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-rw-r--r--arch/Kconfig3
-rw-r--r--arch/alpha/Kconfig1
-rw-r--r--arch/alpha/kernel/core_marvel.c6
-rw-r--r--arch/alpha/kernel/irq.c5
-rw-r--r--arch/alpha/kernel/process.c2
-rw-r--r--arch/alpha/kernel/smp.c180
-rw-r--r--arch/alpha/oprofile/common.c6
-rw-r--r--arch/arm/Kconfig91
-rw-r--r--arch/arm/Makefile8
-rw-r--r--arch/arm/boot/compressed/Makefile6
-rw-r--r--arch/arm/boot/compressed/head.S4
-rw-r--r--arch/arm/common/Makefile1
-rw-r--r--arch/arm/common/rtctime.c434
-rw-r--r--arch/arm/common/sharpsl_pm.c3
-rw-r--r--arch/arm/configs/at91cap9adk_defconfig82
-rw-r--r--arch/arm/configs/at91rm9200dk_defconfig1
-rw-r--r--arch/arm/configs/at91rm9200ek_defconfig1
-rw-r--r--arch/arm/configs/at91sam9260ek_defconfig1
-rw-r--r--arch/arm/configs/at91sam9261ek_defconfig1
-rw-r--r--arch/arm/configs/at91sam9263ek_defconfig1
-rw-r--r--arch/arm/configs/at91sam9g20ek_defconfig (renamed from arch/arm/configs/em_x270_defconfig)647
-rw-r--r--arch/arm/configs/at91sam9rlek_defconfig1
-rw-r--r--arch/arm/configs/ateb9200_defconfig1
-rw-r--r--arch/arm/configs/collie_defconfig1
-rw-r--r--arch/arm/configs/corgi_defconfig1
-rw-r--r--arch/arm/configs/ecbat91_defconfig1
-rw-r--r--arch/arm/configs/ep93xx_defconfig1
-rw-r--r--arch/arm/configs/eseries_pxa_defconfig1
-rw-r--r--arch/arm/configs/imx27ads_defconfig826
-rw-r--r--arch/arm/configs/iop13xx_defconfig1
-rw-r--r--arch/arm/configs/iop32x_defconfig1
-rw-r--r--arch/arm/configs/iop33x_defconfig1
-rw-r--r--arch/arm/configs/ixp2000_defconfig1
-rw-r--r--arch/arm/configs/ixp23xx_defconfig1
-rw-r--r--arch/arm/configs/ixp4xx_defconfig9
-rw-r--r--arch/arm/configs/kafa_defconfig1
-rw-r--r--arch/arm/configs/kb9202_defconfig1
-rw-r--r--arch/arm/configs/kirkwood_defconfig1426
-rw-r--r--arch/arm/configs/ks8695_defconfig1
-rw-r--r--arch/arm/configs/loki_defconfig1147
-rw-r--r--arch/arm/configs/lpd270_defconfig1
-rw-r--r--arch/arm/configs/lpd7a404_defconfig1
-rw-r--r--arch/arm/configs/mv78xx0_defconfig1445
-rw-r--r--arch/arm/configs/mx31ads_defconfig839
-rw-r--r--arch/arm/configs/mx31litekit_defconfig1100
-rw-r--r--arch/arm/configs/netx_defconfig1
-rw-r--r--arch/arm/configs/onearm_defconfig1
-rw-r--r--arch/arm/configs/orion5x_defconfig319
-rw-r--r--arch/arm/configs/pcm037_defconfig748
-rw-r--r--arch/arm/configs/pcm038_defconfig1008
-rw-r--r--arch/arm/configs/picotux200_defconfig1
-rw-r--r--arch/arm/configs/pnx4008_defconfig1
-rw-r--r--arch/arm/configs/qil-a9260_defconfig1256
-rw-r--r--arch/arm/configs/realview-smp_defconfig1
-rw-r--r--arch/arm/configs/realview_defconfig1
-rw-r--r--arch/arm/configs/rpc_defconfig1
-rw-r--r--arch/arm/configs/s3c2410_defconfig1043
-rw-r--r--arch/arm/configs/sam9_l9260_defconfig1
-rw-r--r--arch/arm/configs/spitz_defconfig1
-rw-r--r--arch/arm/configs/tct_hammer_defconfig1
-rw-r--r--arch/arm/configs/trizeps4_defconfig1
-rw-r--r--arch/arm/configs/usb-a9260_defconfig1142
-rw-r--r--arch/arm/configs/usb-a9263_defconfig1134
-rw-r--r--arch/arm/configs/versatile_defconfig1
-rw-r--r--arch/arm/configs/xm_x270_defconfig (renamed from arch/arm/configs/cm_x270_defconfig)861
-rw-r--r--arch/arm/kernel/Makefile5
-rw-r--r--arch/arm/kernel/armksyms.c5
-rw-r--r--arch/arm/kernel/atags.c83
-rw-r--r--arch/arm/kernel/ecard.c13
-rw-r--r--arch/arm/kernel/ecard.h13
-rw-r--r--arch/arm/kernel/entry-common.S51
-rw-r--r--arch/arm/kernel/ftrace.c116
-rw-r--r--arch/arm/kernel/kprobes.c2
-rw-r--r--arch/arm/kernel/process.c4
-rw-r--r--arch/arm/kernel/smp.c163
-rw-r--r--arch/arm/kernel/stacktrace.c35
-rw-r--r--arch/arm/kernel/time.c120
-rw-r--r--arch/arm/lib/copy_template.S12
-rw-r--r--arch/arm/lib/memmove.S14
-rw-r--r--arch/arm/lib/memset.S46
-rw-r--r--arch/arm/lib/memzero.S44
-rw-r--r--arch/arm/mach-at91/Kconfig56
-rw-r--r--arch/arm/mach-at91/Makefile8
-rw-r--r--arch/arm/mach-at91/at91cap9_devices.c99
-rw-r--r--arch/arm/mach-at91/at91sam9260.c16
-rw-r--r--arch/arm/mach-at91/at91sam9260_devices.c44
-rw-r--r--arch/arm/mach-at91/at91sam9261_devices.c12
-rw-r--r--arch/arm/mach-at91/at91sam9263_devices.c4
-rw-r--r--arch/arm/mach-at91/at91sam9rl_devices.c107
-rw-r--r--arch/arm/mach-at91/board-cap9adk.c9
-rw-r--r--arch/arm/mach-at91/board-carmeva.c23
-rw-r--r--arch/arm/mach-at91/board-csb637.c4
-rw-r--r--arch/arm/mach-at91/board-dk.c25
-rw-r--r--arch/arm/mach-at91/board-eb9200.c26
-rw-r--r--arch/arm/mach-at91/board-ek.c25
-rw-r--r--arch/arm/mach-at91/board-kb9202.c29
-rw-r--r--arch/arm/mach-at91/board-qil-a9260.c255
-rw-r--r--arch/arm/mach-at91/board-sam9g20ek.c218
-rw-r--r--arch/arm/mach-at91/board-sam9rlek.c10
-rw-r--r--arch/arm/mach-at91/board-usb-a9260.c215
-rw-r--r--arch/arm/mach-at91/board-usb-a9263.c230
-rwxr-xr-xarch/arm/mach-at91/board-yl-9200.c853
-rw-r--r--arch/arm/mach-at91/clock.c64
-rw-r--r--arch/arm/mach-at91/pm.c2
-rw-r--r--arch/arm/mach-ep93xx/clock.c5
-rw-r--r--arch/arm/mach-footbridge/Makefile2
-rw-r--r--arch/arm/mach-footbridge/co285.c39
-rw-r--r--arch/arm/mach-footbridge/common.c21
-rw-r--r--arch/arm/mach-footbridge/ebsa285-leds.c2
-rw-r--r--arch/arm/mach-footbridge/time.c3
-rw-r--r--arch/arm/mach-imx/Makefile2
-rw-r--r--arch/arm/mach-imx/clock.c205
-rw-r--r--arch/arm/mach-imx/cpufreq.c20
-rw-r--r--arch/arm/mach-imx/dma.c13
-rw-r--r--arch/arm/mach-imx/generic.c76
-rw-r--r--arch/arm/mach-imx/mx1ads.c10
-rw-r--r--arch/arm/mach-imx/time.c23
-rw-r--r--arch/arm/mach-integrator/Makefile2
-rw-r--r--arch/arm/mach-integrator/time.c223
-rw-r--r--arch/arm/mach-ixp4xx/Kconfig9
-rw-r--r--arch/arm/mach-ixp4xx/Makefile2
-rw-r--r--arch/arm/mach-ixp4xx/common.c4
-rw-r--r--arch/arm/mach-ixp4xx/fsg-pci.c71
-rw-r--r--arch/arm/mach-ixp4xx/fsg-setup.c276
-rw-r--r--arch/arm/mach-kirkwood/Kconfig25
-rw-r--r--arch/arm/mach-kirkwood/Makefile5
-rw-r--r--arch/arm/mach-kirkwood/Makefile.boot3
-rw-r--r--arch/arm/mach-kirkwood/addr-map.c139
-rw-r--r--arch/arm/mach-kirkwood/common.c331
-rw-r--r--arch/arm/mach-kirkwood/common.h42
-rw-r--r--arch/arm/mach-kirkwood/db88f6281-bp-setup.c68
-rw-r--r--arch/arm/mach-kirkwood/irq.c22
-rw-r--r--arch/arm/mach-kirkwood/pcie.c180
-rw-r--r--arch/arm/mach-kirkwood/rd88f6192-nas-setup.c69
-rw-r--r--arch/arm/mach-kirkwood/rd88f6281-setup.c113
-rw-r--r--arch/arm/mach-loki/Kconfig13
-rw-r--r--arch/arm/mach-loki/Makefile3
-rw-r--r--arch/arm/mach-loki/Makefile.boot3
-rw-r--r--arch/arm/mach-loki/addr-map.c121
-rw-r--r--arch/arm/mach-loki/common.c305
-rw-r--r--arch/arm/mach-loki/common.h36
-rw-r--r--arch/arm/mach-loki/irq.c21
-rw-r--r--arch/arm/mach-loki/lb88rc8480-setup.c100
-rw-r--r--arch/arm/mach-mv78xx0/Kconfig13
-rw-r--r--arch/arm/mach-mv78xx0/Makefile2
-rw-r--r--arch/arm/mach-mv78xx0/Makefile.boot3
-rw-r--r--arch/arm/mach-mv78xx0/addr-map.c156
-rw-r--r--arch/arm/mach-mv78xx0/common.c754
-rw-r--r--arch/arm/mach-mv78xx0/common.h49
-rw-r--r--arch/arm/mach-mv78xx0/db78x00-bp-setup.c94
-rw-r--r--arch/arm/mach-mv78xx0/irq.c22
-rw-r--r--arch/arm/mach-mv78xx0/pcie.c312
-rw-r--r--arch/arm/mach-mx2/Kconfig39
-rw-r--r--arch/arm/mach-mx2/Makefile14
-rw-r--r--arch/arm/mach-mx2/Makefile.boot3
-rw-r--r--arch/arm/mach-mx2/clock_imx27.c1626
-rw-r--r--arch/arm/mach-mx2/cpu_imx27.c63
-rw-r--r--arch/arm/mach-mx2/crm_regs.h273
-rw-r--r--arch/arm/mach-mx2/devices.c231
-rw-r--r--arch/arm/mach-mx2/generic.c74
-rw-r--r--arch/arm/mach-mx2/mx27ads.c304
-rw-r--r--arch/arm/mach-mx2/pcm038.c204
-rw-r--r--arch/arm/mach-mx2/pcm970-baseboard.c32
-rw-r--r--arch/arm/mach-mx2/serial.c177
-rw-r--r--arch/arm/mach-mx2/system.c63
-rw-r--r--arch/arm/mach-mx3/Kconfig13
-rw-r--r--arch/arm/mach-mx3/Makefile4
-rw-r--r--arch/arm/mach-mx3/clock.c1147
-rw-r--r--arch/arm/mach-mx3/crm_regs.h401
-rw-r--r--arch/arm/mach-mx3/devices.c180
-rw-r--r--arch/arm/mach-mx3/iomux.c111
-rw-r--r--arch/arm/mach-mx3/mx31ads.c14
-rw-r--r--arch/arm/mach-mx3/mx31lite.c107
-rw-r--r--arch/arm/mach-mx3/pcm037.c130
-rw-r--r--arch/arm/mach-mx3/time.c148
-rw-r--r--arch/arm/mach-omap1/Makefile4
-rw-r--r--arch/arm/mach-omap1/board-nokia770.c17
-rw-r--r--arch/arm/mach-omap1/board-osk.c18
-rw-r--r--arch/arm/mach-omap1/fpga.c10
-rw-r--r--arch/arm/mach-omap1/mcbsp.c280
-rw-r--r--arch/arm/mach-omap1/pm.c7
-rw-r--r--arch/arm/mach-omap1/sram.S (renamed from arch/arm/plat-omap/sram-fn.S)6
-rw-r--r--arch/arm/mach-omap2/Makefile8
-rw-r--r--arch/arm/mach-omap2/clock.c201
-rw-r--r--arch/arm/mach-omap2/clock.h6
-rw-r--r--arch/arm/mach-omap2/clock24xx.c12
-rw-r--r--arch/arm/mach-omap2/clock24xx.h47
-rw-r--r--arch/arm/mach-omap2/clock34xx.c299
-rw-r--r--arch/arm/mach-omap2/clock34xx.h147
-rw-r--r--arch/arm/mach-omap2/cm-regbits-34xx.h18
-rw-r--r--arch/arm/mach-omap2/cm.h15
-rw-r--r--arch/arm/mach-omap2/control.c24
-rw-r--r--arch/arm/mach-omap2/id.c195
-rw-r--r--arch/arm/mach-omap2/mcbsp.c208
-rw-r--r--arch/arm/mach-omap2/memory.c11
-rw-r--r--arch/arm/mach-omap2/mux.c2
-rw-r--r--arch/arm/mach-omap2/pm.c7
-rw-r--r--arch/arm/mach-omap2/prcm-common.h1
-rw-r--r--arch/arm/mach-omap2/prcm.c98
-rw-r--r--arch/arm/mach-omap2/prm.h30
-rw-r--r--arch/arm/mach-omap2/sdrc.h10
-rw-r--r--arch/arm/mach-omap2/sram242x.S (renamed from arch/arm/mach-omap2/sram-fn.S)105
-rw-r--r--arch/arm/mach-omap2/sram243x.S321
-rw-r--r--arch/arm/mach-omap2/timer-gp.c9
-rw-r--r--arch/arm/mach-orion5x/Kconfig48
-rw-r--r--arch/arm/mach-orion5x/Makefile12
-rw-r--r--arch/arm/mach-orion5x/addr-map.c45
-rw-r--r--arch/arm/mach-orion5x/common.c307
-rw-r--r--arch/arm/mach-orion5x/common.h38
-rw-r--r--arch/arm/mach-orion5x/db88f5281-setup.c82
-rw-r--r--arch/arm/mach-orion5x/dns323-setup.c125
-rw-r--r--arch/arm/mach-orion5x/gpio.c47
-rw-r--r--arch/arm/mach-orion5x/irq.c18
-rw-r--r--arch/arm/mach-orion5x/kurobox_pro-setup.c224
-rw-r--r--arch/arm/mach-orion5x/mpp.c163
-rw-r--r--arch/arm/mach-orion5x/mpp.h74
-rw-r--r--arch/arm/mach-orion5x/mss2-setup.c270
-rw-r--r--arch/arm/mach-orion5x/mv2120-setup.c239
-rw-r--r--arch/arm/mach-orion5x/pci.c86
-rw-r--r--arch/arm/mach-orion5x/rd88f5181l-fxo-setup.c161
-rw-r--r--arch/arm/mach-orion5x/rd88f5181l-ge-setup.c172
-rw-r--r--arch/arm/mach-orion5x/rd88f5182-setup.c79
-rw-r--r--arch/arm/mach-orion5x/ts209-setup.c299
-rw-r--r--arch/arm/mach-orion5x/ts409-setup.c273
-rw-r--r--arch/arm/mach-orion5x/ts78xx-setup.c277
-rw-r--r--arch/arm/mach-orion5x/tsx09-common.c133
-rw-r--r--arch/arm/mach-orion5x/tsx09-common.h20
-rw-r--r--arch/arm/mach-orion5x/wnr854t-setup.c164
-rw-r--r--arch/arm/mach-orion5x/wrt350n-v2-setup.c173
-rw-r--r--arch/arm/mach-pxa/Kconfig59
-rw-r--r--arch/arm/mach-pxa/Makefile5
-rw-r--r--arch/arm/mach-pxa/clock.c5
-rw-r--r--arch/arm/mach-pxa/clock.h12
-rw-r--r--arch/arm/mach-pxa/cm-x270-pci.c26
-rw-r--r--arch/arm/mach-pxa/cm-x270.c9
-rw-r--r--arch/arm/mach-pxa/corgi.c1
-rw-r--r--arch/arm/mach-pxa/corgi_pm.c7
-rw-r--r--arch/arm/mach-pxa/devices.c116
-rw-r--r--arch/arm/mach-pxa/devices.h9
-rw-r--r--arch/arm/mach-pxa/em-x270.c10
-rw-r--r--arch/arm/mach-pxa/generic.c17
-rw-r--r--arch/arm/mach-pxa/irq.c1
-rw-r--r--arch/arm/mach-pxa/lpd270.c55
-rw-r--r--arch/arm/mach-pxa/lubbock.c8
-rw-r--r--arch/arm/mach-pxa/magician.c69
-rw-r--r--arch/arm/mach-pxa/mainstone.c71
-rw-r--r--arch/arm/mach-pxa/mfp-pxa2xx.c1
-rw-r--r--arch/arm/mach-pxa/pcm990-baseboard.c131
-rw-r--r--arch/arm/mach-pxa/poodle.c1
-rw-r--r--arch/arm/mach-pxa/pwm.c319
-rw-r--r--arch/arm/mach-pxa/pxa25x.c19
-rw-r--r--arch/arm/mach-pxa/pxa27x.c12
-rw-r--r--arch/arm/mach-pxa/pxa2xx.c46
-rw-r--r--arch/arm/mach-pxa/pxa3xx.c8
-rw-r--r--arch/arm/mach-pxa/spitz_pm.c7
-rw-r--r--arch/arm/mach-pxa/standby.S83
-rw-r--r--arch/arm/mach-pxa/trizeps4.c12
-rw-r--r--arch/arm/mach-pxa/zylonite.c28
-rw-r--r--arch/arm/mach-pxa/zylonite_pxa300.c4
-rw-r--r--arch/arm/mach-pxa/zylonite_pxa320.c2
-rw-r--r--arch/arm/mach-s3c2410/Kconfig21
-rw-r--r--arch/arm/mach-s3c2410/Makefile8
-rw-r--r--arch/arm/mach-s3c2410/bast-ide.c112
-rw-r--r--arch/arm/mach-s3c2410/mach-bast.c59
-rw-r--r--arch/arm/mach-s3c2410/mach-n30.c474
-rw-r--r--arch/arm/mach-s3c2410/mach-vr1000.c72
-rw-r--r--arch/arm/mach-s3c2410/nor-simtec.c86
-rw-r--r--arch/arm/mach-s3c2410/nor-simtec.h14
-rw-r--r--arch/arm/mach-s3c2412/Kconfig10
-rw-r--r--arch/arm/mach-s3c2412/Makefile1
-rw-r--r--arch/arm/mach-s3c2412/clock.c13
-rw-r--r--arch/arm/mach-s3c2412/mach-jive.c687
-rw-r--r--arch/arm/mach-s3c2440/Kconfig6
-rw-r--r--arch/arm/mach-s3c2440/Makefile1
-rw-r--r--arch/arm/mach-s3c2440/mach-anubis.c41
-rw-r--r--arch/arm/mach-s3c2440/mach-at2440evb.c198
-rw-r--r--arch/arm/mach-s3c2440/mach-osiris.c15
-rw-r--r--arch/arm/mach-s3c2443/clock.c91
-rw-r--r--arch/arm/mm/Kconfig34
-rw-r--r--arch/arm/mm/Makefile2
-rw-r--r--arch/arm/mm/cache-feroceon-l2.c318
-rw-r--r--arch/arm/mm/fault-armv.c4
-rw-r--r--arch/arm/mm/flush.c2
-rw-r--r--arch/arm/mm/proc-feroceon.S242
-rw-r--r--arch/arm/oprofile/op_model_mpcore.c2
-rw-r--r--arch/arm/plat-iop/gpio.c43
-rw-r--r--arch/arm/plat-mxc/Kconfig8
-rw-r--r--arch/arm/plat-mxc/Makefile4
-rw-r--r--arch/arm/plat-mxc/clock.c331
-rw-r--r--arch/arm/plat-mxc/gpio.c253
-rw-r--r--arch/arm/plat-mxc/iomux-mx1-mx2.c156
-rw-r--r--arch/arm/plat-mxc/irq.c70
-rw-r--r--arch/arm/plat-mxc/time.c228
-rw-r--r--arch/arm/plat-omap/Makefile2
-rw-r--r--arch/arm/plat-omap/clock.c128
-rw-r--r--arch/arm/plat-omap/common.c59
-rw-r--r--arch/arm/plat-omap/devices.c48
-rw-r--r--arch/arm/plat-omap/dma.c764
-rw-r--r--arch/arm/plat-omap/dmtimer.c212
-rw-r--r--arch/arm/plat-omap/mcbsp.c767
-rw-r--r--arch/arm/plat-omap/sram.c211
-rw-r--r--arch/arm/plat-omap/usb.c131
-rw-r--r--arch/arm/plat-orion/irq.c3
-rw-r--r--arch/arm/plat-orion/pcie.c6
-rw-r--r--arch/arm/plat-orion/time.c6
-rw-r--r--arch/arm/plat-s3c24xx/Kconfig8
-rw-r--r--arch/arm/plat-s3c24xx/Makefile3
-rw-r--r--arch/arm/plat-s3c24xx/devs.c100
-rw-r--r--arch/arm/plat-s3c24xx/gpiolib.c259
-rw-r--r--arch/arm/plat-s3c24xx/pwm-clock.c437
-rw-r--r--arch/arm/plat-s3c24xx/pwm.c402
-rw-r--r--arch/arm/tools/mach-types126
-rw-r--r--arch/arm/vfp/vfpmodule.c2
-rw-r--r--arch/avr32/Kconfig9
-rw-r--r--arch/avr32/boards/atngw100/setup.c29
-rw-r--r--arch/avr32/boards/atstk1000/atstk1002.c8
-rw-r--r--arch/avr32/boards/atstk1000/atstk1003.c7
-rw-r--r--arch/avr32/boards/atstk1000/atstk1004.c9
-rw-r--r--arch/avr32/kernel/entry-avr32b.S88
-rw-r--r--arch/avr32/kernel/signal.c3
-rw-r--r--arch/avr32/kernel/stacktrace.c1
-rw-r--r--arch/avr32/kernel/time.c14
-rw-r--r--arch/avr32/kernel/vmlinux.lds.S14
-rw-r--r--arch/avr32/lib/io-readsb.S2
-rw-r--r--arch/avr32/mach-at32ap/Makefile7
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-rw-r--r--arch/x86/pci/i386.c8
-rw-r--r--arch/x86/pci/init.c4
-rw-r--r--arch/x86/pci/irq.c266
-rw-r--r--arch/x86/pci/legacy.c16
-rw-r--r--arch/x86/pci/mmconfig-shared.c2
-rw-r--r--arch/x86/pci/mp_bus_to_node.c23
-rw-r--r--arch/x86/pci/numa.c33
-rw-r--r--arch/x86/pci/pci.h13
-rw-r--r--arch/x86/pci/visws.c28
-rw-r--r--arch/x86/power/hibernate_64.c2
-rw-r--r--arch/x86/vdso/vclock_gettime.c15
-rw-r--r--arch/x86/vdso/vdso32-setup.c11
-rw-r--r--arch/x86/vdso/vgetcpu.c3
-rw-r--r--arch/x86/vdso/vma.c2
-rw-r--r--arch/x86/xen/Kconfig10
-rw-r--r--arch/x86/xen/Makefile2
-rw-r--r--arch/x86/xen/enlighten.c180
-rw-r--r--arch/x86/xen/manage.c143
-rw-r--r--arch/x86/xen/mmu.c272
-rw-r--r--arch/x86/xen/mmu.h12
-rw-r--r--arch/x86/xen/multicalls.c40
-rw-r--r--arch/x86/xen/multicalls.h12
-rw-r--r--arch/x86/xen/setup.c30
-rw-r--r--arch/x86/xen/smp.c143
-rw-r--r--arch/x86/xen/suspend.c45
-rw-r--r--arch/x86/xen/time.c17
-rw-r--r--arch/x86/xen/xen-head.S5
-rw-r--r--arch/x86/xen/xen-ops.h20
698 files changed, 60939 insertions, 21614 deletions
diff --git a/arch/Kconfig b/arch/Kconfig
index 3ea332b009e..ad89a33d8c6 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -39,3 +39,6 @@ config HAVE_KRETPROBES
config HAVE_DMA_ATTRS
def_bool n
+
+config USE_GENERIC_SMP_HELPERS
+ def_bool n
diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig
index 729cdbdf803..dbe8c280fea 100644
--- a/arch/alpha/Kconfig
+++ b/arch/alpha/Kconfig
@@ -528,6 +528,7 @@ config ARCH_MAY_HAVE_PC_FDC
config SMP
bool "Symmetric multi-processing support"
depends on ALPHA_SABLE || ALPHA_LYNX || ALPHA_RAWHIDE || ALPHA_DP264 || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_GENERIC || ALPHA_SHARK || ALPHA_MARVEL
+ select USE_GENERIC_SMP_HELPERS
---help---
This enables support for systems with more than one CPU. If you have
a system with only one CPU, like most personal computers, say N. If
diff --git a/arch/alpha/kernel/core_marvel.c b/arch/alpha/kernel/core_marvel.c
index b04f1feb1dd..04dcc5e5d4c 100644
--- a/arch/alpha/kernel/core_marvel.c
+++ b/arch/alpha/kernel/core_marvel.c
@@ -660,9 +660,9 @@ __marvel_rtc_io(u8 b, unsigned long addr, int write)
#ifdef CONFIG_SMP
if (smp_processor_id() != boot_cpuid)
- smp_call_function_on_cpu(__marvel_access_rtc,
- &rtc_access, 1, 1,
- cpumask_of_cpu(boot_cpuid));
+ smp_call_function_single(boot_cpuid,
+ __marvel_access_rtc,
+ &rtc_access, 1);
else
__marvel_access_rtc(&rtc_access);
#else
diff --git a/arch/alpha/kernel/irq.c b/arch/alpha/kernel/irq.c
index facf82a5499..c626a821cdc 100644
--- a/arch/alpha/kernel/irq.c
+++ b/arch/alpha/kernel/irq.c
@@ -42,8 +42,7 @@ void ack_bad_irq(unsigned int irq)
#ifdef CONFIG_SMP
static char irq_user_affinity[NR_IRQS];
-int
-select_smp_affinity(unsigned int irq)
+int irq_select_affinity(unsigned int irq)
{
static int last_cpu;
int cpu = last_cpu + 1;
@@ -51,7 +50,7 @@ select_smp_affinity(unsigned int irq)
if (!irq_desc[irq].chip->set_affinity || irq_user_affinity[irq])
return 1;
- while (!cpu_possible(cpu))
+ while (!cpu_possible(cpu) || !cpu_isset(cpu, irq_default_affinity))
cpu = (cpu < (NR_CPUS-1) ? cpu + 1 : 0);
last_cpu = cpu;
diff --git a/arch/alpha/kernel/process.c b/arch/alpha/kernel/process.c
index 96ed82fd9ee..351407e07e7 100644
--- a/arch/alpha/kernel/process.c
+++ b/arch/alpha/kernel/process.c
@@ -160,7 +160,7 @@ common_shutdown(int mode, char *restart_cmd)
struct halt_info args;
args.mode = mode;
args.restart_cmd = restart_cmd;
- on_each_cpu(common_shutdown_1, &args, 1, 0);
+ on_each_cpu(common_shutdown_1, &args, 0);
}
void
diff --git a/arch/alpha/kernel/smp.c b/arch/alpha/kernel/smp.c
index 2525692db0a..83df541650f 100644
--- a/arch/alpha/kernel/smp.c
+++ b/arch/alpha/kernel/smp.c
@@ -62,6 +62,7 @@ static struct {
enum ipi_message_type {
IPI_RESCHEDULE,
IPI_CALL_FUNC,
+ IPI_CALL_FUNC_SINGLE,
IPI_CPU_STOP,
};
@@ -558,51 +559,6 @@ send_ipi_message(cpumask_t to_whom, enum ipi_message_type operation)
wripir(i);
}
-/* Structure and data for smp_call_function. This is designed to
- minimize static memory requirements. Plus it looks cleaner. */
-
-struct smp_call_struct {
- void (*func) (void *info);
- void *info;
- long wait;
- atomic_t unstarted_count;
- atomic_t unfinished_count;
-};
-
-static struct smp_call_struct *smp_call_function_data;
-
-/* Atomicly drop data into a shared pointer. The pointer is free if
- it is initially locked. If retry, spin until free. */
-
-static int
-pointer_lock (void *lock, void *data, int retry)
-{
- void *old, *tmp;
-
- mb();
- again:
- /* Compare and swap with zero. */
- asm volatile (
- "1: ldq_l %0,%1\n"
- " mov %3,%2\n"
- " bne %0,2f\n"
- " stq_c %2,%1\n"
- " beq %2,1b\n"
- "2:"
- : "=&r"(old), "=m"(*(void **)lock), "=&r"(tmp)
- : "r"(data)
- : "memory");
-
- if (old == 0)
- return 0;
- if (! retry)
- return -EBUSY;
-
- while (*(void **)lock)
- barrier();
- goto again;
-}
-
void
handle_ipi(struct pt_regs *regs)
{
@@ -632,31 +588,12 @@ handle_ipi(struct pt_regs *regs)
break;
case IPI_CALL_FUNC:
- {
- struct smp_call_struct *data;
- void (*func)(void *info);
- void *info;
- int wait;
-
- data = smp_call_function_data;
- func = data->func;
- info = data->info;
- wait = data->wait;
-
- /* Notify the sending CPU that the data has been
- received, and execution is about to begin. */
- mb();
- atomic_dec (&data->unstarted_count);
-
- /* At this point the structure may be gone unless
- wait is true. */
- (*func)(info);
-
- /* Notify the sending CPU that the task is done. */
- mb();
- if (wait) atomic_dec (&data->unfinished_count);
+ generic_smp_call_function_interrupt();
+ break;
+
+ case IPI_CALL_FUNC_SINGLE:
+ generic_smp_call_function_single_interrupt();
break;
- }
case IPI_CPU_STOP:
halt();
@@ -700,102 +637,15 @@ smp_send_stop(void)
send_ipi_message(to_whom, IPI_CPU_STOP);
}
-/*
- * Run a function on all other CPUs.
- * <func> The function to run. This must be fast and non-blocking.
- * <info> An arbitrary pointer to pass to the function.
- * <retry> If true, keep retrying until ready.
- * <wait> If true, wait until function has completed on other CPUs.
- * [RETURNS] 0 on success, else a negative status code.
- *
- * Does not return until remote CPUs are nearly ready to execute <func>
- * or are or have executed.
- * You must not call this function with disabled interrupts or from a
- * hardware interrupt handler or from a bottom half handler.
- */
-
-int
-smp_call_function_on_cpu (void (*func) (void *info), void *info, int retry,
- int wait, cpumask_t to_whom)
+void arch_send_call_function_ipi(cpumask_t mask)
{
- struct smp_call_struct data;
- unsigned long timeout;
- int num_cpus_to_call;
-
- /* Can deadlock when called with interrupts disabled */
- WARN_ON(irqs_disabled());
-
- data.func = func;
- data.info = info;
- data.wait = wait;
-
- cpu_clear(smp_processor_id(), to_whom);
- num_cpus_to_call = cpus_weight(to_whom);
-
- atomic_set(&data.unstarted_count, num_cpus_to_call);
- atomic_set(&data.unfinished_count, num_cpus_to_call);
-
- /* Acquire the smp_call_function_data mutex. */
- if (pointer_lock(&smp_call_function_data, &data, retry))
- return -EBUSY;
-
- /* Send a message to the requested CPUs. */
- send_ipi_message(to_whom, IPI_CALL_FUNC);
-
- /* Wait for a minimal response. */
- timeout = jiffies + HZ;
- while (atomic_read (&data.unstarted_count) > 0
- && time_before (jiffies, timeout))
- barrier();
-
- /* If there's no response yet, log a message but allow a longer
- * timeout period -- if we get a response this time, log
- * a message saying when we got it..
- */
- if (atomic_read(&data.unstarted_count) > 0) {
- long start_time = jiffies;
- printk(KERN_ERR "%s: initial timeout -- trying long wait\n",
- __func__);
- timeout = jiffies + 30 * HZ;
- while (atomic_read(&data.unstarted_count) > 0
- && time_before(jiffies, timeout))
- barrier();
- if (atomic_read(&data.unstarted_count) <= 0) {
- long delta = jiffies - start_time;
- printk(KERN_ERR
- "%s: response %ld.%ld seconds into long wait\n",
- __func__, delta / HZ,
- (100 * (delta - ((delta / HZ) * HZ))) / HZ);
- }
- }
-
- /* We either got one or timed out -- clear the lock. */
- mb();
- smp_call_function_data = NULL;
-
- /*
- * If after both the initial and long timeout periods we still don't
- * have a response, something is very wrong...
- */
- BUG_ON(atomic_read (&data.unstarted_count) > 0);
-
- /* Wait for a complete response, if needed. */
- if (wait) {
- while (atomic_read (&data.unfinished_count) > 0)
- barrier();
- }
-
- return 0;
+ send_ipi_message(mask, IPI_CALL_FUNC);
}
-EXPORT_SYMBOL(smp_call_function_on_cpu);
-int
-smp_call_function (void (*func) (void *info), void *info, int retry, int wait)
+void arch_send_call_function_single_ipi(int cpu)
{
- return smp_call_function_on_cpu (func, info, retry, wait,
- cpu_online_map);
+ send_ipi_message(cpumask_of_cpu(cpu), IPI_CALL_FUNC_SINGLE);
}
-EXPORT_SYMBOL(smp_call_function);
static void
ipi_imb(void *ignored)
@@ -807,7 +657,7 @@ void
smp_imb(void)
{
/* Must wait other processors to flush their icache before continue. */
- if (on_each_cpu(ipi_imb, NULL, 1, 1))
+ if (on_each_cpu(ipi_imb, NULL, 1))
printk(KERN_CRIT "smp_imb: timed out\n");
}
EXPORT_SYMBOL(smp_imb);
@@ -823,7 +673,7 @@ flush_tlb_all(void)
{
/* Although we don't have any data to pass, we do want to
synchronize with the other processors. */
- if (on_each_cpu(ipi_flush_tlb_all, NULL, 1, 1)) {
+ if (on_each_cpu(ipi_flush_tlb_all, NULL, 1)) {
printk(KERN_CRIT "flush_tlb_all: timed out\n");
}
}
@@ -860,7 +710,7 @@ flush_tlb_mm(struct mm_struct *mm)
}
}
- if (smp_call_function(ipi_flush_tlb_mm, mm, 1, 1)) {
+ if (smp_call_function(ipi_flush_tlb_mm, mm, 1)) {
printk(KERN_CRIT "flush_tlb_mm: timed out\n");
}
@@ -913,7 +763,7 @@ flush_tlb_page(struct vm_area_struct *vma, unsigned long addr)
data.mm = mm;
data.addr = addr;
- if (smp_call_function(ipi_flush_tlb_page, &data, 1, 1)) {
+ if (smp_call_function(ipi_flush_tlb_page, &data, 1)) {
printk(KERN_CRIT "flush_tlb_page: timed out\n");
}
@@ -965,7 +815,7 @@ flush_icache_user_range(struct vm_area_struct *vma, struct page *page,
}
}
- if (smp_call_function(ipi_flush_icache_page, mm, 1, 1)) {
+ if (smp_call_function(ipi_flush_icache_page, mm, 1)) {
printk(KERN_CRIT "flush_icache_page: timed out\n");
}
diff --git a/arch/alpha/oprofile/common.c b/arch/alpha/oprofile/common.c
index 9fc0eeb4f0a..7c3d5ec6ec6 100644
--- a/arch/alpha/oprofile/common.c
+++ b/arch/alpha/oprofile/common.c
@@ -65,7 +65,7 @@ op_axp_setup(void)
model->reg_setup(&reg, ctr, &sys);
/* Configure the registers on all cpus. */
- (void)smp_call_function(model->cpu_setup, &reg, 0, 1);
+ (void)smp_call_function(model->cpu_setup, &reg, 1);
model->cpu_setup(&reg);
return 0;
}
@@ -86,7 +86,7 @@ op_axp_cpu_start(void *dummy)
static int
op_axp_start(void)
{
- (void)smp_call_function(op_axp_cpu_start, NULL, 0, 1);
+ (void)smp_call_function(op_axp_cpu_start, NULL, 1);
op_axp_cpu_start(NULL);
return 0;
}
@@ -101,7 +101,7 @@ op_axp_cpu_stop(void *dummy)
static void
op_axp_stop(void)
{
- (void)smp_call_function(op_axp_cpu_stop, NULL, 0, 1);
+ (void)smp_call_function(op_axp_cpu_stop, NULL, 1);
op_axp_cpu_stop(NULL);
}
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index b786e68914d..c7ad324ddf2 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -14,6 +14,8 @@ config ARM
select HAVE_OPROFILE
select HAVE_KPROBES if (!XIP_KERNEL)
select HAVE_KRETPROBES if (HAVE_KPROBES)
+ select HAVE_FTRACE if (!XIP_KERNEL)
+ select HAVE_DYNAMIC_FTRACE if (HAVE_FTRACE)
help
The ARM series is a line of low-power-consumption RISC chip designs
licensed by ARM Ltd and targeted at embedded applications and
@@ -22,6 +24,9 @@ config ARM
Europe. There is an ARM Linux project with a web page at
<http://www.arm.linux.org.uk/>.
+config HAVE_PWM
+ bool
+
config SYS_SUPPORTS_APM_EMULATION
bool
@@ -84,6 +89,11 @@ config STACKTRACE_SUPPORT
bool
default y
+config HAVE_LATENCYTOP_SUPPORT
+ bool
+ depends on !SMP
+ default y
+
config LOCKDEP_SUPPORT
bool
default y
@@ -147,6 +157,10 @@ config FIQ
config ARCH_MTD_XIP
bool
+config GENERIC_HARDIRQS_NO__DO_IRQ
+ bool
+ def_bool y
+
if OPROFILE
config OPROFILE_ARMV6
@@ -232,13 +246,6 @@ config ARCH_CLPS711X
help
Support for Cirrus Logic 711x/721x based boards.
-config ARCH_CO285
- bool "Co-EBSA285"
- select FOOTBRIDGE
- select FOOTBRIDGE_ADDIN
- help
- Support for Intel's EBSA285 companion chip.
-
config ARCH_EBSA110
bool "EBSA-110"
select ISA
@@ -299,6 +306,8 @@ config ARCH_IOP32X
depends on MMU
select PLAT_IOP
select PCI
+ select GENERIC_GPIO
+ select HAVE_GPIO_LIB
help
Support for Intel's 80219 and IOP32X (XScale) family of
processors.
@@ -308,6 +317,8 @@ config ARCH_IOP33X
depends on MMU
select PLAT_IOP
select PCI
+ select GENERIC_GPIO
+ select HAVE_GPIO_LIB
help
Support for Intel's IOP33X (XScale) family of processors.
@@ -347,6 +358,16 @@ config ARCH_L7200
If you have any questions or comments about the Linux kernel port
to this board, send e-mail to <sjhill@cotw.com>.
+config ARCH_KIRKWOOD
+ bool "Marvell Kirkwood"
+ select PCI
+ select GENERIC_TIME
+ select GENERIC_CLOCKEVENTS
+ select PLAT_ORION
+ help
+ Support for the following Marvell Kirkwood series SoCs:
+ 88F6180, 88F6192 and 88F6281.
+
config ARCH_KS8695
bool "Micrel/Kendin KS8695"
select GENERIC_GPIO
@@ -365,9 +386,31 @@ config ARCH_NS9XXX
<http://www.digi.com/products/microprocessors/index.jsp>
+config ARCH_LOKI
+ bool "Marvell Loki (88RC8480)"
+ select GENERIC_TIME
+ select GENERIC_CLOCKEVENTS
+ select PLAT_ORION
+ help
+ Support for the Marvell Loki (88RC8480) SoC.
+
+config ARCH_MV78XX0
+ bool "Marvell MV78xx0"
+ select PCI
+ select GENERIC_TIME
+ select GENERIC_CLOCKEVENTS
+ select PLAT_ORION
+ help
+ Support for the following Marvell MV78xx0 series SoCs:
+ MV781x0, MV782x0.
+
config ARCH_MXC
bool "Freescale MXC/iMX-based"
+ select GENERIC_TIME
+ select GENERIC_CLOCKEVENTS
select ARCH_MTD_XIP
+ select GENERIC_GPIO
+ select HAVE_GPIO_LIB
help
Support for Freescale MXC/iMX-based family of processors
@@ -381,7 +424,8 @@ config ARCH_ORION5X
select PLAT_ORION
help
Support for the following Marvell Orion 5x series SoCs:
- Orion-1 (5181), Orion-NAS (5182), Orion-2 (5281.)
+ Orion-1 (5181), Orion-VoIP (5181L), Orion-NAS (5182),
+ Orion-2 (5281).
config ARCH_PNX4008
bool "Philips Nexperia PNX4008 Mobile"
@@ -406,6 +450,7 @@ config ARCH_RPC
select FIQ
select TIMER_ACORN
select ARCH_MAY_HAVE_PC_FDC
+ select HAVE_PATA_PLATFORM
select ISA_DMA_API
select NO_IOPORT
help
@@ -502,6 +547,10 @@ source "arch/arm/mach-ixp2000/Kconfig"
source "arch/arm/mach-ixp23xx/Kconfig"
+source "arch/arm/mach-loki/Kconfig"
+
+source "arch/arm/mach-mv78xx0/Kconfig"
+
source "arch/arm/mach-pxa/Kconfig"
source "arch/arm/mach-sa1100/Kconfig"
@@ -514,6 +563,8 @@ source "arch/arm/mach-omap2/Kconfig"
source "arch/arm/mach-orion5x/Kconfig"
+source "arch/arm/mach-kirkwood/Kconfig"
+
source "arch/arm/plat-s3c24xx/Kconfig"
source "arch/arm/plat-s3c/Kconfig"
@@ -650,6 +701,7 @@ source "kernel/time/Kconfig"
config SMP
bool "Symmetric Multi-Processing (EXPERIMENTAL)"
depends on EXPERIMENTAL && (REALVIEW_EB_ARM11MP || MACH_REALVIEW_PB11MP)
+ select USE_GENERIC_SMP_HELPERS
help
This enables support for systems with more than one CPU. If you have
a system with only one CPU, like most personal computers, say N. If
@@ -703,27 +755,6 @@ config PREEMPT
Say Y here if you are building a kernel for a desktop, embedded
or real-time system. Say N if you are unsure.
-config NO_IDLE_HZ
- bool "Dynamic tick timer"
- depends on !GENERIC_CLOCKEVENTS
- help
- Select this option if you want to disable continuous timer ticks
- and have them programmed to occur as required. This option saves
- power as the system can remain in idle state for longer.
-
- By default dynamic tick is disabled during the boot, and can be
- manually enabled with:
-
- echo 1 > /sys/devices/system/timer/timer0/dyn_tick
-
- Alternatively, if you want dynamic tick automatically enabled
- during boot, pass "dyntick=enable" via the kernel command string.
-
- Please note that dynamic tick may affect the accuracy of
- timekeeping on some platforms depending on the implementation.
- Currently at least OMAP, PXA2xx and SA11x0 platforms are known
- to have accurate timekeeping with dynamic tick.
-
config HZ
int
default 128 if ARCH_L7200
@@ -789,7 +820,7 @@ source "mm/Kconfig"
config LEDS
bool "Timer and CPU usage LEDs"
- depends on ARCH_CDB89712 || ARCH_CO285 || ARCH_EBSA110 || \
+ depends on ARCH_CDB89712 || ARCH_EBSA110 || \
ARCH_EBSA285 || ARCH_IMX || ARCH_INTEGRATOR || \
ARCH_LUBBOCK || MACH_MAINSTONE || ARCH_NETWINDER || \
ARCH_OMAP || ARCH_P720T || ARCH_PXA_IDP || \
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index e72db27e0ba..b20995a82e0 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -100,8 +100,6 @@ textofs-y := 0x00008000
incdir-$(CONFIG_ARCH_CLPS7500) := cl7500
machine-$(CONFIG_FOOTBRIDGE) := footbridge
incdir-$(CONFIG_FOOTBRIDGE) := ebsa285
- machine-$(CONFIG_ARCH_CO285) := footbridge
- incdir-$(CONFIG_ARCH_CO285) := ebsa285
machine-$(CONFIG_ARCH_SHARK) := shark
machine-$(CONFIG_ARCH_SA1100) := sa1100
ifeq ($(CONFIG_ARCH_SA1100),y)
@@ -135,11 +133,15 @@ endif
machine-$(CONFIG_ARCH_NETX) := netx
machine-$(CONFIG_ARCH_NS9XXX) := ns9xxx
machine-$(CONFIG_ARCH_DAVINCI) := davinci
+ machine-$(CONFIG_ARCH_KIRKWOOD) := kirkwood
machine-$(CONFIG_ARCH_KS8695) := ks8695
incdir-$(CONFIG_ARCH_MXC) := mxc
+ machine-$(CONFIG_ARCH_MX2) := mx2
machine-$(CONFIG_ARCH_MX3) := mx3
machine-$(CONFIG_ARCH_ORION5X) := orion5x
machine-$(CONFIG_ARCH_MSM7X00A) := msm
+ machine-$(CONFIG_ARCH_LOKI) := loki
+ machine-$(CONFIG_ARCH_MV78XX0) := mv78xx0
ifeq ($(CONFIG_ARCH_EBSA110),y)
# This is what happens if you forget the IOCS16 line.
@@ -190,8 +192,6 @@ core-$(CONFIG_PLAT_S3C24XX) += arch/arm/plat-s3c24xx/
core-$(CONFIG_ARCH_MXC) += arch/arm/plat-mxc/
drivers-$(CONFIG_OPROFILE) += arch/arm/oprofile/
-drivers-$(CONFIG_ARCH_CLPS7500) += drivers/acorn/char/
-drivers-$(CONFIG_ARCH_L7200) += drivers/acorn/char/
libs-y := arch/arm/lib/ $(libs-y)
diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile
index de9d9ee5095..95baac4939e 100644
--- a/arch/arm/boot/compressed/Makefile
+++ b/arch/arm/boot/compressed/Makefile
@@ -69,6 +69,12 @@ SEDFLAGS = s/TEXT_START/$(ZTEXTADDR)/;s/BSS_START/$(ZBSSADDR)/
targets := vmlinux vmlinux.lds piggy.gz piggy.o font.o font.c \
head.o misc.o $(OBJS)
+
+ifeq ($(CONFIG_FTRACE),y)
+ORIG_CFLAGS := $(KBUILD_CFLAGS)
+KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS))
+endif
+
EXTRA_CFLAGS := -fpic -fno-builtin
EXTRA_AFLAGS :=
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S
index 3c2c8f2a1dc..de41daeab5e 100644
--- a/arch/arm/boot/compressed/head.S
+++ b/arch/arm/boot/compressed/head.S
@@ -623,8 +623,8 @@ proc_types:
b __armv4_mmu_cache_off
b __armv4_mmu_cache_flush
- .word 0x56055310 @ Feroceon
- .word 0xfffffff0
+ .word 0x56050000 @ Feroceon
+ .word 0xff0f0000
b __armv4_mmu_cache_on
b __armv4_mmu_cache_off
b __armv5tej_mmu_cache_flush
diff --git a/arch/arm/common/Makefile b/arch/arm/common/Makefile
index 3d0b9fa42f8..325e4b6a6af 100644
--- a/arch/arm/common/Makefile
+++ b/arch/arm/common/Makefile
@@ -2,7 +2,6 @@
# Makefile for the linux kernel.
#
-obj-y += rtctime.o
obj-$(CONFIG_ARM_GIC) += gic.o
obj-$(CONFIG_ARM_VIC) += vic.o
obj-$(CONFIG_ICST525) += icst525.o
diff --git a/arch/arm/common/rtctime.c b/arch/arm/common/rtctime.c
deleted file mode 100644
index aa8f7739c82..00000000000
--- a/arch/arm/common/rtctime.c
+++ /dev/null
@@ -1,434 +0,0 @@
-/*
- * linux/arch/arm/common/rtctime.c
- *
- * Copyright (C) 2003 Deep Blue Solutions Ltd.
- * Based on sa1100-rtc.c, Nils Faerber, CIH, Nicolas Pitre.
- * Based on rtc.c by Paul Gortmaker
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/time.h>
-#include <linux/rtc.h>
-#include <linux/poll.h>
-#include <linux/proc_fs.h>
-#include <linux/miscdevice.h>
-#include <linux/spinlock.h>
-#include <linux/capability.h>
-#include <linux/device.h>
-#include <linux/mutex.h>
-
-#include <asm/rtc.h>
-
-static DECLARE_WAIT_QUEUE_HEAD(rtc_wait);
-static struct fasync_struct *rtc_async_queue;
-
-/*
- * rtc_lock protects rtc_irq_data
- */
-static DEFINE_SPINLOCK(rtc_lock);
-static unsigned long rtc_irq_data;
-
-/*
- * rtc_sem protects rtc_inuse and rtc_ops
- */
-static DEFINE_MUTEX(rtc_mutex);
-static unsigned long rtc_inuse;
-static struct rtc_ops *rtc_ops;
-
-#define rtc_epoch 1900UL
-
-/*
- * Calculate the next alarm time given the requested alarm time mask
- * and the current time.
- */
-void rtc_next_alarm_time(struct rtc_time *next, struct rtc_time *now, struct rtc_time *alrm)
-{
- unsigned long next_time;
- unsigned long now_time;
-
- next->tm_year = now->tm_year;
- next->tm_mon = now->tm_mon;
- next->tm_mday = now->tm_mday;
- next->tm_hour = alrm->tm_hour;
- next->tm_min = alrm->tm_min;
- next->tm_sec = alrm->tm_sec;
-
- rtc_tm_to_time(now, &now_time);
- rtc_tm_to_time(next, &next_time);
-
- if (next_time < now_time) {
- /* Advance one day */
- next_time += 60 * 60 * 24;
- rtc_time_to_tm(next_time, next);
- }
-}
-EXPORT_SYMBOL(rtc_next_alarm_time);
-
-static inline int rtc_arm_read_time(struct rtc_ops *ops, struct rtc_time *tm)
-{
- memset(tm, 0, sizeof(struct rtc_time));
- return ops->read_time(tm);
-}
-
-static inline int rtc_arm_set_time(struct rtc_ops *ops, struct rtc_time *tm)
-{
- int ret;
-
- ret = rtc_valid_tm(tm);
- if (ret == 0)
- ret = ops->set_time(tm);
-
- return ret;
-}
-
-static inline int rtc_arm_read_alarm(struct rtc_ops *ops, struct rtc_wkalrm *alrm)
-{
- int ret = -EINVAL;
- if (ops->read_alarm) {
- memset(alrm, 0, sizeof(struct rtc_wkalrm));
- ret = ops->read_alarm(alrm);
- }
- return ret;
-}
-
-static inline int rtc_arm_set_alarm(struct rtc_ops *ops, struct rtc_wkalrm *alrm)
-{
- int ret = -EINVAL;
- if (ops->set_alarm)
- ret = ops->set_alarm(alrm);
- return ret;
-}
-
-void rtc_update(unsigned long num, unsigned long events)
-{
- spin_lock(&rtc_lock);
- rtc_irq_data = (rtc_irq_data + (num << 8)) | events;
- spin_unlock(&rtc_lock);
-
- wake_up_interruptible(&rtc_wait);
- kill_fasync(&rtc_async_queue, SIGIO, POLL_IN);
-}
-EXPORT_SYMBOL(rtc_update);
-
-
-static ssize_t
-rtc_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
-{
- DECLARE_WAITQUEUE(wait, current);
- unsigned long data;
- ssize_t ret;
-
- if (count < sizeof(unsigned long))
- return -EINVAL;
-
- add_wait_queue(&rtc_wait, &wait);
- do {
- __set_current_state(TASK_INTERRUPTIBLE);
-
- spin_lock_irq(&rtc_lock);
- data = rtc_irq_data;
- rtc_irq_data = 0;
- spin_unlock_irq(&rtc_lock);
-
- if (data != 0) {
- ret = 0;
- break;
- }
- if (file->f_flags & O_NONBLOCK) {
- ret = -EAGAIN;
- break;
- }
- if (signal_pending(current)) {
- ret = -ERESTARTSYS;
- break;
- }
- schedule();
- } while (1);
- set_current_state(TASK_RUNNING);
- remove_wait_queue(&rtc_wait, &wait);
-
- if (ret == 0) {
- ret = put_user(data, (unsigned long __user *)buf);
- if (ret == 0)
- ret = sizeof(unsigned long);
- }
- return ret;
-}
-
-static unsigned int rtc_poll(struct file *file, poll_table *wait)
-{
- unsigned long data;
-
- poll_wait(file, &rtc_wait, wait);
-
- spin_lock_irq(&rtc_lock);
- data = rtc_irq_data;
- spin_unlock_irq(&rtc_lock);
-
- return data != 0 ? POLLIN | POLLRDNORM : 0;
-}
-
-static int rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
- unsigned long arg)
-{
- struct rtc_ops *ops = file->private_data;
- struct rtc_time tm;
- struct rtc_wkalrm alrm;
- void __user *uarg = (void __user *)arg;
- int ret = -EINVAL;
-
- switch (cmd) {
- case RTC_ALM_READ:
- ret = rtc_arm_read_alarm(ops, &alrm);
- if (ret)
- break;
- ret = copy_to_user(uarg, &alrm.time, sizeof(tm));
- if (ret)
- ret = -EFAULT;
- break;
-
- case RTC_ALM_SET:
- ret = copy_from_user(&alrm.time, uarg, sizeof(tm));
- if (ret) {
- ret = -EFAULT;
- break;
- }
- alrm.enabled = 0;
- alrm.pending = 0;
- alrm.time.tm_mday = -1;
- alrm.time.tm_mon = -1;
- alrm.time.tm_year = -1;
- alrm.time.tm_wday = -1;
- alrm.time.tm_yday = -1;
- alrm.time.tm_isdst = -1;
- ret = rtc_arm_set_alarm(ops, &alrm);
- break;
-
- case RTC_RD_TIME:
- ret = rtc_arm_read_time(ops, &tm);
- if (ret)
- break;
- ret = copy_to_user(uarg, &tm, sizeof(tm));
- if (ret)
- ret = -EFAULT;
- break;
-
- case RTC_SET_TIME:
- if (!capable(CAP_SYS_TIME)) {
- ret = -EACCES;
- break;
- }
- ret = copy_from_user(&tm, uarg, sizeof(tm));
- if (ret) {
- ret = -EFAULT;
- break;
- }
- ret = rtc_arm_set_time(ops, &tm);
- break;
-
- case RTC_EPOCH_SET:
-#ifndef rtc_epoch
- /*
- * There were no RTC clocks before 1900.
- */
- if (arg < 1900) {
- ret = -EINVAL;
- break;
- }
- if (!capable(CAP_SYS_TIME)) {
- ret = -EACCES;
- break;
- }
- rtc_epoch = arg;
- ret = 0;
-#endif
- break;
-
- case RTC_EPOCH_READ:
- ret = put_user(rtc_epoch, (unsigned long __user *)uarg);
- break;
-
- case RTC_WKALM_SET:
- ret = copy_from_user(&alrm, uarg, sizeof(alrm));
- if (ret) {
- ret = -EFAULT;
- break;
- }
- ret = rtc_arm_set_alarm(ops, &alrm);
- break;
-
- case RTC_WKALM_RD:
- ret = rtc_arm_read_alarm(ops, &alrm);
- if (ret)
- break;
- ret = copy_to_user(uarg, &alrm, sizeof(alrm));
- if (ret)
- ret = -EFAULT;
- break;
-
- default:
- if (ops->ioctl)
- ret = ops->ioctl(cmd, arg);
- break;
- }
- return ret;
-}
-
-static int rtc_open(struct inode *inode, struct file *file)
-{
- int ret;
-
- mutex_lock(&rtc_mutex);
-
- if (rtc_inuse) {
- ret = -EBUSY;
- } else if (!rtc_ops || !try_module_get(rtc_ops->owner)) {
- ret = -ENODEV;
- } else {
- file->private_data = rtc_ops;
-
- ret = rtc_ops->open ? rtc_ops->open() : 0;
- if (ret == 0) {
- spin_lock_irq(&rtc_lock);
- rtc_irq_data = 0;
- spin_unlock_irq(&rtc_lock);
-
- rtc_inuse = 1;
- }
- }
- mutex_unlock(&rtc_mutex);
-
- return ret;
-}
-
-static int rtc_release(struct inode *inode, struct file *file)
-{
- struct rtc_ops *ops = file->private_data;
-
- if (ops->release)
- ops->release();
-
- spin_lock_irq(&rtc_lock);
- rtc_irq_data = 0;
- spin_unlock_irq(&rtc_lock);
-
- module_put(rtc_ops->owner);
- rtc_inuse = 0;
-
- return 0;
-}
-
-static int rtc_fasync(int fd, struct file *file, int on)
-{
- return fasync_helper(fd, file, on, &rtc_async_queue);
-}
-
-static const struct file_operations rtc_fops = {
- .owner = THIS_MODULE,
- .llseek = no_llseek,
- .read = rtc_read,
- .poll = rtc_poll,
- .ioctl = rtc_ioctl,
- .open = rtc_open,
- .release = rtc_release,
- .fasync = rtc_fasync,
-};
-
-static struct miscdevice rtc_miscdev = {
- .minor = RTC_MINOR,
- .name = "rtc",
- .fops = &rtc_fops,
-};
-
-
-static int rtc_read_proc(char *page, char **start, off_t off, int count, int *eof, void *data)
-{
- struct rtc_ops *ops = data;
- struct rtc_wkalrm alrm;
- struct rtc_time tm;
- char *p = page;
-
- if (rtc_arm_read_time(ops, &tm) == 0) {
- p += sprintf(p,
- "rtc_time\t: %02d:%02d:%02d\n"
- "rtc_date\t: %04d-%02d-%02d\n"
- "rtc_epoch\t: %04lu\n",
- tm.tm_hour, tm.tm_min, tm.tm_sec,
- tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday,
- rtc_epoch);
- }
-
- if (rtc_arm_read_alarm(ops, &alrm) == 0) {
- p += sprintf(p, "alrm_time\t: ");
- if ((unsigned int)alrm.time.tm_hour <= 24)
- p += sprintf(p, "%02d:", alrm.time.tm_hour);
- else
- p += sprintf(p, "**:");
- if ((unsigned int)alrm.time.tm_min <= 59)
- p += sprintf(p, "%02d:", alrm.time.tm_min);
- else
- p += sprintf(p, "**:");
- if ((unsigned int)alrm.time.tm_sec <= 59)
- p += sprintf(p, "%02d\n", alrm.time.tm_sec);
- else
- p += sprintf(p, "**\n");
-
- p += sprintf(p, "alrm_date\t: ");
- if ((unsigned int)alrm.time.tm_year <= 200)
- p += sprintf(p, "%04d-", alrm.time.tm_year + 1900);
- else
- p += sprintf(p, "****-");
- if ((unsigned int)alrm.time.tm_mon <= 11)
- p += sprintf(p, "%02d-", alrm.time.tm_mon + 1);
- else
- p += sprintf(p, "**-");
- if ((unsigned int)alrm.time.tm_mday <= 31)
- p += sprintf(p, "%02d\n", alrm.time.tm_mday);
- else
- p += sprintf(p, "**\n");
- p += sprintf(p, "alrm_wakeup\t: %s\n",
- alrm.enabled ? "yes" : "no");
- p += sprintf(p, "alrm_pending\t: %s\n",
- alrm.pending ? "yes" : "no");
- }
-
- if (ops->proc)
- p += ops->proc(p);
-
- return p - page;
-}
-
-int register_rtc(struct rtc_ops *ops)
-{
- int ret = -EBUSY;
-
- mutex_lock(&rtc_mutex);
- if (rtc_ops == NULL) {
- rtc_ops = ops;
-
- ret = misc_register(&rtc_miscdev);
- if (ret == 0)
- create_proc_read_entry("driver/rtc", 0, NULL,
- rtc_read_proc, ops);
- }
- mutex_unlock(&rtc_mutex);
-
- return ret;
-}
-EXPORT_SYMBOL(register_rtc);
-
-void unregister_rtc(struct rtc_ops *rtc)
-{
- mutex_lock(&rtc_mutex);
- if (rtc == rtc_ops) {
- remove_proc_entry("driver/rtc", NULL);
- misc_deregister(&rtc_miscdev);
- rtc_ops = NULL;
- }
- mutex_unlock(&rtc_mutex);
-}
-EXPORT_SYMBOL(unregister_rtc);
diff --git a/arch/arm/common/sharpsl_pm.c b/arch/arm/common/sharpsl_pm.c
index 5bba5255b11..8822b684d47 100644
--- a/arch/arm/common/sharpsl_pm.c
+++ b/arch/arm/common/sharpsl_pm.c
@@ -31,6 +31,7 @@
#include <asm/irq.h>
#include <asm/arch/pm.h>
#include <asm/arch/pxa-regs.h>
+#include <asm/arch/pxa2xx-regs.h>
#include <asm/arch/sharpsl.h>
#include <asm/hardware/sharpsl_pm.h>
@@ -157,6 +158,7 @@ static void sharpsl_battery_thread(struct work_struct *private_)
dev_dbg(sharpsl_pm.dev, "Battery: voltage: %d, status: %d, percentage: %d, time: %ld\n", voltage,
sharpsl_pm.battstat.mainbat_status, sharpsl_pm.battstat.mainbat_percent, jiffies);
+#ifdef CONFIG_BACKLIGHT_CORGI
/* If battery is low. limit backlight intensity to save power. */
if ((sharpsl_pm.battstat.ac_status != APM_AC_ONLINE)
&& ((sharpsl_pm.battstat.mainbat_status == APM_BATTERY_STATUS_LOW) ||
@@ -169,6 +171,7 @@ static void sharpsl_battery_thread(struct work_struct *private_)
sharpsl_pm.machinfo->backlight_limit(0);
sharpsl_pm.flags &= ~SHARPSL_BL_LIMIT;
}
+#endif
/* Suspend if critical battery level */
if ((sharpsl_pm.battstat.ac_status != APM_AC_ONLINE)
diff --git a/arch/arm/configs/at91cap9adk_defconfig b/arch/arm/configs/at91cap9adk_defconfig
index e32e7364812..be2b2f38fd9 100644
--- a/arch/arm/configs/at91cap9adk_defconfig
+++ b/arch/arm/configs/at91cap9adk_defconfig
@@ -213,7 +213,6 @@ CONFIG_CPU_CP15_MMU=y
#
# CONFIG_TICK_ONESHOT is not set
# CONFIG_PREEMPT is not set
-# CONFIG_NO_IDLE_HZ is not set
CONFIG_HZ=100
CONFIG_AEABI=y
CONFIG_OABI_COMPAT=y
@@ -907,7 +906,32 @@ CONFIG_USB_MON=y
#
# USB Gadget Support
#
-# CONFIG_USB_GADGET is not set
+CONFIG_USB_GADGET=y
+# CONFIG_USB_GADGET_DEBUG is not set
+# CONFIG_USB_GADGET_DEBUG_FILES is not set
+CONFIG_USB_GADGET_SELECTED=y
+# CONFIG_USB_GADGET_AMD5536UDC is not set
+CONFIG_USB_GADGET_ATMEL_USBA=y
+CONFIG_USB_ATMEL_USBA=y
+# CONFIG_USB_GADGET_FSL_USB2 is not set
+# CONFIG_USB_GADGET_NET2280 is not set
+# CONFIG_USB_GADGET_PXA2XX is not set
+# CONFIG_USB_GADGET_M66592 is not set
+# CONFIG_USB_GADGET_GOKU is not set
+# CONFIG_USB_GADGET_LH7A40X is not set
+# CONFIG_USB_GADGET_OMAP is not set
+# CONFIG_USB_GADGET_S3C2410 is not set
+# CONFIG_USB_GADGET_AT91 is not set
+# CONFIG_USB_GADGET_DUMMY_HCD is not set
+CONFIG_USB_GADGET_DUALSPEED=y
+# CONFIG_USB_ZERO is not set
+CONFIG_USB_ETH=m
+CONFIG_USB_ETH_RNDIS=y
+# CONFIG_USB_GADGETFS is not set
+CONFIG_USB_FILE_STORAGE=m
+# CONFIG_USB_FILE_STORAGE_TEST is not set
+# CONFIG_USB_G_SERIAL is not set
+# CONFIG_USB_MIDI_GADGET is not set
CONFIG_MMC=y
# CONFIG_MMC_DEBUG is not set
# CONFIG_MMC_UNSAFE_RESUME is not set
@@ -926,7 +950,59 @@ CONFIG_MMC_AT91=y
# CONFIG_MMC_SPI is not set
# CONFIG_NEW_LEDS is not set
CONFIG_RTC_LIB=y
-# CONFIG_RTC_CLASS is not set
+CONFIG_RTC_CLASS=y
+CONFIG_RTC_HCTOSYS=y
+CONFIG_RTC_HCTOSYS_DEVICE="rtc0"
+# CONFIG_RTC_DEBUG is not set
+
+#
+# RTC interfaces
+#
+CONFIG_RTC_INTF_SYSFS=y
+CONFIG_RTC_INTF_PROC=y
+CONFIG_RTC_INTF_DEV=y
+# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set
+# CONFIG_RTC_DRV_TEST is not set
+
+#
+# I2C RTC drivers
+#
+# CONFIG_RTC_DRV_DS1307 is not set
+# CONFIG_RTC_DRV_DS1374 is not set
+# CONFIG_RTC_DRV_DS1672 is not set
+# CONFIG_RTC_DRV_MAX6900 is not set
+# CONFIG_RTC_DRV_RS5C372 is not set
+# CONFIG_RTC_DRV_ISL1208 is not set
+# CONFIG_RTC_DRV_X1205 is not set
+# CONFIG_RTC_DRV_PCF8563 is not set
+# CONFIG_RTC_DRV_PCF8583 is not set
+# CONFIG_RTC_DRV_M41T80 is not set
+
+#
+# SPI RTC drivers
+#
+# CONFIG_RTC_DRV_MAX6902 is not set
+# CONFIG_RTC_DRV_R9701 is not set
+# CONFIG_RTC_DRV_RS5C348 is not set
+
+#
+# Platform RTC drivers
+#
+# CONFIG_RTC_DRV_CMOS is not set
+# CONFIG_RTC_DRV_DS1511 is not set
+# CONFIG_RTC_DRV_DS1553 is not set
+# CONFIG_RTC_DRV_DS1742 is not set
+# CONFIG_RTC_DRV_STK17TA8 is not set
+# CONFIG_RTC_DRV_M48T86 is not set
+# CONFIG_RTC_DRV_M48T59 is not set
+# CONFIG_RTC_DRV_V3020 is not set
+
+#
+# on-CPU RTC drivers
+#
+CONFIG_RTC_DRV_AT91SAM9=y
+CONFIG_RTC_DRV_AT91SAM9_RTT=0
+CONFIG_RTC_DRV_AT91SAM9_GPBR=0
#
# File systems
diff --git a/arch/arm/configs/at91rm9200dk_defconfig b/arch/arm/configs/at91rm9200dk_defconfig
index 2dbbbc3d4ac..868fb7b9530 100644
--- a/arch/arm/configs/at91rm9200dk_defconfig
+++ b/arch/arm/configs/at91rm9200dk_defconfig
@@ -169,7 +169,6 @@ CONFIG_AT91_CF=y
# Kernel Features
#
# CONFIG_PREEMPT is not set
-# CONFIG_NO_IDLE_HZ is not set
# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
CONFIG_SELECT_MEMORY_MODEL=y
CONFIG_FLATMEM_MANUAL=y
diff --git a/arch/arm/configs/at91rm9200ek_defconfig b/arch/arm/configs/at91rm9200ek_defconfig
index 6e994f7820c..de43fc67561 100644
--- a/arch/arm/configs/at91rm9200ek_defconfig
+++ b/arch/arm/configs/at91rm9200ek_defconfig
@@ -160,7 +160,6 @@ CONFIG_ISA_DMA_API=y
# Kernel Features
#
# CONFIG_PREEMPT is not set
-# CONFIG_NO_IDLE_HZ is not set
# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
CONFIG_SELECT_MEMORY_MODEL=y
CONFIG_FLATMEM_MANUAL=y
diff --git a/arch/arm/configs/at91sam9260ek_defconfig b/arch/arm/configs/at91sam9260ek_defconfig
index f659c938473..2011adfa675 100644
--- a/arch/arm/configs/at91sam9260ek_defconfig
+++ b/arch/arm/configs/at91sam9260ek_defconfig
@@ -220,7 +220,6 @@ CONFIG_CPU_CP15_MMU=y
#
# CONFIG_TICK_ONESHOT is not set
# CONFIG_PREEMPT is not set
-# CONFIG_NO_IDLE_HZ is not set
CONFIG_HZ=100
# CONFIG_AEABI is not set
# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
diff --git a/arch/arm/configs/at91sam9261ek_defconfig b/arch/arm/configs/at91sam9261ek_defconfig
index 3802e85f748..4049768962d 100644
--- a/arch/arm/configs/at91sam9261ek_defconfig
+++ b/arch/arm/configs/at91sam9261ek_defconfig
@@ -213,7 +213,6 @@ CONFIG_CPU_CP15_MMU=y
#
# CONFIG_TICK_ONESHOT is not set
# CONFIG_PREEMPT is not set
-# CONFIG_NO_IDLE_HZ is not set
CONFIG_HZ=100
# CONFIG_AEABI is not set
# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
diff --git a/arch/arm/configs/at91sam9263ek_defconfig b/arch/arm/configs/at91sam9263ek_defconfig
index 32a0d74e0c8..fa1c5aecb5a 100644
--- a/arch/arm/configs/at91sam9263ek_defconfig
+++ b/arch/arm/configs/at91sam9263ek_defconfig
@@ -213,7 +213,6 @@ CONFIG_CPU_CP15_MMU=y
#
# CONFIG_TICK_ONESHOT is not set
# CONFIG_PREEMPT is not set
-# CONFIG_NO_IDLE_HZ is not set
CONFIG_HZ=100
# CONFIG_AEABI is not set
# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
diff --git a/arch/arm/configs/em_x270_defconfig b/arch/arm/configs/at91sam9g20ek_defconfig
index 6bea0901bdf..c0686384736 100644
--- a/arch/arm/configs/em_x270_defconfig
+++ b/arch/arm/configs/at91sam9g20ek_defconfig
@@ -1,13 +1,13 @@
#
# Automatically generated make config: don't edit
-# Linux kernel version: 2.6.22
-# Mon Jul 9 15:18:20 2007
+# Linux kernel version: 2.6.24
+# Tue Jun 10 15:51:52 2008
#
CONFIG_ARM=y
CONFIG_SYS_SUPPORTS_APM_EMULATION=y
CONFIG_GENERIC_GPIO=y
CONFIG_GENERIC_TIME=y
-# CONFIG_GENERIC_CLOCKEVENTS is not set
+CONFIG_GENERIC_CLOCKEVENTS=y
CONFIG_MMU=y
# CONFIG_NO_IOPORT is not set
CONFIG_GENERIC_HARDIRQS=y
@@ -22,45 +22,40 @@ CONFIG_RWSEM_GENERIC_SPINLOCK=y
CONFIG_GENERIC_HWEIGHT=y
CONFIG_GENERIC_CALIBRATE_DELAY=y
CONFIG_ZONE_DMA=y
-CONFIG_ARCH_MTD_XIP=y
CONFIG_VECTORS_BASE=0xffff0000
CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
#
-# Code maturity level options
+# General setup
#
CONFIG_EXPERIMENTAL=y
CONFIG_BROKEN_ON_SMP=y
CONFIG_INIT_ENV_ARG_LIMIT=32
-
-#
-# General setup
-#
-CONFIG_LOCALVERSION="-em-x270"
+CONFIG_LOCALVERSION=""
# CONFIG_LOCALVERSION_AUTO is not set
-CONFIG_SWAP=y
+# CONFIG_SWAP is not set
CONFIG_SYSVIPC=y
-# CONFIG_IPC_NS is not set
CONFIG_SYSVIPC_SYSCTL=y
# CONFIG_POSIX_MQUEUE is not set
# CONFIG_BSD_PROCESS_ACCT is not set
# CONFIG_TASKSTATS is not set
-# CONFIG_UTS_NS is not set
+# CONFIG_USER_NS is not set
+# CONFIG_PID_NS is not set
# CONFIG_AUDIT is not set
-CONFIG_IKCONFIG=y
-CONFIG_IKCONFIG_PROC=y
-CONFIG_LOG_BUF_SHIFT=17
+# CONFIG_IKCONFIG is not set
+CONFIG_LOG_BUF_SHIFT=14
+# CONFIG_CGROUPS is not set
+# CONFIG_FAIR_GROUP_SCHED is not set
CONFIG_SYSFS_DEPRECATED=y
# CONFIG_RELAY is not set
CONFIG_BLK_DEV_INITRD=y
CONFIG_INITRAMFS_SOURCE=""
CONFIG_CC_OPTIMIZE_FOR_SIZE=y
CONFIG_SYSCTL=y
-CONFIG_EMBEDDED=y
+# CONFIG_EMBEDDED is not set
CONFIG_UID16=y
CONFIG_SYSCTL_SYSCALL=y
CONFIG_KALLSYMS=y
-# CONFIG_KALLSYMS_ALL is not set
# CONFIG_KALLSYMS_EXTRA_PASS is not set
CONFIG_HOTPLUG=y
CONFIG_PRINTK=y
@@ -71,42 +66,35 @@ CONFIG_FUTEX=y
CONFIG_ANON_INODES=y
CONFIG_EPOLL=y
CONFIG_SIGNALFD=y
-CONFIG_TIMERFD=y
CONFIG_EVENTFD=y
CONFIG_SHMEM=y
CONFIG_VM_EVENT_COUNTERS=y
CONFIG_SLAB=y
# CONFIG_SLUB is not set
# CONFIG_SLOB is not set
+CONFIG_SLABINFO=y
CONFIG_RT_MUTEXES=y
# CONFIG_TINY_SHMEM is not set
CONFIG_BASE_SMALL=0
-
-#
-# Loadable module support
-#
CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
-CONFIG_MODULE_FORCE_UNLOAD=y
+# CONFIG_MODULE_FORCE_UNLOAD is not set
# CONFIG_MODVERSIONS is not set
# CONFIG_MODULE_SRCVERSION_ALL is not set
CONFIG_KMOD=y
-
-#
-# Block layer
-#
CONFIG_BLOCK=y
# CONFIG_LBD is not set
# CONFIG_BLK_DEV_IO_TRACE is not set
# CONFIG_LSF is not set
+# CONFIG_BLK_DEV_BSG is not set
#
# IO Schedulers
#
CONFIG_IOSCHED_NOOP=y
CONFIG_IOSCHED_AS=y
-CONFIG_IOSCHED_DEADLINE=y
-CONFIG_IOSCHED_CFQ=y
+# CONFIG_IOSCHED_DEADLINE is not set
+# CONFIG_IOSCHED_CFQ is not set
CONFIG_DEFAULT_AS=y
# CONFIG_DEFAULT_DEADLINE is not set
# CONFIG_DEFAULT_CFQ is not set
@@ -120,7 +108,7 @@ CONFIG_DEFAULT_IOSCHED="anticipatory"
# CONFIG_ARCH_INTEGRATOR is not set
# CONFIG_ARCH_REALVIEW is not set
# CONFIG_ARCH_VERSATILE is not set
-# CONFIG_ARCH_AT91 is not set
+CONFIG_ARCH_AT91=y
# CONFIG_ARCH_CLPS7500 is not set
# CONFIG_ARCH_CLPS711X is not set
# CONFIG_ARCH_CO285 is not set
@@ -139,8 +127,9 @@ CONFIG_DEFAULT_IOSCHED="anticipatory"
# CONFIG_ARCH_L7200 is not set
# CONFIG_ARCH_KS8695 is not set
# CONFIG_ARCH_NS9XXX is not set
+# CONFIG_ARCH_MXC is not set
# CONFIG_ARCH_PNX4008 is not set
-CONFIG_ARCH_PXA=y
+# CONFIG_ARCH_PXA is not set
# CONFIG_ARCH_RPC is not set
# CONFIG_ARCH_SA1100 is not set
# CONFIG_ARCH_S3C2410 is not set
@@ -150,25 +139,60 @@ CONFIG_ARCH_PXA=y
# CONFIG_ARCH_OMAP is not set
#
-# Intel PXA2xx Implementations
+# Boot options
+#
+
+#
+# Power management
#
-# CONFIG_ARCH_LUBBOCK is not set
-# CONFIG_MACH_LOGICPD_PXA270 is not set
-# CONFIG_MACH_MAINSTONE is not set
-# CONFIG_ARCH_PXA_IDP is not set
-# CONFIG_PXA_SHARPSL is not set
-# CONFIG_MACH_TRIZEPS4 is not set
-CONFIG_MACH_EM_X270=y
-CONFIG_PXA27x=y
+
+#
+# Atmel AT91 System-on-Chip
+#
+# CONFIG_ARCH_AT91RM9200 is not set
+# CONFIG_ARCH_AT91SAM9260 is not set
+# CONFIG_ARCH_AT91SAM9261 is not set
+# CONFIG_ARCH_AT91SAM9263 is not set
+# CONFIG_ARCH_AT91SAM9RL is not set
+CONFIG_ARCH_AT91SAM9G20=y
+# CONFIG_ARCH_AT91CAP9 is not set
+# CONFIG_ARCH_AT91X40 is not set
+CONFIG_AT91_PMC_UNIT=y
+
+#
+# AT91SAM9G20 Board Type
+#
+CONFIG_MACH_AT91SAM9G20EK=y
+
+#
+# AT91 Board Options
+#
+# CONFIG_MTD_AT91_DATAFLASH_CARD is not set
+# CONFIG_MTD_NAND_AT91_BUSWIDTH_16 is not set
+
+#
+# AT91 Feature Selections
+#
+CONFIG_AT91_PROGRAMMABLE_CLOCKS=y
+# CONFIG_AT91_SLOW_CLOCK is not set
+CONFIG_AT91_TIMER_HZ=100
+CONFIG_AT91_EARLY_DBGU=y
+# CONFIG_AT91_EARLY_USART0 is not set
+# CONFIG_AT91_EARLY_USART1 is not set
+# CONFIG_AT91_EARLY_USART2 is not set
+# CONFIG_AT91_EARLY_USART3 is not set
+# CONFIG_AT91_EARLY_USART4 is not set
+# CONFIG_AT91_EARLY_USART5 is not set
#
# Processor Type
#
CONFIG_CPU_32=y
-CONFIG_CPU_XSCALE=y
+CONFIG_CPU_ARM926T=y
CONFIG_CPU_32v5=y
-CONFIG_CPU_ABRT_EV5T=y
+CONFIG_CPU_ABRT_EV5TJ=y
CONFIG_CPU_CACHE_VIVT=y
+CONFIG_CPU_COPY_V4WB=y
CONFIG_CPU_TLB_V4WBI=y
CONFIG_CPU_CP15=y
CONFIG_CPU_CP15_MMU=y
@@ -176,28 +200,28 @@ CONFIG_CPU_CP15_MMU=y
#
# Processor Features
#
-CONFIG_ARM_THUMB=y
+# CONFIG_ARM_THUMB is not set
+# CONFIG_CPU_ICACHE_DISABLE is not set
# CONFIG_CPU_DCACHE_DISABLE is not set
+# CONFIG_CPU_DCACHE_WRITETHROUGH is not set
+# CONFIG_CPU_CACHE_ROUND_ROBIN is not set
# CONFIG_OUTER_CACHE is not set
-CONFIG_IWMMXT=y
-CONFIG_XSCALE_PMU=y
#
# Bus support
#
+# CONFIG_PCI_SYSCALL is not set
# CONFIG_ARCH_SUPPORTS_MSI is not set
-
-#
-# PCCARD (PCMCIA/CardBus) support
-#
# CONFIG_PCCARD is not set
#
# Kernel Features
#
# CONFIG_TICK_ONESHOT is not set
+# CONFIG_NO_HZ is not set
+# CONFIG_HIGH_RES_TIMERS is not set
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
# CONFIG_PREEMPT is not set
-# CONFIG_NO_IDLE_HZ is not set
CONFIG_HZ=100
CONFIG_AEABI=y
CONFIG_OABI_COMPAT=y
@@ -209,9 +233,14 @@ CONFIG_FLATMEM_MANUAL=y
CONFIG_FLATMEM=y
CONFIG_FLAT_NODE_MEM_MAP=y
# CONFIG_SPARSEMEM_STATIC is not set
+# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
CONFIG_SPLIT_PTLOCK_CPUS=4096
# CONFIG_RESOURCES_64BIT is not set
CONFIG_ZONE_DMA_FLAG=1
+CONFIG_BOUNCE=y
+CONFIG_VIRT_TO_BUS=y
+CONFIG_LEDS=y
+CONFIG_LEDS_CPU=y
CONFIG_ALIGNMENT_TRAP=y
#
@@ -219,7 +248,7 @@ CONFIG_ALIGNMENT_TRAP=y
#
CONFIG_ZBOOT_ROM_TEXT=0x0
CONFIG_ZBOOT_ROM_BSS=0x0
-CONFIG_CMDLINE=""
+CONFIG_CMDLINE="mem=64M console=ttyS0,115200 initrd=0x21100000,3145728 root=/dev/ram0 rw"
# CONFIG_XIP_KERNEL is not set
# CONFIG_KEXEC is not set
@@ -233,6 +262,7 @@ CONFIG_CMDLINE=""
CONFIG_FPE_NWFPE=y
# CONFIG_FPE_NWFPE_XP is not set
# CONFIG_FPE_FASTFPE is not set
+# CONFIG_VFP is not set
#
# Userspace binary formats
@@ -245,10 +275,12 @@ CONFIG_BINFMT_ELF=y
# Power management options
#
CONFIG_PM=y
-CONFIG_PM_LEGACY=y
+# CONFIG_PM_LEGACY is not set
# CONFIG_PM_DEBUG is not set
-# CONFIG_PM_SYSFS_DEPRECATED is not set
-CONFIG_APM_EMULATION=m
+CONFIG_PM_SLEEP=y
+CONFIG_SUSPEND_UP_POSSIBLE=y
+CONFIG_SUSPEND=y
+# CONFIG_APM_EMULATION is not set
#
# Networking
@@ -261,17 +293,13 @@ CONFIG_NET=y
CONFIG_PACKET=y
# CONFIG_PACKET_MMAP is not set
CONFIG_UNIX=y
-CONFIG_XFRM=y
-# CONFIG_XFRM_USER is not set
-# CONFIG_XFRM_SUB_POLICY is not set
-# CONFIG_XFRM_MIGRATE is not set
# CONFIG_NET_KEY is not set
CONFIG_INET=y
# CONFIG_IP_MULTICAST is not set
# CONFIG_IP_ADVANCED_ROUTER is not set
CONFIG_IP_FIB_HASH=y
CONFIG_IP_PNP=y
-CONFIG_IP_PNP_DHCP=y
+# CONFIG_IP_PNP_DHCP is not set
CONFIG_IP_PNP_BOOTP=y
# CONFIG_IP_PNP_RARP is not set
# CONFIG_NET_IPIP is not set
@@ -283,9 +311,10 @@ CONFIG_IP_PNP_BOOTP=y
# CONFIG_INET_IPCOMP is not set
# CONFIG_INET_XFRM_TUNNEL is not set
# CONFIG_INET_TUNNEL is not set
-CONFIG_INET_XFRM_MODE_TRANSPORT=y
-CONFIG_INET_XFRM_MODE_TUNNEL=y
-CONFIG_INET_XFRM_MODE_BEET=y
+# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
+# CONFIG_INET_XFRM_MODE_TUNNEL is not set
+# CONFIG_INET_XFRM_MODE_BEET is not set
+# CONFIG_INET_LRO is not set
CONFIG_INET_DIAG=y
CONFIG_INET_TCP_DIAG=y
# CONFIG_TCP_CONG_ADVANCED is not set
@@ -311,10 +340,6 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
# CONFIG_LAPB is not set
# CONFIG_ECONET is not set
# CONFIG_WAN_ROUTER is not set
-
-#
-# QoS and/or fair queueing
-#
# CONFIG_NET_SCHED is not set
#
@@ -323,28 +348,7 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
# CONFIG_NET_PKTGEN is not set
# CONFIG_HAMRADIO is not set
# CONFIG_IRDA is not set
-CONFIG_BT=m
-CONFIG_BT_L2CAP=m
-CONFIG_BT_SCO=m
-CONFIG_BT_RFCOMM=m
-# CONFIG_BT_RFCOMM_TTY is not set
-CONFIG_BT_BNEP=m
-# CONFIG_BT_BNEP_MC_FILTER is not set
-# CONFIG_BT_BNEP_PROTO_FILTER is not set
-CONFIG_BT_HIDP=m
-
-#
-# Bluetooth device drivers
-#
-CONFIG_BT_HCIUSB=m
-# CONFIG_BT_HCIUSB_SCO is not set
-CONFIG_BT_HCIUART=m
-# CONFIG_BT_HCIUART_H4 is not set
-# CONFIG_BT_HCIUART_BCSP is not set
-CONFIG_BT_HCIBCM203X=m
-CONFIG_BT_HCIBPA10X=m
-CONFIG_BT_HCIBFUSB=m
-# CONFIG_BT_HCIVHCI is not set
+# CONFIG_BT is not set
# CONFIG_AF_RXRPC is not set
#
@@ -353,13 +357,9 @@ CONFIG_BT_HCIBFUSB=m
# CONFIG_CFG80211 is not set
# CONFIG_WIRELESS_EXT is not set
# CONFIG_MAC80211 is not set
-CONFIG_IEEE80211=m
-# CONFIG_IEEE80211_DEBUG is not set
-CONFIG_IEEE80211_CRYPT_WEP=m
-CONFIG_IEEE80211_CRYPT_CCMP=m
-# CONFIG_IEEE80211_CRYPT_TKIP is not set
-# CONFIG_IEEE80211_SOFTMAC is not set
+# CONFIG_IEEE80211 is not set
# CONFIG_RFKILL is not set
+# CONFIG_NET_9P is not set
#
# Device Drivers
@@ -368,23 +368,18 @@ CONFIG_IEEE80211_CRYPT_CCMP=m
#
# Generic Driver Options
#
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_STANDALONE=y
CONFIG_PREVENT_FIRMWARE_BUILD=y
-CONFIG_FW_LOADER=y
-# CONFIG_DEBUG_DRIVER is not set
-# CONFIG_DEBUG_DEVRES is not set
+# CONFIG_FW_LOADER is not set
# CONFIG_SYS_HYPERVISOR is not set
-
-#
-# Connector - unified userspace <-> kernelspace linker
-#
# CONFIG_CONNECTOR is not set
CONFIG_MTD=y
# CONFIG_MTD_DEBUG is not set
CONFIG_MTD_CONCAT=y
CONFIG_MTD_PARTITIONS=y
# CONFIG_MTD_REDBOOT_PARTS is not set
-# CONFIG_MTD_CMDLINE_PARTS is not set
+CONFIG_MTD_CMDLINE_PARTS=y
# CONFIG_MTD_AFS_PARTS is not set
#
@@ -398,15 +393,13 @@ CONFIG_MTD_BLOCK=y
# CONFIG_INFTL is not set
# CONFIG_RFD_FTL is not set
# CONFIG_SSFDC is not set
+# CONFIG_MTD_OOPS is not set
#
# RAM/ROM/Flash chip drivers
#
# CONFIG_MTD_CFI is not set
# CONFIG_MTD_JEDECPROBE is not set
-# CONFIG_MTD_CFI_NOSWAP is not set
-# CONFIG_MTD_CFI_BE_BYTE_SWAP is not set
-# CONFIG_MTD_CFI_LE_BYTE_SWAP is not set
CONFIG_MTD_MAP_BANK_WIDTH_1=y
CONFIG_MTD_MAP_BANK_WIDTH_2=y
CONFIG_MTD_MAP_BANK_WIDTH_4=y
@@ -425,12 +418,13 @@ CONFIG_MTD_CFI_I2=y
# Mapping drivers for chip access
#
# CONFIG_MTD_COMPLEX_MAPPINGS is not set
-# CONFIG_MTD_SHARP_SL is not set
# CONFIG_MTD_PLATRAM is not set
#
# Self-contained MTD device drivers
#
+CONFIG_MTD_DATAFLASH=y
+# CONFIG_MTD_M25P80 is not set
# CONFIG_MTD_SLRAM is not set
# CONFIG_MTD_PHRAM is not set
# CONFIG_MTD_MTDRAM is not set
@@ -446,32 +440,23 @@ CONFIG_MTD_NAND=y
# CONFIG_MTD_NAND_VERIFY_WRITE is not set
# CONFIG_MTD_NAND_ECC_SMC is not set
# CONFIG_MTD_NAND_MUSEUM_IDS is not set
-# CONFIG_MTD_NAND_H1900 is not set
CONFIG_MTD_NAND_IDS=y
# CONFIG_MTD_NAND_DISKONCHIP is not set
-# CONFIG_MTD_NAND_SHARPSL is not set
+CONFIG_MTD_NAND_AT91=y
+CONFIG_MTD_NAND_AT91_ECC_SOFT=y
+# CONFIG_MTD_NAND_AT91_ECC_HW is not set
+# CONFIG_MTD_NAND_AT91_ECC_NONE is not set
# CONFIG_MTD_NAND_NANDSIM is not set
-CONFIG_MTD_NAND_PLATFORM=y
+# CONFIG_MTD_NAND_PLATFORM is not set
+# CONFIG_MTD_ALAUDA is not set
# CONFIG_MTD_ONENAND is not set
#
# UBI - Unsorted block images
#
# CONFIG_MTD_UBI is not set
-
-#
-# Parallel port support
-#
# CONFIG_PARPORT is not set
-
-#
-# Plug and Play support
-#
-# CONFIG_PNPACPI is not set
-
-#
-# Block devices
-#
+CONFIG_BLK_DEV=y
# CONFIG_BLK_DEV_COW_COMMON is not set
CONFIG_BLK_DEV_LOOP=y
# CONFIG_BLK_DEV_CRYPTOLOOP is not set
@@ -479,20 +464,24 @@ CONFIG_BLK_DEV_LOOP=y
# CONFIG_BLK_DEV_UB is not set
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_RAM_COUNT=16
-CONFIG_BLK_DEV_RAM_SIZE=12000
+CONFIG_BLK_DEV_RAM_SIZE=8192
CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024
# CONFIG_CDROM_PKTCDVD is not set
# CONFIG_ATA_OVER_ETH is not set
-# CONFIG_IDE is not set
+CONFIG_MISC_DEVICES=y
+CONFIG_ATMEL_PWM=y
+# CONFIG_EEPROM_93CX6 is not set
+CONFIG_ATMEL_SSC=y
#
# SCSI device support
#
# CONFIG_RAID_ATTRS is not set
CONFIG_SCSI=y
+CONFIG_SCSI_DMA=y
# CONFIG_SCSI_TGT is not set
# CONFIG_SCSI_NETLINK is not set
-# CONFIG_SCSI_PROC_FS is not set
+CONFIG_SCSI_PROC_FS=y
#
# SCSI support type (disk, tape, CD-ROM)
@@ -507,7 +496,7 @@ CONFIG_BLK_DEV_SD=y
#
# Some SCSI devices (e.g. CD jukebox) support multiple LUNs
#
-# CONFIG_SCSI_MULTI_LUN is not set
+CONFIG_SCSI_MULTI_LUN=y
# CONFIG_SCSI_CONSTANTS is not set
# CONFIG_SCSI_LOGGING is not set
# CONFIG_SCSI_SCAN_ASYNC is not set
@@ -519,39 +508,46 @@ CONFIG_SCSI_WAIT_SCAN=m
# CONFIG_SCSI_SPI_ATTRS is not set
# CONFIG_SCSI_FC_ATTRS is not set
# CONFIG_SCSI_ISCSI_ATTRS is not set
-# CONFIG_SCSI_SAS_ATTRS is not set
# CONFIG_SCSI_SAS_LIBSAS is not set
-
-#
-# SCSI low-level drivers
-#
-# CONFIG_ISCSI_TCP is not set
-# CONFIG_SCSI_DEBUG is not set
+# CONFIG_SCSI_SRP_ATTRS is not set
+# CONFIG_SCSI_LOWLEVEL is not set
# CONFIG_ATA is not set
-
-#
-# Multi-device support (RAID and LVM)
-#
# CONFIG_MD is not set
-
-#
-# Network device support
-#
CONFIG_NETDEVICES=y
+# CONFIG_NETDEVICES_MULTIQUEUE is not set
# CONFIG_DUMMY is not set
# CONFIG_BONDING is not set
+# CONFIG_MACVLAN is not set
# CONFIG_EQUALIZER is not set
# CONFIG_TUN is not set
-# CONFIG_PHYLIB is not set
-
-#
-# Ethernet (10 or 100Mbit)
-#
+# CONFIG_VETH is not set
+CONFIG_PHYLIB=y
+
+#
+# MII PHY device drivers
+#
+# CONFIG_MARVELL_PHY is not set
+# CONFIG_DAVICOM_PHY is not set
+# CONFIG_QSEMI_PHY is not set
+# CONFIG_LXT_PHY is not set
+# CONFIG_CICADA_PHY is not set
+# CONFIG_VITESSE_PHY is not set
+# CONFIG_SMSC_PHY is not set
+# CONFIG_BROADCOM_PHY is not set
+# CONFIG_ICPLUS_PHY is not set
+# CONFIG_FIXED_PHY is not set
+# CONFIG_MDIO_BITBANG is not set
CONFIG_NET_ETHERNET=y
CONFIG_MII=y
+CONFIG_MACB=y
+# CONFIG_AX88796 is not set
# CONFIG_SMC91X is not set
-CONFIG_DM9000=y
-# CONFIG_SMC911X is not set
+# CONFIG_DM9000 is not set
+# CONFIG_IBM_NEW_EMAC_ZMII is not set
+# CONFIG_IBM_NEW_EMAC_RGMII is not set
+# CONFIG_IBM_NEW_EMAC_TAH is not set
+# CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_B44 is not set
# CONFIG_NETDEV_1000 is not set
# CONFIG_NETDEV_10000 is not set
@@ -568,7 +564,6 @@ CONFIG_DM9000=y
# CONFIG_USB_KAWETH is not set
# CONFIG_USB_PEGASUS is not set
# CONFIG_USB_RTL8150 is not set
-# CONFIG_USB_USBNET_MII is not set
# CONFIG_USB_USBNET is not set
# CONFIG_WAN is not set
# CONFIG_PPP is not set
@@ -577,10 +572,6 @@ CONFIG_DM9000=y
# CONFIG_NETCONSOLE is not set
# CONFIG_NETPOLL is not set
# CONFIG_NET_POLL_CONTROLLER is not set
-
-#
-# ISDN subsystem
-#
# CONFIG_ISDN is not set
#
@@ -595,10 +586,9 @@ CONFIG_INPUT=y
#
CONFIG_INPUT_MOUSEDEV=y
# CONFIG_INPUT_MOUSEDEV_PSAUX is not set
-CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
-CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
+CONFIG_INPUT_MOUSEDEV_SCREEN_X=320
+CONFIG_INPUT_MOUSEDEV_SCREEN_Y=240
# CONFIG_INPUT_JOYDEV is not set
-# CONFIG_INPUT_TSDEV is not set
CONFIG_INPUT_EVDEV=y
# CONFIG_INPUT_EVBUG is not set
@@ -612,29 +602,18 @@ CONFIG_INPUT_KEYBOARD=y
# CONFIG_KEYBOARD_XTKBD is not set
# CONFIG_KEYBOARD_NEWTON is not set
# CONFIG_KEYBOARD_STOWAWAY is not set
-CONFIG_KEYBOARD_PXA27x=m
-# CONFIG_KEYBOARD_GPIO is not set
+CONFIG_KEYBOARD_GPIO=y
# CONFIG_INPUT_MOUSE is not set
# CONFIG_INPUT_JOYSTICK is not set
# CONFIG_INPUT_TABLET is not set
-CONFIG_INPUT_TOUCHSCREEN=y
-# CONFIG_TOUCHSCREEN_GUNZE is not set
-# CONFIG_TOUCHSCREEN_ELO is not set
-# CONFIG_TOUCHSCREEN_MTOUCH is not set
-# CONFIG_TOUCHSCREEN_MK712 is not set
-# CONFIG_TOUCHSCREEN_PENMOUNT is not set
-# CONFIG_TOUCHSCREEN_TOUCHRIGHT is not set
-# CONFIG_TOUCHSCREEN_TOUCHWIN is not set
-# CONFIG_TOUCHSCREEN_UCB1400 is not set
-# CONFIG_TOUCHSCREEN_USB_COMPOSITE is not set
+# CONFIG_INPUT_TOUCHSCREEN is not set
# CONFIG_INPUT_MISC is not set
#
# Hardware I/O ports
#
CONFIG_SERIO=y
-# CONFIG_SERIO_SERPORT is not set
-CONFIG_SERIO_LIBPS2=y
+CONFIG_SERIO_SERPORT=y
# CONFIG_SERIO_RAW is not set
# CONFIG_GAMEPORT is not set
@@ -655,45 +634,50 @@ CONFIG_HW_CONSOLE=y
#
# Non-8250 serial port support
#
-CONFIG_SERIAL_PXA=y
-CONFIG_SERIAL_PXA_CONSOLE=y
+CONFIG_SERIAL_ATMEL=y
+CONFIG_SERIAL_ATMEL_CONSOLE=y
+# CONFIG_SERIAL_ATMEL_TTYAT is not set
CONFIG_SERIAL_CORE=y
CONFIG_SERIAL_CORE_CONSOLE=y
CONFIG_UNIX98_PTYS=y
CONFIG_LEGACY_PTYS=y
-CONFIG_LEGACY_PTY_COUNT=256
-
-#
-# IPMI
-#
+CONFIG_LEGACY_PTY_COUNT=16
# CONFIG_IPMI_HANDLER is not set
-# CONFIG_WATCHDOG is not set
-CONFIG_HW_RANDOM=m
+CONFIG_HW_RANDOM=y
# CONFIG_NVRAM is not set
# CONFIG_R3964 is not set
# CONFIG_RAW_DRIVER is not set
-
-#
-# TPM devices
-#
# CONFIG_TCG_TPM is not set
# CONFIG_I2C is not set
#
# SPI support
#
-# CONFIG_SPI is not set
-# CONFIG_SPI_MASTER is not set
+CONFIG_SPI=y
+CONFIG_SPI_MASTER=y
#
-# Dallas's 1-wire bus
+# SPI Master Controller Drivers
#
+CONFIG_SPI_ATMEL=y
+# CONFIG_SPI_BITBANG is not set
+
+#
+# SPI Protocol Masters
+#
+# CONFIG_SPI_AT25 is not set
+CONFIG_SPI_SPIDEV=y
+# CONFIG_SPI_TLE62X0 is not set
# CONFIG_W1 is not set
+# CONFIG_POWER_SUPPLY is not set
# CONFIG_HWMON is not set
+# CONFIG_WATCHDOG is not set
#
-# Misc devices
+# Sonics Silicon Backplane
#
+CONFIG_SSB_POSSIBLE=y
+# CONFIG_SSB is not set
#
# Multifunction device drivers
@@ -701,19 +685,6 @@ CONFIG_HW_RANDOM=m
# CONFIG_MFD_SM501 is not set
#
-# LED devices
-#
-# CONFIG_NEW_LEDS is not set
-
-#
-# LED drivers
-#
-
-#
-# LED Triggers
-#
-
-#
# Multimedia devices
#
# CONFIG_VIDEO_DEV is not set
@@ -723,81 +694,51 @@ CONFIG_HW_RANDOM=m
#
# Graphics support
#
+# CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
+# CONFIG_FB is not set
# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
#
# Display device support
#
# CONFIG_DISPLAY_SUPPORT is not set
-# CONFIG_VGASTATE is not set
-CONFIG_FB=y
-# CONFIG_FIRMWARE_EDID is not set
-# CONFIG_FB_DDC is not set
-CONFIG_FB_CFB_FILLRECT=y
-CONFIG_FB_CFB_COPYAREA=y
-CONFIG_FB_CFB_IMAGEBLIT=y
-# CONFIG_FB_SYS_FILLRECT is not set
-# CONFIG_FB_SYS_COPYAREA is not set
-# CONFIG_FB_SYS_IMAGEBLIT is not set
-# CONFIG_FB_SYS_FOPS is not set
-CONFIG_FB_DEFERRED_IO=y
-# CONFIG_FB_SVGALIB is not set
-# CONFIG_FB_MACMODES is not set
-# CONFIG_FB_BACKLIGHT is not set
-# CONFIG_FB_MODE_HELPERS is not set
-# CONFIG_FB_TILEBLITTING is not set
-
-#
-# Frame buffer hardware drivers
-#
-# CONFIG_FB_S1D13XXX is not set
-CONFIG_FB_PXA=y
-# CONFIG_FB_PXA_PARAMETERS is not set
-# CONFIG_FB_MBX is not set
-# CONFIG_FB_VIRTUAL is not set
#
# Console display driver support
#
# CONFIG_VGA_CONSOLE is not set
CONFIG_DUMMY_CONSOLE=y
-CONFIG_FRAMEBUFFER_CONSOLE=y
-# CONFIG_FRAMEBUFFER_CONSOLE_ROTATION is not set
-# CONFIG_FONTS is not set
-CONFIG_FONT_8x8=y
-CONFIG_FONT_8x16=y
-CONFIG_LOGO=y
-CONFIG_LOGO_LINUX_MONO=y
-CONFIG_LOGO_LINUX_VGA16=y
-CONFIG_LOGO_LINUX_CLUT224=y
#
# Sound
#
-CONFIG_SOUND=m
+CONFIG_SOUND=y
#
# Advanced Linux Sound Architecture
#
-CONFIG_SND=m
-CONFIG_SND_TIMER=m
-CONFIG_SND_PCM=m
-# CONFIG_SND_SEQUENCER is not set
+CONFIG_SND=y
+CONFIG_SND_TIMER=y
+CONFIG_SND_PCM=y
+CONFIG_SND_SEQUENCER=y
+# CONFIG_SND_SEQ_DUMMY is not set
CONFIG_SND_OSSEMUL=y
-CONFIG_SND_MIXER_OSS=m
-CONFIG_SND_PCM_OSS=m
+CONFIG_SND_MIXER_OSS=y
+CONFIG_SND_PCM_OSS=y
CONFIG_SND_PCM_OSS_PLUGINS=y
+CONFIG_SND_SEQUENCER_OSS=y
# CONFIG_SND_DYNAMIC_MINORS is not set
CONFIG_SND_SUPPORT_OLD_API=y
-CONFIG_SND_VERBOSE_PROCFS=y
+# CONFIG_SND_VERBOSE_PROCFS is not set
# CONFIG_SND_VERBOSE_PRINTK is not set
# CONFIG_SND_DEBUG is not set
#
# Generic devices
#
-CONFIG_SND_AC97_CODEC=m
# CONFIG_SND_DUMMY is not set
+# CONFIG_SND_VIRMIDI is not set
# CONFIG_SND_MTPAV is not set
# CONFIG_SND_SERIAL_U16550 is not set
# CONFIG_SND_MPU401 is not set
@@ -805,8 +746,13 @@ CONFIG_SND_AC97_CODEC=m
#
# ALSA ARM devices
#
-CONFIG_SND_PXA2XX_PCM=m
-CONFIG_SND_PXA2XX_AC97=m
+# CONFIG_SND_AT91_AC97 is not set
+
+#
+# SPI devices
+#
+CONFIG_SND_AT73C213=y
+CONFIG_SND_AT73C213_TARGET_BITRATE=48000
#
# USB devices
@@ -820,16 +766,17 @@ CONFIG_SND_PXA2XX_AC97=m
# CONFIG_SND_SOC is not set
#
-# Open Sound System
+# SoC Audio support for SuperH
#
-# CONFIG_SOUND_PRIME is not set
-CONFIG_AC97_BUS=m
#
-# HID Devices
+# Open Sound System
#
+# CONFIG_SOUND_PRIME is not set
+CONFIG_HID_SUPPORT=y
CONFIG_HID=y
# CONFIG_HID_DEBUG is not set
+# CONFIG_HIDRAW is not set
#
# USB Input Devices
@@ -838,10 +785,7 @@ CONFIG_USB_HID=y
# CONFIG_USB_HIDINPUT_POWERBOOK is not set
# CONFIG_HID_FF is not set
# CONFIG_USB_HIDDEV is not set
-
-#
-# USB support
-#
+CONFIG_USB_SUPPORT=y
CONFIG_USB_ARCH_HAS_HCD=y
CONFIG_USB_ARCH_HAS_OHCI=y
# CONFIG_USB_ARCH_HAS_EHCI is not set
@@ -855,6 +799,7 @@ CONFIG_USB_DEVICEFS=y
# CONFIG_USB_DEVICE_CLASS is not set
# CONFIG_USB_DYNAMIC_MINORS is not set
# CONFIG_USB_SUSPEND is not set
+# CONFIG_USB_PERSIST is not set
# CONFIG_USB_OTG is not set
#
@@ -866,6 +811,7 @@ CONFIG_USB_OHCI_HCD=y
# CONFIG_USB_OHCI_BIG_ENDIAN_MMIO is not set
CONFIG_USB_OHCI_LITTLE_ENDIAN=y
# CONFIG_USB_SL811_HCD is not set
+# CONFIG_USB_R8A66597_HCD is not set
#
# USB Device Class drivers
@@ -884,6 +830,7 @@ CONFIG_USB_STORAGE=y
# CONFIG_USB_STORAGE_DEBUG is not set
# CONFIG_USB_STORAGE_DATAFAB is not set
# CONFIG_USB_STORAGE_FREECOM is not set
+# CONFIG_USB_STORAGE_ISD200 is not set
# CONFIG_USB_STORAGE_DPCM is not set
# CONFIG_USB_STORAGE_USBAT is not set
# CONFIG_USB_STORAGE_SDDR09 is not set
@@ -898,7 +845,7 @@ CONFIG_USB_STORAGE=y
#
# CONFIG_USB_MDC800 is not set
# CONFIG_USB_MICROTEK is not set
-# CONFIG_USB_MON is not set
+CONFIG_USB_MON=y
#
# USB port drivers
@@ -939,26 +886,66 @@ CONFIG_USB_STORAGE=y
#
# USB Gadget Support
#
-# CONFIG_USB_GADGET is not set
-CONFIG_MMC=m
+CONFIG_USB_GADGET=y
+# CONFIG_USB_GADGET_DEBUG_FILES is not set
+CONFIG_USB_GADGET_SELECTED=y
+# CONFIG_USB_GADGET_AMD5536UDC is not set
+# CONFIG_USB_GADGET_ATMEL_USBA is not set
+# CONFIG_USB_GADGET_FSL_USB2 is not set
+# CONFIG_USB_GADGET_NET2280 is not set
+# CONFIG_USB_GADGET_PXA2XX is not set
+# CONFIG_USB_GADGET_M66592 is not set
+# CONFIG_USB_GADGET_GOKU is not set
+# CONFIG_USB_GADGET_LH7A40X is not set
+# CONFIG_USB_GADGET_OMAP is not set
+# CONFIG_USB_GADGET_S3C2410 is not set
+CONFIG_USB_GADGET_AT91=y
+CONFIG_USB_AT91=y
+# CONFIG_USB_GADGET_DUMMY_HCD is not set
+# CONFIG_USB_GADGET_DUALSPEED is not set
+CONFIG_USB_ZERO=m
+# CONFIG_USB_ETH is not set
+CONFIG_USB_GADGETFS=m
+CONFIG_USB_FILE_STORAGE=m
+# CONFIG_USB_FILE_STORAGE_TEST is not set
+CONFIG_USB_G_SERIAL=m
+# CONFIG_USB_MIDI_GADGET is not set
+CONFIG_MMC=y
# CONFIG_MMC_DEBUG is not set
# CONFIG_MMC_UNSAFE_RESUME is not set
#
# MMC/SD Card Drivers
#
-CONFIG_MMC_BLOCK=m
+CONFIG_MMC_BLOCK=y
+CONFIG_MMC_BLOCK_BOUNCE=y
+# CONFIG_SDIO_UART is not set
#
# MMC/SD Host Controller Drivers
#
-CONFIG_MMC_PXA=m
+CONFIG_MMC_AT91=y
+# CONFIG_MMC_SPI is not set
+CONFIG_NEW_LEDS=y
+CONFIG_LEDS_CLASS=y
#
-# Real Time Clock
+# LED drivers
#
+CONFIG_LEDS_ATMEL_PWM=y
+CONFIG_LEDS_GPIO=y
+
+#
+# LED Triggers
+#
+CONFIG_LEDS_TRIGGERS=y
+CONFIG_LEDS_TRIGGER_TIMER=y
+CONFIG_LEDS_TRIGGER_HEARTBEAT=y
CONFIG_RTC_LIB=y
-CONFIG_RTC_CLASS=m
+CONFIG_RTC_CLASS=y
+CONFIG_RTC_HCTOSYS=y
+CONFIG_RTC_HCTOSYS_DEVICE="rtc0"
+# CONFIG_RTC_DEBUG is not set
#
# RTC interfaces
@@ -970,26 +957,28 @@ CONFIG_RTC_INTF_DEV=y
# CONFIG_RTC_DRV_TEST is not set
#
-# I2C RTC drivers
-#
-
-#
# SPI RTC drivers
#
+# CONFIG_RTC_DRV_RS5C348 is not set
+# CONFIG_RTC_DRV_MAX6902 is not set
#
# Platform RTC drivers
#
# CONFIG_RTC_DRV_CMOS is not set
# CONFIG_RTC_DRV_DS1553 is not set
+# CONFIG_RTC_DRV_STK17TA8 is not set
# CONFIG_RTC_DRV_DS1742 is not set
# CONFIG_RTC_DRV_M48T86 is not set
-CONFIG_RTC_DRV_V3020=m
+# CONFIG_RTC_DRV_M48T59 is not set
+# CONFIG_RTC_DRV_V3020 is not set
#
# on-CPU RTC drivers
#
-CONFIG_RTC_DRV_SA1100=m
+CONFIG_RTC_DRV_AT91SAM9=y
+CONFIG_RTC_DRV_AT91SAM9_RTT=0
+CONFIG_RTC_DRV_AT91SAM9_GPBR=0
#
# File systems
@@ -997,14 +986,8 @@ CONFIG_RTC_DRV_SA1100=m
CONFIG_EXT2_FS=y
# CONFIG_EXT2_FS_XATTR is not set
# CONFIG_EXT2_FS_XIP is not set
-CONFIG_EXT3_FS=y
-CONFIG_EXT3_FS_XATTR=y
-# CONFIG_EXT3_FS_POSIX_ACL is not set
-# CONFIG_EXT3_FS_SECURITY is not set
+# CONFIG_EXT3_FS is not set
# CONFIG_EXT4DEV_FS is not set
-CONFIG_JBD=y
-# CONFIG_JBD_DEBUG is not set
-CONFIG_FS_MBCACHE=y
# CONFIG_REISERFS_FS is not set
# CONFIG_JFS_FS is not set
# CONFIG_FS_POSIX_ACL is not set
@@ -1046,7 +1029,6 @@ CONFIG_SYSFS=y
CONFIG_TMPFS=y
# CONFIG_TMPFS_POSIX_ACL is not set
# CONFIG_HUGETLB_PAGE is not set
-CONFIG_RAMFS=y
# CONFIG_CONFIGFS_FS is not set
#
@@ -1062,22 +1044,21 @@ CONFIG_RAMFS=y
CONFIG_JFFS2_FS=y
CONFIG_JFFS2_FS_DEBUG=0
CONFIG_JFFS2_FS_WRITEBUFFER=y
+# CONFIG_JFFS2_FS_WBUF_VERIFY is not set
CONFIG_JFFS2_SUMMARY=y
# CONFIG_JFFS2_FS_XATTR is not set
# CONFIG_JFFS2_COMPRESSION_OPTIONS is not set
CONFIG_JFFS2_ZLIB=y
+# CONFIG_JFFS2_LZO is not set
CONFIG_JFFS2_RTIME=y
# CONFIG_JFFS2_RUBIN is not set
-# CONFIG_CRAMFS is not set
+CONFIG_CRAMFS=y
# CONFIG_VXFS_FS is not set
# CONFIG_HPFS_FS is not set
# CONFIG_QNX4FS_FS is not set
# CONFIG_SYSV_FS is not set
# CONFIG_UFS_FS is not set
-
-#
-# Network File Systems
-#
+CONFIG_NETWORK_FILESYSTEMS=y
CONFIG_NFS_FS=y
CONFIG_NFS_V3=y
# CONFIG_NFS_V3_ACL is not set
@@ -1092,29 +1073,23 @@ CONFIG_SUNRPC=y
# CONFIG_SUNRPC_BIND34 is not set
# CONFIG_RPCSEC_GSS_KRB5 is not set
# CONFIG_RPCSEC_GSS_SPKM3 is not set
-CONFIG_SMB_FS=y
-# CONFIG_SMB_NLS_DEFAULT is not set
+# CONFIG_SMB_FS is not set
# CONFIG_CIFS is not set
# CONFIG_NCP_FS is not set
# CONFIG_CODA_FS is not set
# CONFIG_AFS_FS is not set
-# CONFIG_9P_FS is not set
#
# Partition Types
#
# CONFIG_PARTITION_ADVANCED is not set
CONFIG_MSDOS_PARTITION=y
-
-#
-# Native Language Support
-#
CONFIG_NLS=y
CONFIG_NLS_DEFAULT="iso8859-1"
CONFIG_NLS_CODEPAGE_437=y
# CONFIG_NLS_CODEPAGE_737 is not set
# CONFIG_NLS_CODEPAGE_775 is not set
-# CONFIG_NLS_CODEPAGE_850 is not set
+CONFIG_NLS_CODEPAGE_850=y
# CONFIG_NLS_CODEPAGE_852 is not set
# CONFIG_NLS_CODEPAGE_855 is not set
# CONFIG_NLS_CODEPAGE_857 is not set
@@ -1145,108 +1120,36 @@ CONFIG_NLS_ISO8859_1=y
# CONFIG_NLS_ISO8859_9 is not set
# CONFIG_NLS_ISO8859_13 is not set
# CONFIG_NLS_ISO8859_14 is not set
-# CONFIG_NLS_ISO8859_15 is not set
+CONFIG_NLS_ISO8859_15=y
# CONFIG_NLS_KOI8_R is not set
# CONFIG_NLS_KOI8_U is not set
CONFIG_NLS_UTF8=y
-
-#
-# Distributed Lock Manager
-#
# CONFIG_DLM is not set
-
-#
-# Profiling support
-#
-# CONFIG_PROFILING is not set
+# CONFIG_INSTRUMENTATION is not set
#
# Kernel hacking
#
# CONFIG_PRINTK_TIME is not set
+# CONFIG_ENABLE_WARN_DEPRECATED is not set
CONFIG_ENABLE_MUST_CHECK=y
-CONFIG_MAGIC_SYSRQ=y
+# CONFIG_MAGIC_SYSRQ is not set
# CONFIG_UNUSED_SYMBOLS is not set
# CONFIG_DEBUG_FS is not set
# CONFIG_HEADERS_CHECK is not set
-CONFIG_DEBUG_KERNEL=y
-# CONFIG_DEBUG_SHIRQ is not set
-# CONFIG_DETECT_SOFTLOCKUP is not set
-# CONFIG_SCHEDSTATS is not set
-# CONFIG_TIMER_STATS is not set
-# CONFIG_DEBUG_SLAB is not set
-# CONFIG_DEBUG_RT_MUTEXES is not set
-# CONFIG_RT_MUTEX_TESTER is not set
-# CONFIG_DEBUG_SPINLOCK is not set
-# CONFIG_DEBUG_MUTEXES is not set
-# CONFIG_DEBUG_LOCK_ALLOC is not set
-# CONFIG_PROVE_LOCKING is not set
-# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
-# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
-# CONFIG_DEBUG_KOBJECT is not set
-# CONFIG_DEBUG_BUGVERBOSE is not set
-CONFIG_DEBUG_INFO=y
-# CONFIG_DEBUG_VM is not set
-# CONFIG_DEBUG_LIST is not set
+# CONFIG_DEBUG_KERNEL is not set
+CONFIG_DEBUG_BUGVERBOSE=y
CONFIG_FRAME_POINTER=y
-CONFIG_FORCED_INLINING=y
-# CONFIG_RCU_TORTURE_TEST is not set
-# CONFIG_FAULT_INJECTION is not set
-CONFIG_DEBUG_USER=y
-CONFIG_DEBUG_ERRORS=y
-CONFIG_DEBUG_LL=y
-# CONFIG_DEBUG_ICEDCC is not set
+# CONFIG_SAMPLES is not set
+# CONFIG_DEBUG_USER is not set
#
# Security options
#
# CONFIG_KEYS is not set
# CONFIG_SECURITY is not set
-
-#
-# Cryptographic options
-#
-CONFIG_CRYPTO=y
-CONFIG_CRYPTO_ALGAPI=m
-CONFIG_CRYPTO_BLKCIPHER=m
-CONFIG_CRYPTO_MANAGER=m
-# CONFIG_CRYPTO_HMAC is not set
-# CONFIG_CRYPTO_XCBC is not set
-# CONFIG_CRYPTO_NULL is not set
-# CONFIG_CRYPTO_MD4 is not set
-# CONFIG_CRYPTO_MD5 is not set
-# CONFIG_CRYPTO_SHA1 is not set
-# CONFIG_CRYPTO_SHA256 is not set
-# CONFIG_CRYPTO_SHA512 is not set
-# CONFIG_CRYPTO_WP512 is not set
-# CONFIG_CRYPTO_TGR192 is not set
-# CONFIG_CRYPTO_GF128MUL is not set
-CONFIG_CRYPTO_ECB=m
-CONFIG_CRYPTO_CBC=m
-CONFIG_CRYPTO_PCBC=m
-# CONFIG_CRYPTO_LRW is not set
-# CONFIG_CRYPTO_CRYPTD is not set
-# CONFIG_CRYPTO_DES is not set
-# CONFIG_CRYPTO_FCRYPT is not set
-# CONFIG_CRYPTO_BLOWFISH is not set
-# CONFIG_CRYPTO_TWOFISH is not set
-# CONFIG_CRYPTO_SERPENT is not set
-CONFIG_CRYPTO_AES=m
-# CONFIG_CRYPTO_CAST5 is not set
-# CONFIG_CRYPTO_CAST6 is not set
-# CONFIG_CRYPTO_TEA is not set
-CONFIG_CRYPTO_ARC4=m
-# CONFIG_CRYPTO_KHAZAD is not set
-# CONFIG_CRYPTO_ANUBIS is not set
-# CONFIG_CRYPTO_DEFLATE is not set
-# CONFIG_CRYPTO_MICHAEL_MIC is not set
-# CONFIG_CRYPTO_CRC32C is not set
-# CONFIG_CRYPTO_CAMELLIA is not set
-# CONFIG_CRYPTO_TEST is not set
-
-#
-# Hardware crypto devices
-#
+# CONFIG_SECURITY_FILE_CAPABILITIES is not set
+# CONFIG_CRYPTO is not set
#
# Library routines
@@ -1256,10 +1159,10 @@ CONFIG_BITREVERSE=y
# CONFIG_CRC16 is not set
# CONFIG_CRC_ITU_T is not set
CONFIG_CRC32=y
+# CONFIG_CRC7 is not set
# CONFIG_LIBCRC32C is not set
CONFIG_ZLIB_INFLATE=y
CONFIG_ZLIB_DEFLATE=y
CONFIG_PLIST=y
CONFIG_HAS_IOMEM=y
CONFIG_HAS_IOPORT=y
-CONFIG_HAS_DMA=y
diff --git a/arch/arm/configs/at91sam9rlek_defconfig b/arch/arm/configs/at91sam9rlek_defconfig
index 98e6746d02b..d8ec5f9ca6e 100644
--- a/arch/arm/configs/at91sam9rlek_defconfig
+++ b/arch/arm/configs/at91sam9rlek_defconfig
@@ -211,7 +211,6 @@ CONFIG_CPU_CP15_MMU=y
#
# CONFIG_TICK_ONESHOT is not set
# CONFIG_PREEMPT is not set
-# CONFIG_NO_IDLE_HZ is not set
CONFIG_HZ=100
# CONFIG_AEABI is not set
# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
diff --git a/arch/arm/configs/ateb9200_defconfig b/arch/arm/configs/ateb9200_defconfig
index d846a492e5c..85c80f723d8 100644
--- a/arch/arm/configs/ateb9200_defconfig
+++ b/arch/arm/configs/ateb9200_defconfig
@@ -171,7 +171,6 @@ CONFIG_AT91_CF=m
# Kernel Features
#
CONFIG_PREEMPT=y
-CONFIG_NO_IDLE_HZ=y
CONFIG_HZ=100
# CONFIG_AEABI is not set
# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
diff --git a/arch/arm/configs/collie_defconfig b/arch/arm/configs/collie_defconfig
index 4264e273202..f7622e65816 100644
--- a/arch/arm/configs/collie_defconfig
+++ b/arch/arm/configs/collie_defconfig
@@ -166,7 +166,6 @@ CONFIG_PCMCIA_SA1100=y
# Kernel Features
#
# CONFIG_PREEMPT is not set
-# CONFIG_NO_IDLE_HZ is not set
CONFIG_HZ=100
# CONFIG_AEABI is not set
CONFIG_ARCH_DISCONTIGMEM_ENABLE=y
diff --git a/arch/arm/configs/corgi_defconfig b/arch/arm/configs/corgi_defconfig
index e8980a9bb89..9b8748a8d9d 100644
--- a/arch/arm/configs/corgi_defconfig
+++ b/arch/arm/configs/corgi_defconfig
@@ -165,7 +165,6 @@ CONFIG_PCMCIA_PXA2XX=y
# Kernel Features
#
CONFIG_PREEMPT=y
-# CONFIG_NO_IDLE_HZ is not set
# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
CONFIG_SELECT_MEMORY_MODEL=y
CONFIG_FLATMEM_MANUAL=y
diff --git a/arch/arm/configs/ecbat91_defconfig b/arch/arm/configs/ecbat91_defconfig
index 90ed214e367..cfeb817ad21 100644
--- a/arch/arm/configs/ecbat91_defconfig
+++ b/arch/arm/configs/ecbat91_defconfig
@@ -230,7 +230,6 @@ CONFIG_AT91_CF=y
#
# CONFIG_TICK_ONESHOT is not set
CONFIG_PREEMPT=y
-# CONFIG_NO_IDLE_HZ is not set
CONFIG_HZ=100
# CONFIG_AEABI is not set
# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
diff --git a/arch/arm/configs/ep93xx_defconfig b/arch/arm/configs/ep93xx_defconfig
index 24a701ab33e..21aa013793c 100644
--- a/arch/arm/configs/ep93xx_defconfig
+++ b/arch/arm/configs/ep93xx_defconfig
@@ -184,7 +184,6 @@ CONFIG_ARM_AMBA=y
# Kernel Features
#
# CONFIG_PREEMPT is not set
-# CONFIG_NO_IDLE_HZ is not set
CONFIG_HZ=100
# CONFIG_AEABI is not set
# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
diff --git a/arch/arm/configs/eseries_pxa_defconfig b/arch/arm/configs/eseries_pxa_defconfig
index ed487b90dbe..493ecee24f9 100644
--- a/arch/arm/configs/eseries_pxa_defconfig
+++ b/arch/arm/configs/eseries_pxa_defconfig
@@ -251,7 +251,6 @@ CONFIG_PCMCIA_PXA2XX=m
# Kernel Features
#
# CONFIG_PREEMPT is not set
-# CONFIG_NO_IDLE_HZ is not set
CONFIG_HZ=100
CONFIG_AEABI=y
CONFIG_OABI_COMPAT=y
diff --git a/arch/arm/configs/imx27ads_defconfig b/arch/arm/configs/imx27ads_defconfig
new file mode 100644
index 00000000000..bcd95b8dd2d
--- /dev/null
+++ b/arch/arm/configs/imx27ads_defconfig
@@ -0,0 +1,826 @@
+#
+# Automatically generated make config: don't edit
+# Linux kernel version: 2.6.26-rc6
+# Fri Jun 20 16:29:34 2008
+#
+CONFIG_ARM=y
+CONFIG_SYS_SUPPORTS_APM_EMULATION=y
+CONFIG_GENERIC_GPIO=y
+CONFIG_GENERIC_TIME=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+CONFIG_MMU=y
+# CONFIG_NO_IOPORT is not set
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
+CONFIG_HARDIRQS_SW_RESEND=y
+CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+# CONFIG_ARCH_HAS_ILOG2_U32 is not set
+# CONFIG_ARCH_HAS_ILOG2_U64 is not set
+CONFIG_GENERIC_HWEIGHT=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_ARCH_SUPPORTS_AOUT=y
+CONFIG_ZONE_DMA=y
+CONFIG_ARCH_MTD_XIP=y
+CONFIG_VECTORS_BASE=0xffff0000
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+
+#
+# General setup
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_BROKEN_ON_SMP=y
+CONFIG_LOCK_KERNEL=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+CONFIG_LOCALVERSION=""
+CONFIG_LOCALVERSION_AUTO=y
+# CONFIG_SWAP is not set
+CONFIG_SYSVIPC=y
+CONFIG_SYSVIPC_SYSCTL=y
+CONFIG_POSIX_MQUEUE=y
+# CONFIG_BSD_PROCESS_ACCT is not set
+# CONFIG_TASKSTATS is not set
+# CONFIG_AUDIT is not set
+# CONFIG_IKCONFIG is not set
+CONFIG_LOG_BUF_SHIFT=14
+# CONFIG_CGROUPS is not set
+# CONFIG_GROUP_SCHED is not set
+CONFIG_SYSFS_DEPRECATED=y
+CONFIG_SYSFS_DEPRECATED_V2=y
+# CONFIG_RELAY is not set
+# CONFIG_NAMESPACES is not set
+# CONFIG_BLK_DEV_INITRD is not set
+# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
+CONFIG_SYSCTL=y
+CONFIG_EMBEDDED=y
+CONFIG_UID16=y
+CONFIG_SYSCTL_SYSCALL=y
+CONFIG_SYSCTL_SYSCALL_CHECK=y
+CONFIG_KALLSYMS=y
+CONFIG_KALLSYMS_EXTRA_PASS=y
+CONFIG_HOTPLUG=y
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_ELF_CORE=y
+CONFIG_COMPAT_BRK=y
+CONFIG_BASE_FULL=y
+CONFIG_FUTEX=y
+CONFIG_ANON_INODES=y
+CONFIG_EPOLL=y
+CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
+CONFIG_EVENTFD=y
+CONFIG_SHMEM=y
+CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_SLAB=y
+# CONFIG_SLUB is not set
+# CONFIG_SLOB is not set
+# CONFIG_PROFILING is not set
+# CONFIG_MARKERS is not set
+CONFIG_HAVE_OPROFILE=y
+# CONFIG_KPROBES is not set
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+# CONFIG_HAVE_DMA_ATTRS is not set
+CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_SLABINFO=y
+CONFIG_RT_MUTEXES=y
+# CONFIG_TINY_SHMEM is not set
+CONFIG_BASE_SMALL=0
+CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
+CONFIG_MODULE_UNLOAD=y
+# CONFIG_MODULE_FORCE_UNLOAD is not set
+# CONFIG_MODVERSIONS is not set
+# CONFIG_MODULE_SRCVERSION_ALL is not set
+# CONFIG_KMOD is not set
+CONFIG_BLOCK=y
+# CONFIG_LBD is not set
+# CONFIG_BLK_DEV_IO_TRACE is not set
+# CONFIG_LSF is not set
+# CONFIG_BLK_DEV_BSG is not set
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+# CONFIG_IOSCHED_AS is not set
+# CONFIG_IOSCHED_DEADLINE is not set
+# CONFIG_IOSCHED_CFQ is not set
+# CONFIG_DEFAULT_AS is not set
+# CONFIG_DEFAULT_DEADLINE is not set
+# CONFIG_DEFAULT_CFQ is not set
+CONFIG_DEFAULT_NOOP=y
+CONFIG_DEFAULT_IOSCHED="noop"
+CONFIG_CLASSIC_RCU=y
+
+#
+# System Type
+#
+# CONFIG_ARCH_AAEC2000 is not set
+# CONFIG_ARCH_INTEGRATOR is not set
+# CONFIG_ARCH_REALVIEW is not set
+# CONFIG_ARCH_VERSATILE is not set
+# CONFIG_ARCH_AT91 is not set
+# CONFIG_ARCH_CLPS7500 is not set
+# CONFIG_ARCH_CLPS711X is not set
+# CONFIG_ARCH_CO285 is not set
+# CONFIG_ARCH_EBSA110 is not set
+# CONFIG_ARCH_EP93XX is not set
+# CONFIG_ARCH_FOOTBRIDGE is not set
+# CONFIG_ARCH_NETX is not set
+# CONFIG_ARCH_H720X is not set
+# CONFIG_ARCH_IMX is not set
+# CONFIG_ARCH_IOP13XX is not set
+# CONFIG_ARCH_IOP32X is not set
+# CONFIG_ARCH_IOP33X is not set
+# CONFIG_ARCH_IXP23XX is not set
+# CONFIG_ARCH_IXP2000 is not set
+# CONFIG_ARCH_IXP4XX is not set
+# CONFIG_ARCH_L7200 is not set
+# CONFIG_ARCH_KS8695 is not set
+# CONFIG_ARCH_NS9XXX is not set
+CONFIG_ARCH_MXC=y
+# CONFIG_ARCH_ORION5X is not set
+# CONFIG_ARCH_PNX4008 is not set
+# CONFIG_ARCH_PXA is not set
+# CONFIG_ARCH_RPC is not set
+# CONFIG_ARCH_SA1100 is not set
+# CONFIG_ARCH_S3C2410 is not set
+# CONFIG_ARCH_SHARK is not set
+# CONFIG_ARCH_LH7A40X is not set
+# CONFIG_ARCH_DAVINCI is not set
+# CONFIG_ARCH_OMAP is not set
+# CONFIG_ARCH_MSM7X00A is not set
+
+#
+# Boot options
+#
+
+#
+# Power management
+#
+
+#
+# Freescale MXC Implementations
+#
+CONFIG_ARCH_MX2=y
+# CONFIG_ARCH_MX3 is not set
+
+#
+# MX2 family CPU support
+#
+CONFIG_MACH_MX27=y
+
+#
+# MX2 Platforms
+#
+CONFIG_MACH_MX27ADS=y
+# CONFIG_MACH_PCM038 is not set
+
+#
+# Processor Type
+#
+CONFIG_CPU_32=y
+CONFIG_CPU_ARM926T=y
+CONFIG_CPU_32v5=y
+CONFIG_CPU_ABRT_EV5TJ=y
+CONFIG_CPU_PABRT_NOIFAR=y
+CONFIG_CPU_CACHE_VIVT=y
+CONFIG_CPU_COPY_V4WB=y
+CONFIG_CPU_TLB_V4WBI=y
+CONFIG_CPU_CP15=y
+CONFIG_CPU_CP15_MMU=y
+
+#
+# Processor Features
+#
+CONFIG_ARM_THUMB=y
+# CONFIG_CPU_ICACHE_DISABLE is not set
+# CONFIG_CPU_DCACHE_DISABLE is not set
+# CONFIG_CPU_DCACHE_WRITETHROUGH is not set
+# CONFIG_CPU_CACHE_ROUND_ROBIN is not set
+# CONFIG_OUTER_CACHE is not set
+
+#
+# Bus support
+#
+# CONFIG_PCI_SYSCALL is not set
+# CONFIG_ARCH_SUPPORTS_MSI is not set
+# CONFIG_PCCARD is not set
+
+#
+# Kernel Features
+#
+CONFIG_TICK_ONESHOT=y
+CONFIG_NO_HZ=y
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
+CONFIG_PREEMPT=y
+CONFIG_HZ=100
+CONFIG_AEABI=y
+# CONFIG_OABI_COMPAT is not set
+# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+# CONFIG_SPARSEMEM_STATIC is not set
+# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
+CONFIG_PAGEFLAGS_EXTENDED=y
+CONFIG_SPLIT_PTLOCK_CPUS=4096
+# CONFIG_RESOURCES_64BIT is not set
+CONFIG_ZONE_DMA_FLAG=1
+CONFIG_BOUNCE=y
+CONFIG_VIRT_TO_BUS=y
+CONFIG_ALIGNMENT_TRAP=y
+
+#
+# Boot options
+#
+CONFIG_ZBOOT_ROM_TEXT=0x0
+CONFIG_ZBOOT_ROM_BSS=0x0
+CONFIG_CMDLINE=""
+# CONFIG_XIP_KERNEL is not set
+# CONFIG_KEXEC is not set
+
+#
+# Floating point emulation
+#
+
+#
+# At least one emulation must be selected
+#
+# CONFIG_VFP is not set
+
+#
+# Userspace binary formats
+#
+CONFIG_BINFMT_ELF=y
+# CONFIG_BINFMT_AOUT is not set
+# CONFIG_BINFMT_MISC is not set
+
+#
+# Power management options
+#
+# CONFIG_PM is not set
+CONFIG_ARCH_SUSPEND_POSSIBLE=y
+
+#
+# Networking
+#
+CONFIG_NET=y
+
+#
+# Networking options
+#
+CONFIG_PACKET=y
+CONFIG_PACKET_MMAP=y
+CONFIG_UNIX=y
+# CONFIG_NET_KEY is not set
+CONFIG_INET=y
+CONFIG_IP_MULTICAST=y
+# CONFIG_IP_ADVANCED_ROUTER is not set
+CONFIG_IP_FIB_HASH=y
+CONFIG_IP_PNP=y
+# CONFIG_IP_PNP_DHCP is not set
+# CONFIG_IP_PNP_BOOTP is not set
+# CONFIG_IP_PNP_RARP is not set
+# CONFIG_NET_IPIP is not set
+# CONFIG_NET_IPGRE is not set
+# CONFIG_IP_MROUTE is not set
+# CONFIG_ARPD is not set
+# CONFIG_SYN_COOKIES is not set
+# CONFIG_INET_AH is not set
+# CONFIG_INET_ESP is not set
+# CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_XFRM_TUNNEL is not set
+# CONFIG_INET_TUNNEL is not set
+# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
+# CONFIG_INET_XFRM_MODE_TUNNEL is not set
+# CONFIG_INET_XFRM_MODE_BEET is not set
+# CONFIG_INET_LRO is not set
+# CONFIG_INET_DIAG is not set
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_CUBIC=y
+CONFIG_DEFAULT_TCP_CONG="cubic"
+# CONFIG_TCP_MD5SIG is not set
+# CONFIG_IPV6 is not set
+# CONFIG_NETWORK_SECMARK is not set
+# CONFIG_NETFILTER is not set
+# CONFIG_IP_DCCP is not set
+# CONFIG_IP_SCTP is not set
+# CONFIG_TIPC is not set
+# CONFIG_ATM is not set
+# CONFIG_BRIDGE is not set
+# CONFIG_VLAN_8021Q is not set
+# CONFIG_DECNET is not set
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# CONFIG_ATALK is not set
+# CONFIG_X25 is not set
+# CONFIG_LAPB is not set
+# CONFIG_ECONET is not set
+# CONFIG_WAN_ROUTER is not set
+# CONFIG_NET_SCHED is not set
+
+#
+# Network testing
+#
+# CONFIG_NET_PKTGEN is not set
+# CONFIG_HAMRADIO is not set
+# CONFIG_CAN is not set
+# CONFIG_IRDA is not set
+# CONFIG_BT is not set
+# CONFIG_AF_RXRPC is not set
+
+#
+# Wireless
+#
+# CONFIG_CFG80211 is not set
+# CONFIG_WIRELESS_EXT is not set
+# CONFIG_MAC80211 is not set
+# CONFIG_IEEE80211 is not set
+# CONFIG_RFKILL is not set
+# CONFIG_NET_9P is not set
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+CONFIG_STANDALONE=y
+CONFIG_PREVENT_FIRMWARE_BUILD=y
+# CONFIG_FW_LOADER is not set
+# CONFIG_SYS_HYPERVISOR is not set
+# CONFIG_CONNECTOR is not set
+CONFIG_MTD=y
+# CONFIG_MTD_DEBUG is not set
+# CONFIG_MTD_CONCAT is not set
+CONFIG_MTD_PARTITIONS=y
+# CONFIG_MTD_REDBOOT_PARTS is not set
+CONFIG_MTD_CMDLINE_PARTS=y
+# CONFIG_MTD_AFS_PARTS is not set
+# CONFIG_MTD_AR7_PARTS is not set
+
+#
+# User Modules And Translation Layers
+#
+CONFIG_MTD_CHAR=y
+CONFIG_MTD_BLKDEVS=y
+CONFIG_MTD_BLOCK=y
+# CONFIG_FTL is not set
+# CONFIG_NFTL is not set
+# CONFIG_INFTL is not set
+# CONFIG_RFD_FTL is not set
+# CONFIG_SSFDC is not set
+# CONFIG_MTD_OOPS is not set
+
+#
+# RAM/ROM/Flash chip drivers
+#
+CONFIG_MTD_CFI=y
+# CONFIG_MTD_JEDECPROBE is not set
+CONFIG_MTD_GEN_PROBE=y
+CONFIG_MTD_CFI_ADV_OPTIONS=y
+CONFIG_MTD_CFI_NOSWAP=y
+# CONFIG_MTD_CFI_BE_BYTE_SWAP is not set
+# CONFIG_MTD_CFI_LE_BYTE_SWAP is not set
+CONFIG_MTD_CFI_GEOMETRY=y
+# CONFIG_MTD_MAP_BANK_WIDTH_1 is not set
+CONFIG_MTD_MAP_BANK_WIDTH_2=y
+# CONFIG_MTD_MAP_BANK_WIDTH_4 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
+CONFIG_MTD_CFI_I1=y
+# CONFIG_MTD_CFI_I2 is not set
+# CONFIG_MTD_CFI_I4 is not set
+# CONFIG_MTD_CFI_I8 is not set
+# CONFIG_MTD_OTP is not set
+CONFIG_MTD_CFI_INTELEXT=y
+# CONFIG_MTD_CFI_AMDSTD is not set
+# CONFIG_MTD_CFI_STAA is not set
+CONFIG_MTD_CFI_UTIL=y
+# CONFIG_MTD_RAM is not set
+# CONFIG_MTD_ROM is not set
+# CONFIG_MTD_ABSENT is not set
+# CONFIG_MTD_XIP is not set
+
+#
+# Mapping drivers for chip access
+#
+# CONFIG_MTD_COMPLEX_MAPPINGS is not set
+CONFIG_MTD_PHYSMAP=y
+CONFIG_MTD_PHYSMAP_START=0x00000000
+CONFIG_MTD_PHYSMAP_LEN=0x0
+CONFIG_MTD_PHYSMAP_BANKWIDTH=2
+# CONFIG_MTD_ARM_INTEGRATOR is not set
+# CONFIG_MTD_PLATRAM is not set
+
+#
+# Self-contained MTD device drivers
+#
+# CONFIG_MTD_SLRAM is not set
+# CONFIG_MTD_PHRAM is not set
+# CONFIG_MTD_MTDRAM is not set
+# CONFIG_MTD_BLOCK2MTD is not set
+
+#
+# Disk-On-Chip Device Drivers
+#
+# CONFIG_MTD_DOC2000 is not set
+# CONFIG_MTD_DOC2001 is not set
+# CONFIG_MTD_DOC2001PLUS is not set
+# CONFIG_MTD_NAND is not set
+# CONFIG_MTD_ONENAND is not set
+
+#
+# UBI - Unsorted block images
+#
+# CONFIG_MTD_UBI is not set
+# CONFIG_PARPORT is not set
+CONFIG_BLK_DEV=y
+# CONFIG_BLK_DEV_COW_COMMON is not set
+# CONFIG_BLK_DEV_LOOP is not set
+# CONFIG_BLK_DEV_NBD is not set
+# CONFIG_BLK_DEV_RAM is not set
+# CONFIG_CDROM_PKTCDVD is not set
+# CONFIG_ATA_OVER_ETH is not set
+# CONFIG_MISC_DEVICES is not set
+CONFIG_HAVE_IDE=y
+# CONFIG_IDE is not set
+
+#
+# SCSI device support
+#
+# CONFIG_RAID_ATTRS is not set
+# CONFIG_SCSI is not set
+# CONFIG_SCSI_DMA is not set
+# CONFIG_SCSI_NETLINK is not set
+# CONFIG_ATA is not set
+# CONFIG_MD is not set
+CONFIG_NETDEVICES=y
+# CONFIG_NETDEVICES_MULTIQUEUE is not set
+# CONFIG_DUMMY is not set
+# CONFIG_BONDING is not set
+# CONFIG_MACVLAN is not set
+# CONFIG_EQUALIZER is not set
+# CONFIG_TUN is not set
+# CONFIG_VETH is not set
+# CONFIG_PHYLIB is not set
+CONFIG_NET_ETHERNET=y
+# CONFIG_MII is not set
+# CONFIG_AX88796 is not set
+# CONFIG_SMC91X is not set
+# CONFIG_DM9000 is not set
+# CONFIG_IBM_NEW_EMAC_ZMII is not set
+# CONFIG_IBM_NEW_EMAC_RGMII is not set
+# CONFIG_IBM_NEW_EMAC_TAH is not set
+# CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_B44 is not set
+# CONFIG_FEC_OLD is not set
+# CONFIG_NETDEV_1000 is not set
+# CONFIG_NETDEV_10000 is not set
+
+#
+# Wireless LAN
+#
+# CONFIG_WLAN_PRE80211 is not set
+# CONFIG_WLAN_80211 is not set
+# CONFIG_IWLWIFI_LEDS is not set
+# CONFIG_WAN is not set
+# CONFIG_PPP is not set
+# CONFIG_SLIP is not set
+# CONFIG_NETCONSOLE is not set
+# CONFIG_NETPOLL is not set
+# CONFIG_NET_POLL_CONTROLLER is not set
+# CONFIG_ISDN is not set
+
+#
+# Input device support
+#
+CONFIG_INPUT=y
+# CONFIG_INPUT_FF_MEMLESS is not set
+# CONFIG_INPUT_POLLDEV is not set
+
+#
+# Userland interfaces
+#
+# CONFIG_INPUT_MOUSEDEV is not set
+# CONFIG_INPUT_JOYDEV is not set
+CONFIG_INPUT_EVDEV=y
+# CONFIG_INPUT_EVBUG is not set
+
+#
+# Input Device Drivers
+#
+# CONFIG_INPUT_KEYBOARD is not set
+# CONFIG_INPUT_MOUSE is not set
+# CONFIG_INPUT_JOYSTICK is not set
+# CONFIG_INPUT_TABLET is not set
+CONFIG_INPUT_TOUCHSCREEN=y
+# CONFIG_TOUCHSCREEN_FUJITSU is not set
+# CONFIG_TOUCHSCREEN_GUNZE is not set
+# CONFIG_TOUCHSCREEN_ELO is not set
+# CONFIG_TOUCHSCREEN_MTOUCH is not set
+# CONFIG_TOUCHSCREEN_MK712 is not set
+# CONFIG_TOUCHSCREEN_PENMOUNT is not set
+# CONFIG_TOUCHSCREEN_TOUCHRIGHT is not set
+# CONFIG_TOUCHSCREEN_TOUCHWIN is not set
+# CONFIG_TOUCHSCREEN_UCB1400 is not set
+# CONFIG_INPUT_MISC is not set
+
+#
+# Hardware I/O ports
+#
+# CONFIG_SERIO is not set
+# CONFIG_GAMEPORT is not set
+
+#
+# Character devices
+#
+# CONFIG_VT is not set
+CONFIG_DEVKMEM=y
+# CONFIG_SERIAL_NONSTANDARD is not set
+
+#
+# Serial drivers
+#
+# CONFIG_SERIAL_8250 is not set
+
+#
+# Non-8250 serial port support
+#
+# CONFIG_SERIAL_IMX is not set
+CONFIG_UNIX98_PTYS=y
+# CONFIG_LEGACY_PTYS is not set
+# CONFIG_IPMI_HANDLER is not set
+# CONFIG_HW_RANDOM is not set
+# CONFIG_NVRAM is not set
+# CONFIG_R3964 is not set
+# CONFIG_RAW_DRIVER is not set
+# CONFIG_TCG_TPM is not set
+# CONFIG_I2C is not set
+# CONFIG_SPI is not set
+CONFIG_HAVE_GPIO_LIB=y
+
+#
+# GPIO Support
+#
+
+#
+# I2C GPIO expanders:
+#
+
+#
+# SPI GPIO expanders:
+#
+# CONFIG_W1 is not set
+# CONFIG_POWER_SUPPLY is not set
+# CONFIG_HWMON is not set
+# CONFIG_WATCHDOG is not set
+
+#
+# Sonics Silicon Backplane
+#
+CONFIG_SSB_POSSIBLE=y
+# CONFIG_SSB is not set
+
+#
+# Multifunction device drivers
+#
+# CONFIG_MFD_SM501 is not set
+# CONFIG_MFD_ASIC3 is not set
+# CONFIG_HTC_EGPIO is not set
+# CONFIG_HTC_PASIC3 is not set
+
+#
+# Multimedia devices
+#
+
+#
+# Multimedia core support
+#
+# CONFIG_VIDEO_DEV is not set
+# CONFIG_DVB_CORE is not set
+# CONFIG_VIDEO_MEDIA is not set
+
+#
+# Multimedia drivers
+#
+# CONFIG_DAB is not set
+
+#
+# Graphics support
+#
+# CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
+# CONFIG_FB is not set
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+
+#
+# Display device support
+#
+# CONFIG_DISPLAY_SUPPORT is not set
+
+#
+# Sound
+#
+# CONFIG_SOUND is not set
+# CONFIG_HID_SUPPORT is not set
+# CONFIG_USB_SUPPORT is not set
+# CONFIG_MMC is not set
+# CONFIG_NEW_LEDS is not set
+CONFIG_RTC_LIB=y
+# CONFIG_RTC_CLASS is not set
+# CONFIG_UIO is not set
+
+#
+# File systems
+#
+# CONFIG_EXT2_FS is not set
+# CONFIG_EXT3_FS is not set
+# CONFIG_EXT4DEV_FS is not set
+# CONFIG_REISERFS_FS is not set
+# CONFIG_JFS_FS is not set
+# CONFIG_FS_POSIX_ACL is not set
+# CONFIG_XFS_FS is not set
+# CONFIG_OCFS2_FS is not set
+# CONFIG_DNOTIFY is not set
+# CONFIG_INOTIFY is not set
+# CONFIG_QUOTA is not set
+# CONFIG_AUTOFS_FS is not set
+# CONFIG_AUTOFS4_FS is not set
+# CONFIG_FUSE_FS is not set
+
+#
+# CD-ROM/DVD Filesystems
+#
+# CONFIG_ISO9660_FS is not set
+# CONFIG_UDF_FS is not set
+
+#
+# DOS/FAT/NT Filesystems
+#
+# CONFIG_MSDOS_FS is not set
+# CONFIG_VFAT_FS is not set
+# CONFIG_NTFS_FS is not set
+
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+CONFIG_PROC_SYSCTL=y
+CONFIG_SYSFS=y
+CONFIG_TMPFS=y
+# CONFIG_TMPFS_POSIX_ACL is not set
+# CONFIG_HUGETLB_PAGE is not set
+# CONFIG_CONFIGFS_FS is not set
+
+#
+# Miscellaneous filesystems
+#
+# CONFIG_ADFS_FS is not set
+# CONFIG_AFFS_FS is not set
+# CONFIG_HFS_FS is not set
+# CONFIG_HFSPLUS_FS is not set
+# CONFIG_BEFS_FS is not set
+# CONFIG_BFS_FS is not set
+# CONFIG_EFS_FS is not set
+CONFIG_JFFS2_FS=y
+CONFIG_JFFS2_FS_DEBUG=0
+CONFIG_JFFS2_FS_WRITEBUFFER=y
+# CONFIG_JFFS2_FS_WBUF_VERIFY is not set
+# CONFIG_JFFS2_SUMMARY is not set
+# CONFIG_JFFS2_FS_XATTR is not set
+# CONFIG_JFFS2_COMPRESSION_OPTIONS is not set
+CONFIG_JFFS2_ZLIB=y
+# CONFIG_JFFS2_LZO is not set
+CONFIG_JFFS2_RTIME=y
+# CONFIG_JFFS2_RUBIN is not set
+# CONFIG_CRAMFS is not set
+# CONFIG_VXFS_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_HPFS_FS is not set
+# CONFIG_QNX4FS_FS is not set
+# CONFIG_ROMFS_FS is not set
+# CONFIG_SYSV_FS is not set
+# CONFIG_UFS_FS is not set
+CONFIG_NETWORK_FILESYSTEMS=y
+CONFIG_NFS_FS=y
+CONFIG_NFS_V3=y
+# CONFIG_NFS_V3_ACL is not set
+# CONFIG_NFS_V4 is not set
+# CONFIG_NFSD is not set
+CONFIG_ROOT_NFS=y
+CONFIG_LOCKD=y
+CONFIG_LOCKD_V4=y
+CONFIG_NFS_COMMON=y
+CONFIG_SUNRPC=y
+# CONFIG_SUNRPC_BIND34 is not set
+# CONFIG_RPCSEC_GSS_KRB5 is not set
+# CONFIG_RPCSEC_GSS_SPKM3 is not set
+# CONFIG_SMB_FS is not set
+# CONFIG_CIFS is not set
+# CONFIG_NCP_FS is not set
+# CONFIG_CODA_FS is not set
+# CONFIG_AFS_FS is not set
+
+#
+# Partition Types
+#
+# CONFIG_PARTITION_ADVANCED is not set
+CONFIG_MSDOS_PARTITION=y
+CONFIG_NLS=y
+CONFIG_NLS_DEFAULT="iso8859-1"
+CONFIG_NLS_CODEPAGE_437=m
+# CONFIG_NLS_CODEPAGE_737 is not set
+# CONFIG_NLS_CODEPAGE_775 is not set
+CONFIG_NLS_CODEPAGE_850=m
+# CONFIG_NLS_CODEPAGE_852 is not set
+# CONFIG_NLS_CODEPAGE_855 is not set
+# CONFIG_NLS_CODEPAGE_857 is not set
+# CONFIG_NLS_CODEPAGE_860 is not set
+# CONFIG_NLS_CODEPAGE_861 is not set
+# CONFIG_NLS_CODEPAGE_862 is not set
+# CONFIG_NLS_CODEPAGE_863 is not set
+# CONFIG_NLS_CODEPAGE_864 is not set
+# CONFIG_NLS_CODEPAGE_865 is not set
+# CONFIG_NLS_CODEPAGE_866 is not set
+# CONFIG_NLS_CODEPAGE_869 is not set
+# CONFIG_NLS_CODEPAGE_936 is not set
+# CONFIG_NLS_CODEPAGE_950 is not set
+# CONFIG_NLS_CODEPAGE_932 is not set
+# CONFIG_NLS_CODEPAGE_949 is not set
+# CONFIG_NLS_CODEPAGE_874 is not set
+# CONFIG_NLS_ISO8859_8 is not set
+# CONFIG_NLS_CODEPAGE_1250 is not set
+# CONFIG_NLS_CODEPAGE_1251 is not set
+# CONFIG_NLS_ASCII is not set
+CONFIG_NLS_ISO8859_1=y
+# CONFIG_NLS_ISO8859_2 is not set
+# CONFIG_NLS_ISO8859_3 is not set
+# CONFIG_NLS_ISO8859_4 is not set
+# CONFIG_NLS_ISO8859_5 is not set
+# CONFIG_NLS_ISO8859_6 is not set
+# CONFIG_NLS_ISO8859_7 is not set
+# CONFIG_NLS_ISO8859_9 is not set
+# CONFIG_NLS_ISO8859_13 is not set
+# CONFIG_NLS_ISO8859_14 is not set
+CONFIG_NLS_ISO8859_15=m
+# CONFIG_NLS_KOI8_R is not set
+# CONFIG_NLS_KOI8_U is not set
+# CONFIG_NLS_UTF8 is not set
+# CONFIG_DLM is not set
+
+#
+# Kernel hacking
+#
+# CONFIG_PRINTK_TIME is not set
+CONFIG_ENABLE_WARN_DEPRECATED=y
+CONFIG_ENABLE_MUST_CHECK=y
+CONFIG_FRAME_WARN=1024
+# CONFIG_MAGIC_SYSRQ is not set
+# CONFIG_UNUSED_SYMBOLS is not set
+# CONFIG_DEBUG_FS is not set
+# CONFIG_HEADERS_CHECK is not set
+# CONFIG_DEBUG_KERNEL is not set
+# CONFIG_DEBUG_BUGVERBOSE is not set
+CONFIG_FRAME_POINTER=y
+# CONFIG_SAMPLES is not set
+# CONFIG_DEBUG_USER is not set
+
+#
+# Security options
+#
+# CONFIG_KEYS is not set
+# CONFIG_SECURITY is not set
+# CONFIG_SECURITY_FILE_CAPABILITIES is not set
+# CONFIG_CRYPTO is not set
+
+#
+# Library routines
+#
+CONFIG_BITREVERSE=y
+# CONFIG_GENERIC_FIND_FIRST_BIT is not set
+# CONFIG_GENERIC_FIND_NEXT_BIT is not set
+# CONFIG_CRC_CCITT is not set
+# CONFIG_CRC16 is not set
+# CONFIG_CRC_ITU_T is not set
+CONFIG_CRC32=y
+# CONFIG_CRC7 is not set
+# CONFIG_LIBCRC32C is not set
+CONFIG_ZLIB_INFLATE=y
+CONFIG_ZLIB_DEFLATE=y
+CONFIG_PLIST=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
+CONFIG_HAS_DMA=y
diff --git a/arch/arm/configs/iop13xx_defconfig b/arch/arm/configs/iop13xx_defconfig
index 988b4d13e76..482e5706105 100644
--- a/arch/arm/configs/iop13xx_defconfig
+++ b/arch/arm/configs/iop13xx_defconfig
@@ -197,7 +197,6 @@ CONFIG_PCI_LEGACY=y
#
# CONFIG_TICK_ONESHOT is not set
# CONFIG_PREEMPT is not set
-# CONFIG_NO_IDLE_HZ is not set
CONFIG_HZ=100
# CONFIG_AEABI is not set
# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
diff --git a/arch/arm/configs/iop32x_defconfig b/arch/arm/configs/iop32x_defconfig
index 83f40d4041a..8612f58e105 100644
--- a/arch/arm/configs/iop32x_defconfig
+++ b/arch/arm/configs/iop32x_defconfig
@@ -201,7 +201,6 @@ CONFIG_PCI_LEGACY=y
#
# CONFIG_TICK_ONESHOT is not set
# CONFIG_PREEMPT is not set
-# CONFIG_NO_IDLE_HZ is not set
CONFIG_HZ=100
# CONFIG_AEABI is not set
# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
diff --git a/arch/arm/configs/iop33x_defconfig b/arch/arm/configs/iop33x_defconfig
index 917afb5ccfa..8b0098d19d0 100644
--- a/arch/arm/configs/iop33x_defconfig
+++ b/arch/arm/configs/iop33x_defconfig
@@ -197,7 +197,6 @@ CONFIG_PCI_LEGACY=y
#
# CONFIG_TICK_ONESHOT is not set
# CONFIG_PREEMPT is not set
-# CONFIG_NO_IDLE_HZ is not set
CONFIG_HZ=100
# CONFIG_AEABI is not set
# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
diff --git a/arch/arm/configs/ixp2000_defconfig b/arch/arm/configs/ixp2000_defconfig
index f8f9793b526..84680db6c61 100644
--- a/arch/arm/configs/ixp2000_defconfig
+++ b/arch/arm/configs/ixp2000_defconfig
@@ -184,7 +184,6 @@ CONFIG_PCI=y
# Kernel Features
#
# CONFIG_PREEMPT is not set
-# CONFIG_NO_IDLE_HZ is not set
CONFIG_HZ=100
# CONFIG_AEABI is not set
# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
diff --git a/arch/arm/configs/ixp23xx_defconfig b/arch/arm/configs/ixp23xx_defconfig
index 27cf022dd80..4a2f7b2372d 100644
--- a/arch/arm/configs/ixp23xx_defconfig
+++ b/arch/arm/configs/ixp23xx_defconfig
@@ -180,7 +180,6 @@ CONFIG_PCI=y
# Kernel Features
#
# CONFIG_PREEMPT is not set
-# CONFIG_NO_IDLE_HZ is not set
CONFIG_HZ=100
# CONFIG_AEABI is not set
# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
diff --git a/arch/arm/configs/ixp4xx_defconfig b/arch/arm/configs/ixp4xx_defconfig
index efa0485d2f7..fc14932e3ab 100644
--- a/arch/arm/configs/ixp4xx_defconfig
+++ b/arch/arm/configs/ixp4xx_defconfig
@@ -165,6 +165,7 @@ CONFIG_ARCH_PRPMC1100=y
CONFIG_MACH_NAS100D=y
CONFIG_MACH_DSMG600=y
CONFIG_ARCH_IXDP4XX=y
+CONFIG_MACH_FSG=y
CONFIG_CPU_IXP46X=y
CONFIG_CPU_IXP43X=y
CONFIG_MACH_GTWX5715=y
@@ -770,7 +771,7 @@ CONFIG_ATA=y
# CONFIG_SATA_SIL24 is not set
# CONFIG_SATA_SIS is not set
# CONFIG_SATA_ULI is not set
-# CONFIG_SATA_VIA is not set
+CONFIG_SATA_VIA=y
# CONFIG_SATA_VITESSE is not set
# CONFIG_SATA_INIC162X is not set
# CONFIG_PATA_ALI is not set
@@ -1143,7 +1144,7 @@ CONFIG_HWMON=y
# CONFIG_SENSORS_VIA686A is not set
# CONFIG_SENSORS_VT1211 is not set
# CONFIG_SENSORS_VT8231 is not set
-# CONFIG_SENSORS_W83781D is not set
+CONFIG_SENSORS_W83781D=y
# CONFIG_SENSORS_W83791D is not set
# CONFIG_SENSORS_W83792D is not set
# CONFIG_SENSORS_W83793 is not set
@@ -1334,8 +1335,8 @@ CONFIG_LEDS_CLASS=y
#
# LED drivers
#
-# CONFIG_LEDS_IXP4XX is not set
CONFIG_LEDS_GPIO=y
+CONFIG_LEDS_FSG=y
#
# LED Triggers
@@ -1367,7 +1368,7 @@ CONFIG_RTC_INTF_DEV=y
# CONFIG_RTC_DRV_DS1672 is not set
# CONFIG_RTC_DRV_MAX6900 is not set
# CONFIG_RTC_DRV_RS5C372 is not set
-# CONFIG_RTC_DRV_ISL1208 is not set
+CONFIG_RTC_DRV_ISL1208=y
CONFIG_RTC_DRV_X1205=y
CONFIG_RTC_DRV_PCF8563=y
# CONFIG_RTC_DRV_PCF8583 is not set
diff --git a/arch/arm/configs/kafa_defconfig b/arch/arm/configs/kafa_defconfig
index ae51a40db6f..6dd95a2c8d5 100644
--- a/arch/arm/configs/kafa_defconfig
+++ b/arch/arm/configs/kafa_defconfig
@@ -162,7 +162,6 @@ CONFIG_CPU_TLB_V4WBI=y
# Kernel Features
#
CONFIG_PREEMPT=y
-# CONFIG_NO_IDLE_HZ is not set
CONFIG_HZ=100
# CONFIG_AEABI is not set
# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
diff --git a/arch/arm/configs/kb9202_defconfig b/arch/arm/configs/kb9202_defconfig
index c16537d9d67..8e74c66f239 100644
--- a/arch/arm/configs/kb9202_defconfig
+++ b/arch/arm/configs/kb9202_defconfig
@@ -126,7 +126,6 @@ CONFIG_ISA_DMA_API=y
#
# Kernel Features
#
-# CONFIG_NO_IDLE_HZ is not set
# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
CONFIG_FLATMEM=y
CONFIG_FLAT_NODE_MEM_MAP=y
diff --git a/arch/arm/configs/kirkwood_defconfig b/arch/arm/configs/kirkwood_defconfig
new file mode 100644
index 00000000000..e3357ba10f1
--- /dev/null
+++ b/arch/arm/configs/kirkwood_defconfig
@@ -0,0 +1,1426 @@
+#
+# Automatically generated make config: don't edit
+# Linux kernel version: 2.6.26-rc5
+# Sun Jun 22 15:51:25 2008
+#
+CONFIG_ARM=y
+CONFIG_SYS_SUPPORTS_APM_EMULATION=y
+CONFIG_GENERIC_GPIO=y
+CONFIG_GENERIC_TIME=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+CONFIG_MMU=y
+# CONFIG_NO_IOPORT is not set
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
+CONFIG_HARDIRQS_SW_RESEND=y
+CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+# CONFIG_ARCH_HAS_ILOG2_U32 is not set
+# CONFIG_ARCH_HAS_ILOG2_U64 is not set
+CONFIG_GENERIC_HWEIGHT=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_ARCH_SUPPORTS_AOUT=y
+CONFIG_ZONE_DMA=y
+CONFIG_VECTORS_BASE=0xffff0000
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+
+#
+# General setup
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_BROKEN_ON_SMP=y
+CONFIG_LOCK_KERNEL=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+CONFIG_LOCALVERSION=""
+CONFIG_LOCALVERSION_AUTO=y
+CONFIG_SWAP=y
+CONFIG_SYSVIPC=y
+CONFIG_SYSVIPC_SYSCTL=y
+# CONFIG_POSIX_MQUEUE is not set
+# CONFIG_BSD_PROCESS_ACCT is not set
+# CONFIG_TASKSTATS is not set
+# CONFIG_AUDIT is not set
+# CONFIG_IKCONFIG is not set
+CONFIG_LOG_BUF_SHIFT=14
+# CONFIG_CGROUPS is not set
+# CONFIG_GROUP_SCHED is not set
+# CONFIG_SYSFS_DEPRECATED_V2 is not set
+# CONFIG_RELAY is not set
+# CONFIG_NAMESPACES is not set
+# CONFIG_BLK_DEV_INITRD is not set
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_SYSCTL=y
+CONFIG_EMBEDDED=y
+CONFIG_UID16=y
+CONFIG_SYSCTL_SYSCALL=y
+CONFIG_SYSCTL_SYSCALL_CHECK=y
+CONFIG_KALLSYMS=y
+# CONFIG_KALLSYMS_ALL is not set
+# CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_HOTPLUG=y
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_ELF_CORE=y
+CONFIG_COMPAT_BRK=y
+CONFIG_BASE_FULL=y
+CONFIG_FUTEX=y
+CONFIG_ANON_INODES=y
+CONFIG_EPOLL=y
+CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
+CONFIG_EVENTFD=y
+CONFIG_SHMEM=y
+CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_SLAB=y
+# CONFIG_SLUB is not set
+# CONFIG_SLOB is not set
+CONFIG_PROFILING=y
+# CONFIG_MARKERS is not set
+CONFIG_OPROFILE=y
+CONFIG_HAVE_OPROFILE=y
+CONFIG_KPROBES=y
+CONFIG_KRETPROBES=y
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+# CONFIG_HAVE_DMA_ATTRS is not set
+CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_SLABINFO=y
+CONFIG_RT_MUTEXES=y
+# CONFIG_TINY_SHMEM is not set
+CONFIG_BASE_SMALL=0
+CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
+CONFIG_MODULE_UNLOAD=y
+# CONFIG_MODULE_FORCE_UNLOAD is not set
+# CONFIG_MODVERSIONS is not set
+# CONFIG_MODULE_SRCVERSION_ALL is not set
+# CONFIG_KMOD is not set
+CONFIG_BLOCK=y
+# CONFIG_LBD is not set
+# CONFIG_BLK_DEV_IO_TRACE is not set
+# CONFIG_LSF is not set
+# CONFIG_BLK_DEV_BSG is not set
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+CONFIG_IOSCHED_AS=y
+CONFIG_IOSCHED_DEADLINE=y
+CONFIG_IOSCHED_CFQ=y
+# CONFIG_DEFAULT_AS is not set
+# CONFIG_DEFAULT_DEADLINE is not set
+CONFIG_DEFAULT_CFQ=y
+# CONFIG_DEFAULT_NOOP is not set
+CONFIG_DEFAULT_IOSCHED="cfq"
+CONFIG_CLASSIC_RCU=y
+
+#
+# System Type
+#
+# CONFIG_ARCH_AAEC2000 is not set
+# CONFIG_ARCH_INTEGRATOR is not set
+# CONFIG_ARCH_REALVIEW is not set
+# CONFIG_ARCH_VERSATILE is not set
+# CONFIG_ARCH_AT91 is not set
+# CONFIG_ARCH_CLPS7500 is not set
+# CONFIG_ARCH_CLPS711X is not set
+# CONFIG_ARCH_CO285 is not set
+# CONFIG_ARCH_EBSA110 is not set
+# CONFIG_ARCH_EP93XX is not set
+# CONFIG_ARCH_FOOTBRIDGE is not set
+# CONFIG_ARCH_NETX is not set
+# CONFIG_ARCH_H720X is not set
+# CONFIG_ARCH_IMX is not set
+# CONFIG_ARCH_IOP13XX is not set
+# CONFIG_ARCH_IOP32X is not set
+# CONFIG_ARCH_IOP33X is not set
+# CONFIG_ARCH_IXP23XX is not set
+# CONFIG_ARCH_IXP2000 is not set
+# CONFIG_ARCH_IXP4XX is not set
+# CONFIG_ARCH_L7200 is not set
+CONFIG_ARCH_KIRKWOOD=y
+# CONFIG_ARCH_KS8695 is not set
+# CONFIG_ARCH_NS9XXX is not set
+# CONFIG_ARCH_LOKI is not set
+# CONFIG_ARCH_MV78XX0 is not set
+# CONFIG_ARCH_MXC is not set
+# CONFIG_ARCH_ORION5X is not set
+# CONFIG_ARCH_PNX4008 is not set
+# CONFIG_ARCH_PXA is not set
+# CONFIG_ARCH_RPC is not set
+# CONFIG_ARCH_SA1100 is not set
+# CONFIG_ARCH_S3C2410 is not set
+# CONFIG_ARCH_SHARK is not set
+# CONFIG_ARCH_LH7A40X is not set
+# CONFIG_ARCH_DAVINCI is not set
+# CONFIG_ARCH_OMAP is not set
+# CONFIG_ARCH_MSM7X00A is not set
+
+#
+# Marvell Kirkwood Implementations
+#
+CONFIG_MACH_DB88F6281_BP=y
+CONFIG_MACH_RD88F6192_NAS=y
+CONFIG_MACH_RD88F6281=y
+
+#
+# Boot options
+#
+
+#
+# Power management
+#
+CONFIG_PLAT_ORION=y
+
+#
+# Processor Type
+#
+CONFIG_CPU_32=y
+CONFIG_CPU_FEROCEON=y
+# CONFIG_CPU_FEROCEON_OLD_ID is not set
+CONFIG_CPU_32v5=y
+CONFIG_CPU_ABRT_EV5T=y
+CONFIG_CPU_PABRT_NOIFAR=y
+CONFIG_CPU_CACHE_VIVT=y
+CONFIG_CPU_COPY_FEROCEON=y
+CONFIG_CPU_TLB_FEROCEON=y
+CONFIG_CPU_CP15=y
+CONFIG_CPU_CP15_MMU=y
+
+#
+# Processor Features
+#
+CONFIG_ARM_THUMB=y
+# CONFIG_CPU_ICACHE_DISABLE is not set
+# CONFIG_CPU_DCACHE_DISABLE is not set
+CONFIG_OUTER_CACHE=y
+CONFIG_CACHE_FEROCEON_L2=y
+
+#
+# Bus support
+#
+CONFIG_PCI=y
+CONFIG_PCI_SYSCALL=y
+# CONFIG_ARCH_SUPPORTS_MSI is not set
+CONFIG_PCI_LEGACY=y
+# CONFIG_PCI_DEBUG is not set
+# CONFIG_PCCARD is not set
+
+#
+# Kernel Features
+#
+CONFIG_TICK_ONESHOT=y
+CONFIG_NO_HZ=y
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
+CONFIG_PREEMPT=y
+CONFIG_HZ=100
+CONFIG_AEABI=y
+# CONFIG_OABI_COMPAT is not set
+# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+# CONFIG_SPARSEMEM_STATIC is not set
+# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
+CONFIG_PAGEFLAGS_EXTENDED=y
+CONFIG_SPLIT_PTLOCK_CPUS=4096
+# CONFIG_RESOURCES_64BIT is not set
+CONFIG_ZONE_DMA_FLAG=1
+CONFIG_BOUNCE=y
+CONFIG_VIRT_TO_BUS=y
+CONFIG_ALIGNMENT_TRAP=y
+
+#
+# Boot options
+#
+CONFIG_ZBOOT_ROM_TEXT=0x0
+CONFIG_ZBOOT_ROM_BSS=0x0
+CONFIG_CMDLINE=""
+# CONFIG_XIP_KERNEL is not set
+# CONFIG_KEXEC is not set
+
+#
+# Floating point emulation
+#
+
+#
+# At least one emulation must be selected
+#
+# CONFIG_VFP is not set
+
+#
+# Userspace binary formats
+#
+CONFIG_BINFMT_ELF=y
+# CONFIG_BINFMT_AOUT is not set
+# CONFIG_BINFMT_MISC is not set
+
+#
+# Power management options
+#
+# CONFIG_PM is not set
+CONFIG_ARCH_SUSPEND_POSSIBLE=y
+
+#
+# Networking
+#
+CONFIG_NET=y
+
+#
+# Networking options
+#
+CONFIG_PACKET=y
+CONFIG_PACKET_MMAP=y
+CONFIG_UNIX=y
+CONFIG_XFRM=y
+# CONFIG_XFRM_USER is not set
+# CONFIG_XFRM_SUB_POLICY is not set
+# CONFIG_XFRM_MIGRATE is not set
+# CONFIG_XFRM_STATISTICS is not set
+# CONFIG_NET_KEY is not set
+CONFIG_INET=y
+CONFIG_IP_MULTICAST=y
+# CONFIG_IP_ADVANCED_ROUTER is not set
+CONFIG_IP_FIB_HASH=y
+CONFIG_IP_PNP=y
+CONFIG_IP_PNP_DHCP=y
+CONFIG_IP_PNP_BOOTP=y
+# CONFIG_IP_PNP_RARP is not set
+# CONFIG_NET_IPIP is not set
+# CONFIG_NET_IPGRE is not set
+# CONFIG_IP_MROUTE is not set
+# CONFIG_ARPD is not set
+# CONFIG_SYN_COOKIES is not set
+# CONFIG_INET_AH is not set
+# CONFIG_INET_ESP is not set
+# CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_XFRM_TUNNEL is not set
+# CONFIG_INET_TUNNEL is not set
+CONFIG_INET_XFRM_MODE_TRANSPORT=y
+CONFIG_INET_XFRM_MODE_TUNNEL=y
+CONFIG_INET_XFRM_MODE_BEET=y
+# CONFIG_INET_LRO is not set
+CONFIG_INET_DIAG=y
+CONFIG_INET_TCP_DIAG=y
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_CUBIC=y
+CONFIG_DEFAULT_TCP_CONG="cubic"
+# CONFIG_TCP_MD5SIG is not set
+# CONFIG_IPV6 is not set
+# CONFIG_NETWORK_SECMARK is not set
+# CONFIG_NETFILTER is not set
+# CONFIG_IP_DCCP is not set
+# CONFIG_IP_SCTP is not set
+# CONFIG_TIPC is not set
+# CONFIG_ATM is not set
+# CONFIG_BRIDGE is not set
+# CONFIG_VLAN_8021Q is not set
+# CONFIG_DECNET is not set
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# CONFIG_ATALK is not set
+# CONFIG_X25 is not set
+# CONFIG_LAPB is not set
+# CONFIG_ECONET is not set
+# CONFIG_WAN_ROUTER is not set
+# CONFIG_NET_SCHED is not set
+
+#
+# Network testing
+#
+CONFIG_NET_PKTGEN=m
+# CONFIG_NET_TCPPROBE is not set
+# CONFIG_HAMRADIO is not set
+# CONFIG_CAN is not set
+# CONFIG_IRDA is not set
+# CONFIG_BT is not set
+# CONFIG_AF_RXRPC is not set
+
+#
+# Wireless
+#
+# CONFIG_CFG80211 is not set
+CONFIG_WIRELESS_EXT=y
+# CONFIG_MAC80211 is not set
+# CONFIG_IEEE80211 is not set
+# CONFIG_RFKILL is not set
+# CONFIG_NET_9P is not set
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+CONFIG_STANDALONE=y
+CONFIG_PREVENT_FIRMWARE_BUILD=y
+CONFIG_FW_LOADER=y
+# CONFIG_DEBUG_DRIVER is not set
+# CONFIG_DEBUG_DEVRES is not set
+# CONFIG_SYS_HYPERVISOR is not set
+# CONFIG_CONNECTOR is not set
+CONFIG_MTD=y
+# CONFIG_MTD_DEBUG is not set
+# CONFIG_MTD_CONCAT is not set
+CONFIG_MTD_PARTITIONS=y
+# CONFIG_MTD_REDBOOT_PARTS is not set
+CONFIG_MTD_CMDLINE_PARTS=y
+# CONFIG_MTD_AFS_PARTS is not set
+# CONFIG_MTD_AR7_PARTS is not set
+
+#
+# User Modules And Translation Layers
+#
+CONFIG_MTD_CHAR=y
+CONFIG_MTD_BLKDEVS=y
+CONFIG_MTD_BLOCK=y
+# CONFIG_FTL is not set
+# CONFIG_NFTL is not set
+# CONFIG_INFTL is not set
+# CONFIG_RFD_FTL is not set
+# CONFIG_SSFDC is not set
+# CONFIG_MTD_OOPS is not set
+
+#
+# RAM/ROM/Flash chip drivers
+#
+CONFIG_MTD_CFI=y
+CONFIG_MTD_JEDECPROBE=y
+CONFIG_MTD_GEN_PROBE=y
+CONFIG_MTD_CFI_ADV_OPTIONS=y
+CONFIG_MTD_CFI_NOSWAP=y
+# CONFIG_MTD_CFI_BE_BYTE_SWAP is not set
+# CONFIG_MTD_CFI_LE_BYTE_SWAP is not set
+CONFIG_MTD_CFI_GEOMETRY=y
+CONFIG_MTD_MAP_BANK_WIDTH_1=y
+CONFIG_MTD_MAP_BANK_WIDTH_2=y
+# CONFIG_MTD_MAP_BANK_WIDTH_4 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
+CONFIG_MTD_CFI_I1=y
+CONFIG_MTD_CFI_I2=y
+# CONFIG_MTD_CFI_I4 is not set
+# CONFIG_MTD_CFI_I8 is not set
+# CONFIG_MTD_OTP is not set
+CONFIG_MTD_CFI_INTELEXT=y
+# CONFIG_MTD_CFI_AMDSTD is not set
+CONFIG_MTD_CFI_STAA=y
+CONFIG_MTD_CFI_UTIL=y
+# CONFIG_MTD_RAM is not set
+# CONFIG_MTD_ROM is not set
+# CONFIG_MTD_ABSENT is not set
+
+#
+# Mapping drivers for chip access
+#
+# CONFIG_MTD_COMPLEX_MAPPINGS is not set
+CONFIG_MTD_PHYSMAP=y
+CONFIG_MTD_PHYSMAP_START=0x0
+CONFIG_MTD_PHYSMAP_LEN=0x0
+CONFIG_MTD_PHYSMAP_BANKWIDTH=0
+# CONFIG_MTD_ARM_INTEGRATOR is not set
+# CONFIG_MTD_IMPA7 is not set
+# CONFIG_MTD_INTEL_VR_NOR is not set
+# CONFIG_MTD_PLATRAM is not set
+
+#
+# Self-contained MTD device drivers
+#
+# CONFIG_MTD_PMC551 is not set
+# CONFIG_MTD_DATAFLASH is not set
+CONFIG_MTD_M25P80=y
+CONFIG_M25PXX_USE_FAST_READ=y
+# CONFIG_MTD_SLRAM is not set
+# CONFIG_MTD_PHRAM is not set
+# CONFIG_MTD_MTDRAM is not set
+# CONFIG_MTD_BLOCK2MTD is not set
+
+#
+# Disk-On-Chip Device Drivers
+#
+# CONFIG_MTD_DOC2000 is not set
+# CONFIG_MTD_DOC2001 is not set
+# CONFIG_MTD_DOC2001PLUS is not set
+CONFIG_MTD_NAND=y
+CONFIG_MTD_NAND_VERIFY_WRITE=y
+# CONFIG_MTD_NAND_ECC_SMC is not set
+# CONFIG_MTD_NAND_MUSEUM_IDS is not set
+CONFIG_MTD_NAND_IDS=y
+# CONFIG_MTD_NAND_DISKONCHIP is not set
+# CONFIG_MTD_NAND_CAFE is not set
+# CONFIG_MTD_NAND_NANDSIM is not set
+# CONFIG_MTD_NAND_PLATFORM is not set
+# CONFIG_MTD_ALAUDA is not set
+CONFIG_MTD_NAND_ORION=y
+# CONFIG_MTD_ONENAND is not set
+
+#
+# UBI - Unsorted block images
+#
+# CONFIG_MTD_UBI is not set
+# CONFIG_PARPORT is not set
+CONFIG_BLK_DEV=y
+# CONFIG_BLK_CPQ_DA is not set
+# CONFIG_BLK_CPQ_CISS_DA is not set
+# CONFIG_BLK_DEV_DAC960 is not set
+# CONFIG_BLK_DEV_UMEM is not set
+# CONFIG_BLK_DEV_COW_COMMON is not set
+CONFIG_BLK_DEV_LOOP=y
+# CONFIG_BLK_DEV_CRYPTOLOOP is not set
+# CONFIG_BLK_DEV_NBD is not set
+# CONFIG_BLK_DEV_SX8 is not set
+# CONFIG_BLK_DEV_UB is not set
+# CONFIG_BLK_DEV_RAM is not set
+# CONFIG_CDROM_PKTCDVD is not set
+# CONFIG_ATA_OVER_ETH is not set
+# CONFIG_MISC_DEVICES is not set
+CONFIG_HAVE_IDE=y
+# CONFIG_IDE is not set
+
+#
+# SCSI device support
+#
+# CONFIG_RAID_ATTRS is not set
+CONFIG_SCSI=y
+CONFIG_SCSI_DMA=y
+# CONFIG_SCSI_TGT is not set
+# CONFIG_SCSI_NETLINK is not set
+# CONFIG_SCSI_PROC_FS is not set
+
+#
+# SCSI support type (disk, tape, CD-ROM)
+#
+CONFIG_BLK_DEV_SD=y
+# CONFIG_CHR_DEV_ST is not set
+# CONFIG_CHR_DEV_OSST is not set
+CONFIG_BLK_DEV_SR=m
+# CONFIG_BLK_DEV_SR_VENDOR is not set
+CONFIG_CHR_DEV_SG=m
+# CONFIG_CHR_DEV_SCH is not set
+
+#
+# Some SCSI devices (e.g. CD jukebox) support multiple LUNs
+#
+# CONFIG_SCSI_MULTI_LUN is not set
+# CONFIG_SCSI_CONSTANTS is not set
+# CONFIG_SCSI_LOGGING is not set
+# CONFIG_SCSI_SCAN_ASYNC is not set
+CONFIG_SCSI_WAIT_SCAN=m
+
+#
+# SCSI Transports
+#
+# CONFIG_SCSI_SPI_ATTRS is not set
+# CONFIG_SCSI_FC_ATTRS is not set
+# CONFIG_SCSI_ISCSI_ATTRS is not set
+# CONFIG_SCSI_SAS_LIBSAS is not set
+# CONFIG_SCSI_SRP_ATTRS is not set
+CONFIG_SCSI_LOWLEVEL=y
+# CONFIG_ISCSI_TCP is not set
+# CONFIG_BLK_DEV_3W_XXXX_RAID is not set
+# CONFIG_SCSI_3W_9XXX is not set
+# CONFIG_SCSI_ACARD is not set
+# CONFIG_SCSI_AACRAID is not set
+# CONFIG_SCSI_AIC7XXX is not set
+# CONFIG_SCSI_AIC7XXX_OLD is not set
+# CONFIG_SCSI_AIC79XX is not set
+# CONFIG_SCSI_AIC94XX is not set
+# CONFIG_SCSI_DPT_I2O is not set
+# CONFIG_SCSI_ADVANSYS is not set
+# CONFIG_SCSI_ARCMSR is not set
+# CONFIG_MEGARAID_NEWGEN is not set
+# CONFIG_MEGARAID_LEGACY is not set
+# CONFIG_MEGARAID_SAS is not set
+# CONFIG_SCSI_HPTIOP is not set
+# CONFIG_SCSI_DMX3191D is not set
+# CONFIG_SCSI_FUTURE_DOMAIN is not set
+# CONFIG_SCSI_IPS is not set
+# CONFIG_SCSI_INITIO is not set
+# CONFIG_SCSI_INIA100 is not set
+# CONFIG_SCSI_MVSAS is not set
+# CONFIG_SCSI_STEX is not set
+# CONFIG_SCSI_SYM53C8XX_2 is not set
+# CONFIG_SCSI_IPR is not set
+# CONFIG_SCSI_QLOGIC_1280 is not set
+# CONFIG_SCSI_QLA_FC is not set
+# CONFIG_SCSI_QLA_ISCSI is not set
+# CONFIG_SCSI_LPFC is not set
+# CONFIG_SCSI_DC395x is not set
+# CONFIG_SCSI_DC390T is not set
+# CONFIG_SCSI_NSP32 is not set
+# CONFIG_SCSI_DEBUG is not set
+# CONFIG_SCSI_SRP is not set
+CONFIG_ATA=y
+# CONFIG_ATA_NONSTANDARD is not set
+CONFIG_SATA_PMP=y
+# CONFIG_SATA_AHCI is not set
+# CONFIG_SATA_SIL24 is not set
+CONFIG_ATA_SFF=y
+# CONFIG_SATA_SVW is not set
+# CONFIG_ATA_PIIX is not set
+CONFIG_SATA_MV=y
+# CONFIG_SATA_NV is not set
+# CONFIG_PDC_ADMA is not set
+# CONFIG_SATA_QSTOR is not set
+# CONFIG_SATA_PROMISE is not set
+# CONFIG_SATA_SX4 is not set
+# CONFIG_SATA_SIL is not set
+# CONFIG_SATA_SIS is not set
+# CONFIG_SATA_ULI is not set
+# CONFIG_SATA_VIA is not set
+# CONFIG_SATA_VITESSE is not set
+# CONFIG_SATA_INIC162X is not set
+# CONFIG_PATA_ALI is not set
+# CONFIG_PATA_AMD is not set
+# CONFIG_PATA_ARTOP is not set
+# CONFIG_PATA_ATIIXP is not set
+# CONFIG_PATA_CMD640_PCI is not set
+# CONFIG_PATA_CMD64X is not set
+# CONFIG_PATA_CS5520 is not set
+# CONFIG_PATA_CS5530 is not set
+# CONFIG_PATA_CYPRESS is not set
+# CONFIG_PATA_EFAR is not set
+# CONFIG_ATA_GENERIC is not set
+# CONFIG_PATA_HPT366 is not set
+# CONFIG_PATA_HPT37X is not set
+# CONFIG_PATA_HPT3X2N is not set
+# CONFIG_PATA_HPT3X3 is not set
+# CONFIG_PATA_IT821X is not set
+# CONFIG_PATA_IT8213 is not set
+# CONFIG_PATA_JMICRON is not set
+# CONFIG_PATA_TRIFLEX is not set
+# CONFIG_PATA_MARVELL is not set
+# CONFIG_PATA_MPIIX is not set
+# CONFIG_PATA_OLDPIIX is not set
+# CONFIG_PATA_NETCELL is not set
+# CONFIG_PATA_NINJA32 is not set
+# CONFIG_PATA_NS87410 is not set
+# CONFIG_PATA_NS87415 is not set
+# CONFIG_PATA_OPTI is not set
+# CONFIG_PATA_OPTIDMA is not set
+# CONFIG_PATA_PDC_OLD is not set
+# CONFIG_PATA_RADISYS is not set
+# CONFIG_PATA_RZ1000 is not set
+# CONFIG_PATA_SC1200 is not set
+# CONFIG_PATA_SERVERWORKS is not set
+# CONFIG_PATA_PDC2027X is not set
+# CONFIG_PATA_SIL680 is not set
+# CONFIG_PATA_SIS is not set
+# CONFIG_PATA_VIA is not set
+# CONFIG_PATA_WINBOND is not set
+# CONFIG_PATA_PLATFORM is not set
+# CONFIG_PATA_SCH is not set
+# CONFIG_MD is not set
+# CONFIG_FUSION is not set
+
+#
+# IEEE 1394 (FireWire) support
+#
+# CONFIG_FIREWIRE is not set
+# CONFIG_IEEE1394 is not set
+# CONFIG_I2O is not set
+CONFIG_NETDEVICES=y
+# CONFIG_NETDEVICES_MULTIQUEUE is not set
+# CONFIG_DUMMY is not set
+# CONFIG_BONDING is not set
+# CONFIG_MACVLAN is not set
+# CONFIG_EQUALIZER is not set
+# CONFIG_TUN is not set
+# CONFIG_VETH is not set
+# CONFIG_ARCNET is not set
+# CONFIG_PHYLIB is not set
+CONFIG_NET_ETHERNET=y
+CONFIG_MII=y
+# CONFIG_AX88796 is not set
+# CONFIG_HAPPYMEAL is not set
+# CONFIG_SUNGEM is not set
+# CONFIG_CASSINI is not set
+# CONFIG_NET_VENDOR_3COM is not set
+# CONFIG_SMC91X is not set
+# CONFIG_DM9000 is not set
+# CONFIG_ENC28J60 is not set
+# CONFIG_NET_TULIP is not set
+# CONFIG_HP100 is not set
+# CONFIG_IBM_NEW_EMAC_ZMII is not set
+# CONFIG_IBM_NEW_EMAC_RGMII is not set
+# CONFIG_IBM_NEW_EMAC_TAH is not set
+# CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+CONFIG_NET_PCI=y
+# CONFIG_PCNET32 is not set
+# CONFIG_AMD8111_ETH is not set
+# CONFIG_ADAPTEC_STARFIRE is not set
+# CONFIG_B44 is not set
+# CONFIG_FORCEDETH is not set
+# CONFIG_EEPRO100 is not set
+# CONFIG_E100 is not set
+# CONFIG_FEALNX is not set
+# CONFIG_NATSEMI is not set
+# CONFIG_NE2K_PCI is not set
+# CONFIG_8139CP is not set
+# CONFIG_8139TOO is not set
+# CONFIG_R6040 is not set
+# CONFIG_SIS900 is not set
+# CONFIG_EPIC100 is not set
+# CONFIG_SUNDANCE is not set
+# CONFIG_TLAN is not set
+# CONFIG_VIA_RHINE is not set
+# CONFIG_SC92031 is not set
+CONFIG_NETDEV_1000=y
+# CONFIG_ACENIC is not set
+# CONFIG_DL2K is not set
+CONFIG_E1000=y
+CONFIG_E1000_NAPI=y
+# CONFIG_E1000_DISABLE_PACKET_SPLIT is not set
+# CONFIG_E1000E is not set
+# CONFIG_E1000E_ENABLED is not set
+# CONFIG_IP1000 is not set
+# CONFIG_IGB is not set
+# CONFIG_NS83820 is not set
+# CONFIG_HAMACHI is not set
+# CONFIG_YELLOWFIN is not set
+# CONFIG_R8169 is not set
+# CONFIG_SIS190 is not set
+# CONFIG_SKGE is not set
+# CONFIG_SKY2 is not set
+# CONFIG_VIA_VELOCITY is not set
+# CONFIG_TIGON3 is not set
+# CONFIG_BNX2 is not set
+CONFIG_MV643XX_ETH=y
+# CONFIG_QLA3XXX is not set
+# CONFIG_ATL1 is not set
+# CONFIG_NETDEV_10000 is not set
+# CONFIG_TR is not set
+
+#
+# Wireless LAN
+#
+# CONFIG_WLAN_PRE80211 is not set
+# CONFIG_WLAN_80211 is not set
+# CONFIG_IWLWIFI_LEDS is not set
+
+#
+# USB Network Adapters
+#
+# CONFIG_USB_CATC is not set
+# CONFIG_USB_KAWETH is not set
+# CONFIG_USB_PEGASUS is not set
+# CONFIG_USB_RTL8150 is not set
+# CONFIG_USB_USBNET is not set
+# CONFIG_WAN is not set
+# CONFIG_FDDI is not set
+# CONFIG_HIPPI is not set
+# CONFIG_PPP is not set
+# CONFIG_SLIP is not set
+# CONFIG_NET_FC is not set
+# CONFIG_NETCONSOLE is not set
+# CONFIG_NETPOLL is not set
+# CONFIG_NET_POLL_CONTROLLER is not set
+# CONFIG_ISDN is not set
+
+#
+# Input device support
+#
+CONFIG_INPUT=y
+# CONFIG_INPUT_FF_MEMLESS is not set
+# CONFIG_INPUT_POLLDEV is not set
+
+#
+# Userland interfaces
+#
+CONFIG_INPUT_MOUSEDEV=y
+CONFIG_INPUT_MOUSEDEV_PSAUX=y
+CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
+CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
+# CONFIG_INPUT_JOYDEV is not set
+# CONFIG_INPUT_EVDEV is not set
+# CONFIG_INPUT_EVBUG is not set
+
+#
+# Input Device Drivers
+#
+# CONFIG_INPUT_KEYBOARD is not set
+# CONFIG_INPUT_MOUSE is not set
+# CONFIG_INPUT_JOYSTICK is not set
+# CONFIG_INPUT_TABLET is not set
+# CONFIG_INPUT_TOUCHSCREEN is not set
+# CONFIG_INPUT_MISC is not set
+
+#
+# Hardware I/O ports
+#
+# CONFIG_SERIO is not set
+# CONFIG_GAMEPORT is not set
+
+#
+# Character devices
+#
+# CONFIG_VT is not set
+# CONFIG_DEVKMEM is not set
+# CONFIG_SERIAL_NONSTANDARD is not set
+# CONFIG_NOZOMI is not set
+
+#
+# Serial drivers
+#
+CONFIG_SERIAL_8250=y
+CONFIG_SERIAL_8250_CONSOLE=y
+# CONFIG_SERIAL_8250_PCI is not set
+CONFIG_SERIAL_8250_NR_UARTS=4
+CONFIG_SERIAL_8250_RUNTIME_UARTS=2
+# CONFIG_SERIAL_8250_EXTENDED is not set
+
+#
+# Non-8250 serial port support
+#
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+# CONFIG_SERIAL_JSM is not set
+CONFIG_UNIX98_PTYS=y
+CONFIG_LEGACY_PTYS=y
+CONFIG_LEGACY_PTY_COUNT=16
+# CONFIG_IPMI_HANDLER is not set
+# CONFIG_HW_RANDOM is not set
+# CONFIG_NVRAM is not set
+# CONFIG_R3964 is not set
+# CONFIG_APPLICOM is not set
+# CONFIG_RAW_DRIVER is not set
+# CONFIG_TCG_TPM is not set
+CONFIG_DEVPORT=y
+CONFIG_I2C=y
+CONFIG_I2C_BOARDINFO=y
+CONFIG_I2C_CHARDEV=y
+
+#
+# I2C Hardware Bus support
+#
+# CONFIG_I2C_ALI1535 is not set
+# CONFIG_I2C_ALI1563 is not set
+# CONFIG_I2C_ALI15X3 is not set
+# CONFIG_I2C_AMD756 is not set
+# CONFIG_I2C_AMD8111 is not set
+# CONFIG_I2C_GPIO is not set
+# CONFIG_I2C_I801 is not set
+# CONFIG_I2C_I810 is not set
+# CONFIG_I2C_PIIX4 is not set
+# CONFIG_I2C_NFORCE2 is not set
+# CONFIG_I2C_OCORES is not set
+# CONFIG_I2C_PARPORT_LIGHT is not set
+# CONFIG_I2C_PROSAVAGE is not set
+# CONFIG_I2C_SAVAGE4 is not set
+# CONFIG_I2C_SIMTEC is not set
+# CONFIG_I2C_SIS5595 is not set
+# CONFIG_I2C_SIS630 is not set
+# CONFIG_I2C_SIS96X is not set
+# CONFIG_I2C_TAOS_EVM is not set
+# CONFIG_I2C_STUB is not set
+# CONFIG_I2C_TINY_USB is not set
+# CONFIG_I2C_VIA is not set
+# CONFIG_I2C_VIAPRO is not set
+# CONFIG_I2C_VOODOO3 is not set
+# CONFIG_I2C_PCA_PLATFORM is not set
+CONFIG_I2C_MV64XXX=y
+
+#
+# Miscellaneous I2C Chip support
+#
+# CONFIG_DS1682 is not set
+# CONFIG_SENSORS_EEPROM is not set
+# CONFIG_SENSORS_PCF8574 is not set
+# CONFIG_PCF8575 is not set
+# CONFIG_SENSORS_PCF8591 is not set
+# CONFIG_SENSORS_MAX6875 is not set
+# CONFIG_SENSORS_TSL2550 is not set
+# CONFIG_I2C_DEBUG_CORE is not set
+# CONFIG_I2C_DEBUG_ALGO is not set
+# CONFIG_I2C_DEBUG_BUS is not set
+# CONFIG_I2C_DEBUG_CHIP is not set
+CONFIG_SPI=y
+# CONFIG_SPI_DEBUG is not set
+CONFIG_SPI_MASTER=y
+
+#
+# SPI Master Controller Drivers
+#
+# CONFIG_SPI_BITBANG is not set
+CONFIG_SPI_ORION=y
+
+#
+# SPI Protocol Masters
+#
+# CONFIG_SPI_AT25 is not set
+# CONFIG_SPI_SPIDEV is not set
+# CONFIG_SPI_TLE62X0 is not set
+# CONFIG_W1 is not set
+# CONFIG_POWER_SUPPLY is not set
+# CONFIG_HWMON is not set
+# CONFIG_WATCHDOG is not set
+
+#
+# Sonics Silicon Backplane
+#
+CONFIG_SSB_POSSIBLE=y
+# CONFIG_SSB is not set
+
+#
+# Multifunction device drivers
+#
+# CONFIG_MFD_SM501 is not set
+# CONFIG_MFD_ASIC3 is not set
+# CONFIG_HTC_PASIC3 is not set
+
+#
+# Multimedia devices
+#
+
+#
+# Multimedia core support
+#
+# CONFIG_VIDEO_DEV is not set
+# CONFIG_DVB_CORE is not set
+# CONFIG_VIDEO_MEDIA is not set
+
+#
+# Multimedia drivers
+#
+# CONFIG_DAB is not set
+
+#
+# Graphics support
+#
+# CONFIG_DRM is not set
+# CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
+# CONFIG_FB is not set
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+
+#
+# Display device support
+#
+# CONFIG_DISPLAY_SUPPORT is not set
+
+#
+# Sound
+#
+# CONFIG_SOUND is not set
+CONFIG_HID_SUPPORT=y
+CONFIG_HID=y
+# CONFIG_HID_DEBUG is not set
+# CONFIG_HIDRAW is not set
+
+#
+# USB Input Devices
+#
+CONFIG_USB_HID=y
+# CONFIG_USB_HIDINPUT_POWERBOOK is not set
+# CONFIG_HID_FF is not set
+# CONFIG_USB_HIDDEV is not set
+CONFIG_USB_SUPPORT=y
+CONFIG_USB_ARCH_HAS_HCD=y
+CONFIG_USB_ARCH_HAS_OHCI=y
+CONFIG_USB_ARCH_HAS_EHCI=y
+CONFIG_USB=y
+# CONFIG_USB_DEBUG is not set
+# CONFIG_USB_ANNOUNCE_NEW_DEVICES is not set
+
+#
+# Miscellaneous USB options
+#
+CONFIG_USB_DEVICEFS=y
+CONFIG_USB_DEVICE_CLASS=y
+# CONFIG_USB_DYNAMIC_MINORS is not set
+# CONFIG_USB_OTG is not set
+# CONFIG_USB_OTG_WHITELIST is not set
+# CONFIG_USB_OTG_BLACKLIST_HUB is not set
+
+#
+# USB Host Controller Drivers
+#
+# CONFIG_USB_C67X00_HCD is not set
+CONFIG_USB_EHCI_HCD=y
+CONFIG_USB_EHCI_ROOT_HUB_TT=y
+CONFIG_USB_EHCI_TT_NEWSCHED=y
+# CONFIG_USB_ISP116X_HCD is not set
+# CONFIG_USB_ISP1760_HCD is not set
+# CONFIG_USB_OHCI_HCD is not set
+# CONFIG_USB_UHCI_HCD is not set
+# CONFIG_USB_SL811_HCD is not set
+# CONFIG_USB_R8A66597_HCD is not set
+
+#
+# USB Device Class drivers
+#
+# CONFIG_USB_ACM is not set
+CONFIG_USB_PRINTER=y
+# CONFIG_USB_WDM is not set
+
+#
+# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
+#
+
+#
+# may also be needed; see USB_STORAGE Help for more information
+#
+CONFIG_USB_STORAGE=y
+# CONFIG_USB_STORAGE_DEBUG is not set
+CONFIG_USB_STORAGE_DATAFAB=y
+CONFIG_USB_STORAGE_FREECOM=y
+# CONFIG_USB_STORAGE_ISD200 is not set
+CONFIG_USB_STORAGE_DPCM=y
+# CONFIG_USB_STORAGE_USBAT is not set
+CONFIG_USB_STORAGE_SDDR09=y
+CONFIG_USB_STORAGE_SDDR55=y
+CONFIG_USB_STORAGE_JUMPSHOT=y
+# CONFIG_USB_STORAGE_ALAUDA is not set
+# CONFIG_USB_STORAGE_ONETOUCH is not set
+# CONFIG_USB_STORAGE_KARMA is not set
+# CONFIG_USB_STORAGE_CYPRESS_ATACB is not set
+# CONFIG_USB_LIBUSUAL is not set
+
+#
+# USB Imaging devices
+#
+# CONFIG_USB_MDC800 is not set
+# CONFIG_USB_MICROTEK is not set
+# CONFIG_USB_MON is not set
+
+#
+# USB port drivers
+#
+# CONFIG_USB_SERIAL is not set
+
+#
+# USB Miscellaneous drivers
+#
+# CONFIG_USB_EMI62 is not set
+# CONFIG_USB_EMI26 is not set
+# CONFIG_USB_ADUTUX is not set
+# CONFIG_USB_AUERSWALD is not set
+# CONFIG_USB_RIO500 is not set
+# CONFIG_USB_LEGOTOWER is not set
+# CONFIG_USB_LCD is not set
+# CONFIG_USB_BERRY_CHARGE is not set
+# CONFIG_USB_LED is not set
+# CONFIG_USB_CYPRESS_CY7C63 is not set
+# CONFIG_USB_CYTHERM is not set
+# CONFIG_USB_PHIDGET is not set
+# CONFIG_USB_IDMOUSE is not set
+# CONFIG_USB_FTDI_ELAN is not set
+# CONFIG_USB_APPLEDISPLAY is not set
+# CONFIG_USB_SISUSBVGA is not set
+# CONFIG_USB_LD is not set
+# CONFIG_USB_TRANCEVIBRATOR is not set
+# CONFIG_USB_IOWARRIOR is not set
+# CONFIG_USB_TEST is not set
+# CONFIG_USB_ISIGHTFW is not set
+# CONFIG_USB_GADGET is not set
+# CONFIG_MMC is not set
+CONFIG_NEW_LEDS=y
+# CONFIG_LEDS_CLASS is not set
+
+#
+# LED drivers
+#
+
+#
+# LED Triggers
+#
+# CONFIG_LEDS_TRIGGERS is not set
+CONFIG_RTC_LIB=y
+CONFIG_RTC_CLASS=y
+# CONFIG_RTC_DEBUG is not set
+
+#
+# RTC interfaces
+#
+CONFIG_RTC_INTF_SYSFS=y
+CONFIG_RTC_INTF_PROC=y
+CONFIG_RTC_INTF_DEV=y
+# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set
+# CONFIG_RTC_DRV_TEST is not set
+
+#
+# I2C RTC drivers
+#
+# CONFIG_RTC_DRV_DS1307 is not set
+# CONFIG_RTC_DRV_DS1374 is not set
+# CONFIG_RTC_DRV_DS1672 is not set
+# CONFIG_RTC_DRV_MAX6900 is not set
+CONFIG_RTC_DRV_MV=y
+# CONFIG_RTC_DRV_RS5C372 is not set
+# CONFIG_RTC_DRV_ISL1208 is not set
+# CONFIG_RTC_DRV_X1205 is not set
+# CONFIG_RTC_DRV_PCF8563 is not set
+# CONFIG_RTC_DRV_PCF8583 is not set
+# CONFIG_RTC_DRV_M41T80 is not set
+# CONFIG_RTC_DRV_S35390A is not set
+
+#
+# SPI RTC drivers
+#
+# CONFIG_RTC_DRV_MAX6902 is not set
+# CONFIG_RTC_DRV_R9701 is not set
+# CONFIG_RTC_DRV_RS5C348 is not set
+
+#
+# Platform RTC drivers
+#
+# CONFIG_RTC_DRV_CMOS is not set
+# CONFIG_RTC_DRV_DS1511 is not set
+# CONFIG_RTC_DRV_DS1553 is not set
+# CONFIG_RTC_DRV_DS1742 is not set
+# CONFIG_RTC_DRV_STK17TA8 is not set
+# CONFIG_RTC_DRV_M48T86 is not set
+# CONFIG_RTC_DRV_M48T59 is not set
+# CONFIG_RTC_DRV_V3020 is not set
+
+#
+# on-CPU RTC drivers
+#
+CONFIG_DMADEVICES=y
+
+#
+# DMA Devices
+#
+CONFIG_MV_XOR=y
+CONFIG_DMA_ENGINE=y
+
+#
+# DMA Clients
+#
+# CONFIG_NET_DMA is not set
+# CONFIG_UIO is not set
+
+#
+# File systems
+#
+CONFIG_EXT2_FS=y
+# CONFIG_EXT2_FS_XATTR is not set
+# CONFIG_EXT2_FS_XIP is not set
+CONFIG_EXT3_FS=y
+# CONFIG_EXT3_FS_XATTR is not set
+# CONFIG_EXT4DEV_FS is not set
+CONFIG_JBD=y
+# CONFIG_REISERFS_FS is not set
+# CONFIG_JFS_FS is not set
+# CONFIG_FS_POSIX_ACL is not set
+CONFIG_XFS_FS=y
+# CONFIG_XFS_QUOTA is not set
+# CONFIG_XFS_POSIX_ACL is not set
+# CONFIG_XFS_RT is not set
+# CONFIG_XFS_DEBUG is not set
+# CONFIG_OCFS2_FS is not set
+CONFIG_DNOTIFY=y
+CONFIG_INOTIFY=y
+CONFIG_INOTIFY_USER=y
+# CONFIG_QUOTA is not set
+# CONFIG_AUTOFS_FS is not set
+# CONFIG_AUTOFS4_FS is not set
+# CONFIG_FUSE_FS is not set
+
+#
+# CD-ROM/DVD Filesystems
+#
+CONFIG_ISO9660_FS=y
+CONFIG_JOLIET=y
+# CONFIG_ZISOFS is not set
+CONFIG_UDF_FS=m
+CONFIG_UDF_NLS=y
+
+#
+# DOS/FAT/NT Filesystems
+#
+CONFIG_FAT_FS=y
+CONFIG_MSDOS_FS=y
+CONFIG_VFAT_FS=y
+CONFIG_FAT_DEFAULT_CODEPAGE=437
+CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
+# CONFIG_NTFS_FS is not set
+
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+CONFIG_PROC_SYSCTL=y
+CONFIG_SYSFS=y
+CONFIG_TMPFS=y
+# CONFIG_TMPFS_POSIX_ACL is not set
+# CONFIG_HUGETLB_PAGE is not set
+# CONFIG_CONFIGFS_FS is not set
+
+#
+# Miscellaneous filesystems
+#
+# CONFIG_ADFS_FS is not set
+# CONFIG_AFFS_FS is not set
+# CONFIG_HFS_FS is not set
+# CONFIG_HFSPLUS_FS is not set
+# CONFIG_BEFS_FS is not set
+# CONFIG_BFS_FS is not set
+# CONFIG_EFS_FS is not set
+CONFIG_JFFS2_FS=y
+CONFIG_JFFS2_FS_DEBUG=0
+CONFIG_JFFS2_FS_WRITEBUFFER=y
+# CONFIG_JFFS2_FS_WBUF_VERIFY is not set
+# CONFIG_JFFS2_SUMMARY is not set
+# CONFIG_JFFS2_FS_XATTR is not set
+# CONFIG_JFFS2_COMPRESSION_OPTIONS is not set
+CONFIG_JFFS2_ZLIB=y
+# CONFIG_JFFS2_LZO is not set
+CONFIG_JFFS2_RTIME=y
+# CONFIG_JFFS2_RUBIN is not set
+CONFIG_CRAMFS=y
+# CONFIG_VXFS_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_HPFS_FS is not set
+# CONFIG_QNX4FS_FS is not set
+# CONFIG_ROMFS_FS is not set
+# CONFIG_SYSV_FS is not set
+# CONFIG_UFS_FS is not set
+CONFIG_NETWORK_FILESYSTEMS=y
+CONFIG_NFS_FS=y
+CONFIG_NFS_V3=y
+# CONFIG_NFS_V3_ACL is not set
+# CONFIG_NFS_V4 is not set
+# CONFIG_NFSD is not set
+CONFIG_ROOT_NFS=y
+CONFIG_LOCKD=y
+CONFIG_LOCKD_V4=y
+CONFIG_NFS_COMMON=y
+CONFIG_SUNRPC=y
+# CONFIG_SUNRPC_BIND34 is not set
+# CONFIG_RPCSEC_GSS_KRB5 is not set
+# CONFIG_RPCSEC_GSS_SPKM3 is not set
+# CONFIG_SMB_FS is not set
+# CONFIG_CIFS is not set
+# CONFIG_NCP_FS is not set
+# CONFIG_CODA_FS is not set
+# CONFIG_AFS_FS is not set
+
+#
+# Partition Types
+#
+CONFIG_PARTITION_ADVANCED=y
+# CONFIG_ACORN_PARTITION is not set
+# CONFIG_OSF_PARTITION is not set
+# CONFIG_AMIGA_PARTITION is not set
+# CONFIG_ATARI_PARTITION is not set
+# CONFIG_MAC_PARTITION is not set
+CONFIG_MSDOS_PARTITION=y
+# CONFIG_BSD_DISKLABEL is not set
+# CONFIG_MINIX_SUBPARTITION is not set
+# CONFIG_SOLARIS_X86_PARTITION is not set
+# CONFIG_UNIXWARE_DISKLABEL is not set
+# CONFIG_LDM_PARTITION is not set
+# CONFIG_SGI_PARTITION is not set
+# CONFIG_ULTRIX_PARTITION is not set
+# CONFIG_SUN_PARTITION is not set
+# CONFIG_KARMA_PARTITION is not set
+# CONFIG_EFI_PARTITION is not set
+# CONFIG_SYSV68_PARTITION is not set
+CONFIG_NLS=y
+CONFIG_NLS_DEFAULT="iso8859-1"
+CONFIG_NLS_CODEPAGE_437=y
+# CONFIG_NLS_CODEPAGE_737 is not set
+# CONFIG_NLS_CODEPAGE_775 is not set
+CONFIG_NLS_CODEPAGE_850=y
+# CONFIG_NLS_CODEPAGE_852 is not set
+# CONFIG_NLS_CODEPAGE_855 is not set
+# CONFIG_NLS_CODEPAGE_857 is not set
+# CONFIG_NLS_CODEPAGE_860 is not set
+# CONFIG_NLS_CODEPAGE_861 is not set
+# CONFIG_NLS_CODEPAGE_862 is not set
+# CONFIG_NLS_CODEPAGE_863 is not set
+# CONFIG_NLS_CODEPAGE_864 is not set
+# CONFIG_NLS_CODEPAGE_865 is not set
+# CONFIG_NLS_CODEPAGE_866 is not set
+# CONFIG_NLS_CODEPAGE_869 is not set
+# CONFIG_NLS_CODEPAGE_936 is not set
+# CONFIG_NLS_CODEPAGE_950 is not set
+# CONFIG_NLS_CODEPAGE_932 is not set
+# CONFIG_NLS_CODEPAGE_949 is not set
+# CONFIG_NLS_CODEPAGE_874 is not set
+# CONFIG_NLS_ISO8859_8 is not set
+# CONFIG_NLS_CODEPAGE_1250 is not set
+# CONFIG_NLS_CODEPAGE_1251 is not set
+# CONFIG_NLS_ASCII is not set
+CONFIG_NLS_ISO8859_1=y
+CONFIG_NLS_ISO8859_2=y
+# CONFIG_NLS_ISO8859_3 is not set
+# CONFIG_NLS_ISO8859_4 is not set
+# CONFIG_NLS_ISO8859_5 is not set
+# CONFIG_NLS_ISO8859_6 is not set
+# CONFIG_NLS_ISO8859_7 is not set
+# CONFIG_NLS_ISO8859_9 is not set
+# CONFIG_NLS_ISO8859_13 is not set
+# CONFIG_NLS_ISO8859_14 is not set
+# CONFIG_NLS_ISO8859_15 is not set
+# CONFIG_NLS_KOI8_R is not set
+# CONFIG_NLS_KOI8_U is not set
+CONFIG_NLS_UTF8=y
+# CONFIG_DLM is not set
+
+#
+# Kernel hacking
+#
+# CONFIG_PRINTK_TIME is not set
+CONFIG_ENABLE_WARN_DEPRECATED=y
+CONFIG_ENABLE_MUST_CHECK=y
+CONFIG_FRAME_WARN=1024
+CONFIG_MAGIC_SYSRQ=y
+# CONFIG_UNUSED_SYMBOLS is not set
+# CONFIG_DEBUG_FS is not set
+# CONFIG_HEADERS_CHECK is not set
+CONFIG_DEBUG_KERNEL=y
+# CONFIG_DEBUG_SHIRQ is not set
+CONFIG_DETECT_SOFTLOCKUP=y
+# CONFIG_SCHED_DEBUG is not set
+# CONFIG_SCHEDSTATS is not set
+# CONFIG_TIMER_STATS is not set
+# CONFIG_DEBUG_OBJECTS is not set
+# CONFIG_DEBUG_SLAB is not set
+# CONFIG_DEBUG_PREEMPT is not set
+# CONFIG_DEBUG_RT_MUTEXES is not set
+# CONFIG_RT_MUTEX_TESTER is not set
+# CONFIG_DEBUG_SPINLOCK is not set
+# CONFIG_DEBUG_MUTEXES is not set
+# CONFIG_DEBUG_LOCK_ALLOC is not set
+# CONFIG_PROVE_LOCKING is not set
+# CONFIG_LOCK_STAT is not set
+# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
+# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
+# CONFIG_DEBUG_KOBJECT is not set
+# CONFIG_DEBUG_BUGVERBOSE is not set
+CONFIG_DEBUG_INFO=y
+# CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_WRITECOUNT is not set
+# CONFIG_DEBUG_LIST is not set
+# CONFIG_DEBUG_SG is not set
+CONFIG_FRAME_POINTER=y
+# CONFIG_BOOT_PRINTK_DELAY is not set
+# CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_KPROBES_SANITY_TEST is not set
+# CONFIG_BACKTRACE_SELF_TEST is not set
+# CONFIG_LKDTM is not set
+# CONFIG_FAULT_INJECTION is not set
+# CONFIG_LATENCYTOP is not set
+# CONFIG_SAMPLES is not set
+CONFIG_DEBUG_USER=y
+CONFIG_DEBUG_ERRORS=y
+# CONFIG_DEBUG_STACK_USAGE is not set
+CONFIG_DEBUG_LL=y
+# CONFIG_DEBUG_ICEDCC is not set
+
+#
+# Security options
+#
+# CONFIG_KEYS is not set
+# CONFIG_SECURITY is not set
+# CONFIG_SECURITY_FILE_CAPABILITIES is not set
+CONFIG_ASYNC_CORE=y
+CONFIG_CRYPTO=y
+
+#
+# Crypto core or helper
+#
+CONFIG_CRYPTO_ALGAPI=m
+CONFIG_CRYPTO_BLKCIPHER=m
+CONFIG_CRYPTO_MANAGER=m
+# CONFIG_CRYPTO_GF128MUL is not set
+# CONFIG_CRYPTO_NULL is not set
+# CONFIG_CRYPTO_CRYPTD is not set
+# CONFIG_CRYPTO_AUTHENC is not set
+# CONFIG_CRYPTO_TEST is not set
+
+#
+# Authenticated Encryption with Associated Data
+#
+# CONFIG_CRYPTO_CCM is not set
+# CONFIG_CRYPTO_GCM is not set
+# CONFIG_CRYPTO_SEQIV is not set
+
+#
+# Block modes
+#
+CONFIG_CRYPTO_CBC=m
+# CONFIG_CRYPTO_CTR is not set
+# CONFIG_CRYPTO_CTS is not set
+CONFIG_CRYPTO_ECB=m
+# CONFIG_CRYPTO_LRW is not set
+CONFIG_CRYPTO_PCBC=m
+# CONFIG_CRYPTO_XTS is not set
+
+#
+# Hash modes
+#
+# CONFIG_CRYPTO_HMAC is not set
+# CONFIG_CRYPTO_XCBC is not set
+
+#
+# Digest
+#
+# CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_MD4 is not set
+# CONFIG_CRYPTO_MD5 is not set
+# CONFIG_CRYPTO_MICHAEL_MIC is not set
+# CONFIG_CRYPTO_SHA1 is not set
+# CONFIG_CRYPTO_SHA256 is not set
+# CONFIG_CRYPTO_SHA512 is not set
+# CONFIG_CRYPTO_TGR192 is not set
+# CONFIG_CRYPTO_WP512 is not set
+
+#
+# Ciphers
+#
+# CONFIG_CRYPTO_AES is not set
+# CONFIG_CRYPTO_ANUBIS is not set
+# CONFIG_CRYPTO_ARC4 is not set
+# CONFIG_CRYPTO_BLOWFISH is not set
+# CONFIG_CRYPTO_CAMELLIA is not set
+# CONFIG_CRYPTO_CAST5 is not set
+# CONFIG_CRYPTO_CAST6 is not set
+# CONFIG_CRYPTO_DES is not set
+# CONFIG_CRYPTO_FCRYPT is not set
+# CONFIG_CRYPTO_KHAZAD is not set
+# CONFIG_CRYPTO_SALSA20 is not set
+# CONFIG_CRYPTO_SEED is not set
+# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_TEA is not set
+# CONFIG_CRYPTO_TWOFISH is not set
+
+#
+# Compression
+#
+# CONFIG_CRYPTO_DEFLATE is not set
+# CONFIG_CRYPTO_LZO is not set
+CONFIG_CRYPTO_HW=y
+# CONFIG_CRYPTO_DEV_HIFN_795X is not set
+
+#
+# Library routines
+#
+CONFIG_BITREVERSE=y
+# CONFIG_GENERIC_FIND_FIRST_BIT is not set
+# CONFIG_GENERIC_FIND_NEXT_BIT is not set
+CONFIG_CRC_CCITT=y
+CONFIG_CRC16=y
+CONFIG_CRC_ITU_T=m
+CONFIG_CRC32=y
+# CONFIG_CRC7 is not set
+CONFIG_LIBCRC32C=y
+CONFIG_ZLIB_INFLATE=y
+CONFIG_ZLIB_DEFLATE=y
+CONFIG_PLIST=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
+CONFIG_HAS_DMA=y
diff --git a/arch/arm/configs/ks8695_defconfig b/arch/arm/configs/ks8695_defconfig
index 8ab21a0719e..6077f2cb88e 100644
--- a/arch/arm/configs/ks8695_defconfig
+++ b/arch/arm/configs/ks8695_defconfig
@@ -174,7 +174,6 @@ CONFIG_PCCARD_NONSTATIC=y
# Kernel Features
#
# CONFIG_PREEMPT is not set
-# CONFIG_NO_IDLE_HZ is not set
CONFIG_HZ=100
# CONFIG_AEABI is not set
# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
diff --git a/arch/arm/configs/loki_defconfig b/arch/arm/configs/loki_defconfig
new file mode 100644
index 00000000000..17da7c3b3d5
--- /dev/null
+++ b/arch/arm/configs/loki_defconfig
@@ -0,0 +1,1147 @@
+#
+# Automatically generated make config: don't edit
+# Linux kernel version: 2.6.26-rc5
+# Fri Jun 13 03:07:49 2008
+#
+CONFIG_ARM=y
+CONFIG_SYS_SUPPORTS_APM_EMULATION=y
+# CONFIG_GENERIC_GPIO is not set
+CONFIG_GENERIC_TIME=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+CONFIG_MMU=y
+# CONFIG_NO_IOPORT is not set
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
+CONFIG_HARDIRQS_SW_RESEND=y
+CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+# CONFIG_ARCH_HAS_ILOG2_U32 is not set
+# CONFIG_ARCH_HAS_ILOG2_U64 is not set
+CONFIG_GENERIC_HWEIGHT=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_ARCH_SUPPORTS_AOUT=y
+CONFIG_ZONE_DMA=y
+CONFIG_VECTORS_BASE=0xffff0000
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+
+#
+# General setup
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_BROKEN_ON_SMP=y
+CONFIG_LOCK_KERNEL=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+CONFIG_LOCALVERSION=""
+CONFIG_LOCALVERSION_AUTO=y
+CONFIG_SWAP=y
+CONFIG_SYSVIPC=y
+CONFIG_SYSVIPC_SYSCTL=y
+# CONFIG_POSIX_MQUEUE is not set
+# CONFIG_BSD_PROCESS_ACCT is not set
+# CONFIG_TASKSTATS is not set
+# CONFIG_AUDIT is not set
+# CONFIG_IKCONFIG is not set
+CONFIG_LOG_BUF_SHIFT=14
+# CONFIG_CGROUPS is not set
+# CONFIG_GROUP_SCHED is not set
+# CONFIG_SYSFS_DEPRECATED_V2 is not set
+# CONFIG_RELAY is not set
+# CONFIG_NAMESPACES is not set
+# CONFIG_BLK_DEV_INITRD is not set
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_SYSCTL=y
+CONFIG_EMBEDDED=y
+CONFIG_UID16=y
+CONFIG_SYSCTL_SYSCALL=y
+CONFIG_SYSCTL_SYSCALL_CHECK=y
+CONFIG_KALLSYMS=y
+# CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_HOTPLUG=y
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_ELF_CORE=y
+CONFIG_COMPAT_BRK=y
+CONFIG_BASE_FULL=y
+CONFIG_FUTEX=y
+CONFIG_ANON_INODES=y
+CONFIG_EPOLL=y
+CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
+CONFIG_EVENTFD=y
+CONFIG_SHMEM=y
+CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_SLAB=y
+# CONFIG_SLUB is not set
+# CONFIG_SLOB is not set
+# CONFIG_PROFILING is not set
+# CONFIG_MARKERS is not set
+CONFIG_HAVE_OPROFILE=y
+# CONFIG_KPROBES is not set
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+# CONFIG_HAVE_DMA_ATTRS is not set
+CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_SLABINFO=y
+CONFIG_RT_MUTEXES=y
+# CONFIG_TINY_SHMEM is not set
+CONFIG_BASE_SMALL=0
+CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
+CONFIG_MODULE_UNLOAD=y
+# CONFIG_MODULE_FORCE_UNLOAD is not set
+# CONFIG_MODVERSIONS is not set
+# CONFIG_MODULE_SRCVERSION_ALL is not set
+# CONFIG_KMOD is not set
+CONFIG_BLOCK=y
+# CONFIG_LBD is not set
+# CONFIG_BLK_DEV_IO_TRACE is not set
+# CONFIG_LSF is not set
+# CONFIG_BLK_DEV_BSG is not set
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+CONFIG_IOSCHED_AS=y
+CONFIG_IOSCHED_DEADLINE=y
+CONFIG_IOSCHED_CFQ=y
+# CONFIG_DEFAULT_AS is not set
+# CONFIG_DEFAULT_DEADLINE is not set
+CONFIG_DEFAULT_CFQ=y
+# CONFIG_DEFAULT_NOOP is not set
+CONFIG_DEFAULT_IOSCHED="cfq"
+CONFIG_CLASSIC_RCU=y
+
+#
+# System Type
+#
+# CONFIG_ARCH_AAEC2000 is not set
+# CONFIG_ARCH_INTEGRATOR is not set
+# CONFIG_ARCH_REALVIEW is not set
+# CONFIG_ARCH_VERSATILE is not set
+# CONFIG_ARCH_AT91 is not set
+# CONFIG_ARCH_CLPS7500 is not set
+# CONFIG_ARCH_CLPS711X is not set
+# CONFIG_ARCH_CO285 is not set
+# CONFIG_ARCH_EBSA110 is not set
+# CONFIG_ARCH_EP93XX is not set
+# CONFIG_ARCH_FOOTBRIDGE is not set
+# CONFIG_ARCH_NETX is not set
+# CONFIG_ARCH_H720X is not set
+# CONFIG_ARCH_IMX is not set
+# CONFIG_ARCH_IOP13XX is not set
+# CONFIG_ARCH_IOP32X is not set
+# CONFIG_ARCH_IOP33X is not set
+# CONFIG_ARCH_IXP23XX is not set
+# CONFIG_ARCH_IXP2000 is not set
+# CONFIG_ARCH_IXP4XX is not set
+# CONFIG_ARCH_L7200 is not set
+# CONFIG_ARCH_KIRKWOOD is not set
+# CONFIG_ARCH_KS8695 is not set
+# CONFIG_ARCH_NS9XXX is not set
+CONFIG_ARCH_LOKI=y
+# CONFIG_ARCH_MV78XX0 is not set
+# CONFIG_ARCH_MXC is not set
+# CONFIG_ARCH_ORION5X is not set
+# CONFIG_ARCH_PNX4008 is not set
+# CONFIG_ARCH_PXA is not set
+# CONFIG_ARCH_RPC is not set
+# CONFIG_ARCH_SA1100 is not set
+# CONFIG_ARCH_S3C2410 is not set
+# CONFIG_ARCH_SHARK is not set
+# CONFIG_ARCH_LH7A40X is not set
+# CONFIG_ARCH_DAVINCI is not set
+# CONFIG_ARCH_OMAP is not set
+# CONFIG_ARCH_MSM7X00A is not set
+
+#
+# Marvell Loki (88RC8480) Implementations
+#
+CONFIG_MACH_LB88RC8480=y
+
+#
+# Boot options
+#
+
+#
+# Power management
+#
+CONFIG_PLAT_ORION=y
+
+#
+# Processor Type
+#
+CONFIG_CPU_32=y
+CONFIG_CPU_FEROCEON=y
+# CONFIG_CPU_FEROCEON_OLD_ID is not set
+CONFIG_CPU_32v5=y
+CONFIG_CPU_ABRT_EV5T=y
+CONFIG_CPU_PABRT_NOIFAR=y
+CONFIG_CPU_CACHE_VIVT=y
+CONFIG_CPU_COPY_FEROCEON=y
+CONFIG_CPU_TLB_FEROCEON=y
+CONFIG_CPU_CP15=y
+CONFIG_CPU_CP15_MMU=y
+
+#
+# Processor Features
+#
+CONFIG_ARM_THUMB=y
+# CONFIG_CPU_ICACHE_DISABLE is not set
+# CONFIG_CPU_DCACHE_DISABLE is not set
+# CONFIG_OUTER_CACHE is not set
+
+#
+# Bus support
+#
+# CONFIG_PCI_SYSCALL is not set
+# CONFIG_ARCH_SUPPORTS_MSI is not set
+# CONFIG_PCCARD is not set
+
+#
+# Kernel Features
+#
+CONFIG_TICK_ONESHOT=y
+CONFIG_NO_HZ=y
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
+CONFIG_PREEMPT=y
+CONFIG_HZ=100
+CONFIG_AEABI=y
+CONFIG_OABI_COMPAT=y
+# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+# CONFIG_SPARSEMEM_STATIC is not set
+# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
+CONFIG_PAGEFLAGS_EXTENDED=y
+CONFIG_SPLIT_PTLOCK_CPUS=4096
+# CONFIG_RESOURCES_64BIT is not set
+CONFIG_ZONE_DMA_FLAG=1
+CONFIG_BOUNCE=y
+CONFIG_VIRT_TO_BUS=y
+CONFIG_ALIGNMENT_TRAP=y
+
+#
+# Boot options
+#
+CONFIG_ZBOOT_ROM_TEXT=0x0
+CONFIG_ZBOOT_ROM_BSS=0x0
+CONFIG_CMDLINE=""
+# CONFIG_XIP_KERNEL is not set
+# CONFIG_KEXEC is not set
+
+#
+# Floating point emulation
+#
+
+#
+# At least one emulation must be selected
+#
+# CONFIG_FPE_NWFPE is not set
+# CONFIG_FPE_FASTFPE is not set
+# CONFIG_VFP is not set
+
+#
+# Userspace binary formats
+#
+CONFIG_BINFMT_ELF=y
+# CONFIG_BINFMT_AOUT is not set
+# CONFIG_BINFMT_MISC is not set
+
+#
+# Power management options
+#
+# CONFIG_PM is not set
+CONFIG_ARCH_SUSPEND_POSSIBLE=y
+
+#
+# Networking
+#
+CONFIG_NET=y
+
+#
+# Networking options
+#
+CONFIG_PACKET=y
+CONFIG_PACKET_MMAP=y
+CONFIG_UNIX=y
+CONFIG_XFRM=y
+# CONFIG_XFRM_USER is not set
+# CONFIG_XFRM_SUB_POLICY is not set
+# CONFIG_XFRM_MIGRATE is not set
+# CONFIG_XFRM_STATISTICS is not set
+# CONFIG_NET_KEY is not set
+CONFIG_INET=y
+CONFIG_IP_MULTICAST=y
+# CONFIG_IP_ADVANCED_ROUTER is not set
+CONFIG_IP_FIB_HASH=y
+CONFIG_IP_PNP=y
+CONFIG_IP_PNP_DHCP=y
+CONFIG_IP_PNP_BOOTP=y
+# CONFIG_IP_PNP_RARP is not set
+# CONFIG_NET_IPIP is not set
+# CONFIG_NET_IPGRE is not set
+# CONFIG_IP_MROUTE is not set
+# CONFIG_ARPD is not set
+# CONFIG_SYN_COOKIES is not set
+# CONFIG_INET_AH is not set
+# CONFIG_INET_ESP is not set
+# CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_XFRM_TUNNEL is not set
+# CONFIG_INET_TUNNEL is not set
+CONFIG_INET_XFRM_MODE_TRANSPORT=y
+CONFIG_INET_XFRM_MODE_TUNNEL=y
+CONFIG_INET_XFRM_MODE_BEET=y
+# CONFIG_INET_LRO is not set
+CONFIG_INET_DIAG=y
+CONFIG_INET_TCP_DIAG=y
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_CUBIC=y
+CONFIG_DEFAULT_TCP_CONG="cubic"
+# CONFIG_TCP_MD5SIG is not set
+# CONFIG_IPV6 is not set
+# CONFIG_NETWORK_SECMARK is not set
+# CONFIG_NETFILTER is not set
+# CONFIG_IP_DCCP is not set
+# CONFIG_IP_SCTP is not set
+# CONFIG_TIPC is not set
+# CONFIG_ATM is not set
+# CONFIG_BRIDGE is not set
+# CONFIG_VLAN_8021Q is not set
+# CONFIG_DECNET is not set
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# CONFIG_ATALK is not set
+# CONFIG_X25 is not set
+# CONFIG_LAPB is not set
+# CONFIG_ECONET is not set
+# CONFIG_WAN_ROUTER is not set
+# CONFIG_NET_SCHED is not set
+
+#
+# Network testing
+#
+CONFIG_NET_PKTGEN=m
+# CONFIG_HAMRADIO is not set
+# CONFIG_CAN is not set
+# CONFIG_IRDA is not set
+# CONFIG_BT is not set
+# CONFIG_AF_RXRPC is not set
+
+#
+# Wireless
+#
+# CONFIG_CFG80211 is not set
+CONFIG_WIRELESS_EXT=y
+# CONFIG_MAC80211 is not set
+# CONFIG_IEEE80211 is not set
+# CONFIG_RFKILL is not set
+# CONFIG_NET_9P is not set
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+CONFIG_STANDALONE=y
+CONFIG_PREVENT_FIRMWARE_BUILD=y
+CONFIG_FW_LOADER=y
+# CONFIG_SYS_HYPERVISOR is not set
+# CONFIG_CONNECTOR is not set
+CONFIG_MTD=y
+# CONFIG_MTD_DEBUG is not set
+# CONFIG_MTD_CONCAT is not set
+CONFIG_MTD_PARTITIONS=y
+# CONFIG_MTD_REDBOOT_PARTS is not set
+CONFIG_MTD_CMDLINE_PARTS=y
+# CONFIG_MTD_AFS_PARTS is not set
+# CONFIG_MTD_AR7_PARTS is not set
+
+#
+# User Modules And Translation Layers
+#
+CONFIG_MTD_CHAR=y
+CONFIG_MTD_BLKDEVS=y
+CONFIG_MTD_BLOCK=y
+CONFIG_FTL=y
+CONFIG_NFTL=y
+# CONFIG_NFTL_RW is not set
+# CONFIG_INFTL is not set
+# CONFIG_RFD_FTL is not set
+# CONFIG_SSFDC is not set
+# CONFIG_MTD_OOPS is not set
+
+#
+# RAM/ROM/Flash chip drivers
+#
+CONFIG_MTD_CFI=y
+CONFIG_MTD_JEDECPROBE=y
+CONFIG_MTD_GEN_PROBE=y
+CONFIG_MTD_CFI_ADV_OPTIONS=y
+CONFIG_MTD_CFI_NOSWAP=y
+# CONFIG_MTD_CFI_BE_BYTE_SWAP is not set
+# CONFIG_MTD_CFI_LE_BYTE_SWAP is not set
+CONFIG_MTD_CFI_GEOMETRY=y
+CONFIG_MTD_MAP_BANK_WIDTH_1=y
+CONFIG_MTD_MAP_BANK_WIDTH_2=y
+CONFIG_MTD_MAP_BANK_WIDTH_4=y
+# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
+CONFIG_MTD_CFI_I1=y
+CONFIG_MTD_CFI_I2=y
+CONFIG_MTD_CFI_I4=y
+# CONFIG_MTD_CFI_I8 is not set
+# CONFIG_MTD_OTP is not set
+CONFIG_MTD_CFI_INTELEXT=y
+CONFIG_MTD_CFI_AMDSTD=y
+CONFIG_MTD_CFI_STAA=y
+CONFIG_MTD_CFI_UTIL=y
+# CONFIG_MTD_RAM is not set
+# CONFIG_MTD_ROM is not set
+# CONFIG_MTD_ABSENT is not set
+
+#
+# Mapping drivers for chip access
+#
+# CONFIG_MTD_COMPLEX_MAPPINGS is not set
+CONFIG_MTD_PHYSMAP=y
+CONFIG_MTD_PHYSMAP_START=0x0
+CONFIG_MTD_PHYSMAP_LEN=0x0
+CONFIG_MTD_PHYSMAP_BANKWIDTH=0
+# CONFIG_MTD_ARM_INTEGRATOR is not set
+# CONFIG_MTD_IMPA7 is not set
+# CONFIG_MTD_PLATRAM is not set
+
+#
+# Self-contained MTD device drivers
+#
+# CONFIG_MTD_DATAFLASH is not set
+CONFIG_MTD_M25P80=y
+CONFIG_M25PXX_USE_FAST_READ=y
+# CONFIG_MTD_SLRAM is not set
+# CONFIG_MTD_PHRAM is not set
+# CONFIG_MTD_MTDRAM is not set
+# CONFIG_MTD_BLOCK2MTD is not set
+
+#
+# Disk-On-Chip Device Drivers
+#
+# CONFIG_MTD_DOC2000 is not set
+# CONFIG_MTD_DOC2001 is not set
+# CONFIG_MTD_DOC2001PLUS is not set
+CONFIG_MTD_NAND=y
+CONFIG_MTD_NAND_VERIFY_WRITE=y
+# CONFIG_MTD_NAND_ECC_SMC is not set
+# CONFIG_MTD_NAND_MUSEUM_IDS is not set
+CONFIG_MTD_NAND_IDS=y
+# CONFIG_MTD_NAND_DISKONCHIP is not set
+# CONFIG_MTD_NAND_NANDSIM is not set
+# CONFIG_MTD_NAND_PLATFORM is not set
+# CONFIG_MTD_ALAUDA is not set
+CONFIG_MTD_NAND_ORION=y
+# CONFIG_MTD_ONENAND is not set
+
+#
+# UBI - Unsorted block images
+#
+# CONFIG_MTD_UBI is not set
+# CONFIG_PARPORT is not set
+CONFIG_BLK_DEV=y
+# CONFIG_BLK_DEV_COW_COMMON is not set
+CONFIG_BLK_DEV_LOOP=y
+# CONFIG_BLK_DEV_CRYPTOLOOP is not set
+# CONFIG_BLK_DEV_NBD is not set
+# CONFIG_BLK_DEV_UB is not set
+# CONFIG_BLK_DEV_RAM is not set
+# CONFIG_CDROM_PKTCDVD is not set
+# CONFIG_ATA_OVER_ETH is not set
+# CONFIG_MISC_DEVICES is not set
+CONFIG_HAVE_IDE=y
+# CONFIG_IDE is not set
+
+#
+# SCSI device support
+#
+# CONFIG_RAID_ATTRS is not set
+CONFIG_SCSI=y
+CONFIG_SCSI_DMA=y
+# CONFIG_SCSI_TGT is not set
+# CONFIG_SCSI_NETLINK is not set
+# CONFIG_SCSI_PROC_FS is not set
+
+#
+# SCSI support type (disk, tape, CD-ROM)
+#
+CONFIG_BLK_DEV_SD=y
+# CONFIG_CHR_DEV_ST is not set
+# CONFIG_CHR_DEV_OSST is not set
+CONFIG_BLK_DEV_SR=m
+# CONFIG_BLK_DEV_SR_VENDOR is not set
+CONFIG_CHR_DEV_SG=m
+# CONFIG_CHR_DEV_SCH is not set
+
+#
+# Some SCSI devices (e.g. CD jukebox) support multiple LUNs
+#
+# CONFIG_SCSI_MULTI_LUN is not set
+# CONFIG_SCSI_CONSTANTS is not set
+# CONFIG_SCSI_LOGGING is not set
+# CONFIG_SCSI_SCAN_ASYNC is not set
+CONFIG_SCSI_WAIT_SCAN=m
+
+#
+# SCSI Transports
+#
+# CONFIG_SCSI_SPI_ATTRS is not set
+# CONFIG_SCSI_FC_ATTRS is not set
+# CONFIG_SCSI_ISCSI_ATTRS is not set
+# CONFIG_SCSI_SAS_LIBSAS is not set
+# CONFIG_SCSI_SRP_ATTRS is not set
+CONFIG_SCSI_LOWLEVEL=y
+# CONFIG_ISCSI_TCP is not set
+# CONFIG_SCSI_DEBUG is not set
+CONFIG_ATA=y
+# CONFIG_ATA_NONSTANDARD is not set
+CONFIG_SATA_PMP=y
+CONFIG_ATA_SFF=y
+CONFIG_SATA_MV=y
+# CONFIG_PATA_PLATFORM is not set
+# CONFIG_MD is not set
+CONFIG_NETDEVICES=y
+# CONFIG_NETDEVICES_MULTIQUEUE is not set
+# CONFIG_DUMMY is not set
+# CONFIG_BONDING is not set
+# CONFIG_MACVLAN is not set
+# CONFIG_EQUALIZER is not set
+# CONFIG_TUN is not set
+# CONFIG_VETH is not set
+# CONFIG_PHYLIB is not set
+CONFIG_NET_ETHERNET=y
+CONFIG_MII=y
+# CONFIG_AX88796 is not set
+# CONFIG_SMC91X is not set
+# CONFIG_DM9000 is not set
+# CONFIG_ENC28J60 is not set
+# CONFIG_IBM_NEW_EMAC_ZMII is not set
+# CONFIG_IBM_NEW_EMAC_RGMII is not set
+# CONFIG_IBM_NEW_EMAC_TAH is not set
+# CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_B44 is not set
+CONFIG_NETDEV_1000=y
+# CONFIG_E1000E_ENABLED is not set
+CONFIG_MV643XX_ETH=y
+# CONFIG_NETDEV_10000 is not set
+
+#
+# Wireless LAN
+#
+# CONFIG_WLAN_PRE80211 is not set
+# CONFIG_WLAN_80211 is not set
+# CONFIG_IWLWIFI_LEDS is not set
+
+#
+# USB Network Adapters
+#
+# CONFIG_USB_CATC is not set
+# CONFIG_USB_KAWETH is not set
+# CONFIG_USB_PEGASUS is not set
+# CONFIG_USB_RTL8150 is not set
+# CONFIG_USB_USBNET is not set
+# CONFIG_WAN is not set
+# CONFIG_PPP is not set
+# CONFIG_SLIP is not set
+# CONFIG_NETCONSOLE is not set
+# CONFIG_NETPOLL is not set
+# CONFIG_NET_POLL_CONTROLLER is not set
+# CONFIG_ISDN is not set
+
+#
+# Input device support
+#
+CONFIG_INPUT=y
+# CONFIG_INPUT_FF_MEMLESS is not set
+# CONFIG_INPUT_POLLDEV is not set
+
+#
+# Userland interfaces
+#
+CONFIG_INPUT_MOUSEDEV=y
+CONFIG_INPUT_MOUSEDEV_PSAUX=y
+CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
+CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
+# CONFIG_INPUT_JOYDEV is not set
+# CONFIG_INPUT_EVDEV is not set
+# CONFIG_INPUT_EVBUG is not set
+
+#
+# Input Device Drivers
+#
+# CONFIG_INPUT_KEYBOARD is not set
+# CONFIG_INPUT_MOUSE is not set
+# CONFIG_INPUT_JOYSTICK is not set
+# CONFIG_INPUT_TABLET is not set
+# CONFIG_INPUT_TOUCHSCREEN is not set
+# CONFIG_INPUT_MISC is not set
+
+#
+# Hardware I/O ports
+#
+# CONFIG_SERIO is not set
+# CONFIG_GAMEPORT is not set
+
+#
+# Character devices
+#
+CONFIG_VT=y
+CONFIG_VT_CONSOLE=y
+CONFIG_HW_CONSOLE=y
+# CONFIG_VT_HW_CONSOLE_BINDING is not set
+CONFIG_DEVKMEM=y
+# CONFIG_SERIAL_NONSTANDARD is not set
+
+#
+# Serial drivers
+#
+CONFIG_SERIAL_8250=y
+CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_SERIAL_8250_NR_UARTS=4
+CONFIG_SERIAL_8250_RUNTIME_UARTS=2
+# CONFIG_SERIAL_8250_EXTENDED is not set
+
+#
+# Non-8250 serial port support
+#
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+CONFIG_UNIX98_PTYS=y
+CONFIG_LEGACY_PTYS=y
+CONFIG_LEGACY_PTY_COUNT=16
+# CONFIG_IPMI_HANDLER is not set
+CONFIG_HW_RANDOM=m
+# CONFIG_NVRAM is not set
+# CONFIG_R3964 is not set
+# CONFIG_RAW_DRIVER is not set
+# CONFIG_TCG_TPM is not set
+CONFIG_I2C=y
+CONFIG_I2C_BOARDINFO=y
+CONFIG_I2C_CHARDEV=y
+
+#
+# I2C Hardware Bus support
+#
+# CONFIG_I2C_OCORES is not set
+# CONFIG_I2C_PARPORT_LIGHT is not set
+# CONFIG_I2C_SIMTEC is not set
+# CONFIG_I2C_TAOS_EVM is not set
+# CONFIG_I2C_STUB is not set
+# CONFIG_I2C_TINY_USB is not set
+# CONFIG_I2C_PCA_PLATFORM is not set
+CONFIG_I2C_MV64XXX=y
+
+#
+# Miscellaneous I2C Chip support
+#
+# CONFIG_DS1682 is not set
+# CONFIG_SENSORS_EEPROM is not set
+# CONFIG_SENSORS_PCF8574 is not set
+# CONFIG_PCF8575 is not set
+# CONFIG_SENSORS_PCF8591 is not set
+# CONFIG_SENSORS_MAX6875 is not set
+# CONFIG_SENSORS_TSL2550 is not set
+# CONFIG_I2C_DEBUG_CORE is not set
+# CONFIG_I2C_DEBUG_ALGO is not set
+# CONFIG_I2C_DEBUG_BUS is not set
+# CONFIG_I2C_DEBUG_CHIP is not set
+CONFIG_SPI=y
+CONFIG_SPI_MASTER=y
+
+#
+# SPI Master Controller Drivers
+#
+# CONFIG_SPI_BITBANG is not set
+
+#
+# SPI Protocol Masters
+#
+# CONFIG_SPI_AT25 is not set
+# CONFIG_SPI_SPIDEV is not set
+# CONFIG_SPI_TLE62X0 is not set
+# CONFIG_W1 is not set
+# CONFIG_POWER_SUPPLY is not set
+# CONFIG_HWMON is not set
+# CONFIG_WATCHDOG is not set
+
+#
+# Sonics Silicon Backplane
+#
+CONFIG_SSB_POSSIBLE=y
+# CONFIG_SSB is not set
+
+#
+# Multifunction device drivers
+#
+# CONFIG_MFD_SM501 is not set
+# CONFIG_MFD_ASIC3 is not set
+# CONFIG_HTC_PASIC3 is not set
+
+#
+# Multimedia devices
+#
+
+#
+# Multimedia core support
+#
+# CONFIG_VIDEO_DEV is not set
+# CONFIG_DVB_CORE is not set
+# CONFIG_VIDEO_MEDIA is not set
+
+#
+# Multimedia drivers
+#
+# CONFIG_DAB is not set
+
+#
+# Graphics support
+#
+# CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
+# CONFIG_FB is not set
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+
+#
+# Display device support
+#
+# CONFIG_DISPLAY_SUPPORT is not set
+
+#
+# Console display driver support
+#
+# CONFIG_VGA_CONSOLE is not set
+CONFIG_DUMMY_CONSOLE=y
+
+#
+# Sound
+#
+# CONFIG_SOUND is not set
+CONFIG_HID_SUPPORT=y
+CONFIG_HID=y
+# CONFIG_HID_DEBUG is not set
+# CONFIG_HIDRAW is not set
+
+#
+# USB Input Devices
+#
+CONFIG_USB_HID=y
+# CONFIG_USB_HIDINPUT_POWERBOOK is not set
+# CONFIG_HID_FF is not set
+# CONFIG_USB_HIDDEV is not set
+CONFIG_USB_SUPPORT=y
+CONFIG_USB_ARCH_HAS_HCD=y
+# CONFIG_USB_ARCH_HAS_OHCI is not set
+# CONFIG_USB_ARCH_HAS_EHCI is not set
+CONFIG_USB=y
+# CONFIG_USB_DEBUG is not set
+# CONFIG_USB_ANNOUNCE_NEW_DEVICES is not set
+
+#
+# Miscellaneous USB options
+#
+CONFIG_USB_DEVICEFS=y
+CONFIG_USB_DEVICE_CLASS=y
+# CONFIG_USB_DYNAMIC_MINORS is not set
+# CONFIG_USB_OTG is not set
+# CONFIG_USB_OTG_WHITELIST is not set
+# CONFIG_USB_OTG_BLACKLIST_HUB is not set
+
+#
+# USB Host Controller Drivers
+#
+# CONFIG_USB_C67X00_HCD is not set
+# CONFIG_USB_ISP116X_HCD is not set
+# CONFIG_USB_ISP1760_HCD is not set
+# CONFIG_USB_SL811_HCD is not set
+# CONFIG_USB_R8A66597_HCD is not set
+
+#
+# USB Device Class drivers
+#
+# CONFIG_USB_ACM is not set
+CONFIG_USB_PRINTER=y
+# CONFIG_USB_WDM is not set
+
+#
+# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
+#
+
+#
+# may also be needed; see USB_STORAGE Help for more information
+#
+CONFIG_USB_STORAGE=y
+# CONFIG_USB_STORAGE_DEBUG is not set
+CONFIG_USB_STORAGE_DATAFAB=y
+CONFIG_USB_STORAGE_FREECOM=y
+# CONFIG_USB_STORAGE_ISD200 is not set
+CONFIG_USB_STORAGE_DPCM=y
+# CONFIG_USB_STORAGE_USBAT is not set
+CONFIG_USB_STORAGE_SDDR09=y
+CONFIG_USB_STORAGE_SDDR55=y
+CONFIG_USB_STORAGE_JUMPSHOT=y
+# CONFIG_USB_STORAGE_ALAUDA is not set
+# CONFIG_USB_STORAGE_ONETOUCH is not set
+# CONFIG_USB_STORAGE_KARMA is not set
+# CONFIG_USB_STORAGE_CYPRESS_ATACB is not set
+# CONFIG_USB_LIBUSUAL is not set
+
+#
+# USB Imaging devices
+#
+# CONFIG_USB_MDC800 is not set
+# CONFIG_USB_MICROTEK is not set
+# CONFIG_USB_MON is not set
+
+#
+# USB port drivers
+#
+# CONFIG_USB_SERIAL is not set
+
+#
+# USB Miscellaneous drivers
+#
+# CONFIG_USB_EMI62 is not set
+# CONFIG_USB_EMI26 is not set
+# CONFIG_USB_ADUTUX is not set
+# CONFIG_USB_AUERSWALD is not set
+# CONFIG_USB_RIO500 is not set
+# CONFIG_USB_LEGOTOWER is not set
+# CONFIG_USB_LCD is not set
+# CONFIG_USB_BERRY_CHARGE is not set
+# CONFIG_USB_LED is not set
+# CONFIG_USB_CYPRESS_CY7C63 is not set
+# CONFIG_USB_CYTHERM is not set
+# CONFIG_USB_PHIDGET is not set
+# CONFIG_USB_IDMOUSE is not set
+# CONFIG_USB_FTDI_ELAN is not set
+# CONFIG_USB_APPLEDISPLAY is not set
+# CONFIG_USB_LD is not set
+# CONFIG_USB_TRANCEVIBRATOR is not set
+# CONFIG_USB_IOWARRIOR is not set
+# CONFIG_USB_TEST is not set
+# CONFIG_USB_ISIGHTFW is not set
+# CONFIG_USB_GADGET is not set
+# CONFIG_MMC is not set
+CONFIG_NEW_LEDS=y
+# CONFIG_LEDS_CLASS is not set
+
+#
+# LED drivers
+#
+
+#
+# LED Triggers
+#
+# CONFIG_LEDS_TRIGGERS is not set
+CONFIG_RTC_LIB=y
+# CONFIG_RTC_CLASS is not set
+# CONFIG_UIO is not set
+
+#
+# File systems
+#
+CONFIG_EXT2_FS=y
+# CONFIG_EXT2_FS_XATTR is not set
+# CONFIG_EXT2_FS_XIP is not set
+CONFIG_EXT3_FS=y
+# CONFIG_EXT3_FS_XATTR is not set
+# CONFIG_EXT4DEV_FS is not set
+CONFIG_JBD=y
+# CONFIG_REISERFS_FS is not set
+# CONFIG_JFS_FS is not set
+# CONFIG_FS_POSIX_ACL is not set
+CONFIG_XFS_FS=y
+# CONFIG_XFS_QUOTA is not set
+# CONFIG_XFS_POSIX_ACL is not set
+# CONFIG_XFS_RT is not set
+# CONFIG_XFS_DEBUG is not set
+# CONFIG_OCFS2_FS is not set
+CONFIG_DNOTIFY=y
+CONFIG_INOTIFY=y
+CONFIG_INOTIFY_USER=y
+# CONFIG_QUOTA is not set
+# CONFIG_AUTOFS_FS is not set
+# CONFIG_AUTOFS4_FS is not set
+# CONFIG_FUSE_FS is not set
+
+#
+# CD-ROM/DVD Filesystems
+#
+CONFIG_ISO9660_FS=y
+# CONFIG_JOLIET is not set
+# CONFIG_ZISOFS is not set
+CONFIG_UDF_FS=m
+CONFIG_UDF_NLS=y
+
+#
+# DOS/FAT/NT Filesystems
+#
+CONFIG_FAT_FS=y
+CONFIG_MSDOS_FS=y
+CONFIG_VFAT_FS=y
+CONFIG_FAT_DEFAULT_CODEPAGE=437
+CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
+# CONFIG_NTFS_FS is not set
+
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+CONFIG_PROC_SYSCTL=y
+CONFIG_SYSFS=y
+CONFIG_TMPFS=y
+# CONFIG_TMPFS_POSIX_ACL is not set
+# CONFIG_HUGETLB_PAGE is not set
+# CONFIG_CONFIGFS_FS is not set
+
+#
+# Miscellaneous filesystems
+#
+# CONFIG_ADFS_FS is not set
+# CONFIG_AFFS_FS is not set
+# CONFIG_HFS_FS is not set
+# CONFIG_HFSPLUS_FS is not set
+# CONFIG_BEFS_FS is not set
+# CONFIG_BFS_FS is not set
+# CONFIG_EFS_FS is not set
+CONFIG_JFFS2_FS=y
+CONFIG_JFFS2_FS_DEBUG=0
+CONFIG_JFFS2_FS_WRITEBUFFER=y
+# CONFIG_JFFS2_FS_WBUF_VERIFY is not set
+# CONFIG_JFFS2_SUMMARY is not set
+# CONFIG_JFFS2_FS_XATTR is not set
+# CONFIG_JFFS2_COMPRESSION_OPTIONS is not set
+CONFIG_JFFS2_ZLIB=y
+# CONFIG_JFFS2_LZO is not set
+CONFIG_JFFS2_RTIME=y
+# CONFIG_JFFS2_RUBIN is not set
+CONFIG_CRAMFS=y
+# CONFIG_VXFS_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_HPFS_FS is not set
+# CONFIG_QNX4FS_FS is not set
+# CONFIG_ROMFS_FS is not set
+# CONFIG_SYSV_FS is not set
+# CONFIG_UFS_FS is not set
+CONFIG_NETWORK_FILESYSTEMS=y
+CONFIG_NFS_FS=y
+CONFIG_NFS_V3=y
+# CONFIG_NFS_V3_ACL is not set
+# CONFIG_NFS_V4 is not set
+# CONFIG_NFSD is not set
+CONFIG_ROOT_NFS=y
+CONFIG_LOCKD=y
+CONFIG_LOCKD_V4=y
+CONFIG_NFS_COMMON=y
+CONFIG_SUNRPC=y
+# CONFIG_SUNRPC_BIND34 is not set
+# CONFIG_RPCSEC_GSS_KRB5 is not set
+# CONFIG_RPCSEC_GSS_SPKM3 is not set
+# CONFIG_SMB_FS is not set
+# CONFIG_CIFS is not set
+# CONFIG_NCP_FS is not set
+# CONFIG_CODA_FS is not set
+# CONFIG_AFS_FS is not set
+
+#
+# Partition Types
+#
+CONFIG_PARTITION_ADVANCED=y
+# CONFIG_ACORN_PARTITION is not set
+# CONFIG_OSF_PARTITION is not set
+# CONFIG_AMIGA_PARTITION is not set
+# CONFIG_ATARI_PARTITION is not set
+# CONFIG_MAC_PARTITION is not set
+CONFIG_MSDOS_PARTITION=y
+CONFIG_BSD_DISKLABEL=y
+CONFIG_MINIX_SUBPARTITION=y
+CONFIG_SOLARIS_X86_PARTITION=y
+CONFIG_UNIXWARE_DISKLABEL=y
+CONFIG_LDM_PARTITION=y
+CONFIG_LDM_DEBUG=y
+# CONFIG_SGI_PARTITION is not set
+# CONFIG_ULTRIX_PARTITION is not set
+CONFIG_SUN_PARTITION=y
+# CONFIG_KARMA_PARTITION is not set
+# CONFIG_EFI_PARTITION is not set
+# CONFIG_SYSV68_PARTITION is not set
+CONFIG_NLS=y
+CONFIG_NLS_DEFAULT="iso8859-1"
+CONFIG_NLS_CODEPAGE_437=y
+# CONFIG_NLS_CODEPAGE_737 is not set
+# CONFIG_NLS_CODEPAGE_775 is not set
+CONFIG_NLS_CODEPAGE_850=y
+# CONFIG_NLS_CODEPAGE_852 is not set
+# CONFIG_NLS_CODEPAGE_855 is not set
+# CONFIG_NLS_CODEPAGE_857 is not set
+# CONFIG_NLS_CODEPAGE_860 is not set
+# CONFIG_NLS_CODEPAGE_861 is not set
+# CONFIG_NLS_CODEPAGE_862 is not set
+# CONFIG_NLS_CODEPAGE_863 is not set
+# CONFIG_NLS_CODEPAGE_864 is not set
+# CONFIG_NLS_CODEPAGE_865 is not set
+# CONFIG_NLS_CODEPAGE_866 is not set
+# CONFIG_NLS_CODEPAGE_869 is not set
+# CONFIG_NLS_CODEPAGE_936 is not set
+# CONFIG_NLS_CODEPAGE_950 is not set
+# CONFIG_NLS_CODEPAGE_932 is not set
+# CONFIG_NLS_CODEPAGE_949 is not set
+# CONFIG_NLS_CODEPAGE_874 is not set
+# CONFIG_NLS_ISO8859_8 is not set
+# CONFIG_NLS_CODEPAGE_1250 is not set
+# CONFIG_NLS_CODEPAGE_1251 is not set
+# CONFIG_NLS_ASCII is not set
+CONFIG_NLS_ISO8859_1=y
+CONFIG_NLS_ISO8859_2=y
+# CONFIG_NLS_ISO8859_3 is not set
+# CONFIG_NLS_ISO8859_4 is not set
+# CONFIG_NLS_ISO8859_5 is not set
+# CONFIG_NLS_ISO8859_6 is not set
+# CONFIG_NLS_ISO8859_7 is not set
+# CONFIG_NLS_ISO8859_9 is not set
+# CONFIG_NLS_ISO8859_13 is not set
+# CONFIG_NLS_ISO8859_14 is not set
+# CONFIG_NLS_ISO8859_15 is not set
+# CONFIG_NLS_KOI8_R is not set
+# CONFIG_NLS_KOI8_U is not set
+# CONFIG_NLS_UTF8 is not set
+# CONFIG_DLM is not set
+
+#
+# Kernel hacking
+#
+# CONFIG_PRINTK_TIME is not set
+CONFIG_ENABLE_WARN_DEPRECATED=y
+CONFIG_ENABLE_MUST_CHECK=y
+CONFIG_FRAME_WARN=1024
+CONFIG_MAGIC_SYSRQ=y
+# CONFIG_UNUSED_SYMBOLS is not set
+# CONFIG_DEBUG_FS is not set
+# CONFIG_HEADERS_CHECK is not set
+# CONFIG_DEBUG_KERNEL is not set
+# CONFIG_DEBUG_BUGVERBOSE is not set
+CONFIG_FRAME_POINTER=y
+# CONFIG_LATENCYTOP is not set
+# CONFIG_SAMPLES is not set
+CONFIG_DEBUG_USER=y
+
+#
+# Security options
+#
+# CONFIG_KEYS is not set
+# CONFIG_SECURITY is not set
+# CONFIG_SECURITY_FILE_CAPABILITIES is not set
+CONFIG_CRYPTO=y
+
+#
+# Crypto core or helper
+#
+CONFIG_CRYPTO_ALGAPI=m
+CONFIG_CRYPTO_BLKCIPHER=m
+CONFIG_CRYPTO_MANAGER=m
+# CONFIG_CRYPTO_GF128MUL is not set
+# CONFIG_CRYPTO_NULL is not set
+# CONFIG_CRYPTO_CRYPTD is not set
+# CONFIG_CRYPTO_AUTHENC is not set
+# CONFIG_CRYPTO_TEST is not set
+
+#
+# Authenticated Encryption with Associated Data
+#
+# CONFIG_CRYPTO_CCM is not set
+# CONFIG_CRYPTO_GCM is not set
+# CONFIG_CRYPTO_SEQIV is not set
+
+#
+# Block modes
+#
+CONFIG_CRYPTO_CBC=m
+# CONFIG_CRYPTO_CTR is not set
+# CONFIG_CRYPTO_CTS is not set
+CONFIG_CRYPTO_ECB=m
+# CONFIG_CRYPTO_LRW is not set
+CONFIG_CRYPTO_PCBC=m
+# CONFIG_CRYPTO_XTS is not set
+
+#
+# Hash modes
+#
+# CONFIG_CRYPTO_HMAC is not set
+# CONFIG_CRYPTO_XCBC is not set
+
+#
+# Digest
+#
+# CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_MD4 is not set
+# CONFIG_CRYPTO_MD5 is not set
+# CONFIG_CRYPTO_MICHAEL_MIC is not set
+# CONFIG_CRYPTO_SHA1 is not set
+# CONFIG_CRYPTO_SHA256 is not set
+# CONFIG_CRYPTO_SHA512 is not set
+# CONFIG_CRYPTO_TGR192 is not set
+# CONFIG_CRYPTO_WP512 is not set
+
+#
+# Ciphers
+#
+# CONFIG_CRYPTO_AES is not set
+# CONFIG_CRYPTO_ANUBIS is not set
+# CONFIG_CRYPTO_ARC4 is not set
+# CONFIG_CRYPTO_BLOWFISH is not set
+# CONFIG_CRYPTO_CAMELLIA is not set
+# CONFIG_CRYPTO_CAST5 is not set
+# CONFIG_CRYPTO_CAST6 is not set
+# CONFIG_CRYPTO_DES is not set
+# CONFIG_CRYPTO_FCRYPT is not set
+# CONFIG_CRYPTO_KHAZAD is not set
+# CONFIG_CRYPTO_SALSA20 is not set
+# CONFIG_CRYPTO_SEED is not set
+# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_TEA is not set
+# CONFIG_CRYPTO_TWOFISH is not set
+
+#
+# Compression
+#
+# CONFIG_CRYPTO_DEFLATE is not set
+# CONFIG_CRYPTO_LZO is not set
+CONFIG_CRYPTO_HW=y
+
+#
+# Library routines
+#
+CONFIG_BITREVERSE=y
+# CONFIG_GENERIC_FIND_FIRST_BIT is not set
+# CONFIG_GENERIC_FIND_NEXT_BIT is not set
+CONFIG_CRC_CCITT=y
+CONFIG_CRC16=y
+CONFIG_CRC_ITU_T=m
+CONFIG_CRC32=y
+# CONFIG_CRC7 is not set
+CONFIG_LIBCRC32C=y
+CONFIG_ZLIB_INFLATE=y
+CONFIG_ZLIB_DEFLATE=y
+CONFIG_PLIST=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
+CONFIG_HAS_DMA=y
diff --git a/arch/arm/configs/lpd270_defconfig b/arch/arm/configs/lpd270_defconfig
index a3bf5833b87..1a38d8e3fe6 100644
--- a/arch/arm/configs/lpd270_defconfig
+++ b/arch/arm/configs/lpd270_defconfig
@@ -173,7 +173,6 @@ CONFIG_XSCALE_PMU=y
# Kernel Features
#
# CONFIG_PREEMPT is not set
-# CONFIG_NO_IDLE_HZ is not set
CONFIG_HZ=100
# CONFIG_AEABI is not set
# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
diff --git a/arch/arm/configs/lpd7a404_defconfig b/arch/arm/configs/lpd7a404_defconfig
index 46a0f7fe1fa..7a2e932da1c 100644
--- a/arch/arm/configs/lpd7a404_defconfig
+++ b/arch/arm/configs/lpd7a404_defconfig
@@ -148,7 +148,6 @@ CONFIG_ARM_AMBA=y
# Kernel Features
#
CONFIG_PREEMPT=y
-# CONFIG_NO_IDLE_HZ is not set
# CONFIG_AEABI is not set
CONFIG_ARCH_DISCONTIGMEM_ENABLE=y
CONFIG_SELECT_MEMORY_MODEL=y
diff --git a/arch/arm/configs/mv78xx0_defconfig b/arch/arm/configs/mv78xx0_defconfig
new file mode 100644
index 00000000000..d38ebf8721a
--- /dev/null
+++ b/arch/arm/configs/mv78xx0_defconfig
@@ -0,0 +1,1445 @@
+#
+# Automatically generated make config: don't edit
+# Linux kernel version: 2.6.26-rc5
+# Fri Jun 13 02:57:32 2008
+#
+CONFIG_ARM=y
+CONFIG_SYS_SUPPORTS_APM_EMULATION=y
+# CONFIG_GENERIC_GPIO is not set
+CONFIG_GENERIC_TIME=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+CONFIG_MMU=y
+# CONFIG_NO_IOPORT is not set
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
+CONFIG_HARDIRQS_SW_RESEND=y
+CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+# CONFIG_ARCH_HAS_ILOG2_U32 is not set
+# CONFIG_ARCH_HAS_ILOG2_U64 is not set
+CONFIG_GENERIC_HWEIGHT=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_ARCH_SUPPORTS_AOUT=y
+CONFIG_ZONE_DMA=y
+CONFIG_VECTORS_BASE=0xffff0000
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+
+#
+# General setup
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_BROKEN_ON_SMP=y
+CONFIG_LOCK_KERNEL=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+CONFIG_LOCALVERSION=""
+CONFIG_LOCALVERSION_AUTO=y
+CONFIG_SWAP=y
+CONFIG_SYSVIPC=y
+CONFIG_SYSVIPC_SYSCTL=y
+# CONFIG_POSIX_MQUEUE is not set
+# CONFIG_BSD_PROCESS_ACCT is not set
+# CONFIG_TASKSTATS is not set
+# CONFIG_AUDIT is not set
+# CONFIG_IKCONFIG is not set
+CONFIG_LOG_BUF_SHIFT=14
+# CONFIG_CGROUPS is not set
+# CONFIG_GROUP_SCHED is not set
+CONFIG_SYSFS_DEPRECATED=y
+CONFIG_SYSFS_DEPRECATED_V2=y
+# CONFIG_RELAY is not set
+# CONFIG_NAMESPACES is not set
+# CONFIG_BLK_DEV_INITRD is not set
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_SYSCTL=y
+CONFIG_EMBEDDED=y
+CONFIG_UID16=y
+CONFIG_SYSCTL_SYSCALL=y
+CONFIG_SYSCTL_SYSCALL_CHECK=y
+CONFIG_KALLSYMS=y
+CONFIG_KALLSYMS_ALL=y
+# CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_HOTPLUG=y
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_ELF_CORE=y
+CONFIG_COMPAT_BRK=y
+CONFIG_BASE_FULL=y
+CONFIG_FUTEX=y
+CONFIG_ANON_INODES=y
+CONFIG_EPOLL=y
+CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
+CONFIG_EVENTFD=y
+CONFIG_SHMEM=y
+CONFIG_VM_EVENT_COUNTERS=y
+# CONFIG_SLUB_DEBUG is not set
+# CONFIG_SLAB is not set
+CONFIG_SLUB=y
+# CONFIG_SLOB is not set
+CONFIG_PROFILING=y
+# CONFIG_MARKERS is not set
+CONFIG_OPROFILE=y
+CONFIG_HAVE_OPROFILE=y
+CONFIG_KPROBES=y
+CONFIG_KRETPROBES=y
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+# CONFIG_HAVE_DMA_ATTRS is not set
+CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_RT_MUTEXES=y
+# CONFIG_TINY_SHMEM is not set
+CONFIG_BASE_SMALL=0
+CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
+CONFIG_MODULE_UNLOAD=y
+# CONFIG_MODULE_FORCE_UNLOAD is not set
+# CONFIG_MODVERSIONS is not set
+# CONFIG_MODULE_SRCVERSION_ALL is not set
+# CONFIG_KMOD is not set
+CONFIG_BLOCK=y
+# CONFIG_LBD is not set
+# CONFIG_BLK_DEV_IO_TRACE is not set
+# CONFIG_LSF is not set
+# CONFIG_BLK_DEV_BSG is not set
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+CONFIG_IOSCHED_AS=y
+CONFIG_IOSCHED_DEADLINE=y
+CONFIG_IOSCHED_CFQ=y
+# CONFIG_DEFAULT_AS is not set
+# CONFIG_DEFAULT_DEADLINE is not set
+CONFIG_DEFAULT_CFQ=y
+# CONFIG_DEFAULT_NOOP is not set
+CONFIG_DEFAULT_IOSCHED="cfq"
+CONFIG_CLASSIC_RCU=y
+
+#
+# System Type
+#
+# CONFIG_ARCH_AAEC2000 is not set
+# CONFIG_ARCH_INTEGRATOR is not set
+# CONFIG_ARCH_REALVIEW is not set
+# CONFIG_ARCH_VERSATILE is not set
+# CONFIG_ARCH_AT91 is not set
+# CONFIG_ARCH_CLPS7500 is not set
+# CONFIG_ARCH_CLPS711X is not set
+# CONFIG_ARCH_CO285 is not set
+# CONFIG_ARCH_EBSA110 is not set
+# CONFIG_ARCH_EP93XX is not set
+# CONFIG_ARCH_FOOTBRIDGE is not set
+# CONFIG_ARCH_NETX is not set
+# CONFIG_ARCH_H720X is not set
+# CONFIG_ARCH_IMX is not set
+# CONFIG_ARCH_IOP13XX is not set
+# CONFIG_ARCH_IOP32X is not set
+# CONFIG_ARCH_IOP33X is not set
+# CONFIG_ARCH_IXP23XX is not set
+# CONFIG_ARCH_IXP2000 is not set
+# CONFIG_ARCH_IXP4XX is not set
+# CONFIG_ARCH_L7200 is not set
+# CONFIG_ARCH_KIRKWOOD is not set
+# CONFIG_ARCH_KS8695 is not set
+# CONFIG_ARCH_NS9XXX is not set
+# CONFIG_ARCH_LOKI is not set
+CONFIG_ARCH_MV78XX0=y
+# CONFIG_ARCH_MXC is not set
+# CONFIG_ARCH_ORION5X is not set
+# CONFIG_ARCH_PNX4008 is not set
+# CONFIG_ARCH_PXA is not set
+# CONFIG_ARCH_RPC is not set
+# CONFIG_ARCH_SA1100 is not set
+# CONFIG_ARCH_S3C2410 is not set
+# CONFIG_ARCH_SHARK is not set
+# CONFIG_ARCH_LH7A40X is not set
+# CONFIG_ARCH_DAVINCI is not set
+# CONFIG_ARCH_OMAP is not set
+# CONFIG_ARCH_MSM7X00A is not set
+
+#
+# Marvell MV78xx0 Implementations
+#
+CONFIG_MACH_DB78X00_BP=y
+
+#
+# Boot options
+#
+
+#
+# Power management
+#
+CONFIG_PLAT_ORION=y
+
+#
+# Processor Type
+#
+CONFIG_CPU_32=y
+CONFIG_CPU_FEROCEON=y
+CONFIG_CPU_FEROCEON_OLD_ID=y
+CONFIG_CPU_32v5=y
+CONFIG_CPU_ABRT_EV5T=y
+CONFIG_CPU_PABRT_NOIFAR=y
+CONFIG_CPU_CACHE_VIVT=y
+CONFIG_CPU_COPY_FEROCEON=y
+CONFIG_CPU_TLB_FEROCEON=y
+CONFIG_CPU_CP15=y
+CONFIG_CPU_CP15_MMU=y
+
+#
+# Processor Features
+#
+CONFIG_ARM_THUMB=y
+# CONFIG_CPU_ICACHE_DISABLE is not set
+# CONFIG_CPU_DCACHE_DISABLE is not set
+CONFIG_OUTER_CACHE=y
+CONFIG_CACHE_FEROCEON_L2=y
+
+#
+# Bus support
+#
+CONFIG_PCI=y
+CONFIG_PCI_SYSCALL=y
+# CONFIG_ARCH_SUPPORTS_MSI is not set
+CONFIG_PCI_LEGACY=y
+# CONFIG_PCI_DEBUG is not set
+# CONFIG_PCCARD is not set
+
+#
+# Kernel Features
+#
+CONFIG_TICK_ONESHOT=y
+CONFIG_NO_HZ=y
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
+CONFIG_PREEMPT=y
+CONFIG_HZ=100
+CONFIG_AEABI=y
+CONFIG_OABI_COMPAT=y
+# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+# CONFIG_SPARSEMEM_STATIC is not set
+# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
+CONFIG_PAGEFLAGS_EXTENDED=y
+CONFIG_SPLIT_PTLOCK_CPUS=4096
+# CONFIG_RESOURCES_64BIT is not set
+CONFIG_ZONE_DMA_FLAG=1
+CONFIG_BOUNCE=y
+CONFIG_VIRT_TO_BUS=y
+CONFIG_ALIGNMENT_TRAP=y
+
+#
+# Boot options
+#
+CONFIG_ZBOOT_ROM_TEXT=0x0
+CONFIG_ZBOOT_ROM_BSS=0x0
+CONFIG_CMDLINE=""
+# CONFIG_XIP_KERNEL is not set
+# CONFIG_KEXEC is not set
+
+#
+# Floating point emulation
+#
+
+#
+# At least one emulation must be selected
+#
+CONFIG_FPE_NWFPE=y
+# CONFIG_FPE_NWFPE_XP is not set
+# CONFIG_FPE_FASTFPE is not set
+CONFIG_VFP=y
+
+#
+# Userspace binary formats
+#
+CONFIG_BINFMT_ELF=y
+# CONFIG_BINFMT_AOUT is not set
+# CONFIG_BINFMT_MISC is not set
+
+#
+# Power management options
+#
+# CONFIG_PM is not set
+CONFIG_ARCH_SUSPEND_POSSIBLE=y
+
+#
+# Networking
+#
+CONFIG_NET=y
+
+#
+# Networking options
+#
+CONFIG_PACKET=y
+CONFIG_PACKET_MMAP=y
+CONFIG_UNIX=y
+CONFIG_XFRM=y
+# CONFIG_XFRM_USER is not set
+# CONFIG_XFRM_SUB_POLICY is not set
+# CONFIG_XFRM_MIGRATE is not set
+# CONFIG_XFRM_STATISTICS is not set
+# CONFIG_NET_KEY is not set
+CONFIG_INET=y
+CONFIG_IP_MULTICAST=y
+# CONFIG_IP_ADVANCED_ROUTER is not set
+CONFIG_IP_FIB_HASH=y
+CONFIG_IP_PNP=y
+CONFIG_IP_PNP_DHCP=y
+CONFIG_IP_PNP_BOOTP=y
+# CONFIG_IP_PNP_RARP is not set
+# CONFIG_NET_IPIP is not set
+# CONFIG_NET_IPGRE is not set
+# CONFIG_IP_MROUTE is not set
+# CONFIG_ARPD is not set
+# CONFIG_SYN_COOKIES is not set
+# CONFIG_INET_AH is not set
+# CONFIG_INET_ESP is not set
+# CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_XFRM_TUNNEL is not set
+# CONFIG_INET_TUNNEL is not set
+CONFIG_INET_XFRM_MODE_TRANSPORT=y
+CONFIG_INET_XFRM_MODE_TUNNEL=y
+CONFIG_INET_XFRM_MODE_BEET=y
+# CONFIG_INET_LRO is not set
+CONFIG_INET_DIAG=y
+CONFIG_INET_TCP_DIAG=y
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_CUBIC=y
+CONFIG_DEFAULT_TCP_CONG="cubic"
+# CONFIG_TCP_MD5SIG is not set
+# CONFIG_IPV6 is not set
+# CONFIG_NETWORK_SECMARK is not set
+# CONFIG_NETFILTER is not set
+# CONFIG_IP_DCCP is not set
+# CONFIG_IP_SCTP is not set
+# CONFIG_TIPC is not set
+# CONFIG_ATM is not set
+# CONFIG_BRIDGE is not set
+# CONFIG_VLAN_8021Q is not set
+# CONFIG_DECNET is not set
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# CONFIG_ATALK is not set
+# CONFIG_X25 is not set
+# CONFIG_LAPB is not set
+# CONFIG_ECONET is not set
+# CONFIG_WAN_ROUTER is not set
+# CONFIG_NET_SCHED is not set
+
+#
+# Network testing
+#
+CONFIG_NET_PKTGEN=m
+# CONFIG_NET_TCPPROBE is not set
+# CONFIG_HAMRADIO is not set
+# CONFIG_CAN is not set
+# CONFIG_IRDA is not set
+# CONFIG_BT is not set
+# CONFIG_AF_RXRPC is not set
+
+#
+# Wireless
+#
+# CONFIG_CFG80211 is not set
+CONFIG_WIRELESS_EXT=y
+# CONFIG_MAC80211 is not set
+# CONFIG_IEEE80211 is not set
+# CONFIG_RFKILL is not set
+# CONFIG_NET_9P is not set
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+CONFIG_STANDALONE=y
+CONFIG_PREVENT_FIRMWARE_BUILD=y
+CONFIG_FW_LOADER=y
+# CONFIG_DEBUG_DRIVER is not set
+# CONFIG_DEBUG_DEVRES is not set
+# CONFIG_SYS_HYPERVISOR is not set
+# CONFIG_CONNECTOR is not set
+CONFIG_MTD=y
+# CONFIG_MTD_DEBUG is not set
+# CONFIG_MTD_CONCAT is not set
+CONFIG_MTD_PARTITIONS=y
+# CONFIG_MTD_REDBOOT_PARTS is not set
+CONFIG_MTD_CMDLINE_PARTS=y
+# CONFIG_MTD_AFS_PARTS is not set
+# CONFIG_MTD_AR7_PARTS is not set
+
+#
+# User Modules And Translation Layers
+#
+CONFIG_MTD_CHAR=y
+CONFIG_MTD_BLKDEVS=y
+CONFIG_MTD_BLOCK=y
+# CONFIG_FTL is not set
+# CONFIG_NFTL is not set
+# CONFIG_INFTL is not set
+# CONFIG_RFD_FTL is not set
+# CONFIG_SSFDC is not set
+# CONFIG_MTD_OOPS is not set
+
+#
+# RAM/ROM/Flash chip drivers
+#
+CONFIG_MTD_CFI=y
+CONFIG_MTD_JEDECPROBE=y
+CONFIG_MTD_GEN_PROBE=y
+CONFIG_MTD_CFI_ADV_OPTIONS=y
+CONFIG_MTD_CFI_NOSWAP=y
+# CONFIG_MTD_CFI_BE_BYTE_SWAP is not set
+# CONFIG_MTD_CFI_LE_BYTE_SWAP is not set
+CONFIG_MTD_CFI_GEOMETRY=y
+CONFIG_MTD_MAP_BANK_WIDTH_1=y
+CONFIG_MTD_MAP_BANK_WIDTH_2=y
+CONFIG_MTD_MAP_BANK_WIDTH_4=y
+# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
+CONFIG_MTD_CFI_I1=y
+CONFIG_MTD_CFI_I2=y
+# CONFIG_MTD_CFI_I4 is not set
+# CONFIG_MTD_CFI_I8 is not set
+# CONFIG_MTD_OTP is not set
+CONFIG_MTD_CFI_INTELEXT=y
+CONFIG_MTD_CFI_AMDSTD=y
+# CONFIG_MTD_CFI_STAA is not set
+CONFIG_MTD_CFI_UTIL=y
+# CONFIG_MTD_RAM is not set
+# CONFIG_MTD_ROM is not set
+# CONFIG_MTD_ABSENT is not set
+
+#
+# Mapping drivers for chip access
+#
+# CONFIG_MTD_COMPLEX_MAPPINGS is not set
+CONFIG_MTD_PHYSMAP=y
+CONFIG_MTD_PHYSMAP_START=0x0
+CONFIG_MTD_PHYSMAP_LEN=0x0
+CONFIG_MTD_PHYSMAP_BANKWIDTH=0
+# CONFIG_MTD_ARM_INTEGRATOR is not set
+# CONFIG_MTD_IMPA7 is not set
+# CONFIG_MTD_INTEL_VR_NOR is not set
+# CONFIG_MTD_PLATRAM is not set
+
+#
+# Self-contained MTD device drivers
+#
+# CONFIG_MTD_PMC551 is not set
+# CONFIG_MTD_SLRAM is not set
+# CONFIG_MTD_PHRAM is not set
+# CONFIG_MTD_MTDRAM is not set
+# CONFIG_MTD_BLOCK2MTD is not set
+
+#
+# Disk-On-Chip Device Drivers
+#
+# CONFIG_MTD_DOC2000 is not set
+# CONFIG_MTD_DOC2001 is not set
+# CONFIG_MTD_DOC2001PLUS is not set
+CONFIG_MTD_NAND=y
+CONFIG_MTD_NAND_VERIFY_WRITE=y
+# CONFIG_MTD_NAND_ECC_SMC is not set
+# CONFIG_MTD_NAND_MUSEUM_IDS is not set
+CONFIG_MTD_NAND_IDS=y
+# CONFIG_MTD_NAND_DISKONCHIP is not set
+# CONFIG_MTD_NAND_CAFE is not set
+# CONFIG_MTD_NAND_NANDSIM is not set
+# CONFIG_MTD_NAND_PLATFORM is not set
+# CONFIG_MTD_ALAUDA is not set
+CONFIG_MTD_NAND_ORION=y
+# CONFIG_MTD_ONENAND is not set
+
+#
+# UBI - Unsorted block images
+#
+# CONFIG_MTD_UBI is not set
+# CONFIG_PARPORT is not set
+CONFIG_BLK_DEV=y
+# CONFIG_BLK_CPQ_DA is not set
+# CONFIG_BLK_CPQ_CISS_DA is not set
+# CONFIG_BLK_DEV_DAC960 is not set
+# CONFIG_BLK_DEV_UMEM is not set
+# CONFIG_BLK_DEV_COW_COMMON is not set
+CONFIG_BLK_DEV_LOOP=y
+# CONFIG_BLK_DEV_CRYPTOLOOP is not set
+# CONFIG_BLK_DEV_NBD is not set
+# CONFIG_BLK_DEV_SX8 is not set
+# CONFIG_BLK_DEV_UB is not set
+# CONFIG_BLK_DEV_RAM is not set
+# CONFIG_CDROM_PKTCDVD is not set
+# CONFIG_ATA_OVER_ETH is not set
+CONFIG_MISC_DEVICES=y
+# CONFIG_PHANTOM is not set
+# CONFIG_EEPROM_93CX6 is not set
+# CONFIG_SGI_IOC4 is not set
+# CONFIG_TIFM_CORE is not set
+# CONFIG_ENCLOSURE_SERVICES is not set
+CONFIG_HAVE_IDE=y
+# CONFIG_IDE is not set
+
+#
+# SCSI device support
+#
+# CONFIG_RAID_ATTRS is not set
+CONFIG_SCSI=y
+CONFIG_SCSI_DMA=y
+# CONFIG_SCSI_TGT is not set
+# CONFIG_SCSI_NETLINK is not set
+# CONFIG_SCSI_PROC_FS is not set
+
+#
+# SCSI support type (disk, tape, CD-ROM)
+#
+CONFIG_BLK_DEV_SD=y
+# CONFIG_CHR_DEV_ST is not set
+# CONFIG_CHR_DEV_OSST is not set
+CONFIG_BLK_DEV_SR=m
+# CONFIG_BLK_DEV_SR_VENDOR is not set
+CONFIG_CHR_DEV_SG=m
+# CONFIG_CHR_DEV_SCH is not set
+
+#
+# Some SCSI devices (e.g. CD jukebox) support multiple LUNs
+#
+# CONFIG_SCSI_MULTI_LUN is not set
+# CONFIG_SCSI_CONSTANTS is not set
+# CONFIG_SCSI_LOGGING is not set
+# CONFIG_SCSI_SCAN_ASYNC is not set
+CONFIG_SCSI_WAIT_SCAN=m
+
+#
+# SCSI Transports
+#
+# CONFIG_SCSI_SPI_ATTRS is not set
+# CONFIG_SCSI_FC_ATTRS is not set
+# CONFIG_SCSI_ISCSI_ATTRS is not set
+# CONFIG_SCSI_SAS_LIBSAS is not set
+# CONFIG_SCSI_SRP_ATTRS is not set
+CONFIG_SCSI_LOWLEVEL=y
+# CONFIG_ISCSI_TCP is not set
+# CONFIG_BLK_DEV_3W_XXXX_RAID is not set
+# CONFIG_SCSI_3W_9XXX is not set
+# CONFIG_SCSI_ACARD is not set
+# CONFIG_SCSI_AACRAID is not set
+# CONFIG_SCSI_AIC7XXX is not set
+# CONFIG_SCSI_AIC7XXX_OLD is not set
+# CONFIG_SCSI_AIC79XX is not set
+# CONFIG_SCSI_AIC94XX is not set
+# CONFIG_SCSI_DPT_I2O is not set
+# CONFIG_SCSI_ADVANSYS is not set
+# CONFIG_SCSI_ARCMSR is not set
+# CONFIG_MEGARAID_NEWGEN is not set
+# CONFIG_MEGARAID_LEGACY is not set
+# CONFIG_MEGARAID_SAS is not set
+# CONFIG_SCSI_HPTIOP is not set
+# CONFIG_SCSI_DMX3191D is not set
+# CONFIG_SCSI_FUTURE_DOMAIN is not set
+# CONFIG_SCSI_IPS is not set
+# CONFIG_SCSI_INITIO is not set
+# CONFIG_SCSI_INIA100 is not set
+# CONFIG_SCSI_MVSAS is not set
+# CONFIG_SCSI_STEX is not set
+# CONFIG_SCSI_SYM53C8XX_2 is not set
+# CONFIG_SCSI_IPR is not set
+# CONFIG_SCSI_QLOGIC_1280 is not set
+# CONFIG_SCSI_QLA_FC is not set
+# CONFIG_SCSI_QLA_ISCSI is not set
+# CONFIG_SCSI_LPFC is not set
+# CONFIG_SCSI_DC395x is not set
+# CONFIG_SCSI_DC390T is not set
+# CONFIG_SCSI_NSP32 is not set
+# CONFIG_SCSI_DEBUG is not set
+# CONFIG_SCSI_SRP is not set
+CONFIG_ATA=y
+# CONFIG_ATA_NONSTANDARD is not set
+CONFIG_SATA_PMP=y
+# CONFIG_SATA_AHCI is not set
+# CONFIG_SATA_SIL24 is not set
+CONFIG_ATA_SFF=y
+# CONFIG_SATA_SVW is not set
+# CONFIG_ATA_PIIX is not set
+CONFIG_SATA_MV=y
+# CONFIG_SATA_NV is not set
+# CONFIG_PDC_ADMA is not set
+# CONFIG_SATA_QSTOR is not set
+# CONFIG_SATA_PROMISE is not set
+# CONFIG_SATA_SX4 is not set
+# CONFIG_SATA_SIL is not set
+# CONFIG_SATA_SIS is not set
+# CONFIG_SATA_ULI is not set
+# CONFIG_SATA_VIA is not set
+# CONFIG_SATA_VITESSE is not set
+# CONFIG_SATA_INIC162X is not set
+# CONFIG_PATA_ALI is not set
+# CONFIG_PATA_AMD is not set
+# CONFIG_PATA_ARTOP is not set
+# CONFIG_PATA_ATIIXP is not set
+# CONFIG_PATA_CMD640_PCI is not set
+# CONFIG_PATA_CMD64X is not set
+# CONFIG_PATA_CS5520 is not set
+# CONFIG_PATA_CS5530 is not set
+# CONFIG_PATA_CYPRESS is not set
+# CONFIG_PATA_EFAR is not set
+# CONFIG_ATA_GENERIC is not set
+# CONFIG_PATA_HPT366 is not set
+# CONFIG_PATA_HPT37X is not set
+# CONFIG_PATA_HPT3X2N is not set
+# CONFIG_PATA_HPT3X3 is not set
+# CONFIG_PATA_IT821X is not set
+# CONFIG_PATA_IT8213 is not set
+# CONFIG_PATA_JMICRON is not set
+# CONFIG_PATA_TRIFLEX is not set
+# CONFIG_PATA_MARVELL is not set
+# CONFIG_PATA_MPIIX is not set
+# CONFIG_PATA_OLDPIIX is not set
+# CONFIG_PATA_NETCELL is not set
+# CONFIG_PATA_NINJA32 is not set
+# CONFIG_PATA_NS87410 is not set
+# CONFIG_PATA_NS87415 is not set
+# CONFIG_PATA_OPTI is not set
+# CONFIG_PATA_OPTIDMA is not set
+# CONFIG_PATA_PDC_OLD is not set
+# CONFIG_PATA_RADISYS is not set
+# CONFIG_PATA_RZ1000 is not set
+# CONFIG_PATA_SC1200 is not set
+# CONFIG_PATA_SERVERWORKS is not set
+# CONFIG_PATA_PDC2027X is not set
+# CONFIG_PATA_SIL680 is not set
+# CONFIG_PATA_SIS is not set
+# CONFIG_PATA_VIA is not set
+# CONFIG_PATA_WINBOND is not set
+# CONFIG_PATA_PLATFORM is not set
+# CONFIG_PATA_SCH is not set
+# CONFIG_MD is not set
+# CONFIG_FUSION is not set
+
+#
+# IEEE 1394 (FireWire) support
+#
+# CONFIG_FIREWIRE is not set
+# CONFIG_IEEE1394 is not set
+# CONFIG_I2O is not set
+CONFIG_NETDEVICES=y
+# CONFIG_NETDEVICES_MULTIQUEUE is not set
+# CONFIG_DUMMY is not set
+# CONFIG_BONDING is not set
+# CONFIG_MACVLAN is not set
+# CONFIG_EQUALIZER is not set
+# CONFIG_TUN is not set
+# CONFIG_VETH is not set
+# CONFIG_ARCNET is not set
+# CONFIG_PHYLIB is not set
+CONFIG_NET_ETHERNET=y
+CONFIG_MII=y
+# CONFIG_AX88796 is not set
+# CONFIG_HAPPYMEAL is not set
+# CONFIG_SUNGEM is not set
+# CONFIG_CASSINI is not set
+# CONFIG_NET_VENDOR_3COM is not set
+# CONFIG_SMC91X is not set
+# CONFIG_DM9000 is not set
+# CONFIG_NET_TULIP is not set
+# CONFIG_HP100 is not set
+# CONFIG_IBM_NEW_EMAC_ZMII is not set
+# CONFIG_IBM_NEW_EMAC_RGMII is not set
+# CONFIG_IBM_NEW_EMAC_TAH is not set
+# CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+CONFIG_NET_PCI=y
+# CONFIG_PCNET32 is not set
+# CONFIG_AMD8111_ETH is not set
+# CONFIG_ADAPTEC_STARFIRE is not set
+# CONFIG_B44 is not set
+# CONFIG_FORCEDETH is not set
+# CONFIG_EEPRO100 is not set
+# CONFIG_E100 is not set
+# CONFIG_FEALNX is not set
+# CONFIG_NATSEMI is not set
+# CONFIG_NE2K_PCI is not set
+# CONFIG_8139CP is not set
+# CONFIG_8139TOO is not set
+# CONFIG_R6040 is not set
+# CONFIG_SIS900 is not set
+# CONFIG_EPIC100 is not set
+# CONFIG_SUNDANCE is not set
+# CONFIG_TLAN is not set
+# CONFIG_VIA_RHINE is not set
+# CONFIG_SC92031 is not set
+CONFIG_NETDEV_1000=y
+# CONFIG_ACENIC is not set
+# CONFIG_DL2K is not set
+# CONFIG_E1000 is not set
+# CONFIG_E1000E is not set
+# CONFIG_E1000E_ENABLED is not set
+# CONFIG_IP1000 is not set
+# CONFIG_IGB is not set
+# CONFIG_NS83820 is not set
+# CONFIG_HAMACHI is not set
+# CONFIG_YELLOWFIN is not set
+# CONFIG_R8169 is not set
+# CONFIG_SIS190 is not set
+# CONFIG_SKGE is not set
+# CONFIG_SKY2 is not set
+# CONFIG_VIA_VELOCITY is not set
+# CONFIG_TIGON3 is not set
+# CONFIG_BNX2 is not set
+CONFIG_MV643XX_ETH=y
+# CONFIG_QLA3XXX is not set
+# CONFIG_ATL1 is not set
+# CONFIG_NETDEV_10000 is not set
+# CONFIG_TR is not set
+
+#
+# Wireless LAN
+#
+# CONFIG_WLAN_PRE80211 is not set
+# CONFIG_WLAN_80211 is not set
+# CONFIG_IWLWIFI_LEDS is not set
+
+#
+# USB Network Adapters
+#
+# CONFIG_USB_CATC is not set
+# CONFIG_USB_KAWETH is not set
+# CONFIG_USB_PEGASUS is not set
+# CONFIG_USB_RTL8150 is not set
+# CONFIG_USB_USBNET is not set
+# CONFIG_WAN is not set
+# CONFIG_FDDI is not set
+# CONFIG_HIPPI is not set
+# CONFIG_PPP is not set
+# CONFIG_SLIP is not set
+# CONFIG_NET_FC is not set
+# CONFIG_NETCONSOLE is not set
+# CONFIG_NETPOLL is not set
+# CONFIG_NET_POLL_CONTROLLER is not set
+# CONFIG_ISDN is not set
+
+#
+# Input device support
+#
+CONFIG_INPUT=y
+# CONFIG_INPUT_FF_MEMLESS is not set
+# CONFIG_INPUT_POLLDEV is not set
+
+#
+# Userland interfaces
+#
+# CONFIG_INPUT_MOUSEDEV is not set
+# CONFIG_INPUT_JOYDEV is not set
+CONFIG_INPUT_EVDEV=y
+# CONFIG_INPUT_EVBUG is not set
+
+#
+# Input Device Drivers
+#
+# CONFIG_INPUT_KEYBOARD is not set
+# CONFIG_INPUT_MOUSE is not set
+# CONFIG_INPUT_JOYSTICK is not set
+# CONFIG_INPUT_TABLET is not set
+# CONFIG_INPUT_TOUCHSCREEN is not set
+# CONFIG_INPUT_MISC is not set
+
+#
+# Hardware I/O ports
+#
+# CONFIG_SERIO is not set
+# CONFIG_GAMEPORT is not set
+
+#
+# Character devices
+#
+# CONFIG_VT is not set
+CONFIG_DEVKMEM=y
+# CONFIG_SERIAL_NONSTANDARD is not set
+# CONFIG_NOZOMI is not set
+
+#
+# Serial drivers
+#
+CONFIG_SERIAL_8250=y
+CONFIG_SERIAL_8250_CONSOLE=y
+# CONFIG_SERIAL_8250_PCI is not set
+CONFIG_SERIAL_8250_NR_UARTS=4
+CONFIG_SERIAL_8250_RUNTIME_UARTS=2
+# CONFIG_SERIAL_8250_EXTENDED is not set
+
+#
+# Non-8250 serial port support
+#
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+# CONFIG_SERIAL_JSM is not set
+CONFIG_UNIX98_PTYS=y
+CONFIG_LEGACY_PTYS=y
+CONFIG_LEGACY_PTY_COUNT=16
+# CONFIG_IPMI_HANDLER is not set
+# CONFIG_HW_RANDOM is not set
+# CONFIG_NVRAM is not set
+# CONFIG_R3964 is not set
+# CONFIG_APPLICOM is not set
+# CONFIG_RAW_DRIVER is not set
+# CONFIG_TCG_TPM is not set
+CONFIG_DEVPORT=y
+CONFIG_I2C=y
+CONFIG_I2C_BOARDINFO=y
+CONFIG_I2C_CHARDEV=y
+
+#
+# I2C Hardware Bus support
+#
+# CONFIG_I2C_ALI1535 is not set
+# CONFIG_I2C_ALI1563 is not set
+# CONFIG_I2C_ALI15X3 is not set
+# CONFIG_I2C_AMD756 is not set
+# CONFIG_I2C_AMD8111 is not set
+# CONFIG_I2C_I801 is not set
+# CONFIG_I2C_I810 is not set
+# CONFIG_I2C_PIIX4 is not set
+# CONFIG_I2C_NFORCE2 is not set
+# CONFIG_I2C_OCORES is not set
+# CONFIG_I2C_PARPORT_LIGHT is not set
+# CONFIG_I2C_PROSAVAGE is not set
+# CONFIG_I2C_SAVAGE4 is not set
+# CONFIG_I2C_SIMTEC is not set
+# CONFIG_I2C_SIS5595 is not set
+# CONFIG_I2C_SIS630 is not set
+# CONFIG_I2C_SIS96X is not set
+# CONFIG_I2C_TAOS_EVM is not set
+# CONFIG_I2C_STUB is not set
+# CONFIG_I2C_TINY_USB is not set
+# CONFIG_I2C_VIA is not set
+# CONFIG_I2C_VIAPRO is not set
+# CONFIG_I2C_VOODOO3 is not set
+# CONFIG_I2C_PCA_PLATFORM is not set
+CONFIG_I2C_MV64XXX=y
+
+#
+# Miscellaneous I2C Chip support
+#
+# CONFIG_DS1682 is not set
+# CONFIG_SENSORS_EEPROM is not set
+# CONFIG_SENSORS_PCF8574 is not set
+# CONFIG_PCF8575 is not set
+# CONFIG_SENSORS_PCF8591 is not set
+# CONFIG_SENSORS_MAX6875 is not set
+# CONFIG_SENSORS_TSL2550 is not set
+# CONFIG_I2C_DEBUG_CORE is not set
+# CONFIG_I2C_DEBUG_ALGO is not set
+# CONFIG_I2C_DEBUG_BUS is not set
+# CONFIG_I2C_DEBUG_CHIP is not set
+# CONFIG_SPI is not set
+# CONFIG_W1 is not set
+# CONFIG_POWER_SUPPLY is not set
+CONFIG_HWMON=y
+# CONFIG_HWMON_VID is not set
+# CONFIG_SENSORS_AD7418 is not set
+# CONFIG_SENSORS_ADM1021 is not set
+# CONFIG_SENSORS_ADM1025 is not set
+# CONFIG_SENSORS_ADM1026 is not set
+# CONFIG_SENSORS_ADM1029 is not set
+# CONFIG_SENSORS_ADM1031 is not set
+# CONFIG_SENSORS_ADM9240 is not set
+# CONFIG_SENSORS_ADT7470 is not set
+# CONFIG_SENSORS_ADT7473 is not set
+# CONFIG_SENSORS_ATXP1 is not set
+# CONFIG_SENSORS_DS1621 is not set
+# CONFIG_SENSORS_I5K_AMB is not set
+# CONFIG_SENSORS_F71805F is not set
+# CONFIG_SENSORS_F71882FG is not set
+# CONFIG_SENSORS_F75375S is not set
+# CONFIG_SENSORS_GL518SM is not set
+# CONFIG_SENSORS_GL520SM is not set
+# CONFIG_SENSORS_IT87 is not set
+# CONFIG_SENSORS_LM63 is not set
+# CONFIG_SENSORS_LM75 is not set
+# CONFIG_SENSORS_LM77 is not set
+# CONFIG_SENSORS_LM78 is not set
+# CONFIG_SENSORS_LM80 is not set
+# CONFIG_SENSORS_LM83 is not set
+# CONFIG_SENSORS_LM85 is not set
+# CONFIG_SENSORS_LM87 is not set
+# CONFIG_SENSORS_LM90 is not set
+# CONFIG_SENSORS_LM92 is not set
+# CONFIG_SENSORS_LM93 is not set
+# CONFIG_SENSORS_MAX1619 is not set
+# CONFIG_SENSORS_MAX6650 is not set
+# CONFIG_SENSORS_PC87360 is not set
+# CONFIG_SENSORS_PC87427 is not set
+# CONFIG_SENSORS_SIS5595 is not set
+# CONFIG_SENSORS_DME1737 is not set
+# CONFIG_SENSORS_SMSC47M1 is not set
+# CONFIG_SENSORS_SMSC47M192 is not set
+# CONFIG_SENSORS_SMSC47B397 is not set
+# CONFIG_SENSORS_ADS7828 is not set
+# CONFIG_SENSORS_THMC50 is not set
+# CONFIG_SENSORS_VIA686A is not set
+# CONFIG_SENSORS_VT1211 is not set
+# CONFIG_SENSORS_VT8231 is not set
+# CONFIG_SENSORS_W83781D is not set
+# CONFIG_SENSORS_W83791D is not set
+# CONFIG_SENSORS_W83792D is not set
+# CONFIG_SENSORS_W83793 is not set
+# CONFIG_SENSORS_W83L785TS is not set
+# CONFIG_SENSORS_W83L786NG is not set
+# CONFIG_SENSORS_W83627HF is not set
+# CONFIG_SENSORS_W83627EHF is not set
+# CONFIG_HWMON_DEBUG_CHIP is not set
+# CONFIG_WATCHDOG is not set
+
+#
+# Sonics Silicon Backplane
+#
+CONFIG_SSB_POSSIBLE=y
+# CONFIG_SSB is not set
+
+#
+# Multifunction device drivers
+#
+# CONFIG_MFD_SM501 is not set
+# CONFIG_MFD_ASIC3 is not set
+# CONFIG_HTC_PASIC3 is not set
+
+#
+# Multimedia devices
+#
+
+#
+# Multimedia core support
+#
+# CONFIG_VIDEO_DEV is not set
+# CONFIG_DVB_CORE is not set
+# CONFIG_VIDEO_MEDIA is not set
+
+#
+# Multimedia drivers
+#
+# CONFIG_DAB is not set
+
+#
+# Graphics support
+#
+# CONFIG_DRM is not set
+# CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
+# CONFIG_FB is not set
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+
+#
+# Display device support
+#
+# CONFIG_DISPLAY_SUPPORT is not set
+
+#
+# Sound
+#
+# CONFIG_SOUND is not set
+CONFIG_HID_SUPPORT=y
+CONFIG_HID=y
+# CONFIG_HID_DEBUG is not set
+# CONFIG_HIDRAW is not set
+
+#
+# USB Input Devices
+#
+CONFIG_USB_HID=y
+# CONFIG_USB_HIDINPUT_POWERBOOK is not set
+# CONFIG_HID_FF is not set
+# CONFIG_USB_HIDDEV is not set
+CONFIG_USB_SUPPORT=y
+CONFIG_USB_ARCH_HAS_HCD=y
+CONFIG_USB_ARCH_HAS_OHCI=y
+CONFIG_USB_ARCH_HAS_EHCI=y
+CONFIG_USB=y
+# CONFIG_USB_DEBUG is not set
+# CONFIG_USB_ANNOUNCE_NEW_DEVICES is not set
+
+#
+# Miscellaneous USB options
+#
+CONFIG_USB_DEVICEFS=y
+CONFIG_USB_DEVICE_CLASS=y
+# CONFIG_USB_DYNAMIC_MINORS is not set
+# CONFIG_USB_OTG is not set
+# CONFIG_USB_OTG_WHITELIST is not set
+# CONFIG_USB_OTG_BLACKLIST_HUB is not set
+
+#
+# USB Host Controller Drivers
+#
+# CONFIG_USB_C67X00_HCD is not set
+CONFIG_USB_EHCI_HCD=y
+CONFIG_USB_EHCI_ROOT_HUB_TT=y
+CONFIG_USB_EHCI_TT_NEWSCHED=y
+# CONFIG_USB_ISP116X_HCD is not set
+# CONFIG_USB_ISP1760_HCD is not set
+# CONFIG_USB_OHCI_HCD is not set
+# CONFIG_USB_UHCI_HCD is not set
+# CONFIG_USB_SL811_HCD is not set
+# CONFIG_USB_R8A66597_HCD is not set
+
+#
+# USB Device Class drivers
+#
+# CONFIG_USB_ACM is not set
+CONFIG_USB_PRINTER=y
+# CONFIG_USB_WDM is not set
+
+#
+# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
+#
+
+#
+# may also be needed; see USB_STORAGE Help for more information
+#
+CONFIG_USB_STORAGE=y
+# CONFIG_USB_STORAGE_DEBUG is not set
+CONFIG_USB_STORAGE_DATAFAB=y
+CONFIG_USB_STORAGE_FREECOM=y
+# CONFIG_USB_STORAGE_ISD200 is not set
+CONFIG_USB_STORAGE_DPCM=y
+# CONFIG_USB_STORAGE_USBAT is not set
+CONFIG_USB_STORAGE_SDDR09=y
+CONFIG_USB_STORAGE_SDDR55=y
+CONFIG_USB_STORAGE_JUMPSHOT=y
+# CONFIG_USB_STORAGE_ALAUDA is not set
+# CONFIG_USB_STORAGE_ONETOUCH is not set
+# CONFIG_USB_STORAGE_KARMA is not set
+# CONFIG_USB_STORAGE_CYPRESS_ATACB is not set
+# CONFIG_USB_LIBUSUAL is not set
+
+#
+# USB Imaging devices
+#
+# CONFIG_USB_MDC800 is not set
+# CONFIG_USB_MICROTEK is not set
+# CONFIG_USB_MON is not set
+
+#
+# USB port drivers
+#
+# CONFIG_USB_SERIAL is not set
+
+#
+# USB Miscellaneous drivers
+#
+# CONFIG_USB_EMI62 is not set
+# CONFIG_USB_EMI26 is not set
+# CONFIG_USB_ADUTUX is not set
+# CONFIG_USB_AUERSWALD is not set
+# CONFIG_USB_RIO500 is not set
+# CONFIG_USB_LEGOTOWER is not set
+# CONFIG_USB_LCD is not set
+# CONFIG_USB_BERRY_CHARGE is not set
+# CONFIG_USB_LED is not set
+# CONFIG_USB_CYPRESS_CY7C63 is not set
+# CONFIG_USB_CYTHERM is not set
+# CONFIG_USB_PHIDGET is not set
+# CONFIG_USB_IDMOUSE is not set
+# CONFIG_USB_FTDI_ELAN is not set
+# CONFIG_USB_APPLEDISPLAY is not set
+# CONFIG_USB_SISUSBVGA is not set
+# CONFIG_USB_LD is not set
+# CONFIG_USB_TRANCEVIBRATOR is not set
+# CONFIG_USB_IOWARRIOR is not set
+# CONFIG_USB_TEST is not set
+# CONFIG_USB_ISIGHTFW is not set
+# CONFIG_USB_GADGET is not set
+# CONFIG_MMC is not set
+CONFIG_NEW_LEDS=y
+CONFIG_LEDS_CLASS=y
+
+#
+# LED drivers
+#
+
+#
+# LED Triggers
+#
+CONFIG_LEDS_TRIGGERS=y
+CONFIG_LEDS_TRIGGER_TIMER=y
+CONFIG_LEDS_TRIGGER_HEARTBEAT=y
+# CONFIG_LEDS_TRIGGER_DEFAULT_ON is not set
+CONFIG_RTC_LIB=y
+CONFIG_RTC_CLASS=y
+CONFIG_RTC_HCTOSYS=y
+CONFIG_RTC_HCTOSYS_DEVICE="rtc0"
+# CONFIG_RTC_DEBUG is not set
+
+#
+# RTC interfaces
+#
+CONFIG_RTC_INTF_SYSFS=y
+CONFIG_RTC_INTF_PROC=y
+CONFIG_RTC_INTF_DEV=y
+# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set
+# CONFIG_RTC_DRV_TEST is not set
+
+#
+# I2C RTC drivers
+#
+CONFIG_RTC_DRV_DS1307=y
+# CONFIG_RTC_DRV_DS1374 is not set
+# CONFIG_RTC_DRV_DS1672 is not set
+# CONFIG_RTC_DRV_MAX6900 is not set
+CONFIG_RTC_DRV_RS5C372=y
+# CONFIG_RTC_DRV_ISL1208 is not set
+# CONFIG_RTC_DRV_X1205 is not set
+# CONFIG_RTC_DRV_PCF8563 is not set
+# CONFIG_RTC_DRV_PCF8583 is not set
+CONFIG_RTC_DRV_M41T80=y
+# CONFIG_RTC_DRV_M41T80_WDT is not set
+# CONFIG_RTC_DRV_S35390A is not set
+
+#
+# SPI RTC drivers
+#
+
+#
+# Platform RTC drivers
+#
+# CONFIG_RTC_DRV_CMOS is not set
+# CONFIG_RTC_DRV_DS1511 is not set
+# CONFIG_RTC_DRV_DS1553 is not set
+# CONFIG_RTC_DRV_DS1742 is not set
+# CONFIG_RTC_DRV_STK17TA8 is not set
+# CONFIG_RTC_DRV_M48T86 is not set
+# CONFIG_RTC_DRV_M48T59 is not set
+# CONFIG_RTC_DRV_V3020 is not set
+
+#
+# on-CPU RTC drivers
+#
+# CONFIG_UIO is not set
+
+#
+# File systems
+#
+CONFIG_EXT2_FS=y
+# CONFIG_EXT2_FS_XATTR is not set
+# CONFIG_EXT2_FS_XIP is not set
+CONFIG_EXT3_FS=y
+# CONFIG_EXT3_FS_XATTR is not set
+# CONFIG_EXT4DEV_FS is not set
+CONFIG_JBD=y
+# CONFIG_REISERFS_FS is not set
+# CONFIG_JFS_FS is not set
+# CONFIG_FS_POSIX_ACL is not set
+# CONFIG_XFS_FS is not set
+# CONFIG_OCFS2_FS is not set
+CONFIG_DNOTIFY=y
+CONFIG_INOTIFY=y
+CONFIG_INOTIFY_USER=y
+# CONFIG_QUOTA is not set
+# CONFIG_AUTOFS_FS is not set
+# CONFIG_AUTOFS4_FS is not set
+# CONFIG_FUSE_FS is not set
+
+#
+# CD-ROM/DVD Filesystems
+#
+CONFIG_ISO9660_FS=m
+CONFIG_JOLIET=y
+# CONFIG_ZISOFS is not set
+CONFIG_UDF_FS=m
+CONFIG_UDF_NLS=y
+
+#
+# DOS/FAT/NT Filesystems
+#
+CONFIG_FAT_FS=y
+CONFIG_MSDOS_FS=y
+CONFIG_VFAT_FS=y
+CONFIG_FAT_DEFAULT_CODEPAGE=437
+CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
+# CONFIG_NTFS_FS is not set
+
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+CONFIG_PROC_SYSCTL=y
+CONFIG_SYSFS=y
+CONFIG_TMPFS=y
+# CONFIG_TMPFS_POSIX_ACL is not set
+# CONFIG_HUGETLB_PAGE is not set
+# CONFIG_CONFIGFS_FS is not set
+
+#
+# Miscellaneous filesystems
+#
+# CONFIG_ADFS_FS is not set
+# CONFIG_AFFS_FS is not set
+# CONFIG_HFS_FS is not set
+# CONFIG_HFSPLUS_FS is not set
+# CONFIG_BEFS_FS is not set
+# CONFIG_BFS_FS is not set
+# CONFIG_EFS_FS is not set
+CONFIG_JFFS2_FS=y
+CONFIG_JFFS2_FS_DEBUG=0
+CONFIG_JFFS2_FS_WRITEBUFFER=y
+# CONFIG_JFFS2_FS_WBUF_VERIFY is not set
+# CONFIG_JFFS2_SUMMARY is not set
+# CONFIG_JFFS2_FS_XATTR is not set
+# CONFIG_JFFS2_COMPRESSION_OPTIONS is not set
+CONFIG_JFFS2_ZLIB=y
+# CONFIG_JFFS2_LZO is not set
+CONFIG_JFFS2_RTIME=y
+# CONFIG_JFFS2_RUBIN is not set
+CONFIG_CRAMFS=y
+# CONFIG_VXFS_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_HPFS_FS is not set
+# CONFIG_QNX4FS_FS is not set
+# CONFIG_ROMFS_FS is not set
+# CONFIG_SYSV_FS is not set
+# CONFIG_UFS_FS is not set
+CONFIG_NETWORK_FILESYSTEMS=y
+CONFIG_NFS_FS=y
+CONFIG_NFS_V3=y
+# CONFIG_NFS_V3_ACL is not set
+# CONFIG_NFS_V4 is not set
+# CONFIG_NFSD is not set
+CONFIG_ROOT_NFS=y
+CONFIG_LOCKD=y
+CONFIG_LOCKD_V4=y
+CONFIG_NFS_COMMON=y
+CONFIG_SUNRPC=y
+# CONFIG_SUNRPC_BIND34 is not set
+# CONFIG_RPCSEC_GSS_KRB5 is not set
+# CONFIG_RPCSEC_GSS_SPKM3 is not set
+# CONFIG_SMB_FS is not set
+# CONFIG_CIFS is not set
+# CONFIG_NCP_FS is not set
+# CONFIG_CODA_FS is not set
+# CONFIG_AFS_FS is not set
+
+#
+# Partition Types
+#
+CONFIG_PARTITION_ADVANCED=y
+# CONFIG_ACORN_PARTITION is not set
+# CONFIG_OSF_PARTITION is not set
+# CONFIG_AMIGA_PARTITION is not set
+# CONFIG_ATARI_PARTITION is not set
+# CONFIG_MAC_PARTITION is not set
+CONFIG_MSDOS_PARTITION=y
+CONFIG_BSD_DISKLABEL=y
+# CONFIG_MINIX_SUBPARTITION is not set
+# CONFIG_SOLARIS_X86_PARTITION is not set
+# CONFIG_UNIXWARE_DISKLABEL is not set
+# CONFIG_LDM_PARTITION is not set
+# CONFIG_SGI_PARTITION is not set
+# CONFIG_ULTRIX_PARTITION is not set
+# CONFIG_SUN_PARTITION is not set
+# CONFIG_KARMA_PARTITION is not set
+# CONFIG_EFI_PARTITION is not set
+# CONFIG_SYSV68_PARTITION is not set
+CONFIG_NLS=y
+CONFIG_NLS_DEFAULT="iso8859-1"
+CONFIG_NLS_CODEPAGE_437=y
+# CONFIG_NLS_CODEPAGE_737 is not set
+# CONFIG_NLS_CODEPAGE_775 is not set
+CONFIG_NLS_CODEPAGE_850=y
+# CONFIG_NLS_CODEPAGE_852 is not set
+# CONFIG_NLS_CODEPAGE_855 is not set
+# CONFIG_NLS_CODEPAGE_857 is not set
+# CONFIG_NLS_CODEPAGE_860 is not set
+# CONFIG_NLS_CODEPAGE_861 is not set
+# CONFIG_NLS_CODEPAGE_862 is not set
+# CONFIG_NLS_CODEPAGE_863 is not set
+# CONFIG_NLS_CODEPAGE_864 is not set
+# CONFIG_NLS_CODEPAGE_865 is not set
+# CONFIG_NLS_CODEPAGE_866 is not set
+# CONFIG_NLS_CODEPAGE_869 is not set
+# CONFIG_NLS_CODEPAGE_936 is not set
+# CONFIG_NLS_CODEPAGE_950 is not set
+# CONFIG_NLS_CODEPAGE_932 is not set
+# CONFIG_NLS_CODEPAGE_949 is not set
+# CONFIG_NLS_CODEPAGE_874 is not set
+# CONFIG_NLS_ISO8859_8 is not set
+# CONFIG_NLS_CODEPAGE_1250 is not set
+# CONFIG_NLS_CODEPAGE_1251 is not set
+# CONFIG_NLS_ASCII is not set
+CONFIG_NLS_ISO8859_1=y
+CONFIG_NLS_ISO8859_2=y
+# CONFIG_NLS_ISO8859_3 is not set
+# CONFIG_NLS_ISO8859_4 is not set
+# CONFIG_NLS_ISO8859_5 is not set
+# CONFIG_NLS_ISO8859_6 is not set
+# CONFIG_NLS_ISO8859_7 is not set
+# CONFIG_NLS_ISO8859_9 is not set
+# CONFIG_NLS_ISO8859_13 is not set
+# CONFIG_NLS_ISO8859_14 is not set
+# CONFIG_NLS_ISO8859_15 is not set
+# CONFIG_NLS_KOI8_R is not set
+# CONFIG_NLS_KOI8_U is not set
+# CONFIG_NLS_UTF8 is not set
+# CONFIG_DLM is not set
+
+#
+# Kernel hacking
+#
+# CONFIG_PRINTK_TIME is not set
+CONFIG_ENABLE_WARN_DEPRECATED=y
+CONFIG_ENABLE_MUST_CHECK=y
+CONFIG_FRAME_WARN=1024
+CONFIG_MAGIC_SYSRQ=y
+# CONFIG_UNUSED_SYMBOLS is not set
+# CONFIG_DEBUG_FS is not set
+# CONFIG_HEADERS_CHECK is not set
+CONFIG_DEBUG_KERNEL=y
+# CONFIG_DEBUG_SHIRQ is not set
+CONFIG_DETECT_SOFTLOCKUP=y
+CONFIG_SCHED_DEBUG=y
+CONFIG_SCHEDSTATS=y
+# CONFIG_TIMER_STATS is not set
+# CONFIG_DEBUG_OBJECTS is not set
+CONFIG_DEBUG_PREEMPT=y
+# CONFIG_DEBUG_RT_MUTEXES is not set
+# CONFIG_RT_MUTEX_TESTER is not set
+# CONFIG_DEBUG_SPINLOCK is not set
+# CONFIG_DEBUG_MUTEXES is not set
+# CONFIG_DEBUG_LOCK_ALLOC is not set
+# CONFIG_PROVE_LOCKING is not set
+# CONFIG_LOCK_STAT is not set
+# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
+# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
+# CONFIG_DEBUG_KOBJECT is not set
+# CONFIG_DEBUG_BUGVERBOSE is not set
+CONFIG_DEBUG_INFO=y
+# CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_WRITECOUNT is not set
+# CONFIG_DEBUG_LIST is not set
+# CONFIG_DEBUG_SG is not set
+CONFIG_FRAME_POINTER=y
+# CONFIG_BOOT_PRINTK_DELAY is not set
+# CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_KPROBES_SANITY_TEST is not set
+# CONFIG_BACKTRACE_SELF_TEST is not set
+# CONFIG_LKDTM is not set
+# CONFIG_FAULT_INJECTION is not set
+# CONFIG_LATENCYTOP is not set
+# CONFIG_SAMPLES is not set
+CONFIG_DEBUG_USER=y
+CONFIG_DEBUG_ERRORS=y
+# CONFIG_DEBUG_STACK_USAGE is not set
+CONFIG_DEBUG_LL=y
+# CONFIG_DEBUG_ICEDCC is not set
+
+#
+# Security options
+#
+# CONFIG_KEYS is not set
+# CONFIG_SECURITY is not set
+# CONFIG_SECURITY_FILE_CAPABILITIES is not set
+CONFIG_CRYPTO=y
+
+#
+# Crypto core or helper
+#
+CONFIG_CRYPTO_ALGAPI=m
+CONFIG_CRYPTO_BLKCIPHER=m
+CONFIG_CRYPTO_MANAGER=m
+# CONFIG_CRYPTO_GF128MUL is not set
+# CONFIG_CRYPTO_NULL is not set
+# CONFIG_CRYPTO_CRYPTD is not set
+# CONFIG_CRYPTO_AUTHENC is not set
+# CONFIG_CRYPTO_TEST is not set
+
+#
+# Authenticated Encryption with Associated Data
+#
+# CONFIG_CRYPTO_CCM is not set
+# CONFIG_CRYPTO_GCM is not set
+# CONFIG_CRYPTO_SEQIV is not set
+
+#
+# Block modes
+#
+CONFIG_CRYPTO_CBC=m
+# CONFIG_CRYPTO_CTR is not set
+# CONFIG_CRYPTO_CTS is not set
+CONFIG_CRYPTO_ECB=m
+# CONFIG_CRYPTO_LRW is not set
+CONFIG_CRYPTO_PCBC=m
+# CONFIG_CRYPTO_XTS is not set
+
+#
+# Hash modes
+#
+# CONFIG_CRYPTO_HMAC is not set
+# CONFIG_CRYPTO_XCBC is not set
+
+#
+# Digest
+#
+# CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_MD4 is not set
+# CONFIG_CRYPTO_MD5 is not set
+# CONFIG_CRYPTO_MICHAEL_MIC is not set
+# CONFIG_CRYPTO_SHA1 is not set
+# CONFIG_CRYPTO_SHA256 is not set
+# CONFIG_CRYPTO_SHA512 is not set
+# CONFIG_CRYPTO_TGR192 is not set
+# CONFIG_CRYPTO_WP512 is not set
+
+#
+# Ciphers
+#
+# CONFIG_CRYPTO_AES is not set
+# CONFIG_CRYPTO_ANUBIS is not set
+# CONFIG_CRYPTO_ARC4 is not set
+# CONFIG_CRYPTO_BLOWFISH is not set
+# CONFIG_CRYPTO_CAMELLIA is not set
+# CONFIG_CRYPTO_CAST5 is not set
+# CONFIG_CRYPTO_CAST6 is not set
+# CONFIG_CRYPTO_DES is not set
+# CONFIG_CRYPTO_FCRYPT is not set
+# CONFIG_CRYPTO_KHAZAD is not set
+# CONFIG_CRYPTO_SALSA20 is not set
+# CONFIG_CRYPTO_SEED is not set
+# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_TEA is not set
+# CONFIG_CRYPTO_TWOFISH is not set
+
+#
+# Compression
+#
+# CONFIG_CRYPTO_DEFLATE is not set
+# CONFIG_CRYPTO_LZO is not set
+CONFIG_CRYPTO_HW=y
+# CONFIG_CRYPTO_DEV_HIFN_795X is not set
+
+#
+# Library routines
+#
+CONFIG_BITREVERSE=y
+# CONFIG_GENERIC_FIND_FIRST_BIT is not set
+# CONFIG_GENERIC_FIND_NEXT_BIT is not set
+# CONFIG_CRC_CCITT is not set
+# CONFIG_CRC16 is not set
+CONFIG_CRC_ITU_T=m
+CONFIG_CRC32=y
+# CONFIG_CRC7 is not set
+# CONFIG_LIBCRC32C is not set
+CONFIG_ZLIB_INFLATE=y
+CONFIG_ZLIB_DEFLATE=y
+CONFIG_PLIST=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
+CONFIG_HAS_DMA=y
diff --git a/arch/arm/configs/mx31ads_defconfig b/arch/arm/configs/mx31ads_defconfig
new file mode 100644
index 00000000000..e05271753e1
--- /dev/null
+++ b/arch/arm/configs/mx31ads_defconfig
@@ -0,0 +1,839 @@
+#
+# Automatically generated make config: don't edit
+# Linux kernel version: 2.6.26-rc6
+# Fri Jun 20 16:21:11 2008
+#
+CONFIG_ARM=y
+CONFIG_SYS_SUPPORTS_APM_EMULATION=y
+CONFIG_GENERIC_GPIO=y
+CONFIG_GENERIC_TIME=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+CONFIG_MMU=y
+# CONFIG_NO_IOPORT is not set
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
+CONFIG_HARDIRQS_SW_RESEND=y
+CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+# CONFIG_ARCH_HAS_ILOG2_U32 is not set
+# CONFIG_ARCH_HAS_ILOG2_U64 is not set
+CONFIG_GENERIC_HWEIGHT=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_ARCH_SUPPORTS_AOUT=y
+CONFIG_ZONE_DMA=y
+CONFIG_ARCH_MTD_XIP=y
+CONFIG_VECTORS_BASE=0xffff0000
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+
+#
+# General setup
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_BROKEN_ON_SMP=y
+CONFIG_LOCK_KERNEL=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+CONFIG_LOCALVERSION=""
+CONFIG_LOCALVERSION_AUTO=y
+CONFIG_SWAP=y
+CONFIG_SYSVIPC=y
+CONFIG_SYSVIPC_SYSCTL=y
+# CONFIG_POSIX_MQUEUE is not set
+# CONFIG_BSD_PROCESS_ACCT is not set
+# CONFIG_TASKSTATS is not set
+# CONFIG_AUDIT is not set
+CONFIG_IKCONFIG=y
+CONFIG_IKCONFIG_PROC=y
+CONFIG_LOG_BUF_SHIFT=14
+# CONFIG_CGROUPS is not set
+CONFIG_GROUP_SCHED=y
+CONFIG_FAIR_GROUP_SCHED=y
+# CONFIG_RT_GROUP_SCHED is not set
+CONFIG_USER_SCHED=y
+# CONFIG_CGROUP_SCHED is not set
+CONFIG_SYSFS_DEPRECATED=y
+CONFIG_SYSFS_DEPRECATED_V2=y
+# CONFIG_RELAY is not set
+# CONFIG_NAMESPACES is not set
+# CONFIG_BLK_DEV_INITRD is not set
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_SYSCTL=y
+CONFIG_EMBEDDED=y
+CONFIG_UID16=y
+CONFIG_SYSCTL_SYSCALL=y
+CONFIG_SYSCTL_SYSCALL_CHECK=y
+CONFIG_KALLSYMS=y
+# CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_HOTPLUG=y
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_ELF_CORE=y
+CONFIG_COMPAT_BRK=y
+CONFIG_BASE_FULL=y
+CONFIG_FUTEX=y
+CONFIG_ANON_INODES=y
+CONFIG_EPOLL=y
+CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
+CONFIG_EVENTFD=y
+CONFIG_SHMEM=y
+CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_SLAB=y
+# CONFIG_SLUB is not set
+# CONFIG_SLOB is not set
+# CONFIG_PROFILING is not set
+# CONFIG_MARKERS is not set
+CONFIG_HAVE_OPROFILE=y
+# CONFIG_KPROBES is not set
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+# CONFIG_HAVE_DMA_ATTRS is not set
+CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_SLABINFO=y
+CONFIG_RT_MUTEXES=y
+# CONFIG_TINY_SHMEM is not set
+CONFIG_BASE_SMALL=0
+CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
+CONFIG_MODULE_UNLOAD=y
+CONFIG_MODULE_FORCE_UNLOAD=y
+CONFIG_MODVERSIONS=y
+# CONFIG_MODULE_SRCVERSION_ALL is not set
+CONFIG_KMOD=y
+CONFIG_BLOCK=y
+# CONFIG_LBD is not set
+# CONFIG_BLK_DEV_IO_TRACE is not set
+# CONFIG_LSF is not set
+# CONFIG_BLK_DEV_BSG is not set
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+CONFIG_IOSCHED_AS=y
+CONFIG_IOSCHED_DEADLINE=y
+CONFIG_IOSCHED_CFQ=y
+# CONFIG_DEFAULT_AS is not set
+# CONFIG_DEFAULT_DEADLINE is not set
+CONFIG_DEFAULT_CFQ=y
+# CONFIG_DEFAULT_NOOP is not set
+CONFIG_DEFAULT_IOSCHED="cfq"
+CONFIG_CLASSIC_RCU=y
+
+#
+# System Type
+#
+# CONFIG_ARCH_AAEC2000 is not set
+# CONFIG_ARCH_INTEGRATOR is not set
+# CONFIG_ARCH_REALVIEW is not set
+# CONFIG_ARCH_VERSATILE is not set
+# CONFIG_ARCH_AT91 is not set
+# CONFIG_ARCH_CLPS7500 is not set
+# CONFIG_ARCH_CLPS711X is not set
+# CONFIG_ARCH_CO285 is not set
+# CONFIG_ARCH_EBSA110 is not set
+# CONFIG_ARCH_EP93XX is not set
+# CONFIG_ARCH_FOOTBRIDGE is not set
+# CONFIG_ARCH_NETX is not set
+# CONFIG_ARCH_H720X is not set
+# CONFIG_ARCH_IMX is not set
+# CONFIG_ARCH_IOP13XX is not set
+# CONFIG_ARCH_IOP32X is not set
+# CONFIG_ARCH_IOP33X is not set
+# CONFIG_ARCH_IXP23XX is not set
+# CONFIG_ARCH_IXP2000 is not set
+# CONFIG_ARCH_IXP4XX is not set
+# CONFIG_ARCH_L7200 is not set
+# CONFIG_ARCH_KS8695 is not set
+# CONFIG_ARCH_NS9XXX is not set
+CONFIG_ARCH_MXC=y
+# CONFIG_ARCH_ORION5X is not set
+# CONFIG_ARCH_PNX4008 is not set
+# CONFIG_ARCH_PXA is not set
+# CONFIG_ARCH_RPC is not set
+# CONFIG_ARCH_SA1100 is not set
+# CONFIG_ARCH_S3C2410 is not set
+# CONFIG_ARCH_SHARK is not set
+# CONFIG_ARCH_LH7A40X is not set
+# CONFIG_ARCH_DAVINCI is not set
+# CONFIG_ARCH_OMAP is not set
+# CONFIG_ARCH_MSM7X00A is not set
+
+#
+# Boot options
+#
+
+#
+# Power management
+#
+
+#
+# Freescale MXC Implementations
+#
+# CONFIG_ARCH_MX2 is not set
+CONFIG_ARCH_MX3=y
+
+#
+# MX3 Options
+#
+CONFIG_MACH_MX31ADS=y
+# CONFIG_MACH_PCM037 is not set
+
+#
+# Processor Type
+#
+CONFIG_CPU_32=y
+CONFIG_CPU_V6=y
+# CONFIG_CPU_32v6K is not set
+CONFIG_CPU_32v6=y
+CONFIG_CPU_ABRT_EV6=y
+CONFIG_CPU_PABRT_NOIFAR=y
+CONFIG_CPU_CACHE_V6=y
+CONFIG_CPU_CACHE_VIPT=y
+CONFIG_CPU_COPY_V6=y
+CONFIG_CPU_TLB_V6=y
+CONFIG_CPU_HAS_ASID=y
+CONFIG_CPU_CP15=y
+CONFIG_CPU_CP15_MMU=y
+
+#
+# Processor Features
+#
+CONFIG_ARM_THUMB=y
+# CONFIG_CPU_ICACHE_DISABLE is not set
+# CONFIG_CPU_DCACHE_DISABLE is not set
+# CONFIG_CPU_BPREDICT_DISABLE is not set
+# CONFIG_OUTER_CACHE is not set
+
+#
+# Bus support
+#
+# CONFIG_PCI_SYSCALL is not set
+# CONFIG_ARCH_SUPPORTS_MSI is not set
+# CONFIG_PCCARD is not set
+
+#
+# Kernel Features
+#
+CONFIG_TICK_ONESHOT=y
+CONFIG_NO_HZ=y
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
+CONFIG_PREEMPT=y
+CONFIG_HZ=100
+CONFIG_AEABI=y
+# CONFIG_OABI_COMPAT is not set
+# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+# CONFIG_SPARSEMEM_STATIC is not set
+# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
+CONFIG_PAGEFLAGS_EXTENDED=y
+CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_RESOURCES_64BIT is not set
+CONFIG_ZONE_DMA_FLAG=1
+CONFIG_BOUNCE=y
+CONFIG_VIRT_TO_BUS=y
+CONFIG_ALIGNMENT_TRAP=y
+
+#
+# Boot options
+#
+CONFIG_ZBOOT_ROM_TEXT=0x0
+CONFIG_ZBOOT_ROM_BSS=0x0
+CONFIG_CMDLINE="noinitrd console=ttymxc0,115200 root=/dev/mtdblock2 rw ip=off"
+# CONFIG_XIP_KERNEL is not set
+# CONFIG_KEXEC is not set
+
+#
+# Floating point emulation
+#
+
+#
+# At least one emulation must be selected
+#
+CONFIG_VFP=y
+
+#
+# Userspace binary formats
+#
+CONFIG_BINFMT_ELF=y
+# CONFIG_BINFMT_AOUT is not set
+# CONFIG_BINFMT_MISC is not set
+
+#
+# Power management options
+#
+# CONFIG_PM is not set
+CONFIG_ARCH_SUSPEND_POSSIBLE=y
+
+#
+# Networking
+#
+CONFIG_NET=y
+
+#
+# Networking options
+#
+CONFIG_PACKET=y
+# CONFIG_PACKET_MMAP is not set
+CONFIG_UNIX=y
+CONFIG_XFRM=y
+# CONFIG_XFRM_USER is not set
+# CONFIG_XFRM_SUB_POLICY is not set
+# CONFIG_XFRM_MIGRATE is not set
+# CONFIG_XFRM_STATISTICS is not set
+# CONFIG_NET_KEY is not set
+CONFIG_INET=y
+# CONFIG_IP_MULTICAST is not set
+# CONFIG_IP_ADVANCED_ROUTER is not set
+CONFIG_IP_FIB_HASH=y
+CONFIG_IP_PNP=y
+CONFIG_IP_PNP_DHCP=y
+# CONFIG_IP_PNP_BOOTP is not set
+# CONFIG_IP_PNP_RARP is not set
+# CONFIG_NET_IPIP is not set
+# CONFIG_NET_IPGRE is not set
+# CONFIG_ARPD is not set
+# CONFIG_SYN_COOKIES is not set
+# CONFIG_INET_AH is not set
+# CONFIG_INET_ESP is not set
+# CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_XFRM_TUNNEL is not set
+# CONFIG_INET_TUNNEL is not set
+CONFIG_INET_XFRM_MODE_TRANSPORT=y
+CONFIG_INET_XFRM_MODE_TUNNEL=y
+CONFIG_INET_XFRM_MODE_BEET=y
+# CONFIG_INET_LRO is not set
+CONFIG_INET_DIAG=y
+CONFIG_INET_TCP_DIAG=y
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_CUBIC=y
+CONFIG_DEFAULT_TCP_CONG="cubic"
+# CONFIG_TCP_MD5SIG is not set
+# CONFIG_IPV6 is not set
+# CONFIG_NETWORK_SECMARK is not set
+# CONFIG_NETFILTER is not set
+# CONFIG_IP_DCCP is not set
+# CONFIG_IP_SCTP is not set
+# CONFIG_TIPC is not set
+# CONFIG_ATM is not set
+# CONFIG_BRIDGE is not set
+# CONFIG_VLAN_8021Q is not set
+# CONFIG_DECNET is not set
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# CONFIG_ATALK is not set
+# CONFIG_X25 is not set
+# CONFIG_LAPB is not set
+# CONFIG_ECONET is not set
+# CONFIG_WAN_ROUTER is not set
+# CONFIG_NET_SCHED is not set
+
+#
+# Network testing
+#
+# CONFIG_NET_PKTGEN is not set
+# CONFIG_HAMRADIO is not set
+# CONFIG_CAN is not set
+# CONFIG_IRDA is not set
+# CONFIG_BT is not set
+# CONFIG_AF_RXRPC is not set
+
+#
+# Wireless
+#
+# CONFIG_CFG80211 is not set
+# CONFIG_WIRELESS_EXT is not set
+# CONFIG_MAC80211 is not set
+# CONFIG_IEEE80211 is not set
+# CONFIG_RFKILL is not set
+# CONFIG_NET_9P is not set
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+CONFIG_STANDALONE=y
+CONFIG_PREVENT_FIRMWARE_BUILD=y
+CONFIG_FW_LOADER=m
+# CONFIG_SYS_HYPERVISOR is not set
+# CONFIG_CONNECTOR is not set
+CONFIG_MTD=y
+# CONFIG_MTD_DEBUG is not set
+# CONFIG_MTD_CONCAT is not set
+CONFIG_MTD_PARTITIONS=y
+CONFIG_MTD_REDBOOT_PARTS=y
+CONFIG_MTD_REDBOOT_DIRECTORY_BLOCK=-1
+# CONFIG_MTD_REDBOOT_PARTS_UNALLOCATED is not set
+# CONFIG_MTD_REDBOOT_PARTS_READONLY is not set
+CONFIG_MTD_CMDLINE_PARTS=y
+# CONFIG_MTD_AFS_PARTS is not set
+# CONFIG_MTD_AR7_PARTS is not set
+
+#
+# User Modules And Translation Layers
+#
+CONFIG_MTD_CHAR=y
+CONFIG_MTD_BLKDEVS=y
+CONFIG_MTD_BLOCK=y
+# CONFIG_FTL is not set
+# CONFIG_NFTL is not set
+# CONFIG_INFTL is not set
+# CONFIG_RFD_FTL is not set
+# CONFIG_SSFDC is not set
+# CONFIG_MTD_OOPS is not set
+
+#
+# RAM/ROM/Flash chip drivers
+#
+CONFIG_MTD_CFI=y
+# CONFIG_MTD_JEDECPROBE is not set
+CONFIG_MTD_GEN_PROBE=y
+CONFIG_MTD_CFI_ADV_OPTIONS=y
+CONFIG_MTD_CFI_NOSWAP=y
+# CONFIG_MTD_CFI_BE_BYTE_SWAP is not set
+# CONFIG_MTD_CFI_LE_BYTE_SWAP is not set
+CONFIG_MTD_CFI_GEOMETRY=y
+# CONFIG_MTD_MAP_BANK_WIDTH_1 is not set
+CONFIG_MTD_MAP_BANK_WIDTH_2=y
+# CONFIG_MTD_MAP_BANK_WIDTH_4 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
+CONFIG_MTD_CFI_I1=y
+# CONFIG_MTD_CFI_I2 is not set
+# CONFIG_MTD_CFI_I4 is not set
+# CONFIG_MTD_CFI_I8 is not set
+# CONFIG_MTD_OTP is not set
+# CONFIG_MTD_CFI_INTELEXT is not set
+CONFIG_MTD_CFI_AMDSTD=y
+# CONFIG_MTD_CFI_STAA is not set
+CONFIG_MTD_CFI_UTIL=y
+CONFIG_MTD_RAM=y
+# CONFIG_MTD_ROM is not set
+# CONFIG_MTD_ABSENT is not set
+# CONFIG_MTD_XIP is not set
+
+#
+# Mapping drivers for chip access
+#
+# CONFIG_MTD_COMPLEX_MAPPINGS is not set
+# CONFIG_MTD_PHYSMAP is not set
+# CONFIG_MTD_ARM_INTEGRATOR is not set
+# CONFIG_MTD_PLATRAM is not set
+
+#
+# Self-contained MTD device drivers
+#
+# CONFIG_MTD_SLRAM is not set
+# CONFIG_MTD_PHRAM is not set
+# CONFIG_MTD_MTDRAM is not set
+# CONFIG_MTD_BLOCK2MTD is not set
+
+#
+# Disk-On-Chip Device Drivers
+#
+# CONFIG_MTD_DOC2000 is not set
+# CONFIG_MTD_DOC2001 is not set
+# CONFIG_MTD_DOC2001PLUS is not set
+CONFIG_MTD_NAND=y
+# CONFIG_MTD_NAND_VERIFY_WRITE is not set
+# CONFIG_MTD_NAND_ECC_SMC is not set
+# CONFIG_MTD_NAND_MUSEUM_IDS is not set
+CONFIG_MTD_NAND_IDS=y
+# CONFIG_MTD_NAND_DISKONCHIP is not set
+# CONFIG_MTD_NAND_NANDSIM is not set
+# CONFIG_MTD_NAND_PLATFORM is not set
+# CONFIG_MTD_ONENAND is not set
+
+#
+# UBI - Unsorted block images
+#
+# CONFIG_MTD_UBI is not set
+# CONFIG_PARPORT is not set
+# CONFIG_BLK_DEV is not set
+# CONFIG_MISC_DEVICES is not set
+CONFIG_HAVE_IDE=y
+# CONFIG_IDE is not set
+
+#
+# SCSI device support
+#
+# CONFIG_RAID_ATTRS is not set
+# CONFIG_SCSI is not set
+# CONFIG_SCSI_DMA is not set
+# CONFIG_SCSI_NETLINK is not set
+# CONFIG_ATA is not set
+# CONFIG_MD is not set
+CONFIG_NETDEVICES=y
+# CONFIG_NETDEVICES_MULTIQUEUE is not set
+# CONFIG_DUMMY is not set
+# CONFIG_BONDING is not set
+# CONFIG_MACVLAN is not set
+# CONFIG_EQUALIZER is not set
+# CONFIG_TUN is not set
+# CONFIG_VETH is not set
+# CONFIG_PHYLIB is not set
+CONFIG_NET_ETHERNET=y
+CONFIG_MII=y
+# CONFIG_AX88796 is not set
+# CONFIG_SMC91X is not set
+# CONFIG_DM9000 is not set
+# CONFIG_IBM_NEW_EMAC_ZMII is not set
+# CONFIG_IBM_NEW_EMAC_RGMII is not set
+# CONFIG_IBM_NEW_EMAC_TAH is not set
+# CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_B44 is not set
+# CONFIG_NETDEV_1000 is not set
+# CONFIG_NETDEV_10000 is not set
+
+#
+# Wireless LAN
+#
+# CONFIG_WLAN_PRE80211 is not set
+# CONFIG_WLAN_80211 is not set
+# CONFIG_IWLWIFI_LEDS is not set
+# CONFIG_WAN is not set
+# CONFIG_PPP is not set
+# CONFIG_SLIP is not set
+# CONFIG_NETCONSOLE is not set
+# CONFIG_NETPOLL is not set
+# CONFIG_NET_POLL_CONTROLLER is not set
+# CONFIG_ISDN is not set
+
+#
+# Input device support
+#
+# CONFIG_INPUT is not set
+
+#
+# Hardware I/O ports
+#
+# CONFIG_SERIO is not set
+# CONFIG_GAMEPORT is not set
+
+#
+# Character devices
+#
+# CONFIG_VT is not set
+CONFIG_DEVKMEM=y
+# CONFIG_SERIAL_NONSTANDARD is not set
+
+#
+# Serial drivers
+#
+# CONFIG_SERIAL_8250 is not set
+
+#
+# Non-8250 serial port support
+#
+CONFIG_SERIAL_IMX=y
+CONFIG_SERIAL_IMX_CONSOLE=y
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+CONFIG_UNIX98_PTYS=y
+# CONFIG_LEGACY_PTYS is not set
+# CONFIG_IPMI_HANDLER is not set
+# CONFIG_HW_RANDOM is not set
+# CONFIG_NVRAM is not set
+# CONFIG_R3964 is not set
+# CONFIG_RAW_DRIVER is not set
+# CONFIG_TCG_TPM is not set
+# CONFIG_I2C is not set
+# CONFIG_SPI is not set
+CONFIG_HAVE_GPIO_LIB=y
+
+#
+# GPIO Support
+#
+
+#
+# I2C GPIO expanders:
+#
+
+#
+# SPI GPIO expanders:
+#
+# CONFIG_W1 is not set
+# CONFIG_POWER_SUPPLY is not set
+# CONFIG_HWMON is not set
+# CONFIG_WATCHDOG is not set
+
+#
+# Sonics Silicon Backplane
+#
+CONFIG_SSB_POSSIBLE=y
+# CONFIG_SSB is not set
+
+#
+# Multifunction device drivers
+#
+# CONFIG_MFD_SM501 is not set
+# CONFIG_MFD_ASIC3 is not set
+# CONFIG_HTC_EGPIO is not set
+# CONFIG_HTC_PASIC3 is not set
+
+#
+# Multimedia devices
+#
+
+#
+# Multimedia core support
+#
+# CONFIG_VIDEO_DEV is not set
+# CONFIG_DVB_CORE is not set
+# CONFIG_VIDEO_MEDIA is not set
+
+#
+# Multimedia drivers
+#
+# CONFIG_DAB is not set
+
+#
+# Graphics support
+#
+# CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
+# CONFIG_FB is not set
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+
+#
+# Display device support
+#
+# CONFIG_DISPLAY_SUPPORT is not set
+
+#
+# Sound
+#
+# CONFIG_SOUND is not set
+# CONFIG_USB_SUPPORT is not set
+# CONFIG_MMC is not set
+# CONFIG_NEW_LEDS is not set
+CONFIG_RTC_LIB=y
+# CONFIG_RTC_CLASS is not set
+# CONFIG_UIO is not set
+
+#
+# File systems
+#
+# CONFIG_EXT2_FS is not set
+# CONFIG_EXT3_FS is not set
+# CONFIG_EXT4DEV_FS is not set
+# CONFIG_REISERFS_FS is not set
+# CONFIG_JFS_FS is not set
+# CONFIG_FS_POSIX_ACL is not set
+# CONFIG_XFS_FS is not set
+# CONFIG_OCFS2_FS is not set
+# CONFIG_DNOTIFY is not set
+CONFIG_INOTIFY=y
+CONFIG_INOTIFY_USER=y
+# CONFIG_QUOTA is not set
+# CONFIG_AUTOFS_FS is not set
+# CONFIG_AUTOFS4_FS is not set
+# CONFIG_FUSE_FS is not set
+
+#
+# CD-ROM/DVD Filesystems
+#
+# CONFIG_ISO9660_FS is not set
+# CONFIG_UDF_FS is not set
+
+#
+# DOS/FAT/NT Filesystems
+#
+# CONFIG_MSDOS_FS is not set
+# CONFIG_VFAT_FS is not set
+# CONFIG_NTFS_FS is not set
+
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+CONFIG_PROC_SYSCTL=y
+CONFIG_SYSFS=y
+CONFIG_TMPFS=y
+# CONFIG_TMPFS_POSIX_ACL is not set
+# CONFIG_HUGETLB_PAGE is not set
+# CONFIG_CONFIGFS_FS is not set
+
+#
+# Miscellaneous filesystems
+#
+# CONFIG_ADFS_FS is not set
+# CONFIG_AFFS_FS is not set
+# CONFIG_HFS_FS is not set
+# CONFIG_HFSPLUS_FS is not set
+# CONFIG_BEFS_FS is not set
+# CONFIG_BFS_FS is not set
+# CONFIG_EFS_FS is not set
+CONFIG_JFFS2_FS=y
+CONFIG_JFFS2_FS_DEBUG=0
+CONFIG_JFFS2_FS_WRITEBUFFER=y
+# CONFIG_JFFS2_FS_WBUF_VERIFY is not set
+# CONFIG_JFFS2_SUMMARY is not set
+# CONFIG_JFFS2_FS_XATTR is not set
+# CONFIG_JFFS2_COMPRESSION_OPTIONS is not set
+CONFIG_JFFS2_ZLIB=y
+# CONFIG_JFFS2_LZO is not set
+CONFIG_JFFS2_RTIME=y
+# CONFIG_JFFS2_RUBIN is not set
+CONFIG_CRAMFS=y
+# CONFIG_VXFS_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_HPFS_FS is not set
+# CONFIG_QNX4FS_FS is not set
+# CONFIG_ROMFS_FS is not set
+# CONFIG_SYSV_FS is not set
+# CONFIG_UFS_FS is not set
+CONFIG_NETWORK_FILESYSTEMS=y
+CONFIG_NFS_FS=y
+# CONFIG_NFS_V3 is not set
+# CONFIG_NFS_V4 is not set
+# CONFIG_NFSD is not set
+CONFIG_ROOT_NFS=y
+CONFIG_LOCKD=y
+CONFIG_NFS_COMMON=y
+CONFIG_SUNRPC=y
+# CONFIG_SUNRPC_BIND34 is not set
+# CONFIG_RPCSEC_GSS_KRB5 is not set
+# CONFIG_RPCSEC_GSS_SPKM3 is not set
+# CONFIG_SMB_FS is not set
+# CONFIG_CIFS is not set
+# CONFIG_NCP_FS is not set
+# CONFIG_CODA_FS is not set
+# CONFIG_AFS_FS is not set
+
+#
+# Partition Types
+#
+# CONFIG_PARTITION_ADVANCED is not set
+CONFIG_MSDOS_PARTITION=y
+# CONFIG_NLS is not set
+# CONFIG_DLM is not set
+
+#
+# Kernel hacking
+#
+CONFIG_PRINTK_TIME=y
+CONFIG_ENABLE_WARN_DEPRECATED=y
+CONFIG_ENABLE_MUST_CHECK=y
+CONFIG_FRAME_WARN=1024
+# CONFIG_MAGIC_SYSRQ is not set
+# CONFIG_UNUSED_SYMBOLS is not set
+# CONFIG_DEBUG_FS is not set
+# CONFIG_HEADERS_CHECK is not set
+# CONFIG_DEBUG_KERNEL is not set
+# CONFIG_DEBUG_BUGVERBOSE is not set
+CONFIG_FRAME_POINTER=y
+# CONFIG_SAMPLES is not set
+# CONFIG_DEBUG_USER is not set
+
+#
+# Security options
+#
+# CONFIG_KEYS is not set
+# CONFIG_SECURITY is not set
+# CONFIG_SECURITY_FILE_CAPABILITIES is not set
+CONFIG_CRYPTO=y
+
+#
+# Crypto core or helper
+#
+# CONFIG_CRYPTO_MANAGER is not set
+# CONFIG_CRYPTO_GF128MUL is not set
+# CONFIG_CRYPTO_NULL is not set
+# CONFIG_CRYPTO_CRYPTD is not set
+# CONFIG_CRYPTO_AUTHENC is not set
+# CONFIG_CRYPTO_TEST is not set
+
+#
+# Authenticated Encryption with Associated Data
+#
+# CONFIG_CRYPTO_CCM is not set
+# CONFIG_CRYPTO_GCM is not set
+# CONFIG_CRYPTO_SEQIV is not set
+
+#
+# Block modes
+#
+# CONFIG_CRYPTO_CBC is not set
+# CONFIG_CRYPTO_CTR is not set
+# CONFIG_CRYPTO_CTS is not set
+# CONFIG_CRYPTO_ECB is not set
+# CONFIG_CRYPTO_LRW is not set
+# CONFIG_CRYPTO_PCBC is not set
+# CONFIG_CRYPTO_XTS is not set
+
+#
+# Hash modes
+#
+# CONFIG_CRYPTO_HMAC is not set
+# CONFIG_CRYPTO_XCBC is not set
+
+#
+# Digest
+#
+# CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_MD4 is not set
+# CONFIG_CRYPTO_MD5 is not set
+# CONFIG_CRYPTO_MICHAEL_MIC is not set
+# CONFIG_CRYPTO_SHA1 is not set
+# CONFIG_CRYPTO_SHA256 is not set
+# CONFIG_CRYPTO_SHA512 is not set
+# CONFIG_CRYPTO_TGR192 is not set
+# CONFIG_CRYPTO_WP512 is not set
+
+#
+# Ciphers
+#
+# CONFIG_CRYPTO_AES is not set
+# CONFIG_CRYPTO_ANUBIS is not set
+# CONFIG_CRYPTO_ARC4 is not set
+# CONFIG_CRYPTO_BLOWFISH is not set
+# CONFIG_CRYPTO_CAMELLIA is not set
+# CONFIG_CRYPTO_CAST5 is not set
+# CONFIG_CRYPTO_CAST6 is not set
+# CONFIG_CRYPTO_DES is not set
+# CONFIG_CRYPTO_FCRYPT is not set
+# CONFIG_CRYPTO_KHAZAD is not set
+# CONFIG_CRYPTO_SALSA20 is not set
+# CONFIG_CRYPTO_SEED is not set
+# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_TEA is not set
+# CONFIG_CRYPTO_TWOFISH is not set
+
+#
+# Compression
+#
+# CONFIG_CRYPTO_DEFLATE is not set
+# CONFIG_CRYPTO_LZO is not set
+# CONFIG_CRYPTO_HW is not set
+
+#
+# Library routines
+#
+CONFIG_BITREVERSE=y
+# CONFIG_GENERIC_FIND_FIRST_BIT is not set
+# CONFIG_GENERIC_FIND_NEXT_BIT is not set
+# CONFIG_CRC_CCITT is not set
+# CONFIG_CRC16 is not set
+# CONFIG_CRC_ITU_T is not set
+CONFIG_CRC32=y
+# CONFIG_CRC7 is not set
+# CONFIG_LIBCRC32C is not set
+CONFIG_ZLIB_INFLATE=y
+CONFIG_ZLIB_DEFLATE=y
+CONFIG_PLIST=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
+CONFIG_HAS_DMA=y
diff --git a/arch/arm/configs/mx31litekit_defconfig b/arch/arm/configs/mx31litekit_defconfig
new file mode 100644
index 00000000000..4f41c413568
--- /dev/null
+++ b/arch/arm/configs/mx31litekit_defconfig
@@ -0,0 +1,1100 @@
+#
+# Automatically generated make config: don't edit
+# Linux kernel version: 2.6.26-rc5
+# Fri Jun 13 14:23:39 2008
+#
+CONFIG_ARM=y
+CONFIG_SYS_SUPPORTS_APM_EMULATION=y
+# CONFIG_GENERIC_GPIO is not set
+# CONFIG_GENERIC_TIME is not set
+# CONFIG_GENERIC_CLOCKEVENTS is not set
+CONFIG_MMU=y
+# CONFIG_NO_IOPORT is not set
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
+CONFIG_HARDIRQS_SW_RESEND=y
+CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+# CONFIG_ARCH_HAS_ILOG2_U32 is not set
+# CONFIG_ARCH_HAS_ILOG2_U64 is not set
+CONFIG_GENERIC_HWEIGHT=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_ARCH_SUPPORTS_AOUT=y
+CONFIG_ZONE_DMA=y
+CONFIG_ARCH_MTD_XIP=y
+CONFIG_VECTORS_BASE=0xffff0000
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+
+#
+# General setup
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_BROKEN_ON_SMP=y
+CONFIG_LOCK_KERNEL=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+CONFIG_LOCALVERSION=""
+CONFIG_LOCALVERSION_AUTO=y
+CONFIG_SWAP=y
+CONFIG_SYSVIPC=y
+CONFIG_SYSVIPC_SYSCTL=y
+# CONFIG_POSIX_MQUEUE is not set
+# CONFIG_BSD_PROCESS_ACCT is not set
+# CONFIG_TASKSTATS is not set
+# CONFIG_AUDIT is not set
+CONFIG_IKCONFIG=y
+CONFIG_IKCONFIG_PROC=y
+CONFIG_LOG_BUF_SHIFT=14
+# CONFIG_CGROUPS is not set
+# CONFIG_GROUP_SCHED is not set
+CONFIG_SYSFS_DEPRECATED=y
+CONFIG_SYSFS_DEPRECATED_V2=y
+# CONFIG_RELAY is not set
+# CONFIG_NAMESPACES is not set
+# CONFIG_BLK_DEV_INITRD is not set
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_SYSCTL=y
+CONFIG_EMBEDDED=y
+CONFIG_UID16=y
+CONFIG_SYSCTL_SYSCALL=y
+CONFIG_SYSCTL_SYSCALL_CHECK=y
+CONFIG_KALLSYMS=y
+# CONFIG_KALLSYMS_ALL is not set
+# CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_HOTPLUG=y
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_ELF_CORE=y
+CONFIG_COMPAT_BRK=y
+CONFIG_BASE_FULL=y
+CONFIG_FUTEX=y
+CONFIG_ANON_INODES=y
+CONFIG_EPOLL=y
+CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
+CONFIG_EVENTFD=y
+CONFIG_SHMEM=y
+CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_SLAB=y
+# CONFIG_SLUB is not set
+# CONFIG_SLOB is not set
+# CONFIG_PROFILING is not set
+# CONFIG_MARKERS is not set
+CONFIG_HAVE_OPROFILE=y
+# CONFIG_KPROBES is not set
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+# CONFIG_HAVE_DMA_ATTRS is not set
+CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_SLABINFO=y
+CONFIG_RT_MUTEXES=y
+# CONFIG_TINY_SHMEM is not set
+CONFIG_BASE_SMALL=0
+CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
+CONFIG_MODULE_UNLOAD=y
+CONFIG_MODULE_FORCE_UNLOAD=y
+CONFIG_MODVERSIONS=y
+# CONFIG_MODULE_SRCVERSION_ALL is not set
+CONFIG_KMOD=y
+CONFIG_BLOCK=y
+# CONFIG_LBD is not set
+# CONFIG_BLK_DEV_IO_TRACE is not set
+# CONFIG_LSF is not set
+# CONFIG_BLK_DEV_BSG is not set
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+CONFIG_IOSCHED_AS=y
+CONFIG_IOSCHED_DEADLINE=y
+CONFIG_IOSCHED_CFQ=y
+# CONFIG_DEFAULT_AS is not set
+# CONFIG_DEFAULT_DEADLINE is not set
+CONFIG_DEFAULT_CFQ=y
+# CONFIG_DEFAULT_NOOP is not set
+CONFIG_DEFAULT_IOSCHED="cfq"
+CONFIG_CLASSIC_RCU=y
+
+#
+# System Type
+#
+# CONFIG_ARCH_AAEC2000 is not set
+# CONFIG_ARCH_INTEGRATOR is not set
+# CONFIG_ARCH_REALVIEW is not set
+# CONFIG_ARCH_VERSATILE is not set
+# CONFIG_ARCH_AT91 is not set
+# CONFIG_ARCH_CLPS7500 is not set
+# CONFIG_ARCH_CLPS711X is not set
+# CONFIG_ARCH_CO285 is not set
+# CONFIG_ARCH_EBSA110 is not set
+# CONFIG_ARCH_EP93XX is not set
+# CONFIG_ARCH_FOOTBRIDGE is not set
+# CONFIG_ARCH_NETX is not set
+# CONFIG_ARCH_H720X is not set
+# CONFIG_ARCH_IMX is not set
+# CONFIG_ARCH_IOP13XX is not set
+# CONFIG_ARCH_IOP32X is not set
+# CONFIG_ARCH_IOP33X is not set
+# CONFIG_ARCH_IXP23XX is not set
+# CONFIG_ARCH_IXP2000 is not set
+# CONFIG_ARCH_IXP4XX is not set
+# CONFIG_ARCH_L7200 is not set
+# CONFIG_ARCH_KS8695 is not set
+# CONFIG_ARCH_NS9XXX is not set
+CONFIG_ARCH_MXC=y
+# CONFIG_ARCH_ORION5X is not set
+# CONFIG_ARCH_PNX4008 is not set
+# CONFIG_ARCH_PXA is not set
+# CONFIG_ARCH_RPC is not set
+# CONFIG_ARCH_SA1100 is not set
+# CONFIG_ARCH_S3C2410 is not set
+# CONFIG_ARCH_SHARK is not set
+# CONFIG_ARCH_LH7A40X is not set
+# CONFIG_ARCH_DAVINCI is not set
+# CONFIG_ARCH_OMAP is not set
+# CONFIG_ARCH_MSM7X00A is not set
+
+#
+# Boot options
+#
+
+#
+# Power management
+#
+
+#
+# Freescale MXC Implementations
+#
+CONFIG_ARCH_MX3=y
+
+#
+# MX3 Options
+#
+# CONFIG_MACH_MX31ADS is not set
+CONFIG_MACH_MX31LITE=y
+
+#
+# Processor Type
+#
+CONFIG_CPU_32=y
+CONFIG_CPU_V6=y
+# CONFIG_CPU_32v6K is not set
+CONFIG_CPU_32v6=y
+CONFIG_CPU_ABRT_EV6=y
+CONFIG_CPU_PABRT_NOIFAR=y
+CONFIG_CPU_CACHE_V6=y
+CONFIG_CPU_CACHE_VIPT=y
+CONFIG_CPU_COPY_V6=y
+CONFIG_CPU_TLB_V6=y
+CONFIG_CPU_HAS_ASID=y
+CONFIG_CPU_CP15=y
+CONFIG_CPU_CP15_MMU=y
+
+#
+# Processor Features
+#
+CONFIG_ARM_THUMB=y
+# CONFIG_CPU_ICACHE_DISABLE is not set
+# CONFIG_CPU_DCACHE_DISABLE is not set
+# CONFIG_CPU_BPREDICT_DISABLE is not set
+# CONFIG_OUTER_CACHE is not set
+
+#
+# Bus support
+#
+# CONFIG_PCI_SYSCALL is not set
+# CONFIG_ARCH_SUPPORTS_MSI is not set
+CONFIG_PCCARD=m
+# CONFIG_PCMCIA_DEBUG is not set
+# CONFIG_PCMCIA is not set
+
+#
+# PC-card bridges
+#
+
+#
+# Kernel Features
+#
+# CONFIG_TICK_ONESHOT is not set
+CONFIG_PREEMPT=y
+# CONFIG_NO_IDLE_HZ is not set
+CONFIG_HZ=100
+CONFIG_AEABI=y
+# CONFIG_OABI_COMPAT is not set
+# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+# CONFIG_SPARSEMEM_STATIC is not set
+# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
+CONFIG_PAGEFLAGS_EXTENDED=y
+CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_RESOURCES_64BIT is not set
+CONFIG_ZONE_DMA_FLAG=1
+CONFIG_BOUNCE=y
+CONFIG_VIRT_TO_BUS=y
+CONFIG_ALIGNMENT_TRAP=y
+
+#
+# Boot options
+#
+CONFIG_ZBOOT_ROM_TEXT=0x0
+CONFIG_ZBOOT_ROM_BSS=0x0
+CONFIG_CMDLINE="noinitrd console=ttymxc0,115200 root=/dev/mtdblock2 rw ip=off"
+# CONFIG_XIP_KERNEL is not set
+# CONFIG_KEXEC is not set
+
+#
+# Floating point emulation
+#
+
+#
+# At least one emulation must be selected
+#
+CONFIG_VFP=y
+
+#
+# Userspace binary formats
+#
+CONFIG_BINFMT_ELF=y
+CONFIG_BINFMT_AOUT=y
+# CONFIG_BINFMT_MISC is not set
+
+#
+# Power management options
+#
+CONFIG_PM=y
+# CONFIG_PM_DEBUG is not set
+# CONFIG_SUSPEND is not set
+# CONFIG_APM_EMULATION is not set
+CONFIG_ARCH_SUSPEND_POSSIBLE=y
+
+#
+# Networking
+#
+CONFIG_NET=y
+
+#
+# Networking options
+#
+CONFIG_PACKET=y
+# CONFIG_PACKET_MMAP is not set
+CONFIG_UNIX=y
+CONFIG_XFRM=y
+# CONFIG_XFRM_USER is not set
+# CONFIG_XFRM_SUB_POLICY is not set
+# CONFIG_XFRM_MIGRATE is not set
+# CONFIG_XFRM_STATISTICS is not set
+# CONFIG_NET_KEY is not set
+CONFIG_INET=y
+# CONFIG_IP_MULTICAST is not set
+# CONFIG_IP_ADVANCED_ROUTER is not set
+CONFIG_IP_FIB_HASH=y
+CONFIG_IP_PNP=y
+CONFIG_IP_PNP_DHCP=y
+# CONFIG_IP_PNP_BOOTP is not set
+# CONFIG_IP_PNP_RARP is not set
+# CONFIG_NET_IPIP is not set
+# CONFIG_NET_IPGRE is not set
+# CONFIG_ARPD is not set
+# CONFIG_SYN_COOKIES is not set
+# CONFIG_INET_AH is not set
+# CONFIG_INET_ESP is not set
+# CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_XFRM_TUNNEL is not set
+# CONFIG_INET_TUNNEL is not set
+CONFIG_INET_XFRM_MODE_TRANSPORT=y
+CONFIG_INET_XFRM_MODE_TUNNEL=y
+CONFIG_INET_XFRM_MODE_BEET=y
+# CONFIG_INET_LRO is not set
+CONFIG_INET_DIAG=y
+CONFIG_INET_TCP_DIAG=y
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_CUBIC=y
+CONFIG_DEFAULT_TCP_CONG="cubic"
+# CONFIG_TCP_MD5SIG is not set
+# CONFIG_IPV6 is not set
+# CONFIG_NETWORK_SECMARK is not set
+# CONFIG_NETFILTER is not set
+# CONFIG_IP_DCCP is not set
+# CONFIG_IP_SCTP is not set
+# CONFIG_TIPC is not set
+# CONFIG_ATM is not set
+# CONFIG_BRIDGE is not set
+# CONFIG_VLAN_8021Q is not set
+# CONFIG_DECNET is not set
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# CONFIG_ATALK is not set
+# CONFIG_X25 is not set
+# CONFIG_LAPB is not set
+# CONFIG_ECONET is not set
+# CONFIG_WAN_ROUTER is not set
+# CONFIG_NET_SCHED is not set
+
+#
+# Network testing
+#
+# CONFIG_NET_PKTGEN is not set
+# CONFIG_HAMRADIO is not set
+# CONFIG_CAN is not set
+# CONFIG_IRDA is not set
+# CONFIG_BT is not set
+# CONFIG_AF_RXRPC is not set
+
+#
+# Wireless
+#
+# CONFIG_CFG80211 is not set
+# CONFIG_WIRELESS_EXT is not set
+# CONFIG_MAC80211 is not set
+# CONFIG_IEEE80211 is not set
+# CONFIG_RFKILL is not set
+# CONFIG_NET_9P is not set
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+CONFIG_STANDALONE=y
+CONFIG_PREVENT_FIRMWARE_BUILD=y
+CONFIG_FW_LOADER=m
+# CONFIG_DEBUG_DRIVER is not set
+# CONFIG_DEBUG_DEVRES is not set
+# CONFIG_SYS_HYPERVISOR is not set
+# CONFIG_CONNECTOR is not set
+CONFIG_MTD=y
+# CONFIG_MTD_DEBUG is not set
+# CONFIG_MTD_CONCAT is not set
+CONFIG_MTD_PARTITIONS=y
+CONFIG_MTD_REDBOOT_PARTS=y
+CONFIG_MTD_REDBOOT_DIRECTORY_BLOCK=-1
+# CONFIG_MTD_REDBOOT_PARTS_UNALLOCATED is not set
+# CONFIG_MTD_REDBOOT_PARTS_READONLY is not set
+CONFIG_MTD_CMDLINE_PARTS=y
+# CONFIG_MTD_AFS_PARTS is not set
+# CONFIG_MTD_AR7_PARTS is not set
+
+#
+# User Modules And Translation Layers
+#
+CONFIG_MTD_CHAR=y
+CONFIG_MTD_BLKDEVS=y
+CONFIG_MTD_BLOCK=y
+# CONFIG_FTL is not set
+# CONFIG_NFTL is not set
+# CONFIG_INFTL is not set
+# CONFIG_RFD_FTL is not set
+# CONFIG_SSFDC is not set
+# CONFIG_MTD_OOPS is not set
+
+#
+# RAM/ROM/Flash chip drivers
+#
+CONFIG_MTD_CFI=y
+# CONFIG_MTD_JEDECPROBE is not set
+CONFIG_MTD_GEN_PROBE=y
+CONFIG_MTD_CFI_ADV_OPTIONS=y
+CONFIG_MTD_CFI_NOSWAP=y
+# CONFIG_MTD_CFI_BE_BYTE_SWAP is not set
+# CONFIG_MTD_CFI_LE_BYTE_SWAP is not set
+CONFIG_MTD_CFI_GEOMETRY=y
+# CONFIG_MTD_MAP_BANK_WIDTH_1 is not set
+CONFIG_MTD_MAP_BANK_WIDTH_2=y
+# CONFIG_MTD_MAP_BANK_WIDTH_4 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
+CONFIG_MTD_CFI_I1=y
+# CONFIG_MTD_CFI_I2 is not set
+# CONFIG_MTD_CFI_I4 is not set
+# CONFIG_MTD_CFI_I8 is not set
+# CONFIG_MTD_OTP is not set
+# CONFIG_MTD_CFI_INTELEXT is not set
+CONFIG_MTD_CFI_AMDSTD=y
+# CONFIG_MTD_CFI_STAA is not set
+CONFIG_MTD_CFI_UTIL=y
+CONFIG_MTD_RAM=y
+# CONFIG_MTD_ROM is not set
+# CONFIG_MTD_ABSENT is not set
+# CONFIG_MTD_XIP is not set
+
+#
+# Mapping drivers for chip access
+#
+# CONFIG_MTD_COMPLEX_MAPPINGS is not set
+# CONFIG_MTD_PHYSMAP is not set
+# CONFIG_MTD_ARM_INTEGRATOR is not set
+# CONFIG_MTD_PLATRAM is not set
+
+#
+# Self-contained MTD device drivers
+#
+# CONFIG_MTD_SLRAM is not set
+# CONFIG_MTD_PHRAM is not set
+# CONFIG_MTD_MTDRAM is not set
+# CONFIG_MTD_BLOCK2MTD is not set
+
+#
+# Disk-On-Chip Device Drivers
+#
+# CONFIG_MTD_DOC2000 is not set
+# CONFIG_MTD_DOC2001 is not set
+# CONFIG_MTD_DOC2001PLUS is not set
+CONFIG_MTD_NAND=y
+# CONFIG_MTD_NAND_VERIFY_WRITE is not set
+# CONFIG_MTD_NAND_ECC_SMC is not set
+# CONFIG_MTD_NAND_MUSEUM_IDS is not set
+CONFIG_MTD_NAND_IDS=y
+# CONFIG_MTD_NAND_DISKONCHIP is not set
+# CONFIG_MTD_NAND_NANDSIM is not set
+# CONFIG_MTD_NAND_PLATFORM is not set
+# CONFIG_MTD_ALAUDA is not set
+# CONFIG_MTD_ONENAND is not set
+
+#
+# UBI - Unsorted block images
+#
+# CONFIG_MTD_UBI is not set
+# CONFIG_PARPORT is not set
+# CONFIG_BLK_DEV is not set
+# CONFIG_MISC_DEVICES is not set
+CONFIG_HAVE_IDE=y
+# CONFIG_IDE is not set
+
+#
+# SCSI device support
+#
+# CONFIG_RAID_ATTRS is not set
+CONFIG_SCSI=y
+CONFIG_SCSI_DMA=y
+# CONFIG_SCSI_TGT is not set
+# CONFIG_SCSI_NETLINK is not set
+CONFIG_SCSI_PROC_FS=y
+
+#
+# SCSI support type (disk, tape, CD-ROM)
+#
+CONFIG_BLK_DEV_SD=y
+# CONFIG_CHR_DEV_ST is not set
+# CONFIG_CHR_DEV_OSST is not set
+# CONFIG_BLK_DEV_SR is not set
+# CONFIG_CHR_DEV_SG is not set
+# CONFIG_CHR_DEV_SCH is not set
+
+#
+# Some SCSI devices (e.g. CD jukebox) support multiple LUNs
+#
+CONFIG_SCSI_MULTI_LUN=y
+# CONFIG_SCSI_CONSTANTS is not set
+# CONFIG_SCSI_LOGGING is not set
+# CONFIG_SCSI_SCAN_ASYNC is not set
+CONFIG_SCSI_WAIT_SCAN=m
+
+#
+# SCSI Transports
+#
+# CONFIG_SCSI_SPI_ATTRS is not set
+# CONFIG_SCSI_FC_ATTRS is not set
+# CONFIG_SCSI_ISCSI_ATTRS is not set
+# CONFIG_SCSI_SAS_LIBSAS is not set
+# CONFIG_SCSI_SRP_ATTRS is not set
+CONFIG_SCSI_LOWLEVEL=y
+# CONFIG_ISCSI_TCP is not set
+# CONFIG_SCSI_DEBUG is not set
+# CONFIG_ATA is not set
+# CONFIG_MD is not set
+CONFIG_NETDEVICES=y
+# CONFIG_NETDEVICES_MULTIQUEUE is not set
+# CONFIG_DUMMY is not set
+# CONFIG_BONDING is not set
+# CONFIG_MACVLAN is not set
+# CONFIG_EQUALIZER is not set
+# CONFIG_TUN is not set
+# CONFIG_VETH is not set
+# CONFIG_PHYLIB is not set
+CONFIG_NET_ETHERNET=y
+CONFIG_MII=y
+# CONFIG_AX88796 is not set
+# CONFIG_SMC91X is not set
+# CONFIG_DM9000 is not set
+# CONFIG_IBM_NEW_EMAC_ZMII is not set
+# CONFIG_IBM_NEW_EMAC_RGMII is not set
+# CONFIG_IBM_NEW_EMAC_TAH is not set
+# CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_B44 is not set
+# CONFIG_NETDEV_1000 is not set
+# CONFIG_NETDEV_10000 is not set
+
+#
+# Wireless LAN
+#
+# CONFIG_WLAN_PRE80211 is not set
+# CONFIG_WLAN_80211 is not set
+# CONFIG_IWLWIFI_LEDS is not set
+
+#
+# USB Network Adapters
+#
+# CONFIG_USB_CATC is not set
+# CONFIG_USB_KAWETH is not set
+# CONFIG_USB_PEGASUS is not set
+# CONFIG_USB_RTL8150 is not set
+# CONFIG_USB_USBNET is not set
+# CONFIG_WAN is not set
+# CONFIG_PPP is not set
+# CONFIG_SLIP is not set
+# CONFIG_NETCONSOLE is not set
+# CONFIG_NETPOLL is not set
+# CONFIG_NET_POLL_CONTROLLER is not set
+# CONFIG_ISDN is not set
+
+#
+# Input device support
+#
+CONFIG_INPUT=y
+# CONFIG_INPUT_FF_MEMLESS is not set
+# CONFIG_INPUT_POLLDEV is not set
+
+#
+# Userland interfaces
+#
+# CONFIG_INPUT_MOUSEDEV is not set
+# CONFIG_INPUT_JOYDEV is not set
+CONFIG_INPUT_EVDEV=y
+# CONFIG_INPUT_EVBUG is not set
+
+#
+# Input Device Drivers
+#
+CONFIG_INPUT_KEYBOARD=y
+# CONFIG_KEYBOARD_ATKBD is not set
+# CONFIG_KEYBOARD_SUNKBD is not set
+# CONFIG_KEYBOARD_LKKBD is not set
+# CONFIG_KEYBOARD_XTKBD is not set
+# CONFIG_KEYBOARD_NEWTON is not set
+# CONFIG_KEYBOARD_STOWAWAY is not set
+# CONFIG_INPUT_MOUSE is not set
+# CONFIG_INPUT_JOYSTICK is not set
+# CONFIG_INPUT_TABLET is not set
+CONFIG_INPUT_TOUCHSCREEN=y
+# CONFIG_TOUCHSCREEN_FUJITSU is not set
+# CONFIG_TOUCHSCREEN_GUNZE is not set
+# CONFIG_TOUCHSCREEN_ELO is not set
+# CONFIG_TOUCHSCREEN_MTOUCH is not set
+# CONFIG_TOUCHSCREEN_MK712 is not set
+# CONFIG_TOUCHSCREEN_PENMOUNT is not set
+# CONFIG_TOUCHSCREEN_TOUCHRIGHT is not set
+# CONFIG_TOUCHSCREEN_TOUCHWIN is not set
+# CONFIG_TOUCHSCREEN_UCB1400 is not set
+# CONFIG_TOUCHSCREEN_USB_COMPOSITE is not set
+# CONFIG_INPUT_MISC is not set
+
+#
+# Hardware I/O ports
+#
+# CONFIG_SERIO is not set
+# CONFIG_GAMEPORT is not set
+
+#
+# Character devices
+#
+CONFIG_VT=y
+CONFIG_VT_CONSOLE=y
+CONFIG_HW_CONSOLE=y
+# CONFIG_VT_HW_CONSOLE_BINDING is not set
+CONFIG_DEVKMEM=y
+# CONFIG_SERIAL_NONSTANDARD is not set
+
+#
+# Serial drivers
+#
+# CONFIG_SERIAL_8250 is not set
+
+#
+# Non-8250 serial port support
+#
+CONFIG_UNIX98_PTYS=y
+CONFIG_LEGACY_PTYS=y
+CONFIG_LEGACY_PTY_COUNT=256
+# CONFIG_IPMI_HANDLER is not set
+CONFIG_HW_RANDOM=y
+# CONFIG_NVRAM is not set
+# CONFIG_R3964 is not set
+# CONFIG_RAW_DRIVER is not set
+# CONFIG_TCG_TPM is not set
+# CONFIG_I2C is not set
+# CONFIG_SPI is not set
+# CONFIG_W1 is not set
+# CONFIG_POWER_SUPPLY is not set
+# CONFIG_HWMON is not set
+CONFIG_WATCHDOG=y
+CONFIG_WATCHDOG_NOWAYOUT=y
+
+#
+# Watchdog Device Drivers
+#
+# CONFIG_SOFT_WATCHDOG is not set
+
+#
+# USB-based Watchdog Cards
+#
+# CONFIG_USBPCWATCHDOG is not set
+
+#
+# Sonics Silicon Backplane
+#
+CONFIG_SSB_POSSIBLE=y
+# CONFIG_SSB is not set
+
+#
+# Multifunction device drivers
+#
+# CONFIG_MFD_SM501 is not set
+# CONFIG_MFD_ASIC3 is not set
+# CONFIG_HTC_PASIC3 is not set
+
+#
+# Multimedia devices
+#
+
+#
+# Multimedia core support
+#
+CONFIG_VIDEO_DEV=y
+CONFIG_VIDEO_V4L2_COMMON=y
+CONFIG_VIDEO_ALLOW_V4L1=y
+CONFIG_VIDEO_V4L1_COMPAT=y
+# CONFIG_DVB_CORE is not set
+CONFIG_VIDEO_MEDIA=y
+
+#
+# Multimedia drivers
+#
+# CONFIG_MEDIA_ATTACH is not set
+CONFIG_VIDEO_V4L2=y
+CONFIG_VIDEO_V4L1=y
+CONFIG_VIDEO_CAPTURE_DRIVERS=y
+# CONFIG_VIDEO_ADV_DEBUG is not set
+CONFIG_VIDEO_HELPER_CHIPS_AUTO=y
+# CONFIG_VIDEO_VIVI is not set
+# CONFIG_VIDEO_CPIA is not set
+# CONFIG_VIDEO_CPIA2 is not set
+CONFIG_V4L_USB_DRIVERS=y
+# CONFIG_USB_VICAM is not set
+# CONFIG_USB_IBMCAM is not set
+# CONFIG_USB_KONICAWC is not set
+# CONFIG_USB_QUICKCAM_MESSENGER is not set
+# CONFIG_USB_ET61X251 is not set
+# CONFIG_USB_OV511 is not set
+# CONFIG_USB_SE401 is not set
+# CONFIG_USB_SN9C102 is not set
+# CONFIG_USB_STV680 is not set
+# CONFIG_USB_ZC0301 is not set
+# CONFIG_USB_PWC is not set
+# CONFIG_USB_ZR364XX is not set
+# CONFIG_USB_STKWEBCAM is not set
+# CONFIG_SOC_CAMERA is not set
+CONFIG_RADIO_ADAPTERS=y
+# CONFIG_USB_DSBR is not set
+# CONFIG_USB_SI470X is not set
+CONFIG_DAB=y
+# CONFIG_USB_DABUSB is not set
+
+#
+# Graphics support
+#
+# CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
+CONFIG_FB=y
+# CONFIG_FIRMWARE_EDID is not set
+# CONFIG_FB_DDC is not set
+# CONFIG_FB_CFB_FILLRECT is not set
+# CONFIG_FB_CFB_COPYAREA is not set
+# CONFIG_FB_CFB_IMAGEBLIT is not set
+# CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set
+# CONFIG_FB_SYS_FILLRECT is not set
+# CONFIG_FB_SYS_COPYAREA is not set
+# CONFIG_FB_SYS_IMAGEBLIT is not set
+# CONFIG_FB_FOREIGN_ENDIAN is not set
+# CONFIG_FB_SYS_FOPS is not set
+# CONFIG_FB_SVGALIB is not set
+# CONFIG_FB_MACMODES is not set
+# CONFIG_FB_BACKLIGHT is not set
+# CONFIG_FB_MODE_HELPERS is not set
+# CONFIG_FB_TILEBLITTING is not set
+
+#
+# Frame buffer hardware drivers
+#
+# CONFIG_FB_S1D13XXX is not set
+# CONFIG_FB_VIRTUAL is not set
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+
+#
+# Display device support
+#
+# CONFIG_DISPLAY_SUPPORT is not set
+
+#
+# Console display driver support
+#
+# CONFIG_VGA_CONSOLE is not set
+CONFIG_DUMMY_CONSOLE=y
+CONFIG_FRAMEBUFFER_CONSOLE=y
+# CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY is not set
+# CONFIG_FRAMEBUFFER_CONSOLE_ROTATION is not set
+# CONFIG_FONTS is not set
+CONFIG_FONT_8x8=y
+CONFIG_FONT_8x16=y
+CONFIG_LOGO=y
+# CONFIG_LOGO_LINUX_MONO is not set
+# CONFIG_LOGO_LINUX_VGA16 is not set
+CONFIG_LOGO_LINUX_CLUT224=y
+
+#
+# Sound
+#
+# CONFIG_SOUND is not set
+# CONFIG_HID_SUPPORT is not set
+CONFIG_USB_SUPPORT=y
+CONFIG_USB_ARCH_HAS_HCD=y
+# CONFIG_USB_ARCH_HAS_OHCI is not set
+# CONFIG_USB_ARCH_HAS_EHCI is not set
+CONFIG_USB=y
+# CONFIG_USB_DEBUG is not set
+# CONFIG_USB_ANNOUNCE_NEW_DEVICES is not set
+
+#
+# Miscellaneous USB options
+#
+# CONFIG_USB_DEVICEFS is not set
+CONFIG_USB_DEVICE_CLASS=y
+# CONFIG_USB_DYNAMIC_MINORS is not set
+# CONFIG_USB_SUSPEND is not set
+# CONFIG_USB_OTG is not set
+# CONFIG_USB_OTG_WHITELIST is not set
+# CONFIG_USB_OTG_BLACKLIST_HUB is not set
+
+#
+# USB Host Controller Drivers
+#
+# CONFIG_USB_C67X00_HCD is not set
+# CONFIG_USB_ISP116X_HCD is not set
+# CONFIG_USB_ISP1760_HCD is not set
+# CONFIG_USB_SL811_HCD is not set
+# CONFIG_USB_R8A66597_HCD is not set
+
+#
+# USB Device Class drivers
+#
+# CONFIG_USB_ACM is not set
+# CONFIG_USB_PRINTER is not set
+# CONFIG_USB_WDM is not set
+
+#
+# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
+#
+
+#
+# may also be needed; see USB_STORAGE Help for more information
+#
+# CONFIG_USB_STORAGE is not set
+# CONFIG_USB_LIBUSUAL is not set
+
+#
+# USB Imaging devices
+#
+# CONFIG_USB_MDC800 is not set
+# CONFIG_USB_MICROTEK is not set
+CONFIG_USB_MON=y
+
+#
+# USB port drivers
+#
+# CONFIG_USB_SERIAL is not set
+
+#
+# USB Miscellaneous drivers
+#
+# CONFIG_USB_EMI62 is not set
+# CONFIG_USB_EMI26 is not set
+# CONFIG_USB_ADUTUX is not set
+# CONFIG_USB_AUERSWALD is not set
+# CONFIG_USB_RIO500 is not set
+# CONFIG_USB_LEGOTOWER is not set
+# CONFIG_USB_LCD is not set
+# CONFIG_USB_BERRY_CHARGE is not set
+# CONFIG_USB_LED is not set
+# CONFIG_USB_CYPRESS_CY7C63 is not set
+# CONFIG_USB_CYTHERM is not set
+# CONFIG_USB_PHIDGET is not set
+# CONFIG_USB_IDMOUSE is not set
+# CONFIG_USB_FTDI_ELAN is not set
+# CONFIG_USB_APPLEDISPLAY is not set
+# CONFIG_USB_LD is not set
+# CONFIG_USB_TRANCEVIBRATOR is not set
+# CONFIG_USB_IOWARRIOR is not set
+# CONFIG_USB_ISIGHTFW is not set
+# CONFIG_USB_GADGET is not set
+# CONFIG_MMC is not set
+# CONFIG_NEW_LEDS is not set
+CONFIG_RTC_LIB=y
+# CONFIG_RTC_CLASS is not set
+# CONFIG_UIO is not set
+
+#
+# File systems
+#
+# CONFIG_EXT2_FS is not set
+# CONFIG_EXT3_FS is not set
+# CONFIG_EXT4DEV_FS is not set
+# CONFIG_REISERFS_FS is not set
+# CONFIG_JFS_FS is not set
+# CONFIG_FS_POSIX_ACL is not set
+# CONFIG_XFS_FS is not set
+# CONFIG_OCFS2_FS is not set
+# CONFIG_DNOTIFY is not set
+CONFIG_INOTIFY=y
+CONFIG_INOTIFY_USER=y
+# CONFIG_QUOTA is not set
+# CONFIG_AUTOFS_FS is not set
+# CONFIG_AUTOFS4_FS is not set
+# CONFIG_FUSE_FS is not set
+
+#
+# CD-ROM/DVD Filesystems
+#
+# CONFIG_ISO9660_FS is not set
+# CONFIG_UDF_FS is not set
+
+#
+# DOS/FAT/NT Filesystems
+#
+# CONFIG_MSDOS_FS is not set
+# CONFIG_VFAT_FS is not set
+# CONFIG_NTFS_FS is not set
+
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+CONFIG_PROC_SYSCTL=y
+CONFIG_SYSFS=y
+CONFIG_TMPFS=y
+# CONFIG_TMPFS_POSIX_ACL is not set
+# CONFIG_HUGETLB_PAGE is not set
+# CONFIG_CONFIGFS_FS is not set
+
+#
+# Miscellaneous filesystems
+#
+# CONFIG_ADFS_FS is not set
+# CONFIG_AFFS_FS is not set
+# CONFIG_HFS_FS is not set
+# CONFIG_HFSPLUS_FS is not set
+# CONFIG_BEFS_FS is not set
+# CONFIG_BFS_FS is not set
+# CONFIG_EFS_FS is not set
+CONFIG_JFFS2_FS=y
+CONFIG_JFFS2_FS_DEBUG=0
+CONFIG_JFFS2_FS_WRITEBUFFER=y
+# CONFIG_JFFS2_FS_WBUF_VERIFY is not set
+# CONFIG_JFFS2_SUMMARY is not set
+# CONFIG_JFFS2_FS_XATTR is not set
+# CONFIG_JFFS2_COMPRESSION_OPTIONS is not set
+CONFIG_JFFS2_ZLIB=y
+# CONFIG_JFFS2_LZO is not set
+CONFIG_JFFS2_RTIME=y
+# CONFIG_JFFS2_RUBIN is not set
+CONFIG_CRAMFS=y
+# CONFIG_VXFS_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_HPFS_FS is not set
+# CONFIG_QNX4FS_FS is not set
+# CONFIG_ROMFS_FS is not set
+# CONFIG_SYSV_FS is not set
+# CONFIG_UFS_FS is not set
+CONFIG_NETWORK_FILESYSTEMS=y
+CONFIG_NFS_FS=y
+# CONFIG_NFS_V3 is not set
+# CONFIG_NFS_V4 is not set
+# CONFIG_NFSD is not set
+CONFIG_ROOT_NFS=y
+CONFIG_LOCKD=y
+CONFIG_NFS_COMMON=y
+CONFIG_SUNRPC=y
+# CONFIG_SUNRPC_BIND34 is not set
+# CONFIG_RPCSEC_GSS_KRB5 is not set
+# CONFIG_RPCSEC_GSS_SPKM3 is not set
+# CONFIG_SMB_FS is not set
+# CONFIG_CIFS is not set
+# CONFIG_NCP_FS is not set
+# CONFIG_CODA_FS is not set
+# CONFIG_AFS_FS is not set
+
+#
+# Partition Types
+#
+# CONFIG_PARTITION_ADVANCED is not set
+CONFIG_MSDOS_PARTITION=y
+# CONFIG_NLS is not set
+# CONFIG_DLM is not set
+
+#
+# Kernel hacking
+#
+CONFIG_PRINTK_TIME=y
+CONFIG_ENABLE_WARN_DEPRECATED=y
+CONFIG_ENABLE_MUST_CHECK=y
+CONFIG_FRAME_WARN=1024
+# CONFIG_MAGIC_SYSRQ is not set
+# CONFIG_UNUSED_SYMBOLS is not set
+# CONFIG_DEBUG_FS is not set
+# CONFIG_HEADERS_CHECK is not set
+CONFIG_DEBUG_KERNEL=y
+# CONFIG_DEBUG_SHIRQ is not set
+CONFIG_DETECT_SOFTLOCKUP=y
+CONFIG_SCHED_DEBUG=y
+# CONFIG_SCHEDSTATS is not set
+# CONFIG_TIMER_STATS is not set
+# CONFIG_DEBUG_OBJECTS is not set
+# CONFIG_DEBUG_SLAB is not set
+CONFIG_DEBUG_PREEMPT=y
+# CONFIG_DEBUG_RT_MUTEXES is not set
+# CONFIG_RT_MUTEX_TESTER is not set
+# CONFIG_DEBUG_SPINLOCK is not set
+# CONFIG_DEBUG_MUTEXES is not set
+# CONFIG_DEBUG_LOCK_ALLOC is not set
+# CONFIG_PROVE_LOCKING is not set
+# CONFIG_LOCK_STAT is not set
+# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
+# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
+# CONFIG_DEBUG_KOBJECT is not set
+CONFIG_DEBUG_BUGVERBOSE=y
+# CONFIG_DEBUG_INFO is not set
+# CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_WRITECOUNT is not set
+# CONFIG_DEBUG_LIST is not set
+# CONFIG_DEBUG_SG is not set
+CONFIG_FRAME_POINTER=y
+# CONFIG_BOOT_PRINTK_DELAY is not set
+# CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_BACKTRACE_SELF_TEST is not set
+# CONFIG_FAULT_INJECTION is not set
+# CONFIG_SAMPLES is not set
+# CONFIG_DEBUG_USER is not set
+CONFIG_DEBUG_ERRORS=y
+# CONFIG_DEBUG_STACK_USAGE is not set
+CONFIG_DEBUG_LL=y
+# CONFIG_DEBUG_ICEDCC is not set
+
+#
+# Security options
+#
+# CONFIG_KEYS is not set
+# CONFIG_SECURITY is not set
+# CONFIG_SECURITY_FILE_CAPABILITIES is not set
+CONFIG_CRYPTO=y
+
+#
+# Crypto core or helper
+#
+# CONFIG_CRYPTO_MANAGER is not set
+# CONFIG_CRYPTO_GF128MUL is not set
+# CONFIG_CRYPTO_NULL is not set
+# CONFIG_CRYPTO_CRYPTD is not set
+# CONFIG_CRYPTO_AUTHENC is not set
+# CONFIG_CRYPTO_TEST is not set
+
+#
+# Authenticated Encryption with Associated Data
+#
+# CONFIG_CRYPTO_CCM is not set
+# CONFIG_CRYPTO_GCM is not set
+# CONFIG_CRYPTO_SEQIV is not set
+
+#
+# Block modes
+#
+# CONFIG_CRYPTO_CBC is not set
+# CONFIG_CRYPTO_CTR is not set
+# CONFIG_CRYPTO_CTS is not set
+# CONFIG_CRYPTO_ECB is not set
+# CONFIG_CRYPTO_LRW is not set
+# CONFIG_CRYPTO_PCBC is not set
+# CONFIG_CRYPTO_XTS is not set
+
+#
+# Hash modes
+#
+# CONFIG_CRYPTO_HMAC is not set
+# CONFIG_CRYPTO_XCBC is not set
+
+#
+# Digest
+#
+# CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_MD4 is not set
+# CONFIG_CRYPTO_MD5 is not set
+# CONFIG_CRYPTO_MICHAEL_MIC is not set
+# CONFIG_CRYPTO_SHA1 is not set
+# CONFIG_CRYPTO_SHA256 is not set
+# CONFIG_CRYPTO_SHA512 is not set
+# CONFIG_CRYPTO_TGR192 is not set
+# CONFIG_CRYPTO_WP512 is not set
+
+#
+# Ciphers
+#
+# CONFIG_CRYPTO_AES is not set
+# CONFIG_CRYPTO_ANUBIS is not set
+# CONFIG_CRYPTO_ARC4 is not set
+# CONFIG_CRYPTO_BLOWFISH is not set
+# CONFIG_CRYPTO_CAMELLIA is not set
+# CONFIG_CRYPTO_CAST5 is not set
+# CONFIG_CRYPTO_CAST6 is not set
+# CONFIG_CRYPTO_DES is not set
+# CONFIG_CRYPTO_FCRYPT is not set
+# CONFIG_CRYPTO_KHAZAD is not set
+# CONFIG_CRYPTO_SALSA20 is not set
+# CONFIG_CRYPTO_SEED is not set
+# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_TEA is not set
+# CONFIG_CRYPTO_TWOFISH is not set
+
+#
+# Compression
+#
+# CONFIG_CRYPTO_DEFLATE is not set
+# CONFIG_CRYPTO_LZO is not set
+CONFIG_CRYPTO_HW=y
+
+#
+# Library routines
+#
+CONFIG_BITREVERSE=y
+# CONFIG_GENERIC_FIND_FIRST_BIT is not set
+# CONFIG_GENERIC_FIND_NEXT_BIT is not set
+CONFIG_CRC_CCITT=m
+# CONFIG_CRC16 is not set
+# CONFIG_CRC_ITU_T is not set
+CONFIG_CRC32=y
+# CONFIG_CRC7 is not set
+# CONFIG_LIBCRC32C is not set
+CONFIG_ZLIB_INFLATE=y
+CONFIG_ZLIB_DEFLATE=y
+CONFIG_PLIST=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
+CONFIG_HAS_DMA=y
diff --git a/arch/arm/configs/netx_defconfig b/arch/arm/configs/netx_defconfig
index 57f32f39d0f..0884f2370c3 100644
--- a/arch/arm/configs/netx_defconfig
+++ b/arch/arm/configs/netx_defconfig
@@ -154,7 +154,6 @@ CONFIG_ARM_AMBA=y
# Kernel Features
#
CONFIG_PREEMPT=y
-# CONFIG_NO_IDLE_HZ is not set
CONFIG_HZ=100
# CONFIG_AEABI is not set
# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
diff --git a/arch/arm/configs/onearm_defconfig b/arch/arm/configs/onearm_defconfig
index 650a248613e..418ca2febbe 100644
--- a/arch/arm/configs/onearm_defconfig
+++ b/arch/arm/configs/onearm_defconfig
@@ -202,7 +202,6 @@ CONFIG_AT91_CF=y
# Kernel Features
#
# CONFIG_PREEMPT is not set
-# CONFIG_NO_IDLE_HZ is not set
CONFIG_HZ=100
# CONFIG_AEABI is not set
# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
diff --git a/arch/arm/configs/orion5x_defconfig b/arch/arm/configs/orion5x_defconfig
index 52cd99bd52f..9578b5d9f9c 100644
--- a/arch/arm/configs/orion5x_defconfig
+++ b/arch/arm/configs/orion5x_defconfig
@@ -1,7 +1,7 @@
#
# Automatically generated make config: don't edit
-# Linux kernel version: 2.6.24
-# Thu Feb 7 14:10:30 2008
+# Linux kernel version: 2.6.26-rc4
+# Mon Jun 2 23:54:48 2008
#
CONFIG_ARM=y
CONFIG_SYS_SUPPORTS_APM_EMULATION=y
@@ -21,6 +21,7 @@ CONFIG_RWSEM_GENERIC_SPINLOCK=y
# CONFIG_ARCH_HAS_ILOG2_U64 is not set
CONFIG_GENERIC_HWEIGHT=y
CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_ARCH_SUPPORTS_AOUT=y
CONFIG_ZONE_DMA=y
CONFIG_VECTORS_BASE=0xffff0000
CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
@@ -40,24 +41,24 @@ CONFIG_SYSVIPC_SYSCTL=y
# CONFIG_POSIX_MQUEUE is not set
# CONFIG_BSD_PROCESS_ACCT is not set
# CONFIG_TASKSTATS is not set
-# CONFIG_USER_NS is not set
-# CONFIG_PID_NS is not set
# CONFIG_AUDIT is not set
# CONFIG_IKCONFIG is not set
CONFIG_LOG_BUF_SHIFT=14
# CONFIG_CGROUPS is not set
-CONFIG_FAIR_GROUP_SCHED=y
-CONFIG_FAIR_USER_SCHED=y
-# CONFIG_FAIR_CGROUP_SCHED is not set
+# CONFIG_GROUP_SCHED is not set
CONFIG_SYSFS_DEPRECATED=y
+CONFIG_SYSFS_DEPRECATED_V2=y
# CONFIG_RELAY is not set
+# CONFIG_NAMESPACES is not set
# CONFIG_BLK_DEV_INITRD is not set
CONFIG_CC_OPTIMIZE_FOR_SIZE=y
CONFIG_SYSCTL=y
CONFIG_EMBEDDED=y
CONFIG_UID16=y
CONFIG_SYSCTL_SYSCALL=y
+CONFIG_SYSCTL_SYSCALL_CHECK=y
CONFIG_KALLSYMS=y
+CONFIG_KALLSYMS_ALL=y
# CONFIG_KALLSYMS_EXTRA_PASS is not set
CONFIG_HOTPLUG=y
CONFIG_PRINTK=y
@@ -73,20 +74,25 @@ CONFIG_TIMERFD=y
CONFIG_EVENTFD=y
CONFIG_SHMEM=y
CONFIG_VM_EVENT_COUNTERS=y
-CONFIG_SLAB=y
-# CONFIG_SLUB is not set
+# CONFIG_SLUB_DEBUG is not set
+# CONFIG_SLAB is not set
+CONFIG_SLUB=y
# CONFIG_SLOB is not set
-# CONFIG_PROFILING is not set
+CONFIG_PROFILING=y
# CONFIG_MARKERS is not set
+CONFIG_OPROFILE=y
CONFIG_HAVE_OPROFILE=y
-# CONFIG_KPROBES is not set
+CONFIG_KPROBES=y
+CONFIG_KRETPROBES=y
CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+# CONFIG_HAVE_DMA_ATTRS is not set
CONFIG_PROC_PAGE_MONITOR=y
-CONFIG_SLABINFO=y
CONFIG_RT_MUTEXES=y
# CONFIG_TINY_SHMEM is not set
CONFIG_BASE_SMALL=0
CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
CONFIG_MODULE_UNLOAD=y
# CONFIG_MODULE_FORCE_UNLOAD is not set
# CONFIG_MODVERSIONS is not set
@@ -111,7 +117,6 @@ CONFIG_DEFAULT_CFQ=y
# CONFIG_DEFAULT_NOOP is not set
CONFIG_DEFAULT_IOSCHED="cfq"
CONFIG_CLASSIC_RCU=y
-# CONFIG_PREEMPT_RCU is not set
#
# System Type
@@ -160,6 +165,15 @@ CONFIG_MACH_RD88F5182=y
CONFIG_MACH_KUROBOX_PRO=y
CONFIG_MACH_DNS323=y
CONFIG_MACH_TS209=y
+CONFIG_MACH_LINKSTATION_PRO=y
+CONFIG_MACH_TS409=y
+CONFIG_MACH_WRT350N_V2=y
+CONFIG_MACH_TS78XX=y
+CONFIG_MACH_MV2120=y
+CONFIG_MACH_MSS2=y
+CONFIG_MACH_WNR854T=y
+CONFIG_MACH_RD88F5181L_GE=y
+CONFIG_MACH_RD88F5181L_FXO=y
#
# Boot options
@@ -168,6 +182,7 @@ CONFIG_MACH_TS209=y
#
# Power management
#
+CONFIG_PLAT_ORION=y
#
# Processor Type
@@ -177,8 +192,9 @@ CONFIG_CPU_FEROCEON=y
CONFIG_CPU_FEROCEON_OLD_ID=y
CONFIG_CPU_32v5=y
CONFIG_CPU_ABRT_EV5T=y
+CONFIG_CPU_PABRT_NOIFAR=y
CONFIG_CPU_CACHE_VIVT=y
-CONFIG_CPU_COPY_V4WB=y
+CONFIG_CPU_COPY_FEROCEON=y
CONFIG_CPU_TLB_V4WBI=y
CONFIG_CPU_CP15=y
CONFIG_CPU_CP15_MMU=y
@@ -189,7 +205,6 @@ CONFIG_CPU_CP15_MMU=y
CONFIG_ARM_THUMB=y
# CONFIG_CPU_ICACHE_DISABLE is not set
# CONFIG_CPU_DCACHE_DISABLE is not set
-# CONFIG_CPU_DCACHE_WRITETHROUGH is not set
# CONFIG_OUTER_CACHE is not set
#
@@ -199,6 +214,7 @@ CONFIG_PCI=y
CONFIG_PCI_SYSCALL=y
# CONFIG_ARCH_SUPPORTS_MSI is not set
CONFIG_PCI_LEGACY=y
+# CONFIG_PCI_DEBUG is not set
# CONFIG_PCCARD is not set
#
@@ -221,6 +237,7 @@ CONFIG_FLATMEM=y
CONFIG_FLAT_NODE_MEM_MAP=y
# CONFIG_SPARSEMEM_STATIC is not set
# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
+CONFIG_PAGEFLAGS_EXTENDED=y
CONFIG_SPLIT_PTLOCK_CPUS=4096
# CONFIG_RESOURCES_64BIT is not set
CONFIG_ZONE_DMA_FLAG=1
@@ -238,7 +255,6 @@ CONFIG_ZBOOT_ROM_BSS=0x0
CONFIG_CMDLINE=""
# CONFIG_XIP_KERNEL is not set
# CONFIG_KEXEC is not set
-# CONFIG_ATAGS_PROC is not set
#
# Floating point emulation
@@ -311,8 +327,6 @@ CONFIG_TCP_CONG_CUBIC=y
CONFIG_DEFAULT_TCP_CONG="cubic"
# CONFIG_TCP_MD5SIG is not set
# CONFIG_IPV6 is not set
-# CONFIG_INET6_XFRM_TUNNEL is not set
-# CONFIG_INET6_TUNNEL is not set
# CONFIG_NETWORK_SECMARK is not set
# CONFIG_NETFILTER is not set
# CONFIG_IP_DCCP is not set
@@ -335,6 +349,7 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
# Network testing
#
CONFIG_NET_PKTGEN=m
+# CONFIG_NET_TCPPROBE is not set
# CONFIG_HAMRADIO is not set
# CONFIG_CAN is not set
# CONFIG_IRDA is not set
@@ -362,6 +377,8 @@ CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_STANDALONE=y
CONFIG_PREVENT_FIRMWARE_BUILD=y
CONFIG_FW_LOADER=y
+# CONFIG_DEBUG_DRIVER is not set
+# CONFIG_DEBUG_DEVRES is not set
# CONFIG_SYS_HYPERVISOR is not set
# CONFIG_CONNECTOR is not set
CONFIG_MTD=y
@@ -371,6 +388,7 @@ CONFIG_MTD_PARTITIONS=y
# CONFIG_MTD_REDBOOT_PARTS is not set
CONFIG_MTD_CMDLINE_PARTS=y
# CONFIG_MTD_AFS_PARTS is not set
+# CONFIG_MTD_AR7_PARTS is not set
#
# User Modules And Translation Layers
@@ -378,9 +396,8 @@ CONFIG_MTD_CMDLINE_PARTS=y
CONFIG_MTD_CHAR=y
CONFIG_MTD_BLKDEVS=y
CONFIG_MTD_BLOCK=y
-CONFIG_FTL=y
-CONFIG_NFTL=y
-# CONFIG_NFTL_RW is not set
+# CONFIG_FTL is not set
+# CONFIG_NFTL is not set
# CONFIG_INFTL is not set
# CONFIG_RFD_FTL is not set
# CONFIG_SSFDC is not set
@@ -405,12 +422,12 @@ CONFIG_MTD_MAP_BANK_WIDTH_4=y
# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
CONFIG_MTD_CFI_I1=y
CONFIG_MTD_CFI_I2=y
-CONFIG_MTD_CFI_I4=y
+# CONFIG_MTD_CFI_I4 is not set
# CONFIG_MTD_CFI_I8 is not set
# CONFIG_MTD_OTP is not set
CONFIG_MTD_CFI_INTELEXT=y
CONFIG_MTD_CFI_AMDSTD=y
-CONFIG_MTD_CFI_STAA=y
+# CONFIG_MTD_CFI_STAA is not set
CONFIG_MTD_CFI_UTIL=y
# CONFIG_MTD_RAM is not set
# CONFIG_MTD_ROM is not set
@@ -481,6 +498,9 @@ CONFIG_MISC_DEVICES=y
# CONFIG_EEPROM_93CX6 is not set
# CONFIG_SGI_IOC4 is not set
# CONFIG_TIFM_CORE is not set
+# CONFIG_ENCLOSURE_SERVICES is not set
+CONFIG_HAVE_IDE=y
+# CONFIG_IDE is not set
#
# SCSI device support
@@ -542,6 +562,7 @@ CONFIG_SCSI_LOWLEVEL=y
# CONFIG_SCSI_IPS is not set
# CONFIG_SCSI_INITIO is not set
# CONFIG_SCSI_INIA100 is not set
+# CONFIG_SCSI_MVSAS is not set
# CONFIG_SCSI_STEX is not set
# CONFIG_SCSI_SYM53C8XX_2 is not set
# CONFIG_SCSI_IPR is not set
@@ -556,7 +577,10 @@ CONFIG_SCSI_LOWLEVEL=y
# CONFIG_SCSI_SRP is not set
CONFIG_ATA=y
# CONFIG_ATA_NONSTANDARD is not set
+CONFIG_SATA_PMP=y
# CONFIG_SATA_AHCI is not set
+# CONFIG_SATA_SIL24 is not set
+CONFIG_ATA_SFF=y
# CONFIG_SATA_SVW is not set
# CONFIG_ATA_PIIX is not set
CONFIG_SATA_MV=y
@@ -566,7 +590,6 @@ CONFIG_SATA_MV=y
# CONFIG_SATA_PROMISE is not set
# CONFIG_SATA_SX4 is not set
# CONFIG_SATA_SIL is not set
-# CONFIG_SATA_SIL24 is not set
# CONFIG_SATA_SIS is not set
# CONFIG_SATA_ULI is not set
# CONFIG_SATA_VIA is not set
@@ -611,6 +634,7 @@ CONFIG_SATA_MV=y
# CONFIG_PATA_VIA is not set
# CONFIG_PATA_WINBOND is not set
# CONFIG_PATA_PLATFORM is not set
+# CONFIG_PATA_SCH is not set
# CONFIG_MD is not set
# CONFIG_FUSION is not set
@@ -652,7 +676,7 @@ CONFIG_NET_PCI=y
# CONFIG_B44 is not set
# CONFIG_FORCEDETH is not set
# CONFIG_EEPRO100 is not set
-CONFIG_E100=y
+# CONFIG_E100 is not set
# CONFIG_FEALNX is not set
# CONFIG_NATSEMI is not set
# CONFIG_NE2K_PCI is not set
@@ -668,9 +692,7 @@ CONFIG_E100=y
CONFIG_NETDEV_1000=y
# CONFIG_ACENIC is not set
# CONFIG_DL2K is not set
-CONFIG_E1000=y
-CONFIG_E1000_NAPI=y
-# CONFIG_E1000_DISABLE_PACKET_SPLIT is not set
+# CONFIG_E1000 is not set
# CONFIG_E1000E is not set
# CONFIG_E1000E_ENABLED is not set
# CONFIG_IP1000 is not set
@@ -680,27 +702,15 @@ CONFIG_E1000_NAPI=y
# CONFIG_YELLOWFIN is not set
# CONFIG_R8169 is not set
# CONFIG_SIS190 is not set
-CONFIG_SKGE=y
-CONFIG_SKY2=y
-# CONFIG_SK98LIN is not set
+# CONFIG_SKGE is not set
+# CONFIG_SKY2 is not set
# CONFIG_VIA_VELOCITY is not set
-CONFIG_TIGON3=y
+# CONFIG_TIGON3 is not set
# CONFIG_BNX2 is not set
CONFIG_MV643XX_ETH=y
# CONFIG_QLA3XXX is not set
# CONFIG_ATL1 is not set
-CONFIG_NETDEV_10000=y
-# CONFIG_CHELSIO_T1 is not set
-# CONFIG_CHELSIO_T3 is not set
-# CONFIG_IXGBE is not set
-# CONFIG_IXGB is not set
-# CONFIG_S2IO is not set
-# CONFIG_MYRI10GE is not set
-# CONFIG_NETXEN_NIC is not set
-# CONFIG_NIU is not set
-# CONFIG_MLX4_CORE is not set
-# CONFIG_TEHUTI is not set
-# CONFIG_BNX2X is not set
+# CONFIG_NETDEV_10000 is not set
# CONFIG_TR is not set
#
@@ -708,6 +718,7 @@ CONFIG_NETDEV_10000=y
#
# CONFIG_WLAN_PRE80211 is not set
# CONFIG_WLAN_80211 is not set
+# CONFIG_IWLWIFI_LEDS is not set
#
# USB Network Adapters
@@ -738,12 +749,9 @@ CONFIG_INPUT=y
#
# Userland interfaces
#
-CONFIG_INPUT_MOUSEDEV=y
-CONFIG_INPUT_MOUSEDEV_PSAUX=y
-CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
-CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
+# CONFIG_INPUT_MOUSEDEV is not set
# CONFIG_INPUT_JOYDEV is not set
-# CONFIG_INPUT_EVDEV is not set
+CONFIG_INPUT_EVDEV=y
# CONFIG_INPUT_EVBUG is not set
#
@@ -765,10 +773,8 @@ CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
#
# Character devices
#
-CONFIG_VT=y
-CONFIG_VT_CONSOLE=y
-CONFIG_HW_CONSOLE=y
-# CONFIG_VT_HW_CONSOLE_BINDING is not set
+# CONFIG_VT is not set
+CONFIG_DEVKMEM=y
# CONFIG_SERIAL_NONSTANDARD is not set
# CONFIG_NOZOMI is not set
@@ -777,7 +783,7 @@ CONFIG_HW_CONSOLE=y
#
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
-CONFIG_SERIAL_8250_PCI=y
+# CONFIG_SERIAL_8250_PCI is not set
CONFIG_SERIAL_8250_NR_UARTS=4
CONFIG_SERIAL_8250_RUNTIME_UARTS=2
# CONFIG_SERIAL_8250_EXTENDED is not set
@@ -792,7 +798,7 @@ CONFIG_UNIX98_PTYS=y
CONFIG_LEGACY_PTYS=y
CONFIG_LEGACY_PTY_COUNT=16
# CONFIG_IPMI_HANDLER is not set
-CONFIG_HW_RANDOM=m
+# CONFIG_HW_RANDOM is not set
# CONFIG_NVRAM is not set
# CONFIG_R3964 is not set
# CONFIG_APPLICOM is not set
@@ -804,13 +810,6 @@ CONFIG_I2C_BOARDINFO=y
CONFIG_I2C_CHARDEV=y
#
-# I2C Algorithms
-#
-# CONFIG_I2C_ALGOBIT is not set
-# CONFIG_I2C_ALGOPCF is not set
-# CONFIG_I2C_ALGOPCA is not set
-
-#
# I2C Hardware Bus support
#
# CONFIG_I2C_ALI1535 is not set
@@ -837,6 +836,7 @@ CONFIG_I2C_CHARDEV=y
# CONFIG_I2C_VIA is not set
# CONFIG_I2C_VIAPRO is not set
# CONFIG_I2C_VOODOO3 is not set
+# CONFIG_I2C_PCA_PLATFORM is not set
CONFIG_I2C_MV64XXX=y
#
@@ -847,19 +847,13 @@ CONFIG_I2C_MV64XXX=y
# CONFIG_SENSORS_PCF8574 is not set
# CONFIG_PCF8575 is not set
# CONFIG_SENSORS_PCF8591 is not set
-# CONFIG_TPS65010 is not set
# CONFIG_SENSORS_MAX6875 is not set
# CONFIG_SENSORS_TSL2550 is not set
# CONFIG_I2C_DEBUG_CORE is not set
# CONFIG_I2C_DEBUG_ALGO is not set
# CONFIG_I2C_DEBUG_BUS is not set
# CONFIG_I2C_DEBUG_CHIP is not set
-
-#
-# SPI support
-#
# CONFIG_SPI is not set
-# CONFIG_SPI_MASTER is not set
# CONFIG_W1 is not set
# CONFIG_POWER_SUPPLY is not set
CONFIG_HWMON=y
@@ -872,6 +866,7 @@ CONFIG_HWMON=y
# CONFIG_SENSORS_ADM1031 is not set
# CONFIG_SENSORS_ADM9240 is not set
# CONFIG_SENSORS_ADT7470 is not set
+# CONFIG_SENSORS_ADT7473 is not set
# CONFIG_SENSORS_ATXP1 is not set
# CONFIG_SENSORS_DS1621 is not set
# CONFIG_SENSORS_I5K_AMB is not set
@@ -901,6 +896,7 @@ CONFIG_HWMON=y
# CONFIG_SENSORS_SMSC47M1 is not set
# CONFIG_SENSORS_SMSC47M192 is not set
# CONFIG_SENSORS_SMSC47B397 is not set
+# CONFIG_SENSORS_ADS7828 is not set
# CONFIG_SENSORS_THMC50 is not set
# CONFIG_SENSORS_VIA686A is not set
# CONFIG_SENSORS_VT1211 is not set
@@ -910,6 +906,7 @@ CONFIG_HWMON=y
# CONFIG_SENSORS_W83792D is not set
# CONFIG_SENSORS_W83793 is not set
# CONFIG_SENSORS_W83L785TS is not set
+# CONFIG_SENSORS_W83L786NG is not set
# CONFIG_SENSORS_W83627HF is not set
# CONFIG_SENSORS_W83627EHF is not set
# CONFIG_HWMON_DEBUG_CHIP is not set
@@ -925,14 +922,24 @@ CONFIG_SSB_POSSIBLE=y
# Multifunction device drivers
#
# CONFIG_MFD_SM501 is not set
+# CONFIG_MFD_ASIC3 is not set
+# CONFIG_HTC_PASIC3 is not set
#
# Multimedia devices
#
+
+#
+# Multimedia core support
+#
# CONFIG_VIDEO_DEV is not set
# CONFIG_DVB_CORE is not set
-CONFIG_DAB=y
-# CONFIG_USB_DABUSB is not set
+# CONFIG_VIDEO_MEDIA is not set
+
+#
+# Multimedia drivers
+#
+# CONFIG_DAB is not set
#
# Graphics support
@@ -949,12 +956,6 @@ CONFIG_DAB=y
# CONFIG_DISPLAY_SUPPORT is not set
#
-# Console display driver support
-#
-# CONFIG_VGA_CONSOLE is not set
-CONFIG_DUMMY_CONSOLE=y
-
-#
# Sound
#
# CONFIG_SOUND is not set
@@ -985,14 +986,18 @@ CONFIG_USB_DEVICEFS=y
CONFIG_USB_DEVICE_CLASS=y
# CONFIG_USB_DYNAMIC_MINORS is not set
# CONFIG_USB_OTG is not set
+# CONFIG_USB_OTG_WHITELIST is not set
+# CONFIG_USB_OTG_BLACKLIST_HUB is not set
#
# USB Host Controller Drivers
#
+# CONFIG_USB_C67X00_HCD is not set
CONFIG_USB_EHCI_HCD=y
CONFIG_USB_EHCI_ROOT_HUB_TT=y
CONFIG_USB_EHCI_TT_NEWSCHED=y
# CONFIG_USB_ISP116X_HCD is not set
+# CONFIG_USB_ISP1760_HCD is not set
# CONFIG_USB_OHCI_HCD is not set
# CONFIG_USB_UHCI_HCD is not set
# CONFIG_USB_SL811_HCD is not set
@@ -1003,6 +1008,7 @@ CONFIG_USB_EHCI_TT_NEWSCHED=y
#
# CONFIG_USB_ACM is not set
CONFIG_USB_PRINTER=y
+# CONFIG_USB_WDM is not set
#
# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
@@ -1022,7 +1028,9 @@ CONFIG_USB_STORAGE_SDDR09=y
CONFIG_USB_STORAGE_SDDR55=y
CONFIG_USB_STORAGE_JUMPSHOT=y
# CONFIG_USB_STORAGE_ALAUDA is not set
+# CONFIG_USB_STORAGE_ONETOUCH is not set
# CONFIG_USB_STORAGE_KARMA is not set
+# CONFIG_USB_STORAGE_CYPRESS_ATACB is not set
# CONFIG_USB_LIBUSUAL is not set
#
@@ -1060,6 +1068,7 @@ CONFIG_USB_STORAGE_JUMPSHOT=y
# CONFIG_USB_TRANCEVIBRATOR is not set
# CONFIG_USB_IOWARRIOR is not set
# CONFIG_USB_TEST is not set
+# CONFIG_USB_ISIGHTFW is not set
# CONFIG_USB_GADGET is not set
# CONFIG_MMC is not set
CONFIG_NEW_LEDS=y
@@ -1068,7 +1077,7 @@ CONFIG_LEDS_CLASS=y
#
# LED drivers
#
-# CONFIG_LEDS_GPIO is not set
+CONFIG_LEDS_GPIO=y
#
# LED Triggers
@@ -1076,6 +1085,7 @@ CONFIG_LEDS_CLASS=y
CONFIG_LEDS_TRIGGERS=y
CONFIG_LEDS_TRIGGER_TIMER=y
CONFIG_LEDS_TRIGGER_HEARTBEAT=y
+CONFIG_LEDS_TRIGGER_DEFAULT_ON=y
CONFIG_RTC_LIB=y
CONFIG_RTC_CLASS=y
CONFIG_RTC_HCTOSYS=y
@@ -1105,6 +1115,7 @@ CONFIG_RTC_DRV_RS5C372=y
# CONFIG_RTC_DRV_PCF8583 is not set
CONFIG_RTC_DRV_M41T80=y
# CONFIG_RTC_DRV_M41T80_WDT is not set
+# CONFIG_RTC_DRV_S35390A is not set
#
# SPI RTC drivers
@@ -1125,6 +1136,7 @@ CONFIG_RTC_DRV_M41T80=y
#
# on-CPU RTC drivers
#
+# CONFIG_UIO is not set
#
# File systems
@@ -1140,14 +1152,11 @@ CONFIG_JBD=y
# CONFIG_JFS_FS is not set
# CONFIG_FS_POSIX_ACL is not set
# CONFIG_XFS_FS is not set
-# CONFIG_GFS2_FS is not set
# CONFIG_OCFS2_FS is not set
-# CONFIG_MINIX_FS is not set
-# CONFIG_ROMFS_FS is not set
+CONFIG_DNOTIFY=y
CONFIG_INOTIFY=y
CONFIG_INOTIFY_USER=y
# CONFIG_QUOTA is not set
-CONFIG_DNOTIFY=y
# CONFIG_AUTOFS_FS is not set
# CONFIG_AUTOFS4_FS is not set
# CONFIG_FUSE_FS is not set
@@ -1155,8 +1164,8 @@ CONFIG_DNOTIFY=y
#
# CD-ROM/DVD Filesystems
#
-CONFIG_ISO9660_FS=y
-# CONFIG_JOLIET is not set
+CONFIG_ISO9660_FS=m
+CONFIG_JOLIET=y
# CONFIG_ZISOFS is not set
CONFIG_UDF_FS=m
CONFIG_UDF_NLS=y
@@ -1205,8 +1214,10 @@ CONFIG_JFFS2_RTIME=y
# CONFIG_JFFS2_RUBIN is not set
CONFIG_CRAMFS=y
# CONFIG_VXFS_FS is not set
+# CONFIG_MINIX_FS is not set
# CONFIG_HPFS_FS is not set
# CONFIG_QNX4FS_FS is not set
+# CONFIG_ROMFS_FS is not set
# CONFIG_SYSV_FS is not set
# CONFIG_UFS_FS is not set
CONFIG_NETWORK_FILESYSTEMS=y
@@ -1214,7 +1225,6 @@ CONFIG_NFS_FS=y
CONFIG_NFS_V3=y
# CONFIG_NFS_V3_ACL is not set
# CONFIG_NFS_V4 is not set
-# CONFIG_NFS_DIRECTIO is not set
# CONFIG_NFSD is not set
CONFIG_ROOT_NFS=y
CONFIG_LOCKD=y
@@ -1241,14 +1251,13 @@ CONFIG_PARTITION_ADVANCED=y
# CONFIG_MAC_PARTITION is not set
CONFIG_MSDOS_PARTITION=y
CONFIG_BSD_DISKLABEL=y
-CONFIG_MINIX_SUBPARTITION=y
-CONFIG_SOLARIS_X86_PARTITION=y
-CONFIG_UNIXWARE_DISKLABEL=y
-CONFIG_LDM_PARTITION=y
-CONFIG_LDM_DEBUG=y
+# CONFIG_MINIX_SUBPARTITION is not set
+# CONFIG_SOLARIS_X86_PARTITION is not set
+# CONFIG_UNIXWARE_DISKLABEL is not set
+# CONFIG_LDM_PARTITION is not set
# CONFIG_SGI_PARTITION is not set
# CONFIG_ULTRIX_PARTITION is not set
-CONFIG_SUN_PARTITION=y
+# CONFIG_SUN_PARTITION is not set
# CONFIG_KARMA_PARTITION is not set
# CONFIG_EFI_PARTITION is not set
# CONFIG_SYSV68_PARTITION is not set
@@ -1300,15 +1309,48 @@ CONFIG_NLS_ISO8859_2=y
# CONFIG_PRINTK_TIME is not set
CONFIG_ENABLE_WARN_DEPRECATED=y
CONFIG_ENABLE_MUST_CHECK=y
-# CONFIG_MAGIC_SYSRQ is not set
+CONFIG_FRAME_WARN=1024
+CONFIG_MAGIC_SYSRQ=y
# CONFIG_UNUSED_SYMBOLS is not set
# CONFIG_DEBUG_FS is not set
# CONFIG_HEADERS_CHECK is not set
-# CONFIG_DEBUG_KERNEL is not set
+CONFIG_DEBUG_KERNEL=y
+# CONFIG_DEBUG_SHIRQ is not set
+CONFIG_DETECT_SOFTLOCKUP=y
+CONFIG_SCHED_DEBUG=y
+CONFIG_SCHEDSTATS=y
+# CONFIG_TIMER_STATS is not set
+# CONFIG_DEBUG_OBJECTS is not set
+CONFIG_DEBUG_PREEMPT=y
+# CONFIG_DEBUG_RT_MUTEXES is not set
+# CONFIG_RT_MUTEX_TESTER is not set
+# CONFIG_DEBUG_SPINLOCK is not set
+# CONFIG_DEBUG_MUTEXES is not set
+# CONFIG_DEBUG_LOCK_ALLOC is not set
+# CONFIG_PROVE_LOCKING is not set
+# CONFIG_LOCK_STAT is not set
+# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
+# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
+# CONFIG_DEBUG_KOBJECT is not set
# CONFIG_DEBUG_BUGVERBOSE is not set
+CONFIG_DEBUG_INFO=y
+# CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_WRITECOUNT is not set
+# CONFIG_DEBUG_LIST is not set
+# CONFIG_DEBUG_SG is not set
CONFIG_FRAME_POINTER=y
+# CONFIG_BOOT_PRINTK_DELAY is not set
+# CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_KPROBES_SANITY_TEST is not set
+# CONFIG_BACKTRACE_SELF_TEST is not set
+# CONFIG_LKDTM is not set
+# CONFIG_FAULT_INJECTION is not set
# CONFIG_SAMPLES is not set
CONFIG_DEBUG_USER=y
+CONFIG_DEBUG_ERRORS=y
+# CONFIG_DEBUG_STACK_USAGE is not set
+CONFIG_DEBUG_LL=y
+# CONFIG_DEBUG_ICEDCC is not set
#
# Security options
@@ -1317,50 +1359,79 @@ CONFIG_DEBUG_USER=y
# CONFIG_SECURITY is not set
# CONFIG_SECURITY_FILE_CAPABILITIES is not set
CONFIG_CRYPTO=y
+
+#
+# Crypto core or helper
+#
CONFIG_CRYPTO_ALGAPI=m
CONFIG_CRYPTO_BLKCIPHER=m
-# CONFIG_CRYPTO_SEQIV is not set
CONFIG_CRYPTO_MANAGER=m
+# CONFIG_CRYPTO_GF128MUL is not set
+# CONFIG_CRYPTO_NULL is not set
+# CONFIG_CRYPTO_CRYPTD is not set
+# CONFIG_CRYPTO_AUTHENC is not set
+# CONFIG_CRYPTO_TEST is not set
+
+#
+# Authenticated Encryption with Associated Data
+#
+# CONFIG_CRYPTO_CCM is not set
+# CONFIG_CRYPTO_GCM is not set
+# CONFIG_CRYPTO_SEQIV is not set
+
+#
+# Block modes
+#
+CONFIG_CRYPTO_CBC=m
+# CONFIG_CRYPTO_CTR is not set
+# CONFIG_CRYPTO_CTS is not set
+CONFIG_CRYPTO_ECB=m
+# CONFIG_CRYPTO_LRW is not set
+CONFIG_CRYPTO_PCBC=m
+# CONFIG_CRYPTO_XTS is not set
+
+#
+# Hash modes
+#
# CONFIG_CRYPTO_HMAC is not set
# CONFIG_CRYPTO_XCBC is not set
-# CONFIG_CRYPTO_NULL is not set
+
+#
+# Digest
+#
+# CONFIG_CRYPTO_CRC32C is not set
# CONFIG_CRYPTO_MD4 is not set
# CONFIG_CRYPTO_MD5 is not set
+# CONFIG_CRYPTO_MICHAEL_MIC is not set
# CONFIG_CRYPTO_SHA1 is not set
# CONFIG_CRYPTO_SHA256 is not set
# CONFIG_CRYPTO_SHA512 is not set
-# CONFIG_CRYPTO_WP512 is not set
# CONFIG_CRYPTO_TGR192 is not set
-# CONFIG_CRYPTO_GF128MUL is not set
-CONFIG_CRYPTO_ECB=m
-CONFIG_CRYPTO_CBC=m
-CONFIG_CRYPTO_PCBC=m
-# CONFIG_CRYPTO_LRW is not set
-# CONFIG_CRYPTO_XTS is not set
-# CONFIG_CRYPTO_CTR is not set
-# CONFIG_CRYPTO_GCM is not set
-# CONFIG_CRYPTO_CCM is not set
-# CONFIG_CRYPTO_CRYPTD is not set
-# CONFIG_CRYPTO_DES is not set
-# CONFIG_CRYPTO_FCRYPT is not set
-# CONFIG_CRYPTO_BLOWFISH is not set
-# CONFIG_CRYPTO_TWOFISH is not set
-# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_WP512 is not set
+
+#
+# Ciphers
+#
# CONFIG_CRYPTO_AES is not set
+# CONFIG_CRYPTO_ANUBIS is not set
+# CONFIG_CRYPTO_ARC4 is not set
+# CONFIG_CRYPTO_BLOWFISH is not set
+# CONFIG_CRYPTO_CAMELLIA is not set
# CONFIG_CRYPTO_CAST5 is not set
# CONFIG_CRYPTO_CAST6 is not set
-# CONFIG_CRYPTO_TEA is not set
-# CONFIG_CRYPTO_ARC4 is not set
+# CONFIG_CRYPTO_DES is not set
+# CONFIG_CRYPTO_FCRYPT is not set
# CONFIG_CRYPTO_KHAZAD is not set
-# CONFIG_CRYPTO_ANUBIS is not set
-# CONFIG_CRYPTO_SEED is not set
# CONFIG_CRYPTO_SALSA20 is not set
+# CONFIG_CRYPTO_SEED is not set
+# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_TEA is not set
+# CONFIG_CRYPTO_TWOFISH is not set
+
+#
+# Compression
+#
# CONFIG_CRYPTO_DEFLATE is not set
-# CONFIG_CRYPTO_MICHAEL_MIC is not set
-# CONFIG_CRYPTO_CRC32C is not set
-# CONFIG_CRYPTO_CAMELLIA is not set
-# CONFIG_CRYPTO_TEST is not set
-# CONFIG_CRYPTO_AUTHENC is not set
# CONFIG_CRYPTO_LZO is not set
CONFIG_CRYPTO_HW=y
# CONFIG_CRYPTO_DEV_HIFN_795X is not set
@@ -1369,12 +1440,14 @@ CONFIG_CRYPTO_HW=y
# Library routines
#
CONFIG_BITREVERSE=y
-CONFIG_CRC_CCITT=y
-CONFIG_CRC16=y
-# CONFIG_CRC_ITU_T is not set
+# CONFIG_GENERIC_FIND_FIRST_BIT is not set
+# CONFIG_GENERIC_FIND_NEXT_BIT is not set
+# CONFIG_CRC_CCITT is not set
+# CONFIG_CRC16 is not set
+CONFIG_CRC_ITU_T=m
CONFIG_CRC32=y
# CONFIG_CRC7 is not set
-CONFIG_LIBCRC32C=y
+# CONFIG_LIBCRC32C is not set
CONFIG_ZLIB_INFLATE=y
CONFIG_ZLIB_DEFLATE=y
CONFIG_PLIST=y
diff --git a/arch/arm/configs/pcm037_defconfig b/arch/arm/configs/pcm037_defconfig
new file mode 100644
index 00000000000..62747458647
--- /dev/null
+++ b/arch/arm/configs/pcm037_defconfig
@@ -0,0 +1,748 @@
+#
+# Automatically generated make config: don't edit
+# Linux kernel version: 2.6.26-rc6
+# Wed Jun 25 11:52:42 2008
+#
+CONFIG_ARM=y
+CONFIG_SYS_SUPPORTS_APM_EMULATION=y
+CONFIG_GENERIC_GPIO=y
+CONFIG_GENERIC_TIME=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+CONFIG_MMU=y
+# CONFIG_NO_IOPORT is not set
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
+CONFIG_HARDIRQS_SW_RESEND=y
+CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+# CONFIG_ARCH_HAS_ILOG2_U32 is not set
+# CONFIG_ARCH_HAS_ILOG2_U64 is not set
+CONFIG_GENERIC_HWEIGHT=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_ARCH_SUPPORTS_AOUT=y
+CONFIG_ZONE_DMA=y
+CONFIG_ARCH_MTD_XIP=y
+CONFIG_VECTORS_BASE=0xffff0000
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+
+#
+# General setup
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_BROKEN_ON_SMP=y
+CONFIG_LOCK_KERNEL=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+CONFIG_LOCALVERSION=""
+CONFIG_LOCALVERSION_AUTO=y
+CONFIG_SWAP=y
+CONFIG_SYSVIPC=y
+CONFIG_SYSVIPC_SYSCTL=y
+# CONFIG_POSIX_MQUEUE is not set
+# CONFIG_BSD_PROCESS_ACCT is not set
+# CONFIG_TASKSTATS is not set
+# CONFIG_AUDIT is not set
+CONFIG_IKCONFIG=y
+CONFIG_IKCONFIG_PROC=y
+CONFIG_LOG_BUF_SHIFT=14
+# CONFIG_CGROUPS is not set
+CONFIG_GROUP_SCHED=y
+CONFIG_FAIR_GROUP_SCHED=y
+# CONFIG_RT_GROUP_SCHED is not set
+CONFIG_USER_SCHED=y
+# CONFIG_CGROUP_SCHED is not set
+CONFIG_SYSFS_DEPRECATED=y
+CONFIG_SYSFS_DEPRECATED_V2=y
+# CONFIG_RELAY is not set
+# CONFIG_NAMESPACES is not set
+# CONFIG_BLK_DEV_INITRD is not set
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_SYSCTL=y
+CONFIG_EMBEDDED=y
+CONFIG_UID16=y
+CONFIG_SYSCTL_SYSCALL=y
+CONFIG_SYSCTL_SYSCALL_CHECK=y
+CONFIG_KALLSYMS=y
+# CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_HOTPLUG=y
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_ELF_CORE=y
+CONFIG_COMPAT_BRK=y
+CONFIG_BASE_FULL=y
+CONFIG_FUTEX=y
+CONFIG_ANON_INODES=y
+CONFIG_EPOLL=y
+CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
+CONFIG_EVENTFD=y
+CONFIG_SHMEM=y
+CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_SLAB=y
+# CONFIG_SLUB is not set
+# CONFIG_SLOB is not set
+# CONFIG_PROFILING is not set
+# CONFIG_MARKERS is not set
+CONFIG_HAVE_OPROFILE=y
+# CONFIG_KPROBES is not set
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+# CONFIG_HAVE_DMA_ATTRS is not set
+CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_SLABINFO=y
+CONFIG_RT_MUTEXES=y
+# CONFIG_TINY_SHMEM is not set
+CONFIG_BASE_SMALL=0
+CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
+CONFIG_MODULE_UNLOAD=y
+CONFIG_MODULE_FORCE_UNLOAD=y
+CONFIG_MODVERSIONS=y
+# CONFIG_MODULE_SRCVERSION_ALL is not set
+CONFIG_KMOD=y
+CONFIG_BLOCK=y
+# CONFIG_LBD is not set
+# CONFIG_BLK_DEV_IO_TRACE is not set
+# CONFIG_LSF is not set
+# CONFIG_BLK_DEV_BSG is not set
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+CONFIG_IOSCHED_AS=y
+CONFIG_IOSCHED_DEADLINE=y
+CONFIG_IOSCHED_CFQ=y
+# CONFIG_DEFAULT_AS is not set
+# CONFIG_DEFAULT_DEADLINE is not set
+CONFIG_DEFAULT_CFQ=y
+# CONFIG_DEFAULT_NOOP is not set
+CONFIG_DEFAULT_IOSCHED="cfq"
+CONFIG_CLASSIC_RCU=y
+
+#
+# System Type
+#
+# CONFIG_ARCH_AAEC2000 is not set
+# CONFIG_ARCH_INTEGRATOR is not set
+# CONFIG_ARCH_REALVIEW is not set
+# CONFIG_ARCH_VERSATILE is not set
+# CONFIG_ARCH_AT91 is not set
+# CONFIG_ARCH_CLPS7500 is not set
+# CONFIG_ARCH_CLPS711X is not set
+# CONFIG_ARCH_CO285 is not set
+# CONFIG_ARCH_EBSA110 is not set
+# CONFIG_ARCH_EP93XX is not set
+# CONFIG_ARCH_FOOTBRIDGE is not set
+# CONFIG_ARCH_NETX is not set
+# CONFIG_ARCH_H720X is not set
+# CONFIG_ARCH_IMX is not set
+# CONFIG_ARCH_IOP13XX is not set
+# CONFIG_ARCH_IOP32X is not set
+# CONFIG_ARCH_IOP33X is not set
+# CONFIG_ARCH_IXP23XX is not set
+# CONFIG_ARCH_IXP2000 is not set
+# CONFIG_ARCH_IXP4XX is not set
+# CONFIG_ARCH_L7200 is not set
+# CONFIG_ARCH_KS8695 is not set
+# CONFIG_ARCH_NS9XXX is not set
+CONFIG_ARCH_MXC=y
+# CONFIG_ARCH_ORION5X is not set
+# CONFIG_ARCH_PNX4008 is not set
+# CONFIG_ARCH_PXA is not set
+# CONFIG_ARCH_RPC is not set
+# CONFIG_ARCH_SA1100 is not set
+# CONFIG_ARCH_S3C2410 is not set
+# CONFIG_ARCH_SHARK is not set
+# CONFIG_ARCH_LH7A40X is not set
+# CONFIG_ARCH_DAVINCI is not set
+# CONFIG_ARCH_OMAP is not set
+# CONFIG_ARCH_MSM7X00A is not set
+
+#
+# Boot options
+#
+
+#
+# Power management
+#
+
+#
+# Freescale MXC Implementations
+#
+CONFIG_ARCH_MX3=y
+
+#
+# MX3 Options
+#
+# CONFIG_MACH_MX31ADS is not set
+CONFIG_MACH_PCM037=y
+
+#
+# Processor Type
+#
+CONFIG_CPU_32=y
+CONFIG_CPU_V6=y
+# CONFIG_CPU_32v6K is not set
+CONFIG_CPU_32v6=y
+CONFIG_CPU_ABRT_EV6=y
+CONFIG_CPU_PABRT_NOIFAR=y
+CONFIG_CPU_CACHE_V6=y
+CONFIG_CPU_CACHE_VIPT=y
+CONFIG_CPU_COPY_V6=y
+CONFIG_CPU_TLB_V6=y
+CONFIG_CPU_HAS_ASID=y
+CONFIG_CPU_CP15=y
+CONFIG_CPU_CP15_MMU=y
+
+#
+# Processor Features
+#
+CONFIG_ARM_THUMB=y
+# CONFIG_CPU_ICACHE_DISABLE is not set
+# CONFIG_CPU_DCACHE_DISABLE is not set
+# CONFIG_CPU_BPREDICT_DISABLE is not set
+# CONFIG_OUTER_CACHE is not set
+
+#
+# Bus support
+#
+# CONFIG_PCI_SYSCALL is not set
+# CONFIG_ARCH_SUPPORTS_MSI is not set
+# CONFIG_PCCARD is not set
+
+#
+# Kernel Features
+#
+CONFIG_TICK_ONESHOT=y
+CONFIG_NO_HZ=y
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
+CONFIG_PREEMPT=y
+CONFIG_HZ=100
+CONFIG_AEABI=y
+# CONFIG_OABI_COMPAT is not set
+# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+# CONFIG_SPARSEMEM_STATIC is not set
+# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
+CONFIG_PAGEFLAGS_EXTENDED=y
+CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_RESOURCES_64BIT is not set
+CONFIG_ZONE_DMA_FLAG=1
+CONFIG_BOUNCE=y
+CONFIG_VIRT_TO_BUS=y
+CONFIG_ALIGNMENT_TRAP=y
+
+#
+# Boot options
+#
+CONFIG_ZBOOT_ROM_TEXT=0x0
+CONFIG_ZBOOT_ROM_BSS=0x0
+CONFIG_CMDLINE="noinitrd console=ttymxc0,115200 root=/dev/mtdblock2 rw ip=off"
+# CONFIG_XIP_KERNEL is not set
+# CONFIG_KEXEC is not set
+
+#
+# Floating point emulation
+#
+
+#
+# At least one emulation must be selected
+#
+CONFIG_VFP=y
+
+#
+# Userspace binary formats
+#
+CONFIG_BINFMT_ELF=y
+# CONFIG_BINFMT_AOUT is not set
+# CONFIG_BINFMT_MISC is not set
+
+#
+# Power management options
+#
+# CONFIG_PM is not set
+CONFIG_ARCH_SUSPEND_POSSIBLE=y
+
+#
+# Networking
+#
+CONFIG_NET=y
+
+#
+# Networking options
+#
+CONFIG_PACKET=y
+# CONFIG_PACKET_MMAP is not set
+CONFIG_UNIX=y
+# CONFIG_NET_KEY is not set
+CONFIG_INET=y
+# CONFIG_IP_MULTICAST is not set
+# CONFIG_IP_ADVANCED_ROUTER is not set
+CONFIG_IP_FIB_HASH=y
+CONFIG_IP_PNP=y
+CONFIG_IP_PNP_DHCP=y
+# CONFIG_IP_PNP_BOOTP is not set
+# CONFIG_IP_PNP_RARP is not set
+# CONFIG_NET_IPIP is not set
+# CONFIG_NET_IPGRE is not set
+# CONFIG_ARPD is not set
+# CONFIG_SYN_COOKIES is not set
+# CONFIG_INET_AH is not set
+# CONFIG_INET_ESP is not set
+# CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_XFRM_TUNNEL is not set
+# CONFIG_INET_TUNNEL is not set
+# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
+# CONFIG_INET_XFRM_MODE_TUNNEL is not set
+# CONFIG_INET_XFRM_MODE_BEET is not set
+# CONFIG_INET_LRO is not set
+# CONFIG_INET_DIAG is not set
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_CUBIC=y
+CONFIG_DEFAULT_TCP_CONG="cubic"
+# CONFIG_TCP_MD5SIG is not set
+# CONFIG_IPV6 is not set
+# CONFIG_NETWORK_SECMARK is not set
+# CONFIG_NETFILTER is not set
+# CONFIG_IP_DCCP is not set
+# CONFIG_IP_SCTP is not set
+# CONFIG_TIPC is not set
+# CONFIG_ATM is not set
+# CONFIG_BRIDGE is not set
+# CONFIG_VLAN_8021Q is not set
+# CONFIG_DECNET is not set
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# CONFIG_ATALK is not set
+# CONFIG_X25 is not set
+# CONFIG_LAPB is not set
+# CONFIG_ECONET is not set
+# CONFIG_WAN_ROUTER is not set
+# CONFIG_NET_SCHED is not set
+
+#
+# Network testing
+#
+# CONFIG_NET_PKTGEN is not set
+# CONFIG_HAMRADIO is not set
+# CONFIG_CAN is not set
+# CONFIG_IRDA is not set
+# CONFIG_BT is not set
+# CONFIG_AF_RXRPC is not set
+
+#
+# Wireless
+#
+# CONFIG_CFG80211 is not set
+# CONFIG_WIRELESS_EXT is not set
+# CONFIG_MAC80211 is not set
+# CONFIG_IEEE80211 is not set
+# CONFIG_RFKILL is not set
+# CONFIG_NET_9P is not set
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+CONFIG_STANDALONE=y
+CONFIG_PREVENT_FIRMWARE_BUILD=y
+CONFIG_FW_LOADER=m
+# CONFIG_SYS_HYPERVISOR is not set
+# CONFIG_CONNECTOR is not set
+CONFIG_MTD=y
+# CONFIG_MTD_DEBUG is not set
+# CONFIG_MTD_CONCAT is not set
+CONFIG_MTD_PARTITIONS=y
+# CONFIG_MTD_REDBOOT_PARTS is not set
+CONFIG_MTD_CMDLINE_PARTS=y
+# CONFIG_MTD_AFS_PARTS is not set
+# CONFIG_MTD_AR7_PARTS is not set
+
+#
+# User Modules And Translation Layers
+#
+CONFIG_MTD_CHAR=y
+CONFIG_MTD_BLKDEVS=y
+CONFIG_MTD_BLOCK=y
+# CONFIG_FTL is not set
+# CONFIG_NFTL is not set
+# CONFIG_INFTL is not set
+# CONFIG_RFD_FTL is not set
+# CONFIG_SSFDC is not set
+# CONFIG_MTD_OOPS is not set
+
+#
+# RAM/ROM/Flash chip drivers
+#
+CONFIG_MTD_CFI=y
+# CONFIG_MTD_JEDECPROBE is not set
+CONFIG_MTD_GEN_PROBE=y
+# CONFIG_MTD_CFI_ADV_OPTIONS is not set
+# CONFIG_MTD_CFI_NOSWAP is not set
+# CONFIG_MTD_CFI_BE_BYTE_SWAP is not set
+# CONFIG_MTD_CFI_LE_BYTE_SWAP is not set
+CONFIG_MTD_MAP_BANK_WIDTH_1=y
+CONFIG_MTD_MAP_BANK_WIDTH_2=y
+CONFIG_MTD_MAP_BANK_WIDTH_4=y
+# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
+CONFIG_MTD_CFI_I1=y
+CONFIG_MTD_CFI_I2=y
+# CONFIG_MTD_CFI_I4 is not set
+# CONFIG_MTD_CFI_I8 is not set
+# CONFIG_MTD_CFI_INTELEXT is not set
+# CONFIG_MTD_CFI_AMDSTD is not set
+# CONFIG_MTD_CFI_STAA is not set
+# CONFIG_MTD_RAM is not set
+# CONFIG_MTD_ROM is not set
+# CONFIG_MTD_ABSENT is not set
+
+#
+# Mapping drivers for chip access
+#
+# CONFIG_MTD_COMPLEX_MAPPINGS is not set
+CONFIG_MTD_PHYSMAP=y
+CONFIG_MTD_PHYSMAP_START=0x0
+CONFIG_MTD_PHYSMAP_LEN=0
+CONFIG_MTD_PHYSMAP_BANKWIDTH=2
+# CONFIG_MTD_ARM_INTEGRATOR is not set
+# CONFIG_MTD_PLATRAM is not set
+
+#
+# Self-contained MTD device drivers
+#
+# CONFIG_MTD_SLRAM is not set
+# CONFIG_MTD_PHRAM is not set
+# CONFIG_MTD_MTDRAM is not set
+# CONFIG_MTD_BLOCK2MTD is not set
+
+#
+# Disk-On-Chip Device Drivers
+#
+# CONFIG_MTD_DOC2000 is not set
+# CONFIG_MTD_DOC2001 is not set
+# CONFIG_MTD_DOC2001PLUS is not set
+# CONFIG_MTD_NAND is not set
+# CONFIG_MTD_ONENAND is not set
+
+#
+# UBI - Unsorted block images
+#
+# CONFIG_MTD_UBI is not set
+# CONFIG_PARPORT is not set
+# CONFIG_BLK_DEV is not set
+# CONFIG_MISC_DEVICES is not set
+CONFIG_HAVE_IDE=y
+# CONFIG_IDE is not set
+
+#
+# SCSI device support
+#
+# CONFIG_RAID_ATTRS is not set
+# CONFIG_SCSI is not set
+# CONFIG_SCSI_DMA is not set
+# CONFIG_SCSI_NETLINK is not set
+# CONFIG_ATA is not set
+# CONFIG_MD is not set
+CONFIG_NETDEVICES=y
+# CONFIG_NETDEVICES_MULTIQUEUE is not set
+# CONFIG_DUMMY is not set
+# CONFIG_BONDING is not set
+# CONFIG_MACVLAN is not set
+# CONFIG_EQUALIZER is not set
+# CONFIG_TUN is not set
+# CONFIG_VETH is not set
+# CONFIG_PHYLIB is not set
+CONFIG_NET_ETHERNET=y
+CONFIG_MII=y
+# CONFIG_AX88796 is not set
+CONFIG_SMC91X=y
+# CONFIG_DM9000 is not set
+# CONFIG_IBM_NEW_EMAC_ZMII is not set
+# CONFIG_IBM_NEW_EMAC_RGMII is not set
+# CONFIG_IBM_NEW_EMAC_TAH is not set
+# CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_B44 is not set
+# CONFIG_NETDEV_1000 is not set
+# CONFIG_NETDEV_10000 is not set
+
+#
+# Wireless LAN
+#
+# CONFIG_WLAN_PRE80211 is not set
+# CONFIG_WLAN_80211 is not set
+# CONFIG_IWLWIFI_LEDS is not set
+# CONFIG_WAN is not set
+# CONFIG_PPP is not set
+# CONFIG_SLIP is not set
+# CONFIG_NETCONSOLE is not set
+# CONFIG_NETPOLL is not set
+# CONFIG_NET_POLL_CONTROLLER is not set
+# CONFIG_ISDN is not set
+
+#
+# Input device support
+#
+# CONFIG_INPUT is not set
+
+#
+# Hardware I/O ports
+#
+# CONFIG_SERIO is not set
+# CONFIG_GAMEPORT is not set
+
+#
+# Character devices
+#
+# CONFIG_VT is not set
+CONFIG_DEVKMEM=y
+# CONFIG_SERIAL_NONSTANDARD is not set
+
+#
+# Serial drivers
+#
+# CONFIG_SERIAL_8250 is not set
+
+#
+# Non-8250 serial port support
+#
+CONFIG_SERIAL_IMX=y
+CONFIG_SERIAL_IMX_CONSOLE=y
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+CONFIG_UNIX98_PTYS=y
+# CONFIG_LEGACY_PTYS is not set
+# CONFIG_IPMI_HANDLER is not set
+# CONFIG_HW_RANDOM is not set
+# CONFIG_NVRAM is not set
+# CONFIG_R3964 is not set
+# CONFIG_RAW_DRIVER is not set
+# CONFIG_TCG_TPM is not set
+# CONFIG_I2C is not set
+# CONFIG_SPI is not set
+CONFIG_HAVE_GPIO_LIB=y
+
+#
+# GPIO Support
+#
+
+#
+# I2C GPIO expanders:
+#
+
+#
+# SPI GPIO expanders:
+#
+# CONFIG_W1 is not set
+# CONFIG_POWER_SUPPLY is not set
+# CONFIG_HWMON is not set
+# CONFIG_WATCHDOG is not set
+
+#
+# Sonics Silicon Backplane
+#
+CONFIG_SSB_POSSIBLE=y
+# CONFIG_SSB is not set
+
+#
+# Multifunction device drivers
+#
+# CONFIG_MFD_SM501 is not set
+# CONFIG_MFD_ASIC3 is not set
+# CONFIG_HTC_EGPIO is not set
+# CONFIG_HTC_PASIC3 is not set
+
+#
+# Multimedia devices
+#
+
+#
+# Multimedia core support
+#
+# CONFIG_VIDEO_DEV is not set
+# CONFIG_DVB_CORE is not set
+# CONFIG_VIDEO_MEDIA is not set
+
+#
+# Multimedia drivers
+#
+# CONFIG_DAB is not set
+
+#
+# Graphics support
+#
+# CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
+# CONFIG_FB is not set
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+
+#
+# Display device support
+#
+# CONFIG_DISPLAY_SUPPORT is not set
+
+#
+# Sound
+#
+# CONFIG_SOUND is not set
+# CONFIG_USB_SUPPORT is not set
+# CONFIG_MMC is not set
+# CONFIG_NEW_LEDS is not set
+CONFIG_RTC_LIB=y
+# CONFIG_RTC_CLASS is not set
+# CONFIG_UIO is not set
+
+#
+# File systems
+#
+# CONFIG_EXT2_FS is not set
+# CONFIG_EXT3_FS is not set
+# CONFIG_EXT4DEV_FS is not set
+# CONFIG_REISERFS_FS is not set
+# CONFIG_JFS_FS is not set
+# CONFIG_FS_POSIX_ACL is not set
+# CONFIG_XFS_FS is not set
+# CONFIG_OCFS2_FS is not set
+# CONFIG_DNOTIFY is not set
+CONFIG_INOTIFY=y
+CONFIG_INOTIFY_USER=y
+# CONFIG_QUOTA is not set
+# CONFIG_AUTOFS_FS is not set
+# CONFIG_AUTOFS4_FS is not set
+# CONFIG_FUSE_FS is not set
+
+#
+# CD-ROM/DVD Filesystems
+#
+# CONFIG_ISO9660_FS is not set
+# CONFIG_UDF_FS is not set
+
+#
+# DOS/FAT/NT Filesystems
+#
+# CONFIG_MSDOS_FS is not set
+# CONFIG_VFAT_FS is not set
+# CONFIG_NTFS_FS is not set
+
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+CONFIG_PROC_SYSCTL=y
+CONFIG_SYSFS=y
+CONFIG_TMPFS=y
+# CONFIG_TMPFS_POSIX_ACL is not set
+# CONFIG_HUGETLB_PAGE is not set
+# CONFIG_CONFIGFS_FS is not set
+
+#
+# Miscellaneous filesystems
+#
+# CONFIG_ADFS_FS is not set
+# CONFIG_AFFS_FS is not set
+# CONFIG_HFS_FS is not set
+# CONFIG_HFSPLUS_FS is not set
+# CONFIG_BEFS_FS is not set
+# CONFIG_BFS_FS is not set
+# CONFIG_EFS_FS is not set
+CONFIG_JFFS2_FS=y
+CONFIG_JFFS2_FS_DEBUG=0
+CONFIG_JFFS2_FS_WRITEBUFFER=y
+# CONFIG_JFFS2_FS_WBUF_VERIFY is not set
+# CONFIG_JFFS2_SUMMARY is not set
+# CONFIG_JFFS2_FS_XATTR is not set
+# CONFIG_JFFS2_COMPRESSION_OPTIONS is not set
+CONFIG_JFFS2_ZLIB=y
+# CONFIG_JFFS2_LZO is not set
+CONFIG_JFFS2_RTIME=y
+# CONFIG_JFFS2_RUBIN is not set
+# CONFIG_CRAMFS is not set
+# CONFIG_VXFS_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_HPFS_FS is not set
+# CONFIG_QNX4FS_FS is not set
+# CONFIG_ROMFS_FS is not set
+# CONFIG_SYSV_FS is not set
+# CONFIG_UFS_FS is not set
+CONFIG_NETWORK_FILESYSTEMS=y
+CONFIG_NFS_FS=y
+# CONFIG_NFS_V3 is not set
+# CONFIG_NFS_V4 is not set
+# CONFIG_NFSD is not set
+CONFIG_ROOT_NFS=y
+CONFIG_LOCKD=y
+CONFIG_NFS_COMMON=y
+CONFIG_SUNRPC=y
+# CONFIG_SUNRPC_BIND34 is not set
+# CONFIG_RPCSEC_GSS_KRB5 is not set
+# CONFIG_RPCSEC_GSS_SPKM3 is not set
+# CONFIG_SMB_FS is not set
+# CONFIG_CIFS is not set
+# CONFIG_NCP_FS is not set
+# CONFIG_CODA_FS is not set
+# CONFIG_AFS_FS is not set
+
+#
+# Partition Types
+#
+# CONFIG_PARTITION_ADVANCED is not set
+CONFIG_MSDOS_PARTITION=y
+# CONFIG_NLS is not set
+# CONFIG_DLM is not set
+
+#
+# Kernel hacking
+#
+# CONFIG_PRINTK_TIME is not set
+# CONFIG_ENABLE_WARN_DEPRECATED is not set
+# CONFIG_ENABLE_MUST_CHECK is not set
+CONFIG_FRAME_WARN=1024
+# CONFIG_MAGIC_SYSRQ is not set
+# CONFIG_UNUSED_SYMBOLS is not set
+# CONFIG_DEBUG_FS is not set
+# CONFIG_HEADERS_CHECK is not set
+# CONFIG_DEBUG_KERNEL is not set
+# CONFIG_DEBUG_BUGVERBOSE is not set
+CONFIG_FRAME_POINTER=y
+# CONFIG_SAMPLES is not set
+# CONFIG_DEBUG_USER is not set
+
+#
+# Security options
+#
+# CONFIG_KEYS is not set
+# CONFIG_SECURITY is not set
+# CONFIG_SECURITY_FILE_CAPABILITIES is not set
+# CONFIG_CRYPTO is not set
+
+#
+# Library routines
+#
+CONFIG_BITREVERSE=y
+# CONFIG_GENERIC_FIND_FIRST_BIT is not set
+# CONFIG_GENERIC_FIND_NEXT_BIT is not set
+# CONFIG_CRC_CCITT is not set
+# CONFIG_CRC16 is not set
+# CONFIG_CRC_ITU_T is not set
+CONFIG_CRC32=y
+# CONFIG_CRC7 is not set
+# CONFIG_LIBCRC32C is not set
+CONFIG_ZLIB_INFLATE=y
+CONFIG_ZLIB_DEFLATE=y
+CONFIG_PLIST=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
+CONFIG_HAS_DMA=y
diff --git a/arch/arm/configs/pcm038_defconfig b/arch/arm/configs/pcm038_defconfig
new file mode 100644
index 00000000000..6b798c215ca
--- /dev/null
+++ b/arch/arm/configs/pcm038_defconfig
@@ -0,0 +1,1008 @@
+#
+# Automatically generated make config: don't edit
+# Linux kernel version: 2.6.26-rc6
+# Fri Jun 20 16:38:36 2008
+#
+CONFIG_ARM=y
+CONFIG_SYS_SUPPORTS_APM_EMULATION=y
+CONFIG_GENERIC_GPIO=y
+CONFIG_GENERIC_TIME=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+CONFIG_MMU=y
+# CONFIG_NO_IOPORT is not set
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
+CONFIG_HARDIRQS_SW_RESEND=y
+CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+# CONFIG_ARCH_HAS_ILOG2_U32 is not set
+# CONFIG_ARCH_HAS_ILOG2_U64 is not set
+CONFIG_GENERIC_HWEIGHT=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_ARCH_SUPPORTS_AOUT=y
+CONFIG_ZONE_DMA=y
+CONFIG_ARCH_MTD_XIP=y
+CONFIG_VECTORS_BASE=0xffff0000
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+
+#
+# General setup
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_BROKEN_ON_SMP=y
+CONFIG_LOCK_KERNEL=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+CONFIG_LOCALVERSION=""
+CONFIG_LOCALVERSION_AUTO=y
+# CONFIG_SWAP is not set
+CONFIG_SYSVIPC=y
+CONFIG_SYSVIPC_SYSCTL=y
+CONFIG_POSIX_MQUEUE=y
+# CONFIG_BSD_PROCESS_ACCT is not set
+# CONFIG_TASKSTATS is not set
+# CONFIG_AUDIT is not set
+# CONFIG_IKCONFIG is not set
+CONFIG_LOG_BUF_SHIFT=14
+# CONFIG_CGROUPS is not set
+CONFIG_GROUP_SCHED=y
+CONFIG_FAIR_GROUP_SCHED=y
+CONFIG_RT_GROUP_SCHED=y
+CONFIG_USER_SCHED=y
+# CONFIG_CGROUP_SCHED is not set
+# CONFIG_SYSFS_DEPRECATED_V2 is not set
+# CONFIG_RELAY is not set
+# CONFIG_NAMESPACES is not set
+# CONFIG_BLK_DEV_INITRD is not set
+# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
+CONFIG_SYSCTL=y
+CONFIG_EMBEDDED=y
+CONFIG_UID16=y
+CONFIG_SYSCTL_SYSCALL=y
+CONFIG_SYSCTL_SYSCALL_CHECK=y
+CONFIG_KALLSYMS=y
+CONFIG_KALLSYMS_EXTRA_PASS=y
+CONFIG_HOTPLUG=y
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_ELF_CORE=y
+# CONFIG_COMPAT_BRK is not set
+CONFIG_BASE_FULL=y
+CONFIG_FUTEX=y
+CONFIG_ANON_INODES=y
+CONFIG_EPOLL=y
+CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
+CONFIG_EVENTFD=y
+CONFIG_SHMEM=y
+CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_SLAB=y
+# CONFIG_SLUB is not set
+# CONFIG_SLOB is not set
+CONFIG_PROFILING=y
+CONFIG_MARKERS=y
+CONFIG_OPROFILE=y
+CONFIG_HAVE_OPROFILE=y
+CONFIG_KPROBES=y
+CONFIG_KRETPROBES=y
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+# CONFIG_HAVE_DMA_ATTRS is not set
+# CONFIG_PROC_PAGE_MONITOR is not set
+CONFIG_SLABINFO=y
+CONFIG_RT_MUTEXES=y
+# CONFIG_TINY_SHMEM is not set
+CONFIG_BASE_SMALL=0
+CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
+CONFIG_MODULE_UNLOAD=y
+# CONFIG_MODULE_FORCE_UNLOAD is not set
+# CONFIG_MODVERSIONS is not set
+# CONFIG_MODULE_SRCVERSION_ALL is not set
+# CONFIG_KMOD is not set
+CONFIG_BLOCK=y
+# CONFIG_LBD is not set
+# CONFIG_BLK_DEV_IO_TRACE is not set
+# CONFIG_LSF is not set
+# CONFIG_BLK_DEV_BSG is not set
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+# CONFIG_IOSCHED_AS is not set
+# CONFIG_IOSCHED_DEADLINE is not set
+# CONFIG_IOSCHED_CFQ is not set
+# CONFIG_DEFAULT_AS is not set
+# CONFIG_DEFAULT_DEADLINE is not set
+# CONFIG_DEFAULT_CFQ is not set
+CONFIG_DEFAULT_NOOP=y
+CONFIG_DEFAULT_IOSCHED="noop"
+CONFIG_CLASSIC_RCU=y
+
+#
+# System Type
+#
+# CONFIG_ARCH_AAEC2000 is not set
+# CONFIG_ARCH_INTEGRATOR is not set
+# CONFIG_ARCH_REALVIEW is not set
+# CONFIG_ARCH_VERSATILE is not set
+# CONFIG_ARCH_AT91 is not set
+# CONFIG_ARCH_CLPS7500 is not set
+# CONFIG_ARCH_CLPS711X is not set
+# CONFIG_ARCH_CO285 is not set
+# CONFIG_ARCH_EBSA110 is not set
+# CONFIG_ARCH_EP93XX is not set
+# CONFIG_ARCH_FOOTBRIDGE is not set
+# CONFIG_ARCH_NETX is not set
+# CONFIG_ARCH_H720X is not set
+# CONFIG_ARCH_IMX is not set
+# CONFIG_ARCH_IOP13XX is not set
+# CONFIG_ARCH_IOP32X is not set
+# CONFIG_ARCH_IOP33X is not set
+# CONFIG_ARCH_IXP23XX is not set
+# CONFIG_ARCH_IXP2000 is not set
+# CONFIG_ARCH_IXP4XX is not set
+# CONFIG_ARCH_L7200 is not set
+# CONFIG_ARCH_KS8695 is not set
+# CONFIG_ARCH_NS9XXX is not set
+CONFIG_ARCH_MXC=y
+# CONFIG_ARCH_ORION5X is not set
+# CONFIG_ARCH_PNX4008 is not set
+# CONFIG_ARCH_PXA is not set
+# CONFIG_ARCH_RPC is not set
+# CONFIG_ARCH_SA1100 is not set
+# CONFIG_ARCH_S3C2410 is not set
+# CONFIG_ARCH_SHARK is not set
+# CONFIG_ARCH_LH7A40X is not set
+# CONFIG_ARCH_DAVINCI is not set
+# CONFIG_ARCH_OMAP is not set
+# CONFIG_ARCH_MSM7X00A is not set
+
+#
+# Boot options
+#
+
+#
+# Power management
+#
+
+#
+# Freescale MXC Implementations
+#
+CONFIG_ARCH_MX2=y
+# CONFIG_ARCH_MX3 is not set
+
+#
+# MX2 family CPU support
+#
+CONFIG_MACH_MX27=y
+
+#
+# MX2 Platforms
+#
+# CONFIG_MACH_MX27ADS is not set
+CONFIG_MACH_PCM038=y
+CONFIG_MACH_PCM970_BASEBOARD=y
+
+#
+# Processor Type
+#
+CONFIG_CPU_32=y
+CONFIG_CPU_ARM926T=y
+CONFIG_CPU_32v5=y
+CONFIG_CPU_ABRT_EV5TJ=y
+CONFIG_CPU_PABRT_NOIFAR=y
+CONFIG_CPU_CACHE_VIVT=y
+CONFIG_CPU_COPY_V4WB=y
+CONFIG_CPU_TLB_V4WBI=y
+CONFIG_CPU_CP15=y
+CONFIG_CPU_CP15_MMU=y
+
+#
+# Processor Features
+#
+CONFIG_ARM_THUMB=y
+# CONFIG_CPU_ICACHE_DISABLE is not set
+# CONFIG_CPU_DCACHE_DISABLE is not set
+# CONFIG_CPU_DCACHE_WRITETHROUGH is not set
+# CONFIG_CPU_CACHE_ROUND_ROBIN is not set
+# CONFIG_OUTER_CACHE is not set
+
+#
+# Bus support
+#
+# CONFIG_PCI_SYSCALL is not set
+# CONFIG_ARCH_SUPPORTS_MSI is not set
+# CONFIG_PCCARD is not set
+
+#
+# Kernel Features
+#
+CONFIG_TICK_ONESHOT=y
+CONFIG_NO_HZ=y
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
+CONFIG_PREEMPT=y
+CONFIG_HZ=100
+CONFIG_AEABI=y
+# CONFIG_OABI_COMPAT is not set
+# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+# CONFIG_SPARSEMEM_STATIC is not set
+# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
+CONFIG_PAGEFLAGS_EXTENDED=y
+CONFIG_SPLIT_PTLOCK_CPUS=4096
+# CONFIG_RESOURCES_64BIT is not set
+CONFIG_ZONE_DMA_FLAG=1
+CONFIG_BOUNCE=y
+CONFIG_VIRT_TO_BUS=y
+CONFIG_ALIGNMENT_TRAP=y
+
+#
+# Boot options
+#
+CONFIG_ZBOOT_ROM_TEXT=0x0
+CONFIG_ZBOOT_ROM_BSS=0x0
+CONFIG_CMDLINE=""
+# CONFIG_XIP_KERNEL is not set
+# CONFIG_KEXEC is not set
+
+#
+# Floating point emulation
+#
+
+#
+# At least one emulation must be selected
+#
+# CONFIG_VFP is not set
+
+#
+# Userspace binary formats
+#
+CONFIG_BINFMT_ELF=y
+# CONFIG_BINFMT_AOUT is not set
+# CONFIG_BINFMT_MISC is not set
+
+#
+# Power management options
+#
+# CONFIG_PM is not set
+CONFIG_ARCH_SUSPEND_POSSIBLE=y
+
+#
+# Networking
+#
+CONFIG_NET=y
+
+#
+# Networking options
+#
+CONFIG_PACKET=y
+CONFIG_PACKET_MMAP=y
+CONFIG_UNIX=y
+# CONFIG_NET_KEY is not set
+CONFIG_INET=y
+CONFIG_IP_MULTICAST=y
+# CONFIG_IP_ADVANCED_ROUTER is not set
+CONFIG_IP_FIB_HASH=y
+CONFIG_IP_PNP=y
+# CONFIG_IP_PNP_DHCP is not set
+# CONFIG_IP_PNP_BOOTP is not set
+# CONFIG_IP_PNP_RARP is not set
+# CONFIG_NET_IPIP is not set
+# CONFIG_NET_IPGRE is not set
+# CONFIG_IP_MROUTE is not set
+# CONFIG_ARPD is not set
+# CONFIG_SYN_COOKIES is not set
+# CONFIG_INET_AH is not set
+# CONFIG_INET_ESP is not set
+# CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_XFRM_TUNNEL is not set
+# CONFIG_INET_TUNNEL is not set
+# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
+# CONFIG_INET_XFRM_MODE_TUNNEL is not set
+# CONFIG_INET_XFRM_MODE_BEET is not set
+# CONFIG_INET_LRO is not set
+# CONFIG_INET_DIAG is not set
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_CUBIC=y
+CONFIG_DEFAULT_TCP_CONG="cubic"
+# CONFIG_TCP_MD5SIG is not set
+# CONFIG_IPV6 is not set
+# CONFIG_NETWORK_SECMARK is not set
+# CONFIG_NETFILTER is not set
+# CONFIG_IP_DCCP is not set
+# CONFIG_IP_SCTP is not set
+# CONFIG_TIPC is not set
+# CONFIG_ATM is not set
+# CONFIG_BRIDGE is not set
+# CONFIG_VLAN_8021Q is not set
+# CONFIG_DECNET is not set
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# CONFIG_ATALK is not set
+# CONFIG_X25 is not set
+# CONFIG_LAPB is not set
+# CONFIG_ECONET is not set
+# CONFIG_WAN_ROUTER is not set
+# CONFIG_NET_SCHED is not set
+
+#
+# Network testing
+#
+# CONFIG_NET_PKTGEN is not set
+# CONFIG_NET_TCPPROBE is not set
+# CONFIG_HAMRADIO is not set
+# CONFIG_CAN is not set
+# CONFIG_IRDA is not set
+# CONFIG_BT is not set
+# CONFIG_AF_RXRPC is not set
+
+#
+# Wireless
+#
+# CONFIG_CFG80211 is not set
+# CONFIG_WIRELESS_EXT is not set
+# CONFIG_MAC80211 is not set
+# CONFIG_IEEE80211 is not set
+# CONFIG_RFKILL is not set
+# CONFIG_NET_9P is not set
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+CONFIG_STANDALONE=y
+CONFIG_PREVENT_FIRMWARE_BUILD=y
+CONFIG_FW_LOADER=y
+# CONFIG_SYS_HYPERVISOR is not set
+# CONFIG_CONNECTOR is not set
+CONFIG_MTD=y
+# CONFIG_MTD_DEBUG is not set
+# CONFIG_MTD_CONCAT is not set
+CONFIG_MTD_PARTITIONS=y
+# CONFIG_MTD_REDBOOT_PARTS is not set
+CONFIG_MTD_CMDLINE_PARTS=y
+# CONFIG_MTD_AFS_PARTS is not set
+# CONFIG_MTD_AR7_PARTS is not set
+
+#
+# User Modules And Translation Layers
+#
+CONFIG_MTD_CHAR=y
+CONFIG_MTD_BLKDEVS=y
+CONFIG_MTD_BLOCK=y
+# CONFIG_FTL is not set
+# CONFIG_NFTL is not set
+# CONFIG_INFTL is not set
+# CONFIG_RFD_FTL is not set
+# CONFIG_SSFDC is not set
+# CONFIG_MTD_OOPS is not set
+
+#
+# RAM/ROM/Flash chip drivers
+#
+CONFIG_MTD_CFI=y
+# CONFIG_MTD_JEDECPROBE is not set
+CONFIG_MTD_GEN_PROBE=y
+CONFIG_MTD_CFI_ADV_OPTIONS=y
+CONFIG_MTD_CFI_NOSWAP=y
+# CONFIG_MTD_CFI_BE_BYTE_SWAP is not set
+# CONFIG_MTD_CFI_LE_BYTE_SWAP is not set
+CONFIG_MTD_CFI_GEOMETRY=y
+# CONFIG_MTD_MAP_BANK_WIDTH_1 is not set
+CONFIG_MTD_MAP_BANK_WIDTH_2=y
+# CONFIG_MTD_MAP_BANK_WIDTH_4 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
+CONFIG_MTD_CFI_I1=y
+# CONFIG_MTD_CFI_I2 is not set
+# CONFIG_MTD_CFI_I4 is not set
+# CONFIG_MTD_CFI_I8 is not set
+# CONFIG_MTD_OTP is not set
+CONFIG_MTD_CFI_INTELEXT=y
+# CONFIG_MTD_CFI_AMDSTD is not set
+# CONFIG_MTD_CFI_STAA is not set
+CONFIG_MTD_CFI_UTIL=y
+# CONFIG_MTD_RAM is not set
+# CONFIG_MTD_ROM is not set
+# CONFIG_MTD_ABSENT is not set
+# CONFIG_MTD_XIP is not set
+
+#
+# Mapping drivers for chip access
+#
+# CONFIG_MTD_COMPLEX_MAPPINGS is not set
+CONFIG_MTD_PHYSMAP=y
+CONFIG_MTD_PHYSMAP_START=0x00000000
+CONFIG_MTD_PHYSMAP_LEN=0x0
+CONFIG_MTD_PHYSMAP_BANKWIDTH=2
+# CONFIG_MTD_ARM_INTEGRATOR is not set
+# CONFIG_MTD_PLATRAM is not set
+
+#
+# Self-contained MTD device drivers
+#
+# CONFIG_MTD_DATAFLASH is not set
+# CONFIG_MTD_M25P80 is not set
+# CONFIG_MTD_SLRAM is not set
+# CONFIG_MTD_PHRAM is not set
+# CONFIG_MTD_MTDRAM is not set
+# CONFIG_MTD_BLOCK2MTD is not set
+
+#
+# Disk-On-Chip Device Drivers
+#
+# CONFIG_MTD_DOC2000 is not set
+# CONFIG_MTD_DOC2001 is not set
+# CONFIG_MTD_DOC2001PLUS is not set
+# CONFIG_MTD_NAND is not set
+# CONFIG_MTD_ONENAND is not set
+
+#
+# UBI - Unsorted block images
+#
+# CONFIG_MTD_UBI is not set
+# CONFIG_PARPORT is not set
+CONFIG_BLK_DEV=y
+# CONFIG_BLK_DEV_COW_COMMON is not set
+# CONFIG_BLK_DEV_LOOP is not set
+# CONFIG_BLK_DEV_NBD is not set
+# CONFIG_BLK_DEV_RAM is not set
+# CONFIG_CDROM_PKTCDVD is not set
+# CONFIG_ATA_OVER_ETH is not set
+# CONFIG_MISC_DEVICES is not set
+CONFIG_HAVE_IDE=y
+# CONFIG_IDE is not set
+
+#
+# SCSI device support
+#
+# CONFIG_RAID_ATTRS is not set
+# CONFIG_SCSI is not set
+# CONFIG_SCSI_DMA is not set
+# CONFIG_SCSI_NETLINK is not set
+# CONFIG_ATA is not set
+# CONFIG_MD is not set
+CONFIG_NETDEVICES=y
+# CONFIG_NETDEVICES_MULTIQUEUE is not set
+# CONFIG_DUMMY is not set
+# CONFIG_BONDING is not set
+# CONFIG_MACVLAN is not set
+# CONFIG_EQUALIZER is not set
+# CONFIG_TUN is not set
+# CONFIG_VETH is not set
+# CONFIG_PHYLIB is not set
+CONFIG_NET_ETHERNET=y
+# CONFIG_MII is not set
+# CONFIG_AX88796 is not set
+# CONFIG_SMC91X is not set
+# CONFIG_DM9000 is not set
+# CONFIG_ENC28J60 is not set
+# CONFIG_IBM_NEW_EMAC_ZMII is not set
+# CONFIG_IBM_NEW_EMAC_RGMII is not set
+# CONFIG_IBM_NEW_EMAC_TAH is not set
+# CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_B44 is not set
+CONFIG_FEC_OLD=y
+# CONFIG_NETDEV_1000 is not set
+# CONFIG_NETDEV_10000 is not set
+
+#
+# Wireless LAN
+#
+# CONFIG_WLAN_PRE80211 is not set
+# CONFIG_WLAN_80211 is not set
+# CONFIG_IWLWIFI_LEDS is not set
+# CONFIG_WAN is not set
+# CONFIG_PPP is not set
+# CONFIG_SLIP is not set
+# CONFIG_NETCONSOLE is not set
+# CONFIG_NETPOLL is not set
+# CONFIG_NET_POLL_CONTROLLER is not set
+# CONFIG_ISDN is not set
+
+#
+# Input device support
+#
+CONFIG_INPUT=y
+# CONFIG_INPUT_FF_MEMLESS is not set
+# CONFIG_INPUT_POLLDEV is not set
+
+#
+# Userland interfaces
+#
+# CONFIG_INPUT_MOUSEDEV is not set
+# CONFIG_INPUT_JOYDEV is not set
+CONFIG_INPUT_EVDEV=y
+# CONFIG_INPUT_EVBUG is not set
+
+#
+# Input Device Drivers
+#
+# CONFIG_INPUT_KEYBOARD is not set
+# CONFIG_INPUT_MOUSE is not set
+# CONFIG_INPUT_JOYSTICK is not set
+# CONFIG_INPUT_TABLET is not set
+CONFIG_INPUT_TOUCHSCREEN=y
+# CONFIG_TOUCHSCREEN_ADS7846 is not set
+# CONFIG_TOUCHSCREEN_FUJITSU is not set
+# CONFIG_TOUCHSCREEN_GUNZE is not set
+# CONFIG_TOUCHSCREEN_ELO is not set
+# CONFIG_TOUCHSCREEN_MTOUCH is not set
+# CONFIG_TOUCHSCREEN_MK712 is not set
+# CONFIG_TOUCHSCREEN_PENMOUNT is not set
+# CONFIG_TOUCHSCREEN_TOUCHRIGHT is not set
+# CONFIG_TOUCHSCREEN_TOUCHWIN is not set
+# CONFIG_TOUCHSCREEN_UCB1400 is not set
+# CONFIG_INPUT_MISC is not set
+
+#
+# Hardware I/O ports
+#
+# CONFIG_SERIO is not set
+# CONFIG_GAMEPORT is not set
+
+#
+# Character devices
+#
+CONFIG_VT=y
+CONFIG_VT_CONSOLE=y
+CONFIG_HW_CONSOLE=y
+# CONFIG_VT_HW_CONSOLE_BINDING is not set
+CONFIG_DEVKMEM=y
+# CONFIG_SERIAL_NONSTANDARD is not set
+
+#
+# Serial drivers
+#
+# CONFIG_SERIAL_8250 is not set
+
+#
+# Non-8250 serial port support
+#
+CONFIG_SERIAL_IMX=y
+CONFIG_SERIAL_IMX_CONSOLE=y
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+CONFIG_UNIX98_PTYS=y
+# CONFIG_LEGACY_PTYS is not set
+# CONFIG_IPMI_HANDLER is not set
+# CONFIG_HW_RANDOM is not set
+# CONFIG_NVRAM is not set
+# CONFIG_R3964 is not set
+# CONFIG_RAW_DRIVER is not set
+# CONFIG_TCG_TPM is not set
+CONFIG_I2C=y
+CONFIG_I2C_BOARDINFO=y
+# CONFIG_I2C_CHARDEV is not set
+
+#
+# I2C Hardware Bus support
+#
+# CONFIG_I2C_GPIO is not set
+# CONFIG_I2C_OCORES is not set
+# CONFIG_I2C_PARPORT_LIGHT is not set
+# CONFIG_I2C_SIMTEC is not set
+# CONFIG_I2C_TAOS_EVM is not set
+# CONFIG_I2C_STUB is not set
+# CONFIG_I2C_PCA_PLATFORM is not set
+
+#
+# Miscellaneous I2C Chip support
+#
+# CONFIG_DS1682 is not set
+# CONFIG_SENSORS_EEPROM is not set
+# CONFIG_SENSORS_PCF8574 is not set
+# CONFIG_PCF8575 is not set
+# CONFIG_SENSORS_PCF8591 is not set
+# CONFIG_TPS65010 is not set
+# CONFIG_SENSORS_MAX6875 is not set
+# CONFIG_SENSORS_TSL2550 is not set
+# CONFIG_I2C_DEBUG_CORE is not set
+# CONFIG_I2C_DEBUG_ALGO is not set
+# CONFIG_I2C_DEBUG_BUS is not set
+# CONFIG_I2C_DEBUG_CHIP is not set
+CONFIG_SPI=y
+CONFIG_SPI_MASTER=y
+
+#
+# SPI Master Controller Drivers
+#
+CONFIG_SPI_BITBANG=y
+
+#
+# SPI Protocol Masters
+#
+# CONFIG_SPI_AT25 is not set
+# CONFIG_SPI_SPIDEV is not set
+# CONFIG_SPI_TLE62X0 is not set
+CONFIG_HAVE_GPIO_LIB=y
+
+#
+# GPIO Support
+#
+
+#
+# I2C GPIO expanders:
+#
+# CONFIG_GPIO_PCA953X is not set
+# CONFIG_GPIO_PCF857X is not set
+
+#
+# SPI GPIO expanders:
+#
+# CONFIG_GPIO_MCP23S08 is not set
+# CONFIG_W1 is not set
+# CONFIG_POWER_SUPPLY is not set
+# CONFIG_HWMON is not set
+# CONFIG_WATCHDOG is not set
+
+#
+# Sonics Silicon Backplane
+#
+CONFIG_SSB_POSSIBLE=y
+# CONFIG_SSB is not set
+
+#
+# Multifunction device drivers
+#
+# CONFIG_MFD_SM501 is not set
+# CONFIG_MFD_ASIC3 is not set
+# CONFIG_HTC_EGPIO is not set
+# CONFIG_HTC_PASIC3 is not set
+
+#
+# Multimedia devices
+#
+
+#
+# Multimedia core support
+#
+CONFIG_VIDEO_DEV=y
+CONFIG_VIDEO_V4L2_COMMON=y
+CONFIG_VIDEO_ALLOW_V4L1=y
+CONFIG_VIDEO_V4L1_COMPAT=y
+# CONFIG_DVB_CORE is not set
+CONFIG_VIDEO_MEDIA=y
+
+#
+# Multimedia drivers
+#
+# CONFIG_MEDIA_ATTACH is not set
+CONFIG_MEDIA_TUNER=y
+# CONFIG_MEDIA_TUNER_CUSTOMIZE is not set
+CONFIG_MEDIA_TUNER_SIMPLE=y
+CONFIG_MEDIA_TUNER_TDA8290=y
+CONFIG_MEDIA_TUNER_TDA9887=y
+CONFIG_MEDIA_TUNER_TEA5761=y
+CONFIG_MEDIA_TUNER_TEA5767=y
+CONFIG_MEDIA_TUNER_MT20XX=y
+CONFIG_MEDIA_TUNER_XC2028=y
+CONFIG_MEDIA_TUNER_XC5000=y
+CONFIG_VIDEO_V4L2=y
+CONFIG_VIDEO_V4L1=y
+CONFIG_VIDEO_CAPTURE_DRIVERS=y
+# CONFIG_VIDEO_ADV_DEBUG is not set
+CONFIG_VIDEO_HELPER_CHIPS_AUTO=y
+# CONFIG_VIDEO_VIVI is not set
+# CONFIG_VIDEO_CPIA is not set
+# CONFIG_VIDEO_SAA5246A is not set
+# CONFIG_VIDEO_SAA5249 is not set
+# CONFIG_TUNER_3036 is not set
+# CONFIG_SOC_CAMERA is not set
+# CONFIG_RADIO_ADAPTERS is not set
+# CONFIG_DAB is not set
+
+#
+# Graphics support
+#
+# CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
+CONFIG_FB=y
+# CONFIG_FIRMWARE_EDID is not set
+# CONFIG_FB_DDC is not set
+# CONFIG_FB_CFB_FILLRECT is not set
+# CONFIG_FB_CFB_COPYAREA is not set
+# CONFIG_FB_CFB_IMAGEBLIT is not set
+# CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set
+# CONFIG_FB_SYS_FILLRECT is not set
+# CONFIG_FB_SYS_COPYAREA is not set
+# CONFIG_FB_SYS_IMAGEBLIT is not set
+# CONFIG_FB_FOREIGN_ENDIAN is not set
+# CONFIG_FB_SYS_FOPS is not set
+# CONFIG_FB_SVGALIB is not set
+# CONFIG_FB_MACMODES is not set
+# CONFIG_FB_BACKLIGHT is not set
+# CONFIG_FB_MODE_HELPERS is not set
+# CONFIG_FB_TILEBLITTING is not set
+
+#
+# Frame buffer hardware drivers
+#
+# CONFIG_FB_S1D13XXX is not set
+# CONFIG_FB_VIRTUAL is not set
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+
+#
+# Display device support
+#
+# CONFIG_DISPLAY_SUPPORT is not set
+
+#
+# Console display driver support
+#
+# CONFIG_VGA_CONSOLE is not set
+CONFIG_DUMMY_CONSOLE=y
+CONFIG_FRAMEBUFFER_CONSOLE=y
+# CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY is not set
+# CONFIG_FRAMEBUFFER_CONSOLE_ROTATION is not set
+CONFIG_FONTS=y
+CONFIG_FONT_8x8=y
+# CONFIG_FONT_8x16 is not set
+# CONFIG_FONT_6x11 is not set
+# CONFIG_FONT_7x14 is not set
+# CONFIG_FONT_PEARL_8x8 is not set
+# CONFIG_FONT_ACORN_8x8 is not set
+# CONFIG_FONT_MINI_4x6 is not set
+# CONFIG_FONT_SUN8x16 is not set
+# CONFIG_FONT_SUN12x22 is not set
+# CONFIG_FONT_10x18 is not set
+# CONFIG_LOGO is not set
+
+#
+# Sound
+#
+# CONFIG_SOUND is not set
+# CONFIG_HID_SUPPORT is not set
+# CONFIG_USB_SUPPORT is not set
+# CONFIG_MMC is not set
+# CONFIG_NEW_LEDS is not set
+CONFIG_RTC_LIB=y
+CONFIG_RTC_CLASS=y
+CONFIG_RTC_HCTOSYS=y
+CONFIG_RTC_HCTOSYS_DEVICE="rtc0"
+# CONFIG_RTC_DEBUG is not set
+
+#
+# RTC interfaces
+#
+CONFIG_RTC_INTF_SYSFS=y
+CONFIG_RTC_INTF_PROC=y
+CONFIG_RTC_INTF_DEV=y
+# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set
+# CONFIG_RTC_DRV_TEST is not set
+
+#
+# I2C RTC drivers
+#
+# CONFIG_RTC_DRV_DS1307 is not set
+# CONFIG_RTC_DRV_DS1374 is not set
+# CONFIG_RTC_DRV_DS1672 is not set
+# CONFIG_RTC_DRV_MAX6900 is not set
+# CONFIG_RTC_DRV_RS5C372 is not set
+# CONFIG_RTC_DRV_ISL1208 is not set
+# CONFIG_RTC_DRV_X1205 is not set
+CONFIG_RTC_DRV_PCF8563=y
+# CONFIG_RTC_DRV_PCF8583 is not set
+# CONFIG_RTC_DRV_M41T80 is not set
+# CONFIG_RTC_DRV_S35390A is not set
+# CONFIG_RTC_DRV_FM3130 is not set
+
+#
+# SPI RTC drivers
+#
+# CONFIG_RTC_DRV_MAX6902 is not set
+# CONFIG_RTC_DRV_R9701 is not set
+# CONFIG_RTC_DRV_RS5C348 is not set
+
+#
+# Platform RTC drivers
+#
+# CONFIG_RTC_DRV_CMOS is not set
+# CONFIG_RTC_DRV_DS1511 is not set
+# CONFIG_RTC_DRV_DS1553 is not set
+# CONFIG_RTC_DRV_DS1742 is not set
+# CONFIG_RTC_DRV_STK17TA8 is not set
+# CONFIG_RTC_DRV_M48T86 is not set
+# CONFIG_RTC_DRV_M48T59 is not set
+# CONFIG_RTC_DRV_V3020 is not set
+
+#
+# on-CPU RTC drivers
+#
+# CONFIG_UIO is not set
+
+#
+# File systems
+#
+# CONFIG_EXT2_FS is not set
+# CONFIG_EXT3_FS is not set
+# CONFIG_EXT4DEV_FS is not set
+# CONFIG_REISERFS_FS is not set
+# CONFIG_JFS_FS is not set
+# CONFIG_FS_POSIX_ACL is not set
+# CONFIG_XFS_FS is not set
+# CONFIG_OCFS2_FS is not set
+# CONFIG_DNOTIFY is not set
+# CONFIG_INOTIFY is not set
+# CONFIG_QUOTA is not set
+# CONFIG_AUTOFS_FS is not set
+# CONFIG_AUTOFS4_FS is not set
+# CONFIG_FUSE_FS is not set
+
+#
+# CD-ROM/DVD Filesystems
+#
+# CONFIG_ISO9660_FS is not set
+# CONFIG_UDF_FS is not set
+
+#
+# DOS/FAT/NT Filesystems
+#
+# CONFIG_MSDOS_FS is not set
+# CONFIG_VFAT_FS is not set
+# CONFIG_NTFS_FS is not set
+
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+CONFIG_PROC_SYSCTL=y
+CONFIG_SYSFS=y
+CONFIG_TMPFS=y
+# CONFIG_TMPFS_POSIX_ACL is not set
+# CONFIG_HUGETLB_PAGE is not set
+# CONFIG_CONFIGFS_FS is not set
+
+#
+# Miscellaneous filesystems
+#
+# CONFIG_ADFS_FS is not set
+# CONFIG_AFFS_FS is not set
+# CONFIG_HFS_FS is not set
+# CONFIG_HFSPLUS_FS is not set
+# CONFIG_BEFS_FS is not set
+# CONFIG_BFS_FS is not set
+# CONFIG_EFS_FS is not set
+CONFIG_JFFS2_FS=y
+CONFIG_JFFS2_FS_DEBUG=0
+CONFIG_JFFS2_FS_WRITEBUFFER=y
+# CONFIG_JFFS2_FS_WBUF_VERIFY is not set
+# CONFIG_JFFS2_SUMMARY is not set
+# CONFIG_JFFS2_FS_XATTR is not set
+# CONFIG_JFFS2_COMPRESSION_OPTIONS is not set
+CONFIG_JFFS2_ZLIB=y
+# CONFIG_JFFS2_LZO is not set
+CONFIG_JFFS2_RTIME=y
+# CONFIG_JFFS2_RUBIN is not set
+# CONFIG_CRAMFS is not set
+# CONFIG_VXFS_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_HPFS_FS is not set
+# CONFIG_QNX4FS_FS is not set
+# CONFIG_ROMFS_FS is not set
+# CONFIG_SYSV_FS is not set
+# CONFIG_UFS_FS is not set
+CONFIG_NETWORK_FILESYSTEMS=y
+CONFIG_NFS_FS=y
+CONFIG_NFS_V3=y
+# CONFIG_NFS_V3_ACL is not set
+# CONFIG_NFS_V4 is not set
+# CONFIG_NFSD is not set
+CONFIG_ROOT_NFS=y
+CONFIG_LOCKD=y
+CONFIG_LOCKD_V4=y
+CONFIG_NFS_COMMON=y
+CONFIG_SUNRPC=y
+# CONFIG_SUNRPC_BIND34 is not set
+# CONFIG_RPCSEC_GSS_KRB5 is not set
+# CONFIG_RPCSEC_GSS_SPKM3 is not set
+# CONFIG_SMB_FS is not set
+# CONFIG_CIFS is not set
+# CONFIG_NCP_FS is not set
+# CONFIG_CODA_FS is not set
+# CONFIG_AFS_FS is not set
+
+#
+# Partition Types
+#
+# CONFIG_PARTITION_ADVANCED is not set
+CONFIG_MSDOS_PARTITION=y
+CONFIG_NLS=y
+CONFIG_NLS_DEFAULT="iso8859-1"
+CONFIG_NLS_CODEPAGE_437=m
+# CONFIG_NLS_CODEPAGE_737 is not set
+# CONFIG_NLS_CODEPAGE_775 is not set
+CONFIG_NLS_CODEPAGE_850=m
+# CONFIG_NLS_CODEPAGE_852 is not set
+# CONFIG_NLS_CODEPAGE_855 is not set
+# CONFIG_NLS_CODEPAGE_857 is not set
+# CONFIG_NLS_CODEPAGE_860 is not set
+# CONFIG_NLS_CODEPAGE_861 is not set
+# CONFIG_NLS_CODEPAGE_862 is not set
+# CONFIG_NLS_CODEPAGE_863 is not set
+# CONFIG_NLS_CODEPAGE_864 is not set
+# CONFIG_NLS_CODEPAGE_865 is not set
+# CONFIG_NLS_CODEPAGE_866 is not set
+# CONFIG_NLS_CODEPAGE_869 is not set
+# CONFIG_NLS_CODEPAGE_936 is not set
+# CONFIG_NLS_CODEPAGE_950 is not set
+# CONFIG_NLS_CODEPAGE_932 is not set
+# CONFIG_NLS_CODEPAGE_949 is not set
+# CONFIG_NLS_CODEPAGE_874 is not set
+# CONFIG_NLS_ISO8859_8 is not set
+# CONFIG_NLS_CODEPAGE_1250 is not set
+# CONFIG_NLS_CODEPAGE_1251 is not set
+# CONFIG_NLS_ASCII is not set
+CONFIG_NLS_ISO8859_1=y
+# CONFIG_NLS_ISO8859_2 is not set
+# CONFIG_NLS_ISO8859_3 is not set
+# CONFIG_NLS_ISO8859_4 is not set
+# CONFIG_NLS_ISO8859_5 is not set
+# CONFIG_NLS_ISO8859_6 is not set
+# CONFIG_NLS_ISO8859_7 is not set
+# CONFIG_NLS_ISO8859_9 is not set
+# CONFIG_NLS_ISO8859_13 is not set
+# CONFIG_NLS_ISO8859_14 is not set
+CONFIG_NLS_ISO8859_15=m
+# CONFIG_NLS_KOI8_R is not set
+# CONFIG_NLS_KOI8_U is not set
+# CONFIG_NLS_UTF8 is not set
+# CONFIG_DLM is not set
+
+#
+# Kernel hacking
+#
+# CONFIG_PRINTK_TIME is not set
+CONFIG_ENABLE_WARN_DEPRECATED=y
+CONFIG_ENABLE_MUST_CHECK=y
+CONFIG_FRAME_WARN=1024
+# CONFIG_MAGIC_SYSRQ is not set
+# CONFIG_UNUSED_SYMBOLS is not set
+# CONFIG_DEBUG_FS is not set
+# CONFIG_HEADERS_CHECK is not set
+# CONFIG_DEBUG_KERNEL is not set
+# CONFIG_DEBUG_BUGVERBOSE is not set
+CONFIG_FRAME_POINTER=y
+# CONFIG_SAMPLES is not set
+# CONFIG_DEBUG_USER is not set
+
+#
+# Security options
+#
+# CONFIG_KEYS is not set
+# CONFIG_SECURITY is not set
+# CONFIG_SECURITY_FILE_CAPABILITIES is not set
+# CONFIG_CRYPTO is not set
+
+#
+# Library routines
+#
+CONFIG_BITREVERSE=y
+# CONFIG_GENERIC_FIND_FIRST_BIT is not set
+# CONFIG_GENERIC_FIND_NEXT_BIT is not set
+# CONFIG_CRC_CCITT is not set
+# CONFIG_CRC16 is not set
+# CONFIG_CRC_ITU_T is not set
+CONFIG_CRC32=y
+# CONFIG_CRC7 is not set
+# CONFIG_LIBCRC32C is not set
+CONFIG_ZLIB_INFLATE=y
+CONFIG_ZLIB_DEFLATE=y
+CONFIG_PLIST=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
+CONFIG_HAS_DMA=y
diff --git a/arch/arm/configs/picotux200_defconfig b/arch/arm/configs/picotux200_defconfig
index 95a22f51280..14826f0dabd 100644
--- a/arch/arm/configs/picotux200_defconfig
+++ b/arch/arm/configs/picotux200_defconfig
@@ -201,7 +201,6 @@ CONFIG_ARM_THUMB=y
# Kernel Features
#
# CONFIG_PREEMPT is not set
-CONFIG_NO_IDLE_HZ=y
CONFIG_HZ=100
CONFIG_AEABI=y
CONFIG_OABI_COMPAT=y
diff --git a/arch/arm/configs/pnx4008_defconfig b/arch/arm/configs/pnx4008_defconfig
index b5e11aa2e29..811b8f60d19 100644
--- a/arch/arm/configs/pnx4008_defconfig
+++ b/arch/arm/configs/pnx4008_defconfig
@@ -151,7 +151,6 @@ CONFIG_ARM_THUMB=y
# Kernel Features
#
CONFIG_PREEMPT=y
-# CONFIG_NO_IDLE_HZ is not set
CONFIG_HZ=100
# CONFIG_AEABI is not set
# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
diff --git a/arch/arm/configs/qil-a9260_defconfig b/arch/arm/configs/qil-a9260_defconfig
new file mode 100644
index 00000000000..ef903bed061
--- /dev/null
+++ b/arch/arm/configs/qil-a9260_defconfig
@@ -0,0 +1,1256 @@
+#
+# Automatically generated make config: don't edit
+# Linux kernel version: 2.6.24
+# Tue Apr 15 12:28:38 2008
+#
+CONFIG_ARM=y
+CONFIG_SYS_SUPPORTS_APM_EMULATION=y
+CONFIG_GENERIC_GPIO=y
+CONFIG_GENERIC_TIME=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+CONFIG_MMU=y
+# CONFIG_NO_IOPORT is not set
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
+CONFIG_HARDIRQS_SW_RESEND=y
+CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+# CONFIG_ARCH_HAS_ILOG2_U32 is not set
+# CONFIG_ARCH_HAS_ILOG2_U64 is not set
+CONFIG_GENERIC_HWEIGHT=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_ZONE_DMA=y
+CONFIG_VECTORS_BASE=0xffff0000
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+
+#
+# General setup
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_BROKEN_ON_SMP=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+CONFIG_LOCALVERSION=""
+# CONFIG_LOCALVERSION_AUTO is not set
+# CONFIG_SWAP is not set
+CONFIG_SYSVIPC=y
+CONFIG_SYSVIPC_SYSCTL=y
+# CONFIG_POSIX_MQUEUE is not set
+# CONFIG_BSD_PROCESS_ACCT is not set
+# CONFIG_TASKSTATS is not set
+# CONFIG_USER_NS is not set
+# CONFIG_PID_NS is not set
+# CONFIG_AUDIT is not set
+# CONFIG_IKCONFIG is not set
+CONFIG_LOG_BUF_SHIFT=14
+# CONFIG_CGROUPS is not set
+CONFIG_FAIR_GROUP_SCHED=y
+CONFIG_FAIR_USER_SCHED=y
+# CONFIG_FAIR_CGROUP_SCHED is not set
+# CONFIG_SYSFS_DEPRECATED is not set
+# CONFIG_RELAY is not set
+# CONFIG_BLK_DEV_INITRD is not set
+# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
+CONFIG_SYSCTL=y
+# CONFIG_EMBEDDED is not set
+CONFIG_UID16=y
+CONFIG_SYSCTL_SYSCALL=y
+CONFIG_KALLSYMS=y
+# CONFIG_KALLSYMS_ALL is not set
+# CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_HOTPLUG=y
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_ELF_CORE=y
+CONFIG_BASE_FULL=y
+CONFIG_FUTEX=y
+CONFIG_ANON_INODES=y
+CONFIG_EPOLL=y
+CONFIG_SIGNALFD=y
+CONFIG_EVENTFD=y
+CONFIG_SHMEM=y
+CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_SLAB=y
+# CONFIG_SLUB is not set
+# CONFIG_SLOB is not set
+CONFIG_SLABINFO=y
+CONFIG_RT_MUTEXES=y
+# CONFIG_TINY_SHMEM is not set
+CONFIG_BASE_SMALL=0
+CONFIG_MODULES=y
+CONFIG_MODULE_UNLOAD=y
+# CONFIG_MODULE_FORCE_UNLOAD is not set
+# CONFIG_MODVERSIONS is not set
+# CONFIG_MODULE_SRCVERSION_ALL is not set
+CONFIG_KMOD=y
+CONFIG_BLOCK=y
+# CONFIG_LBD is not set
+# CONFIG_BLK_DEV_IO_TRACE is not set
+# CONFIG_LSF is not set
+# CONFIG_BLK_DEV_BSG is not set
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+CONFIG_IOSCHED_AS=y
+# CONFIG_IOSCHED_DEADLINE is not set
+# CONFIG_IOSCHED_CFQ is not set
+CONFIG_DEFAULT_AS=y
+# CONFIG_DEFAULT_DEADLINE is not set
+# CONFIG_DEFAULT_CFQ is not set
+# CONFIG_DEFAULT_NOOP is not set
+CONFIG_DEFAULT_IOSCHED="anticipatory"
+
+#
+# System Type
+#
+# CONFIG_ARCH_AAEC2000 is not set
+# CONFIG_ARCH_INTEGRATOR is not set
+# CONFIG_ARCH_REALVIEW is not set
+# CONFIG_ARCH_VERSATILE is not set
+CONFIG_ARCH_AT91=y
+# CONFIG_ARCH_CLPS7500 is not set
+# CONFIG_ARCH_CLPS711X is not set
+# CONFIG_ARCH_CO285 is not set
+# CONFIG_ARCH_EBSA110 is not set
+# CONFIG_ARCH_EP93XX is not set
+# CONFIG_ARCH_FOOTBRIDGE is not set
+# CONFIG_ARCH_NETX is not set
+# CONFIG_ARCH_H720X is not set
+# CONFIG_ARCH_IMX is not set
+# CONFIG_ARCH_IOP13XX is not set
+# CONFIG_ARCH_IOP32X is not set
+# CONFIG_ARCH_IOP33X is not set
+# CONFIG_ARCH_IXP23XX is not set
+# CONFIG_ARCH_IXP2000 is not set
+# CONFIG_ARCH_IXP4XX is not set
+# CONFIG_ARCH_L7200 is not set
+# CONFIG_ARCH_KS8695 is not set
+# CONFIG_ARCH_NS9XXX is not set
+# CONFIG_ARCH_MXC is not set
+# CONFIG_ARCH_PNX4008 is not set
+# CONFIG_ARCH_PXA is not set
+# CONFIG_ARCH_RPC is not set
+# CONFIG_ARCH_SA1100 is not set
+# CONFIG_ARCH_S3C2410 is not set
+# CONFIG_ARCH_SHARK is not set
+# CONFIG_ARCH_LH7A40X is not set
+# CONFIG_ARCH_DAVINCI is not set
+# CONFIG_ARCH_OMAP is not set
+
+#
+# Boot options
+#
+
+#
+# Power management
+#
+
+#
+# Atmel AT91 System-on-Chip
+#
+# CONFIG_ARCH_AT91RM9200 is not set
+CONFIG_ARCH_AT91SAM9260=y
+# CONFIG_ARCH_AT91SAM9261 is not set
+# CONFIG_ARCH_AT91SAM9263 is not set
+# CONFIG_ARCH_AT91SAM9RL is not set
+# CONFIG_ARCH_AT91CAP9 is not set
+# CONFIG_ARCH_AT91X40 is not set
+CONFIG_AT91_PMC_UNIT=y
+
+#
+# AT91SAM9260 Variants
+#
+# CONFIG_ARCH_AT91SAM9260_SAM9XE is not set
+
+#
+# AT91SAM9260 / AT91SAM9XE Board Type
+#
+# CONFIG_MACH_AT91SAM9260EK is not set
+# CONFIG_MACH_CAM60 is not set
+# CONFIG_MACH_SAM9_L9260 is not set
+# CONFIG_MACH_USB_A9260 is not set
+CONFIG_MACH_QIL_A9260=y
+
+#
+# AT91 Board Options
+#
+
+#
+# AT91 Feature Selections
+#
+# CONFIG_AT91_PROGRAMMABLE_CLOCKS is not set
+CONFIG_AT91_SLOW_CLOCK=y
+CONFIG_AT91_TIMER_HZ=100
+# CONFIG_AT91_EARLY_DBGU is not set
+CONFIG_AT91_EARLY_USART0=y
+# CONFIG_AT91_EARLY_USART1 is not set
+# CONFIG_AT91_EARLY_USART2 is not set
+# CONFIG_AT91_EARLY_USART3 is not set
+# CONFIG_AT91_EARLY_USART4 is not set
+# CONFIG_AT91_EARLY_USART5 is not set
+
+#
+# Processor Type
+#
+CONFIG_CPU_32=y
+CONFIG_CPU_ARM926T=y
+CONFIG_CPU_32v5=y
+CONFIG_CPU_ABRT_EV5TJ=y
+CONFIG_CPU_CACHE_VIVT=y
+CONFIG_CPU_COPY_V4WB=y
+CONFIG_CPU_TLB_V4WBI=y
+CONFIG_CPU_CP15=y
+CONFIG_CPU_CP15_MMU=y
+
+#
+# Processor Features
+#
+# CONFIG_ARM_THUMB is not set
+# CONFIG_CPU_ICACHE_DISABLE is not set
+# CONFIG_CPU_DCACHE_DISABLE is not set
+# CONFIG_CPU_DCACHE_WRITETHROUGH is not set
+# CONFIG_CPU_CACHE_ROUND_ROBIN is not set
+# CONFIG_OUTER_CACHE is not set
+
+#
+# Bus support
+#
+# CONFIG_PCI_SYSCALL is not set
+# CONFIG_ARCH_SUPPORTS_MSI is not set
+# CONFIG_PCCARD is not set
+
+#
+# Kernel Features
+#
+# CONFIG_TICK_ONESHOT is not set
+# CONFIG_NO_HZ is not set
+# CONFIG_HIGH_RES_TIMERS is not set
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
+# CONFIG_PREEMPT is not set
+CONFIG_HZ=100
+CONFIG_AEABI=y
+CONFIG_OABI_COMPAT=y
+# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+# CONFIG_SPARSEMEM_STATIC is not set
+# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
+CONFIG_SPLIT_PTLOCK_CPUS=4096
+# CONFIG_RESOURCES_64BIT is not set
+CONFIG_ZONE_DMA_FLAG=1
+CONFIG_BOUNCE=y
+CONFIG_VIRT_TO_BUS=y
+# CONFIG_LEDS is not set
+CONFIG_ALIGNMENT_TRAP=y
+
+#
+# Boot options
+#
+CONFIG_ZBOOT_ROM_TEXT=0x0
+CONFIG_ZBOOT_ROM_BSS=0x0
+CONFIG_CMDLINE="mem=64M console=ttyS1,115200"
+# CONFIG_XIP_KERNEL is not set
+# CONFIG_KEXEC is not set
+
+#
+# Floating point emulation
+#
+
+#
+# At least one emulation must be selected
+#
+CONFIG_FPE_NWFPE=y
+# CONFIG_FPE_NWFPE_XP is not set
+# CONFIG_FPE_FASTFPE is not set
+# CONFIG_VFP is not set
+
+#
+# Userspace binary formats
+#
+CONFIG_BINFMT_ELF=y
+# CONFIG_BINFMT_AOUT is not set
+# CONFIG_BINFMT_MISC is not set
+
+#
+# Power management options
+#
+CONFIG_PM=y
+# CONFIG_PM_LEGACY is not set
+# CONFIG_PM_DEBUG is not set
+CONFIG_PM_SLEEP=y
+CONFIG_SUSPEND_UP_POSSIBLE=y
+CONFIG_SUSPEND=y
+# CONFIG_APM_EMULATION is not set
+
+#
+# Networking
+#
+CONFIG_NET=y
+
+#
+# Networking options
+#
+CONFIG_PACKET=y
+# CONFIG_PACKET_MMAP is not set
+CONFIG_UNIX=y
+# CONFIG_NET_KEY is not set
+CONFIG_INET=y
+CONFIG_IP_MULTICAST=y
+CONFIG_IP_ADVANCED_ROUTER=y
+CONFIG_ASK_IP_FIB_HASH=y
+# CONFIG_IP_FIB_TRIE is not set
+CONFIG_IP_FIB_HASH=y
+# CONFIG_IP_MULTIPLE_TABLES is not set
+# CONFIG_IP_ROUTE_MULTIPATH is not set
+CONFIG_IP_ROUTE_VERBOSE=y
+CONFIG_IP_PNP=y
+# CONFIG_IP_PNP_DHCP is not set
+CONFIG_IP_PNP_BOOTP=y
+CONFIG_IP_PNP_RARP=y
+# CONFIG_NET_IPIP is not set
+# CONFIG_NET_IPGRE is not set
+CONFIG_IP_MROUTE=y
+CONFIG_IP_PIMSM_V1=y
+CONFIG_IP_PIMSM_V2=y
+# CONFIG_ARPD is not set
+# CONFIG_SYN_COOKIES is not set
+# CONFIG_INET_AH is not set
+# CONFIG_INET_ESP is not set
+# CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_XFRM_TUNNEL is not set
+# CONFIG_INET_TUNNEL is not set
+# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
+# CONFIG_INET_XFRM_MODE_TUNNEL is not set
+# CONFIG_INET_XFRM_MODE_BEET is not set
+# CONFIG_INET_LRO is not set
+# CONFIG_INET_DIAG is not set
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_CUBIC=y
+CONFIG_DEFAULT_TCP_CONG="cubic"
+# CONFIG_TCP_MD5SIG is not set
+# CONFIG_IPV6 is not set
+# CONFIG_INET6_XFRM_TUNNEL is not set
+# CONFIG_INET6_TUNNEL is not set
+# CONFIG_NETWORK_SECMARK is not set
+# CONFIG_NETFILTER is not set
+# CONFIG_IP_DCCP is not set
+# CONFIG_IP_SCTP is not set
+# CONFIG_TIPC is not set
+# CONFIG_ATM is not set
+# CONFIG_BRIDGE is not set
+# CONFIG_VLAN_8021Q is not set
+# CONFIG_DECNET is not set
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# CONFIG_ATALK is not set
+# CONFIG_X25 is not set
+# CONFIG_LAPB is not set
+# CONFIG_ECONET is not set
+# CONFIG_WAN_ROUTER is not set
+# CONFIG_NET_SCHED is not set
+
+#
+# Network testing
+#
+# CONFIG_NET_PKTGEN is not set
+# CONFIG_HAMRADIO is not set
+# CONFIG_IRDA is not set
+# CONFIG_BT is not set
+# CONFIG_AF_RXRPC is not set
+
+#
+# Wireless
+#
+# CONFIG_CFG80211 is not set
+# CONFIG_WIRELESS_EXT is not set
+# CONFIG_MAC80211 is not set
+# CONFIG_IEEE80211 is not set
+# CONFIG_RFKILL is not set
+# CONFIG_NET_9P is not set
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+CONFIG_STANDALONE=y
+CONFIG_PREVENT_FIRMWARE_BUILD=y
+# CONFIG_FW_LOADER is not set
+# CONFIG_DEBUG_DRIVER is not set
+# CONFIG_DEBUG_DEVRES is not set
+# CONFIG_SYS_HYPERVISOR is not set
+# CONFIG_CONNECTOR is not set
+CONFIG_MTD=y
+# CONFIG_MTD_DEBUG is not set
+# CONFIG_MTD_CONCAT is not set
+CONFIG_MTD_PARTITIONS=y
+# CONFIG_MTD_REDBOOT_PARTS is not set
+CONFIG_MTD_CMDLINE_PARTS=y
+# CONFIG_MTD_AFS_PARTS is not set
+
+#
+# User Modules And Translation Layers
+#
+CONFIG_MTD_CHAR=y
+CONFIG_MTD_BLKDEVS=y
+CONFIG_MTD_BLOCK=y
+# CONFIG_FTL is not set
+# CONFIG_NFTL is not set
+# CONFIG_INFTL is not set
+# CONFIG_RFD_FTL is not set
+# CONFIG_SSFDC is not set
+# CONFIG_MTD_OOPS is not set
+
+#
+# RAM/ROM/Flash chip drivers
+#
+# CONFIG_MTD_CFI is not set
+# CONFIG_MTD_JEDECPROBE is not set
+CONFIG_MTD_MAP_BANK_WIDTH_1=y
+CONFIG_MTD_MAP_BANK_WIDTH_2=y
+CONFIG_MTD_MAP_BANK_WIDTH_4=y
+# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
+CONFIG_MTD_CFI_I1=y
+CONFIG_MTD_CFI_I2=y
+# CONFIG_MTD_CFI_I4 is not set
+# CONFIG_MTD_CFI_I8 is not set
+# CONFIG_MTD_RAM is not set
+# CONFIG_MTD_ROM is not set
+# CONFIG_MTD_ABSENT is not set
+
+#
+# Mapping drivers for chip access
+#
+# CONFIG_MTD_COMPLEX_MAPPINGS is not set
+# CONFIG_MTD_PLATRAM is not set
+
+#
+# Self-contained MTD device drivers
+#
+CONFIG_MTD_DATAFLASH=y
+# CONFIG_MTD_M25P80 is not set
+# CONFIG_MTD_SLRAM is not set
+# CONFIG_MTD_PHRAM is not set
+# CONFIG_MTD_MTDRAM is not set
+# CONFIG_MTD_BLOCK2MTD is not set
+
+#
+# Disk-On-Chip Device Drivers
+#
+# CONFIG_MTD_DOC2000 is not set
+# CONFIG_MTD_DOC2001 is not set
+# CONFIG_MTD_DOC2001PLUS is not set
+CONFIG_MTD_NAND=y
+# CONFIG_MTD_NAND_VERIFY_WRITE is not set
+# CONFIG_MTD_NAND_ECC_SMC is not set
+# CONFIG_MTD_NAND_MUSEUM_IDS is not set
+CONFIG_MTD_NAND_IDS=y
+# CONFIG_MTD_NAND_DISKONCHIP is not set
+CONFIG_MTD_NAND_AT91=y
+CONFIG_MTD_NAND_AT91_ECC_SOFT=y
+# CONFIG_MTD_NAND_AT91_ECC_HW is not set
+# CONFIG_MTD_NAND_AT91_ECC_NONE is not set
+# CONFIG_MTD_NAND_NANDSIM is not set
+# CONFIG_MTD_NAND_PLATFORM is not set
+# CONFIG_MTD_ALAUDA is not set
+# CONFIG_MTD_ONENAND is not set
+
+#
+# UBI - Unsorted block images
+#
+# CONFIG_MTD_UBI is not set
+# CONFIG_PARPORT is not set
+CONFIG_BLK_DEV=y
+# CONFIG_BLK_DEV_COW_COMMON is not set
+CONFIG_BLK_DEV_LOOP=y
+# CONFIG_BLK_DEV_CRYPTOLOOP is not set
+# CONFIG_BLK_DEV_NBD is not set
+# CONFIG_BLK_DEV_UB is not set
+# CONFIG_BLK_DEV_RAM is not set
+# CONFIG_CDROM_PKTCDVD is not set
+# CONFIG_ATA_OVER_ETH is not set
+# CONFIG_MISC_DEVICES is not set
+
+#
+# SCSI device support
+#
+# CONFIG_RAID_ATTRS is not set
+CONFIG_SCSI=y
+CONFIG_SCSI_DMA=y
+# CONFIG_SCSI_TGT is not set
+# CONFIG_SCSI_NETLINK is not set
+CONFIG_SCSI_PROC_FS=y
+
+#
+# SCSI support type (disk, tape, CD-ROM)
+#
+CONFIG_BLK_DEV_SD=y
+# CONFIG_CHR_DEV_ST is not set
+# CONFIG_CHR_DEV_OSST is not set
+# CONFIG_BLK_DEV_SR is not set
+# CONFIG_CHR_DEV_SG is not set
+# CONFIG_CHR_DEV_SCH is not set
+
+#
+# Some SCSI devices (e.g. CD jukebox) support multiple LUNs
+#
+CONFIG_SCSI_MULTI_LUN=y
+# CONFIG_SCSI_CONSTANTS is not set
+# CONFIG_SCSI_LOGGING is not set
+# CONFIG_SCSI_SCAN_ASYNC is not set
+CONFIG_SCSI_WAIT_SCAN=m
+
+#
+# SCSI Transports
+#
+# CONFIG_SCSI_SPI_ATTRS is not set
+# CONFIG_SCSI_FC_ATTRS is not set
+# CONFIG_SCSI_ISCSI_ATTRS is not set
+# CONFIG_SCSI_SAS_LIBSAS is not set
+# CONFIG_SCSI_SRP_ATTRS is not set
+CONFIG_SCSI_LOWLEVEL=y
+# CONFIG_ISCSI_TCP is not set
+# CONFIG_SCSI_DEBUG is not set
+# CONFIG_ATA is not set
+# CONFIG_MD is not set
+CONFIG_NETDEVICES=y
+# CONFIG_NETDEVICES_MULTIQUEUE is not set
+# CONFIG_DUMMY is not set
+# CONFIG_BONDING is not set
+# CONFIG_MACVLAN is not set
+# CONFIG_EQUALIZER is not set
+# CONFIG_TUN is not set
+# CONFIG_VETH is not set
+CONFIG_PHYLIB=y
+
+#
+# MII PHY device drivers
+#
+# CONFIG_MARVELL_PHY is not set
+# CONFIG_DAVICOM_PHY is not set
+# CONFIG_QSEMI_PHY is not set
+# CONFIG_LXT_PHY is not set
+# CONFIG_CICADA_PHY is not set
+# CONFIG_VITESSE_PHY is not set
+# CONFIG_SMSC_PHY is not set
+# CONFIG_BROADCOM_PHY is not set
+# CONFIG_ICPLUS_PHY is not set
+# CONFIG_FIXED_PHY is not set
+# CONFIG_MDIO_BITBANG is not set
+CONFIG_NET_ETHERNET=y
+CONFIG_MII=y
+CONFIG_MACB=y
+# CONFIG_AX88796 is not set
+# CONFIG_SMC91X is not set
+# CONFIG_DM9000 is not set
+# CONFIG_IBM_NEW_EMAC_ZMII is not set
+# CONFIG_IBM_NEW_EMAC_RGMII is not set
+# CONFIG_IBM_NEW_EMAC_TAH is not set
+# CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_B44 is not set
+CONFIG_NETDEV_1000=y
+CONFIG_NETDEV_10000=y
+
+#
+# Wireless LAN
+#
+# CONFIG_WLAN_PRE80211 is not set
+# CONFIG_WLAN_80211 is not set
+
+#
+# USB Network Adapters
+#
+# CONFIG_USB_CATC is not set
+# CONFIG_USB_KAWETH is not set
+# CONFIG_USB_PEGASUS is not set
+# CONFIG_USB_RTL8150 is not set
+# CONFIG_USB_USBNET is not set
+# CONFIG_WAN is not set
+# CONFIG_PPP is not set
+# CONFIG_SLIP is not set
+# CONFIG_SHAPER is not set
+# CONFIG_NETCONSOLE is not set
+# CONFIG_NETPOLL is not set
+# CONFIG_NET_POLL_CONTROLLER is not set
+# CONFIG_ISDN is not set
+
+#
+# Input device support
+#
+CONFIG_INPUT=y
+# CONFIG_INPUT_FF_MEMLESS is not set
+# CONFIG_INPUT_POLLDEV is not set
+
+#
+# Userland interfaces
+#
+CONFIG_INPUT_MOUSEDEV=y
+# CONFIG_INPUT_MOUSEDEV_PSAUX is not set
+CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
+CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
+# CONFIG_INPUT_JOYDEV is not set
+CONFIG_INPUT_EVDEV=y
+CONFIG_INPUT_EVBUG=y
+
+#
+# Input Device Drivers
+#
+CONFIG_INPUT_KEYBOARD=y
+# CONFIG_KEYBOARD_ATKBD is not set
+# CONFIG_KEYBOARD_SUNKBD is not set
+# CONFIG_KEYBOARD_LKKBD is not set
+# CONFIG_KEYBOARD_XTKBD is not set
+# CONFIG_KEYBOARD_NEWTON is not set
+# CONFIG_KEYBOARD_STOWAWAY is not set
+CONFIG_KEYBOARD_GPIO=y
+# CONFIG_INPUT_MOUSE is not set
+# CONFIG_INPUT_JOYSTICK is not set
+# CONFIG_INPUT_TABLET is not set
+# CONFIG_INPUT_TOUCHSCREEN is not set
+# CONFIG_INPUT_MISC is not set
+
+#
+# Hardware I/O ports
+#
+# CONFIG_SERIO is not set
+# CONFIG_GAMEPORT is not set
+
+#
+# Character devices
+#
+CONFIG_VT=y
+CONFIG_VT_CONSOLE=y
+CONFIG_HW_CONSOLE=y
+# CONFIG_VT_HW_CONSOLE_BINDING is not set
+# CONFIG_SERIAL_NONSTANDARD is not set
+
+#
+# Serial drivers
+#
+# CONFIG_SERIAL_8250 is not set
+
+#
+# Non-8250 serial port support
+#
+CONFIG_SERIAL_ATMEL=y
+CONFIG_SERIAL_ATMEL_CONSOLE=y
+# CONFIG_SERIAL_ATMEL_TTYAT is not set
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+CONFIG_UNIX98_PTYS=y
+CONFIG_LEGACY_PTYS=y
+CONFIG_LEGACY_PTY_COUNT=256
+# CONFIG_IPMI_HANDLER is not set
+CONFIG_HW_RANDOM=y
+# CONFIG_NVRAM is not set
+# CONFIG_R3964 is not set
+# CONFIG_RAW_DRIVER is not set
+# CONFIG_TCG_TPM is not set
+CONFIG_I2C=y
+CONFIG_I2C_BOARDINFO=y
+CONFIG_I2C_CHARDEV=y
+
+#
+# I2C Algorithms
+#
+# CONFIG_I2C_ALGOBIT is not set
+# CONFIG_I2C_ALGOPCF is not set
+# CONFIG_I2C_ALGOPCA is not set
+
+#
+# I2C Hardware Bus support
+#
+# CONFIG_I2C_GPIO is not set
+# CONFIG_I2C_OCORES is not set
+# CONFIG_I2C_PARPORT_LIGHT is not set
+# CONFIG_I2C_SIMTEC is not set
+# CONFIG_I2C_TAOS_EVM is not set
+# CONFIG_I2C_STUB is not set
+# CONFIG_I2C_TINY_USB is not set
+# CONFIG_I2C_PCA is not set
+
+#
+# Miscellaneous I2C Chip support
+#
+# CONFIG_SENSORS_DS1337 is not set
+# CONFIG_SENSORS_DS1374 is not set
+# CONFIG_DS1682 is not set
+# CONFIG_SENSORS_EEPROM is not set
+# CONFIG_SENSORS_PCF8574 is not set
+# CONFIG_SENSORS_PCA9539 is not set
+# CONFIG_SENSORS_PCF8591 is not set
+# CONFIG_SENSORS_MAX6875 is not set
+# CONFIG_SENSORS_TSL2550 is not set
+# CONFIG_I2C_DEBUG_CORE is not set
+# CONFIG_I2C_DEBUG_ALGO is not set
+# CONFIG_I2C_DEBUG_BUS is not set
+# CONFIG_I2C_DEBUG_CHIP is not set
+
+#
+# SPI support
+#
+CONFIG_SPI=y
+# CONFIG_SPI_DEBUG is not set
+CONFIG_SPI_MASTER=y
+
+#
+# SPI Master Controller Drivers
+#
+CONFIG_SPI_ATMEL=y
+# CONFIG_SPI_BITBANG is not set
+
+#
+# SPI Protocol Masters
+#
+# CONFIG_SPI_AT25 is not set
+# CONFIG_SPI_SPIDEV is not set
+# CONFIG_SPI_TLE62X0 is not set
+# CONFIG_W1 is not set
+# CONFIG_POWER_SUPPLY is not set
+# CONFIG_HWMON is not set
+CONFIG_WATCHDOG=y
+CONFIG_WATCHDOG_NOWAYOUT=y
+
+#
+# Watchdog Device Drivers
+#
+# CONFIG_SOFT_WATCHDOG is not set
+# CONFIG_AT91SAM9_WATCHDOG is not set
+
+#
+# USB-based Watchdog Cards
+#
+# CONFIG_USBPCWATCHDOG is not set
+
+#
+# Sonics Silicon Backplane
+#
+CONFIG_SSB_POSSIBLE=y
+# CONFIG_SSB is not set
+
+#
+# Multifunction device drivers
+#
+# CONFIG_MFD_SM501 is not set
+
+#
+# Multimedia devices
+#
+# CONFIG_VIDEO_DEV is not set
+# CONFIG_DVB_CORE is not set
+# CONFIG_DAB is not set
+
+#
+# Graphics support
+#
+# CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
+# CONFIG_FB is not set
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+
+#
+# Display device support
+#
+# CONFIG_DISPLAY_SUPPORT is not set
+
+#
+# Console display driver support
+#
+# CONFIG_VGA_CONSOLE is not set
+CONFIG_DUMMY_CONSOLE=y
+
+#
+# Sound
+#
+# CONFIG_SOUND is not set
+CONFIG_HID_SUPPORT=y
+CONFIG_HID=y
+# CONFIG_HID_DEBUG is not set
+# CONFIG_HIDRAW is not set
+
+#
+# USB Input Devices
+#
+# CONFIG_USB_HID is not set
+
+#
+# USB HID Boot Protocol drivers
+#
+# CONFIG_USB_KBD is not set
+# CONFIG_USB_MOUSE is not set
+CONFIG_USB_SUPPORT=y
+CONFIG_USB_ARCH_HAS_HCD=y
+CONFIG_USB_ARCH_HAS_OHCI=y
+# CONFIG_USB_ARCH_HAS_EHCI is not set
+CONFIG_USB=y
+# CONFIG_USB_DEBUG is not set
+
+#
+# Miscellaneous USB options
+#
+CONFIG_USB_DEVICEFS=y
+CONFIG_USB_DEVICE_CLASS=y
+# CONFIG_USB_DYNAMIC_MINORS is not set
+# CONFIG_USB_SUSPEND is not set
+# CONFIG_USB_PERSIST is not set
+# CONFIG_USB_OTG is not set
+
+#
+# USB Host Controller Drivers
+#
+# CONFIG_USB_ISP116X_HCD is not set
+CONFIG_USB_OHCI_HCD=y
+# CONFIG_USB_OHCI_BIG_ENDIAN_DESC is not set
+# CONFIG_USB_OHCI_BIG_ENDIAN_MMIO is not set
+CONFIG_USB_OHCI_LITTLE_ENDIAN=y
+# CONFIG_USB_SL811_HCD is not set
+# CONFIG_USB_R8A66597_HCD is not set
+
+#
+# USB Device Class drivers
+#
+# CONFIG_USB_ACM is not set
+# CONFIG_USB_PRINTER is not set
+
+#
+# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
+#
+
+#
+# may also be needed; see USB_STORAGE Help for more information
+#
+CONFIG_USB_STORAGE=y
+# CONFIG_USB_STORAGE_DEBUG is not set
+# CONFIG_USB_STORAGE_DATAFAB is not set
+# CONFIG_USB_STORAGE_FREECOM is not set
+# CONFIG_USB_STORAGE_ISD200 is not set
+# CONFIG_USB_STORAGE_DPCM is not set
+# CONFIG_USB_STORAGE_USBAT is not set
+# CONFIG_USB_STORAGE_SDDR09 is not set
+# CONFIG_USB_STORAGE_SDDR55 is not set
+# CONFIG_USB_STORAGE_JUMPSHOT is not set
+# CONFIG_USB_STORAGE_ALAUDA is not set
+# CONFIG_USB_STORAGE_KARMA is not set
+# CONFIG_USB_LIBUSUAL is not set
+
+#
+# USB Imaging devices
+#
+# CONFIG_USB_MDC800 is not set
+# CONFIG_USB_MICROTEK is not set
+CONFIG_USB_MON=y
+
+#
+# USB port drivers
+#
+
+#
+# USB Serial Converter support
+#
+# CONFIG_USB_SERIAL is not set
+
+#
+# USB Miscellaneous drivers
+#
+# CONFIG_USB_EMI62 is not set
+# CONFIG_USB_EMI26 is not set
+# CONFIG_USB_ADUTUX is not set
+# CONFIG_USB_AUERSWALD is not set
+# CONFIG_USB_RIO500 is not set
+# CONFIG_USB_LEGOTOWER is not set
+# CONFIG_USB_LCD is not set
+# CONFIG_USB_BERRY_CHARGE is not set
+# CONFIG_USB_LED is not set
+# CONFIG_USB_CYPRESS_CY7C63 is not set
+# CONFIG_USB_CYTHERM is not set
+# CONFIG_USB_PHIDGET is not set
+# CONFIG_USB_IDMOUSE is not set
+# CONFIG_USB_FTDI_ELAN is not set
+# CONFIG_USB_APPLEDISPLAY is not set
+# CONFIG_USB_LD is not set
+# CONFIG_USB_TRANCEVIBRATOR is not set
+# CONFIG_USB_IOWARRIOR is not set
+# CONFIG_USB_TEST is not set
+
+#
+# USB DSL modem support
+#
+
+#
+# USB Gadget Support
+#
+CONFIG_USB_GADGET=y
+# CONFIG_USB_GADGET_DEBUG is not set
+# CONFIG_USB_GADGET_DEBUG_FILES is not set
+CONFIG_USB_GADGET_SELECTED=y
+# CONFIG_USB_GADGET_AMD5536UDC is not set
+# CONFIG_USB_GADGET_ATMEL_USBA is not set
+# CONFIG_USB_GADGET_FSL_USB2 is not set
+# CONFIG_USB_GADGET_NET2280 is not set
+# CONFIG_USB_GADGET_PXA2XX is not set
+# CONFIG_USB_GADGET_M66592 is not set
+# CONFIG_USB_GADGET_GOKU is not set
+# CONFIG_USB_GADGET_LH7A40X is not set
+# CONFIG_USB_GADGET_OMAP is not set
+# CONFIG_USB_GADGET_S3C2410 is not set
+CONFIG_USB_GADGET_AT91=y
+CONFIG_USB_AT91=y
+# CONFIG_USB_GADGET_DUMMY_HCD is not set
+# CONFIG_USB_GADGET_DUALSPEED is not set
+# CONFIG_USB_ZERO is not set
+CONFIG_USB_ETH=y
+CONFIG_USB_ETH_RNDIS=y
+# CONFIG_USB_GADGETFS is not set
+# CONFIG_USB_FILE_STORAGE is not set
+# CONFIG_USB_G_SERIAL is not set
+# CONFIG_USB_MIDI_GADGET is not set
+CONFIG_MMC=y
+# CONFIG_MMC_DEBUG is not set
+# CONFIG_MMC_UNSAFE_RESUME is not set
+
+#
+# MMC/SD Card Drivers
+#
+CONFIG_MMC_BLOCK=y
+CONFIG_MMC_BLOCK_BOUNCE=y
+# CONFIG_SDIO_UART is not set
+
+#
+# MMC/SD Host Controller Drivers
+#
+CONFIG_MMC_AT91=y
+# CONFIG_MMC_SPI is not set
+CONFIG_NEW_LEDS=y
+CONFIG_LEDS_CLASS=y
+
+#
+# LED drivers
+#
+CONFIG_LEDS_GPIO=y
+
+#
+# LED Triggers
+#
+CONFIG_LEDS_TRIGGERS=y
+# CONFIG_LEDS_TRIGGER_TIMER is not set
+CONFIG_LEDS_TRIGGER_HEARTBEAT=y
+CONFIG_RTC_LIB=y
+CONFIG_RTC_CLASS=y
+CONFIG_RTC_HCTOSYS=y
+CONFIG_RTC_HCTOSYS_DEVICE="rtc0"
+# CONFIG_RTC_DEBUG is not set
+
+#
+# RTC interfaces
+#
+CONFIG_RTC_INTF_SYSFS=y
+CONFIG_RTC_INTF_PROC=y
+CONFIG_RTC_INTF_DEV=y
+# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set
+# CONFIG_RTC_DRV_TEST is not set
+
+#
+# I2C RTC drivers
+#
+# CONFIG_RTC_DRV_DS1307 is not set
+# CONFIG_RTC_DRV_DS1374 is not set
+# CONFIG_RTC_DRV_DS1672 is not set
+# CONFIG_RTC_DRV_MAX6900 is not set
+# CONFIG_RTC_DRV_RS5C372 is not set
+# CONFIG_RTC_DRV_ISL1208 is not set
+# CONFIG_RTC_DRV_X1205 is not set
+# CONFIG_RTC_DRV_PCF8563 is not set
+# CONFIG_RTC_DRV_PCF8583 is not set
+# CONFIG_RTC_DRV_M41T80 is not set
+
+#
+# SPI RTC drivers
+#
+# CONFIG_RTC_DRV_RS5C348 is not set
+# CONFIG_RTC_DRV_MAX6902 is not set
+CONFIG_RTC_DRV_M41T94=y
+
+#
+# Platform RTC drivers
+#
+# CONFIG_RTC_DRV_CMOS is not set
+# CONFIG_RTC_DRV_DS1553 is not set
+# CONFIG_RTC_DRV_STK17TA8 is not set
+# CONFIG_RTC_DRV_DS1742 is not set
+# CONFIG_RTC_DRV_M48T86 is not set
+# CONFIG_RTC_DRV_M48T59 is not set
+# CONFIG_RTC_DRV_V3020 is not set
+
+#
+# on-CPU RTC drivers
+#
+# CONFIG_RTC_DRV_AT91SAM9 is not set
+
+#
+# File systems
+#
+CONFIG_EXT2_FS=y
+# CONFIG_EXT2_FS_XATTR is not set
+# CONFIG_EXT2_FS_XIP is not set
+# CONFIG_EXT3_FS is not set
+# CONFIG_EXT4DEV_FS is not set
+# CONFIG_REISERFS_FS is not set
+# CONFIG_JFS_FS is not set
+CONFIG_FS_POSIX_ACL=y
+# CONFIG_XFS_FS is not set
+# CONFIG_GFS2_FS is not set
+# CONFIG_OCFS2_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_ROMFS_FS is not set
+CONFIG_INOTIFY=y
+CONFIG_INOTIFY_USER=y
+# CONFIG_QUOTA is not set
+CONFIG_DNOTIFY=y
+# CONFIG_AUTOFS_FS is not set
+# CONFIG_AUTOFS4_FS is not set
+CONFIG_FUSE_FS=m
+
+#
+# CD-ROM/DVD Filesystems
+#
+# CONFIG_ISO9660_FS is not set
+# CONFIG_UDF_FS is not set
+
+#
+# DOS/FAT/NT Filesystems
+#
+CONFIG_FAT_FS=y
+# CONFIG_MSDOS_FS is not set
+CONFIG_VFAT_FS=y
+CONFIG_FAT_DEFAULT_CODEPAGE=437
+CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
+# CONFIG_NTFS_FS is not set
+
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+CONFIG_PROC_SYSCTL=y
+CONFIG_SYSFS=y
+CONFIG_TMPFS=y
+# CONFIG_TMPFS_POSIX_ACL is not set
+# CONFIG_HUGETLB_PAGE is not set
+# CONFIG_CONFIGFS_FS is not set
+
+#
+# Miscellaneous filesystems
+#
+# CONFIG_ADFS_FS is not set
+# CONFIG_AFFS_FS is not set
+# CONFIG_HFS_FS is not set
+# CONFIG_HFSPLUS_FS is not set
+# CONFIG_BEFS_FS is not set
+# CONFIG_BFS_FS is not set
+# CONFIG_EFS_FS is not set
+CONFIG_JFFS2_FS=y
+CONFIG_JFFS2_FS_DEBUG=0
+CONFIG_JFFS2_FS_WRITEBUFFER=y
+# CONFIG_JFFS2_FS_WBUF_VERIFY is not set
+# CONFIG_JFFS2_SUMMARY is not set
+# CONFIG_JFFS2_FS_XATTR is not set
+# CONFIG_JFFS2_COMPRESSION_OPTIONS is not set
+CONFIG_JFFS2_ZLIB=y
+# CONFIG_JFFS2_LZO is not set
+CONFIG_JFFS2_RTIME=y
+# CONFIG_JFFS2_RUBIN is not set
+# CONFIG_CRAMFS is not set
+# CONFIG_VXFS_FS is not set
+# CONFIG_HPFS_FS is not set
+# CONFIG_QNX4FS_FS is not set
+# CONFIG_SYSV_FS is not set
+# CONFIG_UFS_FS is not set
+CONFIG_NETWORK_FILESYSTEMS=y
+CONFIG_NFS_FS=y
+CONFIG_NFS_V3=y
+CONFIG_NFS_V3_ACL=y
+CONFIG_NFS_V4=y
+# CONFIG_NFS_DIRECTIO is not set
+# CONFIG_NFSD is not set
+CONFIG_ROOT_NFS=y
+CONFIG_LOCKD=y
+CONFIG_LOCKD_V4=y
+CONFIG_NFS_ACL_SUPPORT=y
+CONFIG_NFS_COMMON=y
+CONFIG_SUNRPC=y
+CONFIG_SUNRPC_GSS=y
+# CONFIG_SUNRPC_BIND34 is not set
+CONFIG_RPCSEC_GSS_KRB5=y
+# CONFIG_RPCSEC_GSS_SPKM3 is not set
+# CONFIG_SMB_FS is not set
+# CONFIG_CIFS is not set
+# CONFIG_NCP_FS is not set
+# CONFIG_CODA_FS is not set
+# CONFIG_AFS_FS is not set
+
+#
+# Partition Types
+#
+# CONFIG_PARTITION_ADVANCED is not set
+CONFIG_MSDOS_PARTITION=y
+CONFIG_NLS=y
+CONFIG_NLS_DEFAULT="iso8859-1"
+CONFIG_NLS_CODEPAGE_437=y
+# CONFIG_NLS_CODEPAGE_737 is not set
+# CONFIG_NLS_CODEPAGE_775 is not set
+CONFIG_NLS_CODEPAGE_850=y
+# CONFIG_NLS_CODEPAGE_852 is not set
+# CONFIG_NLS_CODEPAGE_855 is not set
+# CONFIG_NLS_CODEPAGE_857 is not set
+# CONFIG_NLS_CODEPAGE_860 is not set
+# CONFIG_NLS_CODEPAGE_861 is not set
+# CONFIG_NLS_CODEPAGE_862 is not set
+# CONFIG_NLS_CODEPAGE_863 is not set
+# CONFIG_NLS_CODEPAGE_864 is not set
+# CONFIG_NLS_CODEPAGE_865 is not set
+# CONFIG_NLS_CODEPAGE_866 is not set
+# CONFIG_NLS_CODEPAGE_869 is not set
+# CONFIG_NLS_CODEPAGE_936 is not set
+# CONFIG_NLS_CODEPAGE_950 is not set
+# CONFIG_NLS_CODEPAGE_932 is not set
+# CONFIG_NLS_CODEPAGE_949 is not set
+# CONFIG_NLS_CODEPAGE_874 is not set
+# CONFIG_NLS_ISO8859_8 is not set
+# CONFIG_NLS_CODEPAGE_1250 is not set
+# CONFIG_NLS_CODEPAGE_1251 is not set
+# CONFIG_NLS_ASCII is not set
+CONFIG_NLS_ISO8859_1=y
+# CONFIG_NLS_ISO8859_2 is not set
+# CONFIG_NLS_ISO8859_3 is not set
+# CONFIG_NLS_ISO8859_4 is not set
+# CONFIG_NLS_ISO8859_5 is not set
+# CONFIG_NLS_ISO8859_6 is not set
+# CONFIG_NLS_ISO8859_7 is not set
+# CONFIG_NLS_ISO8859_9 is not set
+# CONFIG_NLS_ISO8859_13 is not set
+# CONFIG_NLS_ISO8859_14 is not set
+# CONFIG_NLS_ISO8859_15 is not set
+# CONFIG_NLS_KOI8_R is not set
+# CONFIG_NLS_KOI8_U is not set
+# CONFIG_NLS_UTF8 is not set
+# CONFIG_DLM is not set
+# CONFIG_INSTRUMENTATION is not set
+
+#
+# Kernel hacking
+#
+# CONFIG_PRINTK_TIME is not set
+CONFIG_ENABLE_WARN_DEPRECATED=y
+CONFIG_ENABLE_MUST_CHECK=y
+# CONFIG_MAGIC_SYSRQ is not set
+# CONFIG_UNUSED_SYMBOLS is not set
+# CONFIG_DEBUG_FS is not set
+# CONFIG_HEADERS_CHECK is not set
+CONFIG_DEBUG_KERNEL=y
+# CONFIG_DEBUG_SHIRQ is not set
+CONFIG_DETECT_SOFTLOCKUP=y
+CONFIG_SCHED_DEBUG=y
+# CONFIG_SCHEDSTATS is not set
+# CONFIG_TIMER_STATS is not set
+# CONFIG_DEBUG_SLAB is not set
+# CONFIG_DEBUG_RT_MUTEXES is not set
+# CONFIG_RT_MUTEX_TESTER is not set
+# CONFIG_DEBUG_SPINLOCK is not set
+# CONFIG_DEBUG_MUTEXES is not set
+# CONFIG_DEBUG_LOCK_ALLOC is not set
+# CONFIG_PROVE_LOCKING is not set
+# CONFIG_LOCK_STAT is not set
+# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
+# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
+# CONFIG_DEBUG_KOBJECT is not set
+CONFIG_DEBUG_BUGVERBOSE=y
+# CONFIG_DEBUG_INFO is not set
+# CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_LIST is not set
+# CONFIG_DEBUG_SG is not set
+CONFIG_FRAME_POINTER=y
+CONFIG_FORCED_INLINING=y
+# CONFIG_BOOT_PRINTK_DELAY is not set
+# CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_FAULT_INJECTION is not set
+# CONFIG_SAMPLES is not set
+CONFIG_DEBUG_USER=y
+# CONFIG_DEBUG_ERRORS is not set
+CONFIG_DEBUG_LL=y
+# CONFIG_DEBUG_ICEDCC is not set
+
+#
+# Security options
+#
+# CONFIG_KEYS is not set
+# CONFIG_SECURITY is not set
+# CONFIG_SECURITY_FILE_CAPABILITIES is not set
+CONFIG_CRYPTO=y
+CONFIG_CRYPTO_ALGAPI=y
+CONFIG_CRYPTO_BLKCIPHER=y
+CONFIG_CRYPTO_MANAGER=y
+# CONFIG_CRYPTO_HMAC is not set
+# CONFIG_CRYPTO_XCBC is not set
+# CONFIG_CRYPTO_NULL is not set
+# CONFIG_CRYPTO_MD4 is not set
+CONFIG_CRYPTO_MD5=y
+# CONFIG_CRYPTO_SHA1 is not set
+# CONFIG_CRYPTO_SHA256 is not set
+# CONFIG_CRYPTO_SHA512 is not set
+# CONFIG_CRYPTO_WP512 is not set
+# CONFIG_CRYPTO_TGR192 is not set
+# CONFIG_CRYPTO_GF128MUL is not set
+# CONFIG_CRYPTO_ECB is not set
+CONFIG_CRYPTO_CBC=y
+# CONFIG_CRYPTO_PCBC is not set
+# CONFIG_CRYPTO_LRW is not set
+# CONFIG_CRYPTO_XTS is not set
+# CONFIG_CRYPTO_CRYPTD is not set
+CONFIG_CRYPTO_DES=y
+# CONFIG_CRYPTO_FCRYPT is not set
+# CONFIG_CRYPTO_BLOWFISH is not set
+# CONFIG_CRYPTO_TWOFISH is not set
+# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_AES is not set
+# CONFIG_CRYPTO_CAST5 is not set
+# CONFIG_CRYPTO_CAST6 is not set
+# CONFIG_CRYPTO_TEA is not set
+# CONFIG_CRYPTO_ARC4 is not set
+# CONFIG_CRYPTO_KHAZAD is not set
+# CONFIG_CRYPTO_ANUBIS is not set
+# CONFIG_CRYPTO_SEED is not set
+# CONFIG_CRYPTO_DEFLATE is not set
+# CONFIG_CRYPTO_MICHAEL_MIC is not set
+# CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_CAMELLIA is not set
+# CONFIG_CRYPTO_TEST is not set
+# CONFIG_CRYPTO_AUTHENC is not set
+# CONFIG_CRYPTO_HW is not set
+
+#
+# Library routines
+#
+CONFIG_BITREVERSE=y
+# CONFIG_CRC_CCITT is not set
+# CONFIG_CRC16 is not set
+# CONFIG_CRC_ITU_T is not set
+CONFIG_CRC32=y
+# CONFIG_CRC7 is not set
+# CONFIG_LIBCRC32C is not set
+CONFIG_ZLIB_INFLATE=y
+CONFIG_ZLIB_DEFLATE=y
+CONFIG_PLIST=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
+CONFIG_HAS_DMA=y
diff --git a/arch/arm/configs/realview-smp_defconfig b/arch/arm/configs/realview-smp_defconfig
index fc39ba1a89f..0c09b23167e 100644
--- a/arch/arm/configs/realview-smp_defconfig
+++ b/arch/arm/configs/realview-smp_defconfig
@@ -177,7 +177,6 @@ CONFIG_NR_CPUS=4
CONFIG_HOTPLUG_CPU=y
CONFIG_LOCAL_TIMERS=y
# CONFIG_PREEMPT is not set
-# CONFIG_NO_IDLE_HZ is not set
CONFIG_HZ=100
# CONFIG_AEABI is not set
# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
diff --git a/arch/arm/configs/realview_defconfig b/arch/arm/configs/realview_defconfig
index accbf529ce5..907e54344da 100644
--- a/arch/arm/configs/realview_defconfig
+++ b/arch/arm/configs/realview_defconfig
@@ -126,7 +126,6 @@ CONFIG_ISA_DMA_API=y
#
# Kernel Features
#
-# CONFIG_NO_IDLE_HZ is not set
# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
CONFIG_FLATMEM=y
CONFIG_FLAT_NODE_MEM_MAP=y
diff --git a/arch/arm/configs/rpc_defconfig b/arch/arm/configs/rpc_defconfig
index 5ddecb9ddf0..f62d1817d2c 100644
--- a/arch/arm/configs/rpc_defconfig
+++ b/arch/arm/configs/rpc_defconfig
@@ -190,7 +190,6 @@ CONFIG_ISA_DMA_API=y
#
# CONFIG_TICK_ONESHOT is not set
# CONFIG_PREEMPT is not set
-# CONFIG_NO_IDLE_HZ is not set
CONFIG_HZ=100
# CONFIG_AEABI is not set
# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
diff --git a/arch/arm/configs/s3c2410_defconfig b/arch/arm/configs/s3c2410_defconfig
index f8a1645b3d4..35faaea8623 100644
--- a/arch/arm/configs/s3c2410_defconfig
+++ b/arch/arm/configs/s3c2410_defconfig
@@ -1,15 +1,18 @@
#
# Automatically generated make config: don't edit
-# Linux kernel version: 2.6.21-rc6
-# Mon Apr 9 10:12:58 2007
+# Linux kernel version: 2.6.26-rc8
+# Mon Jul 7 16:59:23 2008
#
CONFIG_ARM=y
CONFIG_SYS_SUPPORTS_APM_EMULATION=y
CONFIG_GENERIC_GPIO=y
# CONFIG_GENERIC_TIME is not set
+# CONFIG_GENERIC_CLOCKEVENTS is not set
CONFIG_MMU=y
CONFIG_NO_IOPORT=y
CONFIG_GENERIC_HARDIRQS=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_LOCKDEP_SUPPORT=y
CONFIG_TRACE_IRQFLAGS_SUPPORT=y
CONFIG_HARDIRQS_SW_RESEND=y
CONFIG_GENERIC_IRQ_PROBE=y
@@ -18,34 +21,39 @@ CONFIG_RWSEM_GENERIC_SPINLOCK=y
# CONFIG_ARCH_HAS_ILOG2_U64 is not set
CONFIG_GENERIC_HWEIGHT=y
CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_ARCH_SUPPORTS_AOUT=y
CONFIG_ZONE_DMA=y
CONFIG_VECTORS_BASE=0xffff0000
CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
#
-# Code maturity level options
+# General setup
#
CONFIG_EXPERIMENTAL=y
CONFIG_BROKEN_ON_SMP=y
CONFIG_INIT_ENV_ARG_LIMIT=32
-
-#
-# General setup
-#
CONFIG_LOCALVERSION=""
CONFIG_LOCALVERSION_AUTO=y
CONFIG_SWAP=y
CONFIG_SYSVIPC=y
-# CONFIG_IPC_NS is not set
CONFIG_SYSVIPC_SYSCTL=y
# CONFIG_POSIX_MQUEUE is not set
# CONFIG_BSD_PROCESS_ACCT is not set
# CONFIG_TASKSTATS is not set
-# CONFIG_UTS_NS is not set
# CONFIG_AUDIT is not set
-# CONFIG_IKCONFIG is not set
+CONFIG_IKCONFIG=m
+CONFIG_IKCONFIG_PROC=y
+CONFIG_LOG_BUF_SHIFT=16
+# CONFIG_CGROUPS is not set
+# CONFIG_GROUP_SCHED is not set
CONFIG_SYSFS_DEPRECATED=y
+CONFIG_SYSFS_DEPRECATED_V2=y
# CONFIG_RELAY is not set
+CONFIG_NAMESPACES=y
+# CONFIG_UTS_NS is not set
+# CONFIG_IPC_NS is not set
+# CONFIG_USER_NS is not set
+# CONFIG_PID_NS is not set
CONFIG_BLK_DEV_INITRD=y
CONFIG_INITRAMFS_SOURCE=""
CONFIG_CC_OPTIMIZE_FOR_SIZE=y
@@ -53,6 +61,7 @@ CONFIG_SYSCTL=y
# CONFIG_EMBEDDED is not set
CONFIG_UID16=y
CONFIG_SYSCTL_SYSCALL=y
+CONFIG_SYSCTL_SYSCALL_CHECK=y
CONFIG_KALLSYMS=y
# CONFIG_KALLSYMS_ALL is not set
# CONFIG_KALLSYMS_EXTRA_PASS is not set
@@ -60,34 +69,43 @@ CONFIG_HOTPLUG=y
CONFIG_PRINTK=y
CONFIG_BUG=y
CONFIG_ELF_CORE=y
+CONFIG_COMPAT_BRK=y
CONFIG_BASE_FULL=y
CONFIG_FUTEX=y
+CONFIG_ANON_INODES=y
CONFIG_EPOLL=y
+CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
+CONFIG_EVENTFD=y
CONFIG_SHMEM=y
-CONFIG_SLAB=y
CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_SLAB=y
+# CONFIG_SLUB is not set
+# CONFIG_SLOB is not set
+# CONFIG_PROFILING is not set
+# CONFIG_MARKERS is not set
+CONFIG_HAVE_OPROFILE=y
+# CONFIG_KPROBES is not set
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+# CONFIG_HAVE_DMA_ATTRS is not set
+CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_SLABINFO=y
CONFIG_RT_MUTEXES=y
# CONFIG_TINY_SHMEM is not set
CONFIG_BASE_SMALL=0
-# CONFIG_SLOB is not set
-
-#
-# Loadable module support
-#
CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
CONFIG_MODULE_UNLOAD=y
# CONFIG_MODULE_FORCE_UNLOAD is not set
# CONFIG_MODVERSIONS is not set
# CONFIG_MODULE_SRCVERSION_ALL is not set
CONFIG_KMOD=y
-
-#
-# Block layer
-#
CONFIG_BLOCK=y
# CONFIG_LBD is not set
# CONFIG_BLK_DEV_IO_TRACE is not set
# CONFIG_LSF is not set
+# CONFIG_BLK_DEV_BSG is not set
#
# IO Schedulers
@@ -101,6 +119,7 @@ CONFIG_DEFAULT_AS=y
# CONFIG_DEFAULT_CFQ is not set
# CONFIG_DEFAULT_NOOP is not set
CONFIG_DEFAULT_IOSCHED="anticipatory"
+CONFIG_CLASSIC_RCU=y
#
# System Type
@@ -119,14 +138,17 @@ CONFIG_DEFAULT_IOSCHED="anticipatory"
# CONFIG_ARCH_NETX is not set
# CONFIG_ARCH_H720X is not set
# CONFIG_ARCH_IMX is not set
+# CONFIG_ARCH_IOP13XX is not set
# CONFIG_ARCH_IOP32X is not set
# CONFIG_ARCH_IOP33X is not set
-# CONFIG_ARCH_IOP13XX is not set
-# CONFIG_ARCH_IXP4XX is not set
-# CONFIG_ARCH_IXP2000 is not set
# CONFIG_ARCH_IXP23XX is not set
+# CONFIG_ARCH_IXP2000 is not set
+# CONFIG_ARCH_IXP4XX is not set
# CONFIG_ARCH_L7200 is not set
+# CONFIG_ARCH_KS8695 is not set
# CONFIG_ARCH_NS9XXX is not set
+# CONFIG_ARCH_MXC is not set
+# CONFIG_ARCH_ORION5X is not set
# CONFIG_ARCH_PNX4008 is not set
# CONFIG_ARCH_PXA is not set
# CONFIG_ARCH_RPC is not set
@@ -134,18 +156,32 @@ CONFIG_DEFAULT_IOSCHED="anticipatory"
CONFIG_ARCH_S3C2410=y
# CONFIG_ARCH_SHARK is not set
# CONFIG_ARCH_LH7A40X is not set
+# CONFIG_ARCH_DAVINCI is not set
# CONFIG_ARCH_OMAP is not set
+# CONFIG_ARCH_MSM7X00A is not set
CONFIG_PLAT_S3C24XX=y
CONFIG_CPU_S3C244X=y
+# CONFIG_S3C24XX_PWM is not set
CONFIG_PM_SIMTEC=y
+CONFIG_S3C2410_DMA=y
+# CONFIG_S3C2410_DMA_DEBUG is not set
+CONFIG_MACH_SMDK=y
+CONFIG_PLAT_S3C=y
+CONFIG_CPU_LLSERIAL_S3C2410=y
+CONFIG_CPU_LLSERIAL_S3C2440=y
+
+#
+# Boot options
+#
# CONFIG_S3C_BOOT_WATCHDOG is not set
# CONFIG_S3C_BOOT_ERROR_RESET is not set
+
+#
+# Power management
+#
# CONFIG_S3C2410_PM_DEBUG is not set
# CONFIG_S3C2410_PM_CHECK is not set
CONFIG_S3C_LOWLEVEL_UART_PORT=0
-CONFIG_S3C2410_DMA=y
-# CONFIG_S3C2410_DMA_DEBUG is not set
-CONFIG_MACH_SMDK=y
#
# S3C2400 Machines
@@ -155,6 +191,8 @@ CONFIG_CPU_S3C2410_DMA=y
CONFIG_S3C2410_PM=y
CONFIG_S3C2410_GPIO=y
CONFIG_S3C2410_CLOCK=y
+CONFIG_SIMTEC_NOR=y
+CONFIG_MACH_BAST_IDE=y
#
# S3C2410 Machines
@@ -167,6 +205,7 @@ CONFIG_ARCH_BAST=y
CONFIG_MACH_OTOM=y
CONFIG_MACH_AML_M5900=y
CONFIG_BAST_PC104_IRQ=y
+# CONFIG_MACH_TCT_HAMMER is not set
CONFIG_MACH_VR1000=y
CONFIG_MACH_QT2410=y
CONFIG_CPU_S3C2412=y
@@ -176,8 +215,10 @@ CONFIG_S3C2412_PM=y
#
# S3C2412 Machines
#
+# CONFIG_MACH_JIVE is not set
CONFIG_MACH_SMDK2413=y
CONFIG_MACH_S3C2413=y
+# CONFIG_MACH_SMDK2412 is not set
CONFIG_MACH_VSTMS=y
CONFIG_CPU_S3C2440=y
CONFIG_S3C2440_DMA=y
@@ -191,6 +232,7 @@ CONFIG_MACH_RX3715=y
CONFIG_ARCH_S3C2440=y
CONFIG_MACH_NEXCODER_2440=y
CONFIG_SMDK2440_CPU2440=y
+# CONFIG_MACH_AT2440EVB is not set
CONFIG_CPU_S3C2442=y
#
@@ -215,6 +257,7 @@ CONFIG_CPU_32v4T=y
CONFIG_CPU_32v5=y
CONFIG_CPU_ABRT_EV4T=y
CONFIG_CPU_ABRT_EV5TJ=y
+CONFIG_CPU_PABRT_NOIFAR=y
CONFIG_CPU_CACHE_V4WT=y
CONFIG_CPU_CACHE_VIVT=y
CONFIG_CPU_COPY_V4WB=y
@@ -236,17 +279,15 @@ CONFIG_CPU_CP15_MMU=y
# Bus support
#
CONFIG_ISA=y
-
-#
-# PCCARD (PCMCIA/CardBus) support
-#
+# CONFIG_PCI_SYSCALL is not set
+# CONFIG_ARCH_SUPPORTS_MSI is not set
# CONFIG_PCCARD is not set
#
# Kernel Features
#
+# CONFIG_TICK_ONESHOT is not set
# CONFIG_PREEMPT is not set
-# CONFIG_NO_IDLE_HZ is not set
CONFIG_HZ=200
# CONFIG_AEABI is not set
# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
@@ -257,9 +298,13 @@ CONFIG_FLATMEM_MANUAL=y
CONFIG_FLATMEM=y
CONFIG_FLAT_NODE_MEM_MAP=y
# CONFIG_SPARSEMEM_STATIC is not set
+# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
+CONFIG_PAGEFLAGS_EXTENDED=y
CONFIG_SPLIT_PTLOCK_CPUS=4096
# CONFIG_RESOURCES_64BIT is not set
CONFIG_ZONE_DMA_FLAG=1
+CONFIG_BOUNCE=y
+CONFIG_VIRT_TO_BUS=y
CONFIG_ALIGNMENT_TRAP=y
#
@@ -279,7 +324,7 @@ CONFIG_CMDLINE="root=/dev/hda1 ro init=/bin/bash console=ttySAC0"
# At least one emulation must be selected
#
CONFIG_FPE_NWFPE=y
-# CONFIG_FPE_NWFPE_XP is not set
+CONFIG_FPE_NWFPE_XP=y
# CONFIG_FPE_FASTFPE is not set
# CONFIG_VFP is not set
@@ -295,10 +340,12 @@ CONFIG_BINFMT_AOUT=y
# Power management options
#
CONFIG_PM=y
-# CONFIG_PM_LEGACY is not set
# CONFIG_PM_DEBUG is not set
-# CONFIG_PM_SYSFS_DEPRECATED is not set
-# CONFIG_APM_EMULATION is not set
+CONFIG_PM_SLEEP=y
+CONFIG_SUSPEND=y
+CONFIG_SUSPEND_FREEZER=y
+CONFIG_APM_EMULATION=m
+CONFIG_ARCH_SUSPEND_POSSIBLE=y
#
# Networking
@@ -308,59 +355,67 @@ CONFIG_NET=y
#
# Networking options
#
-# CONFIG_NETDEBUG is not set
-# CONFIG_PACKET is not set
+CONFIG_PACKET=y
+# CONFIG_PACKET_MMAP is not set
CONFIG_UNIX=y
CONFIG_XFRM=y
# CONFIG_XFRM_USER is not set
# CONFIG_XFRM_SUB_POLICY is not set
# CONFIG_XFRM_MIGRATE is not set
+# CONFIG_XFRM_STATISTICS is not set
# CONFIG_NET_KEY is not set
CONFIG_INET=y
-# CONFIG_IP_MULTICAST is not set
+CONFIG_IP_MULTICAST=y
# CONFIG_IP_ADVANCED_ROUTER is not set
CONFIG_IP_FIB_HASH=y
CONFIG_IP_PNP=y
-# CONFIG_IP_PNP_DHCP is not set
+CONFIG_IP_PNP_DHCP=y
CONFIG_IP_PNP_BOOTP=y
# CONFIG_IP_PNP_RARP is not set
# CONFIG_NET_IPIP is not set
# CONFIG_NET_IPGRE is not set
+# CONFIG_IP_MROUTE is not set
# CONFIG_ARPD is not set
# CONFIG_SYN_COOKIES is not set
# CONFIG_INET_AH is not set
# CONFIG_INET_ESP is not set
# CONFIG_INET_IPCOMP is not set
# CONFIG_INET_XFRM_TUNNEL is not set
-# CONFIG_INET_TUNNEL is not set
+CONFIG_INET_TUNNEL=m
CONFIG_INET_XFRM_MODE_TRANSPORT=y
CONFIG_INET_XFRM_MODE_TUNNEL=y
CONFIG_INET_XFRM_MODE_BEET=y
+# CONFIG_INET_LRO is not set
CONFIG_INET_DIAG=y
CONFIG_INET_TCP_DIAG=y
# CONFIG_TCP_CONG_ADVANCED is not set
CONFIG_TCP_CONG_CUBIC=y
CONFIG_DEFAULT_TCP_CONG="cubic"
# CONFIG_TCP_MD5SIG is not set
-# CONFIG_IPV6 is not set
-# CONFIG_INET6_XFRM_TUNNEL is not set
-# CONFIG_INET6_TUNNEL is not set
+CONFIG_IPV6=m
+CONFIG_IPV6_PRIVACY=y
+CONFIG_IPV6_ROUTER_PREF=y
+# CONFIG_IPV6_ROUTE_INFO is not set
+# CONFIG_IPV6_OPTIMISTIC_DAD is not set
+CONFIG_INET6_AH=m
+CONFIG_INET6_ESP=m
+CONFIG_INET6_IPCOMP=m
+CONFIG_IPV6_MIP6=m
+CONFIG_INET6_XFRM_TUNNEL=m
+CONFIG_INET6_TUNNEL=m
+CONFIG_INET6_XFRM_MODE_TRANSPORT=m
+CONFIG_INET6_XFRM_MODE_TUNNEL=m
+CONFIG_INET6_XFRM_MODE_BEET=m
+CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION=m
+CONFIG_IPV6_SIT=m
+CONFIG_IPV6_NDISC_NODETYPE=y
+CONFIG_IPV6_TUNNEL=m
+# CONFIG_IPV6_MULTIPLE_TABLES is not set
+# CONFIG_IPV6_MROUTE is not set
# CONFIG_NETWORK_SECMARK is not set
# CONFIG_NETFILTER is not set
-
-#
-# DCCP Configuration (EXPERIMENTAL)
-#
# CONFIG_IP_DCCP is not set
-
-#
-# SCTP Configuration (EXPERIMENTAL)
-#
# CONFIG_IP_SCTP is not set
-
-#
-# TIPC Configuration (EXPERIMENTAL)
-#
# CONFIG_TIPC is not set
# CONFIG_ATM is not set
# CONFIG_BRIDGE is not set
@@ -373,20 +428,71 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
# CONFIG_LAPB is not set
# CONFIG_ECONET is not set
# CONFIG_WAN_ROUTER is not set
-
-#
-# QoS and/or fair queueing
-#
# CONFIG_NET_SCHED is not set
+CONFIG_NET_SCH_FIFO=y
#
# Network testing
#
# CONFIG_NET_PKTGEN is not set
# CONFIG_HAMRADIO is not set
+# CONFIG_CAN is not set
# CONFIG_IRDA is not set
-# CONFIG_BT is not set
+CONFIG_BT=m
+CONFIG_BT_L2CAP=m
+CONFIG_BT_SCO=m
+CONFIG_BT_RFCOMM=m
+CONFIG_BT_RFCOMM_TTY=y
+CONFIG_BT_BNEP=m
+CONFIG_BT_BNEP_MC_FILTER=y
+CONFIG_BT_BNEP_PROTO_FILTER=y
+CONFIG_BT_HIDP=m
+
+#
+# Bluetooth device drivers
+#
+CONFIG_BT_HCIUSB=m
+CONFIG_BT_HCIUSB_SCO=y
+CONFIG_BT_HCIUART=m
+CONFIG_BT_HCIUART_H4=y
+CONFIG_BT_HCIUART_BCSP=y
+CONFIG_BT_HCIUART_LL=y
+CONFIG_BT_HCIBCM203X=m
+CONFIG_BT_HCIBPA10X=m
+CONFIG_BT_HCIBFUSB=m
+CONFIG_BT_HCIVHCI=m
+# CONFIG_AF_RXRPC is not set
+
+#
+# Wireless
+#
+CONFIG_CFG80211=m
+CONFIG_NL80211=y
+CONFIG_WIRELESS_EXT=y
+CONFIG_MAC80211=m
+
+#
+# Rate control algorithm selection
+#
+CONFIG_MAC80211_RC_DEFAULT_PID=y
+# CONFIG_MAC80211_RC_DEFAULT_NONE is not set
+
+#
+# Selecting 'y' for an algorithm will
+#
+
+#
+# build the algorithm into mac80211.
+#
+CONFIG_MAC80211_RC_DEFAULT="pid"
+CONFIG_MAC80211_RC_PID=y
+CONFIG_MAC80211_MESH=y
+CONFIG_MAC80211_LEDS=y
+# CONFIG_MAC80211_DEBUG_PACKET_ALIGNMENT is not set
+# CONFIG_MAC80211_DEBUG is not set
# CONFIG_IEEE80211 is not set
+# CONFIG_RFKILL is not set
+# CONFIG_NET_9P is not set
#
# Device Drivers
@@ -395,21 +501,14 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
#
# Generic Driver Options
#
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_STANDALONE=y
CONFIG_PREVENT_FIRMWARE_BUILD=y
-# CONFIG_FW_LOADER is not set
+CONFIG_FW_LOADER=m
# CONFIG_DEBUG_DRIVER is not set
# CONFIG_DEBUG_DEVRES is not set
# CONFIG_SYS_HYPERVISOR is not set
-
-#
-# Connector - unified userspace <-> kernelspace linker
-#
# CONFIG_CONNECTOR is not set
-
-#
-# Memory Technology Devices (MTD)
-#
CONFIG_MTD=y
# CONFIG_MTD_DEBUG is not set
# CONFIG_MTD_CONCAT is not set
@@ -420,6 +519,7 @@ CONFIG_MTD_REDBOOT_PARTS_UNALLOCATED=y
# CONFIG_MTD_REDBOOT_PARTS_READONLY is not set
CONFIG_MTD_CMDLINE_PARTS=y
# CONFIG_MTD_AFS_PARTS is not set
+# CONFIG_MTD_AR7_PARTS is not set
#
# User Modules And Translation Layers
@@ -432,6 +532,7 @@ CONFIG_MTD_BLOCK=y
# CONFIG_INFTL is not set
# CONFIG_RFD_FTL is not set
# CONFIG_SSFDC is not set
+# CONFIG_MTD_OOPS is not set
#
# RAM/ROM/Flash chip drivers
@@ -457,7 +558,6 @@ CONFIG_MTD_CFI_UTIL=y
# CONFIG_MTD_RAM is not set
CONFIG_MTD_ROM=y
# CONFIG_MTD_ABSENT is not set
-# CONFIG_MTD_OBSOLETE_CHIPS is not set
#
# Mapping drivers for chip access
@@ -486,13 +586,10 @@ CONFIG_MTD_BAST_MAXSIZE=4
# CONFIG_MTD_DOC2000 is not set
# CONFIG_MTD_DOC2001 is not set
# CONFIG_MTD_DOC2001PLUS is not set
-
-#
-# NAND Flash Device Drivers
-#
CONFIG_MTD_NAND=y
# CONFIG_MTD_NAND_VERIFY_WRITE is not set
# CONFIG_MTD_NAND_ECC_SMC is not set
+# CONFIG_MTD_NAND_MUSEUM_IDS is not set
CONFIG_MTD_NAND_IDS=y
CONFIG_MTD_NAND_S3C2410=y
# CONFIG_MTD_NAND_S3C2410_DEBUG is not set
@@ -500,30 +597,25 @@ CONFIG_MTD_NAND_S3C2410=y
# CONFIG_MTD_NAND_S3C2410_CLKSTOP is not set
# CONFIG_MTD_NAND_DISKONCHIP is not set
# CONFIG_MTD_NAND_NANDSIM is not set
-
-#
-# OneNAND Flash Device Drivers
-#
+# CONFIG_MTD_NAND_PLATFORM is not set
+# CONFIG_MTD_ALAUDA is not set
# CONFIG_MTD_ONENAND is not set
#
-# Parallel port support
+# UBI - Unsorted block images
#
+# CONFIG_MTD_UBI is not set
CONFIG_PARPORT=y
-# CONFIG_PARPORT_PC is not set
+CONFIG_PARPORT_PC=m
+# CONFIG_PARPORT_PC_FIFO is not set
+# CONFIG_PARPORT_PC_SUPERIO is not set
# CONFIG_PARPORT_GSC is not set
-# CONFIG_PARPORT_AX88796 is not set
+CONFIG_PARPORT_AX88796=m
CONFIG_PARPORT_1284=y
-
-#
-# Plug and Play support
-#
+CONFIG_PARPORT_NOT_PC=y
# CONFIG_PNP is not set
-# CONFIG_PNPACPI is not set
-
-#
-# Block devices
-#
+CONFIG_BLK_DEV=y
+# CONFIG_PARIDE is not set
# CONFIG_BLK_DEV_COW_COMMON is not set
CONFIG_BLK_DEV_LOOP=y
# CONFIG_BLK_DEV_CRYPTOLOOP is not set
@@ -532,34 +624,34 @@ CONFIG_BLK_DEV_NBD=m
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_RAM_COUNT=16
CONFIG_BLK_DEV_RAM_SIZE=4096
-CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024
+# CONFIG_BLK_DEV_XIP is not set
# CONFIG_CDROM_PKTCDVD is not set
CONFIG_ATA_OVER_ETH=m
-
-#
-# ATA/ATAPI/MFM/RLL support
-#
+CONFIG_MISC_DEVICES=y
+# CONFIG_EEPROM_93CX6 is not set
+# CONFIG_ENCLOSURE_SERVICES is not set
+CONFIG_HAVE_IDE=y
CONFIG_IDE=y
CONFIG_BLK_DEV_IDE=y
#
-# Please see Documentation/ide.txt for help/info on IDE drives
+# Please see Documentation/ide/ide.txt for help/info on IDE drives
#
# CONFIG_BLK_DEV_IDE_SATA is not set
CONFIG_BLK_DEV_IDEDISK=y
# CONFIG_IDEDISK_MULTI_MODE is not set
CONFIG_BLK_DEV_IDECD=y
+CONFIG_BLK_DEV_IDECD_VERBOSE_ERRORS=y
CONFIG_BLK_DEV_IDETAPE=m
CONFIG_BLK_DEV_IDEFLOPPY=m
+# CONFIG_BLK_DEV_IDESCSI is not set
# CONFIG_IDE_TASK_IOCTL is not set
+CONFIG_IDE_PROC_FS=y
#
# IDE chipset support/bugfixes
#
-CONFIG_IDE_GENERIC=y
-# CONFIG_IDE_ARM is not set
-CONFIG_BLK_DEV_IDE_BAST=y
-# CONFIG_IDE_CHIPSETS is not set
+# CONFIG_BLK_DEV_PLATFORM is not set
# CONFIG_BLK_DEV_IDEDMA is not set
# CONFIG_BLK_DEV_HD is not set
@@ -567,101 +659,119 @@ CONFIG_BLK_DEV_IDE_BAST=y
# SCSI device support
#
# CONFIG_RAID_ATTRS is not set
-# CONFIG_SCSI is not set
+CONFIG_SCSI=y
+CONFIG_SCSI_DMA=y
+CONFIG_SCSI_TGT=m
# CONFIG_SCSI_NETLINK is not set
-
-#
-# Serial ATA (prod) and Parallel ATA (experimental) drivers
-#
+CONFIG_SCSI_PROC_FS=y
+
+#
+# SCSI support type (disk, tape, CD-ROM)
+#
+CONFIG_BLK_DEV_SD=y
+CONFIG_CHR_DEV_ST=m
+# CONFIG_CHR_DEV_OSST is not set
+CONFIG_BLK_DEV_SR=m
+CONFIG_BLK_DEV_SR_VENDOR=y
+CONFIG_CHR_DEV_SG=y
+CONFIG_CHR_DEV_SCH=m
+
+#
+# Some SCSI devices (e.g. CD jukebox) support multiple LUNs
+#
+CONFIG_SCSI_MULTI_LUN=y
+CONFIG_SCSI_CONSTANTS=y
+# CONFIG_SCSI_LOGGING is not set
+CONFIG_SCSI_SCAN_ASYNC=y
+CONFIG_SCSI_WAIT_SCAN=m
+
+#
+# SCSI Transports
+#
+# CONFIG_SCSI_SPI_ATTRS is not set
+# CONFIG_SCSI_FC_ATTRS is not set
+# CONFIG_SCSI_ISCSI_ATTRS is not set
+# CONFIG_SCSI_SAS_LIBSAS is not set
+# CONFIG_SCSI_SRP_ATTRS is not set
+CONFIG_SCSI_LOWLEVEL=y
+# CONFIG_ISCSI_TCP is not set
+# CONFIG_SCSI_AHA152X is not set
+# CONFIG_SCSI_AIC7XXX_OLD is not set
+# CONFIG_SCSI_ADVANSYS is not set
+# CONFIG_SCSI_IN2000 is not set
+# CONFIG_SCSI_DTC3280 is not set
+# CONFIG_SCSI_FUTURE_DOMAIN is not set
+# CONFIG_SCSI_GENERIC_NCR5380 is not set
+# CONFIG_SCSI_GENERIC_NCR5380_MMIO is not set
+# CONFIG_SCSI_PPA is not set
+# CONFIG_SCSI_IMM is not set
+# CONFIG_SCSI_NCR53C406A is not set
+# CONFIG_SCSI_PAS16 is not set
+# CONFIG_SCSI_QLOGIC_FAS is not set
+# CONFIG_SCSI_SYM53C416 is not set
+# CONFIG_SCSI_T128 is not set
+# CONFIG_SCSI_DEBUG is not set
# CONFIG_ATA is not set
-
-#
-# Multi-device support (RAID and LVM)
-#
+CONFIG_HAVE_PATA_PLATFORM=y
# CONFIG_MD is not set
-
-#
-# Fusion MPT device support
-#
-# CONFIG_FUSION is not set
-
-#
-# IEEE 1394 (FireWire) support
-#
-
-#
-# I2O device support
-#
-
-#
-# Network device support
-#
CONFIG_NETDEVICES=y
+# CONFIG_NETDEVICES_MULTIQUEUE is not set
# CONFIG_DUMMY is not set
# CONFIG_BONDING is not set
+# CONFIG_MACVLAN is not set
# CONFIG_EQUALIZER is not set
# CONFIG_TUN is not set
-
-#
-# ARCnet devices
-#
+# CONFIG_VETH is not set
# CONFIG_ARCNET is not set
-
-#
-# PHY device support
-#
# CONFIG_PHYLIB is not set
-
-#
-# Ethernet (10 or 100Mbit)
-#
CONFIG_NET_ETHERNET=y
CONFIG_MII=y
+# CONFIG_AX88796 is not set
# CONFIG_NET_VENDOR_3COM is not set
# CONFIG_NET_VENDOR_SMC is not set
# CONFIG_SMC91X is not set
CONFIG_DM9000=y
+# CONFIG_ENC28J60 is not set
+CONFIG_DM9000_DEBUGLEVEL=4
# CONFIG_NET_VENDOR_RACAL is not set
# CONFIG_AT1700 is not set
# CONFIG_DEPCA is not set
# CONFIG_HP100 is not set
# CONFIG_NET_ISA is not set
+# CONFIG_IBM_NEW_EMAC_ZMII is not set
+# CONFIG_IBM_NEW_EMAC_RGMII is not set
+# CONFIG_IBM_NEW_EMAC_TAH is not set
+# CONFIG_IBM_NEW_EMAC_EMAC4 is not set
# CONFIG_NET_PCI is not set
+# CONFIG_B44 is not set
# CONFIG_NET_POCKET is not set
-
-#
-# Ethernet (1000 Mbit)
-#
-
-#
-# Ethernet (10000 Mbit)
-#
-
-#
-# Token Ring devices
-#
+CONFIG_NETDEV_1000=y
+# CONFIG_E1000E_ENABLED is not set
+CONFIG_NETDEV_10000=y
# CONFIG_TR is not set
#
-# Wireless LAN (non-hamradio)
+# Wireless LAN
#
-# CONFIG_NET_RADIO is not set
+# CONFIG_WLAN_PRE80211 is not set
+# CONFIG_WLAN_80211 is not set
+# CONFIG_IWLWIFI_LEDS is not set
#
-# Wan interfaces
+# USB Network Adapters
#
+# CONFIG_USB_CATC is not set
+# CONFIG_USB_KAWETH is not set
+# CONFIG_USB_PEGASUS is not set
+# CONFIG_USB_RTL8150 is not set
+# CONFIG_USB_USBNET is not set
# CONFIG_WAN is not set
# CONFIG_PLIP is not set
# CONFIG_PPP is not set
# CONFIG_SLIP is not set
-# CONFIG_SHAPER is not set
# CONFIG_NETCONSOLE is not set
# CONFIG_NETPOLL is not set
# CONFIG_NET_POLL_CONTROLLER is not set
-
-#
-# ISDN subsystem
-#
# CONFIG_ISDN is not set
#
@@ -669,6 +779,7 @@ CONFIG_DM9000=y
#
CONFIG_INPUT=y
# CONFIG_INPUT_FF_MEMLESS is not set
+# CONFIG_INPUT_POLLDEV is not set
#
# Userland interfaces
@@ -678,7 +789,6 @@ CONFIG_INPUT_MOUSEDEV_PSAUX=y
CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
# CONFIG_INPUT_JOYDEV is not set
-# CONFIG_INPUT_TSDEV is not set
# CONFIG_INPUT_EVDEV is not set
# CONFIG_INPUT_EVBUG is not set
@@ -695,12 +805,21 @@ CONFIG_KEYBOARD_ATKBD=y
# CONFIG_KEYBOARD_GPIO is not set
CONFIG_INPUT_MOUSE=y
CONFIG_MOUSE_PS2=y
+CONFIG_MOUSE_PS2_ALPS=y
+CONFIG_MOUSE_PS2_LOGIPS2PP=y
+CONFIG_MOUSE_PS2_SYNAPTICS=y
+CONFIG_MOUSE_PS2_LIFEBOOK=y
+CONFIG_MOUSE_PS2_TRACKPOINT=y
+# CONFIG_MOUSE_PS2_TOUCHKIT is not set
# CONFIG_MOUSE_SERIAL is not set
+# CONFIG_MOUSE_APPLETOUCH is not set
# CONFIG_MOUSE_INPORT is not set
# CONFIG_MOUSE_LOGIBM is not set
# CONFIG_MOUSE_PC110PAD is not set
# CONFIG_MOUSE_VSXXXAA is not set
+# CONFIG_MOUSE_GPIO is not set
# CONFIG_INPUT_JOYSTICK is not set
+# CONFIG_INPUT_TABLET is not set
# CONFIG_INPUT_TOUCHSCREEN is not set
# CONFIG_INPUT_MISC is not set
@@ -721,6 +840,7 @@ CONFIG_VT=y
CONFIG_VT_CONSOLE=y
CONFIG_HW_CONSOLE=y
# CONFIG_VT_HW_CONSOLE_BINDING is not set
+CONFIG_DEVKMEM=y
CONFIG_SERIAL_NONSTANDARD=y
# CONFIG_COMPUTONE is not set
# CONFIG_ROCKETPORT is not set
@@ -728,8 +848,6 @@ CONFIG_SERIAL_NONSTANDARD=y
# CONFIG_DIGIEPCA is not set
# CONFIG_MOXA_INTELLIO is not set
# CONFIG_MOXA_SMARTIO is not set
-# CONFIG_MOXA_SMARTIO_NEW is not set
-# CONFIG_SYNCLINKMP is not set
# CONFIG_N_HDLC is not set
# CONFIG_RISCOM8 is not set
# CONFIG_SPECIALIX is not set
@@ -758,8 +876,12 @@ CONFIG_SERIAL_8250_SHARE_IRQ=y
#
# Non-8250 serial port support
#
+CONFIG_SERIAL_SAMSUNG=y
+# CONFIG_SERIAL_SAMSUNG_DEBUG is not set
+CONFIG_SERIAL_SAMSUNG_CONSOLE=y
CONFIG_SERIAL_S3C2410=y
-CONFIG_SERIAL_S3C2410_CONSOLE=y
+CONFIG_SERIAL_S3C2412=y
+CONFIG_SERIAL_S3C2440=y
CONFIG_SERIAL_CORE=y
CONFIG_SERIAL_CORE_CONSOLE=y
CONFIG_UNIX98_PTYS=y
@@ -768,89 +890,50 @@ CONFIG_LEGACY_PTY_COUNT=256
CONFIG_PRINTER=y
# CONFIG_LP_CONSOLE is not set
CONFIG_PPDEV=y
-# CONFIG_TIPAR is not set
-
-#
-# IPMI
-#
# CONFIG_IPMI_HANDLER is not set
-
-#
-# Watchdog Cards
-#
-CONFIG_WATCHDOG=y
-# CONFIG_WATCHDOG_NOWAYOUT is not set
-
-#
-# Watchdog Device Drivers
-#
-# CONFIG_SOFT_WATCHDOG is not set
-CONFIG_S3C2410_WATCHDOG=y
-
-#
-# ISA-based Watchdog Cards
-#
-# CONFIG_PCWATCHDOG is not set
-# CONFIG_MIXCOMWD is not set
-# CONFIG_WDT is not set
-
-#
-# USB-based Watchdog Cards
-#
-# CONFIG_USBPCWATCHDOG is not set
CONFIG_HW_RANDOM=y
# CONFIG_NVRAM is not set
# CONFIG_DTLK is not set
# CONFIG_R3964 is not set
# CONFIG_RAW_DRIVER is not set
-
-#
-# TPM devices
-#
# CONFIG_TCG_TPM is not set
-
-#
-# I2C support
-#
+CONFIG_DEVPORT=y
CONFIG_I2C=y
+CONFIG_I2C_BOARDINFO=y
CONFIG_I2C_CHARDEV=m
-
-#
-# I2C Algorithms
-#
-CONFIG_I2C_ALGOBIT=m
-# CONFIG_I2C_ALGOPCF is not set
-# CONFIG_I2C_ALGOPCA is not set
+CONFIG_I2C_ALGOBIT=y
#
# I2C Hardware Bus support
#
# CONFIG_I2C_ELEKTOR is not set
+# CONFIG_I2C_GPIO is not set
# CONFIG_I2C_OCORES is not set
# CONFIG_I2C_PARPORT is not set
# CONFIG_I2C_PARPORT_LIGHT is not set
CONFIG_I2C_S3C2410=y
+CONFIG_I2C_SIMTEC=y
+# CONFIG_I2C_TAOS_EVM is not set
# CONFIG_I2C_STUB is not set
+# CONFIG_I2C_TINY_USB is not set
# CONFIG_I2C_PCA_ISA is not set
+# CONFIG_I2C_PCA_PLATFORM is not set
#
# Miscellaneous I2C Chip support
#
-# CONFIG_SENSORS_DS1337 is not set
-# CONFIG_SENSORS_DS1374 is not set
+# CONFIG_DS1682 is not set
CONFIG_SENSORS_EEPROM=m
# CONFIG_SENSORS_PCF8574 is not set
-# CONFIG_SENSORS_PCA9539 is not set
+# CONFIG_PCF8575 is not set
# CONFIG_SENSORS_PCF8591 is not set
+# CONFIG_TPS65010 is not set
# CONFIG_SENSORS_MAX6875 is not set
+# CONFIG_SENSORS_TSL2550 is not set
# CONFIG_I2C_DEBUG_CORE is not set
# CONFIG_I2C_DEBUG_ALGO is not set
# CONFIG_I2C_DEBUG_BUS is not set
# CONFIG_I2C_DEBUG_CHIP is not set
-
-#
-# SPI support
-#
CONFIG_SPI=y
# CONFIG_SPI_DEBUG is not set
CONFIG_SPI_MASTER=y
@@ -860,6 +943,7 @@ CONFIG_SPI_MASTER=y
#
CONFIG_SPI_BITBANG=m
# CONFIG_SPI_BUTTERFLY is not set
+# CONFIG_SPI_LM70_LLP is not set
CONFIG_SPI_S3C24XX=m
CONFIG_SPI_S3C24XX_GPIO=m
@@ -867,30 +951,43 @@ CONFIG_SPI_S3C24XX_GPIO=m
# SPI Protocol Masters
#
# CONFIG_SPI_AT25 is not set
+# CONFIG_SPI_SPIDEV is not set
+# CONFIG_SPI_TLE62X0 is not set
+CONFIG_HAVE_GPIO_LIB=y
#
-# Dallas's 1-wire bus
+# GPIO Support
#
-# CONFIG_W1 is not set
+# CONFIG_DEBUG_GPIO is not set
#
-# Hardware Monitoring support
+# I2C GPIO expanders:
+#
+# CONFIG_GPIO_PCA953X is not set
+# CONFIG_GPIO_PCF857X is not set
+
#
+# SPI GPIO expanders:
+#
+# CONFIG_GPIO_MCP23S08 is not set
+# CONFIG_W1 is not set
+# CONFIG_POWER_SUPPLY is not set
CONFIG_HWMON=y
CONFIG_HWMON_VID=m
-# CONFIG_SENSORS_ABITUGURU is not set
+# CONFIG_SENSORS_AD7418 is not set
# CONFIG_SENSORS_ADM1021 is not set
# CONFIG_SENSORS_ADM1025 is not set
# CONFIG_SENSORS_ADM1026 is not set
# CONFIG_SENSORS_ADM1029 is not set
# CONFIG_SENSORS_ADM1031 is not set
# CONFIG_SENSORS_ADM9240 is not set
-# CONFIG_SENSORS_ASB100 is not set
+# CONFIG_SENSORS_ADT7470 is not set
+# CONFIG_SENSORS_ADT7473 is not set
# CONFIG_SENSORS_ATXP1 is not set
# CONFIG_SENSORS_DS1621 is not set
# CONFIG_SENSORS_F71805F is not set
-# CONFIG_SENSORS_FSCHER is not set
-# CONFIG_SENSORS_FSCPOS is not set
+# CONFIG_SENSORS_F71882FG is not set
+# CONFIG_SENSORS_F75375S is not set
# CONFIG_SENSORS_GL518SM is not set
# CONFIG_SENSORS_GL520SM is not set
# CONFIG_SENSORS_IT87 is not set
@@ -905,72 +1002,95 @@ CONFIG_SENSORS_LM85=m
# CONFIG_SENSORS_LM87 is not set
# CONFIG_SENSORS_LM90 is not set
# CONFIG_SENSORS_LM92 is not set
+# CONFIG_SENSORS_LM93 is not set
# CONFIG_SENSORS_MAX1619 is not set
+# CONFIG_SENSORS_MAX6650 is not set
# CONFIG_SENSORS_PC87360 is not set
# CONFIG_SENSORS_PC87427 is not set
+# CONFIG_SENSORS_DME1737 is not set
# CONFIG_SENSORS_SMSC47M1 is not set
# CONFIG_SENSORS_SMSC47M192 is not set
# CONFIG_SENSORS_SMSC47B397 is not set
+# CONFIG_SENSORS_ADS7828 is not set
+# CONFIG_SENSORS_THMC50 is not set
# CONFIG_SENSORS_VT1211 is not set
# CONFIG_SENSORS_W83781D is not set
# CONFIG_SENSORS_W83791D is not set
# CONFIG_SENSORS_W83792D is not set
# CONFIG_SENSORS_W83793 is not set
# CONFIG_SENSORS_W83L785TS is not set
+# CONFIG_SENSORS_W83L786NG is not set
# CONFIG_SENSORS_W83627HF is not set
# CONFIG_SENSORS_W83627EHF is not set
# CONFIG_HWMON_DEBUG_CHIP is not set
+CONFIG_WATCHDOG=y
+# CONFIG_WATCHDOG_NOWAYOUT is not set
#
-# Misc devices
+# Watchdog Device Drivers
#
+# CONFIG_SOFT_WATCHDOG is not set
+CONFIG_S3C2410_WATCHDOG=y
#
-# Multifunction device drivers
+# ISA-based Watchdog Cards
#
-# CONFIG_MFD_SM501 is not set
+# CONFIG_PCWATCHDOG is not set
+# CONFIG_MIXCOMWD is not set
+# CONFIG_WDT is not set
#
-# LED devices
+# USB-based Watchdog Cards
#
-CONFIG_NEW_LEDS=y
-CONFIG_LEDS_CLASS=m
+# CONFIG_USBPCWATCHDOG is not set
#
-# LED drivers
+# Sonics Silicon Backplane
#
-CONFIG_LEDS_S3C24XX=m
-CONFIG_LEDS_H1940=m
+CONFIG_SSB_POSSIBLE=y
+# CONFIG_SSB is not set
#
-# LED Triggers
+# Multifunction device drivers
#
-CONFIG_LEDS_TRIGGERS=y
-CONFIG_LEDS_TRIGGER_TIMER=m
-# CONFIG_LEDS_TRIGGER_IDE_DISK is not set
-CONFIG_LEDS_TRIGGER_HEARTBEAT=m
+CONFIG_MFD_SM501=y
+# CONFIG_MFD_ASIC3 is not set
+# CONFIG_HTC_EGPIO is not set
+# CONFIG_HTC_PASIC3 is not set
#
# Multimedia devices
#
+
+#
+# Multimedia core support
+#
# CONFIG_VIDEO_DEV is not set
+# CONFIG_DVB_CORE is not set
+# CONFIG_VIDEO_MEDIA is not set
#
-# Digital Video Broadcasting Devices
+# Multimedia drivers
#
-# CONFIG_DVB is not set
-# CONFIG_USB_DABUSB is not set
+# CONFIG_DAB is not set
#
# Graphics support
#
-# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+# CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
CONFIG_FB=y
CONFIG_FIRMWARE_EDID=y
# CONFIG_FB_DDC is not set
CONFIG_FB_CFB_FILLRECT=y
CONFIG_FB_CFB_COPYAREA=y
CONFIG_FB_CFB_IMAGEBLIT=y
+# CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set
+# CONFIG_FB_SYS_FILLRECT is not set
+# CONFIG_FB_SYS_COPYAREA is not set
+# CONFIG_FB_SYS_IMAGEBLIT is not set
+# CONFIG_FB_FOREIGN_ENDIAN is not set
+# CONFIG_FB_SYS_FOPS is not set
# CONFIG_FB_SVGALIB is not set
# CONFIG_FB_MACMODES is not set
# CONFIG_FB_BACKLIGHT is not set
@@ -978,12 +1098,19 @@ CONFIG_FB_MODE_HELPERS=y
# CONFIG_FB_TILEBLITTING is not set
#
-# Frambuffer hardware drivers
+# Frame buffer hardware drivers
#
# CONFIG_FB_S1D13XXX is not set
CONFIG_FB_S3C2410=y
# CONFIG_FB_S3C2410_DEBUG is not set
+CONFIG_FB_SM501=y
# CONFIG_FB_VIRTUAL is not set
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+
+#
+# Display device support
+#
+# CONFIG_DISPLAY_SUPPORT is not set
#
# Console display driver support
@@ -992,40 +1119,45 @@ CONFIG_FB_S3C2410=y
# CONFIG_MDA_CONSOLE is not set
CONFIG_DUMMY_CONSOLE=y
CONFIG_FRAMEBUFFER_CONSOLE=y
+# CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY is not set
# CONFIG_FRAMEBUFFER_CONSOLE_ROTATION is not set
# CONFIG_FONTS is not set
CONFIG_FONT_8x8=y
CONFIG_FONT_8x16=y
-
-#
-# Logo configuration
-#
# CONFIG_LOGO is not set
#
# Sound
#
# CONFIG_SOUND is not set
+CONFIG_HID_SUPPORT=y
+CONFIG_HID=y
+# CONFIG_HID_DEBUG is not set
+# CONFIG_HIDRAW is not set
#
-# HID Devices
+# USB Input Devices
#
-CONFIG_HID=y
-# CONFIG_HID_DEBUG is not set
+# CONFIG_USB_HID is not set
#
-# USB support
+# USB HID Boot Protocol drivers
#
+# CONFIG_USB_KBD is not set
+# CONFIG_USB_MOUSE is not set
+CONFIG_USB_SUPPORT=y
CONFIG_USB_ARCH_HAS_HCD=y
CONFIG_USB_ARCH_HAS_OHCI=y
# CONFIG_USB_ARCH_HAS_EHCI is not set
CONFIG_USB=y
# CONFIG_USB_DEBUG is not set
+# CONFIG_USB_ANNOUNCE_NEW_DEVICES is not set
#
# Miscellaneous USB options
#
CONFIG_USB_DEVICEFS=y
+CONFIG_USB_DEVICE_CLASS=y
# CONFIG_USB_DYNAMIC_MINORS is not set
# CONFIG_USB_SUSPEND is not set
# CONFIG_USB_OTG is not set
@@ -1033,18 +1165,22 @@ CONFIG_USB_DEVICEFS=y
#
# USB Host Controller Drivers
#
+# CONFIG_USB_C67X00_HCD is not set
# CONFIG_USB_ISP116X_HCD is not set
+# CONFIG_USB_ISP1760_HCD is not set
CONFIG_USB_OHCI_HCD=y
# CONFIG_USB_OHCI_BIG_ENDIAN_DESC is not set
# CONFIG_USB_OHCI_BIG_ENDIAN_MMIO is not set
CONFIG_USB_OHCI_LITTLE_ENDIAN=y
# CONFIG_USB_SL811_HCD is not set
+# CONFIG_USB_R8A66597_HCD is not set
#
# USB Device Class drivers
#
-# CONFIG_USB_ACM is not set
-# CONFIG_USB_PRINTER is not set
+CONFIG_USB_ACM=m
+CONFIG_USB_PRINTER=m
+CONFIG_USB_WDM=m
#
# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
@@ -1053,57 +1189,78 @@ CONFIG_USB_OHCI_LITTLE_ENDIAN=y
#
# may also be needed; see USB_STORAGE Help for more information
#
-# CONFIG_USB_LIBUSUAL is not set
-
-#
-# USB Input Devices
-#
-# CONFIG_USB_HID is not set
-
-#
-# USB HID Boot Protocol drivers
-#
-# CONFIG_USB_KBD is not set
-# CONFIG_USB_MOUSE is not set
-# CONFIG_USB_AIPTEK is not set
-# CONFIG_USB_WACOM is not set
-# CONFIG_USB_ACECAD is not set
-# CONFIG_USB_KBTAB is not set
-# CONFIG_USB_POWERMATE is not set
-# CONFIG_USB_TOUCHSCREEN is not set
-# CONFIG_USB_YEALINK is not set
-# CONFIG_USB_XPAD is not set
-# CONFIG_USB_ATI_REMOTE is not set
-# CONFIG_USB_ATI_REMOTE2 is not set
-# CONFIG_USB_KEYSPAN_REMOTE is not set
-# CONFIG_USB_APPLETOUCH is not set
-# CONFIG_USB_GTCO is not set
+CONFIG_USB_STORAGE=m
+# CONFIG_USB_STORAGE_DEBUG is not set
+# CONFIG_USB_STORAGE_DATAFAB is not set
+# CONFIG_USB_STORAGE_FREECOM is not set
+# CONFIG_USB_STORAGE_ISD200 is not set
+# CONFIG_USB_STORAGE_DPCM is not set
+# CONFIG_USB_STORAGE_USBAT is not set
+# CONFIG_USB_STORAGE_SDDR09 is not set
+# CONFIG_USB_STORAGE_SDDR55 is not set
+# CONFIG_USB_STORAGE_JUMPSHOT is not set
+# CONFIG_USB_STORAGE_ALAUDA is not set
+# CONFIG_USB_STORAGE_ONETOUCH is not set
+# CONFIG_USB_STORAGE_KARMA is not set
+# CONFIG_USB_STORAGE_CYPRESS_ATACB is not set
+CONFIG_USB_LIBUSUAL=y
#
# USB Imaging devices
#
# CONFIG_USB_MDC800 is not set
-
-#
-# USB Network Adapters
-#
-# CONFIG_USB_CATC is not set
-# CONFIG_USB_KAWETH is not set
-# CONFIG_USB_PEGASUS is not set
-# CONFIG_USB_RTL8150 is not set
-# CONFIG_USB_USBNET_MII is not set
-# CONFIG_USB_USBNET is not set
+# CONFIG_USB_MICROTEK is not set
CONFIG_USB_MON=y
#
# USB port drivers
#
# CONFIG_USB_USS720 is not set
-
-#
-# USB Serial Converter support
-#
-# CONFIG_USB_SERIAL is not set
+CONFIG_USB_SERIAL=y
+# CONFIG_USB_SERIAL_CONSOLE is not set
+# CONFIG_USB_EZUSB is not set
+CONFIG_USB_SERIAL_GENERIC=y
+# CONFIG_USB_SERIAL_AIRCABLE is not set
+# CONFIG_USB_SERIAL_AIRPRIME is not set
+# CONFIG_USB_SERIAL_ARK3116 is not set
+# CONFIG_USB_SERIAL_BELKIN is not set
+# CONFIG_USB_SERIAL_CH341 is not set
+# CONFIG_USB_SERIAL_WHITEHEAT is not set
+# CONFIG_USB_SERIAL_DIGI_ACCELEPORT is not set
+# CONFIG_USB_SERIAL_CP2101 is not set
+# CONFIG_USB_SERIAL_CYPRESS_M8 is not set
+# CONFIG_USB_SERIAL_EMPEG is not set
+CONFIG_USB_SERIAL_FTDI_SIO=y
+# CONFIG_USB_SERIAL_FUNSOFT is not set
+# CONFIG_USB_SERIAL_VISOR is not set
+# CONFIG_USB_SERIAL_IPAQ is not set
+# CONFIG_USB_SERIAL_IR is not set
+# CONFIG_USB_SERIAL_EDGEPORT is not set
+# CONFIG_USB_SERIAL_EDGEPORT_TI is not set
+# CONFIG_USB_SERIAL_GARMIN is not set
+# CONFIG_USB_SERIAL_IPW is not set
+# CONFIG_USB_SERIAL_IUU is not set
+# CONFIG_USB_SERIAL_KEYSPAN_PDA is not set
+# CONFIG_USB_SERIAL_KEYSPAN is not set
+# CONFIG_USB_SERIAL_KLSI is not set
+# CONFIG_USB_SERIAL_KOBIL_SCT is not set
+# CONFIG_USB_SERIAL_MCT_U232 is not set
+# CONFIG_USB_SERIAL_MOS7720 is not set
+# CONFIG_USB_SERIAL_MOS7840 is not set
+# CONFIG_USB_SERIAL_MOTOROLA is not set
+CONFIG_USB_SERIAL_NAVMAN=m
+CONFIG_USB_SERIAL_PL2303=y
+# CONFIG_USB_SERIAL_OTI6858 is not set
+# CONFIG_USB_SERIAL_SPCP8X5 is not set
+# CONFIG_USB_SERIAL_HP4X is not set
+# CONFIG_USB_SERIAL_SAFE is not set
+# CONFIG_USB_SERIAL_SIERRAWIRELESS is not set
+# CONFIG_USB_SERIAL_TI is not set
+# CONFIG_USB_SERIAL_CYBERJACK is not set
+# CONFIG_USB_SERIAL_XIRCOM is not set
+CONFIG_USB_SERIAL_OPTION=m
+# CONFIG_USB_SERIAL_OMNINET is not set
+# CONFIG_USB_SERIAL_DEBUG is not set
#
# USB Miscellaneous drivers
@@ -1116,35 +1273,38 @@ CONFIG_USB_MON=y
# CONFIG_USB_LEGOTOWER is not set
# CONFIG_USB_LCD is not set
# CONFIG_USB_BERRY_CHARGE is not set
-# CONFIG_USB_LED is not set
+CONFIG_USB_LED=m
# CONFIG_USB_CYPRESS_CY7C63 is not set
# CONFIG_USB_CYTHERM is not set
# CONFIG_USB_PHIDGET is not set
# CONFIG_USB_IDMOUSE is not set
# CONFIG_USB_FTDI_ELAN is not set
# CONFIG_USB_APPLEDISPLAY is not set
-# CONFIG_USB_LD is not set
+CONFIG_USB_LD=m
# CONFIG_USB_TRANCEVIBRATOR is not set
# CONFIG_USB_IOWARRIOR is not set
# CONFIG_USB_TEST is not set
-
-#
-# USB DSL modem support
-#
-
-#
-# USB Gadget Support
-#
+# CONFIG_USB_ISIGHTFW is not set
# CONFIG_USB_GADGET is not set
+# CONFIG_MMC is not set
+CONFIG_NEW_LEDS=y
+CONFIG_LEDS_CLASS=m
#
-# MMC/SD Card support
+# LED drivers
#
-# CONFIG_MMC is not set
+CONFIG_LEDS_S3C24XX=m
+CONFIG_LEDS_H1940=m
+# CONFIG_LEDS_GPIO is not set
#
-# Real Time Clock
+# LED Triggers
#
+CONFIG_LEDS_TRIGGERS=y
+CONFIG_LEDS_TRIGGER_TIMER=m
+# CONFIG_LEDS_TRIGGER_IDE_DISK is not set
+CONFIG_LEDS_TRIGGER_HEARTBEAT=m
+# CONFIG_LEDS_TRIGGER_DEFAULT_ON is not set
CONFIG_RTC_LIB=y
CONFIG_RTC_CLASS=y
CONFIG_RTC_HCTOSYS=y
@@ -1158,61 +1318,86 @@ CONFIG_RTC_INTF_SYSFS=y
CONFIG_RTC_INTF_PROC=y
CONFIG_RTC_INTF_DEV=y
# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set
+# CONFIG_RTC_DRV_TEST is not set
#
-# RTC drivers
+# I2C RTC drivers
#
-# CONFIG_RTC_DRV_CMOS is not set
-# CONFIG_RTC_DRV_X1205 is not set
# CONFIG_RTC_DRV_DS1307 is not set
-# CONFIG_RTC_DRV_DS1553 is not set
-# CONFIG_RTC_DRV_ISL1208 is not set
+# CONFIG_RTC_DRV_DS1374 is not set
# CONFIG_RTC_DRV_DS1672 is not set
-# CONFIG_RTC_DRV_DS1742 is not set
+# CONFIG_RTC_DRV_MAX6900 is not set
+# CONFIG_RTC_DRV_RS5C372 is not set
+# CONFIG_RTC_DRV_ISL1208 is not set
+# CONFIG_RTC_DRV_X1205 is not set
# CONFIG_RTC_DRV_PCF8563 is not set
+# CONFIG_RTC_DRV_PCF8583 is not set
+# CONFIG_RTC_DRV_M41T80 is not set
+# CONFIG_RTC_DRV_S35390A is not set
+# CONFIG_RTC_DRV_FM3130 is not set
+
+#
+# SPI RTC drivers
+#
+# CONFIG_RTC_DRV_MAX6902 is not set
+# CONFIG_RTC_DRV_R9701 is not set
# CONFIG_RTC_DRV_RS5C348 is not set
-# CONFIG_RTC_DRV_RS5C372 is not set
-CONFIG_RTC_DRV_S3C=y
+
+#
+# Platform RTC drivers
+#
+# CONFIG_RTC_DRV_CMOS is not set
+# CONFIG_RTC_DRV_DS1511 is not set
+# CONFIG_RTC_DRV_DS1553 is not set
+# CONFIG_RTC_DRV_DS1742 is not set
+# CONFIG_RTC_DRV_STK17TA8 is not set
# CONFIG_RTC_DRV_M48T86 is not set
-# CONFIG_RTC_DRV_TEST is not set
-# CONFIG_RTC_DRV_MAX6902 is not set
+# CONFIG_RTC_DRV_M48T59 is not set
# CONFIG_RTC_DRV_V3020 is not set
#
+# on-CPU RTC drivers
+#
+CONFIG_RTC_DRV_S3C=y
+# CONFIG_UIO is not set
+
+#
# File systems
#
CONFIG_EXT2_FS=y
-# CONFIG_EXT2_FS_XATTR is not set
+CONFIG_EXT2_FS_XATTR=y
+CONFIG_EXT2_FS_POSIX_ACL=y
+CONFIG_EXT2_FS_SECURITY=y
# CONFIG_EXT2_FS_XIP is not set
CONFIG_EXT3_FS=y
CONFIG_EXT3_FS_XATTR=y
-# CONFIG_EXT3_FS_POSIX_ACL is not set
+CONFIG_EXT3_FS_POSIX_ACL=y
# CONFIG_EXT3_FS_SECURITY is not set
# CONFIG_EXT4DEV_FS is not set
CONFIG_JBD=y
-# CONFIG_JBD_DEBUG is not set
CONFIG_FS_MBCACHE=y
# CONFIG_REISERFS_FS is not set
# CONFIG_JFS_FS is not set
-# CONFIG_FS_POSIX_ACL is not set
+CONFIG_FS_POSIX_ACL=y
# CONFIG_XFS_FS is not set
-# CONFIG_GFS2_FS is not set
# CONFIG_OCFS2_FS is not set
-# CONFIG_MINIX_FS is not set
-CONFIG_ROMFS_FS=y
+CONFIG_DNOTIFY=y
CONFIG_INOTIFY=y
CONFIG_INOTIFY_USER=y
# CONFIG_QUOTA is not set
-CONFIG_DNOTIFY=y
# CONFIG_AUTOFS_FS is not set
# CONFIG_AUTOFS4_FS is not set
# CONFIG_FUSE_FS is not set
+CONFIG_GENERIC_ACL=y
#
# CD-ROM/DVD Filesystems
#
-# CONFIG_ISO9660_FS is not set
-# CONFIG_UDF_FS is not set
+CONFIG_ISO9660_FS=y
+CONFIG_JOLIET=y
+# CONFIG_ZISOFS is not set
+CONFIG_UDF_FS=m
+CONFIG_UDF_NLS=y
#
# DOS/FAT/NT Filesystems
@@ -1222,7 +1407,9 @@ CONFIG_MSDOS_FS=y
CONFIG_VFAT_FS=y
CONFIG_FAT_DEFAULT_CODEPAGE=437
CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
-# CONFIG_NTFS_FS is not set
+CONFIG_NTFS_FS=m
+# CONFIG_NTFS_DEBUG is not set
+# CONFIG_NTFS_RW is not set
#
# Pseudo filesystems
@@ -1230,10 +1417,10 @@ CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
CONFIG_PROC_FS=y
CONFIG_PROC_SYSCTL=y
CONFIG_SYSFS=y
-# CONFIG_TMPFS is not set
+CONFIG_TMPFS=y
+CONFIG_TMPFS_POSIX_ACL=y
# CONFIG_HUGETLB_PAGE is not set
-CONFIG_RAMFS=y
-# CONFIG_CONFIGFS_FS is not set
+CONFIG_CONFIGFS_FS=m
#
# Miscellaneous filesystems
@@ -1248,31 +1435,32 @@ CONFIG_RAMFS=y
CONFIG_JFFS2_FS=y
CONFIG_JFFS2_FS_DEBUG=0
CONFIG_JFFS2_FS_WRITEBUFFER=y
-# CONFIG_JFFS2_SUMMARY is not set
+# CONFIG_JFFS2_FS_WBUF_VERIFY is not set
+CONFIG_JFFS2_SUMMARY=y
# CONFIG_JFFS2_FS_XATTR is not set
# CONFIG_JFFS2_COMPRESSION_OPTIONS is not set
CONFIG_JFFS2_ZLIB=y
+# CONFIG_JFFS2_LZO is not set
CONFIG_JFFS2_RTIME=y
# CONFIG_JFFS2_RUBIN is not set
CONFIG_CRAMFS=y
# CONFIG_VXFS_FS is not set
+# CONFIG_MINIX_FS is not set
# CONFIG_HPFS_FS is not set
# CONFIG_QNX4FS_FS is not set
+CONFIG_ROMFS_FS=y
# CONFIG_SYSV_FS is not set
# CONFIG_UFS_FS is not set
-
-#
-# Network File Systems
-#
+CONFIG_NETWORK_FILESYSTEMS=y
CONFIG_NFS_FS=y
# CONFIG_NFS_V3 is not set
# CONFIG_NFS_V4 is not set
-# CONFIG_NFS_DIRECTIO is not set
# CONFIG_NFSD is not set
CONFIG_ROOT_NFS=y
CONFIG_LOCKD=y
CONFIG_NFS_COMMON=y
CONFIG_SUNRPC=y
+# CONFIG_SUNRPC_BIND34 is not set
# CONFIG_RPCSEC_GSS_KRB5 is not set
# CONFIG_RPCSEC_GSS_SPKM3 is not set
# CONFIG_SMB_FS is not set
@@ -1280,7 +1468,6 @@ CONFIG_SUNRPC=y
# CONFIG_NCP_FS is not set
# CONFIG_CODA_FS is not set
# CONFIG_AFS_FS is not set
-# CONFIG_9P_FS is not set
#
# Partition Types
@@ -1302,94 +1489,93 @@ CONFIG_SOLARIS_X86_PARTITION=y
# CONFIG_SUN_PARTITION is not set
# CONFIG_KARMA_PARTITION is not set
# CONFIG_EFI_PARTITION is not set
-
-#
-# Native Language Support
-#
+# CONFIG_SYSV68_PARTITION is not set
CONFIG_NLS=y
CONFIG_NLS_DEFAULT="iso8859-1"
-# CONFIG_NLS_CODEPAGE_437 is not set
-# CONFIG_NLS_CODEPAGE_737 is not set
-# CONFIG_NLS_CODEPAGE_775 is not set
-# CONFIG_NLS_CODEPAGE_850 is not set
-# CONFIG_NLS_CODEPAGE_852 is not set
-# CONFIG_NLS_CODEPAGE_855 is not set
-# CONFIG_NLS_CODEPAGE_857 is not set
-# CONFIG_NLS_CODEPAGE_860 is not set
-# CONFIG_NLS_CODEPAGE_861 is not set
-# CONFIG_NLS_CODEPAGE_862 is not set
-# CONFIG_NLS_CODEPAGE_863 is not set
-# CONFIG_NLS_CODEPAGE_864 is not set
-# CONFIG_NLS_CODEPAGE_865 is not set
-# CONFIG_NLS_CODEPAGE_866 is not set
-# CONFIG_NLS_CODEPAGE_869 is not set
-# CONFIG_NLS_CODEPAGE_936 is not set
-# CONFIG_NLS_CODEPAGE_950 is not set
-# CONFIG_NLS_CODEPAGE_932 is not set
-# CONFIG_NLS_CODEPAGE_949 is not set
-# CONFIG_NLS_CODEPAGE_874 is not set
-# CONFIG_NLS_ISO8859_8 is not set
-# CONFIG_NLS_CODEPAGE_1250 is not set
-# CONFIG_NLS_CODEPAGE_1251 is not set
-# CONFIG_NLS_ASCII is not set
-# CONFIG_NLS_ISO8859_1 is not set
-# CONFIG_NLS_ISO8859_2 is not set
-# CONFIG_NLS_ISO8859_3 is not set
-# CONFIG_NLS_ISO8859_4 is not set
-# CONFIG_NLS_ISO8859_5 is not set
-# CONFIG_NLS_ISO8859_6 is not set
-# CONFIG_NLS_ISO8859_7 is not set
-# CONFIG_NLS_ISO8859_9 is not set
-# CONFIG_NLS_ISO8859_13 is not set
-# CONFIG_NLS_ISO8859_14 is not set
-# CONFIG_NLS_ISO8859_15 is not set
-# CONFIG_NLS_KOI8_R is not set
-# CONFIG_NLS_KOI8_U is not set
-# CONFIG_NLS_UTF8 is not set
-
-#
-# Distributed Lock Manager
-#
+CONFIG_NLS_CODEPAGE_437=y
+CONFIG_NLS_CODEPAGE_737=m
+CONFIG_NLS_CODEPAGE_775=m
+CONFIG_NLS_CODEPAGE_850=y
+CONFIG_NLS_CODEPAGE_852=m
+CONFIG_NLS_CODEPAGE_855=m
+CONFIG_NLS_CODEPAGE_857=m
+CONFIG_NLS_CODEPAGE_860=m
+CONFIG_NLS_CODEPAGE_861=m
+CONFIG_NLS_CODEPAGE_862=m
+CONFIG_NLS_CODEPAGE_863=m
+CONFIG_NLS_CODEPAGE_864=m
+CONFIG_NLS_CODEPAGE_865=m
+CONFIG_NLS_CODEPAGE_866=m
+CONFIG_NLS_CODEPAGE_869=m
+CONFIG_NLS_CODEPAGE_936=m
+CONFIG_NLS_CODEPAGE_950=m
+CONFIG_NLS_CODEPAGE_932=m
+CONFIG_NLS_CODEPAGE_949=m
+CONFIG_NLS_CODEPAGE_874=m
+CONFIG_NLS_ISO8859_8=m
+CONFIG_NLS_CODEPAGE_1250=m
+CONFIG_NLS_CODEPAGE_1251=m
+CONFIG_NLS_ASCII=y
+CONFIG_NLS_ISO8859_1=y
+CONFIG_NLS_ISO8859_2=m
+CONFIG_NLS_ISO8859_3=m
+CONFIG_NLS_ISO8859_4=m
+CONFIG_NLS_ISO8859_5=m
+CONFIG_NLS_ISO8859_6=m
+CONFIG_NLS_ISO8859_7=m
+CONFIG_NLS_ISO8859_9=m
+CONFIG_NLS_ISO8859_13=m
+CONFIG_NLS_ISO8859_14=m
+CONFIG_NLS_ISO8859_15=m
+CONFIG_NLS_KOI8_R=m
+CONFIG_NLS_KOI8_U=m
+CONFIG_NLS_UTF8=m
# CONFIG_DLM is not set
#
-# Profiling support
-#
-# CONFIG_PROFILING is not set
-
-#
# Kernel hacking
#
# CONFIG_PRINTK_TIME is not set
+CONFIG_ENABLE_WARN_DEPRECATED=y
CONFIG_ENABLE_MUST_CHECK=y
+CONFIG_FRAME_WARN=1024
CONFIG_MAGIC_SYSRQ=y
# CONFIG_UNUSED_SYMBOLS is not set
# CONFIG_DEBUG_FS is not set
# CONFIG_HEADERS_CHECK is not set
CONFIG_DEBUG_KERNEL=y
# CONFIG_DEBUG_SHIRQ is not set
-CONFIG_LOG_BUF_SHIFT=16
CONFIG_DETECT_SOFTLOCKUP=y
+CONFIG_SCHED_DEBUG=y
# CONFIG_SCHEDSTATS is not set
# CONFIG_TIMER_STATS is not set
+# CONFIG_DEBUG_OBJECTS is not set
# CONFIG_DEBUG_SLAB is not set
# CONFIG_DEBUG_RT_MUTEXES is not set
# CONFIG_RT_MUTEX_TESTER is not set
# CONFIG_DEBUG_SPINLOCK is not set
CONFIG_DEBUG_MUTEXES=y
+# CONFIG_DEBUG_LOCK_ALLOC is not set
+# CONFIG_PROVE_LOCKING is not set
+# CONFIG_LOCK_STAT is not set
# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
# CONFIG_DEBUG_KOBJECT is not set
CONFIG_DEBUG_BUGVERBOSE=y
CONFIG_DEBUG_INFO=y
# CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_WRITECOUNT is not set
# CONFIG_DEBUG_LIST is not set
+# CONFIG_DEBUG_SG is not set
CONFIG_FRAME_POINTER=y
-CONFIG_FORCED_INLINING=y
+# CONFIG_BOOT_PRINTK_DELAY is not set
# CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_BACKTRACE_SELF_TEST is not set
# CONFIG_FAULT_INJECTION is not set
+# CONFIG_SAMPLES is not set
CONFIG_DEBUG_USER=y
-# CONFIG_DEBUG_ERRORS is not set
+CONFIG_DEBUG_ERRORS=y
+# CONFIG_DEBUG_STACK_USAGE is not set
CONFIG_DEBUG_LL=y
# CONFIG_DEBUG_ICEDCC is not set
CONFIG_DEBUG_S3C_PORT=y
@@ -1400,21 +1586,100 @@ CONFIG_DEBUG_S3C_UART=0
#
# CONFIG_KEYS is not set
# CONFIG_SECURITY is not set
+# CONFIG_SECURITY_FILE_CAPABILITIES is not set
+CONFIG_CRYPTO=y
+
+#
+# Crypto core or helper
+#
+CONFIG_CRYPTO_ALGAPI=m
+CONFIG_CRYPTO_AEAD=m
+CONFIG_CRYPTO_BLKCIPHER=m
+CONFIG_CRYPTO_HASH=m
+CONFIG_CRYPTO_MANAGER=m
+# CONFIG_CRYPTO_GF128MUL is not set
+# CONFIG_CRYPTO_NULL is not set
+# CONFIG_CRYPTO_CRYPTD is not set
+CONFIG_CRYPTO_AUTHENC=m
+# CONFIG_CRYPTO_TEST is not set
+
+#
+# Authenticated Encryption with Associated Data
+#
+# CONFIG_CRYPTO_CCM is not set
+# CONFIG_CRYPTO_GCM is not set
+# CONFIG_CRYPTO_SEQIV is not set
+
+#
+# Block modes
+#
+CONFIG_CRYPTO_CBC=m
+# CONFIG_CRYPTO_CTR is not set
+# CONFIG_CRYPTO_CTS is not set
+CONFIG_CRYPTO_ECB=m
+# CONFIG_CRYPTO_LRW is not set
+# CONFIG_CRYPTO_PCBC is not set
+# CONFIG_CRYPTO_XTS is not set
+
+#
+# Hash modes
+#
+CONFIG_CRYPTO_HMAC=m
+# CONFIG_CRYPTO_XCBC is not set
+
+#
+# Digest
+#
+# CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_MD4 is not set
+CONFIG_CRYPTO_MD5=m
+# CONFIG_CRYPTO_MICHAEL_MIC is not set
+CONFIG_CRYPTO_SHA1=m
+# CONFIG_CRYPTO_SHA256 is not set
+# CONFIG_CRYPTO_SHA512 is not set
+# CONFIG_CRYPTO_TGR192 is not set
+# CONFIG_CRYPTO_WP512 is not set
+
+#
+# Ciphers
+#
+CONFIG_CRYPTO_AES=m
+# CONFIG_CRYPTO_ANUBIS is not set
+CONFIG_CRYPTO_ARC4=m
+# CONFIG_CRYPTO_BLOWFISH is not set
+# CONFIG_CRYPTO_CAMELLIA is not set
+# CONFIG_CRYPTO_CAST5 is not set
+# CONFIG_CRYPTO_CAST6 is not set
+CONFIG_CRYPTO_DES=m
+# CONFIG_CRYPTO_FCRYPT is not set
+# CONFIG_CRYPTO_KHAZAD is not set
+# CONFIG_CRYPTO_SALSA20 is not set
+# CONFIG_CRYPTO_SEED is not set
+# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_TEA is not set
+# CONFIG_CRYPTO_TWOFISH is not set
#
-# Cryptographic options
+# Compression
#
-# CONFIG_CRYPTO is not set
+CONFIG_CRYPTO_DEFLATE=m
+# CONFIG_CRYPTO_LZO is not set
+CONFIG_CRYPTO_HW=y
#
# Library routines
#
CONFIG_BITREVERSE=y
+# CONFIG_GENERIC_FIND_FIRST_BIT is not set
+# CONFIG_GENERIC_FIND_NEXT_BIT is not set
# CONFIG_CRC_CCITT is not set
# CONFIG_CRC16 is not set
+CONFIG_CRC_ITU_T=m
CONFIG_CRC32=y
+# CONFIG_CRC7 is not set
# CONFIG_LIBCRC32C is not set
CONFIG_ZLIB_INFLATE=y
CONFIG_ZLIB_DEFLATE=y
CONFIG_PLIST=y
CONFIG_HAS_IOMEM=y
+CONFIG_HAS_DMA=y
diff --git a/arch/arm/configs/sam9_l9260_defconfig b/arch/arm/configs/sam9_l9260_defconfig
index 484dc9739df..8688362bcf7 100644
--- a/arch/arm/configs/sam9_l9260_defconfig
+++ b/arch/arm/configs/sam9_l9260_defconfig
@@ -211,7 +211,6 @@ CONFIG_ARM_THUMB=y
#
# CONFIG_TICK_ONESHOT is not set
CONFIG_PREEMPT=y
-# CONFIG_NO_IDLE_HZ is not set
CONFIG_HZ=100
# CONFIG_AEABI is not set
# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
diff --git a/arch/arm/configs/spitz_defconfig b/arch/arm/configs/spitz_defconfig
index aa7a0117950..7d59fb1f1ce 100644
--- a/arch/arm/configs/spitz_defconfig
+++ b/arch/arm/configs/spitz_defconfig
@@ -164,7 +164,6 @@ CONFIG_PCMCIA_PXA2XX=y
# Kernel Features
#
CONFIG_PREEMPT=y
-# CONFIG_NO_IDLE_HZ is not set
# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
CONFIG_SELECT_MEMORY_MODEL=y
CONFIG_FLATMEM_MANUAL=y
diff --git a/arch/arm/configs/tct_hammer_defconfig b/arch/arm/configs/tct_hammer_defconfig
index 576b8339f0d..07dfb98df4f 100644
--- a/arch/arm/configs/tct_hammer_defconfig
+++ b/arch/arm/configs/tct_hammer_defconfig
@@ -247,7 +247,6 @@ CONFIG_ARM_THUMB=y
#
# CONFIG_TICK_ONESHOT is not set
# CONFIG_PREEMPT is not set
-# CONFIG_NO_IDLE_HZ is not set
CONFIG_HZ=200
# CONFIG_AEABI is not set
# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
diff --git a/arch/arm/configs/trizeps4_defconfig b/arch/arm/configs/trizeps4_defconfig
index 6db6392806f..8b7a431a8bf 100644
--- a/arch/arm/configs/trizeps4_defconfig
+++ b/arch/arm/configs/trizeps4_defconfig
@@ -195,7 +195,6 @@ CONFIG_PCMCIA_PXA2XX=y
# Kernel Features
#
CONFIG_PREEMPT=y
-# CONFIG_NO_IDLE_HZ is not set
CONFIG_HZ=100
CONFIG_AEABI=y
CONFIG_OABI_COMPAT=y
diff --git a/arch/arm/configs/usb-a9260_defconfig b/arch/arm/configs/usb-a9260_defconfig
new file mode 100644
index 00000000000..3680bd2df26
--- /dev/null
+++ b/arch/arm/configs/usb-a9260_defconfig
@@ -0,0 +1,1142 @@
+#
+# Automatically generated make config: don't edit
+# Linux kernel version: 2.6.24
+# Tue Apr 15 11:39:35 2008
+#
+CONFIG_ARM=y
+CONFIG_SYS_SUPPORTS_APM_EMULATION=y
+CONFIG_GENERIC_GPIO=y
+CONFIG_GENERIC_TIME=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+CONFIG_MMU=y
+# CONFIG_NO_IOPORT is not set
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
+CONFIG_HARDIRQS_SW_RESEND=y
+CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+# CONFIG_ARCH_HAS_ILOG2_U32 is not set
+# CONFIG_ARCH_HAS_ILOG2_U64 is not set
+CONFIG_GENERIC_HWEIGHT=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_ZONE_DMA=y
+CONFIG_VECTORS_BASE=0xffff0000
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+
+#
+# General setup
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_BROKEN_ON_SMP=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+CONFIG_LOCALVERSION=""
+# CONFIG_LOCALVERSION_AUTO is not set
+# CONFIG_SWAP is not set
+CONFIG_SYSVIPC=y
+CONFIG_SYSVIPC_SYSCTL=y
+# CONFIG_POSIX_MQUEUE is not set
+# CONFIG_BSD_PROCESS_ACCT is not set
+# CONFIG_TASKSTATS is not set
+# CONFIG_USER_NS is not set
+# CONFIG_PID_NS is not set
+# CONFIG_AUDIT is not set
+# CONFIG_IKCONFIG is not set
+CONFIG_LOG_BUF_SHIFT=14
+# CONFIG_CGROUPS is not set
+CONFIG_FAIR_GROUP_SCHED=y
+CONFIG_FAIR_USER_SCHED=y
+# CONFIG_FAIR_CGROUP_SCHED is not set
+# CONFIG_SYSFS_DEPRECATED is not set
+# CONFIG_RELAY is not set
+# CONFIG_BLK_DEV_INITRD is not set
+# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
+CONFIG_SYSCTL=y
+# CONFIG_EMBEDDED is not set
+CONFIG_UID16=y
+CONFIG_SYSCTL_SYSCALL=y
+CONFIG_KALLSYMS=y
+# CONFIG_KALLSYMS_ALL is not set
+# CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_HOTPLUG=y
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_ELF_CORE=y
+CONFIG_BASE_FULL=y
+CONFIG_FUTEX=y
+CONFIG_ANON_INODES=y
+CONFIG_EPOLL=y
+CONFIG_SIGNALFD=y
+CONFIG_EVENTFD=y
+CONFIG_SHMEM=y
+CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_SLAB=y
+# CONFIG_SLUB is not set
+# CONFIG_SLOB is not set
+CONFIG_SLABINFO=y
+CONFIG_RT_MUTEXES=y
+# CONFIG_TINY_SHMEM is not set
+CONFIG_BASE_SMALL=0
+CONFIG_MODULES=y
+CONFIG_MODULE_UNLOAD=y
+# CONFIG_MODULE_FORCE_UNLOAD is not set
+# CONFIG_MODVERSIONS is not set
+# CONFIG_MODULE_SRCVERSION_ALL is not set
+CONFIG_KMOD=y
+CONFIG_BLOCK=y
+# CONFIG_LBD is not set
+# CONFIG_BLK_DEV_IO_TRACE is not set
+# CONFIG_LSF is not set
+# CONFIG_BLK_DEV_BSG is not set
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+CONFIG_IOSCHED_AS=y
+# CONFIG_IOSCHED_DEADLINE is not set
+# CONFIG_IOSCHED_CFQ is not set
+CONFIG_DEFAULT_AS=y
+# CONFIG_DEFAULT_DEADLINE is not set
+# CONFIG_DEFAULT_CFQ is not set
+# CONFIG_DEFAULT_NOOP is not set
+CONFIG_DEFAULT_IOSCHED="anticipatory"
+
+#
+# System Type
+#
+# CONFIG_ARCH_AAEC2000 is not set
+# CONFIG_ARCH_INTEGRATOR is not set
+# CONFIG_ARCH_REALVIEW is not set
+# CONFIG_ARCH_VERSATILE is not set
+CONFIG_ARCH_AT91=y
+# CONFIG_ARCH_CLPS7500 is not set
+# CONFIG_ARCH_CLPS711X is not set
+# CONFIG_ARCH_CO285 is not set
+# CONFIG_ARCH_EBSA110 is not set
+# CONFIG_ARCH_EP93XX is not set
+# CONFIG_ARCH_FOOTBRIDGE is not set
+# CONFIG_ARCH_NETX is not set
+# CONFIG_ARCH_H720X is not set
+# CONFIG_ARCH_IMX is not set
+# CONFIG_ARCH_IOP13XX is not set
+# CONFIG_ARCH_IOP32X is not set
+# CONFIG_ARCH_IOP33X is not set
+# CONFIG_ARCH_IXP23XX is not set
+# CONFIG_ARCH_IXP2000 is not set
+# CONFIG_ARCH_IXP4XX is not set
+# CONFIG_ARCH_L7200 is not set
+# CONFIG_ARCH_KS8695 is not set
+# CONFIG_ARCH_NS9XXX is not set
+# CONFIG_ARCH_MXC is not set
+# CONFIG_ARCH_PNX4008 is not set
+# CONFIG_ARCH_PXA is not set
+# CONFIG_ARCH_RPC is not set
+# CONFIG_ARCH_SA1100 is not set
+# CONFIG_ARCH_S3C2410 is not set
+# CONFIG_ARCH_SHARK is not set
+# CONFIG_ARCH_LH7A40X is not set
+# CONFIG_ARCH_DAVINCI is not set
+# CONFIG_ARCH_OMAP is not set
+
+#
+# Boot options
+#
+
+#
+# Power management
+#
+
+#
+# Atmel AT91 System-on-Chip
+#
+# CONFIG_ARCH_AT91RM9200 is not set
+CONFIG_ARCH_AT91SAM9260=y
+# CONFIG_ARCH_AT91SAM9261 is not set
+# CONFIG_ARCH_AT91SAM9263 is not set
+# CONFIG_ARCH_AT91SAM9RL is not set
+# CONFIG_ARCH_AT91CAP9 is not set
+# CONFIG_ARCH_AT91X40 is not set
+CONFIG_AT91_PMC_UNIT=y
+
+#
+# AT91SAM9260 Variants
+#
+# CONFIG_ARCH_AT91SAM9260_SAM9XE is not set
+
+#
+# AT91SAM9260 / AT91SAM9XE Board Type
+#
+# CONFIG_MACH_AT91SAM9260EK is not set
+# CONFIG_MACH_CAM60 is not set
+# CONFIG_MACH_SAM9_L9260 is not set
+CONFIG_MACH_USB_A9260=y
+# CONFIG_MACH_QIL_A9260 is not set
+
+#
+# AT91 Board Options
+#
+
+#
+# AT91 Feature Selections
+#
+# CONFIG_AT91_PROGRAMMABLE_CLOCKS is not set
+CONFIG_AT91_SLOW_CLOCK=y
+CONFIG_AT91_TIMER_HZ=100
+CONFIG_AT91_EARLY_DBGU=y
+# CONFIG_AT91_EARLY_USART0 is not set
+# CONFIG_AT91_EARLY_USART1 is not set
+# CONFIG_AT91_EARLY_USART2 is not set
+# CONFIG_AT91_EARLY_USART3 is not set
+# CONFIG_AT91_EARLY_USART4 is not set
+# CONFIG_AT91_EARLY_USART5 is not set
+
+#
+# Processor Type
+#
+CONFIG_CPU_32=y
+CONFIG_CPU_ARM926T=y
+CONFIG_CPU_32v5=y
+CONFIG_CPU_ABRT_EV5TJ=y
+CONFIG_CPU_CACHE_VIVT=y
+CONFIG_CPU_COPY_V4WB=y
+CONFIG_CPU_TLB_V4WBI=y
+CONFIG_CPU_CP15=y
+CONFIG_CPU_CP15_MMU=y
+
+#
+# Processor Features
+#
+# CONFIG_ARM_THUMB is not set
+# CONFIG_CPU_ICACHE_DISABLE is not set
+# CONFIG_CPU_DCACHE_DISABLE is not set
+# CONFIG_CPU_DCACHE_WRITETHROUGH is not set
+# CONFIG_CPU_CACHE_ROUND_ROBIN is not set
+# CONFIG_OUTER_CACHE is not set
+
+#
+# Bus support
+#
+# CONFIG_PCI_SYSCALL is not set
+# CONFIG_ARCH_SUPPORTS_MSI is not set
+# CONFIG_PCCARD is not set
+
+#
+# Kernel Features
+#
+# CONFIG_TICK_ONESHOT is not set
+# CONFIG_NO_HZ is not set
+# CONFIG_HIGH_RES_TIMERS is not set
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
+# CONFIG_PREEMPT is not set
+CONFIG_HZ=100
+CONFIG_AEABI=y
+CONFIG_OABI_COMPAT=y
+# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+# CONFIG_SPARSEMEM_STATIC is not set
+# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
+CONFIG_SPLIT_PTLOCK_CPUS=4096
+# CONFIG_RESOURCES_64BIT is not set
+CONFIG_ZONE_DMA_FLAG=1
+CONFIG_BOUNCE=y
+CONFIG_VIRT_TO_BUS=y
+# CONFIG_LEDS is not set
+CONFIG_ALIGNMENT_TRAP=y
+
+#
+# Boot options
+#
+CONFIG_ZBOOT_ROM_TEXT=0x0
+CONFIG_ZBOOT_ROM_BSS=0x0
+CONFIG_CMDLINE="mem=64M console=ttyS0,115200"
+# CONFIG_XIP_KERNEL is not set
+# CONFIG_KEXEC is not set
+
+#
+# Floating point emulation
+#
+
+#
+# At least one emulation must be selected
+#
+CONFIG_FPE_NWFPE=y
+# CONFIG_FPE_NWFPE_XP is not set
+# CONFIG_FPE_FASTFPE is not set
+# CONFIG_VFP is not set
+
+#
+# Userspace binary formats
+#
+CONFIG_BINFMT_ELF=y
+# CONFIG_BINFMT_AOUT is not set
+# CONFIG_BINFMT_MISC is not set
+
+#
+# Power management options
+#
+CONFIG_PM=y
+# CONFIG_PM_LEGACY is not set
+# CONFIG_PM_DEBUG is not set
+CONFIG_PM_SLEEP=y
+CONFIG_SUSPEND_UP_POSSIBLE=y
+CONFIG_SUSPEND=y
+# CONFIG_APM_EMULATION is not set
+
+#
+# Networking
+#
+CONFIG_NET=y
+
+#
+# Networking options
+#
+CONFIG_PACKET=y
+# CONFIG_PACKET_MMAP is not set
+CONFIG_UNIX=y
+# CONFIG_NET_KEY is not set
+CONFIG_INET=y
+CONFIG_IP_MULTICAST=y
+CONFIG_IP_ADVANCED_ROUTER=y
+CONFIG_ASK_IP_FIB_HASH=y
+# CONFIG_IP_FIB_TRIE is not set
+CONFIG_IP_FIB_HASH=y
+# CONFIG_IP_MULTIPLE_TABLES is not set
+# CONFIG_IP_ROUTE_MULTIPATH is not set
+CONFIG_IP_ROUTE_VERBOSE=y
+CONFIG_IP_PNP=y
+# CONFIG_IP_PNP_DHCP is not set
+CONFIG_IP_PNP_BOOTP=y
+CONFIG_IP_PNP_RARP=y
+# CONFIG_NET_IPIP is not set
+# CONFIG_NET_IPGRE is not set
+CONFIG_IP_MROUTE=y
+CONFIG_IP_PIMSM_V1=y
+CONFIG_IP_PIMSM_V2=y
+# CONFIG_ARPD is not set
+# CONFIG_SYN_COOKIES is not set
+# CONFIG_INET_AH is not set
+# CONFIG_INET_ESP is not set
+# CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_XFRM_TUNNEL is not set
+# CONFIG_INET_TUNNEL is not set
+# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
+# CONFIG_INET_XFRM_MODE_TUNNEL is not set
+# CONFIG_INET_XFRM_MODE_BEET is not set
+# CONFIG_INET_LRO is not set
+# CONFIG_INET_DIAG is not set
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_CUBIC=y
+CONFIG_DEFAULT_TCP_CONG="cubic"
+# CONFIG_TCP_MD5SIG is not set
+# CONFIG_IPV6 is not set
+# CONFIG_INET6_XFRM_TUNNEL is not set
+# CONFIG_INET6_TUNNEL is not set
+# CONFIG_NETWORK_SECMARK is not set
+# CONFIG_NETFILTER is not set
+# CONFIG_IP_DCCP is not set
+# CONFIG_IP_SCTP is not set
+# CONFIG_TIPC is not set
+# CONFIG_ATM is not set
+# CONFIG_BRIDGE is not set
+# CONFIG_VLAN_8021Q is not set
+# CONFIG_DECNET is not set
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# CONFIG_ATALK is not set
+# CONFIG_X25 is not set
+# CONFIG_LAPB is not set
+# CONFIG_ECONET is not set
+# CONFIG_WAN_ROUTER is not set
+# CONFIG_NET_SCHED is not set
+
+#
+# Network testing
+#
+# CONFIG_NET_PKTGEN is not set
+# CONFIG_HAMRADIO is not set
+# CONFIG_IRDA is not set
+# CONFIG_BT is not set
+# CONFIG_AF_RXRPC is not set
+
+#
+# Wireless
+#
+# CONFIG_CFG80211 is not set
+# CONFIG_WIRELESS_EXT is not set
+# CONFIG_MAC80211 is not set
+# CONFIG_IEEE80211 is not set
+# CONFIG_RFKILL is not set
+# CONFIG_NET_9P is not set
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+CONFIG_STANDALONE=y
+CONFIG_PREVENT_FIRMWARE_BUILD=y
+# CONFIG_FW_LOADER is not set
+# CONFIG_DEBUG_DRIVER is not set
+# CONFIG_DEBUG_DEVRES is not set
+# CONFIG_SYS_HYPERVISOR is not set
+# CONFIG_CONNECTOR is not set
+CONFIG_MTD=y
+# CONFIG_MTD_DEBUG is not set
+# CONFIG_MTD_CONCAT is not set
+CONFIG_MTD_PARTITIONS=y
+# CONFIG_MTD_REDBOOT_PARTS is not set
+CONFIG_MTD_CMDLINE_PARTS=y
+# CONFIG_MTD_AFS_PARTS is not set
+
+#
+# User Modules And Translation Layers
+#
+CONFIG_MTD_CHAR=y
+CONFIG_MTD_BLKDEVS=y
+CONFIG_MTD_BLOCK=y
+# CONFIG_FTL is not set
+# CONFIG_NFTL is not set
+# CONFIG_INFTL is not set
+# CONFIG_RFD_FTL is not set
+# CONFIG_SSFDC is not set
+# CONFIG_MTD_OOPS is not set
+
+#
+# RAM/ROM/Flash chip drivers
+#
+# CONFIG_MTD_CFI is not set
+# CONFIG_MTD_JEDECPROBE is not set
+CONFIG_MTD_MAP_BANK_WIDTH_1=y
+CONFIG_MTD_MAP_BANK_WIDTH_2=y
+CONFIG_MTD_MAP_BANK_WIDTH_4=y
+# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
+CONFIG_MTD_CFI_I1=y
+CONFIG_MTD_CFI_I2=y
+# CONFIG_MTD_CFI_I4 is not set
+# CONFIG_MTD_CFI_I8 is not set
+# CONFIG_MTD_RAM is not set
+# CONFIG_MTD_ROM is not set
+# CONFIG_MTD_ABSENT is not set
+
+#
+# Mapping drivers for chip access
+#
+# CONFIG_MTD_COMPLEX_MAPPINGS is not set
+# CONFIG_MTD_PLATRAM is not set
+
+#
+# Self-contained MTD device drivers
+#
+CONFIG_MTD_DATAFLASH=y
+# CONFIG_MTD_M25P80 is not set
+# CONFIG_MTD_SLRAM is not set
+# CONFIG_MTD_PHRAM is not set
+# CONFIG_MTD_MTDRAM is not set
+# CONFIG_MTD_BLOCK2MTD is not set
+
+#
+# Disk-On-Chip Device Drivers
+#
+# CONFIG_MTD_DOC2000 is not set
+# CONFIG_MTD_DOC2001 is not set
+# CONFIG_MTD_DOC2001PLUS is not set
+CONFIG_MTD_NAND=y
+# CONFIG_MTD_NAND_VERIFY_WRITE is not set
+# CONFIG_MTD_NAND_ECC_SMC is not set
+# CONFIG_MTD_NAND_MUSEUM_IDS is not set
+CONFIG_MTD_NAND_IDS=y
+# CONFIG_MTD_NAND_DISKONCHIP is not set
+CONFIG_MTD_NAND_AT91=y
+CONFIG_MTD_NAND_AT91_ECC_SOFT=y
+# CONFIG_MTD_NAND_AT91_ECC_HW is not set
+# CONFIG_MTD_NAND_AT91_ECC_NONE is not set
+# CONFIG_MTD_NAND_NANDSIM is not set
+# CONFIG_MTD_NAND_PLATFORM is not set
+# CONFIG_MTD_ALAUDA is not set
+# CONFIG_MTD_ONENAND is not set
+
+#
+# UBI - Unsorted block images
+#
+# CONFIG_MTD_UBI is not set
+# CONFIG_PARPORT is not set
+CONFIG_BLK_DEV=y
+# CONFIG_BLK_DEV_COW_COMMON is not set
+CONFIG_BLK_DEV_LOOP=y
+# CONFIG_BLK_DEV_CRYPTOLOOP is not set
+# CONFIG_BLK_DEV_NBD is not set
+# CONFIG_BLK_DEV_UB is not set
+# CONFIG_BLK_DEV_RAM is not set
+# CONFIG_CDROM_PKTCDVD is not set
+# CONFIG_ATA_OVER_ETH is not set
+# CONFIG_MISC_DEVICES is not set
+
+#
+# SCSI device support
+#
+# CONFIG_RAID_ATTRS is not set
+CONFIG_SCSI=y
+CONFIG_SCSI_DMA=y
+# CONFIG_SCSI_TGT is not set
+# CONFIG_SCSI_NETLINK is not set
+CONFIG_SCSI_PROC_FS=y
+
+#
+# SCSI support type (disk, tape, CD-ROM)
+#
+CONFIG_BLK_DEV_SD=y
+# CONFIG_CHR_DEV_ST is not set
+# CONFIG_CHR_DEV_OSST is not set
+# CONFIG_BLK_DEV_SR is not set
+# CONFIG_CHR_DEV_SG is not set
+# CONFIG_CHR_DEV_SCH is not set
+
+#
+# Some SCSI devices (e.g. CD jukebox) support multiple LUNs
+#
+CONFIG_SCSI_MULTI_LUN=y
+# CONFIG_SCSI_CONSTANTS is not set
+# CONFIG_SCSI_LOGGING is not set
+# CONFIG_SCSI_SCAN_ASYNC is not set
+CONFIG_SCSI_WAIT_SCAN=m
+
+#
+# SCSI Transports
+#
+# CONFIG_SCSI_SPI_ATTRS is not set
+# CONFIG_SCSI_FC_ATTRS is not set
+# CONFIG_SCSI_ISCSI_ATTRS is not set
+# CONFIG_SCSI_SAS_LIBSAS is not set
+# CONFIG_SCSI_SRP_ATTRS is not set
+CONFIG_SCSI_LOWLEVEL=y
+# CONFIG_ISCSI_TCP is not set
+# CONFIG_SCSI_DEBUG is not set
+# CONFIG_ATA is not set
+# CONFIG_MD is not set
+CONFIG_NETDEVICES=y
+# CONFIG_NETDEVICES_MULTIQUEUE is not set
+# CONFIG_DUMMY is not set
+# CONFIG_BONDING is not set
+# CONFIG_MACVLAN is not set
+# CONFIG_EQUALIZER is not set
+# CONFIG_TUN is not set
+# CONFIG_VETH is not set
+CONFIG_PHYLIB=y
+
+#
+# MII PHY device drivers
+#
+# CONFIG_MARVELL_PHY is not set
+# CONFIG_DAVICOM_PHY is not set
+# CONFIG_QSEMI_PHY is not set
+# CONFIG_LXT_PHY is not set
+# CONFIG_CICADA_PHY is not set
+# CONFIG_VITESSE_PHY is not set
+# CONFIG_SMSC_PHY is not set
+# CONFIG_BROADCOM_PHY is not set
+# CONFIG_ICPLUS_PHY is not set
+# CONFIG_FIXED_PHY is not set
+# CONFIG_MDIO_BITBANG is not set
+CONFIG_NET_ETHERNET=y
+CONFIG_MII=y
+CONFIG_MACB=y
+# CONFIG_AX88796 is not set
+# CONFIG_SMC91X is not set
+# CONFIG_DM9000 is not set
+# CONFIG_IBM_NEW_EMAC_ZMII is not set
+# CONFIG_IBM_NEW_EMAC_RGMII is not set
+# CONFIG_IBM_NEW_EMAC_TAH is not set
+# CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_B44 is not set
+CONFIG_NETDEV_1000=y
+CONFIG_NETDEV_10000=y
+
+#
+# Wireless LAN
+#
+# CONFIG_WLAN_PRE80211 is not set
+# CONFIG_WLAN_80211 is not set
+
+#
+# USB Network Adapters
+#
+# CONFIG_USB_CATC is not set
+# CONFIG_USB_KAWETH is not set
+# CONFIG_USB_PEGASUS is not set
+# CONFIG_USB_RTL8150 is not set
+# CONFIG_USB_USBNET is not set
+# CONFIG_WAN is not set
+# CONFIG_PPP is not set
+# CONFIG_SLIP is not set
+# CONFIG_SHAPER is not set
+# CONFIG_NETCONSOLE is not set
+# CONFIG_NETPOLL is not set
+# CONFIG_NET_POLL_CONTROLLER is not set
+# CONFIG_ISDN is not set
+
+#
+# Input device support
+#
+CONFIG_INPUT=y
+# CONFIG_INPUT_FF_MEMLESS is not set
+# CONFIG_INPUT_POLLDEV is not set
+
+#
+# Userland interfaces
+#
+CONFIG_INPUT_MOUSEDEV=y
+# CONFIG_INPUT_MOUSEDEV_PSAUX is not set
+CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
+CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
+# CONFIG_INPUT_JOYDEV is not set
+CONFIG_INPUT_EVDEV=y
+CONFIG_INPUT_EVBUG=y
+
+#
+# Input Device Drivers
+#
+CONFIG_INPUT_KEYBOARD=y
+# CONFIG_KEYBOARD_ATKBD is not set
+# CONFIG_KEYBOARD_SUNKBD is not set
+# CONFIG_KEYBOARD_LKKBD is not set
+# CONFIG_KEYBOARD_XTKBD is not set
+# CONFIG_KEYBOARD_NEWTON is not set
+# CONFIG_KEYBOARD_STOWAWAY is not set
+CONFIG_KEYBOARD_GPIO=y
+# CONFIG_INPUT_MOUSE is not set
+# CONFIG_INPUT_JOYSTICK is not set
+# CONFIG_INPUT_TABLET is not set
+# CONFIG_INPUT_TOUCHSCREEN is not set
+# CONFIG_INPUT_MISC is not set
+
+#
+# Hardware I/O ports
+#
+# CONFIG_SERIO is not set
+# CONFIG_GAMEPORT is not set
+
+#
+# Character devices
+#
+CONFIG_VT=y
+CONFIG_VT_CONSOLE=y
+CONFIG_HW_CONSOLE=y
+# CONFIG_VT_HW_CONSOLE_BINDING is not set
+# CONFIG_SERIAL_NONSTANDARD is not set
+
+#
+# Serial drivers
+#
+# CONFIG_SERIAL_8250 is not set
+
+#
+# Non-8250 serial port support
+#
+CONFIG_SERIAL_ATMEL=y
+CONFIG_SERIAL_ATMEL_CONSOLE=y
+# CONFIG_SERIAL_ATMEL_TTYAT is not set
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+CONFIG_UNIX98_PTYS=y
+CONFIG_LEGACY_PTYS=y
+CONFIG_LEGACY_PTY_COUNT=256
+# CONFIG_IPMI_HANDLER is not set
+CONFIG_HW_RANDOM=y
+# CONFIG_NVRAM is not set
+# CONFIG_R3964 is not set
+# CONFIG_RAW_DRIVER is not set
+# CONFIG_TCG_TPM is not set
+# CONFIG_I2C is not set
+
+#
+# SPI support
+#
+CONFIG_SPI=y
+# CONFIG_SPI_DEBUG is not set
+CONFIG_SPI_MASTER=y
+
+#
+# SPI Master Controller Drivers
+#
+CONFIG_SPI_ATMEL=y
+# CONFIG_SPI_BITBANG is not set
+
+#
+# SPI Protocol Masters
+#
+# CONFIG_SPI_AT25 is not set
+# CONFIG_SPI_SPIDEV is not set
+# CONFIG_SPI_TLE62X0 is not set
+# CONFIG_W1 is not set
+# CONFIG_POWER_SUPPLY is not set
+# CONFIG_HWMON is not set
+# CONFIG_WATCHDOG is not set
+
+#
+# Sonics Silicon Backplane
+#
+CONFIG_SSB_POSSIBLE=y
+# CONFIG_SSB is not set
+
+#
+# Multifunction device drivers
+#
+# CONFIG_MFD_SM501 is not set
+
+#
+# Multimedia devices
+#
+# CONFIG_VIDEO_DEV is not set
+# CONFIG_DVB_CORE is not set
+# CONFIG_DAB is not set
+
+#
+# Graphics support
+#
+# CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
+# CONFIG_FB is not set
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+
+#
+# Display device support
+#
+# CONFIG_DISPLAY_SUPPORT is not set
+
+#
+# Console display driver support
+#
+# CONFIG_VGA_CONSOLE is not set
+CONFIG_DUMMY_CONSOLE=y
+
+#
+# Sound
+#
+# CONFIG_SOUND is not set
+CONFIG_HID_SUPPORT=y
+CONFIG_HID=y
+# CONFIG_HID_DEBUG is not set
+# CONFIG_HIDRAW is not set
+
+#
+# USB Input Devices
+#
+# CONFIG_USB_HID is not set
+
+#
+# USB HID Boot Protocol drivers
+#
+# CONFIG_USB_KBD is not set
+# CONFIG_USB_MOUSE is not set
+CONFIG_USB_SUPPORT=y
+CONFIG_USB_ARCH_HAS_HCD=y
+CONFIG_USB_ARCH_HAS_OHCI=y
+# CONFIG_USB_ARCH_HAS_EHCI is not set
+CONFIG_USB=y
+# CONFIG_USB_DEBUG is not set
+
+#
+# Miscellaneous USB options
+#
+CONFIG_USB_DEVICEFS=y
+CONFIG_USB_DEVICE_CLASS=y
+# CONFIG_USB_DYNAMIC_MINORS is not set
+# CONFIG_USB_SUSPEND is not set
+# CONFIG_USB_PERSIST is not set
+# CONFIG_USB_OTG is not set
+
+#
+# USB Host Controller Drivers
+#
+# CONFIG_USB_ISP116X_HCD is not set
+CONFIG_USB_OHCI_HCD=y
+# CONFIG_USB_OHCI_BIG_ENDIAN_DESC is not set
+# CONFIG_USB_OHCI_BIG_ENDIAN_MMIO is not set
+CONFIG_USB_OHCI_LITTLE_ENDIAN=y
+# CONFIG_USB_SL811_HCD is not set
+# CONFIG_USB_R8A66597_HCD is not set
+
+#
+# USB Device Class drivers
+#
+# CONFIG_USB_ACM is not set
+# CONFIG_USB_PRINTER is not set
+
+#
+# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
+#
+
+#
+# may also be needed; see USB_STORAGE Help for more information
+#
+CONFIG_USB_STORAGE=y
+# CONFIG_USB_STORAGE_DEBUG is not set
+# CONFIG_USB_STORAGE_DATAFAB is not set
+# CONFIG_USB_STORAGE_FREECOM is not set
+# CONFIG_USB_STORAGE_ISD200 is not set
+# CONFIG_USB_STORAGE_DPCM is not set
+# CONFIG_USB_STORAGE_USBAT is not set
+# CONFIG_USB_STORAGE_SDDR09 is not set
+# CONFIG_USB_STORAGE_SDDR55 is not set
+# CONFIG_USB_STORAGE_JUMPSHOT is not set
+# CONFIG_USB_STORAGE_ALAUDA is not set
+# CONFIG_USB_STORAGE_KARMA is not set
+# CONFIG_USB_LIBUSUAL is not set
+
+#
+# USB Imaging devices
+#
+# CONFIG_USB_MDC800 is not set
+# CONFIG_USB_MICROTEK is not set
+CONFIG_USB_MON=y
+
+#
+# USB port drivers
+#
+
+#
+# USB Serial Converter support
+#
+# CONFIG_USB_SERIAL is not set
+
+#
+# USB Miscellaneous drivers
+#
+# CONFIG_USB_EMI62 is not set
+# CONFIG_USB_EMI26 is not set
+# CONFIG_USB_ADUTUX is not set
+# CONFIG_USB_AUERSWALD is not set
+# CONFIG_USB_RIO500 is not set
+# CONFIG_USB_LEGOTOWER is not set
+# CONFIG_USB_LCD is not set
+# CONFIG_USB_BERRY_CHARGE is not set
+# CONFIG_USB_LED is not set
+# CONFIG_USB_CYPRESS_CY7C63 is not set
+# CONFIG_USB_CYTHERM is not set
+# CONFIG_USB_PHIDGET is not set
+# CONFIG_USB_IDMOUSE is not set
+# CONFIG_USB_FTDI_ELAN is not set
+# CONFIG_USB_APPLEDISPLAY is not set
+# CONFIG_USB_LD is not set
+# CONFIG_USB_TRANCEVIBRATOR is not set
+# CONFIG_USB_IOWARRIOR is not set
+# CONFIG_USB_TEST is not set
+
+#
+# USB DSL modem support
+#
+
+#
+# USB Gadget Support
+#
+CONFIG_USB_GADGET=y
+# CONFIG_USB_GADGET_DEBUG is not set
+# CONFIG_USB_GADGET_DEBUG_FILES is not set
+CONFIG_USB_GADGET_SELECTED=y
+# CONFIG_USB_GADGET_AMD5536UDC is not set
+# CONFIG_USB_GADGET_ATMEL_USBA is not set
+# CONFIG_USB_GADGET_FSL_USB2 is not set
+# CONFIG_USB_GADGET_NET2280 is not set
+# CONFIG_USB_GADGET_PXA2XX is not set
+# CONFIG_USB_GADGET_M66592 is not set
+# CONFIG_USB_GADGET_GOKU is not set
+# CONFIG_USB_GADGET_LH7A40X is not set
+# CONFIG_USB_GADGET_OMAP is not set
+# CONFIG_USB_GADGET_S3C2410 is not set
+CONFIG_USB_GADGET_AT91=y
+CONFIG_USB_AT91=y
+# CONFIG_USB_GADGET_DUMMY_HCD is not set
+# CONFIG_USB_GADGET_DUALSPEED is not set
+# CONFIG_USB_ZERO is not set
+CONFIG_USB_ETH=y
+CONFIG_USB_ETH_RNDIS=y
+# CONFIG_USB_GADGETFS is not set
+# CONFIG_USB_FILE_STORAGE is not set
+# CONFIG_USB_G_SERIAL is not set
+# CONFIG_USB_MIDI_GADGET is not set
+# CONFIG_MMC is not set
+CONFIG_NEW_LEDS=y
+CONFIG_LEDS_CLASS=y
+
+#
+# LED drivers
+#
+CONFIG_LEDS_GPIO=y
+
+#
+# LED Triggers
+#
+CONFIG_LEDS_TRIGGERS=y
+# CONFIG_LEDS_TRIGGER_TIMER is not set
+CONFIG_LEDS_TRIGGER_HEARTBEAT=y
+CONFIG_RTC_LIB=y
+# CONFIG_RTC_CLASS is not set
+
+#
+# File systems
+#
+CONFIG_EXT2_FS=y
+# CONFIG_EXT2_FS_XATTR is not set
+# CONFIG_EXT2_FS_XIP is not set
+# CONFIG_EXT3_FS is not set
+# CONFIG_EXT4DEV_FS is not set
+# CONFIG_REISERFS_FS is not set
+# CONFIG_JFS_FS is not set
+CONFIG_FS_POSIX_ACL=y
+# CONFIG_XFS_FS is not set
+# CONFIG_GFS2_FS is not set
+# CONFIG_OCFS2_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_ROMFS_FS is not set
+CONFIG_INOTIFY=y
+CONFIG_INOTIFY_USER=y
+# CONFIG_QUOTA is not set
+CONFIG_DNOTIFY=y
+# CONFIG_AUTOFS_FS is not set
+# CONFIG_AUTOFS4_FS is not set
+CONFIG_FUSE_FS=m
+
+#
+# CD-ROM/DVD Filesystems
+#
+# CONFIG_ISO9660_FS is not set
+# CONFIG_UDF_FS is not set
+
+#
+# DOS/FAT/NT Filesystems
+#
+CONFIG_FAT_FS=y
+# CONFIG_MSDOS_FS is not set
+CONFIG_VFAT_FS=y
+CONFIG_FAT_DEFAULT_CODEPAGE=437
+CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
+# CONFIG_NTFS_FS is not set
+
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+CONFIG_PROC_SYSCTL=y
+CONFIG_SYSFS=y
+CONFIG_TMPFS=y
+# CONFIG_TMPFS_POSIX_ACL is not set
+# CONFIG_HUGETLB_PAGE is not set
+# CONFIG_CONFIGFS_FS is not set
+
+#
+# Miscellaneous filesystems
+#
+# CONFIG_ADFS_FS is not set
+# CONFIG_AFFS_FS is not set
+# CONFIG_HFS_FS is not set
+# CONFIG_HFSPLUS_FS is not set
+# CONFIG_BEFS_FS is not set
+# CONFIG_BFS_FS is not set
+# CONFIG_EFS_FS is not set
+CONFIG_JFFS2_FS=y
+CONFIG_JFFS2_FS_DEBUG=0
+CONFIG_JFFS2_FS_WRITEBUFFER=y
+# CONFIG_JFFS2_FS_WBUF_VERIFY is not set
+# CONFIG_JFFS2_SUMMARY is not set
+# CONFIG_JFFS2_FS_XATTR is not set
+# CONFIG_JFFS2_COMPRESSION_OPTIONS is not set
+CONFIG_JFFS2_ZLIB=y
+# CONFIG_JFFS2_LZO is not set
+CONFIG_JFFS2_RTIME=y
+# CONFIG_JFFS2_RUBIN is not set
+# CONFIG_CRAMFS is not set
+# CONFIG_VXFS_FS is not set
+# CONFIG_HPFS_FS is not set
+# CONFIG_QNX4FS_FS is not set
+# CONFIG_SYSV_FS is not set
+# CONFIG_UFS_FS is not set
+CONFIG_NETWORK_FILESYSTEMS=y
+CONFIG_NFS_FS=y
+CONFIG_NFS_V3=y
+CONFIG_NFS_V3_ACL=y
+CONFIG_NFS_V4=y
+# CONFIG_NFS_DIRECTIO is not set
+# CONFIG_NFSD is not set
+CONFIG_ROOT_NFS=y
+CONFIG_LOCKD=y
+CONFIG_LOCKD_V4=y
+CONFIG_NFS_ACL_SUPPORT=y
+CONFIG_NFS_COMMON=y
+CONFIG_SUNRPC=y
+CONFIG_SUNRPC_GSS=y
+# CONFIG_SUNRPC_BIND34 is not set
+CONFIG_RPCSEC_GSS_KRB5=y
+# CONFIG_RPCSEC_GSS_SPKM3 is not set
+# CONFIG_SMB_FS is not set
+# CONFIG_CIFS is not set
+# CONFIG_NCP_FS is not set
+# CONFIG_CODA_FS is not set
+# CONFIG_AFS_FS is not set
+
+#
+# Partition Types
+#
+# CONFIG_PARTITION_ADVANCED is not set
+CONFIG_MSDOS_PARTITION=y
+CONFIG_NLS=y
+CONFIG_NLS_DEFAULT="iso8859-1"
+CONFIG_NLS_CODEPAGE_437=y
+# CONFIG_NLS_CODEPAGE_737 is not set
+# CONFIG_NLS_CODEPAGE_775 is not set
+CONFIG_NLS_CODEPAGE_850=y
+# CONFIG_NLS_CODEPAGE_852 is not set
+# CONFIG_NLS_CODEPAGE_855 is not set
+# CONFIG_NLS_CODEPAGE_857 is not set
+# CONFIG_NLS_CODEPAGE_860 is not set
+# CONFIG_NLS_CODEPAGE_861 is not set
+# CONFIG_NLS_CODEPAGE_862 is not set
+# CONFIG_NLS_CODEPAGE_863 is not set
+# CONFIG_NLS_CODEPAGE_864 is not set
+# CONFIG_NLS_CODEPAGE_865 is not set
+# CONFIG_NLS_CODEPAGE_866 is not set
+# CONFIG_NLS_CODEPAGE_869 is not set
+# CONFIG_NLS_CODEPAGE_936 is not set
+# CONFIG_NLS_CODEPAGE_950 is not set
+# CONFIG_NLS_CODEPAGE_932 is not set
+# CONFIG_NLS_CODEPAGE_949 is not set
+# CONFIG_NLS_CODEPAGE_874 is not set
+# CONFIG_NLS_ISO8859_8 is not set
+# CONFIG_NLS_CODEPAGE_1250 is not set
+# CONFIG_NLS_CODEPAGE_1251 is not set
+# CONFIG_NLS_ASCII is not set
+CONFIG_NLS_ISO8859_1=y
+# CONFIG_NLS_ISO8859_2 is not set
+# CONFIG_NLS_ISO8859_3 is not set
+# CONFIG_NLS_ISO8859_4 is not set
+# CONFIG_NLS_ISO8859_5 is not set
+# CONFIG_NLS_ISO8859_6 is not set
+# CONFIG_NLS_ISO8859_7 is not set
+# CONFIG_NLS_ISO8859_9 is not set
+# CONFIG_NLS_ISO8859_13 is not set
+# CONFIG_NLS_ISO8859_14 is not set
+# CONFIG_NLS_ISO8859_15 is not set
+# CONFIG_NLS_KOI8_R is not set
+# CONFIG_NLS_KOI8_U is not set
+# CONFIG_NLS_UTF8 is not set
+# CONFIG_DLM is not set
+# CONFIG_INSTRUMENTATION is not set
+
+#
+# Kernel hacking
+#
+# CONFIG_PRINTK_TIME is not set
+CONFIG_ENABLE_WARN_DEPRECATED=y
+CONFIG_ENABLE_MUST_CHECK=y
+# CONFIG_MAGIC_SYSRQ is not set
+# CONFIG_UNUSED_SYMBOLS is not set
+# CONFIG_DEBUG_FS is not set
+# CONFIG_HEADERS_CHECK is not set
+CONFIG_DEBUG_KERNEL=y
+# CONFIG_DEBUG_SHIRQ is not set
+CONFIG_DETECT_SOFTLOCKUP=y
+CONFIG_SCHED_DEBUG=y
+# CONFIG_SCHEDSTATS is not set
+# CONFIG_TIMER_STATS is not set
+# CONFIG_DEBUG_SLAB is not set
+# CONFIG_DEBUG_RT_MUTEXES is not set
+# CONFIG_RT_MUTEX_TESTER is not set
+# CONFIG_DEBUG_SPINLOCK is not set
+# CONFIG_DEBUG_MUTEXES is not set
+# CONFIG_DEBUG_LOCK_ALLOC is not set
+# CONFIG_PROVE_LOCKING is not set
+# CONFIG_LOCK_STAT is not set
+# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
+# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
+# CONFIG_DEBUG_KOBJECT is not set
+CONFIG_DEBUG_BUGVERBOSE=y
+# CONFIG_DEBUG_INFO is not set
+# CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_LIST is not set
+# CONFIG_DEBUG_SG is not set
+CONFIG_FRAME_POINTER=y
+CONFIG_FORCED_INLINING=y
+# CONFIG_BOOT_PRINTK_DELAY is not set
+# CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_FAULT_INJECTION is not set
+# CONFIG_SAMPLES is not set
+CONFIG_DEBUG_USER=y
+# CONFIG_DEBUG_ERRORS is not set
+CONFIG_DEBUG_LL=y
+# CONFIG_DEBUG_ICEDCC is not set
+
+#
+# Security options
+#
+# CONFIG_KEYS is not set
+# CONFIG_SECURITY is not set
+# CONFIG_SECURITY_FILE_CAPABILITIES is not set
+CONFIG_CRYPTO=y
+CONFIG_CRYPTO_ALGAPI=y
+CONFIG_CRYPTO_BLKCIPHER=y
+CONFIG_CRYPTO_MANAGER=y
+# CONFIG_CRYPTO_HMAC is not set
+# CONFIG_CRYPTO_XCBC is not set
+# CONFIG_CRYPTO_NULL is not set
+# CONFIG_CRYPTO_MD4 is not set
+CONFIG_CRYPTO_MD5=y
+# CONFIG_CRYPTO_SHA1 is not set
+# CONFIG_CRYPTO_SHA256 is not set
+# CONFIG_CRYPTO_SHA512 is not set
+# CONFIG_CRYPTO_WP512 is not set
+# CONFIG_CRYPTO_TGR192 is not set
+# CONFIG_CRYPTO_GF128MUL is not set
+# CONFIG_CRYPTO_ECB is not set
+CONFIG_CRYPTO_CBC=y
+# CONFIG_CRYPTO_PCBC is not set
+# CONFIG_CRYPTO_LRW is not set
+# CONFIG_CRYPTO_XTS is not set
+# CONFIG_CRYPTO_CRYPTD is not set
+CONFIG_CRYPTO_DES=y
+# CONFIG_CRYPTO_FCRYPT is not set
+# CONFIG_CRYPTO_BLOWFISH is not set
+# CONFIG_CRYPTO_TWOFISH is not set
+# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_AES is not set
+# CONFIG_CRYPTO_CAST5 is not set
+# CONFIG_CRYPTO_CAST6 is not set
+# CONFIG_CRYPTO_TEA is not set
+# CONFIG_CRYPTO_ARC4 is not set
+# CONFIG_CRYPTO_KHAZAD is not set
+# CONFIG_CRYPTO_ANUBIS is not set
+# CONFIG_CRYPTO_SEED is not set
+# CONFIG_CRYPTO_DEFLATE is not set
+# CONFIG_CRYPTO_MICHAEL_MIC is not set
+# CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_CAMELLIA is not set
+# CONFIG_CRYPTO_TEST is not set
+# CONFIG_CRYPTO_AUTHENC is not set
+# CONFIG_CRYPTO_HW is not set
+
+#
+# Library routines
+#
+CONFIG_BITREVERSE=y
+# CONFIG_CRC_CCITT is not set
+# CONFIG_CRC16 is not set
+# CONFIG_CRC_ITU_T is not set
+CONFIG_CRC32=y
+# CONFIG_CRC7 is not set
+# CONFIG_LIBCRC32C is not set
+CONFIG_ZLIB_INFLATE=y
+CONFIG_ZLIB_DEFLATE=y
+CONFIG_PLIST=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
+CONFIG_HAS_DMA=y
diff --git a/arch/arm/configs/usb-a9263_defconfig b/arch/arm/configs/usb-a9263_defconfig
new file mode 100644
index 00000000000..48d455bc736
--- /dev/null
+++ b/arch/arm/configs/usb-a9263_defconfig
@@ -0,0 +1,1134 @@
+#
+# Automatically generated make config: don't edit
+# Linux kernel version: 2.6.24
+# Tue Apr 15 11:15:19 2008
+#
+CONFIG_ARM=y
+CONFIG_SYS_SUPPORTS_APM_EMULATION=y
+CONFIG_GENERIC_GPIO=y
+CONFIG_GENERIC_TIME=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+CONFIG_MMU=y
+# CONFIG_NO_IOPORT is not set
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
+CONFIG_HARDIRQS_SW_RESEND=y
+CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+# CONFIG_ARCH_HAS_ILOG2_U32 is not set
+# CONFIG_ARCH_HAS_ILOG2_U64 is not set
+CONFIG_GENERIC_HWEIGHT=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_ZONE_DMA=y
+CONFIG_VECTORS_BASE=0xffff0000
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+
+#
+# General setup
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_BROKEN_ON_SMP=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+CONFIG_LOCALVERSION=""
+# CONFIG_LOCALVERSION_AUTO is not set
+# CONFIG_SWAP is not set
+CONFIG_SYSVIPC=y
+CONFIG_SYSVIPC_SYSCTL=y
+# CONFIG_POSIX_MQUEUE is not set
+# CONFIG_BSD_PROCESS_ACCT is not set
+# CONFIG_TASKSTATS is not set
+# CONFIG_USER_NS is not set
+# CONFIG_PID_NS is not set
+# CONFIG_AUDIT is not set
+# CONFIG_IKCONFIG is not set
+CONFIG_LOG_BUF_SHIFT=14
+# CONFIG_CGROUPS is not set
+CONFIG_FAIR_GROUP_SCHED=y
+CONFIG_FAIR_USER_SCHED=y
+# CONFIG_FAIR_CGROUP_SCHED is not set
+# CONFIG_SYSFS_DEPRECATED is not set
+# CONFIG_RELAY is not set
+# CONFIG_BLK_DEV_INITRD is not set
+# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
+CONFIG_SYSCTL=y
+# CONFIG_EMBEDDED is not set
+CONFIG_UID16=y
+CONFIG_SYSCTL_SYSCALL=y
+CONFIG_KALLSYMS=y
+# CONFIG_KALLSYMS_ALL is not set
+# CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_HOTPLUG=y
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_ELF_CORE=y
+CONFIG_BASE_FULL=y
+CONFIG_FUTEX=y
+CONFIG_ANON_INODES=y
+CONFIG_EPOLL=y
+CONFIG_SIGNALFD=y
+CONFIG_EVENTFD=y
+CONFIG_SHMEM=y
+CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_SLAB=y
+# CONFIG_SLUB is not set
+# CONFIG_SLOB is not set
+CONFIG_SLABINFO=y
+CONFIG_RT_MUTEXES=y
+# CONFIG_TINY_SHMEM is not set
+CONFIG_BASE_SMALL=0
+CONFIG_MODULES=y
+CONFIG_MODULE_UNLOAD=y
+# CONFIG_MODULE_FORCE_UNLOAD is not set
+# CONFIG_MODVERSIONS is not set
+# CONFIG_MODULE_SRCVERSION_ALL is not set
+CONFIG_KMOD=y
+CONFIG_BLOCK=y
+# CONFIG_LBD is not set
+# CONFIG_BLK_DEV_IO_TRACE is not set
+# CONFIG_LSF is not set
+# CONFIG_BLK_DEV_BSG is not set
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+CONFIG_IOSCHED_AS=y
+# CONFIG_IOSCHED_DEADLINE is not set
+# CONFIG_IOSCHED_CFQ is not set
+CONFIG_DEFAULT_AS=y
+# CONFIG_DEFAULT_DEADLINE is not set
+# CONFIG_DEFAULT_CFQ is not set
+# CONFIG_DEFAULT_NOOP is not set
+CONFIG_DEFAULT_IOSCHED="anticipatory"
+
+#
+# System Type
+#
+# CONFIG_ARCH_AAEC2000 is not set
+# CONFIG_ARCH_INTEGRATOR is not set
+# CONFIG_ARCH_REALVIEW is not set
+# CONFIG_ARCH_VERSATILE is not set
+CONFIG_ARCH_AT91=y
+# CONFIG_ARCH_CLPS7500 is not set
+# CONFIG_ARCH_CLPS711X is not set
+# CONFIG_ARCH_CO285 is not set
+# CONFIG_ARCH_EBSA110 is not set
+# CONFIG_ARCH_EP93XX is not set
+# CONFIG_ARCH_FOOTBRIDGE is not set
+# CONFIG_ARCH_NETX is not set
+# CONFIG_ARCH_H720X is not set
+# CONFIG_ARCH_IMX is not set
+# CONFIG_ARCH_IOP13XX is not set
+# CONFIG_ARCH_IOP32X is not set
+# CONFIG_ARCH_IOP33X is not set
+# CONFIG_ARCH_IXP23XX is not set
+# CONFIG_ARCH_IXP2000 is not set
+# CONFIG_ARCH_IXP4XX is not set
+# CONFIG_ARCH_L7200 is not set
+# CONFIG_ARCH_KS8695 is not set
+# CONFIG_ARCH_NS9XXX is not set
+# CONFIG_ARCH_MXC is not set
+# CONFIG_ARCH_PNX4008 is not set
+# CONFIG_ARCH_PXA is not set
+# CONFIG_ARCH_RPC is not set
+# CONFIG_ARCH_SA1100 is not set
+# CONFIG_ARCH_S3C2410 is not set
+# CONFIG_ARCH_SHARK is not set
+# CONFIG_ARCH_LH7A40X is not set
+# CONFIG_ARCH_DAVINCI is not set
+# CONFIG_ARCH_OMAP is not set
+
+#
+# Boot options
+#
+
+#
+# Power management
+#
+
+#
+# Atmel AT91 System-on-Chip
+#
+# CONFIG_ARCH_AT91RM9200 is not set
+# CONFIG_ARCH_AT91SAM9260 is not set
+# CONFIG_ARCH_AT91SAM9261 is not set
+CONFIG_ARCH_AT91SAM9263=y
+# CONFIG_ARCH_AT91SAM9RL is not set
+# CONFIG_ARCH_AT91CAP9 is not set
+# CONFIG_ARCH_AT91X40 is not set
+CONFIG_AT91_PMC_UNIT=y
+
+#
+# AT91SAM9263 Board Type
+#
+# CONFIG_MACH_AT91SAM9263EK is not set
+CONFIG_MACH_USB_A9263=y
+
+#
+# AT91 Board Options
+#
+
+#
+# AT91 Feature Selections
+#
+# CONFIG_AT91_PROGRAMMABLE_CLOCKS is not set
+CONFIG_AT91_SLOW_CLOCK=y
+CONFIG_AT91_TIMER_HZ=100
+CONFIG_AT91_EARLY_DBGU=y
+# CONFIG_AT91_EARLY_USART0 is not set
+# CONFIG_AT91_EARLY_USART1 is not set
+# CONFIG_AT91_EARLY_USART2 is not set
+# CONFIG_AT91_EARLY_USART3 is not set
+# CONFIG_AT91_EARLY_USART4 is not set
+# CONFIG_AT91_EARLY_USART5 is not set
+
+#
+# Processor Type
+#
+CONFIG_CPU_32=y
+CONFIG_CPU_ARM926T=y
+CONFIG_CPU_32v5=y
+CONFIG_CPU_ABRT_EV5TJ=y
+CONFIG_CPU_CACHE_VIVT=y
+CONFIG_CPU_COPY_V4WB=y
+CONFIG_CPU_TLB_V4WBI=y
+CONFIG_CPU_CP15=y
+CONFIG_CPU_CP15_MMU=y
+
+#
+# Processor Features
+#
+# CONFIG_ARM_THUMB is not set
+# CONFIG_CPU_ICACHE_DISABLE is not set
+# CONFIG_CPU_DCACHE_DISABLE is not set
+# CONFIG_CPU_DCACHE_WRITETHROUGH is not set
+# CONFIG_CPU_CACHE_ROUND_ROBIN is not set
+# CONFIG_OUTER_CACHE is not set
+
+#
+# Bus support
+#
+# CONFIG_PCI_SYSCALL is not set
+# CONFIG_ARCH_SUPPORTS_MSI is not set
+# CONFIG_PCCARD is not set
+
+#
+# Kernel Features
+#
+# CONFIG_TICK_ONESHOT is not set
+# CONFIG_NO_HZ is not set
+# CONFIG_HIGH_RES_TIMERS is not set
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
+# CONFIG_PREEMPT is not set
+CONFIG_HZ=100
+CONFIG_AEABI=y
+CONFIG_OABI_COMPAT=y
+# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+# CONFIG_SPARSEMEM_STATIC is not set
+# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
+CONFIG_SPLIT_PTLOCK_CPUS=4096
+# CONFIG_RESOURCES_64BIT is not set
+CONFIG_ZONE_DMA_FLAG=1
+CONFIG_BOUNCE=y
+CONFIG_VIRT_TO_BUS=y
+# CONFIG_LEDS is not set
+CONFIG_ALIGNMENT_TRAP=y
+
+#
+# Boot options
+#
+CONFIG_ZBOOT_ROM_TEXT=0x0
+CONFIG_ZBOOT_ROM_BSS=0x0
+CONFIG_CMDLINE="mem=64M console=ttyS0,115200"
+# CONFIG_XIP_KERNEL is not set
+# CONFIG_KEXEC is not set
+
+#
+# Floating point emulation
+#
+
+#
+# At least one emulation must be selected
+#
+CONFIG_FPE_NWFPE=y
+# CONFIG_FPE_NWFPE_XP is not set
+# CONFIG_FPE_FASTFPE is not set
+# CONFIG_VFP is not set
+
+#
+# Userspace binary formats
+#
+CONFIG_BINFMT_ELF=y
+# CONFIG_BINFMT_AOUT is not set
+# CONFIG_BINFMT_MISC is not set
+
+#
+# Power management options
+#
+CONFIG_PM=y
+# CONFIG_PM_LEGACY is not set
+# CONFIG_PM_DEBUG is not set
+CONFIG_PM_SLEEP=y
+CONFIG_SUSPEND_UP_POSSIBLE=y
+CONFIG_SUSPEND=y
+# CONFIG_APM_EMULATION is not set
+
+#
+# Networking
+#
+CONFIG_NET=y
+
+#
+# Networking options
+#
+CONFIG_PACKET=y
+# CONFIG_PACKET_MMAP is not set
+CONFIG_UNIX=y
+# CONFIG_NET_KEY is not set
+CONFIG_INET=y
+CONFIG_IP_MULTICAST=y
+CONFIG_IP_ADVANCED_ROUTER=y
+CONFIG_ASK_IP_FIB_HASH=y
+# CONFIG_IP_FIB_TRIE is not set
+CONFIG_IP_FIB_HASH=y
+# CONFIG_IP_MULTIPLE_TABLES is not set
+# CONFIG_IP_ROUTE_MULTIPATH is not set
+CONFIG_IP_ROUTE_VERBOSE=y
+CONFIG_IP_PNP=y
+# CONFIG_IP_PNP_DHCP is not set
+CONFIG_IP_PNP_BOOTP=y
+CONFIG_IP_PNP_RARP=y
+# CONFIG_NET_IPIP is not set
+# CONFIG_NET_IPGRE is not set
+CONFIG_IP_MROUTE=y
+CONFIG_IP_PIMSM_V1=y
+CONFIG_IP_PIMSM_V2=y
+# CONFIG_ARPD is not set
+# CONFIG_SYN_COOKIES is not set
+# CONFIG_INET_AH is not set
+# CONFIG_INET_ESP is not set
+# CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_XFRM_TUNNEL is not set
+# CONFIG_INET_TUNNEL is not set
+# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
+# CONFIG_INET_XFRM_MODE_TUNNEL is not set
+# CONFIG_INET_XFRM_MODE_BEET is not set
+# CONFIG_INET_LRO is not set
+# CONFIG_INET_DIAG is not set
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_CUBIC=y
+CONFIG_DEFAULT_TCP_CONG="cubic"
+# CONFIG_TCP_MD5SIG is not set
+# CONFIG_IPV6 is not set
+# CONFIG_INET6_XFRM_TUNNEL is not set
+# CONFIG_INET6_TUNNEL is not set
+# CONFIG_NETWORK_SECMARK is not set
+# CONFIG_NETFILTER is not set
+# CONFIG_IP_DCCP is not set
+# CONFIG_IP_SCTP is not set
+# CONFIG_TIPC is not set
+# CONFIG_ATM is not set
+# CONFIG_BRIDGE is not set
+# CONFIG_VLAN_8021Q is not set
+# CONFIG_DECNET is not set
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# CONFIG_ATALK is not set
+# CONFIG_X25 is not set
+# CONFIG_LAPB is not set
+# CONFIG_ECONET is not set
+# CONFIG_WAN_ROUTER is not set
+# CONFIG_NET_SCHED is not set
+
+#
+# Network testing
+#
+# CONFIG_NET_PKTGEN is not set
+# CONFIG_HAMRADIO is not set
+# CONFIG_IRDA is not set
+# CONFIG_BT is not set
+# CONFIG_AF_RXRPC is not set
+
+#
+# Wireless
+#
+# CONFIG_CFG80211 is not set
+# CONFIG_WIRELESS_EXT is not set
+# CONFIG_MAC80211 is not set
+# CONFIG_IEEE80211 is not set
+# CONFIG_RFKILL is not set
+# CONFIG_NET_9P is not set
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+CONFIG_STANDALONE=y
+CONFIG_PREVENT_FIRMWARE_BUILD=y
+# CONFIG_FW_LOADER is not set
+# CONFIG_DEBUG_DRIVER is not set
+# CONFIG_DEBUG_DEVRES is not set
+# CONFIG_SYS_HYPERVISOR is not set
+# CONFIG_CONNECTOR is not set
+CONFIG_MTD=y
+# CONFIG_MTD_DEBUG is not set
+# CONFIG_MTD_CONCAT is not set
+CONFIG_MTD_PARTITIONS=y
+# CONFIG_MTD_REDBOOT_PARTS is not set
+CONFIG_MTD_CMDLINE_PARTS=y
+# CONFIG_MTD_AFS_PARTS is not set
+
+#
+# User Modules And Translation Layers
+#
+CONFIG_MTD_CHAR=y
+CONFIG_MTD_BLKDEVS=y
+CONFIG_MTD_BLOCK=y
+# CONFIG_FTL is not set
+# CONFIG_NFTL is not set
+# CONFIG_INFTL is not set
+# CONFIG_RFD_FTL is not set
+# CONFIG_SSFDC is not set
+# CONFIG_MTD_OOPS is not set
+
+#
+# RAM/ROM/Flash chip drivers
+#
+# CONFIG_MTD_CFI is not set
+# CONFIG_MTD_JEDECPROBE is not set
+CONFIG_MTD_MAP_BANK_WIDTH_1=y
+CONFIG_MTD_MAP_BANK_WIDTH_2=y
+CONFIG_MTD_MAP_BANK_WIDTH_4=y
+# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
+CONFIG_MTD_CFI_I1=y
+CONFIG_MTD_CFI_I2=y
+# CONFIG_MTD_CFI_I4 is not set
+# CONFIG_MTD_CFI_I8 is not set
+# CONFIG_MTD_RAM is not set
+# CONFIG_MTD_ROM is not set
+# CONFIG_MTD_ABSENT is not set
+
+#
+# Mapping drivers for chip access
+#
+# CONFIG_MTD_COMPLEX_MAPPINGS is not set
+# CONFIG_MTD_PLATRAM is not set
+
+#
+# Self-contained MTD device drivers
+#
+CONFIG_MTD_DATAFLASH=y
+# CONFIG_MTD_M25P80 is not set
+# CONFIG_MTD_SLRAM is not set
+# CONFIG_MTD_PHRAM is not set
+# CONFIG_MTD_MTDRAM is not set
+# CONFIG_MTD_BLOCK2MTD is not set
+
+#
+# Disk-On-Chip Device Drivers
+#
+# CONFIG_MTD_DOC2000 is not set
+# CONFIG_MTD_DOC2001 is not set
+# CONFIG_MTD_DOC2001PLUS is not set
+CONFIG_MTD_NAND=y
+# CONFIG_MTD_NAND_VERIFY_WRITE is not set
+# CONFIG_MTD_NAND_ECC_SMC is not set
+# CONFIG_MTD_NAND_MUSEUM_IDS is not set
+CONFIG_MTD_NAND_IDS=y
+# CONFIG_MTD_NAND_DISKONCHIP is not set
+CONFIG_MTD_NAND_AT91=y
+CONFIG_MTD_NAND_AT91_ECC_SOFT=y
+# CONFIG_MTD_NAND_AT91_ECC_HW is not set
+# CONFIG_MTD_NAND_AT91_ECC_NONE is not set
+# CONFIG_MTD_NAND_NANDSIM is not set
+# CONFIG_MTD_NAND_PLATFORM is not set
+# CONFIG_MTD_ALAUDA is not set
+# CONFIG_MTD_ONENAND is not set
+
+#
+# UBI - Unsorted block images
+#
+# CONFIG_MTD_UBI is not set
+# CONFIG_PARPORT is not set
+CONFIG_BLK_DEV=y
+# CONFIG_BLK_DEV_COW_COMMON is not set
+CONFIG_BLK_DEV_LOOP=y
+# CONFIG_BLK_DEV_CRYPTOLOOP is not set
+# CONFIG_BLK_DEV_NBD is not set
+# CONFIG_BLK_DEV_UB is not set
+# CONFIG_BLK_DEV_RAM is not set
+# CONFIG_CDROM_PKTCDVD is not set
+# CONFIG_ATA_OVER_ETH is not set
+# CONFIG_MISC_DEVICES is not set
+
+#
+# SCSI device support
+#
+# CONFIG_RAID_ATTRS is not set
+CONFIG_SCSI=y
+CONFIG_SCSI_DMA=y
+# CONFIG_SCSI_TGT is not set
+# CONFIG_SCSI_NETLINK is not set
+CONFIG_SCSI_PROC_FS=y
+
+#
+# SCSI support type (disk, tape, CD-ROM)
+#
+CONFIG_BLK_DEV_SD=y
+# CONFIG_CHR_DEV_ST is not set
+# CONFIG_CHR_DEV_OSST is not set
+# CONFIG_BLK_DEV_SR is not set
+# CONFIG_CHR_DEV_SG is not set
+# CONFIG_CHR_DEV_SCH is not set
+
+#
+# Some SCSI devices (e.g. CD jukebox) support multiple LUNs
+#
+CONFIG_SCSI_MULTI_LUN=y
+# CONFIG_SCSI_CONSTANTS is not set
+# CONFIG_SCSI_LOGGING is not set
+# CONFIG_SCSI_SCAN_ASYNC is not set
+CONFIG_SCSI_WAIT_SCAN=m
+
+#
+# SCSI Transports
+#
+# CONFIG_SCSI_SPI_ATTRS is not set
+# CONFIG_SCSI_FC_ATTRS is not set
+# CONFIG_SCSI_ISCSI_ATTRS is not set
+# CONFIG_SCSI_SAS_LIBSAS is not set
+# CONFIG_SCSI_SRP_ATTRS is not set
+CONFIG_SCSI_LOWLEVEL=y
+# CONFIG_ISCSI_TCP is not set
+# CONFIG_SCSI_DEBUG is not set
+# CONFIG_ATA is not set
+# CONFIG_MD is not set
+CONFIG_NETDEVICES=y
+# CONFIG_NETDEVICES_MULTIQUEUE is not set
+# CONFIG_DUMMY is not set
+# CONFIG_BONDING is not set
+# CONFIG_MACVLAN is not set
+# CONFIG_EQUALIZER is not set
+# CONFIG_TUN is not set
+# CONFIG_VETH is not set
+CONFIG_PHYLIB=y
+
+#
+# MII PHY device drivers
+#
+# CONFIG_MARVELL_PHY is not set
+# CONFIG_DAVICOM_PHY is not set
+# CONFIG_QSEMI_PHY is not set
+# CONFIG_LXT_PHY is not set
+# CONFIG_CICADA_PHY is not set
+# CONFIG_VITESSE_PHY is not set
+# CONFIG_SMSC_PHY is not set
+# CONFIG_BROADCOM_PHY is not set
+# CONFIG_ICPLUS_PHY is not set
+# CONFIG_FIXED_PHY is not set
+# CONFIG_MDIO_BITBANG is not set
+CONFIG_NET_ETHERNET=y
+CONFIG_MII=y
+CONFIG_MACB=y
+# CONFIG_AX88796 is not set
+# CONFIG_SMC91X is not set
+# CONFIG_DM9000 is not set
+# CONFIG_IBM_NEW_EMAC_ZMII is not set
+# CONFIG_IBM_NEW_EMAC_RGMII is not set
+# CONFIG_IBM_NEW_EMAC_TAH is not set
+# CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_B44 is not set
+CONFIG_NETDEV_1000=y
+CONFIG_NETDEV_10000=y
+
+#
+# Wireless LAN
+#
+# CONFIG_WLAN_PRE80211 is not set
+# CONFIG_WLAN_80211 is not set
+
+#
+# USB Network Adapters
+#
+# CONFIG_USB_CATC is not set
+# CONFIG_USB_KAWETH is not set
+# CONFIG_USB_PEGASUS is not set
+# CONFIG_USB_RTL8150 is not set
+# CONFIG_USB_USBNET is not set
+# CONFIG_WAN is not set
+# CONFIG_PPP is not set
+# CONFIG_SLIP is not set
+# CONFIG_SHAPER is not set
+# CONFIG_NETCONSOLE is not set
+# CONFIG_NETPOLL is not set
+# CONFIG_NET_POLL_CONTROLLER is not set
+# CONFIG_ISDN is not set
+
+#
+# Input device support
+#
+CONFIG_INPUT=y
+# CONFIG_INPUT_FF_MEMLESS is not set
+# CONFIG_INPUT_POLLDEV is not set
+
+#
+# Userland interfaces
+#
+CONFIG_INPUT_MOUSEDEV=y
+# CONFIG_INPUT_MOUSEDEV_PSAUX is not set
+CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
+CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
+# CONFIG_INPUT_JOYDEV is not set
+CONFIG_INPUT_EVDEV=y
+CONFIG_INPUT_EVBUG=y
+
+#
+# Input Device Drivers
+#
+CONFIG_INPUT_KEYBOARD=y
+# CONFIG_KEYBOARD_ATKBD is not set
+# CONFIG_KEYBOARD_SUNKBD is not set
+# CONFIG_KEYBOARD_LKKBD is not set
+# CONFIG_KEYBOARD_XTKBD is not set
+# CONFIG_KEYBOARD_NEWTON is not set
+# CONFIG_KEYBOARD_STOWAWAY is not set
+CONFIG_KEYBOARD_GPIO=y
+# CONFIG_INPUT_MOUSE is not set
+# CONFIG_INPUT_JOYSTICK is not set
+# CONFIG_INPUT_TABLET is not set
+# CONFIG_INPUT_TOUCHSCREEN is not set
+# CONFIG_INPUT_MISC is not set
+
+#
+# Hardware I/O ports
+#
+# CONFIG_SERIO is not set
+# CONFIG_GAMEPORT is not set
+
+#
+# Character devices
+#
+CONFIG_VT=y
+CONFIG_VT_CONSOLE=y
+CONFIG_HW_CONSOLE=y
+# CONFIG_VT_HW_CONSOLE_BINDING is not set
+# CONFIG_SERIAL_NONSTANDARD is not set
+
+#
+# Serial drivers
+#
+# CONFIG_SERIAL_8250 is not set
+
+#
+# Non-8250 serial port support
+#
+CONFIG_SERIAL_ATMEL=y
+CONFIG_SERIAL_ATMEL_CONSOLE=y
+# CONFIG_SERIAL_ATMEL_TTYAT is not set
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+CONFIG_UNIX98_PTYS=y
+CONFIG_LEGACY_PTYS=y
+CONFIG_LEGACY_PTY_COUNT=256
+# CONFIG_IPMI_HANDLER is not set
+CONFIG_HW_RANDOM=y
+# CONFIG_NVRAM is not set
+# CONFIG_R3964 is not set
+# CONFIG_RAW_DRIVER is not set
+# CONFIG_TCG_TPM is not set
+# CONFIG_I2C is not set
+
+#
+# SPI support
+#
+CONFIG_SPI=y
+# CONFIG_SPI_DEBUG is not set
+CONFIG_SPI_MASTER=y
+
+#
+# SPI Master Controller Drivers
+#
+CONFIG_SPI_ATMEL=y
+# CONFIG_SPI_BITBANG is not set
+
+#
+# SPI Protocol Masters
+#
+# CONFIG_SPI_AT25 is not set
+# CONFIG_SPI_SPIDEV is not set
+# CONFIG_SPI_TLE62X0 is not set
+# CONFIG_W1 is not set
+# CONFIG_POWER_SUPPLY is not set
+# CONFIG_HWMON is not set
+# CONFIG_WATCHDOG is not set
+
+#
+# Sonics Silicon Backplane
+#
+CONFIG_SSB_POSSIBLE=y
+# CONFIG_SSB is not set
+
+#
+# Multifunction device drivers
+#
+# CONFIG_MFD_SM501 is not set
+
+#
+# Multimedia devices
+#
+# CONFIG_VIDEO_DEV is not set
+# CONFIG_DVB_CORE is not set
+# CONFIG_DAB is not set
+
+#
+# Graphics support
+#
+# CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
+# CONFIG_FB is not set
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+
+#
+# Display device support
+#
+# CONFIG_DISPLAY_SUPPORT is not set
+
+#
+# Console display driver support
+#
+# CONFIG_VGA_CONSOLE is not set
+CONFIG_DUMMY_CONSOLE=y
+
+#
+# Sound
+#
+# CONFIG_SOUND is not set
+CONFIG_HID_SUPPORT=y
+CONFIG_HID=y
+# CONFIG_HID_DEBUG is not set
+# CONFIG_HIDRAW is not set
+
+#
+# USB Input Devices
+#
+# CONFIG_USB_HID is not set
+
+#
+# USB HID Boot Protocol drivers
+#
+# CONFIG_USB_KBD is not set
+# CONFIG_USB_MOUSE is not set
+CONFIG_USB_SUPPORT=y
+CONFIG_USB_ARCH_HAS_HCD=y
+CONFIG_USB_ARCH_HAS_OHCI=y
+# CONFIG_USB_ARCH_HAS_EHCI is not set
+CONFIG_USB=y
+# CONFIG_USB_DEBUG is not set
+
+#
+# Miscellaneous USB options
+#
+CONFIG_USB_DEVICEFS=y
+CONFIG_USB_DEVICE_CLASS=y
+# CONFIG_USB_DYNAMIC_MINORS is not set
+# CONFIG_USB_SUSPEND is not set
+# CONFIG_USB_PERSIST is not set
+# CONFIG_USB_OTG is not set
+
+#
+# USB Host Controller Drivers
+#
+# CONFIG_USB_ISP116X_HCD is not set
+CONFIG_USB_OHCI_HCD=y
+# CONFIG_USB_OHCI_BIG_ENDIAN_DESC is not set
+# CONFIG_USB_OHCI_BIG_ENDIAN_MMIO is not set
+CONFIG_USB_OHCI_LITTLE_ENDIAN=y
+# CONFIG_USB_SL811_HCD is not set
+# CONFIG_USB_R8A66597_HCD is not set
+
+#
+# USB Device Class drivers
+#
+# CONFIG_USB_ACM is not set
+# CONFIG_USB_PRINTER is not set
+
+#
+# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
+#
+
+#
+# may also be needed; see USB_STORAGE Help for more information
+#
+CONFIG_USB_STORAGE=y
+# CONFIG_USB_STORAGE_DEBUG is not set
+# CONFIG_USB_STORAGE_DATAFAB is not set
+# CONFIG_USB_STORAGE_FREECOM is not set
+# CONFIG_USB_STORAGE_ISD200 is not set
+# CONFIG_USB_STORAGE_DPCM is not set
+# CONFIG_USB_STORAGE_USBAT is not set
+# CONFIG_USB_STORAGE_SDDR09 is not set
+# CONFIG_USB_STORAGE_SDDR55 is not set
+# CONFIG_USB_STORAGE_JUMPSHOT is not set
+# CONFIG_USB_STORAGE_ALAUDA is not set
+# CONFIG_USB_STORAGE_KARMA is not set
+# CONFIG_USB_LIBUSUAL is not set
+
+#
+# USB Imaging devices
+#
+# CONFIG_USB_MDC800 is not set
+# CONFIG_USB_MICROTEK is not set
+CONFIG_USB_MON=y
+
+#
+# USB port drivers
+#
+
+#
+# USB Serial Converter support
+#
+# CONFIG_USB_SERIAL is not set
+
+#
+# USB Miscellaneous drivers
+#
+# CONFIG_USB_EMI62 is not set
+# CONFIG_USB_EMI26 is not set
+# CONFIG_USB_ADUTUX is not set
+# CONFIG_USB_AUERSWALD is not set
+# CONFIG_USB_RIO500 is not set
+# CONFIG_USB_LEGOTOWER is not set
+# CONFIG_USB_LCD is not set
+# CONFIG_USB_BERRY_CHARGE is not set
+# CONFIG_USB_LED is not set
+# CONFIG_USB_CYPRESS_CY7C63 is not set
+# CONFIG_USB_CYTHERM is not set
+# CONFIG_USB_PHIDGET is not set
+# CONFIG_USB_IDMOUSE is not set
+# CONFIG_USB_FTDI_ELAN is not set
+# CONFIG_USB_APPLEDISPLAY is not set
+# CONFIG_USB_LD is not set
+# CONFIG_USB_TRANCEVIBRATOR is not set
+# CONFIG_USB_IOWARRIOR is not set
+# CONFIG_USB_TEST is not set
+
+#
+# USB DSL modem support
+#
+
+#
+# USB Gadget Support
+#
+CONFIG_USB_GADGET=y
+# CONFIG_USB_GADGET_DEBUG is not set
+# CONFIG_USB_GADGET_DEBUG_FILES is not set
+CONFIG_USB_GADGET_SELECTED=y
+# CONFIG_USB_GADGET_AMD5536UDC is not set
+# CONFIG_USB_GADGET_ATMEL_USBA is not set
+# CONFIG_USB_GADGET_FSL_USB2 is not set
+# CONFIG_USB_GADGET_NET2280 is not set
+# CONFIG_USB_GADGET_PXA2XX is not set
+# CONFIG_USB_GADGET_M66592 is not set
+# CONFIG_USB_GADGET_GOKU is not set
+# CONFIG_USB_GADGET_LH7A40X is not set
+# CONFIG_USB_GADGET_OMAP is not set
+# CONFIG_USB_GADGET_S3C2410 is not set
+CONFIG_USB_GADGET_AT91=y
+CONFIG_USB_AT91=y
+# CONFIG_USB_GADGET_DUMMY_HCD is not set
+# CONFIG_USB_GADGET_DUALSPEED is not set
+# CONFIG_USB_ZERO is not set
+CONFIG_USB_ETH=y
+CONFIG_USB_ETH_RNDIS=y
+# CONFIG_USB_GADGETFS is not set
+# CONFIG_USB_FILE_STORAGE is not set
+# CONFIG_USB_G_SERIAL is not set
+# CONFIG_USB_MIDI_GADGET is not set
+# CONFIG_MMC is not set
+CONFIG_NEW_LEDS=y
+CONFIG_LEDS_CLASS=y
+
+#
+# LED drivers
+#
+CONFIG_LEDS_GPIO=y
+
+#
+# LED Triggers
+#
+CONFIG_LEDS_TRIGGERS=y
+# CONFIG_LEDS_TRIGGER_TIMER is not set
+CONFIG_LEDS_TRIGGER_HEARTBEAT=y
+CONFIG_RTC_LIB=y
+# CONFIG_RTC_CLASS is not set
+
+#
+# File systems
+#
+CONFIG_EXT2_FS=y
+# CONFIG_EXT2_FS_XATTR is not set
+# CONFIG_EXT2_FS_XIP is not set
+# CONFIG_EXT3_FS is not set
+# CONFIG_EXT4DEV_FS is not set
+# CONFIG_REISERFS_FS is not set
+# CONFIG_JFS_FS is not set
+CONFIG_FS_POSIX_ACL=y
+# CONFIG_XFS_FS is not set
+# CONFIG_GFS2_FS is not set
+# CONFIG_OCFS2_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_ROMFS_FS is not set
+CONFIG_INOTIFY=y
+CONFIG_INOTIFY_USER=y
+# CONFIG_QUOTA is not set
+CONFIG_DNOTIFY=y
+# CONFIG_AUTOFS_FS is not set
+# CONFIG_AUTOFS4_FS is not set
+CONFIG_FUSE_FS=m
+
+#
+# CD-ROM/DVD Filesystems
+#
+# CONFIG_ISO9660_FS is not set
+# CONFIG_UDF_FS is not set
+
+#
+# DOS/FAT/NT Filesystems
+#
+CONFIG_FAT_FS=y
+# CONFIG_MSDOS_FS is not set
+CONFIG_VFAT_FS=y
+CONFIG_FAT_DEFAULT_CODEPAGE=437
+CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
+# CONFIG_NTFS_FS is not set
+
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+CONFIG_PROC_SYSCTL=y
+CONFIG_SYSFS=y
+CONFIG_TMPFS=y
+# CONFIG_TMPFS_POSIX_ACL is not set
+# CONFIG_HUGETLB_PAGE is not set
+# CONFIG_CONFIGFS_FS is not set
+
+#
+# Miscellaneous filesystems
+#
+# CONFIG_ADFS_FS is not set
+# CONFIG_AFFS_FS is not set
+# CONFIG_HFS_FS is not set
+# CONFIG_HFSPLUS_FS is not set
+# CONFIG_BEFS_FS is not set
+# CONFIG_BFS_FS is not set
+# CONFIG_EFS_FS is not set
+CONFIG_JFFS2_FS=y
+CONFIG_JFFS2_FS_DEBUG=0
+CONFIG_JFFS2_FS_WRITEBUFFER=y
+# CONFIG_JFFS2_FS_WBUF_VERIFY is not set
+# CONFIG_JFFS2_SUMMARY is not set
+# CONFIG_JFFS2_FS_XATTR is not set
+# CONFIG_JFFS2_COMPRESSION_OPTIONS is not set
+CONFIG_JFFS2_ZLIB=y
+# CONFIG_JFFS2_LZO is not set
+CONFIG_JFFS2_RTIME=y
+# CONFIG_JFFS2_RUBIN is not set
+# CONFIG_CRAMFS is not set
+# CONFIG_VXFS_FS is not set
+# CONFIG_HPFS_FS is not set
+# CONFIG_QNX4FS_FS is not set
+# CONFIG_SYSV_FS is not set
+# CONFIG_UFS_FS is not set
+CONFIG_NETWORK_FILESYSTEMS=y
+CONFIG_NFS_FS=y
+CONFIG_NFS_V3=y
+CONFIG_NFS_V3_ACL=y
+CONFIG_NFS_V4=y
+# CONFIG_NFS_DIRECTIO is not set
+# CONFIG_NFSD is not set
+CONFIG_ROOT_NFS=y
+CONFIG_LOCKD=y
+CONFIG_LOCKD_V4=y
+CONFIG_NFS_ACL_SUPPORT=y
+CONFIG_NFS_COMMON=y
+CONFIG_SUNRPC=y
+CONFIG_SUNRPC_GSS=y
+# CONFIG_SUNRPC_BIND34 is not set
+CONFIG_RPCSEC_GSS_KRB5=y
+# CONFIG_RPCSEC_GSS_SPKM3 is not set
+# CONFIG_SMB_FS is not set
+# CONFIG_CIFS is not set
+# CONFIG_NCP_FS is not set
+# CONFIG_CODA_FS is not set
+# CONFIG_AFS_FS is not set
+
+#
+# Partition Types
+#
+# CONFIG_PARTITION_ADVANCED is not set
+CONFIG_MSDOS_PARTITION=y
+CONFIG_NLS=y
+CONFIG_NLS_DEFAULT="iso8859-1"
+CONFIG_NLS_CODEPAGE_437=y
+# CONFIG_NLS_CODEPAGE_737 is not set
+# CONFIG_NLS_CODEPAGE_775 is not set
+CONFIG_NLS_CODEPAGE_850=y
+# CONFIG_NLS_CODEPAGE_852 is not set
+# CONFIG_NLS_CODEPAGE_855 is not set
+# CONFIG_NLS_CODEPAGE_857 is not set
+# CONFIG_NLS_CODEPAGE_860 is not set
+# CONFIG_NLS_CODEPAGE_861 is not set
+# CONFIG_NLS_CODEPAGE_862 is not set
+# CONFIG_NLS_CODEPAGE_863 is not set
+# CONFIG_NLS_CODEPAGE_864 is not set
+# CONFIG_NLS_CODEPAGE_865 is not set
+# CONFIG_NLS_CODEPAGE_866 is not set
+# CONFIG_NLS_CODEPAGE_869 is not set
+# CONFIG_NLS_CODEPAGE_936 is not set
+# CONFIG_NLS_CODEPAGE_950 is not set
+# CONFIG_NLS_CODEPAGE_932 is not set
+# CONFIG_NLS_CODEPAGE_949 is not set
+# CONFIG_NLS_CODEPAGE_874 is not set
+# CONFIG_NLS_ISO8859_8 is not set
+# CONFIG_NLS_CODEPAGE_1250 is not set
+# CONFIG_NLS_CODEPAGE_1251 is not set
+# CONFIG_NLS_ASCII is not set
+CONFIG_NLS_ISO8859_1=y
+# CONFIG_NLS_ISO8859_2 is not set
+# CONFIG_NLS_ISO8859_3 is not set
+# CONFIG_NLS_ISO8859_4 is not set
+# CONFIG_NLS_ISO8859_5 is not set
+# CONFIG_NLS_ISO8859_6 is not set
+# CONFIG_NLS_ISO8859_7 is not set
+# CONFIG_NLS_ISO8859_9 is not set
+# CONFIG_NLS_ISO8859_13 is not set
+# CONFIG_NLS_ISO8859_14 is not set
+# CONFIG_NLS_ISO8859_15 is not set
+# CONFIG_NLS_KOI8_R is not set
+# CONFIG_NLS_KOI8_U is not set
+# CONFIG_NLS_UTF8 is not set
+# CONFIG_DLM is not set
+# CONFIG_INSTRUMENTATION is not set
+
+#
+# Kernel hacking
+#
+# CONFIG_PRINTK_TIME is not set
+CONFIG_ENABLE_WARN_DEPRECATED=y
+CONFIG_ENABLE_MUST_CHECK=y
+# CONFIG_MAGIC_SYSRQ is not set
+# CONFIG_UNUSED_SYMBOLS is not set
+# CONFIG_DEBUG_FS is not set
+# CONFIG_HEADERS_CHECK is not set
+CONFIG_DEBUG_KERNEL=y
+# CONFIG_DEBUG_SHIRQ is not set
+CONFIG_DETECT_SOFTLOCKUP=y
+CONFIG_SCHED_DEBUG=y
+# CONFIG_SCHEDSTATS is not set
+# CONFIG_TIMER_STATS is not set
+# CONFIG_DEBUG_SLAB is not set
+# CONFIG_DEBUG_RT_MUTEXES is not set
+# CONFIG_RT_MUTEX_TESTER is not set
+# CONFIG_DEBUG_SPINLOCK is not set
+# CONFIG_DEBUG_MUTEXES is not set
+# CONFIG_DEBUG_LOCK_ALLOC is not set
+# CONFIG_PROVE_LOCKING is not set
+# CONFIG_LOCK_STAT is not set
+# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
+# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
+# CONFIG_DEBUG_KOBJECT is not set
+CONFIG_DEBUG_BUGVERBOSE=y
+# CONFIG_DEBUG_INFO is not set
+# CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_LIST is not set
+# CONFIG_DEBUG_SG is not set
+CONFIG_FRAME_POINTER=y
+CONFIG_FORCED_INLINING=y
+# CONFIG_BOOT_PRINTK_DELAY is not set
+# CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_FAULT_INJECTION is not set
+# CONFIG_SAMPLES is not set
+CONFIG_DEBUG_USER=y
+# CONFIG_DEBUG_ERRORS is not set
+CONFIG_DEBUG_LL=y
+# CONFIG_DEBUG_ICEDCC is not set
+
+#
+# Security options
+#
+# CONFIG_KEYS is not set
+# CONFIG_SECURITY is not set
+# CONFIG_SECURITY_FILE_CAPABILITIES is not set
+CONFIG_CRYPTO=y
+CONFIG_CRYPTO_ALGAPI=y
+CONFIG_CRYPTO_BLKCIPHER=y
+CONFIG_CRYPTO_MANAGER=y
+# CONFIG_CRYPTO_HMAC is not set
+# CONFIG_CRYPTO_XCBC is not set
+# CONFIG_CRYPTO_NULL is not set
+# CONFIG_CRYPTO_MD4 is not set
+CONFIG_CRYPTO_MD5=y
+# CONFIG_CRYPTO_SHA1 is not set
+# CONFIG_CRYPTO_SHA256 is not set
+# CONFIG_CRYPTO_SHA512 is not set
+# CONFIG_CRYPTO_WP512 is not set
+# CONFIG_CRYPTO_TGR192 is not set
+# CONFIG_CRYPTO_GF128MUL is not set
+# CONFIG_CRYPTO_ECB is not set
+CONFIG_CRYPTO_CBC=y
+# CONFIG_CRYPTO_PCBC is not set
+# CONFIG_CRYPTO_LRW is not set
+# CONFIG_CRYPTO_XTS is not set
+# CONFIG_CRYPTO_CRYPTD is not set
+CONFIG_CRYPTO_DES=y
+# CONFIG_CRYPTO_FCRYPT is not set
+# CONFIG_CRYPTO_BLOWFISH is not set
+# CONFIG_CRYPTO_TWOFISH is not set
+# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_AES is not set
+# CONFIG_CRYPTO_CAST5 is not set
+# CONFIG_CRYPTO_CAST6 is not set
+# CONFIG_CRYPTO_TEA is not set
+# CONFIG_CRYPTO_ARC4 is not set
+# CONFIG_CRYPTO_KHAZAD is not set
+# CONFIG_CRYPTO_ANUBIS is not set
+# CONFIG_CRYPTO_SEED is not set
+# CONFIG_CRYPTO_DEFLATE is not set
+# CONFIG_CRYPTO_MICHAEL_MIC is not set
+# CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_CAMELLIA is not set
+# CONFIG_CRYPTO_TEST is not set
+# CONFIG_CRYPTO_AUTHENC is not set
+# CONFIG_CRYPTO_HW is not set
+
+#
+# Library routines
+#
+CONFIG_BITREVERSE=y
+# CONFIG_CRC_CCITT is not set
+# CONFIG_CRC16 is not set
+# CONFIG_CRC_ITU_T is not set
+CONFIG_CRC32=y
+# CONFIG_CRC7 is not set
+# CONFIG_LIBCRC32C is not set
+CONFIG_ZLIB_INFLATE=y
+CONFIG_ZLIB_DEFLATE=y
+CONFIG_PLIST=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
+CONFIG_HAS_DMA=y
diff --git a/arch/arm/configs/versatile_defconfig b/arch/arm/configs/versatile_defconfig
index 48dca69adda..8355f88f729 100644
--- a/arch/arm/configs/versatile_defconfig
+++ b/arch/arm/configs/versatile_defconfig
@@ -151,7 +151,6 @@ CONFIG_ARM_AMBA=y
# Kernel Features
#
# CONFIG_PREEMPT is not set
-# CONFIG_NO_IDLE_HZ is not set
CONFIG_HZ=100
# CONFIG_AEABI is not set
# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
diff --git a/arch/arm/configs/cm_x270_defconfig b/arch/arm/configs/xm_x270_defconfig
index 5cab08397ae..aa40d91ce59 100644
--- a/arch/arm/configs/cm_x270_defconfig
+++ b/arch/arm/configs/xm_x270_defconfig
@@ -1,13 +1,13 @@
#
# Automatically generated make config: don't edit
-# Linux kernel version: 2.6.22
-# Wed Jul 18 14:11:48 2007
+# Linux kernel version: 2.6.25
+# Sun May 11 15:12:52 2008
#
CONFIG_ARM=y
CONFIG_SYS_SUPPORTS_APM_EMULATION=y
CONFIG_GENERIC_GPIO=y
CONFIG_GENERIC_TIME=y
-# CONFIG_GENERIC_CLOCKEVENTS is not set
+CONFIG_GENERIC_CLOCKEVENTS=y
CONFIG_MMU=y
# CONFIG_NO_IOPORT is not set
CONFIG_GENERIC_HARDIRQS=y
@@ -21,21 +21,18 @@ CONFIG_RWSEM_GENERIC_SPINLOCK=y
# CONFIG_ARCH_HAS_ILOG2_U64 is not set
CONFIG_GENERIC_HWEIGHT=y
CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_ARCH_SUPPORTS_AOUT=y
CONFIG_ZONE_DMA=y
CONFIG_ARCH_MTD_XIP=y
CONFIG_VECTORS_BASE=0xffff0000
CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
#
-# Code maturity level options
+# General setup
#
CONFIG_EXPERIMENTAL=y
CONFIG_BROKEN_ON_SMP=y
CONFIG_INIT_ENV_ARG_LIMIT=32
-
-#
-# General setup
-#
CONFIG_LOCALVERSION=""
# CONFIG_LOCALVERSION_AUTO is not set
CONFIG_SWAP=y
@@ -44,13 +41,20 @@ CONFIG_SYSVIPC_SYSCTL=y
# CONFIG_POSIX_MQUEUE is not set
# CONFIG_BSD_PROCESS_ACCT is not set
# CONFIG_TASKSTATS is not set
-# CONFIG_USER_NS is not set
# CONFIG_AUDIT is not set
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
-CONFIG_LOG_BUF_SHIFT=17
+CONFIG_LOG_BUF_SHIFT=14
+# CONFIG_CGROUPS is not set
+CONFIG_GROUP_SCHED=y
+CONFIG_FAIR_GROUP_SCHED=y
+# CONFIG_RT_GROUP_SCHED is not set
+CONFIG_USER_SCHED=y
+# CONFIG_CGROUP_SCHED is not set
CONFIG_SYSFS_DEPRECATED=y
+CONFIG_SYSFS_DEPRECATED_V2=y
# CONFIG_RELAY is not set
+# CONFIG_NAMESPACES is not set
CONFIG_BLK_DEV_INITRD=y
CONFIG_INITRAMFS_SOURCE=""
CONFIG_CC_OPTIMIZE_FOR_SIZE=y
@@ -58,6 +62,7 @@ CONFIG_SYSCTL=y
CONFIG_EMBEDDED=y
CONFIG_UID16=y
CONFIG_SYSCTL_SYSCALL=y
+CONFIG_SYSCTL_SYSCALL_CHECK=y
CONFIG_KALLSYMS=y
# CONFIG_KALLSYMS_ALL is not set
# CONFIG_KALLSYMS_EXTRA_PASS is not set
@@ -65,24 +70,34 @@ CONFIG_HOTPLUG=y
CONFIG_PRINTK=y
CONFIG_BUG=y
CONFIG_ELF_CORE=y
+# CONFIG_COMPAT_BRK is not set
CONFIG_BASE_FULL=y
CONFIG_FUTEX=y
CONFIG_ANON_INODES=y
-# CONFIG_EPOLL is not set
-# CONFIG_SIGNALFD is not set
-# CONFIG_TIMERFD is not set
-# CONFIG_EVENTFD is not set
+CONFIG_EPOLL=y
+CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
+CONFIG_EVENTFD=y
CONFIG_SHMEM=y
-CONFIG_VM_EVENT_COUNTERS=y
-CONFIG_SLAB=y
-# CONFIG_SLUB is not set
+# CONFIG_VM_EVENT_COUNTERS is not set
+# CONFIG_SLUB_DEBUG is not set
+# CONFIG_SLAB is not set
+CONFIG_SLUB=y
# CONFIG_SLOB is not set
+# CONFIG_PROFILING is not set
+# CONFIG_MARKERS is not set
+CONFIG_HAVE_OPROFILE=y
+# CONFIG_KPROBES is not set
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+# CONFIG_HAVE_DMA_ATTRS is not set
+# CONFIG_PROC_PAGE_MONITOR is not set
CONFIG_RT_MUTEXES=y
# CONFIG_TINY_SHMEM is not set
CONFIG_BASE_SMALL=0
CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
-CONFIG_MODULE_FORCE_UNLOAD=y
+# CONFIG_MODULE_FORCE_UNLOAD is not set
# CONFIG_MODVERSIONS is not set
# CONFIG_MODULE_SRCVERSION_ALL is not set
CONFIG_KMOD=y
@@ -99,11 +114,12 @@ CONFIG_IOSCHED_NOOP=y
CONFIG_IOSCHED_AS=y
CONFIG_IOSCHED_DEADLINE=y
CONFIG_IOSCHED_CFQ=y
-CONFIG_DEFAULT_AS=y
+# CONFIG_DEFAULT_AS is not set
# CONFIG_DEFAULT_DEADLINE is not set
-# CONFIG_DEFAULT_CFQ is not set
+CONFIG_DEFAULT_CFQ=y
# CONFIG_DEFAULT_NOOP is not set
-CONFIG_DEFAULT_IOSCHED="anticipatory"
+CONFIG_DEFAULT_IOSCHED="cfq"
+CONFIG_CLASSIC_RCU=y
#
# System Type
@@ -131,6 +147,8 @@ CONFIG_DEFAULT_IOSCHED="anticipatory"
# CONFIG_ARCH_L7200 is not set
# CONFIG_ARCH_KS8695 is not set
# CONFIG_ARCH_NS9XXX is not set
+# CONFIG_ARCH_MXC is not set
+# CONFIG_ARCH_ORION5X is not set
# CONFIG_ARCH_PNX4008 is not set
CONFIG_ARCH_PXA=y
# CONFIG_ARCH_RPC is not set
@@ -140,19 +158,41 @@ CONFIG_ARCH_PXA=y
# CONFIG_ARCH_LH7A40X is not set
# CONFIG_ARCH_DAVINCI is not set
# CONFIG_ARCH_OMAP is not set
+# CONFIG_ARCH_MSM7X00A is not set
CONFIG_DMABOUNCE=y
#
-# Intel PXA2xx Implementations
+# Intel PXA2xx/PXA3xx Implementations
#
+
+#
+# Select target boards
+#
+# CONFIG_ARCH_GUMSTIX is not set
# CONFIG_ARCH_LUBBOCK is not set
# CONFIG_MACH_LOGICPD_PXA270 is not set
# CONFIG_MACH_MAINSTONE is not set
# CONFIG_ARCH_PXA_IDP is not set
# CONFIG_PXA_SHARPSL is not set
+# CONFIG_ARCH_PXA_ESERIES is not set
# CONFIG_MACH_TRIZEPS4 is not set
+CONFIG_MACH_EM_X270=y
+# CONFIG_MACH_COLIBRI is not set
+# CONFIG_MACH_ZYLONITE is not set
+# CONFIG_MACH_LITTLETON is not set
CONFIG_MACH_ARMCORE=y
+# CONFIG_MACH_MAGICIAN is not set
+# CONFIG_MACH_PCM027 is not set
CONFIG_PXA27x=y
+# CONFIG_PXA_PWM is not set
+
+#
+# Boot options
+#
+
+#
+# Power management
+#
#
# Processor Type
@@ -161,6 +201,7 @@ CONFIG_CPU_32=y
CONFIG_CPU_XSCALE=y
CONFIG_CPU_32v5=y
CONFIG_CPU_ABRT_EV5T=y
+CONFIG_CPU_PABRT_NOIFAR=y
CONFIG_CPU_CACHE_VIVT=y
CONFIG_CPU_TLB_V4WBI=y
CONFIG_CPU_CP15=y
@@ -182,21 +223,40 @@ CONFIG_PCI=y
CONFIG_PCI_SYSCALL=y
CONFIG_PCI_HOST_ITE8152=y
# CONFIG_ARCH_SUPPORTS_MSI is not set
+CONFIG_PCI_LEGACY=y
# CONFIG_PCI_DEBUG is not set
+CONFIG_PCCARD=m
+# CONFIG_PCMCIA_DEBUG is not set
+CONFIG_PCMCIA=m
+CONFIG_PCMCIA_LOAD_CIS=y
+CONFIG_PCMCIA_IOCTL=y
+CONFIG_CARDBUS=y
#
-# PCCARD (PCMCIA/CardBus) support
+# PC-card bridges
#
-# CONFIG_PCCARD is not set
+CONFIG_YENTA=m
+# CONFIG_YENTA_O2 is not set
+# CONFIG_YENTA_RICOH is not set
+CONFIG_YENTA_TI=y
+# CONFIG_YENTA_ENE_TUNE is not set
+# CONFIG_YENTA_TOSHIBA is not set
+# CONFIG_PD6729 is not set
+# CONFIG_I82092 is not set
+CONFIG_PCMCIA_PXA2XX=m
+CONFIG_PCCARD_NONSTATIC=m
#
# Kernel Features
#
-# CONFIG_TICK_ONESHOT is not set
+CONFIG_TICK_ONESHOT=y
+CONFIG_NO_HZ=y
+# CONFIG_HIGH_RES_TIMERS is not set
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
# CONFIG_PREEMPT is not set
-# CONFIG_NO_IDLE_HZ is not set
CONFIG_HZ=100
-# CONFIG_AEABI is not set
+CONFIG_AEABI=y
+CONFIG_OABI_COMPAT=y
# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
CONFIG_SELECT_MEMORY_MODEL=y
CONFIG_FLATMEM_MANUAL=y
@@ -205,6 +265,8 @@ CONFIG_FLATMEM_MANUAL=y
CONFIG_FLATMEM=y
CONFIG_FLAT_NODE_MEM_MAP=y
# CONFIG_SPARSEMEM_STATIC is not set
+# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
+CONFIG_PAGEFLAGS_EXTENDED=y
CONFIG_SPLIT_PTLOCK_CPUS=4096
# CONFIG_RESOURCES_64BIT is not set
CONFIG_ZONE_DMA_FLAG=1
@@ -217,11 +279,16 @@ CONFIG_ALIGNMENT_TRAP=y
#
CONFIG_ZBOOT_ROM_TEXT=0x0
CONFIG_ZBOOT_ROM_BSS=0x0
-CONFIG_CMDLINE=""
+CONFIG_CMDLINE="root=1f03 mem=32M"
# CONFIG_XIP_KERNEL is not set
# CONFIG_KEXEC is not set
#
+# CPU Frequency scaling
+#
+# CONFIG_CPU_FREQ is not set
+
+#
# Floating point emulation
#
@@ -238,16 +305,17 @@ CONFIG_FPE_NWFPE=y
CONFIG_BINFMT_ELF=y
# CONFIG_BINFMT_AOUT is not set
# CONFIG_BINFMT_MISC is not set
-# CONFIG_ARTHUR is not set
#
# Power management options
#
CONFIG_PM=y
-# CONFIG_PM_LEGACY is not set
# CONFIG_PM_DEBUG is not set
-# CONFIG_PM_SYSFS_DEPRECATED is not set
-# CONFIG_APM_EMULATION is not set
+CONFIG_PM_SLEEP=y
+CONFIG_SUSPEND=y
+CONFIG_SUSPEND_FREEZER=y
+CONFIG_APM_EMULATION=m
+CONFIG_ARCH_SUSPEND_POSSIBLE=y
#
# Networking
@@ -258,15 +326,16 @@ CONFIG_NET=y
# Networking options
#
CONFIG_PACKET=y
-# CONFIG_PACKET_MMAP is not set
+CONFIG_PACKET_MMAP=y
CONFIG_UNIX=y
CONFIG_XFRM=y
# CONFIG_XFRM_USER is not set
# CONFIG_XFRM_SUB_POLICY is not set
# CONFIG_XFRM_MIGRATE is not set
+# CONFIG_XFRM_STATISTICS is not set
# CONFIG_NET_KEY is not set
CONFIG_INET=y
-# CONFIG_IP_MULTICAST is not set
+CONFIG_IP_MULTICAST=y
# CONFIG_IP_ADVANCED_ROUTER is not set
CONFIG_IP_FIB_HASH=y
CONFIG_IP_PNP=y
@@ -275,6 +344,7 @@ CONFIG_IP_PNP_BOOTP=y
# CONFIG_IP_PNP_RARP is not set
# CONFIG_NET_IPIP is not set
# CONFIG_NET_IPGRE is not set
+# CONFIG_IP_MROUTE is not set
# CONFIG_ARPD is not set
# CONFIG_SYN_COOKIES is not set
# CONFIG_INET_AH is not set
@@ -285,15 +355,13 @@ CONFIG_IP_PNP_BOOTP=y
CONFIG_INET_XFRM_MODE_TRANSPORT=y
CONFIG_INET_XFRM_MODE_TUNNEL=y
CONFIG_INET_XFRM_MODE_BEET=y
-CONFIG_INET_DIAG=y
-CONFIG_INET_TCP_DIAG=y
+# CONFIG_INET_LRO is not set
+# CONFIG_INET_DIAG is not set
# CONFIG_TCP_CONG_ADVANCED is not set
CONFIG_TCP_CONG_CUBIC=y
CONFIG_DEFAULT_TCP_CONG="cubic"
# CONFIG_TCP_MD5SIG is not set
# CONFIG_IPV6 is not set
-# CONFIG_INET6_XFRM_TUNNEL is not set
-# CONFIG_INET6_TUNNEL is not set
# CONFIG_NETWORK_SECMARK is not set
# CONFIG_NETFILTER is not set
# CONFIG_IP_DCCP is not set
@@ -310,10 +378,6 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
# CONFIG_LAPB is not set
# CONFIG_ECONET is not set
# CONFIG_WAN_ROUTER is not set
-
-#
-# QoS and/or fair queueing
-#
# CONFIG_NET_SCHED is not set
#
@@ -321,8 +385,33 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
#
# CONFIG_NET_PKTGEN is not set
# CONFIG_HAMRADIO is not set
+# CONFIG_CAN is not set
# CONFIG_IRDA is not set
-# CONFIG_BT is not set
+CONFIG_BT=m
+CONFIG_BT_L2CAP=m
+CONFIG_BT_SCO=m
+CONFIG_BT_RFCOMM=m
+# CONFIG_BT_RFCOMM_TTY is not set
+CONFIG_BT_BNEP=m
+# CONFIG_BT_BNEP_MC_FILTER is not set
+# CONFIG_BT_BNEP_PROTO_FILTER is not set
+CONFIG_BT_HIDP=m
+
+#
+# Bluetooth device drivers
+#
+CONFIG_BT_HCIUSB=m
+CONFIG_BT_HCIUSB_SCO=y
+# CONFIG_BT_HCIBTSDIO is not set
+# CONFIG_BT_HCIUART is not set
+# CONFIG_BT_HCIBCM203X is not set
+# CONFIG_BT_HCIBPA10X is not set
+# CONFIG_BT_HCIBFUSB is not set
+# CONFIG_BT_HCIDTL1 is not set
+# CONFIG_BT_HCIBT3C is not set
+# CONFIG_BT_HCIBLUECARD is not set
+# CONFIG_BT_HCIBTUART is not set
+# CONFIG_BT_HCIVHCI is not set
# CONFIG_AF_RXRPC is not set
#
@@ -331,12 +420,7 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
# CONFIG_CFG80211 is not set
CONFIG_WIRELESS_EXT=y
# CONFIG_MAC80211 is not set
-CONFIG_IEEE80211=m
-# CONFIG_IEEE80211_DEBUG is not set
-CONFIG_IEEE80211_CRYPT_WEP=m
-CONFIG_IEEE80211_CRYPT_CCMP=m
-# CONFIG_IEEE80211_CRYPT_TKIP is not set
-# CONFIG_IEEE80211_SOFTMAC is not set
+# CONFIG_IEEE80211 is not set
# CONFIG_RFKILL is not set
# CONFIG_NET_9P is not set
@@ -347,38 +431,47 @@ CONFIG_IEEE80211_CRYPT_CCMP=m
#
# Generic Driver Options
#
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_STANDALONE=y
CONFIG_PREVENT_FIRMWARE_BUILD=y
-CONFIG_FW_LOADER=y
+CONFIG_FW_LOADER=m
# CONFIG_DEBUG_DRIVER is not set
# CONFIG_DEBUG_DEVRES is not set
# CONFIG_SYS_HYPERVISOR is not set
# CONFIG_CONNECTOR is not set
-CONFIG_MTD=m
+CONFIG_MTD=y
# CONFIG_MTD_DEBUG is not set
# CONFIG_MTD_CONCAT is not set
CONFIG_MTD_PARTITIONS=y
# CONFIG_MTD_REDBOOT_PARTS is not set
+CONFIG_MTD_CMDLINE_PARTS=y
# CONFIG_MTD_AFS_PARTS is not set
+# CONFIG_MTD_AR7_PARTS is not set
#
# User Modules And Translation Layers
#
-CONFIG_MTD_CHAR=m
-CONFIG_MTD_BLKDEVS=m
-CONFIG_MTD_BLOCK=m
-# CONFIG_MTD_BLOCK_RO is not set
+CONFIG_MTD_CHAR=y
+CONFIG_MTD_BLKDEVS=y
+CONFIG_MTD_BLOCK=y
# CONFIG_FTL is not set
# CONFIG_NFTL is not set
# CONFIG_INFTL is not set
# CONFIG_RFD_FTL is not set
# CONFIG_SSFDC is not set
+# CONFIG_MTD_OOPS is not set
#
# RAM/ROM/Flash chip drivers
#
-# CONFIG_MTD_CFI is not set
-# CONFIG_MTD_JEDECPROBE is not set
+CONFIG_MTD_CFI=y
+CONFIG_MTD_JEDECPROBE=y
+CONFIG_MTD_GEN_PROBE=y
+CONFIG_MTD_CFI_ADV_OPTIONS=y
+CONFIG_MTD_CFI_NOSWAP=y
+# CONFIG_MTD_CFI_BE_BYTE_SWAP is not set
+# CONFIG_MTD_CFI_LE_BYTE_SWAP is not set
+# CONFIG_MTD_CFI_GEOMETRY is not set
CONFIG_MTD_MAP_BANK_WIDTH_1=y
CONFIG_MTD_MAP_BANK_WIDTH_2=y
CONFIG_MTD_MAP_BANK_WIDTH_4=y
@@ -389,15 +482,29 @@ CONFIG_MTD_CFI_I1=y
CONFIG_MTD_CFI_I2=y
# CONFIG_MTD_CFI_I4 is not set
# CONFIG_MTD_CFI_I8 is not set
+# CONFIG_MTD_OTP is not set
+CONFIG_MTD_CFI_INTELEXT=y
+CONFIG_MTD_CFI_AMDSTD=y
+CONFIG_MTD_CFI_STAA=y
+CONFIG_MTD_CFI_UTIL=y
# CONFIG_MTD_RAM is not set
# CONFIG_MTD_ROM is not set
# CONFIG_MTD_ABSENT is not set
+# CONFIG_MTD_XIP is not set
#
# Mapping drivers for chip access
#
# CONFIG_MTD_COMPLEX_MAPPINGS is not set
+CONFIG_MTD_PHYSMAP=y
+CONFIG_MTD_PHYSMAP_START=0x0
+CONFIG_MTD_PHYSMAP_LEN=0x400000
+CONFIG_MTD_PHYSMAP_BANKWIDTH=2
+CONFIG_MTD_PXA2XX=y
+# CONFIG_MTD_ARM_INTEGRATOR is not set
+# CONFIG_MTD_IMPA7 is not set
# CONFIG_MTD_SHARP_SL is not set
+# CONFIG_MTD_INTEL_VR_NOR is not set
# CONFIG_MTD_PLATRAM is not set
#
@@ -415,18 +522,19 @@ CONFIG_MTD_CFI_I2=y
# CONFIG_MTD_DOC2000 is not set
# CONFIG_MTD_DOC2001 is not set
# CONFIG_MTD_DOC2001PLUS is not set
-CONFIG_MTD_NAND=m
+CONFIG_MTD_NAND=y
# CONFIG_MTD_NAND_VERIFY_WRITE is not set
# CONFIG_MTD_NAND_ECC_SMC is not set
# CONFIG_MTD_NAND_MUSEUM_IDS is not set
# CONFIG_MTD_NAND_H1900 is not set
-CONFIG_MTD_NAND_IDS=m
+CONFIG_MTD_NAND_IDS=y
# CONFIG_MTD_NAND_DISKONCHIP is not set
# CONFIG_MTD_NAND_SHARPSL is not set
# CONFIG_MTD_NAND_CAFE is not set
-CONFIG_MTD_NAND_CM_X270=m
+CONFIG_MTD_NAND_CM_X270=y
# CONFIG_MTD_NAND_NANDSIM is not set
-# CONFIG_MTD_NAND_PLATFORM is not set
+CONFIG_MTD_NAND_PLATFORM=y
+# CONFIG_MTD_ALAUDA is not set
# CONFIG_MTD_ONENAND is not set
#
@@ -447,36 +555,13 @@ CONFIG_BLK_DEV_LOOP=y
# CONFIG_BLK_DEV_UB is not set
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_RAM_COUNT=16
-CONFIG_BLK_DEV_RAM_SIZE=12000
-CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024
+CONFIG_BLK_DEV_RAM_SIZE=4096
+# CONFIG_BLK_DEV_XIP is not set
# CONFIG_CDROM_PKTCDVD is not set
# CONFIG_ATA_OVER_ETH is not set
-CONFIG_IDE=m
-CONFIG_IDE_MAX_HWIFS=4
-CONFIG_BLK_DEV_IDE=m
-
-#
-# Please see Documentation/ide.txt for help/info on IDE drives
-#
-# CONFIG_BLK_DEV_IDE_SATA is not set
-CONFIG_BLK_DEV_IDEDISK=m
-# CONFIG_IDEDISK_MULTI_MODE is not set
-CONFIG_BLK_DEV_IDECD=m
-# CONFIG_BLK_DEV_IDETAPE is not set
-# CONFIG_BLK_DEV_IDEFLOPPY is not set
-# CONFIG_BLK_DEV_IDESCSI is not set
-# CONFIG_IDE_TASK_IOCTL is not set
-CONFIG_IDE_PROC_FS=y
-
-#
-# IDE chipset support/bugfixes
-#
-# CONFIG_IDE_GENERIC is not set
-# CONFIG_BLK_DEV_IDEPCI is not set
-# CONFIG_IDEPCI_PCIBUS_ORDER is not set
-# CONFIG_IDE_ARM is not set
-# CONFIG_BLK_DEV_IDEDMA is not set
-# CONFIG_BLK_DEV_HD is not set
+# CONFIG_MISC_DEVICES is not set
+CONFIG_HAVE_IDE=y
+# CONFIG_IDE is not set
#
# SCSI device support
@@ -486,7 +571,7 @@ CONFIG_SCSI=y
CONFIG_SCSI_DMA=y
# CONFIG_SCSI_TGT is not set
# CONFIG_SCSI_NETLINK is not set
-# CONFIG_SCSI_PROC_FS is not set
+CONFIG_SCSI_PROC_FS=y
#
# SCSI support type (disk, tape, CD-ROM)
@@ -513,12 +598,9 @@ CONFIG_SCSI_WAIT_SCAN=m
# CONFIG_SCSI_SPI_ATTRS is not set
# CONFIG_SCSI_FC_ATTRS is not set
# CONFIG_SCSI_ISCSI_ATTRS is not set
-# CONFIG_SCSI_SAS_ATTRS is not set
# CONFIG_SCSI_SAS_LIBSAS is not set
-
-#
-# SCSI low-level drivers
-#
+# CONFIG_SCSI_SRP_ATTRS is not set
+CONFIG_SCSI_LOWLEVEL=y
# CONFIG_ISCSI_TCP is not set
# CONFIG_BLK_DEV_3W_XXXX_RAID is not set
# CONFIG_SCSI_3W_9XXX is not set
@@ -529,6 +611,7 @@ CONFIG_SCSI_WAIT_SCAN=m
# CONFIG_SCSI_AIC79XX is not set
# CONFIG_SCSI_AIC94XX is not set
# CONFIG_SCSI_DPT_I2O is not set
+# CONFIG_SCSI_ADVANSYS is not set
# CONFIG_SCSI_ARCMSR is not set
# CONFIG_MEGARAID_NEWGEN is not set
# CONFIG_MEGARAID_LEGACY is not set
@@ -539,8 +622,10 @@ CONFIG_SCSI_WAIT_SCAN=m
# CONFIG_SCSI_IPS is not set
# CONFIG_SCSI_INITIO is not set
# CONFIG_SCSI_INIA100 is not set
+# CONFIG_SCSI_MVSAS is not set
# CONFIG_SCSI_STEX is not set
# CONFIG_SCSI_SYM53C8XX_2 is not set
+# CONFIG_SCSI_IPR is not set
# CONFIG_SCSI_QLOGIC_1280 is not set
# CONFIG_SCSI_QLA_FC is not set
# CONFIG_SCSI_QLA_ISCSI is not set
@@ -550,16 +635,69 @@ CONFIG_SCSI_WAIT_SCAN=m
# CONFIG_SCSI_NSP32 is not set
# CONFIG_SCSI_DEBUG is not set
# CONFIG_SCSI_SRP is not set
-# CONFIG_ATA is not set
+# CONFIG_SCSI_LOWLEVEL_PCMCIA is not set
+CONFIG_ATA=m
+# CONFIG_ATA_NONSTANDARD is not set
+# CONFIG_SATA_PMP is not set
+# CONFIG_SATA_AHCI is not set
+# CONFIG_SATA_SIL24 is not set
+CONFIG_ATA_SFF=y
+# CONFIG_SATA_SVW is not set
+# CONFIG_ATA_PIIX is not set
+# CONFIG_SATA_MV is not set
+# CONFIG_SATA_NV is not set
+# CONFIG_PDC_ADMA is not set
+# CONFIG_SATA_QSTOR is not set
+# CONFIG_SATA_PROMISE is not set
+# CONFIG_SATA_SX4 is not set
+# CONFIG_SATA_SIL is not set
+# CONFIG_SATA_SIS is not set
+# CONFIG_SATA_ULI is not set
+# CONFIG_SATA_VIA is not set
+# CONFIG_SATA_VITESSE is not set
+# CONFIG_SATA_INIC162X is not set
+# CONFIG_PATA_ALI is not set
+# CONFIG_PATA_AMD is not set
+# CONFIG_PATA_ARTOP is not set
+# CONFIG_PATA_ATIIXP is not set
+# CONFIG_PATA_CMD640_PCI is not set
+# CONFIG_PATA_CMD64X is not set
+# CONFIG_PATA_CS5520 is not set
+# CONFIG_PATA_CS5530 is not set
+# CONFIG_PATA_CYPRESS is not set
+# CONFIG_PATA_EFAR is not set
+# CONFIG_ATA_GENERIC is not set
+# CONFIG_PATA_HPT366 is not set
+# CONFIG_PATA_HPT37X is not set
+# CONFIG_PATA_HPT3X2N is not set
+# CONFIG_PATA_HPT3X3 is not set
+# CONFIG_PATA_IT821X is not set
+# CONFIG_PATA_IT8213 is not set
+# CONFIG_PATA_JMICRON is not set
+# CONFIG_PATA_TRIFLEX is not set
+# CONFIG_PATA_MARVELL is not set
+# CONFIG_PATA_MPIIX is not set
+# CONFIG_PATA_OLDPIIX is not set
+# CONFIG_PATA_NETCELL is not set
+# CONFIG_PATA_NINJA32 is not set
+# CONFIG_PATA_NS87410 is not set
+# CONFIG_PATA_NS87415 is not set
+# CONFIG_PATA_OPTI is not set
+# CONFIG_PATA_OPTIDMA is not set
+CONFIG_PATA_PCMCIA=m
+# CONFIG_PATA_PDC_OLD is not set
+# CONFIG_PATA_RADISYS is not set
+# CONFIG_PATA_RZ1000 is not set
+# CONFIG_PATA_SC1200 is not set
+# CONFIG_PATA_SERVERWORKS is not set
+# CONFIG_PATA_PDC2027X is not set
+# CONFIG_PATA_SIL680 is not set
+# CONFIG_PATA_SIS is not set
+# CONFIG_PATA_VIA is not set
+# CONFIG_PATA_WINBOND is not set
+# CONFIG_PATA_PLATFORM is not set
# CONFIG_MD is not set
-
-#
-# Fusion MPT device support
-#
# CONFIG_FUSION is not set
-# CONFIG_FUSION_SPI is not set
-# CONFIG_FUSION_FC is not set
-# CONFIG_FUSION_SAS is not set
#
# IEEE 1394 (FireWire) support
@@ -574,6 +712,7 @@ CONFIG_NETDEVICES=y
# CONFIG_MACVLAN is not set
# CONFIG_EQUALIZER is not set
# CONFIG_TUN is not set
+# CONFIG_VETH is not set
# CONFIG_ARCNET is not set
# CONFIG_PHYLIB is not set
CONFIG_NET_ETHERNET=y
@@ -585,64 +724,65 @@ CONFIG_MII=y
# CONFIG_NET_VENDOR_3COM is not set
# CONFIG_SMC91X is not set
CONFIG_DM9000=y
+CONFIG_DM9000_DEBUGLEVEL=1
# CONFIG_SMC911X is not set
# CONFIG_NET_TULIP is not set
# CONFIG_HP100 is not set
+# CONFIG_IBM_NEW_EMAC_ZMII is not set
+# CONFIG_IBM_NEW_EMAC_RGMII is not set
+# CONFIG_IBM_NEW_EMAC_TAH is not set
+# CONFIG_IBM_NEW_EMAC_EMAC4 is not set
CONFIG_NET_PCI=y
# CONFIG_PCNET32 is not set
# CONFIG_AMD8111_ETH is not set
# CONFIG_ADAPTEC_STARFIRE is not set
# CONFIG_B44 is not set
# CONFIG_FORCEDETH is not set
-# CONFIG_DGRS is not set
# CONFIG_EEPRO100 is not set
# CONFIG_E100 is not set
# CONFIG_FEALNX is not set
# CONFIG_NATSEMI is not set
# CONFIG_NE2K_PCI is not set
# CONFIG_8139CP is not set
-CONFIG_8139TOO=m
+CONFIG_8139TOO=y
# CONFIG_8139TOO_PIO is not set
# CONFIG_8139TOO_TUNE_TWISTER is not set
# CONFIG_8139TOO_8129 is not set
# CONFIG_8139_OLD_RX_RESET is not set
+# CONFIG_R6040 is not set
# CONFIG_SIS900 is not set
# CONFIG_EPIC100 is not set
# CONFIG_SUNDANCE is not set
# CONFIG_TLAN is not set
# CONFIG_VIA_RHINE is not set
# CONFIG_SC92031 is not set
-CONFIG_NETDEV_1000=y
-# CONFIG_ACENIC is not set
-# CONFIG_DL2K is not set
-# CONFIG_E1000 is not set
-# CONFIG_NS83820 is not set
-# CONFIG_HAMACHI is not set
-# CONFIG_YELLOWFIN is not set
-# CONFIG_R8169 is not set
-# CONFIG_SIS190 is not set
-# CONFIG_SKGE is not set
-# CONFIG_SKY2 is not set
-# CONFIG_VIA_VELOCITY is not set
-# CONFIG_TIGON3 is not set
-# CONFIG_BNX2 is not set
-# CONFIG_QLA3XXX is not set
-# CONFIG_ATL1 is not set
-CONFIG_NETDEV_10000=y
-# CONFIG_CHELSIO_T1 is not set
-# CONFIG_CHELSIO_T3 is not set
-# CONFIG_IXGB is not set
-# CONFIG_S2IO is not set
-# CONFIG_MYRI10GE is not set
-# CONFIG_NETXEN_NIC is not set
-# CONFIG_MLX4_CORE is not set
+# CONFIG_NETDEV_1000 is not set
+# CONFIG_NETDEV_10000 is not set
# CONFIG_TR is not set
#
# Wireless LAN
#
# CONFIG_WLAN_PRE80211 is not set
-# CONFIG_WLAN_80211 is not set
+CONFIG_WLAN_80211=y
+# CONFIG_PCMCIA_RAYCS is not set
+# CONFIG_IPW2100 is not set
+# CONFIG_IPW2200 is not set
+CONFIG_LIBERTAS=m
+# CONFIG_LIBERTAS_USB is not set
+# CONFIG_LIBERTAS_CS is not set
+CONFIG_LIBERTAS_SDIO=m
+# CONFIG_LIBERTAS_DEBUG is not set
+# CONFIG_HERMES is not set
+# CONFIG_ATMEL is not set
+# CONFIG_AIRO_CS is not set
+# CONFIG_PCMCIA_WL3501 is not set
+# CONFIG_PRISM54 is not set
+# CONFIG_USB_ZD1201 is not set
+# CONFIG_USB_NET_RNDIS_WLAN is not set
+# CONFIG_IWLWIFI is not set
+# CONFIG_IWLWIFI_LEDS is not set
+# CONFIG_HOSTAP is not set
#
# USB Network Adapters
@@ -651,15 +791,24 @@ CONFIG_NETDEV_10000=y
# CONFIG_USB_KAWETH is not set
# CONFIG_USB_PEGASUS is not set
# CONFIG_USB_RTL8150 is not set
-# CONFIG_USB_USBNET_MII is not set
# CONFIG_USB_USBNET is not set
+# CONFIG_NET_PCMCIA is not set
# CONFIG_WAN is not set
# CONFIG_FDDI is not set
# CONFIG_HIPPI is not set
-# CONFIG_PPP is not set
+CONFIG_PPP=m
+CONFIG_PPP_MULTILINK=y
+CONFIG_PPP_FILTER=y
+CONFIG_PPP_ASYNC=m
+# CONFIG_PPP_SYNC_TTY is not set
+CONFIG_PPP_DEFLATE=m
+CONFIG_PPP_BSDCOMP=m
+# CONFIG_PPP_MPPE is not set
+# CONFIG_PPPOE is not set
+# CONFIG_PPPOL2TP is not set
# CONFIG_SLIP is not set
+CONFIG_SLHC=m
# CONFIG_NET_FC is not set
-# CONFIG_SHAPER is not set
# CONFIG_NETCONSOLE is not set
# CONFIG_NETPOLL is not set
# CONFIG_NET_POLL_CONTROLLER is not set
@@ -675,20 +824,32 @@ CONFIG_INPUT=y
#
# Userland interfaces
#
-# CONFIG_INPUT_MOUSEDEV is not set
+CONFIG_INPUT_MOUSEDEV=y
+CONFIG_INPUT_MOUSEDEV_PSAUX=y
+CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
+CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
# CONFIG_INPUT_JOYDEV is not set
-# CONFIG_INPUT_TSDEV is not set
CONFIG_INPUT_EVDEV=y
# CONFIG_INPUT_EVBUG is not set
+# CONFIG_INPUT_APMPOWER is not set
#
# Input Device Drivers
#
-# CONFIG_INPUT_KEYBOARD is not set
+CONFIG_INPUT_KEYBOARD=y
+CONFIG_KEYBOARD_ATKBD=y
+# CONFIG_KEYBOARD_SUNKBD is not set
+# CONFIG_KEYBOARD_LKKBD is not set
+# CONFIG_KEYBOARD_XTKBD is not set
+# CONFIG_KEYBOARD_NEWTON is not set
+# CONFIG_KEYBOARD_STOWAWAY is not set
+CONFIG_KEYBOARD_PXA27x=m
+# CONFIG_KEYBOARD_GPIO is not set
# CONFIG_INPUT_MOUSE is not set
# CONFIG_INPUT_JOYSTICK is not set
# CONFIG_INPUT_TABLET is not set
CONFIG_INPUT_TOUCHSCREEN=y
+# CONFIG_TOUCHSCREEN_FUJITSU is not set
# CONFIG_TOUCHSCREEN_GUNZE is not set
# CONFIG_TOUCHSCREEN_ELO is not set
# CONFIG_TOUCHSCREEN_MTOUCH is not set
@@ -697,13 +858,22 @@ CONFIG_INPUT_TOUCHSCREEN=y
# CONFIG_TOUCHSCREEN_TOUCHRIGHT is not set
# CONFIG_TOUCHSCREEN_TOUCHWIN is not set
CONFIG_TOUCHSCREEN_UCB1400=m
+CONFIG_TOUCHSCREEN_WM97XX=m
+# CONFIG_TOUCHSCREEN_WM9705 is not set
+CONFIG_TOUCHSCREEN_WM9712=y
+# CONFIG_TOUCHSCREEN_WM9713 is not set
+# CONFIG_TOUCHSCREEN_WM97XX_MAINSTONE is not set
# CONFIG_TOUCHSCREEN_USB_COMPOSITE is not set
# CONFIG_INPUT_MISC is not set
#
# Hardware I/O ports
#
-# CONFIG_SERIO is not set
+CONFIG_SERIO=y
+# CONFIG_SERIO_SERPORT is not set
+# CONFIG_SERIO_PCIPS2 is not set
+CONFIG_SERIO_LIBPS2=y
+# CONFIG_SERIO_RAW is not set
# CONFIG_GAMEPORT is not set
#
@@ -713,7 +883,9 @@ CONFIG_VT=y
CONFIG_VT_CONSOLE=y
CONFIG_HW_CONSOLE=y
# CONFIG_VT_HW_CONSOLE_BINDING is not set
+CONFIG_DEVKMEM=y
# CONFIG_SERIAL_NONSTANDARD is not set
+# CONFIG_NOZOMI is not set
#
# Serial drivers
@@ -730,83 +902,141 @@ CONFIG_SERIAL_CORE_CONSOLE=y
# CONFIG_SERIAL_JSM is not set
CONFIG_UNIX98_PTYS=y
CONFIG_LEGACY_PTYS=y
-CONFIG_LEGACY_PTY_COUNT=256
+CONFIG_LEGACY_PTY_COUNT=16
# CONFIG_IPMI_HANDLER is not set
-# CONFIG_WATCHDOG is not set
-CONFIG_HW_RANDOM=m
+# CONFIG_HW_RANDOM is not set
# CONFIG_NVRAM is not set
# CONFIG_R3964 is not set
# CONFIG_APPLICOM is not set
-# CONFIG_DRM is not set
+
+#
+# PCMCIA character devices
+#
+# CONFIG_SYNCLINK_CS is not set
+# CONFIG_CARDMAN_4000 is not set
+# CONFIG_CARDMAN_4040 is not set
+# CONFIG_IPWIRELESS is not set
# CONFIG_RAW_DRIVER is not set
# CONFIG_TCG_TPM is not set
CONFIG_DEVPORT=y
-# CONFIG_I2C is not set
+CONFIG_I2C=y
+CONFIG_I2C_BOARDINFO=y
+CONFIG_I2C_CHARDEV=m
+
+#
+# I2C Hardware Bus support
+#
+# CONFIG_I2C_ALI1535 is not set
+# CONFIG_I2C_ALI1563 is not set
+# CONFIG_I2C_ALI15X3 is not set
+# CONFIG_I2C_AMD756 is not set
+# CONFIG_I2C_AMD8111 is not set
+# CONFIG_I2C_GPIO is not set
+# CONFIG_I2C_I801 is not set
+# CONFIG_I2C_I810 is not set
+CONFIG_I2C_PXA=y
+# CONFIG_I2C_PXA_SLAVE is not set
+# CONFIG_I2C_PIIX4 is not set
+# CONFIG_I2C_NFORCE2 is not set
+# CONFIG_I2C_OCORES is not set
+# CONFIG_I2C_PARPORT_LIGHT is not set
+# CONFIG_I2C_PROSAVAGE is not set
+# CONFIG_I2C_SAVAGE4 is not set
+# CONFIG_I2C_SIMTEC is not set
+# CONFIG_I2C_SIS5595 is not set
+# CONFIG_I2C_SIS630 is not set
+# CONFIG_I2C_SIS96X is not set
+# CONFIG_I2C_TAOS_EVM is not set
+# CONFIG_I2C_STUB is not set
+# CONFIG_I2C_TINY_USB is not set
+# CONFIG_I2C_VIA is not set
+# CONFIG_I2C_VIAPRO is not set
+# CONFIG_I2C_VOODOO3 is not set
+# CONFIG_I2C_PCA_PLATFORM is not set
+
+#
+# Miscellaneous I2C Chip support
+#
+# CONFIG_DS1682 is not set
+# CONFIG_SENSORS_EEPROM is not set
+# CONFIG_SENSORS_PCF8574 is not set
+# CONFIG_PCF8575 is not set
+# CONFIG_SENSORS_PCF8591 is not set
+# CONFIG_TPS65010 is not set
+# CONFIG_SENSORS_MAX6875 is not set
+# CONFIG_SENSORS_TSL2550 is not set
+# CONFIG_I2C_DEBUG_CORE is not set
+# CONFIG_I2C_DEBUG_ALGO is not set
+# CONFIG_I2C_DEBUG_BUS is not set
+# CONFIG_I2C_DEBUG_CHIP is not set
+# CONFIG_SPI is not set
+CONFIG_HAVE_GPIO_LIB=y
#
-# SPI support
+# GPIO Support
#
-# CONFIG_SPI is not set
-# CONFIG_SPI_MASTER is not set
-# CONFIG_W1 is not set
-# CONFIG_HWMON is not set
-CONFIG_MISC_DEVICES=y
-# CONFIG_PHANTOM is not set
-# CONFIG_EEPROM_93CX6 is not set
-# CONFIG_SGI_IOC4 is not set
-# CONFIG_TIFM_CORE is not set
+# CONFIG_DEBUG_GPIO is not set
#
-# Multifunction device drivers
+# I2C GPIO expanders:
#
-# CONFIG_MFD_SM501 is not set
+# CONFIG_GPIO_PCA953X is not set
+# CONFIG_GPIO_PCF857X is not set
#
-# LED devices
+# SPI GPIO expanders:
#
-CONFIG_NEW_LEDS=y
-CONFIG_LEDS_CLASS=y
+# CONFIG_W1 is not set
+# CONFIG_POWER_SUPPLY is not set
+# CONFIG_HWMON is not set
+# CONFIG_WATCHDOG is not set
#
-# LED drivers
+# Sonics Silicon Backplane
#
-CONFIG_LEDS_CM_X270=y
+CONFIG_SSB_POSSIBLE=y
+# CONFIG_SSB is not set
#
-# LED Triggers
+# Multifunction device drivers
#
-CONFIG_LEDS_TRIGGERS=y
-# CONFIG_LEDS_TRIGGER_TIMER is not set
-# CONFIG_LEDS_TRIGGER_IDE_DISK is not set
-CONFIG_LEDS_TRIGGER_HEARTBEAT=y
+# CONFIG_MFD_SM501 is not set
+# CONFIG_MFD_ASIC3 is not set
+# CONFIG_HTC_EGPIO is not set
+# CONFIG_HTC_PASIC3 is not set
#
# Multimedia devices
#
+
+#
+# Multimedia core support
+#
# CONFIG_VIDEO_DEV is not set
# CONFIG_DVB_CORE is not set
-CONFIG_DAB=y
-# CONFIG_USB_DABUSB is not set
#
-# Graphics support
+# Multimedia drivers
#
-# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+# CONFIG_DAB is not set
#
-# Display device support
+# Graphics support
#
-# CONFIG_DISPLAY_SUPPORT is not set
+# CONFIG_DRM is not set
# CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
CONFIG_FB=y
# CONFIG_FIRMWARE_EDID is not set
# CONFIG_FB_DDC is not set
CONFIG_FB_CFB_FILLRECT=y
CONFIG_FB_CFB_COPYAREA=y
CONFIG_FB_CFB_IMAGEBLIT=y
+# CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set
# CONFIG_FB_SYS_FILLRECT is not set
# CONFIG_FB_SYS_COPYAREA is not set
# CONFIG_FB_SYS_IMAGEBLIT is not set
+# CONFIG_FB_FOREIGN_ENDIAN is not set
# CONFIG_FB_SYS_FOPS is not set
CONFIG_FB_DEFERRED_IO=y
# CONFIG_FB_SVGALIB is not set
@@ -842,9 +1072,17 @@ CONFIG_FB_DEFERRED_IO=y
# CONFIG_FB_ARK is not set
# CONFIG_FB_PM3 is not set
CONFIG_FB_PXA=y
-# CONFIG_FB_PXA_PARAMETERS is not set
+# CONFIG_FB_PXA_SMARTPANEL is not set
+CONFIG_FB_PXA_PARAMETERS=y
CONFIG_FB_MBX=m
+# CONFIG_FB_AM200EPD is not set
# CONFIG_FB_VIRTUAL is not set
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+
+#
+# Display device support
+#
+# CONFIG_DISPLAY_SUPPORT is not set
#
# Console display driver support
@@ -904,10 +1142,12 @@ CONFIG_SND_AC97_CODEC=m
# CONFIG_SND_AU8810 is not set
# CONFIG_SND_AU8820 is not set
# CONFIG_SND_AU8830 is not set
+# CONFIG_SND_AW2 is not set
# CONFIG_SND_AZT3328 is not set
# CONFIG_SND_BT87X is not set
# CONFIG_SND_CA0106 is not set
# CONFIG_SND_CMIPCI is not set
+# CONFIG_SND_OXYGEN is not set
# CONFIG_SND_CS4281 is not set
# CONFIG_SND_CS46XX is not set
# CONFIG_SND_DARLA20 is not set
@@ -932,6 +1172,7 @@ CONFIG_SND_AC97_CODEC=m
# CONFIG_SND_HDA_INTEL is not set
# CONFIG_SND_HDSP is not set
# CONFIG_SND_HDSPM is not set
+# CONFIG_SND_HIFIER is not set
# CONFIG_SND_ICE1712 is not set
# CONFIG_SND_ICE1724 is not set
# CONFIG_SND_INTEL8X0 is not set
@@ -949,6 +1190,7 @@ CONFIG_SND_AC97_CODEC=m
# CONFIG_SND_TRIDENT is not set
# CONFIG_SND_VIA82XX is not set
# CONFIG_SND_VIA82XX_MODEM is not set
+# CONFIG_SND_VIRTUOSO is not set
# CONFIG_SND_VX222 is not set
# CONFIG_SND_YMFPCI is not set
# CONFIG_SND_AC97_POWER_SAVE is not set
@@ -966,18 +1208,33 @@ CONFIG_SND_PXA2XX_AC97=m
# CONFIG_SND_USB_CAIAQ is not set
#
+# PCMCIA devices
+#
+# CONFIG_SND_VXPOCKET is not set
+# CONFIG_SND_PDAUDIOCF is not set
+
+#
# System on Chip audio support
#
# CONFIG_SND_SOC is not set
#
+# ALSA SoC audio for Freescale SOCs
+#
+
+#
+# SoC Audio for the Texas Instruments OMAP
+#
+
+#
# Open Sound System
#
# CONFIG_SOUND_PRIME is not set
CONFIG_AC97_BUS=m
CONFIG_HID_SUPPORT=y
CONFIG_HID=y
-# CONFIG_HID_DEBUG is not set
+CONFIG_HID_DEBUG=y
+# CONFIG_HIDRAW is not set
#
# USB Input Devices
@@ -992,6 +1249,7 @@ CONFIG_USB_ARCH_HAS_OHCI=y
CONFIG_USB_ARCH_HAS_EHCI=y
CONFIG_USB=y
# CONFIG_USB_DEBUG is not set
+# CONFIG_USB_ANNOUNCE_NEW_DEVICES is not set
#
# Miscellaneous USB options
@@ -1000,8 +1258,9 @@ CONFIG_USB_DEVICEFS=y
# CONFIG_USB_DEVICE_CLASS is not set
# CONFIG_USB_DYNAMIC_MINORS is not set
# CONFIG_USB_SUSPEND is not set
-# CONFIG_USB_PERSIST is not set
# CONFIG_USB_OTG is not set
+# CONFIG_USB_OTG_WHITELIST is not set
+# CONFIG_USB_OTG_BLACKLIST_HUB is not set
#
# USB Host Controller Drivers
@@ -1033,13 +1292,16 @@ CONFIG_USB_STORAGE=y
# CONFIG_USB_STORAGE_DEBUG is not set
# CONFIG_USB_STORAGE_DATAFAB is not set
# CONFIG_USB_STORAGE_FREECOM is not set
+# CONFIG_USB_STORAGE_ISD200 is not set
# CONFIG_USB_STORAGE_DPCM is not set
# CONFIG_USB_STORAGE_USBAT is not set
# CONFIG_USB_STORAGE_SDDR09 is not set
# CONFIG_USB_STORAGE_SDDR55 is not set
# CONFIG_USB_STORAGE_JUMPSHOT is not set
# CONFIG_USB_STORAGE_ALAUDA is not set
+# CONFIG_USB_STORAGE_ONETOUCH is not set
# CONFIG_USB_STORAGE_KARMA is not set
+# CONFIG_USB_STORAGE_CYPRESS_ATACB is not set
# CONFIG_USB_LIBUSUAL is not set
#
@@ -1052,10 +1314,6 @@ CONFIG_USB_MON=y
#
# USB port drivers
#
-
-#
-# USB Serial Converter support
-#
# CONFIG_USB_SERIAL is not set
#
@@ -1080,14 +1338,6 @@ CONFIG_USB_MON=y
# CONFIG_USB_TRANCEVIBRATOR is not set
# CONFIG_USB_IOWARRIOR is not set
# CONFIG_USB_TEST is not set
-
-#
-# USB DSL modem support
-#
-
-#
-# USB Gadget Support
-#
# CONFIG_USB_GADGET is not set
CONFIG_MMC=m
# CONFIG_MMC_DEBUG is not set
@@ -1098,6 +1348,7 @@ CONFIG_MMC=m
#
CONFIG_MMC_BLOCK=m
CONFIG_MMC_BLOCK_BOUNCE=y
+# CONFIG_SDIO_UART is not set
#
# MMC/SD Host Controller Drivers
@@ -1105,10 +1356,22 @@ CONFIG_MMC_BLOCK_BOUNCE=y
CONFIG_MMC_PXA=m
# CONFIG_MMC_SDHCI is not set
# CONFIG_MMC_TIFM_SD is not set
+CONFIG_NEW_LEDS=y
+CONFIG_LEDS_CLASS=y
#
-# Real Time Clock
+# LED drivers
#
+# CONFIG_LEDS_GPIO is not set
+CONFIG_LEDS_CM_X270=y
+
+#
+# LED Triggers
+#
+CONFIG_LEDS_TRIGGERS=y
+# CONFIG_LEDS_TRIGGER_TIMER is not set
+CONFIG_LEDS_TRIGGER_HEARTBEAT=y
+# CONFIG_LEDS_TRIGGER_DEFAULT_ON is not set
CONFIG_RTC_LIB=y
CONFIG_RTC_CLASS=y
CONFIG_RTC_HCTOSYS=y
@@ -1125,11 +1388,32 @@ CONFIG_RTC_INTF_DEV=y
# CONFIG_RTC_DRV_TEST is not set
#
+# I2C RTC drivers
+#
+# CONFIG_RTC_DRV_DS1307 is not set
+# CONFIG_RTC_DRV_DS1374 is not set
+# CONFIG_RTC_DRV_DS1672 is not set
+# CONFIG_RTC_DRV_MAX6900 is not set
+# CONFIG_RTC_DRV_RS5C372 is not set
+# CONFIG_RTC_DRV_ISL1208 is not set
+# CONFIG_RTC_DRV_X1205 is not set
+# CONFIG_RTC_DRV_PCF8563 is not set
+# CONFIG_RTC_DRV_PCF8583 is not set
+# CONFIG_RTC_DRV_M41T80 is not set
+# CONFIG_RTC_DRV_S35390A is not set
+
+#
+# SPI RTC drivers
+#
+
+#
# Platform RTC drivers
#
# CONFIG_RTC_DRV_CMOS is not set
+# CONFIG_RTC_DRV_DS1511 is not set
# CONFIG_RTC_DRV_DS1553 is not set
# CONFIG_RTC_DRV_DS1742 is not set
+# CONFIG_RTC_DRV_STK17TA8 is not set
# CONFIG_RTC_DRV_M48T86 is not set
# CONFIG_RTC_DRV_M48T59 is not set
CONFIG_RTC_DRV_V3020=y
@@ -1138,19 +1422,7 @@ CONFIG_RTC_DRV_V3020=y
# on-CPU RTC drivers
#
CONFIG_RTC_DRV_SA1100=y
-
-#
-# DMA Engine support
-#
-# CONFIG_DMA_ENGINE is not set
-
-#
-# DMA Clients
-#
-
-#
-# DMA Devices
-#
+# CONFIG_UIO is not set
#
# File systems
@@ -1164,20 +1436,16 @@ CONFIG_EXT3_FS_XATTR=y
# CONFIG_EXT3_FS_SECURITY is not set
# CONFIG_EXT4DEV_FS is not set
CONFIG_JBD=y
-# CONFIG_JBD_DEBUG is not set
CONFIG_FS_MBCACHE=y
# CONFIG_REISERFS_FS is not set
# CONFIG_JFS_FS is not set
# CONFIG_FS_POSIX_ACL is not set
# CONFIG_XFS_FS is not set
-# CONFIG_GFS2_FS is not set
# CONFIG_OCFS2_FS is not set
-# CONFIG_MINIX_FS is not set
-# CONFIG_ROMFS_FS is not set
+CONFIG_DNOTIFY=y
CONFIG_INOTIFY=y
CONFIG_INOTIFY_USER=y
# CONFIG_QUOTA is not set
-CONFIG_DNOTIFY=y
# CONFIG_AUTOFS_FS is not set
# CONFIG_AUTOFS4_FS is not set
# CONFIG_FUSE_FS is not set
@@ -1191,9 +1459,9 @@ CONFIG_DNOTIFY=y
#
# DOS/FAT/NT Filesystems
#
-CONFIG_FAT_FS=y
-CONFIG_MSDOS_FS=y
-CONFIG_VFAT_FS=y
+CONFIG_FAT_FS=m
+# CONFIG_MSDOS_FS is not set
+CONFIG_VFAT_FS=m
CONFIG_FAT_DEFAULT_CODEPAGE=437
CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
# CONFIG_NTFS_FS is not set
@@ -1207,7 +1475,6 @@ CONFIG_SYSFS=y
CONFIG_TMPFS=y
# CONFIG_TMPFS_POSIX_ACL is not set
# CONFIG_HUGETLB_PAGE is not set
-CONFIG_RAMFS=y
# CONFIG_CONFIGFS_FS is not set
#
@@ -1220,22 +1487,30 @@ CONFIG_RAMFS=y
# CONFIG_BEFS_FS is not set
# CONFIG_BFS_FS is not set
# CONFIG_EFS_FS is not set
-# CONFIG_JFFS2_FS is not set
+CONFIG_JFFS2_FS=y
+CONFIG_JFFS2_FS_DEBUG=0
+CONFIG_JFFS2_FS_WRITEBUFFER=y
+# CONFIG_JFFS2_FS_WBUF_VERIFY is not set
+CONFIG_JFFS2_SUMMARY=y
+# CONFIG_JFFS2_FS_XATTR is not set
+# CONFIG_JFFS2_COMPRESSION_OPTIONS is not set
+CONFIG_JFFS2_ZLIB=y
+# CONFIG_JFFS2_LZO is not set
+CONFIG_JFFS2_RTIME=y
+# CONFIG_JFFS2_RUBIN is not set
# CONFIG_CRAMFS is not set
# CONFIG_VXFS_FS is not set
+# CONFIG_MINIX_FS is not set
# CONFIG_HPFS_FS is not set
# CONFIG_QNX4FS_FS is not set
+# CONFIG_ROMFS_FS is not set
# CONFIG_SYSV_FS is not set
# CONFIG_UFS_FS is not set
-
-#
-# Network File Systems
-#
+CONFIG_NETWORK_FILESYSTEMS=y
CONFIG_NFS_FS=y
CONFIG_NFS_V3=y
# CONFIG_NFS_V3_ACL is not set
# CONFIG_NFS_V4 is not set
-# CONFIG_NFS_DIRECTIO is not set
# CONFIG_NFSD is not set
CONFIG_ROOT_NFS=y
CONFIG_LOCKD=y
@@ -1245,9 +1520,13 @@ CONFIG_SUNRPC=y
# CONFIG_SUNRPC_BIND34 is not set
# CONFIG_RPCSEC_GSS_KRB5 is not set
# CONFIG_RPCSEC_GSS_SPKM3 is not set
-CONFIG_SMB_FS=y
-# CONFIG_SMB_NLS_DEFAULT is not set
-# CONFIG_CIFS is not set
+# CONFIG_SMB_FS is not set
+CONFIG_CIFS=m
+# CONFIG_CIFS_STATS is not set
+# CONFIG_CIFS_WEAK_PW_HASH is not set
+# CONFIG_CIFS_XATTR is not set
+# CONFIG_CIFS_DEBUG2 is not set
+# CONFIG_CIFS_EXPERIMENTAL is not set
# CONFIG_NCP_FS is not set
# CONFIG_CODA_FS is not set
# CONFIG_AFS_FS is not set
@@ -1255,15 +1534,27 @@ CONFIG_SMB_FS=y
#
# Partition Types
#
-# CONFIG_PARTITION_ADVANCED is not set
+CONFIG_PARTITION_ADVANCED=y
+# CONFIG_ACORN_PARTITION is not set
+# CONFIG_OSF_PARTITION is not set
+# CONFIG_AMIGA_PARTITION is not set
+# CONFIG_ATARI_PARTITION is not set
+# CONFIG_MAC_PARTITION is not set
CONFIG_MSDOS_PARTITION=y
-
-#
-# Native Language Support
-#
-CONFIG_NLS=y
+# CONFIG_BSD_DISKLABEL is not set
+# CONFIG_MINIX_SUBPARTITION is not set
+# CONFIG_SOLARIS_X86_PARTITION is not set
+# CONFIG_UNIXWARE_DISKLABEL is not set
+# CONFIG_LDM_PARTITION is not set
+# CONFIG_SGI_PARTITION is not set
+# CONFIG_ULTRIX_PARTITION is not set
+# CONFIG_SUN_PARTITION is not set
+# CONFIG_KARMA_PARTITION is not set
+# CONFIG_EFI_PARTITION is not set
+# CONFIG_SYSV68_PARTITION is not set
+CONFIG_NLS=m
CONFIG_NLS_DEFAULT="iso8859-1"
-CONFIG_NLS_CODEPAGE_437=y
+CONFIG_NLS_CODEPAGE_437=m
# CONFIG_NLS_CODEPAGE_737 is not set
# CONFIG_NLS_CODEPAGE_775 is not set
# CONFIG_NLS_CODEPAGE_850 is not set
@@ -1287,7 +1578,7 @@ CONFIG_NLS_CODEPAGE_437=y
# CONFIG_NLS_CODEPAGE_1250 is not set
# CONFIG_NLS_CODEPAGE_1251 is not set
# CONFIG_NLS_ASCII is not set
-CONFIG_NLS_ISO8859_1=y
+CONFIG_NLS_ISO8859_1=m
# CONFIG_NLS_ISO8859_2 is not set
# CONFIG_NLS_ISO8859_3 is not set
# CONFIG_NLS_ISO8859_4 is not set
@@ -1300,53 +1591,52 @@ CONFIG_NLS_ISO8859_1=y
# CONFIG_NLS_ISO8859_15 is not set
# CONFIG_NLS_KOI8_R is not set
# CONFIG_NLS_KOI8_U is not set
-# CONFIG_NLS_UTF8 is not set
-
-#
-# Distributed Lock Manager
-#
+CONFIG_NLS_UTF8=m
# CONFIG_DLM is not set
#
-# Profiling support
-#
-# CONFIG_PROFILING is not set
-
-#
# Kernel hacking
#
# CONFIG_PRINTK_TIME is not set
+CONFIG_ENABLE_WARN_DEPRECATED=y
CONFIG_ENABLE_MUST_CHECK=y
-CONFIG_MAGIC_SYSRQ=y
+CONFIG_FRAME_WARN=0
+# CONFIG_MAGIC_SYSRQ is not set
# CONFIG_UNUSED_SYMBOLS is not set
# CONFIG_DEBUG_FS is not set
# CONFIG_HEADERS_CHECK is not set
CONFIG_DEBUG_KERNEL=y
# CONFIG_DEBUG_SHIRQ is not set
# CONFIG_DETECT_SOFTLOCKUP is not set
-CONFIG_SCHED_DEBUG=y
+# CONFIG_SCHED_DEBUG is not set
# CONFIG_SCHEDSTATS is not set
# CONFIG_TIMER_STATS is not set
-# CONFIG_DEBUG_SLAB is not set
+# CONFIG_DEBUG_OBJECTS is not set
# CONFIG_DEBUG_RT_MUTEXES is not set
# CONFIG_RT_MUTEX_TESTER is not set
# CONFIG_DEBUG_SPINLOCK is not set
# CONFIG_DEBUG_MUTEXES is not set
# CONFIG_DEBUG_LOCK_ALLOC is not set
# CONFIG_PROVE_LOCKING is not set
+# CONFIG_LOCK_STAT is not set
# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
# CONFIG_DEBUG_KOBJECT is not set
# CONFIG_DEBUG_BUGVERBOSE is not set
-CONFIG_DEBUG_INFO=y
+# CONFIG_DEBUG_INFO is not set
# CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_WRITECOUNT is not set
# CONFIG_DEBUG_LIST is not set
+# CONFIG_DEBUG_SG is not set
CONFIG_FRAME_POINTER=y
-CONFIG_FORCED_INLINING=y
+# CONFIG_BOOT_PRINTK_DELAY is not set
# CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_BACKTRACE_SELF_TEST is not set
# CONFIG_FAULT_INJECTION is not set
+# CONFIG_SAMPLES is not set
CONFIG_DEBUG_USER=y
CONFIG_DEBUG_ERRORS=y
+# CONFIG_DEBUG_STACK_USAGE is not set
CONFIG_DEBUG_LL=y
# CONFIG_DEBUG_ICEDCC is not set
@@ -1355,55 +1645,96 @@ CONFIG_DEBUG_LL=y
#
# CONFIG_KEYS is not set
# CONFIG_SECURITY is not set
+# CONFIG_SECURITY_FILE_CAPABILITIES is not set
CONFIG_CRYPTO=y
-CONFIG_CRYPTO_ALGAPI=m
-CONFIG_CRYPTO_BLKCIPHER=m
-CONFIG_CRYPTO_MANAGER=m
+
+#
+# Crypto core or helper
+#
+# CONFIG_CRYPTO_MANAGER is not set
+# CONFIG_CRYPTO_GF128MUL is not set
+# CONFIG_CRYPTO_NULL is not set
+# CONFIG_CRYPTO_CRYPTD is not set
+# CONFIG_CRYPTO_AUTHENC is not set
+# CONFIG_CRYPTO_TEST is not set
+
+#
+# Authenticated Encryption with Associated Data
+#
+# CONFIG_CRYPTO_CCM is not set
+# CONFIG_CRYPTO_GCM is not set
+# CONFIG_CRYPTO_SEQIV is not set
+
+#
+# Block modes
+#
+# CONFIG_CRYPTO_CBC is not set
+# CONFIG_CRYPTO_CTR is not set
+# CONFIG_CRYPTO_CTS is not set
+# CONFIG_CRYPTO_ECB is not set
+# CONFIG_CRYPTO_LRW is not set
+# CONFIG_CRYPTO_PCBC is not set
+# CONFIG_CRYPTO_XTS is not set
+
+#
+# Hash modes
+#
# CONFIG_CRYPTO_HMAC is not set
# CONFIG_CRYPTO_XCBC is not set
-# CONFIG_CRYPTO_NULL is not set
+
+#
+# Digest
+#
+# CONFIG_CRYPTO_CRC32C is not set
# CONFIG_CRYPTO_MD4 is not set
# CONFIG_CRYPTO_MD5 is not set
+# CONFIG_CRYPTO_MICHAEL_MIC is not set
# CONFIG_CRYPTO_SHA1 is not set
# CONFIG_CRYPTO_SHA256 is not set
# CONFIG_CRYPTO_SHA512 is not set
-# CONFIG_CRYPTO_WP512 is not set
# CONFIG_CRYPTO_TGR192 is not set
-# CONFIG_CRYPTO_GF128MUL is not set
-CONFIG_CRYPTO_ECB=m
-CONFIG_CRYPTO_CBC=m
-CONFIG_CRYPTO_PCBC=m
-# CONFIG_CRYPTO_LRW is not set
-# CONFIG_CRYPTO_CRYPTD is not set
-# CONFIG_CRYPTO_DES is not set
-# CONFIG_CRYPTO_FCRYPT is not set
+# CONFIG_CRYPTO_WP512 is not set
+
+#
+# Ciphers
+#
+# CONFIG_CRYPTO_AES is not set
+# CONFIG_CRYPTO_ANUBIS is not set
+# CONFIG_CRYPTO_ARC4 is not set
# CONFIG_CRYPTO_BLOWFISH is not set
-# CONFIG_CRYPTO_TWOFISH is not set
-# CONFIG_CRYPTO_SERPENT is not set
-CONFIG_CRYPTO_AES=m
+# CONFIG_CRYPTO_CAMELLIA is not set
# CONFIG_CRYPTO_CAST5 is not set
# CONFIG_CRYPTO_CAST6 is not set
-# CONFIG_CRYPTO_TEA is not set
-CONFIG_CRYPTO_ARC4=m
+# CONFIG_CRYPTO_DES is not set
+# CONFIG_CRYPTO_FCRYPT is not set
# CONFIG_CRYPTO_KHAZAD is not set
-# CONFIG_CRYPTO_ANUBIS is not set
+# CONFIG_CRYPTO_SALSA20 is not set
+# CONFIG_CRYPTO_SEED is not set
+# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_TEA is not set
+# CONFIG_CRYPTO_TWOFISH is not set
+
+#
+# Compression
+#
# CONFIG_CRYPTO_DEFLATE is not set
-# CONFIG_CRYPTO_MICHAEL_MIC is not set
-# CONFIG_CRYPTO_CRC32C is not set
-# CONFIG_CRYPTO_CAMELLIA is not set
-# CONFIG_CRYPTO_TEST is not set
-CONFIG_CRYPTO_HW=y
+# CONFIG_CRYPTO_LZO is not set
+# CONFIG_CRYPTO_HW is not set
#
# Library routines
#
CONFIG_BITREVERSE=y
-# CONFIG_CRC_CCITT is not set
+# CONFIG_GENERIC_FIND_FIRST_BIT is not set
+# CONFIG_GENERIC_FIND_NEXT_BIT is not set
+CONFIG_CRC_CCITT=m
# CONFIG_CRC16 is not set
# CONFIG_CRC_ITU_T is not set
CONFIG_CRC32=y
# CONFIG_CRC7 is not set
# CONFIG_LIBCRC32C is not set
+CONFIG_ZLIB_INFLATE=y
+CONFIG_ZLIB_DEFLATE=y
CONFIG_PLIST=y
CONFIG_HAS_IOMEM=y
CONFIG_HAS_IOPORT=y
diff --git a/arch/arm/kernel/Makefile b/arch/arm/kernel/Makefile
index ad455ff5aeb..eb9092ca800 100644
--- a/arch/arm/kernel/Makefile
+++ b/arch/arm/kernel/Makefile
@@ -4,6 +4,10 @@
AFLAGS_head.o := -DTEXT_OFFSET=$(TEXT_OFFSET)
+ifdef CONFIG_DYNAMIC_FTRACE
+CFLAGS_REMOVE_ftrace.o = -pg
+endif
+
# Object file lists.
obj-y := compat.o entry-armv.o entry-common.o irq.o \
@@ -18,6 +22,7 @@ obj-$(CONFIG_ARTHUR) += arthur.o
obj-$(CONFIG_ISA_DMA) += dma-isa.o
obj-$(CONFIG_PCI) += bios32.o isa.o
obj-$(CONFIG_SMP) += smp.o
+obj-$(CONFIG_DYNAMIC_FTRACE) += ftrace.o
obj-$(CONFIG_KEXEC) += machine_kexec.o relocate_kernel.o
obj-$(CONFIG_KPROBES) += kprobes.o kprobes-decode.o
obj-$(CONFIG_ATAGS_PROC) += atags.o
diff --git a/arch/arm/kernel/armksyms.c b/arch/arm/kernel/armksyms.c
index 688b7b1ee41..cc7b246e965 100644
--- a/arch/arm/kernel/armksyms.c
+++ b/arch/arm/kernel/armksyms.c
@@ -18,6 +18,7 @@
#include <asm/io.h>
#include <asm/system.h>
#include <asm/uaccess.h>
+#include <asm/ftrace.h>
/*
* libgcc functions - functions that are used internally by the
@@ -181,3 +182,7 @@ EXPORT_SYMBOL(_find_next_bit_be);
#endif
EXPORT_SYMBOL(copy_page);
+
+#ifdef CONFIG_FTRACE
+EXPORT_SYMBOL(mcount);
+#endif
diff --git a/arch/arm/kernel/atags.c b/arch/arm/kernel/atags.c
index 64c420805e6..42a1a1415fa 100644
--- a/arch/arm/kernel/atags.c
+++ b/arch/arm/kernel/atags.c
@@ -1,5 +1,4 @@
#include <linux/slab.h>
-#include <linux/kexec.h>
#include <linux/proc_fs.h>
#include <asm/setup.h>
#include <asm/types.h>
@@ -7,9 +6,8 @@
struct buffer {
size_t size;
- char *data;
+ char data[];
};
-static struct buffer tags_buffer;
static int
read_buffer(char* page, char** start, off_t off, int count,
@@ -29,58 +27,57 @@ read_buffer(char* page, char** start, off_t off, int count,
return count;
}
-
-static int
-create_proc_entries(void)
-{
- struct proc_dir_entry* tags_entry;
-
- tags_entry = create_proc_read_entry("atags", 0400, NULL, read_buffer, &tags_buffer);
- if (!tags_entry)
- return -ENOMEM;
-
- return 0;
-}
-
-
-static char __initdata atags_copy_buf[KEXEC_BOOT_PARAMS_SIZE];
-static char __initdata *atags_copy;
+#define BOOT_PARAMS_SIZE 1536
+static char __initdata atags_copy[BOOT_PARAMS_SIZE];
void __init save_atags(const struct tag *tags)
{
- atags_copy = atags_copy_buf;
- memcpy(atags_copy, tags, KEXEC_BOOT_PARAMS_SIZE);
+ memcpy(atags_copy, tags, sizeof(atags_copy));
}
-
static int __init init_atags_procfs(void)
{
- struct tag *tag;
- int error;
+ /*
+ * This cannot go into save_atags() because kmalloc and proc don't work
+ * yet when it is called.
+ */
+ struct proc_dir_entry *tags_entry;
+ struct tag *tag = (struct tag *)atags_copy;
+ struct buffer *b;
+ size_t size;
- if (!atags_copy) {
- printk(KERN_WARNING "Exporting ATAGs: No saved tags found\n");
- return -EIO;
+ if (tag->hdr.tag != ATAG_CORE) {
+ printk(KERN_INFO "No ATAGs?");
+ return -EINVAL;
}
- for (tag = (struct tag *) atags_copy; tag->hdr.size; tag = tag_next(tag))
+ for (; tag->hdr.size; tag = tag_next(tag))
;
- tags_buffer.size = ((char *) tag - atags_copy) + sizeof(tag->hdr);
- tags_buffer.data = kmalloc(tags_buffer.size, GFP_KERNEL);
- if (tags_buffer.data == NULL)
- return -ENOMEM;
- memcpy(tags_buffer.data, atags_copy, tags_buffer.size);
-
- error = create_proc_entries();
- if (error) {
- printk(KERN_ERR "Exporting ATAGs: not enough memory\n");
- kfree(tags_buffer.data);
- tags_buffer.size = 0;
- tags_buffer.data = NULL;
- }
+ /* include the terminating ATAG_NONE */
+ size = (char *)tag - atags_copy + sizeof(struct tag_header);
- return error;
-}
+ WARN_ON(tag->hdr.tag != ATAG_NONE);
+
+ b = kmalloc(sizeof(*b) + size, GFP_KERNEL);
+ if (!b)
+ goto nomem;
+ b->size = size;
+ memcpy(b->data, atags_copy, size);
+
+ tags_entry = create_proc_read_entry("atags", 0400,
+ NULL, read_buffer, b);
+
+ if (!tags_entry)
+ goto nomem;
+
+ return 0;
+
+nomem:
+ kfree(b);
+ printk(KERN_ERR "Exporting ATAGs: not enough memory\n");
+
+ return -ENOMEM;
+}
arch_initcall(init_atags_procfs);
diff --git a/arch/arm/kernel/ecard.c b/arch/arm/kernel/ecard.c
index a53c0aba5c1..8bfd299bfe7 100644
--- a/arch/arm/kernel/ecard.c
+++ b/arch/arm/kernel/ecard.c
@@ -680,7 +680,7 @@ static int __init ecard_probeirqhw(void)
#define IO_EC_MEMC8_BASE 0
#endif
-unsigned int __ecard_address(ecard_t *ec, card_type_t type, card_speed_t speed)
+static unsigned int __ecard_address(ecard_t *ec, card_type_t type, card_speed_t speed)
{
unsigned long address = 0;
int slot = ec->slot_no;
@@ -1002,7 +1002,7 @@ ecard_probe(int slot, card_type_t type)
}
rc = -ENODEV;
- if ((ec->podaddr = ecard_address(ec, type, ECARD_SYNC)) == 0)
+ if ((ec->podaddr = __ecard_address(ec, type, ECARD_SYNC)) == 0)
goto nodev;
cid.r_zero = 1;
@@ -1141,10 +1141,10 @@ static int ecard_drv_probe(struct device *dev)
id = ecard_match_device(drv->id_table, ec);
- ecard_claim(ec);
+ ec->claimed = 1;
ret = drv->probe(ec, id);
if (ret)
- ecard_release(ec);
+ ec->claimed = 0;
return ret;
}
@@ -1154,7 +1154,7 @@ static int ecard_drv_remove(struct device *dev)
struct ecard_driver *drv = ECARD_DRV(dev->driver);
drv->remove(ec);
- ecard_release(ec);
+ ec->claimed = 0;
/*
* Restore the default operations. We ensure that the
@@ -1182,7 +1182,7 @@ static void ecard_drv_shutdown(struct device *dev)
if (dev->driver) {
if (drv->shutdown)
drv->shutdown(ec);
- ecard_release(ec);
+ ec->claimed = 0;
}
/*
@@ -1239,7 +1239,6 @@ static int ecard_bus_init(void)
postcore_initcall(ecard_bus_init);
EXPORT_SYMBOL(ecard_readchunk);
-EXPORT_SYMBOL(__ecard_address);
EXPORT_SYMBOL(ecard_register_driver);
EXPORT_SYMBOL(ecard_remove_driver);
EXPORT_SYMBOL(ecard_bus_type);
diff --git a/arch/arm/kernel/ecard.h b/arch/arm/kernel/ecard.h
index d7c2dacf935..4642d436be2 100644
--- a/arch/arm/kernel/ecard.h
+++ b/arch/arm/kernel/ecard.h
@@ -54,3 +54,16 @@ struct ex_chunk_dir {
#define c_len(x) ((x)->r_len[0]|((x)->r_len[1]<<8)|((x)->r_len[2]<<16))
#define c_start(x) ((x)->r_start)
};
+
+typedef enum ecard_type { /* Cards address space */
+ ECARD_IOC,
+ ECARD_MEMC,
+ ECARD_EASI
+} card_type_t;
+
+typedef enum { /* Speed for ECARD_IOC space */
+ ECARD_SLOW = 0,
+ ECARD_MEDIUM = 1,
+ ECARD_FAST = 2,
+ ECARD_SYNC = 3
+} card_speed_t;
diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S
index 597ed00a08d..84694e88b42 100644
--- a/arch/arm/kernel/entry-common.S
+++ b/arch/arm/kernel/entry-common.S
@@ -9,6 +9,7 @@
*/
#include <asm/unistd.h>
+#include <asm/ftrace.h>
#include <asm/arch/entry-macro.S>
#include "entry-header.S"
@@ -99,6 +100,56 @@ ENTRY(ret_from_fork)
#undef CALL
#define CALL(x) .long x
+#ifdef CONFIG_FTRACE
+#ifdef CONFIG_DYNAMIC_FTRACE
+ENTRY(mcount)
+ stmdb sp!, {r0-r3, lr}
+ mov r0, lr
+ sub r0, r0, #MCOUNT_INSN_SIZE
+
+ .globl mcount_call
+mcount_call:
+ bl ftrace_stub
+ ldmia sp!, {r0-r3, pc}
+
+ENTRY(ftrace_caller)
+ stmdb sp!, {r0-r3, lr}
+ ldr r1, [fp, #-4]
+ mov r0, lr
+ sub r0, r0, #MCOUNT_INSN_SIZE
+
+ .globl ftrace_call
+ftrace_call:
+ bl ftrace_stub
+ ldmia sp!, {r0-r3, pc}
+
+#else
+
+ENTRY(mcount)
+ stmdb sp!, {r0-r3, lr}
+ ldr r0, =ftrace_trace_function
+ ldr r2, [r0]
+ adr r0, ftrace_stub
+ cmp r0, r2
+ bne trace
+ ldmia sp!, {r0-r3, pc}
+
+trace:
+ ldr r1, [fp, #-4]
+ mov r0, lr
+ sub r0, r0, #MCOUNT_INSN_SIZE
+ mov lr, pc
+ mov pc, r2
+ ldmia sp!, {r0-r3, pc}
+
+#endif /* CONFIG_DYNAMIC_FTRACE */
+
+ .globl ftrace_stub
+ftrace_stub:
+ mov pc, lr
+
+#endif /* CONFIG_FTRACE */
+
/*=============================================================================
* SWI handler
*-----------------------------------------------------------------------------
diff --git a/arch/arm/kernel/ftrace.c b/arch/arm/kernel/ftrace.c
new file mode 100644
index 00000000000..76d50e6091b
--- /dev/null
+++ b/arch/arm/kernel/ftrace.c
@@ -0,0 +1,116 @@
+/*
+ * Dynamic function tracing support.
+ *
+ * Copyright (C) 2008 Abhishek Sagar <sagar.abhishek@gmail.com>
+ *
+ * For licencing details, see COPYING.
+ *
+ * Defines low-level handling of mcount calls when the kernel
+ * is compiled with the -pg flag. When using dynamic ftrace, the
+ * mcount call-sites get patched lazily with NOP till they are
+ * enabled. All code mutation routines here take effect atomically.
+ */
+
+#include <linux/ftrace.h>
+
+#include <asm/cacheflush.h>
+#include <asm/ftrace.h>
+
+#define PC_OFFSET 8
+#define BL_OPCODE 0xeb000000
+#define BL_OFFSET_MASK 0x00ffffff
+
+static unsigned long bl_insn;
+static const unsigned long NOP = 0xe1a00000; /* mov r0, r0 */
+
+unsigned char *ftrace_nop_replace(void)
+{
+ return (char *)&NOP;
+}
+
+/* construct a branch (BL) instruction to addr */
+unsigned char *ftrace_call_replace(unsigned long pc, unsigned long addr)
+{
+ long offset;
+
+ offset = (long)addr - (long)(pc + PC_OFFSET);
+ if (unlikely(offset < -33554432 || offset > 33554428)) {
+ /* Can't generate branches that far (from ARM ARM). Ftrace
+ * doesn't generate branches outside of kernel text.
+ */
+ WARN_ON_ONCE(1);
+ return NULL;
+ }
+ offset = (offset >> 2) & BL_OFFSET_MASK;
+ bl_insn = BL_OPCODE | offset;
+ return (unsigned char *)&bl_insn;
+}
+
+int ftrace_modify_code(unsigned long pc, unsigned char *old_code,
+ unsigned char *new_code)
+{
+ unsigned long err = 0, replaced = 0, old, new;
+
+ old = *(unsigned long *)old_code;
+ new = *(unsigned long *)new_code;
+
+ __asm__ __volatile__ (
+ "1: ldr %1, [%2] \n"
+ " cmp %1, %4 \n"
+ "2: streq %3, [%2] \n"
+ " cmpne %1, %3 \n"
+ " movne %0, #2 \n"
+ "3:\n"
+
+ ".section .fixup, \"ax\"\n"
+ "4: mov %0, #1 \n"
+ " b 3b \n"
+ ".previous\n"
+
+ ".section __ex_table, \"a\"\n"
+ " .long 1b, 4b \n"
+ " .long 2b, 4b \n"
+ ".previous\n"
+
+ : "=r"(err), "=r"(replaced)
+ : "r"(pc), "r"(new), "r"(old), "0"(err), "1"(replaced)
+ : "memory");
+
+ if (!err && (replaced == old))
+ flush_icache_range(pc, pc + MCOUNT_INSN_SIZE);
+
+ return err;
+}
+
+int ftrace_update_ftrace_func(ftrace_func_t func)
+{
+ int ret;
+ unsigned long pc, old;
+ unsigned char *new;
+
+ pc = (unsigned long)&ftrace_call;
+ memcpy(&old, &ftrace_call, MCOUNT_INSN_SIZE);
+ new = ftrace_call_replace(pc, (unsigned long)func);
+ ret = ftrace_modify_code(pc, (unsigned char *)&old, new);
+ return ret;
+}
+
+int ftrace_mcount_set(unsigned long *data)
+{
+ unsigned long pc, old;
+ unsigned long *addr = data;
+ unsigned char *new;
+
+ pc = (unsigned long)&mcount_call;
+ memcpy(&old, &mcount_call, MCOUNT_INSN_SIZE);
+ new = ftrace_call_replace(pc, *addr);
+ *addr = ftrace_modify_code(pc, (unsigned char *)&old, new);
+ return 0;
+}
+
+/* run from kstop_machine */
+int __init ftrace_dyn_arch_init(void *data)
+{
+ ftrace_mcount_set(data);
+ return 0;
+}
diff --git a/arch/arm/kernel/kprobes.c b/arch/arm/kernel/kprobes.c
index 5593dd20721..5ee39e10c8d 100644
--- a/arch/arm/kernel/kprobes.c
+++ b/arch/arm/kernel/kprobes.c
@@ -274,7 +274,7 @@ int __kprobes kprobe_exceptions_notify(struct notifier_block *self,
* for kretprobe handlers which should normally be interested in r0 only
* anyway.
*/
-static void __attribute__((naked)) __kprobes kretprobe_trampoline(void)
+void __naked __kprobes kretprobe_trampoline(void)
{
__asm__ __volatile__ (
"stmdb sp!, {r0 - r11} \n\t"
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index 46bf2ede612..199b3680118 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -133,10 +133,8 @@ static void default_idle(void)
cpu_relax();
else {
local_irq_disable();
- if (!need_resched()) {
- timer_dyn_reprogram();
+ if (!need_resched())
arch_idle();
- }
local_irq_enable();
}
}
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index eefae1de334..5a7c09564d1 100644
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -68,20 +68,10 @@ enum ipi_msg_type {
IPI_TIMER,
IPI_RESCHEDULE,
IPI_CALL_FUNC,
+ IPI_CALL_FUNC_SINGLE,
IPI_CPU_STOP,
};
-struct smp_call_struct {
- void (*func)(void *info);
- void *info;
- int wait;
- cpumask_t pending;
- cpumask_t unfinished;
-};
-
-static struct smp_call_struct * volatile smp_call_function_data;
-static DEFINE_SPINLOCK(smp_call_function_lock);
-
int __cpuinit __cpu_up(unsigned int cpu)
{
struct cpuinfo_arm *ci = &per_cpu(cpu_data, cpu);
@@ -366,114 +356,15 @@ static void send_ipi_message(cpumask_t callmap, enum ipi_msg_type msg)
local_irq_restore(flags);
}
-/*
- * You must not call this function with disabled interrupts, from a
- * hardware interrupt handler, nor from a bottom half handler.
- */
-static int smp_call_function_on_cpu(void (*func)(void *info), void *info,
- int retry, int wait, cpumask_t callmap)
-{
- struct smp_call_struct data;
- unsigned long timeout;
- int ret = 0;
-
- data.func = func;
- data.info = info;
- data.wait = wait;
-
- cpu_clear(smp_processor_id(), callmap);
- if (cpus_empty(callmap))
- goto out;
-
- data.pending = callmap;
- if (wait)
- data.unfinished = callmap;
-
- /*
- * try to get the mutex on smp_call_function_data
- */
- spin_lock(&smp_call_function_lock);
- smp_call_function_data = &data;
-
- send_ipi_message(callmap, IPI_CALL_FUNC);
-
- timeout = jiffies + HZ;
- while (!cpus_empty(data.pending) && time_before(jiffies, timeout))
- barrier();
-
- /*
- * did we time out?
- */
- if (!cpus_empty(data.pending)) {
- /*
- * this may be causing our panic - report it
- */
- printk(KERN_CRIT
- "CPU%u: smp_call_function timeout for %p(%p)\n"
- " callmap %lx pending %lx, %swait\n",
- smp_processor_id(), func, info, *cpus_addr(callmap),
- *cpus_addr(data.pending), wait ? "" : "no ");
-
- /*
- * TRACE
- */
- timeout = jiffies + (5 * HZ);
- while (!cpus_empty(data.pending) && time_before(jiffies, timeout))
- barrier();
-
- if (cpus_empty(data.pending))
- printk(KERN_CRIT " RESOLVED\n");
- else
- printk(KERN_CRIT " STILL STUCK\n");
- }
-
- /*
- * whatever happened, we're done with the data, so release it
- */
- smp_call_function_data = NULL;
- spin_unlock(&smp_call_function_lock);
-
- if (!cpus_empty(data.pending)) {
- ret = -ETIMEDOUT;
- goto out;
- }
-
- if (wait)
- while (!cpus_empty(data.unfinished))
- barrier();
- out:
-
- return 0;
-}
-
-int smp_call_function(void (*func)(void *info), void *info, int retry,
- int wait)
+void arch_send_call_function_ipi(cpumask_t mask)
{
- return smp_call_function_on_cpu(func, info, retry, wait,
- cpu_online_map);
+ send_ipi_message(mask, IPI_CALL_FUNC);
}
-EXPORT_SYMBOL_GPL(smp_call_function);
-int smp_call_function_single(int cpu, void (*func)(void *info), void *info,
- int retry, int wait)
+void arch_send_call_function_single_ipi(int cpu)
{
- /* prevent preemption and reschedule on another processor */
- int current_cpu = get_cpu();
- int ret = 0;
-
- if (cpu == current_cpu) {
- local_irq_disable();
- func(info);
- local_irq_enable();
- } else
- ret = smp_call_function_on_cpu(func, info, retry, wait,
- cpumask_of_cpu(cpu));
-
- put_cpu();
-
- return ret;
+ send_ipi_message(cpumask_of_cpu(cpu), IPI_CALL_FUNC_SINGLE);
}
-EXPORT_SYMBOL_GPL(smp_call_function_single);
void show_ipi_list(struct seq_file *p)
{
@@ -521,27 +412,6 @@ asmlinkage void __exception do_local_timer(struct pt_regs *regs)
}
#endif
-/*
- * ipi_call_function - handle IPI from smp_call_function()
- *
- * Note that we copy data out of the cross-call structure and then
- * let the caller know that we're here and have done with their data
- */
-static void ipi_call_function(unsigned int cpu)
-{
- struct smp_call_struct *data = smp_call_function_data;
- void (*func)(void *info) = data->func;
- void *info = data->info;
- int wait = data->wait;
-
- cpu_clear(cpu, data->pending);
-
- func(info);
-
- if (wait)
- cpu_clear(cpu, data->unfinished);
-}
-
static DEFINE_SPINLOCK(stop_lock);
/*
@@ -611,7 +481,11 @@ asmlinkage void __exception do_IPI(struct pt_regs *regs)
break;
case IPI_CALL_FUNC:
- ipi_call_function(cpu);
+ generic_smp_call_function_interrupt();
+ break;
+
+ case IPI_CALL_FUNC_SINGLE:
+ generic_smp_call_function_single_interrupt();
break;
case IPI_CPU_STOP:
@@ -662,14 +536,13 @@ int setup_profiling_timer(unsigned int multiplier)
}
static int
-on_each_cpu_mask(void (*func)(void *), void *info, int retry, int wait,
- cpumask_t mask)
+on_each_cpu_mask(void (*func)(void *), void *info, int wait, cpumask_t mask)
{
int ret = 0;
preempt_disable();
- ret = smp_call_function_on_cpu(func, info, retry, wait, mask);
+ ret = smp_call_function_mask(mask, func, info, wait);
if (cpu_isset(smp_processor_id(), mask))
func(info);
@@ -731,14 +604,14 @@ static inline void ipi_flush_tlb_kernel_range(void *arg)
void flush_tlb_all(void)
{
- on_each_cpu(ipi_flush_tlb_all, NULL, 1, 1);
+ on_each_cpu(ipi_flush_tlb_all, NULL, 1);
}
void flush_tlb_mm(struct mm_struct *mm)
{
cpumask_t mask = mm->cpu_vm_mask;
- on_each_cpu_mask(ipi_flush_tlb_mm, mm, 1, 1, mask);
+ on_each_cpu_mask(ipi_flush_tlb_mm, mm, 1, mask);
}
void flush_tlb_page(struct vm_area_struct *vma, unsigned long uaddr)
@@ -749,7 +622,7 @@ void flush_tlb_page(struct vm_area_struct *vma, unsigned long uaddr)
ta.ta_vma = vma;
ta.ta_start = uaddr;
- on_each_cpu_mask(ipi_flush_tlb_page, &ta, 1, 1, mask);
+ on_each_cpu_mask(ipi_flush_tlb_page, &ta, 1, mask);
}
void flush_tlb_kernel_page(unsigned long kaddr)
@@ -758,7 +631,7 @@ void flush_tlb_kernel_page(unsigned long kaddr)
ta.ta_start = kaddr;
- on_each_cpu(ipi_flush_tlb_kernel_page, &ta, 1, 1);
+ on_each_cpu(ipi_flush_tlb_kernel_page, &ta, 1);
}
void flush_tlb_range(struct vm_area_struct *vma,
@@ -771,7 +644,7 @@ void flush_tlb_range(struct vm_area_struct *vma,
ta.ta_start = start;
ta.ta_end = end;
- on_each_cpu_mask(ipi_flush_tlb_range, &ta, 1, 1, mask);
+ on_each_cpu_mask(ipi_flush_tlb_range, &ta, 1, mask);
}
void flush_tlb_kernel_range(unsigned long start, unsigned long end)
@@ -781,5 +654,5 @@ void flush_tlb_kernel_range(unsigned long start, unsigned long end)
ta.ta_start = start;
ta.ta_end = end;
- on_each_cpu(ipi_flush_tlb_kernel_range, &ta, 1, 1);
+ on_each_cpu(ipi_flush_tlb_kernel_range, &ta, 1);
}
diff --git a/arch/arm/kernel/stacktrace.c b/arch/arm/kernel/stacktrace.c
index ae31deb2d06..fc650f64df4 100644
--- a/arch/arm/kernel/stacktrace.c
+++ b/arch/arm/kernel/stacktrace.c
@@ -36,6 +36,7 @@ EXPORT_SYMBOL(walk_stackframe);
#ifdef CONFIG_STACKTRACE
struct stack_trace_data {
struct stack_trace *trace;
+ unsigned int no_sched_functions;
unsigned int skip;
};
@@ -43,27 +44,53 @@ static int save_trace(struct stackframe *frame, void *d)
{
struct stack_trace_data *data = d;
struct stack_trace *trace = data->trace;
+ unsigned long addr = frame->lr;
+ if (data->no_sched_functions && in_sched_functions(addr))
+ return 0;
if (data->skip) {
data->skip--;
return 0;
}
- trace->entries[trace->nr_entries++] = frame->lr;
+ trace->entries[trace->nr_entries++] = addr;
return trace->nr_entries >= trace->max_entries;
}
-void save_stack_trace(struct stack_trace *trace)
+void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace)
{
struct stack_trace_data data;
unsigned long fp, base;
data.trace = trace;
data.skip = trace->skip;
- base = (unsigned long)task_stack_page(current);
- asm("mov %0, fp" : "=r" (fp));
+ base = (unsigned long)task_stack_page(tsk);
+
+ if (tsk != current) {
+#ifdef CONFIG_SMP
+ /*
+ * What guarantees do we have here that 'tsk'
+ * is not running on another CPU?
+ */
+ BUG();
+#else
+ data.no_sched_functions = 1;
+ fp = thread_saved_fp(tsk);
+#endif
+ } else {
+ data.no_sched_functions = 0;
+ asm("mov %0, fp" : "=r" (fp));
+ }
walk_stackframe(fp, base, base + THREAD_SIZE, save_trace, &data);
+ if (trace->nr_entries < trace->max_entries)
+ trace->entries[trace->nr_entries++] = ULONG_MAX;
+}
+
+void save_stack_trace(struct stack_trace *trace)
+{
+ save_stack_trace_tsk(current, trace);
}
+EXPORT_SYMBOL_GPL(save_stack_trace);
#endif
diff --git a/arch/arm/kernel/time.c b/arch/arm/kernel/time.c
index b5867eca1d0..cc5145b28e7 100644
--- a/arch/arm/kernel/time.c
+++ b/arch/arm/kernel/time.c
@@ -365,108 +365,6 @@ static struct sysdev_class timer_sysclass = {
.resume = timer_resume,
};
-#ifdef CONFIG_NO_IDLE_HZ
-static int timer_dyn_tick_enable(void)
-{
- struct dyn_tick_timer *dyn_tick = system_timer->dyn_tick;
- unsigned long flags;
- int ret = -ENODEV;
-
- if (dyn_tick) {
- spin_lock_irqsave(&dyn_tick->lock, flags);
- ret = 0;
- if (!(dyn_tick->state & DYN_TICK_ENABLED)) {
- ret = dyn_tick->enable();
-
- if (ret == 0)
- dyn_tick->state |= DYN_TICK_ENABLED;
- }
- spin_unlock_irqrestore(&dyn_tick->lock, flags);
- }
-
- return ret;
-}
-
-static int timer_dyn_tick_disable(void)
-{
- struct dyn_tick_timer *dyn_tick = system_timer->dyn_tick;
- unsigned long flags;
- int ret = -ENODEV;
-
- if (dyn_tick) {
- spin_lock_irqsave(&dyn_tick->lock, flags);
- ret = 0;
- if (dyn_tick->state & DYN_TICK_ENABLED) {
- ret = dyn_tick->disable();
-
- if (ret == 0)
- dyn_tick->state &= ~DYN_TICK_ENABLED;
- }
- spin_unlock_irqrestore(&dyn_tick->lock, flags);
- }
-
- return ret;
-}
-
-/*
- * Reprogram the system timer for at least the calculated time interval.
- * This function should be called from the idle thread with IRQs disabled,
- * immediately before sleeping.
- */
-void timer_dyn_reprogram(void)
-{
- struct dyn_tick_timer *dyn_tick = system_timer->dyn_tick;
- unsigned long next, seq, flags;
-
- if (!dyn_tick)
- return;
-
- spin_lock_irqsave(&dyn_tick->lock, flags);
- if (dyn_tick->state & DYN_TICK_ENABLED) {
- next = next_timer_interrupt();
- do {
- seq = read_seqbegin(&xtime_lock);
- dyn_tick->reprogram(next - jiffies);
- } while (read_seqretry(&xtime_lock, seq));
- }
- spin_unlock_irqrestore(&dyn_tick->lock, flags);
-}
-
-static ssize_t timer_show_dyn_tick(struct sys_device *dev, char *buf)
-{
- return sprintf(buf, "%i\n",
- (system_timer->dyn_tick->state & DYN_TICK_ENABLED) >> 1);
-}
-
-static ssize_t timer_set_dyn_tick(struct sys_device *dev, const char *buf,
- size_t count)
-{
- unsigned int enable = simple_strtoul(buf, NULL, 2);
-
- if (enable)
- timer_dyn_tick_enable();
- else
- timer_dyn_tick_disable();
-
- return count;
-}
-static SYSDEV_ATTR(dyn_tick, 0644, timer_show_dyn_tick, timer_set_dyn_tick);
-
-/*
- * dyntick=enable|disable
- */
-static char dyntick_str[4] __initdata = "";
-
-static int __init dyntick_setup(char *str)
-{
- if (str)
- strlcpy(dyntick_str, str, sizeof(dyntick_str));
- return 1;
-}
-
-__setup("dyntick=", dyntick_setup);
-#endif
-
static int __init timer_init_sysfs(void)
{
int ret = sysdev_class_register(&timer_sysclass);
@@ -475,19 +373,6 @@ static int __init timer_init_sysfs(void)
ret = sysdev_register(&system_timer->dev);
}
-#ifdef CONFIG_NO_IDLE_HZ
- if (ret == 0 && system_timer->dyn_tick) {
- ret = sysdev_create_file(&system_timer->dev, &attr_dyn_tick);
-
- /*
- * Turn on dynamic tick after calibrate delay
- * for correct bogomips
- */
- if (ret == 0 && dyntick_str[0] == 'e')
- ret = timer_dyn_tick_enable();
- }
-#endif
-
return ret;
}
@@ -500,10 +385,5 @@ void __init time_init(void)
system_timer->offset = dummy_gettimeoffset;
#endif
system_timer->init();
-
-#ifdef CONFIG_NO_IDLE_HZ
- if (system_timer->dyn_tick)
- spin_lock_init(&system_timer->dyn_tick->lock);
-#endif
}
diff --git a/arch/arm/lib/copy_template.S b/arch/arm/lib/copy_template.S
index cab355c0c1f..139cce64605 100644
--- a/arch/arm/lib/copy_template.S
+++ b/arch/arm/lib/copy_template.S
@@ -13,14 +13,6 @@
*/
/*
- * This can be used to enable code to cacheline align the source pointer.
- * Experiments on tested architectures (StrongARM and XScale) didn't show
- * this a worthwhile thing to do. That might be different in the future.
- */
-//#define CALGN(code...) code
-#define CALGN(code...)
-
-/*
* Theory of operation
* -------------------
*
@@ -82,7 +74,7 @@
stmfd sp!, {r5 - r8}
blt 5f
- CALGN( ands ip, r1, #31 )
+ CALGN( ands ip, r0, #31 )
CALGN( rsb r3, ip, #32 )
CALGN( sbcnes r4, r3, r2 ) @ C is always set here
CALGN( bcs 2f )
@@ -168,7 +160,7 @@
subs r2, r2, #28
blt 14f
- CALGN( ands ip, r1, #31 )
+ CALGN( ands ip, r0, #31 )
CALGN( rsb ip, ip, #32 )
CALGN( sbcnes r4, ip, r2 ) @ C is always set here
CALGN( subcc r2, r2, ip )
diff --git a/arch/arm/lib/memmove.S b/arch/arm/lib/memmove.S
index ef7fddc14ac..2e301b7bd8f 100644
--- a/arch/arm/lib/memmove.S
+++ b/arch/arm/lib/memmove.S
@@ -13,14 +13,6 @@
#include <linux/linkage.h>
#include <asm/assembler.h>
-/*
- * This can be used to enable code to cacheline align the source pointer.
- * Experiments on tested architectures (StrongARM and XScale) didn't show
- * this a worthwhile thing to do. That might be different in the future.
- */
-//#define CALGN(code...) code
-#define CALGN(code...)
-
.text
/*
@@ -55,11 +47,12 @@ ENTRY(memmove)
stmfd sp!, {r5 - r8}
blt 5f
- CALGN( ands ip, r1, #31 )
+ CALGN( ands ip, r0, #31 )
CALGN( sbcnes r4, ip, r2 ) @ C is always set here
CALGN( bcs 2f )
CALGN( adr r4, 6f )
CALGN( subs r2, r2, ip ) @ C is set here
+ CALGN( rsb ip, ip, #32 )
CALGN( add pc, r4, ip )
PLD( pld [r1, #-4] )
@@ -138,8 +131,7 @@ ENTRY(memmove)
subs r2, r2, #28
blt 14f
- CALGN( ands ip, r1, #31 )
- CALGN( rsb ip, ip, #32 )
+ CALGN( ands ip, r0, #31 )
CALGN( sbcnes r4, ip, r2 ) @ C is always set here
CALGN( subcc r2, r2, ip )
CALGN( bcc 15f )
diff --git a/arch/arm/lib/memset.S b/arch/arm/lib/memset.S
index 95b110b07a8..b477d4ac88e 100644
--- a/arch/arm/lib/memset.S
+++ b/arch/arm/lib/memset.S
@@ -39,6 +39,9 @@ ENTRY(memset)
mov r3, r1
cmp r2, #16
blt 4f
+
+#if ! CALGN(1)+0
+
/*
* We need an extra register for this loop - save the return address and
* use the LR
@@ -64,6 +67,49 @@ ENTRY(memset)
stmneia r0!, {r1, r3, ip, lr}
ldr lr, [sp], #4
+#else
+
+/*
+ * This version aligns the destination pointer in order to write
+ * whole cache lines at once.
+ */
+
+ stmfd sp!, {r4-r7, lr}
+ mov r4, r1
+ mov r5, r1
+ mov r6, r1
+ mov r7, r1
+ mov ip, r1
+ mov lr, r1
+
+ cmp r2, #96
+ tstgt r0, #31
+ ble 3f
+
+ and ip, r0, #31
+ rsb ip, ip, #32
+ sub r2, r2, ip
+ movs ip, ip, lsl #(32 - 4)
+ stmcsia r0!, {r4, r5, r6, r7}
+ stmmiia r0!, {r4, r5}
+ tst ip, #(1 << 30)
+ mov ip, r1
+ strne r1, [r0], #4
+
+3: subs r2, r2, #64
+ stmgeia r0!, {r1, r3-r7, ip, lr}
+ stmgeia r0!, {r1, r3-r7, ip, lr}
+ bgt 3b
+ ldmeqfd sp!, {r4-r7, pc}
+
+ tst r2, #32
+ stmneia r0!, {r1, r3-r7, ip, lr}
+ tst r2, #16
+ stmneia r0!, {r4-r7}
+ ldmfd sp!, {r4-r7, lr}
+
+#endif
+
4: tst r2, #8
stmneia r0!, {r1, r3}
tst r2, #4
diff --git a/arch/arm/lib/memzero.S b/arch/arm/lib/memzero.S
index abf2508e822..b8f79d80ee9 100644
--- a/arch/arm/lib/memzero.S
+++ b/arch/arm/lib/memzero.S
@@ -39,6 +39,9 @@ ENTRY(__memzero)
*/
cmp r1, #16 @ 1 we can skip this chunk if we
blt 4f @ 1 have < 16 bytes
+
+#if ! CALGN(1)+0
+
/*
* We need an extra register for this loop - save the return address and
* use the LR
@@ -64,6 +67,47 @@ ENTRY(__memzero)
stmneia r0!, {r2, r3, ip, lr} @ 4
ldr lr, [sp], #4 @ 1
+#else
+
+/*
+ * This version aligns the destination pointer in order to write
+ * whole cache lines at once.
+ */
+
+ stmfd sp!, {r4-r7, lr}
+ mov r4, r2
+ mov r5, r2
+ mov r6, r2
+ mov r7, r2
+ mov ip, r2
+ mov lr, r2
+
+ cmp r1, #96
+ andgts ip, r0, #31
+ ble 3f
+
+ rsb ip, ip, #32
+ sub r1, r1, ip
+ movs ip, ip, lsl #(32 - 4)
+ stmcsia r0!, {r4, r5, r6, r7}
+ stmmiia r0!, {r4, r5}
+ movs ip, ip, lsl #2
+ strcs r2, [r0], #4
+
+3: subs r1, r1, #64
+ stmgeia r0!, {r2-r7, ip, lr}
+ stmgeia r0!, {r2-r7, ip, lr}
+ bgt 3b
+ ldmeqfd sp!, {r4-r7, pc}
+
+ tst r1, #32
+ stmneia r0!, {r2-r7, ip, lr}
+ tst r1, #16
+ stmneia r0!, {r4-r7}
+ ldmfd sp!, {r4-r7, lr}
+
+#endif
+
4: tst r1, #8 @ 1 8 bytes or more?
stmneia r0!, {r2, r3} @ 2
tst r1, #4 @ 1 4 bytes or more?
diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index 0fc07b6db74..5bad6b9b00d 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -30,6 +30,11 @@ config ARCH_AT91SAM9RL
select GENERIC_TIME
select GENERIC_CLOCKEVENTS
+config ARCH_AT91SAM9G20
+ bool "AT91SAM9G20"
+ select GENERIC_TIME
+ select GENERIC_CLOCKEVENTS
+
config ARCH_AT91CAP9
bool "AT91CAP9"
select GENERIC_TIME
@@ -126,6 +131,12 @@ config MACH_ECBAT91
Select this if you are using emQbit's ECB_AT91 board.
<http://wiki.emqbit.com/free-ecb-at91>
+config MACH_YL9200
+ bool "ucDragon YL-9200"
+ depends on ARCH_AT91RM9200
+ help
+ Select this if you are using the ucDragon YL-9200 board.
+
endif
# ----------------------------------------------------------
@@ -164,6 +175,20 @@ config MACH_SAM9_L9260
Select this if you are using Olimex's SAM9-L9260 board based on the Atmel AT91SAM9260.
<http://www.olimex.com/dev/sam9-L9260.html>
+config MACH_USB_A9260
+ bool "CALAO USB-A9260"
+ depends on ARCH_AT91SAM9260
+ help
+ Select this if you are using a Calao Systems USB-A9260.
+ <http://www.calao-systems.com>
+
+config MACH_QIL_A9260
+ bool "CALAO QIL-A9260 board"
+ depends on ARCH_AT91SAM9260
+ help
+ Select this if you are using a Calao Systems QIL-A9260 Board.
+ <http://www.calao-systems.com>
+
endif
# ----------------------------------------------------------
@@ -194,6 +219,13 @@ config MACH_AT91SAM9263EK
Select this if you are using Atmel's AT91SAM9263-EK Evaluation Kit.
<http://www.atmel.com/dyn/products/tools_card.asp?tool_id=4057>
+config MACH_USB_A9263
+ bool "CALAO USB-A9263"
+ depends on ARCH_AT91SAM9263
+ help
+ Select this if you are using a Calao Systems USB-A9263.
+ <http://www.calao-systems.com>
+
endif
# ----------------------------------------------------------
@@ -212,6 +244,20 @@ endif
# ----------------------------------------------------------
+if ARCH_AT91SAM9G20
+
+comment "AT91SAM9G20 Board Type"
+
+config MACH_AT91SAM9G20EK
+ bool "Atmel AT91SAM9G20-EK Evaluation Kit"
+ depends on ARCH_AT91SAM9G20
+ help
+ Select this if you are using Atmel's AT91SAM9G20-EK Evaluation Kit.
+
+endif
+
+# ----------------------------------------------------------
+
if ARCH_AT91CAP9
comment "AT91CAP9 Board Type"
@@ -247,13 +293,13 @@ comment "AT91 Board Options"
config MTD_AT91_DATAFLASH_CARD
bool "Enable DataFlash Card support"
- depends on (ARCH_AT91RM9200DK || MACH_AT91RM9200EK || MACH_AT91SAM9260EK || MACH_AT91SAM9261EK || MACH_AT91SAM9263EK || MACH_AT91CAP9ADK || MACH_SAM9_L9260 || MACH_ECBAT91)
+ depends on (ARCH_AT91RM9200DK || MACH_AT91RM9200EK || MACH_AT91SAM9260EK || MACH_AT91SAM9261EK || MACH_AT91SAM9263EK || MACH_AT91SAM9G20EK || MACH_ECBAT91 || MACH_SAM9_L9260 || MACH_AT91CAP9ADK)
help
Enable support for the DataFlash card.
config MTD_NAND_AT91_BUSWIDTH_16
bool "Enable 16-bit data bus interface to NAND flash"
- depends on (MACH_AT91SAM9260EK || MACH_AT91SAM9261EK || MACH_AT91SAM9263EK || MACH_AT91CAP9ADK)
+ depends on (MACH_AT91SAM9260EK || MACH_AT91SAM9261EK || MACH_AT91SAM9263EK || MACH_AT91SAM9G20EK || MACH_AT91CAP9ADK)
help
On AT91SAM926x boards both types of NAND flash can be present
(8 and 16 bit data bus width).
@@ -302,15 +348,15 @@ config AT91_EARLY_USART2
config AT91_EARLY_USART3
bool "USART3"
- depends on (ARCH_AT91RM9200 || ARCH_AT91SAM9RL || ARCH_AT91SAM9260)
+ depends on (ARCH_AT91RM9200 || ARCH_AT91SAM9RL || ARCH_AT91SAM9260 || ARCH_AT91SAM9G20)
config AT91_EARLY_USART4
bool "USART4"
- depends on ARCH_AT91SAM9260
+ depends on ARCH_AT91SAM9260 || ARCH_AT91SAM9G20
config AT91_EARLY_USART5
bool "USART5"
- depends on ARCH_AT91SAM9260
+ depends on ARCH_AT91SAM9260 || ARCH_AT91SAM9G20
endchoice
diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile
index 8d9bc0153b1..7d641f97516 100644
--- a/arch/arm/mach-at91/Makefile
+++ b/arch/arm/mach-at91/Makefile
@@ -15,6 +15,7 @@ obj-$(CONFIG_ARCH_AT91SAM9260) += at91sam9260.o at91sam926x_time.o at91sam9260_d
obj-$(CONFIG_ARCH_AT91SAM9261) += at91sam9261.o at91sam926x_time.o at91sam9261_devices.o
obj-$(CONFIG_ARCH_AT91SAM9263) += at91sam9263.o at91sam926x_time.o at91sam9263_devices.o
obj-$(CONFIG_ARCH_AT91SAM9RL) += at91sam9rl.o at91sam926x_time.o at91sam9rl_devices.o
+obj-$(CONFIG_ARCH_AT91SAM9G20) += at91sam9260.o at91sam926x_time.o at91sam9260_devices.o
obj-$(CONFIG_ARCH_AT91CAP9) += at91cap9.o at91sam926x_time.o at91cap9_devices.o
obj-$(CONFIG_ARCH_AT91X40) += at91x40.o at91x40_time.o
@@ -30,21 +31,28 @@ obj-$(CONFIG_MACH_ATEB9200) += board-eb9200.o
obj-$(CONFIG_MACH_KAFA) += board-kafa.o
obj-$(CONFIG_MACH_PICOTUX2XX) += board-picotux200.o
obj-$(CONFIG_MACH_ECBAT91) += board-ecbat91.o
+obj-$(CONFIG_MACH_YL9200) += board-yl-9200.o
# AT91SAM9260 board-specific support
obj-$(CONFIG_MACH_AT91SAM9260EK) += board-sam9260ek.o
obj-$(CONFIG_MACH_CAM60) += board-cam60.o
obj-$(CONFIG_MACH_SAM9_L9260) += board-sam9-l9260.o
+obj-$(CONFIG_MACH_USB_A9260) += board-usb-a9260.o
+obj-$(CONFIG_MACH_QIL_A9260) += board-qil-a9260.o
# AT91SAM9261 board-specific support
obj-$(CONFIG_MACH_AT91SAM9261EK) += board-sam9261ek.o
# AT91SAM9263 board-specific support
obj-$(CONFIG_MACH_AT91SAM9263EK) += board-sam9263ek.o
+obj-$(CONFIG_MACH_USB_A9263) += board-usb-a9263.o
# AT91SAM9RL board-specific support
obj-$(CONFIG_MACH_AT91SAM9RLEK) += board-sam9rlek.o
+# AT91SAM9G20 board-specific support
+obj-$(CONFIG_MACH_AT91SAM9G20EK) += board-sam9g20ek.o
+
# AT91CAP9 board-specific support
obj-$(CONFIG_MACH_AT91CAP9ADK) += board-cap9adk.o
diff --git a/arch/arm/mach-at91/at91cap9_devices.c b/arch/arm/mach-at91/at91cap9_devices.c
index be526746e01..747b9dedab8 100644
--- a/arch/arm/mach-at91/at91cap9_devices.c
+++ b/arch/arm/mach-at91/at91cap9_devices.c
@@ -84,6 +84,105 @@ void __init at91_add_device_usbh(struct at91_usbh_data *data) {}
/* --------------------------------------------------------------------
+ * USB HS Device (Gadget)
+ * -------------------------------------------------------------------- */
+
+#if defined(CONFIG_USB_GADGET_ATMEL_USBA) || defined(CONFIG_USB_GADGET_ATMEL_USBA_MODULE)
+
+static struct resource usba_udc_resources[] = {
+ [0] = {
+ .start = AT91CAP9_UDPHS_FIFO,
+ .end = AT91CAP9_UDPHS_FIFO + SZ_512K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = AT91CAP9_BASE_UDPHS,
+ .end = AT91CAP9_BASE_UDPHS + SZ_1K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [2] = {
+ .start = AT91CAP9_ID_UDPHS,
+ .end = AT91CAP9_ID_UDPHS,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+#define EP(nam, idx, maxpkt, maxbk, dma, isoc) \
+ [idx] = { \
+ .name = nam, \
+ .index = idx, \
+ .fifo_size = maxpkt, \
+ .nr_banks = maxbk, \
+ .can_dma = dma, \
+ .can_isoc = isoc, \
+ }
+
+static struct usba_ep_data usba_udc_ep[] = {
+ EP("ep0", 0, 64, 1, 0, 0),
+ EP("ep1", 1, 1024, 3, 1, 1),
+ EP("ep2", 2, 1024, 3, 1, 1),
+ EP("ep3", 3, 1024, 2, 1, 1),
+ EP("ep4", 4, 1024, 2, 1, 1),
+ EP("ep5", 5, 1024, 2, 1, 0),
+ EP("ep6", 6, 1024, 2, 1, 0),
+ EP("ep7", 7, 1024, 2, 0, 0),
+};
+
+#undef EP
+
+/*
+ * pdata doesn't have room for any endpoints, so we need to
+ * append room for the ones we need right after it.
+ */
+static struct {
+ struct usba_platform_data pdata;
+ struct usba_ep_data ep[8];
+} usba_udc_data;
+
+static struct platform_device at91_usba_udc_device = {
+ .name = "atmel_usba_udc",
+ .id = -1,
+ .dev = {
+ .platform_data = &usba_udc_data.pdata,
+ },
+ .resource = usba_udc_resources,
+ .num_resources = ARRAY_SIZE(usba_udc_resources),
+};
+
+void __init at91_add_device_usba(struct usba_platform_data *data)
+{
+ at91_sys_write(AT91_MATRIX_UDPHS, AT91_MATRIX_SELECT_UDPHS |
+ AT91_MATRIX_UDPHS_BYPASS_LOCK);
+
+ /*
+ * Invalid pins are 0 on AT91, but the usba driver is shared
+ * with AVR32, which use negative values instead. Once/if
+ * gpio_is_valid() is ported to AT91, revisit this code.
+ */
+ usba_udc_data.pdata.vbus_pin = -EINVAL;
+ usba_udc_data.pdata.num_ep = ARRAY_SIZE(usba_udc_ep);
+ memcpy(usba_udc_data.ep, usba_udc_ep, sizeof(usba_udc_ep));;
+
+ if (data && data->vbus_pin > 0) {
+ at91_set_gpio_input(data->vbus_pin, 0);
+ at91_set_deglitch(data->vbus_pin, 1);
+ usba_udc_data.pdata.vbus_pin = data->vbus_pin;
+ }
+
+ /* Pullup pin is handled internally by USB device peripheral */
+
+ /* Clocks */
+ at91_clock_associate("utmi_clk", &at91_usba_udc_device.dev, "hclk");
+ at91_clock_associate("udphs_clk", &at91_usba_udc_device.dev, "pclk");
+
+ platform_device_register(&at91_usba_udc_device);
+}
+#else
+void __init at91_add_device_usba(struct usba_platform_data *data) {}
+#endif
+
+
+/* --------------------------------------------------------------------
* Ethernet
* -------------------------------------------------------------------- */
diff --git a/arch/arm/mach-at91/at91sam9260.c b/arch/arm/mach-at91/at91sam9260.c
index ee26550cdc2..380f12a1220 100644
--- a/arch/arm/mach-at91/at91sam9260.c
+++ b/arch/arm/mach-at91/at91sam9260.c
@@ -47,6 +47,20 @@ static struct map_desc at91sam9260_sram_desc[] __initdata = {
}
};
+static struct map_desc at91sam9g20_sram_desc[] __initdata = {
+ {
+ .virtual = AT91_IO_VIRT_BASE - AT91SAM9G20_SRAM0_SIZE,
+ .pfn = __phys_to_pfn(AT91SAM9G20_SRAM0_BASE),
+ .length = AT91SAM9G20_SRAM0_SIZE,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = AT91_IO_VIRT_BASE - AT91SAM9G20_SRAM0_SIZE - AT91SAM9G20_SRAM1_SIZE,
+ .pfn = __phys_to_pfn(AT91SAM9G20_SRAM1_BASE),
+ .length = AT91SAM9G20_SRAM1_SIZE,
+ .type = MT_DEVICE,
+ }
+};
+
static struct map_desc at91sam9xe_sram_desc[] __initdata = {
{
.pfn = __phys_to_pfn(AT91SAM9XE_SRAM_BASE),
@@ -307,6 +321,8 @@ void __init at91sam9260_initialize(unsigned long main_clock)
if (cpu_is_at91sam9xe())
at91sam9xe_initialize();
+ else if (cpu_is_at91sam9g20())
+ iotable_init(at91sam9g20_sram_desc, ARRAY_SIZE(at91sam9g20_sram_desc));
else
iotable_init(at91sam9260_sram_desc, ARRAY_SIZE(at91sam9260_sram_desc));
diff --git a/arch/arm/mach-at91/at91sam9260_devices.c b/arch/arm/mach-at91/at91sam9260_devices.c
index 393a32aefce..86cba4ac29b 100644
--- a/arch/arm/mach-at91/at91sam9260_devices.c
+++ b/arch/arm/mach-at91/at91sam9260_devices.c
@@ -18,6 +18,7 @@
#include <asm/arch/board.h>
#include <asm/arch/gpio.h>
+#include <asm/arch/cpu.h>
#include <asm/arch/at91sam9260.h>
#include <asm/arch/at91sam9260_matrix.h>
#include <asm/arch/at91sam9_smc.h>
@@ -320,20 +321,41 @@ void __init at91_add_device_nand(struct at91_nand_data *data)
csa = at91_sys_read(AT91_MATRIX_EBICSA);
at91_sys_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_CS3A_SMC_SMARTMEDIA);
- /* set the bus interface characteristics */
- at91_sys_write(AT91_SMC_SETUP(3), AT91_SMC_NWESETUP_(0) | AT91_SMC_NCS_WRSETUP_(0)
- | AT91_SMC_NRDSETUP_(0) | AT91_SMC_NCS_RDSETUP_(0));
+ if (cpu_is_at91sam9260()) {
+ /* Timing for sam9260 */
+ /* set the bus interface characteristics */
+ at91_sys_write(AT91_SMC_SETUP(3), AT91_SMC_NWESETUP_(1) | AT91_SMC_NCS_WRSETUP_(0)
+ | AT91_SMC_NRDSETUP_(1) | AT91_SMC_NCS_RDSETUP_(0));
- at91_sys_write(AT91_SMC_PULSE(3), AT91_SMC_NWEPULSE_(3) | AT91_SMC_NCS_WRPULSE_(3)
- | AT91_SMC_NRDPULSE_(3) | AT91_SMC_NCS_RDPULSE_(3));
+ at91_sys_write(AT91_SMC_PULSE(3), AT91_SMC_NWEPULSE_(3) | AT91_SMC_NCS_WRPULSE_(3)
+ | AT91_SMC_NRDPULSE_(3) | AT91_SMC_NCS_RDPULSE_(3));
- at91_sys_write(AT91_SMC_CYCLE(3), AT91_SMC_NWECYCLE_(5) | AT91_SMC_NRDCYCLE_(5));
+ at91_sys_write(AT91_SMC_CYCLE(3), AT91_SMC_NWECYCLE_(5) | AT91_SMC_NRDCYCLE_(5));
- if (data->bus_width_16)
- mode = AT91_SMC_DBW_16;
- else
- mode = AT91_SMC_DBW_8;
- at91_sys_write(AT91_SMC_MODE(3), mode | AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_TDF_(2));
+ if (data->bus_width_16)
+ mode = AT91_SMC_DBW_16;
+ else
+ mode = AT91_SMC_DBW_8;
+ at91_sys_write(AT91_SMC_MODE(3), mode | AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_TDF_(2));
+ }
+
+ if (cpu_is_at91sam9g20()) {
+ /* Timing for sam9g20 */
+ /* set the bus interface characteristics */
+ at91_sys_write(AT91_SMC_SETUP(3), AT91_SMC_NWESETUP_(2) | AT91_SMC_NCS_WRSETUP_(0)
+ | AT91_SMC_NRDSETUP_(2) | AT91_SMC_NCS_RDSETUP_(0));
+
+ at91_sys_write(AT91_SMC_PULSE(3), AT91_SMC_NWEPULSE_(4) | AT91_SMC_NCS_WRPULSE_(4)
+ | AT91_SMC_NRDPULSE_(4) | AT91_SMC_NCS_RDPULSE_(4));
+
+ at91_sys_write(AT91_SMC_CYCLE(3), AT91_SMC_NWECYCLE_(7) | AT91_SMC_NRDCYCLE_(7));
+
+ if (data->bus_width_16)
+ mode = AT91_SMC_DBW_16;
+ else
+ mode = AT91_SMC_DBW_8;
+ at91_sys_write(AT91_SMC_MODE(3), mode | AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_TDF_(3));
+ }
/* enable pin */
if (data->enable_pin)
diff --git a/arch/arm/mach-at91/at91sam9261_devices.c b/arch/arm/mach-at91/at91sam9261_devices.c
index 0babb645b83..ec1891375df 100644
--- a/arch/arm/mach-at91/at91sam9261_devices.c
+++ b/arch/arm/mach-at91/at91sam9261_devices.c
@@ -232,19 +232,19 @@ void __init at91_add_device_nand(struct at91_nand_data *data)
at91_sys_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_CS3A_SMC_SMARTMEDIA);
/* set the bus interface characteristics */
- at91_sys_write(AT91_SMC_SETUP(3), AT91_SMC_NWESETUP_(0) | AT91_SMC_NCS_WRSETUP_(0)
- | AT91_SMC_NRDSETUP_(0) | AT91_SMC_NCS_RDSETUP_(0));
+ at91_sys_write(AT91_SMC_SETUP(3), AT91_SMC_NWESETUP_(1) | AT91_SMC_NCS_WRSETUP_(0)
+ | AT91_SMC_NRDSETUP_(1) | AT91_SMC_NCS_RDSETUP_(0));
- at91_sys_write(AT91_SMC_PULSE(3), AT91_SMC_NWEPULSE_(2) | AT91_SMC_NCS_WRPULSE_(5)
- | AT91_SMC_NRDPULSE_(2) | AT91_SMC_NCS_RDPULSE_(5));
+ at91_sys_write(AT91_SMC_PULSE(3), AT91_SMC_NWEPULSE_(3) | AT91_SMC_NCS_WRPULSE_(3)
+ | AT91_SMC_NRDPULSE_(3) | AT91_SMC_NCS_RDPULSE_(3));
- at91_sys_write(AT91_SMC_CYCLE(3), AT91_SMC_NWECYCLE_(7) | AT91_SMC_NRDCYCLE_(7));
+ at91_sys_write(AT91_SMC_CYCLE(3), AT91_SMC_NWECYCLE_(5) | AT91_SMC_NRDCYCLE_(5));
if (data->bus_width_16)
mode = AT91_SMC_DBW_16;
else
mode = AT91_SMC_DBW_8;
- at91_sys_write(AT91_SMC_MODE(3), mode | AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_TDF_(1));
+ at91_sys_write(AT91_SMC_MODE(3), mode | AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_TDF_(2));
/* enable pin */
if (data->enable_pin)
diff --git a/arch/arm/mach-at91/at91sam9263_devices.c b/arch/arm/mach-at91/at91sam9263_devices.c
index 719667e25c9..8a81f76f020 100644
--- a/arch/arm/mach-at91/at91sam9263_devices.c
+++ b/arch/arm/mach-at91/at91sam9263_devices.c
@@ -391,8 +391,8 @@ void __init at91_add_device_nand(struct at91_nand_data *data)
at91_sys_write(AT91_MATRIX_EBI0CSA, csa | AT91_MATRIX_EBI0_CS3A_SMC_SMARTMEDIA);
/* set the bus interface characteristics */
- at91_sys_write(AT91_SMC_SETUP(3), AT91_SMC_NWESETUP_(0) | AT91_SMC_NCS_WRSETUP_(0)
- | AT91_SMC_NRDSETUP_(0) | AT91_SMC_NCS_RDSETUP_(0));
+ at91_sys_write(AT91_SMC_SETUP(3), AT91_SMC_NWESETUP_(1) | AT91_SMC_NCS_WRSETUP_(0)
+ | AT91_SMC_NRDSETUP_(1) | AT91_SMC_NCS_RDSETUP_(0));
at91_sys_write(AT91_SMC_PULSE(3), AT91_SMC_NWEPULSE_(3) | AT91_SMC_NCS_WRPULSE_(3)
| AT91_SMC_NRDPULSE_(3) | AT91_SMC_NCS_RDPULSE_(3));
diff --git a/arch/arm/mach-at91/at91sam9rl_devices.c b/arch/arm/mach-at91/at91sam9rl_devices.c
index 450db304936..ae28101e754 100644
--- a/arch/arm/mach-at91/at91sam9rl_devices.c
+++ b/arch/arm/mach-at91/at91sam9rl_devices.c
@@ -26,6 +26,101 @@
/* --------------------------------------------------------------------
+ * USB HS Device (Gadget)
+ * -------------------------------------------------------------------- */
+
+#if defined(CONFIG_USB_GADGET_ATMEL_USBA) || defined(CONFIG_USB_GADGET_ATMEL_USBA_MODULE)
+
+static struct resource usba_udc_resources[] = {
+ [0] = {
+ .start = AT91SAM9RL_UDPHS_FIFO,
+ .end = AT91SAM9RL_UDPHS_FIFO + SZ_512K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = AT91SAM9RL_BASE_UDPHS,
+ .end = AT91SAM9RL_BASE_UDPHS + SZ_1K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [2] = {
+ .start = AT91SAM9RL_ID_UDPHS,
+ .end = AT91SAM9RL_ID_UDPHS,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+#define EP(nam, idx, maxpkt, maxbk, dma, isoc) \
+ [idx] = { \
+ .name = nam, \
+ .index = idx, \
+ .fifo_size = maxpkt, \
+ .nr_banks = maxbk, \
+ .can_dma = dma, \
+ .can_isoc = isoc, \
+ }
+
+static struct usba_ep_data usba_udc_ep[] __initdata = {
+ EP("ep0", 0, 64, 1, 0, 0),
+ EP("ep1", 1, 1024, 2, 1, 1),
+ EP("ep2", 2, 1024, 2, 1, 1),
+ EP("ep3", 3, 1024, 3, 1, 0),
+ EP("ep4", 4, 1024, 3, 1, 0),
+ EP("ep5", 5, 1024, 3, 1, 1),
+ EP("ep6", 6, 1024, 3, 1, 1),
+};
+
+#undef EP
+
+/*
+ * pdata doesn't have room for any endpoints, so we need to
+ * append room for the ones we need right after it.
+ */
+static struct {
+ struct usba_platform_data pdata;
+ struct usba_ep_data ep[7];
+} usba_udc_data;
+
+static struct platform_device at91_usba_udc_device = {
+ .name = "atmel_usba_udc",
+ .id = -1,
+ .dev = {
+ .platform_data = &usba_udc_data.pdata,
+ },
+ .resource = usba_udc_resources,
+ .num_resources = ARRAY_SIZE(usba_udc_resources),
+};
+
+void __init at91_add_device_usba(struct usba_platform_data *data)
+{
+ /*
+ * Invalid pins are 0 on AT91, but the usba driver is shared
+ * with AVR32, which use negative values instead. Once/if
+ * gpio_is_valid() is ported to AT91, revisit this code.
+ */
+ usba_udc_data.pdata.vbus_pin = -EINVAL;
+ usba_udc_data.pdata.num_ep = ARRAY_SIZE(usba_udc_ep);
+ memcpy(usba_udc_data.ep, usba_udc_ep, sizeof(usba_udc_ep));;
+
+ if (data && data->vbus_pin > 0) {
+ at91_set_gpio_input(data->vbus_pin, 0);
+ at91_set_deglitch(data->vbus_pin, 1);
+ usba_udc_data.pdata.vbus_pin = data->vbus_pin;
+ }
+
+ /* Pullup pin is handled internally by USB device peripheral */
+
+ /* Clocks */
+ at91_clock_associate("utmi_clk", &at91_usba_udc_device.dev, "hclk");
+ at91_clock_associate("udphs_clk", &at91_usba_udc_device.dev, "pclk");
+
+ platform_device_register(&at91_usba_udc_device);
+}
+#else
+void __init at91_add_device_usba(struct usba_platform_data *data) {}
+#endif
+
+
+/* --------------------------------------------------------------------
* MMC / SD
* -------------------------------------------------------------------- */
@@ -138,15 +233,15 @@ void __init at91_add_device_nand(struct at91_nand_data *data)
at91_sys_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_CS3A_SMC_SMARTMEDIA);
/* set the bus interface characteristics */
- at91_sys_write(AT91_SMC_SETUP(3), AT91_SMC_NWESETUP_(0) | AT91_SMC_NCS_WRSETUP_(0)
- | AT91_SMC_NRDSETUP_(0) | AT91_SMC_NCS_RDSETUP_(0));
+ at91_sys_write(AT91_SMC_SETUP(3), AT91_SMC_NWESETUP_(1) | AT91_SMC_NCS_WRSETUP_(0)
+ | AT91_SMC_NRDSETUP_(1) | AT91_SMC_NCS_RDSETUP_(0));
- at91_sys_write(AT91_SMC_PULSE(3), AT91_SMC_NWEPULSE_(2) | AT91_SMC_NCS_WRPULSE_(5)
- | AT91_SMC_NRDPULSE_(2) | AT91_SMC_NCS_RDPULSE_(5));
+ at91_sys_write(AT91_SMC_PULSE(3), AT91_SMC_NWEPULSE_(3) | AT91_SMC_NCS_WRPULSE_(3)
+ | AT91_SMC_NRDPULSE_(3) | AT91_SMC_NCS_RDPULSE_(3));
- at91_sys_write(AT91_SMC_CYCLE(3), AT91_SMC_NWECYCLE_(7) | AT91_SMC_NRDCYCLE_(7));
+ at91_sys_write(AT91_SMC_CYCLE(3), AT91_SMC_NWECYCLE_(5) | AT91_SMC_NRDCYCLE_(5));
- at91_sys_write(AT91_SMC_MODE(3), AT91_SMC_DBW_8 | AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_TDF_(1));
+ at91_sys_write(AT91_SMC_MODE(3), AT91_SMC_DBW_8 | AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_TDF_(2));
/* enable pin */
if (data->enable_pin)
diff --git a/arch/arm/mach-at91/board-cap9adk.c b/arch/arm/mach-at91/board-cap9adk.c
index e5512d1ff21..8a2a958639d 100644
--- a/arch/arm/mach-at91/board-cap9adk.c
+++ b/arch/arm/mach-at91/board-cap9adk.c
@@ -78,6 +78,12 @@ static struct at91_usbh_data __initdata cap9adk_usbh_data = {
.ports = 2,
};
+/*
+ * USB HS Device port
+ */
+static struct usba_platform_data __initdata cap9adk_usba_udc_data = {
+ .vbus_pin = AT91_PIN_PB31,
+};
/*
* ADS7846 Touchscreen
@@ -326,6 +332,9 @@ static void __init cap9adk_board_init(void)
/* USB Host */
set_irq_type(AT91CAP9_ID_UHP, IRQT_HIGH);
at91_add_device_usbh(&cap9adk_usbh_data);
+ /* USB HS */
+ set_irq_type(AT91CAP9_ID_UDPHS, IRQT_HIGH);
+ at91_add_device_usba(&cap9adk_usba_udc_data);
/* SPI */
at91_add_device_spi(cap9adk_spi_devices, ARRAY_SIZE(cap9adk_spi_devices));
/* Touchscreen */
diff --git a/arch/arm/mach-at91/board-carmeva.c b/arch/arm/mach-at91/board-carmeva.c
index 0f0878294a6..9854fc3dd1f 100644
--- a/arch/arm/mach-at91/board-carmeva.c
+++ b/arch/arm/mach-at91/board-carmeva.c
@@ -40,24 +40,21 @@
#include "generic.h"
-/*
- * Serial port configuration.
- * 0 .. 3 = USART0 .. USART3
- * 4 = DBGU
- */
-static struct at91_uart_config __initdata carmeva_uart_config = {
- .console_tty = 0, /* ttyS0 */
- .nr_tty = 2,
- .tty_map = { 4, 1, -1, -1, -1 } /* ttyS0, ..., ttyS4 */
-};
-
static void __init carmeva_map_io(void)
{
/* Initialize processor: 20.000 MHz crystal */
at91rm9200_initialize(20000000, AT91RM9200_BGA);
- /* Setup the serial ports and console */
- at91_init_serial(&carmeva_uart_config);
+ /* DBGU on ttyS0. (Rx & Tx only) */
+ at91_register_uart(0, 0, 0);
+
+ /* USART1 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
+ at91_register_uart(AT91RM9200_ID_US1, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
+ | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
+ | ATMEL_UART_RI);
+
+ /* set serial console to ttyS0 (ie, DBGU) */
+ at91_set_serial_console(0);
}
static void __init carmeva_init_irq(void)
diff --git a/arch/arm/mach-at91/board-csb637.c b/arch/arm/mach-at91/board-csb637.c
index 419fd19b620..bb1a5474dda 100644
--- a/arch/arm/mach-at91/board-csb637.c
+++ b/arch/arm/mach-at91/board-csb637.c
@@ -45,10 +45,10 @@ static void __init csb637_map_io(void)
/* Initialize processor: 3.6864 MHz crystal */
at91rm9200_initialize(3686400, AT91RM9200_BGA);
- /* DBGU on ttyS0 */
+ /* DBGU on ttyS0. (Rx & Tx only) */
at91_register_uart(0, 0, 0);
- /* make console=ttyS0 the default */
+ /* make console=ttyS0 (ie, DBGU) the default */
at91_set_serial_console(0);
}
diff --git a/arch/arm/mach-at91/board-dk.c b/arch/arm/mach-at91/board-dk.c
index c1a813c7169..dab958d2592 100644
--- a/arch/arm/mach-at91/board-dk.c
+++ b/arch/arm/mach-at91/board-dk.c
@@ -45,17 +45,6 @@
#include "generic.h"
-/*
- * Serial port configuration.
- * 0 .. 3 = USART0 .. USART3
- * 4 = DBGU
- */
-static struct at91_uart_config __initdata dk_uart_config = {
- .console_tty = 0, /* ttyS0 */
- .nr_tty = 2,
- .tty_map = { 4, 1, -1, -1, -1 } /* ttyS0, ..., ttyS4 */
-};
-
static void __init dk_map_io(void)
{
/* Initialize processor: 18.432 MHz crystal */
@@ -64,8 +53,16 @@ static void __init dk_map_io(void)
/* Setup the LEDs */
at91_init_leds(AT91_PIN_PB2, AT91_PIN_PB2);
- /* Setup the serial ports and console */
- at91_init_serial(&dk_uart_config);
+ /* DBGU on ttyS0. (Rx & Tx only) */
+ at91_register_uart(0, 0, 0);
+
+ /* USART1 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
+ at91_register_uart(AT91RM9200_ID_US1, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
+ | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
+ | ATMEL_UART_RI);
+
+ /* set serial console to ttyS0 (ie, DBGU) */
+ at91_set_serial_console(0);
}
static void __init dk_init_irq(void)
@@ -163,7 +160,7 @@ static struct at91_nand_data __initdata dk_nand_data = {
#define DK_FLASH_SIZE 0x200000
static struct physmap_flash_data dk_flash_data = {
- .width = 2,
+ .width = 2,
};
static struct resource dk_flash_resource = {
diff --git a/arch/arm/mach-at91/board-eb9200.c b/arch/arm/mach-at91/board-eb9200.c
index af1a1d8ecc3..3fe054e0056 100644
--- a/arch/arm/mach-at91/board-eb9200.c
+++ b/arch/arm/mach-at91/board-eb9200.c
@@ -40,24 +40,24 @@
#include "generic.h"
-/*
- * Serial port configuration.
- * 0 .. 3 = USART0 .. USART3
- * 4 = DBGU
- */
-static struct at91_uart_config __initdata eb9200_uart_config = {
- .console_tty = 0, /* ttyS0 */
- .nr_tty = 2,
- .tty_map = { 4, 1, -1, -1, -1 } /* ttyS0, ..., ttyS4 */
-};
-
static void __init eb9200_map_io(void)
{
/* Initialize processor: 18.432 MHz crystal */
at91rm9200_initialize(18432000, AT91RM9200_BGA);
- /* Setup the serial ports and console */
- at91_init_serial(&eb9200_uart_config);
+ /* DBGU on ttyS0. (Rx & Tx only) */
+ at91_register_uart(0, 0, 0);
+
+ /* USART1 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
+ at91_register_uart(AT91RM9200_ID_US1, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
+ | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
+ | ATMEL_UART_RI);
+
+ /* USART2 on ttyS2. (Rx, Tx) - IRDA */
+ at91_register_uart(AT91RM9200_ID_US2, 2, 0);
+
+ /* set serial console to ttyS0 (ie, DBGU) */
+ at91_set_serial_console(0);
}
static void __init eb9200_init_irq(void)
diff --git a/arch/arm/mach-at91/board-ek.c b/arch/arm/mach-at91/board-ek.c
index 0574e50a30d..74aa4325eab 100644
--- a/arch/arm/mach-at91/board-ek.c
+++ b/arch/arm/mach-at91/board-ek.c
@@ -45,17 +45,6 @@
#include "generic.h"
-/*
- * Serial port configuration.
- * 0 .. 3 = USART0 .. USART3
- * 4 = DBGU
- */
-static struct at91_uart_config __initdata ek_uart_config = {
- .console_tty = 0, /* ttyS0 */
- .nr_tty = 2,
- .tty_map = { 4, 1, -1, -1, -1 } /* ttyS0, ..., ttyS4 */
-};
-
static void __init ek_map_io(void)
{
/* Initialize processor: 18.432 MHz crystal */
@@ -64,8 +53,16 @@ static void __init ek_map_io(void)
/* Setup the LEDs */
at91_init_leds(AT91_PIN_PB1, AT91_PIN_PB2);
- /* Setup the serial ports and console */
- at91_init_serial(&ek_uart_config);
+ /* DBGU on ttyS0. (Rx & Tx only) */
+ at91_register_uart(0, 0, 0);
+
+ /* USART1 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
+ at91_register_uart(AT91RM9200_ID_US1, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
+ | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
+ | ATMEL_UART_RI);
+
+ /* set serial console to ttyS0 (ie, DBGU) */
+ at91_set_serial_console(0);
}
static void __init ek_init_irq(void)
@@ -122,7 +119,7 @@ static struct i2c_board_info __initdata ek_i2c_devices[] = {
#define EK_FLASH_SIZE 0x200000
static struct physmap_flash_data ek_flash_data = {
- .width = 2,
+ .width = 2,
};
static struct resource ek_flash_resource = {
diff --git a/arch/arm/mach-at91/board-kb9202.c b/arch/arm/mach-at91/board-kb9202.c
index 4b39b9cda75..cb065febd95 100644
--- a/arch/arm/mach-at91/board-kb9202.c
+++ b/arch/arm/mach-at91/board-kb9202.c
@@ -37,19 +37,10 @@
#include <asm/arch/board.h>
#include <asm/arch/gpio.h>
-#include "generic.h"
+#include <asm/arch/at91rm9200_mc.h>
+#include "generic.h"
-/*
- * Serial port configuration.
- * 0 .. 3 = USART0 .. USART3
- * 4 = DBGU
- */
-static struct at91_uart_config __initdata kb9202_uart_config = {
- .console_tty = 0, /* ttyS0 */
- .nr_tty = 3,
- .tty_map = { 4, 0, 1, -1, -1 } /* ttyS0, ..., ttyS4 */
-};
static void __init kb9202_map_io(void)
{
@@ -59,8 +50,20 @@ static void __init kb9202_map_io(void)
/* Set up the LEDs */
at91_init_leds(AT91_PIN_PC19, AT91_PIN_PC18);
- /* Setup the serial ports and console */
- at91_init_serial(&kb9202_uart_config);
+ /* DBGU on ttyS0. (Rx & Tx only) */
+ at91_register_uart(0, 0, 0);
+
+ /* USART0 on ttyS1 (Rx & Tx only) */
+ at91_register_uart(AT91RM9200_ID_US0, 1, 0);
+
+ /* USART1 on ttyS2 (Rx & Tx only) - IRDA (optional) */
+ at91_register_uart(AT91RM9200_ID_US1, 2, 0);
+
+ /* USART3 on ttyS3 (Rx, Tx, CTS, RTS) - RS485 (optional) */
+ at91_register_uart(AT91RM9200_ID_US3, 3, ATMEL_UART_CTS | ATMEL_UART_RTS);
+
+ /* set serial console to ttyS0 (ie, DBGU) */
+ at91_set_serial_console(0);
}
static void __init kb9202_init_irq(void)
diff --git a/arch/arm/mach-at91/board-qil-a9260.c b/arch/arm/mach-at91/board-qil-a9260.c
new file mode 100644
index 00000000000..99b4ec3818d
--- /dev/null
+++ b/arch/arm/mach-at91/board-qil-a9260.c
@@ -0,0 +1,255 @@
+/*
+ * linux/arch/arm/mach-at91/board-qil-a9260.c
+ *
+ * Copyright (C) 2005 SAN People
+ * Copyright (C) 2006 Atmel
+ * Copyright (C) 2007 Calao-systems
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/mm.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/spi/spi.h>
+#include <linux/gpio_keys.h>
+#include <linux/input.h>
+#include <linux/clk.h>
+
+#include <asm/hardware.h>
+#include <asm/setup.h>
+#include <asm/mach-types.h>
+#include <asm/irq.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include <asm/arch/board.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/at91_shdwc.h>
+
+#include "generic.h"
+
+
+static void __init ek_map_io(void)
+{
+ /* Initialize processor: 12.000 MHz crystal */
+ at91sam9260_initialize(12000000);
+
+ /* DGBU on ttyS0. (Rx & Tx only) */
+ at91_register_uart(0, 0, 0);
+
+ /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
+ at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
+ | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
+ | ATMEL_UART_RI);
+
+ /* USART1 on ttyS2. (Rx, Tx, CTS, RTS) */
+ at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS);
+
+ /* USART2 on ttyS3. (Rx, Tx, CTS, RTS) */
+ at91_register_uart(AT91SAM9260_ID_US2, 3, ATMEL_UART_CTS | ATMEL_UART_RTS);
+
+ /* set serial console to ttyS1 (ie, USART0) */
+ at91_set_serial_console(1);
+
+}
+
+static void __init ek_init_irq(void)
+{
+ at91sam9260_init_interrupts(NULL);
+}
+
+
+/*
+ * USB Host port
+ */
+static struct at91_usbh_data __initdata ek_usbh_data = {
+ .ports = 2,
+};
+
+/*
+ * USB Device port
+ */
+static struct at91_udc_data __initdata ek_udc_data = {
+ .vbus_pin = AT91_PIN_PC5,
+ .pullup_pin = 0, /* pull-up driven by UDC */
+};
+
+/*
+ * SPI devices.
+ */
+static struct spi_board_info ek_spi_devices[] = {
+#if defined(CONFIG_RTC_DRV_M41T94)
+ { /* M41T94 RTC */
+ .modalias = "m41t94",
+ .chip_select = 0,
+ .max_speed_hz = 1 * 1000 * 1000,
+ .bus_num = 0,
+ }
+#endif
+};
+
+/*
+ * MACB Ethernet device
+ */
+static struct at91_eth_data __initdata ek_macb_data = {
+ .phy_irq_pin = AT91_PIN_PA31,
+ .is_rmii = 1,
+};
+
+/*
+ * NAND flash
+ */
+static struct mtd_partition __initdata ek_nand_partition[] = {
+ {
+ .name = "Uboot & Kernel",
+ .offset = 0x00000000,
+ .size = 16 * 1024 * 1024,
+ },
+ {
+ .name = "Root FS",
+ .offset = 0x01000000,
+ .size = 120 * 1024 * 1024,
+ },
+ {
+ .name = "FS",
+ .offset = 0x08800000,
+ .size = 120 * 1024 * 1024,
+ },
+};
+
+static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
+{
+ *num_partitions = ARRAY_SIZE(ek_nand_partition);
+ return ek_nand_partition;
+}
+
+static struct at91_nand_data __initdata ek_nand_data = {
+ .ale = 21,
+ .cle = 22,
+// .det_pin = ... not connected
+ .rdy_pin = AT91_PIN_PC13,
+ .enable_pin = AT91_PIN_PC14,
+ .partition_info = nand_partitions,
+#if defined(CONFIG_MTD_NAND_AT91_BUSWIDTH_16)
+ .bus_width_16 = 1,
+#else
+ .bus_width_16 = 0,
+#endif
+};
+
+/*
+ * MCI (SD/MMC)
+ */
+static struct at91_mmc_data __initdata ek_mmc_data = {
+ .slot_b = 0,
+ .wire4 = 1,
+// .det_pin = ... not connected
+// .wp_pin = ... not connected
+// .vcc_pin = ... not connected
+};
+
+/*
+ * GPIO Buttons
+ */
+#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
+static struct gpio_keys_button ek_buttons[] = {
+ { /* USER PUSH BUTTON */
+ .code = KEY_ENTER,
+ .gpio = AT91_PIN_PB10,
+ .active_low = 1,
+ .desc = "user_pb",
+ .wakeup = 1,
+ }
+};
+
+static struct gpio_keys_platform_data ek_button_data = {
+ .buttons = ek_buttons,
+ .nbuttons = ARRAY_SIZE(ek_buttons),
+};
+
+static struct platform_device ek_button_device = {
+ .name = "gpio-keys",
+ .id = -1,
+ .num_resources = 0,
+ .dev = {
+ .platform_data = &ek_button_data,
+ }
+};
+
+static void __init ek_add_device_buttons(void)
+{
+ at91_set_GPIO_periph(AT91_PIN_PB10, 1); /* user push button, pull up enabled */
+ at91_set_deglitch(AT91_PIN_PB10, 1);
+
+ platform_device_register(&ek_button_device);
+}
+#else
+static void __init ek_add_device_buttons(void) {}
+#endif
+
+/*
+ * LEDs
+ */
+static struct gpio_led ek_leds[] = {
+ { /* user_led (green) */
+ .name = "user_led",
+ .gpio = AT91_PIN_PB21,
+ .active_low = 0,
+ .default_trigger = "heartbeat",
+ }
+};
+
+static void __init ek_board_init(void)
+{
+ /* Serial */
+ at91_add_device_serial();
+ /* USB Host */
+ at91_add_device_usbh(&ek_usbh_data);
+ /* USB Device */
+ at91_add_device_udc(&ek_udc_data);
+ /* SPI */
+ at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
+ /* NAND */
+ at91_add_device_nand(&ek_nand_data);
+ /* I2C */
+ at91_add_device_i2c(NULL, 0);
+ /* Ethernet */
+ at91_add_device_eth(&ek_macb_data);
+ /* MMC */
+ at91_add_device_mmc(0, &ek_mmc_data);
+ /* Push Buttons */
+ ek_add_device_buttons();
+ /* LEDs */
+ at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
+ /* shutdown controller, wakeup button (5 msec low) */
+ at91_sys_write(AT91_SHDW_MR, AT91_SHDW_CPTWK0_(10) | AT91_SHDW_WKMODE0_LOW
+ | AT91_SHDW_RTTWKEN);
+}
+
+MACHINE_START(QIL_A9260, "CALAO QIL_A9260")
+ /* Maintainer: calao-systems */
+ .phys_io = AT91_BASE_SYS,
+ .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
+ .boot_params = AT91_SDRAM_BASE + 0x100,
+ .timer = &at91sam926x_timer,
+ .map_io = ek_map_io,
+ .init_irq = ek_init_irq,
+ .init_machine = ek_board_init,
+MACHINE_END
diff --git a/arch/arm/mach-at91/board-sam9g20ek.c b/arch/arm/mach-at91/board-sam9g20ek.c
new file mode 100644
index 00000000000..45617c20124
--- /dev/null
+++ b/arch/arm/mach-at91/board-sam9g20ek.c
@@ -0,0 +1,218 @@
+/*
+ * Copyright (C) 2005 SAN People
+ * Copyright (C) 2008 Atmel
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/mm.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/at73c213.h>
+#include <linux/clk.h>
+
+#include <asm/hardware.h>
+#include <asm/setup.h>
+#include <asm/mach-types.h>
+#include <asm/irq.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include <asm/arch/board.h>
+#include <asm/arch/gpio.h>
+
+#include "generic.h"
+
+
+static void __init ek_map_io(void)
+{
+ /* Initialize processor: 18.432 MHz crystal */
+ at91sam9260_initialize(18432000);
+
+ /* DGBU on ttyS0. (Rx & Tx only) */
+ at91_register_uart(0, 0, 0);
+
+ /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
+ at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
+ | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
+ | ATMEL_UART_RI);
+
+ /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */
+ at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS);
+
+ /* set serial console to ttyS0 (ie, DBGU) */
+ at91_set_serial_console(0);
+}
+
+static void __init ek_init_irq(void)
+{
+ at91sam9260_init_interrupts(NULL);
+}
+
+
+/*
+ * USB Host port
+ */
+static struct at91_usbh_data __initdata ek_usbh_data = {
+ .ports = 2,
+};
+
+/*
+ * USB Device port
+ */
+static struct at91_udc_data __initdata ek_udc_data = {
+ .vbus_pin = AT91_PIN_PC5,
+ .pullup_pin = 0, /* pull-up driven by UDC */
+};
+
+
+/*
+ * SPI devices.
+ */
+static struct spi_board_info ek_spi_devices[] = {
+#if !defined(CONFIG_MMC_AT91)
+ { /* DataFlash chip */
+ .modalias = "mtd_dataflash",
+ .chip_select = 1,
+ .max_speed_hz = 15 * 1000 * 1000,
+ .bus_num = 0,
+ },
+#if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
+ { /* DataFlash card */
+ .modalias = "mtd_dataflash",
+ .chip_select = 0,
+ .max_speed_hz = 15 * 1000 * 1000,
+ .bus_num = 0,
+ },
+#endif
+#endif
+};
+
+
+/*
+ * MACB Ethernet device
+ */
+static struct at91_eth_data __initdata ek_macb_data = {
+ .phy_irq_pin = AT91_PIN_PA7,
+ .is_rmii = 1,
+};
+
+
+/*
+ * NAND flash
+ */
+static struct mtd_partition __initdata ek_nand_partition[] = {
+ {
+ .name = "Bootstrap",
+ .offset = 0,
+ .size = 4 * 1024 * 1024,
+ },
+ {
+ .name = "Partition 1",
+ .offset = 4 * 1024 * 1024,
+ .size = 60 * 1024 * 1024,
+ },
+ {
+ .name = "Partition 2",
+ .offset = 64 * 1024 * 1024,
+ .size = MTDPART_SIZ_FULL,
+ },
+};
+
+static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
+{
+ *num_partitions = ARRAY_SIZE(ek_nand_partition);
+ return ek_nand_partition;
+}
+
+/* det_pin is not connected */
+static struct at91_nand_data __initdata ek_nand_data = {
+ .ale = 21,
+ .cle = 22,
+ .rdy_pin = AT91_PIN_PC13,
+ .enable_pin = AT91_PIN_PC14,
+ .partition_info = nand_partitions,
+#if defined(CONFIG_MTD_NAND_AT91_BUSWIDTH_16)
+ .bus_width_16 = 1,
+#else
+ .bus_width_16 = 0,
+#endif
+};
+
+
+/*
+ * MCI (SD/MMC)
+ * det_pin, wp_pin and vcc_pin are not connected
+ */
+static struct at91_mmc_data __initdata ek_mmc_data = {
+ .slot_b = 1,
+ .wire4 = 1,
+};
+
+
+/*
+ * LEDs
+ */
+static struct gpio_led ek_leds[] = {
+ { /* "bottom" led, green, userled1 to be defined */
+ .name = "ds5",
+ .gpio = AT91_PIN_PA6,
+ .active_low = 1,
+ .default_trigger = "none",
+ },
+ { /* "power" led, yellow */
+ .name = "ds1",
+ .gpio = AT91_PIN_PA9,
+ .default_trigger = "heartbeat",
+ }
+};
+
+static void __init ek_board_init(void)
+{
+ /* Serial */
+ at91_add_device_serial();
+ /* USB Host */
+ at91_add_device_usbh(&ek_usbh_data);
+ /* USB Device */
+ at91_add_device_udc(&ek_udc_data);
+ /* SPI */
+ at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
+ /* NAND */
+ at91_add_device_nand(&ek_nand_data);
+ /* Ethernet */
+ at91_add_device_eth(&ek_macb_data);
+ /* MMC */
+ at91_add_device_mmc(0, &ek_mmc_data);
+ /* I2C */
+ at91_add_device_i2c(NULL, 0);
+ /* LEDs */
+ at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
+}
+
+MACHINE_START(AT91SAM9G20EK, "Atmel AT91SAM9G20-EK")
+ /* Maintainer: Atmel */
+ .phys_io = AT91_BASE_SYS,
+ .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
+ .boot_params = AT91_SDRAM_BASE + 0x100,
+ .timer = &at91sam926x_timer,
+ .map_io = ek_map_io,
+ .init_irq = ek_init_irq,
+ .init_machine = ek_board_init,
+MACHINE_END
diff --git a/arch/arm/mach-at91/board-sam9rlek.c b/arch/arm/mach-at91/board-sam9rlek.c
index ffc0597aee8..b6a70fc735c 100644
--- a/arch/arm/mach-at91/board-sam9rlek.c
+++ b/arch/arm/mach-at91/board-sam9rlek.c
@@ -56,6 +56,14 @@ static void __init ek_init_irq(void)
/*
+ * USB HS Device port
+ */
+static struct usba_platform_data __initdata ek_usba_udc_data = {
+ .vbus_pin = AT91_PIN_PA8,
+};
+
+
+/*
* MCI (SD/MMC)
*/
static struct at91_mmc_data __initdata ek_mmc_data = {
@@ -175,6 +183,8 @@ static void __init ek_board_init(void)
{
/* Serial */
at91_add_device_serial();
+ /* USB HS */
+ at91_add_device_usba(&ek_usba_udc_data);
/* I2C */
at91_add_device_i2c(NULL, 0);
/* NAND */
diff --git a/arch/arm/mach-at91/board-usb-a9260.c b/arch/arm/mach-at91/board-usb-a9260.c
new file mode 100644
index 00000000000..837aedf8ffe
--- /dev/null
+++ b/arch/arm/mach-at91/board-usb-a9260.c
@@ -0,0 +1,215 @@
+/*
+ * linux/arch/arm/mach-at91/board-usb-a9260.c
+ *
+ * Copyright (C) 2005 SAN People
+ * Copyright (C) 2006 Atmel
+ * Copyright (C) 2007 Calao-systems
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/mm.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/spi/spi.h>
+#include <linux/gpio_keys.h>
+#include <linux/input.h>
+#include <linux/clk.h>
+
+#include <asm/hardware.h>
+#include <asm/setup.h>
+#include <asm/mach-types.h>
+#include <asm/irq.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include <asm/arch/board.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/at91_shdwc.h>
+
+#include "generic.h"
+
+
+static void __init ek_map_io(void)
+{
+ /* Initialize processor: 12.000 MHz crystal */
+ at91sam9260_initialize(12000000);
+
+ /* DGBU on ttyS0. (Rx & Tx only) */
+ at91_register_uart(0, 0, 0);
+
+ /* set serial console to ttyS0 (ie, DBGU) */
+ at91_set_serial_console(0);
+}
+
+static void __init ek_init_irq(void)
+{
+ at91sam9260_init_interrupts(NULL);
+}
+
+
+/*
+ * USB Host port
+ */
+static struct at91_usbh_data __initdata ek_usbh_data = {
+ .ports = 2,
+};
+
+/*
+ * USB Device port
+ */
+static struct at91_udc_data __initdata ek_udc_data = {
+ .vbus_pin = AT91_PIN_PC5,
+ .pullup_pin = 0, /* pull-up driven by UDC */
+};
+
+/*
+ * MACB Ethernet device
+ */
+static struct at91_eth_data __initdata ek_macb_data = {
+ .phy_irq_pin = AT91_PIN_PA31,
+ .is_rmii = 1,
+};
+
+/*
+ * NAND flash
+ */
+static struct mtd_partition __initdata ek_nand_partition[] = {
+ {
+ .name = "Uboot & Kernel",
+ .offset = 0x00000000,
+ .size = 16 * 1024 * 1024,
+ },
+ {
+ .name = "Root FS",
+ .offset = 0x01000000,
+ .size = 120 * 1024 * 1024,
+ },
+ {
+ .name = "FS",
+ .offset = 0x08800000,
+ .size = 120 * 1024 * 1024,
+ }
+};
+
+static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
+{
+ *num_partitions = ARRAY_SIZE(ek_nand_partition);
+ return ek_nand_partition;
+}
+
+static struct at91_nand_data __initdata ek_nand_data = {
+ .ale = 21,
+ .cle = 22,
+// .det_pin = ... not connected
+ .rdy_pin = AT91_PIN_PC13,
+ .enable_pin = AT91_PIN_PC14,
+ .partition_info = nand_partitions,
+#if defined(CONFIG_MTD_NAND_AT91_BUSWIDTH_16)
+ .bus_width_16 = 1,
+#else
+ .bus_width_16 = 0,
+#endif
+};
+
+/*
+ * GPIO Buttons
+ */
+
+#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
+static struct gpio_keys_button ek_buttons[] = {
+ { /* USER PUSH BUTTON */
+ .code = KEY_ENTER,
+ .gpio = AT91_PIN_PB10,
+ .active_low = 1,
+ .desc = "user_pb",
+ .wakeup = 1,
+ }
+};
+
+static struct gpio_keys_platform_data ek_button_data = {
+ .buttons = ek_buttons,
+ .nbuttons = ARRAY_SIZE(ek_buttons),
+};
+
+static struct platform_device ek_button_device = {
+ .name = "gpio-keys",
+ .id = -1,
+ .num_resources = 0,
+ .dev = {
+ .platform_data = &ek_button_data,
+ }
+};
+
+static void __init ek_add_device_buttons(void)
+{
+ at91_set_GPIO_periph(AT91_PIN_PB10, 1); /* user push button, pull up enabled */
+ at91_set_deglitch(AT91_PIN_PB10, 1);
+
+ platform_device_register(&ek_button_device);
+}
+#else
+static void __init ek_add_device_buttons(void) {}
+#endif
+
+/*
+ * LEDs
+ */
+static struct gpio_led ek_leds[] = {
+ { /* user_led (green) */
+ .name = "user_led",
+ .gpio = AT91_PIN_PB21,
+ .active_low = 0,
+ .default_trigger = "heartbeat",
+ }
+};
+
+static void __init ek_board_init(void)
+{
+ /* Serial */
+ at91_add_device_serial();
+ /* USB Host */
+ at91_add_device_usbh(&ek_usbh_data);
+ /* USB Device */
+ at91_add_device_udc(&ek_udc_data);
+ /* NAND */
+ at91_add_device_nand(&ek_nand_data);
+ /* I2C */
+ at91_add_device_i2c(NULL, 0);
+ /* Ethernet */
+ at91_add_device_eth(&ek_macb_data);
+ /* Push Buttons */
+ ek_add_device_buttons();
+ /* LEDs */
+ at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
+ /* shutdown controller, wakeup button (5 msec low) */
+ at91_sys_write(AT91_SHDW_MR, AT91_SHDW_CPTWK0_(10) | AT91_SHDW_WKMODE0_LOW
+ | AT91_SHDW_RTTWKEN);
+}
+
+MACHINE_START(USB_A9260, "CALAO USB_A9260")
+ /* Maintainer: calao-systems */
+ .phys_io = AT91_BASE_SYS,
+ .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
+ .boot_params = AT91_SDRAM_BASE + 0x100,
+ .timer = &at91sam926x_timer,
+ .map_io = ek_map_io,
+ .init_irq = ek_init_irq,
+ .init_machine = ek_board_init,
+MACHINE_END
diff --git a/arch/arm/mach-at91/board-usb-a9263.c b/arch/arm/mach-at91/board-usb-a9263.c
new file mode 100644
index 00000000000..95800d32bd4
--- /dev/null
+++ b/arch/arm/mach-at91/board-usb-a9263.c
@@ -0,0 +1,230 @@
+/*
+ * linux/arch/arm/mach-at91/board-usb-a9263.c
+ *
+ * Copyright (C) 2005 SAN People
+ * Copyright (C) 2007 Atmel Corporation.
+ * Copyright (C) 2007 Calao-systems
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/mm.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/spi/spi.h>
+#include <linux/gpio_keys.h>
+#include <linux/input.h>
+
+#include <asm/hardware.h>
+#include <asm/setup.h>
+#include <asm/mach-types.h>
+#include <asm/irq.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include <asm/arch/board.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/at91_shdwc.h>
+
+#include "generic.h"
+
+
+static void __init ek_map_io(void)
+{
+ /* Initialize processor: 12.00 MHz crystal */
+ at91sam9263_initialize(12000000);
+
+ /* DGBU on ttyS0. (Rx & Tx only) */
+ at91_register_uart(0, 0, 0);
+
+ /* set serial console to ttyS0 (ie, DBGU) */
+ at91_set_serial_console(0);
+}
+
+static void __init ek_init_irq(void)
+{
+ at91sam9263_init_interrupts(NULL);
+}
+
+
+/*
+ * USB Host port
+ */
+static struct at91_usbh_data __initdata ek_usbh_data = {
+ .ports = 2,
+};
+
+/*
+ * USB Device port
+ */
+static struct at91_udc_data __initdata ek_udc_data = {
+ .vbus_pin = AT91_PIN_PB11,
+ .pullup_pin = 0, /* pull-up driven by UDC */
+};
+
+/*
+ * SPI devices.
+ */
+static struct spi_board_info ek_spi_devices[] = {
+#if !defined(CONFIG_MMC_AT91)
+ { /* DataFlash chip */
+ .modalias = "mtd_dataflash",
+ .chip_select = 0,
+ .max_speed_hz = 15 * 1000 * 1000,
+ .bus_num = 0,
+ }
+#endif
+};
+
+/*
+ * MACB Ethernet device
+ */
+static struct at91_eth_data __initdata ek_macb_data = {
+ .phy_irq_pin = AT91_PIN_PE31,
+ .is_rmii = 1,
+};
+
+/*
+ * NAND flash
+ */
+static struct mtd_partition __initdata ek_nand_partition[] = {
+ {
+ .name = "Linux Kernel",
+ .offset = 0x00000000,
+ .size = 16 * 1024 * 1024,
+ },
+ {
+ .name = "Root FS",
+ .offset = 0x01000000,
+ .size = 120 * 1024 * 1024,
+ },
+ {
+ .name = "FS",
+ .offset = 0x08800000,
+ .size = 120 * 1024 * 1024,
+ }
+};
+
+static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
+{
+ *num_partitions = ARRAY_SIZE(ek_nand_partition);
+ return ek_nand_partition;
+}
+
+static struct at91_nand_data __initdata ek_nand_data = {
+ .ale = 21,
+ .cle = 22,
+// .det_pin = ... not connected
+ .rdy_pin = AT91_PIN_PA22,
+ .enable_pin = AT91_PIN_PD15,
+ .partition_info = nand_partitions,
+#if defined(CONFIG_MTD_NAND_AT91_BUSWIDTH_16)
+ .bus_width_16 = 1,
+#else
+ .bus_width_16 = 0,
+#endif
+};
+
+/*
+ * GPIO Buttons
+ */
+#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
+static struct gpio_keys_button ek_buttons[] = {
+ { /* USER PUSH BUTTON */
+ .code = KEY_ENTER,
+ .gpio = AT91_PIN_PB10,
+ .active_low = 1,
+ .desc = "user_pb",
+ .wakeup = 1,
+ }
+};
+
+static struct gpio_keys_platform_data ek_button_data = {
+ .buttons = ek_buttons,
+ .nbuttons = ARRAY_SIZE(ek_buttons),
+};
+
+static struct platform_device ek_button_device = {
+ .name = "gpio-keys",
+ .id = -1,
+ .num_resources = 0,
+ .dev = {
+ .platform_data = &ek_button_data,
+ }
+};
+
+static void __init ek_add_device_buttons(void)
+{
+ at91_set_GPIO_periph(AT91_PIN_PB10, 1); /* user push button, pull up enabled */
+ at91_set_deglitch(AT91_PIN_PB10, 1);
+
+ platform_device_register(&ek_button_device);
+}
+#else
+static void __init ek_add_device_buttons(void) {}
+#endif
+
+/*
+ * LEDs
+ */
+static struct gpio_led ek_leds[] = {
+ { /* user_led (green) */
+ .name = "user_led",
+ .gpio = AT91_PIN_PB21,
+ .active_low = 1,
+ .default_trigger = "heartbeat",
+ }
+};
+
+
+static void __init ek_board_init(void)
+{
+ /* Serial */
+ at91_add_device_serial();
+ /* USB Host */
+ at91_add_device_usbh(&ek_usbh_data);
+ /* USB Device */
+ at91_add_device_udc(&ek_udc_data);
+ /* SPI */
+ at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
+ /* Ethernet */
+ at91_add_device_eth(&ek_macb_data);
+ /* NAND */
+ at91_add_device_nand(&ek_nand_data);
+ /* I2C */
+ at91_add_device_i2c(NULL, 0);
+ /* Push Buttons */
+ ek_add_device_buttons();
+ /* LEDs */
+ at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
+ /* shutdown controller, wakeup button (5 msec low) */
+ at91_sys_write(AT91_SHDW_MR, AT91_SHDW_CPTWK0_(10) | AT91_SHDW_WKMODE0_LOW
+ | AT91_SHDW_RTTWKEN);
+}
+
+MACHINE_START(USB_A9263, "CALAO USB_A9263")
+ /* Maintainer: calao-systems */
+ .phys_io = AT91_BASE_SYS,
+ .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
+ .boot_params = AT91_SDRAM_BASE + 0x100,
+ .timer = &at91sam926x_timer,
+ .map_io = ek_map_io,
+ .init_irq = ek_init_irq,
+ .init_machine = ek_board_init,
+MACHINE_END
diff --git a/arch/arm/mach-at91/board-yl-9200.c b/arch/arm/mach-at91/board-yl-9200.c
index b5717108991..7079050ab88 100755
--- a/arch/arm/mach-at91/board-yl-9200.c
+++ b/arch/arm/mach-at91/board-yl-9200.c
@@ -1,11 +1,10 @@
/*
* linux/arch/arm/mach-at91/board-yl-9200.c
*
- * Adapted from:
- *various board files in
- * /arch/arm/mach-at91
- * modifications to convert to YL-9200 platform
- * Copyright (C) 2007 S.Birtles
+ * Adapted from various board files in arch/arm/mach-at91
+ *
+ * Modifications for YL-9200 platform:
+ * Copyright (C) 2007 S. Birtles
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -26,13 +25,14 @@
#include <linux/init.h>
#include <linux/mm.h>
#include <linux/module.h>
+#include <linux/dma-mapping.h>
#include <linux/platform_device.h>
#include <linux/spi/spi.h>
-/*#include <linux/can_bus/candata.h>*/
#include <linux/spi/ads7846.h>
#include <linux/mtd/physmap.h>
+#include <linux/gpio_keys.h>
+#include <linux/input.h>
-/*#include <sound/gpio_sounder.h>*/
#include <asm/hardware.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
@@ -45,179 +45,108 @@
#include <asm/arch/board.h>
#include <asm/arch/gpio.h>
#include <asm/arch/at91rm9200_mc.h>
-#include <linux/gpio_keys.h>
-#include <linux/input.h>
#include "generic.h"
-#include <asm/arch/at91_pio.h>
-#define YL_9200_FLASH_BASE AT91_CHIPSELECT_0
-#define YL_9200_FLASH_SIZE 0x800000
-/*
- * Serial port configuration.
- * 0 .. 3 = USART0 .. USART3
- * 4 = DBGU
- *atmel_usart.0: ttyS0 at MMIO 0xfefff200 (irq = 1) is a ATMEL_SERIAL
- *atmel_usart.1: ttyS1 at MMIO 0xfffc0000 (irq = 6) is a ATMEL_SERIAL
- *atmel_usart.2: ttyS2 at MMIO 0xfffc4000 (irq = 7) is a ATMEL_SERIAL
- *atmel_usart.3: ttyS3 at MMIO 0xfffc8000 (irq = 8) is a ATMEL_SERIAL
- *atmel_usart.4: ttyS4 at MMIO 0xfffcc000 (irq = 9) is a ATMEL_SERIAL
- * on the YL-9200 we are sitting at the following
- *ttyS0 at MMIO 0xfefff200 (irq = 1) is a AT91_SERIAL
- *ttyS1 at MMIO 0xfefc4000 (irq = 7) is a AT91_SERIAL
- */
+static void __init yl9200_map_io(void)
+{
+ /* Initialize processor: 18.432 MHz crystal */
+ at91rm9200_initialize(18432000, AT91RM9200_PQFP);
-/* extern void __init yl_9200_add_device_sounder(struct gpio_sounder *sounders, int nr);*/
+ /* Setup the LEDs D2=PB17 (timer), D3=PB16 (cpu) */
+ at91_init_leds(AT91_PIN_PB16, AT91_PIN_PB17);
-static struct at91_uart_config __initdata yl_9200_uart_config = {
- .console_tty = 0, /* ttyS0 */
- .nr_tty = 3,
- .tty_map = { 4, 1, 0, -1, -1 } /* ttyS0, ..., ttyS4 */
-};
+ /* DBGU on ttyS0. (Rx & Tx only) */
+ at91_register_uart(0, 0, 0);
-static void __init yl_9200_map_io(void)
-{
- /* Initialize processor: 18.432 MHz crystal */
- /*Also initialises register clocks & gpio*/
- at91rm9200_initialize(18432000, AT91RM9200_PQFP); /*we have a 3 bank system*/
+ /* USART1 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
+ at91_register_uart(AT91RM9200_ID_US1, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
+ | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
+ | ATMEL_UART_RI);
- /* Setup the serial ports and console */
- at91_init_serial(&yl_9200_uart_config);
+ /* USART0 on ttyS2. (Rx & Tx only to JP3) */
+ at91_register_uart(AT91RM9200_ID_US0, 2, 0);
- /* Setup the LEDs D2=PB17,D3=PB16 */
- at91_init_leds(AT91_PIN_PB16,AT91_PIN_PB17); /*cpu-led,timer-led*/
+ /* USART3 on ttyS3. (Rx, Tx, RTS - RS485 interface) */
+ at91_register_uart(AT91RM9200_ID_US3, 3, ATMEL_UART_RTS);
+
+ /* set serial console to ttyS0 (ie, DBGU) */
+ at91_set_serial_console(0);
}
-static void __init yl_9200_init_irq(void)
+static void __init yl9200_init_irq(void)
{
at91rm9200_init_interrupts(NULL);
}
-static struct at91_eth_data __initdata yl_9200_eth_data = {
- .phy_irq_pin = AT91_PIN_PB28,
- .is_rmii = 1,
-};
-static struct at91_usbh_data __initdata yl_9200_usbh_data = {
- .ports = 1, /* this should be 1 not 2 for the Yl9200*/
+/*
+ * LEDs
+ */
+static struct gpio_led yl9200_leds[] = {
+ { /* D2 */
+ .name = "led2",
+ .gpio = AT91_PIN_PB17,
+ .active_low = 1,
+ .default_trigger = "timer",
+ },
+ { /* D3 */
+ .name = "led3",
+ .gpio = AT91_PIN_PB16,
+ .active_low = 1,
+ .default_trigger = "heartbeat",
+ },
+ { /* D4 */
+ .name = "led4",
+ .gpio = AT91_PIN_PB15,
+ .active_low = 1,
+ },
+ { /* D5 */
+ .name = "led5",
+ .gpio = AT91_PIN_PB8,
+ .active_low = 1,
+ }
};
-static struct at91_udc_data __initdata yl_9200_udc_data = {
-/*on sheet 7 Schemitic rev 1.0*/
- .pullup_pin = AT91_PIN_PC4,
- .vbus_pin= AT91_PIN_PC5,
- .pullup_active_low = 1, /*ACTIVE LOW!! due to PNP transistor on page 7*/
-
-};
/*
-static struct at91_cf_data __initdata yl_9200_cf_data = {
-TODO S.BIRTLES
- .det_pin = AT91_PIN_xxx,
- .rst_pin = AT91_PIN_xxx,
- .irq_pin = ... not connected
- .vcc_pin = ... always powered
-
+ * Ethernet
+ */
+static struct at91_eth_data __initdata yl9200_eth_data = {
+ .phy_irq_pin = AT91_PIN_PB28,
+ .is_rmii = 1,
};
-*/
-static struct at91_mmc_data __initdata yl_9200_mmc_data = {
- .det_pin = AT91_PIN_PB9, /*THIS LOOKS CORRECT SHEET7*/
-/* .wp_pin = ... not connected SHEET7*/
- .slot_b = 0,
- .wire4 = 1,
+/*
+ * USB Host
+ */
+static struct at91_usbh_data __initdata yl9200_usbh_data = {
+ .ports = 1, /* PQFP version of AT91RM9200 */
};
-/* --------------------------------------------------------------------
- * Touch screen
- * -------------------------------------------------------------------- */
-#if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
-static int ads7843_pendown_state(void)
-{
- return !at91_get_gpio_value(AT91_PIN_PB11); /* Touchscreen PENIRQ */
-}
-
-static void __init at91_init_device_ts(void)
-{
-/*IMPORTANT NOTE THE SPI INTERFACE IS ALREADY CONFIGURED BY XXX_DEVICES.C
-THAT IS TO SAY THAT MISO,MOSI,SPCK AND CS are already configured
-we only need to enable the other datapins which are:
-PB10/RK1 BUSY
-*/
-/* Touchscreen BUSY signal , pin,use pullup ( TODO not currently used in the ADS7843/6.c driver)*/
-at91_set_gpio_input(AT91_PIN_PB10, 1);
-}
-
-#else
-static void __init at91_init_device_ts(void) {}
-#endif
-
-static struct ads7846_platform_data ads_info = {
- .model = 7843,
- .x_min = 150,
- .x_max = 3830,
- .y_min = 190,
- .y_max = 3830,
- .vref_delay_usecs = 100,
-/* for a 8" touch screen*/
- //.x_plate_ohms = 603, //= 450, S.Birtles TODO
- //.y_plate_ohms = 332, //= 250, S.Birtles TODO
-/*for a 10.4" touch screen*/
- //.x_plate_ohms =611,
- //.y_plate_ohms =325,
-
- .x_plate_ohms = 576,
- .y_plate_ohms = 366,
- //
- .pressure_max = 15000, /*generally nonsense on the 7843*/
- /*number of times to send query to chip in a given run 0 equals one time (do not set to 0!! ,there is a bug in ADS 7846 code)*/
- .debounce_max = 1,
- .debounce_rep = 0,
- .debounce_tol = (~0),
- .get_pendown_state = ads7843_pendown_state,
-};
+/*
+ * USB Device
+ */
+static struct at91_udc_data __initdata yl9200_udc_data = {
+ .pullup_pin = AT91_PIN_PC4,
+ .vbus_pin = AT91_PIN_PC5,
+ .pullup_active_low = 1, /* Active Low due to PNP transistor (pg 7) */
-/*static struct canbus_platform_data can_info = {
- .model = 2510,
};
-*/
-
-static struct spi_board_info yl_9200_spi_devices[] = {
-/*this sticks it at:
- /sys/devices/platform/atmel_spi.0/spi0.0
- /sys/bus/platform/devices/
-Documentation/spi IIRC*/
-#if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
- /*(this IS correct 04-NOV-2007)*/
- {
- .modalias = "ads7846", /* because the driver is called ads7846*/
- .chip_select = 0, /*THIS MUST BE AN INDEX INTO AN ARRAY OF pins */
-/*this is ONLY TO BE USED if chipselect above is not used, it passes a pin directly for the chip select*/
- /*.controller_data =AT91_PIN_PA3 ,*/
- .max_speed_hz = 5000*26, /*(4700 * 26)-125000 * 26, (max sample rate @ 3V) * (cmd + data + overhead) */
- .bus_num = 0,
- .platform_data = &ads_info,
- .irq = AT91_PIN_PB11,
- },
-#endif
-/*we need to put our CAN driver data here!!*/
-/*THIS IS ALL DUMMY DATA*/
-/* {
- .modalias = "mcp2510", //DUMMY for MCP2510 chip
- .chip_select = 1,*/ /*THIS MUST BE AN INDEX INTO AN ARRAY OF pins */
- /*this is ONLY TO BE USED if chipselect above is not used, it passes a pin directly for the chip select */
- /* .controller_data =AT91_PIN_PA4 ,
- .max_speed_hz = 25000 * 26,
- .bus_num = 0,
- .platform_data = &can_info,
- .irq = AT91_PIN_PC0,
- },
- */
- //max SPI chip needs to go here
+/*
+ * MMC
+ */
+static struct at91_mmc_data __initdata yl9200_mmc_data = {
+ .det_pin = AT91_PIN_PB9,
+ // .wp_pin = ... not connected
+ .wire4 = 1,
};
-static struct mtd_partition __initdata yl_9200_nand_partition[] = {
+/*
+ * NAND Flash
+ */
+static struct mtd_partition __initdata yl9200_nand_partition[] = {
{
.name = "AT91 NAND partition 1, boot",
.offset = 0,
@@ -242,442 +171,434 @@ static struct mtd_partition __initdata yl_9200_nand_partition[] = {
.name = "AT91 NAND partition 5, ext-fs",
.offset = 32 * SZ_1M,
.size = 32 * SZ_1M
- },
+ }
};
static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
{
- *num_partitions = ARRAY_SIZE(yl_9200_nand_partition);
- return yl_9200_nand_partition;
+ *num_partitions = ARRAY_SIZE(yl9200_nand_partition);
+ return yl9200_nand_partition;
}
-static struct at91_nand_data __initdata yl_9200_nand_data = {
- .ale= 6,
- .cle= 7,
- /*.det_pin = AT91_PIN_PCxx,*/ /*we don't have a det pin because NandFlash is fixed to board*/
- .rdy_pin = AT91_PIN_PC14, /*R/!B Sheet10*/
- .enable_pin = AT91_PIN_PC15, /*!CE Sheet10 */
+static struct at91_nand_data __initdata yl9200_nand_data = {
+ .ale = 6,
+ .cle = 7,
+ // .det_pin = ... not connected
+ .rdy_pin = AT91_PIN_PC14, /* R/!B (Sheet10) */
+ .enable_pin = AT91_PIN_PC15, /* !CE (Sheet10) */
.partition_info = nand_partitions,
};
-
-
/*
-TODO S.Birtles
-potentially a problem with the size above
-physmap platform flash device: 00800000 at 10000000
-physmap-flash.0: Found 1 x16 devices at 0x0 in 16-bit bank
-NOR chip too large to fit in mapping. Attempting to cope...
- Intel/Sharp Extended Query Table at 0x0031
-Using buffer write method
-cfi_cmdset_0001: Erase suspend on write enabled
-Reducing visibility of 16384KiB chip to 8192KiB
-*/
+ * NOR Flash
+ */
+#define YL9200_FLASH_BASE AT91_CHIPSELECT_0
+#define YL9200_FLASH_SIZE 0x1000000
-static struct mtd_partition yl_9200_flash_partitions[] = {
+static struct mtd_partition yl9200_flash_partitions[] = {
+ {
+ .name = "Bootloader",
+ .size = 0x00040000,
+ .offset = 0,
+ .mask_flags = MTD_WRITEABLE, /* force read-only */
+ },
{
- .name = "Bootloader",
- .size = 0x00040000,
- .offset = 0,
- .mask_flags = MTD_WRITEABLE /* force read-only */
- },{
- .name = "Kernel",
- .size = 0x001C0000,
- .offset = 0x00040000,
- },{
- .name = "Filesystem",
- .size = MTDPART_SIZ_FULL,
- .offset = 0x00200000
+ .name = "Kernel",
+ .size = 0x001C0000,
+ .offset = 0x00040000,
+ },
+ {
+ .name = "Filesystem",
+ .size = MTDPART_SIZ_FULL,
+ .offset = 0x00200000
}
-
};
-static struct physmap_flash_data yl_9200_flash_data = {
- .width = 2,
- .parts = yl_9200_flash_partitions,
- .nr_parts = ARRAY_SIZE(yl_9200_flash_partitions),
+static struct physmap_flash_data yl9200_flash_data = {
+ .width = 2,
+ .parts = yl9200_flash_partitions,
+ .nr_parts = ARRAY_SIZE(yl9200_flash_partitions),
};
-static struct resource yl_9200_flash_resources[] = {
-{
- .start = YL_9200_FLASH_BASE,
- .end = YL_9200_FLASH_BASE + YL_9200_FLASH_SIZE - 1,
- .flags = IORESOURCE_MEM,
+static struct resource yl9200_flash_resources[] = {
+ {
+ .start = YL9200_FLASH_BASE,
+ .end = YL9200_FLASH_BASE + YL9200_FLASH_SIZE - 1,
+ .flags = IORESOURCE_MEM,
}
};
-static struct platform_device yl_9200_flash = {
+static struct platform_device yl9200_flash = {
.name = "physmap-flash",
.id = 0,
.dev = {
- .platform_data = &yl_9200_flash_data,
+ .platform_data = &yl9200_flash_data,
},
- .resource = yl_9200_flash_resources,
- .num_resources = ARRAY_SIZE(yl_9200_flash_resources),
+ .resource = yl9200_flash_resources,
+ .num_resources = ARRAY_SIZE(yl9200_flash_resources),
};
-
-static struct gpio_led yl_9200_leds[] = {
-/*D2 &D3 are passed directly in via at91_init_leds*/
- {
- .name = "led4", /*D4*/
- .gpio = AT91_PIN_PB15,
- .active_low = 1,
- .default_trigger = "heartbeat",
- /*.default_trigger = "timer",*/
- },
- {
- .name = "led5", /*D5*/
- .gpio = AT91_PIN_PB8,
- .active_low = 1,
- .default_trigger = "heartbeat",
- }
-};
-
-//static struct gpio_sounder yl_9200_sounder[] = {*/
-/*This is a simple speaker attached to a gpo line*/
-
-// {
-// .name = "Speaker", /*LS1*/
-// .gpio = AT91_PIN_PA22,
-// .active_low = 0,
-// .default_trigger = "heartbeat",
- /*.default_trigger = "timer",*/
-// },
-//};
-
-
-
-static struct i2c_board_info __initdata yl_9200_i2c_devices[] = {
- {
- /*TODO*/
- I2C_BOARD_INFO("CS4334", 0x00),
+/*
+ * I2C (TWI)
+ */
+static struct i2c_board_info __initdata yl9200_i2c_devices[] = {
+ { /* EEPROM */
+ I2C_BOARD_INFO("24c128", 0x50),
}
};
-
- /*
+/*
* GPIO Buttons
- */
+*/
#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
-static struct gpio_keys_button yl_9200_buttons[] = {
+static struct gpio_keys_button yl9200_buttons[] = {
{
.gpio = AT91_PIN_PA24,
- .code = BTN_2,
+ .code = BTN_2,
.desc = "SW2",
.active_low = 1,
.wakeup = 1,
},
{
.gpio = AT91_PIN_PB1,
- .code = BTN_3,
+ .code = BTN_3,
.desc = "SW3",
.active_low = 1,
.wakeup = 1,
},
{
.gpio = AT91_PIN_PB2,
- .code = BTN_4,
+ .code = BTN_4,
.desc = "SW4",
.active_low = 1,
.wakeup = 1,
},
{
.gpio = AT91_PIN_PB6,
- .code = BTN_5,
+ .code = BTN_5,
.desc = "SW5",
.active_low = 1,
.wakeup = 1,
- },
-
+ }
};
-static struct gpio_keys_platform_data yl_9200_button_data = {
- .buttons = yl_9200_buttons,
- .nbuttons = ARRAY_SIZE(yl_9200_buttons),
+static struct gpio_keys_platform_data yl9200_button_data = {
+ .buttons = yl9200_buttons,
+ .nbuttons = ARRAY_SIZE(yl9200_buttons),
};
-static struct platform_device yl_9200_button_device = {
+static struct platform_device yl9200_button_device = {
.name = "gpio-keys",
.id = -1,
.num_resources = 0,
.dev = {
- .platform_data = &yl_9200_button_data,
+ .platform_data = &yl9200_button_data,
}
};
-static void __init yl_9200_add_device_buttons(void)
+static void __init yl9200_add_device_buttons(void)
{
- //SW2
- at91_set_gpio_input(AT91_PIN_PA24, 0);
+ at91_set_gpio_input(AT91_PIN_PA24, 1); /* SW2 */
at91_set_deglitch(AT91_PIN_PA24, 1);
-
- //SW3
- at91_set_gpio_input(AT91_PIN_PB1, 0);
+ at91_set_gpio_input(AT91_PIN_PB1, 1); /* SW3 */
at91_set_deglitch(AT91_PIN_PB1, 1);
- //SW4
- at91_set_gpio_input(AT91_PIN_PB2, 0);
+ at91_set_gpio_input(AT91_PIN_PB2, 1); /* SW4 */
at91_set_deglitch(AT91_PIN_PB2, 1);
-
- //SW5
- at91_set_gpio_input(AT91_PIN_PB6, 0);
+ at91_set_gpio_input(AT91_PIN_PB6, 1); /* SW5 */
at91_set_deglitch(AT91_PIN_PB6, 1);
+ /* Enable buttons (Sheet 5) */
+ at91_set_gpio_output(AT91_PIN_PB7, 1);
+
+ platform_device_register(&yl9200_button_device);
+}
+#else
+static void __init yl9200_add_device_buttons(void) {}
+#endif
+
+/*
+ * Touchscreen
+ */
+#if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
+static int ads7843_pendown_state(void)
+{
+ return !at91_get_gpio_value(AT91_PIN_PB11); /* Touchscreen PENIRQ */
+}
+
+static struct ads7846_platform_data ads_info = {
+ .model = 7843,
+ .x_min = 150,
+ .x_max = 3830,
+ .y_min = 190,
+ .y_max = 3830,
+ .vref_delay_usecs = 100,
+
+ /* For a 8" touch-screen */
+ // .x_plate_ohms = 603,
+ // .y_plate_ohms = 332,
+
+ /* For a 10.4" touch-screen */
+ // .x_plate_ohms = 611,
+ // .y_plate_ohms = 325,
+
+ .x_plate_ohms = 576,
+ .y_plate_ohms = 366,
+
+ .pressure_max = 15000, /* generally nonsense on the 7843 */
+ .debounce_max = 1,
+ .debounce_rep = 0,
+ .debounce_tol = (~0),
+ .get_pendown_state = ads7843_pendown_state,
+};
- at91_set_gpio_output(AT91_PIN_PB7, 1); /* #TURN BUTTONS ON, SHEET 5 of schematics */
- platform_device_register(&yl_9200_button_device);
+static void __init yl9200_add_device_ts(void)
+{
+ at91_set_gpio_input(AT91_PIN_PB11, 1); /* Touchscreen interrupt pin */
+ at91_set_gpio_input(AT91_PIN_PB10, 1); /* Touchscreen BUSY signal - not used! */
}
#else
-static void __init yl_9200_add_device_buttons(void) {}
+static void __init yl9200_add_device_ts(void) {}
+#endif
+
+/*
+ * SPI devices
+ */
+static struct spi_board_info yl9200_spi_devices[] = {
+#if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
+ { /* Touchscreen */
+ .modalias = "ads7846",
+ .chip_select = 0,
+ .max_speed_hz = 5000 * 26,
+ .platform_data = &ads_info,
+ .irq = AT91_PIN_PB11,
+ },
#endif
+ { /* CAN */
+ .modalias = "mcp2510",
+ .chip_select = 1,
+ .max_speed_hz = 25000 * 26,
+ .irq = AT91_PIN_PC0,
+ }
+};
+/*
+ * LCD / VGA
+ *
+ * EPSON S1D13806 FB (discontinued chip)
+ * EPSON S1D13506 FB
+ */
#if defined(CONFIG_FB_S1D135XX) || defined(CONFIG_FB_S1D13XXX_MODULE)
#include <video/s1d13xxxfb.h>
-/* EPSON S1D13806 FB (discontinued chip)*/
-/* EPSON S1D13506 FB */
-
#define AT91_FB_REG_BASE 0x80000000L
#define AT91_FB_REG_SIZE 0x200
#define AT91_FB_VMEM_BASE 0x80200000L
#define AT91_FB_VMEM_SIZE 0x200000L
-/*#define S1D_DISPLAY_WIDTH 640*/
-/*#define S1D_DISPLAY_HEIGHT 480*/
-
-
-static void __init yl_9200_init_video(void)
+static void __init yl9200_init_video(void)
{
- at91_sys_write(AT91_PIOC + PIO_ASR,AT91_PIN_PC6);
- at91_sys_write(AT91_PIOC + PIO_BSR,0);
- at91_sys_write(AT91_PIOC + PIO_ASR,AT91_PIN_PC6);
-
- at91_sys_write( AT91_SMC_CSR(2),
- AT91_SMC_NWS_(0x4) |
- AT91_SMC_WSEN |
- AT91_SMC_TDF_(0x100) |
- AT91_SMC_DBW
- );
-
-
+ /* NWAIT Signal */
+ at91_set_A_periph(AT91_PIN_PC6, 0);
+ /* Initialization of the Static Memory Controller for Chip Select 2 */
+ at91_sys_write(AT91_SMC_CSR(2), AT91_SMC_DBW_16 /* 16 bit */
+ | AT91_SMC_WSEN | AT91_SMC_NWS_(0x4) /* wait states */
+ | AT91_SMC_TDF_(0x100) /* float time */
+ );
}
-
-static struct s1d13xxxfb_regval yl_9200_s1dfb_initregs[] =
+static struct s1d13xxxfb_regval yl9200_s1dfb_initregs[] =
{
- {S1DREG_MISC, 0x00}, /* Miscellaneous Register*/
- {S1DREG_COM_DISP_MODE, 0x01}, /* Display Mode Register, LCD only*/
- {S1DREG_GPIO_CNF0, 0x00}, /* General IO Pins Configuration Register*/
- {S1DREG_GPIO_CTL0, 0x00}, /* General IO Pins Control Register*/
- {S1DREG_CLK_CNF, 0x11}, /* Memory Clock Configuration Register*/
- {S1DREG_LCD_CLK_CNF, 0x10}, /* LCD Pixel Clock Configuration Register*/
- {S1DREG_CRT_CLK_CNF, 0x12}, /* CRT/TV Pixel Clock Configuration Register*/
- {S1DREG_MPLUG_CLK_CNF, 0x01}, /* MediaPlug Clock Configuration Register*/
- {S1DREG_CPU2MEM_WST_SEL, 0x02}, /* CPU To Memory Wait State Select Register*/
- {S1DREG_MEM_CNF, 0x00}, /* Memory Configuration Register*/
- {S1DREG_SDRAM_REF_RATE, 0x04}, /* DRAM Refresh Rate Register, MCLK source*/
- {S1DREG_SDRAM_TC0, 0x12}, /* DRAM Timings Control Register 0*/
- {S1DREG_SDRAM_TC1, 0x02}, /* DRAM Timings Control Register 1*/
- {S1DREG_PANEL_TYPE, 0x25}, /* Panel Type Register*/
- {S1DREG_MOD_RATE, 0x00}, /* MOD Rate Register*/
- {S1DREG_LCD_DISP_HWIDTH, 0x4F}, /* LCD Horizontal Display Width Register*/
- {S1DREG_LCD_NDISP_HPER, 0x13}, /* LCD Horizontal Non-Display Period Register*/
- {S1DREG_TFT_FPLINE_START, 0x01}, /* TFT FPLINE Start Position Register*/
- {S1DREG_TFT_FPLINE_PWIDTH, 0x0c}, /* TFT FPLINE Pulse Width Register*/
- {S1DREG_LCD_DISP_VHEIGHT0, 0xDF}, /* LCD Vertical Display Height Register 0*/
- {S1DREG_LCD_DISP_VHEIGHT1, 0x01}, /* LCD Vertical Display Height Register 1*/
- {S1DREG_LCD_NDISP_VPER, 0x2c}, /* LCD Vertical Non-Display Period Register*/
- {S1DREG_TFT_FPFRAME_START, 0x0a}, /* TFT FPFRAME Start Position Register*/
- {S1DREG_TFT_FPFRAME_PWIDTH, 0x02}, /* TFT FPFRAME Pulse Width Register*/
- {S1DREG_LCD_DISP_MODE, 0x05}, /* LCD Display Mode Register*/
- {S1DREG_LCD_MISC, 0x01}, /* LCD Miscellaneous Register*/
- {S1DREG_LCD_DISP_START0, 0x00}, /* LCD Display Start Address Register 0*/
- {S1DREG_LCD_DISP_START1, 0x00}, /* LCD Display Start Address Register 1*/
- {S1DREG_LCD_DISP_START2, 0x00}, /* LCD Display Start Address Register 2*/
- {S1DREG_LCD_MEM_OFF0, 0x80}, /* LCD Memory Address Offset Register 0*/
- {S1DREG_LCD_MEM_OFF1, 0x02}, /* LCD Memory Address Offset Register 1*/
- {S1DREG_LCD_PIX_PAN, 0x03}, /* LCD Pixel Panning Register*/
- {S1DREG_LCD_DISP_FIFO_HTC, 0x00}, /* LCD Display FIFO High Threshold Control Register*/
- {S1DREG_LCD_DISP_FIFO_LTC, 0x00}, /* LCD Display FIFO Low Threshold Control Register*/
- {S1DREG_CRT_DISP_HWIDTH, 0x4F}, /* CRT/TV Horizontal Display Width Register*/
- {S1DREG_CRT_NDISP_HPER, 0x13}, /* CRT/TV Horizontal Non-Display Period Register*/
- {S1DREG_CRT_HRTC_START, 0x01}, /* CRT/TV HRTC Start Position Register*/
- {S1DREG_CRT_HRTC_PWIDTH, 0x0B}, /* CRT/TV HRTC Pulse Width Register*/
- {S1DREG_CRT_DISP_VHEIGHT0, 0xDF}, /* CRT/TV Vertical Display Height Register 0*/
- {S1DREG_CRT_DISP_VHEIGHT1, 0x01}, /* CRT/TV Vertical Display Height Register 1*/
- {S1DREG_CRT_NDISP_VPER, 0x2B}, /* CRT/TV Vertical Non-Display Period Register*/
- {S1DREG_CRT_VRTC_START, 0x09}, /* CRT/TV VRTC Start Position Register*/
- {S1DREG_CRT_VRTC_PWIDTH, 0x01}, /* CRT/TV VRTC Pulse Width Register*/
- {S1DREG_TV_OUT_CTL, 0x18}, /* TV Output Control Register */
- {S1DREG_CRT_DISP_MODE, 0x05}, /* CRT/TV Display Mode Register, 16BPP*/
- {S1DREG_CRT_DISP_START0, 0x00}, /* CRT/TV Display Start Address Register 0*/
- {S1DREG_CRT_DISP_START1, 0x00}, /* CRT/TV Display Start Address Register 1*/
- {S1DREG_CRT_DISP_START2, 0x00}, /* CRT/TV Display Start Address Register 2*/
- {S1DREG_CRT_MEM_OFF0, 0x80}, /* CRT/TV Memory Address Offset Register 0*/
- {S1DREG_CRT_MEM_OFF1, 0x02}, /* CRT/TV Memory Address Offset Register 1*/
- {S1DREG_CRT_PIX_PAN, 0x00}, /* CRT/TV Pixel Panning Register*/
- {S1DREG_CRT_DISP_FIFO_HTC, 0x00}, /* CRT/TV Display FIFO High Threshold Control Register*/
- {S1DREG_CRT_DISP_FIFO_LTC, 0x00}, /* CRT/TV Display FIFO Low Threshold Control Register*/
- {S1DREG_LCD_CUR_CTL, 0x00}, /* LCD Ink/Cursor Control Register*/
- {S1DREG_LCD_CUR_START, 0x01}, /* LCD Ink/Cursor Start Address Register*/
- {S1DREG_LCD_CUR_XPOS0, 0x00}, /* LCD Cursor X Position Register 0*/
- {S1DREG_LCD_CUR_XPOS1, 0x00}, /* LCD Cursor X Position Register 1*/
- {S1DREG_LCD_CUR_YPOS0, 0x00}, /* LCD Cursor Y Position Register 0*/
- {S1DREG_LCD_CUR_YPOS1, 0x00}, /* LCD Cursor Y Position Register 1*/
- {S1DREG_LCD_CUR_BCTL0, 0x00}, /* LCD Ink/Cursor Blue Color 0 Register*/
- {S1DREG_LCD_CUR_GCTL0, 0x00}, /* LCD Ink/Cursor Green Color 0 Register*/
- {S1DREG_LCD_CUR_RCTL0, 0x00}, /* LCD Ink/Cursor Red Color 0 Register*/
- {S1DREG_LCD_CUR_BCTL1, 0x1F}, /* LCD Ink/Cursor Blue Color 1 Register*/
- {S1DREG_LCD_CUR_GCTL1, 0x3F}, /* LCD Ink/Cursor Green Color 1 Register*/
- {S1DREG_LCD_CUR_RCTL1, 0x1F}, /* LCD Ink/Cursor Red Color 1 Register*/
- {S1DREG_LCD_CUR_FIFO_HTC, 0x00}, /* LCD Ink/Cursor FIFO Threshold Register*/
- {S1DREG_CRT_CUR_CTL, 0x00}, /* CRT/TV Ink/Cursor Control Register*/
- {S1DREG_CRT_CUR_START, 0x01}, /* CRT/TV Ink/Cursor Start Address Register*/
- {S1DREG_CRT_CUR_XPOS0, 0x00}, /* CRT/TV Cursor X Position Register 0*/
- {S1DREG_CRT_CUR_XPOS1, 0x00}, /* CRT/TV Cursor X Position Register 1*/
- {S1DREG_CRT_CUR_YPOS0, 0x00}, /* CRT/TV Cursor Y Position Register 0*/
- {S1DREG_CRT_CUR_YPOS1, 0x00}, /* CRT/TV Cursor Y Position Register 1*/
- {S1DREG_CRT_CUR_BCTL0, 0x00}, /* CRT/TV Ink/Cursor Blue Color 0 Register*/
- {S1DREG_CRT_CUR_GCTL0, 0x00}, /* CRT/TV Ink/Cursor Green Color 0 Register*/
- {S1DREG_CRT_CUR_RCTL0, 0x00}, /* CRT/TV Ink/Cursor Red Color 0 Register*/
- {S1DREG_CRT_CUR_BCTL1, 0x1F}, /* CRT/TV Ink/Cursor Blue Color 1 Register*/
- {S1DREG_CRT_CUR_GCTL1, 0x3F}, /* CRT/TV Ink/Cursor Green Color 1 Register*/
- {S1DREG_CRT_CUR_RCTL1, 0x1F}, /* CRT/TV Ink/Cursor Red Color 1 Register*/
- {S1DREG_CRT_CUR_FIFO_HTC, 0x00}, /* CRT/TV Ink/Cursor FIFO Threshold Register*/
- {S1DREG_BBLT_CTL0, 0x00}, /* BitBlt Control Register 0*/
- {S1DREG_BBLT_CTL1, 0x01}, /* BitBlt Control Register 1*/
- {S1DREG_BBLT_CC_EXP, 0x00}, /* BitBlt ROP Code/Color Expansion Register*/
- {S1DREG_BBLT_OP, 0x00}, /* BitBlt Operation Register*/
- {S1DREG_BBLT_SRC_START0, 0x00}, /* BitBlt Source Start Address Register 0*/
- {S1DREG_BBLT_SRC_START1, 0x00}, /* BitBlt Source Start Address Register 1*/
- {S1DREG_BBLT_SRC_START2, 0x00}, /* BitBlt Source Start Address Register 2*/
- {S1DREG_BBLT_DST_START0, 0x00}, /* BitBlt Destination Start Address Register 0*/
- {S1DREG_BBLT_DST_START1, 0x00}, /* BitBlt Destination Start Address Register 1*/
- {S1DREG_BBLT_DST_START2, 0x00}, /* BitBlt Destination Start Address Register 2*/
- {S1DREG_BBLT_MEM_OFF0, 0x00}, /* BitBlt Memory Address Offset Register 0*/
- {S1DREG_BBLT_MEM_OFF1, 0x00}, /* BitBlt Memory Address Offset Register 1*/
- {S1DREG_BBLT_WIDTH0, 0x00}, /* BitBlt Width Register 0*/
- {S1DREG_BBLT_WIDTH1, 0x00}, /* BitBlt Width Register 1*/
- {S1DREG_BBLT_HEIGHT0, 0x00}, /* BitBlt Height Register 0*/
- {S1DREG_BBLT_HEIGHT1, 0x00}, /* BitBlt Height Register 1*/
- {S1DREG_BBLT_BGC0, 0x00}, /* BitBlt Background Color Register 0*/
- {S1DREG_BBLT_BGC1, 0x00}, /* BitBlt Background Color Register 1*/
- {S1DREG_BBLT_FGC0, 0x00}, /* BitBlt Foreground Color Register 0*/
- {S1DREG_BBLT_FGC1, 0x00}, /* BitBlt Foreground Color Register 1*/
- {S1DREG_LKUP_MODE, 0x00}, /* Look-Up Table Mode Register*/
- {S1DREG_LKUP_ADDR, 0x00}, /* Look-Up Table Address Register*/
- {S1DREG_PS_CNF, 0x00}, /* Power Save Configuration Register*/
- {S1DREG_PS_STATUS, 0x00}, /* Power Save Status Register*/
- {S1DREG_CPU2MEM_WDOGT, 0x00}, /* CPU-to-Memory Access Watchdog Timer Register*/
- {S1DREG_COM_DISP_MODE, 0x01}, /* Display Mode Register, LCD only*/
+ {S1DREG_MISC, 0x00}, /* Miscellaneous Register*/
+ {S1DREG_COM_DISP_MODE, 0x01}, /* Display Mode Register, LCD only*/
+ {S1DREG_GPIO_CNF0, 0x00}, /* General IO Pins Configuration Register*/
+ {S1DREG_GPIO_CTL0, 0x00}, /* General IO Pins Control Register*/
+ {S1DREG_CLK_CNF, 0x11}, /* Memory Clock Configuration Register*/
+ {S1DREG_LCD_CLK_CNF, 0x10}, /* LCD Pixel Clock Configuration Register*/
+ {S1DREG_CRT_CLK_CNF, 0x12}, /* CRT/TV Pixel Clock Configuration Register*/
+ {S1DREG_MPLUG_CLK_CNF, 0x01}, /* MediaPlug Clock Configuration Register*/
+ {S1DREG_CPU2MEM_WST_SEL, 0x02}, /* CPU To Memory Wait State Select Register*/
+ {S1DREG_MEM_CNF, 0x00}, /* Memory Configuration Register*/
+ {S1DREG_SDRAM_REF_RATE, 0x04}, /* DRAM Refresh Rate Register, MCLK source*/
+ {S1DREG_SDRAM_TC0, 0x12}, /* DRAM Timings Control Register 0*/
+ {S1DREG_SDRAM_TC1, 0x02}, /* DRAM Timings Control Register 1*/
+ {S1DREG_PANEL_TYPE, 0x25}, /* Panel Type Register*/
+ {S1DREG_MOD_RATE, 0x00}, /* MOD Rate Register*/
+ {S1DREG_LCD_DISP_HWIDTH, 0x4F}, /* LCD Horizontal Display Width Register*/
+ {S1DREG_LCD_NDISP_HPER, 0x13}, /* LCD Horizontal Non-Display Period Register*/
+ {S1DREG_TFT_FPLINE_START, 0x01}, /* TFT FPLINE Start Position Register*/
+ {S1DREG_TFT_FPLINE_PWIDTH, 0x0c}, /* TFT FPLINE Pulse Width Register*/
+ {S1DREG_LCD_DISP_VHEIGHT0, 0xDF}, /* LCD Vertical Display Height Register 0*/
+ {S1DREG_LCD_DISP_VHEIGHT1, 0x01}, /* LCD Vertical Display Height Register 1*/
+ {S1DREG_LCD_NDISP_VPER, 0x2c}, /* LCD Vertical Non-Display Period Register*/
+ {S1DREG_TFT_FPFRAME_START, 0x0a}, /* TFT FPFRAME Start Position Register*/
+ {S1DREG_TFT_FPFRAME_PWIDTH, 0x02}, /* TFT FPFRAME Pulse Width Register*/
+ {S1DREG_LCD_DISP_MODE, 0x05}, /* LCD Display Mode Register*/
+ {S1DREG_LCD_MISC, 0x01}, /* LCD Miscellaneous Register*/
+ {S1DREG_LCD_DISP_START0, 0x00}, /* LCD Display Start Address Register 0*/
+ {S1DREG_LCD_DISP_START1, 0x00}, /* LCD Display Start Address Register 1*/
+ {S1DREG_LCD_DISP_START2, 0x00}, /* LCD Display Start Address Register 2*/
+ {S1DREG_LCD_MEM_OFF0, 0x80}, /* LCD Memory Address Offset Register 0*/
+ {S1DREG_LCD_MEM_OFF1, 0x02}, /* LCD Memory Address Offset Register 1*/
+ {S1DREG_LCD_PIX_PAN, 0x03}, /* LCD Pixel Panning Register*/
+ {S1DREG_LCD_DISP_FIFO_HTC, 0x00}, /* LCD Display FIFO High Threshold Control Register*/
+ {S1DREG_LCD_DISP_FIFO_LTC, 0x00}, /* LCD Display FIFO Low Threshold Control Register*/
+ {S1DREG_CRT_DISP_HWIDTH, 0x4F}, /* CRT/TV Horizontal Display Width Register*/
+ {S1DREG_CRT_NDISP_HPER, 0x13}, /* CRT/TV Horizontal Non-Display Period Register*/
+ {S1DREG_CRT_HRTC_START, 0x01}, /* CRT/TV HRTC Start Position Register*/
+ {S1DREG_CRT_HRTC_PWIDTH, 0x0B}, /* CRT/TV HRTC Pulse Width Register*/
+ {S1DREG_CRT_DISP_VHEIGHT0, 0xDF}, /* CRT/TV Vertical Display Height Register 0*/
+ {S1DREG_CRT_DISP_VHEIGHT1, 0x01}, /* CRT/TV Vertical Display Height Register 1*/
+ {S1DREG_CRT_NDISP_VPER, 0x2B}, /* CRT/TV Vertical Non-Display Period Register*/
+ {S1DREG_CRT_VRTC_START, 0x09}, /* CRT/TV VRTC Start Position Register*/
+ {S1DREG_CRT_VRTC_PWIDTH, 0x01}, /* CRT/TV VRTC Pulse Width Register*/
+ {S1DREG_TV_OUT_CTL, 0x18}, /* TV Output Control Register */
+ {S1DREG_CRT_DISP_MODE, 0x05}, /* CRT/TV Display Mode Register, 16BPP*/
+ {S1DREG_CRT_DISP_START0, 0x00}, /* CRT/TV Display Start Address Register 0*/
+ {S1DREG_CRT_DISP_START1, 0x00}, /* CRT/TV Display Start Address Register 1*/
+ {S1DREG_CRT_DISP_START2, 0x00}, /* CRT/TV Display Start Address Register 2*/
+ {S1DREG_CRT_MEM_OFF0, 0x80}, /* CRT/TV Memory Address Offset Register 0*/
+ {S1DREG_CRT_MEM_OFF1, 0x02}, /* CRT/TV Memory Address Offset Register 1*/
+ {S1DREG_CRT_PIX_PAN, 0x00}, /* CRT/TV Pixel Panning Register*/
+ {S1DREG_CRT_DISP_FIFO_HTC, 0x00}, /* CRT/TV Display FIFO High Threshold Control Register*/
+ {S1DREG_CRT_DISP_FIFO_LTC, 0x00}, /* CRT/TV Display FIFO Low Threshold Control Register*/
+ {S1DREG_LCD_CUR_CTL, 0x00}, /* LCD Ink/Cursor Control Register*/
+ {S1DREG_LCD_CUR_START, 0x01}, /* LCD Ink/Cursor Start Address Register*/
+ {S1DREG_LCD_CUR_XPOS0, 0x00}, /* LCD Cursor X Position Register 0*/
+ {S1DREG_LCD_CUR_XPOS1, 0x00}, /* LCD Cursor X Position Register 1*/
+ {S1DREG_LCD_CUR_YPOS0, 0x00}, /* LCD Cursor Y Position Register 0*/
+ {S1DREG_LCD_CUR_YPOS1, 0x00}, /* LCD Cursor Y Position Register 1*/
+ {S1DREG_LCD_CUR_BCTL0, 0x00}, /* LCD Ink/Cursor Blue Color 0 Register*/
+ {S1DREG_LCD_CUR_GCTL0, 0x00}, /* LCD Ink/Cursor Green Color 0 Register*/
+ {S1DREG_LCD_CUR_RCTL0, 0x00}, /* LCD Ink/Cursor Red Color 0 Register*/
+ {S1DREG_LCD_CUR_BCTL1, 0x1F}, /* LCD Ink/Cursor Blue Color 1 Register*/
+ {S1DREG_LCD_CUR_GCTL1, 0x3F}, /* LCD Ink/Cursor Green Color 1 Register*/
+ {S1DREG_LCD_CUR_RCTL1, 0x1F}, /* LCD Ink/Cursor Red Color 1 Register*/
+ {S1DREG_LCD_CUR_FIFO_HTC, 0x00}, /* LCD Ink/Cursor FIFO Threshold Register*/
+ {S1DREG_CRT_CUR_CTL, 0x00}, /* CRT/TV Ink/Cursor Control Register*/
+ {S1DREG_CRT_CUR_START, 0x01}, /* CRT/TV Ink/Cursor Start Address Register*/
+ {S1DREG_CRT_CUR_XPOS0, 0x00}, /* CRT/TV Cursor X Position Register 0*/
+ {S1DREG_CRT_CUR_XPOS1, 0x00}, /* CRT/TV Cursor X Position Register 1*/
+ {S1DREG_CRT_CUR_YPOS0, 0x00}, /* CRT/TV Cursor Y Position Register 0*/
+ {S1DREG_CRT_CUR_YPOS1, 0x00}, /* CRT/TV Cursor Y Position Register 1*/
+ {S1DREG_CRT_CUR_BCTL0, 0x00}, /* CRT/TV Ink/Cursor Blue Color 0 Register*/
+ {S1DREG_CRT_CUR_GCTL0, 0x00}, /* CRT/TV Ink/Cursor Green Color 0 Register*/
+ {S1DREG_CRT_CUR_RCTL0, 0x00}, /* CRT/TV Ink/Cursor Red Color 0 Register*/
+ {S1DREG_CRT_CUR_BCTL1, 0x1F}, /* CRT/TV Ink/Cursor Blue Color 1 Register*/
+ {S1DREG_CRT_CUR_GCTL1, 0x3F}, /* CRT/TV Ink/Cursor Green Color 1 Register*/
+ {S1DREG_CRT_CUR_RCTL1, 0x1F}, /* CRT/TV Ink/Cursor Red Color 1 Register*/
+ {S1DREG_CRT_CUR_FIFO_HTC, 0x00}, /* CRT/TV Ink/Cursor FIFO Threshold Register*/
+ {S1DREG_BBLT_CTL0, 0x00}, /* BitBlt Control Register 0*/
+ {S1DREG_BBLT_CTL1, 0x01}, /* BitBlt Control Register 1*/
+ {S1DREG_BBLT_CC_EXP, 0x00}, /* BitBlt ROP Code/Color Expansion Register*/
+ {S1DREG_BBLT_OP, 0x00}, /* BitBlt Operation Register*/
+ {S1DREG_BBLT_SRC_START0, 0x00}, /* BitBlt Source Start Address Register 0*/
+ {S1DREG_BBLT_SRC_START1, 0x00}, /* BitBlt Source Start Address Register 1*/
+ {S1DREG_BBLT_SRC_START2, 0x00}, /* BitBlt Source Start Address Register 2*/
+ {S1DREG_BBLT_DST_START0, 0x00}, /* BitBlt Destination Start Address Register 0*/
+ {S1DREG_BBLT_DST_START1, 0x00}, /* BitBlt Destination Start Address Register 1*/
+ {S1DREG_BBLT_DST_START2, 0x00}, /* BitBlt Destination Start Address Register 2*/
+ {S1DREG_BBLT_MEM_OFF0, 0x00}, /* BitBlt Memory Address Offset Register 0*/
+ {S1DREG_BBLT_MEM_OFF1, 0x00}, /* BitBlt Memory Address Offset Register 1*/
+ {S1DREG_BBLT_WIDTH0, 0x00}, /* BitBlt Width Register 0*/
+ {S1DREG_BBLT_WIDTH1, 0x00}, /* BitBlt Width Register 1*/
+ {S1DREG_BBLT_HEIGHT0, 0x00}, /* BitBlt Height Register 0*/
+ {S1DREG_BBLT_HEIGHT1, 0x00}, /* BitBlt Height Register 1*/
+ {S1DREG_BBLT_BGC0, 0x00}, /* BitBlt Background Color Register 0*/
+ {S1DREG_BBLT_BGC1, 0x00}, /* BitBlt Background Color Register 1*/
+ {S1DREG_BBLT_FGC0, 0x00}, /* BitBlt Foreground Color Register 0*/
+ {S1DREG_BBLT_FGC1, 0x00}, /* BitBlt Foreground Color Register 1*/
+ {S1DREG_LKUP_MODE, 0x00}, /* Look-Up Table Mode Register*/
+ {S1DREG_LKUP_ADDR, 0x00}, /* Look-Up Table Address Register*/
+ {S1DREG_PS_CNF, 0x00}, /* Power Save Configuration Register*/
+ {S1DREG_PS_STATUS, 0x00}, /* Power Save Status Register*/
+ {S1DREG_CPU2MEM_WDOGT, 0x00}, /* CPU-to-Memory Access Watchdog Timer Register*/
+ {S1DREG_COM_DISP_MODE, 0x01}, /* Display Mode Register, LCD only*/
};
-static u64 s1dfb_dmamask = 0xffffffffUL;
+static u64 s1dfb_dmamask = DMA_BIT_MASK(32);
-static struct s1d13xxxfb_pdata yl_9200_s1dfb_pdata = {
- .initregs = yl_9200_s1dfb_initregs,
- .initregssize = ARRAY_SIZE(yl_9200_s1dfb_initregs),
- .platform_init_video = yl_9200_init_video,
+static struct s1d13xxxfb_pdata yl9200_s1dfb_pdata = {
+ .initregs = yl9200_s1dfb_initregs,
+ .initregssize = ARRAY_SIZE(yl9200_s1dfb_initregs),
+ .platform_init_video = yl9200_init_video,
};
-static struct resource yl_9200_s1dfb_resource[] = {
+static struct resource yl9200_s1dfb_resource[] = {
[0] = { /* video mem */
- .name = "s1d13xxxfb memory",
- /* .name = "s1d13806 memory",*/
- .start = AT91_FB_VMEM_BASE,
- .end = AT91_FB_VMEM_BASE + AT91_FB_VMEM_SIZE -1,
- .flags = IORESOURCE_MEM,
+ .name = "s1d13xxxfb memory",
+ .start = AT91_FB_VMEM_BASE,
+ .end = AT91_FB_VMEM_BASE + AT91_FB_VMEM_SIZE -1,
+ .flags = IORESOURCE_MEM,
},
[1] = { /* video registers */
- .name = "s1d13xxxfb registers",
- /* .name = "s1d13806 registers",*/
- .start = AT91_FB_REG_BASE,
- .end = AT91_FB_REG_BASE + AT91_FB_REG_SIZE -1,
- .flags = IORESOURCE_MEM,
+ .name = "s1d13xxxfb registers",
+ .start = AT91_FB_REG_BASE,
+ .end = AT91_FB_REG_BASE + AT91_FB_REG_SIZE -1,
+ .flags = IORESOURCE_MEM,
},
};
-static struct platform_device yl_9200_s1dfb_device = {
- /*TODO S.Birtles , really we need the chip revision in here as well*/
- .name = "s1d13806fb",
- /* .name = "s1d13506fb",*/
- .id = -1,
- .dev = {
- /*TODO theres a waring here!!*/
- /*WARNING: vmlinux.o(.data+0x2dbc): Section mismatch: reference to .init.text: (between 'yl_9200_s1dfb_pdata' and 's1dfb_dmamask')*/
+static struct platform_device yl9200_s1dfb_device = {
+ .name = "s1d13806fb",
+ .id = -1,
+ .dev = {
.dma_mask = &s1dfb_dmamask,
- .coherent_dma_mask = 0xffffffff,
- .platform_data = &yl_9200_s1dfb_pdata,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ .platform_data = &yl9200_s1dfb_pdata,
},
- .resource = yl_9200_s1dfb_resource,
- .num_resources = ARRAY_SIZE(yl_9200_s1dfb_resource),
+ .resource = yl9200_s1dfb_resource,
+ .num_resources = ARRAY_SIZE(yl9200_s1dfb_resource),
};
-void __init yl_9200_add_device_video(void)
+void __init yl9200_add_device_video(void)
{
- platform_device_register(&yl_9200_s1dfb_device);
+ platform_device_register(&yl9200_s1dfb_device);
}
#else
- void __init yl_9200_add_device_video(void) {}
+void __init yl9200_add_device_video(void) {}
#endif
-/*this is not called first , yl_9200_map_io is called first*/
-static void __init yl_9200_board_init(void)
+
+static void __init yl9200_board_init(void)
{
/* Serial */
at91_add_device_serial();
/* Ethernet */
- at91_add_device_eth(&yl_9200_eth_data);
+ at91_add_device_eth(&yl9200_eth_data);
/* USB Host */
- at91_add_device_usbh(&yl_9200_usbh_data);
+ at91_add_device_usbh(&yl9200_usbh_data);
/* USB Device */
- at91_add_device_udc(&yl_9200_udc_data);
- /* pullup_pin it is actually active low, but this is not needed, driver sets it up */
- /*at91_set_multi_drive(yl_9200_udc_data.pullup_pin, 0);*/
-
- /* Compact Flash */
- /*at91_add_device_cf(&yl_9200_cf_data);*/
-
+ at91_add_device_udc(&yl9200_udc_data);
/* I2C */
- at91_add_device_i2c(yl_9200_i2c_devices, ARRAY_SIZE(yl_9200_i2c_devices));
- /* SPI */
- /*TODO YL9200 we have 2 spi interfaces touch screen & CAN*/
- /* AT91_PIN_PA5, AT91_PIN_PA6 , are used on the max 485 NOT SPI*/
-
- /*touch screen and CAN*/
- at91_add_device_spi(yl_9200_spi_devices, ARRAY_SIZE(yl_9200_spi_devices));
-
- /*Basically the TS uses PB11 & PB10 , PB11 is configured by the SPI system BP10 IS NOT USED!!*/
- /* we need this incase the board is running without a touch screen*/
- #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
- at91_init_device_ts(); /*init the touch screen device*/
- #endif
- /* DataFlash card */
- at91_add_device_mmc(0, &yl_9200_mmc_data);
+ at91_add_device_i2c(yl9200_i2c_devices, ARRAY_SIZE(yl9200_i2c_devices));
+ /* MMC */
+ at91_add_device_mmc(0, &yl9200_mmc_data);
/* NAND */
- at91_add_device_nand(&yl_9200_nand_data);
+ at91_add_device_nand(&yl9200_nand_data);
/* NOR Flash */
- platform_device_register(&yl_9200_flash);
- /* LEDs. Note!! this does not include the led's we passed for the processor status */
- at91_gpio_leds(yl_9200_leds, ARRAY_SIZE(yl_9200_leds));
- /* VGA */
- /*this is self registered by including the s1d13xxx chip in the kernel build*/
- yl_9200_add_device_video();
+ platform_device_register(&yl9200_flash);
+#if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE)
+ /* SPI */
+ at91_add_device_spi(yl9200_spi_devices, ARRAY_SIZE(yl9200_spi_devices));
+ /* Touchscreen */
+ yl9200_add_device_ts();
+#endif
+ /* LEDs. */
+ at91_gpio_leds(yl9200_leds, ARRAY_SIZE(yl9200_leds));
/* Push Buttons */
- yl_9200_add_device_buttons();
- /*TODO fixup the Sounder */
-// yl_9200_add_device_sounder(yl_9200_sounder,ARRAY_SIZE(yl_9200_sounder));
-
+ yl9200_add_device_buttons();
+ /* VGA */
+ yl9200_add_device_video();
}
MACHINE_START(YL9200, "uCdragon YL-9200")
- /* Maintainer: S.Birtles*/
- .phys_io = AT91_BASE_SYS,
+ /* Maintainer: S.Birtles */
+ .phys_io = AT91_BASE_SYS,
.io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
.boot_params = AT91_SDRAM_BASE + 0x100,
- .timer = &at91rm9200_timer,
- .map_io = yl_9200_map_io,
- .init_irq = yl_9200_init_irq,
- .init_machine = yl_9200_board_init,
+ .timer = &at91rm9200_timer,
+ .map_io = yl9200_map_io,
+ .init_irq = yl9200_init_irq,
+ .init_machine = yl9200_board_init,
MACHINE_END
diff --git a/arch/arm/mach-at91/clock.c b/arch/arm/mach-at91/clock.c
index a33dfe45072..464bdbbf74d 100644
--- a/arch/arm/mach-at91/clock.c
+++ b/arch/arm/mach-at91/clock.c
@@ -112,12 +112,34 @@ static void pmc_sys_mode(struct clk *clk, int is_on)
at91_sys_write(AT91_PMC_SCDR, clk->pmc_mask);
}
+static void pmc_uckr_mode(struct clk *clk, int is_on)
+{
+ unsigned int uckr = at91_sys_read(AT91_CKGR_UCKR);
+
+ if (is_on) {
+ is_on = AT91_PMC_LOCKU;
+ at91_sys_write(AT91_CKGR_UCKR, uckr | clk->pmc_mask);
+ } else
+ at91_sys_write(AT91_CKGR_UCKR, uckr & ~(clk->pmc_mask));
+
+ do {
+ cpu_relax();
+ } while ((at91_sys_read(AT91_PMC_SR) & AT91_PMC_LOCKU) != is_on);
+}
+
/* USB function clocks (PLLB must be 48 MHz) */
static struct clk udpck = {
.name = "udpck",
.parent = &pllb,
.mode = pmc_sys_mode,
};
+static struct clk utmi_clk = {
+ .name = "utmi_clk",
+ .parent = &main_clk,
+ .pmc_mask = AT91_PMC_UPLLEN, /* in CKGR_UCKR */
+ .mode = pmc_uckr_mode,
+ .type = CLK_TYPE_PLL,
+};
static struct clk uhpck = {
.name = "uhpck",
.parent = &pllb,
@@ -361,7 +383,7 @@ static void __init init_programmable_clock(struct clk *clk)
static int at91_clk_show(struct seq_file *s, void *unused)
{
- u32 scsr, pcsr, sr;
+ u32 scsr, pcsr, uckr = 0, sr;
struct clk *clk;
seq_printf(s, "SCSR = %8x\n", scsr = at91_sys_read(AT91_PMC_SCSR));
@@ -369,7 +391,10 @@ static int at91_clk_show(struct seq_file *s, void *unused)
seq_printf(s, "MOR = %8x\n", at91_sys_read(AT91_CKGR_MOR));
seq_printf(s, "MCFR = %8x\n", at91_sys_read(AT91_CKGR_MCFR));
seq_printf(s, "PLLA = %8x\n", at91_sys_read(AT91_CKGR_PLLAR));
- seq_printf(s, "PLLB = %8x\n", at91_sys_read(AT91_CKGR_PLLBR));
+ if (!cpu_is_at91sam9rl())
+ seq_printf(s, "PLLB = %8x\n", at91_sys_read(AT91_CKGR_PLLBR));
+ if (cpu_is_at91cap9() || cpu_is_at91sam9rl())
+ seq_printf(s, "UCKR = %8x\n", uckr = at91_sys_read(AT91_CKGR_UCKR));
seq_printf(s, "MCKR = %8x\n", at91_sys_read(AT91_PMC_MCKR));
seq_printf(s, "SR = %8x\n", sr = at91_sys_read(AT91_PMC_SR));
@@ -382,6 +407,8 @@ static int at91_clk_show(struct seq_file *s, void *unused)
state = (scsr & clk->pmc_mask) ? "on" : "off";
else if (clk->mode == pmc_periph_mode)
state = (pcsr & clk->pmc_mask) ? "on" : "off";
+ else if (clk->mode == pmc_uckr_mode)
+ state = (uckr & clk->pmc_mask) ? "on" : "off";
else if (clk->pmc_mask)
state = (sr & clk->pmc_mask) ? "on" : "off";
else if (clk == &clk32k || clk == &main_clk)
@@ -488,14 +515,19 @@ static unsigned __init at91_pll_calc(unsigned main_freq, unsigned out_freq)
/*
* PLL input between 1MHz and 32MHz per spec, but lower
* frequences seem necessary in some cases so allow 100K.
+ * Warning: some newer products need 2MHz min.
*/
input = main_freq / i;
+ if (cpu_is_at91sam9g20() && input < 2000000)
+ continue;
if (input < 100000)
continue;
if (input > 32000000)
continue;
mul1 = out_freq / input;
+ if (cpu_is_at91sam9g20() && mul > 63)
+ continue;
if (mul1 > 2048)
continue;
if (mul1 < 2)
@@ -555,7 +587,8 @@ int __init at91_clock_init(unsigned long main_clock)
/* report if PLLA is more than mildly overclocked */
plla.rate_hz = at91_pll_rate(&plla, main_clock, at91_sys_read(AT91_CKGR_PLLAR));
- if (plla.rate_hz > 209000000)
+ if ((!cpu_is_at91sam9g20() && plla.rate_hz > 209000000)
+ || (cpu_is_at91sam9g20() && plla.rate_hz > 800000000))
pr_info("Clocks: PLLA overclocked, %ld MHz\n", plla.rate_hz / 1000000);
/*
@@ -570,7 +603,7 @@ int __init at91_clock_init(unsigned long main_clock)
uhpck.pmc_mask = AT91RM9200_PMC_UHP;
udpck.pmc_mask = AT91RM9200_PMC_UDP;
at91_sys_write(AT91_PMC_SCER, AT91RM9200_PMC_MCKUDP);
- } else if (cpu_is_at91sam9260() || cpu_is_at91sam9261() || cpu_is_at91sam9263()) {
+ } else if (cpu_is_at91sam9260() || cpu_is_at91sam9261() || cpu_is_at91sam9263() || cpu_is_at91sam9g20()) {
uhpck.pmc_mask = AT91SAM926x_PMC_UHP;
udpck.pmc_mask = AT91SAM926x_PMC_UDP;
} else if (cpu_is_at91cap9()) {
@@ -582,6 +615,17 @@ int __init at91_clock_init(unsigned long main_clock)
uhpck.rate_hz = at91_usb_rate(&pllb, pllb.rate_hz, at91_pllb_usb_init);
/*
+ * USB HS clock init
+ */
+ if (cpu_is_at91cap9() || cpu_is_at91sam9rl()) {
+ /*
+ * multiplier is hard-wired to 40
+ * (obtain the USB High Speed 480 MHz when input is 12 MHz)
+ */
+ utmi_clk.rate_hz = 40 * utmi_clk.parent->rate_hz;
+ }
+
+ /*
* MCK and CPU derive from one of those primary clocks.
* For now, assume this parentage won't change.
*/
@@ -591,13 +635,21 @@ int __init at91_clock_init(unsigned long main_clock)
freq /= (1 << ((mckr & AT91_PMC_PRES) >> 2)); /* prescale */
if (cpu_is_at91rm9200())
mck.rate_hz = freq / (1 + ((mckr & AT91_PMC_MDIV) >> 8)); /* mdiv */
- else
- mck.rate_hz = freq / (1 << ((mckr & AT91_PMC_MDIV) >> 8)); /* mdiv */
+ else if (cpu_is_at91sam9g20()) {
+ mck.rate_hz = (mckr & AT91_PMC_MDIV) ?
+ freq / ((mckr & AT91_PMC_MDIV) >> 7) : freq; /* mdiv ; (x >> 7) = ((x >> 8) * 2) */
+ if (mckr & AT91_PMC_PDIV)
+ freq /= 2; /* processor clock division */
+ } else
+ mck.rate_hz = freq / (1 << ((mckr & AT91_PMC_MDIV) >> 8)); /* mdiv */
/* Register the PMC's standard clocks */
for (i = 0; i < ARRAY_SIZE(standard_pmc_clocks); i++)
list_add_tail(&standard_pmc_clocks[i]->node, &clocks);
+ if (cpu_is_at91cap9() || cpu_is_at91sam9rl())
+ list_add_tail(&utmi_clk.node, &clocks);
+
/* MCK and CPU clock are "always on" */
clk_enable(&mck);
diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c
index aa863c15770..8ab4feb1ec5 100644
--- a/arch/arm/mach-at91/pm.c
+++ b/arch/arm/mach-at91/pm.c
@@ -202,7 +202,7 @@ static int at91_pm_verify_clocks(void)
pr_debug("AT91: PM - Suspend-to-RAM with USB still active\n");
return 0;
}
- } else if (cpu_is_at91sam9260() || cpu_is_at91sam9261() || cpu_is_at91sam9263()) {
+ } else if (cpu_is_at91sam9260() || cpu_is_at91sam9261() || cpu_is_at91sam9263() || cpu_is_at91sam9g20()) {
if ((scsr & (AT91SAM926x_PMC_UHP | AT91SAM926x_PMC_UDP)) != 0) {
pr_debug("AT91: PM - Suspend-to-RAM with USB still active\n");
return 0;
diff --git a/arch/arm/mach-ep93xx/clock.c b/arch/arm/mach-ep93xx/clock.c
index 9d7515c36bf..f62c35500bb 100644
--- a/arch/arm/mach-ep93xx/clock.c
+++ b/arch/arm/mach-ep93xx/clock.c
@@ -74,6 +74,7 @@ struct clk *clk_get(struct device *dev, const char *id)
return ERR_PTR(-ENOENT);
}
+EXPORT_SYMBOL(clk_get);
int clk_enable(struct clk *clk)
{
@@ -86,6 +87,7 @@ int clk_enable(struct clk *clk)
return 0;
}
+EXPORT_SYMBOL(clk_enable);
void clk_disable(struct clk *clk)
{
@@ -96,15 +98,18 @@ void clk_disable(struct clk *clk)
__raw_writel(value & ~clk->enable_mask, clk->enable_reg);
}
}
+EXPORT_SYMBOL(clk_disable);
unsigned long clk_get_rate(struct clk *clk)
{
return clk->rate;
}
+EXPORT_SYMBOL(clk_get_rate);
void clk_put(struct clk *clk)
{
}
+EXPORT_SYMBOL(clk_put);
diff --git a/arch/arm/mach-footbridge/Makefile b/arch/arm/mach-footbridge/Makefile
index 0694ad6b647..32f8609e4f8 100644
--- a/arch/arm/mach-footbridge/Makefile
+++ b/arch/arm/mach-footbridge/Makefile
@@ -14,12 +14,10 @@ pci-$(CONFIG_ARCH_EBSA285_HOST) += ebsa285-pci.o
pci-$(CONFIG_ARCH_NETWINDER) += netwinder-pci.o
pci-$(CONFIG_ARCH_PERSONAL_SERVER) += personal-pci.o
-leds-$(CONFIG_ARCH_CO285) += ebsa285-leds.o
leds-$(CONFIG_ARCH_EBSA285) += ebsa285-leds.o
leds-$(CONFIG_ARCH_NETWINDER) += netwinder-leds.o
obj-$(CONFIG_ARCH_CATS) += cats-hw.o isa-timer.o
-obj-$(CONFIG_ARCH_CO285) += co285.o dc21285-timer.o
obj-$(CONFIG_ARCH_EBSA285) += ebsa285.o dc21285-timer.o
obj-$(CONFIG_ARCH_NETWINDER) += netwinder-hw.o isa-timer.o
obj-$(CONFIG_ARCH_PERSONAL_SERVER) += personal.o dc21285-timer.o
diff --git a/arch/arm/mach-footbridge/co285.c b/arch/arm/mach-footbridge/co285.c
deleted file mode 100644
index 4545576ad8d..00000000000
--- a/arch/arm/mach-footbridge/co285.c
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
- * linux/arch/arm/mach-footbridge/co285.c
- *
- * CO285 machine fixup
- */
-#include <linux/init.h>
-
-#include <asm/hardware/dec21285.h>
-#include <asm/mach-types.h>
-
-#include <asm/mach/arch.h>
-
-#include "common.h"
-
-static void __init
-fixup_coebsa285(struct machine_desc *desc, struct tag *tags,
- char **cmdline, struct meminfo *mi)
-{
- extern unsigned long boot_memory_end;
- extern char boot_command_line[];
-
- mi->nr_banks = 1;
- mi->bank[0].start = PHYS_OFFSET;
- mi->bank[0].size = boot_memory_end;
- mi->bank[0].node = 0;
-
- *cmdline = boot_command_line;
-}
-
-MACHINE_START(CO285, "co-EBSA285")
- /* Maintainer: Mark van Doesburg */
- .phys_io = DC21285_ARMCSR_BASE,
- .io_pg_offst = ((0x7cf00000) >> 18) & 0xfffc,
- .fixup = fixup_coebsa285,
- .map_io = footbridge_map_io,
- .init_irq = footbridge_init_irq,
- .timer = &footbridge_timer,
-MACHINE_END
-
diff --git a/arch/arm/mach-footbridge/common.c b/arch/arm/mach-footbridge/common.c
index ef29fc34ce6..b08ab507c05 100644
--- a/arch/arm/mach-footbridge/common.c
+++ b/arch/arm/mach-footbridge/common.c
@@ -177,25 +177,6 @@ static struct map_desc ebsa285_host_io_desc[] __initdata = {
#endif
};
-/*
- * The CO-ebsa285 mapping.
- */
-static struct map_desc co285_io_desc[] __initdata = {
-#ifdef CONFIG_ARCH_CO285
- {
- .virtual = PCIO_BASE,
- .pfn = __phys_to_pfn(DC21285_PCI_IO),
- .length = PCIO_SIZE,
- .type = MT_DEVICE,
- }, {
- .virtual = PCIMEM_BASE,
- .pfn = __phys_to_pfn(DC21285_PCI_MEM),
- .length = PCIMEM_SIZE,
- .type = MT_DEVICE,
- },
-#endif
-};
-
void __init footbridge_map_io(void)
{
/*
@@ -208,8 +189,6 @@ void __init footbridge_map_io(void)
* Now, work out what we've got to map in addition on this
* platform.
*/
- if (machine_is_co285())
- iotable_init(co285_io_desc, ARRAY_SIZE(co285_io_desc));
if (footbridge_cfn_mode())
iotable_init(ebsa285_host_io_desc, ARRAY_SIZE(ebsa285_host_io_desc));
}
diff --git a/arch/arm/mach-footbridge/ebsa285-leds.c b/arch/arm/mach-footbridge/ebsa285-leds.c
index a64e2222651..09c1fbc5187 100644
--- a/arch/arm/mach-footbridge/ebsa285-leds.c
+++ b/arch/arm/mach-footbridge/ebsa285-leds.c
@@ -128,7 +128,7 @@ static void ebsa285_leds_event(led_event_t evt)
static int __init leds_init(void)
{
- if (machine_is_ebsa285() || machine_is_co285())
+ if (machine_is_ebsa285())
leds_event = ebsa285_leds_event;
leds_event(led_start);
diff --git a/arch/arm/mach-footbridge/time.c b/arch/arm/mach-footbridge/time.c
index 5d02e95dede..d5cfcda385d 100644
--- a/arch/arm/mach-footbridge/time.c
+++ b/arch/arm/mach-footbridge/time.c
@@ -115,8 +115,7 @@ static int set_isa_cmos_time(void)
void __init isa_rtc_init(void)
{
- if (machine_is_co285() ||
- machine_is_personal_server())
+ if (machine_is_personal_server())
/*
* Add-in 21285s shouldn't access the RTC
*/
diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile
index 88d5e61a2e1..b047c7e795a 100644
--- a/arch/arm/mach-imx/Makefile
+++ b/arch/arm/mach-imx/Makefile
@@ -4,7 +4,7 @@
# Object file lists.
-obj-y += irq.o time.o dma.o generic.o
+obj-y += irq.o time.o dma.o generic.o clock.o
obj-$(CONFIG_CPU_FREQ_IMX) += cpufreq.o
diff --git a/arch/arm/mach-imx/clock.c b/arch/arm/mach-imx/clock.c
new file mode 100644
index 00000000000..6a90fe5578d
--- /dev/null
+++ b/arch/arm/mach-imx/clock.c
@@ -0,0 +1,205 @@
+/*
+ * Copyright (C) 2008 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <linux/kernel.h>
+#include <linux/device.h>
+#include <linux/list.h>
+#include <linux/math64.h>
+#include <linux/err.h>
+
+#include <asm/io.h>
+#include <asm/arch/imx-regs.h>
+
+/*
+ * Very simple approach: We can't disable clocks, so we do
+ * not need refcounting
+ */
+
+struct clk {
+ struct list_head node;
+ const char *name;
+ unsigned long (*get_rate)(void);
+};
+
+/*
+ * get the system pll clock in Hz
+ *
+ * mfi + mfn / (mfd +1)
+ * f = 2 * f_ref * --------------------
+ * pd + 1
+ */
+static unsigned long imx_decode_pll(unsigned int pll, u32 f_ref)
+{
+ unsigned long long ll;
+ unsigned long quot;
+
+ u32 mfi = (pll >> 10) & 0xf;
+ u32 mfn = pll & 0x3ff;
+ u32 mfd = (pll >> 16) & 0x3ff;
+ u32 pd = (pll >> 26) & 0xf;
+
+ mfi = mfi <= 5 ? 5 : mfi;
+
+ ll = 2 * (unsigned long long)f_ref *
+ ((mfi << 16) + (mfn << 16) / (mfd + 1));
+ quot = (pd + 1) * (1 << 16);
+ ll += quot / 2;
+ do_div(ll, quot);
+ return (unsigned long)ll;
+}
+
+static unsigned long imx_get_system_clk(void)
+{
+ u32 f_ref = (CSCR & CSCR_SYSTEM_SEL) ? 16000000 : (CLK32 * 512);
+
+ return imx_decode_pll(SPCTL0, f_ref);
+}
+
+static unsigned long imx_get_mcu_clk(void)
+{
+ return imx_decode_pll(MPCTL0, CLK32 * 512);
+}
+
+/*
+ * get peripheral clock 1 ( UART[12], Timer[12], PWM )
+ */
+static unsigned long imx_get_perclk1(void)
+{
+ return imx_get_system_clk() / (((PCDR) & 0xf)+1);
+}
+
+/*
+ * get peripheral clock 2 ( LCD, SD, SPI[12] )
+ */
+static unsigned long imx_get_perclk2(void)
+{
+ return imx_get_system_clk() / (((PCDR>>4) & 0xf)+1);
+}
+
+/*
+ * get peripheral clock 3 ( SSI )
+ */
+static unsigned long imx_get_perclk3(void)
+{
+ return imx_get_system_clk() / (((PCDR>>16) & 0x7f)+1);
+}
+
+/*
+ * get hclk ( SDRAM, CSI, Memory Stick, I2C, DMA )
+ */
+static unsigned long imx_get_hclk(void)
+{
+ return imx_get_system_clk() / (((CSCR>>10) & 0xf)+1);
+}
+
+static struct clk clk_system_clk = {
+ .name = "system_clk",
+ .get_rate = imx_get_system_clk,
+};
+
+static struct clk clk_hclk = {
+ .name = "hclk",
+ .get_rate = imx_get_hclk,
+};
+
+static struct clk clk_mcu_clk = {
+ .name = "mcu_clk",
+ .get_rate = imx_get_mcu_clk,
+};
+
+static struct clk clk_perclk1 = {
+ .name = "perclk1",
+ .get_rate = imx_get_perclk1,
+};
+
+static struct clk clk_uart_clk = {
+ .name = "uart_clk",
+ .get_rate = imx_get_perclk1,
+};
+
+static struct clk clk_perclk2 = {
+ .name = "perclk2",
+ .get_rate = imx_get_perclk2,
+};
+
+static struct clk clk_perclk3 = {
+ .name = "perclk3",
+ .get_rate = imx_get_perclk3,
+};
+
+static struct clk *clks[] = {
+ &clk_perclk1,
+ &clk_perclk2,
+ &clk_perclk3,
+ &clk_system_clk,
+ &clk_hclk,
+ &clk_mcu_clk,
+ &clk_uart_clk,
+};
+
+static LIST_HEAD(clocks);
+static DEFINE_MUTEX(clocks_mutex);
+
+struct clk *clk_get(struct device *dev, const char *id)
+{
+ struct clk *p, *clk = ERR_PTR(-ENOENT);
+
+ mutex_lock(&clocks_mutex);
+ list_for_each_entry(p, &clocks, node) {
+ if (!strcmp(p->name, id)) {
+ clk = p;
+ goto found;
+ }
+ }
+
+found:
+ mutex_unlock(&clocks_mutex);
+
+ return clk;
+}
+
+void clk_put(struct clk *clk)
+{
+}
+
+int clk_enable(struct clk *clk)
+{
+ return 0;
+}
+
+void clk_disable(struct clk *clk)
+{
+}
+
+unsigned long clk_get_rate(struct clk *clk)
+{
+ return clk->get_rate();
+}
+
+int imx_clocks_init(void)
+{
+ int i;
+
+ mutex_lock(&clocks_mutex);
+ for (i = 0; i < ARRAY_SIZE(clks); i++)
+ list_add(&clks[i]->node, &clocks);
+ mutex_unlock(&clocks_mutex);
+
+ return 0;
+}
+
diff --git a/arch/arm/mach-imx/cpufreq.c b/arch/arm/mach-imx/cpufreq.c
index e548ba74a4d..be0809b33e0 100644
--- a/arch/arm/mach-imx/cpufreq.c
+++ b/arch/arm/mach-imx/cpufreq.c
@@ -32,6 +32,8 @@
#include <linux/types.h>
#include <linux/init.h>
#include <linux/cpufreq.h>
+#include <linux/clk.h>
+#include <linux/err.h>
#include <asm/system.h>
#include <asm/hardware.h>
@@ -52,6 +54,8 @@
static u32 mpctl0_at_boot;
static u32 bclk_div_at_boot;
+static struct clk *system_clk, *mcu_clk;
+
static void imx_set_async_mode(void)
{
adjust_cr(CR_920T_CLOCK_MODE, CR_920T_ASYNC_MODE);
@@ -160,10 +164,10 @@ static unsigned int imx_get_speed(unsigned int cpu)
cr = get_cr();
if((cr & CR_920T_CLOCK_MODE) == CR_920T_FASTBUS_MODE) {
- freq = imx_get_system_clk();
+ freq = clk_get_rate(system_clk);
freq = (freq + bclk_div/2) / bclk_div;
} else {
- freq = imx_get_mcu_clk();
+ freq = clk_get_rate(mcu_clk);
if (cscr & CSCR_MPU_PRESC)
freq /= 2;
}
@@ -201,7 +205,7 @@ static int imx_set_target(struct cpufreq_policy *policy,
pr_debug(KERN_DEBUG "imx: requested frequency %ld Hz, mpctl0 at boot 0x%08x\n",
freq, mpctl0_at_boot);
- sysclk = imx_get_system_clk();
+ sysclk = clk_get_rate(system_clk);
if (freq > sysclk / bclk_div_at_boot + 1000000) {
freq = imx_compute_mpctl(&mpctl0, mpctl0_at_boot, CLK32 * 512, freq, relation);
@@ -290,6 +294,16 @@ static int __init imx_cpufreq_init(void)
bclk_div_at_boot = __mfld2val(CSCR_BCLK_DIV, CSCR) + 1;
mpctl0_at_boot = 0;
+ system_clk = clk_get(NULL, "system_clk");
+ if (IS_ERR(system_clk))
+ return PTR_ERR(system_clk);
+
+ mcu_clk = clk_get(NULL, "mcu_clk");
+ if (IS_ERR(mcu_clk)) {
+ clk_put(system_clk);
+ return PTR_ERR(mcu_clk);
+ }
+
if((CSCR & CSCR_MPEN) &&
((get_cr() & CR_920T_CLOCK_MODE) != CR_920T_FASTBUS_MODE))
mpctl0_at_boot = MPCTL0;
diff --git a/arch/arm/mach-imx/dma.c b/arch/arm/mach-imx/dma.c
index a59ff2987cb..ee1c6f06ff6 100644
--- a/arch/arm/mach-imx/dma.c
+++ b/arch/arm/mach-imx/dma.c
@@ -410,7 +410,6 @@ void imx_dma_free(imx_dmach_t dma_ch)
/**
* imx_dma_request_by_prio - find and request some of free channels best suiting requested priority
- * @dma_ch: i.MX DMA channel number
* @name: the driver/caller own non-%NULL identification
* @prio: one of the hardware distinguished priority level:
* %DMA_PRIO_HIGH, %DMA_PRIO_MEDIUM, %DMA_PRIO_LOW
@@ -420,11 +419,9 @@ void imx_dma_free(imx_dmach_t dma_ch)
* in the higher and then even lower priority groups.
*
* Return value: If there is no free channel to allocate, -%ENODEV is returned.
- * Zero value indicates successful channel allocation.
+ * On successful allocation channel is returned.
*/
-int
-imx_dma_request_by_prio(imx_dmach_t * pdma_ch, const char *name,
- imx_dma_prio prio)
+imx_dmach_t imx_dma_request_by_prio(const char *name, imx_dma_prio prio)
{
int i;
int best;
@@ -444,15 +441,13 @@ imx_dma_request_by_prio(imx_dmach_t * pdma_ch, const char *name,
for (i = best; i < IMX_DMA_CHANNELS; i++) {
if (!imx_dma_request(i, name)) {
- *pdma_ch = i;
- return 0;
+ return i;
}
}
for (i = best - 1; i >= 0; i--) {
if (!imx_dma_request(i, name)) {
- *pdma_ch = i;
- return 0;
+ return i;
}
}
diff --git a/arch/arm/mach-imx/generic.c b/arch/arm/mach-imx/generic.c
index 4cfc9d3af28..98ddd8a6d05 100644
--- a/arch/arm/mach-imx/generic.c
+++ b/arch/arm/mach-imx/generic.c
@@ -214,82 +214,6 @@ int imx_irq_to_gpio(unsigned irq)
EXPORT_SYMBOL(imx_irq_to_gpio);
-/*
- * get the system pll clock in Hz
- *
- * mfi + mfn / (mfd +1)
- * f = 2 * f_ref * --------------------
- * pd + 1
- */
-static unsigned int imx_decode_pll(unsigned int pll, u32 f_ref)
-{
- unsigned long long ll;
- unsigned long quot;
-
- u32 mfi = (pll >> 10) & 0xf;
- u32 mfn = pll & 0x3ff;
- u32 mfd = (pll >> 16) & 0x3ff;
- u32 pd = (pll >> 26) & 0xf;
-
- mfi = mfi <= 5 ? 5 : mfi;
-
- ll = 2 * (unsigned long long)f_ref * ( (mfi<<16) + (mfn<<16) / (mfd+1) );
- quot = (pd+1) * (1<<16);
- ll += quot / 2;
- do_div(ll, quot);
- return (unsigned int) ll;
-}
-
-unsigned int imx_get_system_clk(void)
-{
- u32 f_ref = (CSCR & CSCR_SYSTEM_SEL) ? 16000000 : (CLK32 * 512);
-
- return imx_decode_pll(SPCTL0, f_ref);
-}
-EXPORT_SYMBOL(imx_get_system_clk);
-
-unsigned int imx_get_mcu_clk(void)
-{
- return imx_decode_pll(MPCTL0, CLK32 * 512);
-}
-EXPORT_SYMBOL(imx_get_mcu_clk);
-
-/*
- * get peripheral clock 1 ( UART[12], Timer[12], PWM )
- */
-unsigned int imx_get_perclk1(void)
-{
- return imx_get_system_clk() / (((PCDR) & 0xf)+1);
-}
-EXPORT_SYMBOL(imx_get_perclk1);
-
-/*
- * get peripheral clock 2 ( LCD, SD, SPI[12] )
- */
-unsigned int imx_get_perclk2(void)
-{
- return imx_get_system_clk() / (((PCDR>>4) & 0xf)+1);
-}
-EXPORT_SYMBOL(imx_get_perclk2);
-
-/*
- * get peripheral clock 3 ( SSI )
- */
-unsigned int imx_get_perclk3(void)
-{
- return imx_get_system_clk() / (((PCDR>>16) & 0x7f)+1);
-}
-EXPORT_SYMBOL(imx_get_perclk3);
-
-/*
- * get hclk ( SDRAM, CSI, Memory Stick, I2C, DMA )
- */
-unsigned int imx_get_hclk(void)
-{
- return imx_get_system_clk() / (((CSCR>>10) & 0xf)+1);
-}
-EXPORT_SYMBOL(imx_get_hclk);
-
static struct resource imx_mmc_resources[] = {
[0] = {
.start = 0x00214000,
diff --git a/arch/arm/mach-imx/mx1ads.c b/arch/arm/mach-imx/mx1ads.c
index a9778c1587a..9635d5812bc 100644
--- a/arch/arm/mach-imx/mx1ads.c
+++ b/arch/arm/mach-imx/mx1ads.c
@@ -69,6 +69,11 @@ static struct resource imx_uart1_resources[] = {
.end = (UART1_MINT_TX),
.flags = IORESOURCE_IRQ,
},
+ [3] = {
+ .start = UART1_MINT_RTS,
+ .end = UART1_MINT_RTS,
+ .flags = IORESOURCE_IRQ,
+ },
};
static struct platform_device imx_uart1_device = {
@@ -97,6 +102,11 @@ static struct resource imx_uart2_resources[] = {
.end = (UART2_MINT_TX),
.flags = IORESOURCE_IRQ,
},
+ [3] = {
+ .start = UART2_MINT_RTS,
+ .end = UART2_MINT_RTS,
+ .flags = IORESOURCE_IRQ,
+ },
};
static struct platform_device imx_uart2_device = {
diff --git a/arch/arm/mach-imx/time.c b/arch/arm/mach-imx/time.c
index d86d124aea2..5a41e96e858 100644
--- a/arch/arm/mach-imx/time.c
+++ b/arch/arm/mach-imx/time.c
@@ -17,6 +17,7 @@
#include <linux/time.h>
#include <linux/clocksource.h>
#include <linux/clockchips.h>
+#include <linux/clk.h>
#include <asm/hardware.h>
#include <asm/io.h>
@@ -86,10 +87,10 @@ static struct clocksource clocksource_imx = {
.flags = CLOCK_SOURCE_IS_CONTINUOUS,
};
-static int __init imx_clocksource_init(void)
+static int __init imx_clocksource_init(unsigned long rate)
{
clocksource_imx.mult =
- clocksource_hz2mult(imx_get_perclk1(), clocksource_imx.shift);
+ clocksource_hz2mult(rate, clocksource_imx.shift);
clocksource_register(&clocksource_imx);
return 0;
@@ -174,9 +175,9 @@ static struct clock_event_device clockevent_imx = {
.rating = 200,
};
-static int __init imx_clockevent_init(void)
+static int __init imx_clockevent_init(unsigned long rate)
{
- clockevent_imx.mult = div_sc(imx_get_perclk1(), NSEC_PER_SEC,
+ clockevent_imx.mult = div_sc(rate, NSEC_PER_SEC,
clockevent_imx.shift);
clockevent_imx.max_delta_ns =
clockevent_delta2ns(0xfffffffe, &clockevent_imx);
@@ -190,13 +191,23 @@ static int __init imx_clockevent_init(void)
return 0;
}
+extern int imx_clocks_init(void);
static void __init imx_timer_init(void)
{
+ struct clk *clk;
+ unsigned long rate;
+
+ imx_clocks_init();
+
+ clk = clk_get(NULL, "perclk1");
+ clk_enable(clk);
+ rate = clk_get_rate(clk);
+
imx_timer_hardware_init();
- imx_clocksource_init();
+ imx_clocksource_init(rate);
- imx_clockevent_init();
+ imx_clockevent_init(rate);
/*
* Make irqs happen for the system timer
diff --git a/arch/arm/mach-integrator/Makefile b/arch/arm/mach-integrator/Makefile
index 158daaf9e3b..6a5ef8d30b1 100644
--- a/arch/arm/mach-integrator/Makefile
+++ b/arch/arm/mach-integrator/Makefile
@@ -4,7 +4,7 @@
# Object file lists.
-obj-y := clock.o core.o lm.o time.o
+obj-y := clock.o core.o lm.o
obj-$(CONFIG_ARCH_INTEGRATOR_AP) += integrator_ap.o
obj-$(CONFIG_ARCH_INTEGRATOR_CP) += integrator_cp.o
diff --git a/arch/arm/mach-integrator/time.c b/arch/arm/mach-integrator/time.c
deleted file mode 100644
index 8508a0db3ea..00000000000
--- a/arch/arm/mach-integrator/time.c
+++ /dev/null
@@ -1,223 +0,0 @@
-/*
- * linux/arch/arm/mach-integrator/time.c
- *
- * Copyright (C) 2000-2001 Deep Blue Solutions Ltd.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/time.h>
-#include <linux/mc146818rtc.h>
-#include <linux/interrupt.h>
-#include <linux/init.h>
-#include <linux/device.h>
-#include <linux/amba/bus.h>
-
-#include <asm/hardware.h>
-#include <asm/io.h>
-#include <asm/uaccess.h>
-#include <asm/rtc.h>
-
-#include <asm/mach/time.h>
-
-#define RTC_DR (0)
-#define RTC_MR (4)
-#define RTC_STAT (8)
-#define RTC_EOI (8)
-#define RTC_LR (12)
-#define RTC_CR (16)
-#define RTC_CR_MIE (1 << 0)
-
-extern int (*set_rtc)(void);
-static void __iomem *rtc_base;
-
-static int integrator_set_rtc(void)
-{
- __raw_writel(xtime.tv_sec, rtc_base + RTC_LR);
- return 1;
-}
-
-static int integrator_rtc_read_alarm(struct rtc_wkalrm *alrm)
-{
- rtc_time_to_tm(readl(rtc_base + RTC_MR), &alrm->time);
- return 0;
-}
-
-static inline int integrator_rtc_set_alarm(struct rtc_wkalrm *alrm)
-{
- unsigned long time;
- int ret;
-
- /*
- * At the moment, we can only deal with non-wildcarded alarm times.
- */
- ret = rtc_valid_tm(&alrm->time);
- if (ret == 0)
- ret = rtc_tm_to_time(&alrm->time, &time);
- if (ret == 0)
- writel(time, rtc_base + RTC_MR);
- return ret;
-}
-
-static int integrator_rtc_read_time(struct rtc_time *tm)
-{
- rtc_time_to_tm(readl(rtc_base + RTC_DR), tm);
- return 0;
-}
-
-/*
- * Set the RTC time. Unfortunately, we can't accurately set
- * the point at which the counter updates.
- *
- * Also, since RTC_LR is transferred to RTC_CR on next rising
- * edge of the 1Hz clock, we must write the time one second
- * in advance.
- */
-static inline int integrator_rtc_set_time(struct rtc_time *tm)
-{
- unsigned long time;
- int ret;
-
- ret = rtc_tm_to_time(tm, &time);
- if (ret == 0)
- writel(time + 1, rtc_base + RTC_LR);
-
- return ret;
-}
-
-static struct rtc_ops rtc_ops = {
- .owner = THIS_MODULE,
- .read_time = integrator_rtc_read_time,
- .set_time = integrator_rtc_set_time,
- .read_alarm = integrator_rtc_read_alarm,
- .set_alarm = integrator_rtc_set_alarm,
-};
-
-static irqreturn_t arm_rtc_interrupt(int irq, void *dev_id)
-{
- writel(0, rtc_base + RTC_EOI);
- return IRQ_HANDLED;
-}
-
-static int rtc_probe(struct amba_device *dev, void *id)
-{
- int ret;
-
- if (rtc_base)
- return -EBUSY;
-
- ret = amba_request_regions(dev, NULL);
- if (ret)
- goto out;
-
- rtc_base = ioremap(dev->res.start, SZ_4K);
- if (!rtc_base) {
- ret = -ENOMEM;
- goto res_out;
- }
-
- __raw_writel(0, rtc_base + RTC_CR);
- __raw_writel(0, rtc_base + RTC_EOI);
-
- xtime.tv_sec = __raw_readl(rtc_base + RTC_DR);
-
- /* note that 'dev' is merely used for irq disambiguation;
- * it is not actually referenced in the irq handler
- */
- ret = request_irq(dev->irq[0], arm_rtc_interrupt, IRQF_DISABLED,
- "rtc-pl030", dev);
- if (ret)
- goto map_out;
-
- ret = register_rtc(&rtc_ops);
- if (ret)
- goto irq_out;
-
- set_rtc = integrator_set_rtc;
- return 0;
-
- irq_out:
- free_irq(dev->irq[0], dev);
- map_out:
- iounmap(rtc_base);
- rtc_base = NULL;
- res_out:
- amba_release_regions(dev);
- out:
- return ret;
-}
-
-static int rtc_remove(struct amba_device *dev)
-{
- set_rtc = NULL;
-
- writel(0, rtc_base + RTC_CR);
-
- free_irq(dev->irq[0], dev);
- unregister_rtc(&rtc_ops);
-
- iounmap(rtc_base);
- rtc_base = NULL;
- amba_release_regions(dev);
-
- return 0;
-}
-
-static struct timespec rtc_delta;
-
-static int rtc_suspend(struct amba_device *dev, pm_message_t state)
-{
- struct timespec rtc;
-
- rtc.tv_sec = readl(rtc_base + RTC_DR);
- rtc.tv_nsec = 0;
- save_time_delta(&rtc_delta, &rtc);
-
- return 0;
-}
-
-static int rtc_resume(struct amba_device *dev)
-{
- struct timespec rtc;
-
- rtc.tv_sec = readl(rtc_base + RTC_DR);
- rtc.tv_nsec = 0;
- restore_time_delta(&rtc_delta, &rtc);
-
- return 0;
-}
-
-static struct amba_id rtc_ids[] = {
- {
- .id = 0x00041030,
- .mask = 0x000fffff,
- },
- { 0, 0 },
-};
-
-static struct amba_driver rtc_driver = {
- .drv = {
- .name = "rtc-pl030",
- },
- .probe = rtc_probe,
- .remove = rtc_remove,
- .suspend = rtc_suspend,
- .resume = rtc_resume,
- .id_table = rtc_ids,
-};
-
-static int __init integrator_rtc_init(void)
-{
- return amba_driver_register(&rtc_driver);
-}
-
-static void __exit integrator_rtc_exit(void)
-{
- amba_driver_unregister(&rtc_driver);
-}
-
-module_init(integrator_rtc_init);
-module_exit(integrator_rtc_exit);
diff --git a/arch/arm/mach-ixp4xx/Kconfig b/arch/arm/mach-ixp4xx/Kconfig
index e774447c059..db8b5fe06c0 100644
--- a/arch/arm/mach-ixp4xx/Kconfig
+++ b/arch/arm/mach-ixp4xx/Kconfig
@@ -125,6 +125,15 @@ config ARCH_IXDP4XX
depends on ARCH_IXDP425 || MACH_IXDP465 || MACH_KIXRP435
default y
+config MACH_FSG
+ bool
+ prompt "Freecom FSG-3"
+ select PCI
+ help
+ Say 'Y' here if you want your kernel to support Freecom's
+ FSG-3 device. For more information on this platform,
+ see http://www.nslu2-linux.org/wiki/FSG3/HomePage
+
#
# Certain registers and IRQs are only enabled if supporting IXP465 CPUs
#
diff --git a/arch/arm/mach-ixp4xx/Makefile b/arch/arm/mach-ixp4xx/Makefile
index c1956882c48..2e6bbf927a7 100644
--- a/arch/arm/mach-ixp4xx/Makefile
+++ b/arch/arm/mach-ixp4xx/Makefile
@@ -15,6 +15,7 @@ obj-pci-$(CONFIG_MACH_NAS100D) += nas100d-pci.o
obj-pci-$(CONFIG_MACH_DSMG600) += dsmg600-pci.o
obj-pci-$(CONFIG_MACH_GATEWAY7001) += gateway7001-pci.o
obj-pci-$(CONFIG_MACH_WG302V2) += wg302v2-pci.o
+obj-pci-$(CONFIG_MACH_FSG) += fsg-pci.o
obj-y += common.o
@@ -28,6 +29,7 @@ obj-$(CONFIG_MACH_NAS100D) += nas100d-setup.o
obj-$(CONFIG_MACH_DSMG600) += dsmg600-setup.o
obj-$(CONFIG_MACH_GATEWAY7001) += gateway7001-setup.o
obj-$(CONFIG_MACH_WG302V2) += wg302v2-setup.o
+obj-$(CONFIG_MACH_FSG) += fsg-setup.o
obj-$(CONFIG_PCI) += $(obj-pci-$(CONFIG_PCI)) common-pci.o
obj-$(CONFIG_IXP4XX_QMGR) += ixp4xx_qmgr.o
diff --git a/arch/arm/mach-ixp4xx/common.c b/arch/arm/mach-ixp4xx/common.c
index f6d66dce685..3781b3db9f4 100644
--- a/arch/arm/mach-ixp4xx/common.c
+++ b/arch/arm/mach-ixp4xx/common.c
@@ -326,11 +326,11 @@ static struct resource ixp4xx_udc_resources[] = {
};
/*
- * USB device controller. The IXP4xx uses the same controller as PXA2XX,
+ * USB device controller. The IXP4xx uses the same controller as PXA25X,
* so we just use the same device.
*/
static struct platform_device ixp4xx_udc_device = {
- .name = "pxa2xx-udc",
+ .name = "pxa25x-udc",
.id = -1,
.num_resources = 2,
.resource = ixp4xx_udc_resources,
diff --git a/arch/arm/mach-ixp4xx/fsg-pci.c b/arch/arm/mach-ixp4xx/fsg-pci.c
new file mode 100644
index 00000000000..f19f3f6feda
--- /dev/null
+++ b/arch/arm/mach-ixp4xx/fsg-pci.c
@@ -0,0 +1,71 @@
+/*
+ * arch/arch/mach-ixp4xx/fsg-pci.c
+ *
+ * FSG board-level PCI initialization
+ *
+ * Author: Rod Whitby <rod@whitby.id.au>
+ * Maintainer: http://www.nslu2-linux.org/
+ *
+ * based on ixdp425-pci.c:
+ * Copyright (C) 2002 Intel Corporation.
+ * Copyright (C) 2003-2004 MontaVista Software, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/pci.h>
+#include <linux/init.h>
+#include <linux/irq.h>
+
+#include <asm/mach/pci.h>
+#include <asm/mach-types.h>
+
+void __init fsg_pci_preinit(void)
+{
+ set_irq_type(IRQ_FSG_PCI_INTA, IRQT_LOW);
+ set_irq_type(IRQ_FSG_PCI_INTB, IRQT_LOW);
+ set_irq_type(IRQ_FSG_PCI_INTC, IRQT_LOW);
+
+ ixp4xx_pci_preinit();
+}
+
+static int __init fsg_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+ static int pci_irq_table[FSG_PCI_IRQ_LINES] = {
+ IRQ_FSG_PCI_INTC,
+ IRQ_FSG_PCI_INTB,
+ IRQ_FSG_PCI_INTA,
+ };
+
+ int irq = -1;
+ slot = slot - 11;
+
+ if (slot >= 1 && slot <= FSG_PCI_MAX_DEV &&
+ pin >= 1 && pin <= FSG_PCI_IRQ_LINES)
+ irq = pci_irq_table[(slot - 1)];
+ printk(KERN_INFO "%s: Mapped slot %d pin %d to IRQ %d\n",
+ __func__, slot, pin, irq);
+
+ return irq;
+}
+
+struct hw_pci fsg_pci __initdata = {
+ .nr_controllers = 1,
+ .preinit = fsg_pci_preinit,
+ .swizzle = pci_std_swizzle,
+ .setup = ixp4xx_setup,
+ .scan = ixp4xx_scan_bus,
+ .map_irq = fsg_map_irq,
+};
+
+int __init fsg_pci_init(void)
+{
+ if (machine_is_fsg())
+ pci_common_init(&fsg_pci);
+ return 0;
+}
+
+subsys_initcall(fsg_pci_init);
diff --git a/arch/arm/mach-ixp4xx/fsg-setup.c b/arch/arm/mach-ixp4xx/fsg-setup.c
new file mode 100644
index 00000000000..0db3a909ae6
--- /dev/null
+++ b/arch/arm/mach-ixp4xx/fsg-setup.c
@@ -0,0 +1,276 @@
+/*
+ * arch/arm/mach-ixp4xx/fsg-setup.c
+ *
+ * FSG board-setup
+ *
+ * Copyright (C) 2008 Rod Whitby <rod@whitby.id.au>
+ *
+ * based on ixdp425-setup.c:
+ * Copyright (C) 2003-2004 MontaVista Software, Inc.
+ * based on nslu2-power.c
+ * Copyright (C) 2005 Tower Technologies
+ *
+ * Author: Rod Whitby <rod@whitby.id.au>
+ * Maintainers: http://www.nslu2-linux.org/
+ *
+ */
+
+#include <linux/if_ether.h>
+#include <linux/irq.h>
+#include <linux/serial.h>
+#include <linux/serial_8250.h>
+#include <linux/leds.h>
+#include <linux/reboot.h>
+#include <linux/i2c.h>
+#include <linux/i2c-gpio.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/flash.h>
+#include <asm/io.h>
+#include <asm/gpio.h>
+
+static struct flash_platform_data fsg_flash_data = {
+ .map_name = "cfi_probe",
+ .width = 2,
+};
+
+static struct resource fsg_flash_resource = {
+ .flags = IORESOURCE_MEM,
+};
+
+static struct platform_device fsg_flash = {
+ .name = "IXP4XX-Flash",
+ .id = 0,
+ .dev = {
+ .platform_data = &fsg_flash_data,
+ },
+ .num_resources = 1,
+ .resource = &fsg_flash_resource,
+};
+
+static struct i2c_gpio_platform_data fsg_i2c_gpio_data = {
+ .sda_pin = FSG_SDA_PIN,
+ .scl_pin = FSG_SCL_PIN,
+};
+
+static struct platform_device fsg_i2c_gpio = {
+ .name = "i2c-gpio",
+ .id = 0,
+ .dev = {
+ .platform_data = &fsg_i2c_gpio_data,
+ },
+};
+
+static struct i2c_board_info __initdata fsg_i2c_board_info [] = {
+ {
+ I2C_BOARD_INFO("rtc-isl1208", 0x6f),
+ },
+};
+
+static struct resource fsg_uart_resources[] = {
+ {
+ .start = IXP4XX_UART1_BASE_PHYS,
+ .end = IXP4XX_UART1_BASE_PHYS + 0x0fff,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = IXP4XX_UART2_BASE_PHYS,
+ .end = IXP4XX_UART2_BASE_PHYS + 0x0fff,
+ .flags = IORESOURCE_MEM,
+ }
+};
+
+static struct plat_serial8250_port fsg_uart_data[] = {
+ {
+ .mapbase = IXP4XX_UART1_BASE_PHYS,
+ .membase = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,
+ .irq = IRQ_IXP4XX_UART1,
+ .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
+ .iotype = UPIO_MEM,
+ .regshift = 2,
+ .uartclk = IXP4XX_UART_XTAL,
+ },
+ {
+ .mapbase = IXP4XX_UART2_BASE_PHYS,
+ .membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
+ .irq = IRQ_IXP4XX_UART2,
+ .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
+ .iotype = UPIO_MEM,
+ .regshift = 2,
+ .uartclk = IXP4XX_UART_XTAL,
+ },
+ { }
+};
+
+static struct platform_device fsg_uart = {
+ .name = "serial8250",
+ .id = PLAT8250_DEV_PLATFORM,
+ .dev = {
+ .platform_data = fsg_uart_data,
+ },
+ .num_resources = ARRAY_SIZE(fsg_uart_resources),
+ .resource = fsg_uart_resources,
+};
+
+static struct platform_device fsg_leds = {
+ .name = "fsg-led",
+ .id = -1,
+};
+
+/* Built-in 10/100 Ethernet MAC interfaces */
+static struct eth_plat_info fsg_plat_eth[] = {
+ {
+ .phy = 5,
+ .rxq = 3,
+ .txreadyq = 20,
+ }, {
+ .phy = 4,
+ .rxq = 4,
+ .txreadyq = 21,
+ }
+};
+
+static struct platform_device fsg_eth[] = {
+ {
+ .name = "ixp4xx_eth",
+ .id = IXP4XX_ETH_NPEB,
+ .dev = {
+ .platform_data = fsg_plat_eth,
+ },
+ }, {
+ .name = "ixp4xx_eth",
+ .id = IXP4XX_ETH_NPEC,
+ .dev = {
+ .platform_data = fsg_plat_eth + 1,
+ },
+ }
+};
+
+static struct platform_device *fsg_devices[] __initdata = {
+ &fsg_i2c_gpio,
+ &fsg_flash,
+ &fsg_leds,
+ &fsg_eth[0],
+ &fsg_eth[1],
+};
+
+static irqreturn_t fsg_power_handler(int irq, void *dev_id)
+{
+ /* Signal init to do the ctrlaltdel action, this will bypass init if
+ * it hasn't started and do a kernel_restart.
+ */
+ ctrl_alt_del();
+
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t fsg_reset_handler(int irq, void *dev_id)
+{
+ /* This is the paper-clip reset which does an emergency reboot. */
+ printk(KERN_INFO "Restarting system.\n");
+ machine_restart(NULL);
+
+ /* This should never be reached. */
+ return IRQ_HANDLED;
+}
+
+static void __init fsg_init(void)
+{
+ DECLARE_MAC_BUF(mac_buf);
+ uint8_t __iomem *f;
+ int i;
+
+ ixp4xx_sys_init();
+
+ fsg_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
+ fsg_flash_resource.end =
+ IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1;
+
+ *IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
+ *IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
+
+ /* Configure CS2 for operation, 8bit and writable */
+ *IXP4XX_EXP_CS2 = 0xbfff0002;
+
+ i2c_register_board_info(0, fsg_i2c_board_info,
+ ARRAY_SIZE(fsg_i2c_board_info));
+
+ /* This is only useful on a modified machine, but it is valuable
+ * to have it first in order to see debug messages, and so that
+ * it does *not* get removed if platform_add_devices fails!
+ */
+ (void)platform_device_register(&fsg_uart);
+
+ platform_add_devices(fsg_devices, ARRAY_SIZE(fsg_devices));
+
+ if (request_irq(gpio_to_irq(FSG_RB_GPIO), &fsg_reset_handler,
+ IRQF_DISABLED | IRQF_TRIGGER_LOW,
+ "FSG reset button", NULL) < 0) {
+
+ printk(KERN_DEBUG "Reset Button IRQ %d not available\n",
+ gpio_to_irq(FSG_RB_GPIO));
+ }
+
+ if (request_irq(gpio_to_irq(FSG_SB_GPIO), &fsg_power_handler,
+ IRQF_DISABLED | IRQF_TRIGGER_LOW,
+ "FSG power button", NULL) < 0) {
+
+ printk(KERN_DEBUG "Power Button IRQ %d not available\n",
+ gpio_to_irq(FSG_SB_GPIO));
+ }
+
+ /*
+ * Map in a portion of the flash and read the MAC addresses.
+ * Since it is stored in BE in the flash itself, we need to
+ * byteswap it if we're in LE mode.
+ */
+ f = ioremap(IXP4XX_EXP_BUS_BASE(0), 0x400000);
+ if (f) {
+#ifdef __ARMEB__
+ for (i = 0; i < 6; i++) {
+ fsg_plat_eth[0].hwaddr[i] = readb(f + 0x3C0422 + i);
+ fsg_plat_eth[1].hwaddr[i] = readb(f + 0x3C043B + i);
+ }
+#else
+
+ /*
+ Endian-swapped reads from unaligned addresses are
+ required to extract the two MACs from the big-endian
+ Redboot config area in flash.
+ */
+
+ fsg_plat_eth[0].hwaddr[0] = readb(f + 0x3C0421);
+ fsg_plat_eth[0].hwaddr[1] = readb(f + 0x3C0420);
+ fsg_plat_eth[0].hwaddr[2] = readb(f + 0x3C0427);
+ fsg_plat_eth[0].hwaddr[3] = readb(f + 0x3C0426);
+ fsg_plat_eth[0].hwaddr[4] = readb(f + 0x3C0425);
+ fsg_plat_eth[0].hwaddr[5] = readb(f + 0x3C0424);
+
+ fsg_plat_eth[1].hwaddr[0] = readb(f + 0x3C0439);
+ fsg_plat_eth[1].hwaddr[1] = readb(f + 0x3C043F);
+ fsg_plat_eth[1].hwaddr[2] = readb(f + 0x3C043E);
+ fsg_plat_eth[1].hwaddr[3] = readb(f + 0x3C043D);
+ fsg_plat_eth[1].hwaddr[4] = readb(f + 0x3C043C);
+ fsg_plat_eth[1].hwaddr[5] = readb(f + 0x3C0443);
+#endif
+ iounmap(f);
+ }
+ printk(KERN_INFO "FSG: Using MAC address %s for port 0\n",
+ print_mac(mac_buf, fsg_plat_eth[0].hwaddr));
+ printk(KERN_INFO "FSG: Using MAC address %s for port 1\n",
+ print_mac(mac_buf, fsg_plat_eth[1].hwaddr));
+
+}
+
+MACHINE_START(FSG, "Freecom FSG-3")
+ /* Maintainer: www.nslu2-linux.org */
+ .phys_io = IXP4XX_PERIPHERAL_BASE_PHYS,
+ .io_pg_offst = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
+ .map_io = ixp4xx_map_io,
+ .init_irq = ixp4xx_init_irq,
+ .timer = &ixp4xx_timer,
+ .boot_params = 0x0100,
+ .init_machine = fsg_init,
+MACHINE_END
+
diff --git a/arch/arm/mach-kirkwood/Kconfig b/arch/arm/mach-kirkwood/Kconfig
new file mode 100644
index 00000000000..3600cd9f051
--- /dev/null
+++ b/arch/arm/mach-kirkwood/Kconfig
@@ -0,0 +1,25 @@
+if ARCH_KIRKWOOD
+
+menu "Marvell Kirkwood Implementations"
+
+config MACH_DB88F6281_BP
+ bool "Marvell DB-88F6281-BP Development Board"
+ help
+ Say 'Y' here if you want your kernel to support the
+ Marvell DB-88F6281-BP Development Board.
+
+config MACH_RD88F6192_NAS
+ bool "Marvell RD-88F6192-NAS Reference Board"
+ help
+ Say 'Y' here if you want your kernel to support the
+ Marvell RD-88F6192-NAS Reference Board.
+
+config MACH_RD88F6281
+ bool "Marvell RD-88F6281 Reference Board"
+ help
+ Say 'Y' here if you want your kernel to support the
+ Marvell RD-88F6281 Reference Board.
+
+endmenu
+
+endif
diff --git a/arch/arm/mach-kirkwood/Makefile b/arch/arm/mach-kirkwood/Makefile
new file mode 100644
index 00000000000..e14bf40bfb0
--- /dev/null
+++ b/arch/arm/mach-kirkwood/Makefile
@@ -0,0 +1,5 @@
+obj-y += common.o addr-map.o irq.o pcie.o
+
+obj-$(CONFIG_MACH_DB88F6281_BP) += db88f6281-bp-setup.o
+obj-$(CONFIG_MACH_RD88F6192_NAS) += rd88f6192-nas-setup.o
+obj-$(CONFIG_MACH_RD88F6192_NAS) += rd88f6281-setup.o
diff --git a/arch/arm/mach-kirkwood/Makefile.boot b/arch/arm/mach-kirkwood/Makefile.boot
new file mode 100644
index 00000000000..67039c3e0c4
--- /dev/null
+++ b/arch/arm/mach-kirkwood/Makefile.boot
@@ -0,0 +1,3 @@
+ zreladdr-y := 0x00008000
+params_phys-y := 0x00000100
+initrd_phys-y := 0x00800000
diff --git a/arch/arm/mach-kirkwood/addr-map.c b/arch/arm/mach-kirkwood/addr-map.c
new file mode 100644
index 00000000000..a39f0f3c473
--- /dev/null
+++ b/arch/arm/mach-kirkwood/addr-map.c
@@ -0,0 +1,139 @@
+/*
+ * arch/arm/mach-kirkwood/addr-map.c
+ *
+ * Address map functions for Marvell Kirkwood SoCs
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/mbus.h>
+#include <linux/io.h>
+#include <asm/hardware.h>
+#include "common.h"
+
+/*
+ * Generic Address Decode Windows bit settings
+ */
+#define TARGET_DDR 0
+#define TARGET_DEV_BUS 1
+#define TARGET_PCIE 4
+#define ATTR_DEV_SPI_ROM 0x1e
+#define ATTR_DEV_BOOT 0x1d
+#define ATTR_DEV_NAND 0x2f
+#define ATTR_DEV_CS3 0x37
+#define ATTR_DEV_CS2 0x3b
+#define ATTR_DEV_CS1 0x3d
+#define ATTR_DEV_CS0 0x3e
+#define ATTR_PCIE_IO 0xe0
+#define ATTR_PCIE_MEM 0xe8
+
+/*
+ * Helpers to get DDR bank info
+ */
+#define DDR_BASE_CS_OFF(n) (0x0000 + ((n) << 3))
+#define DDR_SIZE_CS_OFF(n) (0x0004 + ((n) << 3))
+
+/*
+ * CPU Address Decode Windows registers
+ */
+#define WIN_OFF(n) (BRIDGE_VIRT_BASE + 0x0000 + ((n) << 4))
+#define WIN_CTRL_OFF 0x0000
+#define WIN_BASE_OFF 0x0004
+#define WIN_REMAP_LO_OFF 0x0008
+#define WIN_REMAP_HI_OFF 0x000c
+
+
+struct mbus_dram_target_info kirkwood_mbus_dram_info;
+
+static int __init cpu_win_can_remap(int win)
+{
+ if (win < 4)
+ return 1;
+
+ return 0;
+}
+
+static void __init setup_cpu_win(int win, u32 base, u32 size,
+ u8 target, u8 attr, int remap)
+{
+ void __iomem *addr = (void __iomem *)WIN_OFF(win);
+ u32 ctrl;
+
+ base &= 0xffff0000;
+ ctrl = ((size - 1) & 0xffff0000) | (attr << 8) | (target << 4) | 1;
+
+ writel(base, addr + WIN_BASE_OFF);
+ writel(ctrl, addr + WIN_CTRL_OFF);
+ if (cpu_win_can_remap(win)) {
+ if (remap < 0)
+ remap = base;
+
+ writel(remap & 0xffff0000, addr + WIN_REMAP_LO_OFF);
+ writel(0, addr + WIN_REMAP_HI_OFF);
+ }
+}
+
+void __init kirkwood_setup_cpu_mbus(void)
+{
+ void __iomem *addr;
+ int i;
+ int cs;
+
+ /*
+ * First, disable and clear windows.
+ */
+ for (i = 0; i < 8; i++) {
+ addr = (void __iomem *)WIN_OFF(i);
+
+ writel(0, addr + WIN_BASE_OFF);
+ writel(0, addr + WIN_CTRL_OFF);
+ if (cpu_win_can_remap(i)) {
+ writel(0, addr + WIN_REMAP_LO_OFF);
+ writel(0, addr + WIN_REMAP_HI_OFF);
+ }
+ }
+
+ /*
+ * Setup windows for PCIe IO+MEM space.
+ */
+ setup_cpu_win(0, KIRKWOOD_PCIE_IO_PHYS_BASE, KIRKWOOD_PCIE_IO_SIZE,
+ TARGET_PCIE, ATTR_PCIE_IO, KIRKWOOD_PCIE_IO_BUS_BASE);
+ setup_cpu_win(1, KIRKWOOD_PCIE_MEM_PHYS_BASE, KIRKWOOD_PCIE_MEM_SIZE,
+ TARGET_PCIE, ATTR_PCIE_MEM, -1);
+
+ /*
+ * Setup window for NAND controller.
+ */
+ setup_cpu_win(2, KIRKWOOD_NAND_MEM_PHYS_BASE, KIRKWOOD_NAND_MEM_SIZE,
+ TARGET_DEV_BUS, ATTR_DEV_NAND, -1);
+
+ /*
+ * Setup MBUS dram target info.
+ */
+ kirkwood_mbus_dram_info.mbus_dram_target_id = TARGET_DDR;
+
+ addr = (void __iomem *)DDR_WINDOW_CPU_BASE;
+
+ for (i = 0, cs = 0; i < 4; i++) {
+ u32 base = readl(addr + DDR_BASE_CS_OFF(i));
+ u32 size = readl(addr + DDR_SIZE_CS_OFF(i));
+
+ /*
+ * Chip select enabled?
+ */
+ if (size & 1) {
+ struct mbus_dram_window *w;
+
+ w = &kirkwood_mbus_dram_info.cs[cs++];
+ w->cs_index = i;
+ w->mbus_attr = 0xf & ~(1 << i);
+ w->base = base & 0xffff0000;
+ w->size = (size | 0x0000ffff) + 1;
+ }
+ }
+ kirkwood_mbus_dram_info.num_cs = cs;
+}
diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c
new file mode 100644
index 00000000000..5938a3b33cd
--- /dev/null
+++ b/arch/arm/mach-kirkwood/common.c
@@ -0,0 +1,331 @@
+/*
+ * arch/arm/mach-kirkwood/common.c
+ *
+ * Core functions for Marvell Kirkwood SoCs
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/serial_8250.h>
+#include <linux/mbus.h>
+#include <linux/mv643xx_eth.h>
+#include <linux/ata_platform.h>
+#include <asm/page.h>
+#include <asm/timex.h>
+#include <asm/mach/map.h>
+#include <asm/mach/time.h>
+#include <asm/arch/kirkwood.h>
+#include <asm/plat-orion/cache-feroceon-l2.h>
+#include <asm/plat-orion/ehci-orion.h>
+#include <asm/plat-orion/orion_nand.h>
+#include <asm/plat-orion/time.h>
+#include "common.h"
+
+/*****************************************************************************
+ * I/O Address Mapping
+ ****************************************************************************/
+static struct map_desc kirkwood_io_desc[] __initdata = {
+ {
+ .virtual = KIRKWOOD_PCIE_IO_VIRT_BASE,
+ .pfn = __phys_to_pfn(KIRKWOOD_PCIE_IO_PHYS_BASE),
+ .length = KIRKWOOD_PCIE_IO_SIZE,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = KIRKWOOD_REGS_VIRT_BASE,
+ .pfn = __phys_to_pfn(KIRKWOOD_REGS_PHYS_BASE),
+ .length = KIRKWOOD_REGS_SIZE,
+ .type = MT_DEVICE,
+ },
+};
+
+void __init kirkwood_map_io(void)
+{
+ iotable_init(kirkwood_io_desc, ARRAY_SIZE(kirkwood_io_desc));
+}
+
+
+/*****************************************************************************
+ * EHCI
+ ****************************************************************************/
+static struct orion_ehci_data kirkwood_ehci_data = {
+ .dram = &kirkwood_mbus_dram_info,
+};
+
+static u64 ehci_dmamask = 0xffffffffUL;
+
+
+/*****************************************************************************
+ * EHCI0
+ ****************************************************************************/
+static struct resource kirkwood_ehci_resources[] = {
+ {
+ .start = USB_PHYS_BASE,
+ .end = USB_PHYS_BASE + 0x0fff,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = IRQ_KIRKWOOD_USB,
+ .end = IRQ_KIRKWOOD_USB,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device kirkwood_ehci = {
+ .name = "orion-ehci",
+ .id = 0,
+ .dev = {
+ .dma_mask = &ehci_dmamask,
+ .coherent_dma_mask = 0xffffffff,
+ .platform_data = &kirkwood_ehci_data,
+ },
+ .resource = kirkwood_ehci_resources,
+ .num_resources = ARRAY_SIZE(kirkwood_ehci_resources),
+};
+
+void __init kirkwood_ehci_init(void)
+{
+ platform_device_register(&kirkwood_ehci);
+}
+
+
+/*****************************************************************************
+ * GE00
+ ****************************************************************************/
+struct mv643xx_eth_shared_platform_data kirkwood_ge00_shared_data = {
+ .t_clk = KIRKWOOD_TCLK,
+ .dram = &kirkwood_mbus_dram_info,
+};
+
+static struct resource kirkwood_ge00_shared_resources[] = {
+ {
+ .name = "ge00 base",
+ .start = GE00_PHYS_BASE + 0x2000,
+ .end = GE00_PHYS_BASE + 0x3fff,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct platform_device kirkwood_ge00_shared = {
+ .name = MV643XX_ETH_SHARED_NAME,
+ .id = 0,
+ .dev = {
+ .platform_data = &kirkwood_ge00_shared_data,
+ },
+ .num_resources = 1,
+ .resource = kirkwood_ge00_shared_resources,
+};
+
+static struct resource kirkwood_ge00_resources[] = {
+ {
+ .name = "ge00 irq",
+ .start = IRQ_KIRKWOOD_GE00_SUM,
+ .end = IRQ_KIRKWOOD_GE00_SUM,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device kirkwood_ge00 = {
+ .name = MV643XX_ETH_NAME,
+ .id = 0,
+ .num_resources = 1,
+ .resource = kirkwood_ge00_resources,
+};
+
+void __init kirkwood_ge00_init(struct mv643xx_eth_platform_data *eth_data)
+{
+ eth_data->shared = &kirkwood_ge00_shared;
+ kirkwood_ge00.dev.platform_data = eth_data;
+
+ platform_device_register(&kirkwood_ge00_shared);
+ platform_device_register(&kirkwood_ge00);
+}
+
+
+/*****************************************************************************
+ * SoC RTC
+ ****************************************************************************/
+static struct resource kirkwood_rtc_resource = {
+ .start = RTC_PHYS_BASE,
+ .end = RTC_PHYS_BASE + SZ_16 - 1,
+ .flags = IORESOURCE_MEM,
+};
+
+void __init kirkwood_rtc_init(void)
+{
+ platform_device_register_simple("rtc-mv", -1, &kirkwood_rtc_resource, 1);
+}
+
+
+/*****************************************************************************
+ * SATA
+ ****************************************************************************/
+static struct resource kirkwood_sata_resources[] = {
+ {
+ .name = "sata base",
+ .start = SATA_PHYS_BASE,
+ .end = SATA_PHYS_BASE + 0x5000 - 1,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .name = "sata irq",
+ .start = IRQ_KIRKWOOD_SATA,
+ .end = IRQ_KIRKWOOD_SATA,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device kirkwood_sata = {
+ .name = "sata_mv",
+ .id = 0,
+ .dev = {
+ .coherent_dma_mask = 0xffffffff,
+ },
+ .num_resources = ARRAY_SIZE(kirkwood_sata_resources),
+ .resource = kirkwood_sata_resources,
+};
+
+void __init kirkwood_sata_init(struct mv_sata_platform_data *sata_data)
+{
+ sata_data->dram = &kirkwood_mbus_dram_info;
+ kirkwood_sata.dev.platform_data = sata_data;
+ platform_device_register(&kirkwood_sata);
+}
+
+
+/*****************************************************************************
+ * UART0
+ ****************************************************************************/
+static struct plat_serial8250_port kirkwood_uart0_data[] = {
+ {
+ .mapbase = UART0_PHYS_BASE,
+ .membase = (char *)UART0_VIRT_BASE,
+ .irq = IRQ_KIRKWOOD_UART_0,
+ .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
+ .iotype = UPIO_MEM,
+ .regshift = 2,
+ .uartclk = KIRKWOOD_TCLK,
+ }, {
+ },
+};
+
+static struct resource kirkwood_uart0_resources[] = {
+ {
+ .start = UART0_PHYS_BASE,
+ .end = UART0_PHYS_BASE + 0xff,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = IRQ_KIRKWOOD_UART_0,
+ .end = IRQ_KIRKWOOD_UART_0,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device kirkwood_uart0 = {
+ .name = "serial8250",
+ .id = 0,
+ .dev = {
+ .platform_data = kirkwood_uart0_data,
+ },
+ .resource = kirkwood_uart0_resources,
+ .num_resources = ARRAY_SIZE(kirkwood_uart0_resources),
+};
+
+void __init kirkwood_uart0_init(void)
+{
+ platform_device_register(&kirkwood_uart0);
+}
+
+
+/*****************************************************************************
+ * UART1
+ ****************************************************************************/
+static struct plat_serial8250_port kirkwood_uart1_data[] = {
+ {
+ .mapbase = UART1_PHYS_BASE,
+ .membase = (char *)UART1_VIRT_BASE,
+ .irq = IRQ_KIRKWOOD_UART_1,
+ .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
+ .iotype = UPIO_MEM,
+ .regshift = 2,
+ .uartclk = KIRKWOOD_TCLK,
+ }, {
+ },
+};
+
+static struct resource kirkwood_uart1_resources[] = {
+ {
+ .start = UART1_PHYS_BASE,
+ .end = UART1_PHYS_BASE + 0xff,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = IRQ_KIRKWOOD_UART_1,
+ .end = IRQ_KIRKWOOD_UART_1,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device kirkwood_uart1 = {
+ .name = "serial8250",
+ .id = 1,
+ .dev = {
+ .platform_data = kirkwood_uart1_data,
+ },
+ .resource = kirkwood_uart1_resources,
+ .num_resources = ARRAY_SIZE(kirkwood_uart1_resources),
+};
+
+void __init kirkwood_uart1_init(void)
+{
+ platform_device_register(&kirkwood_uart1);
+}
+
+
+/*****************************************************************************
+ * Time handling
+ ****************************************************************************/
+static void kirkwood_timer_init(void)
+{
+ orion_time_init(IRQ_KIRKWOOD_BRIDGE, KIRKWOOD_TCLK);
+}
+
+struct sys_timer kirkwood_timer = {
+ .init = kirkwood_timer_init,
+};
+
+
+/*****************************************************************************
+ * General
+ ****************************************************************************/
+static char * __init kirkwood_id(void)
+{
+ switch (readl(DEVICE_ID) & 0x3) {
+ case 0:
+ return "88F6180";
+ case 1:
+ return "88F6192";
+ case 2:
+ return "88F6281";
+ }
+
+ return "unknown 88F6000 variant";
+}
+
+static int __init is_l2_writethrough(void)
+{
+ return !!(readl(L2_CONFIG_REG) & L2_WRITETHROUGH);
+}
+
+void __init kirkwood_init(void)
+{
+ printk(KERN_INFO "Kirkwood: %s, TCLK=%d.\n",
+ kirkwood_id(), KIRKWOOD_TCLK);
+
+ kirkwood_setup_cpu_mbus();
+
+#ifdef CONFIG_CACHE_FEROCEON_L2
+ feroceon_l2_init(is_l2_writethrough());
+#endif
+}
diff --git a/arch/arm/mach-kirkwood/common.h b/arch/arm/mach-kirkwood/common.h
new file mode 100644
index 00000000000..5dee2f6b40a
--- /dev/null
+++ b/arch/arm/mach-kirkwood/common.h
@@ -0,0 +1,42 @@
+/*
+ * arch/arm/mach-kirkwood/common.h
+ *
+ * Core functions for Marvell Kirkwood SoCs
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#ifndef __ARCH_KIRKWOOD_COMMON_H
+#define __ARCH_KIRKWOOD_COMMON_H
+
+struct mv643xx_eth_platform_data;
+struct mv_sata_platform_data;
+
+/*
+ * Basic Kirkwood init functions used early by machine-setup.
+ */
+void kirkwood_map_io(void);
+void kirkwood_init(void);
+void kirkwood_init_irq(void);
+
+extern struct mbus_dram_target_info kirkwood_mbus_dram_info;
+void kirkwood_setup_cpu_mbus(void);
+void kirkwood_setup_pcie_io_win(int window, u32 base, u32 size,
+ int maj, int min);
+void kirkwood_setup_pcie_mem_win(int window, u32 base, u32 size,
+ int maj, int min);
+
+void kirkwood_ehci_init(void);
+void kirkwood_ge00_init(struct mv643xx_eth_platform_data *eth_data);
+void kirkwood_pcie_init(void);
+void kirkwood_rtc_init(void);
+void kirkwood_sata_init(struct mv_sata_platform_data *sata_data);
+void kirkwood_uart0_init(void);
+void kirkwood_uart1_init(void);
+
+extern struct sys_timer kirkwood_timer;
+
+
+#endif
diff --git a/arch/arm/mach-kirkwood/db88f6281-bp-setup.c b/arch/arm/mach-kirkwood/db88f6281-bp-setup.c
new file mode 100644
index 00000000000..d5c482c628e
--- /dev/null
+++ b/arch/arm/mach-kirkwood/db88f6281-bp-setup.c
@@ -0,0 +1,68 @@
+/*
+ * arch/arm/mach-kirkwood/db88f6281-bp-setup.c
+ *
+ * Marvell DB-88F6281-BP Development Board Setup
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/pci.h>
+#include <linux/irq.h>
+#include <linux/mtd/physmap.h>
+#include <linux/mtd/nand.h>
+#include <linux/timer.h>
+#include <linux/ata_platform.h>
+#include <linux/mv643xx_eth.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/pci.h>
+#include <asm/arch/kirkwood.h>
+#include "common.h"
+
+static struct mv643xx_eth_platform_data db88f6281_ge00_data = {
+ .phy_addr = 8,
+};
+
+static struct mv_sata_platform_data db88f6281_sata_data = {
+ .n_ports = 2,
+};
+
+static void __init db88f6281_init(void)
+{
+ /*
+ * Basic setup. Needs to be called early.
+ */
+ kirkwood_init();
+
+ kirkwood_ehci_init();
+ kirkwood_ge00_init(&db88f6281_ge00_data);
+ kirkwood_rtc_init();
+ kirkwood_sata_init(&db88f6281_sata_data);
+ kirkwood_uart0_init();
+ kirkwood_uart1_init();
+}
+
+static int __init db88f6281_pci_init(void)
+{
+ if (machine_is_db88f6281_bp())
+ kirkwood_pcie_init();
+
+ return 0;
+}
+subsys_initcall(db88f6281_pci_init);
+
+MACHINE_START(DB88F6281_BP, "Marvell DB-88F6281-BP Development Board")
+ /* Maintainer: Saeed Bishara <saeed@marvell.com> */
+ .phys_io = KIRKWOOD_REGS_PHYS_BASE,
+ .io_pg_offst = ((KIRKWOOD_REGS_VIRT_BASE) >> 18) & 0xfffc,
+ .boot_params = 0x00000100,
+ .init_machine = db88f6281_init,
+ .map_io = kirkwood_map_io,
+ .init_irq = kirkwood_init_irq,
+ .timer = &kirkwood_timer,
+MACHINE_END
diff --git a/arch/arm/mach-kirkwood/irq.c b/arch/arm/mach-kirkwood/irq.c
new file mode 100644
index 00000000000..302bb2cf666
--- /dev/null
+++ b/arch/arm/mach-kirkwood/irq.c
@@ -0,0 +1,22 @@
+/*
+ * arch/arm/mach-kirkwood/irq.c
+ *
+ * Kirkwood IRQ handling.
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/irq.h>
+#include <linux/io.h>
+#include <asm/plat-orion/irq.h>
+#include "common.h"
+
+void __init kirkwood_init_irq(void)
+{
+ orion_irq_init(0, (void __iomem *)(IRQ_VIRT_BASE + IRQ_MASK_LOW_OFF));
+ orion_irq_init(32, (void __iomem *)(IRQ_VIRT_BASE + IRQ_MASK_HIGH_OFF));
+}
diff --git a/arch/arm/mach-kirkwood/pcie.c b/arch/arm/mach-kirkwood/pcie.c
new file mode 100644
index 00000000000..8282d0ff84b
--- /dev/null
+++ b/arch/arm/mach-kirkwood/pcie.c
@@ -0,0 +1,180 @@
+/*
+ * arch/arm/mach-kirkwood/pcie.c
+ *
+ * PCIe functions for Marvell Kirkwood SoCs
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/kernel.h>
+#include <linux/pci.h>
+#include <linux/mbus.h>
+#include <asm/mach/pci.h>
+#include <asm/plat-orion/pcie.h>
+#include "common.h"
+
+
+#define PCIE_BASE ((void __iomem *)PCIE_VIRT_BASE)
+
+static int pcie_valid_config(int bus, int dev)
+{
+ /*
+ * Don't go out when trying to access --
+ * 1. nonexisting device on local bus
+ * 2. where there's no device connected (no link)
+ */
+ if (bus == 0 && dev == 0)
+ return 1;
+
+ if (!orion_pcie_link_up(PCIE_BASE))
+ return 0;
+
+ if (bus == 0 && dev != 1)
+ return 0;
+
+ return 1;
+}
+
+
+/*
+ * PCIe config cycles are done by programming the PCIE_CONF_ADDR register
+ * and then reading the PCIE_CONF_DATA register. Need to make sure these
+ * transactions are atomic.
+ */
+static DEFINE_SPINLOCK(kirkwood_pcie_lock);
+
+static int pcie_rd_conf(struct pci_bus *bus, u32 devfn, int where,
+ int size, u32 *val)
+{
+ unsigned long flags;
+ int ret;
+
+ if (pcie_valid_config(bus->number, PCI_SLOT(devfn)) == 0) {
+ *val = 0xffffffff;
+ return PCIBIOS_DEVICE_NOT_FOUND;
+ }
+
+ spin_lock_irqsave(&kirkwood_pcie_lock, flags);
+ ret = orion_pcie_rd_conf(PCIE_BASE, bus, devfn, where, size, val);
+ spin_unlock_irqrestore(&kirkwood_pcie_lock, flags);
+
+ return ret;
+}
+
+static int pcie_wr_conf(struct pci_bus *bus, u32 devfn,
+ int where, int size, u32 val)
+{
+ unsigned long flags;
+ int ret;
+
+ if (pcie_valid_config(bus->number, PCI_SLOT(devfn)) == 0)
+ return PCIBIOS_DEVICE_NOT_FOUND;
+
+ spin_lock_irqsave(&kirkwood_pcie_lock, flags);
+ ret = orion_pcie_wr_conf(PCIE_BASE, bus, devfn, where, size, val);
+ spin_unlock_irqrestore(&kirkwood_pcie_lock, flags);
+
+ return ret;
+}
+
+static struct pci_ops pcie_ops = {
+ .read = pcie_rd_conf,
+ .write = pcie_wr_conf,
+};
+
+
+static int kirkwood_pcie_setup(int nr, struct pci_sys_data *sys)
+{
+ struct resource *res;
+
+ /*
+ * Generic PCIe unit setup.
+ */
+ orion_pcie_setup(PCIE_BASE, &kirkwood_mbus_dram_info);
+
+ /*
+ * Request resources.
+ */
+ res = kzalloc(sizeof(struct resource) * 2, GFP_KERNEL);
+ if (!res)
+ panic("pcie_setup unable to alloc resources");
+
+ /*
+ * IORESOURCE_IO
+ */
+ res[0].name = "PCIe I/O Space";
+ res[0].flags = IORESOURCE_IO;
+ res[0].start = KIRKWOOD_PCIE_IO_PHYS_BASE;
+ res[0].end = res[0].start + KIRKWOOD_PCIE_IO_SIZE - 1;
+ if (request_resource(&ioport_resource, &res[0]))
+ panic("Request PCIe IO resource failed\n");
+ sys->resource[0] = &res[0];
+
+ /*
+ * IORESOURCE_MEM
+ */
+ res[1].name = "PCIe Memory Space";
+ res[1].flags = IORESOURCE_MEM;
+ res[1].start = KIRKWOOD_PCIE_MEM_PHYS_BASE;
+ res[1].end = res[1].start + KIRKWOOD_PCIE_MEM_SIZE - 1;
+ if (request_resource(&iomem_resource, &res[1]))
+ panic("Request PCIe Memory resource failed\n");
+ sys->resource[1] = &res[1];
+
+ sys->resource[2] = NULL;
+ sys->io_offset = 0;
+
+ return 1;
+}
+
+static void __devinit rc_pci_fixup(struct pci_dev *dev)
+{
+ /*
+ * Prevent enumeration of root complex.
+ */
+ if (dev->bus->parent == NULL && dev->devfn == 0) {
+ int i;
+
+ for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) {
+ dev->resource[i].start = 0;
+ dev->resource[i].end = 0;
+ dev->resource[i].flags = 0;
+ }
+ }
+}
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL, PCI_ANY_ID, rc_pci_fixup);
+
+static struct pci_bus __init *
+kirkwood_pcie_scan_bus(int nr, struct pci_sys_data *sys)
+{
+ struct pci_bus *bus;
+
+ if (nr == 0) {
+ bus = pci_scan_bus(sys->busnr, &pcie_ops, sys);
+ } else {
+ bus = NULL;
+ BUG();
+ }
+
+ return bus;
+}
+
+static int __init kirkwood_pcie_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+ return IRQ_KIRKWOOD_PCIE;
+}
+
+static struct hw_pci kirkwood_pci __initdata = {
+ .nr_controllers = 1,
+ .swizzle = pci_std_swizzle,
+ .setup = kirkwood_pcie_setup,
+ .scan = kirkwood_pcie_scan_bus,
+ .map_irq = kirkwood_pcie_map_irq,
+};
+
+void __init kirkwood_pcie_init(void)
+{
+ pci_common_init(&kirkwood_pci);
+}
diff --git a/arch/arm/mach-kirkwood/rd88f6192-nas-setup.c b/arch/arm/mach-kirkwood/rd88f6192-nas-setup.c
new file mode 100644
index 00000000000..6cf642c504d
--- /dev/null
+++ b/arch/arm/mach-kirkwood/rd88f6192-nas-setup.c
@@ -0,0 +1,69 @@
+/*
+ * arch/arm/mach-kirkwood/rd88f6192-nas-setup.c
+ *
+ * Marvell RD-88F6192-NAS Reference Board Setup
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/pci.h>
+#include <linux/irq.h>
+#include <linux/mtd/physmap.h>
+#include <linux/mtd/nand.h>
+#include <linux/timer.h>
+#include <linux/ata_platform.h>
+#include <linux/mv643xx_eth.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/pci.h>
+#include <asm/arch/kirkwood.h>
+#include "common.h"
+
+#define RD88F6192_GPIO_USB_VBUS 10
+
+static struct mv643xx_eth_platform_data rd88f6192_ge00_data = {
+ .phy_addr = 8,
+};
+
+static struct mv_sata_platform_data rd88f6192_sata_data = {
+ .n_ports = 2,
+};
+
+static void __init rd88f6192_init(void)
+{
+ /*
+ * Basic setup. Needs to be called early.
+ */
+ kirkwood_init();
+
+ kirkwood_ehci_init();
+ kirkwood_ge00_init(&rd88f6192_ge00_data);
+ kirkwood_rtc_init();
+ kirkwood_sata_init(&rd88f6192_sata_data);
+ kirkwood_uart0_init();
+}
+
+static int __init rd88f6192_pci_init(void)
+{
+ if (machine_is_rd88f6192_nas())
+ kirkwood_pcie_init();
+
+ return 0;
+}
+subsys_initcall(rd88f6192_pci_init);
+
+MACHINE_START(RD88F6192_NAS, "Marvell RD-88F6192-NAS Development Board")
+ /* Maintainer: Saeed Bishara <saeed@marvell.com> */
+ .phys_io = KIRKWOOD_REGS_PHYS_BASE,
+ .io_pg_offst = ((KIRKWOOD_REGS_VIRT_BASE) >> 18) & 0xfffc,
+ .boot_params = 0x00000100,
+ .init_machine = rd88f6192_init,
+ .map_io = kirkwood_map_io,
+ .init_irq = kirkwood_init_irq,
+ .timer = &kirkwood_timer,
+MACHINE_END
diff --git a/arch/arm/mach-kirkwood/rd88f6281-setup.c b/arch/arm/mach-kirkwood/rd88f6281-setup.c
new file mode 100644
index 00000000000..e1f8de2c74a
--- /dev/null
+++ b/arch/arm/mach-kirkwood/rd88f6281-setup.c
@@ -0,0 +1,113 @@
+/*
+ * arch/arm/mach-kirkwood/rd88f6281-setup.c
+ *
+ * Marvell RD-88F6281 Reference Board Setup
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/pci.h>
+#include <linux/irq.h>
+#include <linux/mtd/physmap.h>
+#include <linux/mtd/nand.h>
+#include <linux/timer.h>
+#include <linux/ata_platform.h>
+#include <linux/mv643xx_eth.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/pci.h>
+#include <asm/arch/kirkwood.h>
+#include <asm/plat-orion/orion_nand.h>
+#include "common.h"
+
+static struct mtd_partition rd88f6281_nand_parts[] = {
+ {
+ .name = "u-boot",
+ .offset = 0,
+ .size = SZ_1M
+ }, {
+ .name = "uImage",
+ .offset = MTDPART_OFS_NXTBLK,
+ .size = SZ_2M
+ }, {
+ .name = "root",
+ .offset = MTDPART_OFS_NXTBLK,
+ .size = MTDPART_SIZ_FULL
+ },
+};
+
+static struct resource rd88f6281_nand_resource = {
+ .flags = IORESOURCE_MEM,
+ .start = KIRKWOOD_NAND_MEM_PHYS_BASE,
+ .end = KIRKWOOD_NAND_MEM_PHYS_BASE +
+ KIRKWOOD_NAND_MEM_SIZE - 1,
+};
+
+static struct orion_nand_data rd88f6281_nand_data = {
+ .parts = rd88f6281_nand_parts,
+ .nr_parts = ARRAY_SIZE(rd88f6281_nand_parts),
+ .cle = 0,
+ .ale = 1,
+ .width = 8,
+ .chip_delay = 25,
+};
+
+static struct platform_device rd88f6281_nand_flash = {
+ .name = "orion_nand",
+ .id = -1,
+ .dev = {
+ .platform_data = &rd88f6281_nand_data,
+ },
+ .resource = &rd88f6281_nand_resource,
+ .num_resources = 1,
+};
+
+static struct mv643xx_eth_platform_data rd88f6281_ge00_data = {
+ .phy_addr = -1,
+};
+
+static struct mv_sata_platform_data rd88f6281_sata_data = {
+ .n_ports = 2,
+};
+
+static void __init rd88f6281_init(void)
+{
+ /*
+ * Basic setup. Needs to be called early.
+ */
+ kirkwood_init();
+
+ kirkwood_ehci_init();
+ kirkwood_ge00_init(&rd88f6281_ge00_data);
+ kirkwood_rtc_init();
+ kirkwood_sata_init(&rd88f6281_sata_data);
+ kirkwood_uart0_init();
+ kirkwood_uart1_init();
+
+ platform_device_register(&rd88f6281_nand_flash);
+}
+
+static int __init rd88f6281_pci_init(void)
+{
+ if (machine_is_rd88f6281())
+ kirkwood_pcie_init();
+
+ return 0;
+}
+subsys_initcall(rd88f6281_pci_init);
+
+MACHINE_START(RD88F6281, "Marvell RD-88F6281 Reference Board")
+ /* Maintainer: Saeed Bishara <saeed@marvell.com> */
+ .phys_io = KIRKWOOD_REGS_PHYS_BASE,
+ .io_pg_offst = ((KIRKWOOD_REGS_VIRT_BASE) >> 18) & 0xfffc,
+ .boot_params = 0x00000100,
+ .init_machine = rd88f6281_init,
+ .map_io = kirkwood_map_io,
+ .init_irq = kirkwood_init_irq,
+ .timer = &kirkwood_timer,
+MACHINE_END
diff --git a/arch/arm/mach-loki/Kconfig b/arch/arm/mach-loki/Kconfig
new file mode 100644
index 00000000000..0045bdd761c
--- /dev/null
+++ b/arch/arm/mach-loki/Kconfig
@@ -0,0 +1,13 @@
+if ARCH_LOKI
+
+menu "Marvell Loki (88RC8480) Implementations"
+
+config MACH_LB88RC8480
+ bool "Marvell LB88RC8480 Development Board"
+ help
+ Say 'Y' here if you want your kernel to support the
+ Marvell LB88RC8480 Development Board.
+
+endmenu
+
+endif
diff --git a/arch/arm/mach-loki/Makefile b/arch/arm/mach-loki/Makefile
new file mode 100644
index 00000000000..d43233ee590
--- /dev/null
+++ b/arch/arm/mach-loki/Makefile
@@ -0,0 +1,3 @@
+obj-y += common.o addr-map.o irq.o
+
+obj-$(CONFIG_MACH_LB88RC8480) += lb88rc8480-setup.o
diff --git a/arch/arm/mach-loki/Makefile.boot b/arch/arm/mach-loki/Makefile.boot
new file mode 100644
index 00000000000..67039c3e0c4
--- /dev/null
+++ b/arch/arm/mach-loki/Makefile.boot
@@ -0,0 +1,3 @@
+ zreladdr-y := 0x00008000
+params_phys-y := 0x00000100
+initrd_phys-y := 0x00800000
diff --git a/arch/arm/mach-loki/addr-map.c b/arch/arm/mach-loki/addr-map.c
new file mode 100644
index 00000000000..ba25e56ade5
--- /dev/null
+++ b/arch/arm/mach-loki/addr-map.c
@@ -0,0 +1,121 @@
+/*
+ * arch/arm/mach-loki/addr-map.c
+ *
+ * Address map functions for Marvell Loki (88RC8480) SoCs
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/mbus.h>
+#include <asm/hardware.h>
+#include <asm/io.h>
+#include "common.h"
+
+/*
+ * Generic Address Decode Windows bit settings
+ */
+#define TARGET_DDR 0
+#define TARGET_DEV_BUS 1
+#define TARGET_PCIE0 3
+#define TARGET_PCIE1 4
+#define ATTR_DEV_BOOT 0x0f
+#define ATTR_DEV_CS2 0x1b
+#define ATTR_DEV_CS1 0x1d
+#define ATTR_DEV_CS0 0x1e
+#define ATTR_PCIE_IO 0x51
+#define ATTR_PCIE_MEM 0x59
+
+/*
+ * Helpers to get DDR bank info
+ */
+#define DDR_SIZE_CS(n) DDR_REG(0x1500 + ((n) << 3))
+#define DDR_BASE_CS(n) DDR_REG(0x1504 + ((n) << 3))
+
+/*
+ * CPU Address Decode Windows registers
+ */
+#define CPU_WIN_CTRL(n) BRIDGE_REG(0x000 | ((n) << 4))
+#define CPU_WIN_BASE(n) BRIDGE_REG(0x004 | ((n) << 4))
+#define CPU_WIN_REMAP_LO(n) BRIDGE_REG(0x008 | ((n) << 4))
+#define CPU_WIN_REMAP_HI(n) BRIDGE_REG(0x00c | ((n) << 4))
+
+
+struct mbus_dram_target_info loki_mbus_dram_info;
+
+static void __init setup_cpu_win(int win, u32 base, u32 size,
+ u8 target, u8 attr, int remap)
+{
+ u32 ctrl;
+
+ base &= 0xffff0000;
+ ctrl = ((size - 1) & 0xffff0000) | (attr << 8) | (1 << 5) | target;
+
+ writel(base, CPU_WIN_BASE(win));
+ writel(ctrl, CPU_WIN_CTRL(win));
+ if (win < 2) {
+ if (remap < 0)
+ remap = base;
+
+ writel(remap & 0xffff0000, CPU_WIN_REMAP_LO(win));
+ writel(0, CPU_WIN_REMAP_HI(win));
+ }
+}
+
+void __init loki_setup_cpu_mbus(void)
+{
+ int i;
+ int cs;
+
+ /*
+ * First, disable and clear windows.
+ */
+ for (i = 0; i < 8; i++) {
+ writel(0, CPU_WIN_BASE(i));
+ writel(0, CPU_WIN_CTRL(i));
+ if (i < 2) {
+ writel(0, CPU_WIN_REMAP_LO(i));
+ writel(0, CPU_WIN_REMAP_HI(i));
+ }
+ }
+
+ /*
+ * Setup windows for PCIe IO+MEM space.
+ */
+ setup_cpu_win(2, LOKI_PCIE0_MEM_PHYS_BASE, LOKI_PCIE0_MEM_SIZE,
+ TARGET_PCIE0, ATTR_PCIE_MEM, -1);
+ setup_cpu_win(3, LOKI_PCIE1_MEM_PHYS_BASE, LOKI_PCIE1_MEM_SIZE,
+ TARGET_PCIE1, ATTR_PCIE_MEM, -1);
+
+ /*
+ * Setup MBUS dram target info.
+ */
+ loki_mbus_dram_info.mbus_dram_target_id = TARGET_DDR;
+
+ for (i = 0, cs = 0; i < 4; i++) {
+ u32 base = readl(DDR_BASE_CS(i));
+ u32 size = readl(DDR_SIZE_CS(i));
+
+ /*
+ * Chip select enabled?
+ */
+ if (size & 1) {
+ struct mbus_dram_window *w;
+
+ w = &loki_mbus_dram_info.cs[cs++];
+ w->cs_index = i;
+ w->mbus_attr = 0xf & ~(1 << i);
+ w->base = base & 0xffff0000;
+ w->size = (size | 0x0000ffff) + 1;
+ }
+ }
+ loki_mbus_dram_info.num_cs = cs;
+}
+
+void __init loki_setup_dev_boot_win(u32 base, u32 size)
+{
+ setup_cpu_win(4, base, size, TARGET_DEV_BUS, ATTR_DEV_BOOT, -1);
+}
diff --git a/arch/arm/mach-loki/common.c b/arch/arm/mach-loki/common.c
new file mode 100644
index 00000000000..410f50399dd
--- /dev/null
+++ b/arch/arm/mach-loki/common.c
@@ -0,0 +1,305 @@
+/*
+ * arch/arm/mach-loki/common.c
+ *
+ * Core functions for Marvell Loki (88RC8480) SoCs
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/serial_8250.h>
+#include <linux/mbus.h>
+#include <linux/mv643xx_eth.h>
+#include <asm/page.h>
+#include <asm/timex.h>
+#include <asm/mach/map.h>
+#include <asm/mach/time.h>
+#include <asm/arch/loki.h>
+#include <asm/plat-orion/orion_nand.h>
+#include <asm/plat-orion/time.h>
+#include "common.h"
+
+/*****************************************************************************
+ * I/O Address Mapping
+ ****************************************************************************/
+static struct map_desc loki_io_desc[] __initdata = {
+ {
+ .virtual = LOKI_REGS_VIRT_BASE,
+ .pfn = __phys_to_pfn(LOKI_REGS_PHYS_BASE),
+ .length = LOKI_REGS_SIZE,
+ .type = MT_DEVICE,
+ },
+};
+
+void __init loki_map_io(void)
+{
+ iotable_init(loki_io_desc, ARRAY_SIZE(loki_io_desc));
+}
+
+
+/*****************************************************************************
+ * GE0
+ ****************************************************************************/
+struct mv643xx_eth_shared_platform_data loki_ge0_shared_data = {
+ .t_clk = LOKI_TCLK,
+ .dram = &loki_mbus_dram_info,
+};
+
+static struct resource loki_ge0_shared_resources[] = {
+ {
+ .name = "ge0 base",
+ .start = GE0_PHYS_BASE + 0x2000,
+ .end = GE0_PHYS_BASE + 0x3fff,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct platform_device loki_ge0_shared = {
+ .name = MV643XX_ETH_SHARED_NAME,
+ .id = 0,
+ .dev = {
+ .platform_data = &loki_ge0_shared_data,
+ },
+ .num_resources = 1,
+ .resource = loki_ge0_shared_resources,
+};
+
+static struct resource loki_ge0_resources[] = {
+ {
+ .name = "ge0 irq",
+ .start = IRQ_LOKI_GBE_A_INT,
+ .end = IRQ_LOKI_GBE_A_INT,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device loki_ge0 = {
+ .name = MV643XX_ETH_NAME,
+ .id = 0,
+ .num_resources = 1,
+ .resource = loki_ge0_resources,
+};
+
+void __init loki_ge0_init(struct mv643xx_eth_platform_data *eth_data)
+{
+ eth_data->shared = &loki_ge0_shared;
+ loki_ge0.dev.platform_data = eth_data;
+
+ writel(0x00079220, GE0_VIRT_BASE + 0x20b0);
+ platform_device_register(&loki_ge0_shared);
+ platform_device_register(&loki_ge0);
+}
+
+
+/*****************************************************************************
+ * GE1
+ ****************************************************************************/
+struct mv643xx_eth_shared_platform_data loki_ge1_shared_data = {
+ .t_clk = LOKI_TCLK,
+ .dram = &loki_mbus_dram_info,
+};
+
+static struct resource loki_ge1_shared_resources[] = {
+ {
+ .name = "ge1 base",
+ .start = GE1_PHYS_BASE + 0x2000,
+ .end = GE1_PHYS_BASE + 0x3fff,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct platform_device loki_ge1_shared = {
+ .name = MV643XX_ETH_SHARED_NAME,
+ .id = 1,
+ .dev = {
+ .platform_data = &loki_ge1_shared_data,
+ },
+ .num_resources = 1,
+ .resource = loki_ge1_shared_resources,
+};
+
+static struct resource loki_ge1_resources[] = {
+ {
+ .name = "ge1 irq",
+ .start = IRQ_LOKI_GBE_B_INT,
+ .end = IRQ_LOKI_GBE_B_INT,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device loki_ge1 = {
+ .name = MV643XX_ETH_NAME,
+ .id = 1,
+ .num_resources = 1,
+ .resource = loki_ge1_resources,
+};
+
+void __init loki_ge1_init(struct mv643xx_eth_platform_data *eth_data)
+{
+ eth_data->shared = &loki_ge1_shared;
+ loki_ge1.dev.platform_data = eth_data;
+
+ writel(0x00079220, GE1_VIRT_BASE + 0x20b0);
+ platform_device_register(&loki_ge1_shared);
+ platform_device_register(&loki_ge1);
+}
+
+
+/*****************************************************************************
+ * SAS/SATA
+ ****************************************************************************/
+static struct resource loki_sas_resources[] = {
+ {
+ .name = "mvsas0 mem",
+ .start = SAS0_PHYS_BASE,
+ .end = SAS0_PHYS_BASE + 0x01ff,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .name = "mvsas0 irq",
+ .start = IRQ_LOKI_SAS_A,
+ .end = IRQ_LOKI_SAS_A,
+ .flags = IORESOURCE_IRQ,
+ }, {
+ .name = "mvsas1 mem",
+ .start = SAS1_PHYS_BASE,
+ .end = SAS1_PHYS_BASE + 0x01ff,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .name = "mvsas1 irq",
+ .start = IRQ_LOKI_SAS_B,
+ .end = IRQ_LOKI_SAS_B,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device loki_sas = {
+ .name = "mvsas",
+ .id = 0,
+ .dev = {
+ .coherent_dma_mask = 0xffffffff,
+ },
+ .num_resources = ARRAY_SIZE(loki_sas_resources),
+ .resource = loki_sas_resources,
+};
+
+void __init loki_sas_init(void)
+{
+ writel(0x8300f707, DDR_REG(0x1424));
+ platform_device_register(&loki_sas);
+}
+
+
+/*****************************************************************************
+ * UART0
+ ****************************************************************************/
+static struct plat_serial8250_port loki_uart0_data[] = {
+ {
+ .mapbase = UART0_PHYS_BASE,
+ .membase = (char *)UART0_VIRT_BASE,
+ .irq = IRQ_LOKI_UART0,
+ .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
+ .iotype = UPIO_MEM,
+ .regshift = 2,
+ .uartclk = LOKI_TCLK,
+ }, {
+ },
+};
+
+static struct resource loki_uart0_resources[] = {
+ {
+ .start = UART0_PHYS_BASE,
+ .end = UART0_PHYS_BASE + 0xff,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = IRQ_LOKI_UART0,
+ .end = IRQ_LOKI_UART0,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device loki_uart0 = {
+ .name = "serial8250",
+ .id = 0,
+ .dev = {
+ .platform_data = loki_uart0_data,
+ },
+ .resource = loki_uart0_resources,
+ .num_resources = ARRAY_SIZE(loki_uart0_resources),
+};
+
+void __init loki_uart0_init(void)
+{
+ platform_device_register(&loki_uart0);
+}
+
+
+/*****************************************************************************
+ * UART1
+ ****************************************************************************/
+static struct plat_serial8250_port loki_uart1_data[] = {
+ {
+ .mapbase = UART1_PHYS_BASE,
+ .membase = (char *)UART1_VIRT_BASE,
+ .irq = IRQ_LOKI_UART1,
+ .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
+ .iotype = UPIO_MEM,
+ .regshift = 2,
+ .uartclk = LOKI_TCLK,
+ }, {
+ },
+};
+
+static struct resource loki_uart1_resources[] = {
+ {
+ .start = UART1_PHYS_BASE,
+ .end = UART1_PHYS_BASE + 0xff,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = IRQ_LOKI_UART1,
+ .end = IRQ_LOKI_UART1,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device loki_uart1 = {
+ .name = "serial8250",
+ .id = 1,
+ .dev = {
+ .platform_data = loki_uart1_data,
+ },
+ .resource = loki_uart1_resources,
+ .num_resources = ARRAY_SIZE(loki_uart1_resources),
+};
+
+void __init loki_uart1_init(void)
+{
+ platform_device_register(&loki_uart1);
+}
+
+
+/*****************************************************************************
+ * Time handling
+ ****************************************************************************/
+static void loki_timer_init(void)
+{
+ orion_time_init(IRQ_LOKI_BRIDGE, LOKI_TCLK);
+}
+
+struct sys_timer loki_timer = {
+ .init = loki_timer_init,
+};
+
+
+/*****************************************************************************
+ * General
+ ****************************************************************************/
+void __init loki_init(void)
+{
+ printk(KERN_INFO "Loki ID: 88RC8480. TCLK=%d.\n", LOKI_TCLK);
+
+ loki_setup_cpu_mbus();
+}
diff --git a/arch/arm/mach-loki/common.h b/arch/arm/mach-loki/common.h
new file mode 100644
index 00000000000..26054fd0f05
--- /dev/null
+++ b/arch/arm/mach-loki/common.h
@@ -0,0 +1,36 @@
+/*
+ * arch/arm/mach-loki/common.h
+ *
+ * Core functions for Marvell Loki (88RC8480) SoCs
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#ifndef __ARCH_LOKI_COMMON_H
+#define __ARCH_LOKI_COMMON_H
+
+struct mv643xx_eth_platform_data;
+
+/*
+ * Basic Loki init functions used early by machine-setup.
+ */
+void loki_map_io(void);
+void loki_init(void);
+void loki_init_irq(void);
+
+extern struct mbus_dram_target_info loki_mbus_dram_info;
+void loki_setup_cpu_mbus(void);
+void loki_setup_dev_boot_win(u32 base, u32 size);
+
+void loki_ge0_init(struct mv643xx_eth_platform_data *eth_data);
+void loki_ge1_init(struct mv643xx_eth_platform_data *eth_data);
+void loki_sas_init(void);
+void loki_uart0_init(void);
+void loki_uart1_init(void);
+
+extern struct sys_timer loki_timer;
+
+
+#endif
diff --git a/arch/arm/mach-loki/irq.c b/arch/arm/mach-loki/irq.c
new file mode 100644
index 00000000000..d839af91fe0
--- /dev/null
+++ b/arch/arm/mach-loki/irq.c
@@ -0,0 +1,21 @@
+/*
+ * arch/arm/mach-loki/irq.c
+ *
+ * Marvell Loki (88RC8480) IRQ handling.
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/irq.h>
+#include <asm/io.h>
+#include <asm/plat-orion/irq.h>
+#include "common.h"
+
+void __init loki_init_irq(void)
+{
+ orion_irq_init(0, (void __iomem *)(IRQ_VIRT_BASE + IRQ_MASK_OFF));
+}
diff --git a/arch/arm/mach-loki/lb88rc8480-setup.c b/arch/arm/mach-loki/lb88rc8480-setup.c
new file mode 100644
index 00000000000..d1b9e6e6253
--- /dev/null
+++ b/arch/arm/mach-loki/lb88rc8480-setup.c
@@ -0,0 +1,100 @@
+/*
+ * arch/arm/mach-loki/lb88rc8480-setup.c
+ *
+ * Marvell LB88RC8480 Development Board Setup
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/irq.h>
+#include <linux/mtd/physmap.h>
+#include <linux/mtd/nand.h>
+#include <linux/timer.h>
+#include <linux/ata_platform.h>
+#include <linux/mv643xx_eth.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/arch/loki.h>
+#include "common.h"
+
+#define LB88RC8480_FLASH_BOOT_CS_BASE 0xf8000000
+#define LB88RC8480_FLASH_BOOT_CS_SIZE SZ_128M
+
+#define LB88RC8480_NOR_BOOT_BASE 0xff000000
+#define LB88RC8480_NOR_BOOT_SIZE SZ_16M
+
+static struct mtd_partition lb88rc8480_boot_flash_parts[] = {
+ {
+ .name = "kernel",
+ .offset = 0,
+ .size = SZ_2M,
+ }, {
+ .name = "root-fs",
+ .offset = SZ_2M,
+ .size = (SZ_8M + SZ_4M + SZ_1M),
+ }, {
+ .name = "u-boot",
+ .offset = (SZ_8M + SZ_4M + SZ_2M + SZ_1M),
+ .size = SZ_1M,
+ },
+};
+
+static struct physmap_flash_data lb88rc8480_boot_flash_data = {
+ .parts = lb88rc8480_boot_flash_parts,
+ .nr_parts = ARRAY_SIZE(lb88rc8480_boot_flash_parts),
+ .width = 1, /* 8 bit bus width */
+};
+
+static struct resource lb88rc8480_boot_flash_resource = {
+ .flags = IORESOURCE_MEM,
+ .start = LB88RC8480_NOR_BOOT_BASE,
+ .end = LB88RC8480_NOR_BOOT_BASE + LB88RC8480_NOR_BOOT_SIZE - 1,
+};
+
+static struct platform_device lb88rc8480_boot_flash = {
+ .name = "physmap-flash",
+ .id = 0,
+ .dev = {
+ .platform_data = &lb88rc8480_boot_flash_data,
+ },
+ .num_resources = 1,
+ .resource = &lb88rc8480_boot_flash_resource,
+};
+
+static struct mv643xx_eth_platform_data lb88rc8480_ge0_data = {
+ .phy_addr = 1,
+ .mac_addr = { 0x00, 0x50, 0x43, 0x11, 0x22, 0x33 },
+};
+
+static void __init lb88rc8480_init(void)
+{
+ /*
+ * Basic setup. Needs to be called early.
+ */
+ loki_init();
+
+ loki_ge0_init(&lb88rc8480_ge0_data);
+ loki_sas_init();
+ loki_uart0_init();
+ loki_uart1_init();
+
+ loki_setup_dev_boot_win(LB88RC8480_FLASH_BOOT_CS_BASE,
+ LB88RC8480_FLASH_BOOT_CS_SIZE);
+ platform_device_register(&lb88rc8480_boot_flash);
+}
+
+MACHINE_START(LB88RC8480, "Marvell LB88RC8480 Development Board")
+ /* Maintainer: Ke Wei <kewei@marvell.com> */
+ .phys_io = LOKI_REGS_PHYS_BASE,
+ .io_pg_offst = ((LOKI_REGS_VIRT_BASE) >> 18) & 0xfffc,
+ .boot_params = 0x00000100,
+ .init_machine = lb88rc8480_init,
+ .map_io = loki_map_io,
+ .init_irq = loki_init_irq,
+ .timer = &loki_timer,
+MACHINE_END
diff --git a/arch/arm/mach-mv78xx0/Kconfig b/arch/arm/mach-mv78xx0/Kconfig
new file mode 100644
index 00000000000..d83cb86837d
--- /dev/null
+++ b/arch/arm/mach-mv78xx0/Kconfig
@@ -0,0 +1,13 @@
+if ARCH_MV78XX0
+
+menu "Marvell MV78xx0 Implementations"
+
+config MACH_DB78X00_BP
+ bool "Marvell DB-78x00-BP Development Board"
+ help
+ Say 'Y' here if you want your kernel to support the
+ Marvell DB-78x00-BP Development Board.
+
+endmenu
+
+endif
diff --git a/arch/arm/mach-mv78xx0/Makefile b/arch/arm/mach-mv78xx0/Makefile
new file mode 100644
index 00000000000..ec16c05c3b1
--- /dev/null
+++ b/arch/arm/mach-mv78xx0/Makefile
@@ -0,0 +1,2 @@
+obj-y += common.o addr-map.o irq.o pcie.o
+obj-$(CONFIG_MACH_DB78X00_BP) += db78x00-bp-setup.o
diff --git a/arch/arm/mach-mv78xx0/Makefile.boot b/arch/arm/mach-mv78xx0/Makefile.boot
new file mode 100644
index 00000000000..67039c3e0c4
--- /dev/null
+++ b/arch/arm/mach-mv78xx0/Makefile.boot
@@ -0,0 +1,3 @@
+ zreladdr-y := 0x00008000
+params_phys-y := 0x00000100
+initrd_phys-y := 0x00800000
diff --git a/arch/arm/mach-mv78xx0/addr-map.c b/arch/arm/mach-mv78xx0/addr-map.c
new file mode 100644
index 00000000000..4004b672a2e
--- /dev/null
+++ b/arch/arm/mach-mv78xx0/addr-map.c
@@ -0,0 +1,156 @@
+/*
+ * arch/arm/mach-mv78xx0/addr-map.c
+ *
+ * Address map functions for Marvell MV78xx0 SoCs
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/mbus.h>
+#include <asm/io.h>
+#include "common.h"
+
+/*
+ * Generic Address Decode Windows bit settings
+ */
+#define TARGET_DDR 0
+#define TARGET_DEV_BUS 1
+#define TARGET_PCIE0 4
+#define TARGET_PCIE1 8
+#define TARGET_PCIE(i) ((i) ? TARGET_PCIE1 : TARGET_PCIE0)
+#define ATTR_DEV_SPI_ROM 0x1f
+#define ATTR_DEV_BOOT 0x2f
+#define ATTR_DEV_CS3 0x37
+#define ATTR_DEV_CS2 0x3b
+#define ATTR_DEV_CS1 0x3d
+#define ATTR_DEV_CS0 0x3e
+#define ATTR_PCIE_IO(l) (0xf0 & ~(0x10 << (l)))
+#define ATTR_PCIE_MEM(l) (0xf8 & ~(0x10 << (l)))
+
+/*
+ * Helpers to get DDR bank info
+ */
+#define DDR_BASE_CS_OFF(n) (0x0000 + ((n) << 3))
+#define DDR_SIZE_CS_OFF(n) (0x0004 + ((n) << 3))
+
+/*
+ * CPU Address Decode Windows registers
+ */
+#define WIN0_OFF(n) (BRIDGE_VIRT_BASE + 0x0000 + ((n) << 4))
+#define WIN8_OFF(n) (BRIDGE_VIRT_BASE + 0x0900 + (((n) - 8) << 4))
+#define WIN_CTRL_OFF 0x0000
+#define WIN_BASE_OFF 0x0004
+#define WIN_REMAP_LO_OFF 0x0008
+#define WIN_REMAP_HI_OFF 0x000c
+
+
+struct mbus_dram_target_info mv78xx0_mbus_dram_info;
+
+static void __init __iomem *win_cfg_base(int win)
+{
+ /*
+ * Find the control register base address for this window.
+ *
+ * BRIDGE_VIRT_BASE points to the right (CPU0's or CPU1's)
+ * MBUS bridge depending on which CPU core we're running on,
+ * so we don't need to take that into account here.
+ */
+
+ return (void __iomem *)((win < 8) ? WIN0_OFF(win) : WIN8_OFF(win));
+}
+
+static int __init cpu_win_can_remap(int win)
+{
+ if (win < 8)
+ return 1;
+
+ return 0;
+}
+
+static void __init setup_cpu_win(int win, u32 base, u32 size,
+ u8 target, u8 attr, int remap)
+{
+ void __iomem *addr = win_cfg_base(win);
+ u32 ctrl;
+
+ base &= 0xffff0000;
+ ctrl = ((size - 1) & 0xffff0000) | (attr << 8) | (target << 4) | 1;
+
+ writel(base, addr + WIN_BASE_OFF);
+ writel(ctrl, addr + WIN_CTRL_OFF);
+ if (cpu_win_can_remap(win)) {
+ if (remap < 0)
+ remap = base;
+
+ writel(remap & 0xffff0000, addr + WIN_REMAP_LO_OFF);
+ writel(0, addr + WIN_REMAP_HI_OFF);
+ }
+}
+
+void __init mv78xx0_setup_cpu_mbus(void)
+{
+ void __iomem *addr;
+ int i;
+ int cs;
+
+ /*
+ * First, disable and clear windows.
+ */
+ for (i = 0; i < 14; i++) {
+ addr = win_cfg_base(i);
+
+ writel(0, addr + WIN_BASE_OFF);
+ writel(0, addr + WIN_CTRL_OFF);
+ if (cpu_win_can_remap(i)) {
+ writel(0, addr + WIN_REMAP_LO_OFF);
+ writel(0, addr + WIN_REMAP_HI_OFF);
+ }
+ }
+
+ /*
+ * Setup MBUS dram target info.
+ */
+ mv78xx0_mbus_dram_info.mbus_dram_target_id = TARGET_DDR;
+
+ if (mv78xx0_core_index() == 0)
+ addr = (void __iomem *)DDR_WINDOW_CPU0_BASE;
+ else
+ addr = (void __iomem *)DDR_WINDOW_CPU1_BASE;
+
+ for (i = 0, cs = 0; i < 4; i++) {
+ u32 base = readl(addr + DDR_BASE_CS_OFF(i));
+ u32 size = readl(addr + DDR_SIZE_CS_OFF(i));
+
+ /*
+ * Chip select enabled?
+ */
+ if (size & 1) {
+ struct mbus_dram_window *w;
+
+ w = &mv78xx0_mbus_dram_info.cs[cs++];
+ w->cs_index = i;
+ w->mbus_attr = 0xf & ~(1 << i);
+ w->base = base & 0xffff0000;
+ w->size = (size | 0x0000ffff) + 1;
+ }
+ }
+ mv78xx0_mbus_dram_info.num_cs = cs;
+}
+
+void __init mv78xx0_setup_pcie_io_win(int window, u32 base, u32 size,
+ int maj, int min)
+{
+ setup_cpu_win(window, base, size, TARGET_PCIE(maj),
+ ATTR_PCIE_IO(min), -1);
+}
+
+void __init mv78xx0_setup_pcie_mem_win(int window, u32 base, u32 size,
+ int maj, int min)
+{
+ setup_cpu_win(window, base, size, TARGET_PCIE(maj),
+ ATTR_PCIE_MEM(min), -1);
+}
diff --git a/arch/arm/mach-mv78xx0/common.c b/arch/arm/mach-mv78xx0/common.c
new file mode 100644
index 00000000000..d27b83b7bf6
--- /dev/null
+++ b/arch/arm/mach-mv78xx0/common.c
@@ -0,0 +1,754 @@
+/*
+ * arch/arm/mach-mv78xx0/common.c
+ *
+ * Core functions for Marvell MV78xx0 SoCs
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/serial_8250.h>
+#include <linux/mbus.h>
+#include <linux/mv643xx_eth.h>
+#include <linux/ata_platform.h>
+#include <asm/mach/map.h>
+#include <asm/mach/time.h>
+#include <asm/arch/mv78xx0.h>
+#include <asm/plat-orion/cache-feroceon-l2.h>
+#include <asm/plat-orion/ehci-orion.h>
+#include <asm/plat-orion/orion_nand.h>
+#include <asm/plat-orion/time.h>
+#include "common.h"
+
+
+/*****************************************************************************
+ * Common bits
+ ****************************************************************************/
+int mv78xx0_core_index(void)
+{
+ u32 extra;
+
+ /*
+ * Read Extra Features register.
+ */
+ __asm__("mrc p15, 1, %0, c15, c1, 0" : "=r" (extra));
+
+ return !!(extra & 0x00004000);
+}
+
+static int get_hclk(void)
+{
+ int hclk;
+
+ /*
+ * HCLK tick rate is configured by DEV_D[7:5] pins.
+ */
+ switch ((readl(SAMPLE_AT_RESET_LOW) >> 5) & 7) {
+ case 0:
+ hclk = 166666667;
+ break;
+ case 1:
+ hclk = 200000000;
+ break;
+ case 2:
+ hclk = 266666667;
+ break;
+ case 3:
+ hclk = 333333333;
+ break;
+ case 4:
+ hclk = 400000000;
+ break;
+ default:
+ panic("unknown HCLK PLL setting: %.8x\n",
+ readl(SAMPLE_AT_RESET_LOW));
+ }
+
+ return hclk;
+}
+
+static void get_pclk_l2clk(int hclk, int core_index, int *pclk, int *l2clk)
+{
+ u32 cfg;
+
+ /*
+ * Core #0 PCLK/L2CLK is configured by bits [13:8], core #1
+ * PCLK/L2CLK by bits [19:14].
+ */
+ if (core_index == 0) {
+ cfg = (readl(SAMPLE_AT_RESET_LOW) >> 8) & 0x3f;
+ } else {
+ cfg = (readl(SAMPLE_AT_RESET_LOW) >> 14) & 0x3f;
+ }
+
+ /*
+ * Bits [11:8] ([17:14] for core #1) configure the PCLK:HCLK
+ * ratio (1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6).
+ */
+ *pclk = ((u64)hclk * (2 + (cfg & 0xf))) >> 1;
+
+ /*
+ * Bits [13:12] ([19:18] for core #1) configure the PCLK:L2CLK
+ * ratio (1, 2, 3).
+ */
+ *l2clk = *pclk / (((cfg >> 4) & 3) + 1);
+}
+
+static int get_tclk(void)
+{
+ int tclk;
+
+ /*
+ * TCLK tick rate is configured by DEV_A[2:0] strap pins.
+ */
+ switch ((readl(SAMPLE_AT_RESET_HIGH) >> 6) & 7) {
+ case 1:
+ tclk = 166666667;
+ break;
+ case 3:
+ tclk = 200000000;
+ break;
+ default:
+ panic("unknown TCLK PLL setting: %.8x\n",
+ readl(SAMPLE_AT_RESET_HIGH));
+ }
+
+ return tclk;
+}
+
+
+/*****************************************************************************
+ * I/O Address Mapping
+ ****************************************************************************/
+static struct map_desc mv78xx0_io_desc[] __initdata = {
+ {
+ .virtual = MV78XX0_CORE_REGS_VIRT_BASE,
+ .pfn = 0,
+ .length = MV78XX0_CORE_REGS_SIZE,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = MV78XX0_PCIE_IO_VIRT_BASE(0),
+ .pfn = __phys_to_pfn(MV78XX0_PCIE_IO_PHYS_BASE(0)),
+ .length = MV78XX0_PCIE_IO_SIZE * 8,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = MV78XX0_REGS_VIRT_BASE,
+ .pfn = __phys_to_pfn(MV78XX0_REGS_PHYS_BASE),
+ .length = MV78XX0_REGS_SIZE,
+ .type = MT_DEVICE,
+ },
+};
+
+void __init mv78xx0_map_io(void)
+{
+ unsigned long phys;
+
+ /*
+ * Map the right set of per-core registers depending on
+ * which core we are running on.
+ */
+ if (mv78xx0_core_index() == 0) {
+ phys = MV78XX0_CORE0_REGS_PHYS_BASE;
+ } else {
+ phys = MV78XX0_CORE1_REGS_PHYS_BASE;
+ }
+ mv78xx0_io_desc[0].pfn = __phys_to_pfn(phys);
+
+ iotable_init(mv78xx0_io_desc, ARRAY_SIZE(mv78xx0_io_desc));
+}
+
+
+/*****************************************************************************
+ * EHCI
+ ****************************************************************************/
+static struct orion_ehci_data mv78xx0_ehci_data = {
+ .dram = &mv78xx0_mbus_dram_info,
+};
+
+static u64 ehci_dmamask = 0xffffffffUL;
+
+
+/*****************************************************************************
+ * EHCI0
+ ****************************************************************************/
+static struct resource mv78xx0_ehci0_resources[] = {
+ {
+ .start = USB0_PHYS_BASE,
+ .end = USB0_PHYS_BASE + 0x0fff,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = IRQ_MV78XX0_USB_0,
+ .end = IRQ_MV78XX0_USB_0,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device mv78xx0_ehci0 = {
+ .name = "orion-ehci",
+ .id = 0,
+ .dev = {
+ .dma_mask = &ehci_dmamask,
+ .coherent_dma_mask = 0xffffffff,
+ .platform_data = &mv78xx0_ehci_data,
+ },
+ .resource = mv78xx0_ehci0_resources,
+ .num_resources = ARRAY_SIZE(mv78xx0_ehci0_resources),
+};
+
+void __init mv78xx0_ehci0_init(void)
+{
+ platform_device_register(&mv78xx0_ehci0);
+}
+
+
+/*****************************************************************************
+ * EHCI1
+ ****************************************************************************/
+static struct resource mv78xx0_ehci1_resources[] = {
+ {
+ .start = USB1_PHYS_BASE,
+ .end = USB1_PHYS_BASE + 0x0fff,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = IRQ_MV78XX0_USB_1,
+ .end = IRQ_MV78XX0_USB_1,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device mv78xx0_ehci1 = {
+ .name = "orion-ehci",
+ .id = 1,
+ .dev = {
+ .dma_mask = &ehci_dmamask,
+ .coherent_dma_mask = 0xffffffff,
+ .platform_data = &mv78xx0_ehci_data,
+ },
+ .resource = mv78xx0_ehci1_resources,
+ .num_resources = ARRAY_SIZE(mv78xx0_ehci1_resources),
+};
+
+void __init mv78xx0_ehci1_init(void)
+{
+ platform_device_register(&mv78xx0_ehci1);
+}
+
+
+/*****************************************************************************
+ * EHCI2
+ ****************************************************************************/
+static struct resource mv78xx0_ehci2_resources[] = {
+ {
+ .start = USB2_PHYS_BASE,
+ .end = USB2_PHYS_BASE + 0x0fff,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = IRQ_MV78XX0_USB_2,
+ .end = IRQ_MV78XX0_USB_2,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device mv78xx0_ehci2 = {
+ .name = "orion-ehci",
+ .id = 2,
+ .dev = {
+ .dma_mask = &ehci_dmamask,
+ .coherent_dma_mask = 0xffffffff,
+ .platform_data = &mv78xx0_ehci_data,
+ },
+ .resource = mv78xx0_ehci2_resources,
+ .num_resources = ARRAY_SIZE(mv78xx0_ehci2_resources),
+};
+
+void __init mv78xx0_ehci2_init(void)
+{
+ platform_device_register(&mv78xx0_ehci2);
+}
+
+
+/*****************************************************************************
+ * GE00
+ ****************************************************************************/
+struct mv643xx_eth_shared_platform_data mv78xx0_ge00_shared_data = {
+ .t_clk = 0,
+ .dram = &mv78xx0_mbus_dram_info,
+};
+
+static struct resource mv78xx0_ge00_shared_resources[] = {
+ {
+ .name = "ge00 base",
+ .start = GE00_PHYS_BASE + 0x2000,
+ .end = GE00_PHYS_BASE + 0x3fff,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct platform_device mv78xx0_ge00_shared = {
+ .name = MV643XX_ETH_SHARED_NAME,
+ .id = 0,
+ .dev = {
+ .platform_data = &mv78xx0_ge00_shared_data,
+ },
+ .num_resources = 1,
+ .resource = mv78xx0_ge00_shared_resources,
+};
+
+static struct resource mv78xx0_ge00_resources[] = {
+ {
+ .name = "ge00 irq",
+ .start = IRQ_MV78XX0_GE00_SUM,
+ .end = IRQ_MV78XX0_GE00_SUM,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device mv78xx0_ge00 = {
+ .name = MV643XX_ETH_NAME,
+ .id = 0,
+ .num_resources = 1,
+ .resource = mv78xx0_ge00_resources,
+};
+
+void __init mv78xx0_ge00_init(struct mv643xx_eth_platform_data *eth_data)
+{
+ eth_data->shared = &mv78xx0_ge00_shared;
+ mv78xx0_ge00.dev.platform_data = eth_data;
+
+ platform_device_register(&mv78xx0_ge00_shared);
+ platform_device_register(&mv78xx0_ge00);
+}
+
+
+/*****************************************************************************
+ * GE01
+ ****************************************************************************/
+struct mv643xx_eth_shared_platform_data mv78xx0_ge01_shared_data = {
+ .t_clk = 0,
+ .dram = &mv78xx0_mbus_dram_info,
+};
+
+static struct resource mv78xx0_ge01_shared_resources[] = {
+ {
+ .name = "ge01 base",
+ .start = GE01_PHYS_BASE + 0x2000,
+ .end = GE01_PHYS_BASE + 0x3fff,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct platform_device mv78xx0_ge01_shared = {
+ .name = MV643XX_ETH_SHARED_NAME,
+ .id = 1,
+ .dev = {
+ .platform_data = &mv78xx0_ge01_shared_data,
+ },
+ .num_resources = 1,
+ .resource = mv78xx0_ge01_shared_resources,
+};
+
+static struct resource mv78xx0_ge01_resources[] = {
+ {
+ .name = "ge01 irq",
+ .start = IRQ_MV78XX0_GE01_SUM,
+ .end = IRQ_MV78XX0_GE01_SUM,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device mv78xx0_ge01 = {
+ .name = MV643XX_ETH_NAME,
+ .id = 1,
+ .num_resources = 1,
+ .resource = mv78xx0_ge01_resources,
+};
+
+void __init mv78xx0_ge01_init(struct mv643xx_eth_platform_data *eth_data)
+{
+ eth_data->shared = &mv78xx0_ge01_shared;
+ eth_data->shared_smi = &mv78xx0_ge00_shared;
+ mv78xx0_ge01.dev.platform_data = eth_data;
+
+ platform_device_register(&mv78xx0_ge01_shared);
+ platform_device_register(&mv78xx0_ge01);
+}
+
+
+/*****************************************************************************
+ * GE10
+ ****************************************************************************/
+struct mv643xx_eth_shared_platform_data mv78xx0_ge10_shared_data = {
+ .t_clk = 0,
+ .dram = &mv78xx0_mbus_dram_info,
+};
+
+static struct resource mv78xx0_ge10_shared_resources[] = {
+ {
+ .name = "ge10 base",
+ .start = GE10_PHYS_BASE + 0x2000,
+ .end = GE10_PHYS_BASE + 0x3fff,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct platform_device mv78xx0_ge10_shared = {
+ .name = MV643XX_ETH_SHARED_NAME,
+ .id = 2,
+ .dev = {
+ .platform_data = &mv78xx0_ge10_shared_data,
+ },
+ .num_resources = 1,
+ .resource = mv78xx0_ge10_shared_resources,
+};
+
+static struct resource mv78xx0_ge10_resources[] = {
+ {
+ .name = "ge10 irq",
+ .start = IRQ_MV78XX0_GE10_SUM,
+ .end = IRQ_MV78XX0_GE10_SUM,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device mv78xx0_ge10 = {
+ .name = MV643XX_ETH_NAME,
+ .id = 2,
+ .num_resources = 1,
+ .resource = mv78xx0_ge10_resources,
+};
+
+void __init mv78xx0_ge10_init(struct mv643xx_eth_platform_data *eth_data)
+{
+ eth_data->shared = &mv78xx0_ge10_shared;
+ eth_data->shared_smi = &mv78xx0_ge00_shared;
+ mv78xx0_ge10.dev.platform_data = eth_data;
+
+ platform_device_register(&mv78xx0_ge10_shared);
+ platform_device_register(&mv78xx0_ge10);
+}
+
+
+/*****************************************************************************
+ * GE11
+ ****************************************************************************/
+struct mv643xx_eth_shared_platform_data mv78xx0_ge11_shared_data = {
+ .t_clk = 0,
+ .dram = &mv78xx0_mbus_dram_info,
+};
+
+static struct resource mv78xx0_ge11_shared_resources[] = {
+ {
+ .name = "ge11 base",
+ .start = GE11_PHYS_BASE + 0x2000,
+ .end = GE11_PHYS_BASE + 0x3fff,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct platform_device mv78xx0_ge11_shared = {
+ .name = MV643XX_ETH_SHARED_NAME,
+ .id = 3,
+ .dev = {
+ .platform_data = &mv78xx0_ge11_shared_data,
+ },
+ .num_resources = 1,
+ .resource = mv78xx0_ge11_shared_resources,
+};
+
+static struct resource mv78xx0_ge11_resources[] = {
+ {
+ .name = "ge11 irq",
+ .start = IRQ_MV78XX0_GE11_SUM,
+ .end = IRQ_MV78XX0_GE11_SUM,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device mv78xx0_ge11 = {
+ .name = MV643XX_ETH_NAME,
+ .id = 3,
+ .num_resources = 1,
+ .resource = mv78xx0_ge11_resources,
+};
+
+void __init mv78xx0_ge11_init(struct mv643xx_eth_platform_data *eth_data)
+{
+ eth_data->shared = &mv78xx0_ge11_shared;
+ eth_data->shared_smi = &mv78xx0_ge00_shared;
+ mv78xx0_ge11.dev.platform_data = eth_data;
+
+ platform_device_register(&mv78xx0_ge11_shared);
+ platform_device_register(&mv78xx0_ge11);
+}
+
+
+/*****************************************************************************
+ * SATA
+ ****************************************************************************/
+static struct resource mv78xx0_sata_resources[] = {
+ {
+ .name = "sata base",
+ .start = SATA_PHYS_BASE,
+ .end = SATA_PHYS_BASE + 0x5000 - 1,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .name = "sata irq",
+ .start = IRQ_MV78XX0_SATA,
+ .end = IRQ_MV78XX0_SATA,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device mv78xx0_sata = {
+ .name = "sata_mv",
+ .id = 0,
+ .dev = {
+ .coherent_dma_mask = 0xffffffff,
+ },
+ .num_resources = ARRAY_SIZE(mv78xx0_sata_resources),
+ .resource = mv78xx0_sata_resources,
+};
+
+void __init mv78xx0_sata_init(struct mv_sata_platform_data *sata_data)
+{
+ sata_data->dram = &mv78xx0_mbus_dram_info;
+ mv78xx0_sata.dev.platform_data = sata_data;
+ platform_device_register(&mv78xx0_sata);
+}
+
+
+/*****************************************************************************
+ * UART0
+ ****************************************************************************/
+static struct plat_serial8250_port mv78xx0_uart0_data[] = {
+ {
+ .mapbase = UART0_PHYS_BASE,
+ .membase = (char *)UART0_VIRT_BASE,
+ .irq = IRQ_MV78XX0_UART_0,
+ .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
+ .iotype = UPIO_MEM,
+ .regshift = 2,
+ .uartclk = 0,
+ }, {
+ },
+};
+
+static struct resource mv78xx0_uart0_resources[] = {
+ {
+ .start = UART0_PHYS_BASE,
+ .end = UART0_PHYS_BASE + 0xff,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = IRQ_MV78XX0_UART_0,
+ .end = IRQ_MV78XX0_UART_0,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device mv78xx0_uart0 = {
+ .name = "serial8250",
+ .id = 0,
+ .dev = {
+ .platform_data = mv78xx0_uart0_data,
+ },
+ .resource = mv78xx0_uart0_resources,
+ .num_resources = ARRAY_SIZE(mv78xx0_uart0_resources),
+};
+
+void __init mv78xx0_uart0_init(void)
+{
+ platform_device_register(&mv78xx0_uart0);
+}
+
+
+/*****************************************************************************
+ * UART1
+ ****************************************************************************/
+static struct plat_serial8250_port mv78xx0_uart1_data[] = {
+ {
+ .mapbase = UART1_PHYS_BASE,
+ .membase = (char *)UART1_VIRT_BASE,
+ .irq = IRQ_MV78XX0_UART_1,
+ .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
+ .iotype = UPIO_MEM,
+ .regshift = 2,
+ .uartclk = 0,
+ }, {
+ },
+};
+
+static struct resource mv78xx0_uart1_resources[] = {
+ {
+ .start = UART1_PHYS_BASE,
+ .end = UART1_PHYS_BASE + 0xff,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = IRQ_MV78XX0_UART_1,
+ .end = IRQ_MV78XX0_UART_1,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device mv78xx0_uart1 = {
+ .name = "serial8250",
+ .id = 1,
+ .dev = {
+ .platform_data = mv78xx0_uart1_data,
+ },
+ .resource = mv78xx0_uart1_resources,
+ .num_resources = ARRAY_SIZE(mv78xx0_uart1_resources),
+};
+
+void __init mv78xx0_uart1_init(void)
+{
+ platform_device_register(&mv78xx0_uart1);
+}
+
+
+/*****************************************************************************
+ * UART2
+ ****************************************************************************/
+static struct plat_serial8250_port mv78xx0_uart2_data[] = {
+ {
+ .mapbase = UART2_PHYS_BASE,
+ .membase = (char *)UART2_VIRT_BASE,
+ .irq = IRQ_MV78XX0_UART_2,
+ .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
+ .iotype = UPIO_MEM,
+ .regshift = 2,
+ .uartclk = 0,
+ }, {
+ },
+};
+
+static struct resource mv78xx0_uart2_resources[] = {
+ {
+ .start = UART2_PHYS_BASE,
+ .end = UART2_PHYS_BASE + 0xff,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = IRQ_MV78XX0_UART_2,
+ .end = IRQ_MV78XX0_UART_2,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device mv78xx0_uart2 = {
+ .name = "serial8250",
+ .id = 2,
+ .dev = {
+ .platform_data = mv78xx0_uart2_data,
+ },
+ .resource = mv78xx0_uart2_resources,
+ .num_resources = ARRAY_SIZE(mv78xx0_uart2_resources),
+};
+
+void __init mv78xx0_uart2_init(void)
+{
+ platform_device_register(&mv78xx0_uart2);
+}
+
+
+/*****************************************************************************
+ * UART3
+ ****************************************************************************/
+static struct plat_serial8250_port mv78xx0_uart3_data[] = {
+ {
+ .mapbase = UART3_PHYS_BASE,
+ .membase = (char *)UART3_VIRT_BASE,
+ .irq = IRQ_MV78XX0_UART_3,
+ .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
+ .iotype = UPIO_MEM,
+ .regshift = 2,
+ .uartclk = 0,
+ }, {
+ },
+};
+
+static struct resource mv78xx0_uart3_resources[] = {
+ {
+ .start = UART3_PHYS_BASE,
+ .end = UART3_PHYS_BASE + 0xff,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = IRQ_MV78XX0_UART_3,
+ .end = IRQ_MV78XX0_UART_3,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device mv78xx0_uart3 = {
+ .name = "serial8250",
+ .id = 3,
+ .dev = {
+ .platform_data = mv78xx0_uart3_data,
+ },
+ .resource = mv78xx0_uart3_resources,
+ .num_resources = ARRAY_SIZE(mv78xx0_uart3_resources),
+};
+
+void __init mv78xx0_uart3_init(void)
+{
+ platform_device_register(&mv78xx0_uart3);
+}
+
+
+/*****************************************************************************
+ * Time handling
+ ****************************************************************************/
+static void mv78xx0_timer_init(void)
+{
+ orion_time_init(IRQ_MV78XX0_TIMER_1, get_tclk());
+}
+
+struct sys_timer mv78xx0_timer = {
+ .init = mv78xx0_timer_init,
+};
+
+
+/*****************************************************************************
+ * General
+ ****************************************************************************/
+static int __init is_l2_writethrough(void)
+{
+ return !!(readl(CPU_CONTROL) & L2_WRITETHROUGH);
+}
+
+void __init mv78xx0_init(void)
+{
+ int core_index;
+ int hclk;
+ int pclk;
+ int l2clk;
+ int tclk;
+
+ core_index = mv78xx0_core_index();
+ hclk = get_hclk();
+ get_pclk_l2clk(hclk, core_index, &pclk, &l2clk);
+ tclk = get_tclk();
+
+ printk(KERN_INFO "MV78xx0 core #%d, ", core_index);
+ printk("PCLK = %dMHz, ", (pclk + 499999) / 1000000);
+ printk("L2 = %dMHz, ", (l2clk + 499999) / 1000000);
+ printk("HCLK = %dMHz, ", (hclk + 499999) / 1000000);
+ printk("TCLK = %dMHz\n", (tclk + 499999) / 1000000);
+
+ mv78xx0_setup_cpu_mbus();
+
+#ifdef CONFIG_CACHE_FEROCEON_L2
+ feroceon_l2_init(is_l2_writethrough());
+#endif
+
+ mv78xx0_ge00_shared_data.t_clk = tclk;
+ mv78xx0_ge01_shared_data.t_clk = tclk;
+ mv78xx0_ge10_shared_data.t_clk = tclk;
+ mv78xx0_ge11_shared_data.t_clk = tclk;
+ mv78xx0_uart0_data[0].uartclk = tclk;
+ mv78xx0_uart1_data[0].uartclk = tclk;
+ mv78xx0_uart2_data[0].uartclk = tclk;
+ mv78xx0_uart3_data[0].uartclk = tclk;
+}
diff --git a/arch/arm/mach-mv78xx0/common.h b/arch/arm/mach-mv78xx0/common.h
new file mode 100644
index 00000000000..78af5de319d
--- /dev/null
+++ b/arch/arm/mach-mv78xx0/common.h
@@ -0,0 +1,49 @@
+/*
+ * arch/arm/mach-mv78xx0/common.h
+ *
+ * Core functions for Marvell MV78xx0 SoCs
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#ifndef __ARCH_MV78XX0_COMMON_H
+#define __ARCH_MV78XX0_COMMON_H
+
+struct mv643xx_eth_platform_data;
+struct mv_sata_platform_data;
+
+/*
+ * Basic MV78xx0 init functions used early by machine-setup.
+ */
+int mv78xx0_core_index(void);
+void mv78xx0_map_io(void);
+void mv78xx0_init(void);
+void mv78xx0_init_irq(void);
+
+extern struct mbus_dram_target_info mv78xx0_mbus_dram_info;
+void mv78xx0_setup_cpu_mbus(void);
+void mv78xx0_setup_pcie_io_win(int window, u32 base, u32 size,
+ int maj, int min);
+void mv78xx0_setup_pcie_mem_win(int window, u32 base, u32 size,
+ int maj, int min);
+
+void mv78xx0_ehci0_init(void);
+void mv78xx0_ehci1_init(void);
+void mv78xx0_ehci2_init(void);
+void mv78xx0_ge00_init(struct mv643xx_eth_platform_data *eth_data);
+void mv78xx0_ge01_init(struct mv643xx_eth_platform_data *eth_data);
+void mv78xx0_ge10_init(struct mv643xx_eth_platform_data *eth_data);
+void mv78xx0_ge11_init(struct mv643xx_eth_platform_data *eth_data);
+void mv78xx0_pcie_init(int init_port0, int init_port1);
+void mv78xx0_sata_init(struct mv_sata_platform_data *sata_data);
+void mv78xx0_uart0_init(void);
+void mv78xx0_uart1_init(void);
+void mv78xx0_uart2_init(void);
+void mv78xx0_uart3_init(void);
+
+extern struct sys_timer mv78xx0_timer;
+
+
+#endif
diff --git a/arch/arm/mach-mv78xx0/db78x00-bp-setup.c b/arch/arm/mach-mv78xx0/db78x00-bp-setup.c
new file mode 100644
index 00000000000..0c93d19193d
--- /dev/null
+++ b/arch/arm/mach-mv78xx0/db78x00-bp-setup.c
@@ -0,0 +1,94 @@
+/*
+ * arch/arm/mach-mv78xx0/db78x00-bp-setup.c
+ *
+ * Marvell DB-78x00-BP Development Board Setup
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/ata_platform.h>
+#include <linux/mv643xx_eth.h>
+#include <asm/arch/mv78xx0.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include "common.h"
+
+static struct mv643xx_eth_platform_data db78x00_ge00_data = {
+ .phy_addr = 8,
+};
+
+static struct mv643xx_eth_platform_data db78x00_ge01_data = {
+ .phy_addr = 9,
+};
+
+static struct mv643xx_eth_platform_data db78x00_ge10_data = {
+ .phy_addr = -1,
+};
+
+static struct mv643xx_eth_platform_data db78x00_ge11_data = {
+ .phy_addr = -1,
+};
+
+static struct mv_sata_platform_data db78x00_sata_data = {
+ .n_ports = 2,
+};
+
+static void __init db78x00_init(void)
+{
+ /*
+ * Basic MV78xx0 setup. Needs to be called early.
+ */
+ mv78xx0_init();
+
+ /*
+ * Partition on-chip peripherals between the two CPU cores.
+ */
+ if (mv78xx0_core_index() == 0) {
+ mv78xx0_ehci0_init();
+ mv78xx0_ehci1_init();
+ mv78xx0_ehci2_init();
+ mv78xx0_ge00_init(&db78x00_ge00_data);
+ mv78xx0_ge01_init(&db78x00_ge01_data);
+ mv78xx0_ge10_init(&db78x00_ge10_data);
+ mv78xx0_ge11_init(&db78x00_ge11_data);
+ mv78xx0_sata_init(&db78x00_sata_data);
+ mv78xx0_uart0_init();
+ mv78xx0_uart2_init();
+ } else {
+ mv78xx0_uart1_init();
+ mv78xx0_uart3_init();
+ }
+}
+
+static int __init db78x00_pci_init(void)
+{
+ if (machine_is_db78x00_bp()) {
+ /*
+ * Assign the x16 PCIe slot on the board to CPU core
+ * #0, and let CPU core #1 have the four x1 slots.
+ */
+ if (mv78xx0_core_index() == 0)
+ mv78xx0_pcie_init(0, 1);
+ else
+ mv78xx0_pcie_init(1, 0);
+ }
+
+ return 0;
+}
+subsys_initcall(db78x00_pci_init);
+
+MACHINE_START(DB78X00_BP, "Marvell DB-78x00-BP Development Board")
+ /* Maintainer: Lennert Buytenhek <buytenh@marvell.com> */
+ .phys_io = MV78XX0_REGS_PHYS_BASE,
+ .io_pg_offst = ((MV78XX0_REGS_VIRT_BASE) >> 18) & 0xfffc,
+ .boot_params = 0x00000100,
+ .init_machine = db78x00_init,
+ .map_io = mv78xx0_map_io,
+ .init_irq = mv78xx0_init_irq,
+ .timer = &mv78xx0_timer,
+MACHINE_END
diff --git a/arch/arm/mach-mv78xx0/irq.c b/arch/arm/mach-mv78xx0/irq.c
new file mode 100644
index 00000000000..60f4ee4d453
--- /dev/null
+++ b/arch/arm/mach-mv78xx0/irq.c
@@ -0,0 +1,22 @@
+/*
+ * arch/arm/mach-mv78xx0/irq.c
+ *
+ * MV78xx0 IRQ handling.
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/pci.h>
+#include <asm/arch/mv78xx0.h>
+#include <asm/plat-orion/irq.h>
+#include "common.h"
+
+void __init mv78xx0_init_irq(void)
+{
+ orion_irq_init(0, (void __iomem *)(IRQ_VIRT_BASE + IRQ_MASK_LOW_OFF));
+ orion_irq_init(32, (void __iomem *)(IRQ_VIRT_BASE + IRQ_MASK_HIGH_OFF));
+}
diff --git a/arch/arm/mach-mv78xx0/pcie.c b/arch/arm/mach-mv78xx0/pcie.c
new file mode 100644
index 00000000000..b78e1443159
--- /dev/null
+++ b/arch/arm/mach-mv78xx0/pcie.c
@@ -0,0 +1,312 @@
+/*
+ * arch/arm/mach-mv78xx0/pcie.c
+ *
+ * PCIe functions for Marvell MV78xx0 SoCs
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/kernel.h>
+#include <linux/pci.h>
+#include <linux/mbus.h>
+#include <asm/mach/pci.h>
+#include <asm/plat-orion/pcie.h>
+#include "common.h"
+
+struct pcie_port {
+ u8 maj;
+ u8 min;
+ u8 root_bus_nr;
+ void __iomem *base;
+ spinlock_t conf_lock;
+ char io_space_name[16];
+ char mem_space_name[16];
+ struct resource res[2];
+};
+
+static struct pcie_port pcie_port[8];
+static int num_pcie_ports;
+static struct resource pcie_io_space;
+static struct resource pcie_mem_space;
+
+
+static void __init mv78xx0_pcie_preinit(void)
+{
+ int i;
+ u32 size_each;
+ u32 start;
+ int win;
+
+ pcie_io_space.name = "PCIe I/O Space";
+ pcie_io_space.start = MV78XX0_PCIE_IO_PHYS_BASE(0);
+ pcie_io_space.end =
+ MV78XX0_PCIE_IO_PHYS_BASE(0) + MV78XX0_PCIE_IO_SIZE * 8 - 1;
+ pcie_io_space.flags = IORESOURCE_IO;
+ if (request_resource(&iomem_resource, &pcie_io_space))
+ panic("can't allocate PCIe I/O space");
+
+ pcie_mem_space.name = "PCIe MEM Space";
+ pcie_mem_space.start = MV78XX0_PCIE_MEM_PHYS_BASE;
+ pcie_mem_space.end =
+ MV78XX0_PCIE_MEM_PHYS_BASE + MV78XX0_PCIE_MEM_SIZE - 1;
+ pcie_mem_space.flags = IORESOURCE_MEM;
+ if (request_resource(&iomem_resource, &pcie_mem_space))
+ panic("can't allocate PCIe MEM space");
+
+ for (i = 0; i < num_pcie_ports; i++) {
+ struct pcie_port *pp = pcie_port + i;
+
+ snprintf(pp->io_space_name, sizeof(pp->io_space_name),
+ "PCIe %d.%d I/O", pp->maj, pp->min);
+ pp->io_space_name[sizeof(pp->io_space_name) - 1] = 0;
+ pp->res[0].name = pp->io_space_name;
+ pp->res[0].start = MV78XX0_PCIE_IO_PHYS_BASE(i);
+ pp->res[0].end = pp->res[0].start + MV78XX0_PCIE_IO_SIZE - 1;
+ pp->res[0].flags = IORESOURCE_IO;
+
+ snprintf(pp->mem_space_name, sizeof(pp->mem_space_name),
+ "PCIe %d.%d MEM", pp->maj, pp->min);
+ pp->mem_space_name[sizeof(pp->mem_space_name) - 1] = 0;
+ pp->res[1].name = pp->mem_space_name;
+ pp->res[1].flags = IORESOURCE_MEM;
+ }
+
+ switch (num_pcie_ports) {
+ case 0:
+ size_each = 0;
+ break;
+
+ case 1:
+ size_each = 0x30000000;
+ break;
+
+ case 2 ... 3:
+ size_each = 0x10000000;
+ break;
+
+ case 4 ... 6:
+ size_each = 0x08000000;
+ break;
+
+ case 7:
+ size_each = 0x04000000;
+ break;
+
+ default:
+ panic("invalid number of PCIe ports");
+ }
+
+ start = MV78XX0_PCIE_MEM_PHYS_BASE;
+ for (i = 0; i < num_pcie_ports; i++) {
+ struct pcie_port *pp = pcie_port + i;
+
+ pp->res[1].start = start;
+ pp->res[1].end = start + size_each - 1;
+ start += size_each;
+ }
+
+ for (i = 0; i < num_pcie_ports; i++) {
+ struct pcie_port *pp = pcie_port + i;
+
+ if (request_resource(&pcie_io_space, &pp->res[0]))
+ panic("can't allocate PCIe I/O sub-space");
+
+ if (request_resource(&pcie_mem_space, &pp->res[1]))
+ panic("can't allocate PCIe MEM sub-space");
+ }
+
+ win = 0;
+ for (i = 0; i < num_pcie_ports; i++) {
+ struct pcie_port *pp = pcie_port + i;
+
+ mv78xx0_setup_pcie_io_win(win++, pp->res[0].start,
+ pp->res[0].end - pp->res[0].start + 1,
+ pp->maj, pp->min);
+
+ mv78xx0_setup_pcie_mem_win(win++, pp->res[1].start,
+ pp->res[1].end - pp->res[1].start + 1,
+ pp->maj, pp->min);
+ }
+}
+
+static int __init mv78xx0_pcie_setup(int nr, struct pci_sys_data *sys)
+{
+ struct pcie_port *pp;
+
+ if (nr >= num_pcie_ports)
+ return 0;
+
+ pp = &pcie_port[nr];
+ pp->root_bus_nr = sys->busnr;
+
+ /*
+ * Generic PCIe unit setup.
+ */
+ orion_pcie_set_local_bus_nr(pp->base, sys->busnr);
+ orion_pcie_setup(pp->base, &mv78xx0_mbus_dram_info);
+
+ sys->resource[0] = &pp->res[0];
+ sys->resource[1] = &pp->res[1];
+ sys->resource[2] = NULL;
+
+ return 1;
+}
+
+static struct pcie_port *bus_to_port(int bus)
+{
+ int i;
+
+ for (i = num_pcie_ports - 1; i >= 0; i--) {
+ int rbus = pcie_port[i].root_bus_nr;
+ if (rbus != -1 && rbus <= bus)
+ break;
+ }
+
+ return i >= 0 ? pcie_port + i : NULL;
+}
+
+static int pcie_valid_config(struct pcie_port *pp, int bus, int dev)
+{
+ /*
+ * Don't go out when trying to access nonexisting devices
+ * on the local bus.
+ */
+ if (bus == pp->root_bus_nr && dev > 1)
+ return 0;
+
+ return 1;
+}
+
+static int pcie_rd_conf(struct pci_bus *bus, u32 devfn, int where,
+ int size, u32 *val)
+{
+ struct pcie_port *pp = bus_to_port(bus->number);
+ unsigned long flags;
+ int ret;
+
+ if (pcie_valid_config(pp, bus->number, PCI_SLOT(devfn)) == 0) {
+ *val = 0xffffffff;
+ return PCIBIOS_DEVICE_NOT_FOUND;
+ }
+
+ spin_lock_irqsave(&pp->conf_lock, flags);
+ ret = orion_pcie_rd_conf(pp->base, bus, devfn, where, size, val);
+ spin_unlock_irqrestore(&pp->conf_lock, flags);
+
+ return ret;
+}
+
+static int pcie_wr_conf(struct pci_bus *bus, u32 devfn,
+ int where, int size, u32 val)
+{
+ struct pcie_port *pp = bus_to_port(bus->number);
+ unsigned long flags;
+ int ret;
+
+ if (pcie_valid_config(pp, bus->number, PCI_SLOT(devfn)) == 0)
+ return PCIBIOS_DEVICE_NOT_FOUND;
+
+ spin_lock_irqsave(&pp->conf_lock, flags);
+ ret = orion_pcie_wr_conf(pp->base, bus, devfn, where, size, val);
+ spin_unlock_irqrestore(&pp->conf_lock, flags);
+
+ return ret;
+}
+
+static struct pci_ops pcie_ops = {
+ .read = pcie_rd_conf,
+ .write = pcie_wr_conf,
+};
+
+static void __devinit rc_pci_fixup(struct pci_dev *dev)
+{
+ /*
+ * Prevent enumeration of root complex.
+ */
+ if (dev->bus->parent == NULL && dev->devfn == 0) {
+ int i;
+
+ for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) {
+ dev->resource[i].start = 0;
+ dev->resource[i].end = 0;
+ dev->resource[i].flags = 0;
+ }
+ }
+}
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL, PCI_ANY_ID, rc_pci_fixup);
+
+static struct pci_bus __init *
+mv78xx0_pcie_scan_bus(int nr, struct pci_sys_data *sys)
+{
+ struct pci_bus *bus;
+
+ if (nr < num_pcie_ports) {
+ bus = pci_scan_bus(sys->busnr, &pcie_ops, sys);
+ } else {
+ bus = NULL;
+ BUG();
+ }
+
+ return bus;
+}
+
+static int __init mv78xx0_pcie_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+ struct pcie_port *pp = bus_to_port(dev->bus->number);
+
+ return IRQ_MV78XX0_PCIE_00 + (pp->maj << 2) + pp->min;
+}
+
+static struct hw_pci mv78xx0_pci __initdata = {
+ .nr_controllers = 8,
+ .preinit = mv78xx0_pcie_preinit,
+ .swizzle = pci_std_swizzle,
+ .setup = mv78xx0_pcie_setup,
+ .scan = mv78xx0_pcie_scan_bus,
+ .map_irq = mv78xx0_pcie_map_irq,
+};
+
+static void __init add_pcie_port(int maj, int min, unsigned long base)
+{
+ printk(KERN_INFO "MV78xx0 PCIe port %d.%d: ", maj, min);
+
+ if (orion_pcie_link_up((void __iomem *)base)) {
+ struct pcie_port *pp = &pcie_port[num_pcie_ports++];
+
+ printk("link up\n");
+
+ pp->maj = maj;
+ pp->min = min;
+ pp->root_bus_nr = -1;
+ pp->base = (void __iomem *)base;
+ spin_lock_init(&pp->conf_lock);
+ memset(pp->res, 0, sizeof(pp->res));
+ } else {
+ printk("link down, ignoring\n");
+ }
+}
+
+void __init mv78xx0_pcie_init(int init_port0, int init_port1)
+{
+ if (init_port0) {
+ add_pcie_port(0, 0, PCIE00_VIRT_BASE);
+ if (!orion_pcie_x4_mode((void __iomem *)PCIE00_VIRT_BASE)) {
+ add_pcie_port(0, 1, PCIE01_VIRT_BASE);
+ add_pcie_port(0, 2, PCIE02_VIRT_BASE);
+ add_pcie_port(0, 3, PCIE03_VIRT_BASE);
+ }
+ }
+
+ if (init_port1) {
+ add_pcie_port(1, 0, PCIE10_VIRT_BASE);
+ if (!orion_pcie_x4_mode((void __iomem *)PCIE10_VIRT_BASE)) {
+ add_pcie_port(1, 1, PCIE11_VIRT_BASE);
+ add_pcie_port(1, 2, PCIE12_VIRT_BASE);
+ add_pcie_port(1, 3, PCIE13_VIRT_BASE);
+ }
+ }
+
+ pci_common_init(&mv78xx0_pci);
+}
diff --git a/arch/arm/mach-mx2/Kconfig b/arch/arm/mach-mx2/Kconfig
new file mode 100644
index 00000000000..1eaa97cb716
--- /dev/null
+++ b/arch/arm/mach-mx2/Kconfig
@@ -0,0 +1,39 @@
+comment "MX2 family CPU support"
+ depends on ARCH_MX2
+
+config MACH_MX27
+ bool "i.MX27 support"
+ depends on ARCH_MX2
+ help
+ This enables support for Freescale's MX2 based i.MX27 processor.
+
+comment "MX2 Platforms"
+ depends on ARCH_MX2
+
+config MACH_MX27ADS
+ bool "MX27ADS platform"
+ depends on MACH_MX27
+ help
+ Include support for MX27ADS platform. This includes specific
+ configurations for the board and its peripherals.
+
+config MACH_PCM038
+ bool "Phytec phyCORE-i.MX27 CPU module (pcm038)"
+ depends on MACH_MX27
+ help
+ Include support for phyCORE-i.MX27 (aka pcm038) platform. This
+ includes specific configurations for the module and its peripherals.
+
+choice
+ prompt "Baseboard"
+ depends on MACH_PCM038
+ default MACH_PCM970_BASEBOARD
+
+config MACH_PCM970_BASEBOARD
+ prompt "PHYTEC PCM970 development board"
+ bool
+ help
+ This adds board specific devices that can be found on Phytec's
+ PCM970 evaluation board.
+
+endchoice
diff --git a/arch/arm/mach-mx2/Makefile b/arch/arm/mach-mx2/Makefile
new file mode 100644
index 00000000000..382d86080e8
--- /dev/null
+++ b/arch/arm/mach-mx2/Makefile
@@ -0,0 +1,14 @@
+#
+# Makefile for the linux kernel.
+#
+
+# Object file lists.
+
+obj-y := system.o generic.o devices.o serial.o
+
+obj-$(CONFIG_MACH_MX27) += cpu_imx27.o
+obj-$(CONFIG_MACH_MX27) += clock_imx27.o
+
+obj-$(CONFIG_MACH_MX27ADS) += mx27ads.o
+obj-$(CONFIG_MACH_PCM038) += pcm038.o
+obj-$(CONFIG_MACH_PCM970_BASEBOARD) += pcm970-baseboard.o
diff --git a/arch/arm/mach-mx2/Makefile.boot b/arch/arm/mach-mx2/Makefile.boot
new file mode 100644
index 00000000000..696831dcd48
--- /dev/null
+++ b/arch/arm/mach-mx2/Makefile.boot
@@ -0,0 +1,3 @@
+ zreladdr-y := 0xA0008000
+params_phys-y := 0xA0000100
+initrd_phys-y := 0xA0800000
diff --git a/arch/arm/mach-mx2/clock_imx27.c b/arch/arm/mach-mx2/clock_imx27.c
new file mode 100644
index 00000000000..0a29ef29c73
--- /dev/null
+++ b/arch/arm/mach-mx2/clock_imx27.c
@@ -0,0 +1,1626 @@
+/*
+ * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2008 Juergen Beisert, kernel@pengutronix.de
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/spinlock.h>
+
+#include <asm/arch/clock.h>
+#include <asm/arch/common.h>
+#include <asm/div64.h>
+#include <asm/mach-types.h>
+
+#include "crm_regs.h"
+
+static struct clk ckil_clk;
+static struct clk mpll_clk;
+static struct clk mpll_main_clk[];
+static struct clk spll_clk;
+
+static int _clk_enable(struct clk *clk)
+{
+ unsigned long reg;
+
+ reg = __raw_readl(clk->enable_reg);
+ reg |= 1 << clk->enable_shift;
+ __raw_writel(reg, clk->enable_reg);
+
+ return 0;
+}
+
+static void _clk_disable(struct clk *clk)
+{
+ unsigned long reg;
+
+ reg = __raw_readl(clk->enable_reg);
+ reg &= ~(1 << clk->enable_shift);
+ __raw_writel(reg, clk->enable_reg);
+}
+
+static int _clk_spll_enable(struct clk *clk)
+{
+ unsigned long reg;
+
+ reg = __raw_readl(CCM_CSCR);
+ reg |= CCM_CSCR_SPEN;
+ __raw_writel(reg, CCM_CSCR);
+
+ while ((__raw_readl(CCM_SPCTL1) & CCM_SPCTL1_LF) == 0)
+ ;
+
+ return 0;
+}
+
+static void _clk_spll_disable(struct clk *clk)
+{
+ unsigned long reg;
+
+ reg = __raw_readl(CCM_CSCR);
+ reg &= ~CCM_CSCR_SPEN;
+ __raw_writel(reg, CCM_CSCR);
+}
+
+static void _clk_pccr01_enable(unsigned long mask0, unsigned long mask1)
+{
+ unsigned long reg;
+
+ reg = __raw_readl(CCM_PCCR0);
+ reg |= mask0;
+ __raw_writel(reg, CCM_PCCR0);
+
+ reg = __raw_readl(CCM_PCCR1);
+ reg |= mask1;
+ __raw_writel(reg, CCM_PCCR1);
+
+}
+
+static void _clk_pccr01_disable(unsigned long mask0, unsigned long mask1)
+{
+ unsigned long reg;
+
+ reg = __raw_readl(CCM_PCCR0);
+ reg &= ~mask0;
+ __raw_writel(reg, CCM_PCCR0);
+
+ reg = __raw_readl(CCM_PCCR1);
+ reg &= ~mask1;
+ __raw_writel(reg, CCM_PCCR1);
+}
+
+static void _clk_pccr10_enable(unsigned long mask1, unsigned long mask0)
+{
+ unsigned long reg;
+
+ reg = __raw_readl(CCM_PCCR1);
+ reg |= mask1;
+ __raw_writel(reg, CCM_PCCR1);
+
+ reg = __raw_readl(CCM_PCCR0);
+ reg |= mask0;
+ __raw_writel(reg, CCM_PCCR0);
+}
+
+static void _clk_pccr10_disable(unsigned long mask1, unsigned long mask0)
+{
+ unsigned long reg;
+
+ reg = __raw_readl(CCM_PCCR1);
+ reg &= ~mask1;
+ __raw_writel(reg, CCM_PCCR1);
+
+ reg = __raw_readl(CCM_PCCR0);
+ reg &= ~mask0;
+ __raw_writel(reg, CCM_PCCR0);
+}
+
+static int _clk_dma_enable(struct clk *clk)
+{
+ _clk_pccr01_enable(CCM_PCCR0_DMA_MASK, CCM_PCCR1_HCLK_DMA_MASK);
+
+ return 0;
+}
+
+static void _clk_dma_disable(struct clk *clk)
+{
+ _clk_pccr01_disable(CCM_PCCR0_DMA_MASK, CCM_PCCR1_HCLK_DMA_MASK);
+}
+
+static int _clk_rtic_enable(struct clk *clk)
+{
+ _clk_pccr01_enable(CCM_PCCR0_RTIC_MASK, CCM_PCCR1_HCLK_RTIC_MASK);
+
+ return 0;
+}
+
+static void _clk_rtic_disable(struct clk *clk)
+{
+ _clk_pccr01_disable(CCM_PCCR0_RTIC_MASK, CCM_PCCR1_HCLK_RTIC_MASK);
+}
+
+static int _clk_emma_enable(struct clk *clk)
+{
+ _clk_pccr01_enable(CCM_PCCR0_EMMA_MASK, CCM_PCCR1_HCLK_EMMA_MASK);
+
+ return 0;
+}
+
+static void _clk_emma_disable(struct clk *clk)
+{
+ _clk_pccr01_disable(CCM_PCCR0_EMMA_MASK, CCM_PCCR1_HCLK_EMMA_MASK);
+}
+
+static int _clk_slcdc_enable(struct clk *clk)
+{
+ _clk_pccr01_enable(CCM_PCCR0_SLCDC_MASK, CCM_PCCR1_HCLK_SLCDC_MASK);
+
+ return 0;
+}
+
+static void _clk_slcdc_disable(struct clk *clk)
+{
+ _clk_pccr01_disable(CCM_PCCR0_SLCDC_MASK, CCM_PCCR1_HCLK_SLCDC_MASK);
+}
+
+static int _clk_fec_enable(struct clk *clk)
+{
+ _clk_pccr01_enable(CCM_PCCR0_FEC_MASK, CCM_PCCR1_HCLK_FEC_MASK);
+
+ return 0;
+}
+
+static void _clk_fec_disable(struct clk *clk)
+{
+ _clk_pccr01_disable(CCM_PCCR0_FEC_MASK, CCM_PCCR1_HCLK_FEC_MASK);
+}
+
+static int _clk_vpu_enable(struct clk *clk)
+{
+ unsigned long reg;
+
+ reg = __raw_readl(CCM_PCCR1);
+ reg |= CCM_PCCR1_VPU_BAUD_MASK | CCM_PCCR1_HCLK_VPU_MASK;
+ __raw_writel(reg, CCM_PCCR1);
+
+ return 0;
+}
+
+static void _clk_vpu_disable(struct clk *clk)
+{
+ unsigned long reg;
+
+ reg = __raw_readl(CCM_PCCR1);
+ reg &= ~(CCM_PCCR1_VPU_BAUD_MASK | CCM_PCCR1_HCLK_VPU_MASK);
+ __raw_writel(reg, CCM_PCCR1);
+}
+
+static int _clk_sahara2_enable(struct clk *clk)
+{
+ _clk_pccr01_enable(CCM_PCCR0_SAHARA_MASK, CCM_PCCR1_HCLK_SAHARA_MASK);
+
+ return 0;
+}
+
+static void _clk_sahara2_disable(struct clk *clk)
+{
+ _clk_pccr01_disable(CCM_PCCR0_SAHARA_MASK, CCM_PCCR1_HCLK_SAHARA_MASK);
+}
+
+static int _clk_mstick1_enable(struct clk *clk)
+{
+ _clk_pccr10_enable(CCM_PCCR1_MSHC_BAUD_MASK, CCM_PCCR0_MSHC_MASK);
+
+ return 0;
+}
+
+static void _clk_mstick1_disable(struct clk *clk)
+{
+ _clk_pccr10_disable(CCM_PCCR1_MSHC_BAUD_MASK, CCM_PCCR0_MSHC_MASK);
+}
+
+#define CSCR() (__raw_readl(CCM_CSCR))
+#define PCDR0() (__raw_readl(CCM_PCDR0))
+#define PCDR1() (__raw_readl(CCM_PCDR1))
+
+static int _clk_cpu_set_parent(struct clk *clk, struct clk *parent)
+{
+ int cscr = CSCR();
+
+ if (clk->parent == parent)
+ return 0;
+
+ if (mx27_revision() >= CHIP_REV_2_0) {
+ if (parent == &mpll_main_clk[0]) {
+ cscr |= CCM_CSCR_ARM_SRC;
+ } else {
+ if (parent == &mpll_main_clk[1])
+ cscr &= ~CCM_CSCR_ARM_SRC;
+ else
+ return -EINVAL;
+ }
+ __raw_writel(cscr, CCM_CSCR);
+ } else
+ return -ENODEV;
+
+ clk->parent = parent;
+ return 0;
+}
+
+static unsigned long _clk_cpu_round_rate(struct clk *clk, unsigned long rate)
+{
+ int div;
+ unsigned long parent_rate;
+
+ parent_rate = clk_get_rate(clk->parent);
+
+ div = parent_rate / rate;
+ if (parent_rate % rate)
+ div++;
+
+ if (div > 4)
+ div = 4;
+
+ return parent_rate / div;
+}
+
+static int _clk_cpu_set_rate(struct clk *clk, unsigned long rate)
+{
+ unsigned int div;
+ uint32_t reg;
+ unsigned long parent_rate;
+
+ parent_rate = clk_get_rate(clk->parent);
+
+ div = parent_rate / rate;
+
+ if (div > 4 || div < 1 || ((parent_rate / div) != rate))
+ return -EINVAL;
+
+ div--;
+
+ reg = __raw_readl(CCM_CSCR);
+ if (mx27_revision() >= CHIP_REV_2_0) {
+ reg &= ~CCM_CSCR_ARM_MASK;
+ reg |= div << CCM_CSCR_ARM_OFFSET;
+ reg &= ~0x06;
+ __raw_writel(reg | 0x80000000, CCM_CSCR);
+ } else {
+ printk(KERN_ERR "Cant set CPU frequency!\n");
+ }
+
+ return 0;
+}
+
+static unsigned long _clk_perclkx_round_rate(struct clk *clk,
+ unsigned long rate)
+{
+ u32 div;
+ unsigned long parent_rate;
+
+ parent_rate = clk_get_rate(clk->parent);
+
+ div = parent_rate / rate;
+ if (parent_rate % rate)
+ div++;
+
+ if (div > 64)
+ div = 64;
+
+ return parent_rate / div;
+}
+
+static int _clk_perclkx_set_rate(struct clk *clk, unsigned long rate)
+{
+ u32 reg;
+ u32 div;
+ unsigned long parent_rate;
+
+ parent_rate = clk_get_rate(clk->parent);
+
+ if (clk->id < 0 || clk->id > 3)
+ return -EINVAL;
+
+ div = parent_rate / rate;
+ if (div > 64 || div < 1 || ((parent_rate / div) != rate))
+ return -EINVAL;
+ div--;
+
+ reg =
+ __raw_readl(CCM_PCDR1) & ~(CCM_PCDR1_PERDIV1_MASK <<
+ (clk->id << 3));
+ reg |= div << (clk->id << 3);
+ __raw_writel(reg, CCM_PCDR1);
+
+ return 0;
+}
+
+static unsigned long _clk_usb_recalc(struct clk *clk)
+{
+ unsigned long usb_pdf;
+ unsigned long parent_rate;
+
+ parent_rate = clk_get_rate(clk->parent);
+
+ usb_pdf = (CSCR() & CCM_CSCR_USB_MASK) >> CCM_CSCR_USB_OFFSET;
+
+ return parent_rate / (usb_pdf + 1U);
+}
+
+static unsigned long _clk_ssi1_recalc(struct clk *clk)
+{
+ unsigned long ssi1_pdf;
+ unsigned long parent_rate;
+
+ parent_rate = clk_get_rate(clk->parent);
+
+ ssi1_pdf = (PCDR0() & CCM_PCDR0_SSI1BAUDDIV_MASK) >>
+ CCM_PCDR0_SSI1BAUDDIV_OFFSET;
+
+ if (mx27_revision() >= CHIP_REV_2_0)
+ ssi1_pdf += 4;
+ else
+ ssi1_pdf = (ssi1_pdf < 2) ? 124UL : ssi1_pdf;
+
+ return 2UL * parent_rate / ssi1_pdf;
+}
+
+static unsigned long _clk_ssi2_recalc(struct clk *clk)
+{
+ unsigned long ssi2_pdf;
+ unsigned long parent_rate;
+
+ parent_rate = clk_get_rate(clk->parent);
+
+ ssi2_pdf = (PCDR0() & CCM_PCDR0_SSI2BAUDDIV_MASK) >>
+ CCM_PCDR0_SSI2BAUDDIV_OFFSET;
+
+ if (mx27_revision() >= CHIP_REV_2_0)
+ ssi2_pdf += 4;
+ else
+ ssi2_pdf = (ssi2_pdf < 2) ? 124UL : ssi2_pdf;
+
+ return 2UL * parent_rate / ssi2_pdf;
+}
+
+static unsigned long _clk_nfc_recalc(struct clk *clk)
+{
+ unsigned long nfc_pdf;
+ unsigned long parent_rate;
+
+ parent_rate = clk_get_rate(clk->parent);
+
+ if (mx27_revision() >= CHIP_REV_2_0) {
+ nfc_pdf =
+ (PCDR0() & CCM_PCDR0_NFCDIV2_MASK) >>
+ CCM_PCDR0_NFCDIV2_OFFSET;
+ } else {
+ nfc_pdf =
+ (PCDR0() & CCM_PCDR0_NFCDIV_MASK) >>
+ CCM_PCDR0_NFCDIV_OFFSET;
+ }
+
+ return parent_rate / (nfc_pdf + 1);
+}
+
+static unsigned long _clk_vpu_recalc(struct clk *clk)
+{
+ unsigned long vpu_pdf;
+ unsigned long parent_rate;
+
+ parent_rate = clk_get_rate(clk->parent);
+
+ if (mx27_revision() >= CHIP_REV_2_0) {
+ vpu_pdf =
+ (PCDR0() & CCM_PCDR0_VPUDIV2_MASK) >>
+ CCM_PCDR0_VPUDIV2_OFFSET;
+ vpu_pdf += 4;
+ } else {
+ vpu_pdf =
+ (PCDR0() & CCM_PCDR0_VPUDIV_MASK) >>
+ CCM_PCDR0_VPUDIV_OFFSET;
+ vpu_pdf = (vpu_pdf < 2) ? 124 : vpu_pdf;
+ }
+ return 2UL * parent_rate / vpu_pdf;
+}
+
+static unsigned long _clk_parent_round_rate(struct clk *clk, unsigned long rate)
+{
+ return clk->parent->round_rate(clk->parent, rate);
+}
+
+static int _clk_parent_set_rate(struct clk *clk, unsigned long rate)
+{
+ return clk->parent->set_rate(clk->parent, rate);
+}
+
+/* in Hz */
+static unsigned long external_high_reference = 26000000;
+
+static unsigned long get_high_reference_clock_rate(struct clk *clk)
+{
+ return external_high_reference;
+}
+
+/*
+ * the high frequency external clock reference
+ * Default case is 26MHz. Could be changed at runtime
+ * with a call to change_external_high_reference()
+ */
+static struct clk ckih_clk = {
+ .name = "ckih",
+ .get_rate = get_high_reference_clock_rate,
+};
+
+/* in Hz */
+static unsigned long external_low_reference = 32768;
+
+static unsigned long get_low_reference_clock_rate(struct clk *clk)
+{
+ return external_low_reference;
+}
+
+/*
+ * the low frequency external clock reference
+ * Default case is 32.768kHz Could be changed at runtime
+ * with a call to change_external_low_reference()
+ */
+static struct clk ckil_clk = {
+ .name = "ckil",
+ .get_rate = get_low_reference_clock_rate,
+};
+
+static unsigned long get_mpll_clk(struct clk *clk)
+{
+ uint32_t reg;
+ unsigned long ref_clk;
+ unsigned long mfi = 0, mfn = 0, mfd = 0, pdf = 0;
+ unsigned long long temp;
+
+ ref_clk = clk_get_rate(clk->parent);
+
+ reg = __raw_readl(CCM_MPCTL0);
+ pdf = (reg & CCM_MPCTL0_PD_MASK) >> CCM_MPCTL0_PD_OFFSET;
+ mfd = (reg & CCM_MPCTL0_MFD_MASK) >> CCM_MPCTL0_MFD_OFFSET;
+ mfi = (reg & CCM_MPCTL0_MFI_MASK) >> CCM_MPCTL0_MFI_OFFSET;
+ mfn = (reg & CCM_MPCTL0_MFN_MASK) >> CCM_MPCTL0_MFN_OFFSET;
+
+ mfi = (mfi <= 5) ? 5 : mfi;
+ temp = 2LL * ref_clk * mfn;
+ do_div(temp, mfd + 1);
+ temp = 2LL * ref_clk * mfi + temp;
+ do_div(temp, pdf + 1);
+
+ return (unsigned long)temp;
+}
+
+static struct clk mpll_clk = {
+ .name = "mpll",
+ .parent = &ckih_clk,
+ .get_rate = get_mpll_clk,
+};
+
+static unsigned long _clk_mpll_main_get_rate(struct clk *clk)
+{
+ unsigned long parent_rate;
+
+ parent_rate = clk_get_rate(clk->parent);
+
+ /* i.MX27 TO2:
+ * clk->id == 0: arm clock source path 1 which is from 2*MPLL/DIV_2
+ * clk->id == 1: arm clock source path 2 which is from 2*MPLL/DIV_3
+ */
+
+ if (mx27_revision() >= CHIP_REV_2_0 && clk->id == 1)
+ return 2UL * parent_rate / 3UL;
+
+ return parent_rate;
+}
+
+static struct clk mpll_main_clk[] = {
+ {
+ /* For i.MX27 TO2, it is the MPLL path 1 of ARM core
+ * It provide the clock source whose rate is same as MPLL
+ */
+ .name = "mpll_main",
+ .id = 0,
+ .parent = &mpll_clk,
+ .get_rate = _clk_mpll_main_get_rate
+ }, {
+ /* For i.MX27 TO2, it is the MPLL path 2 of ARM core
+ * It provide the clock source whose rate is same MPLL * 2/3
+ */
+ .name = "mpll_main",
+ .id = 1,
+ .parent = &mpll_clk,
+ .get_rate = _clk_mpll_main_get_rate
+ }
+};
+
+static unsigned long get_spll_clk(struct clk *clk)
+{
+ uint32_t reg;
+ unsigned long ref_clk;
+ unsigned long mfi = 0, mfn = 0, mfd = 0, pdf = 0;
+ unsigned long long temp;
+
+ ref_clk = clk_get_rate(clk->parent);
+
+ reg = __raw_readl(CCM_SPCTL0);
+ /*TODO: This is TO2 Bug */
+ if (mx27_revision() >= CHIP_REV_2_0)
+ __raw_writel(reg, CCM_SPCTL0);
+
+ pdf = (reg & CCM_SPCTL0_PD_MASK) >> CCM_SPCTL0_PD_OFFSET;
+ mfd = (reg & CCM_SPCTL0_MFD_MASK) >> CCM_SPCTL0_MFD_OFFSET;
+ mfi = (reg & CCM_SPCTL0_MFI_MASK) >> CCM_SPCTL0_MFI_OFFSET;
+ mfn = (reg & CCM_SPCTL0_MFN_MASK) >> CCM_SPCTL0_MFN_OFFSET;
+
+ mfi = (mfi <= 5) ? 5 : mfi;
+ temp = 2LL * ref_clk * mfn;
+ do_div(temp, mfd + 1);
+ temp = 2LL * ref_clk * mfi + temp;
+ do_div(temp, pdf + 1);
+
+ return (unsigned long)temp;
+}
+
+static struct clk spll_clk = {
+ .name = "spll",
+ .parent = &ckih_clk,
+ .get_rate = get_spll_clk,
+ .enable = _clk_spll_enable,
+ .disable = _clk_spll_disable,
+};
+
+static unsigned long get_cpu_clk(struct clk *clk)
+{
+ u32 div;
+ unsigned long rate;
+
+ if (mx27_revision() >= CHIP_REV_2_0)
+ div = (CSCR() & CCM_CSCR_ARM_MASK) >> CCM_CSCR_ARM_OFFSET;
+ else
+ div = (CSCR() & CCM_CSCR_PRESC_MASK) >> CCM_CSCR_PRESC_OFFSET;
+
+ rate = clk_get_rate(clk->parent);
+ return rate / (div + 1);
+}
+
+static struct clk cpu_clk = {
+ .name = "cpu_clk",
+ .parent = &mpll_main_clk[1],
+ .set_parent = _clk_cpu_set_parent,
+ .round_rate = _clk_cpu_round_rate,
+ .get_rate = get_cpu_clk,
+ .set_rate = _clk_cpu_set_rate,
+};
+
+static unsigned long get_ahb_clk(struct clk *clk)
+{
+ unsigned long rate;
+ unsigned long bclk_pdf;
+
+ if (mx27_revision() >= CHIP_REV_2_0)
+ bclk_pdf = (CSCR() & CCM_CSCR_AHB_MASK)
+ >> CCM_CSCR_AHB_OFFSET;
+ else
+ bclk_pdf = (CSCR() & CCM_CSCR_BCLK_MASK)
+ >> CCM_CSCR_BCLK_OFFSET;
+
+ rate = clk_get_rate(clk->parent);
+ return rate / (bclk_pdf + 1);
+}
+
+static struct clk ahb_clk = {
+ .name = "ahb_clk",
+ .parent = &mpll_main_clk[1],
+ .get_rate = get_ahb_clk,
+};
+
+static unsigned long get_ipg_clk(struct clk *clk)
+{
+ unsigned long rate;
+ unsigned long ipg_pdf;
+
+ if (mx27_revision() >= CHIP_REV_2_0)
+ return clk_get_rate(clk->parent);
+ else
+ ipg_pdf = (CSCR() & CCM_CSCR_IPDIV) >> CCM_CSCR_IPDIV_OFFSET;
+
+ rate = clk_get_rate(clk->parent);
+ return rate / (ipg_pdf + 1);
+}
+
+static struct clk ipg_clk = {
+ .name = "ipg_clk",
+ .parent = &ahb_clk,
+ .get_rate = get_ipg_clk,
+};
+
+static unsigned long _clk_perclkx_recalc(struct clk *clk)
+{
+ unsigned long perclk_pdf;
+ unsigned long parent_rate;
+
+ parent_rate = clk_get_rate(clk->parent);
+
+ if (clk->id < 0 || clk->id > 3)
+ return 0;
+
+ perclk_pdf = (PCDR1() >> (clk->id << 3)) & CCM_PCDR1_PERDIV1_MASK;
+
+ return parent_rate / (perclk_pdf + 1);
+}
+
+static struct clk per_clk[] = {
+ {
+ .name = "per_clk",
+ .id = 0,
+ .parent = &mpll_main_clk[1],
+ .get_rate = _clk_perclkx_recalc,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR1,
+ .enable_shift = CCM_PCCR1_PERCLK1_OFFSET,
+ .disable = _clk_disable,
+ }, {
+ .name = "per_clk",
+ .id = 1,
+ .parent = &mpll_main_clk[1],
+ .get_rate = _clk_perclkx_recalc,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR1,
+ .enable_shift = CCM_PCCR1_PERCLK2_OFFSET,
+ .disable = _clk_disable,
+ }, {
+ .name = "per_clk",
+ .id = 2,
+ .parent = &mpll_main_clk[1],
+ .round_rate = _clk_perclkx_round_rate,
+ .set_rate = _clk_perclkx_set_rate,
+ .get_rate = _clk_perclkx_recalc,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR1,
+ .enable_shift = CCM_PCCR1_PERCLK3_OFFSET,
+ .disable = _clk_disable,
+ }, {
+ .name = "per_clk",
+ .id = 3,
+ .parent = &mpll_main_clk[1],
+ .round_rate = _clk_perclkx_round_rate,
+ .set_rate = _clk_perclkx_set_rate,
+ .get_rate = _clk_perclkx_recalc,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR1,
+ .enable_shift = CCM_PCCR1_PERCLK4_OFFSET,
+ .disable = _clk_disable,
+ },
+};
+
+struct clk uart1_clk[] = {
+ {
+ .name = "uart_clk",
+ .id = 0,
+ .parent = &per_clk[0],
+ .secondary = &uart1_clk[1],
+ }, {
+ .name = "uart_ipg_clk",
+ .id = 0,
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR1,
+ .enable_shift = CCM_PCCR1_UART1_OFFSET,
+ .disable = _clk_disable,
+ },
+};
+
+struct clk uart2_clk[] = {
+ {
+ .name = "uart_clk",
+ .id = 1,
+ .parent = &per_clk[0],
+ .secondary = &uart2_clk[1],
+ }, {
+ .name = "uart_ipg_clk",
+ .id = 1,
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR1,
+ .enable_shift = CCM_PCCR1_UART2_OFFSET,
+ .disable = _clk_disable,
+ },
+};
+
+struct clk uart3_clk[] = {
+ {
+ .name = "uart_clk",
+ .id = 2,
+ .parent = &per_clk[0],
+ .secondary = &uart3_clk[1],
+ }, {
+ .name = "uart_ipg_clk",
+ .id = 2,
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR1,
+ .enable_shift = CCM_PCCR1_UART3_OFFSET,
+ .disable = _clk_disable,
+ },
+};
+
+struct clk uart4_clk[] = {
+ {
+ .name = "uart_clk",
+ .id = 3,
+ .parent = &per_clk[0],
+ .secondary = &uart4_clk[1],
+ }, {
+ .name = "uart_ipg_clk",
+ .id = 3,
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR1,
+ .enable_shift = CCM_PCCR1_UART4_OFFSET,
+ .disable = _clk_disable,
+ },
+};
+
+struct clk uart5_clk[] = {
+ {
+ .name = "uart_clk",
+ .id = 4,
+ .parent = &per_clk[0],
+ .secondary = &uart5_clk[1],
+ }, {
+ .name = "uart_ipg_clk",
+ .id = 4,
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR1,
+ .enable_shift = CCM_PCCR1_UART5_OFFSET,
+ .disable = _clk_disable,
+ },
+};
+
+struct clk uart6_clk[] = {
+ {
+ .name = "uart_clk",
+ .id = 5,
+ .parent = &per_clk[0],
+ .secondary = &uart6_clk[1],
+ }, {
+ .name = "uart_ipg_clk",
+ .id = 5,
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR1,
+ .enable_shift = CCM_PCCR1_UART6_OFFSET,
+ .disable = _clk_disable,
+ },
+};
+
+static struct clk gpt1_clk[] = {
+ {
+ .name = "gpt_clk",
+ .id = 0,
+ .parent = &per_clk[0],
+ .secondary = &gpt1_clk[1],
+ }, {
+ .name = "gpt_ipg_clk",
+ .id = 0,
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR0,
+ .enable_shift = CCM_PCCR0_GPT1_OFFSET,
+ .disable = _clk_disable,
+ },
+};
+
+static struct clk gpt2_clk[] = {
+ {
+ .name = "gpt_clk",
+ .id = 1,
+ .parent = &per_clk[0],
+ .secondary = &gpt2_clk[1],
+ }, {
+ .name = "gpt_ipg_clk",
+ .id = 1,
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR0,
+ .enable_shift = CCM_PCCR0_GPT2_OFFSET,
+ .disable = _clk_disable,
+ },
+};
+
+static struct clk gpt3_clk[] = {
+ {
+ .name = "gpt_clk",
+ .id = 2,
+ .parent = &per_clk[0],
+ .secondary = &gpt3_clk[1],
+ }, {
+ .name = "gpt_ipg_clk",
+ .id = 2,
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR0,
+ .enable_shift = CCM_PCCR0_GPT3_OFFSET,
+ .disable = _clk_disable,
+ },
+};
+
+static struct clk gpt4_clk[] = {
+ {
+ .name = "gpt_clk",
+ .id = 3,
+ .parent = &per_clk[0],
+ .secondary = &gpt4_clk[1],
+ }, {
+ .name = "gpt_ipg_clk",
+ .id = 3,
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR0,
+ .enable_shift = CCM_PCCR0_GPT4_OFFSET,
+ .disable = _clk_disable,
+ },
+};
+
+static struct clk gpt5_clk[] = {
+ {
+ .name = "gpt_clk",
+ .id = 4,
+ .parent = &per_clk[0],
+ .secondary = &gpt5_clk[1],
+ }, {
+ .name = "gpt_ipg_clk",
+ .id = 4,
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR0,
+ .enable_shift = CCM_PCCR0_GPT5_OFFSET,
+ .disable = _clk_disable,
+ },
+};
+
+static struct clk gpt6_clk[] = {
+ {
+ .name = "gpt_clk",
+ .id = 5,
+ .parent = &per_clk[0],
+ .secondary = &gpt6_clk[1],
+ }, {
+ .name = "gpt_ipg_clk",
+ .id = 5,
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR0,
+ .enable_shift = CCM_PCCR0_GPT6_OFFSET,
+ .disable = _clk_disable,
+ },
+};
+
+static struct clk pwm_clk[] = {
+ {
+ .name = "pwm_clk",
+ .parent = &per_clk[0],
+ .secondary = &pwm_clk[1],
+ }, {
+ .name = "pwm_clk",
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR0,
+ .enable_shift = CCM_PCCR0_PWM_OFFSET,
+ .disable = _clk_disable,
+ },
+};
+
+static struct clk sdhc1_clk[] = {
+ {
+ .name = "sdhc_clk",
+ .id = 0,
+ .parent = &per_clk[1],
+ .secondary = &sdhc1_clk[1],
+ }, {
+ .name = "sdhc_ipg_clk",
+ .id = 0,
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR0,
+ .enable_shift = CCM_PCCR0_SDHC1_OFFSET,
+ .disable = _clk_disable,
+ },
+};
+
+static struct clk sdhc2_clk[] = {
+ {
+ .name = "sdhc_clk",
+ .id = 1,
+ .parent = &per_clk[1],
+ .secondary = &sdhc2_clk[1],
+ }, {
+ .name = "sdhc_ipg_clk",
+ .id = 1,
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR0,
+ .enable_shift = CCM_PCCR0_SDHC2_OFFSET,
+ .disable = _clk_disable,
+ },
+};
+
+static struct clk sdhc3_clk[] = {
+ {
+ .name = "sdhc_clk",
+ .id = 2,
+ .parent = &per_clk[1],
+ .secondary = &sdhc3_clk[1],
+ }, {
+ .name = "sdhc_ipg_clk",
+ .id = 2,
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR0,
+ .enable_shift = CCM_PCCR0_SDHC3_OFFSET,
+ .disable = _clk_disable,
+ },
+};
+
+static struct clk cspi1_clk[] = {
+ {
+ .name = "cspi_clk",
+ .id = 0,
+ .parent = &per_clk[1],
+ .secondary = &cspi1_clk[1],
+ }, {
+ .name = "cspi_ipg_clk",
+ .id = 0,
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR0,
+ .enable_shift = CCM_PCCR0_CSPI1_OFFSET,
+ .disable = _clk_disable,
+ },
+};
+
+static struct clk cspi2_clk[] = {
+ {
+ .name = "cspi_clk",
+ .id = 1,
+ .parent = &per_clk[1],
+ .secondary = &cspi2_clk[1],
+ }, {
+ .name = "cspi_ipg_clk",
+ .id = 1,
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR0,
+ .enable_shift = CCM_PCCR0_CSPI2_OFFSET,
+ .disable = _clk_disable,
+ },
+};
+
+static struct clk cspi3_clk[] = {
+ {
+ .name = "cspi_clk",
+ .id = 2,
+ .parent = &per_clk[1],
+ .secondary = &cspi3_clk[1],
+ }, {
+ .name = "cspi_ipg_clk",
+ .id = 2,
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR0,
+ .enable_shift = CCM_PCCR0_CSPI3_OFFSET,
+ .disable = _clk_disable,
+ },
+};
+
+static struct clk lcdc_clk[] = {
+ {
+ .name = "lcdc_clk",
+ .parent = &per_clk[2],
+ .secondary = &lcdc_clk[1],
+ .round_rate = _clk_parent_round_rate,
+ .set_rate = _clk_parent_set_rate,
+ }, {
+ .name = "lcdc_ipg_clk",
+ .parent = &ipg_clk,
+ .secondary = &lcdc_clk[2],
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR0,
+ .enable_shift = CCM_PCCR0_LCDC_OFFSET,
+ .disable = _clk_disable,
+ }, {
+ .name = "lcdc_ahb_clk",
+ .parent = &ahb_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR1,
+ .enable_shift = CCM_PCCR1_HCLK_LCDC_OFFSET,
+ .disable = _clk_disable,
+ },
+};
+
+static struct clk csi_clk[] = {
+ {
+ .name = "csi_perclk",
+ .parent = &per_clk[3],
+ .secondary = &csi_clk[1],
+ .round_rate = _clk_parent_round_rate,
+ .set_rate = _clk_parent_set_rate,
+ }, {
+ .name = "csi_ahb_clk",
+ .parent = &ahb_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR1,
+ .enable_shift = CCM_PCCR1_HCLK_CSI_OFFSET,
+ .disable = _clk_disable,
+ },
+};
+
+static struct clk usb_clk[] = {
+ {
+ .name = "usb_clk",
+ .parent = &spll_clk,
+ .get_rate = _clk_usb_recalc,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR1,
+ .enable_shift = CCM_PCCR1_USBOTG_OFFSET,
+ .disable = _clk_disable,
+ }, {
+ .name = "usb_ahb_clk",
+ .parent = &ahb_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR1,
+ .enable_shift = CCM_PCCR1_HCLK_USBOTG_OFFSET,
+ .disable = _clk_disable,
+ }
+};
+
+static struct clk ssi1_clk[] = {
+ {
+ .name = "ssi_clk",
+ .id = 0,
+ .parent = &mpll_main_clk[1],
+ .secondary = &ssi1_clk[1],
+ .get_rate = _clk_ssi1_recalc,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR1,
+ .enable_shift = CCM_PCCR1_SSI1_BAUD_OFFSET,
+ .disable = _clk_disable,
+ }, {
+ .name = "ssi_ipg_clk",
+ .id = 0,
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR0,
+ .enable_shift = CCM_PCCR0_SSI1_IPG_OFFSET,
+ .disable = _clk_disable,
+ },
+};
+
+static struct clk ssi2_clk[] = {
+ {
+ .name = "ssi_clk",
+ .id = 1,
+ .parent = &mpll_main_clk[1],
+ .secondary = &ssi2_clk[1],
+ .get_rate = _clk_ssi2_recalc,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR1,
+ .enable_shift = CCM_PCCR1_SSI2_BAUD_OFFSET,
+ .disable = _clk_disable,
+ }, {
+ .name = "ssi_ipg_clk",
+ .id = 1,
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR0,
+ .enable_shift = CCM_PCCR0_SSI2_IPG_OFFSET,
+ .disable = _clk_disable,
+ },
+};
+
+static struct clk nfc_clk = {
+ .name = "nfc_clk",
+ .parent = &cpu_clk,
+ .get_rate = _clk_nfc_recalc,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR1,
+ .enable_shift = CCM_PCCR1_NFC_BAUD_OFFSET,
+ .disable = _clk_disable,
+};
+
+static struct clk vpu_clk = {
+ .name = "vpu_clk",
+ .parent = &mpll_main_clk[1],
+ .get_rate = _clk_vpu_recalc,
+ .enable = _clk_vpu_enable,
+ .disable = _clk_vpu_disable,
+};
+
+static struct clk dma_clk = {
+ .name = "dma_clk",
+ .parent = &ahb_clk,
+ .enable = _clk_dma_enable,
+ .disable = _clk_dma_disable,
+};
+
+static struct clk rtic_clk = {
+ .name = "rtic_clk",
+ .parent = &ahb_clk,
+ .enable = _clk_rtic_enable,
+ .disable = _clk_rtic_disable,
+};
+
+static struct clk brom_clk = {
+ .name = "brom_clk",
+ .parent = &ahb_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR1,
+ .enable_shift = CCM_PCCR1_HCLK_BROM_OFFSET,
+ .disable = _clk_disable,
+};
+
+static struct clk emma_clk = {
+ .name = "emma_clk",
+ .parent = &ahb_clk,
+ .enable = _clk_emma_enable,
+ .disable = _clk_emma_disable,
+};
+
+static struct clk slcdc_clk = {
+ .name = "slcdc_clk",
+ .parent = &ahb_clk,
+ .enable = _clk_slcdc_enable,
+ .disable = _clk_slcdc_disable,
+};
+
+static struct clk fec_clk = {
+ .name = "fec_clk",
+ .parent = &ahb_clk,
+ .enable = _clk_fec_enable,
+ .disable = _clk_fec_disable,
+};
+
+static struct clk emi_clk = {
+ .name = "emi_clk",
+ .parent = &ahb_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR1,
+ .enable_shift = CCM_PCCR1_HCLK_EMI_OFFSET,
+ .disable = _clk_disable,
+};
+
+static struct clk sahara2_clk = {
+ .name = "sahara_clk",
+ .parent = &ahb_clk,
+ .enable = _clk_sahara2_enable,
+ .disable = _clk_sahara2_disable,
+};
+
+static struct clk ata_clk = {
+ .name = "ata_clk",
+ .parent = &ahb_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR1,
+ .enable_shift = CCM_PCCR1_HCLK_ATA_OFFSET,
+ .disable = _clk_disable,
+};
+
+static struct clk mstick1_clk = {
+ .name = "mstick1_clk",
+ .parent = &ipg_clk,
+ .enable = _clk_mstick1_enable,
+ .disable = _clk_mstick1_disable,
+};
+
+static struct clk wdog_clk = {
+ .name = "wdog_clk",
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR1,
+ .enable_shift = CCM_PCCR1_WDT_OFFSET,
+ .disable = _clk_disable,
+};
+
+static struct clk gpio_clk = {
+ .name = "gpio_clk",
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR1,
+ .enable_shift = CCM_PCCR0_GPIO_OFFSET,
+ .disable = _clk_disable,
+};
+
+static struct clk i2c_clk[] = {
+ {
+ .name = "i2c_clk",
+ .id = 0,
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR0,
+ .enable_shift = CCM_PCCR0_I2C1_OFFSET,
+ .disable = _clk_disable,
+ }, {
+ .name = "i2c_clk",
+ .id = 1,
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR0,
+ .enable_shift = CCM_PCCR0_I2C2_OFFSET,
+ .disable = _clk_disable,
+ },
+};
+
+static struct clk iim_clk = {
+ .name = "iim_clk",
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR0,
+ .enable_shift = CCM_PCCR0_IIM_OFFSET,
+ .disable = _clk_disable,
+};
+
+static struct clk kpp_clk = {
+ .name = "kpp_clk",
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR0,
+ .enable_shift = CCM_PCCR0_KPP_OFFSET,
+ .disable = _clk_disable,
+};
+
+static struct clk owire_clk = {
+ .name = "owire_clk",
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR0,
+ .enable_shift = CCM_PCCR0_OWIRE_OFFSET,
+ .disable = _clk_disable,
+};
+
+static struct clk rtc_clk = {
+ .name = "rtc_clk",
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR0,
+ .enable_shift = CCM_PCCR0_RTC_OFFSET,
+ .disable = _clk_disable,
+};
+
+static struct clk scc_clk = {
+ .name = "scc_clk",
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR0,
+ .enable_shift = CCM_PCCR0_SCC_OFFSET,
+ .disable = _clk_disable,
+};
+
+static unsigned long _clk_clko_round_rate(struct clk *clk, unsigned long rate)
+{
+ u32 div;
+ unsigned long parent_rate;
+
+ parent_rate = clk_get_rate(clk->parent);
+ div = parent_rate / rate;
+ if (parent_rate % rate)
+ div++;
+
+ if (div > 8)
+ div = 8;
+
+ return parent_rate / div;
+}
+
+static int _clk_clko_set_rate(struct clk *clk, unsigned long rate)
+{
+ u32 reg;
+ u32 div;
+ unsigned long parent_rate;
+
+ parent_rate = clk_get_rate(clk->parent);
+
+ div = parent_rate / rate;
+
+ if (div > 8 || div < 1 || ((parent_rate / div) != rate))
+ return -EINVAL;
+ div--;
+
+ reg = __raw_readl(CCM_PCDR0) & ~CCM_PCDR0_CLKODIV_MASK;
+ reg |= div << CCM_PCDR0_CLKODIV_OFFSET;
+ __raw_writel(reg, CCM_PCDR0);
+
+ return 0;
+}
+
+static unsigned long _clk_clko_recalc(struct clk *clk)
+{
+ u32 div;
+ unsigned long parent_rate;
+
+ parent_rate = clk_get_rate(clk->parent);
+
+ div = __raw_readl(CCM_PCDR0) & CCM_PCDR0_CLKODIV_MASK >>
+ CCM_PCDR0_CLKODIV_OFFSET;
+ div++;
+
+ return parent_rate / div;
+}
+
+static int _clk_clko_set_parent(struct clk *clk, struct clk *parent)
+{
+ u32 reg;
+
+ reg = __raw_readl(CCM_CCSR) & ~CCM_CCSR_CLKOSEL_MASK;
+
+ if (parent == &ckil_clk)
+ reg |= 0 << CCM_CCSR_CLKOSEL_OFFSET;
+ else if (parent == &ckih_clk)
+ reg |= 2 << CCM_CCSR_CLKOSEL_OFFSET;
+ else if (parent == mpll_clk.parent)
+ reg |= 3 << CCM_CCSR_CLKOSEL_OFFSET;
+ else if (parent == spll_clk.parent)
+ reg |= 4 << CCM_CCSR_CLKOSEL_OFFSET;
+ else if (parent == &mpll_clk)
+ reg |= 5 << CCM_CCSR_CLKOSEL_OFFSET;
+ else if (parent == &spll_clk)
+ reg |= 6 << CCM_CCSR_CLKOSEL_OFFSET;
+ else if (parent == &cpu_clk)
+ reg |= 7 << CCM_CCSR_CLKOSEL_OFFSET;
+ else if (parent == &ahb_clk)
+ reg |= 8 << CCM_CCSR_CLKOSEL_OFFSET;
+ else if (parent == &ipg_clk)
+ reg |= 9 << CCM_CCSR_CLKOSEL_OFFSET;
+ else if (parent == &per_clk[0])
+ reg |= 0xA << CCM_CCSR_CLKOSEL_OFFSET;
+ else if (parent == &per_clk[1])
+ reg |= 0xB << CCM_CCSR_CLKOSEL_OFFSET;
+ else if (parent == &per_clk[2])
+ reg |= 0xC << CCM_CCSR_CLKOSEL_OFFSET;
+ else if (parent == &per_clk[3])
+ reg |= 0xD << CCM_CCSR_CLKOSEL_OFFSET;
+ else if (parent == &ssi1_clk[0])
+ reg |= 0xE << CCM_CCSR_CLKOSEL_OFFSET;
+ else if (parent == &ssi2_clk[0])
+ reg |= 0xF << CCM_CCSR_CLKOSEL_OFFSET;
+ else if (parent == &nfc_clk)
+ reg |= 0x10 << CCM_CCSR_CLKOSEL_OFFSET;
+ else if (parent == &mstick1_clk)
+ reg |= 0x11 << CCM_CCSR_CLKOSEL_OFFSET;
+ else if (parent == &vpu_clk)
+ reg |= 0x12 << CCM_CCSR_CLKOSEL_OFFSET;
+ else if (parent == &usb_clk[0])
+ reg |= 0x15 << CCM_CCSR_CLKOSEL_OFFSET;
+ else
+ return -EINVAL;
+
+ __raw_writel(reg, CCM_CCSR);
+
+ return 0;
+}
+
+static int _clk_clko_enable(struct clk *clk)
+{
+ u32 reg;
+
+ reg = __raw_readl(CCM_PCDR0) | CCM_PCDR0_CLKO_EN;
+ __raw_writel(reg, CCM_PCDR0);
+
+ return 0;
+}
+
+static void _clk_clko_disable(struct clk *clk)
+{
+ u32 reg;
+
+ reg = __raw_readl(CCM_PCDR0) & ~CCM_PCDR0_CLKO_EN;
+ __raw_writel(reg, CCM_PCDR0);
+}
+
+static struct clk clko_clk = {
+ .name = "clko_clk",
+ .get_rate = _clk_clko_recalc,
+ .set_rate = _clk_clko_set_rate,
+ .round_rate = _clk_clko_round_rate,
+ .set_parent = _clk_clko_set_parent,
+ .enable = _clk_clko_enable,
+ .disable = _clk_clko_disable,
+};
+
+static struct clk *mxc_clks[] = {
+ &ckih_clk,
+ &ckil_clk,
+ &mpll_clk,
+ &mpll_main_clk[0],
+ &mpll_main_clk[1],
+ &spll_clk,
+ &cpu_clk,
+ &ahb_clk,
+ &ipg_clk,
+ &per_clk[0],
+ &per_clk[1],
+ &per_clk[2],
+ &per_clk[3],
+ &clko_clk,
+ &uart1_clk[0],
+ &uart1_clk[1],
+ &uart2_clk[0],
+ &uart2_clk[1],
+ &uart3_clk[0],
+ &uart3_clk[1],
+ &uart4_clk[0],
+ &uart4_clk[1],
+ &uart5_clk[0],
+ &uart5_clk[1],
+ &uart6_clk[0],
+ &uart6_clk[1],
+ &gpt1_clk[0],
+ &gpt1_clk[1],
+ &gpt2_clk[0],
+ &gpt2_clk[1],
+ &gpt3_clk[0],
+ &gpt3_clk[1],
+ &gpt4_clk[0],
+ &gpt4_clk[1],
+ &gpt5_clk[0],
+ &gpt5_clk[1],
+ &gpt6_clk[0],
+ &gpt6_clk[1],
+ &pwm_clk[0],
+ &pwm_clk[1],
+ &sdhc1_clk[0],
+ &sdhc1_clk[1],
+ &sdhc2_clk[0],
+ &sdhc2_clk[1],
+ &sdhc3_clk[0],
+ &sdhc3_clk[1],
+ &cspi1_clk[0],
+ &cspi1_clk[1],
+ &cspi2_clk[0],
+ &cspi2_clk[1],
+ &cspi3_clk[0],
+ &cspi3_clk[1],
+ &lcdc_clk[0],
+ &lcdc_clk[1],
+ &lcdc_clk[2],
+ &csi_clk[0],
+ &csi_clk[1],
+ &usb_clk[0],
+ &usb_clk[1],
+ &ssi1_clk[0],
+ &ssi1_clk[1],
+ &ssi2_clk[0],
+ &ssi2_clk[1],
+ &nfc_clk,
+ &vpu_clk,
+ &dma_clk,
+ &rtic_clk,
+ &brom_clk,
+ &emma_clk,
+ &slcdc_clk,
+ &fec_clk,
+ &emi_clk,
+ &sahara2_clk,
+ &ata_clk,
+ &mstick1_clk,
+ &wdog_clk,
+ &gpio_clk,
+ &i2c_clk[0],
+ &i2c_clk[1],
+ &iim_clk,
+ &kpp_clk,
+ &owire_clk,
+ &rtc_clk,
+ &scc_clk,
+};
+
+void __init change_external_low_reference(unsigned long new_ref)
+{
+ external_low_reference = new_ref;
+}
+
+unsigned long __init clk_early_get_timer_rate(void)
+{
+ return clk_get_rate(&per_clk[0]);
+}
+
+static void __init probe_mxc_clocks(void)
+{
+ int i;
+
+ if (mx27_revision() >= CHIP_REV_2_0) {
+ if (CSCR() & 0x8000)
+ cpu_clk.parent = &mpll_main_clk[0];
+
+ if (!(CSCR() & 0x00800000))
+ ssi2_clk[0].parent = &spll_clk;
+
+ if (!(CSCR() & 0x00400000))
+ ssi1_clk[0].parent = &spll_clk;
+
+ if (!(CSCR() & 0x00200000))
+ vpu_clk.parent = &spll_clk;
+ } else {
+ cpu_clk.parent = &mpll_clk;
+ cpu_clk.set_parent = NULL;
+ cpu_clk.round_rate = NULL;
+ cpu_clk.set_rate = NULL;
+ ahb_clk.parent = &mpll_clk;
+
+ for (i = 0; i < sizeof(per_clk) / sizeof(per_clk[0]); i++)
+ per_clk[i].parent = &mpll_clk;
+
+ ssi1_clk[0].parent = &mpll_clk;
+ ssi2_clk[0].parent = &mpll_clk;
+
+ vpu_clk.parent = &mpll_clk;
+ }
+}
+
+/*
+ * must be called very early to get information about the
+ * available clock rate when the timer framework starts
+ */
+int __init mxc_clocks_init(unsigned long fref)
+{
+ u32 cscr;
+ struct clk **clkp;
+
+ external_high_reference = fref;
+
+ /* detect clock reference for both system PLL */
+ cscr = CSCR();
+ if (cscr & CCM_CSCR_MCU)
+ mpll_clk.parent = &ckih_clk;
+ else
+ mpll_clk.parent = &ckil_clk;
+
+ if (cscr & CCM_CSCR_SP)
+ spll_clk.parent = &ckih_clk;
+ else
+ spll_clk.parent = &ckil_clk;
+
+ probe_mxc_clocks();
+
+ per_clk[0].enable(&per_clk[0]);
+ gpt1_clk[1].enable(&gpt1_clk[1]);
+
+ for (clkp = mxc_clks; clkp < mxc_clks + ARRAY_SIZE(mxc_clks); clkp++)
+ clk_register(*clkp);
+
+ /* Turn off all possible clocks */
+ __raw_writel(CCM_PCCR0_GPT1_MASK, CCM_PCCR0);
+ __raw_writel(CCM_PCCR1_PERCLK1_MASK | CCM_PCCR1_HCLK_EMI_MASK,
+ CCM_PCCR1);
+ spll_clk.disable(&spll_clk);
+
+ /* This will propagate to all children and init all the clock rates */
+
+ clk_enable(&emi_clk);
+ clk_enable(&gpio_clk);
+ clk_enable(&iim_clk);
+ clk_enable(&gpt1_clk[0]);
+#ifdef CONFIG_DEBUG_LL_CONSOLE
+ clk_enable(&uart1_clk[0]);
+#endif
+ return 0;
+}
diff --git a/arch/arm/mach-mx2/cpu_imx27.c b/arch/arm/mach-mx2/cpu_imx27.c
new file mode 100644
index 00000000000..d6b5c2e3377
--- /dev/null
+++ b/arch/arm/mach-mx2/cpu_imx27.c
@@ -0,0 +1,63 @@
+/*
+ * Copyright 2007 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2008 Juergen Beisert, kernel@pengutronix.de
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+
+/*
+ * i.MX27 specific CPU detection code
+ */
+
+#include <linux/io.h>
+#include <linux/module.h>
+
+#include <asm/hardware.h>
+
+#include "crm_regs.h"
+
+static int cpu_silicon_rev = -1;
+static int cpu_partnumber;
+
+static void query_silicon_parameter(void)
+{
+ u32 val;
+ /*
+ * now we have access to the IO registers. As we need
+ * the silicon revision very early we read it here to
+ * avoid any further hooks
+ */
+ val = __raw_readl(IO_ADDRESS(SYSCTRL_BASE_ADDR) + SYS_CHIP_ID);
+
+ cpu_silicon_rev = (int)(val >> 28);
+ cpu_partnumber = (int)((val >> 12) & 0xFFFF);
+}
+
+/*
+ * Returns:
+ * the silicon revision of the cpu
+ * -EINVAL - not a mx27
+ */
+int mx27_revision(void)
+{
+ if (cpu_silicon_rev == -1)
+ query_silicon_parameter();
+
+ if (cpu_partnumber != 0x8821)
+ return -EINVAL;
+
+ return cpu_silicon_rev;
+}
+EXPORT_SYMBOL(mx27_revision);
diff --git a/arch/arm/mach-mx2/crm_regs.h b/arch/arm/mach-mx2/crm_regs.h
new file mode 100644
index 00000000000..a40a9b950ce
--- /dev/null
+++ b/arch/arm/mach-mx2/crm_regs.h
@@ -0,0 +1,273 @@
+/*
+ * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2008 Juergen Beisert, kernel@pengutronix.de
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+
+#ifndef __ARCH_ARM_MACH_MX2_CRM_REGS_H__
+#define __ARCH_ARM_MACH_MX2_CRM_REGS_H__
+
+#include <asm/arch/hardware.h>
+
+/* Register offsets */
+#define CCM_CSCR (IO_ADDRESS(CCM_BASE_ADDR) + 0x0)
+#define CCM_MPCTL0 (IO_ADDRESS(CCM_BASE_ADDR) + 0x4)
+#define CCM_MPCTL1 (IO_ADDRESS(CCM_BASE_ADDR) + 0x8)
+#define CCM_SPCTL0 (IO_ADDRESS(CCM_BASE_ADDR) + 0xC)
+#define CCM_SPCTL1 (IO_ADDRESS(CCM_BASE_ADDR) + 0x10)
+#define CCM_OSC26MCTL (IO_ADDRESS(CCM_BASE_ADDR) + 0x14)
+#define CCM_PCDR0 (IO_ADDRESS(CCM_BASE_ADDR) + 0x18)
+#define CCM_PCDR1 (IO_ADDRESS(CCM_BASE_ADDR) + 0x1c)
+#define CCM_PCCR0 (IO_ADDRESS(CCM_BASE_ADDR) + 0x20)
+#define CCM_PCCR1 (IO_ADDRESS(CCM_BASE_ADDR) + 0x24)
+#define CCM_CCSR (IO_ADDRESS(CCM_BASE_ADDR) + 0x28)
+#define CCM_PMCTL (IO_ADDRESS(CCM_BASE_ADDR) + 0x2c)
+#define CCM_PMCOUNT (IO_ADDRESS(CCM_BASE_ADDR) + 0x30)
+#define CCM_WKGDCTL (IO_ADDRESS(CCM_BASE_ADDR) + 0x34)
+
+#define CCM_CSCR_USB_OFFSET 28
+#define CCM_CSCR_USB_MASK (0x7 << 28)
+#define CCM_CSCR_SD_OFFSET 24
+#define CCM_CSCR_SD_MASK (0x3 << 24)
+#define CCM_CSCR_SSI2 (1 << 23)
+#define CCM_CSCR_SSI2_OFFSET 23
+#define CCM_CSCR_SSI1 (1 << 22)
+#define CCM_CSCR_SSI1_OFFSET 22
+#define CCM_CSCR_VPU (1 << 21)
+#define CCM_CSCR_VPU_OFFSET 21
+#define CCM_CSCR_MSHC (1 << 20)
+#define CCM_CSCR_SPLLRES (1 << 19)
+#define CCM_CSCR_MPLLRES (1 << 18)
+#define CCM_CSCR_SP (1 << 17)
+#define CCM_CSCR_MCU (1 << 16)
+/* CCM_CSCR_ARM_xxx just be avaliable on i.MX27 TO2*/
+#define CCM_CSCR_ARM_SRC (1 << 15)
+#define CCM_CSCR_ARM_OFFSET 12
+#define CCM_CSCR_ARM_MASK (0x3 << 12)
+/* CCM_CSCR_ARM_xxx just be avaliable on i.MX27 TO2*/
+#define CCM_CSCR_PRESC_OFFSET 13
+#define CCM_CSCR_PRESC_MASK (0x7 << 13)
+#define CCM_CSCR_BCLK_OFFSET 9
+#define CCM_CSCR_BCLK_MASK (0xf << 9)
+#define CCM_CSCR_IPDIV_OFFSET 8
+#define CCM_CSCR_IPDIV (1 << 8)
+/* CCM_CSCR_AHB_xxx just be avaliable on i.MX27 TO2*/
+#define CCM_CSCR_AHB_OFFSET 8
+#define CCM_CSCR_AHB_MASK (0x3 << 8)
+/* CCM_CSCR_AHB_xxx just be avaliable on i.MX27 TO2*/
+#define CCM_CSCR_OSC26MDIV (1 << 4)
+#define CCM_CSCR_OSC26M (1 << 3)
+#define CCM_CSCR_FPM (1 << 2)
+#define CCM_CSCR_SPEN (1 << 1)
+#define CCM_CSCR_MPEN 1
+
+#define CCM_MPCTL0_CPLM (1 << 31)
+#define CCM_MPCTL0_PD_OFFSET 26
+#define CCM_MPCTL0_PD_MASK (0xf << 26)
+#define CCM_MPCTL0_MFD_OFFSET 16
+#define CCM_MPCTL0_MFD_MASK (0x3ff << 16)
+#define CCM_MPCTL0_MFI_OFFSET 10
+#define CCM_MPCTL0_MFI_MASK (0xf << 10)
+#define CCM_MPCTL0_MFN_OFFSET 0
+#define CCM_MPCTL0_MFN_MASK 0x3ff
+
+#define CCM_MPCTL1_LF (1 << 15)
+#define CCM_MPCTL1_BRMO (1 << 6)
+
+#define CCM_SPCTL0_CPLM (1 << 31)
+#define CCM_SPCTL0_PD_OFFSET 26
+#define CCM_SPCTL0_PD_MASK (0xf << 26)
+#define CCM_SPCTL0_MFD_OFFSET 16
+#define CCM_SPCTL0_MFD_MASK (0x3ff << 16)
+#define CCM_SPCTL0_MFI_OFFSET 10
+#define CCM_SPCTL0_MFI_MASK (0xf << 10)
+#define CCM_SPCTL0_MFN_OFFSET 0
+#define CCM_SPCTL0_MFN_MASK 0x3ff
+
+#define CCM_SPCTL1_LF (1 << 15)
+#define CCM_SPCTL1_BRMO (1 << 6)
+
+#define CCM_OSC26MCTL_PEAK_OFFSET 16
+#define CCM_OSC26MCTL_PEAK_MASK (0x3 << 16)
+#define CCM_OSC26MCTL_AGC_OFFSET 8
+#define CCM_OSC26MCTL_AGC_MASK (0x3f << 8)
+#define CCM_OSC26MCTL_ANATEST_OFFSET 0
+#define CCM_OSC26MCTL_ANATEST_MASK 0x3f
+
+#define CCM_PCDR0_SSI2BAUDDIV_OFFSET 26
+#define CCM_PCDR0_SSI2BAUDDIV_MASK (0x3f << 26)
+#define CCM_PCDR0_CLKO_EN 25
+#define CCM_PCDR0_CLKODIV_OFFSET 22
+#define CCM_PCDR0_CLKODIV_MASK (0x7 << 22)
+#define CCM_PCDR0_SSI1BAUDDIV_OFFSET 16
+#define CCM_PCDR0_SSI1BAUDDIV_MASK (0x3f << 16)
+/*The difinition for i.MX27 TO2*/
+#define CCM_PCDR0_VPUDIV2_OFFSET 10
+#define CCM_PCDR0_VPUDIV2_MASK (0x3f << 10)
+#define CCM_PCDR0_NFCDIV2_OFFSET 6
+#define CCM_PCDR0_NFCDIV2_MASK (0xf << 6)
+#define CCM_PCDR0_MSHCDIV2_MASK 0x3f
+/*The difinition for i.MX27 TO2*/
+#define CCM_PCDR0_NFCDIV_OFFSET 12
+#define CCM_PCDR0_NFCDIV_MASK (0xf << 12)
+#define CCM_PCDR0_VPUDIV_OFFSET 8
+#define CCM_PCDR0_VPUDIV_MASK (0xf << 8)
+#define CCM_PCDR0_MSHCDIV_OFFSET 0
+#define CCM_PCDR0_MSHCDIV_MASK 0x1f
+
+#define CCM_PCDR1_PERDIV4_OFFSET 24
+#define CCM_PCDR1_PERDIV4_MASK (0x3f << 24)
+#define CCM_PCDR1_PERDIV3_OFFSET 16
+#define CCM_PCDR1_PERDIV3_MASK (0x3f << 16)
+#define CCM_PCDR1_PERDIV2_OFFSET 8
+#define CCM_PCDR1_PERDIV2_MASK (0x3f << 8)
+#define CCM_PCDR1_PERDIV1_OFFSET 0
+#define CCM_PCDR1_PERDIV1_MASK 0x3f
+
+#define CCM_PCCR0_CSPI1_OFFSET 31
+#define CCM_PCCR0_CSPI1_MASK (1 << 31)
+#define CCM_PCCR0_CSPI2_OFFSET 30
+#define CCM_PCCR0_CSPI2_MASK (1 << 30)
+#define CCM_PCCR0_CSPI3_OFFSET 29
+#define CCM_PCCR0_CSPI3_MASK (1 << 29)
+#define CCM_PCCR0_DMA_OFFSET 28
+#define CCM_PCCR0_DMA_MASK (1 << 28)
+#define CCM_PCCR0_EMMA_OFFSET 27
+#define CCM_PCCR0_EMMA_MASK (1 << 27)
+#define CCM_PCCR0_FEC_OFFSET 26
+#define CCM_PCCR0_FEC_MASK (1 << 26)
+#define CCM_PCCR0_GPIO_OFFSET 25
+#define CCM_PCCR0_GPIO_MASK (1 << 25)
+#define CCM_PCCR0_GPT1_OFFSET 24
+#define CCM_PCCR0_GPT1_MASK (1 << 24)
+#define CCM_PCCR0_GPT2_OFFSET 23
+#define CCM_PCCR0_GPT2_MASK (1 << 23)
+#define CCM_PCCR0_GPT3_OFFSET 22
+#define CCM_PCCR0_GPT3_MASK (1 << 22)
+#define CCM_PCCR0_GPT4_OFFSET 21
+#define CCM_PCCR0_GPT4_MASK (1 << 21)
+#define CCM_PCCR0_GPT5_OFFSET 20
+#define CCM_PCCR0_GPT5_MASK (1 << 20)
+#define CCM_PCCR0_GPT6_OFFSET 19
+#define CCM_PCCR0_GPT6_MASK (1 << 19)
+#define CCM_PCCR0_I2C1_OFFSET 18
+#define CCM_PCCR0_I2C1_MASK (1 << 18)
+#define CCM_PCCR0_I2C2_OFFSET 17
+#define CCM_PCCR0_I2C2_MASK (1 << 17)
+#define CCM_PCCR0_IIM_OFFSET 16
+#define CCM_PCCR0_IIM_MASK (1 << 16)
+#define CCM_PCCR0_KPP_OFFSET 15
+#define CCM_PCCR0_KPP_MASK (1 << 15)
+#define CCM_PCCR0_LCDC_OFFSET 14
+#define CCM_PCCR0_LCDC_MASK (1 << 14)
+#define CCM_PCCR0_MSHC_OFFSET 13
+#define CCM_PCCR0_MSHC_MASK (1 << 13)
+#define CCM_PCCR0_OWIRE_OFFSET 12
+#define CCM_PCCR0_OWIRE_MASK (1 << 12)
+#define CCM_PCCR0_PWM_OFFSET 11
+#define CCM_PCCR0_PWM_MASK (1 << 11)
+#define CCM_PCCR0_RTC_OFFSET 9
+#define CCM_PCCR0_RTC_MASK (1 << 9)
+#define CCM_PCCR0_RTIC_OFFSET 8
+#define CCM_PCCR0_RTIC_MASK (1 << 8)
+#define CCM_PCCR0_SAHARA_OFFSET 7
+#define CCM_PCCR0_SAHARA_MASK (1 << 7)
+#define CCM_PCCR0_SCC_OFFSET 6
+#define CCM_PCCR0_SCC_MASK (1 << 6)
+#define CCM_PCCR0_SDHC1_OFFSET 5
+#define CCM_PCCR0_SDHC1_MASK (1 << 5)
+#define CCM_PCCR0_SDHC2_OFFSET 4
+#define CCM_PCCR0_SDHC2_MASK (1 << 4)
+#define CCM_PCCR0_SDHC3_OFFSET 3
+#define CCM_PCCR0_SDHC3_MASK (1 << 3)
+#define CCM_PCCR0_SLCDC_OFFSET 2
+#define CCM_PCCR0_SLCDC_MASK (1 << 2)
+#define CCM_PCCR0_SSI1_IPG_OFFSET 1
+#define CCM_PCCR0_SSI1_IPG_MASK (1 << 1)
+#define CCM_PCCR0_SSI2_IPG_OFFSET 0
+#define CCM_PCCR0_SSI2_IPG_MASK (1 << 0)
+
+#define CCM_PCCR1_UART1_OFFSET 31
+#define CCM_PCCR1_UART1_MASK (1 << 31)
+#define CCM_PCCR1_UART2_OFFSET 30
+#define CCM_PCCR1_UART2_MASK (1 << 30)
+#define CCM_PCCR1_UART3_OFFSET 29
+#define CCM_PCCR1_UART3_MASK (1 << 29)
+#define CCM_PCCR1_UART4_OFFSET 28
+#define CCM_PCCR1_UART4_MASK (1 << 28)
+#define CCM_PCCR1_UART5_OFFSET 27
+#define CCM_PCCR1_UART5_MASK (1 << 27)
+#define CCM_PCCR1_UART6_OFFSET 26
+#define CCM_PCCR1_UART6_MASK (1 << 26)
+#define CCM_PCCR1_USBOTG_OFFSET 25
+#define CCM_PCCR1_USBOTG_MASK (1 << 25)
+#define CCM_PCCR1_WDT_OFFSET 24
+#define CCM_PCCR1_WDT_MASK (1 << 24)
+#define CCM_PCCR1_HCLK_ATA_OFFSET 23
+#define CCM_PCCR1_HCLK_ATA_MASK (1 << 23)
+#define CCM_PCCR1_HCLK_BROM_OFFSET 22
+#define CCM_PCCR1_HCLK_BROM_MASK (1 << 22)
+#define CCM_PCCR1_HCLK_CSI_OFFSET 21
+#define CCM_PCCR1_HCLK_CSI_MASK (1 << 21)
+#define CCM_PCCR1_HCLK_DMA_OFFSET 20
+#define CCM_PCCR1_HCLK_DMA_MASK (1 << 20)
+#define CCM_PCCR1_HCLK_EMI_OFFSET 19
+#define CCM_PCCR1_HCLK_EMI_MASK (1 << 19)
+#define CCM_PCCR1_HCLK_EMMA_OFFSET 18
+#define CCM_PCCR1_HCLK_EMMA_MASK (1 << 18)
+#define CCM_PCCR1_HCLK_FEC_OFFSET 17
+#define CCM_PCCR1_HCLK_FEC_MASK (1 << 17)
+#define CCM_PCCR1_HCLK_VPU_OFFSET 16
+#define CCM_PCCR1_HCLK_VPU_MASK (1 << 16)
+#define CCM_PCCR1_HCLK_LCDC_OFFSET 15
+#define CCM_PCCR1_HCLK_LCDC_MASK (1 << 15)
+#define CCM_PCCR1_HCLK_RTIC_OFFSET 14
+#define CCM_PCCR1_HCLK_RTIC_MASK (1 << 14)
+#define CCM_PCCR1_HCLK_SAHARA_OFFSET 13
+#define CCM_PCCR1_HCLK_SAHARA_MASK (1 << 13)
+#define CCM_PCCR1_HCLK_SLCDC_OFFSET 12
+#define CCM_PCCR1_HCLK_SLCDC_MASK (1 << 12)
+#define CCM_PCCR1_HCLK_USBOTG_OFFSET 11
+#define CCM_PCCR1_HCLK_USBOTG_MASK (1 << 11)
+#define CCM_PCCR1_PERCLK1_OFFSET 10
+#define CCM_PCCR1_PERCLK1_MASK (1 << 10)
+#define CCM_PCCR1_PERCLK2_OFFSET 9
+#define CCM_PCCR1_PERCLK2_MASK (1 << 9)
+#define CCM_PCCR1_PERCLK3_OFFSET 8
+#define CCM_PCCR1_PERCLK3_MASK (1 << 8)
+#define CCM_PCCR1_PERCLK4_OFFSET 7
+#define CCM_PCCR1_PERCLK4_MASK (1 << 7)
+#define CCM_PCCR1_VPU_BAUD_OFFSET 6
+#define CCM_PCCR1_VPU_BAUD_MASK (1 << 6)
+#define CCM_PCCR1_SSI1_BAUD_OFFSET 5
+#define CCM_PCCR1_SSI1_BAUD_MASK (1 << 5)
+#define CCM_PCCR1_SSI2_BAUD_OFFSET 4
+#define CCM_PCCR1_SSI2_BAUD_MASK (1 << 4)
+#define CCM_PCCR1_NFC_BAUD_OFFSET 3
+#define CCM_PCCR1_NFC_BAUD_MASK (1 << 3)
+#define CCM_PCCR1_MSHC_BAUD_OFFSET 2
+#define CCM_PCCR1_MSHC_BAUD_MASK (1 << 2)
+
+#define CCM_CCSR_32KSR (1 << 15)
+#define CCM_CCSR_CLKMODE1 (1 << 9)
+#define CCM_CCSR_CLKMODE0 (1 << 8)
+#define CCM_CCSR_CLKOSEL_OFFSET 0
+#define CCM_CCSR_CLKOSEL_MASK 0x1f
+
+#define SYS_FMCR 0x14 /* Functional Muxing Control Reg */
+#define SYS_CHIP_ID 0x00 /* The offset of CHIP ID register */
+
+#endif /* __ARCH_ARM_MACH_MX2_CRM_REGS_H__ */
diff --git a/arch/arm/mach-mx2/devices.c b/arch/arm/mach-mx2/devices.c
new file mode 100644
index 00000000000..a1f44c3c531
--- /dev/null
+++ b/arch/arm/mach-mx2/devices.c
@@ -0,0 +1,231 @@
+/*
+ * Author: MontaVista Software, Inc.
+ * <source@mvista.com>
+ *
+ * Based on the OMAP devices.c
+ *
+ * 2005 (c) MontaVista Software, Inc. This file is licensed under the
+ * terms of the GNU General Public License version 2. This program is
+ * licensed "as is" without any warranty of any kind, whether express
+ * or implied.
+ *
+ * Copyright 2006-2007 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2008 Juergen Beisert, kernel@pengutronix.de
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+
+#include <asm/hardware.h>
+
+/*
+ * Resource definition for the MXC IrDA
+ */
+static struct resource mxc_irda_resources[] = {
+ [0] = {
+ .start = UART3_BASE_ADDR,
+ .end = UART3_BASE_ADDR + SZ_4K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = MXC_INT_UART3,
+ .end = MXC_INT_UART3,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+/* Platform Data for MXC IrDA */
+struct platform_device mxc_irda_device = {
+ .name = "mxc_irda",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(mxc_irda_resources),
+ .resource = mxc_irda_resources,
+};
+
+/*
+ * General Purpose Timer
+ * - i.MX1: 2 timer (slighly different register handling)
+ * - i.MX21: 3 timer
+ * - i.MX27: 6 timer
+ */
+
+/* We use gpt0 as system timer, so do not add a device for this one */
+
+static struct resource timer1_resources[] = {
+ [0] = {
+ .start = GPT2_BASE_ADDR,
+ .end = GPT2_BASE_ADDR + 0x17,
+ .flags = IORESOURCE_MEM
+ },
+ [1] = {
+ .start = MXC_INT_GPT2,
+ .end = MXC_INT_GPT2,
+ .flags = IORESOURCE_IRQ,
+ }
+};
+
+struct platform_device mxc_gpt1 = {
+ .name = "imx_gpt",
+ .id = 1,
+ .num_resources = ARRAY_SIZE(timer1_resources),
+ .resource = timer1_resources
+};
+
+static struct resource timer2_resources[] = {
+ [0] = {
+ .start = GPT3_BASE_ADDR,
+ .end = GPT3_BASE_ADDR + 0x17,
+ .flags = IORESOURCE_MEM
+ },
+ [1] = {
+ .start = MXC_INT_GPT3,
+ .end = MXC_INT_GPT3,
+ .flags = IORESOURCE_IRQ,
+ }
+};
+
+struct platform_device mxc_gpt2 = {
+ .name = "imx_gpt",
+ .id = 2,
+ .num_resources = ARRAY_SIZE(timer2_resources),
+ .resource = timer2_resources
+};
+
+#ifdef CONFIG_MACH_MX27
+static struct resource timer3_resources[] = {
+ [0] = {
+ .start = GPT4_BASE_ADDR,
+ .end = GPT4_BASE_ADDR + 0x17,
+ .flags = IORESOURCE_MEM
+ },
+ [1] = {
+ .start = MXC_INT_GPT4,
+ .end = MXC_INT_GPT4,
+ .flags = IORESOURCE_IRQ,
+ }
+};
+
+struct platform_device mxc_gpt3 = {
+ .name = "imx_gpt",
+ .id = 3,
+ .num_resources = ARRAY_SIZE(timer3_resources),
+ .resource = timer3_resources
+};
+
+static struct resource timer4_resources[] = {
+ [0] = {
+ .start = GPT5_BASE_ADDR,
+ .end = GPT5_BASE_ADDR + 0x17,
+ .flags = IORESOURCE_MEM
+ },
+ [1] = {
+ .start = MXC_INT_GPT5,
+ .end = MXC_INT_GPT5,
+ .flags = IORESOURCE_IRQ,
+ }
+};
+
+struct platform_device mxc_gpt4 = {
+ .name = "imx_gpt",
+ .id = 4,
+ .num_resources = ARRAY_SIZE(timer4_resources),
+ .resource = timer4_resources
+};
+
+static struct resource timer5_resources[] = {
+ [0] = {
+ .start = GPT6_BASE_ADDR,
+ .end = GPT6_BASE_ADDR + 0x17,
+ .flags = IORESOURCE_MEM
+ },
+ [1] = {
+ .start = MXC_INT_GPT6,
+ .end = MXC_INT_GPT6,
+ .flags = IORESOURCE_IRQ,
+ }
+};
+
+struct platform_device mxc_gpt5 = {
+ .name = "imx_gpt",
+ .id = 5,
+ .num_resources = ARRAY_SIZE(timer5_resources),
+ .resource = timer5_resources
+};
+#endif
+
+/*
+ * Watchdog:
+ * - i.MX1
+ * - i.MX21
+ * - i.MX27
+ */
+static struct resource mxc_wdt_resources[] = {
+ {
+ .start = WDOG_BASE_ADDR,
+ .end = WDOG_BASE_ADDR + 0x30,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+struct platform_device mxc_wdt = {
+ .name = "mxc_wdt",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(mxc_wdt_resources),
+ .resource = mxc_wdt_resources,
+};
+
+/* GPIO port description */
+static struct mxc_gpio_port imx_gpio_ports[] = {
+ [0] = {
+ .chip.label = "gpio-0",
+ .irq = MXC_INT_GPIO,
+ .base = (void*)(AIPI_BASE_ADDR_VIRT + 0x15000 + 0x100 * 0),
+ .virtual_irq_start = MXC_MAX_INT_LINES,
+ },
+ [1] = {
+ .chip.label = "gpio-1",
+ .base = (void*)(AIPI_BASE_ADDR_VIRT + 0x15000 + 0x100 * 1),
+ .virtual_irq_start = MXC_MAX_INT_LINES + 32,
+ },
+ [2] = {
+ .chip.label = "gpio-2",
+ .base = (void*)(AIPI_BASE_ADDR_VIRT + 0x15000 + 0x100 * 2),
+ .virtual_irq_start = MXC_MAX_INT_LINES + 64,
+ },
+ [3] = {
+ .chip.label = "gpio-3",
+ .base = (void*)(AIPI_BASE_ADDR_VIRT + 0x15000 + 0x100 * 3),
+ .virtual_irq_start = MXC_MAX_INT_LINES + 96,
+ },
+ [4] = {
+ .chip.label = "gpio-4",
+ .base = (void*)(AIPI_BASE_ADDR_VIRT + 0x15000 + 0x100 * 4),
+ .virtual_irq_start = MXC_MAX_INT_LINES + 128,
+ },
+ [5] = {
+ .chip.label = "gpio-5",
+ .base = (void*)(AIPI_BASE_ADDR_VIRT + 0x15000 + 0x100 * 5),
+ .virtual_irq_start = MXC_MAX_INT_LINES + 160,
+ }
+};
+
+int __init mxc_register_gpios(void)
+{
+ return mxc_gpio_init(imx_gpio_ports, ARRAY_SIZE(imx_gpio_ports));
+}
diff --git a/arch/arm/mach-mx2/generic.c b/arch/arm/mach-mx2/generic.c
new file mode 100644
index 00000000000..07875cf00de
--- /dev/null
+++ b/arch/arm/mach-mx2/generic.c
@@ -0,0 +1,74 @@
+/*
+ * generic.c
+ *
+ * Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+
+#include <linux/mm.h>
+#include <linux/init.h>
+#include <asm/hardware.h>
+#include <asm/pgtable.h>
+#include <asm/mach/map.h>
+
+/* MX27 memory map definition */
+static struct map_desc mxc_io_desc[] __initdata = {
+ /*
+ * this fixed mapping covers:
+ * - AIPI1
+ * - AIPI2
+ * - AITC
+ * - ROM Patch
+ * - and some reserved space
+ */
+ {
+ .virtual = AIPI_BASE_ADDR_VIRT,
+ .pfn = __phys_to_pfn(AIPI_BASE_ADDR),
+ .length = AIPI_SIZE,
+ .type = MT_DEVICE
+ },
+ /*
+ * this fixed mapping covers:
+ * - CSI
+ * - ATA
+ */
+ {
+ .virtual = SAHB1_BASE_ADDR_VIRT,
+ .pfn = __phys_to_pfn(SAHB1_BASE_ADDR),
+ .length = SAHB1_SIZE,
+ .type = MT_DEVICE
+ },
+ /*
+ * this fixed mapping covers:
+ * - EMI
+ */
+ {
+ .virtual = X_MEMC_BASE_ADDR_VIRT,
+ .pfn = __phys_to_pfn(X_MEMC_BASE_ADDR),
+ .length = X_MEMC_SIZE,
+ .type = MT_DEVICE
+ }
+};
+
+/*
+ * Initialize the memory map. It is called during the
+ * system startup to create static physical to virtual
+ * memory map for the IO modules.
+ */
+void __init mxc_map_io(void)
+{
+ iotable_init(mxc_io_desc, ARRAY_SIZE(mxc_io_desc));
+}
diff --git a/arch/arm/mach-mx2/mx27ads.c b/arch/arm/mach-mx2/mx27ads.c
new file mode 100644
index 00000000000..a9ff01fff13
--- /dev/null
+++ b/arch/arm/mach-mx2/mx27ads.c
@@ -0,0 +1,304 @@
+/*
+ * Copyright (C) 2000 Deep Blue Solutions Ltd
+ * Copyright (C) 2002 Shane Nay (shane@minirl.com)
+ * Copyright 2006-2007 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <linux/platform_device.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/map.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
+#include <asm/arch/common.h>
+#include <asm/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/time.h>
+#include <asm/mach/map.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/imx-uart.h>
+#include <asm/arch/iomux-mx1-mx2.h>
+#include <asm/arch/board-mx27ads.h>
+
+/* ADS's NOR flash */
+static struct physmap_flash_data mx27ads_flash_data = {
+ .width = 2,
+};
+
+static struct resource mx27ads_flash_resource = {
+ .start = 0xc0000000,
+ .end = 0xc0000000 + 0x02000000 - 1,
+ .flags = IORESOURCE_MEM,
+
+};
+
+static struct platform_device mx27ads_nor_mtd_device = {
+ .name = "physmap-flash",
+ .id = 0,
+ .dev = {
+ .platform_data = &mx27ads_flash_data,
+ },
+ .num_resources = 1,
+ .resource = &mx27ads_flash_resource,
+};
+
+static int mxc_uart0_pins[] = {
+ PE12_PF_UART1_TXD,
+ PE13_PF_UART1_RXD,
+ PE14_PF_UART1_CTS,
+ PE15_PF_UART1_RTS
+};
+
+static int uart_mxc_port0_init(struct platform_device *pdev)
+{
+ return mxc_gpio_setup_multiple_pins(mxc_uart0_pins,
+ ARRAY_SIZE(mxc_uart0_pins),
+ MXC_GPIO_ALLOC_MODE_NORMAL, "UART0");
+}
+
+static int uart_mxc_port0_exit(struct platform_device *pdev)
+{
+ return mxc_gpio_setup_multiple_pins(mxc_uart0_pins,
+ ARRAY_SIZE(mxc_uart0_pins),
+ MXC_GPIO_ALLOC_MODE_RELEASE, "UART0");
+}
+
+static int mxc_uart1_pins[] = {
+ PE3_PF_UART2_CTS,
+ PE4_PF_UART2_RTS,
+ PE6_PF_UART2_TXD,
+ PE7_PF_UART2_RXD
+};
+
+static int uart_mxc_port1_init(struct platform_device *pdev)
+{
+ return mxc_gpio_setup_multiple_pins(mxc_uart1_pins,
+ ARRAY_SIZE(mxc_uart1_pins),
+ MXC_GPIO_ALLOC_MODE_NORMAL, "UART1");
+}
+
+static int uart_mxc_port1_exit(struct platform_device *pdev)
+{
+ return mxc_gpio_setup_multiple_pins(mxc_uart1_pins,
+ ARRAY_SIZE(mxc_uart1_pins),
+ MXC_GPIO_ALLOC_MODE_RELEASE, "UART1");
+}
+
+static int mxc_uart2_pins[] = {
+ PE8_PF_UART3_TXD,
+ PE9_PF_UART3_RXD,
+ PE10_PF_UART3_CTS,
+ PE11_PF_UART3_RTS
+};
+
+static int uart_mxc_port2_init(struct platform_device *pdev)
+{
+ return mxc_gpio_setup_multiple_pins(mxc_uart2_pins,
+ ARRAY_SIZE(mxc_uart2_pins),
+ MXC_GPIO_ALLOC_MODE_NORMAL, "UART2");
+}
+
+static int uart_mxc_port2_exit(struct platform_device *pdev)
+{
+ return mxc_gpio_setup_multiple_pins(mxc_uart2_pins,
+ ARRAY_SIZE(mxc_uart2_pins),
+ MXC_GPIO_ALLOC_MODE_RELEASE, "UART2");
+}
+
+static int mxc_uart3_pins[] = {
+ PB26_AF_UART4_RTS,
+ PB28_AF_UART4_TXD,
+ PB29_AF_UART4_CTS,
+ PB31_AF_UART4_RXD
+};
+
+static int uart_mxc_port3_init(struct platform_device *pdev)
+{
+ return mxc_gpio_setup_multiple_pins(mxc_uart3_pins,
+ ARRAY_SIZE(mxc_uart3_pins),
+ MXC_GPIO_ALLOC_MODE_NORMAL, "UART3");
+}
+
+static int uart_mxc_port3_exit(struct platform_device *pdev)
+{
+ return mxc_gpio_setup_multiple_pins(mxc_uart3_pins,
+ ARRAY_SIZE(mxc_uart3_pins),
+ MXC_GPIO_ALLOC_MODE_RELEASE, "UART3");
+}
+
+static int mxc_uart4_pins[] = {
+ PB18_AF_UART5_TXD,
+ PB19_AF_UART5_RXD,
+ PB20_AF_UART5_CTS,
+ PB21_AF_UART5_RTS
+};
+
+static int uart_mxc_port4_init(struct platform_device *pdev)
+{
+ return mxc_gpio_setup_multiple_pins(mxc_uart4_pins,
+ ARRAY_SIZE(mxc_uart4_pins),
+ MXC_GPIO_ALLOC_MODE_NORMAL, "UART4");
+}
+
+static int uart_mxc_port4_exit(struct platform_device *pdev)
+{
+ return mxc_gpio_setup_multiple_pins(mxc_uart4_pins,
+ ARRAY_SIZE(mxc_uart4_pins),
+ MXC_GPIO_ALLOC_MODE_RELEASE, "UART4");
+}
+
+static int mxc_uart5_pins[] = {
+ PB10_AF_UART6_TXD,
+ PB12_AF_UART6_CTS,
+ PB11_AF_UART6_RXD,
+ PB13_AF_UART6_RTS
+};
+
+static int uart_mxc_port5_init(struct platform_device *pdev)
+{
+ return mxc_gpio_setup_multiple_pins(mxc_uart5_pins,
+ ARRAY_SIZE(mxc_uart5_pins),
+ MXC_GPIO_ALLOC_MODE_NORMAL, "UART5");
+}
+
+static int uart_mxc_port5_exit(struct platform_device *pdev)
+{
+ return mxc_gpio_setup_multiple_pins(mxc_uart5_pins,
+ ARRAY_SIZE(mxc_uart5_pins),
+ MXC_GPIO_ALLOC_MODE_RELEASE, "UART5");
+}
+
+static struct platform_device *platform_devices[] __initdata = {
+ &mx27ads_nor_mtd_device,
+};
+
+static int mxc_fec_pins[] = {
+ PD0_AIN_FEC_TXD0,
+ PD1_AIN_FEC_TXD1,
+ PD2_AIN_FEC_TXD2,
+ PD3_AIN_FEC_TXD3,
+ PD4_AOUT_FEC_RX_ER,
+ PD5_AOUT_FEC_RXD1,
+ PD6_AOUT_FEC_RXD2,
+ PD7_AOUT_FEC_RXD3,
+ PD8_AF_FEC_MDIO,
+ PD9_AIN_FEC_MDC,
+ PD10_AOUT_FEC_CRS,
+ PD11_AOUT_FEC_TX_CLK,
+ PD12_AOUT_FEC_RXD0,
+ PD13_AOUT_FEC_RX_DV,
+ PD14_AOUT_FEC_CLR,
+ PD15_AOUT_FEC_COL,
+ PD16_AIN_FEC_TX_ER,
+ PF23_AIN_FEC_TX_EN
+};
+
+static void gpio_fec_active(void)
+{
+ mxc_gpio_setup_multiple_pins(mxc_fec_pins,
+ ARRAY_SIZE(mxc_fec_pins),
+ MXC_GPIO_ALLOC_MODE_NORMAL, "FEC");
+}
+
+static void gpio_fec_inactive(void)
+{
+ mxc_gpio_setup_multiple_pins(mxc_fec_pins,
+ ARRAY_SIZE(mxc_fec_pins),
+ MXC_GPIO_ALLOC_MODE_RELEASE, "FEC");
+}
+
+static struct imxuart_platform_data uart_pdata[] = {
+ {
+ .init = uart_mxc_port0_init,
+ .exit = uart_mxc_port0_exit,
+ .flags = IMXUART_HAVE_RTSCTS,
+ }, {
+ .init = uart_mxc_port1_init,
+ .exit = uart_mxc_port1_exit,
+ .flags = IMXUART_HAVE_RTSCTS,
+ }, {
+ .init = uart_mxc_port2_init,
+ .exit = uart_mxc_port2_exit,
+ .flags = IMXUART_HAVE_RTSCTS,
+ }, {
+ .init = uart_mxc_port3_init,
+ .exit = uart_mxc_port3_exit,
+ .flags = IMXUART_HAVE_RTSCTS,
+ }, {
+ .init = uart_mxc_port4_init,
+ .exit = uart_mxc_port4_exit,
+ .flags = IMXUART_HAVE_RTSCTS,
+ }, {
+ .init = uart_mxc_port5_init,
+ .exit = uart_mxc_port5_exit,
+ .flags = IMXUART_HAVE_RTSCTS,
+ },
+};
+
+static void __init mx27ads_board_init(void)
+{
+ int i;
+
+ gpio_fec_active();
+
+ for (i = 0; i < 6; i++)
+ imx_init_uart(i, &uart_pdata[i]);
+
+ platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
+}
+
+static void __init mx27ads_timer_init(void)
+{
+ unsigned long fref = 26000000;
+
+ if ((__raw_readw(PBC_VERSION_REG) & CKIH_27MHZ_BIT_SET) == 0)
+ fref = 27000000;
+
+ mxc_clocks_init(fref);
+ mxc_timer_init("gpt_clk.0");
+}
+
+struct sys_timer mx27ads_timer = {
+ .init = mx27ads_timer_init,
+};
+
+static struct map_desc mx27ads_io_desc[] __initdata = {
+ {
+ .virtual = PBC_BASE_ADDRESS,
+ .pfn = __phys_to_pfn(CS4_BASE_ADDR),
+ .length = SZ_1M,
+ .type = MT_DEVICE,
+ },
+};
+
+void __init mx27ads_map_io(void)
+{
+ mxc_map_io();
+ iotable_init(mx27ads_io_desc, ARRAY_SIZE(mx27ads_io_desc));
+}
+
+MACHINE_START(MX27ADS, "Freescale i.MX27ADS")
+ /* maintainer: Freescale Semiconductor, Inc. */
+ .phys_io = AIPI_BASE_ADDR,
+ .io_pg_offst = ((AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc,
+ .boot_params = PHYS_OFFSET + 0x100,
+ .map_io = mx27ads_map_io,
+ .init_irq = mxc_init_irq,
+ .init_machine = mx27ads_board_init,
+ .timer = &mx27ads_timer,
+MACHINE_END
+
diff --git a/arch/arm/mach-mx2/pcm038.c b/arch/arm/mach-mx2/pcm038.c
new file mode 100644
index 00000000000..a9a28f58e71
--- /dev/null
+++ b/arch/arm/mach-mx2/pcm038.c
@@ -0,0 +1,204 @@
+/*
+ * Copyright 2007 Robert Schwebel <r.schwebel@pengutronix.de>, Pengutronix
+ * Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+
+#include <linux/platform_device.h>
+#include <linux/mtd/physmap.h>
+#include <asm/mach/arch.h>
+#include <asm/mach-types.h>
+#include <asm/arch/common.h>
+#include <asm/hardware.h>
+#include <asm/arch/iomux-mx1-mx2.h>
+#include <asm/mach/time.h>
+#include <asm/arch/imx-uart.h>
+#include <asm/arch/board-pcm038.h>
+
+/*
+ * Phytec's phyCORE-i.MX27 comes with 32MiB flash,
+ * 16 bit width
+ */
+static struct physmap_flash_data pcm038_flash_data = {
+ .width = 2,
+};
+
+static struct resource pcm038_flash_resource = {
+ .start = 0xc0000000,
+ .end = 0xc1ffffff,
+ .flags = IORESOURCE_MEM,
+};
+
+static struct platform_device pcm038_nor_mtd_device = {
+ .name = "physmap-flash",
+ .id = 0,
+ .dev = {
+ .platform_data = &pcm038_flash_data,
+ },
+ .num_resources = 1,
+ .resource = &pcm038_flash_resource,
+};
+
+static int mxc_uart0_pins[] = {
+ PE12_PF_UART1_TXD,
+ PE13_PF_UART1_RXD,
+ PE14_PF_UART1_CTS,
+ PE15_PF_UART1_RTS
+};
+
+static int uart_mxc_port0_init(struct platform_device *pdev)
+{
+ return mxc_gpio_setup_multiple_pins(mxc_uart0_pins,
+ ARRAY_SIZE(mxc_uart0_pins),
+ MXC_GPIO_ALLOC_MODE_NORMAL, "UART0");
+}
+
+static int uart_mxc_port0_exit(struct platform_device *pdev)
+{
+ return mxc_gpio_setup_multiple_pins(mxc_uart0_pins,
+ ARRAY_SIZE(mxc_uart0_pins),
+ MXC_GPIO_ALLOC_MODE_RELEASE, "UART0");
+}
+
+static int mxc_uart1_pins[] = {
+ PE3_PF_UART2_CTS,
+ PE4_PF_UART2_RTS,
+ PE6_PF_UART2_TXD,
+ PE7_PF_UART2_RXD
+};
+
+static int uart_mxc_port1_init(struct platform_device *pdev)
+{
+ return mxc_gpio_setup_multiple_pins(mxc_uart1_pins,
+ ARRAY_SIZE(mxc_uart1_pins),
+ MXC_GPIO_ALLOC_MODE_NORMAL, "UART1");
+}
+
+static int uart_mxc_port1_exit(struct platform_device *pdev)
+{
+ return mxc_gpio_setup_multiple_pins(mxc_uart1_pins,
+ ARRAY_SIZE(mxc_uart1_pins),
+ MXC_GPIO_ALLOC_MODE_RELEASE, "UART1");
+}
+
+static int mxc_uart2_pins[] = { PE10_PF_UART3_CTS,
+ PE9_PF_UART3_RXD,
+ PE10_PF_UART3_CTS,
+ PE9_PF_UART3_RXD };
+
+static int uart_mxc_port2_init(struct platform_device *pdev)
+{
+ return mxc_gpio_setup_multiple_pins(mxc_uart2_pins,
+ ARRAY_SIZE(mxc_uart2_pins),
+ MXC_GPIO_ALLOC_MODE_NORMAL, "UART2");
+}
+
+static int uart_mxc_port2_exit(struct platform_device *pdev)
+{
+ return mxc_gpio_setup_multiple_pins(mxc_uart2_pins,
+ ARRAY_SIZE(mxc_uart2_pins),
+ MXC_GPIO_ALLOC_MODE_RELEASE, "UART2");
+}
+
+static struct imxuart_platform_data uart_pdata[] = {
+ {
+ .init = uart_mxc_port0_init,
+ .exit = uart_mxc_port0_exit,
+ .flags = IMXUART_HAVE_RTSCTS,
+ }, {
+ .init = uart_mxc_port1_init,
+ .exit = uart_mxc_port1_exit,
+ .flags = IMXUART_HAVE_RTSCTS,
+ }, {
+ .init = uart_mxc_port2_init,
+ .exit = uart_mxc_port2_exit,
+ .flags = IMXUART_HAVE_RTSCTS,
+ },
+};
+
+static int mxc_fec_pins[] = {
+ PD0_AIN_FEC_TXD0,
+ PD1_AIN_FEC_TXD1,
+ PD2_AIN_FEC_TXD2,
+ PD3_AIN_FEC_TXD3,
+ PD4_AOUT_FEC_RX_ER,
+ PD5_AOUT_FEC_RXD1,
+ PD6_AOUT_FEC_RXD2,
+ PD7_AOUT_FEC_RXD3,
+ PD8_AF_FEC_MDIO,
+ PD9_AIN_FEC_MDC,
+ PD10_AOUT_FEC_CRS,
+ PD11_AOUT_FEC_TX_CLK,
+ PD12_AOUT_FEC_RXD0,
+ PD13_AOUT_FEC_RX_DV,
+ PD14_AOUT_FEC_CLR,
+ PD15_AOUT_FEC_COL,
+ PD16_AIN_FEC_TX_ER,
+ PF23_AIN_FEC_TX_EN
+};
+
+static void gpio_fec_active(void)
+{
+ mxc_gpio_setup_multiple_pins(mxc_fec_pins,
+ ARRAY_SIZE(mxc_fec_pins),
+ MXC_GPIO_ALLOC_MODE_NORMAL, "FEC");
+}
+
+static void gpio_fec_inactive(void)
+{
+ mxc_gpio_setup_multiple_pins(mxc_fec_pins,
+ ARRAY_SIZE(mxc_fec_pins),
+ MXC_GPIO_ALLOC_MODE_RELEASE, "FEC");
+}
+
+static struct platform_device *platform_devices[] __initdata = {
+ &pcm038_nor_mtd_device,
+};
+
+static void __init pcm038_init(void)
+{
+ int i;
+ gpio_fec_active();
+
+ for (i = 0; i < 3; i++)
+ imx_init_uart(i, &uart_pdata[i]);
+
+ platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
+
+#ifdef CONFIG_MACH_PCM970_BASEBOARD
+ pcm970_baseboard_init();
+#endif
+}
+
+static void __init pcm038_timer_init(void)
+{
+ mxc_clocks_init(26000000);
+ mxc_timer_init("gpt_clk.0");
+}
+
+struct sys_timer pcm038_timer = {
+ .init = pcm038_timer_init,
+};
+
+MACHINE_START(PCM038, "phyCORE-i.MX27")
+ .phys_io = AIPI_BASE_ADDR,
+ .io_pg_offst = ((AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc,
+ .boot_params = PHYS_OFFSET + 0x100,
+ .map_io = mxc_map_io,
+ .init_irq = mxc_init_irq,
+ .init_machine = pcm038_init,
+ .timer = &pcm038_timer,
+MACHINE_END
diff --git a/arch/arm/mach-mx2/pcm970-baseboard.c b/arch/arm/mach-mx2/pcm970-baseboard.c
new file mode 100644
index 00000000000..028ac4d3368
--- /dev/null
+++ b/arch/arm/mach-mx2/pcm970-baseboard.c
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+
+#include <linux/platform_device.h>
+#include <asm/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+
+/*
+ * system init for baseboard usage. Will be called by pcm038 init.
+ *
+ * Add platform devices present on this baseboard and init
+ * them from CPU side as far as required to use them later on
+ */
+void __init pcm970_baseboard_init(void)
+{
+}
diff --git a/arch/arm/mach-mx2/serial.c b/arch/arm/mach-mx2/serial.c
new file mode 100644
index 00000000000..570c02b8e5d
--- /dev/null
+++ b/arch/arm/mach-mx2/serial.c
@@ -0,0 +1,177 @@
+/*
+ * Copyright 2006-2007 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2008 Juergen Beisert, kernel@pengutronix.de
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/serial.h>
+#include <asm/hardware.h>
+#include <asm/arch/imx-uart.h>
+
+static struct resource uart0[] = {
+ {
+ .start = UART1_BASE_ADDR,
+ .end = UART1_BASE_ADDR + 0x0B5,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = MXC_INT_UART1,
+ .end = MXC_INT_UART1,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device mxc_uart_device0 = {
+ .name = "imx-uart",
+ .id = 0,
+ .resource = uart0,
+ .num_resources = ARRAY_SIZE(uart0),
+};
+
+static struct resource uart1[] = {
+ {
+ .start = UART2_BASE_ADDR,
+ .end = UART2_BASE_ADDR + 0x0B5,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = MXC_INT_UART2,
+ .end = MXC_INT_UART2,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device mxc_uart_device1 = {
+ .name = "imx-uart",
+ .id = 1,
+ .resource = uart1,
+ .num_resources = ARRAY_SIZE(uart1),
+};
+
+static struct resource uart2[] = {
+ {
+ .start = UART3_BASE_ADDR,
+ .end = UART3_BASE_ADDR + 0x0B5,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = MXC_INT_UART3,
+ .end = MXC_INT_UART3,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device mxc_uart_device2 = {
+ .name = "imx-uart",
+ .id = 2,
+ .resource = uart2,
+ .num_resources = ARRAY_SIZE(uart2),
+};
+
+static struct resource uart3[] = {
+ {
+ .start = UART4_BASE_ADDR,
+ .end = UART4_BASE_ADDR + 0x0B5,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = MXC_INT_UART4,
+ .end = MXC_INT_UART4,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device mxc_uart_device3 = {
+ .name = "imx-uart",
+ .id = 3,
+ .resource = uart3,
+ .num_resources = ARRAY_SIZE(uart3),
+};
+
+static struct resource uart4[] = {
+ {
+ .start = UART5_BASE_ADDR,
+ .end = UART5_BASE_ADDR + 0x0B5,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = MXC_INT_UART5,
+ .end = MXC_INT_UART5,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device mxc_uart_device4 = {
+ .name = "imx-uart",
+ .id = 4,
+ .resource = uart4,
+ .num_resources = ARRAY_SIZE(uart4),
+};
+
+static struct resource uart5[] = {
+ {
+ .start = UART6_BASE_ADDR,
+ .end = UART6_BASE_ADDR + 0x0B5,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = MXC_INT_UART6,
+ .end = MXC_INT_UART6,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device mxc_uart_device5 = {
+ .name = "imx-uart",
+ .id = 5,
+ .resource = uart5,
+ .num_resources = ARRAY_SIZE(uart5),
+};
+
+/*
+ * Register only those UARTs that physically exists
+ */
+int __init imx_init_uart(int uart_no, struct imxuart_platform_data *pdata)
+{
+ switch (uart_no) {
+ case 0:
+ mxc_uart_device0.dev.platform_data = pdata;
+ platform_device_register(&mxc_uart_device0);
+ break;
+ case 1:
+ mxc_uart_device1.dev.platform_data = pdata;
+ platform_device_register(&mxc_uart_device1);
+ break;
+#ifndef CONFIG_MXC_IRDA
+ case 2:
+ mxc_uart_device2.dev.platform_data = pdata;
+ platform_device_register(&mxc_uart_device2);
+ break;
+#endif
+ case 3:
+ mxc_uart_device3.dev.platform_data = pdata;
+ platform_device_register(&mxc_uart_device3);
+ break;
+ case 4:
+ mxc_uart_device4.dev.platform_data = pdata;
+ platform_device_register(&mxc_uart_device4);
+ break;
+ case 5:
+ mxc_uart_device5.dev.platform_data = pdata;
+ platform_device_register(&mxc_uart_device5);
+ break;
+ default:
+ return -ENODEV;
+ }
+
+ return 0;
+}
diff --git a/arch/arm/mach-mx2/system.c b/arch/arm/mach-mx2/system.c
new file mode 100644
index 00000000000..99304645299
--- /dev/null
+++ b/arch/arm/mach-mx2/system.c
@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 1999 ARM Limited
+ * Copyright (C) 2000 Deep Blue Solutions Ltd
+ * Copyright 2006-2007 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2008 Juergen Beisert, kernel@pengutronix.de
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <linux/kernel.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+
+#include <asm/arch/hardware.h>
+#include <asm/proc-fns.h>
+#include <asm/system.h>
+
+/*
+ * Put the CPU into idle mode. It is called by default_idle()
+ * in process.c file.
+ */
+void arch_idle(void)
+{
+ /*
+ * This should do all the clock switching
+ * and wait for interrupt tricks.
+ */
+ cpu_do_idle();
+}
+
+#define WDOG_WCR_REG IO_ADDRESS(WDOG_BASE_ADDR)
+#define WDOG_WCR_SRS (1 << 4)
+
+/*
+ * Reset the system. It is called by machine_restart().
+ */
+void arch_reset(char mode)
+{
+ struct clk *clk;
+
+ clk = clk_get(NULL, "wdog_clk");
+ if (!clk) {
+ printk(KERN_ERR"Cannot activate the watchdog. Giving up\n");
+ return;
+ }
+
+ clk_enable(clk);
+
+ /* Assert SRS signal */
+ __raw_writew(__raw_readw(WDOG_WCR_REG) & ~WDOG_WCR_SRS, WDOG_WCR_REG);
+}
diff --git a/arch/arm/mach-mx3/Kconfig b/arch/arm/mach-mx3/Kconfig
index 5fe8606cac0..db9431dee1b 100644
--- a/arch/arm/mach-mx3/Kconfig
+++ b/arch/arm/mach-mx3/Kconfig
@@ -8,5 +8,18 @@ config MACH_MX31ADS
Include support for MX31ADS platform. This includes specific
configurations for the board and its peripherals.
+config MACH_PCM037
+ bool "Support Phytec pcm037 platforms"
+ help
+ Include support for Phytec pcm037 platform. This includes
+ specific configurations for the board and its peripherals.
+
+config MACH_MX31LITE
+ bool "Support MX31 LITEKIT (LogicPD)"
+ default n
+ help
+ Include support for MX31 LITEKIT platform. This includes specific
+ configurations for the board and its peripherals.
+
endmenu
diff --git a/arch/arm/mach-mx3/Makefile b/arch/arm/mach-mx3/Makefile
index cbec997f332..8b21abb71fb 100644
--- a/arch/arm/mach-mx3/Makefile
+++ b/arch/arm/mach-mx3/Makefile
@@ -4,5 +4,7 @@
# Object file lists.
-obj-y := mm.o time.o
+obj-y := mm.o clock.o devices.o iomux.o
obj-$(CONFIG_MACH_MX31ADS) += mx31ads.o
+obj-$(CONFIG_MACH_MX31LITE) += mx31lite.o
+obj-$(CONFIG_MACH_PCM037) += pcm037.o
diff --git a/arch/arm/mach-mx3/clock.c b/arch/arm/mach-mx3/clock.c
new file mode 100644
index 00000000000..2f3635943e7
--- /dev/null
+++ b/arch/arm/mach-mx3/clock.c
@@ -0,0 +1,1147 @@
+/*
+ * Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright (C) 2008 by Sascha Hauer <kernel@pengutronix.de>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+
+#include <linux/module.h>
+#include <linux/spinlock.h>
+#include <linux/delay.h>
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <asm/arch/clock.h>
+#include <asm/div64.h>
+
+#include "crm_regs.h"
+
+#define PRE_DIV_MIN_FREQ 10000000 /* Minimum Frequency after Predivider */
+
+static void __calc_pre_post_dividers(u32 div, u32 *pre, u32 *post)
+{
+ u32 min_pre, temp_pre, old_err, err;
+
+ if (div >= 512) {
+ *pre = 8;
+ *post = 64;
+ } else if (div >= 64) {
+ min_pre = (div - 1) / 64 + 1;
+ old_err = 8;
+ for (temp_pre = 8; temp_pre >= min_pre; temp_pre--) {
+ err = div % temp_pre;
+ if (err == 0) {
+ *pre = temp_pre;
+ break;
+ }
+ err = temp_pre - err;
+ if (err < old_err) {
+ old_err = err;
+ *pre = temp_pre;
+ }
+ }
+ *post = (div + *pre - 1) / *pre;
+ } else if (div <= 8) {
+ *pre = div;
+ *post = 1;
+ } else {
+ *pre = 1;
+ *post = div;
+ }
+}
+
+static struct clk mcu_pll_clk;
+static struct clk mcu_main_clk;
+static struct clk usb_pll_clk;
+static struct clk serial_pll_clk;
+static struct clk ipg_clk;
+static struct clk ckih_clk;
+static struct clk ahb_clk;
+
+static int _clk_enable(struct clk *clk)
+{
+ u32 reg;
+
+ reg = __raw_readl(clk->enable_reg);
+ reg |= 3 << clk->enable_shift;
+ __raw_writel(reg, clk->enable_reg);
+
+ return 0;
+}
+
+static void _clk_disable(struct clk *clk)
+{
+ u32 reg;
+
+ reg = __raw_readl(clk->enable_reg);
+ reg &= ~(3 << clk->enable_shift);
+ __raw_writel(reg, clk->enable_reg);
+}
+
+static void _clk_emi_disable(struct clk *clk)
+{
+ u32 reg;
+
+ reg = __raw_readl(clk->enable_reg);
+ reg &= ~(3 << clk->enable_shift);
+ reg |= (1 << clk->enable_shift);
+ __raw_writel(reg, clk->enable_reg);
+}
+
+static int _clk_pll_set_rate(struct clk *clk, unsigned long rate)
+{
+ u32 reg;
+ signed long pd = 1; /* Pre-divider */
+ signed long mfi; /* Multiplication Factor (Integer part) */
+ signed long mfn; /* Multiplication Factor (Integer part) */
+ signed long mfd; /* Multiplication Factor (Denominator Part) */
+ signed long tmp;
+ u32 ref_freq = clk_get_rate(clk->parent);
+
+ while (((ref_freq / pd) * 10) > rate)
+ pd++;
+
+ if ((ref_freq / pd) < PRE_DIV_MIN_FREQ)
+ return -EINVAL;
+
+ /* the ref_freq/2 in the following is to round up */
+ mfi = (((rate / 2) * pd) + (ref_freq / 2)) / ref_freq;
+ if (mfi < 5 || mfi > 15)
+ return -EINVAL;
+
+ /* pick a mfd value that will work
+ * then solve for mfn */
+ mfd = ref_freq / 50000;
+
+ /*
+ * pll_freq * pd * mfd
+ * mfn = -------------------- - (mfi * mfd)
+ * 2 * ref_freq
+ */
+ /* the tmp/2 is for rounding */
+ tmp = ref_freq / 10000;
+ mfn =
+ ((((((rate / 2) + (tmp / 2)) / tmp) * pd) * mfd) / 10000) -
+ (mfi * mfd);
+
+ mfn = mfn & 0x3ff;
+ pd--;
+ mfd--;
+
+ /* Change the Pll value */
+ reg = (mfi << MXC_CCM_PCTL_MFI_OFFSET) |
+ (mfn << MXC_CCM_PCTL_MFN_OFFSET) |
+ (mfd << MXC_CCM_PCTL_MFD_OFFSET) | (pd << MXC_CCM_PCTL_PD_OFFSET);
+
+ if (clk == &mcu_pll_clk)
+ __raw_writel(reg, MXC_CCM_MPCTL);
+ else if (clk == &usb_pll_clk)
+ __raw_writel(reg, MXC_CCM_UPCTL);
+ else if (clk == &serial_pll_clk)
+ __raw_writel(reg, MXC_CCM_SRPCTL);
+
+ return 0;
+}
+
+static unsigned long _clk_pll_get_rate(struct clk *clk)
+{
+ long mfi, mfn, mfd, pdf, ref_clk, mfn_abs;
+ unsigned long reg, ccmr;
+ s64 temp;
+ unsigned int prcs;
+
+ ccmr = __raw_readl(MXC_CCM_CCMR);
+ prcs = (ccmr & MXC_CCM_CCMR_PRCS_MASK) >> MXC_CCM_CCMR_PRCS_OFFSET;
+ if (prcs == 0x1)
+ ref_clk = CKIL_CLK_FREQ * 1024;
+ else
+ ref_clk = clk_get_rate(&ckih_clk);
+
+ if (clk == &mcu_pll_clk) {
+ if ((ccmr & MXC_CCM_CCMR_MPE) == 0)
+ return ref_clk;
+ if ((ccmr & MXC_CCM_CCMR_MDS) != 0)
+ return ref_clk;
+ reg = __raw_readl(MXC_CCM_MPCTL);
+ } else if (clk == &usb_pll_clk)
+ reg = __raw_readl(MXC_CCM_UPCTL);
+ else if (clk == &serial_pll_clk)
+ reg = __raw_readl(MXC_CCM_SRPCTL);
+ else {
+ BUG();
+ return 0;
+ }
+
+ pdf = (reg & MXC_CCM_PCTL_PD_MASK) >> MXC_CCM_PCTL_PD_OFFSET;
+ mfd = (reg & MXC_CCM_PCTL_MFD_MASK) >> MXC_CCM_PCTL_MFD_OFFSET;
+ mfi = (reg & MXC_CCM_PCTL_MFI_MASK) >> MXC_CCM_PCTL_MFI_OFFSET;
+ mfi = (mfi <= 5) ? 5 : mfi;
+ mfn = mfn_abs = reg & MXC_CCM_PCTL_MFN_MASK;
+
+ if (mfn >= 0x200) {
+ mfn |= 0xFFFFFE00;
+ mfn_abs = -mfn;
+ }
+
+ ref_clk *= 2;
+ ref_clk /= pdf + 1;
+
+ temp = (u64) ref_clk * mfn_abs;
+ do_div(temp, mfd + 1);
+ if (mfn < 0)
+ temp = -temp;
+ temp = (ref_clk * mfi) + temp;
+
+ return temp;
+}
+
+static int _clk_usb_pll_enable(struct clk *clk)
+{
+ u32 reg;
+
+ reg = __raw_readl(MXC_CCM_CCMR);
+ reg |= MXC_CCM_CCMR_UPE;
+ __raw_writel(reg, MXC_CCM_CCMR);
+
+ /* No lock bit on MX31, so using max time from spec */
+ udelay(80);
+
+ return 0;
+}
+
+static void _clk_usb_pll_disable(struct clk *clk)
+{
+ u32 reg;
+
+ reg = __raw_readl(MXC_CCM_CCMR);
+ reg &= ~MXC_CCM_CCMR_UPE;
+ __raw_writel(reg, MXC_CCM_CCMR);
+}
+
+static int _clk_serial_pll_enable(struct clk *clk)
+{
+ u32 reg;
+
+ reg = __raw_readl(MXC_CCM_CCMR);
+ reg |= MXC_CCM_CCMR_SPE;
+ __raw_writel(reg, MXC_CCM_CCMR);
+
+ /* No lock bit on MX31, so using max time from spec */
+ udelay(80);
+
+ return 0;
+}
+
+static void _clk_serial_pll_disable(struct clk *clk)
+{
+ u32 reg;
+
+ reg = __raw_readl(MXC_CCM_CCMR);
+ reg &= ~MXC_CCM_CCMR_SPE;
+ __raw_writel(reg, MXC_CCM_CCMR);
+}
+
+#define PDR0(mask, off) ((__raw_readl(MXC_CCM_PDR0) & mask) >> off)
+#define PDR1(mask, off) ((__raw_readl(MXC_CCM_PDR1) & mask) >> off)
+#define PDR2(mask, off) ((__raw_readl(MXC_CCM_PDR2) & mask) >> off)
+
+static unsigned long _clk_mcu_main_get_rate(struct clk *clk)
+{
+ u32 pmcr0 = __raw_readl(MXC_CCM_PMCR0);
+
+ if ((pmcr0 & MXC_CCM_PMCR0_DFSUP1) == MXC_CCM_PMCR0_DFSUP1_SPLL)
+ return clk_get_rate(&serial_pll_clk);
+ else
+ return clk_get_rate(&mcu_pll_clk);
+}
+
+static unsigned long _clk_hclk_get_rate(struct clk *clk)
+{
+ unsigned long max_pdf;
+
+ max_pdf = PDR0(MXC_CCM_PDR0_MAX_PODF_MASK,
+ MXC_CCM_PDR0_MAX_PODF_OFFSET);
+ return clk_get_rate(clk->parent) / (max_pdf + 1);
+}
+
+static unsigned long _clk_ipg_get_rate(struct clk *clk)
+{
+ unsigned long ipg_pdf;
+
+ ipg_pdf = PDR0(MXC_CCM_PDR0_IPG_PODF_MASK,
+ MXC_CCM_PDR0_IPG_PODF_OFFSET);
+ return clk_get_rate(clk->parent) / (ipg_pdf + 1);
+}
+
+static unsigned long _clk_nfc_get_rate(struct clk *clk)
+{
+ unsigned long nfc_pdf;
+
+ nfc_pdf = PDR0(MXC_CCM_PDR0_NFC_PODF_MASK,
+ MXC_CCM_PDR0_NFC_PODF_OFFSET);
+ return clk_get_rate(clk->parent) / (nfc_pdf + 1);
+}
+
+static unsigned long _clk_hsp_get_rate(struct clk *clk)
+{
+ unsigned long hsp_pdf;
+
+ hsp_pdf = PDR0(MXC_CCM_PDR0_HSP_PODF_MASK,
+ MXC_CCM_PDR0_HSP_PODF_OFFSET);
+ return clk_get_rate(clk->parent) / (hsp_pdf + 1);
+}
+
+static unsigned long _clk_usb_get_rate(struct clk *clk)
+{
+ unsigned long usb_pdf, usb_prepdf;
+
+ usb_pdf = PDR1(MXC_CCM_PDR1_USB_PODF_MASK,
+ MXC_CCM_PDR1_USB_PODF_OFFSET);
+ usb_prepdf = PDR1(MXC_CCM_PDR1_USB_PRDF_MASK,
+ MXC_CCM_PDR1_USB_PRDF_OFFSET);
+ return clk_get_rate(clk->parent) / (usb_prepdf + 1) / (usb_pdf + 1);
+}
+
+static unsigned long _clk_csi_get_rate(struct clk *clk)
+{
+ u32 reg, pre, post;
+
+ reg = __raw_readl(MXC_CCM_PDR0);
+ pre = (reg & MXC_CCM_PDR0_CSI_PRDF_MASK) >>
+ MXC_CCM_PDR0_CSI_PRDF_OFFSET;
+ pre++;
+ post = (reg & MXC_CCM_PDR0_CSI_PODF_MASK) >>
+ MXC_CCM_PDR0_CSI_PODF_OFFSET;
+ post++;
+ return clk_get_rate(clk->parent) / (pre * post);
+}
+
+static unsigned long _clk_csi_round_rate(struct clk *clk, unsigned long rate)
+{
+ u32 pre, post, parent = clk_get_rate(clk->parent);
+ u32 div = parent / rate;
+
+ if (parent % rate)
+ div++;
+
+ __calc_pre_post_dividers(div, &pre, &post);
+
+ return parent / (pre * post);
+}
+
+static int _clk_csi_set_rate(struct clk *clk, unsigned long rate)
+{
+ u32 reg, div, pre, post, parent = clk_get_rate(clk->parent);
+
+ div = parent / rate;
+
+ if ((parent / div) != rate)
+ return -EINVAL;
+
+ __calc_pre_post_dividers(div, &pre, &post);
+
+ /* Set CSI clock divider */
+ reg = __raw_readl(MXC_CCM_PDR0) &
+ ~(MXC_CCM_PDR0_CSI_PODF_MASK | MXC_CCM_PDR0_CSI_PRDF_MASK);
+ reg |= (post - 1) << MXC_CCM_PDR0_CSI_PODF_OFFSET;
+ reg |= (pre - 1) << MXC_CCM_PDR0_CSI_PRDF_OFFSET;
+ __raw_writel(reg, MXC_CCM_PDR0);
+
+ return 0;
+}
+
+static unsigned long _clk_per_get_rate(struct clk *clk)
+{
+ unsigned long per_pdf;
+
+ per_pdf = PDR0(MXC_CCM_PDR0_PER_PODF_MASK,
+ MXC_CCM_PDR0_PER_PODF_OFFSET);
+ return clk_get_rate(clk->parent) / (per_pdf + 1);
+}
+
+static unsigned long _clk_ssi1_get_rate(struct clk *clk)
+{
+ unsigned long ssi1_pdf, ssi1_prepdf;
+
+ ssi1_pdf = PDR1(MXC_CCM_PDR1_SSI1_PODF_MASK,
+ MXC_CCM_PDR1_SSI1_PODF_OFFSET);
+ ssi1_prepdf = PDR1(MXC_CCM_PDR1_SSI1_PRE_PODF_MASK,
+ MXC_CCM_PDR1_SSI1_PRE_PODF_OFFSET);
+ return clk_get_rate(clk->parent) / (ssi1_prepdf + 1) / (ssi1_pdf + 1);
+}
+
+static unsigned long _clk_ssi2_get_rate(struct clk *clk)
+{
+ unsigned long ssi2_pdf, ssi2_prepdf;
+
+ ssi2_pdf = PDR1(MXC_CCM_PDR1_SSI2_PODF_MASK,
+ MXC_CCM_PDR1_SSI2_PODF_OFFSET);
+ ssi2_prepdf = PDR1(MXC_CCM_PDR1_SSI2_PRE_PODF_MASK,
+ MXC_CCM_PDR1_SSI2_PRE_PODF_OFFSET);
+ return clk_get_rate(clk->parent) / (ssi2_prepdf + 1) / (ssi2_pdf + 1);
+}
+
+static unsigned long _clk_firi_get_rate(struct clk *clk)
+{
+ unsigned long firi_pdf, firi_prepdf;
+
+ firi_pdf = PDR1(MXC_CCM_PDR1_FIRI_PODF_MASK,
+ MXC_CCM_PDR1_FIRI_PODF_OFFSET);
+ firi_prepdf = PDR1(MXC_CCM_PDR1_FIRI_PRE_PODF_MASK,
+ MXC_CCM_PDR1_FIRI_PRE_PODF_OFFSET);
+ return clk_get_rate(clk->parent) / (firi_prepdf + 1) / (firi_pdf + 1);
+}
+
+static unsigned long _clk_firi_round_rate(struct clk *clk, unsigned long rate)
+{
+ u32 pre, post;
+ u32 parent = clk_get_rate(clk->parent);
+ u32 div = parent / rate;
+
+ if (parent % rate)
+ div++;
+
+ __calc_pre_post_dividers(div, &pre, &post);
+
+ return parent / (pre * post);
+
+}
+
+static int _clk_firi_set_rate(struct clk *clk, unsigned long rate)
+{
+ u32 reg, div, pre, post, parent = clk_get_rate(clk->parent);
+
+ div = parent / rate;
+
+ if ((parent / div) != rate)
+ return -EINVAL;
+
+ __calc_pre_post_dividers(div, &pre, &post);
+
+ /* Set FIRI clock divider */
+ reg = __raw_readl(MXC_CCM_PDR1) &
+ ~(MXC_CCM_PDR1_FIRI_PODF_MASK | MXC_CCM_PDR1_FIRI_PRE_PODF_MASK);
+ reg |= (pre - 1) << MXC_CCM_PDR1_FIRI_PRE_PODF_OFFSET;
+ reg |= (post - 1) << MXC_CCM_PDR1_FIRI_PODF_OFFSET;
+ __raw_writel(reg, MXC_CCM_PDR1);
+
+ return 0;
+}
+
+static unsigned long _clk_mbx_get_rate(struct clk *clk)
+{
+ return clk_get_rate(clk->parent) / 2;
+}
+
+static unsigned long _clk_mstick1_get_rate(struct clk *clk)
+{
+ unsigned long msti_pdf;
+
+ msti_pdf = PDR2(MXC_CCM_PDR2_MST1_PDF_MASK,
+ MXC_CCM_PDR2_MST1_PDF_OFFSET);
+ return clk_get_rate(clk->parent) / (msti_pdf + 1);
+}
+
+static unsigned long _clk_mstick2_get_rate(struct clk *clk)
+{
+ unsigned long msti_pdf;
+
+ msti_pdf = PDR2(MXC_CCM_PDR2_MST2_PDF_MASK,
+ MXC_CCM_PDR2_MST2_PDF_OFFSET);
+ return clk_get_rate(clk->parent) / (msti_pdf + 1);
+}
+
+static unsigned long ckih_rate;
+
+static unsigned long clk_ckih_get_rate(struct clk *clk)
+{
+ return ckih_rate;
+}
+
+static struct clk ckih_clk = {
+ .name = "ckih",
+ .get_rate = clk_ckih_get_rate,
+};
+
+static unsigned long clk_ckil_get_rate(struct clk *clk)
+{
+ return CKIL_CLK_FREQ;
+}
+
+static struct clk ckil_clk = {
+ .name = "ckil",
+ .get_rate = clk_ckil_get_rate,
+};
+
+static struct clk mcu_pll_clk = {
+ .name = "mcu_pll",
+ .parent = &ckih_clk,
+ .set_rate = _clk_pll_set_rate,
+ .get_rate = _clk_pll_get_rate,
+};
+
+static struct clk mcu_main_clk = {
+ .name = "mcu_main_clk",
+ .parent = &mcu_pll_clk,
+ .get_rate = _clk_mcu_main_get_rate,
+};
+
+static struct clk serial_pll_clk = {
+ .name = "serial_pll",
+ .parent = &ckih_clk,
+ .set_rate = _clk_pll_set_rate,
+ .get_rate = _clk_pll_get_rate,
+ .enable = _clk_serial_pll_enable,
+ .disable = _clk_serial_pll_disable,
+};
+
+static struct clk usb_pll_clk = {
+ .name = "usb_pll",
+ .parent = &ckih_clk,
+ .set_rate = _clk_pll_set_rate,
+ .get_rate = _clk_pll_get_rate,
+ .enable = _clk_usb_pll_enable,
+ .disable = _clk_usb_pll_disable,
+};
+
+static struct clk ahb_clk = {
+ .name = "ahb_clk",
+ .parent = &mcu_main_clk,
+ .get_rate = _clk_hclk_get_rate,
+};
+
+static struct clk per_clk = {
+ .name = "per_clk",
+ .parent = &usb_pll_clk,
+ .get_rate = _clk_per_get_rate,
+};
+
+static struct clk perclk_clk = {
+ .name = "perclk_clk",
+ .parent = &ipg_clk,
+};
+
+static struct clk cspi_clk[] = {
+ {
+ .name = "cspi_clk",
+ .id = 0,
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = MXC_CCM_CGR2,
+ .enable_shift = MXC_CCM_CGR2_CSPI1_OFFSET,
+ .disable = _clk_disable,},
+ {
+ .name = "cspi_clk",
+ .id = 1,
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = MXC_CCM_CGR2,
+ .enable_shift = MXC_CCM_CGR2_CSPI2_OFFSET,
+ .disable = _clk_disable,},
+ {
+ .name = "cspi_clk",
+ .id = 2,
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = MXC_CCM_CGR0,
+ .enable_shift = MXC_CCM_CGR0_CSPI3_OFFSET,
+ .disable = _clk_disable,},
+};
+
+static struct clk ipg_clk = {
+ .name = "ipg_clk",
+ .parent = &ahb_clk,
+ .get_rate = _clk_ipg_get_rate,
+};
+
+static struct clk emi_clk = {
+ .name = "emi_clk",
+ .parent = &ahb_clk,
+ .enable = _clk_enable,
+ .enable_reg = MXC_CCM_CGR2,
+ .enable_shift = MXC_CCM_CGR2_EMI_OFFSET,
+ .disable = _clk_emi_disable,
+};
+
+static struct clk gpt_clk = {
+ .name = "gpt_clk",
+ .parent = &perclk_clk,
+ .enable = _clk_enable,
+ .enable_reg = MXC_CCM_CGR0,
+ .enable_shift = MXC_CCM_CGR0_GPT_OFFSET,
+ .disable = _clk_disable,
+};
+
+static struct clk pwm_clk = {
+ .name = "pwm_clk",
+ .parent = &perclk_clk,
+ .enable = _clk_enable,
+ .enable_reg = MXC_CCM_CGR0,
+ .enable_shift = MXC_CCM_CGR1_PWM_OFFSET,
+ .disable = _clk_disable,
+};
+
+static struct clk epit_clk[] = {
+ {
+ .name = "epit_clk",
+ .id = 0,
+ .parent = &perclk_clk,
+ .enable = _clk_enable,
+ .enable_reg = MXC_CCM_CGR0,
+ .enable_shift = MXC_CCM_CGR0_EPIT1_OFFSET,
+ .disable = _clk_disable,},
+ {
+ .name = "epit_clk",
+ .id = 1,
+ .parent = &perclk_clk,
+ .enable = _clk_enable,
+ .enable_reg = MXC_CCM_CGR0,
+ .enable_shift = MXC_CCM_CGR0_EPIT2_OFFSET,
+ .disable = _clk_disable,},
+};
+
+static struct clk nfc_clk = {
+ .name = "nfc_clk",
+ .parent = &ahb_clk,
+ .get_rate = _clk_nfc_get_rate,
+};
+
+static struct clk scc_clk = {
+ .name = "scc_clk",
+ .parent = &ipg_clk,
+};
+
+static struct clk ipu_clk = {
+ .name = "ipu_clk",
+ .parent = &mcu_main_clk,
+ .get_rate = _clk_hsp_get_rate,
+ .enable = _clk_enable,
+ .enable_reg = MXC_CCM_CGR1,
+ .enable_shift = MXC_CCM_CGR1_IPU_OFFSET,
+ .disable = _clk_disable,
+};
+
+static struct clk kpp_clk = {
+ .name = "kpp_clk",
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = MXC_CCM_CGR1,
+ .enable_shift = MXC_CCM_CGR1_KPP_OFFSET,
+ .disable = _clk_disable,
+};
+
+static struct clk wdog_clk = {
+ .name = "wdog_clk",
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = MXC_CCM_CGR1,
+ .enable_shift = MXC_CCM_CGR1_WDOG_OFFSET,
+ .disable = _clk_disable,
+};
+static struct clk rtc_clk = {
+ .name = "rtc_clk",
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = MXC_CCM_CGR1,
+ .enable_shift = MXC_CCM_CGR1_RTC_OFFSET,
+ .disable = _clk_disable,
+};
+
+static struct clk usb_clk[] = {
+ {
+ .name = "usb_clk",
+ .parent = &usb_pll_clk,
+ .get_rate = _clk_usb_get_rate,},
+ {
+ .name = "usb_ahb_clk",
+ .parent = &ahb_clk,
+ .enable = _clk_enable,
+ .enable_reg = MXC_CCM_CGR1,
+ .enable_shift = MXC_CCM_CGR1_USBOTG_OFFSET,
+ .disable = _clk_disable,},
+};
+
+static struct clk csi_clk = {
+ .name = "csi_clk",
+ .parent = &serial_pll_clk,
+ .get_rate = _clk_csi_get_rate,
+ .round_rate = _clk_csi_round_rate,
+ .set_rate = _clk_csi_set_rate,
+ .enable = _clk_enable,
+ .enable_reg = MXC_CCM_CGR1,
+ .enable_shift = MXC_CCM_CGR1_CSI_OFFSET,
+ .disable = _clk_disable,
+};
+
+static struct clk uart_clk[] = {
+ {
+ .name = "uart_clk",
+ .id = 0,
+ .parent = &perclk_clk,
+ .enable = _clk_enable,
+ .enable_reg = MXC_CCM_CGR0,
+ .enable_shift = MXC_CCM_CGR0_UART1_OFFSET,
+ .disable = _clk_disable,},
+ {
+ .name = "uart_clk",
+ .id = 1,
+ .parent = &perclk_clk,
+ .enable = _clk_enable,
+ .enable_reg = MXC_CCM_CGR0,
+ .enable_shift = MXC_CCM_CGR0_UART2_OFFSET,
+ .disable = _clk_disable,},
+ {
+ .name = "uart_clk",
+ .id = 2,
+ .parent = &perclk_clk,
+ .enable = _clk_enable,
+ .enable_reg = MXC_CCM_CGR1,
+ .enable_shift = MXC_CCM_CGR1_UART3_OFFSET,
+ .disable = _clk_disable,},
+ {
+ .name = "uart_clk",
+ .id = 3,
+ .parent = &perclk_clk,
+ .enable = _clk_enable,
+ .enable_reg = MXC_CCM_CGR1,
+ .enable_shift = MXC_CCM_CGR1_UART4_OFFSET,
+ .disable = _clk_disable,},
+ {
+ .name = "uart_clk",
+ .id = 4,
+ .parent = &perclk_clk,
+ .enable = _clk_enable,
+ .enable_reg = MXC_CCM_CGR1,
+ .enable_shift = MXC_CCM_CGR1_UART5_OFFSET,
+ .disable = _clk_disable,},
+};
+
+static struct clk i2c_clk[] = {
+ {
+ .name = "i2c_clk",
+ .id = 0,
+ .parent = &perclk_clk,
+ .enable = _clk_enable,
+ .enable_reg = MXC_CCM_CGR0,
+ .enable_shift = MXC_CCM_CGR0_I2C1_OFFSET,
+ .disable = _clk_disable,},
+ {
+ .name = "i2c_clk",
+ .id = 1,
+ .parent = &perclk_clk,
+ .enable = _clk_enable,
+ .enable_reg = MXC_CCM_CGR0,
+ .enable_shift = MXC_CCM_CGR0_I2C2_OFFSET,
+ .disable = _clk_disable,},
+ {
+ .name = "i2c_clk",
+ .id = 2,
+ .parent = &perclk_clk,
+ .enable = _clk_enable,
+ .enable_reg = MXC_CCM_CGR0,
+ .enable_shift = MXC_CCM_CGR0_I2C3_OFFSET,
+ .disable = _clk_disable,},
+};
+
+static struct clk owire_clk = {
+ .name = "owire_clk",
+ .parent = &perclk_clk,
+ .enable_reg = MXC_CCM_CGR1,
+ .enable_shift = MXC_CCM_CGR1_OWIRE_OFFSET,
+ .enable = _clk_enable,
+ .disable = _clk_disable,
+};
+
+static struct clk sdhc_clk[] = {
+ {
+ .name = "sdhc_clk",
+ .id = 0,
+ .parent = &perclk_clk,
+ .enable = _clk_enable,
+ .enable_reg = MXC_CCM_CGR0,
+ .enable_shift = MXC_CCM_CGR0_SD_MMC1_OFFSET,
+ .disable = _clk_disable,},
+ {
+ .name = "sdhc_clk",
+ .id = 1,
+ .parent = &perclk_clk,
+ .enable = _clk_enable,
+ .enable_reg = MXC_CCM_CGR0,
+ .enable_shift = MXC_CCM_CGR0_SD_MMC2_OFFSET,
+ .disable = _clk_disable,},
+};
+
+static struct clk ssi_clk[] = {
+ {
+ .name = "ssi_clk",
+ .parent = &serial_pll_clk,
+ .get_rate = _clk_ssi1_get_rate,
+ .enable = _clk_enable,
+ .enable_reg = MXC_CCM_CGR0,
+ .enable_shift = MXC_CCM_CGR0_SSI1_OFFSET,
+ .disable = _clk_disable,},
+ {
+ .name = "ssi_clk",
+ .id = 1,
+ .parent = &serial_pll_clk,
+ .get_rate = _clk_ssi2_get_rate,
+ .enable = _clk_enable,
+ .enable_reg = MXC_CCM_CGR2,
+ .enable_shift = MXC_CCM_CGR2_SSI2_OFFSET,
+ .disable = _clk_disable,},
+};
+
+static struct clk firi_clk = {
+ .name = "firi_clk",
+ .parent = &usb_pll_clk,
+ .round_rate = _clk_firi_round_rate,
+ .set_rate = _clk_firi_set_rate,
+ .get_rate = _clk_firi_get_rate,
+ .enable = _clk_enable,
+ .enable_reg = MXC_CCM_CGR2,
+ .enable_shift = MXC_CCM_CGR2_FIRI_OFFSET,
+ .disable = _clk_disable,
+};
+
+static struct clk ata_clk = {
+ .name = "ata_clk",
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = MXC_CCM_CGR0,
+ .enable_shift = MXC_CCM_CGR0_ATA_OFFSET,
+ .disable = _clk_disable,
+};
+
+static struct clk mbx_clk = {
+ .name = "mbx_clk",
+ .parent = &ahb_clk,
+ .enable = _clk_enable,
+ .enable_reg = MXC_CCM_CGR2,
+ .enable_shift = MXC_CCM_CGR2_GACC_OFFSET,
+ .get_rate = _clk_mbx_get_rate,
+};
+
+static struct clk vpu_clk = {
+ .name = "vpu_clk",
+ .parent = &ahb_clk,
+ .enable = _clk_enable,
+ .enable_reg = MXC_CCM_CGR2,
+ .enable_shift = MXC_CCM_CGR2_GACC_OFFSET,
+ .get_rate = _clk_mbx_get_rate,
+};
+
+static struct clk rtic_clk = {
+ .name = "rtic_clk",
+ .parent = &ahb_clk,
+ .enable = _clk_enable,
+ .enable_reg = MXC_CCM_CGR2,
+ .enable_shift = MXC_CCM_CGR2_RTIC_OFFSET,
+ .disable = _clk_disable,
+};
+
+static struct clk rng_clk = {
+ .name = "rng_clk",
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = MXC_CCM_CGR0,
+ .enable_shift = MXC_CCM_CGR0_RNG_OFFSET,
+ .disable = _clk_disable,
+};
+
+static struct clk sdma_clk[] = {
+ {
+ .name = "sdma_ahb_clk",
+ .parent = &ahb_clk,
+ .enable = _clk_enable,
+ .enable_reg = MXC_CCM_CGR0,
+ .enable_shift = MXC_CCM_CGR0_SDMA_OFFSET,
+ .disable = _clk_disable,},
+ {
+ .name = "sdma_ipg_clk",
+ .parent = &ipg_clk,}
+};
+
+static struct clk mpeg4_clk = {
+ .name = "mpeg4_clk",
+ .parent = &ahb_clk,
+ .enable = _clk_enable,
+ .enable_reg = MXC_CCM_CGR1,
+ .enable_shift = MXC_CCM_CGR1_HANTRO_OFFSET,
+ .disable = _clk_disable,
+};
+
+static struct clk vl2cc_clk = {
+ .name = "vl2cc_clk",
+ .parent = &ahb_clk,
+ .enable = _clk_enable,
+ .enable_reg = MXC_CCM_CGR1,
+ .enable_shift = MXC_CCM_CGR1_HANTRO_OFFSET,
+ .disable = _clk_disable,
+};
+
+static struct clk mstick_clk[] = {
+ {
+ .name = "mstick_clk",
+ .id = 0,
+ .parent = &usb_pll_clk,
+ .get_rate = _clk_mstick1_get_rate,
+ .enable = _clk_enable,
+ .enable_reg = MXC_CCM_CGR1,
+ .enable_shift = MXC_CCM_CGR1_MEMSTICK1_OFFSET,
+ .disable = _clk_disable,},
+ {
+ .name = "mstick_clk",
+ .id = 1,
+ .parent = &usb_pll_clk,
+ .get_rate = _clk_mstick2_get_rate,
+ .enable = _clk_enable,
+ .enable_reg = MXC_CCM_CGR1,
+ .enable_shift = MXC_CCM_CGR1_MEMSTICK2_OFFSET,
+ .disable = _clk_disable,},
+};
+
+static struct clk iim_clk = {
+ .name = "iim_clk",
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = MXC_CCM_CGR0,
+ .enable_shift = MXC_CCM_CGR0_IIM_OFFSET,
+ .disable = _clk_disable,
+};
+
+static unsigned long _clk_cko1_round_rate(struct clk *clk, unsigned long rate)
+{
+ u32 div, parent = clk_get_rate(clk->parent);
+
+ div = parent / rate;
+ if (parent % rate)
+ div++;
+
+ if (div > 8)
+ div = 16;
+ else if (div > 4)
+ div = 8;
+ else if (div > 2)
+ div = 4;
+
+ return parent / div;
+}
+
+static int _clk_cko1_set_rate(struct clk *clk, unsigned long rate)
+{
+ u32 reg, div, parent = clk_get_rate(clk->parent);
+
+ div = parent / rate;
+
+ if (div == 16)
+ div = 4;
+ else if (div == 8)
+ div = 3;
+ else if (div == 4)
+ div = 2;
+ else if (div == 2)
+ div = 1;
+ else if (div == 1)
+ div = 0;
+ else
+ return -EINVAL;
+
+ reg = __raw_readl(MXC_CCM_COSR) & ~MXC_CCM_COSR_CLKOUTDIV_MASK;
+ reg |= div << MXC_CCM_COSR_CLKOUTDIV_OFFSET;
+ __raw_writel(reg, MXC_CCM_COSR);
+
+ return 0;
+}
+
+static unsigned long _clk_cko1_get_rate(struct clk *clk)
+{
+ u32 div;
+
+ div = __raw_readl(MXC_CCM_COSR) & MXC_CCM_COSR_CLKOUTDIV_MASK >>
+ MXC_CCM_COSR_CLKOUTDIV_OFFSET;
+
+ return clk_get_rate(clk->parent) / (1 << div);
+}
+
+static int _clk_cko1_set_parent(struct clk *clk, struct clk *parent)
+{
+ u32 reg;
+
+ reg = __raw_readl(MXC_CCM_COSR) & ~MXC_CCM_COSR_CLKOSEL_MASK;
+
+ if (parent == &mcu_main_clk)
+ reg |= 0 << MXC_CCM_COSR_CLKOSEL_OFFSET;
+ else if (parent == &ipg_clk)
+ reg |= 1 << MXC_CCM_COSR_CLKOSEL_OFFSET;
+ else if (parent == &usb_pll_clk)
+ reg |= 2 << MXC_CCM_COSR_CLKOSEL_OFFSET;
+ else if (parent == mcu_main_clk.parent)
+ reg |= 3 << MXC_CCM_COSR_CLKOSEL_OFFSET;
+ else if (parent == &ahb_clk)
+ reg |= 5 << MXC_CCM_COSR_CLKOSEL_OFFSET;
+ else if (parent == &serial_pll_clk)
+ reg |= 7 << MXC_CCM_COSR_CLKOSEL_OFFSET;
+ else if (parent == &ckih_clk)
+ reg |= 8 << MXC_CCM_COSR_CLKOSEL_OFFSET;
+ else if (parent == &emi_clk)
+ reg |= 9 << MXC_CCM_COSR_CLKOSEL_OFFSET;
+ else if (parent == &ipu_clk)
+ reg |= 0xA << MXC_CCM_COSR_CLKOSEL_OFFSET;
+ else if (parent == &nfc_clk)
+ reg |= 0xB << MXC_CCM_COSR_CLKOSEL_OFFSET;
+ else if (parent == &uart_clk[0])
+ reg |= 0xC << MXC_CCM_COSR_CLKOSEL_OFFSET;
+ else
+ return -EINVAL;
+
+ __raw_writel(reg, MXC_CCM_COSR);
+
+ return 0;
+}
+
+static int _clk_cko1_enable(struct clk *clk)
+{
+ u32 reg;
+
+ reg = __raw_readl(MXC_CCM_COSR) | MXC_CCM_COSR_CLKOEN;
+ __raw_writel(reg, MXC_CCM_COSR);
+
+ return 0;
+}
+
+static void _clk_cko1_disable(struct clk *clk)
+{
+ u32 reg;
+
+ reg = __raw_readl(MXC_CCM_COSR) & ~MXC_CCM_COSR_CLKOEN;
+ __raw_writel(reg, MXC_CCM_COSR);
+}
+
+static struct clk cko1_clk = {
+ .name = "cko1_clk",
+ .get_rate = _clk_cko1_get_rate,
+ .set_rate = _clk_cko1_set_rate,
+ .round_rate = _clk_cko1_round_rate,
+ .set_parent = _clk_cko1_set_parent,
+ .enable = _clk_cko1_enable,
+ .disable = _clk_cko1_disable,
+};
+
+static struct clk *mxc_clks[] = {
+ &ckih_clk,
+ &ckil_clk,
+ &mcu_pll_clk,
+ &usb_pll_clk,
+ &serial_pll_clk,
+ &mcu_main_clk,
+ &ahb_clk,
+ &per_clk,
+ &perclk_clk,
+ &cko1_clk,
+ &emi_clk,
+ &cspi_clk[0],
+ &cspi_clk[1],
+ &cspi_clk[2],
+ &ipg_clk,
+ &gpt_clk,
+ &pwm_clk,
+ &wdog_clk,
+ &rtc_clk,
+ &epit_clk[0],
+ &epit_clk[1],
+ &nfc_clk,
+ &ipu_clk,
+ &kpp_clk,
+ &usb_clk[0],
+ &usb_clk[1],
+ &csi_clk,
+ &uart_clk[0],
+ &uart_clk[1],
+ &uart_clk[2],
+ &uart_clk[3],
+ &uart_clk[4],
+ &i2c_clk[0],
+ &i2c_clk[1],
+ &i2c_clk[2],
+ &owire_clk,
+ &sdhc_clk[0],
+ &sdhc_clk[1],
+ &ssi_clk[0],
+ &ssi_clk[1],
+ &firi_clk,
+ &ata_clk,
+ &rtic_clk,
+ &rng_clk,
+ &sdma_clk[0],
+ &sdma_clk[1],
+ &mstick_clk[0],
+ &mstick_clk[1],
+ &scc_clk,
+ &iim_clk,
+};
+
+int __init mxc_clocks_init(unsigned long fref)
+{
+ u32 reg;
+ struct clk **clkp;
+
+ ckih_rate = fref;
+
+ for (clkp = mxc_clks; clkp < mxc_clks + ARRAY_SIZE(mxc_clks); clkp++)
+ clk_register(*clkp);
+
+ if (cpu_is_mx31()) {
+ clk_register(&mpeg4_clk);
+ clk_register(&mbx_clk);
+ } else {
+ clk_register(&vpu_clk);
+ clk_register(&vl2cc_clk);
+ }
+
+ /* Turn off all possible clocks */
+ __raw_writel(MXC_CCM_CGR0_GPT_MASK, MXC_CCM_CGR0);
+ __raw_writel(0, MXC_CCM_CGR1);
+
+ __raw_writel(MXC_CCM_CGR2_EMI_MASK |
+ MXC_CCM_CGR2_IPMUX1_MASK |
+ MXC_CCM_CGR2_IPMUX2_MASK |
+ MXC_CCM_CGR2_MXCCLKENSEL_MASK | /* for MX32 */
+ MXC_CCM_CGR2_CHIKCAMPEN_MASK | /* for MX32 */
+ MXC_CCM_CGR2_OVRVPUBUSY_MASK | /* for MX32 */
+ 1 << 27 | 1 << 28, /* Bit 27 and 28 are not defined for
+ MX32, but still required to be set */
+ MXC_CCM_CGR2);
+
+ clk_disable(&cko1_clk);
+ clk_disable(&usb_pll_clk);
+
+ pr_info("Clock input source is %ld\n", clk_get_rate(&ckih_clk));
+
+ clk_enable(&gpt_clk);
+ clk_enable(&emi_clk);
+ clk_enable(&iim_clk);
+
+ clk_enable(&serial_pll_clk);
+
+ if (mx31_revision() >= CHIP_REV_2_0) {
+ reg = __raw_readl(MXC_CCM_PMCR1);
+ /* No PLL restart on DVFS switch; enable auto EMI handshake */
+ reg |= MXC_CCM_PMCR1_PLLRDIS | MXC_CCM_PMCR1_EMIRQ_EN;
+ __raw_writel(reg, MXC_CCM_PMCR1);
+ }
+
+ return 0;
+}
+
diff --git a/arch/arm/mach-mx3/crm_regs.h b/arch/arm/mach-mx3/crm_regs.h
new file mode 100644
index 00000000000..4a0e0ede23b
--- /dev/null
+++ b/arch/arm/mach-mx3/crm_regs.h
@@ -0,0 +1,401 @@
+/*
+ * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright (C) 2008 by Sascha Hauer <kernel@pengutronix.de>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+
+#ifndef __ARCH_ARM_MACH_MX3_CRM_REGS_H__
+#define __ARCH_ARM_MACH_MX3_CRM_REGS_H__
+
+#define CKIH_CLK_FREQ 26000000
+#define CKIH_CLK_FREQ_27MHZ 27000000
+#define CKIL_CLK_FREQ 32768
+
+#define MXC_CCM_BASE IO_ADDRESS(CCM_BASE_ADDR)
+
+/* Register addresses */
+#define MXC_CCM_CCMR (MXC_CCM_BASE + 0x00)
+#define MXC_CCM_PDR0 (MXC_CCM_BASE + 0x04)
+#define MXC_CCM_PDR1 (MXC_CCM_BASE + 0x08)
+#define MXC_CCM_RCSR (MXC_CCM_BASE + 0x0C)
+#define MXC_CCM_MPCTL (MXC_CCM_BASE + 0x10)
+#define MXC_CCM_UPCTL (MXC_CCM_BASE + 0x14)
+#define MXC_CCM_SRPCTL (MXC_CCM_BASE + 0x18)
+#define MXC_CCM_COSR (MXC_CCM_BASE + 0x1C)
+#define MXC_CCM_CGR0 (MXC_CCM_BASE + 0x20)
+#define MXC_CCM_CGR1 (MXC_CCM_BASE + 0x24)
+#define MXC_CCM_CGR2 (MXC_CCM_BASE + 0x28)
+#define MXC_CCM_WIMR (MXC_CCM_BASE + 0x2C)
+#define MXC_CCM_LDC (MXC_CCM_BASE + 0x30)
+#define MXC_CCM_DCVR0 (MXC_CCM_BASE + 0x34)
+#define MXC_CCM_DCVR1 (MXC_CCM_BASE + 0x38)
+#define MXC_CCM_DCVR2 (MXC_CCM_BASE + 0x3C)
+#define MXC_CCM_DCVR3 (MXC_CCM_BASE + 0x40)
+#define MXC_CCM_LTR0 (MXC_CCM_BASE + 0x44)
+#define MXC_CCM_LTR1 (MXC_CCM_BASE + 0x48)
+#define MXC_CCM_LTR2 (MXC_CCM_BASE + 0x4C)
+#define MXC_CCM_LTR3 (MXC_CCM_BASE + 0x50)
+#define MXC_CCM_LTBR0 (MXC_CCM_BASE + 0x54)
+#define MXC_CCM_LTBR1 (MXC_CCM_BASE + 0x58)
+#define MXC_CCM_PMCR0 (MXC_CCM_BASE + 0x5C)
+#define MXC_CCM_PMCR1 (MXC_CCM_BASE + 0x60)
+#define MXC_CCM_PDR2 (MXC_CCM_BASE + 0x64)
+
+/* Register bit definitions */
+#define MXC_CCM_CCMR_WBEN (1 << 27)
+#define MXC_CCM_CCMR_CSCS (1 << 25)
+#define MXC_CCM_CCMR_PERCS (1 << 24)
+#define MXC_CCM_CCMR_SSI1S_OFFSET 18
+#define MXC_CCM_CCMR_SSI1S_MASK (0x3 << 18)
+#define MXC_CCM_CCMR_SSI2S_OFFSET 21
+#define MXC_CCM_CCMR_SSI2S_MASK (0x3 << 21)
+#define MXC_CCM_CCMR_LPM_OFFSET 14
+#define MXC_CCM_CCMR_LPM_MASK (0x3 << 14)
+#define MXC_CCM_CCMR_FIRS_OFFSET 11
+#define MXC_CCM_CCMR_FIRS_MASK (0x3 << 11)
+#define MXC_CCM_CCMR_UPE (1 << 9)
+#define MXC_CCM_CCMR_SPE (1 << 8)
+#define MXC_CCM_CCMR_MDS (1 << 7)
+#define MXC_CCM_CCMR_SBYCS (1 << 4)
+#define MXC_CCM_CCMR_MPE (1 << 3)
+#define MXC_CCM_CCMR_PRCS_OFFSET 1
+#define MXC_CCM_CCMR_PRCS_MASK (0x3 << 1)
+
+#define MXC_CCM_PDR0_CSI_PODF_OFFSET 26
+#define MXC_CCM_PDR0_CSI_PODF_MASK (0x3F << 26)
+#define MXC_CCM_PDR0_CSI_PRDF_OFFSET 23
+#define MXC_CCM_PDR0_CSI_PRDF_MASK (0x7 << 23)
+#define MXC_CCM_PDR0_PER_PODF_OFFSET 16
+#define MXC_CCM_PDR0_PER_PODF_MASK (0x1F << 16)
+#define MXC_CCM_PDR0_HSP_PODF_OFFSET 11
+#define MXC_CCM_PDR0_HSP_PODF_MASK (0x7 << 11)
+#define MXC_CCM_PDR0_NFC_PODF_OFFSET 8
+#define MXC_CCM_PDR0_NFC_PODF_MASK (0x7 << 8)
+#define MXC_CCM_PDR0_IPG_PODF_OFFSET 6
+#define MXC_CCM_PDR0_IPG_PODF_MASK (0x3 << 6)
+#define MXC_CCM_PDR0_MAX_PODF_OFFSET 3
+#define MXC_CCM_PDR0_MAX_PODF_MASK (0x7 << 3)
+#define MXC_CCM_PDR0_MCU_PODF_OFFSET 0
+#define MXC_CCM_PDR0_MCU_PODF_MASK 0x7
+
+#define MXC_CCM_PDR0_HSP_DIV_1 (0x0 << 11)
+#define MXC_CCM_PDR0_HSP_DIV_2 (0x1 << 11)
+#define MXC_CCM_PDR0_HSP_DIV_3 (0x2 << 11)
+#define MXC_CCM_PDR0_HSP_DIV_4 (0x3 << 11)
+#define MXC_CCM_PDR0_HSP_DIV_5 (0x4 << 11)
+#define MXC_CCM_PDR0_HSP_DIV_6 (0x5 << 11)
+#define MXC_CCM_PDR0_HSP_DIV_7 (0x6 << 11)
+#define MXC_CCM_PDR0_HSP_DIV_8 (0x7 << 11)
+
+#define MXC_CCM_PDR0_IPG_DIV_1 (0x0 << 6)
+#define MXC_CCM_PDR0_IPG_DIV_2 (0x1 << 6)
+#define MXC_CCM_PDR0_IPG_DIV_3 (0x2 << 6)
+#define MXC_CCM_PDR0_IPG_DIV_4 (0x3 << 6)
+
+#define MXC_CCM_PDR0_MAX_DIV_1 (0x0 << 3)
+#define MXC_CCM_PDR0_MAX_DIV_2 (0x1 << 3)
+#define MXC_CCM_PDR0_MAX_DIV_3 (0x2 << 3)
+#define MXC_CCM_PDR0_MAX_DIV_4 (0x3 << 3)
+#define MXC_CCM_PDR0_MAX_DIV_5 (0x4 << 3)
+#define MXC_CCM_PDR0_MAX_DIV_6 (0x5 << 3)
+#define MXC_CCM_PDR0_MAX_DIV_7 (0x6 << 3)
+#define MXC_CCM_PDR0_MAX_DIV_8 (0x7 << 3)
+
+#define MXC_CCM_PDR0_NFC_DIV_1 (0x0 << 8)
+#define MXC_CCM_PDR0_NFC_DIV_2 (0x1 << 8)
+#define MXC_CCM_PDR0_NFC_DIV_3 (0x2 << 8)
+#define MXC_CCM_PDR0_NFC_DIV_4 (0x3 << 8)
+#define MXC_CCM_PDR0_NFC_DIV_5 (0x4 << 8)
+#define MXC_CCM_PDR0_NFC_DIV_6 (0x5 << 8)
+#define MXC_CCM_PDR0_NFC_DIV_7 (0x6 << 8)
+#define MXC_CCM_PDR0_NFC_DIV_8 (0x7 << 8)
+
+#define MXC_CCM_PDR0_MCU_DIV_1 0x0
+#define MXC_CCM_PDR0_MCU_DIV_2 0x1
+#define MXC_CCM_PDR0_MCU_DIV_3 0x2
+#define MXC_CCM_PDR0_MCU_DIV_4 0x3
+#define MXC_CCM_PDR0_MCU_DIV_5 0x4
+#define MXC_CCM_PDR0_MCU_DIV_6 0x5
+#define MXC_CCM_PDR0_MCU_DIV_7 0x6
+#define MXC_CCM_PDR0_MCU_DIV_8 0x7
+
+#define MXC_CCM_PDR1_USB_PRDF_OFFSET 30
+#define MXC_CCM_PDR1_USB_PRDF_MASK (0x3 << 30)
+#define MXC_CCM_PDR1_USB_PODF_OFFSET 27
+#define MXC_CCM_PDR1_USB_PODF_MASK (0x7 << 27)
+#define MXC_CCM_PDR1_FIRI_PRE_PODF_OFFSET 24
+#define MXC_CCM_PDR1_FIRI_PRE_PODF_MASK (0x7 << 24)
+#define MXC_CCM_PDR1_FIRI_PODF_OFFSET 18
+#define MXC_CCM_PDR1_FIRI_PODF_MASK (0x3F << 18)
+#define MXC_CCM_PDR1_SSI2_PRE_PODF_OFFSET 15
+#define MXC_CCM_PDR1_SSI2_PRE_PODF_MASK (0x7 << 15)
+#define MXC_CCM_PDR1_SSI2_PODF_OFFSET 9
+#define MXC_CCM_PDR1_SSI2_PODF_MASK (0x3F << 9)
+#define MXC_CCM_PDR1_SSI1_PRE_PODF_OFFSET 6
+#define MXC_CCM_PDR1_SSI1_PRE_PODF_MASK (0x7 << 6)
+#define MXC_CCM_PDR1_SSI1_PODF_OFFSET 0
+#define MXC_CCM_PDR1_SSI1_PODF_MASK 0x3F
+
+/* Bit definitions for RCSR */
+#define MXC_CCM_RCSR_NF16B 0x80000000
+
+/* Bit definitions for both MCU, USB and SR PLL control registers */
+#define MXC_CCM_PCTL_BRM 0x80000000
+#define MXC_CCM_PCTL_PD_OFFSET 26
+#define MXC_CCM_PCTL_PD_MASK (0xF << 26)
+#define MXC_CCM_PCTL_MFD_OFFSET 16
+#define MXC_CCM_PCTL_MFD_MASK (0x3FF << 16)
+#define MXC_CCM_PCTL_MFI_OFFSET 10
+#define MXC_CCM_PCTL_MFI_MASK (0xF << 10)
+#define MXC_CCM_PCTL_MFN_OFFSET 0
+#define MXC_CCM_PCTL_MFN_MASK 0x3FF
+
+#define MXC_CCM_CGR0_SD_MMC1_OFFSET 0
+#define MXC_CCM_CGR0_SD_MMC1_MASK (0x3 << 0)
+#define MXC_CCM_CGR0_SD_MMC2_OFFSET 2
+#define MXC_CCM_CGR0_SD_MMC2_MASK (0x3 << 2)
+#define MXC_CCM_CGR0_GPT_OFFSET 4
+#define MXC_CCM_CGR0_GPT_MASK (0x3 << 4)
+#define MXC_CCM_CGR0_EPIT1_OFFSET 6
+#define MXC_CCM_CGR0_EPIT1_MASK (0x3 << 6)
+#define MXC_CCM_CGR0_EPIT2_OFFSET 8
+#define MXC_CCM_CGR0_EPIT2_MASK (0x3 << 8)
+#define MXC_CCM_CGR0_IIM_OFFSET 10
+#define MXC_CCM_CGR0_IIM_MASK (0x3 << 10)
+#define MXC_CCM_CGR0_ATA_OFFSET 12
+#define MXC_CCM_CGR0_ATA_MASK (0x3 << 12)
+#define MXC_CCM_CGR0_SDMA_OFFSET 14
+#define MXC_CCM_CGR0_SDMA_MASK (0x3 << 14)
+#define MXC_CCM_CGR0_CSPI3_OFFSET 16
+#define MXC_CCM_CGR0_CSPI3_MASK (0x3 << 16)
+#define MXC_CCM_CGR0_RNG_OFFSET 18
+#define MXC_CCM_CGR0_RNG_MASK (0x3 << 18)
+#define MXC_CCM_CGR0_UART1_OFFSET 20
+#define MXC_CCM_CGR0_UART1_MASK (0x3 << 20)
+#define MXC_CCM_CGR0_UART2_OFFSET 22
+#define MXC_CCM_CGR0_UART2_MASK (0x3 << 22)
+#define MXC_CCM_CGR0_SSI1_OFFSET 24
+#define MXC_CCM_CGR0_SSI1_MASK (0x3 << 24)
+#define MXC_CCM_CGR0_I2C1_OFFSET 26
+#define MXC_CCM_CGR0_I2C1_MASK (0x3 << 26)
+#define MXC_CCM_CGR0_I2C2_OFFSET 28
+#define MXC_CCM_CGR0_I2C2_MASK (0x3 << 28)
+#define MXC_CCM_CGR0_I2C3_OFFSET 30
+#define MXC_CCM_CGR0_I2C3_MASK (0x3 << 30)
+
+#define MXC_CCM_CGR1_HANTRO_OFFSET 0
+#define MXC_CCM_CGR1_HANTRO_MASK (0x3 << 0)
+#define MXC_CCM_CGR1_MEMSTICK1_OFFSET 2
+#define MXC_CCM_CGR1_MEMSTICK1_MASK (0x3 << 2)
+#define MXC_CCM_CGR1_MEMSTICK2_OFFSET 4
+#define MXC_CCM_CGR1_MEMSTICK2_MASK (0x3 << 4)
+#define MXC_CCM_CGR1_CSI_OFFSET 6
+#define MXC_CCM_CGR1_CSI_MASK (0x3 << 6)
+#define MXC_CCM_CGR1_RTC_OFFSET 8
+#define MXC_CCM_CGR1_RTC_MASK (0x3 << 8)
+#define MXC_CCM_CGR1_WDOG_OFFSET 10
+#define MXC_CCM_CGR1_WDOG_MASK (0x3 << 10)
+#define MXC_CCM_CGR1_PWM_OFFSET 12
+#define MXC_CCM_CGR1_PWM_MASK (0x3 << 12)
+#define MXC_CCM_CGR1_SIM_OFFSET 14
+#define MXC_CCM_CGR1_SIM_MASK (0x3 << 14)
+#define MXC_CCM_CGR1_ECT_OFFSET 16
+#define MXC_CCM_CGR1_ECT_MASK (0x3 << 16)
+#define MXC_CCM_CGR1_USBOTG_OFFSET 18
+#define MXC_CCM_CGR1_USBOTG_MASK (0x3 << 18)
+#define MXC_CCM_CGR1_KPP_OFFSET 20
+#define MXC_CCM_CGR1_KPP_MASK (0x3 << 20)
+#define MXC_CCM_CGR1_IPU_OFFSET 22
+#define MXC_CCM_CGR1_IPU_MASK (0x3 << 22)
+#define MXC_CCM_CGR1_UART3_OFFSET 24
+#define MXC_CCM_CGR1_UART3_MASK (0x3 << 24)
+#define MXC_CCM_CGR1_UART4_OFFSET 26
+#define MXC_CCM_CGR1_UART4_MASK (0x3 << 26)
+#define MXC_CCM_CGR1_UART5_OFFSET 28
+#define MXC_CCM_CGR1_UART5_MASK (0x3 << 28)
+#define MXC_CCM_CGR1_OWIRE_OFFSET 30
+#define MXC_CCM_CGR1_OWIRE_MASK (0x3 << 30)
+
+#define MXC_CCM_CGR2_SSI2_OFFSET 0
+#define MXC_CCM_CGR2_SSI2_MASK (0x3 << 0)
+#define MXC_CCM_CGR2_CSPI1_OFFSET 2
+#define MXC_CCM_CGR2_CSPI1_MASK (0x3 << 2)
+#define MXC_CCM_CGR2_CSPI2_OFFSET 4
+#define MXC_CCM_CGR2_CSPI2_MASK (0x3 << 4)
+#define MXC_CCM_CGR2_GACC_OFFSET 6
+#define MXC_CCM_CGR2_GACC_MASK (0x3 << 6)
+#define MXC_CCM_CGR2_EMI_OFFSET 8
+#define MXC_CCM_CGR2_EMI_MASK (0x3 << 8)
+#define MXC_CCM_CGR2_RTIC_OFFSET 10
+#define MXC_CCM_CGR2_RTIC_MASK (0x3 << 10)
+#define MXC_CCM_CGR2_FIRI_OFFSET 12
+#define MXC_CCM_CGR2_FIRI_MASK (0x3 << 12)
+#define MXC_CCM_CGR2_IPMUX1_OFFSET 14
+#define MXC_CCM_CGR2_IPMUX1_MASK (0x3 << 14)
+#define MXC_CCM_CGR2_IPMUX2_OFFSET 16
+#define MXC_CCM_CGR2_IPMUX2_MASK (0x3 << 16)
+
+/* These new CGR2 bits are added in MX32 */
+#define MXC_CCM_CGR2_APMSYSCLKSEL_OFFSET 18
+#define MXC_CCM_CGR2_APMSYSCLKSEL_MASK (0x3 << 18)
+#define MXC_CCM_CGR2_APMSSICLKSEL_OFFSET 20
+#define MXC_CCM_CGR2_APMSSICLKSEL_MASK (0x3 << 20)
+#define MXC_CCM_CGR2_APMPERCLKSEL_OFFSET 22
+#define MXC_CCM_CGR2_APMPERCLKSEL_MASK (0x3 << 22)
+#define MXC_CCM_CGR2_MXCCLKENSEL_OFFSET 24
+#define MXC_CCM_CGR2_MXCCLKENSEL_MASK (0x1 << 24)
+#define MXC_CCM_CGR2_CHIKCAMPEN_OFFSET 25
+#define MXC_CCM_CGR2_CHIKCAMPEN_MASK (0x1 << 25)
+#define MXC_CCM_CGR2_OVRVPUBUSY_OFFSET 26
+#define MXC_CCM_CGR2_OVRVPUBUSY_MASK (0x1 << 26)
+#define MXC_CCM_CGR2_APMENA_OFFSET 30
+#define MXC_CCM_CGR2_AOMENA_MASK (0x1 << 30)
+
+/*
+ * LTR0 register offsets
+ */
+#define MXC_CCM_LTR0_DIV3CK_OFFSET 1
+#define MXC_CCM_LTR0_DIV3CK_MASK (0x3 << 1)
+#define MXC_CCM_LTR0_DNTHR_OFFSET 16
+#define MXC_CCM_LTR0_DNTHR_MASK (0x3F << 16)
+#define MXC_CCM_LTR0_UPTHR_OFFSET 22
+#define MXC_CCM_LTR0_UPTHR_MASK (0x3F << 22)
+
+/*
+ * LTR1 register offsets
+ */
+#define MXC_CCM_LTR1_PNCTHR_OFFSET 0
+#define MXC_CCM_LTR1_PNCTHR_MASK 0x3F
+#define MXC_CCM_LTR1_UPCNT_OFFSET 6
+#define MXC_CCM_LTR1_UPCNT_MASK (0xFF << 6)
+#define MXC_CCM_LTR1_DNCNT_OFFSET 14
+#define MXC_CCM_LTR1_DNCNT_MASK (0xFF << 14)
+#define MXC_CCM_LTR1_LTBRSR_MASK 0x400000
+#define MXC_CCM_LTR1_LTBRSR_OFFSET 22
+#define MXC_CCM_LTR1_LTBRSR 0x400000
+#define MXC_CCM_LTR1_LTBRSH 0x800000
+
+/*
+ * LTR2 bit definitions. x ranges from 0 for WSW9 to 6 for WSW15
+ */
+#define MXC_CCM_LTR2_WSW_OFFSET(x) (11 + (x) * 3)
+#define MXC_CCM_LTR2_WSW_MASK(x) (0x7 << \
+ MXC_CCM_LTR2_WSW_OFFSET((x)))
+#define MXC_CCM_LTR2_EMAC_OFFSET 0
+#define MXC_CCM_LTR2_EMAC_MASK 0x1FF
+
+/*
+ * LTR3 bit definitions. x ranges from 0 for WSW0 to 8 for WSW8
+ */
+#define MXC_CCM_LTR3_WSW_OFFSET(x) (5 + (x) * 3)
+#define MXC_CCM_LTR3_WSW_MASK(x) (0x7 << \
+ MXC_CCM_LTR3_WSW_OFFSET((x)))
+
+#define MXC_CCM_PMCR0_DFSUP1 0x80000000
+#define MXC_CCM_PMCR0_DFSUP1_SPLL (0 << 31)
+#define MXC_CCM_PMCR0_DFSUP1_MPLL (1 << 31)
+#define MXC_CCM_PMCR0_DFSUP0 0x40000000
+#define MXC_CCM_PMCR0_DFSUP0_PLL (0 << 30)
+#define MXC_CCM_PMCR0_DFSUP0_PDR (1 << 30)
+#define MXC_CCM_PMCR0_DFSUP_MASK (0x3 << 30)
+
+#define DVSUP_TURBO 0
+#define DVSUP_HIGH 1
+#define DVSUP_MEDIUM 2
+#define DVSUP_LOW 3
+#define MXC_CCM_PMCR0_DVSUP_TURBO (DVSUP_TURBO << 28)
+#define MXC_CCM_PMCR0_DVSUP_HIGH (DVSUP_HIGH << 28)
+#define MXC_CCM_PMCR0_DVSUP_MEDIUM (DVSUP_MEDIUM << 28)
+#define MXC_CCM_PMCR0_DVSUP_LOW (DVSUP_LOW << 28)
+#define MXC_CCM_PMCR0_DVSUP_OFFSET 28
+#define MXC_CCM_PMCR0_DVSUP_MASK (0x3 << 28)
+#define MXC_CCM_PMCR0_UDSC 0x08000000
+#define MXC_CCM_PMCR0_UDSC_MASK (1 << 27)
+#define MXC_CCM_PMCR0_UDSC_UP (1 << 27)
+#define MXC_CCM_PMCR0_UDSC_DOWN (0 << 27)
+
+#define MXC_CCM_PMCR0_VSCNT_1 (0x0 << 24)
+#define MXC_CCM_PMCR0_VSCNT_2 (0x1 << 24)
+#define MXC_CCM_PMCR0_VSCNT_3 (0x2 << 24)
+#define MXC_CCM_PMCR0_VSCNT_4 (0x3 << 24)
+#define MXC_CCM_PMCR0_VSCNT_5 (0x4 << 24)
+#define MXC_CCM_PMCR0_VSCNT_6 (0x5 << 24)
+#define MXC_CCM_PMCR0_VSCNT_7 (0x6 << 24)
+#define MXC_CCM_PMCR0_VSCNT_8 (0x7 << 24)
+#define MXC_CCM_PMCR0_VSCNT_OFFSET 24
+#define MXC_CCM_PMCR0_VSCNT_MASK (0x7 << 24)
+#define MXC_CCM_PMCR0_DVFEV 0x00800000
+#define MXC_CCM_PMCR0_DVFIS 0x00400000
+#define MXC_CCM_PMCR0_LBMI 0x00200000
+#define MXC_CCM_PMCR0_LBFL 0x00100000
+#define MXC_CCM_PMCR0_LBCF_4 (0x0 << 18)
+#define MXC_CCM_PMCR0_LBCF_8 (0x1 << 18)
+#define MXC_CCM_PMCR0_LBCF_12 (0x2 << 18)
+#define MXC_CCM_PMCR0_LBCF_16 (0x3 << 18)
+#define MXC_CCM_PMCR0_LBCF_OFFSET 18
+#define MXC_CCM_PMCR0_LBCF_MASK (0x3 << 18)
+#define MXC_CCM_PMCR0_PTVIS 0x00020000
+#define MXC_CCM_PMCR0_UPDTEN 0x00010000
+#define MXC_CCM_PMCR0_UPDTEN_MASK (0x1 << 16)
+#define MXC_CCM_PMCR0_FSVAIM 0x00008000
+#define MXC_CCM_PMCR0_FSVAI_OFFSET 13
+#define MXC_CCM_PMCR0_FSVAI_MASK (0x3 << 13)
+#define MXC_CCM_PMCR0_DPVCR 0x00001000
+#define MXC_CCM_PMCR0_DPVV 0x00000800
+#define MXC_CCM_PMCR0_WFIM 0x00000400
+#define MXC_CCM_PMCR0_DRCE3 0x00000200
+#define MXC_CCM_PMCR0_DRCE2 0x00000100
+#define MXC_CCM_PMCR0_DRCE1 0x00000080
+#define MXC_CCM_PMCR0_DRCE0 0x00000040
+#define MXC_CCM_PMCR0_DCR 0x00000020
+#define MXC_CCM_PMCR0_DVFEN 0x00000010
+#define MXC_CCM_PMCR0_PTVAIM 0x00000008
+#define MXC_CCM_PMCR0_PTVAI_OFFSET 1
+#define MXC_CCM_PMCR0_PTVAI_MASK (0x3 << 1)
+#define MXC_CCM_PMCR0_DPTEN 0x00000001
+
+#define MXC_CCM_PMCR1_DVGP_OFFSET 0
+#define MXC_CCM_PMCR1_DVGP_MASK (0xF)
+
+#define MXC_CCM_PMCR1_PLLRDIS (0x1 << 7)
+#define MXC_CCM_PMCR1_EMIRQ_EN (0x1 << 8)
+
+#define MXC_CCM_DCVR_ULV_MASK (0x3FF << 22)
+#define MXC_CCM_DCVR_ULV_OFFSET 22
+#define MXC_CCM_DCVR_LLV_MASK (0x3FF << 12)
+#define MXC_CCM_DCVR_LLV_OFFSET 12
+#define MXC_CCM_DCVR_ELV_MASK (0x3FF << 2)
+#define MXC_CCM_DCVR_ELV_OFFSET 2
+
+#define MXC_CCM_PDR2_MST2_PDF_MASK (0x3F << 7)
+#define MXC_CCM_PDR2_MST2_PDF_OFFSET 7
+#define MXC_CCM_PDR2_MST1_PDF_MASK 0x3F
+#define MXC_CCM_PDR2_MST1_PDF_OFFSET 0
+
+#define MXC_CCM_COSR_CLKOSEL_MASK 0x0F
+#define MXC_CCM_COSR_CLKOSEL_OFFSET 0
+#define MXC_CCM_COSR_CLKOUTDIV_MASK (0x07 << 6)
+#define MXC_CCM_COSR_CLKOUTDIV_OFFSET 6
+#define MXC_CCM_COSR_CLKOEN (1 << 9)
+
+/*
+ * PMCR0 register offsets
+ */
+#define MXC_CCM_PMCR0_LBFL_OFFSET 20
+#define MXC_CCM_PMCR0_DFSUP0_OFFSET 30
+#define MXC_CCM_PMCR0_DFSUP1_OFFSET 31
+
+#endif /* __ARCH_ARM_MACH_MX3_CRM_REGS_H__ */
diff --git a/arch/arm/mach-mx3/devices.c b/arch/arm/mach-mx3/devices.c
new file mode 100644
index 00000000000..5c0320fce5b
--- /dev/null
+++ b/arch/arm/mach-mx3/devices.c
@@ -0,0 +1,180 @@
+/*
+ * Copyright 2006-2007 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2008 Sascha Hauer, kernel@pengutronix.de
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/serial.h>
+#include <linux/gpio.h>
+#include <asm/hardware.h>
+#include <asm/arch/imx-uart.h>
+
+static struct resource uart0[] = {
+ {
+ .start = UART1_BASE_ADDR,
+ .end = UART1_BASE_ADDR + 0x0B5,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = MXC_INT_UART1,
+ .end = MXC_INT_UART1,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device mxc_uart_device0 = {
+ .name = "imx-uart",
+ .id = 0,
+ .resource = uart0,
+ .num_resources = ARRAY_SIZE(uart0),
+};
+
+static struct resource uart1[] = {
+ {
+ .start = UART2_BASE_ADDR,
+ .end = UART2_BASE_ADDR + 0x0B5,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = MXC_INT_UART2,
+ .end = MXC_INT_UART2,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device mxc_uart_device1 = {
+ .name = "imx-uart",
+ .id = 1,
+ .resource = uart1,
+ .num_resources = ARRAY_SIZE(uart1),
+};
+
+static struct resource uart2[] = {
+ {
+ .start = UART3_BASE_ADDR,
+ .end = UART3_BASE_ADDR + 0x0B5,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = MXC_INT_UART3,
+ .end = MXC_INT_UART3,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device mxc_uart_device2 = {
+ .name = "imx-uart",
+ .id = 2,
+ .resource = uart2,
+ .num_resources = ARRAY_SIZE(uart2),
+};
+
+static struct resource uart3[] = {
+ {
+ .start = UART4_BASE_ADDR,
+ .end = UART4_BASE_ADDR + 0x0B5,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = MXC_INT_UART4,
+ .end = MXC_INT_UART4,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device mxc_uart_device3 = {
+ .name = "imx-uart",
+ .id = 3,
+ .resource = uart3,
+ .num_resources = ARRAY_SIZE(uart3),
+};
+
+static struct resource uart4[] = {
+ {
+ .start = UART5_BASE_ADDR,
+ .end = UART5_BASE_ADDR + 0x0B5,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = MXC_INT_UART5,
+ .end = MXC_INT_UART5,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device mxc_uart_device4 = {
+ .name = "imx-uart",
+ .id = 4,
+ .resource = uart4,
+ .num_resources = ARRAY_SIZE(uart4),
+};
+
+/*
+ * Register only those UARTs that physically exist
+ */
+int __init imx_init_uart(int uart_no, struct imxuart_platform_data *pdata)
+{
+ switch (uart_no) {
+ case 0:
+ mxc_uart_device0.dev.platform_data = pdata;
+ platform_device_register(&mxc_uart_device0);
+ break;
+ case 1:
+ mxc_uart_device1.dev.platform_data = pdata;
+ platform_device_register(&mxc_uart_device1);
+ break;
+ case 2:
+ mxc_uart_device2.dev.platform_data = pdata;
+ platform_device_register(&mxc_uart_device2);
+ break;
+ case 3:
+ mxc_uart_device3.dev.platform_data = pdata;
+ platform_device_register(&mxc_uart_device3);
+ break;
+ case 4:
+ mxc_uart_device4.dev.platform_data = pdata;
+ platform_device_register(&mxc_uart_device4);
+ break;
+ default:
+ return -ENODEV;
+ }
+
+ return 0;
+}
+
+/* GPIO port description */
+static struct mxc_gpio_port imx_gpio_ports[] = {
+ [0] = {
+ .chip.label = "gpio-0",
+ .base = IO_ADDRESS(GPIO1_BASE_ADDR),
+ .irq = MXC_INT_GPIO1,
+ .virtual_irq_start = MXC_GPIO_INT_BASE
+ },
+ [1] = {
+ .chip.label = "gpio-1",
+ .base = IO_ADDRESS(GPIO2_BASE_ADDR),
+ .irq = MXC_INT_GPIO2,
+ .virtual_irq_start = MXC_GPIO_INT_BASE + GPIO_NUM_PIN
+ },
+ [2] = {
+ .chip.label = "gpio-2",
+ .base = IO_ADDRESS(GPIO3_BASE_ADDR),
+ .irq = MXC_INT_GPIO3,
+ .virtual_irq_start = MXC_GPIO_INT_BASE + GPIO_NUM_PIN * 2
+ }
+};
+
+int __init mxc_register_gpios(void)
+{
+ return mxc_gpio_init(imx_gpio_ports, ARRAY_SIZE(imx_gpio_ports));
+}
diff --git a/arch/arm/mach-mx3/iomux.c b/arch/arm/mach-mx3/iomux.c
new file mode 100644
index 00000000000..adc51feefc1
--- /dev/null
+++ b/arch/arm/mach-mx3/iomux.c
@@ -0,0 +1,111 @@
+/*
+ * Copyright 2004-2006 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright (C) 2008 by Sascha Hauer <kernel@pengutronix.de>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+
+#include <linux/module.h>
+#include <linux/spinlock.h>
+#include <linux/io.h>
+#include <linux/gpio.h>
+#include <asm/hardware.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/iomux-mx3.h>
+
+/*
+ * IOMUX register (base) addresses
+ */
+#define IOMUX_BASE IO_ADDRESS(IOMUXC_BASE_ADDR)
+#define IOMUXINT_OBS1 (IOMUX_BASE + 0x000)
+#define IOMUXINT_OBS2 (IOMUX_BASE + 0x004)
+#define IOMUXGPR (IOMUX_BASE + 0x008)
+#define IOMUXSW_MUX_CTL (IOMUX_BASE + 0x00C)
+#define IOMUXSW_PAD_CTL (IOMUX_BASE + 0x154)
+
+static DEFINE_SPINLOCK(gpio_mux_lock);
+
+#define IOMUX_REG_MASK (IOMUX_PADNUM_MASK & ~0x3)
+/*
+ * set the mode for a IOMUX pin.
+ */
+int mxc_iomux_mode(unsigned int pin_mode)
+{
+ u32 reg, field, l, mode, ret = 0;
+
+ reg = IOMUXSW_MUX_CTL + (pin_mode & IOMUX_REG_MASK);
+ field = pin_mode & 0x3;
+ mode = (pin_mode & IOMUX_MODE_MASK) >> IOMUX_MODE_SHIFT;
+
+ pr_debug("%s: reg offset = 0x%x field = %d mode = 0x%02x\n",
+ __func__, (pin_mode & IOMUX_REG_MASK), field, mode);
+
+ spin_lock(&gpio_mux_lock);
+
+ l = __raw_readl(reg);
+ l &= ~(0xff << (field * 8));
+ l |= mode << (field * 8);
+ __raw_writel(l, reg);
+
+ spin_unlock(&gpio_mux_lock);
+
+ return ret;
+}
+EXPORT_SYMBOL(mxc_iomux_mode);
+
+/*
+ * This function configures the pad value for a IOMUX pin.
+ */
+void mxc_iomux_set_pad(enum iomux_pins pin, u32 config)
+{
+ u32 reg, field, l;
+
+ reg = IOMUXSW_PAD_CTL + (pin + 2) / 3;
+ field = (pin + 2) % 3;
+
+ pr_debug("%s: reg offset = 0x%x field = %d\n",
+ __func__, (pin + 2) / 3, field);
+
+ spin_lock(&gpio_mux_lock);
+
+ l = __raw_readl(reg);
+ l &= ~(0x1ff << (field * 9));
+ l |= config << (field * 9);
+ __raw_writel(l, reg);
+
+ spin_unlock(&gpio_mux_lock);
+}
+EXPORT_SYMBOL(mxc_iomux_set_pad);
+
+/*
+ * This function enables/disables the general purpose function for a particular
+ * signal.
+ */
+void mxc_iomux_set_gpr(enum iomux_gp_func gp, bool en)
+{
+ u32 l;
+
+ spin_lock(&gpio_mux_lock);
+ l = __raw_readl(IOMUXGPR);
+ if (en)
+ l |= gp;
+ else
+ l &= ~gp;
+
+ __raw_writel(l, IOMUXGPR);
+ spin_unlock(&gpio_mux_lock);
+}
+EXPORT_SYMBOL(mxc_iomux_set_gpr);
+
diff --git a/arch/arm/mach-mx3/mx31ads.c b/arch/arm/mach-mx3/mx31ads.c
index 7e89bdc23a9..eba3e0cd428 100644
--- a/arch/arm/mach-mx3/mx31ads.c
+++ b/arch/arm/mach-mx3/mx31ads.c
@@ -26,9 +26,11 @@
#include <asm/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
+#include <asm/mach/time.h>
#include <asm/memory.h>
#include <asm/mach/map.h>
#include <asm/arch/common.h>
+#include <asm/arch/board-mx31ads.h>
/*!
* @file mx31ads.c
@@ -126,6 +128,16 @@ static void __init mxc_board_init(void)
mxc_init_extuart();
}
+static void __init mx31ads_timer_init(void)
+{
+ mxc_clocks_init(26000000);
+ mxc_timer_init("ipg_clk.0");
+}
+
+struct sys_timer mx31ads_timer = {
+ .init = mx31ads_timer_init,
+};
+
/*
* The following uses standard kernel macros defined in arch.h in order to
* initialize __mach_desc_MX31ADS data structure.
@@ -138,5 +150,5 @@ MACHINE_START(MX31ADS, "Freescale MX31ADS")
.map_io = mx31ads_map_io,
.init_irq = mxc_init_irq,
.init_machine = mxc_board_init,
- .timer = &mxc_timer,
+ .timer = &mx31ads_timer,
MACHINE_END
diff --git a/arch/arm/mach-mx3/mx31lite.c b/arch/arm/mach-mx3/mx31lite.c
new file mode 100644
index 00000000000..1372c1a1fc3
--- /dev/null
+++ b/arch/arm/mach-mx3/mx31lite.c
@@ -0,0 +1,107 @@
+/*
+ * Copyright (C) 2000 Deep Blue Solutions Ltd
+ * Copyright (C) 2002 Shane Nay (shane@minirl.com)
+ * Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/memory.h>
+
+#include <asm/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/time.h>
+#include <asm/mach/map.h>
+#include <asm/arch/common.h>
+#include <asm/page.h>
+#include <asm/setup.h>
+#include <asm/arch/board-mx31lite.h>
+
+/*
+ * This file contains the board-specific initialization routines.
+ */
+
+/*
+ * This structure defines the MX31 memory map.
+ */
+static struct map_desc mx31lite_io_desc[] __initdata = {
+ {
+ .virtual = AIPS1_BASE_ADDR_VIRT,
+ .pfn = __phys_to_pfn(AIPS1_BASE_ADDR),
+ .length = AIPS1_SIZE,
+ .type = MT_NONSHARED_DEVICE
+ }, {
+ .virtual = SPBA0_BASE_ADDR_VIRT,
+ .pfn = __phys_to_pfn(SPBA0_BASE_ADDR),
+ .length = SPBA0_SIZE,
+ .type = MT_NONSHARED_DEVICE
+ }, {
+ .virtual = AIPS2_BASE_ADDR_VIRT,
+ .pfn = __phys_to_pfn(AIPS2_BASE_ADDR),
+ .length = AIPS2_SIZE,
+ .type = MT_NONSHARED_DEVICE
+ }, {
+ .virtual = CS4_BASE_ADDR_VIRT,
+ .pfn = __phys_to_pfn(CS4_BASE_ADDR),
+ .length = CS4_SIZE,
+ .type = MT_DEVICE
+ }
+};
+
+/*
+ * Set up static virtual mappings.
+ */
+void __init mx31lite_map_io(void)
+{
+ mxc_map_io();
+ iotable_init(mx31lite_io_desc, ARRAY_SIZE(mx31lite_io_desc));
+}
+
+/*
+ * Board specific initialization.
+ */
+static void __init mxc_board_init(void)
+{
+}
+
+static void __init mx31lite_timer_init(void)
+{
+ mxc_clocks_init(26000000);
+ mxc_timer_init("ipg_clk.0");
+}
+
+struct sys_timer mx31lite_timer = {
+ .init = mx31lite_timer_init,
+};
+
+/*
+ * The following uses standard kernel macros defined in arch.h in order to
+ * initialize __mach_desc_MX31LITE data structure.
+ */
+
+MACHINE_START(MX31LITE, "LogicPD MX31 LITEKIT")
+ /* Maintainer: Freescale Semiconductor, Inc. */
+ .phys_io = AIPS1_BASE_ADDR,
+ .io_pg_offst = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
+ .boot_params = PHYS_OFFSET + 0x100,
+ .map_io = mx31lite_map_io,
+ .init_irq = mxc_init_irq,
+ .init_machine = mxc_board_init,
+ .timer = &mx31lite_timer,
+MACHINE_END
diff --git a/arch/arm/mach-mx3/pcm037.c b/arch/arm/mach-mx3/pcm037.c
new file mode 100644
index 00000000000..a34ae6de266
--- /dev/null
+++ b/arch/arm/mach-mx3/pcm037.c
@@ -0,0 +1,130 @@
+/*
+ * Copyright (C) 2008 Sascha Hauer, Pengutronix
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <linux/types.h>
+#include <linux/init.h>
+
+#include <linux/platform_device.h>
+#include <linux/mtd/physmap.h>
+#include <linux/memory.h>
+
+#include <asm/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/time.h>
+#include <asm/mach/map.h>
+#include <asm/arch/common.h>
+#include <asm/arch/imx-uart.h>
+#include <asm/arch/iomux-mx3.h>
+#include <asm/arch/board-pcm037.h>
+
+static struct physmap_flash_data pcm037_flash_data = {
+ .width = 2,
+};
+
+static struct resource pcm037_flash_resource = {
+ .start = 0xa0000000,
+ .end = 0xa1ffffff,
+ .flags = IORESOURCE_MEM,
+};
+
+static struct platform_device pcm037_flash = {
+ .name = "physmap-flash",
+ .id = 0,
+ .dev = {
+ .platform_data = &pcm037_flash_data,
+ },
+ .resource = &pcm037_flash_resource,
+ .num_resources = 1,
+};
+
+static struct imxuart_platform_data uart_pdata = {
+ .flags = 0,
+};
+
+static struct platform_device *devices[] __initdata = {
+ &pcm037_flash,
+};
+
+/*
+ * Board specific initialization.
+ */
+static void __init mxc_board_init(void)
+{
+ platform_add_devices(devices, ARRAY_SIZE(devices));
+
+ mxc_iomux_mode(MX31_PIN_CTS1__CTS1);
+ mxc_iomux_mode(MX31_PIN_RTS1__RTS1);
+ mxc_iomux_mode(MX31_PIN_TXD1__TXD1);
+ mxc_iomux_mode(MX31_PIN_RXD1__RXD1);
+
+ imx_init_uart(0, &uart_pdata);
+
+ mxc_iomux_mode(MX31_PIN_CSPI3_MOSI__RXD3);
+ mxc_iomux_mode(MX31_PIN_CSPI3_MISO__TXD3);
+
+ imx_init_uart(2, &uart_pdata);
+}
+
+/*
+ * This structure defines static mappings for the pcm037 board.
+ */
+static struct map_desc pcm037_io_desc[] __initdata = {
+ {
+ .virtual = AIPS1_BASE_ADDR_VIRT,
+ .pfn = __phys_to_pfn(AIPS1_BASE_ADDR),
+ .length = AIPS1_SIZE,
+ .type = MT_DEVICE
+ }, {
+ .virtual = AIPS2_BASE_ADDR_VIRT,
+ .pfn = __phys_to_pfn(AIPS2_BASE_ADDR),
+ .length = AIPS2_SIZE,
+ .type = MT_DEVICE
+ },
+};
+
+/*
+ * Set up static virtual mappings.
+ */
+void __init pcm037_map_io(void)
+{
+ mxc_map_io();
+ iotable_init(pcm037_io_desc, ARRAY_SIZE(pcm037_io_desc));
+}
+
+static void __init pcm037_timer_init(void)
+{
+ mxc_clocks_init(26000000);
+ mxc_timer_init("ipg_clk.0");
+}
+
+struct sys_timer pcm037_timer = {
+ .init = pcm037_timer_init,
+};
+
+MACHINE_START(PCM037, "Phytec Phycore pcm037")
+ /* Maintainer: Pengutronix */
+ .phys_io = AIPS1_BASE_ADDR,
+ .io_pg_offst = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
+ .boot_params = PHYS_OFFSET + 0x100,
+ .map_io = pcm037_map_io,
+ .init_irq = mxc_init_irq,
+ .init_machine = mxc_board_init,
+ .timer = &pcm037_timer,
+MACHINE_END
+
diff --git a/arch/arm/mach-mx3/time.c b/arch/arm/mach-mx3/time.c
deleted file mode 100644
index fb565c98dbf..00000000000
--- a/arch/arm/mach-mx3/time.c
+++ /dev/null
@@ -1,148 +0,0 @@
-/*
- * System Timer Interrupt reconfigured to run in free-run mode.
- * Author: Vitaly Wool
- * Copyright 2004 MontaVista Software Inc.
- * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved.
- */
-
-/*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-/*!
- * @file time.c
- * @brief This file contains OS tick and wdog timer implementations.
- *
- * This file contains OS tick and wdog timer implementations.
- *
- * @ingroup Timers
- */
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/irq.h>
-#include <asm/hardware.h>
-#include <asm/mach/time.h>
-#include <asm/io.h>
-#include <asm/arch/common.h>
-
-/*!
- * This is the timer interrupt service routine to do required tasks.
- * It also services the WDOG timer at the frequency of twice per WDOG
- * timeout value. For example, if the WDOG's timeout value is 4 (2
- * seconds since the WDOG runs at 0.5Hz), it will be serviced once
- * every 2/2=1 second.
- *
- * @param irq GPT interrupt source number (not used)
- * @param dev_id this parameter is not used
- * @return always returns \b IRQ_HANDLED as defined in
- * include/linux/interrupt.h.
- */
-static irqreturn_t mxc_timer_interrupt(int irq, void *dev_id)
-{
- unsigned int next_match;
-
- if (__raw_readl(MXC_GPT_GPTSR) & GPTSR_OF1) {
- do {
- timer_tick();
- next_match = __raw_readl(MXC_GPT_GPTOCR1) + LATCH;
- __raw_writel(GPTSR_OF1, MXC_GPT_GPTSR);
- __raw_writel(next_match, MXC_GPT_GPTOCR1);
- } while ((signed long)(next_match -
- __raw_readl(MXC_GPT_GPTCNT)) <= 0);
- }
-
- return IRQ_HANDLED;
-}
-
-/*!
- * This function is used to obtain the number of microseconds since the last
- * timer interrupt. Note that interrupts is disabled by do_gettimeofday().
- *
- * @return the number of microseconds since the last timer interrupt.
- */
-static unsigned long mxc_gettimeoffset(void)
-{
- unsigned long ticks_to_match, elapsed, usec, tick_usec, i;
-
- /* Get ticks before next timer match */
- ticks_to_match =
- __raw_readl(MXC_GPT_GPTOCR1) - __raw_readl(MXC_GPT_GPTCNT);
-
- /* We need elapsed ticks since last match */
- elapsed = LATCH - ticks_to_match;
-
- /* Now convert them to usec */
- /* Insure no overflow when calculating the usec below */
- for (i = 1, tick_usec = tick_nsec / 1000;; i *= 2) {
- tick_usec /= i;
- if ((0xFFFFFFFF / tick_usec) > elapsed)
- break;
- }
- usec = (unsigned long)(elapsed * tick_usec) / (LATCH / i);
-
- return usec;
-}
-
-/*!
- * The OS tick timer interrupt structure.
- */
-static struct irqaction timer_irq = {
- .name = "MXC Timer Tick",
- .flags = IRQF_DISABLED | IRQF_TIMER,
- .handler = mxc_timer_interrupt
-};
-
-/*!
- * This function is used to initialize the GPT to produce an interrupt
- * based on HZ. It is called by start_kernel() during system startup.
- */
-void __init mxc_init_time(void)
-{
- u32 reg, v;
- reg = __raw_readl(MXC_GPT_GPTCR);
- reg &= ~GPTCR_ENABLE;
- __raw_writel(reg, MXC_GPT_GPTCR);
- reg |= GPTCR_SWR;
- __raw_writel(reg, MXC_GPT_GPTCR);
-
- while ((__raw_readl(MXC_GPT_GPTCR) & GPTCR_SWR) != 0)
- cpu_relax();
-
- reg = GPTCR_FRR | GPTCR_CLKSRC_HIGHFREQ;
- __raw_writel(reg, MXC_GPT_GPTCR);
-
- /* TODO: get timer rate from clk driver */
- v = 66500000;
-
- __raw_writel((v / CLOCK_TICK_RATE) - 1, MXC_GPT_GPTPR);
-
- if ((v % CLOCK_TICK_RATE) != 0) {
- pr_info("\nWARNING: Can't generate CLOCK_TICK_RATE at %d Hz\n",
- CLOCK_TICK_RATE);
- }
- pr_info("Actual CLOCK_TICK_RATE is %d Hz\n",
- v / ((__raw_readl(MXC_GPT_GPTPR) & 0xFFF) + 1));
-
- reg = __raw_readl(MXC_GPT_GPTCNT);
- reg += LATCH;
- __raw_writel(reg, MXC_GPT_GPTOCR1);
-
- setup_irq(MXC_INT_GPT, &timer_irq);
-
- reg = __raw_readl(MXC_GPT_GPTCR);
- reg =
- GPTCR_FRR | GPTCR_CLKSRC_HIGHFREQ | GPTCR_STOPEN | GPTCR_DOZEN |
- GPTCR_WAITEN | GPTCR_ENMOD | GPTCR_ENABLE;
- __raw_writel(reg, MXC_GPT_GPTCR);
-
- __raw_writel(GPTIR_OF1IE, MXC_GPT_GPTIR);
-}
-
-struct sys_timer mxc_timer = {
- .init = mxc_init_time,
- .offset = mxc_gettimeoffset,
-};
diff --git a/arch/arm/mach-omap1/Makefile b/arch/arm/mach-omap1/Makefile
index c06f5254c0f..1bda8f5d754 100644
--- a/arch/arm/mach-omap1/Makefile
+++ b/arch/arm/mach-omap1/Makefile
@@ -3,7 +3,9 @@
#
# Common support
-obj-y := io.o id.o clock.o irq.o mux.o serial.o devices.o
+obj-y := io.o id.o sram.o clock.o irq.o mux.o serial.o devices.o
+
+obj-$(CONFIG_OMAP_MCBSP) += mcbsp.o
obj-$(CONFIG_OMAP_MPU_TIMER) += time.o
obj-$(CONFIG_OMAP_32K_TIMER) += timer32k.o
diff --git a/arch/arm/mach-omap1/board-nokia770.c b/arch/arm/mach-omap1/board-nokia770.c
index bcb984f2300..3f39e0e79c9 100644
--- a/arch/arm/mach-omap1/board-nokia770.c
+++ b/arch/arm/mach-omap1/board-nokia770.c
@@ -10,6 +10,7 @@
#include <linux/kernel.h>
#include <linux/init.h>
+#include <linux/mutex.h>
#include <linux/platform_device.h>
#include <linux/input.h>
#include <linux/clk.h>
@@ -202,7 +203,7 @@ static struct omap_board_config_kernel nokia770_config[] __initdata = {
#define AMPLIFIER_CTRL_GPIO 58
static struct clk *dspxor_ck;
-static DECLARE_MUTEX(audio_pwr_sem);
+static DEFINE_MUTEX(audio_pwr_lock);
/*
* audio_pwr_state
* +--+-------------------------+---------------------------------------+
@@ -218,7 +219,7 @@ static DECLARE_MUTEX(audio_pwr_sem);
static int audio_pwr_state = -1;
/*
- * audio_pwr_up / down should be called under audio_pwr_sem
+ * audio_pwr_up / down should be called under audio_pwr_lock
*/
static void nokia770_audio_pwr_up(void)
{
@@ -237,11 +238,11 @@ static void nokia770_audio_pwr_up(void)
static void codec_delayed_power_down(struct work_struct *work)
{
- down(&audio_pwr_sem);
+ mutex_lock(&audio_pwr_lock);
if (audio_pwr_state == -1)
aic23_power_down();
clk_disable(dspxor_ck);
- up(&audio_pwr_sem);
+ mutex_unlock(&audio_pwr_lock);
}
static DECLARE_DELAYED_WORK(codec_power_down_work, codec_delayed_power_down);
@@ -258,19 +259,19 @@ static void nokia770_audio_pwr_down(void)
static int
nokia770_audio_pwr_up_request(struct dsp_kfunc_device *kdev, int stage)
{
- down(&audio_pwr_sem);
+ mutex_lock(&audio_pwr_lock);
if (audio_pwr_state == -1)
nokia770_audio_pwr_up();
/* force audio_pwr_state = 0, even if it was 1. */
audio_pwr_state = 0;
- up(&audio_pwr_sem);
+ mutex_unlock(&audio_pwr_lock);
return 0;
}
static int
nokia770_audio_pwr_down_request(struct dsp_kfunc_device *kdev, int stage)
{
- down(&audio_pwr_sem);
+ mutex_lock(&audio_pwr_lock);
switch (stage) {
case 1:
if (audio_pwr_state == 0)
@@ -283,7 +284,7 @@ nokia770_audio_pwr_down_request(struct dsp_kfunc_device *kdev, int stage)
}
break;
}
- up(&audio_pwr_sem);
+ mutex_unlock(&audio_pwr_lock);
return 0;
}
diff --git a/arch/arm/mach-omap1/board-osk.c b/arch/arm/mach-omap1/board-osk.c
index a66505f58b1..845c66371ca 100644
--- a/arch/arm/mach-omap1/board-osk.c
+++ b/arch/arm/mach-omap1/board-osk.c
@@ -267,13 +267,17 @@ static struct i2c_board_info __initdata osk_i2c_board_info[] = {
static void __init osk_init_smc91x(void)
{
+ u32 l;
+
if ((gpio_request(0, "smc_irq")) < 0) {
printk("Error requesting gpio 0 for smc91x irq\n");
return;
}
/* Check EMIFS wait states to fix errors with SMC_GET_PKT_HDR */
- EMIFS_CCS(1) |= 0x3;
+ l = omap_readl(EMIFS_CCS(1));
+ l |= 0x3;
+ omap_writel(l, EMIFS_CCS(1));
}
static void __init osk_init_cf(void)
@@ -526,20 +530,26 @@ static void __init osk_mistral_init(void) { }
static void __init osk_init(void)
{
+ u32 l;
+
/* Workaround for wrong CS3 (NOR flash) timing
* There are some U-Boot versions out there which configure
* wrong CS3 memory timings. This mainly leads to CRC
* or similar errors if you use NOR flash (e.g. with JFFS2)
*/
- if (EMIFS_CCS(3) != EMIFS_CS3_VAL)
- EMIFS_CCS(3) = EMIFS_CS3_VAL;
+ l = omap_readl(EMIFS_CCS(3));
+ if (l != EMIFS_CS3_VAL)
+ omap_writel(EMIFS_CS3_VAL, EMIFS_CCS(3));
osk_flash_resource.end = osk_flash_resource.start = omap_cs3_phys();
osk_flash_resource.end += SZ_32M - 1;
platform_add_devices(osk5912_devices, ARRAY_SIZE(osk5912_devices));
omap_board_config = osk_config;
omap_board_config_size = ARRAY_SIZE(osk_config);
- USB_TRANSCEIVER_CTRL_REG |= (3 << 1);
+
+ l = omap_readl(USB_TRANSCEIVER_CTRL);
+ l |= (3 << 1);
+ omap_writel(l, USB_TRANSCEIVER_CTRL);
/* irq for tps65010 chip */
/* bootloader effectively does: omap_cfg_reg(U19_1610_MPUIO1); */
diff --git a/arch/arm/mach-omap1/fpga.c b/arch/arm/mach-omap1/fpga.c
index 30e18810904..0cf62ef5ecb 100644
--- a/arch/arm/mach-omap1/fpga.c
+++ b/arch/arm/mach-omap1/fpga.c
@@ -32,7 +32,7 @@
static void fpga_mask_irq(unsigned int irq)
{
- irq -= OMAP1510_IH_FPGA_BASE;
+ irq -= OMAP_FPGA_IRQ_BASE;
if (irq < 8)
__raw_writeb((__raw_readb(OMAP1510_FPGA_IMR_LO)
@@ -65,7 +65,7 @@ static void fpga_ack_irq(unsigned int irq)
static void fpga_unmask_irq(unsigned int irq)
{
- irq -= OMAP1510_IH_FPGA_BASE;
+ irq -= OMAP_FPGA_IRQ_BASE;
if (irq < 8)
__raw_writeb((__raw_readb(OMAP1510_FPGA_IMR_LO) | (1 << irq)),
@@ -95,8 +95,8 @@ void innovator_fpga_IRQ_demux(unsigned int irq, struct irq_desc *desc)
if (!stat)
return;
- for (fpga_irq = OMAP1510_IH_FPGA_BASE;
- (fpga_irq < (OMAP1510_IH_FPGA_BASE + NR_FPGA_IRQS)) && stat;
+ for (fpga_irq = OMAP_FPGA_IRQ_BASE;
+ (fpga_irq < OMAP_FPGA_IRQ_END) && stat;
fpga_irq++, stat >>= 1) {
if (stat & 1) {
d = irq_desc + fpga_irq;
@@ -151,7 +151,7 @@ void omap1510_fpga_init_irq(void)
__raw_writeb(0, OMAP1510_FPGA_IMR_HI);
__raw_writeb(0, INNOVATOR_FPGA_IMR2);
- for (i = OMAP1510_IH_FPGA_BASE; i < (OMAP1510_IH_FPGA_BASE + NR_FPGA_IRQS); i++) {
+ for (i = OMAP_FPGA_IRQ_BASE; i < OMAP_FPGA_IRQ_END; i++) {
if (i == OMAP1510_INT_FPGA_TS) {
/*
diff --git a/arch/arm/mach-omap1/mcbsp.c b/arch/arm/mach-omap1/mcbsp.c
new file mode 100644
index 00000000000..2d2c2522b04
--- /dev/null
+++ b/arch/arm/mach-omap1/mcbsp.c
@@ -0,0 +1,280 @@
+/*
+ * linux/arch/arm/mach-omap1/mcbsp.c
+ *
+ * Copyright (C) 2008 Instituto Nokia de Tecnologia
+ * Contact: Eduardo Valentin <eduardo.valentin@indt.org.br>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Multichannel mode not supported.
+ */
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/platform_device.h>
+
+#include <asm/arch/dma.h>
+#include <asm/arch/mux.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/mcbsp.h>
+#include <asm/arch/dsp_common.h>
+
+#define DPS_RSTCT2_PER_EN (1 << 0)
+#define DSP_RSTCT2_WD_PER_EN (1 << 1)
+
+struct mcbsp_internal_clk {
+ struct clk clk;
+ struct clk **childs;
+ int n_childs;
+};
+
+#if defined(CONFIG_ARCH_OMAP15XX) || defined(CONFIG_ARCH_OMAP16XX)
+static void omap_mcbsp_clk_init(struct mcbsp_internal_clk *mclk)
+{
+ const char *clk_names[] = { "dsp_ck", "api_ck", "dspxor_ck" };
+ int i;
+
+ mclk->n_childs = ARRAY_SIZE(clk_names);
+ mclk->childs = kzalloc(mclk->n_childs * sizeof(struct clk *),
+ GFP_KERNEL);
+
+ for (i = 0; i < mclk->n_childs; i++) {
+ /* We fake a platform device to get correct device id */
+ struct platform_device pdev;
+
+ pdev.dev.bus = &platform_bus_type;
+ pdev.id = mclk->clk.id;
+ mclk->childs[i] = clk_get(&pdev.dev, clk_names[i]);
+ if (IS_ERR(mclk->childs[i]))
+ printk(KERN_ERR "Could not get clock %s (%d).\n",
+ clk_names[i], mclk->clk.id);
+ }
+}
+
+static int omap_mcbsp_clk_enable(struct clk *clk)
+{
+ struct mcbsp_internal_clk *mclk = container_of(clk,
+ struct mcbsp_internal_clk, clk);
+ int i;
+
+ for (i = 0; i < mclk->n_childs; i++)
+ clk_enable(mclk->childs[i]);
+ return 0;
+}
+
+static void omap_mcbsp_clk_disable(struct clk *clk)
+{
+ struct mcbsp_internal_clk *mclk = container_of(clk,
+ struct mcbsp_internal_clk, clk);
+ int i;
+
+ for (i = 0; i < mclk->n_childs; i++)
+ clk_disable(mclk->childs[i]);
+}
+
+static struct mcbsp_internal_clk omap_mcbsp_clks[] = {
+ {
+ .clk = {
+ .name = "mcbsp_clk",
+ .id = 1,
+ .enable = omap_mcbsp_clk_enable,
+ .disable = omap_mcbsp_clk_disable,
+ },
+ },
+ {
+ .clk = {
+ .name = "mcbsp_clk",
+ .id = 3,
+ .enable = omap_mcbsp_clk_enable,
+ .disable = omap_mcbsp_clk_disable,
+ },
+ },
+};
+
+#define omap_mcbsp_clks_size ARRAY_SIZE(omap_mcbsp_clks)
+#else
+#define omap_mcbsp_clks_size 0
+static struct mcbsp_internal_clk __initdata *omap_mcbsp_clks;
+static inline void omap_mcbsp_clk_init(struct mcbsp_internal_clk *mclk)
+{ }
+#endif
+
+static int omap1_mcbsp_check(unsigned int id)
+{
+ /* REVISIT: Check correctly for number of registered McBSPs */
+ if (cpu_is_omap730()) {
+ if (id > OMAP_MAX_MCBSP_COUNT - 2) {
+ printk(KERN_ERR "OMAP-McBSP: McBSP%d doesn't exist\n",
+ id + 1);
+ return -ENODEV;
+ }
+ return 0;
+ }
+
+ if (cpu_is_omap15xx() || cpu_is_omap16xx()) {
+ if (id > OMAP_MAX_MCBSP_COUNT - 1) {
+ printk(KERN_ERR "OMAP-McBSP: McBSP%d doesn't exist\n",
+ id + 1);
+ return -ENODEV;
+ }
+ return 0;
+ }
+
+ return -ENODEV;
+}
+
+static void omap1_mcbsp_request(unsigned int id)
+{
+ /*
+ * On 1510, 1610 and 1710, McBSP1 and McBSP3
+ * are DSP public peripherals.
+ */
+ if (id == OMAP_MCBSP1 || id == OMAP_MCBSP3) {
+ omap_dsp_request_mem();
+ /*
+ * DSP external peripheral reset
+ * FIXME: This should be moved to dsp code
+ */
+ __raw_writew(__raw_readw(DSP_RSTCT2) | DPS_RSTCT2_PER_EN |
+ DSP_RSTCT2_WD_PER_EN, DSP_RSTCT2);
+ }
+}
+
+static void omap1_mcbsp_free(unsigned int id)
+{
+ if (id == OMAP_MCBSP1 || id == OMAP_MCBSP3)
+ omap_dsp_release_mem();
+}
+
+static struct omap_mcbsp_ops omap1_mcbsp_ops = {
+ .check = omap1_mcbsp_check,
+ .request = omap1_mcbsp_request,
+ .free = omap1_mcbsp_free,
+};
+
+#ifdef CONFIG_ARCH_OMAP730
+static struct omap_mcbsp_platform_data omap730_mcbsp_pdata[] = {
+ {
+ .virt_base = io_p2v(OMAP730_MCBSP1_BASE),
+ .dma_rx_sync = OMAP_DMA_MCBSP1_RX,
+ .dma_tx_sync = OMAP_DMA_MCBSP1_TX,
+ .rx_irq = INT_730_McBSP1RX,
+ .tx_irq = INT_730_McBSP1TX,
+ .ops = &omap1_mcbsp_ops,
+ },
+ {
+ .virt_base = io_p2v(OMAP730_MCBSP2_BASE),
+ .dma_rx_sync = OMAP_DMA_MCBSP3_RX,
+ .dma_tx_sync = OMAP_DMA_MCBSP3_TX,
+ .rx_irq = INT_730_McBSP2RX,
+ .tx_irq = INT_730_McBSP2TX,
+ .ops = &omap1_mcbsp_ops,
+ },
+};
+#define OMAP730_MCBSP_PDATA_SZ ARRAY_SIZE(omap730_mcbsp_pdata)
+#else
+#define omap730_mcbsp_pdata NULL
+#define OMAP730_MCBSP_PDATA_SZ 0
+#endif
+
+#ifdef CONFIG_ARCH_OMAP15XX
+static struct omap_mcbsp_platform_data omap15xx_mcbsp_pdata[] = {
+ {
+ .virt_base = OMAP1510_MCBSP1_BASE,
+ .dma_rx_sync = OMAP_DMA_MCBSP1_RX,
+ .dma_tx_sync = OMAP_DMA_MCBSP1_TX,
+ .rx_irq = INT_McBSP1RX,
+ .tx_irq = INT_McBSP1TX,
+ .ops = &omap1_mcbsp_ops,
+ .clk_name = "mcbsp_clk",
+ },
+ {
+ .virt_base = io_p2v(OMAP1510_MCBSP2_BASE),
+ .dma_rx_sync = OMAP_DMA_MCBSP2_RX,
+ .dma_tx_sync = OMAP_DMA_MCBSP2_TX,
+ .rx_irq = INT_1510_SPI_RX,
+ .tx_irq = INT_1510_SPI_TX,
+ .ops = &omap1_mcbsp_ops,
+ },
+ {
+ .virt_base = OMAP1510_MCBSP3_BASE,
+ .dma_rx_sync = OMAP_DMA_MCBSP3_RX,
+ .dma_tx_sync = OMAP_DMA_MCBSP3_TX,
+ .rx_irq = INT_McBSP3RX,
+ .tx_irq = INT_McBSP3TX,
+ .ops = &omap1_mcbsp_ops,
+ .clk_name = "mcbsp_clk",
+ },
+};
+#define OMAP15XX_MCBSP_PDATA_SZ ARRAY_SIZE(omap15xx_mcbsp_pdata)
+#else
+#define omap15xx_mcbsp_pdata NULL
+#define OMAP15XX_MCBSP_PDATA_SZ 0
+#endif
+
+#ifdef CONFIG_ARCH_OMAP16XX
+static struct omap_mcbsp_platform_data omap16xx_mcbsp_pdata[] = {
+ {
+ .virt_base = OMAP1610_MCBSP1_BASE,
+ .dma_rx_sync = OMAP_DMA_MCBSP1_RX,
+ .dma_tx_sync = OMAP_DMA_MCBSP1_TX,
+ .rx_irq = INT_McBSP1RX,
+ .tx_irq = INT_McBSP1TX,
+ .ops = &omap1_mcbsp_ops,
+ .clk_name = "mcbsp_clk",
+ },
+ {
+ .virt_base = io_p2v(OMAP1610_MCBSP2_BASE),
+ .dma_rx_sync = OMAP_DMA_MCBSP2_RX,
+ .dma_tx_sync = OMAP_DMA_MCBSP2_TX,
+ .rx_irq = INT_1610_McBSP2_RX,
+ .tx_irq = INT_1610_McBSP2_TX,
+ .ops = &omap1_mcbsp_ops,
+ },
+ {
+ .virt_base = OMAP1610_MCBSP3_BASE,
+ .dma_rx_sync = OMAP_DMA_MCBSP3_RX,
+ .dma_tx_sync = OMAP_DMA_MCBSP3_TX,
+ .rx_irq = INT_McBSP3RX,
+ .tx_irq = INT_McBSP3TX,
+ .ops = &omap1_mcbsp_ops,
+ .clk_name = "mcbsp_clk",
+ },
+};
+#define OMAP16XX_MCBSP_PDATA_SZ ARRAY_SIZE(omap16xx_mcbsp_pdata)
+#else
+#define omap16xx_mcbsp_pdata NULL
+#define OMAP16XX_MCBSP_PDATA_SZ 0
+#endif
+
+int __init omap1_mcbsp_init(void)
+{
+ int i;
+
+ for (i = 0; i < omap_mcbsp_clks_size; i++) {
+ if (cpu_is_omap15xx() || cpu_is_omap16xx()) {
+ omap_mcbsp_clk_init(&omap_mcbsp_clks[i]);
+ clk_register(&omap_mcbsp_clks[i].clk);
+ }
+ }
+
+ if (cpu_is_omap730())
+ omap_mcbsp_register_board_cfg(omap730_mcbsp_pdata,
+ OMAP730_MCBSP_PDATA_SZ);
+
+ if (cpu_is_omap15xx())
+ omap_mcbsp_register_board_cfg(omap15xx_mcbsp_pdata,
+ OMAP15XX_MCBSP_PDATA_SZ);
+
+ if (cpu_is_omap16xx())
+ omap_mcbsp_register_board_cfg(omap16xx_mcbsp_pdata,
+ OMAP16XX_MCBSP_PDATA_SZ);
+
+ return omap_mcbsp_init();
+}
+
+arch_initcall(omap1_mcbsp_init);
diff --git a/arch/arm/mach-omap1/pm.c b/arch/arm/mach-omap1/pm.c
index e6c64e10b7e..742f79e73bd 100644
--- a/arch/arm/mach-omap1/pm.c
+++ b/arch/arm/mach-omap1/pm.c
@@ -116,13 +116,6 @@ void omap_pm_idle(void)
return;
}
- /*
- * Since an interrupt may set up a timer, we don't want to
- * reprogram the hardware timer with interrupts enabled.
- * Re-enable interrupts only after returning from idle.
- */
- timer_dyn_reprogram();
-
#ifdef CONFIG_OMAP_MPU_TIMER
#warning Enable 32kHz OS timer in order to allow sleep states in idle
use_idlect1 = use_idlect1 & ~(1 << 9);
diff --git a/arch/arm/plat-omap/sram-fn.S b/arch/arm/mach-omap1/sram.S
index 9e1813c77e0..126d252062d 100644
--- a/arch/arm/plat-omap/sram-fn.S
+++ b/arch/arm/mach-omap1/sram.S
@@ -18,7 +18,7 @@
/*
* Reprograms ULPD and CKCTL.
*/
-ENTRY(sram_reprogram_clock)
+ENTRY(omap1_sram_reprogram_clock)
stmfd sp!, {r0 - r12, lr} @ save registers on stack
mov r2, #IO_ADDRESS(DPLL_CTL) & 0xff000000
@@ -53,5 +53,5 @@ lock: ldrh r4, [r2], #0 @ read back dpll value
out:
ldmfd sp!, {r0 - r12, pc} @ restore regs and return
-ENTRY(sram_reprogram_clock_sz)
- .word . - sram_reprogram_clock
+ENTRY(omap1_sram_reprogram_clock_sz)
+ .word . - omap1_sram_reprogram_clock
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index 2feb6870b73..93ee990618e 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -3,9 +3,15 @@
#
# Common support
-obj-y := irq.o id.o io.o sram-fn.o memory.o control.o prcm.o clock.o mux.o \
+obj-y := irq.o id.o io.o memory.o control.o prcm.o clock.o mux.o \
devices.o serial.o gpmc.o timer-gp.o
+obj-$(CONFIG_OMAP_MCBSP) += mcbsp.o
+
+# Functions loaded to SRAM
+obj-$(CONFIG_ARCH_OMAP2420) += sram242x.o
+obj-$(CONFIG_ARCH_OMAP2430) += sram243x.o
+
# Power Management
obj-$(CONFIG_PM) += pm.o sleep.o
diff --git a/arch/arm/mach-omap2/clock.c b/arch/arm/mach-omap2/clock.c
index ab9fc57d25f..15675bce801 100644
--- a/arch/arm/mach-omap2/clock.c
+++ b/arch/arm/mach-omap2/clock.c
@@ -41,6 +41,24 @@
#define MAX_CLOCK_ENABLE_WAIT 100000
+/* DPLL rate rounding: minimum DPLL multiplier, divider values */
+#define DPLL_MIN_MULTIPLIER 1
+#define DPLL_MIN_DIVIDER 1
+
+/* Possible error results from _dpll_test_mult */
+#define DPLL_MULT_UNDERFLOW (1 << 0)
+
+/*
+ * Scale factor to mitigate roundoff errors in DPLL rate rounding.
+ * The higher the scale factor, the greater the risk of arithmetic overflow,
+ * but the closer the rounded rate to the target rate. DPLL_SCALE_FACTOR
+ * must be a power of DPLL_SCALE_BASE.
+ */
+#define DPLL_SCALE_FACTOR 64
+#define DPLL_SCALE_BASE 2
+#define DPLL_ROUNDING_VAL ((DPLL_SCALE_BASE / 2) * \
+ (DPLL_SCALE_FACTOR / DPLL_SCALE_BASE))
+
u8 cpu_mask;
/*-------------------------------------------------------------------------
@@ -95,7 +113,7 @@ u32 omap2_get_dpll_rate(struct clk *clk)
{
long long dpll_clk;
u32 dpll_mult, dpll_div, dpll;
- const struct dpll_data *dd;
+ struct dpll_data *dd;
dd = clk->dpll_data;
/* REVISIT: What do we return on error? */
@@ -603,7 +621,8 @@ int omap2_clksel_set_rate(struct clk *clk, unsigned long rate)
clk->rate = clk->parent->rate / new_div;
if (clk->flags & DELAYED_APP && cpu_is_omap24xx()) {
- __raw_writel(OMAP24XX_VALID_CONFIG, OMAP24XX_PRCM_CLKCFG_CTRL);
+ prm_write_mod_reg(OMAP24XX_VALID_CONFIG,
+ OMAP24XX_GR_MOD, OMAP24XX_PRCM_CLKCFG_CTRL_OFFSET);
wmb();
}
@@ -723,6 +742,184 @@ int omap2_clk_set_parent(struct clk *clk, struct clk *new_parent)
return 0;
}
+/* DPLL rate rounding code */
+
+/**
+ * omap2_dpll_set_rate_tolerance: set the error tolerance during rate rounding
+ * @clk: struct clk * of the DPLL
+ * @tolerance: maximum rate error tolerance
+ *
+ * Set the maximum DPLL rate error tolerance for the rate rounding
+ * algorithm. The rate tolerance is an attempt to balance DPLL power
+ * saving (the least divider value "n") vs. rate fidelity (the least
+ * difference between the desired DPLL target rate and the rounded
+ * rate out of the algorithm). So, increasing the tolerance is likely
+ * to decrease DPLL power consumption and increase DPLL rate error.
+ * Returns -EINVAL if provided a null clock ptr or a clk that is not a
+ * DPLL; or 0 upon success.
+ */
+int omap2_dpll_set_rate_tolerance(struct clk *clk, unsigned int tolerance)
+{
+ if (!clk || !clk->dpll_data)
+ return -EINVAL;
+
+ clk->dpll_data->rate_tolerance = tolerance;
+
+ return 0;
+}
+
+static unsigned long _dpll_compute_new_rate(unsigned long parent_rate, unsigned int m, unsigned int n)
+{
+ unsigned long long num;
+
+ num = (unsigned long long)parent_rate * m;
+ do_div(num, n);
+ return num;
+}
+
+/*
+ * _dpll_test_mult - test a DPLL multiplier value
+ * @m: pointer to the DPLL m (multiplier) value under test
+ * @n: current DPLL n (divider) value under test
+ * @new_rate: pointer to storage for the resulting rounded rate
+ * @target_rate: the desired DPLL rate
+ * @parent_rate: the DPLL's parent clock rate
+ *
+ * This code tests a DPLL multiplier value, ensuring that the
+ * resulting rate will not be higher than the target_rate, and that
+ * the multiplier value itself is valid for the DPLL. Initially, the
+ * integer pointed to by the m argument should be prescaled by
+ * multiplying by DPLL_SCALE_FACTOR. The code will replace this with
+ * a non-scaled m upon return. This non-scaled m will result in a
+ * new_rate as close as possible to target_rate (but not greater than
+ * target_rate) given the current (parent_rate, n, prescaled m)
+ * triple. Returns DPLL_MULT_UNDERFLOW in the event that the
+ * non-scaled m attempted to underflow, which can allow the calling
+ * function to bail out early; or 0 upon success.
+ */
+static int _dpll_test_mult(int *m, int n, unsigned long *new_rate,
+ unsigned long target_rate,
+ unsigned long parent_rate)
+{
+ int flags = 0, carry = 0;
+
+ /* Unscale m and round if necessary */
+ if (*m % DPLL_SCALE_FACTOR >= DPLL_ROUNDING_VAL)
+ carry = 1;
+ *m = (*m / DPLL_SCALE_FACTOR) + carry;
+
+ /*
+ * The new rate must be <= the target rate to avoid programming
+ * a rate that is impossible for the hardware to handle
+ */
+ *new_rate = _dpll_compute_new_rate(parent_rate, *m, n);
+ if (*new_rate > target_rate) {
+ (*m)--;
+ *new_rate = 0;
+ }
+
+ /* Guard against m underflow */
+ if (*m < DPLL_MIN_MULTIPLIER) {
+ *m = DPLL_MIN_MULTIPLIER;
+ *new_rate = 0;
+ flags = DPLL_MULT_UNDERFLOW;
+ }
+
+ if (*new_rate == 0)
+ *new_rate = _dpll_compute_new_rate(parent_rate, *m, n);
+
+ return flags;
+}
+
+/**
+ * omap2_dpll_round_rate - round a target rate for an OMAP DPLL
+ * @clk: struct clk * for a DPLL
+ * @target_rate: desired DPLL clock rate
+ *
+ * Given a DPLL, a desired target rate, and a rate tolerance, round
+ * the target rate to a possible, programmable rate for this DPLL.
+ * Rate tolerance is assumed to be set by the caller before this
+ * function is called. Attempts to select the minimum possible n
+ * within the tolerance to reduce power consumption. Stores the
+ * computed (m, n) in the DPLL's dpll_data structure so set_rate()
+ * will not need to call this (expensive) function again. Returns ~0
+ * if the target rate cannot be rounded, either because the rate is
+ * too low or because the rate tolerance is set too tightly; or the
+ * rounded rate upon success.
+ */
+long omap2_dpll_round_rate(struct clk *clk, unsigned long target_rate)
+{
+ int m, n, r, e, scaled_max_m;
+ unsigned long scaled_rt_rp, new_rate;
+ int min_e = -1, min_e_m = -1, min_e_n = -1;
+
+ if (!clk || !clk->dpll_data)
+ return ~0;
+
+ pr_debug("clock: starting DPLL round_rate for clock %s, target rate "
+ "%ld\n", clk->name, target_rate);
+
+ scaled_rt_rp = target_rate / (clk->parent->rate / DPLL_SCALE_FACTOR);
+ scaled_max_m = clk->dpll_data->max_multiplier * DPLL_SCALE_FACTOR;
+
+ clk->dpll_data->last_rounded_rate = 0;
+
+ for (n = clk->dpll_data->max_divider; n >= DPLL_MIN_DIVIDER; n--) {
+
+ /* Compute the scaled DPLL multiplier, based on the divider */
+ m = scaled_rt_rp * n;
+
+ /*
+ * Since we're counting n down, a m overflow means we can
+ * can immediately skip to the next n
+ */
+ if (m > scaled_max_m)
+ continue;
+
+ r = _dpll_test_mult(&m, n, &new_rate, target_rate,
+ clk->parent->rate);
+
+ e = target_rate - new_rate;
+ pr_debug("clock: n = %d: m = %d: rate error is %d "
+ "(new_rate = %ld)\n", n, m, e, new_rate);
+
+ if (min_e == -1 ||
+ min_e >= (int)(abs(e) - clk->dpll_data->rate_tolerance)) {
+ min_e = e;
+ min_e_m = m;
+ min_e_n = n;
+
+ pr_debug("clock: found new least error %d\n", min_e);
+ }
+
+ /*
+ * Since we're counting n down, a m underflow means we
+ * can bail out completely (since as n decreases in
+ * the next iteration, there's no way that m can
+ * increase beyond the current m)
+ */
+ if (r & DPLL_MULT_UNDERFLOW)
+ break;
+ }
+
+ if (min_e < 0) {
+ pr_debug("clock: error: target rate or tolerance too low\n");
+ return ~0;
+ }
+
+ clk->dpll_data->last_rounded_m = min_e_m;
+ clk->dpll_data->last_rounded_n = min_e_n;
+ clk->dpll_data->last_rounded_rate =
+ _dpll_compute_new_rate(clk->parent->rate, min_e_m, min_e_n);
+
+ pr_debug("clock: final least error: e = %d, m = %d, n = %d\n",
+ min_e, min_e_m, min_e_n);
+ pr_debug("clock: final rate: %ld (target rate: %ld)\n",
+ clk->dpll_data->last_rounded_rate, target_rate);
+
+ return clk->dpll_data->last_rounded_rate;
+}
+
/*-------------------------------------------------------------------------
* Omap2 clock reset and init functions
*-------------------------------------------------------------------------*/
diff --git a/arch/arm/mach-omap2/clock.h b/arch/arm/mach-omap2/clock.h
index d5980a9e09a..3cd37cb57c5 100644
--- a/arch/arm/mach-omap2/clock.h
+++ b/arch/arm/mach-omap2/clock.h
@@ -18,11 +18,16 @@
#include <asm/arch/clock.h>
+/* The maximum error between a target DPLL rate and the rounded rate in Hz */
+#define DEFAULT_DPLL_RATE_TOLERANCE 50000
+
int omap2_clk_enable(struct clk *clk);
void omap2_clk_disable(struct clk *clk);
long omap2_clk_round_rate(struct clk *clk, unsigned long rate);
int omap2_clk_set_rate(struct clk *clk, unsigned long rate);
int omap2_clk_set_parent(struct clk *clk, struct clk *new_parent);
+int omap2_dpll_rate_tolerance_set(struct clk *clk, unsigned int tolerance);
+long omap2_dpll_round_rate(struct clk *clk, unsigned long target_rate);
#ifdef CONFIG_OMAP_RESET_CLOCKS
void omap2_clk_disable_unused(struct clk *clk);
@@ -42,6 +47,7 @@ long omap2_clksel_round_rate(struct clk *clk, unsigned long target_rate);
int omap2_clksel_set_rate(struct clk *clk, unsigned long rate);
u32 omap2_get_dpll_rate(struct clk *clk);
int omap2_wait_clock_ready(void __iomem *reg, u32 cval, const char *name);
+void omap2_clk_prepare_for_reboot(void);
extern u8 cpu_mask;
diff --git a/arch/arm/mach-omap2/clock24xx.c b/arch/arm/mach-omap2/clock24xx.c
index ece32d8acba..aa567876651 100644
--- a/arch/arm/mach-omap2/clock24xx.c
+++ b/arch/arm/mach-omap2/clock24xx.c
@@ -154,7 +154,7 @@ static void omap2_clk_fixed_disable(struct clk *clk)
* Uses the current prcm set to tell if a rate is valid.
* You can go slower, but not faster within a given rate set.
*/
-static u32 omap2_dpll_round_rate(unsigned long target_rate)
+long omap2_dpllcore_round_rate(unsigned long target_rate)
{
u32 high, low, core_clk_src;
@@ -183,14 +183,14 @@ static u32 omap2_dpll_round_rate(unsigned long target_rate)
}
-static void omap2_dpll_recalc(struct clk *clk)
+static void omap2_dpllcore_recalc(struct clk *clk)
{
clk->rate = omap2_get_dpll_rate_24xx(clk);
propagate_rate(clk);
}
-static int omap2_reprogram_dpll(struct clk *clk, unsigned long rate)
+static int omap2_reprogram_dpllcore(struct clk *clk, unsigned long rate)
{
u32 cur_rate, low, mult, div, valid_rate, done_rate;
u32 bypass = 0;
@@ -209,7 +209,7 @@ static int omap2_reprogram_dpll(struct clk *clk, unsigned long rate)
} else if ((rate == (cur_rate * 2)) && (mult == 1)) {
omap2_reprogram_sdrc(CORE_CLK_SRC_DPLL_X2, 1);
} else if (rate != cur_rate) {
- valid_rate = omap2_dpll_round_rate(rate);
+ valid_rate = omap2_dpllcore_round_rate(rate);
if (valid_rate != rate)
goto dpll_exit;
@@ -256,7 +256,7 @@ static int omap2_reprogram_dpll(struct clk *clk, unsigned long rate)
omap2_init_memory_params(omap2_dll_force_needed());
omap2_reprogram_sdrc(done_rate, 0);
}
- omap2_dpll_recalc(&dpll_ck);
+ omap2_dpllcore_recalc(&dpll_ck);
ret = 0;
dpll_exit:
@@ -383,7 +383,7 @@ static int omap2_select_table_rate(struct clk *clk, unsigned long rate)
local_irq_restore(flags);
}
- omap2_dpll_recalc(&dpll_ck);
+ omap2_dpllcore_recalc(&dpll_ck);
return 0;
}
diff --git a/arch/arm/mach-omap2/clock24xx.h b/arch/arm/mach-omap2/clock24xx.h
index 88081ed13f9..be4e25554e0 100644
--- a/arch/arm/mach-omap2/clock24xx.h
+++ b/arch/arm/mach-omap2/clock24xx.h
@@ -30,12 +30,12 @@ static long omap2_round_to_table_rate(struct clk *clk, unsigned long rate);
static void omap2_sys_clk_recalc(struct clk *clk);
static void omap2_osc_clk_recalc(struct clk *clk);
static void omap2_sys_clk_recalc(struct clk *clk);
-static void omap2_dpll_recalc(struct clk *clk);
+static void omap2_dpllcore_recalc(struct clk *clk);
static int omap2_clk_fixed_enable(struct clk *clk);
static void omap2_clk_fixed_disable(struct clk *clk);
static int omap2_enable_osc_ck(struct clk *clk);
static void omap2_disable_osc_ck(struct clk *clk);
-static int omap2_reprogram_dpll(struct clk *clk, unsigned long rate);
+static int omap2_reprogram_dpllcore(struct clk *clk, unsigned long rate);
/* Key dividers which make up a PRCM set. Ratio's for a PRCM are mandated.
* xtal_speed, dpll_speed, mpu_speed, CM_CLKSEL_MPU,CM_CLKSEL_DSP
@@ -665,20 +665,27 @@ static struct clk alt_ck = { /* Typical 54M or 48M, may not exist */
* deal with this
*/
-static const struct dpll_data dpll_dd = {
+static struct dpll_data dpll_dd = {
.mult_div1_reg = OMAP_CM_REGADDR(PLL_MOD, CM_CLKSEL1),
.mult_mask = OMAP24XX_DPLL_MULT_MASK,
.div1_mask = OMAP24XX_DPLL_DIV_MASK,
+ .max_multiplier = 1024,
+ .max_divider = 16,
+ .rate_tolerance = DEFAULT_DPLL_RATE_TOLERANCE
};
+/*
+ * XXX Cannot add round_rate here yet, as this is still a composite clock,
+ * not just a DPLL
+ */
static struct clk dpll_ck = {
.name = "dpll_ck",
.parent = &sys_ck, /* Can be func_32k also */
.dpll_data = &dpll_dd,
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
RATE_PROPAGATES | ALWAYS_ENABLED,
- .recalc = &omap2_dpll_recalc,
- .set_rate = &omap2_reprogram_dpll,
+ .recalc = &omap2_dpllcore_recalc,
+ .set_rate = &omap2_reprogram_dpllcore,
};
static struct clk apll96_ck = {
@@ -1747,7 +1754,8 @@ static struct clk gpt12_fck = {
};
static struct clk mcbsp1_ick = {
- .name = "mcbsp1_ick",
+ .name = "mcbsp_ick",
+ .id = 1,
.parent = &l4_ck,
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@@ -1756,7 +1764,8 @@ static struct clk mcbsp1_ick = {
};
static struct clk mcbsp1_fck = {
- .name = "mcbsp1_fck",
+ .name = "mcbsp_fck",
+ .id = 1,
.parent = &func_96m_ck,
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1),
@@ -1765,7 +1774,8 @@ static struct clk mcbsp1_fck = {
};
static struct clk mcbsp2_ick = {
- .name = "mcbsp2_ick",
+ .name = "mcbsp_ick",
+ .id = 2,
.parent = &l4_ck,
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@@ -1774,7 +1784,8 @@ static struct clk mcbsp2_ick = {
};
static struct clk mcbsp2_fck = {
- .name = "mcbsp2_fck",
+ .name = "mcbsp_fck",
+ .id = 2,
.parent = &func_96m_ck,
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1),
@@ -1783,7 +1794,8 @@ static struct clk mcbsp2_fck = {
};
static struct clk mcbsp3_ick = {
- .name = "mcbsp3_ick",
+ .name = "mcbsp_ick",
+ .id = 3,
.parent = &l4_ck,
.flags = CLOCK_IN_OMAP243X,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN2),
@@ -1792,7 +1804,8 @@ static struct clk mcbsp3_ick = {
};
static struct clk mcbsp3_fck = {
- .name = "mcbsp3_fck",
+ .name = "mcbsp_fck",
+ .id = 3,
.parent = &func_96m_ck,
.flags = CLOCK_IN_OMAP243X,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, OMAP24XX_CM_FCLKEN2),
@@ -1801,7 +1814,8 @@ static struct clk mcbsp3_fck = {
};
static struct clk mcbsp4_ick = {
- .name = "mcbsp4_ick",
+ .name = "mcbsp_ick",
+ .id = 4,
.parent = &l4_ck,
.flags = CLOCK_IN_OMAP243X,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN2),
@@ -1810,7 +1824,8 @@ static struct clk mcbsp4_ick = {
};
static struct clk mcbsp4_fck = {
- .name = "mcbsp4_fck",
+ .name = "mcbsp_fck",
+ .id = 4,
.parent = &func_96m_ck,
.flags = CLOCK_IN_OMAP243X,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, OMAP24XX_CM_FCLKEN2),
@@ -1819,7 +1834,8 @@ static struct clk mcbsp4_fck = {
};
static struct clk mcbsp5_ick = {
- .name = "mcbsp5_ick",
+ .name = "mcbsp_ick",
+ .id = 5,
.parent = &l4_ck,
.flags = CLOCK_IN_OMAP243X,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN2),
@@ -1828,7 +1844,8 @@ static struct clk mcbsp5_ick = {
};
static struct clk mcbsp5_fck = {
- .name = "mcbsp5_fck",
+ .name = "mcbsp_fck",
+ .id = 5,
.parent = &func_96m_ck,
.flags = CLOCK_IN_OMAP243X,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, OMAP24XX_CM_FCLKEN2),
diff --git a/arch/arm/mach-omap2/clock34xx.c b/arch/arm/mach-omap2/clock34xx.c
index b42bdd6079a..4263099b1ad 100644
--- a/arch/arm/mach-omap2/clock34xx.c
+++ b/arch/arm/mach-omap2/clock34xx.c
@@ -1,10 +1,11 @@
/*
* OMAP3-specific clock framework functions
*
- * Copyright (C) 2007 Texas Instruments, Inc.
- * Copyright (C) 2007 Nokia Corporation
+ * Copyright (C) 2007-2008 Texas Instruments, Inc.
+ * Copyright (C) 2007-2008 Nokia Corporation
*
* Written by Paul Walmsley
+ * Testing and integration fixes by Jouni Högander
*
* Parts of this code are based on code written by
* Richard Woodruff, Tony Lindgren, Tuukka Tikkanen, Karthik Dasu
@@ -23,6 +24,7 @@
#include <linux/delay.h>
#include <linux/clk.h>
#include <linux/io.h>
+#include <linux/limits.h>
#include <asm/arch/clock.h>
#include <asm/arch/sram.h>
@@ -37,8 +39,11 @@
#include "cm.h"
#include "cm-regbits-34xx.h"
-/* CM_CLKEN_PLL*.EN* bit values */
-#define DPLL_LOCKED 0x7
+/* CM_AUTOIDLE_PLL*.AUTO_* bit values */
+#define DPLL_AUTOIDLE_DISABLE 0x0
+#define DPLL_AUTOIDLE_LOW_POWER_STOP 0x1
+
+#define MAX_DPLL_WAIT_TRIES 1000000
/**
* omap3_dpll_recalc - recalculate DPLL rate
@@ -53,6 +58,290 @@ static void omap3_dpll_recalc(struct clk *clk)
propagate_rate(clk);
}
+/* _omap3_dpll_write_clken - write clken_bits arg to a DPLL's enable bits */
+static void _omap3_dpll_write_clken(struct clk *clk, u8 clken_bits)
+{
+ const struct dpll_data *dd;
+
+ dd = clk->dpll_data;
+
+ cm_rmw_reg_bits(dd->enable_mask, clken_bits << __ffs(dd->enable_mask),
+ dd->control_reg);
+}
+
+/* _omap3_wait_dpll_status: wait for a DPLL to enter a specific state */
+static int _omap3_wait_dpll_status(struct clk *clk, u8 state)
+{
+ const struct dpll_data *dd;
+ int i = 0;
+ int ret = -EINVAL;
+ u32 idlest_mask;
+
+ dd = clk->dpll_data;
+
+ state <<= dd->idlest_bit;
+ idlest_mask = 1 << dd->idlest_bit;
+
+ while (((cm_read_reg(dd->idlest_reg) & idlest_mask) != state) &&
+ i < MAX_DPLL_WAIT_TRIES) {
+ i++;
+ udelay(1);
+ }
+
+ if (i == MAX_DPLL_WAIT_TRIES) {
+ printk(KERN_ERR "clock: %s failed transition to '%s'\n",
+ clk->name, (state) ? "locked" : "bypassed");
+ } else {
+ pr_debug("clock: %s transition to '%s' in %d loops\n",
+ clk->name, (state) ? "locked" : "bypassed", i);
+
+ ret = 0;
+ }
+
+ return ret;
+}
+
+/* Non-CORE DPLL (e.g., DPLLs that do not control SDRC) clock functions */
+
+/*
+ * _omap3_noncore_dpll_lock - instruct a DPLL to lock and wait for readiness
+ * @clk: pointer to a DPLL struct clk
+ *
+ * Instructs a non-CORE DPLL to lock. Waits for the DPLL to report
+ * readiness before returning. Will save and restore the DPLL's
+ * autoidle state across the enable, per the CDP code. If the DPLL
+ * locked successfully, return 0; if the DPLL did not lock in the time
+ * allotted, or DPLL3 was passed in, return -EINVAL.
+ */
+static int _omap3_noncore_dpll_lock(struct clk *clk)
+{
+ u8 ai;
+ int r;
+
+ if (clk == &dpll3_ck)
+ return -EINVAL;
+
+ pr_debug("clock: locking DPLL %s\n", clk->name);
+
+ ai = omap3_dpll_autoidle_read(clk);
+
+ _omap3_dpll_write_clken(clk, DPLL_LOCKED);
+
+ if (ai) {
+ /*
+ * If no downstream clocks are enabled, CM_IDLEST bit
+ * may never become active, so don't wait for DPLL to lock.
+ */
+ r = 0;
+ omap3_dpll_allow_idle(clk);
+ } else {
+ r = _omap3_wait_dpll_status(clk, 1);
+ omap3_dpll_deny_idle(clk);
+ };
+
+ return r;
+}
+
+/*
+ * omap3_noncore_dpll_bypass - instruct a DPLL to bypass and wait for readiness
+ * @clk: pointer to a DPLL struct clk
+ *
+ * Instructs a non-CORE DPLL to enter low-power bypass mode. In
+ * bypass mode, the DPLL's rate is set equal to its parent clock's
+ * rate. Waits for the DPLL to report readiness before returning.
+ * Will save and restore the DPLL's autoidle state across the enable,
+ * per the CDP code. If the DPLL entered bypass mode successfully,
+ * return 0; if the DPLL did not enter bypass in the time allotted, or
+ * DPLL3 was passed in, or the DPLL does not support low-power bypass,
+ * return -EINVAL.
+ */
+static int _omap3_noncore_dpll_bypass(struct clk *clk)
+{
+ int r;
+ u8 ai;
+
+ if (clk == &dpll3_ck)
+ return -EINVAL;
+
+ if (!(clk->dpll_data->modes & (1 << DPLL_LOW_POWER_BYPASS)))
+ return -EINVAL;
+
+ pr_debug("clock: configuring DPLL %s for low-power bypass\n",
+ clk->name);
+
+ ai = omap3_dpll_autoidle_read(clk);
+
+ _omap3_dpll_write_clken(clk, DPLL_LOW_POWER_BYPASS);
+
+ r = _omap3_wait_dpll_status(clk, 0);
+
+ if (ai)
+ omap3_dpll_allow_idle(clk);
+ else
+ omap3_dpll_deny_idle(clk);
+
+ return r;
+}
+
+/*
+ * _omap3_noncore_dpll_stop - instruct a DPLL to stop
+ * @clk: pointer to a DPLL struct clk
+ *
+ * Instructs a non-CORE DPLL to enter low-power stop. Will save and
+ * restore the DPLL's autoidle state across the stop, per the CDP
+ * code. If DPLL3 was passed in, or the DPLL does not support
+ * low-power stop, return -EINVAL; otherwise, return 0.
+ */
+static int _omap3_noncore_dpll_stop(struct clk *clk)
+{
+ u8 ai;
+
+ if (clk == &dpll3_ck)
+ return -EINVAL;
+
+ if (!(clk->dpll_data->modes & (1 << DPLL_LOW_POWER_STOP)))
+ return -EINVAL;
+
+ pr_debug("clock: stopping DPLL %s\n", clk->name);
+
+ ai = omap3_dpll_autoidle_read(clk);
+
+ _omap3_dpll_write_clken(clk, DPLL_LOW_POWER_STOP);
+
+ if (ai)
+ omap3_dpll_allow_idle(clk);
+ else
+ omap3_dpll_deny_idle(clk);
+
+ return 0;
+}
+
+/**
+ * omap3_noncore_dpll_enable - instruct a DPLL to enter bypass or lock mode
+ * @clk: pointer to a DPLL struct clk
+ *
+ * Instructs a non-CORE DPLL to enable, e.g., to enter bypass or lock.
+ * The choice of modes depends on the DPLL's programmed rate: if it is
+ * the same as the DPLL's parent clock, it will enter bypass;
+ * otherwise, it will enter lock. This code will wait for the DPLL to
+ * indicate readiness before returning, unless the DPLL takes too long
+ * to enter the target state. Intended to be used as the struct clk's
+ * enable function. If DPLL3 was passed in, or the DPLL does not
+ * support low-power stop, or if the DPLL took too long to enter
+ * bypass or lock, return -EINVAL; otherwise, return 0.
+ */
+static int omap3_noncore_dpll_enable(struct clk *clk)
+{
+ int r;
+
+ if (clk == &dpll3_ck)
+ return -EINVAL;
+
+ if (clk->parent->rate == clk_get_rate(clk))
+ r = _omap3_noncore_dpll_bypass(clk);
+ else
+ r = _omap3_noncore_dpll_lock(clk);
+
+ return r;
+}
+
+/**
+ * omap3_noncore_dpll_enable - instruct a DPLL to enter bypass or lock mode
+ * @clk: pointer to a DPLL struct clk
+ *
+ * Instructs a non-CORE DPLL to enable, e.g., to enter bypass or lock.
+ * The choice of modes depends on the DPLL's programmed rate: if it is
+ * the same as the DPLL's parent clock, it will enter bypass;
+ * otherwise, it will enter lock. This code will wait for the DPLL to
+ * indicate readiness before returning, unless the DPLL takes too long
+ * to enter the target state. Intended to be used as the struct clk's
+ * enable function. If DPLL3 was passed in, or the DPLL does not
+ * support low-power stop, or if the DPLL took too long to enter
+ * bypass or lock, return -EINVAL; otherwise, return 0.
+ */
+static void omap3_noncore_dpll_disable(struct clk *clk)
+{
+ if (clk == &dpll3_ck)
+ return;
+
+ _omap3_noncore_dpll_stop(clk);
+}
+
+/**
+ * omap3_dpll_autoidle_read - read a DPLL's autoidle bits
+ * @clk: struct clk * of the DPLL to read
+ *
+ * Return the DPLL's autoidle bits, shifted down to bit 0. Returns
+ * -EINVAL if passed a null pointer or if the struct clk does not
+ * appear to refer to a DPLL.
+ */
+static u32 omap3_dpll_autoidle_read(struct clk *clk)
+{
+ const struct dpll_data *dd;
+ u32 v;
+
+ if (!clk || !clk->dpll_data)
+ return -EINVAL;
+
+ dd = clk->dpll_data;
+
+ v = cm_read_reg(dd->autoidle_reg);
+ v &= dd->autoidle_mask;
+ v >>= __ffs(dd->autoidle_mask);
+
+ return v;
+}
+
+/**
+ * omap3_dpll_allow_idle - enable DPLL autoidle bits
+ * @clk: struct clk * of the DPLL to operate on
+ *
+ * Enable DPLL automatic idle control. This automatic idle mode
+ * switching takes effect only when the DPLL is locked, at least on
+ * OMAP3430. The DPLL will enter low-power stop when its downstream
+ * clocks are gated. No return value.
+ */
+static void omap3_dpll_allow_idle(struct clk *clk)
+{
+ const struct dpll_data *dd;
+
+ if (!clk || !clk->dpll_data)
+ return;
+
+ dd = clk->dpll_data;
+
+ /*
+ * REVISIT: CORE DPLL can optionally enter low-power bypass
+ * by writing 0x5 instead of 0x1. Add some mechanism to
+ * optionally enter this mode.
+ */
+ cm_rmw_reg_bits(dd->autoidle_mask,
+ DPLL_AUTOIDLE_LOW_POWER_STOP << __ffs(dd->autoidle_mask),
+ dd->autoidle_reg);
+}
+
+/**
+ * omap3_dpll_deny_idle - prevent DPLL from automatically idling
+ * @clk: struct clk * of the DPLL to operate on
+ *
+ * Disable DPLL automatic idle control. No return value.
+ */
+static void omap3_dpll_deny_idle(struct clk *clk)
+{
+ const struct dpll_data *dd;
+
+ if (!clk || !clk->dpll_data)
+ return;
+
+ dd = clk->dpll_data;
+
+ cm_rmw_reg_bits(dd->autoidle_mask,
+ DPLL_AUTOIDLE_DISABLE << __ffs(dd->autoidle_mask),
+ dd->autoidle_reg);
+}
+
+/* Clock control for DPLL outputs */
+
/**
* omap3_clkoutx2_recalc - recalculate DPLL X2 output virtual clock rate
* @clk: DPLL output struct clk
@@ -89,6 +378,8 @@ static void omap3_clkoutx2_recalc(struct clk *clk)
propagate_rate(clk);
}
+/* Common clock code */
+
/*
* As it is structured now, this will prevent an OMAP2/3 multiboot
* kernel from compiling. This will need further attention.
diff --git a/arch/arm/mach-omap2/clock34xx.h b/arch/arm/mach-omap2/clock34xx.h
index c9c5972a2e2..05757eb032b 100644
--- a/arch/arm/mach-omap2/clock34xx.h
+++ b/arch/arm/mach-omap2/clock34xx.h
@@ -1,14 +1,19 @@
/*
* OMAP3 clock framework
*
- * Virtual clocks are introduced as a convenient tools.
- * They are sources for other clocks and not supposed
- * to be requested from drivers directly.
- *
* Copyright (C) 2007-2008 Texas Instruments, Inc.
* Copyright (C) 2007-2008 Nokia Corporation
*
* Written by Paul Walmsley
+ * With many device clock fixes by Kevin Hilman and Jouni Högander
+ * DPLL bypass clock support added by Roman Tereshonkov
+ *
+ */
+
+/*
+ * Virtual clocks are introduced as convenient tools.
+ * They are sources for other clocks and not supposed
+ * to be requested from drivers directly.
*/
#ifndef __ARCH_ARM_MACH_OMAP2_CLOCK34XX_H
@@ -24,6 +29,15 @@
static void omap3_dpll_recalc(struct clk *clk);
static void omap3_clkoutx2_recalc(struct clk *clk);
+static void omap3_dpll_allow_idle(struct clk *clk);
+static void omap3_dpll_deny_idle(struct clk *clk);
+static u32 omap3_dpll_autoidle_read(struct clk *clk);
+static int omap3_noncore_dpll_enable(struct clk *clk);
+static void omap3_noncore_dpll_disable(struct clk *clk);
+
+/* Maximum DPLL multiplier, divider values for OMAP3 */
+#define OMAP3_MAX_DPLL_MULT 2048
+#define OMAP3_MAX_DPLL_DIV 128
/*
* DPLL1 supplies clock to the MPU.
@@ -33,6 +47,11 @@ static void omap3_clkoutx2_recalc(struct clk *clk);
* DPLL5 supplies other peripheral clocks (USBHOST, USIM).
*/
+/* CM_CLKEN_PLL*.EN* bit values - not all are available for every DPLL */
+#define DPLL_LOW_POWER_STOP 0x1
+#define DPLL_LOW_POWER_BYPASS 0x5
+#define DPLL_LOCKED 0x7
+
/* PRM CLOCKS */
/* According to timer32k.c, this is a 32768Hz clock, not a 32000Hz clock. */
@@ -240,15 +259,23 @@ static const struct clksel_rate div16_dpll_rates[] = {
/* DPLL1 */
/* MPU clock source */
/* Type: DPLL */
-static const struct dpll_data dpll1_dd = {
+static struct dpll_data dpll1_dd = {
.mult_div1_reg = OMAP_CM_REGADDR(MPU_MOD, OMAP3430_CM_CLKSEL1_PLL),
.mult_mask = OMAP3430_MPU_DPLL_MULT_MASK,
.div1_mask = OMAP3430_MPU_DPLL_DIV_MASK,
.control_reg = OMAP_CM_REGADDR(MPU_MOD, OMAP3430_CM_CLKEN_PLL),
.enable_mask = OMAP3430_EN_MPU_DPLL_MASK,
+ .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED),
.auto_recal_bit = OMAP3430_EN_MPU_DPLL_DRIFTGUARD_SHIFT,
.recal_en_bit = OMAP3430_MPU_DPLL_RECAL_EN_SHIFT,
.recal_st_bit = OMAP3430_MPU_DPLL_ST_SHIFT,
+ .autoidle_reg = OMAP_CM_REGADDR(MPU_MOD, OMAP3430_CM_AUTOIDLE_PLL),
+ .autoidle_mask = OMAP3430_AUTO_MPU_DPLL_MASK,
+ .idlest_reg = OMAP_CM_REGADDR(MPU_MOD, OMAP3430_CM_IDLEST_PLL),
+ .idlest_bit = OMAP3430_ST_MPU_CLK_SHIFT,
+ .max_multiplier = OMAP3_MAX_DPLL_MULT,
+ .max_divider = OMAP3_MAX_DPLL_DIV,
+ .rate_tolerance = DEFAULT_DPLL_RATE_TOLERANCE
};
static struct clk dpll1_ck = {
@@ -256,6 +283,7 @@ static struct clk dpll1_ck = {
.parent = &sys_ck,
.dpll_data = &dpll1_dd,
.flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | ALWAYS_ENABLED,
+ .round_rate = &omap2_dpll_round_rate,
.recalc = &omap3_dpll_recalc,
};
@@ -297,22 +325,34 @@ static struct clk dpll1_x2m2_ck = {
/* IVA2 clock source */
/* Type: DPLL */
-static const struct dpll_data dpll2_dd = {
+static struct dpll_data dpll2_dd = {
.mult_div1_reg = OMAP_CM_REGADDR(OMAP3430_IVA2_MOD, OMAP3430_CM_CLKSEL1_PLL),
.mult_mask = OMAP3430_IVA2_DPLL_MULT_MASK,
.div1_mask = OMAP3430_IVA2_DPLL_DIV_MASK,
.control_reg = OMAP_CM_REGADDR(OMAP3430_IVA2_MOD, OMAP3430_CM_CLKEN_PLL),
.enable_mask = OMAP3430_EN_IVA2_DPLL_MASK,
+ .modes = (1 << DPLL_LOW_POWER_STOP) | (1 << DPLL_LOCKED) |
+ (1 << DPLL_LOW_POWER_BYPASS),
.auto_recal_bit = OMAP3430_EN_IVA2_DPLL_DRIFTGUARD_SHIFT,
.recal_en_bit = OMAP3430_PRM_IRQENABLE_MPU_IVA2_DPLL_RECAL_EN_SHIFT,
.recal_st_bit = OMAP3430_PRM_IRQSTATUS_MPU_IVA2_DPLL_ST_SHIFT,
+ .autoidle_reg = OMAP_CM_REGADDR(OMAP3430_IVA2_MOD, OMAP3430_CM_AUTOIDLE_PLL),
+ .autoidle_mask = OMAP3430_AUTO_IVA2_DPLL_MASK,
+ .idlest_reg = OMAP_CM_REGADDR(OMAP3430_IVA2_MOD, OMAP3430_CM_IDLEST_PLL),
+ .idlest_bit = OMAP3430_ST_IVA2_CLK_SHIFT,
+ .max_multiplier = OMAP3_MAX_DPLL_MULT,
+ .max_divider = OMAP3_MAX_DPLL_DIV,
+ .rate_tolerance = DEFAULT_DPLL_RATE_TOLERANCE
};
static struct clk dpll2_ck = {
.name = "dpll2_ck",
.parent = &sys_ck,
.dpll_data = &dpll2_dd,
- .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | ALWAYS_ENABLED,
+ .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES,
+ .enable = &omap3_noncore_dpll_enable,
+ .disable = &omap3_noncore_dpll_disable,
+ .round_rate = &omap2_dpll_round_rate,
.recalc = &omap3_dpll_recalc,
};
@@ -338,10 +378,12 @@ static struct clk dpll2_m2_ck = {
.recalc = &omap2_clksel_recalc,
};
-/* DPLL3 */
-/* Source clock for all interfaces and for some device fclks */
-/* Type: DPLL */
-static const struct dpll_data dpll3_dd = {
+/*
+ * DPLL3
+ * Source clock for all interfaces and for some device fclks
+ * REVISIT: Also supports fast relock bypass - not included below
+ */
+static struct dpll_data dpll3_dd = {
.mult_div1_reg = OMAP_CM_REGADDR(PLL_MOD, CM_CLKSEL1),
.mult_mask = OMAP3430_CORE_DPLL_MULT_MASK,
.div1_mask = OMAP3430_CORE_DPLL_DIV_MASK,
@@ -350,6 +392,11 @@ static const struct dpll_data dpll3_dd = {
.auto_recal_bit = OMAP3430_EN_CORE_DPLL_DRIFTGUARD_SHIFT,
.recal_en_bit = OMAP3430_CORE_DPLL_RECAL_EN_SHIFT,
.recal_st_bit = OMAP3430_CORE_DPLL_ST_SHIFT,
+ .autoidle_reg = OMAP_CM_REGADDR(PLL_MOD, CM_AUTOIDLE),
+ .autoidle_mask = OMAP3430_AUTO_CORE_DPLL_MASK,
+ .max_multiplier = OMAP3_MAX_DPLL_MULT,
+ .max_divider = OMAP3_MAX_DPLL_DIV,
+ .rate_tolerance = DEFAULT_DPLL_RATE_TOLERANCE
};
static struct clk dpll3_ck = {
@@ -357,6 +404,7 @@ static struct clk dpll3_ck = {
.parent = &sys_ck,
.dpll_data = &dpll3_dd,
.flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | ALWAYS_ENABLED,
+ .round_rate = &omap2_dpll_round_rate,
.recalc = &omap3_dpll_recalc,
};
@@ -439,7 +487,7 @@ static struct clk core_ck = {
.name = "core_ck",
.init = &omap2_init_clksel_parent,
.clksel_reg = OMAP_CM_REGADDR(PLL_MOD, CM_IDLEST),
- .clksel_mask = OMAP3430_ST_CORE_CLK,
+ .clksel_mask = OMAP3430_ST_CORE_CLK_MASK,
.clksel = core_ck_clksel,
.flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES |
PARENT_CONTROLS_CLOCK,
@@ -456,7 +504,7 @@ static struct clk dpll3_m2x2_ck = {
.name = "dpll3_m2x2_ck",
.init = &omap2_init_clksel_parent,
.clksel_reg = OMAP_CM_REGADDR(PLL_MOD, CM_IDLEST),
- .clksel_mask = OMAP3430_ST_CORE_CLK,
+ .clksel_mask = OMAP3430_ST_CORE_CLK_MASK,
.clksel = dpll3_m2x2_ck_clksel,
.flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES |
PARENT_CONTROLS_CLOCK,
@@ -503,7 +551,7 @@ static struct clk emu_core_alwon_ck = {
.parent = &dpll3_m3x2_ck,
.init = &omap2_init_clksel_parent,
.clksel_reg = OMAP_CM_REGADDR(PLL_MOD, CM_IDLEST),
- .clksel_mask = OMAP3430_ST_CORE_CLK,
+ .clksel_mask = OMAP3430_ST_CORE_CLK_MASK,
.clksel = emu_core_alwon_ck_clksel,
.flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES |
PARENT_CONTROLS_CLOCK,
@@ -513,22 +561,33 @@ static struct clk emu_core_alwon_ck = {
/* DPLL4 */
/* Supplies 96MHz, 54Mhz TV DAC, DSS fclk, CAM sensor clock, emul trace clk */
/* Type: DPLL */
-static const struct dpll_data dpll4_dd = {
+static struct dpll_data dpll4_dd = {
.mult_div1_reg = OMAP_CM_REGADDR(PLL_MOD, CM_CLKSEL2),
.mult_mask = OMAP3430_PERIPH_DPLL_MULT_MASK,
.div1_mask = OMAP3430_PERIPH_DPLL_DIV_MASK,
.control_reg = OMAP_CM_REGADDR(PLL_MOD, CM_CLKEN),
.enable_mask = OMAP3430_EN_PERIPH_DPLL_MASK,
+ .modes = (1 << DPLL_LOW_POWER_STOP) | (1 << DPLL_LOCKED),
.auto_recal_bit = OMAP3430_EN_PERIPH_DPLL_DRIFTGUARD_SHIFT,
.recal_en_bit = OMAP3430_PERIPH_DPLL_RECAL_EN_SHIFT,
.recal_st_bit = OMAP3430_PERIPH_DPLL_ST_SHIFT,
+ .autoidle_reg = OMAP_CM_REGADDR(PLL_MOD, CM_AUTOIDLE),
+ .autoidle_mask = OMAP3430_AUTO_PERIPH_DPLL_MASK,
+ .idlest_reg = OMAP_CM_REGADDR(PLL_MOD, CM_IDLEST),
+ .idlest_bit = OMAP3430_ST_PERIPH_CLK_SHIFT,
+ .max_multiplier = OMAP3_MAX_DPLL_MULT,
+ .max_divider = OMAP3_MAX_DPLL_DIV,
+ .rate_tolerance = DEFAULT_DPLL_RATE_TOLERANCE
};
static struct clk dpll4_ck = {
.name = "dpll4_ck",
.parent = &sys_ck,
.dpll_data = &dpll4_dd,
- .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | ALWAYS_ENABLED,
+ .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES,
+ .enable = &omap3_noncore_dpll_enable,
+ .disable = &omap3_noncore_dpll_disable,
+ .round_rate = &omap2_dpll_round_rate,
.recalc = &omap3_dpll_recalc,
};
@@ -584,7 +643,7 @@ static struct clk omap_96m_alwon_fck = {
.parent = &dpll4_m2x2_ck,
.init = &omap2_init_clksel_parent,
.clksel_reg = OMAP_CM_REGADDR(PLL_MOD, CM_IDLEST),
- .clksel_mask = OMAP3430_ST_PERIPH_CLK,
+ .clksel_mask = OMAP3430_ST_PERIPH_CLK_MASK,
.clksel = omap_96m_alwon_fck_clksel,
.flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES |
PARENT_CONTROLS_CLOCK,
@@ -610,7 +669,7 @@ static struct clk cm_96m_fck = {
.parent = &dpll4_m2x2_ck,
.init = &omap2_init_clksel_parent,
.clksel_reg = OMAP_CM_REGADDR(PLL_MOD, CM_IDLEST),
- .clksel_mask = OMAP3430_ST_PERIPH_CLK,
+ .clksel_mask = OMAP3430_ST_PERIPH_CLK_MASK,
.clksel = cm_96m_fck_clksel,
.flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES |
PARENT_CONTROLS_CLOCK,
@@ -652,7 +711,7 @@ static struct clk virt_omap_54m_fck = {
.parent = &dpll4_m3x2_ck,
.init = &omap2_init_clksel_parent,
.clksel_reg = OMAP_CM_REGADDR(PLL_MOD, CM_IDLEST),
- .clksel_mask = OMAP3430_ST_PERIPH_CLK,
+ .clksel_mask = OMAP3430_ST_PERIPH_CLK_MASK,
.clksel = virt_omap_54m_fck_clksel,
.flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES |
PARENT_CONTROLS_CLOCK,
@@ -804,23 +863,33 @@ static struct clk emu_per_alwon_ck = {
/* Supplies 120MHz clock, USIM source clock */
/* Type: DPLL */
/* 3430ES2 only */
-static const struct dpll_data dpll5_dd = {
+static struct dpll_data dpll5_dd = {
.mult_div1_reg = OMAP_CM_REGADDR(PLL_MOD, OMAP3430ES2_CM_CLKSEL4),
.mult_mask = OMAP3430ES2_PERIPH2_DPLL_MULT_MASK,
.div1_mask = OMAP3430ES2_PERIPH2_DPLL_DIV_MASK,
.control_reg = OMAP_CM_REGADDR(PLL_MOD, OMAP3430ES2_CM_CLKEN2),
.enable_mask = OMAP3430ES2_EN_PERIPH2_DPLL_MASK,
+ .modes = (1 << DPLL_LOW_POWER_STOP) | (1 << DPLL_LOCKED),
.auto_recal_bit = OMAP3430ES2_EN_PERIPH2_DPLL_DRIFTGUARD_SHIFT,
.recal_en_bit = OMAP3430ES2_SND_PERIPH_DPLL_RECAL_EN_SHIFT,
.recal_st_bit = OMAP3430ES2_SND_PERIPH_DPLL_ST_SHIFT,
+ .autoidle_reg = OMAP_CM_REGADDR(PLL_MOD, OMAP3430ES2_CM_AUTOIDLE2_PLL),
+ .autoidle_mask = OMAP3430ES2_AUTO_PERIPH2_DPLL_MASK,
+ .idlest_reg = OMAP_CM_REGADDR(PLL_MOD, CM_IDLEST2),
+ .idlest_bit = OMAP3430ES2_ST_PERIPH2_CLK_SHIFT,
+ .max_multiplier = OMAP3_MAX_DPLL_MULT,
+ .max_divider = OMAP3_MAX_DPLL_DIV,
+ .rate_tolerance = DEFAULT_DPLL_RATE_TOLERANCE
};
static struct clk dpll5_ck = {
.name = "dpll5_ck",
.parent = &sys_ck,
.dpll_data = &dpll5_dd,
- .flags = CLOCK_IN_OMAP3430ES2 | RATE_PROPAGATES |
- ALWAYS_ENABLED,
+ .flags = CLOCK_IN_OMAP3430ES2 | RATE_PROPAGATES,
+ .enable = &omap3_noncore_dpll_enable,
+ .disable = &omap3_noncore_dpll_disable,
+ .round_rate = &omap2_dpll_round_rate,
.recalc = &omap3_dpll_recalc,
};
@@ -1365,7 +1434,8 @@ static const struct clksel mcbsp_15_clksel[] = {
};
static struct clk mcbsp5_fck = {
- .name = "mcbsp5_fck",
+ .name = "mcbsp_fck",
+ .id = 5,
.init = &omap2_init_clksel_parent,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1),
.enable_bit = OMAP3430_EN_MCBSP5_SHIFT,
@@ -1377,7 +1447,8 @@ static struct clk mcbsp5_fck = {
};
static struct clk mcbsp1_fck = {
- .name = "mcbsp1_fck",
+ .name = "mcbsp_fck",
+ .id = 1,
.init = &omap2_init_clksel_parent,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1),
.enable_bit = OMAP3430_EN_MCBSP1_SHIFT,
@@ -1789,7 +1860,8 @@ static struct clk gpt10_ick = {
};
static struct clk mcbsp5_ick = {
- .name = "mcbsp5_ick",
+ .name = "mcbsp_ick",
+ .id = 5,
.parent = &core_l4_ick,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
.enable_bit = OMAP3430_EN_MCBSP5_SHIFT,
@@ -1798,7 +1870,8 @@ static struct clk mcbsp5_ick = {
};
static struct clk mcbsp1_ick = {
- .name = "mcbsp1_ick",
+ .name = "mcbsp_ick",
+ .id = 1,
.parent = &core_l4_ick,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
.enable_bit = OMAP3430_EN_MCBSP1_SHIFT,
@@ -1935,7 +2008,7 @@ static struct clk dss1_alwon_fck = {
.enable_reg = OMAP_CM_REGADDR(OMAP3430_DSS_MOD, CM_FCLKEN),
.enable_bit = OMAP3430_EN_DSS1_SHIFT,
.clksel_reg = OMAP_CM_REGADDR(PLL_MOD, CM_IDLEST),
- .clksel_mask = OMAP3430_ST_PERIPH_CLK,
+ .clksel_mask = OMAP3430_ST_PERIPH_CLK_MASK,
.clksel = dss1_alwon_fck_clksel,
.flags = CLOCK_IN_OMAP343X,
.recalc = &omap2_clksel_recalc,
@@ -1991,7 +2064,7 @@ static struct clk cam_mclk = {
.parent = &dpll4_m5x2_ck,
.init = &omap2_init_clksel_parent,
.clksel_reg = OMAP_CM_REGADDR(PLL_MOD, CM_IDLEST),
- .clksel_mask = OMAP3430_ST_PERIPH_CLK,
+ .clksel_mask = OMAP3430_ST_PERIPH_CLK_MASK,
.clksel = cam_mclk_clksel,
.enable_reg = OMAP_CM_REGADDR(OMAP3430_CAM_MOD, CM_FCLKEN),
.enable_bit = OMAP3430_EN_CAM_SHIFT,
@@ -2541,7 +2614,8 @@ static struct clk gpt2_ick = {
};
static struct clk mcbsp2_ick = {
- .name = "mcbsp2_ick",
+ .name = "mcbsp_ick",
+ .id = 2,
.parent = &per_l4_ick,
.enable_reg = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_ICLKEN),
.enable_bit = OMAP3430_EN_MCBSP2_SHIFT,
@@ -2550,7 +2624,8 @@ static struct clk mcbsp2_ick = {
};
static struct clk mcbsp3_ick = {
- .name = "mcbsp3_ick",
+ .name = "mcbsp_ick",
+ .id = 3,
.parent = &per_l4_ick,
.enable_reg = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_ICLKEN),
.enable_bit = OMAP3430_EN_MCBSP3_SHIFT,
@@ -2559,7 +2634,8 @@ static struct clk mcbsp3_ick = {
};
static struct clk mcbsp4_ick = {
- .name = "mcbsp4_ick",
+ .name = "mcbsp_ick",
+ .id = 4,
.parent = &per_l4_ick,
.enable_reg = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_ICLKEN),
.enable_bit = OMAP3430_EN_MCBSP4_SHIFT,
@@ -2574,7 +2650,8 @@ static const struct clksel mcbsp_234_clksel[] = {
};
static struct clk mcbsp2_fck = {
- .name = "mcbsp2_fck",
+ .name = "mcbsp_fck",
+ .id = 2,
.init = &omap2_init_clksel_parent,
.enable_reg = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_FCLKEN),
.enable_bit = OMAP3430_EN_MCBSP2_SHIFT,
@@ -2586,7 +2663,8 @@ static struct clk mcbsp2_fck = {
};
static struct clk mcbsp3_fck = {
- .name = "mcbsp3_fck",
+ .name = "mcbsp_fck",
+ .id = 3,
.init = &omap2_init_clksel_parent,
.enable_reg = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_FCLKEN),
.enable_bit = OMAP3430_EN_MCBSP3_SHIFT,
@@ -2598,7 +2676,8 @@ static struct clk mcbsp3_fck = {
};
static struct clk mcbsp4_fck = {
- .name = "mcbsp4_fck",
+ .name = "mcbsp_fck",
+ .id = 4,
.init = &omap2_init_clksel_parent,
.enable_reg = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_FCLKEN),
.enable_bit = OMAP3430_EN_MCBSP4_SHIFT,
diff --git a/arch/arm/mach-omap2/cm-regbits-34xx.h b/arch/arm/mach-omap2/cm-regbits-34xx.h
index 3c38395f644..ee4c0ca1a70 100644
--- a/arch/arm/mach-omap2/cm-regbits-34xx.h
+++ b/arch/arm/mach-omap2/cm-regbits-34xx.h
@@ -72,7 +72,8 @@
#define OMAP3430_ST_IVA2 (1 << 0)
/* CM_IDLEST_PLL_IVA2 */
-#define OMAP3430_ST_IVA2_CLK (1 << 0)
+#define OMAP3430_ST_IVA2_CLK_SHIFT 0
+#define OMAP3430_ST_IVA2_CLK_MASK (1 << 0)
/* CM_AUTOIDLE_PLL_IVA2 */
#define OMAP3430_AUTO_IVA2_DPLL_SHIFT 0
@@ -115,10 +116,7 @@
#define OMAP3430_ST_MPU (1 << 0)
/* CM_IDLEST_PLL_MPU */
-#define OMAP3430_ST_MPU_CLK (1 << 0)
-#define OMAP3430_ST_IVA2_CLK_MASK (1 << 0)
-
-/* CM_IDLEST_PLL_MPU */
+#define OMAP3430_ST_MPU_CLK_SHIFT 0
#define OMAP3430_ST_MPU_CLK_MASK (1 << 0)
/* CM_AUTOIDLE_PLL_MPU */
@@ -408,8 +406,10 @@
#define OMAP3430_ST_12M_CLK (1 << 4)
#define OMAP3430_ST_48M_CLK (1 << 3)
#define OMAP3430_ST_96M_CLK (1 << 2)
-#define OMAP3430_ST_PERIPH_CLK (1 << 1)
-#define OMAP3430_ST_CORE_CLK (1 << 0)
+#define OMAP3430_ST_PERIPH_CLK_SHIFT 1
+#define OMAP3430_ST_PERIPH_CLK_MASK (1 << 1)
+#define OMAP3430_ST_CORE_CLK_SHIFT 0
+#define OMAP3430_ST_CORE_CLK_MASK (1 << 0)
/* CM_IDLEST2_CKGEN */
#define OMAP3430ES2_ST_120M_CLK_SHIFT 1
@@ -423,6 +423,10 @@
#define OMAP3430_AUTO_CORE_DPLL_SHIFT 0
#define OMAP3430_AUTO_CORE_DPLL_MASK (0x7 << 0)
+/* CM_AUTOIDLE2_PLL */
+#define OMAP3430ES2_AUTO_PERIPH2_DPLL_SHIFT 0
+#define OMAP3430ES2_AUTO_PERIPH2_DPLL_MASK (0x7 << 0)
+
/* CM_CLKSEL1_PLL */
/* Note that OMAP3430_CORE_DPLL_CLKOUT_DIV_MASK was (0x3 << 27) on 3430ES1 */
#define OMAP3430_CORE_DPLL_CLKOUT_DIV_SHIFT 27
diff --git a/arch/arm/mach-omap2/cm.h b/arch/arm/mach-omap2/cm.h
index 8489f3029fe..87a44c715aa 100644
--- a/arch/arm/mach-omap2/cm.h
+++ b/arch/arm/mach-omap2/cm.h
@@ -81,6 +81,7 @@
#define OMAP3430ES2_CM_FCLKEN3 0x0008
#define OMAP3430_CM_IDLEST_PLL CM_IDLEST2
#define OMAP3430_CM_AUTOIDLE_PLL CM_AUTOIDLE2
+#define OMAP3430ES2_CM_AUTOIDLE2_PLL CM_AUTOIDLE2
#define OMAP3430_CM_CLKSEL1 CM_CLKSEL
#define OMAP3430_CM_CLKSEL1_PLL CM_CLKSEL
#define OMAP3430_CM_CLKSEL2_PLL CM_CLKSEL2
@@ -96,15 +97,21 @@
/* Clock management domain register get/set */
#ifndef __ASSEMBLER__
-static inline void cm_write_mod_reg(u32 val, s16 module, s16 idx)
+
+extern u32 cm_read_mod_reg(s16 module, u16 idx);
+extern void cm_write_mod_reg(u32 val, s16 module, u16 idx);
+extern u32 cm_rmw_mod_reg_bits(u32 mask, u32 bits, s16 module, s16 idx);
+
+static inline u32 cm_set_mod_reg_bits(u32 bits, s16 module, s16 idx)
{
- __raw_writel(val, OMAP_CM_REGADDR(module, idx));
+ return cm_rmw_mod_reg_bits(bits, bits, module, idx);
}
-static inline u32 cm_read_mod_reg(s16 module, s16 idx)
+static inline u32 cm_clear_mod_reg_bits(u32 bits, s16 module, s16 idx)
{
- return __raw_readl(OMAP_CM_REGADDR(module, idx));
+ return cm_rmw_mod_reg_bits(bits, 0x0, module, idx);
}
+
#endif
/* CM register bits shared between 24XX and 3430 */
diff --git a/arch/arm/mach-omap2/control.c b/arch/arm/mach-omap2/control.c
index a5d86a49c21..51f70300996 100644
--- a/arch/arm/mach-omap2/control.c
+++ b/arch/arm/mach-omap2/control.c
@@ -13,22 +13,21 @@
#undef DEBUG
#include <linux/kernel.h>
+#include <linux/io.h>
-#include <asm/io.h>
-
+#include <asm/arch/common.h>
#include <asm/arch/control.h>
-static u32 omap2_ctrl_base;
+static void __iomem *omap2_ctrl_base;
-#define OMAP_CTRL_REGADDR(reg) (void __iomem *)IO_ADDRESS(omap2_ctrl_base \
- + (reg))
+#define OMAP_CTRL_REGADDR(reg) (omap2_ctrl_base + (reg))
-void omap_ctrl_base_set(u32 base)
+void __init omap2_set_globals_control(struct omap_globals *omap2_globals)
{
- omap2_ctrl_base = base;
+ omap2_ctrl_base = omap2_globals->ctrl;
}
-u32 omap_ctrl_base_get(void)
+void __iomem *omap_ctrl_base_get(void)
{
return omap2_ctrl_base;
}
@@ -50,25 +49,16 @@ u32 omap_ctrl_readl(u16 offset)
void omap_ctrl_writeb(u8 val, u16 offset)
{
- pr_debug("omap_ctrl_writeb: writing 0x%0x to 0x%0x\n", val,
- (u32)OMAP_CTRL_REGADDR(offset));
-
__raw_writeb(val, OMAP_CTRL_REGADDR(offset));
}
void omap_ctrl_writew(u16 val, u16 offset)
{
- pr_debug("omap_ctrl_writew: writing 0x%0x to 0x%0x\n", val,
- (u32)OMAP_CTRL_REGADDR(offset));
-
__raw_writew(val, OMAP_CTRL_REGADDR(offset));
}
void omap_ctrl_writel(u32 val, u16 offset)
{
- pr_debug("omap_ctrl_writel: writing 0x%0x to 0x%0x\n", val,
- (u32)OMAP_CTRL_REGADDR(offset));
-
__raw_writel(val, OMAP_CTRL_REGADDR(offset));
}
diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c
index 4dfd878d796..dff4b16cead 100644
--- a/arch/arm/mach-omap2/id.c
+++ b/arch/arm/mach-omap2/id.c
@@ -17,16 +17,23 @@
#include <asm/io.h>
-#if defined(CONFIG_ARCH_OMAP2420)
-#define OMAP24XX_TAP_BASE io_p2v(0x48014000)
-#endif
+#include <asm/arch/control.h>
+#include <asm/arch/cpu.h>
-#if defined(CONFIG_ARCH_OMAP2430)
-#define OMAP24XX_TAP_BASE io_p2v(0x4900A000)
+#if defined(CONFIG_ARCH_OMAP2420)
+#define TAP_BASE io_p2v(0x48014000)
+#elif defined(CONFIG_ARCH_OMAP2430)
+#define TAP_BASE io_p2v(0x4900A000)
+#elif defined(CONFIG_ARCH_OMAP34XX)
+#define TAP_BASE io_p2v(0x4830A000)
#endif
#define OMAP_TAP_IDCODE 0x0204
+#if defined(CONFIG_ARCH_OMAP34XX)
+#define OMAP_TAP_PROD_ID 0x0210
+#else
#define OMAP_TAP_PROD_ID 0x0208
+#endif
#define OMAP_TAP_DIE_ID_0 0x0218
#define OMAP_TAP_DIE_ID_1 0x021C
@@ -56,9 +63,134 @@ static struct omap_id omap_ids[] __initdata = {
{ .hawkeye = 0xb68a, .dev = 0x0, .type = 0x24300000 },
};
+static struct omap_chip_id omap_chip;
+
+/**
+ * omap_chip_is - test whether currently running OMAP matches a chip type
+ * @oc: omap_chip_t to test against
+ *
+ * Test whether the currently-running OMAP chip matches the supplied
+ * chip type 'oc'. Returns 1 upon a match; 0 upon failure.
+ */
+int omap_chip_is(struct omap_chip_id oci)
+{
+ return (oci.oc & omap_chip.oc) ? 1 : 0;
+}
+EXPORT_SYMBOL(omap_chip_is);
+
static u32 __init read_tap_reg(int reg)
{
- return __raw_readl(OMAP24XX_TAP_BASE + reg);
+ unsigned int regval = 0;
+ u32 cpuid;
+
+ /* Reading the IDCODE register on 3430 ES1 results in a
+ * data abort as the register is not exposed on the OCP
+ * Hence reading the Cortex Rev
+ */
+ cpuid = read_cpuid(CPUID_ID);
+
+ /* If the processor type is Cortex-A8 and the revision is 0x0
+ * it means its Cortex r0p0 which is 3430 ES1
+ */
+ if ((((cpuid >> 4) & 0xFFF) == 0xC08) && ((cpuid & 0xF) == 0x0)) {
+ switch (reg) {
+ case OMAP_TAP_IDCODE : regval = 0x0B7AE02F; break;
+ /* Making DevType as 0xF in ES1 to differ from ES2 */
+ case OMAP_TAP_PROD_ID : regval = 0x000F00F0; break;
+ case OMAP_TAP_DIE_ID_0: regval = 0x01000000; break;
+ case OMAP_TAP_DIE_ID_1: regval = 0x1012d687; break;
+ case OMAP_TAP_DIE_ID_2: regval = 0x00000000; break;
+ case OMAP_TAP_DIE_ID_3: regval = 0x2d2c0000; break;
+ }
+ } else
+ regval = __raw_readl(TAP_BASE + reg);
+
+ return regval;
+
+}
+
+/*
+ * _set_system_rev - set the system_rev global based on current OMAP chip type
+ *
+ * Set the system_rev global. This is primarily used by the cpu_is_omapxxxx()
+ * macros.
+ */
+static void __init _set_system_rev(u32 type, u8 rev)
+{
+ u32 i, ctrl_status;
+
+ /*
+ * system_rev encoding is as follows
+ * system_rev & 0xff000000 -> Omap Class (24xx/34xx)
+ * system_rev & 0xfff00000 -> Omap Sub Class (242x/343x)
+ * system_rev & 0xffff0000 -> Omap type (2420/2422/2423/2430/3430)
+ * system_rev & 0x0000f000 -> Silicon revision (ES1, ES2 )
+ * system_rev & 0x00000700 -> Device Type ( EMU/HS/GP/BAD )
+ * system_rev & 0x000000c0 -> IDCODE revision[6:7]
+ * system_rev & 0x0000003f -> sys_boot[0:5]
+ */
+ /* Embedding the ES revision info in type field */
+ system_rev = type;
+ /* Also add IDCODE revision info only two lower bits */
+ system_rev |= ((rev & 0x3) << 6);
+
+ /* Add in the device type and sys_boot fields (see above) */
+ if (cpu_is_omap24xx()) {
+ i = OMAP24XX_CONTROL_STATUS;
+ } else if (cpu_is_omap343x()) {
+ i = OMAP343X_CONTROL_STATUS;
+ } else {
+ printk(KERN_ERR "id: unknown CPU type\n");
+ BUG();
+ }
+ ctrl_status = omap_ctrl_readl(i);
+ system_rev |= (ctrl_status & (OMAP2_SYSBOOT_5_MASK |
+ OMAP2_SYSBOOT_4_MASK |
+ OMAP2_SYSBOOT_3_MASK |
+ OMAP2_SYSBOOT_2_MASK |
+ OMAP2_SYSBOOT_1_MASK |
+ OMAP2_SYSBOOT_0_MASK));
+ system_rev |= (ctrl_status & OMAP2_DEVICETYPE_MASK);
+}
+
+
+/*
+ * _set_omap_chip - set the omap_chip global based on OMAP chip type
+ *
+ * Build the omap_chip bits. This variable is used by powerdomain and
+ * clockdomain code to indicate whether structures are applicable for
+ * the current OMAP chip type by ANDing it against a 'platform' bitfield
+ * in the structure.
+ */
+static void __init _set_omap_chip(void)
+{
+ if (cpu_is_omap343x()) {
+
+ omap_chip.oc = CHIP_IS_OMAP3430;
+ if (is_sil_rev_equal_to(OMAP3430_REV_ES1_0))
+ omap_chip.oc |= CHIP_IS_OMAP3430ES1;
+ else if (is_sil_rev_greater_than(OMAP3430_REV_ES1_0))
+ omap_chip.oc |= CHIP_IS_OMAP3430ES2;
+
+ } else if (cpu_is_omap243x()) {
+
+ /* Currently only supports 2430ES2.1 and 2430-all */
+ omap_chip.oc |= CHIP_IS_OMAP2430;
+
+ } else if (cpu_is_omap242x()) {
+
+ /* Currently only supports 2420ES2.1.1 and 2420-all */
+ omap_chip.oc |= CHIP_IS_OMAP2420;
+
+ } else {
+
+ /* Current CPU not supported by this code. */
+ printk(KERN_WARNING "OMAP chip type code does not yet support "
+ "this CPU type.\n");
+ WARN_ON(1);
+
+ }
+
}
void __init omap2_check_revision(void)
@@ -76,21 +208,31 @@ void __init omap2_check_revision(void)
rev = (idcode >> 28) & 0x0f;
dev_type = (prod_id >> 16) & 0x0f;
-#ifdef DEBUG
- printk(KERN_DEBUG "OMAP_TAP_IDCODE 0x%08x REV %i HAWKEYE 0x%04x MANF %03x\n",
- idcode, rev, hawkeye, (idcode >> 1) & 0x7ff);
- printk(KERN_DEBUG "OMAP_TAP_DIE_ID_0: 0x%08x\n",
- read_tap_reg(OMAP_TAP_DIE_ID_0));
- printk(KERN_DEBUG "OMAP_TAP_DIE_ID_1: 0x%08x DEV_REV: %i\n",
- read_tap_reg(OMAP_TAP_DIE_ID_1),
- (read_tap_reg(OMAP_TAP_DIE_ID_1) >> 28) & 0xf);
- printk(KERN_DEBUG "OMAP_TAP_DIE_ID_2: 0x%08x\n",
- read_tap_reg(OMAP_TAP_DIE_ID_2));
- printk(KERN_DEBUG "OMAP_TAP_DIE_ID_3: 0x%08x\n",
- read_tap_reg(OMAP_TAP_DIE_ID_3));
- printk(KERN_DEBUG "OMAP_TAP_PROD_ID_0: 0x%08x DEV_TYPE: %i\n",
- prod_id, dev_type);
-#endif
+ pr_debug("OMAP_TAP_IDCODE 0x%08x REV %i HAWKEYE 0x%04x MANF %03x\n",
+ idcode, rev, hawkeye, (idcode >> 1) & 0x7ff);
+ pr_debug("OMAP_TAP_DIE_ID_0: 0x%08x\n",
+ read_tap_reg(OMAP_TAP_DIE_ID_0));
+ pr_debug("OMAP_TAP_DIE_ID_1: 0x%08x DEV_REV: %i\n",
+ read_tap_reg(OMAP_TAP_DIE_ID_1),
+ (read_tap_reg(OMAP_TAP_DIE_ID_1) >> 28) & 0xf);
+ pr_debug("OMAP_TAP_DIE_ID_2: 0x%08x\n",
+ read_tap_reg(OMAP_TAP_DIE_ID_2));
+ pr_debug("OMAP_TAP_DIE_ID_3: 0x%08x\n",
+ read_tap_reg(OMAP_TAP_DIE_ID_3));
+ pr_debug("OMAP_TAP_PROD_ID_0: 0x%08x DEV_TYPE: %i\n",
+ prod_id, dev_type);
+
+ /*
+ * Detection for 34xx ES2.0 and above can be done with just
+ * hawkeye and rev. See TRM 1.5.2 Device Identification.
+ * Note that rev cannot be used directly as ES1.0 uses value 0.
+ */
+ if (hawkeye == 0xb7ae) {
+ system_rev = 0x34300000 | ((1 + rev) << 12);
+ pr_info("OMAP%04x ES2.%i\n", system_rev >> 16, rev);
+ _set_omap_chip();
+ return;
+ }
/* Check hawkeye ids */
for (i = 0; i < ARRAY_SIZE(omap_ids); i++) {
@@ -114,16 +256,15 @@ void __init omap2_check_revision(void)
omap_ids[i].type >> 16);
j = i;
}
- system_rev = omap_ids[j].type;
- system_rev |= rev << 8;
+ _set_system_rev(omap_ids[j].type, rev);
- /* Add the cpu class info (24xx) */
- system_rev |= 0x24;
+ _set_omap_chip();
pr_info("OMAP%04x", system_rev >> 16);
if ((system_rev >> 8) & 0x0f)
- printk("%x", (system_rev >> 8) & 0x0f);
- printk("\n");
+ pr_info("ES%x", (system_rev >> 12) & 0xf);
+ pr_info("\n");
+
}
diff --git a/arch/arm/mach-omap2/mcbsp.c b/arch/arm/mach-omap2/mcbsp.c
new file mode 100644
index 00000000000..17cf199d113
--- /dev/null
+++ b/arch/arm/mach-omap2/mcbsp.c
@@ -0,0 +1,208 @@
+/*
+ * linux/arch/arm/mach-omap2/mcbsp.c
+ *
+ * Copyright (C) 2008 Instituto Nokia de Tecnologia
+ * Contact: Eduardo Valentin <eduardo.valentin@indt.org.br>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Multichannel mode not supported.
+ */
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/platform_device.h>
+
+#include <asm/arch/dma.h>
+#include <asm/arch/mux.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/mcbsp.h>
+
+struct mcbsp_internal_clk {
+ struct clk clk;
+ struct clk **childs;
+ int n_childs;
+};
+
+#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)
+static void omap_mcbsp_clk_init(struct mcbsp_internal_clk *mclk)
+{
+ const char *clk_names[] = { "mcbsp_ick", "mcbsp_fck" };
+ int i;
+
+ mclk->n_childs = ARRAY_SIZE(clk_names);
+ mclk->childs = kzalloc(mclk->n_childs * sizeof(struct clk *),
+ GFP_KERNEL);
+
+ for (i = 0; i < mclk->n_childs; i++) {
+ /* We fake a platform device to get correct device id */
+ struct platform_device pdev;
+
+ pdev.dev.bus = &platform_bus_type;
+ pdev.id = mclk->clk.id;
+ mclk->childs[i] = clk_get(&pdev.dev, clk_names[i]);
+ if (IS_ERR(mclk->childs[i]))
+ printk(KERN_ERR "Could not get clock %s (%d).\n",
+ clk_names[i], mclk->clk.id);
+ }
+}
+
+static int omap_mcbsp_clk_enable(struct clk *clk)
+{
+ struct mcbsp_internal_clk *mclk = container_of(clk,
+ struct mcbsp_internal_clk, clk);
+ int i;
+
+ for (i = 0; i < mclk->n_childs; i++)
+ clk_enable(mclk->childs[i]);
+ return 0;
+}
+
+static void omap_mcbsp_clk_disable(struct clk *clk)
+{
+ struct mcbsp_internal_clk *mclk = container_of(clk,
+ struct mcbsp_internal_clk, clk);
+ int i;
+
+ for (i = 0; i < mclk->n_childs; i++)
+ clk_disable(mclk->childs[i]);
+}
+
+static struct mcbsp_internal_clk omap_mcbsp_clks[] = {
+ {
+ .clk = {
+ .name = "mcbsp_clk",
+ .id = 1,
+ .enable = omap_mcbsp_clk_enable,
+ .disable = omap_mcbsp_clk_disable,
+ },
+ },
+ {
+ .clk = {
+ .name = "mcbsp_clk",
+ .id = 2,
+ .enable = omap_mcbsp_clk_enable,
+ .disable = omap_mcbsp_clk_disable,
+ },
+ },
+};
+
+#define omap_mcbsp_clks_size ARRAY_SIZE(omap_mcbsp_clks)
+#else
+#define omap_mcbsp_clks_size 0
+static struct mcbsp_internal_clk __initdata *omap_mcbsp_clks;
+static inline void omap_mcbsp_clk_init(struct clk *clk)
+{ }
+#endif
+
+static void omap2_mcbsp2_mux_setup(void)
+{
+ omap_cfg_reg(Y15_24XX_MCBSP2_CLKX);
+ omap_cfg_reg(R14_24XX_MCBSP2_FSX);
+ omap_cfg_reg(W15_24XX_MCBSP2_DR);
+ omap_cfg_reg(V15_24XX_MCBSP2_DX);
+ omap_cfg_reg(V14_24XX_GPIO117);
+ /*
+ * TODO: Need to add MUX settings for OMAP 2430 SDP
+ */
+}
+
+static void omap2_mcbsp_request(unsigned int id)
+{
+ if (cpu_is_omap2420() && (id == OMAP_MCBSP2))
+ omap2_mcbsp2_mux_setup();
+}
+
+static int omap2_mcbsp_check(unsigned int id)
+{
+ if (id > OMAP_MAX_MCBSP_COUNT - 1) {
+ printk(KERN_ERR "OMAP-McBSP: McBSP%d doesn't exist\n", id + 1);
+ return -ENODEV;
+ }
+ return 0;
+}
+
+static struct omap_mcbsp_ops omap2_mcbsp_ops = {
+ .request = omap2_mcbsp_request,
+ .check = omap2_mcbsp_check,
+};
+
+#ifdef CONFIG_ARCH_OMAP24XX
+static struct omap_mcbsp_platform_data omap24xx_mcbsp_pdata[] = {
+ {
+ .virt_base = IO_ADDRESS(OMAP24XX_MCBSP1_BASE),
+ .dma_rx_sync = OMAP24XX_DMA_MCBSP1_RX,
+ .dma_tx_sync = OMAP24XX_DMA_MCBSP1_TX,
+ .rx_irq = INT_24XX_MCBSP1_IRQ_RX,
+ .tx_irq = INT_24XX_MCBSP1_IRQ_TX,
+ .ops = &omap2_mcbsp_ops,
+ .clk_name = "mcbsp_clk",
+ },
+ {
+ .virt_base = IO_ADDRESS(OMAP24XX_MCBSP2_BASE),
+ .dma_rx_sync = OMAP24XX_DMA_MCBSP2_RX,
+ .dma_tx_sync = OMAP24XX_DMA_MCBSP2_TX,
+ .rx_irq = INT_24XX_MCBSP2_IRQ_RX,
+ .tx_irq = INT_24XX_MCBSP2_IRQ_TX,
+ .ops = &omap2_mcbsp_ops,
+ .clk_name = "mcbsp_clk",
+ },
+};
+#define OMAP24XX_MCBSP_PDATA_SZ ARRAY_SIZE(omap24xx_mcbsp_pdata)
+#else
+#define omap24xx_mcbsp_pdata NULL
+#define OMAP24XX_MCBSP_PDATA_SZ 0
+#endif
+
+#ifdef CONFIG_ARCH_OMAP34XX
+static struct omap_mcbsp_platform_data omap34xx_mcbsp_pdata[] = {
+ {
+ .virt_base = IO_ADDRESS(OMAP34XX_MCBSP1_BASE),
+ .dma_rx_sync = OMAP24XX_DMA_MCBSP1_RX,
+ .dma_tx_sync = OMAP24XX_DMA_MCBSP1_TX,
+ .rx_irq = INT_24XX_MCBSP1_IRQ_RX,
+ .tx_irq = INT_24XX_MCBSP1_IRQ_TX,
+ .ops = &omap2_mcbsp_ops,
+ .clk_name = "mcbsp_clk",
+ },
+ {
+ .virt_base = IO_ADDRESS(OMAP34XX_MCBSP2_BASE),
+ .dma_rx_sync = OMAP24XX_DMA_MCBSP2_RX,
+ .dma_tx_sync = OMAP24XX_DMA_MCBSP2_TX,
+ .rx_irq = INT_24XX_MCBSP2_IRQ_RX,
+ .tx_irq = INT_24XX_MCBSP2_IRQ_TX,
+ .ops = &omap2_mcbsp_ops,
+ .clk_name = "mcbsp_clk",
+ },
+};
+#define OMAP34XX_MCBSP_PDATA_SZ ARRAY_SIZE(omap34xx_mcbsp_pdata)
+#else
+#define omap34xx_mcbsp_pdata NULL
+#define OMAP34XX_MCBSP_PDATA_SZ 0
+#endif
+
+int __init omap2_mcbsp_init(void)
+{
+ int i;
+
+ for (i = 0; i < omap_mcbsp_clks_size; i++) {
+ /* Once we call clk_get inside init, we do not register it */
+ omap_mcbsp_clk_init(&omap_mcbsp_clks[i]);
+ clk_register(&omap_mcbsp_clks[i].clk);
+ }
+
+ if (cpu_is_omap24xx())
+ omap_mcbsp_register_board_cfg(omap24xx_mcbsp_pdata,
+ OMAP24XX_MCBSP_PDATA_SZ);
+
+ if (cpu_is_omap34xx())
+ omap_mcbsp_register_board_cfg(omap34xx_mcbsp_pdata,
+ OMAP34XX_MCBSP_PDATA_SZ);
+
+ return omap_mcbsp_init();
+}
+arch_initcall(omap2_mcbsp_init);
diff --git a/arch/arm/mach-omap2/memory.c b/arch/arm/mach-omap2/memory.c
index 12479081881..73cadb2c75c 100644
--- a/arch/arm/mach-omap2/memory.c
+++ b/arch/arm/mach-omap2/memory.c
@@ -24,6 +24,7 @@
#include <asm/io.h>
+#include <asm/arch/common.h>
#include <asm/arch/clock.h>
#include <asm/arch/sram.h>
@@ -32,8 +33,8 @@
#include "memory.h"
#include "sdrc.h"
-unsigned long omap2_sdrc_base;
-unsigned long omap2_sms_base;
+void __iomem *omap2_sdrc_base;
+void __iomem *omap2_sms_base;
static struct memory_timings mem_timings;
static u32 curr_perf_level = CORE_CLK_SRC_DPLL_X2;
@@ -154,6 +155,12 @@ void omap2_init_memory_params(u32 force_lock_to_unlock_mode)
mem_timings.slow_dll_ctrl |= ((1 << 1) | (3 << 8));
}
+void __init omap2_set_globals_memory(struct omap_globals *omap2_globals)
+{
+ omap2_sdrc_base = omap2_globals->sdrc;
+ omap2_sms_base = omap2_globals->sms;
+}
+
/* turn on smart idle modes for SDRAM scheduler and controller */
void __init omap2_init_memory(void)
{
diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c
index 930770012a7..8f98b20f30a 100644
--- a/arch/arm/mach-omap2/mux.c
+++ b/arch/arm/mach-omap2/mux.c
@@ -236,7 +236,7 @@ void __init_or_module omap2_cfg_debug(const struct pin_config *cfg, u8 reg)
warn = (orig != reg);
if (debug || warn)
printk(KERN_WARNING
- "MUX: setup %s (0x%08x): 0x%02x -> 0x%02x\n",
+ "MUX: setup %s (0x%p): 0x%04x -> 0x%04x\n",
cfg->name, omap_ctrl_base_get() + cfg->mux_reg,
orig, reg);
}
diff --git a/arch/arm/mach-omap2/pm.c b/arch/arm/mach-omap2/pm.c
index aad781dcf1b..d6c9de82ca0 100644
--- a/arch/arm/mach-omap2/pm.c
+++ b/arch/arm/mach-omap2/pm.c
@@ -57,13 +57,6 @@ void omap2_pm_idle(void)
return;
}
- /*
- * Since an interrupt may set up a timer, we don't want to
- * reprogram the hardware timer with interrupts enabled.
- * Re-enable interrupts only after returning from idle.
- */
- timer_dyn_reprogram();
-
omap2_sram_idle();
local_fiq_enable();
local_irq_enable();
diff --git a/arch/arm/mach-omap2/prcm-common.h b/arch/arm/mach-omap2/prcm-common.h
index cacb34086e3..54c32f48213 100644
--- a/arch/arm/mach-omap2/prcm-common.h
+++ b/arch/arm/mach-omap2/prcm-common.h
@@ -32,6 +32,7 @@
/* Chip-specific module offsets */
+#define OMAP24XX_GR_MOD OCP_MOD
#define OMAP24XX_DSP_MOD 0x800
#define OMAP2430_MDM_MOD 0xc00
diff --git a/arch/arm/mach-omap2/prcm.c b/arch/arm/mach-omap2/prcm.c
index b12f423b859..fd92a80f38f 100644
--- a/arch/arm/mach-omap2/prcm.c
+++ b/arch/arm/mach-omap2/prcm.c
@@ -16,16 +16,21 @@
#include <linux/module.h>
#include <linux/init.h>
#include <linux/clk.h>
+#include <linux/io.h>
-#include <asm/io.h>
+#include <asm/arch/common.h>
+#include <asm/arch/prcm.h>
+#include "clock.h"
#include "prm.h"
#include "prm-regbits-24xx.h"
-extern void omap2_clk_prepare_for_reboot(void);
+static void __iomem *prm_base;
+static void __iomem *cm_base;
u32 omap_prcm_get_reset_sources(void)
{
+ /* XXX This presumably needs modification for 34XX */
return prm_read_mod_reg(WKUP_MOD, RM_RSTST) & 0x7f;
}
EXPORT_SYMBOL(omap_prcm_get_reset_sources);
@@ -33,11 +38,90 @@ EXPORT_SYMBOL(omap_prcm_get_reset_sources);
/* Resets clock rates and reboots the system. Only called from system.h */
void omap_prcm_arch_reset(char mode)
{
- u32 wkup;
+ s16 prcm_offs;
omap2_clk_prepare_for_reboot();
- if (cpu_is_omap24xx()) {
- wkup = prm_read_mod_reg(WKUP_MOD, RM_RSTCTRL) | OMAP_RST_DPLL3;
- prm_write_mod_reg(wkup, WKUP_MOD, RM_RSTCTRL);
- }
+ if (cpu_is_omap24xx())
+ prcm_offs = WKUP_MOD;
+ else if (cpu_is_omap34xx())
+ prcm_offs = OMAP3430_GR_MOD;
+ else
+ WARN_ON(1);
+
+ prm_set_mod_reg_bits(OMAP_RST_DPLL3, prcm_offs, RM_RSTCTRL);
+}
+
+static inline u32 __omap_prcm_read(void __iomem *base, s16 module, u16 reg)
+{
+ BUG_ON(!base);
+ return __raw_readl(base + module + reg);
+}
+
+static inline void __omap_prcm_write(u32 value, void __iomem *base,
+ s16 module, u16 reg)
+{
+ BUG_ON(!base);
+ __raw_writel(value, base + module + reg);
+}
+
+/* Read a register in a PRM module */
+u32 prm_read_mod_reg(s16 module, u16 idx)
+{
+ return __omap_prcm_read(prm_base, module, idx);
+}
+EXPORT_SYMBOL(prm_read_mod_reg);
+
+/* Write into a register in a PRM module */
+void prm_write_mod_reg(u32 val, s16 module, u16 idx)
+{
+ __omap_prcm_write(val, prm_base, module, idx);
+}
+EXPORT_SYMBOL(prm_write_mod_reg);
+
+/* Read-modify-write a register in a PRM module. Caller must lock */
+u32 prm_rmw_mod_reg_bits(u32 mask, u32 bits, s16 module, s16 idx)
+{
+ u32 v;
+
+ v = prm_read_mod_reg(module, idx);
+ v &= ~mask;
+ v |= bits;
+ prm_write_mod_reg(v, module, idx);
+
+ return v;
+}
+EXPORT_SYMBOL(prm_rmw_mod_reg_bits);
+
+/* Read a register in a CM module */
+u32 cm_read_mod_reg(s16 module, u16 idx)
+{
+ return __omap_prcm_read(cm_base, module, idx);
+}
+EXPORT_SYMBOL(cm_read_mod_reg);
+
+/* Write into a register in a CM module */
+void cm_write_mod_reg(u32 val, s16 module, u16 idx)
+{
+ __omap_prcm_write(val, cm_base, module, idx);
+}
+EXPORT_SYMBOL(cm_write_mod_reg);
+
+/* Read-modify-write a register in a CM module. Caller must lock */
+u32 cm_rmw_mod_reg_bits(u32 mask, u32 bits, s16 module, s16 idx)
+{
+ u32 v;
+
+ v = cm_read_mod_reg(module, idx);
+ v &= ~mask;
+ v |= bits;
+ cm_write_mod_reg(v, module, idx);
+
+ return v;
+}
+EXPORT_SYMBOL(cm_rmw_mod_reg_bits);
+
+void __init omap2_set_globals_prcm(struct omap_globals *omap2_globals)
+{
+ prm_base = omap2_globals->prm;
+ cm_base = omap2_globals->cm;
}
diff --git a/arch/arm/mach-omap2/prm.h b/arch/arm/mach-omap2/prm.h
index 618f8111658..bbf41fc8e9a 100644
--- a/arch/arm/mach-omap2/prm.h
+++ b/arch/arm/mach-omap2/prm.h
@@ -38,13 +38,29 @@
*
*/
+/* Global 24xx registers in GR_MOD (Same as OCP_MOD for 24xx) */
+#define OMAP24XX_PRCM_VOLTCTRL_OFFSET 0x0050
+#define OMAP24XX_PRCM_CLKCFG_CTRL_OFFSET 0x0080
+
+/* 242x GR_MOD registers, use these only for assembly code */
+#define OMAP242X_PRCM_VOLTCTRL OMAP2420_PRM_REGADDR(OMAP24XX_GR_MOD, \
+ OMAP24XX_PRCM_VOLTCTRL_OFFSET)
+#define OMAP242X_PRCM_CLKCFG_CTRL OMAP2420_PRM_REGADDR(OMAP24XX_GR_MOD, \
+ OMAP24XX_PRCM_CLKCFG_CTRL_OFFSET)
+
+/* 243x GR_MOD registers, use these only for assembly code */
+#define OMAP243X_PRCM_VOLTCTRL OMAP2430_PRM_REGADDR(OMAP24XX_GR_MOD, \
+ OMAP24XX_PRCM_VOLTCTRL_OFFSET)
+#define OMAP243X_PRCM_CLKCFG_CTRL OMAP2430_PRM_REGADDR(OMAP24XX_GR_MOD, \
+ OMAP24XX_PRCM_CLKCFG_CTRL_OFFSET)
+
+/* These will disappear */
#define OMAP24XX_PRCM_REVISION OMAP_PRM_REGADDR(OCP_MOD, 0x0000)
#define OMAP24XX_PRCM_SYSCONFIG OMAP_PRM_REGADDR(OCP_MOD, 0x0010)
#define OMAP24XX_PRCM_IRQSTATUS_MPU OMAP_PRM_REGADDR(OCP_MOD, 0x0018)
#define OMAP24XX_PRCM_IRQENABLE_MPU OMAP_PRM_REGADDR(OCP_MOD, 0x001c)
-#define OMAP24XX_PRCM_VOLTCTRL OMAP_PRM_REGADDR(OCP_MOD, 0x0050)
#define OMAP24XX_PRCM_VOLTST OMAP_PRM_REGADDR(OCP_MOD, 0x0054)
#define OMAP24XX_PRCM_CLKSRC_CTRL OMAP_PRM_REGADDR(OCP_MOD, 0x0060)
#define OMAP24XX_PRCM_CLKOUT_CTRL OMAP_PRM_REGADDR(OCP_MOD, 0x0070)
@@ -150,15 +166,19 @@
#ifndef __ASSEMBLER__
/* Power/reset management domain register get/set */
+extern u32 prm_read_mod_reg(s16 module, u16 idx);
+extern void prm_write_mod_reg(u32 val, s16 module, u16 idx);
+extern u32 prm_rmw_mod_reg_bits(u32 mask, u32 bits, s16 module, s16 idx);
-static inline void prm_write_mod_reg(u32 val, s16 module, s16 idx)
+/* Read-modify-write bits in a PRM register (by domain) */
+static inline u32 prm_set_mod_reg_bits(u32 bits, s16 module, s16 idx)
{
- __raw_writel(val, OMAP_PRM_REGADDR(module, idx));
+ return prm_rmw_mod_reg_bits(bits, bits, module, idx);
}
-static inline u32 prm_read_mod_reg(s16 module, s16 idx)
+static inline u32 prm_clear_mod_reg_bits(u32 bits, s16 module, s16 idx)
{
- return __raw_readl(OMAP_PRM_REGADDR(module, idx));
+ return prm_rmw_mod_reg_bits(bits, 0x0, module, idx);
}
#endif
diff --git a/arch/arm/mach-omap2/sdrc.h b/arch/arm/mach-omap2/sdrc.h
index d7f23bc9550..1b1fe4f6e03 100644
--- a/arch/arm/mach-omap2/sdrc.h
+++ b/arch/arm/mach-omap2/sdrc.h
@@ -18,13 +18,11 @@
#include <asm/arch/sdrc.h>
#ifndef __ASSEMBLER__
-extern unsigned long omap2_sdrc_base;
-extern unsigned long omap2_sms_base;
+extern void __iomem *omap2_sdrc_base;
+extern void __iomem *omap2_sms_base;
-#define OMAP_SDRC_REGADDR(reg) \
- (void __iomem *)IO_ADDRESS(omap2_sdrc_base + (reg))
-#define OMAP_SMS_REGADDR(reg) \
- (void __iomem *)IO_ADDRESS(omap2_sms_base + (reg))
+#define OMAP_SDRC_REGADDR(reg) (omap2_sdrc_base + (reg))
+#define OMAP_SMS_REGADDR(reg) (omap2_sms_base + (reg))
/* SDRC global register get/set */
diff --git a/arch/arm/mach-omap2/sram-fn.S b/arch/arm/mach-omap2/sram242x.S
index 4a9e4914071..4c274510f3e 100644
--- a/arch/arm/mach-omap2/sram-fn.S
+++ b/arch/arm/mach-omap2/sram242x.S
@@ -1,5 +1,5 @@
/*
- * linux/arch/arm/mach-omap2/sram-fn.S
+ * linux/arch/arm/mach-omap2/sram242x.S
*
* Omap2 specific functions that need to be run in internal SRAM
*
@@ -27,22 +27,20 @@
#include <asm/arch/io.h>
#include <asm/hardware.h>
-#include "sdrc.h"
#include "prm.h"
#include "cm.h"
-
-#define TIMER_32KSYNCT_CR_V IO_ADDRESS(OMAP2420_32KSYNCT_BASE + 0x010)
+#include "sdrc.h"
.text
-ENTRY(sram_ddr_init)
+ENTRY(omap242x_sram_ddr_init)
stmfd sp!, {r0 - r12, lr} @ save registers on stack
mov r12, r2 @ capture CS1 vs CS0
mov r8, r3 @ capture force parameter
/* frequency shift down */
- ldr r2, cm_clksel2_pll @ get address of dpllout reg
+ ldr r2, omap242x_sdi_cm_clksel2_pll @ get address of dpllout reg
mov r3, #0x1 @ value for 1x operation
str r3, [r2] @ go to L1-freq operation
@@ -51,7 +49,7 @@ ENTRY(sram_ddr_init)
bl voltage_shift @ go drop voltage
/* dll lock mode */
- ldr r11, sdrc_dlla_ctrl @ addr of dlla ctrl
+ ldr r11, omap242x_sdi_sdrc_dlla_ctrl @ addr of dlla ctrl
ldr r10, [r11] @ get current val
cmp r12, #0x1 @ cs1 base (2422 es2.05/1)
addeq r11, r11, #0x8 @ if cs1 base, move to DLLB
@@ -102,7 +100,7 @@ i_dll_delay:
* wait for it to finish, use 32k sync counter, 1tick=31uS.
*/
voltage_shift:
- ldr r4, prcm_voltctrl @ get addr of volt ctrl.
+ ldr r4, omap242x_sdi_prcm_voltctrl @ get addr of volt ctrl.
ldr r5, [r4] @ get value.
ldr r6, prcm_mask_val @ get value of mask
and r5, r5, r6 @ apply mask to clear bits
@@ -112,7 +110,7 @@ voltage_shift:
orr r5, r5, r3 @ build value for force
str r5, [r4] @ Force transition to L1
- ldr r3, timer_32ksynct_cr @ get addr of counter
+ ldr r3, omap242x_sdi_timer_32ksynct_cr @ get addr of counter
ldr r5, [r3] @ get value
add r5, r5, #0x3 @ give it at most 93uS
volt_delay:
@@ -121,32 +119,31 @@ volt_delay:
bhi volt_delay @ not yet->branch
mov pc, lr @ back to caller.
-/* relative load constants */
-cm_clksel2_pll:
+omap242x_sdi_cm_clksel2_pll:
.word OMAP2420_CM_REGADDR(PLL_MOD, CM_CLKSEL2)
-sdrc_dlla_ctrl:
+omap242x_sdi_sdrc_dlla_ctrl:
.word OMAP242X_SDRC_REGADDR(SDRC_DLLA_CTRL)
-prcm_voltctrl:
- .word OMAP2420_PRM_REGADDR(OCP_MOD, 0x50)
+omap242x_sdi_prcm_voltctrl:
+ .word OMAP242X_PRCM_VOLTCTRL
prcm_mask_val:
.word 0xFFFF3FFC
-timer_32ksynct_cr:
- .word TIMER_32KSYNCT_CR_V
-ENTRY(sram_ddr_init_sz)
- .word . - sram_ddr_init
+omap242x_sdi_timer_32ksynct_cr:
+ .word IO_ADDRESS(OMAP2_32KSYNCT_BASE + 0x010)
+ENTRY(omap242x_sram_ddr_init_sz)
+ .word . - omap242x_sram_ddr_init
/*
* Reprograms memory timings.
* r0 = [PRCM_FULL | PRCM_HALF] r1 = SDRC_DLLA_CTRL value r2 = [DDR | SDR]
* PRCM_FULL = 2, PRCM_HALF = 1, DDR = 1, SDR = 0
*/
-ENTRY(sram_reprogram_sdrc)
+ENTRY(omap242x_sram_reprogram_sdrc)
stmfd sp!, {r0 - r10, lr} @ save registers on stack
mov r3, #0x0 @ clear for mrc call
mcr p15, 0, r3, c7, c10, 4 @ memory barrier, finish ARM SDR/DDR
nop
nop
- ldr r6, ddr_sdrc_rfr_ctrl @ get addr of refresh reg
+ ldr r6, omap242x_srs_sdrc_rfr_ctrl @ get addr of refresh reg
ldr r5, [r6] @ get value
mov r5, r5, lsr #8 @ isolate rfr field and drop burst
@@ -160,7 +157,7 @@ ENTRY(sram_reprogram_sdrc)
movne r5, r5, lsl #1 @ mult by 2 if to full
mov r5, r5, lsl #8 @ put rfr field back into place
add r5, r5, #0x1 @ turn on burst of 1
- ldr r4, ddr_cm_clksel2_pll @ get address of out reg
+ ldr r4, omap242x_srs_cm_clksel2_pll @ get address of out reg
ldr r3, [r4] @ get curr value
orr r3, r3, #0x3
bic r3, r3, #0x3 @ clear lower bits
@@ -181,7 +178,7 @@ ENTRY(sram_reprogram_sdrc)
bne freq_out @ leave if SDR, no DLL function
/* With DDR, we need to take care of the DLL for the frequency change */
- ldr r2, ddr_sdrc_dlla_ctrl @ addr of dlla ctrl
+ ldr r2, omap242x_srs_sdrc_dlla_ctrl @ addr of dlla ctrl
str r1, [r2] @ write out new SDRC_DLLA_CTRL
add r2, r2, #0x8 @ addr to SDRC_DLLB_CTRL
str r1, [r2] @ commit to SDRC_DLLB_CTRL
@@ -197,7 +194,7 @@ freq_out:
* wait for it to finish, use 32k sync counter, 1tick=31uS.
*/
voltage_shift_c:
- ldr r10, ddr_prcm_voltctrl @ get addr of volt ctrl
+ ldr r10, omap242x_srs_prcm_voltctrl @ get addr of volt ctrl
ldr r8, [r10] @ get value
ldr r7, ddr_prcm_mask_val @ get value of mask
and r8, r8, r7 @ apply mask to clear bits
@@ -207,7 +204,7 @@ voltage_shift_c:
orr r8, r8, r7 @ build value for force
str r8, [r10] @ Force transition to L1
- ldr r10, ddr_timer_32ksynct @ get addr of counter
+ ldr r10, omap242x_srs_timer_32ksynct @ get addr of counter
ldr r8, [r10] @ get value
add r8, r8, #0x2 @ give it at most 62uS (min 31+)
volt_delay_c:
@@ -216,39 +213,39 @@ volt_delay_c:
bhi volt_delay_c @ not yet->branch
mov pc, lr @ back to caller
-ddr_cm_clksel2_pll:
+omap242x_srs_cm_clksel2_pll:
.word OMAP2420_CM_REGADDR(PLL_MOD, CM_CLKSEL2)
-ddr_sdrc_dlla_ctrl:
+omap242x_srs_sdrc_dlla_ctrl:
.word OMAP242X_SDRC_REGADDR(SDRC_DLLA_CTRL)
-ddr_sdrc_rfr_ctrl:
+omap242x_srs_sdrc_rfr_ctrl:
.word OMAP242X_SDRC_REGADDR(SDRC_RFR_CTRL_0)
-ddr_prcm_voltctrl:
- .word OMAP2420_PRM_REGADDR(OCP_MOD, 0x50)
+omap242x_srs_prcm_voltctrl:
+ .word OMAP242X_PRCM_VOLTCTRL
ddr_prcm_mask_val:
.word 0xFFFF3FFC
-ddr_timer_32ksynct:
- .word TIMER_32KSYNCT_CR_V
+omap242x_srs_timer_32ksynct:
+ .word IO_ADDRESS(OMAP2_32KSYNCT_BASE + 0x010)
-ENTRY(sram_reprogram_sdrc_sz)
- .word . - sram_reprogram_sdrc
+ENTRY(omap242x_sram_reprogram_sdrc_sz)
+ .word . - omap242x_sram_reprogram_sdrc
/*
* Set dividers and pll. Also recalculate DLL value for DDR and unlock mode.
*/
-ENTRY(sram_set_prcm)
+ENTRY(omap242x_sram_set_prcm)
stmfd sp!, {r0-r12, lr} @ regs to stack
adr r4, pbegin @ addr of preload start
adr r8, pend @ addr of preload end
mcrr p15, 1, r8, r4, c12 @ preload into icache
pbegin:
/* move into fast relock bypass */
- ldr r8, pll_ctl @ get addr
+ ldr r8, omap242x_ssp_pll_ctl @ get addr
ldr r5, [r8] @ get val
mvn r6, #0x3 @ clear mask
and r5, r5, r6 @ clear field
orr r7, r5, #0x2 @ fast relock val
str r7, [r8] @ go to fast relock
- ldr r4, pll_stat @ addr of stat
+ ldr r4, omap242x_ssp_pll_stat @ addr of stat
block:
/* wait for bypass */
ldr r8, [r4] @ stat value
@@ -257,10 +254,10 @@ block:
bne block @ loop if not
/* set new dpll dividers _after_ in bypass */
- ldr r4, pll_div @ get addr
+ ldr r4, omap242x_ssp_pll_div @ get addr
str r0, [r4] @ set dpll ctrl val
- ldr r4, set_config @ get addr
+ ldr r4, omap242x_ssp_set_config @ get addr
mov r8, #1 @ valid cfg msk
str r8, [r4] @ make dividers take
@@ -274,8 +271,8 @@ wait_a_bit:
beq pend @ jump over dpll relock
/* relock DPLL with new vals */
- ldr r5, pll_stat @ get addr
- ldr r4, pll_ctl @ get addr
+ ldr r5, omap242x_ssp_pll_stat @ get addr
+ ldr r4, omap242x_ssp_pll_ctl @ get addr
orr r8, r7, #0x3 @ val for lock dpll
str r8, [r4] @ set val
mov r0, #1000 @ dead spin a bit
@@ -289,9 +286,9 @@ wait_lock:
bne wait_lock @ wait if not
pend:
/* update memory timings & briefly lock dll */
- ldr r4, sdrc_rfr @ get addr
+ ldr r4, omap242x_ssp_sdrc_rfr @ get addr
str r1, [r4] @ update refresh timing
- ldr r11, dlla_ctrl @ get addr of DLLA ctrl
+ ldr r11, omap242x_ssp_dlla_ctrl @ get addr of DLLA ctrl
ldr r10, [r11] @ get current val
mvn r9, #0x4 @ mask to get clear bit2
and r10, r10, r9 @ clear bit2 for lock mode
@@ -307,18 +304,18 @@ wait_dll_lock:
nop
ldmfd sp!, {r0-r12, pc} @ restore regs and return
-set_config:
- .word OMAP2420_PRM_REGADDR(OCP_MOD, 0x80)
-pll_ctl:
- .word OMAP2420_CM_REGADDR(PLL_MOD, CM_FCLKEN1)
-pll_stat:
- .word OMAP2420_CM_REGADDR(PLL_MOD, CM_IDLEST1)
-pll_div:
- .word OMAP2420_CM_REGADDR(PLL_MOD, CM_CLKSEL)
-sdrc_rfr:
+omap242x_ssp_set_config:
+ .word OMAP242X_PRCM_CLKCFG_CTRL
+omap242x_ssp_pll_ctl:
+ .word OMAP2420_CM_REGADDR(PLL_MOD, CM_CLKEN)
+omap242x_ssp_pll_stat:
+ .word OMAP2420_CM_REGADDR(PLL_MOD, CM_IDLEST)
+omap242x_ssp_pll_div:
+ .word OMAP2420_CM_REGADDR(PLL_MOD, CM_CLKSEL1)
+omap242x_ssp_sdrc_rfr:
.word OMAP242X_SDRC_REGADDR(SDRC_RFR_CTRL_0)
-dlla_ctrl:
+omap242x_ssp_dlla_ctrl:
.word OMAP242X_SDRC_REGADDR(SDRC_DLLA_CTRL)
-ENTRY(sram_set_prcm_sz)
- .word . - sram_set_prcm
+ENTRY(omap242x_sram_set_prcm_sz)
+ .word . - omap242x_sram_set_prcm
diff --git a/arch/arm/mach-omap2/sram243x.S b/arch/arm/mach-omap2/sram243x.S
new file mode 100644
index 00000000000..a3fa48dc08c
--- /dev/null
+++ b/arch/arm/mach-omap2/sram243x.S
@@ -0,0 +1,321 @@
+/*
+ * linux/arch/arm/mach-omap2/sram243x.S
+ *
+ * Omap2 specific functions that need to be run in internal SRAM
+ *
+ * (C) Copyright 2004
+ * Texas Instruments, <www.ti.com>
+ * Richard Woodruff <r-woodruff2@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR /PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+#include <linux/linkage.h>
+#include <asm/assembler.h>
+#include <asm/arch/io.h>
+#include <asm/hardware.h>
+
+#include "prm.h"
+#include "cm.h"
+#include "sdrc.h"
+
+ .text
+
+ENTRY(omap243x_sram_ddr_init)
+ stmfd sp!, {r0 - r12, lr} @ save registers on stack
+
+ mov r12, r2 @ capture CS1 vs CS0
+ mov r8, r3 @ capture force parameter
+
+ /* frequency shift down */
+ ldr r2, omap243x_sdi_cm_clksel2_pll @ get address of dpllout reg
+ mov r3, #0x1 @ value for 1x operation
+ str r3, [r2] @ go to L1-freq operation
+
+ /* voltage shift down */
+ mov r9, #0x1 @ set up for L1 voltage call
+ bl voltage_shift @ go drop voltage
+
+ /* dll lock mode */
+ ldr r11, omap243x_sdi_sdrc_dlla_ctrl @ addr of dlla ctrl
+ ldr r10, [r11] @ get current val
+ cmp r12, #0x1 @ cs1 base (2422 es2.05/1)
+ addeq r11, r11, #0x8 @ if cs1 base, move to DLLB
+ mvn r9, #0x4 @ mask to get clear bit2
+ and r10, r10, r9 @ clear bit2 for lock mode.
+ orr r10, r10, #0x8 @ make sure DLL on (es2 bit pos)
+ orr r10, r10, #0x2 @ 90 degree phase for all below 133Mhz
+ str r10, [r11] @ commit to DLLA_CTRL
+ bl i_dll_wait @ wait for dll to lock
+
+ /* get dll value */
+ add r11, r11, #0x4 @ get addr of status reg
+ ldr r10, [r11] @ get locked value
+
+ /* voltage shift up */
+ mov r9, #0x0 @ shift back to L0-voltage
+ bl voltage_shift @ go raise voltage
+
+ /* frequency shift up */
+ mov r3, #0x2 @ value for 2x operation
+ str r3, [r2] @ go to L0-freq operation
+
+ /* reset entry mode for dllctrl */
+ sub r11, r11, #0x4 @ move from status to ctrl
+ cmp r12, #0x1 @ normalize if cs1 based
+ subeq r11, r11, #0x8 @ possibly back to DLLA
+ cmp r8, #0x1 @ if forced unlock exit
+ orreq r1, r1, #0x4 @ make sure exit with unlocked value
+ str r1, [r11] @ restore DLLA_CTRL high value
+ add r11, r11, #0x8 @ move to DLLB_CTRL addr
+ str r1, [r11] @ set value DLLB_CTRL
+ bl i_dll_wait @ wait for possible lock
+
+ /* set up for return, DDR should be good */
+ str r10, [r0] @ write dll_status and return counter
+ ldmfd sp!, {r0 - r12, pc} @ restore regs and return
+
+ /* ensure the DLL has relocked */
+i_dll_wait:
+ mov r4, #0x800 @ delay DLL relock, min 0x400 L3 clocks
+i_dll_delay:
+ subs r4, r4, #0x1
+ bne i_dll_delay
+ mov pc, lr
+
+ /*
+ * shift up or down voltage, use R9 as input to tell level.
+ * wait for it to finish, use 32k sync counter, 1tick=31uS.
+ */
+voltage_shift:
+ ldr r4, omap243x_sdi_prcm_voltctrl @ get addr of volt ctrl.
+ ldr r5, [r4] @ get value.
+ ldr r6, prcm_mask_val @ get value of mask
+ and r5, r5, r6 @ apply mask to clear bits
+ orr r5, r5, r9 @ bulld value for L0/L1-volt operation.
+ str r5, [r4] @ set up for change.
+ mov r3, #0x4000 @ get val for force
+ orr r5, r5, r3 @ build value for force
+ str r5, [r4] @ Force transition to L1
+
+ ldr r3, omap243x_sdi_timer_32ksynct_cr @ get addr of counter
+ ldr r5, [r3] @ get value
+ add r5, r5, #0x3 @ give it at most 93uS
+volt_delay:
+ ldr r7, [r3] @ get timer value
+ cmp r5, r7 @ time up?
+ bhi volt_delay @ not yet->branch
+ mov pc, lr @ back to caller.
+
+omap243x_sdi_cm_clksel2_pll:
+ .word OMAP2430_CM_REGADDR(PLL_MOD, CM_CLKSEL2)
+omap243x_sdi_sdrc_dlla_ctrl:
+ .word OMAP243X_SDRC_REGADDR(SDRC_DLLA_CTRL)
+omap243x_sdi_prcm_voltctrl:
+ .word OMAP243X_PRCM_VOLTCTRL
+prcm_mask_val:
+ .word 0xFFFF3FFC
+omap243x_sdi_timer_32ksynct_cr:
+ .word IO_ADDRESS(OMAP2_32KSYNCT_BASE + 0x010)
+ENTRY(omap243x_sram_ddr_init_sz)
+ .word . - omap243x_sram_ddr_init
+
+/*
+ * Reprograms memory timings.
+ * r0 = [PRCM_FULL | PRCM_HALF] r1 = SDRC_DLLA_CTRL value r2 = [DDR | SDR]
+ * PRCM_FULL = 2, PRCM_HALF = 1, DDR = 1, SDR = 0
+ */
+ENTRY(omap243x_sram_reprogram_sdrc)
+ stmfd sp!, {r0 - r10, lr} @ save registers on stack
+ mov r3, #0x0 @ clear for mrc call
+ mcr p15, 0, r3, c7, c10, 4 @ memory barrier, finish ARM SDR/DDR
+ nop
+ nop
+ ldr r6, omap243x_srs_sdrc_rfr_ctrl @ get addr of refresh reg
+ ldr r5, [r6] @ get value
+ mov r5, r5, lsr #8 @ isolate rfr field and drop burst
+
+ cmp r0, #0x1 @ going to half speed?
+ movne r9, #0x0 @ if up set flag up for pre up, hi volt
+
+ blne voltage_shift_c @ adjust voltage
+
+ cmp r0, #0x1 @ going to half speed (post branch link)
+ moveq r5, r5, lsr #1 @ divide by 2 if to half
+ movne r5, r5, lsl #1 @ mult by 2 if to full
+ mov r5, r5, lsl #8 @ put rfr field back into place
+ add r5, r5, #0x1 @ turn on burst of 1
+ ldr r4, omap243x_srs_cm_clksel2_pll @ get address of out reg
+ ldr r3, [r4] @ get curr value
+ orr r3, r3, #0x3
+ bic r3, r3, #0x3 @ clear lower bits
+ orr r3, r3, r0 @ new state value
+ str r3, [r4] @ set new state (pll/x, x=1 or 2)
+ nop
+ nop
+
+ moveq r9, #0x1 @ if speed down, post down, drop volt
+ bleq voltage_shift_c
+
+ mcr p15, 0, r3, c7, c10, 4 @ memory barrier
+ str r5, [r6] @ set new RFR_1 value
+ add r6, r6, #0x30 @ get RFR_2 addr
+ str r5, [r6] @ set RFR_2
+ nop
+ cmp r2, #0x1 @ (SDR or DDR) do we need to adjust DLL
+ bne freq_out @ leave if SDR, no DLL function
+
+ /* With DDR, we need to take care of the DLL for the frequency change */
+ ldr r2, omap243x_srs_sdrc_dlla_ctrl @ addr of dlla ctrl
+ str r1, [r2] @ write out new SDRC_DLLA_CTRL
+ add r2, r2, #0x8 @ addr to SDRC_DLLB_CTRL
+ str r1, [r2] @ commit to SDRC_DLLB_CTRL
+ mov r1, #0x2000 @ wait DLL relock, min 0x400 L3 clocks
+dll_wait:
+ subs r1, r1, #0x1
+ bne dll_wait
+freq_out:
+ ldmfd sp!, {r0 - r10, pc} @ restore regs and return
+
+ /*
+ * shift up or down voltage, use R9 as input to tell level.
+ * wait for it to finish, use 32k sync counter, 1tick=31uS.
+ */
+voltage_shift_c:
+ ldr r10, omap243x_srs_prcm_voltctrl @ get addr of volt ctrl
+ ldr r8, [r10] @ get value
+ ldr r7, ddr_prcm_mask_val @ get value of mask
+ and r8, r8, r7 @ apply mask to clear bits
+ orr r8, r8, r9 @ bulld value for L0/L1-volt operation.
+ str r8, [r10] @ set up for change.
+ mov r7, #0x4000 @ get val for force
+ orr r8, r8, r7 @ build value for force
+ str r8, [r10] @ Force transition to L1
+
+ ldr r10, omap243x_srs_timer_32ksynct @ get addr of counter
+ ldr r8, [r10] @ get value
+ add r8, r8, #0x2 @ give it at most 62uS (min 31+)
+volt_delay_c:
+ ldr r7, [r10] @ get timer value
+ cmp r8, r7 @ time up?
+ bhi volt_delay_c @ not yet->branch
+ mov pc, lr @ back to caller
+
+omap243x_srs_cm_clksel2_pll:
+ .word OMAP2430_CM_REGADDR(PLL_MOD, CM_CLKSEL2)
+omap243x_srs_sdrc_dlla_ctrl:
+ .word OMAP243X_SDRC_REGADDR(SDRC_DLLA_CTRL)
+omap243x_srs_sdrc_rfr_ctrl:
+ .word OMAP243X_SDRC_REGADDR(SDRC_RFR_CTRL_0)
+omap243x_srs_prcm_voltctrl:
+ .word OMAP243X_PRCM_VOLTCTRL
+ddr_prcm_mask_val:
+ .word 0xFFFF3FFC
+omap243x_srs_timer_32ksynct:
+ .word IO_ADDRESS(OMAP2_32KSYNCT_BASE + 0x010)
+
+ENTRY(omap243x_sram_reprogram_sdrc_sz)
+ .word . - omap243x_sram_reprogram_sdrc
+
+/*
+ * Set dividers and pll. Also recalculate DLL value for DDR and unlock mode.
+ */
+ENTRY(omap243x_sram_set_prcm)
+ stmfd sp!, {r0-r12, lr} @ regs to stack
+ adr r4, pbegin @ addr of preload start
+ adr r8, pend @ addr of preload end
+ mcrr p15, 1, r8, r4, c12 @ preload into icache
+pbegin:
+ /* move into fast relock bypass */
+ ldr r8, omap243x_ssp_pll_ctl @ get addr
+ ldr r5, [r8] @ get val
+ mvn r6, #0x3 @ clear mask
+ and r5, r5, r6 @ clear field
+ orr r7, r5, #0x2 @ fast relock val
+ str r7, [r8] @ go to fast relock
+ ldr r4, omap243x_ssp_pll_stat @ addr of stat
+block:
+ /* wait for bypass */
+ ldr r8, [r4] @ stat value
+ and r8, r8, #0x3 @ mask for stat
+ cmp r8, #0x1 @ there yet
+ bne block @ loop if not
+
+ /* set new dpll dividers _after_ in bypass */
+ ldr r4, omap243x_ssp_pll_div @ get addr
+ str r0, [r4] @ set dpll ctrl val
+
+ ldr r4, omap243x_ssp_set_config @ get addr
+ mov r8, #1 @ valid cfg msk
+ str r8, [r4] @ make dividers take
+
+ mov r4, #100 @ dead spin a bit
+wait_a_bit:
+ subs r4, r4, #1 @ dec loop
+ bne wait_a_bit @ delay done?
+
+ /* check if staying in bypass */
+ cmp r2, #0x1 @ stay in bypass?
+ beq pend @ jump over dpll relock
+
+ /* relock DPLL with new vals */
+ ldr r5, omap243x_ssp_pll_stat @ get addr
+ ldr r4, omap243x_ssp_pll_ctl @ get addr
+ orr r8, r7, #0x3 @ val for lock dpll
+ str r8, [r4] @ set val
+ mov r0, #1000 @ dead spin a bit
+wait_more:
+ subs r0, r0, #1 @ dec loop
+ bne wait_more @ delay done?
+wait_lock:
+ ldr r8, [r5] @ get lock val
+ and r8, r8, #3 @ isolate field
+ cmp r8, #2 @ locked?
+ bne wait_lock @ wait if not
+pend:
+ /* update memory timings & briefly lock dll */
+ ldr r4, omap243x_ssp_sdrc_rfr @ get addr
+ str r1, [r4] @ update refresh timing
+ ldr r11, omap243x_ssp_dlla_ctrl @ get addr of DLLA ctrl
+ ldr r10, [r11] @ get current val
+ mvn r9, #0x4 @ mask to get clear bit2
+ and r10, r10, r9 @ clear bit2 for lock mode
+ orr r10, r10, #0x8 @ make sure DLL on (es2 bit pos)
+ str r10, [r11] @ commit to DLLA_CTRL
+ add r11, r11, #0x8 @ move to dllb
+ str r10, [r11] @ hit DLLB also
+
+ mov r4, #0x800 @ relock time (min 0x400 L3 clocks)
+wait_dll_lock:
+ subs r4, r4, #0x1
+ bne wait_dll_lock
+ nop
+ ldmfd sp!, {r0-r12, pc} @ restore regs and return
+
+omap243x_ssp_set_config:
+ .word OMAP243X_PRCM_CLKCFG_CTRL
+omap243x_ssp_pll_ctl:
+ .word OMAP2430_CM_REGADDR(PLL_MOD, CM_CLKEN)
+omap243x_ssp_pll_stat:
+ .word OMAP2430_CM_REGADDR(PLL_MOD, CM_IDLEST)
+omap243x_ssp_pll_div:
+ .word OMAP2430_CM_REGADDR(PLL_MOD, CM_CLKSEL1)
+omap243x_ssp_sdrc_rfr:
+ .word OMAP243X_SDRC_REGADDR(SDRC_RFR_CTRL_0)
+omap243x_ssp_dlla_ctrl:
+ .word OMAP243X_SDRC_REGADDR(SDRC_DLLA_CTRL)
+
+ENTRY(omap243x_sram_set_prcm_sz)
+ .word . - omap243x_sram_set_prcm
diff --git a/arch/arm/mach-omap2/timer-gp.c b/arch/arm/mach-omap2/timer-gp.c
index 78d05f203ff..557603f9931 100644
--- a/arch/arm/mach-omap2/timer-gp.c
+++ b/arch/arm/mach-omap2/timer-gp.c
@@ -59,8 +59,7 @@ static struct irqaction omap2_gp_timer_irq = {
static int omap2_gp_timer_set_next_event(unsigned long cycles,
struct clock_event_device *evt)
{
- omap_dm_timer_set_load(gptimer, 0, 0xffffffff - cycles);
- omap_dm_timer_start(gptimer);
+ omap_dm_timer_set_load_start(gptimer, 0, 0xffffffff - cycles);
return 0;
}
@@ -77,8 +76,7 @@ static void omap2_gp_timer_set_mode(enum clock_event_mode mode,
period = clk_get_rate(omap_dm_timer_get_fclk(gptimer)) / HZ;
period -= 1;
- omap_dm_timer_set_load(gptimer, 1, 0xffffffff - period);
- omap_dm_timer_start(gptimer);
+ omap_dm_timer_set_load_start(gptimer, 1, 0xffffffff - period);
break;
case CLOCK_EVT_MODE_ONESHOT:
break;
@@ -172,8 +170,7 @@ static void __init omap2_gp_clocksource_init(void)
tick_rate = clk_get_rate(omap_dm_timer_get_fclk(gpt));
tick_period = (tick_rate / HZ) - 1;
- omap_dm_timer_set_load(gpt, 1, 0);
- omap_dm_timer_start(gpt);
+ omap_dm_timer_set_load_start(gpt, 1, 0);
clocksource_gpt.mult =
clocksource_khz2mult(tick_rate/1000, clocksource_gpt.shift);
diff --git a/arch/arm/mach-orion5x/Kconfig b/arch/arm/mach-orion5x/Kconfig
index 93debf33615..ddcd41b15d1 100644
--- a/arch/arm/mach-orion5x/Kconfig
+++ b/arch/arm/mach-orion5x/Kconfig
@@ -44,6 +44,54 @@ config MACH_LINKSTATION_PRO
Buffalo Linkstation Pro/Live platform. Both v1 and
v2 devices are supported.
+config MACH_TS409
+ bool "QNAP TS-409"
+ help
+ Say 'Y' here if you want your kernel to support the
+ QNAP TS-409 platform.
+
+config MACH_WRT350N_V2
+ bool "Linksys WRT350N v2"
+ help
+ Say 'Y' here if you want your kernel to support the
+ Linksys WRT350N v2 platform.
+
+config MACH_TS78XX
+ bool "Technologic Systems TS-78xx"
+ help
+ Say 'Y' here if you want your kernel to support the
+ Technologic Systems TS-78xx platform.
+
+config MACH_MV2120
+ bool "HP Media Vault mv2120"
+ help
+ Say 'Y' here if you want your kernel to support the
+ HP Media Vault mv2120 or mv5100.
+
+config MACH_MSS2
+ bool "Maxtor Shared Storage II"
+ help
+ Say 'Y' here if you want your kernel to support the
+ Maxtor Shared Storage II platform.
+
+config MACH_WNR854T
+ bool "Netgear WNR854T"
+ help
+ Say 'Y' here if you want your kernel to support the
+ Netgear WNR854T platform.
+
+config MACH_RD88F5181L_GE
+ bool "Marvell Orion-VoIP GE Reference Design"
+ help
+ Say 'Y' here if you want your kernel to support the
+ Marvell Orion-VoIP GE (88F5181L) RD.
+
+config MACH_RD88F5181L_FXO
+ bool "Marvell Orion-VoIP FXO Reference Design"
+ help
+ Say 'Y' here if you want your kernel to support the
+ Marvell Orion-VoIP FXO (88F5181L) RD.
+
endmenu
endif
diff --git a/arch/arm/mach-orion5x/Makefile b/arch/arm/mach-orion5x/Makefile
index 9301bf55910..fcc48a8864f 100644
--- a/arch/arm/mach-orion5x/Makefile
+++ b/arch/arm/mach-orion5x/Makefile
@@ -1,7 +1,15 @@
-obj-y += common.o addr-map.o pci.o gpio.o irq.o
+obj-y += common.o addr-map.o pci.o gpio.o irq.o mpp.o
obj-$(CONFIG_MACH_DB88F5281) += db88f5281-setup.o
obj-$(CONFIG_MACH_RD88F5182) += rd88f5182-setup.o
obj-$(CONFIG_MACH_KUROBOX_PRO) += kurobox_pro-setup.o
obj-$(CONFIG_MACH_LINKSTATION_PRO) += kurobox_pro-setup.o
obj-$(CONFIG_MACH_DNS323) += dns323-setup.o
-obj-$(CONFIG_MACH_TS209) += ts209-setup.o
+obj-$(CONFIG_MACH_TS209) += ts209-setup.o tsx09-common.o
+obj-$(CONFIG_MACH_TS409) += ts409-setup.o tsx09-common.o
+obj-$(CONFIG_MACH_WRT350N_V2) += wrt350n-v2-setup.o
+obj-$(CONFIG_MACH_TS78XX) += ts78xx-setup.o
+obj-$(CONFIG_MACH_MV2120) += mv2120-setup.o
+obj-$(CONFIG_MACH_MSS2) += mss2-setup.o
+obj-$(CONFIG_MACH_WNR854T) += wnr854t-setup.o
+obj-$(CONFIG_MACH_RD88F5181L_GE) += rd88f5181l-ge-setup.o
+obj-$(CONFIG_MACH_RD88F5181L_FXO) += rd88f5181l-fxo-setup.o
diff --git a/arch/arm/mach-orion5x/addr-map.c b/arch/arm/mach-orion5x/addr-map.c
index e63fb05dc89..6f0dbda6c44 100644
--- a/arch/arm/mach-orion5x/addr-map.c
+++ b/arch/arm/mach-orion5x/addr-map.c
@@ -70,6 +70,7 @@
struct mbus_dram_target_info orion5x_mbus_dram_info;
+static int __initdata win_alloc_count;
static int __init orion5x_cpu_win_can_remap(int win)
{
@@ -87,16 +88,22 @@ static int __init orion5x_cpu_win_can_remap(int win)
static void __init setup_cpu_win(int win, u32 base, u32 size,
u8 target, u8 attr, int remap)
{
- orion5x_write(CPU_WIN_BASE(win), base & 0xffff0000);
- orion5x_write(CPU_WIN_CTRL(win),
- ((size - 1) & 0xffff0000) | (attr << 8) | (target << 4) | 1);
+ if (win >= 8) {
+ printk(KERN_ERR "setup_cpu_win: trying to allocate "
+ "window %d\n", win);
+ return;
+ }
+
+ writel(base & 0xffff0000, CPU_WIN_BASE(win));
+ writel(((size - 1) & 0xffff0000) | (attr << 8) | (target << 4) | 1,
+ CPU_WIN_CTRL(win));
if (orion5x_cpu_win_can_remap(win)) {
if (remap < 0)
remap = base;
- orion5x_write(CPU_WIN_REMAP_LO(win), remap & 0xffff0000);
- orion5x_write(CPU_WIN_REMAP_HI(win), 0);
+ writel(remap & 0xffff0000, CPU_WIN_REMAP_LO(win));
+ writel(0, CPU_WIN_REMAP_HI(win));
}
}
@@ -109,11 +116,11 @@ void __init orion5x_setup_cpu_mbus_bridge(void)
* First, disable and clear windows.
*/
for (i = 0; i < 8; i++) {
- orion5x_write(CPU_WIN_BASE(i), 0);
- orion5x_write(CPU_WIN_CTRL(i), 0);
+ writel(0, CPU_WIN_BASE(i));
+ writel(0, CPU_WIN_CTRL(i));
if (orion5x_cpu_win_can_remap(i)) {
- orion5x_write(CPU_WIN_REMAP_LO(i), 0);
- orion5x_write(CPU_WIN_REMAP_HI(i), 0);
+ writel(0, CPU_WIN_REMAP_LO(i));
+ writel(0, CPU_WIN_REMAP_HI(i));
}
}
@@ -128,6 +135,7 @@ void __init orion5x_setup_cpu_mbus_bridge(void)
TARGET_PCIE, ATTR_PCIE_MEM, -1);
setup_cpu_win(3, ORION5X_PCI_MEM_PHYS_BASE, ORION5X_PCI_MEM_SIZE,
TARGET_PCI, ATTR_PCI_MEM, -1);
+ win_alloc_count = 4;
/*
* Setup MBUS dram target info.
@@ -147,8 +155,8 @@ void __init orion5x_setup_cpu_mbus_bridge(void)
w = &orion5x_mbus_dram_info.cs[cs++];
w->cs_index = i;
w->mbus_attr = 0xf & ~(1 << i);
- w->base = base & 0xff000000;
- w->size = (size | 0x00ffffff) + 1;
+ w->base = base & 0xffff0000;
+ w->size = (size | 0x0000ffff) + 1;
}
}
orion5x_mbus_dram_info.num_cs = cs;
@@ -156,25 +164,30 @@ void __init orion5x_setup_cpu_mbus_bridge(void)
void __init orion5x_setup_dev_boot_win(u32 base, u32 size)
{
- setup_cpu_win(4, base, size, TARGET_DEV_BUS, ATTR_DEV_BOOT, -1);
+ setup_cpu_win(win_alloc_count++, base, size,
+ TARGET_DEV_BUS, ATTR_DEV_BOOT, -1);
}
void __init orion5x_setup_dev0_win(u32 base, u32 size)
{
- setup_cpu_win(5, base, size, TARGET_DEV_BUS, ATTR_DEV_CS0, -1);
+ setup_cpu_win(win_alloc_count++, base, size,
+ TARGET_DEV_BUS, ATTR_DEV_CS0, -1);
}
void __init orion5x_setup_dev1_win(u32 base, u32 size)
{
- setup_cpu_win(6, base, size, TARGET_DEV_BUS, ATTR_DEV_CS1, -1);
+ setup_cpu_win(win_alloc_count++, base, size,
+ TARGET_DEV_BUS, ATTR_DEV_CS1, -1);
}
void __init orion5x_setup_dev2_win(u32 base, u32 size)
{
- setup_cpu_win(7, base, size, TARGET_DEV_BUS, ATTR_DEV_CS2, -1);
+ setup_cpu_win(win_alloc_count++, base, size,
+ TARGET_DEV_BUS, ATTR_DEV_CS2, -1);
}
void __init orion5x_setup_pcie_wa_win(u32 base, u32 size)
{
- setup_cpu_win(7, base, size, TARGET_PCIE, ATTR_PCIE_WA, -1);
+ setup_cpu_win(win_alloc_count++, base, size,
+ TARGET_PCIE, ATTR_PCIE_WA, -1);
}
diff --git a/arch/arm/mach-orion5x/common.c b/arch/arm/mach-orion5x/common.c
index 4f13fd037f0..faf4e321191 100644
--- a/arch/arm/mach-orion5x/common.c
+++ b/arch/arm/mach-orion5x/common.c
@@ -39,25 +39,22 @@ static struct map_desc orion5x_io_desc[] __initdata = {
.virtual = ORION5X_REGS_VIRT_BASE,
.pfn = __phys_to_pfn(ORION5X_REGS_PHYS_BASE),
.length = ORION5X_REGS_SIZE,
- .type = MT_DEVICE
- },
- {
+ .type = MT_DEVICE,
+ }, {
.virtual = ORION5X_PCIE_IO_VIRT_BASE,
.pfn = __phys_to_pfn(ORION5X_PCIE_IO_PHYS_BASE),
.length = ORION5X_PCIE_IO_SIZE,
- .type = MT_DEVICE
- },
- {
+ .type = MT_DEVICE,
+ }, {
.virtual = ORION5X_PCI_IO_VIRT_BASE,
.pfn = __phys_to_pfn(ORION5X_PCI_IO_PHYS_BASE),
.length = ORION5X_PCI_IO_SIZE,
- .type = MT_DEVICE
- },
- {
+ .type = MT_DEVICE,
+ }, {
.virtual = ORION5X_PCIE_WA_VIRT_BASE,
.pfn = __phys_to_pfn(ORION5X_PCIE_WA_PHYS_BASE),
.length = ORION5X_PCIE_WA_SIZE,
- .type = MT_DEVICE
+ .type = MT_DEVICE,
},
};
@@ -66,101 +63,32 @@ void __init orion5x_map_io(void)
iotable_init(orion5x_io_desc, ARRAY_SIZE(orion5x_io_desc));
}
+
/*****************************************************************************
- * UART
+ * EHCI
****************************************************************************/
-
-static struct resource orion5x_uart_resources[] = {
- {
- .start = UART0_PHYS_BASE,
- .end = UART0_PHYS_BASE + 0xff,
- .flags = IORESOURCE_MEM,
- },
- {
- .start = IRQ_ORION5X_UART0,
- .end = IRQ_ORION5X_UART0,
- .flags = IORESOURCE_IRQ,
- },
- {
- .start = UART1_PHYS_BASE,
- .end = UART1_PHYS_BASE + 0xff,
- .flags = IORESOURCE_MEM,
- },
- {
- .start = IRQ_ORION5X_UART1,
- .end = IRQ_ORION5X_UART1,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct plat_serial8250_port orion5x_uart_data[] = {
- {
- .mapbase = UART0_PHYS_BASE,
- .membase = (char *)UART0_VIRT_BASE,
- .irq = IRQ_ORION5X_UART0,
- .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
- .iotype = UPIO_MEM,
- .regshift = 2,
- .uartclk = ORION5X_TCLK,
- },
- {
- .mapbase = UART1_PHYS_BASE,
- .membase = (char *)UART1_VIRT_BASE,
- .irq = IRQ_ORION5X_UART1,
- .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
- .iotype = UPIO_MEM,
- .regshift = 2,
- .uartclk = ORION5X_TCLK,
- },
- { },
+static struct orion_ehci_data orion5x_ehci_data = {
+ .dram = &orion5x_mbus_dram_info,
};
-static struct platform_device orion5x_uart = {
- .name = "serial8250",
- .id = PLAT8250_DEV_PLATFORM,
- .dev = {
- .platform_data = orion5x_uart_data,
- },
- .resource = orion5x_uart_resources,
- .num_resources = ARRAY_SIZE(orion5x_uart_resources),
-};
+static u64 ehci_dmamask = 0xffffffffUL;
-/*******************************************************************************
- * USB Controller - 2 interfaces
- ******************************************************************************/
+/*****************************************************************************
+ * EHCI0
+ ****************************************************************************/
static struct resource orion5x_ehci0_resources[] = {
{
.start = ORION5X_USB0_PHYS_BASE,
.end = ORION5X_USB0_PHYS_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
- },
- {
+ }, {
.start = IRQ_ORION5X_USB0_CTRL,
.end = IRQ_ORION5X_USB0_CTRL,
.flags = IORESOURCE_IRQ,
},
};
-static struct resource orion5x_ehci1_resources[] = {
- {
- .start = ORION5X_USB1_PHYS_BASE,
- .end = ORION5X_USB1_PHYS_BASE + SZ_4K - 1,
- .flags = IORESOURCE_MEM,
- },
- {
- .start = IRQ_ORION5X_USB1_CTRL,
- .end = IRQ_ORION5X_USB1_CTRL,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct orion_ehci_data orion5x_ehci_data = {
- .dram = &orion5x_mbus_dram_info,
-};
-
-static u64 ehci_dmamask = 0xffffffffUL;
-
static struct platform_device orion5x_ehci0 = {
.name = "orion-ehci",
.id = 0,
@@ -173,6 +101,27 @@ static struct platform_device orion5x_ehci0 = {
.num_resources = ARRAY_SIZE(orion5x_ehci0_resources),
};
+void __init orion5x_ehci0_init(void)
+{
+ platform_device_register(&orion5x_ehci0);
+}
+
+
+/*****************************************************************************
+ * EHCI1
+ ****************************************************************************/
+static struct resource orion5x_ehci1_resources[] = {
+ {
+ .start = ORION5X_USB1_PHYS_BASE,
+ .end = ORION5X_USB1_PHYS_BASE + SZ_4K - 1,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = IRQ_ORION5X_USB1_CTRL,
+ .end = IRQ_ORION5X_USB1_CTRL,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
static struct platform_device orion5x_ehci1 = {
.name = "orion-ehci",
.id = 1,
@@ -185,11 +134,15 @@ static struct platform_device orion5x_ehci1 = {
.num_resources = ARRAY_SIZE(orion5x_ehci1_resources),
};
+void __init orion5x_ehci1_init(void)
+{
+ platform_device_register(&orion5x_ehci1);
+}
+
+
/*****************************************************************************
- * Gigabit Ethernet port
- * (The Orion and Discovery (MV643xx) families use the same Ethernet driver)
+ * GigE
****************************************************************************/
-
struct mv643xx_eth_shared_platform_data orion5x_eth_shared_data = {
.dram = &orion5x_mbus_dram_info,
.t_clk = ORION5X_TCLK,
@@ -219,7 +172,7 @@ static struct resource orion5x_eth_resources[] = {
.start = IRQ_ORION5X_ETH_SUM,
.end = IRQ_ORION5X_ETH_SUM,
.flags = IORESOURCE_IRQ,
- }
+ },
};
static struct platform_device orion5x_eth = {
@@ -238,11 +191,10 @@ void __init orion5x_eth_init(struct mv643xx_eth_platform_data *eth_data)
platform_device_register(&orion5x_eth);
}
+
/*****************************************************************************
- * I2C controller
- * (The Orion and Discovery (MV643xx) families share the same I2C controller)
+ * I2C
****************************************************************************/
-
static struct mv64xxx_i2c_pdata orion5x_i2c_pdata = {
.freq_m = 8, /* assumes 166 MHz TCLK */
.freq_n = 3,
@@ -251,16 +203,15 @@ static struct mv64xxx_i2c_pdata orion5x_i2c_pdata = {
static struct resource orion5x_i2c_resources[] = {
{
- .name = "i2c base",
- .start = I2C_PHYS_BASE,
- .end = I2C_PHYS_BASE + 0x20 -1,
- .flags = IORESOURCE_MEM,
- },
- {
- .name = "i2c irq",
- .start = IRQ_ORION5X_I2C,
- .end = IRQ_ORION5X_I2C,
- .flags = IORESOURCE_IRQ,
+ .name = "i2c base",
+ .start = I2C_PHYS_BASE,
+ .end = I2C_PHYS_BASE + 0x1f,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .name = "i2c irq",
+ .start = IRQ_ORION5X_I2C,
+ .end = IRQ_ORION5X_I2C,
+ .flags = IORESOURCE_IRQ,
},
};
@@ -270,36 +221,41 @@ static struct platform_device orion5x_i2c = {
.num_resources = ARRAY_SIZE(orion5x_i2c_resources),
.resource = orion5x_i2c_resources,
.dev = {
- .platform_data = &orion5x_i2c_pdata,
+ .platform_data = &orion5x_i2c_pdata,
},
};
+void __init orion5x_i2c_init(void)
+{
+ platform_device_register(&orion5x_i2c);
+}
+
+
/*****************************************************************************
- * Sata port
+ * SATA
****************************************************************************/
static struct resource orion5x_sata_resources[] = {
- {
- .name = "sata base",
- .start = ORION5X_SATA_PHYS_BASE,
- .end = ORION5X_SATA_PHYS_BASE + 0x5000 - 1,
- .flags = IORESOURCE_MEM,
- },
{
- .name = "sata irq",
- .start = IRQ_ORION5X_SATA,
- .end = IRQ_ORION5X_SATA,
- .flags = IORESOURCE_IRQ,
- },
+ .name = "sata base",
+ .start = ORION5X_SATA_PHYS_BASE,
+ .end = ORION5X_SATA_PHYS_BASE + 0x5000 - 1,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .name = "sata irq",
+ .start = IRQ_ORION5X_SATA,
+ .end = IRQ_ORION5X_SATA,
+ .flags = IORESOURCE_IRQ,
+ },
};
static struct platform_device orion5x_sata = {
- .name = "sata_mv",
- .id = 0,
+ .name = "sata_mv",
+ .id = 0,
.dev = {
.coherent_dma_mask = 0xffffffff,
},
- .num_resources = ARRAY_SIZE(orion5x_sata_resources),
- .resource = orion5x_sata_resources,
+ .num_resources = ARRAY_SIZE(orion5x_sata_resources),
+ .resource = orion5x_sata_resources,
};
void __init orion5x_sata_init(struct mv_sata_platform_data *sata_data)
@@ -309,23 +265,111 @@ void __init orion5x_sata_init(struct mv_sata_platform_data *sata_data)
platform_device_register(&orion5x_sata);
}
+
/*****************************************************************************
- * Time handling
+ * UART0
+ ****************************************************************************/
+static struct plat_serial8250_port orion5x_uart0_data[] = {
+ {
+ .mapbase = UART0_PHYS_BASE,
+ .membase = (char *)UART0_VIRT_BASE,
+ .irq = IRQ_ORION5X_UART0,
+ .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
+ .iotype = UPIO_MEM,
+ .regshift = 2,
+ .uartclk = ORION5X_TCLK,
+ }, {
+ },
+};
+
+static struct resource orion5x_uart0_resources[] = {
+ {
+ .start = UART0_PHYS_BASE,
+ .end = UART0_PHYS_BASE + 0xff,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = IRQ_ORION5X_UART0,
+ .end = IRQ_ORION5X_UART0,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device orion5x_uart0 = {
+ .name = "serial8250",
+ .id = PLAT8250_DEV_PLATFORM,
+ .dev = {
+ .platform_data = orion5x_uart0_data,
+ },
+ .resource = orion5x_uart0_resources,
+ .num_resources = ARRAY_SIZE(orion5x_uart0_resources),
+};
+
+void __init orion5x_uart0_init(void)
+{
+ platform_device_register(&orion5x_uart0);
+}
+
+
+/*****************************************************************************
+ * UART1
****************************************************************************/
+static struct plat_serial8250_port orion5x_uart1_data[] = {
+ {
+ .mapbase = UART1_PHYS_BASE,
+ .membase = (char *)UART1_VIRT_BASE,
+ .irq = IRQ_ORION5X_UART1,
+ .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
+ .iotype = UPIO_MEM,
+ .regshift = 2,
+ .uartclk = ORION5X_TCLK,
+ }, {
+ },
+};
+
+static struct resource orion5x_uart1_resources[] = {
+ {
+ .start = UART1_PHYS_BASE,
+ .end = UART1_PHYS_BASE + 0xff,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = IRQ_ORION5X_UART1,
+ .end = IRQ_ORION5X_UART1,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device orion5x_uart1 = {
+ .name = "serial8250",
+ .id = PLAT8250_DEV_PLATFORM1,
+ .dev = {
+ .platform_data = orion5x_uart1_data,
+ },
+ .resource = orion5x_uart1_resources,
+ .num_resources = ARRAY_SIZE(orion5x_uart1_resources),
+};
+
+void __init orion5x_uart1_init(void)
+{
+ platform_device_register(&orion5x_uart1);
+}
+
+/*****************************************************************************
+ * Time handling
+ ****************************************************************************/
static void orion5x_timer_init(void)
{
orion_time_init(IRQ_ORION5X_BRIDGE, ORION5X_TCLK);
}
struct sys_timer orion5x_timer = {
- .init = orion5x_timer_init,
+ .init = orion5x_timer_init,
};
+
/*****************************************************************************
* General
****************************************************************************/
-
/*
* Identify device ID and rev from PCIe configuration header space '0'.
*/
@@ -350,8 +394,10 @@ static void __init orion5x_id(u32 *dev, u32 *rev, char **dev_name)
} else if (*dev == MV88F5181_DEV_ID) {
if (*rev == MV88F5181_REV_B1) {
*dev_name = "MV88F5181-Rev-B1";
+ } else if (*rev == MV88F5181L_REV_A1) {
+ *dev_name = "MV88F5181L-Rev-A1";
} else {
- *dev_name = "MV88F5181-Rev-Unsupported";
+ *dev_name = "MV88F5181(L)-Rev-Unsupported";
}
} else {
*dev_name = "Device-Unknown";
@@ -370,15 +416,6 @@ void __init orion5x_init(void)
* Setup Orion address map
*/
orion5x_setup_cpu_mbus_bridge();
-
- /*
- * Register devices.
- */
- platform_device_register(&orion5x_uart);
- platform_device_register(&orion5x_ehci0);
- if (dev == MV88F5182_DEV_ID)
- platform_device_register(&orion5x_ehci1);
- platform_device_register(&orion5x_i2c);
}
/*
diff --git a/arch/arm/mach-orion5x/common.h b/arch/arm/mach-orion5x/common.h
index bd0f05de6e1..f72cf0e7754 100644
--- a/arch/arm/mach-orion5x/common.h
+++ b/arch/arm/mach-orion5x/common.h
@@ -1,10 +1,12 @@
#ifndef __ARCH_ORION5X_COMMON_H
#define __ARCH_ORION5X_COMMON_H
+struct mv643xx_eth_platform_data;
+struct mv_sata_platform_data;
+
/*
* Basic Orion init functions used early by machine-setup.
*/
-
void orion5x_map_io(void);
void orion5x_init_irq(void);
void orion5x_init(void);
@@ -23,15 +25,22 @@ void orion5x_setup_dev1_win(u32 base, u32 size);
void orion5x_setup_dev2_win(u32 base, u32 size);
void orion5x_setup_pcie_wa_win(u32 base, u32 size);
+void orion5x_ehci0_init(void);
+void orion5x_ehci1_init(void);
+void orion5x_eth_init(struct mv643xx_eth_platform_data *eth_data);
+void orion5x_i2c_init(void);
+void orion5x_sata_init(struct mv_sata_platform_data *sata_data);
+void orion5x_uart0_init(void);
+void orion5x_uart1_init(void);
+
/*
- * Shared code used internally by other Orion core functions.
- * (/mach-orion/pci.c)
+ * PCIe/PCI functions.
*/
-
-struct pci_sys_data;
struct pci_bus;
+struct pci_sys_data;
void orion5x_pcie_id(u32 *dev, u32 *rev);
+void orion5x_pci_set_cardbus_mode(void);
int orion5x_pci_sys_setup(int nr, struct pci_sys_data *sys);
struct pci_bus *orion5x_pci_sys_scan_bus(int nr, struct pci_sys_data *sys);
int orion5x_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin);
@@ -40,26 +49,9 @@ int orion5x_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin);
* Valid GPIO pins according to MPP setup, used by machine-setup.
* (/mach-orion/gpio.c).
*/
-
-void orion5x_gpio_set_valid_pins(u32 pins);
+void orion5x_gpio_set_valid(unsigned pin, int valid);
void gpio_display(void); /* debug */
-/*
- * Pull in Orion Ethernet platform_data, used by machine-setup
- */
-
-struct mv643xx_eth_platform_data;
-
-void orion5x_eth_init(struct mv643xx_eth_platform_data *eth_data);
-
-/*
- * Orion Sata platform_data, used by machine-setup
- */
-
-struct mv_sata_platform_data;
-
-void orion5x_sata_init(struct mv_sata_platform_data *sata_data);
-
struct machine_desc;
struct meminfo;
struct tag;
diff --git a/arch/arm/mach-orion5x/db88f5281-setup.c b/arch/arm/mach-orion5x/db88f5281-setup.c
index 44c64342dac..88405e74e5e 100644
--- a/arch/arm/mach-orion5x/db88f5281-setup.c
+++ b/arch/arm/mach-orion5x/db88f5281-setup.c
@@ -27,6 +27,7 @@
#include <asm/arch/orion5x.h>
#include <asm/plat-orion/orion_nand.h>
#include "common.h"
+#include "mpp.h"
/*****************************************************************************
* DB-88F5281 on board devices
@@ -86,7 +87,7 @@ static struct platform_device db88f5281_boot_flash = {
.name = "physmap-flash",
.id = 0,
.dev = {
- .platform_data = &db88f5281_boot_flash_data,
+ .platform_data = &db88f5281_boot_flash_data,
},
.num_resources = 1,
.resource = &db88f5281_boot_flash_resource,
@@ -110,7 +111,7 @@ static struct platform_device db88f5281_nor_flash = {
.name = "physmap-flash",
.id = 1,
.dev = {
- .platform_data = &db88f5281_nor_flash_data,
+ .platform_data = &db88f5281_nor_flash_data,
},
.num_resources = 1,
.resource = &db88f5281_nor_flash_resource,
@@ -125,18 +126,15 @@ static struct mtd_partition db88f5281_nand_parts[] = {
.name = "kernel",
.offset = 0,
.size = SZ_2M,
- },
- {
+ }, {
.name = "root",
.offset = SZ_2M,
.size = (SZ_16M - SZ_2M),
- },
- {
+ }, {
.name = "user",
.offset = SZ_16M,
.size = SZ_8M,
- },
- {
+ }, {
.name = "recovery",
.offset = (SZ_16M + SZ_8M),
.size = SZ_8M,
@@ -288,7 +286,6 @@ subsys_initcall(db88f5281_pci_init);
****************************************************************************/
static struct mv643xx_eth_platform_data db88f5281_eth_data = {
.phy_addr = 8,
- .force_phy_addr = 1,
};
/*****************************************************************************
@@ -301,11 +298,28 @@ static struct i2c_board_info __initdata db88f5281_i2c_rtc = {
/*****************************************************************************
* General Setup
****************************************************************************/
-
-static struct platform_device *db88f5281_devs[] __initdata = {
- &db88f5281_boot_flash,
- &db88f5281_nor_flash,
- &db88f5281_nand_flash,
+static struct orion5x_mpp_mode db88f5281_mpp_modes[] __initdata = {
+ { 0, MPP_GPIO }, /* USB Over Current */
+ { 1, MPP_GPIO }, /* USB Vbat input */
+ { 2, MPP_PCI_ARB }, /* PCI_REQn[2] */
+ { 3, MPP_PCI_ARB }, /* PCI_GNTn[2] */
+ { 4, MPP_PCI_ARB }, /* PCI_REQn[3] */
+ { 5, MPP_PCI_ARB }, /* PCI_GNTn[3] */
+ { 6, MPP_GPIO }, /* JP0, CON17.2 */
+ { 7, MPP_GPIO }, /* JP1, CON17.1 */
+ { 8, MPP_GPIO }, /* JP2, CON11.2 */
+ { 9, MPP_GPIO }, /* JP3, CON11.3 */
+ { 10, MPP_GPIO }, /* RTC int */
+ { 11, MPP_GPIO }, /* Baud Rate Generator */
+ { 12, MPP_GPIO }, /* PCI int 1 */
+ { 13, MPP_GPIO }, /* PCI int 2 */
+ { 14, MPP_NAND }, /* NAND_REn[2] */
+ { 15, MPP_NAND }, /* NAND_WEn[2] */
+ { 16, MPP_UART }, /* UART1_RX */
+ { 17, MPP_UART }, /* UART1_TX */
+ { 18, MPP_UART }, /* UART1_CTSn */
+ { 19, MPP_UART }, /* UART1_RTSn */
+ { -1 },
};
static void __init db88f5281_init(void)
@@ -315,39 +329,31 @@ static void __init db88f5281_init(void)
*/
orion5x_init();
+ orion5x_mpp_conf(db88f5281_mpp_modes);
+ writel(0, MPP_DEV_CTRL); /* DEV_D[31:16] */
+
/*
- * Setup the CPU address decode windows for our on-board devices
+ * Configure peripherals.
*/
+ orion5x_ehci0_init();
+ orion5x_eth_init(&db88f5281_eth_data);
+ orion5x_i2c_init();
+ orion5x_uart0_init();
+ orion5x_uart1_init();
+
orion5x_setup_dev_boot_win(DB88F5281_NOR_BOOT_BASE,
DB88F5281_NOR_BOOT_SIZE);
+ platform_device_register(&db88f5281_boot_flash);
+
orion5x_setup_dev0_win(DB88F5281_7SEG_BASE, DB88F5281_7SEG_SIZE);
- orion5x_setup_dev1_win(DB88F5281_NOR_BASE, DB88F5281_NOR_SIZE);
- orion5x_setup_dev2_win(DB88F5281_NAND_BASE, DB88F5281_NAND_SIZE);
- /*
- * Setup Multiplexing Pins:
- * MPP0: GPIO (USB Over Current) MPP1: GPIO (USB Vbat input)
- * MPP2: PCI_REQn[2] MPP3: PCI_GNTn[2]
- * MPP4: PCI_REQn[3] MPP5: PCI_GNTn[3]
- * MPP6: GPIO (JP0, CON17.2) MPP7: GPIO (JP1, CON17.1)
- * MPP8: GPIO (JP2, CON11.2) MPP9: GPIO (JP3, CON11.3)
- * MPP10: GPIO (RTC int) MPP11: GPIO (Baud Rate Generator)
- * MPP12: GPIO (PCI int 1) MPP13: GPIO (PCI int 2)
- * MPP14: NAND_REn[2] MPP15: NAND_WEn[2]
- * MPP16: UART1_RX MPP17: UART1_TX
- * MPP18: UART1_CTS MPP19: UART1_RTS
- * MPP-DEV: DEV_D[16:31]
- */
- orion5x_write(MPP_0_7_CTRL, 0x00222203);
- orion5x_write(MPP_8_15_CTRL, 0x44000000);
- orion5x_write(MPP_16_19_CTRL, 0);
- orion5x_write(MPP_DEV_CTRL, 0);
+ orion5x_setup_dev1_win(DB88F5281_NOR_BASE, DB88F5281_NOR_SIZE);
+ platform_device_register(&db88f5281_nor_flash);
- orion5x_gpio_set_valid_pins(0x00003fc3);
+ orion5x_setup_dev2_win(DB88F5281_NAND_BASE, DB88F5281_NAND_SIZE);
+ platform_device_register(&db88f5281_nand_flash);
- platform_add_devices(db88f5281_devs, ARRAY_SIZE(db88f5281_devs));
i2c_register_board_info(0, &db88f5281_i2c_rtc, 1);
- orion5x_eth_init(&db88f5281_eth_data);
}
MACHINE_START(DB88F5281, "Marvell Orion-2 Development Board")
diff --git a/arch/arm/mach-orion5x/dns323-setup.c b/arch/arm/mach-orion5x/dns323-setup.c
index 27ce967ab9e..3791ca6f001 100644
--- a/arch/arm/mach-orion5x/dns323-setup.c
+++ b/arch/arm/mach-orion5x/dns323-setup.c
@@ -27,6 +27,7 @@
#include <asm/mach/pci.h>
#include <asm/arch/orion5x.h>
#include "common.h"
+#include "mpp.h"
#define DNS323_GPIO_LED_RIGHT_AMBER 1
#define DNS323_GPIO_LED_LEFT_AMBER 2
@@ -52,8 +53,6 @@ static int __init dns323_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
if (irq != -1)
return irq;
- pr_err("%s: requested mapping for unknown device\n", __func__);
-
return -1;
}
@@ -81,7 +80,6 @@ subsys_initcall(dns323_pci_init);
static struct mv643xx_eth_platform_data dns323_eth_data = {
.phy_addr = 8,
- .force_phy_addr = 1,
};
/****************************************************************************
@@ -119,7 +117,7 @@ static struct mtd_partition dns323_partitions[] = {
.name = "u-boot",
.size = 0x00030000,
.offset = 0x007d0000,
- }
+ },
};
static struct physmap_flash_data dns323_nor_flash_data = {
@@ -137,7 +135,9 @@ static struct resource dns323_nor_flash_resource = {
static struct platform_device dns323_nor_flash = {
.name = "physmap-flash",
.id = 0,
- .dev = { .platform_data = &dns323_nor_flash_data, },
+ .dev = {
+ .platform_data = &dns323_nor_flash_data,
+ },
.resource = &dns323_nor_flash_resource,
.num_resources = 1,
};
@@ -170,7 +170,9 @@ static struct gpio_led_platform_data dns323_led_data = {
static struct platform_device dns323_gpio_leds = {
.name = "leds-gpio",
.id = -1,
- .dev = { .platform_data = &dns323_led_data, },
+ .dev = {
+ .platform_data = &dns323_led_data,
+ },
};
/****************************************************************************
@@ -183,35 +185,53 @@ static struct gpio_keys_button dns323_buttons[] = {
.gpio = DNS323_GPIO_KEY_RESET,
.desc = "Reset Button",
.active_low = 1,
- },
- {
+ }, {
.code = KEY_POWER,
.gpio = DNS323_GPIO_KEY_POWER,
.desc = "Power Button",
.active_low = 1,
- }
+ },
};
static struct gpio_keys_platform_data dns323_button_data = {
.buttons = dns323_buttons,
- .nbuttons = ARRAY_SIZE(dns323_buttons),
+ .nbuttons = ARRAY_SIZE(dns323_buttons),
};
static struct platform_device dns323_button_device = {
.name = "gpio-keys",
.id = -1,
.num_resources = 0,
- .dev = { .platform_data = &dns323_button_data, },
+ .dev = {
+ .platform_data = &dns323_button_data,
+ },
};
/****************************************************************************
* General Setup
*/
-
-static struct platform_device *dns323_plat_devices[] __initdata = {
- &dns323_nor_flash,
- &dns323_gpio_leds,
- &dns323_button_device,
+static struct orion5x_mpp_mode dns323_mpp_modes[] __initdata = {
+ { 0, MPP_PCIE_RST_OUTn },
+ { 1, MPP_GPIO }, /* right amber LED (sata ch0) */
+ { 2, MPP_GPIO }, /* left amber LED (sata ch1) */
+ { 3, MPP_UNUSED },
+ { 4, MPP_GPIO }, /* power button LED */
+ { 5, MPP_GPIO }, /* power button LED */
+ { 6, MPP_GPIO }, /* GMT G751-2f overtemp */
+ { 7, MPP_GPIO }, /* M41T80 nIRQ/OUT/SQW */
+ { 8, MPP_GPIO }, /* triggers power off */
+ { 9, MPP_GPIO }, /* power button switch */
+ { 10, MPP_GPIO }, /* reset button switch */
+ { 11, MPP_UNUSED },
+ { 12, MPP_UNUSED },
+ { 13, MPP_UNUSED },
+ { 14, MPP_UNUSED },
+ { 15, MPP_UNUSED },
+ { 16, MPP_UNUSED },
+ { 17, MPP_UNUSED },
+ { 18, MPP_UNUSED },
+ { 19, MPP_UNUSED },
+ { -1 },
};
/*
@@ -225,17 +245,15 @@ static struct platform_device *dns323_plat_devices[] __initdata = {
static struct i2c_board_info __initdata dns323_i2c_devices[] = {
{
I2C_BOARD_INFO("g760a", 0x3e),
- },
#if 0
/* this entry requires the new-style driver model lm75 driver,
* for the meantime "insmod lm75.ko force_lm75=0,0x48" is needed */
- {
+ }, {
I2C_BOARD_INFO("g751", 0x48),
- },
#endif
- {
+ }, {
I2C_BOARD_INFO("m41t80", 0x68),
- }
+ },
};
/* DNS-323 specific power off method */
@@ -250,62 +268,35 @@ static void __init dns323_init(void)
/* Setup basic Orion functions. Need to be called early. */
orion5x_init();
+ orion5x_mpp_conf(dns323_mpp_modes);
+ writel(0, MPP_DEV_CTRL); /* DEV_D[31:16] */
+
+ /*
+ * Configure peripherals.
+ */
+ orion5x_ehci0_init();
+ orion5x_eth_init(&dns323_eth_data);
+ orion5x_i2c_init();
+ orion5x_uart0_init();
+
/* setup flash mapping
* CS3 holds a 8 MB Spansion S29GL064M90TFIR4
*/
orion5x_setup_dev_boot_win(DNS323_NOR_BOOT_BASE, DNS323_NOR_BOOT_SIZE);
+ platform_device_register(&dns323_nor_flash);
- /* DNS-323 has a Marvell 88X7042 SATA controller attached via PCIe
- *
- * Open a special address decode windows for the PCIe WA.
- */
- orion5x_setup_pcie_wa_win(ORION5X_PCIE_WA_PHYS_BASE,
- ORION5X_PCIE_WA_SIZE);
-
- /* set MPP to 0 as D-Link's 2.6.12.6 kernel did */
- orion5x_write(MPP_0_7_CTRL, 0);
- orion5x_write(MPP_8_15_CTRL, 0);
- orion5x_write(MPP_16_19_CTRL, 0);
- orion5x_write(MPP_DEV_CTRL, 0);
-
- /* Define used GPIO pins
-
- GPIO Map:
-
- | 0 | | PEX_RST_OUT (not controlled by GPIO)
- | 1 | Out | right amber LED (= sata ch0 LED) (low-active)
- | 2 | Out | left amber LED (= sata ch1 LED) (low-active)
- | 3 | Out | //unknown//
- | 4 | Out | power button LED (low-active, together with pin #5)
- | 5 | Out | power button LED (low-active, together with pin #4)
- | 6 | In | GMT G751-2f overtemp. shutdown signal (low-active)
- | 7 | In | M41T80 nIRQ/OUT/SQW signal
- | 8 | Out | triggers power off (high-active)
- | 9 | In | power button switch (low-active)
- | 10 | In | reset button switch (low-active)
- | 11 | Out | //unknown//
- | 12 | Out | //unknown//
- | 13 | Out | //unknown//
- | 14 | Out | //unknown//
- | 15 | Out | //unknown//
- */
- orion5x_gpio_set_valid_pins(0x07f6);
-
- /* register dns323 specific power-off method */
- if ((gpio_request(DNS323_GPIO_POWER_OFF, "POWEROFF") != 0)
- || (gpio_direction_output(DNS323_GPIO_POWER_OFF, 0) != 0))
- pr_err("DNS323: failed to setup power-off GPIO\n");
-
- pm_power_off = dns323_power_off;
+ platform_device_register(&dns323_gpio_leds);
- /* register flash and other platform devices */
- platform_add_devices(dns323_plat_devices,
- ARRAY_SIZE(dns323_plat_devices));
+ platform_device_register(&dns323_button_device);
i2c_register_board_info(0, dns323_i2c_devices,
ARRAY_SIZE(dns323_i2c_devices));
- orion5x_eth_init(&dns323_eth_data);
+ /* register dns323 specific power-off method */
+ if (gpio_request(DNS323_GPIO_POWER_OFF, "POWEROFF") != 0 ||
+ gpio_direction_output(DNS323_GPIO_POWER_OFF, 0) != 0)
+ pr_err("DNS323: failed to setup power-off GPIO\n");
+ pm_power_off = dns323_power_off;
}
/* Warning: D-Link uses a wrong mach-type (=526) in their bootloader */
diff --git a/arch/arm/mach-orion5x/gpio.c b/arch/arm/mach-orion5x/gpio.c
index 8108c316c42..d09797990f4 100644
--- a/arch/arm/mach-orion5x/gpio.c
+++ b/arch/arm/mach-orion5x/gpio.c
@@ -24,9 +24,12 @@ static DEFINE_SPINLOCK(gpio_lock);
static unsigned long gpio_valid[BITS_TO_LONGS(GPIO_MAX)];
static const char *gpio_label[GPIO_MAX]; /* non null for allocated GPIOs */
-void __init orion5x_gpio_set_valid_pins(u32 pins)
+void __init orion5x_gpio_set_valid(unsigned pin, int valid)
{
- gpio_valid[0] = pins;
+ if (valid)
+ __set_bit(pin, gpio_valid);
+ else
+ __clear_bit(pin, gpio_valid);
}
/*
@@ -93,10 +96,10 @@ int gpio_get_value(unsigned pin)
{
int val, mask = 1 << pin;
- if (orion5x_read(GPIO_IO_CONF) & mask)
- val = orion5x_read(GPIO_DATA_IN) ^ orion5x_read(GPIO_IN_POL);
+ if (readl(GPIO_IO_CONF) & mask)
+ val = readl(GPIO_DATA_IN) ^ readl(GPIO_IN_POL);
else
- val = orion5x_read(GPIO_OUT);
+ val = readl(GPIO_OUT);
return val & mask;
}
@@ -188,39 +191,39 @@ void gpio_display(void)
printk("GPIO, free\n");
} else {
printk("GPIO, used by %s, ", gpio_label[i]);
- if (orion5x_read(GPIO_IO_CONF) & (1 << i)) {
+ if (readl(GPIO_IO_CONF) & (1 << i)) {
printk("input, active %s, level %s, edge %s\n",
- ((orion5x_read(GPIO_IN_POL) >> i) & 1) ? "low" : "high",
- ((orion5x_read(GPIO_LEVEL_MASK) >> i) & 1) ? "enabled" : "masked",
- ((orion5x_read(GPIO_EDGE_MASK) >> i) & 1) ? "enabled" : "masked");
+ ((readl(GPIO_IN_POL) >> i) & 1) ? "low" : "high",
+ ((readl(GPIO_LEVEL_MASK) >> i) & 1) ? "enabled" : "masked",
+ ((readl(GPIO_EDGE_MASK) >> i) & 1) ? "enabled" : "masked");
} else {
- printk("output, val=%d\n", (orion5x_read(GPIO_OUT) >> i) & 1);
+ printk("output, val=%d\n", (readl(GPIO_OUT) >> i) & 1);
}
}
}
printk(KERN_DEBUG "MPP_0_7_CTRL (0x%08x) = 0x%08x\n",
- MPP_0_7_CTRL, orion5x_read(MPP_0_7_CTRL));
+ MPP_0_7_CTRL, readl(MPP_0_7_CTRL));
printk(KERN_DEBUG "MPP_8_15_CTRL (0x%08x) = 0x%08x\n",
- MPP_8_15_CTRL, orion5x_read(MPP_8_15_CTRL));
+ MPP_8_15_CTRL, readl(MPP_8_15_CTRL));
printk(KERN_DEBUG "MPP_16_19_CTRL (0x%08x) = 0x%08x\n",
- MPP_16_19_CTRL, orion5x_read(MPP_16_19_CTRL));
+ MPP_16_19_CTRL, readl(MPP_16_19_CTRL));
printk(KERN_DEBUG "MPP_DEV_CTRL (0x%08x) = 0x%08x\n",
- MPP_DEV_CTRL, orion5x_read(MPP_DEV_CTRL));
+ MPP_DEV_CTRL, readl(MPP_DEV_CTRL));
printk(KERN_DEBUG "GPIO_OUT (0x%08x) = 0x%08x\n",
- GPIO_OUT, orion5x_read(GPIO_OUT));
+ GPIO_OUT, readl(GPIO_OUT));
printk(KERN_DEBUG "GPIO_IO_CONF (0x%08x) = 0x%08x\n",
- GPIO_IO_CONF, orion5x_read(GPIO_IO_CONF));
+ GPIO_IO_CONF, readl(GPIO_IO_CONF));
printk(KERN_DEBUG "GPIO_BLINK_EN (0x%08x) = 0x%08x\n",
- GPIO_BLINK_EN, orion5x_read(GPIO_BLINK_EN));
+ GPIO_BLINK_EN, readl(GPIO_BLINK_EN));
printk(KERN_DEBUG "GPIO_IN_POL (0x%08x) = 0x%08x\n",
- GPIO_IN_POL, orion5x_read(GPIO_IN_POL));
+ GPIO_IN_POL, readl(GPIO_IN_POL));
printk(KERN_DEBUG "GPIO_DATA_IN (0x%08x) = 0x%08x\n",
- GPIO_DATA_IN, orion5x_read(GPIO_DATA_IN));
+ GPIO_DATA_IN, readl(GPIO_DATA_IN));
printk(KERN_DEBUG "GPIO_LEVEL_MASK (0x%08x) = 0x%08x\n",
- GPIO_LEVEL_MASK, orion5x_read(GPIO_LEVEL_MASK));
+ GPIO_LEVEL_MASK, readl(GPIO_LEVEL_MASK));
printk(KERN_DEBUG "GPIO_EDGE_CAUSE (0x%08x) = 0x%08x\n",
- GPIO_EDGE_CAUSE, orion5x_read(GPIO_EDGE_CAUSE));
+ GPIO_EDGE_CAUSE, readl(GPIO_EDGE_CAUSE));
printk(KERN_DEBUG "GPIO_EDGE_MASK (0x%08x) = 0x%08x\n",
- GPIO_EDGE_MASK, orion5x_read(GPIO_EDGE_MASK));
+ GPIO_EDGE_MASK, readl(GPIO_EDGE_MASK));
}
diff --git a/arch/arm/mach-orion5x/irq.c b/arch/arm/mach-orion5x/irq.c
index dd21f38c5d3..e2a0084ab4a 100644
--- a/arch/arm/mach-orion5x/irq.c
+++ b/arch/arm/mach-orion5x/irq.c
@@ -82,7 +82,7 @@ static int orion5x_gpio_set_irq_type(u32 irq, u32 type)
int pin = irq_to_gpio(irq);
struct irq_desc *desc;
- if ((orion5x_read(GPIO_IO_CONF) & (1 << pin)) == 0) {
+ if ((readl(GPIO_IO_CONF) & (1 << pin)) == 0) {
printk(KERN_ERR "orion5x_gpio_set_irq_type failed "
"(irq %d, pin %d).\n", irq, pin);
return -EINVAL;
@@ -117,7 +117,7 @@ static int orion5x_gpio_set_irq_type(u32 irq, u32 type)
/*
* set initial polarity based on current input level
*/
- if ((orion5x_read(GPIO_IN_POL) ^ orion5x_read(GPIO_DATA_IN))
+ if ((readl(GPIO_IN_POL) ^ readl(GPIO_DATA_IN))
& (1 << pin))
orion5x_setbits(GPIO_IN_POL, (1 << pin)); /* falling */
else
@@ -149,8 +149,8 @@ static void orion5x_gpio_irq_handler(unsigned int irq, struct irq_desc *desc)
BUG_ON(irq < IRQ_ORION5X_GPIO_0_7 || irq > IRQ_ORION5X_GPIO_24_31);
offs = (irq - IRQ_ORION5X_GPIO_0_7) * 8;
- cause = (orion5x_read(GPIO_DATA_IN) & orion5x_read(GPIO_LEVEL_MASK)) |
- (orion5x_read(GPIO_EDGE_CAUSE) & orion5x_read(GPIO_EDGE_MASK));
+ cause = (readl(GPIO_DATA_IN) & readl(GPIO_LEVEL_MASK)) |
+ (readl(GPIO_EDGE_CAUSE) & readl(GPIO_EDGE_MASK));
for (pin = offs; pin < offs + 8; pin++) {
if (cause & (1 << pin)) {
@@ -158,9 +158,9 @@ static void orion5x_gpio_irq_handler(unsigned int irq, struct irq_desc *desc)
desc = irq_desc + irq;
if ((desc->status & IRQ_TYPE_SENSE_MASK) == IRQT_BOTHEDGE) {
/* Swap polarity (race with GPIO line) */
- u32 polarity = orion5x_read(GPIO_IN_POL);
+ u32 polarity = readl(GPIO_IN_POL);
polarity ^= 1 << pin;
- orion5x_write(GPIO_IN_POL, polarity);
+ writel(polarity, GPIO_IN_POL);
}
desc_handle_irq(irq, desc);
}
@@ -175,9 +175,9 @@ static void __init orion5x_init_gpio_irq(void)
/*
* Mask and clear GPIO IRQ interrupts
*/
- orion5x_write(GPIO_LEVEL_MASK, 0x0);
- orion5x_write(GPIO_EDGE_MASK, 0x0);
- orion5x_write(GPIO_EDGE_CAUSE, 0x0);
+ writel(0x0, GPIO_LEVEL_MASK);
+ writel(0x0, GPIO_EDGE_MASK);
+ writel(0x0, GPIO_EDGE_CAUSE);
/*
* Register chained level handlers for GPIO IRQs by default.
diff --git a/arch/arm/mach-orion5x/kurobox_pro-setup.c b/arch/arm/mach-orion5x/kurobox_pro-setup.c
index f5074b877b7..84feac4a1fe 100644
--- a/arch/arm/mach-orion5x/kurobox_pro-setup.c
+++ b/arch/arm/mach-orion5x/kurobox_pro-setup.c
@@ -13,10 +13,12 @@
#include <linux/platform_device.h>
#include <linux/pci.h>
#include <linux/irq.h>
+#include <linux/delay.h>
#include <linux/mtd/physmap.h>
#include <linux/mtd/nand.h>
#include <linux/mv643xx_eth.h>
#include <linux/i2c.h>
+#include <linux/serial_reg.h>
#include <linux/ata_platform.h>
#include <asm/mach-types.h>
#include <asm/gpio.h>
@@ -25,6 +27,7 @@
#include <asm/arch/orion5x.h>
#include <asm/plat-orion/orion_nand.h>
#include "common.h"
+#include "mpp.h"
/*****************************************************************************
* KUROBOX-PRO Info
@@ -53,13 +56,11 @@ static struct mtd_partition kurobox_pro_nand_parts[] = {
.name = "uImage",
.offset = 0,
.size = SZ_4M,
- },
- {
+ }, {
.name = "rootfs",
.offset = SZ_4M,
.size = SZ_64M,
- },
- {
+ }, {
.name = "extra",
.offset = SZ_4M + SZ_64M,
.size = SZ_256M - (SZ_4M + SZ_64M),
@@ -132,8 +133,6 @@ static int __init kurobox_pro_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
/*
* PCI isn't used on the Kuro
*/
- printk(KERN_ERR "kurobox_pro_pci_map_irq failed, unknown bus\n");
-
return -1;
}
@@ -161,7 +160,6 @@ subsys_initcall(kurobox_pro_pci_init);
static struct mv643xx_eth_platform_data kurobox_pro_eth_data = {
.phy_addr = 8,
- .force_phy_addr = 1,
};
/*****************************************************************************
@@ -175,12 +173,169 @@ static struct i2c_board_info __initdata kurobox_pro_i2c_rtc = {
* SATA
****************************************************************************/
static struct mv_sata_platform_data kurobox_pro_sata_data = {
- .n_ports = 2,
+ .n_ports = 2,
};
/*****************************************************************************
+ * Kurobox Pro specific power off method via UART1-attached microcontroller
+ ****************************************************************************/
+
+#define UART1_REG(x) (UART1_VIRT_BASE + ((UART_##x) << 2))
+
+static int kurobox_pro_miconread(unsigned char *buf, int count)
+{
+ int i;
+ int timeout;
+
+ for (i = 0; i < count; i++) {
+ timeout = 10;
+
+ while (!(readl(UART1_REG(LSR)) & UART_LSR_DR)) {
+ if (--timeout == 0)
+ break;
+ udelay(1000);
+ }
+
+ if (timeout == 0)
+ break;
+ buf[i] = readl(UART1_REG(RX));
+ }
+
+ /* return read bytes */
+ return i;
+}
+
+static int kurobox_pro_miconwrite(const unsigned char *buf, int count)
+{
+ int i = 0;
+
+ while (count--) {
+ while (!(readl(UART1_REG(LSR)) & UART_LSR_THRE))
+ barrier();
+ writel(buf[i++], UART1_REG(TX));
+ }
+
+ return 0;
+}
+
+static int kurobox_pro_miconsend(const unsigned char *data, int count)
+{
+ int i;
+ unsigned char checksum = 0;
+ unsigned char recv_buf[40];
+ unsigned char send_buf[40];
+ unsigned char correct_ack[3];
+ int retry = 2;
+
+ /* Generate checksum */
+ for (i = 0; i < count; i++)
+ checksum -= data[i];
+
+ do {
+ /* Send data */
+ kurobox_pro_miconwrite(data, count);
+
+ /* send checksum */
+ kurobox_pro_miconwrite(&checksum, 1);
+
+ if (kurobox_pro_miconread(recv_buf, sizeof(recv_buf)) <= 3) {
+ printk(KERN_ERR ">%s: receive failed.\n", __func__);
+
+ /* send preamble to clear the receive buffer */
+ memset(&send_buf, 0xff, sizeof(send_buf));
+ kurobox_pro_miconwrite(send_buf, sizeof(send_buf));
+
+ /* make dummy reads */
+ mdelay(100);
+ kurobox_pro_miconread(recv_buf, sizeof(recv_buf));
+ } else {
+ /* Generate expected ack */
+ correct_ack[0] = 0x01;
+ correct_ack[1] = data[1];
+ correct_ack[2] = 0x00;
+
+ /* checksum Check */
+ if ((recv_buf[0] + recv_buf[1] + recv_buf[2] +
+ recv_buf[3]) & 0xFF) {
+ printk(KERN_ERR ">%s: Checksum Error : "
+ "Received data[%02x, %02x, %02x, %02x]"
+ "\n", __func__, recv_buf[0],
+ recv_buf[1], recv_buf[2], recv_buf[3]);
+ } else {
+ /* Check Received Data */
+ if (correct_ack[0] == recv_buf[0] &&
+ correct_ack[1] == recv_buf[1] &&
+ correct_ack[2] == recv_buf[2]) {
+ /* Interval for next command */
+ mdelay(10);
+
+ /* Receive ACK */
+ return 0;
+ }
+ }
+ /* Received NAK or illegal Data */
+ printk(KERN_ERR ">%s: Error : NAK or Illegal Data "
+ "Received\n", __func__);
+ }
+ } while (retry--);
+
+ /* Interval for next command */
+ mdelay(10);
+
+ return -1;
+}
+
+static void kurobox_pro_power_off(void)
+{
+ const unsigned char watchdogkill[] = {0x01, 0x35, 0x00};
+ const unsigned char shutdownwait[] = {0x00, 0x0c};
+ const unsigned char poweroff[] = {0x00, 0x06};
+ /* 38400 baud divisor */
+ const unsigned divisor = ((ORION5X_TCLK + (8 * 38400)) / (16 * 38400));
+
+ pr_info("%s: triggering power-off...\n", __func__);
+
+ /* hijack uart1 and reset into sane state (38400,8n1,even parity) */
+ writel(0x83, UART1_REG(LCR));
+ writel(divisor & 0xff, UART1_REG(DLL));
+ writel((divisor >> 8) & 0xff, UART1_REG(DLM));
+ writel(0x1b, UART1_REG(LCR));
+ writel(0x00, UART1_REG(IER));
+ writel(0x07, UART1_REG(FCR));
+ writel(0x00, UART1_REG(MCR));
+
+ /* Send the commands to shutdown the Kurobox Pro */
+ kurobox_pro_miconsend(watchdogkill, sizeof(watchdogkill)) ;
+ kurobox_pro_miconsend(shutdownwait, sizeof(shutdownwait)) ;
+ kurobox_pro_miconsend(poweroff, sizeof(poweroff));
+}
+
+/*****************************************************************************
* General Setup
****************************************************************************/
+static struct orion5x_mpp_mode kurobox_pro_mpp_modes[] __initdata = {
+ { 0, MPP_UNUSED },
+ { 1, MPP_UNUSED },
+ { 2, MPP_GPIO }, /* GPIO Micon */
+ { 3, MPP_GPIO }, /* GPIO Rtc */
+ { 4, MPP_UNUSED },
+ { 5, MPP_UNUSED },
+ { 6, MPP_NAND }, /* NAND Flash REn */
+ { 7, MPP_NAND }, /* NAND Flash WEn */
+ { 8, MPP_UNUSED },
+ { 9, MPP_UNUSED },
+ { 10, MPP_UNUSED },
+ { 11, MPP_UNUSED },
+ { 12, MPP_SATA_LED }, /* SATA 0 presence */
+ { 13, MPP_SATA_LED }, /* SATA 1 presence */
+ { 14, MPP_SATA_LED }, /* SATA 0 active */
+ { 15, MPP_SATA_LED }, /* SATA 1 active */
+ { 16, MPP_UART }, /* UART1 RXD */
+ { 17, MPP_UART }, /* UART1 TXD */
+ { 18, MPP_UART }, /* UART1 CTSn */
+ { 19, MPP_UART }, /* UART1 RTSn */
+ { -1 },
+};
static void __init kurobox_pro_init(void)
{
@@ -189,46 +344,33 @@ static void __init kurobox_pro_init(void)
*/
orion5x_init();
- /*
- * Setup the CPU address decode windows for our devices
- */
- orion5x_setup_dev_boot_win(KUROBOX_PRO_NOR_BOOT_BASE,
- KUROBOX_PRO_NOR_BOOT_SIZE);
- orion5x_setup_dev0_win(KUROBOX_PRO_NAND_BASE, KUROBOX_PRO_NAND_SIZE);
+ orion5x_mpp_conf(kurobox_pro_mpp_modes);
/*
- * Open a special address decode windows for the PCIe WA.
+ * Configure peripherals.
*/
- orion5x_setup_pcie_wa_win(ORION5X_PCIE_WA_PHYS_BASE,
- ORION5X_PCIE_WA_SIZE);
-
- /*
- * Setup Multiplexing Pins --
- * MPP[0-1] Not used
- * MPP[2] GPIO Micon
- * MPP[3] GPIO RTC
- * MPP[4-5] Not used
- * MPP[6] Nand Flash REn
- * MPP[7] Nand Flash WEn
- * MPP[8-11] Not used
- * MPP[12] SATA 0 presence Indication
- * MPP[13] SATA 1 presence Indication
- * MPP[14] SATA 0 active Indication
- * MPP[15] SATA 1 active indication
- * MPP[16-19] Not used
- */
- orion5x_write(MPP_0_7_CTRL, 0x44220003);
- orion5x_write(MPP_8_15_CTRL, 0x55550000);
- orion5x_write(MPP_16_19_CTRL, 0x0);
-
- orion5x_gpio_set_valid_pins(0x0000000c);
+ orion5x_ehci0_init();
+ orion5x_ehci1_init();
+ orion5x_eth_init(&kurobox_pro_eth_data);
+ orion5x_i2c_init();
+ orion5x_sata_init(&kurobox_pro_sata_data);
+ orion5x_uart0_init();
+ orion5x_uart1_init();
+ orion5x_setup_dev_boot_win(KUROBOX_PRO_NOR_BOOT_BASE,
+ KUROBOX_PRO_NOR_BOOT_SIZE);
platform_device_register(&kurobox_pro_nor_flash);
- if (machine_is_kurobox_pro())
+
+ if (machine_is_kurobox_pro()) {
+ orion5x_setup_dev0_win(KUROBOX_PRO_NAND_BASE,
+ KUROBOX_PRO_NAND_SIZE);
platform_device_register(&kurobox_pro_nand_flash);
+ }
+
i2c_register_board_info(0, &kurobox_pro_i2c_rtc, 1);
- orion5x_eth_init(&kurobox_pro_eth_data);
- orion5x_sata_init(&kurobox_pro_sata_data);
+
+ /* register Kurobox Pro specific power-off method */
+ pm_power_off = kurobox_pro_power_off;
}
#ifdef CONFIG_MACH_KUROBOX_PRO
diff --git a/arch/arm/mach-orion5x/mpp.c b/arch/arm/mach-orion5x/mpp.c
new file mode 100644
index 00000000000..a48cadb0159
--- /dev/null
+++ b/arch/arm/mach-orion5x/mpp.c
@@ -0,0 +1,163 @@
+/*
+ * arch/arm/mach-orion5x/mpp.c
+ *
+ * MPP functions for Marvell Orion 5x SoCs
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/mbus.h>
+#include <asm/hardware.h>
+#include <asm/io.h>
+#include "common.h"
+#include "mpp.h"
+
+static int is_5181l(void)
+{
+ u32 dev;
+ u32 rev;
+
+ orion5x_pcie_id(&dev, &rev);
+
+ return !!(dev == MV88F5181_DEV_ID && rev >= MV88F5181L_REV_A0);
+}
+
+static int is_5182(void)
+{
+ u32 dev;
+ u32 rev;
+
+ orion5x_pcie_id(&dev, &rev);
+
+ return !!(dev == MV88F5182_DEV_ID);
+}
+
+static int is_5281(void)
+{
+ u32 dev;
+ u32 rev;
+
+ orion5x_pcie_id(&dev, &rev);
+
+ return !!(dev == MV88F5281_DEV_ID);
+}
+
+static int __init determine_type_encoding(int mpp, enum orion5x_mpp_type type)
+{
+ switch (type) {
+ case MPP_UNUSED:
+ case MPP_GPIO:
+ if (mpp == 0)
+ return 3;
+ if (mpp >= 1 && mpp <= 15)
+ return 0;
+ if (mpp >= 16 && mpp <= 19) {
+ if (is_5182())
+ return 5;
+ if (type == MPP_UNUSED)
+ return 0;
+ }
+ return -1;
+
+ case MPP_PCIE_RST_OUTn:
+ if (mpp == 0)
+ return 0;
+ return -1;
+
+ case MPP_PCI_ARB:
+ if (mpp >= 0 && mpp <= 7)
+ return 2;
+ return -1;
+
+ case MPP_PCI_PMEn:
+ if (mpp == 2)
+ return 3;
+ return -1;
+
+ case MPP_GIGE:
+ if (mpp >= 8 && mpp <= 19)
+ return 1;
+ return -1;
+
+ case MPP_NAND:
+ if (is_5182() || is_5281()) {
+ if (mpp >= 4 && mpp <= 7)
+ return 4;
+ if (mpp >= 12 && mpp <= 17)
+ return 4;
+ }
+ return -1;
+
+ case MPP_PCI_CLK:
+ if (is_5181l() && mpp >= 6 && mpp <= 7)
+ return 5;
+ return -1;
+
+ case MPP_SATA_LED:
+ if (is_5182()) {
+ if (mpp >= 4 && mpp <= 7)
+ return 5;
+ if (mpp >= 12 && mpp <= 15)
+ return 5;
+ }
+ return -1;
+
+ case MPP_UART:
+ if (mpp >= 16 && mpp <= 19)
+ return 0;
+ return -1;
+ }
+
+ printk(KERN_INFO "unknown MPP type %d\n", type);
+
+ return -1;
+}
+
+void __init orion5x_mpp_conf(struct orion5x_mpp_mode *mode)
+{
+ u32 mpp_0_7_ctrl = readl(MPP_0_7_CTRL);
+ u32 mpp_8_15_ctrl = readl(MPP_8_15_CTRL);
+ u32 mpp_16_19_ctrl = readl(MPP_16_19_CTRL);
+
+ while (mode->mpp >= 0) {
+ u32 *reg;
+ int num_type;
+ int shift;
+
+ if (mode->mpp >= 0 && mode->mpp <= 7)
+ reg = &mpp_0_7_ctrl;
+ else if (mode->mpp >= 8 && mode->mpp <= 15)
+ reg = &mpp_8_15_ctrl;
+ else if (mode->mpp >= 16 && mode->mpp <= 19)
+ reg = &mpp_16_19_ctrl;
+ else {
+ printk(KERN_ERR "orion5x_mpp_conf: invalid MPP "
+ "(%d)\n", mode->mpp);
+ continue;
+ }
+
+ num_type = determine_type_encoding(mode->mpp, mode->type);
+ if (num_type < 0) {
+ printk(KERN_ERR "orion5x_mpp_conf: invalid MPP "
+ "combination (%d, %d)\n", mode->mpp,
+ mode->type);
+ continue;
+ }
+
+ shift = (mode->mpp & 7) << 2;
+ *reg &= ~(0xf << shift);
+ *reg |= (num_type & 0xf) << shift;
+
+ orion5x_gpio_set_valid(mode->mpp, !!(mode->type == MPP_GPIO));
+
+ mode++;
+ }
+
+ writel(mpp_0_7_ctrl, MPP_0_7_CTRL);
+ writel(mpp_8_15_ctrl, MPP_8_15_CTRL);
+ writel(mpp_16_19_ctrl, MPP_16_19_CTRL);
+}
diff --git a/arch/arm/mach-orion5x/mpp.h b/arch/arm/mach-orion5x/mpp.h
new file mode 100644
index 00000000000..290e610dc01
--- /dev/null
+++ b/arch/arm/mach-orion5x/mpp.h
@@ -0,0 +1,74 @@
+#ifndef __ARCH_ORION5X_MPP_H
+#define __ARCH_ORION5X_MPP_H
+
+enum orion5x_mpp_type {
+ /*
+ * This MPP is unused.
+ */
+ MPP_UNUSED,
+
+ /*
+ * This MPP pin is used as a generic GPIO pin. Valid for
+ * MPPs 0-15 and device bus data pins 16-31. On 5182, also
+ * valid for MPPs 16-19.
+ */
+ MPP_GPIO,
+
+ /*
+ * This MPP is used as PCIe_RST_OUTn pin. Valid for
+ * MPP 0 only.
+ */
+ MPP_PCIE_RST_OUTn,
+
+ /*
+ * This MPP is used as PCI arbiter pin (REQn/GNTn).
+ * Valid for MPPs 0-7 only.
+ */
+ MPP_PCI_ARB,
+
+ /*
+ * This MPP is used as PCI_PMEn pin. Valid for MPP 2 only.
+ */
+ MPP_PCI_PMEn,
+
+ /*
+ * This MPP is used as GigE half-duplex (COL, CRS) or GMII
+ * (RXERR, CRS, TXERR, TXD[7:4], RXD[7:4]) pin. Valid for
+ * MPPs 8-19 only.
+ */
+ MPP_GIGE,
+
+ /*
+ * This MPP is used as NAND REn/WEn pin. Valid for MPPs
+ * 4-7 and 12-17 only, and only on the 5181l/5182/5281.
+ */
+ MPP_NAND,
+
+ /*
+ * This MPP is used as a PCI clock output pin. Valid for
+ * MPPs 6-7 only, and only on the 5181l.
+ */
+ MPP_PCI_CLK,
+
+ /*
+ * This MPP is used as a SATA presence/activity LED.
+ * Valid for MPPs 4-7 and 12-15 only, and only on the 5182.
+ */
+ MPP_SATA_LED,
+
+ /*
+ * This MPP is used as UART1 RXD/TXD/CTSn/RTSn pin.
+ * Valid for MPPs 16-19 only.
+ */
+ MPP_UART,
+};
+
+struct orion5x_mpp_mode {
+ int mpp;
+ enum orion5x_mpp_type type;
+};
+
+void orion5x_mpp_conf(struct orion5x_mpp_mode *mode);
+
+
+#endif
diff --git a/arch/arm/mach-orion5x/mss2-setup.c b/arch/arm/mach-orion5x/mss2-setup.c
new file mode 100644
index 00000000000..7ce9e407d9d
--- /dev/null
+++ b/arch/arm/mach-orion5x/mss2-setup.c
@@ -0,0 +1,270 @@
+/*
+ * Maxtor Shared Storage II Board Setup
+ *
+ * Maintainer: Sylver Bruneau <sylver.bruneau@googlemail.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/pci.h>
+#include <linux/irq.h>
+#include <linux/mtd/physmap.h>
+#include <linux/mv643xx_eth.h>
+#include <linux/leds.h>
+#include <linux/gpio_keys.h>
+#include <linux/input.h>
+#include <linux/i2c.h>
+#include <linux/ata_platform.h>
+#include <linux/gpio.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/pci.h>
+#include <asm/arch/orion5x.h>
+#include "common.h"
+#include "mpp.h"
+
+#define MSS2_NOR_BOOT_BASE 0xff800000
+#define MSS2_NOR_BOOT_SIZE SZ_256K
+
+/*****************************************************************************
+ * Maxtor Shared Storage II Info
+ ****************************************************************************/
+
+/*
+ * Maxtor Shared Storage II hardware :
+ * - Marvell 88F5182-A2 C500
+ * - Marvell 88E1111 Gigabit Ethernet PHY
+ * - RTC M41T81 (@0x68) on I2C bus
+ * - 256KB NOR flash
+ * - 64MB of RAM
+ */
+
+/*****************************************************************************
+ * 256KB NOR Flash on BOOT Device
+ ****************************************************************************/
+
+static struct physmap_flash_data mss2_nor_flash_data = {
+ .width = 1,
+};
+
+static struct resource mss2_nor_flash_resource = {
+ .flags = IORESOURCE_MEM,
+ .start = MSS2_NOR_BOOT_BASE,
+ .end = MSS2_NOR_BOOT_BASE + MSS2_NOR_BOOT_SIZE - 1,
+};
+
+static struct platform_device mss2_nor_flash = {
+ .name = "physmap-flash",
+ .id = 0,
+ .dev = {
+ .platform_data = &mss2_nor_flash_data,
+ },
+ .resource = &mss2_nor_flash_resource,
+ .num_resources = 1,
+};
+
+/****************************************************************************
+ * PCI setup
+ ****************************************************************************/
+static int __init mss2_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+ int irq;
+
+ /*
+ * Check for devices with hard-wired IRQs.
+ */
+ irq = orion5x_pci_map_irq(dev, slot, pin);
+ if (irq != -1)
+ return irq;
+
+ return -1;
+}
+
+static struct hw_pci mss2_pci __initdata = {
+ .nr_controllers = 2,
+ .swizzle = pci_std_swizzle,
+ .setup = orion5x_pci_sys_setup,
+ .scan = orion5x_pci_sys_scan_bus,
+ .map_irq = mss2_pci_map_irq,
+};
+
+static int __init mss2_pci_init(void)
+{
+ if (machine_is_mss2())
+ pci_common_init(&mss2_pci);
+
+ return 0;
+}
+subsys_initcall(mss2_pci_init);
+
+
+/*****************************************************************************
+ * Ethernet
+ ****************************************************************************/
+
+static struct mv643xx_eth_platform_data mss2_eth_data = {
+ .phy_addr = 8,
+};
+
+/*****************************************************************************
+ * SATA
+ ****************************************************************************/
+
+static struct mv_sata_platform_data mss2_sata_data = {
+ .n_ports = 2,
+};
+
+/*****************************************************************************
+ * GPIO buttons
+ ****************************************************************************/
+
+#define MSS2_GPIO_KEY_RESET 12
+#define MSS2_GPIO_KEY_POWER 11
+
+static struct gpio_keys_button mss2_buttons[] = {
+ {
+ .code = KEY_POWER,
+ .gpio = MSS2_GPIO_KEY_POWER,
+ .desc = "Power",
+ .active_low = 1,
+ }, {
+ .code = KEY_RESTART,
+ .gpio = MSS2_GPIO_KEY_RESET,
+ .desc = "Reset",
+ .active_low = 1,
+ },
+};
+
+static struct gpio_keys_platform_data mss2_button_data = {
+ .buttons = mss2_buttons,
+ .nbuttons = ARRAY_SIZE(mss2_buttons),
+};
+
+static struct platform_device mss2_button_device = {
+ .name = "gpio-keys",
+ .id = -1,
+ .dev = {
+ .platform_data = &mss2_button_data,
+ },
+};
+
+/*****************************************************************************
+ * RTC m41t81 on I2C bus
+ ****************************************************************************/
+
+#define MSS2_GPIO_RTC_IRQ 3
+
+static struct i2c_board_info __initdata mss2_i2c_rtc = {
+ I2C_BOARD_INFO("m41t81", 0x68),
+};
+
+/*****************************************************************************
+ * MSS2 power off method
+ ****************************************************************************/
+/*
+ * On the Maxtor Shared Storage II, the shutdown process is the following :
+ * - Userland modifies U-boot env to tell U-boot to go idle at next boot
+ * - The board reboots
+ * - U-boot starts and go into an idle mode until the user press "power"
+ */
+static void mss2_power_off(void)
+{
+ u32 reg;
+
+ /*
+ * Enable and issue soft reset
+ */
+ reg = readl(CPU_RESET_MASK);
+ reg |= 1 << 2;
+ writel(reg, CPU_RESET_MASK);
+
+ reg = readl(CPU_SOFT_RESET);
+ reg |= 1;
+ writel(reg, CPU_SOFT_RESET);
+}
+
+/****************************************************************************
+ * General Setup
+ ****************************************************************************/
+static struct orion5x_mpp_mode mss2_mpp_modes[] __initdata = {
+ { 0, MPP_GPIO }, /* Power LED */
+ { 1, MPP_GPIO }, /* Error LED */
+ { 2, MPP_UNUSED },
+ { 3, MPP_GPIO }, /* RTC interrupt */
+ { 4, MPP_GPIO }, /* HDD ind. (Single/Dual)*/
+ { 5, MPP_GPIO }, /* HD0 5V control */
+ { 6, MPP_GPIO }, /* HD0 12V control */
+ { 7, MPP_GPIO }, /* HD1 5V control */
+ { 8, MPP_GPIO }, /* HD1 12V control */
+ { 9, MPP_UNUSED },
+ { 10, MPP_GPIO }, /* Fan control */
+ { 11, MPP_GPIO }, /* Power button */
+ { 12, MPP_GPIO }, /* Reset button */
+ { 13, MPP_UNUSED },
+ { 14, MPP_SATA_LED }, /* SATA 0 active */
+ { 15, MPP_SATA_LED }, /* SATA 1 active */
+ { 16, MPP_UNUSED },
+ { 17, MPP_UNUSED },
+ { 18, MPP_UNUSED },
+ { 19, MPP_UNUSED },
+ { -1 },
+};
+
+static void __init mss2_init(void)
+{
+ /* Setup basic Orion functions. Need to be called early. */
+ orion5x_init();
+
+ orion5x_mpp_conf(mss2_mpp_modes);
+
+ /*
+ * MPP[20] Unused
+ * MPP[21] PCI clock
+ * MPP[22] USB 0 over current
+ * MPP[23] USB 1 over current
+ */
+
+ /*
+ * Configure peripherals.
+ */
+ orion5x_ehci0_init();
+ orion5x_ehci1_init();
+ orion5x_eth_init(&mss2_eth_data);
+ orion5x_i2c_init();
+ orion5x_sata_init(&mss2_sata_data);
+ orion5x_uart0_init();
+
+ orion5x_setup_dev_boot_win(MSS2_NOR_BOOT_BASE, MSS2_NOR_BOOT_SIZE);
+ platform_device_register(&mss2_nor_flash);
+
+ platform_device_register(&mss2_button_device);
+
+ if (gpio_request(MSS2_GPIO_RTC_IRQ, "rtc") == 0) {
+ if (gpio_direction_input(MSS2_GPIO_RTC_IRQ) == 0)
+ mss2_i2c_rtc.irq = gpio_to_irq(MSS2_GPIO_RTC_IRQ);
+ else
+ gpio_free(MSS2_GPIO_RTC_IRQ);
+ }
+ i2c_register_board_info(0, &mss2_i2c_rtc, 1);
+
+ /* register mss2 specific power-off method */
+ pm_power_off = mss2_power_off;
+}
+
+MACHINE_START(MSS2, "Maxtor Shared Storage II")
+ /* Maintainer: Sylver Bruneau <sylver.bruneau@googlemail.com> */
+ .phys_io = ORION5X_REGS_PHYS_BASE,
+ .io_pg_offst = ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC,
+ .boot_params = 0x00000100,
+ .init_machine = mss2_init,
+ .map_io = orion5x_map_io,
+ .init_irq = orion5x_init_irq,
+ .timer = &orion5x_timer,
+ .fixup = tag_fixup_mem32
+MACHINE_END
diff --git a/arch/arm/mach-orion5x/mv2120-setup.c b/arch/arm/mach-orion5x/mv2120-setup.c
new file mode 100644
index 00000000000..55f3b0fdef8
--- /dev/null
+++ b/arch/arm/mach-orion5x/mv2120-setup.c
@@ -0,0 +1,239 @@
+/*
+ * Copyright (C) 2007 Herbert Valerio Riedel <hvr@gnu.org>
+ * Copyright (C) 2008 Martin Michlmayr <tbm@cyrius.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/irq.h>
+#include <linux/mtd/physmap.h>
+#include <linux/mv643xx_eth.h>
+#include <linux/leds.h>
+#include <linux/gpio_keys.h>
+#include <linux/input.h>
+#include <linux/i2c.h>
+#include <linux/ata_platform.h>
+#include <asm/mach-types.h>
+#include <asm/gpio.h>
+#include <asm/mach/arch.h>
+#include <asm/arch/orion5x.h>
+#include "common.h"
+#include "mpp.h"
+
+#define MV2120_NOR_BOOT_BASE 0xf4000000
+#define MV2120_NOR_BOOT_SIZE SZ_512K
+
+#define MV2120_GPIO_RTC_IRQ 3
+#define MV2120_GPIO_KEY_RESET 17
+#define MV2120_GPIO_KEY_POWER 18
+#define MV2120_GPIO_POWER_OFF 19
+
+
+/*****************************************************************************
+ * Ethernet
+ ****************************************************************************/
+static struct mv643xx_eth_platform_data mv2120_eth_data = {
+ .phy_addr = 8,
+};
+
+static struct mv_sata_platform_data mv2120_sata_data = {
+ .n_ports = 2,
+};
+
+static struct mtd_partition mv2120_partitions[] = {
+ {
+ .name = "firmware",
+ .size = 0x00080000,
+ .offset = 0,
+ },
+};
+
+static struct physmap_flash_data mv2120_nor_flash_data = {
+ .width = 1,
+ .parts = mv2120_partitions,
+ .nr_parts = ARRAY_SIZE(mv2120_partitions)
+};
+
+static struct resource mv2120_nor_flash_resource = {
+ .flags = IORESOURCE_MEM,
+ .start = MV2120_NOR_BOOT_BASE,
+ .end = MV2120_NOR_BOOT_BASE + MV2120_NOR_BOOT_SIZE - 1,
+};
+
+static struct platform_device mv2120_nor_flash = {
+ .name = "physmap-flash",
+ .id = 0,
+ .dev = {
+ .platform_data = &mv2120_nor_flash_data,
+ },
+ .resource = &mv2120_nor_flash_resource,
+ .num_resources = 1,
+};
+
+static struct gpio_keys_button mv2120_buttons[] = {
+ {
+ .code = KEY_RESTART,
+ .gpio = MV2120_GPIO_KEY_RESET,
+ .desc = "reset",
+ .active_low = 1,
+ }, {
+ .code = KEY_POWER,
+ .gpio = MV2120_GPIO_KEY_POWER,
+ .desc = "power",
+ .active_low = 1,
+ },
+};
+
+static struct gpio_keys_platform_data mv2120_button_data = {
+ .buttons = mv2120_buttons,
+ .nbuttons = ARRAY_SIZE(mv2120_buttons),
+};
+
+static struct platform_device mv2120_button_device = {
+ .name = "gpio-keys",
+ .id = -1,
+ .num_resources = 0,
+ .dev = {
+ .platform_data = &mv2120_button_data,
+ },
+};
+
+
+/****************************************************************************
+ * General Setup
+ ****************************************************************************/
+static struct orion5x_mpp_mode mv2120_mpp_modes[] __initdata = {
+ { 0, MPP_GPIO }, /* Sys status LED */
+ { 1, MPP_GPIO }, /* Sys error LED */
+ { 2, MPP_GPIO }, /* OverTemp interrupt */
+ { 3, MPP_GPIO }, /* RTC interrupt */
+ { 4, MPP_GPIO }, /* V_LED 5V */
+ { 5, MPP_GPIO }, /* V_LED 3.3V */
+ { 6, MPP_UNUSED },
+ { 7, MPP_UNUSED },
+ { 8, MPP_GPIO }, /* SATA 0 fail LED */
+ { 9, MPP_GPIO }, /* SATA 1 fail LED */
+ { 10, MPP_UNUSED },
+ { 11, MPP_UNUSED },
+ { 12, MPP_SATA_LED }, /* SATA 0 presence */
+ { 13, MPP_SATA_LED }, /* SATA 1 presence */
+ { 14, MPP_SATA_LED }, /* SATA 0 active */
+ { 15, MPP_SATA_LED }, /* SATA 1 active */
+ { 16, MPP_UNUSED },
+ { 17, MPP_GPIO }, /* Reset button */
+ { 18, MPP_GPIO }, /* Power button */
+ { 19, MPP_GPIO }, /* Power off */
+ { -1 },
+};
+
+static struct i2c_board_info __initdata mv2120_i2c_rtc = {
+ I2C_BOARD_INFO("pcf8563", 0x51),
+ .irq = 0,
+};
+
+static struct gpio_led mv2120_led_pins[] = {
+ {
+ .name = "mv2120:blue:health",
+ .gpio = 0,
+ },
+ {
+ .name = "mv2120:red:health",
+ .gpio = 1,
+ },
+ {
+ .name = "mv2120:led:bright",
+ .gpio = 4,
+ .default_trigger = "default-on",
+ },
+ {
+ .name = "mv2120:led:dimmed",
+ .gpio = 5,
+ },
+ {
+ .name = "mv2120:red:sata0",
+ .gpio = 8,
+ .active_low = 1,
+ },
+ {
+ .name = "mv2120:red:sata1",
+ .gpio = 9,
+ .active_low = 1,
+ },
+
+};
+
+static struct gpio_led_platform_data mv2120_led_data = {
+ .leds = mv2120_led_pins,
+ .num_leds = ARRAY_SIZE(mv2120_led_pins),
+};
+
+static struct platform_device mv2120_leds = {
+ .name = "leds-gpio",
+ .id = -1,
+ .dev = {
+ .platform_data = &mv2120_led_data,
+ }
+};
+
+static void mv2120_power_off(void)
+{
+ pr_info("%s: triggering power-off...\n", __func__);
+ gpio_set_value(MV2120_GPIO_POWER_OFF, 0);
+}
+
+static void __init mv2120_init(void)
+{
+ /* Setup basic Orion functions. Need to be called early. */
+ orion5x_init();
+
+ orion5x_mpp_conf(mv2120_mpp_modes);
+
+ /*
+ * Configure peripherals.
+ */
+ orion5x_ehci0_init();
+ orion5x_ehci1_init();
+ orion5x_eth_init(&mv2120_eth_data);
+ orion5x_i2c_init();
+ orion5x_sata_init(&mv2120_sata_data);
+ orion5x_uart0_init();
+
+ orion5x_setup_dev_boot_win(MV2120_NOR_BOOT_BASE, MV2120_NOR_BOOT_SIZE);
+ platform_device_register(&mv2120_nor_flash);
+
+ platform_device_register(&mv2120_button_device);
+
+ if (gpio_request(MV2120_GPIO_RTC_IRQ, "rtc") == 0) {
+ if (gpio_direction_input(MV2120_GPIO_RTC_IRQ) == 0)
+ mv2120_i2c_rtc.irq = gpio_to_irq(MV2120_GPIO_RTC_IRQ);
+ else
+ gpio_free(MV2120_GPIO_RTC_IRQ);
+ }
+ i2c_register_board_info(0, &mv2120_i2c_rtc, 1);
+ platform_device_register(&mv2120_leds);
+
+ /* register mv2120 specific power-off method */
+ if (gpio_request(MV2120_GPIO_POWER_OFF, "POWEROFF") != 0 ||
+ gpio_direction_output(MV2120_GPIO_POWER_OFF, 1) != 0)
+ pr_err("mv2120: failed to setup power-off GPIO\n");
+ pm_power_off = mv2120_power_off;
+}
+
+/* Warning: HP uses a wrong mach-type (=526) in their bootloader */
+MACHINE_START(MV2120, "HP Media Vault mv2120")
+ /* Maintainer: Martin Michlmayr <tbm@cyrius.com> */
+ .phys_io = ORION5X_REGS_PHYS_BASE,
+ .io_pg_offst = ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC,
+ .boot_params = 0x00000100,
+ .init_machine = mv2120_init,
+ .map_io = orion5x_map_io,
+ .init_irq = orion5x_init_irq,
+ .timer = &orion5x_timer,
+ .fixup = tag_fixup_mem32
+MACHINE_END
diff --git a/arch/arm/mach-orion5x/pci.c b/arch/arm/mach-orion5x/pci.c
index 9d5d39fa19c..256a4f68093 100644
--- a/arch/arm/mach-orion5x/pci.c
+++ b/arch/arm/mach-orion5x/pci.c
@@ -152,6 +152,8 @@ static int __init pcie_setup(struct pci_sys_data *sys)
if (dev == MV88F5181_DEV_ID || dev == MV88F5182_DEV_ID) {
printk(KERN_NOTICE "Applying Orion-1/Orion-NAS PCIe config "
"read transaction workaround\n");
+ orion5x_setup_pcie_wa_win(ORION5X_PCIE_WA_PHYS_BASE,
+ ORION5X_PCIE_WA_SIZE);
pcie_ops.read = pcie_rd_conf_wa;
}
@@ -240,13 +242,13 @@ static int __init pcie_setup(struct pci_sys_data *sys)
* PCI Address Decode Windows registers
*/
#define PCI_BAR_SIZE_DDR_CS(n) (((n) == 0) ? ORION5X_PCI_REG(0xc08) : \
- ((n) == 1) ? ORION5X_PCI_REG(0xd08) : \
- ((n) == 2) ? ORION5X_PCI_REG(0xc0c) : \
- ((n) == 3) ? ORION5X_PCI_REG(0xd0c) : 0)
-#define PCI_BAR_REMAP_DDR_CS(n) (((n) ==0) ? ORION5X_PCI_REG(0xc48) : \
- ((n) == 1) ? ORION5X_PCI_REG(0xd48) : \
- ((n) == 2) ? ORION5X_PCI_REG(0xc4c) : \
- ((n) == 3) ? ORION5X_PCI_REG(0xd4c) : 0)
+ ((n) == 1) ? ORION5X_PCI_REG(0xd08) : \
+ ((n) == 2) ? ORION5X_PCI_REG(0xc0c) : \
+ ((n) == 3) ? ORION5X_PCI_REG(0xd0c) : 0)
+#define PCI_BAR_REMAP_DDR_CS(n) (((n) == 0) ? ORION5X_PCI_REG(0xc48) : \
+ ((n) == 1) ? ORION5X_PCI_REG(0xd48) : \
+ ((n) == 2) ? ORION5X_PCI_REG(0xc4c) : \
+ ((n) == 3) ? ORION5X_PCI_REG(0xd4c) : 0)
#define PCI_BAR_ENABLE ORION5X_PCI_REG(0xc3c)
#define PCI_ADDR_DECODE_CTRL ORION5X_PCI_REG(0xd3c)
@@ -264,9 +266,11 @@ static int __init pcie_setup(struct pci_sys_data *sys)
*/
static DEFINE_SPINLOCK(orion5x_pci_lock);
+static int orion5x_pci_cardbus_mode;
+
static int orion5x_pci_local_bus_nr(void)
{
- u32 conf = orion5x_read(PCI_P2P_CONF);
+ u32 conf = readl(PCI_P2P_CONF);
return((conf & PCI_P2P_BUS_MASK) >> PCI_P2P_BUS_OFFS);
}
@@ -276,11 +280,11 @@ static int orion5x_pci_hw_rd_conf(int bus, int dev, u32 func,
unsigned long flags;
spin_lock_irqsave(&orion5x_pci_lock, flags);
- orion5x_write(PCI_CONF_ADDR, PCI_CONF_BUS(bus) |
- PCI_CONF_DEV(dev) | PCI_CONF_REG(where) |
- PCI_CONF_FUNC(func) | PCI_CONF_ADDR_EN);
+ writel(PCI_CONF_BUS(bus) |
+ PCI_CONF_DEV(dev) | PCI_CONF_REG(where) |
+ PCI_CONF_FUNC(func) | PCI_CONF_ADDR_EN, PCI_CONF_ADDR);
- *val = orion5x_read(PCI_CONF_DATA);
+ *val = readl(PCI_CONF_DATA);
if (size == 1)
*val = (*val >> (8*(where & 0x3))) & 0xff;
@@ -300,9 +304,9 @@ static int orion5x_pci_hw_wr_conf(int bus, int dev, u32 func,
spin_lock_irqsave(&orion5x_pci_lock, flags);
- orion5x_write(PCI_CONF_ADDR, PCI_CONF_BUS(bus) |
- PCI_CONF_DEV(dev) | PCI_CONF_REG(where) |
- PCI_CONF_FUNC(func) | PCI_CONF_ADDR_EN);
+ writel(PCI_CONF_BUS(bus) |
+ PCI_CONF_DEV(dev) | PCI_CONF_REG(where) |
+ PCI_CONF_FUNC(func) | PCI_CONF_ADDR_EN, PCI_CONF_ADDR);
if (size == 4) {
__raw_writel(val, PCI_CONF_DATA);
@@ -319,14 +323,30 @@ static int orion5x_pci_hw_wr_conf(int bus, int dev, u32 func,
return ret;
}
+static int orion5x_pci_valid_config(int bus, u32 devfn)
+{
+ if (bus == orion5x_pci_local_bus_nr()) {
+ /*
+ * Don't go out for local device
+ */
+ if (PCI_SLOT(devfn) == 0 && PCI_FUNC(devfn) != 0)
+ return 0;
+
+ /*
+ * When the PCI signals are directly connected to a
+ * Cardbus slot, ignore all but device IDs 0 and 1.
+ */
+ if (orion5x_pci_cardbus_mode && PCI_SLOT(devfn) > 1)
+ return 0;
+ }
+
+ return 1;
+}
+
static int orion5x_pci_rd_conf(struct pci_bus *bus, u32 devfn,
int where, int size, u32 *val)
{
- /*
- * Don't go out for local device
- */
- if (bus->number == orion5x_pci_local_bus_nr() &&
- PCI_SLOT(devfn) == 0 && PCI_FUNC(devfn) != 0) {
+ if (!orion5x_pci_valid_config(bus->number, devfn)) {
*val = 0xffffffff;
return PCIBIOS_DEVICE_NOT_FOUND;
}
@@ -338,8 +358,7 @@ static int orion5x_pci_rd_conf(struct pci_bus *bus, u32 devfn,
static int orion5x_pci_wr_conf(struct pci_bus *bus, u32 devfn,
int where, int size, u32 val)
{
- if (bus->number == orion5x_pci_local_bus_nr() &&
- PCI_SLOT(devfn) == 0 && PCI_FUNC(devfn) != 0)
+ if (!orion5x_pci_valid_config(bus->number, devfn))
return PCIBIOS_DEVICE_NOT_FOUND;
return orion5x_pci_hw_wr_conf(bus->number, PCI_SLOT(devfn),
@@ -353,9 +372,9 @@ static struct pci_ops pci_ops = {
static void __init orion5x_pci_set_bus_nr(int nr)
{
- u32 p2p = orion5x_read(PCI_P2P_CONF);
+ u32 p2p = readl(PCI_P2P_CONF);
- if (orion5x_read(PCI_MODE) & PCI_MODE_PCIX) {
+ if (readl(PCI_MODE) & PCI_MODE_PCIX) {
/*
* PCI-X mode
*/
@@ -372,7 +391,7 @@ static void __init orion5x_pci_set_bus_nr(int nr)
*/
p2p &= ~PCI_P2P_BUS_MASK;
p2p |= (nr << PCI_P2P_BUS_OFFS);
- orion5x_write(PCI_P2P_CONF, p2p);
+ writel(p2p, PCI_P2P_CONF);
}
}
@@ -399,7 +418,7 @@ static void __init orion5x_setup_pci_wins(struct mbus_dram_target_info *dram)
* First, disable windows.
*/
win_enable = 0xffffffff;
- orion5x_write(PCI_BAR_ENABLE, win_enable);
+ writel(win_enable, PCI_BAR_ENABLE);
/*
* Setup windows for DDR banks.
@@ -425,10 +444,10 @@ static void __init orion5x_setup_pci_wins(struct mbus_dram_target_info *dram)
*/
reg = PCI_CONF_REG_BAR_HI_CS(cs->cs_index);
orion5x_pci_hw_wr_conf(bus, 0, func, reg, 4, 0);
- orion5x_write(PCI_BAR_SIZE_DDR_CS(cs->cs_index),
- (cs->size - 1) & 0xfffff000);
- orion5x_write(PCI_BAR_REMAP_DDR_CS(cs->cs_index),
- cs->base & 0xfffff000);
+ writel((cs->size - 1) & 0xfffff000,
+ PCI_BAR_SIZE_DDR_CS(cs->cs_index));
+ writel(cs->base & 0xfffff000,
+ PCI_BAR_REMAP_DDR_CS(cs->cs_index));
/*
* Enable decode window for this chip select.
@@ -439,7 +458,7 @@ static void __init orion5x_setup_pci_wins(struct mbus_dram_target_info *dram)
/*
* Re-enable decode windows.
*/
- orion5x_write(PCI_BAR_ENABLE, win_enable);
+ writel(win_enable, PCI_BAR_ENABLE);
/*
* Disable automatic update of address remaping when writing to BARs.
@@ -522,6 +541,11 @@ static void __devinit rc_pci_fixup(struct pci_dev *dev)
}
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL, PCI_ANY_ID, rc_pci_fixup);
+void __init orion5x_pci_set_cardbus_mode(void)
+{
+ orion5x_pci_cardbus_mode = 1;
+}
+
int __init orion5x_pci_sys_setup(int nr, struct pci_sys_data *sys)
{
int ret = 0;
diff --git a/arch/arm/mach-orion5x/rd88f5181l-fxo-setup.c b/arch/arm/mach-orion5x/rd88f5181l-fxo-setup.c
new file mode 100644
index 00000000000..d50e3650a09
--- /dev/null
+++ b/arch/arm/mach-orion5x/rd88f5181l-fxo-setup.c
@@ -0,0 +1,161 @@
+/*
+ * arch/arm/mach-orion5x/rd88f5181l-fxo-setup.c
+ *
+ * Marvell Orion-VoIP FXO Reference Design Setup
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/pci.h>
+#include <linux/irq.h>
+#include <linux/mtd/physmap.h>
+#include <linux/mv643xx_eth.h>
+#include <asm/mach-types.h>
+#include <asm/gpio.h>
+#include <asm/leds.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/pci.h>
+#include <asm/arch/orion5x.h>
+#include "common.h"
+#include "mpp.h"
+
+/*****************************************************************************
+ * RD-88F5181L FXO Info
+ ****************************************************************************/
+/*
+ * 8M NOR flash Device bus boot chip select
+ */
+#define RD88F5181L_FXO_NOR_BOOT_BASE 0xff800000
+#define RD88F5181L_FXO_NOR_BOOT_SIZE SZ_8M
+
+
+/*****************************************************************************
+ * 8M NOR Flash on Device bus Boot chip select
+ ****************************************************************************/
+static struct physmap_flash_data rd88f5181l_fxo_nor_boot_flash_data = {
+ .width = 1,
+};
+
+static struct resource rd88f5181l_fxo_nor_boot_flash_resource = {
+ .flags = IORESOURCE_MEM,
+ .start = RD88F5181L_FXO_NOR_BOOT_BASE,
+ .end = RD88F5181L_FXO_NOR_BOOT_BASE +
+ RD88F5181L_FXO_NOR_BOOT_SIZE - 1,
+};
+
+static struct platform_device rd88f5181l_fxo_nor_boot_flash = {
+ .name = "physmap-flash",
+ .id = 0,
+ .dev = {
+ .platform_data = &rd88f5181l_fxo_nor_boot_flash_data,
+ },
+ .num_resources = 1,
+ .resource = &rd88f5181l_fxo_nor_boot_flash_resource,
+};
+
+
+/*****************************************************************************
+ * General Setup
+ ****************************************************************************/
+static struct orion5x_mpp_mode rd88f5181l_fxo_mpp_modes[] __initdata = {
+ { 0, MPP_GPIO }, /* LED1 CardBus LED (front panel) */
+ { 1, MPP_GPIO }, /* PCI_intA */
+ { 2, MPP_GPIO }, /* Hard Reset / Factory Init*/
+ { 3, MPP_GPIO }, /* FXS or DAA select */
+ { 4, MPP_GPIO }, /* LED6 - phone LED (front panel) */
+ { 5, MPP_GPIO }, /* LED5 - phone LED (front panel) */
+ { 6, MPP_PCI_CLK }, /* CPU PCI refclk */
+ { 7, MPP_PCI_CLK }, /* PCI/PCIe refclk */
+ { 8, MPP_GPIO }, /* CardBus reset */
+ { 9, MPP_GPIO }, /* GE_RXERR */
+ { 10, MPP_GPIO }, /* LED2 MiniPCI LED (front panel) */
+ { 11, MPP_GPIO }, /* Lifeline control */
+ { 12, MPP_GIGE }, /* GE_TXD[4] */
+ { 13, MPP_GIGE }, /* GE_TXD[5] */
+ { 14, MPP_GIGE }, /* GE_TXD[6] */
+ { 15, MPP_GIGE }, /* GE_TXD[7] */
+ { 16, MPP_GIGE }, /* GE_RXD[4] */
+ { 17, MPP_GIGE }, /* GE_RXD[5] */
+ { 18, MPP_GIGE }, /* GE_RXD[6] */
+ { 19, MPP_GIGE }, /* GE_RXD[7] */
+ { -1 },
+};
+
+static struct mv643xx_eth_platform_data rd88f5181l_fxo_eth_data = {
+ .phy_addr = -1,
+};
+
+static void __init rd88f5181l_fxo_init(void)
+{
+ /*
+ * Setup basic Orion functions. Need to be called early.
+ */
+ orion5x_init();
+
+ orion5x_mpp_conf(rd88f5181l_fxo_mpp_modes);
+
+ /*
+ * Configure peripherals.
+ */
+ orion5x_ehci0_init();
+ orion5x_eth_init(&rd88f5181l_fxo_eth_data);
+ orion5x_uart0_init();
+
+ orion5x_setup_dev_boot_win(RD88F5181L_FXO_NOR_BOOT_BASE,
+ RD88F5181L_FXO_NOR_BOOT_SIZE);
+ platform_device_register(&rd88f5181l_fxo_nor_boot_flash);
+}
+
+static int __init
+rd88f5181l_fxo_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+ int irq;
+
+ /*
+ * Check for devices with hard-wired IRQs.
+ */
+ irq = orion5x_pci_map_irq(dev, slot, pin);
+ if (irq != -1)
+ return irq;
+
+ /*
+ * Mini-PCI / Cardbus slot.
+ */
+ return gpio_to_irq(1);
+}
+
+static struct hw_pci rd88f5181l_fxo_pci __initdata = {
+ .nr_controllers = 2,
+ .swizzle = pci_std_swizzle,
+ .setup = orion5x_pci_sys_setup,
+ .scan = orion5x_pci_sys_scan_bus,
+ .map_irq = rd88f5181l_fxo_pci_map_irq,
+};
+
+static int __init rd88f5181l_fxo_pci_init(void)
+{
+ if (machine_is_rd88f5181l_fxo()) {
+ orion5x_pci_set_cardbus_mode();
+ pci_common_init(&rd88f5181l_fxo_pci);
+ }
+
+ return 0;
+}
+subsys_initcall(rd88f5181l_fxo_pci_init);
+
+MACHINE_START(RD88F5181L_FXO, "Marvell Orion-VoIP FXO Reference Design")
+ /* Maintainer: Nicolas Pitre <nico@marvell.com> */
+ .phys_io = ORION5X_REGS_PHYS_BASE,
+ .io_pg_offst = ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC,
+ .boot_params = 0x00000100,
+ .init_machine = rd88f5181l_fxo_init,
+ .map_io = orion5x_map_io,
+ .init_irq = orion5x_init_irq,
+ .timer = &orion5x_timer,
+ .fixup = tag_fixup_mem32,
+MACHINE_END
diff --git a/arch/arm/mach-orion5x/rd88f5181l-ge-setup.c b/arch/arm/mach-orion5x/rd88f5181l-ge-setup.c
new file mode 100644
index 00000000000..b56447d32e1
--- /dev/null
+++ b/arch/arm/mach-orion5x/rd88f5181l-ge-setup.c
@@ -0,0 +1,172 @@
+/*
+ * arch/arm/mach-orion5x/rd88f5181l-ge-setup.c
+ *
+ * Marvell Orion-VoIP GE Reference Design Setup
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/pci.h>
+#include <linux/irq.h>
+#include <linux/mtd/physmap.h>
+#include <linux/mv643xx_eth.h>
+#include <linux/i2c.h>
+#include <asm/mach-types.h>
+#include <asm/gpio.h>
+#include <asm/leds.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/pci.h>
+#include <asm/arch/orion5x.h>
+#include "common.h"
+#include "mpp.h"
+
+/*****************************************************************************
+ * RD-88F5181L GE Info
+ ****************************************************************************/
+/*
+ * 16M NOR flash Device bus boot chip select
+ */
+#define RD88F5181L_GE_NOR_BOOT_BASE 0xff000000
+#define RD88F5181L_GE_NOR_BOOT_SIZE SZ_16M
+
+
+/*****************************************************************************
+ * 16M NOR Flash on Device bus Boot chip select
+ ****************************************************************************/
+static struct physmap_flash_data rd88f5181l_ge_nor_boot_flash_data = {
+ .width = 1,
+};
+
+static struct resource rd88f5181l_ge_nor_boot_flash_resource = {
+ .flags = IORESOURCE_MEM,
+ .start = RD88F5181L_GE_NOR_BOOT_BASE,
+ .end = RD88F5181L_GE_NOR_BOOT_BASE +
+ RD88F5181L_GE_NOR_BOOT_SIZE - 1,
+};
+
+static struct platform_device rd88f5181l_ge_nor_boot_flash = {
+ .name = "physmap-flash",
+ .id = 0,
+ .dev = {
+ .platform_data = &rd88f5181l_ge_nor_boot_flash_data,
+ },
+ .num_resources = 1,
+ .resource = &rd88f5181l_ge_nor_boot_flash_resource,
+};
+
+
+/*****************************************************************************
+ * General Setup
+ ****************************************************************************/
+static struct orion5x_mpp_mode rd88f5181l_ge_mpp_modes[] __initdata = {
+ { 0, MPP_GPIO }, /* LED1 */
+ { 1, MPP_GPIO }, /* LED5 */
+ { 2, MPP_GPIO }, /* LED4 */
+ { 3, MPP_GPIO }, /* LED3 */
+ { 4, MPP_GPIO }, /* PCI_intA */
+ { 5, MPP_GPIO }, /* RTC interrupt */
+ { 6, MPP_PCI_CLK }, /* CPU PCI refclk */
+ { 7, MPP_PCI_CLK }, /* PCI/PCIe refclk */
+ { 8, MPP_GPIO }, /* 88e6131 interrupt */
+ { 9, MPP_GPIO }, /* GE_RXERR */
+ { 10, MPP_GPIO }, /* PCI_intB */
+ { 11, MPP_GPIO }, /* LED2 */
+ { 12, MPP_GIGE }, /* GE_TXD[4] */
+ { 13, MPP_GIGE }, /* GE_TXD[5] */
+ { 14, MPP_GIGE }, /* GE_TXD[6] */
+ { 15, MPP_GIGE }, /* GE_TXD[7] */
+ { 16, MPP_GIGE }, /* GE_RXD[4] */
+ { 17, MPP_GIGE }, /* GE_RXD[5] */
+ { 18, MPP_GIGE }, /* GE_RXD[6] */
+ { 19, MPP_GIGE }, /* GE_RXD[7] */
+ { -1 },
+};
+
+static struct mv643xx_eth_platform_data rd88f5181l_ge_eth_data = {
+ .phy_addr = -1,
+};
+
+static struct i2c_board_info __initdata rd88f5181l_ge_i2c_rtc = {
+ I2C_BOARD_INFO("ds1338", 0x68),
+};
+
+static void __init rd88f5181l_ge_init(void)
+{
+ /*
+ * Setup basic Orion functions. Need to be called early.
+ */
+ orion5x_init();
+
+ orion5x_mpp_conf(rd88f5181l_ge_mpp_modes);
+
+ /*
+ * Configure peripherals.
+ */
+ orion5x_ehci0_init();
+ orion5x_eth_init(&rd88f5181l_ge_eth_data);
+ orion5x_i2c_init();
+ orion5x_uart0_init();
+
+ orion5x_setup_dev_boot_win(RD88F5181L_GE_NOR_BOOT_BASE,
+ RD88F5181L_GE_NOR_BOOT_SIZE);
+ platform_device_register(&rd88f5181l_ge_nor_boot_flash);
+
+ i2c_register_board_info(0, &rd88f5181l_ge_i2c_rtc, 1);
+}
+
+static int __init
+rd88f5181l_ge_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+ int irq;
+
+ /*
+ * Check for devices with hard-wired IRQs.
+ */
+ irq = orion5x_pci_map_irq(dev, slot, pin);
+ if (irq != -1)
+ return irq;
+
+ /*
+ * Cardbus slot.
+ */
+ if (pin == 1)
+ return gpio_to_irq(4);
+ else
+ return gpio_to_irq(10);
+}
+
+static struct hw_pci rd88f5181l_ge_pci __initdata = {
+ .nr_controllers = 2,
+ .swizzle = pci_std_swizzle,
+ .setup = orion5x_pci_sys_setup,
+ .scan = orion5x_pci_sys_scan_bus,
+ .map_irq = rd88f5181l_ge_pci_map_irq,
+};
+
+static int __init rd88f5181l_ge_pci_init(void)
+{
+ if (machine_is_rd88f5181l_ge()) {
+ orion5x_pci_set_cardbus_mode();
+ pci_common_init(&rd88f5181l_ge_pci);
+ }
+
+ return 0;
+}
+subsys_initcall(rd88f5181l_ge_pci_init);
+
+MACHINE_START(RD88F5181L_GE, "Marvell Orion-VoIP GE Reference Design")
+ /* Maintainer: Lennert Buytenhek <buytenh@marvell.com> */
+ .phys_io = ORION5X_REGS_PHYS_BASE,
+ .io_pg_offst = ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC,
+ .boot_params = 0x00000100,
+ .init_machine = rd88f5181l_ge_init,
+ .map_io = orion5x_map_io,
+ .init_irq = orion5x_init_irq,
+ .timer = &orion5x_timer,
+ .fixup = tag_fixup_mem32,
+MACHINE_END
diff --git a/arch/arm/mach-orion5x/rd88f5182-setup.c b/arch/arm/mach-orion5x/rd88f5182-setup.c
index 81abc1003aa..10ae6286426 100644
--- a/arch/arm/mach-orion5x/rd88f5182-setup.c
+++ b/arch/arm/mach-orion5x/rd88f5182-setup.c
@@ -26,6 +26,7 @@
#include <asm/mach/pci.h>
#include <asm/arch/orion5x.h>
#include "common.h"
+#include "mpp.h"
/*****************************************************************************
* RD-88F5182 Info
@@ -125,6 +126,7 @@ static int __init rd88f5182_dbgled_init(void)
leds_event = rd88f5182_dbgled_event;
}
+
return 0;
}
@@ -220,7 +222,6 @@ subsys_initcall(rd88f5182_pci_init);
static struct mv643xx_eth_platform_data rd88f5182_eth_data = {
.phy_addr = 8,
- .force_phy_addr = 1,
};
/*****************************************************************************
@@ -234,15 +235,34 @@ static struct i2c_board_info __initdata rd88f5182_i2c_rtc = {
* Sata
****************************************************************************/
static struct mv_sata_platform_data rd88f5182_sata_data = {
- .n_ports = 2,
+ .n_ports = 2,
};
/*****************************************************************************
* General Setup
****************************************************************************/
-
-static struct platform_device *rd88f5182_devices[] __initdata = {
- &rd88f5182_nor_flash,
+static struct orion5x_mpp_mode rd88f5182_mpp_modes[] __initdata = {
+ { 0, MPP_GPIO }, /* Debug Led */
+ { 1, MPP_GPIO }, /* Reset Switch */
+ { 2, MPP_UNUSED },
+ { 3, MPP_GPIO }, /* RTC Int */
+ { 4, MPP_GPIO },
+ { 5, MPP_GPIO },
+ { 6, MPP_GPIO }, /* PCI_intA */
+ { 7, MPP_GPIO }, /* PCI_intB */
+ { 8, MPP_UNUSED },
+ { 9, MPP_UNUSED },
+ { 10, MPP_UNUSED },
+ { 11, MPP_UNUSED },
+ { 12, MPP_SATA_LED }, /* SATA 0 presence */
+ { 13, MPP_SATA_LED }, /* SATA 1 presence */
+ { 14, MPP_SATA_LED }, /* SATA 0 active */
+ { 15, MPP_SATA_LED }, /* SATA 1 active */
+ { 16, MPP_UNUSED },
+ { 17, MPP_UNUSED },
+ { 18, MPP_UNUSED },
+ { 19, MPP_UNUSED },
+ { -1 },
};
static void __init rd88f5182_init(void)
@@ -252,35 +272,9 @@ static void __init rd88f5182_init(void)
*/
orion5x_init();
- /*
- * Setup the CPU address decode windows for our devices
- */
- orion5x_setup_dev_boot_win(RD88F5182_NOR_BOOT_BASE,
- RD88F5182_NOR_BOOT_SIZE);
- orion5x_setup_dev1_win(RD88F5182_NOR_BASE, RD88F5182_NOR_SIZE);
-
- /*
- * Open a special address decode windows for the PCIe WA.
- */
- orion5x_setup_pcie_wa_win(ORION5X_PCIE_WA_PHYS_BASE,
- ORION5X_PCIE_WA_SIZE);
+ orion5x_mpp_conf(rd88f5182_mpp_modes);
/*
- * Setup Multiplexing Pins --
- * MPP[0] Debug Led (GPIO - Out)
- * MPP[1] Debug Led (GPIO - Out)
- * MPP[2] N/A
- * MPP[3] RTC_Int (GPIO - In)
- * MPP[4] GPIO
- * MPP[5] GPIO
- * MPP[6] PCI_intA (GPIO - In)
- * MPP[7] PCI_intB (GPIO - In)
- * MPP[8-11] N/A
- * MPP[12] SATA 0 presence Indication
- * MPP[13] SATA 1 presence Indication
- * MPP[14] SATA 0 active Indication
- * MPP[15] SATA 1 active indication
- * MPP[16-19] Not used
* MPP[20] PCI Clock to MV88F5182
* MPP[21] PCI Clock to mini PCI CON11
* MPP[22] USB 0 over current indication
@@ -289,16 +283,23 @@ static void __init rd88f5182_init(void)
* MPP[25] USB 0 over current enable
*/
- orion5x_write(MPP_0_7_CTRL, 0x00000003);
- orion5x_write(MPP_8_15_CTRL, 0x55550000);
- orion5x_write(MPP_16_19_CTRL, 0x5555);
+ /*
+ * Configure peripherals.
+ */
+ orion5x_ehci0_init();
+ orion5x_ehci1_init();
+ orion5x_eth_init(&rd88f5182_eth_data);
+ orion5x_i2c_init();
+ orion5x_sata_init(&rd88f5182_sata_data);
+ orion5x_uart0_init();
- orion5x_gpio_set_valid_pins(0x000000fb);
+ orion5x_setup_dev_boot_win(RD88F5182_NOR_BOOT_BASE,
+ RD88F5182_NOR_BOOT_SIZE);
+
+ orion5x_setup_dev1_win(RD88F5182_NOR_BASE, RD88F5182_NOR_SIZE);
+ platform_device_register(&rd88f5182_nor_flash);
- platform_add_devices(rd88f5182_devices, ARRAY_SIZE(rd88f5182_devices));
i2c_register_board_info(0, &rd88f5182_i2c_rtc, 1);
- orion5x_eth_init(&rd88f5182_eth_data);
- orion5x_sata_init(&rd88f5182_sata_data);
}
MACHINE_START(RD88F5182, "Marvell Orion-NAS Reference Design")
diff --git a/arch/arm/mach-orion5x/ts209-setup.c b/arch/arm/mach-orion5x/ts209-setup.c
index 9afb41ee6e0..a9cef9703d5 100644
--- a/arch/arm/mach-orion5x/ts209-setup.c
+++ b/arch/arm/mach-orion5x/ts209-setup.c
@@ -28,6 +28,8 @@
#include <asm/mach/pci.h>
#include <asm/arch/orion5x.h>
#include "common.h"
+#include "mpp.h"
+#include "tsx09-common.h"
#define QNAP_TS209_NOR_BOOT_BASE 0xf4000000
#define QNAP_TS209_NOR_BOOT_SIZE SZ_8M
@@ -47,52 +49,54 @@
***************************************************************************/
static struct mtd_partition qnap_ts209_partitions[] = {
{
- .name = "U-Boot",
- .size = 0x00080000,
- .offset = 0x00780000,
- .mask_flags = MTD_WRITEABLE,
+ .name = "U-Boot",
+ .size = 0x00080000,
+ .offset = 0x00780000,
+ .mask_flags = MTD_WRITEABLE,
}, {
- .name = "Kernel",
- .size = 0x00200000,
- .offset = 0,
+ .name = "Kernel",
+ .size = 0x00200000,
+ .offset = 0,
}, {
- .name = "RootFS1",
- .size = 0x00400000,
- .offset = 0x00200000,
+ .name = "RootFS1",
+ .size = 0x00400000,
+ .offset = 0x00200000,
}, {
- .name = "RootFS2",
- .size = 0x00100000,
- .offset = 0x00600000,
+ .name = "RootFS2",
+ .size = 0x00100000,
+ .offset = 0x00600000,
}, {
- .name = "U-Boot Config",
- .size = 0x00020000,
- .offset = 0x00760000,
+ .name = "U-Boot Config",
+ .size = 0x00020000,
+ .offset = 0x00760000,
}, {
- .name = "NAS Config",
- .size = 0x00060000,
- .offset = 0x00700000,
- .mask_flags = MTD_WRITEABLE,
- }
+ .name = "NAS Config",
+ .size = 0x00060000,
+ .offset = 0x00700000,
+ .mask_flags = MTD_WRITEABLE,
+ },
};
static struct physmap_flash_data qnap_ts209_nor_flash_data = {
- .width = 1,
- .parts = qnap_ts209_partitions,
- .nr_parts = ARRAY_SIZE(qnap_ts209_partitions)
+ .width = 1,
+ .parts = qnap_ts209_partitions,
+ .nr_parts = ARRAY_SIZE(qnap_ts209_partitions)
};
static struct resource qnap_ts209_nor_flash_resource = {
- .flags = IORESOURCE_MEM,
- .start = QNAP_TS209_NOR_BOOT_BASE,
- .end = QNAP_TS209_NOR_BOOT_BASE + QNAP_TS209_NOR_BOOT_SIZE - 1,
+ .flags = IORESOURCE_MEM,
+ .start = QNAP_TS209_NOR_BOOT_BASE,
+ .end = QNAP_TS209_NOR_BOOT_BASE + QNAP_TS209_NOR_BOOT_SIZE - 1,
};
static struct platform_device qnap_ts209_nor_flash = {
- .name = "physmap-flash",
- .id = 0,
- .dev = { .platform_data = &qnap_ts209_nor_flash_data, },
- .resource = &qnap_ts209_nor_flash_resource,
- .num_resources = 1,
+ .name = "physmap-flash",
+ .id = 0,
+ .dev = {
+ .platform_data = &qnap_ts209_nor_flash_data,
+ },
+ .resource = &qnap_ts209_nor_flash_resource,
+ .num_resources = 1,
};
/*****************************************************************************
@@ -164,12 +168,12 @@ static int __init qnap_ts209_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
}
static struct hw_pci qnap_ts209_pci __initdata = {
- .nr_controllers = 2,
- .preinit = qnap_ts209_pci_preinit,
- .swizzle = pci_std_swizzle,
- .setup = orion5x_pci_sys_setup,
- .scan = orion5x_pci_sys_scan_bus,
- .map_irq = qnap_ts209_pci_map_irq,
+ .nr_controllers = 2,
+ .preinit = qnap_ts209_pci_preinit,
+ .swizzle = pci_std_swizzle,
+ .setup = orion5x_pci_sys_setup,
+ .scan = orion5x_pci_sys_scan_bus,
+ .map_irq = qnap_ts209_pci_map_irq,
};
static int __init qnap_ts209_pci_init(void)
@@ -183,96 +187,6 @@ static int __init qnap_ts209_pci_init(void)
subsys_initcall(qnap_ts209_pci_init);
/*****************************************************************************
- * Ethernet
- ****************************************************************************/
-
-static struct mv643xx_eth_platform_data qnap_ts209_eth_data = {
- .phy_addr = 8,
- .force_phy_addr = 1,
-};
-
-static int __init parse_hex_nibble(char n)
-{
- if (n >= '0' && n <= '9')
- return n - '0';
-
- if (n >= 'A' && n <= 'F')
- return n - 'A' + 10;
-
- if (n >= 'a' && n <= 'f')
- return n - 'a' + 10;
-
- return -1;
-}
-
-static int __init parse_hex_byte(const char *b)
-{
- int hi;
- int lo;
-
- hi = parse_hex_nibble(b[0]);
- lo = parse_hex_nibble(b[1]);
-
- if (hi < 0 || lo < 0)
- return -1;
-
- return (hi << 4) | lo;
-}
-
-static int __init check_mac_addr(const char *addr_str)
-{
- u_int8_t addr[6];
- int i;
-
- for (i = 0; i < 6; i++) {
- int byte;
-
- /*
- * Enforce "xx:xx:xx:xx:xx:xx\n" format.
- */
- if (addr_str[(i * 3) + 2] != ((i < 5) ? ':' : '\n'))
- return -1;
-
- byte = parse_hex_byte(addr_str + (i * 3));
- if (byte < 0)
- return -1;
- addr[i] = byte;
- }
-
- printk(KERN_INFO "ts209: found ethernet mac address ");
- for (i = 0; i < 6; i++)
- printk("%.2x%s", addr[i], (i < 5) ? ":" : ".\n");
-
- memcpy(qnap_ts209_eth_data.mac_addr, addr, 6);
-
- return 0;
-}
-
-/*
- * The 'NAS Config' flash partition has an ext2 filesystem which
- * contains a file that has the ethernet MAC address in plain text
- * (format "xx:xx:xx:xx:xx:xx\n".)
- */
-static void __init ts209_find_mac_addr(void)
-{
- unsigned long addr;
-
- for (addr = 0x00700000; addr < 0x00760000; addr += 1024) {
- char *nor_page;
- int ret = 0;
-
- nor_page = ioremap(QNAP_TS209_NOR_BOOT_BASE + addr, 1024);
- if (nor_page != NULL) {
- ret = check_mac_addr(nor_page);
- iounmap(nor_page);
- }
-
- if (ret == 0)
- break;
- }
-}
-
-/*****************************************************************************
* RTC S35390A on I2C bus
****************************************************************************/
@@ -280,7 +194,7 @@ static void __init ts209_find_mac_addr(void)
static struct i2c_board_info __initdata qnap_ts209_i2c_rtc = {
I2C_BOARD_INFO("s35390a", 0x30),
- .irq = 0,
+ .irq = 0,
};
/****************************************************************************
@@ -297,70 +211,63 @@ static struct gpio_keys_button qnap_ts209_buttons[] = {
.gpio = QNAP_TS209_GPIO_KEY_MEDIA,
.desc = "USB Copy Button",
.active_low = 1,
- },
- {
+ }, {
.code = KEY_POWER,
.gpio = QNAP_TS209_GPIO_KEY_RESET,
.desc = "Reset Button",
.active_low = 1,
- }
+ },
};
static struct gpio_keys_platform_data qnap_ts209_button_data = {
.buttons = qnap_ts209_buttons,
- .nbuttons = ARRAY_SIZE(qnap_ts209_buttons),
+ .nbuttons = ARRAY_SIZE(qnap_ts209_buttons),
};
static struct platform_device qnap_ts209_button_device = {
.name = "gpio-keys",
.id = -1,
.num_resources = 0,
- .dev = { .platform_data = &qnap_ts209_button_data, },
+ .dev = {
+ .platform_data = &qnap_ts209_button_data,
+ },
};
/*****************************************************************************
* SATA
****************************************************************************/
static struct mv_sata_platform_data qnap_ts209_sata_data = {
- .n_ports = 2,
+ .n_ports = 2,
};
/*****************************************************************************
* General Setup
****************************************************************************/
-
-static struct platform_device *qnap_ts209_devices[] __initdata = {
- &qnap_ts209_nor_flash,
- &qnap_ts209_button_device,
+static struct orion5x_mpp_mode ts209_mpp_modes[] __initdata = {
+ { 0, MPP_UNUSED },
+ { 1, MPP_GPIO }, /* USB copy button */
+ { 2, MPP_GPIO }, /* Load defaults button */
+ { 3, MPP_GPIO }, /* GPIO RTC */
+ { 4, MPP_UNUSED },
+ { 5, MPP_UNUSED },
+ { 6, MPP_GPIO }, /* PCI Int A */
+ { 7, MPP_GPIO }, /* PCI Int B */
+ { 8, MPP_UNUSED },
+ { 9, MPP_UNUSED },
+ { 10, MPP_UNUSED },
+ { 11, MPP_UNUSED },
+ { 12, MPP_SATA_LED }, /* SATA 0 presence */
+ { 13, MPP_SATA_LED }, /* SATA 1 presence */
+ { 14, MPP_SATA_LED }, /* SATA 0 active */
+ { 15, MPP_SATA_LED }, /* SATA 1 active */
+ { 16, MPP_UART }, /* UART1 RXD */
+ { 17, MPP_UART }, /* UART1 TXD */
+ { 18, MPP_GPIO }, /* SW_RST */
+ { 19, MPP_UNUSED },
+ { -1 },
};
-/*
- * QNAP TS-[12]09 specific power off method via UART1-attached PIC
- */
-
-#define UART1_REG(x) (UART1_VIRT_BASE + ((UART_##x) << 2))
-
-static void qnap_ts209_power_off(void)
-{
- /* 19200 baud divisor */
- const unsigned divisor = ((ORION5X_TCLK + (8 * 19200)) / (16 * 19200));
-
- pr_info("%s: triggering power-off...\n", __func__);
-
- /* hijack uart1 and reset into sane state (19200,8n1) */
- orion5x_write(UART1_REG(LCR), 0x83);
- orion5x_write(UART1_REG(DLL), divisor & 0xff);
- orion5x_write(UART1_REG(DLM), (divisor >> 8) & 0xff);
- orion5x_write(UART1_REG(LCR), 0x03);
- orion5x_write(UART1_REG(IER), 0x00);
- orion5x_write(UART1_REG(FCR), 0x00);
- orion5x_write(UART1_REG(MCR), 0x00);
-
- /* send the power-off command 'A' to PIC */
- orion5x_write(UART1_REG(TX), 'A');
-}
-
static void __init qnap_ts209_init(void)
{
/*
@@ -368,51 +275,33 @@ static void __init qnap_ts209_init(void)
*/
orion5x_init();
- /*
- * Setup flash mapping
- */
- orion5x_setup_dev_boot_win(QNAP_TS209_NOR_BOOT_BASE,
- QNAP_TS209_NOR_BOOT_SIZE);
-
- /*
- * Open a special address decode windows for the PCIe WA.
- */
- orion5x_setup_pcie_wa_win(ORION5X_PCIE_WA_PHYS_BASE,
- ORION5X_PCIE_WA_SIZE);
+ orion5x_mpp_conf(ts209_mpp_modes);
/*
- * Setup Multiplexing Pins --
- * MPP[0] Reserved
- * MPP[1] USB copy button (0 active)
- * MPP[2] Load defaults button (0 active)
- * MPP[3] GPIO RTC
- * MPP[4-5] Reserved
- * MPP[6] PCI Int A
- * MPP[7] PCI Int B
- * MPP[8-11] Reserved
- * MPP[12] SATA 0 presence
- * MPP[13] SATA 1 presence
- * MPP[14] SATA 0 active
- * MPP[15] SATA 1 active
- * MPP[16] UART1 RXD
- * MPP[17] UART1 TXD
- * MPP[18] SW_RST (0 active)
- * MPP[19] Reserved
* MPP[20] PCI clock 0
* MPP[21] PCI clock 1
* MPP[22] USB 0 over current
* MPP[23-25] Reserved
*/
- orion5x_write(MPP_0_7_CTRL, 0x3);
- orion5x_write(MPP_8_15_CTRL, 0x55550000);
- orion5x_write(MPP_16_19_CTRL, 0x5500);
- orion5x_gpio_set_valid_pins(0x3cc0fff);
- /* register ts209 specific power-off method */
- pm_power_off = qnap_ts209_power_off;
+ /*
+ * Configure peripherals.
+ */
+ orion5x_ehci0_init();
+ orion5x_ehci1_init();
+ qnap_tsx09_find_mac_addr(QNAP_TS209_NOR_BOOT_BASE +
+ qnap_ts209_partitions[5].offset,
+ qnap_ts209_partitions[5].size);
+ orion5x_eth_init(&qnap_tsx09_eth_data);
+ orion5x_i2c_init();
+ orion5x_sata_init(&qnap_ts209_sata_data);
+ orion5x_uart0_init();
+
+ orion5x_setup_dev_boot_win(QNAP_TS209_NOR_BOOT_BASE,
+ QNAP_TS209_NOR_BOOT_SIZE);
+ platform_device_register(&qnap_ts209_nor_flash);
- platform_add_devices(qnap_ts209_devices,
- ARRAY_SIZE(qnap_ts209_devices));
+ platform_device_register(&qnap_ts209_button_device);
/* Get RTC IRQ and register the chip */
if (gpio_request(TS209_RTC_GPIO, "rtc") == 0) {
@@ -425,14 +314,12 @@ static void __init qnap_ts209_init(void)
pr_warning("qnap_ts209_init: failed to get RTC IRQ\n");
i2c_register_board_info(0, &qnap_ts209_i2c_rtc, 1);
- ts209_find_mac_addr();
- orion5x_eth_init(&qnap_ts209_eth_data);
-
- orion5x_sata_init(&qnap_ts209_sata_data);
+ /* register tsx09 specific power-off method */
+ pm_power_off = qnap_tsx09_power_off;
}
MACHINE_START(TS209, "QNAP TS-109/TS-209")
- /* Maintainer: Byron Bradley <byron.bbradley@gmail.com> */
+ /* Maintainer: Byron Bradley <byron.bbradley@gmail.com> */
.phys_io = ORION5X_REGS_PHYS_BASE,
.io_pg_offst = ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC,
.boot_params = 0x00000100,
diff --git a/arch/arm/mach-orion5x/ts409-setup.c b/arch/arm/mach-orion5x/ts409-setup.c
new file mode 100644
index 00000000000..32f0ff073b7
--- /dev/null
+++ b/arch/arm/mach-orion5x/ts409-setup.c
@@ -0,0 +1,273 @@
+/*
+ * QNAP TS-409 Board Setup
+ *
+ * Maintainer: Sylver Bruneau <sylver.bruneau@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/pci.h>
+#include <linux/irq.h>
+#include <linux/mtd/physmap.h>
+#include <linux/mv643xx_eth.h>
+#include <linux/gpio_keys.h>
+#include <linux/input.h>
+#include <linux/i2c.h>
+#include <linux/serial_reg.h>
+#include <asm/mach-types.h>
+#include <asm/gpio.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/pci.h>
+#include <asm/arch/orion5x.h>
+#include "common.h"
+#include "mpp.h"
+#include "tsx09-common.h"
+
+/*****************************************************************************
+ * QNAP TS-409 Info
+ ****************************************************************************/
+
+/*
+ * QNAP TS-409 hardware :
+ * - Marvell 88F5281-D0
+ * - Marvell 88SX7042 SATA controller (PCIe)
+ * - Marvell 88E1118 Gigabit Ethernet PHY
+ * - RTC S35390A (@0x30) on I2C bus
+ * - 8MB NOR flash
+ * - 256MB of DDR-2 RAM
+ */
+
+/*
+ * 8MB NOR flash Device bus boot chip select
+ */
+
+#define QNAP_TS409_NOR_BOOT_BASE 0xff800000
+#define QNAP_TS409_NOR_BOOT_SIZE SZ_8M
+
+/****************************************************************************
+ * 8MiB NOR flash. The struct mtd_partition is not in the same order as the
+ * partitions on the device because we want to keep compatability with
+ * existing QNAP firmware.
+ *
+ * Layout as used by QNAP:
+ * [2] 0x00000000-0x00200000 : "Kernel"
+ * [3] 0x00200000-0x00600000 : "RootFS1"
+ * [4] 0x00600000-0x00700000 : "RootFS2"
+ * [6] 0x00700000-0x00760000 : "NAS Config" (read-only)
+ * [5] 0x00760000-0x00780000 : "U-Boot Config"
+ * [1] 0x00780000-0x00800000 : "U-Boot" (read-only)
+ ***************************************************************************/
+static struct mtd_partition qnap_ts409_partitions[] = {
+ {
+ .name = "U-Boot",
+ .size = 0x00080000,
+ .offset = 0x00780000,
+ .mask_flags = MTD_WRITEABLE,
+ }, {
+ .name = "Kernel",
+ .size = 0x00200000,
+ .offset = 0,
+ }, {
+ .name = "RootFS1",
+ .size = 0x00400000,
+ .offset = 0x00200000,
+ }, {
+ .name = "RootFS2",
+ .size = 0x00100000,
+ .offset = 0x00600000,
+ }, {
+ .name = "U-Boot Config",
+ .size = 0x00020000,
+ .offset = 0x00760000,
+ }, {
+ .name = "NAS Config",
+ .size = 0x00060000,
+ .offset = 0x00700000,
+ .mask_flags = MTD_WRITEABLE,
+ },
+};
+
+static struct physmap_flash_data qnap_ts409_nor_flash_data = {
+ .width = 1,
+ .parts = qnap_ts409_partitions,
+ .nr_parts = ARRAY_SIZE(qnap_ts409_partitions)
+};
+
+static struct resource qnap_ts409_nor_flash_resource = {
+ .flags = IORESOURCE_MEM,
+ .start = QNAP_TS409_NOR_BOOT_BASE,
+ .end = QNAP_TS409_NOR_BOOT_BASE + QNAP_TS409_NOR_BOOT_SIZE - 1,
+};
+
+static struct platform_device qnap_ts409_nor_flash = {
+ .name = "physmap-flash",
+ .id = 0,
+ .dev = { .platform_data = &qnap_ts409_nor_flash_data, },
+ .num_resources = 1,
+ .resource = &qnap_ts409_nor_flash_resource,
+};
+
+/*****************************************************************************
+ * PCI
+ ****************************************************************************/
+
+static int __init qnap_ts409_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+ int irq;
+
+ /*
+ * Check for devices with hard-wired IRQs.
+ */
+ irq = orion5x_pci_map_irq(dev, slot, pin);
+ if (irq != -1)
+ return irq;
+
+ /*
+ * PCI isn't used on the TS-409
+ */
+ return -1;
+}
+
+static struct hw_pci qnap_ts409_pci __initdata = {
+ .nr_controllers = 2,
+ .swizzle = pci_std_swizzle,
+ .setup = orion5x_pci_sys_setup,
+ .scan = orion5x_pci_sys_scan_bus,
+ .map_irq = qnap_ts409_pci_map_irq,
+};
+
+static int __init qnap_ts409_pci_init(void)
+{
+ if (machine_is_ts409())
+ pci_common_init(&qnap_ts409_pci);
+
+ return 0;
+}
+
+subsys_initcall(qnap_ts409_pci_init);
+
+/*****************************************************************************
+ * RTC S35390A on I2C bus
+ ****************************************************************************/
+
+#define TS409_RTC_GPIO 10
+
+static struct i2c_board_info __initdata qnap_ts409_i2c_rtc = {
+ I2C_BOARD_INFO("s35390a", 0x30),
+};
+
+/****************************************************************************
+ * GPIO Attached Keys
+ * Power button is attached to the PIC microcontroller
+ ****************************************************************************/
+
+#define QNAP_TS409_GPIO_KEY_MEDIA 15
+
+static struct gpio_keys_button qnap_ts409_buttons[] = {
+ {
+ .code = KEY_RESTART,
+ .gpio = QNAP_TS409_GPIO_KEY_MEDIA,
+ .desc = "USB Copy Button",
+ .active_low = 1,
+ },
+};
+
+static struct gpio_keys_platform_data qnap_ts409_button_data = {
+ .buttons = qnap_ts409_buttons,
+ .nbuttons = ARRAY_SIZE(qnap_ts409_buttons),
+};
+
+static struct platform_device qnap_ts409_button_device = {
+ .name = "gpio-keys",
+ .id = -1,
+ .num_resources = 0,
+ .dev = {
+ .platform_data = &qnap_ts409_button_data,
+ },
+};
+
+/*****************************************************************************
+ * General Setup
+ ****************************************************************************/
+static struct orion5x_mpp_mode ts409_mpp_modes[] __initdata = {
+ { 0, MPP_UNUSED },
+ { 1, MPP_UNUSED },
+ { 2, MPP_UNUSED },
+ { 3, MPP_UNUSED },
+ { 4, MPP_GPIO }, /* HDD 1 status */
+ { 5, MPP_GPIO }, /* HDD 2 status */
+ { 6, MPP_GPIO }, /* HDD 3 status */
+ { 7, MPP_GPIO }, /* HDD 4 status */
+ { 8, MPP_UNUSED },
+ { 9, MPP_UNUSED },
+ { 10, MPP_GPIO }, /* RTC int */
+ { 11, MPP_UNUSED },
+ { 12, MPP_UNUSED },
+ { 13, MPP_UNUSED },
+ { 14, MPP_GPIO }, /* SW_RST */
+ { 15, MPP_GPIO }, /* USB copy button */
+ { 16, MPP_UART }, /* UART1 RXD */
+ { 17, MPP_UART }, /* UART1 TXD */
+ { 18, MPP_UNUSED },
+ { 19, MPP_UNUSED },
+ { -1 },
+};
+
+static void __init qnap_ts409_init(void)
+{
+ /*
+ * Setup basic Orion functions. Need to be called early.
+ */
+ orion5x_init();
+
+ orion5x_mpp_conf(ts409_mpp_modes);
+
+ /*
+ * Configure peripherals.
+ */
+ orion5x_ehci0_init();
+ qnap_tsx09_find_mac_addr(QNAP_TS409_NOR_BOOT_BASE +
+ qnap_ts409_partitions[5].offset,
+ qnap_ts409_partitions[5].size);
+ orion5x_eth_init(&qnap_tsx09_eth_data);
+ orion5x_i2c_init();
+ orion5x_uart0_init();
+
+ orion5x_setup_dev_boot_win(QNAP_TS409_NOR_BOOT_BASE,
+ QNAP_TS409_NOR_BOOT_SIZE);
+ platform_device_register(&qnap_ts409_nor_flash);
+
+ platform_device_register(&qnap_ts409_button_device);
+
+ /* Get RTC IRQ and register the chip */
+ if (gpio_request(TS409_RTC_GPIO, "rtc") == 0) {
+ if (gpio_direction_input(TS409_RTC_GPIO) == 0)
+ qnap_ts409_i2c_rtc.irq = gpio_to_irq(TS409_RTC_GPIO);
+ else
+ gpio_free(TS409_RTC_GPIO);
+ }
+ if (qnap_ts409_i2c_rtc.irq == 0)
+ pr_warning("qnap_ts409_init: failed to get RTC IRQ\n");
+ i2c_register_board_info(0, &qnap_ts409_i2c_rtc, 1);
+
+ /* register tsx09 specific power-off method */
+ pm_power_off = qnap_tsx09_power_off;
+}
+
+MACHINE_START(TS409, "QNAP TS-409")
+ /* Maintainer: Sylver Bruneau <sylver.bruneau@gmail.com> */
+ .phys_io = ORION5X_REGS_PHYS_BASE,
+ .io_pg_offst = ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC,
+ .boot_params = 0x00000100,
+ .init_machine = qnap_ts409_init,
+ .map_io = orion5x_map_io,
+ .init_irq = orion5x_init_irq,
+ .timer = &orion5x_timer,
+ .fixup = tag_fixup_mem32,
+MACHINE_END
diff --git a/arch/arm/mach-orion5x/ts78xx-setup.c b/arch/arm/mach-orion5x/ts78xx-setup.c
new file mode 100644
index 00000000000..77e9f351f07
--- /dev/null
+++ b/arch/arm/mach-orion5x/ts78xx-setup.c
@@ -0,0 +1,277 @@
+/*
+ * arch/arm/mach-orion5x/ts78xx-setup.c
+ *
+ * Maintainer: Alexander Clouter <alex@digriz.org.uk>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/physmap.h>
+#include <linux/mv643xx_eth.h>
+#include <linux/ata_platform.h>
+#include <linux/m48t86.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/arch/orion5x.h>
+#include "common.h"
+#include "mpp.h"
+
+/*****************************************************************************
+ * TS-78xx Info
+ ****************************************************************************/
+
+/*
+ * FPGA - lives where the PCI bus would be at ORION5X_PCI_MEM_PHYS_BASE
+ */
+#define TS78XX_FPGA_REGS_PHYS_BASE 0xe8000000
+#define TS78XX_FPGA_REGS_VIRT_BASE 0xff900000
+#define TS78XX_FPGA_REGS_SIZE SZ_1M
+
+#define TS78XX_FPGA_REGS_SYSCON_ID (TS78XX_FPGA_REGS_VIRT_BASE | 0x000)
+#define TS78XX_FPGA_REGS_SYSCON_LCDI (TS78XX_FPGA_REGS_VIRT_BASE | 0x004)
+#define TS78XX_FPGA_REGS_SYSCON_LCDO (TS78XX_FPGA_REGS_VIRT_BASE | 0x008)
+
+#define TS78XX_FPGA_REGS_RTC_CTRL (TS78XX_FPGA_REGS_VIRT_BASE | 0x808)
+#define TS78XX_FPGA_REGS_RTC_DATA (TS78XX_FPGA_REGS_VIRT_BASE | 0x80c)
+
+/*
+ * 512kB NOR flash Device
+ */
+#define TS78XX_NOR_BOOT_BASE 0xff800000
+#define TS78XX_NOR_BOOT_SIZE SZ_512K
+
+/*****************************************************************************
+ * I/O Address Mapping
+ ****************************************************************************/
+static struct map_desc ts78xx_io_desc[] __initdata = {
+ {
+ .virtual = TS78XX_FPGA_REGS_VIRT_BASE,
+ .pfn = __phys_to_pfn(TS78XX_FPGA_REGS_PHYS_BASE),
+ .length = TS78XX_FPGA_REGS_SIZE,
+ .type = MT_DEVICE,
+ },
+};
+
+void __init ts78xx_map_io(void)
+{
+ orion5x_map_io();
+ iotable_init(ts78xx_io_desc, ARRAY_SIZE(ts78xx_io_desc));
+}
+
+/*****************************************************************************
+ * 512kB NOR Boot Flash - the chip is a M25P40
+ ****************************************************************************/
+static struct mtd_partition ts78xx_nor_boot_flash_resources[] = {
+ {
+ .name = "ts-bootrom",
+ .offset = 0,
+ /* only the first 256kB is used */
+ .size = SZ_256K,
+ .mask_flags = MTD_WRITEABLE,
+ },
+};
+
+static struct physmap_flash_data ts78xx_nor_boot_flash_data = {
+ .width = 1,
+ .parts = ts78xx_nor_boot_flash_resources,
+ .nr_parts = ARRAY_SIZE(ts78xx_nor_boot_flash_resources),
+};
+
+static struct resource ts78xx_nor_boot_flash_resource = {
+ .flags = IORESOURCE_MEM,
+ .start = TS78XX_NOR_BOOT_BASE,
+ .end = TS78XX_NOR_BOOT_BASE + TS78XX_NOR_BOOT_SIZE - 1,
+};
+
+static struct platform_device ts78xx_nor_boot_flash = {
+ .name = "physmap-flash",
+ .id = -1,
+ .dev = {
+ .platform_data = &ts78xx_nor_boot_flash_data,
+ },
+ .num_resources = 1,
+ .resource = &ts78xx_nor_boot_flash_resource,
+};
+
+/*****************************************************************************
+ * Ethernet
+ ****************************************************************************/
+static struct mv643xx_eth_platform_data ts78xx_eth_data = {
+ .phy_addr = 0,
+ .force_phy_addr = 1,
+};
+
+/*****************************************************************************
+ * RTC M48T86 - nicked^Wborrowed from arch/arm/mach-ep93xx/ts72xx.c
+ ****************************************************************************/
+#ifdef CONFIG_RTC_DRV_M48T86
+static unsigned char ts78xx_rtc_readbyte(unsigned long addr)
+{
+ writeb(addr, TS78XX_FPGA_REGS_RTC_CTRL);
+ return readb(TS78XX_FPGA_REGS_RTC_DATA);
+}
+
+static void ts78xx_rtc_writebyte(unsigned char value, unsigned long addr)
+{
+ writeb(addr, TS78XX_FPGA_REGS_RTC_CTRL);
+ writeb(value, TS78XX_FPGA_REGS_RTC_DATA);
+}
+
+static struct m48t86_ops ts78xx_rtc_ops = {
+ .readbyte = ts78xx_rtc_readbyte,
+ .writebyte = ts78xx_rtc_writebyte,
+};
+
+static struct platform_device ts78xx_rtc_device = {
+ .name = "rtc-m48t86",
+ .id = -1,
+ .dev = {
+ .platform_data = &ts78xx_rtc_ops,
+ },
+ .num_resources = 0,
+};
+
+/*
+ * TS uses some of the user storage space on the RTC chip so see if it is
+ * present; as it's an optional feature at purchase time and not all boards
+ * will have it present
+ *
+ * I've used the method TS use in their rtc7800.c example for the detection
+ *
+ * TODO: track down a guinea pig without an RTC to see if we can work out a
+ * better RTC detection routine
+ */
+static int __init ts78xx_rtc_init(void)
+{
+ unsigned char tmp_rtc0, tmp_rtc1;
+
+ tmp_rtc0 = ts78xx_rtc_readbyte(126);
+ tmp_rtc1 = ts78xx_rtc_readbyte(127);
+
+ ts78xx_rtc_writebyte(0x00, 126);
+ ts78xx_rtc_writebyte(0x55, 127);
+ if (ts78xx_rtc_readbyte(127) == 0x55) {
+ ts78xx_rtc_writebyte(0xaa, 127);
+ if (ts78xx_rtc_readbyte(127) == 0xaa
+ && ts78xx_rtc_readbyte(126) == 0x00) {
+ ts78xx_rtc_writebyte(tmp_rtc0, 126);
+ ts78xx_rtc_writebyte(tmp_rtc1, 127);
+ platform_device_register(&ts78xx_rtc_device);
+ return 1;
+ }
+ }
+
+ return 0;
+};
+#else
+static int __init ts78xx_rtc_init(void)
+{
+ return 0;
+}
+#endif
+
+/*****************************************************************************
+ * SATA
+ ****************************************************************************/
+static struct mv_sata_platform_data ts78xx_sata_data = {
+ .n_ports = 2,
+};
+
+/*****************************************************************************
+ * print some information regarding the board
+ ****************************************************************************/
+static void __init ts78xx_print_board_id(void)
+{
+ unsigned int board_info;
+
+ board_info = readl(TS78XX_FPGA_REGS_SYSCON_ID);
+ printk(KERN_INFO "TS-78xx Info: FPGA rev=%.2x, Board Magic=%.6x, ",
+ board_info & 0xff,
+ (board_info >> 8) & 0xffffff);
+ board_info = readl(TS78XX_FPGA_REGS_SYSCON_LCDI);
+ printk("JP1=%d, JP2=%d\n",
+ (board_info >> 30) & 0x1,
+ (board_info >> 31) & 0x1);
+};
+
+/*****************************************************************************
+ * General Setup
+ ****************************************************************************/
+static struct orion5x_mpp_mode ts78xx_mpp_modes[] __initdata = {
+ { 0, MPP_UNUSED },
+ { 1, MPP_GPIO }, /* JTAG Clock */
+ { 2, MPP_GPIO }, /* JTAG Data In */
+ { 3, MPP_GPIO }, /* Lat ECP2 256 FPGA - PB2B */
+ { 4, MPP_GPIO }, /* JTAG Data Out */
+ { 5, MPP_GPIO }, /* JTAG TMS */
+ { 6, MPP_GPIO }, /* Lat ECP2 256 FPGA - PB31A_CLK4+ */
+ { 7, MPP_GPIO }, /* Lat ECP2 256 FPGA - PB22B */
+ { 8, MPP_UNUSED },
+ { 9, MPP_UNUSED },
+ { 10, MPP_UNUSED },
+ { 11, MPP_UNUSED },
+ { 12, MPP_UNUSED },
+ { 13, MPP_UNUSED },
+ { 14, MPP_UNUSED },
+ { 15, MPP_UNUSED },
+ { 16, MPP_UART },
+ { 17, MPP_UART },
+ { 18, MPP_UART },
+ { 19, MPP_UART },
+ { -1 },
+};
+
+static void __init ts78xx_init(void)
+{
+ /*
+ * Setup basic Orion functions. Need to be called early.
+ */
+ orion5x_init();
+
+ ts78xx_print_board_id();
+
+ orion5x_mpp_conf(ts78xx_mpp_modes);
+
+ /*
+ * MPP[20] PCI Clock Out 1
+ * MPP[21] PCI Clock Out 0
+ * MPP[22] Unused
+ * MPP[23] Unused
+ * MPP[24] Unused
+ * MPP[25] Unused
+ */
+
+ /*
+ * Configure peripherals.
+ */
+ orion5x_ehci0_init();
+ orion5x_ehci1_init();
+ orion5x_eth_init(&ts78xx_eth_data);
+ orion5x_sata_init(&ts78xx_sata_data);
+ orion5x_uart0_init();
+ orion5x_uart1_init();
+
+ orion5x_setup_dev_boot_win(TS78XX_NOR_BOOT_BASE,
+ TS78XX_NOR_BOOT_SIZE);
+ platform_device_register(&ts78xx_nor_boot_flash);
+
+ if (!ts78xx_rtc_init())
+ printk(KERN_INFO "TS-78xx RTC not detected or enabled\n");
+}
+
+MACHINE_START(TS78XX, "Technologic Systems TS-78xx SBC")
+ /* Maintainer: Alexander Clouter <alex@digriz.org.uk> */
+ .phys_io = ORION5X_REGS_PHYS_BASE,
+ .io_pg_offst = ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC,
+ .boot_params = 0x00000100,
+ .init_machine = ts78xx_init,
+ .map_io = ts78xx_map_io,
+ .init_irq = orion5x_init_irq,
+ .timer = &orion5x_timer,
+MACHINE_END
diff --git a/arch/arm/mach-orion5x/tsx09-common.c b/arch/arm/mach-orion5x/tsx09-common.c
new file mode 100644
index 00000000000..83feac3147a
--- /dev/null
+++ b/arch/arm/mach-orion5x/tsx09-common.c
@@ -0,0 +1,133 @@
+/*
+ * QNAP TS-x09 Boards common functions
+ *
+ * Maintainers: Lennert Buytenhek <buytenh@marvell.com>
+ * Byron Bradley <byron.bbradley@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#include <linux/kernel.h>
+#include <linux/pci.h>
+#include <linux/mv643xx_eth.h>
+#include <linux/timex.h>
+#include <linux/serial_reg.h>
+#include "tsx09-common.h"
+
+/*****************************************************************************
+ * QNAP TS-x09 specific power off method via UART1-attached PIC
+ ****************************************************************************/
+
+#define UART1_REG(x) (UART1_VIRT_BASE + ((UART_##x) << 2))
+
+void qnap_tsx09_power_off(void)
+{
+ /* 19200 baud divisor */
+ const unsigned divisor = ((ORION5X_TCLK + (8 * 19200)) / (16 * 19200));
+
+ pr_info("%s: triggering power-off...\n", __func__);
+
+ /* hijack uart1 and reset into sane state (19200,8n1) */
+ writel(0x83, UART1_REG(LCR));
+ writel(divisor & 0xff, UART1_REG(DLL));
+ writel((divisor >> 8) & 0xff, UART1_REG(DLM));
+ writel(0x03, UART1_REG(LCR));
+ writel(0x00, UART1_REG(IER));
+ writel(0x00, UART1_REG(FCR));
+ writel(0x00, UART1_REG(MCR));
+
+ /* send the power-off command 'A' to PIC */
+ writel('A', UART1_REG(TX));
+}
+
+/*****************************************************************************
+ * Ethernet
+ ****************************************************************************/
+
+struct mv643xx_eth_platform_data qnap_tsx09_eth_data = {
+ .phy_addr = 8,
+};
+
+static int __init qnap_tsx09_parse_hex_nibble(char n)
+{
+ if (n >= '0' && n <= '9')
+ return n - '0';
+
+ if (n >= 'A' && n <= 'F')
+ return n - 'A' + 10;
+
+ if (n >= 'a' && n <= 'f')
+ return n - 'a' + 10;
+
+ return -1;
+}
+
+static int __init qnap_tsx09_parse_hex_byte(const char *b)
+{
+ int hi;
+ int lo;
+
+ hi = qnap_tsx09_parse_hex_nibble(b[0]);
+ lo = qnap_tsx09_parse_hex_nibble(b[1]);
+
+ if (hi < 0 || lo < 0)
+ return -1;
+
+ return (hi << 4) | lo;
+}
+
+static int __init qnap_tsx09_check_mac_addr(const char *addr_str)
+{
+ u_int8_t addr[6];
+ int i;
+
+ for (i = 0; i < 6; i++) {
+ int byte;
+
+ /*
+ * Enforce "xx:xx:xx:xx:xx:xx\n" format.
+ */
+ if (addr_str[(i * 3) + 2] != ((i < 5) ? ':' : '\n'))
+ return -1;
+
+ byte = qnap_tsx09_parse_hex_byte(addr_str + (i * 3));
+ if (byte < 0)
+ return -1;
+ addr[i] = byte;
+ }
+
+ printk(KERN_INFO "tsx09: found ethernet mac address ");
+ for (i = 0; i < 6; i++)
+ printk("%.2x%s", addr[i], (i < 5) ? ":" : ".\n");
+
+ memcpy(qnap_tsx09_eth_data.mac_addr, addr, 6);
+
+ return 0;
+}
+
+/*
+ * The 'NAS Config' flash partition has an ext2 filesystem which
+ * contains a file that has the ethernet MAC address in plain text
+ * (format "xx:xx:xx:xx:xx:xx\n").
+ */
+void __init qnap_tsx09_find_mac_addr(u32 mem_base, u32 size)
+{
+ unsigned long addr;
+
+ for (addr = mem_base; addr < (mem_base + size); addr += 1024) {
+ char *nor_page;
+ int ret = 0;
+
+ nor_page = ioremap(addr, 1024);
+ if (nor_page != NULL) {
+ ret = qnap_tsx09_check_mac_addr(nor_page);
+ iounmap(nor_page);
+ }
+
+ if (ret == 0)
+ break;
+ }
+}
diff --git a/arch/arm/mach-orion5x/tsx09-common.h b/arch/arm/mach-orion5x/tsx09-common.h
new file mode 100644
index 00000000000..0984264616f
--- /dev/null
+++ b/arch/arm/mach-orion5x/tsx09-common.h
@@ -0,0 +1,20 @@
+#ifndef __ARCH_ORION5X_TSX09_COMMON_H
+#define __ARCH_ORION5X_TSX09_COMMON_H
+
+/*
+ * QNAP TS-x09 Boards power-off function
+ */
+extern void qnap_tsx09_power_off(void);
+
+/*
+ * QNAP TS-x09 Boards function to find Ethernet MAC address in flash memory
+ */
+extern void __init qnap_tsx09_find_mac_addr(u32 mem_base, u32 size);
+
+/*
+ * QNAP TS-x09 Boards ethernet declaration
+ */
+extern struct mv643xx_eth_platform_data qnap_tsx09_eth_data;
+
+
+#endif
diff --git a/arch/arm/mach-orion5x/wnr854t-setup.c b/arch/arm/mach-orion5x/wnr854t-setup.c
new file mode 100644
index 00000000000..1af093ff8cf
--- /dev/null
+++ b/arch/arm/mach-orion5x/wnr854t-setup.c
@@ -0,0 +1,164 @@
+/*
+ * arch/arm/mach-orion5x/wnr854t-setup.c
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/pci.h>
+#include <linux/irq.h>
+#include <linux/delay.h>
+#include <linux/mtd/physmap.h>
+#include <linux/mv643xx_eth.h>
+#include <asm/mach-types.h>
+#include <asm/gpio.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/pci.h>
+#include <asm/arch/orion5x.h>
+#include "common.h"
+#include "mpp.h"
+
+static struct orion5x_mpp_mode wnr854t_mpp_modes[] __initdata = {
+ { 0, MPP_GPIO }, /* Power LED green (0=on) */
+ { 1, MPP_GPIO }, /* Reset Button (0=off) */
+ { 2, MPP_GPIO }, /* Power LED blink (0=off) */
+ { 3, MPP_GPIO }, /* WAN Status LED amber (0=off) */
+ { 4, MPP_GPIO }, /* PCI int */
+ { 5, MPP_GPIO }, /* ??? */
+ { 6, MPP_GPIO }, /* ??? */
+ { 7, MPP_GPIO }, /* ??? */
+ { 8, MPP_UNUSED }, /* ??? */
+ { 9, MPP_GIGE }, /* GE_RXERR */
+ { 10, MPP_UNUSED }, /* ??? */
+ { 11, MPP_UNUSED }, /* ??? */
+ { 12, MPP_GIGE }, /* GE_TXD[4] */
+ { 13, MPP_GIGE }, /* GE_TXD[5] */
+ { 14, MPP_GIGE }, /* GE_TXD[6] */
+ { 15, MPP_GIGE }, /* GE_TXD[7] */
+ { 16, MPP_GIGE }, /* GE_RXD[4] */
+ { 17, MPP_GIGE }, /* GE_RXD[5] */
+ { 18, MPP_GIGE }, /* GE_RXD[6] */
+ { 19, MPP_GIGE }, /* GE_RXD[7] */
+ { -1 },
+};
+
+/*
+ * 8M NOR flash Device bus boot chip select
+ */
+#define WNR854T_NOR_BOOT_BASE 0xf4000000
+#define WNR854T_NOR_BOOT_SIZE SZ_8M
+
+static struct mtd_partition wnr854t_nor_flash_partitions[] = {
+ {
+ .name = "kernel",
+ .offset = 0x00000000,
+ .size = 0x00100000,
+ }, {
+ .name = "rootfs",
+ .offset = 0x00100000,
+ .size = 0x00660000,
+ }, {
+ .name = "uboot",
+ .offset = 0x00760000,
+ .size = 0x00040000,
+ },
+};
+
+static struct physmap_flash_data wnr854t_nor_flash_data = {
+ .width = 2,
+ .parts = wnr854t_nor_flash_partitions,
+ .nr_parts = ARRAY_SIZE(wnr854t_nor_flash_partitions),
+};
+
+static struct resource wnr854t_nor_flash_resource = {
+ .flags = IORESOURCE_MEM,
+ .start = WNR854T_NOR_BOOT_BASE,
+ .end = WNR854T_NOR_BOOT_BASE + WNR854T_NOR_BOOT_SIZE - 1,
+};
+
+static struct platform_device wnr854t_nor_flash = {
+ .name = "physmap-flash",
+ .id = 0,
+ .dev = {
+ .platform_data = &wnr854t_nor_flash_data,
+ },
+ .num_resources = 1,
+ .resource = &wnr854t_nor_flash_resource,
+};
+
+static struct mv643xx_eth_platform_data wnr854t_eth_data = {
+ .phy_addr = -1,
+};
+
+static void __init wnr854t_init(void)
+{
+ /*
+ * Setup basic Orion functions. Need to be called early.
+ */
+ orion5x_init();
+
+ orion5x_mpp_conf(wnr854t_mpp_modes);
+
+ /*
+ * Configure peripherals.
+ */
+ orion5x_eth_init(&wnr854t_eth_data);
+ orion5x_uart0_init();
+
+ orion5x_setup_dev_boot_win(WNR854T_NOR_BOOT_BASE,
+ WNR854T_NOR_BOOT_SIZE);
+ platform_device_register(&wnr854t_nor_flash);
+}
+
+static int __init wnr854t_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+ int irq;
+
+ /*
+ * Check for devices with hard-wired IRQs.
+ */
+ irq = orion5x_pci_map_irq(dev, slot, pin);
+ if (irq != -1)
+ return irq;
+
+ /*
+ * Mini-PCI slot.
+ */
+ if (slot == 7)
+ return gpio_to_irq(4);
+
+ return -1;
+}
+
+static struct hw_pci wnr854t_pci __initdata = {
+ .nr_controllers = 2,
+ .swizzle = pci_std_swizzle,
+ .setup = orion5x_pci_sys_setup,
+ .scan = orion5x_pci_sys_scan_bus,
+ .map_irq = wnr854t_pci_map_irq,
+};
+
+static int __init wnr854t_pci_init(void)
+{
+ if (machine_is_wnr854t())
+ pci_common_init(&wnr854t_pci);
+
+ return 0;
+}
+subsys_initcall(wnr854t_pci_init);
+
+MACHINE_START(WNR854T, "Netgear WNR854T")
+ /* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
+ .phys_io = ORION5X_REGS_PHYS_BASE,
+ .io_pg_offst = ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC,
+ .boot_params = 0x00000100,
+ .init_machine = wnr854t_init,
+ .map_io = orion5x_map_io,
+ .init_irq = orion5x_init_irq,
+ .timer = &orion5x_timer,
+ .fixup = tag_fixup_mem32,
+MACHINE_END
diff --git a/arch/arm/mach-orion5x/wrt350n-v2-setup.c b/arch/arm/mach-orion5x/wrt350n-v2-setup.c
new file mode 100644
index 00000000000..aeab55c6a82
--- /dev/null
+++ b/arch/arm/mach-orion5x/wrt350n-v2-setup.c
@@ -0,0 +1,173 @@
+/*
+ * arch/arm/mach-orion5x/wrt350n-v2-setup.c
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/pci.h>
+#include <linux/irq.h>
+#include <linux/delay.h>
+#include <linux/mtd/physmap.h>
+#include <linux/mv643xx_eth.h>
+#include <asm/mach-types.h>
+#include <asm/gpio.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/pci.h>
+#include <asm/arch/orion5x.h>
+#include "common.h"
+#include "mpp.h"
+
+static struct orion5x_mpp_mode wrt350n_v2_mpp_modes[] __initdata = {
+ { 0, MPP_GPIO }, /* Power LED green (0=on) */
+ { 1, MPP_GPIO }, /* Security LED (0=on) */
+ { 2, MPP_GPIO }, /* Internal Button (0=on) */
+ { 3, MPP_GPIO }, /* Reset Button (0=on) */
+ { 4, MPP_GPIO }, /* PCI int */
+ { 5, MPP_GPIO }, /* Power LED orange (0=on) */
+ { 6, MPP_GPIO }, /* USB LED (0=on) */
+ { 7, MPP_GPIO }, /* Wireless LED (0=on) */
+ { 8, MPP_UNUSED }, /* ??? */
+ { 9, MPP_GIGE }, /* GE_RXERR */
+ { 10, MPP_UNUSED }, /* ??? */
+ { 11, MPP_UNUSED }, /* ??? */
+ { 12, MPP_GIGE }, /* GE_TXD[4] */
+ { 13, MPP_GIGE }, /* GE_TXD[5] */
+ { 14, MPP_GIGE }, /* GE_TXD[6] */
+ { 15, MPP_GIGE }, /* GE_TXD[7] */
+ { 16, MPP_GIGE }, /* GE_RXD[4] */
+ { 17, MPP_GIGE }, /* GE_RXD[5] */
+ { 18, MPP_GIGE }, /* GE_RXD[6] */
+ { 19, MPP_GIGE }, /* GE_RXD[7] */
+ { -1 },
+};
+
+/*
+ * 8M NOR flash Device bus boot chip select
+ */
+#define WRT350N_V2_NOR_BOOT_BASE 0xf4000000
+#define WRT350N_V2_NOR_BOOT_SIZE SZ_8M
+
+static struct mtd_partition wrt350n_v2_nor_flash_partitions[] = {
+ {
+ .name = "kernel",
+ .offset = 0x00000000,
+ .size = 0x00760000,
+ }, {
+ .name = "rootfs",
+ .offset = 0x001a0000,
+ .size = 0x005c0000,
+ }, {
+ .name = "lang",
+ .offset = 0x00760000,
+ .size = 0x00040000,
+ }, {
+ .name = "nvram",
+ .offset = 0x007a0000,
+ .size = 0x00020000,
+ }, {
+ .name = "u-boot",
+ .offset = 0x007c0000,
+ .size = 0x00040000,
+ },
+};
+
+static struct physmap_flash_data wrt350n_v2_nor_flash_data = {
+ .width = 1,
+ .parts = wrt350n_v2_nor_flash_partitions,
+ .nr_parts = ARRAY_SIZE(wrt350n_v2_nor_flash_partitions),
+};
+
+static struct resource wrt350n_v2_nor_flash_resource = {
+ .flags = IORESOURCE_MEM,
+ .start = WRT350N_V2_NOR_BOOT_BASE,
+ .end = WRT350N_V2_NOR_BOOT_BASE + WRT350N_V2_NOR_BOOT_SIZE - 1,
+};
+
+static struct platform_device wrt350n_v2_nor_flash = {
+ .name = "physmap-flash",
+ .id = 0,
+ .dev = {
+ .platform_data = &wrt350n_v2_nor_flash_data,
+ },
+ .num_resources = 1,
+ .resource = &wrt350n_v2_nor_flash_resource,
+};
+
+static struct mv643xx_eth_platform_data wrt350n_v2_eth_data = {
+ .phy_addr = -1,
+};
+
+static void __init wrt350n_v2_init(void)
+{
+ /*
+ * Setup basic Orion functions. Need to be called early.
+ */
+ orion5x_init();
+
+ orion5x_mpp_conf(wrt350n_v2_mpp_modes);
+
+ /*
+ * Configure peripherals.
+ */
+ orion5x_ehci0_init();
+ orion5x_eth_init(&wrt350n_v2_eth_data);
+ orion5x_uart0_init();
+
+ orion5x_setup_dev_boot_win(WRT350N_V2_NOR_BOOT_BASE,
+ WRT350N_V2_NOR_BOOT_SIZE);
+ platform_device_register(&wrt350n_v2_nor_flash);
+}
+
+static int __init wrt350n_v2_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+ int irq;
+
+ /*
+ * Check for devices with hard-wired IRQs.
+ */
+ irq = orion5x_pci_map_irq(dev, slot, pin);
+ if (irq != -1)
+ return irq;
+
+ /*
+ * Mini-PCI slot.
+ */
+ if (slot == 7)
+ return gpio_to_irq(4);
+
+ return -1;
+}
+
+static struct hw_pci wrt350n_v2_pci __initdata = {
+ .nr_controllers = 2,
+ .swizzle = pci_std_swizzle,
+ .setup = orion5x_pci_sys_setup,
+ .scan = orion5x_pci_sys_scan_bus,
+ .map_irq = wrt350n_v2_pci_map_irq,
+};
+
+static int __init wrt350n_v2_pci_init(void)
+{
+ if (machine_is_wrt350n_v2())
+ pci_common_init(&wrt350n_v2_pci);
+
+ return 0;
+}
+subsys_initcall(wrt350n_v2_pci_init);
+
+MACHINE_START(WRT350N_V2, "Linksys WRT350N v2")
+ /* Maintainer: Lennert Buytenhek <buytenh@marvell.com> */
+ .phys_io = ORION5X_REGS_PHYS_BASE,
+ .io_pg_offst = ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC,
+ .boot_params = 0x00000100,
+ .init_machine = wrt350n_v2_init,
+ .map_io = orion5x_map_io,
+ .init_irq = orion5x_init_irq,
+ .timer = &orion5x_timer,
+ .fixup = tag_fixup_mem32,
+MACHINE_END
diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig
index 5da7a682049..914bb33dab9 100644
--- a/arch/arm/mach-pxa/Kconfig
+++ b/arch/arm/mach-pxa/Kconfig
@@ -20,8 +20,7 @@ endmenu
endif
-choice
- prompt "Select target board"
+menu "Select target boards"
config ARCH_GUMSTIX
bool "Gumstix XScale boards"
@@ -37,10 +36,12 @@ config ARCH_LUBBOCK
config MACH_LOGICPD_PXA270
bool "LogicPD PXA270 Card Engine Development Platform"
select PXA27x
+ select HAVE_PWM
config MACH_MAINSTONE
bool "Intel HCDDBBVA0 Development Platform"
select PXA27x
+ select HAVE_PWM
config ARCH_PXA_IDP
bool "Accelent Xscale IDP"
@@ -116,6 +117,7 @@ config MACH_COLIBRI
config MACH_ZYLONITE
bool "PXA3xx Development Platform"
select PXA3xx
+ select HAVE_PWM
config MACH_LITTLETON
bool "PXA3xx Form Factor Platform (aka Littleton)"
@@ -138,7 +140,7 @@ config MACH_PCM027
select PXA27x
select IWMMXT
-endchoice
+endmenu
choice
prompt "Used baseboard"
@@ -146,25 +148,24 @@ choice
config MACH_PCM990_BASEBOARD
bool "PHYTEC PCM-990 development board"
+ select HAVE_PWM
endchoice
-if PXA_SHARPSL
-
choice
- prompt "Select target Sharp Zaurus device range"
+ prompt "display on pcm990"
+ depends on MACH_PCM990_BASEBOARD
-config PXA_SHARPSL_25x
- bool "Sharp PXA25x models (SL-5600, SL-C7xx and SL-C6000x)"
- select PXA25x
+config PCM990_DISPLAY_SHARP
+ bool "sharp lq084v1dg21 stn display"
-config PXA_SHARPSL_27x
- bool "Sharp PXA270 models (SL-Cxx00)"
- select PXA27x
+config PCM990_DISPLAY_NEC
+ bool "nec nl6448bc20_18d tft display"
-endchoice
+config PCM990_DISPLAY_NONE
+ bool "no display"
-endif
+endchoice
if ARCH_GUMSTIX
@@ -199,28 +200,33 @@ endmenu
config MACH_POODLE
bool "Enable Sharp SL-5600 (Poodle) Support"
- depends on PXA_SHARPSL_25x
+ depends on PXA_SHARPSL
+ select PXA25x
select SHARP_LOCOMO
select PXA_SSP
config MACH_CORGI
bool "Enable Sharp SL-C700 (Corgi) Support"
- depends on PXA_SHARPSL_25x
+ depends on PXA_SHARPSL
+ select PXA25x
select PXA_SHARP_C7xx
config MACH_SHEPHERD
bool "Enable Sharp SL-C750 (Shepherd) Support"
- depends on PXA_SHARPSL_25x
+ depends on PXA_SHARPSL
+ select PXA25x
select PXA_SHARP_C7xx
config MACH_HUSKY
bool "Enable Sharp SL-C760 (Husky) Support"
- depends on PXA_SHARPSL_25x
+ depends on PXA_SHARPSL
+ select PXA25x
select PXA_SHARP_C7xx
config MACH_AKITA
bool "Enable Sharp SL-1000 (Akita) Support"
- depends on PXA_SHARPSL_27x
+ depends on PXA_SHARPSL
+ select PXA27x
select PXA_SHARP_Cxx00
select MACH_SPITZ
select I2C
@@ -228,17 +234,20 @@ config MACH_AKITA
config MACH_SPITZ
bool "Enable Sharp Zaurus SL-3000 (Spitz) Support"
- depends on PXA_SHARPSL_27x
+ depends on PXA_SHARPSL
+ select PXA27x
select PXA_SHARP_Cxx00
config MACH_BORZOI
bool "Enable Sharp Zaurus SL-3100 (Borzoi) Support"
- depends on PXA_SHARPSL_27x
+ depends on PXA_SHARPSL
+ select PXA27x
select PXA_SHARP_Cxx00
config MACH_TOSA
bool "Enable Sharp SL-6000x (Tosa) Support"
- depends on PXA_SHARPSL_25x
+ depends on PXA_SHARPSL
+ select PXA25x
config PXA25x
bool
@@ -273,4 +282,10 @@ config PXA_SSP
tristate
help
Enable support for PXA2xx SSP ports
+
+config PXA_PWM
+ tristate
+ default BACKLIGHT_PWM
+ help
+ Enable support for PXA2xx/PXA3xx PWM controllers
endif
diff --git a/arch/arm/mach-pxa/Makefile b/arch/arm/mach-pxa/Makefile
index 0e6d05bb81a..c4dfbe87fc4 100644
--- a/arch/arm/mach-pxa/Makefile
+++ b/arch/arm/mach-pxa/Makefile
@@ -10,10 +10,11 @@ obj-$(CONFIG_CPU_FREQ) += cpu-pxa.o
# Generic drivers that other drivers may depend upon
obj-$(CONFIG_PXA_SSP) += ssp.o
+obj-$(CONFIG_PXA_PWM) += pwm.o
# SoC-specific code
-obj-$(CONFIG_PXA25x) += mfp-pxa2xx.o pxa25x.o
-obj-$(CONFIG_PXA27x) += mfp-pxa2xx.o pxa27x.o
+obj-$(CONFIG_PXA25x) += mfp-pxa2xx.o pxa2xx.o pxa25x.o
+obj-$(CONFIG_PXA27x) += mfp-pxa2xx.o pxa2xx.o pxa27x.o
obj-$(CONFIG_PXA3xx) += mfp-pxa3xx.o pxa3xx.o smemc.o
obj-$(CONFIG_CPU_PXA300) += pxa300.o
obj-$(CONFIG_CPU_PXA320) += pxa320.o
diff --git a/arch/arm/mach-pxa/clock.c b/arch/arm/mach-pxa/clock.c
index e97dc59813c..b4d04955dcb 100644
--- a/arch/arm/mach-pxa/clock.c
+++ b/arch/arm/mach-pxa/clock.c
@@ -12,7 +12,7 @@
#include <linux/platform_device.h>
#include <linux/delay.h>
-#include <asm/arch/pxa-regs.h>
+#include <asm/arch/pxa2xx-regs.h>
#include <asm/arch/pxa2xx-gpio.h>
#include <asm/hardware.h>
@@ -47,6 +47,9 @@ struct clk *clk_get(struct device *dev, const char *id)
clk = p;
mutex_unlock(&clocks_mutex);
+ if (!IS_ERR(clk) && clk->ops == NULL)
+ clk = clk->other;
+
return clk;
}
EXPORT_SYMBOL(clk_get);
diff --git a/arch/arm/mach-pxa/clock.h b/arch/arm/mach-pxa/clock.h
index bc6b77e1592..83cbfaba485 100644
--- a/arch/arm/mach-pxa/clock.h
+++ b/arch/arm/mach-pxa/clock.h
@@ -15,6 +15,7 @@ struct clk {
unsigned int cken;
unsigned int delay;
unsigned int enabled;
+ struct clk *other;
};
#define INIT_CKEN(_name, _cken, _rate, _delay, _dev) \
@@ -35,6 +36,17 @@ struct clk {
.cken = CKEN_##_cken, \
}
+/*
+ * This is a placeholder to alias one clock device+name pair
+ * to another struct clk.
+ */
+#define INIT_CKOTHER(_name, _other, _dev) \
+ { \
+ .name = _name, \
+ .dev = _dev, \
+ .other = _other, \
+ }
+
extern const struct clkops clk_cken_ops;
void clk_cken_enable(struct clk *clk);
diff --git a/arch/arm/mach-pxa/cm-x270-pci.c b/arch/arm/mach-pxa/cm-x270-pci.c
index ac7f05f9f3e..319c9ff3ab9 100644
--- a/arch/arm/mach-pxa/cm-x270-pci.c
+++ b/arch/arm/mach-pxa/cm-x270-pci.c
@@ -41,18 +41,20 @@ void __init cmx270_pci_adjust_zones(int node, unsigned long *zone_size,
{
unsigned int sz = SZ_64M >> PAGE_SHIFT;
- pr_info("Adjusting zones for CM-x270\n");
-
- /*
- * Only adjust if > 64M on current system
- */
- if (node || (zone_size[0] <= sz))
- return;
-
- zone_size[1] = zone_size[0] - sz;
- zone_size[0] = sz;
- zhole_size[1] = zhole_size[0];
- zhole_size[0] = 0;
+ if (machine_is_armcore()) {
+ pr_info("Adjusting zones for CM-x270\n");
+
+ /*
+ * Only adjust if > 64M on current system
+ */
+ if (node || (zone_size[0] <= sz))
+ return;
+
+ zone_size[1] = zone_size[0] - sz;
+ zone_size[0] = sz;
+ zhole_size[1] = zhole_size[0];
+ zhole_size[0] = 0;
+ }
}
static void cmx270_it8152_irq_demux(unsigned int irq, struct irq_desc *desc)
diff --git a/arch/arm/mach-pxa/cm-x270.c b/arch/arm/mach-pxa/cm-x270.c
index f5851d1adc2..01b9964acec 100644
--- a/arch/arm/mach-pxa/cm-x270.c
+++ b/arch/arm/mach-pxa/cm-x270.c
@@ -31,6 +31,7 @@
#include <asm/arch/pxa-regs.h>
#include <asm/arch/pxa2xx-regs.h>
#include <asm/arch/pxa2xx-gpio.h>
+#include <asm/arch/audio.h>
#include <asm/arch/pxafb.h>
#include <asm/arch/ohci.h>
#include <asm/arch/mmc.h>
@@ -81,12 +82,6 @@ static struct platform_device cmx270_device_dm9k = {
}
};
-/* audio device */
-static struct platform_device cmx270_audio_device = {
- .name = "pxa2xx-ac97",
- .id = -1,
-};
-
/* touchscreen controller */
static struct platform_device cmx270_ts_device = {
.name = "ucb1400_ts",
@@ -219,7 +214,6 @@ static struct platform_device cmx270_ata = {
/* platform devices */
static struct platform_device *platform_devices[] __initdata = {
&cmx270_device_dm9k,
- &cmx270_audio_device,
&cmx270_rtc_device,
&cmx270_2700G,
&cmx270_led_device,
@@ -594,6 +588,7 @@ static void __init cmx270_init(void)
/* register CM-X270 platform devices */
platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
+ pxa_set_ac97_info(NULL);
/* set MCI and OHCI platform parameters */
pxa_set_mci_info(&cmx270_mci_platform_data);
diff --git a/arch/arm/mach-pxa/corgi.c b/arch/arm/mach-pxa/corgi.c
index b757dd75665..b37671b7188 100644
--- a/arch/arm/mach-pxa/corgi.c
+++ b/arch/arm/mach-pxa/corgi.c
@@ -36,6 +36,7 @@
#include <asm/mach/irq.h>
#include <asm/arch/pxa-regs.h>
+#include <asm/arch/pxa2xx-regs.h>
#include <asm/arch/pxa2xx-gpio.h>
#include <asm/arch/irda.h>
#include <asm/arch/mmc.h>
diff --git a/arch/arm/mach-pxa/corgi_pm.c b/arch/arm/mach-pxa/corgi_pm.c
index 0a85f706e88..e91c0f26c41 100644
--- a/arch/arm/mach-pxa/corgi_pm.c
+++ b/arch/arm/mach-pxa/corgi_pm.c
@@ -26,6 +26,7 @@
#include <asm/arch/sharpsl.h>
#include <asm/arch/corgi.h>
#include <asm/arch/pxa-regs.h>
+#include <asm/arch/pxa2xx-regs.h>
#include <asm/arch/pxa2xx-gpio.h>
#include "sharpsl.h"
@@ -204,7 +205,9 @@ static struct sharpsl_charger_machinfo corgi_pm_machinfo = {
.read_devdata = corgipm_read_devdata,
.charger_wakeup = corgi_charger_wakeup,
.should_wakeup = corgi_should_wakeup,
+#ifdef CONFIG_BACKLIGHT_CORGI
.backlight_limit = corgibl_limit_intensity,
+#endif
.charge_on_volt = SHARPSL_CHARGE_ON_VOLT,
.charge_on_temp = SHARPSL_CHARGE_ON_TEMP,
.charge_acin_high = SHARPSL_CHARGE_ON_ACIN_HIGH,
@@ -226,6 +229,10 @@ static int __devinit corgipm_init(void)
{
int ret;
+ if (!machine_is_corgi() && !machine_is_shepherd()
+ && !machine_is_husky())
+ return -ENODEV;
+
corgipm_device = platform_device_alloc("sharpsl-pm", -1);
if (!corgipm_device)
return -ENOMEM;
diff --git a/arch/arm/mach-pxa/devices.c b/arch/arm/mach-pxa/devices.c
index d6c05b6eab3..a6f2390ce66 100644
--- a/arch/arm/mach-pxa/devices.c
+++ b/arch/arm/mach-pxa/devices.c
@@ -10,11 +10,14 @@
#include <asm/arch/mmc.h>
#include <asm/arch/irda.h>
#include <asm/arch/i2c.h>
+#include <asm/arch/mfp-pxa27x.h>
#include <asm/arch/ohci.h>
#include <asm/arch/pxa27x_keypad.h>
#include <asm/arch/camera.h>
+#include <asm/arch/audio.h>
#include "devices.h"
+#include "generic.h"
void __init pxa_register_device(struct platform_device *dev, void *data)
{
@@ -91,8 +94,19 @@ static struct resource pxa2xx_udc_resources[] = {
static u64 udc_dma_mask = ~(u32)0;
-struct platform_device pxa_device_udc = {
- .name = "pxa2xx-udc",
+struct platform_device pxa25x_device_udc = {
+ .name = "pxa25x-udc",
+ .id = -1,
+ .resource = pxa2xx_udc_resources,
+ .num_resources = ARRAY_SIZE(pxa2xx_udc_resources),
+ .dev = {
+ .platform_data = &pxa_udc_info,
+ .dma_mask = &udc_dma_mask,
+ }
+};
+
+struct platform_device pxa27x_device_udc = {
+ .name = "pxa27x-udc",
.id = -1,
.resource = pxa2xx_udc_resources,
.num_resources = ARRAY_SIZE(pxa2xx_udc_resources),
@@ -233,8 +247,15 @@ struct platform_device pxa_device_i2c = {
.num_resources = ARRAY_SIZE(pxai2c_resources),
};
+static unsigned long pxa27x_i2c_mfp_cfg[] = {
+ GPIO117_I2C_SCL,
+ GPIO118_I2C_SDA,
+};
+
void __init pxa_set_i2c_info(struct i2c_pxa_platform_data *info)
{
+ if (cpu_is_pxa27x())
+ pxa2xx_mfp_config(ARRAY_AND_SIZE(pxa27x_i2c_mfp_cfg));
pxa_register_device(&pxa_device_i2c, info);
}
@@ -278,8 +299,69 @@ struct platform_device pxa_device_rtc = {
.id = -1,
};
+static struct resource pxa_ac97_resources[] = {
+ [0] = {
+ .start = 0x40500000,
+ .end = 0x40500000 + 0xfff,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_AC97,
+ .end = IRQ_AC97,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static u64 pxa_ac97_dmamask = 0xffffffffUL;
+
+struct platform_device pxa_device_ac97 = {
+ .name = "pxa2xx-ac97",
+ .id = -1,
+ .dev = {
+ .dma_mask = &pxa_ac97_dmamask,
+ .coherent_dma_mask = 0xffffffff,
+ },
+ .num_resources = ARRAY_SIZE(pxa_ac97_resources),
+ .resource = pxa_ac97_resources,
+};
+
+void __init pxa_set_ac97_info(pxa2xx_audio_ops_t *ops)
+{
+ pxa_register_device(&pxa_device_ac97, ops);
+}
+
#ifdef CONFIG_PXA25x
+static struct resource pxa25x_resource_pwm0[] = {
+ [0] = {
+ .start = 0x40b00000,
+ .end = 0x40b0000f,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+struct platform_device pxa25x_device_pwm0 = {
+ .name = "pxa25x-pwm",
+ .id = 0,
+ .resource = pxa25x_resource_pwm0,
+ .num_resources = ARRAY_SIZE(pxa25x_resource_pwm0),
+};
+
+static struct resource pxa25x_resource_pwm1[] = {
+ [0] = {
+ .start = 0x40c00000,
+ .end = 0x40c0000f,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+struct platform_device pxa25x_device_pwm1 = {
+ .name = "pxa25x-pwm",
+ .id = 1,
+ .resource = pxa25x_resource_pwm1,
+ .num_resources = ARRAY_SIZE(pxa25x_resource_pwm1),
+};
+
static u64 pxa25x_ssp_dma_mask = DMA_BIT_MASK(32);
static struct resource pxa25x_resource_ssp[] = {
@@ -568,6 +650,36 @@ struct platform_device pxa27x_device_ssp3 = {
.num_resources = ARRAY_SIZE(pxa27x_resource_ssp3),
};
+static struct resource pxa27x_resource_pwm0[] = {
+ [0] = {
+ .start = 0x40b00000,
+ .end = 0x40b0001f,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+struct platform_device pxa27x_device_pwm0 = {
+ .name = "pxa27x-pwm",
+ .id = 0,
+ .resource = pxa27x_resource_pwm0,
+ .num_resources = ARRAY_SIZE(pxa27x_resource_pwm0),
+};
+
+static struct resource pxa27x_resource_pwm1[] = {
+ [0] = {
+ .start = 0x40c00000,
+ .end = 0x40c0001f,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+struct platform_device pxa27x_device_pwm1 = {
+ .name = "pxa27x-pwm",
+ .id = 1,
+ .resource = pxa27x_resource_pwm1,
+ .num_resources = ARRAY_SIZE(pxa27x_resource_pwm1),
+};
+
static struct resource pxa27x_resource_camera[] = {
[0] = {
.start = 0x50000000,
diff --git a/arch/arm/mach-pxa/devices.h b/arch/arm/mach-pxa/devices.h
index fcab017f27e..b852eb18daa 100644
--- a/arch/arm/mach-pxa/devices.h
+++ b/arch/arm/mach-pxa/devices.h
@@ -1,7 +1,8 @@
extern struct platform_device pxa_device_mci;
extern struct platform_device pxa3xx_device_mci2;
extern struct platform_device pxa3xx_device_mci3;
-extern struct platform_device pxa_device_udc;
+extern struct platform_device pxa25x_device_udc;
+extern struct platform_device pxa27x_device_udc;
extern struct platform_device pxa_device_fb;
extern struct platform_device pxa_device_ffuart;
extern struct platform_device pxa_device_btuart;
@@ -11,6 +12,7 @@ extern struct platform_device pxa_device_i2c;
extern struct platform_device pxa_device_i2s;
extern struct platform_device pxa_device_ficp;
extern struct platform_device pxa_device_rtc;
+extern struct platform_device pxa_device_ac97;
extern struct platform_device pxa27x_device_i2c_power;
extern struct platform_device pxa27x_device_ohci;
@@ -24,4 +26,9 @@ extern struct platform_device pxa27x_device_ssp2;
extern struct platform_device pxa27x_device_ssp3;
extern struct platform_device pxa3xx_device_ssp4;
+extern struct platform_device pxa25x_device_pwm0;
+extern struct platform_device pxa25x_device_pwm1;
+extern struct platform_device pxa27x_device_pwm0;
+extern struct platform_device pxa27x_device_pwm1;
+
void __init pxa_register_device(struct platform_device *dev, void *data);
diff --git a/arch/arm/mach-pxa/em-x270.c b/arch/arm/mach-pxa/em-x270.c
index 9c57700ee5c..1bf68074992 100644
--- a/arch/arm/mach-pxa/em-x270.c
+++ b/arch/arm/mach-pxa/em-x270.c
@@ -24,6 +24,8 @@
#include <asm/arch/pxa-regs.h>
#include <asm/arch/pxa2xx-gpio.h>
+#include <asm/arch/pxa27x-udc.h>
+#include <asm/arch/audio.h>
#include <asm/arch/pxafb.h>
#include <asm/arch/ohci.h>
#include <asm/arch/mmc.h>
@@ -72,12 +74,6 @@ static struct platform_device em_x270_dm9k = {
}
};
-/* audio device */
-static struct platform_device em_x270_audio = {
- .name = "pxa2xx-ac97",
- .id = -1,
-};
-
/* WM9712 touchscreen controller. Hopefully the driver will make it to
* the mainstream sometime */
static struct platform_device em_x270_ts = {
@@ -217,7 +213,6 @@ static struct platform_device em_x270_nand = {
/* platform devices */
static struct platform_device *platform_devices[] __initdata = {
&em_x270_dm9k,
- &em_x270_audio,
&em_x270_ts,
&em_x270_rtc,
&em_x270_nand,
@@ -325,6 +320,7 @@ static void __init em_x270_init(void)
/* register EM-X270 platform devices */
platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
+ pxa_set_ac97_info(NULL);
/* set MCI and OHCI platform parameters */
pxa_set_mci_info(&em_x270_mci_platform_data);
diff --git a/arch/arm/mach-pxa/generic.c b/arch/arm/mach-pxa/generic.c
index 44617938f3f..ca053226fba 100644
--- a/arch/arm/mach-pxa/generic.c
+++ b/arch/arm/mach-pxa/generic.c
@@ -60,23 +60,6 @@ unsigned int get_memclk_frequency_10khz(void)
EXPORT_SYMBOL(get_memclk_frequency_10khz);
/*
- * Routine to safely enable or disable a clock in the CKEN
- */
-void __pxa_set_cken(int clock, int enable)
-{
- unsigned long flags;
- local_irq_save(flags);
-
- if (enable)
- CKEN |= (1 << clock);
- else
- CKEN &= ~(1 << clock);
-
- local_irq_restore(flags);
-}
-EXPORT_SYMBOL(__pxa_set_cken);
-
-/*
* Intel PXA2xx internal register mapping.
*
* Note 1: not all PXA2xx variants implement all those addresses.
diff --git a/arch/arm/mach-pxa/irq.c b/arch/arm/mach-pxa/irq.c
index a9a0c3fab15..fbff557bb22 100644
--- a/arch/arm/mach-pxa/irq.c
+++ b/arch/arm/mach-pxa/irq.c
@@ -21,7 +21,6 @@
#include <asm/irq.h>
#include <asm/mach/irq.h>
#include <asm/arch/pxa-regs.h>
-#include <asm/arch/pxa2xx-gpio.h>
#include "generic.h"
diff --git a/arch/arm/mach-pxa/lpd270.c b/arch/arm/mach-pxa/lpd270.c
index a20e4b1649d..cc1c4fa0614 100644
--- a/arch/arm/mach-pxa/lpd270.c
+++ b/arch/arm/mach-pxa/lpd270.c
@@ -23,6 +23,7 @@
#include <linux/ioport.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
+#include <linux/pwm_backlight.h>
#include <asm/types.h>
#include <asm/setup.h>
@@ -134,9 +135,12 @@ static struct sys_device lpd270_irq_device = {
static int __init lpd270_irq_device_init(void)
{
- int ret = sysdev_class_register(&lpd270_irq_sysclass);
- if (ret == 0)
- ret = sysdev_register(&lpd270_irq_device);
+ int ret = -ENODEV;
+ if (machine_is_logicpd_pxa270()) {
+ ret = sysdev_class_register(&lpd270_irq_sysclass);
+ if (ret == 0)
+ ret = sysdev_register(&lpd270_irq_device);
+ }
return ret;
}
@@ -164,11 +168,6 @@ static struct platform_device smc91x_device = {
.resource = smc91x_resources,
};
-static struct platform_device lpd270_audio_device = {
- .name = "pxa2xx-ac97",
- .id = -1,
-};
-
static struct resource lpd270_flash_resources[] = {
[0] = {
.start = PXA_CS0_PHYS,
@@ -233,21 +232,20 @@ static struct platform_device lpd270_flash_device[2] = {
},
};
-static void lpd270_backlight_power(int on)
-{
- if (on) {
- pxa_gpio_mode(GPIO16_PWM0_MD);
- pxa_set_cken(CKEN_PWM0, 1);
- PWM_CTRL0 = 0;
- PWM_PWDUTY0 = 0x3ff;
- PWM_PERVAL0 = 0x3ff;
- } else {
- PWM_CTRL0 = 0;
- PWM_PWDUTY0 = 0x0;
- PWM_PERVAL0 = 0x3FF;
- pxa_set_cken(CKEN_PWM0, 0);
- }
-}
+static struct platform_pwm_backlight_data lpd270_backlight_data = {
+ .pwm_id = 0,
+ .max_brightness = 1,
+ .dft_brightness = 1,
+ .pwm_period_ns = 78770,
+};
+
+static struct platform_device lpd270_backlight_device = {
+ .name = "pwm-backlight",
+ .dev = {
+ .parent = &pxa27x_device_pwm0.dev,
+ .platform_data = &lpd270_backlight_data,
+ },
+};
/* 5.7" TFT QVGA (LoLo display number 1) */
static struct pxafb_mode_info sharp_lq057q3dc02_mode = {
@@ -269,7 +267,6 @@ static struct pxafb_mach_info sharp_lq057q3dc02 = {
.num_modes = 1,
.lccr0 = 0x07800080,
.lccr3 = 0x00400000,
- .pxafb_backlight_power = lpd270_backlight_power,
};
/* 12.1" TFT SVGA (LoLo display number 2) */
@@ -292,7 +289,6 @@ static struct pxafb_mach_info sharp_lq121s1dg31 = {
.num_modes = 1,
.lccr0 = 0x07800080,
.lccr3 = 0x00400000,
- .pxafb_backlight_power = lpd270_backlight_power,
};
/* 3.6" TFT QVGA (LoLo display number 3) */
@@ -315,7 +311,6 @@ static struct pxafb_mach_info sharp_lq036q1da01 = {
.num_modes = 1,
.lccr0 = 0x07800080,
.lccr3 = 0x00400000,
- .pxafb_backlight_power = lpd270_backlight_power,
};
/* 6.4" TFT VGA (LoLo display number 5) */
@@ -338,7 +333,6 @@ static struct pxafb_mach_info sharp_lq64d343 = {
.num_modes = 1,
.lccr0 = 0x07800080,
.lccr3 = 0x00400000,
- .pxafb_backlight_power = lpd270_backlight_power,
};
/* 10.4" TFT VGA (LoLo display number 7) */
@@ -361,7 +355,6 @@ static struct pxafb_mach_info sharp_lq10d368 = {
.num_modes = 1,
.lccr0 = 0x07800080,
.lccr3 = 0x00400000,
- .pxafb_backlight_power = lpd270_backlight_power,
};
/* 3.5" TFT QVGA (LoLo display number 8) */
@@ -384,7 +377,6 @@ static struct pxafb_mach_info sharp_lq035q7db02_20 = {
.num_modes = 1,
.lccr0 = 0x07800080,
.lccr3 = 0x00400000,
- .pxafb_backlight_power = lpd270_backlight_power,
};
static struct pxafb_mach_info *lpd270_lcd_to_use;
@@ -414,7 +406,7 @@ __setup("lcd=", lpd270_set_lcd);
static struct platform_device *platform_devices[] __initdata = {
&smc91x_device,
- &lpd270_audio_device,
+ &lpd270_backlight_device,
&lpd270_flash_device[0],
&lpd270_flash_device[1],
};
@@ -454,9 +446,12 @@ static void __init lpd270_init(void)
* On LogicPD PXA270, we route AC97_SYSCLK via GPIO45.
*/
pxa_gpio_mode(GPIO45_SYSCLK_AC97_MD);
+ pxa_gpio_mode(GPIO16_PWM0_MD);
platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
+ pxa_set_ac97_info(NULL);
+
if (lpd270_lcd_to_use != NULL)
set_pxa_fb_info(lpd270_lcd_to_use);
diff --git a/arch/arm/mach-pxa/lubbock.c b/arch/arm/mach-pxa/lubbock.c
index 7b9bdd0c666..a3fae413920 100644
--- a/arch/arm/mach-pxa/lubbock.c
+++ b/arch/arm/mach-pxa/lubbock.c
@@ -43,6 +43,7 @@
#include <asm/arch/pxa-regs.h>
#include <asm/arch/pxa2xx-regs.h>
#include <asm/arch/mfp-pxa25x.h>
+#include <asm/arch/audio.h>
#include <asm/arch/lubbock.h>
#include <asm/arch/udc.h>
#include <asm/arch/irda.h>
@@ -196,11 +197,6 @@ static struct pxa2xx_udc_mach_info udc_info __initdata = {
// no D+ pullup; lubbock can't connect/disconnect in software
};
-static struct platform_device lub_audio_device = {
- .name = "pxa2xx-ac97",
- .id = -1,
-};
-
static struct resource sa1111_resources[] = {
[0] = {
.start = 0x10000000,
@@ -368,7 +364,6 @@ static struct platform_device lubbock_flash_device[2] = {
static struct platform_device *devices[] __initdata = {
&sa1111_device,
- &lub_audio_device,
&smc91x_device,
&lubbock_flash_device[0],
&lubbock_flash_device[1],
@@ -494,6 +489,7 @@ static void __init lubbock_init(void)
set_pxa_fb_info(&sharp_lm8v31);
pxa_set_mci_info(&lubbock_mci_platform_data);
pxa_set_ficp_info(&lubbock_ficp_platform_data);
+ pxa_set_ac97_info(NULL);
lubbock_flash_data[0].width = lubbock_flash_data[1].width =
(BOOT_DEF & 1) ? 2 : 4;
diff --git a/arch/arm/mach-pxa/magician.c b/arch/arm/mach-pxa/magician.c
index badba064dc0..01b2fa79021 100644
--- a/arch/arm/mach-pxa/magician.c
+++ b/arch/arm/mach-pxa/magician.c
@@ -25,6 +25,7 @@
#include <linux/mtd/map.h>
#include <linux/mtd/physmap.h>
#include <linux/pda_power.h>
+#include <linux/pwm_backlight.h>
#include <asm/gpio.h>
#include <asm/hardware.h>
@@ -33,12 +34,14 @@
#include <asm/arch/magician.h>
#include <asm/arch/mfp-pxa27x.h>
#include <asm/arch/pxa-regs.h>
+#include <asm/arch/pxa2xx-regs.h>
#include <asm/arch/pxafb.h>
#include <asm/arch/i2c.h>
#include <asm/arch/mmc.h>
#include <asm/arch/irda.h>
#include <asm/arch/ohci.h>
+#include "devices.h"
#include "generic.h"
static unsigned long magician_pin_config[] = {
@@ -348,40 +351,58 @@ static struct pxafb_mach_info samsung_info = {
* Backlight
*/
-static void magician_set_bl_intensity(int intensity)
+static int magician_backlight_init(struct device *dev)
{
- if (intensity) {
- PWM_CTRL0 = 1;
- PWM_PERVAL0 = 0xc8;
- if (intensity > 0xc7) {
- PWM_PWDUTY0 = intensity - 0x48;
- gpio_set_value(EGPIO_MAGICIAN_BL_POWER2, 1);
- } else {
- PWM_PWDUTY0 = intensity;
- gpio_set_value(EGPIO_MAGICIAN_BL_POWER2, 0);
- }
- gpio_set_value(EGPIO_MAGICIAN_BL_POWER, 1);
- pxa_set_cken(CKEN_PWM0, 1);
+ int ret;
+
+ ret = gpio_request(EGPIO_MAGICIAN_BL_POWER, "BL_POWER");
+ if (ret)
+ goto err;
+ ret = gpio_request(EGPIO_MAGICIAN_BL_POWER2, "BL_POWER2");
+ if (ret)
+ goto err2;
+ return 0;
+
+err2:
+ gpio_free(EGPIO_MAGICIAN_BL_POWER);
+err:
+ return ret;
+}
+
+static int magician_backlight_notify(int brightness)
+{
+ gpio_set_value(EGPIO_MAGICIAN_BL_POWER, brightness);
+ if (brightness >= 200) {
+ gpio_set_value(EGPIO_MAGICIAN_BL_POWER2, 1);
+ return brightness - 72;
} else {
- /* PWM_PWDUTY0 = intensity; */
- gpio_set_value(EGPIO_MAGICIAN_BL_POWER, 0);
- pxa_set_cken(CKEN_PWM0, 0);
+ gpio_set_value(EGPIO_MAGICIAN_BL_POWER2, 0);
+ return brightness;
}
}
-static struct generic_bl_info backlight_info = {
- .default_intensity = 0x64,
- .limit_mask = 0x0b,
- .max_intensity = 0xc7+0x48,
- .set_bl_intensity = magician_set_bl_intensity,
+static void magician_backlight_exit(struct device *dev)
+{
+ gpio_free(EGPIO_MAGICIAN_BL_POWER);
+ gpio_free(EGPIO_MAGICIAN_BL_POWER2);
+}
+
+static struct platform_pwm_backlight_data backlight_data = {
+ .pwm_id = 0,
+ .max_brightness = 272,
+ .dft_brightness = 100,
+ .pwm_period_ns = 30923,
+ .init = magician_backlight_init,
+ .notify = magician_backlight_notify,
+ .exit = magician_backlight_exit,
};
static struct platform_device backlight = {
- .name = "generic-bl",
+ .name = "pwm-backlight",
.dev = {
- .platform_data = &backlight_info,
+ .parent = &pxa27x_device_pwm0.dev,
+ .platform_data = &backlight_data,
},
- .id = -1,
};
/*
diff --git a/arch/arm/mach-pxa/mainstone.c b/arch/arm/mach-pxa/mainstone.c
index 7399fb34da4..f2e9e7c4da8 100644
--- a/arch/arm/mach-pxa/mainstone.c
+++ b/arch/arm/mach-pxa/mainstone.c
@@ -23,9 +23,9 @@
#include <linux/ioport.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
-#include <linux/backlight.h>
#include <linux/input.h>
#include <linux/gpio_keys.h>
+#include <linux/pwm_backlight.h>
#include <asm/types.h>
#include <asm/setup.h>
@@ -280,12 +280,6 @@ static pxa2xx_audio_ops_t mst_audio_ops = {
.resume = mst_audio_resume,
};
-static struct platform_device mst_audio_device = {
- .name = "pxa2xx-ac97",
- .id = -1,
- .dev = { .platform_data = &mst_audio_ops },
-};
-
static struct resource flash_resources[] = {
[0] = {
.start = PXA_CS0_PHYS,
@@ -349,56 +343,27 @@ static struct platform_device mst_flash_device[2] = {
},
};
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
-static int mainstone_backlight_update_status(struct backlight_device *bl)
-{
- int brightness = bl->props.brightness;
-
- if (bl->props.power != FB_BLANK_UNBLANK ||
- bl->props.fb_blank != FB_BLANK_UNBLANK)
- brightness = 0;
-
- if (brightness != 0)
- pxa_set_cken(CKEN_PWM0, 1);
-
- PWM_CTRL0 = 0;
- PWM_PWDUTY0 = brightness;
- PWM_PERVAL0 = bl->props.max_brightness;
-
- if (brightness == 0)
- pxa_set_cken(CKEN_PWM0, 0);
- return 0; /* pointless return value */
-}
-
-static int mainstone_backlight_get_brightness(struct backlight_device *bl)
-{
- return PWM_PWDUTY0;
-}
+#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
+static struct platform_pwm_backlight_data mainstone_backlight_data = {
+ .pwm_id = 0,
+ .max_brightness = 1023,
+ .dft_brightness = 1023,
+ .pwm_period_ns = 78770,
+};
-static /*const*/ struct backlight_ops mainstone_backlight_ops = {
- .update_status = mainstone_backlight_update_status,
- .get_brightness = mainstone_backlight_get_brightness,
+static struct platform_device mainstone_backlight_device = {
+ .name = "pwm-backlight",
+ .dev = {
+ .parent = &pxa27x_device_pwm0.dev,
+ .platform_data = &mainstone_backlight_data,
+ },
};
static void __init mainstone_backlight_register(void)
{
- struct backlight_device *bl;
-
- bl = backlight_device_register("mainstone-bl", &pxa_device_fb.dev,
- NULL, &mainstone_backlight_ops);
- if (IS_ERR(bl)) {
- printk(KERN_ERR "mainstone: unable to register backlight: %ld\n",
- PTR_ERR(bl));
- return;
- }
-
- /*
- * broken design - register-then-setup interfaces are
- * utterly broken by definition.
- */
- bl->props.max_brightness = 1023;
- bl->props.brightness = 1023;
- backlight_update_status(bl);
+ int ret = platform_device_register(&mainstone_backlight_device);
+ if (ret)
+ printk(KERN_ERR "mainstone: failed to register backlight device: %d\n", ret);
}
#else
#define mainstone_backlight_register() do { } while (0)
@@ -528,7 +493,6 @@ static struct platform_device mst_gpio_keys_device = {
static struct platform_device *platform_devices[] __initdata = {
&smc91x_device,
- &mst_audio_device,
&mst_flash_device[0],
&mst_flash_device[1],
&mst_gpio_keys_device,
@@ -638,6 +602,7 @@ static void __init mainstone_init(void)
pxa_set_ficp_info(&mainstone_ficp_platform_data);
pxa_set_ohci_info(&mainstone_ohci_platform_data);
pxa_set_i2c_info(NULL);
+ pxa_set_ac97_info(&mst_audio_ops);
mainstone_init_keypad();
}
diff --git a/arch/arm/mach-pxa/mfp-pxa2xx.c b/arch/arm/mach-pxa/mfp-pxa2xx.c
index 22097a1707c..d1cdb4ecb0b 100644
--- a/arch/arm/mach-pxa/mfp-pxa2xx.c
+++ b/arch/arm/mach-pxa/mfp-pxa2xx.c
@@ -20,6 +20,7 @@
#include <asm/arch/hardware.h>
#include <asm/arch/pxa-regs.h>
+#include <asm/arch/pxa2xx-regs.h>
#include <asm/arch/mfp-pxa2xx.h>
#include "generic.h"
diff --git a/arch/arm/mach-pxa/pcm990-baseboard.c b/arch/arm/mach-pxa/pcm990-baseboard.c
index 49d951db0f3..5d87c7c866e 100644
--- a/arch/arm/mach-pxa/pcm990-baseboard.c
+++ b/arch/arm/mach-pxa/pcm990-baseboard.c
@@ -24,6 +24,7 @@
#include <linux/platform_device.h>
#include <linux/ide.h>
#include <linux/i2c.h>
+#include <linux/pwm_backlight.h>
#include <media/soc_camera.h>
@@ -33,12 +34,103 @@
#include <asm/mach/map.h>
#include <asm/arch/pxa-regs.h>
#include <asm/arch/pxa2xx-gpio.h>
+#include <asm/arch/audio.h>
#include <asm/arch/mmc.h>
#include <asm/arch/ohci.h>
#include <asm/arch/pcm990_baseboard.h>
+#include <asm/arch/pxafb.h>
+
+#include "devices.h"
/*
- * The PCM-990 development baseboard uses PCM-027's hardeware in the
+ * pcm990_lcd_power - control power supply to the LCD
+ * @on: 0 = switch off, 1 = switch on
+ *
+ * Called by the pxafb driver
+ */
+#ifndef CONFIG_PCM990_DISPLAY_NONE
+static void pcm990_lcd_power(int on, struct fb_var_screeninfo *var)
+{
+ if (on) {
+ /* enable LCD-Latches
+ * power on LCD
+ */
+ __PCM990_CTRL_REG(PCM990_CTRL_PHYS + PCM990_CTRL_REG3) =
+ PCM990_CTRL_LCDPWR + PCM990_CTRL_LCDON;
+ } else {
+ /* disable LCD-Latches
+ * power off LCD
+ */
+ __PCM990_CTRL_REG(PCM990_CTRL_PHYS + PCM990_CTRL_REG3) = 0x00;
+ }
+}
+#endif
+
+#if defined(CONFIG_PCM990_DISPLAY_SHARP)
+static struct pxafb_mode_info fb_info_sharp_lq084v1dg21 = {
+ .pixclock = 28000,
+ .xres = 640,
+ .yres = 480,
+ .bpp = 16,
+ .hsync_len = 20,
+ .left_margin = 103,
+ .right_margin = 47,
+ .vsync_len = 6,
+ .upper_margin = 28,
+ .lower_margin = 5,
+ .sync = 0,
+ .cmap_greyscale = 0,
+};
+
+static struct pxafb_mach_info pcm990_fbinfo __initdata = {
+ .modes = &fb_info_sharp_lq084v1dg21,
+ .num_modes = 1,
+ .lccr0 = LCCR0_PAS,
+ .lccr3 = LCCR3_PCP,
+ .pxafb_lcd_power = pcm990_lcd_power,
+};
+#elif defined(CONFIG_PCM990_DISPLAY_NEC)
+struct pxafb_mode_info fb_info_nec_nl6448bc20_18d = {
+ .pixclock = 39720,
+ .xres = 640,
+ .yres = 480,
+ .bpp = 16,
+ .hsync_len = 32,
+ .left_margin = 16,
+ .right_margin = 48,
+ .vsync_len = 2,
+ .upper_margin = 12,
+ .lower_margin = 17,
+ .sync = 0,
+ .cmap_greyscale = 0,
+};
+
+static struct pxafb_mach_info pcm990_fbinfo __initdata = {
+ .modes = &fb_info_nec_nl6448bc20_18d,
+ .num_modes = 1,
+ .lccr0 = LCCR0_Act,
+ .lccr3 = LCCR3_PixFlEdg,
+ .pxafb_lcd_power = pcm990_lcd_power,
+};
+#endif
+
+static struct platform_pwm_backlight_data pcm990_backlight_data = {
+ .pwm_id = 0,
+ .max_brightness = 1023,
+ .dft_brightness = 1023,
+ .pwm_period_ns = 78770,
+};
+
+static struct platform_device pcm990_backlight_device = {
+ .name = "pwm-backlight",
+ .dev = {
+ .parent = &pxa27x_device_pwm0.dev,
+ .platform_data = &pcm990_backlight_data,
+ },
+};
+
+/*
+ * The PCM-990 development baseboard uses PCM-027's hardware in the
* following way:
*
* - LCD support is in use
@@ -333,36 +425,6 @@ static struct i2c_board_info __initdata pcm990_i2c_devices[] = {
#endif /* CONFIG_VIDEO_PXA27x ||CONFIG_VIDEO_PXA27x_MODULE */
/*
- * AC97 support
- * Note: The connected AC97 mixer also reports interrupts at PCM990_AC97_IRQ
- */
-static struct resource pxa27x_ac97_resources[] = {
- [0] = {
- .start = 0x40500000,
- .end = 0x40500000 + 0xfff,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = IRQ_AC97,
- .end = IRQ_AC97,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static u64 pxa_ac97_dmamask = 0xffffffffUL;
-
-static struct platform_device pxa27x_device_ac97 = {
- .name = "pxa2xx-ac97",
- .id = -1,
- .dev = {
- .dma_mask = &pxa_ac97_dmamask,
- .coherent_dma_mask = 0xffffffff,
- },
- .num_resources = ARRAY_SIZE(pxa27x_ac97_resources),
- .resource = pxa27x_ac97_resources,
-};
-
-/*
* enable generic access to the base board control CPLDs U6 and U7
*/
static struct map_desc pcm990_io_desc[] __initdata = {
@@ -393,7 +455,11 @@ void __init pcm990_baseboard_init(void)
/* register CPLD's IRQ controller */
pcm990_init_irq();
- platform_device_register(&pxa27x_device_ac97);
+#ifndef CONFIG_PCM990_DISPLAY_NONE
+ set_pxa_fb_info(&pcm990_fbinfo);
+#endif
+ pxa_gpio_mode(GPIO16_PWM0_MD);
+ platform_device_register(&pcm990_backlight_device);
/* MMC */
pxa_set_mci_info(&pcm990_mci_platform_data);
@@ -402,6 +468,7 @@ void __init pcm990_baseboard_init(void)
pxa_set_ohci_info(&pcm990_ohci_platform_data);
pxa_set_i2c_info(NULL);
+ pxa_set_ac97_info(NULL);
#if defined(CONFIG_VIDEO_PXA27x) || defined(CONFIG_VIDEO_PXA27x_MODULE)
pxa_set_camera_info(&pcm990_pxacamera_platform_data);
diff --git a/arch/arm/mach-pxa/poodle.c b/arch/arm/mach-pxa/poodle.c
index 0b30f25cff3..f81c10cafd4 100644
--- a/arch/arm/mach-pxa/poodle.c
+++ b/arch/arm/mach-pxa/poodle.c
@@ -32,6 +32,7 @@
#include <asm/mach/irq.h>
#include <asm/arch/pxa-regs.h>
+#include <asm/arch/pxa2xx-regs.h>
#include <asm/arch/pxa2xx-gpio.h>
#include <asm/arch/mmc.h>
#include <asm/arch/udc.h>
diff --git a/arch/arm/mach-pxa/pwm.c b/arch/arm/mach-pxa/pwm.c
new file mode 100644
index 00000000000..ce28cd9fed1
--- /dev/null
+++ b/arch/arm/mach-pxa/pwm.c
@@ -0,0 +1,319 @@
+/*
+ * linux/arch/arm/mach-pxa/pwm.c
+ *
+ * simple driver for PWM (Pulse Width Modulator) controller
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * 2008-02-13 initial version
+ * eric miao <eric.miao@marvell.com>
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/err.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/pwm.h>
+
+#include <asm/div64.h>
+#include <asm/arch/pxa-regs.h>
+
+/* PWM registers and bits definitions */
+#define PWMCR (0x00)
+#define PWMDCR (0x04)
+#define PWMPCR (0x08)
+
+#define PWMCR_SD (1 << 6)
+#define PWMDCR_FD (1 << 10)
+
+struct pwm_device {
+ struct list_head node;
+ struct platform_device *pdev;
+
+ const char *label;
+ struct clk *clk;
+ int clk_enabled;
+ void __iomem *mmio_base;
+
+ unsigned int use_count;
+ unsigned int pwm_id;
+};
+
+/*
+ * period_ns = 10^9 * (PRESCALE + 1) * (PV + 1) / PWM_CLK_RATE
+ * duty_ns = 10^9 * (PRESCALE + 1) * DC / PWM_CLK_RATE
+ */
+int pwm_config(struct pwm_device *pwm, int duty_ns, int period_ns)
+{
+ unsigned long long c;
+ unsigned long period_cycles, prescale, pv, dc;
+
+ if (pwm == NULL || period_ns == 0 || duty_ns > period_ns)
+ return -EINVAL;
+
+ c = clk_get_rate(pwm->clk);
+ c = c * period_ns;
+ do_div(c, 1000000000);
+ period_cycles = c;
+
+ if (period_cycles < 0)
+ period_cycles = 1;
+ prescale = (period_cycles - 1) / 1024;
+ pv = period_cycles / (prescale + 1) - 1;
+
+ if (prescale > 63)
+ return -EINVAL;
+
+ if (duty_ns == period_ns)
+ dc = PWMDCR_FD;
+ else
+ dc = (pv + 1) * duty_ns / period_ns;
+
+ /* NOTE: the clock to PWM has to be enabled first
+ * before writing to the registers
+ */
+ clk_enable(pwm->clk);
+ __raw_writel(prescale, pwm->mmio_base + PWMCR);
+ __raw_writel(dc, pwm->mmio_base + PWMDCR);
+ __raw_writel(pv, pwm->mmio_base + PWMPCR);
+ clk_disable(pwm->clk);
+
+ return 0;
+}
+EXPORT_SYMBOL(pwm_config);
+
+int pwm_enable(struct pwm_device *pwm)
+{
+ int rc = 0;
+
+ if (!pwm->clk_enabled) {
+ rc = clk_enable(pwm->clk);
+ if (!rc)
+ pwm->clk_enabled = 1;
+ }
+ return rc;
+}
+EXPORT_SYMBOL(pwm_enable);
+
+void pwm_disable(struct pwm_device *pwm)
+{
+ if (pwm->clk_enabled) {
+ clk_disable(pwm->clk);
+ pwm->clk_enabled = 0;
+ }
+}
+EXPORT_SYMBOL(pwm_disable);
+
+static DEFINE_MUTEX(pwm_lock);
+static LIST_HEAD(pwm_list);
+
+struct pwm_device *pwm_request(int pwm_id, const char *label)
+{
+ struct pwm_device *pwm;
+ int found = 0;
+
+ mutex_lock(&pwm_lock);
+
+ list_for_each_entry(pwm, &pwm_list, node) {
+ if (pwm->pwm_id == pwm_id) {
+ found = 1;
+ break;
+ }
+ }
+
+ if (found) {
+ if (pwm->use_count == 0) {
+ pwm->use_count++;
+ pwm->label = label;
+ } else
+ pwm = ERR_PTR(-EBUSY);
+ } else
+ pwm = ERR_PTR(-ENOENT);
+
+ mutex_unlock(&pwm_lock);
+ return pwm;
+}
+EXPORT_SYMBOL(pwm_request);
+
+void pwm_free(struct pwm_device *pwm)
+{
+ mutex_lock(&pwm_lock);
+
+ if (pwm->use_count) {
+ pwm->use_count--;
+ pwm->label = NULL;
+ } else
+ pr_warning("PWM device already freed\n");
+
+ mutex_unlock(&pwm_lock);
+}
+EXPORT_SYMBOL(pwm_free);
+
+static inline void __add_pwm(struct pwm_device *pwm)
+{
+ mutex_lock(&pwm_lock);
+ list_add_tail(&pwm->node, &pwm_list);
+ mutex_unlock(&pwm_lock);
+}
+
+static struct pwm_device *pwm_probe(struct platform_device *pdev,
+ unsigned int pwm_id, struct pwm_device *parent_pwm)
+{
+ struct pwm_device *pwm;
+ struct resource *r;
+ int ret = 0;
+
+ pwm = kzalloc(sizeof(struct pwm_device), GFP_KERNEL);
+ if (pwm == NULL) {
+ dev_err(&pdev->dev, "failed to allocate memory\n");
+ return ERR_PTR(-ENOMEM);
+ }
+
+ pwm->clk = clk_get(&pdev->dev, "PWMCLK");
+ if (IS_ERR(pwm->clk)) {
+ ret = PTR_ERR(pwm->clk);
+ goto err_free;
+ }
+ pwm->clk_enabled = 0;
+
+ pwm->use_count = 0;
+ pwm->pwm_id = pwm_id;
+ pwm->pdev = pdev;
+
+ if (parent_pwm != NULL) {
+ /* registers for the second PWM has offset of 0x10 */
+ pwm->mmio_base = parent_pwm->mmio_base + 0x10;
+ __add_pwm(pwm);
+ return pwm;
+ }
+
+ r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (r == NULL) {
+ dev_err(&pdev->dev, "no memory resource defined\n");
+ ret = -ENODEV;
+ goto err_free_clk;
+ }
+
+ r = request_mem_region(r->start, r->end - r->start + 1, pdev->name);
+ if (r == NULL) {
+ dev_err(&pdev->dev, "failed to request memory resource\n");
+ ret = -EBUSY;
+ goto err_free_clk;
+ }
+
+ pwm->mmio_base = ioremap(r->start, r->end - r->start + 1);
+ if (pwm->mmio_base == NULL) {
+ dev_err(&pdev->dev, "failed to ioremap() registers\n");
+ ret = -ENODEV;
+ goto err_free_mem;
+ }
+
+ __add_pwm(pwm);
+ platform_set_drvdata(pdev, pwm);
+ return pwm;
+
+err_free_mem:
+ release_mem_region(r->start, r->end - r->start + 1);
+err_free_clk:
+ clk_put(pwm->clk);
+err_free:
+ kfree(pwm);
+ return ERR_PTR(ret);
+}
+
+static int __devinit pxa25x_pwm_probe(struct platform_device *pdev)
+{
+ struct pwm_device *pwm = pwm_probe(pdev, pdev->id, NULL);
+
+ if (IS_ERR(pwm))
+ return PTR_ERR(pwm);
+
+ return 0;
+}
+
+static int __devinit pxa27x_pwm_probe(struct platform_device *pdev)
+{
+ struct pwm_device *pwm;
+
+ pwm = pwm_probe(pdev, pdev->id, NULL);
+ if (IS_ERR(pwm))
+ return PTR_ERR(pwm);
+
+ pwm = pwm_probe(pdev, pdev->id + 2, pwm);
+ if (IS_ERR(pwm))
+ return PTR_ERR(pwm);
+
+ return 0;
+}
+
+static int __devexit pwm_remove(struct platform_device *pdev)
+{
+ struct pwm_device *pwm;
+ struct resource *r;
+
+ pwm = platform_get_drvdata(pdev);
+ if (pwm == NULL)
+ return -ENODEV;
+
+ mutex_lock(&pwm_lock);
+ list_del(&pwm->node);
+ mutex_unlock(&pwm_lock);
+
+ iounmap(pwm->mmio_base);
+
+ r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ release_mem_region(r->start, r->end - r->start + 1);
+
+ clk_put(pwm->clk);
+ kfree(pwm);
+ return 0;
+}
+
+static struct platform_driver pxa25x_pwm_driver = {
+ .driver = {
+ .name = "pxa25x-pwm",
+ },
+ .probe = pxa25x_pwm_probe,
+ .remove = __devexit_p(pwm_remove),
+};
+
+static struct platform_driver pxa27x_pwm_driver = {
+ .driver = {
+ .name = "pxa27x-pwm",
+ },
+ .probe = pxa27x_pwm_probe,
+ .remove = __devexit_p(pwm_remove),
+};
+
+static int __init pwm_init(void)
+{
+ int ret = 0;
+
+ ret = platform_driver_register(&pxa25x_pwm_driver);
+ if (ret) {
+ printk(KERN_ERR "failed to register pxa25x_pwm_driver\n");
+ return ret;
+ }
+
+ ret = platform_driver_register(&pxa27x_pwm_driver);
+ if (ret) {
+ printk(KERN_ERR "failed to register pxa27x_pwm_driver\n");
+ return ret;
+ }
+
+ return ret;
+}
+arch_initcall(pwm_init);
+
+static void __exit pwm_exit(void)
+{
+ platform_driver_unregister(&pxa25x_pwm_driver);
+ platform_driver_unregister(&pxa27x_pwm_driver);
+}
+module_exit(pwm_exit);
+
+MODULE_LICENSE("GPL v2");
diff --git a/arch/arm/mach-pxa/pxa25x.c b/arch/arm/mach-pxa/pxa25x.c
index e5b417d14bb..4cd50e3005e 100644
--- a/arch/arm/mach-pxa/pxa25x.c
+++ b/arch/arm/mach-pxa/pxa25x.c
@@ -26,6 +26,7 @@
#include <asm/hardware.h>
#include <asm/arch/irqs.h>
#include <asm/arch/pxa-regs.h>
+#include <asm/arch/pxa2xx-regs.h>
#include <asm/arch/mfp-pxa25x.h>
#include <asm/arch/pm.h>
#include <asm/arch/dma.h>
@@ -117,29 +118,35 @@ static struct clk pxa25x_hwuart_clk =
INIT_CKEN("UARTCLK", HWUART, 14745600, 1, &pxa_device_hwuart.dev)
;
+/*
+ * PXA 2xx clock declarations. Order is important (see aliases below)
+ * Please be careful not to disrupt the ordering.
+ */
static struct clk pxa25x_clks[] = {
INIT_CK("LCDCLK", LCD, &clk_pxa25x_lcd_ops, &pxa_device_fb.dev),
INIT_CKEN("UARTCLK", FFUART, 14745600, 1, &pxa_device_ffuart.dev),
INIT_CKEN("UARTCLK", BTUART, 14745600, 1, &pxa_device_btuart.dev),
INIT_CKEN("UARTCLK", STUART, 14745600, 1, NULL),
- INIT_CKEN("UDCCLK", USB, 47923000, 5, &pxa_device_udc.dev),
+ INIT_CKEN("UDCCLK", USB, 47923000, 5, &pxa25x_device_udc.dev),
INIT_CKEN("MMCCLK", MMC, 19169000, 0, &pxa_device_mci.dev),
INIT_CKEN("I2CCLK", I2C, 31949000, 0, &pxa_device_i2c.dev),
INIT_CKEN("SSPCLK", SSP, 3686400, 0, &pxa25x_device_ssp.dev),
INIT_CKEN("SSPCLK", NSSP, 3686400, 0, &pxa25x_device_nssp.dev),
INIT_CKEN("SSPCLK", ASSP, 3686400, 0, &pxa25x_device_assp.dev),
+ INIT_CKEN("PWMCLK", PWM0, 3686400, 0, &pxa25x_device_pwm0.dev),
+ INIT_CKEN("PWMCLK", PWM1, 3686400, 0, &pxa25x_device_pwm1.dev),
INIT_CKEN("AC97CLK", AC97, 24576000, 0, NULL),
/*
- INIT_CKEN("PWMCLK", PWM0, 3686400, 0, NULL),
- INIT_CKEN("PWMCLK", PWM0, 3686400, 0, NULL),
INIT_CKEN("I2SCLK", I2S, 14745600, 0, NULL),
*/
INIT_CKEN("FICPCLK", FICP, 47923000, 0, NULL),
};
+static struct clk gpio7_clk = INIT_CKOTHER("GPIO7_CK", &pxa25x_clks[4], NULL);
+
#ifdef CONFIG_PM
#define SAVE(x) sleep_save[SLEEP_SAVE_##x] = x
@@ -260,7 +267,7 @@ void __init pxa25x_init_irq(void)
}
static struct platform_device *pxa25x_devices[] __initdata = {
- &pxa_device_udc,
+ &pxa25x_device_udc,
&pxa_device_ffuart,
&pxa_device_btuart,
&pxa_device_stuart,
@@ -269,6 +276,8 @@ static struct platform_device *pxa25x_devices[] __initdata = {
&pxa25x_device_ssp,
&pxa25x_device_nssp,
&pxa25x_device_assp,
+ &pxa25x_device_pwm0,
+ &pxa25x_device_pwm1,
};
static struct sys_device pxa25x_sysdev[] = {
@@ -311,6 +320,8 @@ static int __init pxa25x_init(void)
if (cpu_is_pxa25x())
ret = platform_device_register(&pxa_device_hwuart);
+ clks_register(&gpio7_clk, 1);
+
return ret;
}
diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c
index 7e945836e12..d5d14ea33f2 100644
--- a/arch/arm/mach-pxa/pxa27x.c
+++ b/arch/arm/mach-pxa/pxa27x.c
@@ -146,7 +146,7 @@ static struct clk pxa27x_clks[] = {
INIT_CKEN("I2SCLK", I2S, 14682000, 0, &pxa_device_i2s.dev),
INIT_CKEN("I2CCLK", I2C, 32842000, 0, &pxa_device_i2c.dev),
- INIT_CKEN("UDCCLK", USB, 48000000, 5, &pxa_device_udc.dev),
+ INIT_CKEN("UDCCLK", USB, 48000000, 5, &pxa27x_device_udc.dev),
INIT_CKEN("MMCCLK", MMC, 19500000, 0, &pxa_device_mci.dev),
INIT_CKEN("FICPCLK", FICP, 48000000, 0, &pxa_device_ficp.dev),
@@ -157,12 +157,13 @@ static struct clk pxa27x_clks[] = {
INIT_CKEN("SSPCLK", SSP1, 13000000, 0, &pxa27x_device_ssp1.dev),
INIT_CKEN("SSPCLK", SSP2, 13000000, 0, &pxa27x_device_ssp2.dev),
INIT_CKEN("SSPCLK", SSP3, 13000000, 0, &pxa27x_device_ssp3.dev),
+ INIT_CKEN("PWMCLK", PWM0, 13000000, 0, &pxa27x_device_pwm0.dev),
+ INIT_CKEN("PWMCLK", PWM1, 13000000, 0, &pxa27x_device_pwm1.dev),
INIT_CKEN("AC97CLK", AC97, 24576000, 0, NULL),
INIT_CKEN("AC97CONFCLK", AC97CONF, 24576000, 0, NULL),
/*
- INIT_CKEN("PWMCLK", PWM0, 13000000, 0, NULL),
INIT_CKEN("MSLCLK", MSL, 48000000, 0, NULL),
INIT_CKEN("USIMCLK", USIM, 48000000, 0, NULL),
INIT_CKEN("MSTKCLK", MEMSTK, 19500000, 0, NULL),
@@ -349,11 +350,14 @@ struct platform_device pxa27x_device_i2c_power = {
void __init pxa_set_i2c_power_info(struct i2c_pxa_platform_data *info)
{
+ local_irq_disable();
+ PCFR |= PCFR_PI2CEN;
+ local_irq_enable();
pxa27x_device_i2c_power.dev.platform_data = info;
}
static struct platform_device *devices[] __initdata = {
- &pxa_device_udc,
+ &pxa27x_device_udc,
&pxa_device_ffuart,
&pxa_device_btuart,
&pxa_device_stuart,
@@ -363,6 +367,8 @@ static struct platform_device *devices[] __initdata = {
&pxa27x_device_ssp1,
&pxa27x_device_ssp2,
&pxa27x_device_ssp3,
+ &pxa27x_device_pwm0,
+ &pxa27x_device_pwm1,
};
static struct sys_device pxa27x_sysdev[] = {
diff --git a/arch/arm/mach-pxa/pxa2xx.c b/arch/arm/mach-pxa/pxa2xx.c
new file mode 100644
index 00000000000..d4f6415e841
--- /dev/null
+++ b/arch/arm/mach-pxa/pxa2xx.c
@@ -0,0 +1,46 @@
+/*
+ * linux/arch/arm/mach-pxa/pxa2xx.c
+ *
+ * code specific to pxa2xx
+ *
+ * Copyright (C) 2008 Dmitry Baryshkov
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/device.h>
+
+#include <asm/arch/mfp-pxa2xx.h>
+#include <asm/arch/mfp-pxa25x.h>
+#include <asm/arch/irda.h>
+
+static unsigned long pxa2xx_mfp_fir[] = {
+ GPIO46_FICP_RXD,
+ GPIO47_FICP_TXD,
+};
+
+static unsigned long pxa2xx_mfp_sir[] = {
+ GPIO46_STUART_RXD,
+ GPIO47_STUART_TXD,
+};
+
+static unsigned long pxa2xx_mfp_off[] = {
+ GPIO46_GPIO | MFP_LPM_DRIVE_LOW,
+ GPIO47_GPIO | MFP_LPM_DRIVE_LOW,
+};
+
+void pxa2xx_transceiver_mode(struct device *dev, int mode)
+{
+ if (mode & IR_OFF) {
+ pxa2xx_mfp_config(pxa2xx_mfp_off, ARRAY_SIZE(pxa2xx_mfp_off));
+ } else if (mode & IR_SIRMODE) {
+ pxa2xx_mfp_config(pxa2xx_mfp_sir, ARRAY_SIZE(pxa2xx_mfp_sir));
+ } else if (mode & IR_FIRMODE) {
+ pxa2xx_mfp_config(pxa2xx_mfp_fir, ARRAY_SIZE(pxa2xx_mfp_fir));
+ } else
+ BUG();
+}
diff --git a/arch/arm/mach-pxa/pxa3xx.c b/arch/arm/mach-pxa/pxa3xx.c
index 644550bfa33..15685d2b8f8 100644
--- a/arch/arm/mach-pxa/pxa3xx.c
+++ b/arch/arm/mach-pxa/pxa3xx.c
@@ -231,7 +231,7 @@ static struct clk pxa3xx_clks[] = {
PXA3xx_CKEN("UARTCLK", STUART, 14857000, 1, NULL),
PXA3xx_CKEN("I2CCLK", I2C, 32842000, 0, &pxa_device_i2c.dev),
- PXA3xx_CKEN("UDCCLK", UDC, 48000000, 5, &pxa_device_udc.dev),
+ PXA3xx_CKEN("UDCCLK", UDC, 48000000, 5, &pxa27x_device_udc.dev),
PXA3xx_CKEN("USBCLK", USBH, 48000000, 0, &pxa27x_device_ohci.dev),
PXA3xx_CKEN("KBDCLK", KEYPAD, 32768, 0, &pxa27x_device_keypad.dev),
@@ -239,6 +239,8 @@ static struct clk pxa3xx_clks[] = {
PXA3xx_CKEN("SSPCLK", SSP2, 13000000, 0, &pxa27x_device_ssp2.dev),
PXA3xx_CKEN("SSPCLK", SSP3, 13000000, 0, &pxa27x_device_ssp3.dev),
PXA3xx_CKEN("SSPCLK", SSP4, 13000000, 0, &pxa3xx_device_ssp4.dev),
+ PXA3xx_CKEN("PWMCLK", PWM0, 13000000, 0, &pxa27x_device_pwm0.dev),
+ PXA3xx_CKEN("PWMCLK", PWM1, 13000000, 0, &pxa27x_device_pwm1.dev),
PXA3xx_CKEN("MMCCLK", MMC1, 19500000, 0, &pxa_device_mci.dev),
PXA3xx_CKEN("MMCCLK", MMC2, 19500000, 0, &pxa3xx_device_mci2.dev),
@@ -520,7 +522,7 @@ void __init pxa3xx_init_irq(void)
*/
static struct platform_device *devices[] __initdata = {
- &pxa_device_udc,
+/* &pxa_device_udc, The UDC driver is PXA25x only */
&pxa_device_ffuart,
&pxa_device_btuart,
&pxa_device_stuart,
@@ -530,6 +532,8 @@ static struct platform_device *devices[] __initdata = {
&pxa27x_device_ssp2,
&pxa27x_device_ssp3,
&pxa3xx_device_ssp4,
+ &pxa27x_device_pwm0,
+ &pxa27x_device_pwm1,
};
static struct sys_device pxa3xx_sysdev[] = {
diff --git a/arch/arm/mach-pxa/spitz_pm.c b/arch/arm/mach-pxa/spitz_pm.c
index 23f050feb20..360354084ae 100644
--- a/arch/arm/mach-pxa/spitz_pm.c
+++ b/arch/arm/mach-pxa/spitz_pm.c
@@ -26,6 +26,7 @@
#include <asm/arch/sharpsl.h>
#include <asm/arch/spitz.h>
#include <asm/arch/pxa-regs.h>
+#include <asm/arch/pxa2xx-regs.h>
#include <asm/arch/pxa2xx-gpio.h>
#include "sharpsl.h"
@@ -207,7 +208,9 @@ struct sharpsl_charger_machinfo spitz_pm_machinfo = {
.read_devdata = spitzpm_read_devdata,
.charger_wakeup = spitz_charger_wakeup,
.should_wakeup = spitz_should_wakeup,
+#ifdef CONFIG_BACKLIGHT_CORGI
.backlight_limit = corgibl_limit_intensity,
+#endif
.charge_on_volt = SHARPSL_CHARGE_ON_VOLT,
.charge_on_temp = SHARPSL_CHARGE_ON_TEMP,
.charge_acin_high = SHARPSL_CHARGE_ON_ACIN_HIGH,
@@ -229,6 +232,10 @@ static int __devinit spitzpm_init(void)
{
int ret;
+ if (!machine_is_spitz() && !machine_is_akita()
+ && !machine_is_borzoi())
+ return -ENODEV;
+
spitzpm_device = platform_device_alloc("sharpsl-pm", -1);
if (!spitzpm_device)
return -ENOMEM;
diff --git a/arch/arm/mach-pxa/standby.S b/arch/arm/mach-pxa/standby.S
index 167412e6bec..40bb70eff3f 100644
--- a/arch/arm/mach-pxa/standby.S
+++ b/arch/arm/mach-pxa/standby.S
@@ -14,6 +14,7 @@
#include <asm/hardware.h>
#include <asm/arch/pxa-regs.h>
+#include <asm/arch/pxa2xx-regs.h>
.text
@@ -35,20 +36,20 @@ ENTRY(pxa_cpu_standby)
#ifdef CONFIG_PXA3xx
-#define MDCNFG 0x0000
-#define MDCNFG_DMCEN (1 << 30)
-#define DDR_HCAL 0x0060
-#define DDR_HCAL_HCRNG 0x1f
-#define DDR_HCAL_HCPROG (1 << 28)
-#define DDR_HCAL_HCEN (1 << 31)
-#define DMCIER 0x0070
-#define DMCIER_EDLP (1 << 29)
-#define DMCISR 0x0078
-#define RCOMP 0x0100
-#define RCOMP_SWEVAL (1 << 31)
+#define PXA3_MDCNFG 0x0000
+#define PXA3_MDCNFG_DMCEN (1 << 30)
+#define PXA3_DDR_HCAL 0x0060
+#define PXA3_DDR_HCAL_HCRNG 0x1f
+#define PXA3_DDR_HCAL_HCPROG (1 << 28)
+#define PXA3_DDR_HCAL_HCEN (1 << 31)
+#define PXA3_DMCIER 0x0070
+#define PXA3_DMCIER_EDLP (1 << 29)
+#define PXA3_DMCISR 0x0078
+#define PXA3_RCOMP 0x0100
+#define PXA3_RCOMP_SWEVAL (1 << 31)
ENTRY(pm_enter_standby_start)
- mov r1, #0xf6000000 @ DMEMC_REG_BASE (MDCNFG)
+ mov r1, #0xf6000000 @ DMEMC_REG_BASE (PXA3_MDCNFG)
add r1, r1, #0x00100000
/*
@@ -59,54 +60,54 @@ ENTRY(pm_enter_standby_start)
* This also means that only the dynamic memory controller
* can be reliably accessed in the code following standby.
*/
- ldr r2, [r1] @ Dummy read MDCNFG
+ ldr r2, [r1] @ Dummy read PXA3_MDCNFG
mcr p14, 0, r0, c7, c0, 0
.rept 8
nop
.endr
- ldr r0, [r1, #DDR_HCAL] @ Clear (and wait for) HCEN
- bic r0, r0, #DDR_HCAL_HCEN
- str r0, [r1, #DDR_HCAL]
-1: ldr r0, [r1, #DDR_HCAL]
- tst r0, #DDR_HCAL_HCEN
+ ldr r0, [r1, #PXA3_DDR_HCAL] @ Clear (and wait for) HCEN
+ bic r0, r0, #PXA3_DDR_HCAL_HCEN
+ str r0, [r1, #PXA3_DDR_HCAL]
+1: ldr r0, [r1, #PXA3_DDR_HCAL]
+ tst r0, #PXA3_DDR_HCAL_HCEN
bne 1b
- ldr r0, [r1, #RCOMP] @ Initiate RCOMP
- orr r0, r0, #RCOMP_SWEVAL
- str r0, [r1, #RCOMP]
+ ldr r0, [r1, #PXA3_RCOMP] @ Initiate RCOMP
+ orr r0, r0, #PXA3_RCOMP_SWEVAL
+ str r0, [r1, #PXA3_RCOMP]
- mov r0, #~0 @ Clear interrupts
- str r0, [r1, #DMCISR]
+ mov r0, #~0 @ Clear interrupts
+ str r0, [r1, #PXA3_DMCISR]
- ldr r0, [r1, #DMCIER] @ set DMIER[EDLP]
- orr r0, r0, #DMCIER_EDLP
- str r0, [r1, #DMCIER]
+ ldr r0, [r1, #PXA3_DMCIER] @ set DMIER[EDLP]
+ orr r0, r0, #PXA3_DMCIER_EDLP
+ str r0, [r1, #PXA3_DMCIER]
- ldr r0, [r1, #DDR_HCAL] @ clear HCRNG, set HCPROG, HCEN
- bic r0, r0, #DDR_HCAL_HCRNG
- orr r0, r0, #DDR_HCAL_HCEN | DDR_HCAL_HCPROG
- str r0, [r1, #DDR_HCAL]
+ ldr r0, [r1, #PXA3_DDR_HCAL] @ clear HCRNG, set HCPROG, HCEN
+ bic r0, r0, #PXA3_DDR_HCAL_HCRNG
+ orr r0, r0, #PXA3_DDR_HCAL_HCEN | PXA3_DDR_HCAL_HCPROG
+ str r0, [r1, #PXA3_DDR_HCAL]
-1: ldr r0, [r1, #DMCISR]
- tst r0, #DMCIER_EDLP
+1: ldr r0, [r1, #PXA3_DMCISR]
+ tst r0, #PXA3_DMCIER_EDLP
beq 1b
- ldr r0, [r1, #MDCNFG] @ set MDCNFG[DMCEN]
- orr r0, r0, #MDCNFG_DMCEN
- str r0, [r1, #MDCNFG]
-1: ldr r0, [r1, #MDCNFG]
- tst r0, #MDCNFG_DMCEN
+ ldr r0, [r1, #PXA3_MDCNFG] @ set PXA3_MDCNFG[DMCEN]
+ orr r0, r0, #PXA3_MDCNFG_DMCEN
+ str r0, [r1, #PXA3_MDCNFG]
+1: ldr r0, [r1, #PXA3_MDCNFG]
+ tst r0, #PXA3_MDCNFG_DMCEN
beq 1b
- ldr r0, [r1, #DDR_HCAL] @ set DDR_HCAL[HCRNG]
+ ldr r0, [r1, #PXA3_DDR_HCAL] @ set PXA3_DDR_HCAL[HCRNG]
orr r0, r0, #2 @ HCRNG
- str r0, [r1, #DDR_HCAL]
+ str r0, [r1, #PXA3_DDR_HCAL]
- ldr r0, [r1, #DMCIER] @ Clear the interrupt
+ ldr r0, [r1, #PXA3_DMCIER] @ Clear the interrupt
bic r0, r0, #0x20000000
- str r0, [r1, #DMCIER]
+ str r0, [r1, #PXA3_DMCIER]
mov pc, lr
ENTRY(pm_enter_standby_end)
diff --git a/arch/arm/mach-pxa/trizeps4.c b/arch/arm/mach-pxa/trizeps4.c
index 931885d86b9..61e24402308 100644
--- a/arch/arm/mach-pxa/trizeps4.c
+++ b/arch/arm/mach-pxa/trizeps4.c
@@ -41,6 +41,7 @@
#include <asm/mach/flash.h>
#include <asm/arch/pxa-regs.h>
+#include <asm/arch/pxa2xx-regs.h>
#include <asm/arch/pxa2xx-gpio.h>
#include <asm/arch/trizeps4.h>
#include <asm/arch/audio.h>
@@ -175,19 +176,10 @@ static struct platform_device uart_devices = {
.resource = NULL,
};
-/********************************************************************************************
- * PXA270 ac97 sound codec
- ********************************************************************************************/
-static struct platform_device ac97_audio_device = {
- .name = "pxa2xx-ac97",
- .id = -1,
-};
-
static struct platform_device * trizeps4_devices[] __initdata = {
&flash_device,
&uart_devices,
&dm9000_device,
- &ac97_audio_device,
};
#ifdef CONFIG_MACH_TRIZEPS4_CONXS
@@ -438,6 +430,7 @@ static void __init trizeps4_init(void)
pxa_set_mci_info(&trizeps4_mci_platform_data);
pxa_set_ficp_info(&trizeps4_ficp_platform_data);
pxa_set_ohci_info(&trizeps4_ohci_platform_data);
+ pxa_set_ac97_info(NULL);
}
static void __init trizeps4_map_io(void)
@@ -487,6 +480,7 @@ static void __init trizeps4_map_io(void)
ConXS_BCR = trizeps_conxs_bcr;
#endif
+#warning FIXME - accessing PM registers directly is deprecated
PWER = 0x00000002;
PFER = 0x00000000;
PRER = 0x00000002;
diff --git a/arch/arm/mach-pxa/zylonite.c b/arch/arm/mach-pxa/zylonite.c
index 4a0028087ea..66b446ca273 100644
--- a/arch/arm/mach-pxa/zylonite.c
+++ b/arch/arm/mach-pxa/zylonite.c
@@ -18,22 +18,24 @@
#include <linux/interrupt.h>
#include <linux/init.h>
#include <linux/platform_device.h>
+#include <linux/pwm_backlight.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/hardware.h>
+#include <asm/arch/audio.h>
#include <asm/arch/gpio.h>
#include <asm/arch/pxafb.h>
#include <asm/arch/zylonite.h>
#include <asm/arch/mmc.h>
#include <asm/arch/pxa27x_keypad.h>
+#include "devices.h"
#include "generic.h"
#define MAX_SLOTS 3
struct platform_mmc_slot zylonite_mmc_slot[MAX_SLOTS];
-int gpio_backlight;
int gpio_eth_irq;
int wm9713_irq;
@@ -62,10 +64,20 @@ static struct platform_device smc91x_device = {
};
#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
-static void zylonite_backlight_power(int on)
-{
- gpio_set_value(gpio_backlight, on);
-}
+static struct platform_pwm_backlight_data zylonite_backlight_data = {
+ .pwm_id = 3,
+ .max_brightness = 100,
+ .dft_brightness = 100,
+ .pwm_period_ns = 10000,
+};
+
+static struct platform_device zylonite_backlight_device = {
+ .name = "pwm-backlight",
+ .dev = {
+ .parent = &pxa27x_device_pwm1.dev,
+ .platform_data = &zylonite_backlight_data,
+ },
+};
static struct pxafb_mode_info toshiba_ltm035a776c_mode = {
.pixclock = 110000,
@@ -98,7 +110,6 @@ static struct pxafb_mode_info toshiba_ltm04c380k_mode = {
static struct pxafb_mach_info zylonite_toshiba_lcd_info = {
.num_modes = 1,
.lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
- .pxafb_backlight_power = zylonite_backlight_power,
};
static struct pxafb_mode_info sharp_ls037_modes[] = {
@@ -134,13 +145,11 @@ static struct pxafb_mach_info zylonite_sharp_lcd_info = {
.modes = sharp_ls037_modes,
.num_modes = 2,
.lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
- .pxafb_backlight_power = zylonite_backlight_power,
};
static void __init zylonite_init_lcd(void)
{
- /* backlight GPIO: output, default on */
- gpio_direction_output(gpio_backlight, 1);
+ platform_device_register(&zylonite_backlight_device);
if (lcd_id & 0x20) {
set_pxa_fb_info(&zylonite_sharp_lcd_info);
@@ -329,6 +338,7 @@ static void __init zylonite_init(void)
smc91x_resources[1].end = gpio_to_irq(gpio_eth_irq);
platform_device_register(&smc91x_device);
+ pxa_set_ac97_info(NULL);
zylonite_init_lcd();
zylonite_init_mmc();
zylonite_init_keypad();
diff --git a/arch/arm/mach-pxa/zylonite_pxa300.c b/arch/arm/mach-pxa/zylonite_pxa300.c
index 324fb9daae2..6f7ae972b8d 100644
--- a/arch/arm/mach-pxa/zylonite_pxa300.c
+++ b/arch/arm/mach-pxa/zylonite_pxa300.c
@@ -50,6 +50,7 @@ static mfp_cfg_t common_mfp_cfg[] __initdata = {
GPIO75_LCD_BIAS,
GPIO76_LCD_VSYNC,
GPIO127_LCD_CS_N,
+ GPIO20_PWM3_OUT, /* backlight */
/* BTUART */
GPIO111_UART2_RTS,
@@ -200,9 +201,6 @@ void __init zylonite_pxa300_init(void)
/* detect LCD panel */
zylonite_detect_lcd_panel();
- /* GPIO pin assignment */
- gpio_backlight = mfp_to_gpio(MFP_PIN_GPIO20);
-
/* MMC card detect & write protect for controller 0 */
zylonite_mmc_slot[0].gpio_cd = EXT_GPIO(0);
zylonite_mmc_slot[0].gpio_wp = EXT_GPIO(2);
diff --git a/arch/arm/mach-pxa/zylonite_pxa320.c b/arch/arm/mach-pxa/zylonite_pxa320.c
index 193d07903b0..2b4fc34919a 100644
--- a/arch/arm/mach-pxa/zylonite_pxa320.c
+++ b/arch/arm/mach-pxa/zylonite_pxa320.c
@@ -49,6 +49,7 @@ static mfp_cfg_t mfp_cfg[] __initdata = {
GPIO15_2_LCD_LCLK,
GPIO16_2_LCD_PCLK,
GPIO17_2_LCD_BIAS,
+ GPIO14_PWM3_OUT, /* backlight */
/* FFUART */
GPIO41_UART1_RXD | MFP_LPM_EDGE_FALL,
@@ -187,7 +188,6 @@ void __init zylonite_pxa320_init(void)
zylonite_detect_lcd_panel();
/* GPIO pin assignment */
- gpio_backlight = mfp_to_gpio(MFP_PIN_GPIO14);
gpio_eth_irq = mfp_to_gpio(MFP_PIN_GPIO9);
/* MMC card detect & write protect for controller 0 */
diff --git a/arch/arm/mach-s3c2410/Kconfig b/arch/arm/mach-s3c2410/Kconfig
index cd3dc0834b3..99fdc736698 100644
--- a/arch/arm/mach-s3c2410/Kconfig
+++ b/arch/arm/mach-s3c2410/Kconfig
@@ -37,6 +37,17 @@ config S3C2410_CLOCK
help
Clock code for the S3C2410, and similar processors
+config SIMTEC_NOR
+ bool
+ help
+ Internal node to specify machine has simtec NOR mapping
+
+config MACH_BAST_IDE
+ bool
+ select HAVE_PATA_PLATFORM
+ help
+ Internal node for machines with an BAST style IDE
+ interface
menu "S3C2410 Machines"
@@ -61,15 +72,18 @@ config PM_H1940
Internal node for H1940 and related PM
config MACH_N30
- bool "Acer N30"
+ bool "Acer N30 family"
select CPU_S3C2410
help
- Say Y here if you are using the Acer N30
+ Say Y here if you want suppt for the Acer N30, Acer N35,
+ Navman PiN570, Yakumo AlphaX or Airis NC05 PDAs.
config ARCH_BAST
bool "Simtec Electronics BAST (EB2410ITX)"
select CPU_S3C2410
select PM_SIMTEC if PM
+ select SIMTEC_NOR
+ select MACH_BAST_IDE
select ISA
help
Say Y here if you are using the Simtec Electronics EB2410ITX
@@ -107,6 +121,8 @@ config MACH_TCT_HAMMER
config MACH_VR1000
bool "Thorcom VR1000"
select PM_SIMTEC if PM
+ select SIMTEC_NOR
+ select MACH_BAST_IDE
select CPU_S3C2410
help
Say Y here if you are using the Thorcom VR1000 board.
@@ -118,4 +134,3 @@ config MACH_QT2410
Say Y here if you are using the Armzone QT2410
endmenu
-
diff --git a/arch/arm/mach-s3c2410/Makefile b/arch/arm/mach-s3c2410/Makefile
index cabc13ce09e..00f31f8c4e7 100644
--- a/arch/arm/mach-s3c2410/Makefile
+++ b/arch/arm/mach-s3c2410/Makefile
@@ -30,3 +30,11 @@ obj-$(CONFIG_BAST_PC104_IRQ) += bast-irq.o
obj-$(CONFIG_MACH_TCT_HAMMER) += mach-tct_hammer.o
obj-$(CONFIG_MACH_VR1000) += mach-vr1000.o usb-simtec.o
obj-$(CONFIG_MACH_QT2410) += mach-qt2410.o
+
+# Common bits of machine support
+
+obj-$(CONFIG_SIMTEC_NOR) += nor-simtec.o
+
+# machine additions
+
+obj-$(CONFIG_MACH_BAST_IDE) += bast-ide.o
diff --git a/arch/arm/mach-s3c2410/bast-ide.c b/arch/arm/mach-s3c2410/bast-ide.c
new file mode 100644
index 00000000000..df95fe37cdc
--- /dev/null
+++ b/arch/arm/mach-s3c2410/bast-ide.c
@@ -0,0 +1,112 @@
+/* linux/arch/arm/mach-s3c2410/bast-ide.c
+ *
+ * Copyright 2007 Simtec Electronics
+ * http://www.simtec.co.uk/products/EB2410ITX/
+ * http://armlinux.simtec.co.uk/
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+
+#include <linux/platform_device.h>
+#include <linux/ata_platform.h>
+
+#include <asm/mach-types.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include <asm/arch/map.h>
+#include <asm/arch/bast-map.h>
+#include <asm/arch/bast-irq.h>
+
+/* IDE ports */
+
+static struct pata_platform_info bast_ide_platdata = {
+ .ioport_shift = 5,
+};
+
+#define IDE_CS S3C2410_CS5
+
+static struct resource bast_ide0_resource[] = {
+ [0] = {
+ .start = IDE_CS + BAST_PA_IDEPRI,
+ .end = IDE_CS + BAST_PA_IDEPRI + (8 * 0x20) - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IDE_CS + BAST_PA_IDEPRIAUX + (6 * 0x20) ,
+ .end = IDE_CS + BAST_PA_IDEPRIAUX + (7 * 0x20) - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [2] = {
+ .start = IRQ_IDE0,
+ .end = IRQ_IDE0,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device bast_device_ide0 = {
+ .name = "pata_platform",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(bast_ide0_resource),
+ .resource = bast_ide0_resource,
+ .dev = {
+ .platform_data = &bast_ide_platdata,
+ .coherent_dma_mask = ~0,
+ }
+
+};
+
+static struct resource bast_ide1_resource[] = {
+ [0] = {
+ .start = IDE_CS + BAST_PA_IDESEC,
+ .end = IDE_CS + BAST_PA_IDESEC + (8 * 0x20) - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IDE_CS + BAST_PA_IDESECAUX + (6 * 0x20),
+ .end = IDE_CS + BAST_PA_IDESECAUX + (7 * 0x20) - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [2] = {
+ .start = IRQ_IDE1,
+ .end = IRQ_IDE1,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device bast_device_ide1 = {
+ .name = "pata_platform",
+ .id = 1,
+ .num_resources = ARRAY_SIZE(bast_ide1_resource),
+ .resource = bast_ide1_resource,
+ .dev = {
+ .platform_data = &bast_ide_platdata,
+ .coherent_dma_mask = ~0,
+ }
+};
+
+static struct platform_device *bast_ide_devices[] __initdata = {
+ &bast_device_ide0,
+ &bast_device_ide1,
+};
+
+static __init int bast_ide_init(void)
+{
+ if (machine_is_bast() || machine_is_vr1000())
+ return platform_add_devices(bast_ide_devices,
+ ARRAY_SIZE(bast_ide_devices));
+
+ return 0;
+}
+
+fs_initcall(bast_ide_init);
diff --git a/arch/arm/mach-s3c2410/mach-bast.c b/arch/arm/mach-s3c2410/mach-bast.c
index 27f63d5d3a7..965f2712970 100644
--- a/arch/arm/mach-s3c2410/mach-bast.c
+++ b/arch/arm/mach-s3c2410/mach-bast.c
@@ -1,6 +1,6 @@
/* linux/arch/arm/mach-s3c2410/mach-bast.c
*
- * Copyright (c) 2003-2005 Simtec Electronics
+ * Copyright (c) 2003-2005,2008 Simtec Electronics
* Ben Dooks <ben@simtec.co.uk>
*
* http://www.simtec.co.uk/products/EB2410ITX/
@@ -20,6 +20,8 @@
#include <linux/serial_core.h>
#include <linux/platform_device.h>
#include <linux/dm9000.h>
+#include <linux/ata_platform.h>
+#include <linux/i2c.h>
#include <net/ax88796.h>
@@ -56,7 +58,9 @@
#include <asm/plat-s3c24xx/clock.h>
#include <asm/plat-s3c24xx/devs.h>
#include <asm/plat-s3c24xx/cpu.h>
+
#include "usb-simtec.h"
+#include "nor-simtec.h"
#define COPYRIGHT ", (c) 2004-2005 Simtec Electronics"
@@ -134,37 +138,21 @@ static struct map_desc bast_iodesc[] __initdata = {
{ VA_C2(BAST_VA_ISAIO), PA_CS2(BAST_PA_ISAIO), SZ_16M, MT_DEVICE },
{ VA_C2(BAST_VA_ISAMEM), PA_CS2(BAST_PA_ISAMEM), SZ_16M, MT_DEVICE },
{ VA_C2(BAST_VA_SUPERIO), PA_CS2(BAST_PA_SUPERIO), SZ_1M, MT_DEVICE },
- { VA_C2(BAST_VA_IDEPRI), PA_CS3(BAST_PA_IDEPRI), SZ_1M, MT_DEVICE },
- { VA_C2(BAST_VA_IDESEC), PA_CS3(BAST_PA_IDESEC), SZ_1M, MT_DEVICE },
- { VA_C2(BAST_VA_IDEPRIAUX), PA_CS3(BAST_PA_IDEPRIAUX), SZ_1M, MT_DEVICE },
- { VA_C2(BAST_VA_IDESECAUX), PA_CS3(BAST_PA_IDESECAUX), SZ_1M, MT_DEVICE },
/* slow, word */
{ VA_C3(BAST_VA_ISAIO), PA_CS3(BAST_PA_ISAIO), SZ_16M, MT_DEVICE },
{ VA_C3(BAST_VA_ISAMEM), PA_CS3(BAST_PA_ISAMEM), SZ_16M, MT_DEVICE },
{ VA_C3(BAST_VA_SUPERIO), PA_CS3(BAST_PA_SUPERIO), SZ_1M, MT_DEVICE },
- { VA_C3(BAST_VA_IDEPRI), PA_CS3(BAST_PA_IDEPRI), SZ_1M, MT_DEVICE },
- { VA_C3(BAST_VA_IDESEC), PA_CS3(BAST_PA_IDESEC), SZ_1M, MT_DEVICE },
- { VA_C3(BAST_VA_IDEPRIAUX), PA_CS3(BAST_PA_IDEPRIAUX), SZ_1M, MT_DEVICE },
- { VA_C3(BAST_VA_IDESECAUX), PA_CS3(BAST_PA_IDESECAUX), SZ_1M, MT_DEVICE },
/* fast, byte */
{ VA_C4(BAST_VA_ISAIO), PA_CS4(BAST_PA_ISAIO), SZ_16M, MT_DEVICE },
{ VA_C4(BAST_VA_ISAMEM), PA_CS4(BAST_PA_ISAMEM), SZ_16M, MT_DEVICE },
{ VA_C4(BAST_VA_SUPERIO), PA_CS4(BAST_PA_SUPERIO), SZ_1M, MT_DEVICE },
- { VA_C4(BAST_VA_IDEPRI), PA_CS5(BAST_PA_IDEPRI), SZ_1M, MT_DEVICE },
- { VA_C4(BAST_VA_IDESEC), PA_CS5(BAST_PA_IDESEC), SZ_1M, MT_DEVICE },
- { VA_C4(BAST_VA_IDEPRIAUX), PA_CS5(BAST_PA_IDEPRIAUX), SZ_1M, MT_DEVICE },
- { VA_C4(BAST_VA_IDESECAUX), PA_CS5(BAST_PA_IDESECAUX), SZ_1M, MT_DEVICE },
/* fast, word */
{ VA_C5(BAST_VA_ISAIO), PA_CS5(BAST_PA_ISAIO), SZ_16M, MT_DEVICE },
{ VA_C5(BAST_VA_ISAMEM), PA_CS5(BAST_PA_ISAMEM), SZ_16M, MT_DEVICE },
{ VA_C5(BAST_VA_SUPERIO), PA_CS5(BAST_PA_SUPERIO), SZ_1M, MT_DEVICE },
- { VA_C5(BAST_VA_IDEPRI), PA_CS5(BAST_PA_IDEPRI), SZ_1M, MT_DEVICE },
- { VA_C5(BAST_VA_IDESEC), PA_CS5(BAST_PA_IDESEC), SZ_1M, MT_DEVICE },
- { VA_C5(BAST_VA_IDEPRIAUX), PA_CS5(BAST_PA_IDEPRIAUX), SZ_1M, MT_DEVICE },
- { VA_C5(BAST_VA_IDESECAUX), PA_CS5(BAST_PA_IDESECAUX), SZ_1M, MT_DEVICE },
};
#define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
@@ -218,23 +206,6 @@ static struct s3c2410_uartcfg bast_uartcfgs[] __initdata = {
}
};
-/* NOR Flash on BAST board */
-
-static struct resource bast_nor_resource[] = {
- [0] = {
- .start = S3C2410_CS1 + 0x4000000,
- .end = S3C2410_CS1 + 0x4000000 + (32*1024*1024) - 1,
- .flags = IORESOURCE_MEM,
- }
-};
-
-static struct platform_device bast_device_nor = {
- .name = "bast-nor",
- .id = -1,
- .num_resources = ARRAY_SIZE(bast_nor_resource),
- .resource = bast_nor_resource,
-};
-
/* NAND Flash on BAST board */
#ifdef CONFIG_PM
@@ -374,7 +345,7 @@ static struct resource bast_dm9k_resource[] = {
[2] = {
.start = IRQ_DM9000,
.end = IRQ_DM9000,
- .flags = IORESOURCE_IRQ | IRQF_TRIGGER_HIGH,
+ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
}
};
@@ -564,6 +535,18 @@ static struct s3c2410fb_mach_info __initdata bast_fb_info = {
.default_display = 1,
};
+/* I2C devices fitted. */
+
+static struct i2c_board_info bast_i2c_devs[] __initdata = {
+ {
+ I2C_BOARD_INFO("tlv320aic23", 0x1a),
+ }, {
+ I2C_BOARD_INFO("simtec-pmu", 0x6b),
+ }, {
+ I2C_BOARD_INFO("ch7013", 0x75),
+ },
+};
+
/* Standard BAST devices */
static struct platform_device *bast_devices[] __initdata = {
@@ -573,7 +556,6 @@ static struct platform_device *bast_devices[] __initdata = {
&s3c_device_i2c,
&s3c_device_rtc,
&s3c_device_nand,
- &bast_device_nor,
&bast_device_dm9k,
&bast_device_asix,
&bast_device_axpp,
@@ -622,6 +604,11 @@ static void __init bast_init(void)
s3c24xx_fb_set_platdata(&bast_fb_info);
platform_add_devices(bast_devices, ARRAY_SIZE(bast_devices));
+
+ i2c_register_board_info(0, bast_i2c_devs,
+ ARRAY_SIZE(bast_i2c_devs));
+
+ nor_simtec_init();
}
MACHINE_START(BAST, "Simtec-BAST")
diff --git a/arch/arm/mach-s3c2410/mach-n30.c b/arch/arm/mach-s3c2410/mach-n30.c
index 621f548da61..43c2e915c5b 100644
--- a/arch/arm/mach-s3c2410/mach-n30.c
+++ b/arch/arm/mach-s3c2410/mach-n30.c
@@ -1,9 +1,10 @@
-/* linux/arch/arm/mach-s3c2410/mach-n30.c
+/* Machine specific code for the Acer n30, Acer N35, Navman PiN 570,
+ * Yakumo AlphaX and Airis NC05 PDAs.
*
* Copyright (c) 2003-2005 Simtec Electronics
* Ben Dooks <ben@simtec.co.uk>
*
- * Copyright (c) 2005 Christer Weinigel <christer@weinigel.se>
+ * Copyright (c) 2005-2008 Christer Weinigel <christer@weinigel.se>
*
* There is a wiki with more information about the n30 port at
* http://handhelds.org/moin/moin.cgi/AcerN30Documentation .
@@ -11,36 +12,42 @@
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
-*/
+ */
#include <linux/kernel.h>
#include <linux/types.h>
-#include <linux/interrupt.h>
-#include <linux/list.h>
-#include <linux/timer.h>
-#include <linux/init.h>
+
#include <linux/delay.h>
-#include <linux/serial_core.h>
+#include <linux/gpio_keys.h>
+#include <linux/init.h>
+#include <linux/input.h>
+#include <linux/interrupt.h>
#include <linux/platform_device.h>
-#include <linux/kthread.h>
-
-#include <asm/mach/arch.h>
-#include <asm/mach/map.h>
-#include <asm/mach/irq.h>
+#include <linux/serial_core.h>
+#include <linux/timer.h>
#include <asm/hardware.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/mach-types.h>
-#include <asm/plat-s3c/regs-serial.h>
+#include <asm/arch/fb.h>
+#include <asm/arch/leds-gpio.h>
#include <asm/arch/regs-gpio.h>
+#include <asm/arch/regs-lcd.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/irq.h>
+#include <asm/mach/map.h>
+
#include <asm/plat-s3c/iic.h>
+#include <asm/plat-s3c/regs-serial.h>
-#include <asm/plat-s3c24xx/s3c2410.h>
#include <asm/plat-s3c24xx/clock.h>
-#include <asm/plat-s3c24xx/devs.h>
#include <asm/plat-s3c24xx/cpu.h>
+#include <asm/plat-s3c24xx/devs.h>
+#include <asm/plat-s3c24xx/s3c2410.h>
+#include <asm/plat-s3c24xx/udc.h>
static struct map_desc n30_iodesc[] __initdata = {
/* nothing here yet */
@@ -64,7 +71,8 @@ static struct s3c2410_uartcfg n30_uartcfgs[] = {
.ulcon = 0x43,
.ufcon = 0x51,
},
- /* The BlueTooth controller is connected to port 2 */
+ /* On the N30 the bluetooth controller is connected here.
+ * On the N35 and variants the GPS receiver is connected here. */
[2] = {
.hwport = 2,
.flags = 0,
@@ -74,13 +82,260 @@ static struct s3c2410_uartcfg n30_uartcfgs[] = {
},
};
+static void n30_udc_pullup(enum s3c2410_udc_cmd_e cmd)
+{
+ switch (cmd) {
+ case S3C2410_UDC_P_ENABLE :
+ s3c2410_gpio_setpin(S3C2410_GPB3, 1);
+ break;
+ case S3C2410_UDC_P_DISABLE :
+ s3c2410_gpio_setpin(S3C2410_GPB3, 0);
+ break;
+ case S3C2410_UDC_P_RESET :
+ break;
+ default:
+ break;
+ }
+}
+
+static struct s3c2410_udc_mach_info n30_udc_cfg __initdata = {
+ .udc_command = n30_udc_pullup,
+ .vbus_pin = S3C2410_GPG1,
+ .vbus_pin_inverted = 0,
+};
+
+static struct gpio_keys_button n30_buttons[] = {
+ {
+ .gpio = S3C2410_GPF0,
+ .code = KEY_POWER,
+ .desc = "Power",
+ .active_low = 0,
+ },
+ {
+ .gpio = S3C2410_GPG9,
+ .code = KEY_UP,
+ .desc = "Thumbwheel Up",
+ .active_low = 0,
+ },
+ {
+ .gpio = S3C2410_GPG8,
+ .code = KEY_DOWN,
+ .desc = "Thumbwheel Down",
+ .active_low = 0,
+ },
+ {
+ .gpio = S3C2410_GPG7,
+ .code = KEY_ENTER,
+ .desc = "Thumbwheel Press",
+ .active_low = 0,
+ },
+ {
+ .gpio = S3C2410_GPF7,
+ .code = KEY_HOMEPAGE,
+ .desc = "Home",
+ .active_low = 0,
+ },
+ {
+ .gpio = S3C2410_GPF6,
+ .code = KEY_CALENDAR,
+ .desc = "Calendar",
+ .active_low = 0,
+ },
+ {
+ .gpio = S3C2410_GPF5,
+ .code = KEY_ADDRESSBOOK,
+ .desc = "Contacts",
+ .active_low = 0,
+ },
+ {
+ .gpio = S3C2410_GPF4,
+ .code = KEY_MAIL,
+ .desc = "Mail",
+ .active_low = 0,
+ },
+};
+
+static struct gpio_keys_platform_data n30_button_data = {
+ .buttons = n30_buttons,
+ .nbuttons = ARRAY_SIZE(n30_buttons),
+};
+
+static struct platform_device n30_button_device = {
+ .name = "gpio-keys",
+ .id = -1,
+ .dev = {
+ .platform_data = &n30_button_data,
+ }
+};
+
+static struct gpio_keys_button n35_buttons[] = {
+ {
+ .gpio = S3C2410_GPF0,
+ .code = KEY_POWER,
+ .desc = "Power",
+ .active_low = 0,
+ },
+ {
+ .gpio = S3C2410_GPG9,
+ .code = KEY_UP,
+ .desc = "Joystick Up",
+ .active_low = 0,
+ },
+ {
+ .gpio = S3C2410_GPG8,
+ .code = KEY_DOWN,
+ .desc = "Joystick Down",
+ .active_low = 0,
+ },
+ {
+ .gpio = S3C2410_GPG6,
+ .code = KEY_DOWN,
+ .desc = "Joystick Left",
+ .active_low = 0,
+ },
+ {
+ .gpio = S3C2410_GPG5,
+ .code = KEY_DOWN,
+ .desc = "Joystick Right",
+ .active_low = 0,
+ },
+ {
+ .gpio = S3C2410_GPG7,
+ .code = KEY_ENTER,
+ .desc = "Joystick Press",
+ .active_low = 0,
+ },
+ {
+ .gpio = S3C2410_GPF7,
+ .code = KEY_HOMEPAGE,
+ .desc = "Home",
+ .active_low = 0,
+ },
+ {
+ .gpio = S3C2410_GPF6,
+ .code = KEY_CALENDAR,
+ .desc = "Calendar",
+ .active_low = 0,
+ },
+ {
+ .gpio = S3C2410_GPF5,
+ .code = KEY_ADDRESSBOOK,
+ .desc = "Contacts",
+ .active_low = 0,
+ },
+ {
+ .gpio = S3C2410_GPF4,
+ .code = KEY_MAIL,
+ .desc = "Mail",
+ .active_low = 0,
+ },
+ {
+ .gpio = S3C2410_GPF3,
+ .code = SW_RADIO,
+ .desc = "GPS Antenna",
+ .active_low = 0,
+ },
+ {
+ .gpio = S3C2410_GPG2,
+ .code = SW_HEADPHONE_INSERT,
+ .desc = "Headphone",
+ .active_low = 0,
+ },
+};
+
+static struct gpio_keys_platform_data n35_button_data = {
+ .buttons = n35_buttons,
+ .nbuttons = ARRAY_SIZE(n35_buttons),
+};
+
+static struct platform_device n35_button_device = {
+ .name = "gpio-keys",
+ .id = -1,
+ .num_resources = 0,
+ .dev = {
+ .platform_data = &n35_button_data,
+ }
+};
+
+/* This is the bluetooth LED on the device. */
+static struct s3c24xx_led_platdata n30_blue_led_pdata = {
+ .name = "blue_led",
+ .gpio = S3C2410_GPG6,
+ .def_trigger = "",
+};
+
+/* This LED is driven by the battery microcontroller, and is blinking
+ * red, blinking green or solid green when the battery is low,
+ * charging or full respectively. By driving GPD9 low, it's possible
+ * to force the LED to blink red, so call that warning LED. */
+static struct s3c24xx_led_platdata n30_warning_led_pdata = {
+ .name = "warning_led",
+ .flags = S3C24XX_LEDF_ACTLOW,
+ .gpio = S3C2410_GPD9,
+ .def_trigger = "",
+};
+
+static struct platform_device n30_blue_led = {
+ .name = "s3c24xx_led",
+ .id = 1,
+ .dev = {
+ .platform_data = &n30_blue_led_pdata,
+ },
+};
+
+static struct platform_device n30_warning_led = {
+ .name = "s3c24xx_led",
+ .id = 2,
+ .dev = {
+ .platform_data = &n30_warning_led_pdata,
+ },
+};
+
+static struct s3c2410fb_display n30_display __initdata = {
+ .type = S3C2410_LCDCON1_TFT,
+ .width = 240,
+ .height = 320,
+ .pixclock = 170000,
+
+ .xres = 240,
+ .yres = 320,
+ .bpp = 16,
+ .left_margin = 3,
+ .right_margin = 40,
+ .hsync_len = 40,
+ .upper_margin = 2,
+ .lower_margin = 3,
+ .vsync_len = 2,
+
+ .lcdcon5 = S3C2410_LCDCON5_INVVLINE | S3C2410_LCDCON5_INVVFRAME,
+};
+
+static struct s3c2410fb_mach_info n30_fb_info __initdata = {
+ .displays = &n30_display,
+ .num_displays = 1,
+ .default_display = 0,
+ .lpcsel = 0x06,
+};
+
static struct platform_device *n30_devices[] __initdata = {
+ &s3c_device_lcd,
+ &s3c_device_wdt,
+ &s3c_device_i2c,
+ &s3c_device_iis,
&s3c_device_usb,
+ &s3c_device_usbgadget,
+ &n30_button_device,
+ &n30_blue_led,
+ &n30_warning_led,
+};
+
+static struct platform_device *n35_devices[] __initdata = {
&s3c_device_lcd,
&s3c_device_wdt,
&s3c_device_i2c,
&s3c_device_iis,
&s3c_device_usbgadget,
+ &n35_button_device,
};
static struct s3c2410_platform_i2c n30_i2ccfg = {
@@ -90,9 +345,148 @@ static struct s3c2410_platform_i2c n30_i2ccfg = {
.max_freq = 10*1000,
};
+/* Lots of hardcoded stuff, but it sets up the hardware in a useful
+ * state so that we can boot Linux directly from flash. */
+static void __init n30_hwinit(void)
+{
+ /* GPA0-11 special functions -- unknown what they do
+ * GPA12 N30 special function -- unknown what it does
+ * N35/PiN output -- unknown what it does
+ *
+ * A12 is nGCS1 on the N30 and an output on the N35/PiN. I
+ * don't think it does anything useful on the N30, so I ought
+ * to make it an output there too since it always driven to 0
+ * as far as I can tell. */
+ if (machine_is_n30())
+ __raw_writel(0x007fffff, S3C2410_GPACON);
+ if (machine_is_n35())
+ __raw_writel(0x007fefff, S3C2410_GPACON);
+ __raw_writel(0x00000000, S3C2410_GPADAT);
+
+ /* GPB0 TOUT0 backlight level
+ * GPB1 output 1=backlight on
+ * GPB2 output IrDA enable 0=transceiver enabled, 1=disabled
+ * GPB3 output USB D+ pull up 0=disabled, 1=enabled
+ * GPB4 N30 output -- unknown function
+ * N30/PiN GPS control 0=GPS enabled, 1=GPS disabled
+ * GPB5 output -- unknown function
+ * GPB6 input -- unknown function
+ * GPB7 output -- unknown function
+ * GPB8 output -- probably LCD driver enable
+ * GPB9 output -- probably LCD VSYNC driver enable
+ * GPB10 output -- probably LCD HSYNC driver enable
+ */
+ __raw_writel(0x00154556, S3C2410_GPBCON);
+ __raw_writel(0x00000750, S3C2410_GPBDAT);
+ __raw_writel(0x00000073, S3C2410_GPBUP);
+
+ /* GPC0 input RS232 DCD/DSR/RI
+ * GPC1 LCD
+ * GPC2 output RS232 DTR?
+ * GPC3 input RS232 DCD/DSR/RI
+ * GPC4 LCD
+ * GPC5 output 0=NAND write enabled, 1=NAND write protect
+ * GPC6 input -- unknown function
+ * GPC7 input charger status 0=charger connected
+ * this input can be triggered by power on the USB device
+ * port too, but will go back to disconnected soon after.
+ * GPC8 N30/N35 output -- unknown function, always driven to 1
+ * PiN input -- unknown function, always read as 1
+ * Make it an input with a pull up for all models.
+ * GPC9-15 LCD
+ */
+ __raw_writel(0xaaa80618, S3C2410_GPCCON);
+ __raw_writel(0x0000014c, S3C2410_GPCDAT);
+ __raw_writel(0x0000fef2, S3C2410_GPCUP);
+
+ /* GPD0 input -- unknown function
+ * GPD1-D7 LCD
+ * GPD8 N30 output -- unknown function
+ * N35/PiN output 1=GPS LED on
+ * GPD9 output 0=power led blinks red, 1=normal power led function
+ * GPD10 output -- unknown function
+ * GPD11-15 LCD drivers
+ */
+ __raw_writel(0xaa95aaa4, S3C2410_GPDCON);
+ __raw_writel(0x00000601, S3C2410_GPDDAT);
+ __raw_writel(0x0000fbfe, S3C2410_GPDUP);
+
+ /* GPE0-4 I2S audio bus
+ * GPE5-10 SD/MMC bus
+ * E11-13 outputs -- unknown function, probably power management
+ * E14-15 I2C bus connected to the battery controller
+ */
+ __raw_writel(0xa56aaaaa, S3C2410_GPECON);
+ __raw_writel(0x0000efc5, S3C2410_GPEDAT);
+ __raw_writel(0x0000f81f, S3C2410_GPEUP);
+
+ /* GPF0 input 0=power button pressed
+ * GPF1 input SD/MMC switch 0=card present
+ * GPF2 N30 1=reset button pressed (inverted compared to the rest)
+ * N35/PiN 0=reset button pressed
+ * GPF3 N30/PiN input -- unknown function
+ * N35 input GPS antenna position, 0=antenna closed, 1=open
+ * GPF4 input 0=button 4 pressed
+ * GPF5 input 0=button 3 pressed
+ * GPF6 input 0=button 2 pressed
+ * GPF7 input 0=button 1 pressed
+ */
+ __raw_writel(0x0000aaaa, S3C2410_GPFCON);
+ __raw_writel(0x00000000, S3C2410_GPFDAT);
+ __raw_writel(0x000000ff, S3C2410_GPFUP);
+
+ /* GPG0 input RS232 DCD/DSR/RI
+ * GPG1 input 1=USB gadget port has power from a host
+ * GPG2 N30 input -- unknown function
+ * N35/PiN input 0=headphones plugged in, 1=not plugged in
+ * GPG3 N30 output -- unknown function
+ * N35/PiN input with unknown function
+ * GPG4 N30 output 0=MMC enabled, 1=MMC disabled
+ * GPG5 N30 output 0=BlueTooth chip disabled, 1=enabled
+ * N35/PiN input joystick right
+ * GPG6 N30 output 0=blue led on, 1=off
+ * N35/PiN input joystick left
+ * GPG7 input 0=thumbwheel pressed
+ * GPG8 input 0=thumbwheel down
+ * GPG9 input 0=thumbwheel up
+ * GPG10 input SD/MMC write protect switch
+ * GPG11 N30 input -- unknown function
+ * N35 output 0=GPS antenna powered, 1=not powered
+ * PiN output -- unknown function
+ * GPG12-15 touch screen functions
+ *
+ * The pullups differ between the models, so enable all
+ * pullups that are enabled on any of the models.
+ */
+ if (machine_is_n30())
+ __raw_writel(0xff0a956a, S3C2410_GPGCON);
+ if (machine_is_n35())
+ __raw_writel(0xff4aa92a, S3C2410_GPGCON);
+ __raw_writel(0x0000e800, S3C2410_GPGDAT);
+ __raw_writel(0x0000f86f, S3C2410_GPGUP);
+
+ /* GPH0/1/2/3 RS232 serial port
+ * GPH4/5 IrDA serial port
+ * GPH6/7 N30 BlueTooth serial port
+ * N35/PiN GPS receiver
+ * GPH8 input -- unknown function
+ * GPH9 CLKOUT0 HCLK -- unknown use
+ * GPH10 CLKOUT1 FCLK -- unknown use
+ *
+ * The pull ups for H6/H7 are enabled on N30 but not on the
+ * N35/PiN. I suppose is useful for a budget model of the N30
+ * with no bluetooh. It doesn't hurt to have the pull ups
+ * enabled on the N35, so leave them enabled for all models.
+ */
+ __raw_writel(0x0028aaaa, S3C2410_GPHCON);
+ __raw_writel(0x000005ef, S3C2410_GPHDAT);
+ __raw_writel(0x0000063f, S3C2410_GPHUP);
+}
+
static void __init n30_map_io(void)
{
s3c24xx_init_io(n30_iodesc, ARRAY_SIZE(n30_iodesc));
+ n30_hwinit();
s3c24xx_init_clocks(0);
s3c24xx_init_uarts(n30_uartcfgs, ARRAY_SIZE(n30_uartcfgs));
}
@@ -106,7 +500,9 @@ static void __init n30_init_irq(void)
static void __init n30_init(void)
{
+ s3c24xx_fb_set_platdata(&n30_fb_info);
s3c_device_i2c.dev.platform_data = &n30_i2ccfg;
+ s3c24xx_udc_set_platdata(&n30_udc_cfg);
/* Turn off suspend on both USB ports, and switch the
* selectable USB port to USB device mode. */
@@ -115,7 +511,32 @@ static void __init n30_init(void)
S3C2410_MISCCR_USBSUSPND0 |
S3C2410_MISCCR_USBSUSPND1, 0x0);
- platform_add_devices(n30_devices, ARRAY_SIZE(n30_devices));
+ if (machine_is_n30()) {
+ /* Turn off suspend on both USB ports, and switch the
+ * selectable USB port to USB device mode. */
+ s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
+ S3C2410_MISCCR_USBSUSPND0 |
+ S3C2410_MISCCR_USBSUSPND1, 0x0);
+
+ platform_add_devices(n30_devices, ARRAY_SIZE(n30_devices));
+ }
+
+ if (machine_is_n35()) {
+ /* Turn off suspend and switch the selectable USB port
+ * to USB device mode. Turn on suspend for the host
+ * port since it is not connected on the N35.
+ *
+ * Actually, the host port is available at some pads
+ * on the back of the device, so it would actually be
+ * possible to add a USB device inside the N35 if you
+ * are willing to do some hardware modifications. */
+ s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
+ S3C2410_MISCCR_USBSUSPND0 |
+ S3C2410_MISCCR_USBSUSPND1,
+ S3C2410_MISCCR_USBSUSPND1);
+
+ platform_add_devices(n35_devices, ARRAY_SIZE(n35_devices));
+ }
}
MACHINE_START(N30, "Acer-N30")
@@ -131,9 +552,14 @@ MACHINE_START(N30, "Acer-N30")
.map_io = n30_map_io,
MACHINE_END
-/*
- Local variables:
- compile-command: "make ARCH=arm CROSS_COMPILE=/usr/local/arm/3.3.2/bin/arm-linux- -k -C ../../.."
- c-basic-offset: 8
- End:
-*/
+MACHINE_START(N35, "Acer-N35")
+ /* Maintainer: Christer Weinigel <christer@weinigel.se>
+ */
+ .phys_io = S3C2410_PA_UART,
+ .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
+ .boot_params = S3C2410_SDRAM_PA + 0x100,
+ .timer = &s3c24xx_timer,
+ .init_machine = n30_init,
+ .init_irq = n30_init_irq,
+ .map_io = n30_map_io,
+MACHINE_END
diff --git a/arch/arm/mach-s3c2410/mach-vr1000.c b/arch/arm/mach-s3c2410/mach-vr1000.c
index 4c4b5c4207c..9a0965ac5e1 100644
--- a/arch/arm/mach-s3c2410/mach-vr1000.c
+++ b/arch/arm/mach-s3c2410/mach-vr1000.c
@@ -1,6 +1,6 @@
/* linux/arch/arm/mach-s3c2410/mach-vr1000.c
*
- * Copyright (c) 2003-2005 Simtec Electronics
+ * Copyright (c) 2003-2005,2008 Simtec Electronics
* Ben Dooks <ben@simtec.co.uk>
*
* Machine support for Thorcom VR1000 board. Designed for Thorcom by
@@ -19,6 +19,7 @@
#include <linux/timer.h>
#include <linux/init.h>
#include <linux/dm9000.h>
+#include <linux/i2c.h>
#include <linux/serial.h>
#include <linux/tty.h>
@@ -46,7 +47,9 @@
#include <asm/plat-s3c24xx/clock.h>
#include <asm/plat-s3c24xx/devs.h>
#include <asm/plat-s3c24xx/cpu.h>
+
#include "usb-simtec.h"
+#include "nor-simtec.h"
/* macros for virtual address mods for the io space entries */
#define VA_C5(item) ((unsigned long)(item) + BAST_VAM_CS5)
@@ -97,34 +100,6 @@ static struct map_desc vr1000_iodesc[] __initdata = {
.length = SZ_1M,
.type = MT_DEVICE,
},
-
- /* peripheral space... one for each of fast/slow/byte/16bit */
- /* note, ide is only decoded in word space, even though some registers
- * are only 8bit */
-
- /* slow, byte */
- { VA_C2(VR1000_VA_IDEPRI), PA_CS3(VR1000_PA_IDEPRI), SZ_1M, MT_DEVICE },
- { VA_C2(VR1000_VA_IDESEC), PA_CS3(VR1000_PA_IDESEC), SZ_1M, MT_DEVICE },
- { VA_C2(VR1000_VA_IDEPRIAUX), PA_CS3(VR1000_PA_IDEPRIAUX), SZ_1M, MT_DEVICE },
- { VA_C2(VR1000_VA_IDESECAUX), PA_CS3(VR1000_PA_IDESECAUX), SZ_1M, MT_DEVICE },
-
- /* slow, word */
- { VA_C3(VR1000_VA_IDEPRI), PA_CS3(VR1000_PA_IDEPRI), SZ_1M, MT_DEVICE },
- { VA_C3(VR1000_VA_IDESEC), PA_CS3(VR1000_PA_IDESEC), SZ_1M, MT_DEVICE },
- { VA_C3(VR1000_VA_IDEPRIAUX), PA_CS3(VR1000_PA_IDEPRIAUX), SZ_1M, MT_DEVICE },
- { VA_C3(VR1000_VA_IDESECAUX), PA_CS3(VR1000_PA_IDESECAUX), SZ_1M, MT_DEVICE },
-
- /* fast, byte */
- { VA_C4(VR1000_VA_IDEPRI), PA_CS5(VR1000_PA_IDEPRI), SZ_1M, MT_DEVICE },
- { VA_C4(VR1000_VA_IDESEC), PA_CS5(VR1000_PA_IDESEC), SZ_1M, MT_DEVICE },
- { VA_C4(VR1000_VA_IDEPRIAUX), PA_CS5(VR1000_PA_IDEPRIAUX), SZ_1M, MT_DEVICE },
- { VA_C4(VR1000_VA_IDESECAUX), PA_CS5(VR1000_PA_IDESECAUX), SZ_1M, MT_DEVICE },
-
- /* fast, word */
- { VA_C5(VR1000_VA_IDEPRI), PA_CS5(VR1000_PA_IDEPRI), SZ_1M, MT_DEVICE },
- { VA_C5(VR1000_VA_IDESEC), PA_CS5(VR1000_PA_IDESEC), SZ_1M, MT_DEVICE },
- { VA_C5(VR1000_VA_IDEPRIAUX), PA_CS5(VR1000_PA_IDEPRIAUX), SZ_1M, MT_DEVICE },
- { VA_C5(VR1000_VA_IDESECAUX), PA_CS5(VR1000_PA_IDESECAUX), SZ_1M, MT_DEVICE },
};
#define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
@@ -230,23 +205,6 @@ static struct platform_device serial_device = {
},
};
-/* MTD NOR Flash */
-
-static struct resource vr1000_nor_resource[] = {
- [0] = {
- .start = S3C2410_CS1 + 0x4000000,
- .end = S3C2410_CS1 + 0x4000000 + SZ_16M - 1,
- .flags = IORESOURCE_MEM,
- }
-};
-
-static struct platform_device vr1000_nor = {
- .name = "bast-nor",
- .id = -1,
- .num_resources = ARRAY_SIZE(vr1000_nor_resource),
- .resource = vr1000_nor_resource,
-};
-
/* DM9000 ethernet devices */
static struct resource vr1000_dm9k0_resource[] = {
@@ -263,7 +221,7 @@ static struct resource vr1000_dm9k0_resource[] = {
[2] = {
.start = IRQ_VR1000_DM9000A,
.end = IRQ_VR1000_DM9000A,
- .flags = IORESOURCE_IRQ | IRQF_TRIGGER_HIGH,
+ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
}
};
@@ -282,7 +240,7 @@ static struct resource vr1000_dm9k1_resource[] = {
[2] = {
.start = IRQ_VR1000_DM9000N,
.end = IRQ_VR1000_DM9000N,
- .flags = IORESOURCE_IRQ | IRQF_TRIGGER_HIGH,
+ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
}
};
@@ -358,6 +316,18 @@ static struct platform_device vr1000_led3 = {
},
};
+/* I2C devices. */
+
+static struct i2c_board_info vr1000_i2c_devs[] __initdata = {
+ {
+ I2C_BOARD_INFO("tlv320aic23", 0x1a),
+ }, {
+ I2C_BOARD_INFO("tmp101", 0x48),
+ }, {
+ I2C_BOARD_INFO("m41st87", 0x68),
+ },
+};
+
/* devices for this board */
static struct platform_device *vr1000_devices[] __initdata = {
@@ -367,7 +337,6 @@ static struct platform_device *vr1000_devices[] __initdata = {
&s3c_device_i2c,
&s3c_device_adc,
&serial_device,
- &vr1000_nor,
&vr1000_dm9k0,
&vr1000_dm9k1,
&vr1000_led1,
@@ -416,6 +385,11 @@ static void __init vr1000_map_io(void)
static void __init vr1000_init(void)
{
platform_add_devices(vr1000_devices, ARRAY_SIZE(vr1000_devices));
+
+ i2c_register_board_info(0, vr1000_i2c_devs,
+ ARRAY_SIZE(vr1000_i2c_devs));
+
+ nor_simtec_init();
}
MACHINE_START(VR1000, "Thorcom-VR1000")
diff --git a/arch/arm/mach-s3c2410/nor-simtec.c b/arch/arm/mach-s3c2410/nor-simtec.c
new file mode 100644
index 00000000000..f44e21b9c3b
--- /dev/null
+++ b/arch/arm/mach-s3c2410/nor-simtec.c
@@ -0,0 +1,86 @@
+/* linux/arch/arm/mach-s3c2410/nor-simtec.c
+ *
+ * Copyright (c) 2008 Simtec Electronics
+ * http://armlinux.simtec.co.uk/
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * Simtec NOR mapping
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/map.h>
+#include <linux/mtd/physmap.h>
+#include <linux/mtd/partitions.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include <asm/arch/map.h>
+#include <asm/arch/bast-map.h>
+#include <asm/arch/bast-cpld.h>
+
+
+static void simtec_nor_vpp(struct map_info *map, int vpp)
+{
+ unsigned int val;
+ unsigned long flags;
+
+ local_irq_save(flags);
+ val = __raw_readb(BAST_VA_CTRL3);
+
+ printk(KERN_DEBUG "%s(%d)\n", __func__, vpp);
+
+ if (vpp)
+ val |= BAST_CPLD_CTRL3_ROMWEN;
+ else
+ val &= ~BAST_CPLD_CTRL3_ROMWEN;
+
+ __raw_writeb(val, BAST_VA_CTRL3);
+ local_irq_restore(flags);
+}
+
+struct physmap_flash_data simtec_nor_pdata = {
+ .width = 2,
+ .set_vpp = simtec_nor_vpp,
+ .nr_parts = 0,
+};
+
+static struct resource simtec_nor_resource[] = {
+ [0] = {
+ .start = S3C2410_CS1 + 0x4000000,
+ .end = S3C2410_CS1 + 0x4000000 + SZ_8M - 1,
+ .flags = IORESOURCE_MEM,
+ }
+};
+
+static struct platform_device simtec_device_nor = {
+ .name = "physmap-flash",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(simtec_nor_resource),
+ .resource = simtec_nor_resource,
+ .dev = {
+ .platform_data = &simtec_nor_pdata,
+ },
+};
+
+void __init nor_simtec_init(void)
+{
+ int ret;
+
+ ret = platform_device_register(&simtec_device_nor);
+ if (ret < 0)
+ printk(KERN_ERR "failed to register physmap-flash device\n");
+ else
+ simtec_nor_vpp(NULL, 1);
+}
diff --git a/arch/arm/mach-s3c2410/nor-simtec.h b/arch/arm/mach-s3c2410/nor-simtec.h
new file mode 100644
index 00000000000..f619c1e0d0c
--- /dev/null
+++ b/arch/arm/mach-s3c2410/nor-simtec.h
@@ -0,0 +1,14 @@
+/* linux/arch/arm/mach-s3c2410/nor-simtec.h
+ *
+ * Copyright (c) 2008 Simtec Electronics
+ * http://armlinux.simtec.co.uk/
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * Simtec NOR mapping
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+extern void nor_simtec_init(void);
diff --git a/arch/arm/mach-s3c2412/Kconfig b/arch/arm/mach-s3c2412/Kconfig
index 0b43431d4b7..c59a9d2ee9a 100644
--- a/arch/arm/mach-s3c2412/Kconfig
+++ b/arch/arm/mach-s3c2412/Kconfig
@@ -34,6 +34,16 @@ config S3C2412_PM
menu "S3C2412 Machines"
+config MACH_JIVE
+ bool "Logitech Jive"
+ select CPU_S3C2412
+ help
+ Say Y here if you are using the Logitech Jive.
+
+config MACH_JIVE_SHOW_BOOTLOADER
+ bool "Allow access to bootloader partitions in MTD"
+ depends on MACH_JIVE && EXPERIMENTAL
+
config MACH_SMDK2413
bool "SMDK2413"
select CPU_S3C2412
diff --git a/arch/arm/mach-s3c2412/Makefile b/arch/arm/mach-s3c2412/Makefile
index 267f3348301..20918d5dc6a 100644
--- a/arch/arm/mach-s3c2412/Makefile
+++ b/arch/arm/mach-s3c2412/Makefile
@@ -18,5 +18,6 @@ obj-$(CONFIG_S3C2412_PM) += pm.o sleep.o
# Machine support
+obj-$(CONFIG_MACH_JIVE) += mach-jive.o
obj-$(CONFIG_MACH_SMDK2413) += mach-smdk2413.o
obj-$(CONFIG_MACH_VSTMS) += mach-vstms.o
diff --git a/arch/arm/mach-s3c2412/clock.c b/arch/arm/mach-s3c2412/clock.c
index 2697a65ba72..1157b5a1626 100644
--- a/arch/arm/mach-s3c2412/clock.c
+++ b/arch/arm/mach-s3c2412/clock.c
@@ -631,6 +631,17 @@ static struct clk_init clks_src[] __initdata = {
.bit = S3C2412_CLKSRC_USBCLK_HCLK,
.src_0 = &clk_usysclk,
.src_1 = &clk_h,
+ /* here we assume OM[4] select xtal */
+ }, {
+ .clk = &clk_erefclk,
+ .bit = S3C2412_CLKSRC_EREFCLK_EXTCLK,
+ .src_0 = &clk_xtal,
+ .src_1 = &clk_ext,
+ }, {
+ .clk = &clk_urefclk,
+ .bit = S3C2412_CLKSRC_UREFCLK_EXTCLK,
+ .src_0 = &clk_xtal,
+ .src_1 = &clk_ext,
},
};
@@ -666,8 +677,6 @@ static void __init s3c2412_clk_initparents(void)
static struct clk *clks[] __initdata = {
&clk_ext,
&clk_usb_bus,
- &clk_erefclk,
- &clk_urefclk,
&clk_mrefclk,
&clk_armclk,
};
diff --git a/arch/arm/mach-s3c2412/mach-jive.c b/arch/arm/mach-s3c2412/mach-jive.c
new file mode 100644
index 00000000000..7f592471348
--- /dev/null
+++ b/arch/arm/mach-s3c2412/mach-jive.c
@@ -0,0 +1,687 @@
+/* linux/arch/arm/mach-s3c2410/mach-jive.c
+ *
+ * Copyright 2007 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * http://armlinux.simtec.co.uk/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/interrupt.h>
+#include <linux/list.h>
+#include <linux/timer.h>
+#include <linux/init.h>
+#include <linux/sysdev.h>
+#include <linux/delay.h>
+#include <linux/serial_core.h>
+#include <linux/platform_device.h>
+#include <linux/i2c.h>
+
+#include <video/ili9320.h>
+
+#include <linux/spi/spi.h>
+
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include <asm/plat-s3c/regs-serial.h>
+#include <asm/plat-s3c/nand.h>
+#include <asm/plat-s3c/iic.h>
+
+#include <asm/arch/regs-power.h>
+#include <asm/arch/regs-gpio.h>
+#include <asm/arch/regs-mem.h>
+#include <asm/arch/regs-lcd.h>
+#include <asm/arch/spi-gpio.h>
+#include <asm/arch/fb.h>
+
+#include <asm/mach-types.h>
+
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/nand.h>
+#include <linux/mtd/nand_ecc.h>
+#include <linux/mtd/partitions.h>
+
+#include <asm/plat-s3c24xx/clock.h>
+#include <asm/plat-s3c24xx/devs.h>
+#include <asm/plat-s3c24xx/cpu.h>
+#include <asm/plat-s3c24xx/pm.h>
+#include <asm/plat-s3c24xx/udc.h>
+
+static struct map_desc jive_iodesc[] __initdata = {
+};
+
+#define UCON S3C2410_UCON_DEFAULT
+#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE
+#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
+
+static struct s3c2410_uartcfg jive_uartcfgs[] = {
+ [0] = {
+ .hwport = 0,
+ .flags = 0,
+ .ucon = UCON,
+ .ulcon = ULCON,
+ .ufcon = UFCON,
+ },
+ [1] = {
+ .hwport = 1,
+ .flags = 0,
+ .ucon = UCON,
+ .ulcon = ULCON,
+ .ufcon = UFCON,
+ },
+ [2] = {
+ .hwport = 2,
+ .flags = 0,
+ .ucon = UCON,
+ .ulcon = ULCON,
+ .ufcon = UFCON,
+ }
+};
+
+/* Jive flash assignment
+ *
+ * 0x00000000-0x00028000 : uboot
+ * 0x00028000-0x0002c000 : uboot env
+ * 0x0002c000-0x00030000 : spare
+ * 0x00030000-0x00200000 : zimage A
+ * 0x00200000-0x01600000 : cramfs A
+ * 0x01600000-0x017d0000 : zimage B
+ * 0x017d0000-0x02bd0000 : cramfs B
+ * 0x02bd0000-0x03fd0000 : yaffs
+ */
+static struct mtd_partition jive_imageA_nand_part[] = {
+
+#ifdef CONFIG_MACH_JIVE_SHOW_BOOTLOADER
+ /* Don't allow access to the bootloader from linux */
+ {
+ .name = "uboot",
+ .offset = 0,
+ .size = (160 * SZ_1K),
+ .mask_flags = MTD_WRITEABLE, /* force read-only */
+ },
+
+ /* spare */
+ {
+ .name = "spare",
+ .offset = (176 * SZ_1K),
+ .size = (16 * SZ_1K),
+ },
+#endif
+
+ /* booted images */
+ {
+ .name = "kernel (ro)",
+ .offset = (192 * SZ_1K),
+ .size = (SZ_2M) - (192 * SZ_1K),
+ .mask_flags = MTD_WRITEABLE, /* force read-only */
+ }, {
+ .name = "root (ro)",
+ .offset = (SZ_2M),
+ .size = (20 * SZ_1M),
+ .mask_flags = MTD_WRITEABLE, /* force read-only */
+ },
+
+ /* yaffs */
+ {
+ .name = "yaffs",
+ .offset = (44 * SZ_1M),
+ .size = (20 * SZ_1M),
+ },
+
+ /* bootloader environment */
+ {
+ .name = "env",
+ .offset = (160 * SZ_1K),
+ .size = (16 * SZ_1K),
+ },
+
+ /* upgrade images */
+ {
+ .name = "zimage",
+ .offset = (22 * SZ_1M),
+ .size = (2 * SZ_1M) - (192 * SZ_1K),
+ }, {
+ .name = "cramfs",
+ .offset = (24 * SZ_1M) - (192*SZ_1K),
+ .size = (20 * SZ_1M),
+ },
+};
+
+static struct mtd_partition jive_imageB_nand_part[] = {
+
+#ifdef CONFIG_MACH_JIVE_SHOW_BOOTLOADER
+ /* Don't allow access to the bootloader from linux */
+ {
+ .name = "uboot",
+ .offset = 0,
+ .size = (160 * SZ_1K),
+ .mask_flags = MTD_WRITEABLE, /* force read-only */
+ },
+
+ /* spare */
+ {
+ .name = "spare",
+ .offset = (176 * SZ_1K),
+ .size = (16 * SZ_1K),
+ },
+#endif
+
+ /* booted images */
+ {
+ .name = "kernel (ro)",
+ .offset = (22 * SZ_1M),
+ .size = (2 * SZ_1M) - (192 * SZ_1K),
+ .mask_flags = MTD_WRITEABLE, /* force read-only */
+ },
+ {
+ .name = "root (ro)",
+ .offset = (24 * SZ_1M) - (192 * SZ_1K),
+ .size = (20 * SZ_1M),
+ .mask_flags = MTD_WRITEABLE, /* force read-only */
+ },
+
+ /* yaffs */
+ {
+ .name = "yaffs",
+ .offset = (44 * SZ_1M),
+ .size = (20 * SZ_1M),
+ },
+
+ /* bootloader environment */
+ {
+ .name = "env",
+ .offset = (160 * SZ_1K),
+ .size = (16 * SZ_1K),
+ },
+
+ /* upgrade images */
+ {
+ .name = "zimage",
+ .offset = (192 * SZ_1K),
+ .size = (2 * SZ_1M) - (192 * SZ_1K),
+ }, {
+ .name = "cramfs",
+ .offset = (2 * SZ_1M),
+ .size = (20 * SZ_1M),
+ },
+};
+
+static struct s3c2410_nand_set jive_nand_sets[] = {
+ [0] = {
+ .name = "flash",
+ .nr_chips = 1,
+ .nr_partitions = ARRAY_SIZE(jive_imageA_nand_part),
+ .partitions = jive_imageA_nand_part,
+ },
+};
+
+static struct s3c2410_platform_nand jive_nand_info = {
+ /* set taken from osiris nand timings, possibly still conservative */
+ .tacls = 30,
+ .twrph0 = 55,
+ .twrph1 = 40,
+ .sets = jive_nand_sets,
+ .nr_sets = ARRAY_SIZE(jive_nand_sets),
+};
+
+static int __init jive_mtdset(char *options)
+{
+ struct s3c2410_nand_set *nand = &jive_nand_sets[0];
+ unsigned long set;
+
+ if (options == NULL || options[0] == '\0')
+ return 0;
+
+ if (strict_strtoul(options, 10, &set)) {
+ printk(KERN_ERR "failed to parse mtdset=%s\n", options);
+ return 0;
+ }
+
+ switch (set) {
+ case 1:
+ nand->nr_partitions = ARRAY_SIZE(jive_imageB_nand_part);
+ nand->partitions = jive_imageB_nand_part;
+ case 0:
+ /* this is already setup in the nand info */
+ break;
+ default:
+ printk(KERN_ERR "Unknown mtd set %ld specified,"
+ "using default.", set);
+ }
+
+ return 0;
+}
+
+/* parse the mtdset= option given to the kernel command line */
+__setup("mtdset=", jive_mtdset);
+
+/* LCD timing and setup */
+
+#define LCD_XRES (240)
+#define LCD_YRES (320)
+#define LCD_LEFT_MARGIN (12)
+#define LCD_RIGHT_MARGIN (12)
+#define LCD_LOWER_MARGIN (12)
+#define LCD_UPPER_MARGIN (12)
+#define LCD_VSYNC (2)
+#define LCD_HSYNC (2)
+
+#define LCD_REFRESH (60)
+
+#define LCD_HTOT (LCD_HSYNC + LCD_LEFT_MARGIN + LCD_XRES + LCD_RIGHT_MARGIN)
+#define LCD_VTOT (LCD_VSYNC + LCD_LOWER_MARGIN + LCD_YRES + LCD_UPPER_MARGIN)
+
+struct s3c2410fb_display jive_vgg2432a4_display[] = {
+ [0] = {
+ .width = LCD_XRES,
+ .height = LCD_YRES,
+ .xres = LCD_XRES,
+ .yres = LCD_YRES,
+ .left_margin = LCD_LEFT_MARGIN,
+ .right_margin = LCD_RIGHT_MARGIN,
+ .upper_margin = LCD_UPPER_MARGIN,
+ .lower_margin = LCD_LOWER_MARGIN,
+ .hsync_len = LCD_HSYNC,
+ .vsync_len = LCD_VSYNC,
+
+ .pixclock = (1000000000000LL /
+ (LCD_REFRESH * LCD_HTOT * LCD_VTOT)),
+
+ .bpp = 16,
+ .type = (S3C2410_LCDCON1_TFT16BPP |
+ S3C2410_LCDCON1_TFT),
+
+ .lcdcon5 = (S3C2410_LCDCON5_FRM565 |
+ S3C2410_LCDCON5_INVVLINE |
+ S3C2410_LCDCON5_INVVFRAME |
+ S3C2410_LCDCON5_INVVDEN |
+ S3C2410_LCDCON5_PWREN),
+ },
+};
+
+/* todo - put into gpio header */
+
+#define S3C2410_GPCCON_MASK(x) (3 << ((x) * 2))
+#define S3C2410_GPDCON_MASK(x) (3 << ((x) * 2))
+
+struct s3c2410fb_mach_info jive_lcd_config = {
+ .displays = jive_vgg2432a4_display,
+ .num_displays = ARRAY_SIZE(jive_vgg2432a4_display),
+ .default_display = 0,
+
+ /* Enable VD[2..7], VD[10..15], VD[18..23] and VCLK, syncs, VDEN
+ * and disable the pull down resistors on pins we are using for LCD
+ * data. */
+
+ .gpcup = (0xf << 1) | (0x3f << 10),
+
+ .gpccon = (S3C2410_GPC1_VCLK | S3C2410_GPC2_VLINE |
+ S3C2410_GPC3_VFRAME | S3C2410_GPC4_VM |
+ S3C2410_GPC10_VD2 | S3C2410_GPC11_VD3 |
+ S3C2410_GPC12_VD4 | S3C2410_GPC13_VD5 |
+ S3C2410_GPC14_VD6 | S3C2410_GPC15_VD7),
+
+ .gpccon_mask = (S3C2410_GPCCON_MASK(1) | S3C2410_GPCCON_MASK(2) |
+ S3C2410_GPCCON_MASK(3) | S3C2410_GPCCON_MASK(4) |
+ S3C2410_GPCCON_MASK(10) | S3C2410_GPCCON_MASK(11) |
+ S3C2410_GPCCON_MASK(12) | S3C2410_GPCCON_MASK(13) |
+ S3C2410_GPCCON_MASK(14) | S3C2410_GPCCON_MASK(15)),
+
+ .gpdup = (0x3f << 2) | (0x3f << 10),
+
+ .gpdcon = (S3C2410_GPD2_VD10 | S3C2410_GPD3_VD11 |
+ S3C2410_GPD4_VD12 | S3C2410_GPD5_VD13 |
+ S3C2410_GPD6_VD14 | S3C2410_GPD7_VD15 |
+ S3C2410_GPD10_VD18 | S3C2410_GPD11_VD19 |
+ S3C2410_GPD12_VD20 | S3C2410_GPD13_VD21 |
+ S3C2410_GPD14_VD22 | S3C2410_GPD15_VD23),
+
+ .gpdcon_mask = (S3C2410_GPDCON_MASK(2) | S3C2410_GPDCON_MASK(3) |
+ S3C2410_GPDCON_MASK(4) | S3C2410_GPDCON_MASK(5) |
+ S3C2410_GPDCON_MASK(6) | S3C2410_GPDCON_MASK(7) |
+ S3C2410_GPDCON_MASK(10) | S3C2410_GPDCON_MASK(11)|
+ S3C2410_GPDCON_MASK(12) | S3C2410_GPDCON_MASK(13)|
+ S3C2410_GPDCON_MASK(14) | S3C2410_GPDCON_MASK(15)),
+};
+
+/* ILI9320 support. */
+
+static void jive_lcm_reset(unsigned int set)
+{
+ printk(KERN_DEBUG "%s(%d)\n", __func__, set);
+
+ s3c2410_gpio_setpin(S3C2410_GPG13, set);
+ s3c2410_gpio_cfgpin(S3C2410_GPG13, S3C2410_GPIO_OUTPUT);
+}
+
+#undef LCD_UPPER_MARGIN
+#define LCD_UPPER_MARGIN 2
+
+static struct ili9320_platdata jive_lcm_config = {
+ .hsize = LCD_XRES,
+ .vsize = LCD_YRES,
+
+ .reset = jive_lcm_reset,
+ .suspend = ILI9320_SUSPEND_DEEP,
+
+ .entry_mode = ILI9320_ENTRYMODE_ID(3) | ILI9320_ENTRYMODE_BGR,
+ .display2 = (ILI9320_DISPLAY2_FP(LCD_UPPER_MARGIN) |
+ ILI9320_DISPLAY2_BP(LCD_LOWER_MARGIN)),
+ .display3 = 0x0,
+ .display4 = 0x0,
+ .rgb_if1 = (ILI9320_RGBIF1_RIM_RGB18 |
+ ILI9320_RGBIF1_RM | ILI9320_RGBIF1_CLK_RGBIF),
+ .rgb_if2 = ILI9320_RGBIF2_DPL,
+ .interface2 = 0x0,
+ .interface3 = 0x3,
+ .interface4 = (ILI9320_INTERFACE4_RTNE(16) |
+ ILI9320_INTERFACE4_DIVE(1)),
+ .interface5 = 0x0,
+ .interface6 = 0x0,
+};
+
+/* LCD SPI support */
+
+static void jive_lcd_spi_chipselect(struct s3c2410_spigpio_info *spi, int cs)
+{
+ s3c2410_gpio_setpin(S3C2410_GPB7, cs ? 0 : 1);
+}
+
+static struct s3c2410_spigpio_info jive_lcd_spi = {
+ .bus_num = 0,
+ .pin_clk = S3C2410_GPG8,
+ .pin_mosi = S3C2410_GPB8,
+ .chip_select = jive_lcd_spi_chipselect,
+};
+
+static struct platform_device jive_device_lcdspi = {
+ .name = "s3c24xx-spi-gpio",
+ .id = 1,
+ .num_resources = 0,
+ .dev.platform_data = &jive_lcd_spi,
+};
+
+/* WM8750 audio code SPI definition */
+
+static void jive_wm8750_chipselect(struct s3c2410_spigpio_info *spi, int cs)
+{
+ s3c2410_gpio_setpin(S3C2410_GPH10, cs ? 0 : 1);
+}
+
+static struct s3c2410_spigpio_info jive_wm8750_spi = {
+ .bus_num = 2,
+ .pin_clk = S3C2410_GPB4,
+ .pin_mosi = S3C2410_GPB9,
+ .chip_select = jive_wm8750_chipselect,
+};
+
+static struct platform_device jive_device_wm8750 = {
+ .name = "s3c24xx-spi-gpio",
+ .id = 2,
+ .num_resources = 0,
+ .dev.platform_data = &jive_wm8750_spi,
+};
+
+/* JIVE SPI devices. */
+
+static struct spi_board_info __initdata jive_spi_devs[] = {
+ [0] = {
+ .modalias = "VGG2432A4",
+ .bus_num = 1,
+ .chip_select = 0,
+ .mode = SPI_MODE_3, /* CPOL=1, CPHA=1 */
+ .max_speed_hz = 100000,
+ .platform_data = &jive_lcm_config,
+ }, {
+ .modalias = "WM8750",
+ .bus_num = 2,
+ .chip_select = 0,
+ .mode = SPI_MODE_0, /* CPOL=0, CPHA=0 */
+ .max_speed_hz = 100000,
+ },
+};
+
+/* I2C bus and device configuration. */
+
+static struct s3c2410_platform_i2c jive_i2c_cfg = {
+ .max_freq = 80 * 1000,
+ .bus_freq = 50 * 1000,
+ .flags = S3C_IICFLG_FILTER,
+ .sda_delay = 2,
+};
+
+static struct i2c_board_info jive_i2c_devs[] = {
+ [0] = {
+ I2C_BOARD_INFO("lis302dl", 0x1c),
+ .irq = IRQ_EINT14,
+ },
+};
+
+/* The platform devices being used. */
+
+static struct platform_device *jive_devices[] __initdata = {
+ &s3c_device_usb,
+ &s3c_device_rtc,
+ &s3c_device_wdt,
+ &s3c_device_i2c,
+ &s3c_device_lcd,
+ &jive_device_lcdspi,
+ &jive_device_wm8750,
+ &s3c_device_nand,
+ &s3c_device_usbgadget,
+};
+
+static struct s3c2410_udc_mach_info jive_udc_cfg __initdata = {
+ .vbus_pin = S3C2410_GPG1, /* detect is on GPG1 */
+};
+
+/* Jive power management device */
+
+#ifdef CONFIG_PM
+static int jive_pm_suspend(struct sys_device *sd, pm_message_t state)
+{
+ /* Write the magic value u-boot uses to check for resume into
+ * the INFORM0 register, and ensure INFORM1 is set to the
+ * correct address to resume from. */
+
+ __raw_writel(0x2BED, S3C2412_INFORM0);
+ __raw_writel(virt_to_phys(s3c2410_cpu_resume), S3C2412_INFORM1);
+
+ return 0;
+}
+
+static int jive_pm_resume(struct sys_device *sd)
+{
+ __raw_writel(0x0, S3C2412_INFORM0);
+ return 0;
+}
+
+#else
+#define jive_pm_suspend NULL
+#define jive_pm_resume NULL
+#endif
+
+static struct sysdev_class jive_pm_sysclass = {
+ .name = "jive-pm",
+ .suspend = jive_pm_suspend,
+ .resume = jive_pm_resume,
+};
+
+static struct sys_device jive_pm_sysdev = {
+ .cls = &jive_pm_sysclass,
+};
+
+static void __init jive_map_io(void)
+{
+ s3c24xx_init_io(jive_iodesc, ARRAY_SIZE(jive_iodesc));
+ s3c24xx_init_clocks(12000000);
+ s3c24xx_init_uarts(jive_uartcfgs, ARRAY_SIZE(jive_uartcfgs));
+}
+
+static void jive_power_off(void)
+{
+ printk(KERN_INFO "powering system down...\n");
+
+ s3c2410_gpio_setpin(S3C2410_GPC5, 1);
+ s3c2410_gpio_cfgpin(S3C2410_GPC5, S3C2410_GPIO_OUTPUT);
+}
+
+static void __init jive_machine_init(void)
+{
+ /* register system devices for managing low level suspend */
+
+ sysdev_class_register(&jive_pm_sysclass);
+ sysdev_register(&jive_pm_sysdev);
+
+ /* write our sleep configurations for the IO. Pull down all unused
+ * IO, ensure that we have turned off all peripherals we do not
+ * need, and configure the ones we do need. */
+
+ /* Port B sleep */
+
+ __raw_writel(S3C2412_SLPCON_IN(0) |
+ S3C2412_SLPCON_PULL(1) |
+ S3C2412_SLPCON_HIGH(2) |
+ S3C2412_SLPCON_PULL(3) |
+ S3C2412_SLPCON_PULL(4) |
+ S3C2412_SLPCON_PULL(5) |
+ S3C2412_SLPCON_PULL(6) |
+ S3C2412_SLPCON_HIGH(7) |
+ S3C2412_SLPCON_PULL(8) |
+ S3C2412_SLPCON_PULL(9) |
+ S3C2412_SLPCON_PULL(10), S3C2412_GPBSLPCON);
+
+ /* Port C sleep */
+
+ __raw_writel(S3C2412_SLPCON_PULL(0) |
+ S3C2412_SLPCON_PULL(1) |
+ S3C2412_SLPCON_PULL(2) |
+ S3C2412_SLPCON_PULL(3) |
+ S3C2412_SLPCON_PULL(4) |
+ S3C2412_SLPCON_PULL(5) |
+ S3C2412_SLPCON_LOW(6) |
+ S3C2412_SLPCON_PULL(6) |
+ S3C2412_SLPCON_PULL(7) |
+ S3C2412_SLPCON_PULL(8) |
+ S3C2412_SLPCON_PULL(9) |
+ S3C2412_SLPCON_PULL(10) |
+ S3C2412_SLPCON_PULL(11) |
+ S3C2412_SLPCON_PULL(12) |
+ S3C2412_SLPCON_PULL(13) |
+ S3C2412_SLPCON_PULL(14) |
+ S3C2412_SLPCON_PULL(15), S3C2412_GPCSLPCON);
+
+ /* Port D sleep */
+
+ __raw_writel(S3C2412_SLPCON_ALL_PULL, S3C2412_GPDSLPCON);
+
+ /* Port F sleep */
+
+ __raw_writel(S3C2412_SLPCON_LOW(0) |
+ S3C2412_SLPCON_LOW(1) |
+ S3C2412_SLPCON_LOW(2) |
+ S3C2412_SLPCON_EINT(3) |
+ S3C2412_SLPCON_EINT(4) |
+ S3C2412_SLPCON_EINT(5) |
+ S3C2412_SLPCON_EINT(6) |
+ S3C2412_SLPCON_EINT(7), S3C2412_GPFSLPCON);
+
+ /* Port G sleep */
+
+ __raw_writel(S3C2412_SLPCON_IN(0) |
+ S3C2412_SLPCON_IN(1) |
+ S3C2412_SLPCON_IN(2) |
+ S3C2412_SLPCON_IN(3) |
+ S3C2412_SLPCON_IN(4) |
+ S3C2412_SLPCON_IN(5) |
+ S3C2412_SLPCON_IN(6) |
+ S3C2412_SLPCON_IN(7) |
+ S3C2412_SLPCON_PULL(8) |
+ S3C2412_SLPCON_PULL(9) |
+ S3C2412_SLPCON_IN(10) |
+ S3C2412_SLPCON_PULL(11) |
+ S3C2412_SLPCON_PULL(12) |
+ S3C2412_SLPCON_PULL(13) |
+ S3C2412_SLPCON_IN(14) |
+ S3C2412_SLPCON_PULL(15), S3C2412_GPGSLPCON);
+
+ /* Port H sleep */
+
+ __raw_writel(S3C2412_SLPCON_PULL(0) |
+ S3C2412_SLPCON_PULL(1) |
+ S3C2412_SLPCON_PULL(2) |
+ S3C2412_SLPCON_PULL(3) |
+ S3C2412_SLPCON_PULL(4) |
+ S3C2412_SLPCON_PULL(5) |
+ S3C2412_SLPCON_PULL(6) |
+ S3C2412_SLPCON_IN(7) |
+ S3C2412_SLPCON_IN(8) |
+ S3C2412_SLPCON_PULL(9) |
+ S3C2412_SLPCON_IN(10), S3C2412_GPHSLPCON);
+
+ /* initialise the power management now we've setup everything. */
+
+ s3c2410_pm_init();
+
+ s3c_device_nand.dev.platform_data = &jive_nand_info;
+
+ /* initialise the spi */
+
+ s3c2410_gpio_setpin(S3C2410_GPG13, 0);
+ s3c2410_gpio_cfgpin(S3C2410_GPG13, S3C2410_GPIO_OUTPUT);
+
+ s3c2410_gpio_setpin(S3C2410_GPB7, 1);
+ s3c2410_gpio_cfgpin(S3C2410_GPB7, S3C2410_GPIO_OUTPUT);
+
+ s3c2410_gpio_setpin(S3C2410_GPB6, 0);
+ s3c2410_gpio_cfgpin(S3C2410_GPB6, S3C2410_GPIO_OUTPUT);
+
+ s3c2410_gpio_setpin(S3C2410_GPG8, 1);
+ s3c2410_gpio_cfgpin(S3C2410_GPG8, S3C2410_GPIO_OUTPUT);
+
+ /* initialise the WM8750 spi */
+
+ s3c2410_gpio_setpin(S3C2410_GPH10, 1);
+ s3c2410_gpio_cfgpin(S3C2410_GPH10, S3C2410_GPIO_OUTPUT);
+
+ /* Turn off suspend on both USB ports, and switch the
+ * selectable USB port to USB device mode. */
+
+ s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
+ S3C2410_MISCCR_USBSUSPND0 |
+ S3C2410_MISCCR_USBSUSPND1, 0x0);
+
+ s3c24xx_udc_set_platdata(&jive_udc_cfg);
+ s3c24xx_fb_set_platdata(&jive_lcd_config);
+
+ spi_register_board_info(jive_spi_devs, ARRAY_SIZE(jive_spi_devs));
+
+ s3c_device_i2c.dev.platform_data = &jive_i2c_cfg;
+ i2c_register_board_info(0, jive_i2c_devs, ARRAY_SIZE(jive_i2c_devs));
+
+ pm_power_off = jive_power_off;
+
+ platform_add_devices(jive_devices, ARRAY_SIZE(jive_devices));
+}
+
+MACHINE_START(JIVE, "JIVE")
+ /* Maintainer: Ben Dooks <ben@fluff.org> */
+ .phys_io = S3C2410_PA_UART,
+ .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
+ .boot_params = S3C2410_SDRAM_PA + 0x100,
+
+ .init_irq = s3c24xx_init_irq,
+ .map_io = jive_map_io,
+ .init_machine = jive_machine_init,
+ .timer = &s3c24xx_timer,
+MACHINE_END
diff --git a/arch/arm/mach-s3c2440/Kconfig b/arch/arm/mach-s3c2440/Kconfig
index f1915bd61d1..25de042ab99 100644
--- a/arch/arm/mach-s3c2440/Kconfig
+++ b/arch/arm/mach-s3c2440/Kconfig
@@ -29,6 +29,7 @@ config MACH_ANUBIS
bool "Simtec Electronics ANUBIS"
select CPU_S3C2440
select PM_SIMTEC if PM
+ select HAVE_PATA_PLATFORM
help
Say Y here if you are using the Simtec Electronics ANUBIS
development system
@@ -67,6 +68,11 @@ config SMDK2440_CPU2440
default y if ARCH_S3C2440
select CPU_S3C2440
+config MACH_AT2440EVB
+ bool "Avantech AT2440EVB development board"
+ select CPU_S3C2440
+ help
+ Say Y here if you are using the AT2440EVB development board
endmenu
diff --git a/arch/arm/mach-s3c2440/Makefile b/arch/arm/mach-s3c2440/Makefile
index c81ed6248dc..0b4440e79b9 100644
--- a/arch/arm/mach-s3c2440/Makefile
+++ b/arch/arm/mach-s3c2440/Makefile
@@ -21,3 +21,4 @@ obj-$(CONFIG_MACH_OSIRIS) += mach-osiris.o
obj-$(CONFIG_MACH_RX3715) += mach-rx3715.o
obj-$(CONFIG_ARCH_S3C2440) += mach-smdk2440.o
obj-$(CONFIG_MACH_NEXCODER_2440) += mach-nexcoder.o
+obj-$(CONFIG_MACH_AT2440EVB) += mach-at2440evb.o
diff --git a/arch/arm/mach-s3c2440/mach-anubis.c b/arch/arm/mach-s3c2440/mach-anubis.c
index 47258915a2f..09af8b23500 100644
--- a/arch/arm/mach-s3c2440/mach-anubis.c
+++ b/arch/arm/mach-s3c2440/mach-anubis.c
@@ -1,6 +1,6 @@
/* linux/arch/arm/mach-s3c2440/mach-anubis.c
*
- * Copyright (c) 2003-2005 Simtec Electronics
+ * Copyright (c) 2003-2005,2008 Simtec Electronics
* http://armlinux.simtec.co.uk/
* Ben Dooks <ben@simtec.co.uk>
*
@@ -17,6 +17,8 @@
#include <linux/init.h>
#include <linux/serial_core.h>
#include <linux/platform_device.h>
+#include <linux/ata_platform.h>
+#include <linux/i2c.h>
#include <linux/sm501.h>
#include <linux/sm501-regs.h>
@@ -241,14 +243,18 @@ static struct s3c2410_platform_nand anubis_nand_info = {
/* IDE channels */
+struct pata_platform_info anubis_ide_platdata = {
+ .ioport_shift = 5,
+};
+
static struct resource anubis_ide0_resource[] = {
{
.start = S3C2410_CS3,
.end = S3C2410_CS3 + (8*32) - 1,
.flags = IORESOURCE_MEM,
}, {
- .start = S3C2410_CS3 + (1<<26),
- .end = S3C2410_CS3 + (1<<26) + (8*32) - 1,
+ .start = S3C2410_CS3 + (1<<26) + (6*32),
+ .end = S3C2410_CS3 + (1<<26) + (7*32) - 1,
.flags = IORESOURCE_MEM,
}, {
.start = IRQ_IDE0,
@@ -258,10 +264,14 @@ static struct resource anubis_ide0_resource[] = {
};
static struct platform_device anubis_device_ide0 = {
- .name = "simtec-ide",
+ .name = "pata_platform",
.id = 0,
.num_resources = ARRAY_SIZE(anubis_ide0_resource),
.resource = anubis_ide0_resource,
+ .dev = {
+ .platform_data = &anubis_ide_platdata,
+ .coherent_dma_mask = ~0,
+ },
};
static struct resource anubis_ide1_resource[] = {
@@ -270,8 +280,8 @@ static struct resource anubis_ide1_resource[] = {
.end = S3C2410_CS4 + (8*32) - 1,
.flags = IORESOURCE_MEM,
}, {
- .start = S3C2410_CS4 + (1<<26),
- .end = S3C2410_CS4 + (1<<26) + (8*32) - 1,
+ .start = S3C2410_CS4 + (1<<26) + (6*32),
+ .end = S3C2410_CS4 + (1<<26) + (7*32) - 1,
.flags = IORESOURCE_MEM,
}, {
.start = IRQ_IDE0,
@@ -280,12 +290,15 @@ static struct resource anubis_ide1_resource[] = {
},
};
-
static struct platform_device anubis_device_ide1 = {
- .name = "simtec-ide",
+ .name = "pata_platform",
.id = 1,
.num_resources = ARRAY_SIZE(anubis_ide1_resource),
.resource = anubis_ide1_resource,
+ .dev = {
+ .platform_data = &anubis_ide_platdata,
+ .coherent_dma_mask = ~0,
+ },
};
/* Asix AX88796 10/100 ethernet controller */
@@ -409,6 +422,15 @@ static struct clk *anubis_clocks[] = {
&s3c24xx_uclk,
};
+/* I2C devices. */
+
+static struct i2c_board_info anubis_i2c_devs[] __initdata = {
+ {
+ I2C_BOARD_INFO("tps65011", 0x48),
+ .irq = IRQ_EINT20,
+ }
+};
+
static void __init anubis_map_io(void)
{
/* initialise the clocks */
@@ -448,6 +470,9 @@ static void __init anubis_map_io(void)
static void __init anubis_init(void)
{
platform_add_devices(anubis_devices, ARRAY_SIZE(anubis_devices));
+
+ i2c_register_board_info(0, anubis_i2c_devs,
+ ARRAY_SIZE(anubis_i2c_devs));
}
diff --git a/arch/arm/mach-s3c2440/mach-at2440evb.c b/arch/arm/mach-s3c2440/mach-at2440evb.c
new file mode 100644
index 00000000000..f5e3c7f2763
--- /dev/null
+++ b/arch/arm/mach-s3c2440/mach-at2440evb.c
@@ -0,0 +1,198 @@
+/* linux/arch/arm/mach-s3c2440/mach-at2440evb.c
+ *
+ * Copyright (c) 2008 Ramax Lo <ramaxlo@gmail.com>
+ * Based on mach-anubis.c by Ben Dooks <ben@simtec.co.uk>
+ * and modifications by SBZ <sbz@spgui.org> and
+ * Weibing <http://weibing.blogbus.com>
+ *
+ * For product information, visit http://www.arm9e.com/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/interrupt.h>
+#include <linux/list.h>
+#include <linux/timer.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/serial_core.h>
+#include <linux/dm9000.h>
+#include <linux/platform_device.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include <asm/hardware.h>
+#include <asm/irq.h>
+#include <asm/mach-types.h>
+
+#include <asm/plat-s3c/regs-serial.h>
+#include <asm/arch/regs-gpio.h>
+#include <asm/arch/regs-mem.h>
+#include <asm/arch/regs-lcd.h>
+#include <asm/plat-s3c/nand.h>
+
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/nand.h>
+#include <linux/mtd/nand_ecc.h>
+#include <linux/mtd/partitions.h>
+
+#include <asm/plat-s3c24xx/clock.h>
+#include <asm/plat-s3c24xx/devs.h>
+#include <asm/plat-s3c24xx/cpu.h>
+
+static struct map_desc at2440evb_iodesc[] __initdata = {
+ /* Nothing here */
+};
+
+#define UCON S3C2410_UCON_DEFAULT
+#define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE)
+#define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE)
+
+static struct s3c24xx_uart_clksrc at2440evb_serial_clocks[] = {
+ [0] = {
+ .name = "uclk",
+ .divisor = 1,
+ .min_baud = 0,
+ .max_baud = 0,
+ },
+ [1] = {
+ .name = "pclk",
+ .divisor = 1,
+ .min_baud = 0,
+ .max_baud = 0,
+ }
+};
+
+
+static struct s3c2410_uartcfg at2440evb_uartcfgs[] __initdata = {
+ [0] = {
+ .hwport = 0,
+ .flags = 0,
+ .ucon = UCON,
+ .ulcon = ULCON,
+ .ufcon = UFCON,
+ .clocks = at2440evb_serial_clocks,
+ .clocks_size = ARRAY_SIZE(at2440evb_serial_clocks),
+ },
+ [1] = {
+ .hwport = 1,
+ .flags = 0,
+ .ucon = UCON,
+ .ulcon = ULCON,
+ .ufcon = UFCON,
+ .clocks = at2440evb_serial_clocks,
+ .clocks_size = ARRAY_SIZE(at2440evb_serial_clocks),
+ },
+};
+
+/* NAND Flash on AT2440EVB board */
+
+static struct mtd_partition at2440evb_default_nand_part[] = {
+ [0] = {
+ .name = "Boot Agent",
+ .size = SZ_256K,
+ .offset = 0,
+ },
+ [1] = {
+ .name = "Kernel",
+ .size = SZ_2M,
+ .offset = SZ_256K,
+ },
+ [2] = {
+ .name = "Root",
+ .offset = SZ_256K + SZ_2M,
+ .size = MTDPART_SIZ_FULL,
+ },
+};
+
+static struct s3c2410_nand_set at2440evb_nand_sets[] = {
+ [0] = {
+ .name = "nand",
+ .nr_chips = 1,
+ .nr_partitions = ARRAY_SIZE(at2440evb_default_nand_part),
+ .partitions = at2440evb_default_nand_part,
+ },
+};
+
+static struct s3c2410_platform_nand at2440evb_nand_info = {
+ .tacls = 25,
+ .twrph0 = 55,
+ .twrph1 = 40,
+ .nr_sets = ARRAY_SIZE(at2440evb_nand_sets),
+ .sets = at2440evb_nand_sets,
+};
+
+/* DM9000AEP 10/100 ethernet controller */
+
+static struct resource at2440evb_dm9k_resource[] = {
+ [0] = {
+ .start = S3C2410_CS3,
+ .end = S3C2410_CS3 + 3,
+ .flags = IORESOURCE_MEM
+ },
+ [1] = {
+ .start = S3C2410_CS3 + 4,
+ .end = S3C2410_CS3 + 7,
+ .flags = IORESOURCE_MEM
+ },
+ [2] = {
+ .start = IRQ_EINT7,
+ .end = IRQ_EINT7,
+ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
+ }
+};
+
+static struct dm9000_plat_data at2440evb_dm9k_pdata = {
+ .flags = (DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM),
+};
+
+static struct platform_device at2440evb_device_eth = {
+ .name = "dm9000",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(at2440evb_dm9k_resource),
+ .resource = at2440evb_dm9k_resource,
+ .dev = {
+ .platform_data = &at2440evb_dm9k_pdata,
+ },
+};
+
+static struct platform_device *at2440evb_devices[] __initdata = {
+ &s3c_device_usb,
+ &s3c_device_wdt,
+ &s3c_device_adc,
+ &s3c_device_i2c,
+ &s3c_device_rtc,
+ &s3c_device_nand,
+ &at2440evb_device_eth,
+};
+
+static void __init at2440evb_map_io(void)
+{
+ s3c_device_nand.dev.platform_data = &at2440evb_nand_info;
+
+ s3c24xx_init_io(at2440evb_iodesc, ARRAY_SIZE(at2440evb_iodesc));
+ s3c24xx_init_clocks(16934400);
+ s3c24xx_init_uarts(at2440evb_uartcfgs, ARRAY_SIZE(at2440evb_uartcfgs));
+}
+
+static void __init at2440evb_init(void)
+{
+ platform_add_devices(at2440evb_devices, ARRAY_SIZE(at2440evb_devices));
+}
+
+
+MACHINE_START(AT2440EVB, "AT2440EVB")
+ .phys_io = S3C2410_PA_UART,
+ .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
+ .boot_params = S3C2410_SDRAM_PA + 0x100,
+ .map_io = at2440evb_map_io,
+ .init_machine = at2440evb_init,
+ .init_irq = s3c24xx_init_irq,
+ .timer = &s3c24xx_timer,
+MACHINE_END
diff --git a/arch/arm/mach-s3c2440/mach-osiris.c b/arch/arm/mach-s3c2440/mach-osiris.c
index 8a8acdbd072..af996b0e91e 100644
--- a/arch/arm/mach-s3c2440/mach-osiris.c
+++ b/arch/arm/mach-s3c2440/mach-osiris.c
@@ -1,6 +1,6 @@
/* linux/arch/arm/mach-s3c2440/mach-osiris.c
*
- * Copyright (c) 2005 Simtec Electronics
+ * Copyright (c) 2005,2008 Simtec Electronics
* http://armlinux.simtec.co.uk/
* Ben Dooks <ben@simtec.co.uk>
*
@@ -19,6 +19,7 @@
#include <linux/sysdev.h>
#include <linux/serial_core.h>
#include <linux/clk.h>
+#include <linux/i2c.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
@@ -322,6 +323,15 @@ static struct sys_device osiris_pm_sysdev = {
.cls = &osiris_pm_sysclass,
};
+/* I2C devices fitted. */
+
+static struct i2c_board_info osiris_i2c_devs[] __initdata = {
+ {
+ I2C_BOARD_INFO("tps65011", 0x48),
+ .irq = IRQ_EINT20,
+ },
+};
+
/* Standard Osiris devices */
static struct platform_device *osiris_devices[] __initdata = {
@@ -388,6 +398,9 @@ static void __init osiris_init(void)
sysdev_class_register(&osiris_pm_sysclass);
sysdev_register(&osiris_pm_sysdev);
+ i2c_register_board_info(0, osiris_i2c_devs,
+ ARRAY_SIZE(osiris_i2c_devs));
+
platform_add_devices(osiris_devices, ARRAY_SIZE(osiris_devices));
};
diff --git a/arch/arm/mach-s3c2443/clock.c b/arch/arm/mach-s3c2443/clock.c
index b42f956738d..17f064fabda 100644
--- a/arch/arm/mach-s3c2443/clock.c
+++ b/arch/arm/mach-s3c2443/clock.c
@@ -81,7 +81,7 @@ static int s3c2443_clkcon_enable_p(struct clk *clk, int enable)
else
clkcon &= ~clocks;
- __raw_writel(clkcon, S3C2443_HCLKCON);
+ __raw_writel(clkcon, S3C2443_PCLKCON);
return 0;
}
@@ -221,7 +221,6 @@ static struct clk clk_mdivclk = {
.get_rate = s3c2443_getrate_mdivclk,
};
-
static int s3c2443_setparent_msysclk(struct clk *clk, struct clk *parent)
{
unsigned long clksrc = __raw_readl(S3C2443_CLKSRC);
@@ -249,6 +248,46 @@ static struct clk clk_msysclk = {
.set_parent = s3c2443_setparent_msysclk,
};
+/* armdiv
+ *
+ * this clock is sourced from msysclk and can have a number of
+ * divider values applied to it to then be fed into armclk.
+*/
+
+static struct clk clk_armdiv = {
+ .name = "armdiv",
+ .id = -1,
+ .parent = &clk_msysclk,
+};
+
+/* armclk
+ *
+ * this is the clock fed into the ARM core itself, either from
+ * armdiv or from hclk.
+ */
+
+static int s3c2443_setparent_armclk(struct clk *clk, struct clk *parent)
+{
+ unsigned long clkdiv0;
+
+ clkdiv0 = __raw_readl(S3C2443_CLKDIV0);
+
+ if (parent == &clk_armdiv)
+ clkdiv0 &= ~S3C2443_CLKDIV0_DVS;
+ else if (parent == &clk_h)
+ clkdiv0 |= S3C2443_CLKDIV0_DVS;
+ else
+ return -EINVAL;
+
+ __raw_writel(clkdiv0, S3C2443_CLKDIV0);
+ return 0;
+}
+
+static struct clk clk_arm = {
+ .name = "armclk",
+ .id = -1,
+ .set_parent = s3c2443_setparent_armclk,
+};
/* esysclk
*
@@ -639,6 +678,29 @@ static struct clk clk_display = {
.round_rate = s3c2443_roundrate_clksrc256,
};
+/* prediv
+ *
+ * this divides the msysclk down to pass to h/p/etc.
+ */
+
+static unsigned long s3c2443_prediv_getrate(struct clk *clk)
+{
+ unsigned long rate = clk_get_rate(clk->parent);
+ unsigned long clkdiv0 = __raw_readl(S3C2443_CLKDIV0);
+
+ clkdiv0 &= S3C2443_CLKDIV0_PREDIV_MASK;
+ clkdiv0 >>= S3C2443_CLKDIV0_PREDIV_SHIFT;
+
+ return rate / (clkdiv0 + 1);
+}
+
+static struct clk clk_prediv = {
+ .name = "prediv",
+ .id = -1,
+ .parent = &clk_msysclk,
+ .get_rate = s3c2443_prediv_getrate,
+};
+
/* standard clock definitions */
static struct clk init_clocks_disable[] = {
@@ -887,6 +949,15 @@ static void __init s3c2443_clk_initparents(void)
}
clk_init_set_parent(&clk_msysclk, parent);
+
+ /* arm */
+
+ if (__raw_readl(S3C2443_CLKDIV0) & S3C2443_CLKDIV0_DVS)
+ parent = &clk_h;
+ else
+ parent = &clk_armdiv;
+
+ clk_init_set_parent(&clk_arm, parent);
}
/* armdiv divisor table */
@@ -909,10 +980,9 @@ static inline unsigned int s3c2443_fclk_div(unsigned long clkcon0)
return armdiv[clkcon0 >> S3C2443_CLKDIV0_ARMDIV_SHIFT];
}
-static inline unsigned long s3c2443_get_prediv(unsigned long clkcon0)
+static inline unsigned long s3c2443_get_hdiv(unsigned long clkcon0)
{
- clkcon0 &= S3C2443_CLKDIV0_PREDIV_MASK;
- clkcon0 >>= S3C2443_CLKDIV0_PREDIV_SHIFT;
+ clkcon0 &= S3C2443_CLKDIV0_HCLKDIV_MASK;
return clkcon0 + 1;
}
@@ -936,6 +1006,9 @@ static struct clk *clks[] __initdata = {
&clk_hsspi,
&clk_hsmmc_div,
&clk_hsmmc,
+ &clk_armdiv,
+ &clk_arm,
+ &clk_prediv,
};
void __init s3c2443_init_clocks(int xtal)
@@ -951,10 +1024,16 @@ void __init s3c2443_init_clocks(int xtal)
int ret;
int ptr;
+ /* s3c2443 parents h and p clocks from prediv */
+ clk_h.parent = &clk_prediv;
+ clk_p.parent = &clk_prediv;
+
pll = s3c2443_get_mpll(mpllcon, xtal);
+ clk_msysclk.rate = pll;
fclk = pll / s3c2443_fclk_div(clkdiv0);
- hclk = fclk / s3c2443_get_prediv(clkdiv0);
+ hclk = s3c2443_prediv_getrate(&clk_prediv);
+ hclk = hclk / s3c2443_get_hdiv(clkdiv0);
hclk = hclk / ((clkdiv0 & S3C2443_CLKDIV0_HALF_HCLK) ? 2 : 1);
pclk = hclk / ((clkdiv0 & S3C2443_CLKDIV0_HALF_PCLK) ? 2 : 1);
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index 33ed048502a..3a6c8ec34cd 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -180,8 +180,21 @@ config CPU_ARM925T
# ARM926T
config CPU_ARM926T
bool "Support ARM926T processor"
- depends on ARCH_INTEGRATOR || ARCH_VERSATILE_PB || MACH_VERSATILE_AB || ARCH_OMAP730 || ARCH_OMAP16XX || MACH_REALVIEW_EB || ARCH_PNX4008 || ARCH_NETX || CPU_S3C2412 || ARCH_AT91SAM9260 || ARCH_AT91SAM9261 || ARCH_AT91SAM9263 || ARCH_AT91SAM9RL || ARCH_AT91CAP9 || ARCH_NS9XXX || ARCH_DAVINCI
- default y if ARCH_VERSATILE_PB || MACH_VERSATILE_AB || ARCH_OMAP730 || ARCH_OMAP16XX || ARCH_PNX4008 || ARCH_NETX || CPU_S3C2412 || ARCH_AT91SAM9260 || ARCH_AT91SAM9261 || ARCH_AT91SAM9263 || ARCH_AT91SAM9RL || ARCH_AT91CAP9 || ARCH_NS9XXX || ARCH_DAVINCI
+ depends on ARCH_INTEGRATOR || ARCH_VERSATILE_PB || \
+ MACH_VERSATILE_AB || ARCH_OMAP730 || \
+ ARCH_OMAP16XX || MACH_REALVIEW_EB || \
+ ARCH_PNX4008 || ARCH_NETX || CPU_S3C2412 || \
+ ARCH_AT91SAM9260 || ARCH_AT91SAM9261 || \
+ ARCH_AT91SAM9263 || ARCH_AT91SAM9RL || \
+ ARCH_AT91SAM9G20 || ARCH_AT91CAP9 || \
+ ARCH_NS9XXX || ARCH_DAVINCI
+ default y if ARCH_VERSATILE_PB || MACH_VERSATILE_AB || \
+ ARCH_OMAP730 || ARCH_OMAP16XX || \
+ ARCH_PNX4008 || ARCH_NETX || CPU_S3C2412 || \
+ ARCH_AT91SAM9260 || ARCH_AT91SAM9261 || \
+ ARCH_AT91SAM9263 || ARCH_AT91SAM9RL || \
+ ARCH_AT91SAM9G20 || ARCH_AT91CAP9 || \
+ ARCH_NS9XXX || ARCH_DAVINCI || ARCH_MX2
select CPU_32v5
select CPU_ABRT_EV5TJ
select CPU_PABRT_NOIFAR
@@ -365,7 +378,7 @@ config CPU_XSC3
# Feroceon
config CPU_FEROCEON
bool
- depends on ARCH_ORION5X
+ depends on ARCH_ORION5X || ARCH_LOKI || ARCH_KIRKWOOD || ARCH_MV78XX0
default y
select CPU_32v5
select CPU_ABRT_EV5T
@@ -373,7 +386,7 @@ config CPU_FEROCEON
select CPU_CACHE_VIVT
select CPU_CP15_MMU
select CPU_COPY_FEROCEON if MMU
- select CPU_TLB_V4WBI if MMU
+ select CPU_TLB_FEROCEON if MMU
config CPU_FEROCEON_OLD_ID
bool "Accept early Feroceon cores with an ARM926 ID"
@@ -551,6 +564,11 @@ config CPU_TLB_V4WBI
ARM Architecture Version 4 TLB with writeback cache and invalidate
instruction cache entry.
+config CPU_TLB_FEROCEON
+ bool
+ help
+ Feroceon TLB (v4wbi with non-outer-cachable page table walks).
+
config CPU_TLB_V6
bool
@@ -709,6 +727,14 @@ config OUTER_CACHE
bool
default n
+config CACHE_FEROCEON_L2
+ bool "Enable the Feroceon L2 cache controller"
+ depends on ARCH_KIRKWOOD || ARCH_MV78XX0
+ default y
+ select OUTER_CACHE
+ help
+ This option enables the Feroceon L2 cache controller.
+
config CACHE_L2X0
bool "Enable the L2x0 outer cache controller"
depends on REALVIEW_EB_ARM11MP || MACH_REALVIEW_PB11MP || MACH_REALVIEW_PB1176
diff --git a/arch/arm/mm/Makefile b/arch/arm/mm/Makefile
index 32b2d2d213a..f64b92557b1 100644
--- a/arch/arm/mm/Makefile
+++ b/arch/arm/mm/Makefile
@@ -46,6 +46,7 @@ obj-$(CONFIG_CPU_TLB_V3) += tlb-v3.o
obj-$(CONFIG_CPU_TLB_V4WT) += tlb-v4.o
obj-$(CONFIG_CPU_TLB_V4WB) += tlb-v4wb.o
obj-$(CONFIG_CPU_TLB_V4WBI) += tlb-v4wbi.o
+obj-$(CONFIG_CPU_TLB_FEROCEON) += tlb-v4wbi.o # reuse v4wbi TLB functions
obj-$(CONFIG_CPU_TLB_V6) += tlb-v6.o
obj-$(CONFIG_CPU_TLB_V7) += tlb-v7.o
@@ -73,4 +74,5 @@ obj-$(CONFIG_CPU_FEROCEON) += proc-feroceon.o
obj-$(CONFIG_CPU_V6) += proc-v6.o
obj-$(CONFIG_CPU_V7) += proc-v7.o
+obj-$(CONFIG_CACHE_FEROCEON_L2) += cache-feroceon-l2.o
obj-$(CONFIG_CACHE_L2X0) += cache-l2x0.o
diff --git a/arch/arm/mm/cache-feroceon-l2.c b/arch/arm/mm/cache-feroceon-l2.c
new file mode 100644
index 00000000000..20eec4ba173
--- /dev/null
+++ b/arch/arm/mm/cache-feroceon-l2.c
@@ -0,0 +1,318 @@
+/*
+ * arch/arm/mm/cache-feroceon-l2.c - Feroceon L2 cache controller support
+ *
+ * Copyright (C) 2008 Marvell Semiconductor
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ *
+ * References:
+ * - Unified Layer 2 Cache for Feroceon CPU Cores,
+ * Document ID MV-S104858-00, Rev. A, October 23 2007.
+ */
+
+#include <linux/init.h>
+#include <asm/cacheflush.h>
+#include <asm/plat-orion/cache-feroceon-l2.h>
+
+
+/*
+ * Low-level cache maintenance operations.
+ *
+ * As well as the regular 'clean/invalidate/flush L2 cache line by
+ * MVA' instructions, the Feroceon L2 cache controller also features
+ * 'clean/invalidate L2 range by MVA' operations.
+ *
+ * Cache range operations are initiated by writing the start and
+ * end addresses to successive cp15 registers, and process every
+ * cache line whose first byte address lies in the inclusive range
+ * [start:end].
+ *
+ * The cache range operations stall the CPU pipeline until completion.
+ *
+ * The range operations require two successive cp15 writes, in
+ * between which we don't want to be preempted.
+ */
+static inline void l2_clean_pa(unsigned long addr)
+{
+ __asm__("mcr p15, 1, %0, c15, c9, 3" : : "r" (addr));
+}
+
+static inline void l2_clean_mva_range(unsigned long start, unsigned long end)
+{
+ unsigned long flags;
+
+ /*
+ * Make sure 'start' and 'end' reference the same page, as
+ * L2 is PIPT and range operations only do a TLB lookup on
+ * the start address.
+ */
+ BUG_ON((start ^ end) & ~(PAGE_SIZE - 1));
+
+ raw_local_irq_save(flags);
+ __asm__("mcr p15, 1, %0, c15, c9, 4" : : "r" (start));
+ __asm__("mcr p15, 1, %0, c15, c9, 5" : : "r" (end));
+ raw_local_irq_restore(flags);
+}
+
+static inline void l2_clean_pa_range(unsigned long start, unsigned long end)
+{
+ l2_clean_mva_range(__phys_to_virt(start), __phys_to_virt(end));
+}
+
+static inline void l2_clean_inv_pa(unsigned long addr)
+{
+ __asm__("mcr p15, 1, %0, c15, c10, 3" : : "r" (addr));
+}
+
+static inline void l2_inv_pa(unsigned long addr)
+{
+ __asm__("mcr p15, 1, %0, c15, c11, 3" : : "r" (addr));
+}
+
+static inline void l2_inv_mva_range(unsigned long start, unsigned long end)
+{
+ unsigned long flags;
+
+ /*
+ * Make sure 'start' and 'end' reference the same page, as
+ * L2 is PIPT and range operations only do a TLB lookup on
+ * the start address.
+ */
+ BUG_ON((start ^ end) & ~(PAGE_SIZE - 1));
+
+ raw_local_irq_save(flags);
+ __asm__("mcr p15, 1, %0, c15, c11, 4" : : "r" (start));
+ __asm__("mcr p15, 1, %0, c15, c11, 5" : : "r" (end));
+ raw_local_irq_restore(flags);
+}
+
+static inline void l2_inv_pa_range(unsigned long start, unsigned long end)
+{
+ l2_inv_mva_range(__phys_to_virt(start), __phys_to_virt(end));
+}
+
+
+/*
+ * Linux primitives.
+ *
+ * Note that the end addresses passed to Linux primitives are
+ * noninclusive, while the hardware cache range operations use
+ * inclusive start and end addresses.
+ */
+#define CACHE_LINE_SIZE 32
+#define MAX_RANGE_SIZE 1024
+
+static int l2_wt_override;
+
+static unsigned long calc_range_end(unsigned long start, unsigned long end)
+{
+ unsigned long range_end;
+
+ BUG_ON(start & (CACHE_LINE_SIZE - 1));
+ BUG_ON(end & (CACHE_LINE_SIZE - 1));
+
+ /*
+ * Try to process all cache lines between 'start' and 'end'.
+ */
+ range_end = end;
+
+ /*
+ * Limit the number of cache lines processed at once,
+ * since cache range operations stall the CPU pipeline
+ * until completion.
+ */
+ if (range_end > start + MAX_RANGE_SIZE)
+ range_end = start + MAX_RANGE_SIZE;
+
+ /*
+ * Cache range operations can't straddle a page boundary.
+ */
+ if (range_end > (start | (PAGE_SIZE - 1)) + 1)
+ range_end = (start | (PAGE_SIZE - 1)) + 1;
+
+ return range_end;
+}
+
+static void feroceon_l2_inv_range(unsigned long start, unsigned long end)
+{
+ /*
+ * Clean and invalidate partial first cache line.
+ */
+ if (start & (CACHE_LINE_SIZE - 1)) {
+ l2_clean_inv_pa(start & ~(CACHE_LINE_SIZE - 1));
+ start = (start | (CACHE_LINE_SIZE - 1)) + 1;
+ }
+
+ /*
+ * Clean and invalidate partial last cache line.
+ */
+ if (end & (CACHE_LINE_SIZE - 1)) {
+ l2_clean_inv_pa(end & ~(CACHE_LINE_SIZE - 1));
+ end &= ~(CACHE_LINE_SIZE - 1);
+ }
+
+ /*
+ * Invalidate all full cache lines between 'start' and 'end'.
+ */
+ while (start != end) {
+ unsigned long range_end = calc_range_end(start, end);
+ l2_inv_pa_range(start, range_end - CACHE_LINE_SIZE);
+ start = range_end;
+ }
+
+ dsb();
+}
+
+static void feroceon_l2_clean_range(unsigned long start, unsigned long end)
+{
+ /*
+ * If L2 is forced to WT, the L2 will always be clean and we
+ * don't need to do anything here.
+ */
+ if (!l2_wt_override) {
+ start &= ~(CACHE_LINE_SIZE - 1);
+ end = (end + CACHE_LINE_SIZE - 1) & ~(CACHE_LINE_SIZE - 1);
+ while (start != end) {
+ unsigned long range_end = calc_range_end(start, end);
+ l2_clean_pa_range(start, range_end - CACHE_LINE_SIZE);
+ start = range_end;
+ }
+ }
+
+ dsb();
+}
+
+static void feroceon_l2_flush_range(unsigned long start, unsigned long end)
+{
+ start &= ~(CACHE_LINE_SIZE - 1);
+ end = (end + CACHE_LINE_SIZE - 1) & ~(CACHE_LINE_SIZE - 1);
+ while (start != end) {
+ unsigned long range_end = calc_range_end(start, end);
+ if (!l2_wt_override)
+ l2_clean_pa_range(start, range_end - CACHE_LINE_SIZE);
+ l2_inv_pa_range(start, range_end - CACHE_LINE_SIZE);
+ start = range_end;
+ }
+
+ dsb();
+}
+
+
+/*
+ * Routines to disable and re-enable the D-cache and I-cache at run
+ * time. These are necessary because the L2 cache can only be enabled
+ * or disabled while the L1 Dcache and Icache are both disabled.
+ */
+static void __init invalidate_and_disable_dcache(void)
+{
+ u32 cr;
+
+ cr = get_cr();
+ if (cr & CR_C) {
+ unsigned long flags;
+
+ raw_local_irq_save(flags);
+ flush_cache_all();
+ set_cr(cr & ~CR_C);
+ raw_local_irq_restore(flags);
+ }
+}
+
+static void __init enable_dcache(void)
+{
+ u32 cr;
+
+ cr = get_cr();
+ if (!(cr & CR_C))
+ set_cr(cr | CR_C);
+}
+
+static void __init __invalidate_icache(void)
+{
+ int dummy;
+
+ __asm__ __volatile__("mcr p15, 0, %0, c7, c5, 0\n" : "=r" (dummy));
+}
+
+static void __init invalidate_and_disable_icache(void)
+{
+ u32 cr;
+
+ cr = get_cr();
+ if (cr & CR_I) {
+ set_cr(cr & ~CR_I);
+ __invalidate_icache();
+ }
+}
+
+static void __init enable_icache(void)
+{
+ u32 cr;
+
+ cr = get_cr();
+ if (!(cr & CR_I))
+ set_cr(cr | CR_I);
+}
+
+static inline u32 read_extra_features(void)
+{
+ u32 u;
+
+ __asm__("mrc p15, 1, %0, c15, c1, 0" : "=r" (u));
+
+ return u;
+}
+
+static inline void write_extra_features(u32 u)
+{
+ __asm__("mcr p15, 1, %0, c15, c1, 0" : : "r" (u));
+}
+
+static void __init disable_l2_prefetch(void)
+{
+ u32 u;
+
+ /*
+ * Read the CPU Extra Features register and verify that the
+ * Disable L2 Prefetch bit is set.
+ */
+ u = read_extra_features();
+ if (!(u & 0x01000000)) {
+ printk(KERN_INFO "Feroceon L2: Disabling L2 prefetch.\n");
+ write_extra_features(u | 0x01000000);
+ }
+}
+
+static void __init enable_l2(void)
+{
+ u32 u;
+
+ u = read_extra_features();
+ if (!(u & 0x00400000)) {
+ printk(KERN_INFO "Feroceon L2: Enabling L2\n");
+
+ invalidate_and_disable_dcache();
+ invalidate_and_disable_icache();
+ write_extra_features(u | 0x00400000);
+ enable_icache();
+ enable_dcache();
+ }
+}
+
+void __init feroceon_l2_init(int __l2_wt_override)
+{
+ l2_wt_override = __l2_wt_override;
+
+ disable_l2_prefetch();
+
+ outer_cache.inv_range = feroceon_l2_inv_range;
+ outer_cache.clean_range = feroceon_l2_clean_range;
+ outer_cache.flush_range = feroceon_l2_flush_range;
+
+ enable_l2();
+
+ printk(KERN_INFO "Feroceon L2: Cache support initialised%s.\n",
+ l2_wt_override ? ", in WT override mode" : "");
+}
diff --git a/arch/arm/mm/fault-armv.c b/arch/arm/mm/fault-armv.c
index 44558d5f931..fbfa2605844 100644
--- a/arch/arm/mm/fault-armv.c
+++ b/arch/arm/mm/fault-armv.c
@@ -144,13 +144,17 @@ void update_mmu_cache(struct vm_area_struct *vma, unsigned long addr, pte_t pte)
page = pfn_to_page(pfn);
mapping = page_mapping(page);
if (mapping) {
+#ifndef CONFIG_SMP
int dirty = test_and_clear_bit(PG_dcache_dirty, &page->flags);
if (dirty)
__flush_dcache_page(mapping, page);
+#endif
if (cache_is_vivt())
make_coherent(mapping, vma, addr, pfn);
+ else if (vma->vm_flags & VM_EXEC)
+ __flush_icache_all();
}
}
diff --git a/arch/arm/mm/flush.c b/arch/arm/mm/flush.c
index 9df507d36e0..029ee65fda2 100644
--- a/arch/arm/mm/flush.c
+++ b/arch/arm/mm/flush.c
@@ -199,6 +199,8 @@ void flush_dcache_page(struct page *page)
__flush_dcache_page(mapping, page);
if (mapping && cache_is_vivt())
__flush_dcache_aliases(mapping, page);
+ else if (mapping)
+ __flush_icache_all();
}
}
EXPORT_SYMBOL(flush_dcache_page);
diff --git a/arch/arm/mm/proc-feroceon.S b/arch/arm/mm/proc-feroceon.S
index a02c1712b52..f2e5884c513 100644
--- a/arch/arm/mm/proc-feroceon.S
+++ b/arch/arm/mm/proc-feroceon.S
@@ -44,11 +44,31 @@
*/
#define CACHE_DLINESIZE 32
+ .bss
+ .align 3
+__cache_params_loc:
+ .space 8
+
.text
+__cache_params:
+ .word __cache_params_loc
+
/*
* cpu_feroceon_proc_init()
*/
ENTRY(cpu_feroceon_proc_init)
+ mrc p15, 0, r0, c0, c0, 1 @ read cache type register
+ ldr r1, __cache_params
+ mov r2, #(16 << 5)
+ tst r0, #(1 << 16) @ get way
+ mov r0, r0, lsr #18 @ get cache size order
+ movne r3, #((4 - 1) << 30) @ 4-way
+ and r0, r0, #0xf
+ moveq r3, #0 @ 1-way
+ mov r2, r2, lsl r0 @ actual cache size
+ movne r2, r2, lsr #2 @ turned into # of sets
+ sub r2, r2, #(1 << 5)
+ stmia r1, {r2, r3}
mov pc, lr
/*
@@ -59,6 +79,13 @@ ENTRY(cpu_feroceon_proc_fin)
mov ip, #PSR_F_BIT | PSR_I_BIT | SVC_MODE
msr cpsr_c, ip
bl feroceon_flush_kern_cache_all
+
+#if defined(CONFIG_CACHE_FEROCEON_L2) && !defined(CONFIG_L2_CACHE_WRITETHROUGH)
+ mov r0, #0
+ mcr p15, 1, r0, c15, c9, 0 @ clean L2
+ mcr p15, 0, r0, c7, c10, 4 @ drain WB
+#endif
+
mrc p15, 0, r0, c1, c0, 0 @ ctrl register
bic r0, r0, #0x1000 @ ...i............
bic r0, r0, #0x000e @ ............wca.
@@ -117,11 +144,19 @@ ENTRY(feroceon_flush_user_cache_all)
*/
ENTRY(feroceon_flush_kern_cache_all)
mov r2, #VM_EXEC
- mov ip, #0
+
__flush_whole_cache:
-1: mrc p15, 0, r15, c7, c14, 3 @ test,clean,invalidate
- bne 1b
+ ldr r1, __cache_params
+ ldmia r1, {r1, r3}
+1: orr ip, r1, r3
+2: mcr p15, 0, ip, c7, c14, 2 @ clean + invalidate D set/way
+ subs ip, ip, #(1 << 30) @ next way
+ bcs 2b
+ subs r1, r1, #(1 << 5) @ next set
+ bcs 1b
+
tst r2, #VM_EXEC
+ mov ip, #0
mcrne p15, 0, ip, c7, c5, 0 @ invalidate I cache
mcrne p15, 0, ip, c7, c10, 4 @ drain WB
mov pc, lr
@@ -138,7 +173,6 @@ __flush_whole_cache:
*/
.align 5
ENTRY(feroceon_flush_user_cache_range)
- mov ip, #0
sub r3, r1, r0 @ calculate total size
cmp r3, #CACHE_DLIMIT
bgt __flush_whole_cache
@@ -152,6 +186,7 @@ ENTRY(feroceon_flush_user_cache_range)
cmp r0, r1
blo 1b
tst r2, #VM_EXEC
+ mov ip, #0
mcrne p15, 0, ip, c7, c10, 4 @ drain WB
mov pc, lr
@@ -209,6 +244,20 @@ ENTRY(feroceon_flush_kern_dcache_page)
mcr p15, 0, r0, c7, c10, 4 @ drain WB
mov pc, lr
+ .align 5
+ENTRY(feroceon_range_flush_kern_dcache_page)
+ mrs r2, cpsr
+ add r1, r0, #PAGE_SZ - CACHE_DLINESIZE @ top addr is inclusive
+ orr r3, r2, #PSR_I_BIT
+ msr cpsr_c, r3 @ disable interrupts
+ mcr p15, 5, r0, c15, c15, 0 @ D clean/inv range start
+ mcr p15, 5, r1, c15, c15, 1 @ D clean/inv range top
+ msr cpsr_c, r2 @ restore interrupts
+ mov r0, #0
+ mcr p15, 0, r0, c7, c5, 0 @ invalidate I cache
+ mcr p15, 0, r0, c7, c10, 4 @ drain WB
+ mov pc, lr
+
/*
* dma_inv_range(start, end)
*
@@ -225,10 +274,10 @@ ENTRY(feroceon_flush_kern_dcache_page)
.align 5
ENTRY(feroceon_dma_inv_range)
tst r0, #CACHE_DLINESIZE - 1
+ bic r0, r0, #CACHE_DLINESIZE - 1
mcrne p15, 0, r0, c7, c10, 1 @ clean D entry
tst r1, #CACHE_DLINESIZE - 1
mcrne p15, 0, r1, c7, c10, 1 @ clean D entry
- bic r0, r0, #CACHE_DLINESIZE - 1
1: mcr p15, 0, r0, c7, c6, 1 @ invalidate D entry
add r0, r0, #CACHE_DLINESIZE
cmp r0, r1
@@ -236,6 +285,22 @@ ENTRY(feroceon_dma_inv_range)
mcr p15, 0, r0, c7, c10, 4 @ drain WB
mov pc, lr
+ .align 5
+ENTRY(feroceon_range_dma_inv_range)
+ mrs r2, cpsr
+ tst r0, #CACHE_DLINESIZE - 1
+ mcrne p15, 0, r0, c7, c10, 1 @ clean D entry
+ tst r1, #CACHE_DLINESIZE - 1
+ mcrne p15, 0, r1, c7, c10, 1 @ clean D entry
+ cmp r1, r0
+ subne r1, r1, #1 @ top address is inclusive
+ orr r3, r2, #PSR_I_BIT
+ msr cpsr_c, r3 @ disable interrupts
+ mcr p15, 5, r0, c15, c14, 0 @ D inv range start
+ mcr p15, 5, r1, c15, c14, 1 @ D inv range top
+ msr cpsr_c, r2 @ restore interrupts
+ mov pc, lr
+
/*
* dma_clean_range(start, end)
*
@@ -256,6 +321,19 @@ ENTRY(feroceon_dma_clean_range)
mcr p15, 0, r0, c7, c10, 4 @ drain WB
mov pc, lr
+ .align 5
+ENTRY(feroceon_range_dma_clean_range)
+ mrs r2, cpsr
+ cmp r1, r0
+ subne r1, r1, #1 @ top address is inclusive
+ orr r3, r2, #PSR_I_BIT
+ msr cpsr_c, r3 @ disable interrupts
+ mcr p15, 5, r0, c15, c13, 0 @ D clean range start
+ mcr p15, 5, r1, c15, c13, 1 @ D clean range top
+ msr cpsr_c, r2 @ restore interrupts
+ mcr p15, 0, r0, c7, c10, 4 @ drain WB
+ mov pc, lr
+
/*
* dma_flush_range(start, end)
*
@@ -274,6 +352,19 @@ ENTRY(feroceon_dma_flush_range)
mcr p15, 0, r0, c7, c10, 4 @ drain WB
mov pc, lr
+ .align 5
+ENTRY(feroceon_range_dma_flush_range)
+ mrs r2, cpsr
+ cmp r1, r0
+ subne r1, r1, #1 @ top address is inclusive
+ orr r3, r2, #PSR_I_BIT
+ msr cpsr_c, r3 @ disable interrupts
+ mcr p15, 5, r0, c15, c15, 0 @ D clean/inv range start
+ mcr p15, 5, r1, c15, c15, 1 @ D clean/inv range top
+ msr cpsr_c, r2 @ restore interrupts
+ mcr p15, 0, r0, c7, c10, 4 @ drain WB
+ mov pc, lr
+
ENTRY(feroceon_cache_fns)
.long feroceon_flush_kern_cache_all
.long feroceon_flush_user_cache_all
@@ -285,12 +376,33 @@ ENTRY(feroceon_cache_fns)
.long feroceon_dma_clean_range
.long feroceon_dma_flush_range
+ENTRY(feroceon_range_cache_fns)
+ .long feroceon_flush_kern_cache_all
+ .long feroceon_flush_user_cache_all
+ .long feroceon_flush_user_cache_range
+ .long feroceon_coherent_kern_range
+ .long feroceon_coherent_user_range
+ .long feroceon_range_flush_kern_dcache_page
+ .long feroceon_range_dma_inv_range
+ .long feroceon_range_dma_clean_range
+ .long feroceon_range_dma_flush_range
+
.align 5
ENTRY(cpu_feroceon_dcache_clean_area)
+#if defined(CONFIG_CACHE_FEROCEON_L2) && !defined(CONFIG_L2_CACHE_WRITETHROUGH)
+ mov r2, r0
+ mov r3, r1
+#endif
1: mcr p15, 0, r0, c7, c10, 1 @ clean D entry
add r0, r0, #CACHE_DLINESIZE
subs r1, r1, #CACHE_DLINESIZE
bhi 1b
+#if defined(CONFIG_CACHE_FEROCEON_L2) && !defined(CONFIG_L2_CACHE_WRITETHROUGH)
+1: mcr p15, 1, r2, c15, c9, 1 @ clean L2 entry
+ add r2, r2, #CACHE_DLINESIZE
+ subs r3, r3, #CACHE_DLINESIZE
+ bhi 1b
+#endif
mcr p15, 0, r0, c7, c10, 4 @ drain WB
mov pc, lr
@@ -306,16 +418,25 @@ ENTRY(cpu_feroceon_dcache_clean_area)
.align 5
ENTRY(cpu_feroceon_switch_mm)
#ifdef CONFIG_MMU
- mov ip, #0
-@ && 'Clean & Invalidate whole DCache'
-1: mrc p15, 0, r15, c7, c14, 3 @ test,clean,invalidate
- bne 1b
- mcr p15, 0, ip, c7, c5, 0 @ invalidate I cache
- mcr p15, 0, ip, c7, c10, 4 @ drain WB
+ /*
+ * Note: we wish to call __flush_whole_cache but we need to preserve
+ * lr to do so. The only way without touching main memory is to
+ * use r2 which is normally used to test the VM_EXEC flag, and
+ * compensate locally for the skipped ops if it is not set.
+ */
+ mov r2, lr @ abuse r2 to preserve lr
+ bl __flush_whole_cache
+ @ if r2 contains the VM_EXEC bit then the next 2 ops are done already
+ tst r2, #VM_EXEC
+ mcreq p15, 0, ip, c7, c5, 0 @ invalidate I cache
+ mcreq p15, 0, ip, c7, c10, 4 @ drain WB
+
mcr p15, 0, r0, c2, c0, 0 @ load page table pointer
mcr p15, 0, ip, c8, c7, 0 @ invalidate I & D TLBs
-#endif
+ mov pc, r2
+#else
mov pc, lr
+#endif
/*
* cpu_feroceon_set_pte_ext(ptep, pte, ext)
@@ -345,6 +466,9 @@ ENTRY(cpu_feroceon_set_pte_ext)
str r2, [r0] @ hardware version
mov r0, r0
mcr p15, 0, r0, c7, c10, 1 @ clean D entry
+#if defined(CONFIG_CACHE_FEROCEON_L2) && !defined(CONFIG_L2_CACHE_WRITETHROUGH)
+ mcr p15, 1, r0, c15, c9, 1 @ clean L2 entry
+#endif
mcr p15, 0, r0, c7, c10, 4 @ drain WB
#endif
mov pc, lr
@@ -369,14 +493,15 @@ __feroceon_setup:
.size __feroceon_setup, . - __feroceon_setup
/*
- * R
- * .RVI ZFRS BLDP WCAM
- * .011 0001 ..11 0101
+ * B
+ * R P
+ * .RVI UFRS BLDP WCAM
+ * .011 .001 ..11 0101
*
*/
.type feroceon_crval, #object
feroceon_crval:
- crval clear=0x00007f3f, mmuset=0x00003135, ucset=0x00001134
+ crval clear=0x0000773f, mmuset=0x00003135, ucset=0x00001134
__INITDATA
@@ -414,6 +539,21 @@ cpu_feroceon_name:
.asciz "Feroceon"
.size cpu_feroceon_name, . - cpu_feroceon_name
+ .type cpu_88fr531_name, #object
+cpu_88fr531_name:
+ .asciz "Feroceon 88FR531-vd"
+ .size cpu_88fr531_name, . - cpu_88fr531_name
+
+ .type cpu_88fr571_name, #object
+cpu_88fr571_name:
+ .asciz "Feroceon 88FR571-vd"
+ .size cpu_88fr571_name, . - cpu_88fr571_name
+
+ .type cpu_88fr131_name, #object
+cpu_88fr131_name:
+ .asciz "Feroceon 88FR131"
+ .size cpu_88fr131_name, . - cpu_88fr131_name
+
.align
.section ".proc.info.init", #alloc, #execinstr
@@ -421,15 +561,15 @@ cpu_feroceon_name:
#ifdef CONFIG_CPU_FEROCEON_OLD_ID
.type __feroceon_old_id_proc_info,#object
__feroceon_old_id_proc_info:
- .long 0x41069260
- .long 0xfffffff0
- .long PMD_TYPE_SECT | \
+ .long 0x41009260
+ .long 0xff00fff0
+ .long PMD_TYPE_SECT | \
PMD_SECT_BUFFERABLE | \
PMD_SECT_CACHEABLE | \
PMD_BIT4 | \
PMD_SECT_AP_WRITE | \
PMD_SECT_AP_READ
- .long PMD_TYPE_SECT | \
+ .long PMD_TYPE_SECT | \
PMD_BIT4 | \
PMD_SECT_AP_WRITE | \
PMD_SECT_AP_READ
@@ -445,17 +585,17 @@ __feroceon_old_id_proc_info:
.size __feroceon_old_id_proc_info, . - __feroceon_old_id_proc_info
#endif
- .type __feroceon_proc_info,#object
-__feroceon_proc_info:
+ .type __88fr531_proc_info,#object
+__88fr531_proc_info:
.long 0x56055310
.long 0xfffffff0
- .long PMD_TYPE_SECT | \
+ .long PMD_TYPE_SECT | \
PMD_SECT_BUFFERABLE | \
PMD_SECT_CACHEABLE | \
PMD_BIT4 | \
PMD_SECT_AP_WRITE | \
PMD_SECT_AP_READ
- .long PMD_TYPE_SECT | \
+ .long PMD_TYPE_SECT | \
PMD_BIT4 | \
PMD_SECT_AP_WRITE | \
PMD_SECT_AP_READ
@@ -463,9 +603,59 @@ __feroceon_proc_info:
.long cpu_arch_name
.long cpu_elf_name
.long HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP
- .long cpu_feroceon_name
+ .long cpu_88fr531_name
.long feroceon_processor_functions
.long v4wbi_tlb_fns
.long feroceon_user_fns
.long feroceon_cache_fns
- .size __feroceon_proc_info, . - __feroceon_proc_info
+ .size __88fr531_proc_info, . - __88fr531_proc_info
+
+ .type __88fr571_proc_info,#object
+__88fr571_proc_info:
+ .long 0x56155710
+ .long 0xfffffff0
+ .long PMD_TYPE_SECT | \
+ PMD_SECT_BUFFERABLE | \
+ PMD_SECT_CACHEABLE | \
+ PMD_BIT4 | \
+ PMD_SECT_AP_WRITE | \
+ PMD_SECT_AP_READ
+ .long PMD_TYPE_SECT | \
+ PMD_BIT4 | \
+ PMD_SECT_AP_WRITE | \
+ PMD_SECT_AP_READ
+ b __feroceon_setup
+ .long cpu_arch_name
+ .long cpu_elf_name
+ .long HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP
+ .long cpu_88fr571_name
+ .long feroceon_processor_functions
+ .long v4wbi_tlb_fns
+ .long feroceon_user_fns
+ .long feroceon_range_cache_fns
+ .size __88fr571_proc_info, . - __88fr571_proc_info
+
+ .type __88fr131_proc_info,#object
+__88fr131_proc_info:
+ .long 0x56251310
+ .long 0xfffffff0
+ .long PMD_TYPE_SECT | \
+ PMD_SECT_BUFFERABLE | \
+ PMD_SECT_CACHEABLE | \
+ PMD_BIT4 | \
+ PMD_SECT_AP_WRITE | \
+ PMD_SECT_AP_READ
+ .long PMD_TYPE_SECT | \
+ PMD_BIT4 | \
+ PMD_SECT_AP_WRITE | \
+ PMD_SECT_AP_READ
+ b __feroceon_setup
+ .long cpu_arch_name
+ .long cpu_elf_name
+ .long HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP
+ .long cpu_88fr131_name
+ .long feroceon_processor_functions
+ .long v4wbi_tlb_fns
+ .long feroceon_user_fns
+ .long feroceon_range_cache_fns
+ .size __88fr131_proc_info, . - __88fr131_proc_info
diff --git a/arch/arm/oprofile/op_model_mpcore.c b/arch/arm/oprofile/op_model_mpcore.c
index 74fae604565..4458705021e 100644
--- a/arch/arm/oprofile/op_model_mpcore.c
+++ b/arch/arm/oprofile/op_model_mpcore.c
@@ -201,7 +201,7 @@ static int em_call_function(int (*fn)(void))
data.ret = 0;
preempt_disable();
- smp_call_function(em_func, &data, 1, 1);
+ smp_call_function(em_func, &data, 1);
em_func(&data);
preempt_enable();
diff --git a/arch/arm/plat-iop/gpio.c b/arch/arm/plat-iop/gpio.c
index eda43608341..640e498c12e 100644
--- a/arch/arm/plat-iop/gpio.c
+++ b/arch/arm/plat-iop/gpio.c
@@ -11,6 +11,10 @@
*/
#include <linux/device.h>
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <linux/gpio.h>
#include <asm/hardware/iop3xx.h>
void gpio_line_config(int line, int direction)
@@ -46,3 +50,42 @@ void gpio_line_set(int line, int value)
local_irq_restore(flags);
}
EXPORT_SYMBOL(gpio_line_set);
+
+static int iop3xx_gpio_direction_input(struct gpio_chip *chip, unsigned gpio)
+{
+ gpio_line_config(gpio, GPIO_IN);
+ return 0;
+}
+
+static int iop3xx_gpio_direction_output(struct gpio_chip *chip, unsigned gpio, int level)
+{
+ gpio_line_set(gpio, level);
+ gpio_line_config(gpio, GPIO_OUT);
+ return 0;
+}
+
+static int iop3xx_gpio_get_value(struct gpio_chip *chip, unsigned gpio)
+{
+ return gpio_line_get(gpio);
+}
+
+static void iop3xx_gpio_set_value(struct gpio_chip *chip, unsigned gpio, int value)
+{
+ gpio_line_set(gpio, value);
+}
+
+static struct gpio_chip iop3xx_chip = {
+ .label = "iop3xx",
+ .direction_input = iop3xx_gpio_direction_input,
+ .get = iop3xx_gpio_get_value,
+ .direction_output = iop3xx_gpio_direction_output,
+ .set = iop3xx_gpio_set_value,
+ .base = 0,
+ .ngpio = IOP3XX_N_GPIOS,
+};
+
+static int __init iop3xx_gpio_setup(void)
+{
+ return gpiochip_add(&iop3xx_chip);
+}
+arch_initcall(iop3xx_gpio_setup);
diff --git a/arch/arm/plat-mxc/Kconfig b/arch/arm/plat-mxc/Kconfig
index bb6e12738fb..e14eaad11dd 100644
--- a/arch/arm/plat-mxc/Kconfig
+++ b/arch/arm/plat-mxc/Kconfig
@@ -3,9 +3,14 @@ if ARCH_MXC
menu "Freescale MXC Implementations"
choice
- prompt "MXC/iMX System Type"
+ prompt "MXC/iMX Base Type"
default ARCH_MX3
+config ARCH_MX2
+ bool "MX2-based"
+ help
+ This enables support for systems based on the Freescale i.MX2 family
+
config ARCH_MX3
bool "MX3-based"
help
@@ -13,6 +18,7 @@ config ARCH_MX3
endchoice
+source "arch/arm/mach-mx2/Kconfig"
source "arch/arm/mach-mx3/Kconfig"
endmenu
diff --git a/arch/arm/plat-mxc/Makefile b/arch/arm/plat-mxc/Makefile
index f96dc036206..db66e9ae841 100644
--- a/arch/arm/plat-mxc/Makefile
+++ b/arch/arm/plat-mxc/Makefile
@@ -3,4 +3,6 @@
#
# Common support
-obj-y := irq.o
+obj-y := irq.o clock.o gpio.o time.o
+
+obj-$(CONFIG_ARCH_MX2) += iomux-mx1-mx2.o
diff --git a/arch/arm/plat-mxc/clock.c b/arch/arm/plat-mxc/clock.c
new file mode 100644
index 00000000000..1aa86fd60d7
--- /dev/null
+++ b/arch/arm/plat-mxc/clock.c
@@ -0,0 +1,331 @@
+/*
+ * Based on arch/arm/plat-omap/clock.c
+ *
+ * Copyright (C) 2004 - 2005 Nokia corporation
+ * Written by Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com>
+ * Modified for omap shared clock framework by Tony Lindgren <tony@atomide.com>
+ * Copyright 2007 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2008 Juergen Beisert, kernel@pengutronix.de
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+
+/* #define DEBUG */
+
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/kernel.h>
+#include <linux/list.h>
+#include <linux/module.h>
+#include <linux/mutex.h>
+#include <linux/platform_device.h>
+#include <linux/proc_fs.h>
+#include <linux/semaphore.h>
+#include <linux/string.h>
+#include <linux/version.h>
+
+#include <asm/arch/clock.h>
+
+static LIST_HEAD(clocks);
+static DEFINE_MUTEX(clocks_mutex);
+
+/*-------------------------------------------------------------------------
+ * Standard clock functions defined in include/linux/clk.h
+ *-------------------------------------------------------------------------*/
+
+/*
+ * Retrieve a clock by name.
+ *
+ * Note that we first try to use device id on the bus
+ * and clock name. If this fails, we try to use "<name>.<id>". If this fails,
+ * we try to use clock name only.
+ * The reference count to the clock's module owner ref count is incremented.
+ */
+struct clk *clk_get(struct device *dev, const char *id)
+{
+ struct clk *p, *clk = ERR_PTR(-ENOENT);
+ int idno;
+ const char *str;
+
+ if (id == NULL)
+ return clk;
+
+ if (dev == NULL || dev->bus != &platform_bus_type)
+ idno = -1;
+ else
+ idno = to_platform_device(dev)->id;
+
+ mutex_lock(&clocks_mutex);
+
+ list_for_each_entry(p, &clocks, node) {
+ if (p->id == idno &&
+ strcmp(id, p->name) == 0 && try_module_get(p->owner)) {
+ clk = p;
+ goto found;
+ }
+ }
+
+ str = strrchr(id, '.');
+ if (str) {
+ int cnt = str - id;
+ str++;
+ idno = simple_strtol(str, NULL, 10);
+ list_for_each_entry(p, &clocks, node) {
+ if (p->id == idno &&
+ strlen(p->name) == cnt &&
+ strncmp(id, p->name, cnt) == 0 &&
+ try_module_get(p->owner)) {
+ clk = p;
+ goto found;
+ }
+ }
+ }
+
+ list_for_each_entry(p, &clocks, node) {
+ if (strcmp(id, p->name) == 0 && try_module_get(p->owner)) {
+ clk = p;
+ goto found;
+ }
+ }
+
+ printk(KERN_WARNING "clk: Unable to get requested clock: %s\n", id);
+
+found:
+ mutex_unlock(&clocks_mutex);
+
+ return clk;
+}
+EXPORT_SYMBOL(clk_get);
+
+static void __clk_disable(struct clk *clk)
+{
+ if (clk == NULL || IS_ERR(clk))
+ return;
+
+ __clk_disable(clk->parent);
+ __clk_disable(clk->secondary);
+
+ if (!(--clk->usecount) && clk->disable)
+ clk->disable(clk);
+}
+
+static int __clk_enable(struct clk *clk)
+{
+ if (clk == NULL || IS_ERR(clk))
+ return -EINVAL;
+
+ __clk_enable(clk->parent);
+ __clk_enable(clk->secondary);
+
+ if (clk->usecount++ == 0 && clk->enable)
+ clk->enable(clk);
+
+ return 0;
+}
+
+/* This function increments the reference count on the clock and enables the
+ * clock if not already enabled. The parent clock tree is recursively enabled
+ */
+int clk_enable(struct clk *clk)
+{
+ int ret = 0;
+
+ if (clk == NULL || IS_ERR(clk))
+ return -EINVAL;
+
+ mutex_lock(&clocks_mutex);
+ ret = __clk_enable(clk);
+ mutex_unlock(&clocks_mutex);
+
+ return ret;
+}
+EXPORT_SYMBOL(clk_enable);
+
+/* This function decrements the reference count on the clock and disables
+ * the clock when reference count is 0. The parent clock tree is
+ * recursively disabled
+ */
+void clk_disable(struct clk *clk)
+{
+ if (clk == NULL || IS_ERR(clk))
+ return;
+
+ mutex_lock(&clocks_mutex);
+ __clk_disable(clk);
+ mutex_unlock(&clocks_mutex);
+}
+EXPORT_SYMBOL(clk_disable);
+
+/* Retrieve the *current* clock rate. If the clock itself
+ * does not provide a special calculation routine, ask
+ * its parent and so on, until one is able to return
+ * a valid clock rate
+ */
+unsigned long clk_get_rate(struct clk *clk)
+{
+ if (clk == NULL || IS_ERR(clk))
+ return 0UL;
+
+ if (clk->get_rate)
+ return clk->get_rate(clk);
+
+ return clk_get_rate(clk->parent);
+}
+EXPORT_SYMBOL(clk_get_rate);
+
+/* Decrement the clock's module reference count */
+void clk_put(struct clk *clk)
+{
+ if (clk && !IS_ERR(clk))
+ module_put(clk->owner);
+}
+EXPORT_SYMBOL(clk_put);
+
+/* Round the requested clock rate to the nearest supported
+ * rate that is less than or equal to the requested rate.
+ * This is dependent on the clock's current parent.
+ */
+long clk_round_rate(struct clk *clk, unsigned long rate)
+{
+ if (clk == NULL || IS_ERR(clk) || !clk->round_rate)
+ return 0;
+
+ return clk->round_rate(clk, rate);
+}
+EXPORT_SYMBOL(clk_round_rate);
+
+/* Set the clock to the requested clock rate. The rate must
+ * match a supported rate exactly based on what clk_round_rate returns
+ */
+int clk_set_rate(struct clk *clk, unsigned long rate)
+{
+ int ret = -EINVAL;
+
+ if (clk == NULL || IS_ERR(clk) || clk->set_rate == NULL || rate == 0)
+ return ret;
+
+ mutex_lock(&clocks_mutex);
+ ret = clk->set_rate(clk, rate);
+ mutex_unlock(&clocks_mutex);
+
+ return ret;
+}
+EXPORT_SYMBOL(clk_set_rate);
+
+/* Set the clock's parent to another clock source */
+int clk_set_parent(struct clk *clk, struct clk *parent)
+{
+ int ret = -EINVAL;
+
+ if (clk == NULL || IS_ERR(clk) || parent == NULL ||
+ IS_ERR(parent) || clk->set_parent == NULL)
+ return ret;
+
+ mutex_lock(&clocks_mutex);
+ ret = clk->set_parent(clk, parent);
+ if (ret == 0)
+ clk->parent = parent;
+ mutex_unlock(&clocks_mutex);
+
+ return ret;
+}
+EXPORT_SYMBOL(clk_set_parent);
+
+/* Retrieve the clock's parent clock source */
+struct clk *clk_get_parent(struct clk *clk)
+{
+ struct clk *ret = NULL;
+
+ if (clk == NULL || IS_ERR(clk))
+ return ret;
+
+ return clk->parent;
+}
+EXPORT_SYMBOL(clk_get_parent);
+
+/*
+ * Add a new clock to the clock tree.
+ */
+int clk_register(struct clk *clk)
+{
+ if (clk == NULL || IS_ERR(clk))
+ return -EINVAL;
+
+ mutex_lock(&clocks_mutex);
+ list_add(&clk->node, &clocks);
+ mutex_unlock(&clocks_mutex);
+
+ return 0;
+}
+EXPORT_SYMBOL(clk_register);
+
+/* Remove a clock from the clock tree */
+void clk_unregister(struct clk *clk)
+{
+ if (clk == NULL || IS_ERR(clk))
+ return;
+
+ mutex_lock(&clocks_mutex);
+ list_del(&clk->node);
+ mutex_unlock(&clocks_mutex);
+}
+EXPORT_SYMBOL(clk_unregister);
+
+#ifdef CONFIG_PROC_FS
+static int mxc_clock_read_proc(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct clk *clkp;
+ char *p = page;
+ int len;
+
+ list_for_each_entry(clkp, &clocks, node) {
+ p += sprintf(p, "%s-%d:\t\t%lu, %d", clkp->name, clkp->id,
+ clk_get_rate(clkp), clkp->usecount);
+ if (clkp->parent)
+ p += sprintf(p, ", %s-%d\n", clkp->parent->name,
+ clkp->parent->id);
+ else
+ p += sprintf(p, "\n");
+ }
+
+ len = (p - page) - off;
+ if (len < 0)
+ len = 0;
+
+ *eof = (len <= count) ? 1 : 0;
+ *start = page + off;
+
+ return len;
+}
+
+static int __init mxc_setup_proc_entry(void)
+{
+ struct proc_dir_entry *res;
+
+ res = create_proc_read_entry("cpu/clocks", 0, NULL,
+ mxc_clock_read_proc, NULL);
+ if (!res) {
+ printk(KERN_ERR "Failed to create proc/cpu/clocks\n");
+ return -ENOMEM;
+ }
+ return 0;
+}
+
+late_initcall(mxc_setup_proc_entry);
+#endif
diff --git a/arch/arm/plat-mxc/gpio.c b/arch/arm/plat-mxc/gpio.c
new file mode 100644
index 00000000000..4a7736717d8
--- /dev/null
+++ b/arch/arm/plat-mxc/gpio.c
@@ -0,0 +1,253 @@
+/*
+ * MXC GPIO support. (c) 2008 Daniel Mack <daniel@caiaq.de>
+ * Copyright 2008 Juergen Beisert, kernel@pengutronix.de
+ *
+ * Based on code from Freescale,
+ * Copyright 2004-2006 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/irq.h>
+#include <linux/gpio.h>
+#include <asm/hardware.h>
+#include <asm-generic/bug.h>
+
+static struct mxc_gpio_port *mxc_gpio_ports;
+static int gpio_table_size;
+
+/* Note: This driver assumes 32 GPIOs are handled in one register */
+
+static void _clear_gpio_irqstatus(struct mxc_gpio_port *port, u32 index)
+{
+ __raw_writel(1 << index, port->base + GPIO_ISR);
+}
+
+static void _set_gpio_irqenable(struct mxc_gpio_port *port, u32 index,
+ int enable)
+{
+ u32 l;
+
+ l = __raw_readl(port->base + GPIO_IMR);
+ l = (l & (~(1 << index))) | (!!enable << index);
+ __raw_writel(l, port->base + GPIO_IMR);
+}
+
+static void gpio_ack_irq(u32 irq)
+{
+ u32 gpio = irq_to_gpio(irq);
+ _clear_gpio_irqstatus(&mxc_gpio_ports[gpio / 32], gpio & 0x1f);
+}
+
+static void gpio_mask_irq(u32 irq)
+{
+ u32 gpio = irq_to_gpio(irq);
+ _set_gpio_irqenable(&mxc_gpio_ports[gpio / 32], gpio & 0x1f, 0);
+}
+
+static void gpio_unmask_irq(u32 irq)
+{
+ u32 gpio = irq_to_gpio(irq);
+ _set_gpio_irqenable(&mxc_gpio_ports[gpio / 32], gpio & 0x1f, 1);
+}
+
+static int gpio_set_irq_type(u32 irq, u32 type)
+{
+ u32 gpio = irq_to_gpio(irq);
+ struct mxc_gpio_port *port = &mxc_gpio_ports[gpio / 32];
+ u32 bit, val;
+ int edge;
+ void __iomem *reg = port->base;
+
+ switch (type) {
+ case IRQT_RISING:
+ edge = GPIO_INT_RISE_EDGE;
+ break;
+ case IRQT_FALLING:
+ edge = GPIO_INT_FALL_EDGE;
+ break;
+ case IRQT_LOW:
+ edge = GPIO_INT_LOW_LEV;
+ break;
+ case IRQT_HIGH:
+ edge = GPIO_INT_HIGH_LEV;
+ break;
+ default: /* this includes IRQT_BOTHEDGE */
+ return -EINVAL;
+ }
+
+ reg += GPIO_ICR1 + ((gpio & 0x10) >> 2); /* lower or upper register */
+ bit = gpio & 0xf;
+ val = __raw_readl(reg) & ~(0x3 << (bit << 1));
+ __raw_writel(val | (edge << (bit << 1)), reg);
+ _clear_gpio_irqstatus(port, gpio & 0x1f);
+
+ return 0;
+}
+
+/* handle n interrupts in one status register */
+static void mxc_gpio_irq_handler(struct mxc_gpio_port *port, u32 irq_stat)
+{
+ u32 gpio_irq_no;
+
+ gpio_irq_no = port->virtual_irq_start;
+ for (; irq_stat != 0; irq_stat >>= 1, gpio_irq_no++) {
+
+ if ((irq_stat & 1) == 0)
+ continue;
+
+ BUG_ON(!(irq_desc[gpio_irq_no].handle_irq));
+ irq_desc[gpio_irq_no].handle_irq(gpio_irq_no,
+ &irq_desc[gpio_irq_no]);
+ }
+}
+
+#ifdef CONFIG_ARCH_MX3
+/* MX3 has one interrupt *per* gpio port */
+static void mx3_gpio_irq_handler(u32 irq, struct irq_desc *desc)
+{
+ u32 irq_stat;
+ struct mxc_gpio_port *port = (struct mxc_gpio_port *)get_irq_data(irq);
+
+ irq_stat = __raw_readl(port->base + GPIO_ISR) &
+ __raw_readl(port->base + GPIO_IMR);
+ BUG_ON(!irq_stat);
+ mxc_gpio_irq_handler(port, irq_stat);
+}
+#endif
+
+#ifdef CONFIG_ARCH_MX2
+/* MX2 has one interrupt *for all* gpio ports */
+static void mx2_gpio_irq_handler(u32 irq, struct irq_desc *desc)
+{
+ int i;
+ u32 irq_msk, irq_stat;
+ struct mxc_gpio_port *port = (struct mxc_gpio_port *)get_irq_data(irq);
+
+ /* walk through all interrupt status registers */
+ for (i = 0; i < gpio_table_size; i++) {
+ irq_msk = __raw_readl(port[i].base + GPIO_IMR);
+ if (!irq_msk)
+ continue;
+
+ irq_stat = __raw_readl(port[i].base + GPIO_ISR) & irq_msk;
+ if (irq_stat)
+ mxc_gpio_irq_handler(&port[i], irq_stat);
+ }
+}
+#endif
+
+static struct irq_chip gpio_irq_chip = {
+ .ack = gpio_ack_irq,
+ .mask = gpio_mask_irq,
+ .unmask = gpio_unmask_irq,
+ .set_type = gpio_set_irq_type,
+};
+
+static void _set_gpio_direction(struct gpio_chip *chip, unsigned offset,
+ int dir)
+{
+ struct mxc_gpio_port *port =
+ container_of(chip, struct mxc_gpio_port, chip);
+ u32 l;
+
+ l = __raw_readl(port->base + GPIO_GDIR);
+ if (dir)
+ l |= 1 << offset;
+ else
+ l &= ~(1 << offset);
+ __raw_writel(l, port->base + GPIO_GDIR);
+}
+
+static void mxc_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
+{
+ struct mxc_gpio_port *port =
+ container_of(chip, struct mxc_gpio_port, chip);
+ void __iomem *reg = port->base + GPIO_DR;
+ u32 l;
+
+ l = (__raw_readl(reg) & (~(1 << offset))) | (value << offset);
+ __raw_writel(l, reg);
+}
+
+static int mxc_gpio_get(struct gpio_chip *chip, unsigned offset)
+{
+ struct mxc_gpio_port *port =
+ container_of(chip, struct mxc_gpio_port, chip);
+
+ return (__raw_readl(port->base + GPIO_DR) >> offset) & 1;
+}
+
+static int mxc_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
+{
+ _set_gpio_direction(chip, offset, 0);
+ return 0;
+}
+
+static int mxc_gpio_direction_output(struct gpio_chip *chip,
+ unsigned offset, int value)
+{
+ _set_gpio_direction(chip, offset, 1);
+ mxc_gpio_set(chip, offset, value);
+ return 0;
+}
+
+int __init mxc_gpio_init(struct mxc_gpio_port *port, int cnt)
+{
+ int i, j;
+
+ /* save for local usage */
+ mxc_gpio_ports = port;
+ gpio_table_size = cnt;
+
+ printk(KERN_INFO "MXC GPIO hardware\n");
+
+ for (i = 0; i < cnt; i++) {
+ /* disable the interrupt and clear the status */
+ __raw_writel(0, port[i].base + GPIO_IMR);
+ __raw_writel(~0, port[i].base + GPIO_ISR);
+ for (j = port[i].virtual_irq_start;
+ j < port[i].virtual_irq_start + 32; j++) {
+ set_irq_chip(j, &gpio_irq_chip);
+ set_irq_handler(j, handle_edge_irq);
+ set_irq_flags(j, IRQF_VALID);
+ }
+
+ /* register gpio chip */
+ port[i].chip.direction_input = mxc_gpio_direction_input;
+ port[i].chip.direction_output = mxc_gpio_direction_output;
+ port[i].chip.get = mxc_gpio_get;
+ port[i].chip.set = mxc_gpio_set;
+ port[i].chip.base = i * 32;
+ port[i].chip.ngpio = 32;
+
+ /* its a serious configuration bug when it fails */
+ BUG_ON( gpiochip_add(&port[i].chip) < 0 );
+
+#ifdef CONFIG_ARCH_MX3
+ /* setup one handler for each entry */
+ set_irq_chained_handler(port[i].irq, mx3_gpio_irq_handler);
+ set_irq_data(port[i].irq, &port[i]);
+#endif
+ }
+
+#ifdef CONFIG_ARCH_MX2
+ /* setup one handler for all GPIO interrupts */
+ set_irq_chained_handler(port[0].irq, mx2_gpio_irq_handler);
+ set_irq_data(port[0].irq, port);
+#endif
+ return 0;
+}
diff --git a/arch/arm/plat-mxc/iomux-mx1-mx2.c b/arch/arm/plat-mxc/iomux-mx1-mx2.c
new file mode 100644
index 00000000000..1985571eb40
--- /dev/null
+++ b/arch/arm/plat-mxc/iomux-mx1-mx2.c
@@ -0,0 +1,156 @@
+/*
+ * arch/arm/mach-mxc/generic.c
+ *
+ * author: Sascha Hauer
+ * Created: april 20th, 2004
+ * Copyright: Synertronixx GmbH
+ *
+ * Common code for i.MX machines
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/string.h>
+#include <linux/gpio.h>
+
+#include <asm/hardware.h>
+#include <asm/mach/map.h>
+#include <asm/arch/iomux-mx1-mx2.h>
+
+void mxc_gpio_mode(int gpio_mode)
+{
+ unsigned int pin = gpio_mode & GPIO_PIN_MASK;
+ unsigned int port = (gpio_mode & GPIO_PORT_MASK) >> GPIO_PORT_SHIFT;
+ unsigned int ocr = (gpio_mode & GPIO_OCR_MASK) >> GPIO_OCR_SHIFT;
+ unsigned int tmp;
+
+ /* Pullup enable */
+ tmp = __raw_readl(VA_GPIO_BASE + MXC_PUEN(port));
+ if (gpio_mode & GPIO_PUEN)
+ tmp |= (1 << pin);
+ else
+ tmp &= ~(1 << pin);
+ __raw_writel(tmp, VA_GPIO_BASE + MXC_PUEN(port));
+
+ /* Data direction */
+ tmp = __raw_readl(VA_GPIO_BASE + MXC_DDIR(port));
+ if (gpio_mode & GPIO_OUT)
+ tmp |= 1 << pin;
+ else
+ tmp &= ~(1 << pin);
+ __raw_writel(tmp, VA_GPIO_BASE + MXC_DDIR(port));
+
+ /* Primary / alternate function */
+ tmp = __raw_readl(VA_GPIO_BASE + MXC_GPR(port));
+ if (gpio_mode & GPIO_AF)
+ tmp |= (1 << pin);
+ else
+ tmp &= ~(1 << pin);
+ __raw_writel(tmp, VA_GPIO_BASE + MXC_GPR(port));
+
+ /* use as gpio? */
+ tmp = __raw_readl(VA_GPIO_BASE + MXC_GIUS(port));
+ if (gpio_mode & (GPIO_PF | GPIO_AF))
+ tmp &= ~(1 << pin);
+ else
+ tmp |= (1 << pin);
+ __raw_writel(tmp, VA_GPIO_BASE + MXC_GIUS(port));
+
+ if (pin < 16) {
+ tmp = __raw_readl(VA_GPIO_BASE + MXC_OCR1(port));
+ tmp &= ~(3 << (pin * 2));
+ tmp |= (ocr << (pin * 2));
+ __raw_writel(tmp, VA_GPIO_BASE + MXC_OCR1(port));
+
+ tmp = __raw_readl(VA_GPIO_BASE + MXC_ICONFA1(port));
+ tmp &= ~(3 << (pin * 2));
+ tmp |= ((gpio_mode >> GPIO_AOUT_SHIFT) & 3) << (pin * 2);
+ __raw_writel(tmp, VA_GPIO_BASE + MXC_ICONFA1(port));
+
+ tmp = __raw_readl(VA_GPIO_BASE + MXC_ICONFB1(port));
+ tmp &= ~(3 << (pin * 2));
+ tmp |= ((gpio_mode >> GPIO_BOUT_SHIFT) & 3) << (pin * 2);
+ __raw_writel(tmp, VA_GPIO_BASE + MXC_ICONFB1(port));
+ } else {
+ pin -= 16;
+
+ tmp = __raw_readl(VA_GPIO_BASE + MXC_OCR2(port));
+ tmp &= ~(3 << (pin * 2));
+ tmp |= (ocr << (pin * 2));
+ __raw_writel(tmp, VA_GPIO_BASE + MXC_OCR2(port));
+
+ tmp = __raw_readl(VA_GPIO_BASE + MXC_ICONFA2(port));
+ tmp &= ~(3 << (pin * 2));
+ tmp |= ((gpio_mode >> GPIO_AOUT_SHIFT) & 3) << (pin * 2);
+ __raw_writel(tmp, VA_GPIO_BASE + MXC_ICONFA2(port));
+
+ tmp = __raw_readl(VA_GPIO_BASE + MXC_ICONFB2(port));
+ tmp &= ~(3 << (pin * 2));
+ tmp |= ((gpio_mode >> GPIO_BOUT_SHIFT) & 3) << (pin * 2);
+ __raw_writel(tmp, VA_GPIO_BASE + MXC_ICONFB2(port));
+ }
+}
+EXPORT_SYMBOL(mxc_gpio_mode);
+
+int mxc_gpio_setup_multiple_pins(const int *pin_list, unsigned count,
+ int alloc_mode, const char *label)
+{
+ const int *p = pin_list;
+ int i;
+ unsigned gpio;
+ unsigned mode;
+
+ for (i = 0; i < count; i++) {
+ gpio = *p & (GPIO_PIN_MASK | GPIO_PORT_MASK);
+ mode = *p & ~(GPIO_PIN_MASK | GPIO_PORT_MASK);
+
+ if (gpio >= (GPIO_PORT_MAX + 1) * 32)
+ goto setup_error;
+
+ if (alloc_mode & MXC_GPIO_ALLOC_MODE_RELEASE)
+ gpio_free(gpio);
+ else if (!(alloc_mode & MXC_GPIO_ALLOC_MODE_NO_ALLOC))
+ if (gpio_request(gpio, label)
+ && !(alloc_mode & MXC_GPIO_ALLOC_MODE_TRY_ALLOC))
+ goto setup_error;
+
+ if (!(alloc_mode & (MXC_GPIO_ALLOC_MODE_ALLOC_ONLY |
+ MXC_GPIO_ALLOC_MODE_RELEASE)))
+ mxc_gpio_mode(gpio | mode);
+
+ p++;
+ }
+ return 0;
+
+setup_error:
+ if (alloc_mode & (MXC_GPIO_ALLOC_MODE_NO_ALLOC |
+ MXC_GPIO_ALLOC_MODE_TRY_ALLOC))
+ return -EINVAL;
+
+ while (p != pin_list) {
+ p--;
+ gpio = *p & (GPIO_PIN_MASK | GPIO_PORT_MASK);
+ gpio_free(gpio);
+ }
+
+ return -EINVAL;
+}
+EXPORT_SYMBOL(mxc_gpio_setup_multiple_pins);
+
diff --git a/arch/arm/plat-mxc/irq.c b/arch/arm/plat-mxc/irq.c
index 2ad5a6917b3..1fbe01da692 100644
--- a/arch/arm/plat-mxc/irq.c
+++ b/arch/arm/plat-mxc/irq.c
@@ -1,24 +1,59 @@
/*
- * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2008 Juergen Beisert, kernel@pengutronix.de
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
*/
-/*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/init.h>
-#include <linux/device.h>
-#include <linux/errno.h>
-#include <asm/hardware.h>
+#include <linux/irq.h>
#include <asm/io.h>
-#include <asm/irq.h>
-#include <asm/mach/irq.h>
#include <asm/arch/common.h>
+#define AVIC_BASE IO_ADDRESS(AVIC_BASE_ADDR)
+#define AVIC_INTCNTL (AVIC_BASE + 0x00) /* int control reg */
+#define AVIC_NIMASK (AVIC_BASE + 0x04) /* int mask reg */
+#define AVIC_INTENNUM (AVIC_BASE + 0x08) /* int enable number reg */
+#define AVIC_INTDISNUM (AVIC_BASE + 0x0C) /* int disable number reg */
+#define AVIC_INTENABLEH (AVIC_BASE + 0x10) /* int enable reg high */
+#define AVIC_INTENABLEL (AVIC_BASE + 0x14) /* int enable reg low */
+#define AVIC_INTTYPEH (AVIC_BASE + 0x18) /* int type reg high */
+#define AVIC_INTTYPEL (AVIC_BASE + 0x1C) /* int type reg low */
+#define AVIC_NIPRIORITY7 (AVIC_BASE + 0x20) /* norm int priority lvl7 */
+#define AVIC_NIPRIORITY6 (AVIC_BASE + 0x24) /* norm int priority lvl6 */
+#define AVIC_NIPRIORITY5 (AVIC_BASE + 0x28) /* norm int priority lvl5 */
+#define AVIC_NIPRIORITY4 (AVIC_BASE + 0x2C) /* norm int priority lvl4 */
+#define AVIC_NIPRIORITY3 (AVIC_BASE + 0x30) /* norm int priority lvl3 */
+#define AVIC_NIPRIORITY2 (AVIC_BASE + 0x34) /* norm int priority lvl2 */
+#define AVIC_NIPRIORITY1 (AVIC_BASE + 0x38) /* norm int priority lvl1 */
+#define AVIC_NIPRIORITY0 (AVIC_BASE + 0x3C) /* norm int priority lvl0 */
+#define AVIC_NIVECSR (AVIC_BASE + 0x40) /* norm int vector/status */
+#define AVIC_FIVECSR (AVIC_BASE + 0x44) /* fast int vector/status */
+#define AVIC_INTSRCH (AVIC_BASE + 0x48) /* int source reg high */
+#define AVIC_INTSRCL (AVIC_BASE + 0x4C) /* int source reg low */
+#define AVIC_INTFRCH (AVIC_BASE + 0x50) /* int force reg high */
+#define AVIC_INTFRCL (AVIC_BASE + 0x54) /* int force reg low */
+#define AVIC_NIPNDH (AVIC_BASE + 0x58) /* norm int pending high */
+#define AVIC_NIPNDL (AVIC_BASE + 0x5C) /* norm int pending low */
+#define AVIC_FIPNDH (AVIC_BASE + 0x60) /* fast int pending high */
+#define AVIC_FIPNDL (AVIC_BASE + 0x64) /* fast int pending low */
+
+#define SYSTEM_PREV_REG IO_ADDRESS(IIM_BASE_ADDR + 0x20)
+#define SYSTEM_SREV_REG IO_ADDRESS(IIM_BASE_ADDR + 0x24)
+#define IIM_PROD_REV_SH 3
+#define IIM_PROD_REV_LEN 5
+
/* Disable interrupt number "irq" in the AVIC */
static void mxc_mask_irq(unsigned int irq)
{
@@ -32,7 +67,7 @@ static void mxc_unmask_irq(unsigned int irq)
}
static struct irq_chip mxc_avic_chip = {
- .mask_ack = mxc_mask_irq,
+ .ack = mxc_mask_irq,
.mask = mxc_mask_irq,
.unmask = mxc_unmask_irq,
};
@@ -71,5 +106,8 @@ void __init mxc_init_irq(void)
reg |= (0xF << 28);
__raw_writel(reg, AVIC_NIPRIORITY6);
+ /* init architectures chained interrupt handler */
+ mxc_register_gpios();
+
printk(KERN_INFO "MXC IRQ initialized\n");
}
diff --git a/arch/arm/plat-mxc/time.c b/arch/arm/plat-mxc/time.c
new file mode 100644
index 00000000000..3bf86343fdf
--- /dev/null
+++ b/arch/arm/plat-mxc/time.c
@@ -0,0 +1,228 @@
+/*
+ * linux/arch/arm/plat-mxc/time.c
+ *
+ * Copyright (C) 2000-2001 Deep Blue Solutions
+ * Copyright (C) 2002 Shane Nay (shane@minirl.com)
+ * Copyright (C) 2006-2007 Pavel Pisa (ppisa@pikron.com)
+ * Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/clockchips.h>
+#include <linux/clk.h>
+
+#include <asm/hardware.h>
+#include <asm/mach/time.h>
+#include <asm/arch/common.h>
+#include <asm/arch/mxc_timer.h>
+
+static struct clock_event_device clockevent_mxc;
+static enum clock_event_mode clockevent_mode = CLOCK_EVT_MODE_UNUSED;
+
+/* clock source for the timer */
+static struct clk *timer_clk;
+
+/* clock source */
+
+static cycle_t mxc_get_cycles(void)
+{
+ return __raw_readl(TIMER_BASE + MXC_TCN);
+}
+
+static struct clocksource clocksource_mxc = {
+ .name = "mxc_timer1",
+ .rating = 200,
+ .read = mxc_get_cycles,
+ .mask = CLOCKSOURCE_MASK(32),
+ .shift = 20,
+ .flags = CLOCK_SOURCE_IS_CONTINUOUS,
+};
+
+static int __init mxc_clocksource_init(void)
+{
+ unsigned int clock;
+
+ clock = clk_get_rate(timer_clk);
+
+ clocksource_mxc.mult = clocksource_hz2mult(clock,
+ clocksource_mxc.shift);
+ clocksource_register(&clocksource_mxc);
+
+ return 0;
+}
+
+/* clock event */
+
+static int mxc_set_next_event(unsigned long evt,
+ struct clock_event_device *unused)
+{
+ unsigned long tcmp;
+
+ tcmp = __raw_readl(TIMER_BASE + MXC_TCN) + evt;
+ __raw_writel(tcmp, TIMER_BASE + MXC_TCMP);
+
+ return (int)(tcmp - __raw_readl(TIMER_BASE + MXC_TCN)) < 0 ?
+ -ETIME : 0;
+}
+
+#ifdef DEBUG
+static const char *clock_event_mode_label[] = {
+ [CLOCK_EVT_MODE_PERIODIC] = "CLOCK_EVT_MODE_PERIODIC",
+ [CLOCK_EVT_MODE_ONESHOT] = "CLOCK_EVT_MODE_ONESHOT",
+ [CLOCK_EVT_MODE_SHUTDOWN] = "CLOCK_EVT_MODE_SHUTDOWN",
+ [CLOCK_EVT_MODE_UNUSED] = "CLOCK_EVT_MODE_UNUSED"
+};
+#endif /* DEBUG */
+
+static void mxc_set_mode(enum clock_event_mode mode,
+ struct clock_event_device *evt)
+{
+ unsigned long flags;
+
+ /*
+ * The timer interrupt generation is disabled at least
+ * for enough time to call mxc_set_next_event()
+ */
+ local_irq_save(flags);
+
+ /* Disable interrupt in GPT module */
+ gpt_irq_disable();
+
+ if (mode != clockevent_mode) {
+ /* Set event time into far-far future */
+ __raw_writel(__raw_readl(TIMER_BASE + MXC_TCN) - 3,
+ TIMER_BASE + MXC_TCMP);
+ /* Clear pending interrupt */
+ gpt_irq_acknowledge();
+ }
+
+#ifdef DEBUG
+ printk(KERN_INFO "mxc_set_mode: changing mode from %s to %s\n",
+ clock_event_mode_label[clockevent_mode],
+ clock_event_mode_label[mode]);
+#endif /* DEBUG */
+
+ /* Remember timer mode */
+ clockevent_mode = mode;
+ local_irq_restore(flags);
+
+ switch (mode) {
+ case CLOCK_EVT_MODE_PERIODIC:
+ printk(KERN_ERR"mxc_set_mode: Periodic mode is not "
+ "supported for i.MX\n");
+ break;
+ case CLOCK_EVT_MODE_ONESHOT:
+ /*
+ * Do not put overhead of interrupt enable/disable into
+ * mxc_set_next_event(), the core has about 4 minutes
+ * to call mxc_set_next_event() or shutdown clock after
+ * mode switching
+ */
+ local_irq_save(flags);
+ gpt_irq_enable();
+ local_irq_restore(flags);
+ break;
+ case CLOCK_EVT_MODE_SHUTDOWN:
+ case CLOCK_EVT_MODE_UNUSED:
+ case CLOCK_EVT_MODE_RESUME:
+ /* Left event sources disabled, no more interrupts appear */
+ break;
+ }
+}
+
+/*
+ * IRQ handler for the timer
+ */
+static irqreturn_t mxc_timer_interrupt(int irq, void *dev_id)
+{
+ struct clock_event_device *evt = &clockevent_mxc;
+ uint32_t tstat;
+
+ tstat = __raw_readl(TIMER_BASE + MXC_TSTAT);
+
+ gpt_irq_acknowledge();
+
+ evt->event_handler(evt);
+
+ return IRQ_HANDLED;
+}
+
+static struct irqaction mxc_timer_irq = {
+ .name = "i.MX Timer Tick",
+ .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
+ .handler = mxc_timer_interrupt,
+};
+
+static struct clock_event_device clockevent_mxc = {
+ .name = "mxc_timer1",
+ .features = CLOCK_EVT_FEAT_ONESHOT,
+ .shift = 32,
+ .set_mode = mxc_set_mode,
+ .set_next_event = mxc_set_next_event,
+ .rating = 200,
+};
+
+static int __init mxc_clockevent_init(void)
+{
+ unsigned int clock;
+
+ clock = clk_get_rate(timer_clk);
+
+ clockevent_mxc.mult = div_sc(clock, NSEC_PER_SEC,
+ clockevent_mxc.shift);
+ clockevent_mxc.max_delta_ns =
+ clockevent_delta2ns(0xfffffffe, &clockevent_mxc);
+ clockevent_mxc.min_delta_ns =
+ clockevent_delta2ns(0xff, &clockevent_mxc);
+
+ clockevent_mxc.cpumask = cpumask_of_cpu(0);
+
+ clockevents_register_device(&clockevent_mxc);
+
+ return 0;
+}
+
+void __init mxc_timer_init(const char *clk_timer)
+{
+ timer_clk = clk_get(NULL, clk_timer);
+ if (!timer_clk) {
+ printk(KERN_ERR"Cannot determine timer clock. Giving up.\n");
+ return;
+ }
+
+ clk_enable(timer_clk);
+
+ /*
+ * Initialise to a known state (all timers off, and timing reset)
+ */
+ __raw_writel(0, TIMER_BASE + MXC_TCTL);
+ __raw_writel(0, TIMER_BASE + MXC_TPRER); /* see datasheet note */
+
+ __raw_writel(TCTL_FRR | /* free running */
+ TCTL_VAL | /* set clocksource and arch specific bits */
+ TCTL_TEN, /* start the timer */
+ TIMER_BASE + MXC_TCTL);
+
+ /* init and register the timer to the framework */
+ mxc_clocksource_init();
+ mxc_clockevent_init();
+
+ /* Make irqs happen */
+ setup_irq(TIMER_INTERRUPT, &mxc_timer_irq);
+}
+
diff --git a/arch/arm/plat-omap/Makefile b/arch/arm/plat-omap/Makefile
index bc639a30d6d..2c4051cc79a 100644
--- a/arch/arm/plat-omap/Makefile
+++ b/arch/arm/plat-omap/Makefile
@@ -3,7 +3,7 @@
#
# Common support
-obj-y := common.o sram.o sram-fn.o clock.o devices.o dma.o mux.o gpio.o \
+obj-y := common.o sram.o clock.o devices.o dma.o mux.o gpio.o \
usb.o fb.o
obj-m :=
obj-n :=
diff --git a/arch/arm/plat-omap/clock.c b/arch/arm/plat-omap/clock.c
index 2db5580048d..c2e741de020 100644
--- a/arch/arm/plat-omap/clock.c
+++ b/arch/arm/plat-omap/clock.c
@@ -1,7 +1,7 @@
/*
* linux/arch/arm/plat-omap/clock.c
*
- * Copyright (C) 2004 - 2005 Nokia corporation
+ * Copyright (C) 2004 - 2008 Nokia corporation
* Written by Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com>
*
* Modified for omap shared clock framework by Tony Lindgren <tony@atomide.com>
@@ -22,6 +22,7 @@
#include <linux/mutex.h>
#include <linux/platform_device.h>
#include <linux/cpufreq.h>
+#include <linux/debugfs.h>
#include <asm/io.h>
@@ -33,41 +34,6 @@ static DEFINE_SPINLOCK(clockfw_lock);
static struct clk_functions *arch_clock;
-#ifdef CONFIG_PM_DEBUG
-
-static void print_parents(struct clk *clk)
-{
- struct clk *p;
- int printed = 0;
-
- list_for_each_entry(p, &clocks, node) {
- if (p->parent == clk && p->usecount) {
- if (!clk->usecount && !printed) {
- printk("MISMATCH: %s\n", clk->name);
- printed = 1;
- }
- printk("\t%-15s\n", p->name);
- }
- }
-}
-
-void clk_print_usecounts(void)
-{
- unsigned long flags;
- struct clk *p;
-
- spin_lock_irqsave(&clockfw_lock, flags);
- list_for_each_entry(p, &clocks, node) {
- if (p->usecount)
- printk("%-15s: %d\n", p->name, p->usecount);
- print_parents(p);
-
- }
- spin_unlock_irqrestore(&clockfw_lock, flags);
-}
-
-#endif
-
/*-------------------------------------------------------------------------
* Standard clock functions defined in include/linux/clk.h
*-------------------------------------------------------------------------*/
@@ -446,3 +412,93 @@ int __init clk_init(struct clk_functions * custom_clocks)
return 0;
}
+#if defined(CONFIG_PM_DEBUG) && defined(CONFIG_DEBUG_FS)
+/*
+ * debugfs support to trace clock tree hierarchy and attributes
+ */
+static struct dentry *clk_debugfs_root;
+
+static int clk_debugfs_register_one(struct clk *c)
+{
+ int err;
+ struct dentry *d, *child;
+ struct clk *pa = c->parent;
+ char s[255];
+ char *p = s;
+
+ p += sprintf(p, "%s", c->name);
+ if (c->id != 0)
+ sprintf(p, ":%d", c->id);
+ d = debugfs_create_dir(s, pa ? pa->dent : clk_debugfs_root);
+ if (IS_ERR(d))
+ return PTR_ERR(d);
+ c->dent = d;
+
+ d = debugfs_create_u8("usecount", S_IRUGO, c->dent, (u8 *)&c->usecount);
+ if (IS_ERR(d)) {
+ err = PTR_ERR(d);
+ goto err_out;
+ }
+ d = debugfs_create_u32("rate", S_IRUGO, c->dent, (u32 *)&c->rate);
+ if (IS_ERR(d)) {
+ err = PTR_ERR(d);
+ goto err_out;
+ }
+ d = debugfs_create_x32("flags", S_IRUGO, c->dent, (u32 *)&c->flags);
+ if (IS_ERR(d)) {
+ err = PTR_ERR(d);
+ goto err_out;
+ }
+ return 0;
+
+err_out:
+ d = c->dent;
+ list_for_each_entry(child, &d->d_subdirs, d_u.d_child)
+ debugfs_remove(child);
+ debugfs_remove(c->dent);
+ return err;
+}
+
+static int clk_debugfs_register(struct clk *c)
+{
+ int err;
+ struct clk *pa = c->parent;
+
+ if (pa && !pa->dent) {
+ err = clk_debugfs_register(pa);
+ if (err)
+ return err;
+ }
+
+ if (!c->dent) {
+ err = clk_debugfs_register_one(c);
+ if (err)
+ return err;
+ }
+ return 0;
+}
+
+static int __init clk_debugfs_init(void)
+{
+ struct clk *c;
+ struct dentry *d;
+ int err;
+
+ d = debugfs_create_dir("clock", NULL);
+ if (IS_ERR(d))
+ return PTR_ERR(d);
+ clk_debugfs_root = d;
+
+ list_for_each_entry(c, &clocks, node) {
+ err = clk_debugfs_register(c);
+ if (err)
+ goto err_out;
+ }
+ return 0;
+err_out:
+ debugfs_remove(clk_debugfs_root); /* REVISIT: Cleanup correctly */
+ return err;
+}
+late_initcall(clk_debugfs_init);
+
+#endif /* defined(CONFIG_PM_DEBUG) && defined(CONFIG_DEBUG_FS) */
diff --git a/arch/arm/plat-omap/common.c b/arch/arm/plat-omap/common.c
index bd1cef2c3c1..8d04929a3c7 100644
--- a/arch/arm/plat-omap/common.c
+++ b/arch/arm/plat-omap/common.c
@@ -26,6 +26,7 @@
#include <asm/io.h>
#include <asm/setup.h>
+#include <asm/arch/common.h>
#include <asm/arch/board.h>
#include <asm/arch/control.h>
#include <asm/arch/mux.h>
@@ -241,30 +242,70 @@ arch_initcall(omap_init_clocksource_32k);
/* Global address base setup code */
+#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)
+
+static struct omap_globals *omap2_globals;
+
+static void __init __omap2_set_globals(void)
+{
+ omap2_set_globals_memory(omap2_globals);
+ omap2_set_globals_control(omap2_globals);
+ omap2_set_globals_prcm(omap2_globals);
+}
+
+#endif
+
#if defined(CONFIG_ARCH_OMAP2420)
+
+static struct omap_globals omap242x_globals = {
+ .tap = (__force void __iomem *)OMAP2_IO_ADDRESS(0x48014000),
+ .sdrc = (__force void __iomem *)OMAP2_IO_ADDRESS(OMAP2420_SDRC_BASE),
+ .sms = (__force void __iomem *)OMAP2_IO_ADDRESS(OMAP2420_SMS_BASE),
+ .ctrl = (__force void __iomem *)OMAP2_IO_ADDRESS(OMAP2420_CTRL_BASE),
+ .prm = (__force void __iomem *)OMAP2_IO_ADDRESS(OMAP2420_PRM_BASE),
+ .cm = (__force void __iomem *)OMAP2_IO_ADDRESS(OMAP2420_CM_BASE),
+};
+
void __init omap2_set_globals_242x(void)
{
- omap2_sdrc_base = OMAP2420_SDRC_BASE;
- omap2_sms_base = OMAP2420_SMS_BASE;
- omap_ctrl_base_set(OMAP2420_CTRL_BASE);
+ omap2_globals = &omap242x_globals;
+ __omap2_set_globals();
}
#endif
#if defined(CONFIG_ARCH_OMAP2430)
+
+static struct omap_globals omap243x_globals = {
+ .tap = (__force void __iomem *)OMAP2_IO_ADDRESS(0x4900a000),
+ .sdrc = (__force void __iomem *)OMAP2_IO_ADDRESS(OMAP243X_SDRC_BASE),
+ .sms = (__force void __iomem *)OMAP2_IO_ADDRESS(OMAP243X_SMS_BASE),
+ .ctrl = (__force void __iomem *)OMAP2_IO_ADDRESS(OMAP243X_CTRL_BASE),
+ .prm = (__force void __iomem *)OMAP2_IO_ADDRESS(OMAP2430_PRM_BASE),
+ .cm = (__force void __iomem *)OMAP2_IO_ADDRESS(OMAP2430_CM_BASE),
+};
+
void __init omap2_set_globals_243x(void)
{
- omap2_sdrc_base = OMAP243X_SDRC_BASE;
- omap2_sms_base = OMAP243X_SMS_BASE;
- omap_ctrl_base_set(OMAP243X_CTRL_BASE);
+ omap2_globals = &omap243x_globals;
+ __omap2_set_globals();
}
#endif
#if defined(CONFIG_ARCH_OMAP3430)
+
+static struct omap_globals omap343x_globals = {
+ .tap = (__force void __iomem *)OMAP2_IO_ADDRESS(0x4830A000),
+ .sdrc = (__force void __iomem *)OMAP2_IO_ADDRESS(OMAP343X_SDRC_BASE),
+ .sms = (__force void __iomem *)OMAP2_IO_ADDRESS(OMAP343X_SMS_BASE),
+ .ctrl = (__force void __iomem *)OMAP2_IO_ADDRESS(OMAP343X_CTRL_BASE),
+ .prm = (__force void __iomem *)OMAP2_IO_ADDRESS(OMAP3430_PRM_BASE),
+ .cm = (__force void __iomem *)OMAP2_IO_ADDRESS(OMAP3430_CM_BASE),
+};
+
void __init omap2_set_globals_343x(void)
{
- omap2_sdrc_base = OMAP343X_SDRC_BASE;
- omap2_sms_base = OMAP343X_SMS_BASE;
- omap_ctrl_base_set(OMAP343X_CTRL_BASE);
+ omap2_globals = &omap343x_globals;
+ __omap2_set_globals();
}
#endif
diff --git a/arch/arm/plat-omap/devices.c b/arch/arm/plat-omap/devices.c
index 4a53f9ba6c4..81002b722da 100644
--- a/arch/arm/plat-omap/devices.c
+++ b/arch/arm/plat-omap/devices.c
@@ -24,6 +24,7 @@
#include <asm/arch/mux.h>
#include <asm/arch/gpio.h>
#include <asm/arch/menelaus.h>
+#include <asm/arch/mcbsp.h>
#if defined(CONFIG_OMAP_DSP) || defined(CONFIG_OMAP_DSP_MODULE)
@@ -145,6 +146,53 @@ static inline void omap_init_kp(void) {}
#endif
/*-------------------------------------------------------------------------*/
+#if defined(CONFIG_OMAP_MCBSP) || defined(CONFIG_OMAP_MCBSP_MODULE)
+
+static struct platform_device **omap_mcbsp_devices;
+
+void omap_mcbsp_register_board_cfg(struct omap_mcbsp_platform_data *config,
+ int size)
+{
+ int i;
+
+ if (size > OMAP_MAX_MCBSP_COUNT) {
+ printk(KERN_WARNING "Registered too many McBSPs platform_data."
+ " Using maximum (%d) available.\n",
+ OMAP_MAX_MCBSP_COUNT);
+ size = OMAP_MAX_MCBSP_COUNT;
+ }
+
+ omap_mcbsp_devices = kzalloc(size * sizeof(struct platform_device *),
+ GFP_KERNEL);
+ if (!omap_mcbsp_devices) {
+ printk(KERN_ERR "Could not register McBSP devices\n");
+ return;
+ }
+
+ for (i = 0; i < size; i++) {
+ struct platform_device *new_mcbsp;
+ int ret;
+
+ new_mcbsp = platform_device_alloc("omap-mcbsp", i + 1);
+ if (!new_mcbsp)
+ continue;
+ new_mcbsp->dev.platform_data = &config[i];
+ ret = platform_device_add(new_mcbsp);
+ if (ret) {
+ platform_device_put(new_mcbsp);
+ continue;
+ }
+ omap_mcbsp_devices[i] = new_mcbsp;
+ }
+}
+
+#else
+void omap_mcbsp_register_board_cfg(struct omap_mcbsp_platform_data *config,
+ int size)
+{ }
+#endif
+
+/*-------------------------------------------------------------------------*/
#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c
index 39c637b0ffe..fac8e994f58 100644
--- a/arch/arm/plat-omap/dma.c
+++ b/arch/arm/plat-omap/dma.c
@@ -1,7 +1,7 @@
/*
* linux/arch/arm/plat-omap/dma.c
*
- * Copyright (C) 2003 Nokia Corporation
+ * Copyright (C) 2003 - 2008 Nokia Corporation
* Author: Juha Yrjölä <juha.yrjola@nokia.com>
* DMA channel linking for 1610 by Samuel Ortiz <samuel.ortiz@nokia.com>
* Graphics DMA and LCD DMA graphics tranformations
@@ -25,11 +25,11 @@
#include <linux/errno.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
+#include <linux/io.h>
#include <asm/system.h>
#include <asm/hardware.h>
#include <asm/dma.h>
-#include <asm/io.h>
#include <asm/arch/tc.h>
@@ -43,13 +43,13 @@ enum { DMA_CH_ALLOC_DONE, DMA_CH_PARAMS_SET_DONE, DMA_CH_STARTED,
enum { DMA_CHAIN_STARTED, DMA_CHAIN_NOTSTARTED };
#endif
-#define OMAP_DMA_ACTIVE 0x01
-#define OMAP_DMA_CCR_EN (1 << 7)
+#define OMAP_DMA_ACTIVE 0x01
+#define OMAP_DMA_CCR_EN (1 << 7)
#define OMAP2_DMA_CSR_CLEAR_MASK 0xffe
-#define OMAP_FUNC_MUX_ARM_BASE (0xfffe1000 + 0xec)
+#define OMAP_FUNC_MUX_ARM_BASE (0xfffe1000 + 0xec)
-static int enable_1510_mode = 0;
+static int enable_1510_mode;
struct omap_dma_lch {
int next_lch;
@@ -57,7 +57,7 @@ struct omap_dma_lch {
u16 saved_csr;
u16 enabled_irqs;
const char *dev_name;
- void (* callback)(int lch, u16 ch_status, void *data);
+ void (*callback)(int lch, u16 ch_status, void *data);
void *data;
#ifndef CONFIG_ARCH_OMAP1
@@ -72,7 +72,6 @@ struct omap_dma_lch {
long flags;
};
-#ifndef CONFIG_ARCH_OMAP1
struct dma_link_info {
int *linked_dmach_q;
int no_of_lchs_linked;
@@ -86,7 +85,9 @@ struct dma_link_info {
};
-static struct dma_link_info dma_linked_lch[OMAP_LOGICAL_DMA_CH_COUNT];
+static struct dma_link_info *dma_linked_lch;
+
+#ifndef CONFIG_ARCH_OMAP1
/* Chain handling macros */
#define OMAP_DMA_CHAIN_QINIT(chain_id) \
@@ -119,12 +120,15 @@ static struct dma_link_info dma_linked_lch[OMAP_LOGICAL_DMA_CH_COUNT];
dma_linked_lch[chain_id].q_count++; \
} while (0)
#endif
+
+static int dma_lch_count;
static int dma_chan_count;
static spinlock_t dma_chan_lock;
-static struct omap_dma_lch dma_chan[OMAP_LOGICAL_DMA_CH_COUNT];
+static struct omap_dma_lch *dma_chan;
+static void __iomem *omap_dma_base;
-static const u8 omap1_dma_irq[OMAP_LOGICAL_DMA_CH_COUNT] = {
+static const u8 omap1_dma_irq[OMAP1_LOGICAL_DMA_CH_COUNT] = {
INT_DMA_CH0_6, INT_DMA_CH1_7, INT_DMA_CH2_8, INT_DMA_CH3,
INT_DMA_CH4, INT_DMA_CH5, INT_1610_DMA_CH6, INT_1610_DMA_CH7,
INT_1610_DMA_CH8, INT_1610_DMA_CH9, INT_1610_DMA_CH10,
@@ -139,6 +143,24 @@ static inline void omap_enable_channel_irq(int lch);
#define REVISIT_24XX() printk(KERN_ERR "FIXME: no %s on 24xx\n", \
__func__);
+#define dma_read(reg) \
+({ \
+ u32 __val; \
+ if (cpu_class_is_omap1()) \
+ __val = __raw_readw(omap_dma_base + OMAP1_DMA_##reg); \
+ else \
+ __val = __raw_readl(omap_dma_base + OMAP_DMA4_##reg); \
+ __val; \
+})
+
+#define dma_write(val, reg) \
+({ \
+ if (cpu_class_is_omap1()) \
+ __raw_writew((u16)(val), omap_dma_base + OMAP1_DMA_##reg); \
+ else \
+ __raw_writel((val), omap_dma_base + OMAP_DMA4_##reg); \
+})
+
#ifdef CONFIG_ARCH_OMAP15XX
/* Returns 1 if the DMA module is in OMAP1510-compatible mode, 0 otherwise */
int omap_dma_in_1510_mode(void)
@@ -173,13 +195,14 @@ static inline void set_gdma_dev(int req, int dev)
#define set_gdma_dev(req, dev) do {} while (0)
#endif
+/* Omap1 only */
static void clear_lch_regs(int lch)
{
int i;
- u32 lch_base = OMAP_DMA_BASE + lch * 0x40;
+ void __iomem *lch_base = omap_dma_base + OMAP1_DMA_CH_BASE(lch);
for (i = 0; i < 0x2c; i += 2)
- omap_writew(0, lch_base + i);
+ __raw_writew(0, lch_base + i);
}
void omap_set_dma_priority(int lch, int dst_port, int priority)
@@ -212,33 +235,49 @@ void omap_set_dma_priority(int lch, int dst_port, int priority)
}
if (cpu_class_is_omap2()) {
+ u32 ccr;
+
+ ccr = dma_read(CCR(lch));
if (priority)
- OMAP_DMA_CCR_REG(lch) |= (1 << 6);
+ ccr |= (1 << 6);
else
- OMAP_DMA_CCR_REG(lch) &= ~(1 << 6);
+ ccr &= ~(1 << 6);
+ dma_write(ccr, CCR(lch));
}
}
+EXPORT_SYMBOL(omap_set_dma_priority);
void omap_set_dma_transfer_params(int lch, int data_type, int elem_count,
int frame_count, int sync_mode,
int dma_trigger, int src_or_dst_synch)
{
- OMAP_DMA_CSDP_REG(lch) &= ~0x03;
- OMAP_DMA_CSDP_REG(lch) |= data_type;
+ u32 l;
+
+ l = dma_read(CSDP(lch));
+ l &= ~0x03;
+ l |= data_type;
+ dma_write(l, CSDP(lch));
if (cpu_class_is_omap1()) {
- OMAP_DMA_CCR_REG(lch) &= ~(1 << 5);
+ u16 ccr;
+
+ ccr = dma_read(CCR(lch));
+ ccr &= ~(1 << 5);
if (sync_mode == OMAP_DMA_SYNC_FRAME)
- OMAP_DMA_CCR_REG(lch) |= 1 << 5;
+ ccr |= 1 << 5;
+ dma_write(ccr, CCR(lch));
- OMAP1_DMA_CCR2_REG(lch) &= ~(1 << 2);
+ ccr = dma_read(CCR2(lch));
+ ccr &= ~(1 << 2);
if (sync_mode == OMAP_DMA_SYNC_BLOCK)
- OMAP1_DMA_CCR2_REG(lch) |= 1 << 2;
+ ccr |= 1 << 2;
+ dma_write(ccr, CCR2(lch));
}
if (cpu_class_is_omap2() && dma_trigger) {
- u32 val = OMAP_DMA_CCR_REG(lch);
+ u32 val;
+ val = dma_read(CCR(lch));
val &= ~(3 << 19);
if (dma_trigger > 63)
val |= 1 << 20;
@@ -263,12 +302,13 @@ void omap_set_dma_transfer_params(int lch, int data_type, int elem_count,
else
val &= ~(1 << 24); /* dest synch */
- OMAP_DMA_CCR_REG(lch) = val;
+ dma_write(val, CCR(lch));
}
- OMAP_DMA_CEN_REG(lch) = elem_count;
- OMAP_DMA_CFN_REG(lch) = frame_count;
+ dma_write(elem_count, CEN(lch));
+ dma_write(frame_count, CFN(lch));
}
+EXPORT_SYMBOL(omap_set_dma_transfer_params);
void omap_set_dma_color_mode(int lch, enum omap_dma_color_mode mode, u32 color)
{
@@ -281,7 +321,9 @@ void omap_set_dma_color_mode(int lch, enum omap_dma_color_mode mode, u32 color)
return;
}
- w = OMAP1_DMA_CCR2_REG(lch) & ~0x03;
+ w = dma_read(CCR2(lch));
+ w &= ~0x03;
+
switch (mode) {
case OMAP_DMA_CONSTANT_FILL:
w |= 0x01;
@@ -294,52 +336,81 @@ void omap_set_dma_color_mode(int lch, enum omap_dma_color_mode mode, u32 color)
default:
BUG();
}
- OMAP1_DMA_CCR2_REG(lch) = w;
+ dma_write(w, CCR2(lch));
- w = OMAP1_DMA_LCH_CTRL_REG(lch) & ~0x0f;
+ w = dma_read(LCH_CTRL(lch));
+ w &= ~0x0f;
/* Default is channel type 2D */
if (mode) {
- OMAP1_DMA_COLOR_L_REG(lch) = (u16)color;
- OMAP1_DMA_COLOR_U_REG(lch) = (u16)(color >> 16);
+ dma_write((u16)color, COLOR_L(lch));
+ dma_write((u16)(color >> 16), COLOR_U(lch));
w |= 1; /* Channel type G */
}
- OMAP1_DMA_LCH_CTRL_REG(lch) = w;
+ dma_write(w, LCH_CTRL(lch));
}
+EXPORT_SYMBOL(omap_set_dma_color_mode);
void omap_set_dma_write_mode(int lch, enum omap_dma_write_mode mode)
{
if (cpu_class_is_omap2()) {
- OMAP_DMA_CSDP_REG(lch) &= ~(0x3 << 16);
- OMAP_DMA_CSDP_REG(lch) |= (mode << 16);
+ u32 csdp;
+
+ csdp = dma_read(CSDP(lch));
+ csdp &= ~(0x3 << 16);
+ csdp |= (mode << 16);
+ dma_write(csdp, CSDP(lch));
+ }
+}
+EXPORT_SYMBOL(omap_set_dma_write_mode);
+
+void omap_set_dma_channel_mode(int lch, enum omap_dma_channel_mode mode)
+{
+ if (cpu_class_is_omap1() && !cpu_is_omap15xx()) {
+ u32 l;
+
+ l = dma_read(LCH_CTRL(lch));
+ l &= ~0x7;
+ l |= mode;
+ dma_write(l, LCH_CTRL(lch));
}
}
+EXPORT_SYMBOL(omap_set_dma_channel_mode);
/* Note that src_port is only for omap1 */
void omap_set_dma_src_params(int lch, int src_port, int src_amode,
unsigned long src_start,
int src_ei, int src_fi)
{
+ u32 l;
+
if (cpu_class_is_omap1()) {
- OMAP_DMA_CSDP_REG(lch) &= ~(0x1f << 2);
- OMAP_DMA_CSDP_REG(lch) |= src_port << 2;
+ u16 w;
+
+ w = dma_read(CSDP(lch));
+ w &= ~(0x1f << 2);
+ w |= src_port << 2;
+ dma_write(w, CSDP(lch));
}
- OMAP_DMA_CCR_REG(lch) &= ~(0x03 << 12);
- OMAP_DMA_CCR_REG(lch) |= src_amode << 12;
+ l = dma_read(CCR(lch));
+ l &= ~(0x03 << 12);
+ l |= src_amode << 12;
+ dma_write(l, CCR(lch));
if (cpu_class_is_omap1()) {
- OMAP1_DMA_CSSA_U_REG(lch) = src_start >> 16;
- OMAP1_DMA_CSSA_L_REG(lch) = src_start;
+ dma_write(src_start >> 16, CSSA_U(lch));
+ dma_write((u16)src_start, CSSA_L(lch));
}
if (cpu_class_is_omap2())
- OMAP2_DMA_CSSA_REG(lch) = src_start;
+ dma_write(src_start, CSSA(lch));
- OMAP_DMA_CSEI_REG(lch) = src_ei;
- OMAP_DMA_CSFI_REG(lch) = src_fi;
+ dma_write(src_ei, CSEI(lch));
+ dma_write(src_fi, CSFI(lch));
}
+EXPORT_SYMBOL(omap_set_dma_src_params);
-void omap_set_dma_params(int lch, struct omap_dma_channel_params * params)
+void omap_set_dma_params(int lch, struct omap_dma_channel_params *params)
{
omap_set_dma_transfer_params(lch, params->data_type,
params->elem_count, params->frame_count,
@@ -356,28 +427,37 @@ void omap_set_dma_params(int lch, struct omap_dma_channel_params * params)
omap_dma_set_prio_lch(lch, params->read_prio,
params->write_prio);
}
+EXPORT_SYMBOL(omap_set_dma_params);
void omap_set_dma_src_index(int lch, int eidx, int fidx)
{
- if (cpu_class_is_omap2()) {
- REVISIT_24XX();
+ if (cpu_class_is_omap2())
return;
- }
- OMAP_DMA_CSEI_REG(lch) = eidx;
- OMAP_DMA_CSFI_REG(lch) = fidx;
+
+ dma_write(eidx, CSEI(lch));
+ dma_write(fidx, CSFI(lch));
}
+EXPORT_SYMBOL(omap_set_dma_src_index);
void omap_set_dma_src_data_pack(int lch, int enable)
{
- OMAP_DMA_CSDP_REG(lch) &= ~(1 << 6);
+ u32 l;
+
+ l = dma_read(CSDP(lch));
+ l &= ~(1 << 6);
if (enable)
- OMAP_DMA_CSDP_REG(lch) |= (1 << 6);
+ l |= (1 << 6);
+ dma_write(l, CSDP(lch));
}
+EXPORT_SYMBOL(omap_set_dma_src_data_pack);
void omap_set_dma_src_burst_mode(int lch, enum omap_dma_burst_mode burst_mode)
{
unsigned int burst = 0;
- OMAP_DMA_CSDP_REG(lch) &= ~(0x03 << 7);
+ u32 l;
+
+ l = dma_read(CSDP(lch));
+ l &= ~(0x03 << 7);
switch (burst_mode) {
case OMAP_DMA_DATA_BURST_DIS:
@@ -408,55 +488,73 @@ void omap_set_dma_src_burst_mode(int lch, enum omap_dma_burst_mode burst_mode)
default:
BUG();
}
- OMAP_DMA_CSDP_REG(lch) |= (burst << 7);
+
+ l |= (burst << 7);
+ dma_write(l, CSDP(lch));
}
+EXPORT_SYMBOL(omap_set_dma_src_burst_mode);
/* Note that dest_port is only for OMAP1 */
void omap_set_dma_dest_params(int lch, int dest_port, int dest_amode,
unsigned long dest_start,
int dst_ei, int dst_fi)
{
+ u32 l;
+
if (cpu_class_is_omap1()) {
- OMAP_DMA_CSDP_REG(lch) &= ~(0x1f << 9);
- OMAP_DMA_CSDP_REG(lch) |= dest_port << 9;
+ l = dma_read(CSDP(lch));
+ l &= ~(0x1f << 9);
+ l |= dest_port << 9;
+ dma_write(l, CSDP(lch));
}
- OMAP_DMA_CCR_REG(lch) &= ~(0x03 << 14);
- OMAP_DMA_CCR_REG(lch) |= dest_amode << 14;
+ l = dma_read(CCR(lch));
+ l &= ~(0x03 << 14);
+ l |= dest_amode << 14;
+ dma_write(l, CCR(lch));
if (cpu_class_is_omap1()) {
- OMAP1_DMA_CDSA_U_REG(lch) = dest_start >> 16;
- OMAP1_DMA_CDSA_L_REG(lch) = dest_start;
+ dma_write(dest_start >> 16, CDSA_U(lch));
+ dma_write(dest_start, CDSA_L(lch));
}
if (cpu_class_is_omap2())
- OMAP2_DMA_CDSA_REG(lch) = dest_start;
+ dma_write(dest_start, CDSA(lch));
- OMAP_DMA_CDEI_REG(lch) = dst_ei;
- OMAP_DMA_CDFI_REG(lch) = dst_fi;
+ dma_write(dst_ei, CDEI(lch));
+ dma_write(dst_fi, CDFI(lch));
}
+EXPORT_SYMBOL(omap_set_dma_dest_params);
void omap_set_dma_dest_index(int lch, int eidx, int fidx)
{
- if (cpu_class_is_omap2()) {
- REVISIT_24XX();
+ if (cpu_class_is_omap2())
return;
- }
- OMAP_DMA_CDEI_REG(lch) = eidx;
- OMAP_DMA_CDFI_REG(lch) = fidx;
+
+ dma_write(eidx, CDEI(lch));
+ dma_write(fidx, CDFI(lch));
}
+EXPORT_SYMBOL(omap_set_dma_dest_index);
void omap_set_dma_dest_data_pack(int lch, int enable)
{
- OMAP_DMA_CSDP_REG(lch) &= ~(1 << 13);
+ u32 l;
+
+ l = dma_read(CSDP(lch));
+ l &= ~(1 << 13);
if (enable)
- OMAP_DMA_CSDP_REG(lch) |= 1 << 13;
+ l |= 1 << 13;
+ dma_write(l, CSDP(lch));
}
+EXPORT_SYMBOL(omap_set_dma_dest_data_pack);
void omap_set_dma_dest_burst_mode(int lch, enum omap_dma_burst_mode burst_mode)
{
unsigned int burst = 0;
- OMAP_DMA_CSDP_REG(lch) &= ~(0x03 << 14);
+ u32 l;
+
+ l = dma_read(CSDP(lch));
+ l &= ~(0x03 << 14);
switch (burst_mode) {
case OMAP_DMA_DATA_BURST_DIS:
@@ -486,8 +584,10 @@ void omap_set_dma_dest_burst_mode(int lch, enum omap_dma_burst_mode burst_mode)
BUG();
return;
}
- OMAP_DMA_CSDP_REG(lch) |= (burst << 14);
+ l |= (burst << 14);
+ dma_write(l, CSDP(lch));
}
+EXPORT_SYMBOL(omap_set_dma_dest_burst_mode);
static inline void omap_enable_channel_irq(int lch)
{
@@ -495,62 +595,74 @@ static inline void omap_enable_channel_irq(int lch)
/* Clear CSR */
if (cpu_class_is_omap1())
- status = OMAP_DMA_CSR_REG(lch);
+ status = dma_read(CSR(lch));
else if (cpu_class_is_omap2())
- OMAP_DMA_CSR_REG(lch) = OMAP2_DMA_CSR_CLEAR_MASK;
+ dma_write(OMAP2_DMA_CSR_CLEAR_MASK, CSR(lch));
/* Enable some nice interrupts. */
- OMAP_DMA_CICR_REG(lch) = dma_chan[lch].enabled_irqs;
+ dma_write(dma_chan[lch].enabled_irqs, CICR(lch));
}
static void omap_disable_channel_irq(int lch)
{
if (cpu_class_is_omap2())
- OMAP_DMA_CICR_REG(lch) = 0;
+ dma_write(0, CICR(lch));
}
void omap_enable_dma_irq(int lch, u16 bits)
{
dma_chan[lch].enabled_irqs |= bits;
}
+EXPORT_SYMBOL(omap_enable_dma_irq);
void omap_disable_dma_irq(int lch, u16 bits)
{
dma_chan[lch].enabled_irqs &= ~bits;
}
+EXPORT_SYMBOL(omap_disable_dma_irq);
static inline void enable_lnk(int lch)
{
+ u32 l;
+
+ l = dma_read(CLNK_CTRL(lch));
+
if (cpu_class_is_omap1())
- OMAP_DMA_CLNK_CTRL_REG(lch) &= ~(1 << 14);
+ l &= ~(1 << 14);
/* Set the ENABLE_LNK bits */
if (dma_chan[lch].next_lch != -1)
- OMAP_DMA_CLNK_CTRL_REG(lch) =
- dma_chan[lch].next_lch | (1 << 15);
+ l = dma_chan[lch].next_lch | (1 << 15);
#ifndef CONFIG_ARCH_OMAP1
- if (dma_chan[lch].next_linked_ch != -1)
- OMAP_DMA_CLNK_CTRL_REG(lch) =
- dma_chan[lch].next_linked_ch | (1 << 15);
+ if (cpu_class_is_omap2())
+ if (dma_chan[lch].next_linked_ch != -1)
+ l = dma_chan[lch].next_linked_ch | (1 << 15);
#endif
+
+ dma_write(l, CLNK_CTRL(lch));
}
static inline void disable_lnk(int lch)
{
+ u32 l;
+
+ l = dma_read(CLNK_CTRL(lch));
+
/* Disable interrupts */
if (cpu_class_is_omap1()) {
- OMAP_DMA_CICR_REG(lch) = 0;
+ dma_write(0, CICR(lch));
/* Set the STOP_LNK bit */
- OMAP_DMA_CLNK_CTRL_REG(lch) |= 1 << 14;
+ l |= 1 << 14;
}
if (cpu_class_is_omap2()) {
omap_disable_channel_irq(lch);
/* Clear the ENABLE_LNK bit */
- OMAP_DMA_CLNK_CTRL_REG(lch) &= ~(1 << 15);
+ l &= ~(1 << 15);
}
+ dma_write(l, CLNK_CTRL(lch));
dma_chan[lch].flags &= ~OMAP_DMA_ACTIVE;
}
@@ -561,13 +673,13 @@ static inline void omap2_enable_irq_lch(int lch)
if (!cpu_class_is_omap2())
return;
- val = omap_readl(OMAP_DMA4_IRQENABLE_L0);
+ val = dma_read(IRQENABLE_L0);
val |= 1 << lch;
- omap_writel(val, OMAP_DMA4_IRQENABLE_L0);
+ dma_write(val, IRQENABLE_L0);
}
int omap_request_dma(int dev_id, const char *dev_name,
- void (* callback)(int lch, u16 ch_status, void *data),
+ void (*callback)(int lch, u16 ch_status, void *data),
void *data, int *dma_ch_out)
{
int ch, free_ch = -1;
@@ -600,10 +712,14 @@ int omap_request_dma(int dev_id, const char *dev_name,
chan->dev_name = dev_name;
chan->callback = callback;
chan->data = data;
+
#ifndef CONFIG_ARCH_OMAP1
- chan->chain_id = -1;
- chan->next_linked_ch = -1;
+ if (cpu_class_is_omap2()) {
+ chan->chain_id = -1;
+ chan->next_linked_ch = -1;
+ }
#endif
+
chan->enabled_irqs = OMAP_DMA_DROP_IRQ | OMAP_DMA_BLOCK_IRQ;
if (cpu_class_is_omap1())
@@ -618,26 +734,28 @@ int omap_request_dma(int dev_id, const char *dev_name,
set_gdma_dev(free_ch + 1, dev_id);
dev_id = free_ch + 1;
}
- /* Disable the 1510 compatibility mode and set the sync device
- * id. */
- OMAP_DMA_CCR_REG(free_ch) = dev_id | (1 << 10);
+ /*
+ * Disable the 1510 compatibility mode and set the sync device
+ * id.
+ */
+ dma_write(dev_id | (1 << 10), CCR(free_ch));
} else if (cpu_is_omap730() || cpu_is_omap15xx()) {
- OMAP_DMA_CCR_REG(free_ch) = dev_id;
+ dma_write(dev_id, CCR(free_ch));
}
if (cpu_class_is_omap2()) {
omap2_enable_irq_lch(free_ch);
-
omap_enable_channel_irq(free_ch);
/* Clear the CSR register and IRQ status register */
- OMAP_DMA_CSR_REG(free_ch) = OMAP2_DMA_CSR_CLEAR_MASK;
- omap_writel(1 << free_ch, OMAP_DMA4_IRQSTATUS_L0);
+ dma_write(OMAP2_DMA_CSR_CLEAR_MASK, CSR(free_ch));
+ dma_write(1 << free_ch, IRQSTATUS_L0);
}
*dma_ch_out = free_ch;
return 0;
}
+EXPORT_SYMBOL(omap_request_dma);
void omap_free_dma(int lch)
{
@@ -645,11 +763,12 @@ void omap_free_dma(int lch)
spin_lock_irqsave(&dma_chan_lock, flags);
if (dma_chan[lch].dev_id == -1) {
- printk("omap_dma: trying to free nonallocated DMA channel %d\n",
+ pr_err("omap_dma: trying to free unallocated DMA channel %d\n",
lch);
spin_unlock_irqrestore(&dma_chan_lock, flags);
return;
}
+
dma_chan[lch].dev_id = -1;
dma_chan[lch].next_lch = -1;
dma_chan[lch].callback = NULL;
@@ -657,30 +776,31 @@ void omap_free_dma(int lch)
if (cpu_class_is_omap1()) {
/* Disable all DMA interrupts for the channel. */
- OMAP_DMA_CICR_REG(lch) = 0;
+ dma_write(0, CICR(lch));
/* Make sure the DMA transfer is stopped. */
- OMAP_DMA_CCR_REG(lch) = 0;
+ dma_write(0, CCR(lch));
}
if (cpu_class_is_omap2()) {
u32 val;
/* Disable interrupts */
- val = omap_readl(OMAP_DMA4_IRQENABLE_L0);
+ val = dma_read(IRQENABLE_L0);
val &= ~(1 << lch);
- omap_writel(val, OMAP_DMA4_IRQENABLE_L0);
+ dma_write(val, IRQENABLE_L0);
/* Clear the CSR register and IRQ status register */
- OMAP_DMA_CSR_REG(lch) = OMAP2_DMA_CSR_CLEAR_MASK;
- omap_writel(1 << lch, OMAP_DMA4_IRQSTATUS_L0);
+ dma_write(OMAP2_DMA_CSR_CLEAR_MASK, CSR(lch));
+ dma_write(1 << lch, IRQSTATUS_L0);
/* Disable all DMA interrupts for the channel. */
- OMAP_DMA_CICR_REG(lch) = 0;
+ dma_write(0, CICR(lch));
/* Make sure the DMA transfer is stopped. */
- OMAP_DMA_CCR_REG(lch) = 0;
+ dma_write(0, CCR(lch));
omap_clear_dma(lch);
}
}
+EXPORT_SYMBOL(omap_free_dma);
/**
* @brief omap_dma_set_global_params : Set global priority settings for dma
@@ -708,7 +828,7 @@ omap_dma_set_global_params(int arb_rate, int max_fifo_depth, int tparams)
reg = (arb_rate & 0xff) << 16;
reg |= (0xff & max_fifo_depth);
- omap_writel(reg, OMAP_DMA4_GCR_REG);
+ dma_write(reg, GCR);
}
EXPORT_SYMBOL(omap_dma_set_global_params);
@@ -725,20 +845,21 @@ int
omap_dma_set_prio_lch(int lch, unsigned char read_prio,
unsigned char write_prio)
{
- u32 w;
+ u32 l;
- if (unlikely((lch < 0 || lch >= OMAP_LOGICAL_DMA_CH_COUNT))) {
+ if (unlikely((lch < 0 || lch >= dma_lch_count))) {
printk(KERN_ERR "Invalid channel id\n");
return -EINVAL;
}
- w = OMAP_DMA_CCR_REG(lch);
- w &= ~((1 << 6) | (1 << 26));
+ l = dma_read(CCR(lch));
+ l &= ~((1 << 6) | (1 << 26));
if (cpu_is_omap2430() || cpu_is_omap34xx())
- w |= ((read_prio & 0x1) << 6) | ((write_prio & 0x1) << 26);
+ l |= ((read_prio & 0x1) << 6) | ((write_prio & 0x1) << 26);
else
- w |= ((read_prio & 0x1) << 6);
+ l |= ((read_prio & 0x1) << 6);
+
+ dma_write(l, CCR(lch));
- OMAP_DMA_CCR_REG(lch) = w;
return 0;
}
EXPORT_SYMBOL(omap_dma_set_prio_lch);
@@ -754,28 +875,34 @@ void omap_clear_dma(int lch)
local_irq_save(flags);
if (cpu_class_is_omap1()) {
- int status;
- OMAP_DMA_CCR_REG(lch) &= ~OMAP_DMA_CCR_EN;
+ u32 l;
+
+ l = dma_read(CCR(lch));
+ l &= ~OMAP_DMA_CCR_EN;
+ dma_write(l, CCR(lch));
/* Clear pending interrupts */
- status = OMAP_DMA_CSR_REG(lch);
+ l = dma_read(CSR(lch));
}
if (cpu_class_is_omap2()) {
int i;
- u32 lch_base = OMAP_DMA4_BASE + lch * 0x60 + 0x80;
+ void __iomem *lch_base = omap_dma_base + OMAP_DMA4_CH_BASE(lch);
for (i = 0; i < 0x44; i += 4)
- omap_writel(0, lch_base + i);
+ __raw_writel(0, lch_base + i);
}
local_irq_restore(flags);
}
+EXPORT_SYMBOL(omap_clear_dma);
void omap_start_dma(int lch)
{
+ u32 l;
+
if (!omap_dma_in_1510_mode() && dma_chan[lch].next_lch != -1) {
int next_lch, cur_lch;
- char dma_chan_link_map[OMAP_LOGICAL_DMA_CH_COUNT];
+ char dma_chan_link_map[OMAP_DMA4_LOGICAL_DMA_CH_COUNT];
dma_chan_link_map[lch] = 1;
/* Set the link register of the first channel */
@@ -799,27 +926,34 @@ void omap_start_dma(int lch)
} while (next_lch != -1);
} else if (cpu_class_is_omap2()) {
/* Errata: Need to write lch even if not using chaining */
- OMAP_DMA_CLNK_CTRL_REG(lch) = lch;
+ dma_write(lch, CLNK_CTRL(lch));
}
omap_enable_channel_irq(lch);
- /* Errata: On ES2.0 BUFFERING disable must be set.
- * This will always fail on ES1.0 */
- if (cpu_is_omap24xx()) {
- OMAP_DMA_CCR_REG(lch) |= OMAP_DMA_CCR_EN;
- }
+ l = dma_read(CCR(lch));
+
+ /*
+ * Errata: On ES2.0 BUFFERING disable must be set.
+ * This will always fail on ES1.0
+ */
+ if (cpu_is_omap24xx())
+ l |= OMAP_DMA_CCR_EN;
- OMAP_DMA_CCR_REG(lch) |= OMAP_DMA_CCR_EN;
+ l |= OMAP_DMA_CCR_EN;
+ dma_write(l, CCR(lch));
dma_chan[lch].flags |= OMAP_DMA_ACTIVE;
}
+EXPORT_SYMBOL(omap_start_dma);
void omap_stop_dma(int lch)
{
+ u32 l;
+
if (!omap_dma_in_1510_mode() && dma_chan[lch].next_lch != -1) {
int next_lch, cur_lch = lch;
- char dma_chan_link_map[OMAP_LOGICAL_DMA_CH_COUNT];
+ char dma_chan_link_map[OMAP_DMA4_LOGICAL_DMA_CH_COUNT];
memset(dma_chan_link_map, 0, sizeof(dma_chan_link_map));
do {
@@ -840,18 +974,22 @@ void omap_stop_dma(int lch)
/* Disable all interrupts on the channel */
if (cpu_class_is_omap1())
- OMAP_DMA_CICR_REG(lch) = 0;
+ dma_write(0, CICR(lch));
+
+ l = dma_read(CCR(lch));
+ l &= ~OMAP_DMA_CCR_EN;
+ dma_write(l, CCR(lch));
- OMAP_DMA_CCR_REG(lch) &= ~OMAP_DMA_CCR_EN;
dma_chan[lch].flags &= ~OMAP_DMA_ACTIVE;
}
+EXPORT_SYMBOL(omap_stop_dma);
/*
* Allows changing the DMA callback function or data. This may be needed if
* the driver shares a single DMA channel for multiple dma triggers.
*/
int omap_set_dma_callback(int lch,
- void (* callback)(int lch, u16 ch_status, void *data),
+ void (*callback)(int lch, u16 ch_status, void *data),
void *data)
{
unsigned long flags;
@@ -871,6 +1009,7 @@ int omap_set_dma_callback(int lch,
return 0;
}
+EXPORT_SYMBOL(omap_set_dma_callback);
/*
* Returns current physical source address for the given DMA channel.
@@ -884,15 +1023,24 @@ dma_addr_t omap_get_dma_src_pos(int lch)
{
dma_addr_t offset = 0;
- if (cpu_class_is_omap1())
- offset = (dma_addr_t) (OMAP1_DMA_CSSA_L_REG(lch) |
- (OMAP1_DMA_CSSA_U_REG(lch) << 16));
+ if (cpu_is_omap15xx())
+ offset = dma_read(CPC(lch));
+ else
+ offset = dma_read(CSAC(lch));
- if (cpu_class_is_omap2())
- offset = OMAP_DMA_CSAC_REG(lch);
+ /*
+ * omap 3.2/3.3 erratum: sometimes 0 is returned if CSAC/CDAC is
+ * read before the DMA controller finished disabling the channel.
+ */
+ if (!cpu_is_omap15xx() && offset == 0)
+ offset = dma_read(CSAC(lch));
+
+ if (cpu_class_is_omap1())
+ offset |= (dma_read(CSSA_U(lch)) << 16);
return offset;
}
+EXPORT_SYMBOL(omap_get_dma_src_pos);
/*
* Returns current physical destination address for the given DMA channel.
@@ -906,25 +1054,30 @@ dma_addr_t omap_get_dma_dst_pos(int lch)
{
dma_addr_t offset = 0;
- if (cpu_class_is_omap1())
- offset = (dma_addr_t) (OMAP1_DMA_CDSA_L_REG(lch) |
- (OMAP1_DMA_CDSA_U_REG(lch) << 16));
+ if (cpu_is_omap15xx())
+ offset = dma_read(CPC(lch));
+ else
+ offset = dma_read(CDAC(lch));
- if (cpu_class_is_omap2())
- offset = OMAP_DMA_CDAC_REG(lch);
+ /*
+ * omap 3.2/3.3 erratum: sometimes 0 is returned if CSAC/CDAC is
+ * read before the DMA controller finished disabling the channel.
+ */
+ if (!cpu_is_omap15xx() && offset == 0)
+ offset = dma_read(CDAC(lch));
+
+ if (cpu_class_is_omap1())
+ offset |= (dma_read(CDSA_U(lch)) << 16);
return offset;
}
+EXPORT_SYMBOL(omap_get_dma_dst_pos);
-/*
- * Returns current source transfer counting for the given DMA channel.
- * Can be used to monitor the progress of a transfer inside a block.
- * It must be called with disabled interrupts.
- */
-int omap_get_dma_src_addr_counter(int lch)
+int omap_get_dma_active_status(int lch)
{
- return (dma_addr_t) OMAP_DMA_CSAC_REG(lch);
+ return (dma_read(CCR(lch)) & OMAP_DMA_CCR_EN) != 0;
}
+EXPORT_SYMBOL(omap_get_dma_active_status);
int omap_dma_running(void)
{
@@ -936,7 +1089,7 @@ int omap_dma_running(void)
return 1;
for (lch = 0; lch < dma_chan_count; lch++)
- if (OMAP_DMA_CCR_REG(lch) & OMAP_DMA_CCR_EN)
+ if (dma_read(CCR(lch)) & OMAP_DMA_CCR_EN)
return 1;
return 0;
@@ -947,7 +1100,7 @@ int omap_dma_running(void)
* For this DMA link to start, you still need to start (see omap_start_dma)
* the first one. That will fire up the entire queue.
*/
-void omap_dma_link_lch (int lch_head, int lch_queue)
+void omap_dma_link_lch(int lch_head, int lch_queue)
{
if (omap_dma_in_1510_mode()) {
printk(KERN_ERR "DMA linking is not supported in 1510 mode\n");
@@ -964,11 +1117,12 @@ void omap_dma_link_lch (int lch_head, int lch_queue)
dma_chan[lch_head].next_lch = lch_queue;
}
+EXPORT_SYMBOL(omap_dma_link_lch);
/*
* Once the DMA queue is stopped, we can destroy it.
*/
-void omap_dma_unlink_lch (int lch_head, int lch_queue)
+void omap_dma_unlink_lch(int lch_head, int lch_queue)
{
if (omap_dma_in_1510_mode()) {
printk(KERN_ERR "DMA linking is not supported in 1510 mode\n");
@@ -983,7 +1137,6 @@ void omap_dma_unlink_lch (int lch_head, int lch_queue)
dump_stack();
}
-
if ((dma_chan[lch_head].flags & OMAP_DMA_ACTIVE) ||
(dma_chan[lch_head].flags & OMAP_DMA_ACTIVE)) {
printk(KERN_ERR "omap_dma: You need to stop the DMA channels "
@@ -993,12 +1146,15 @@ void omap_dma_unlink_lch (int lch_head, int lch_queue)
dma_chan[lch_head].next_lch = -1;
}
+EXPORT_SYMBOL(omap_dma_unlink_lch);
+
+/*----------------------------------------------------------------------------*/
#ifndef CONFIG_ARCH_OMAP1
/* Create chain of DMA channesls */
static void create_dma_lch_chain(int lch_head, int lch_queue)
{
- u32 w;
+ u32 l;
/* Check if this is the first link in chain */
if (dma_chan[lch_head].next_linked_ch == -1) {
@@ -1018,15 +1174,15 @@ static void create_dma_lch_chain(int lch_head, int lch_queue)
lch_queue;
}
- w = OMAP_DMA_CLNK_CTRL_REG(lch_head);
- w &= ~(0x1f);
- w |= lch_queue;
- OMAP_DMA_CLNK_CTRL_REG(lch_head) = w;
+ l = dma_read(CLNK_CTRL(lch_head));
+ l &= ~(0x1f);
+ l |= lch_queue;
+ dma_write(l, CLNK_CTRL(lch_head));
- w = OMAP_DMA_CLNK_CTRL_REG(lch_queue);
- w &= ~(0x1f);
- w |= (dma_chan[lch_queue].next_linked_ch);
- OMAP_DMA_CLNK_CTRL_REG(lch_queue) = w;
+ l = dma_read(CLNK_CTRL(lch_queue));
+ l &= ~(0x1f);
+ l |= (dma_chan[lch_queue].next_linked_ch);
+ dma_write(l, CLNK_CTRL(lch_queue));
}
/**
@@ -1061,7 +1217,7 @@ int omap_request_dma_chain(int dev_id, const char *dev_name,
}
if (unlikely((no_of_chans < 1
- || no_of_chans > OMAP_LOGICAL_DMA_CH_COUNT))) {
+ || no_of_chans > dma_lch_count))) {
printk(KERN_ERR "Invalid Number of channels requested\n");
return -EINVAL;
}
@@ -1116,6 +1272,7 @@ int omap_request_dma_chain(int dev_id, const char *dev_name,
for (i = 0; i < (no_of_chans - 1); i++)
create_dma_lch_chain(channels[i], channels[i + 1]);
}
+
return 0;
}
EXPORT_SYMBOL(omap_request_dma_chain);
@@ -1138,7 +1295,7 @@ int omap_modify_dma_chain_params(int chain_id,
/* Check for input params */
if (unlikely((chain_id < 0
- || chain_id >= OMAP_LOGICAL_DMA_CH_COUNT))) {
+ || chain_id >= dma_lch_count))) {
printk(KERN_ERR "Invalid chain id\n");
return -EINVAL;
}
@@ -1158,6 +1315,7 @@ int omap_modify_dma_chain_params(int chain_id,
*/
omap_set_dma_params(channels[i], &params);
}
+
return 0;
}
EXPORT_SYMBOL(omap_modify_dma_chain_params);
@@ -1176,7 +1334,7 @@ int omap_free_dma_chain(int chain_id)
u32 i;
/* Check for input params */
- if (unlikely((chain_id < 0 || chain_id >= OMAP_LOGICAL_DMA_CH_COUNT))) {
+ if (unlikely((chain_id < 0 || chain_id >= dma_lch_count))) {
printk(KERN_ERR "Invalid chain id\n");
return -EINVAL;
}
@@ -1201,6 +1359,7 @@ int omap_free_dma_chain(int chain_id)
dma_linked_lch[chain_id].linked_dmach_q = NULL;
dma_linked_lch[chain_id].chain_mode = -1;
dma_linked_lch[chain_id].chain_state = -1;
+
return (0);
}
EXPORT_SYMBOL(omap_free_dma_chain);
@@ -1216,7 +1375,7 @@ EXPORT_SYMBOL(omap_free_dma_chain);
int omap_dma_chain_status(int chain_id)
{
/* Check for input params */
- if (unlikely((chain_id < 0 || chain_id >= OMAP_LOGICAL_DMA_CH_COUNT))) {
+ if (unlikely((chain_id < 0 || chain_id >= dma_lch_count))) {
printk(KERN_ERR "Invalid chain id\n");
return -EINVAL;
}
@@ -1231,6 +1390,7 @@ int omap_dma_chain_status(int chain_id)
if (OMAP_DMA_CHAIN_QEMPTY(chain_id))
return OMAP_DMA_CHAIN_INACTIVE;
+
return OMAP_DMA_CHAIN_ACTIVE;
}
EXPORT_SYMBOL(omap_dma_chain_status);
@@ -1253,11 +1413,13 @@ int omap_dma_chain_a_transfer(int chain_id, int src_start, int dest_start,
int elem_count, int frame_count, void *callbk_data)
{
int *channels;
- u32 w, lch;
+ u32 l, lch;
int start_dma = 0;
- /* if buffer size is less than 1 then there is
- * no use of starting the chain */
+ /*
+ * if buffer size is less than 1 then there is
+ * no use of starting the chain
+ */
if (elem_count < 1) {
printk(KERN_ERR "Invalid buffer size\n");
return -EINVAL;
@@ -1265,7 +1427,7 @@ int omap_dma_chain_a_transfer(int chain_id, int src_start, int dest_start,
/* Check for input params */
if (unlikely((chain_id < 0
- || chain_id >= OMAP_LOGICAL_DMA_CH_COUNT))) {
+ || chain_id >= dma_lch_count))) {
printk(KERN_ERR "Invalid chain id\n");
return -EINVAL;
}
@@ -1294,20 +1456,24 @@ int omap_dma_chain_a_transfer(int chain_id, int src_start, int dest_start,
/* Set the params to the free channel */
if (src_start != 0)
- OMAP2_DMA_CSSA_REG(lch) = src_start;
+ dma_write(src_start, CSSA(lch));
if (dest_start != 0)
- OMAP2_DMA_CDSA_REG(lch) = dest_start;
+ dma_write(dest_start, CDSA(lch));
/* Write the buffer size */
- OMAP_DMA_CEN_REG(lch) = elem_count;
- OMAP_DMA_CFN_REG(lch) = frame_count;
+ dma_write(elem_count, CEN(lch));
+ dma_write(frame_count, CFN(lch));
- /* If the chain is dynamically linked,
- * then we may have to start the chain if its not active */
+ /*
+ * If the chain is dynamically linked,
+ * then we may have to start the chain if its not active
+ */
if (dma_linked_lch[chain_id].chain_mode == OMAP_DMA_DYNAMIC_CHAIN) {
- /* In Dynamic chain, if the chain is not started,
- * queue the channel */
+ /*
+ * In Dynamic chain, if the chain is not started,
+ * queue the channel
+ */
if (dma_linked_lch[chain_id].chain_state ==
DMA_CHAIN_NOTSTARTED) {
/* Enable the link in previous channel */
@@ -1317,8 +1483,10 @@ int omap_dma_chain_a_transfer(int chain_id, int src_start, int dest_start,
dma_chan[lch].state = DMA_CH_QUEUED;
}
- /* Chain is already started, make sure its active,
- * if not then start the chain */
+ /*
+ * Chain is already started, make sure its active,
+ * if not then start the chain
+ */
else {
start_dma = 1;
@@ -1327,8 +1495,8 @@ int omap_dma_chain_a_transfer(int chain_id, int src_start, int dest_start,
enable_lnk(dma_chan[lch].prev_linked_ch);
dma_chan[lch].state = DMA_CH_QUEUED;
start_dma = 0;
- if (0 == ((1 << 7) & (OMAP_DMA_CCR_REG
- (dma_chan[lch].prev_linked_ch)))) {
+ if (0 == ((1 << 7) & dma_read(
+ CCR(dma_chan[lch].prev_linked_ch)))) {
disable_lnk(dma_chan[lch].
prev_linked_ch);
pr_debug("\n prev ch is stopped\n");
@@ -1344,27 +1512,28 @@ int omap_dma_chain_a_transfer(int chain_id, int src_start, int dest_start,
}
omap_enable_channel_irq(lch);
- w = OMAP_DMA_CCR_REG(lch);
+ l = dma_read(CCR(lch));
- if ((0 == (w & (1 << 24))))
- w &= ~(1 << 25);
+ if ((0 == (l & (1 << 24))))
+ l &= ~(1 << 25);
else
- w |= (1 << 25);
+ l |= (1 << 25);
if (start_dma == 1) {
- if (0 == (w & (1 << 7))) {
- w |= (1 << 7);
+ if (0 == (l & (1 << 7))) {
+ l |= (1 << 7);
dma_chan[lch].state = DMA_CH_STARTED;
pr_debug("starting %d\n", lch);
- OMAP_DMA_CCR_REG(lch) = w;
+ dma_write(l, CCR(lch));
} else
start_dma = 0;
} else {
- if (0 == (w & (1 << 7)))
- OMAP_DMA_CCR_REG(lch) = w;
+ if (0 == (l & (1 << 7)))
+ dma_write(l, CCR(lch));
}
dma_chan[lch].flags |= OMAP_DMA_ACTIVE;
}
}
+
return 0;
}
EXPORT_SYMBOL(omap_dma_chain_a_transfer);
@@ -1380,9 +1549,9 @@ EXPORT_SYMBOL(omap_dma_chain_a_transfer);
int omap_start_dma_chain_transfers(int chain_id)
{
int *channels;
- u32 w, i;
+ u32 l, i;
- if (unlikely((chain_id < 0 || chain_id >= OMAP_LOGICAL_DMA_CH_COUNT))) {
+ if (unlikely((chain_id < 0 || chain_id >= dma_lch_count))) {
printk(KERN_ERR "Invalid chain id\n");
return -EINVAL;
}
@@ -1404,18 +1573,19 @@ int omap_start_dma_chain_transfers(int chain_id)
omap_enable_channel_irq(channels[0]);
}
- w = OMAP_DMA_CCR_REG(channels[0]);
- w |= (1 << 7);
+ l = dma_read(CCR(channels[0]));
+ l |= (1 << 7);
dma_linked_lch[chain_id].chain_state = DMA_CHAIN_STARTED;
dma_chan[channels[0]].state = DMA_CH_STARTED;
- if ((0 == (w & (1 << 24))))
- w &= ~(1 << 25);
+ if ((0 == (l & (1 << 24))))
+ l &= ~(1 << 25);
else
- w |= (1 << 25);
- OMAP_DMA_CCR_REG(channels[0]) = w;
+ l |= (1 << 25);
+ dma_write(l, CCR(channels[0]));
dma_chan[channels[0]].flags |= OMAP_DMA_ACTIVE;
+
return 0;
}
EXPORT_SYMBOL(omap_start_dma_chain_transfers);
@@ -1431,11 +1601,11 @@ EXPORT_SYMBOL(omap_start_dma_chain_transfers);
int omap_stop_dma_chain_transfers(int chain_id)
{
int *channels;
- u32 w, i;
+ u32 l, i;
u32 sys_cf;
/* Check for input params */
- if (unlikely((chain_id < 0 || chain_id >= OMAP_LOGICAL_DMA_CH_COUNT))) {
+ if (unlikely((chain_id < 0 || chain_id >= dma_lch_count))) {
printk(KERN_ERR "Invalid chain id\n");
return -EINVAL;
}
@@ -1447,21 +1617,22 @@ int omap_stop_dma_chain_transfers(int chain_id)
}
channels = dma_linked_lch[chain_id].linked_dmach_q;
- /* DMA Errata:
+ /*
+ * DMA Errata:
* Special programming model needed to disable DMA before end of block
*/
- sys_cf = omap_readl(OMAP_DMA4_OCP_SYSCONFIG);
- w = sys_cf;
+ sys_cf = dma_read(OCP_SYSCONFIG);
+ l = sys_cf;
/* Middle mode reg set no Standby */
- w &= ~((1 << 12)|(1 << 13));
- omap_writel(w, OMAP_DMA4_OCP_SYSCONFIG);
+ l &= ~((1 << 12)|(1 << 13));
+ dma_write(l, OCP_SYSCONFIG);
for (i = 0; i < dma_linked_lch[chain_id].no_of_lchs_linked; i++) {
/* Stop the Channel transmission */
- w = OMAP_DMA_CCR_REG(channels[i]);
- w &= ~(1 << 7);
- OMAP_DMA_CCR_REG(channels[i]) = w;
+ l = dma_read(CCR(channels[i]));
+ l &= ~(1 << 7);
+ dma_write(l, CCR(channels[i]));
/* Disable the link in all the channels */
disable_lnk(channels[i]);
@@ -1474,7 +1645,8 @@ int omap_stop_dma_chain_transfers(int chain_id)
OMAP_DMA_CHAIN_QINIT(chain_id);
/* Errata - put in the old value */
- omap_writel(sys_cf, OMAP_DMA4_OCP_SYSCONFIG);
+ dma_write(sys_cf, OCP_SYSCONFIG);
+
return 0;
}
EXPORT_SYMBOL(omap_stop_dma_chain_transfers);
@@ -1497,7 +1669,7 @@ int omap_get_dma_chain_index(int chain_id, int *ei, int *fi)
int *channels;
/* Check for input params */
- if (unlikely((chain_id < 0 || chain_id >= OMAP_LOGICAL_DMA_CH_COUNT))) {
+ if (unlikely((chain_id < 0 || chain_id >= dma_lch_count))) {
printk(KERN_ERR "Invalid chain id\n");
return -EINVAL;
}
@@ -1515,8 +1687,8 @@ int omap_get_dma_chain_index(int chain_id, int *ei, int *fi)
/* Get the current channel */
lch = channels[dma_linked_lch[chain_id].q_head];
- *ei = OMAP2_DMA_CCEN_REG(lch);
- *fi = OMAP2_DMA_CCFN_REG(lch);
+ *ei = dma_read(CCEN(lch));
+ *fi = dma_read(CCFN(lch));
return 0;
}
@@ -1537,7 +1709,7 @@ int omap_get_dma_chain_dst_pos(int chain_id)
int *channels;
/* Check for input params */
- if (unlikely((chain_id < 0 || chain_id >= OMAP_LOGICAL_DMA_CH_COUNT))) {
+ if (unlikely((chain_id < 0 || chain_id >= dma_lch_count))) {
printk(KERN_ERR "Invalid chain id\n");
return -EINVAL;
}
@@ -1553,7 +1725,7 @@ int omap_get_dma_chain_dst_pos(int chain_id)
/* Get the current channel */
lch = channels[dma_linked_lch[chain_id].q_head];
- return (OMAP_DMA_CDAC_REG(lch));
+ return dma_read(CDAC(lch));
}
EXPORT_SYMBOL(omap_get_dma_chain_dst_pos);
@@ -1571,7 +1743,7 @@ int omap_get_dma_chain_src_pos(int chain_id)
int *channels;
/* Check for input params */
- if (unlikely((chain_id < 0 || chain_id >= OMAP_LOGICAL_DMA_CH_COUNT))) {
+ if (unlikely((chain_id < 0 || chain_id >= dma_lch_count))) {
printk(KERN_ERR "Invalid chain id\n");
return -EINVAL;
}
@@ -1587,10 +1759,10 @@ int omap_get_dma_chain_src_pos(int chain_id)
/* Get the current channel */
lch = channels[dma_linked_lch[chain_id].q_head];
- return (OMAP_DMA_CSAC_REG(lch));
+ return dma_read(CSAC(lch));
}
EXPORT_SYMBOL(omap_get_dma_chain_src_pos);
-#endif
+#endif /* ifndef CONFIG_ARCH_OMAP1 */
/*----------------------------------------------------------------------------*/
@@ -1598,13 +1770,13 @@ EXPORT_SYMBOL(omap_get_dma_chain_src_pos);
static int omap1_dma_handle_ch(int ch)
{
- u16 csr;
+ u32 csr;
if (enable_1510_mode && ch >= 6) {
csr = dma_chan[ch].saved_csr;
dma_chan[ch].saved_csr = 0;
} else
- csr = OMAP_DMA_CSR_REG(ch);
+ csr = dma_read(CSR(ch));
if (enable_1510_mode && ch <= 2 && (csr >> 7) != 0) {
dma_chan[ch + 6].saved_csr = csr >> 7;
csr &= 0x7f;
@@ -1626,6 +1798,7 @@ static int omap1_dma_handle_ch(int ch)
dma_chan[ch].flags &= ~OMAP_DMA_ACTIVE;
if (likely(dma_chan[ch].callback != NULL))
dma_chan[ch].callback(ch, csr, dma_chan[ch].data);
+
return 1;
}
@@ -1656,12 +1829,13 @@ static irqreturn_t omap1_dma_irq_handler(int irq, void *dev_id)
static int omap2_dma_handle_ch(int ch)
{
- u32 status = OMAP_DMA_CSR_REG(ch);
+ u32 status = dma_read(CSR(ch));
if (!status) {
if (printk_ratelimit())
- printk(KERN_WARNING "Spurious DMA IRQ for lch %d\n", ch);
- omap_writel(1 << ch, OMAP_DMA4_IRQSTATUS_L0);
+ printk(KERN_WARNING "Spurious DMA IRQ for lch %d\n",
+ ch);
+ dma_write(1 << ch, IRQSTATUS_L0);
return 0;
}
if (unlikely(dma_chan[ch].dev_id == -1)) {
@@ -1684,14 +1858,14 @@ static int omap2_dma_handle_ch(int ch)
printk(KERN_INFO "DMA misaligned error with device %d\n",
dma_chan[ch].dev_id);
- OMAP_DMA_CSR_REG(ch) = OMAP2_DMA_CSR_CLEAR_MASK;
- omap_writel(1 << ch, OMAP_DMA4_IRQSTATUS_L0);
+ dma_write(OMAP2_DMA_CSR_CLEAR_MASK, CSR(ch));
+ dma_write(1 << ch, IRQSTATUS_L0);
/* If the ch is not chained then chain_id will be -1 */
if (dma_chan[ch].chain_id != -1) {
int chain_id = dma_chan[ch].chain_id;
dma_chan[ch].state = DMA_CH_NOTSTARTED;
- if (OMAP_DMA_CLNK_CTRL_REG(ch) & (1 << 15))
+ if (dma_read(CLNK_CTRL(ch)) & (1 << 15))
dma_chan[dma_chan[ch].next_linked_ch].state =
DMA_CH_STARTED;
if (dma_linked_lch[chain_id].chain_mode ==
@@ -1701,13 +1875,13 @@ static int omap2_dma_handle_ch(int ch)
if (!OMAP_DMA_CHAIN_QEMPTY(chain_id))
OMAP_DMA_CHAIN_INCQHEAD(chain_id);
- status = OMAP_DMA_CSR_REG(ch);
+ status = dma_read(CSR(ch));
}
if (likely(dma_chan[ch].callback != NULL))
dma_chan[ch].callback(ch, status, dma_chan[ch].data);
- OMAP_DMA_CSR_REG(ch) = status;
+ dma_write(status, CSR(ch));
return 0;
}
@@ -1718,13 +1892,13 @@ static irqreturn_t omap2_dma_irq_handler(int irq, void *dev_id)
u32 val;
int i;
- val = omap_readl(OMAP_DMA4_IRQSTATUS_L0);
+ val = dma_read(IRQSTATUS_L0);
if (val == 0) {
if (printk_ratelimit())
printk(KERN_WARNING "Spurious DMA IRQ\n");
return IRQ_HANDLED;
}
- for (i = 0; i < OMAP_LOGICAL_DMA_CH_COUNT && val != 0; i++) {
+ for (i = 0; i < dma_lch_count && val != 0; i++) {
if (val & 1)
omap2_dma_handle_ch(i);
val >>= 1;
@@ -1748,7 +1922,7 @@ static struct irqaction omap24xx_dma_irq;
static struct lcd_dma_info {
spinlock_t lock;
int reserved;
- void (* callback)(u16 status, void *data);
+ void (*callback)(u16 status, void *data);
void *cb_data;
int active;
@@ -1770,6 +1944,7 @@ void omap_set_lcd_dma_b1(unsigned long addr, u16 fb_xres, u16 fb_yres,
lcd_dma.xres = fb_xres;
lcd_dma.yres = fb_yres;
}
+EXPORT_SYMBOL(omap_set_lcd_dma_b1);
void omap_set_lcd_dma_src_port(int port)
{
@@ -1780,12 +1955,13 @@ void omap_set_lcd_dma_ext_controller(int external)
{
lcd_dma.ext_ctrl = external;
}
+EXPORT_SYMBOL(omap_set_lcd_dma_ext_controller);
void omap_set_lcd_dma_single_transfer(int single)
{
lcd_dma.single_transfer = single;
}
-
+EXPORT_SYMBOL(omap_set_lcd_dma_single_transfer);
void omap_set_lcd_dma_b1_rotation(int rotate)
{
@@ -1796,6 +1972,7 @@ void omap_set_lcd_dma_b1_rotation(int rotate)
}
lcd_dma.rotate = rotate;
}
+EXPORT_SYMBOL(omap_set_lcd_dma_b1_rotation);
void omap_set_lcd_dma_b1_mirror(int mirror)
{
@@ -1805,6 +1982,7 @@ void omap_set_lcd_dma_b1_mirror(int mirror)
}
lcd_dma.mirror = mirror;
}
+EXPORT_SYMBOL(omap_set_lcd_dma_b1_mirror);
void omap_set_lcd_dma_b1_vxres(unsigned long vxres)
{
@@ -1815,6 +1993,7 @@ void omap_set_lcd_dma_b1_vxres(unsigned long vxres)
}
lcd_dma.vxres = vxres;
}
+EXPORT_SYMBOL(omap_set_lcd_dma_b1_vxres);
void omap_set_lcd_dma_b1_scale(unsigned int xscale, unsigned int yscale)
{
@@ -1825,6 +2004,7 @@ void omap_set_lcd_dma_b1_scale(unsigned int xscale, unsigned int yscale)
lcd_dma.xscale = xscale;
lcd_dma.yscale = yscale;
}
+EXPORT_SYMBOL(omap_set_lcd_dma_b1_scale);
static void set_b1_regs(void)
{
@@ -1855,8 +2035,11 @@ static void set_b1_regs(void)
xscale = lcd_dma.xscale ? lcd_dma.xscale : 1;
yscale = lcd_dma.yscale ? lcd_dma.yscale : 1;
BUG_ON(vxres < lcd_dma.xres);
-#define PIXADDR(x,y) (lcd_dma.addr + ((y) * vxres * yscale + (x) * xscale) * es)
+
+#define PIXADDR(x, y) (lcd_dma.addr + \
+ ((y) * vxres * yscale + (x) * xscale) * es)
#define PIXSTEP(sx, sy, dx, dy) (PIXADDR(dx, dy) - PIXADDR(sx, sy) - es + 1)
+
switch (lcd_dma.rotate) {
case 0:
if (!lcd_dma.mirror) {
@@ -1865,8 +2048,8 @@ static void set_b1_regs(void)
/* 1510 DMA requires the bottom address to be 2 more
* than the actual last memory access location. */
if (omap_dma_in_1510_mode() &&
- lcd_dma.data_type == OMAP_DMA_DATA_TYPE_S32)
- bottom += 2;
+ lcd_dma.data_type == OMAP_DMA_DATA_TYPE_S32)
+ bottom += 2;
ei = PIXSTEP(0, 0, 1, 0);
fi = PIXSTEP(lcd_dma.xres - 1, 0, 0, 1);
} else {
@@ -1993,7 +2176,7 @@ static irqreturn_t lcd_dma_irq_handler(int irq, void *dev_id)
return IRQ_HANDLED;
}
-int omap_request_lcd_dma(void (* callback)(u16 status, void *data),
+int omap_request_lcd_dma(void (*callback)(u16 status, void *data),
void *data)
{
spin_lock_irq(&lcd_dma.lock);
@@ -2019,6 +2202,7 @@ int omap_request_lcd_dma(void (* callback)(u16 status, void *data),
return 0;
}
+EXPORT_SYMBOL(omap_request_lcd_dma);
void omap_free_lcd_dma(void)
{
@@ -2035,12 +2219,14 @@ void omap_free_lcd_dma(void)
lcd_dma.reserved = 0;
spin_unlock(&lcd_dma.lock);
}
+EXPORT_SYMBOL(omap_free_lcd_dma);
void omap_enable_lcd_dma(void)
{
u16 w;
- /* Set the Enable bit only if an external controller is
+ /*
+ * Set the Enable bit only if an external controller is
* connected. Otherwise the OMAP internal controller will
* start the transfer when it gets enabled.
*/
@@ -2057,6 +2243,7 @@ void omap_enable_lcd_dma(void)
w |= 1 << 7;
omap_writew(w, OMAP1610_DMA_LCD_CCR);
}
+EXPORT_SYMBOL(omap_enable_lcd_dma);
void omap_setup_lcd_dma(void)
{
@@ -2072,16 +2259,18 @@ void omap_setup_lcd_dma(void)
u16 w;
w = omap_readw(OMAP1610_DMA_LCD_CCR);
- /* If DMA was already active set the end_prog bit to have
+ /*
+ * If DMA was already active set the end_prog bit to have
* the programmed register set loaded into the active
* register set.
*/
w |= 1 << 11; /* End_prog */
if (!lcd_dma.single_transfer)
- w |= (3 << 8); /* Auto_init, repeat */
+ w |= (3 << 8); /* Auto_init, repeat */
omap_writew(w, OMAP1610_DMA_LCD_CCR);
}
}
+EXPORT_SYMBOL(omap_setup_lcd_dma);
void omap_stop_lcd_dma(void)
{
@@ -2099,6 +2288,7 @@ void omap_stop_lcd_dma(void)
w &= ~(1 << 8);
omap_writew(w, OMAP1610_DMA_LCD_CTRL);
}
+EXPORT_SYMBOL(omap_stop_lcd_dma);
/*----------------------------------------------------------------------------*/
@@ -2106,27 +2296,55 @@ static int __init omap_init_dma(void)
{
int ch, r;
+ if (cpu_class_is_omap1()) {
+ omap_dma_base = (void __iomem *)IO_ADDRESS(OMAP1_DMA_BASE);
+ dma_lch_count = OMAP1_LOGICAL_DMA_CH_COUNT;
+ } else if (cpu_is_omap24xx()) {
+ omap_dma_base = (void __iomem *)IO_ADDRESS(OMAP24XX_DMA4_BASE);
+ dma_lch_count = OMAP_DMA4_LOGICAL_DMA_CH_COUNT;
+ } else if (cpu_is_omap34xx()) {
+ omap_dma_base = (void __iomem *)IO_ADDRESS(OMAP34XX_DMA4_BASE);
+ dma_lch_count = OMAP_DMA4_LOGICAL_DMA_CH_COUNT;
+ } else {
+ pr_err("DMA init failed for unsupported omap\n");
+ return -ENODEV;
+ }
+
+ dma_chan = kzalloc(sizeof(struct omap_dma_lch) * dma_lch_count,
+ GFP_KERNEL);
+ if (!dma_chan)
+ return -ENOMEM;
+
+ if (cpu_class_is_omap2()) {
+ dma_linked_lch = kzalloc(sizeof(struct dma_link_info) *
+ dma_lch_count, GFP_KERNEL);
+ if (!dma_linked_lch) {
+ kfree(dma_chan);
+ return -ENOMEM;
+ }
+ }
+
if (cpu_is_omap15xx()) {
printk(KERN_INFO "DMA support for OMAP15xx initialized\n");
dma_chan_count = 9;
enable_1510_mode = 1;
} else if (cpu_is_omap16xx() || cpu_is_omap730()) {
printk(KERN_INFO "OMAP DMA hardware version %d\n",
- omap_readw(OMAP_DMA_HW_ID));
+ dma_read(HW_ID));
printk(KERN_INFO "DMA capabilities: %08x:%08x:%04x:%04x:%04x\n",
- (omap_readw(OMAP_DMA_CAPS_0_U) << 16) |
- omap_readw(OMAP_DMA_CAPS_0_L),
- (omap_readw(OMAP_DMA_CAPS_1_U) << 16) |
- omap_readw(OMAP_DMA_CAPS_1_L),
- omap_readw(OMAP_DMA_CAPS_2), omap_readw(OMAP_DMA_CAPS_3),
- omap_readw(OMAP_DMA_CAPS_4));
+ (dma_read(CAPS_0_U) << 16) |
+ dma_read(CAPS_0_L),
+ (dma_read(CAPS_1_U) << 16) |
+ dma_read(CAPS_1_L),
+ dma_read(CAPS_2), dma_read(CAPS_3),
+ dma_read(CAPS_4));
if (!enable_1510_mode) {
u16 w;
/* Disable OMAP 3.0/3.1 compatibility mode. */
- w = omap_readw(OMAP_DMA_GSCR);
+ w = dma_read(GSCR);
w |= 1 << 3;
- omap_writew(w, OMAP_DMA_GSCR);
+ dma_write(w, GSCR);
dma_chan_count = 16;
} else
dma_chan_count = 9;
@@ -2139,19 +2357,17 @@ static int __init omap_init_dma(void)
omap_writew(w, OMAP1610_DMA_LCD_CTRL);
}
} else if (cpu_class_is_omap2()) {
- u8 revision = omap_readb(OMAP_DMA4_REVISION);
+ u8 revision = dma_read(REVISION) & 0xff;
printk(KERN_INFO "OMAP DMA hardware revision %d.%d\n",
revision >> 4, revision & 0xf);
- dma_chan_count = OMAP_LOGICAL_DMA_CH_COUNT;
+ dma_chan_count = OMAP_DMA4_LOGICAL_DMA_CH_COUNT;
} else {
dma_chan_count = 0;
return 0;
}
- memset(&lcd_dma, 0, sizeof(lcd_dma));
spin_lock_init(&lcd_dma.lock);
spin_lock_init(&dma_chan_lock);
- memset(&dma_chan, 0, sizeof(dma_chan));
for (ch = 0; ch < dma_chan_count; ch++) {
omap_clear_dma(ch);
@@ -2162,8 +2378,10 @@ static int __init omap_init_dma(void)
continue;
if (cpu_class_is_omap1()) {
- /* request_irq() doesn't like dev_id (ie. ch) being
- * zero, so we have to kludge around this. */
+ /*
+ * request_irq() doesn't like dev_id (ie. ch) being
+ * zero, so we have to kludge around this.
+ */
r = request_irq(omap1_dma_irq[ch],
omap1_dma_irq_handler, 0, "DMA",
(void *) (ch + 1));
@@ -2208,48 +2426,4 @@ static int __init omap_init_dma(void)
arch_initcall(omap_init_dma);
-EXPORT_SYMBOL(omap_get_dma_src_pos);
-EXPORT_SYMBOL(omap_get_dma_dst_pos);
-EXPORT_SYMBOL(omap_get_dma_src_addr_counter);
-EXPORT_SYMBOL(omap_clear_dma);
-EXPORT_SYMBOL(omap_set_dma_priority);
-EXPORT_SYMBOL(omap_request_dma);
-EXPORT_SYMBOL(omap_free_dma);
-EXPORT_SYMBOL(omap_start_dma);
-EXPORT_SYMBOL(omap_stop_dma);
-EXPORT_SYMBOL(omap_set_dma_callback);
-EXPORT_SYMBOL(omap_enable_dma_irq);
-EXPORT_SYMBOL(omap_disable_dma_irq);
-
-EXPORT_SYMBOL(omap_set_dma_transfer_params);
-EXPORT_SYMBOL(omap_set_dma_color_mode);
-EXPORT_SYMBOL(omap_set_dma_write_mode);
-
-EXPORT_SYMBOL(omap_set_dma_src_params);
-EXPORT_SYMBOL(omap_set_dma_src_index);
-EXPORT_SYMBOL(omap_set_dma_src_data_pack);
-EXPORT_SYMBOL(omap_set_dma_src_burst_mode);
-
-EXPORT_SYMBOL(omap_set_dma_dest_params);
-EXPORT_SYMBOL(omap_set_dma_dest_index);
-EXPORT_SYMBOL(omap_set_dma_dest_data_pack);
-EXPORT_SYMBOL(omap_set_dma_dest_burst_mode);
-
-EXPORT_SYMBOL(omap_set_dma_params);
-
-EXPORT_SYMBOL(omap_dma_link_lch);
-EXPORT_SYMBOL(omap_dma_unlink_lch);
-
-EXPORT_SYMBOL(omap_request_lcd_dma);
-EXPORT_SYMBOL(omap_free_lcd_dma);
-EXPORT_SYMBOL(omap_enable_lcd_dma);
-EXPORT_SYMBOL(omap_setup_lcd_dma);
-EXPORT_SYMBOL(omap_stop_lcd_dma);
-EXPORT_SYMBOL(omap_set_lcd_dma_b1);
-EXPORT_SYMBOL(omap_set_lcd_dma_single_transfer);
-EXPORT_SYMBOL(omap_set_lcd_dma_ext_controller);
-EXPORT_SYMBOL(omap_set_lcd_dma_b1_rotation);
-EXPORT_SYMBOL(omap_set_lcd_dma_b1_vxres);
-EXPORT_SYMBOL(omap_set_lcd_dma_b1_scale);
-EXPORT_SYMBOL(omap_set_lcd_dma_b1_mirror);
diff --git a/arch/arm/plat-omap/dmtimer.c b/arch/arm/plat-omap/dmtimer.c
index 302ad8dff2c..f22506af0e6 100644
--- a/arch/arm/plat-omap/dmtimer.c
+++ b/arch/arm/plat-omap/dmtimer.c
@@ -38,34 +38,113 @@
#include <asm/arch/irqs.h>
/* register offsets */
-#define OMAP_TIMER_ID_REG 0x00
-#define OMAP_TIMER_OCP_CFG_REG 0x10
-#define OMAP_TIMER_SYS_STAT_REG 0x14
-#define OMAP_TIMER_STAT_REG 0x18
-#define OMAP_TIMER_INT_EN_REG 0x1c
-#define OMAP_TIMER_WAKEUP_EN_REG 0x20
-#define OMAP_TIMER_CTRL_REG 0x24
-#define OMAP_TIMER_COUNTER_REG 0x28
-#define OMAP_TIMER_LOAD_REG 0x2c
-#define OMAP_TIMER_TRIGGER_REG 0x30
-#define OMAP_TIMER_WRITE_PEND_REG 0x34
-#define OMAP_TIMER_MATCH_REG 0x38
-#define OMAP_TIMER_CAPTURE_REG 0x3c
-#define OMAP_TIMER_IF_CTRL_REG 0x40
-
-/* timer control reg bits */
-#define OMAP_TIMER_CTRL_GPOCFG (1 << 14)
-#define OMAP_TIMER_CTRL_CAPTMODE (1 << 13)
-#define OMAP_TIMER_CTRL_PT (1 << 12)
-#define OMAP_TIMER_CTRL_TCM_LOWTOHIGH (0x1 << 8)
-#define OMAP_TIMER_CTRL_TCM_HIGHTOLOW (0x2 << 8)
-#define OMAP_TIMER_CTRL_TCM_BOTHEDGES (0x3 << 8)
-#define OMAP_TIMER_CTRL_SCPWM (1 << 7)
-#define OMAP_TIMER_CTRL_CE (1 << 6) /* compare enable */
-#define OMAP_TIMER_CTRL_PRE (1 << 5) /* prescaler enable */
-#define OMAP_TIMER_CTRL_PTV_SHIFT 2 /* how much to shift the prescaler value */
-#define OMAP_TIMER_CTRL_AR (1 << 1) /* auto-reload enable */
-#define OMAP_TIMER_CTRL_ST (1 << 0) /* start timer */
+#define _OMAP_TIMER_ID_OFFSET 0x00
+#define _OMAP_TIMER_OCP_CFG_OFFSET 0x10
+#define _OMAP_TIMER_SYS_STAT_OFFSET 0x14
+#define _OMAP_TIMER_STAT_OFFSET 0x18
+#define _OMAP_TIMER_INT_EN_OFFSET 0x1c
+#define _OMAP_TIMER_WAKEUP_EN_OFFSET 0x20
+#define _OMAP_TIMER_CTRL_OFFSET 0x24
+#define OMAP_TIMER_CTRL_GPOCFG (1 << 14)
+#define OMAP_TIMER_CTRL_CAPTMODE (1 << 13)
+#define OMAP_TIMER_CTRL_PT (1 << 12)
+#define OMAP_TIMER_CTRL_TCM_LOWTOHIGH (0x1 << 8)
+#define OMAP_TIMER_CTRL_TCM_HIGHTOLOW (0x2 << 8)
+#define OMAP_TIMER_CTRL_TCM_BOTHEDGES (0x3 << 8)
+#define OMAP_TIMER_CTRL_SCPWM (1 << 7)
+#define OMAP_TIMER_CTRL_CE (1 << 6) /* compare enable */
+#define OMAP_TIMER_CTRL_PRE (1 << 5) /* prescaler enable */
+#define OMAP_TIMER_CTRL_PTV_SHIFT 2 /* prescaler value shift */
+#define OMAP_TIMER_CTRL_POSTED (1 << 2)
+#define OMAP_TIMER_CTRL_AR (1 << 1) /* auto-reload enable */
+#define OMAP_TIMER_CTRL_ST (1 << 0) /* start timer */
+#define _OMAP_TIMER_COUNTER_OFFSET 0x28
+#define _OMAP_TIMER_LOAD_OFFSET 0x2c
+#define _OMAP_TIMER_TRIGGER_OFFSET 0x30
+#define _OMAP_TIMER_WRITE_PEND_OFFSET 0x34
+#define WP_NONE 0 /* no write pending bit */
+#define WP_TCLR (1 << 0)
+#define WP_TCRR (1 << 1)
+#define WP_TLDR (1 << 2)
+#define WP_TTGR (1 << 3)
+#define WP_TMAR (1 << 4)
+#define WP_TPIR (1 << 5)
+#define WP_TNIR (1 << 6)
+#define WP_TCVR (1 << 7)
+#define WP_TOCR (1 << 8)
+#define WP_TOWR (1 << 9)
+#define _OMAP_TIMER_MATCH_OFFSET 0x38
+#define _OMAP_TIMER_CAPTURE_OFFSET 0x3c
+#define _OMAP_TIMER_IF_CTRL_OFFSET 0x40
+#define _OMAP_TIMER_CAPTURE2_OFFSET 0x44 /* TCAR2, 34xx only */
+#define _OMAP_TIMER_TICK_POS_OFFSET 0x48 /* TPIR, 34xx only */
+#define _OMAP_TIMER_TICK_NEG_OFFSET 0x4c /* TNIR, 34xx only */
+#define _OMAP_TIMER_TICK_COUNT_OFFSET 0x50 /* TCVR, 34xx only */
+#define _OMAP_TIMER_TICK_INT_MASK_SET_OFFSET 0x54 /* TOCR, 34xx only */
+#define _OMAP_TIMER_TICK_INT_MASK_COUNT_OFFSET 0x58 /* TOWR, 34xx only */
+
+/* register offsets with the write pending bit encoded */
+#define WPSHIFT 16
+
+#define OMAP_TIMER_ID_REG (_OMAP_TIMER_ID_OFFSET \
+ | (WP_NONE << WPSHIFT))
+
+#define OMAP_TIMER_OCP_CFG_REG (_OMAP_TIMER_OCP_CFG_OFFSET \
+ | (WP_NONE << WPSHIFT))
+
+#define OMAP_TIMER_SYS_STAT_REG (_OMAP_TIMER_SYS_STAT_OFFSET \
+ | (WP_NONE << WPSHIFT))
+
+#define OMAP_TIMER_STAT_REG (_OMAP_TIMER_STAT_OFFSET \
+ | (WP_NONE << WPSHIFT))
+
+#define OMAP_TIMER_INT_EN_REG (_OMAP_TIMER_INT_EN_OFFSET \
+ | (WP_NONE << WPSHIFT))
+
+#define OMAP_TIMER_WAKEUP_EN_REG (_OMAP_TIMER_WAKEUP_EN_OFFSET \
+ | (WP_NONE << WPSHIFT))
+
+#define OMAP_TIMER_CTRL_REG (_OMAP_TIMER_CTRL_OFFSET \
+ | (WP_TCLR << WPSHIFT))
+
+#define OMAP_TIMER_COUNTER_REG (_OMAP_TIMER_COUNTER_OFFSET \
+ | (WP_TCRR << WPSHIFT))
+
+#define OMAP_TIMER_LOAD_REG (_OMAP_TIMER_LOAD_OFFSET \
+ | (WP_TLDR << WPSHIFT))
+
+#define OMAP_TIMER_TRIGGER_REG (_OMAP_TIMER_TRIGGER_OFFSET \
+ | (WP_TTGR << WPSHIFT))
+
+#define OMAP_TIMER_WRITE_PEND_REG (_OMAP_TIMER_WRITE_PEND_OFFSET \
+ | (WP_NONE << WPSHIFT))
+
+#define OMAP_TIMER_MATCH_REG (_OMAP_TIMER_MATCH_OFFSET \
+ | (WP_TMAR << WPSHIFT))
+
+#define OMAP_TIMER_CAPTURE_REG (_OMAP_TIMER_CAPTURE_OFFSET \
+ | (WP_NONE << WPSHIFT))
+
+#define OMAP_TIMER_IF_CTRL_REG (_OMAP_TIMER_IF_CTRL_OFFSET \
+ | (WP_NONE << WPSHIFT))
+
+#define OMAP_TIMER_CAPTURE2_REG (_OMAP_TIMER_CAPTURE2_OFFSET \
+ | (WP_NONE << WPSHIFT))
+
+#define OMAP_TIMER_TICK_POS_REG (_OMAP_TIMER_TICK_POS_OFFSET \
+ | (WP_TPIR << WPSHIFT))
+
+#define OMAP_TIMER_TICK_NEG_REG (_OMAP_TIMER_TICK_NEG_OFFSET \
+ | (WP_TNIR << WPSHIFT))
+
+#define OMAP_TIMER_TICK_COUNT_REG (_OMAP_TIMER_TICK_COUNT_OFFSET \
+ | (WP_TCVR << WPSHIFT))
+
+#define OMAP_TIMER_TICK_INT_MASK_SET_REG \
+ (_OMAP_TIMER_TICK_INT_MASK_SET_OFFSET | (WP_TOCR << WPSHIFT))
+
+#define OMAP_TIMER_TICK_INT_MASK_COUNT_REG \
+ (_OMAP_TIMER_TICK_INT_MASK_COUNT_OFFSET | (WP_TOWR << WPSHIFT))
struct omap_dm_timer {
unsigned long phys_base;
@@ -76,6 +155,7 @@ struct omap_dm_timer {
void __iomem *io_base;
unsigned reserved:1;
unsigned enabled:1;
+ unsigned posted:1;
};
#ifdef CONFIG_ARCH_OMAP1
@@ -181,16 +261,34 @@ static struct clk **dm_source_clocks;
static spinlock_t dm_timer_lock;
-static inline u32 omap_dm_timer_read_reg(struct omap_dm_timer *timer, int reg)
+/*
+ * Reads timer registers in posted and non-posted mode. The posted mode bit
+ * is encoded in reg. Note that in posted mode write pending bit must be
+ * checked. Otherwise a read of a non completed write will produce an error.
+ */
+static inline u32 omap_dm_timer_read_reg(struct omap_dm_timer *timer, u32 reg)
{
- return readl(timer->io_base + reg);
+ if (timer->posted)
+ while (readl(timer->io_base + (OMAP_TIMER_WRITE_PEND_REG & 0xff))
+ & (reg >> WPSHIFT))
+ cpu_relax();
+ return readl(timer->io_base + (reg & 0xff));
}
-static void omap_dm_timer_write_reg(struct omap_dm_timer *timer, int reg, u32 value)
+/*
+ * Writes timer registers in posted and non-posted mode. The posted mode bit
+ * is encoded in reg. Note that in posted mode the write pending bit must be
+ * checked. Otherwise a write on a register which has a pending write will be
+ * lost.
+ */
+static void omap_dm_timer_write_reg(struct omap_dm_timer *timer, u32 reg,
+ u32 value)
{
- writel(value, timer->io_base + reg);
- while (omap_dm_timer_read_reg(timer, OMAP_TIMER_WRITE_PEND_REG))
- ;
+ if (timer->posted)
+ while (readl(timer->io_base + (OMAP_TIMER_WRITE_PEND_REG & 0xff))
+ & (reg >> WPSHIFT))
+ cpu_relax();
+ writel(value, timer->io_base + (reg & 0xff));
}
static void omap_dm_timer_wait_for_reset(struct omap_dm_timer *timer)
@@ -217,17 +315,23 @@ static void omap_dm_timer_reset(struct omap_dm_timer *timer)
}
omap_dm_timer_set_source(timer, OMAP_TIMER_SRC_32_KHZ);
- /* Set to smart-idle mode */
l = omap_dm_timer_read_reg(timer, OMAP_TIMER_OCP_CFG_REG);
- l |= 0x02 << 3;
-
- if (cpu_class_is_omap2() && timer == &dm_timers[0]) {
- /* Enable wake-up only for GPT1 on OMAP2 CPUs*/
+ l |= 0x02 << 3; /* Set to smart-idle mode */
+ l |= 0x2 << 8; /* Set clock activity to perserve f-clock on idle */
+
+ /*
+ * Enable wake-up only for GPT1 on OMAP2 CPUs.
+ * FIXME: All timers should have wake-up enabled and clear
+ * PRCM status.
+ */
+ if (cpu_class_is_omap2() && (timer == &dm_timers[0]))
l |= 1 << 2;
- /* Non-posted mode */
- omap_dm_timer_write_reg(timer, OMAP_TIMER_IF_CTRL_REG, 0);
- }
omap_dm_timer_write_reg(timer, OMAP_TIMER_OCP_CFG_REG, l);
+
+ /* Match hardware reset default of posted mode */
+ omap_dm_timer_write_reg(timer, OMAP_TIMER_IF_CTRL_REG,
+ OMAP_TIMER_CTRL_POSTED);
+ timer->posted = 1;
}
static void omap_dm_timer_prepare(struct omap_dm_timer *timer)
@@ -434,9 +538,32 @@ void omap_dm_timer_set_load(struct omap_dm_timer *timer, int autoreload,
l &= ~OMAP_TIMER_CTRL_AR;
omap_dm_timer_write_reg(timer, OMAP_TIMER_CTRL_REG, l);
omap_dm_timer_write_reg(timer, OMAP_TIMER_LOAD_REG, load);
+
+ /* REVISIT: hw feature, ttgr overtaking tldr? */
+ while (readl(timer->io_base + (OMAP_TIMER_WRITE_PEND_REG & 0xff)))
+ cpu_relax();
+
omap_dm_timer_write_reg(timer, OMAP_TIMER_TRIGGER_REG, 0);
}
+/* Optimized set_load which removes costly spin wait in timer_start */
+void omap_dm_timer_set_load_start(struct omap_dm_timer *timer, int autoreload,
+ unsigned int load)
+{
+ u32 l;
+
+ l = omap_dm_timer_read_reg(timer, OMAP_TIMER_CTRL_REG);
+ if (autoreload)
+ l |= OMAP_TIMER_CTRL_AR;
+ else
+ l &= ~OMAP_TIMER_CTRL_AR;
+ l |= OMAP_TIMER_CTRL_ST;
+
+ omap_dm_timer_write_reg(timer, OMAP_TIMER_COUNTER_REG, load);
+ omap_dm_timer_write_reg(timer, OMAP_TIMER_LOAD_REG, load);
+ omap_dm_timer_write_reg(timer, OMAP_TIMER_CTRL_REG, l);
+}
+
void omap_dm_timer_set_match(struct omap_dm_timer *timer, int enable,
unsigned int match)
{
@@ -451,7 +578,6 @@ void omap_dm_timer_set_match(struct omap_dm_timer *timer, int enable,
omap_dm_timer_write_reg(timer, OMAP_TIMER_MATCH_REG, match);
}
-
void omap_dm_timer_set_pwm(struct omap_dm_timer *timer, int def_on,
int toggle, int trigger)
{
diff --git a/arch/arm/plat-omap/mcbsp.c b/arch/arm/plat-omap/mcbsp.c
index 9cf83c4da9f..c7f74064696 100644
--- a/arch/arm/plat-omap/mcbsp.c
+++ b/arch/arm/plat-omap/mcbsp.c
@@ -15,95 +15,66 @@
#include <linux/module.h>
#include <linux/init.h>
#include <linux/device.h>
+#include <linux/platform_device.h>
#include <linux/wait.h>
#include <linux/completion.h>
#include <linux/interrupt.h>
#include <linux/err.h>
#include <linux/clk.h>
#include <linux/delay.h>
-
-#include <asm/io.h>
-#include <asm/irq.h>
+#include <linux/io.h>
#include <asm/arch/dma.h>
-#include <asm/arch/mux.h>
-#include <asm/arch/irqs.h>
-#include <asm/arch/dsp_common.h>
#include <asm/arch/mcbsp.h>
-#ifdef CONFIG_MCBSP_DEBUG
-#define DBG(x...) printk(x)
-#else
-#define DBG(x...) do { } while (0)
-#endif
-
-struct omap_mcbsp {
- u32 io_base;
- u8 id;
- u8 free;
- omap_mcbsp_word_length rx_word_length;
- omap_mcbsp_word_length tx_word_length;
-
- omap_mcbsp_io_type_t io_type; /* IRQ or poll */
- /* IRQ based TX/RX */
- int rx_irq;
- int tx_irq;
-
- /* DMA stuff */
- u8 dma_rx_sync;
- short dma_rx_lch;
- u8 dma_tx_sync;
- short dma_tx_lch;
-
- /* Completion queues */
- struct completion tx_irq_completion;
- struct completion rx_irq_completion;
- struct completion tx_dma_completion;
- struct completion rx_dma_completion;
-
- spinlock_t lock;
-};
-
static struct omap_mcbsp mcbsp[OMAP_MAX_MCBSP_COUNT];
-#ifdef CONFIG_ARCH_OMAP1
-static struct clk *mcbsp_dsp_ck = 0;
-static struct clk *mcbsp_api_ck = 0;
-static struct clk *mcbsp_dspxor_ck = 0;
-#endif
-#ifdef CONFIG_ARCH_OMAP2
-static struct clk *mcbsp1_ick = 0;
-static struct clk *mcbsp1_fck = 0;
-static struct clk *mcbsp2_ick = 0;
-static struct clk *mcbsp2_fck = 0;
-#endif
+
+#define omap_mcbsp_check_valid_id(id) (mcbsp[id].pdata && \
+ mcbsp[id].pdata->ops && \
+ mcbsp[id].pdata->ops->check && \
+ (mcbsp[id].pdata->ops->check(id) == 0))
static void omap_mcbsp_dump_reg(u8 id)
{
- DBG("**** MCBSP%d regs ****\n", mcbsp[id].id);
- DBG("DRR2: 0x%04x\n", OMAP_MCBSP_READ(mcbsp[id].io_base, DRR2));
- DBG("DRR1: 0x%04x\n", OMAP_MCBSP_READ(mcbsp[id].io_base, DRR1));
- DBG("DXR2: 0x%04x\n", OMAP_MCBSP_READ(mcbsp[id].io_base, DXR2));
- DBG("DXR1: 0x%04x\n", OMAP_MCBSP_READ(mcbsp[id].io_base, DXR1));
- DBG("SPCR2: 0x%04x\n", OMAP_MCBSP_READ(mcbsp[id].io_base, SPCR2));
- DBG("SPCR1: 0x%04x\n", OMAP_MCBSP_READ(mcbsp[id].io_base, SPCR1));
- DBG("RCR2: 0x%04x\n", OMAP_MCBSP_READ(mcbsp[id].io_base, RCR2));
- DBG("RCR1: 0x%04x\n", OMAP_MCBSP_READ(mcbsp[id].io_base, RCR1));
- DBG("XCR2: 0x%04x\n", OMAP_MCBSP_READ(mcbsp[id].io_base, XCR2));
- DBG("XCR1: 0x%04x\n", OMAP_MCBSP_READ(mcbsp[id].io_base, XCR1));
- DBG("SRGR2: 0x%04x\n", OMAP_MCBSP_READ(mcbsp[id].io_base, SRGR2));
- DBG("SRGR1: 0x%04x\n", OMAP_MCBSP_READ(mcbsp[id].io_base, SRGR1));
- DBG("PCR0: 0x%04x\n", OMAP_MCBSP_READ(mcbsp[id].io_base, PCR0));
- DBG("***********************\n");
+ dev_dbg(mcbsp[id].dev, "**** McBSP%d regs ****\n", mcbsp[id].id);
+ dev_dbg(mcbsp[id].dev, "DRR2: 0x%04x\n",
+ OMAP_MCBSP_READ(mcbsp[id].io_base, DRR2));
+ dev_dbg(mcbsp[id].dev, "DRR1: 0x%04x\n",
+ OMAP_MCBSP_READ(mcbsp[id].io_base, DRR1));
+ dev_dbg(mcbsp[id].dev, "DXR2: 0x%04x\n",
+ OMAP_MCBSP_READ(mcbsp[id].io_base, DXR2));
+ dev_dbg(mcbsp[id].dev, "DXR1: 0x%04x\n",
+ OMAP_MCBSP_READ(mcbsp[id].io_base, DXR1));
+ dev_dbg(mcbsp[id].dev, "SPCR2: 0x%04x\n",
+ OMAP_MCBSP_READ(mcbsp[id].io_base, SPCR2));
+ dev_dbg(mcbsp[id].dev, "SPCR1: 0x%04x\n",
+ OMAP_MCBSP_READ(mcbsp[id].io_base, SPCR1));
+ dev_dbg(mcbsp[id].dev, "RCR2: 0x%04x\n",
+ OMAP_MCBSP_READ(mcbsp[id].io_base, RCR2));
+ dev_dbg(mcbsp[id].dev, "RCR1: 0x%04x\n",
+ OMAP_MCBSP_READ(mcbsp[id].io_base, RCR1));
+ dev_dbg(mcbsp[id].dev, "XCR2: 0x%04x\n",
+ OMAP_MCBSP_READ(mcbsp[id].io_base, XCR2));
+ dev_dbg(mcbsp[id].dev, "XCR1: 0x%04x\n",
+ OMAP_MCBSP_READ(mcbsp[id].io_base, XCR1));
+ dev_dbg(mcbsp[id].dev, "SRGR2: 0x%04x\n",
+ OMAP_MCBSP_READ(mcbsp[id].io_base, SRGR2));
+ dev_dbg(mcbsp[id].dev, "SRGR1: 0x%04x\n",
+ OMAP_MCBSP_READ(mcbsp[id].io_base, SRGR1));
+ dev_dbg(mcbsp[id].dev, "PCR0: 0x%04x\n",
+ OMAP_MCBSP_READ(mcbsp[id].io_base, PCR0));
+ dev_dbg(mcbsp[id].dev, "***********************\n");
}
static irqreturn_t omap_mcbsp_tx_irq_handler(int irq, void *dev_id)
{
struct omap_mcbsp *mcbsp_tx = dev_id;
- DBG("TX IRQ callback : 0x%x\n",
- OMAP_MCBSP_READ(mcbsp_tx->io_base, SPCR2));
+ dev_dbg(mcbsp_tx->dev, "TX IRQ callback : 0x%x\n",
+ OMAP_MCBSP_READ(mcbsp_tx->io_base, SPCR2));
complete(&mcbsp_tx->tx_irq_completion);
+
return IRQ_HANDLED;
}
@@ -111,10 +82,11 @@ static irqreturn_t omap_mcbsp_rx_irq_handler(int irq, void *dev_id)
{
struct omap_mcbsp *mcbsp_rx = dev_id;
- DBG("RX IRQ callback : 0x%x\n",
- OMAP_MCBSP_READ(mcbsp_rx->io_base, SPCR2));
+ dev_dbg(mcbsp_rx->dev, "RX IRQ callback : 0x%x\n",
+ OMAP_MCBSP_READ(mcbsp_rx->io_base, SPCR2));
complete(&mcbsp_rx->rx_irq_completion);
+
return IRQ_HANDLED;
}
@@ -122,8 +94,8 @@ static void omap_mcbsp_tx_dma_callback(int lch, u16 ch_status, void *data)
{
struct omap_mcbsp *mcbsp_dma_tx = data;
- DBG("TX DMA callback : 0x%x\n",
- OMAP_MCBSP_READ(mcbsp_dma_tx->io_base, SPCR2));
+ dev_dbg(mcbsp_dma_tx->dev, "TX DMA callback : 0x%x\n",
+ OMAP_MCBSP_READ(mcbsp_dma_tx->io_base, SPCR2));
/* We can free the channels */
omap_free_dma(mcbsp_dma_tx->dma_tx_lch);
@@ -136,8 +108,8 @@ static void omap_mcbsp_rx_dma_callback(int lch, u16 ch_status, void *data)
{
struct omap_mcbsp *mcbsp_dma_rx = data;
- DBG("RX DMA callback : 0x%x\n",
- OMAP_MCBSP_READ(mcbsp_dma_rx->io_base, SPCR2));
+ dev_dbg(mcbsp_dma_rx->dev, "RX DMA callback : 0x%x\n",
+ OMAP_MCBSP_READ(mcbsp_dma_rx->io_base, SPCR2));
/* We can free the channels */
omap_free_dma(mcbsp_dma_rx->dma_rx_lch);
@@ -146,19 +118,24 @@ static void omap_mcbsp_rx_dma_callback(int lch, u16 ch_status, void *data)
complete(&mcbsp_dma_rx->rx_dma_completion);
}
-
/*
* omap_mcbsp_config simply write a config to the
* appropriate McBSP.
* You either call this function or set the McBSP registers
* by yourself before calling omap_mcbsp_start().
*/
-
-void omap_mcbsp_config(unsigned int id, const struct omap_mcbsp_reg_cfg * config)
+void omap_mcbsp_config(unsigned int id, const struct omap_mcbsp_reg_cfg *config)
{
- u32 io_base = mcbsp[id].io_base;
+ u32 io_base;
+
+ if (!omap_mcbsp_check_valid_id(id)) {
+ printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1);
+ return;
+ }
- DBG("OMAP-McBSP: McBSP%d io_base: 0x%8x\n", id+1, io_base);
+ io_base = mcbsp[id].io_base;
+ dev_dbg(mcbsp[id].dev, "Configuring McBSP%d io_base: 0x%8x\n",
+ mcbsp[id].id, io_base);
/* We write the given config */
OMAP_MCBSP_WRITE(io_base, SPCR2, config->spcr2);
@@ -173,83 +150,7 @@ void omap_mcbsp_config(unsigned int id, const struct omap_mcbsp_reg_cfg * config
OMAP_MCBSP_WRITE(io_base, MCR1, config->mcr1);
OMAP_MCBSP_WRITE(io_base, PCR0, config->pcr0);
}
-
-
-
-static int omap_mcbsp_check(unsigned int id)
-{
- if (cpu_is_omap730()) {
- if (id > OMAP_MAX_MCBSP_COUNT - 1) {
- printk(KERN_ERR "OMAP-McBSP: McBSP%d doesn't exist\n", id + 1);
- return -1;
- }
- return 0;
- }
-
- if (cpu_is_omap15xx() || cpu_is_omap16xx() || cpu_is_omap24xx()) {
- if (id > OMAP_MAX_MCBSP_COUNT) {
- printk(KERN_ERR "OMAP-McBSP: McBSP%d doesn't exist\n", id + 1);
- return -1;
- }
- return 0;
- }
-
- return -1;
-}
-
-#ifdef CONFIG_ARCH_OMAP1
-static void omap_mcbsp_dsp_request(void)
-{
- if (cpu_is_omap15xx() || cpu_is_omap16xx()) {
- int ret;
-
- ret = omap_dsp_request_mem();
- if (ret < 0) {
- printk(KERN_ERR "Could not get dsp memory: %i\n", ret);
- return;
- }
-
- clk_enable(mcbsp_dsp_ck);
- clk_enable(mcbsp_api_ck);
-
- /* enable 12MHz clock to mcbsp 1 & 3 */
- clk_enable(mcbsp_dspxor_ck);
-
- /*
- * DSP external peripheral reset
- * FIXME: This should be moved to dsp code
- */
- __raw_writew(__raw_readw(DSP_RSTCT2) | 1 | 1 << 1,
- DSP_RSTCT2);
- }
-}
-
-static void omap_mcbsp_dsp_free(void)
-{
- if (cpu_is_omap15xx() || cpu_is_omap16xx()) {
- omap_dsp_release_mem();
- clk_disable(mcbsp_dspxor_ck);
- clk_disable(mcbsp_dsp_ck);
- clk_disable(mcbsp_api_ck);
- }
-}
-#endif
-
-#ifdef CONFIG_ARCH_OMAP2
-static void omap2_mcbsp2_mux_setup(void)
-{
- if (cpu_is_omap2420()) {
- omap_cfg_reg(Y15_24XX_MCBSP2_CLKX);
- omap_cfg_reg(R14_24XX_MCBSP2_FSX);
- omap_cfg_reg(W15_24XX_MCBSP2_DR);
- omap_cfg_reg(V15_24XX_MCBSP2_DX);
- omap_cfg_reg(V14_24XX_GPIO117);
- }
- /*
- * Need to add MUX settings for OMAP 2430 SDP
- */
-}
-#endif
+EXPORT_SYMBOL(omap_mcbsp_config);
/*
* We can choose between IRQ based or polled IO.
@@ -257,13 +158,16 @@ static void omap2_mcbsp2_mux_setup(void)
*/
int omap_mcbsp_set_io_type(unsigned int id, omap_mcbsp_io_type_t io_type)
{
- if (omap_mcbsp_check(id) < 0)
- return -EINVAL;
+ if (!omap_mcbsp_check_valid_id(id)) {
+ printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1);
+ return -ENODEV;
+ }
spin_lock(&mcbsp[id].lock);
if (!mcbsp[id].free) {
- printk (KERN_ERR "OMAP-McBSP: McBSP%d is currently in use\n", id + 1);
+ dev_err(mcbsp[id].dev, "McBSP%d is currently in use\n",
+ mcbsp[id].id);
spin_unlock(&mcbsp[id].lock);
return -EINVAL;
}
@@ -274,38 +178,26 @@ int omap_mcbsp_set_io_type(unsigned int id, omap_mcbsp_io_type_t io_type)
return 0;
}
+EXPORT_SYMBOL(omap_mcbsp_set_io_type);
int omap_mcbsp_request(unsigned int id)
{
int err;
- if (omap_mcbsp_check(id) < 0)
- return -EINVAL;
-
-#ifdef CONFIG_ARCH_OMAP1
- /*
- * On 1510, 1610 and 1710, McBSP1 and McBSP3
- * are DSP public peripherals.
- */
- if (id == OMAP_MCBSP1 || id == OMAP_MCBSP3)
- omap_mcbsp_dsp_request();
-#endif
-
-#ifdef CONFIG_ARCH_OMAP2
- if (cpu_is_omap24xx()) {
- if (id == OMAP_MCBSP1) {
- clk_enable(mcbsp1_ick);
- clk_enable(mcbsp1_fck);
- } else {
- clk_enable(mcbsp2_ick);
- clk_enable(mcbsp2_fck);
- }
+ if (!omap_mcbsp_check_valid_id(id)) {
+ printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1);
+ return -ENODEV;
}
-#endif
+
+ if (mcbsp[id].pdata->ops->request)
+ mcbsp[id].pdata->ops->request(id);
+
+ clk_enable(mcbsp[id].clk);
spin_lock(&mcbsp[id].lock);
if (!mcbsp[id].free) {
- printk (KERN_ERR "OMAP-McBSP: McBSP%d is currently in use\n", id + 1);
+ dev_err(mcbsp[id].dev, "McBSP%d is currently in use\n",
+ mcbsp[id].id);
spin_unlock(&mcbsp[id].lock);
return -1;
}
@@ -315,24 +207,23 @@ int omap_mcbsp_request(unsigned int id)
if (mcbsp[id].io_type == OMAP_MCBSP_IRQ_IO) {
/* We need to get IRQs here */
- err = request_irq(mcbsp[id].tx_irq, omap_mcbsp_tx_irq_handler, 0,
- "McBSP",
- (void *) (&mcbsp[id]));
+ err = request_irq(mcbsp[id].tx_irq, omap_mcbsp_tx_irq_handler,
+ 0, "McBSP", (void *) (&mcbsp[id]));
if (err != 0) {
- printk(KERN_ERR "OMAP-McBSP: Unable to request TX IRQ %d for McBSP%d\n",
- mcbsp[id].tx_irq, mcbsp[id].id);
+ dev_err(mcbsp[id].dev, "Unable to request TX IRQ %d "
+ "for McBSP%d\n", mcbsp[id].tx_irq,
+ mcbsp[id].id);
return err;
}
init_completion(&(mcbsp[id].tx_irq_completion));
-
- err = request_irq(mcbsp[id].rx_irq, omap_mcbsp_rx_irq_handler, 0,
- "McBSP",
- (void *) (&mcbsp[id]));
+ err = request_irq(mcbsp[id].rx_irq, omap_mcbsp_rx_irq_handler,
+ 0, "McBSP", (void *) (&mcbsp[id]));
if (err != 0) {
- printk(KERN_ERR "OMAP-McBSP: Unable to request RX IRQ %d for McBSP%d\n",
- mcbsp[id].rx_irq, mcbsp[id].id);
+ dev_err(mcbsp[id].dev, "Unable to request RX IRQ %d "
+ "for McBSP%d\n", mcbsp[id].rx_irq,
+ mcbsp[id].id);
free_irq(mcbsp[id].tx_irq, (void *) (&mcbsp[id]));
return err;
}
@@ -341,36 +232,25 @@ int omap_mcbsp_request(unsigned int id)
}
return 0;
-
}
+EXPORT_SYMBOL(omap_mcbsp_request);
void omap_mcbsp_free(unsigned int id)
{
- if (omap_mcbsp_check(id) < 0)
+ if (!omap_mcbsp_check_valid_id(id)) {
+ printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1);
return;
-
-#ifdef CONFIG_ARCH_OMAP1
- if (cpu_class_is_omap1()) {
- if (id == OMAP_MCBSP1 || id == OMAP_MCBSP3)
- omap_mcbsp_dsp_free();
}
-#endif
-
-#ifdef CONFIG_ARCH_OMAP2
- if (cpu_is_omap24xx()) {
- if (id == OMAP_MCBSP1) {
- clk_disable(mcbsp1_ick);
- clk_disable(mcbsp1_fck);
- } else {
- clk_disable(mcbsp2_ick);
- clk_disable(mcbsp2_fck);
- }
- }
-#endif
+
+ if (mcbsp[id].pdata->ops->free)
+ mcbsp[id].pdata->ops->free(id);
+
+ clk_disable(mcbsp[id].clk);
spin_lock(&mcbsp[id].lock);
if (mcbsp[id].free) {
- printk (KERN_ERR "OMAP-McBSP: McBSP%d was not reserved\n", id + 1);
+ dev_err(mcbsp[id].dev, "McBSP%d was not reserved\n",
+ mcbsp[id].id);
spin_unlock(&mcbsp[id].lock);
return;
}
@@ -384,6 +264,7 @@ void omap_mcbsp_free(unsigned int id)
free_irq(mcbsp[id].tx_irq, (void *) (&mcbsp[id]));
}
}
+EXPORT_SYMBOL(omap_mcbsp_free);
/*
* Here we start the McBSP, by enabling the sample
@@ -395,13 +276,15 @@ void omap_mcbsp_start(unsigned int id)
u32 io_base;
u16 w;
- if (omap_mcbsp_check(id) < 0)
+ if (!omap_mcbsp_check_valid_id(id)) {
+ printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1);
return;
+ }
io_base = mcbsp[id].io_base;
- mcbsp[id].rx_word_length = ((OMAP_MCBSP_READ(io_base, RCR1) >> 5) & 0x7);
- mcbsp[id].tx_word_length = ((OMAP_MCBSP_READ(io_base, XCR1) >> 5) & 0x7);
+ mcbsp[id].rx_word_length = (OMAP_MCBSP_READ(io_base, RCR1) >> 5) & 0x7;
+ mcbsp[id].tx_word_length = (OMAP_MCBSP_READ(io_base, XCR1) >> 5) & 0x7;
/* Start the sample generator */
w = OMAP_MCBSP_READ(io_base, SPCR2);
@@ -422,20 +305,22 @@ void omap_mcbsp_start(unsigned int id)
/* Dump McBSP Regs */
omap_mcbsp_dump_reg(id);
-
}
+EXPORT_SYMBOL(omap_mcbsp_start);
void omap_mcbsp_stop(unsigned int id)
{
u32 io_base;
u16 w;
- if (omap_mcbsp_check(id) < 0)
+ if (!omap_mcbsp_check_valid_id(id)) {
+ printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1);
return;
+ }
io_base = mcbsp[id].io_base;
- /* Reset transmitter */
+ /* Reset transmitter */
w = OMAP_MCBSP_READ(io_base, SPCR2);
OMAP_MCBSP_WRITE(io_base, SPCR2, w & ~(1));
@@ -447,12 +332,19 @@ void omap_mcbsp_stop(unsigned int id)
w = OMAP_MCBSP_READ(io_base, SPCR2);
OMAP_MCBSP_WRITE(io_base, SPCR2, w & ~(1 << 6));
}
-
+EXPORT_SYMBOL(omap_mcbsp_stop);
/* polled mcbsp i/o operations */
int omap_mcbsp_pollwrite(unsigned int id, u16 buf)
{
- u32 base = mcbsp[id].io_base;
+ u32 base;
+
+ if (!omap_mcbsp_check_valid_id(id)) {
+ printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1);
+ return -ENODEV;
+ }
+
+ base = mcbsp[id].io_base;
writew(buf, base + OMAP_MCBSP_REG_DXR1);
/* if frame sync error - clear the error */
if (readw(base + OMAP_MCBSP_REG_SPCR2) & XSYNC_ERR) {
@@ -474,18 +366,27 @@ int omap_mcbsp_pollwrite(unsigned int id, u16 buf)
(XRST),
base + OMAP_MCBSP_REG_SPCR2);
udelay(10);
- printk(KERN_ERR
- " Could not write to McBSP Register\n");
+ dev_err(mcbsp[id].dev, "Could not write to"
+ " McBSP%d Register\n", mcbsp[id].id);
return -2;
}
}
}
+
return 0;
}
+EXPORT_SYMBOL(omap_mcbsp_pollwrite);
-int omap_mcbsp_pollread(unsigned int id, u16 * buf)
+int omap_mcbsp_pollread(unsigned int id, u16 *buf)
{
- u32 base = mcbsp[id].io_base;
+ u32 base;
+
+ if (!omap_mcbsp_check_valid_id(id)) {
+ printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1);
+ return -ENODEV;
+ }
+
+ base = mcbsp[id].io_base;
/* if frame sync error - clear the error */
if (readw(base + OMAP_MCBSP_REG_SPCR1) & RSYNC_ERR) {
/* clear error */
@@ -506,15 +407,17 @@ int omap_mcbsp_pollread(unsigned int id, u16 * buf)
(RRST),
base + OMAP_MCBSP_REG_SPCR1);
udelay(10);
- printk(KERN_ERR
- " Could not read from McBSP Register\n");
+ dev_err(mcbsp[id].dev, "Could not read from"
+ " McBSP%d Register\n", mcbsp[id].id);
return -2;
}
}
}
*buf = readw(base + OMAP_MCBSP_REG_DRR1);
+
return 0;
}
+EXPORT_SYMBOL(omap_mcbsp_pollread);
/*
* IRQ based word transmission.
@@ -522,12 +425,15 @@ int omap_mcbsp_pollread(unsigned int id, u16 * buf)
void omap_mcbsp_xmit_word(unsigned int id, u32 word)
{
u32 io_base;
- omap_mcbsp_word_length word_length = mcbsp[id].tx_word_length;
+ omap_mcbsp_word_length word_length;
- if (omap_mcbsp_check(id) < 0)
+ if (!omap_mcbsp_check_valid_id(id)) {
+ printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1);
return;
+ }
io_base = mcbsp[id].io_base;
+ word_length = mcbsp[id].tx_word_length;
wait_for_completion(&(mcbsp[id].tx_irq_completion));
@@ -535,16 +441,20 @@ void omap_mcbsp_xmit_word(unsigned int id, u32 word)
OMAP_MCBSP_WRITE(io_base, DXR2, word >> 16);
OMAP_MCBSP_WRITE(io_base, DXR1, word & 0xffff);
}
+EXPORT_SYMBOL(omap_mcbsp_xmit_word);
u32 omap_mcbsp_recv_word(unsigned int id)
{
u32 io_base;
u16 word_lsb, word_msb = 0;
- omap_mcbsp_word_length word_length = mcbsp[id].rx_word_length;
+ omap_mcbsp_word_length word_length;
- if (omap_mcbsp_check(id) < 0)
- return -EINVAL;
+ if (!omap_mcbsp_check_valid_id(id)) {
+ printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1);
+ return -ENODEV;
+ }
+ word_length = mcbsp[id].rx_word_length;
io_base = mcbsp[id].io_base;
wait_for_completion(&(mcbsp[id].rx_irq_completion));
@@ -555,15 +465,24 @@ u32 omap_mcbsp_recv_word(unsigned int id)
return (word_lsb | (word_msb << 16));
}
-
+EXPORT_SYMBOL(omap_mcbsp_recv_word);
int omap_mcbsp_spi_master_xmit_word_poll(unsigned int id, u32 word)
{
- u32 io_base = mcbsp[id].io_base;
- omap_mcbsp_word_length tx_word_length = mcbsp[id].tx_word_length;
- omap_mcbsp_word_length rx_word_length = mcbsp[id].rx_word_length;
+ u32 io_base;
+ omap_mcbsp_word_length tx_word_length;
+ omap_mcbsp_word_length rx_word_length;
u16 spcr2, spcr1, attempts = 0, word_lsb, word_msb = 0;
+ if (!omap_mcbsp_check_valid_id(id)) {
+ printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1);
+ return -ENODEV;
+ }
+
+ io_base = mcbsp[id].io_base;
+ tx_word_length = mcbsp[id].tx_word_length;
+ rx_word_length = mcbsp[id].rx_word_length;
+
if (tx_word_length != rx_word_length)
return -EINVAL;
@@ -577,7 +496,8 @@ int omap_mcbsp_spi_master_xmit_word_poll(unsigned int id, u32 word)
udelay(10);
OMAP_MCBSP_WRITE(io_base, SPCR2, spcr2 | XRST);
udelay(10);
- printk("McBSP transmitter not ready\n");
+ dev_err(mcbsp[id].dev, "McBSP%d transmitter not "
+ "ready\n", mcbsp[id].id);
return -EAGAIN;
}
}
@@ -597,7 +517,8 @@ int omap_mcbsp_spi_master_xmit_word_poll(unsigned int id, u32 word)
udelay(10);
OMAP_MCBSP_WRITE(io_base, SPCR1, spcr1 | RRST);
udelay(10);
- printk("McBSP receiver not ready\n");
+ dev_err(mcbsp[id].dev, "McBSP%d receiver not "
+ "ready\n", mcbsp[id].id);
return -EAGAIN;
}
}
@@ -609,14 +530,24 @@ int omap_mcbsp_spi_master_xmit_word_poll(unsigned int id, u32 word)
return 0;
}
+EXPORT_SYMBOL(omap_mcbsp_spi_master_xmit_word_poll);
-int omap_mcbsp_spi_master_recv_word_poll(unsigned int id, u32 * word)
+int omap_mcbsp_spi_master_recv_word_poll(unsigned int id, u32 *word)
{
- u32 io_base = mcbsp[id].io_base, clock_word = 0;
- omap_mcbsp_word_length tx_word_length = mcbsp[id].tx_word_length;
- omap_mcbsp_word_length rx_word_length = mcbsp[id].rx_word_length;
+ u32 io_base, clock_word = 0;
+ omap_mcbsp_word_length tx_word_length;
+ omap_mcbsp_word_length rx_word_length;
u16 spcr2, spcr1, attempts = 0, word_lsb, word_msb = 0;
+ if (!omap_mcbsp_check_valid_id(id)) {
+ printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1);
+ return -ENODEV;
+ }
+
+ io_base = mcbsp[id].io_base;
+ tx_word_length = mcbsp[id].tx_word_length;
+ rx_word_length = mcbsp[id].rx_word_length;
+
if (tx_word_length != rx_word_length)
return -EINVAL;
@@ -630,7 +561,8 @@ int omap_mcbsp_spi_master_recv_word_poll(unsigned int id, u32 * word)
udelay(10);
OMAP_MCBSP_WRITE(io_base, SPCR2, spcr2 | XRST);
udelay(10);
- printk("McBSP transmitter not ready\n");
+ dev_err(mcbsp[id].dev, "McBSP%d transmitter not "
+ "ready\n", mcbsp[id].id);
return -EAGAIN;
}
}
@@ -650,7 +582,8 @@ int omap_mcbsp_spi_master_recv_word_poll(unsigned int id, u32 * word)
udelay(10);
OMAP_MCBSP_WRITE(io_base, SPCR1, spcr1 | RRST);
udelay(10);
- printk("McBSP receiver not ready\n");
+ dev_err(mcbsp[id].dev, "McBSP%d receiver not "
+ "ready\n", mcbsp[id].id);
return -EAGAIN;
}
}
@@ -664,7 +597,7 @@ int omap_mcbsp_spi_master_recv_word_poll(unsigned int id, u32 * word)
return 0;
}
-
+EXPORT_SYMBOL(omap_mcbsp_spi_master_recv_word_poll);
/*
* Simple DMA based buffer rx/tx routines.
@@ -673,25 +606,32 @@ int omap_mcbsp_spi_master_recv_word_poll(unsigned int id, u32 * word)
* For anything fancier, you should use your own customized DMA
* routines and callbacks.
*/
-int omap_mcbsp_xmit_buffer(unsigned int id, dma_addr_t buffer, unsigned int length)
+int omap_mcbsp_xmit_buffer(unsigned int id, dma_addr_t buffer,
+ unsigned int length)
{
int dma_tx_ch;
int src_port = 0;
int dest_port = 0;
int sync_dev = 0;
- if (omap_mcbsp_check(id) < 0)
- return -EINVAL;
+ if (!omap_mcbsp_check_valid_id(id)) {
+ printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1);
+ return -ENODEV;
+ }
- if (omap_request_dma(mcbsp[id].dma_tx_sync, "McBSP TX", omap_mcbsp_tx_dma_callback,
- &mcbsp[id],
- &dma_tx_ch)) {
- printk("OMAP-McBSP: Unable to request DMA channel for McBSP%d TX. Trying IRQ based TX\n", id+1);
+ if (omap_request_dma(mcbsp[id].dma_tx_sync, "McBSP TX",
+ omap_mcbsp_tx_dma_callback,
+ &mcbsp[id],
+ &dma_tx_ch)) {
+ dev_err(mcbsp[id].dev, " Unable to request DMA channel for "
+ "McBSP%d TX. Trying IRQ based TX\n",
+ mcbsp[id].id);
return -EAGAIN;
}
mcbsp[id].dma_tx_lch = dma_tx_ch;
- DBG("TX DMA on channel %d\n", dma_tx_ch);
+ dev_err(mcbsp[id].dev, "McBSP%d TX DMA on channel %d\n", mcbsp[id].id,
+ dma_tx_ch);
init_completion(&(mcbsp[id].tx_dma_completion));
@@ -699,7 +639,7 @@ int omap_mcbsp_xmit_buffer(unsigned int id, dma_addr_t buffer, unsigned int leng
src_port = OMAP_DMA_PORT_TIPB;
dest_port = OMAP_DMA_PORT_EMIFF;
}
- if (cpu_is_omap24xx())
+ if (cpu_class_is_omap2())
sync_dev = mcbsp[id].dma_tx_sync;
omap_set_dma_transfer_params(mcbsp[id].dma_tx_lch,
@@ -722,29 +662,37 @@ int omap_mcbsp_xmit_buffer(unsigned int id, dma_addr_t buffer, unsigned int leng
omap_start_dma(mcbsp[id].dma_tx_lch);
wait_for_completion(&(mcbsp[id].tx_dma_completion));
+
return 0;
}
+EXPORT_SYMBOL(omap_mcbsp_xmit_buffer);
-
-int omap_mcbsp_recv_buffer(unsigned int id, dma_addr_t buffer, unsigned int length)
+int omap_mcbsp_recv_buffer(unsigned int id, dma_addr_t buffer,
+ unsigned int length)
{
int dma_rx_ch;
int src_port = 0;
int dest_port = 0;
int sync_dev = 0;
- if (omap_mcbsp_check(id) < 0)
- return -EINVAL;
+ if (!omap_mcbsp_check_valid_id(id)) {
+ printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1);
+ return -ENODEV;
+ }
- if (omap_request_dma(mcbsp[id].dma_rx_sync, "McBSP RX", omap_mcbsp_rx_dma_callback,
- &mcbsp[id],
- &dma_rx_ch)) {
- printk("Unable to request DMA channel for McBSP%d RX. Trying IRQ based RX\n", id+1);
+ if (omap_request_dma(mcbsp[id].dma_rx_sync, "McBSP RX",
+ omap_mcbsp_rx_dma_callback,
+ &mcbsp[id],
+ &dma_rx_ch)) {
+ dev_err(mcbsp[id].dev, "Unable to request DMA channel for "
+ "McBSP%d RX. Trying IRQ based RX\n",
+ mcbsp[id].id);
return -EAGAIN;
}
mcbsp[id].dma_rx_lch = dma_rx_ch;
- DBG("RX DMA on channel %d\n", dma_rx_ch);
+ dev_err(mcbsp[id].dev, "McBSP%d RX DMA on channel %d\n", mcbsp[id].id,
+ dma_rx_ch);
init_completion(&(mcbsp[id].rx_dma_completion));
@@ -752,14 +700,14 @@ int omap_mcbsp_recv_buffer(unsigned int id, dma_addr_t buffer, unsigned int leng
src_port = OMAP_DMA_PORT_TIPB;
dest_port = OMAP_DMA_PORT_EMIFF;
}
- if (cpu_is_omap24xx())
+ if (cpu_class_is_omap2())
sync_dev = mcbsp[id].dma_rx_sync;
omap_set_dma_transfer_params(mcbsp[id].dma_rx_lch,
- OMAP_DMA_DATA_TYPE_S16,
- length >> 1, 1,
- OMAP_DMA_SYNC_ELEMENT,
- sync_dev, 0);
+ OMAP_DMA_DATA_TYPE_S16,
+ length >> 1, 1,
+ OMAP_DMA_SYNC_ELEMENT,
+ sync_dev, 0);
omap_set_dma_src_params(mcbsp[id].dma_rx_lch,
src_port,
@@ -768,16 +716,17 @@ int omap_mcbsp_recv_buffer(unsigned int id, dma_addr_t buffer, unsigned int leng
0, 0);
omap_set_dma_dest_params(mcbsp[id].dma_rx_lch,
- dest_port,
- OMAP_DMA_AMODE_POST_INC,
- buffer,
- 0, 0);
+ dest_port,
+ OMAP_DMA_AMODE_POST_INC,
+ buffer,
+ 0, 0);
omap_start_dma(mcbsp[id].dma_rx_lch);
wait_for_completion(&(mcbsp[id].rx_dma_completion));
+
return 0;
}
-
+EXPORT_SYMBOL(omap_mcbsp_recv_buffer);
/*
* SPI wrapper.
@@ -785,12 +734,15 @@ int omap_mcbsp_recv_buffer(unsigned int id, dma_addr_t buffer, unsigned int leng
* this wrapper just need an omap_mcbsp_spi_cfg structure as an input.
* Once this is done, you can call omap_mcbsp_start().
*/
-void omap_mcbsp_set_spi_mode(unsigned int id, const struct omap_mcbsp_spi_cfg * spi_cfg)
+void omap_mcbsp_set_spi_mode(unsigned int id,
+ const struct omap_mcbsp_spi_cfg *spi_cfg)
{
struct omap_mcbsp_reg_cfg mcbsp_cfg;
- if (omap_mcbsp_check(id) < 0)
+ if (!omap_mcbsp_check_valid_id(id)) {
+ printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1);
return;
+ }
memset(&mcbsp_cfg, 0, sizeof(struct omap_mcbsp_reg_cfg));
@@ -798,7 +750,7 @@ void omap_mcbsp_set_spi_mode(unsigned int id, const struct omap_mcbsp_spi_cfg *
mcbsp_cfg.rcr1 |= (RWDLEN1(spi_cfg->word_length) | RFRLEN1(0));
mcbsp_cfg.xcr1 |= (XWDLEN1(spi_cfg->word_length) | XFRLEN1(0));
- /* Clock stop mode */
+ /* Clock stop mode */
if (spi_cfg->clk_stp_mode == OMAP_MCBSP_CLK_STP_MODE_NO_DELAY)
mcbsp_cfg.spcr1 |= (1 << 12);
else
@@ -827,13 +779,12 @@ void omap_mcbsp_set_spi_mode(unsigned int id, const struct omap_mcbsp_spi_cfg *
if (spi_cfg->spi_mode == OMAP_MCBSP_SPI_MASTER) {
mcbsp_cfg.pcr0 |= CLKXM;
- mcbsp_cfg.srgr1 |= CLKGDV(spi_cfg->clk_div -1);
+ mcbsp_cfg.srgr1 |= CLKGDV(spi_cfg->clk_div - 1);
mcbsp_cfg.pcr0 |= FSXM;
mcbsp_cfg.srgr2 &= ~FSGM;
mcbsp_cfg.xcr2 |= XDATDLY(1);
mcbsp_cfg.rcr2 |= RDATDLY(1);
- }
- else {
+ } else {
mcbsp_cfg.pcr0 &= ~CLKXM;
mcbsp_cfg.srgr1 |= CLKGDV(1);
mcbsp_cfg.pcr0 &= ~FSXM;
@@ -846,199 +797,99 @@ void omap_mcbsp_set_spi_mode(unsigned int id, const struct omap_mcbsp_spi_cfg *
omap_mcbsp_config(id, &mcbsp_cfg);
}
-
+EXPORT_SYMBOL(omap_mcbsp_set_spi_mode);
/*
* McBSP1 and McBSP3 are directly mapped on 1610 and 1510.
* 730 has only 2 McBSP, and both of them are MPU peripherals.
*/
-struct omap_mcbsp_info {
- u32 virt_base;
- u8 dma_rx_sync, dma_tx_sync;
- u16 rx_irq, tx_irq;
-};
+static int __init omap_mcbsp_probe(struct platform_device *pdev)
+{
+ struct omap_mcbsp_platform_data *pdata = pdev->dev.platform_data;
+ int id = pdev->id - 1;
+ int ret = 0;
-#ifdef CONFIG_ARCH_OMAP730
-static const struct omap_mcbsp_info mcbsp_730[] = {
- [0] = { .virt_base = io_p2v(OMAP730_MCBSP1_BASE),
- .dma_rx_sync = OMAP_DMA_MCBSP1_RX,
- .dma_tx_sync = OMAP_DMA_MCBSP1_TX,
- .rx_irq = INT_730_McBSP1RX,
- .tx_irq = INT_730_McBSP1TX },
- [1] = { .virt_base = io_p2v(OMAP730_MCBSP2_BASE),
- .dma_rx_sync = OMAP_DMA_MCBSP3_RX,
- .dma_tx_sync = OMAP_DMA_MCBSP3_TX,
- .rx_irq = INT_730_McBSP2RX,
- .tx_irq = INT_730_McBSP2TX },
-};
-#endif
-
-#ifdef CONFIG_ARCH_OMAP15XX
-static const struct omap_mcbsp_info mcbsp_1510[] = {
- [0] = { .virt_base = OMAP1510_MCBSP1_BASE,
- .dma_rx_sync = OMAP_DMA_MCBSP1_RX,
- .dma_tx_sync = OMAP_DMA_MCBSP1_TX,
- .rx_irq = INT_McBSP1RX,
- .tx_irq = INT_McBSP1TX },
- [1] = { .virt_base = io_p2v(OMAP1510_MCBSP2_BASE),
- .dma_rx_sync = OMAP_DMA_MCBSP2_RX,
- .dma_tx_sync = OMAP_DMA_MCBSP2_TX,
- .rx_irq = INT_1510_SPI_RX,
- .tx_irq = INT_1510_SPI_TX },
- [2] = { .virt_base = OMAP1510_MCBSP3_BASE,
- .dma_rx_sync = OMAP_DMA_MCBSP3_RX,
- .dma_tx_sync = OMAP_DMA_MCBSP3_TX,
- .rx_irq = INT_McBSP3RX,
- .tx_irq = INT_McBSP3TX },
-};
-#endif
-
-#if defined(CONFIG_ARCH_OMAP16XX)
-static const struct omap_mcbsp_info mcbsp_1610[] = {
- [0] = { .virt_base = OMAP1610_MCBSP1_BASE,
- .dma_rx_sync = OMAP_DMA_MCBSP1_RX,
- .dma_tx_sync = OMAP_DMA_MCBSP1_TX,
- .rx_irq = INT_McBSP1RX,
- .tx_irq = INT_McBSP1TX },
- [1] = { .virt_base = io_p2v(OMAP1610_MCBSP2_BASE),
- .dma_rx_sync = OMAP_DMA_MCBSP2_RX,
- .dma_tx_sync = OMAP_DMA_MCBSP2_TX,
- .rx_irq = INT_1610_McBSP2_RX,
- .tx_irq = INT_1610_McBSP2_TX },
- [2] = { .virt_base = OMAP1610_MCBSP3_BASE,
- .dma_rx_sync = OMAP_DMA_MCBSP3_RX,
- .dma_tx_sync = OMAP_DMA_MCBSP3_TX,
- .rx_irq = INT_McBSP3RX,
- .tx_irq = INT_McBSP3TX },
-};
-#endif
-
-#if defined(CONFIG_ARCH_OMAP24XX)
-static const struct omap_mcbsp_info mcbsp_24xx[] = {
- [0] = { .virt_base = IO_ADDRESS(OMAP24XX_MCBSP1_BASE),
- .dma_rx_sync = OMAP24XX_DMA_MCBSP1_RX,
- .dma_tx_sync = OMAP24XX_DMA_MCBSP1_TX,
- .rx_irq = INT_24XX_MCBSP1_IRQ_RX,
- .tx_irq = INT_24XX_MCBSP1_IRQ_TX,
- },
- [1] = { .virt_base = IO_ADDRESS(OMAP24XX_MCBSP2_BASE),
- .dma_rx_sync = OMAP24XX_DMA_MCBSP2_RX,
- .dma_tx_sync = OMAP24XX_DMA_MCBSP2_TX,
- .rx_irq = INT_24XX_MCBSP2_IRQ_RX,
- .tx_irq = INT_24XX_MCBSP2_IRQ_TX,
- },
-};
-#endif
+ if (!pdata) {
+ dev_err(&pdev->dev, "McBSP device initialized without"
+ "platform data\n");
+ ret = -EINVAL;
+ goto exit;
+ }
+
+ dev_dbg(&pdev->dev, "Initializing OMAP McBSP (%d).\n", pdev->id);
+
+ if (id >= OMAP_MAX_MCBSP_COUNT) {
+ dev_err(&pdev->dev, "Invalid McBSP device id (%d)\n", id);
+ ret = -EINVAL;
+ goto exit;
+ }
+
+ spin_lock_init(&mcbsp[id].lock);
+ mcbsp[id].id = id + 1;
+ mcbsp[id].free = 1;
+ mcbsp[id].dma_tx_lch = -1;
+ mcbsp[id].dma_rx_lch = -1;
+
+ mcbsp[id].io_base = pdata->virt_base;
+ /* Default I/O is IRQ based */
+ mcbsp[id].io_type = OMAP_MCBSP_IRQ_IO;
+ mcbsp[id].tx_irq = pdata->tx_irq;
+ mcbsp[id].rx_irq = pdata->rx_irq;
+ mcbsp[id].dma_rx_sync = pdata->dma_rx_sync;
+ mcbsp[id].dma_tx_sync = pdata->dma_tx_sync;
+
+ if (pdata->clk_name)
+ mcbsp[id].clk = clk_get(&pdev->dev, pdata->clk_name);
+ if (IS_ERR(mcbsp[id].clk)) {
+ mcbsp[id].free = 0;
+ dev_err(&pdev->dev,
+ "Invalid clock configuration for McBSP%d.\n",
+ mcbsp[id].id);
+ ret = -EINVAL;
+ goto exit;
+ }
+
+ mcbsp[id].pdata = pdata;
+ mcbsp[id].dev = &pdev->dev;
+ platform_set_drvdata(pdev, &mcbsp[id]);
+
+exit:
+ return ret;
+}
-static int __init omap_mcbsp_init(void)
+static int omap_mcbsp_remove(struct platform_device *pdev)
{
- int mcbsp_count = 0, i;
- static const struct omap_mcbsp_info *mcbsp_info;
+ struct omap_mcbsp *mcbsp = platform_get_drvdata(pdev);
- printk("Initializing OMAP McBSP system\n");
+ platform_set_drvdata(pdev, NULL);
+ if (mcbsp) {
-#ifdef CONFIG_ARCH_OMAP1
- mcbsp_dsp_ck = clk_get(0, "dsp_ck");
- if (IS_ERR(mcbsp_dsp_ck)) {
- printk(KERN_ERR "mcbsp: could not acquire dsp_ck handle.\n");
- return PTR_ERR(mcbsp_dsp_ck);
- }
- mcbsp_api_ck = clk_get(0, "api_ck");
- if (IS_ERR(mcbsp_api_ck)) {
- printk(KERN_ERR "mcbsp: could not acquire api_ck handle.\n");
- return PTR_ERR(mcbsp_api_ck);
- }
- mcbsp_dspxor_ck = clk_get(0, "dspxor_ck");
- if (IS_ERR(mcbsp_dspxor_ck)) {
- printk(KERN_ERR "mcbsp: could not acquire dspxor_ck handle.\n");
- return PTR_ERR(mcbsp_dspxor_ck);
- }
-#endif
-#ifdef CONFIG_ARCH_OMAP2
- mcbsp1_ick = clk_get(0, "mcbsp1_ick");
- if (IS_ERR(mcbsp1_ick)) {
- printk(KERN_ERR "mcbsp: could not acquire mcbsp1_ick handle.\n");
- return PTR_ERR(mcbsp1_ick);
- }
- mcbsp1_fck = clk_get(0, "mcbsp1_fck");
- if (IS_ERR(mcbsp1_fck)) {
- printk(KERN_ERR "mcbsp: could not acquire mcbsp1_fck handle.\n");
- return PTR_ERR(mcbsp1_fck);
- }
- mcbsp2_ick = clk_get(0, "mcbsp2_ick");
- if (IS_ERR(mcbsp2_ick)) {
- printk(KERN_ERR "mcbsp: could not acquire mcbsp2_ick handle.\n");
- return PTR_ERR(mcbsp2_ick);
- }
- mcbsp2_fck = clk_get(0, "mcbsp2_fck");
- if (IS_ERR(mcbsp2_fck)) {
- printk(KERN_ERR "mcbsp: could not acquire mcbsp2_fck handle.\n");
- return PTR_ERR(mcbsp2_fck);
- }
-#endif
+ if (mcbsp->pdata && mcbsp->pdata->ops &&
+ mcbsp->pdata->ops->free)
+ mcbsp->pdata->ops->free(mcbsp->id);
-#ifdef CONFIG_ARCH_OMAP730
- if (cpu_is_omap730()) {
- mcbsp_info = mcbsp_730;
- mcbsp_count = ARRAY_SIZE(mcbsp_730);
- }
-#endif
-#ifdef CONFIG_ARCH_OMAP15XX
- if (cpu_is_omap15xx()) {
- mcbsp_info = mcbsp_1510;
- mcbsp_count = ARRAY_SIZE(mcbsp_1510);
- }
-#endif
-#if defined(CONFIG_ARCH_OMAP16XX)
- if (cpu_is_omap16xx()) {
- mcbsp_info = mcbsp_1610;
- mcbsp_count = ARRAY_SIZE(mcbsp_1610);
- }
-#endif
-#if defined(CONFIG_ARCH_OMAP24XX)
- if (cpu_is_omap24xx()) {
- mcbsp_info = mcbsp_24xx;
- mcbsp_count = ARRAY_SIZE(mcbsp_24xx);
- omap2_mcbsp2_mux_setup();
- }
-#endif
- for (i = 0; i < OMAP_MAX_MCBSP_COUNT ; i++) {
- if (i >= mcbsp_count) {
- mcbsp[i].io_base = 0;
- mcbsp[i].free = 0;
- continue;
- }
- mcbsp[i].id = i + 1;
- mcbsp[i].free = 1;
- mcbsp[i].dma_tx_lch = -1;
- mcbsp[i].dma_rx_lch = -1;
-
- mcbsp[i].io_base = mcbsp_info[i].virt_base;
- mcbsp[i].io_type = OMAP_MCBSP_IRQ_IO; /* Default I/O is IRQ based */
- mcbsp[i].tx_irq = mcbsp_info[i].tx_irq;
- mcbsp[i].rx_irq = mcbsp_info[i].rx_irq;
- mcbsp[i].dma_rx_sync = mcbsp_info[i].dma_rx_sync;
- mcbsp[i].dma_tx_sync = mcbsp_info[i].dma_tx_sync;
- spin_lock_init(&mcbsp[i].lock);
+ clk_disable(mcbsp->clk);
+ clk_put(mcbsp->clk);
+
+ mcbsp->clk = NULL;
+ mcbsp->free = 0;
+ mcbsp->dev = NULL;
}
return 0;
}
-arch_initcall(omap_mcbsp_init);
+static struct platform_driver omap_mcbsp_driver = {
+ .probe = omap_mcbsp_probe,
+ .remove = omap_mcbsp_remove,
+ .driver = {
+ .name = "omap-mcbsp",
+ },
+};
+
+int __init omap_mcbsp_init(void)
+{
+ /* Register the McBSP driver */
+ return platform_driver_register(&omap_mcbsp_driver);
+}
-EXPORT_SYMBOL(omap_mcbsp_config);
-EXPORT_SYMBOL(omap_mcbsp_request);
-EXPORT_SYMBOL(omap_mcbsp_set_io_type);
-EXPORT_SYMBOL(omap_mcbsp_free);
-EXPORT_SYMBOL(omap_mcbsp_start);
-EXPORT_SYMBOL(omap_mcbsp_stop);
-EXPORT_SYMBOL(omap_mcbsp_pollread);
-EXPORT_SYMBOL(omap_mcbsp_pollwrite);
-EXPORT_SYMBOL(omap_mcbsp_xmit_word);
-EXPORT_SYMBOL(omap_mcbsp_recv_word);
-EXPORT_SYMBOL(omap_mcbsp_xmit_buffer);
-EXPORT_SYMBOL(omap_mcbsp_recv_buffer);
-EXPORT_SYMBOL(omap_mcbsp_spi_master_xmit_word_poll);
-EXPORT_SYMBOL(omap_mcbsp_spi_master_recv_word_poll);
-EXPORT_SYMBOL(omap_mcbsp_set_spi_mode);
diff --git a/arch/arm/plat-omap/sram.c b/arch/arm/plat-omap/sram.c
index 1f23f0459e5..554ee58e129 100644
--- a/arch/arm/plat-omap/sram.c
+++ b/arch/arm/plat-omap/sram.c
@@ -10,6 +10,7 @@
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
+#undef DEBUG
#include <linux/module.h>
#include <linux/kernel.h>
@@ -24,25 +25,43 @@
#include <asm/arch/sram.h>
#include <asm/arch/board.h>
+#include <asm/arch/control.h>
+
+#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)
+# include "../mach-omap2/prm.h"
+# include "../mach-omap2/cm.h"
+# include "../mach-omap2/sdrc.h"
+#endif
+
#define OMAP1_SRAM_PA 0x20000000
-#define OMAP1_SRAM_VA 0xd0000000
+#define OMAP1_SRAM_VA VMALLOC_END
#define OMAP2_SRAM_PA 0x40200000
#define OMAP2_SRAM_PUB_PA 0x4020f800
-#define OMAP2_SRAM_VA 0xd0000000
-#define OMAP2_SRAM_PUB_VA 0xd0000800
-
-#if defined(CONFIG_ARCH_OMAP24XX)
+#define OMAP2_SRAM_VA VMALLOC_END
+#define OMAP2_SRAM_PUB_VA (VMALLOC_END + 0x800)
+#define OMAP3_SRAM_PA 0x40200000
+#define OMAP3_SRAM_VA 0xd7000000
+#define OMAP3_SRAM_PUB_PA 0x40208000
+#define OMAP3_SRAM_PUB_VA 0xd7008000
+
+#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)
#define SRAM_BOOTLOADER_SZ 0x00
#else
#define SRAM_BOOTLOADER_SZ 0x80
#endif
-#define VA_REQINFOPERM0 IO_ADDRESS(0x68005048)
-#define VA_READPERM0 IO_ADDRESS(0x68005050)
-#define VA_WRITEPERM0 IO_ADDRESS(0x68005058)
-#define VA_CONTROL_STAT IO_ADDRESS(0x480002F8)
+#define OMAP24XX_VA_REQINFOPERM0 IO_ADDRESS(0x68005048)
+#define OMAP24XX_VA_READPERM0 IO_ADDRESS(0x68005050)
+#define OMAP24XX_VA_WRITEPERM0 IO_ADDRESS(0x68005058)
+
+#define OMAP34XX_VA_REQINFOPERM0 IO_ADDRESS(0x68012848)
+#define OMAP34XX_VA_READPERM0 IO_ADDRESS(0x68012850)
+#define OMAP34XX_VA_WRITEPERM0 IO_ADDRESS(0x68012858)
+#define OMAP34XX_VA_ADDR_MATCH2 IO_ADDRESS(0x68012880)
+#define OMAP34XX_VA_SMS_RG_ATT0 IO_ADDRESS(0x6C000048)
+#define OMAP34XX_VA_CONTROL_STAT IO_ADDRESS(0x480022F0)
+
#define GP_DEVICE 0x300
-#define TYPE_MASK 0x700
#define ROUND_DOWN(value,boundary) ((value) & (~((boundary)-1)))
@@ -68,14 +87,21 @@ static int is_sram_locked(void)
int type = 0;
if (cpu_is_omap242x())
- type = __raw_readl(VA_CONTROL_STAT) & TYPE_MASK;
+ type = system_rev & OMAP2_DEVICETYPE_MASK;
if (type == GP_DEVICE) {
/* RAMFW: R/W access to all initiators for all qualifier sets */
if (cpu_is_omap242x()) {
- __raw_writel(0xFF, VA_REQINFOPERM0); /* all q-vects */
- __raw_writel(0xCFDE, VA_READPERM0); /* all i-read */
- __raw_writel(0xCFDE, VA_WRITEPERM0); /* all i-write */
+ __raw_writel(0xFF, OMAP24XX_VA_REQINFOPERM0); /* all q-vects */
+ __raw_writel(0xCFDE, OMAP24XX_VA_READPERM0); /* all i-read */
+ __raw_writel(0xCFDE, OMAP24XX_VA_WRITEPERM0); /* all i-write */
+ }
+ if (cpu_is_omap34xx()) {
+ __raw_writel(0xFFFF, OMAP34XX_VA_REQINFOPERM0); /* all q-vects */
+ __raw_writel(0xFFFF, OMAP34XX_VA_READPERM0); /* all i-read */
+ __raw_writel(0xFFFF, OMAP34XX_VA_WRITEPERM0); /* all i-write */
+ __raw_writel(0x0, OMAP34XX_VA_ADDR_MATCH2);
+ __raw_writel(0xFFFFFFFF, OMAP34XX_VA_SMS_RG_ATT0);
}
return 0;
} else
@@ -92,18 +118,30 @@ void __init omap_detect_sram(void)
{
unsigned long reserved;
- if (cpu_is_omap24xx()) {
+ if (cpu_class_is_omap2()) {
if (is_sram_locked()) {
- omap_sram_base = OMAP2_SRAM_PUB_VA;
- omap_sram_start = OMAP2_SRAM_PUB_PA;
- omap_sram_size = 0x800; /* 2K */
+ if (cpu_is_omap34xx()) {
+ omap_sram_base = OMAP3_SRAM_PUB_VA;
+ omap_sram_start = OMAP3_SRAM_PUB_PA;
+ omap_sram_size = 0x8000; /* 32K */
+ } else {
+ omap_sram_base = OMAP2_SRAM_PUB_VA;
+ omap_sram_start = OMAP2_SRAM_PUB_PA;
+ omap_sram_size = 0x800; /* 2K */
+ }
} else {
- omap_sram_base = OMAP2_SRAM_VA;
- omap_sram_start = OMAP2_SRAM_PA;
- if (cpu_is_omap242x())
- omap_sram_size = 0xa0000; /* 640K */
- else if (cpu_is_omap243x())
+ if (cpu_is_omap34xx()) {
+ omap_sram_base = OMAP3_SRAM_VA;
+ omap_sram_start = OMAP3_SRAM_PA;
omap_sram_size = 0x10000; /* 64K */
+ } else {
+ omap_sram_base = OMAP2_SRAM_VA;
+ omap_sram_start = OMAP2_SRAM_PA;
+ if (cpu_is_omap242x())
+ omap_sram_size = 0xa0000; /* 640K */
+ else if (cpu_is_omap243x())
+ omap_sram_size = 0x10000; /* 64K */
+ }
}
} else {
omap_sram_base = OMAP1_SRAM_VA;
@@ -157,6 +195,13 @@ void __init omap_map_sram(void)
omap_sram_io_desc[0].pfn = __phys_to_pfn(base);
}
+ if (cpu_is_omap34xx()) {
+ omap_sram_io_desc[0].virtual = OMAP3_SRAM_VA;
+ base = OMAP3_SRAM_PA;
+ base = ROUND_DOWN(base, PAGE_SIZE);
+ omap_sram_io_desc[0].pfn = __phys_to_pfn(base);
+ }
+
omap_sram_io_desc[0].length = 1024 * 1024; /* Use section desc */
iotable_init(omap_sram_io_desc, ARRAY_SIZE(omap_sram_io_desc));
@@ -191,6 +236,7 @@ void * omap_sram_push(void * start, unsigned long size)
omap_sram_ceil -= size;
omap_sram_ceil = ROUND_DOWN(omap_sram_ceil, sizeof(void *));
memcpy((void *)omap_sram_ceil, start, size);
+ flush_icache_range((unsigned long)start, (unsigned long)(start + size));
return (void *)omap_sram_ceil;
}
@@ -214,8 +260,9 @@ void omap_sram_reprogram_clock(u32 dpllctl, u32 ckctl)
int __init omap1_sram_init(void)
{
- _omap_sram_reprogram_clock = omap_sram_push(sram_reprogram_clock,
- sram_reprogram_clock_sz);
+ _omap_sram_reprogram_clock =
+ omap_sram_push(omap1_sram_reprogram_clock,
+ omap1_sram_reprogram_clock_sz);
return 0;
}
@@ -224,7 +271,7 @@ int __init omap1_sram_init(void)
#define omap1_sram_init() do {} while (0)
#endif
-#ifdef CONFIG_ARCH_OMAP2
+#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)
static void (*_omap2_sram_ddr_init)(u32 *slow_dll_ctrl, u32 fast_dll_ctrl,
u32 base_cs, u32 force_unlock);
@@ -259,19 +306,109 @@ u32 omap2_set_prcm(u32 dpll_ctrl_val, u32 sdrc_rfr_val, int bypass)
return _omap2_set_prcm(dpll_ctrl_val, sdrc_rfr_val, bypass);
}
+#endif
+
+#ifdef CONFIG_ARCH_OMAP2420
+int __init omap242x_sram_init(void)
+{
+ _omap2_sram_ddr_init = omap_sram_push(omap242x_sram_ddr_init,
+ omap242x_sram_ddr_init_sz);
+
+ _omap2_sram_reprogram_sdrc = omap_sram_push(omap242x_sram_reprogram_sdrc,
+ omap242x_sram_reprogram_sdrc_sz);
+
+ _omap2_set_prcm = omap_sram_push(omap242x_sram_set_prcm,
+ omap242x_sram_set_prcm_sz);
+
+ return 0;
+}
+#else
+static inline int omap242x_sram_init(void)
+{
+ return 0;
+}
+#endif
+
+#ifdef CONFIG_ARCH_OMAP2430
+int __init omap243x_sram_init(void)
+{
+ _omap2_sram_ddr_init = omap_sram_push(omap243x_sram_ddr_init,
+ omap243x_sram_ddr_init_sz);
+
+ _omap2_sram_reprogram_sdrc = omap_sram_push(omap243x_sram_reprogram_sdrc,
+ omap243x_sram_reprogram_sdrc_sz);
+
+ _omap2_set_prcm = omap_sram_push(omap243x_sram_set_prcm,
+ omap243x_sram_set_prcm_sz);
+
+ return 0;
+}
+#else
+static inline int omap243x_sram_init(void)
+{
+ return 0;
+}
+#endif
+
+#ifdef CONFIG_ARCH_OMAP3
+
+static u32 (*_omap2_sram_reprogram_gpmc)(u32 perf_level);
+u32 omap2_sram_reprogram_gpmc(u32 perf_level)
+{
+ if (!_omap2_sram_reprogram_gpmc)
+ omap_sram_error();
+
+ return _omap2_sram_reprogram_gpmc(perf_level);
+}
+
+static u32 (*_omap2_sram_configure_core_dpll)(u32 m, u32 n,
+ u32 freqsel, u32 m2);
+u32 omap2_sram_configure_core_dpll(u32 m, u32 n, u32 freqsel, u32 m2)
+{
+ if (!_omap2_sram_configure_core_dpll)
+ omap_sram_error();
+
+ return _omap2_sram_configure_core_dpll(m, n, freqsel, m2);
+}
-int __init omap2_sram_init(void)
+/* REVISIT: Should this be same as omap34xx_sram_init() after off-idle? */
+void restore_sram_functions(void)
{
- _omap2_sram_ddr_init = omap_sram_push(sram_ddr_init, sram_ddr_init_sz);
+ omap_sram_ceil = omap_sram_base + omap_sram_size;
- _omap2_sram_reprogram_sdrc = omap_sram_push(sram_reprogram_sdrc,
- sram_reprogram_sdrc_sz);
- _omap2_set_prcm = omap_sram_push(sram_set_prcm, sram_set_prcm_sz);
+ _omap2_sram_reprogram_gpmc = omap_sram_push(omap34xx_sram_reprogram_gpmc,
+ omap34xx_sram_reprogram_gpmc_sz);
+
+ _omap2_sram_configure_core_dpll =
+ omap_sram_push(omap34xx_sram_configure_core_dpll,
+ omap34xx_sram_configure_core_dpll_sz);
+}
+
+int __init omap34xx_sram_init(void)
+{
+ _omap2_sram_ddr_init = omap_sram_push(omap34xx_sram_ddr_init,
+ omap34xx_sram_ddr_init_sz);
+
+ _omap2_sram_reprogram_sdrc = omap_sram_push(omap34xx_sram_reprogram_sdrc,
+ omap34xx_sram_reprogram_sdrc_sz);
+
+ _omap2_set_prcm = omap_sram_push(omap34xx_sram_set_prcm,
+ omap34xx_sram_set_prcm_sz);
+
+ _omap2_sram_reprogram_gpmc = omap_sram_push(omap34xx_sram_reprogram_gpmc,
+ omap34xx_sram_reprogram_gpmc_sz);
+
+ _omap2_sram_configure_core_dpll =
+ omap_sram_push(omap34xx_sram_configure_core_dpll,
+ omap34xx_sram_configure_core_dpll_sz);
return 0;
}
#else
-#define omap2_sram_init() do {} while (0)
+static inline int omap34xx_sram_init(void)
+{
+ return 0;
+}
#endif
int __init omap_sram_init(void)
@@ -279,10 +416,14 @@ int __init omap_sram_init(void)
omap_detect_sram();
omap_map_sram();
- if (!cpu_is_omap24xx())
+ if (!(cpu_class_is_omap2()))
omap1_sram_init();
- else
- omap2_sram_init();
+ else if (cpu_is_omap242x())
+ omap242x_sram_init();
+ else if (cpu_is_omap2430())
+ omap243x_sram_init();
+ else if (cpu_is_omap34xx())
+ omap34xx_sram_init();
return 0;
}
diff --git a/arch/arm/plat-omap/usb.c b/arch/arm/plat-omap/usb.c
index a619475c4b7..2699c16d4da 100644
--- a/arch/arm/plat-omap/usb.c
+++ b/arch/arm/plat-omap/usb.c
@@ -1,4 +1,4 @@
-/*
+ /*
* arch/arm/plat-omap/usb.c -- platform level USB initialization
*
* Copyright (C) 2004 Texas Instruments, Inc.
@@ -156,8 +156,12 @@ static u32 __init omap_usb0_init(unsigned nwires, unsigned is_device)
if (nwires == 0) {
if (cpu_class_is_omap1() && !cpu_is_omap15xx()) {
+ u32 l;
+
/* pulldown D+/D- */
- USB_TRANSCEIVER_CTRL_REG &= ~(3 << 1);
+ l = omap_readl(USB_TRANSCEIVER_CTRL);
+ l &= ~(3 << 1);
+ omap_writel(l, USB_TRANSCEIVER_CTRL);
}
return 0;
}
@@ -171,6 +175,8 @@ static u32 __init omap_usb0_init(unsigned nwires, unsigned is_device)
/* internal transceiver (unavailable on 17xx, 24xx) */
if (!cpu_class_is_omap2() && nwires == 2) {
+ u32 l;
+
// omap_cfg_reg(P9_USB_DP);
// omap_cfg_reg(R8_USB_DM);
@@ -185,9 +191,11 @@ static u32 __init omap_usb0_init(unsigned nwires, unsigned is_device)
* - OTG support on this port not yet written
*/
- USB_TRANSCEIVER_CTRL_REG &= ~(7 << 4);
+ l = omap_readl(USB_TRANSCEIVER_CTRL);
+ l &= ~(7 << 4);
if (!is_device)
- USB_TRANSCEIVER_CTRL_REG |= (3 << 1);
+ l |= (3 << 1);
+ omap_writel(l, USB_TRANSCEIVER_CTRL);
return 3 << 16;
}
@@ -217,8 +225,13 @@ static u32 __init omap_usb0_init(unsigned nwires, unsigned is_device)
* with VBUS switching and overcurrent detection.
*/
- if (cpu_class_is_omap1() && nwires != 6)
- USB_TRANSCEIVER_CTRL_REG &= ~CONF_USB2_UNI_R;
+ if (cpu_class_is_omap1() && nwires != 6) {
+ u32 l;
+
+ l = omap_readl(USB_TRANSCEIVER_CTRL);
+ l &= ~CONF_USB2_UNI_R;
+ omap_writel(l, USB_TRANSCEIVER_CTRL);
+ }
switch (nwires) {
case 3:
@@ -238,9 +251,13 @@ static u32 __init omap_usb0_init(unsigned nwires, unsigned is_device)
omap_cfg_reg(K20_24XX_USB0_VM);
omap2_usb_devconf_set(0, USB_UNIDIR);
} else {
+ u32 l;
+
omap_cfg_reg(AA9_USB0_VP);
omap_cfg_reg(R9_USB0_VM);
- USB_TRANSCEIVER_CTRL_REG |= CONF_USB2_UNI_R;
+ l = omap_readl(USB_TRANSCEIVER_CTRL);
+ l |= CONF_USB2_UNI_R;
+ omap_writel(l, USB_TRANSCEIVER_CTRL);
}
break;
default:
@@ -254,8 +271,13 @@ static u32 __init omap_usb1_init(unsigned nwires)
{
u32 syscon1 = 0;
- if (cpu_class_is_omap1() && !cpu_is_omap15xx() && nwires != 6)
- USB_TRANSCEIVER_CTRL_REG &= ~CONF_USB1_UNI_R;
+ if (cpu_class_is_omap1() && !cpu_is_omap15xx() && nwires != 6) {
+ u32 l;
+
+ l = omap_readl(USB_TRANSCEIVER_CTRL);
+ l &= ~CONF_USB1_UNI_R;
+ omap_writel(l, USB_TRANSCEIVER_CTRL);
+ }
if (cpu_is_omap24xx())
omap2_usb_devconf_clear(1, USB_BIDIR_TLL);
@@ -316,8 +338,13 @@ static u32 __init omap_usb1_init(unsigned nwires)
syscon1 = 3;
omap_cfg_reg(USB1_VP);
omap_cfg_reg(USB1_VM);
- if (!cpu_is_omap15xx())
- USB_TRANSCEIVER_CTRL_REG |= CONF_USB1_UNI_R;
+ if (!cpu_is_omap15xx()) {
+ u32 l;
+
+ l = omap_readl(USB_TRANSCEIVER_CTRL);
+ l |= CONF_USB1_UNI_R;
+ omap_writel(l, USB_TRANSCEIVER_CTRL);
+ }
break;
default:
bad:
@@ -340,8 +367,13 @@ static u32 __init omap_usb2_init(unsigned nwires, unsigned alt_pingroup)
if (alt_pingroup || nwires == 0)
return 0;
- if (cpu_class_is_omap1() && !cpu_is_omap15xx() && nwires != 6)
- USB_TRANSCEIVER_CTRL_REG &= ~CONF_USB2_UNI_R;
+ if (cpu_class_is_omap1() && !cpu_is_omap15xx() && nwires != 6) {
+ u32 l;
+
+ l = omap_readl(USB_TRANSCEIVER_CTRL);
+ l &= ~CONF_USB2_UNI_R;
+ omap_writel(l, USB_TRANSCEIVER_CTRL);
+ }
/* external transceiver */
if (cpu_is_omap15xx()) {
@@ -410,9 +442,13 @@ static u32 __init omap_usb2_init(unsigned nwires, unsigned alt_pingroup)
omap_cfg_reg(USB2_VP);
omap_cfg_reg(USB2_VM);
} else {
+ u32 l;
+
omap_cfg_reg(AA9_USB2_VP);
omap_cfg_reg(R9_USB2_VM);
- USB_TRANSCEIVER_CTRL_REG |= CONF_USB2_UNI_R;
+ l = omap_readl(USB_TRANSCEIVER_CTRL);
+ l |= CONF_USB2_UNI_R;
+ omap_writel(l, USB_TRANSCEIVER_CTRL);
}
break;
default:
@@ -531,10 +567,6 @@ static struct platform_device otg_device = {
/*-------------------------------------------------------------------------*/
-#define ULPD_CLOCK_CTRL_REG __REG16(ULPD_CLOCK_CTRL)
-#define ULPD_SOFT_REQ_REG __REG16(ULPD_SOFT_REQ)
-
-
// FIXME correct answer depends on hmc_mode,
// as does (on omap1) any nonzero value for config->otg port number
#ifdef CONFIG_USB_GADGET_OMAP
@@ -550,17 +582,17 @@ static struct platform_device otg_device = {
void __init
omap_otg_init(struct omap_usb_config *config)
{
- u32 syscon = OTG_SYSCON_1_REG & 0xffff;
+ u32 syscon;
int status;
int alt_pingroup = 0;
/* NOTE: no bus or clock setup (yet?) */
- syscon = OTG_SYSCON_1_REG & 0xffff;
+ syscon = omap_readl(OTG_SYSCON_1) & 0xffff;
if (!(syscon & OTG_RESET_DONE))
pr_debug("USB resets not complete?\n");
- // OTG_IRQ_EN_REG = 0;
+ //omap_writew(0, OTG_IRQ_EN);
/* pin muxing and transceiver pinouts */
if (config->pins[0] > 2) /* alt pingroup 2 */
@@ -568,8 +600,8 @@ omap_otg_init(struct omap_usb_config *config)
syscon |= omap_usb0_init(config->pins[0], is_usb0_device(config));
syscon |= omap_usb1_init(config->pins[1]);
syscon |= omap_usb2_init(config->pins[2], alt_pingroup);
- pr_debug("OTG_SYSCON_1_REG = %08x\n", syscon);
- OTG_SYSCON_1_REG = syscon;
+ pr_debug("OTG_SYSCON_1 = %08x\n", omap_readl(OTG_SYSCON_1));
+ omap_writel(syscon, OTG_SYSCON_1);
syscon = config->hmc_mode;
syscon |= USBX_SYNCHRO | (4 << 16) /* B_ASE0_BRST */;
@@ -578,9 +610,10 @@ omap_otg_init(struct omap_usb_config *config)
syscon |= OTG_EN;
#endif
if (cpu_class_is_omap1())
- pr_debug("USB_TRANSCEIVER_CTRL_REG = %03x\n", USB_TRANSCEIVER_CTRL_REG);
- pr_debug("OTG_SYSCON_2_REG = %08x\n", syscon);
- OTG_SYSCON_2_REG = syscon;
+ pr_debug("USB_TRANSCEIVER_CTRL = %03x\n",
+ omap_readl(USB_TRANSCEIVER_CTRL));
+ pr_debug("OTG_SYSCON_2 = %08x\n", omap_readl(OTG_SYSCON_2));
+ omap_writel(syscon, OTG_SYSCON_2);
printk("USB: hmc %d", config->hmc_mode);
if (!alt_pingroup)
@@ -597,12 +630,19 @@ omap_otg_init(struct omap_usb_config *config)
printk("\n");
if (cpu_class_is_omap1()) {
+ u16 w;
+
/* leave USB clocks/controllers off until needed */
- ULPD_SOFT_REQ_REG &= ~SOFT_USB_CLK_REQ;
- ULPD_CLOCK_CTRL_REG &= ~USB_MCLK_EN;
- ULPD_CLOCK_CTRL_REG |= DIS_USB_PVCI_CLK;
+ w = omap_readw(ULPD_SOFT_REQ);
+ w &= ~SOFT_USB_CLK_REQ;
+ omap_writew(w, ULPD_SOFT_REQ);
+
+ w = omap_readw(ULPD_CLOCK_CTRL);
+ w &= ~USB_MCLK_EN;
+ w |= DIS_USB_PVCI_CLK;
+ omap_writew(w, ULPD_CLOCK_CTRL);
}
- syscon = OTG_SYSCON_1_REG;
+ syscon = omap_readl(OTG_SYSCON_1);
syscon |= HST_IDLE_EN|DEV_IDLE_EN|OTG_IDLE_EN;
#ifdef CONFIG_USB_GADGET_OMAP
@@ -639,8 +679,8 @@ omap_otg_init(struct omap_usb_config *config)
pr_debug("can't register OTG device, %d\n", status);
}
#endif
- pr_debug("OTG_SYSCON_1_REG = %08x\n", syscon);
- OTG_SYSCON_1_REG = syscon;
+ pr_debug("OTG_SYSCON_1 = %08x\n", omap_readl(OTG_SYSCON_1));
+ omap_writel(syscon, OTG_SYSCON_1);
status = 0;
}
@@ -653,18 +693,19 @@ static inline void omap_otg_init(struct omap_usb_config *config) {}
#ifdef CONFIG_ARCH_OMAP15XX
-#define ULPD_DPLL_CTRL_REG __REG16(ULPD_DPLL_CTRL)
+/* ULPD_DPLL_CTRL */
#define DPLL_IOB (1 << 13)
#define DPLL_PLL_ENABLE (1 << 4)
#define DPLL_LOCK (1 << 0)
-#define ULPD_APLL_CTRL_REG __REG16(ULPD_APLL_CTRL)
+/* ULPD_APLL_CTRL */
#define APLL_NDPLL_SWITCH (1 << 0)
static void __init omap_1510_usb_init(struct omap_usb_config *config)
{
unsigned int val;
+ u16 w;
omap_usb0_init(config->pins[0], is_usb0_device(config));
omap_usb1_init(config->pins[1]);
@@ -685,12 +726,22 @@ static void __init omap_1510_usb_init(struct omap_usb_config *config)
printk("\n");
/* use DPLL for 48 MHz function clock */
- pr_debug("APLL %04x DPLL %04x REQ %04x\n", ULPD_APLL_CTRL_REG,
- ULPD_DPLL_CTRL_REG, ULPD_SOFT_REQ_REG);
- ULPD_APLL_CTRL_REG &= ~APLL_NDPLL_SWITCH;
- ULPD_DPLL_CTRL_REG |= DPLL_IOB | DPLL_PLL_ENABLE;
- ULPD_SOFT_REQ_REG |= SOFT_UDC_REQ | SOFT_DPLL_REQ;
- while (!(ULPD_DPLL_CTRL_REG & DPLL_LOCK))
+ pr_debug("APLL %04x DPLL %04x REQ %04x\n", omap_readw(ULPD_APLL_CTRL),
+ omap_readw(ULPD_DPLL_CTRL), omap_readw(ULPD_SOFT_REQ));
+
+ w = omap_readw(ULPD_APLL_CTRL);
+ w &= ~APLL_NDPLL_SWITCH;
+ omap_writew(w, ULPD_APLL_CTRL);
+
+ w = omap_readw(ULPD_DPLL_CTRL);
+ w |= DPLL_IOB | DPLL_PLL_ENABLE;
+ omap_writew(w, ULPD_DPLL_CTRL);
+
+ w = omap_readw(ULPD_SOFT_REQ);
+ w |= SOFT_UDC_REQ | SOFT_DPLL_REQ;
+ omap_writew(w, ULPD_SOFT_REQ);
+
+ while (!(omap_readw(ULPD_DPLL_CTRL) & DPLL_LOCK))
cpu_relax();
#ifdef CONFIG_USB_GADGET_OMAP
diff --git a/arch/arm/plat-orion/irq.c b/arch/arm/plat-orion/irq.c
index c5b669d234b..fe66a183516 100644
--- a/arch/arm/plat-orion/irq.c
+++ b/arch/arm/plat-orion/irq.c
@@ -36,8 +36,8 @@ static void orion_irq_unmask(u32 irq)
static struct irq_chip orion_irq_chip = {
.name = "orion_irq",
- .ack = orion_irq_mask,
.mask = orion_irq_mask,
+ .mask_ack = orion_irq_mask,
.unmask = orion_irq_unmask,
};
@@ -59,6 +59,7 @@ void __init orion_irq_init(unsigned int irq_start, void __iomem *maskaddr)
set_irq_chip(irq, &orion_irq_chip);
set_irq_chip_data(irq, maskaddr);
set_irq_handler(irq, handle_level_irq);
+ irq_desc[irq].status |= IRQ_LEVEL;
set_irq_flags(irq, IRQF_VALID);
}
}
diff --git a/arch/arm/plat-orion/pcie.c b/arch/arm/plat-orion/pcie.c
index abfda53f180..ca32c60e14d 100644
--- a/arch/arm/plat-orion/pcie.c
+++ b/arch/arm/plat-orion/pcie.c
@@ -39,6 +39,7 @@
#define PCIE_CONF_DATA_OFF 0x18fc
#define PCIE_MASK_OFF 0x1910
#define PCIE_CTRL_OFF 0x1a00
+#define PCIE_CTRL_X1_MODE 0x0001
#define PCIE_STAT_OFF 0x1a04
#define PCIE_STAT_DEV_OFFS 20
#define PCIE_STAT_DEV_MASK 0x1f
@@ -62,6 +63,11 @@ int orion_pcie_link_up(void __iomem *base)
return !(readl(base + PCIE_STAT_OFF) & PCIE_STAT_LINK_DOWN);
}
+int __init orion_pcie_x4_mode(void __iomem *base)
+{
+ return !(readl(base + PCIE_CTRL_OFF) & PCIE_CTRL_X1_MODE);
+}
+
int orion_pcie_get_local_bus_nr(void __iomem *base)
{
u32 stat = readl(base + PCIE_STAT_OFF);
diff --git a/arch/arm/plat-orion/time.c b/arch/arm/plat-orion/time.c
index 28b5285446e..93c4ef9f006 100644
--- a/arch/arm/plat-orion/time.c
+++ b/arch/arm/plat-orion/time.c
@@ -74,7 +74,7 @@ orion_clkevt_next_event(unsigned long delta, struct clock_event_device *dev)
/*
* Clear and enable clockevent timer interrupt.
*/
- writel(~BRIDGE_INT_TIMER1, BRIDGE_CAUSE);
+ writel(BRIDGE_INT_TIMER1_CLR, BRIDGE_CAUSE);
u = readl(BRIDGE_MASK);
u |= BRIDGE_INT_TIMER1;
@@ -138,7 +138,7 @@ orion_clkevt_mode(enum clock_event_mode mode, struct clock_event_device *dev)
/*
* ACK pending timer interrupt.
*/
- writel(~BRIDGE_INT_TIMER1, BRIDGE_CAUSE);
+ writel(BRIDGE_INT_TIMER1_CLR, BRIDGE_CAUSE);
}
local_irq_restore(flags);
@@ -159,7 +159,7 @@ static irqreturn_t orion_timer_interrupt(int irq, void *dev_id)
/*
* ACK timer interrupt and call event handler.
*/
- writel(~BRIDGE_INT_TIMER1, BRIDGE_CAUSE);
+ writel(BRIDGE_INT_TIMER1_CLR, BRIDGE_CAUSE);
orion_clkevt.event_handler(&orion_clkevt);
return IRQ_HANDLED;
diff --git a/arch/arm/plat-s3c24xx/Kconfig b/arch/arm/plat-s3c24xx/Kconfig
index b66fb3c4e22..5e28c217b8c 100644
--- a/arch/arm/plat-s3c24xx/Kconfig
+++ b/arch/arm/plat-s3c24xx/Kconfig
@@ -9,6 +9,7 @@ config PLAT_S3C24XX
depends on ARCH_S3C2410
default y if ARCH_S3C2410
select NO_IOPORT
+ select HAVE_GPIO_LIB
help
Base platform code for any Samsung S3C24XX device
@@ -20,6 +21,13 @@ config CPU_S3C244X
help
Support for S3C2440 and S3C2442 Samsung Mobile CPU based systems.
+config S3C24XX_PWM
+ bool "PWM device support"
+ select HAVE_PWM
+ help
+ Support for exporting the PWM timer blocks via the pwm device
+ system.
+
config PM_SIMTEC
bool
help
diff --git a/arch/arm/plat-s3c24xx/Makefile b/arch/arm/plat-s3c24xx/Makefile
index 131d20237dd..d82767b2b83 100644
--- a/arch/arm/plat-s3c24xx/Makefile
+++ b/arch/arm/plat-s3c24xx/Makefile
@@ -16,8 +16,10 @@ obj-y += cpu.o
obj-y += irq.o
obj-y += devs.o
obj-y += gpio.o
+obj-y += gpiolib.o
obj-y += time.o
obj-y += clock.o
+obj-y += pwm-clock.o
# Architecture dependant builds
@@ -27,5 +29,6 @@ obj-$(CONFIG_CPU_S3C244X) += s3c244x-clock.o
obj-$(CONFIG_PM_SIMTEC) += pm-simtec.o
obj-$(CONFIG_PM) += pm.o
obj-$(CONFIG_PM) += sleep.o
+obj-$(CONFIG_HAVE_PWM) += pwm.o
obj-$(CONFIG_S3C2410_DMA) += dma.o
obj-$(CONFIG_MACH_SMDK) += common-smdk.o
diff --git a/arch/arm/plat-s3c24xx/devs.c b/arch/arm/plat-s3c24xx/devs.c
index e546e933b3f..eea3b32ff79 100644
--- a/arch/arm/plat-s3c24xx/devs.c
+++ b/arch/arm/plat-s3c24xx/devs.c
@@ -495,106 +495,6 @@ struct platform_device s3c_device_spi1 = {
EXPORT_SYMBOL(s3c_device_spi1);
-/* pwm timer blocks */
-
-static struct resource s3c_timer0_resource[] = {
- [0] = {
- .start = S3C24XX_PA_TIMER + 0x0C,
- .end = S3C24XX_PA_TIMER + 0x0C + 0xB,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = IRQ_TIMER0,
- .end = IRQ_TIMER0,
- .flags = IORESOURCE_IRQ,
- }
-
-};
-
-struct platform_device s3c_device_timer0 = {
- .name = "s3c2410-timer",
- .id = 0,
- .num_resources = ARRAY_SIZE(s3c_timer0_resource),
- .resource = s3c_timer0_resource,
-};
-
-EXPORT_SYMBOL(s3c_device_timer0);
-
-/* timer 1 */
-
-static struct resource s3c_timer1_resource[] = {
- [0] = {
- .start = S3C24XX_PA_TIMER + 0x18,
- .end = S3C24XX_PA_TIMER + 0x23,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = IRQ_TIMER1,
- .end = IRQ_TIMER1,
- .flags = IORESOURCE_IRQ,
- }
-
-};
-
-struct platform_device s3c_device_timer1 = {
- .name = "s3c2410-timer",
- .id = 1,
- .num_resources = ARRAY_SIZE(s3c_timer1_resource),
- .resource = s3c_timer1_resource,
-};
-
-EXPORT_SYMBOL(s3c_device_timer1);
-
-/* timer 2 */
-
-static struct resource s3c_timer2_resource[] = {
- [0] = {
- .start = S3C24XX_PA_TIMER + 0x24,
- .end = S3C24XX_PA_TIMER + 0x2F,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = IRQ_TIMER2,
- .end = IRQ_TIMER2,
- .flags = IORESOURCE_IRQ,
- }
-
-};
-
-struct platform_device s3c_device_timer2 = {
- .name = "s3c2410-timer",
- .id = 2,
- .num_resources = ARRAY_SIZE(s3c_timer2_resource),
- .resource = s3c_timer2_resource,
-};
-
-EXPORT_SYMBOL(s3c_device_timer2);
-
-/* timer 3 */
-
-static struct resource s3c_timer3_resource[] = {
- [0] = {
- .start = S3C24XX_PA_TIMER + 0x30,
- .end = S3C24XX_PA_TIMER + 0x3B,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = IRQ_TIMER3,
- .end = IRQ_TIMER3,
- .flags = IORESOURCE_IRQ,
- }
-
-};
-
-struct platform_device s3c_device_timer3 = {
- .name = "s3c2410-timer",
- .id = 3,
- .num_resources = ARRAY_SIZE(s3c_timer3_resource),
- .resource = s3c_timer3_resource,
-};
-
-EXPORT_SYMBOL(s3c_device_timer3);
-
#ifdef CONFIG_CPU_S3C2440
/* Camif Controller */
diff --git a/arch/arm/plat-s3c24xx/gpiolib.c b/arch/arm/plat-s3c24xx/gpiolib.c
new file mode 100644
index 00000000000..825d8d0c5ca
--- /dev/null
+++ b/arch/arm/plat-s3c24xx/gpiolib.c
@@ -0,0 +1,259 @@
+/* linux/arch/arm/plat-s3c24xx/gpiolib.c
+ *
+ * Copyright (c) 2008 Simtec Electronics
+ * http://armlinux.simtec.co.uk/
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * S3C24XX GPIOlib support
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License.
+*/
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/interrupt.h>
+#include <linux/ioport.h>
+#include <linux/io.h>
+#include <linux/gpio.h>
+
+#include <asm/hardware.h>
+#include <asm/irq.h>
+
+#include <asm/arch/regs-gpio.h>
+
+struct s3c24xx_gpio_chip {
+ struct gpio_chip chip;
+ void __iomem *base;
+};
+
+static inline struct s3c24xx_gpio_chip *to_s3c_chip(struct gpio_chip *gpc)
+{
+ return container_of(gpc, struct s3c24xx_gpio_chip, chip);
+}
+
+/* these routines are exported for use by other parts of the platform
+ * and system support, but are not intended to be used directly by the
+ * drivers themsevles.
+ */
+
+int s3c24xx_gpiolib_input(struct gpio_chip *chip, unsigned offset)
+{
+ struct s3c24xx_gpio_chip *ourchip = to_s3c_chip(chip);
+ void __iomem *base = ourchip->base;
+ unsigned long flags;
+ unsigned long con;
+
+ local_irq_save(flags);
+
+ con = __raw_readl(base + 0x00);
+ con &= ~(3 << (offset * 2));
+ con |= (S3C2410_GPIO_OUTPUT & 0xf) << (offset * 2);
+
+ __raw_writel(con, base + 0x00);
+
+ local_irq_restore(flags);
+ return 0;
+}
+
+int s3c24xx_gpiolib_output(struct gpio_chip *chip,
+ unsigned offset, int value)
+{
+ struct s3c24xx_gpio_chip *ourchip = to_s3c_chip(chip);
+ void __iomem *base = ourchip->base;
+ unsigned long flags;
+ unsigned long dat;
+ unsigned long con;
+
+ local_irq_save(flags);
+
+ dat = __raw_readl(base + 0x04);
+ dat &= ~(1 << offset);
+ if (value)
+ dat |= 1 << offset;
+ __raw_writel(dat, base + 0x04);
+
+ con = __raw_readl(base + 0x00);
+ con &= ~(3 << (offset * 2));
+ con |= (S3C2410_GPIO_OUTPUT & 0xf) << (offset * 2);
+
+ __raw_writel(con, base + 0x00);
+ __raw_writel(dat, base + 0x04);
+
+ local_irq_restore(flags);
+ return 0;
+}
+
+void s3c24xx_gpiolib_set(struct gpio_chip *chip, unsigned offset, int value)
+{
+ struct s3c24xx_gpio_chip *ourchip = to_s3c_chip(chip);
+ void __iomem *base = ourchip->base;
+ unsigned long flags;
+ unsigned long dat;
+
+ local_irq_save(flags);
+
+ dat = __raw_readl(base + 0x04);
+ dat &= ~(1 << offset);
+ if (value)
+ dat |= 1 << offset;
+ __raw_writel(dat, base + 0x04);
+
+ local_irq_restore(flags);
+}
+
+int s3c24xx_gpiolib_get(struct gpio_chip *chip, unsigned offset)
+{
+ struct s3c24xx_gpio_chip *ourchip = to_s3c_chip(chip);
+ unsigned long val;
+
+ val = __raw_readl(ourchip->base + 0x04);
+ val >>= offset;
+ val &= 1;
+
+ return val;
+}
+
+static int s3c24xx_gpiolib_banka_input(struct gpio_chip *chip, unsigned offset)
+{
+ return -EINVAL;
+}
+
+static int s3c24xx_gpiolib_banka_output(struct gpio_chip *chip,
+ unsigned offset, int value)
+{
+ struct s3c24xx_gpio_chip *ourchip = to_s3c_chip(chip);
+ void __iomem *base = ourchip->base;
+ unsigned long flags;
+ unsigned long dat;
+ unsigned long con;
+
+ local_irq_save(flags);
+
+ con = __raw_readl(base + 0x00);
+ dat = __raw_readl(base + 0x04);
+
+ dat &= ~(1 << offset);
+ if (value)
+ dat |= 1 << offset;
+
+ __raw_writel(dat, base + 0x04);
+
+ con &= ~(1 << offset);
+
+ __raw_writel(con, base + 0x00);
+ __raw_writel(dat, base + 0x04);
+
+ local_irq_restore(flags);
+ return 0;
+}
+
+
+struct s3c24xx_gpio_chip gpios[] = {
+ [0] = {
+ .base = S3C24XX_GPIO_BASE(S3C2410_GPA0),
+ .chip = {
+ .base = S3C2410_GPA0,
+ .owner = THIS_MODULE,
+ .label = "GPIOA",
+ .ngpio = 24,
+ .direction_input = s3c24xx_gpiolib_banka_input,
+ .direction_output = s3c24xx_gpiolib_banka_output,
+ .set = s3c24xx_gpiolib_set,
+ .get = s3c24xx_gpiolib_get,
+ },
+ },
+ [1] = {
+ .base = S3C24XX_GPIO_BASE(S3C2410_GPB0),
+ .chip = {
+ .base = S3C2410_GPB0,
+ .owner = THIS_MODULE,
+ .label = "GPIOB",
+ .ngpio = 16,
+ .direction_input = s3c24xx_gpiolib_input,
+ .direction_output = s3c24xx_gpiolib_output,
+ .set = s3c24xx_gpiolib_set,
+ .get = s3c24xx_gpiolib_get,
+ },
+ },
+ [2] = {
+ .base = S3C24XX_GPIO_BASE(S3C2410_GPC0),
+ .chip = {
+ .base = S3C2410_GPC0,
+ .owner = THIS_MODULE,
+ .label = "GPIOC",
+ .ngpio = 16,
+ .direction_input = s3c24xx_gpiolib_input,
+ .direction_output = s3c24xx_gpiolib_output,
+ .set = s3c24xx_gpiolib_set,
+ .get = s3c24xx_gpiolib_get,
+ },
+ },
+ [3] = {
+ .base = S3C24XX_GPIO_BASE(S3C2410_GPD0),
+ .chip = {
+ .base = S3C2410_GPD0,
+ .owner = THIS_MODULE,
+ .label = "GPIOD",
+ .ngpio = 16,
+ .direction_input = s3c24xx_gpiolib_input,
+ .direction_output = s3c24xx_gpiolib_output,
+ .set = s3c24xx_gpiolib_set,
+ .get = s3c24xx_gpiolib_get,
+ },
+ },
+ [4] = {
+ .base = S3C24XX_GPIO_BASE(S3C2410_GPE0),
+ .chip = {
+ .base = S3C2410_GPE0,
+ .label = "GPIOE",
+ .owner = THIS_MODULE,
+ .ngpio = 16,
+ .direction_input = s3c24xx_gpiolib_input,
+ .direction_output = s3c24xx_gpiolib_output,
+ .set = s3c24xx_gpiolib_set,
+ .get = s3c24xx_gpiolib_get,
+ },
+ },
+ [5] = {
+ .base = S3C24XX_GPIO_BASE(S3C2410_GPF0),
+ .chip = {
+ .base = S3C2410_GPF0,
+ .owner = THIS_MODULE,
+ .label = "GPIOF",
+ .ngpio = 8,
+ .direction_input = s3c24xx_gpiolib_input,
+ .direction_output = s3c24xx_gpiolib_output,
+ .set = s3c24xx_gpiolib_set,
+ .get = s3c24xx_gpiolib_get,
+ },
+ },
+ [6] = {
+ .base = S3C24XX_GPIO_BASE(S3C2410_GPG0),
+ .chip = {
+ .base = S3C2410_GPG0,
+ .owner = THIS_MODULE,
+ .label = "GPIOG",
+ .ngpio = 10,
+ .direction_input = s3c24xx_gpiolib_input,
+ .direction_output = s3c24xx_gpiolib_output,
+ .set = s3c24xx_gpiolib_set,
+ .get = s3c24xx_gpiolib_get,
+ },
+ },
+};
+
+static __init int s3c24xx_gpiolib_init(void)
+{
+ struct s3c24xx_gpio_chip *chip = gpios;
+ int gpn;
+
+ for (gpn = 0; gpn < ARRAY_SIZE(gpios); gpn++, chip++)
+ gpiochip_add(&chip->chip);
+
+ return 0;
+}
+
+arch_initcall(s3c24xx_gpiolib_init);
diff --git a/arch/arm/plat-s3c24xx/pwm-clock.c b/arch/arm/plat-s3c24xx/pwm-clock.c
new file mode 100644
index 00000000000..2cda3e3c678
--- /dev/null
+++ b/arch/arm/plat-s3c24xx/pwm-clock.c
@@ -0,0 +1,437 @@
+/* linux/arch/arm/plat-s3c24xx/pwm-clock.c
+ *
+ * Copyright (c) 2007 Simtec Electronics
+ * Copyright (c) 2007, 2008 Ben Dooks
+ * Ben Dooks <ben-linux@fluff.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License.
+*/
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/list.h>
+#include <linux/errno.h>
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/io.h>
+
+#include <asm/hardware.h>
+#include <asm/irq.h>
+
+#include <asm/arch/regs-clock.h>
+#include <asm/arch/regs-gpio.h>
+
+#include <asm/plat-s3c24xx/clock.h>
+#include <asm/plat-s3c24xx/cpu.h>
+
+#include <asm/plat-s3c/regs-timer.h>
+
+/* Each of the timers 0 through 5 go through the following
+ * clock tree, with the inputs depending on the timers.
+ *
+ * pclk ---- [ prescaler 0 ] -+---> timer 0
+ * +---> timer 1
+ *
+ * pclk ---- [ prescaler 1 ] -+---> timer 2
+ * +---> timer 3
+ * \---> timer 4
+ *
+ * Which are fed into the timers as so:
+ *
+ * prescaled 0 ---- [ div 2,4,8,16 ] ---\
+ * [mux] -> timer 0
+ * tclk 0 ------------------------------/
+ *
+ * prescaled 0 ---- [ div 2,4,8,16 ] ---\
+ * [mux] -> timer 1
+ * tclk 0 ------------------------------/
+ *
+ *
+ * prescaled 1 ---- [ div 2,4,8,16 ] ---\
+ * [mux] -> timer 2
+ * tclk 1 ------------------------------/
+ *
+ * prescaled 1 ---- [ div 2,4,8,16 ] ---\
+ * [mux] -> timer 3
+ * tclk 1 ------------------------------/
+ *
+ * prescaled 1 ---- [ div 2,4,8, 16 ] --\
+ * [mux] -> timer 4
+ * tclk 1 ------------------------------/
+ *
+ * Since the mux and the divider are tied together in the
+ * same register space, it is impossible to set the parent
+ * and the rate at the same time. To avoid this, we add an
+ * intermediate 'prescaled-and-divided' clock to select
+ * as the parent for the timer input clock called tdiv.
+ *
+ * prescaled clk --> pwm-tdiv ---\
+ * [ mux ] --> timer X
+ * tclk -------------------------/
+*/
+
+static unsigned long clk_pwm_scaler_getrate(struct clk *clk)
+{
+ unsigned long tcfg0 = __raw_readl(S3C2410_TCFG0);
+
+ if (clk->id == 1) {
+ tcfg0 &= S3C2410_TCFG_PRESCALER1_MASK;
+ tcfg0 >>= S3C2410_TCFG_PRESCALER1_SHIFT;
+ } else {
+ tcfg0 &= S3C2410_TCFG_PRESCALER0_MASK;
+ }
+
+ return clk_get_rate(clk->parent) / (tcfg0 + 1);
+}
+
+/* TODO - add set rate calls. */
+
+struct clk clk_timer_scaler[] = {
+ [0] = {
+ .name = "pwm-scaler0",
+ .id = -1,
+ .get_rate = clk_pwm_scaler_getrate,
+ },
+ [1] = {
+ .name = "pwm-scaler1",
+ .id = -1,
+ .get_rate = clk_pwm_scaler_getrate,
+ },
+};
+
+struct clk clk_timer_tclk[] = {
+ [0] = {
+ .name = "pwm-tclk0",
+ .id = -1,
+ },
+ [1] = {
+ .name = "pwm-tclk1",
+ .id = -1,
+ },
+};
+
+struct pwm_tdiv_clk {
+ struct clk clk;
+ unsigned int divisor;
+};
+
+static inline struct pwm_tdiv_clk *to_tdiv(struct clk *clk)
+{
+ return container_of(clk, struct pwm_tdiv_clk, clk);
+}
+
+static inline unsigned long tcfg_to_divisor(unsigned long tcfg1)
+{
+ return 1 << (1 + tcfg1);
+}
+
+static unsigned long clk_pwm_tdiv_get_rate(struct clk *clk)
+{
+ unsigned long tcfg1 = __raw_readl(S3C2410_TCFG1);
+ unsigned int divisor;
+
+ tcfg1 >>= S3C2410_TCFG1_SHIFT(clk->id);
+ tcfg1 &= S3C2410_TCFG1_MUX_MASK;
+
+ if (tcfg1 == S3C2410_TCFG1_MUX_TCLK)
+ divisor = to_tdiv(clk)->divisor;
+ else
+ divisor = tcfg_to_divisor(tcfg1);
+
+ return clk_get_rate(clk->parent) / divisor;
+}
+
+static unsigned long clk_pwm_tdiv_round_rate(struct clk *clk,
+ unsigned long rate)
+{
+ unsigned long parent_rate;
+ unsigned long divisor;
+
+ parent_rate = clk_get_rate(clk->parent);
+ divisor = parent_rate / rate;
+
+ if (divisor <= 2)
+ divisor = 2;
+ else if (divisor <= 4)
+ divisor = 4;
+ else if (divisor <= 8)
+ divisor = 8;
+ else
+ divisor = 16;
+
+ return parent_rate / divisor;
+}
+
+static unsigned long clk_pwm_tdiv_bits(struct pwm_tdiv_clk *divclk)
+{
+ unsigned long bits;
+
+ switch (divclk->divisor) {
+ case 2:
+ bits = S3C2410_TCFG1_MUX_DIV2;
+ break;
+ case 4:
+ bits = S3C2410_TCFG1_MUX_DIV4;
+ break;
+ case 8:
+ bits = S3C2410_TCFG1_MUX_DIV8;
+ break;
+ case 16:
+ default:
+ bits = S3C2410_TCFG1_MUX_DIV16;
+ break;
+ }
+
+ return bits;
+}
+
+static void clk_pwm_tdiv_update(struct pwm_tdiv_clk *divclk)
+{
+ unsigned long tcfg1 = __raw_readl(S3C2410_TCFG1);
+ unsigned long bits = clk_pwm_tdiv_bits(divclk);
+ unsigned long flags;
+ unsigned long shift = S3C2410_TCFG1_SHIFT(divclk->clk.id);
+
+ local_irq_save(flags);
+
+ tcfg1 = __raw_readl(S3C2410_TCFG1);
+ tcfg1 &= ~(S3C2410_TCFG1_MUX_MASK << shift);
+ tcfg1 |= bits << shift;
+ __raw_writel(tcfg1, S3C2410_TCFG1);
+
+ local_irq_restore(flags);
+}
+
+static int clk_pwm_tdiv_set_rate(struct clk *clk, unsigned long rate)
+{
+ struct pwm_tdiv_clk *divclk = to_tdiv(clk);
+ unsigned long tcfg1 = __raw_readl(S3C2410_TCFG1);
+ unsigned long parent_rate = clk_get_rate(clk->parent);
+ unsigned long divisor;
+
+ tcfg1 >>= S3C2410_TCFG1_SHIFT(clk->id);
+ tcfg1 &= S3C2410_TCFG1_MUX_MASK;
+
+ rate = clk_round_rate(clk, rate);
+ divisor = parent_rate / rate;
+
+ if (divisor > 16)
+ return -EINVAL;
+
+ divclk->divisor = divisor;
+
+ /* Update the current MUX settings if we are currently
+ * selected as the clock source for this clock. */
+
+ if (tcfg1 != S3C2410_TCFG1_MUX_TCLK)
+ clk_pwm_tdiv_update(divclk);
+
+ return 0;
+}
+
+struct pwm_tdiv_clk clk_timer_tdiv[] = {
+ [0] = {
+ .clk = {
+ .name = "pwm-tdiv",
+ .parent = &clk_timer_scaler[0],
+ .get_rate = clk_pwm_tdiv_get_rate,
+ .set_rate = clk_pwm_tdiv_set_rate,
+ .round_rate = clk_pwm_tdiv_round_rate,
+ },
+ },
+ [1] = {
+ .clk = {
+ .name = "pwm-tdiv",
+ .parent = &clk_timer_scaler[0],
+ .get_rate = clk_pwm_tdiv_get_rate,
+ .set_rate = clk_pwm_tdiv_set_rate,
+ .round_rate = clk_pwm_tdiv_round_rate,
+ }
+ },
+ [2] = {
+ .clk = {
+ .name = "pwm-tdiv",
+ .parent = &clk_timer_scaler[1],
+ .get_rate = clk_pwm_tdiv_get_rate,
+ .set_rate = clk_pwm_tdiv_set_rate,
+ .round_rate = clk_pwm_tdiv_round_rate,
+ },
+ },
+ [3] = {
+ .clk = {
+ .name = "pwm-tdiv",
+ .parent = &clk_timer_scaler[1],
+ .get_rate = clk_pwm_tdiv_get_rate,
+ .set_rate = clk_pwm_tdiv_set_rate,
+ .round_rate = clk_pwm_tdiv_round_rate,
+ },
+ },
+ [4] = {
+ .clk = {
+ .name = "pwm-tdiv",
+ .parent = &clk_timer_scaler[1],
+ .get_rate = clk_pwm_tdiv_get_rate,
+ .set_rate = clk_pwm_tdiv_set_rate,
+ .round_rate = clk_pwm_tdiv_round_rate,
+ },
+ },
+};
+
+static int __init clk_pwm_tdiv_register(unsigned int id)
+{
+ struct pwm_tdiv_clk *divclk = &clk_timer_tdiv[id];
+ unsigned long tcfg1 = __raw_readl(S3C2410_TCFG1);
+
+ tcfg1 >>= S3C2410_TCFG1_SHIFT(id);
+ tcfg1 &= S3C2410_TCFG1_MUX_MASK;
+
+ divclk->clk.id = id;
+ divclk->divisor = tcfg_to_divisor(tcfg1);
+
+ return s3c24xx_register_clock(&divclk->clk);
+}
+
+static inline struct clk *s3c24xx_pwmclk_tclk(unsigned int id)
+{
+ return (id >= 2) ? &clk_timer_tclk[1] : &clk_timer_tclk[0];
+}
+
+static inline struct clk *s3c24xx_pwmclk_tdiv(unsigned int id)
+{
+ return &clk_timer_tdiv[id].clk;
+}
+
+static int clk_pwm_tin_set_parent(struct clk *clk, struct clk *parent)
+{
+ unsigned int id = clk->id;
+ unsigned long tcfg1;
+ unsigned long flags;
+ unsigned long bits;
+ unsigned long shift = S3C2410_TCFG1_SHIFT(id);
+
+ if (parent == s3c24xx_pwmclk_tclk(id))
+ bits = S3C2410_TCFG1_MUX_TCLK << shift;
+ else if (parent == s3c24xx_pwmclk_tdiv(id))
+ bits = clk_pwm_tdiv_bits(to_tdiv(clk)) << shift;
+ else
+ return -EINVAL;
+
+ clk->parent = parent;
+
+ local_irq_save(flags);
+
+ tcfg1 = __raw_readl(S3C2410_TCFG1);
+ tcfg1 &= ~(S3C2410_TCFG1_MUX_MASK << shift);
+ __raw_writel(tcfg1 | bits, S3C2410_TCFG1);
+
+ local_irq_restore(flags);
+
+ return 0;
+}
+
+static struct clk clk_tin[] = {
+ [0] = {
+ .name = "pwm-tin",
+ .id = 0,
+ .set_parent = clk_pwm_tin_set_parent,
+ },
+ [1] = {
+ .name = "pwm-tin",
+ .id = 1,
+ .set_parent = clk_pwm_tin_set_parent,
+ },
+ [2] = {
+ .name = "pwm-tin",
+ .id = 2,
+ .set_parent = clk_pwm_tin_set_parent,
+ },
+ [3] = {
+ .name = "pwm-tin",
+ .id = 3,
+ .set_parent = clk_pwm_tin_set_parent,
+ },
+ [4] = {
+ .name = "pwm-tin",
+ .id = 4,
+ .set_parent = clk_pwm_tin_set_parent,
+ },
+};
+
+static __init int clk_pwm_tin_register(struct clk *pwm)
+{
+ unsigned long tcfg1 = __raw_readl(S3C2410_TCFG1);
+ unsigned int id = pwm->id;
+
+ struct clk *parent;
+ int ret;
+
+ ret = s3c24xx_register_clock(pwm);
+ if (ret < 0)
+ return ret;
+
+ tcfg1 >>= S3C2410_TCFG1_SHIFT(id);
+ tcfg1 &= S3C2410_TCFG1_MUX_MASK;
+
+ if (tcfg1 == S3C2410_TCFG1_MUX_TCLK)
+ parent = s3c24xx_pwmclk_tclk(id);
+ else
+ parent = s3c24xx_pwmclk_tdiv(id);
+
+ return clk_set_parent(pwm, parent);
+}
+
+static __init int s3c24xx_pwmclk_init(void)
+{
+ struct clk *clk_timers;
+ unsigned int clk;
+ int ret;
+
+ clk_timers = clk_get(NULL, "timers");
+ if (IS_ERR(clk_timers)) {
+ printk(KERN_ERR "%s: no parent clock\n", __func__);
+ return -EINVAL;
+ }
+
+ for (clk = 0; clk < ARRAY_SIZE(clk_timer_scaler); clk++) {
+ clk_timer_scaler[clk].parent = clk_timers;
+ ret = s3c24xx_register_clock(&clk_timer_scaler[clk]);
+ if (ret < 0) {
+ printk(KERN_ERR "error adding pwm scaler%d clock\n", clk);
+ goto err;
+ }
+ }
+
+ for (clk = 0; clk < ARRAY_SIZE(clk_timer_tclk); clk++) {
+ ret = s3c24xx_register_clock(&clk_timer_tclk[clk]);
+ if (ret < 0) {
+ printk(KERN_ERR "error adding pww tclk%d\n", clk);
+ goto err;
+ }
+ }
+
+ for (clk = 0; clk < ARRAY_SIZE(clk_timer_tdiv); clk++) {
+ ret = clk_pwm_tdiv_register(clk);
+ if (ret < 0) {
+ printk(KERN_ERR "error adding pwm%d tdiv clock\n", clk);
+ goto err;
+ }
+ }
+
+ for (clk = 0; clk < ARRAY_SIZE(clk_tin); clk++) {
+ ret = clk_pwm_tin_register(&clk_tin[clk]);
+ if (ret < 0) {
+ printk(KERN_ERR "error adding pwm%d tin clock\n", clk);
+ goto err;
+ }
+ }
+
+ return 0;
+
+ err:
+ return ret;
+}
+
+arch_initcall(s3c24xx_pwmclk_init);
diff --git a/arch/arm/plat-s3c24xx/pwm.c b/arch/arm/plat-s3c24xx/pwm.c
new file mode 100644
index 00000000000..18c4bdc49a0
--- /dev/null
+++ b/arch/arm/plat-s3c24xx/pwm.c
@@ -0,0 +1,402 @@
+/* arch/arm/plat-s3c24xx/pwm.c
+ *
+ * Copyright (c) 2007 Ben Dooks
+ * Copyright (c) 2008 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>, <ben-linux@fluff.org>
+ *
+ * S3C24XX PWM device core
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License.
+*/
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/err.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/pwm.h>
+
+#include <asm/plat-s3c/regs-timer.h>
+
+struct pwm_device {
+ struct list_head list;
+ struct platform_device *pdev;
+
+ struct clk *clk_div;
+ struct clk *clk;
+ const char *label;
+
+ unsigned int period_ns;
+ unsigned int duty_ns;
+
+ unsigned char tcon_base;
+ unsigned char running;
+ unsigned char use_count;
+ unsigned char pwm_id;
+};
+
+#define pwm_dbg(_pwm, msg...) dev_info(&(_pwm)->pdev->dev, msg)
+
+static struct clk *clk_scaler[2];
+
+/* Standard setup for a timer block. */
+
+#define TIMER_RESOURCE_SIZE (1)
+
+#define TIMER_RESOURCE(_tmr, _irq) \
+ (struct resource [TIMER_RESOURCE_SIZE]) { \
+ [0] = { \
+ .start = _irq, \
+ .end = _irq, \
+ .flags = IORESOURCE_IRQ \
+ } \
+ }
+
+#define DEFINE_TIMER(_tmr_no, _irq) \
+ .name = "s3c24xx-pwm", \
+ .id = _tmr_no, \
+ .num_resources = TIMER_RESOURCE_SIZE, \
+ .resource = TIMER_RESOURCE(_tmr_no, _irq), \
+
+/* since we already have an static mapping for the timer, we do not
+ * bother setting any IO resource for the base.
+ */
+
+struct platform_device s3c_device_timer[] = {
+ [0] = { DEFINE_TIMER(0, IRQ_TIMER0) },
+ [1] = { DEFINE_TIMER(1, IRQ_TIMER1) },
+ [2] = { DEFINE_TIMER(2, IRQ_TIMER2) },
+ [3] = { DEFINE_TIMER(3, IRQ_TIMER3) },
+ [4] = { DEFINE_TIMER(4, IRQ_TIMER4) },
+};
+
+static inline int pwm_is_tdiv(struct pwm_device *pwm)
+{
+ return clk_get_parent(pwm->clk) == pwm->clk_div;
+}
+
+static DEFINE_MUTEX(pwm_lock);
+static LIST_HEAD(pwm_list);
+
+struct pwm_device *pwm_request(int pwm_id, const char *label)
+{
+ struct pwm_device *pwm;
+ int found = 0;
+
+ mutex_lock(&pwm_lock);
+
+ list_for_each_entry(pwm, &pwm_list, list) {
+ if (pwm->pwm_id == pwm_id) {
+ found = 1;
+ break;
+ }
+ }
+
+ if (found) {
+ if (pwm->use_count == 0) {
+ pwm->use_count = 1;
+ pwm->label = label;
+ } else
+ pwm = ERR_PTR(-EBUSY);
+ } else
+ pwm = ERR_PTR(-ENOENT);
+
+ mutex_unlock(&pwm_lock);
+ return pwm;
+}
+
+EXPORT_SYMBOL(pwm_request);
+
+
+void pwm_free(struct pwm_device *pwm)
+{
+ mutex_lock(&pwm_lock);
+
+ if (pwm->use_count) {
+ pwm->use_count--;
+ pwm->label = NULL;
+ } else
+ printk(KERN_ERR "PWM%d device already freed\n", pwm->pwm_id);
+
+ mutex_unlock(&pwm_lock);
+}
+
+EXPORT_SYMBOL(pwm_free);
+
+#define pwm_tcon_start(pwm) (1 << (pwm->tcon_base + 0))
+#define pwm_tcon_invert(pwm) (1 << (pwm->tcon_base + 2))
+#define pwm_tcon_autoreload(pwm) (1 << (pwm->tcon_base + 3))
+#define pwm_tcon_manulupdate(pwm) (1 << (pwm->tcon_base + 1))
+
+int pwm_enable(struct pwm_device *pwm)
+{
+ unsigned long flags;
+ unsigned long tcon;
+
+ local_irq_save(flags);
+
+ tcon = __raw_readl(S3C2410_TCON);
+ tcon |= pwm_tcon_start(pwm);
+ __raw_writel(tcon, S3C2410_TCON);
+
+ local_irq_restore(flags);
+
+ pwm->running = 1;
+ return 0;
+}
+
+EXPORT_SYMBOL(pwm_enable);
+
+void pwm_disable(struct pwm_device *pwm)
+{
+ unsigned long flags;
+ unsigned long tcon;
+
+ local_irq_save(flags);
+
+ tcon = __raw_readl(S3C2410_TCON);
+ tcon &= ~pwm_tcon_start(pwm);
+ __raw_writel(tcon, S3C2410_TCON);
+
+ local_irq_restore(flags);
+
+ pwm->running = 0;
+}
+
+EXPORT_SYMBOL(pwm_disable);
+
+unsigned long pwm_calc_tin(struct pwm_device *pwm, unsigned long freq)
+{
+ unsigned long tin_parent_rate;
+ unsigned int div;
+
+ tin_parent_rate = clk_get_rate(clk_get_parent(pwm->clk_div));
+ pwm_dbg(pwm, "tin parent at %lu\n", tin_parent_rate);
+
+ for (div = 2; div <= 16; div *= 2) {
+ if ((tin_parent_rate / (div << 16)) < freq)
+ return tin_parent_rate / div;
+ }
+
+ return tin_parent_rate / 16;
+}
+
+#define NS_IN_HZ (1000000000UL)
+
+int pwm_config(struct pwm_device *pwm, int duty_ns, int period_ns)
+{
+ unsigned long tin_rate;
+ unsigned long tin_ns;
+ unsigned long period;
+ unsigned long flags;
+ unsigned long tcon;
+ unsigned long tcnt;
+ long tcmp;
+
+ /* We currently avoid using 64bit arithmetic by using the
+ * fact that anything faster than 1Hz is easily representable
+ * by 32bits. */
+
+ if (period_ns > NS_IN_HZ || duty_ns > NS_IN_HZ)
+ return -ERANGE;
+
+ if (duty_ns > period_ns)
+ return -EINVAL;
+
+ if (period_ns == pwm->period_ns &&
+ duty_ns == pwm->duty_ns)
+ return 0;
+
+ /* The TCMP and TCNT can be read without a lock, they're not
+ * shared between the timers. */
+
+ tcmp = __raw_readl(S3C2410_TCMPB(pwm->pwm_id));
+ tcnt = __raw_readl(S3C2410_TCNTB(pwm->pwm_id));
+
+ period = NS_IN_HZ / period_ns;
+
+ pwm_dbg(pwm, "duty_ns=%d, period_ns=%d (%lu)\n",
+ duty_ns, period_ns, period);
+
+ /* Check to see if we are changing the clock rate of the PWM */
+
+ if (pwm->period_ns != period_ns) {
+ if (pwm_is_tdiv(pwm)) {
+ tin_rate = pwm_calc_tin(pwm, period);
+ clk_set_rate(pwm->clk_div, tin_rate);
+ } else
+ tin_rate = clk_get_rate(pwm->clk);
+
+ pwm->period_ns = period_ns;
+
+ pwm_dbg(pwm, "tin_rate=%lu\n", tin_rate);
+
+ tin_ns = NS_IN_HZ / tin_rate;
+ tcnt = period_ns / tin_ns;
+ } else
+ tin_ns = NS_IN_HZ / clk_get_rate(pwm->clk);
+
+ /* Note, counters count down */
+
+ tcmp = duty_ns / tin_ns;
+ tcmp = tcnt - tcmp;
+
+ pwm_dbg(pwm, "tin_ns=%lu, tcmp=%ld/%lu\n", tin_ns, tcmp, tcnt);
+
+ if (tcmp < 0)
+ tcmp = 0;
+
+ /* Update the PWM register block. */
+
+ local_irq_save(flags);
+
+ __raw_writel(tcmp, S3C2410_TCMPB(pwm->pwm_id));
+ __raw_writel(tcnt, S3C2410_TCNTB(pwm->pwm_id));
+
+ tcon = __raw_readl(S3C2410_TCON);
+ tcon |= pwm_tcon_manulupdate(pwm);
+ tcon |= pwm_tcon_autoreload(pwm);
+ __raw_writel(tcon, S3C2410_TCON);
+
+ tcon &= ~pwm_tcon_manulupdate(pwm);
+ __raw_writel(tcon, S3C2410_TCON);
+
+ local_irq_restore(flags);
+
+ return 0;
+}
+
+EXPORT_SYMBOL(pwm_config);
+
+static int pwm_register(struct pwm_device *pwm)
+{
+ pwm->duty_ns = -1;
+ pwm->period_ns = -1;
+
+ mutex_lock(&pwm_lock);
+ list_add_tail(&pwm->list, &pwm_list);
+ mutex_unlock(&pwm_lock);
+
+ return 0;
+}
+
+static int s3c_pwm_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct pwm_device *pwm;
+ unsigned long flags;
+ unsigned long tcon;
+ unsigned int id = pdev->id;
+ int ret;
+
+ if (id == 4) {
+ dev_err(dev, "TIMER4 is currently not supported\n");
+ return -ENXIO;
+ }
+
+ pwm = kzalloc(sizeof(struct pwm_device), GFP_KERNEL);
+ if (pwm == NULL) {
+ dev_err(dev, "failed to allocate pwm_device\n");
+ return -ENOMEM;
+ }
+
+ pwm->pdev = pdev;
+ pwm->pwm_id = id;
+
+ /* calculate base of control bits in TCON */
+ pwm->tcon_base = id == 0 ? 0 : (id * 4) + 4;
+
+ pwm->clk = clk_get(dev, "pwm-tin");
+ if (IS_ERR(pwm->clk)) {
+ dev_err(dev, "failed to get pwm tin clk\n");
+ ret = PTR_ERR(pwm->clk);
+ goto err_alloc;
+ }
+
+ pwm->clk_div = clk_get(dev, "pwm-tdiv");
+ if (IS_ERR(pwm->clk_div)) {
+ dev_err(dev, "failed to get pwm tdiv clk\n");
+ ret = PTR_ERR(pwm->clk_div);
+ goto err_clk_tin;
+ }
+
+ local_irq_save(flags);
+
+ tcon = __raw_readl(S3C2410_TCON);
+ tcon |= pwm_tcon_invert(pwm);
+ __raw_writel(tcon, S3C2410_TCON);
+
+ local_irq_restore(flags);
+
+
+ ret = pwm_register(pwm);
+ if (ret) {
+ dev_err(dev, "failed to register pwm\n");
+ goto err_clk_tdiv;
+ }
+
+ pwm_dbg(pwm, "config bits %02x\n",
+ (__raw_readl(S3C2410_TCON) >> pwm->tcon_base) & 0x0f);
+
+ dev_info(dev, "tin at %lu, tdiv at %lu, tin=%sclk, base %d\n",
+ clk_get_rate(pwm->clk),
+ clk_get_rate(pwm->clk_div),
+ pwm_is_tdiv(pwm) ? "div" : "ext", pwm->tcon_base);
+
+ platform_set_drvdata(pdev, pwm);
+ return 0;
+
+ err_clk_tdiv:
+ clk_put(pwm->clk_div);
+
+ err_clk_tin:
+ clk_put(pwm->clk);
+
+ err_alloc:
+ kfree(pwm);
+ return ret;
+}
+
+static int s3c_pwm_remove(struct platform_device *pdev)
+{
+ struct pwm_device *pwm = platform_get_drvdata(pdev);
+
+ clk_put(pwm->clk_div);
+ clk_put(pwm->clk);
+ kfree(pwm);
+
+ return 0;
+}
+
+static struct platform_driver s3c_pwm_driver = {
+ .driver = {
+ .name = "s3c24xx-pwm",
+ .owner = THIS_MODULE,
+ },
+ .probe = s3c_pwm_probe,
+ .remove = __devexit_p(s3c_pwm_remove),
+};
+
+static int __init pwm_init(void)
+{
+ int ret;
+
+ clk_scaler[0] = clk_get(NULL, "pwm-scaler0");
+ clk_scaler[1] = clk_get(NULL, "pwm-scaler1");
+
+ if (IS_ERR(clk_scaler[0]) || IS_ERR(clk_scaler[1])) {
+ printk(KERN_ERR "%s: failed to get scaler clocks\n", __func__);
+ return -EINVAL;
+ }
+
+ ret = platform_driver_register(&s3c_pwm_driver);
+ if (ret)
+ printk(KERN_ERR "%s: failed to add pwm driver\n", __func__);
+
+ return ret;
+}
+
+arch_initcall(pwm_init);
diff --git a/arch/arm/tools/mach-types b/arch/arm/tools/mach-types
index 207a8b5a0c4..0be5630ff56 100644
--- a/arch/arm/tools/mach-types
+++ b/arch/arm/tools/mach-types
@@ -12,7 +12,7 @@
#
# http://www.arm.linux.org.uk/developer/machines/?action=new
#
-# Last update: Sat Apr 19 11:23:38 2008
+# Last update: Mon Jul 7 16:25:39 2008
#
# machine_is_xxx CONFIG_xxxx MACH_TYPE_xxx number
#
@@ -560,7 +560,6 @@ husky MACH_HUSKY HUSKY 543
boxer MACH_BOXER BOXER 544
shepherd MACH_SHEPHERD SHEPHERD 545
aml42800aa MACH_AML42800AA AML42800AA 546
-ml674001 MACH_MACH_TYPE_ML674001 MACH_TYPE_ML674001 547
lpc2294 MACH_LPC2294 LPC2294 548
switchgrass MACH_SWITCHGRASS SWITCHGRASS 549
ens_cmu MACH_ENS_CMU ENS_CMU 550
@@ -748,7 +747,6 @@ anubis MACH_ANUBIS ANUBIS 734
ite8152 MACH_ITE8152 ITE8152 735
lpc3xxx MACH_LPC3XXX LPC3XXX 736
puppeteer MACH_PUPPETEER PUPPETEER 737
-vt001 MACH_MACH_VADATECH MACH_VADATECH 738
e570 MACH_E570 E570 739
x50 MACH_X50 X50 740
recon MACH_RECON RECON 741
@@ -839,7 +837,7 @@ ccxp270 MACH_CCXP CCXP 825
omap_gsample MACH_OMAP_GSAMPLE OMAP_GSAMPLE 826
realview_eb MACH_REALVIEW_EB REALVIEW_EB 827
samoa MACH_SAMOA SAMOA 828
-t3xscale MACH_T3XSCALE T3XSCALE 829
+palmt3 MACH_PALMT3 PALMT3 829
i878 MACH_I878 I878 830
borzoi MACH_BORZOI BORZOI 831
gecko MACH_GECKO GECKO 832
@@ -895,7 +893,7 @@ mio8390 MACH_MIO8390 MIO8390 881
omi_board MACH_OMI_BOARD OMI_BOARD 882
mx21civ MACH_MX21CIV MX21CIV 883
mahi_cdac MACH_MAHI_CDAC MAHI_CDAC 884
-xscale_palmtx MACH_XSCALE_PALMTX XSCALE_PALMTX 885
+palmtx MACH_PALMTX PALMTX 885
s3c2413 MACH_S3C2413 S3C2413 887
samsys_ep0 MACH_SAMSYS_EP0 SAMSYS_EP0 888
wg302v1 MACH_WG302V1 WG302V1 889
@@ -918,7 +916,7 @@ nxdb500 MACH_NXDB500 NXDB500 905
apf9328 MACH_APF9328 APF9328 906
omap_wipoq MACH_OMAP_WIPOQ OMAP_WIPOQ 907
omap_twip MACH_OMAP_TWIP OMAP_TWIP 908
-xscale_treo650 MACH_XSCALE_PALMTREO650 XSCALE_PALMTREO650 909
+palmtreo650 MACH_PALMTREO650 PALMTREO650 909
acumen MACH_ACUMEN ACUMEN 910
xp100 MACH_XP100 XP100 911
fs2410 MACH_FS2410 FS2410 912
@@ -926,8 +924,8 @@ pxa270_cerf MACH_PXA270_CERF PXA270_CERF 913
sq2ftlpalm MACH_SQ2FTLPALM SQ2FTLPALM 914
bsemserver MACH_BSEMSERVER BSEMSERVER 915
netclient MACH_NETCLIENT NETCLIENT 916
-xscale_palmtt5 MACH_XSCALE_PALMTT5 XSCALE_PALMTT5 917
-xscale_palmtc MACH_OMAP_PALMTC OMAP_PALMTC 918
+palmt5 MACH_PALMT5 PALMT5 917
+palmtc MACH_PALMTC PALMTC 918
omap_apollon MACH_OMAP_APOLLON OMAP_APOLLON 919
mxc30030evb MACH_MXC30030EVB MXC30030EVB 920
rea_2d MACH_REA_2D REA_2D 921
@@ -1220,7 +1218,6 @@ empca400 MACH_EMPCA400 EMPCA400 1211
em7210 MACH_EM7210 EM7210 1212
htchermes MACH_HTCHERMES HTCHERMES 1213
eti_c1 MACH_ETI_C1 ETI_C1 1214
-mach_dep2410 MACH_MACH_DEP2410 MACH_DEP2410 1215
ac100 MACH_AC100 AC100 1216
sneetch MACH_SNEETCH SNEETCH 1217
studentmate MACH_STUDENTMATE STUDENTMATE 1218
@@ -1421,10 +1418,10 @@ looxc550 MACH_LOOXC550 LOOXC550 1417
cnty_titan MACH_CNTY_TITAN CNTY_TITAN 1418
app3xx MACH_APP3XX APP3XX 1419
sideoatsgrama MACH_SIDEOATSGRAMA SIDEOATSGRAMA 1420
-xscale_palmt700p MACH_XSCALE_PALMT700P XSCALE_PALMT700P 1421
-xscale_palmt700w MACH_XSCALE_PALMT700W XSCALE_PALMT700W 1422
-xscale_palmt750 MACH_XSCALE_PALMT750 XSCALE_PALMT750 1423
-xscale_palmt755p MACH_XSCALE_PALMT755P XSCALE_PALMT755P 1424
+palmtreo700p MACH_PALMTREO700P PALMTREO700P 1421
+palmtreo700w MACH_PALMTREO700W PALMTREO700W 1422
+palmtreo750 MACH_PALMTREO750 PALMTREO750 1423
+palmtreo755p MACH_PALMTREO755P PALMTREO755P 1424
ezreganut9200 MACH_EZREGANUT9200 EZREGANUT9200 1425
sarge MACH_SARGE SARGE 1426
a696 MACH_A696 A696 1427
@@ -1463,7 +1460,7 @@ artemis MACH_ARTEMIS ARTEMIS 1462
htctitan MACH_HTCTITAN HTCTITAN 1463
qranium MACH_QRANIUM QRANIUM 1464
adx_wsc2 MACH_ADX_WSC2 ADX_WSC2 1465
-adx_medcom MACH_ADX_MEDINET ADX_MEDINET 1466
+adx_medcom MACH_ADX_MEDCOM ADX_MEDCOM 1466
bboard MACH_BBOARD BBOARD 1467
cambria MACH_CAMBRIA CAMBRIA 1468
mt7xxx MACH_MT7XXX MT7XXX 1469
@@ -1519,7 +1516,7 @@ wp188 MACH_WP188 WP188 1518
corsica MACH_CORSICA CORSICA 1519
bigeye MACH_BIGEYE BIGEYE 1520
tll5000 MACH_TLL5000 TLL5000 1522
-hni270 MACH_HNI_X270 HNI_X270 1523
+bebot MACH_BEBOT BEBOT 1523
qong MACH_QONG QONG 1524
tcompact MACH_TCOMPACT TCOMPACT 1525
puma5 MACH_PUMA5 PUMA5 1526
@@ -1636,7 +1633,6 @@ awlug4lcu MACH_AWLUG4LCU AWLUG4LCU 1637
palermoc MACH_PALERMOC PALERMOC 1638
omap_ldp MACH_OMAP_LDP OMAP_LDP 1639
ip500 MACH_IP500 IP500 1640
-mx35ads MACH_MACH_MX35ADS MACH_MX35ADS 1641
ase2 MACH_ASE2 ASE2 1642
mx35evb MACH_MX35EVB MX35EVB 1643
aml_m8050 MACH_AML_M8050 AML_M8050 1644
@@ -1647,7 +1643,7 @@ badger MACH_BADGER BADGER 1648
trizeps4wl MACH_TRIZEPS4WL TRIZEPS4WL 1649
trizeps5 MACH_TRIZEPS5 TRIZEPS5 1650
marlin MACH_MARLIN MARLIN 1651
-ts7800 MACH_TS7800 TS7800 1652
+ts78xx MACH_TS78XX TS78XX 1652
hpipaq214 MACH_HPIPAQ214 HPIPAQ214 1653
at572d940dcm MACH_AT572D940DCM AT572D940DCM 1654
ne1board MACH_NE1BOARD NE1BOARD 1655
@@ -1720,3 +1716,99 @@ htc_kaiser MACH_HTC_KAISER HTC_KAISER 1724
lg_ks20 MACH_LG_KS20 LG_KS20 1725
hhgps MACH_HHGPS HHGPS 1726
nokia_n810_wimax MACH_NOKIA_N810_WIMAX NOKIA_N810_WIMAX 1727
+insight MACH_INSIGHT INSIGHT 1728
+sapphire MACH_SAPPHIRE SAPPHIRE 1729
+csb637xo MACH_CSB637XO CSB637XO 1730
+evisiong MACH_EVISIONG EVISIONG 1731
+stmp37xx MACH_STMP37XX STMP37XX 1732
+stmp378x MACH_STMP38XX STMP38XX 1733
+tnt MACH_TNT TNT 1734
+tbxt MACH_TBXT TBXT 1735
+playmate MACH_PLAYMATE PLAYMATE 1736
+pns10 MACH_PNS10 PNS10 1737
+eznavi MACH_EZNAVI EZNAVI 1738
+ps4000 MACH_PS4000 PS4000 1739
+ezx_a780 MACH_EZX_A780 EZX_A780 1740
+ezx_e680 MACH_EZX_E680 EZX_E680 1741
+ezx_a1200 MACH_EZX_A1200 EZX_A1200 1742
+ezx_e6 MACH_EZX_E6 EZX_E6 1743
+ezx_e2 MACH_EZX_E2 EZX_E2 1744
+ezx_a910 MACH_EZX_A910 EZX_A910 1745
+cwmx31 MACH_CWMX31 CWMX31 1746
+sl2312 MACH_SL2312 SL2312 1747
+blenny MACH_BLENNY BLENNY 1748
+ds107 MACH_DS107 DS107 1749
+dsx07 MACH_DSX07 DSX07 1750
+picocom1 MACH_PICOCOM1 PICOCOM1 1751
+lynx_wolverine MACH_LYNX_WOLVERINE LYNX_WOLVERINE 1752
+ubisys_p9_sc19 MACH_UBISYS_P9_SC19 UBISYS_P9_SC19 1753
+kratos_low MACH_KRATOS_LOW KRATOS_LOW 1754
+m700 MACH_M700 M700 1755
+edmini_v2 MACH_EDMINI_V2 EDMINI_V2 1756
+zipit2 MACH_ZIPIT2 ZIPIT2 1757
+hslfemtocell MACH_HSLFEMTOCELL HSLFEMTOCELL 1758
+daintree_at91 MACH_DAINTREE_AT91 DAINTREE_AT91 1759
+sg560usb MACH_SG560USB SG560USB 1760
+omap3_pandora MACH_OMAP3_PANDORA OMAP3_PANDORA 1761
+usr8200 MACH_USR8200 USR8200 1762
+s1s65k MACH_S1S65K S1S65K 1763
+s2s65a MACH_S2S65A S2S65A 1764
+icore MACH_ICORE ICORE 1765
+mss2 MACH_MSS2 MSS2 1766
+belmont MACH_BELMONT BELMONT 1767
+asusp525 MACH_ASUSP525 ASUSP525 1768
+lb88rc8480 MACH_LB88RC8480 LB88RC8480 1769
+hipxa MACH_HIPXA HIPXA 1770
+mx25_3ds MACH_MX25_3DS MX25_3DS 1771
+m800 MACH_M800 M800 1772
+omap3530_lv_som MACH_OMAP3530_LV_SOM OMAP3530_LV_SOM 1773
+prima_evb MACH_PRIMA_EVB PRIMA_EVB 1774
+mx31bt1 MACH_MX31BT1 MX31BT1 1775
+atlas4_evb MACH_ATLAS4_EVB ATLAS4_EVB 1776
+mx31cicada MACH_MX31CICADA MX31CICADA 1777
+mi424wr MACH_MI424WR MI424WR 1778
+axs_ultrax MACH_AXS_ULTRAX AXS_ULTRAX 1779
+at572d940deb MACH_AT572D940DEB AT572D940DEB 1780
+davinci_da8xx_evm MACH_DAVINCI_DA8XX_EVM DAVINCI_DA8XX_EVM 1781
+ep9302 MACH_EP9302 EP9302 1782
+at572d940hfeb MACH_AT572D940HFEB AT572D940HFEB 1783
+cybook3 MACH_CYBOOK3 CYBOOK3 1784
+wdg002 MACH_WDG002 WDG002 1785
+sg560adsl MACH_SG560ADSL SG560ADSL 1786
+nextio_n2800_ica MACH_NEXTIO_N2800_ICA NEXTIO_N2800_ICA 1787
+marvell_newdb MACH_MARVELL_NEWDB MARVELL_NEWDB 1789
+vandihud MACH_VANDIHUD VANDIHUD 1790
+magx_e8 MACH_MAGX_E8 MAGX_E8 1791
+magx_z6 MACH_MAGX_Z6 MAGX_Z6 1792
+magx_v8 MACH_MAGX_V8 MAGX_V8 1793
+magx_u9 MACH_MAGX_U9 MAGX_U9 1794
+toughcf08 MACH_TOUGHCF08 TOUGHCF08 1795
+zw4400 MACH_ZW4400 ZW4400 1796
+marat91 MACH_MARAT91 MARAT91 1797
+overo MACH_OVERO OVERO 1798
+at2440evb MACH_AT2440EVB AT2440EVB 1799
+neocore926 MACH_NEOCORE926 NEOCORE926 1800
+wnr854t MACH_WNR854T WNR854T 1801
+imx27 MACH_IMX27 IMX27 1802
+moose_db MACH_MOOSE_DB MOOSE_DB 1803
+fab4 MACH_FAB4 FAB4 1804
+htcdiamond MACH_HTCDIAMOND HTCDIAMOND 1805
+fiona MACH_FIONA FIONA 1806
+mxc30030_x MACH_MXC30030_X MXC30030_X 1807
+bmp1000 MACH_BMP1000 BMP1000 1808
+logi9200 MACH_LOGI9200 LOGI9200 1809
+tqma31 MACH_TQMA31 TQMA31 1810
+ccw9p9215js MACH_CCW9P9215JS CCW9P9215JS 1811
+rd88f5181l_ge MACH_RD88F5181L_GE RD88F5181L_GE 1812
+sifmain MACH_SIFMAIN SIFMAIN 1813
+sam9_l9261 MACH_SAM9_L9261 SAM9_L9261 1814
+cc9m2443js MACH_CC9M2443JS CC9M2443JS 1815
+xaria300 MACH_XARIA300 XARIA300 1816
+it9200 MACH_IT9200 IT9200 1817
+rd88f5181l_fxo MACH_RD88F5181L_FXO RD88F5181L_FXO 1818
+kriss_sensor MACH_KRISS_SENSOR KRISS_SENSOR 1819
+pilz_pmi5 MACH_PILZ_PMI5 PILZ_PMI5 1820
+jade MACH_JADE JADE 1821
+ks8695_softplc MACH_KS8695_SOFTPLC KS8695_SOFTPLC 1822
+gprisc4 MACH_GPRISC4 GPRISC4 1823
+stamp9260 MACH_STAMP9260 STAMP9260 1824
diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c
index 32455c633f1..c0d2c9bb952 100644
--- a/arch/arm/vfp/vfpmodule.c
+++ b/arch/arm/vfp/vfpmodule.c
@@ -352,7 +352,7 @@ static int __init vfp_init(void)
else if (vfpsid & FPSID_NODOUBLE) {
printk("no double precision support\n");
} else {
- smp_call_function(vfp_enable, NULL, 1, 1);
+ smp_call_function(vfp_enable, NULL, 1);
VFP_arch = (vfpsid & FPSID_ARCH_MASK) >> FPSID_ARCH_BIT; /* Extract the architecture version */
printk("implementor %02x architecture %d part %02x variant %x rev %x\n",
diff --git a/arch/avr32/Kconfig b/arch/avr32/Kconfig
index 09ad7995080..45d63c98601 100644
--- a/arch/avr32/Kconfig
+++ b/arch/avr32/Kconfig
@@ -88,6 +88,7 @@ config PLATFORM_AT32AP
select MMU
select PERFORMANCE_COUNTERS
select HAVE_GPIO_LIB
+ select GENERIC_ALLOCATOR
#
# CPU types
@@ -147,6 +148,9 @@ config PHYS_OFFSET
source "kernel/Kconfig.preempt"
+config QUICKLIST
+ def_bool y
+
config HAVE_ARCH_BOOTMEM_NODE
def_bool n
@@ -201,6 +205,11 @@ endmenu
menu "Power management options"
+source "kernel/power/Kconfig"
+
+config ARCH_SUSPEND_POSSIBLE
+ def_bool y
+
menu "CPU Frequency scaling"
source "drivers/cpufreq/Kconfig"
diff --git a/arch/avr32/boards/atngw100/setup.c b/arch/avr32/boards/atngw100/setup.c
index a398be28496..a51bb9fb3c8 100644
--- a/arch/avr32/boards/atngw100/setup.c
+++ b/arch/avr32/boards/atngw100/setup.c
@@ -9,6 +9,8 @@
*/
#include <linux/clk.h>
#include <linux/etherdevice.h>
+#include <linux/irq.h>
+#include <linux/i2c.h>
#include <linux/i2c-gpio.h>
#include <linux/init.h>
#include <linux/linkage.h>
@@ -25,6 +27,13 @@
#include <asm/arch/init.h>
#include <asm/arch/portmux.h>
+/* Oscillator frequencies. These are board-specific */
+unsigned long at32_board_osc_rates[3] = {
+ [0] = 32768, /* 32.768 kHz on RTC osc */
+ [1] = 20000000, /* 20 MHz on osc0 */
+ [2] = 12000000, /* 12 MHz on osc1 */
+};
+
/* Initialized by bootloader-specific startup code. */
struct tag *bootloader_tags __initdata;
@@ -140,6 +149,10 @@ static struct platform_device i2c_gpio_device = {
},
};
+static struct i2c_board_info __initdata i2c_info[] = {
+ /* NOTE: original ATtiny24 firmware is at address 0x0b */
+};
+
static int __init atngw100_init(void)
{
unsigned i;
@@ -165,12 +178,28 @@ static int __init atngw100_init(void)
}
platform_device_register(&ngw_gpio_leds);
+ /* all these i2c/smbus pins should have external pullups for
+ * open-drain sharing among all I2C devices. SDA and SCL do;
+ * PB28/EXTINT3 doesn't; it should be SMBALERT# (for PMBus),
+ * but it's not available off-board.
+ */
+ at32_select_periph(GPIO_PIN_PB(28), 0, AT32_GPIOF_PULLUP);
at32_select_gpio(i2c_gpio_data.sda_pin,
AT32_GPIOF_MULTIDRV | AT32_GPIOF_OUTPUT | AT32_GPIOF_HIGH);
at32_select_gpio(i2c_gpio_data.scl_pin,
AT32_GPIOF_MULTIDRV | AT32_GPIOF_OUTPUT | AT32_GPIOF_HIGH);
platform_device_register(&i2c_gpio_device);
+ i2c_register_board_info(0, i2c_info, ARRAY_SIZE(i2c_info));
return 0;
}
postcore_initcall(atngw100_init);
+
+static int __init atngw100_arch_init(void)
+{
+ /* set_irq_type() after the arch_initcall for EIC has run, and
+ * before the I2C subsystem could try using this IRQ.
+ */
+ return set_irq_type(AT32_EXTINT(3), IRQ_TYPE_EDGE_FALLING);
+}
+arch_initcall(atngw100_arch_init);
diff --git a/arch/avr32/boards/atstk1000/atstk1002.c b/arch/avr32/boards/atstk1000/atstk1002.c
index 000eb4220a1..86b363c1c25 100644
--- a/arch/avr32/boards/atstk1000/atstk1002.c
+++ b/arch/avr32/boards/atstk1000/atstk1002.c
@@ -28,6 +28,12 @@
#include "atstk1000.h"
+/* Oscillator frequencies. These are board specific */
+unsigned long at32_board_osc_rates[3] = {
+ [0] = 32768, /* 32.768 kHz on RTC osc */
+ [1] = 20000000, /* 20 MHz on osc0 */
+ [2] = 12000000, /* 12 MHz on osc1 */
+};
struct eth_addr {
u8 addr[6];
@@ -232,7 +238,7 @@ static int __init atstk1002_init(void)
set_hw_addr(at32_add_device_eth(1, &eth_data[1]));
#else
at32_add_device_lcdc(0, &atstk1000_lcdc_data,
- fbmem_start, fbmem_size);
+ fbmem_start, fbmem_size, 0);
#endif
at32_add_device_usba(0, NULL);
#ifndef CONFIG_BOARD_ATSTK100X_SW3_CUSTOM
diff --git a/arch/avr32/boards/atstk1000/atstk1003.c b/arch/avr32/boards/atstk1000/atstk1003.c
index a0b223df35a..ea109f435a8 100644
--- a/arch/avr32/boards/atstk1000/atstk1003.c
+++ b/arch/avr32/boards/atstk1000/atstk1003.c
@@ -27,6 +27,13 @@
#include "atstk1000.h"
+/* Oscillator frequencies. These are board specific */
+unsigned long at32_board_osc_rates[3] = {
+ [0] = 32768, /* 32.768 kHz on RTC osc */
+ [1] = 20000000, /* 20 MHz on osc0 */
+ [2] = 12000000, /* 12 MHz on osc1 */
+};
+
#ifdef CONFIG_BOARD_ATSTK1000_EXTDAC
static struct at73c213_board_info at73c213_data = {
.ssc_id = 0,
diff --git a/arch/avr32/boards/atstk1000/atstk1004.c b/arch/avr32/boards/atstk1000/atstk1004.c
index e765a8652b3..c7236df74d7 100644
--- a/arch/avr32/boards/atstk1000/atstk1004.c
+++ b/arch/avr32/boards/atstk1000/atstk1004.c
@@ -29,6 +29,13 @@
#include "atstk1000.h"
+/* Oscillator frequencies. These are board specific */
+unsigned long at32_board_osc_rates[3] = {
+ [0] = 32768, /* 32.768 kHz on RTC osc */
+ [1] = 20000000, /* 20 MHz on osc0 */
+ [2] = 12000000, /* 12 MHz on osc1 */
+};
+
#ifdef CONFIG_BOARD_ATSTK1000_EXTDAC
static struct at73c213_board_info at73c213_data = {
.ssc_id = 0,
@@ -133,7 +140,7 @@ static int __init atstk1004_init(void)
at32_add_device_mci(0);
#endif
at32_add_device_lcdc(0, &atstk1000_lcdc_data,
- fbmem_start, fbmem_size);
+ fbmem_start, fbmem_size, 0);
at32_add_device_usba(0, NULL);
#ifndef CONFIG_BOARD_ATSTK100X_SW3_CUSTOM
at32_add_device_ssc(0, ATMEL_SSC_TX);
diff --git a/arch/avr32/kernel/entry-avr32b.S b/arch/avr32/kernel/entry-avr32b.S
index 5f31702d6b1..2b398cae110 100644
--- a/arch/avr32/kernel/entry-avr32b.S
+++ b/arch/avr32/kernel/entry-avr32b.S
@@ -74,50 +74,41 @@ exception_vectors:
.align 2
bral do_dtlb_modified
- /*
- * r0 : PGD/PT/PTE
- * r1 : Offending address
- * r2 : Scratch register
- * r3 : Cause (5, 12 or 13)
- */
#define tlbmiss_save pushm r0-r3
#define tlbmiss_restore popm r0-r3
- .section .tlbx.ex.text,"ax",@progbits
+ .org 0x50
.global itlb_miss
itlb_miss:
tlbmiss_save
rjmp tlb_miss_common
- .section .tlbr.ex.text,"ax",@progbits
+ .org 0x60
dtlb_miss_read:
tlbmiss_save
rjmp tlb_miss_common
- .section .tlbw.ex.text,"ax",@progbits
+ .org 0x70
dtlb_miss_write:
tlbmiss_save
.global tlb_miss_common
+ .align 2
tlb_miss_common:
mfsr r0, SYSREG_TLBEAR
mfsr r1, SYSREG_PTBR
- /* Is it the vmalloc space? */
- bld r0, 31
- brcs handle_vmalloc_miss
-
- /* First level lookup */
+ /*
+ * First level lookup: The PGD contains virtual pointers to
+ * the second-level page tables, but they may be NULL if not
+ * present.
+ */
pgtbl_lookup:
lsr r2, r0, PGDIR_SHIFT
ld.w r3, r1[r2 << 2]
bfextu r1, r0, PAGE_SHIFT, PGDIR_SHIFT - PAGE_SHIFT
- bld r3, _PAGE_BIT_PRESENT
- brcc page_table_not_present
-
- /* Translate to virtual address in P1. */
- andl r3, 0xf000
- sbr r3, 31
+ cp.w r3, 0
+ breq page_table_not_present
/* Second level lookup */
ld.w r2, r3[r1 << 2]
@@ -148,16 +139,55 @@ pgtbl_lookup:
tlbmiss_restore
rete
-handle_vmalloc_miss:
- /* Simply do the lookup in init's page table */
+ /* The slow path of the TLB miss handler */
+ .align 2
+page_table_not_present:
+ /* Do we need to synchronize with swapper_pg_dir? */
+ bld r0, 31
+ brcs sync_with_swapper_pg_dir
+
+page_not_present:
+ tlbmiss_restore
+ sub sp, 4
+ stmts --sp, r0-lr
+ rcall save_full_context_ex
+ mfsr r12, SYSREG_ECR
+ mov r11, sp
+ rcall do_page_fault
+ rjmp ret_from_exception
+
+ .align 2
+sync_with_swapper_pg_dir:
+ /*
+ * If swapper_pg_dir contains a non-NULL second-level page
+ * table pointer, copy it into the current PGD. If not, we
+ * must handle it as a full-blown page fault.
+ *
+ * Jumping back to pgtbl_lookup causes an unnecessary lookup,
+ * but it is guaranteed to be a cache hit, it won't happen
+ * very often, and we absolutely do not want to sacrifice any
+ * performance in the fast path in order to improve this.
+ */
mov r1, lo(swapper_pg_dir)
orh r1, hi(swapper_pg_dir)
+ ld.w r3, r1[r2 << 2]
+ cp.w r3, 0
+ breq page_not_present
+ mfsr r1, SYSREG_PTBR
+ st.w r1[r2 << 2], r3
rjmp pgtbl_lookup
+ /*
+ * We currently have two bytes left at this point until we
+ * crash into the system call handler...
+ *
+ * Don't worry, the assembler will let us know.
+ */
+
/* --- System Call --- */
- .section .scall.text,"ax",@progbits
+ .org 0x100
system_call:
#ifdef CONFIG_PREEMPT
mask_interrupts
@@ -266,18 +296,6 @@ syscall_exit_work:
brcc syscall_exit_cont
rjmp enter_monitor_mode
- /* The slow path of the TLB miss handler */
-page_table_not_present:
-page_not_present:
- tlbmiss_restore
- sub sp, 4
- stmts --sp, r0-lr
- rcall save_full_context_ex
- mfsr r12, SYSREG_ECR
- mov r11, sp
- rcall do_page_fault
- rjmp ret_from_exception
-
/* This function expects to find offending PC in SYSREG_RAR_EX */
.type save_full_context_ex, @function
.align 2
diff --git a/arch/avr32/kernel/signal.c b/arch/avr32/kernel/signal.c
index 5616a00c10b..c5b11f9067f 100644
--- a/arch/avr32/kernel/signal.c
+++ b/arch/avr32/kernel/signal.c
@@ -93,6 +93,9 @@ asmlinkage int sys_rt_sigreturn(struct pt_regs *regs)
if (restore_sigcontext(regs, &frame->uc.uc_mcontext))
goto badframe;
+ if (do_sigaltstack(&frame->uc.uc_stack, NULL, regs->sp) == -EFAULT)
+ goto badframe;
+
pr_debug("Context restored: pc = %08lx, lr = %08lx, sp = %08lx\n",
regs->pc, regs->lr, regs->sp);
diff --git a/arch/avr32/kernel/stacktrace.c b/arch/avr32/kernel/stacktrace.c
index 9a68190bbff..f4bdb448049 100644
--- a/arch/avr32/kernel/stacktrace.c
+++ b/arch/avr32/kernel/stacktrace.c
@@ -51,3 +51,4 @@ void save_stack_trace(struct stack_trace *trace)
fp = frame->fp;
}
}
+EXPORT_SYMBOL_GPL(save_stack_trace);
diff --git a/arch/avr32/kernel/time.c b/arch/avr32/kernel/time.c
index 00a9862380f..abd954fb7ba 100644
--- a/arch/avr32/kernel/time.c
+++ b/arch/avr32/kernel/time.c
@@ -7,21 +7,13 @@
*/
#include <linux/clk.h>
#include <linux/clockchips.h>
-#include <linux/time.h>
-#include <linux/module.h>
+#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
-#include <linux/kernel_stat.h>
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <linux/profile.h>
-#include <linux/sysdev.h>
-#include <linux/err.h>
+#include <linux/kernel.h>
+#include <linux/time.h>
-#include <asm/div64.h>
#include <asm/sysreg.h>
-#include <asm/io.h>
-#include <asm/sections.h>
#include <asm/arch/pm.h>
diff --git a/arch/avr32/kernel/vmlinux.lds.S b/arch/avr32/kernel/vmlinux.lds.S
index 481cfd40c05..7910d41eb88 100644
--- a/arch/avr32/kernel/vmlinux.lds.S
+++ b/arch/avr32/kernel/vmlinux.lds.S
@@ -68,14 +68,6 @@ SECTIONS
_evba = .;
_text = .;
*(.ex.text)
- . = 0x50;
- *(.tlbx.ex.text)
- . = 0x60;
- *(.tlbr.ex.text)
- . = 0x70;
- *(.tlbw.ex.text)
- . = 0x100;
- *(.scall.text)
*(.irq.text)
KPROBES_TEXT
TEXT_TEXT
@@ -93,8 +85,6 @@ SECTIONS
__stop___ex_table = .;
}
- BUG_TABLE
-
RODATA
. = ALIGN(THREAD_SIZE);
@@ -107,6 +97,10 @@ SECTIONS
*/
*(.data.init_task)
+ /* Then, the page-aligned data */
+ . = ALIGN(PAGE_SIZE);
+ *(.data.page_aligned)
+
/* Then, the cacheline aligned data */
. = ALIGN(L1_CACHE_BYTES);
*(.data.cacheline_aligned)
diff --git a/arch/avr32/lib/io-readsb.S b/arch/avr32/lib/io-readsb.S
index 2be5da7ed26..cb2d8694555 100644
--- a/arch/avr32/lib/io-readsb.S
+++ b/arch/avr32/lib/io-readsb.S
@@ -41,7 +41,7 @@ __raw_readsb:
2: sub r10, -4
reteq r12
-3: ld.uh r8, r12[0]
+3: ld.ub r8, r12[0]
sub r10, 1
st.b r11++, r8
brne 3b
diff --git a/arch/avr32/mach-at32ap/Makefile b/arch/avr32/mach-at32ap/Makefile
index e89009439e4..d5018e2eed2 100644
--- a/arch/avr32/mach-at32ap/Makefile
+++ b/arch/avr32/mach-at32ap/Makefile
@@ -1,3 +1,8 @@
-obj-y += at32ap.o clock.o intc.o extint.o pio.o hsmc.o
+obj-y += pdc.o clock.o intc.o extint.o pio.o hsmc.o
obj-$(CONFIG_CPU_AT32AP700X) += at32ap700x.o pm-at32ap700x.o
obj-$(CONFIG_CPU_FREQ_AT32AP) += cpufreq.o
+obj-$(CONFIG_PM) += pm.o
+
+ifeq ($(CONFIG_PM_DEBUG),y)
+CFLAGS_pm.o += -DDEBUG
+endif
diff --git a/arch/avr32/mach-at32ap/at32ap700x.c b/arch/avr32/mach-at32ap/at32ap700x.c
index 0f24b4f85c1..07b21b121ee 100644
--- a/arch/avr32/mach-at32ap/at32ap700x.c
+++ b/arch/avr32/mach-at32ap/at32ap700x.c
@@ -20,6 +20,7 @@
#include <asm/arch/at32ap700x.h>
#include <asm/arch/board.h>
#include <asm/arch/portmux.h>
+#include <asm/arch/sram.h>
#include <video/atmel_lcdc.h>
@@ -93,19 +94,12 @@ static struct clk devname##_##_name = { \
static DEFINE_SPINLOCK(pm_lock);
-unsigned long at32ap7000_osc_rates[3] = {
- [0] = 32768,
- /* FIXME: these are ATSTK1002-specific */
- [1] = 20000000,
- [2] = 12000000,
-};
-
static struct clk osc0;
static struct clk osc1;
static unsigned long osc_get_rate(struct clk *clk)
{
- return at32ap7000_osc_rates[clk->index];
+ return at32_board_osc_rates[clk->index];
}
static unsigned long pll_get_rate(struct clk *clk, unsigned long control)
@@ -682,6 +676,14 @@ static struct clk hramc_clk = {
.users = 1,
.index = 3,
};
+static struct clk sdramc_clk = {
+ .name = "sdramc_clk",
+ .parent = &pbb_clk,
+ .mode = pbb_clk_mode,
+ .get_rate = pbb_clk_get_rate,
+ .users = 1,
+ .index = 14,
+};
static struct resource smc0_resource[] = {
PBMEM(0xfff03400),
@@ -841,6 +843,81 @@ void __init at32_add_system_devices(void)
}
/* --------------------------------------------------------------------
+ * PSIF
+ * -------------------------------------------------------------------- */
+static struct resource atmel_psif0_resource[] __initdata = {
+ {
+ .start = 0xffe03c00,
+ .end = 0xffe03cff,
+ .flags = IORESOURCE_MEM,
+ },
+ IRQ(18),
+};
+static struct clk atmel_psif0_pclk = {
+ .name = "pclk",
+ .parent = &pba_clk,
+ .mode = pba_clk_mode,
+ .get_rate = pba_clk_get_rate,
+ .index = 15,
+};
+
+static struct resource atmel_psif1_resource[] __initdata = {
+ {
+ .start = 0xffe03d00,
+ .end = 0xffe03dff,
+ .flags = IORESOURCE_MEM,
+ },
+ IRQ(18),
+};
+static struct clk atmel_psif1_pclk = {
+ .name = "pclk",
+ .parent = &pba_clk,
+ .mode = pba_clk_mode,
+ .get_rate = pba_clk_get_rate,
+ .index = 15,
+};
+
+struct platform_device *__init at32_add_device_psif(unsigned int id)
+{
+ struct platform_device *pdev;
+
+ if (!(id == 0 || id == 1))
+ return NULL;
+
+ pdev = platform_device_alloc("atmel_psif", id);
+ if (!pdev)
+ return NULL;
+
+ switch (id) {
+ case 0:
+ if (platform_device_add_resources(pdev, atmel_psif0_resource,
+ ARRAY_SIZE(atmel_psif0_resource)))
+ goto err_add_resources;
+ atmel_psif0_pclk.dev = &pdev->dev;
+ select_peripheral(PA(8), PERIPH_A, 0); /* CLOCK */
+ select_peripheral(PA(9), PERIPH_A, 0); /* DATA */
+ break;
+ case 1:
+ if (platform_device_add_resources(pdev, atmel_psif1_resource,
+ ARRAY_SIZE(atmel_psif1_resource)))
+ goto err_add_resources;
+ atmel_psif1_pclk.dev = &pdev->dev;
+ select_peripheral(PB(11), PERIPH_A, 0); /* CLOCK */
+ select_peripheral(PB(12), PERIPH_A, 0); /* DATA */
+ break;
+ default:
+ return NULL;
+ }
+
+ platform_device_add(pdev);
+ return pdev;
+
+err_add_resources:
+ platform_device_put(pdev);
+ return NULL;
+}
+
+/* --------------------------------------------------------------------
* USART
* -------------------------------------------------------------------- */
@@ -1113,7 +1190,8 @@ at32_add_device_spi(unsigned int id, struct spi_board_info *b, unsigned int n)
switch (id) {
case 0:
pdev = &atmel_spi0_device;
- select_peripheral(PA(0), PERIPH_A, 0); /* MISO */
+ /* pullup MISO so a level is always defined */
+ select_peripheral(PA(0), PERIPH_A, AT32_GPIOF_PULLUP);
select_peripheral(PA(1), PERIPH_A, 0); /* MOSI */
select_peripheral(PA(2), PERIPH_A, 0); /* SCK */
at32_spi_setup_slaves(0, b, n, spi0_pins);
@@ -1121,7 +1199,8 @@ at32_add_device_spi(unsigned int id, struct spi_board_info *b, unsigned int n)
case 1:
pdev = &atmel_spi1_device;
- select_peripheral(PB(0), PERIPH_B, 0); /* MISO */
+ /* pullup MISO so a level is always defined */
+ select_peripheral(PB(0), PERIPH_B, AT32_GPIOF_PULLUP);
select_peripheral(PB(1), PERIPH_B, 0); /* MOSI */
select_peripheral(PB(5), PERIPH_B, 0); /* SCK */
at32_spi_setup_slaves(1, b, n, spi1_pins);
@@ -1264,7 +1343,8 @@ static struct clk atmel_lcdfb0_pixclk = {
struct platform_device *__init
at32_add_device_lcdc(unsigned int id, struct atmel_lcdfb_info *data,
- unsigned long fbmem_start, unsigned long fbmem_len)
+ unsigned long fbmem_start, unsigned long fbmem_len,
+ unsigned int pin_config)
{
struct platform_device *pdev;
struct atmel_lcdfb_info *info;
@@ -1291,37 +1371,77 @@ at32_add_device_lcdc(unsigned int id, struct atmel_lcdfb_info *data,
switch (id) {
case 0:
pdev = &atmel_lcdfb0_device;
- select_peripheral(PC(19), PERIPH_A, 0); /* CC */
- select_peripheral(PC(20), PERIPH_A, 0); /* HSYNC */
- select_peripheral(PC(21), PERIPH_A, 0); /* PCLK */
- select_peripheral(PC(22), PERIPH_A, 0); /* VSYNC */
- select_peripheral(PC(23), PERIPH_A, 0); /* DVAL */
- select_peripheral(PC(24), PERIPH_A, 0); /* MODE */
- select_peripheral(PC(25), PERIPH_A, 0); /* PWR */
- select_peripheral(PC(26), PERIPH_A, 0); /* DATA0 */
- select_peripheral(PC(27), PERIPH_A, 0); /* DATA1 */
- select_peripheral(PC(28), PERIPH_A, 0); /* DATA2 */
- select_peripheral(PC(29), PERIPH_A, 0); /* DATA3 */
- select_peripheral(PC(30), PERIPH_A, 0); /* DATA4 */
- select_peripheral(PC(31), PERIPH_A, 0); /* DATA5 */
- select_peripheral(PD(0), PERIPH_A, 0); /* DATA6 */
- select_peripheral(PD(1), PERIPH_A, 0); /* DATA7 */
- select_peripheral(PD(2), PERIPH_A, 0); /* DATA8 */
- select_peripheral(PD(3), PERIPH_A, 0); /* DATA9 */
- select_peripheral(PD(4), PERIPH_A, 0); /* DATA10 */
- select_peripheral(PD(5), PERIPH_A, 0); /* DATA11 */
- select_peripheral(PD(6), PERIPH_A, 0); /* DATA12 */
- select_peripheral(PD(7), PERIPH_A, 0); /* DATA13 */
- select_peripheral(PD(8), PERIPH_A, 0); /* DATA14 */
- select_peripheral(PD(9), PERIPH_A, 0); /* DATA15 */
- select_peripheral(PD(10), PERIPH_A, 0); /* DATA16 */
- select_peripheral(PD(11), PERIPH_A, 0); /* DATA17 */
- select_peripheral(PD(12), PERIPH_A, 0); /* DATA18 */
- select_peripheral(PD(13), PERIPH_A, 0); /* DATA19 */
- select_peripheral(PD(14), PERIPH_A, 0); /* DATA20 */
- select_peripheral(PD(15), PERIPH_A, 0); /* DATA21 */
- select_peripheral(PD(16), PERIPH_A, 0); /* DATA22 */
- select_peripheral(PD(17), PERIPH_A, 0); /* DATA23 */
+
+ switch (pin_config) {
+ case 0:
+ select_peripheral(PC(19), PERIPH_A, 0); /* CC */
+ select_peripheral(PC(20), PERIPH_A, 0); /* HSYNC */
+ select_peripheral(PC(21), PERIPH_A, 0); /* PCLK */
+ select_peripheral(PC(22), PERIPH_A, 0); /* VSYNC */
+ select_peripheral(PC(23), PERIPH_A, 0); /* DVAL */
+ select_peripheral(PC(24), PERIPH_A, 0); /* MODE */
+ select_peripheral(PC(25), PERIPH_A, 0); /* PWR */
+ select_peripheral(PC(26), PERIPH_A, 0); /* DATA0 */
+ select_peripheral(PC(27), PERIPH_A, 0); /* DATA1 */
+ select_peripheral(PC(28), PERIPH_A, 0); /* DATA2 */
+ select_peripheral(PC(29), PERIPH_A, 0); /* DATA3 */
+ select_peripheral(PC(30), PERIPH_A, 0); /* DATA4 */
+ select_peripheral(PC(31), PERIPH_A, 0); /* DATA5 */
+ select_peripheral(PD(0), PERIPH_A, 0); /* DATA6 */
+ select_peripheral(PD(1), PERIPH_A, 0); /* DATA7 */
+ select_peripheral(PD(2), PERIPH_A, 0); /* DATA8 */
+ select_peripheral(PD(3), PERIPH_A, 0); /* DATA9 */
+ select_peripheral(PD(4), PERIPH_A, 0); /* DATA10 */
+ select_peripheral(PD(5), PERIPH_A, 0); /* DATA11 */
+ select_peripheral(PD(6), PERIPH_A, 0); /* DATA12 */
+ select_peripheral(PD(7), PERIPH_A, 0); /* DATA13 */
+ select_peripheral(PD(8), PERIPH_A, 0); /* DATA14 */
+ select_peripheral(PD(9), PERIPH_A, 0); /* DATA15 */
+ select_peripheral(PD(10), PERIPH_A, 0); /* DATA16 */
+ select_peripheral(PD(11), PERIPH_A, 0); /* DATA17 */
+ select_peripheral(PD(12), PERIPH_A, 0); /* DATA18 */
+ select_peripheral(PD(13), PERIPH_A, 0); /* DATA19 */
+ select_peripheral(PD(14), PERIPH_A, 0); /* DATA20 */
+ select_peripheral(PD(15), PERIPH_A, 0); /* DATA21 */
+ select_peripheral(PD(16), PERIPH_A, 0); /* DATA22 */
+ select_peripheral(PD(17), PERIPH_A, 0); /* DATA23 */
+ break;
+ case 1:
+ select_peripheral(PE(0), PERIPH_B, 0); /* CC */
+ select_peripheral(PC(20), PERIPH_A, 0); /* HSYNC */
+ select_peripheral(PC(21), PERIPH_A, 0); /* PCLK */
+ select_peripheral(PC(22), PERIPH_A, 0); /* VSYNC */
+ select_peripheral(PE(1), PERIPH_B, 0); /* DVAL */
+ select_peripheral(PE(2), PERIPH_B, 0); /* MODE */
+ select_peripheral(PC(25), PERIPH_A, 0); /* PWR */
+ select_peripheral(PE(3), PERIPH_B, 0); /* DATA0 */
+ select_peripheral(PE(4), PERIPH_B, 0); /* DATA1 */
+ select_peripheral(PE(5), PERIPH_B, 0); /* DATA2 */
+ select_peripheral(PE(6), PERIPH_B, 0); /* DATA3 */
+ select_peripheral(PE(7), PERIPH_B, 0); /* DATA4 */
+ select_peripheral(PC(31), PERIPH_A, 0); /* DATA5 */
+ select_peripheral(PD(0), PERIPH_A, 0); /* DATA6 */
+ select_peripheral(PD(1), PERIPH_A, 0); /* DATA7 */
+ select_peripheral(PE(8), PERIPH_B, 0); /* DATA8 */
+ select_peripheral(PE(9), PERIPH_B, 0); /* DATA9 */
+ select_peripheral(PE(10), PERIPH_B, 0); /* DATA10 */
+ select_peripheral(PE(11), PERIPH_B, 0); /* DATA11 */
+ select_peripheral(PE(12), PERIPH_B, 0); /* DATA12 */
+ select_peripheral(PD(7), PERIPH_A, 0); /* DATA13 */
+ select_peripheral(PD(8), PERIPH_A, 0); /* DATA14 */
+ select_peripheral(PD(9), PERIPH_A, 0); /* DATA15 */
+ select_peripheral(PE(13), PERIPH_B, 0); /* DATA16 */
+ select_peripheral(PE(14), PERIPH_B, 0); /* DATA17 */
+ select_peripheral(PE(15), PERIPH_B, 0); /* DATA18 */
+ select_peripheral(PE(16), PERIPH_B, 0); /* DATA19 */
+ select_peripheral(PE(17), PERIPH_B, 0); /* DATA20 */
+ select_peripheral(PE(18), PERIPH_B, 0); /* DATA21 */
+ select_peripheral(PD(16), PERIPH_A, 0); /* DATA22 */
+ select_peripheral(PD(17), PERIPH_A, 0); /* DATA23 */
+ break;
+ default:
+ goto err_invalid_id;
+ }
clk_set_parent(&atmel_lcdfb0_pixclk, &pll0);
clk_set_rate(&atmel_lcdfb0_pixclk, clk_get_rate(&pll0));
@@ -1360,7 +1480,7 @@ static struct resource atmel_pwm0_resource[] __initdata = {
IRQ(24),
};
static struct clk atmel_pwm0_mck = {
- .name = "mck",
+ .name = "pwm_clk",
.parent = &pbb_clk,
.mode = pbb_clk_mode,
.get_rate = pbb_clk_get_rate,
@@ -1887,6 +2007,7 @@ struct clk *at32_clock_list[] = {
&hmatrix_clk,
&ebi_clk,
&hramc_clk,
+ &sdramc_clk,
&smc0_pclk,
&smc0_mck,
&pdc_hclk,
@@ -1900,6 +2021,8 @@ struct clk *at32_clock_list[] = {
&pio4_mck,
&at32_tcb0_t0_clk,
&at32_tcb1_t0_clk,
+ &atmel_psif0_pclk,
+ &atmel_psif1_pclk,
&atmel_usart0_usart,
&atmel_usart1_usart,
&atmel_usart2_usart,
@@ -1935,16 +2058,7 @@ struct clk *at32_clock_list[] = {
};
unsigned int at32_nr_clocks = ARRAY_SIZE(at32_clock_list);
-void __init at32_portmux_init(void)
-{
- at32_init_pio(&pio0_device);
- at32_init_pio(&pio1_device);
- at32_init_pio(&pio2_device);
- at32_init_pio(&pio3_device);
- at32_init_pio(&pio4_device);
-}
-
-void __init at32_clock_init(void)
+void __init setup_platform(void)
{
u32 cpu_mask = 0, hsb_mask = 0, pba_mask = 0, pbb_mask = 0;
int i;
@@ -1999,4 +2113,36 @@ void __init at32_clock_init(void)
pm_writel(HSB_MASK, hsb_mask);
pm_writel(PBA_MASK, pba_mask);
pm_writel(PBB_MASK, pbb_mask);
+
+ /* Initialize the port muxes */
+ at32_init_pio(&pio0_device);
+ at32_init_pio(&pio1_device);
+ at32_init_pio(&pio2_device);
+ at32_init_pio(&pio3_device);
+ at32_init_pio(&pio4_device);
+}
+
+struct gen_pool *sram_pool;
+
+static int __init sram_init(void)
+{
+ struct gen_pool *pool;
+
+ /* 1KiB granularity */
+ pool = gen_pool_create(10, -1);
+ if (!pool)
+ goto fail;
+
+ if (gen_pool_add(pool, 0x24000000, 0x8000, -1))
+ goto err_pool_add;
+
+ sram_pool = pool;
+ return 0;
+
+err_pool_add:
+ gen_pool_destroy(pool);
+fail:
+ pr_err("Failed to create SRAM pool\n");
+ return -ENOMEM;
}
+core_initcall(sram_init);
diff --git a/arch/avr32/mach-at32ap/intc.c b/arch/avr32/mach-at32ap/intc.c
index 097cf4e8405..994c4545e2b 100644
--- a/arch/avr32/mach-at32ap/intc.c
+++ b/arch/avr32/mach-at32ap/intc.c
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2006 Atmel Corporation
+ * Copyright (C) 2006, 2008 Atmel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@@ -12,14 +12,20 @@
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/platform_device.h>
+#include <linux/sysdev.h>
#include <asm/io.h>
#include "intc.h"
struct intc {
- void __iomem *regs;
- struct irq_chip chip;
+ void __iomem *regs;
+ struct irq_chip chip;
+ struct sys_device sysdev;
+#ifdef CONFIG_PM
+ unsigned long suspend_ipr;
+ unsigned long saved_ipr[64];
+#endif
};
extern struct platform_device at32_intc0_device;
@@ -136,6 +142,74 @@ fail:
panic("Interrupt controller initialization failed!\n");
}
+#ifdef CONFIG_PM
+void intc_set_suspend_handler(unsigned long offset)
+{
+ intc0.suspend_ipr = offset;
+}
+
+static int intc_suspend(struct sys_device *sdev, pm_message_t state)
+{
+ struct intc *intc = container_of(sdev, struct intc, sysdev);
+ int i;
+
+ if (unlikely(!irqs_disabled())) {
+ pr_err("intc_suspend: called with interrupts enabled\n");
+ return -EINVAL;
+ }
+
+ if (unlikely(!intc->suspend_ipr)) {
+ pr_err("intc_suspend: suspend_ipr not initialized\n");
+ return -EINVAL;
+ }
+
+ for (i = 0; i < 64; i++) {
+ intc->saved_ipr[i] = intc_readl(intc, INTPR0 + 4 * i);
+ intc_writel(intc, INTPR0 + 4 * i, intc->suspend_ipr);
+ }
+
+ return 0;
+}
+
+static int intc_resume(struct sys_device *sdev)
+{
+ struct intc *intc = container_of(sdev, struct intc, sysdev);
+ int i;
+
+ WARN_ON(!irqs_disabled());
+
+ for (i = 0; i < 64; i++)
+ intc_writel(intc, INTPR0 + 4 * i, intc->saved_ipr[i]);
+
+ return 0;
+}
+#else
+#define intc_suspend NULL
+#define intc_resume NULL
+#endif
+
+static struct sysdev_class intc_class = {
+ .name = "intc",
+ .suspend = intc_suspend,
+ .resume = intc_resume,
+};
+
+static int __init intc_init_sysdev(void)
+{
+ int ret;
+
+ ret = sysdev_class_register(&intc_class);
+ if (ret)
+ return ret;
+
+ intc0.sysdev.id = 0;
+ intc0.sysdev.cls = &intc_class;
+ ret = sysdev_register(&intc0.sysdev);
+
+ return ret;
+}
+device_initcall(intc_init_sysdev);
+
unsigned long intc_get_pending(unsigned int group)
{
return intc_readl(&intc0, INTREQ0 + 4 * group);
diff --git a/arch/avr32/mach-at32ap/at32ap.c b/arch/avr32/mach-at32ap/pdc.c
index 7c4987f3287..1040bda4fda 100644
--- a/arch/avr32/mach-at32ap/at32ap.c
+++ b/arch/avr32/mach-at32ap/pdc.c
@@ -11,14 +11,6 @@
#include <linux/init.h>
#include <linux/platform_device.h>
-#include <asm/arch/init.h>
-
-void __init setup_platform(void)
-{
- at32_clock_init();
- at32_portmux_init();
-}
-
static int __init pdc_probe(struct platform_device *pdev)
{
struct clk *pclk, *hclk;
diff --git a/arch/avr32/mach-at32ap/pio.c b/arch/avr32/mach-at32ap/pio.c
index 38a8fa31c0b..60da03ba711 100644
--- a/arch/avr32/mach-at32ap/pio.c
+++ b/arch/avr32/mach-at32ap/pio.c
@@ -318,6 +318,8 @@ static void pio_bank_show(struct seq_file *s, struct gpio_chip *chip)
const char *label;
label = gpiochip_is_requested(chip, i);
+ if (!label && (imr & mask))
+ label = "[irq]";
if (!label)
continue;
diff --git a/arch/avr32/mach-at32ap/pio.h b/arch/avr32/mach-at32ap/pio.h
index 7795116a483..9484dfcc08f 100644
--- a/arch/avr32/mach-at32ap/pio.h
+++ b/arch/avr32/mach-at32ap/pio.h
@@ -57,7 +57,7 @@
/* Bitfields in IFDR */
-/* Bitfields in ISFR */
+/* Bitfields in IFSR */
/* Bitfields in SODR */
diff --git a/arch/avr32/mach-at32ap/pm-at32ap700x.S b/arch/avr32/mach-at32ap/pm-at32ap700x.S
index 949e2485e27..0a53ad314ff 100644
--- a/arch/avr32/mach-at32ap/pm-at32ap700x.S
+++ b/arch/avr32/mach-at32ap/pm-at32ap700x.S
@@ -12,6 +12,12 @@
#include <asm/thread_info.h>
#include <asm/arch/pm.h>
+#include "pm.h"
+#include "sdramc.h"
+
+/* Same as 0xfff00000 but fits in a 21 bit signed immediate */
+#define PM_BASE -0x100000
+
.section .bss, "wa", @nobits
.global disable_idle_sleep
.type disable_idle_sleep, @object
@@ -64,3 +70,105 @@ cpu_idle_skip_sleep:
unmask_interrupts
retal r12
.size cpu_idle_skip_sleep, . - cpu_idle_skip_sleep
+
+#ifdef CONFIG_PM
+ .section .init.text, "ax", @progbits
+
+ .global pm_exception
+ .type pm_exception, @function
+pm_exception:
+ /*
+ * Exceptions are masked when we switch to this handler, so
+ * we'll only get "unrecoverable" exceptions (offset 0.)
+ */
+ sub r12, pc, . - .Lpanic_msg
+ lddpc pc, .Lpanic_addr
+
+ .align 2
+.Lpanic_addr:
+ .long panic
+.Lpanic_msg:
+ .asciz "Unrecoverable exception during suspend\n"
+ .size pm_exception, . - pm_exception
+
+ .global pm_irq0
+ .type pm_irq0, @function
+pm_irq0:
+ /* Disable interrupts and return after the sleep instruction */
+ mfsr r9, SYSREG_RSR_INT0
+ mtsr SYSREG_RAR_INT0, r8
+ sbr r9, SYSREG_GM_OFFSET
+ mtsr SYSREG_RSR_INT0, r9
+ rete
+
+ /*
+ * void cpu_enter_standby(unsigned long sdramc_base)
+ *
+ * Enter PM_SUSPEND_STANDBY mode. At this point, all drivers
+ * are suspended and interrupts are disabled. Interrupts
+ * marked as 'wakeup' event sources may still come along and
+ * get us out of here.
+ *
+ * The SDRAM will be put into self-refresh mode (which does
+ * not require a clock from the CPU), and the CPU will be put
+ * into "frozen" mode (HSB bus stopped). The SDRAM controller
+ * will automatically bring the SDRAM into normal mode on the
+ * first access, and the power manager will automatically
+ * start the HSB and CPU clocks upon a wakeup event.
+ *
+ * This code uses the same "skip sleep" technique as above.
+ * It is very important that we jump directly to
+ * cpu_after_sleep after the sleep instruction since that's
+ * where we'll end up if the interrupt handler decides that we
+ * need to skip the sleep instruction.
+ */
+ .global pm_standby
+ .type pm_standby, @function
+pm_standby:
+ /*
+ * interrupts are already masked at this point, and EVBA
+ * points to pm_exception above.
+ */
+ ld.w r10, r12[SDRAMC_LPR]
+ sub r8, pc, . - 1f /* return address for irq handler */
+ mov r11, SDRAMC_LPR_LPCB_SELF_RFR
+ bfins r10, r11, 0, 2 /* LPCB <- self Refresh */
+ sync 0 /* flush write buffer */
+ st.w r12[SDRAMC_LPR], r11 /* put SDRAM in self-refresh mode */
+ ld.w r11, r12[SDRAMC_LPR]
+ unmask_interrupts
+ sleep CPU_SLEEP_FROZEN
+1: mask_interrupts
+ retal r12
+ .size pm_standby, . - pm_standby
+
+ .global pm_suspend_to_ram
+ .type pm_suspend_to_ram, @function
+pm_suspend_to_ram:
+ /*
+ * interrupts are already masked at this point, and EVBA
+ * points to pm_exception above.
+ */
+ mov r11, 0
+ cache r11[2], 8 /* clean all dcache lines */
+ sync 0 /* flush write buffer */
+ ld.w r10, r12[SDRAMC_LPR]
+ sub r8, pc, . - 1f /* return address for irq handler */
+ mov r11, SDRAMC_LPR_LPCB_SELF_RFR
+ bfins r10, r11, 0, 2 /* LPCB <- self refresh */
+ st.w r12[SDRAMC_LPR], r10 /* put SDRAM in self-refresh mode */
+ ld.w r11, r12[SDRAMC_LPR]
+
+ unmask_interrupts
+ sleep CPU_SLEEP_STOP
+1: mask_interrupts
+
+ retal r12
+ .size pm_suspend_to_ram, . - pm_suspend_to_ram
+
+ .global pm_sram_end
+ .type pm_sram_end, @function
+pm_sram_end:
+ .size pm_sram_end, 0
+
+#endif /* CONFIG_PM */
diff --git a/arch/avr32/mach-at32ap/pm.c b/arch/avr32/mach-at32ap/pm.c
new file mode 100644
index 00000000000..0b764320135
--- /dev/null
+++ b/arch/avr32/mach-at32ap/pm.c
@@ -0,0 +1,245 @@
+/*
+ * AVR32 AP Power Management
+ *
+ * Copyright (C) 2008 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ */
+#include <linux/io.h>
+#include <linux/suspend.h>
+#include <linux/vmalloc.h>
+
+#include <asm/cacheflush.h>
+#include <asm/sysreg.h>
+
+#include <asm/arch/pm.h>
+#include <asm/arch/sram.h>
+
+/* FIXME: This is only valid for AP7000 */
+#define SDRAMC_BASE 0xfff03800
+
+#include "sdramc.h"
+
+#define SRAM_PAGE_FLAGS (SYSREG_BIT(TLBELO_D) | SYSREG_BF(SZ, 1) \
+ | SYSREG_BF(AP, 3) | SYSREG_BIT(G))
+
+
+static unsigned long pm_sram_start;
+static size_t pm_sram_size;
+static struct vm_struct *pm_sram_area;
+
+static void (*avr32_pm_enter_standby)(unsigned long sdramc_base);
+static void (*avr32_pm_enter_str)(unsigned long sdramc_base);
+
+/*
+ * Must be called with interrupts disabled. Exceptions will be masked
+ * on return (i.e. all exceptions will be "unrecoverable".)
+ */
+static void *avr32_pm_map_sram(void)
+{
+ unsigned long vaddr;
+ unsigned long page_addr;
+ u32 tlbehi;
+ u32 mmucr;
+
+ vaddr = (unsigned long)pm_sram_area->addr;
+ page_addr = pm_sram_start & PAGE_MASK;
+
+ /*
+ * Mask exceptions and grab the first TLB entry. We won't be
+ * needing it while sleeping.
+ */
+ asm volatile("ssrf %0" : : "i"(SYSREG_EM_OFFSET) : "memory");
+
+ mmucr = sysreg_read(MMUCR);
+ tlbehi = sysreg_read(TLBEHI);
+ sysreg_write(MMUCR, SYSREG_BFINS(DRP, 0, mmucr));
+
+ tlbehi = SYSREG_BF(ASID, SYSREG_BFEXT(ASID, tlbehi));
+ tlbehi |= vaddr & PAGE_MASK;
+ tlbehi |= SYSREG_BIT(TLBEHI_V);
+
+ sysreg_write(TLBELO, page_addr | SRAM_PAGE_FLAGS);
+ sysreg_write(TLBEHI, tlbehi);
+ __builtin_tlbw();
+
+ return (void *)(vaddr + pm_sram_start - page_addr);
+}
+
+/*
+ * Must be called with interrupts disabled. Exceptions will be
+ * unmasked on return.
+ */
+static void avr32_pm_unmap_sram(void)
+{
+ u32 mmucr;
+ u32 tlbehi;
+ u32 tlbarlo;
+
+ /* Going to update TLB entry at index 0 */
+ mmucr = sysreg_read(MMUCR);
+ tlbehi = sysreg_read(TLBEHI);
+ sysreg_write(MMUCR, SYSREG_BFINS(DRP, 0, mmucr));
+
+ /* Clear the "valid" bit */
+ tlbehi = SYSREG_BF(ASID, SYSREG_BFEXT(ASID, tlbehi));
+ sysreg_write(TLBEHI, tlbehi);
+
+ /* Mark it as "not accessed" */
+ tlbarlo = sysreg_read(TLBARLO);
+ sysreg_write(TLBARLO, tlbarlo | 0x80000000U);
+
+ /* Update the TLB */
+ __builtin_tlbw();
+
+ /* Unmask exceptions */
+ asm volatile("csrf %0" : : "i"(SYSREG_EM_OFFSET) : "memory");
+}
+
+static int avr32_pm_valid_state(suspend_state_t state)
+{
+ switch (state) {
+ case PM_SUSPEND_ON:
+ case PM_SUSPEND_STANDBY:
+ case PM_SUSPEND_MEM:
+ return 1;
+
+ default:
+ return 0;
+ }
+}
+
+static int avr32_pm_enter(suspend_state_t state)
+{
+ u32 lpr_saved;
+ u32 evba_saved;
+ void *sram;
+
+ switch (state) {
+ case PM_SUSPEND_STANDBY:
+ sram = avr32_pm_map_sram();
+
+ /* Switch to in-sram exception handlers */
+ evba_saved = sysreg_read(EVBA);
+ sysreg_write(EVBA, (unsigned long)sram);
+
+ /*
+ * Save the LPR register so that we can re-enable
+ * SDRAM Low Power mode on resume.
+ */
+ lpr_saved = sdramc_readl(LPR);
+ pr_debug("%s: Entering standby...\n", __func__);
+ avr32_pm_enter_standby(SDRAMC_BASE);
+ sdramc_writel(LPR, lpr_saved);
+
+ /* Switch back to regular exception handlers */
+ sysreg_write(EVBA, evba_saved);
+
+ avr32_pm_unmap_sram();
+ break;
+
+ case PM_SUSPEND_MEM:
+ sram = avr32_pm_map_sram();
+
+ /* Switch to in-sram exception handlers */
+ evba_saved = sysreg_read(EVBA);
+ sysreg_write(EVBA, (unsigned long)sram);
+
+ /*
+ * Save the LPR register so that we can re-enable
+ * SDRAM Low Power mode on resume.
+ */
+ lpr_saved = sdramc_readl(LPR);
+ pr_debug("%s: Entering suspend-to-ram...\n", __func__);
+ avr32_pm_enter_str(SDRAMC_BASE);
+ sdramc_writel(LPR, lpr_saved);
+
+ /* Switch back to regular exception handlers */
+ sysreg_write(EVBA, evba_saved);
+
+ avr32_pm_unmap_sram();
+ break;
+
+ case PM_SUSPEND_ON:
+ pr_debug("%s: Entering idle...\n", __func__);
+ cpu_enter_idle();
+ break;
+
+ default:
+ pr_debug("%s: Invalid suspend state %d\n", __func__, state);
+ goto out;
+ }
+
+ pr_debug("%s: wakeup\n", __func__);
+
+out:
+ return 0;
+}
+
+static struct platform_suspend_ops avr32_pm_ops = {
+ .valid = avr32_pm_valid_state,
+ .enter = avr32_pm_enter,
+};
+
+static unsigned long avr32_pm_offset(void *symbol)
+{
+ extern u8 pm_exception[];
+
+ return (unsigned long)symbol - (unsigned long)pm_exception;
+}
+
+static int __init avr32_pm_init(void)
+{
+ extern u8 pm_exception[];
+ extern u8 pm_irq0[];
+ extern u8 pm_standby[];
+ extern u8 pm_suspend_to_ram[];
+ extern u8 pm_sram_end[];
+ void *dst;
+
+ /*
+ * To keep things simple, we depend on not needing more than a
+ * single page.
+ */
+ pm_sram_size = avr32_pm_offset(pm_sram_end);
+ if (pm_sram_size > PAGE_SIZE)
+ goto err;
+
+ pm_sram_start = sram_alloc(pm_sram_size);
+ if (!pm_sram_start)
+ goto err_alloc_sram;
+
+ /* Grab a virtual area we can use later on. */
+ pm_sram_area = get_vm_area(pm_sram_size, VM_IOREMAP);
+ if (!pm_sram_area)
+ goto err_vm_area;
+ pm_sram_area->phys_addr = pm_sram_start;
+
+ local_irq_disable();
+ dst = avr32_pm_map_sram();
+ memcpy(dst, pm_exception, pm_sram_size);
+ flush_dcache_region(dst, pm_sram_size);
+ invalidate_icache_region(dst, pm_sram_size);
+ avr32_pm_unmap_sram();
+ local_irq_enable();
+
+ avr32_pm_enter_standby = dst + avr32_pm_offset(pm_standby);
+ avr32_pm_enter_str = dst + avr32_pm_offset(pm_suspend_to_ram);
+ intc_set_suspend_handler(avr32_pm_offset(pm_irq0));
+
+ suspend_set_ops(&avr32_pm_ops);
+
+ printk("AVR32 AP Power Management enabled\n");
+
+ return 0;
+
+err_vm_area:
+ sram_free(pm_sram_start, pm_sram_size);
+err_alloc_sram:
+err:
+ pr_err("AVR32 Power Management initialization failed\n");
+ return -ENOMEM;
+}
+arch_initcall(avr32_pm_init);
diff --git a/arch/avr32/mach-at32ap/sdramc.h b/arch/avr32/mach-at32ap/sdramc.h
new file mode 100644
index 00000000000..66eeaed4907
--- /dev/null
+++ b/arch/avr32/mach-at32ap/sdramc.h
@@ -0,0 +1,76 @@
+/*
+ * Register definitions for the AT32AP SDRAM Controller
+ *
+ * Copyright (C) 2008 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ */
+
+/* Register offsets */
+#define SDRAMC_MR 0x0000
+#define SDRAMC_TR 0x0004
+#define SDRAMC_CR 0x0008
+#define SDRAMC_HSR 0x000c
+#define SDRAMC_LPR 0x0010
+#define SDRAMC_IER 0x0014
+#define SDRAMC_IDR 0x0018
+#define SDRAMC_IMR 0x001c
+#define SDRAMC_ISR 0x0020
+#define SDRAMC_MDR 0x0024
+
+/* MR - Mode Register */
+#define SDRAMC_MR_MODE_NORMAL ( 0 << 0)
+#define SDRAMC_MR_MODE_NOP ( 1 << 0)
+#define SDRAMC_MR_MODE_BANKS_PRECHARGE ( 2 << 0)
+#define SDRAMC_MR_MODE_LOAD_MODE ( 3 << 0)
+#define SDRAMC_MR_MODE_AUTO_REFRESH ( 4 << 0)
+#define SDRAMC_MR_MODE_EXT_LOAD_MODE ( 5 << 0)
+#define SDRAMC_MR_MODE_POWER_DOWN ( 6 << 0)
+
+/* CR - Configuration Register */
+#define SDRAMC_CR_NC_8_BITS ( 0 << 0)
+#define SDRAMC_CR_NC_9_BITS ( 1 << 0)
+#define SDRAMC_CR_NC_10_BITS ( 2 << 0)
+#define SDRAMC_CR_NC_11_BITS ( 3 << 0)
+#define SDRAMC_CR_NR_11_BITS ( 0 << 2)
+#define SDRAMC_CR_NR_12_BITS ( 1 << 2)
+#define SDRAMC_CR_NR_13_BITS ( 2 << 2)
+#define SDRAMC_CR_NB_2_BANKS ( 0 << 4)
+#define SDRAMC_CR_NB_4_BANKS ( 1 << 4)
+#define SDRAMC_CR_CAS(x) ((x) << 5)
+#define SDRAMC_CR_DBW_32_BITS ( 0 << 7)
+#define SDRAMC_CR_DBW_16_BITS ( 1 << 7)
+#define SDRAMC_CR_TWR(x) ((x) << 8)
+#define SDRAMC_CR_TRC(x) ((x) << 12)
+#define SDRAMC_CR_TRP(x) ((x) << 16)
+#define SDRAMC_CR_TRCD(x) ((x) << 20)
+#define SDRAMC_CR_TRAS(x) ((x) << 24)
+#define SDRAMC_CR_TXSR(x) ((x) << 28)
+
+/* HSR - High Speed Register */
+#define SDRAMC_HSR_DA ( 1 << 0)
+
+/* LPR - Low Power Register */
+#define SDRAMC_LPR_LPCB_INHIBIT ( 0 << 0)
+#define SDRAMC_LPR_LPCB_SELF_RFR ( 1 << 0)
+#define SDRAMC_LPR_LPCB_PDOWN ( 2 << 0)
+#define SDRAMC_LPR_LPCB_DEEP_PDOWN ( 3 << 0)
+#define SDRAMC_LPR_PASR(x) ((x) << 4)
+#define SDRAMC_LPR_TCSR(x) ((x) << 8)
+#define SDRAMC_LPR_DS(x) ((x) << 10)
+#define SDRAMC_LPR_TIMEOUT(x) ((x) << 12)
+
+/* IER/IDR/IMR/ISR - Interrupt Enable/Disable/Mask/Status Register */
+#define SDRAMC_ISR_RES ( 1 << 0)
+
+/* MDR - Memory Device Register */
+#define SDRAMC_MDR_MD_SDRAM ( 0 << 0)
+#define SDRAMC_MDR_MD_LOW_PWR_SDRAM ( 1 << 0)
+
+/* Register access macros */
+#define sdramc_readl(reg) \
+ __raw_readl((void __iomem __force *)SDRAMC_BASE + SDRAMC_##reg)
+#define sdramc_writel(reg, value) \
+ __raw_writel(value, (void __iomem __force *)SDRAMC_BASE + SDRAMC_##reg)
diff --git a/arch/avr32/mm/init.c b/arch/avr32/mm/init.c
index 0e64ddc45e3..3f90a87527b 100644
--- a/arch/avr32/mm/init.c
+++ b/arch/avr32/mm/init.c
@@ -11,6 +11,7 @@
#include <linux/swap.h>
#include <linux/init.h>
#include <linux/mmzone.h>
+#include <linux/module.h>
#include <linux/bootmem.h>
#include <linux/pagemap.h>
#include <linux/nodemask.h>
@@ -23,11 +24,14 @@
#include <asm/setup.h>
#include <asm/sections.h>
+#define __page_aligned __attribute__((section(".data.page_aligned")))
+
DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
-pgd_t swapper_pg_dir[PTRS_PER_PGD];
+pgd_t swapper_pg_dir[PTRS_PER_PGD] __page_aligned;
struct page *empty_zero_page;
+EXPORT_SYMBOL(empty_zero_page);
/*
* Cache of MMU context last used.
@@ -106,19 +110,9 @@ void __init paging_init(void)
zero_page = alloc_bootmem_low_pages_node(NODE_DATA(0),
PAGE_SIZE);
- {
- pgd_t *pg_dir;
- int i;
-
- pg_dir = swapper_pg_dir;
- sysreg_write(PTBR, (unsigned long)pg_dir);
-
- for (i = 0; i < PTRS_PER_PGD; i++)
- pgd_val(pg_dir[i]) = 0;
-
- enable_mmu();
- printk ("CPU: Paging enabled\n");
- }
+ sysreg_write(PTBR, (unsigned long)swapper_pg_dir);
+ enable_mmu();
+ printk ("CPU: Paging enabled\n");
for_each_online_node(nid) {
pg_data_t *pgdat = NODE_DATA(nid);
diff --git a/arch/avr32/mm/tlb.c b/arch/avr32/mm/tlb.c
index cd12edbea9f..06677be98ff 100644
--- a/arch/avr32/mm/tlb.c
+++ b/arch/avr32/mm/tlb.c
@@ -11,21 +11,21 @@
#include <asm/mmu_context.h>
-#define _TLBEHI_I 0x100
+/* TODO: Get the correct number from the CONFIG1 system register */
+#define NR_TLB_ENTRIES 32
-void show_dtlb_entry(unsigned int index)
+static void show_dtlb_entry(unsigned int index)
{
- unsigned int tlbehi, tlbehi_save, tlbelo, mmucr, mmucr_save;
+ u32 tlbehi, tlbehi_save, tlbelo, mmucr, mmucr_save;
unsigned long flags;
local_irq_save(flags);
mmucr_save = sysreg_read(MMUCR);
tlbehi_save = sysreg_read(TLBEHI);
- mmucr = mmucr_save & 0x13;
- mmucr |= index << 14;
+ mmucr = SYSREG_BFINS(DRP, index, mmucr_save);
sysreg_write(MMUCR, mmucr);
- asm volatile("tlbr" : : : "memory");
+ __builtin_tlbr();
cpu_sync_pipeline();
tlbehi = sysreg_read(TLBEHI);
@@ -33,15 +33,17 @@ void show_dtlb_entry(unsigned int index)
printk("%2u: %c %c %02x %05x %05x %o %o %c %c %c %c\n",
index,
- (tlbehi & 0x200)?'1':'0',
- (tlbelo & 0x100)?'1':'0',
- (tlbehi & 0xff),
- (tlbehi >> 12), (tlbelo >> 12),
- (tlbelo >> 4) & 7, (tlbelo >> 2) & 3,
- (tlbelo & 0x200)?'1':'0',
- (tlbelo & 0x080)?'1':'0',
- (tlbelo & 0x001)?'1':'0',
- (tlbelo & 0x002)?'1':'0');
+ SYSREG_BFEXT(TLBEHI_V, tlbehi) ? '1' : '0',
+ SYSREG_BFEXT(G, tlbelo) ? '1' : '0',
+ SYSREG_BFEXT(ASID, tlbehi),
+ SYSREG_BFEXT(VPN, tlbehi) >> 2,
+ SYSREG_BFEXT(PFN, tlbelo) >> 2,
+ SYSREG_BFEXT(AP, tlbelo),
+ SYSREG_BFEXT(SZ, tlbelo),
+ SYSREG_BFEXT(TLBELO_C, tlbelo) ? 'C' : ' ',
+ SYSREG_BFEXT(B, tlbelo) ? 'B' : ' ',
+ SYSREG_BFEXT(W, tlbelo) ? 'W' : ' ',
+ SYSREG_BFEXT(TLBELO_D, tlbelo) ? 'D' : ' ');
sysreg_write(MMUCR, mmucr_save);
sysreg_write(TLBEHI, tlbehi_save);
@@ -54,29 +56,33 @@ void dump_dtlb(void)
unsigned int i;
printk("ID V G ASID VPN PFN AP SZ C B W D\n");
- for (i = 0; i < 32; i++)
+ for (i = 0; i < NR_TLB_ENTRIES; i++)
show_dtlb_entry(i);
}
-static unsigned long last_mmucr;
-
-static inline void set_replacement_pointer(unsigned shift)
+static void update_dtlb(unsigned long address, pte_t pte)
{
- unsigned long mmucr, mmucr_save;
+ u32 tlbehi;
+ u32 mmucr;
- mmucr = mmucr_save = sysreg_read(MMUCR);
+ /*
+ * We're not changing the ASID here, so no need to flush the
+ * pipeline.
+ */
+ tlbehi = sysreg_read(TLBEHI);
+ tlbehi = SYSREG_BF(ASID, SYSREG_BFEXT(ASID, tlbehi));
+ tlbehi |= address & MMU_VPN_MASK;
+ tlbehi |= SYSREG_BIT(TLBEHI_V);
+ sysreg_write(TLBEHI, tlbehi);
/* Does this mapping already exist? */
- __asm__ __volatile__(
- " tlbs\n"
- " mfsr %0, %1"
- : "=r"(mmucr)
- : "i"(SYSREG_MMUCR));
+ __builtin_tlbs();
+ mmucr = sysreg_read(MMUCR);
if (mmucr & SYSREG_BIT(MMUCR_N)) {
/* Not found -- pick a not-recently-accessed entry */
- unsigned long rp;
- unsigned long tlbar = sysreg_read(TLBARLO);
+ unsigned int rp;
+ u32 tlbar = sysreg_read(TLBARLO);
rp = 32 - fls(tlbar);
if (rp == 32) {
@@ -84,30 +90,14 @@ static inline void set_replacement_pointer(unsigned shift)
sysreg_write(TLBARLO, -1L);
}
- mmucr &= 0x13;
- mmucr |= (rp << shift);
-
+ mmucr = SYSREG_BFINS(DRP, rp, mmucr);
sysreg_write(MMUCR, mmucr);
}
- last_mmucr = mmucr;
-}
-
-static void update_dtlb(unsigned long address, pte_t pte, unsigned long asid)
-{
- unsigned long vpn;
-
- vpn = (address & MMU_VPN_MASK) | _TLBEHI_VALID | asid;
- sysreg_write(TLBEHI, vpn);
- cpu_sync_pipeline();
-
- set_replacement_pointer(14);
-
sysreg_write(TLBELO, pte_val(pte) & _PAGE_FLAGS_HARDWARE_MASK);
/* Let's go */
- asm volatile("nop\n\ttlbw" : : : "memory");
- cpu_sync_pipeline();
+ __builtin_tlbw();
}
void update_mmu_cache(struct vm_area_struct *vma,
@@ -120,39 +110,40 @@ void update_mmu_cache(struct vm_area_struct *vma,
return;
local_irq_save(flags);
- update_dtlb(address, pte, get_asid());
+ update_dtlb(address, pte);
local_irq_restore(flags);
}
-void __flush_tlb_page(unsigned long asid, unsigned long page)
+static void __flush_tlb_page(unsigned long asid, unsigned long page)
{
- unsigned long mmucr, tlbehi;
+ u32 mmucr, tlbehi;
- page |= asid;
- sysreg_write(TLBEHI, page);
- cpu_sync_pipeline();
- asm volatile("tlbs");
+ /*
+ * Caller is responsible for masking out non-PFN bits in page
+ * and changing the current ASID if necessary. This means that
+ * we don't need to flush the pipeline after writing TLBEHI.
+ */
+ tlbehi = page | asid;
+ sysreg_write(TLBEHI, tlbehi);
+
+ __builtin_tlbs();
mmucr = sysreg_read(MMUCR);
if (!(mmucr & SYSREG_BIT(MMUCR_N))) {
- unsigned long tlbarlo;
- unsigned long entry;
+ unsigned int entry;
+ u32 tlbarlo;
/* Clear the "valid" bit */
- tlbehi = sysreg_read(TLBEHI);
- tlbehi &= ~_TLBEHI_VALID;
sysreg_write(TLBEHI, tlbehi);
- cpu_sync_pipeline();
/* mark the entry as "not accessed" */
- entry = (mmucr >> 14) & 0x3f;
+ entry = SYSREG_BFEXT(DRP, mmucr);
tlbarlo = sysreg_read(TLBARLO);
- tlbarlo |= (0x80000000 >> entry);
+ tlbarlo |= (0x80000000UL >> entry);
sysreg_write(TLBARLO, tlbarlo);
/* update the entry with valid bit clear */
- asm volatile("tlbw");
- cpu_sync_pipeline();
+ __builtin_tlbw();
}
}
@@ -190,17 +181,22 @@ void flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
local_irq_save(flags);
size = (end - start + (PAGE_SIZE - 1)) >> PAGE_SHIFT;
+
if (size > (MMU_DTLB_ENTRIES / 4)) { /* Too many entries to flush */
mm->context = NO_CONTEXT;
if (mm == current->mm)
activate_context(mm);
} else {
- unsigned long asid = mm->context & MMU_CONTEXT_ASID_MASK;
- unsigned long saved_asid = MMU_NO_ASID;
+ unsigned long asid;
+ unsigned long saved_asid;
+
+ asid = mm->context & MMU_CONTEXT_ASID_MASK;
+ saved_asid = MMU_NO_ASID;
start &= PAGE_MASK;
end += (PAGE_SIZE - 1);
end &= PAGE_MASK;
+
if (mm != current->mm) {
saved_asid = get_asid();
set_asid(asid);
@@ -218,33 +214,34 @@ void flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
}
/*
- * TODO: If this is only called for addresses > TASK_SIZE, we can probably
- * skip the ASID stuff and just use the Global bit...
+ * This function depends on the pages to be flushed having the G
+ * (global) bit set in their pte. This is true for all
+ * PAGE_KERNEL(_RO) pages.
*/
void flush_tlb_kernel_range(unsigned long start, unsigned long end)
{
unsigned long flags;
int size;
- local_irq_save(flags);
size = (end - start + (PAGE_SIZE - 1)) >> PAGE_SHIFT;
if (size > (MMU_DTLB_ENTRIES / 4)) { /* Too many entries to flush */
flush_tlb_all();
} else {
- unsigned long asid = init_mm.context & MMU_CONTEXT_ASID_MASK;
- unsigned long saved_asid = get_asid();
+ unsigned long asid;
+
+ local_irq_save(flags);
+ asid = get_asid();
start &= PAGE_MASK;
end += (PAGE_SIZE - 1);
end &= PAGE_MASK;
- set_asid(asid);
+
while (start < end) {
__flush_tlb_page(asid, start);
start += PAGE_SIZE;
}
- set_asid(saved_asid);
+ local_irq_restore(flags);
}
- local_irq_restore(flags);
}
void flush_tlb_mm(struct mm_struct *mm)
@@ -280,7 +277,7 @@ static void *tlb_start(struct seq_file *tlb, loff_t *pos)
{
static unsigned long tlb_index;
- if (*pos >= 32)
+ if (*pos >= NR_TLB_ENTRIES)
return NULL;
tlb_index = 0;
@@ -291,7 +288,7 @@ static void *tlb_next(struct seq_file *tlb, void *v, loff_t *pos)
{
unsigned long *index = v;
- if (*index >= 31)
+ if (*index >= NR_TLB_ENTRIES - 1)
return NULL;
++*pos;
@@ -313,16 +310,16 @@ static int tlb_show(struct seq_file *tlb, void *v)
if (*index == 0)
seq_puts(tlb, "ID V G ASID VPN PFN AP SZ C B W D\n");
- BUG_ON(*index >= 32);
+ BUG_ON(*index >= NR_TLB_ENTRIES);
local_irq_save(flags);
mmucr_save = sysreg_read(MMUCR);
tlbehi_save = sysreg_read(TLBEHI);
- mmucr = mmucr_save & 0x13;
- mmucr |= *index << 14;
+ mmucr = SYSREG_BFINS(DRP, *index, mmucr_save);
sysreg_write(MMUCR, mmucr);
- asm volatile("tlbr" : : : "memory");
+ /* TLBR might change the ASID */
+ __builtin_tlbr();
cpu_sync_pipeline();
tlbehi = sysreg_read(TLBEHI);
@@ -334,16 +331,18 @@ static int tlb_show(struct seq_file *tlb, void *v)
local_irq_restore(flags);
seq_printf(tlb, "%2lu: %c %c %02x %05x %05x %o %o %c %c %c %c\n",
- *index,
- (tlbehi & 0x200)?'1':'0',
- (tlbelo & 0x100)?'1':'0',
- (tlbehi & 0xff),
- (tlbehi >> 12), (tlbelo >> 12),
- (tlbelo >> 4) & 7, (tlbelo >> 2) & 3,
- (tlbelo & 0x200)?'1':'0',
- (tlbelo & 0x080)?'1':'0',
- (tlbelo & 0x001)?'1':'0',
- (tlbelo & 0x002)?'1':'0');
+ *index,
+ SYSREG_BFEXT(TLBEHI_V, tlbehi) ? '1' : '0',
+ SYSREG_BFEXT(G, tlbelo) ? '1' : '0',
+ SYSREG_BFEXT(ASID, tlbehi),
+ SYSREG_BFEXT(VPN, tlbehi) >> 2,
+ SYSREG_BFEXT(PFN, tlbelo) >> 2,
+ SYSREG_BFEXT(AP, tlbelo),
+ SYSREG_BFEXT(SZ, tlbelo),
+ SYSREG_BFEXT(TLBELO_C, tlbelo) ? '1' : '0',
+ SYSREG_BFEXT(B, tlbelo) ? '1' : '0',
+ SYSREG_BFEXT(W, tlbelo) ? '1' : '0',
+ SYSREG_BFEXT(TLBELO_D, tlbelo) ? '1' : '0');
return 0;
}
diff --git a/arch/blackfin/mach-bf561/coreb.c b/arch/blackfin/mach-bf561/coreb.c
index 1b44e9e6dc3..8598098c084 100644
--- a/arch/blackfin/mach-bf561/coreb.c
+++ b/arch/blackfin/mach-bf561/coreb.c
@@ -194,6 +194,7 @@ static loff_t coreb_lseek(struct file *file, loff_t offset, int origin)
return ret;
}
+/* No BKL needed here */
static int coreb_open(struct inode *inode, struct file *file)
{
spin_lock_irq(&coreb_lock);
diff --git a/arch/cris/arch-v10/drivers/eeprom.c b/arch/cris/arch-v10/drivers/eeprom.c
index f1cac9dc75b..1f2ae909d3e 100644
--- a/arch/cris/arch-v10/drivers/eeprom.c
+++ b/arch/cris/arch-v10/drivers/eeprom.c
@@ -28,6 +28,7 @@
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
+#include <linux/smp_lock.h>
#include <linux/wait.h>
#include <asm/uaccess.h>
#include "i2c.h"
@@ -375,10 +376,9 @@ int __init eeprom_init(void)
}
/* Opens the device. */
-
static int eeprom_open(struct inode * inode, struct file * file)
{
-
+ cycle_kernel_lock();
if(iminor(inode) != EEPROM_MINOR_NR)
return -ENXIO;
if(imajor(inode) != EEPROM_MAJOR_NR)
diff --git a/arch/cris/arch-v10/drivers/gpio.c b/arch/cris/arch-v10/drivers/gpio.c
index 68a998bd106..86048e697eb 100644
--- a/arch/cris/arch-v10/drivers/gpio.c
+++ b/arch/cris/arch-v10/drivers/gpio.c
@@ -16,6 +16,7 @@
#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/fs.h>
+#include <linux/smp_lock.h>
#include <linux/string.h>
#include <linux/poll.h>
#include <linux/init.h>
@@ -323,6 +324,7 @@ gpio_open(struct inode *inode, struct file *filp)
if (!priv)
return -ENOMEM;
+ lock_kernel();
priv->minor = p;
/* initialize the io/alarm struct */
@@ -357,6 +359,7 @@ gpio_open(struct inode *inode, struct file *filp)
alarmlist = priv;
spin_unlock_irqrestore(&gpio_lock, flags);
+ unlock_kernel();
return 0;
}
diff --git a/arch/cris/arch-v10/drivers/i2c.c b/arch/cris/arch-v10/drivers/i2c.c
index d6d22067d0c..2797e67ce4f 100644
--- a/arch/cris/arch-v10/drivers/i2c.c
+++ b/arch/cris/arch-v10/drivers/i2c.c
@@ -15,6 +15,7 @@
#include <linux/module.h>
#include <linux/sched.h>
#include <linux/slab.h>
+#include <linux/smp_lock.h>
#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/fs.h>
@@ -566,6 +567,7 @@ i2c_readreg(unsigned char theSlave, unsigned char theReg)
static int
i2c_open(struct inode *inode, struct file *filp)
{
+ cycle_kernel_lock();
return 0;
}
diff --git a/arch/cris/arch-v10/drivers/sync_serial.c b/arch/cris/arch-v10/drivers/sync_serial.c
index 069546e342c..91fea623c7c 100644
--- a/arch/cris/arch-v10/drivers/sync_serial.c
+++ b/arch/cris/arch-v10/drivers/sync_serial.c
@@ -21,6 +21,7 @@
#include <linux/interrupt.h>
#include <linux/poll.h>
#include <linux/init.h>
+#include <linux/smp_lock.h>
#include <linux/timer.h>
#include <asm/irq.h>
#include <asm/dma.h>
@@ -443,18 +444,21 @@ static int sync_serial_open(struct inode *inode, struct file *file)
int dev = MINOR(inode->i_rdev);
struct sync_port *port;
int mode;
+ int err = -EBUSY;
+ lock_kernel();
DEBUG(printk(KERN_DEBUG "Open sync serial port %d\n", dev));
if (dev < 0 || dev >= NUMBER_OF_PORTS || !ports[dev].enabled) {
DEBUG(printk(KERN_DEBUG "Invalid minor %d\n", dev));
- return -ENODEV;
+ err = -ENODEV;
+ goto out;
}
port = &ports[dev];
/* Allow open this device twice (assuming one reader and one writer) */
if (port->busy == 2) {
DEBUG(printk(KERN_DEBUG "Device is busy.. \n"));
- return -EBUSY;
+ goto out;
}
if (port->init_irqs) {
if (port->use_dma) {
@@ -465,14 +469,14 @@ static int sync_serial_open(struct inode *inode, struct file *file)
&ports[0])) {
printk(KERN_CRIT "Can't alloc "
"sync serial port 1 IRQ");
- return -EBUSY;
+ goto out;
} else if (request_irq(25, rx_interrupt, 0,
"synchronous serial 1 dma rx",
&ports[0])) {
free_irq(24, &port[0]);
printk(KERN_CRIT "Can't alloc "
"sync serial port 1 IRQ");
- return -EBUSY;
+ goto out;
} else if (cris_request_dma(8,
"synchronous serial 1 dma tr",
DMA_VERBOSE_ON_ERROR,
@@ -482,7 +486,7 @@ static int sync_serial_open(struct inode *inode, struct file *file)
printk(KERN_CRIT "Can't alloc "
"sync serial port 1 "
"TX DMA channel");
- return -EBUSY;
+ goto out;
} else if (cris_request_dma(9,
"synchronous serial 1 dma rec",
DMA_VERBOSE_ON_ERROR,
@@ -493,7 +497,7 @@ static int sync_serial_open(struct inode *inode, struct file *file)
printk(KERN_CRIT "Can't alloc "
"sync serial port 1 "
"RX DMA channel");
- return -EBUSY;
+ goto out;
}
#endif
RESET_DMA(8); WAIT_DMA(8);
@@ -520,14 +524,14 @@ static int sync_serial_open(struct inode *inode, struct file *file)
&ports[1])) {
printk(KERN_CRIT "Can't alloc "
"sync serial port 3 IRQ");
- return -EBUSY;
+ goto out;
} else if (request_irq(21, rx_interrupt, 0,
"synchronous serial 3 dma rx",
&ports[1])) {
free_irq(20, &ports[1]);
printk(KERN_CRIT "Can't alloc "
"sync serial port 3 IRQ");
- return -EBUSY;
+ goto out;
} else if (cris_request_dma(4,
"synchronous serial 3 dma tr",
DMA_VERBOSE_ON_ERROR,
@@ -537,7 +541,7 @@ static int sync_serial_open(struct inode *inode, struct file *file)
printk(KERN_CRIT "Can't alloc "
"sync serial port 3 "
"TX DMA channel");
- return -EBUSY;
+ goto out;
} else if (cris_request_dma(5,
"synchronous serial 3 dma rec",
DMA_VERBOSE_ON_ERROR,
@@ -548,7 +552,7 @@ static int sync_serial_open(struct inode *inode, struct file *file)
printk(KERN_CRIT "Can't alloc "
"sync serial port 3 "
"RX DMA channel");
- return -EBUSY;
+ goto out;
}
#endif
RESET_DMA(4); WAIT_DMA(4);
@@ -581,7 +585,7 @@ static int sync_serial_open(struct inode *inode, struct file *file)
&ports[0])) {
printk(KERN_CRIT "Can't alloc "
"sync serial manual irq");
- return -EBUSY;
+ goto out;
}
} else if (port == &ports[1]) {
if (request_irq(8,
@@ -591,7 +595,7 @@ static int sync_serial_open(struct inode *inode, struct file *file)
&ports[1])) {
printk(KERN_CRIT "Can't alloc "
"sync serial manual irq");
- return -EBUSY;
+ goto out;
}
}
port->init_irqs = 0;
@@ -620,7 +624,11 @@ static int sync_serial_open(struct inode *inode, struct file *file)
*R_IRQ_MASK1_SET = 1 << port->data_avail_bit;
DEBUG(printk(KERN_DEBUG "sser%d rec started\n", dev));
}
- return 0;
+ ret = 0;
+
+out:
+ unlock_kernel();
+ return ret;
}
static int sync_serial_release(struct inode *inode, struct file *file)
diff --git a/arch/cris/arch-v32/drivers/cryptocop.c b/arch/cris/arch-v32/drivers/cryptocop.c
index 9fb58202be9..67c61ea8681 100644
--- a/arch/cris/arch-v32/drivers/cryptocop.c
+++ b/arch/cris/arch-v32/drivers/cryptocop.c
@@ -11,6 +11,7 @@
#include <linux/string.h>
#include <linux/fs.h>
#include <linux/mm.h>
+#include <linux/smp_lock.h>
#include <linux/spinlock.h>
#include <linux/stddef.h>
@@ -2302,11 +2303,11 @@ static int cryptocop_job_setup(struct cryptocop_prio_job **pj, struct cryptocop_
return 0;
}
-
static int cryptocop_open(struct inode *inode, struct file *filp)
{
int p = iminor(inode);
+ cycle_kernel_lock();
if (p != CRYPTOCOP_MINOR) return -EINVAL;
filp->private_data = NULL;
diff --git a/arch/cris/arch-v32/drivers/i2c.c b/arch/cris/arch-v32/drivers/i2c.c
index c2fb7a5c139..179e7b80433 100644
--- a/arch/cris/arch-v32/drivers/i2c.c
+++ b/arch/cris/arch-v32/drivers/i2c.c
@@ -33,6 +33,7 @@
#include <linux/fs.h>
#include <linux/string.h>
#include <linux/init.h>
+#include <linux/smp_lock.h>
#include <asm/etraxi2c.h>
@@ -636,6 +637,7 @@ i2c_readreg(unsigned char theSlave, unsigned char theReg)
static int
i2c_open(struct inode *inode, struct file *filp)
{
+ cycle_kernel_lock();
return 0;
}
diff --git a/arch/cris/arch-v32/drivers/mach-a3/gpio.c b/arch/cris/arch-v32/drivers/mach-a3/gpio.c
index de107dad9f4..ef98608e506 100644
--- a/arch/cris/arch-v32/drivers/mach-a3/gpio.c
+++ b/arch/cris/arch-v32/drivers/mach-a3/gpio.c
@@ -23,6 +23,7 @@
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/spinlock.h>
+#include <linux/smp_lock.h>
#include <asm/etraxgpio.h>
#include <hwregs/reg_map.h>
@@ -390,6 +391,8 @@ static int gpio_open(struct inode *inode, struct file *filp)
if (!priv)
return -ENOMEM;
+
+ lock_kernel();
memset(priv, 0, sizeof(*priv));
priv->minor = p;
@@ -412,6 +415,7 @@ static int gpio_open(struct inode *inode, struct file *filp)
spin_unlock_irq(&gpio_lock);
}
+ unlock_kernel();
return 0;
}
diff --git a/arch/cris/arch-v32/drivers/mach-fs/gpio.c b/arch/cris/arch-v32/drivers/mach-fs/gpio.c
index 7863fd4efc2..fe1fde89388 100644
--- a/arch/cris/arch-v32/drivers/mach-fs/gpio.c
+++ b/arch/cris/arch-v32/drivers/mach-fs/gpio.c
@@ -22,6 +22,7 @@
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/spinlock.h>
+#include <linux/smp_lock.h>
#include <asm/etraxgpio.h>
#include <hwregs/reg_map.h>
@@ -426,9 +427,10 @@ gpio_open(struct inode *inode, struct file *filp)
return -EINVAL;
priv = kmalloc(sizeof(struct gpio_private), GFP_KERNEL);
-
if (!priv)
return -ENOMEM;
+
+ lock_kernel();
memset(priv, 0, sizeof(*priv));
priv->minor = p;
@@ -449,6 +451,7 @@ gpio_open(struct inode *inode, struct file *filp)
alarmlist = priv;
spin_unlock_irq(&alarm_lock);
+ unlock_kernel();
return 0;
}
diff --git a/arch/cris/arch-v32/drivers/sync_serial.c b/arch/cris/arch-v32/drivers/sync_serial.c
index 47c377df6fb..d2a0fbf5341 100644
--- a/arch/cris/arch-v32/drivers/sync_serial.c
+++ b/arch/cris/arch-v32/drivers/sync_serial.c
@@ -14,6 +14,7 @@
#include <linux/major.h>
#include <linux/sched.h>
#include <linux/slab.h>
+#include <linux/smp_lock.h>
#include <linux/interrupt.h>
#include <linux/poll.h>
#include <linux/init.h>
@@ -429,23 +430,26 @@ static inline int sync_data_avail_to_end(struct sync_port *port)
static int sync_serial_open(struct inode *inode, struct file *file)
{
int dev = iminor(inode);
+ int ret = -EBUSY;
sync_port *port;
reg_dma_rw_cfg cfg = {.en = regk_dma_yes};
reg_dma_rw_intr_mask intr_mask = {.data = regk_dma_yes};
+ lock_kernel();
DEBUG(printk(KERN_DEBUG "Open sync serial port %d\n", dev));
if (dev < 0 || dev >= NBR_PORTS || !ports[dev].enabled)
{
DEBUG(printk(KERN_DEBUG "Invalid minor %d\n", dev));
- return -ENODEV;
+ ret = -ENODEV;
+ goto out;
}
port = &ports[dev];
/* Allow open this device twice (assuming one reader and one writer) */
if (port->busy == 2)
{
DEBUG(printk(KERN_DEBUG "Device is busy.. \n"));
- return -EBUSY;
+ goto out;
}
@@ -459,7 +463,7 @@ static int sync_serial_open(struct inode *inode, struct file *file)
"synchronous serial 0 dma tr",
&ports[0])) {
printk(KERN_CRIT "Can't allocate sync serial port 0 IRQ");
- return -EBUSY;
+ goto out;
} else if (request_irq(DMA_IN_INTR_VECT,
rx_interrupt,
0,
@@ -467,7 +471,7 @@ static int sync_serial_open(struct inode *inode, struct file *file)
&ports[0])) {
free_irq(DMA_OUT_INTR_VECT, &port[0]);
printk(KERN_CRIT "Can't allocate sync serial port 0 IRQ");
- return -EBUSY;
+ goto out;
} else if (crisv32_request_dma(OUT_DMA_NBR,
"synchronous serial 0 dma tr",
DMA_VERBOSE_ON_ERROR,
@@ -476,7 +480,7 @@ static int sync_serial_open(struct inode *inode, struct file *file)
free_irq(DMA_OUT_INTR_VECT, &port[0]);
free_irq(DMA_IN_INTR_VECT, &port[0]);
printk(KERN_CRIT "Can't allocate sync serial port 0 TX DMA channel");
- return -EBUSY;
+ goto out;
} else if (crisv32_request_dma(IN_DMA_NBR,
"synchronous serial 0 dma rec",
DMA_VERBOSE_ON_ERROR,
@@ -486,7 +490,7 @@ static int sync_serial_open(struct inode *inode, struct file *file)
free_irq(DMA_OUT_INTR_VECT, &port[0]);
free_irq(DMA_IN_INTR_VECT, &port[0]);
printk(KERN_CRIT "Can't allocate sync serial port 1 RX DMA channel");
- return -EBUSY;
+ goto out;
}
#endif
}
@@ -499,7 +503,7 @@ static int sync_serial_open(struct inode *inode, struct file *file)
"synchronous serial 1 dma tr",
&ports[1])) {
printk(KERN_CRIT "Can't allocate sync serial port 1 IRQ");
- return -EBUSY;
+ goto out;
} else if (request_irq(DMA7_INTR_VECT,
rx_interrupt,
0,
@@ -507,7 +511,7 @@ static int sync_serial_open(struct inode *inode, struct file *file)
&ports[1])) {
free_irq(DMA6_INTR_VECT, &ports[1]);
printk(KERN_CRIT "Can't allocate sync serial port 3 IRQ");
- return -EBUSY;
+ goto out;
} else if (crisv32_request_dma(
SYNC_SER1_TX_DMA_NBR,
"synchronous serial 1 dma tr",
@@ -517,7 +521,7 @@ static int sync_serial_open(struct inode *inode, struct file *file)
free_irq(DMA6_INTR_VECT, &ports[1]);
free_irq(DMA7_INTR_VECT, &ports[1]);
printk(KERN_CRIT "Can't allocate sync serial port 3 TX DMA channel");
- return -EBUSY;
+ goto out;
} else if (crisv32_request_dma(
SYNC_SER1_RX_DMA_NBR,
"synchronous serial 3 dma rec",
@@ -528,7 +532,7 @@ static int sync_serial_open(struct inode *inode, struct file *file)
free_irq(DMA6_INTR_VECT, &ports[1]);
free_irq(DMA7_INTR_VECT, &ports[1]);
printk(KERN_CRIT "Can't allocate sync serial port 3 RX DMA channel");
- return -EBUSY;
+ goto out;
}
#endif
}
@@ -554,7 +558,7 @@ static int sync_serial_open(struct inode *inode, struct file *file)
"synchronous serial manual irq",
&ports[0])) {
printk("Can't allocate sync serial manual irq");
- return -EBUSY;
+ goto out;
}
}
#ifdef CONFIG_ETRAXFS
@@ -565,7 +569,7 @@ static int sync_serial_open(struct inode *inode, struct file *file)
"synchronous serial manual irq",
&ports[1])) {
printk(KERN_CRIT "Can't allocate sync serial manual irq");
- return -EBUSY;
+ goto out;
}
}
#endif
@@ -578,7 +582,10 @@ static int sync_serial_open(struct inode *inode, struct file *file)
} /* port->init_irqs */
port->busy++;
- return 0;
+ ret = 0;
+out:
+ unlock_kernel();
+ return ret;
}
static int sync_serial_release(struct inode *inode, struct file *file)
diff --git a/arch/cris/arch-v32/kernel/smp.c b/arch/cris/arch-v32/kernel/smp.c
index a9c3334e46c..952a24b2f5a 100644
--- a/arch/cris/arch-v32/kernel/smp.c
+++ b/arch/cris/arch-v32/kernel/smp.c
@@ -194,7 +194,7 @@ void stop_this_cpu(void* dummy)
/* Other calls */
void smp_send_stop(void)
{
- smp_call_function(stop_this_cpu, NULL, 1, 0);
+ smp_call_function(stop_this_cpu, NULL, 0);
}
int setup_profiling_timer(unsigned int multiplier)
@@ -316,8 +316,7 @@ int send_ipi(int vector, int wait, cpumask_t cpu_mask)
* You must not call this function with disabled interrupts or from a
* hardware interrupt handler or from a bottom half handler.
*/
-int smp_call_function(void (*func)(void *info), void *info,
- int nonatomic, int wait)
+int smp_call_function(void (*func)(void *info), void *info, int wait)
{
cpumask_t cpu_mask = CPU_MASK_ALL;
struct call_data_struct data;
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 16be41446b5..18bcc10903b 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -303,6 +303,7 @@ config VIRT_CPU_ACCOUNTING
config SMP
bool "Symmetric multi-processing support"
+ select USE_GENERIC_SMP_HELPERS
help
This enables support for systems with more than one CPU. If you have
a system with only one CPU, say N. If you have a system with more
diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c
index 705176b434b..7dd96c12717 100644
--- a/arch/ia64/kernel/mca.c
+++ b/arch/ia64/kernel/mca.c
@@ -707,7 +707,7 @@ ia64_mca_cmc_vector_enable (void *dummy)
static void
ia64_mca_cmc_vector_disable_keventd(struct work_struct *unused)
{
- on_each_cpu(ia64_mca_cmc_vector_disable, NULL, 1, 0);
+ on_each_cpu(ia64_mca_cmc_vector_disable, NULL, 0);
}
/*
@@ -719,7 +719,7 @@ ia64_mca_cmc_vector_disable_keventd(struct work_struct *unused)
static void
ia64_mca_cmc_vector_enable_keventd(struct work_struct *unused)
{
- on_each_cpu(ia64_mca_cmc_vector_enable, NULL, 1, 0);
+ on_each_cpu(ia64_mca_cmc_vector_enable, NULL, 0);
}
/*
@@ -1881,7 +1881,7 @@ static int __cpuinit mca_cpu_callback(struct notifier_block *nfb,
case CPU_ONLINE:
case CPU_ONLINE_FROZEN:
smp_call_function_single(hotcpu, ia64_mca_cmc_vector_adjust,
- NULL, 1, 0);
+ NULL, 0);
break;
}
return NOTIFY_OK;
diff --git a/arch/ia64/kernel/palinfo.c b/arch/ia64/kernel/palinfo.c
index 9dc00f7fe10..e5c57f413ca 100644
--- a/arch/ia64/kernel/palinfo.c
+++ b/arch/ia64/kernel/palinfo.c
@@ -921,7 +921,7 @@ int palinfo_handle_smp(pal_func_cpu_u_t *f, char *page)
/* will send IPI to other CPU and wait for completion of remote call */
- if ((ret=smp_call_function_single(f->req_cpu, palinfo_smp_call, &ptr, 0, 1))) {
+ if ((ret=smp_call_function_single(f->req_cpu, palinfo_smp_call, &ptr, 1))) {
printk(KERN_ERR "palinfo: remote CPU call from %d to %d on function %d: "
"error %d\n", smp_processor_id(), f->req_cpu, f->func_id, ret);
return 0;
diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index 7714a97b010..19d4493c619 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -1820,7 +1820,7 @@ pfm_syswide_cleanup_other_cpu(pfm_context_t *ctx)
int ret;
DPRINT(("calling CPU%d for cleanup\n", ctx->ctx_cpu));
- ret = smp_call_function_single(ctx->ctx_cpu, pfm_syswide_force_stop, ctx, 0, 1);
+ ret = smp_call_function_single(ctx->ctx_cpu, pfm_syswide_force_stop, ctx, 1);
DPRINT(("called CPU%d for cleanup ret=%d\n", ctx->ctx_cpu, ret));
}
#endif /* CONFIG_SMP */
@@ -6508,7 +6508,7 @@ pfm_install_alt_pmu_interrupt(pfm_intr_handler_desc_t *hdl)
}
/* save the current system wide pmu states */
- ret = on_each_cpu(pfm_alt_save_pmu_state, NULL, 0, 1);
+ ret = on_each_cpu(pfm_alt_save_pmu_state, NULL, 1);
if (ret) {
DPRINT(("on_each_cpu() failed: %d\n", ret));
goto cleanup_reserve;
@@ -6553,7 +6553,7 @@ pfm_remove_alt_pmu_interrupt(pfm_intr_handler_desc_t *hdl)
pfm_alt_intr_handler = NULL;
- ret = on_each_cpu(pfm_alt_restore_pmu_state, NULL, 0, 1);
+ ret = on_each_cpu(pfm_alt_restore_pmu_state, NULL, 1);
if (ret) {
DPRINT(("on_each_cpu() failed: %d\n", ret));
}
diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c
index a3a34b4eb03..fabaf08d9a6 100644
--- a/arch/ia64/kernel/process.c
+++ b/arch/ia64/kernel/process.c
@@ -286,7 +286,7 @@ void cpu_idle_wait(void)
{
smp_mb();
/* kick all the CPUs so that they exit out of pm_idle */
- smp_call_function(do_nothing, NULL, 0, 1);
+ smp_call_function(do_nothing, NULL, 1);
}
EXPORT_SYMBOL_GPL(cpu_idle_wait);
diff --git a/arch/ia64/kernel/smp.c b/arch/ia64/kernel/smp.c
index 983296f1c81..3676468612b 100644
--- a/arch/ia64/kernel/smp.c
+++ b/arch/ia64/kernel/smp.c
@@ -60,25 +60,9 @@ static struct local_tlb_flush_counts {
static DEFINE_PER_CPU(unsigned int, shadow_flush_counts[NR_CPUS]) ____cacheline_aligned;
-
-/*
- * Structure and data for smp_call_function(). This is designed to minimise static memory
- * requirements. It also looks cleaner.
- */
-static __cacheline_aligned DEFINE_SPINLOCK(call_lock);
-
-struct call_data_struct {
- void (*func) (void *info);
- void *info;
- long wait;
- atomic_t started;
- atomic_t finished;
-};
-
-static volatile struct call_data_struct *call_data;
-
#define IPI_CALL_FUNC 0
#define IPI_CPU_STOP 1
+#define IPI_CALL_FUNC_SINGLE 2
#define IPI_KDUMP_CPU_STOP 3
/* This needs to be cacheline aligned because it is written to by *other* CPUs. */
@@ -86,43 +70,6 @@ static DEFINE_PER_CPU_SHARED_ALIGNED(u64, ipi_operation);
extern void cpu_halt (void);
-void
-lock_ipi_calllock(void)
-{
- spin_lock_irq(&call_lock);
-}
-
-void
-unlock_ipi_calllock(void)
-{
- spin_unlock_irq(&call_lock);
-}
-
-static inline void
-handle_call_data(void)
-{
- struct call_data_struct *data;
- void (*func)(void *info);
- void *info;
- int wait;
-
- /* release the 'pointer lock' */
- data = (struct call_data_struct *)call_data;
- func = data->func;
- info = data->info;
- wait = data->wait;
-
- mb();
- atomic_inc(&data->started);
- /* At this point the structure may be gone unless wait is true. */
- (*func)(info);
-
- /* Notify the sending CPU that the task is done. */
- mb();
- if (wait)
- atomic_inc(&data->finished);
-}
-
static void
stop_this_cpu(void)
{
@@ -163,13 +110,15 @@ handle_IPI (int irq, void *dev_id)
ops &= ~(1 << which);
switch (which) {
- case IPI_CALL_FUNC:
- handle_call_data();
- break;
-
case IPI_CPU_STOP:
stop_this_cpu();
break;
+ case IPI_CALL_FUNC:
+ generic_smp_call_function_interrupt();
+ break;
+ case IPI_CALL_FUNC_SINGLE:
+ generic_smp_call_function_single_interrupt();
+ break;
#ifdef CONFIG_KEXEC
case IPI_KDUMP_CPU_STOP:
unw_init_running(kdump_cpu_freeze, NULL);
@@ -187,6 +136,8 @@ handle_IPI (int irq, void *dev_id)
return IRQ_HANDLED;
}
+
+
/*
* Called with preemption disabled.
*/
@@ -334,7 +285,7 @@ smp_flush_tlb_cpumask(cpumask_t xcpumask)
void
smp_flush_tlb_all (void)
{
- on_each_cpu((void (*)(void *))local_flush_tlb_all, NULL, 1, 1);
+ on_each_cpu((void (*)(void *))local_flush_tlb_all, NULL, 1);
}
void
@@ -357,193 +308,18 @@ smp_flush_tlb_mm (struct mm_struct *mm)
* anyhow, and once a CPU is interrupted, the cost of local_flush_tlb_all() is
* rather trivial.
*/
- on_each_cpu((void (*)(void *))local_finish_flush_tlb_mm, mm, 1, 1);
+ on_each_cpu((void (*)(void *))local_finish_flush_tlb_mm, mm, 1);
}
-/*
- * Run a function on a specific CPU
- * <func> The function to run. This must be fast and non-blocking.
- * <info> An arbitrary pointer to pass to the function.
- * <nonatomic> Currently unused.
- * <wait> If true, wait until function has completed on other CPUs.
- * [RETURNS] 0 on success, else a negative status code.
- *
- * Does not return until the remote CPU is nearly ready to execute <func>
- * or is or has executed.
- */
-
-int
-smp_call_function_single (int cpuid, void (*func) (void *info), void *info, int nonatomic,
- int wait)
-{
- struct call_data_struct data;
- int cpus = 1;
- int me = get_cpu(); /* prevent preemption and reschedule on another processor */
-
- if (cpuid == me) {
- local_irq_disable();
- func(info);
- local_irq_enable();
- put_cpu();
- return 0;
- }
-
- data.func = func;
- data.info = info;
- atomic_set(&data.started, 0);
- data.wait = wait;
- if (wait)
- atomic_set(&data.finished, 0);
-
- spin_lock_bh(&call_lock);
-
- call_data = &data;
- mb(); /* ensure store to call_data precedes setting of IPI_CALL_FUNC */
- send_IPI_single(cpuid, IPI_CALL_FUNC);
-
- /* Wait for response */
- while (atomic_read(&data.started) != cpus)
- cpu_relax();
-
- if (wait)
- while (atomic_read(&data.finished) != cpus)
- cpu_relax();
- call_data = NULL;
-
- spin_unlock_bh(&call_lock);
- put_cpu();
- return 0;
-}
-EXPORT_SYMBOL(smp_call_function_single);
-
-/**
- * smp_call_function_mask(): Run a function on a set of other CPUs.
- * <mask> The set of cpus to run on. Must not include the current cpu.
- * <func> The function to run. This must be fast and non-blocking.
- * <info> An arbitrary pointer to pass to the function.
- * <wait> If true, wait (atomically) until function
- * has completed on other CPUs.
- *
- * Returns 0 on success, else a negative status code.
- *
- * If @wait is true, then returns once @func has returned; otherwise
- * it returns just before the target cpu calls @func.
- *
- * You must not call this function with disabled interrupts or from a
- * hardware interrupt handler or from a bottom half handler.
- */
-int smp_call_function_mask(cpumask_t mask,
- void (*func)(void *), void *info,
- int wait)
+void arch_send_call_function_single_ipi(int cpu)
{
- struct call_data_struct data;
- cpumask_t allbutself;
- int cpus;
-
- spin_lock(&call_lock);
- allbutself = cpu_online_map;
- cpu_clear(smp_processor_id(), allbutself);
-
- cpus_and(mask, mask, allbutself);
- cpus = cpus_weight(mask);
- if (!cpus) {
- spin_unlock(&call_lock);
- return 0;
- }
-
- /* Can deadlock when called with interrupts disabled */
- WARN_ON(irqs_disabled());
-
- data.func = func;
- data.info = info;
- atomic_set(&data.started, 0);
- data.wait = wait;
- if (wait)
- atomic_set(&data.finished, 0);
-
- call_data = &data;
- mb(); /* ensure store to call_data precedes setting of IPI_CALL_FUNC*/
-
- /* Send a message to other CPUs */
- if (cpus_equal(mask, allbutself))
- send_IPI_allbutself(IPI_CALL_FUNC);
- else
- send_IPI_mask(mask, IPI_CALL_FUNC);
-
- /* Wait for response */
- while (atomic_read(&data.started) != cpus)
- cpu_relax();
-
- if (wait)
- while (atomic_read(&data.finished) != cpus)
- cpu_relax();
- call_data = NULL;
-
- spin_unlock(&call_lock);
- return 0;
-
+ send_IPI_single(cpu, IPI_CALL_FUNC_SINGLE);
}
-EXPORT_SYMBOL(smp_call_function_mask);
-/*
- * this function sends a 'generic call function' IPI to all other CPUs
- * in the system.
- */
-
-/*
- * [SUMMARY] Run a function on all other CPUs.
- * <func> The function to run. This must be fast and non-blocking.
- * <info> An arbitrary pointer to pass to the function.
- * <nonatomic> currently unused.
- * <wait> If true, wait (atomically) until function has completed on other CPUs.
- * [RETURNS] 0 on success, else a negative status code.
- *
- * Does not return until remote CPUs are nearly ready to execute <func> or are or have
- * executed.
- *
- * You must not call this function with disabled interrupts or from a
- * hardware interrupt handler or from a bottom half handler.
- */
-int
-smp_call_function (void (*func) (void *info), void *info, int nonatomic, int wait)
+void arch_send_call_function_ipi(cpumask_t mask)
{
- struct call_data_struct data;
- int cpus;
-
- spin_lock(&call_lock);
- cpus = num_online_cpus() - 1;
- if (!cpus) {
- spin_unlock(&call_lock);
- return 0;
- }
-
- /* Can deadlock when called with interrupts disabled */
- WARN_ON(irqs_disabled());
-
- data.func = func;
- data.info = info;
- atomic_set(&data.started, 0);
- data.wait = wait;
- if (wait)
- atomic_set(&data.finished, 0);
-
- call_data = &data;
- mb(); /* ensure store to call_data precedes setting of IPI_CALL_FUNC */
- send_IPI_allbutself(IPI_CALL_FUNC);
-
- /* Wait for response */
- while (atomic_read(&data.started) != cpus)
- cpu_relax();
-
- if (wait)
- while (atomic_read(&data.finished) != cpus)
- cpu_relax();
- call_data = NULL;
-
- spin_unlock(&call_lock);
- return 0;
+ send_IPI_mask(mask, IPI_CALL_FUNC);
}
-EXPORT_SYMBOL(smp_call_function);
/*
* this function calls the 'stop' function on all other CPUs in the system.
diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c
index d7ad42b77d4..9d1d429c6c5 100644
--- a/arch/ia64/kernel/smpboot.c
+++ b/arch/ia64/kernel/smpboot.c
@@ -317,7 +317,7 @@ ia64_sync_itc (unsigned int master)
go[MASTER] = 1;
- if (smp_call_function_single(master, sync_master, NULL, 1, 0) < 0) {
+ if (smp_call_function_single(master, sync_master, NULL, 0) < 0) {
printk(KERN_ERR "sync_itc: failed to get attention of CPU %u!\n", master);
return;
}
@@ -395,14 +395,14 @@ smp_callin (void)
fix_b0_for_bsp();
- lock_ipi_calllock();
+ ipi_call_lock_irq();
spin_lock(&vector_lock);
/* Setup the per cpu irq handling data structures */
__setup_vector_irq(cpuid);
cpu_set(cpuid, cpu_online_map);
per_cpu(cpu_state, cpuid) = CPU_ONLINE;
spin_unlock(&vector_lock);
- unlock_ipi_calllock();
+ ipi_call_unlock_irq();
smp_setup_percpu_timer();
diff --git a/arch/ia64/kernel/uncached.c b/arch/ia64/kernel/uncached.c
index e77995a6e3e..8eff8c1d40a 100644
--- a/arch/ia64/kernel/uncached.c
+++ b/arch/ia64/kernel/uncached.c
@@ -123,8 +123,7 @@ static int uncached_add_chunk(struct uncached_pool *uc_pool, int nid)
status = ia64_pal_prefetch_visibility(PAL_VISIBILITY_PHYSICAL);
if (status == PAL_VISIBILITY_OK_REMOTE_NEEDED) {
atomic_set(&uc_pool->status, 0);
- status = smp_call_function(uncached_ipi_visibility, uc_pool,
- 0, 1);
+ status = smp_call_function(uncached_ipi_visibility, uc_pool, 1);
if (status || atomic_read(&uc_pool->status))
goto failed;
} else if (status != PAL_VISIBILITY_OK)
@@ -146,7 +145,7 @@ static int uncached_add_chunk(struct uncached_pool *uc_pool, int nid)
if (status != PAL_STATUS_SUCCESS)
goto failed;
atomic_set(&uc_pool->status, 0);
- status = smp_call_function(uncached_ipi_mc_drain, uc_pool, 0, 1);
+ status = smp_call_function(uncached_ipi_mc_drain, uc_pool, 1);
if (status || atomic_read(&uc_pool->status))
goto failed;
diff --git a/arch/ia64/sn/kernel/irq.c b/arch/ia64/sn/kernel/irq.c
index 53351c3cd7b..96c31b4180c 100644
--- a/arch/ia64/sn/kernel/irq.c
+++ b/arch/ia64/sn/kernel/irq.c
@@ -11,6 +11,7 @@
#include <linux/irq.h>
#include <linux/spinlock.h>
#include <linux/init.h>
+#include <linux/rculist.h>
#include <asm/sn/addrs.h>
#include <asm/sn/arch.h>
#include <asm/sn/intr.h>
diff --git a/arch/ia64/sn/kernel/sn2/sn_hwperf.c b/arch/ia64/sn/kernel/sn2/sn_hwperf.c
index 8cc0c4753d8..636588e7e06 100644
--- a/arch/ia64/sn/kernel/sn2/sn_hwperf.c
+++ b/arch/ia64/sn/kernel/sn2/sn_hwperf.c
@@ -629,7 +629,7 @@ static int sn_hwperf_op_cpu(struct sn_hwperf_op_info *op_info)
if (use_ipi) {
/* use an interprocessor interrupt to call SAL */
smp_call_function_single(cpu, sn_hwperf_call_sal,
- op_info, 1, 1);
+ op_info, 1);
}
else {
/* migrate the task before calling SAL */
diff --git a/arch/m32r/Kconfig b/arch/m32r/Kconfig
index de153de2ea9..a5f864c445b 100644
--- a/arch/m32r/Kconfig
+++ b/arch/m32r/Kconfig
@@ -296,6 +296,7 @@ config PREEMPT
config SMP
bool "Symmetric multi-processing support"
+ select USE_GENERIC_SMP_HELPERS
---help---
This enables support for systems with more than one CPU. If you have
a system with only one CPU, like most personal computers, say N. If
diff --git a/arch/m32r/kernel/m32r_ksyms.c b/arch/m32r/kernel/m32r_ksyms.c
index e6709fe950b..16bcb189a38 100644
--- a/arch/m32r/kernel/m32r_ksyms.c
+++ b/arch/m32r/kernel/m32r_ksyms.c
@@ -43,9 +43,6 @@ EXPORT_SYMBOL(dcache_dummy);
#endif
EXPORT_SYMBOL(cpu_data);
-/* Global SMP stuff */
-EXPORT_SYMBOL(smp_call_function);
-
/* TLB flushing */
EXPORT_SYMBOL(smp_flush_tlb_page);
#endif
diff --git a/arch/m32r/kernel/smp.c b/arch/m32r/kernel/smp.c
index c837bc13b01..7577f971ea4 100644
--- a/arch/m32r/kernel/smp.c
+++ b/arch/m32r/kernel/smp.c
@@ -35,22 +35,6 @@
/*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*/
/*
- * Structure and data for smp_call_function(). This is designed to minimise
- * static memory requirements. It also looks cleaner.
- */
-static DEFINE_SPINLOCK(call_lock);
-
-struct call_data_struct {
- void (*func) (void *info);
- void *info;
- atomic_t started;
- atomic_t finished;
- int wait;
-} __attribute__ ((__aligned__(SMP_CACHE_BYTES)));
-
-static struct call_data_struct *call_data;
-
-/*
* For flush_cache_all()
*/
static DEFINE_SPINLOCK(flushcache_lock);
@@ -96,9 +80,6 @@ void smp_invalidate_interrupt(void);
void smp_send_stop(void);
static void stop_this_cpu(void *);
-int smp_call_function(void (*) (void *), void *, int, int);
-void smp_call_function_interrupt(void);
-
void smp_send_timer(void);
void smp_ipi_timer_interrupt(struct pt_regs *);
void smp_local_timer_interrupt(void);
@@ -231,7 +212,7 @@ void smp_flush_tlb_all(void)
local_irq_save(flags);
__flush_tlb_all();
local_irq_restore(flags);
- smp_call_function(flush_tlb_all_ipi, NULL, 1, 1);
+ smp_call_function(flush_tlb_all_ipi, NULL, 1);
preempt_enable();
}
@@ -524,7 +505,7 @@ void smp_invalidate_interrupt(void)
*==========================================================================*/
void smp_send_stop(void)
{
- smp_call_function(stop_this_cpu, NULL, 1, 0);
+ smp_call_function(stop_this_cpu, NULL, 0);
}
/*==========================================================================*
@@ -565,86 +546,14 @@ static void stop_this_cpu(void *dummy)
for ( ; ; );
}
-/*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*/
-/* Call function Routines */
-/*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*/
-
-/*==========================================================================*
- * Name: smp_call_function
- *
- * Description: This routine sends a 'CALL_FUNCTION_IPI' to all other CPUs
- * in the system.
- *
- * Born on Date: 2002.02.05
- *
- * Arguments: *func - The function to run. This must be fast and
- * non-blocking.
- * *info - An arbitrary pointer to pass to the function.
- * nonatomic - currently unused.
- * wait - If true, wait (atomically) until function has
- * completed on other CPUs.
- *
- * Returns: 0 on success, else a negative status code. Does not return
- * until remote CPUs are nearly ready to execute <<func>> or
- * are or have executed.
- *
- * Cautions: You must not call this function with disabled interrupts or
- * from a hardware interrupt handler, you may call it from a
- * bottom half handler.
- *
- * Modification log:
- * Date Who Description
- * ---------- --- --------------------------------------------------------
- *
- *==========================================================================*/
-int smp_call_function(void (*func) (void *info), void *info, int nonatomic,
- int wait)
+void arch_send_call_function_ipi(cpumask_t mask)
{
- struct call_data_struct data;
- int cpus;
-
-#ifdef DEBUG_SMP
- unsigned long flags;
- __save_flags(flags);
- if (!(flags & 0x0040)) /* Interrupt Disable NONONO */
- BUG();
-#endif /* DEBUG_SMP */
-
- /* Holding any lock stops cpus from going down. */
- spin_lock(&call_lock);
- cpus = num_online_cpus() - 1;
-
- if (!cpus) {
- spin_unlock(&call_lock);
- return 0;
- }
-
- /* Can deadlock when called with interrupts disabled */
- WARN_ON(irqs_disabled());
-
- data.func = func;
- data.info = info;
- atomic_set(&data.started, 0);
- data.wait = wait;
- if (wait)
- atomic_set(&data.finished, 0);
-
- call_data = &data;
- mb();
-
- /* Send a message to all other CPUs and wait for them to respond */
- send_IPI_allbutself(CALL_FUNCTION_IPI, 0);
-
- /* Wait for response */
- while (atomic_read(&data.started) != cpus)
- barrier();
-
- if (wait)
- while (atomic_read(&data.finished) != cpus)
- barrier();
- spin_unlock(&call_lock);
+ send_IPI_mask(mask, CALL_FUNCTION_IPI, 0);
+}
- return 0;
+void arch_send_call_function_single_ipi(int cpu)
+{
+ send_IPI_mask(cpumask_of_cpu(cpu), CALL_FUNC_SINGLE_IPI, 0);
}
/*==========================================================================*
@@ -666,27 +575,16 @@ int smp_call_function(void (*func) (void *info), void *info, int nonatomic,
*==========================================================================*/
void smp_call_function_interrupt(void)
{
- void (*func) (void *info) = call_data->func;
- void *info = call_data->info;
- int wait = call_data->wait;
-
- /*
- * Notify initiating CPU that I've grabbed the data and am
- * about to execute the function
- */
- mb();
- atomic_inc(&call_data->started);
- /*
- * At this point the info structure may be out of scope unless wait==1
- */
irq_enter();
- (*func)(info);
+ generic_smp_call_function_interrupt();
irq_exit();
+}
- if (wait) {
- mb();
- atomic_inc(&call_data->finished);
- }
+void smp_call_function_single_interrupt(void)
+{
+ irq_enter();
+ generic_smp_call_function_single_interrupt();
+ irq_exit();
}
/*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*/
diff --git a/arch/m32r/kernel/traps.c b/arch/m32r/kernel/traps.c
index 89ba4a0b5d5..46159a4e644 100644
--- a/arch/m32r/kernel/traps.c
+++ b/arch/m32r/kernel/traps.c
@@ -40,6 +40,7 @@ extern void smp_invalidate_interrupt(void);
extern void smp_call_function_interrupt(void);
extern void smp_ipi_timer_interrupt(void);
extern void smp_flush_cache_all_interrupt(void);
+extern void smp_call_function_single_interrupt(void);
/*
* for Boot AP function
@@ -103,7 +104,7 @@ void set_eit_vector_entries(void)
eit_vector[186] = (unsigned long)smp_call_function_interrupt;
eit_vector[187] = (unsigned long)smp_ipi_timer_interrupt;
eit_vector[188] = (unsigned long)smp_flush_cache_all_interrupt;
- eit_vector[189] = 0;
+ eit_vector[189] = (unsigned long)smp_call_function_single_interrupt;
eit_vector[190] = 0;
eit_vector[191] = 0;
#endif
diff --git a/arch/m68k/bvme6000/rtc.c b/arch/m68k/bvme6000/rtc.c
index a812d03879f..e8ac3f7d72d 100644
--- a/arch/m68k/bvme6000/rtc.c
+++ b/arch/m68k/bvme6000/rtc.c
@@ -10,6 +10,7 @@
#include <linux/errno.h>
#include <linux/miscdevice.h>
#include <linux/slab.h>
+#include <linux/smp_lock.h>
#include <linux/ioport.h>
#include <linux/capability.h>
#include <linux/fcntl.h>
@@ -140,10 +141,14 @@ static int rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
static int rtc_open(struct inode *inode, struct file *file)
{
- if(rtc_status)
+ lock_kernel();
+ if(rtc_status) {
+ unlock_kernel();
return -EBUSY;
+ }
rtc_status = 1;
+ unlock_kernel();
return 0;
}
diff --git a/arch/m68k/mvme16x/rtc.c b/arch/m68k/mvme16x/rtc.c
index e341387787a..432a9f13b2e 100644
--- a/arch/m68k/mvme16x/rtc.c
+++ b/arch/m68k/mvme16x/rtc.c
@@ -10,6 +10,7 @@
#include <linux/errno.h>
#include <linux/miscdevice.h>
#include <linux/slab.h>
+#include <linux/smp_lock.h>
#include <linux/ioport.h>
#include <linux/capability.h>
#include <linux/fcntl.h>
@@ -127,11 +128,14 @@ static int rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
static int rtc_open(struct inode *inode, struct file *file)
{
+ lock_kernel();
if( !atomic_dec_and_test(&rtc_ready) )
{
atomic_inc( &rtc_ready );
+ unlock_kernel();
return -EBUSY;
}
+ unlock_kernel();
return 0;
}
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 24c5dee9176..d2be3ffca28 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -1763,6 +1763,7 @@ config SMP
bool "Multi-Processing support"
depends on SYS_SUPPORTS_SMP
select IRQ_PER_CPU
+ select USE_GENERIC_SMP_HELPERS
help
This enables support for systems with more than one CPU. If you have
a system with only one CPU, like most personal computers, say N. If
diff --git a/arch/mips/basler/excite/excite_iodev.c b/arch/mips/basler/excite/excite_iodev.c
index 476d20e08d0..a1e3526b4a9 100644
--- a/arch/mips/basler/excite/excite_iodev.c
+++ b/arch/mips/basler/excite/excite_iodev.c
@@ -26,6 +26,7 @@
#include <linux/interrupt.h>
#include <linux/platform_device.h>
#include <linux/miscdevice.h>
+#include <linux/smp_lock.h>
#include "excite_iodev.h"
@@ -110,8 +111,14 @@ static int __exit iodev_remove(struct device *dev)
static int iodev_open(struct inode *i, struct file *f)
{
- return request_irq(iodev_irq, iodev_irqhdl, IRQF_DISABLED,
+ int ret;
+
+ lock_kernel();
+ ret = request_irq(iodev_irq, iodev_irqhdl, IRQF_DISABLED,
iodev_name, &miscdev);
+ unlock_kernel();
+
+ return ret;
}
static int iodev_release(struct inode *i, struct file *f)
diff --git a/arch/mips/kernel/irq-rm9000.c b/arch/mips/kernel/irq-rm9000.c
index ed9febe63d7..b47e4615ec1 100644
--- a/arch/mips/kernel/irq-rm9000.c
+++ b/arch/mips/kernel/irq-rm9000.c
@@ -49,7 +49,7 @@ static void local_rm9k_perfcounter_irq_startup(void *args)
static unsigned int rm9k_perfcounter_irq_startup(unsigned int irq)
{
- on_each_cpu(local_rm9k_perfcounter_irq_startup, (void *) irq, 0, 1);
+ on_each_cpu(local_rm9k_perfcounter_irq_startup, (void *) irq, 1);
return 0;
}
@@ -66,7 +66,7 @@ static void local_rm9k_perfcounter_irq_shutdown(void *args)
static void rm9k_perfcounter_irq_shutdown(unsigned int irq)
{
- on_each_cpu(local_rm9k_perfcounter_irq_shutdown, (void *) irq, 0, 1);
+ on_each_cpu(local_rm9k_perfcounter_irq_shutdown, (void *) irq, 1);
}
static struct irq_chip rm9k_irq_controller = {
diff --git a/arch/mips/kernel/rtlx.c b/arch/mips/kernel/rtlx.c
index b88f1c18ff4..b5564196123 100644
--- a/arch/mips/kernel/rtlx.c
+++ b/arch/mips/kernel/rtlx.c
@@ -28,6 +28,7 @@
#include <linux/vmalloc.h>
#include <linux/elf.h>
#include <linux/seq_file.h>
+#include <linux/smp_lock.h>
#include <linux/syscalls.h>
#include <linux/moduleloader.h>
#include <linux/interrupt.h>
@@ -392,8 +393,12 @@ out:
static int file_open(struct inode *inode, struct file *filp)
{
int minor = iminor(inode);
+ int err;
- return rtlx_open(minor, (filp->f_flags & O_NONBLOCK) ? 0 : 1);
+ lock_kernel();
+ err = rtlx_open(minor, (filp->f_flags & O_NONBLOCK) ? 0 : 1);
+ unlock_kernel();
+ return err;
}
static int file_release(struct inode *inode, struct file *filp)
diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c
index cdf87a9dd4b..4410f172b8a 100644
--- a/arch/mips/kernel/smp.c
+++ b/arch/mips/kernel/smp.c
@@ -131,148 +131,29 @@ asmlinkage __cpuinit void start_secondary(void)
cpu_idle();
}
-DEFINE_SPINLOCK(smp_call_lock);
-
-struct call_data_struct *call_data;
-
-/*
- * Run a function on all other CPUs.
- *
- * <mask> cpuset_t of all processors to run the function on.
- * <func> The function to run. This must be fast and non-blocking.
- * <info> An arbitrary pointer to pass to the function.
- * <retry> If true, keep retrying until ready.
- * <wait> If true, wait until function has completed on other CPUs.
- * [RETURNS] 0 on success, else a negative status code.
- *
- * Does not return until remote CPUs are nearly ready to execute <func>
- * or are or have executed.
- *
- * You must not call this function with disabled interrupts or from a
- * hardware interrupt handler or from a bottom half handler:
- *
- * CPU A CPU B
- * Disable interrupts
- * smp_call_function()
- * Take call_lock
- * Send IPIs
- * Wait for all cpus to acknowledge IPI
- * CPU A has not responded, spin waiting
- * for cpu A to respond, holding call_lock
- * smp_call_function()
- * Spin waiting for call_lock
- * Deadlock Deadlock
- */
-int smp_call_function_mask(cpumask_t mask, void (*func) (void *info),
- void *info, int retry, int wait)
+void arch_send_call_function_ipi(cpumask_t mask)
{
- struct call_data_struct data;
- int cpu = smp_processor_id();
- int cpus;
-
- /*
- * Can die spectacularly if this CPU isn't yet marked online
- */
- BUG_ON(!cpu_online(cpu));
-
- cpu_clear(cpu, mask);
- cpus = cpus_weight(mask);
- if (!cpus)
- return 0;
-
- /* Can deadlock when called with interrupts disabled */
- WARN_ON(irqs_disabled());
-
- data.func = func;
- data.info = info;
- atomic_set(&data.started, 0);
- data.wait = wait;
- if (wait)
- atomic_set(&data.finished, 0);
-
- spin_lock(&smp_call_lock);
- call_data = &data;
- smp_mb();
-
- /* Send a message to all other CPUs and wait for them to respond */
mp_ops->send_ipi_mask(mask, SMP_CALL_FUNCTION);
-
- /* Wait for response */
- /* FIXME: lock-up detection, backtrace on lock-up */
- while (atomic_read(&data.started) != cpus)
- barrier();
-
- if (wait)
- while (atomic_read(&data.finished) != cpus)
- barrier();
- call_data = NULL;
- spin_unlock(&smp_call_lock);
-
- return 0;
}
-int smp_call_function(void (*func) (void *info), void *info, int retry,
- int wait)
+/*
+ * We reuse the same vector for the single IPI
+ */
+void arch_send_call_function_single_ipi(int cpu)
{
- return smp_call_function_mask(cpu_online_map, func, info, retry, wait);
+ mp_ops->send_ipi_mask(cpumask_of_cpu(cpu), SMP_CALL_FUNCTION);
}
-EXPORT_SYMBOL(smp_call_function);
+/*
+ * Call into both interrupt handlers, as we share the IPI for them
+ */
void smp_call_function_interrupt(void)
{
- void (*func) (void *info) = call_data->func;
- void *info = call_data->info;
- int wait = call_data->wait;
-
- /*
- * Notify initiating CPU that I've grabbed the data and am
- * about to execute the function.
- */
- smp_mb();
- atomic_inc(&call_data->started);
-
- /*
- * At this point the info structure may be out of scope unless wait==1.
- */
irq_enter();
- (*func)(info);
+ generic_smp_call_function_single_interrupt();
+ generic_smp_call_function_interrupt();
irq_exit();
-
- if (wait) {
- smp_mb();
- atomic_inc(&call_data->finished);
- }
-}
-
-int smp_call_function_single(int cpu, void (*func) (void *info), void *info,
- int retry, int wait)
-{
- int ret, me;
-
- /*
- * Can die spectacularly if this CPU isn't yet marked online
- */
- if (!cpu_online(cpu))
- return 0;
-
- me = get_cpu();
- BUG_ON(!cpu_online(me));
-
- if (cpu == me) {
- local_irq_disable();
- func(info);
- local_irq_enable();
- put_cpu();
- return 0;
- }
-
- ret = smp_call_function_mask(cpumask_of_cpu(cpu), func, info, retry,
- wait);
-
- put_cpu();
- return 0;
}
-EXPORT_SYMBOL(smp_call_function_single);
static void stop_this_cpu(void *dummy)
{
@@ -286,7 +167,7 @@ static void stop_this_cpu(void *dummy)
void smp_send_stop(void)
{
- smp_call_function(stop_this_cpu, NULL, 1, 0);
+ smp_call_function(stop_this_cpu, NULL, 0);
}
void __init smp_cpus_done(unsigned int max_cpus)
@@ -365,7 +246,7 @@ static void flush_tlb_all_ipi(void *info)
void flush_tlb_all(void)
{
- on_each_cpu(flush_tlb_all_ipi, NULL, 1, 1);
+ on_each_cpu(flush_tlb_all_ipi, NULL, 1);
}
static void flush_tlb_mm_ipi(void *mm)
@@ -385,7 +266,7 @@ static void flush_tlb_mm_ipi(void *mm)
static inline void smp_on_other_tlbs(void (*func) (void *info), void *info)
{
#ifndef CONFIG_MIPS_MT_SMTC
- smp_call_function(func, info, 1, 1);
+ smp_call_function(func, info, 1);
#endif
}
@@ -485,7 +366,7 @@ void flush_tlb_kernel_range(unsigned long start, unsigned long end)
.addr2 = end,
};
- on_each_cpu(flush_tlb_kernel_range_ipi, &fd, 1, 1);
+ on_each_cpu(flush_tlb_kernel_range_ipi, &fd, 1);
}
static void flush_tlb_page_ipi(void *info)
diff --git a/arch/mips/kernel/smtc.c b/arch/mips/kernel/smtc.c
index 3e863186cd2..a516286532a 100644
--- a/arch/mips/kernel/smtc.c
+++ b/arch/mips/kernel/smtc.c
@@ -877,7 +877,6 @@ static void ipi_resched_interrupt(void)
/* Return from interrupt should be enough to cause scheduler check */
}
-
static void ipi_call_interrupt(void)
{
/* Invoke generic function invocation code in smp.c */
diff --git a/arch/mips/kernel/stacktrace.c b/arch/mips/kernel/stacktrace.c
index ebd9db8d1ec..5eb4681a73d 100644
--- a/arch/mips/kernel/stacktrace.c
+++ b/arch/mips/kernel/stacktrace.c
@@ -73,3 +73,4 @@ void save_stack_trace(struct stack_trace *trace)
prepare_frametrace(regs);
save_context_stack(trace, regs);
}
+EXPORT_SYMBOL_GPL(save_stack_trace);
diff --git a/arch/mips/kernel/vpe.c b/arch/mips/kernel/vpe.c
index 2794501ff30..972b2d2b840 100644
--- a/arch/mips/kernel/vpe.c
+++ b/arch/mips/kernel/vpe.c
@@ -38,6 +38,7 @@
#include <linux/vmalloc.h>
#include <linux/elf.h>
#include <linux/seq_file.h>
+#include <linux/smp_lock.h>
#include <linux/syscalls.h>
#include <linux/moduleloader.h>
#include <linux/interrupt.h>
@@ -1050,17 +1051,20 @@ static int vpe_open(struct inode *inode, struct file *filp)
enum vpe_state state;
struct vpe_notifications *not;
struct vpe *v;
- int ret;
+ int ret, err = 0;
+ lock_kernel();
if (minor != iminor(inode)) {
/* assume only 1 device at the moment. */
printk(KERN_WARNING "VPE loader: only vpe1 is supported\n");
- return -ENODEV;
+ err = -ENODEV;
+ goto out;
}
if ((v = get_vpe(tclimit)) == NULL) {
printk(KERN_WARNING "VPE loader: unable to get vpe\n");
- return -ENODEV;
+ err = -ENODEV;
+ goto out;
}
state = xchg(&v->state, VPE_STATE_INUSE);
@@ -1100,6 +1104,8 @@ static int vpe_open(struct inode *inode, struct file *filp)
v->shared_ptr = NULL;
v->__start = 0;
+out:
+ unlock_kernel();
return 0;
}
diff --git a/arch/mips/mm/c-r3k.c b/arch/mips/mm/c-r3k.c
index 76935e32021..27a5b466c85 100644
--- a/arch/mips/mm/c-r3k.c
+++ b/arch/mips/mm/c-r3k.c
@@ -26,7 +26,7 @@
static unsigned long icache_size, dcache_size; /* Size in bytes */
static unsigned long icache_lsize, dcache_lsize; /* Size in bytes */
-unsigned long __init r3k_cache_size(unsigned long ca_flags)
+unsigned long __cpuinit r3k_cache_size(unsigned long ca_flags)
{
unsigned long flags, status, dummy, size;
volatile unsigned long *p;
@@ -61,7 +61,7 @@ unsigned long __init r3k_cache_size(unsigned long ca_flags)
return size * sizeof(*p);
}
-unsigned long __init r3k_cache_lsize(unsigned long ca_flags)
+unsigned long __cpuinit r3k_cache_lsize(unsigned long ca_flags)
{
unsigned long flags, status, lsize, i;
volatile unsigned long *p;
@@ -90,7 +90,7 @@ unsigned long __init r3k_cache_lsize(unsigned long ca_flags)
return lsize * sizeof(*p);
}
-static void __init r3k_probe_cache(void)
+static void __cpuinit r3k_probe_cache(void)
{
dcache_size = r3k_cache_size(ST0_ISC);
if (dcache_size)
diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c
index 27096751ddc..71df3390c07 100644
--- a/arch/mips/mm/c-r4k.c
+++ b/arch/mips/mm/c-r4k.c
@@ -43,12 +43,12 @@
* primary cache.
*/
static inline void r4k_on_each_cpu(void (*func) (void *info), void *info,
- int retry, int wait)
+ int wait)
{
preempt_disable();
#if !defined(CONFIG_MIPS_MT_SMP) && !defined(CONFIG_MIPS_MT_SMTC)
- smp_call_function(func, info, retry, wait);
+ smp_call_function(func, info, wait);
#endif
func(info);
preempt_enable();
@@ -350,7 +350,7 @@ static inline void local_r4k___flush_cache_all(void * args)
static void r4k___flush_cache_all(void)
{
- r4k_on_each_cpu(local_r4k___flush_cache_all, NULL, 1, 1);
+ r4k_on_each_cpu(local_r4k___flush_cache_all, NULL, 1);
}
static inline int has_valid_asid(const struct mm_struct *mm)
@@ -397,7 +397,7 @@ static void r4k_flush_cache_range(struct vm_area_struct *vma,
int exec = vma->vm_flags & VM_EXEC;
if (cpu_has_dc_aliases || (exec && !cpu_has_ic_fills_f_dc))
- r4k_on_each_cpu(local_r4k_flush_cache_range, vma, 1, 1);
+ r4k_on_each_cpu(local_r4k_flush_cache_range, vma, 1);
}
static inline void local_r4k_flush_cache_mm(void * args)
@@ -429,7 +429,7 @@ static void r4k_flush_cache_mm(struct mm_struct *mm)
if (!cpu_has_dc_aliases)
return;
- r4k_on_each_cpu(local_r4k_flush_cache_mm, mm, 1, 1);
+ r4k_on_each_cpu(local_r4k_flush_cache_mm, mm, 1);
}
struct flush_cache_page_args {
@@ -521,7 +521,7 @@ static void r4k_flush_cache_page(struct vm_area_struct *vma,
args.addr = addr;
args.pfn = pfn;
- r4k_on_each_cpu(local_r4k_flush_cache_page, &args, 1, 1);
+ r4k_on_each_cpu(local_r4k_flush_cache_page, &args, 1);
}
static inline void local_r4k_flush_data_cache_page(void * addr)
@@ -535,7 +535,7 @@ static void r4k_flush_data_cache_page(unsigned long addr)
local_r4k_flush_data_cache_page((void *)addr);
else
r4k_on_each_cpu(local_r4k_flush_data_cache_page, (void *) addr,
- 1, 1);
+ 1);
}
struct flush_icache_range_args {
@@ -571,7 +571,7 @@ static void r4k_flush_icache_range(unsigned long start, unsigned long end)
args.start = start;
args.end = end;
- r4k_on_each_cpu(local_r4k_flush_icache_range, &args, 1, 1);
+ r4k_on_each_cpu(local_r4k_flush_icache_range, &args, 1);
instruction_hazard();
}
@@ -672,7 +672,7 @@ static void local_r4k_flush_cache_sigtramp(void * arg)
static void r4k_flush_cache_sigtramp(unsigned long addr)
{
- r4k_on_each_cpu(local_r4k_flush_cache_sigtramp, (void *) addr, 1, 1);
+ r4k_on_each_cpu(local_r4k_flush_cache_sigtramp, (void *) addr, 1);
}
static void r4k_flush_icache_all(void)
diff --git a/arch/mips/mm/page.c b/arch/mips/mm/page.c
index 1edf0cbbeed..1417c649485 100644
--- a/arch/mips/mm/page.c
+++ b/arch/mips/mm/page.c
@@ -235,13 +235,12 @@ static void __cpuinit set_prefetch_parameters(void)
}
/*
* Too much unrolling will overflow the available space in
- * clear_space_array / copy_page_array. 8 words sounds generous,
- * but a R4000 with 128 byte L2 line length can exceed even that.
+ * clear_space_array / copy_page_array.
*/
- half_clear_loop_size = min(8 * clear_word_size,
+ half_clear_loop_size = min(16 * clear_word_size,
max(cache_line_size >> 1,
4 * clear_word_size));
- half_copy_loop_size = min(8 * copy_word_size,
+ half_copy_loop_size = min(16 * copy_word_size,
max(cache_line_size >> 1,
4 * copy_word_size));
}
@@ -263,21 +262,23 @@ static inline void __cpuinit build_clear_pref(u32 **buf, int off)
if (pref_bias_clear_store) {
uasm_i_pref(buf, pref_dst_mode, pref_bias_clear_store + off,
A0);
- } else if (cpu_has_cache_cdex_s) {
- uasm_i_cache(buf, Create_Dirty_Excl_SD, off, A0);
- } else if (cpu_has_cache_cdex_p) {
- if (R4600_V1_HIT_CACHEOP_WAR && cpu_is_r4600_v1_x()) {
- uasm_i_nop(buf);
- uasm_i_nop(buf);
- uasm_i_nop(buf);
- uasm_i_nop(buf);
- }
+ } else if (cache_line_size == (half_clear_loop_size << 1)) {
+ if (cpu_has_cache_cdex_s) {
+ uasm_i_cache(buf, Create_Dirty_Excl_SD, off, A0);
+ } else if (cpu_has_cache_cdex_p) {
+ if (R4600_V1_HIT_CACHEOP_WAR && cpu_is_r4600_v1_x()) {
+ uasm_i_nop(buf);
+ uasm_i_nop(buf);
+ uasm_i_nop(buf);
+ uasm_i_nop(buf);
+ }
- if (R4600_V2_HIT_CACHEOP_WAR && cpu_is_r4600_v2_x())
- uasm_i_lw(buf, ZERO, ZERO, AT);
+ if (R4600_V2_HIT_CACHEOP_WAR && cpu_is_r4600_v2_x())
+ uasm_i_lw(buf, ZERO, ZERO, AT);
- uasm_i_cache(buf, Create_Dirty_Excl_D, off, A0);
- }
+ uasm_i_cache(buf, Create_Dirty_Excl_D, off, A0);
+ }
+ }
}
void __cpuinit build_clear_page(void)
@@ -403,20 +404,22 @@ static inline void build_copy_store_pref(u32 **buf, int off)
if (pref_bias_copy_store) {
uasm_i_pref(buf, pref_dst_mode, pref_bias_copy_store + off,
A0);
- } else if (cpu_has_cache_cdex_s) {
- uasm_i_cache(buf, Create_Dirty_Excl_SD, off, A0);
- } else if (cpu_has_cache_cdex_p) {
- if (R4600_V1_HIT_CACHEOP_WAR && cpu_is_r4600_v1_x()) {
- uasm_i_nop(buf);
- uasm_i_nop(buf);
- uasm_i_nop(buf);
- uasm_i_nop(buf);
- }
+ } else if (cache_line_size == (half_copy_loop_size << 1)) {
+ if (cpu_has_cache_cdex_s) {
+ uasm_i_cache(buf, Create_Dirty_Excl_SD, off, A0);
+ } else if (cpu_has_cache_cdex_p) {
+ if (R4600_V1_HIT_CACHEOP_WAR && cpu_is_r4600_v1_x()) {
+ uasm_i_nop(buf);
+ uasm_i_nop(buf);
+ uasm_i_nop(buf);
+ uasm_i_nop(buf);
+ }
- if (R4600_V2_HIT_CACHEOP_WAR && cpu_is_r4600_v2_x())
- uasm_i_lw(buf, ZERO, ZERO, AT);
+ if (R4600_V2_HIT_CACHEOP_WAR && cpu_is_r4600_v2_x())
+ uasm_i_lw(buf, ZERO, ZERO, AT);
- uasm_i_cache(buf, Create_Dirty_Excl_D, off, A0);
+ uasm_i_cache(buf, Create_Dirty_Excl_D, off, A0);
+ }
}
}
diff --git a/arch/mips/mm/sc-rm7k.c b/arch/mips/mm/sc-rm7k.c
index fc227f3b119..e3abfb2d7e8 100644
--- a/arch/mips/mm/sc-rm7k.c
+++ b/arch/mips/mm/sc-rm7k.c
@@ -86,7 +86,7 @@ static void rm7k_sc_inv(unsigned long addr, unsigned long size)
/*
* This function is executed in uncached address space.
*/
-static __init void __rm7k_sc_enable(void)
+static __cpuinit void __rm7k_sc_enable(void)
{
int i;
@@ -107,7 +107,7 @@ static __init void __rm7k_sc_enable(void)
}
}
-static __init void rm7k_sc_enable(void)
+static __cpuinit void rm7k_sc_enable(void)
{
if (read_c0_config() & RM7K_CONF_SE)
return;
diff --git a/arch/mips/oprofile/common.c b/arch/mips/oprofile/common.c
index b5f6f71b27b..dd2fbd6645c 100644
--- a/arch/mips/oprofile/common.c
+++ b/arch/mips/oprofile/common.c
@@ -27,7 +27,7 @@ static int op_mips_setup(void)
model->reg_setup(ctr);
/* Configure the registers on all cpus. */
- on_each_cpu(model->cpu_setup, NULL, 0, 1);
+ on_each_cpu(model->cpu_setup, NULL, 1);
return 0;
}
@@ -58,7 +58,7 @@ static int op_mips_create_files(struct super_block * sb, struct dentry * root)
static int op_mips_start(void)
{
- on_each_cpu(model->cpu_start, NULL, 0, 1);
+ on_each_cpu(model->cpu_start, NULL, 1);
return 0;
}
@@ -66,7 +66,7 @@ static int op_mips_start(void)
static void op_mips_stop(void)
{
/* Disable performance monitoring for all counters. */
- on_each_cpu(model->cpu_stop, NULL, 0, 1);
+ on_each_cpu(model->cpu_stop, NULL, 1);
}
int __init oprofile_arch_init(struct oprofile_operations *ops)
diff --git a/arch/mips/oprofile/op_model_mipsxx.c b/arch/mips/oprofile/op_model_mipsxx.c
index b40df7d2cf4..54759f1669d 100644
--- a/arch/mips/oprofile/op_model_mipsxx.c
+++ b/arch/mips/oprofile/op_model_mipsxx.c
@@ -313,7 +313,7 @@ static int __init mipsxx_init(void)
if (!cpu_has_mipsmt_pertccounters)
counters = counters_total_to_per_cpu(counters);
#endif
- on_each_cpu(reset_counters, (void *)(long)counters, 0, 1);
+ on_each_cpu(reset_counters, (void *)(long)counters, 1);
op_model_mipsxx_ops.num_counters = counters;
switch (current_cpu_type()) {
@@ -382,7 +382,7 @@ static void mipsxx_exit(void)
int counters = op_model_mipsxx_ops.num_counters;
counters = counters_per_cpu_to_total(counters);
- on_each_cpu(reset_counters, (void *)(long)counters, 0, 1);
+ on_each_cpu(reset_counters, (void *)(long)counters, 1);
perf_irq = save_perf_irq;
}
diff --git a/arch/mips/pmc-sierra/yosemite/prom.c b/arch/mips/pmc-sierra/yosemite/prom.c
index 35dc435846a..cf4c868715a 100644
--- a/arch/mips/pmc-sierra/yosemite/prom.c
+++ b/arch/mips/pmc-sierra/yosemite/prom.c
@@ -64,7 +64,7 @@ static void prom_exit(void)
#ifdef CONFIG_SMP
if (smp_processor_id())
/* CPU 1 */
- smp_call_function(prom_cpu0_exit, NULL, 1, 1);
+ smp_call_function(prom_cpu0_exit, NULL, 1);
#endif
prom_cpu0_exit(NULL);
}
diff --git a/arch/mips/sibyte/cfe/setup.c b/arch/mips/sibyte/cfe/setup.c
index 33fce826f8b..fd9604d5555 100644
--- a/arch/mips/sibyte/cfe/setup.c
+++ b/arch/mips/sibyte/cfe/setup.c
@@ -74,7 +74,7 @@ static void __noreturn cfe_linux_exit(void *arg)
if (!reboot_smp) {
/* Get CPU 0 to do the cfe_exit */
reboot_smp = 1;
- smp_call_function(cfe_linux_exit, arg, 1, 0);
+ smp_call_function(cfe_linux_exit, arg, 0);
}
} else {
printk("Passing control back to CFE...\n");
diff --git a/arch/mips/sibyte/common/sb_tbprof.c b/arch/mips/sibyte/common/sb_tbprof.c
index 63b444eaf01..28b012ab8dc 100644
--- a/arch/mips/sibyte/common/sb_tbprof.c
+++ b/arch/mips/sibyte/common/sb_tbprof.c
@@ -28,6 +28,7 @@
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/slab.h>
+#include <linux/smp_lock.h>
#include <linux/vmalloc.h>
#include <linux/fs.h>
#include <linux/errno.h>
@@ -402,18 +403,26 @@ static int sbprof_zbprof_stop(void)
static int sbprof_tb_open(struct inode *inode, struct file *filp)
{
int minor;
+ int err = 0;
+ lock_kernel();
minor = iminor(inode);
- if (minor != 0)
- return -ENODEV;
+ if (minor != 0) {
+ err = -ENODEV;
+ goto out;
+ }
- if (xchg(&sbp.open, SB_OPENING) != SB_CLOSED)
- return -EBUSY;
+ if (xchg(&sbp.open, SB_OPENING) != SB_CLOSED) {
+ err = -EBUSY;
+ goto out;
+ }
memset(&sbp, 0, sizeof(struct sbprof_tb));
sbp.sbprof_tbbuf = vmalloc(MAX_TBSAMPLE_BYTES);
- if (!sbp.sbprof_tbbuf)
- return -ENOMEM;
+ if (!sbp.sbprof_tbbuf) {
+ err = -ENOMEM;
+ goto out;
+ }
memset(sbp.sbprof_tbbuf, 0, MAX_TBSAMPLE_BYTES);
init_waitqueue_head(&sbp.tb_sync);
init_waitqueue_head(&sbp.tb_read);
@@ -421,7 +430,9 @@ static int sbprof_tb_open(struct inode *inode, struct file *filp)
sbp.open = SB_OPEN;
- return 0;
+ out:
+ unlock_kernel();
+ return err;
}
static int sbprof_tb_release(struct inode *inode, struct file *filp)
diff --git a/arch/mips/sibyte/sb1250/prom.c b/arch/mips/sibyte/sb1250/prom.c
index cf8f6b3de86..65b1af66b67 100644
--- a/arch/mips/sibyte/sb1250/prom.c
+++ b/arch/mips/sibyte/sb1250/prom.c
@@ -66,7 +66,7 @@ static void prom_linux_exit(void)
{
#ifdef CONFIG_SMP
if (smp_processor_id()) {
- smp_call_function(prom_cpu0_exit, NULL, 1, 1);
+ smp_call_function(prom_cpu0_exit, NULL, 1);
}
#endif
while(1);
diff --git a/arch/mips/sibyte/swarm/Makefile b/arch/mips/sibyte/swarm/Makefile
index 1775755a261..255d692bfa1 100644
--- a/arch/mips/sibyte/swarm/Makefile
+++ b/arch/mips/sibyte/swarm/Makefile
@@ -1,3 +1,4 @@
obj-y := setup.o rtc_xicor1241.o rtc_m41t81.o
+obj-$(CONFIG_I2C_BOARDINFO) += swarm-i2c.o
obj-$(CONFIG_KGDB) += dbg_io.o
diff --git a/arch/mips/sibyte/swarm/swarm-i2c.c b/arch/mips/sibyte/swarm/swarm-i2c.c
new file mode 100644
index 00000000000..4282ac9d01d
--- /dev/null
+++ b/arch/mips/sibyte/swarm/swarm-i2c.c
@@ -0,0 +1,37 @@
+/*
+ * arch/mips/sibyte/swarm/swarm-i2c.c
+ *
+ * Broadcom BCM91250A (SWARM), etc. I2C platform setup.
+ *
+ * Copyright (c) 2008 Maciej W. Rozycki
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#include <linux/i2c.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+
+
+static struct i2c_board_info swarm_i2c_info1[] __initdata = {
+ {
+ I2C_BOARD_INFO("m41t81", 0x68),
+ },
+};
+
+static int __init swarm_i2c_init(void)
+{
+ int err;
+
+ err = i2c_register_board_info(1, swarm_i2c_info1,
+ ARRAY_SIZE(swarm_i2c_info1));
+ if (err < 0)
+ printk(KERN_ERR
+ "swarm-i2c: cannot register board I2C devices\n");
+ return err;
+}
+
+arch_initcall(swarm_i2c_init);
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
index bc7a19da624..a7d4fd353c2 100644
--- a/arch/parisc/Kconfig
+++ b/arch/parisc/Kconfig
@@ -199,6 +199,7 @@ endchoice
config SMP
bool "Symmetric multi-processing support"
+ select USE_GENERIC_SMP_HELPERS
---help---
This enables support for systems with more than one CPU. If you have
a system with only one CPU, like most personal computers, say N. If
diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c
index e10d25d2d9c..5259d8c2067 100644
--- a/arch/parisc/kernel/cache.c
+++ b/arch/parisc/kernel/cache.c
@@ -51,12 +51,12 @@ static struct pdc_btlb_info btlb_info __read_mostly;
void
flush_data_cache(void)
{
- on_each_cpu(flush_data_cache_local, NULL, 1, 1);
+ on_each_cpu(flush_data_cache_local, NULL, 1);
}
void
flush_instruction_cache(void)
{
- on_each_cpu(flush_instruction_cache_local, NULL, 1, 1);
+ on_each_cpu(flush_instruction_cache_local, NULL, 1);
}
#endif
@@ -515,7 +515,7 @@ static void cacheflush_h_tmp_function(void *dummy)
void flush_cache_all(void)
{
- on_each_cpu(cacheflush_h_tmp_function, NULL, 1, 1);
+ on_each_cpu(cacheflush_h_tmp_function, NULL, 1);
}
void flush_cache_mm(struct mm_struct *mm)
diff --git a/arch/parisc/kernel/perf.c b/arch/parisc/kernel/perf.c
index 89d6d5ad44b..f696f57faa1 100644
--- a/arch/parisc/kernel/perf.c
+++ b/arch/parisc/kernel/perf.c
@@ -46,6 +46,7 @@
#include <linux/init.h>
#include <linux/proc_fs.h>
#include <linux/miscdevice.h>
+#include <linux/smp_lock.h>
#include <linux/spinlock.h>
#include <asm/uaccess.h>
@@ -260,13 +261,16 @@ printk("Preparing to start counters\n");
*/
static int perf_open(struct inode *inode, struct file *file)
{
+ lock_kernel();
spin_lock(&perf_lock);
if (perf_enabled) {
spin_unlock(&perf_lock);
+ unlock_kernel();
return -EBUSY;
}
perf_enabled = 1;
spin_unlock(&perf_lock);
+ unlock_kernel();
return 0;
}
diff --git a/arch/parisc/kernel/smp.c b/arch/parisc/kernel/smp.c
index 85fc7754ec2..d47f3975c9c 100644
--- a/arch/parisc/kernel/smp.c
+++ b/arch/parisc/kernel/smp.c
@@ -84,19 +84,11 @@ EXPORT_SYMBOL(cpu_possible_map);
DEFINE_PER_CPU(spinlock_t, ipi_lock) = SPIN_LOCK_UNLOCKED;
-struct smp_call_struct {
- void (*func) (void *info);
- void *info;
- long wait;
- atomic_t unstarted_count;
- atomic_t unfinished_count;
-};
-static volatile struct smp_call_struct *smp_call_function_data;
-
enum ipi_message_type {
IPI_NOP=0,
IPI_RESCHEDULE=1,
IPI_CALL_FUNC,
+ IPI_CALL_FUNC_SINGLE,
IPI_CPU_START,
IPI_CPU_STOP,
IPI_CPU_TEST
@@ -187,33 +179,12 @@ ipi_interrupt(int irq, void *dev_id)
case IPI_CALL_FUNC:
smp_debug(100, KERN_DEBUG "CPU%d IPI_CALL_FUNC\n", this_cpu);
- {
- volatile struct smp_call_struct *data;
- void (*func)(void *info);
- void *info;
- int wait;
-
- data = smp_call_function_data;
- func = data->func;
- info = data->info;
- wait = data->wait;
-
- mb();
- atomic_dec ((atomic_t *)&data->unstarted_count);
-
- /* At this point, *data can't
- * be relied upon.
- */
-
- (*func)(info);
-
- /* Notify the sending CPU that the
- * task is done.
- */
- mb();
- if (wait)
- atomic_dec ((atomic_t *)&data->unfinished_count);
- }
+ generic_smp_call_function_interrupt();
+ break;
+
+ case IPI_CALL_FUNC_SINGLE:
+ smp_debug(100, KERN_DEBUG "CPU%d IPI_CALL_FUNC_SINGLE\n", this_cpu);
+ generic_smp_call_function_single_interrupt();
break;
case IPI_CPU_START:
@@ -256,6 +227,14 @@ ipi_send(int cpu, enum ipi_message_type op)
spin_unlock_irqrestore(lock, flags);
}
+static void
+send_IPI_mask(cpumask_t mask, enum ipi_message_type op)
+{
+ int cpu;
+
+ for_each_cpu_mask(cpu, mask)
+ ipi_send(cpu, op);
+}
static inline void
send_IPI_single(int dest_cpu, enum ipi_message_type op)
@@ -295,86 +274,15 @@ smp_send_all_nop(void)
send_IPI_allbutself(IPI_NOP);
}
-
-/**
- * Run a function on all other CPUs.
- * <func> The function to run. This must be fast and non-blocking.
- * <info> An arbitrary pointer to pass to the function.
- * <retry> If true, keep retrying until ready.
- * <wait> If true, wait until function has completed on other CPUs.
- * [RETURNS] 0 on success, else a negative status code.
- *
- * Does not return until remote CPUs are nearly ready to execute <func>
- * or have executed.
- */
-
-int
-smp_call_function (void (*func) (void *info), void *info, int retry, int wait)
+void arch_send_call_function_ipi(cpumask_t mask)
{
- struct smp_call_struct data;
- unsigned long timeout;
- static DEFINE_SPINLOCK(lock);
- int retries = 0;
-
- if (num_online_cpus() < 2)
- return 0;
-
- /* Can deadlock when called with interrupts disabled */
- WARN_ON(irqs_disabled());
-
- /* can also deadlock if IPIs are disabled */
- WARN_ON((get_eiem() & (1UL<<(CPU_IRQ_MAX - IPI_IRQ))) == 0);
-
-
- data.func = func;
- data.info = info;
- data.wait = wait;
- atomic_set(&data.unstarted_count, num_online_cpus() - 1);
- atomic_set(&data.unfinished_count, num_online_cpus() - 1);
-
- if (retry) {
- spin_lock (&lock);
- while (smp_call_function_data != 0)
- barrier();
- }
- else {
- spin_lock (&lock);
- if (smp_call_function_data) {
- spin_unlock (&lock);
- return -EBUSY;
- }
- }
-
- smp_call_function_data = &data;
- spin_unlock (&lock);
-
- /* Send a message to all other CPUs and wait for them to respond */
- send_IPI_allbutself(IPI_CALL_FUNC);
-
- retry:
- /* Wait for response */
- timeout = jiffies + HZ;
- while ( (atomic_read (&data.unstarted_count) > 0) &&
- time_before (jiffies, timeout) )
- barrier ();
-
- if (atomic_read (&data.unstarted_count) > 0) {
- printk(KERN_CRIT "SMP CALL FUNCTION TIMED OUT! (cpu=%d), try %d\n",
- smp_processor_id(), ++retries);
- goto retry;
- }
- /* We either got one or timed out. Release the lock */
-
- mb();
- smp_call_function_data = NULL;
-
- while (wait && atomic_read (&data.unfinished_count) > 0)
- barrier ();
-
- return 0;
+ send_IPI_mask(mask, IPI_CALL_FUNC);
}
-EXPORT_SYMBOL(smp_call_function);
+void arch_send_call_function_single_ipi(int cpu)
+{
+ send_IPI_single(cpu, IPI_CALL_FUNC_SINGLE);
+}
/*
* Flush all other CPU's tlb and then mine. Do this with on_each_cpu()
@@ -384,7 +292,7 @@ EXPORT_SYMBOL(smp_call_function);
void
smp_flush_tlb_all(void)
{
- on_each_cpu(flush_tlb_all_local, NULL, 1, 1);
+ on_each_cpu(flush_tlb_all_local, NULL, 1);
}
/*
diff --git a/arch/parisc/kernel/vmlinux.lds.S b/arch/parisc/kernel/vmlinux.lds.S
index 2e516b87175..1a3b6ccd362 100644
--- a/arch/parisc/kernel/vmlinux.lds.S
+++ b/arch/parisc/kernel/vmlinux.lds.S
@@ -67,7 +67,6 @@ SECTIONS
_etext = .;
RODATA
- BUG_TABLE
/* writeable */
/* Make sure this is page aligned so
diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c
index ce0da689a89..b4d6c8777ed 100644
--- a/arch/parisc/mm/init.c
+++ b/arch/parisc/mm/init.c
@@ -1053,7 +1053,7 @@ void flush_tlb_all(void)
do_recycle++;
}
spin_unlock(&sid_lock);
- on_each_cpu(flush_tlb_all_local, NULL, 1, 1);
+ on_each_cpu(flush_tlb_all_local, NULL, 1);
if (do_recycle) {
spin_lock(&sid_lock);
recycle_sids(recycle_ndirty,recycle_dirty_array);
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 3934e265940..20eacf2a842 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -105,11 +105,14 @@ config ARCH_NO_VIRT_TO_BUS
config PPC
bool
default y
+ select HAVE_DYNAMIC_FTRACE
+ select HAVE_FTRACE
select HAVE_IDE
- select HAVE_OPROFILE
select HAVE_KPROBES
select HAVE_KRETPROBES
select HAVE_LMB
+ select USE_GENERIC_SMP_HELPERS if SMP
+ select HAVE_OPROFILE
config EARLY_PRINTK
bool
diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile
index 2346d271fbf..f3f5e264143 100644
--- a/arch/powerpc/kernel/Makefile
+++ b/arch/powerpc/kernel/Makefile
@@ -12,6 +12,18 @@ CFLAGS_prom_init.o += -fPIC
CFLAGS_btext.o += -fPIC
endif
+ifdef CONFIG_FTRACE
+# Do not trace early boot code
+CFLAGS_REMOVE_cputable.o = -pg
+CFLAGS_REMOVE_prom_init.o = -pg
+
+ifdef CONFIG_DYNAMIC_FTRACE
+# dynamic ftrace setup.
+CFLAGS_REMOVE_ftrace.o = -pg
+endif
+
+endif
+
obj-y := cputable.o ptrace.o syscalls.o \
irq.o align.o signal_32.o pmc.o vdso.o \
init_task.o process.o systbl.o idle.o \
@@ -78,6 +90,8 @@ obj-$(CONFIG_KEXEC) += machine_kexec.o crash.o \
obj-$(CONFIG_AUDIT) += audit.o
obj64-$(CONFIG_AUDIT) += compat_audit.o
+obj-$(CONFIG_DYNAMIC_FTRACE) += ftrace.o
+
obj-$(CONFIG_8XX_MINIMAL_FPEMU) += softemu8xx.o
ifneq ($(CONFIG_PPC_INDIRECT_IO),y)
diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S
index 0c8614d9875..7231a708af0 100644
--- a/arch/powerpc/kernel/entry_32.S
+++ b/arch/powerpc/kernel/entry_32.S
@@ -30,6 +30,7 @@
#include <asm/ppc_asm.h>
#include <asm/asm-offsets.h>
#include <asm/unistd.h>
+#include <asm/ftrace.h>
#undef SHOW_SYSCALLS
#undef SHOW_SYSCALLS_TASK
@@ -1035,3 +1036,129 @@ machine_check_in_rtas:
/* XXX load up BATs and panic */
#endif /* CONFIG_PPC_RTAS */
+
+#ifdef CONFIG_FTRACE
+#ifdef CONFIG_DYNAMIC_FTRACE
+_GLOBAL(mcount)
+_GLOBAL(_mcount)
+ stwu r1,-48(r1)
+ stw r3, 12(r1)
+ stw r4, 16(r1)
+ stw r5, 20(r1)
+ stw r6, 24(r1)
+ mflr r3
+ stw r7, 28(r1)
+ mfcr r5
+ stw r8, 32(r1)
+ stw r9, 36(r1)
+ stw r10,40(r1)
+ stw r3, 44(r1)
+ stw r5, 8(r1)
+ subi r3, r3, MCOUNT_INSN_SIZE
+ .globl mcount_call
+mcount_call:
+ bl ftrace_stub
+ nop
+ lwz r6, 8(r1)
+ lwz r0, 44(r1)
+ lwz r3, 12(r1)
+ mtctr r0
+ lwz r4, 16(r1)
+ mtcr r6
+ lwz r5, 20(r1)
+ lwz r6, 24(r1)
+ lwz r0, 52(r1)
+ lwz r7, 28(r1)
+ lwz r8, 32(r1)
+ mtlr r0
+ lwz r9, 36(r1)
+ lwz r10,40(r1)
+ addi r1, r1, 48
+ bctr
+
+_GLOBAL(ftrace_caller)
+ /* Based off of objdump optput from glibc */
+ stwu r1,-48(r1)
+ stw r3, 12(r1)
+ stw r4, 16(r1)
+ stw r5, 20(r1)
+ stw r6, 24(r1)
+ mflr r3
+ lwz r4, 52(r1)
+ mfcr r5
+ stw r7, 28(r1)
+ stw r8, 32(r1)
+ stw r9, 36(r1)
+ stw r10,40(r1)
+ stw r3, 44(r1)
+ stw r5, 8(r1)
+ subi r3, r3, MCOUNT_INSN_SIZE
+.globl ftrace_call
+ftrace_call:
+ bl ftrace_stub
+ nop
+ lwz r6, 8(r1)
+ lwz r0, 44(r1)
+ lwz r3, 12(r1)
+ mtctr r0
+ lwz r4, 16(r1)
+ mtcr r6
+ lwz r5, 20(r1)
+ lwz r6, 24(r1)
+ lwz r0, 52(r1)
+ lwz r7, 28(r1)
+ lwz r8, 32(r1)
+ mtlr r0
+ lwz r9, 36(r1)
+ lwz r10,40(r1)
+ addi r1, r1, 48
+ bctr
+#else
+_GLOBAL(mcount)
+_GLOBAL(_mcount)
+ stwu r1,-48(r1)
+ stw r3, 12(r1)
+ stw r4, 16(r1)
+ stw r5, 20(r1)
+ stw r6, 24(r1)
+ mflr r3
+ lwz r4, 52(r1)
+ mfcr r5
+ stw r7, 28(r1)
+ stw r8, 32(r1)
+ stw r9, 36(r1)
+ stw r10,40(r1)
+ stw r3, 44(r1)
+ stw r5, 8(r1)
+
+ subi r3, r3, MCOUNT_INSN_SIZE
+ LOAD_REG_ADDR(r5, ftrace_trace_function)
+ lwz r5,0(r5)
+
+ mtctr r5
+ bctrl
+
+ nop
+
+ lwz r6, 8(r1)
+ lwz r0, 44(r1)
+ lwz r3, 12(r1)
+ mtctr r0
+ lwz r4, 16(r1)
+ mtcr r6
+ lwz r5, 20(r1)
+ lwz r6, 24(r1)
+ lwz r0, 52(r1)
+ lwz r7, 28(r1)
+ lwz r8, 32(r1)
+ mtlr r0
+ lwz r9, 36(r1)
+ lwz r10,40(r1)
+ addi r1, r1, 48
+ bctr
+#endif
+
+_GLOBAL(ftrace_stub)
+ blr
+
+#endif /* CONFIG_MCOUNT */
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S
index c0db5b769e5..2f511a969d2 100644
--- a/arch/powerpc/kernel/entry_64.S
+++ b/arch/powerpc/kernel/entry_64.S
@@ -31,6 +31,7 @@
#include <asm/bug.h>
#include <asm/ptrace.h>
#include <asm/irqflags.h>
+#include <asm/ftrace.h>
/*
* System calls.
@@ -870,3 +871,67 @@ _GLOBAL(enter_prom)
ld r0,16(r1)
mtlr r0
blr
+
+#ifdef CONFIG_FTRACE
+#ifdef CONFIG_DYNAMIC_FTRACE
+_GLOBAL(mcount)
+_GLOBAL(_mcount)
+ /* Taken from output of objdump from lib64/glibc */
+ mflr r3
+ stdu r1, -112(r1)
+ std r3, 128(r1)
+ subi r3, r3, MCOUNT_INSN_SIZE
+ .globl mcount_call
+mcount_call:
+ bl ftrace_stub
+ nop
+ ld r0, 128(r1)
+ mtlr r0
+ addi r1, r1, 112
+ blr
+
+_GLOBAL(ftrace_caller)
+ /* Taken from output of objdump from lib64/glibc */
+ mflr r3
+ ld r11, 0(r1)
+ stdu r1, -112(r1)
+ std r3, 128(r1)
+ ld r4, 16(r11)
+ subi r3, r3, MCOUNT_INSN_SIZE
+.globl ftrace_call
+ftrace_call:
+ bl ftrace_stub
+ nop
+ ld r0, 128(r1)
+ mtlr r0
+ addi r1, r1, 112
+_GLOBAL(ftrace_stub)
+ blr
+#else
+_GLOBAL(mcount)
+ blr
+
+_GLOBAL(_mcount)
+ /* Taken from output of objdump from lib64/glibc */
+ mflr r3
+ ld r11, 0(r1)
+ stdu r1, -112(r1)
+ std r3, 128(r1)
+ ld r4, 16(r11)
+
+ subi r3, r3, MCOUNT_INSN_SIZE
+ LOAD_REG_ADDR(r5,ftrace_trace_function)
+ ld r5,0(r5)
+ ld r5,0(r5)
+ mtctr r5
+ bctrl
+
+ nop
+ ld r0, 128(r1)
+ mtlr r0
+ addi r1, r1, 112
+_GLOBAL(ftrace_stub)
+ blr
+
+#endif
+#endif
diff --git a/arch/powerpc/kernel/ftrace.c b/arch/powerpc/kernel/ftrace.c
new file mode 100644
index 00000000000..3855ceb937b
--- /dev/null
+++ b/arch/powerpc/kernel/ftrace.c
@@ -0,0 +1,154 @@
+/*
+ * Code for replacing ftrace calls with jumps.
+ *
+ * Copyright (C) 2007-2008 Steven Rostedt <srostedt@redhat.com>
+ *
+ * Thanks goes out to P.A. Semi, Inc for supplying me with a PPC64 box.
+ *
+ */
+
+#include <linux/spinlock.h>
+#include <linux/hardirq.h>
+#include <linux/ftrace.h>
+#include <linux/percpu.h>
+#include <linux/init.h>
+#include <linux/list.h>
+
+#include <asm/cacheflush.h>
+#include <asm/ftrace.h>
+
+
+static unsigned int ftrace_nop = 0x60000000;
+
+#ifdef CONFIG_PPC32
+# define GET_ADDR(addr) addr
+#else
+/* PowerPC64's functions are data that points to the functions */
+# define GET_ADDR(addr) *(unsigned long *)addr
+#endif
+
+
+static unsigned int notrace ftrace_calc_offset(long ip, long addr)
+{
+ return (int)(addr - ip);
+}
+
+notrace unsigned char *ftrace_nop_replace(void)
+{
+ return (char *)&ftrace_nop;
+}
+
+notrace unsigned char *ftrace_call_replace(unsigned long ip, unsigned long addr)
+{
+ static unsigned int op;
+
+ /*
+ * It would be nice to just use create_function_call, but that will
+ * update the code itself. Here we need to just return the
+ * instruction that is going to be modified, without modifying the
+ * code.
+ */
+ addr = GET_ADDR(addr);
+
+ /* Set to "bl addr" */
+ op = 0x48000001 | (ftrace_calc_offset(ip, addr) & 0x03fffffc);
+
+ /*
+ * No locking needed, this must be called via kstop_machine
+ * which in essence is like running on a uniprocessor machine.
+ */
+ return (unsigned char *)&op;
+}
+
+#ifdef CONFIG_PPC64
+# define _ASM_ALIGN " .align 3 "
+# define _ASM_PTR " .llong "
+#else
+# define _ASM_ALIGN " .align 2 "
+# define _ASM_PTR " .long "
+#endif
+
+notrace int
+ftrace_modify_code(unsigned long ip, unsigned char *old_code,
+ unsigned char *new_code)
+{
+ unsigned replaced;
+ unsigned old = *(unsigned *)old_code;
+ unsigned new = *(unsigned *)new_code;
+ int faulted = 0;
+
+ /*
+ * Note: Due to modules and __init, code can
+ * disappear and change, we need to protect against faulting
+ * as well as code changing.
+ *
+ * No real locking needed, this code is run through
+ * kstop_machine.
+ */
+ asm volatile (
+ "1: lwz %1, 0(%2)\n"
+ " cmpw %1, %5\n"
+ " bne 2f\n"
+ " stwu %3, 0(%2)\n"
+ "2:\n"
+ ".section .fixup, \"ax\"\n"
+ "3: li %0, 1\n"
+ " b 2b\n"
+ ".previous\n"
+ ".section __ex_table,\"a\"\n"
+ _ASM_ALIGN "\n"
+ _ASM_PTR "1b, 3b\n"
+ ".previous"
+ : "=r"(faulted), "=r"(replaced)
+ : "r"(ip), "r"(new),
+ "0"(faulted), "r"(old)
+ : "memory");
+
+ if (replaced != old && replaced != new)
+ faulted = 2;
+
+ if (!faulted)
+ flush_icache_range(ip, ip + 8);
+
+ return faulted;
+}
+
+notrace int ftrace_update_ftrace_func(ftrace_func_t func)
+{
+ unsigned long ip = (unsigned long)(&ftrace_call);
+ unsigned char old[MCOUNT_INSN_SIZE], *new;
+ int ret;
+
+ memcpy(old, &ftrace_call, MCOUNT_INSN_SIZE);
+ new = ftrace_call_replace(ip, (unsigned long)func);
+ ret = ftrace_modify_code(ip, old, new);
+
+ return ret;
+}
+
+notrace int ftrace_mcount_set(unsigned long *data)
+{
+ unsigned long ip = (long)(&mcount_call);
+ unsigned long *addr = data;
+ unsigned char old[MCOUNT_INSN_SIZE], *new;
+
+ /*
+ * Replace the mcount stub with a pointer to the
+ * ip recorder function.
+ */
+ memcpy(old, &mcount_call, MCOUNT_INSN_SIZE);
+ new = ftrace_call_replace(ip, *addr);
+ *addr = ftrace_modify_code(ip, old, new);
+
+ return 0;
+}
+
+int __init ftrace_dyn_arch_init(void *data)
+{
+ /* This is running in kstop_machine */
+
+ ftrace_mcount_set(data);
+
+ return 0;
+}
+
diff --git a/arch/powerpc/kernel/io.c b/arch/powerpc/kernel/io.c
index e31aca9208e..1882bf419fa 100644
--- a/arch/powerpc/kernel/io.c
+++ b/arch/powerpc/kernel/io.c
@@ -120,7 +120,8 @@ EXPORT_SYMBOL(_outsl_ns);
#define IO_CHECK_ALIGN(v,a) ((((unsigned long)(v)) & ((a) - 1)) == 0)
-void _memset_io(volatile void __iomem *addr, int c, unsigned long n)
+notrace void
+_memset_io(volatile void __iomem *addr, int c, unsigned long n)
{
void *p = (void __force *)addr;
u32 lc = c;
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index bcc249d90c4..dcc946e6709 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -98,7 +98,7 @@ EXPORT_SYMBOL(irq_desc);
int distribute_irqs = 1;
-static inline unsigned long get_hard_enabled(void)
+static inline notrace unsigned long get_hard_enabled(void)
{
unsigned long enabled;
@@ -108,13 +108,13 @@ static inline unsigned long get_hard_enabled(void)
return enabled;
}
-static inline void set_soft_enabled(unsigned long enable)
+static inline notrace void set_soft_enabled(unsigned long enable)
{
__asm__ __volatile__("stb %0,%1(13)"
: : "r" (enable), "i" (offsetof(struct paca_struct, soft_enabled)));
}
-void raw_local_irq_restore(unsigned long en)
+notrace void raw_local_irq_restore(unsigned long en)
{
/*
* get_paca()->soft_enabled = en;
diff --git a/arch/powerpc/kernel/legacy_serial.c b/arch/powerpc/kernel/legacy_serial.c
index cf37f5ca4b7..4d96e1db55e 100644
--- a/arch/powerpc/kernel/legacy_serial.c
+++ b/arch/powerpc/kernel/legacy_serial.c
@@ -33,13 +33,14 @@ static struct legacy_serial_info {
phys_addr_t taddr;
} legacy_serial_infos[MAX_LEGACY_SERIAL_PORTS];
-static struct __initdata of_device_id parents[] = {
+static struct __initdata of_device_id legacy_serial_parents[] = {
{.type = "soc",},
{.type = "tsi-bridge",},
{.type = "opb", },
{.compatible = "ibm,opb",},
{.compatible = "simple-bus",},
{.compatible = "wrs,epld-localbus",},
+ {},
};
static unsigned int legacy_serial_count;
@@ -327,7 +328,7 @@ void __init find_legacy_serial_ports(void)
struct device_node *parent = of_get_parent(np);
if (!parent)
continue;
- if (of_match_node(parents, parent) != NULL) {
+ if (of_match_node(legacy_serial_parents, parent) != NULL) {
index = add_legacy_soc_port(np, np);
if (index >= 0 && np == stdout)
legacy_serial_console = index;
diff --git a/arch/powerpc/kernel/machine_kexec_64.c b/arch/powerpc/kernel/machine_kexec_64.c
index 704375bda73..b732b5f8e35 100644
--- a/arch/powerpc/kernel/machine_kexec_64.c
+++ b/arch/powerpc/kernel/machine_kexec_64.c
@@ -172,7 +172,7 @@ static void kexec_prepare_cpus(void)
{
int my_cpu, i, notified=-1;
- smp_call_function(kexec_smp_down, NULL, 0, /* wait */0);
+ smp_call_function(kexec_smp_down, NULL, /* wait */0);
my_cpu = get_cpu();
/* check the others cpus are now down (via paca hw cpu id == -1) */
diff --git a/arch/powerpc/kernel/of_platform.c b/arch/powerpc/kernel/of_platform.c
index e79ad8afda0..3f37a6e6277 100644
--- a/arch/powerpc/kernel/of_platform.c
+++ b/arch/powerpc/kernel/of_platform.c
@@ -76,6 +76,8 @@ struct of_device* of_platform_device_create(struct device_node *np,
return NULL;
dev->dma_mask = 0xffffffffUL;
+ dev->dev.coherent_dma_mask = DMA_32BIT_MASK;
+
dev->dev.bus = &of_platform_bus_type;
/* We do not fill the DMA ops for platform devices by default.
diff --git a/arch/powerpc/kernel/ppc_ksyms.c b/arch/powerpc/kernel/ppc_ksyms.c
index d3ac631cbd2..a8d02506468 100644
--- a/arch/powerpc/kernel/ppc_ksyms.c
+++ b/arch/powerpc/kernel/ppc_ksyms.c
@@ -42,6 +42,7 @@
#include <asm/div64.h>
#include <asm/signal.h>
#include <asm/dcr.h>
+#include <asm/ftrace.h>
#ifdef CONFIG_PPC32
extern void transfer_to_handler(void);
@@ -67,6 +68,10 @@ EXPORT_SYMBOL(single_step_exception);
EXPORT_SYMBOL(sys_sigreturn);
#endif
+#ifdef CONFIG_FTRACE
+EXPORT_SYMBOL(_mcount);
+#endif
+
EXPORT_SYMBOL(strcpy);
EXPORT_SYMBOL(strncpy);
EXPORT_SYMBOL(strcat);
diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c
index 34843c31841..647f3e8677d 100644
--- a/arch/powerpc/kernel/rtas.c
+++ b/arch/powerpc/kernel/rtas.c
@@ -747,7 +747,7 @@ static int rtas_ibm_suspend_me(struct rtas_args *args)
/* Call function on all CPUs. One of us will make the
* rtas call
*/
- if (on_each_cpu(rtas_percpu_suspend_me, &data, 1, 0))
+ if (on_each_cpu(rtas_percpu_suspend_me, &data, 0))
data.error = -EINVAL;
wait_for_completion(&done);
diff --git a/arch/powerpc/kernel/setup_32.c b/arch/powerpc/kernel/setup_32.c
index 5112a4aa801..19e8fcb9cea 100644
--- a/arch/powerpc/kernel/setup_32.c
+++ b/arch/powerpc/kernel/setup_32.c
@@ -81,7 +81,7 @@ int ucache_bsize;
* from the address that it was linked at, so we must use RELOC/PTRRELOC
* to access static data (including strings). -- paulus
*/
-unsigned long __init early_init(unsigned long dt_ptr)
+notrace unsigned long __init early_init(unsigned long dt_ptr)
{
unsigned long offset = reloc_offset();
struct cpu_spec *spec;
@@ -111,7 +111,7 @@ unsigned long __init early_init(unsigned long dt_ptr)
* This is called very early on the boot process, after a minimal
* MMU environment has been set up but before MMU_init is called.
*/
-void __init machine_init(unsigned long dt_ptr, unsigned long phys)
+notrace void __init machine_init(unsigned long dt_ptr, unsigned long phys)
{
/* Enable early debugging if any specified (see udbg.h) */
udbg_early_init();
@@ -133,7 +133,7 @@ void __init machine_init(unsigned long dt_ptr, unsigned long phys)
#ifdef CONFIG_BOOKE_WDT
/* Checks wdt=x and wdt_period=xx command-line option */
-int __init early_parse_wdt(char *p)
+notrace int __init early_parse_wdt(char *p)
{
if (p && strncmp(p, "0", 1) != 0)
booke_wdt_enabled = 1;
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index 1457aa0a08f..5191b46a611 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -72,12 +72,8 @@ struct smp_ops_t *smp_ops;
static volatile unsigned int cpu_callin_map[NR_CPUS];
-void smp_call_function_interrupt(void);
-
int smt_enabled_at_boot = 1;
-static int ipi_fail_ok;
-
static void (*crash_ipi_function_ptr)(struct pt_regs *) = NULL;
#ifdef CONFIG_PPC64
@@ -99,12 +95,15 @@ void smp_message_recv(int msg)
{
switch(msg) {
case PPC_MSG_CALL_FUNCTION:
- smp_call_function_interrupt();
+ generic_smp_call_function_interrupt();
break;
case PPC_MSG_RESCHEDULE:
/* XXX Do we have to do this? */
set_need_resched();
break;
+ case PPC_MSG_CALL_FUNC_SINGLE:
+ generic_smp_call_function_single_interrupt();
+ break;
case PPC_MSG_DEBUGGER_BREAK:
if (crash_ipi_function_ptr) {
crash_ipi_function_ptr(get_irq_regs());
@@ -128,6 +127,19 @@ void smp_send_reschedule(int cpu)
smp_ops->message_pass(cpu, PPC_MSG_RESCHEDULE);
}
+void arch_send_call_function_single_ipi(int cpu)
+{
+ smp_ops->message_pass(cpu, PPC_MSG_CALL_FUNC_SINGLE);
+}
+
+void arch_send_call_function_ipi(cpumask_t mask)
+{
+ unsigned int cpu;
+
+ for_each_cpu_mask(cpu, mask)
+ smp_ops->message_pass(cpu, PPC_MSG_CALL_FUNCTION);
+}
+
#ifdef CONFIG_DEBUGGER
void smp_send_debugger_break(int cpu)
{
@@ -154,215 +166,9 @@ static void stop_this_cpu(void *dummy)
;
}
-/*
- * Structure and data for smp_call_function(). This is designed to minimise
- * static memory requirements. It also looks cleaner.
- * Stolen from the i386 version.
- */
-static __cacheline_aligned_in_smp DEFINE_SPINLOCK(call_lock);
-
-static struct call_data_struct {
- void (*func) (void *info);
- void *info;
- atomic_t started;
- atomic_t finished;
- int wait;
-} *call_data;
-
-/* delay of at least 8 seconds */
-#define SMP_CALL_TIMEOUT 8
-
-/*
- * These functions send a 'generic call function' IPI to other online
- * CPUS in the system.
- *
- * [SUMMARY] Run a function on other CPUs.
- * <func> The function to run. This must be fast and non-blocking.
- * <info> An arbitrary pointer to pass to the function.
- * <nonatomic> currently unused.
- * <wait> If true, wait (atomically) until function has completed on other CPUs.
- * [RETURNS] 0 on success, else a negative status code. Does not return until
- * remote CPUs are nearly ready to execute <<func>> or are or have executed.
- * <map> is a cpu map of the cpus to send IPI to.
- *
- * You must not call this function with disabled interrupts or from a
- * hardware interrupt handler or from a bottom half handler.
- */
-static int __smp_call_function_map(void (*func) (void *info), void *info,
- int nonatomic, int wait, cpumask_t map)
-{
- struct call_data_struct data;
- int ret = -1, num_cpus;
- int cpu;
- u64 timeout;
-
- if (unlikely(smp_ops == NULL))
- return ret;
-
- data.func = func;
- data.info = info;
- atomic_set(&data.started, 0);
- data.wait = wait;
- if (wait)
- atomic_set(&data.finished, 0);
-
- /* remove 'self' from the map */
- if (cpu_isset(smp_processor_id(), map))
- cpu_clear(smp_processor_id(), map);
-
- /* sanity check the map, remove any non-online processors. */
- cpus_and(map, map, cpu_online_map);
-
- num_cpus = cpus_weight(map);
- if (!num_cpus)
- goto done;
-
- call_data = &data;
- smp_wmb();
- /* Send a message to all CPUs in the map */
- for_each_cpu_mask(cpu, map)
- smp_ops->message_pass(cpu, PPC_MSG_CALL_FUNCTION);
-
- timeout = get_tb() + (u64) SMP_CALL_TIMEOUT * tb_ticks_per_sec;
-
- /* Wait for indication that they have received the message */
- while (atomic_read(&data.started) != num_cpus) {
- HMT_low();
- if (get_tb() >= timeout) {
- printk("smp_call_function on cpu %d: other cpus not "
- "responding (%d)\n", smp_processor_id(),
- atomic_read(&data.started));
- if (!ipi_fail_ok)
- debugger(NULL);
- goto out;
- }
- }
-
- /* optionally wait for the CPUs to complete */
- if (wait) {
- while (atomic_read(&data.finished) != num_cpus) {
- HMT_low();
- if (get_tb() >= timeout) {
- printk("smp_call_function on cpu %d: other "
- "cpus not finishing (%d/%d)\n",
- smp_processor_id(),
- atomic_read(&data.finished),
- atomic_read(&data.started));
- debugger(NULL);
- goto out;
- }
- }
- }
-
- done:
- ret = 0;
-
- out:
- call_data = NULL;
- HMT_medium();
- return ret;
-}
-
-static int __smp_call_function(void (*func)(void *info), void *info,
- int nonatomic, int wait)
-{
- int ret;
- spin_lock(&call_lock);
- ret =__smp_call_function_map(func, info, nonatomic, wait,
- cpu_online_map);
- spin_unlock(&call_lock);
- return ret;
-}
-
-int smp_call_function(void (*func) (void *info), void *info, int nonatomic,
- int wait)
-{
- /* Can deadlock when called with interrupts disabled */
- WARN_ON(irqs_disabled());
-
- return __smp_call_function(func, info, nonatomic, wait);
-}
-EXPORT_SYMBOL(smp_call_function);
-
-int smp_call_function_single(int cpu, void (*func) (void *info), void *info,
- int nonatomic, int wait)
-{
- cpumask_t map = CPU_MASK_NONE;
- int ret = 0;
-
- /* Can deadlock when called with interrupts disabled */
- WARN_ON(irqs_disabled());
-
- if (!cpu_online(cpu))
- return -EINVAL;
-
- cpu_set(cpu, map);
- if (cpu != get_cpu()) {
- spin_lock(&call_lock);
- ret = __smp_call_function_map(func, info, nonatomic, wait, map);
- spin_unlock(&call_lock);
- } else {
- local_irq_disable();
- func(info);
- local_irq_enable();
- }
- put_cpu();
- return ret;
-}
-EXPORT_SYMBOL(smp_call_function_single);
-
void smp_send_stop(void)
{
- int nolock;
-
- /* It's OK to fail sending the IPI, since the alternative is to
- * be stuck forever waiting on the other CPU to take the interrupt.
- *
- * It's better to at least continue and go through reboot, since this
- * function is usually called at panic or reboot time in the first
- * place.
- */
- ipi_fail_ok = 1;
-
- /* Don't deadlock in case we got called through panic */
- nolock = !spin_trylock(&call_lock);
- __smp_call_function_map(stop_this_cpu, NULL, 1, 0, cpu_online_map);
- if (!nolock)
- spin_unlock(&call_lock);
-}
-
-void smp_call_function_interrupt(void)
-{
- void (*func) (void *info);
- void *info;
- int wait;
-
- /* call_data will be NULL if the sender timed out while
- * waiting on us to receive the call.
- */
- if (!call_data)
- return;
-
- func = call_data->func;
- info = call_data->info;
- wait = call_data->wait;
-
- if (!wait)
- smp_mb__before_atomic_inc();
-
- /*
- * Notify initiating CPU that I've grabbed the data and am
- * about to execute the function
- */
- atomic_inc(&call_data->started);
- /*
- * At this point the info structure may be out of scope unless wait==1
- */
- (*func)(info);
- if (wait) {
- smp_mb__before_atomic_inc();
- atomic_inc(&call_data->finished);
- }
+ smp_call_function(stop_this_cpu, NULL, 0);
}
extern struct gettimeofday_struct do_gtod;
@@ -596,9 +402,9 @@ int __devinit start_secondary(void *unused)
secondary_cpu_time_init();
- spin_lock(&call_lock);
+ ipi_call_lock();
cpu_set(cpu, cpu_online_map);
- spin_unlock(&call_lock);
+ ipi_call_unlock();
local_irq_enable();
diff --git a/arch/powerpc/kernel/stacktrace.c b/arch/powerpc/kernel/stacktrace.c
index 96294403843..3cf0d94ba34 100644
--- a/arch/powerpc/kernel/stacktrace.c
+++ b/arch/powerpc/kernel/stacktrace.c
@@ -12,6 +12,7 @@
#include <linux/sched.h>
#include <linux/stacktrace.h>
+#include <linux/module.h>
#include <asm/ptrace.h>
/*
@@ -44,3 +45,4 @@ void save_stack_trace(struct stack_trace *trace)
sp = newsp;
}
}
+EXPORT_SYMBOL_GPL(save_stack_trace);
diff --git a/arch/powerpc/kernel/tau_6xx.c b/arch/powerpc/kernel/tau_6xx.c
index 368a4934f7e..c3a56d65c5a 100644
--- a/arch/powerpc/kernel/tau_6xx.c
+++ b/arch/powerpc/kernel/tau_6xx.c
@@ -192,7 +192,7 @@ static void tau_timeout_smp(unsigned long unused)
/* schedule ourselves to be run again */
mod_timer(&tau_timer, jiffies + shrink_timer) ;
- on_each_cpu(tau_timeout, NULL, 1, 0);
+ on_each_cpu(tau_timeout, NULL, 0);
}
/*
@@ -234,7 +234,7 @@ int __init TAU_init(void)
tau_timer.expires = jiffies + shrink_timer;
add_timer(&tau_timer);
- on_each_cpu(TAU_init_smp, NULL, 1, 0);
+ on_each_cpu(TAU_init_smp, NULL, 0);
printk("Thermal assist unit ");
#ifdef CONFIG_TAU_INT
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index 73401e83739..f1a38a6c1e2 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -322,7 +322,7 @@ void snapshot_timebases(void)
{
if (!cpu_has_feature(CPU_FTR_PURR))
return;
- on_each_cpu(snapshot_tb_and_purr, NULL, 0, 1);
+ on_each_cpu(snapshot_tb_and_purr, NULL, 1);
}
/*
diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S
index 0c3000bf8d7..53d57d17a89 100644
--- a/arch/powerpc/kernel/vmlinux.lds.S
+++ b/arch/powerpc/kernel/vmlinux.lds.S
@@ -64,8 +64,6 @@ SECTIONS
NOTES
- BUG_TABLE
-
/*
* Init sections discarded at runtime
*/
diff --git a/arch/powerpc/mm/slice.c b/arch/powerpc/mm/slice.c
index ad928edafb0..2bd12d965db 100644
--- a/arch/powerpc/mm/slice.c
+++ b/arch/powerpc/mm/slice.c
@@ -218,7 +218,7 @@ static void slice_convert(struct mm_struct *mm, struct slice_mask mask, int psiz
mb();
/* XXX this is sub-optimal but will do for now */
- on_each_cpu(slice_flush_segments, mm, 0, 1);
+ on_each_cpu(slice_flush_segments, mm, 1);
#ifdef CONFIG_SPU_BASE
spu_flush_all_slbs(mm);
#endif
diff --git a/arch/powerpc/mm/tlb_64.c b/arch/powerpc/mm/tlb_64.c
index e2d867ce1c7..69ad829a7fa 100644
--- a/arch/powerpc/mm/tlb_64.c
+++ b/arch/powerpc/mm/tlb_64.c
@@ -66,7 +66,7 @@ static void pgtable_free_now(pgtable_free_t pgf)
{
pte_freelist_forced_free++;
- smp_call_function(pte_free_smp_sync, NULL, 0, 1);
+ smp_call_function(pte_free_smp_sync, NULL, 1);
pgtable_free(pgf);
}
diff --git a/arch/powerpc/oprofile/common.c b/arch/powerpc/oprofile/common.c
index 4908dc98f9c..17807acb05d 100644
--- a/arch/powerpc/oprofile/common.c
+++ b/arch/powerpc/oprofile/common.c
@@ -65,7 +65,7 @@ static int op_powerpc_setup(void)
/* Configure the registers on all cpus. If an error occurs on one
* of the cpus, op_per_cpu_rc will be set to the error */
- on_each_cpu(op_powerpc_cpu_setup, NULL, 0, 1);
+ on_each_cpu(op_powerpc_cpu_setup, NULL, 1);
out: if (op_per_cpu_rc) {
/* error on setup release the performance counter hardware */
@@ -100,7 +100,7 @@ static int op_powerpc_start(void)
if (model->global_start)
return model->global_start(ctr);
if (model->start) {
- on_each_cpu(op_powerpc_cpu_start, NULL, 0, 1);
+ on_each_cpu(op_powerpc_cpu_start, NULL, 1);
return op_per_cpu_rc;
}
return -EIO; /* No start function is defined for this
@@ -115,7 +115,7 @@ static inline void op_powerpc_cpu_stop(void *dummy)
static void op_powerpc_stop(void)
{
if (model->stop)
- on_each_cpu(op_powerpc_cpu_stop, NULL, 0, 1);
+ on_each_cpu(op_powerpc_cpu_stop, NULL, 1);
if (model->global_stop)
model->global_stop();
}
diff --git a/arch/powerpc/platforms/cell/interrupt.c b/arch/powerpc/platforms/cell/interrupt.c
index 5bf7df14602..2d5bb22d6c0 100644
--- a/arch/powerpc/platforms/cell/interrupt.c
+++ b/arch/powerpc/platforms/cell/interrupt.c
@@ -218,6 +218,7 @@ void iic_request_IPIs(void)
{
iic_request_ipi(PPC_MSG_CALL_FUNCTION, "IPI-call");
iic_request_ipi(PPC_MSG_RESCHEDULE, "IPI-resched");
+ iic_request_ipi(PPC_MSG_CALL_FUNC_SINGLE, "IPI-call-single");
#ifdef CONFIG_DEBUGGER
iic_request_ipi(PPC_MSG_DEBUGGER_BREAK, "IPI-debug");
#endif /* CONFIG_DEBUGGER */
diff --git a/arch/powerpc/platforms/powermac/Makefile b/arch/powerpc/platforms/powermac/Makefile
index 4d72c8f7215..89774177b20 100644
--- a/arch/powerpc/platforms/powermac/Makefile
+++ b/arch/powerpc/platforms/powermac/Makefile
@@ -1,5 +1,10 @@
CFLAGS_bootx_init.o += -fPIC
+ifdef CONFIG_FTRACE
+# Do not trace early boot code
+CFLAGS_REMOVE_bootx_init.o = -pg
+endif
+
obj-y += pic.o setup.o time.o feature.o pci.o \
sleep.o low_i2c.o cache.o pfunc_core.o \
pfunc_base.o
diff --git a/arch/powerpc/platforms/ps3/smp.c b/arch/powerpc/platforms/ps3/smp.c
index f0b12f21236..a0927a3bacb 100644
--- a/arch/powerpc/platforms/ps3/smp.c
+++ b/arch/powerpc/platforms/ps3/smp.c
@@ -105,9 +105,10 @@ static void __init ps3_smp_setup_cpu(int cpu)
* to index needs to be setup.
*/
- BUILD_BUG_ON(PPC_MSG_CALL_FUNCTION != 0);
- BUILD_BUG_ON(PPC_MSG_RESCHEDULE != 1);
- BUILD_BUG_ON(PPC_MSG_DEBUGGER_BREAK != 3);
+ BUILD_BUG_ON(PPC_MSG_CALL_FUNCTION != 0);
+ BUILD_BUG_ON(PPC_MSG_RESCHEDULE != 1);
+ BUILD_BUG_ON(PPC_MSG_CALL_FUNC_SINGLE != 2);
+ BUILD_BUG_ON(PPC_MSG_DEBUGGER_BREAK != 3);
for (i = 0; i < MSG_COUNT; i++) {
result = ps3_event_receive_port_setup(cpu, &virqs[i]);
diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c
index ebebc28fe89..0fc830f576f 100644
--- a/arch/powerpc/platforms/pseries/xics.c
+++ b/arch/powerpc/platforms/pseries/xics.c
@@ -383,13 +383,11 @@ static irqreturn_t xics_ipi_dispatch(int cpu)
mb();
smp_message_recv(PPC_MSG_RESCHEDULE);
}
-#if 0
- if (test_and_clear_bit(PPC_MSG_MIGRATE_TASK,
+ if (test_and_clear_bit(PPC_MSG_CALL_FUNC_SINGLE,
&xics_ipi_message[cpu].value)) {
mb();
- smp_message_recv(PPC_MSG_MIGRATE_TASK);
+ smp_message_recv(PPC_MSG_CALL_FUNC_SINGLE);
}
-#endif
#if defined(CONFIG_DEBUGGER) || defined(CONFIG_KEXEC)
if (test_and_clear_bit(PPC_MSG_DEBUGGER_BREAK,
&xics_ipi_message[cpu].value)) {
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index 7680001676a..6c90c95b454 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -1494,7 +1494,7 @@ void mpic_request_ipis(void)
static char *ipi_names[] = {
"IPI0 (call function)",
"IPI1 (reschedule)",
- "IPI2 (unused)",
+ "IPI2 (call function single)",
"IPI3 (debugger break)",
};
BUG_ON(mpic == NULL);
diff --git a/arch/ppc/kernel/smp.c b/arch/ppc/kernel/smp.c
index 055998575cb..bcab0d210e3 100644
--- a/arch/ppc/kernel/smp.c
+++ b/arch/ppc/kernel/smp.c
@@ -152,7 +152,7 @@ static void stop_this_cpu(void *dummy)
void smp_send_stop(void)
{
- smp_call_function(stop_this_cpu, NULL, 1, 0);
+ smp_call_function(stop_this_cpu, NULL, 0);
}
/*
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 107e492cb47..5dc8f8028d5 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -146,6 +146,7 @@ config MATHEMU
config COMPAT
bool "Kernel support for 31 bit emulation"
depends on 64BIT
+ select COMPAT_BINFMT_ELF
help
Select this option if you want to enable your system kernel to
handle system-calls from ELF binaries for 31 bit ESA. This option
@@ -312,6 +313,10 @@ config ARCH_SPARSEMEM_DEFAULT
config ARCH_SELECT_MEMORY_MODEL
def_bool y
+config ARCH_ENABLE_MEMORY_HOTPLUG
+ def_bool y
+ depends on SPARSEMEM
+
source "mm/Kconfig"
comment "I/O subsystem configuration"
@@ -344,6 +349,22 @@ config QDIO_DEBUG
If unsure, say N.
+config CHSC_SCH
+ tristate "Support for CHSC subchannels"
+ help
+ This driver allows usage of CHSC subchannels. A CHSC subchannel
+ is usually present on LPAR only.
+ The driver creates a device /dev/chsc, which may be used to
+ obtain I/O configuration information about the machine and
+ to issue asynchronous chsc commands (DANGEROUS).
+ You will usually only want to use this interface on a special
+ LPAR designated for system management.
+
+ To compile this driver as a module, choose M here: the
+ module will be called chsc_sch.
+
+ If unsure, say N.
+
comment "Misc"
config IPL
diff --git a/arch/s390/appldata/appldata.h b/arch/s390/appldata/appldata.h
index db3ae850510..17a2636fec0 100644
--- a/arch/s390/appldata/appldata.h
+++ b/arch/s390/appldata/appldata.h
@@ -3,13 +3,11 @@
*
* Definitions and interface for Linux - z/VM Monitor Stream.
*
- * Copyright (C) 2003,2006 IBM Corporation, IBM Deutschland Entwicklung GmbH.
+ * Copyright IBM Corp. 2003, 2008
*
* Author: Gerald Schaefer <gerald.schaefer@de.ibm.com>
*/
-//#define APPLDATA_DEBUG /* Debug messages on/off */
-
#define APPLDATA_MAX_REC_SIZE 4024 /* Maximum size of the */
/* data buffer */
#define APPLDATA_MAX_PROCS 100
@@ -32,12 +30,6 @@
#define P_ERROR(x...) printk(KERN_ERR MY_PRINT_NAME " error: " x)
#define P_WARNING(x...) printk(KERN_WARNING MY_PRINT_NAME " status: " x)
-#ifdef APPLDATA_DEBUG
-#define P_DEBUG(x...) printk(KERN_DEBUG MY_PRINT_NAME " debug: " x)
-#else
-#define P_DEBUG(x...) do {} while (0)
-#endif
-
struct appldata_ops {
struct list_head list;
struct ctl_table_header *sysctl_header;
diff --git a/arch/s390/appldata/appldata_base.c b/arch/s390/appldata/appldata_base.c
index ad40729bec3..a7f8979fb92 100644
--- a/arch/s390/appldata/appldata_base.c
+++ b/arch/s390/appldata/appldata_base.c
@@ -5,7 +5,7 @@
* Exports appldata_register_ops() and appldata_unregister_ops() for the
* data gathering modules.
*
- * Copyright (C) 2003,2006 IBM Corporation, IBM Deutschland Entwicklung GmbH.
+ * Copyright IBM Corp. 2003, 2008
*
* Author: Gerald Schaefer <gerald.schaefer@de.ibm.com>
*/
@@ -108,9 +108,6 @@ static LIST_HEAD(appldata_ops_list);
*/
static void appldata_timer_function(unsigned long data)
{
- P_DEBUG(" -= Timer =-\n");
- P_DEBUG("CPU: %i, expire_count: %i\n", smp_processor_id(),
- atomic_read(&appldata_expire_count));
if (atomic_dec_and_test(&appldata_expire_count)) {
atomic_set(&appldata_expire_count, num_online_cpus());
queue_work(appldata_wq, (struct work_struct *) data);
@@ -128,14 +125,11 @@ static void appldata_work_fn(struct work_struct *work)
struct appldata_ops *ops;
int i;
- P_DEBUG(" -= Work Queue =-\n");
i = 0;
get_online_cpus();
spin_lock(&appldata_ops_lock);
list_for_each(lh, &appldata_ops_list) {
ops = list_entry(lh, struct appldata_ops, list);
- P_DEBUG("list_for_each loop: %i) active = %u, name = %s\n",
- ++i, ops->active, ops->name);
if (ops->active == 1) {
ops->callback(ops->data);
}
@@ -209,10 +203,9 @@ __appldata_vtimer_setup(int cmd)
per_cpu(appldata_timer, i).expires = per_cpu_interval;
smp_call_function_single(i, add_virt_timer_periodic,
&per_cpu(appldata_timer, i),
- 0, 1);
+ 1);
}
appldata_timer_active = 1;
- P_INFO("Monitoring timer started.\n");
break;
case APPLDATA_DEL_TIMER:
for_each_online_cpu(i)
@@ -221,7 +214,6 @@ __appldata_vtimer_setup(int cmd)
break;
appldata_timer_active = 0;
atomic_set(&appldata_expire_count, num_online_cpus());
- P_INFO("Monitoring timer stopped.\n");
break;
case APPLDATA_MOD_TIMER:
per_cpu_interval = (u64) (appldata_interval*1000 /
@@ -236,7 +228,7 @@ __appldata_vtimer_setup(int cmd)
args.timer = &per_cpu(appldata_timer, i);
args.expires = per_cpu_interval;
smp_call_function_single(i, __appldata_mod_vtimer_wrap,
- &args, 0, 1);
+ &args, 1);
}
}
}
@@ -313,10 +305,8 @@ appldata_interval_handler(ctl_table *ctl, int write, struct file *filp,
}
interval = 0;
sscanf(buf, "%i", &interval);
- if (interval <= 0) {
- P_ERROR("Timer CPU interval has to be > 0!\n");
+ if (interval <= 0)
return -EINVAL;
- }
get_online_cpus();
spin_lock(&appldata_timer_lock);
@@ -324,9 +314,6 @@ appldata_interval_handler(ctl_table *ctl, int write, struct file *filp,
__appldata_vtimer_setup(APPLDATA_MOD_TIMER);
spin_unlock(&appldata_timer_lock);
put_online_cpus();
-
- P_INFO("Monitoring CPU interval set to %u milliseconds.\n",
- interval);
out:
*lenp = len;
*ppos += len;
@@ -406,23 +393,16 @@ appldata_generic_handler(ctl_table *ctl, int write, struct file *filp,
P_ERROR("START DIAG 0xDC for %s failed, "
"return code: %d\n", ops->name, rc);
module_put(ops->owner);
- } else {
- P_INFO("Monitoring %s data enabled, "
- "DIAG 0xDC started.\n", ops->name);
+ } else
ops->active = 1;
- }
} else if ((buf[0] == '0') && (ops->active == 1)) {
ops->active = 0;
rc = appldata_diag(ops->record_nr, APPLDATA_STOP_REC,
(unsigned long) ops->data, ops->size,
ops->mod_lvl);
- if (rc != 0) {
+ if (rc != 0)
P_ERROR("STOP DIAG 0xDC for %s failed, "
"return code: %d\n", ops->name, rc);
- } else {
- P_INFO("Monitoring %s data disabled, "
- "DIAG 0xDC stopped.\n", ops->name);
- }
module_put(ops->owner);
}
spin_unlock(&appldata_ops_lock);
@@ -468,7 +448,6 @@ int appldata_register_ops(struct appldata_ops *ops)
ops->sysctl_header = register_sysctl_table(ops->ctl_table);
if (!ops->sysctl_header)
goto out;
- P_INFO("%s-ops registered!\n", ops->name);
return 0;
out:
spin_lock(&appldata_ops_lock);
@@ -490,7 +469,6 @@ void appldata_unregister_ops(struct appldata_ops *ops)
spin_unlock(&appldata_ops_lock);
unregister_sysctl_table(ops->sysctl_header);
kfree(ops->ctl_table);
- P_INFO("%s-ops unregistered!\n", ops->name);
}
/********************** module-ops management <END> **************************/
@@ -553,14 +531,9 @@ static int __init appldata_init(void)
{
int i;
- P_DEBUG("sizeof(parameter_list) = %lu\n",
- sizeof(struct appldata_parameter_list));
-
appldata_wq = create_singlethread_workqueue("appldata");
- if (!appldata_wq) {
- P_ERROR("Could not create work queue\n");
+ if (!appldata_wq)
return -ENOMEM;
- }
get_online_cpus();
for_each_online_cpu(i)
@@ -571,8 +544,6 @@ static int __init appldata_init(void)
register_hotcpu_notifier(&appldata_nb);
appldata_sysctl_header = register_sysctl_table(appldata_dir_table);
-
- P_DEBUG("Base interface initialized.\n");
return 0;
}
@@ -584,7 +555,9 @@ EXPORT_SYMBOL_GPL(appldata_register_ops);
EXPORT_SYMBOL_GPL(appldata_unregister_ops);
EXPORT_SYMBOL_GPL(appldata_diag);
+#ifdef CONFIG_SWAP
EXPORT_SYMBOL_GPL(si_swapinfo);
+#endif
EXPORT_SYMBOL_GPL(nr_threads);
EXPORT_SYMBOL_GPL(nr_running);
EXPORT_SYMBOL_GPL(nr_iowait);
diff --git a/arch/s390/appldata/appldata_mem.c b/arch/s390/appldata/appldata_mem.c
index 51181ccdb87..3ed56b7d1b2 100644
--- a/arch/s390/appldata/appldata_mem.c
+++ b/arch/s390/appldata/appldata_mem.c
@@ -14,14 +14,13 @@
#include <linux/slab.h>
#include <linux/errno.h>
#include <linux/kernel_stat.h>
-#include <asm/io.h>
#include <linux/pagemap.h>
#include <linux/swap.h>
+#include <asm/io.h>
#include "appldata.h"
-#define MY_PRINT_NAME "appldata_mem" /* for debug messages, etc. */
#define P2K(x) ((x) << (PAGE_SHIFT - 10)) /* Converts #Pages to KB */
/*
@@ -70,30 +69,6 @@ static struct appldata_mem_data {
} __attribute__((packed)) appldata_mem_data;
-static inline void appldata_debug_print(struct appldata_mem_data *mem_data)
-{
- P_DEBUG("--- MEM - RECORD ---\n");
- P_DEBUG("pgpgin = %8lu KB\n", mem_data->pgpgin);
- P_DEBUG("pgpgout = %8lu KB\n", mem_data->pgpgout);
- P_DEBUG("pswpin = %8lu Pages\n", mem_data->pswpin);
- P_DEBUG("pswpout = %8lu Pages\n", mem_data->pswpout);
- P_DEBUG("pgalloc = %8lu \n", mem_data->pgalloc);
- P_DEBUG("pgfault = %8lu \n", mem_data->pgfault);
- P_DEBUG("pgmajfault = %8lu \n", mem_data->pgmajfault);
- P_DEBUG("sharedram = %8lu KB\n", mem_data->sharedram);
- P_DEBUG("totalram = %8lu KB\n", mem_data->totalram);
- P_DEBUG("freeram = %8lu KB\n", mem_data->freeram);
- P_DEBUG("totalhigh = %8lu KB\n", mem_data->totalhigh);
- P_DEBUG("freehigh = %8lu KB\n", mem_data->freehigh);
- P_DEBUG("bufferram = %8lu KB\n", mem_data->bufferram);
- P_DEBUG("cached = %8lu KB\n", mem_data->cached);
- P_DEBUG("totalswap = %8lu KB\n", mem_data->totalswap);
- P_DEBUG("freeswap = %8lu KB\n", mem_data->freeswap);
- P_DEBUG("sync_count_1 = %u\n", mem_data->sync_count_1);
- P_DEBUG("sync_count_2 = %u\n", mem_data->sync_count_2);
- P_DEBUG("timestamp = %lX\n", mem_data->timestamp);
-}
-
/*
* appldata_get_mem_data()
*
@@ -140,9 +115,6 @@ static void appldata_get_mem_data(void *data)
mem_data->timestamp = get_clock();
mem_data->sync_count_2++;
-#ifdef APPLDATA_DEBUG
- appldata_debug_print(mem_data);
-#endif
}
@@ -164,17 +136,7 @@ static struct appldata_ops ops = {
*/
static int __init appldata_mem_init(void)
{
- int rc;
-
- P_DEBUG("sizeof(mem) = %lu\n", sizeof(struct appldata_mem_data));
-
- rc = appldata_register_ops(&ops);
- if (rc != 0) {
- P_ERROR("Error registering ops, rc = %i\n", rc);
- } else {
- P_DEBUG("%s-ops registered!\n", ops.name);
- }
- return rc;
+ return appldata_register_ops(&ops);
}
/*
@@ -185,7 +147,6 @@ static int __init appldata_mem_init(void)
static void __exit appldata_mem_exit(void)
{
appldata_unregister_ops(&ops);
- P_DEBUG("%s-ops unregistered!\n", ops.name);
}
diff --git a/arch/s390/appldata/appldata_net_sum.c b/arch/s390/appldata/appldata_net_sum.c
index 4d834433600..3b746556e1a 100644
--- a/arch/s390/appldata/appldata_net_sum.c
+++ b/arch/s390/appldata/appldata_net_sum.c
@@ -21,9 +21,6 @@
#include "appldata.h"
-#define MY_PRINT_NAME "appldata_net_sum" /* for debug messages, etc. */
-
-
/*
* Network data
*
@@ -60,26 +57,6 @@ static struct appldata_net_sum_data {
} __attribute__((packed)) appldata_net_sum_data;
-static inline void appldata_print_debug(struct appldata_net_sum_data *net_data)
-{
- P_DEBUG("--- NET - RECORD ---\n");
-
- P_DEBUG("nr_interfaces = %u\n", net_data->nr_interfaces);
- P_DEBUG("rx_packets = %8lu\n", net_data->rx_packets);
- P_DEBUG("tx_packets = %8lu\n", net_data->tx_packets);
- P_DEBUG("rx_bytes = %8lu\n", net_data->rx_bytes);
- P_DEBUG("tx_bytes = %8lu\n", net_data->tx_bytes);
- P_DEBUG("rx_errors = %8lu\n", net_data->rx_errors);
- P_DEBUG("tx_errors = %8lu\n", net_data->tx_errors);
- P_DEBUG("rx_dropped = %8lu\n", net_data->rx_dropped);
- P_DEBUG("tx_dropped = %8lu\n", net_data->tx_dropped);
- P_DEBUG("collisions = %8lu\n", net_data->collisions);
-
- P_DEBUG("sync_count_1 = %u\n", net_data->sync_count_1);
- P_DEBUG("sync_count_2 = %u\n", net_data->sync_count_2);
- P_DEBUG("timestamp = %lX\n", net_data->timestamp);
-}
-
/*
* appldata_get_net_sum_data()
*
@@ -135,9 +112,6 @@ static void appldata_get_net_sum_data(void *data)
net_data->timestamp = get_clock();
net_data->sync_count_2++;
-#ifdef APPLDATA_DEBUG
- appldata_print_debug(net_data);
-#endif
}
@@ -159,17 +133,7 @@ static struct appldata_ops ops = {
*/
static int __init appldata_net_init(void)
{
- int rc;
-
- P_DEBUG("sizeof(net) = %lu\n", sizeof(struct appldata_net_sum_data));
-
- rc = appldata_register_ops(&ops);
- if (rc != 0) {
- P_ERROR("Error registering ops, rc = %i\n", rc);
- } else {
- P_DEBUG("%s-ops registered!\n", ops.name);
- }
- return rc;
+ return appldata_register_ops(&ops);
}
/*
@@ -180,7 +144,6 @@ static int __init appldata_net_init(void)
static void __exit appldata_net_exit(void)
{
appldata_unregister_ops(&ops);
- P_DEBUG("%s-ops unregistered!\n", ops.name);
}
diff --git a/arch/s390/appldata/appldata_os.c b/arch/s390/appldata/appldata_os.c
index 6b3eafe1045..eb44f9f8ab9 100644
--- a/arch/s390/appldata/appldata_os.c
+++ b/arch/s390/appldata/appldata_os.c
@@ -89,44 +89,6 @@ static struct appldata_ops ops = {
};
-static inline void appldata_print_debug(struct appldata_os_data *os_data)
-{
- int a0, a1, a2, i;
-
- P_DEBUG("--- OS - RECORD ---\n");
- P_DEBUG("nr_threads = %u\n", os_data->nr_threads);
- P_DEBUG("nr_running = %u\n", os_data->nr_running);
- P_DEBUG("nr_iowait = %u\n", os_data->nr_iowait);
- P_DEBUG("avenrun(int) = %8x / %8x / %8x\n", os_data->avenrun[0],
- os_data->avenrun[1], os_data->avenrun[2]);
- a0 = os_data->avenrun[0];
- a1 = os_data->avenrun[1];
- a2 = os_data->avenrun[2];
- P_DEBUG("avenrun(float) = %d.%02d / %d.%02d / %d.%02d\n",
- LOAD_INT(a0), LOAD_FRAC(a0), LOAD_INT(a1), LOAD_FRAC(a1),
- LOAD_INT(a2), LOAD_FRAC(a2));
-
- P_DEBUG("nr_cpus = %u\n", os_data->nr_cpus);
- for (i = 0; i < os_data->nr_cpus; i++) {
- P_DEBUG("cpu%u : user = %u, nice = %u, system = %u, "
- "idle = %u, irq = %u, softirq = %u, iowait = %u, "
- "steal = %u\n",
- os_data->os_cpu[i].cpu_id,
- os_data->os_cpu[i].per_cpu_user,
- os_data->os_cpu[i].per_cpu_nice,
- os_data->os_cpu[i].per_cpu_system,
- os_data->os_cpu[i].per_cpu_idle,
- os_data->os_cpu[i].per_cpu_irq,
- os_data->os_cpu[i].per_cpu_softirq,
- os_data->os_cpu[i].per_cpu_iowait,
- os_data->os_cpu[i].per_cpu_steal);
- }
-
- P_DEBUG("sync_count_1 = %u\n", os_data->sync_count_1);
- P_DEBUG("sync_count_2 = %u\n", os_data->sync_count_2);
- P_DEBUG("timestamp = %lX\n", os_data->timestamp);
-}
-
/*
* appldata_get_os_data()
*
@@ -180,13 +142,10 @@ static void appldata_get_os_data(void *data)
APPLDATA_START_INTERVAL_REC,
(unsigned long) ops.data, new_size,
ops.mod_lvl);
- if (rc != 0) {
+ if (rc != 0)
P_ERROR("os: START NEW DIAG 0xDC failed, "
"return code: %d, new size = %i\n", rc,
new_size);
- P_INFO("os: stopping old record now\n");
- } else
- P_INFO("os: new record size = %i\n", new_size);
rc = appldata_diag(APPLDATA_RECORD_OS_ID,
APPLDATA_STOP_REC,
@@ -204,9 +163,6 @@ static void appldata_get_os_data(void *data)
}
os_data->timestamp = get_clock();
os_data->sync_count_2++;
-#ifdef APPLDATA_DEBUG
- appldata_print_debug(os_data);
-#endif
}
@@ -227,12 +183,9 @@ static int __init appldata_os_init(void)
rc = -ENOMEM;
goto out;
}
- P_DEBUG("max. sizeof(os) = %i, sizeof(os_cpu) = %lu\n", max_size,
- sizeof(struct appldata_os_per_cpu));
appldata_os_data = kzalloc(max_size, GFP_DMA);
if (appldata_os_data == NULL) {
- P_ERROR("No memory for %s!\n", ops.name);
rc = -ENOMEM;
goto out;
}
@@ -240,17 +193,12 @@ static int __init appldata_os_init(void)
appldata_os_data->per_cpu_size = sizeof(struct appldata_os_per_cpu);
appldata_os_data->cpu_offset = offsetof(struct appldata_os_data,
os_cpu);
- P_DEBUG("cpu offset = %u\n", appldata_os_data->cpu_offset);
ops.data = appldata_os_data;
ops.callback = &appldata_get_os_data;
rc = appldata_register_ops(&ops);
- if (rc != 0) {
- P_ERROR("Error registering ops, rc = %i\n", rc);
+ if (rc != 0)
kfree(appldata_os_data);
- } else {
- P_DEBUG("%s-ops registered!\n", ops.name);
- }
out:
return rc;
}
@@ -264,7 +212,6 @@ static void __exit appldata_os_exit(void)
{
appldata_unregister_ops(&ops);
kfree(appldata_os_data);
- P_DEBUG("%s-ops unregistered!\n", ops.name);
}
diff --git a/arch/s390/crypto/crypt_s390.h b/arch/s390/crypto/crypt_s390.h
index 9992f95ef99..0ef9829f2ad 100644
--- a/arch/s390/crypto/crypt_s390.h
+++ b/arch/s390/crypto/crypt_s390.h
@@ -296,6 +296,10 @@ static inline int crypt_s390_func_available(int func)
unsigned char status[16];
int ret;
+ /* check if CPACF facility (bit 17) is available */
+ if (!(stfl() & 1ULL << (31 - 17)))
+ return 0;
+
switch (func & CRYPT_S390_OP_MASK) {
case CRYPT_S390_KM:
ret = crypt_s390_km(KM_QUERY, &status, NULL, NULL, 0);
diff --git a/arch/s390/crypto/prng.c b/arch/s390/crypto/prng.c
index 0cfefddd837..eca724d229e 100644
--- a/arch/s390/crypto/prng.c
+++ b/arch/s390/crypto/prng.c
@@ -6,6 +6,7 @@
#include <linux/fs.h>
#include <linux/init.h>
#include <linux/kernel.h>
+#include <linux/smp_lock.h>
#include <linux/miscdevice.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
@@ -48,6 +49,7 @@ static unsigned char parm_block[32] = {
static int prng_open(struct inode *inode, struct file *file)
{
+ cycle_kernel_lock();
return nonseekable_open(inode, file);
}
@@ -185,11 +187,8 @@ static int __init prng_init(void)
prng_seed(16);
ret = misc_register(&prng_dev);
- if (ret) {
- printk(KERN_WARNING
- "Could not register misc device for PRNG.\n");
+ if (ret)
goto out_buf;
- }
return 0;
out_buf:
diff --git a/arch/s390/hypfs/inode.c b/arch/s390/hypfs/inode.c
index 4b010ff814c..7383781f3e6 100644
--- a/arch/s390/hypfs/inode.c
+++ b/arch/s390/hypfs/inode.c
@@ -150,33 +150,24 @@ static ssize_t hypfs_aio_read(struct kiocb *iocb, const struct iovec *iov,
unsigned long nr_segs, loff_t offset)
{
char *data;
- size_t len;
+ ssize_t ret;
struct file *filp = iocb->ki_filp;
/* XXX: temporary */
char __user *buf = iov[0].iov_base;
size_t count = iov[0].iov_len;
- if (nr_segs != 1) {
- count = -EINVAL;
- goto out;
- }
+ if (nr_segs != 1)
+ return -EINVAL;
data = filp->private_data;
- len = strlen(data);
- if (offset > len) {
- count = 0;
- goto out;
- }
- if (count > len - offset)
- count = len - offset;
- if (copy_to_user(buf, data + offset, count)) {
- count = -EFAULT;
- goto out;
- }
- iocb->ki_pos += count;
+ ret = simple_read_from_buffer(buf, count, &offset, data, strlen(data));
+ if (ret <= 0)
+ return ret;
+
+ iocb->ki_pos += ret;
file_accessed(filp);
-out:
- return count;
+
+ return ret;
}
static ssize_t hypfs_aio_write(struct kiocb *iocb, const struct iovec *iov,
unsigned long nr_segs, loff_t offset)
diff --git a/arch/s390/kernel/Makefile b/arch/s390/kernel/Makefile
index 6302f508258..50f657e7734 100644
--- a/arch/s390/kernel/Makefile
+++ b/arch/s390/kernel/Makefile
@@ -7,9 +7,14 @@
#
CFLAGS_smp.o := -Wno-nonnull
+#
+# Pass UTS_MACHINE for user_regset definition
+#
+CFLAGS_ptrace.o += -DUTS_MACHINE='"$(UTS_MACHINE)"'
+
obj-y := bitmap.o traps.o time.o process.o base.o early.o \
setup.o sys_s390.o ptrace.o signal.o cpcmd.o ebcdic.o \
- s390_ext.o debug.o irq.o ipl.o dis.o diag.o
+ s390_ext.o debug.o irq.o ipl.o dis.o diag.o mem_detect.o
obj-y += $(if $(CONFIG_64BIT),entry64.o,entry.o)
obj-y += $(if $(CONFIG_64BIT),reipl64.o,reipl.o)
@@ -23,7 +28,7 @@ obj-$(CONFIG_AUDIT) += audit.o
compat-obj-$(CONFIG_AUDIT) += compat_audit.o
obj-$(CONFIG_COMPAT) += compat_linux.o compat_signal.o \
compat_wrapper.o compat_exec_domain.o \
- binfmt_elf32.o $(compat-obj-y)
+ $(compat-obj-y)
obj-$(CONFIG_VIRT_TIMER) += vtime.o
obj-$(CONFIG_STACKTRACE) += stacktrace.o
diff --git a/arch/s390/kernel/binfmt_elf32.c b/arch/s390/kernel/binfmt_elf32.c
deleted file mode 100644
index 3e1c315b736..00000000000
--- a/arch/s390/kernel/binfmt_elf32.c
+++ /dev/null
@@ -1,214 +0,0 @@
-/*
- * Support for 32-bit Linux for S390 ELF binaries.
- *
- * Copyright (C) 2000 IBM Deutschland Entwicklung GmbH, IBM Corporation
- * Author(s): Gerhard Tonn (ton@de.ibm.com)
- *
- * Heavily inspired by the 32-bit Sparc compat code which is
- * Copyright (C) 1995, 1996, 1997, 1998 David S. Miller (davem@redhat.com)
- * Copyright (C) 1995, 1996, 1997, 1998 Jakub Jelinek (jj@ultra.linux.cz)
- */
-
-#define __ASMS390_ELF_H
-
-#include <linux/time.h>
-
-/*
- * These are used to set parameters in the core dumps.
- */
-#define ELF_CLASS ELFCLASS32
-#define ELF_DATA ELFDATA2MSB
-#define ELF_ARCH EM_S390
-
-/*
- * This is used to ensure we don't load something for the wrong architecture.
- */
-#define elf_check_arch(x) \
- (((x)->e_machine == EM_S390 || (x)->e_machine == EM_S390_OLD) \
- && (x)->e_ident[EI_CLASS] == ELF_CLASS)
-
-/* ELF register definitions */
-#define NUM_GPRS 16
-#define NUM_FPRS 16
-#define NUM_ACRS 16
-
-/* For SVR4/S390 the function pointer to be registered with `atexit` is
- passed in R14. */
-#define ELF_PLAT_INIT(_r, load_addr) \
- do { \
- _r->gprs[14] = 0; \
- } while(0)
-
-#define USE_ELF_CORE_DUMP
-#define ELF_EXEC_PAGESIZE 4096
-
-/* This is the location that an ET_DYN program is loaded if exec'ed. Typical
- use of this is to invoke "./ld.so someprog" to test out a new version of
- the loader. We need to make sure that it is out of the way of the program
- that it will "exec", and that there is sufficient room for the brk. */
-
-#define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2)
-
-/* Wow, the "main" arch needs arch dependent functions too.. :) */
-
-/* regs is struct pt_regs, pr_reg is elf_gregset_t (which is
- now struct_user_regs, they are different) */
-
-#define ELF_CORE_COPY_REGS(pr_reg, regs) dump_regs32(regs, &pr_reg);
-
-#define ELF_CORE_COPY_TASK_REGS(tsk, regs) dump_task_regs32(tsk, regs)
-
-#define ELF_CORE_COPY_FPREGS(tsk, fpregs) dump_task_fpu(tsk, fpregs)
-
-/* This yields a mask that user programs can use to figure out what
- instruction set this CPU supports. */
-
-#define ELF_HWCAP (0)
-
-/* This yields a string that ld.so will use to load implementation
- specific libraries for optimization. This is more specific in
- intent than poking at uname or /proc/cpuinfo.
-
- For the moment, we have only optimizations for the Intel generations,
- but that could change... */
-
-#define ELF_PLATFORM (NULL)
-
-#define SET_PERSONALITY(ex, ibcs2) \
-do { \
- if (ibcs2) \
- set_personality(PER_SVR4); \
- else if (current->personality != PER_LINUX32) \
- set_personality(PER_LINUX); \
- set_thread_flag(TIF_31BIT); \
-} while (0)
-
-#include "compat_linux.h"
-
-typedef _s390_fp_regs32 elf_fpregset_t;
-
-typedef struct
-{
-
- _psw_t32 psw;
- __u32 gprs[__NUM_GPRS];
- __u32 acrs[__NUM_ACRS];
- __u32 orig_gpr2;
-} s390_regs32;
-typedef s390_regs32 elf_gregset_t;
-
-static inline int dump_regs32(struct pt_regs *ptregs, elf_gregset_t *regs)
-{
- int i;
-
- memcpy(&regs->psw.mask, &ptregs->psw.mask, 4);
- memcpy(&regs->psw.addr, (char *)&ptregs->psw.addr + 4, 4);
- for (i = 0; i < NUM_GPRS; i++)
- regs->gprs[i] = ptregs->gprs[i];
- save_access_regs(regs->acrs);
- regs->orig_gpr2 = ptregs->orig_gpr2;
- return 1;
-}
-
-static inline int dump_task_regs32(struct task_struct *tsk, elf_gregset_t *regs)
-{
- struct pt_regs *ptregs = task_pt_regs(tsk);
- int i;
-
- memcpy(&regs->psw.mask, &ptregs->psw.mask, 4);
- memcpy(&regs->psw.addr, (char *)&ptregs->psw.addr + 4, 4);
- for (i = 0; i < NUM_GPRS; i++)
- regs->gprs[i] = ptregs->gprs[i];
- memcpy(regs->acrs, tsk->thread.acrs, sizeof(regs->acrs));
- regs->orig_gpr2 = ptregs->orig_gpr2;
- return 1;
-}
-
-static inline int dump_task_fpu(struct task_struct *tsk, elf_fpregset_t *fpregs)
-{
- if (tsk == current)
- save_fp_regs((s390_fp_regs *) fpregs);
- else
- memcpy(fpregs, &tsk->thread.fp_regs, sizeof(elf_fpregset_t));
- return 1;
-}
-
-#include <asm/processor.h>
-#include <asm/pgalloc.h>
-#include <linux/module.h>
-#include <linux/elfcore.h>
-#include <linux/binfmts.h>
-#include <linux/compat.h>
-
-#define elf_prstatus elf_prstatus32
-struct elf_prstatus32
-{
- struct elf_siginfo pr_info; /* Info associated with signal */
- short pr_cursig; /* Current signal */
- u32 pr_sigpend; /* Set of pending signals */
- u32 pr_sighold; /* Set of held signals */
- pid_t pr_pid;
- pid_t pr_ppid;
- pid_t pr_pgrp;
- pid_t pr_sid;
- struct compat_timeval pr_utime; /* User time */
- struct compat_timeval pr_stime; /* System time */
- struct compat_timeval pr_cutime; /* Cumulative user time */
- struct compat_timeval pr_cstime; /* Cumulative system time */
- elf_gregset_t pr_reg; /* GP registers */
- int pr_fpvalid; /* True if math co-processor being used. */
-};
-
-#define elf_prpsinfo elf_prpsinfo32
-struct elf_prpsinfo32
-{
- char pr_state; /* numeric process state */
- char pr_sname; /* char for pr_state */
- char pr_zomb; /* zombie */
- char pr_nice; /* nice val */
- u32 pr_flag; /* flags */
- u16 pr_uid;
- u16 pr_gid;
- pid_t pr_pid, pr_ppid, pr_pgrp, pr_sid;
- /* Lots missing */
- char pr_fname[16]; /* filename of executable */
- char pr_psargs[ELF_PRARGSZ]; /* initial part of arg list */
-};
-
-#include <linux/highuid.h>
-
-/*
-#define init_elf_binfmt init_elf32_binfmt
-*/
-
-#undef start_thread
-#define start_thread start_thread31
-
-static inline void start_thread31(struct pt_regs *regs, unsigned long new_psw,
- unsigned long new_stackp)
-{
- set_fs(USER_DS);
- regs->psw.mask = psw_user32_bits;
- regs->psw.addr = new_psw;
- regs->gprs[15] = new_stackp;
- crst_table_downgrade(current->mm, 1UL << 31);
-}
-
-MODULE_DESCRIPTION("Binary format loader for compatibility with 32bit Linux for S390 binaries,"
- " Copyright 2000 IBM Corporation");
-MODULE_AUTHOR("Gerhard Tonn <ton@de.ibm.com>");
-
-#undef MODULE_DESCRIPTION
-#undef MODULE_AUTHOR
-
-#undef cputime_to_timeval
-#define cputime_to_timeval cputime_to_compat_timeval
-static inline void
-cputime_to_compat_timeval(const cputime_t cputime, struct compat_timeval *value)
-{
- value->tv_usec = cputime % 1000000;
- value->tv_sec = cputime / 1000000;
-}
-
-#include "../../../fs/binfmt_elf.c"
-
diff --git a/arch/s390/kernel/compat_ptrace.h b/arch/s390/kernel/compat_ptrace.h
index 419aef913ee..cde81fa64f8 100644
--- a/arch/s390/kernel/compat_ptrace.h
+++ b/arch/s390/kernel/compat_ptrace.h
@@ -1,7 +1,7 @@
#ifndef _PTRACE32_H
#define _PTRACE32_H
-#include "compat_linux.h" /* needed for _psw_t32 */
+#include "compat_linux.h" /* needed for psw_compat_t */
typedef struct {
__u32 cr[3];
@@ -38,7 +38,7 @@ typedef struct {
struct user_regs_struct32
{
- _psw_t32 psw;
+ psw_compat_t psw;
u32 gprs[NUM_GPRS];
u32 acrs[NUM_ACRS];
u32 orig_gpr2;
diff --git a/arch/s390/kernel/debug.c b/arch/s390/kernel/debug.c
index c93d1296cc0..d80fcd4a7fe 100644
--- a/arch/s390/kernel/debug.c
+++ b/arch/s390/kernel/debug.c
@@ -1079,7 +1079,6 @@ __init debug_init(void)
s390dbf_sysctl_header = register_sysctl_table(s390dbf_dir_table);
mutex_lock(&debug_mutex);
debug_debugfs_root_entry = debugfs_create_dir(DEBUG_DIR_ROOT,NULL);
- printk(KERN_INFO "debug: Initialization complete\n");
initialized = 1;
mutex_unlock(&debug_mutex);
@@ -1193,7 +1192,6 @@ debug_get_uint(char *buf)
for(; isspace(*buf); buf++);
rc = simple_strtoul(buf, &buf, 10);
if(*buf){
- printk("debug: no integer specified!\n");
rc = -EINVAL;
}
return rc;
@@ -1340,19 +1338,12 @@ static void debug_flush(debug_info_t* id, int area)
memset(id->areas[i][j], 0, PAGE_SIZE);
}
}
- printk(KERN_INFO "debug: %s: all areas flushed\n",id->name);
} else if(area >= 0 && area < id->nr_areas) {
id->active_entries[area] = 0;
id->active_pages[area] = 0;
for(i = 0; i < id->pages_per_area; i++) {
memset(id->areas[area][i],0,PAGE_SIZE);
}
- printk(KERN_INFO "debug: %s: area %i has been flushed\n",
- id->name, area);
- } else {
- printk(KERN_INFO
- "debug: %s: area %i cannot be flushed (range: %i - %i)\n",
- id->name, area, 0, id->nr_areas-1);
}
spin_unlock_irqrestore(&id->lock,flags);
}
diff --git a/arch/s390/kernel/early.c b/arch/s390/kernel/early.c
index d0e09684b9c..2a2ca268b1d 100644
--- a/arch/s390/kernel/early.c
+++ b/arch/s390/kernel/early.c
@@ -14,6 +14,7 @@
#include <linux/module.h>
#include <linux/pfn.h>
#include <linux/uaccess.h>
+#include <asm/ebcdic.h>
#include <asm/ipl.h>
#include <asm/lowcore.h>
#include <asm/processor.h>
@@ -26,12 +27,40 @@
/*
* Create a Kernel NSS if the SAVESYS= parameter is defined
*/
-#define DEFSYS_CMD_SIZE 96
+#define DEFSYS_CMD_SIZE 128
#define SAVESYS_CMD_SIZE 32
char kernel_nss_name[NSS_NAME_SIZE + 1];
+static void __init setup_boot_command_line(void);
+
+
#ifdef CONFIG_SHARED_KERNEL
+int __init savesys_ipl_nss(char *cmd, const int cmdlen);
+
+asm(
+ " .section .init.text,\"ax\",@progbits\n"
+ " .align 4\n"
+ " .type savesys_ipl_nss, @function\n"
+ "savesys_ipl_nss:\n"
+#ifdef CONFIG_64BIT
+ " stmg 6,15,48(15)\n"
+ " lgr 14,3\n"
+ " sam31\n"
+ " diag 2,14,0x8\n"
+ " sam64\n"
+ " lgr 2,14\n"
+ " lmg 6,15,48(15)\n"
+#else
+ " stm 6,15,24(15)\n"
+ " lr 14,3\n"
+ " diag 2,14,0x8\n"
+ " lr 2,14\n"
+ " lm 6,15,24(15)\n"
+#endif
+ " br 14\n"
+ " .size savesys_ipl_nss, .-savesys_ipl_nss\n");
+
static noinline __init void create_kernel_nss(void)
{
unsigned int i, stext_pfn, eshared_pfn, end_pfn, min_size;
@@ -39,6 +68,7 @@ static noinline __init void create_kernel_nss(void)
unsigned int sinitrd_pfn, einitrd_pfn;
#endif
int response;
+ size_t len;
char *savesys_ptr;
char upper_command_line[COMMAND_LINE_SIZE];
char defsys_cmd[DEFSYS_CMD_SIZE];
@@ -49,8 +79,8 @@ static noinline __init void create_kernel_nss(void)
return;
/* Convert COMMAND_LINE to upper case */
- for (i = 0; i < strlen(COMMAND_LINE); i++)
- upper_command_line[i] = toupper(COMMAND_LINE[i]);
+ for (i = 0; i < strlen(boot_command_line); i++)
+ upper_command_line[i] = toupper(boot_command_line[i]);
savesys_ptr = strstr(upper_command_line, "SAVESYS=");
@@ -83,7 +113,8 @@ static noinline __init void create_kernel_nss(void)
}
#endif
- sprintf(defsys_cmd, "%s EW MINSIZE=%.7iK", defsys_cmd, min_size);
+ sprintf(defsys_cmd, "%s EW MINSIZE=%.7iK PARMREGS=0-13",
+ defsys_cmd, min_size);
sprintf(savesys_cmd, "SAVESYS %s \n IPL %s",
kernel_nss_name, kernel_nss_name);
@@ -94,13 +125,24 @@ static noinline __init void create_kernel_nss(void)
return;
}
- __cpcmd(savesys_cmd, NULL, 0, &response);
+ len = strlen(savesys_cmd);
+ ASCEBC(savesys_cmd, len);
+ response = savesys_ipl_nss(savesys_cmd, len);
- if (response != strlen(savesys_cmd)) {
+ /* On success: response is equal to the command size,
+ * max SAVESYS_CMD_SIZE
+ * On error: response contains the numeric portion of cp error message.
+ * for SAVESYS it will be >= 263
+ */
+ if (response > SAVESYS_CMD_SIZE) {
kernel_nss_name[0] = '\0';
return;
}
+ /* re-setup boot command line with new ipl vm parms */
+ ipl_update_parameters();
+ setup_boot_command_line();
+
ipl_flags = IPL_NSS_VALID;
}
@@ -141,109 +183,11 @@ static noinline __init void detect_machine_type(void)
if (cpuinfo->cpu_id.version == 0xff)
machine_flags |= MACHINE_FLAG_VM;
- /* Running on a P/390 ? */
- if (cpuinfo->cpu_id.machine == 0x7490)
- machine_flags |= MACHINE_FLAG_P390;
-
/* Running under KVM ? */
if (cpuinfo->cpu_id.version == 0xfe)
machine_flags |= MACHINE_FLAG_KVM;
}
-#ifdef CONFIG_64BIT
-static noinline __init int memory_fast_detect(void)
-{
- unsigned long val0 = 0;
- unsigned long val1 = 0xc;
- int ret = -ENOSYS;
-
- if (ipl_flags & IPL_NSS_VALID)
- return -ENOSYS;
-
- asm volatile(
- " diag %1,%2,0x260\n"
- "0: lhi %0,0\n"
- "1:\n"
- EX_TABLE(0b,1b)
- : "+d" (ret), "+d" (val0), "+d" (val1) : : "cc");
-
- if (ret || val0 != val1)
- return -ENOSYS;
-
- memory_chunk[0].size = val0 + 1;
- return 0;
-}
-#else
-static inline int memory_fast_detect(void)
-{
- return -ENOSYS;
-}
-#endif
-
-static inline __init unsigned long __tprot(unsigned long addr)
-{
- int cc = -1;
-
- asm volatile(
- " tprot 0(%1),0\n"
- "0: ipm %0\n"
- " srl %0,28\n"
- "1:\n"
- EX_TABLE(0b,1b)
- : "+d" (cc) : "a" (addr) : "cc");
- return (unsigned long)cc;
-}
-
-/* Checking memory in 128KB increments. */
-#define CHUNK_INCR (1UL << 17)
-#define ADDR2G (1UL << 31)
-
-static noinline __init void find_memory_chunks(unsigned long memsize)
-{
- unsigned long addr = 0, old_addr = 0;
- unsigned long old_cc = CHUNK_READ_WRITE;
- unsigned long cc;
- int chunk = 0;
-
- while (chunk < MEMORY_CHUNKS) {
- cc = __tprot(addr);
- while (cc == old_cc) {
- addr += CHUNK_INCR;
- if (memsize && addr >= memsize)
- break;
-#ifndef CONFIG_64BIT
- if (addr == ADDR2G)
- break;
-#endif
- cc = __tprot(addr);
- }
-
- if (old_addr != addr &&
- (old_cc == CHUNK_READ_WRITE || old_cc == CHUNK_READ_ONLY)) {
- memory_chunk[chunk].addr = old_addr;
- memory_chunk[chunk].size = addr - old_addr;
- memory_chunk[chunk].type = old_cc;
- chunk++;
- }
-
- old_addr = addr;
- old_cc = cc;
-
-#ifndef CONFIG_64BIT
- if (addr == ADDR2G)
- break;
-#endif
- /*
- * Finish memory detection at the first hole
- * if storage size is unknown.
- */
- if (cc == -1UL && !memsize)
- break;
- if (memsize && addr >= memsize)
- break;
- }
-}
-
static __init void early_pgm_check_handler(void)
{
unsigned long addr;
@@ -380,23 +324,61 @@ static __init void detect_machine_facilities(void)
#endif
}
+static __init void rescue_initrd(void)
+{
+#ifdef CONFIG_BLK_DEV_INITRD
+ /*
+ * Move the initrd right behind the bss section in case it starts
+ * within the bss section. So we don't overwrite it when the bss
+ * section gets cleared.
+ */
+ if (!INITRD_START || !INITRD_SIZE)
+ return;
+ if (INITRD_START >= (unsigned long) __bss_stop)
+ return;
+ memmove(__bss_stop, (void *) INITRD_START, INITRD_SIZE);
+ INITRD_START = (unsigned long) __bss_stop;
+#endif
+}
+
+/* Set up boot command line */
+static void __init setup_boot_command_line(void)
+{
+ char *parm = NULL;
+
+ /* copy arch command line */
+ strlcpy(boot_command_line, COMMAND_LINE, ARCH_COMMAND_LINE_SIZE);
+ boot_command_line[ARCH_COMMAND_LINE_SIZE - 1] = 0;
+
+ /* append IPL PARM data to the boot command line */
+ if (MACHINE_IS_VM) {
+ parm = boot_command_line + strlen(boot_command_line);
+ *parm++ = ' ';
+ get_ipl_vmparm(parm);
+ if (parm[0] == '=')
+ memmove(boot_command_line, parm + 1, strlen(parm));
+ }
+}
+
+
/*
* Save ipl parameters, clear bss memory, initialize storage keys
* and create a kernel NSS at startup if the SAVESYS= parm is defined
*/
void __init startup_init(void)
{
- unsigned long long memsize;
-
ipl_save_parameters();
+ rescue_initrd();
clear_bss_section();
init_kernel_storage_key();
lockdep_init();
lockdep_off();
- detect_machine_type();
- create_kernel_nss();
sort_main_extable();
setup_lowcore_early();
+ detect_machine_type();
+ ipl_update_parameters();
+ setup_boot_command_line();
+ create_kernel_nss();
detect_mvpg();
detect_ieee();
detect_csp();
@@ -404,18 +386,7 @@ void __init startup_init(void)
detect_diag44();
detect_machine_facilities();
setup_hpage();
- sclp_read_info_early();
sclp_facilities_detect();
- memsize = sclp_memory_detect();
-#ifndef CONFIG_64BIT
- /*
- * Can't deal with more than 2G in 31 bit addressing mode, so
- * limit the value in order to avoid strange side effects.
- */
- if (memsize > ADDR2G)
- memsize = ADDR2G;
-#endif
- if (memory_fast_detect() < 0)
- find_memory_chunks((unsigned long) memsize);
+ detect_memory_layout(memory_chunk);
lockdep_on();
}
diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c
index 532542447d6..54b2779b5e2 100644
--- a/arch/s390/kernel/ipl.c
+++ b/arch/s390/kernel/ipl.c
@@ -14,6 +14,7 @@
#include <linux/delay.h>
#include <linux/reboot.h>
#include <linux/ctype.h>
+#include <linux/fs.h>
#include <asm/ipl.h>
#include <asm/smp.h>
#include <asm/setup.h>
@@ -22,6 +23,7 @@
#include <asm/ebcdic.h>
#include <asm/reset.h>
#include <asm/sclp.h>
+#include <asm/setup.h>
#define IPL_PARM_BLOCK_VERSION 0
@@ -121,6 +123,7 @@ enum ipl_method {
REIPL_METHOD_FCP_RO_VM,
REIPL_METHOD_FCP_DUMP,
REIPL_METHOD_NSS,
+ REIPL_METHOD_NSS_DIAG,
REIPL_METHOD_DEFAULT,
};
@@ -134,14 +137,15 @@ enum dump_method {
static int diag308_set_works = 0;
+static struct ipl_parameter_block ipl_block;
+
static int reipl_capabilities = IPL_TYPE_UNKNOWN;
static enum ipl_type reipl_type = IPL_TYPE_UNKNOWN;
static enum ipl_method reipl_method = REIPL_METHOD_DEFAULT;
static struct ipl_parameter_block *reipl_block_fcp;
static struct ipl_parameter_block *reipl_block_ccw;
-
-static char reipl_nss_name[NSS_NAME_SIZE + 1];
+static struct ipl_parameter_block *reipl_block_nss;
static int dump_capabilities = DUMP_TYPE_NONE;
static enum dump_type dump_type = DUMP_TYPE_NONE;
@@ -263,6 +267,56 @@ static ssize_t ipl_type_show(struct kobject *kobj, struct kobj_attribute *attr,
static struct kobj_attribute sys_ipl_type_attr = __ATTR_RO(ipl_type);
+/* VM IPL PARM routines */
+static void reipl_get_ascii_vmparm(char *dest,
+ const struct ipl_parameter_block *ipb)
+{
+ int i;
+ int len = 0;
+ char has_lowercase = 0;
+
+ if ((ipb->ipl_info.ccw.vm_flags & DIAG308_VM_FLAGS_VP_VALID) &&
+ (ipb->ipl_info.ccw.vm_parm_len > 0)) {
+
+ len = ipb->ipl_info.ccw.vm_parm_len;
+ memcpy(dest, ipb->ipl_info.ccw.vm_parm, len);
+ /* If at least one character is lowercase, we assume mixed
+ * case; otherwise we convert everything to lowercase.
+ */
+ for (i = 0; i < len; i++)
+ if ((dest[i] > 0x80 && dest[i] < 0x8a) || /* a-i */
+ (dest[i] > 0x90 && dest[i] < 0x9a) || /* j-r */
+ (dest[i] > 0xa1 && dest[i] < 0xaa)) { /* s-z */
+ has_lowercase = 1;
+ break;
+ }
+ if (!has_lowercase)
+ EBC_TOLOWER(dest, len);
+ EBCASC(dest, len);
+ }
+ dest[len] = 0;
+}
+
+void get_ipl_vmparm(char *dest)
+{
+ if (diag308_set_works && (ipl_block.hdr.pbt == DIAG308_IPL_TYPE_CCW))
+ reipl_get_ascii_vmparm(dest, &ipl_block);
+ else
+ dest[0] = 0;
+}
+
+static ssize_t ipl_vm_parm_show(struct kobject *kobj,
+ struct kobj_attribute *attr, char *page)
+{
+ char parm[DIAG308_VMPARM_SIZE + 1] = {};
+
+ get_ipl_vmparm(parm);
+ return sprintf(page, "%s\n", parm);
+}
+
+static struct kobj_attribute sys_ipl_vm_parm_attr =
+ __ATTR(parm, S_IRUGO, ipl_vm_parm_show, NULL);
+
static ssize_t sys_ipl_device_show(struct kobject *kobj,
struct kobj_attribute *attr, char *page)
{
@@ -285,14 +339,8 @@ static struct kobj_attribute sys_ipl_device_attr =
static ssize_t ipl_parameter_read(struct kobject *kobj, struct bin_attribute *attr,
char *buf, loff_t off, size_t count)
{
- unsigned int size = IPL_PARMBLOCK_SIZE;
-
- if (off > size)
- return 0;
- if (off + count > size)
- count = size - off;
- memcpy(buf, (void *)IPL_PARMBLOCK_START + off, count);
- return count;
+ return memory_read_from_buffer(buf, count, &off, IPL_PARMBLOCK_START,
+ IPL_PARMBLOCK_SIZE);
}
static struct bin_attribute ipl_parameter_attr = {
@@ -310,12 +358,7 @@ static ssize_t ipl_scp_data_read(struct kobject *kobj, struct bin_attribute *att
unsigned int size = IPL_PARMBLOCK_START->ipl_info.fcp.scp_data_len;
void *scp_data = &IPL_PARMBLOCK_START->ipl_info.fcp.scp_data;
- if (off > size)
- return 0;
- if (off + count > size)
- count = size - off;
- memcpy(buf, scp_data + off, count);
- return count;
+ return memory_read_from_buffer(buf, count, &off, scp_data, size);
}
static struct bin_attribute ipl_scp_data_attr = {
@@ -370,15 +413,27 @@ static ssize_t ipl_ccw_loadparm_show(struct kobject *kobj,
static struct kobj_attribute sys_ipl_ccw_loadparm_attr =
__ATTR(loadparm, 0444, ipl_ccw_loadparm_show, NULL);
-static struct attribute *ipl_ccw_attrs[] = {
+static struct attribute *ipl_ccw_attrs_vm[] = {
&sys_ipl_type_attr.attr,
&sys_ipl_device_attr.attr,
&sys_ipl_ccw_loadparm_attr.attr,
+ &sys_ipl_vm_parm_attr.attr,
NULL,
};
-static struct attribute_group ipl_ccw_attr_group = {
- .attrs = ipl_ccw_attrs,
+static struct attribute *ipl_ccw_attrs_lpar[] = {
+ &sys_ipl_type_attr.attr,
+ &sys_ipl_device_attr.attr,
+ &sys_ipl_ccw_loadparm_attr.attr,
+ NULL,
+};
+
+static struct attribute_group ipl_ccw_attr_group_vm = {
+ .attrs = ipl_ccw_attrs_vm,
+};
+
+static struct attribute_group ipl_ccw_attr_group_lpar = {
+ .attrs = ipl_ccw_attrs_lpar
};
/* NSS ipl device attributes */
@@ -388,6 +443,8 @@ DEFINE_IPL_ATTR_RO(ipl_nss, name, "%s\n", kernel_nss_name);
static struct attribute *ipl_nss_attrs[] = {
&sys_ipl_type_attr.attr,
&sys_ipl_nss_name_attr.attr,
+ &sys_ipl_ccw_loadparm_attr.attr,
+ &sys_ipl_vm_parm_attr.attr,
NULL,
};
@@ -450,7 +507,12 @@ static int __init ipl_init(void)
}
switch (ipl_info.type) {
case IPL_TYPE_CCW:
- rc = sysfs_create_group(&ipl_kset->kobj, &ipl_ccw_attr_group);
+ if (MACHINE_IS_VM)
+ rc = sysfs_create_group(&ipl_kset->kobj,
+ &ipl_ccw_attr_group_vm);
+ else
+ rc = sysfs_create_group(&ipl_kset->kobj,
+ &ipl_ccw_attr_group_lpar);
break;
case IPL_TYPE_FCP:
case IPL_TYPE_FCP_DUMP:
@@ -481,6 +543,83 @@ static struct shutdown_action __refdata ipl_action = {
* reipl shutdown action: Reboot Linux on shutdown.
*/
+/* VM IPL PARM attributes */
+static ssize_t reipl_generic_vmparm_show(struct ipl_parameter_block *ipb,
+ char *page)
+{
+ char vmparm[DIAG308_VMPARM_SIZE + 1] = {};
+
+ reipl_get_ascii_vmparm(vmparm, ipb);
+ return sprintf(page, "%s\n", vmparm);
+}
+
+static ssize_t reipl_generic_vmparm_store(struct ipl_parameter_block *ipb,
+ size_t vmparm_max,
+ const char *buf, size_t len)
+{
+ int i, ip_len;
+
+ /* ignore trailing newline */
+ ip_len = len;
+ if ((len > 0) && (buf[len - 1] == '\n'))
+ ip_len--;
+
+ if (ip_len > vmparm_max)
+ return -EINVAL;
+
+ /* parm is used to store kernel options, check for common chars */
+ for (i = 0; i < ip_len; i++)
+ if (!(isalnum(buf[i]) || isascii(buf[i]) || isprint(buf[i])))
+ return -EINVAL;
+
+ memset(ipb->ipl_info.ccw.vm_parm, 0, DIAG308_VMPARM_SIZE);
+ ipb->ipl_info.ccw.vm_parm_len = ip_len;
+ if (ip_len > 0) {
+ ipb->ipl_info.ccw.vm_flags |= DIAG308_VM_FLAGS_VP_VALID;
+ memcpy(ipb->ipl_info.ccw.vm_parm, buf, ip_len);
+ ASCEBC(ipb->ipl_info.ccw.vm_parm, ip_len);
+ } else {
+ ipb->ipl_info.ccw.vm_flags &= ~DIAG308_VM_FLAGS_VP_VALID;
+ }
+
+ return len;
+}
+
+/* NSS wrapper */
+static ssize_t reipl_nss_vmparm_show(struct kobject *kobj,
+ struct kobj_attribute *attr, char *page)
+{
+ return reipl_generic_vmparm_show(reipl_block_nss, page);
+}
+
+static ssize_t reipl_nss_vmparm_store(struct kobject *kobj,
+ struct kobj_attribute *attr,
+ const char *buf, size_t len)
+{
+ return reipl_generic_vmparm_store(reipl_block_nss, 56, buf, len);
+}
+
+/* CCW wrapper */
+static ssize_t reipl_ccw_vmparm_show(struct kobject *kobj,
+ struct kobj_attribute *attr, char *page)
+{
+ return reipl_generic_vmparm_show(reipl_block_ccw, page);
+}
+
+static ssize_t reipl_ccw_vmparm_store(struct kobject *kobj,
+ struct kobj_attribute *attr,
+ const char *buf, size_t len)
+{
+ return reipl_generic_vmparm_store(reipl_block_ccw, 64, buf, len);
+}
+
+static struct kobj_attribute sys_reipl_nss_vmparm_attr =
+ __ATTR(parm, S_IRUGO | S_IWUSR, reipl_nss_vmparm_show,
+ reipl_nss_vmparm_store);
+static struct kobj_attribute sys_reipl_ccw_vmparm_attr =
+ __ATTR(parm, S_IRUGO | S_IWUSR, reipl_ccw_vmparm_show,
+ reipl_ccw_vmparm_store);
+
/* FCP reipl device attributes */
DEFINE_IPL_ATTR_RW(reipl_fcp, wwpn, "0x%016llx\n", "%016llx\n",
@@ -513,27 +652,26 @@ static struct attribute_group reipl_fcp_attr_group = {
DEFINE_IPL_ATTR_RW(reipl_ccw, device, "0.0.%04llx\n", "0.0.%llx\n",
reipl_block_ccw->ipl_info.ccw.devno);
-static void reipl_get_ascii_loadparm(char *loadparm)
+static void reipl_get_ascii_loadparm(char *loadparm,
+ struct ipl_parameter_block *ibp)
{
- memcpy(loadparm, &reipl_block_ccw->ipl_info.ccw.load_param,
- LOADPARM_LEN);
+ memcpy(loadparm, ibp->ipl_info.ccw.load_parm, LOADPARM_LEN);
EBCASC(loadparm, LOADPARM_LEN);
loadparm[LOADPARM_LEN] = 0;
strstrip(loadparm);
}
-static ssize_t reipl_ccw_loadparm_show(struct kobject *kobj,
- struct kobj_attribute *attr, char *page)
+static ssize_t reipl_generic_loadparm_show(struct ipl_parameter_block *ipb,
+ char *page)
{
char buf[LOADPARM_LEN + 1];
- reipl_get_ascii_loadparm(buf);
+ reipl_get_ascii_loadparm(buf, ipb);
return sprintf(page, "%s\n", buf);
}
-static ssize_t reipl_ccw_loadparm_store(struct kobject *kobj,
- struct kobj_attribute *attr,
- const char *buf, size_t len)
+static ssize_t reipl_generic_loadparm_store(struct ipl_parameter_block *ipb,
+ const char *buf, size_t len)
{
int i, lp_len;
@@ -552,35 +690,128 @@ static ssize_t reipl_ccw_loadparm_store(struct kobject *kobj,
return -EINVAL;
}
/* initialize loadparm with blanks */
- memset(&reipl_block_ccw->ipl_info.ccw.load_param, ' ', LOADPARM_LEN);
+ memset(ipb->ipl_info.ccw.load_parm, ' ', LOADPARM_LEN);
/* copy and convert to ebcdic */
- memcpy(&reipl_block_ccw->ipl_info.ccw.load_param, buf, lp_len);
- ASCEBC(reipl_block_ccw->ipl_info.ccw.load_param, LOADPARM_LEN);
+ memcpy(ipb->ipl_info.ccw.load_parm, buf, lp_len);
+ ASCEBC(ipb->ipl_info.ccw.load_parm, LOADPARM_LEN);
return len;
}
+/* NSS wrapper */
+static ssize_t reipl_nss_loadparm_show(struct kobject *kobj,
+ struct kobj_attribute *attr, char *page)
+{
+ return reipl_generic_loadparm_show(reipl_block_nss, page);
+}
+
+static ssize_t reipl_nss_loadparm_store(struct kobject *kobj,
+ struct kobj_attribute *attr,
+ const char *buf, size_t len)
+{
+ return reipl_generic_loadparm_store(reipl_block_nss, buf, len);
+}
+
+/* CCW wrapper */
+static ssize_t reipl_ccw_loadparm_show(struct kobject *kobj,
+ struct kobj_attribute *attr, char *page)
+{
+ return reipl_generic_loadparm_show(reipl_block_ccw, page);
+}
+
+static ssize_t reipl_ccw_loadparm_store(struct kobject *kobj,
+ struct kobj_attribute *attr,
+ const char *buf, size_t len)
+{
+ return reipl_generic_loadparm_store(reipl_block_ccw, buf, len);
+}
+
static struct kobj_attribute sys_reipl_ccw_loadparm_attr =
- __ATTR(loadparm, 0644, reipl_ccw_loadparm_show,
- reipl_ccw_loadparm_store);
+ __ATTR(loadparm, S_IRUGO | S_IWUSR, reipl_ccw_loadparm_show,
+ reipl_ccw_loadparm_store);
-static struct attribute *reipl_ccw_attrs[] = {
+static struct attribute *reipl_ccw_attrs_vm[] = {
&sys_reipl_ccw_device_attr.attr,
&sys_reipl_ccw_loadparm_attr.attr,
+ &sys_reipl_ccw_vmparm_attr.attr,
NULL,
};
-static struct attribute_group reipl_ccw_attr_group = {
+static struct attribute *reipl_ccw_attrs_lpar[] = {
+ &sys_reipl_ccw_device_attr.attr,
+ &sys_reipl_ccw_loadparm_attr.attr,
+ NULL,
+};
+
+static struct attribute_group reipl_ccw_attr_group_vm = {
+ .name = IPL_CCW_STR,
+ .attrs = reipl_ccw_attrs_vm,
+};
+
+static struct attribute_group reipl_ccw_attr_group_lpar = {
.name = IPL_CCW_STR,
- .attrs = reipl_ccw_attrs,
+ .attrs = reipl_ccw_attrs_lpar,
};
/* NSS reipl device attributes */
+static void reipl_get_ascii_nss_name(char *dst,
+ struct ipl_parameter_block *ipb)
+{
+ memcpy(dst, ipb->ipl_info.ccw.nss_name, NSS_NAME_SIZE);
+ EBCASC(dst, NSS_NAME_SIZE);
+ dst[NSS_NAME_SIZE] = 0;
+}
+
+static ssize_t reipl_nss_name_show(struct kobject *kobj,
+ struct kobj_attribute *attr, char *page)
+{
+ char nss_name[NSS_NAME_SIZE + 1] = {};
-DEFINE_IPL_ATTR_STR_RW(reipl_nss, name, "%s\n", "%s\n", reipl_nss_name);
+ reipl_get_ascii_nss_name(nss_name, reipl_block_nss);
+ return sprintf(page, "%s\n", nss_name);
+}
+
+static ssize_t reipl_nss_name_store(struct kobject *kobj,
+ struct kobj_attribute *attr,
+ const char *buf, size_t len)
+{
+ int nss_len;
+
+ /* ignore trailing newline */
+ nss_len = len;
+ if ((len > 0) && (buf[len - 1] == '\n'))
+ nss_len--;
+
+ if (nss_len > NSS_NAME_SIZE)
+ return -EINVAL;
+
+ memset(reipl_block_nss->ipl_info.ccw.nss_name, 0x40, NSS_NAME_SIZE);
+ if (nss_len > 0) {
+ reipl_block_nss->ipl_info.ccw.vm_flags |=
+ DIAG308_VM_FLAGS_NSS_VALID;
+ memcpy(reipl_block_nss->ipl_info.ccw.nss_name, buf, nss_len);
+ ASCEBC(reipl_block_nss->ipl_info.ccw.nss_name, nss_len);
+ EBC_TOUPPER(reipl_block_nss->ipl_info.ccw.nss_name, nss_len);
+ } else {
+ reipl_block_nss->ipl_info.ccw.vm_flags &=
+ ~DIAG308_VM_FLAGS_NSS_VALID;
+ }
+
+ return len;
+}
+
+static struct kobj_attribute sys_reipl_nss_name_attr =
+ __ATTR(name, S_IRUGO | S_IWUSR, reipl_nss_name_show,
+ reipl_nss_name_store);
+
+static struct kobj_attribute sys_reipl_nss_loadparm_attr =
+ __ATTR(loadparm, S_IRUGO | S_IWUSR, reipl_nss_loadparm_show,
+ reipl_nss_loadparm_store);
static struct attribute *reipl_nss_attrs[] = {
&sys_reipl_nss_name_attr.attr,
+ &sys_reipl_nss_loadparm_attr.attr,
+ &sys_reipl_nss_vmparm_attr.attr,
NULL,
};
@@ -617,7 +848,10 @@ static int reipl_set_type(enum ipl_type type)
reipl_method = REIPL_METHOD_FCP_DUMP;
break;
case IPL_TYPE_NSS:
- reipl_method = REIPL_METHOD_NSS;
+ if (diag308_set_works)
+ reipl_method = REIPL_METHOD_NSS_DIAG;
+ else
+ reipl_method = REIPL_METHOD_NSS;
break;
case IPL_TYPE_UNKNOWN:
reipl_method = REIPL_METHOD_DEFAULT;
@@ -655,11 +889,38 @@ static struct kobj_attribute reipl_type_attr =
static struct kset *reipl_kset;
+static void get_ipl_string(char *dst, struct ipl_parameter_block *ipb,
+ const enum ipl_method m)
+{
+ char loadparm[LOADPARM_LEN + 1] = {};
+ char vmparm[DIAG308_VMPARM_SIZE + 1] = {};
+ char nss_name[NSS_NAME_SIZE + 1] = {};
+ size_t pos = 0;
+
+ reipl_get_ascii_loadparm(loadparm, ipb);
+ reipl_get_ascii_nss_name(nss_name, ipb);
+ reipl_get_ascii_vmparm(vmparm, ipb);
+
+ switch (m) {
+ case REIPL_METHOD_CCW_VM:
+ pos = sprintf(dst, "IPL %X CLEAR", ipb->ipl_info.ccw.devno);
+ break;
+ case REIPL_METHOD_NSS:
+ pos = sprintf(dst, "IPL %s", nss_name);
+ break;
+ default:
+ break;
+ }
+ if (strlen(loadparm) > 0)
+ pos += sprintf(dst + pos, " LOADPARM '%s'", loadparm);
+ if (strlen(vmparm) > 0)
+ sprintf(dst + pos, " PARM %s", vmparm);
+}
+
static void reipl_run(struct shutdown_trigger *trigger)
{
struct ccw_dev_id devid;
- static char buf[100];
- char loadparm[LOADPARM_LEN + 1];
+ static char buf[128];
switch (reipl_method) {
case REIPL_METHOD_CCW_CIO:
@@ -668,13 +929,7 @@ static void reipl_run(struct shutdown_trigger *trigger)
reipl_ccw_dev(&devid);
break;
case REIPL_METHOD_CCW_VM:
- reipl_get_ascii_loadparm(loadparm);
- if (strlen(loadparm) == 0)
- sprintf(buf, "IPL %X CLEAR",
- reipl_block_ccw->ipl_info.ccw.devno);
- else
- sprintf(buf, "IPL %X CLEAR LOADPARM '%s'",
- reipl_block_ccw->ipl_info.ccw.devno, loadparm);
+ get_ipl_string(buf, reipl_block_ccw, REIPL_METHOD_CCW_VM);
__cpcmd(buf, NULL, 0, NULL);
break;
case REIPL_METHOD_CCW_DIAG:
@@ -691,8 +946,12 @@ static void reipl_run(struct shutdown_trigger *trigger)
case REIPL_METHOD_FCP_RO_VM:
__cpcmd("IPL", NULL, 0, NULL);
break;
+ case REIPL_METHOD_NSS_DIAG:
+ diag308(DIAG308_SET, reipl_block_nss);
+ diag308(DIAG308_IPL, NULL);
+ break;
case REIPL_METHOD_NSS:
- sprintf(buf, "IPL %s", reipl_nss_name);
+ get_ipl_string(buf, reipl_block_nss, REIPL_METHOD_NSS);
__cpcmd(buf, NULL, 0, NULL);
break;
case REIPL_METHOD_DEFAULT:
@@ -707,16 +966,36 @@ static void reipl_run(struct shutdown_trigger *trigger)
disabled_wait((unsigned long) __builtin_return_address(0));
}
-static void __init reipl_probe(void)
+static void reipl_block_ccw_init(struct ipl_parameter_block *ipb)
{
- void *buffer;
+ ipb->hdr.len = IPL_PARM_BLK_CCW_LEN;
+ ipb->hdr.version = IPL_PARM_BLOCK_VERSION;
+ ipb->hdr.blk0_len = IPL_PARM_BLK0_CCW_LEN;
+ ipb->hdr.pbt = DIAG308_IPL_TYPE_CCW;
+}
- buffer = (void *) get_zeroed_page(GFP_KERNEL);
- if (!buffer)
- return;
- if (diag308(DIAG308_STORE, buffer) == DIAG308_RC_OK)
- diag308_set_works = 1;
- free_page((unsigned long)buffer);
+static void reipl_block_ccw_fill_parms(struct ipl_parameter_block *ipb)
+{
+ /* LOADPARM */
+ /* check if read scp info worked and set loadparm */
+ if (sclp_ipl_info.is_valid)
+ memcpy(ipb->ipl_info.ccw.load_parm,
+ &sclp_ipl_info.loadparm, LOADPARM_LEN);
+ else
+ /* read scp info failed: set empty loadparm (EBCDIC blanks) */
+ memset(ipb->ipl_info.ccw.load_parm, 0x40, LOADPARM_LEN);
+ ipb->hdr.flags = DIAG308_FLAGS_LP_VALID;
+
+ /* VM PARM */
+ if (MACHINE_IS_VM && diag308_set_works &&
+ (ipl_block.ipl_info.ccw.vm_flags & DIAG308_VM_FLAGS_VP_VALID)) {
+
+ ipb->ipl_info.ccw.vm_flags |= DIAG308_VM_FLAGS_VP_VALID;
+ ipb->ipl_info.ccw.vm_parm_len =
+ ipl_block.ipl_info.ccw.vm_parm_len;
+ memcpy(ipb->ipl_info.ccw.vm_parm,
+ ipl_block.ipl_info.ccw.vm_parm, DIAG308_VMPARM_SIZE);
+ }
}
static int __init reipl_nss_init(void)
@@ -725,10 +1004,31 @@ static int __init reipl_nss_init(void)
if (!MACHINE_IS_VM)
return 0;
+
+ reipl_block_nss = (void *) get_zeroed_page(GFP_KERNEL);
+ if (!reipl_block_nss)
+ return -ENOMEM;
+
+ if (!diag308_set_works)
+ sys_reipl_nss_vmparm_attr.attr.mode = S_IRUGO;
+
rc = sysfs_create_group(&reipl_kset->kobj, &reipl_nss_attr_group);
if (rc)
return rc;
- strncpy(reipl_nss_name, kernel_nss_name, NSS_NAME_SIZE + 1);
+
+ reipl_block_ccw_init(reipl_block_nss);
+ if (ipl_info.type == IPL_TYPE_NSS) {
+ memset(reipl_block_nss->ipl_info.ccw.nss_name,
+ ' ', NSS_NAME_SIZE);
+ memcpy(reipl_block_nss->ipl_info.ccw.nss_name,
+ kernel_nss_name, strlen(kernel_nss_name));
+ ASCEBC(reipl_block_nss->ipl_info.ccw.nss_name, NSS_NAME_SIZE);
+ reipl_block_nss->ipl_info.ccw.vm_flags |=
+ DIAG308_VM_FLAGS_NSS_VALID;
+
+ reipl_block_ccw_fill_parms(reipl_block_nss);
+ }
+
reipl_capabilities |= IPL_TYPE_NSS;
return 0;
}
@@ -740,28 +1040,27 @@ static int __init reipl_ccw_init(void)
reipl_block_ccw = (void *) get_zeroed_page(GFP_KERNEL);
if (!reipl_block_ccw)
return -ENOMEM;
- rc = sysfs_create_group(&reipl_kset->kobj, &reipl_ccw_attr_group);
- if (rc) {
- free_page((unsigned long)reipl_block_ccw);
- return rc;
+
+ if (MACHINE_IS_VM) {
+ if (!diag308_set_works)
+ sys_reipl_ccw_vmparm_attr.attr.mode = S_IRUGO;
+ rc = sysfs_create_group(&reipl_kset->kobj,
+ &reipl_ccw_attr_group_vm);
+ } else {
+ if(!diag308_set_works)
+ sys_reipl_ccw_loadparm_attr.attr.mode = S_IRUGO;
+ rc = sysfs_create_group(&reipl_kset->kobj,
+ &reipl_ccw_attr_group_lpar);
}
- reipl_block_ccw->hdr.len = IPL_PARM_BLK_CCW_LEN;
- reipl_block_ccw->hdr.version = IPL_PARM_BLOCK_VERSION;
- reipl_block_ccw->hdr.blk0_len = IPL_PARM_BLK0_CCW_LEN;
- reipl_block_ccw->hdr.pbt = DIAG308_IPL_TYPE_CCW;
- reipl_block_ccw->hdr.flags = DIAG308_FLAGS_LP_VALID;
- /* check if read scp info worked and set loadparm */
- if (sclp_ipl_info.is_valid)
- memcpy(reipl_block_ccw->ipl_info.ccw.load_param,
- &sclp_ipl_info.loadparm, LOADPARM_LEN);
- else
- /* read scp info failed: set empty loadparm (EBCDIC blanks) */
- memset(reipl_block_ccw->ipl_info.ccw.load_param, 0x40,
- LOADPARM_LEN);
- if (!MACHINE_IS_VM && !diag308_set_works)
- sys_reipl_ccw_loadparm_attr.attr.mode = S_IRUGO;
- if (ipl_info.type == IPL_TYPE_CCW)
+ if (rc)
+ return rc;
+
+ reipl_block_ccw_init(reipl_block_ccw);
+ if (ipl_info.type == IPL_TYPE_CCW) {
reipl_block_ccw->ipl_info.ccw.devno = ipl_devno;
+ reipl_block_ccw_fill_parms(reipl_block_ccw);
+ }
+
reipl_capabilities |= IPL_TYPE_CCW;
return 0;
}
@@ -1298,7 +1597,6 @@ static void __init shutdown_actions_init(void)
static int __init s390_ipl_init(void)
{
- reipl_probe();
sclp_get_ipl_info(&sclp_ipl_info);
shutdown_actions_init();
shutdown_triggers_init();
@@ -1405,6 +1703,12 @@ void __init setup_ipl(void)
atomic_notifier_chain_register(&panic_notifier_list, &on_panic_nb);
}
+void __init ipl_update_parameters(void)
+{
+ if (diag308(DIAG308_STORE, &ipl_block) == DIAG308_RC_OK)
+ diag308_set_works = 1;
+}
+
void __init ipl_save_parameters(void)
{
struct cio_iplinfo iplinfo;
diff --git a/arch/s390/kernel/kprobes.c b/arch/s390/kernel/kprobes.c
index ed04d1372d5..288ad490a6d 100644
--- a/arch/s390/kernel/kprobes.c
+++ b/arch/s390/kernel/kprobes.c
@@ -41,10 +41,8 @@ int __kprobes arch_prepare_kprobe(struct kprobe *p)
if (is_prohibited_opcode((kprobe_opcode_t *) p->addr))
return -EINVAL;
- if ((unsigned long)p->addr & 0x01) {
- printk("Attempt to register kprobe at an unaligned address\n");
+ if ((unsigned long)p->addr & 0x01)
return -EINVAL;
- }
/* Use the get_insn_slot() facility for correctness */
if (!(p->ainsn.insn = get_insn_slot()))
diff --git a/arch/s390/kernel/machine_kexec.c b/arch/s390/kernel/machine_kexec.c
index 3c77dd36994..131d7ee8b41 100644
--- a/arch/s390/kernel/machine_kexec.c
+++ b/arch/s390/kernel/machine_kexec.c
@@ -52,7 +52,6 @@ void machine_kexec_cleanup(struct kimage *image)
void machine_shutdown(void)
{
- printk(KERN_INFO "kexec: machine_shutdown called\n");
}
void machine_kexec(struct kimage *image)
diff --git a/arch/s390/kernel/mem_detect.c b/arch/s390/kernel/mem_detect.c
new file mode 100644
index 00000000000..18ed7abe16c
--- /dev/null
+++ b/arch/s390/kernel/mem_detect.c
@@ -0,0 +1,100 @@
+/*
+ * Copyright IBM Corp. 2008
+ * Author(s): Heiko Carstens <heiko.carstens@de.ibm.com>
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <asm/ipl.h>
+#include <asm/sclp.h>
+#include <asm/setup.h>
+
+static int memory_fast_detect(struct mem_chunk *chunk)
+{
+ unsigned long val0 = 0;
+ unsigned long val1 = 0xc;
+ int rc = -EOPNOTSUPP;
+
+ if (ipl_flags & IPL_NSS_VALID)
+ return -EOPNOTSUPP;
+ asm volatile(
+ " diag %1,%2,0x260\n"
+ "0: lhi %0,0\n"
+ "1:\n"
+ EX_TABLE(0b,1b)
+ : "+d" (rc), "+d" (val0), "+d" (val1) : : "cc");
+
+ if (rc || val0 != val1)
+ return -EOPNOTSUPP;
+ chunk->size = val0 + 1;
+ return 0;
+}
+
+static inline int tprot(unsigned long addr)
+{
+ int rc = -EFAULT;
+
+ asm volatile(
+ " tprot 0(%1),0\n"
+ "0: ipm %0\n"
+ " srl %0,28\n"
+ "1:\n"
+ EX_TABLE(0b,1b)
+ : "+d" (rc) : "a" (addr) : "cc");
+ return rc;
+}
+
+#define ADDR2G (1ULL << 31)
+
+static void find_memory_chunks(struct mem_chunk chunk[])
+{
+ unsigned long long memsize, rnmax, rzm;
+ unsigned long addr = 0, size;
+ int i = 0, type;
+
+ rzm = sclp_get_rzm();
+ rnmax = sclp_get_rnmax();
+ memsize = rzm * rnmax;
+ if (!rzm)
+ rzm = 1ULL << 17;
+ if (sizeof(long) == 4) {
+ rzm = min(ADDR2G, rzm);
+ memsize = memsize ? min(ADDR2G, memsize) : ADDR2G;
+ }
+ do {
+ size = 0;
+ type = tprot(addr);
+ do {
+ size += rzm;
+ if (memsize && addr + size >= memsize)
+ break;
+ } while (type == tprot(addr + size));
+ if (type == CHUNK_READ_WRITE || type == CHUNK_READ_ONLY) {
+ chunk[i].addr = addr;
+ chunk[i].size = size;
+ chunk[i].type = type;
+ i++;
+ }
+ addr += size;
+ } while (addr < memsize && i < MEMORY_CHUNKS);
+}
+
+void detect_memory_layout(struct mem_chunk chunk[])
+{
+ unsigned long flags, cr0;
+
+ memset(chunk, 0, MEMORY_CHUNKS * sizeof(struct mem_chunk));
+ if (memory_fast_detect(&chunk[0]) == 0)
+ return;
+ /* Disable IRQs, DAT and low address protection so tprot does the
+ * right thing and we don't get scheduled away with low address
+ * protection disabled.
+ */
+ flags = __raw_local_irq_stnsm(0xf8);
+ __ctl_store(cr0, 0, 0);
+ __ctl_clear_bit(0, 28);
+ find_memory_chunks(chunk);
+ __ctl_load(cr0, 0, 0);
+ __raw_local_irq_ssm(flags);
+}
+EXPORT_SYMBOL(detect_memory_layout);
diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c
index 7920861109d..85defd01d29 100644
--- a/arch/s390/kernel/process.c
+++ b/arch/s390/kernel/process.c
@@ -75,46 +75,19 @@ unsigned long thread_saved_pc(struct task_struct *tsk)
return sf->gprs[8];
}
-/*
- * Need to know about CPUs going idle?
- */
-static ATOMIC_NOTIFIER_HEAD(idle_chain);
DEFINE_PER_CPU(struct s390_idle_data, s390_idle);
-int register_idle_notifier(struct notifier_block *nb)
-{
- return atomic_notifier_chain_register(&idle_chain, nb);
-}
-EXPORT_SYMBOL(register_idle_notifier);
-
-int unregister_idle_notifier(struct notifier_block *nb)
-{
- return atomic_notifier_chain_unregister(&idle_chain, nb);
-}
-EXPORT_SYMBOL(unregister_idle_notifier);
-
static int s390_idle_enter(void)
{
struct s390_idle_data *idle;
- int nr_calls = 0;
- void *hcpu;
- int rc;
- hcpu = (void *)(long)smp_processor_id();
- rc = __atomic_notifier_call_chain(&idle_chain, S390_CPU_IDLE, hcpu, -1,
- &nr_calls);
- if (rc == NOTIFY_BAD) {
- nr_calls--;
- __atomic_notifier_call_chain(&idle_chain, S390_CPU_NOT_IDLE,
- hcpu, nr_calls, NULL);
- return rc;
- }
idle = &__get_cpu_var(s390_idle);
spin_lock(&idle->lock);
idle->idle_count++;
idle->in_idle = 1;
idle->idle_enter = get_clock();
spin_unlock(&idle->lock);
+ vtime_stop_cpu_timer();
return NOTIFY_OK;
}
@@ -122,13 +95,12 @@ void s390_idle_leave(void)
{
struct s390_idle_data *idle;
+ vtime_start_cpu_timer();
idle = &__get_cpu_var(s390_idle);
spin_lock(&idle->lock);
idle->idle_time += get_clock() - idle->idle_enter;
idle->in_idle = 0;
spin_unlock(&idle->lock);
- atomic_notifier_call_chain(&idle_chain, S390_CPU_NOT_IDLE,
- (void *)(long) smp_processor_id());
}
extern void s390_handle_mcck(void);
diff --git a/arch/s390/kernel/ptrace.c b/arch/s390/kernel/ptrace.c
index 35827b9bd4d..2815bfe348a 100644
--- a/arch/s390/kernel/ptrace.c
+++ b/arch/s390/kernel/ptrace.c
@@ -33,6 +33,8 @@
#include <linux/security.h>
#include <linux/audit.h>
#include <linux/signal.h>
+#include <linux/elf.h>
+#include <linux/regset.h>
#include <asm/segment.h>
#include <asm/page.h>
@@ -47,6 +49,11 @@
#include "compat_ptrace.h"
#endif
+enum s390_regset {
+ REGSET_GENERAL,
+ REGSET_FP,
+};
+
static void
FixPerRegisters(struct task_struct *task)
{
@@ -126,24 +133,10 @@ ptrace_disable(struct task_struct *child)
* struct user contain pad bytes that should be read as zeroes.
* Lovely...
*/
-static int
-peek_user(struct task_struct *child, addr_t addr, addr_t data)
+static unsigned long __peek_user(struct task_struct *child, addr_t addr)
{
struct user *dummy = NULL;
- addr_t offset, tmp, mask;
-
- /*
- * Stupid gdb peeks/pokes the access registers in 64 bit with
- * an alignment of 4. Programmers from hell...
- */
- mask = __ADDR_MASK;
-#ifdef CONFIG_64BIT
- if (addr >= (addr_t) &dummy->regs.acrs &&
- addr < (addr_t) &dummy->regs.orig_gpr2)
- mask = 3;
-#endif
- if ((addr & mask) || addr > sizeof(struct user) - __ADDR_MASK)
- return -EIO;
+ addr_t offset, tmp;
if (addr < (addr_t) &dummy->regs.acrs) {
/*
@@ -197,24 +190,18 @@ peek_user(struct task_struct *child, addr_t addr, addr_t data)
} else
tmp = 0;
- return put_user(tmp, (addr_t __user *) data);
+ return tmp;
}
-/*
- * Write a word to the user area of a process at location addr. This
- * operation does have an additional problem compared to peek_user.
- * Stores to the program status word and on the floating point
- * control register needs to get checked for validity.
- */
static int
-poke_user(struct task_struct *child, addr_t addr, addr_t data)
+peek_user(struct task_struct *child, addr_t addr, addr_t data)
{
struct user *dummy = NULL;
- addr_t offset, mask;
+ addr_t tmp, mask;
/*
* Stupid gdb peeks/pokes the access registers in 64 bit with
- * an alignment of 4. Programmers from hell indeed...
+ * an alignment of 4. Programmers from hell...
*/
mask = __ADDR_MASK;
#ifdef CONFIG_64BIT
@@ -225,6 +212,21 @@ poke_user(struct task_struct *child, addr_t addr, addr_t data)
if ((addr & mask) || addr > sizeof(struct user) - __ADDR_MASK)
return -EIO;
+ tmp = __peek_user(child, addr);
+ return put_user(tmp, (addr_t __user *) data);
+}
+
+/*
+ * Write a word to the user area of a process at location addr. This
+ * operation does have an additional problem compared to peek_user.
+ * Stores to the program status word and on the floating point
+ * control register needs to get checked for validity.
+ */
+static int __poke_user(struct task_struct *child, addr_t addr, addr_t data)
+{
+ struct user *dummy = NULL;
+ addr_t offset;
+
if (addr < (addr_t) &dummy->regs.acrs) {
/*
* psw and gprs are stored on the stack
@@ -292,6 +294,28 @@ poke_user(struct task_struct *child, addr_t addr, addr_t data)
return 0;
}
+static int
+poke_user(struct task_struct *child, addr_t addr, addr_t data)
+{
+ struct user *dummy = NULL;
+ addr_t mask;
+
+ /*
+ * Stupid gdb peeks/pokes the access registers in 64 bit with
+ * an alignment of 4. Programmers from hell indeed...
+ */
+ mask = __ADDR_MASK;
+#ifdef CONFIG_64BIT
+ if (addr >= (addr_t) &dummy->regs.acrs &&
+ addr < (addr_t) &dummy->regs.orig_gpr2)
+ mask = 3;
+#endif
+ if ((addr & mask) || addr > sizeof(struct user) - __ADDR_MASK)
+ return -EIO;
+
+ return __poke_user(child, addr, data);
+}
+
long arch_ptrace(struct task_struct *child, long request, long addr, long data)
{
ptrace_area parea;
@@ -367,18 +391,13 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
/*
* Same as peek_user but for a 31 bit program.
*/
-static int
-peek_user_emu31(struct task_struct *child, addr_t addr, addr_t data)
+static u32 __peek_user_compat(struct task_struct *child, addr_t addr)
{
struct user32 *dummy32 = NULL;
per_struct32 *dummy_per32 = NULL;
addr_t offset;
__u32 tmp;
- if (!test_thread_flag(TIF_31BIT) ||
- (addr & 3) || addr > sizeof(struct user) - 3)
- return -EIO;
-
if (addr < (addr_t) &dummy32->regs.acrs) {
/*
* psw and gprs are stored on the stack
@@ -435,25 +454,32 @@ peek_user_emu31(struct task_struct *child, addr_t addr, addr_t data)
} else
tmp = 0;
+ return tmp;
+}
+
+static int peek_user_compat(struct task_struct *child,
+ addr_t addr, addr_t data)
+{
+ __u32 tmp;
+
+ if (!test_thread_flag(TIF_31BIT) ||
+ (addr & 3) || addr > sizeof(struct user) - 3)
+ return -EIO;
+
+ tmp = __peek_user_compat(child, addr);
return put_user(tmp, (__u32 __user *) data);
}
/*
* Same as poke_user but for a 31 bit program.
*/
-static int
-poke_user_emu31(struct task_struct *child, addr_t addr, addr_t data)
+static int __poke_user_compat(struct task_struct *child,
+ addr_t addr, addr_t data)
{
struct user32 *dummy32 = NULL;
per_struct32 *dummy_per32 = NULL;
+ __u32 tmp = (__u32) data;
addr_t offset;
- __u32 tmp;
-
- if (!test_thread_flag(TIF_31BIT) ||
- (addr & 3) || addr > sizeof(struct user32) - 3)
- return -EIO;
-
- tmp = (__u32) data;
if (addr < (addr_t) &dummy32->regs.acrs) {
/*
@@ -528,6 +554,16 @@ poke_user_emu31(struct task_struct *child, addr_t addr, addr_t data)
return 0;
}
+static int poke_user_compat(struct task_struct *child,
+ addr_t addr, addr_t data)
+{
+ if (!test_thread_flag(TIF_31BIT) ||
+ (addr & 3) || addr > sizeof(struct user32) - 3)
+ return -EIO;
+
+ return __poke_user_compat(child, addr, data);
+}
+
long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
compat_ulong_t caddr, compat_ulong_t cdata)
{
@@ -539,11 +575,11 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
switch (request) {
case PTRACE_PEEKUSR:
/* read the word at location addr in the USER area. */
- return peek_user_emu31(child, addr, data);
+ return peek_user_compat(child, addr, data);
case PTRACE_POKEUSR:
/* write the word at location addr in the USER area */
- return poke_user_emu31(child, addr, data);
+ return poke_user_compat(child, addr, data);
case PTRACE_PEEKUSR_AREA:
case PTRACE_POKEUSR_AREA:
@@ -555,13 +591,13 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
copied = 0;
while (copied < parea.len) {
if (request == PTRACE_PEEKUSR_AREA)
- ret = peek_user_emu31(child, addr, data);
+ ret = peek_user_compat(child, addr, data);
else {
__u32 utmp;
if (get_user(utmp,
(__u32 __force __user *) data))
return -EFAULT;
- ret = poke_user_emu31(child, addr, utmp);
+ ret = poke_user_compat(child, addr, utmp);
}
if (ret)
return ret;
@@ -610,3 +646,240 @@ syscall_trace(struct pt_regs *regs, int entryexit)
regs->gprs[2], regs->orig_gpr2, regs->gprs[3],
regs->gprs[4], regs->gprs[5]);
}
+
+/*
+ * user_regset definitions.
+ */
+
+static int s390_regs_get(struct task_struct *target,
+ const struct user_regset *regset,
+ unsigned int pos, unsigned int count,
+ void *kbuf, void __user *ubuf)
+{
+ if (target == current)
+ save_access_regs(target->thread.acrs);
+
+ if (kbuf) {
+ unsigned long *k = kbuf;
+ while (count > 0) {
+ *k++ = __peek_user(target, pos);
+ count -= sizeof(*k);
+ pos += sizeof(*k);
+ }
+ } else {
+ unsigned long __user *u = ubuf;
+ while (count > 0) {
+ if (__put_user(__peek_user(target, pos), u++))
+ return -EFAULT;
+ count -= sizeof(*u);
+ pos += sizeof(*u);
+ }
+ }
+ return 0;
+}
+
+static int s390_regs_set(struct task_struct *target,
+ const struct user_regset *regset,
+ unsigned int pos, unsigned int count,
+ const void *kbuf, const void __user *ubuf)
+{
+ int rc = 0;
+
+ if (target == current)
+ save_access_regs(target->thread.acrs);
+
+ if (kbuf) {
+ const unsigned long *k = kbuf;
+ while (count > 0 && !rc) {
+ rc = __poke_user(target, pos, *k++);
+ count -= sizeof(*k);
+ pos += sizeof(*k);
+ }
+ } else {
+ const unsigned long __user *u = ubuf;
+ while (count > 0 && !rc) {
+ unsigned long word;
+ rc = __get_user(word, u++);
+ if (rc)
+ break;
+ rc = __poke_user(target, pos, word);
+ count -= sizeof(*u);
+ pos += sizeof(*u);
+ }
+ }
+
+ if (rc == 0 && target == current)
+ restore_access_regs(target->thread.acrs);
+
+ return rc;
+}
+
+static int s390_fpregs_get(struct task_struct *target,
+ const struct user_regset *regset, unsigned int pos,
+ unsigned int count, void *kbuf, void __user *ubuf)
+{
+ if (target == current)
+ save_fp_regs(&target->thread.fp_regs);
+
+ return user_regset_copyout(&pos, &count, &kbuf, &ubuf,
+ &target->thread.fp_regs, 0, -1);
+}
+
+static int s390_fpregs_set(struct task_struct *target,
+ const struct user_regset *regset, unsigned int pos,
+ unsigned int count, const void *kbuf,
+ const void __user *ubuf)
+{
+ int rc = 0;
+
+ if (target == current)
+ save_fp_regs(&target->thread.fp_regs);
+
+ /* If setting FPC, must validate it first. */
+ if (count > 0 && pos < offsetof(s390_fp_regs, fprs)) {
+ u32 fpc[2] = { target->thread.fp_regs.fpc, 0 };
+ rc = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &fpc,
+ 0, offsetof(s390_fp_regs, fprs));
+ if (rc)
+ return rc;
+ if ((fpc[0] & ~FPC_VALID_MASK) != 0 || fpc[1] != 0)
+ return -EINVAL;
+ target->thread.fp_regs.fpc = fpc[0];
+ }
+
+ if (rc == 0 && count > 0)
+ rc = user_regset_copyin(&pos, &count, &kbuf, &ubuf,
+ target->thread.fp_regs.fprs,
+ offsetof(s390_fp_regs, fprs), -1);
+
+ if (rc == 0 && target == current)
+ restore_fp_regs(&target->thread.fp_regs);
+
+ return rc;
+}
+
+static const struct user_regset s390_regsets[] = {
+ [REGSET_GENERAL] = {
+ .core_note_type = NT_PRSTATUS,
+ .n = sizeof(s390_regs) / sizeof(long),
+ .size = sizeof(long),
+ .align = sizeof(long),
+ .get = s390_regs_get,
+ .set = s390_regs_set,
+ },
+ [REGSET_FP] = {
+ .core_note_type = NT_PRFPREG,
+ .n = sizeof(s390_fp_regs) / sizeof(long),
+ .size = sizeof(long),
+ .align = sizeof(long),
+ .get = s390_fpregs_get,
+ .set = s390_fpregs_set,
+ },
+};
+
+static const struct user_regset_view user_s390_view = {
+ .name = UTS_MACHINE,
+ .e_machine = EM_S390,
+ .regsets = s390_regsets,
+ .n = ARRAY_SIZE(s390_regsets)
+};
+
+#ifdef CONFIG_COMPAT
+static int s390_compat_regs_get(struct task_struct *target,
+ const struct user_regset *regset,
+ unsigned int pos, unsigned int count,
+ void *kbuf, void __user *ubuf)
+{
+ if (target == current)
+ save_access_regs(target->thread.acrs);
+
+ if (kbuf) {
+ compat_ulong_t *k = kbuf;
+ while (count > 0) {
+ *k++ = __peek_user_compat(target, pos);
+ count -= sizeof(*k);
+ pos += sizeof(*k);
+ }
+ } else {
+ compat_ulong_t __user *u = ubuf;
+ while (count > 0) {
+ if (__put_user(__peek_user_compat(target, pos), u++))
+ return -EFAULT;
+ count -= sizeof(*u);
+ pos += sizeof(*u);
+ }
+ }
+ return 0;
+}
+
+static int s390_compat_regs_set(struct task_struct *target,
+ const struct user_regset *regset,
+ unsigned int pos, unsigned int count,
+ const void *kbuf, const void __user *ubuf)
+{
+ int rc = 0;
+
+ if (target == current)
+ save_access_regs(target->thread.acrs);
+
+ if (kbuf) {
+ const compat_ulong_t *k = kbuf;
+ while (count > 0 && !rc) {
+ rc = __poke_user_compat(target, pos, *k++);
+ count -= sizeof(*k);
+ pos += sizeof(*k);
+ }
+ } else {
+ const compat_ulong_t __user *u = ubuf;
+ while (count > 0 && !rc) {
+ compat_ulong_t word;
+ rc = __get_user(word, u++);
+ if (rc)
+ break;
+ rc = __poke_user_compat(target, pos, word);
+ count -= sizeof(*u);
+ pos += sizeof(*u);
+ }
+ }
+
+ if (rc == 0 && target == current)
+ restore_access_regs(target->thread.acrs);
+
+ return rc;
+}
+
+static const struct user_regset s390_compat_regsets[] = {
+ [REGSET_GENERAL] = {
+ .core_note_type = NT_PRSTATUS,
+ .n = sizeof(s390_compat_regs) / sizeof(compat_long_t),
+ .size = sizeof(compat_long_t),
+ .align = sizeof(compat_long_t),
+ .get = s390_compat_regs_get,
+ .set = s390_compat_regs_set,
+ },
+ [REGSET_FP] = {
+ .core_note_type = NT_PRFPREG,
+ .n = sizeof(s390_fp_regs) / sizeof(compat_long_t),
+ .size = sizeof(compat_long_t),
+ .align = sizeof(compat_long_t),
+ .get = s390_fpregs_get,
+ .set = s390_fpregs_set,
+ },
+};
+
+static const struct user_regset_view user_s390_compat_view = {
+ .name = "s390",
+ .e_machine = EM_S390,
+ .regsets = s390_compat_regsets,
+ .n = ARRAY_SIZE(s390_compat_regsets)
+};
+#endif
+
+const struct user_regset_view *task_user_regset_view(struct task_struct *task)
+{
+#ifdef CONFIG_COMPAT
+ if (test_tsk_thread_flag(task, TIF_31BIT))
+ return &user_s390_compat_view;
+#endif
+ return &user_s390_view;
+}
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 2bc70b6e876..b358e18273b 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -77,7 +77,7 @@ unsigned long machine_flags;
unsigned long elf_hwcap = 0;
char elf_platform[ELF_PLATFORM_SIZE];
-struct mem_chunk __meminitdata memory_chunk[MEMORY_CHUNKS];
+struct mem_chunk __initdata memory_chunk[MEMORY_CHUNKS];
volatile int __cpu_logical_map[NR_CPUS]; /* logical cpu to cpu address */
static unsigned long __initdata memory_end;
@@ -205,12 +205,6 @@ static void __init conmode_default(void)
SET_CONSOLE_SCLP;
#endif
}
- } else if (MACHINE_IS_P390) {
-#if defined(CONFIG_TN3215_CONSOLE)
- SET_CONSOLE_3215;
-#elif defined(CONFIG_TN3270_CONSOLE)
- SET_CONSOLE_3270;
-#endif
} else {
#if defined(CONFIG_SCLP_CONSOLE) || defined(CONFIG_SCLP_VT220_CONSOLE)
SET_CONSOLE_SCLP;
@@ -221,18 +215,17 @@ static void __init conmode_default(void)
#if defined(CONFIG_ZFCPDUMP) || defined(CONFIG_ZFCPDUMP_MODULE)
static void __init setup_zfcpdump(unsigned int console_devno)
{
- static char str[64];
+ static char str[41];
if (ipl_info.type != IPL_TYPE_FCP_DUMP)
return;
if (console_devno != -1)
- sprintf(str, "cio_ignore=all,!0.0.%04x,!0.0.%04x",
+ sprintf(str, " cio_ignore=all,!0.0.%04x,!0.0.%04x",
ipl_info.data.fcp.dev_id.devno, console_devno);
else
- sprintf(str, "cio_ignore=all,!0.0.%04x",
+ sprintf(str, " cio_ignore=all,!0.0.%04x",
ipl_info.data.fcp.dev_id.devno);
- strcat(COMMAND_LINE, " ");
- strcat(COMMAND_LINE, str);
+ strcat(boot_command_line, str);
console_loglevel = 2;
}
#else
@@ -289,32 +282,6 @@ static int __init early_parse_mem(char *p)
}
early_param("mem", early_parse_mem);
-/*
- * "ipldelay=XXX[sm]" sets ipl delay in seconds or minutes
- */
-static int __init early_parse_ipldelay(char *p)
-{
- unsigned long delay = 0;
-
- delay = simple_strtoul(p, &p, 0);
-
- switch (*p) {
- case 's':
- case 'S':
- delay *= 1000000;
- break;
- case 'm':
- case 'M':
- delay *= 60 * 1000000;
- }
-
- /* now wait for the requested amount of time */
- udelay(delay);
-
- return 0;
-}
-early_param("ipldelay", early_parse_ipldelay);
-
#ifdef CONFIG_S390_SWITCH_AMODE
#ifdef CONFIG_PGSTE
unsigned int switch_amode = 1;
@@ -804,11 +771,9 @@ setup_arch(char **cmdline_p)
printk("We are running native (64 bit mode)\n");
#endif /* CONFIG_64BIT */
- /* Save unparsed command line copy for /proc/cmdline */
- strlcpy(boot_command_line, COMMAND_LINE, COMMAND_LINE_SIZE);
-
- *cmdline_p = COMMAND_LINE;
- *(*cmdline_p + COMMAND_LINE_SIZE - 1) = '\0';
+ /* Have one command line that is parsed and saved in /proc/cmdline */
+ /* boot_command_line has been already set up in early.c */
+ *cmdline_p = boot_command_line;
ROOT_DEV = Root_RAM0;
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index 5d4fa4b1c74..b6781030cfb 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -109,7 +109,7 @@ static void do_call_function(void)
}
static void __smp_call_function_map(void (*func) (void *info), void *info,
- int nonatomic, int wait, cpumask_t map)
+ int wait, cpumask_t map)
{
struct call_data_struct data;
int cpu, local = 0;
@@ -162,7 +162,6 @@ out:
* smp_call_function:
* @func: the function to run; this must be fast and non-blocking
* @info: an arbitrary pointer to pass to the function
- * @nonatomic: unused
* @wait: if true, wait (atomically) until function has completed on other CPUs
*
* Run a function on all other CPUs.
@@ -170,15 +169,14 @@ out:
* You must not call this function with disabled interrupts, from a
* hardware interrupt handler or from a bottom half.
*/
-int smp_call_function(void (*func) (void *info), void *info, int nonatomic,
- int wait)
+int smp_call_function(void (*func) (void *info), void *info, int wait)
{
cpumask_t map;
spin_lock(&call_lock);
map = cpu_online_map;
cpu_clear(smp_processor_id(), map);
- __smp_call_function_map(func, info, nonatomic, wait, map);
+ __smp_call_function_map(func, info, wait, map);
spin_unlock(&call_lock);
return 0;
}
@@ -189,7 +187,6 @@ EXPORT_SYMBOL(smp_call_function);
* @cpu: the CPU where func should run
* @func: the function to run; this must be fast and non-blocking
* @info: an arbitrary pointer to pass to the function
- * @nonatomic: unused
* @wait: if true, wait (atomically) until function has completed on other CPUs
*
* Run a function on one processor.
@@ -198,11 +195,10 @@ EXPORT_SYMBOL(smp_call_function);
* hardware interrupt handler or from a bottom half.
*/
int smp_call_function_single(int cpu, void (*func) (void *info), void *info,
- int nonatomic, int wait)
+ int wait)
{
spin_lock(&call_lock);
- __smp_call_function_map(func, info, nonatomic, wait,
- cpumask_of_cpu(cpu));
+ __smp_call_function_map(func, info, wait, cpumask_of_cpu(cpu));
spin_unlock(&call_lock);
return 0;
}
@@ -228,7 +224,7 @@ int smp_call_function_mask(cpumask_t mask, void (*func)(void *), void *info,
{
spin_lock(&call_lock);
cpu_clear(smp_processor_id(), mask);
- __smp_call_function_map(func, info, 0, wait, mask);
+ __smp_call_function_map(func, info, wait, mask);
spin_unlock(&call_lock);
return 0;
}
@@ -303,7 +299,7 @@ static void smp_ptlb_callback(void *info)
void smp_ptlb_all(void)
{
- on_each_cpu(smp_ptlb_callback, NULL, 0, 1);
+ on_each_cpu(smp_ptlb_callback, NULL, 1);
}
EXPORT_SYMBOL(smp_ptlb_all);
#endif /* ! CONFIG_64BIT */
@@ -351,7 +347,7 @@ void smp_ctl_set_bit(int cr, int bit)
memset(&parms.orvals, 0, sizeof(parms.orvals));
memset(&parms.andvals, 0xff, sizeof(parms.andvals));
parms.orvals[cr] = 1 << bit;
- on_each_cpu(smp_ctl_bit_callback, &parms, 0, 1);
+ on_each_cpu(smp_ctl_bit_callback, &parms, 1);
}
EXPORT_SYMBOL(smp_ctl_set_bit);
@@ -365,7 +361,7 @@ void smp_ctl_clear_bit(int cr, int bit)
memset(&parms.orvals, 0, sizeof(parms.orvals));
memset(&parms.andvals, 0xff, sizeof(parms.andvals));
parms.andvals[cr] = ~(1L << bit);
- on_each_cpu(smp_ctl_bit_callback, &parms, 0, 1);
+ on_each_cpu(smp_ctl_bit_callback, &parms, 1);
}
EXPORT_SYMBOL(smp_ctl_clear_bit);
diff --git a/arch/s390/kernel/stacktrace.c b/arch/s390/kernel/stacktrace.c
index 85e46a5d0e0..57571f10270 100644
--- a/arch/s390/kernel/stacktrace.c
+++ b/arch/s390/kernel/stacktrace.c
@@ -81,6 +81,7 @@ void save_stack_trace(struct stack_trace *trace)
S390_lowcore.thread_info,
S390_lowcore.thread_info + THREAD_SIZE, 1);
}
+EXPORT_SYMBOL_GPL(save_stack_trace);
void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace)
{
@@ -93,3 +94,4 @@ void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace)
if (trace->nr_entries < trace->max_entries)
trace->entries[trace->nr_entries++] = ULONG_MAX;
}
+EXPORT_SYMBOL_GPL(save_stack_trace_tsk);
diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c
index 7aec676fefd..f2cede3947b 100644
--- a/arch/s390/kernel/time.c
+++ b/arch/s390/kernel/time.c
@@ -3,7 +3,7 @@
* Time of day based timer functions.
*
* S390 version
- * Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation
+ * Copyright IBM Corp. 1999, 2008
* Author(s): Hartmut Penner (hp@de.ibm.com),
* Martin Schwidefsky (schwidefsky@de.ibm.com),
* Denis Joseph Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com)
@@ -31,6 +31,7 @@
#include <linux/notifier.h>
#include <linux/clocksource.h>
#include <linux/clockchips.h>
+#include <linux/bootmem.h>
#include <asm/uaccess.h>
#include <asm/delay.h>
#include <asm/s390_ext.h>
@@ -162,7 +163,7 @@ void init_cpu_timer(void)
/* Enable clock comparator timer interrupt. */
__ctl_set_bit(0,11);
- /* Always allow ETR external interrupts, even without an ETR. */
+ /* Always allow the timing alert external interrupt. */
__ctl_set_bit(0, 4);
}
@@ -170,8 +171,21 @@ static void clock_comparator_interrupt(__u16 code)
{
}
+static void etr_timing_alert(struct etr_irq_parm *);
+static void stp_timing_alert(struct stp_irq_parm *);
+
+static void timing_alert_interrupt(__u16 code)
+{
+ if (S390_lowcore.ext_params & 0x00c40000)
+ etr_timing_alert((struct etr_irq_parm *)
+ &S390_lowcore.ext_params);
+ if (S390_lowcore.ext_params & 0x00038000)
+ stp_timing_alert((struct stp_irq_parm *)
+ &S390_lowcore.ext_params);
+}
+
static void etr_reset(void);
-static void etr_ext_handler(__u16);
+static void stp_reset(void);
/*
* Get the TOD clock running.
@@ -181,6 +195,7 @@ static u64 __init reset_tod_clock(void)
u64 time;
etr_reset();
+ stp_reset();
if (store_clock(&time) == 0)
return time;
/* TOD clock not running. Set the clock to Unix Epoch. */
@@ -231,8 +246,9 @@ void __init time_init(void)
if (clocksource_register(&clocksource_tod) != 0)
panic("Could not register TOD clock source");
- /* request the etr external interrupt */
- if (register_early_external_interrupt(0x1406, etr_ext_handler,
+ /* request the timing alert external interrupt */
+ if (register_early_external_interrupt(0x1406,
+ timing_alert_interrupt,
&ext_int_etr_cc) != 0)
panic("Couldn't request external interrupt 0x1406");
@@ -245,10 +261,112 @@ void __init time_init(void)
}
/*
+ * The time is "clock". old is what we think the time is.
+ * Adjust the value by a multiple of jiffies and add the delta to ntp.
+ * "delay" is an approximation how long the synchronization took. If
+ * the time correction is positive, then "delay" is subtracted from
+ * the time difference and only the remaining part is passed to ntp.
+ */
+static unsigned long long adjust_time(unsigned long long old,
+ unsigned long long clock,
+ unsigned long long delay)
+{
+ unsigned long long delta, ticks;
+ struct timex adjust;
+
+ if (clock > old) {
+ /* It is later than we thought. */
+ delta = ticks = clock - old;
+ delta = ticks = (delta < delay) ? 0 : delta - delay;
+ delta -= do_div(ticks, CLK_TICKS_PER_JIFFY);
+ adjust.offset = ticks * (1000000 / HZ);
+ } else {
+ /* It is earlier than we thought. */
+ delta = ticks = old - clock;
+ delta -= do_div(ticks, CLK_TICKS_PER_JIFFY);
+ delta = -delta;
+ adjust.offset = -ticks * (1000000 / HZ);
+ }
+ jiffies_timer_cc += delta;
+ if (adjust.offset != 0) {
+ printk(KERN_NOTICE "etr: time adjusted by %li micro-seconds\n",
+ adjust.offset);
+ adjust.modes = ADJ_OFFSET_SINGLESHOT;
+ do_adjtimex(&adjust);
+ }
+ return delta;
+}
+
+static DEFINE_PER_CPU(atomic_t, clock_sync_word);
+static unsigned long clock_sync_flags;
+
+#define CLOCK_SYNC_HAS_ETR 0
+#define CLOCK_SYNC_HAS_STP 1
+#define CLOCK_SYNC_ETR 2
+#define CLOCK_SYNC_STP 3
+
+/*
+ * The synchronous get_clock function. It will write the current clock
+ * value to the clock pointer and return 0 if the clock is in sync with
+ * the external time source. If the clock mode is local it will return
+ * -ENOSYS and -EAGAIN if the clock is not in sync with the external
+ * reference.
+ */
+int get_sync_clock(unsigned long long *clock)
+{
+ atomic_t *sw_ptr;
+ unsigned int sw0, sw1;
+
+ sw_ptr = &get_cpu_var(clock_sync_word);
+ sw0 = atomic_read(sw_ptr);
+ *clock = get_clock();
+ sw1 = atomic_read(sw_ptr);
+ put_cpu_var(clock_sync_sync);
+ if (sw0 == sw1 && (sw0 & 0x80000000U))
+ /* Success: time is in sync. */
+ return 0;
+ if (!test_bit(CLOCK_SYNC_HAS_ETR, &clock_sync_flags) &&
+ !test_bit(CLOCK_SYNC_HAS_STP, &clock_sync_flags))
+ return -ENOSYS;
+ if (!test_bit(CLOCK_SYNC_ETR, &clock_sync_flags) &&
+ !test_bit(CLOCK_SYNC_STP, &clock_sync_flags))
+ return -EACCES;
+ return -EAGAIN;
+}
+EXPORT_SYMBOL(get_sync_clock);
+
+/*
+ * Make get_sync_clock return -EAGAIN.
+ */
+static void disable_sync_clock(void *dummy)
+{
+ atomic_t *sw_ptr = &__get_cpu_var(clock_sync_word);
+ /*
+ * Clear the in-sync bit 2^31. All get_sync_clock calls will
+ * fail until the sync bit is turned back on. In addition
+ * increase the "sequence" counter to avoid the race of an
+ * etr event and the complete recovery against get_sync_clock.
+ */
+ atomic_clear_mask(0x80000000, sw_ptr);
+ atomic_inc(sw_ptr);
+}
+
+/*
+ * Make get_sync_clock return 0 again.
+ * Needs to be called from a context disabled for preemption.
+ */
+static void enable_sync_clock(void)
+{
+ atomic_t *sw_ptr = &__get_cpu_var(clock_sync_word);
+ atomic_set_mask(0x80000000, sw_ptr);
+}
+
+/*
* External Time Reference (ETR) code.
*/
static int etr_port0_online;
static int etr_port1_online;
+static int etr_steai_available;
static int __init early_parse_etr(char *p)
{
@@ -273,12 +391,6 @@ enum etr_event {
ETR_EVENT_UPDATE,
};
-enum etr_flags {
- ETR_FLAG_ENOSYS,
- ETR_FLAG_EACCES,
- ETR_FLAG_STEAI,
-};
-
/*
* Valid bit combinations of the eacr register are (x = don't care):
* e0 e1 dp p0 p1 ea es sl
@@ -305,74 +417,18 @@ enum etr_flags {
*/
static struct etr_eacr etr_eacr;
static u64 etr_tolec; /* time of last eacr update */
-static unsigned long etr_flags;
static struct etr_aib etr_port0;
static int etr_port0_uptodate;
static struct etr_aib etr_port1;
static int etr_port1_uptodate;
static unsigned long etr_events;
static struct timer_list etr_timer;
-static DEFINE_PER_CPU(atomic_t, etr_sync_word);
static void etr_timeout(unsigned long dummy);
static void etr_work_fn(struct work_struct *work);
static DECLARE_WORK(etr_work, etr_work_fn);
/*
- * The etr get_clock function. It will write the current clock value
- * to the clock pointer and return 0 if the clock is in sync with the
- * external time source. If the clock mode is local it will return
- * -ENOSYS and -EAGAIN if the clock is not in sync with the external
- * reference. This function is what ETR is all about..
- */
-int get_sync_clock(unsigned long long *clock)
-{
- atomic_t *sw_ptr;
- unsigned int sw0, sw1;
-
- sw_ptr = &get_cpu_var(etr_sync_word);
- sw0 = atomic_read(sw_ptr);
- *clock = get_clock();
- sw1 = atomic_read(sw_ptr);
- put_cpu_var(etr_sync_sync);
- if (sw0 == sw1 && (sw0 & 0x80000000U))
- /* Success: time is in sync. */
- return 0;
- if (test_bit(ETR_FLAG_ENOSYS, &etr_flags))
- return -ENOSYS;
- if (test_bit(ETR_FLAG_EACCES, &etr_flags))
- return -EACCES;
- return -EAGAIN;
-}
-EXPORT_SYMBOL(get_sync_clock);
-
-/*
- * Make get_sync_clock return -EAGAIN.
- */
-static void etr_disable_sync_clock(void *dummy)
-{
- atomic_t *sw_ptr = &__get_cpu_var(etr_sync_word);
- /*
- * Clear the in-sync bit 2^31. All get_sync_clock calls will
- * fail until the sync bit is turned back on. In addition
- * increase the "sequence" counter to avoid the race of an
- * etr event and the complete recovery against get_sync_clock.
- */
- atomic_clear_mask(0x80000000, sw_ptr);
- atomic_inc(sw_ptr);
-}
-
-/*
- * Make get_sync_clock return 0 again.
- * Needs to be called from a context disabled for preemption.
- */
-static void etr_enable_sync_clock(void)
-{
- atomic_t *sw_ptr = &__get_cpu_var(etr_sync_word);
- atomic_set_mask(0x80000000, sw_ptr);
-}
-
-/*
* Reset ETR attachment.
*/
static void etr_reset(void)
@@ -381,15 +437,13 @@ static void etr_reset(void)
.e0 = 0, .e1 = 0, ._pad0 = 4, .dp = 0,
.p0 = 0, .p1 = 0, ._pad1 = 0, .ea = 0,
.es = 0, .sl = 0 };
- if (etr_setr(&etr_eacr) == 0)
+ if (etr_setr(&etr_eacr) == 0) {
etr_tolec = get_clock();
- else {
- set_bit(ETR_FLAG_ENOSYS, &etr_flags);
- if (etr_port0_online || etr_port1_online) {
- printk(KERN_WARNING "Running on non ETR capable "
- "machine, only local mode available.\n");
- etr_port0_online = etr_port1_online = 0;
- }
+ set_bit(CLOCK_SYNC_HAS_ETR, &clock_sync_flags);
+ } else if (etr_port0_online || etr_port1_online) {
+ printk(KERN_WARNING "Running on non ETR capable "
+ "machine, only local mode available.\n");
+ etr_port0_online = etr_port1_online = 0;
}
}
@@ -397,14 +451,12 @@ static int __init etr_init(void)
{
struct etr_aib aib;
- if (test_bit(ETR_FLAG_ENOSYS, &etr_flags))
+ if (!test_bit(CLOCK_SYNC_HAS_ETR, &clock_sync_flags))
return 0;
/* Check if this machine has the steai instruction. */
if (etr_steai(&aib, ETR_STEAI_STEPPING_PORT) == 0)
- set_bit(ETR_FLAG_STEAI, &etr_flags);
+ etr_steai_available = 1;
setup_timer(&etr_timer, etr_timeout, 0UL);
- if (!etr_port0_online && !etr_port1_online)
- set_bit(ETR_FLAG_EACCES, &etr_flags);
if (etr_port0_online) {
set_bit(ETR_EVENT_PORT0_CHANGE, &etr_events);
schedule_work(&etr_work);
@@ -435,7 +487,8 @@ void etr_switch_to_local(void)
{
if (!etr_eacr.sl)
return;
- etr_disable_sync_clock(NULL);
+ if (test_bit(CLOCK_SYNC_ETR, &clock_sync_flags))
+ disable_sync_clock(NULL);
set_bit(ETR_EVENT_SWITCH_LOCAL, &etr_events);
schedule_work(&etr_work);
}
@@ -450,23 +503,21 @@ void etr_sync_check(void)
{
if (!etr_eacr.es)
return;
- etr_disable_sync_clock(NULL);
+ if (test_bit(CLOCK_SYNC_ETR, &clock_sync_flags))
+ disable_sync_clock(NULL);
set_bit(ETR_EVENT_SYNC_CHECK, &etr_events);
schedule_work(&etr_work);
}
/*
- * ETR external interrupt. There are two causes:
+ * ETR timing alert. There are two causes:
* 1) port state change, check the usability of the port
* 2) port alert, one of the ETR-data-validity bits (v1-v2 bits of the
* sldr-status word) or ETR-data word 1 (edf1) or ETR-data word 3 (edf3)
* or ETR-data word 4 (edf4) has changed.
*/
-static void etr_ext_handler(__u16 code)
+static void etr_timing_alert(struct etr_irq_parm *intparm)
{
- struct etr_interruption_parameter *intparm =
- (struct etr_interruption_parameter *) &S390_lowcore.ext_params;
-
if (intparm->pc0)
/* ETR port 0 state change. */
set_bit(ETR_EVENT_PORT0_CHANGE, &etr_events);
@@ -591,58 +642,23 @@ static int etr_aib_follows(struct etr_aib *a1, struct etr_aib *a2, int p)
return 1;
}
-/*
- * The time is "clock". old is what we think the time is.
- * Adjust the value by a multiple of jiffies and add the delta to ntp.
- * "delay" is an approximation how long the synchronization took. If
- * the time correction is positive, then "delay" is subtracted from
- * the time difference and only the remaining part is passed to ntp.
- */
-static unsigned long long etr_adjust_time(unsigned long long old,
- unsigned long long clock,
- unsigned long long delay)
-{
- unsigned long long delta, ticks;
- struct timex adjust;
-
- if (clock > old) {
- /* It is later than we thought. */
- delta = ticks = clock - old;
- delta = ticks = (delta < delay) ? 0 : delta - delay;
- delta -= do_div(ticks, CLK_TICKS_PER_JIFFY);
- adjust.offset = ticks * (1000000 / HZ);
- } else {
- /* It is earlier than we thought. */
- delta = ticks = old - clock;
- delta -= do_div(ticks, CLK_TICKS_PER_JIFFY);
- delta = -delta;
- adjust.offset = -ticks * (1000000 / HZ);
- }
- jiffies_timer_cc += delta;
- if (adjust.offset != 0) {
- printk(KERN_NOTICE "etr: time adjusted by %li micro-seconds\n",
- adjust.offset);
- adjust.modes = ADJ_OFFSET_SINGLESHOT;
- do_adjtimex(&adjust);
- }
- return delta;
-}
-
-static struct {
+struct clock_sync_data {
int in_sync;
unsigned long long fixup_cc;
-} etr_sync;
+};
-static void etr_sync_cpu_start(void *dummy)
+static void clock_sync_cpu_start(void *dummy)
{
- etr_enable_sync_clock();
+ struct clock_sync_data *sync = dummy;
+
+ enable_sync_clock();
/*
* This looks like a busy wait loop but it isn't. etr_sync_cpus
* is called on all other cpus while the TOD clocks is stopped.
* __udelay will stop the cpu on an enabled wait psw until the
* TOD is running again.
*/
- while (etr_sync.in_sync == 0) {
+ while (sync->in_sync == 0) {
__udelay(1);
/*
* A different cpu changes *in_sync. Therefore use
@@ -650,17 +666,17 @@ static void etr_sync_cpu_start(void *dummy)
*/
barrier();
}
- if (etr_sync.in_sync != 1)
+ if (sync->in_sync != 1)
/* Didn't work. Clear per-cpu in sync bit again. */
- etr_disable_sync_clock(NULL);
+ disable_sync_clock(NULL);
/*
* This round of TOD syncing is done. Set the clock comparator
* to the next tick and let the processor continue.
*/
- fixup_clock_comparator(etr_sync.fixup_cc);
+ fixup_clock_comparator(sync->fixup_cc);
}
-static void etr_sync_cpu_end(void *dummy)
+static void clock_sync_cpu_end(void *dummy)
{
}
@@ -672,6 +688,7 @@ static void etr_sync_cpu_end(void *dummy)
static int etr_sync_clock(struct etr_aib *aib, int port)
{
struct etr_aib *sync_port;
+ struct clock_sync_data etr_sync;
unsigned long long clock, old_clock, delay, delta;
int follows;
int rc;
@@ -690,9 +707,9 @@ static int etr_sync_clock(struct etr_aib *aib, int port)
*/
memset(&etr_sync, 0, sizeof(etr_sync));
preempt_disable();
- smp_call_function(etr_sync_cpu_start, NULL, 0, 0);
+ smp_call_function(clock_sync_cpu_start, &etr_sync, 0);
local_irq_disable();
- etr_enable_sync_clock();
+ enable_sync_clock();
/* Set clock to next OTE. */
__ctl_set_bit(14, 21);
@@ -707,13 +724,13 @@ static int etr_sync_clock(struct etr_aib *aib, int port)
/* Adjust Linux timing variables. */
delay = (unsigned long long)
(aib->edf2.etv - sync_port->edf2.etv) << 32;
- delta = etr_adjust_time(old_clock, clock, delay);
+ delta = adjust_time(old_clock, clock, delay);
etr_sync.fixup_cc = delta;
fixup_clock_comparator(delta);
/* Verify that the clock is properly set. */
if (!etr_aib_follows(sync_port, aib, port)) {
/* Didn't work. */
- etr_disable_sync_clock(NULL);
+ disable_sync_clock(NULL);
etr_sync.in_sync = -EAGAIN;
rc = -EAGAIN;
} else {
@@ -724,12 +741,12 @@ static int etr_sync_clock(struct etr_aib *aib, int port)
/* Could not set the clock ?!? */
__ctl_clear_bit(0, 29);
__ctl_clear_bit(14, 21);
- etr_disable_sync_clock(NULL);
+ disable_sync_clock(NULL);
etr_sync.in_sync = -EAGAIN;
rc = -EAGAIN;
}
local_irq_enable();
- smp_call_function(etr_sync_cpu_end,NULL,0,0);
+ smp_call_function(clock_sync_cpu_end, NULL, 0);
preempt_enable();
return rc;
}
@@ -832,7 +849,7 @@ static struct etr_eacr etr_handle_update(struct etr_aib *aib,
* Do not try to get the alternate port aib if the clock
* is not in sync yet.
*/
- if (!eacr.es)
+ if (!test_bit(CLOCK_SYNC_STP, &clock_sync_flags) && !eacr.es)
return eacr;
/*
@@ -840,7 +857,7 @@ static struct etr_eacr etr_handle_update(struct etr_aib *aib,
* the other port immediately. If only stetr is available the
* data-port bit toggle has to be used.
*/
- if (test_bit(ETR_FLAG_STEAI, &etr_flags)) {
+ if (etr_steai_available) {
if (eacr.p0 && !etr_port0_uptodate) {
etr_steai_cv(&etr_port0, ETR_STEAI_PORT_0);
etr_port0_uptodate = 1;
@@ -909,10 +926,10 @@ static void etr_work_fn(struct work_struct *work)
if (!eacr.ea) {
/* Both ports offline. Reset everything. */
eacr.dp = eacr.es = eacr.sl = 0;
- on_each_cpu(etr_disable_sync_clock, NULL, 0, 1);
+ on_each_cpu(disable_sync_clock, NULL, 1);
del_timer_sync(&etr_timer);
etr_update_eacr(eacr);
- set_bit(ETR_FLAG_EACCES, &etr_flags);
+ clear_bit(CLOCK_SYNC_ETR, &clock_sync_flags);
return;
}
@@ -953,7 +970,6 @@ static void etr_work_fn(struct work_struct *work)
eacr.e1 = 1;
sync_port = (etr_port0_uptodate &&
etr_port_valid(&etr_port0, 0)) ? 0 : -1;
- clear_bit(ETR_FLAG_EACCES, &etr_flags);
} else if (eacr.p1 && aib.esw.psc1 == etr_lpsc_pps_mode) {
eacr.sl = 0;
eacr.e0 = 0;
@@ -962,7 +978,6 @@ static void etr_work_fn(struct work_struct *work)
eacr.es = 0;
sync_port = (etr_port1_uptodate &&
etr_port_valid(&etr_port1, 1)) ? 1 : -1;
- clear_bit(ETR_FLAG_EACCES, &etr_flags);
} else if (eacr.p0 && aib.esw.psc0 == etr_lpsc_operational_step) {
eacr.sl = 1;
eacr.e0 = 1;
@@ -976,7 +991,6 @@ static void etr_work_fn(struct work_struct *work)
eacr.e1 = 1;
sync_port = (etr_port0_uptodate &&
etr_port_valid(&etr_port0, 0)) ? 0 : -1;
- clear_bit(ETR_FLAG_EACCES, &etr_flags);
} else if (eacr.p1 && aib.esw.psc1 == etr_lpsc_operational_step) {
eacr.sl = 1;
eacr.e0 = 0;
@@ -985,19 +999,22 @@ static void etr_work_fn(struct work_struct *work)
eacr.es = 0;
sync_port = (etr_port1_uptodate &&
etr_port_valid(&etr_port1, 1)) ? 1 : -1;
- clear_bit(ETR_FLAG_EACCES, &etr_flags);
} else {
/* Both ports not usable. */
eacr.es = eacr.sl = 0;
sync_port = -1;
- set_bit(ETR_FLAG_EACCES, &etr_flags);
+ clear_bit(CLOCK_SYNC_ETR, &clock_sync_flags);
}
+ if (!test_bit(CLOCK_SYNC_ETR, &clock_sync_flags))
+ eacr.es = 0;
+
/*
* If the clock is in sync just update the eacr and return.
* If there is no valid sync port wait for a port update.
*/
- if (eacr.es || sync_port < 0) {
+ if (test_bit(CLOCK_SYNC_STP, &clock_sync_flags) ||
+ eacr.es || sync_port < 0) {
etr_update_eacr(eacr);
etr_set_tolec_timeout(now);
return;
@@ -1018,11 +1035,13 @@ static void etr_work_fn(struct work_struct *work)
* and set up a timer to try again after 0.5 seconds
*/
etr_update_eacr(eacr);
+ set_bit(CLOCK_SYNC_ETR, &clock_sync_flags);
if (now < etr_tolec + (1600000 << 12) ||
etr_sync_clock(&aib, sync_port) != 0) {
/* Sync failed. Try again in 1/2 second. */
eacr.es = 0;
etr_update_eacr(eacr);
+ clear_bit(CLOCK_SYNC_ETR, &clock_sync_flags);
etr_set_sync_timeout();
} else
etr_set_tolec_timeout(now);
@@ -1097,8 +1116,8 @@ static ssize_t etr_online_store(struct sys_device *dev,
value = simple_strtoul(buf, NULL, 0);
if (value != 0 && value != 1)
return -EINVAL;
- if (test_bit(ETR_FLAG_ENOSYS, &etr_flags))
- return -ENOSYS;
+ if (!test_bit(CLOCK_SYNC_HAS_ETR, &clock_sync_flags))
+ return -EOPNOTSUPP;
if (dev == &etr_port0_dev) {
if (etr_port0_online == value)
return count; /* Nothing to do. */
@@ -1292,3 +1311,318 @@ out:
}
device_initcall(etr_init_sysfs);
+
+/*
+ * Server Time Protocol (STP) code.
+ */
+static int stp_online;
+static struct stp_sstpi stp_info;
+static void *stp_page;
+
+static void stp_work_fn(struct work_struct *work);
+static DECLARE_WORK(stp_work, stp_work_fn);
+
+static int __init early_parse_stp(char *p)
+{
+ if (strncmp(p, "off", 3) == 0)
+ stp_online = 0;
+ else if (strncmp(p, "on", 2) == 0)
+ stp_online = 1;
+ return 0;
+}
+early_param("stp", early_parse_stp);
+
+/*
+ * Reset STP attachment.
+ */
+static void stp_reset(void)
+{
+ int rc;
+
+ stp_page = alloc_bootmem_pages(PAGE_SIZE);
+ rc = chsc_sstpc(stp_page, STP_OP_CTRL, 0x0000);
+ if (rc == 1)
+ set_bit(CLOCK_SYNC_HAS_STP, &clock_sync_flags);
+ else if (stp_online) {
+ printk(KERN_WARNING "Running on non STP capable machine.\n");
+ free_bootmem((unsigned long) stp_page, PAGE_SIZE);
+ stp_page = NULL;
+ stp_online = 0;
+ }
+}
+
+static int __init stp_init(void)
+{
+ if (test_bit(CLOCK_SYNC_HAS_STP, &clock_sync_flags) && stp_online)
+ schedule_work(&stp_work);
+ return 0;
+}
+
+arch_initcall(stp_init);
+
+/*
+ * STP timing alert. There are three causes:
+ * 1) timing status change
+ * 2) link availability change
+ * 3) time control parameter change
+ * In all three cases we are only interested in the clock source state.
+ * If a STP clock source is now available use it.
+ */
+static void stp_timing_alert(struct stp_irq_parm *intparm)
+{
+ if (intparm->tsc || intparm->lac || intparm->tcpc)
+ schedule_work(&stp_work);
+}
+
+/*
+ * STP sync check machine check. This is called when the timing state
+ * changes from the synchronized state to the unsynchronized state.
+ * After a STP sync check the clock is not in sync. The machine check
+ * is broadcasted to all cpus at the same time.
+ */
+void stp_sync_check(void)
+{
+ if (!test_bit(CLOCK_SYNC_STP, &clock_sync_flags))
+ return;
+ disable_sync_clock(NULL);
+ schedule_work(&stp_work);
+}
+
+/*
+ * STP island condition machine check. This is called when an attached
+ * server attempts to communicate over an STP link and the servers
+ * have matching CTN ids and have a valid stratum-1 configuration
+ * but the configurations do not match.
+ */
+void stp_island_check(void)
+{
+ if (!test_bit(CLOCK_SYNC_STP, &clock_sync_flags))
+ return;
+ disable_sync_clock(NULL);
+ schedule_work(&stp_work);
+}
+
+/*
+ * STP tasklet. Check for the STP state and take over the clock
+ * synchronization if the STP clock source is usable.
+ */
+static void stp_work_fn(struct work_struct *work)
+{
+ struct clock_sync_data stp_sync;
+ unsigned long long old_clock, delta;
+ int rc;
+
+ if (!stp_online) {
+ chsc_sstpc(stp_page, STP_OP_CTRL, 0x0000);
+ return;
+ }
+
+ rc = chsc_sstpc(stp_page, STP_OP_CTRL, 0xb0e0);
+ if (rc)
+ return;
+
+ rc = chsc_sstpi(stp_page, &stp_info, sizeof(struct stp_sstpi));
+ if (rc || stp_info.c == 0)
+ return;
+
+ /*
+ * Catch all other cpus and make them wait until we have
+ * successfully synced the clock. smp_call_function will
+ * return after all other cpus are in clock_sync_cpu_start.
+ */
+ memset(&stp_sync, 0, sizeof(stp_sync));
+ preempt_disable();
+ smp_call_function(clock_sync_cpu_start, &stp_sync, 0);
+ local_irq_disable();
+ enable_sync_clock();
+
+ set_bit(CLOCK_SYNC_STP, &clock_sync_flags);
+ if (test_and_clear_bit(CLOCK_SYNC_ETR, &clock_sync_flags))
+ schedule_work(&etr_work);
+
+ rc = 0;
+ if (stp_info.todoff[0] || stp_info.todoff[1] ||
+ stp_info.todoff[2] || stp_info.todoff[3] ||
+ stp_info.tmd != 2) {
+ old_clock = get_clock();
+ rc = chsc_sstpc(stp_page, STP_OP_SYNC, 0);
+ if (rc == 0) {
+ delta = adjust_time(old_clock, get_clock(), 0);
+ fixup_clock_comparator(delta);
+ rc = chsc_sstpi(stp_page, &stp_info,
+ sizeof(struct stp_sstpi));
+ if (rc == 0 && stp_info.tmd != 2)
+ rc = -EAGAIN;
+ }
+ }
+ if (rc) {
+ disable_sync_clock(NULL);
+ stp_sync.in_sync = -EAGAIN;
+ clear_bit(CLOCK_SYNC_STP, &clock_sync_flags);
+ if (etr_port0_online || etr_port1_online)
+ schedule_work(&etr_work);
+ } else
+ stp_sync.in_sync = 1;
+
+ local_irq_enable();
+ smp_call_function(clock_sync_cpu_end, NULL, 0);
+ preempt_enable();
+}
+
+/*
+ * STP class sysfs interface functions
+ */
+static struct sysdev_class stp_sysclass = {
+ .name = "stp",
+};
+
+static ssize_t stp_ctn_id_show(struct sysdev_class *class, char *buf)
+{
+ if (!stp_online)
+ return -ENODATA;
+ return sprintf(buf, "%016llx\n",
+ *(unsigned long long *) stp_info.ctnid);
+}
+
+static SYSDEV_CLASS_ATTR(ctn_id, 0400, stp_ctn_id_show, NULL);
+
+static ssize_t stp_ctn_type_show(struct sysdev_class *class, char *buf)
+{
+ if (!stp_online)
+ return -ENODATA;
+ return sprintf(buf, "%i\n", stp_info.ctn);
+}
+
+static SYSDEV_CLASS_ATTR(ctn_type, 0400, stp_ctn_type_show, NULL);
+
+static ssize_t stp_dst_offset_show(struct sysdev_class *class, char *buf)
+{
+ if (!stp_online || !(stp_info.vbits & 0x2000))
+ return -ENODATA;
+ return sprintf(buf, "%i\n", (int)(s16) stp_info.dsto);
+}
+
+static SYSDEV_CLASS_ATTR(dst_offset, 0400, stp_dst_offset_show, NULL);
+
+static ssize_t stp_leap_seconds_show(struct sysdev_class *class, char *buf)
+{
+ if (!stp_online || !(stp_info.vbits & 0x8000))
+ return -ENODATA;
+ return sprintf(buf, "%i\n", (int)(s16) stp_info.leaps);
+}
+
+static SYSDEV_CLASS_ATTR(leap_seconds, 0400, stp_leap_seconds_show, NULL);
+
+static ssize_t stp_stratum_show(struct sysdev_class *class, char *buf)
+{
+ if (!stp_online)
+ return -ENODATA;
+ return sprintf(buf, "%i\n", (int)(s16) stp_info.stratum);
+}
+
+static SYSDEV_CLASS_ATTR(stratum, 0400, stp_stratum_show, NULL);
+
+static ssize_t stp_time_offset_show(struct sysdev_class *class, char *buf)
+{
+ if (!stp_online || !(stp_info.vbits & 0x0800))
+ return -ENODATA;
+ return sprintf(buf, "%i\n", (int) stp_info.tto);
+}
+
+static SYSDEV_CLASS_ATTR(time_offset, 0400, stp_time_offset_show, NULL);
+
+static ssize_t stp_time_zone_offset_show(struct sysdev_class *class, char *buf)
+{
+ if (!stp_online || !(stp_info.vbits & 0x4000))
+ return -ENODATA;
+ return sprintf(buf, "%i\n", (int)(s16) stp_info.tzo);
+}
+
+static SYSDEV_CLASS_ATTR(time_zone_offset, 0400,
+ stp_time_zone_offset_show, NULL);
+
+static ssize_t stp_timing_mode_show(struct sysdev_class *class, char *buf)
+{
+ if (!stp_online)
+ return -ENODATA;
+ return sprintf(buf, "%i\n", stp_info.tmd);
+}
+
+static SYSDEV_CLASS_ATTR(timing_mode, 0400, stp_timing_mode_show, NULL);
+
+static ssize_t stp_timing_state_show(struct sysdev_class *class, char *buf)
+{
+ if (!stp_online)
+ return -ENODATA;
+ return sprintf(buf, "%i\n", stp_info.tst);
+}
+
+static SYSDEV_CLASS_ATTR(timing_state, 0400, stp_timing_state_show, NULL);
+
+static ssize_t stp_online_show(struct sysdev_class *class, char *buf)
+{
+ return sprintf(buf, "%i\n", stp_online);
+}
+
+static ssize_t stp_online_store(struct sysdev_class *class,
+ const char *buf, size_t count)
+{
+ unsigned int value;
+
+ value = simple_strtoul(buf, NULL, 0);
+ if (value != 0 && value != 1)
+ return -EINVAL;
+ if (!test_bit(CLOCK_SYNC_HAS_STP, &clock_sync_flags))
+ return -EOPNOTSUPP;
+ stp_online = value;
+ schedule_work(&stp_work);
+ return count;
+}
+
+/*
+ * Can't use SYSDEV_CLASS_ATTR because the attribute should be named
+ * stp/online but attr_online already exists in this file ..
+ */
+static struct sysdev_class_attribute attr_stp_online = {
+ .attr = { .name = "online", .mode = 0600 },
+ .show = stp_online_show,
+ .store = stp_online_store,
+};
+
+static struct sysdev_class_attribute *stp_attributes[] = {
+ &attr_ctn_id,
+ &attr_ctn_type,
+ &attr_dst_offset,
+ &attr_leap_seconds,
+ &attr_stp_online,
+ &attr_stratum,
+ &attr_time_offset,
+ &attr_time_zone_offset,
+ &attr_timing_mode,
+ &attr_timing_state,
+ NULL
+};
+
+static int __init stp_init_sysfs(void)
+{
+ struct sysdev_class_attribute **attr;
+ int rc;
+
+ rc = sysdev_class_register(&stp_sysclass);
+ if (rc)
+ goto out;
+ for (attr = stp_attributes; *attr; attr++) {
+ rc = sysdev_class_create_file(&stp_sysclass, *attr);
+ if (rc)
+ goto out_unreg;
+ }
+ return 0;
+out_unreg:
+ for (; attr >= stp_attributes; attr--)
+ sysdev_class_remove_file(&stp_sysclass, *attr);
+ sysdev_class_unregister(&stp_sysclass);
+out:
+ return rc;
+}
+
+device_initcall(stp_init_sysfs);
diff --git a/arch/s390/kernel/topology.c b/arch/s390/kernel/topology.c
index 661a0721705..212d618b009 100644
--- a/arch/s390/kernel/topology.c
+++ b/arch/s390/kernel/topology.c
@@ -313,8 +313,6 @@ void __init s390_init_cpu_topology(void)
machine_has_topology_irq = 1;
tl_info = alloc_bootmem_pages(PAGE_SIZE);
- if (!tl_info)
- goto error;
info = tl_info;
stsi(info, 15, 1, 2);
diff --git a/arch/s390/kernel/vmlinux.lds.S b/arch/s390/kernel/vmlinux.lds.S
index b4607155e8d..76c1e60c92f 100644
--- a/arch/s390/kernel/vmlinux.lds.S
+++ b/arch/s390/kernel/vmlinux.lds.S
@@ -40,7 +40,6 @@ SECTIONS
_etext = .; /* End of text section */
NOTES :text :note
- BUG_TABLE :text
RODATA
diff --git a/arch/s390/kernel/vtime.c b/arch/s390/kernel/vtime.c
index ca90ee3f930..0fa5dc5d68e 100644
--- a/arch/s390/kernel/vtime.c
+++ b/arch/s390/kernel/vtime.c
@@ -136,7 +136,7 @@ static inline void set_vtimer(__u64 expires)
}
#endif
-static void start_cpu_timer(void)
+void vtime_start_cpu_timer(void)
{
struct vtimer_queue *vt_list;
@@ -150,7 +150,7 @@ static void start_cpu_timer(void)
set_vtimer(vt_list->idle);
}
-static void stop_cpu_timer(void)
+void vtime_stop_cpu_timer(void)
{
struct vtimer_queue *vt_list;
@@ -318,8 +318,7 @@ static void internal_add_vtimer(struct vtimer_list *timer)
vt_list = &per_cpu(virt_cpu_timer, timer->cpu);
spin_lock_irqsave(&vt_list->lock, flags);
- if (timer->cpu != smp_processor_id())
- printk("internal_add_vtimer: BUG, running on wrong CPU");
+ BUG_ON(timer->cpu != smp_processor_id());
/* if list is empty we only have to set the timer */
if (list_empty(&vt_list->list)) {
@@ -353,25 +352,12 @@ static void internal_add_vtimer(struct vtimer_list *timer)
put_cpu();
}
-static inline int prepare_vtimer(struct vtimer_list *timer)
+static inline void prepare_vtimer(struct vtimer_list *timer)
{
- if (!timer->function) {
- printk("add_virt_timer: uninitialized timer\n");
- return -EINVAL;
- }
-
- if (!timer->expires || timer->expires > VTIMER_MAX_SLICE) {
- printk("add_virt_timer: invalid timer expire value!\n");
- return -EINVAL;
- }
-
- if (vtimer_pending(timer)) {
- printk("add_virt_timer: timer pending\n");
- return -EBUSY;
- }
-
+ BUG_ON(!timer->function);
+ BUG_ON(!timer->expires || timer->expires > VTIMER_MAX_SLICE);
+ BUG_ON(vtimer_pending(timer));
timer->cpu = get_cpu();
- return 0;
}
/*
@@ -382,10 +368,7 @@ void add_virt_timer(void *new)
struct vtimer_list *timer;
timer = (struct vtimer_list *)new;
-
- if (prepare_vtimer(timer) < 0)
- return;
-
+ prepare_vtimer(timer);
timer->interval = 0;
internal_add_vtimer(timer);
}
@@ -399,10 +382,7 @@ void add_virt_timer_periodic(void *new)
struct vtimer_list *timer;
timer = (struct vtimer_list *)new;
-
- if (prepare_vtimer(timer) < 0)
- return;
-
+ prepare_vtimer(timer);
timer->interval = timer->expires;
internal_add_vtimer(timer);
}
@@ -423,15 +403,8 @@ int mod_virt_timer(struct vtimer_list *timer, __u64 expires)
unsigned long flags;
int cpu;
- if (!timer->function) {
- printk("mod_virt_timer: uninitialized timer\n");
- return -EINVAL;
- }
-
- if (!expires || expires > VTIMER_MAX_SLICE) {
- printk("mod_virt_timer: invalid expire range\n");
- return -EINVAL;
- }
+ BUG_ON(!timer->function);
+ BUG_ON(!expires || expires > VTIMER_MAX_SLICE);
/*
* This is a common optimization triggered by the
@@ -444,6 +417,9 @@ int mod_virt_timer(struct vtimer_list *timer, __u64 expires)
cpu = get_cpu();
vt_list = &per_cpu(virt_cpu_timer, cpu);
+ /* check if we run on the right CPU */
+ BUG_ON(timer->cpu != cpu);
+
/* disable interrupts before test if timer is pending */
spin_lock_irqsave(&vt_list->lock, flags);
@@ -458,14 +434,6 @@ int mod_virt_timer(struct vtimer_list *timer, __u64 expires)
return 0;
}
- /* check if we run on the right CPU */
- if (timer->cpu != cpu) {
- printk("mod_virt_timer: running on wrong CPU, check your code\n");
- spin_unlock_irqrestore(&vt_list->lock, flags);
- put_cpu();
- return -EINVAL;
- }
-
list_del_init(&timer->entry);
timer->expires = expires;
@@ -536,24 +504,6 @@ void init_cpu_vtimer(void)
}
-static int vtimer_idle_notify(struct notifier_block *self,
- unsigned long action, void *hcpu)
-{
- switch (action) {
- case S390_CPU_IDLE:
- stop_cpu_timer();
- break;
- case S390_CPU_NOT_IDLE:
- start_cpu_timer();
- break;
- }
- return NOTIFY_OK;
-}
-
-static struct notifier_block vtimer_idle_nb = {
- .notifier_call = vtimer_idle_notify,
-};
-
void __init vtime_init(void)
{
/* request the cpu timer external interrupt */
@@ -561,9 +511,6 @@ void __init vtime_init(void)
&ext_int_info_timer) != 0)
panic("Couldn't request external interrupt 0x1005");
- if (register_idle_notifier(&vtimer_idle_nb))
- panic("Couldn't register idle notifier");
-
/* Enable cpu timer interrupts on the boot cpu. */
init_cpu_vtimer();
}
diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c
index 05598649b32..388cc742005 100644
--- a/arch/s390/mm/init.c
+++ b/arch/s390/mm/init.c
@@ -202,3 +202,22 @@ void free_initrd_mem(unsigned long start, unsigned long end)
}
}
#endif
+
+#ifdef CONFIG_MEMORY_HOTPLUG
+int arch_add_memory(int nid, u64 start, u64 size)
+{
+ struct pglist_data *pgdat;
+ struct zone *zone;
+ int rc;
+
+ pgdat = NODE_DATA(nid);
+ zone = pgdat->node_zones + ZONE_NORMAL;
+ rc = vmem_add_mapping(start, size);
+ if (rc)
+ return rc;
+ rc = __add_pages(zone, PFN_DOWN(start), PFN_DOWN(size));
+ if (rc)
+ vmem_remove_mapping(start, size);
+ return rc;
+}
+#endif /* CONFIG_MEMORY_HOTPLUG */
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 9a854c8e527..3e7384f4619 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -688,6 +688,7 @@ config CRASH_DUMP
config SMP
bool "Symmetric multi-processing support"
depends on SYS_SUPPORTS_SMP
+ select USE_GENERIC_SMP_HELPERS
---help---
This enables support for systems with more than one CPU. If you have
a system with only one CPU, like most personal computers, say N. If
diff --git a/arch/sh/boards/landisk/gio.c b/arch/sh/boards/landisk/gio.c
index 17025080db3..0c15b0a50b9 100644
--- a/arch/sh/boards/landisk/gio.c
+++ b/arch/sh/boards/landisk/gio.c
@@ -14,6 +14,7 @@
*/
#include <linux/module.h>
#include <linux/init.h>
+#include <linux/smp_lock.h>
#include <linux/kdev_t.h>
#include <linux/cdev.h>
#include <linux/fs.h>
@@ -32,17 +33,20 @@ static int openCnt;
static int gio_open(struct inode *inode, struct file *filp)
{
int minor;
+ int ret = -ENOENT;
+ lock_kernel();
minor = MINOR(inode->i_rdev);
if (minor < DEVCOUNT) {
if (openCnt > 0) {
- return -EALREADY;
+ ret = -EALREADY;
} else {
openCnt++;
- return 0;
+ ret = 0;
}
}
- return -ENOENT;
+ unlock_kernel();
+ return ret;
}
static int gio_close(struct inode *inode, struct file *filp)
diff --git a/arch/sh/configs/landisk_defconfig b/arch/sh/configs/landisk_defconfig
index f52db125432..38f934ab50c 100644
--- a/arch/sh/configs/landisk_defconfig
+++ b/arch/sh/configs/landisk_defconfig
@@ -226,7 +226,6 @@ CONFIG_CPU_HAS_PTEA=y
#
CONFIG_SH_TMU=y
CONFIG_SH_TIMER_IRQ=16
-# CONFIG_NO_IDLE_HZ is not set
CONFIG_SH_PCLK_FREQ=33333333
#
diff --git a/arch/sh/configs/lboxre2_defconfig b/arch/sh/configs/lboxre2_defconfig
index 9fa66d92a4e..b68b6cdbb78 100644
--- a/arch/sh/configs/lboxre2_defconfig
+++ b/arch/sh/configs/lboxre2_defconfig
@@ -231,7 +231,6 @@ CONFIG_CPU_HAS_PTEA=y
#
CONFIG_SH_TMU=y
CONFIG_SH_TIMER_IRQ=16
-# CONFIG_NO_IDLE_HZ is not set
CONFIG_SH_PCLK_FREQ=40000000
#
diff --git a/arch/sh/configs/se7705_defconfig b/arch/sh/configs/se7705_defconfig
index 84717d85486..490dcbc2ce3 100644
--- a/arch/sh/configs/se7705_defconfig
+++ b/arch/sh/configs/se7705_defconfig
@@ -239,7 +239,6 @@ CONFIG_CPU_HAS_SR_RB=y
#
CONFIG_SH_TMU=y
CONFIG_SH_TIMER_IRQ=16
-# CONFIG_NO_IDLE_HZ is not set
CONFIG_SH_PCLK_FREQ=33333333
#
diff --git a/arch/sh/configs/se7712_defconfig b/arch/sh/configs/se7712_defconfig
index 240a1cef69a..2dd83af988f 100644
--- a/arch/sh/configs/se7712_defconfig
+++ b/arch/sh/configs/se7712_defconfig
@@ -236,7 +236,6 @@ CONFIG_CPU_HAS_SR_RB=y
#
CONFIG_SH_TMU=y
CONFIG_SH_TIMER_IRQ=16
-# CONFIG_NO_IDLE_HZ is not set
CONFIG_SH_PCLK_FREQ=66666666
#
diff --git a/arch/sh/configs/se7750_defconfig b/arch/sh/configs/se7750_defconfig
index c60b6fd4fc4..167786f9a9b 100644
--- a/arch/sh/configs/se7750_defconfig
+++ b/arch/sh/configs/se7750_defconfig
@@ -235,7 +235,6 @@ CONFIG_CPU_HAS_PTEA=y
#
CONFIG_SH_TMU=y
CONFIG_SH_TIMER_IRQ=16
-# CONFIG_NO_IDLE_HZ is not set
CONFIG_SH_PCLK_FREQ=33333333
#
diff --git a/arch/sh/kernel/smp.c b/arch/sh/kernel/smp.c
index 5d039d168f5..60c50841143 100644
--- a/arch/sh/kernel/smp.c
+++ b/arch/sh/kernel/smp.c
@@ -36,13 +36,6 @@ EXPORT_SYMBOL(cpu_possible_map);
cpumask_t cpu_online_map;
EXPORT_SYMBOL(cpu_online_map);
-static atomic_t cpus_booted = ATOMIC_INIT(0);
-
-/*
- * Run specified function on a particular processor.
- */
-void __smp_call_function(unsigned int cpu);
-
static inline void __init smp_store_cpu_info(unsigned int cpu)
{
struct sh_cpuinfo *c = cpu_data + cpu;
@@ -175,45 +168,20 @@ static void stop_this_cpu(void *unused)
void smp_send_stop(void)
{
- smp_call_function(stop_this_cpu, 0, 1, 0);
+ smp_call_function(stop_this_cpu, 0, 0);
}
-struct smp_fn_call_struct smp_fn_call = {
- .lock = __SPIN_LOCK_UNLOCKED(smp_fn_call.lock),
- .finished = ATOMIC_INIT(0),
-};
-
-/*
- * The caller of this wants the passed function to run on every cpu. If wait
- * is set, wait until all cpus have finished the function before returning.
- * The lock is here to protect the call structure.
- * You must not call this function with disabled interrupts or from a
- * hardware interrupt handler or from a bottom half handler.
- */
-int smp_call_function(void (*func)(void *info), void *info, int retry, int wait)
+void arch_send_call_function_ipi(cpumask_t mask)
{
- unsigned int nr_cpus = atomic_read(&cpus_booted);
- int i;
-
- /* Can deadlock when called with interrupts disabled */
- WARN_ON(irqs_disabled());
-
- spin_lock(&smp_fn_call.lock);
-
- atomic_set(&smp_fn_call.finished, 0);
- smp_fn_call.fn = func;
- smp_fn_call.data = info;
-
- for (i = 0; i < nr_cpus; i++)
- if (i != smp_processor_id())
- plat_send_ipi(i, SMP_MSG_FUNCTION);
-
- if (wait)
- while (atomic_read(&smp_fn_call.finished) != (nr_cpus - 1));
+ int cpu;
- spin_unlock(&smp_fn_call.lock);
+ for_each_cpu_mask(cpu, mask)
+ plat_send_ipi(cpu, SMP_MSG_FUNCTION);
+}
- return 0;
+void arch_send_call_function_single_ipi(int cpu)
+{
+ plat_send_ipi(cpu, SMP_MSG_FUNCTION_SINGLE);
}
/* Not really SMP stuff ... */
@@ -229,7 +197,7 @@ static void flush_tlb_all_ipi(void *info)
void flush_tlb_all(void)
{
- on_each_cpu(flush_tlb_all_ipi, 0, 1, 1);
+ on_each_cpu(flush_tlb_all_ipi, 0, 1);
}
static void flush_tlb_mm_ipi(void *mm)
@@ -255,7 +223,7 @@ void flush_tlb_mm(struct mm_struct *mm)
preempt_disable();
if ((atomic_read(&mm->mm_users) != 1) || (current->mm != mm)) {
- smp_call_function(flush_tlb_mm_ipi, (void *)mm, 1, 1);
+ smp_call_function(flush_tlb_mm_ipi, (void *)mm, 1);
} else {
int i;
for (i = 0; i < num_online_cpus(); i++)
@@ -292,7 +260,7 @@ void flush_tlb_range(struct vm_area_struct *vma,
fd.vma = vma;
fd.addr1 = start;
fd.addr2 = end;
- smp_call_function(flush_tlb_range_ipi, (void *)&fd, 1, 1);
+ smp_call_function(flush_tlb_range_ipi, (void *)&fd, 1);
} else {
int i;
for (i = 0; i < num_online_cpus(); i++)
@@ -316,7 +284,7 @@ void flush_tlb_kernel_range(unsigned long start, unsigned long end)
fd.addr1 = start;
fd.addr2 = end;
- on_each_cpu(flush_tlb_kernel_range_ipi, (void *)&fd, 1, 1);
+ on_each_cpu(flush_tlb_kernel_range_ipi, (void *)&fd, 1);
}
static void flush_tlb_page_ipi(void *info)
@@ -335,7 +303,7 @@ void flush_tlb_page(struct vm_area_struct *vma, unsigned long page)
fd.vma = vma;
fd.addr1 = page;
- smp_call_function(flush_tlb_page_ipi, (void *)&fd, 1, 1);
+ smp_call_function(flush_tlb_page_ipi, (void *)&fd, 1);
} else {
int i;
for (i = 0; i < num_online_cpus(); i++)
@@ -359,6 +327,6 @@ void flush_tlb_one(unsigned long asid, unsigned long vaddr)
fd.addr1 = asid;
fd.addr2 = vaddr;
- smp_call_function(flush_tlb_one_ipi, (void *)&fd, 1, 1);
+ smp_call_function(flush_tlb_one_ipi, (void *)&fd, 1);
local_flush_tlb_one(asid, vaddr);
}
diff --git a/arch/sh/kernel/stacktrace.c b/arch/sh/kernel/stacktrace.c
index d41e561be20..1b2ae35c4a7 100644
--- a/arch/sh/kernel/stacktrace.c
+++ b/arch/sh/kernel/stacktrace.c
@@ -34,3 +34,4 @@ void save_stack_trace(struct stack_trace *trace)
}
}
}
+EXPORT_SYMBOL_GPL(save_stack_trace);
diff --git a/arch/sh/kernel/vmlinux_32.lds.S b/arch/sh/kernel/vmlinux_32.lds.S
index c7113786ecd..7b4b82bd115 100644
--- a/arch/sh/kernel/vmlinux_32.lds.S
+++ b/arch/sh/kernel/vmlinux_32.lds.S
@@ -44,7 +44,6 @@ SECTIONS
_etext = .; /* End of text section */
- BUG_TABLE
NOTES
RO_DATA(PAGE_SIZE)
diff --git a/arch/sh/kernel/vmlinux_64.lds.S b/arch/sh/kernel/vmlinux_64.lds.S
index d1e177009a4..33fa4645140 100644
--- a/arch/sh/kernel/vmlinux_64.lds.S
+++ b/arch/sh/kernel/vmlinux_64.lds.S
@@ -65,7 +65,6 @@ SECTIONS
_etext = .; /* End of text section */
- BUG_TABLE
NOTES
RO_DATA(PAGE_SIZE)
diff --git a/arch/sparc/kernel/apc.c b/arch/sparc/kernel/apc.c
index d06a405ca71..6707422c984 100644
--- a/arch/sparc/kernel/apc.c
+++ b/arch/sparc/kernel/apc.c
@@ -10,6 +10,7 @@
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/miscdevice.h>
+#include <linux/smp_lock.h>
#include <linux/pm.h>
#include <asm/io.h>
@@ -75,6 +76,7 @@ static inline void apc_free(void)
static int apc_open(struct inode *inode, struct file *f)
{
+ cycle_kernel_lock();
return 0;
}
diff --git a/arch/sparc64/Kconfig b/arch/sparc64/Kconfig
index eb36f3b746b..fca9246470b 100644
--- a/arch/sparc64/Kconfig
+++ b/arch/sparc64/Kconfig
@@ -11,6 +11,8 @@ config SPARC
config SPARC64
bool
default y
+ select HAVE_DYNAMIC_FTRACE
+ select HAVE_FTRACE
select HAVE_IDE
select HAVE_LMB
select HAVE_ARCH_KGDB
diff --git a/arch/sparc64/Kconfig.debug b/arch/sparc64/Kconfig.debug
index 6a4d28a4076..d6d32d178fc 100644
--- a/arch/sparc64/Kconfig.debug
+++ b/arch/sparc64/Kconfig.debug
@@ -33,7 +33,7 @@ config DEBUG_PAGEALLOC
config MCOUNT
bool
- depends on STACK_DEBUG
+ depends on STACK_DEBUG || FTRACE
default y
config FRAME_POINTER
diff --git a/arch/sparc64/kernel/Makefile b/arch/sparc64/kernel/Makefile
index ec4f5ebb1ca..418b5782096 100644
--- a/arch/sparc64/kernel/Makefile
+++ b/arch/sparc64/kernel/Makefile
@@ -14,6 +14,7 @@ obj-y := process.o setup.o cpu.o idprom.o \
power.o sbus.o sparc64_ksyms.o chmc.o \
visemul.o prom.o of_device.o hvapi.o sstate.o mdesc.o
+obj-$(CONFIG_DYNAMIC_FTRACE) += ftrace.o
obj-$(CONFIG_STACKTRACE) += stacktrace.o
obj-$(CONFIG_PCI) += ebus.o pci_common.o \
pci_psycho.o pci_sabre.o pci_schizo.o \
diff --git a/arch/sparc64/kernel/ftrace.c b/arch/sparc64/kernel/ftrace.c
new file mode 100644
index 00000000000..4298d0aee71
--- /dev/null
+++ b/arch/sparc64/kernel/ftrace.c
@@ -0,0 +1,94 @@
+#include <linux/spinlock.h>
+#include <linux/hardirq.h>
+#include <linux/ftrace.h>
+#include <linux/percpu.h>
+#include <linux/init.h>
+#include <linux/list.h>
+
+#include <asm/ftrace.h>
+
+static const u32 ftrace_nop = 0x01000000;
+
+notrace unsigned char *ftrace_nop_replace(void)
+{
+ return (char *)&ftrace_nop;
+}
+
+notrace unsigned char *ftrace_call_replace(unsigned long ip, unsigned long addr)
+{
+ static u32 call;
+ s32 off;
+
+ off = ((s32)addr - (s32)ip);
+ call = 0x40000000 | ((u32)off >> 2);
+
+ return (unsigned char *) &call;
+}
+
+notrace int
+ftrace_modify_code(unsigned long ip, unsigned char *old_code,
+ unsigned char *new_code)
+{
+ u32 old = *(u32 *)old_code;
+ u32 new = *(u32 *)new_code;
+ u32 replaced;
+ int faulted;
+
+ __asm__ __volatile__(
+ "1: cas [%[ip]], %[old], %[new]\n"
+ " flush %[ip]\n"
+ " mov 0, %[faulted]\n"
+ "2:\n"
+ " .section .fixup,#alloc,#execinstr\n"
+ " .align 4\n"
+ "3: sethi %%hi(2b), %[faulted]\n"
+ " jmpl %[faulted] + %%lo(2b), %%g0\n"
+ " mov 1, %[faulted]\n"
+ " .previous\n"
+ " .section __ex_table,\"a\"\n"
+ " .align 4\n"
+ " .word 1b, 3b\n"
+ " .previous\n"
+ : "=r" (replaced), [faulted] "=r" (faulted)
+ : [new] "0" (new), [old] "r" (old), [ip] "r" (ip)
+ : "memory");
+
+ if (replaced != old && replaced != new)
+ faulted = 2;
+
+ return faulted;
+}
+
+notrace int ftrace_update_ftrace_func(ftrace_func_t func)
+{
+ unsigned long ip = (unsigned long)(&ftrace_call);
+ unsigned char old[MCOUNT_INSN_SIZE], *new;
+
+ memcpy(old, &ftrace_call, MCOUNT_INSN_SIZE);
+ new = ftrace_call_replace(ip, (unsigned long)func);
+ return ftrace_modify_code(ip, old, new);
+}
+
+notrace int ftrace_mcount_set(unsigned long *data)
+{
+ unsigned long ip = (long)(&mcount_call);
+ unsigned long *addr = data;
+ unsigned char old[MCOUNT_INSN_SIZE], *new;
+
+ /*
+ * Replace the mcount stub with a pointer to the
+ * ip recorder function.
+ */
+ memcpy(old, &mcount_call, MCOUNT_INSN_SIZE);
+ new = ftrace_call_replace(ip, *addr);
+ *addr = ftrace_modify_code(ip, old, new);
+
+ return 0;
+}
+
+
+int __init ftrace_dyn_arch_init(void *data)
+{
+ ftrace_mcount_set(data);
+ return 0;
+}
diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c
index fa63c68a181..c099d96f123 100644
--- a/arch/sparc64/kernel/smp.c
+++ b/arch/sparc64/kernel/smp.c
@@ -807,7 +807,6 @@ extern unsigned long xcall_call_function;
* smp_call_function(): Run a function on all other CPUs.
* @func: The function to run. This must be fast and non-blocking.
* @info: An arbitrary pointer to pass to the function.
- * @nonatomic: currently unused.
* @wait: If true, wait (atomically) until function has completed on other CPUs.
*
* Returns 0 on success, else a negative status code. Does not return until
@@ -816,8 +815,8 @@ extern unsigned long xcall_call_function;
* You must not call this function with disabled interrupts or from a
* hardware interrupt handler or from a bottom half handler.
*/
-static int smp_call_function_mask(void (*func)(void *info), void *info,
- int nonatomic, int wait, cpumask_t mask)
+static int sparc64_smp_call_function_mask(void (*func)(void *info), void *info,
+ int wait, cpumask_t mask)
{
struct call_data_struct data;
int cpus;
@@ -852,11 +851,9 @@ out_unlock:
return 0;
}
-int smp_call_function(void (*func)(void *info), void *info,
- int nonatomic, int wait)
+int smp_call_function(void (*func)(void *info), void *info, int wait)
{
- return smp_call_function_mask(func, info, nonatomic, wait,
- cpu_online_map);
+ return sparc64_smp_call_function_mask(func, info, wait, cpu_online_map);
}
void smp_call_function_client(int irq, struct pt_regs *regs)
@@ -893,7 +890,7 @@ static void tsb_sync(void *info)
void smp_tsb_sync(struct mm_struct *mm)
{
- smp_call_function_mask(tsb_sync, mm, 0, 1, mm->cpu_vm_mask);
+ sparc64_smp_call_function_mask(tsb_sync, mm, 1, mm->cpu_vm_mask);
}
extern unsigned long xcall_flush_tlb_mm;
diff --git a/arch/sparc64/kernel/sparc64_ksyms.c b/arch/sparc64/kernel/sparc64_ksyms.c
index 8ac0b99f2c5..49d3ea50c24 100644
--- a/arch/sparc64/kernel/sparc64_ksyms.c
+++ b/arch/sparc64/kernel/sparc64_ksyms.c
@@ -53,6 +53,7 @@
#include <asm/ns87303.h>
#include <asm/timer.h>
#include <asm/cpudata.h>
+#include <asm/ftrace.h>
struct poll {
int fd;
@@ -111,8 +112,7 @@ EXPORT_SYMBOL(__write_trylock);
EXPORT_SYMBOL(smp_call_function);
#endif /* CONFIG_SMP */
-#if defined(CONFIG_MCOUNT)
-extern void _mcount(void);
+#ifdef CONFIG_MCOUNT
EXPORT_SYMBOL(_mcount);
#endif
diff --git a/arch/sparc64/kernel/stacktrace.c b/arch/sparc64/kernel/stacktrace.c
index c73ce3f4197..b3e3737750d 100644
--- a/arch/sparc64/kernel/stacktrace.c
+++ b/arch/sparc64/kernel/stacktrace.c
@@ -1,6 +1,7 @@
#include <linux/sched.h>
#include <linux/stacktrace.h>
#include <linux/thread_info.h>
+#include <linux/module.h>
#include <asm/ptrace.h>
#include <asm/stacktrace.h>
@@ -47,3 +48,4 @@ void save_stack_trace(struct stack_trace *trace)
trace->entries[trace->nr_entries++] = pc;
} while (trace->nr_entries < trace->max_entries);
}
+EXPORT_SYMBOL_GPL(save_stack_trace);
diff --git a/arch/sparc64/kernel/time.c b/arch/sparc64/kernel/time.c
index e5d238970c7..bedc4c159b1 100644
--- a/arch/sparc64/kernel/time.c
+++ b/arch/sparc64/kernel/time.c
@@ -11,6 +11,7 @@
#include <linux/errno.h>
#include <linux/module.h>
#include <linux/sched.h>
+#include <linux/smp_lock.h>
#include <linux/kernel.h>
#include <linux/param.h>
#include <linux/string.h>
@@ -1659,10 +1660,14 @@ static int mini_rtc_ioctl(struct inode *inode, struct file *file,
static int mini_rtc_open(struct inode *inode, struct file *file)
{
- if (mini_rtc_status & RTC_IS_OPEN)
+ lock_kernel();
+ if (mini_rtc_status & RTC_IS_OPEN) {
+ unlock_kernel();
return -EBUSY;
+ }
mini_rtc_status |= RTC_IS_OPEN;
+ unlock_kernel();
return 0;
}
diff --git a/arch/sparc64/lib/mcount.S b/arch/sparc64/lib/mcount.S
index 9e4534b485c..7735a7a6053 100644
--- a/arch/sparc64/lib/mcount.S
+++ b/arch/sparc64/lib/mcount.S
@@ -28,10 +28,13 @@ ovstack:
.skip OVSTACKSIZE
#endif
.text
- .align 32
- .globl mcount, _mcount
-mcount:
+ .align 32
+ .globl _mcount
+ .type _mcount,#function
+ .globl mcount
+ .type mcount,#function
_mcount:
+mcount:
#ifdef CONFIG_STACK_DEBUG
/*
* Check whether %sp is dangerously low.
@@ -55,6 +58,53 @@ _mcount:
or %g3, %lo(panicstring), %o0
call prom_halt
nop
+1:
+#endif
+#ifdef CONFIG_FTRACE
+#ifdef CONFIG_DYNAMIC_FTRACE
+ mov %o7, %o0
+ .globl mcount_call
+mcount_call:
+ call ftrace_stub
+ mov %o0, %o7
+#else
+ sethi %hi(ftrace_trace_function), %g1
+ sethi %hi(ftrace_stub), %g2
+ ldx [%g1 + %lo(ftrace_trace_function)], %g1
+ or %g2, %lo(ftrace_stub), %g2
+ cmp %g1, %g2
+ be,pn %icc, 1f
+ mov %i7, %o1
+ jmpl %g1, %g0
+ mov %o7, %o0
+ /* not reached */
+1:
#endif
-1: retl
+#endif
+ retl
nop
+ .size _mcount,.-_mcount
+ .size mcount,.-mcount
+
+#ifdef CONFIG_FTRACE
+ .globl ftrace_stub
+ .type ftrace_stub,#function
+ftrace_stub:
+ retl
+ nop
+ .size ftrace_stub,.-ftrace_stub
+#ifdef CONFIG_DYNAMIC_FTRACE
+ .globl ftrace_caller
+ .type ftrace_caller,#function
+ftrace_caller:
+ mov %i7, %o1
+ mov %o7, %o0
+ .globl ftrace_call
+ftrace_call:
+ call ftrace_stub
+ mov %o0, %o7
+ retl
+ nop
+ .size ftrace_caller,.-ftrace_caller
+#endif
+#endif
diff --git a/arch/sparc64/mm/hugetlbpage.c b/arch/sparc64/mm/hugetlbpage.c
index 6cfab2e4d34..ebefd2a1437 100644
--- a/arch/sparc64/mm/hugetlbpage.c
+++ b/arch/sparc64/mm/hugetlbpage.c
@@ -344,7 +344,7 @@ void hugetlb_prefault_arch_hook(struct mm_struct *mm)
* also executing in this address space.
*/
mm->context.sparc64_ctx_val = ctx;
- on_each_cpu(context_reload, mm, 0, 0);
+ on_each_cpu(context_reload, mm, 0);
}
spin_unlock(&ctx_alloc_lock);
}
diff --git a/arch/um/Makefile b/arch/um/Makefile
index dbeab15e7bb..ca40397017b 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -77,7 +77,6 @@ include $(srctree)/$(ARCH_DIR)/Makefile-os-$(OS)
KERNEL_DEFINES = $(strip -Derrno=kernel_errno -Dsigprocmask=kernel_sigprocmask \
-Dmktime=kernel_mktime $(ARCH_KERNEL_DEFINES))
KBUILD_CFLAGS += $(KERNEL_DEFINES)
-KBUILD_CFLAGS += $(call cc-option,-fno-unit-at-a-time,)
PHONY += linux
diff --git a/arch/um/Makefile-i386 b/arch/um/Makefile-i386
index 561e373bd85..302cbe50454 100644
--- a/arch/um/Makefile-i386
+++ b/arch/um/Makefile-i386
@@ -32,4 +32,11 @@ cflags-y += $(call cc-option,-mpreferred-stack-boundary=2)
# an unresolved reference.
cflags-y += -ffreestanding
+# Disable unit-at-a-time mode on pre-gcc-4.0 compilers, it makes gcc use
+# a lot more stack due to the lack of sharing of stacklots. Also, gcc
+# 4.3.0 needs -funit-at-a-time for extern inline functions.
+KBUILD_CFLAGS += $(shell if [ $(call cc-version) -lt 0400 ] ; then \
+ echo $(call cc-option,-fno-unit-at-a-time); \
+ else echo $(call cc-option,-funit-at-a-time); fi ;)
+
KBUILD_CFLAGS += $(cflags-y)
diff --git a/arch/um/Makefile-x86_64 b/arch/um/Makefile-x86_64
index 8ed362f9358..a9cd7e77a7a 100644
--- a/arch/um/Makefile-x86_64
+++ b/arch/um/Makefile-x86_64
@@ -21,3 +21,6 @@ HEADER_ARCH := x86
LINK-$(CONFIG_LD_SCRIPT_DYN) += -Wl,-rpath,/lib64
LINK-y += -m64
+
+# Do unit-at-a-time unconditionally on x86_64, following the host
+KBUILD_CFLAGS += $(call cc-option,-funit-at-a-time)
diff --git a/arch/um/drivers/harddog_kern.c b/arch/um/drivers/harddog_kern.c
index a9ad4bd6d95..d332503fa1b 100644
--- a/arch/um/drivers/harddog_kern.c
+++ b/arch/um/drivers/harddog_kern.c
@@ -66,6 +66,7 @@ static int harddog_open(struct inode *inode, struct file *file)
int err = -EBUSY;
char *sock = NULL;
+ lock_kernel();
spin_lock(&lock);
if(timer_alive)
goto err;
@@ -82,9 +83,11 @@ static int harddog_open(struct inode *inode, struct file *file)
timer_alive = 1;
spin_unlock(&lock);
+ unlock_kernel();
return nonseekable_open(inode, file);
err:
spin_unlock(&lock);
+ unlock_kernel();
return err;
}
diff --git a/arch/um/drivers/mmapper_kern.c b/arch/um/drivers/mmapper_kern.c
index 67b2f55a602..eb240323c40 100644
--- a/arch/um/drivers/mmapper_kern.c
+++ b/arch/um/drivers/mmapper_kern.c
@@ -16,6 +16,7 @@
#include <linux/miscdevice.h>
#include <linux/module.h>
#include <linux/mm.h>
+#include <linux/smp_lock.h>
#include <asm/uaccess.h>
#include "mem_user.h"
@@ -77,6 +78,7 @@ out:
static int mmapper_open(struct inode *inode, struct file *file)
{
+ cycle_kernel_lock();
return 0;
}
diff --git a/arch/um/drivers/random.c b/arch/um/drivers/random.c
index 4949044773b..6eabb7022a2 100644
--- a/arch/um/drivers/random.c
+++ b/arch/um/drivers/random.c
@@ -7,6 +7,7 @@
* of the GNU General Public License, incorporated herein by reference.
*/
#include <linux/sched.h>
+#include <linux/smp_lock.h>
#include <linux/module.h>
#include <linux/fs.h>
#include <linux/interrupt.h>
@@ -33,6 +34,8 @@ static DECLARE_WAIT_QUEUE_HEAD(host_read_wait);
static int rng_dev_open (struct inode *inode, struct file *filp)
{
+ cycle_kernel_lock();
+
/* enforce read-only access to this chrdev */
if ((filp->f_mode & FMODE_READ) == 0)
return -EINVAL;
diff --git a/arch/um/kernel/smp.c b/arch/um/kernel/smp.c
index e1062ec36d4..be2d50c3aa9 100644
--- a/arch/um/kernel/smp.c
+++ b/arch/um/kernel/smp.c
@@ -214,8 +214,7 @@ void smp_call_function_slave(int cpu)
atomic_inc(&scf_finished);
}
-int smp_call_function(void (*_func)(void *info), void *_info, int nonatomic,
- int wait)
+int smp_call_function(void (*_func)(void *info), void *_info, int wait)
{
int cpus = num_online_cpus() - 1;
int i;
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index bf07b6f50fa..96e0c2ebc38 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -23,6 +23,8 @@ config X86
select HAVE_OPROFILE
select HAVE_KPROBES
select HAVE_KRETPROBES
+ select HAVE_DYNAMIC_FTRACE
+ select HAVE_FTRACE
select HAVE_KVM if ((X86_32 && !X86_VOYAGER && !X86_VISWS && !X86_NUMAQ) || X86_64)
select HAVE_ARCH_KGDB if !X86_VOYAGER
@@ -121,7 +123,7 @@ config ARCH_HAS_CACHE_LINE_SIZE
def_bool y
config HAVE_SETUP_PER_CPU_AREA
- def_bool X86_64 || (X86_SMP && !X86_VOYAGER)
+ def_bool X86_64_SMP || (X86_SMP && !X86_VOYAGER)
config HAVE_CPUMASK_OF_CPU_MAP
def_bool X86_64_SMP
@@ -168,6 +170,7 @@ config GENERIC_PENDING_IRQ
config X86_SMP
bool
depends on SMP && ((X86_32 && !X86_VOYAGER) || X86_64)
+ select USE_GENERIC_SMP_HELPERS
default y
config X86_32_SMP
@@ -181,12 +184,12 @@ config X86_64_SMP
config X86_HT
bool
depends on SMP
- depends on (X86_32 && !(X86_VISWS || X86_VOYAGER)) || X86_64
+ depends on (X86_32 && !X86_VOYAGER) || X86_64
default y
config X86_BIOS_REBOOT
bool
- depends on !X86_VISWS && !X86_VOYAGER
+ depends on !X86_VOYAGER
default y
config X86_TRAMPOLINE
@@ -230,6 +233,26 @@ config SMP
If you don't know what to do here, say N.
+config X86_FIND_SMP_CONFIG
+ def_bool y
+ depends on X86_MPPARSE || X86_VOYAGER
+
+if ACPI
+config X86_MPPARSE
+ def_bool y
+ bool "Enable MPS table"
+ depends on X86_LOCAL_APIC
+ help
+ For old smp systems that do not have proper acpi support. Newer systems
+ (esp with 64bit cpus) with acpi support, MADT and DSDT will override it
+endif
+
+if !ACPI
+config X86_MPPARSE
+ def_bool y
+ depends on X86_LOCAL_APIC
+endif
+
choice
prompt "Subarchitecture Type"
default X86_PC
@@ -251,7 +274,7 @@ config X86_ELAN
config X86_VOYAGER
bool "Voyager (NCR)"
- depends on X86_32 && (SMP || BROKEN)
+ depends on X86_32 && (SMP || BROKEN) && !PCI
help
Voyager is an MCA-based 32-way capable SMP architecture proprietary
to NCR Corp. Machine classes 345x/35xx/4100/51xx are Voyager-based.
@@ -261,16 +284,27 @@ config X86_VOYAGER
If you do not specifically know you have a Voyager based machine,
say N here, otherwise the kernel you build will not be bootable.
+config X86_GENERICARCH
+ bool "Generic architecture"
+ depends on X86_32
+ help
+ This option compiles in the NUMAQ, Summit, bigsmp, ES7000, default
+ subarchitectures. It is intended for a generic binary kernel.
+ if you select them all, kernel will probe it one by one. and will
+ fallback to default.
+
+if X86_GENERICARCH
+
config X86_NUMAQ
bool "NUMAQ (IBM/Sequent)"
- depends on SMP && X86_32
+ depends on SMP && X86_32 && PCI && X86_MPPARSE
select NUMA
help
- This option is used for getting Linux to run on a (IBM/Sequent) NUMA
- multiquad box. This changes the way that processors are bootstrapped,
- and uses Clustered Logical APIC addressing mode instead of Flat Logical.
- You will need a new lynxer.elf file to flash your firmware with - send
- email to <Martin.Bligh@us.ibm.com>.
+ This option is used for getting Linux to run on a NUMAQ (IBM/Sequent)
+ NUMA multiquad box. This changes the way that processors are
+ bootstrapped, and uses Clustered Logical APIC addressing mode instead
+ of Flat Logical. You will need a new lynxer.elf file to flash your
+ firmware with - send email to <Martin.Bligh@us.ibm.com>.
config X86_SUMMIT
bool "Summit/EXA (IBM x440)"
@@ -279,46 +313,21 @@ config X86_SUMMIT
This option is needed for IBM systems that use the Summit/EXA chipset.
In particular, it is needed for the x440.
- If you don't have one of these computers, you should say N here.
- If you want to build a NUMA kernel, you must select ACPI.
+config X86_ES7000
+ bool "Support for Unisys ES7000 IA32 series"
+ depends on X86_32 && SMP
+ help
+ Support for Unisys ES7000 systems. Say 'Y' here if this kernel is
+ supposed to run on an IA32-based Unisys ES7000 system.
config X86_BIGSMP
- bool "Support for other sub-arch SMP systems with more than 8 CPUs"
+ bool "Support for big SMP systems with more than 8 CPUs"
depends on X86_32 && SMP
help
This option is needed for the systems that have more than 8 CPUs
and if the system is not of any sub-arch type above.
- If you don't have such a system, you should say N here.
-
-config X86_VISWS
- bool "SGI 320/540 (Visual Workstation)"
- depends on X86_32
- help
- The SGI Visual Workstation series is an IA32-based workstation
- based on SGI systems chips with some legacy PC hardware attached.
-
- Say Y here to create a kernel to run on the SGI 320 or 540.
-
- A kernel compiled for the Visual Workstation will not run on PCs
- and vice versa. See <file:Documentation/sgi-visws.txt> for details.
-
-config X86_GENERICARCH
- bool "Generic architecture (Summit, bigsmp, ES7000, default)"
- depends on X86_32
- help
- This option compiles in the Summit, bigsmp, ES7000, default subarchitectures.
- It is intended for a generic binary kernel.
- If you want a NUMA kernel, select ACPI. We need SRAT for NUMA.
-
-config X86_ES7000
- bool "Support for Unisys ES7000 IA32 series"
- depends on X86_32 && SMP
- help
- Support for Unisys ES7000 systems. Say 'Y' here if this kernel is
- supposed to run on an IA32-based Unisys ES7000 system.
- Only choose this option if you have such a system, otherwise you
- should say N here.
+endif
config X86_RDC321X
bool "RDC R-321x SoC"
@@ -337,7 +346,7 @@ config X86_RDC321X
config X86_VSMP
bool "Support for ScaleMP vSMP"
select PARAVIRT
- depends on X86_64
+ depends on X86_64 && PCI
help
Support for ScaleMP vSMP systems. Say 'Y' here if this kernel is
supposed to run on these EM64T-based machines. Only choose this option
@@ -345,6 +354,18 @@ config X86_VSMP
endchoice
+config X86_VISWS
+ bool "SGI 320/540 (Visual Workstation)"
+ depends on X86_32 && PCI && !X86_VOYAGER && X86_MPPARSE && PCI_GODIRECT
+ help
+ The SGI Visual Workstation series is an IA32-based workstation
+ based on SGI systems chips with some legacy PC hardware attached.
+
+ Say Y here to create a kernel to run on the SGI 320 or 540.
+
+ A kernel compiled for the Visual Workstation will run on general
+ PCs as well. See <file:Documentation/sgi-visws.txt> for details.
+
config SCHED_NO_NO_OMIT_FRAME_POINTER
def_bool y
prompt "Single-depth WCHAN output"
@@ -373,7 +394,7 @@ config VMI
bool "VMI Guest support"
select PARAVIRT
depends on X86_32
- depends on !(X86_VISWS || X86_VOYAGER)
+ depends on !X86_VOYAGER
help
VMI provides a paravirtualized interface to the VMware ESX server
(it could be used by other hypervisors in theory too, but is not
@@ -384,7 +405,7 @@ config KVM_CLOCK
bool "KVM paravirtualized clock"
select PARAVIRT
select PARAVIRT_CLOCK
- depends on !(X86_VISWS || X86_VOYAGER)
+ depends on !X86_VOYAGER
help
Turning on this option will allow you to run a paravirtualized clock
when running over the KVM hypervisor. Instead of relying on a PIT
@@ -395,7 +416,7 @@ config KVM_CLOCK
config KVM_GUEST
bool "KVM Guest support"
select PARAVIRT
- depends on !(X86_VISWS || X86_VOYAGER)
+ depends on !X86_VOYAGER
help
This option enables various optimizations for running under the KVM
hypervisor.
@@ -404,7 +425,7 @@ source "arch/x86/lguest/Kconfig"
config PARAVIRT
bool "Enable paravirtualization code"
- depends on !(X86_VISWS || X86_VOYAGER)
+ depends on !X86_VOYAGER
help
This changes the kernel so it can modify itself when it is run
under a hypervisor, potentially improving performance significantly
@@ -417,51 +438,32 @@ config PARAVIRT_CLOCK
endif
-config MEMTEST_BOOTPARAM
- bool "Memtest boot parameter"
+config PARAVIRT_DEBUG
+ bool "paravirt-ops debugging"
+ depends on PARAVIRT && DEBUG_KERNEL
+ help
+ Enable to debug paravirt_ops internals. Specifically, BUG if
+ a paravirt_op is missing when it is called.
+
+config MEMTEST
+ bool "Memtest"
depends on X86_64
- default y
help
This option adds a kernel parameter 'memtest', which allows memtest
- to be disabled at boot. If this option is selected, memtest
- functionality can be disabled with memtest=0 on the kernel
- command line. The purpose of this option is to allow a single
- kernel image to be distributed with memtest built in, but not
- necessarily enabled.
-
- If you are unsure how to answer this question, answer Y.
-
-config MEMTEST_BOOTPARAM_VALUE
- int "Memtest boot parameter default value (0-4)"
- depends on MEMTEST_BOOTPARAM
- range 0 4
- default 0
- help
- This option sets the default value for the kernel parameter
- 'memtest', which allows memtest to be disabled at boot. If this
- option is set to 0 (zero), the memtest kernel parameter will
- default to 0, disabling memtest at bootup. If this option is
- set to 4, the memtest kernel parameter will default to 4,
- enabling memtest at bootup, and use that as pattern number.
-
- If you are unsure how to answer this question, answer 0.
-
-config ACPI_SRAT
- def_bool y
- depends on X86_32 && ACPI && NUMA && (X86_SUMMIT || X86_GENERICARCH)
- select ACPI_NUMA
-
-config HAVE_ARCH_PARSE_SRAT
- def_bool y
- depends on ACPI_SRAT
+ to be set.
+ memtest=0, mean disabled; -- default
+ memtest=1, mean do 1 test pattern;
+ ...
+ memtest=4, mean do 4 test patterns.
+ If you are unsure how to answer this question, answer N.
config X86_SUMMIT_NUMA
def_bool y
- depends on X86_32 && NUMA && (X86_SUMMIT || X86_GENERICARCH)
+ depends on X86_32 && NUMA && X86_GENERICARCH
config X86_CYCLONE_TIMER
def_bool y
- depends on X86_32 && X86_SUMMIT || X86_GENERICARCH
+ depends on X86_GENERICARCH
config ES7000_CLUSTERED_APIC
def_bool y
@@ -549,6 +551,21 @@ config CALGARY_IOMMU_ENABLED_BY_DEFAULT
Calgary anyway, pass 'iommu=calgary' on the kernel command line.
If unsure, say Y.
+config AMD_IOMMU
+ bool "AMD IOMMU support"
+ select SWIOTLB
+ depends on X86_64 && PCI && ACPI
+ help
+ With this option you can enable support for AMD IOMMU hardware in
+ your system. An IOMMU is a hardware component which provides
+ remapping of DMA memory accesses from devices. With an AMD IOMMU you
+ can isolate the the DMA memory of different devices and protect the
+ system from misbehaving device drivers or hardware.
+
+ You can find out if your system has an AMD IOMMU if you look into
+ your BIOS for an option to enable it or if you have an IVRS ACPI
+ table.
+
# need this always selected by IOMMU for the VIA workaround
config SWIOTLB
bool
@@ -560,21 +577,36 @@ config SWIOTLB
3 GB of memory. If unsure, say Y.
config IOMMU_HELPER
- def_bool (CALGARY_IOMMU || GART_IOMMU || SWIOTLB)
+ def_bool (CALGARY_IOMMU || GART_IOMMU || SWIOTLB || AMD_IOMMU)
+config MAXSMP
+ bool "Configure Maximum number of SMP Processors and NUMA Nodes"
+ depends on X86_64 && SMP
+ default n
+ help
+ Configure maximum number of CPUS and NUMA Nodes for this architecture.
+ If unsure, say N.
+if MAXSMP
config NR_CPUS
- int "Maximum number of CPUs (2-255)"
- range 2 255
+ int
+ default "4096"
+endif
+
+if !MAXSMP
+config NR_CPUS
+ int "Maximum number of CPUs (2-4096)"
+ range 2 4096
depends on SMP
default "32" if X86_NUMAQ || X86_SUMMIT || X86_BIGSMP || X86_ES7000
default "8"
help
This allows you to specify the maximum number of CPUs which this
- kernel will support. The maximum supported value is 255 and the
+ kernel will support. The maximum supported value is 4096 and the
minimum value which makes sense is 2.
This is purely to save memory - each supported CPU adds
approximately eight kilobytes to the kernel image.
+endif
config SCHED_SMT
bool "SMT (Hyperthreading) scheduler support"
@@ -598,7 +630,7 @@ source "kernel/Kconfig.preempt"
config X86_UP_APIC
bool "Local APIC support on uniprocessors"
- depends on X86_32 && !SMP && !(X86_VISWS || X86_VOYAGER || X86_GENERICARCH)
+ depends on X86_32 && !SMP && !(X86_VOYAGER || X86_GENERICARCH)
help
A local APIC (Advanced Programmable Interrupt Controller) is an
integrated interrupt controller in the CPU. If you have a single-CPU
@@ -623,11 +655,11 @@ config X86_UP_IOAPIC
config X86_LOCAL_APIC
def_bool y
- depends on X86_64 || (X86_32 && (X86_UP_APIC || ((X86_VISWS || SMP) && !X86_VOYAGER) || X86_GENERICARCH))
+ depends on X86_64 || (X86_32 && (X86_UP_APIC || (SMP && !X86_VOYAGER) || X86_GENERICARCH))
config X86_IO_APIC
def_bool y
- depends on X86_64 || (X86_32 && (X86_UP_IOAPIC || (SMP && !(X86_VISWS || X86_VOYAGER)) || X86_GENERICARCH))
+ depends on X86_64 || (X86_32 && (X86_UP_IOAPIC || (SMP && !X86_VOYAGER) || X86_GENERICARCH))
config X86_VISWS_APIC
def_bool y
@@ -681,7 +713,7 @@ config X86_MCE_NONFATAL
config X86_MCE_P4THERMAL
bool "check for P4 thermal throttling interrupt."
- depends on X86_32 && X86_MCE && (X86_UP_APIC || SMP) && !X86_VISWS
+ depends on X86_32 && X86_MCE && (X86_UP_APIC || SMP)
help
Enabling this feature will cause a message to be printed when the P4
enters thermal throttling.
@@ -911,9 +943,9 @@ config X86_PAE
config NUMA
bool "Numa Memory Allocation and Scheduler Support (EXPERIMENTAL)"
depends on SMP
- depends on X86_64 || (X86_32 && HIGHMEM64G && (X86_NUMAQ || (X86_SUMMIT || X86_GENERICARCH) && ACPI) && EXPERIMENTAL)
+ depends on X86_64 || (X86_32 && HIGHMEM64G && (X86_NUMAQ || X86_BIGSMP || X86_SUMMIT && ACPI) && EXPERIMENTAL)
default n if X86_PC
- default y if (X86_NUMAQ || X86_SUMMIT)
+ default y if (X86_NUMAQ || X86_SUMMIT || X86_BIGSMP)
help
Enable NUMA (Non Uniform Memory Access) support.
The kernel will try to allocate memory used by a CPU on the
@@ -965,13 +997,25 @@ config NUMA_EMU
into virtual nodes when booted with "numa=fake=N", where N is the
number of nodes. This is only useful for debugging.
+if MAXSMP
+
config NODES_SHIFT
- int "Max num nodes shift(1-9)"
- range 1 9 if X86_64
+ int
+ default "9"
+endif
+
+if !MAXSMP
+config NODES_SHIFT
+ int "Maximum NUMA Nodes (as a power of 2)"
+ range 1 9 if X86_64
default "6" if X86_64
default "4" if X86_NUMAQ
default "3"
depends on NEED_MULTIPLE_NODES
+ help
+ Specify the maximum number of NUMA Nodes available on the target
+ system. Increases memory reserved to accomodate various tables.
+endif
config HAVE_ARCH_BOOTMEM_NODE
def_bool y
@@ -1090,6 +1134,37 @@ config MTRR
See <file:Documentation/mtrr.txt> for more information.
+config MTRR_SANITIZER
+ bool
+ prompt "MTRR cleanup support"
+ depends on MTRR
+ help
+ Convert MTRR layout from continuous to discrete, so X drivers can
+ add writeback entries.
+
+ Can be disabled with disable_mtrr_cleanup on the kernel command line.
+ The largest mtrr entry size for a continous block can be set with
+ mtrr_chunk_size.
+
+ If unsure, say N.
+
+config MTRR_SANITIZER_ENABLE_DEFAULT
+ int "MTRR cleanup enable value (0-1)"
+ range 0 1
+ default "0"
+ depends on MTRR_SANITIZER
+ help
+ Enable mtrr cleanup default value
+
+config MTRR_SANITIZER_SPARE_REG_NR_DEFAULT
+ int "MTRR cleanup spare reg num (0-7)"
+ range 0 7
+ default "1"
+ depends on MTRR_SANITIZER
+ help
+ mtrr cleanup spare entries default, it can be changed via
+ mtrr_spare_reg_nr=N on the kernel command line.
+
config X86_PAT
bool
prompt "x86 PAT support"
@@ -1190,7 +1265,6 @@ config KEXEC
config CRASH_DUMP
bool "kernel crash dumps (EXPERIMENTAL)"
- depends on EXPERIMENTAL
depends on X86_64 || (X86_32 && HIGHMEM)
help
Generate crash dump after being started by kexec.
@@ -1339,7 +1413,7 @@ config X86_APM_BOOT
menuconfig APM
tristate "APM (Advanced Power Management) BIOS support"
- depends on X86_32 && PM_SLEEP && !X86_VISWS
+ depends on X86_32 && PM_SLEEP
---help---
APM is a BIOS specification for saving power using several different
techniques. This is mostly useful for battery powered laptops with
@@ -1475,8 +1549,7 @@ endmenu
menu "Bus options (PCI etc.)"
config PCI
- bool "PCI support" if !X86_VISWS && !X86_VSMP
- depends on !X86_VOYAGER
+ bool "PCI support"
default y
select ARCH_SUPPORTS_MSI if (X86_LOCAL_APIC && X86_IO_APIC)
help
@@ -1487,7 +1560,7 @@ config PCI
choice
prompt "PCI access mode"
- depends on X86_32 && PCI && !X86_VISWS
+ depends on X86_32 && PCI
default PCI_GOANY
---help---
On PCI systems, the BIOS can be used to detect the PCI devices and
@@ -1524,12 +1597,12 @@ endchoice
config PCI_BIOS
def_bool y
- depends on X86_32 && !X86_VISWS && PCI && (PCI_GOBIOS || PCI_GOANY)
+ depends on X86_32 && PCI && (PCI_GOBIOS || PCI_GOANY)
# x86-64 doesn't support PCI BIOS access from long mode so always go direct.
config PCI_DIRECT
def_bool y
- depends on PCI && (X86_64 || (PCI_GODIRECT || PCI_GOANY || PCI_GOOLPC) || X86_VISWS)
+ depends on PCI && (X86_64 || (PCI_GODIRECT || PCI_GOANY || PCI_GOOLPC))
config PCI_MMCONFIG
def_bool y
@@ -1589,7 +1662,7 @@ if X86_32
config ISA
bool "ISA support"
- depends on !(X86_VOYAGER || X86_VISWS)
+ depends on !X86_VOYAGER
help
Find out whether you have ISA slots on your motherboard. ISA is the
name of a bus system, i.e. the way the CPU talks to the other stuff
@@ -1616,7 +1689,7 @@ config EISA
source "drivers/eisa/Kconfig"
config MCA
- bool "MCA support" if !(X86_VISWS || X86_VOYAGER)
+ bool "MCA support" if !X86_VOYAGER
default y if X86_VOYAGER
help
MicroChannel Architecture is found in some IBM PS/2 machines and
diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu
index 2ad6301849a..abff1b84ed5 100644
--- a/arch/x86/Kconfig.cpu
+++ b/arch/x86/Kconfig.cpu
@@ -344,7 +344,7 @@ config X86_F00F_BUG
config X86_WP_WORKS_OK
def_bool y
- depends on X86_32 && !M386
+ depends on !M386
config X86_INVLPG
def_bool y
@@ -399,6 +399,10 @@ config X86_TSC
def_bool y
depends on ((MWINCHIP3D || MWINCHIP2 || MCRUSOE || MEFFICEON || MCYRIXIII || MK7 || MK6 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || M586MMX || M586TSC || MK8 || MVIAC3_2 || MVIAC7 || MGEODEGX1 || MGEODE_LX || MCORE2) && !X86_NUMAQ) || X86_64
+config X86_CMPXCHG64
+ def_bool y
+ depends on X86_PAE || X86_64
+
# this should be set for all -march=.. options where the compiler
# generates cmov.
config X86_CMOV
diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug
index 18363374d51..ae36bfa814e 100644
--- a/arch/x86/Kconfig.debug
+++ b/arch/x86/Kconfig.debug
@@ -20,6 +20,14 @@ config NONPROMISC_DEVMEM
If in doubt, say Y.
+config X86_VERBOSE_BOOTUP
+ bool "Enable verbose x86 bootup info messages"
+ default y
+ help
+ Enables the informational output from the decompression stage
+ (e.g. bzImage) of the boot. If you disable this you will still
+ see errors. Disable this if you want silent bootup.
+
config EARLY_PRINTK
bool "Early printk" if EMBEDDED
default y
@@ -60,7 +68,7 @@ config DEBUG_PAGEALLOC
config DEBUG_PER_CPU_MAPS
bool "Debug access to per_cpu maps"
depends on DEBUG_KERNEL
- depends on X86_64_SMP
+ depends on X86_SMP
default n
help
Say Y to verify that the per_cpu map being accessed has
@@ -129,15 +137,6 @@ config 4KSTACKS
on the VM subsystem for higher order allocations. This option
will also use IRQ stacks to compensate for the reduced stackspace.
-config X86_FIND_SMP_CONFIG
- def_bool y
- depends on X86_LOCAL_APIC || X86_VOYAGER
- depends on X86_32
-
-config X86_MPPARSE
- def_bool y
- depends on (X86_32 && (X86_LOCAL_APIC && !X86_VISWS)) || X86_64
-
config DOUBLEFAULT
default y
bool "Enable doublefault exception handler" if EMBEDDED
@@ -172,6 +171,33 @@ config IOMMU_LEAK
Add a simple leak tracer to the IOMMU code. This is useful when you
are debugging a buggy device driver that leaks IOMMU mappings.
+config MMIOTRACE_HOOKS
+ bool
+
+config MMIOTRACE
+ bool "Memory mapped IO tracing"
+ depends on DEBUG_KERNEL && PCI
+ select TRACING
+ select MMIOTRACE_HOOKS
+ help
+ Mmiotrace traces Memory Mapped I/O access and is meant for
+ debugging and reverse engineering. It is called from the ioremap
+ implementation and works via page faults. Tracing is disabled by
+ default and can be enabled at run-time.
+
+ See Documentation/tracers/mmiotrace.txt.
+ If you are not helping to develop drivers, say N.
+
+config MMIOTRACE_TEST
+ tristate "Test module for mmiotrace"
+ depends on MMIOTRACE && m
+ help
+ This is a dumb module for testing mmiotrace. It is very dangerous
+ as it will write garbage to IO memory starting at a given address.
+ However, it should be safe to use on e.g. unused portion of VRAM.
+
+ Say N, unless you absolutely know what you are doing.
+
#
# IO delay types:
#
diff --git a/arch/x86/Makefile b/arch/x86/Makefile
index 3cff3c894cf..919ce21ea65 100644
--- a/arch/x86/Makefile
+++ b/arch/x86/Makefile
@@ -113,33 +113,11 @@ mcore-y := arch/x86/mach-default/
mflags-$(CONFIG_X86_VOYAGER) := -Iinclude/asm-x86/mach-voyager
mcore-$(CONFIG_X86_VOYAGER) := arch/x86/mach-voyager/
-# VISWS subarch support
-mflags-$(CONFIG_X86_VISWS) := -Iinclude/asm-x86/mach-visws
-mcore-$(CONFIG_X86_VISWS) := arch/x86/mach-visws/
-
-# NUMAQ subarch support
-mflags-$(CONFIG_X86_NUMAQ) := -Iinclude/asm-x86/mach-numaq
-mcore-$(CONFIG_X86_NUMAQ) := arch/x86/mach-default/
-
-# BIGSMP subarch support
-mflags-$(CONFIG_X86_BIGSMP) := -Iinclude/asm-x86/mach-bigsmp
-mcore-$(CONFIG_X86_BIGSMP) := arch/x86/mach-default/
-
-#Summit subarch support
-mflags-$(CONFIG_X86_SUMMIT) := -Iinclude/asm-x86/mach-summit
-mcore-$(CONFIG_X86_SUMMIT) := arch/x86/mach-default/
-
# generic subarchitecture
mflags-$(CONFIG_X86_GENERICARCH):= -Iinclude/asm-x86/mach-generic
fcore-$(CONFIG_X86_GENERICARCH) += arch/x86/mach-generic/
mcore-$(CONFIG_X86_GENERICARCH) := arch/x86/mach-default/
-
-# ES7000 subarch support
-mflags-$(CONFIG_X86_ES7000) := -Iinclude/asm-x86/mach-es7000
-fcore-$(CONFIG_X86_ES7000) := arch/x86/mach-es7000/
-mcore-$(CONFIG_X86_ES7000) := arch/x86/mach-default/
-
# RDC R-321x subarch support
mflags-$(CONFIG_X86_RDC321X) := -Iinclude/asm-x86/mach-rdc321x
mcore-$(CONFIG_X86_RDC321X) := arch/x86/mach-default/
@@ -160,6 +138,7 @@ KBUILD_AFLAGS += $(mflags-y)
head-y := arch/x86/kernel/head_$(BITS).o
head-y += arch/x86/kernel/head$(BITS).o
+head-y += arch/x86/kernel/head.o
head-y += arch/x86/kernel/init_task.o
libs-y += arch/x86/lib/
@@ -210,12 +189,12 @@ all: bzImage
# KBUILD_IMAGE specify target image being built
KBUILD_IMAGE := $(boot)/bzImage
-zImage zlilo zdisk: KBUILD_IMAGE := arch/x86/boot/zImage
+zImage zlilo zdisk: KBUILD_IMAGE := $(boot)/zImage
zImage bzImage: vmlinux
$(Q)$(MAKE) $(build)=$(boot) $(KBUILD_IMAGE)
$(Q)mkdir -p $(objtree)/arch/$(UTS_MACHINE)/boot
- $(Q)ln -fsn ../../x86/boot/bzImage $(objtree)/arch/$(UTS_MACHINE)/boot/bzImage
+ $(Q)ln -fsn ../../x86/boot/bzImage $(objtree)/arch/$(UTS_MACHINE)/boot/$@
compressed: zImage
diff --git a/arch/x86/boot/a20.c b/arch/x86/boot/a20.c
index e01aafd03bd..4063d630def 100644
--- a/arch/x86/boot/a20.c
+++ b/arch/x86/boot/a20.c
@@ -1,7 +1,7 @@
/* -*- linux-c -*- ------------------------------------------------------- *
*
* Copyright (C) 1991, 1992 Linus Torvalds
- * Copyright 2007 rPath, Inc. - All Rights Reserved
+ * Copyright 2007-2008 rPath, Inc. - All Rights Reserved
*
* This file is part of the Linux kernel, and is made available under
* the terms of the GNU General Public License version 2.
@@ -95,6 +95,9 @@ static void enable_a20_kbc(void)
outb(0xdf, 0x60); /* A20 on */
empty_8042();
+
+ outb(0xff, 0x64); /* Null command, but UHCI wants it */
+ empty_8042();
}
static void enable_a20_fast(void)
diff --git a/arch/x86/boot/compressed/head_64.S b/arch/x86/boot/compressed/head_64.S
index d8819efac81..1d5dff4123e 100644
--- a/arch/x86/boot/compressed/head_64.S
+++ b/arch/x86/boot/compressed/head_64.S
@@ -30,6 +30,7 @@
#include <asm/page.h>
#include <asm/boot.h>
#include <asm/msr.h>
+#include <asm/processor-flags.h>
#include <asm/asm-offsets.h>
.section ".text.head"
@@ -109,7 +110,7 @@ startup_32:
/* Enable PAE mode */
xorl %eax, %eax
- orl $(1 << 5), %eax
+ orl $(X86_CR4_PAE), %eax
movl %eax, %cr4
/*
@@ -170,7 +171,7 @@ startup_32:
pushl %eax
/* Enter paged protected Mode, activating Long Mode */
- movl $0x80000001, %eax /* Enable Paging and Protected mode */
+ movl $(X86_CR0_PG | X86_CR0_PE), %eax /* Enable Paging and Protected mode */
movl %eax, %cr0
/* Jump from 32bit compatibility mode into 64bit mode. */
diff --git a/arch/x86/boot/compressed/misc.c b/arch/x86/boot/compressed/misc.c
index 90456cee47c..bc5553b496f 100644
--- a/arch/x86/boot/compressed/misc.c
+++ b/arch/x86/boot/compressed/misc.c
@@ -30,6 +30,7 @@
#include <asm/io.h>
#include <asm/page.h>
#include <asm/boot.h>
+#include <asm/bootparam.h>
/* WARNING!!
* This code is compiled with -fPIC and it is relocated dynamically
@@ -187,13 +188,8 @@ static void gzip_release(void **);
/*
* This is set up by the setup-routine at boot-time
*/
-static unsigned char *real_mode; /* Pointer to real-mode data */
-
-#define RM_EXT_MEM_K (*(unsigned short *)(real_mode + 0x2))
-#ifndef STANDARD_MEMORY_BIOS_CALL
-#define RM_ALT_MEM_K (*(unsigned long *)(real_mode + 0x1e0))
-#endif
-#define RM_SCREEN_INFO (*(struct screen_info *)(real_mode+0))
+static struct boot_params *real_mode; /* Pointer to real-mode data */
+static int quiet;
extern unsigned char input_data[];
extern int input_len;
@@ -206,7 +202,8 @@ static void free(void *where);
static void *memset(void *s, int c, unsigned n);
static void *memcpy(void *dest, const void *src, unsigned n);
-static void putstr(const char *);
+static void __putstr(int, const char *);
+#define putstr(__x) __putstr(0, __x)
#ifdef CONFIG_X86_64
#define memptr long
@@ -221,10 +218,6 @@ static char *vidmem;
static int vidport;
static int lines, cols;
-#ifdef CONFIG_X86_NUMAQ
-void *xquad_portio;
-#endif
-
#include "../../../../lib/inflate.c"
static void *malloc(int size)
@@ -270,18 +263,24 @@ static void scroll(void)
vidmem[i] = ' ';
}
-static void putstr(const char *s)
+static void __putstr(int error, const char *s)
{
int x, y, pos;
char c;
+#ifndef CONFIG_X86_VERBOSE_BOOTUP
+ if (!error)
+ return;
+#endif
+
#ifdef CONFIG_X86_32
- if (RM_SCREEN_INFO.orig_video_mode == 0 && lines == 0 && cols == 0)
+ if (real_mode->screen_info.orig_video_mode == 0 &&
+ lines == 0 && cols == 0)
return;
#endif
- x = RM_SCREEN_INFO.orig_x;
- y = RM_SCREEN_INFO.orig_y;
+ x = real_mode->screen_info.orig_x;
+ y = real_mode->screen_info.orig_y;
while ((c = *s++) != '\0') {
if (c == '\n') {
@@ -302,8 +301,8 @@ static void putstr(const char *s)
}
}
- RM_SCREEN_INFO.orig_x = x;
- RM_SCREEN_INFO.orig_y = y;
+ real_mode->screen_info.orig_x = x;
+ real_mode->screen_info.orig_y = y;
pos = (x + cols * y) * 2; /* Update cursor position */
outb(14, vidport);
@@ -366,9 +365,9 @@ static void flush_window(void)
static void error(char *x)
{
- putstr("\n\n");
- putstr(x);
- putstr("\n\n -- System halted");
+ __putstr(1, "\n\n");
+ __putstr(1, x);
+ __putstr(1, "\n\n -- System halted");
while (1)
asm("hlt");
@@ -395,7 +394,8 @@ static void parse_elf(void *output)
return;
}
- putstr("Parsing ELF... ");
+ if (!quiet)
+ putstr("Parsing ELF... ");
phdrs = malloc(sizeof(*phdrs) * ehdr.e_phnum);
if (!phdrs)
@@ -430,7 +430,10 @@ asmlinkage void decompress_kernel(void *rmode, memptr heap,
{
real_mode = rmode;
- if (RM_SCREEN_INFO.orig_video_mode == 7) {
+ if (real_mode->hdr.loadflags & QUIET_FLAG)
+ quiet = 1;
+
+ if (real_mode->screen_info.orig_video_mode == 7) {
vidmem = (char *) 0xb0000;
vidport = 0x3b4;
} else {
@@ -438,8 +441,8 @@ asmlinkage void decompress_kernel(void *rmode, memptr heap,
vidport = 0x3d4;
}
- lines = RM_SCREEN_INFO.orig_video_lines;
- cols = RM_SCREEN_INFO.orig_video_cols;
+ lines = real_mode->screen_info.orig_video_lines;
+ cols = real_mode->screen_info.orig_video_cols;
window = output; /* Output buffer (Normally at 1M) */
free_mem_ptr = heap; /* Heap */
@@ -465,9 +468,11 @@ asmlinkage void decompress_kernel(void *rmode, memptr heap,
#endif
makecrc();
- putstr("\nDecompressing Linux... ");
+ if (!quiet)
+ putstr("\nDecompressing Linux... ");
gunzip();
parse_elf(output);
- putstr("done.\nBooting the kernel.\n");
+ if (!quiet)
+ putstr("done.\nBooting the kernel.\n");
return;
}
diff --git a/arch/x86/boot/compressed/relocs.c b/arch/x86/boot/compressed/relocs.c
index edaadea90aa..a1310c52fc0 100644
--- a/arch/x86/boot/compressed/relocs.c
+++ b/arch/x86/boot/compressed/relocs.c
@@ -10,16 +10,20 @@
#define USE_BSD
#include <endian.h>
-#define MAX_SHDRS 100
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
static Elf32_Ehdr ehdr;
-static Elf32_Shdr shdr[MAX_SHDRS];
-static Elf32_Sym *symtab[MAX_SHDRS];
-static Elf32_Rel *reltab[MAX_SHDRS];
-static char *strtab[MAX_SHDRS];
static unsigned long reloc_count, reloc_idx;
static unsigned long *relocs;
+struct section {
+ Elf32_Shdr shdr;
+ struct section *link;
+ Elf32_Sym *symtab;
+ Elf32_Rel *reltab;
+ char *strtab;
+};
+static struct section *secs;
+
/*
* Following symbols have been audited. There values are constant and do
* not change if bzImage is loaded at a different physical address than
@@ -35,7 +39,7 @@ static int is_safe_abs_reloc(const char* sym_name)
{
int i;
- for(i = 0; i < ARRAY_SIZE(safe_abs_relocs); i++) {
+ for (i = 0; i < ARRAY_SIZE(safe_abs_relocs); i++) {
if (!strcmp(sym_name, safe_abs_relocs[i]))
/* Match found */
return 1;
@@ -137,10 +141,10 @@ static const char *sec_name(unsigned shndx)
{
const char *sec_strtab;
const char *name;
- sec_strtab = strtab[ehdr.e_shstrndx];
+ sec_strtab = secs[ehdr.e_shstrndx].strtab;
name = "<noname>";
if (shndx < ehdr.e_shnum) {
- name = sec_strtab + shdr[shndx].sh_name;
+ name = sec_strtab + secs[shndx].shdr.sh_name;
}
else if (shndx == SHN_ABS) {
name = "ABSOLUTE";
@@ -159,7 +163,7 @@ static const char *sym_name(const char *sym_strtab, Elf32_Sym *sym)
name = sym_strtab + sym->st_name;
}
else {
- name = sec_name(shdr[sym->st_shndx].sh_name);
+ name = sec_name(secs[sym->st_shndx].shdr.sh_name);
}
return name;
}
@@ -244,29 +248,34 @@ static void read_ehdr(FILE *fp)
static void read_shdrs(FILE *fp)
{
int i;
- if (ehdr.e_shnum > MAX_SHDRS) {
- die("%d section headers supported: %d\n",
- ehdr.e_shnum, MAX_SHDRS);
+ Elf32_Shdr shdr;
+
+ secs = calloc(ehdr.e_shnum, sizeof(struct section));
+ if (!secs) {
+ die("Unable to allocate %d section headers\n",
+ ehdr.e_shnum);
}
if (fseek(fp, ehdr.e_shoff, SEEK_SET) < 0) {
die("Seek to %d failed: %s\n",
ehdr.e_shoff, strerror(errno));
}
- if (fread(&shdr, sizeof(shdr[0]), ehdr.e_shnum, fp) != ehdr.e_shnum) {
- die("Cannot read ELF section headers: %s\n",
- strerror(errno));
- }
- for(i = 0; i < ehdr.e_shnum; i++) {
- shdr[i].sh_name = elf32_to_cpu(shdr[i].sh_name);
- shdr[i].sh_type = elf32_to_cpu(shdr[i].sh_type);
- shdr[i].sh_flags = elf32_to_cpu(shdr[i].sh_flags);
- shdr[i].sh_addr = elf32_to_cpu(shdr[i].sh_addr);
- shdr[i].sh_offset = elf32_to_cpu(shdr[i].sh_offset);
- shdr[i].sh_size = elf32_to_cpu(shdr[i].sh_size);
- shdr[i].sh_link = elf32_to_cpu(shdr[i].sh_link);
- shdr[i].sh_info = elf32_to_cpu(shdr[i].sh_info);
- shdr[i].sh_addralign = elf32_to_cpu(shdr[i].sh_addralign);
- shdr[i].sh_entsize = elf32_to_cpu(shdr[i].sh_entsize);
+ for (i = 0; i < ehdr.e_shnum; i++) {
+ struct section *sec = &secs[i];
+ if (fread(&shdr, sizeof shdr, 1, fp) != 1)
+ die("Cannot read ELF section headers %d/%d: %s\n",
+ i, ehdr.e_shnum, strerror(errno));
+ sec->shdr.sh_name = elf32_to_cpu(shdr.sh_name);
+ sec->shdr.sh_type = elf32_to_cpu(shdr.sh_type);
+ sec->shdr.sh_flags = elf32_to_cpu(shdr.sh_flags);
+ sec->shdr.sh_addr = elf32_to_cpu(shdr.sh_addr);
+ sec->shdr.sh_offset = elf32_to_cpu(shdr.sh_offset);
+ sec->shdr.sh_size = elf32_to_cpu(shdr.sh_size);
+ sec->shdr.sh_link = elf32_to_cpu(shdr.sh_link);
+ sec->shdr.sh_info = elf32_to_cpu(shdr.sh_info);
+ sec->shdr.sh_addralign = elf32_to_cpu(shdr.sh_addralign);
+ sec->shdr.sh_entsize = elf32_to_cpu(shdr.sh_entsize);
+ if (sec->shdr.sh_link < ehdr.e_shnum)
+ sec->link = &secs[sec->shdr.sh_link];
}
}
@@ -274,20 +283,22 @@ static void read_shdrs(FILE *fp)
static void read_strtabs(FILE *fp)
{
int i;
- for(i = 0; i < ehdr.e_shnum; i++) {
- if (shdr[i].sh_type != SHT_STRTAB) {
+ for (i = 0; i < ehdr.e_shnum; i++) {
+ struct section *sec = &secs[i];
+ if (sec->shdr.sh_type != SHT_STRTAB) {
continue;
}
- strtab[i] = malloc(shdr[i].sh_size);
- if (!strtab[i]) {
+ sec->strtab = malloc(sec->shdr.sh_size);
+ if (!sec->strtab) {
die("malloc of %d bytes for strtab failed\n",
- shdr[i].sh_size);
+ sec->shdr.sh_size);
}
- if (fseek(fp, shdr[i].sh_offset, SEEK_SET) < 0) {
+ if (fseek(fp, sec->shdr.sh_offset, SEEK_SET) < 0) {
die("Seek to %d failed: %s\n",
- shdr[i].sh_offset, strerror(errno));
+ sec->shdr.sh_offset, strerror(errno));
}
- if (fread(strtab[i], 1, shdr[i].sh_size, fp) != shdr[i].sh_size) {
+ if (fread(sec->strtab, 1, sec->shdr.sh_size, fp)
+ != sec->shdr.sh_size) {
die("Cannot read symbol table: %s\n",
strerror(errno));
}
@@ -297,28 +308,31 @@ static void read_strtabs(FILE *fp)
static void read_symtabs(FILE *fp)
{
int i,j;
- for(i = 0; i < ehdr.e_shnum; i++) {
- if (shdr[i].sh_type != SHT_SYMTAB) {
+ for (i = 0; i < ehdr.e_shnum; i++) {
+ struct section *sec = &secs[i];
+ if (sec->shdr.sh_type != SHT_SYMTAB) {
continue;
}
- symtab[i] = malloc(shdr[i].sh_size);
- if (!symtab[i]) {
+ sec->symtab = malloc(sec->shdr.sh_size);
+ if (!sec->symtab) {
die("malloc of %d bytes for symtab failed\n",
- shdr[i].sh_size);
+ sec->shdr.sh_size);
}
- if (fseek(fp, shdr[i].sh_offset, SEEK_SET) < 0) {
+ if (fseek(fp, sec->shdr.sh_offset, SEEK_SET) < 0) {
die("Seek to %d failed: %s\n",
- shdr[i].sh_offset, strerror(errno));
+ sec->shdr.sh_offset, strerror(errno));
}
- if (fread(symtab[i], 1, shdr[i].sh_size, fp) != shdr[i].sh_size) {
+ if (fread(sec->symtab, 1, sec->shdr.sh_size, fp)
+ != sec->shdr.sh_size) {
die("Cannot read symbol table: %s\n",
strerror(errno));
}
- for(j = 0; j < shdr[i].sh_size/sizeof(symtab[i][0]); j++) {
- symtab[i][j].st_name = elf32_to_cpu(symtab[i][j].st_name);
- symtab[i][j].st_value = elf32_to_cpu(symtab[i][j].st_value);
- symtab[i][j].st_size = elf32_to_cpu(symtab[i][j].st_size);
- symtab[i][j].st_shndx = elf16_to_cpu(symtab[i][j].st_shndx);
+ for (j = 0; j < sec->shdr.sh_size/sizeof(Elf32_Sym); j++) {
+ Elf32_Sym *sym = &sec->symtab[j];
+ sym->st_name = elf32_to_cpu(sym->st_name);
+ sym->st_value = elf32_to_cpu(sym->st_value);
+ sym->st_size = elf32_to_cpu(sym->st_size);
+ sym->st_shndx = elf16_to_cpu(sym->st_shndx);
}
}
}
@@ -327,26 +341,29 @@ static void read_symtabs(FILE *fp)
static void read_relocs(FILE *fp)
{
int i,j;
- for(i = 0; i < ehdr.e_shnum; i++) {
- if (shdr[i].sh_type != SHT_REL) {
+ for (i = 0; i < ehdr.e_shnum; i++) {
+ struct section *sec = &secs[i];
+ if (sec->shdr.sh_type != SHT_REL) {
continue;
}
- reltab[i] = malloc(shdr[i].sh_size);
- if (!reltab[i]) {
+ sec->reltab = malloc(sec->shdr.sh_size);
+ if (!sec->reltab) {
die("malloc of %d bytes for relocs failed\n",
- shdr[i].sh_size);
+ sec->shdr.sh_size);
}
- if (fseek(fp, shdr[i].sh_offset, SEEK_SET) < 0) {
+ if (fseek(fp, sec->shdr.sh_offset, SEEK_SET) < 0) {
die("Seek to %d failed: %s\n",
- shdr[i].sh_offset, strerror(errno));
+ sec->shdr.sh_offset, strerror(errno));
}
- if (fread(reltab[i], 1, shdr[i].sh_size, fp) != shdr[i].sh_size) {
+ if (fread(sec->reltab, 1, sec->shdr.sh_size, fp)
+ != sec->shdr.sh_size) {
die("Cannot read symbol table: %s\n",
strerror(errno));
}
- for(j = 0; j < shdr[i].sh_size/sizeof(reltab[0][0]); j++) {
- reltab[i][j].r_offset = elf32_to_cpu(reltab[i][j].r_offset);
- reltab[i][j].r_info = elf32_to_cpu(reltab[i][j].r_info);
+ for (j = 0; j < sec->shdr.sh_size/sizeof(Elf32_Rel); j++) {
+ Elf32_Rel *rel = &sec->reltab[j];
+ rel->r_offset = elf32_to_cpu(rel->r_offset);
+ rel->r_info = elf32_to_cpu(rel->r_info);
}
}
}
@@ -357,19 +374,21 @@ static void print_absolute_symbols(void)
int i;
printf("Absolute symbols\n");
printf(" Num: Value Size Type Bind Visibility Name\n");
- for(i = 0; i < ehdr.e_shnum; i++) {
+ for (i = 0; i < ehdr.e_shnum; i++) {
+ struct section *sec = &secs[i];
char *sym_strtab;
Elf32_Sym *sh_symtab;
int j;
- if (shdr[i].sh_type != SHT_SYMTAB) {
+
+ if (sec->shdr.sh_type != SHT_SYMTAB) {
continue;
}
- sh_symtab = symtab[i];
- sym_strtab = strtab[shdr[i].sh_link];
- for(j = 0; j < shdr[i].sh_size/sizeof(symtab[0][0]); j++) {
+ sh_symtab = sec->symtab;
+ sym_strtab = sec->link->strtab;
+ for (j = 0; j < sec->shdr.sh_size/sizeof(Elf32_Sym); j++) {
Elf32_Sym *sym;
const char *name;
- sym = &symtab[i][j];
+ sym = &sec->symtab[j];
name = sym_name(sym_strtab, sym);
if (sym->st_shndx != SHN_ABS) {
continue;
@@ -389,26 +408,27 @@ static void print_absolute_relocs(void)
{
int i, printed = 0;
- for(i = 0; i < ehdr.e_shnum; i++) {
+ for (i = 0; i < ehdr.e_shnum; i++) {
+ struct section *sec = &secs[i];
+ struct section *sec_applies, *sec_symtab;
char *sym_strtab;
Elf32_Sym *sh_symtab;
- unsigned sec_applies, sec_symtab;
int j;
- if (shdr[i].sh_type != SHT_REL) {
+ if (sec->shdr.sh_type != SHT_REL) {
continue;
}
- sec_symtab = shdr[i].sh_link;
- sec_applies = shdr[i].sh_info;
- if (!(shdr[sec_applies].sh_flags & SHF_ALLOC)) {
+ sec_symtab = sec->link;
+ sec_applies = &secs[sec->shdr.sh_info];
+ if (!(sec_applies->shdr.sh_flags & SHF_ALLOC)) {
continue;
}
- sh_symtab = symtab[sec_symtab];
- sym_strtab = strtab[shdr[sec_symtab].sh_link];
- for(j = 0; j < shdr[i].sh_size/sizeof(reltab[0][0]); j++) {
+ sh_symtab = sec_symtab->symtab;
+ sym_strtab = sec_symtab->link->strtab;
+ for (j = 0; j < sec->shdr.sh_size/sizeof(Elf32_Rel); j++) {
Elf32_Rel *rel;
Elf32_Sym *sym;
const char *name;
- rel = &reltab[i][j];
+ rel = &sec->reltab[j];
sym = &sh_symtab[ELF32_R_SYM(rel->r_info)];
name = sym_name(sym_strtab, sym);
if (sym->st_shndx != SHN_ABS) {
@@ -456,26 +476,28 @@ static void walk_relocs(void (*visit)(Elf32_Rel *rel, Elf32_Sym *sym))
{
int i;
/* Walk through the relocations */
- for(i = 0; i < ehdr.e_shnum; i++) {
+ for (i = 0; i < ehdr.e_shnum; i++) {
char *sym_strtab;
Elf32_Sym *sh_symtab;
- unsigned sec_applies, sec_symtab;
+ struct section *sec_applies, *sec_symtab;
int j;
- if (shdr[i].sh_type != SHT_REL) {
+ struct section *sec = &secs[i];
+
+ if (sec->shdr.sh_type != SHT_REL) {
continue;
}
- sec_symtab = shdr[i].sh_link;
- sec_applies = shdr[i].sh_info;
- if (!(shdr[sec_applies].sh_flags & SHF_ALLOC)) {
+ sec_symtab = sec->link;
+ sec_applies = &secs[sec->shdr.sh_info];
+ if (!(sec_applies->shdr.sh_flags & SHF_ALLOC)) {
continue;
}
- sh_symtab = symtab[sec_symtab];
- sym_strtab = strtab[shdr[sec_symtab].sh_link];
- for(j = 0; j < shdr[i].sh_size/sizeof(reltab[0][0]); j++) {
+ sh_symtab = sec_symtab->symtab;
+ sym_strtab = sec->link->strtab;
+ for (j = 0; j < sec->shdr.sh_size/sizeof(Elf32_Rel); j++) {
Elf32_Rel *rel;
Elf32_Sym *sym;
unsigned r_type;
- rel = &reltab[i][j];
+ rel = &sec->reltab[j];
sym = &sh_symtab[ELF32_R_SYM(rel->r_info)];
r_type = ELF32_R_TYPE(rel->r_info);
/* Don't visit relocations to absolute symbols */
@@ -539,7 +561,7 @@ static void emit_relocs(int as_text)
*/
printf(".section \".data.reloc\",\"a\"\n");
printf(".balign 4\n");
- for(i = 0; i < reloc_count; i++) {
+ for (i = 0; i < reloc_count; i++) {
printf("\t .long 0x%08lx\n", relocs[i]);
}
printf("\n");
@@ -550,7 +572,7 @@ static void emit_relocs(int as_text)
/* Print a stop */
printf("%c%c%c%c", buf[0], buf[1], buf[2], buf[3]);
/* Now print each relocation */
- for(i = 0; i < reloc_count; i++) {
+ for (i = 0; i < reloc_count; i++) {
buf[0] = (relocs[i] >> 0) & 0xff;
buf[1] = (relocs[i] >> 8) & 0xff;
buf[2] = (relocs[i] >> 16) & 0xff;
@@ -577,7 +599,7 @@ int main(int argc, char **argv)
show_absolute_relocs = 0;
as_text = 0;
fname = NULL;
- for(i = 1; i < argc; i++) {
+ for (i = 1; i < argc; i++) {
char *arg = argv[i];
if (*arg == '-') {
if (strcmp(argv[1], "--abs-syms") == 0) {
diff --git a/arch/x86/boot/cpu.c b/arch/x86/boot/cpu.c
index 00e19edd852..92d6fd73dc7 100644
--- a/arch/x86/boot/cpu.c
+++ b/arch/x86/boot/cpu.c
@@ -28,6 +28,8 @@ static char *cpu_name(int level)
if (level == 64) {
return "x86-64";
} else {
+ if (level == 15)
+ level = 6;
sprintf(buf, "i%d86", level);
return buf;
}
diff --git a/arch/x86/boot/main.c b/arch/x86/boot/main.c
index 77569a4a3be..2296164b54d 100644
--- a/arch/x86/boot/main.c
+++ b/arch/x86/boot/main.c
@@ -165,6 +165,10 @@ void main(void)
/* Set the video mode */
set_video();
+ /* Parse command line for 'quiet' and pass it to decompressor. */
+ if (cmdline_find_option_bool("quiet"))
+ boot_params.hdr.loadflags |= QUIET_FLAG;
+
/* Do the last things and invoke protected mode */
go_to_protected_mode();
}
diff --git a/arch/x86/boot/memory.c b/arch/x86/boot/memory.c
index acad32eb429..53165c97336 100644
--- a/arch/x86/boot/memory.c
+++ b/arch/x86/boot/memory.c
@@ -13,6 +13,7 @@
*/
#include "boot.h"
+#include <linux/kernel.h>
#define SMAP 0x534d4150 /* ASCII "SMAP" */
@@ -53,7 +54,7 @@ static int detect_memory_e820(void)
count++;
desc++;
- } while (next && count < E820MAX);
+ } while (next && count < ARRAY_SIZE(boot_params.e820_map));
return boot_params.e820_entries = count;
}
diff --git a/arch/x86/boot/pmjump.S b/arch/x86/boot/pmjump.S
index ab049d40a88..141b6e20ed3 100644
--- a/arch/x86/boot/pmjump.S
+++ b/arch/x86/boot/pmjump.S
@@ -33,6 +33,8 @@ protected_mode_jump:
movw %cs, %bx
shll $4, %ebx
addl %ebx, 2f
+ jmp 1f # Short jump to serialize on 386/486
+1:
movw $__BOOT_DS, %cx
movw $__BOOT_TSS, %di
@@ -40,8 +42,6 @@ protected_mode_jump:
movl %cr0, %edx
orb $X86_CR0_PE, %dl # Protected mode
movl %edx, %cr0
- jmp 1f # Short jump to serialize on 386/486
-1:
# Transition to 32-bit mode
.byte 0x66, 0xea # ljmpl opcode
diff --git a/arch/x86/boot/video-vga.c b/arch/x86/boot/video-vga.c
index 40ecb8d7688..b939cb476de 100644
--- a/arch/x86/boot/video-vga.c
+++ b/arch/x86/boot/video-vga.c
@@ -259,8 +259,7 @@ static int vga_probe(void)
return mode_count[adapter];
}
-__videocard video_vga =
-{
+__videocard video_vga = {
.card_name = "VGA",
.probe = vga_probe,
.set_mode = vga_set_mode,
diff --git a/arch/x86/configs/i386_defconfig b/arch/x86/configs/i386_defconfig
index ad7ddaaff58..9bc34e2033e 100644
--- a/arch/x86/configs/i386_defconfig
+++ b/arch/x86/configs/i386_defconfig
@@ -1,54 +1,103 @@
#
# Automatically generated make config: don't edit
-# Linux kernel version: 2.6.22-git14
-# Fri Jul 20 09:53:15 2007
+# Linux kernel version: 2.6.26-rc1
+# Sun May 4 19:59:02 2008
#
+# CONFIG_64BIT is not set
CONFIG_X86_32=y
+# CONFIG_X86_64 is not set
+CONFIG_X86=y
+CONFIG_DEFCONFIG_LIST="arch/x86/configs/i386_defconfig"
+# CONFIG_GENERIC_LOCKBREAK is not set
CONFIG_GENERIC_TIME=y
+CONFIG_GENERIC_CMOS_UPDATE=y
CONFIG_CLOCKSOURCE_WATCHDOG=y
CONFIG_GENERIC_CLOCKEVENTS=y
CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y
CONFIG_LOCKDEP_SUPPORT=y
CONFIG_STACKTRACE_SUPPORT=y
-CONFIG_SEMAPHORE_SLEEPERS=y
-CONFIG_X86=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
+CONFIG_FAST_CMPXCHG_LOCAL=y
CONFIG_MMU=y
CONFIG_ZONE_DMA=y
-CONFIG_QUICKLIST=y
CONFIG_GENERIC_ISA_DMA=y
CONFIG_GENERIC_IOMAP=y
CONFIG_GENERIC_BUG=y
CONFIG_GENERIC_HWEIGHT=y
+# CONFIG_GENERIC_GPIO is not set
CONFIG_ARCH_MAY_HAVE_PC_FDC=y
-CONFIG_DMI=y
-CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+# CONFIG_RWSEM_GENERIC_SPINLOCK is not set
+CONFIG_RWSEM_XCHGADD_ALGORITHM=y
+# CONFIG_ARCH_HAS_ILOG2_U32 is not set
+# CONFIG_ARCH_HAS_ILOG2_U64 is not set
+CONFIG_ARCH_HAS_CPU_IDLE_WAIT=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+# CONFIG_GENERIC_TIME_VSYSCALL is not set
+CONFIG_ARCH_HAS_CPU_RELAX=y
+CONFIG_ARCH_HAS_CACHE_LINE_SIZE=y
+CONFIG_HAVE_SETUP_PER_CPU_AREA=y
+# CONFIG_HAVE_CPUMASK_OF_CPU_MAP is not set
+CONFIG_ARCH_HIBERNATION_POSSIBLE=y
+CONFIG_ARCH_SUSPEND_POSSIBLE=y
+# CONFIG_ZONE_DMA32 is not set
+CONFIG_ARCH_POPULATES_NODE_MAP=y
+# CONFIG_AUDIT_ARCH is not set
+CONFIG_ARCH_SUPPORTS_AOUT=y
+CONFIG_ARCH_SUPPORTS_OPTIMIZED_INLINING=y
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_GENERIC_PENDING_IRQ=y
+CONFIG_X86_SMP=y
+CONFIG_X86_32_SMP=y
+CONFIG_X86_HT=y
+CONFIG_X86_BIOS_REBOOT=y
+CONFIG_X86_TRAMPOLINE=y
+CONFIG_KTIME_SCALAR=y
#
-# Code maturity level options
+# General setup
#
CONFIG_EXPERIMENTAL=y
CONFIG_LOCK_KERNEL=y
CONFIG_INIT_ENV_ARG_LIMIT=32
-
-#
-# General setup
-#
CONFIG_LOCALVERSION=""
-CONFIG_LOCALVERSION_AUTO=y
+# CONFIG_LOCALVERSION_AUTO is not set
CONFIG_SWAP=y
CONFIG_SYSVIPC=y
CONFIG_SYSVIPC_SYSCTL=y
CONFIG_POSIX_MQUEUE=y
-# CONFIG_BSD_PROCESS_ACCT is not set
-# CONFIG_TASKSTATS is not set
-# CONFIG_USER_NS is not set
-# CONFIG_AUDIT is not set
-CONFIG_IKCONFIG=y
-CONFIG_IKCONFIG_PROC=y
-CONFIG_LOG_BUF_SHIFT=18
-# CONFIG_CPUSETS is not set
-CONFIG_SYSFS_DEPRECATED=y
+CONFIG_BSD_PROCESS_ACCT=y
+# CONFIG_BSD_PROCESS_ACCT_V3 is not set
+CONFIG_TASKSTATS=y
+CONFIG_TASK_DELAY_ACCT=y
+CONFIG_TASK_XACCT=y
+CONFIG_TASK_IO_ACCOUNTING=y
+CONFIG_AUDIT=y
+CONFIG_AUDITSYSCALL=y
+CONFIG_AUDIT_TREE=y
+# CONFIG_IKCONFIG is not set
+CONFIG_LOG_BUF_SHIFT=17
+CONFIG_CGROUPS=y
+# CONFIG_CGROUP_DEBUG is not set
+CONFIG_CGROUP_NS=y
+# CONFIG_CGROUP_DEVICE is not set
+CONFIG_CPUSETS=y
+CONFIG_GROUP_SCHED=y
+CONFIG_FAIR_GROUP_SCHED=y
+# CONFIG_RT_GROUP_SCHED is not set
+# CONFIG_USER_SCHED is not set
+CONFIG_CGROUP_SCHED=y
+CONFIG_CGROUP_CPUACCT=y
+CONFIG_RESOURCE_COUNTERS=y
+# CONFIG_CGROUP_MEM_RES_CTLR is not set
+# CONFIG_SYSFS_DEPRECATED_V2 is not set
+CONFIG_PROC_PID_CPUSET=y
CONFIG_RELAY=y
+CONFIG_NAMESPACES=y
+CONFIG_UTS_NS=y
+CONFIG_IPC_NS=y
+CONFIG_USER_NS=y
+CONFIG_PID_NS=y
CONFIG_BLK_DEV_INITRD=y
CONFIG_INITRAMFS_SOURCE=""
CONFIG_CC_OPTIMIZE_FOR_SIZE=y
@@ -56,13 +105,15 @@ CONFIG_SYSCTL=y
# CONFIG_EMBEDDED is not set
CONFIG_UID16=y
CONFIG_SYSCTL_SYSCALL=y
+CONFIG_SYSCTL_SYSCALL_CHECK=y
CONFIG_KALLSYMS=y
CONFIG_KALLSYMS_ALL=y
-# CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_KALLSYMS_EXTRA_PASS=y
CONFIG_HOTPLUG=y
CONFIG_PRINTK=y
CONFIG_BUG=y
CONFIG_ELF_CORE=y
+# CONFIG_COMPAT_BRK is not set
CONFIG_BASE_FULL=y
CONFIG_FUTEX=y
CONFIG_ANON_INODES=y
@@ -76,6 +127,17 @@ CONFIG_SLUB_DEBUG=y
# CONFIG_SLAB is not set
CONFIG_SLUB=y
# CONFIG_SLOB is not set
+CONFIG_PROFILING=y
+CONFIG_MARKERS=y
+# CONFIG_OPROFILE is not set
+CONFIG_HAVE_OPROFILE=y
+CONFIG_KPROBES=y
+CONFIG_KRETPROBES=y
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+# CONFIG_HAVE_DMA_ATTRS is not set
+CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_SLABINFO=y
CONFIG_RT_MUTEXES=y
# CONFIG_TINY_SHMEM is not set
CONFIG_BASE_SMALL=0
@@ -87,10 +149,10 @@ CONFIG_MODULE_FORCE_UNLOAD=y
# CONFIG_KMOD is not set
CONFIG_STOP_MACHINE=y
CONFIG_BLOCK=y
-CONFIG_LBD=y
-# CONFIG_BLK_DEV_IO_TRACE is not set
+# CONFIG_LBD is not set
+CONFIG_BLK_DEV_IO_TRACE=y
# CONFIG_LSF is not set
-# CONFIG_BLK_DEV_BSG is not set
+CONFIG_BLK_DEV_BSG=y
#
# IO Schedulers
@@ -103,7 +165,8 @@ CONFIG_IOSCHED_CFQ=y
# CONFIG_DEFAULT_DEADLINE is not set
CONFIG_DEFAULT_CFQ=y
# CONFIG_DEFAULT_NOOP is not set
-CONFIG_DEFAULT_IOSCHED="anticipatory"
+CONFIG_DEFAULT_IOSCHED="cfq"
+CONFIG_CLASSIC_RCU=y
#
# Processor type and features
@@ -111,18 +174,21 @@ CONFIG_DEFAULT_IOSCHED="anticipatory"
CONFIG_TICK_ONESHOT=y
CONFIG_NO_HZ=y
CONFIG_HIGH_RES_TIMERS=y
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
CONFIG_SMP=y
-# CONFIG_X86_PC is not set
+CONFIG_X86_PC=y
# CONFIG_X86_ELAN is not set
# CONFIG_X86_VOYAGER is not set
# CONFIG_X86_NUMAQ is not set
# CONFIG_X86_SUMMIT is not set
# CONFIG_X86_BIGSMP is not set
# CONFIG_X86_VISWS is not set
-CONFIG_X86_GENERICARCH=y
+# CONFIG_X86_GENERICARCH is not set
# CONFIG_X86_ES7000 is not set
-# CONFIG_PARAVIRT is not set
-CONFIG_X86_CYCLONE_TIMER=y
+# CONFIG_X86_RDC321X is not set
+# CONFIG_X86_VSMP is not set
+CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
+# CONFIG_PARAVIRT_GUEST is not set
# CONFIG_M386 is not set
# CONFIG_M486 is not set
# CONFIG_M586 is not set
@@ -130,9 +196,8 @@ CONFIG_X86_CYCLONE_TIMER=y
# CONFIG_M586MMX is not set
# CONFIG_M686 is not set
# CONFIG_MPENTIUMII is not set
-CONFIG_MPENTIUMIII=y
+# CONFIG_MPENTIUMIII is not set
# CONFIG_MPENTIUMM is not set
-# CONFIG_MCORE2 is not set
# CONFIG_MPENTIUM4 is not set
# CONFIG_MK6 is not set
# CONFIG_MK7 is not set
@@ -147,14 +212,14 @@ CONFIG_MPENTIUMIII=y
# CONFIG_MCYRIXIII is not set
# CONFIG_MVIAC3_2 is not set
# CONFIG_MVIAC7 is not set
-CONFIG_X86_GENERIC=y
+# CONFIG_MPSC is not set
+CONFIG_MCORE2=y
+# CONFIG_GENERIC_CPU is not set
+# CONFIG_X86_GENERIC is not set
+CONFIG_X86_CPU=y
CONFIG_X86_CMPXCHG=y
-CONFIG_X86_L1_CACHE_SHIFT=7
+CONFIG_X86_L1_CACHE_SHIFT=6
CONFIG_X86_XADD=y
-CONFIG_RWSEM_XCHGADD_ALGORITHM=y
-# CONFIG_ARCH_HAS_ILOG2_U32 is not set
-# CONFIG_ARCH_HAS_ILOG2_U64 is not set
-CONFIG_GENERIC_CALIBRATE_DELAY=y
CONFIG_X86_WP_WORKS_OK=y
CONFIG_X86_INVLPG=y
CONFIG_X86_BSWAP=y
@@ -162,106 +227,120 @@ CONFIG_X86_POPAD_OK=y
CONFIG_X86_GOOD_APIC=y
CONFIG_X86_INTEL_USERCOPY=y
CONFIG_X86_USE_PPRO_CHECKSUM=y
+CONFIG_X86_P6_NOP=y
CONFIG_X86_TSC=y
-CONFIG_X86_CMOV=y
-CONFIG_X86_MINIMUM_CPU_FAMILY=4
+CONFIG_X86_MINIMUM_CPU_FAMILY=6
+CONFIG_X86_DEBUGCTLMSR=y
CONFIG_HPET_TIMER=y
CONFIG_HPET_EMULATE_RTC=y
-CONFIG_NR_CPUS=32
-CONFIG_SCHED_SMT=y
+CONFIG_DMI=y
+# CONFIG_IOMMU_HELPER is not set
+CONFIG_NR_CPUS=4
+# CONFIG_SCHED_SMT is not set
CONFIG_SCHED_MC=y
# CONFIG_PREEMPT_NONE is not set
CONFIG_PREEMPT_VOLUNTARY=y
# CONFIG_PREEMPT is not set
-CONFIG_PREEMPT_BKL=y
CONFIG_X86_LOCAL_APIC=y
CONFIG_X86_IO_APIC=y
-CONFIG_X86_MCE=y
-CONFIG_X86_MCE_NONFATAL=y
-CONFIG_X86_MCE_P4THERMAL=y
+# CONFIG_X86_MCE is not set
CONFIG_VM86=y
# CONFIG_TOSHIBA is not set
# CONFIG_I8K is not set
# CONFIG_X86_REBOOTFIXUPS is not set
-CONFIG_MICROCODE=y
-CONFIG_MICROCODE_OLD_INTERFACE=y
+# CONFIG_MICROCODE is not set
CONFIG_X86_MSR=y
CONFIG_X86_CPUID=y
-
-#
-# Firmware Drivers
-#
-# CONFIG_EDD is not set
-# CONFIG_DELL_RBU is not set
-# CONFIG_DCDBAS is not set
-CONFIG_DMIID=y
# CONFIG_NOHIGHMEM is not set
CONFIG_HIGHMEM4G=y
# CONFIG_HIGHMEM64G is not set
CONFIG_PAGE_OFFSET=0xC0000000
CONFIG_HIGHMEM=y
-CONFIG_ARCH_POPULATES_NODE_MAP=y
+CONFIG_NEED_NODE_MEMMAP_SIZE=y
+CONFIG_ARCH_FLATMEM_ENABLE=y
+CONFIG_ARCH_SPARSEMEM_ENABLE=y
+CONFIG_ARCH_SELECT_MEMORY_MODEL=y
CONFIG_SELECT_MEMORY_MODEL=y
-CONFIG_FLATMEM_MANUAL=y
+# CONFIG_FLATMEM_MANUAL is not set
# CONFIG_DISCONTIGMEM_MANUAL is not set
-# CONFIG_SPARSEMEM_MANUAL is not set
-CONFIG_FLATMEM=y
-CONFIG_FLAT_NODE_MEM_MAP=y
-# CONFIG_SPARSEMEM_STATIC is not set
+CONFIG_SPARSEMEM_MANUAL=y
+CONFIG_SPARSEMEM=y
+CONFIG_HAVE_MEMORY_PRESENT=y
+CONFIG_SPARSEMEM_STATIC=y
+# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
+
+#
+# Memory hotplug is currently incompatible with Software Suspend
+#
+CONFIG_PAGEFLAGS_EXTENDED=y
CONFIG_SPLIT_PTLOCK_CPUS=4
CONFIG_RESOURCES_64BIT=y
CONFIG_ZONE_DMA_FLAG=1
CONFIG_BOUNCE=y
-CONFIG_NR_QUICK=1
CONFIG_VIRT_TO_BUS=y
# CONFIG_HIGHPTE is not set
# CONFIG_MATH_EMULATION is not set
CONFIG_MTRR=y
-# CONFIG_EFI is not set
+# CONFIG_X86_PAT is not set
+CONFIG_EFI=y
# CONFIG_IRQBALANCE is not set
CONFIG_SECCOMP=y
# CONFIG_HZ_100 is not set
-CONFIG_HZ_250=y
+# CONFIG_HZ_250 is not set
# CONFIG_HZ_300 is not set
-# CONFIG_HZ_1000 is not set
-CONFIG_HZ=250
-# CONFIG_KEXEC is not set
-# CONFIG_CRASH_DUMP is not set
-CONFIG_PHYSICAL_START=0x100000
-# CONFIG_RELOCATABLE is not set
-CONFIG_PHYSICAL_ALIGN=0x100000
-# CONFIG_HOTPLUG_CPU is not set
-CONFIG_COMPAT_VDSO=y
+CONFIG_HZ_1000=y
+CONFIG_HZ=1000
+CONFIG_SCHED_HRTICK=y
+CONFIG_KEXEC=y
+CONFIG_CRASH_DUMP=y
+CONFIG_PHYSICAL_START=0x1000000
+CONFIG_RELOCATABLE=y
+CONFIG_PHYSICAL_ALIGN=0x200000
+CONFIG_HOTPLUG_CPU=y
+# CONFIG_COMPAT_VDSO is not set
CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y
#
-# Power management options (ACPI, APM)
+# Power management options
#
CONFIG_PM=y
-CONFIG_PM_LEGACY=y
-# CONFIG_PM_DEBUG is not set
-
-#
-# ACPI (Advanced Configuration and Power Interface) Support
-#
+CONFIG_PM_DEBUG=y
+# CONFIG_PM_VERBOSE is not set
+CONFIG_CAN_PM_TRACE=y
+CONFIG_PM_TRACE=y
+CONFIG_PM_TRACE_RTC=y
+CONFIG_PM_SLEEP_SMP=y
+CONFIG_PM_SLEEP=y
+CONFIG_SUSPEND=y
+CONFIG_SUSPEND_FREEZER=y
+CONFIG_HIBERNATION=y
+CONFIG_PM_STD_PARTITION=""
CONFIG_ACPI=y
+CONFIG_ACPI_SLEEP=y
CONFIG_ACPI_PROCFS=y
+CONFIG_ACPI_PROCFS_POWER=y
+CONFIG_ACPI_SYSFS_POWER=y
+CONFIG_ACPI_PROC_EVENT=y
CONFIG_ACPI_AC=y
CONFIG_ACPI_BATTERY=y
CONFIG_ACPI_BUTTON=y
CONFIG_ACPI_FAN=y
-# CONFIG_ACPI_DOCK is not set
+CONFIG_ACPI_DOCK=y
+# CONFIG_ACPI_BAY is not set
CONFIG_ACPI_PROCESSOR=y
+CONFIG_ACPI_HOTPLUG_CPU=y
CONFIG_ACPI_THERMAL=y
+# CONFIG_ACPI_WMI is not set
# CONFIG_ACPI_ASUS is not set
# CONFIG_ACPI_TOSHIBA is not set
-CONFIG_ACPI_BLACKLIST_YEAR=2001
-CONFIG_ACPI_DEBUG=y
+# CONFIG_ACPI_CUSTOM_DSDT is not set
+CONFIG_ACPI_BLACKLIST_YEAR=0
+# CONFIG_ACPI_DEBUG is not set
CONFIG_ACPI_EC=y
CONFIG_ACPI_POWER=y
CONFIG_ACPI_SYSTEM=y
CONFIG_X86_PM_TIMER=y
-# CONFIG_ACPI_CONTAINER is not set
+CONFIG_ACPI_CONTAINER=y
# CONFIG_ACPI_SBS is not set
# CONFIG_APM is not set
@@ -271,15 +350,17 @@ CONFIG_X86_PM_TIMER=y
CONFIG_CPU_FREQ=y
CONFIG_CPU_FREQ_TABLE=y
CONFIG_CPU_FREQ_DEBUG=y
-CONFIG_CPU_FREQ_STAT=y
-# CONFIG_CPU_FREQ_STAT_DETAILS is not set
-CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y
-# CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE is not set
+# CONFIG_CPU_FREQ_STAT is not set
+# CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE is not set
+# CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE is not set
+CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE=y
+# CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND is not set
+# CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE is not set
CONFIG_CPU_FREQ_GOV_PERFORMANCE=y
# CONFIG_CPU_FREQ_GOV_POWERSAVE is not set
CONFIG_CPU_FREQ_GOV_USERSPACE=y
CONFIG_CPU_FREQ_GOV_ONDEMAND=y
-CONFIG_CPU_FREQ_GOV_CONSERVATIVE=y
+# CONFIG_CPU_FREQ_GOV_CONSERVATIVE is not set
#
# CPUFreq processor drivers
@@ -287,8 +368,7 @@ CONFIG_CPU_FREQ_GOV_CONSERVATIVE=y
CONFIG_X86_ACPI_CPUFREQ=y
# CONFIG_X86_POWERNOW_K6 is not set
# CONFIG_X86_POWERNOW_K7 is not set
-CONFIG_X86_POWERNOW_K8=y
-CONFIG_X86_POWERNOW_K8_ACPI=y
+# CONFIG_X86_POWERNOW_K8 is not set
# CONFIG_X86_GX_SUSPMOD is not set
# CONFIG_X86_SPEEDSTEP_CENTRINO is not set
# CONFIG_X86_SPEEDSTEP_ICH is not set
@@ -302,43 +382,72 @@ CONFIG_X86_POWERNOW_K8_ACPI=y
#
# shared options
#
-CONFIG_X86_ACPI_CPUFREQ_PROC_INTF=y
+# CONFIG_X86_ACPI_CPUFREQ_PROC_INTF is not set
# CONFIG_X86_SPEEDSTEP_LIB is not set
+CONFIG_CPU_IDLE=y
+CONFIG_CPU_IDLE_GOV_LADDER=y
+CONFIG_CPU_IDLE_GOV_MENU=y
#
-# Bus options (PCI, PCMCIA, EISA, MCA, ISA)
+# Bus options (PCI etc.)
#
CONFIG_PCI=y
# CONFIG_PCI_GOBIOS is not set
# CONFIG_PCI_GOMMCONFIG is not set
# CONFIG_PCI_GODIRECT is not set
CONFIG_PCI_GOANY=y
+# CONFIG_PCI_GOOLPC is not set
CONFIG_PCI_BIOS=y
CONFIG_PCI_DIRECT=y
CONFIG_PCI_MMCONFIG=y
-# CONFIG_PCIEPORTBUS is not set
+CONFIG_PCI_DOMAINS=y
+CONFIG_PCIEPORTBUS=y
+# CONFIG_HOTPLUG_PCI_PCIE is not set
+CONFIG_PCIEAER=y
+# CONFIG_PCIEASPM is not set
CONFIG_ARCH_SUPPORTS_MSI=y
CONFIG_PCI_MSI=y
+# CONFIG_PCI_LEGACY is not set
# CONFIG_PCI_DEBUG is not set
-# CONFIG_HT_IRQ is not set
+CONFIG_HT_IRQ=y
CONFIG_ISA_DMA_API=y
# CONFIG_ISA is not set
# CONFIG_MCA is not set
# CONFIG_SCx200 is not set
+# CONFIG_OLPC is not set
CONFIG_K8_NB=y
-
-#
-# PCCARD (PCMCIA/CardBus) support
-#
-# CONFIG_PCCARD is not set
-# CONFIG_HOTPLUG_PCI is not set
-
-#
-# Executable file formats
+CONFIG_PCCARD=y
+# CONFIG_PCMCIA_DEBUG is not set
+CONFIG_PCMCIA=y
+CONFIG_PCMCIA_LOAD_CIS=y
+CONFIG_PCMCIA_IOCTL=y
+CONFIG_CARDBUS=y
+
+#
+# PC-card bridges
+#
+CONFIG_YENTA=y
+CONFIG_YENTA_O2=y
+CONFIG_YENTA_RICOH=y
+CONFIG_YENTA_TI=y
+CONFIG_YENTA_ENE_TUNE=y
+CONFIG_YENTA_TOSHIBA=y
+# CONFIG_PD6729 is not set
+# CONFIG_I82092 is not set
+CONFIG_PCCARD_NONSTATIC=y
+CONFIG_HOTPLUG_PCI=y
+# CONFIG_HOTPLUG_PCI_FAKE is not set
+# CONFIG_HOTPLUG_PCI_IBM is not set
+# CONFIG_HOTPLUG_PCI_ACPI is not set
+# CONFIG_HOTPLUG_PCI_CPCI is not set
+# CONFIG_HOTPLUG_PCI_SHPC is not set
+
+#
+# Executable file formats / Emulations
#
CONFIG_BINFMT_ELF=y
# CONFIG_BINFMT_AOUT is not set
-# CONFIG_BINFMT_MISC is not set
+CONFIG_BINFMT_MISC=y
#
# Networking
@@ -349,59 +458,142 @@ CONFIG_NET=y
# Networking options
#
CONFIG_PACKET=y
-# CONFIG_PACKET_MMAP is not set
+CONFIG_PACKET_MMAP=y
CONFIG_UNIX=y
CONFIG_XFRM=y
-# CONFIG_XFRM_USER is not set
+CONFIG_XFRM_USER=y
# CONFIG_XFRM_SUB_POLICY is not set
# CONFIG_XFRM_MIGRATE is not set
+# CONFIG_XFRM_STATISTICS is not set
# CONFIG_NET_KEY is not set
CONFIG_INET=y
CONFIG_IP_MULTICAST=y
-# CONFIG_IP_ADVANCED_ROUTER is not set
+CONFIG_IP_ADVANCED_ROUTER=y
+CONFIG_ASK_IP_FIB_HASH=y
+# CONFIG_IP_FIB_TRIE is not set
CONFIG_IP_FIB_HASH=y
-CONFIG_IP_PNP=y
-CONFIG_IP_PNP_DHCP=y
-# CONFIG_IP_PNP_BOOTP is not set
-# CONFIG_IP_PNP_RARP is not set
+CONFIG_IP_MULTIPLE_TABLES=y
+CONFIG_IP_ROUTE_MULTIPATH=y
+CONFIG_IP_ROUTE_VERBOSE=y
+# CONFIG_IP_PNP is not set
# CONFIG_NET_IPIP is not set
# CONFIG_NET_IPGRE is not set
-# CONFIG_IP_MROUTE is not set
+CONFIG_IP_MROUTE=y
+CONFIG_IP_PIMSM_V1=y
+CONFIG_IP_PIMSM_V2=y
# CONFIG_ARPD is not set
-# CONFIG_SYN_COOKIES is not set
+CONFIG_SYN_COOKIES=y
# CONFIG_INET_AH is not set
# CONFIG_INET_ESP is not set
# CONFIG_INET_IPCOMP is not set
# CONFIG_INET_XFRM_TUNNEL is not set
CONFIG_INET_TUNNEL=y
-CONFIG_INET_XFRM_MODE_TRANSPORT=y
-CONFIG_INET_XFRM_MODE_TUNNEL=y
+# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
+# CONFIG_INET_XFRM_MODE_TUNNEL is not set
# CONFIG_INET_XFRM_MODE_BEET is not set
-CONFIG_INET_DIAG=y
-CONFIG_INET_TCP_DIAG=y
-# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_INET_LRO=y
+# CONFIG_INET_DIAG is not set
+CONFIG_TCP_CONG_ADVANCED=y
+# CONFIG_TCP_CONG_BIC is not set
CONFIG_TCP_CONG_CUBIC=y
+# CONFIG_TCP_CONG_WESTWOOD is not set
+# CONFIG_TCP_CONG_HTCP is not set
+# CONFIG_TCP_CONG_HSTCP is not set
+# CONFIG_TCP_CONG_HYBLA is not set
+# CONFIG_TCP_CONG_VEGAS is not set
+# CONFIG_TCP_CONG_SCALABLE is not set
+# CONFIG_TCP_CONG_LP is not set
+# CONFIG_TCP_CONG_VENO is not set
+# CONFIG_TCP_CONG_YEAH is not set
+# CONFIG_TCP_CONG_ILLINOIS is not set
+# CONFIG_DEFAULT_BIC is not set
+CONFIG_DEFAULT_CUBIC=y
+# CONFIG_DEFAULT_HTCP is not set
+# CONFIG_DEFAULT_VEGAS is not set
+# CONFIG_DEFAULT_WESTWOOD is not set
+# CONFIG_DEFAULT_RENO is not set
CONFIG_DEFAULT_TCP_CONG="cubic"
-# CONFIG_TCP_MD5SIG is not set
+CONFIG_TCP_MD5SIG=y
+# CONFIG_IP_VS is not set
CONFIG_IPV6=y
# CONFIG_IPV6_PRIVACY is not set
# CONFIG_IPV6_ROUTER_PREF is not set
# CONFIG_IPV6_OPTIMISTIC_DAD is not set
-# CONFIG_INET6_AH is not set
-# CONFIG_INET6_ESP is not set
+CONFIG_INET6_AH=y
+CONFIG_INET6_ESP=y
# CONFIG_INET6_IPCOMP is not set
# CONFIG_IPV6_MIP6 is not set
# CONFIG_INET6_XFRM_TUNNEL is not set
# CONFIG_INET6_TUNNEL is not set
CONFIG_INET6_XFRM_MODE_TRANSPORT=y
CONFIG_INET6_XFRM_MODE_TUNNEL=y
-# CONFIG_INET6_XFRM_MODE_BEET is not set
+CONFIG_INET6_XFRM_MODE_BEET=y
# CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION is not set
CONFIG_IPV6_SIT=y
+CONFIG_IPV6_NDISC_NODETYPE=y
# CONFIG_IPV6_TUNNEL is not set
# CONFIG_IPV6_MULTIPLE_TABLES is not set
-# CONFIG_NETWORK_SECMARK is not set
-# CONFIG_NETFILTER is not set
+# CONFIG_IPV6_MROUTE is not set
+CONFIG_NETLABEL=y
+CONFIG_NETWORK_SECMARK=y
+CONFIG_NETFILTER=y
+# CONFIG_NETFILTER_DEBUG is not set
+# CONFIG_NETFILTER_ADVANCED is not set
+
+#
+# Core Netfilter Configuration
+#
+CONFIG_NETFILTER_NETLINK=y
+CONFIG_NETFILTER_NETLINK_LOG=y
+CONFIG_NF_CONNTRACK=y
+CONFIG_NF_CONNTRACK_SECMARK=y
+CONFIG_NF_CONNTRACK_FTP=y
+CONFIG_NF_CONNTRACK_IRC=y
+CONFIG_NF_CONNTRACK_SIP=y
+CONFIG_NF_CT_NETLINK=y
+CONFIG_NETFILTER_XTABLES=y
+CONFIG_NETFILTER_XT_TARGET_MARK=y
+CONFIG_NETFILTER_XT_TARGET_NFLOG=y
+CONFIG_NETFILTER_XT_TARGET_SECMARK=y
+CONFIG_NETFILTER_XT_TARGET_CONNSECMARK=y
+CONFIG_NETFILTER_XT_TARGET_TCPMSS=y
+CONFIG_NETFILTER_XT_MATCH_CONNTRACK=y
+CONFIG_NETFILTER_XT_MATCH_MARK=y
+CONFIG_NETFILTER_XT_MATCH_POLICY=y
+CONFIG_NETFILTER_XT_MATCH_STATE=y
+
+#
+# IP: Netfilter Configuration
+#
+CONFIG_NF_CONNTRACK_IPV4=y
+CONFIG_NF_CONNTRACK_PROC_COMPAT=y
+CONFIG_IP_NF_IPTABLES=y
+CONFIG_IP_NF_FILTER=y
+CONFIG_IP_NF_TARGET_REJECT=y
+CONFIG_IP_NF_TARGET_LOG=y
+CONFIG_IP_NF_TARGET_ULOG=y
+CONFIG_NF_NAT=y
+CONFIG_NF_NAT_NEEDED=y
+CONFIG_IP_NF_TARGET_MASQUERADE=y
+CONFIG_NF_NAT_FTP=y
+CONFIG_NF_NAT_IRC=y
+# CONFIG_NF_NAT_TFTP is not set
+# CONFIG_NF_NAT_AMANDA is not set
+# CONFIG_NF_NAT_PPTP is not set
+# CONFIG_NF_NAT_H323 is not set
+CONFIG_NF_NAT_SIP=y
+CONFIG_IP_NF_MANGLE=y
+
+#
+# IPv6: Netfilter Configuration
+#
+CONFIG_NF_CONNTRACK_IPV6=y
+CONFIG_IP6_NF_IPTABLES=y
+CONFIG_IP6_NF_MATCH_IPV6HEADER=y
+CONFIG_IP6_NF_FILTER=y
+CONFIG_IP6_NF_TARGET_LOG=y
+CONFIG_IP6_NF_TARGET_REJECT=y
+CONFIG_IP6_NF_MANGLE=y
# CONFIG_IP_DCCP is not set
# CONFIG_IP_SCTP is not set
# CONFIG_TIPC is not set
@@ -409,6 +601,7 @@ CONFIG_IPV6_SIT=y
# CONFIG_BRIDGE is not set
# CONFIG_VLAN_8021Q is not set
# CONFIG_DECNET is not set
+CONFIG_LLC=y
# CONFIG_LLC2 is not set
# CONFIG_IPX is not set
# CONFIG_ATALK is not set
@@ -416,28 +609,99 @@ CONFIG_IPV6_SIT=y
# CONFIG_LAPB is not set
# CONFIG_ECONET is not set
# CONFIG_WAN_ROUTER is not set
-
-#
-# QoS and/or fair queueing
-#
-# CONFIG_NET_SCHED is not set
+CONFIG_NET_SCHED=y
+
+#
+# Queueing/Scheduling
+#
+# CONFIG_NET_SCH_CBQ is not set
+# CONFIG_NET_SCH_HTB is not set
+# CONFIG_NET_SCH_HFSC is not set
+# CONFIG_NET_SCH_PRIO is not set
+# CONFIG_NET_SCH_RR is not set
+# CONFIG_NET_SCH_RED is not set
+# CONFIG_NET_SCH_SFQ is not set
+# CONFIG_NET_SCH_TEQL is not set
+# CONFIG_NET_SCH_TBF is not set
+# CONFIG_NET_SCH_GRED is not set
+# CONFIG_NET_SCH_DSMARK is not set
+# CONFIG_NET_SCH_NETEM is not set
+# CONFIG_NET_SCH_INGRESS is not set
+
+#
+# Classification
+#
+CONFIG_NET_CLS=y
+# CONFIG_NET_CLS_BASIC is not set
+# CONFIG_NET_CLS_TCINDEX is not set
+# CONFIG_NET_CLS_ROUTE4 is not set
+# CONFIG_NET_CLS_FW is not set
+# CONFIG_NET_CLS_U32 is not set
+# CONFIG_NET_CLS_RSVP is not set
+# CONFIG_NET_CLS_RSVP6 is not set
+# CONFIG_NET_CLS_FLOW is not set
+CONFIG_NET_EMATCH=y
+CONFIG_NET_EMATCH_STACK=32
+# CONFIG_NET_EMATCH_CMP is not set
+# CONFIG_NET_EMATCH_NBYTE is not set
+# CONFIG_NET_EMATCH_U32 is not set
+# CONFIG_NET_EMATCH_META is not set
+# CONFIG_NET_EMATCH_TEXT is not set
+CONFIG_NET_CLS_ACT=y
+# CONFIG_NET_ACT_POLICE is not set
+# CONFIG_NET_ACT_GACT is not set
+# CONFIG_NET_ACT_MIRRED is not set
+# CONFIG_NET_ACT_IPT is not set
+# CONFIG_NET_ACT_NAT is not set
+# CONFIG_NET_ACT_PEDIT is not set
+# CONFIG_NET_ACT_SIMP is not set
+CONFIG_NET_SCH_FIFO=y
#
# Network testing
#
# CONFIG_NET_PKTGEN is not set
# CONFIG_NET_TCPPROBE is not set
-# CONFIG_HAMRADIO is not set
+CONFIG_HAMRADIO=y
+
+#
+# Packet Radio protocols
+#
+# CONFIG_AX25 is not set
+# CONFIG_CAN is not set
# CONFIG_IRDA is not set
# CONFIG_BT is not set
# CONFIG_AF_RXRPC is not set
+CONFIG_FIB_RULES=y
#
# Wireless
#
-# CONFIG_CFG80211 is not set
-# CONFIG_WIRELESS_EXT is not set
-# CONFIG_MAC80211 is not set
+CONFIG_CFG80211=y
+CONFIG_NL80211=y
+CONFIG_WIRELESS_EXT=y
+CONFIG_MAC80211=y
+
+#
+# Rate control algorithm selection
+#
+CONFIG_MAC80211_RC_DEFAULT_PID=y
+# CONFIG_MAC80211_RC_DEFAULT_NONE is not set
+
+#
+# Selecting 'y' for an algorithm will
+#
+
+#
+# build the algorithm into mac80211.
+#
+CONFIG_MAC80211_RC_DEFAULT="pid"
+CONFIG_MAC80211_RC_PID=y
+# CONFIG_MAC80211_MESH is not set
+CONFIG_MAC80211_LEDS=y
+# CONFIG_MAC80211_DEBUGFS is not set
+# CONFIG_MAC80211_DEBUG_PACKET_ALIGNMENT is not set
+# CONFIG_MAC80211_DEBUG is not set
# CONFIG_IEEE80211 is not set
# CONFIG_RFKILL is not set
# CONFIG_NET_9P is not set
@@ -449,13 +713,15 @@ CONFIG_IPV6_SIT=y
#
# Generic Driver Options
#
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_STANDALONE=y
CONFIG_PREVENT_FIRMWARE_BUILD=y
CONFIG_FW_LOADER=y
# CONFIG_DEBUG_DRIVER is not set
-# CONFIG_DEBUG_DEVRES is not set
+CONFIG_DEBUG_DEVRES=y
# CONFIG_SYS_HYPERVISOR is not set
-# CONFIG_CONNECTOR is not set
+CONFIG_CONNECTOR=y
+CONFIG_PROC_EVENTS=y
# CONFIG_MTD is not set
# CONFIG_PARPORT is not set
CONFIG_PNP=y
@@ -466,7 +732,7 @@ CONFIG_PNP=y
#
CONFIG_PNPACPI=y
CONFIG_BLK_DEV=y
-CONFIG_BLK_DEV_FD=y
+# CONFIG_BLK_DEV_FD is not set
# CONFIG_BLK_CPQ_DA is not set
# CONFIG_BLK_CPQ_CISS_DA is not set
# CONFIG_BLK_DEV_DAC960 is not set
@@ -479,8 +745,8 @@ CONFIG_BLK_DEV_LOOP=y
# CONFIG_BLK_DEV_UB is not set
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_RAM_COUNT=16
-CONFIG_BLK_DEV_RAM_SIZE=4096
-CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024
+CONFIG_BLK_DEV_RAM_SIZE=16384
+# CONFIG_BLK_DEV_XIP is not set
# CONFIG_CDROM_PKTCDVD is not set
# CONFIG_ATA_OVER_ETH is not set
CONFIG_MISC_DEVICES=y
@@ -489,73 +755,17 @@ CONFIG_MISC_DEVICES=y
# CONFIG_EEPROM_93CX6 is not set
# CONFIG_SGI_IOC4 is not set
# CONFIG_TIFM_CORE is not set
+# CONFIG_ACER_WMI is not set
+# CONFIG_ASUS_LAPTOP is not set
+# CONFIG_FUJITSU_LAPTOP is not set
+# CONFIG_TC1100_WMI is not set
+# CONFIG_MSI_LAPTOP is not set
# CONFIG_SONY_LAPTOP is not set
# CONFIG_THINKPAD_ACPI is not set
-CONFIG_IDE=y
-CONFIG_BLK_DEV_IDE=y
-
-#
-# Please see Documentation/ide.txt for help/info on IDE drives
-#
-# CONFIG_BLK_DEV_IDE_SATA is not set
-# CONFIG_BLK_DEV_HD_IDE is not set
-CONFIG_BLK_DEV_IDEDISK=y
-CONFIG_IDEDISK_MULTI_MODE=y
-CONFIG_BLK_DEV_IDECD=y
-# CONFIG_BLK_DEV_IDETAPE is not set
-# CONFIG_BLK_DEV_IDEFLOPPY is not set
-# CONFIG_BLK_DEV_IDESCSI is not set
-CONFIG_BLK_DEV_IDEACPI=y
-# CONFIG_IDE_TASK_IOCTL is not set
-CONFIG_IDE_PROC_FS=y
-
-#
-# IDE chipset support/bugfixes
-#
-CONFIG_IDE_GENERIC=y
-# CONFIG_BLK_DEV_CMD640 is not set
-# CONFIG_BLK_DEV_IDEPNP is not set
-CONFIG_BLK_DEV_IDEPCI=y
-# CONFIG_IDEPCI_SHARE_IRQ is not set
-CONFIG_IDEPCI_PCIBUS_ORDER=y
-# CONFIG_BLK_DEV_OFFBOARD is not set
-# CONFIG_BLK_DEV_GENERIC is not set
-# CONFIG_BLK_DEV_OPTI621 is not set
-# CONFIG_BLK_DEV_RZ1000 is not set
-CONFIG_BLK_DEV_IDEDMA_PCI=y
-# CONFIG_BLK_DEV_IDEDMA_FORCED is not set
-# CONFIG_IDEDMA_ONLYDISK is not set
-# CONFIG_BLK_DEV_AEC62XX is not set
-# CONFIG_BLK_DEV_ALI15X3 is not set
-CONFIG_BLK_DEV_AMD74XX=y
-# CONFIG_BLK_DEV_ATIIXP is not set
-# CONFIG_BLK_DEV_CMD64X is not set
-# CONFIG_BLK_DEV_TRIFLEX is not set
-# CONFIG_BLK_DEV_CY82C693 is not set
-# CONFIG_BLK_DEV_CS5520 is not set
-# CONFIG_BLK_DEV_CS5530 is not set
-# CONFIG_BLK_DEV_CS5535 is not set
-# CONFIG_BLK_DEV_HPT34X is not set
-# CONFIG_BLK_DEV_HPT366 is not set
-# CONFIG_BLK_DEV_JMICRON is not set
-# CONFIG_BLK_DEV_SC1200 is not set
-CONFIG_BLK_DEV_PIIX=y
-# CONFIG_BLK_DEV_IT8213 is not set
-# CONFIG_BLK_DEV_IT821X is not set
-# CONFIG_BLK_DEV_NS87415 is not set
-# CONFIG_BLK_DEV_PDC202XX_OLD is not set
-# CONFIG_BLK_DEV_PDC202XX_NEW is not set
-# CONFIG_BLK_DEV_SVWKS is not set
-# CONFIG_BLK_DEV_SIIMAGE is not set
-# CONFIG_BLK_DEV_SIS5513 is not set
-# CONFIG_BLK_DEV_SLC90E66 is not set
-# CONFIG_BLK_DEV_TRM290 is not set
-# CONFIG_BLK_DEV_VIA82CXXX is not set
-# CONFIG_BLK_DEV_TC86C001 is not set
-# CONFIG_IDE_ARM is not set
-CONFIG_BLK_DEV_IDEDMA=y
-# CONFIG_IDEDMA_IVB is not set
-# CONFIG_BLK_DEV_HD is not set
+# CONFIG_INTEL_MENLOW is not set
+# CONFIG_ENCLOSURE_SERVICES is not set
+CONFIG_HAVE_IDE=y
+# CONFIG_IDE is not set
#
# SCSI device support
@@ -564,8 +774,8 @@ CONFIG_BLK_DEV_IDEDMA=y
CONFIG_SCSI=y
CONFIG_SCSI_DMA=y
# CONFIG_SCSI_TGT is not set
-CONFIG_SCSI_NETLINK=y
-# CONFIG_SCSI_PROC_FS is not set
+# CONFIG_SCSI_NETLINK is not set
+CONFIG_SCSI_PROC_FS=y
#
# SCSI support type (disk, tape, CD-ROM)
@@ -574,7 +784,7 @@ CONFIG_BLK_DEV_SD=y
# CONFIG_CHR_DEV_ST is not set
# CONFIG_CHR_DEV_OSST is not set
CONFIG_BLK_DEV_SR=y
-# CONFIG_BLK_DEV_SR_VENDOR is not set
+CONFIG_BLK_DEV_SR_VENDOR=y
CONFIG_CHR_DEV_SG=y
# CONFIG_CHR_DEV_SCH is not set
@@ -582,7 +792,7 @@ CONFIG_CHR_DEV_SG=y
# Some SCSI devices (e.g. CD jukebox) support multiple LUNs
#
# CONFIG_SCSI_MULTI_LUN is not set
-# CONFIG_SCSI_CONSTANTS is not set
+CONFIG_SCSI_CONSTANTS=y
# CONFIG_SCSI_LOGGING is not set
# CONFIG_SCSI_SCAN_ASYNC is not set
CONFIG_SCSI_WAIT_SCAN=m
@@ -591,81 +801,37 @@ CONFIG_SCSI_WAIT_SCAN=m
# SCSI Transports
#
CONFIG_SCSI_SPI_ATTRS=y
-CONFIG_SCSI_FC_ATTRS=y
+# CONFIG_SCSI_FC_ATTRS is not set
# CONFIG_SCSI_ISCSI_ATTRS is not set
# CONFIG_SCSI_SAS_ATTRS is not set
# CONFIG_SCSI_SAS_LIBSAS is not set
-
-#
-# SCSI low-level drivers
-#
-# CONFIG_ISCSI_TCP is not set
-CONFIG_BLK_DEV_3W_XXXX_RAID=y
-# CONFIG_SCSI_3W_9XXX is not set
-# CONFIG_SCSI_ACARD is not set
-# CONFIG_SCSI_AACRAID is not set
-CONFIG_SCSI_AIC7XXX=y
-CONFIG_AIC7XXX_CMDS_PER_DEVICE=32
-CONFIG_AIC7XXX_RESET_DELAY_MS=5000
-CONFIG_AIC7XXX_DEBUG_ENABLE=y
-CONFIG_AIC7XXX_DEBUG_MASK=0
-CONFIG_AIC7XXX_REG_PRETTY_PRINT=y
-# CONFIG_SCSI_AIC7XXX_OLD is not set
-CONFIG_SCSI_AIC79XX=y
-CONFIG_AIC79XX_CMDS_PER_DEVICE=32
-CONFIG_AIC79XX_RESET_DELAY_MS=4000
-# CONFIG_AIC79XX_DEBUG_ENABLE is not set
-CONFIG_AIC79XX_DEBUG_MASK=0
-# CONFIG_AIC79XX_REG_PRETTY_PRINT is not set
-# CONFIG_SCSI_AIC94XX is not set
-# CONFIG_SCSI_DPT_I2O is not set
-# CONFIG_SCSI_ADVANSYS is not set
-# CONFIG_SCSI_ARCMSR is not set
-# CONFIG_MEGARAID_NEWGEN is not set
-# CONFIG_MEGARAID_LEGACY is not set
-# CONFIG_MEGARAID_SAS is not set
-# CONFIG_SCSI_HPTIOP is not set
-# CONFIG_SCSI_BUSLOGIC is not set
-# CONFIG_SCSI_DMX3191D is not set
-# CONFIG_SCSI_EATA is not set
-# CONFIG_SCSI_FUTURE_DOMAIN is not set
-# CONFIG_SCSI_GDTH is not set
-# CONFIG_SCSI_IPS is not set
-# CONFIG_SCSI_INITIO is not set
-# CONFIG_SCSI_INIA100 is not set
-# CONFIG_SCSI_STEX is not set
-# CONFIG_SCSI_SYM53C8XX_2 is not set
-# CONFIG_SCSI_IPR is not set
-# CONFIG_SCSI_QLOGIC_1280 is not set
-# CONFIG_SCSI_QLA_FC is not set
-# CONFIG_SCSI_QLA_ISCSI is not set
-# CONFIG_SCSI_LPFC is not set
-# CONFIG_SCSI_DC395x is not set
-# CONFIG_SCSI_DC390T is not set
-# CONFIG_SCSI_NSP32 is not set
-# CONFIG_SCSI_DEBUG is not set
-# CONFIG_SCSI_SRP is not set
+# CONFIG_SCSI_SRP_ATTRS is not set
+# CONFIG_SCSI_LOWLEVEL is not set
+# CONFIG_SCSI_LOWLEVEL_PCMCIA is not set
CONFIG_ATA=y
# CONFIG_ATA_NONSTANDARD is not set
CONFIG_ATA_ACPI=y
+CONFIG_SATA_PMP=y
CONFIG_SATA_AHCI=y
-CONFIG_SATA_SVW=y
+# CONFIG_SATA_SIL24 is not set
+CONFIG_ATA_SFF=y
+# CONFIG_SATA_SVW is not set
CONFIG_ATA_PIIX=y
# CONFIG_SATA_MV is not set
-CONFIG_SATA_NV=y
+# CONFIG_SATA_NV is not set
# CONFIG_PDC_ADMA is not set
# CONFIG_SATA_QSTOR is not set
# CONFIG_SATA_PROMISE is not set
# CONFIG_SATA_SX4 is not set
-CONFIG_SATA_SIL=y
-# CONFIG_SATA_SIL24 is not set
+# CONFIG_SATA_SIL is not set
# CONFIG_SATA_SIS is not set
# CONFIG_SATA_ULI is not set
-CONFIG_SATA_VIA=y
+# CONFIG_SATA_VIA is not set
# CONFIG_SATA_VITESSE is not set
# CONFIG_SATA_INIC162X is not set
+# CONFIG_PATA_ACPI is not set
# CONFIG_PATA_ALI is not set
-# CONFIG_PATA_AMD is not set
+CONFIG_PATA_AMD=y
# CONFIG_PATA_ARTOP is not set
# CONFIG_PATA_ATIIXP is not set
# CONFIG_PATA_CMD640_PCI is not set
@@ -673,6 +839,7 @@ CONFIG_SATA_VIA=y
# CONFIG_PATA_CS5520 is not set
# CONFIG_PATA_CS5530 is not set
# CONFIG_PATA_CS5535 is not set
+# CONFIG_PATA_CS5536 is not set
# CONFIG_PATA_CYPRESS is not set
# CONFIG_PATA_EFAR is not set
# CONFIG_ATA_GENERIC is not set
@@ -686,11 +853,14 @@ CONFIG_SATA_VIA=y
# CONFIG_PATA_TRIFLEX is not set
# CONFIG_PATA_MARVELL is not set
# CONFIG_PATA_MPIIX is not set
-# CONFIG_PATA_OLDPIIX is not set
+CONFIG_PATA_OLDPIIX=y
# CONFIG_PATA_NETCELL is not set
+# CONFIG_PATA_NINJA32 is not set
# CONFIG_PATA_NS87410 is not set
+# CONFIG_PATA_NS87415 is not set
# CONFIG_PATA_OPTI is not set
# CONFIG_PATA_OPTIDMA is not set
+# CONFIG_PATA_PCMCIA is not set
# CONFIG_PATA_PDC_OLD is not set
# CONFIG_PATA_RADISYS is not set
# CONFIG_PATA_RZ1000 is not set
@@ -702,65 +872,42 @@ CONFIG_SATA_VIA=y
# CONFIG_PATA_VIA is not set
# CONFIG_PATA_WINBOND is not set
CONFIG_MD=y
-# CONFIG_BLK_DEV_MD is not set
+CONFIG_BLK_DEV_MD=y
+# CONFIG_MD_LINEAR is not set
+# CONFIG_MD_RAID0 is not set
+# CONFIG_MD_RAID1 is not set
+# CONFIG_MD_RAID10 is not set
+# CONFIG_MD_RAID456 is not set
+# CONFIG_MD_MULTIPATH is not set
+# CONFIG_MD_FAULTY is not set
CONFIG_BLK_DEV_DM=y
# CONFIG_DM_DEBUG is not set
# CONFIG_DM_CRYPT is not set
# CONFIG_DM_SNAPSHOT is not set
-# CONFIG_DM_MIRROR is not set
-# CONFIG_DM_ZERO is not set
+CONFIG_DM_MIRROR=y
+CONFIG_DM_ZERO=y
# CONFIG_DM_MULTIPATH is not set
# CONFIG_DM_DELAY is not set
-
-#
-# Fusion MPT device support
-#
-CONFIG_FUSION=y
-CONFIG_FUSION_SPI=y
-# CONFIG_FUSION_FC is not set
-# CONFIG_FUSION_SAS is not set
-CONFIG_FUSION_MAX_SGE=128
-# CONFIG_FUSION_CTL is not set
+# CONFIG_DM_UEVENT is not set
+# CONFIG_FUSION is not set
#
# IEEE 1394 (FireWire) support
#
# CONFIG_FIREWIRE is not set
-CONFIG_IEEE1394=y
-
-#
-# Subsystem Options
-#
-# CONFIG_IEEE1394_VERBOSEDEBUG is not set
-
-#
-# Controllers
-#
-
-#
-# Texas Instruments PCILynx requires I2C
-#
-CONFIG_IEEE1394_OHCI1394=y
-
-#
-# Protocols
-#
-# CONFIG_IEEE1394_VIDEO1394 is not set
-# CONFIG_IEEE1394_SBP2 is not set
-# CONFIG_IEEE1394_ETH1394_ROM_ENTRY is not set
-# CONFIG_IEEE1394_ETH1394 is not set
-# CONFIG_IEEE1394_DV1394 is not set
-CONFIG_IEEE1394_RAWIO=y
+# CONFIG_IEEE1394 is not set
# CONFIG_I2O is not set
CONFIG_MACINTOSH_DRIVERS=y
-# CONFIG_MAC_EMUMOUSEBTN is not set
+CONFIG_MAC_EMUMOUSEBTN=y
CONFIG_NETDEVICES=y
-CONFIG_NETDEVICES_MULTIQUEUE=y
+# CONFIG_NETDEVICES_MULTIQUEUE is not set
+# CONFIG_IFB is not set
# CONFIG_DUMMY is not set
# CONFIG_BONDING is not set
# CONFIG_MACVLAN is not set
# CONFIG_EQUALIZER is not set
# CONFIG_TUN is not set
+# CONFIG_VETH is not set
# CONFIG_NET_SB1000 is not set
# CONFIG_ARCNET is not set
# CONFIG_PHYLIB is not set
@@ -770,38 +917,40 @@ CONFIG_MII=y
# CONFIG_SUNGEM is not set
# CONFIG_CASSINI is not set
CONFIG_NET_VENDOR_3COM=y
-CONFIG_VORTEX=y
+# CONFIG_VORTEX is not set
# CONFIG_TYPHOON is not set
CONFIG_NET_TULIP=y
# CONFIG_DE2104X is not set
-CONFIG_TULIP=y
-# CONFIG_TULIP_MWI is not set
-# CONFIG_TULIP_MMIO is not set
-# CONFIG_TULIP_NAPI is not set
+# CONFIG_TULIP is not set
# CONFIG_DE4X5 is not set
# CONFIG_WINBOND_840 is not set
# CONFIG_DM9102 is not set
# CONFIG_ULI526X is not set
+# CONFIG_PCMCIA_XIRCOM is not set
# CONFIG_HP100 is not set
+# CONFIG_IBM_NEW_EMAC_ZMII is not set
+# CONFIG_IBM_NEW_EMAC_RGMII is not set
+# CONFIG_IBM_NEW_EMAC_TAH is not set
+# CONFIG_IBM_NEW_EMAC_EMAC4 is not set
CONFIG_NET_PCI=y
# CONFIG_PCNET32 is not set
# CONFIG_AMD8111_ETH is not set
# CONFIG_ADAPTEC_STARFIRE is not set
-CONFIG_B44=y
+# CONFIG_B44 is not set
CONFIG_FORCEDETH=y
# CONFIG_FORCEDETH_NAPI is not set
-# CONFIG_DGRS is not set
# CONFIG_EEPRO100 is not set
CONFIG_E100=y
# CONFIG_FEALNX is not set
# CONFIG_NATSEMI is not set
# CONFIG_NE2K_PCI is not set
-CONFIG_8139CP=y
+# CONFIG_8139CP is not set
CONFIG_8139TOO=y
-# CONFIG_8139TOO_PIO is not set
+CONFIG_8139TOO_PIO=y
# CONFIG_8139TOO_TUNE_TWISTER is not set
# CONFIG_8139TOO_8129 is not set
# CONFIG_8139_OLD_RX_RESET is not set
+# CONFIG_R6040 is not set
# CONFIG_SIS900 is not set
# CONFIG_EPIC100 is not set
# CONFIG_SUNDANCE is not set
@@ -814,34 +963,75 @@ CONFIG_NETDEV_1000=y
CONFIG_E1000=y
# CONFIG_E1000_NAPI is not set
# CONFIG_E1000_DISABLE_PACKET_SPLIT is not set
+# CONFIG_E1000E is not set
+# CONFIG_E1000E_ENABLED is not set
+# CONFIG_IP1000 is not set
+# CONFIG_IGB is not set
# CONFIG_NS83820 is not set
# CONFIG_HAMACHI is not set
# CONFIG_YELLOWFIN is not set
-CONFIG_R8169=y
-# CONFIG_R8169_NAPI is not set
+# CONFIG_R8169 is not set
# CONFIG_SIS190 is not set
# CONFIG_SKGE is not set
CONFIG_SKY2=y
+# CONFIG_SKY2_DEBUG is not set
# CONFIG_VIA_VELOCITY is not set
CONFIG_TIGON3=y
-CONFIG_BNX2=y
+# CONFIG_BNX2 is not set
# CONFIG_QLA3XXX is not set
# CONFIG_ATL1 is not set
CONFIG_NETDEV_10000=y
# CONFIG_CHELSIO_T1 is not set
# CONFIG_CHELSIO_T3 is not set
+# CONFIG_IXGBE is not set
# CONFIG_IXGB is not set
# CONFIG_S2IO is not set
# CONFIG_MYRI10GE is not set
# CONFIG_NETXEN_NIC is not set
+# CONFIG_NIU is not set
# CONFIG_MLX4_CORE is not set
-# CONFIG_TR is not set
+# CONFIG_TEHUTI is not set
+# CONFIG_BNX2X is not set
+# CONFIG_SFC is not set
+CONFIG_TR=y
+# CONFIG_IBMOL is not set
+# CONFIG_IBMLS is not set
+# CONFIG_3C359 is not set
+# CONFIG_TMS380TR is not set
#
# Wireless LAN
#
# CONFIG_WLAN_PRE80211 is not set
-# CONFIG_WLAN_80211 is not set
+CONFIG_WLAN_80211=y
+# CONFIG_PCMCIA_RAYCS is not set
+# CONFIG_IPW2100 is not set
+# CONFIG_IPW2200 is not set
+# CONFIG_LIBERTAS is not set
+# CONFIG_AIRO is not set
+# CONFIG_HERMES is not set
+# CONFIG_ATMEL is not set
+# CONFIG_AIRO_CS is not set
+# CONFIG_PCMCIA_WL3501 is not set
+# CONFIG_PRISM54 is not set
+# CONFIG_USB_ZD1201 is not set
+# CONFIG_USB_NET_RNDIS_WLAN is not set
+# CONFIG_RTL8180 is not set
+# CONFIG_RTL8187 is not set
+# CONFIG_ADM8211 is not set
+# CONFIG_P54_COMMON is not set
+CONFIG_ATH5K=y
+# CONFIG_ATH5K_DEBUG is not set
+# CONFIG_IWLWIFI is not set
+# CONFIG_IWLCORE is not set
+# CONFIG_IWLWIFI_LEDS is not set
+# CONFIG_IWL4965 is not set
+# CONFIG_IWL3945 is not set
+# CONFIG_HOSTAP is not set
+# CONFIG_B43 is not set
+# CONFIG_B43LEGACY is not set
+# CONFIG_ZD1211RW is not set
+# CONFIG_RT2X00 is not set
#
# USB Network Adapters
@@ -850,16 +1040,27 @@ CONFIG_NETDEV_10000=y
# CONFIG_USB_KAWETH is not set
# CONFIG_USB_PEGASUS is not set
# CONFIG_USB_RTL8150 is not set
-# CONFIG_USB_USBNET_MII is not set
# CONFIG_USB_USBNET is not set
+CONFIG_NET_PCMCIA=y
+# CONFIG_PCMCIA_3C589 is not set
+# CONFIG_PCMCIA_3C574 is not set
+# CONFIG_PCMCIA_FMVJ18X is not set
+# CONFIG_PCMCIA_PCNET is not set
+# CONFIG_PCMCIA_NMCLAN is not set
+# CONFIG_PCMCIA_SMC91C92 is not set
+# CONFIG_PCMCIA_XIRC2PS is not set
+# CONFIG_PCMCIA_AXNET is not set
+# CONFIG_PCMCIA_IBMTR is not set
# CONFIG_WAN is not set
-# CONFIG_FDDI is not set
+CONFIG_FDDI=y
+# CONFIG_DEFXX is not set
+# CONFIG_SKFP is not set
# CONFIG_HIPPI is not set
# CONFIG_PPP is not set
# CONFIG_SLIP is not set
# CONFIG_NET_FC is not set
-# CONFIG_SHAPER is not set
CONFIG_NETCONSOLE=y
+# CONFIG_NETCONSOLE_DYNAMIC is not set
CONFIG_NETPOLL=y
# CONFIG_NETPOLL_TRAP is not set
CONFIG_NET_POLL_CONTROLLER=y
@@ -870,18 +1071,17 @@ CONFIG_NET_POLL_CONTROLLER=y
# Input device support
#
CONFIG_INPUT=y
-# CONFIG_INPUT_FF_MEMLESS is not set
-# CONFIG_INPUT_POLLDEV is not set
+CONFIG_INPUT_FF_MEMLESS=y
+CONFIG_INPUT_POLLDEV=y
#
# Userland interfaces
#
CONFIG_INPUT_MOUSEDEV=y
-CONFIG_INPUT_MOUSEDEV_PSAUX=y
+# CONFIG_INPUT_MOUSEDEV_PSAUX is not set
CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
# CONFIG_INPUT_JOYDEV is not set
-# CONFIG_INPUT_TSDEV is not set
CONFIG_INPUT_EVDEV=y
# CONFIG_INPUT_EVBUG is not set
@@ -906,17 +1106,63 @@ CONFIG_MOUSE_PS2_TRACKPOINT=y
# CONFIG_MOUSE_SERIAL is not set
# CONFIG_MOUSE_APPLETOUCH is not set
# CONFIG_MOUSE_VSXXXAA is not set
-# CONFIG_INPUT_JOYSTICK is not set
-# CONFIG_INPUT_TABLET is not set
-# CONFIG_INPUT_TOUCHSCREEN is not set
-# CONFIG_INPUT_MISC is not set
+CONFIG_INPUT_JOYSTICK=y
+# CONFIG_JOYSTICK_ANALOG is not set
+# CONFIG_JOYSTICK_A3D is not set
+# CONFIG_JOYSTICK_ADI is not set
+# CONFIG_JOYSTICK_COBRA is not set
+# CONFIG_JOYSTICK_GF2K is not set
+# CONFIG_JOYSTICK_GRIP is not set
+# CONFIG_JOYSTICK_GRIP_MP is not set
+# CONFIG_JOYSTICK_GUILLEMOT is not set
+# CONFIG_JOYSTICK_INTERACT is not set
+# CONFIG_JOYSTICK_SIDEWINDER is not set
+# CONFIG_JOYSTICK_TMDC is not set
+# CONFIG_JOYSTICK_IFORCE is not set
+# CONFIG_JOYSTICK_WARRIOR is not set
+# CONFIG_JOYSTICK_MAGELLAN is not set
+# CONFIG_JOYSTICK_SPACEORB is not set
+# CONFIG_JOYSTICK_SPACEBALL is not set
+# CONFIG_JOYSTICK_STINGER is not set
+# CONFIG_JOYSTICK_TWIDJOY is not set
+# CONFIG_JOYSTICK_ZHENHUA is not set
+# CONFIG_JOYSTICK_JOYDUMP is not set
+# CONFIG_JOYSTICK_XPAD is not set
+CONFIG_INPUT_TABLET=y
+# CONFIG_TABLET_USB_ACECAD is not set
+# CONFIG_TABLET_USB_AIPTEK is not set
+# CONFIG_TABLET_USB_GTCO is not set
+# CONFIG_TABLET_USB_KBTAB is not set
+# CONFIG_TABLET_USB_WACOM is not set
+CONFIG_INPUT_TOUCHSCREEN=y
+# CONFIG_TOUCHSCREEN_FUJITSU is not set
+# CONFIG_TOUCHSCREEN_GUNZE is not set
+# CONFIG_TOUCHSCREEN_ELO is not set
+# CONFIG_TOUCHSCREEN_MTOUCH is not set
+# CONFIG_TOUCHSCREEN_MK712 is not set
+# CONFIG_TOUCHSCREEN_PENMOUNT is not set
+# CONFIG_TOUCHSCREEN_TOUCHRIGHT is not set
+# CONFIG_TOUCHSCREEN_TOUCHWIN is not set
+# CONFIG_TOUCHSCREEN_UCB1400 is not set
+# CONFIG_TOUCHSCREEN_USB_COMPOSITE is not set
+CONFIG_INPUT_MISC=y
+# CONFIG_INPUT_PCSPKR is not set
+# CONFIG_INPUT_APANEL is not set
+# CONFIG_INPUT_WISTRON_BTNS is not set
+# CONFIG_INPUT_ATLAS_BTNS is not set
+# CONFIG_INPUT_ATI_REMOTE is not set
+# CONFIG_INPUT_ATI_REMOTE2 is not set
+# CONFIG_INPUT_KEYSPAN_REMOTE is not set
+# CONFIG_INPUT_POWERMATE is not set
+# CONFIG_INPUT_YEALINK is not set
+# CONFIG_INPUT_UINPUT is not set
#
# Hardware I/O ports
#
CONFIG_SERIO=y
CONFIG_SERIO_I8042=y
-# CONFIG_SERIO_SERPORT is not set
+CONFIG_SERIO_SERPORT=y
# CONFIG_SERIO_CT82C710 is not set
# CONFIG_SERIO_PCIPS2 is not set
CONFIG_SERIO_LIBPS2=y
@@ -929,8 +1175,26 @@ CONFIG_SERIO_LIBPS2=y
CONFIG_VT=y
CONFIG_VT_CONSOLE=y
CONFIG_HW_CONSOLE=y
-# CONFIG_VT_HW_CONSOLE_BINDING is not set
-# CONFIG_SERIAL_NONSTANDARD is not set
+CONFIG_VT_HW_CONSOLE_BINDING=y
+CONFIG_DEVKMEM=y
+CONFIG_SERIAL_NONSTANDARD=y
+# CONFIG_COMPUTONE is not set
+# CONFIG_ROCKETPORT is not set
+# CONFIG_CYCLADES is not set
+# CONFIG_DIGIEPCA is not set
+# CONFIG_MOXA_INTELLIO is not set
+# CONFIG_MOXA_SMARTIO is not set
+# CONFIG_ISI is not set
+# CONFIG_SYNCLINK is not set
+# CONFIG_SYNCLINKMP is not set
+# CONFIG_SYNCLINK_GT is not set
+# CONFIG_N_HDLC is not set
+# CONFIG_RISCOM8 is not set
+# CONFIG_SPECIALIX is not set
+# CONFIG_SX is not set
+# CONFIG_RIO is not set
+# CONFIG_STALDRV is not set
+# CONFIG_NOZOMI is not set
#
# Serial drivers
@@ -940,9 +1204,14 @@ CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_FIX_EARLYCON_MEM=y
CONFIG_SERIAL_8250_PCI=y
CONFIG_SERIAL_8250_PNP=y
-CONFIG_SERIAL_8250_NR_UARTS=4
+# CONFIG_SERIAL_8250_CS is not set
+CONFIG_SERIAL_8250_NR_UARTS=32
CONFIG_SERIAL_8250_RUNTIME_UARTS=4
-# CONFIG_SERIAL_8250_EXTENDED is not set
+CONFIG_SERIAL_8250_EXTENDED=y
+CONFIG_SERIAL_8250_MANY_PORTS=y
+CONFIG_SERIAL_8250_SHARE_IRQ=y
+CONFIG_SERIAL_8250_DETECT_IRQ=y
+CONFIG_SERIAL_8250_RSA=y
#
# Non-8250 serial port support
@@ -951,89 +1220,275 @@ CONFIG_SERIAL_CORE=y
CONFIG_SERIAL_CORE_CONSOLE=y
# CONFIG_SERIAL_JSM is not set
CONFIG_UNIX98_PTYS=y
-CONFIG_LEGACY_PTYS=y
-CONFIG_LEGACY_PTY_COUNT=256
+# CONFIG_LEGACY_PTYS is not set
# CONFIG_IPMI_HANDLER is not set
-# CONFIG_WATCHDOG is not set
CONFIG_HW_RANDOM=y
-CONFIG_HW_RANDOM_INTEL=y
-CONFIG_HW_RANDOM_AMD=y
+# CONFIG_HW_RANDOM_INTEL is not set
+# CONFIG_HW_RANDOM_AMD is not set
CONFIG_HW_RANDOM_GEODE=y
CONFIG_HW_RANDOM_VIA=y
-# CONFIG_NVRAM is not set
-CONFIG_RTC=y
+CONFIG_NVRAM=y
# CONFIG_R3964 is not set
# CONFIG_APPLICOM is not set
# CONFIG_SONYPI is not set
-CONFIG_AGP=y
-# CONFIG_AGP_ALI is not set
-# CONFIG_AGP_ATI is not set
-# CONFIG_AGP_AMD is not set
-CONFIG_AGP_AMD64=y
-CONFIG_AGP_INTEL=y
-# CONFIG_AGP_NVIDIA is not set
-# CONFIG_AGP_SIS is not set
-# CONFIG_AGP_SWORKS is not set
-# CONFIG_AGP_VIA is not set
-# CONFIG_AGP_EFFICEON is not set
-# CONFIG_DRM is not set
+
+#
+# PCMCIA character devices
+#
+# CONFIG_SYNCLINK_CS is not set
+# CONFIG_CARDMAN_4000 is not set
+# CONFIG_CARDMAN_4040 is not set
+# CONFIG_IPWIRELESS is not set
# CONFIG_MWAVE is not set
# CONFIG_PC8736x_GPIO is not set
# CONFIG_NSC_GPIO is not set
# CONFIG_CS5535_GPIO is not set
-CONFIG_RAW_DRIVER=y
-CONFIG_MAX_RAW_DEVS=256
+# CONFIG_RAW_DRIVER is not set
CONFIG_HPET=y
# CONFIG_HPET_RTC_IRQ is not set
-CONFIG_HPET_MMAP=y
+# CONFIG_HPET_MMAP is not set
# CONFIG_HANGCHECK_TIMER is not set
# CONFIG_TCG_TPM is not set
# CONFIG_TELCLOCK is not set
CONFIG_DEVPORT=y
-# CONFIG_I2C is not set
-
-#
-# SPI support
-#
+CONFIG_I2C=y
+CONFIG_I2C_BOARDINFO=y
+# CONFIG_I2C_CHARDEV is not set
+
+#
+# I2C Hardware Bus support
+#
+# CONFIG_I2C_ALI1535 is not set
+# CONFIG_I2C_ALI1563 is not set
+# CONFIG_I2C_ALI15X3 is not set
+# CONFIG_I2C_AMD756 is not set
+# CONFIG_I2C_AMD8111 is not set
+CONFIG_I2C_I801=y
+# CONFIG_I2C_I810 is not set
+# CONFIG_I2C_PIIX4 is not set
+# CONFIG_I2C_NFORCE2 is not set
+# CONFIG_I2C_OCORES is not set
+# CONFIG_I2C_PARPORT_LIGHT is not set
+# CONFIG_I2C_PROSAVAGE is not set
+# CONFIG_I2C_SAVAGE4 is not set
+# CONFIG_I2C_SIMTEC is not set
+# CONFIG_SCx200_ACB is not set
+# CONFIG_I2C_SIS5595 is not set
+# CONFIG_I2C_SIS630 is not set
+# CONFIG_I2C_SIS96X is not set
+# CONFIG_I2C_TAOS_EVM is not set
+# CONFIG_I2C_STUB is not set
+# CONFIG_I2C_TINY_USB is not set
+# CONFIG_I2C_VIA is not set
+# CONFIG_I2C_VIAPRO is not set
+# CONFIG_I2C_VOODOO3 is not set
+# CONFIG_I2C_PCA_PLATFORM is not set
+
+#
+# Miscellaneous I2C Chip support
+#
+# CONFIG_DS1682 is not set
+# CONFIG_SENSORS_EEPROM is not set
+# CONFIG_SENSORS_PCF8574 is not set
+# CONFIG_PCF8575 is not set
+# CONFIG_SENSORS_PCF8591 is not set
+# CONFIG_SENSORS_MAX6875 is not set
+# CONFIG_SENSORS_TSL2550 is not set
+# CONFIG_I2C_DEBUG_CORE is not set
+# CONFIG_I2C_DEBUG_ALGO is not set
+# CONFIG_I2C_DEBUG_BUS is not set
+# CONFIG_I2C_DEBUG_CHIP is not set
# CONFIG_SPI is not set
-# CONFIG_SPI_MASTER is not set
# CONFIG_W1 is not set
-# CONFIG_POWER_SUPPLY is not set
+CONFIG_POWER_SUPPLY=y
+# CONFIG_POWER_SUPPLY_DEBUG is not set
+# CONFIG_PDA_POWER is not set
+# CONFIG_BATTERY_DS2760 is not set
# CONFIG_HWMON is not set
+CONFIG_THERMAL=y
+CONFIG_WATCHDOG=y
+# CONFIG_WATCHDOG_NOWAYOUT is not set
+
+#
+# Watchdog Device Drivers
+#
+# CONFIG_SOFT_WATCHDOG is not set
+# CONFIG_ACQUIRE_WDT is not set
+# CONFIG_ADVANTECH_WDT is not set
+# CONFIG_ALIM1535_WDT is not set
+# CONFIG_ALIM7101_WDT is not set
+# CONFIG_SC520_WDT is not set
+# CONFIG_EUROTECH_WDT is not set
+# CONFIG_IB700_WDT is not set
+# CONFIG_IBMASR is not set
+# CONFIG_WAFER_WDT is not set
+# CONFIG_I6300ESB_WDT is not set
+# CONFIG_ITCO_WDT is not set
+# CONFIG_IT8712F_WDT is not set
+# CONFIG_HP_WATCHDOG is not set
+# CONFIG_SC1200_WDT is not set
+# CONFIG_PC87413_WDT is not set
+# CONFIG_60XX_WDT is not set
+# CONFIG_SBC8360_WDT is not set
+# CONFIG_SBC7240_WDT is not set
+# CONFIG_CPU5_WDT is not set
+# CONFIG_SMSC37B787_WDT is not set
+# CONFIG_W83627HF_WDT is not set
+# CONFIG_W83697HF_WDT is not set
+# CONFIG_W83877F_WDT is not set
+# CONFIG_W83977F_WDT is not set
+# CONFIG_MACHZ_WDT is not set
+# CONFIG_SBC_EPX_C3_WATCHDOG is not set
+
+#
+# PCI-based Watchdog Cards
+#
+# CONFIG_PCIPCWATCHDOG is not set
+# CONFIG_WDTPCI is not set
+
+#
+# USB-based Watchdog Cards
+#
+# CONFIG_USBPCWATCHDOG is not set
+
+#
+# Sonics Silicon Backplane
+#
+CONFIG_SSB_POSSIBLE=y
+# CONFIG_SSB is not set
#
# Multifunction device drivers
#
# CONFIG_MFD_SM501 is not set
+# CONFIG_HTC_PASIC3 is not set
#
# Multimedia devices
#
+
+#
+# Multimedia core support
+#
# CONFIG_VIDEO_DEV is not set
# CONFIG_DVB_CORE is not set
+
+#
+# Multimedia drivers
+#
CONFIG_DAB=y
# CONFIG_USB_DABUSB is not set
#
# Graphics support
#
-# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+CONFIG_AGP=y
+# CONFIG_AGP_ALI is not set
+# CONFIG_AGP_ATI is not set
+# CONFIG_AGP_AMD is not set
+CONFIG_AGP_AMD64=y
+CONFIG_AGP_INTEL=y
+# CONFIG_AGP_NVIDIA is not set
+# CONFIG_AGP_SIS is not set
+# CONFIG_AGP_SWORKS is not set
+# CONFIG_AGP_VIA is not set
+# CONFIG_AGP_EFFICEON is not set
+CONFIG_DRM=y
+# CONFIG_DRM_TDFX is not set
+# CONFIG_DRM_R128 is not set
+# CONFIG_DRM_RADEON is not set
+# CONFIG_DRM_I810 is not set
+# CONFIG_DRM_I830 is not set
+CONFIG_DRM_I915=y
+# CONFIG_DRM_MGA is not set
+# CONFIG_DRM_SIS is not set
+# CONFIG_DRM_VIA is not set
+# CONFIG_DRM_SAVAGE is not set
+# CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
+CONFIG_FB=y
+# CONFIG_FIRMWARE_EDID is not set
+# CONFIG_FB_DDC is not set
+CONFIG_FB_CFB_FILLRECT=y
+CONFIG_FB_CFB_COPYAREA=y
+CONFIG_FB_CFB_IMAGEBLIT=y
+# CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set
+# CONFIG_FB_SYS_FILLRECT is not set
+# CONFIG_FB_SYS_COPYAREA is not set
+# CONFIG_FB_SYS_IMAGEBLIT is not set
+# CONFIG_FB_FOREIGN_ENDIAN is not set
+# CONFIG_FB_SYS_FOPS is not set
+CONFIG_FB_DEFERRED_IO=y
+# CONFIG_FB_SVGALIB is not set
+# CONFIG_FB_MACMODES is not set
+# CONFIG_FB_BACKLIGHT is not set
+CONFIG_FB_MODE_HELPERS=y
+CONFIG_FB_TILEBLITTING=y
+
+#
+# Frame buffer hardware drivers
+#
+# CONFIG_FB_CIRRUS is not set
+# CONFIG_FB_PM2 is not set
+# CONFIG_FB_CYBER2000 is not set
+# CONFIG_FB_ARC is not set
+# CONFIG_FB_ASILIANT is not set
+# CONFIG_FB_IMSTT is not set
+# CONFIG_FB_VGA16 is not set
+# CONFIG_FB_UVESA is not set
+# CONFIG_FB_VESA is not set
+CONFIG_FB_EFI=y
+# CONFIG_FB_IMAC is not set
+# CONFIG_FB_N411 is not set
+# CONFIG_FB_HGA is not set
+# CONFIG_FB_S1D13XXX is not set
+# CONFIG_FB_NVIDIA is not set
+# CONFIG_FB_RIVA is not set
+# CONFIG_FB_I810 is not set
+# CONFIG_FB_LE80578 is not set
+# CONFIG_FB_INTEL is not set
+# CONFIG_FB_MATROX is not set
+# CONFIG_FB_RADEON is not set
+# CONFIG_FB_ATY128 is not set
+# CONFIG_FB_ATY is not set
+# CONFIG_FB_S3 is not set
+# CONFIG_FB_SAVAGE is not set
+# CONFIG_FB_SIS is not set
+# CONFIG_FB_NEOMAGIC is not set
+# CONFIG_FB_KYRO is not set
+# CONFIG_FB_3DFX is not set
+# CONFIG_FB_VOODOO1 is not set
+# CONFIG_FB_VT8623 is not set
+# CONFIG_FB_CYBLA is not set
+# CONFIG_FB_TRIDENT is not set
+# CONFIG_FB_ARK is not set
+# CONFIG_FB_PM3 is not set
+# CONFIG_FB_GEODE is not set
+# CONFIG_FB_VIRTUAL is not set
+CONFIG_BACKLIGHT_LCD_SUPPORT=y
+# CONFIG_LCD_CLASS_DEVICE is not set
+CONFIG_BACKLIGHT_CLASS_DEVICE=y
+# CONFIG_BACKLIGHT_CORGI is not set
+# CONFIG_BACKLIGHT_PROGEAR is not set
#
# Display device support
#
# CONFIG_DISPLAY_SUPPORT is not set
-# CONFIG_VGASTATE is not set
-# CONFIG_FB is not set
#
# Console display driver support
#
CONFIG_VGA_CONSOLE=y
CONFIG_VGACON_SOFT_SCROLLBACK=y
-CONFIG_VGACON_SOFT_SCROLLBACK_SIZE=128
+CONFIG_VGACON_SOFT_SCROLLBACK_SIZE=64
CONFIG_VIDEO_SELECT=y
CONFIG_DUMMY_CONSOLE=y
+# CONFIG_FRAMEBUFFER_CONSOLE is not set
+CONFIG_LOGO=y
+# CONFIG_LOGO_LINUX_MONO is not set
+# CONFIG_LOGO_LINUX_VGA16 is not set
+CONFIG_LOGO_LINUX_CLUT224=y
#
# Sound
@@ -1043,33 +1498,167 @@ CONFIG_SOUND=y
#
# Advanced Linux Sound Architecture
#
-# CONFIG_SND is not set
+CONFIG_SND=y
+CONFIG_SND_TIMER=y
+CONFIG_SND_PCM=y
+CONFIG_SND_HWDEP=y
+CONFIG_SND_SEQUENCER=y
+CONFIG_SND_SEQ_DUMMY=y
+CONFIG_SND_OSSEMUL=y
+CONFIG_SND_MIXER_OSS=y
+CONFIG_SND_PCM_OSS=y
+CONFIG_SND_PCM_OSS_PLUGINS=y
+CONFIG_SND_SEQUENCER_OSS=y
+CONFIG_SND_DYNAMIC_MINORS=y
+CONFIG_SND_SUPPORT_OLD_API=y
+CONFIG_SND_VERBOSE_PROCFS=y
+# CONFIG_SND_VERBOSE_PRINTK is not set
+# CONFIG_SND_DEBUG is not set
+CONFIG_SND_VMASTER=y
+
+#
+# Generic devices
+#
+# CONFIG_SND_PCSP is not set
+# CONFIG_SND_DUMMY is not set
+# CONFIG_SND_VIRMIDI is not set
+# CONFIG_SND_MTPAV is not set
+# CONFIG_SND_SERIAL_U16550 is not set
+# CONFIG_SND_MPU401 is not set
+
+#
+# PCI devices
+#
+# CONFIG_SND_AD1889 is not set
+# CONFIG_SND_ALS300 is not set
+# CONFIG_SND_ALS4000 is not set
+# CONFIG_SND_ALI5451 is not set
+# CONFIG_SND_ATIIXP is not set
+# CONFIG_SND_ATIIXP_MODEM is not set
+# CONFIG_SND_AU8810 is not set
+# CONFIG_SND_AU8820 is not set
+# CONFIG_SND_AU8830 is not set
+# CONFIG_SND_AW2 is not set
+# CONFIG_SND_AZT3328 is not set
+# CONFIG_SND_BT87X is not set
+# CONFIG_SND_CA0106 is not set
+# CONFIG_SND_CMIPCI is not set
+# CONFIG_SND_OXYGEN is not set
+# CONFIG_SND_CS4281 is not set
+# CONFIG_SND_CS46XX is not set
+# CONFIG_SND_CS5530 is not set
+# CONFIG_SND_CS5535AUDIO is not set
+# CONFIG_SND_DARLA20 is not set
+# CONFIG_SND_GINA20 is not set
+# CONFIG_SND_LAYLA20 is not set
+# CONFIG_SND_DARLA24 is not set
+# CONFIG_SND_GINA24 is not set
+# CONFIG_SND_LAYLA24 is not set
+# CONFIG_SND_MONA is not set
+# CONFIG_SND_MIA is not set
+# CONFIG_SND_ECHO3G is not set
+# CONFIG_SND_INDIGO is not set
+# CONFIG_SND_INDIGOIO is not set
+# CONFIG_SND_INDIGODJ is not set
+# CONFIG_SND_EMU10K1 is not set
+# CONFIG_SND_EMU10K1X is not set
+# CONFIG_SND_ENS1370 is not set
+# CONFIG_SND_ENS1371 is not set
+# CONFIG_SND_ES1938 is not set
+# CONFIG_SND_ES1968 is not set
+# CONFIG_SND_FM801 is not set
+CONFIG_SND_HDA_INTEL=y
+CONFIG_SND_HDA_HWDEP=y
+CONFIG_SND_HDA_CODEC_REALTEK=y
+CONFIG_SND_HDA_CODEC_ANALOG=y
+CONFIG_SND_HDA_CODEC_SIGMATEL=y
+CONFIG_SND_HDA_CODEC_VIA=y
+CONFIG_SND_HDA_CODEC_ATIHDMI=y
+CONFIG_SND_HDA_CODEC_CONEXANT=y
+CONFIG_SND_HDA_CODEC_CMEDIA=y
+CONFIG_SND_HDA_CODEC_SI3054=y
+CONFIG_SND_HDA_GENERIC=y
+# CONFIG_SND_HDA_POWER_SAVE is not set
+# CONFIG_SND_HDSP is not set
+# CONFIG_SND_HDSPM is not set
+# CONFIG_SND_HIFIER is not set
+# CONFIG_SND_ICE1712 is not set
+# CONFIG_SND_ICE1724 is not set
+# CONFIG_SND_INTEL8X0 is not set
+# CONFIG_SND_INTEL8X0M is not set
+# CONFIG_SND_KORG1212 is not set
+# CONFIG_SND_MAESTRO3 is not set
+# CONFIG_SND_MIXART is not set
+# CONFIG_SND_NM256 is not set
+# CONFIG_SND_PCXHR is not set
+# CONFIG_SND_RIPTIDE is not set
+# CONFIG_SND_RME32 is not set
+# CONFIG_SND_RME96 is not set
+# CONFIG_SND_RME9652 is not set
+# CONFIG_SND_SIS7019 is not set
+# CONFIG_SND_SONICVIBES is not set
+# CONFIG_SND_TRIDENT is not set
+# CONFIG_SND_VIA82XX is not set
+# CONFIG_SND_VIA82XX_MODEM is not set
+# CONFIG_SND_VIRTUOSO is not set
+# CONFIG_SND_VX222 is not set
+# CONFIG_SND_YMFPCI is not set
+
+#
+# USB devices
+#
+# CONFIG_SND_USB_AUDIO is not set
+# CONFIG_SND_USB_USX2Y is not set
+# CONFIG_SND_USB_CAIAQ is not set
+
+#
+# PCMCIA devices
+#
+# CONFIG_SND_VXPOCKET is not set
+# CONFIG_SND_PDAUDIOCF is not set
+
+#
+# System on Chip audio support
+#
+# CONFIG_SND_SOC is not set
+
+#
+# ALSA SoC audio for Freescale SOCs
+#
+
+#
+# SoC Audio for the Texas Instruments OMAP
+#
#
# Open Sound System
#
-CONFIG_SOUND_PRIME=y
-# CONFIG_SOUND_TRIDENT is not set
-# CONFIG_SOUND_MSNDCLAS is not set
-# CONFIG_SOUND_MSNDPIN is not set
-# CONFIG_SOUND_OSS is not set
+# CONFIG_SOUND_PRIME is not set
CONFIG_HID_SUPPORT=y
CONFIG_HID=y
-# CONFIG_HID_DEBUG is not set
+CONFIG_HID_DEBUG=y
+CONFIG_HIDRAW=y
#
# USB Input Devices
#
CONFIG_USB_HID=y
-# CONFIG_USB_HIDINPUT_POWERBOOK is not set
-# CONFIG_HID_FF is not set
-# CONFIG_USB_HIDDEV is not set
+CONFIG_USB_HIDINPUT_POWERBOOK=y
+CONFIG_HID_FF=y
+CONFIG_HID_PID=y
+CONFIG_LOGITECH_FF=y
+# CONFIG_LOGIRUMBLEPAD2_FF is not set
+CONFIG_PANTHERLORD_FF=y
+CONFIG_THRUSTMASTER_FF=y
+CONFIG_ZEROPLUS_FF=y
+CONFIG_USB_HIDDEV=y
CONFIG_USB_SUPPORT=y
CONFIG_USB_ARCH_HAS_HCD=y
CONFIG_USB_ARCH_HAS_OHCI=y
CONFIG_USB_ARCH_HAS_EHCI=y
CONFIG_USB=y
-# CONFIG_USB_DEBUG is not set
+CONFIG_USB_DEBUG=y
+CONFIG_USB_ANNOUNCE_NEW_DEVICES=y
#
# Miscellaneous USB options
@@ -1077,18 +1666,18 @@ CONFIG_USB=y
CONFIG_USB_DEVICEFS=y
# CONFIG_USB_DEVICE_CLASS is not set
# CONFIG_USB_DYNAMIC_MINORS is not set
-# CONFIG_USB_SUSPEND is not set
-# CONFIG_USB_PERSIST is not set
+CONFIG_USB_SUSPEND=y
# CONFIG_USB_OTG is not set
#
# USB Host Controller Drivers
#
+# CONFIG_USB_C67X00_HCD is not set
CONFIG_USB_EHCI_HCD=y
-# CONFIG_USB_EHCI_SPLIT_ISO is not set
# CONFIG_USB_EHCI_ROOT_HUB_TT is not set
# CONFIG_USB_EHCI_TT_NEWSCHED is not set
# CONFIG_USB_ISP116X_HCD is not set
+# CONFIG_USB_ISP1760_HCD is not set
CONFIG_USB_OHCI_HCD=y
# CONFIG_USB_OHCI_BIG_ENDIAN_DESC is not set
# CONFIG_USB_OHCI_BIG_ENDIAN_MMIO is not set
@@ -1121,8 +1710,10 @@ CONFIG_USB_STORAGE=y
# CONFIG_USB_STORAGE_SDDR55 is not set
# CONFIG_USB_STORAGE_JUMPSHOT is not set
# CONFIG_USB_STORAGE_ALAUDA is not set
+# CONFIG_USB_STORAGE_ONETOUCH is not set
# CONFIG_USB_STORAGE_KARMA is not set
-# CONFIG_USB_LIBUSUAL is not set
+# CONFIG_USB_STORAGE_CYPRESS_ATACB is not set
+CONFIG_USB_LIBUSUAL=y
#
# USB Imaging devices
@@ -1134,10 +1725,6 @@ CONFIG_USB_MON=y
#
# USB port drivers
#
-
-#
-# USB Serial Converter support
-#
# CONFIG_USB_SERIAL is not set
#
@@ -1163,90 +1750,125 @@ CONFIG_USB_MON=y
# CONFIG_USB_TRANCEVIBRATOR is not set
# CONFIG_USB_IOWARRIOR is not set
# CONFIG_USB_TEST is not set
+# CONFIG_USB_GADGET is not set
+# CONFIG_MMC is not set
+# CONFIG_MEMSTICK is not set
+CONFIG_NEW_LEDS=y
+CONFIG_LEDS_CLASS=y
#
-# USB DSL modem support
+# LED drivers
#
+# CONFIG_LEDS_CLEVO_MAIL is not set
#
-# USB Gadget Support
+# LED Triggers
#
-# CONFIG_USB_GADGET is not set
-# CONFIG_MMC is not set
+CONFIG_LEDS_TRIGGERS=y
+# CONFIG_LEDS_TRIGGER_TIMER is not set
+# CONFIG_LEDS_TRIGGER_HEARTBEAT is not set
+# CONFIG_LEDS_TRIGGER_DEFAULT_ON is not set
+# CONFIG_ACCESSIBILITY is not set
+# CONFIG_INFINIBAND is not set
+CONFIG_EDAC=y
#
-# LED devices
+# Reporting subsystems
#
-# CONFIG_NEW_LEDS is not set
+# CONFIG_EDAC_DEBUG is not set
+# CONFIG_EDAC_MM_EDAC is not set
+CONFIG_RTC_LIB=y
+CONFIG_RTC_CLASS=y
+# CONFIG_RTC_HCTOSYS is not set
+# CONFIG_RTC_DEBUG is not set
#
-# LED drivers
+# RTC interfaces
#
+CONFIG_RTC_INTF_SYSFS=y
+CONFIG_RTC_INTF_PROC=y
+CONFIG_RTC_INTF_DEV=y
+# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set
+# CONFIG_RTC_DRV_TEST is not set
#
-# LED Triggers
+# I2C RTC drivers
#
-# CONFIG_INFINIBAND is not set
-# CONFIG_EDAC is not set
+# CONFIG_RTC_DRV_DS1307 is not set
+# CONFIG_RTC_DRV_DS1374 is not set
+# CONFIG_RTC_DRV_DS1672 is not set
+# CONFIG_RTC_DRV_MAX6900 is not set
+# CONFIG_RTC_DRV_RS5C372 is not set
+# CONFIG_RTC_DRV_ISL1208 is not set
+# CONFIG_RTC_DRV_X1205 is not set
+# CONFIG_RTC_DRV_PCF8563 is not set
+# CONFIG_RTC_DRV_PCF8583 is not set
+# CONFIG_RTC_DRV_M41T80 is not set
+# CONFIG_RTC_DRV_S35390A is not set
#
-# Real Time Clock
+# SPI RTC drivers
#
-# CONFIG_RTC_CLASS is not set
#
-# DMA Engine support
+# Platform RTC drivers
#
-# CONFIG_DMA_ENGINE is not set
+CONFIG_RTC_DRV_CMOS=y
+# CONFIG_RTC_DRV_DS1511 is not set
+# CONFIG_RTC_DRV_DS1553 is not set
+# CONFIG_RTC_DRV_DS1742 is not set
+# CONFIG_RTC_DRV_STK17TA8 is not set
+# CONFIG_RTC_DRV_M48T86 is not set
+# CONFIG_RTC_DRV_M48T59 is not set
+# CONFIG_RTC_DRV_V3020 is not set
#
-# DMA Clients
+# on-CPU RTC drivers
#
+CONFIG_DMADEVICES=y
#
# DMA Devices
#
-CONFIG_VIRTUALIZATION=y
-# CONFIG_KVM is not set
+# CONFIG_INTEL_IOATDMA is not set
+# CONFIG_UIO is not set
#
-# Userspace I/O
+# Firmware Drivers
#
-# CONFIG_UIO is not set
+# CONFIG_EDD is not set
+CONFIG_EFI_VARS=y
+# CONFIG_DELL_RBU is not set
+# CONFIG_DCDBAS is not set
+CONFIG_DMIID=y
+# CONFIG_ISCSI_IBFT_FIND is not set
#
# File systems
#
-CONFIG_EXT2_FS=y
-CONFIG_EXT2_FS_XATTR=y
-CONFIG_EXT2_FS_POSIX_ACL=y
-# CONFIG_EXT2_FS_SECURITY is not set
-# CONFIG_EXT2_FS_XIP is not set
+# CONFIG_EXT2_FS is not set
CONFIG_EXT3_FS=y
CONFIG_EXT3_FS_XATTR=y
CONFIG_EXT3_FS_POSIX_ACL=y
-# CONFIG_EXT3_FS_SECURITY is not set
+CONFIG_EXT3_FS_SECURITY=y
# CONFIG_EXT4DEV_FS is not set
CONFIG_JBD=y
# CONFIG_JBD_DEBUG is not set
CONFIG_FS_MBCACHE=y
-CONFIG_REISERFS_FS=y
-# CONFIG_REISERFS_CHECK is not set
-# CONFIG_REISERFS_PROC_INFO is not set
-CONFIG_REISERFS_FS_XATTR=y
-CONFIG_REISERFS_FS_POSIX_ACL=y
-# CONFIG_REISERFS_FS_SECURITY is not set
+# CONFIG_REISERFS_FS is not set
# CONFIG_JFS_FS is not set
CONFIG_FS_POSIX_ACL=y
# CONFIG_XFS_FS is not set
-# CONFIG_GFS2_FS is not set
# CONFIG_OCFS2_FS is not set
-# CONFIG_MINIX_FS is not set
-# CONFIG_ROMFS_FS is not set
+CONFIG_DNOTIFY=y
CONFIG_INOTIFY=y
CONFIG_INOTIFY_USER=y
-# CONFIG_QUOTA is not set
-CONFIG_DNOTIFY=y
+CONFIG_QUOTA=y
+CONFIG_QUOTA_NETLINK_INTERFACE=y
+# CONFIG_PRINT_QUOTA_WARNING is not set
+# CONFIG_QFMT_V1 is not set
+CONFIG_QFMT_V2=y
+CONFIG_QUOTACTL=y
# CONFIG_AUTOFS_FS is not set
CONFIG_AUTOFS4_FS=y
# CONFIG_FUSE_FS is not set
@@ -1256,8 +1878,8 @@ CONFIG_GENERIC_ACL=y
# CD-ROM/DVD Filesystems
#
CONFIG_ISO9660_FS=y
-# CONFIG_JOLIET is not set
-# CONFIG_ZISOFS is not set
+CONFIG_JOLIET=y
+CONFIG_ZISOFS=y
# CONFIG_UDF_FS is not set
#
@@ -1275,13 +1897,13 @@ CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
#
CONFIG_PROC_FS=y
CONFIG_PROC_KCORE=y
+CONFIG_PROC_VMCORE=y
CONFIG_PROC_SYSCTL=y
CONFIG_SYSFS=y
CONFIG_TMPFS=y
CONFIG_TMPFS_POSIX_ACL=y
CONFIG_HUGETLBFS=y
CONFIG_HUGETLB_PAGE=y
-CONFIG_RAMFS=y
# CONFIG_CONFIGFS_FS is not set
#
@@ -1289,6 +1911,7 @@ CONFIG_RAMFS=y
#
# CONFIG_ADFS_FS is not set
# CONFIG_AFFS_FS is not set
+# CONFIG_ECRYPT_FS is not set
# CONFIG_HFS_FS is not set
# CONFIG_HFSPLUS_FS is not set
# CONFIG_BEFS_FS is not set
@@ -1296,33 +1919,15 @@ CONFIG_RAMFS=y
# CONFIG_EFS_FS is not set
# CONFIG_CRAMFS is not set
# CONFIG_VXFS_FS is not set
+# CONFIG_MINIX_FS is not set
# CONFIG_HPFS_FS is not set
# CONFIG_QNX4FS_FS is not set
+# CONFIG_ROMFS_FS is not set
# CONFIG_SYSV_FS is not set
# CONFIG_UFS_FS is not set
-
-#
-# Network File Systems
-#
-CONFIG_NFS_FS=y
-CONFIG_NFS_V3=y
-# CONFIG_NFS_V3_ACL is not set
-# CONFIG_NFS_V4 is not set
-# CONFIG_NFS_DIRECTIO is not set
-CONFIG_NFSD=y
-CONFIG_NFSD_V3=y
-# CONFIG_NFSD_V3_ACL is not set
-# CONFIG_NFSD_V4 is not set
-CONFIG_NFSD_TCP=y
-CONFIG_ROOT_NFS=y
-CONFIG_LOCKD=y
-CONFIG_LOCKD_V4=y
-CONFIG_EXPORTFS=y
-CONFIG_NFS_COMMON=y
-CONFIG_SUNRPC=y
-# CONFIG_SUNRPC_BIND34 is not set
-# CONFIG_RPCSEC_GSS_KRB5 is not set
-# CONFIG_RPCSEC_GSS_SPKM3 is not set
+CONFIG_NETWORK_FILESYSTEMS=y
+# CONFIG_NFS_FS is not set
+# CONFIG_NFSD is not set
# CONFIG_SMB_FS is not set
# CONFIG_CIFS is not set
# CONFIG_NCP_FS is not set
@@ -1332,14 +1937,26 @@ CONFIG_SUNRPC=y
#
# Partition Types
#
-# CONFIG_PARTITION_ADVANCED is not set
+CONFIG_PARTITION_ADVANCED=y
+# CONFIG_ACORN_PARTITION is not set
+CONFIG_OSF_PARTITION=y
+CONFIG_AMIGA_PARTITION=y
+# CONFIG_ATARI_PARTITION is not set
+CONFIG_MAC_PARTITION=y
CONFIG_MSDOS_PARTITION=y
-
-#
-# Native Language Support
-#
+CONFIG_BSD_DISKLABEL=y
+CONFIG_MINIX_SUBPARTITION=y
+CONFIG_SOLARIS_X86_PARTITION=y
+CONFIG_UNIXWARE_DISKLABEL=y
+# CONFIG_LDM_PARTITION is not set
+CONFIG_SGI_PARTITION=y
+# CONFIG_ULTRIX_PARTITION is not set
+CONFIG_SUN_PARTITION=y
+CONFIG_KARMA_PARTITION=y
+CONFIG_EFI_PARTITION=y
+# CONFIG_SYSV68_PARTITION is not set
CONFIG_NLS=y
-CONFIG_NLS_DEFAULT="iso8859-1"
+CONFIG_NLS_DEFAULT="utf8"
CONFIG_NLS_CODEPAGE_437=y
# CONFIG_NLS_CODEPAGE_737 is not set
# CONFIG_NLS_CODEPAGE_775 is not set
@@ -1374,37 +1991,33 @@ CONFIG_NLS_ISO8859_1=y
# CONFIG_NLS_ISO8859_9 is not set
# CONFIG_NLS_ISO8859_13 is not set
# CONFIG_NLS_ISO8859_14 is not set
-CONFIG_NLS_ISO8859_15=y
+# CONFIG_NLS_ISO8859_15 is not set
# CONFIG_NLS_KOI8_R is not set
# CONFIG_NLS_KOI8_U is not set
CONFIG_NLS_UTF8=y
-
-#
-# Distributed Lock Manager
-#
# CONFIG_DLM is not set
-CONFIG_INSTRUMENTATION=y
-CONFIG_PROFILING=y
-CONFIG_OPROFILE=y
-CONFIG_KPROBES=y
#
# Kernel hacking
#
CONFIG_TRACE_IRQFLAGS_SUPPORT=y
# CONFIG_PRINTK_TIME is not set
+# CONFIG_ENABLE_WARN_DEPRECATED is not set
# CONFIG_ENABLE_MUST_CHECK is not set
+CONFIG_FRAME_WARN=2048
CONFIG_MAGIC_SYSRQ=y
-CONFIG_UNUSED_SYMBOLS=y
-# CONFIG_DEBUG_FS is not set
+# CONFIG_UNUSED_SYMBOLS is not set
+CONFIG_DEBUG_FS=y
# CONFIG_HEADERS_CHECK is not set
CONFIG_DEBUG_KERNEL=y
# CONFIG_DEBUG_SHIRQ is not set
-CONFIG_DETECT_SOFTLOCKUP=y
+# CONFIG_DETECT_SOFTLOCKUP is not set
# CONFIG_SCHED_DEBUG is not set
-# CONFIG_SCHEDSTATS is not set
+CONFIG_SCHEDSTATS=y
CONFIG_TIMER_STATS=y
+# CONFIG_DEBUG_OBJECTS is not set
# CONFIG_SLUB_DEBUG_ON is not set
+# CONFIG_SLUB_STATS is not set
# CONFIG_DEBUG_RT_MUTEXES is not set
# CONFIG_RT_MUTEX_TESTER is not set
# CONFIG_DEBUG_SPINLOCK is not set
@@ -1419,48 +2032,174 @@ CONFIG_TIMER_STATS=y
CONFIG_DEBUG_BUGVERBOSE=y
# CONFIG_DEBUG_INFO is not set
# CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_WRITECOUNT is not set
# CONFIG_DEBUG_LIST is not set
-# CONFIG_FRAME_POINTER is not set
-CONFIG_OPTIMIZE_INLINING=y
+# CONFIG_DEBUG_SG is not set
+CONFIG_FRAME_POINTER=y
+# CONFIG_BOOT_PRINTK_DELAY is not set
# CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_KPROBES_SANITY_TEST is not set
+# CONFIG_BACKTRACE_SELF_TEST is not set
# CONFIG_LKDTM is not set
# CONFIG_FAULT_INJECTION is not set
+# CONFIG_LATENCYTOP is not set
+CONFIG_PROVIDE_OHCI1394_DMA_INIT=y
+# CONFIG_SAMPLES is not set
+# CONFIG_KGDB is not set
+CONFIG_HAVE_ARCH_KGDB=y
+# CONFIG_NONPROMISC_DEVMEM is not set
CONFIG_EARLY_PRINTK=y
CONFIG_DEBUG_STACKOVERFLOW=y
-# CONFIG_DEBUG_STACK_USAGE is not set
-# CONFIG_DEBUG_RODATA is not set
+CONFIG_DEBUG_STACK_USAGE=y
+# CONFIG_DEBUG_PAGEALLOC is not set
+# CONFIG_X86_PTDUMP is not set
+CONFIG_DEBUG_RODATA=y
+# CONFIG_DEBUG_RODATA_TEST is not set
+CONFIG_DEBUG_NX_TEST=m
# CONFIG_4KSTACKS is not set
CONFIG_X86_FIND_SMP_CONFIG=y
CONFIG_X86_MPPARSE=y
CONFIG_DOUBLEFAULT=y
+CONFIG_IO_DELAY_TYPE_0X80=0
+CONFIG_IO_DELAY_TYPE_0XED=1
+CONFIG_IO_DELAY_TYPE_UDELAY=2
+CONFIG_IO_DELAY_TYPE_NONE=3
+CONFIG_IO_DELAY_0X80=y
+# CONFIG_IO_DELAY_0XED is not set
+# CONFIG_IO_DELAY_UDELAY is not set
+# CONFIG_IO_DELAY_NONE is not set
+CONFIG_DEFAULT_IO_DELAY_TYPE=0
+CONFIG_DEBUG_BOOT_PARAMS=y
+# CONFIG_CPA_DEBUG is not set
#
# Security options
#
-# CONFIG_KEYS is not set
-# CONFIG_SECURITY is not set
-# CONFIG_CRYPTO is not set
+CONFIG_KEYS=y
+CONFIG_KEYS_DEBUG_PROC_KEYS=y
+CONFIG_SECURITY=y
+CONFIG_SECURITY_NETWORK=y
+# CONFIG_SECURITY_NETWORK_XFRM is not set
+CONFIG_SECURITY_CAPABILITIES=y
+CONFIG_SECURITY_FILE_CAPABILITIES=y
+# CONFIG_SECURITY_ROOTPLUG is not set
+CONFIG_SECURITY_DEFAULT_MMAP_MIN_ADDR=65536
+CONFIG_SECURITY_SELINUX=y
+CONFIG_SECURITY_SELINUX_BOOTPARAM=y
+CONFIG_SECURITY_SELINUX_BOOTPARAM_VALUE=1
+CONFIG_SECURITY_SELINUX_DISABLE=y
+CONFIG_SECURITY_SELINUX_DEVELOP=y
+CONFIG_SECURITY_SELINUX_AVC_STATS=y
+CONFIG_SECURITY_SELINUX_CHECKREQPROT_VALUE=1
+# CONFIG_SECURITY_SELINUX_ENABLE_SECMARK_DEFAULT is not set
+# CONFIG_SECURITY_SELINUX_POLICYDB_VERSION_MAX is not set
+# CONFIG_SECURITY_SMACK is not set
+CONFIG_CRYPTO=y
+
+#
+# Crypto core or helper
+#
+CONFIG_CRYPTO_ALGAPI=y
+CONFIG_CRYPTO_AEAD=y
+CONFIG_CRYPTO_BLKCIPHER=y
+CONFIG_CRYPTO_HASH=y
+CONFIG_CRYPTO_MANAGER=y
+# CONFIG_CRYPTO_GF128MUL is not set
+# CONFIG_CRYPTO_NULL is not set
+# CONFIG_CRYPTO_CRYPTD is not set
+CONFIG_CRYPTO_AUTHENC=y
+# CONFIG_CRYPTO_TEST is not set
+
+#
+# Authenticated Encryption with Associated Data
+#
+# CONFIG_CRYPTO_CCM is not set
+# CONFIG_CRYPTO_GCM is not set
+# CONFIG_CRYPTO_SEQIV is not set
+
+#
+# Block modes
+#
+CONFIG_CRYPTO_CBC=y
+# CONFIG_CRYPTO_CTR is not set
+# CONFIG_CRYPTO_CTS is not set
+CONFIG_CRYPTO_ECB=y
+# CONFIG_CRYPTO_LRW is not set
+# CONFIG_CRYPTO_PCBC is not set
+# CONFIG_CRYPTO_XTS is not set
+
+#
+# Hash modes
+#
+CONFIG_CRYPTO_HMAC=y
+# CONFIG_CRYPTO_XCBC is not set
+
+#
+# Digest
+#
+# CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_MD4 is not set
+CONFIG_CRYPTO_MD5=y
+# CONFIG_CRYPTO_MICHAEL_MIC is not set
+CONFIG_CRYPTO_SHA1=y
+# CONFIG_CRYPTO_SHA256 is not set
+# CONFIG_CRYPTO_SHA512 is not set
+# CONFIG_CRYPTO_TGR192 is not set
+# CONFIG_CRYPTO_WP512 is not set
+
+#
+# Ciphers
+#
+CONFIG_CRYPTO_AES=y
+# CONFIG_CRYPTO_AES_586 is not set
+# CONFIG_CRYPTO_ANUBIS is not set
+CONFIG_CRYPTO_ARC4=y
+# CONFIG_CRYPTO_BLOWFISH is not set
+# CONFIG_CRYPTO_CAMELLIA is not set
+# CONFIG_CRYPTO_CAST5 is not set
+# CONFIG_CRYPTO_CAST6 is not set
+CONFIG_CRYPTO_DES=y
+# CONFIG_CRYPTO_FCRYPT is not set
+# CONFIG_CRYPTO_KHAZAD is not set
+# CONFIG_CRYPTO_SALSA20 is not set
+# CONFIG_CRYPTO_SALSA20_586 is not set
+# CONFIG_CRYPTO_SEED is not set
+# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_TEA is not set
+# CONFIG_CRYPTO_TWOFISH is not set
+# CONFIG_CRYPTO_TWOFISH_586 is not set
+
+#
+# Compression
+#
+# CONFIG_CRYPTO_DEFLATE is not set
+# CONFIG_CRYPTO_LZO is not set
+CONFIG_CRYPTO_HW=y
+# CONFIG_CRYPTO_DEV_PADLOCK is not set
+# CONFIG_CRYPTO_DEV_GEODE is not set
+# CONFIG_CRYPTO_DEV_HIFN_795X is not set
+CONFIG_HAVE_KVM=y
+CONFIG_VIRTUALIZATION=y
+# CONFIG_KVM is not set
+# CONFIG_LGUEST is not set
+# CONFIG_VIRTIO_PCI is not set
+# CONFIG_VIRTIO_BALLOON is not set
#
# Library routines
#
CONFIG_BITREVERSE=y
+CONFIG_GENERIC_FIND_FIRST_BIT=y
+CONFIG_GENERIC_FIND_NEXT_BIT=y
# CONFIG_CRC_CCITT is not set
# CONFIG_CRC16 is not set
# CONFIG_CRC_ITU_T is not set
CONFIG_CRC32=y
# CONFIG_CRC7 is not set
# CONFIG_LIBCRC32C is not set
+CONFIG_AUDIT_GENERIC=y
CONFIG_ZLIB_INFLATE=y
CONFIG_PLIST=y
CONFIG_HAS_IOMEM=y
CONFIG_HAS_IOPORT=y
CONFIG_HAS_DMA=y
-CONFIG_GENERIC_HARDIRQS=y
-CONFIG_GENERIC_IRQ_PROBE=y
-CONFIG_GENERIC_PENDING_IRQ=y
-CONFIG_X86_SMP=y
-CONFIG_X86_HT=y
-CONFIG_X86_BIOS_REBOOT=y
-CONFIG_X86_TRAMPOLINE=y
-CONFIG_KTIME_SCALAR=y
diff --git a/arch/x86/configs/x86_64_defconfig b/arch/x86/configs/x86_64_defconfig
index 2d6f5b2809d..ae5124e064d 100644
--- a/arch/x86/configs/x86_64_defconfig
+++ b/arch/x86/configs/x86_64_defconfig
@@ -1,64 +1,103 @@
#
# Automatically generated make config: don't edit
-# Linux kernel version: 2.6.22-git14
-# Fri Jul 20 09:53:15 2007
+# Linux kernel version: 2.6.26-rc1
+# Sun May 4 19:59:57 2008
#
-CONFIG_X86_64=y
CONFIG_64BIT=y
+# CONFIG_X86_32 is not set
+CONFIG_X86_64=y
CONFIG_X86=y
+CONFIG_DEFCONFIG_LIST="arch/x86/configs/x86_64_defconfig"
+# CONFIG_GENERIC_LOCKBREAK is not set
CONFIG_GENERIC_TIME=y
-CONFIG_GENERIC_TIME_VSYSCALL=y
CONFIG_GENERIC_CMOS_UPDATE=y
-CONFIG_ZONE_DMA32=y
+CONFIG_CLOCKSOURCE_WATCHDOG=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y
CONFIG_LOCKDEP_SUPPORT=y
CONFIG_STACKTRACE_SUPPORT=y
-CONFIG_SEMAPHORE_SLEEPERS=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
+CONFIG_FAST_CMPXCHG_LOCAL=y
CONFIG_MMU=y
CONFIG_ZONE_DMA=y
-CONFIG_QUICKLIST=y
-CONFIG_NR_QUICK=2
-CONFIG_RWSEM_GENERIC_SPINLOCK=y
-CONFIG_GENERIC_HWEIGHT=y
-CONFIG_GENERIC_CALIBRATE_DELAY=y
-CONFIG_X86_CMPXCHG=y
-CONFIG_EARLY_PRINTK=y
CONFIG_GENERIC_ISA_DMA=y
CONFIG_GENERIC_IOMAP=y
-CONFIG_ARCH_MAY_HAVE_PC_FDC=y
-CONFIG_ARCH_POPULATES_NODE_MAP=y
-CONFIG_DMI=y
-CONFIG_AUDIT_ARCH=y
CONFIG_GENERIC_BUG=y
+CONFIG_GENERIC_HWEIGHT=y
+# CONFIG_GENERIC_GPIO is not set
+CONFIG_ARCH_MAY_HAVE_PC_FDC=y
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+# CONFIG_RWSEM_XCHGADD_ALGORITHM is not set
# CONFIG_ARCH_HAS_ILOG2_U32 is not set
# CONFIG_ARCH_HAS_ILOG2_U64 is not set
-CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+CONFIG_ARCH_HAS_CPU_IDLE_WAIT=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_GENERIC_TIME_VSYSCALL=y
+CONFIG_ARCH_HAS_CPU_RELAX=y
+CONFIG_ARCH_HAS_CACHE_LINE_SIZE=y
+CONFIG_HAVE_SETUP_PER_CPU_AREA=y
+CONFIG_HAVE_CPUMASK_OF_CPU_MAP=y
+CONFIG_ARCH_HIBERNATION_POSSIBLE=y
+CONFIG_ARCH_SUSPEND_POSSIBLE=y
+CONFIG_ZONE_DMA32=y
+CONFIG_ARCH_POPULATES_NODE_MAP=y
+CONFIG_AUDIT_ARCH=y
+CONFIG_ARCH_SUPPORTS_AOUT=y
+CONFIG_ARCH_SUPPORTS_OPTIMIZED_INLINING=y
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_GENERIC_PENDING_IRQ=y
+CONFIG_X86_SMP=y
+CONFIG_X86_64_SMP=y
+CONFIG_X86_HT=y
+CONFIG_X86_BIOS_REBOOT=y
+CONFIG_X86_TRAMPOLINE=y
+# CONFIG_KTIME_SCALAR is not set
#
-# Code maturity level options
+# General setup
#
CONFIG_EXPERIMENTAL=y
CONFIG_LOCK_KERNEL=y
CONFIG_INIT_ENV_ARG_LIMIT=32
-
-#
-# General setup
-#
CONFIG_LOCALVERSION=""
-CONFIG_LOCALVERSION_AUTO=y
+# CONFIG_LOCALVERSION_AUTO is not set
CONFIG_SWAP=y
CONFIG_SYSVIPC=y
CONFIG_SYSVIPC_SYSCTL=y
CONFIG_POSIX_MQUEUE=y
-# CONFIG_BSD_PROCESS_ACCT is not set
-# CONFIG_TASKSTATS is not set
-# CONFIG_USER_NS is not set
-# CONFIG_AUDIT is not set
-CONFIG_IKCONFIG=y
-CONFIG_IKCONFIG_PROC=y
-CONFIG_LOG_BUF_SHIFT=18
-# CONFIG_CPUSETS is not set
-CONFIG_SYSFS_DEPRECATED=y
+CONFIG_BSD_PROCESS_ACCT=y
+# CONFIG_BSD_PROCESS_ACCT_V3 is not set
+CONFIG_TASKSTATS=y
+CONFIG_TASK_DELAY_ACCT=y
+CONFIG_TASK_XACCT=y
+CONFIG_TASK_IO_ACCOUNTING=y
+CONFIG_AUDIT=y
+CONFIG_AUDITSYSCALL=y
+CONFIG_AUDIT_TREE=y
+# CONFIG_IKCONFIG is not set
+CONFIG_LOG_BUF_SHIFT=17
+CONFIG_CGROUPS=y
+# CONFIG_CGROUP_DEBUG is not set
+CONFIG_CGROUP_NS=y
+# CONFIG_CGROUP_DEVICE is not set
+CONFIG_CPUSETS=y
+CONFIG_GROUP_SCHED=y
+CONFIG_FAIR_GROUP_SCHED=y
+# CONFIG_RT_GROUP_SCHED is not set
+# CONFIG_USER_SCHED is not set
+CONFIG_CGROUP_SCHED=y
+CONFIG_CGROUP_CPUACCT=y
+CONFIG_RESOURCE_COUNTERS=y
+# CONFIG_CGROUP_MEM_RES_CTLR is not set
+# CONFIG_SYSFS_DEPRECATED_V2 is not set
+CONFIG_PROC_PID_CPUSET=y
CONFIG_RELAY=y
+CONFIG_NAMESPACES=y
+CONFIG_UTS_NS=y
+CONFIG_IPC_NS=y
+CONFIG_USER_NS=y
+CONFIG_PID_NS=y
CONFIG_BLK_DEV_INITRD=y
CONFIG_INITRAMFS_SOURCE=""
CONFIG_CC_OPTIMIZE_FOR_SIZE=y
@@ -66,13 +105,15 @@ CONFIG_SYSCTL=y
# CONFIG_EMBEDDED is not set
CONFIG_UID16=y
CONFIG_SYSCTL_SYSCALL=y
+CONFIG_SYSCTL_SYSCALL_CHECK=y
CONFIG_KALLSYMS=y
CONFIG_KALLSYMS_ALL=y
-# CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_KALLSYMS_EXTRA_PASS=y
CONFIG_HOTPLUG=y
CONFIG_PRINTK=y
CONFIG_BUG=y
CONFIG_ELF_CORE=y
+# CONFIG_COMPAT_BRK is not set
CONFIG_BASE_FULL=y
CONFIG_FUTEX=y
CONFIG_ANON_INODES=y
@@ -82,9 +123,21 @@ CONFIG_TIMERFD=y
CONFIG_EVENTFD=y
CONFIG_SHMEM=y
CONFIG_VM_EVENT_COUNTERS=y
-CONFIG_SLAB=y
-# CONFIG_SLUB is not set
+CONFIG_SLUB_DEBUG=y
+# CONFIG_SLAB is not set
+CONFIG_SLUB=y
# CONFIG_SLOB is not set
+CONFIG_PROFILING=y
+CONFIG_MARKERS=y
+# CONFIG_OPROFILE is not set
+CONFIG_HAVE_OPROFILE=y
+CONFIG_KPROBES=y
+CONFIG_KRETPROBES=y
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+# CONFIG_HAVE_DMA_ATTRS is not set
+CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_SLABINFO=y
CONFIG_RT_MUTEXES=y
# CONFIG_TINY_SHMEM is not set
CONFIG_BASE_SMALL=0
@@ -96,14 +149,15 @@ CONFIG_MODULE_FORCE_UNLOAD=y
# CONFIG_KMOD is not set
CONFIG_STOP_MACHINE=y
CONFIG_BLOCK=y
-# CONFIG_BLK_DEV_IO_TRACE is not set
-# CONFIG_BLK_DEV_BSG is not set
+CONFIG_BLK_DEV_IO_TRACE=y
+CONFIG_BLK_DEV_BSG=y
+CONFIG_BLOCK_COMPAT=y
#
# IO Schedulers
#
CONFIG_IOSCHED_NOOP=y
-# CONFIG_IOSCHED_AS is not set
+CONFIG_IOSCHED_AS=y
CONFIG_IOSCHED_DEADLINE=y
CONFIG_IOSCHED_CFQ=y
# CONFIG_DEFAULT_AS is not set
@@ -111,107 +165,177 @@ CONFIG_IOSCHED_CFQ=y
CONFIG_DEFAULT_CFQ=y
# CONFIG_DEFAULT_NOOP is not set
CONFIG_DEFAULT_IOSCHED="cfq"
+CONFIG_CLASSIC_RCU=y
#
# Processor type and features
#
+CONFIG_TICK_ONESHOT=y
+CONFIG_NO_HZ=y
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
+CONFIG_SMP=y
CONFIG_X86_PC=y
+# CONFIG_X86_ELAN is not set
+# CONFIG_X86_VOYAGER is not set
+# CONFIG_X86_NUMAQ is not set
+# CONFIG_X86_SUMMIT is not set
+# CONFIG_X86_BIGSMP is not set
+# CONFIG_X86_VISWS is not set
+# CONFIG_X86_GENERICARCH is not set
+# CONFIG_X86_ES7000 is not set
+# CONFIG_X86_RDC321X is not set
# CONFIG_X86_VSMP is not set
+# CONFIG_PARAVIRT_GUEST is not set
+CONFIG_MEMTEST_BOOTPARAM=y
+CONFIG_MEMTEST_BOOTPARAM_VALUE=0
+# CONFIG_M386 is not set
+# CONFIG_M486 is not set
+# CONFIG_M586 is not set
+# CONFIG_M586TSC is not set
+# CONFIG_M586MMX is not set
+# CONFIG_M686 is not set
+# CONFIG_MPENTIUMII is not set
+# CONFIG_MPENTIUMIII is not set
+# CONFIG_MPENTIUMM is not set
+# CONFIG_MPENTIUM4 is not set
+# CONFIG_MK6 is not set
+# CONFIG_MK7 is not set
# CONFIG_MK8 is not set
+# CONFIG_MCRUSOE is not set
+# CONFIG_MEFFICEON is not set
+# CONFIG_MWINCHIPC6 is not set
+# CONFIG_MWINCHIP2 is not set
+# CONFIG_MWINCHIP3D is not set
+# CONFIG_MGEODEGX1 is not set
+# CONFIG_MGEODE_LX is not set
+# CONFIG_MCYRIXIII is not set
+# CONFIG_MVIAC3_2 is not set
+# CONFIG_MVIAC7 is not set
# CONFIG_MPSC is not set
-# CONFIG_MCORE2 is not set
-CONFIG_GENERIC_CPU=y
-CONFIG_X86_L1_CACHE_BYTES=128
-CONFIG_X86_L1_CACHE_SHIFT=7
-CONFIG_X86_INTERNODE_CACHE_BYTES=128
-CONFIG_X86_TSC=y
+CONFIG_MCORE2=y
+# CONFIG_GENERIC_CPU is not set
+CONFIG_X86_CPU=y
+CONFIG_X86_L1_CACHE_BYTES=64
+CONFIG_X86_INTERNODE_CACHE_BYTES=64
+CONFIG_X86_CMPXCHG=y
+CONFIG_X86_L1_CACHE_SHIFT=6
CONFIG_X86_GOOD_APIC=y
-# CONFIG_MICROCODE is not set
-CONFIG_X86_MSR=y
-CONFIG_X86_CPUID=y
-CONFIG_X86_HT=y
-CONFIG_X86_IO_APIC=y
-CONFIG_X86_LOCAL_APIC=y
-CONFIG_MTRR=y
-CONFIG_SMP=y
-CONFIG_SCHED_SMT=y
+CONFIG_X86_INTEL_USERCOPY=y
+CONFIG_X86_USE_PPRO_CHECKSUM=y
+CONFIG_X86_P6_NOP=y
+CONFIG_X86_TSC=y
+CONFIG_X86_CMOV=y
+CONFIG_X86_MINIMUM_CPU_FAMILY=64
+CONFIG_X86_DEBUGCTLMSR=y
+CONFIG_HPET_TIMER=y
+CONFIG_HPET_EMULATE_RTC=y
+CONFIG_DMI=y
+CONFIG_GART_IOMMU=y
+CONFIG_CALGARY_IOMMU=y
+CONFIG_CALGARY_IOMMU_ENABLED_BY_DEFAULT=y
+CONFIG_SWIOTLB=y
+CONFIG_IOMMU_HELPER=y
+CONFIG_NR_CPUS=4
+# CONFIG_SCHED_SMT is not set
CONFIG_SCHED_MC=y
# CONFIG_PREEMPT_NONE is not set
CONFIG_PREEMPT_VOLUNTARY=y
# CONFIG_PREEMPT is not set
-CONFIG_PREEMPT_BKL=y
+CONFIG_X86_LOCAL_APIC=y
+CONFIG_X86_IO_APIC=y
+# CONFIG_X86_MCE is not set
+# CONFIG_I8K is not set
+# CONFIG_MICROCODE is not set
+CONFIG_X86_MSR=y
+CONFIG_X86_CPUID=y
CONFIG_NUMA=y
CONFIG_K8_NUMA=y
-CONFIG_NODES_SHIFT=6
CONFIG_X86_64_ACPI_NUMA=y
-CONFIG_NUMA_EMU=y
+CONFIG_NODES_SPAN_OTHER_NODES=y
+# CONFIG_NUMA_EMU is not set
+CONFIG_NODES_SHIFT=6
+CONFIG_ARCH_SPARSEMEM_DEFAULT=y
+CONFIG_ARCH_SPARSEMEM_ENABLE=y
+CONFIG_ARCH_SELECT_MEMORY_MODEL=y
+CONFIG_SELECT_MEMORY_MODEL=y
+# CONFIG_FLATMEM_MANUAL is not set
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+CONFIG_SPARSEMEM_MANUAL=y
+CONFIG_SPARSEMEM=y
CONFIG_NEED_MULTIPLE_NODES=y
+CONFIG_HAVE_MEMORY_PRESENT=y
# CONFIG_SPARSEMEM_STATIC is not set
+CONFIG_SPARSEMEM_EXTREME=y
+CONFIG_SPARSEMEM_VMEMMAP_ENABLE=y
+CONFIG_SPARSEMEM_VMEMMAP=y
+
+#
+# Memory hotplug is currently incompatible with Software Suspend
+#
+CONFIG_PAGEFLAGS_EXTENDED=y
CONFIG_SPLIT_PTLOCK_CPUS=4
CONFIG_MIGRATION=y
CONFIG_RESOURCES_64BIT=y
CONFIG_ZONE_DMA_FLAG=1
CONFIG_BOUNCE=y
CONFIG_VIRT_TO_BUS=y
-CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID=y
-CONFIG_OUT_OF_LINE_PFN_TO_PAGE=y
-CONFIG_NR_CPUS=32
-CONFIG_PHYSICAL_ALIGN=0x200000
-CONFIG_HOTPLUG_CPU=y
-CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y
-CONFIG_HPET_TIMER=y
-CONFIG_HPET_EMULATE_RTC=y
-CONFIG_GART_IOMMU=y
-# CONFIG_CALGARY_IOMMU is not set
-CONFIG_SWIOTLB=y
-CONFIG_X86_MCE=y
-CONFIG_X86_MCE_INTEL=y
-CONFIG_X86_MCE_AMD=y
-# CONFIG_KEXEC is not set
-# CONFIG_CRASH_DUMP is not set
-# CONFIG_RELOCATABLE is not set
-CONFIG_PHYSICAL_START=0x200000
+CONFIG_MTRR=y
+# CONFIG_X86_PAT is not set
+CONFIG_EFI=y
CONFIG_SECCOMP=y
-# CONFIG_CC_STACKPROTECTOR is not set
# CONFIG_HZ_100 is not set
-CONFIG_HZ_250=y
+# CONFIG_HZ_250 is not set
# CONFIG_HZ_300 is not set
-# CONFIG_HZ_1000 is not set
-CONFIG_HZ=250
-CONFIG_K8_NB=y
-CONFIG_GENERIC_HARDIRQS=y
-CONFIG_GENERIC_IRQ_PROBE=y
-CONFIG_ISA_DMA_API=y
-CONFIG_GENERIC_PENDING_IRQ=y
+CONFIG_HZ_1000=y
+CONFIG_HZ=1000
+CONFIG_SCHED_HRTICK=y
+CONFIG_KEXEC=y
+CONFIG_CRASH_DUMP=y
+CONFIG_PHYSICAL_START=0x1000000
+CONFIG_RELOCATABLE=y
+CONFIG_PHYSICAL_ALIGN=0x200000
+CONFIG_HOTPLUG_CPU=y
+# CONFIG_COMPAT_VDSO is not set
+CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y
+CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID=y
#
# Power management options
#
+CONFIG_ARCH_HIBERNATION_HEADER=y
CONFIG_PM=y
-# CONFIG_PM_LEGACY is not set
-# CONFIG_PM_DEBUG is not set
+CONFIG_PM_DEBUG=y
+# CONFIG_PM_VERBOSE is not set
+CONFIG_CAN_PM_TRACE=y
+CONFIG_PM_TRACE=y
+CONFIG_PM_TRACE_RTC=y
+CONFIG_PM_SLEEP_SMP=y
+CONFIG_PM_SLEEP=y
+CONFIG_SUSPEND=y
+CONFIG_SUSPEND_FREEZER=y
CONFIG_HIBERNATION=y
CONFIG_PM_STD_PARTITION=""
-
-#
-# ACPI (Advanced Configuration and Power Interface) Support
-#
CONFIG_ACPI=y
CONFIG_ACPI_SLEEP=y
-CONFIG_ACPI_SLEEP_PROC_FS=y
-CONFIG_ACPI_SLEEP_PROC_SLEEP=y
CONFIG_ACPI_PROCFS=y
+CONFIG_ACPI_PROCFS_POWER=y
+CONFIG_ACPI_SYSFS_POWER=y
+CONFIG_ACPI_PROC_EVENT=y
CONFIG_ACPI_AC=y
CONFIG_ACPI_BATTERY=y
CONFIG_ACPI_BUTTON=y
CONFIG_ACPI_FAN=y
-# CONFIG_ACPI_DOCK is not set
+CONFIG_ACPI_DOCK=y
+# CONFIG_ACPI_BAY is not set
CONFIG_ACPI_PROCESSOR=y
CONFIG_ACPI_HOTPLUG_CPU=y
CONFIG_ACPI_THERMAL=y
CONFIG_ACPI_NUMA=y
+# CONFIG_ACPI_WMI is not set
# CONFIG_ACPI_ASUS is not set
# CONFIG_ACPI_TOSHIBA is not set
+# CONFIG_ACPI_CUSTOM_DSDT is not set
CONFIG_ACPI_BLACKLIST_YEAR=0
# CONFIG_ACPI_DEBUG is not set
CONFIG_ACPI_EC=y
@@ -227,29 +351,34 @@ CONFIG_ACPI_CONTAINER=y
CONFIG_CPU_FREQ=y
CONFIG_CPU_FREQ_TABLE=y
CONFIG_CPU_FREQ_DEBUG=y
-CONFIG_CPU_FREQ_STAT=y
-# CONFIG_CPU_FREQ_STAT_DETAILS is not set
-CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y
-# CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE is not set
+# CONFIG_CPU_FREQ_STAT is not set
+# CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE is not set
+# CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE is not set
+CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE=y
+# CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND is not set
+# CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE is not set
CONFIG_CPU_FREQ_GOV_PERFORMANCE=y
# CONFIG_CPU_FREQ_GOV_POWERSAVE is not set
CONFIG_CPU_FREQ_GOV_USERSPACE=y
CONFIG_CPU_FREQ_GOV_ONDEMAND=y
-CONFIG_CPU_FREQ_GOV_CONSERVATIVE=y
+# CONFIG_CPU_FREQ_GOV_CONSERVATIVE is not set
#
# CPUFreq processor drivers
#
-CONFIG_X86_POWERNOW_K8=y
-CONFIG_X86_POWERNOW_K8_ACPI=y
-# CONFIG_X86_SPEEDSTEP_CENTRINO is not set
CONFIG_X86_ACPI_CPUFREQ=y
+# CONFIG_X86_POWERNOW_K8 is not set
+# CONFIG_X86_SPEEDSTEP_CENTRINO is not set
+# CONFIG_X86_P4_CLOCKMOD is not set
#
# shared options
#
-CONFIG_X86_ACPI_CPUFREQ_PROC_INTF=y
+# CONFIG_X86_ACPI_CPUFREQ_PROC_INTF is not set
# CONFIG_X86_SPEEDSTEP_LIB is not set
+CONFIG_CPU_IDLE=y
+CONFIG_CPU_IDLE_GOV_LADDER=y
+CONFIG_CPU_IDLE_GOV_MENU=y
#
# Bus options (PCI etc.)
@@ -257,27 +386,56 @@ CONFIG_X86_ACPI_CPUFREQ_PROC_INTF=y
CONFIG_PCI=y
CONFIG_PCI_DIRECT=y
CONFIG_PCI_MMCONFIG=y
+CONFIG_PCI_DOMAINS=y
+CONFIG_DMAR=y
+CONFIG_DMAR_GFX_WA=y
+CONFIG_DMAR_FLOPPY_WA=y
CONFIG_PCIEPORTBUS=y
+# CONFIG_HOTPLUG_PCI_PCIE is not set
CONFIG_PCIEAER=y
+# CONFIG_PCIEASPM is not set
CONFIG_ARCH_SUPPORTS_MSI=y
CONFIG_PCI_MSI=y
+# CONFIG_PCI_LEGACY is not set
# CONFIG_PCI_DEBUG is not set
-# CONFIG_HT_IRQ is not set
-
-#
-# PCCARD (PCMCIA/CardBus) support
-#
-# CONFIG_PCCARD is not set
-# CONFIG_HOTPLUG_PCI is not set
+CONFIG_HT_IRQ=y
+CONFIG_ISA_DMA_API=y
+CONFIG_K8_NB=y
+CONFIG_PCCARD=y
+# CONFIG_PCMCIA_DEBUG is not set
+CONFIG_PCMCIA=y
+CONFIG_PCMCIA_LOAD_CIS=y
+CONFIG_PCMCIA_IOCTL=y
+CONFIG_CARDBUS=y
+
+#
+# PC-card bridges
+#
+CONFIG_YENTA=y
+CONFIG_YENTA_O2=y
+CONFIG_YENTA_RICOH=y
+CONFIG_YENTA_TI=y
+CONFIG_YENTA_ENE_TUNE=y
+CONFIG_YENTA_TOSHIBA=y
+# CONFIG_PD6729 is not set
+# CONFIG_I82092 is not set
+CONFIG_PCCARD_NONSTATIC=y
+CONFIG_HOTPLUG_PCI=y
+# CONFIG_HOTPLUG_PCI_FAKE is not set
+# CONFIG_HOTPLUG_PCI_ACPI is not set
+# CONFIG_HOTPLUG_PCI_CPCI is not set
+# CONFIG_HOTPLUG_PCI_SHPC is not set
#
# Executable file formats / Emulations
#
CONFIG_BINFMT_ELF=y
-# CONFIG_BINFMT_MISC is not set
+CONFIG_COMPAT_BINFMT_ELF=y
+CONFIG_BINFMT_MISC=y
CONFIG_IA32_EMULATION=y
-CONFIG_IA32_AOUT=y
+# CONFIG_IA32_AOUT is not set
CONFIG_COMPAT=y
+CONFIG_COMPAT_FOR_U64_ALIGNMENT=y
CONFIG_SYSVIPC_COMPAT=y
#
@@ -289,22 +447,31 @@ CONFIG_NET=y
# Networking options
#
CONFIG_PACKET=y
-# CONFIG_PACKET_MMAP is not set
+CONFIG_PACKET_MMAP=y
CONFIG_UNIX=y
+CONFIG_XFRM=y
+CONFIG_XFRM_USER=y
+# CONFIG_XFRM_SUB_POLICY is not set
+# CONFIG_XFRM_MIGRATE is not set
+# CONFIG_XFRM_STATISTICS is not set
# CONFIG_NET_KEY is not set
CONFIG_INET=y
CONFIG_IP_MULTICAST=y
-# CONFIG_IP_ADVANCED_ROUTER is not set
+CONFIG_IP_ADVANCED_ROUTER=y
+CONFIG_ASK_IP_FIB_HASH=y
+# CONFIG_IP_FIB_TRIE is not set
CONFIG_IP_FIB_HASH=y
-CONFIG_IP_PNP=y
-CONFIG_IP_PNP_DHCP=y
-# CONFIG_IP_PNP_BOOTP is not set
-# CONFIG_IP_PNP_RARP is not set
+CONFIG_IP_MULTIPLE_TABLES=y
+CONFIG_IP_ROUTE_MULTIPATH=y
+CONFIG_IP_ROUTE_VERBOSE=y
+# CONFIG_IP_PNP is not set
# CONFIG_NET_IPIP is not set
# CONFIG_NET_IPGRE is not set
-# CONFIG_IP_MROUTE is not set
+CONFIG_IP_MROUTE=y
+CONFIG_IP_PIMSM_V1=y
+CONFIG_IP_PIMSM_V2=y
# CONFIG_ARPD is not set
-# CONFIG_SYN_COOKIES is not set
+CONFIG_SYN_COOKIES=y
# CONFIG_INET_AH is not set
# CONFIG_INET_ESP is not set
# CONFIG_INET_IPCOMP is not set
@@ -313,31 +480,109 @@ CONFIG_INET_TUNNEL=y
# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
# CONFIG_INET_XFRM_MODE_TUNNEL is not set
# CONFIG_INET_XFRM_MODE_BEET is not set
-CONFIG_INET_DIAG=y
-CONFIG_INET_TCP_DIAG=y
-# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_INET_LRO=y
+# CONFIG_INET_DIAG is not set
+CONFIG_TCP_CONG_ADVANCED=y
+# CONFIG_TCP_CONG_BIC is not set
CONFIG_TCP_CONG_CUBIC=y
+# CONFIG_TCP_CONG_WESTWOOD is not set
+# CONFIG_TCP_CONG_HTCP is not set
+# CONFIG_TCP_CONG_HSTCP is not set
+# CONFIG_TCP_CONG_HYBLA is not set
+# CONFIG_TCP_CONG_VEGAS is not set
+# CONFIG_TCP_CONG_SCALABLE is not set
+# CONFIG_TCP_CONG_LP is not set
+# CONFIG_TCP_CONG_VENO is not set
+# CONFIG_TCP_CONG_YEAH is not set
+# CONFIG_TCP_CONG_ILLINOIS is not set
+# CONFIG_DEFAULT_BIC is not set
+CONFIG_DEFAULT_CUBIC=y
+# CONFIG_DEFAULT_HTCP is not set
+# CONFIG_DEFAULT_VEGAS is not set
+# CONFIG_DEFAULT_WESTWOOD is not set
+# CONFIG_DEFAULT_RENO is not set
CONFIG_DEFAULT_TCP_CONG="cubic"
-# CONFIG_TCP_MD5SIG is not set
+CONFIG_TCP_MD5SIG=y
+# CONFIG_IP_VS is not set
CONFIG_IPV6=y
# CONFIG_IPV6_PRIVACY is not set
# CONFIG_IPV6_ROUTER_PREF is not set
# CONFIG_IPV6_OPTIMISTIC_DAD is not set
-# CONFIG_INET6_AH is not set
-# CONFIG_INET6_ESP is not set
+CONFIG_INET6_AH=y
+CONFIG_INET6_ESP=y
# CONFIG_INET6_IPCOMP is not set
# CONFIG_IPV6_MIP6 is not set
# CONFIG_INET6_XFRM_TUNNEL is not set
# CONFIG_INET6_TUNNEL is not set
-# CONFIG_INET6_XFRM_MODE_TRANSPORT is not set
-# CONFIG_INET6_XFRM_MODE_TUNNEL is not set
-# CONFIG_INET6_XFRM_MODE_BEET is not set
+CONFIG_INET6_XFRM_MODE_TRANSPORT=y
+CONFIG_INET6_XFRM_MODE_TUNNEL=y
+CONFIG_INET6_XFRM_MODE_BEET=y
# CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION is not set
CONFIG_IPV6_SIT=y
+CONFIG_IPV6_NDISC_NODETYPE=y
# CONFIG_IPV6_TUNNEL is not set
# CONFIG_IPV6_MULTIPLE_TABLES is not set
-# CONFIG_NETWORK_SECMARK is not set
-# CONFIG_NETFILTER is not set
+# CONFIG_IPV6_MROUTE is not set
+CONFIG_NETLABEL=y
+CONFIG_NETWORK_SECMARK=y
+CONFIG_NETFILTER=y
+# CONFIG_NETFILTER_DEBUG is not set
+# CONFIG_NETFILTER_ADVANCED is not set
+
+#
+# Core Netfilter Configuration
+#
+CONFIG_NETFILTER_NETLINK=y
+CONFIG_NETFILTER_NETLINK_LOG=y
+CONFIG_NF_CONNTRACK=y
+CONFIG_NF_CONNTRACK_SECMARK=y
+CONFIG_NF_CONNTRACK_FTP=y
+CONFIG_NF_CONNTRACK_IRC=y
+CONFIG_NF_CONNTRACK_SIP=y
+CONFIG_NF_CT_NETLINK=y
+CONFIG_NETFILTER_XTABLES=y
+CONFIG_NETFILTER_XT_TARGET_MARK=y
+CONFIG_NETFILTER_XT_TARGET_NFLOG=y
+CONFIG_NETFILTER_XT_TARGET_SECMARK=y
+CONFIG_NETFILTER_XT_TARGET_CONNSECMARK=y
+CONFIG_NETFILTER_XT_TARGET_TCPMSS=y
+CONFIG_NETFILTER_XT_MATCH_CONNTRACK=y
+CONFIG_NETFILTER_XT_MATCH_MARK=y
+CONFIG_NETFILTER_XT_MATCH_POLICY=y
+CONFIG_NETFILTER_XT_MATCH_STATE=y
+
+#
+# IP: Netfilter Configuration
+#
+CONFIG_NF_CONNTRACK_IPV4=y
+CONFIG_NF_CONNTRACK_PROC_COMPAT=y
+CONFIG_IP_NF_IPTABLES=y
+CONFIG_IP_NF_FILTER=y
+CONFIG_IP_NF_TARGET_REJECT=y
+CONFIG_IP_NF_TARGET_LOG=y
+CONFIG_IP_NF_TARGET_ULOG=y
+CONFIG_NF_NAT=y
+CONFIG_NF_NAT_NEEDED=y
+CONFIG_IP_NF_TARGET_MASQUERADE=y
+CONFIG_NF_NAT_FTP=y
+CONFIG_NF_NAT_IRC=y
+# CONFIG_NF_NAT_TFTP is not set
+# CONFIG_NF_NAT_AMANDA is not set
+# CONFIG_NF_NAT_PPTP is not set
+# CONFIG_NF_NAT_H323 is not set
+CONFIG_NF_NAT_SIP=y
+CONFIG_IP_NF_MANGLE=y
+
+#
+# IPv6: Netfilter Configuration
+#
+CONFIG_NF_CONNTRACK_IPV6=y
+CONFIG_IP6_NF_IPTABLES=y
+CONFIG_IP6_NF_MATCH_IPV6HEADER=y
+CONFIG_IP6_NF_FILTER=y
+CONFIG_IP6_NF_TARGET_LOG=y
+CONFIG_IP6_NF_TARGET_REJECT=y
+CONFIG_IP6_NF_MANGLE=y
# CONFIG_IP_DCCP is not set
# CONFIG_IP_SCTP is not set
# CONFIG_TIPC is not set
@@ -345,6 +590,7 @@ CONFIG_IPV6_SIT=y
# CONFIG_BRIDGE is not set
# CONFIG_VLAN_8021Q is not set
# CONFIG_DECNET is not set
+CONFIG_LLC=y
# CONFIG_LLC2 is not set
# CONFIG_IPX is not set
# CONFIG_ATALK is not set
@@ -352,28 +598,99 @@ CONFIG_IPV6_SIT=y
# CONFIG_LAPB is not set
# CONFIG_ECONET is not set
# CONFIG_WAN_ROUTER is not set
-
-#
-# QoS and/or fair queueing
-#
-# CONFIG_NET_SCHED is not set
+CONFIG_NET_SCHED=y
+
+#
+# Queueing/Scheduling
+#
+# CONFIG_NET_SCH_CBQ is not set
+# CONFIG_NET_SCH_HTB is not set
+# CONFIG_NET_SCH_HFSC is not set
+# CONFIG_NET_SCH_PRIO is not set
+# CONFIG_NET_SCH_RR is not set
+# CONFIG_NET_SCH_RED is not set
+# CONFIG_NET_SCH_SFQ is not set
+# CONFIG_NET_SCH_TEQL is not set
+# CONFIG_NET_SCH_TBF is not set
+# CONFIG_NET_SCH_GRED is not set
+# CONFIG_NET_SCH_DSMARK is not set
+# CONFIG_NET_SCH_NETEM is not set
+# CONFIG_NET_SCH_INGRESS is not set
+
+#
+# Classification
+#
+CONFIG_NET_CLS=y
+# CONFIG_NET_CLS_BASIC is not set
+# CONFIG_NET_CLS_TCINDEX is not set
+# CONFIG_NET_CLS_ROUTE4 is not set
+# CONFIG_NET_CLS_FW is not set
+# CONFIG_NET_CLS_U32 is not set
+# CONFIG_NET_CLS_RSVP is not set
+# CONFIG_NET_CLS_RSVP6 is not set
+# CONFIG_NET_CLS_FLOW is not set
+CONFIG_NET_EMATCH=y
+CONFIG_NET_EMATCH_STACK=32
+# CONFIG_NET_EMATCH_CMP is not set
+# CONFIG_NET_EMATCH_NBYTE is not set
+# CONFIG_NET_EMATCH_U32 is not set
+# CONFIG_NET_EMATCH_META is not set
+# CONFIG_NET_EMATCH_TEXT is not set
+CONFIG_NET_CLS_ACT=y
+# CONFIG_NET_ACT_POLICE is not set
+# CONFIG_NET_ACT_GACT is not set
+# CONFIG_NET_ACT_MIRRED is not set
+# CONFIG_NET_ACT_IPT is not set
+# CONFIG_NET_ACT_NAT is not set
+# CONFIG_NET_ACT_PEDIT is not set
+# CONFIG_NET_ACT_SIMP is not set
+CONFIG_NET_SCH_FIFO=y
#
# Network testing
#
# CONFIG_NET_PKTGEN is not set
# CONFIG_NET_TCPPROBE is not set
-# CONFIG_HAMRADIO is not set
+CONFIG_HAMRADIO=y
+
+#
+# Packet Radio protocols
+#
+# CONFIG_AX25 is not set
+# CONFIG_CAN is not set
# CONFIG_IRDA is not set
# CONFIG_BT is not set
# CONFIG_AF_RXRPC is not set
+CONFIG_FIB_RULES=y
#
# Wireless
#
-# CONFIG_CFG80211 is not set
-# CONFIG_WIRELESS_EXT is not set
-# CONFIG_MAC80211 is not set
+CONFIG_CFG80211=y
+CONFIG_NL80211=y
+CONFIG_WIRELESS_EXT=y
+CONFIG_MAC80211=y
+
+#
+# Rate control algorithm selection
+#
+CONFIG_MAC80211_RC_DEFAULT_PID=y
+# CONFIG_MAC80211_RC_DEFAULT_NONE is not set
+
+#
+# Selecting 'y' for an algorithm will
+#
+
+#
+# build the algorithm into mac80211.
+#
+CONFIG_MAC80211_RC_DEFAULT="pid"
+CONFIG_MAC80211_RC_PID=y
+# CONFIG_MAC80211_MESH is not set
+CONFIG_MAC80211_LEDS=y
+# CONFIG_MAC80211_DEBUGFS is not set
+# CONFIG_MAC80211_DEBUG_PACKET_ALIGNMENT is not set
+# CONFIG_MAC80211_DEBUG is not set
# CONFIG_IEEE80211 is not set
# CONFIG_RFKILL is not set
# CONFIG_NET_9P is not set
@@ -385,13 +702,15 @@ CONFIG_IPV6_SIT=y
#
# Generic Driver Options
#
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_STANDALONE=y
CONFIG_PREVENT_FIRMWARE_BUILD=y
CONFIG_FW_LOADER=y
# CONFIG_DEBUG_DRIVER is not set
-# CONFIG_DEBUG_DEVRES is not set
+CONFIG_DEBUG_DEVRES=y
# CONFIG_SYS_HYPERVISOR is not set
-# CONFIG_CONNECTOR is not set
+CONFIG_CONNECTOR=y
+CONFIG_PROC_EVENTS=y
# CONFIG_MTD is not set
# CONFIG_PARPORT is not set
CONFIG_PNP=y
@@ -402,7 +721,7 @@ CONFIG_PNP=y
#
CONFIG_PNPACPI=y
CONFIG_BLK_DEV=y
-CONFIG_BLK_DEV_FD=y
+# CONFIG_BLK_DEV_FD is not set
# CONFIG_BLK_CPQ_DA is not set
# CONFIG_BLK_CPQ_CISS_DA is not set
# CONFIG_BLK_DEV_DAC960 is not set
@@ -415,8 +734,8 @@ CONFIG_BLK_DEV_LOOP=y
# CONFIG_BLK_DEV_UB is not set
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_RAM_COUNT=16
-CONFIG_BLK_DEV_RAM_SIZE=4096
-CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024
+CONFIG_BLK_DEV_RAM_SIZE=16384
+# CONFIG_BLK_DEV_XIP is not set
# CONFIG_CDROM_PKTCDVD is not set
# CONFIG_ATA_OVER_ETH is not set
CONFIG_MISC_DEVICES=y
@@ -425,72 +744,16 @@ CONFIG_MISC_DEVICES=y
# CONFIG_EEPROM_93CX6 is not set
# CONFIG_SGI_IOC4 is not set
# CONFIG_TIFM_CORE is not set
+# CONFIG_ACER_WMI is not set
+# CONFIG_ASUS_LAPTOP is not set
+# CONFIG_FUJITSU_LAPTOP is not set
+# CONFIG_MSI_LAPTOP is not set
# CONFIG_SONY_LAPTOP is not set
# CONFIG_THINKPAD_ACPI is not set
-CONFIG_IDE=y
-CONFIG_BLK_DEV_IDE=y
-
-#
-# Please see Documentation/ide.txt for help/info on IDE drives
-#
-# CONFIG_BLK_DEV_IDE_SATA is not set
-# CONFIG_BLK_DEV_HD_IDE is not set
-CONFIG_BLK_DEV_IDEDISK=y
-CONFIG_IDEDISK_MULTI_MODE=y
-CONFIG_BLK_DEV_IDECD=y
-# CONFIG_BLK_DEV_IDETAPE is not set
-# CONFIG_BLK_DEV_IDEFLOPPY is not set
-# CONFIG_BLK_DEV_IDESCSI is not set
-CONFIG_BLK_DEV_IDEACPI=y
-# CONFIG_IDE_TASK_IOCTL is not set
-CONFIG_IDE_PROC_FS=y
-
-#
-# IDE chipset support/bugfixes
-#
-CONFIG_IDE_GENERIC=y
-# CONFIG_BLK_DEV_CMD640 is not set
-# CONFIG_BLK_DEV_IDEPNP is not set
-CONFIG_BLK_DEV_IDEPCI=y
-# CONFIG_IDEPCI_SHARE_IRQ is not set
-CONFIG_IDEPCI_PCIBUS_ORDER=y
-# CONFIG_BLK_DEV_OFFBOARD is not set
-# CONFIG_BLK_DEV_GENERIC is not set
-# CONFIG_BLK_DEV_OPTI621 is not set
-# CONFIG_BLK_DEV_RZ1000 is not set
-CONFIG_BLK_DEV_IDEDMA_PCI=y
-# CONFIG_BLK_DEV_IDEDMA_FORCED is not set
-# CONFIG_IDEDMA_ONLYDISK is not set
-# CONFIG_BLK_DEV_AEC62XX is not set
-# CONFIG_BLK_DEV_ALI15X3 is not set
-CONFIG_BLK_DEV_AMD74XX=y
-CONFIG_BLK_DEV_ATIIXP=y
-# CONFIG_BLK_DEV_CMD64X is not set
-# CONFIG_BLK_DEV_TRIFLEX is not set
-# CONFIG_BLK_DEV_CY82C693 is not set
-# CONFIG_BLK_DEV_CS5520 is not set
-# CONFIG_BLK_DEV_CS5530 is not set
-# CONFIG_BLK_DEV_HPT34X is not set
-# CONFIG_BLK_DEV_HPT366 is not set
-# CONFIG_BLK_DEV_JMICRON is not set
-# CONFIG_BLK_DEV_SC1200 is not set
-CONFIG_BLK_DEV_PIIX=y
-# CONFIG_BLK_DEV_IT8213 is not set
-# CONFIG_BLK_DEV_IT821X is not set
-# CONFIG_BLK_DEV_NS87415 is not set
-# CONFIG_BLK_DEV_PDC202XX_OLD is not set
-CONFIG_BLK_DEV_PDC202XX_NEW=y
-# CONFIG_BLK_DEV_SVWKS is not set
-# CONFIG_BLK_DEV_SIIMAGE is not set
-# CONFIG_BLK_DEV_SIS5513 is not set
-# CONFIG_BLK_DEV_SLC90E66 is not set
-# CONFIG_BLK_DEV_TRM290 is not set
-# CONFIG_BLK_DEV_VIA82CXXX is not set
-# CONFIG_BLK_DEV_TC86C001 is not set
-# CONFIG_IDE_ARM is not set
-CONFIG_BLK_DEV_IDEDMA=y
-# CONFIG_IDEDMA_IVB is not set
-# CONFIG_BLK_DEV_HD is not set
+# CONFIG_INTEL_MENLOW is not set
+# CONFIG_ENCLOSURE_SERVICES is not set
+CONFIG_HAVE_IDE=y
+# CONFIG_IDE is not set
#
# SCSI device support
@@ -499,8 +762,8 @@ CONFIG_BLK_DEV_IDEDMA=y
CONFIG_SCSI=y
CONFIG_SCSI_DMA=y
# CONFIG_SCSI_TGT is not set
-CONFIG_SCSI_NETLINK=y
-# CONFIG_SCSI_PROC_FS is not set
+# CONFIG_SCSI_NETLINK is not set
+CONFIG_SCSI_PROC_FS=y
#
# SCSI support type (disk, tape, CD-ROM)
@@ -509,7 +772,7 @@ CONFIG_BLK_DEV_SD=y
# CONFIG_CHR_DEV_ST is not set
# CONFIG_CHR_DEV_OSST is not set
CONFIG_BLK_DEV_SR=y
-# CONFIG_BLK_DEV_SR_VENDOR is not set
+CONFIG_BLK_DEV_SR_VENDOR=y
CONFIG_CHR_DEV_SG=y
# CONFIG_CHR_DEV_SCH is not set
@@ -526,73 +789,37 @@ CONFIG_SCSI_WAIT_SCAN=m
# SCSI Transports
#
CONFIG_SCSI_SPI_ATTRS=y
-CONFIG_SCSI_FC_ATTRS=y
+# CONFIG_SCSI_FC_ATTRS is not set
# CONFIG_SCSI_ISCSI_ATTRS is not set
-CONFIG_SCSI_SAS_ATTRS=y
+# CONFIG_SCSI_SAS_ATTRS is not set
# CONFIG_SCSI_SAS_LIBSAS is not set
-
-#
-# SCSI low-level drivers
-#
-# CONFIG_ISCSI_TCP is not set
-# CONFIG_BLK_DEV_3W_XXXX_RAID is not set
-# CONFIG_SCSI_3W_9XXX is not set
-# CONFIG_SCSI_ACARD is not set
-# CONFIG_SCSI_AACRAID is not set
-# CONFIG_SCSI_AIC7XXX is not set
-# CONFIG_SCSI_AIC7XXX_OLD is not set
-CONFIG_SCSI_AIC79XX=y
-CONFIG_AIC79XX_CMDS_PER_DEVICE=32
-CONFIG_AIC79XX_RESET_DELAY_MS=4000
-# CONFIG_AIC79XX_DEBUG_ENABLE is not set
-CONFIG_AIC79XX_DEBUG_MASK=0
-# CONFIG_AIC79XX_REG_PRETTY_PRINT is not set
-# CONFIG_SCSI_AIC94XX is not set
-# CONFIG_SCSI_ARCMSR is not set
-# CONFIG_MEGARAID_NEWGEN is not set
-# CONFIG_MEGARAID_LEGACY is not set
-# CONFIG_MEGARAID_SAS is not set
-# CONFIG_SCSI_HPTIOP is not set
-# CONFIG_SCSI_BUSLOGIC is not set
-# CONFIG_SCSI_DMX3191D is not set
-# CONFIG_SCSI_EATA is not set
-# CONFIG_SCSI_FUTURE_DOMAIN is not set
-# CONFIG_SCSI_GDTH is not set
-# CONFIG_SCSI_IPS is not set
-# CONFIG_SCSI_INITIO is not set
-# CONFIG_SCSI_INIA100 is not set
-# CONFIG_SCSI_STEX is not set
-# CONFIG_SCSI_SYM53C8XX_2 is not set
-# CONFIG_SCSI_IPR is not set
-# CONFIG_SCSI_QLOGIC_1280 is not set
-# CONFIG_SCSI_QLA_FC is not set
-# CONFIG_SCSI_QLA_ISCSI is not set
-# CONFIG_SCSI_LPFC is not set
-# CONFIG_SCSI_DC395x is not set
-# CONFIG_SCSI_DC390T is not set
-# CONFIG_SCSI_DEBUG is not set
-# CONFIG_SCSI_SRP is not set
+# CONFIG_SCSI_SRP_ATTRS is not set
+# CONFIG_SCSI_LOWLEVEL is not set
+# CONFIG_SCSI_LOWLEVEL_PCMCIA is not set
CONFIG_ATA=y
# CONFIG_ATA_NONSTANDARD is not set
CONFIG_ATA_ACPI=y
+CONFIG_SATA_PMP=y
CONFIG_SATA_AHCI=y
-CONFIG_SATA_SVW=y
+# CONFIG_SATA_SIL24 is not set
+CONFIG_ATA_SFF=y
+# CONFIG_SATA_SVW is not set
CONFIG_ATA_PIIX=y
# CONFIG_SATA_MV is not set
-CONFIG_SATA_NV=y
+# CONFIG_SATA_NV is not set
# CONFIG_PDC_ADMA is not set
# CONFIG_SATA_QSTOR is not set
# CONFIG_SATA_PROMISE is not set
# CONFIG_SATA_SX4 is not set
-CONFIG_SATA_SIL=y
-# CONFIG_SATA_SIL24 is not set
+# CONFIG_SATA_SIL is not set
# CONFIG_SATA_SIS is not set
# CONFIG_SATA_ULI is not set
-CONFIG_SATA_VIA=y
+# CONFIG_SATA_VIA is not set
# CONFIG_SATA_VITESSE is not set
# CONFIG_SATA_INIC162X is not set
+# CONFIG_PATA_ACPI is not set
# CONFIG_PATA_ALI is not set
-# CONFIG_PATA_AMD is not set
+CONFIG_PATA_AMD=y
# CONFIG_PATA_ARTOP is not set
# CONFIG_PATA_ATIIXP is not set
# CONFIG_PATA_CMD640_PCI is not set
@@ -612,11 +839,14 @@ CONFIG_SATA_VIA=y
# CONFIG_PATA_TRIFLEX is not set
# CONFIG_PATA_MARVELL is not set
# CONFIG_PATA_MPIIX is not set
-# CONFIG_PATA_OLDPIIX is not set
+CONFIG_PATA_OLDPIIX=y
# CONFIG_PATA_NETCELL is not set
+# CONFIG_PATA_NINJA32 is not set
# CONFIG_PATA_NS87410 is not set
+# CONFIG_PATA_NS87415 is not set
# CONFIG_PATA_OPTI is not set
# CONFIG_PATA_OPTIDMA is not set
+# CONFIG_PATA_PCMCIA is not set
# CONFIG_PATA_PDC_OLD is not set
# CONFIG_PATA_RADISYS is not set
# CONFIG_PATA_RZ1000 is not set
@@ -628,65 +858,42 @@ CONFIG_SATA_VIA=y
# CONFIG_PATA_VIA is not set
# CONFIG_PATA_WINBOND is not set
CONFIG_MD=y
-# CONFIG_BLK_DEV_MD is not set
+CONFIG_BLK_DEV_MD=y
+# CONFIG_MD_LINEAR is not set
+# CONFIG_MD_RAID0 is not set
+# CONFIG_MD_RAID1 is not set
+# CONFIG_MD_RAID10 is not set
+# CONFIG_MD_RAID456 is not set
+# CONFIG_MD_MULTIPATH is not set
+# CONFIG_MD_FAULTY is not set
CONFIG_BLK_DEV_DM=y
# CONFIG_DM_DEBUG is not set
# CONFIG_DM_CRYPT is not set
# CONFIG_DM_SNAPSHOT is not set
-# CONFIG_DM_MIRROR is not set
-# CONFIG_DM_ZERO is not set
+CONFIG_DM_MIRROR=y
+CONFIG_DM_ZERO=y
# CONFIG_DM_MULTIPATH is not set
# CONFIG_DM_DELAY is not set
-
-#
-# Fusion MPT device support
-#
-CONFIG_FUSION=y
-CONFIG_FUSION_SPI=y
-# CONFIG_FUSION_FC is not set
-# CONFIG_FUSION_SAS is not set
-CONFIG_FUSION_MAX_SGE=128
-# CONFIG_FUSION_CTL is not set
+# CONFIG_DM_UEVENT is not set
+# CONFIG_FUSION is not set
#
# IEEE 1394 (FireWire) support
#
# CONFIG_FIREWIRE is not set
-CONFIG_IEEE1394=y
-
-#
-# Subsystem Options
-#
-# CONFIG_IEEE1394_VERBOSEDEBUG is not set
-
-#
-# Controllers
-#
-
-#
-# Texas Instruments PCILynx requires I2C
-#
-CONFIG_IEEE1394_OHCI1394=y
-
-#
-# Protocols
-#
-# CONFIG_IEEE1394_VIDEO1394 is not set
-# CONFIG_IEEE1394_SBP2 is not set
-# CONFIG_IEEE1394_ETH1394_ROM_ENTRY is not set
-# CONFIG_IEEE1394_ETH1394 is not set
-# CONFIG_IEEE1394_DV1394 is not set
-CONFIG_IEEE1394_RAWIO=y
+# CONFIG_IEEE1394 is not set
# CONFIG_I2O is not set
CONFIG_MACINTOSH_DRIVERS=y
-# CONFIG_MAC_EMUMOUSEBTN is not set
+CONFIG_MAC_EMUMOUSEBTN=y
CONFIG_NETDEVICES=y
-CONFIG_NETDEVICES_MULTIQUEUE=y
+# CONFIG_NETDEVICES_MULTIQUEUE is not set
+# CONFIG_IFB is not set
# CONFIG_DUMMY is not set
# CONFIG_BONDING is not set
# CONFIG_MACVLAN is not set
# CONFIG_EQUALIZER is not set
-CONFIG_TUN=y
+# CONFIG_TUN is not set
+# CONFIG_VETH is not set
# CONFIG_NET_SB1000 is not set
# CONFIG_ARCNET is not set
# CONFIG_PHYLIB is not set
@@ -696,39 +903,40 @@ CONFIG_MII=y
# CONFIG_SUNGEM is not set
# CONFIG_CASSINI is not set
CONFIG_NET_VENDOR_3COM=y
-CONFIG_VORTEX=y
+# CONFIG_VORTEX is not set
# CONFIG_TYPHOON is not set
CONFIG_NET_TULIP=y
# CONFIG_DE2104X is not set
-CONFIG_TULIP=y
-# CONFIG_TULIP_MWI is not set
-# CONFIG_TULIP_MMIO is not set
-# CONFIG_TULIP_NAPI is not set
+# CONFIG_TULIP is not set
# CONFIG_DE4X5 is not set
# CONFIG_WINBOND_840 is not set
# CONFIG_DM9102 is not set
# CONFIG_ULI526X is not set
+# CONFIG_PCMCIA_XIRCOM is not set
# CONFIG_HP100 is not set
+# CONFIG_IBM_NEW_EMAC_ZMII is not set
+# CONFIG_IBM_NEW_EMAC_RGMII is not set
+# CONFIG_IBM_NEW_EMAC_TAH is not set
+# CONFIG_IBM_NEW_EMAC_EMAC4 is not set
CONFIG_NET_PCI=y
# CONFIG_PCNET32 is not set
-CONFIG_AMD8111_ETH=y
-# CONFIG_AMD8111E_NAPI is not set
+# CONFIG_AMD8111_ETH is not set
# CONFIG_ADAPTEC_STARFIRE is not set
-CONFIG_B44=y
+# CONFIG_B44 is not set
CONFIG_FORCEDETH=y
# CONFIG_FORCEDETH_NAPI is not set
-# CONFIG_DGRS is not set
# CONFIG_EEPRO100 is not set
CONFIG_E100=y
# CONFIG_FEALNX is not set
# CONFIG_NATSEMI is not set
# CONFIG_NE2K_PCI is not set
-CONFIG_8139CP=y
+# CONFIG_8139CP is not set
CONFIG_8139TOO=y
-# CONFIG_8139TOO_PIO is not set
+CONFIG_8139TOO_PIO=y
# CONFIG_8139TOO_TUNE_TWISTER is not set
# CONFIG_8139TOO_8129 is not set
# CONFIG_8139_OLD_RX_RESET is not set
+# CONFIG_R6040 is not set
# CONFIG_SIS900 is not set
# CONFIG_EPIC100 is not set
# CONFIG_SUNDANCE is not set
@@ -740,34 +948,74 @@ CONFIG_NETDEV_1000=y
CONFIG_E1000=y
# CONFIG_E1000_NAPI is not set
# CONFIG_E1000_DISABLE_PACKET_SPLIT is not set
+# CONFIG_E1000E is not set
+# CONFIG_E1000E_ENABLED is not set
+# CONFIG_IP1000 is not set
+# CONFIG_IGB is not set
# CONFIG_NS83820 is not set
# CONFIG_HAMACHI is not set
# CONFIG_YELLOWFIN is not set
# CONFIG_R8169 is not set
# CONFIG_SIS190 is not set
# CONFIG_SKGE is not set
-# CONFIG_SKY2 is not set
+CONFIG_SKY2=y
+# CONFIG_SKY2_DEBUG is not set
# CONFIG_VIA_VELOCITY is not set
CONFIG_TIGON3=y
-CONFIG_BNX2=y
+# CONFIG_BNX2 is not set
# CONFIG_QLA3XXX is not set
# CONFIG_ATL1 is not set
CONFIG_NETDEV_10000=y
# CONFIG_CHELSIO_T1 is not set
# CONFIG_CHELSIO_T3 is not set
+# CONFIG_IXGBE is not set
# CONFIG_IXGB is not set
-CONFIG_S2IO=m
-# CONFIG_S2IO_NAPI is not set
+# CONFIG_S2IO is not set
# CONFIG_MYRI10GE is not set
# CONFIG_NETXEN_NIC is not set
+# CONFIG_NIU is not set
# CONFIG_MLX4_CORE is not set
-# CONFIG_TR is not set
+# CONFIG_TEHUTI is not set
+# CONFIG_BNX2X is not set
+# CONFIG_SFC is not set
+CONFIG_TR=y
+# CONFIG_IBMOL is not set
+# CONFIG_3C359 is not set
+# CONFIG_TMS380TR is not set
#
# Wireless LAN
#
# CONFIG_WLAN_PRE80211 is not set
-# CONFIG_WLAN_80211 is not set
+CONFIG_WLAN_80211=y
+# CONFIG_PCMCIA_RAYCS is not set
+# CONFIG_IPW2100 is not set
+# CONFIG_IPW2200 is not set
+# CONFIG_LIBERTAS is not set
+# CONFIG_AIRO is not set
+# CONFIG_HERMES is not set
+# CONFIG_ATMEL is not set
+# CONFIG_AIRO_CS is not set
+# CONFIG_PCMCIA_WL3501 is not set
+# CONFIG_PRISM54 is not set
+# CONFIG_USB_ZD1201 is not set
+# CONFIG_USB_NET_RNDIS_WLAN is not set
+# CONFIG_RTL8180 is not set
+# CONFIG_RTL8187 is not set
+# CONFIG_ADM8211 is not set
+# CONFIG_P54_COMMON is not set
+CONFIG_ATH5K=y
+# CONFIG_ATH5K_DEBUG is not set
+# CONFIG_IWLWIFI is not set
+# CONFIG_IWLCORE is not set
+# CONFIG_IWLWIFI_LEDS is not set
+# CONFIG_IWL4965 is not set
+# CONFIG_IWL3945 is not set
+# CONFIG_HOSTAP is not set
+# CONFIG_B43 is not set
+# CONFIG_B43LEGACY is not set
+# CONFIG_ZD1211RW is not set
+# CONFIG_RT2X00 is not set
#
# USB Network Adapters
@@ -776,16 +1024,26 @@ CONFIG_S2IO=m
# CONFIG_USB_KAWETH is not set
# CONFIG_USB_PEGASUS is not set
# CONFIG_USB_RTL8150 is not set
-# CONFIG_USB_USBNET_MII is not set
# CONFIG_USB_USBNET is not set
+CONFIG_NET_PCMCIA=y
+# CONFIG_PCMCIA_3C589 is not set
+# CONFIG_PCMCIA_3C574 is not set
+# CONFIG_PCMCIA_FMVJ18X is not set
+# CONFIG_PCMCIA_PCNET is not set
+# CONFIG_PCMCIA_NMCLAN is not set
+# CONFIG_PCMCIA_SMC91C92 is not set
+# CONFIG_PCMCIA_XIRC2PS is not set
+# CONFIG_PCMCIA_AXNET is not set
# CONFIG_WAN is not set
-# CONFIG_FDDI is not set
+CONFIG_FDDI=y
+# CONFIG_DEFXX is not set
+# CONFIG_SKFP is not set
# CONFIG_HIPPI is not set
# CONFIG_PPP is not set
# CONFIG_SLIP is not set
# CONFIG_NET_FC is not set
-# CONFIG_SHAPER is not set
CONFIG_NETCONSOLE=y
+# CONFIG_NETCONSOLE_DYNAMIC is not set
CONFIG_NETPOLL=y
# CONFIG_NETPOLL_TRAP is not set
CONFIG_NET_POLL_CONTROLLER=y
@@ -796,18 +1054,17 @@ CONFIG_NET_POLL_CONTROLLER=y
# Input device support
#
CONFIG_INPUT=y
-# CONFIG_INPUT_FF_MEMLESS is not set
-# CONFIG_INPUT_POLLDEV is not set
+CONFIG_INPUT_FF_MEMLESS=y
+CONFIG_INPUT_POLLDEV=y
#
# Userland interfaces
#
CONFIG_INPUT_MOUSEDEV=y
-CONFIG_INPUT_MOUSEDEV_PSAUX=y
+# CONFIG_INPUT_MOUSEDEV_PSAUX is not set
CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
# CONFIG_INPUT_JOYDEV is not set
-# CONFIG_INPUT_TSDEV is not set
CONFIG_INPUT_EVDEV=y
# CONFIG_INPUT_EVBUG is not set
@@ -832,17 +1089,62 @@ CONFIG_MOUSE_PS2_TRACKPOINT=y
# CONFIG_MOUSE_SERIAL is not set
# CONFIG_MOUSE_APPLETOUCH is not set
# CONFIG_MOUSE_VSXXXAA is not set
-# CONFIG_INPUT_JOYSTICK is not set
-# CONFIG_INPUT_TABLET is not set
-# CONFIG_INPUT_TOUCHSCREEN is not set
-# CONFIG_INPUT_MISC is not set
+CONFIG_INPUT_JOYSTICK=y
+# CONFIG_JOYSTICK_ANALOG is not set
+# CONFIG_JOYSTICK_A3D is not set
+# CONFIG_JOYSTICK_ADI is not set
+# CONFIG_JOYSTICK_COBRA is not set
+# CONFIG_JOYSTICK_GF2K is not set
+# CONFIG_JOYSTICK_GRIP is not set
+# CONFIG_JOYSTICK_GRIP_MP is not set
+# CONFIG_JOYSTICK_GUILLEMOT is not set
+# CONFIG_JOYSTICK_INTERACT is not set
+# CONFIG_JOYSTICK_SIDEWINDER is not set
+# CONFIG_JOYSTICK_TMDC is not set
+# CONFIG_JOYSTICK_IFORCE is not set
+# CONFIG_JOYSTICK_WARRIOR is not set
+# CONFIG_JOYSTICK_MAGELLAN is not set
+# CONFIG_JOYSTICK_SPACEORB is not set
+# CONFIG_JOYSTICK_SPACEBALL is not set
+# CONFIG_JOYSTICK_STINGER is not set
+# CONFIG_JOYSTICK_TWIDJOY is not set
+# CONFIG_JOYSTICK_ZHENHUA is not set
+# CONFIG_JOYSTICK_JOYDUMP is not set
+# CONFIG_JOYSTICK_XPAD is not set
+CONFIG_INPUT_TABLET=y
+# CONFIG_TABLET_USB_ACECAD is not set
+# CONFIG_TABLET_USB_AIPTEK is not set
+# CONFIG_TABLET_USB_GTCO is not set
+# CONFIG_TABLET_USB_KBTAB is not set
+# CONFIG_TABLET_USB_WACOM is not set
+CONFIG_INPUT_TOUCHSCREEN=y
+# CONFIG_TOUCHSCREEN_FUJITSU is not set
+# CONFIG_TOUCHSCREEN_GUNZE is not set
+# CONFIG_TOUCHSCREEN_ELO is not set
+# CONFIG_TOUCHSCREEN_MTOUCH is not set
+# CONFIG_TOUCHSCREEN_MK712 is not set
+# CONFIG_TOUCHSCREEN_PENMOUNT is not set
+# CONFIG_TOUCHSCREEN_TOUCHRIGHT is not set
+# CONFIG_TOUCHSCREEN_TOUCHWIN is not set
+# CONFIG_TOUCHSCREEN_UCB1400 is not set
+# CONFIG_TOUCHSCREEN_USB_COMPOSITE is not set
+CONFIG_INPUT_MISC=y
+# CONFIG_INPUT_PCSPKR is not set
+# CONFIG_INPUT_APANEL is not set
+# CONFIG_INPUT_ATLAS_BTNS is not set
+# CONFIG_INPUT_ATI_REMOTE is not set
+# CONFIG_INPUT_ATI_REMOTE2 is not set
+# CONFIG_INPUT_KEYSPAN_REMOTE is not set
+# CONFIG_INPUT_POWERMATE is not set
+# CONFIG_INPUT_YEALINK is not set
+# CONFIG_INPUT_UINPUT is not set
#
# Hardware I/O ports
#
CONFIG_SERIO=y
CONFIG_SERIO_I8042=y
-# CONFIG_SERIO_SERPORT is not set
+CONFIG_SERIO_SERPORT=y
# CONFIG_SERIO_CT82C710 is not set
# CONFIG_SERIO_PCIPS2 is not set
CONFIG_SERIO_LIBPS2=y
@@ -855,8 +1157,26 @@ CONFIG_SERIO_LIBPS2=y
CONFIG_VT=y
CONFIG_VT_CONSOLE=y
CONFIG_HW_CONSOLE=y
-# CONFIG_VT_HW_CONSOLE_BINDING is not set
-# CONFIG_SERIAL_NONSTANDARD is not set
+CONFIG_VT_HW_CONSOLE_BINDING=y
+CONFIG_DEVKMEM=y
+CONFIG_SERIAL_NONSTANDARD=y
+# CONFIG_COMPUTONE is not set
+# CONFIG_ROCKETPORT is not set
+# CONFIG_CYCLADES is not set
+# CONFIG_DIGIEPCA is not set
+# CONFIG_MOXA_INTELLIO is not set
+# CONFIG_MOXA_SMARTIO is not set
+# CONFIG_ISI is not set
+# CONFIG_SYNCLINK is not set
+# CONFIG_SYNCLINKMP is not set
+# CONFIG_SYNCLINK_GT is not set
+# CONFIG_N_HDLC is not set
+# CONFIG_RISCOM8 is not set
+# CONFIG_SPECIALIX is not set
+# CONFIG_SX is not set
+# CONFIG_RIO is not set
+# CONFIG_STALDRV is not set
+# CONFIG_NOZOMI is not set
#
# Serial drivers
@@ -866,9 +1186,14 @@ CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_FIX_EARLYCON_MEM=y
CONFIG_SERIAL_8250_PCI=y
CONFIG_SERIAL_8250_PNP=y
-CONFIG_SERIAL_8250_NR_UARTS=4
+# CONFIG_SERIAL_8250_CS is not set
+CONFIG_SERIAL_8250_NR_UARTS=32
CONFIG_SERIAL_8250_RUNTIME_UARTS=4
-# CONFIG_SERIAL_8250_EXTENDED is not set
+CONFIG_SERIAL_8250_EXTENDED=y
+CONFIG_SERIAL_8250_MANY_PORTS=y
+CONFIG_SERIAL_8250_SHARE_IRQ=y
+CONFIG_SERIAL_8250_DETECT_IRQ=y
+CONFIG_SERIAL_8250_RSA=y
#
# Non-8250 serial port support
@@ -877,78 +1202,260 @@ CONFIG_SERIAL_CORE=y
CONFIG_SERIAL_CORE_CONSOLE=y
# CONFIG_SERIAL_JSM is not set
CONFIG_UNIX98_PTYS=y
-CONFIG_LEGACY_PTYS=y
-CONFIG_LEGACY_PTY_COUNT=256
+# CONFIG_LEGACY_PTYS is not set
# CONFIG_IPMI_HANDLER is not set
-# CONFIG_WATCHDOG is not set
CONFIG_HW_RANDOM=y
-CONFIG_HW_RANDOM_INTEL=y
-CONFIG_HW_RANDOM_AMD=y
-# CONFIG_NVRAM is not set
-CONFIG_RTC=y
+# CONFIG_HW_RANDOM_INTEL is not set
+# CONFIG_HW_RANDOM_AMD is not set
+CONFIG_NVRAM=y
# CONFIG_R3964 is not set
# CONFIG_APPLICOM is not set
-CONFIG_AGP=y
-CONFIG_AGP_AMD64=y
-CONFIG_AGP_INTEL=y
-# CONFIG_AGP_SIS is not set
-# CONFIG_AGP_VIA is not set
-# CONFIG_DRM is not set
+
+#
+# PCMCIA character devices
+#
+# CONFIG_SYNCLINK_CS is not set
+# CONFIG_CARDMAN_4000 is not set
+# CONFIG_CARDMAN_4040 is not set
+# CONFIG_IPWIRELESS is not set
# CONFIG_MWAVE is not set
# CONFIG_PC8736x_GPIO is not set
-CONFIG_RAW_DRIVER=y
-CONFIG_MAX_RAW_DEVS=256
+# CONFIG_RAW_DRIVER is not set
CONFIG_HPET=y
# CONFIG_HPET_RTC_IRQ is not set
-CONFIG_HPET_MMAP=y
+# CONFIG_HPET_MMAP is not set
# CONFIG_HANGCHECK_TIMER is not set
# CONFIG_TCG_TPM is not set
# CONFIG_TELCLOCK is not set
CONFIG_DEVPORT=y
-# CONFIG_I2C is not set
-
-#
-# SPI support
-#
+CONFIG_I2C=y
+CONFIG_I2C_BOARDINFO=y
+# CONFIG_I2C_CHARDEV is not set
+
+#
+# I2C Hardware Bus support
+#
+# CONFIG_I2C_ALI1535 is not set
+# CONFIG_I2C_ALI1563 is not set
+# CONFIG_I2C_ALI15X3 is not set
+# CONFIG_I2C_AMD756 is not set
+# CONFIG_I2C_AMD8111 is not set
+CONFIG_I2C_I801=y
+# CONFIG_I2C_I810 is not set
+# CONFIG_I2C_PIIX4 is not set
+# CONFIG_I2C_NFORCE2 is not set
+# CONFIG_I2C_OCORES is not set
+# CONFIG_I2C_PARPORT_LIGHT is not set
+# CONFIG_I2C_PROSAVAGE is not set
+# CONFIG_I2C_SAVAGE4 is not set
+# CONFIG_I2C_SIMTEC is not set
+# CONFIG_I2C_SIS5595 is not set
+# CONFIG_I2C_SIS630 is not set
+# CONFIG_I2C_SIS96X is not set
+# CONFIG_I2C_TAOS_EVM is not set
+# CONFIG_I2C_STUB is not set
+# CONFIG_I2C_TINY_USB is not set
+# CONFIG_I2C_VIA is not set
+# CONFIG_I2C_VIAPRO is not set
+# CONFIG_I2C_VOODOO3 is not set
+# CONFIG_I2C_PCA_PLATFORM is not set
+
+#
+# Miscellaneous I2C Chip support
+#
+# CONFIG_DS1682 is not set
+# CONFIG_SENSORS_EEPROM is not set
+# CONFIG_SENSORS_PCF8574 is not set
+# CONFIG_PCF8575 is not set
+# CONFIG_SENSORS_PCF8591 is not set
+# CONFIG_SENSORS_MAX6875 is not set
+# CONFIG_SENSORS_TSL2550 is not set
+# CONFIG_I2C_DEBUG_CORE is not set
+# CONFIG_I2C_DEBUG_ALGO is not set
+# CONFIG_I2C_DEBUG_BUS is not set
+# CONFIG_I2C_DEBUG_CHIP is not set
# CONFIG_SPI is not set
-# CONFIG_SPI_MASTER is not set
# CONFIG_W1 is not set
-# CONFIG_POWER_SUPPLY is not set
+CONFIG_POWER_SUPPLY=y
+# CONFIG_POWER_SUPPLY_DEBUG is not set
+# CONFIG_PDA_POWER is not set
+# CONFIG_BATTERY_DS2760 is not set
# CONFIG_HWMON is not set
+CONFIG_THERMAL=y
+CONFIG_WATCHDOG=y
+# CONFIG_WATCHDOG_NOWAYOUT is not set
+
+#
+# Watchdog Device Drivers
+#
+# CONFIG_SOFT_WATCHDOG is not set
+# CONFIG_ACQUIRE_WDT is not set
+# CONFIG_ADVANTECH_WDT is not set
+# CONFIG_ALIM1535_WDT is not set
+# CONFIG_ALIM7101_WDT is not set
+# CONFIG_SC520_WDT is not set
+# CONFIG_EUROTECH_WDT is not set
+# CONFIG_IB700_WDT is not set
+# CONFIG_IBMASR is not set
+# CONFIG_WAFER_WDT is not set
+# CONFIG_I6300ESB_WDT is not set
+# CONFIG_ITCO_WDT is not set
+# CONFIG_IT8712F_WDT is not set
+# CONFIG_HP_WATCHDOG is not set
+# CONFIG_SC1200_WDT is not set
+# CONFIG_PC87413_WDT is not set
+# CONFIG_60XX_WDT is not set
+# CONFIG_SBC8360_WDT is not set
+# CONFIG_CPU5_WDT is not set
+# CONFIG_SMSC37B787_WDT is not set
+# CONFIG_W83627HF_WDT is not set
+# CONFIG_W83697HF_WDT is not set
+# CONFIG_W83877F_WDT is not set
+# CONFIG_W83977F_WDT is not set
+# CONFIG_MACHZ_WDT is not set
+# CONFIG_SBC_EPX_C3_WATCHDOG is not set
+
+#
+# PCI-based Watchdog Cards
+#
+# CONFIG_PCIPCWATCHDOG is not set
+# CONFIG_WDTPCI is not set
+
+#
+# USB-based Watchdog Cards
+#
+# CONFIG_USBPCWATCHDOG is not set
+
+#
+# Sonics Silicon Backplane
+#
+CONFIG_SSB_POSSIBLE=y
+# CONFIG_SSB is not set
#
# Multifunction device drivers
#
# CONFIG_MFD_SM501 is not set
+# CONFIG_HTC_PASIC3 is not set
#
# Multimedia devices
#
+
+#
+# Multimedia core support
+#
# CONFIG_VIDEO_DEV is not set
# CONFIG_DVB_CORE is not set
+
+#
+# Multimedia drivers
+#
CONFIG_DAB=y
# CONFIG_USB_DABUSB is not set
#
# Graphics support
#
-# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+CONFIG_AGP=y
+CONFIG_AGP_AMD64=y
+CONFIG_AGP_INTEL=y
+# CONFIG_AGP_SIS is not set
+# CONFIG_AGP_VIA is not set
+CONFIG_DRM=y
+# CONFIG_DRM_TDFX is not set
+# CONFIG_DRM_R128 is not set
+# CONFIG_DRM_RADEON is not set
+# CONFIG_DRM_I810 is not set
+# CONFIG_DRM_I830 is not set
+CONFIG_DRM_I915=y
+# CONFIG_DRM_MGA is not set
+# CONFIG_DRM_SIS is not set
+# CONFIG_DRM_VIA is not set
+# CONFIG_DRM_SAVAGE is not set
+# CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
+CONFIG_FB=y
+# CONFIG_FIRMWARE_EDID is not set
+# CONFIG_FB_DDC is not set
+CONFIG_FB_CFB_FILLRECT=y
+CONFIG_FB_CFB_COPYAREA=y
+CONFIG_FB_CFB_IMAGEBLIT=y
+# CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set
+# CONFIG_FB_SYS_FILLRECT is not set
+# CONFIG_FB_SYS_COPYAREA is not set
+# CONFIG_FB_SYS_IMAGEBLIT is not set
+# CONFIG_FB_FOREIGN_ENDIAN is not set
+# CONFIG_FB_SYS_FOPS is not set
+CONFIG_FB_DEFERRED_IO=y
+# CONFIG_FB_SVGALIB is not set
+# CONFIG_FB_MACMODES is not set
+# CONFIG_FB_BACKLIGHT is not set
+CONFIG_FB_MODE_HELPERS=y
+CONFIG_FB_TILEBLITTING=y
+
+#
+# Frame buffer hardware drivers
+#
+# CONFIG_FB_CIRRUS is not set
+# CONFIG_FB_PM2 is not set
+# CONFIG_FB_CYBER2000 is not set
+# CONFIG_FB_ARC is not set
+# CONFIG_FB_ASILIANT is not set
+# CONFIG_FB_IMSTT is not set
+# CONFIG_FB_VGA16 is not set
+# CONFIG_FB_UVESA is not set
+# CONFIG_FB_VESA is not set
+CONFIG_FB_EFI=y
+# CONFIG_FB_IMAC is not set
+# CONFIG_FB_N411 is not set
+# CONFIG_FB_HGA is not set
+# CONFIG_FB_S1D13XXX is not set
+# CONFIG_FB_NVIDIA is not set
+# CONFIG_FB_RIVA is not set
+# CONFIG_FB_LE80578 is not set
+# CONFIG_FB_INTEL is not set
+# CONFIG_FB_MATROX is not set
+# CONFIG_FB_RADEON is not set
+# CONFIG_FB_ATY128 is not set
+# CONFIG_FB_ATY is not set
+# CONFIG_FB_S3 is not set
+# CONFIG_FB_SAVAGE is not set
+# CONFIG_FB_SIS is not set
+# CONFIG_FB_NEOMAGIC is not set
+# CONFIG_FB_KYRO is not set
+# CONFIG_FB_3DFX is not set
+# CONFIG_FB_VOODOO1 is not set
+# CONFIG_FB_VT8623 is not set
+# CONFIG_FB_TRIDENT is not set
+# CONFIG_FB_ARK is not set
+# CONFIG_FB_PM3 is not set
+# CONFIG_FB_GEODE is not set
+# CONFIG_FB_VIRTUAL is not set
+CONFIG_BACKLIGHT_LCD_SUPPORT=y
+# CONFIG_LCD_CLASS_DEVICE is not set
+CONFIG_BACKLIGHT_CLASS_DEVICE=y
+# CONFIG_BACKLIGHT_CORGI is not set
+# CONFIG_BACKLIGHT_PROGEAR is not set
#
# Display device support
#
# CONFIG_DISPLAY_SUPPORT is not set
-# CONFIG_VGASTATE is not set
-# CONFIG_FB is not set
#
# Console display driver support
#
CONFIG_VGA_CONSOLE=y
CONFIG_VGACON_SOFT_SCROLLBACK=y
-CONFIG_VGACON_SOFT_SCROLLBACK_SIZE=256
+CONFIG_VGACON_SOFT_SCROLLBACK_SIZE=64
CONFIG_VIDEO_SELECT=y
CONFIG_DUMMY_CONSOLE=y
+# CONFIG_FRAMEBUFFER_CONSOLE is not set
+CONFIG_LOGO=y
+# CONFIG_LOGO_LINUX_MONO is not set
+# CONFIG_LOGO_LINUX_VGA16 is not set
+CONFIG_LOGO_LINUX_CLUT224=y
#
# Sound
@@ -958,33 +1465,165 @@ CONFIG_SOUND=y
#
# Advanced Linux Sound Architecture
#
-# CONFIG_SND is not set
+CONFIG_SND=y
+CONFIG_SND_TIMER=y
+CONFIG_SND_PCM=y
+CONFIG_SND_HWDEP=y
+CONFIG_SND_SEQUENCER=y
+CONFIG_SND_SEQ_DUMMY=y
+CONFIG_SND_OSSEMUL=y
+CONFIG_SND_MIXER_OSS=y
+CONFIG_SND_PCM_OSS=y
+CONFIG_SND_PCM_OSS_PLUGINS=y
+CONFIG_SND_SEQUENCER_OSS=y
+CONFIG_SND_DYNAMIC_MINORS=y
+CONFIG_SND_SUPPORT_OLD_API=y
+CONFIG_SND_VERBOSE_PROCFS=y
+# CONFIG_SND_VERBOSE_PRINTK is not set
+# CONFIG_SND_DEBUG is not set
+CONFIG_SND_VMASTER=y
+
+#
+# Generic devices
+#
+# CONFIG_SND_PCSP is not set
+# CONFIG_SND_DUMMY is not set
+# CONFIG_SND_VIRMIDI is not set
+# CONFIG_SND_MTPAV is not set
+# CONFIG_SND_SERIAL_U16550 is not set
+# CONFIG_SND_MPU401 is not set
+
+#
+# PCI devices
+#
+# CONFIG_SND_AD1889 is not set
+# CONFIG_SND_ALS300 is not set
+# CONFIG_SND_ALS4000 is not set
+# CONFIG_SND_ALI5451 is not set
+# CONFIG_SND_ATIIXP is not set
+# CONFIG_SND_ATIIXP_MODEM is not set
+# CONFIG_SND_AU8810 is not set
+# CONFIG_SND_AU8820 is not set
+# CONFIG_SND_AU8830 is not set
+# CONFIG_SND_AW2 is not set
+# CONFIG_SND_AZT3328 is not set
+# CONFIG_SND_BT87X is not set
+# CONFIG_SND_CA0106 is not set
+# CONFIG_SND_CMIPCI is not set
+# CONFIG_SND_OXYGEN is not set
+# CONFIG_SND_CS4281 is not set
+# CONFIG_SND_CS46XX is not set
+# CONFIG_SND_CS5530 is not set
+# CONFIG_SND_DARLA20 is not set
+# CONFIG_SND_GINA20 is not set
+# CONFIG_SND_LAYLA20 is not set
+# CONFIG_SND_DARLA24 is not set
+# CONFIG_SND_GINA24 is not set
+# CONFIG_SND_LAYLA24 is not set
+# CONFIG_SND_MONA is not set
+# CONFIG_SND_MIA is not set
+# CONFIG_SND_ECHO3G is not set
+# CONFIG_SND_INDIGO is not set
+# CONFIG_SND_INDIGOIO is not set
+# CONFIG_SND_INDIGODJ is not set
+# CONFIG_SND_EMU10K1 is not set
+# CONFIG_SND_EMU10K1X is not set
+# CONFIG_SND_ENS1370 is not set
+# CONFIG_SND_ENS1371 is not set
+# CONFIG_SND_ES1938 is not set
+# CONFIG_SND_ES1968 is not set
+# CONFIG_SND_FM801 is not set
+CONFIG_SND_HDA_INTEL=y
+CONFIG_SND_HDA_HWDEP=y
+CONFIG_SND_HDA_CODEC_REALTEK=y
+CONFIG_SND_HDA_CODEC_ANALOG=y
+CONFIG_SND_HDA_CODEC_SIGMATEL=y
+CONFIG_SND_HDA_CODEC_VIA=y
+CONFIG_SND_HDA_CODEC_ATIHDMI=y
+CONFIG_SND_HDA_CODEC_CONEXANT=y
+CONFIG_SND_HDA_CODEC_CMEDIA=y
+CONFIG_SND_HDA_CODEC_SI3054=y
+CONFIG_SND_HDA_GENERIC=y
+# CONFIG_SND_HDA_POWER_SAVE is not set
+# CONFIG_SND_HDSP is not set
+# CONFIG_SND_HDSPM is not set
+# CONFIG_SND_HIFIER is not set
+# CONFIG_SND_ICE1712 is not set
+# CONFIG_SND_ICE1724 is not set
+# CONFIG_SND_INTEL8X0 is not set
+# CONFIG_SND_INTEL8X0M is not set
+# CONFIG_SND_KORG1212 is not set
+# CONFIG_SND_MAESTRO3 is not set
+# CONFIG_SND_MIXART is not set
+# CONFIG_SND_NM256 is not set
+# CONFIG_SND_PCXHR is not set
+# CONFIG_SND_RIPTIDE is not set
+# CONFIG_SND_RME32 is not set
+# CONFIG_SND_RME96 is not set
+# CONFIG_SND_RME9652 is not set
+# CONFIG_SND_SONICVIBES is not set
+# CONFIG_SND_TRIDENT is not set
+# CONFIG_SND_VIA82XX is not set
+# CONFIG_SND_VIA82XX_MODEM is not set
+# CONFIG_SND_VIRTUOSO is not set
+# CONFIG_SND_VX222 is not set
+# CONFIG_SND_YMFPCI is not set
+
+#
+# USB devices
+#
+# CONFIG_SND_USB_AUDIO is not set
+# CONFIG_SND_USB_USX2Y is not set
+# CONFIG_SND_USB_CAIAQ is not set
+
+#
+# PCMCIA devices
+#
+# CONFIG_SND_VXPOCKET is not set
+# CONFIG_SND_PDAUDIOCF is not set
+
+#
+# System on Chip audio support
+#
+# CONFIG_SND_SOC is not set
+
+#
+# ALSA SoC audio for Freescale SOCs
+#
+
+#
+# SoC Audio for the Texas Instruments OMAP
+#
#
# Open Sound System
#
-CONFIG_SOUND_PRIME=y
-# CONFIG_SOUND_TRIDENT is not set
-# CONFIG_SOUND_MSNDCLAS is not set
-# CONFIG_SOUND_MSNDPIN is not set
-# CONFIG_SOUND_OSS is not set
+# CONFIG_SOUND_PRIME is not set
CONFIG_HID_SUPPORT=y
CONFIG_HID=y
-# CONFIG_HID_DEBUG is not set
+CONFIG_HID_DEBUG=y
+CONFIG_HIDRAW=y
#
# USB Input Devices
#
CONFIG_USB_HID=y
-# CONFIG_USB_HIDINPUT_POWERBOOK is not set
-# CONFIG_HID_FF is not set
-# CONFIG_USB_HIDDEV is not set
+CONFIG_USB_HIDINPUT_POWERBOOK=y
+CONFIG_HID_FF=y
+CONFIG_HID_PID=y
+CONFIG_LOGITECH_FF=y
+# CONFIG_LOGIRUMBLEPAD2_FF is not set
+CONFIG_PANTHERLORD_FF=y
+CONFIG_THRUSTMASTER_FF=y
+CONFIG_ZEROPLUS_FF=y
+CONFIG_USB_HIDDEV=y
CONFIG_USB_SUPPORT=y
CONFIG_USB_ARCH_HAS_HCD=y
CONFIG_USB_ARCH_HAS_OHCI=y
CONFIG_USB_ARCH_HAS_EHCI=y
CONFIG_USB=y
-# CONFIG_USB_DEBUG is not set
+CONFIG_USB_DEBUG=y
+CONFIG_USB_ANNOUNCE_NEW_DEVICES=y
#
# Miscellaneous USB options
@@ -992,18 +1631,18 @@ CONFIG_USB=y
CONFIG_USB_DEVICEFS=y
# CONFIG_USB_DEVICE_CLASS is not set
# CONFIG_USB_DYNAMIC_MINORS is not set
-# CONFIG_USB_SUSPEND is not set
-# CONFIG_USB_PERSIST is not set
+CONFIG_USB_SUSPEND=y
# CONFIG_USB_OTG is not set
#
# USB Host Controller Drivers
#
+# CONFIG_USB_C67X00_HCD is not set
CONFIG_USB_EHCI_HCD=y
-# CONFIG_USB_EHCI_SPLIT_ISO is not set
# CONFIG_USB_EHCI_ROOT_HUB_TT is not set
# CONFIG_USB_EHCI_TT_NEWSCHED is not set
# CONFIG_USB_ISP116X_HCD is not set
+# CONFIG_USB_ISP1760_HCD is not set
CONFIG_USB_OHCI_HCD=y
# CONFIG_USB_OHCI_BIG_ENDIAN_DESC is not set
# CONFIG_USB_OHCI_BIG_ENDIAN_MMIO is not set
@@ -1036,8 +1675,10 @@ CONFIG_USB_STORAGE=y
# CONFIG_USB_STORAGE_SDDR55 is not set
# CONFIG_USB_STORAGE_JUMPSHOT is not set
# CONFIG_USB_STORAGE_ALAUDA is not set
+# CONFIG_USB_STORAGE_ONETOUCH is not set
# CONFIG_USB_STORAGE_KARMA is not set
-# CONFIG_USB_LIBUSUAL is not set
+# CONFIG_USB_STORAGE_CYPRESS_ATACB is not set
+CONFIG_USB_LIBUSUAL=y
#
# USB Imaging devices
@@ -1049,10 +1690,6 @@ CONFIG_USB_MON=y
#
# USB port drivers
#
-
-#
-# USB Serial Converter support
-#
# CONFIG_USB_SERIAL is not set
#
@@ -1078,98 +1715,126 @@ CONFIG_USB_MON=y
# CONFIG_USB_TRANCEVIBRATOR is not set
# CONFIG_USB_IOWARRIOR is not set
# CONFIG_USB_TEST is not set
+# CONFIG_USB_GADGET is not set
+# CONFIG_MMC is not set
+# CONFIG_MEMSTICK is not set
+CONFIG_NEW_LEDS=y
+CONFIG_LEDS_CLASS=y
#
-# USB DSL modem support
+# LED drivers
#
+# CONFIG_LEDS_CLEVO_MAIL is not set
#
-# USB Gadget Support
+# LED Triggers
#
-# CONFIG_USB_GADGET is not set
-# CONFIG_MMC is not set
+CONFIG_LEDS_TRIGGERS=y
+# CONFIG_LEDS_TRIGGER_TIMER is not set
+# CONFIG_LEDS_TRIGGER_HEARTBEAT is not set
+# CONFIG_LEDS_TRIGGER_DEFAULT_ON is not set
+# CONFIG_ACCESSIBILITY is not set
+# CONFIG_INFINIBAND is not set
+CONFIG_EDAC=y
#
-# LED devices
+# Reporting subsystems
#
-# CONFIG_NEW_LEDS is not set
+# CONFIG_EDAC_DEBUG is not set
+# CONFIG_EDAC_MM_EDAC is not set
+CONFIG_RTC_LIB=y
+CONFIG_RTC_CLASS=y
+# CONFIG_RTC_HCTOSYS is not set
+# CONFIG_RTC_DEBUG is not set
#
-# LED drivers
+# RTC interfaces
#
+CONFIG_RTC_INTF_SYSFS=y
+CONFIG_RTC_INTF_PROC=y
+CONFIG_RTC_INTF_DEV=y
+# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set
+# CONFIG_RTC_DRV_TEST is not set
#
-# LED Triggers
+# I2C RTC drivers
#
-# CONFIG_INFINIBAND is not set
-# CONFIG_EDAC is not set
+# CONFIG_RTC_DRV_DS1307 is not set
+# CONFIG_RTC_DRV_DS1374 is not set
+# CONFIG_RTC_DRV_DS1672 is not set
+# CONFIG_RTC_DRV_MAX6900 is not set
+# CONFIG_RTC_DRV_RS5C372 is not set
+# CONFIG_RTC_DRV_ISL1208 is not set
+# CONFIG_RTC_DRV_X1205 is not set
+# CONFIG_RTC_DRV_PCF8563 is not set
+# CONFIG_RTC_DRV_PCF8583 is not set
+# CONFIG_RTC_DRV_M41T80 is not set
+# CONFIG_RTC_DRV_S35390A is not set
#
-# Real Time Clock
+# SPI RTC drivers
#
-# CONFIG_RTC_CLASS is not set
#
-# DMA Engine support
+# Platform RTC drivers
#
-# CONFIG_DMA_ENGINE is not set
+CONFIG_RTC_DRV_CMOS=y
+# CONFIG_RTC_DRV_DS1511 is not set
+# CONFIG_RTC_DRV_DS1553 is not set
+# CONFIG_RTC_DRV_DS1742 is not set
+# CONFIG_RTC_DRV_STK17TA8 is not set
+# CONFIG_RTC_DRV_M48T86 is not set
+# CONFIG_RTC_DRV_M48T59 is not set
+# CONFIG_RTC_DRV_V3020 is not set
#
-# DMA Clients
+# on-CPU RTC drivers
#
+CONFIG_DMADEVICES=y
#
# DMA Devices
#
-CONFIG_VIRTUALIZATION=y
-# CONFIG_KVM is not set
-
-#
-# Userspace I/O
-#
+# CONFIG_INTEL_IOATDMA is not set
# CONFIG_UIO is not set
#
# Firmware Drivers
#
# CONFIG_EDD is not set
+CONFIG_EFI_VARS=y
# CONFIG_DELL_RBU is not set
# CONFIG_DCDBAS is not set
CONFIG_DMIID=y
+# CONFIG_ISCSI_IBFT_FIND is not set
#
# File systems
#
-CONFIG_EXT2_FS=y
-CONFIG_EXT2_FS_XATTR=y
-CONFIG_EXT2_FS_POSIX_ACL=y
-# CONFIG_EXT2_FS_SECURITY is not set
-# CONFIG_EXT2_FS_XIP is not set
+# CONFIG_EXT2_FS is not set
CONFIG_EXT3_FS=y
CONFIG_EXT3_FS_XATTR=y
CONFIG_EXT3_FS_POSIX_ACL=y
-# CONFIG_EXT3_FS_SECURITY is not set
+CONFIG_EXT3_FS_SECURITY=y
# CONFIG_EXT4DEV_FS is not set
CONFIG_JBD=y
# CONFIG_JBD_DEBUG is not set
CONFIG_FS_MBCACHE=y
-CONFIG_REISERFS_FS=y
-# CONFIG_REISERFS_CHECK is not set
-# CONFIG_REISERFS_PROC_INFO is not set
-CONFIG_REISERFS_FS_XATTR=y
-CONFIG_REISERFS_FS_POSIX_ACL=y
-# CONFIG_REISERFS_FS_SECURITY is not set
+# CONFIG_REISERFS_FS is not set
# CONFIG_JFS_FS is not set
CONFIG_FS_POSIX_ACL=y
# CONFIG_XFS_FS is not set
# CONFIG_GFS2_FS is not set
# CONFIG_OCFS2_FS is not set
-# CONFIG_MINIX_FS is not set
-# CONFIG_ROMFS_FS is not set
+CONFIG_DNOTIFY=y
CONFIG_INOTIFY=y
CONFIG_INOTIFY_USER=y
-# CONFIG_QUOTA is not set
-CONFIG_DNOTIFY=y
+CONFIG_QUOTA=y
+CONFIG_QUOTA_NETLINK_INTERFACE=y
+# CONFIG_PRINT_QUOTA_WARNING is not set
+# CONFIG_QFMT_V1 is not set
+CONFIG_QFMT_V2=y
+CONFIG_QUOTACTL=y
# CONFIG_AUTOFS_FS is not set
CONFIG_AUTOFS4_FS=y
# CONFIG_FUSE_FS is not set
@@ -1180,7 +1845,7 @@ CONFIG_GENERIC_ACL=y
#
CONFIG_ISO9660_FS=y
CONFIG_JOLIET=y
-# CONFIG_ZISOFS is not set
+CONFIG_ZISOFS=y
# CONFIG_UDF_FS is not set
#
@@ -1198,13 +1863,13 @@ CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
#
CONFIG_PROC_FS=y
CONFIG_PROC_KCORE=y
+CONFIG_PROC_VMCORE=y
CONFIG_PROC_SYSCTL=y
CONFIG_SYSFS=y
CONFIG_TMPFS=y
CONFIG_TMPFS_POSIX_ACL=y
CONFIG_HUGETLBFS=y
CONFIG_HUGETLB_PAGE=y
-CONFIG_RAMFS=y
# CONFIG_CONFIGFS_FS is not set
#
@@ -1212,6 +1877,7 @@ CONFIG_RAMFS=y
#
# CONFIG_ADFS_FS is not set
# CONFIG_AFFS_FS is not set
+# CONFIG_ECRYPT_FS is not set
# CONFIG_HFS_FS is not set
# CONFIG_HFSPLUS_FS is not set
# CONFIG_BEFS_FS is not set
@@ -1219,33 +1885,15 @@ CONFIG_RAMFS=y
# CONFIG_EFS_FS is not set
# CONFIG_CRAMFS is not set
# CONFIG_VXFS_FS is not set
+# CONFIG_MINIX_FS is not set
# CONFIG_HPFS_FS is not set
# CONFIG_QNX4FS_FS is not set
+# CONFIG_ROMFS_FS is not set
# CONFIG_SYSV_FS is not set
# CONFIG_UFS_FS is not set
-
-#
-# Network File Systems
-#
-CONFIG_NFS_FS=y
-CONFIG_NFS_V3=y
-# CONFIG_NFS_V3_ACL is not set
-# CONFIG_NFS_V4 is not set
-# CONFIG_NFS_DIRECTIO is not set
-CONFIG_NFSD=y
-CONFIG_NFSD_V3=y
-# CONFIG_NFSD_V3_ACL is not set
-# CONFIG_NFSD_V4 is not set
-CONFIG_NFSD_TCP=y
-CONFIG_ROOT_NFS=y
-CONFIG_LOCKD=y
-CONFIG_LOCKD_V4=y
-CONFIG_EXPORTFS=y
-CONFIG_NFS_COMMON=y
-CONFIG_SUNRPC=y
-# CONFIG_SUNRPC_BIND34 is not set
-# CONFIG_RPCSEC_GSS_KRB5 is not set
-# CONFIG_RPCSEC_GSS_SPKM3 is not set
+CONFIG_NETWORK_FILESYSTEMS=y
+# CONFIG_NFS_FS is not set
+# CONFIG_NFSD is not set
# CONFIG_SMB_FS is not set
# CONFIG_CIFS is not set
# CONFIG_NCP_FS is not set
@@ -1255,14 +1903,26 @@ CONFIG_SUNRPC=y
#
# Partition Types
#
-# CONFIG_PARTITION_ADVANCED is not set
+CONFIG_PARTITION_ADVANCED=y
+# CONFIG_ACORN_PARTITION is not set
+CONFIG_OSF_PARTITION=y
+CONFIG_AMIGA_PARTITION=y
+# CONFIG_ATARI_PARTITION is not set
+CONFIG_MAC_PARTITION=y
CONFIG_MSDOS_PARTITION=y
-
-#
-# Native Language Support
-#
+CONFIG_BSD_DISKLABEL=y
+CONFIG_MINIX_SUBPARTITION=y
+CONFIG_SOLARIS_X86_PARTITION=y
+CONFIG_UNIXWARE_DISKLABEL=y
+# CONFIG_LDM_PARTITION is not set
+CONFIG_SGI_PARTITION=y
+# CONFIG_ULTRIX_PARTITION is not set
+CONFIG_SUN_PARTITION=y
+CONFIG_KARMA_PARTITION=y
+CONFIG_EFI_PARTITION=y
+# CONFIG_SYSV68_PARTITION is not set
CONFIG_NLS=y
-CONFIG_NLS_DEFAULT="iso8859-1"
+CONFIG_NLS_DEFAULT="utf8"
CONFIG_NLS_CODEPAGE_437=y
# CONFIG_NLS_CODEPAGE_737 is not set
# CONFIG_NLS_CODEPAGE_775 is not set
@@ -1297,40 +1957,33 @@ CONFIG_NLS_ISO8859_1=y
# CONFIG_NLS_ISO8859_9 is not set
# CONFIG_NLS_ISO8859_13 is not set
# CONFIG_NLS_ISO8859_14 is not set
-CONFIG_NLS_ISO8859_15=y
+# CONFIG_NLS_ISO8859_15 is not set
# CONFIG_NLS_KOI8_R is not set
# CONFIG_NLS_KOI8_U is not set
CONFIG_NLS_UTF8=y
-
-#
-# Distributed Lock Manager
-#
# CONFIG_DLM is not set
#
-# Instrumentation Support
-#
-CONFIG_PROFILING=y
-CONFIG_OPROFILE=y
-CONFIG_KPROBES=y
-
-#
# Kernel hacking
#
CONFIG_TRACE_IRQFLAGS_SUPPORT=y
# CONFIG_PRINTK_TIME is not set
+# CONFIG_ENABLE_WARN_DEPRECATED is not set
# CONFIG_ENABLE_MUST_CHECK is not set
+CONFIG_FRAME_WARN=2048
CONFIG_MAGIC_SYSRQ=y
-CONFIG_UNUSED_SYMBOLS=y
+# CONFIG_UNUSED_SYMBOLS is not set
CONFIG_DEBUG_FS=y
# CONFIG_HEADERS_CHECK is not set
CONFIG_DEBUG_KERNEL=y
# CONFIG_DEBUG_SHIRQ is not set
-CONFIG_DETECT_SOFTLOCKUP=y
+# CONFIG_DETECT_SOFTLOCKUP is not set
# CONFIG_SCHED_DEBUG is not set
-# CONFIG_SCHEDSTATS is not set
+CONFIG_SCHEDSTATS=y
CONFIG_TIMER_STATS=y
-# CONFIG_DEBUG_SLAB is not set
+# CONFIG_DEBUG_OBJECTS is not set
+# CONFIG_SLUB_DEBUG_ON is not set
+# CONFIG_SLUB_STATS is not set
# CONFIG_DEBUG_RT_MUTEXES is not set
# CONFIG_RT_MUTEX_TESTER is not set
# CONFIG_DEBUG_SPINLOCK is not set
@@ -1344,28 +1997,162 @@ CONFIG_TIMER_STATS=y
CONFIG_DEBUG_BUGVERBOSE=y
# CONFIG_DEBUG_INFO is not set
# CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_WRITECOUNT is not set
# CONFIG_DEBUG_LIST is not set
-# CONFIG_FRAME_POINTER is not set
-CONFIG_OPTIMIZE_INLINING=y
+# CONFIG_DEBUG_SG is not set
+CONFIG_FRAME_POINTER=y
+# CONFIG_BOOT_PRINTK_DELAY is not set
# CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_KPROBES_SANITY_TEST is not set
+# CONFIG_BACKTRACE_SELF_TEST is not set
# CONFIG_LKDTM is not set
# CONFIG_FAULT_INJECTION is not set
-# CONFIG_DEBUG_RODATA is not set
-# CONFIG_IOMMU_DEBUG is not set
+# CONFIG_LATENCYTOP is not set
+CONFIG_PROVIDE_OHCI1394_DMA_INIT=y
+# CONFIG_SAMPLES is not set
+# CONFIG_KGDB is not set
+CONFIG_HAVE_ARCH_KGDB=y
+# CONFIG_NONPROMISC_DEVMEM is not set
+CONFIG_EARLY_PRINTK=y
CONFIG_DEBUG_STACKOVERFLOW=y
-# CONFIG_DEBUG_STACK_USAGE is not set
+CONFIG_DEBUG_STACK_USAGE=y
+# CONFIG_DEBUG_PAGEALLOC is not set
+# CONFIG_DEBUG_PER_CPU_MAPS is not set
+# CONFIG_X86_PTDUMP is not set
+CONFIG_DEBUG_RODATA=y
+# CONFIG_DIRECT_GBPAGES is not set
+# CONFIG_DEBUG_RODATA_TEST is not set
+CONFIG_DEBUG_NX_TEST=m
+CONFIG_X86_MPPARSE=y
+# CONFIG_IOMMU_DEBUG is not set
+CONFIG_IO_DELAY_TYPE_0X80=0
+CONFIG_IO_DELAY_TYPE_0XED=1
+CONFIG_IO_DELAY_TYPE_UDELAY=2
+CONFIG_IO_DELAY_TYPE_NONE=3
+CONFIG_IO_DELAY_0X80=y
+# CONFIG_IO_DELAY_0XED is not set
+# CONFIG_IO_DELAY_UDELAY is not set
+# CONFIG_IO_DELAY_NONE is not set
+CONFIG_DEFAULT_IO_DELAY_TYPE=0
+CONFIG_DEBUG_BOOT_PARAMS=y
+# CONFIG_CPA_DEBUG is not set
#
# Security options
#
-# CONFIG_KEYS is not set
-# CONFIG_SECURITY is not set
-# CONFIG_CRYPTO is not set
+CONFIG_KEYS=y
+CONFIG_KEYS_DEBUG_PROC_KEYS=y
+CONFIG_SECURITY=y
+CONFIG_SECURITY_NETWORK=y
+# CONFIG_SECURITY_NETWORK_XFRM is not set
+CONFIG_SECURITY_CAPABILITIES=y
+CONFIG_SECURITY_FILE_CAPABILITIES=y
+# CONFIG_SECURITY_ROOTPLUG is not set
+CONFIG_SECURITY_DEFAULT_MMAP_MIN_ADDR=65536
+CONFIG_SECURITY_SELINUX=y
+CONFIG_SECURITY_SELINUX_BOOTPARAM=y
+CONFIG_SECURITY_SELINUX_BOOTPARAM_VALUE=1
+CONFIG_SECURITY_SELINUX_DISABLE=y
+CONFIG_SECURITY_SELINUX_DEVELOP=y
+CONFIG_SECURITY_SELINUX_AVC_STATS=y
+CONFIG_SECURITY_SELINUX_CHECKREQPROT_VALUE=1
+# CONFIG_SECURITY_SELINUX_ENABLE_SECMARK_DEFAULT is not set
+# CONFIG_SECURITY_SELINUX_POLICYDB_VERSION_MAX is not set
+# CONFIG_SECURITY_SMACK is not set
+CONFIG_CRYPTO=y
+
+#
+# Crypto core or helper
+#
+CONFIG_CRYPTO_ALGAPI=y
+CONFIG_CRYPTO_AEAD=y
+CONFIG_CRYPTO_BLKCIPHER=y
+CONFIG_CRYPTO_HASH=y
+CONFIG_CRYPTO_MANAGER=y
+# CONFIG_CRYPTO_GF128MUL is not set
+# CONFIG_CRYPTO_NULL is not set
+# CONFIG_CRYPTO_CRYPTD is not set
+CONFIG_CRYPTO_AUTHENC=y
+# CONFIG_CRYPTO_TEST is not set
+
+#
+# Authenticated Encryption with Associated Data
+#
+# CONFIG_CRYPTO_CCM is not set
+# CONFIG_CRYPTO_GCM is not set
+# CONFIG_CRYPTO_SEQIV is not set
+
+#
+# Block modes
+#
+CONFIG_CRYPTO_CBC=y
+# CONFIG_CRYPTO_CTR is not set
+# CONFIG_CRYPTO_CTS is not set
+CONFIG_CRYPTO_ECB=y
+# CONFIG_CRYPTO_LRW is not set
+# CONFIG_CRYPTO_PCBC is not set
+# CONFIG_CRYPTO_XTS is not set
+
+#
+# Hash modes
+#
+CONFIG_CRYPTO_HMAC=y
+# CONFIG_CRYPTO_XCBC is not set
+
+#
+# Digest
+#
+# CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_MD4 is not set
+CONFIG_CRYPTO_MD5=y
+# CONFIG_CRYPTO_MICHAEL_MIC is not set
+CONFIG_CRYPTO_SHA1=y
+# CONFIG_CRYPTO_SHA256 is not set
+# CONFIG_CRYPTO_SHA512 is not set
+# CONFIG_CRYPTO_TGR192 is not set
+# CONFIG_CRYPTO_WP512 is not set
+
+#
+# Ciphers
+#
+CONFIG_CRYPTO_AES=y
+# CONFIG_CRYPTO_AES_X86_64 is not set
+# CONFIG_CRYPTO_ANUBIS is not set
+CONFIG_CRYPTO_ARC4=y
+# CONFIG_CRYPTO_BLOWFISH is not set
+# CONFIG_CRYPTO_CAMELLIA is not set
+# CONFIG_CRYPTO_CAST5 is not set
+# CONFIG_CRYPTO_CAST6 is not set
+CONFIG_CRYPTO_DES=y
+# CONFIG_CRYPTO_FCRYPT is not set
+# CONFIG_CRYPTO_KHAZAD is not set
+# CONFIG_CRYPTO_SALSA20 is not set
+# CONFIG_CRYPTO_SALSA20_X86_64 is not set
+# CONFIG_CRYPTO_SEED is not set
+# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_TEA is not set
+# CONFIG_CRYPTO_TWOFISH is not set
+# CONFIG_CRYPTO_TWOFISH_X86_64 is not set
+
+#
+# Compression
+#
+# CONFIG_CRYPTO_DEFLATE is not set
+# CONFIG_CRYPTO_LZO is not set
+CONFIG_CRYPTO_HW=y
+# CONFIG_CRYPTO_DEV_HIFN_795X is not set
+CONFIG_HAVE_KVM=y
+CONFIG_VIRTUALIZATION=y
+# CONFIG_KVM is not set
+# CONFIG_VIRTIO_PCI is not set
+# CONFIG_VIRTIO_BALLOON is not set
#
# Library routines
#
CONFIG_BITREVERSE=y
+CONFIG_GENERIC_FIND_FIRST_BIT=y
+CONFIG_GENERIC_FIND_NEXT_BIT=y
# CONFIG_CRC_CCITT is not set
# CONFIG_CRC16 is not set
# CONFIG_CRC_ITU_T is not set
diff --git a/arch/x86/ia32/ia32entry.S b/arch/x86/ia32/ia32entry.S
index b5e329da166..20371d0635e 100644
--- a/arch/x86/ia32/ia32entry.S
+++ b/arch/x86/ia32/ia32entry.S
@@ -61,6 +61,19 @@
CFI_UNDEFINED r15
.endm
+#ifdef CONFIG_PARAVIRT
+ENTRY(native_usergs_sysret32)
+ swapgs
+ sysretl
+ENDPROC(native_usergs_sysret32)
+
+ENTRY(native_irq_enable_sysexit)
+ swapgs
+ sti
+ sysexit
+ENDPROC(native_irq_enable_sysexit)
+#endif
+
/*
* 32bit SYSENTER instruction entry.
*
@@ -85,14 +98,14 @@ ENTRY(ia32_sysenter_target)
CFI_SIGNAL_FRAME
CFI_DEF_CFA rsp,0
CFI_REGISTER rsp,rbp
- swapgs
+ SWAPGS_UNSAFE_STACK
movq %gs:pda_kernelstack, %rsp
addq $(PDA_STACKOFFSET),%rsp
/*
* No need to follow this irqs on/off section: the syscall
* disabled irqs, here we enable it straight after entry:
*/
- sti
+ ENABLE_INTERRUPTS(CLBR_NONE)
movl %ebp,%ebp /* zero extension */
pushq $__USER32_DS
CFI_ADJUST_CFA_OFFSET 8
@@ -103,7 +116,7 @@ ENTRY(ia32_sysenter_target)
pushfq
CFI_ADJUST_CFA_OFFSET 8
/*CFI_REL_OFFSET rflags,0*/
- movl 8*3-THREAD_SIZE+threadinfo_sysenter_return(%rsp), %r10d
+ movl 8*3-THREAD_SIZE+TI_sysenter_return(%rsp), %r10d
CFI_REGISTER rip,r10
pushq $__USER32_CS
CFI_ADJUST_CFA_OFFSET 8
@@ -123,8 +136,9 @@ ENTRY(ia32_sysenter_target)
.quad 1b,ia32_badarg
.previous
GET_THREAD_INFO(%r10)
- orl $TS_COMPAT,threadinfo_status(%r10)
- testl $(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SECCOMP),threadinfo_flags(%r10)
+ orl $TS_COMPAT,TI_status(%r10)
+ testl $(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SECCOMP), \
+ TI_flags(%r10)
CFI_REMEMBER_STATE
jnz sysenter_tracesys
sysenter_do_call:
@@ -134,11 +148,11 @@ sysenter_do_call:
call *ia32_sys_call_table(,%rax,8)
movq %rax,RAX-ARGOFFSET(%rsp)
GET_THREAD_INFO(%r10)
- cli
+ DISABLE_INTERRUPTS(CLBR_NONE)
TRACE_IRQS_OFF
- testl $_TIF_ALLWORK_MASK,threadinfo_flags(%r10)
+ testl $_TIF_ALLWORK_MASK,TI_flags(%r10)
jnz int_ret_from_sys_call
- andl $~TS_COMPAT,threadinfo_status(%r10)
+ andl $~TS_COMPAT,TI_status(%r10)
/* clear IF, that popfq doesn't enable interrupts early */
andl $~0x200,EFLAGS-R11(%rsp)
movl RIP-R11(%rsp),%edx /* User %eip */
@@ -151,10 +165,7 @@ sysenter_do_call:
CFI_ADJUST_CFA_OFFSET -8
CFI_REGISTER rsp,rcx
TRACE_IRQS_ON
- swapgs
- sti /* sti only takes effect after the next instruction */
- /* sysexit */
- .byte 0xf, 0x35
+ ENABLE_INTERRUPTS_SYSEXIT32
sysenter_tracesys:
CFI_RESTORE_STATE
@@ -200,7 +211,7 @@ ENTRY(ia32_cstar_target)
CFI_DEF_CFA rsp,PDA_STACKOFFSET
CFI_REGISTER rip,rcx
/*CFI_REGISTER rflags,r11*/
- swapgs
+ SWAPGS_UNSAFE_STACK
movl %esp,%r8d
CFI_REGISTER rsp,r8
movq %gs:pda_kernelstack,%rsp
@@ -208,7 +219,7 @@ ENTRY(ia32_cstar_target)
* No need to follow this irqs on/off section: the syscall
* disabled irqs and here we enable it straight after entry:
*/
- sti
+ ENABLE_INTERRUPTS(CLBR_NONE)
SAVE_ARGS 8,1,1
movl %eax,%eax /* zero extension */
movq %rax,ORIG_RAX-ARGOFFSET(%rsp)
@@ -230,8 +241,9 @@ ENTRY(ia32_cstar_target)
.quad 1b,ia32_badarg
.previous
GET_THREAD_INFO(%r10)
- orl $TS_COMPAT,threadinfo_status(%r10)
- testl $(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SECCOMP),threadinfo_flags(%r10)
+ orl $TS_COMPAT,TI_status(%r10)
+ testl $(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SECCOMP), \
+ TI_flags(%r10)
CFI_REMEMBER_STATE
jnz cstar_tracesys
cstar_do_call:
@@ -241,11 +253,11 @@ cstar_do_call:
call *ia32_sys_call_table(,%rax,8)
movq %rax,RAX-ARGOFFSET(%rsp)
GET_THREAD_INFO(%r10)
- cli
+ DISABLE_INTERRUPTS(CLBR_NONE)
TRACE_IRQS_OFF
- testl $_TIF_ALLWORK_MASK,threadinfo_flags(%r10)
+ testl $_TIF_ALLWORK_MASK,TI_flags(%r10)
jnz int_ret_from_sys_call
- andl $~TS_COMPAT,threadinfo_status(%r10)
+ andl $~TS_COMPAT,TI_status(%r10)
RESTORE_ARGS 1,-ARG_SKIP,1,1,1
movl RIP-ARGOFFSET(%rsp),%ecx
CFI_REGISTER rip,rcx
@@ -254,8 +266,7 @@ cstar_do_call:
TRACE_IRQS_ON
movl RSP-ARGOFFSET(%rsp),%esp
CFI_RESTORE rsp
- swapgs
- sysretl
+ USERGS_SYSRET32
cstar_tracesys:
CFI_RESTORE_STATE
@@ -310,12 +321,12 @@ ENTRY(ia32_syscall)
/*CFI_REL_OFFSET rflags,EFLAGS-RIP*/
/*CFI_REL_OFFSET cs,CS-RIP*/
CFI_REL_OFFSET rip,RIP-RIP
- swapgs
+ SWAPGS
/*
* No need to follow this irqs on/off section: the syscall
* disabled irqs and here we enable it straight after entry:
*/
- sti
+ ENABLE_INTERRUPTS(CLBR_NONE)
movl %eax,%eax
pushq %rax
CFI_ADJUST_CFA_OFFSET 8
@@ -324,8 +335,9 @@ ENTRY(ia32_syscall)
this could be a problem. */
SAVE_ARGS 0,0,1
GET_THREAD_INFO(%r10)
- orl $TS_COMPAT,threadinfo_status(%r10)
- testl $(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SECCOMP),threadinfo_flags(%r10)
+ orl $TS_COMPAT,TI_status(%r10)
+ testl $(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SECCOMP), \
+ TI_flags(%r10)
jnz ia32_tracesys
ia32_do_syscall:
cmpl $(IA32_NR_syscalls-1),%eax
@@ -370,13 +382,11 @@ quiet_ni_syscall:
PTREGSCALL stub32_rt_sigreturn, sys32_rt_sigreturn, %rdi
PTREGSCALL stub32_sigreturn, sys32_sigreturn, %rdi
PTREGSCALL stub32_sigaltstack, sys32_sigaltstack, %rdx
- PTREGSCALL stub32_sigsuspend, sys32_sigsuspend, %rcx
PTREGSCALL stub32_execve, sys32_execve, %rcx
PTREGSCALL stub32_fork, sys_fork, %rdi
PTREGSCALL stub32_clone, sys32_clone, %rdx
PTREGSCALL stub32_vfork, sys_vfork, %rdi
PTREGSCALL stub32_iopl, sys_iopl, %rsi
- PTREGSCALL stub32_rt_sigsuspend, sys_rt_sigsuspend, %rdx
ENTRY(ia32_ptregs_common)
popq %r11
@@ -476,7 +486,7 @@ ia32_sys_call_table:
.quad sys_ssetmask
.quad sys_setreuid16 /* 70 */
.quad sys_setregid16
- .quad stub32_sigsuspend
+ .quad sys32_sigsuspend
.quad compat_sys_sigpending
.quad sys_sethostname
.quad compat_sys_setrlimit /* 75 */
@@ -583,7 +593,7 @@ ia32_sys_call_table:
.quad sys32_rt_sigpending
.quad compat_sys_rt_sigtimedwait
.quad sys32_rt_sigqueueinfo
- .quad stub32_rt_sigsuspend
+ .quad sys_rt_sigsuspend
.quad sys32_pread /* 180 */
.quad sys32_pwrite
.quad sys_chown16
diff --git a/arch/x86/kernel/.gitignore b/arch/x86/kernel/.gitignore
index 4ea38a39aed..08f4fd73146 100644
--- a/arch/x86/kernel/.gitignore
+++ b/arch/x86/kernel/.gitignore
@@ -1,2 +1,3 @@
vsyscall.lds
vsyscall_32.lds
+vmlinux.lds
diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile
index 77807d4769c..5112c84f542 100644
--- a/arch/x86/kernel/Makefile
+++ b/arch/x86/kernel/Makefile
@@ -2,10 +2,17 @@
# Makefile for the linux kernel.
#
-extra-y := head_$(BITS).o head$(BITS).o init_task.o vmlinux.lds
+extra-y := head_$(BITS).o head$(BITS).o head.o init_task.o vmlinux.lds
CPPFLAGS_vmlinux.lds += -U$(UTS_MACHINE)
+ifdef CONFIG_FTRACE
+# Do not profile debug utilities
+CFLAGS_REMOVE_tsc_64.o = -pg
+CFLAGS_REMOVE_tsc_32.o = -pg
+CFLAGS_REMOVE_rtc.o = -pg
+endif
+
#
# vsyscalls (which work on the user stack) should have
# no stack-protector checks:
@@ -13,20 +20,21 @@ CPPFLAGS_vmlinux.lds += -U$(UTS_MACHINE)
nostackp := $(call cc-option, -fno-stack-protector)
CFLAGS_vsyscall_64.o := $(PROFILING) -g0 $(nostackp)
CFLAGS_hpet.o := $(nostackp)
-CFLAGS_tsc_64.o := $(nostackp)
+CFLAGS_tsc.o := $(nostackp)
obj-y := process_$(BITS).o signal_$(BITS).o entry_$(BITS).o
obj-y += traps_$(BITS).o irq_$(BITS).o
obj-y += time_$(BITS).o ioport.o ldt.o
-obj-y += setup_$(BITS).o i8259_$(BITS).o setup.o
+obj-y += setup.o i8259.o irqinit_$(BITS).o setup_percpu.o
+obj-$(CONFIG_X86_VISWS) += visws_quirks.o
+obj-$(CONFIG_X86_32) += probe_roms_32.o
obj-$(CONFIG_X86_32) += sys_i386_32.o i386_ksyms_32.o
obj-$(CONFIG_X86_64) += sys_x86_64.o x8664_ksyms_64.o
-obj-$(CONFIG_X86_64) += syscall_64.o vsyscall_64.o setup64.o
-obj-y += bootflag.o e820_$(BITS).o
+obj-$(CONFIG_X86_64) += syscall_64.o vsyscall_64.o
+obj-y += bootflag.o e820.o
obj-y += pci-dma.o quirks.o i8237.o topology.o kdebugfs.o
obj-y += alternative.o i8253.o pci-nommu.o
-obj-$(CONFIG_X86_64) += bugs_64.o
-obj-y += tsc_$(BITS).o io_delay.o rtc.o
+obj-y += tsc.o io_delay.o rtc.o
obj-$(CONFIG_X86_TRAMPOLINE) += trampoline.o
obj-y += process.o
@@ -53,9 +61,10 @@ obj-$(CONFIG_X86_32_SMP) += smpcommon.o
obj-$(CONFIG_X86_64_SMP) += tsc_sync.o smpcommon.o
obj-$(CONFIG_X86_TRAMPOLINE) += trampoline_$(BITS).o
obj-$(CONFIG_X86_MPPARSE) += mpparse.o
-obj-$(CONFIG_X86_LOCAL_APIC) += apic_$(BITS).o nmi_$(BITS).o
+obj-$(CONFIG_X86_LOCAL_APIC) += apic_$(BITS).o nmi.o
obj-$(CONFIG_X86_IO_APIC) += io_apic_$(BITS).o
obj-$(CONFIG_X86_REBOOTFIXUPS) += reboot_fixups_32.o
+obj-$(CONFIG_DYNAMIC_FTRACE) += ftrace.o
obj-$(CONFIG_KEXEC) += machine_kexec_$(BITS).o
obj-$(CONFIG_KEXEC) += relocate_kernel_$(BITS).o crash.o
obj-$(CONFIG_CRASH_DUMP) += crash_dump_$(BITS).o
@@ -64,7 +73,6 @@ obj-$(CONFIG_X86_SUMMIT_NUMA) += summit_32.o
obj-y += vsmp_64.o
obj-$(CONFIG_KPROBES) += kprobes.o
obj-$(CONFIG_MODULES) += module_$(BITS).o
-obj-$(CONFIG_ACPI_SRAT) += srat_32.o
obj-$(CONFIG_EFI) += efi.o efi_$(BITS).o efi_stub_$(BITS).o
obj-$(CONFIG_DOUBLEFAULT) += doublefault_32.o
obj-$(CONFIG_KGDB) += kgdb.o
@@ -94,12 +102,13 @@ obj-$(CONFIG_OLPC) += olpc.o
###
# 64 bit specific files
ifeq ($(CONFIG_X86_64),y)
- obj-y += genapic_64.o genapic_flat_64.o genx2apic_uv_x.o
+ obj-y += genapic_64.o genapic_flat_64.o genx2apic_uv_x.o tlb_uv.o
obj-$(CONFIG_X86_PM_TIMER) += pmtimer_64.o
obj-$(CONFIG_AUDIT) += audit_64.o
obj-$(CONFIG_GART_IOMMU) += pci-gart_64.o aperture_64.o
obj-$(CONFIG_CALGARY_IOMMU) += pci-calgary_64.o tce_64.o
+ obj-$(CONFIG_AMD_IOMMU) += amd_iommu_init.o amd_iommu.o
obj-$(CONFIG_SWIOTLB) += pci-swiotlb_64.o
obj-$(CONFIG_PCI_MMCONFIG) += mmconf-fam10h_64.o
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index 33c5216fd3e..f489d7a9be9 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -37,6 +37,7 @@
#include <asm/pgtable.h>
#include <asm/io_apic.h>
#include <asm/apic.h>
+#include <asm/genapic.h>
#include <asm/io.h>
#include <asm/mpspec.h>
#include <asm/smp.h>
@@ -106,21 +107,6 @@ static u64 acpi_lapic_addr __initdata = APIC_DEFAULT_PHYS_BASE;
*/
enum acpi_irq_model_id acpi_irq_model = ACPI_IRQ_MODEL_PIC;
-#ifdef CONFIG_X86_64
-
-/* rely on all ACPI tables being in the direct mapping */
-char *__init __acpi_map_table(unsigned long phys_addr, unsigned long size)
-{
- if (!phys_addr || !size)
- return NULL;
-
- if (phys_addr+size <= (max_pfn_mapped << PAGE_SHIFT) + PAGE_SIZE)
- return __va(phys_addr);
-
- return NULL;
-}
-
-#else
/*
* Temporarily use the virtual area starting from FIX_IO_APIC_BASE_END,
@@ -139,11 +125,15 @@ char *__init __acpi_map_table(unsigned long phys, unsigned long size)
unsigned long base, offset, mapped_size;
int idx;
- if (phys + size < 8 * 1024 * 1024)
+ if (!phys || !size)
+ return NULL;
+
+ if (phys+size <= (max_low_pfn_mapped << PAGE_SHIFT))
return __va(phys);
offset = phys & (PAGE_SIZE - 1);
mapped_size = PAGE_SIZE - offset;
+ clear_fixmap(FIX_ACPI_END);
set_fixmap(FIX_ACPI_END, phys);
base = fix_to_virt(FIX_ACPI_END);
@@ -155,13 +145,13 @@ char *__init __acpi_map_table(unsigned long phys, unsigned long size)
if (--idx < FIX_ACPI_BEGIN)
return NULL; /* cannot handle this */
phys += PAGE_SIZE;
+ clear_fixmap(idx);
set_fixmap(idx, phys);
mapped_size += PAGE_SIZE;
}
return ((unsigned char *)base + offset);
}
-#endif
#ifdef CONFIG_PCI_MMCONFIG
/* The physical address of the MMCONFIG aperture. Set from ACPI tables. */
@@ -338,8 +328,6 @@ acpi_parse_lapic_nmi(struct acpi_subtable_header * header, const unsigned long e
#ifdef CONFIG_X86_IO_APIC
-struct mp_ioapic_routing mp_ioapic_routing[MAX_IO_APICS];
-
static int __init
acpi_parse_ioapic(struct acpi_subtable_header * header, const unsigned long end)
{
@@ -514,8 +502,6 @@ int acpi_register_gsi(u32 gsi, int triggering, int polarity)
* Make sure all (legacy) PCI IRQs are set as level-triggered.
*/
if (acpi_irq_model == ACPI_IRQ_MODEL_PIC) {
- extern void eisa_set_level_irq(unsigned int irq);
-
if (triggering == ACPI_LEVEL_SENSITIVE)
eisa_set_level_irq(gsi);
}
@@ -860,6 +846,364 @@ static int __init acpi_parse_madt_lapic_entries(void)
#endif /* CONFIG_X86_LOCAL_APIC */
#ifdef CONFIG_X86_IO_APIC
+#define MP_ISA_BUS 0
+
+#ifdef CONFIG_X86_ES7000
+extern int es7000_plat;
+#endif
+
+static struct {
+ int apic_id;
+ int gsi_base;
+ int gsi_end;
+ DECLARE_BITMAP(pin_programmed, MP_MAX_IOAPIC_PIN + 1);
+} mp_ioapic_routing[MAX_IO_APICS];
+
+static int mp_find_ioapic(int gsi)
+{
+ int i = 0;
+
+ /* Find the IOAPIC that manages this GSI. */
+ for (i = 0; i < nr_ioapics; i++) {
+ if ((gsi >= mp_ioapic_routing[i].gsi_base)
+ && (gsi <= mp_ioapic_routing[i].gsi_end))
+ return i;
+ }
+
+ printk(KERN_ERR "ERROR: Unable to locate IOAPIC for GSI %d\n", gsi);
+ return -1;
+}
+
+static u8 __init uniq_ioapic_id(u8 id)
+{
+#ifdef CONFIG_X86_32
+ if ((boot_cpu_data.x86_vendor == X86_VENDOR_INTEL) &&
+ !APIC_XAPIC(apic_version[boot_cpu_physical_apicid]))
+ return io_apic_get_unique_id(nr_ioapics, id);
+ else
+ return id;
+#else
+ int i;
+ DECLARE_BITMAP(used, 256);
+ bitmap_zero(used, 256);
+ for (i = 0; i < nr_ioapics; i++) {
+ struct mp_config_ioapic *ia = &mp_ioapics[i];
+ __set_bit(ia->mp_apicid, used);
+ }
+ if (!test_bit(id, used))
+ return id;
+ return find_first_zero_bit(used, 256);
+#endif
+}
+
+static int bad_ioapic(unsigned long address)
+{
+ if (nr_ioapics >= MAX_IO_APICS) {
+ printk(KERN_ERR "ERROR: Max # of I/O APICs (%d) exceeded "
+ "(found %d)\n", MAX_IO_APICS, nr_ioapics);
+ panic("Recompile kernel with bigger MAX_IO_APICS!\n");
+ }
+ if (!address) {
+ printk(KERN_ERR "WARNING: Bogus (zero) I/O APIC address"
+ " found in table, skipping!\n");
+ return 1;
+ }
+ return 0;
+}
+
+void __init mp_register_ioapic(int id, u32 address, u32 gsi_base)
+{
+ int idx = 0;
+
+ if (bad_ioapic(address))
+ return;
+
+ idx = nr_ioapics;
+
+ mp_ioapics[idx].mp_type = MP_IOAPIC;
+ mp_ioapics[idx].mp_flags = MPC_APIC_USABLE;
+ mp_ioapics[idx].mp_apicaddr = address;
+
+ set_fixmap_nocache(FIX_IO_APIC_BASE_0 + idx, address);
+ mp_ioapics[idx].mp_apicid = uniq_ioapic_id(id);
+#ifdef CONFIG_X86_32
+ mp_ioapics[idx].mp_apicver = io_apic_get_version(idx);
+#else
+ mp_ioapics[idx].mp_apicver = 0;
+#endif
+ /*
+ * Build basic GSI lookup table to facilitate gsi->io_apic lookups
+ * and to prevent reprogramming of IOAPIC pins (PCI GSIs).
+ */
+ mp_ioapic_routing[idx].apic_id = mp_ioapics[idx].mp_apicid;
+ mp_ioapic_routing[idx].gsi_base = gsi_base;
+ mp_ioapic_routing[idx].gsi_end = gsi_base +
+ io_apic_get_redir_entries(idx);
+
+ printk(KERN_INFO "IOAPIC[%d]: apic_id %d, version %d, address 0x%lx, "
+ "GSI %d-%d\n", idx, mp_ioapics[idx].mp_apicid,
+ mp_ioapics[idx].mp_apicver, mp_ioapics[idx].mp_apicaddr,
+ mp_ioapic_routing[idx].gsi_base, mp_ioapic_routing[idx].gsi_end);
+
+ nr_ioapics++;
+}
+
+static void assign_to_mp_irq(struct mp_config_intsrc *m,
+ struct mp_config_intsrc *mp_irq)
+{
+ memcpy(mp_irq, m, sizeof(struct mp_config_intsrc));
+}
+
+static int mp_irq_cmp(struct mp_config_intsrc *mp_irq,
+ struct mp_config_intsrc *m)
+{
+ return memcmp(mp_irq, m, sizeof(struct mp_config_intsrc));
+}
+
+static void save_mp_irq(struct mp_config_intsrc *m)
+{
+ int i;
+
+ for (i = 0; i < mp_irq_entries; i++) {
+ if (!mp_irq_cmp(&mp_irqs[i], m))
+ return;
+ }
+
+ assign_to_mp_irq(m, &mp_irqs[mp_irq_entries]);
+ if (++mp_irq_entries == MAX_IRQ_SOURCES)
+ panic("Max # of irq sources exceeded!!\n");
+}
+
+void __init mp_override_legacy_irq(u8 bus_irq, u8 polarity, u8 trigger, u32 gsi)
+{
+ int ioapic;
+ int pin;
+ struct mp_config_intsrc mp_irq;
+
+ /*
+ * Convert 'gsi' to 'ioapic.pin'.
+ */
+ ioapic = mp_find_ioapic(gsi);
+ if (ioapic < 0)
+ return;
+ pin = gsi - mp_ioapic_routing[ioapic].gsi_base;
+
+ /*
+ * TBD: This check is for faulty timer entries, where the override
+ * erroneously sets the trigger to level, resulting in a HUGE
+ * increase of timer interrupts!
+ */
+ if ((bus_irq == 0) && (trigger == 3))
+ trigger = 1;
+
+ mp_irq.mp_type = MP_INTSRC;
+ mp_irq.mp_irqtype = mp_INT;
+ mp_irq.mp_irqflag = (trigger << 2) | polarity;
+ mp_irq.mp_srcbus = MP_ISA_BUS;
+ mp_irq.mp_srcbusirq = bus_irq; /* IRQ */
+ mp_irq.mp_dstapic = mp_ioapics[ioapic].mp_apicid; /* APIC ID */
+ mp_irq.mp_dstirq = pin; /* INTIN# */
+
+ save_mp_irq(&mp_irq);
+}
+
+void __init mp_config_acpi_legacy_irqs(void)
+{
+ int i;
+ int ioapic;
+ unsigned int dstapic;
+ struct mp_config_intsrc mp_irq;
+
+#if defined (CONFIG_MCA) || defined (CONFIG_EISA)
+ /*
+ * Fabricate the legacy ISA bus (bus #31).
+ */
+ mp_bus_id_to_type[MP_ISA_BUS] = MP_BUS_ISA;
+#endif
+ set_bit(MP_ISA_BUS, mp_bus_not_pci);
+ Dprintk("Bus #%d is ISA\n", MP_ISA_BUS);
+
+#ifdef CONFIG_X86_ES7000
+ /*
+ * Older generations of ES7000 have no legacy identity mappings
+ */
+ if (es7000_plat == 1)
+ return;
+#endif
+
+ /*
+ * Locate the IOAPIC that manages the ISA IRQs (0-15).
+ */
+ ioapic = mp_find_ioapic(0);
+ if (ioapic < 0)
+ return;
+ dstapic = mp_ioapics[ioapic].mp_apicid;
+
+ /*
+ * Use the default configuration for the IRQs 0-15. Unless
+ * overridden by (MADT) interrupt source override entries.
+ */
+ for (i = 0; i < 16; i++) {
+ int idx;
+
+ for (idx = 0; idx < mp_irq_entries; idx++) {
+ struct mp_config_intsrc *irq = mp_irqs + idx;
+
+ /* Do we already have a mapping for this ISA IRQ? */
+ if (irq->mp_srcbus == MP_ISA_BUS
+ && irq->mp_srcbusirq == i)
+ break;
+
+ /* Do we already have a mapping for this IOAPIC pin */
+ if (irq->mp_dstapic == dstapic &&
+ irq->mp_dstirq == i)
+ break;
+ }
+
+ if (idx != mp_irq_entries) {
+ printk(KERN_DEBUG "ACPI: IRQ%d used by override.\n", i);
+ continue; /* IRQ already used */
+ }
+
+ mp_irq.mp_type = MP_INTSRC;
+ mp_irq.mp_irqflag = 0; /* Conforming */
+ mp_irq.mp_srcbus = MP_ISA_BUS;
+ mp_irq.mp_dstapic = dstapic;
+ mp_irq.mp_irqtype = mp_INT;
+ mp_irq.mp_srcbusirq = i; /* Identity mapped */
+ mp_irq.mp_dstirq = i;
+
+ save_mp_irq(&mp_irq);
+ }
+}
+
+int mp_register_gsi(u32 gsi, int triggering, int polarity)
+{
+ int ioapic;
+ int ioapic_pin;
+#ifdef CONFIG_X86_32
+#define MAX_GSI_NUM 4096
+#define IRQ_COMPRESSION_START 64
+
+ static int pci_irq = IRQ_COMPRESSION_START;
+ /*
+ * Mapping between Global System Interrupts, which
+ * represent all possible interrupts, and IRQs
+ * assigned to actual devices.
+ */
+ static int gsi_to_irq[MAX_GSI_NUM];
+#else
+
+ if (acpi_irq_model != ACPI_IRQ_MODEL_IOAPIC)
+ return gsi;
+#endif
+
+ /* Don't set up the ACPI SCI because it's already set up */
+ if (acpi_gbl_FADT.sci_interrupt == gsi)
+ return gsi;
+
+ ioapic = mp_find_ioapic(gsi);
+ if (ioapic < 0) {
+ printk(KERN_WARNING "No IOAPIC for GSI %u\n", gsi);
+ return gsi;
+ }
+
+ ioapic_pin = gsi - mp_ioapic_routing[ioapic].gsi_base;
+
+#ifdef CONFIG_X86_32
+ if (ioapic_renumber_irq)
+ gsi = ioapic_renumber_irq(ioapic, gsi);
+#endif
+
+ /*
+ * Avoid pin reprogramming. PRTs typically include entries
+ * with redundant pin->gsi mappings (but unique PCI devices);
+ * we only program the IOAPIC on the first.
+ */
+ if (ioapic_pin > MP_MAX_IOAPIC_PIN) {
+ printk(KERN_ERR "Invalid reference to IOAPIC pin "
+ "%d-%d\n", mp_ioapic_routing[ioapic].apic_id,
+ ioapic_pin);
+ return gsi;
+ }
+ if (test_bit(ioapic_pin, mp_ioapic_routing[ioapic].pin_programmed)) {
+ Dprintk(KERN_DEBUG "Pin %d-%d already programmed\n",
+ mp_ioapic_routing[ioapic].apic_id, ioapic_pin);
+#ifdef CONFIG_X86_32
+ return (gsi < IRQ_COMPRESSION_START ? gsi : gsi_to_irq[gsi]);
+#else
+ return gsi;
+#endif
+ }
+
+ set_bit(ioapic_pin, mp_ioapic_routing[ioapic].pin_programmed);
+#ifdef CONFIG_X86_32
+ /*
+ * For GSI >= 64, use IRQ compression
+ */
+ if ((gsi >= IRQ_COMPRESSION_START)
+ && (triggering == ACPI_LEVEL_SENSITIVE)) {
+ /*
+ * For PCI devices assign IRQs in order, avoiding gaps
+ * due to unused I/O APIC pins.
+ */
+ int irq = gsi;
+ if (gsi < MAX_GSI_NUM) {
+ /*
+ * Retain the VIA chipset work-around (gsi > 15), but
+ * avoid a problem where the 8254 timer (IRQ0) is setup
+ * via an override (so it's not on pin 0 of the ioapic),
+ * and at the same time, the pin 0 interrupt is a PCI
+ * type. The gsi > 15 test could cause these two pins
+ * to be shared as IRQ0, and they are not shareable.
+ * So test for this condition, and if necessary, avoid
+ * the pin collision.
+ */
+ gsi = pci_irq++;
+ /*
+ * Don't assign IRQ used by ACPI SCI
+ */
+ if (gsi == acpi_gbl_FADT.sci_interrupt)
+ gsi = pci_irq++;
+ gsi_to_irq[irq] = gsi;
+ } else {
+ printk(KERN_ERR "GSI %u is too high\n", gsi);
+ return gsi;
+ }
+ }
+#endif
+ io_apic_set_pci_routing(ioapic, ioapic_pin, gsi,
+ triggering == ACPI_EDGE_SENSITIVE ? 0 : 1,
+ polarity == ACPI_ACTIVE_HIGH ? 0 : 1);
+ return gsi;
+}
+
+int mp_config_acpi_gsi(unsigned char number, unsigned int devfn, u8 pin,
+ u32 gsi, int triggering, int polarity)
+{
+#ifdef CONFIG_X86_MPPARSE
+ struct mp_config_intsrc mp_irq;
+ int ioapic;
+
+ if (!acpi_ioapic)
+ return 0;
+
+ /* print the entry should happen on mptable identically */
+ mp_irq.mp_type = MP_INTSRC;
+ mp_irq.mp_irqtype = mp_INT;
+ mp_irq.mp_irqflag = (triggering == ACPI_EDGE_SENSITIVE ? 4 : 0x0c) |
+ (polarity == ACPI_ACTIVE_HIGH ? 1 : 3);
+ mp_irq.mp_srcbus = number;
+ mp_irq.mp_srcbusirq = (((devfn >> 3) & 0x1f) << 2) | ((pin - 1) & 3);
+ ioapic = mp_find_ioapic(gsi);
+ mp_irq.mp_dstapic = mp_ioapic_routing[ioapic].apic_id;
+ mp_irq.mp_dstirq = gsi - mp_ioapic_routing[ioapic].gsi_base;
+
+ save_mp_irq(&mp_irq);
+#endif
+ return 0;
+}
+
/*
* Parse IOAPIC related entries in MADT
* returns 0 on success, < 0 on error
@@ -1009,8 +1353,6 @@ static void __init acpi_process_madt(void)
return;
}
-#ifdef __i386__
-
static int __init disable_acpi_irq(const struct dmi_system_id *d)
{
if (!acpi_force) {
@@ -1061,6 +1403,16 @@ static int __init force_acpi_ht(const struct dmi_system_id *d)
}
/*
+ * Force ignoring BIOS IRQ0 pin2 override
+ */
+static int __init dmi_ignore_irq0_timer_override(const struct dmi_system_id *d)
+{
+ pr_notice("%s detected: Ignoring BIOS IRQ0 pin2 override\n", d->ident);
+ acpi_skip_timer_override = 1;
+ return 0;
+}
+
+/*
* If your system is blacklisted here, but you find that acpi=force
* works for you, please contact acpi-devel@sourceforge.net
*/
@@ -1227,11 +1579,35 @@ static struct dmi_system_id __initdata acpi_dmi_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 360"),
},
},
+ /*
+ * HP laptops which use a DSDT reporting as HP/SB400/10000,
+ * which includes some code which overrides all temperature
+ * trip points to 16C if the INTIN2 input of the I/O APIC
+ * is enabled. This input is incorrectly designated the
+ * ISA IRQ 0 via an interrupt source override even though
+ * it is wired to the output of the master 8259A and INTIN0
+ * is not connected at all. Force ignoring BIOS IRQ0 pin2
+ * override in that cases.
+ */
+ {
+ .callback = dmi_ignore_irq0_timer_override,
+ .ident = "HP NX6125 laptop",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq nx6125"),
+ },
+ },
+ {
+ .callback = dmi_ignore_irq0_timer_override,
+ .ident = "HP NX6325 laptop",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq nx6325"),
+ },
+ },
{}
};
-#endif /* __i386__ */
-
/*
* acpi_boot_table_init() and acpi_boot_init()
* called from setup_arch(), always.
@@ -1259,9 +1635,7 @@ int __init acpi_boot_table_init(void)
{
int error;
-#ifdef __i386__
dmi_check_system(acpi_dmi_table);
-#endif
/*
* If acpi_disabled, bail out
@@ -1386,6 +1760,20 @@ static int __init parse_pci(char *arg)
}
early_param("pci", parse_pci);
+int __init acpi_mps_check(void)
+{
+#if defined(CONFIG_X86_LOCAL_APIC) && !defined(CONFIG_X86_MPPARSE)
+/* mptable code is not built-in*/
+ if (acpi_disabled || acpi_noirq) {
+ printk(KERN_WARNING "MPS support code is not built-in.\n"
+ "Using acpi=off or acpi=noirq or pci=noacpi "
+ "may have problem\n");
+ return 1;
+ }
+#endif
+ return 0;
+}
+
#ifdef CONFIG_X86_IO_APIC
static int __init parse_acpi_skip_timer_override(char *arg)
{
diff --git a/arch/x86/kernel/acpi/sleep.c b/arch/x86/kernel/acpi/sleep.c
index 36af01f029e..793ad2045f5 100644
--- a/arch/x86/kernel/acpi/sleep.c
+++ b/arch/x86/kernel/acpi/sleep.c
@@ -23,6 +23,15 @@ static unsigned long acpi_realmode;
static char temp_stack[10240];
#endif
+/* XXX: this macro should move to asm-x86/segment.h and be shared with the
+ boot code... */
+#define GDT_ENTRY(flags, base, limit) \
+ (((u64)(base & 0xff000000) << 32) | \
+ ((u64)flags << 40) | \
+ ((u64)(limit & 0x00ff0000) << 32) | \
+ ((u64)(base & 0x00ffffff) << 16) | \
+ ((u64)(limit & 0x0000ffff)))
+
/**
* acpi_save_state_mem - save kernel state
*
@@ -51,18 +60,27 @@ int acpi_save_state_mem(void)
header->video_mode = saved_video_mode;
header->wakeup_jmp_seg = acpi_wakeup_address >> 4;
+
+ /*
+ * Set up the wakeup GDT. We set these up as Big Real Mode,
+ * that is, with limits set to 4 GB. At least the Lenovo
+ * Thinkpad X61 is known to need this for the video BIOS
+ * initialization quirk to work; this is likely to also
+ * be the case for other laptops or integrated video devices.
+ */
+
/* GDT[0]: GDT self-pointer */
header->wakeup_gdt[0] =
(u64)(sizeof(header->wakeup_gdt) - 1) +
((u64)(acpi_wakeup_address +
((char *)&header->wakeup_gdt - (char *)acpi_realmode))
<< 16);
- /* GDT[1]: real-mode-like code segment */
- header->wakeup_gdt[1] = (0x009bULL << 40) +
- ((u64)acpi_wakeup_address << 16) + 0xffff;
- /* GDT[2]: real-mode-like data segment */
- header->wakeup_gdt[2] = (0x0093ULL << 40) +
- ((u64)acpi_wakeup_address << 16) + 0xffff;
+ /* GDT[1]: big real mode-like code segment */
+ header->wakeup_gdt[1] =
+ GDT_ENTRY(0x809b, acpi_wakeup_address, 0xfffff);
+ /* GDT[2]: big real mode-like data segment */
+ header->wakeup_gdt[2] =
+ GDT_ENTRY(0x8093, acpi_wakeup_address, 0xfffff);
#ifndef CONFIG_64BIT
store_gdt((struct desc_ptr *)&header->pmode_gdt);
@@ -86,7 +104,9 @@ int acpi_save_state_mem(void)
saved_magic = 0x12345678;
#else /* CONFIG_64BIT */
header->trampoline_segment = setup_trampoline() >> 4;
- init_rsp = (unsigned long)temp_stack + 4096;
+#ifdef CONFIG_SMP
+ stack_start.sp = temp_stack + 4096;
+#endif
initial_code = (unsigned long)wakeup_long64;
saved_magic = 0x123456789abcdef0;
#endif /* CONFIG_64BIT */
diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c
index 65c7857a90d..2763cb37b55 100644
--- a/arch/x86/kernel/alternative.c
+++ b/arch/x86/kernel/alternative.c
@@ -1,6 +1,6 @@
#include <linux/module.h>
#include <linux/sched.h>
-#include <linux/spinlock.h>
+#include <linux/mutex.h>
#include <linux/list.h>
#include <linux/kprobes.h>
#include <linux/mm.h>
@@ -143,7 +143,7 @@ static const unsigned char *const p6_nops[ASM_NOP_MAX+1] = {
#ifdef CONFIG_X86_64
extern char __vsyscall_0;
-static inline const unsigned char*const * find_nop_table(void)
+const unsigned char *const *find_nop_table(void)
{
return boot_cpu_data.x86_vendor != X86_VENDOR_INTEL ||
boot_cpu_data.x86 < 6 ? k8_nops : p6_nops;
@@ -162,7 +162,7 @@ static const struct nop {
{ -1, NULL }
};
-static const unsigned char*const * find_nop_table(void)
+const unsigned char *const *find_nop_table(void)
{
const unsigned char *const *noptable = intel_nops;
int i;
@@ -279,7 +279,7 @@ struct smp_alt_module {
struct list_head next;
};
static LIST_HEAD(smp_alt_modules);
-static DEFINE_SPINLOCK(smp_alt);
+static DEFINE_MUTEX(smp_alt);
static int smp_mode = 1; /* protected by smp_alt */
void alternatives_smp_module_add(struct module *mod, char *name,
@@ -312,12 +312,12 @@ void alternatives_smp_module_add(struct module *mod, char *name,
__func__, smp->locks, smp->locks_end,
smp->text, smp->text_end, smp->name);
- spin_lock(&smp_alt);
+ mutex_lock(&smp_alt);
list_add_tail(&smp->next, &smp_alt_modules);
if (boot_cpu_has(X86_FEATURE_UP))
alternatives_smp_unlock(smp->locks, smp->locks_end,
smp->text, smp->text_end);
- spin_unlock(&smp_alt);
+ mutex_unlock(&smp_alt);
}
void alternatives_smp_module_del(struct module *mod)
@@ -327,17 +327,17 @@ void alternatives_smp_module_del(struct module *mod)
if (smp_alt_once || noreplace_smp)
return;
- spin_lock(&smp_alt);
+ mutex_lock(&smp_alt);
list_for_each_entry(item, &smp_alt_modules, next) {
if (mod != item->mod)
continue;
list_del(&item->next);
- spin_unlock(&smp_alt);
+ mutex_unlock(&smp_alt);
DPRINTK("%s: %s\n", __func__, item->name);
kfree(item);
return;
}
- spin_unlock(&smp_alt);
+ mutex_unlock(&smp_alt);
}
void alternatives_smp_switch(int smp)
@@ -359,7 +359,7 @@ void alternatives_smp_switch(int smp)
return;
BUG_ON(!smp && (num_online_cpus() > 1));
- spin_lock(&smp_alt);
+ mutex_lock(&smp_alt);
/*
* Avoid unnecessary switches because it forces JIT based VMs to
@@ -383,7 +383,7 @@ void alternatives_smp_switch(int smp)
mod->text, mod->text_end);
}
smp_mode = smp;
- spin_unlock(&smp_alt);
+ mutex_unlock(&smp_alt);
}
#endif
diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c
new file mode 100644
index 00000000000..f2766d84c7a
--- /dev/null
+++ b/arch/x86/kernel/amd_iommu.c
@@ -0,0 +1,962 @@
+/*
+ * Copyright (C) 2007-2008 Advanced Micro Devices, Inc.
+ * Author: Joerg Roedel <joerg.roedel@amd.com>
+ * Leo Duran <leo.duran@amd.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <linux/pci.h>
+#include <linux/gfp.h>
+#include <linux/bitops.h>
+#include <linux/scatterlist.h>
+#include <linux/iommu-helper.h>
+#include <asm/proto.h>
+#include <asm/gart.h>
+#include <asm/amd_iommu_types.h>
+#include <asm/amd_iommu.h>
+
+#define CMD_SET_TYPE(cmd, t) ((cmd)->data[1] |= ((t) << 28))
+
+#define to_pages(addr, size) \
+ (round_up(((addr) & ~PAGE_MASK) + (size), PAGE_SIZE) >> PAGE_SHIFT)
+
+static DEFINE_RWLOCK(amd_iommu_devtable_lock);
+
+struct command {
+ u32 data[4];
+};
+
+static int dma_ops_unity_map(struct dma_ops_domain *dma_dom,
+ struct unity_map_entry *e);
+
+static int iommu_has_npcache(struct amd_iommu *iommu)
+{
+ return iommu->cap & IOMMU_CAP_NPCACHE;
+}
+
+static int __iommu_queue_command(struct amd_iommu *iommu, struct command *cmd)
+{
+ u32 tail, head;
+ u8 *target;
+
+ tail = readl(iommu->mmio_base + MMIO_CMD_TAIL_OFFSET);
+ target = (iommu->cmd_buf + tail);
+ memcpy_toio(target, cmd, sizeof(*cmd));
+ tail = (tail + sizeof(*cmd)) % iommu->cmd_buf_size;
+ head = readl(iommu->mmio_base + MMIO_CMD_HEAD_OFFSET);
+ if (tail == head)
+ return -ENOMEM;
+ writel(tail, iommu->mmio_base + MMIO_CMD_TAIL_OFFSET);
+
+ return 0;
+}
+
+static int iommu_queue_command(struct amd_iommu *iommu, struct command *cmd)
+{
+ unsigned long flags;
+ int ret;
+
+ spin_lock_irqsave(&iommu->lock, flags);
+ ret = __iommu_queue_command(iommu, cmd);
+ spin_unlock_irqrestore(&iommu->lock, flags);
+
+ return ret;
+}
+
+static int iommu_completion_wait(struct amd_iommu *iommu)
+{
+ int ret;
+ struct command cmd;
+ volatile u64 ready = 0;
+ unsigned long ready_phys = virt_to_phys(&ready);
+
+ memset(&cmd, 0, sizeof(cmd));
+ cmd.data[0] = LOW_U32(ready_phys) | CMD_COMPL_WAIT_STORE_MASK;
+ cmd.data[1] = HIGH_U32(ready_phys);
+ cmd.data[2] = 1; /* value written to 'ready' */
+ CMD_SET_TYPE(&cmd, CMD_COMPL_WAIT);
+
+ iommu->need_sync = 0;
+
+ ret = iommu_queue_command(iommu, &cmd);
+
+ if (ret)
+ return ret;
+
+ while (!ready)
+ cpu_relax();
+
+ return 0;
+}
+
+static int iommu_queue_inv_dev_entry(struct amd_iommu *iommu, u16 devid)
+{
+ struct command cmd;
+
+ BUG_ON(iommu == NULL);
+
+ memset(&cmd, 0, sizeof(cmd));
+ CMD_SET_TYPE(&cmd, CMD_INV_DEV_ENTRY);
+ cmd.data[0] = devid;
+
+ iommu->need_sync = 1;
+
+ return iommu_queue_command(iommu, &cmd);
+}
+
+static int iommu_queue_inv_iommu_pages(struct amd_iommu *iommu,
+ u64 address, u16 domid, int pde, int s)
+{
+ struct command cmd;
+
+ memset(&cmd, 0, sizeof(cmd));
+ address &= PAGE_MASK;
+ CMD_SET_TYPE(&cmd, CMD_INV_IOMMU_PAGES);
+ cmd.data[1] |= domid;
+ cmd.data[2] = LOW_U32(address);
+ cmd.data[3] = HIGH_U32(address);
+ if (s)
+ cmd.data[2] |= CMD_INV_IOMMU_PAGES_SIZE_MASK;
+ if (pde)
+ cmd.data[2] |= CMD_INV_IOMMU_PAGES_PDE_MASK;
+
+ iommu->need_sync = 1;
+
+ return iommu_queue_command(iommu, &cmd);
+}
+
+static int iommu_flush_pages(struct amd_iommu *iommu, u16 domid,
+ u64 address, size_t size)
+{
+ int s = 0;
+ unsigned pages = to_pages(address, size);
+
+ address &= PAGE_MASK;
+
+ if (pages > 1) {
+ /*
+ * If we have to flush more than one page, flush all
+ * TLB entries for this domain
+ */
+ address = CMD_INV_IOMMU_ALL_PAGES_ADDRESS;
+ s = 1;
+ }
+
+ iommu_queue_inv_iommu_pages(iommu, address, domid, 0, s);
+
+ return 0;
+}
+
+static int iommu_map(struct protection_domain *dom,
+ unsigned long bus_addr,
+ unsigned long phys_addr,
+ int prot)
+{
+ u64 __pte, *pte, *page;
+
+ bus_addr = PAGE_ALIGN(bus_addr);
+ phys_addr = PAGE_ALIGN(bus_addr);
+
+ /* only support 512GB address spaces for now */
+ if (bus_addr > IOMMU_MAP_SIZE_L3 || !(prot & IOMMU_PROT_MASK))
+ return -EINVAL;
+
+ pte = &dom->pt_root[IOMMU_PTE_L2_INDEX(bus_addr)];
+
+ if (!IOMMU_PTE_PRESENT(*pte)) {
+ page = (u64 *)get_zeroed_page(GFP_KERNEL);
+ if (!page)
+ return -ENOMEM;
+ *pte = IOMMU_L2_PDE(virt_to_phys(page));
+ }
+
+ pte = IOMMU_PTE_PAGE(*pte);
+ pte = &pte[IOMMU_PTE_L1_INDEX(bus_addr)];
+
+ if (!IOMMU_PTE_PRESENT(*pte)) {
+ page = (u64 *)get_zeroed_page(GFP_KERNEL);
+ if (!page)
+ return -ENOMEM;
+ *pte = IOMMU_L1_PDE(virt_to_phys(page));
+ }
+
+ pte = IOMMU_PTE_PAGE(*pte);
+ pte = &pte[IOMMU_PTE_L0_INDEX(bus_addr)];
+
+ if (IOMMU_PTE_PRESENT(*pte))
+ return -EBUSY;
+
+ __pte = phys_addr | IOMMU_PTE_P;
+ if (prot & IOMMU_PROT_IR)
+ __pte |= IOMMU_PTE_IR;
+ if (prot & IOMMU_PROT_IW)
+ __pte |= IOMMU_PTE_IW;
+
+ *pte = __pte;
+
+ return 0;
+}
+
+static int iommu_for_unity_map(struct amd_iommu *iommu,
+ struct unity_map_entry *entry)
+{
+ u16 bdf, i;
+
+ for (i = entry->devid_start; i <= entry->devid_end; ++i) {
+ bdf = amd_iommu_alias_table[i];
+ if (amd_iommu_rlookup_table[bdf] == iommu)
+ return 1;
+ }
+
+ return 0;
+}
+
+static int iommu_init_unity_mappings(struct amd_iommu *iommu)
+{
+ struct unity_map_entry *entry;
+ int ret;
+
+ list_for_each_entry(entry, &amd_iommu_unity_map, list) {
+ if (!iommu_for_unity_map(iommu, entry))
+ continue;
+ ret = dma_ops_unity_map(iommu->default_dom, entry);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+static int dma_ops_unity_map(struct dma_ops_domain *dma_dom,
+ struct unity_map_entry *e)
+{
+ u64 addr;
+ int ret;
+
+ for (addr = e->address_start; addr < e->address_end;
+ addr += PAGE_SIZE) {
+ ret = iommu_map(&dma_dom->domain, addr, addr, e->prot);
+ if (ret)
+ return ret;
+ /*
+ * if unity mapping is in aperture range mark the page
+ * as allocated in the aperture
+ */
+ if (addr < dma_dom->aperture_size)
+ __set_bit(addr >> PAGE_SHIFT, dma_dom->bitmap);
+ }
+
+ return 0;
+}
+
+static int init_unity_mappings_for_device(struct dma_ops_domain *dma_dom,
+ u16 devid)
+{
+ struct unity_map_entry *e;
+ int ret;
+
+ list_for_each_entry(e, &amd_iommu_unity_map, list) {
+ if (!(devid >= e->devid_start && devid <= e->devid_end))
+ continue;
+ ret = dma_ops_unity_map(dma_dom, e);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+static unsigned long dma_mask_to_pages(unsigned long mask)
+{
+ return (mask >> PAGE_SHIFT) +
+ (PAGE_ALIGN(mask & ~PAGE_MASK) >> PAGE_SHIFT);
+}
+
+static unsigned long dma_ops_alloc_addresses(struct device *dev,
+ struct dma_ops_domain *dom,
+ unsigned int pages)
+{
+ unsigned long limit = dma_mask_to_pages(*dev->dma_mask);
+ unsigned long address;
+ unsigned long size = dom->aperture_size >> PAGE_SHIFT;
+ unsigned long boundary_size;
+
+ boundary_size = ALIGN(dma_get_seg_boundary(dev) + 1,
+ PAGE_SIZE) >> PAGE_SHIFT;
+ limit = limit < size ? limit : size;
+
+ if (dom->next_bit >= limit)
+ dom->next_bit = 0;
+
+ address = iommu_area_alloc(dom->bitmap, limit, dom->next_bit, pages,
+ 0 , boundary_size, 0);
+ if (address == -1)
+ address = iommu_area_alloc(dom->bitmap, limit, 0, pages,
+ 0, boundary_size, 0);
+
+ if (likely(address != -1)) {
+ dom->next_bit = address + pages;
+ address <<= PAGE_SHIFT;
+ } else
+ address = bad_dma_address;
+
+ WARN_ON((address + (PAGE_SIZE*pages)) > dom->aperture_size);
+
+ return address;
+}
+
+static void dma_ops_free_addresses(struct dma_ops_domain *dom,
+ unsigned long address,
+ unsigned int pages)
+{
+ address >>= PAGE_SHIFT;
+ iommu_area_free(dom->bitmap, address, pages);
+}
+
+static u16 domain_id_alloc(void)
+{
+ unsigned long flags;
+ int id;
+
+ write_lock_irqsave(&amd_iommu_devtable_lock, flags);
+ id = find_first_zero_bit(amd_iommu_pd_alloc_bitmap, MAX_DOMAIN_ID);
+ BUG_ON(id == 0);
+ if (id > 0 && id < MAX_DOMAIN_ID)
+ __set_bit(id, amd_iommu_pd_alloc_bitmap);
+ else
+ id = 0;
+ write_unlock_irqrestore(&amd_iommu_devtable_lock, flags);
+
+ return id;
+}
+
+static void dma_ops_reserve_addresses(struct dma_ops_domain *dom,
+ unsigned long start_page,
+ unsigned int pages)
+{
+ unsigned int last_page = dom->aperture_size >> PAGE_SHIFT;
+
+ if (start_page + pages > last_page)
+ pages = last_page - start_page;
+
+ set_bit_string(dom->bitmap, start_page, pages);
+}
+
+static void dma_ops_free_pagetable(struct dma_ops_domain *dma_dom)
+{
+ int i, j;
+ u64 *p1, *p2, *p3;
+
+ p1 = dma_dom->domain.pt_root;
+
+ if (!p1)
+ return;
+
+ for (i = 0; i < 512; ++i) {
+ if (!IOMMU_PTE_PRESENT(p1[i]))
+ continue;
+
+ p2 = IOMMU_PTE_PAGE(p1[i]);
+ for (j = 0; j < 512; ++i) {
+ if (!IOMMU_PTE_PRESENT(p2[j]))
+ continue;
+ p3 = IOMMU_PTE_PAGE(p2[j]);
+ free_page((unsigned long)p3);
+ }
+
+ free_page((unsigned long)p2);
+ }
+
+ free_page((unsigned long)p1);
+}
+
+static void dma_ops_domain_free(struct dma_ops_domain *dom)
+{
+ if (!dom)
+ return;
+
+ dma_ops_free_pagetable(dom);
+
+ kfree(dom->pte_pages);
+
+ kfree(dom->bitmap);
+
+ kfree(dom);
+}
+
+static struct dma_ops_domain *dma_ops_domain_alloc(struct amd_iommu *iommu,
+ unsigned order)
+{
+ struct dma_ops_domain *dma_dom;
+ unsigned i, num_pte_pages;
+ u64 *l2_pde;
+ u64 address;
+
+ /*
+ * Currently the DMA aperture must be between 32 MB and 1GB in size
+ */
+ if ((order < 25) || (order > 30))
+ return NULL;
+
+ dma_dom = kzalloc(sizeof(struct dma_ops_domain), GFP_KERNEL);
+ if (!dma_dom)
+ return NULL;
+
+ spin_lock_init(&dma_dom->domain.lock);
+
+ dma_dom->domain.id = domain_id_alloc();
+ if (dma_dom->domain.id == 0)
+ goto free_dma_dom;
+ dma_dom->domain.mode = PAGE_MODE_3_LEVEL;
+ dma_dom->domain.pt_root = (void *)get_zeroed_page(GFP_KERNEL);
+ dma_dom->domain.priv = dma_dom;
+ if (!dma_dom->domain.pt_root)
+ goto free_dma_dom;
+ dma_dom->aperture_size = (1ULL << order);
+ dma_dom->bitmap = kzalloc(dma_dom->aperture_size / (PAGE_SIZE * 8),
+ GFP_KERNEL);
+ if (!dma_dom->bitmap)
+ goto free_dma_dom;
+ /*
+ * mark the first page as allocated so we never return 0 as
+ * a valid dma-address. So we can use 0 as error value
+ */
+ dma_dom->bitmap[0] = 1;
+ dma_dom->next_bit = 0;
+
+ if (iommu->exclusion_start &&
+ iommu->exclusion_start < dma_dom->aperture_size) {
+ unsigned long startpage = iommu->exclusion_start >> PAGE_SHIFT;
+ int pages = to_pages(iommu->exclusion_start,
+ iommu->exclusion_length);
+ dma_ops_reserve_addresses(dma_dom, startpage, pages);
+ }
+
+ num_pte_pages = dma_dom->aperture_size / (PAGE_SIZE * 512);
+ dma_dom->pte_pages = kzalloc(num_pte_pages * sizeof(void *),
+ GFP_KERNEL);
+ if (!dma_dom->pte_pages)
+ goto free_dma_dom;
+
+ l2_pde = (u64 *)get_zeroed_page(GFP_KERNEL);
+ if (l2_pde == NULL)
+ goto free_dma_dom;
+
+ dma_dom->domain.pt_root[0] = IOMMU_L2_PDE(virt_to_phys(l2_pde));
+
+ for (i = 0; i < num_pte_pages; ++i) {
+ dma_dom->pte_pages[i] = (u64 *)get_zeroed_page(GFP_KERNEL);
+ if (!dma_dom->pte_pages[i])
+ goto free_dma_dom;
+ address = virt_to_phys(dma_dom->pte_pages[i]);
+ l2_pde[i] = IOMMU_L1_PDE(address);
+ }
+
+ return dma_dom;
+
+free_dma_dom:
+ dma_ops_domain_free(dma_dom);
+
+ return NULL;
+}
+
+static struct protection_domain *domain_for_device(u16 devid)
+{
+ struct protection_domain *dom;
+ unsigned long flags;
+
+ read_lock_irqsave(&amd_iommu_devtable_lock, flags);
+ dom = amd_iommu_pd_table[devid];
+ read_unlock_irqrestore(&amd_iommu_devtable_lock, flags);
+
+ return dom;
+}
+
+static void set_device_domain(struct amd_iommu *iommu,
+ struct protection_domain *domain,
+ u16 devid)
+{
+ unsigned long flags;
+
+ u64 pte_root = virt_to_phys(domain->pt_root);
+
+ pte_root |= (domain->mode & 0x07) << 9;
+ pte_root |= IOMMU_PTE_IR | IOMMU_PTE_IW | IOMMU_PTE_P | 2;
+
+ write_lock_irqsave(&amd_iommu_devtable_lock, flags);
+ amd_iommu_dev_table[devid].data[0] = pte_root;
+ amd_iommu_dev_table[devid].data[1] = pte_root >> 32;
+ amd_iommu_dev_table[devid].data[2] = domain->id;
+
+ amd_iommu_pd_table[devid] = domain;
+ write_unlock_irqrestore(&amd_iommu_devtable_lock, flags);
+
+ iommu_queue_inv_dev_entry(iommu, devid);
+
+ iommu->need_sync = 1;
+}
+
+static int get_device_resources(struct device *dev,
+ struct amd_iommu **iommu,
+ struct protection_domain **domain,
+ u16 *bdf)
+{
+ struct dma_ops_domain *dma_dom;
+ struct pci_dev *pcidev;
+ u16 _bdf;
+
+ BUG_ON(!dev || dev->bus != &pci_bus_type || !dev->dma_mask);
+
+ pcidev = to_pci_dev(dev);
+ _bdf = (pcidev->bus->number << 8) | pcidev->devfn;
+
+ if (_bdf >= amd_iommu_last_bdf) {
+ *iommu = NULL;
+ *domain = NULL;
+ *bdf = 0xffff;
+ return 0;
+ }
+
+ *bdf = amd_iommu_alias_table[_bdf];
+
+ *iommu = amd_iommu_rlookup_table[*bdf];
+ if (*iommu == NULL)
+ return 0;
+ dma_dom = (*iommu)->default_dom;
+ *domain = domain_for_device(*bdf);
+ if (*domain == NULL) {
+ *domain = &dma_dom->domain;
+ set_device_domain(*iommu, *domain, *bdf);
+ printk(KERN_INFO "AMD IOMMU: Using protection domain %d for "
+ "device ", (*domain)->id);
+ print_devid(_bdf, 1);
+ }
+
+ return 1;
+}
+
+static dma_addr_t dma_ops_domain_map(struct amd_iommu *iommu,
+ struct dma_ops_domain *dom,
+ unsigned long address,
+ phys_addr_t paddr,
+ int direction)
+{
+ u64 *pte, __pte;
+
+ WARN_ON(address > dom->aperture_size);
+
+ paddr &= PAGE_MASK;
+
+ pte = dom->pte_pages[IOMMU_PTE_L1_INDEX(address)];
+ pte += IOMMU_PTE_L0_INDEX(address);
+
+ __pte = paddr | IOMMU_PTE_P | IOMMU_PTE_FC;
+
+ if (direction == DMA_TO_DEVICE)
+ __pte |= IOMMU_PTE_IR;
+ else if (direction == DMA_FROM_DEVICE)
+ __pte |= IOMMU_PTE_IW;
+ else if (direction == DMA_BIDIRECTIONAL)
+ __pte |= IOMMU_PTE_IR | IOMMU_PTE_IW;
+
+ WARN_ON(*pte);
+
+ *pte = __pte;
+
+ return (dma_addr_t)address;
+}
+
+static void dma_ops_domain_unmap(struct amd_iommu *iommu,
+ struct dma_ops_domain *dom,
+ unsigned long address)
+{
+ u64 *pte;
+
+ if (address >= dom->aperture_size)
+ return;
+
+ WARN_ON(address & 0xfffULL || address > dom->aperture_size);
+
+ pte = dom->pte_pages[IOMMU_PTE_L1_INDEX(address)];
+ pte += IOMMU_PTE_L0_INDEX(address);
+
+ WARN_ON(!*pte);
+
+ *pte = 0ULL;
+}
+
+static dma_addr_t __map_single(struct device *dev,
+ struct amd_iommu *iommu,
+ struct dma_ops_domain *dma_dom,
+ phys_addr_t paddr,
+ size_t size,
+ int dir)
+{
+ dma_addr_t offset = paddr & ~PAGE_MASK;
+ dma_addr_t address, start;
+ unsigned int pages;
+ int i;
+
+ pages = to_pages(paddr, size);
+ paddr &= PAGE_MASK;
+
+ address = dma_ops_alloc_addresses(dev, dma_dom, pages);
+ if (unlikely(address == bad_dma_address))
+ goto out;
+
+ start = address;
+ for (i = 0; i < pages; ++i) {
+ dma_ops_domain_map(iommu, dma_dom, start, paddr, dir);
+ paddr += PAGE_SIZE;
+ start += PAGE_SIZE;
+ }
+ address += offset;
+
+out:
+ return address;
+}
+
+static void __unmap_single(struct amd_iommu *iommu,
+ struct dma_ops_domain *dma_dom,
+ dma_addr_t dma_addr,
+ size_t size,
+ int dir)
+{
+ dma_addr_t i, start;
+ unsigned int pages;
+
+ if ((dma_addr == 0) || (dma_addr + size > dma_dom->aperture_size))
+ return;
+
+ pages = to_pages(dma_addr, size);
+ dma_addr &= PAGE_MASK;
+ start = dma_addr;
+
+ for (i = 0; i < pages; ++i) {
+ dma_ops_domain_unmap(iommu, dma_dom, start);
+ start += PAGE_SIZE;
+ }
+
+ dma_ops_free_addresses(dma_dom, dma_addr, pages);
+}
+
+static dma_addr_t map_single(struct device *dev, phys_addr_t paddr,
+ size_t size, int dir)
+{
+ unsigned long flags;
+ struct amd_iommu *iommu;
+ struct protection_domain *domain;
+ u16 devid;
+ dma_addr_t addr;
+
+ get_device_resources(dev, &iommu, &domain, &devid);
+
+ if (iommu == NULL || domain == NULL)
+ return (dma_addr_t)paddr;
+
+ spin_lock_irqsave(&domain->lock, flags);
+ addr = __map_single(dev, iommu, domain->priv, paddr, size, dir);
+ if (addr == bad_dma_address)
+ goto out;
+
+ if (iommu_has_npcache(iommu))
+ iommu_flush_pages(iommu, domain->id, addr, size);
+
+ if (iommu->need_sync)
+ iommu_completion_wait(iommu);
+
+out:
+ spin_unlock_irqrestore(&domain->lock, flags);
+
+ return addr;
+}
+
+static void unmap_single(struct device *dev, dma_addr_t dma_addr,
+ size_t size, int dir)
+{
+ unsigned long flags;
+ struct amd_iommu *iommu;
+ struct protection_domain *domain;
+ u16 devid;
+
+ if (!get_device_resources(dev, &iommu, &domain, &devid))
+ return;
+
+ spin_lock_irqsave(&domain->lock, flags);
+
+ __unmap_single(iommu, domain->priv, dma_addr, size, dir);
+
+ iommu_flush_pages(iommu, domain->id, dma_addr, size);
+
+ if (iommu->need_sync)
+ iommu_completion_wait(iommu);
+
+ spin_unlock_irqrestore(&domain->lock, flags);
+}
+
+static int map_sg_no_iommu(struct device *dev, struct scatterlist *sglist,
+ int nelems, int dir)
+{
+ struct scatterlist *s;
+ int i;
+
+ for_each_sg(sglist, s, nelems, i) {
+ s->dma_address = (dma_addr_t)sg_phys(s);
+ s->dma_length = s->length;
+ }
+
+ return nelems;
+}
+
+static int map_sg(struct device *dev, struct scatterlist *sglist,
+ int nelems, int dir)
+{
+ unsigned long flags;
+ struct amd_iommu *iommu;
+ struct protection_domain *domain;
+ u16 devid;
+ int i;
+ struct scatterlist *s;
+ phys_addr_t paddr;
+ int mapped_elems = 0;
+
+ get_device_resources(dev, &iommu, &domain, &devid);
+
+ if (!iommu || !domain)
+ return map_sg_no_iommu(dev, sglist, nelems, dir);
+
+ spin_lock_irqsave(&domain->lock, flags);
+
+ for_each_sg(sglist, s, nelems, i) {
+ paddr = sg_phys(s);
+
+ s->dma_address = __map_single(dev, iommu, domain->priv,
+ paddr, s->length, dir);
+
+ if (s->dma_address) {
+ s->dma_length = s->length;
+ mapped_elems++;
+ } else
+ goto unmap;
+ if (iommu_has_npcache(iommu))
+ iommu_flush_pages(iommu, domain->id, s->dma_address,
+ s->dma_length);
+ }
+
+ if (iommu->need_sync)
+ iommu_completion_wait(iommu);
+
+out:
+ spin_unlock_irqrestore(&domain->lock, flags);
+
+ return mapped_elems;
+unmap:
+ for_each_sg(sglist, s, mapped_elems, i) {
+ if (s->dma_address)
+ __unmap_single(iommu, domain->priv, s->dma_address,
+ s->dma_length, dir);
+ s->dma_address = s->dma_length = 0;
+ }
+
+ mapped_elems = 0;
+
+ goto out;
+}
+
+static void unmap_sg(struct device *dev, struct scatterlist *sglist,
+ int nelems, int dir)
+{
+ unsigned long flags;
+ struct amd_iommu *iommu;
+ struct protection_domain *domain;
+ struct scatterlist *s;
+ u16 devid;
+ int i;
+
+ if (!get_device_resources(dev, &iommu, &domain, &devid))
+ return;
+
+ spin_lock_irqsave(&domain->lock, flags);
+
+ for_each_sg(sglist, s, nelems, i) {
+ __unmap_single(iommu, domain->priv, s->dma_address,
+ s->dma_length, dir);
+ iommu_flush_pages(iommu, domain->id, s->dma_address,
+ s->dma_length);
+ s->dma_address = s->dma_length = 0;
+ }
+
+ if (iommu->need_sync)
+ iommu_completion_wait(iommu);
+
+ spin_unlock_irqrestore(&domain->lock, flags);
+}
+
+static void *alloc_coherent(struct device *dev, size_t size,
+ dma_addr_t *dma_addr, gfp_t flag)
+{
+ unsigned long flags;
+ void *virt_addr;
+ struct amd_iommu *iommu;
+ struct protection_domain *domain;
+ u16 devid;
+ phys_addr_t paddr;
+
+ virt_addr = (void *)__get_free_pages(flag, get_order(size));
+ if (!virt_addr)
+ return 0;
+
+ memset(virt_addr, 0, size);
+ paddr = virt_to_phys(virt_addr);
+
+ get_device_resources(dev, &iommu, &domain, &devid);
+
+ if (!iommu || !domain) {
+ *dma_addr = (dma_addr_t)paddr;
+ return virt_addr;
+ }
+
+ spin_lock_irqsave(&domain->lock, flags);
+
+ *dma_addr = __map_single(dev, iommu, domain->priv, paddr,
+ size, DMA_BIDIRECTIONAL);
+
+ if (*dma_addr == bad_dma_address) {
+ free_pages((unsigned long)virt_addr, get_order(size));
+ virt_addr = NULL;
+ goto out;
+ }
+
+ if (iommu_has_npcache(iommu))
+ iommu_flush_pages(iommu, domain->id, *dma_addr, size);
+
+ if (iommu->need_sync)
+ iommu_completion_wait(iommu);
+
+out:
+ spin_unlock_irqrestore(&domain->lock, flags);
+
+ return virt_addr;
+}
+
+static void free_coherent(struct device *dev, size_t size,
+ void *virt_addr, dma_addr_t dma_addr)
+{
+ unsigned long flags;
+ struct amd_iommu *iommu;
+ struct protection_domain *domain;
+ u16 devid;
+
+ get_device_resources(dev, &iommu, &domain, &devid);
+
+ if (!iommu || !domain)
+ goto free_mem;
+
+ spin_lock_irqsave(&domain->lock, flags);
+
+ __unmap_single(iommu, domain->priv, dma_addr, size, DMA_BIDIRECTIONAL);
+ iommu_flush_pages(iommu, domain->id, dma_addr, size);
+
+ if (iommu->need_sync)
+ iommu_completion_wait(iommu);
+
+ spin_unlock_irqrestore(&domain->lock, flags);
+
+free_mem:
+ free_pages((unsigned long)virt_addr, get_order(size));
+}
+
+/*
+ * If the driver core informs the DMA layer if a driver grabs a device
+ * we don't need to preallocate the protection domains anymore.
+ * For now we have to.
+ */
+void prealloc_protection_domains(void)
+{
+ struct pci_dev *dev = NULL;
+ struct dma_ops_domain *dma_dom;
+ struct amd_iommu *iommu;
+ int order = amd_iommu_aperture_order;
+ u16 devid;
+
+ while ((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) {
+ devid = (dev->bus->number << 8) | dev->devfn;
+ if (devid >= amd_iommu_last_bdf)
+ continue;
+ devid = amd_iommu_alias_table[devid];
+ if (domain_for_device(devid))
+ continue;
+ iommu = amd_iommu_rlookup_table[devid];
+ if (!iommu)
+ continue;
+ dma_dom = dma_ops_domain_alloc(iommu, order);
+ if (!dma_dom)
+ continue;
+ init_unity_mappings_for_device(dma_dom, devid);
+ set_device_domain(iommu, &dma_dom->domain, devid);
+ printk(KERN_INFO "AMD IOMMU: Allocated domain %d for device ",
+ dma_dom->domain.id);
+ print_devid(devid, 1);
+ }
+}
+
+static struct dma_mapping_ops amd_iommu_dma_ops = {
+ .alloc_coherent = alloc_coherent,
+ .free_coherent = free_coherent,
+ .map_single = map_single,
+ .unmap_single = unmap_single,
+ .map_sg = map_sg,
+ .unmap_sg = unmap_sg,
+};
+
+int __init amd_iommu_init_dma_ops(void)
+{
+ struct amd_iommu *iommu;
+ int order = amd_iommu_aperture_order;
+ int ret;
+
+ list_for_each_entry(iommu, &amd_iommu_list, list) {
+ iommu->default_dom = dma_ops_domain_alloc(iommu, order);
+ if (iommu->default_dom == NULL)
+ return -ENOMEM;
+ ret = iommu_init_unity_mappings(iommu);
+ if (ret)
+ goto free_domains;
+ }
+
+ if (amd_iommu_isolate)
+ prealloc_protection_domains();
+
+ iommu_detected = 1;
+ force_iommu = 1;
+ bad_dma_address = 0;
+#ifdef CONFIG_GART_IOMMU
+ gart_iommu_aperture_disabled = 1;
+ gart_iommu_aperture = 0;
+#endif
+
+ dma_ops = &amd_iommu_dma_ops;
+
+ return 0;
+
+free_domains:
+
+ list_for_each_entry(iommu, &amd_iommu_list, list) {
+ if (iommu->default_dom)
+ dma_ops_domain_free(iommu->default_dom);
+ }
+
+ return ret;
+}
diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c
new file mode 100644
index 00000000000..2a13e430437
--- /dev/null
+++ b/arch/x86/kernel/amd_iommu_init.c
@@ -0,0 +1,875 @@
+/*
+ * Copyright (C) 2007-2008 Advanced Micro Devices, Inc.
+ * Author: Joerg Roedel <joerg.roedel@amd.com>
+ * Leo Duran <leo.duran@amd.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <linux/pci.h>
+#include <linux/acpi.h>
+#include <linux/gfp.h>
+#include <linux/list.h>
+#include <linux/sysdev.h>
+#include <asm/pci-direct.h>
+#include <asm/amd_iommu_types.h>
+#include <asm/amd_iommu.h>
+#include <asm/gart.h>
+
+/*
+ * definitions for the ACPI scanning code
+ */
+#define UPDATE_LAST_BDF(x) do {\
+ if ((x) > amd_iommu_last_bdf) \
+ amd_iommu_last_bdf = (x); \
+ } while (0);
+
+#define DEVID(bus, devfn) (((bus) << 8) | (devfn))
+#define PCI_BUS(x) (((x) >> 8) & 0xff)
+#define IVRS_HEADER_LENGTH 48
+#define TBL_SIZE(x) (1 << (PAGE_SHIFT + get_order(amd_iommu_last_bdf * (x))))
+
+#define ACPI_IVHD_TYPE 0x10
+#define ACPI_IVMD_TYPE_ALL 0x20
+#define ACPI_IVMD_TYPE 0x21
+#define ACPI_IVMD_TYPE_RANGE 0x22
+
+#define IVHD_DEV_ALL 0x01
+#define IVHD_DEV_SELECT 0x02
+#define IVHD_DEV_SELECT_RANGE_START 0x03
+#define IVHD_DEV_RANGE_END 0x04
+#define IVHD_DEV_ALIAS 0x42
+#define IVHD_DEV_ALIAS_RANGE 0x43
+#define IVHD_DEV_EXT_SELECT 0x46
+#define IVHD_DEV_EXT_SELECT_RANGE 0x47
+
+#define IVHD_FLAG_HT_TUN_EN 0x00
+#define IVHD_FLAG_PASSPW_EN 0x01
+#define IVHD_FLAG_RESPASSPW_EN 0x02
+#define IVHD_FLAG_ISOC_EN 0x03
+
+#define IVMD_FLAG_EXCL_RANGE 0x08
+#define IVMD_FLAG_UNITY_MAP 0x01
+
+#define ACPI_DEVFLAG_INITPASS 0x01
+#define ACPI_DEVFLAG_EXTINT 0x02
+#define ACPI_DEVFLAG_NMI 0x04
+#define ACPI_DEVFLAG_SYSMGT1 0x10
+#define ACPI_DEVFLAG_SYSMGT2 0x20
+#define ACPI_DEVFLAG_LINT0 0x40
+#define ACPI_DEVFLAG_LINT1 0x80
+#define ACPI_DEVFLAG_ATSDIS 0x10000000
+
+struct ivhd_header {
+ u8 type;
+ u8 flags;
+ u16 length;
+ u16 devid;
+ u16 cap_ptr;
+ u64 mmio_phys;
+ u16 pci_seg;
+ u16 info;
+ u32 reserved;
+} __attribute__((packed));
+
+struct ivhd_entry {
+ u8 type;
+ u16 devid;
+ u8 flags;
+ u32 ext;
+} __attribute__((packed));
+
+struct ivmd_header {
+ u8 type;
+ u8 flags;
+ u16 length;
+ u16 devid;
+ u16 aux;
+ u64 resv;
+ u64 range_start;
+ u64 range_length;
+} __attribute__((packed));
+
+static int __initdata amd_iommu_detected;
+
+u16 amd_iommu_last_bdf;
+struct list_head amd_iommu_unity_map;
+unsigned amd_iommu_aperture_order = 26;
+int amd_iommu_isolate;
+
+struct list_head amd_iommu_list;
+struct dev_table_entry *amd_iommu_dev_table;
+u16 *amd_iommu_alias_table;
+struct amd_iommu **amd_iommu_rlookup_table;
+struct protection_domain **amd_iommu_pd_table;
+unsigned long *amd_iommu_pd_alloc_bitmap;
+
+static u32 dev_table_size;
+static u32 alias_table_size;
+static u32 rlookup_table_size;
+
+static void __init iommu_set_exclusion_range(struct amd_iommu *iommu)
+{
+ u64 start = iommu->exclusion_start & PAGE_MASK;
+ u64 limit = (start + iommu->exclusion_length) & PAGE_MASK;
+ u64 entry;
+
+ if (!iommu->exclusion_start)
+ return;
+
+ entry = start | MMIO_EXCL_ENABLE_MASK;
+ memcpy_toio(iommu->mmio_base + MMIO_EXCL_BASE_OFFSET,
+ &entry, sizeof(entry));
+
+ entry = limit;
+ memcpy_toio(iommu->mmio_base + MMIO_EXCL_LIMIT_OFFSET,
+ &entry, sizeof(entry));
+}
+
+static void __init iommu_set_device_table(struct amd_iommu *iommu)
+{
+ u32 entry;
+
+ BUG_ON(iommu->mmio_base == NULL);
+
+ entry = virt_to_phys(amd_iommu_dev_table);
+ entry |= (dev_table_size >> 12) - 1;
+ memcpy_toio(iommu->mmio_base + MMIO_DEV_TABLE_OFFSET,
+ &entry, sizeof(entry));
+}
+
+static void __init iommu_feature_enable(struct amd_iommu *iommu, u8 bit)
+{
+ u32 ctrl;
+
+ ctrl = readl(iommu->mmio_base + MMIO_CONTROL_OFFSET);
+ ctrl |= (1 << bit);
+ writel(ctrl, iommu->mmio_base + MMIO_CONTROL_OFFSET);
+}
+
+static void __init iommu_feature_disable(struct amd_iommu *iommu, u8 bit)
+{
+ u32 ctrl;
+
+ ctrl = (u64)readl(iommu->mmio_base + MMIO_CONTROL_OFFSET);
+ ctrl &= ~(1 << bit);
+ writel(ctrl, iommu->mmio_base + MMIO_CONTROL_OFFSET);
+}
+
+void __init iommu_enable(struct amd_iommu *iommu)
+{
+ printk(KERN_INFO "AMD IOMMU: Enabling IOMMU at ");
+ print_devid(iommu->devid, 0);
+ printk(" cap 0x%hx\n", iommu->cap_ptr);
+
+ iommu_feature_enable(iommu, CONTROL_IOMMU_EN);
+}
+
+static u8 * __init iommu_map_mmio_space(u64 address)
+{
+ u8 *ret;
+
+ if (!request_mem_region(address, MMIO_REGION_LENGTH, "amd_iommu"))
+ return NULL;
+
+ ret = ioremap_nocache(address, MMIO_REGION_LENGTH);
+ if (ret != NULL)
+ return ret;
+
+ release_mem_region(address, MMIO_REGION_LENGTH);
+
+ return NULL;
+}
+
+static void __init iommu_unmap_mmio_space(struct amd_iommu *iommu)
+{
+ if (iommu->mmio_base)
+ iounmap(iommu->mmio_base);
+ release_mem_region(iommu->mmio_phys, MMIO_REGION_LENGTH);
+}
+
+static int __init find_last_devid_on_pci(int bus, int dev, int fn, int cap_ptr)
+{
+ u32 cap;
+
+ cap = read_pci_config(bus, dev, fn, cap_ptr+MMIO_RANGE_OFFSET);
+ UPDATE_LAST_BDF(DEVID(MMIO_GET_BUS(cap), MMIO_GET_LD(cap)));
+
+ return 0;
+}
+
+static int __init find_last_devid_from_ivhd(struct ivhd_header *h)
+{
+ u8 *p = (void *)h, *end = (void *)h;
+ struct ivhd_entry *dev;
+
+ p += sizeof(*h);
+ end += h->length;
+
+ find_last_devid_on_pci(PCI_BUS(h->devid),
+ PCI_SLOT(h->devid),
+ PCI_FUNC(h->devid),
+ h->cap_ptr);
+
+ while (p < end) {
+ dev = (struct ivhd_entry *)p;
+ switch (dev->type) {
+ case IVHD_DEV_SELECT:
+ case IVHD_DEV_RANGE_END:
+ case IVHD_DEV_ALIAS:
+ case IVHD_DEV_EXT_SELECT:
+ UPDATE_LAST_BDF(dev->devid);
+ break;
+ default:
+ break;
+ }
+ p += 0x04 << (*p >> 6);
+ }
+
+ WARN_ON(p != end);
+
+ return 0;
+}
+
+static int __init find_last_devid_acpi(struct acpi_table_header *table)
+{
+ int i;
+ u8 checksum = 0, *p = (u8 *)table, *end = (u8 *)table;
+ struct ivhd_header *h;
+
+ /*
+ * Validate checksum here so we don't need to do it when
+ * we actually parse the table
+ */
+ for (i = 0; i < table->length; ++i)
+ checksum += p[i];
+ if (checksum != 0)
+ /* ACPI table corrupt */
+ return -ENODEV;
+
+ p += IVRS_HEADER_LENGTH;
+
+ end += table->length;
+ while (p < end) {
+ h = (struct ivhd_header *)p;
+ switch (h->type) {
+ case ACPI_IVHD_TYPE:
+ find_last_devid_from_ivhd(h);
+ break;
+ default:
+ break;
+ }
+ p += h->length;
+ }
+ WARN_ON(p != end);
+
+ return 0;
+}
+
+static u8 * __init alloc_command_buffer(struct amd_iommu *iommu)
+{
+ u8 *cmd_buf = (u8 *)__get_free_pages(GFP_KERNEL,
+ get_order(CMD_BUFFER_SIZE));
+ u64 entry = 0;
+
+ if (cmd_buf == NULL)
+ return NULL;
+
+ iommu->cmd_buf_size = CMD_BUFFER_SIZE;
+
+ memset(cmd_buf, 0, CMD_BUFFER_SIZE);
+
+ entry = (u64)virt_to_phys(cmd_buf);
+ entry |= MMIO_CMD_SIZE_512;
+ memcpy_toio(iommu->mmio_base + MMIO_CMD_BUF_OFFSET,
+ &entry, sizeof(entry));
+
+ iommu_feature_enable(iommu, CONTROL_CMDBUF_EN);
+
+ return cmd_buf;
+}
+
+static void __init free_command_buffer(struct amd_iommu *iommu)
+{
+ if (iommu->cmd_buf)
+ free_pages((unsigned long)iommu->cmd_buf,
+ get_order(CMD_BUFFER_SIZE));
+}
+
+static void set_dev_entry_bit(u16 devid, u8 bit)
+{
+ int i = (bit >> 5) & 0x07;
+ int _bit = bit & 0x1f;
+
+ amd_iommu_dev_table[devid].data[i] |= (1 << _bit);
+}
+
+static void __init set_dev_entry_from_acpi(u16 devid, u32 flags, u32 ext_flags)
+{
+ if (flags & ACPI_DEVFLAG_INITPASS)
+ set_dev_entry_bit(devid, DEV_ENTRY_INIT_PASS);
+ if (flags & ACPI_DEVFLAG_EXTINT)
+ set_dev_entry_bit(devid, DEV_ENTRY_EINT_PASS);
+ if (flags & ACPI_DEVFLAG_NMI)
+ set_dev_entry_bit(devid, DEV_ENTRY_NMI_PASS);
+ if (flags & ACPI_DEVFLAG_SYSMGT1)
+ set_dev_entry_bit(devid, DEV_ENTRY_SYSMGT1);
+ if (flags & ACPI_DEVFLAG_SYSMGT2)
+ set_dev_entry_bit(devid, DEV_ENTRY_SYSMGT2);
+ if (flags & ACPI_DEVFLAG_LINT0)
+ set_dev_entry_bit(devid, DEV_ENTRY_LINT0_PASS);
+ if (flags & ACPI_DEVFLAG_LINT1)
+ set_dev_entry_bit(devid, DEV_ENTRY_LINT1_PASS);
+}
+
+static void __init set_iommu_for_device(struct amd_iommu *iommu, u16 devid)
+{
+ amd_iommu_rlookup_table[devid] = iommu;
+}
+
+static void __init set_device_exclusion_range(u16 devid, struct ivmd_header *m)
+{
+ struct amd_iommu *iommu = amd_iommu_rlookup_table[devid];
+
+ if (!(m->flags & IVMD_FLAG_EXCL_RANGE))
+ return;
+
+ if (iommu) {
+ set_dev_entry_bit(m->devid, DEV_ENTRY_EX);
+ iommu->exclusion_start = m->range_start;
+ iommu->exclusion_length = m->range_length;
+ }
+}
+
+static void __init init_iommu_from_pci(struct amd_iommu *iommu)
+{
+ int bus = PCI_BUS(iommu->devid);
+ int dev = PCI_SLOT(iommu->devid);
+ int fn = PCI_FUNC(iommu->devid);
+ int cap_ptr = iommu->cap_ptr;
+ u32 range;
+
+ iommu->cap = read_pci_config(bus, dev, fn, cap_ptr+MMIO_CAP_HDR_OFFSET);
+
+ range = read_pci_config(bus, dev, fn, cap_ptr+MMIO_RANGE_OFFSET);
+ iommu->first_device = DEVID(MMIO_GET_BUS(range), MMIO_GET_FD(range));
+ iommu->last_device = DEVID(MMIO_GET_BUS(range), MMIO_GET_LD(range));
+}
+
+static void __init init_iommu_from_acpi(struct amd_iommu *iommu,
+ struct ivhd_header *h)
+{
+ u8 *p = (u8 *)h;
+ u8 *end = p, flags = 0;
+ u16 dev_i, devid = 0, devid_start = 0, devid_to = 0;
+ u32 ext_flags = 0;
+ bool alias = 0;
+ struct ivhd_entry *e;
+
+ /*
+ * First set the recommended feature enable bits from ACPI
+ * into the IOMMU control registers
+ */
+ h->flags & IVHD_FLAG_HT_TUN_EN ?
+ iommu_feature_enable(iommu, CONTROL_HT_TUN_EN) :
+ iommu_feature_disable(iommu, CONTROL_HT_TUN_EN);
+
+ h->flags & IVHD_FLAG_PASSPW_EN ?
+ iommu_feature_enable(iommu, CONTROL_PASSPW_EN) :
+ iommu_feature_disable(iommu, CONTROL_PASSPW_EN);
+
+ h->flags & IVHD_FLAG_RESPASSPW_EN ?
+ iommu_feature_enable(iommu, CONTROL_RESPASSPW_EN) :
+ iommu_feature_disable(iommu, CONTROL_RESPASSPW_EN);
+
+ h->flags & IVHD_FLAG_ISOC_EN ?
+ iommu_feature_enable(iommu, CONTROL_ISOC_EN) :
+ iommu_feature_disable(iommu, CONTROL_ISOC_EN);
+
+ /*
+ * make IOMMU memory accesses cache coherent
+ */
+ iommu_feature_enable(iommu, CONTROL_COHERENT_EN);
+
+ /*
+ * Done. Now parse the device entries
+ */
+ p += sizeof(struct ivhd_header);
+ end += h->length;
+
+ while (p < end) {
+ e = (struct ivhd_entry *)p;
+ switch (e->type) {
+ case IVHD_DEV_ALL:
+ for (dev_i = iommu->first_device;
+ dev_i <= iommu->last_device; ++dev_i)
+ set_dev_entry_from_acpi(dev_i, e->flags, 0);
+ break;
+ case IVHD_DEV_SELECT:
+ devid = e->devid;
+ set_dev_entry_from_acpi(devid, e->flags, 0);
+ break;
+ case IVHD_DEV_SELECT_RANGE_START:
+ devid_start = e->devid;
+ flags = e->flags;
+ ext_flags = 0;
+ alias = 0;
+ break;
+ case IVHD_DEV_ALIAS:
+ devid = e->devid;
+ devid_to = e->ext >> 8;
+ set_dev_entry_from_acpi(devid, e->flags, 0);
+ amd_iommu_alias_table[devid] = devid_to;
+ break;
+ case IVHD_DEV_ALIAS_RANGE:
+ devid_start = e->devid;
+ flags = e->flags;
+ devid_to = e->ext >> 8;
+ ext_flags = 0;
+ alias = 1;
+ break;
+ case IVHD_DEV_EXT_SELECT:
+ devid = e->devid;
+ set_dev_entry_from_acpi(devid, e->flags, e->ext);
+ break;
+ case IVHD_DEV_EXT_SELECT_RANGE:
+ devid_start = e->devid;
+ flags = e->flags;
+ ext_flags = e->ext;
+ alias = 0;
+ break;
+ case IVHD_DEV_RANGE_END:
+ devid = e->devid;
+ for (dev_i = devid_start; dev_i <= devid; ++dev_i) {
+ if (alias)
+ amd_iommu_alias_table[dev_i] = devid_to;
+ set_dev_entry_from_acpi(
+ amd_iommu_alias_table[dev_i],
+ flags, ext_flags);
+ }
+ break;
+ default:
+ break;
+ }
+
+ p += 0x04 << (e->type >> 6);
+ }
+}
+
+static int __init init_iommu_devices(struct amd_iommu *iommu)
+{
+ u16 i;
+
+ for (i = iommu->first_device; i <= iommu->last_device; ++i)
+ set_iommu_for_device(iommu, i);
+
+ return 0;
+}
+
+static void __init free_iommu_one(struct amd_iommu *iommu)
+{
+ free_command_buffer(iommu);
+ iommu_unmap_mmio_space(iommu);
+}
+
+static void __init free_iommu_all(void)
+{
+ struct amd_iommu *iommu, *next;
+
+ list_for_each_entry_safe(iommu, next, &amd_iommu_list, list) {
+ list_del(&iommu->list);
+ free_iommu_one(iommu);
+ kfree(iommu);
+ }
+}
+
+static int __init init_iommu_one(struct amd_iommu *iommu, struct ivhd_header *h)
+{
+ spin_lock_init(&iommu->lock);
+ list_add_tail(&iommu->list, &amd_iommu_list);
+
+ /*
+ * Copy data from ACPI table entry to the iommu struct
+ */
+ iommu->devid = h->devid;
+ iommu->cap_ptr = h->cap_ptr;
+ iommu->mmio_phys = h->mmio_phys;
+ iommu->mmio_base = iommu_map_mmio_space(h->mmio_phys);
+ if (!iommu->mmio_base)
+ return -ENOMEM;
+
+ iommu_set_device_table(iommu);
+ iommu->cmd_buf = alloc_command_buffer(iommu);
+ if (!iommu->cmd_buf)
+ return -ENOMEM;
+
+ init_iommu_from_pci(iommu);
+ init_iommu_from_acpi(iommu, h);
+ init_iommu_devices(iommu);
+
+ return 0;
+}
+
+static int __init init_iommu_all(struct acpi_table_header *table)
+{
+ u8 *p = (u8 *)table, *end = (u8 *)table;
+ struct ivhd_header *h;
+ struct amd_iommu *iommu;
+ int ret;
+
+ INIT_LIST_HEAD(&amd_iommu_list);
+
+ end += table->length;
+ p += IVRS_HEADER_LENGTH;
+
+ while (p < end) {
+ h = (struct ivhd_header *)p;
+ switch (*p) {
+ case ACPI_IVHD_TYPE:
+ iommu = kzalloc(sizeof(struct amd_iommu), GFP_KERNEL);
+ if (iommu == NULL)
+ return -ENOMEM;
+ ret = init_iommu_one(iommu, h);
+ if (ret)
+ return ret;
+ break;
+ default:
+ break;
+ }
+ p += h->length;
+
+ }
+ WARN_ON(p != end);
+
+ return 0;
+}
+
+static void __init free_unity_maps(void)
+{
+ struct unity_map_entry *entry, *next;
+
+ list_for_each_entry_safe(entry, next, &amd_iommu_unity_map, list) {
+ list_del(&entry->list);
+ kfree(entry);
+ }
+}
+
+static int __init init_exclusion_range(struct ivmd_header *m)
+{
+ int i;
+
+ switch (m->type) {
+ case ACPI_IVMD_TYPE:
+ set_device_exclusion_range(m->devid, m);
+ break;
+ case ACPI_IVMD_TYPE_ALL:
+ for (i = 0; i < amd_iommu_last_bdf; ++i)
+ set_device_exclusion_range(i, m);
+ break;
+ case ACPI_IVMD_TYPE_RANGE:
+ for (i = m->devid; i <= m->aux; ++i)
+ set_device_exclusion_range(i, m);
+ break;
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+static int __init init_unity_map_range(struct ivmd_header *m)
+{
+ struct unity_map_entry *e = 0;
+
+ e = kzalloc(sizeof(*e), GFP_KERNEL);
+ if (e == NULL)
+ return -ENOMEM;
+
+ switch (m->type) {
+ default:
+ case ACPI_IVMD_TYPE:
+ e->devid_start = e->devid_end = m->devid;
+ break;
+ case ACPI_IVMD_TYPE_ALL:
+ e->devid_start = 0;
+ e->devid_end = amd_iommu_last_bdf;
+ break;
+ case ACPI_IVMD_TYPE_RANGE:
+ e->devid_start = m->devid;
+ e->devid_end = m->aux;
+ break;
+ }
+ e->address_start = PAGE_ALIGN(m->range_start);
+ e->address_end = e->address_start + PAGE_ALIGN(m->range_length);
+ e->prot = m->flags >> 1;
+
+ list_add_tail(&e->list, &amd_iommu_unity_map);
+
+ return 0;
+}
+
+static int __init init_memory_definitions(struct acpi_table_header *table)
+{
+ u8 *p = (u8 *)table, *end = (u8 *)table;
+ struct ivmd_header *m;
+
+ INIT_LIST_HEAD(&amd_iommu_unity_map);
+
+ end += table->length;
+ p += IVRS_HEADER_LENGTH;
+
+ while (p < end) {
+ m = (struct ivmd_header *)p;
+ if (m->flags & IVMD_FLAG_EXCL_RANGE)
+ init_exclusion_range(m);
+ else if (m->flags & IVMD_FLAG_UNITY_MAP)
+ init_unity_map_range(m);
+
+ p += m->length;
+ }
+
+ return 0;
+}
+
+static void __init enable_iommus(void)
+{
+ struct amd_iommu *iommu;
+
+ list_for_each_entry(iommu, &amd_iommu_list, list) {
+ iommu_set_exclusion_range(iommu);
+ iommu_enable(iommu);
+ }
+}
+
+/*
+ * Suspend/Resume support
+ * disable suspend until real resume implemented
+ */
+
+static int amd_iommu_resume(struct sys_device *dev)
+{
+ return 0;
+}
+
+static int amd_iommu_suspend(struct sys_device *dev, pm_message_t state)
+{
+ return -EINVAL;
+}
+
+static struct sysdev_class amd_iommu_sysdev_class = {
+ .name = "amd_iommu",
+ .suspend = amd_iommu_suspend,
+ .resume = amd_iommu_resume,
+};
+
+static struct sys_device device_amd_iommu = {
+ .id = 0,
+ .cls = &amd_iommu_sysdev_class,
+};
+
+int __init amd_iommu_init(void)
+{
+ int i, ret = 0;
+
+
+ if (no_iommu) {
+ printk(KERN_INFO "AMD IOMMU disabled by kernel command line\n");
+ return 0;
+ }
+
+ if (!amd_iommu_detected)
+ return -ENODEV;
+
+ /*
+ * First parse ACPI tables to find the largest Bus/Dev/Func
+ * we need to handle. Upon this information the shared data
+ * structures for the IOMMUs in the system will be allocated
+ */
+ if (acpi_table_parse("IVRS", find_last_devid_acpi) != 0)
+ return -ENODEV;
+
+ dev_table_size = TBL_SIZE(DEV_TABLE_ENTRY_SIZE);
+ alias_table_size = TBL_SIZE(ALIAS_TABLE_ENTRY_SIZE);
+ rlookup_table_size = TBL_SIZE(RLOOKUP_TABLE_ENTRY_SIZE);
+
+ ret = -ENOMEM;
+
+ /* Device table - directly used by all IOMMUs */
+ amd_iommu_dev_table = (void *)__get_free_pages(GFP_KERNEL,
+ get_order(dev_table_size));
+ if (amd_iommu_dev_table == NULL)
+ goto out;
+
+ /*
+ * Alias table - map PCI Bus/Dev/Func to Bus/Dev/Func the
+ * IOMMU see for that device
+ */
+ amd_iommu_alias_table = (void *)__get_free_pages(GFP_KERNEL,
+ get_order(alias_table_size));
+ if (amd_iommu_alias_table == NULL)
+ goto free;
+
+ /* IOMMU rlookup table - find the IOMMU for a specific device */
+ amd_iommu_rlookup_table = (void *)__get_free_pages(GFP_KERNEL,
+ get_order(rlookup_table_size));
+ if (amd_iommu_rlookup_table == NULL)
+ goto free;
+
+ /*
+ * Protection Domain table - maps devices to protection domains
+ * This table has the same size as the rlookup_table
+ */
+ amd_iommu_pd_table = (void *)__get_free_pages(GFP_KERNEL,
+ get_order(rlookup_table_size));
+ if (amd_iommu_pd_table == NULL)
+ goto free;
+
+ amd_iommu_pd_alloc_bitmap = (void *)__get_free_pages(GFP_KERNEL,
+ get_order(MAX_DOMAIN_ID/8));
+ if (amd_iommu_pd_alloc_bitmap == NULL)
+ goto free;
+
+ /*
+ * memory is allocated now; initialize the device table with all zeroes
+ * and let all alias entries point to itself
+ */
+ memset(amd_iommu_dev_table, 0, dev_table_size);
+ for (i = 0; i < amd_iommu_last_bdf; ++i)
+ amd_iommu_alias_table[i] = i;
+
+ memset(amd_iommu_pd_table, 0, rlookup_table_size);
+ memset(amd_iommu_pd_alloc_bitmap, 0, MAX_DOMAIN_ID / 8);
+
+ /*
+ * never allocate domain 0 because its used as the non-allocated and
+ * error value placeholder
+ */
+ amd_iommu_pd_alloc_bitmap[0] = 1;
+
+ /*
+ * now the data structures are allocated and basically initialized
+ * start the real acpi table scan
+ */
+ ret = -ENODEV;
+ if (acpi_table_parse("IVRS", init_iommu_all) != 0)
+ goto free;
+
+ if (acpi_table_parse("IVRS", init_memory_definitions) != 0)
+ goto free;
+
+ ret = amd_iommu_init_dma_ops();
+ if (ret)
+ goto free;
+
+ ret = sysdev_class_register(&amd_iommu_sysdev_class);
+ if (ret)
+ goto free;
+
+ ret = sysdev_register(&device_amd_iommu);
+ if (ret)
+ goto free;
+
+ enable_iommus();
+
+ printk(KERN_INFO "AMD IOMMU: aperture size is %d MB\n",
+ (1 << (amd_iommu_aperture_order-20)));
+
+ printk(KERN_INFO "AMD IOMMU: device isolation ");
+ if (amd_iommu_isolate)
+ printk("enabled\n");
+ else
+ printk("disabled\n");
+
+out:
+ return ret;
+
+free:
+ if (amd_iommu_pd_alloc_bitmap)
+ free_pages((unsigned long)amd_iommu_pd_alloc_bitmap, 1);
+
+ if (amd_iommu_pd_table)
+ free_pages((unsigned long)amd_iommu_pd_table,
+ get_order(rlookup_table_size));
+
+ if (amd_iommu_rlookup_table)
+ free_pages((unsigned long)amd_iommu_rlookup_table,
+ get_order(rlookup_table_size));
+
+ if (amd_iommu_alias_table)
+ free_pages((unsigned long)amd_iommu_alias_table,
+ get_order(alias_table_size));
+
+ if (amd_iommu_dev_table)
+ free_pages((unsigned long)amd_iommu_dev_table,
+ get_order(dev_table_size));
+
+ free_iommu_all();
+
+ free_unity_maps();
+
+ goto out;
+}
+
+static int __init early_amd_iommu_detect(struct acpi_table_header *table)
+{
+ return 0;
+}
+
+void __init amd_iommu_detect(void)
+{
+ if (swiotlb || no_iommu || iommu_detected)
+ return;
+
+ if (acpi_table_parse("IVRS", early_amd_iommu_detect) == 0) {
+ iommu_detected = 1;
+ amd_iommu_detected = 1;
+#ifdef CONFIG_GART_IOMMU
+ gart_iommu_aperture_disabled = 1;
+ gart_iommu_aperture = 0;
+#endif
+ }
+}
+
+static int __init parse_amd_iommu_options(char *str)
+{
+ for (; *str; ++str) {
+ if (strcmp(str, "isolate") == 0)
+ amd_iommu_isolate = 1;
+ }
+
+ return 1;
+}
+
+static int __init parse_amd_iommu_size_options(char *str)
+{
+ for (; *str; ++str) {
+ if (strcmp(str, "32M") == 0)
+ amd_iommu_aperture_order = 25;
+ if (strcmp(str, "64M") == 0)
+ amd_iommu_aperture_order = 26;
+ if (strcmp(str, "128M") == 0)
+ amd_iommu_aperture_order = 27;
+ if (strcmp(str, "256M") == 0)
+ amd_iommu_aperture_order = 28;
+ if (strcmp(str, "512M") == 0)
+ amd_iommu_aperture_order = 29;
+ if (strcmp(str, "1G") == 0)
+ amd_iommu_aperture_order = 30;
+ }
+
+ return 1;
+}
+
+__setup("amd_iommu=", parse_amd_iommu_options);
+__setup("amd_iommu_size=", parse_amd_iommu_size_options);
diff --git a/arch/x86/kernel/aperture_64.c b/arch/x86/kernel/aperture_64.c
index 479926d9e00..9f907806c1a 100644
--- a/arch/x86/kernel/aperture_64.c
+++ b/arch/x86/kernel/aperture_64.c
@@ -35,6 +35,18 @@ int fallback_aper_force __initdata;
int fix_aperture __initdata = 1;
+struct bus_dev_range {
+ int bus;
+ int dev_base;
+ int dev_limit;
+};
+
+static struct bus_dev_range bus_dev_ranges[] __initdata = {
+ { 0x00, 0x18, 0x20},
+ { 0xff, 0x00, 0x20},
+ { 0xfe, 0x00, 0x20}
+};
+
static struct resource gart_resource = {
.name = "GART",
.flags = IORESOURCE_MEM,
@@ -55,8 +67,9 @@ static u32 __init allocate_aperture(void)
u32 aper_size;
void *p;
- if (fallback_aper_order > 7)
- fallback_aper_order = 7;
+ /* aper_size should <= 1G */
+ if (fallback_aper_order > 5)
+ fallback_aper_order = 5;
aper_size = (32 * 1024 * 1024) << fallback_aper_order;
/*
@@ -65,7 +78,20 @@ static u32 __init allocate_aperture(void)
* memory. Unfortunately we cannot move it up because that would
* make the IOMMU useless.
*/
- p = __alloc_bootmem_nopanic(aper_size, aper_size, 0);
+ /*
+ * using 512M as goal, in case kexec will load kernel_big
+ * that will do the on position decompress, and could overlap with
+ * that positon with gart that is used.
+ * sequende:
+ * kernel_small
+ * ==> kexec (with kdump trigger path or previous doesn't shutdown gart)
+ * ==> kernel_small(gart area become e820_reserved)
+ * ==> kexec (with kdump trigger path or previous doesn't shutdown gart)
+ * ==> kerne_big (uncompressed size will be big than 64M or 128M)
+ * so don't use 512M below as gart iommu, leave the space for kernel
+ * code for safe
+ */
+ p = __alloc_bootmem_nopanic(aper_size, aper_size, 512ULL<<20);
if (!p || __pa(p)+aper_size > 0xffffffff) {
printk(KERN_ERR
"Cannot allocate aperture memory hole (%p,%uK)\n",
@@ -83,69 +109,53 @@ static u32 __init allocate_aperture(void)
return (u32)__pa(p);
}
-static int __init aperture_valid(u64 aper_base, u32 aper_size)
-{
- if (!aper_base)
- return 0;
-
- if (aper_base + aper_size > 0x100000000UL) {
- printk(KERN_ERR "Aperture beyond 4GB. Ignoring.\n");
- return 0;
- }
- if (e820_any_mapped(aper_base, aper_base + aper_size, E820_RAM)) {
- printk(KERN_ERR "Aperture pointing to e820 RAM. Ignoring.\n");
- return 0;
- }
- if (aper_size < 64*1024*1024) {
- printk(KERN_ERR "Aperture too small (%d MB)\n", aper_size>>20);
- return 0;
- }
-
- return 1;
-}
/* Find a PCI capability */
-static __u32 __init find_cap(int num, int slot, int func, int cap)
+static u32 __init find_cap(int bus, int slot, int func, int cap)
{
int bytes;
u8 pos;
- if (!(read_pci_config_16(num, slot, func, PCI_STATUS) &
+ if (!(read_pci_config_16(bus, slot, func, PCI_STATUS) &
PCI_STATUS_CAP_LIST))
return 0;
- pos = read_pci_config_byte(num, slot, func, PCI_CAPABILITY_LIST);
+ pos = read_pci_config_byte(bus, slot, func, PCI_CAPABILITY_LIST);
for (bytes = 0; bytes < 48 && pos >= 0x40; bytes++) {
u8 id;
pos &= ~3;
- id = read_pci_config_byte(num, slot, func, pos+PCI_CAP_LIST_ID);
+ id = read_pci_config_byte(bus, slot, func, pos+PCI_CAP_LIST_ID);
if (id == 0xff)
break;
if (id == cap)
return pos;
- pos = read_pci_config_byte(num, slot, func,
+ pos = read_pci_config_byte(bus, slot, func,
pos+PCI_CAP_LIST_NEXT);
}
return 0;
}
/* Read a standard AGPv3 bridge header */
-static __u32 __init read_agp(int num, int slot, int func, int cap, u32 *order)
+static u32 __init read_agp(int bus, int slot, int func, int cap, u32 *order)
{
u32 apsize;
u32 apsizereg;
int nbits;
u32 aper_low, aper_hi;
u64 aper;
+ u32 old_order;
- printk(KERN_INFO "AGP bridge at %02x:%02x:%02x\n", num, slot, func);
- apsizereg = read_pci_config_16(num, slot, func, cap + 0x14);
+ printk(KERN_INFO "AGP bridge at %02x:%02x:%02x\n", bus, slot, func);
+ apsizereg = read_pci_config_16(bus, slot, func, cap + 0x14);
if (apsizereg == 0xffffffff) {
printk(KERN_ERR "APSIZE in AGP bridge unreadable\n");
return 0;
}
+ /* old_order could be the value from NB gart setting */
+ old_order = *order;
+
apsize = apsizereg & 0xfff;
/* Some BIOS use weird encodings not in the AGPv3 table. */
if (apsize & 0xff)
@@ -155,14 +165,26 @@ static __u32 __init read_agp(int num, int slot, int func, int cap, u32 *order)
if ((int)*order < 0) /* < 32MB */
*order = 0;
- aper_low = read_pci_config(num, slot, func, 0x10);
- aper_hi = read_pci_config(num, slot, func, 0x14);
+ aper_low = read_pci_config(bus, slot, func, 0x10);
+ aper_hi = read_pci_config(bus, slot, func, 0x14);
aper = (aper_low & ~((1<<22)-1)) | ((u64)aper_hi << 32);
+ /*
+ * On some sick chips, APSIZE is 0. It means it wants 4G
+ * so let double check that order, and lets trust AMD NB settings:
+ */
+ printk(KERN_INFO "Aperture from AGP @ %Lx old size %u MB\n",
+ aper, 32 << old_order);
+ if (aper + (32ULL<<(20 + *order)) > 0x100000000ULL) {
+ printk(KERN_INFO "Aperture size %u MB (APSIZE %x) is not right, using settings from NB\n",
+ 32 << *order, apsizereg);
+ *order = old_order;
+ }
+
printk(KERN_INFO "Aperture from AGP @ %Lx size %u MB (APSIZE %x)\n",
aper, 32 << *order, apsizereg);
- if (!aperture_valid(aper, (32*1024*1024) << *order))
+ if (!aperture_valid(aper, (32*1024*1024) << *order, 32<<20))
return 0;
return (u32)aper;
}
@@ -180,17 +202,17 @@ static __u32 __init read_agp(int num, int slot, int func, int cap, u32 *order)
* the AGP bridges should be always an own bus on the HT hierarchy,
* but do it here for future safety.
*/
-static __u32 __init search_agp_bridge(u32 *order, int *valid_agp)
+static u32 __init search_agp_bridge(u32 *order, int *valid_agp)
{
- int num, slot, func;
+ int bus, slot, func;
/* Poor man's PCI discovery */
- for (num = 0; num < 256; num++) {
+ for (bus = 0; bus < 256; bus++) {
for (slot = 0; slot < 32; slot++) {
for (func = 0; func < 8; func++) {
u32 class, cap;
u8 type;
- class = read_pci_config(num, slot, func,
+ class = read_pci_config(bus, slot, func,
PCI_CLASS_REVISION);
if (class == 0xffffffff)
break;
@@ -199,17 +221,17 @@ static __u32 __init search_agp_bridge(u32 *order, int *valid_agp)
case PCI_CLASS_BRIDGE_HOST:
case PCI_CLASS_BRIDGE_OTHER: /* needed? */
/* AGP bridge? */
- cap = find_cap(num, slot, func,
+ cap = find_cap(bus, slot, func,
PCI_CAP_ID_AGP);
if (!cap)
break;
*valid_agp = 1;
- return read_agp(num, slot, func, cap,
+ return read_agp(bus, slot, func, cap,
order);
}
/* No multi-function device? */
- type = read_pci_config_byte(num, slot, func,
+ type = read_pci_config_byte(bus, slot, func,
PCI_HEADER_TYPE);
if (!(type & 0x80))
break;
@@ -249,36 +271,50 @@ void __init early_gart_iommu_check(void)
* or BIOS forget to put that in reserved.
* try to update e820 to make that region as reserved.
*/
- int fix, num;
+ int i, fix, slot;
u32 ctl;
u32 aper_size = 0, aper_order = 0, last_aper_order = 0;
u64 aper_base = 0, last_aper_base = 0;
- int aper_enabled = 0, last_aper_enabled = 0;
+ int aper_enabled = 0, last_aper_enabled = 0, last_valid = 0;
if (!early_pci_allowed())
return;
+ /* This is mostly duplicate of iommu_hole_init */
fix = 0;
- for (num = 24; num < 32; num++) {
- if (!early_is_k8_nb(read_pci_config(0, num, 3, 0x00)))
- continue;
-
- ctl = read_pci_config(0, num, 3, 0x90);
- aper_enabled = ctl & 1;
- aper_order = (ctl >> 1) & 7;
- aper_size = (32 * 1024 * 1024) << aper_order;
- aper_base = read_pci_config(0, num, 3, 0x94) & 0x7fff;
- aper_base <<= 25;
-
- if ((last_aper_order && aper_order != last_aper_order) ||
- (last_aper_base && aper_base != last_aper_base) ||
- (last_aper_enabled && aper_enabled != last_aper_enabled)) {
- fix = 1;
- break;
+ for (i = 0; i < ARRAY_SIZE(bus_dev_ranges); i++) {
+ int bus;
+ int dev_base, dev_limit;
+
+ bus = bus_dev_ranges[i].bus;
+ dev_base = bus_dev_ranges[i].dev_base;
+ dev_limit = bus_dev_ranges[i].dev_limit;
+
+ for (slot = dev_base; slot < dev_limit; slot++) {
+ if (!early_is_k8_nb(read_pci_config(bus, slot, 3, 0x00)))
+ continue;
+
+ ctl = read_pci_config(bus, slot, 3, AMD64_GARTAPERTURECTL);
+ aper_enabled = ctl & AMD64_GARTEN;
+ aper_order = (ctl >> 1) & 7;
+ aper_size = (32 * 1024 * 1024) << aper_order;
+ aper_base = read_pci_config(bus, slot, 3, AMD64_GARTAPERTUREBASE) & 0x7fff;
+ aper_base <<= 25;
+
+ if (last_valid) {
+ if ((aper_order != last_aper_order) ||
+ (aper_base != last_aper_base) ||
+ (aper_enabled != last_aper_enabled)) {
+ fix = 1;
+ break;
+ }
+ }
+
+ last_aper_order = aper_order;
+ last_aper_base = aper_base;
+ last_aper_enabled = aper_enabled;
+ last_valid = 1;
}
- last_aper_order = aper_order;
- last_aper_base = aper_base;
- last_aper_enabled = aper_enabled;
}
if (!fix && !aper_enabled)
@@ -290,32 +326,46 @@ void __init early_gart_iommu_check(void)
if (gart_fix_e820 && !fix && aper_enabled) {
if (e820_any_mapped(aper_base, aper_base + aper_size,
E820_RAM)) {
- /* reserved it, so we can resuse it in second kernel */
+ /* reserve it, so we can reuse it in second kernel */
printk(KERN_INFO "update e820 for GART\n");
- add_memory_region(aper_base, aper_size, E820_RESERVED);
+ e820_add_region(aper_base, aper_size, E820_RESERVED);
update_e820();
}
- return;
}
+ if (!fix)
+ return;
+
/* different nodes have different setting, disable them all at first*/
- for (num = 24; num < 32; num++) {
- if (!early_is_k8_nb(read_pci_config(0, num, 3, 0x00)))
- continue;
+ for (i = 0; i < ARRAY_SIZE(bus_dev_ranges); i++) {
+ int bus;
+ int dev_base, dev_limit;
+
+ bus = bus_dev_ranges[i].bus;
+ dev_base = bus_dev_ranges[i].dev_base;
+ dev_limit = bus_dev_ranges[i].dev_limit;
+
+ for (slot = dev_base; slot < dev_limit; slot++) {
+ if (!early_is_k8_nb(read_pci_config(bus, slot, 3, 0x00)))
+ continue;
- ctl = read_pci_config(0, num, 3, 0x90);
- ctl &= ~1;
- write_pci_config(0, num, 3, 0x90, ctl);
+ ctl = read_pci_config(bus, slot, 3, AMD64_GARTAPERTURECTL);
+ ctl &= ~AMD64_GARTEN;
+ write_pci_config(bus, slot, 3, AMD64_GARTAPERTURECTL, ctl);
+ }
}
}
+static int __initdata printed_gart_size_msg;
+
void __init gart_iommu_hole_init(void)
{
+ u32 agp_aper_base = 0, agp_aper_order = 0;
u32 aper_size, aper_alloc = 0, aper_order = 0, last_aper_order = 0;
u64 aper_base, last_aper_base = 0;
- int fix, num, valid_agp = 0;
- int node;
+ int fix, slot, valid_agp = 0;
+ int i, node;
if (gart_iommu_aperture_disabled || !fix_aperture ||
!early_pci_allowed())
@@ -323,38 +373,65 @@ void __init gart_iommu_hole_init(void)
printk(KERN_INFO "Checking aperture...\n");
+ if (!fallback_aper_force)
+ agp_aper_base = search_agp_bridge(&agp_aper_order, &valid_agp);
+
fix = 0;
node = 0;
- for (num = 24; num < 32; num++) {
- if (!early_is_k8_nb(read_pci_config(0, num, 3, 0x00)))
- continue;
-
- iommu_detected = 1;
- gart_iommu_aperture = 1;
-
- aper_order = (read_pci_config(0, num, 3, 0x90) >> 1) & 7;
- aper_size = (32 * 1024 * 1024) << aper_order;
- aper_base = read_pci_config(0, num, 3, 0x94) & 0x7fff;
- aper_base <<= 25;
-
- printk(KERN_INFO "Node %d: aperture @ %Lx size %u MB\n",
- node, aper_base, aper_size >> 20);
- node++;
-
- if (!aperture_valid(aper_base, aper_size)) {
- fix = 1;
- break;
- }
+ for (i = 0; i < ARRAY_SIZE(bus_dev_ranges); i++) {
+ int bus;
+ int dev_base, dev_limit;
+
+ bus = bus_dev_ranges[i].bus;
+ dev_base = bus_dev_ranges[i].dev_base;
+ dev_limit = bus_dev_ranges[i].dev_limit;
+
+ for (slot = dev_base; slot < dev_limit; slot++) {
+ if (!early_is_k8_nb(read_pci_config(bus, slot, 3, 0x00)))
+ continue;
+
+ iommu_detected = 1;
+ gart_iommu_aperture = 1;
+
+ aper_order = (read_pci_config(bus, slot, 3, AMD64_GARTAPERTURECTL) >> 1) & 7;
+ aper_size = (32 * 1024 * 1024) << aper_order;
+ aper_base = read_pci_config(bus, slot, 3, AMD64_GARTAPERTUREBASE) & 0x7fff;
+ aper_base <<= 25;
+
+ printk(KERN_INFO "Node %d: aperture @ %Lx size %u MB\n",
+ node, aper_base, aper_size >> 20);
+ node++;
+
+ if (!aperture_valid(aper_base, aper_size, 64<<20)) {
+ if (valid_agp && agp_aper_base &&
+ agp_aper_base == aper_base &&
+ agp_aper_order == aper_order) {
+ /* the same between two setting from NB and agp */
+ if (!no_iommu &&
+ max_pfn > MAX_DMA32_PFN &&
+ !printed_gart_size_msg) {
+ printk(KERN_ERR "you are using iommu with agp, but GART size is less than 64M\n");
+ printk(KERN_ERR "please increase GART size in your BIOS setup\n");
+ printk(KERN_ERR "if BIOS doesn't have that option, contact your HW vendor!\n");
+ printed_gart_size_msg = 1;
+ }
+ } else {
+ fix = 1;
+ goto out;
+ }
+ }
- if ((last_aper_order && aper_order != last_aper_order) ||
- (last_aper_base && aper_base != last_aper_base)) {
- fix = 1;
- break;
+ if ((last_aper_order && aper_order != last_aper_order) ||
+ (last_aper_base && aper_base != last_aper_base)) {
+ fix = 1;
+ goto out;
+ }
+ last_aper_order = aper_order;
+ last_aper_base = aper_base;
}
- last_aper_order = aper_order;
- last_aper_base = aper_base;
}
+out:
if (!fix && !fallback_aper_force) {
if (last_aper_base) {
unsigned long n = (32 * 1024 * 1024) << last_aper_order;
@@ -364,14 +441,16 @@ void __init gart_iommu_hole_init(void)
return;
}
- if (!fallback_aper_force)
- aper_alloc = search_agp_bridge(&aper_order, &valid_agp);
+ if (!fallback_aper_force) {
+ aper_alloc = agp_aper_base;
+ aper_order = agp_aper_order;
+ }
if (aper_alloc) {
/* Got the aperture from the AGP bridge */
} else if (swiotlb && !valid_agp) {
/* Do nothing */
- } else if ((!no_iommu && end_pfn > MAX_DMA32_PFN) ||
+ } else if ((!no_iommu && max_pfn > MAX_DMA32_PFN) ||
force_iommu ||
valid_agp ||
fallback_aper_force) {
@@ -401,16 +480,24 @@ void __init gart_iommu_hole_init(void)
}
/* Fix up the north bridges */
- for (num = 24; num < 32; num++) {
- if (!early_is_k8_nb(read_pci_config(0, num, 3, 0x00)))
- continue;
-
- /*
- * Don't enable translation yet. That is done later.
- * Assume this BIOS didn't initialise the GART so
- * just overwrite all previous bits
- */
- write_pci_config(0, num, 3, 0x90, aper_order<<1);
- write_pci_config(0, num, 3, 0x94, aper_alloc>>25);
+ for (i = 0; i < ARRAY_SIZE(bus_dev_ranges); i++) {
+ int bus;
+ int dev_base, dev_limit;
+
+ bus = bus_dev_ranges[i].bus;
+ dev_base = bus_dev_ranges[i].dev_base;
+ dev_limit = bus_dev_ranges[i].dev_limit;
+ for (slot = dev_base; slot < dev_limit; slot++) {
+ if (!early_is_k8_nb(read_pci_config(bus, slot, 3, 0x00)))
+ continue;
+
+ /* Don't enable translation yet. That is done later.
+ Assume this BIOS didn't initialise the GART so
+ just overwrite all previous bits */
+ write_pci_config(bus, slot, 3, AMD64_GARTAPERTURECTL, aper_order << 1);
+ write_pci_config(bus, slot, 3, AMD64_GARTAPERTUREBASE, aper_alloc >> 25);
+ }
}
+
+ set_up_gart_resume(aper_order, aper_alloc);
}
diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c
index 4b99b1bdeb6..a437d027f20 100644
--- a/arch/x86/kernel/apic_32.c
+++ b/arch/x86/kernel/apic_32.c
@@ -52,30 +52,41 @@
unsigned long mp_lapic_addr;
-DEFINE_PER_CPU(u16, x86_bios_cpu_apicid) = BAD_APICID;
-EXPORT_PER_CPU_SYMBOL(x86_bios_cpu_apicid);
-
/*
* Knob to control our willingness to enable the local APIC.
*
- * -1=force-disable, +1=force-enable
+ * +1=force-enable
*/
-static int enable_local_apic __initdata;
+static int force_enable_local_apic;
+int disable_apic;
/* Local APIC timer verification ok */
static int local_apic_timer_verify_ok;
-/* Disable local APIC timer from the kernel commandline or via dmi quirk
- or using CPU MSR check */
-int local_apic_timer_disabled;
+/* Disable local APIC timer from the kernel commandline or via dmi quirk */
+static int local_apic_timer_disabled;
/* Local APIC timer works in C2 */
int local_apic_timer_c2_ok;
EXPORT_SYMBOL_GPL(local_apic_timer_c2_ok);
+int first_system_vector = 0xfe;
+
+char system_vectors[NR_VECTORS] = { [0 ... NR_VECTORS-1] = SYS_VECTOR_FREE};
+
/*
* Debug level, exported for io_apic.c
*/
int apic_verbosity;
+int pic_mode;
+
+/* Have we found an MP table */
+int smp_found_config;
+
+static struct resource lapic_resource = {
+ .name = "Local APIC",
+ .flags = IORESOURCE_MEM | IORESOURCE_BUSY,
+};
+
static unsigned int calibration_result;
static int lapic_next_event(unsigned long delta,
@@ -545,7 +556,7 @@ void __init setup_boot_APIC_clock(void)
lapic_clockevent.features &= ~CLOCK_EVT_FEAT_DUMMY;
else
printk(KERN_WARNING "APIC timer registered as dummy,"
- " due to nmi_watchdog=1!\n");
+ " due to nmi_watchdog=%d!\n", nmi_watchdog);
}
/* Setup the lapic or request the broadcast */
@@ -963,7 +974,7 @@ void __cpuinit setup_local_APIC(void)
* Double-check whether this APIC is really registered.
*/
if (!apic_id_registered())
- BUG();
+ WARN_ON_ONCE(1);
/*
* Intel recommends to set DFR, LDR and TPR before enabling
@@ -1094,7 +1105,7 @@ static int __init detect_init_APIC(void)
u32 h, l, features;
/* Disabled by kernel option? */
- if (enable_local_apic < 0)
+ if (disable_apic)
return -1;
switch (boot_cpu_data.x86_vendor) {
@@ -1117,7 +1128,7 @@ static int __init detect_init_APIC(void)
* Over-ride BIOS and try to enable the local APIC only if
* "lapic" specified.
*/
- if (enable_local_apic <= 0) {
+ if (!force_enable_local_apic) {
printk(KERN_INFO "Local APIC disabled by BIOS -- "
"you can enable it with \"lapic\"\n");
return -1;
@@ -1154,9 +1165,6 @@ static int __init detect_init_APIC(void)
if (l & MSR_IA32_APICBASE_ENABLE)
mp_lapic_addr = l & MSR_IA32_APICBASE_BASE;
- if (nmi_watchdog != NMI_NONE && nmi_watchdog != NMI_DISABLED)
- nmi_watchdog = NMI_LOCAL_APIC;
-
printk(KERN_INFO "Found and enabled local APIC!\n");
apic_pm_activate();
@@ -1195,36 +1203,6 @@ void __init init_apic_mappings(void)
if (boot_cpu_physical_apicid == -1U)
boot_cpu_physical_apicid = GET_APIC_ID(read_apic_id());
-#ifdef CONFIG_X86_IO_APIC
- {
- unsigned long ioapic_phys, idx = FIX_IO_APIC_BASE_0;
- int i;
-
- for (i = 0; i < nr_ioapics; i++) {
- if (smp_found_config) {
- ioapic_phys = mp_ioapics[i].mpc_apicaddr;
- if (!ioapic_phys) {
- printk(KERN_ERR
- "WARNING: bogus zero IO-APIC "
- "address found in MPTABLE, "
- "disabling IO/APIC support!\n");
- smp_found_config = 0;
- skip_ioapic_setup = 1;
- goto fake_ioapic_page;
- }
- } else {
-fake_ioapic_page:
- ioapic_phys = (unsigned long)
- alloc_bootmem_pages(PAGE_SIZE);
- ioapic_phys = __pa(ioapic_phys);
- }
- set_fixmap_nocache(idx, ioapic_phys);
- printk(KERN_DEBUG "mapped IOAPIC to %08lx (%08lx)\n",
- __fix_to_virt(idx), ioapic_phys);
- idx++;
- }
- }
-#endif
}
/*
@@ -1236,7 +1214,7 @@ int apic_version[MAX_APICS];
int __init APIC_init_uniprocessor(void)
{
- if (enable_local_apic < 0)
+ if (disable_apic)
clear_cpu_cap(&boot_cpu_data, X86_FEATURE_APIC);
if (!smp_found_config && !cpu_has_apic)
@@ -1265,10 +1243,14 @@ int __init APIC_init_uniprocessor(void)
#ifdef CONFIG_CRASH_DUMP
boot_cpu_physical_apicid = GET_APIC_ID(read_apic_id());
#endif
- phys_cpu_present_map = physid_mask_of_physid(boot_cpu_physical_apicid);
+ physid_set_mask_of_physid(boot_cpu_physical_apicid, &phys_cpu_present_map);
setup_local_APIC();
+#ifdef CONFIG_X86_IO_APIC
+ if (!smp_found_config || skip_ioapic_setup || !nr_ioapics)
+#endif
+ localise_nmi_watchdog();
end_local_APIC_setup();
#ifdef CONFIG_X86_IO_APIC
if (smp_found_config)
@@ -1351,13 +1333,17 @@ void __init smp_intr_init(void)
* The reschedule interrupt is a CPU-to-CPU reschedule-helper
* IPI, driven by wakeup.
*/
- set_intr_gate(RESCHEDULE_VECTOR, reschedule_interrupt);
+ alloc_intr_gate(RESCHEDULE_VECTOR, reschedule_interrupt);
/* IPI for invalidation */
- set_intr_gate(INVALIDATE_TLB_VECTOR, invalidate_interrupt);
+ alloc_intr_gate(INVALIDATE_TLB_VECTOR, invalidate_interrupt);
/* IPI for generic function call */
- set_intr_gate(CALL_FUNCTION_VECTOR, call_function_interrupt);
+ alloc_intr_gate(CALL_FUNCTION_VECTOR, call_function_interrupt);
+
+ /* IPI for single call function */
+ set_intr_gate(CALL_FUNCTION_SINGLE_VECTOR,
+ call_function_single_interrupt);
}
#endif
@@ -1370,15 +1356,15 @@ void __init apic_intr_init(void)
smp_intr_init();
#endif
/* self generated IPI for local APIC timer */
- set_intr_gate(LOCAL_TIMER_VECTOR, apic_timer_interrupt);
+ alloc_intr_gate(LOCAL_TIMER_VECTOR, apic_timer_interrupt);
/* IPI vectors for APIC spurious and error interrupts */
- set_intr_gate(SPURIOUS_APIC_VECTOR, spurious_interrupt);
- set_intr_gate(ERROR_APIC_VECTOR, error_interrupt);
+ alloc_intr_gate(SPURIOUS_APIC_VECTOR, spurious_interrupt);
+ alloc_intr_gate(ERROR_APIC_VECTOR, error_interrupt);
/* thermal monitor LVT interrupt */
#ifdef CONFIG_X86_MCE_P4THERMAL
- set_intr_gate(THERMAL_APIC_VECTOR, thermal_interrupt);
+ alloc_intr_gate(THERMAL_APIC_VECTOR, thermal_interrupt);
#endif
}
@@ -1513,6 +1499,9 @@ void __cpuinit generic_processor_info(int apicid, int version)
*/
cpu = 0;
+ if (apicid > max_physical_apicid)
+ max_physical_apicid = apicid;
+
/*
* Would be preferable to switch to bigsmp when CONFIG_HOTPLUG_CPU=y
* but we need to work other dependencies like SMP_SUSPEND etc
@@ -1520,7 +1509,7 @@ void __cpuinit generic_processor_info(int apicid, int version)
* if (CPU_HOTPLUG_ENABLED || num_processors > 8)
* - Ashok Raj <ashok.raj@intel.com>
*/
- if (num_processors > 8) {
+ if (max_physical_apicid >= 8) {
switch (boot_cpu_data.x86_vendor) {
case X86_VENDOR_INTEL:
if (!APIC_XAPIC(version)) {
@@ -1534,9 +1523,9 @@ void __cpuinit generic_processor_info(int apicid, int version)
}
#ifdef CONFIG_SMP
/* are we being called early in kernel startup? */
- if (x86_cpu_to_apicid_early_ptr) {
- u16 *cpu_to_apicid = x86_cpu_to_apicid_early_ptr;
- u16 *bios_cpu_apicid = x86_bios_cpu_apicid_early_ptr;
+ if (early_per_cpu_ptr(x86_cpu_to_apicid)) {
+ u16 *cpu_to_apicid = early_per_cpu_ptr(x86_cpu_to_apicid);
+ u16 *bios_cpu_apicid = early_per_cpu_ptr(x86_bios_cpu_apicid);
cpu_to_apicid[cpu] = apicid;
bios_cpu_apicid[cpu] = apicid;
@@ -1703,14 +1692,14 @@ static void apic_pm_activate(void) { }
*/
static int __init parse_lapic(char *arg)
{
- enable_local_apic = 1;
+ force_enable_local_apic = 1;
return 0;
}
early_param("lapic", parse_lapic);
static int __init parse_nolapic(char *arg)
{
- enable_local_apic = -1;
+ disable_apic = 1;
clear_cpu_cap(&boot_cpu_data, X86_FEATURE_APIC);
return 0;
}
@@ -1740,3 +1729,21 @@ static int __init apic_set_verbosity(char *str)
}
__setup("apic=", apic_set_verbosity);
+static int __init lapic_insert_resource(void)
+{
+ if (!apic_phys)
+ return -1;
+
+ /* Put local APIC into the resource map. */
+ lapic_resource.start = apic_phys;
+ lapic_resource.end = lapic_resource.start + PAGE_SIZE - 1;
+ insert_resource(&iomem_resource, &lapic_resource);
+
+ return 0;
+}
+
+/*
+ * need call insert after e820_reserve_resources()
+ * that is using request_resource
+ */
+late_initcall(lapic_insert_resource);
diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c
index 0633cfd0dc2..1e3d32e27c1 100644
--- a/arch/x86/kernel/apic_64.c
+++ b/arch/x86/kernel/apic_64.c
@@ -43,7 +43,7 @@
#include <mach_ipi.h>
#include <mach_apic.h>
-int disable_apic_timer __cpuinitdata;
+static int disable_apic_timer __cpuinitdata;
static int apic_calibrate_pmtmr __initdata;
int disable_apic;
@@ -56,6 +56,9 @@ EXPORT_SYMBOL_GPL(local_apic_timer_c2_ok);
*/
int apic_verbosity;
+/* Have we found an MP table */
+int smp_found_config;
+
static struct resource lapic_resource = {
.name = "Local APIC",
.flags = IORESOURCE_MEM | IORESOURCE_BUSY,
@@ -87,9 +90,6 @@ static unsigned long apic_phys;
unsigned long mp_lapic_addr;
-DEFINE_PER_CPU(u16, x86_bios_cpu_apicid) = BAD_APICID;
-EXPORT_PER_CPU_SYMBOL(x86_bios_cpu_apicid);
-
unsigned int __cpuinitdata maxcpus = NR_CPUS;
/*
* Get the LAPIC version
@@ -417,37 +417,13 @@ void __init setup_boot_APIC_clock(void)
lapic_clockevent.features &= ~CLOCK_EVT_FEAT_DUMMY;
else
printk(KERN_WARNING "APIC timer registered as dummy,"
- " due to nmi_watchdog=1!\n");
+ " due to nmi_watchdog=%d!\n", nmi_watchdog);
setup_APIC_timer();
}
-/*
- * AMD C1E enabled CPUs have a real nasty problem: Some BIOSes set the
- * C1E flag only in the secondary CPU, so when we detect the wreckage
- * we already have enabled the boot CPU local apic timer. Check, if
- * disable_apic_timer is set and the DUMMY flag is cleared. If yes,
- * set the DUMMY flag again and force the broadcast mode in the
- * clockevents layer.
- */
-static void __cpuinit check_boot_apic_timer_broadcast(void)
-{
- if (!disable_apic_timer ||
- (lapic_clockevent.features & CLOCK_EVT_FEAT_DUMMY))
- return;
-
- printk(KERN_INFO "AMD C1E detected late. Force timer broadcast.\n");
- lapic_clockevent.features |= CLOCK_EVT_FEAT_DUMMY;
-
- local_irq_enable();
- clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_FORCE,
- &boot_cpu_physical_apicid);
- local_irq_disable();
-}
-
void __cpuinit setup_secondary_APIC_clock(void)
{
- check_boot_apic_timer_broadcast();
setup_APIC_timer();
}
@@ -850,7 +826,6 @@ static void __cpuinit lapic_setup_esr(void)
void __cpuinit end_local_APIC_setup(void)
{
lapic_setup_esr();
- nmi_watchdog_default();
setup_apic_nmi_watchdog(NULL);
apic_pm_activate();
}
@@ -875,7 +850,7 @@ static int __init detect_init_APIC(void)
void __init early_init_lapic_mapping(void)
{
- unsigned long apic_phys;
+ unsigned long phys_addr;
/*
* If no local APIC can be found then go out
@@ -884,11 +859,11 @@ void __init early_init_lapic_mapping(void)
if (!smp_found_config)
return;
- apic_phys = mp_lapic_addr;
+ phys_addr = mp_lapic_addr;
- set_fixmap_nocache(FIX_APIC_BASE, apic_phys);
+ set_fixmap_nocache(FIX_APIC_BASE, phys_addr);
apic_printk(APIC_VERBOSE, "mapped APIC to %16lx (%16lx)\n",
- APIC_BASE, apic_phys);
+ APIC_BASE, phys_addr);
/*
* Fetch the APIC ID of the BSP in case we have a
@@ -942,7 +917,9 @@ int __init APIC_init_uniprocessor(void)
verify_local_APIC();
- phys_cpu_present_map = physid_mask_of_physid(boot_cpu_physical_apicid);
+ connect_bsp_APIC();
+
+ physid_set_mask_of_physid(boot_cpu_physical_apicid, &phys_cpu_present_map);
apic_write(APIC_ID, SET_APIC_ID(boot_cpu_physical_apicid));
setup_local_APIC();
@@ -954,6 +931,8 @@ int __init APIC_init_uniprocessor(void)
if (!skip_ioapic_setup && nr_ioapics)
enable_IO_APIC();
+ if (!smp_found_config || skip_ioapic_setup || !nr_ioapics)
+ localise_nmi_watchdog();
end_local_APIC_setup();
if (smp_found_config && !skip_ioapic_setup && nr_ioapics)
@@ -1021,6 +1000,14 @@ asmlinkage void smp_error_interrupt(void)
irq_exit();
}
+/**
+ * * connect_bsp_APIC - attach the APIC to the interrupt system
+ * */
+void __init connect_bsp_APIC(void)
+{
+ enable_apic_mode();
+}
+
void disconnect_bsp_APIC(int virt_wire_setup)
{
/* Go back to Virtual Wire compatibility mode */
@@ -1090,10 +1077,13 @@ void __cpuinit generic_processor_info(int apicid, int version)
*/
cpu = 0;
}
+ if (apicid > max_physical_apicid)
+ max_physical_apicid = apicid;
+
/* are we being called early in kernel startup? */
- if (x86_cpu_to_apicid_early_ptr) {
- u16 *cpu_to_apicid = x86_cpu_to_apicid_early_ptr;
- u16 *bios_cpu_apicid = x86_bios_cpu_apicid_early_ptr;
+ if (early_per_cpu_ptr(x86_cpu_to_apicid)) {
+ u16 *cpu_to_apicid = early_per_cpu_ptr(x86_cpu_to_apicid);
+ u16 *bios_cpu_apicid = early_per_cpu_ptr(x86_bios_cpu_apicid);
cpu_to_apicid[cpu] = apicid;
bios_cpu_apicid[cpu] = apicid;
@@ -1269,7 +1259,7 @@ __cpuinit int apic_is_clustered_box(void)
if ((boot_cpu_data.x86_vendor == X86_VENDOR_AMD) && !is_vsmp_box())
return 0;
- bios_cpu_apicid = x86_bios_cpu_apicid_early_ptr;
+ bios_cpu_apicid = early_per_cpu_ptr(x86_bios_cpu_apicid);
bitmap_zero(clustermap, NUM_APIC_CLUSTERS);
for (i = 0; i < NR_CPUS; i++) {
diff --git a/arch/x86/kernel/apm_32.c b/arch/x86/kernel/apm_32.c
index bf9290e2901..75cb5da4ea0 100644
--- a/arch/x86/kernel/apm_32.c
+++ b/arch/x86/kernel/apm_32.c
@@ -204,6 +204,7 @@
#include <linux/module.h>
#include <linux/poll.h>
+#include <linux/smp_lock.h>
#include <linux/types.h>
#include <linux/stddef.h>
#include <linux/timer.h>
@@ -228,6 +229,7 @@
#include <linux/suspend.h>
#include <linux/kthread.h>
#include <linux/jiffies.h>
+#include <linux/smp_lock.h>
#include <asm/system.h>
#include <asm/uaccess.h>
@@ -1149,7 +1151,7 @@ static void queue_event(apm_event_t event, struct apm_user *sender)
as->event_tail = 0;
}
as->events[as->event_head] = event;
- if ((!as->suser) || (!as->writer))
+ if (!as->suser || !as->writer)
continue;
switch (event) {
case APM_SYS_SUSPEND:
@@ -1396,7 +1398,7 @@ static void apm_mainloop(void)
static int check_apm_user(struct apm_user *as, const char *func)
{
- if ((as == NULL) || (as->magic != APM_BIOS_MAGIC)) {
+ if (as == NULL || as->magic != APM_BIOS_MAGIC) {
printk(KERN_ERR "apm: %s passed bad filp\n", func);
return 1;
}
@@ -1459,18 +1461,19 @@ static unsigned int do_poll(struct file *fp, poll_table *wait)
return 0;
}
-static int do_ioctl(struct inode *inode, struct file *filp,
- u_int cmd, u_long arg)
+static long do_ioctl(struct file *filp, u_int cmd, u_long arg)
{
struct apm_user *as;
+ int ret;
as = filp->private_data;
if (check_apm_user(as, "ioctl"))
return -EIO;
- if ((!as->suser) || (!as->writer))
+ if (!as->suser || !as->writer)
return -EPERM;
switch (cmd) {
case APM_IOC_STANDBY:
+ lock_kernel();
if (as->standbys_read > 0) {
as->standbys_read--;
as->standbys_pending--;
@@ -1479,8 +1482,10 @@ static int do_ioctl(struct inode *inode, struct file *filp,
queue_event(APM_USER_STANDBY, as);
if (standbys_pending <= 0)
standby();
+ unlock_kernel();
break;
case APM_IOC_SUSPEND:
+ lock_kernel();
if (as->suspends_read > 0) {
as->suspends_read--;
as->suspends_pending--;
@@ -1488,16 +1493,17 @@ static int do_ioctl(struct inode *inode, struct file *filp,
} else
queue_event(APM_USER_SUSPEND, as);
if (suspends_pending <= 0) {
- return suspend(1);
+ ret = suspend(1);
} else {
as->suspend_wait = 1;
wait_event_interruptible(apm_suspend_waitqueue,
as->suspend_wait == 0);
- return as->suspend_result;
+ ret = as->suspend_result;
}
- break;
+ unlock_kernel();
+ return ret;
default:
- return -EINVAL;
+ return -ENOTTY;
}
return 0;
}
@@ -1544,10 +1550,12 @@ static int do_open(struct inode *inode, struct file *filp)
{
struct apm_user *as;
+ lock_kernel();
as = kmalloc(sizeof(*as), GFP_KERNEL);
if (as == NULL) {
printk(KERN_ERR "apm: cannot allocate struct of size %d bytes\n",
sizeof(*as));
+ unlock_kernel();
return -ENOMEM;
}
as->magic = APM_BIOS_MAGIC;
@@ -1569,6 +1577,7 @@ static int do_open(struct inode *inode, struct file *filp)
user_list = as;
spin_unlock(&user_list_lock);
filp->private_data = as;
+ unlock_kernel();
return 0;
}
@@ -1860,7 +1869,7 @@ static const struct file_operations apm_bios_fops = {
.owner = THIS_MODULE,
.read = do_read,
.poll = do_poll,
- .ioctl = do_ioctl,
+ .unlocked_ioctl = do_ioctl,
.open = do_open,
.release = do_release,
};
diff --git a/arch/x86/kernel/asm-offsets_32.c b/arch/x86/kernel/asm-offsets_32.c
index 92588083950..6649d09ad88 100644
--- a/arch/x86/kernel/asm-offsets_32.c
+++ b/arch/x86/kernel/asm-offsets_32.c
@@ -111,7 +111,7 @@ void foo(void)
OFFSET(PV_IRQ_irq_disable, pv_irq_ops, irq_disable);
OFFSET(PV_IRQ_irq_enable, pv_irq_ops, irq_enable);
OFFSET(PV_CPU_iret, pv_cpu_ops, iret);
- OFFSET(PV_CPU_irq_enable_syscall_ret, pv_cpu_ops, irq_enable_syscall_ret);
+ OFFSET(PV_CPU_irq_enable_sysexit, pv_cpu_ops, irq_enable_sysexit);
OFFSET(PV_CPU_read_cr0, pv_cpu_ops, read_cr0);
#endif
diff --git a/arch/x86/kernel/asm-offsets_64.c b/arch/x86/kernel/asm-offsets_64.c
index f126c05d617..bacf5deeec2 100644
--- a/arch/x86/kernel/asm-offsets_64.c
+++ b/arch/x86/kernel/asm-offsets_64.c
@@ -34,7 +34,7 @@ int main(void)
ENTRY(pid);
BLANK();
#undef ENTRY
-#define ENTRY(entry) DEFINE(threadinfo_ ## entry, offsetof(struct thread_info, entry))
+#define ENTRY(entry) DEFINE(TI_ ## entry, offsetof(struct thread_info, entry))
ENTRY(flags);
ENTRY(addr_limit);
ENTRY(preempt_count);
@@ -61,8 +61,11 @@ int main(void)
OFFSET(PARAVIRT_PATCH_pv_irq_ops, paravirt_patch_template, pv_irq_ops);
OFFSET(PV_IRQ_irq_disable, pv_irq_ops, irq_disable);
OFFSET(PV_IRQ_irq_enable, pv_irq_ops, irq_enable);
+ OFFSET(PV_IRQ_adjust_exception_frame, pv_irq_ops, adjust_exception_frame);
OFFSET(PV_CPU_iret, pv_cpu_ops, iret);
- OFFSET(PV_CPU_irq_enable_syscall_ret, pv_cpu_ops, irq_enable_syscall_ret);
+ OFFSET(PV_CPU_usergs_sysret32, pv_cpu_ops, usergs_sysret32);
+ OFFSET(PV_CPU_usergs_sysret64, pv_cpu_ops, usergs_sysret64);
+ OFFSET(PV_CPU_irq_enable_sysexit, pv_cpu_ops, irq_enable_sysexit);
OFFSET(PV_CPU_swapgs, pv_cpu_ops, swapgs);
OFFSET(PV_MMU_read_cr2, pv_mmu_ops, read_cr2);
#endif
diff --git a/arch/x86/kernel/cpu/Makefile b/arch/x86/kernel/cpu/Makefile
index a0c6f819088..ee76eaad300 100644
--- a/arch/x86/kernel/cpu/Makefile
+++ b/arch/x86/kernel/cpu/Makefile
@@ -6,11 +6,15 @@ obj-y := intel_cacheinfo.o addon_cpuid_features.o
obj-y += proc.o feature_names.o
obj-$(CONFIG_X86_32) += common.o bugs.o
+obj-$(CONFIG_X86_64) += common_64.o bugs_64.o
obj-$(CONFIG_X86_32) += amd.o
+obj-$(CONFIG_X86_64) += amd_64.o
obj-$(CONFIG_X86_32) += cyrix.o
obj-$(CONFIG_X86_32) += centaur.o
+obj-$(CONFIG_X86_64) += centaur_64.o
obj-$(CONFIG_X86_32) += transmeta.o
obj-$(CONFIG_X86_32) += intel.o
+obj-$(CONFIG_X86_64) += intel_64.o
obj-$(CONFIG_X86_32) += umc.o
obj-$(CONFIG_X86_MCE) += mcheck/
diff --git a/arch/x86/kernel/cpu/addon_cpuid_features.c b/arch/x86/kernel/cpu/addon_cpuid_features.c
index c2e1ce33c7c..84a8220a607 100644
--- a/arch/x86/kernel/cpu/addon_cpuid_features.c
+++ b/arch/x86/kernel/cpu/addon_cpuid_features.c
@@ -1,9 +1,7 @@
-
/*
* Routines to indentify additional cpu features that are scattered in
* cpuid space.
*/
-
#include <linux/cpu.h>
#include <asm/pat.h>
@@ -53,19 +51,20 @@ void __cpuinit init_scattered_cpuid_features(struct cpuinfo_x86 *c)
#ifdef CONFIG_X86_PAT
void __cpuinit validate_pat_support(struct cpuinfo_x86 *c)
{
+ if (!cpu_has_pat)
+ pat_disable("PAT not supported by CPU.");
+
switch (c->x86_vendor) {
- case X86_VENDOR_AMD:
- if (c->x86 >= 0xf && c->x86 <= 0x11)
- return;
- break;
case X86_VENDOR_INTEL:
if (c->x86 == 0xF || (c->x86 == 6 && c->x86_model >= 15))
return;
break;
+ case X86_VENDOR_AMD:
+ case X86_VENDOR_CENTAUR:
+ case X86_VENDOR_TRANSMETA:
+ return;
}
- pat_disable(cpu_has_pat ?
- "PAT disabled. Not yet verified on this CPU type." :
- "PAT not supported by CPU.");
+ pat_disable("PAT disabled. Not yet verified on this CPU type.");
}
#endif
diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index 24586682829..81a07ca65d4 100644
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -24,43 +24,6 @@
extern void vide(void);
__asm__(".align 4\nvide: ret");
-#ifdef CONFIG_X86_LOCAL_APIC
-#define ENABLE_C1E_MASK 0x18000000
-#define CPUID_PROCESSOR_SIGNATURE 1
-#define CPUID_XFAM 0x0ff00000
-#define CPUID_XFAM_K8 0x00000000
-#define CPUID_XFAM_10H 0x00100000
-#define CPUID_XFAM_11H 0x00200000
-#define CPUID_XMOD 0x000f0000
-#define CPUID_XMOD_REV_F 0x00040000
-
-/* AMD systems with C1E don't have a working lAPIC timer. Check for that. */
-static __cpuinit int amd_apic_timer_broken(void)
-{
- u32 lo, hi;
- u32 eax = cpuid_eax(CPUID_PROCESSOR_SIGNATURE);
- switch (eax & CPUID_XFAM) {
- case CPUID_XFAM_K8:
- if ((eax & CPUID_XMOD) < CPUID_XMOD_REV_F)
- break;
- case CPUID_XFAM_10H:
- case CPUID_XFAM_11H:
- rdmsr(MSR_K8_ENABLE_C1E, lo, hi);
- if (lo & ENABLE_C1E_MASK) {
- if (smp_processor_id() != boot_cpu_physical_apicid)
- printk(KERN_INFO "AMD C1E detected late. "
- " Force timer broadcast.\n");
- return 1;
- }
- break;
- default:
- /* err on the side of caution */
- return 1;
- }
- return 0;
-}
-#endif
-
int force_mwait __cpuinitdata;
static void __cpuinit early_init_amd(struct cpuinfo_x86 *c)
@@ -297,11 +260,6 @@ static void __cpuinit init_amd(struct cpuinfo_x86 *c)
num_cache_leaves = 3;
}
-#ifdef CONFIG_X86_LOCAL_APIC
- if (amd_apic_timer_broken())
- local_apic_timer_disabled = 1;
-#endif
-
/* K6s reports MCEs but don't actually have all the MSRs */
if (c->x86 < 6)
clear_cpu_cap(c, X86_FEATURE_MCE);
diff --git a/arch/x86/kernel/cpu/amd_64.c b/arch/x86/kernel/cpu/amd_64.c
new file mode 100644
index 00000000000..7c36fb8a28d
--- /dev/null
+++ b/arch/x86/kernel/cpu/amd_64.c
@@ -0,0 +1,222 @@
+#include <linux/init.h>
+#include <linux/mm.h>
+
+#include <asm/numa_64.h>
+#include <asm/mmconfig.h>
+#include <asm/cacheflush.h>
+
+#include <mach_apic.h>
+
+#include "cpu.h"
+
+int force_mwait __cpuinitdata;
+
+#ifdef CONFIG_NUMA
+static int __cpuinit nearby_node(int apicid)
+{
+ int i, node;
+
+ for (i = apicid - 1; i >= 0; i--) {
+ node = apicid_to_node[i];
+ if (node != NUMA_NO_NODE && node_online(node))
+ return node;
+ }
+ for (i = apicid + 1; i < MAX_LOCAL_APIC; i++) {
+ node = apicid_to_node[i];
+ if (node != NUMA_NO_NODE && node_online(node))
+ return node;
+ }
+ return first_node(node_online_map); /* Shouldn't happen */
+}
+#endif
+
+/*
+ * On a AMD dual core setup the lower bits of the APIC id distingush the cores.
+ * Assumes number of cores is a power of two.
+ */
+static void __cpuinit amd_detect_cmp(struct cpuinfo_x86 *c)
+{
+#ifdef CONFIG_SMP
+ unsigned bits;
+#ifdef CONFIG_NUMA
+ int cpu = smp_processor_id();
+ int node = 0;
+ unsigned apicid = hard_smp_processor_id();
+#endif
+ bits = c->x86_coreid_bits;
+
+ /* Low order bits define the core id (index of core in socket) */
+ c->cpu_core_id = c->initial_apicid & ((1 << bits)-1);
+ /* Convert the initial APIC ID into the socket ID */
+ c->phys_proc_id = c->initial_apicid >> bits;
+
+#ifdef CONFIG_NUMA
+ node = c->phys_proc_id;
+ if (apicid_to_node[apicid] != NUMA_NO_NODE)
+ node = apicid_to_node[apicid];
+ if (!node_online(node)) {
+ /* Two possibilities here:
+ - The CPU is missing memory and no node was created.
+ In that case try picking one from a nearby CPU
+ - The APIC IDs differ from the HyperTransport node IDs
+ which the K8 northbridge parsing fills in.
+ Assume they are all increased by a constant offset,
+ but in the same order as the HT nodeids.
+ If that doesn't result in a usable node fall back to the
+ path for the previous case. */
+
+ int ht_nodeid = c->initial_apicid;
+
+ if (ht_nodeid >= 0 &&
+ apicid_to_node[ht_nodeid] != NUMA_NO_NODE)
+ node = apicid_to_node[ht_nodeid];
+ /* Pick a nearby node */
+ if (!node_online(node))
+ node = nearby_node(apicid);
+ }
+ numa_set_node(cpu, node);
+
+ printk(KERN_INFO "CPU %d/%x -> Node %d\n", cpu, apicid, node);
+#endif
+#endif
+}
+
+static void __cpuinit early_init_amd_mc(struct cpuinfo_x86 *c)
+{
+#ifdef CONFIG_SMP
+ unsigned bits, ecx;
+
+ /* Multi core CPU? */
+ if (c->extended_cpuid_level < 0x80000008)
+ return;
+
+ ecx = cpuid_ecx(0x80000008);
+
+ c->x86_max_cores = (ecx & 0xff) + 1;
+
+ /* CPU telling us the core id bits shift? */
+ bits = (ecx >> 12) & 0xF;
+
+ /* Otherwise recompute */
+ if (bits == 0) {
+ while ((1 << bits) < c->x86_max_cores)
+ bits++;
+ }
+
+ c->x86_coreid_bits = bits;
+
+#endif
+}
+
+static void __cpuinit early_init_amd(struct cpuinfo_x86 *c)
+{
+ early_init_amd_mc(c);
+
+ /* c->x86_power is 8000_0007 edx. Bit 8 is constant TSC */
+ if (c->x86_power & (1<<8))
+ set_cpu_cap(c, X86_FEATURE_CONSTANT_TSC);
+}
+
+static void __cpuinit init_amd(struct cpuinfo_x86 *c)
+{
+ unsigned level;
+
+#ifdef CONFIG_SMP
+ unsigned long value;
+
+ /*
+ * Disable TLB flush filter by setting HWCR.FFDIS on K8
+ * bit 6 of msr C001_0015
+ *
+ * Errata 63 for SH-B3 steppings
+ * Errata 122 for all steppings (F+ have it disabled by default)
+ */
+ if (c->x86 == 0xf) {
+ rdmsrl(MSR_K8_HWCR, value);
+ value |= 1 << 6;
+ wrmsrl(MSR_K8_HWCR, value);
+ }
+#endif
+
+ /* Bit 31 in normal CPUID used for nonstandard 3DNow ID;
+ 3DNow is IDd by bit 31 in extended CPUID (1*32+31) anyway */
+ clear_cpu_cap(c, 0*32+31);
+
+ /* On C+ stepping K8 rep microcode works well for copy/memset */
+ if (c->x86 == 0xf) {
+ level = cpuid_eax(1);
+ if((level >= 0x0f48 && level < 0x0f50) || level >= 0x0f58)
+ set_cpu_cap(c, X86_FEATURE_REP_GOOD);
+ }
+ if (c->x86 == 0x10 || c->x86 == 0x11)
+ set_cpu_cap(c, X86_FEATURE_REP_GOOD);
+
+ /* Enable workaround for FXSAVE leak */
+ if (c->x86 >= 6)
+ set_cpu_cap(c, X86_FEATURE_FXSAVE_LEAK);
+
+ level = get_model_name(c);
+ if (!level) {
+ switch (c->x86) {
+ case 0xf:
+ /* Should distinguish Models here, but this is only
+ a fallback anyways. */
+ strcpy(c->x86_model_id, "Hammer");
+ break;
+ }
+ }
+ display_cacheinfo(c);
+
+ /* Multi core CPU? */
+ if (c->extended_cpuid_level >= 0x80000008)
+ amd_detect_cmp(c);
+
+ if (c->extended_cpuid_level >= 0x80000006 &&
+ (cpuid_edx(0x80000006) & 0xf000))
+ num_cache_leaves = 4;
+ else
+ num_cache_leaves = 3;
+
+ if (c->x86 >= 0xf && c->x86 <= 0x11)
+ set_cpu_cap(c, X86_FEATURE_K8);
+
+ /* MFENCE stops RDTSC speculation */
+ set_cpu_cap(c, X86_FEATURE_MFENCE_RDTSC);
+
+ if (c->x86 == 0x10) {
+ /* do this for boot cpu */
+ if (c == &boot_cpu_data)
+ check_enable_amd_mmconf_dmi();
+
+ fam10h_check_enable_mmcfg();
+ }
+
+ if (c == &boot_cpu_data && c->x86 >= 0xf && c->x86 <= 0x11) {
+ unsigned long long tseg;
+
+ /*
+ * Split up direct mapping around the TSEG SMM area.
+ * Don't do it for gbpages because there seems very little
+ * benefit in doing so.
+ */
+ if (!rdmsrl_safe(MSR_K8_TSEG_ADDR, &tseg)) {
+ printk(KERN_DEBUG "tseg: %010llx\n", tseg);
+ if ((tseg>>PMD_SHIFT) <
+ (max_low_pfn_mapped>>(PMD_SHIFT-PAGE_SHIFT)) ||
+ ((tseg>>PMD_SHIFT) <
+ (max_pfn_mapped>>(PMD_SHIFT-PAGE_SHIFT)) &&
+ (tseg>>PMD_SHIFT) >= (1ULL<<(32 - PMD_SHIFT))))
+ set_memory_4k((unsigned long)__va(tseg), 1);
+ }
+ }
+}
+
+static struct cpu_dev amd_cpu_dev __cpuinitdata = {
+ .c_vendor = "AMD",
+ .c_ident = { "AuthenticAMD" },
+ .c_early_init = early_init_amd,
+ .c_init = init_amd,
+};
+
+cpu_vendor_dev_register(X86_VENDOR_AMD, &amd_cpu_dev);
+
diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c
index 170d2f5523b..1b1c56bb338 100644
--- a/arch/x86/kernel/cpu/bugs.c
+++ b/arch/x86/kernel/cpu/bugs.c
@@ -59,8 +59,12 @@ static void __init check_fpu(void)
return;
}
-/* trap_init() enabled FXSR and company _before_ testing for FP problems here. */
- /* Test for the divl bug.. */
+ /*
+ * trap_init() enabled FXSR and company _before_ testing for FP
+ * problems here.
+ *
+ * Test for the divl bug..
+ */
__asm__("fninit\n\t"
"fldl %1\n\t"
"fdivl %2\n\t"
@@ -108,10 +112,15 @@ static void __init check_popad(void)
"movl $12345678,%%eax; movl $0,%%edi; pusha; popa; movl (%%edx,%%edi),%%ecx "
: "=&a" (res)
: "d" (inp)
- : "ecx", "edi" );
- /* If this fails, it means that any user program may lock the CPU hard. Too bad. */
- if (res != 12345678) printk( "Buggy.\n" );
- else printk( "OK.\n" );
+ : "ecx", "edi");
+ /*
+ * If this fails, it means that any user program may lock the
+ * CPU hard. Too bad.
+ */
+ if (res != 12345678)
+ printk("Buggy.\n");
+ else
+ printk("OK.\n");
#endif
}
@@ -137,7 +146,8 @@ static void __init check_config(void)
* i486+ only features! (WP works in supervisor mode and the
* new "invlpg" and "bswap" instructions)
*/
-#if defined(CONFIG_X86_WP_WORKS_OK) || defined(CONFIG_X86_INVLPG) || defined(CONFIG_X86_BSWAP)
+#if defined(CONFIG_X86_WP_WORKS_OK) || defined(CONFIG_X86_INVLPG) || \
+ defined(CONFIG_X86_BSWAP)
if (boot_cpu_data.x86 == 3)
panic("Kernel requires i486+ for 'invlpg' and other features");
#endif
@@ -170,6 +180,7 @@ void __init check_bugs(void)
check_fpu();
check_hlt();
check_popad();
- init_utsname()->machine[1] = '0' + (boot_cpu_data.x86 > 6 ? 6 : boot_cpu_data.x86);
+ init_utsname()->machine[1] =
+ '0' + (boot_cpu_data.x86 > 6 ? 6 : boot_cpu_data.x86);
alternative_instructions();
}
diff --git a/arch/x86/kernel/bugs_64.c b/arch/x86/kernel/cpu/bugs_64.c
index 9a3ed0649d4..9a3ed0649d4 100644
--- a/arch/x86/kernel/bugs_64.c
+++ b/arch/x86/kernel/cpu/bugs_64.c
diff --git a/arch/x86/kernel/cpu/centaur_64.c b/arch/x86/kernel/cpu/centaur_64.c
new file mode 100644
index 00000000000..1d181c40e2e
--- /dev/null
+++ b/arch/x86/kernel/cpu/centaur_64.c
@@ -0,0 +1,35 @@
+#include <linux/init.h>
+#include <linux/smp.h>
+
+#include <asm/cpufeature.h>
+#include <asm/processor.h>
+
+#include "cpu.h"
+
+static void __cpuinit early_init_centaur(struct cpuinfo_x86 *c)
+{
+ if (c->x86 == 0x6 && c->x86_model >= 0xf)
+ set_cpu_cap(c, X86_FEATURE_CONSTANT_TSC);
+
+ set_cpu_cap(c, X86_FEATURE_SYSENTER32);
+}
+
+static void __cpuinit init_centaur(struct cpuinfo_x86 *c)
+{
+ if (c->x86 == 0x6 && c->x86_model >= 0xf) {
+ c->x86_cache_alignment = c->x86_clflush_size * 2;
+ set_cpu_cap(c, X86_FEATURE_CONSTANT_TSC);
+ set_cpu_cap(c, X86_FEATURE_REP_GOOD);
+ }
+ set_cpu_cap(c, X86_FEATURE_LFENCE_RDTSC);
+}
+
+static struct cpu_dev centaur_cpu_dev __cpuinitdata = {
+ .c_vendor = "Centaur",
+ .c_ident = { "CentaurHauls" },
+ .c_early_init = early_init_centaur,
+ .c_init = init_centaur,
+};
+
+cpu_vendor_dev_register(X86_VENDOR_CENTAUR, &centaur_cpu_dev);
+
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index d0463a94624..80ab20d4fa3 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -427,7 +427,7 @@ __setup("serialnumber", x86_serial_nr_setup);
/*
* This does the hard work of actually picking apart the CPU stuff...
*/
-void __cpuinit identify_cpu(struct cpuinfo_x86 *c)
+static void __cpuinit identify_cpu(struct cpuinfo_x86 *c)
{
int i;
diff --git a/arch/x86/kernel/cpu/common_64.c b/arch/x86/kernel/cpu/common_64.c
new file mode 100644
index 00000000000..7b8cc72feb4
--- /dev/null
+++ b/arch/x86/kernel/cpu/common_64.c
@@ -0,0 +1,681 @@
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/string.h>
+#include <linux/bootmem.h>
+#include <linux/bitops.h>
+#include <linux/module.h>
+#include <linux/kgdb.h>
+#include <linux/topology.h>
+#include <linux/string.h>
+#include <linux/delay.h>
+#include <linux/smp.h>
+#include <linux/module.h>
+#include <linux/percpu.h>
+#include <asm/processor.h>
+#include <asm/i387.h>
+#include <asm/msr.h>
+#include <asm/io.h>
+#include <asm/mmu_context.h>
+#include <asm/mtrr.h>
+#include <asm/mce.h>
+#include <asm/pat.h>
+#include <asm/numa.h>
+#ifdef CONFIG_X86_LOCAL_APIC
+#include <asm/mpspec.h>
+#include <asm/apic.h>
+#include <mach_apic.h>
+#endif
+#include <asm/pda.h>
+#include <asm/pgtable.h>
+#include <asm/processor.h>
+#include <asm/desc.h>
+#include <asm/atomic.h>
+#include <asm/proto.h>
+#include <asm/sections.h>
+#include <asm/setup.h>
+#include <asm/genapic.h>
+
+#include "cpu.h"
+
+/* We need valid kernel segments for data and code in long mode too
+ * IRET will check the segment types kkeil 2000/10/28
+ * Also sysret mandates a special GDT layout
+ */
+/* The TLS descriptors are currently at a different place compared to i386.
+ Hopefully nobody expects them at a fixed place (Wine?) */
+DEFINE_PER_CPU(struct gdt_page, gdt_page) = { .gdt = {
+ [GDT_ENTRY_KERNEL32_CS] = { { { 0x0000ffff, 0x00cf9b00 } } },
+ [GDT_ENTRY_KERNEL_CS] = { { { 0x0000ffff, 0x00af9b00 } } },
+ [GDT_ENTRY_KERNEL_DS] = { { { 0x0000ffff, 0x00cf9300 } } },
+ [GDT_ENTRY_DEFAULT_USER32_CS] = { { { 0x0000ffff, 0x00cffb00 } } },
+ [GDT_ENTRY_DEFAULT_USER_DS] = { { { 0x0000ffff, 0x00cff300 } } },
+ [GDT_ENTRY_DEFAULT_USER_CS] = { { { 0x0000ffff, 0x00affb00 } } },
+} };
+EXPORT_PER_CPU_SYMBOL_GPL(gdt_page);
+
+__u32 cleared_cpu_caps[NCAPINTS] __cpuinitdata;
+
+/* Current gdt points %fs at the "master" per-cpu area: after this,
+ * it's on the real one. */
+void switch_to_new_gdt(void)
+{
+ struct desc_ptr gdt_descr;
+
+ gdt_descr.address = (long)get_cpu_gdt_table(smp_processor_id());
+ gdt_descr.size = GDT_SIZE - 1;
+ load_gdt(&gdt_descr);
+}
+
+struct cpu_dev *cpu_devs[X86_VENDOR_NUM] = {};
+
+static void __cpuinit default_init(struct cpuinfo_x86 *c)
+{
+ display_cacheinfo(c);
+}
+
+static struct cpu_dev __cpuinitdata default_cpu = {
+ .c_init = default_init,
+ .c_vendor = "Unknown",
+};
+static struct cpu_dev *this_cpu __cpuinitdata = &default_cpu;
+
+int __cpuinit get_model_name(struct cpuinfo_x86 *c)
+{
+ unsigned int *v;
+
+ if (c->extended_cpuid_level < 0x80000004)
+ return 0;
+
+ v = (unsigned int *) c->x86_model_id;
+ cpuid(0x80000002, &v[0], &v[1], &v[2], &v[3]);
+ cpuid(0x80000003, &v[4], &v[5], &v[6], &v[7]);
+ cpuid(0x80000004, &v[8], &v[9], &v[10], &v[11]);
+ c->x86_model_id[48] = 0;
+ return 1;
+}
+
+
+void __cpuinit display_cacheinfo(struct cpuinfo_x86 *c)
+{
+ unsigned int n, dummy, ebx, ecx, edx;
+
+ n = c->extended_cpuid_level;
+
+ if (n >= 0x80000005) {
+ cpuid(0x80000005, &dummy, &ebx, &ecx, &edx);
+ printk(KERN_INFO "CPU: L1 I Cache: %dK (%d bytes/line), "
+ "D cache %dK (%d bytes/line)\n",
+ edx>>24, edx&0xFF, ecx>>24, ecx&0xFF);
+ c->x86_cache_size = (ecx>>24) + (edx>>24);
+ /* On K8 L1 TLB is inclusive, so don't count it */
+ c->x86_tlbsize = 0;
+ }
+
+ if (n >= 0x80000006) {
+ cpuid(0x80000006, &dummy, &ebx, &ecx, &edx);
+ ecx = cpuid_ecx(0x80000006);
+ c->x86_cache_size = ecx >> 16;
+ c->x86_tlbsize += ((ebx >> 16) & 0xfff) + (ebx & 0xfff);
+
+ printk(KERN_INFO "CPU: L2 Cache: %dK (%d bytes/line)\n",
+ c->x86_cache_size, ecx & 0xFF);
+ }
+}
+
+void __cpuinit detect_ht(struct cpuinfo_x86 *c)
+{
+#ifdef CONFIG_SMP
+ u32 eax, ebx, ecx, edx;
+ int index_msb, core_bits;
+
+ cpuid(1, &eax, &ebx, &ecx, &edx);
+
+
+ if (!cpu_has(c, X86_FEATURE_HT))
+ return;
+ if (cpu_has(c, X86_FEATURE_CMP_LEGACY))
+ goto out;
+
+ smp_num_siblings = (ebx & 0xff0000) >> 16;
+
+ if (smp_num_siblings == 1) {
+ printk(KERN_INFO "CPU: Hyper-Threading is disabled\n");
+ } else if (smp_num_siblings > 1) {
+
+ if (smp_num_siblings > NR_CPUS) {
+ printk(KERN_WARNING "CPU: Unsupported number of "
+ "siblings %d", smp_num_siblings);
+ smp_num_siblings = 1;
+ return;
+ }
+
+ index_msb = get_count_order(smp_num_siblings);
+ c->phys_proc_id = phys_pkg_id(index_msb);
+
+ smp_num_siblings = smp_num_siblings / c->x86_max_cores;
+
+ index_msb = get_count_order(smp_num_siblings);
+
+ core_bits = get_count_order(c->x86_max_cores);
+
+ c->cpu_core_id = phys_pkg_id(index_msb) &
+ ((1 << core_bits) - 1);
+ }
+out:
+ if ((c->x86_max_cores * smp_num_siblings) > 1) {
+ printk(KERN_INFO "CPU: Physical Processor ID: %d\n",
+ c->phys_proc_id);
+ printk(KERN_INFO "CPU: Processor Core ID: %d\n",
+ c->cpu_core_id);
+ }
+
+#endif
+}
+
+static void __cpuinit get_cpu_vendor(struct cpuinfo_x86 *c)
+{
+ char *v = c->x86_vendor_id;
+ int i;
+ static int printed;
+
+ for (i = 0; i < X86_VENDOR_NUM; i++) {
+ if (cpu_devs[i]) {
+ if (!strcmp(v, cpu_devs[i]->c_ident[0]) ||
+ (cpu_devs[i]->c_ident[1] &&
+ !strcmp(v, cpu_devs[i]->c_ident[1]))) {
+ c->x86_vendor = i;
+ this_cpu = cpu_devs[i];
+ return;
+ }
+ }
+ }
+ if (!printed) {
+ printed++;
+ printk(KERN_ERR "CPU: Vendor unknown, using generic init.\n");
+ printk(KERN_ERR "CPU: Your system may be unstable.\n");
+ }
+ c->x86_vendor = X86_VENDOR_UNKNOWN;
+}
+
+static void __init early_cpu_support_print(void)
+{
+ int i,j;
+ struct cpu_dev *cpu_devx;
+
+ printk("KERNEL supported cpus:\n");
+ for (i = 0; i < X86_VENDOR_NUM; i++) {
+ cpu_devx = cpu_devs[i];
+ if (!cpu_devx)
+ continue;
+ for (j = 0; j < 2; j++) {
+ if (!cpu_devx->c_ident[j])
+ continue;
+ printk(" %s %s\n", cpu_devx->c_vendor,
+ cpu_devx->c_ident[j]);
+ }
+ }
+}
+
+static void __cpuinit early_identify_cpu(struct cpuinfo_x86 *c);
+
+void __init early_cpu_init(void)
+{
+ struct cpu_vendor_dev *cvdev;
+
+ for (cvdev = __x86cpuvendor_start ;
+ cvdev < __x86cpuvendor_end ;
+ cvdev++)
+ cpu_devs[cvdev->vendor] = cvdev->cpu_dev;
+ early_cpu_support_print();
+ early_identify_cpu(&boot_cpu_data);
+}
+
+/* Do some early cpuid on the boot CPU to get some parameter that are
+ needed before check_bugs. Everything advanced is in identify_cpu
+ below. */
+static void __cpuinit early_identify_cpu(struct cpuinfo_x86 *c)
+{
+ u32 tfms, xlvl;
+
+ c->loops_per_jiffy = loops_per_jiffy;
+ c->x86_cache_size = -1;
+ c->x86_vendor = X86_VENDOR_UNKNOWN;
+ c->x86_model = c->x86_mask = 0; /* So far unknown... */
+ c->x86_vendor_id[0] = '\0'; /* Unset */
+ c->x86_model_id[0] = '\0'; /* Unset */
+ c->x86_clflush_size = 64;
+ c->x86_cache_alignment = c->x86_clflush_size;
+ c->x86_max_cores = 1;
+ c->x86_coreid_bits = 0;
+ c->extended_cpuid_level = 0;
+ memset(&c->x86_capability, 0, sizeof c->x86_capability);
+
+ /* Get vendor name */
+ cpuid(0x00000000, (unsigned int *)&c->cpuid_level,
+ (unsigned int *)&c->x86_vendor_id[0],
+ (unsigned int *)&c->x86_vendor_id[8],
+ (unsigned int *)&c->x86_vendor_id[4]);
+
+ get_cpu_vendor(c);
+
+ /* Initialize the standard set of capabilities */
+ /* Note that the vendor-specific code below might override */
+
+ /* Intel-defined flags: level 0x00000001 */
+ if (c->cpuid_level >= 0x00000001) {
+ __u32 misc;
+ cpuid(0x00000001, &tfms, &misc, &c->x86_capability[4],
+ &c->x86_capability[0]);
+ c->x86 = (tfms >> 8) & 0xf;
+ c->x86_model = (tfms >> 4) & 0xf;
+ c->x86_mask = tfms & 0xf;
+ if (c->x86 == 0xf)
+ c->x86 += (tfms >> 20) & 0xff;
+ if (c->x86 >= 0x6)
+ c->x86_model += ((tfms >> 16) & 0xF) << 4;
+ if (test_cpu_cap(c, X86_FEATURE_CLFLSH))
+ c->x86_clflush_size = ((misc >> 8) & 0xff) * 8;
+ } else {
+ /* Have CPUID level 0 only - unheard of */
+ c->x86 = 4;
+ }
+
+ c->initial_apicid = (cpuid_ebx(1) >> 24) & 0xff;
+#ifdef CONFIG_SMP
+ c->phys_proc_id = c->initial_apicid;
+#endif
+ /* AMD-defined flags: level 0x80000001 */
+ xlvl = cpuid_eax(0x80000000);
+ c->extended_cpuid_level = xlvl;
+ if ((xlvl & 0xffff0000) == 0x80000000) {
+ if (xlvl >= 0x80000001) {
+ c->x86_capability[1] = cpuid_edx(0x80000001);
+ c->x86_capability[6] = cpuid_ecx(0x80000001);
+ }
+ if (xlvl >= 0x80000004)
+ get_model_name(c); /* Default name */
+ }
+
+ /* Transmeta-defined flags: level 0x80860001 */
+ xlvl = cpuid_eax(0x80860000);
+ if ((xlvl & 0xffff0000) == 0x80860000) {
+ /* Don't set x86_cpuid_level here for now to not confuse. */
+ if (xlvl >= 0x80860001)
+ c->x86_capability[2] = cpuid_edx(0x80860001);
+ }
+
+ c->extended_cpuid_level = cpuid_eax(0x80000000);
+ if (c->extended_cpuid_level >= 0x80000007)
+ c->x86_power = cpuid_edx(0x80000007);
+
+ if (c->extended_cpuid_level >= 0x80000008) {
+ u32 eax = cpuid_eax(0x80000008);
+
+ c->x86_virt_bits = (eax >> 8) & 0xff;
+ c->x86_phys_bits = eax & 0xff;
+ }
+
+ /* Assume all 64-bit CPUs support 32-bit syscall */
+ set_cpu_cap(c, X86_FEATURE_SYSCALL32);
+
+ if (c->x86_vendor != X86_VENDOR_UNKNOWN &&
+ cpu_devs[c->x86_vendor]->c_early_init)
+ cpu_devs[c->x86_vendor]->c_early_init(c);
+
+ validate_pat_support(c);
+
+ /* early_param could clear that, but recall get it set again */
+ if (disable_apic)
+ clear_cpu_cap(c, X86_FEATURE_APIC);
+}
+
+/*
+ * This does the hard work of actually picking apart the CPU stuff...
+ */
+static void __cpuinit identify_cpu(struct cpuinfo_x86 *c)
+{
+ int i;
+
+ early_identify_cpu(c);
+
+ init_scattered_cpuid_features(c);
+
+ c->apicid = phys_pkg_id(0);
+
+ /*
+ * Vendor-specific initialization. In this section we
+ * canonicalize the feature flags, meaning if there are
+ * features a certain CPU supports which CPUID doesn't
+ * tell us, CPUID claiming incorrect flags, or other bugs,
+ * we handle them here.
+ *
+ * At the end of this section, c->x86_capability better
+ * indicate the features this CPU genuinely supports!
+ */
+ if (this_cpu->c_init)
+ this_cpu->c_init(c);
+
+ detect_ht(c);
+
+ /*
+ * On SMP, boot_cpu_data holds the common feature set between
+ * all CPUs; so make sure that we indicate which features are
+ * common between the CPUs. The first time this routine gets
+ * executed, c == &boot_cpu_data.
+ */
+ if (c != &boot_cpu_data) {
+ /* AND the already accumulated flags with these */
+ for (i = 0; i < NCAPINTS; i++)
+ boot_cpu_data.x86_capability[i] &= c->x86_capability[i];
+ }
+
+ /* Clear all flags overriden by options */
+ for (i = 0; i < NCAPINTS; i++)
+ c->x86_capability[i] &= ~cleared_cpu_caps[i];
+
+#ifdef CONFIG_X86_MCE
+ mcheck_init(c);
+#endif
+ select_idle_routine(c);
+
+#ifdef CONFIG_NUMA
+ numa_add_cpu(smp_processor_id());
+#endif
+
+}
+
+void __cpuinit identify_boot_cpu(void)
+{
+ identify_cpu(&boot_cpu_data);
+}
+
+void __cpuinit identify_secondary_cpu(struct cpuinfo_x86 *c)
+{
+ BUG_ON(c == &boot_cpu_data);
+ identify_cpu(c);
+ mtrr_ap_init();
+}
+
+static __init int setup_noclflush(char *arg)
+{
+ setup_clear_cpu_cap(X86_FEATURE_CLFLSH);
+ return 1;
+}
+__setup("noclflush", setup_noclflush);
+
+void __cpuinit print_cpu_info(struct cpuinfo_x86 *c)
+{
+ if (c->x86_model_id[0])
+ printk(KERN_CONT "%s", c->x86_model_id);
+
+ if (c->x86_mask || c->cpuid_level >= 0)
+ printk(KERN_CONT " stepping %02x\n", c->x86_mask);
+ else
+ printk(KERN_CONT "\n");
+}
+
+static __init int setup_disablecpuid(char *arg)
+{
+ int bit;
+ if (get_option(&arg, &bit) && bit < NCAPINTS*32)
+ setup_clear_cpu_cap(bit);
+ else
+ return 0;
+ return 1;
+}
+__setup("clearcpuid=", setup_disablecpuid);
+
+cpumask_t cpu_initialized __cpuinitdata = CPU_MASK_NONE;
+
+struct x8664_pda **_cpu_pda __read_mostly;
+EXPORT_SYMBOL(_cpu_pda);
+
+struct desc_ptr idt_descr = { 256 * 16 - 1, (unsigned long) idt_table };
+
+char boot_cpu_stack[IRQSTACKSIZE] __page_aligned_bss;
+
+unsigned long __supported_pte_mask __read_mostly = ~0UL;
+EXPORT_SYMBOL_GPL(__supported_pte_mask);
+
+static int do_not_nx __cpuinitdata;
+
+/* noexec=on|off
+Control non executable mappings for 64bit processes.
+
+on Enable(default)
+off Disable
+*/
+static int __init nonx_setup(char *str)
+{
+ if (!str)
+ return -EINVAL;
+ if (!strncmp(str, "on", 2)) {
+ __supported_pte_mask |= _PAGE_NX;
+ do_not_nx = 0;
+ } else if (!strncmp(str, "off", 3)) {
+ do_not_nx = 1;
+ __supported_pte_mask &= ~_PAGE_NX;
+ }
+ return 0;
+}
+early_param("noexec", nonx_setup);
+
+int force_personality32;
+
+/* noexec32=on|off
+Control non executable heap for 32bit processes.
+To control the stack too use noexec=off
+
+on PROT_READ does not imply PROT_EXEC for 32bit processes (default)
+off PROT_READ implies PROT_EXEC
+*/
+static int __init nonx32_setup(char *str)
+{
+ if (!strcmp(str, "on"))
+ force_personality32 &= ~READ_IMPLIES_EXEC;
+ else if (!strcmp(str, "off"))
+ force_personality32 |= READ_IMPLIES_EXEC;
+ return 1;
+}
+__setup("noexec32=", nonx32_setup);
+
+void pda_init(int cpu)
+{
+ struct x8664_pda *pda = cpu_pda(cpu);
+
+ /* Setup up data that may be needed in __get_free_pages early */
+ loadsegment(fs, 0);
+ loadsegment(gs, 0);
+ /* Memory clobbers used to order PDA accessed */
+ mb();
+ wrmsrl(MSR_GS_BASE, pda);
+ mb();
+
+ pda->cpunumber = cpu;
+ pda->irqcount = -1;
+ pda->kernelstack = (unsigned long)stack_thread_info() -
+ PDA_STACKOFFSET + THREAD_SIZE;
+ pda->active_mm = &init_mm;
+ pda->mmu_state = 0;
+
+ if (cpu == 0) {
+ /* others are initialized in smpboot.c */
+ pda->pcurrent = &init_task;
+ pda->irqstackptr = boot_cpu_stack;
+ } else {
+ pda->irqstackptr = (char *)
+ __get_free_pages(GFP_ATOMIC, IRQSTACK_ORDER);
+ if (!pda->irqstackptr)
+ panic("cannot allocate irqstack for cpu %d", cpu);
+
+ if (pda->nodenumber == 0 && cpu_to_node(cpu) != NUMA_NO_NODE)
+ pda->nodenumber = cpu_to_node(cpu);
+ }
+
+ pda->irqstackptr += IRQSTACKSIZE-64;
+}
+
+char boot_exception_stacks[(N_EXCEPTION_STACKS - 1) * EXCEPTION_STKSZ +
+ DEBUG_STKSZ]
+__attribute__((section(".bss.page_aligned")));
+
+extern asmlinkage void ignore_sysret(void);
+
+/* May not be marked __init: used by software suspend */
+void syscall_init(void)
+{
+ /*
+ * LSTAR and STAR live in a bit strange symbiosis.
+ * They both write to the same internal register. STAR allows to
+ * set CS/DS but only a 32bit target. LSTAR sets the 64bit rip.
+ */
+ wrmsrl(MSR_STAR, ((u64)__USER32_CS)<<48 | ((u64)__KERNEL_CS)<<32);
+ wrmsrl(MSR_LSTAR, system_call);
+ wrmsrl(MSR_CSTAR, ignore_sysret);
+
+#ifdef CONFIG_IA32_EMULATION
+ syscall32_cpu_init();
+#endif
+
+ /* Flags to clear on syscall */
+ wrmsrl(MSR_SYSCALL_MASK,
+ X86_EFLAGS_TF|X86_EFLAGS_DF|X86_EFLAGS_IF|X86_EFLAGS_IOPL);
+}
+
+void __cpuinit check_efer(void)
+{
+ unsigned long efer;
+
+ rdmsrl(MSR_EFER, efer);
+ if (!(efer & EFER_NX) || do_not_nx)
+ __supported_pte_mask &= ~_PAGE_NX;
+}
+
+unsigned long kernel_eflags;
+
+/*
+ * Copies of the original ist values from the tss are only accessed during
+ * debugging, no special alignment required.
+ */
+DEFINE_PER_CPU(struct orig_ist, orig_ist);
+
+/*
+ * cpu_init() initializes state that is per-CPU. Some data is already
+ * initialized (naturally) in the bootstrap process, such as the GDT
+ * and IDT. We reload them nevertheless, this function acts as a
+ * 'CPU state barrier', nothing should get across.
+ * A lot of state is already set up in PDA init.
+ */
+void __cpuinit cpu_init(void)
+{
+ int cpu = stack_smp_processor_id();
+ struct tss_struct *t = &per_cpu(init_tss, cpu);
+ struct orig_ist *orig_ist = &per_cpu(orig_ist, cpu);
+ unsigned long v;
+ char *estacks = NULL;
+ struct task_struct *me;
+ int i;
+
+ /* CPU 0 is initialised in head64.c */
+ if (cpu != 0)
+ pda_init(cpu);
+ else
+ estacks = boot_exception_stacks;
+
+ me = current;
+
+ if (cpu_test_and_set(cpu, cpu_initialized))
+ panic("CPU#%d already initialized!\n", cpu);
+
+ printk(KERN_INFO "Initializing CPU#%d\n", cpu);
+
+ clear_in_cr4(X86_CR4_VME|X86_CR4_PVI|X86_CR4_TSD|X86_CR4_DE);
+
+ /*
+ * Initialize the per-CPU GDT with the boot GDT,
+ * and set up the GDT descriptor:
+ */
+
+ switch_to_new_gdt();
+ load_idt((const struct desc_ptr *)&idt_descr);
+
+ memset(me->thread.tls_array, 0, GDT_ENTRY_TLS_ENTRIES * 8);
+ syscall_init();
+
+ wrmsrl(MSR_FS_BASE, 0);
+ wrmsrl(MSR_KERNEL_GS_BASE, 0);
+ barrier();
+
+ check_efer();
+
+ /*
+ * set up and load the per-CPU TSS
+ */
+ for (v = 0; v < N_EXCEPTION_STACKS; v++) {
+ static const unsigned int order[N_EXCEPTION_STACKS] = {
+ [0 ... N_EXCEPTION_STACKS - 1] = EXCEPTION_STACK_ORDER,
+ [DEBUG_STACK - 1] = DEBUG_STACK_ORDER
+ };
+ if (cpu) {
+ estacks = (char *)__get_free_pages(GFP_ATOMIC, order[v]);
+ if (!estacks)
+ panic("Cannot allocate exception stack %ld %d\n",
+ v, cpu);
+ }
+ estacks += PAGE_SIZE << order[v];
+ orig_ist->ist[v] = t->x86_tss.ist[v] = (unsigned long)estacks;
+ }
+
+ t->x86_tss.io_bitmap_base = offsetof(struct tss_struct, io_bitmap);
+ /*
+ * <= is required because the CPU will access up to
+ * 8 bits beyond the end of the IO permission bitmap.
+ */
+ for (i = 0; i <= IO_BITMAP_LONGS; i++)
+ t->io_bitmap[i] = ~0UL;
+
+ atomic_inc(&init_mm.mm_count);
+ me->active_mm = &init_mm;
+ if (me->mm)
+ BUG();
+ enter_lazy_tlb(&init_mm, me);
+
+ load_sp0(t, &current->thread);
+ set_tss_desc(cpu, t);
+ load_TR_desc();
+ load_LDT(&init_mm.context);
+
+#ifdef CONFIG_KGDB
+ /*
+ * If the kgdb is connected no debug regs should be altered. This
+ * is only applicable when KGDB and a KGDB I/O module are built
+ * into the kernel and you are using early debugging with
+ * kgdbwait. KGDB will control the kernel HW breakpoint registers.
+ */
+ if (kgdb_connected && arch_kgdb_ops.correct_hw_break)
+ arch_kgdb_ops.correct_hw_break();
+ else {
+#endif
+ /*
+ * Clear all 6 debug registers:
+ */
+
+ set_debugreg(0UL, 0);
+ set_debugreg(0UL, 1);
+ set_debugreg(0UL, 2);
+ set_debugreg(0UL, 3);
+ set_debugreg(0UL, 6);
+ set_debugreg(0UL, 7);
+#ifdef CONFIG_KGDB
+ /* If the kgdb is connected no debug regs should be altered. */
+ }
+#endif
+
+ fpu_init();
+
+ raw_local_save_flags(kernel_eflags);
+
+ if (is_uv_system())
+ uv_cpu_init();
+}
diff --git a/arch/x86/kernel/cpu/cpu.h b/arch/x86/kernel/cpu/cpu.h
index 783691b2a73..4d894e8565f 100644
--- a/arch/x86/kernel/cpu/cpu.h
+++ b/arch/x86/kernel/cpu/cpu.h
@@ -1,3 +1,6 @@
+#ifndef ARCH_X86_CPU_H
+
+#define ARCH_X86_CPU_H
struct cpu_model_info {
int vendor;
@@ -36,3 +39,5 @@ extern struct cpu_vendor_dev __x86cpuvendor_start[], __x86cpuvendor_end[];
extern int get_model_name(struct cpuinfo_x86 *c);
extern void display_cacheinfo(struct cpuinfo_x86 *c);
+
+#endif
diff --git a/arch/x86/kernel/cpu/cpufreq/cpufreq-nforce2.c b/arch/x86/kernel/cpu/cpufreq/cpufreq-nforce2.c
index f03e9153618..965ea52767a 100644
--- a/arch/x86/kernel/cpu/cpufreq/cpufreq-nforce2.c
+++ b/arch/x86/kernel/cpu/cpufreq/cpufreq-nforce2.c
@@ -26,9 +26,10 @@
#define NFORCE2_SAFE_DISTANCE 50
/* Delay in ms between FSB changes */
-//#define NFORCE2_DELAY 10
+/* #define NFORCE2_DELAY 10 */
-/* nforce2_chipset:
+/*
+ * nforce2_chipset:
* FSB is changed using the chipset
*/
static struct pci_dev *nforce2_chipset_dev;
@@ -36,13 +37,13 @@ static struct pci_dev *nforce2_chipset_dev;
/* fid:
* multiplier * 10
*/
-static int fid = 0;
+static int fid;
/* min_fsb, max_fsb:
* minimum and maximum FSB (= FSB at boot time)
*/
-static int min_fsb = 0;
-static int max_fsb = 0;
+static int min_fsb;
+static int max_fsb;
MODULE_AUTHOR("Sebastian Witt <se.witt@gmx.net>");
MODULE_DESCRIPTION("nForce2 FSB changing cpufreq driver");
@@ -53,7 +54,7 @@ module_param(min_fsb, int, 0444);
MODULE_PARM_DESC(fid, "CPU multiplier to use (11.5 = 115)");
MODULE_PARM_DESC(min_fsb,
- "Minimum FSB to use, if not defined: current FSB - 50");
+ "Minimum FSB to use, if not defined: current FSB - 50");
#define dprintk(msg...) cpufreq_debug_printk(CPUFREQ_DEBUG_DRIVER, "cpufreq-nforce2", msg)
@@ -139,7 +140,7 @@ static unsigned int nforce2_fsb_read(int bootfsb)
/* Get chipset boot FSB from subdevice 5 (FSB at boot-time) */
nforce2_sub5 = pci_get_subsys(PCI_VENDOR_ID_NVIDIA,
- 0x01EF,PCI_ANY_ID,PCI_ANY_ID,NULL);
+ 0x01EF, PCI_ANY_ID, PCI_ANY_ID, NULL);
if (!nforce2_sub5)
return 0;
@@ -147,13 +148,13 @@ static unsigned int nforce2_fsb_read(int bootfsb)
fsb /= 1000000;
/* Check if PLL register is already set */
- pci_read_config_byte(nforce2_chipset_dev,NFORCE2_PLLENABLE, (u8 *)&temp);
+ pci_read_config_byte(nforce2_chipset_dev, NFORCE2_PLLENABLE, (u8 *)&temp);
- if(bootfsb || !temp)
+ if (bootfsb || !temp)
return fsb;
-
+
/* Use PLL register FSB value */
- pci_read_config_dword(nforce2_chipset_dev,NFORCE2_PLLREG, &temp);
+ pci_read_config_dword(nforce2_chipset_dev, NFORCE2_PLLREG, &temp);
fsb = nforce2_calc_fsb(temp);
return fsb;
@@ -184,7 +185,7 @@ static int nforce2_set_fsb(unsigned int fsb)
}
/* First write? Then set actual value */
- pci_read_config_byte(nforce2_chipset_dev,NFORCE2_PLLENABLE, (u8 *)&temp);
+ pci_read_config_byte(nforce2_chipset_dev, NFORCE2_PLLENABLE, (u8 *)&temp);
if (!temp) {
pll = nforce2_calc_pll(tfsb);
@@ -210,7 +211,8 @@ static int nforce2_set_fsb(unsigned int fsb)
tfsb--;
/* Calculate the PLL reg. value */
- if ((pll = nforce2_calc_pll(tfsb)) == -1)
+ pll = nforce2_calc_pll(tfsb);
+ if (pll == -1)
return -EINVAL;
nforce2_write_pll(pll);
@@ -249,7 +251,7 @@ static unsigned int nforce2_get(unsigned int cpu)
static int nforce2_target(struct cpufreq_policy *policy,
unsigned int target_freq, unsigned int relation)
{
-// unsigned long flags;
+/* unsigned long flags; */
struct cpufreq_freqs freqs;
unsigned int target_fsb;
@@ -271,17 +273,17 @@ static int nforce2_target(struct cpufreq_policy *policy,
cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
/* Disable IRQs */
- //local_irq_save(flags);
+ /* local_irq_save(flags); */
if (nforce2_set_fsb(target_fsb) < 0)
printk(KERN_ERR "cpufreq: Changing FSB to %d failed\n",
- target_fsb);
+ target_fsb);
else
dprintk("Changed FSB successfully to %d\n",
- target_fsb);
+ target_fsb);
/* Enable IRQs */
- //local_irq_restore(flags);
+ /* local_irq_restore(flags); */
cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
@@ -302,8 +304,8 @@ static int nforce2_verify(struct cpufreq_policy *policy)
policy->max = (fsb_pol_max + 1) * fid * 100;
cpufreq_verify_within_limits(policy,
- policy->cpuinfo.min_freq,
- policy->cpuinfo.max_freq);
+ policy->cpuinfo.min_freq,
+ policy->cpuinfo.max_freq);
return 0;
}
@@ -347,7 +349,7 @@ static int nforce2_cpu_init(struct cpufreq_policy *policy)
/* Set maximum FSB to FSB at boot time */
max_fsb = nforce2_fsb_read(1);
- if(!max_fsb)
+ if (!max_fsb)
return -EIO;
if (!min_fsb)
diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c
index fe9224c51d3..70609efdf1d 100644
--- a/arch/x86/kernel/cpu/intel.c
+++ b/arch/x86/kernel/cpu/intel.c
@@ -226,6 +226,10 @@ static void __cpuinit init_intel(struct cpuinfo_x86 *c)
if (cpu_has_bts)
ds_init_intel(c);
+
+#ifdef CONFIG_X86_NUMAQ
+ numaq_tsc_disable();
+#endif
}
static unsigned int __cpuinit intel_size_cache(struct cpuinfo_x86 *c, unsigned int size)
diff --git a/arch/x86/kernel/cpu/intel_64.c b/arch/x86/kernel/cpu/intel_64.c
new file mode 100644
index 00000000000..1019c58d39f
--- /dev/null
+++ b/arch/x86/kernel/cpu/intel_64.c
@@ -0,0 +1,95 @@
+#include <linux/init.h>
+#include <linux/smp.h>
+#include <asm/processor.h>
+#include <asm/ptrace.h>
+#include <asm/topology.h>
+#include <asm/numa_64.h>
+
+#include "cpu.h"
+
+static void __cpuinit early_init_intel(struct cpuinfo_x86 *c)
+{
+ if ((c->x86 == 0xf && c->x86_model >= 0x03) ||
+ (c->x86 == 0x6 && c->x86_model >= 0x0e))
+ set_cpu_cap(c, X86_FEATURE_CONSTANT_TSC);
+
+ set_cpu_cap(c, X86_FEATURE_SYSENTER32);
+}
+
+/*
+ * find out the number of processor cores on the die
+ */
+static int __cpuinit intel_num_cpu_cores(struct cpuinfo_x86 *c)
+{
+ unsigned int eax, t;
+
+ if (c->cpuid_level < 4)
+ return 1;
+
+ cpuid_count(4, 0, &eax, &t, &t, &t);
+
+ if (eax & 0x1f)
+ return ((eax >> 26) + 1);
+ else
+ return 1;
+}
+
+static void __cpuinit srat_detect_node(void)
+{
+#ifdef CONFIG_NUMA
+ unsigned node;
+ int cpu = smp_processor_id();
+ int apicid = hard_smp_processor_id();
+
+ /* Don't do the funky fallback heuristics the AMD version employs
+ for now. */
+ node = apicid_to_node[apicid];
+ if (node == NUMA_NO_NODE || !node_online(node))
+ node = first_node(node_online_map);
+ numa_set_node(cpu, node);
+
+ printk(KERN_INFO "CPU %d/%x -> Node %d\n", cpu, apicid, node);
+#endif
+}
+
+static void __cpuinit init_intel(struct cpuinfo_x86 *c)
+{
+ init_intel_cacheinfo(c);
+ if (c->cpuid_level > 9) {
+ unsigned eax = cpuid_eax(10);
+ /* Check for version and the number of counters */
+ if ((eax & 0xff) && (((eax>>8) & 0xff) > 1))
+ set_cpu_cap(c, X86_FEATURE_ARCH_PERFMON);
+ }
+
+ if (cpu_has_ds) {
+ unsigned int l1, l2;
+ rdmsr(MSR_IA32_MISC_ENABLE, l1, l2);
+ if (!(l1 & (1<<11)))
+ set_cpu_cap(c, X86_FEATURE_BTS);
+ if (!(l1 & (1<<12)))
+ set_cpu_cap(c, X86_FEATURE_PEBS);
+ }
+
+
+ if (cpu_has_bts)
+ ds_init_intel(c);
+
+ if (c->x86 == 15)
+ c->x86_cache_alignment = c->x86_clflush_size * 2;
+ if (c->x86 == 6)
+ set_cpu_cap(c, X86_FEATURE_REP_GOOD);
+ set_cpu_cap(c, X86_FEATURE_LFENCE_RDTSC);
+ c->x86_max_cores = intel_num_cpu_cores(c);
+
+ srat_detect_node();
+}
+
+static struct cpu_dev intel_cpu_dev __cpuinitdata = {
+ .c_vendor = "Intel",
+ .c_ident = { "GenuineIntel" },
+ .c_early_init = early_init_intel,
+ .c_init = init_intel,
+};
+cpu_vendor_dev_register(X86_VENDOR_INTEL, &intel_cpu_dev);
+
diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c
index bfade3301c3..a7b0f8f1736 100644
--- a/arch/x86/kernel/cpu/intel_cacheinfo.c
+++ b/arch/x86/kernel/cpu/intel_cacheinfo.c
@@ -62,6 +62,7 @@ static struct _cache_table cache_table[] __cpuinitdata =
{ 0x4b, LVL_3, 8192 }, /* 16-way set assoc, 64 byte line size */
{ 0x4c, LVL_3, 12288 }, /* 12-way set assoc, 64 byte line size */
{ 0x4d, LVL_3, 16384 }, /* 16-way set assoc, 64 byte line size */
+ { 0x4e, LVL_2, 6144 }, /* 24-way set assoc, 64 byte line size */
{ 0x60, LVL_1_DATA, 16 }, /* 8-way set assoc, sectored cache, 64 byte line size */
{ 0x66, LVL_1_DATA, 8 }, /* 4-way set assoc, sectored cache, 64 byte line size */
{ 0x67, LVL_1_DATA, 16 }, /* 4-way set assoc, sectored cache, 64 byte line size */
diff --git a/arch/x86/kernel/cpu/mcheck/k7.c b/arch/x86/kernel/cpu/mcheck/k7.c
index e633c9c2b76..f390c9f6635 100644
--- a/arch/x86/kernel/cpu/mcheck/k7.c
+++ b/arch/x86/kernel/cpu/mcheck/k7.c
@@ -9,23 +9,23 @@
#include <linux/interrupt.h>
#include <linux/smp.h>
-#include <asm/processor.h>
+#include <asm/processor.h>
#include <asm/system.h>
#include <asm/msr.h>
#include "mce.h"
/* Machine Check Handler For AMD Athlon/Duron */
-static void k7_machine_check(struct pt_regs * regs, long error_code)
+static void k7_machine_check(struct pt_regs *regs, long error_code)
{
- int recover=1;
+ int recover = 1;
u32 alow, ahigh, high, low;
u32 mcgstl, mcgsth;
int i;
- rdmsr (MSR_IA32_MCG_STATUS, mcgstl, mcgsth);
+ rdmsr(MSR_IA32_MCG_STATUS, mcgstl, mcgsth);
if (mcgstl & (1<<0)) /* Recoverable ? */
- recover=0;
+ recover = 0;
printk(KERN_EMERG "CPU %d: Machine Check Exception: %08x%08x\n",
smp_processor_id(), mcgsth, mcgstl);
@@ -60,12 +60,12 @@ static void k7_machine_check(struct pt_regs * regs, long error_code)
}
if (recover&2)
- panic ("CPU context corrupt");
+ panic("CPU context corrupt");
if (recover&1)
- panic ("Unable to continue");
- printk (KERN_EMERG "Attempting to continue.\n");
+ panic("Unable to continue");
+ printk(KERN_EMERG "Attempting to continue.\n");
mcgstl &= ~(1<<2);
- wrmsr (MSR_IA32_MCG_STATUS,mcgstl, mcgsth);
+ wrmsr(MSR_IA32_MCG_STATUS, mcgstl, mcgsth);
}
@@ -81,25 +81,25 @@ void amd_mcheck_init(struct cpuinfo_x86 *c)
machine_check_vector = k7_machine_check;
wmb();
- printk (KERN_INFO "Intel machine check architecture supported.\n");
- rdmsr (MSR_IA32_MCG_CAP, l, h);
+ printk(KERN_INFO "Intel machine check architecture supported.\n");
+ rdmsr(MSR_IA32_MCG_CAP, l, h);
if (l & (1<<8)) /* Control register present ? */
- wrmsr (MSR_IA32_MCG_CTL, 0xffffffff, 0xffffffff);
+ wrmsr(MSR_IA32_MCG_CTL, 0xffffffff, 0xffffffff);
nr_mce_banks = l & 0xff;
/* Clear status for MC index 0 separately, we don't touch CTL,
* as some K7 Athlons cause spurious MCEs when its enabled. */
if (boot_cpu_data.x86 == 6) {
- wrmsr (MSR_IA32_MC0_STATUS, 0x0, 0x0);
+ wrmsr(MSR_IA32_MC0_STATUS, 0x0, 0x0);
i = 1;
} else
i = 0;
- for (; i<nr_mce_banks; i++) {
- wrmsr (MSR_IA32_MC0_CTL+4*i, 0xffffffff, 0xffffffff);
- wrmsr (MSR_IA32_MC0_STATUS+4*i, 0x0, 0x0);
+ for (; i < nr_mce_banks; i++) {
+ wrmsr(MSR_IA32_MC0_CTL+4*i, 0xffffffff, 0xffffffff);
+ wrmsr(MSR_IA32_MC0_STATUS+4*i, 0x0, 0x0);
}
- set_in_cr4 (X86_CR4_MCE);
- printk (KERN_INFO "Intel machine check reporting enabled on CPU#%d.\n",
+ set_in_cr4(X86_CR4_MCE);
+ printk(KERN_INFO "Intel machine check reporting enabled on CPU#%d.\n",
smp_processor_id());
}
diff --git a/arch/x86/kernel/cpu/mcheck/mce_64.c b/arch/x86/kernel/cpu/mcheck/mce_64.c
index e07e8c068ae..c4a7ec31394 100644
--- a/arch/x86/kernel/cpu/mcheck/mce_64.c
+++ b/arch/x86/kernel/cpu/mcheck/mce_64.c
@@ -9,6 +9,7 @@
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/sched.h>
+#include <linux/smp_lock.h>
#include <linux/string.h>
#include <linux/rcupdate.h>
#include <linux/kallsyms.h>
@@ -31,7 +32,7 @@
#include <asm/idle.h>
#define MISC_MCELOG_MINOR 227
-#define NR_BANKS 6
+#define NR_SYSFS_BANKS 6
atomic_t mce_entry;
@@ -46,7 +47,7 @@ static int mce_dont_init;
*/
static int tolerant = 1;
static int banks;
-static unsigned long bank[NR_BANKS] = { [0 ... NR_BANKS-1] = ~0UL };
+static unsigned long bank[NR_SYSFS_BANKS] = { [0 ... NR_SYSFS_BANKS-1] = ~0UL };
static unsigned long notify_user;
static int rip_msr;
static int mce_bootlog = -1;
@@ -209,7 +210,7 @@ void do_machine_check(struct pt_regs * regs, long error_code)
barrier();
for (i = 0; i < banks; i++) {
- if (!bank[i])
+ if (i < NR_SYSFS_BANKS && !bank[i])
continue;
m.misc = 0;
@@ -363,7 +364,7 @@ static void mcheck_check_cpu(void *info)
static void mcheck_timer(struct work_struct *work)
{
- on_each_cpu(mcheck_check_cpu, NULL, 1, 1);
+ on_each_cpu(mcheck_check_cpu, NULL, 1);
/*
* Alert userspace if needed. If we logged an MCE, reduce the
@@ -444,9 +445,10 @@ static void mce_init(void *dummy)
rdmsrl(MSR_IA32_MCG_CAP, cap);
banks = cap & 0xff;
- if (banks > NR_BANKS) {
- printk(KERN_INFO "MCE: warning: using only %d banks\n", banks);
- banks = NR_BANKS;
+ if (banks > MCE_EXTENDED_BANK) {
+ banks = MCE_EXTENDED_BANK;
+ printk(KERN_INFO "MCE: warning: using only %d banks\n",
+ MCE_EXTENDED_BANK);
}
/* Use accurate RIP reporting if available. */
if ((cap & (1<<9)) && ((cap >> 16) & 0xff) >= 9)
@@ -462,7 +464,11 @@ static void mce_init(void *dummy)
wrmsr(MSR_IA32_MCG_CTL, 0xffffffff, 0xffffffff);
for (i = 0; i < banks; i++) {
- wrmsrl(MSR_IA32_MC0_CTL+4*i, bank[i]);
+ if (i < NR_SYSFS_BANKS)
+ wrmsrl(MSR_IA32_MC0_CTL+4*i, bank[i]);
+ else
+ wrmsrl(MSR_IA32_MC0_CTL+4*i, ~0UL);
+
wrmsrl(MSR_IA32_MC0_STATUS+4*i, 0);
}
}
@@ -527,10 +533,12 @@ static int open_exclu; /* already open exclusive? */
static int mce_open(struct inode *inode, struct file *file)
{
+ lock_kernel();
spin_lock(&mce_state_lock);
if (open_exclu || (open_count && (file->f_flags & O_EXCL))) {
spin_unlock(&mce_state_lock);
+ unlock_kernel();
return -EBUSY;
}
@@ -539,6 +547,7 @@ static int mce_open(struct inode *inode, struct file *file)
open_count++;
spin_unlock(&mce_state_lock);
+ unlock_kernel();
return nonseekable_open(inode, file);
}
@@ -612,7 +621,7 @@ static ssize_t mce_read(struct file *filp, char __user *ubuf, size_t usize,
* Collect entries that were still getting written before the
* synchronize.
*/
- on_each_cpu(collect_tscs, cpu_tsc, 1, 1);
+ on_each_cpu(collect_tscs, cpu_tsc, 1);
for (i = next; i < MCE_LOG_LEN; i++) {
if (mcelog.entry[i].finished &&
mcelog.entry[i].tsc < cpu_tsc[mcelog.entry[i].cpu]) {
@@ -737,7 +746,7 @@ static void mce_restart(void)
if (next_interval)
cancel_delayed_work(&mcheck_work);
/* Timer race is harmless here */
- on_each_cpu(mce_init, NULL, 1, 1);
+ on_each_cpu(mce_init, NULL, 1);
next_interval = check_interval * HZ;
if (next_interval)
schedule_delayed_work(&mcheck_work,
@@ -766,7 +775,10 @@ DEFINE_PER_CPU(struct sys_device, device_mce);
} \
static SYSDEV_ATTR(name, 0644, show_ ## name, set_ ## name);
-/* TBD should generate these dynamically based on number of available banks */
+/*
+ * TBD should generate these dynamically based on number of available banks.
+ * Have only 6 contol banks in /sysfs until then.
+ */
ACCESSOR(bank0ctl,bank[0],mce_restart())
ACCESSOR(bank1ctl,bank[1],mce_restart())
ACCESSOR(bank2ctl,bank[2],mce_restart())
diff --git a/arch/x86/kernel/cpu/mcheck/non-fatal.c b/arch/x86/kernel/cpu/mcheck/non-fatal.c
index 00ccb6c14ec..cc1fccdd31e 100644
--- a/arch/x86/kernel/cpu/mcheck/non-fatal.c
+++ b/arch/x86/kernel/cpu/mcheck/non-fatal.c
@@ -59,7 +59,7 @@ static DECLARE_DELAYED_WORK(mce_work, mce_work_fn);
static void mce_work_fn(struct work_struct *work)
{
- on_each_cpu(mce_checkregs, NULL, 1, 1);
+ on_each_cpu(mce_checkregs, NULL, 1);
schedule_delayed_work(&mce_work, round_jiffies_relative(MCE_RATE));
}
diff --git a/arch/x86/kernel/cpu/mcheck/p4.c b/arch/x86/kernel/cpu/mcheck/p4.c
index cb03345554a..eef001ad3bd 100644
--- a/arch/x86/kernel/cpu/mcheck/p4.c
+++ b/arch/x86/kernel/cpu/mcheck/p4.c
@@ -8,7 +8,7 @@
#include <linux/interrupt.h>
#include <linux/smp.h>
-#include <asm/processor.h>
+#include <asm/processor.h>
#include <asm/system.h>
#include <asm/msr.h>
#include <asm/apic.h>
@@ -32,12 +32,12 @@ struct intel_mce_extended_msrs {
/* u32 *reserved[]; */
};
-static int mce_num_extended_msrs = 0;
+static int mce_num_extended_msrs;
#ifdef CONFIG_X86_MCE_P4THERMAL
static void unexpected_thermal_interrupt(struct pt_regs *regs)
-{
+{
printk(KERN_ERR "CPU%d: Unexpected LVT TMR interrupt!\n",
smp_processor_id());
add_taint(TAINT_MACHINE_CHECK);
@@ -83,7 +83,7 @@ static void intel_init_thermal(struct cpuinfo_x86 *c)
* be some SMM goo which handles it, so we can't even put a handler
* since it might be delivered via SMI already -zwanem.
*/
- rdmsr (MSR_IA32_MISC_ENABLE, l, h);
+ rdmsr(MSR_IA32_MISC_ENABLE, l, h);
h = apic_read(APIC_LVTTHMR);
if ((l & (1<<3)) && (h & APIC_DM_SMI)) {
printk(KERN_DEBUG "CPU%d: Thermal monitoring handled by SMI\n",
@@ -91,7 +91,7 @@ static void intel_init_thermal(struct cpuinfo_x86 *c)
return; /* -EBUSY */
}
- /* check whether a vector already exists, temporarily masked? */
+ /* check whether a vector already exists, temporarily masked? */
if (h & APIC_VECTOR_MASK) {
printk(KERN_DEBUG "CPU%d: Thermal LVT vector (%#x) already "
"installed\n",
@@ -104,18 +104,18 @@ static void intel_init_thermal(struct cpuinfo_x86 *c)
h |= (APIC_DM_FIXED | APIC_LVT_MASKED); /* we'll mask till we're ready */
apic_write_around(APIC_LVTTHMR, h);
- rdmsr (MSR_IA32_THERM_INTERRUPT, l, h);
- wrmsr (MSR_IA32_THERM_INTERRUPT, l | 0x03 , h);
+ rdmsr(MSR_IA32_THERM_INTERRUPT, l, h);
+ wrmsr(MSR_IA32_THERM_INTERRUPT, l | 0x03 , h);
/* ok we're good to go... */
vendor_thermal_interrupt = intel_thermal_interrupt;
-
- rdmsr (MSR_IA32_MISC_ENABLE, l, h);
- wrmsr (MSR_IA32_MISC_ENABLE, l | (1<<3), h);
- l = apic_read (APIC_LVTTHMR);
- apic_write_around (APIC_LVTTHMR, l & ~APIC_LVT_MASKED);
- printk (KERN_INFO "CPU%d: Thermal monitoring enabled\n", cpu);
+ rdmsr(MSR_IA32_MISC_ENABLE, l, h);
+ wrmsr(MSR_IA32_MISC_ENABLE, l | (1<<3), h);
+
+ l = apic_read(APIC_LVTTHMR);
+ apic_write_around(APIC_LVTTHMR, l & ~APIC_LVT_MASKED);
+ printk(KERN_INFO "CPU%d: Thermal monitoring enabled\n", cpu);
/* enable thermal throttle processing */
atomic_set(&therm_throt_en, 1);
@@ -129,28 +129,28 @@ static inline void intel_get_extended_msrs(struct intel_mce_extended_msrs *r)
{
u32 h;
- rdmsr (MSR_IA32_MCG_EAX, r->eax, h);
- rdmsr (MSR_IA32_MCG_EBX, r->ebx, h);
- rdmsr (MSR_IA32_MCG_ECX, r->ecx, h);
- rdmsr (MSR_IA32_MCG_EDX, r->edx, h);
- rdmsr (MSR_IA32_MCG_ESI, r->esi, h);
- rdmsr (MSR_IA32_MCG_EDI, r->edi, h);
- rdmsr (MSR_IA32_MCG_EBP, r->ebp, h);
- rdmsr (MSR_IA32_MCG_ESP, r->esp, h);
- rdmsr (MSR_IA32_MCG_EFLAGS, r->eflags, h);
- rdmsr (MSR_IA32_MCG_EIP, r->eip, h);
+ rdmsr(MSR_IA32_MCG_EAX, r->eax, h);
+ rdmsr(MSR_IA32_MCG_EBX, r->ebx, h);
+ rdmsr(MSR_IA32_MCG_ECX, r->ecx, h);
+ rdmsr(MSR_IA32_MCG_EDX, r->edx, h);
+ rdmsr(MSR_IA32_MCG_ESI, r->esi, h);
+ rdmsr(MSR_IA32_MCG_EDI, r->edi, h);
+ rdmsr(MSR_IA32_MCG_EBP, r->ebp, h);
+ rdmsr(MSR_IA32_MCG_ESP, r->esp, h);
+ rdmsr(MSR_IA32_MCG_EFLAGS, r->eflags, h);
+ rdmsr(MSR_IA32_MCG_EIP, r->eip, h);
}
-static void intel_machine_check(struct pt_regs * regs, long error_code)
+static void intel_machine_check(struct pt_regs *regs, long error_code)
{
- int recover=1;
+ int recover = 1;
u32 alow, ahigh, high, low;
u32 mcgstl, mcgsth;
int i;
- rdmsr (MSR_IA32_MCG_STATUS, mcgstl, mcgsth);
+ rdmsr(MSR_IA32_MCG_STATUS, mcgstl, mcgsth);
if (mcgstl & (1<<0)) /* Recoverable ? */
- recover=0;
+ recover = 0;
printk(KERN_EMERG "CPU %d: Machine Check Exception: %08x%08x\n",
smp_processor_id(), mcgsth, mcgstl);
@@ -191,20 +191,20 @@ static void intel_machine_check(struct pt_regs * regs, long error_code)
}
if (recover & 2)
- panic ("CPU context corrupt");
+ panic("CPU context corrupt");
if (recover & 1)
- panic ("Unable to continue");
+ panic("Unable to continue");
printk(KERN_EMERG "Attempting to continue.\n");
- /*
- * Do not clear the MSR_IA32_MCi_STATUS if the error is not
+ /*
+ * Do not clear the MSR_IA32_MCi_STATUS if the error is not
* recoverable/continuable.This will allow BIOS to look at the MSRs
* for errors if the OS could not log the error.
*/
- for (i=0; i<nr_mce_banks; i++) {
+ for (i = 0; i < nr_mce_banks; i++) {
u32 msr;
msr = MSR_IA32_MC0_STATUS+i*4;
- rdmsr (msr, low, high);
+ rdmsr(msr, low, high);
if (high&(1<<31)) {
/* Clear it */
wrmsr(msr, 0UL, 0UL);
@@ -214,7 +214,7 @@ static void intel_machine_check(struct pt_regs * regs, long error_code)
}
}
mcgstl &= ~(1<<2);
- wrmsr (MSR_IA32_MCG_STATUS,mcgstl, mcgsth);
+ wrmsr(MSR_IA32_MCG_STATUS, mcgstl, mcgsth);
}
@@ -222,30 +222,30 @@ void intel_p4_mcheck_init(struct cpuinfo_x86 *c)
{
u32 l, h;
int i;
-
+
machine_check_vector = intel_machine_check;
wmb();
- printk (KERN_INFO "Intel machine check architecture supported.\n");
- rdmsr (MSR_IA32_MCG_CAP, l, h);
+ printk(KERN_INFO "Intel machine check architecture supported.\n");
+ rdmsr(MSR_IA32_MCG_CAP, l, h);
if (l & (1<<8)) /* Control register present ? */
- wrmsr (MSR_IA32_MCG_CTL, 0xffffffff, 0xffffffff);
+ wrmsr(MSR_IA32_MCG_CTL, 0xffffffff, 0xffffffff);
nr_mce_banks = l & 0xff;
- for (i=0; i<nr_mce_banks; i++) {
- wrmsr (MSR_IA32_MC0_CTL+4*i, 0xffffffff, 0xffffffff);
- wrmsr (MSR_IA32_MC0_STATUS+4*i, 0x0, 0x0);
+ for (i = 0; i < nr_mce_banks; i++) {
+ wrmsr(MSR_IA32_MC0_CTL+4*i, 0xffffffff, 0xffffffff);
+ wrmsr(MSR_IA32_MC0_STATUS+4*i, 0x0, 0x0);
}
- set_in_cr4 (X86_CR4_MCE);
- printk (KERN_INFO "Intel machine check reporting enabled on CPU#%d.\n",
+ set_in_cr4(X86_CR4_MCE);
+ printk(KERN_INFO "Intel machine check reporting enabled on CPU#%d.\n",
smp_processor_id());
/* Check for P4/Xeon extended MCE MSRs */
- rdmsr (MSR_IA32_MCG_CAP, l, h);
+ rdmsr(MSR_IA32_MCG_CAP, l, h);
if (l & (1<<9)) {/* MCG_EXT_P */
mce_num_extended_msrs = (l >> 16) & 0xff;
- printk (KERN_INFO "CPU%d: Intel P4/Xeon Extended MCE MSRs (%d)"
+ printk(KERN_INFO "CPU%d: Intel P4/Xeon Extended MCE MSRs (%d)"
" available\n",
smp_processor_id(), mce_num_extended_msrs);
diff --git a/arch/x86/kernel/cpu/mtrr/generic.c b/arch/x86/kernel/cpu/mtrr/generic.c
index 5d241ce94a4..509bd3d9eac 100644
--- a/arch/x86/kernel/cpu/mtrr/generic.c
+++ b/arch/x86/kernel/cpu/mtrr/generic.c
@@ -37,7 +37,7 @@ static struct fixed_range_block fixed_range_blocks[] = {
static unsigned long smp_changes_mask;
static struct mtrr_state mtrr_state = {};
static int mtrr_state_set;
-static u64 tom2;
+u64 mtrr_tom2;
#undef MODULE_PARAM_PREFIX
#define MODULE_PARAM_PREFIX "mtrr."
@@ -139,8 +139,8 @@ u8 mtrr_type_lookup(u64 start, u64 end)
}
}
- if (tom2) {
- if (start >= (1ULL<<32) && (end < tom2))
+ if (mtrr_tom2) {
+ if (start >= (1ULL<<32) && (end < mtrr_tom2))
return MTRR_TYPE_WRBACK;
}
@@ -158,6 +158,20 @@ get_mtrr_var_range(unsigned int index, struct mtrr_var_range *vr)
rdmsr(MTRRphysMask_MSR(index), vr->mask_lo, vr->mask_hi);
}
+/* fill the MSR pair relating to a var range */
+void fill_mtrr_var_range(unsigned int index,
+ u32 base_lo, u32 base_hi, u32 mask_lo, u32 mask_hi)
+{
+ struct mtrr_var_range *vr;
+
+ vr = mtrr_state.var_ranges;
+
+ vr[index].base_lo = base_lo;
+ vr[index].base_hi = base_hi;
+ vr[index].mask_lo = mask_lo;
+ vr[index].mask_hi = mask_hi;
+}
+
static void
get_fixed_ranges(mtrr_type * frs)
{
@@ -213,13 +227,13 @@ void __init get_mtrr_state(void)
mtrr_state.enabled = (lo & 0xc00) >> 10;
if (amd_special_default_mtrr()) {
- unsigned lo, hi;
+ unsigned low, high;
/* TOP_MEM2 */
- rdmsr(MSR_K8_TOP_MEM2, lo, hi);
- tom2 = hi;
- tom2 <<= 32;
- tom2 |= lo;
- tom2 &= 0xffffff8000000ULL;
+ rdmsr(MSR_K8_TOP_MEM2, low, high);
+ mtrr_tom2 = high;
+ mtrr_tom2 <<= 32;
+ mtrr_tom2 |= low;
+ mtrr_tom2 &= 0xffffff800000ULL;
}
if (mtrr_show) {
int high_width;
@@ -251,9 +265,9 @@ void __init get_mtrr_state(void)
else
printk(KERN_INFO "MTRR %u disabled\n", i);
}
- if (tom2) {
+ if (mtrr_tom2) {
printk(KERN_INFO "TOM2: %016llx aka %lldM\n",
- tom2, tom2>>20);
+ mtrr_tom2, mtrr_tom2>>20);
}
}
mtrr_state_set = 1;
@@ -328,7 +342,7 @@ static void set_fixed_range(int msr, bool *changed, unsigned int *msrwords)
if (lo != msrwords[0] || hi != msrwords[1]) {
if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD &&
- boot_cpu_data.x86 == 15 &&
+ (boot_cpu_data.x86 >= 0x0f && boot_cpu_data.x86 <= 0x11) &&
((msrwords[0] | msrwords[1]) & K8_MTRR_RDMEM_WRMEM_MASK))
k8_enable_fixed_iorrs();
mtrr_wrmsr(msr, msrwords[0], msrwords[1]);
diff --git a/arch/x86/kernel/cpu/mtrr/main.c b/arch/x86/kernel/cpu/mtrr/main.c
index 6a1e278d932..6f23969c8fa 100644
--- a/arch/x86/kernel/cpu/mtrr/main.c
+++ b/arch/x86/kernel/cpu/mtrr/main.c
@@ -37,6 +37,7 @@
#include <linux/smp.h>
#include <linux/cpu.h>
#include <linux/mutex.h>
+#include <linux/sort.h>
#include <asm/e820.h>
#include <asm/mtrr.h>
@@ -222,7 +223,7 @@ static void set_mtrr(unsigned int reg, unsigned long base,
atomic_set(&data.gate,0);
/* Start the ball rolling on other CPUs */
- if (smp_call_function(ipi_handler, &data, 1, 0) != 0)
+ if (smp_call_function(ipi_handler, &data, 0) != 0)
panic("mtrr: timed out waiting for other CPUs\n");
local_irq_save(flags);
@@ -609,6 +610,787 @@ static struct sysdev_driver mtrr_sysdev_driver = {
.resume = mtrr_restore,
};
+/* should be related to MTRR_VAR_RANGES nums */
+#define RANGE_NUM 256
+
+struct res_range {
+ unsigned long start;
+ unsigned long end;
+};
+
+static int __init
+add_range(struct res_range *range, int nr_range, unsigned long start,
+ unsigned long end)
+{
+ /* out of slots */
+ if (nr_range >= RANGE_NUM)
+ return nr_range;
+
+ range[nr_range].start = start;
+ range[nr_range].end = end;
+
+ nr_range++;
+
+ return nr_range;
+}
+
+static int __init
+add_range_with_merge(struct res_range *range, int nr_range, unsigned long start,
+ unsigned long end)
+{
+ int i;
+
+ /* try to merge it with old one */
+ for (i = 0; i < nr_range; i++) {
+ unsigned long final_start, final_end;
+ unsigned long common_start, common_end;
+
+ if (!range[i].end)
+ continue;
+
+ common_start = max(range[i].start, start);
+ common_end = min(range[i].end, end);
+ if (common_start > common_end + 1)
+ continue;
+
+ final_start = min(range[i].start, start);
+ final_end = max(range[i].end, end);
+
+ range[i].start = final_start;
+ range[i].end = final_end;
+ return nr_range;
+ }
+
+ /* need to add that */
+ return add_range(range, nr_range, start, end);
+}
+
+static void __init
+subtract_range(struct res_range *range, unsigned long start, unsigned long end)
+{
+ int i, j;
+
+ for (j = 0; j < RANGE_NUM; j++) {
+ if (!range[j].end)
+ continue;
+
+ if (start <= range[j].start && end >= range[j].end) {
+ range[j].start = 0;
+ range[j].end = 0;
+ continue;
+ }
+
+ if (start <= range[j].start && end < range[j].end &&
+ range[j].start < end + 1) {
+ range[j].start = end + 1;
+ continue;
+ }
+
+
+ if (start > range[j].start && end >= range[j].end &&
+ range[j].end > start - 1) {
+ range[j].end = start - 1;
+ continue;
+ }
+
+ if (start > range[j].start && end < range[j].end) {
+ /* find the new spare */
+ for (i = 0; i < RANGE_NUM; i++) {
+ if (range[i].end == 0)
+ break;
+ }
+ if (i < RANGE_NUM) {
+ range[i].end = range[j].end;
+ range[i].start = end + 1;
+ } else {
+ printk(KERN_ERR "run of slot in ranges\n");
+ }
+ range[j].end = start - 1;
+ continue;
+ }
+ }
+}
+
+static int __init cmp_range(const void *x1, const void *x2)
+{
+ const struct res_range *r1 = x1;
+ const struct res_range *r2 = x2;
+ long start1, start2;
+
+ start1 = r1->start;
+ start2 = r2->start;
+
+ return start1 - start2;
+}
+
+struct var_mtrr_range_state {
+ unsigned long base_pfn;
+ unsigned long size_pfn;
+ mtrr_type type;
+};
+
+struct var_mtrr_range_state __initdata range_state[RANGE_NUM];
+static int __initdata debug_print;
+
+static int __init
+x86_get_mtrr_mem_range(struct res_range *range, int nr_range,
+ unsigned long extra_remove_base,
+ unsigned long extra_remove_size)
+{
+ unsigned long i, base, size;
+ mtrr_type type;
+
+ for (i = 0; i < num_var_ranges; i++) {
+ type = range_state[i].type;
+ if (type != MTRR_TYPE_WRBACK)
+ continue;
+ base = range_state[i].base_pfn;
+ size = range_state[i].size_pfn;
+ nr_range = add_range_with_merge(range, nr_range, base,
+ base + size - 1);
+ }
+ if (debug_print) {
+ printk(KERN_DEBUG "After WB checking\n");
+ for (i = 0; i < nr_range; i++)
+ printk(KERN_DEBUG "MTRR MAP PFN: %016lx - %016lx\n",
+ range[i].start, range[i].end + 1);
+ }
+
+ /* take out UC ranges */
+ for (i = 0; i < num_var_ranges; i++) {
+ type = range_state[i].type;
+ if (type != MTRR_TYPE_UNCACHABLE)
+ continue;
+ size = range_state[i].size_pfn;
+ if (!size)
+ continue;
+ base = range_state[i].base_pfn;
+ subtract_range(range, base, base + size - 1);
+ }
+ if (extra_remove_size)
+ subtract_range(range, extra_remove_base,
+ extra_remove_base + extra_remove_size - 1);
+
+ /* get new range num */
+ nr_range = 0;
+ for (i = 0; i < RANGE_NUM; i++) {
+ if (!range[i].end)
+ continue;
+ nr_range++;
+ }
+ if (debug_print) {
+ printk(KERN_DEBUG "After UC checking\n");
+ for (i = 0; i < nr_range; i++)
+ printk(KERN_DEBUG "MTRR MAP PFN: %016lx - %016lx\n",
+ range[i].start, range[i].end + 1);
+ }
+
+ /* sort the ranges */
+ sort(range, nr_range, sizeof(struct res_range), cmp_range, NULL);
+ if (debug_print) {
+ printk(KERN_DEBUG "After sorting\n");
+ for (i = 0; i < nr_range; i++)
+ printk(KERN_DEBUG "MTRR MAP PFN: %016lx - %016lx\n",
+ range[i].start, range[i].end + 1);
+ }
+
+ /* clear those is not used */
+ for (i = nr_range; i < RANGE_NUM; i++)
+ memset(&range[i], 0, sizeof(range[i]));
+
+ return nr_range;
+}
+
+static struct res_range __initdata range[RANGE_NUM];
+
+#ifdef CONFIG_MTRR_SANITIZER
+
+static unsigned long __init sum_ranges(struct res_range *range, int nr_range)
+{
+ unsigned long sum;
+ int i;
+
+ sum = 0;
+ for (i = 0; i < nr_range; i++)
+ sum += range[i].end + 1 - range[i].start;
+
+ return sum;
+}
+
+static int enable_mtrr_cleanup __initdata =
+ CONFIG_MTRR_SANITIZER_ENABLE_DEFAULT;
+
+static int __init disable_mtrr_cleanup_setup(char *str)
+{
+ if (enable_mtrr_cleanup != -1)
+ enable_mtrr_cleanup = 0;
+ return 0;
+}
+early_param("disable_mtrr_cleanup", disable_mtrr_cleanup_setup);
+
+static int __init enable_mtrr_cleanup_setup(char *str)
+{
+ if (enable_mtrr_cleanup != -1)
+ enable_mtrr_cleanup = 1;
+ return 0;
+}
+early_param("enble_mtrr_cleanup", enable_mtrr_cleanup_setup);
+
+struct var_mtrr_state {
+ unsigned long range_startk;
+ unsigned long range_sizek;
+ unsigned long chunk_sizek;
+ unsigned long gran_sizek;
+ unsigned int reg;
+};
+
+static void __init
+set_var_mtrr(unsigned int reg, unsigned long basek, unsigned long sizek,
+ unsigned char type, unsigned int address_bits)
+{
+ u32 base_lo, base_hi, mask_lo, mask_hi;
+ u64 base, mask;
+
+ if (!sizek) {
+ fill_mtrr_var_range(reg, 0, 0, 0, 0);
+ return;
+ }
+
+ mask = (1ULL << address_bits) - 1;
+ mask &= ~((((u64)sizek) << 10) - 1);
+
+ base = ((u64)basek) << 10;
+
+ base |= type;
+ mask |= 0x800;
+
+ base_lo = base & ((1ULL<<32) - 1);
+ base_hi = base >> 32;
+
+ mask_lo = mask & ((1ULL<<32) - 1);
+ mask_hi = mask >> 32;
+
+ fill_mtrr_var_range(reg, base_lo, base_hi, mask_lo, mask_hi);
+}
+
+static void __init
+save_var_mtrr(unsigned int reg, unsigned long basek, unsigned long sizek,
+ unsigned char type)
+{
+ range_state[reg].base_pfn = basek >> (PAGE_SHIFT - 10);
+ range_state[reg].size_pfn = sizek >> (PAGE_SHIFT - 10);
+ range_state[reg].type = type;
+}
+
+static void __init
+set_var_mtrr_all(unsigned int address_bits)
+{
+ unsigned long basek, sizek;
+ unsigned char type;
+ unsigned int reg;
+
+ for (reg = 0; reg < num_var_ranges; reg++) {
+ basek = range_state[reg].base_pfn << (PAGE_SHIFT - 10);
+ sizek = range_state[reg].size_pfn << (PAGE_SHIFT - 10);
+ type = range_state[reg].type;
+
+ set_var_mtrr(reg, basek, sizek, type, address_bits);
+ }
+}
+
+static unsigned int __init
+range_to_mtrr(unsigned int reg, unsigned long range_startk,
+ unsigned long range_sizek, unsigned char type)
+{
+ if (!range_sizek || (reg >= num_var_ranges))
+ return reg;
+
+ while (range_sizek) {
+ unsigned long max_align, align;
+ unsigned long sizek;
+
+ /* Compute the maximum size I can make a range */
+ if (range_startk)
+ max_align = ffs(range_startk) - 1;
+ else
+ max_align = 32;
+ align = fls(range_sizek) - 1;
+ if (align > max_align)
+ align = max_align;
+
+ sizek = 1 << align;
+ if (debug_print)
+ printk(KERN_DEBUG "Setting variable MTRR %d, "
+ "base: %ldMB, range: %ldMB, type %s\n",
+ reg, range_startk >> 10, sizek >> 10,
+ (type == MTRR_TYPE_UNCACHABLE)?"UC":
+ ((type == MTRR_TYPE_WRBACK)?"WB":"Other")
+ );
+ save_var_mtrr(reg++, range_startk, sizek, type);
+ range_startk += sizek;
+ range_sizek -= sizek;
+ if (reg >= num_var_ranges)
+ break;
+ }
+ return reg;
+}
+
+static unsigned __init
+range_to_mtrr_with_hole(struct var_mtrr_state *state, unsigned long basek,
+ unsigned long sizek)
+{
+ unsigned long hole_basek, hole_sizek;
+ unsigned long second_basek, second_sizek;
+ unsigned long range0_basek, range0_sizek;
+ unsigned long range_basek, range_sizek;
+ unsigned long chunk_sizek;
+ unsigned long gran_sizek;
+
+ hole_basek = 0;
+ hole_sizek = 0;
+ second_basek = 0;
+ second_sizek = 0;
+ chunk_sizek = state->chunk_sizek;
+ gran_sizek = state->gran_sizek;
+
+ /* align with gran size, prevent small block used up MTRRs */
+ range_basek = ALIGN(state->range_startk, gran_sizek);
+ if ((range_basek > basek) && basek)
+ return second_sizek;
+ state->range_sizek -= (range_basek - state->range_startk);
+ range_sizek = ALIGN(state->range_sizek, gran_sizek);
+
+ while (range_sizek > state->range_sizek) {
+ range_sizek -= gran_sizek;
+ if (!range_sizek)
+ return 0;
+ }
+ state->range_sizek = range_sizek;
+
+ /* try to append some small hole */
+ range0_basek = state->range_startk;
+ range0_sizek = ALIGN(state->range_sizek, chunk_sizek);
+ if (range0_sizek == state->range_sizek) {
+ if (debug_print)
+ printk(KERN_DEBUG "rangeX: %016lx - %016lx\n",
+ range0_basek<<10,
+ (range0_basek + state->range_sizek)<<10);
+ state->reg = range_to_mtrr(state->reg, range0_basek,
+ state->range_sizek, MTRR_TYPE_WRBACK);
+ return 0;
+ }
+
+ range0_sizek -= chunk_sizek;
+ if (range0_sizek && sizek) {
+ while (range0_basek + range0_sizek > (basek + sizek)) {
+ range0_sizek -= chunk_sizek;
+ if (!range0_sizek)
+ break;
+ }
+ }
+
+ if (range0_sizek) {
+ if (debug_print)
+ printk(KERN_DEBUG "range0: %016lx - %016lx\n",
+ range0_basek<<10,
+ (range0_basek + range0_sizek)<<10);
+ state->reg = range_to_mtrr(state->reg, range0_basek,
+ range0_sizek, MTRR_TYPE_WRBACK);
+
+ }
+
+ range_basek = range0_basek + range0_sizek;
+ range_sizek = chunk_sizek;
+
+ if (range_basek + range_sizek > basek &&
+ range_basek + range_sizek <= (basek + sizek)) {
+ /* one hole */
+ second_basek = basek;
+ second_sizek = range_basek + range_sizek - basek;
+ }
+
+ /* if last piece, only could one hole near end */
+ if ((second_basek || !basek) &&
+ range_sizek - (state->range_sizek - range0_sizek) - second_sizek <
+ (chunk_sizek >> 1)) {
+ /*
+ * one hole in middle (second_sizek is 0) or at end
+ * (second_sizek is 0 )
+ */
+ hole_sizek = range_sizek - (state->range_sizek - range0_sizek)
+ - second_sizek;
+ hole_basek = range_basek + range_sizek - hole_sizek
+ - second_sizek;
+ } else {
+ /* fallback for big hole, or several holes */
+ range_sizek = state->range_sizek - range0_sizek;
+ second_basek = 0;
+ second_sizek = 0;
+ }
+
+ if (debug_print)
+ printk(KERN_DEBUG "range: %016lx - %016lx\n", range_basek<<10,
+ (range_basek + range_sizek)<<10);
+ state->reg = range_to_mtrr(state->reg, range_basek, range_sizek,
+ MTRR_TYPE_WRBACK);
+ if (hole_sizek) {
+ if (debug_print)
+ printk(KERN_DEBUG "hole: %016lx - %016lx\n",
+ hole_basek<<10, (hole_basek + hole_sizek)<<10);
+ state->reg = range_to_mtrr(state->reg, hole_basek, hole_sizek,
+ MTRR_TYPE_UNCACHABLE);
+
+ }
+
+ return second_sizek;
+}
+
+static void __init
+set_var_mtrr_range(struct var_mtrr_state *state, unsigned long base_pfn,
+ unsigned long size_pfn)
+{
+ unsigned long basek, sizek;
+ unsigned long second_sizek = 0;
+
+ if (state->reg >= num_var_ranges)
+ return;
+
+ basek = base_pfn << (PAGE_SHIFT - 10);
+ sizek = size_pfn << (PAGE_SHIFT - 10);
+
+ /* See if I can merge with the last range */
+ if ((basek <= 1024) ||
+ (state->range_startk + state->range_sizek == basek)) {
+ unsigned long endk = basek + sizek;
+ state->range_sizek = endk - state->range_startk;
+ return;
+ }
+ /* Write the range mtrrs */
+ if (state->range_sizek != 0)
+ second_sizek = range_to_mtrr_with_hole(state, basek, sizek);
+
+ /* Allocate an msr */
+ state->range_startk = basek + second_sizek;
+ state->range_sizek = sizek - second_sizek;
+}
+
+/* mininum size of mtrr block that can take hole */
+static u64 mtrr_chunk_size __initdata = (256ULL<<20);
+
+static int __init parse_mtrr_chunk_size_opt(char *p)
+{
+ if (!p)
+ return -EINVAL;
+ mtrr_chunk_size = memparse(p, &p);
+ return 0;
+}
+early_param("mtrr_chunk_size", parse_mtrr_chunk_size_opt);
+
+/* granity of mtrr of block */
+static u64 mtrr_gran_size __initdata;
+
+static int __init parse_mtrr_gran_size_opt(char *p)
+{
+ if (!p)
+ return -EINVAL;
+ mtrr_gran_size = memparse(p, &p);
+ return 0;
+}
+early_param("mtrr_gran_size", parse_mtrr_gran_size_opt);
+
+static int nr_mtrr_spare_reg __initdata =
+ CONFIG_MTRR_SANITIZER_SPARE_REG_NR_DEFAULT;
+
+static int __init parse_mtrr_spare_reg(char *arg)
+{
+ if (arg)
+ nr_mtrr_spare_reg = simple_strtoul(arg, NULL, 0);
+ return 0;
+}
+
+early_param("mtrr_spare_reg_nr", parse_mtrr_spare_reg);
+
+static int __init
+x86_setup_var_mtrrs(struct res_range *range, int nr_range,
+ u64 chunk_size, u64 gran_size)
+{
+ struct var_mtrr_state var_state;
+ int i;
+ int num_reg;
+
+ var_state.range_startk = 0;
+ var_state.range_sizek = 0;
+ var_state.reg = 0;
+ var_state.chunk_sizek = chunk_size >> 10;
+ var_state.gran_sizek = gran_size >> 10;
+
+ memset(range_state, 0, sizeof(range_state));
+
+ /* Write the range etc */
+ for (i = 0; i < nr_range; i++)
+ set_var_mtrr_range(&var_state, range[i].start,
+ range[i].end - range[i].start + 1);
+
+ /* Write the last range */
+ if (var_state.range_sizek != 0)
+ range_to_mtrr_with_hole(&var_state, 0, 0);
+
+ num_reg = var_state.reg;
+ /* Clear out the extra MTRR's */
+ while (var_state.reg < num_var_ranges) {
+ save_var_mtrr(var_state.reg, 0, 0, 0);
+ var_state.reg++;
+ }
+
+ return num_reg;
+}
+
+struct mtrr_cleanup_result {
+ unsigned long gran_sizek;
+ unsigned long chunk_sizek;
+ unsigned long lose_cover_sizek;
+ unsigned int num_reg;
+ int bad;
+};
+
+/*
+ * gran_size: 1M, 2M, ..., 2G
+ * chunk size: gran_size, ..., 4G
+ * so we need (2+13)*6
+ */
+#define NUM_RESULT 90
+#define PSHIFT (PAGE_SHIFT - 10)
+
+static struct mtrr_cleanup_result __initdata result[NUM_RESULT];
+static struct res_range __initdata range_new[RANGE_NUM];
+static unsigned long __initdata min_loss_pfn[RANGE_NUM];
+
+static int __init mtrr_cleanup(unsigned address_bits)
+{
+ unsigned long extra_remove_base, extra_remove_size;
+ unsigned long i, base, size, def, dummy;
+ mtrr_type type;
+ int nr_range, nr_range_new;
+ u64 chunk_size, gran_size;
+ unsigned long range_sums, range_sums_new;
+ int index_good;
+ int num_reg_good;
+
+ /* extra one for all 0 */
+ int num[MTRR_NUM_TYPES + 1];
+
+ if (!is_cpu(INTEL) || enable_mtrr_cleanup < 1)
+ return 0;
+ rdmsr(MTRRdefType_MSR, def, dummy);
+ def &= 0xff;
+ if (def != MTRR_TYPE_UNCACHABLE)
+ return 0;
+
+ /* get it and store it aside */
+ memset(range_state, 0, sizeof(range_state));
+ for (i = 0; i < num_var_ranges; i++) {
+ mtrr_if->get(i, &base, &size, &type);
+ range_state[i].base_pfn = base;
+ range_state[i].size_pfn = size;
+ range_state[i].type = type;
+ }
+
+ /* check entries number */
+ memset(num, 0, sizeof(num));
+ for (i = 0; i < num_var_ranges; i++) {
+ type = range_state[i].type;
+ size = range_state[i].size_pfn;
+ if (type >= MTRR_NUM_TYPES)
+ continue;
+ if (!size)
+ type = MTRR_NUM_TYPES;
+ num[type]++;
+ }
+
+ /* check if we got UC entries */
+ if (!num[MTRR_TYPE_UNCACHABLE])
+ return 0;
+
+ /* check if we only had WB and UC */
+ if (num[MTRR_TYPE_WRBACK] + num[MTRR_TYPE_UNCACHABLE] !=
+ num_var_ranges - num[MTRR_NUM_TYPES])
+ return 0;
+
+ memset(range, 0, sizeof(range));
+ extra_remove_size = 0;
+ if (mtrr_tom2) {
+ extra_remove_base = 1 << (32 - PAGE_SHIFT);
+ extra_remove_size =
+ (mtrr_tom2 >> PAGE_SHIFT) - extra_remove_base;
+ }
+ nr_range = x86_get_mtrr_mem_range(range, 0, extra_remove_base,
+ extra_remove_size);
+ range_sums = sum_ranges(range, nr_range);
+ printk(KERN_INFO "total RAM coverred: %ldM\n",
+ range_sums >> (20 - PAGE_SHIFT));
+
+ if (mtrr_chunk_size && mtrr_gran_size) {
+ int num_reg;
+
+ debug_print = 1;
+ /* convert ranges to var ranges state */
+ num_reg = x86_setup_var_mtrrs(range, nr_range, mtrr_chunk_size,
+ mtrr_gran_size);
+
+ /* we got new setting in range_state, check it */
+ memset(range_new, 0, sizeof(range_new));
+ nr_range_new = x86_get_mtrr_mem_range(range_new, 0,
+ extra_remove_base,
+ extra_remove_size);
+ range_sums_new = sum_ranges(range_new, nr_range_new);
+
+ i = 0;
+ result[i].chunk_sizek = mtrr_chunk_size >> 10;
+ result[i].gran_sizek = mtrr_gran_size >> 10;
+ result[i].num_reg = num_reg;
+ if (range_sums < range_sums_new) {
+ result[i].lose_cover_sizek =
+ (range_sums_new - range_sums) << PSHIFT;
+ result[i].bad = 1;
+ } else
+ result[i].lose_cover_sizek =
+ (range_sums - range_sums_new) << PSHIFT;
+
+ printk(KERN_INFO "%sgran_size: %ldM \tchunk_size: %ldM \t",
+ result[i].bad?"*BAD*":" ", result[i].gran_sizek >> 10,
+ result[i].chunk_sizek >> 10);
+ printk(KERN_CONT "num_reg: %d \tlose cover RAM: %s%ldM \n",
+ result[i].num_reg, result[i].bad?"-":"",
+ result[i].lose_cover_sizek >> 10);
+ if (!result[i].bad) {
+ set_var_mtrr_all(address_bits);
+ return 1;
+ }
+ printk(KERN_INFO "invalid mtrr_gran_size or mtrr_chunk_size, "
+ "will find optimal one\n");
+ debug_print = 0;
+ memset(result, 0, sizeof(result[0]));
+ }
+
+ i = 0;
+ memset(min_loss_pfn, 0xff, sizeof(min_loss_pfn));
+ memset(result, 0, sizeof(result));
+ for (gran_size = (1ULL<<20); gran_size < (1ULL<<32); gran_size <<= 1) {
+ for (chunk_size = gran_size; chunk_size < (1ULL<<33);
+ chunk_size <<= 1) {
+ int num_reg;
+
+ if (debug_print)
+ printk(KERN_INFO
+ "\ngran_size: %lldM chunk_size_size: %lldM\n",
+ gran_size >> 20, chunk_size >> 20);
+ if (i >= NUM_RESULT)
+ continue;
+
+ /* convert ranges to var ranges state */
+ num_reg = x86_setup_var_mtrrs(range, nr_range,
+ chunk_size, gran_size);
+
+ /* we got new setting in range_state, check it */
+ memset(range_new, 0, sizeof(range_new));
+ nr_range_new = x86_get_mtrr_mem_range(range_new, 0,
+ extra_remove_base, extra_remove_size);
+ range_sums_new = sum_ranges(range_new, nr_range_new);
+
+ result[i].chunk_sizek = chunk_size >> 10;
+ result[i].gran_sizek = gran_size >> 10;
+ result[i].num_reg = num_reg;
+ if (range_sums < range_sums_new) {
+ result[i].lose_cover_sizek =
+ (range_sums_new - range_sums) << PSHIFT;
+ result[i].bad = 1;
+ } else
+ result[i].lose_cover_sizek =
+ (range_sums - range_sums_new) << PSHIFT;
+
+ /* double check it */
+ if (!result[i].bad && !result[i].lose_cover_sizek) {
+ if (nr_range_new != nr_range ||
+ memcmp(range, range_new, sizeof(range)))
+ result[i].bad = 1;
+ }
+
+ if (!result[i].bad && (range_sums - range_sums_new <
+ min_loss_pfn[num_reg])) {
+ min_loss_pfn[num_reg] =
+ range_sums - range_sums_new;
+ }
+ i++;
+ }
+ }
+
+ /* print out all */
+ for (i = 0; i < NUM_RESULT; i++) {
+ printk(KERN_INFO "%sgran_size: %ldM \tchunk_size: %ldM \t",
+ result[i].bad?"*BAD* ":" ", result[i].gran_sizek >> 10,
+ result[i].chunk_sizek >> 10);
+ printk(KERN_CONT "num_reg: %d \tlose RAM: %s%ldM\n",
+ result[i].num_reg, result[i].bad?"-":"",
+ result[i].lose_cover_sizek >> 10);
+ }
+
+ /* try to find the optimal index */
+ if (nr_mtrr_spare_reg >= num_var_ranges)
+ nr_mtrr_spare_reg = num_var_ranges - 1;
+ num_reg_good = -1;
+ for (i = num_var_ranges - nr_mtrr_spare_reg; i > 0; i--) {
+ if (!min_loss_pfn[i]) {
+ num_reg_good = i;
+ break;
+ }
+ }
+
+ index_good = -1;
+ if (num_reg_good != -1) {
+ for (i = 0; i < NUM_RESULT; i++) {
+ if (!result[i].bad &&
+ result[i].num_reg == num_reg_good &&
+ !result[i].lose_cover_sizek) {
+ index_good = i;
+ break;
+ }
+ }
+ }
+
+ if (index_good != -1) {
+ printk(KERN_INFO "Found optimal setting for mtrr clean up\n");
+ i = index_good;
+ printk(KERN_INFO "gran_size: %ldM \tchunk_size: %ldM \t",
+ result[i].gran_sizek >> 10,
+ result[i].chunk_sizek >> 10);
+ printk(KERN_CONT "num_reg: %d \tlose RAM: %ldM\n",
+ result[i].num_reg,
+ result[i].lose_cover_sizek >> 10);
+ /* convert ranges to var ranges state */
+ chunk_size = result[i].chunk_sizek;
+ chunk_size <<= 10;
+ gran_size = result[i].gran_sizek;
+ gran_size <<= 10;
+ debug_print = 1;
+ x86_setup_var_mtrrs(range, nr_range, chunk_size, gran_size);
+ set_var_mtrr_all(address_bits);
+ return 1;
+ }
+
+ printk(KERN_INFO "mtrr_cleanup: can not find optimal value\n");
+ printk(KERN_INFO "please specify mtrr_gran_size/mtrr_chunk_size\n");
+
+ return 0;
+}
+#else
+static int __init mtrr_cleanup(unsigned address_bits)
+{
+ return 0;
+}
+#endif
+
+static int __initdata changed_by_mtrr_cleanup;
+
static int disable_mtrr_trim;
static int __init disable_mtrr_trim_setup(char *str)
@@ -648,6 +1430,19 @@ int __init amd_special_default_mtrr(void)
return 0;
}
+static u64 __init real_trim_memory(unsigned long start_pfn,
+ unsigned long limit_pfn)
+{
+ u64 trim_start, trim_size;
+ trim_start = start_pfn;
+ trim_start <<= PAGE_SHIFT;
+ trim_size = limit_pfn;
+ trim_size <<= PAGE_SHIFT;
+ trim_size -= trim_start;
+
+ return e820_update_range(trim_start, trim_size, E820_RAM,
+ E820_RESERVED);
+}
/**
* mtrr_trim_uncached_memory - trim RAM not covered by MTRRs
* @end_pfn: ending page frame number
@@ -663,8 +1458,11 @@ int __init mtrr_trim_uncached_memory(unsigned long end_pfn)
{
unsigned long i, base, size, highest_pfn = 0, def, dummy;
mtrr_type type;
- u64 trim_start, trim_size;
+ int nr_range;
+ u64 total_trim_size;
+ /* extra one for all 0 */
+ int num[MTRR_NUM_TYPES + 1];
/*
* Make sure we only trim uncachable memory on machines that
* support the Intel MTRR architecture:
@@ -676,14 +1474,22 @@ int __init mtrr_trim_uncached_memory(unsigned long end_pfn)
if (def != MTRR_TYPE_UNCACHABLE)
return 0;
- if (amd_special_default_mtrr())
- return 0;
+ /* get it and store it aside */
+ memset(range_state, 0, sizeof(range_state));
+ for (i = 0; i < num_var_ranges; i++) {
+ mtrr_if->get(i, &base, &size, &type);
+ range_state[i].base_pfn = base;
+ range_state[i].size_pfn = size;
+ range_state[i].type = type;
+ }
/* Find highest cached pfn */
for (i = 0; i < num_var_ranges; i++) {
- mtrr_if->get(i, &base, &size, &type);
+ type = range_state[i].type;
if (type != MTRR_TYPE_WRBACK)
continue;
+ base = range_state[i].base_pfn;
+ size = range_state[i].size_pfn;
if (highest_pfn < base + size)
highest_pfn = base + size;
}
@@ -698,22 +1504,65 @@ int __init mtrr_trim_uncached_memory(unsigned long end_pfn)
return 0;
}
- if (highest_pfn < end_pfn) {
+ /* check entries number */
+ memset(num, 0, sizeof(num));
+ for (i = 0; i < num_var_ranges; i++) {
+ type = range_state[i].type;
+ if (type >= MTRR_NUM_TYPES)
+ continue;
+ size = range_state[i].size_pfn;
+ if (!size)
+ type = MTRR_NUM_TYPES;
+ num[type]++;
+ }
+
+ /* no entry for WB? */
+ if (!num[MTRR_TYPE_WRBACK])
+ return 0;
+
+ /* check if we only had WB and UC */
+ if (num[MTRR_TYPE_WRBACK] + num[MTRR_TYPE_UNCACHABLE] !=
+ num_var_ranges - num[MTRR_NUM_TYPES])
+ return 0;
+
+ memset(range, 0, sizeof(range));
+ nr_range = 0;
+ if (mtrr_tom2) {
+ range[nr_range].start = (1ULL<<(32 - PAGE_SHIFT));
+ range[nr_range].end = (mtrr_tom2 >> PAGE_SHIFT) - 1;
+ if (highest_pfn < range[nr_range].end + 1)
+ highest_pfn = range[nr_range].end + 1;
+ nr_range++;
+ }
+ nr_range = x86_get_mtrr_mem_range(range, nr_range, 0, 0);
+
+ total_trim_size = 0;
+ /* check the head */
+ if (range[0].start)
+ total_trim_size += real_trim_memory(0, range[0].start);
+ /* check the holes */
+ for (i = 0; i < nr_range - 1; i++) {
+ if (range[i].end + 1 < range[i+1].start)
+ total_trim_size += real_trim_memory(range[i].end + 1,
+ range[i+1].start);
+ }
+ /* check the top */
+ i = nr_range - 1;
+ if (range[i].end + 1 < end_pfn)
+ total_trim_size += real_trim_memory(range[i].end + 1,
+ end_pfn);
+
+ if (total_trim_size) {
printk(KERN_WARNING "WARNING: BIOS bug: CPU MTRRs don't cover"
- " all of memory, losing %luMB of RAM.\n",
- (end_pfn - highest_pfn) >> (20 - PAGE_SHIFT));
+ " all of memory, losing %lluMB of RAM.\n",
+ total_trim_size >> 20);
- WARN_ON(1);
+ if (!changed_by_mtrr_cleanup)
+ WARN_ON(1);
printk(KERN_INFO "update e820 for mtrr\n");
- trim_start = highest_pfn;
- trim_start <<= PAGE_SHIFT;
- trim_size = end_pfn;
- trim_size <<= PAGE_SHIFT;
- trim_size -= trim_start;
- update_memory_range(trim_start, trim_size, E820_RAM,
- E820_RESERVED);
update_e820();
+
return 1;
}
@@ -729,18 +1578,21 @@ int __init mtrr_trim_uncached_memory(unsigned long end_pfn)
*/
void __init mtrr_bp_init(void)
{
+ u32 phys_addr;
init_ifs();
+ phys_addr = 32;
+
if (cpu_has_mtrr) {
mtrr_if = &generic_mtrr_ops;
size_or_mask = 0xff000000; /* 36 bits */
size_and_mask = 0x00f00000;
+ phys_addr = 36;
/* This is an AMD specific MSR, but we assume(hope?) that
Intel will implement it to when they extend the address
bus of the Xeon. */
if (cpuid_eax(0x80000000) >= 0x80000008) {
- u32 phys_addr;
phys_addr = cpuid_eax(0x80000008) & 0xff;
/* CPUID workaround for Intel 0F33/0F34 CPU */
if (boot_cpu_data.x86_vendor == X86_VENDOR_INTEL &&
@@ -758,6 +1610,7 @@ void __init mtrr_bp_init(void)
don't support PAE */
size_or_mask = 0xfff00000; /* 32 bits */
size_and_mask = 0;
+ phys_addr = 32;
}
} else {
switch (boot_cpu_data.x86_vendor) {
@@ -791,8 +1644,15 @@ void __init mtrr_bp_init(void)
if (mtrr_if) {
set_num_var_ranges();
init_table();
- if (use_intel())
+ if (use_intel()) {
get_mtrr_state();
+
+ if (mtrr_cleanup(phys_addr)) {
+ changed_by_mtrr_cleanup = 1;
+ mtrr_if->set_all();
+ }
+
+ }
}
}
@@ -822,16 +1682,17 @@ void mtrr_ap_init(void)
*/
void mtrr_save_state(void)
{
- smp_call_function_single(0, mtrr_save_fixed_ranges, NULL, 1, 1);
+ smp_call_function_single(0, mtrr_save_fixed_ranges, NULL, 1);
}
static int __init mtrr_init_finialize(void)
{
if (!mtrr_if)
return 0;
- if (use_intel())
- mtrr_state_warn();
- else {
+ if (use_intel()) {
+ if (!changed_by_mtrr_cleanup)
+ mtrr_state_warn();
+ } else {
/* The CPUs haven't MTRR and seem to not support SMP. They have
* specific drivers, we use a tricky method to support
* suspend/resume for them.
diff --git a/arch/x86/kernel/cpu/mtrr/mtrr.h b/arch/x86/kernel/cpu/mtrr/mtrr.h
index 2cc77eb6fea..2dc4ec656b2 100644
--- a/arch/x86/kernel/cpu/mtrr/mtrr.h
+++ b/arch/x86/kernel/cpu/mtrr/mtrr.h
@@ -81,6 +81,8 @@ void set_mtrr_done(struct set_mtrr_context *ctxt);
void set_mtrr_cache_disable(struct set_mtrr_context *ctxt);
void set_mtrr_prepare_save(struct set_mtrr_context *ctxt);
+void fill_mtrr_var_range(unsigned int index,
+ u32 base_lo, u32 base_hi, u32 mask_lo, u32 mask_hi);
void get_mtrr_state(void);
extern void set_mtrr_ops(struct mtrr_ops * ops);
@@ -92,6 +94,7 @@ extern struct mtrr_ops * mtrr_if;
#define use_intel() (mtrr_if && mtrr_if->use_intel_if == 1)
extern unsigned int num_var_ranges;
+extern u64 mtrr_tom2;
void mtrr_state_warn(void);
const char *mtrr_attrib_to_str(int x);
diff --git a/arch/x86/kernel/cpu/perfctr-watchdog.c b/arch/x86/kernel/cpu/perfctr-watchdog.c
index f9ae93adffe..6d4bdc02388 100644
--- a/arch/x86/kernel/cpu/perfctr-watchdog.c
+++ b/arch/x86/kernel/cpu/perfctr-watchdog.c
@@ -1,11 +1,15 @@
-/* local apic based NMI watchdog for various CPUs.
- This file also handles reservation of performance counters for coordination
- with other users (like oprofile).
-
- Note that these events normally don't tick when the CPU idles. This means
- the frequency varies with CPU load.
-
- Original code for K7/P6 written by Keith Owens */
+/*
+ * local apic based NMI watchdog for various CPUs.
+ *
+ * This file also handles reservation of performance counters for coordination
+ * with other users (like oprofile).
+ *
+ * Note that these events normally don't tick when the CPU idles. This means
+ * the frequency varies with CPU load.
+ *
+ * Original code for K7/P6 written by Keith Owens
+ *
+ */
#include <linux/percpu.h>
#include <linux/module.h>
@@ -36,12 +40,16 @@ struct wd_ops {
static const struct wd_ops *wd_ops;
-/* this number is calculated from Intel's MSR_P4_CRU_ESCR5 register and it's
- * offset from MSR_P4_BSU_ESCR0. It will be the max for all platforms (for now)
+/*
+ * this number is calculated from Intel's MSR_P4_CRU_ESCR5 register and it's
+ * offset from MSR_P4_BSU_ESCR0.
+ *
+ * It will be the max for all platforms (for now)
*/
#define NMI_MAX_COUNTER_BITS 66
-/* perfctr_nmi_owner tracks the ownership of the perfctr registers:
+/*
+ * perfctr_nmi_owner tracks the ownership of the perfctr registers:
* evtsel_nmi_owner tracks the ownership of the event selection
* - different performance counters/ event selection may be reserved for
* different subsystems this reservation system just tries to coordinate
@@ -73,8 +81,10 @@ static inline unsigned int nmi_perfctr_msr_to_bit(unsigned int msr)
return 0;
}
-/* converts an msr to an appropriate reservation bit */
-/* returns the bit offset of the event selection register */
+/*
+ * converts an msr to an appropriate reservation bit
+ * returns the bit offset of the event selection register
+ */
static inline unsigned int nmi_evntsel_msr_to_bit(unsigned int msr)
{
/* returns the bit offset of the event selection register */
@@ -114,6 +124,7 @@ int avail_to_resrv_perfctr_nmi(unsigned int msr)
return (!test_bit(counter, perfctr_nmi_owner));
}
+EXPORT_SYMBOL(avail_to_resrv_perfctr_nmi_bit);
int reserve_perfctr_nmi(unsigned int msr)
{
@@ -128,6 +139,7 @@ int reserve_perfctr_nmi(unsigned int msr)
return 1;
return 0;
}
+EXPORT_SYMBOL(reserve_perfctr_nmi);
void release_perfctr_nmi(unsigned int msr)
{
@@ -140,6 +152,7 @@ void release_perfctr_nmi(unsigned int msr)
clear_bit(counter, perfctr_nmi_owner);
}
+EXPORT_SYMBOL(release_perfctr_nmi);
int reserve_evntsel_nmi(unsigned int msr)
{
@@ -154,6 +167,7 @@ int reserve_evntsel_nmi(unsigned int msr)
return 1;
return 0;
}
+EXPORT_SYMBOL(reserve_evntsel_nmi);
void release_evntsel_nmi(unsigned int msr)
{
@@ -166,11 +180,6 @@ void release_evntsel_nmi(unsigned int msr)
clear_bit(counter, evntsel_nmi_owner);
}
-
-EXPORT_SYMBOL(avail_to_resrv_perfctr_nmi_bit);
-EXPORT_SYMBOL(reserve_perfctr_nmi);
-EXPORT_SYMBOL(release_perfctr_nmi);
-EXPORT_SYMBOL(reserve_evntsel_nmi);
EXPORT_SYMBOL(release_evntsel_nmi);
void disable_lapic_nmi_watchdog(void)
@@ -180,8 +189,10 @@ void disable_lapic_nmi_watchdog(void)
if (atomic_read(&nmi_active) <= 0)
return;
- on_each_cpu(stop_apic_nmi_watchdog, NULL, 0, 1);
- wd_ops->unreserve();
+ on_each_cpu(stop_apic_nmi_watchdog, NULL, 1);
+
+ if (wd_ops)
+ wd_ops->unreserve();
BUG_ON(atomic_read(&nmi_active) != 0);
}
@@ -202,7 +213,7 @@ void enable_lapic_nmi_watchdog(void)
return;
}
- on_each_cpu(setup_apic_nmi_watchdog, NULL, 0, 1);
+ on_each_cpu(setup_apic_nmi_watchdog, NULL, 1);
touch_nmi_watchdog();
}
@@ -232,8 +243,8 @@ static unsigned int adjust_for_32bit_ctr(unsigned int hz)
return retval;
}
-static void
-write_watchdog_counter(unsigned int perfctr_msr, const char *descr, unsigned nmi_hz)
+static void write_watchdog_counter(unsigned int perfctr_msr,
+ const char *descr, unsigned nmi_hz)
{
u64 count = (u64)cpu_khz * 1000;
@@ -244,7 +255,7 @@ write_watchdog_counter(unsigned int perfctr_msr, const char *descr, unsigned nmi
}
static void write_watchdog_counter32(unsigned int perfctr_msr,
- const char *descr, unsigned nmi_hz)
+ const char *descr, unsigned nmi_hz)
{
u64 count = (u64)cpu_khz * 1000;
@@ -254,9 +265,10 @@ static void write_watchdog_counter32(unsigned int perfctr_msr,
wrmsr(perfctr_msr, (u32)(-count), 0);
}
-/* AMD K7/K8/Family10h/Family11h support. AMD keeps this interface
- nicely stable so there is not much variety */
-
+/*
+ * AMD K7/K8/Family10h/Family11h support.
+ * AMD keeps this interface nicely stable so there is not much variety
+ */
#define K7_EVNTSEL_ENABLE (1 << 22)
#define K7_EVNTSEL_INT (1 << 20)
#define K7_EVNTSEL_OS (1 << 17)
@@ -289,7 +301,7 @@ static int setup_k7_watchdog(unsigned nmi_hz)
wd->perfctr_msr = perfctr_msr;
wd->evntsel_msr = evntsel_msr;
- wd->cccr_msr = 0; //unused
+ wd->cccr_msr = 0; /* unused */
return 1;
}
@@ -325,18 +337,19 @@ static void single_msr_rearm(struct nmi_watchdog_ctlblk *wd, unsigned nmi_hz)
}
static const struct wd_ops k7_wd_ops = {
- .reserve = single_msr_reserve,
- .unreserve = single_msr_unreserve,
- .setup = setup_k7_watchdog,
- .rearm = single_msr_rearm,
- .stop = single_msr_stop_watchdog,
- .perfctr = MSR_K7_PERFCTR0,
- .evntsel = MSR_K7_EVNTSEL0,
- .checkbit = 1ULL<<47,
+ .reserve = single_msr_reserve,
+ .unreserve = single_msr_unreserve,
+ .setup = setup_k7_watchdog,
+ .rearm = single_msr_rearm,
+ .stop = single_msr_stop_watchdog,
+ .perfctr = MSR_K7_PERFCTR0,
+ .evntsel = MSR_K7_EVNTSEL0,
+ .checkbit = 1ULL << 47,
};
-/* Intel Model 6 (PPro+,P2,P3,P-M,Core1) */
-
+/*
+ * Intel Model 6 (PPro+,P2,P3,P-M,Core1)
+ */
#define P6_EVNTSEL0_ENABLE (1 << 22)
#define P6_EVNTSEL_INT (1 << 20)
#define P6_EVNTSEL_OS (1 << 17)
@@ -372,52 +385,58 @@ static int setup_p6_watchdog(unsigned nmi_hz)
wd->perfctr_msr = perfctr_msr;
wd->evntsel_msr = evntsel_msr;
- wd->cccr_msr = 0; //unused
+ wd->cccr_msr = 0; /* unused */
return 1;
}
static void p6_rearm(struct nmi_watchdog_ctlblk *wd, unsigned nmi_hz)
{
- /* P6 based Pentium M need to re-unmask
+ /*
+ * P6 based Pentium M need to re-unmask
* the apic vector but it doesn't hurt
* other P6 variant.
- * ArchPerfom/Core Duo also needs this */
+ * ArchPerfom/Core Duo also needs this
+ */
apic_write(APIC_LVTPC, APIC_DM_NMI);
+
/* P6/ARCH_PERFMON has 32 bit counter write */
write_watchdog_counter32(wd->perfctr_msr, NULL,nmi_hz);
}
static const struct wd_ops p6_wd_ops = {
- .reserve = single_msr_reserve,
- .unreserve = single_msr_unreserve,
- .setup = setup_p6_watchdog,
- .rearm = p6_rearm,
- .stop = single_msr_stop_watchdog,
- .perfctr = MSR_P6_PERFCTR0,
- .evntsel = MSR_P6_EVNTSEL0,
- .checkbit = 1ULL<<39,
+ .reserve = single_msr_reserve,
+ .unreserve = single_msr_unreserve,
+ .setup = setup_p6_watchdog,
+ .rearm = p6_rearm,
+ .stop = single_msr_stop_watchdog,
+ .perfctr = MSR_P6_PERFCTR0,
+ .evntsel = MSR_P6_EVNTSEL0,
+ .checkbit = 1ULL << 39,
};
-/* Intel P4 performance counters. By far the most complicated of all. */
-
-#define MSR_P4_MISC_ENABLE_PERF_AVAIL (1<<7)
-#define P4_ESCR_EVENT_SELECT(N) ((N)<<25)
-#define P4_ESCR_OS (1<<3)
-#define P4_ESCR_USR (1<<2)
-#define P4_CCCR_OVF_PMI0 (1<<26)
-#define P4_CCCR_OVF_PMI1 (1<<27)
-#define P4_CCCR_THRESHOLD(N) ((N)<<20)
-#define P4_CCCR_COMPLEMENT (1<<19)
-#define P4_CCCR_COMPARE (1<<18)
-#define P4_CCCR_REQUIRED (3<<16)
-#define P4_CCCR_ESCR_SELECT(N) ((N)<<13)
-#define P4_CCCR_ENABLE (1<<12)
-#define P4_CCCR_OVF (1<<31)
-
-/* Set up IQ_COUNTER0 to behave like a clock, by having IQ_CCCR0 filter
- CRU_ESCR0 (with any non-null event selector) through a complemented
- max threshold. [IA32-Vol3, Section 14.9.9] */
+/*
+ * Intel P4 performance counters.
+ * By far the most complicated of all.
+ */
+#define MSR_P4_MISC_ENABLE_PERF_AVAIL (1 << 7)
+#define P4_ESCR_EVENT_SELECT(N) ((N) << 25)
+#define P4_ESCR_OS (1 << 3)
+#define P4_ESCR_USR (1 << 2)
+#define P4_CCCR_OVF_PMI0 (1 << 26)
+#define P4_CCCR_OVF_PMI1 (1 << 27)
+#define P4_CCCR_THRESHOLD(N) ((N) << 20)
+#define P4_CCCR_COMPLEMENT (1 << 19)
+#define P4_CCCR_COMPARE (1 << 18)
+#define P4_CCCR_REQUIRED (3 << 16)
+#define P4_CCCR_ESCR_SELECT(N) ((N) << 13)
+#define P4_CCCR_ENABLE (1 << 12)
+#define P4_CCCR_OVF (1 << 31)
+/*
+ * Set up IQ_COUNTER0 to behave like a clock, by having IQ_CCCR0 filter
+ * CRU_ESCR0 (with any non-null event selector) through a complemented
+ * max threshold. [IA32-Vol3, Section 14.9.9]
+ */
static int setup_p4_watchdog(unsigned nmi_hz)
{
unsigned int perfctr_msr, evntsel_msr, cccr_msr;
@@ -442,7 +461,8 @@ static int setup_p4_watchdog(unsigned nmi_hz)
#endif
ht_num = 0;
- /* performance counters are shared resources
+ /*
+ * performance counters are shared resources
* assign each hyperthread its own set
* (re-use the ESCR0 register, seems safe
* and keeps the cccr_val the same)
@@ -540,20 +560,21 @@ static void p4_rearm(struct nmi_watchdog_ctlblk *wd, unsigned nmi_hz)
}
static const struct wd_ops p4_wd_ops = {
- .reserve = p4_reserve,
- .unreserve = p4_unreserve,
- .setup = setup_p4_watchdog,
- .rearm = p4_rearm,
- .stop = stop_p4_watchdog,
+ .reserve = p4_reserve,
+ .unreserve = p4_unreserve,
+ .setup = setup_p4_watchdog,
+ .rearm = p4_rearm,
+ .stop = stop_p4_watchdog,
/* RED-PEN this is wrong for the other sibling */
- .perfctr = MSR_P4_BPU_PERFCTR0,
- .evntsel = MSR_P4_BSU_ESCR0,
- .checkbit = 1ULL<<39,
+ .perfctr = MSR_P4_BPU_PERFCTR0,
+ .evntsel = MSR_P4_BSU_ESCR0,
+ .checkbit = 1ULL << 39,
};
-/* Watchdog using the Intel architected PerfMon. Used for Core2 and hopefully
- all future Intel CPUs. */
-
+/*
+ * Watchdog using the Intel architected PerfMon.
+ * Used for Core2 and hopefully all future Intel CPUs.
+ */
#define ARCH_PERFMON_NMI_EVENT_SEL ARCH_PERFMON_UNHALTED_CORE_CYCLES_SEL
#define ARCH_PERFMON_NMI_EVENT_UMASK ARCH_PERFMON_UNHALTED_CORE_CYCLES_UMASK
@@ -599,19 +620,19 @@ static int setup_intel_arch_watchdog(unsigned nmi_hz)
wd->perfctr_msr = perfctr_msr;
wd->evntsel_msr = evntsel_msr;
- wd->cccr_msr = 0; //unused
+ wd->cccr_msr = 0; /* unused */
intel_arch_wd_ops.checkbit = 1ULL << (eax.split.bit_width - 1);
return 1;
}
static struct wd_ops intel_arch_wd_ops __read_mostly = {
- .reserve = single_msr_reserve,
- .unreserve = single_msr_unreserve,
- .setup = setup_intel_arch_watchdog,
- .rearm = p6_rearm,
- .stop = single_msr_stop_watchdog,
- .perfctr = MSR_ARCH_PERFMON_PERFCTR1,
- .evntsel = MSR_ARCH_PERFMON_EVENTSEL1,
+ .reserve = single_msr_reserve,
+ .unreserve = single_msr_unreserve,
+ .setup = setup_intel_arch_watchdog,
+ .rearm = p6_rearm,
+ .stop = single_msr_stop_watchdog,
+ .perfctr = MSR_ARCH_PERFMON_PERFCTR1,
+ .evntsel = MSR_ARCH_PERFMON_EVENTSEL1,
};
static void probe_nmi_watchdog(void)
@@ -624,8 +645,10 @@ static void probe_nmi_watchdog(void)
wd_ops = &k7_wd_ops;
break;
case X86_VENDOR_INTEL:
- /* Work around Core Duo (Yonah) errata AE49 where perfctr1
- doesn't have a working enable bit. */
+ /*
+ * Work around Core Duo (Yonah) errata AE49 where perfctr1
+ * doesn't have a working enable bit.
+ */
if (boot_cpu_data.x86 == 6 && boot_cpu_data.x86_model == 14) {
intel_arch_wd_ops.perfctr = MSR_ARCH_PERFMON_PERFCTR0;
intel_arch_wd_ops.evntsel = MSR_ARCH_PERFMON_EVENTSEL0;
@@ -636,7 +659,7 @@ static void probe_nmi_watchdog(void)
}
switch (boot_cpu_data.x86) {
case 6:
- if (boot_cpu_data.x86_model > 0xd)
+ if (boot_cpu_data.x86_model > 13)
return;
wd_ops = &p6_wd_ops;
@@ -697,10 +720,11 @@ int lapic_wd_event(unsigned nmi_hz)
{
struct nmi_watchdog_ctlblk *wd = &__get_cpu_var(nmi_watchdog_ctlblk);
u64 ctr;
+
rdmsrl(wd->perfctr_msr, ctr);
- if (ctr & wd_ops->checkbit) { /* perfctr still running? */
+ if (ctr & wd_ops->checkbit) /* perfctr still running? */
return 0;
- }
+
wd_ops->rearm(wd, nmi_hz);
return 1;
}
diff --git a/arch/x86/kernel/cpuid.c b/arch/x86/kernel/cpuid.c
index daff52a6224..2de5fa2bbf7 100644
--- a/arch/x86/kernel/cpuid.c
+++ b/arch/x86/kernel/cpuid.c
@@ -33,6 +33,7 @@
#include <linux/init.h>
#include <linux/poll.h>
#include <linux/smp.h>
+#include <linux/smp_lock.h>
#include <linux/major.h>
#include <linux/fs.h>
#include <linux/smp_lock.h>
@@ -95,7 +96,7 @@ static ssize_t cpuid_read(struct file *file, char __user *buf,
for (; count; count -= 16) {
cmd.eax = pos;
cmd.ecx = pos >> 32;
- smp_call_function_single(cpu, cpuid_smp_cpuid, &cmd, 1, 1);
+ smp_call_function_single(cpu, cpuid_smp_cpuid, &cmd, 1);
if (copy_to_user(tmp, &cmd, 16))
return -EFAULT;
tmp += 16;
@@ -107,15 +108,23 @@ static ssize_t cpuid_read(struct file *file, char __user *buf,
static int cpuid_open(struct inode *inode, struct file *file)
{
- unsigned int cpu = iminor(file->f_path.dentry->d_inode);
- struct cpuinfo_x86 *c = &cpu_data(cpu);
-
- if (cpu >= NR_CPUS || !cpu_online(cpu))
- return -ENXIO; /* No such CPU */
+ unsigned int cpu;
+ struct cpuinfo_x86 *c;
+ int ret = 0;
+
+ lock_kernel();
+
+ cpu = iminor(file->f_path.dentry->d_inode);
+ if (cpu >= NR_CPUS || !cpu_online(cpu)) {
+ ret = -ENXIO; /* No such CPU */
+ goto out;
+ }
+ c = &cpu_data(cpu);
if (c->cpuid_level < 0)
- return -EIO; /* CPUID not supported */
-
- return 0;
+ ret = -EIO; /* CPUID not supported */
+out:
+ unlock_kernel();
+ return ret;
}
/*
diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c
new file mode 100644
index 00000000000..28c29180b38
--- /dev/null
+++ b/arch/x86/kernel/e820.c
@@ -0,0 +1,1390 @@
+/*
+ * Handle the memory map.
+ * The functions here do the job until bootmem takes over.
+ *
+ * Getting sanitize_e820_map() in sync with i386 version by applying change:
+ * - Provisions for empty E820 memory regions (reported by certain BIOSes).
+ * Alex Achenbach <xela@slit.de>, December 2002.
+ * Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
+ *
+ */
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/bootmem.h>
+#include <linux/ioport.h>
+#include <linux/string.h>
+#include <linux/kexec.h>
+#include <linux/module.h>
+#include <linux/mm.h>
+#include <linux/pfn.h>
+#include <linux/suspend.h>
+#include <linux/firmware-map.h>
+
+#include <asm/pgtable.h>
+#include <asm/page.h>
+#include <asm/e820.h>
+#include <asm/proto.h>
+#include <asm/setup.h>
+#include <asm/trampoline.h>
+
+/*
+ * The e820 map is the map that gets modified e.g. with command line parameters
+ * and that is also registered with modifications in the kernel resource tree
+ * with the iomem_resource as parent.
+ *
+ * The e820_saved is directly saved after the BIOS-provided memory map is
+ * copied. It doesn't get modified afterwards. It's registered for the
+ * /sys/firmware/memmap interface.
+ *
+ * That memory map is not modified and is used as base for kexec. The kexec'd
+ * kernel should get the same memory map as the firmware provides. Then the
+ * user can e.g. boot the original kernel with mem=1G while still booting the
+ * next kernel with full memory.
+ */
+struct e820map e820;
+struct e820map e820_saved;
+
+/* For PCI or other memory-mapped resources */
+unsigned long pci_mem_start = 0xaeedbabe;
+#ifdef CONFIG_PCI
+EXPORT_SYMBOL(pci_mem_start);
+#endif
+
+/*
+ * This function checks if any part of the range <start,end> is mapped
+ * with type.
+ */
+int
+e820_any_mapped(u64 start, u64 end, unsigned type)
+{
+ int i;
+
+ for (i = 0; i < e820.nr_map; i++) {
+ struct e820entry *ei = &e820.map[i];
+
+ if (type && ei->type != type)
+ continue;
+ if (ei->addr >= end || ei->addr + ei->size <= start)
+ continue;
+ return 1;
+ }
+ return 0;
+}
+EXPORT_SYMBOL_GPL(e820_any_mapped);
+
+/*
+ * This function checks if the entire range <start,end> is mapped with type.
+ *
+ * Note: this function only works correct if the e820 table is sorted and
+ * not-overlapping, which is the case
+ */
+int __init e820_all_mapped(u64 start, u64 end, unsigned type)
+{
+ int i;
+
+ for (i = 0; i < e820.nr_map; i++) {
+ struct e820entry *ei = &e820.map[i];
+
+ if (type && ei->type != type)
+ continue;
+ /* is the region (part) in overlap with the current region ?*/
+ if (ei->addr >= end || ei->addr + ei->size <= start)
+ continue;
+
+ /* if the region is at the beginning of <start,end> we move
+ * start to the end of the region since it's ok until there
+ */
+ if (ei->addr <= start)
+ start = ei->addr + ei->size;
+ /*
+ * if start is now at or beyond end, we're done, full
+ * coverage
+ */
+ if (start >= end)
+ return 1;
+ }
+ return 0;
+}
+
+/*
+ * Add a memory region to the kernel e820 map.
+ */
+void __init e820_add_region(u64 start, u64 size, int type)
+{
+ int x = e820.nr_map;
+
+ if (x == ARRAY_SIZE(e820.map)) {
+ printk(KERN_ERR "Ooops! Too many entries in the memory map!\n");
+ return;
+ }
+
+ e820.map[x].addr = start;
+ e820.map[x].size = size;
+ e820.map[x].type = type;
+ e820.nr_map++;
+}
+
+void __init e820_print_map(char *who)
+{
+ int i;
+
+ for (i = 0; i < e820.nr_map; i++) {
+ printk(KERN_INFO " %s: %016Lx - %016Lx ", who,
+ (unsigned long long) e820.map[i].addr,
+ (unsigned long long)
+ (e820.map[i].addr + e820.map[i].size));
+ switch (e820.map[i].type) {
+ case E820_RAM:
+ case E820_RESERVED_KERN:
+ printk(KERN_CONT "(usable)\n");
+ break;
+ case E820_RESERVED:
+ printk(KERN_CONT "(reserved)\n");
+ break;
+ case E820_ACPI:
+ printk(KERN_CONT "(ACPI data)\n");
+ break;
+ case E820_NVS:
+ printk(KERN_CONT "(ACPI NVS)\n");
+ break;
+ default:
+ printk(KERN_CONT "type %u\n", e820.map[i].type);
+ break;
+ }
+ }
+}
+
+/*
+ * Sanitize the BIOS e820 map.
+ *
+ * Some e820 responses include overlapping entries. The following
+ * replaces the original e820 map with a new one, removing overlaps,
+ * and resolving conflicting memory types in favor of highest
+ * numbered type.
+ *
+ * The input parameter biosmap points to an array of 'struct
+ * e820entry' which on entry has elements in the range [0, *pnr_map)
+ * valid, and which has space for up to max_nr_map entries.
+ * On return, the resulting sanitized e820 map entries will be in
+ * overwritten in the same location, starting at biosmap.
+ *
+ * The integer pointed to by pnr_map must be valid on entry (the
+ * current number of valid entries located at biosmap) and will
+ * be updated on return, with the new number of valid entries
+ * (something no more than max_nr_map.)
+ *
+ * The return value from sanitize_e820_map() is zero if it
+ * successfully 'sanitized' the map entries passed in, and is -1
+ * if it did nothing, which can happen if either of (1) it was
+ * only passed one map entry, or (2) any of the input map entries
+ * were invalid (start + size < start, meaning that the size was
+ * so big the described memory range wrapped around through zero.)
+ *
+ * Visually we're performing the following
+ * (1,2,3,4 = memory types)...
+ *
+ * Sample memory map (w/overlaps):
+ * ____22__________________
+ * ______________________4_
+ * ____1111________________
+ * _44_____________________
+ * 11111111________________
+ * ____________________33__
+ * ___________44___________
+ * __________33333_________
+ * ______________22________
+ * ___________________2222_
+ * _________111111111______
+ * _____________________11_
+ * _________________4______
+ *
+ * Sanitized equivalent (no overlap):
+ * 1_______________________
+ * _44_____________________
+ * ___1____________________
+ * ____22__________________
+ * ______11________________
+ * _________1______________
+ * __________3_____________
+ * ___________44___________
+ * _____________33_________
+ * _______________2________
+ * ________________1_______
+ * _________________4______
+ * ___________________2____
+ * ____________________33__
+ * ______________________4_
+ */
+
+int __init sanitize_e820_map(struct e820entry *biosmap, int max_nr_map,
+ int *pnr_map)
+{
+ struct change_member {
+ struct e820entry *pbios; /* pointer to original bios entry */
+ unsigned long long addr; /* address for this change point */
+ };
+ static struct change_member change_point_list[2*E820_X_MAX] __initdata;
+ static struct change_member *change_point[2*E820_X_MAX] __initdata;
+ static struct e820entry *overlap_list[E820_X_MAX] __initdata;
+ static struct e820entry new_bios[E820_X_MAX] __initdata;
+ struct change_member *change_tmp;
+ unsigned long current_type, last_type;
+ unsigned long long last_addr;
+ int chgidx, still_changing;
+ int overlap_entries;
+ int new_bios_entry;
+ int old_nr, new_nr, chg_nr;
+ int i;
+
+ /* if there's only one memory region, don't bother */
+ if (*pnr_map < 2)
+ return -1;
+
+ old_nr = *pnr_map;
+ BUG_ON(old_nr > max_nr_map);
+
+ /* bail out if we find any unreasonable addresses in bios map */
+ for (i = 0; i < old_nr; i++)
+ if (biosmap[i].addr + biosmap[i].size < biosmap[i].addr)
+ return -1;
+
+ /* create pointers for initial change-point information (for sorting) */
+ for (i = 0; i < 2 * old_nr; i++)
+ change_point[i] = &change_point_list[i];
+
+ /* record all known change-points (starting and ending addresses),
+ omitting those that are for empty memory regions */
+ chgidx = 0;
+ for (i = 0; i < old_nr; i++) {
+ if (biosmap[i].size != 0) {
+ change_point[chgidx]->addr = biosmap[i].addr;
+ change_point[chgidx++]->pbios = &biosmap[i];
+ change_point[chgidx]->addr = biosmap[i].addr +
+ biosmap[i].size;
+ change_point[chgidx++]->pbios = &biosmap[i];
+ }
+ }
+ chg_nr = chgidx;
+
+ /* sort change-point list by memory addresses (low -> high) */
+ still_changing = 1;
+ while (still_changing) {
+ still_changing = 0;
+ for (i = 1; i < chg_nr; i++) {
+ unsigned long long curaddr, lastaddr;
+ unsigned long long curpbaddr, lastpbaddr;
+
+ curaddr = change_point[i]->addr;
+ lastaddr = change_point[i - 1]->addr;
+ curpbaddr = change_point[i]->pbios->addr;
+ lastpbaddr = change_point[i - 1]->pbios->addr;
+
+ /*
+ * swap entries, when:
+ *
+ * curaddr > lastaddr or
+ * curaddr == lastaddr and curaddr == curpbaddr and
+ * lastaddr != lastpbaddr
+ */
+ if (curaddr < lastaddr ||
+ (curaddr == lastaddr && curaddr == curpbaddr &&
+ lastaddr != lastpbaddr)) {
+ change_tmp = change_point[i];
+ change_point[i] = change_point[i-1];
+ change_point[i-1] = change_tmp;
+ still_changing = 1;
+ }
+ }
+ }
+
+ /* create a new bios memory map, removing overlaps */
+ overlap_entries = 0; /* number of entries in the overlap table */
+ new_bios_entry = 0; /* index for creating new bios map entries */
+ last_type = 0; /* start with undefined memory type */
+ last_addr = 0; /* start with 0 as last starting address */
+
+ /* loop through change-points, determining affect on the new bios map */
+ for (chgidx = 0; chgidx < chg_nr; chgidx++) {
+ /* keep track of all overlapping bios entries */
+ if (change_point[chgidx]->addr ==
+ change_point[chgidx]->pbios->addr) {
+ /*
+ * add map entry to overlap list (> 1 entry
+ * implies an overlap)
+ */
+ overlap_list[overlap_entries++] =
+ change_point[chgidx]->pbios;
+ } else {
+ /*
+ * remove entry from list (order independent,
+ * so swap with last)
+ */
+ for (i = 0; i < overlap_entries; i++) {
+ if (overlap_list[i] ==
+ change_point[chgidx]->pbios)
+ overlap_list[i] =
+ overlap_list[overlap_entries-1];
+ }
+ overlap_entries--;
+ }
+ /*
+ * if there are overlapping entries, decide which
+ * "type" to use (larger value takes precedence --
+ * 1=usable, 2,3,4,4+=unusable)
+ */
+ current_type = 0;
+ for (i = 0; i < overlap_entries; i++)
+ if (overlap_list[i]->type > current_type)
+ current_type = overlap_list[i]->type;
+ /*
+ * continue building up new bios map based on this
+ * information
+ */
+ if (current_type != last_type) {
+ if (last_type != 0) {
+ new_bios[new_bios_entry].size =
+ change_point[chgidx]->addr - last_addr;
+ /*
+ * move forward only if the new size
+ * was non-zero
+ */
+ if (new_bios[new_bios_entry].size != 0)
+ /*
+ * no more space left for new
+ * bios entries ?
+ */
+ if (++new_bios_entry >= max_nr_map)
+ break;
+ }
+ if (current_type != 0) {
+ new_bios[new_bios_entry].addr =
+ change_point[chgidx]->addr;
+ new_bios[new_bios_entry].type = current_type;
+ last_addr = change_point[chgidx]->addr;
+ }
+ last_type = current_type;
+ }
+ }
+ /* retain count for new bios entries */
+ new_nr = new_bios_entry;
+
+ /* copy new bios mapping into original location */
+ memcpy(biosmap, new_bios, new_nr * sizeof(struct e820entry));
+ *pnr_map = new_nr;
+
+ return 0;
+}
+
+static int __init __append_e820_map(struct e820entry *biosmap, int nr_map)
+{
+ while (nr_map) {
+ u64 start = biosmap->addr;
+ u64 size = biosmap->size;
+ u64 end = start + size;
+ u32 type = biosmap->type;
+
+ /* Overflow in 64 bits? Ignore the memory map. */
+ if (start > end)
+ return -1;
+
+ e820_add_region(start, size, type);
+
+ biosmap++;
+ nr_map--;
+ }
+ return 0;
+}
+
+/*
+ * Copy the BIOS e820 map into a safe place.
+ *
+ * Sanity-check it while we're at it..
+ *
+ * If we're lucky and live on a modern system, the setup code
+ * will have given us a memory map that we can use to properly
+ * set up memory. If we aren't, we'll fake a memory map.
+ */
+static int __init append_e820_map(struct e820entry *biosmap, int nr_map)
+{
+ /* Only one memory region (or negative)? Ignore it */
+ if (nr_map < 2)
+ return -1;
+
+ return __append_e820_map(biosmap, nr_map);
+}
+
+static u64 __init e820_update_range_map(struct e820map *e820x, u64 start,
+ u64 size, unsigned old_type,
+ unsigned new_type)
+{
+ int i;
+ u64 real_updated_size = 0;
+
+ BUG_ON(old_type == new_type);
+
+ if (size > (ULLONG_MAX - start))
+ size = ULLONG_MAX - start;
+
+ for (i = 0; i < e820.nr_map; i++) {
+ struct e820entry *ei = &e820x->map[i];
+ u64 final_start, final_end;
+ if (ei->type != old_type)
+ continue;
+ /* totally covered? */
+ if (ei->addr >= start &&
+ (ei->addr + ei->size) <= (start + size)) {
+ ei->type = new_type;
+ real_updated_size += ei->size;
+ continue;
+ }
+ /* partially covered */
+ final_start = max(start, ei->addr);
+ final_end = min(start + size, ei->addr + ei->size);
+ if (final_start >= final_end)
+ continue;
+ e820_add_region(final_start, final_end - final_start,
+ new_type);
+ real_updated_size += final_end - final_start;
+
+ ei->size -= final_end - final_start;
+ if (ei->addr < final_start)
+ continue;
+ ei->addr = final_end;
+ }
+ return real_updated_size;
+}
+
+u64 __init e820_update_range(u64 start, u64 size, unsigned old_type,
+ unsigned new_type)
+{
+ return e820_update_range_map(&e820, start, size, old_type, new_type);
+}
+
+static u64 __init e820_update_range_saved(u64 start, u64 size,
+ unsigned old_type, unsigned new_type)
+{
+ return e820_update_range_map(&e820_saved, start, size, old_type,
+ new_type);
+}
+
+/* make e820 not cover the range */
+u64 __init e820_remove_range(u64 start, u64 size, unsigned old_type,
+ int checktype)
+{
+ int i;
+ u64 real_removed_size = 0;
+
+ if (size > (ULLONG_MAX - start))
+ size = ULLONG_MAX - start;
+
+ for (i = 0; i < e820.nr_map; i++) {
+ struct e820entry *ei = &e820.map[i];
+ u64 final_start, final_end;
+
+ if (checktype && ei->type != old_type)
+ continue;
+ /* totally covered? */
+ if (ei->addr >= start &&
+ (ei->addr + ei->size) <= (start + size)) {
+ real_removed_size += ei->size;
+ memset(ei, 0, sizeof(struct e820entry));
+ continue;
+ }
+ /* partially covered */
+ final_start = max(start, ei->addr);
+ final_end = min(start + size, ei->addr + ei->size);
+ if (final_start >= final_end)
+ continue;
+ real_removed_size += final_end - final_start;
+
+ ei->size -= final_end - final_start;
+ if (ei->addr < final_start)
+ continue;
+ ei->addr = final_end;
+ }
+ return real_removed_size;
+}
+
+void __init update_e820(void)
+{
+ int nr_map;
+
+ nr_map = e820.nr_map;
+ if (sanitize_e820_map(e820.map, ARRAY_SIZE(e820.map), &nr_map))
+ return;
+ e820.nr_map = nr_map;
+ printk(KERN_INFO "modified physical RAM map:\n");
+ e820_print_map("modified");
+}
+static void __init update_e820_saved(void)
+{
+ int nr_map;
+
+ nr_map = e820_saved.nr_map;
+ if (sanitize_e820_map(e820_saved.map, ARRAY_SIZE(e820_saved.map), &nr_map))
+ return;
+ e820_saved.nr_map = nr_map;
+}
+#define MAX_GAP_END 0x100000000ull
+/*
+ * Search for a gap in the e820 memory space from start_addr to end_addr.
+ */
+__init int e820_search_gap(unsigned long *gapstart, unsigned long *gapsize,
+ unsigned long start_addr, unsigned long long end_addr)
+{
+ unsigned long long last;
+ int i = e820.nr_map;
+ int found = 0;
+
+ last = (end_addr && end_addr < MAX_GAP_END) ? end_addr : MAX_GAP_END;
+
+ while (--i >= 0) {
+ unsigned long long start = e820.map[i].addr;
+ unsigned long long end = start + e820.map[i].size;
+
+ if (end < start_addr)
+ continue;
+
+ /*
+ * Since "last" is at most 4GB, we know we'll
+ * fit in 32 bits if this condition is true
+ */
+ if (last > end) {
+ unsigned long gap = last - end;
+
+ if (gap >= *gapsize) {
+ *gapsize = gap;
+ *gapstart = end;
+ found = 1;
+ }
+ }
+ if (start < last)
+ last = start;
+ }
+ return found;
+}
+
+/*
+ * Search for the biggest gap in the low 32 bits of the e820
+ * memory space. We pass this space to PCI to assign MMIO resources
+ * for hotplug or unconfigured devices in.
+ * Hopefully the BIOS let enough space left.
+ */
+__init void e820_setup_gap(void)
+{
+ unsigned long gapstart, gapsize, round;
+ int found;
+
+ gapstart = 0x10000000;
+ gapsize = 0x400000;
+ found = e820_search_gap(&gapstart, &gapsize, 0, MAX_GAP_END);
+
+#ifdef CONFIG_X86_64
+ if (!found) {
+ gapstart = (max_pfn << PAGE_SHIFT) + 1024*1024;
+ printk(KERN_ERR "PCI: Warning: Cannot find a gap in the 32bit "
+ "address range\n"
+ KERN_ERR "PCI: Unassigned devices with 32bit resource "
+ "registers may break!\n");
+ }
+#endif
+
+ /*
+ * See how much we want to round up: start off with
+ * rounding to the next 1MB area.
+ */
+ round = 0x100000;
+ while ((gapsize >> 4) > round)
+ round += round;
+ /* Fun with two's complement */
+ pci_mem_start = (gapstart + round) & -round;
+
+ printk(KERN_INFO
+ "Allocating PCI resources starting at %lx (gap: %lx:%lx)\n",
+ pci_mem_start, gapstart, gapsize);
+}
+
+/**
+ * Because of the size limitation of struct boot_params, only first
+ * 128 E820 memory entries are passed to kernel via
+ * boot_params.e820_map, others are passed via SETUP_E820_EXT node of
+ * linked list of struct setup_data, which is parsed here.
+ */
+void __init parse_e820_ext(struct setup_data *sdata, unsigned long pa_data)
+{
+ u32 map_len;
+ int entries;
+ struct e820entry *extmap;
+
+ entries = sdata->len / sizeof(struct e820entry);
+ map_len = sdata->len + sizeof(struct setup_data);
+ if (map_len > PAGE_SIZE)
+ sdata = early_ioremap(pa_data, map_len);
+ extmap = (struct e820entry *)(sdata->data);
+ __append_e820_map(extmap, entries);
+ sanitize_e820_map(e820.map, ARRAY_SIZE(e820.map), &e820.nr_map);
+ if (map_len > PAGE_SIZE)
+ early_iounmap(sdata, map_len);
+ printk(KERN_INFO "extended physical RAM map:\n");
+ e820_print_map("extended");
+}
+
+#if defined(CONFIG_X86_64) || \
+ (defined(CONFIG_X86_32) && defined(CONFIG_HIBERNATION))
+/**
+ * Find the ranges of physical addresses that do not correspond to
+ * e820 RAM areas and mark the corresponding pages as nosave for
+ * hibernation (32 bit) or software suspend and suspend to RAM (64 bit).
+ *
+ * This function requires the e820 map to be sorted and without any
+ * overlapping entries and assumes the first e820 area to be RAM.
+ */
+void __init e820_mark_nosave_regions(unsigned long limit_pfn)
+{
+ int i;
+ unsigned long pfn;
+
+ pfn = PFN_DOWN(e820.map[0].addr + e820.map[0].size);
+ for (i = 1; i < e820.nr_map; i++) {
+ struct e820entry *ei = &e820.map[i];
+
+ if (pfn < PFN_UP(ei->addr))
+ register_nosave_region(pfn, PFN_UP(ei->addr));
+
+ pfn = PFN_DOWN(ei->addr + ei->size);
+ if (ei->type != E820_RAM && ei->type != E820_RESERVED_KERN)
+ register_nosave_region(PFN_UP(ei->addr), pfn);
+
+ if (pfn >= limit_pfn)
+ break;
+ }
+}
+#endif
+
+/*
+ * Early reserved memory areas.
+ */
+#define MAX_EARLY_RES 20
+
+struct early_res {
+ u64 start, end;
+ char name[16];
+ char overlap_ok;
+};
+static struct early_res early_res[MAX_EARLY_RES] __initdata = {
+ { 0, PAGE_SIZE, "BIOS data page" }, /* BIOS data page */
+#if defined(CONFIG_X86_64) && defined(CONFIG_X86_TRAMPOLINE)
+ { TRAMPOLINE_BASE, TRAMPOLINE_BASE + 2 * PAGE_SIZE, "TRAMPOLINE" },
+#endif
+#if defined(CONFIG_X86_32) && defined(CONFIG_SMP)
+ /*
+ * But first pinch a few for the stack/trampoline stuff
+ * FIXME: Don't need the extra page at 4K, but need to fix
+ * trampoline before removing it. (see the GDT stuff)
+ */
+ { PAGE_SIZE, PAGE_SIZE + PAGE_SIZE, "EX TRAMPOLINE" },
+ /*
+ * Has to be in very low memory so we can execute
+ * real-mode AP code.
+ */
+ { TRAMPOLINE_BASE, TRAMPOLINE_BASE + PAGE_SIZE, "TRAMPOLINE" },
+#endif
+ {}
+};
+
+static int __init find_overlapped_early(u64 start, u64 end)
+{
+ int i;
+ struct early_res *r;
+
+ for (i = 0; i < MAX_EARLY_RES && early_res[i].end; i++) {
+ r = &early_res[i];
+ if (end > r->start && start < r->end)
+ break;
+ }
+
+ return i;
+}
+
+/*
+ * Drop the i-th range from the early reservation map,
+ * by copying any higher ranges down one over it, and
+ * clearing what had been the last slot.
+ */
+static void __init drop_range(int i)
+{
+ int j;
+
+ for (j = i + 1; j < MAX_EARLY_RES && early_res[j].end; j++)
+ ;
+
+ memmove(&early_res[i], &early_res[i + 1],
+ (j - 1 - i) * sizeof(struct early_res));
+
+ early_res[j - 1].end = 0;
+}
+
+/*
+ * Split any existing ranges that:
+ * 1) are marked 'overlap_ok', and
+ * 2) overlap with the stated range [start, end)
+ * into whatever portion (if any) of the existing range is entirely
+ * below or entirely above the stated range. Drop the portion
+ * of the existing range that overlaps with the stated range,
+ * which will allow the caller of this routine to then add that
+ * stated range without conflicting with any existing range.
+ */
+static void __init drop_overlaps_that_are_ok(u64 start, u64 end)
+{
+ int i;
+ struct early_res *r;
+ u64 lower_start, lower_end;
+ u64 upper_start, upper_end;
+ char name[16];
+
+ for (i = 0; i < MAX_EARLY_RES && early_res[i].end; i++) {
+ r = &early_res[i];
+
+ /* Continue past non-overlapping ranges */
+ if (end <= r->start || start >= r->end)
+ continue;
+
+ /*
+ * Leave non-ok overlaps as is; let caller
+ * panic "Overlapping early reservations"
+ * when it hits this overlap.
+ */
+ if (!r->overlap_ok)
+ return;
+
+ /*
+ * We have an ok overlap. We will drop it from the early
+ * reservation map, and add back in any non-overlapping
+ * portions (lower or upper) as separate, overlap_ok,
+ * non-overlapping ranges.
+ */
+
+ /* 1. Note any non-overlapping (lower or upper) ranges. */
+ strncpy(name, r->name, sizeof(name) - 1);
+
+ lower_start = lower_end = 0;
+ upper_start = upper_end = 0;
+ if (r->start < start) {
+ lower_start = r->start;
+ lower_end = start;
+ }
+ if (r->end > end) {
+ upper_start = end;
+ upper_end = r->end;
+ }
+
+ /* 2. Drop the original ok overlapping range */
+ drop_range(i);
+
+ i--; /* resume for-loop on copied down entry */
+
+ /* 3. Add back in any non-overlapping ranges. */
+ if (lower_end)
+ reserve_early_overlap_ok(lower_start, lower_end, name);
+ if (upper_end)
+ reserve_early_overlap_ok(upper_start, upper_end, name);
+ }
+}
+
+static void __init __reserve_early(u64 start, u64 end, char *name,
+ int overlap_ok)
+{
+ int i;
+ struct early_res *r;
+
+ i = find_overlapped_early(start, end);
+ if (i >= MAX_EARLY_RES)
+ panic("Too many early reservations");
+ r = &early_res[i];
+ if (r->end)
+ panic("Overlapping early reservations "
+ "%llx-%llx %s to %llx-%llx %s\n",
+ start, end - 1, name?name:"", r->start,
+ r->end - 1, r->name);
+ r->start = start;
+ r->end = end;
+ r->overlap_ok = overlap_ok;
+ if (name)
+ strncpy(r->name, name, sizeof(r->name) - 1);
+}
+
+/*
+ * A few early reservtations come here.
+ *
+ * The 'overlap_ok' in the name of this routine does -not- mean it
+ * is ok for these reservations to overlap an earlier reservation.
+ * Rather it means that it is ok for subsequent reservations to
+ * overlap this one.
+ *
+ * Use this entry point to reserve early ranges when you are doing
+ * so out of "Paranoia", reserving perhaps more memory than you need,
+ * just in case, and don't mind a subsequent overlapping reservation
+ * that is known to be needed.
+ *
+ * The drop_overlaps_that_are_ok() call here isn't really needed.
+ * It would be needed if we had two colliding 'overlap_ok'
+ * reservations, so that the second such would not panic on the
+ * overlap with the first. We don't have any such as of this
+ * writing, but might as well tolerate such if it happens in
+ * the future.
+ */
+void __init reserve_early_overlap_ok(u64 start, u64 end, char *name)
+{
+ drop_overlaps_that_are_ok(start, end);
+ __reserve_early(start, end, name, 1);
+}
+
+/*
+ * Most early reservations come here.
+ *
+ * We first have drop_overlaps_that_are_ok() drop any pre-existing
+ * 'overlap_ok' ranges, so that we can then reserve this memory
+ * range without risk of panic'ing on an overlapping overlap_ok
+ * early reservation.
+ */
+void __init reserve_early(u64 start, u64 end, char *name)
+{
+ drop_overlaps_that_are_ok(start, end);
+ __reserve_early(start, end, name, 0);
+}
+
+void __init free_early(u64 start, u64 end)
+{
+ struct early_res *r;
+ int i;
+
+ i = find_overlapped_early(start, end);
+ r = &early_res[i];
+ if (i >= MAX_EARLY_RES || r->end != end || r->start != start)
+ panic("free_early on not reserved area: %llx-%llx!",
+ start, end - 1);
+
+ drop_range(i);
+}
+
+void __init early_res_to_bootmem(u64 start, u64 end)
+{
+ int i, count;
+ u64 final_start, final_end;
+
+ count = 0;
+ for (i = 0; i < MAX_EARLY_RES && early_res[i].end; i++)
+ count++;
+
+ printk(KERN_INFO "(%d early reservations) ==> bootmem\n", count);
+ for (i = 0; i < count; i++) {
+ struct early_res *r = &early_res[i];
+ printk(KERN_INFO " #%d [%010llx - %010llx] %16s", i,
+ r->start, r->end, r->name);
+ final_start = max(start, r->start);
+ final_end = min(end, r->end);
+ if (final_start >= final_end) {
+ printk(KERN_CONT "\n");
+ continue;
+ }
+ printk(KERN_CONT " ==> [%010llx - %010llx]\n",
+ final_start, final_end);
+ reserve_bootmem_generic(final_start, final_end - final_start,
+ BOOTMEM_DEFAULT);
+ }
+}
+
+/* Check for already reserved areas */
+static inline int __init bad_addr(u64 *addrp, u64 size, u64 align)
+{
+ int i;
+ u64 addr = *addrp;
+ int changed = 0;
+ struct early_res *r;
+again:
+ i = find_overlapped_early(addr, addr + size);
+ r = &early_res[i];
+ if (i < MAX_EARLY_RES && r->end) {
+ *addrp = addr = round_up(r->end, align);
+ changed = 1;
+ goto again;
+ }
+ return changed;
+}
+
+/* Check for already reserved areas */
+static inline int __init bad_addr_size(u64 *addrp, u64 *sizep, u64 align)
+{
+ int i;
+ u64 addr = *addrp, last;
+ u64 size = *sizep;
+ int changed = 0;
+again:
+ last = addr + size;
+ for (i = 0; i < MAX_EARLY_RES && early_res[i].end; i++) {
+ struct early_res *r = &early_res[i];
+ if (last > r->start && addr < r->start) {
+ size = r->start - addr;
+ changed = 1;
+ goto again;
+ }
+ if (last > r->end && addr < r->end) {
+ addr = round_up(r->end, align);
+ size = last - addr;
+ changed = 1;
+ goto again;
+ }
+ if (last <= r->end && addr >= r->start) {
+ (*sizep)++;
+ return 0;
+ }
+ }
+ if (changed) {
+ *addrp = addr;
+ *sizep = size;
+ }
+ return changed;
+}
+
+/*
+ * Find a free area with specified alignment in a specific range.
+ */
+u64 __init find_e820_area(u64 start, u64 end, u64 size, u64 align)
+{
+ int i;
+
+ for (i = 0; i < e820.nr_map; i++) {
+ struct e820entry *ei = &e820.map[i];
+ u64 addr, last;
+ u64 ei_last;
+
+ if (ei->type != E820_RAM)
+ continue;
+ addr = round_up(ei->addr, align);
+ ei_last = ei->addr + ei->size;
+ if (addr < start)
+ addr = round_up(start, align);
+ if (addr >= ei_last)
+ continue;
+ while (bad_addr(&addr, size, align) && addr+size <= ei_last)
+ ;
+ last = addr + size;
+ if (last > ei_last)
+ continue;
+ if (last > end)
+ continue;
+ return addr;
+ }
+ return -1ULL;
+}
+
+/*
+ * Find next free range after *start
+ */
+u64 __init find_e820_area_size(u64 start, u64 *sizep, u64 align)
+{
+ int i;
+
+ for (i = 0; i < e820.nr_map; i++) {
+ struct e820entry *ei = &e820.map[i];
+ u64 addr, last;
+ u64 ei_last;
+
+ if (ei->type != E820_RAM)
+ continue;
+ addr = round_up(ei->addr, align);
+ ei_last = ei->addr + ei->size;
+ if (addr < start)
+ addr = round_up(start, align);
+ if (addr >= ei_last)
+ continue;
+ *sizep = ei_last - addr;
+ while (bad_addr_size(&addr, sizep, align) &&
+ addr + *sizep <= ei_last)
+ ;
+ last = addr + *sizep;
+ if (last > ei_last)
+ continue;
+ return addr;
+ }
+ return -1UL;
+
+}
+
+/*
+ * pre allocated 4k and reserved it in e820
+ */
+u64 __init early_reserve_e820(u64 startt, u64 sizet, u64 align)
+{
+ u64 size = 0;
+ u64 addr;
+ u64 start;
+
+ start = startt;
+ while (size < sizet)
+ start = find_e820_area_size(start, &size, align);
+
+ if (size < sizet)
+ return 0;
+
+ addr = round_down(start + size - sizet, align);
+ e820_update_range(addr, sizet, E820_RAM, E820_RESERVED);
+ e820_update_range_saved(addr, sizet, E820_RAM, E820_RESERVED);
+ printk(KERN_INFO "update e820 for early_reserve_e820\n");
+ update_e820();
+ update_e820_saved();
+
+ return addr;
+}
+
+#ifdef CONFIG_X86_32
+# ifdef CONFIG_X86_PAE
+# define MAX_ARCH_PFN (1ULL<<(36-PAGE_SHIFT))
+# else
+# define MAX_ARCH_PFN (1ULL<<(32-PAGE_SHIFT))
+# endif
+#else /* CONFIG_X86_32 */
+# define MAX_ARCH_PFN MAXMEM>>PAGE_SHIFT
+#endif
+
+/*
+ * Find the highest page frame number we have available
+ */
+static unsigned long __init e820_end_pfn(unsigned long limit_pfn, unsigned type)
+{
+ int i;
+ unsigned long last_pfn = 0;
+ unsigned long max_arch_pfn = MAX_ARCH_PFN;
+
+ for (i = 0; i < e820.nr_map; i++) {
+ struct e820entry *ei = &e820.map[i];
+ unsigned long start_pfn;
+ unsigned long end_pfn;
+
+ if (ei->type != type)
+ continue;
+
+ start_pfn = ei->addr >> PAGE_SHIFT;
+ end_pfn = (ei->addr + ei->size) >> PAGE_SHIFT;
+
+ if (start_pfn >= limit_pfn)
+ continue;
+ if (end_pfn > limit_pfn) {
+ last_pfn = limit_pfn;
+ break;
+ }
+ if (end_pfn > last_pfn)
+ last_pfn = end_pfn;
+ }
+
+ if (last_pfn > max_arch_pfn)
+ last_pfn = max_arch_pfn;
+
+ printk(KERN_INFO "last_pfn = %#lx max_arch_pfn = %#lx\n",
+ last_pfn, max_arch_pfn);
+ return last_pfn;
+}
+unsigned long __init e820_end_of_ram_pfn(void)
+{
+ return e820_end_pfn(MAX_ARCH_PFN, E820_RAM);
+}
+
+unsigned long __init e820_end_of_low_ram_pfn(void)
+{
+ return e820_end_pfn(1UL<<(32 - PAGE_SHIFT), E820_RAM);
+}
+/*
+ * Finds an active region in the address range from start_pfn to last_pfn and
+ * returns its range in ei_startpfn and ei_endpfn for the e820 entry.
+ */
+int __init e820_find_active_region(const struct e820entry *ei,
+ unsigned long start_pfn,
+ unsigned long last_pfn,
+ unsigned long *ei_startpfn,
+ unsigned long *ei_endpfn)
+{
+ u64 align = PAGE_SIZE;
+
+ *ei_startpfn = round_up(ei->addr, align) >> PAGE_SHIFT;
+ *ei_endpfn = round_down(ei->addr + ei->size, align) >> PAGE_SHIFT;
+
+ /* Skip map entries smaller than a page */
+ if (*ei_startpfn >= *ei_endpfn)
+ return 0;
+
+ /* Skip if map is outside the node */
+ if (ei->type != E820_RAM || *ei_endpfn <= start_pfn ||
+ *ei_startpfn >= last_pfn)
+ return 0;
+
+ /* Check for overlaps */
+ if (*ei_startpfn < start_pfn)
+ *ei_startpfn = start_pfn;
+ if (*ei_endpfn > last_pfn)
+ *ei_endpfn = last_pfn;
+
+ return 1;
+}
+
+/* Walk the e820 map and register active regions within a node */
+void __init e820_register_active_regions(int nid, unsigned long start_pfn,
+ unsigned long last_pfn)
+{
+ unsigned long ei_startpfn;
+ unsigned long ei_endpfn;
+ int i;
+
+ for (i = 0; i < e820.nr_map; i++)
+ if (e820_find_active_region(&e820.map[i],
+ start_pfn, last_pfn,
+ &ei_startpfn, &ei_endpfn))
+ add_active_range(nid, ei_startpfn, ei_endpfn);
+}
+
+/*
+ * Find the hole size (in bytes) in the memory range.
+ * @start: starting address of the memory range to scan
+ * @end: ending address of the memory range to scan
+ */
+u64 __init e820_hole_size(u64 start, u64 end)
+{
+ unsigned long start_pfn = start >> PAGE_SHIFT;
+ unsigned long last_pfn = end >> PAGE_SHIFT;
+ unsigned long ei_startpfn, ei_endpfn, ram = 0;
+ int i;
+
+ for (i = 0; i < e820.nr_map; i++) {
+ if (e820_find_active_region(&e820.map[i],
+ start_pfn, last_pfn,
+ &ei_startpfn, &ei_endpfn))
+ ram += ei_endpfn - ei_startpfn;
+ }
+ return end - start - ((u64)ram << PAGE_SHIFT);
+}
+
+static void early_panic(char *msg)
+{
+ early_printk(msg);
+ panic(msg);
+}
+
+static int userdef __initdata;
+
+/* "mem=nopentium" disables the 4MB page tables. */
+static int __init parse_memopt(char *p)
+{
+ u64 mem_size;
+
+ if (!p)
+ return -EINVAL;
+
+#ifdef CONFIG_X86_32
+ if (!strcmp(p, "nopentium")) {
+ setup_clear_cpu_cap(X86_FEATURE_PSE);
+ return 0;
+ }
+#endif
+
+ userdef = 1;
+ mem_size = memparse(p, &p);
+ e820_remove_range(mem_size, ULLONG_MAX - mem_size, E820_RAM, 1);
+
+ return 0;
+}
+early_param("mem", parse_memopt);
+
+static int __init parse_memmap_opt(char *p)
+{
+ char *oldp;
+ u64 start_at, mem_size;
+
+ if (!p)
+ return -EINVAL;
+
+ if (!strcmp(p, "exactmap")) {
+#ifdef CONFIG_CRASH_DUMP
+ /*
+ * If we are doing a crash dump, we still need to know
+ * the real mem size before original memory map is
+ * reset.
+ */
+ saved_max_pfn = e820_end_of_ram_pfn();
+#endif
+ e820.nr_map = 0;
+ userdef = 1;
+ return 0;
+ }
+
+ oldp = p;
+ mem_size = memparse(p, &p);
+ if (p == oldp)
+ return -EINVAL;
+
+ userdef = 1;
+ if (*p == '@') {
+ start_at = memparse(p+1, &p);
+ e820_add_region(start_at, mem_size, E820_RAM);
+ } else if (*p == '#') {
+ start_at = memparse(p+1, &p);
+ e820_add_region(start_at, mem_size, E820_ACPI);
+ } else if (*p == '$') {
+ start_at = memparse(p+1, &p);
+ e820_add_region(start_at, mem_size, E820_RESERVED);
+ } else
+ e820_remove_range(mem_size, ULLONG_MAX - mem_size, E820_RAM, 1);
+
+ return *p == '\0' ? 0 : -EINVAL;
+}
+early_param("memmap", parse_memmap_opt);
+
+void __init finish_e820_parsing(void)
+{
+ if (userdef) {
+ int nr = e820.nr_map;
+
+ if (sanitize_e820_map(e820.map, ARRAY_SIZE(e820.map), &nr) < 0)
+ early_panic("Invalid user supplied memory map");
+ e820.nr_map = nr;
+
+ printk(KERN_INFO "user-defined physical RAM map:\n");
+ e820_print_map("user");
+ }
+}
+
+static inline const char *e820_type_to_string(int e820_type)
+{
+ switch (e820_type) {
+ case E820_RESERVED_KERN:
+ case E820_RAM: return "System RAM";
+ case E820_ACPI: return "ACPI Tables";
+ case E820_NVS: return "ACPI Non-volatile Storage";
+ default: return "reserved";
+ }
+}
+
+/*
+ * Mark e820 reserved areas as busy for the resource manager.
+ */
+void __init e820_reserve_resources(void)
+{
+ int i;
+ struct resource *res;
+ u64 end;
+
+ res = alloc_bootmem_low(sizeof(struct resource) * e820.nr_map);
+ for (i = 0; i < e820.nr_map; i++) {
+ end = e820.map[i].addr + e820.map[i].size - 1;
+#ifndef CONFIG_RESOURCES_64BIT
+ if (end > 0x100000000ULL) {
+ res++;
+ continue;
+ }
+#endif
+ res->name = e820_type_to_string(e820.map[i].type);
+ res->start = e820.map[i].addr;
+ res->end = end;
+
+ res->flags = IORESOURCE_MEM | IORESOURCE_BUSY;
+ insert_resource(&iomem_resource, res);
+ res++;
+ }
+
+ for (i = 0; i < e820_saved.nr_map; i++) {
+ struct e820entry *entry = &e820_saved.map[i];
+ firmware_map_add_early(entry->addr,
+ entry->addr + entry->size - 1,
+ e820_type_to_string(entry->type));
+ }
+}
+
+/*
+ * Non-standard memory setup can be specified via this quirk:
+ */
+char * (*arch_memory_setup_quirk)(void);
+
+char *__init default_machine_specific_memory_setup(void)
+{
+ char *who = "BIOS-e820";
+ int new_nr;
+ /*
+ * Try to copy the BIOS-supplied E820-map.
+ *
+ * Otherwise fake a memory map; one section from 0k->640k,
+ * the next section from 1mb->appropriate_mem_k
+ */
+ new_nr = boot_params.e820_entries;
+ sanitize_e820_map(boot_params.e820_map,
+ ARRAY_SIZE(boot_params.e820_map),
+ &new_nr);
+ boot_params.e820_entries = new_nr;
+ if (append_e820_map(boot_params.e820_map, boot_params.e820_entries)
+ < 0) {
+ u64 mem_size;
+
+ /* compare results from other methods and take the greater */
+ if (boot_params.alt_mem_k
+ < boot_params.screen_info.ext_mem_k) {
+ mem_size = boot_params.screen_info.ext_mem_k;
+ who = "BIOS-88";
+ } else {
+ mem_size = boot_params.alt_mem_k;
+ who = "BIOS-e801";
+ }
+
+ e820.nr_map = 0;
+ e820_add_region(0, LOWMEMSIZE(), E820_RAM);
+ e820_add_region(HIGH_MEMORY, mem_size << 10, E820_RAM);
+ }
+
+ /* In case someone cares... */
+ return who;
+}
+
+char *__init __attribute__((weak)) machine_specific_memory_setup(void)
+{
+ if (arch_memory_setup_quirk) {
+ char *who = arch_memory_setup_quirk();
+
+ if (who)
+ return who;
+ }
+ return default_machine_specific_memory_setup();
+}
+
+/* Overridden in paravirt.c if CONFIG_PARAVIRT */
+char * __init __attribute__((weak)) memory_setup(void)
+{
+ return machine_specific_memory_setup();
+}
+
+void __init setup_memory_map(void)
+{
+ char *who;
+
+ who = memory_setup();
+ memcpy(&e820_saved, &e820, sizeof(struct e820map));
+ printk(KERN_INFO "BIOS-provided physical RAM map:\n");
+ e820_print_map(who);
+}
+
+#ifdef CONFIG_X86_64
+int __init arch_get_ram_range(int slot, u64 *addr, u64 *size)
+{
+ int i;
+
+ if (slot < 0 || slot >= e820.nr_map)
+ return -1;
+ for (i = slot; i < e820.nr_map; i++) {
+ if (e820.map[i].type != E820_RAM)
+ continue;
+ break;
+ }
+ if (i == e820.nr_map || e820.map[i].addr > (max_pfn << PAGE_SHIFT))
+ return -1;
+ *addr = e820.map[i].addr;
+ *size = min_t(u64, e820.map[i].size + e820.map[i].addr,
+ max_pfn << PAGE_SHIFT) - *addr;
+ return i + 1;
+}
+#endif
diff --git a/arch/x86/kernel/e820_32.c b/arch/x86/kernel/e820_32.c
deleted file mode 100644
index ed733e7cf4e..00000000000
--- a/arch/x86/kernel/e820_32.c
+++ /dev/null
@@ -1,775 +0,0 @@
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/init.h>
-#include <linux/bootmem.h>
-#include <linux/ioport.h>
-#include <linux/string.h>
-#include <linux/kexec.h>
-#include <linux/module.h>
-#include <linux/mm.h>
-#include <linux/pfn.h>
-#include <linux/uaccess.h>
-#include <linux/suspend.h>
-
-#include <asm/pgtable.h>
-#include <asm/page.h>
-#include <asm/e820.h>
-#include <asm/setup.h>
-
-struct e820map e820;
-struct change_member {
- struct e820entry *pbios; /* pointer to original bios entry */
- unsigned long long addr; /* address for this change point */
-};
-static struct change_member change_point_list[2*E820MAX] __initdata;
-static struct change_member *change_point[2*E820MAX] __initdata;
-static struct e820entry *overlap_list[E820MAX] __initdata;
-static struct e820entry new_bios[E820MAX] __initdata;
-/* For PCI or other memory-mapped resources */
-unsigned long pci_mem_start = 0x10000000;
-#ifdef CONFIG_PCI
-EXPORT_SYMBOL(pci_mem_start);
-#endif
-extern int user_defined_memmap;
-
-static struct resource system_rom_resource = {
- .name = "System ROM",
- .start = 0xf0000,
- .end = 0xfffff,
- .flags = IORESOURCE_BUSY | IORESOURCE_READONLY | IORESOURCE_MEM
-};
-
-static struct resource extension_rom_resource = {
- .name = "Extension ROM",
- .start = 0xe0000,
- .end = 0xeffff,
- .flags = IORESOURCE_BUSY | IORESOURCE_READONLY | IORESOURCE_MEM
-};
-
-static struct resource adapter_rom_resources[] = { {
- .name = "Adapter ROM",
- .start = 0xc8000,
- .end = 0,
- .flags = IORESOURCE_BUSY | IORESOURCE_READONLY | IORESOURCE_MEM
-}, {
- .name = "Adapter ROM",
- .start = 0,
- .end = 0,
- .flags = IORESOURCE_BUSY | IORESOURCE_READONLY | IORESOURCE_MEM
-}, {
- .name = "Adapter ROM",
- .start = 0,
- .end = 0,
- .flags = IORESOURCE_BUSY | IORESOURCE_READONLY | IORESOURCE_MEM
-}, {
- .name = "Adapter ROM",
- .start = 0,
- .end = 0,
- .flags = IORESOURCE_BUSY | IORESOURCE_READONLY | IORESOURCE_MEM
-}, {
- .name = "Adapter ROM",
- .start = 0,
- .end = 0,
- .flags = IORESOURCE_BUSY | IORESOURCE_READONLY | IORESOURCE_MEM
-}, {
- .name = "Adapter ROM",
- .start = 0,
- .end = 0,
- .flags = IORESOURCE_BUSY | IORESOURCE_READONLY | IORESOURCE_MEM
-} };
-
-static struct resource video_rom_resource = {
- .name = "Video ROM",
- .start = 0xc0000,
- .end = 0xc7fff,
- .flags = IORESOURCE_BUSY | IORESOURCE_READONLY | IORESOURCE_MEM
-};
-
-#define ROMSIGNATURE 0xaa55
-
-static int __init romsignature(const unsigned char *rom)
-{
- const unsigned short * const ptr = (const unsigned short *)rom;
- unsigned short sig;
-
- return probe_kernel_address(ptr, sig) == 0 && sig == ROMSIGNATURE;
-}
-
-static int __init romchecksum(const unsigned char *rom, unsigned long length)
-{
- unsigned char sum, c;
-
- for (sum = 0; length && probe_kernel_address(rom++, c) == 0; length--)
- sum += c;
- return !length && !sum;
-}
-
-static void __init probe_roms(void)
-{
- const unsigned char *rom;
- unsigned long start, length, upper;
- unsigned char c;
- int i;
-
- /* video rom */
- upper = adapter_rom_resources[0].start;
- for (start = video_rom_resource.start; start < upper; start += 2048) {
- rom = isa_bus_to_virt(start);
- if (!romsignature(rom))
- continue;
-
- video_rom_resource.start = start;
-
- if (probe_kernel_address(rom + 2, c) != 0)
- continue;
-
- /* 0 < length <= 0x7f * 512, historically */
- length = c * 512;
-
- /* if checksum okay, trust length byte */
- if (length && romchecksum(rom, length))
- video_rom_resource.end = start + length - 1;
-
- request_resource(&iomem_resource, &video_rom_resource);
- break;
- }
-
- start = (video_rom_resource.end + 1 + 2047) & ~2047UL;
- if (start < upper)
- start = upper;
-
- /* system rom */
- request_resource(&iomem_resource, &system_rom_resource);
- upper = system_rom_resource.start;
-
- /* check for extension rom (ignore length byte!) */
- rom = isa_bus_to_virt(extension_rom_resource.start);
- if (romsignature(rom)) {
- length = extension_rom_resource.end - extension_rom_resource.start + 1;
- if (romchecksum(rom, length)) {
- request_resource(&iomem_resource, &extension_rom_resource);
- upper = extension_rom_resource.start;
- }
- }
-
- /* check for adapter roms on 2k boundaries */
- for (i = 0; i < ARRAY_SIZE(adapter_rom_resources) && start < upper; start += 2048) {
- rom = isa_bus_to_virt(start);
- if (!romsignature(rom))
- continue;
-
- if (probe_kernel_address(rom + 2, c) != 0)
- continue;
-
- /* 0 < length <= 0x7f * 512, historically */
- length = c * 512;
-
- /* but accept any length that fits if checksum okay */
- if (!length || start + length > upper || !romchecksum(rom, length))
- continue;
-
- adapter_rom_resources[i].start = start;
- adapter_rom_resources[i].end = start + length - 1;
- request_resource(&iomem_resource, &adapter_rom_resources[i]);
-
- start = adapter_rom_resources[i++].end & ~2047UL;
- }
-}
-
-/*
- * Request address space for all standard RAM and ROM resources
- * and also for regions reported as reserved by the e820.
- */
-void __init init_iomem_resources(struct resource *code_resource,
- struct resource *data_resource,
- struct resource *bss_resource)
-{
- int i;
-
- probe_roms();
- for (i = 0; i < e820.nr_map; i++) {
- struct resource *res;
-#ifndef CONFIG_RESOURCES_64BIT
- if (e820.map[i].addr + e820.map[i].size > 0x100000000ULL)
- continue;
-#endif
- res = kzalloc(sizeof(struct resource), GFP_ATOMIC);
- switch (e820.map[i].type) {
- case E820_RAM: res->name = "System RAM"; break;
- case E820_ACPI: res->name = "ACPI Tables"; break;
- case E820_NVS: res->name = "ACPI Non-volatile Storage"; break;
- default: res->name = "reserved";
- }
- res->start = e820.map[i].addr;
- res->end = res->start + e820.map[i].size - 1;
- res->flags = IORESOURCE_MEM | IORESOURCE_BUSY;
- if (request_resource(&iomem_resource, res)) {
- kfree(res);
- continue;
- }
- if (e820.map[i].type == E820_RAM) {
- /*
- * We don't know which RAM region contains kernel data,
- * so we try it repeatedly and let the resource manager
- * test it.
- */
- request_resource(res, code_resource);
- request_resource(res, data_resource);
- request_resource(res, bss_resource);
-#ifdef CONFIG_KEXEC
- if (crashk_res.start != crashk_res.end)
- request_resource(res, &crashk_res);
-#endif
- }
- }
-}
-
-#if defined(CONFIG_PM) && defined(CONFIG_HIBERNATION)
-/**
- * e820_mark_nosave_regions - Find the ranges of physical addresses that do not
- * correspond to e820 RAM areas and mark the corresponding pages as nosave for
- * hibernation.
- *
- * This function requires the e820 map to be sorted and without any
- * overlapping entries and assumes the first e820 area to be RAM.
- */
-void __init e820_mark_nosave_regions(void)
-{
- int i;
- unsigned long pfn;
-
- pfn = PFN_DOWN(e820.map[0].addr + e820.map[0].size);
- for (i = 1; i < e820.nr_map; i++) {
- struct e820entry *ei = &e820.map[i];
-
- if (pfn < PFN_UP(ei->addr))
- register_nosave_region(pfn, PFN_UP(ei->addr));
-
- pfn = PFN_DOWN(ei->addr + ei->size);
- if (ei->type != E820_RAM)
- register_nosave_region(PFN_UP(ei->addr), pfn);
-
- if (pfn >= max_low_pfn)
- break;
- }
-}
-#endif
-
-void __init add_memory_region(unsigned long long start,
- unsigned long long size, int type)
-{
- int x;
-
- x = e820.nr_map;
-
- if (x == E820MAX) {
- printk(KERN_ERR "Ooops! Too many entries in the memory map!\n");
- return;
- }
-
- e820.map[x].addr = start;
- e820.map[x].size = size;
- e820.map[x].type = type;
- e820.nr_map++;
-} /* add_memory_region */
-
-/*
- * Sanitize the BIOS e820 map.
- *
- * Some e820 responses include overlapping entries. The following
- * replaces the original e820 map with a new one, removing overlaps.
- *
- */
-int __init sanitize_e820_map(struct e820entry * biosmap, char * pnr_map)
-{
- struct change_member *change_tmp;
- unsigned long current_type, last_type;
- unsigned long long last_addr;
- int chgidx, still_changing;
- int overlap_entries;
- int new_bios_entry;
- int old_nr, new_nr, chg_nr;
- int i;
-
- /*
- Visually we're performing the following (1,2,3,4 = memory types)...
-
- Sample memory map (w/overlaps):
- ____22__________________
- ______________________4_
- ____1111________________
- _44_____________________
- 11111111________________
- ____________________33__
- ___________44___________
- __________33333_________
- ______________22________
- ___________________2222_
- _________111111111______
- _____________________11_
- _________________4______
-
- Sanitized equivalent (no overlap):
- 1_______________________
- _44_____________________
- ___1____________________
- ____22__________________
- ______11________________
- _________1______________
- __________3_____________
- ___________44___________
- _____________33_________
- _______________2________
- ________________1_______
- _________________4______
- ___________________2____
- ____________________33__
- ______________________4_
- */
- /* if there's only one memory region, don't bother */
- if (*pnr_map < 2) {
- return -1;
- }
-
- old_nr = *pnr_map;
-
- /* bail out if we find any unreasonable addresses in bios map */
- for (i=0; i<old_nr; i++)
- if (biosmap[i].addr + biosmap[i].size < biosmap[i].addr) {
- return -1;
- }
-
- /* create pointers for initial change-point information (for sorting) */
- for (i=0; i < 2*old_nr; i++)
- change_point[i] = &change_point_list[i];
-
- /* record all known change-points (starting and ending addresses),
- omitting those that are for empty memory regions */
- chgidx = 0;
- for (i=0; i < old_nr; i++) {
- if (biosmap[i].size != 0) {
- change_point[chgidx]->addr = biosmap[i].addr;
- change_point[chgidx++]->pbios = &biosmap[i];
- change_point[chgidx]->addr = biosmap[i].addr + biosmap[i].size;
- change_point[chgidx++]->pbios = &biosmap[i];
- }
- }
- chg_nr = chgidx; /* true number of change-points */
-
- /* sort change-point list by memory addresses (low -> high) */
- still_changing = 1;
- while (still_changing) {
- still_changing = 0;
- for (i=1; i < chg_nr; i++) {
- /* if <current_addr> > <last_addr>, swap */
- /* or, if current=<start_addr> & last=<end_addr>, swap */
- if ((change_point[i]->addr < change_point[i-1]->addr) ||
- ((change_point[i]->addr == change_point[i-1]->addr) &&
- (change_point[i]->addr == change_point[i]->pbios->addr) &&
- (change_point[i-1]->addr != change_point[i-1]->pbios->addr))
- )
- {
- change_tmp = change_point[i];
- change_point[i] = change_point[i-1];
- change_point[i-1] = change_tmp;
- still_changing=1;
- }
- }
- }
-
- /* create a new bios memory map, removing overlaps */
- overlap_entries=0; /* number of entries in the overlap table */
- new_bios_entry=0; /* index for creating new bios map entries */
- last_type = 0; /* start with undefined memory type */
- last_addr = 0; /* start with 0 as last starting address */
- /* loop through change-points, determining affect on the new bios map */
- for (chgidx=0; chgidx < chg_nr; chgidx++)
- {
- /* keep track of all overlapping bios entries */
- if (change_point[chgidx]->addr == change_point[chgidx]->pbios->addr)
- {
- /* add map entry to overlap list (> 1 entry implies an overlap) */
- overlap_list[overlap_entries++]=change_point[chgidx]->pbios;
- }
- else
- {
- /* remove entry from list (order independent, so swap with last) */
- for (i=0; i<overlap_entries; i++)
- {
- if (overlap_list[i] == change_point[chgidx]->pbios)
- overlap_list[i] = overlap_list[overlap_entries-1];
- }
- overlap_entries--;
- }
- /* if there are overlapping entries, decide which "type" to use */
- /* (larger value takes precedence -- 1=usable, 2,3,4,4+=unusable) */
- current_type = 0;
- for (i=0; i<overlap_entries; i++)
- if (overlap_list[i]->type > current_type)
- current_type = overlap_list[i]->type;
- /* continue building up new bios map based on this information */
- if (current_type != last_type) {
- if (last_type != 0) {
- new_bios[new_bios_entry].size =
- change_point[chgidx]->addr - last_addr;
- /* move forward only if the new size was non-zero */
- if (new_bios[new_bios_entry].size != 0)
- if (++new_bios_entry >= E820MAX)
- break; /* no more space left for new bios entries */
- }
- if (current_type != 0) {
- new_bios[new_bios_entry].addr = change_point[chgidx]->addr;
- new_bios[new_bios_entry].type = current_type;
- last_addr=change_point[chgidx]->addr;
- }
- last_type = current_type;
- }
- }
- new_nr = new_bios_entry; /* retain count for new bios entries */
-
- /* copy new bios mapping into original location */
- memcpy(biosmap, new_bios, new_nr*sizeof(struct e820entry));
- *pnr_map = new_nr;
-
- return 0;
-}
-
-/*
- * Copy the BIOS e820 map into a safe place.
- *
- * Sanity-check it while we're at it..
- *
- * If we're lucky and live on a modern system, the setup code
- * will have given us a memory map that we can use to properly
- * set up memory. If we aren't, we'll fake a memory map.
- *
- * We check to see that the memory map contains at least 2 elements
- * before we'll use it, because the detection code in setup.S may
- * not be perfect and most every PC known to man has two memory
- * regions: one from 0 to 640k, and one from 1mb up. (The IBM
- * thinkpad 560x, for example, does not cooperate with the memory
- * detection code.)
- */
-int __init copy_e820_map(struct e820entry *biosmap, int nr_map)
-{
- /* Only one memory region (or negative)? Ignore it */
- if (nr_map < 2)
- return -1;
-
- do {
- u64 start = biosmap->addr;
- u64 size = biosmap->size;
- u64 end = start + size;
- u32 type = biosmap->type;
-
- /* Overflow in 64 bits? Ignore the memory map. */
- if (start > end)
- return -1;
-
- add_memory_region(start, size, type);
- } while (biosmap++, --nr_map);
-
- return 0;
-}
-
-/*
- * Find the highest page frame number we have available
- */
-void __init propagate_e820_map(void)
-{
- int i;
-
- max_pfn = 0;
-
- for (i = 0; i < e820.nr_map; i++) {
- unsigned long start, end;
- /* RAM? */
- if (e820.map[i].type != E820_RAM)
- continue;
- start = PFN_UP(e820.map[i].addr);
- end = PFN_DOWN(e820.map[i].addr + e820.map[i].size);
- if (start >= end)
- continue;
- if (end > max_pfn)
- max_pfn = end;
- memory_present(0, start, end);
- }
-}
-
-/*
- * Register fully available low RAM pages with the bootmem allocator.
- */
-void __init register_bootmem_low_pages(unsigned long max_low_pfn)
-{
- int i;
-
- for (i = 0; i < e820.nr_map; i++) {
- unsigned long curr_pfn, last_pfn, size;
- /*
- * Reserve usable low memory
- */
- if (e820.map[i].type != E820_RAM)
- continue;
- /*
- * We are rounding up the start address of usable memory:
- */
- curr_pfn = PFN_UP(e820.map[i].addr);
- if (curr_pfn >= max_low_pfn)
- continue;
- /*
- * ... and at the end of the usable range downwards:
- */
- last_pfn = PFN_DOWN(e820.map[i].addr + e820.map[i].size);
-
- if (last_pfn > max_low_pfn)
- last_pfn = max_low_pfn;
-
- /*
- * .. finally, did all the rounding and playing
- * around just make the area go away?
- */
- if (last_pfn <= curr_pfn)
- continue;
-
- size = last_pfn - curr_pfn;
- free_bootmem(PFN_PHYS(curr_pfn), PFN_PHYS(size));
- }
-}
-
-void __init e820_register_memory(void)
-{
- unsigned long gapstart, gapsize, round;
- unsigned long long last;
- int i;
-
- /*
- * Search for the biggest gap in the low 32 bits of the e820
- * memory space.
- */
- last = 0x100000000ull;
- gapstart = 0x10000000;
- gapsize = 0x400000;
- i = e820.nr_map;
- while (--i >= 0) {
- unsigned long long start = e820.map[i].addr;
- unsigned long long end = start + e820.map[i].size;
-
- /*
- * Since "last" is at most 4GB, we know we'll
- * fit in 32 bits if this condition is true
- */
- if (last > end) {
- unsigned long gap = last - end;
-
- if (gap > gapsize) {
- gapsize = gap;
- gapstart = end;
- }
- }
- if (start < last)
- last = start;
- }
-
- /*
- * See how much we want to round up: start off with
- * rounding to the next 1MB area.
- */
- round = 0x100000;
- while ((gapsize >> 4) > round)
- round += round;
- /* Fun with two's complement */
- pci_mem_start = (gapstart + round) & -round;
-
- printk("Allocating PCI resources starting at %08lx (gap: %08lx:%08lx)\n",
- pci_mem_start, gapstart, gapsize);
-}
-
-void __init print_memory_map(char *who)
-{
- int i;
-
- for (i = 0; i < e820.nr_map; i++) {
- printk(" %s: %016Lx - %016Lx ", who,
- e820.map[i].addr,
- e820.map[i].addr + e820.map[i].size);
- switch (e820.map[i].type) {
- case E820_RAM: printk("(usable)\n");
- break;
- case E820_RESERVED:
- printk("(reserved)\n");
- break;
- case E820_ACPI:
- printk("(ACPI data)\n");
- break;
- case E820_NVS:
- printk("(ACPI NVS)\n");
- break;
- default: printk("type %u\n", e820.map[i].type);
- break;
- }
- }
-}
-
-void __init limit_regions(unsigned long long size)
-{
- unsigned long long current_addr;
- int i;
-
- print_memory_map("limit_regions start");
- for (i = 0; i < e820.nr_map; i++) {
- current_addr = e820.map[i].addr + e820.map[i].size;
- if (current_addr < size)
- continue;
-
- if (e820.map[i].type != E820_RAM)
- continue;
-
- if (e820.map[i].addr >= size) {
- /*
- * This region starts past the end of the
- * requested size, skip it completely.
- */
- e820.nr_map = i;
- } else {
- e820.nr_map = i + 1;
- e820.map[i].size -= current_addr - size;
- }
- print_memory_map("limit_regions endfor");
- return;
- }
- print_memory_map("limit_regions endfunc");
-}
-
-/*
- * This function checks if any part of the range <start,end> is mapped
- * with type.
- */
-int
-e820_any_mapped(u64 start, u64 end, unsigned type)
-{
- int i;
- for (i = 0; i < e820.nr_map; i++) {
- const struct e820entry *ei = &e820.map[i];
- if (type && ei->type != type)
- continue;
- if (ei->addr >= end || ei->addr + ei->size <= start)
- continue;
- return 1;
- }
- return 0;
-}
-EXPORT_SYMBOL_GPL(e820_any_mapped);
-
- /*
- * This function checks if the entire range <start,end> is mapped with type.
- *
- * Note: this function only works correct if the e820 table is sorted and
- * not-overlapping, which is the case
- */
-int __init
-e820_all_mapped(unsigned long s, unsigned long e, unsigned type)
-{
- u64 start = s;
- u64 end = e;
- int i;
- for (i = 0; i < e820.nr_map; i++) {
- struct e820entry *ei = &e820.map[i];
- if (type && ei->type != type)
- continue;
- /* is the region (part) in overlap with the current region ?*/
- if (ei->addr >= end || ei->addr + ei->size <= start)
- continue;
- /* if the region is at the beginning of <start,end> we move
- * start to the end of the region since it's ok until there
- */
- if (ei->addr <= start)
- start = ei->addr + ei->size;
- /* if start is now at or beyond end, we're done, full
- * coverage */
- if (start >= end)
- return 1; /* we're done */
- }
- return 0;
-}
-
-static int __init parse_memmap(char *arg)
-{
- if (!arg)
- return -EINVAL;
-
- if (strcmp(arg, "exactmap") == 0) {
-#ifdef CONFIG_CRASH_DUMP
- /* If we are doing a crash dump, we
- * still need to know the real mem
- * size before original memory map is
- * reset.
- */
- propagate_e820_map();
- saved_max_pfn = max_pfn;
-#endif
- e820.nr_map = 0;
- user_defined_memmap = 1;
- } else {
- /* If the user specifies memory size, we
- * limit the BIOS-provided memory map to
- * that size. exactmap can be used to specify
- * the exact map. mem=number can be used to
- * trim the existing memory map.
- */
- unsigned long long start_at, mem_size;
-
- mem_size = memparse(arg, &arg);
- if (*arg == '@') {
- start_at = memparse(arg+1, &arg);
- add_memory_region(start_at, mem_size, E820_RAM);
- } else if (*arg == '#') {
- start_at = memparse(arg+1, &arg);
- add_memory_region(start_at, mem_size, E820_ACPI);
- } else if (*arg == '$') {
- start_at = memparse(arg+1, &arg);
- add_memory_region(start_at, mem_size, E820_RESERVED);
- } else {
- limit_regions(mem_size);
- user_defined_memmap = 1;
- }
- }
- return 0;
-}
-early_param("memmap", parse_memmap);
-void __init update_memory_range(u64 start, u64 size, unsigned old_type,
- unsigned new_type)
-{
- int i;
-
- BUG_ON(old_type == new_type);
-
- for (i = 0; i < e820.nr_map; i++) {
- struct e820entry *ei = &e820.map[i];
- u64 final_start, final_end;
- if (ei->type != old_type)
- continue;
- /* totally covered? */
- if (ei->addr >= start && ei->size <= size) {
- ei->type = new_type;
- continue;
- }
- /* partially covered */
- final_start = max(start, ei->addr);
- final_end = min(start + size, ei->addr + ei->size);
- if (final_start >= final_end)
- continue;
- add_memory_region(final_start, final_end - final_start,
- new_type);
- }
-}
-void __init update_e820(void)
-{
- u8 nr_map;
-
- nr_map = e820.nr_map;
- if (sanitize_e820_map(e820.map, &nr_map))
- return;
- e820.nr_map = nr_map;
- printk(KERN_INFO "modified physical RAM map:\n");
- print_memory_map("modified");
-}
diff --git a/arch/x86/kernel/e820_64.c b/arch/x86/kernel/e820_64.c
deleted file mode 100644
index 124480c0008..00000000000
--- a/arch/x86/kernel/e820_64.c
+++ /dev/null
@@ -1,952 +0,0 @@
-/*
- * Handle the memory map.
- * The functions here do the job until bootmem takes over.
- *
- * Getting sanitize_e820_map() in sync with i386 version by applying change:
- * - Provisions for empty E820 memory regions (reported by certain BIOSes).
- * Alex Achenbach <xela@slit.de>, December 2002.
- * Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
- *
- */
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/init.h>
-#include <linux/bootmem.h>
-#include <linux/ioport.h>
-#include <linux/string.h>
-#include <linux/kexec.h>
-#include <linux/module.h>
-#include <linux/mm.h>
-#include <linux/suspend.h>
-#include <linux/pfn.h>
-
-#include <asm/pgtable.h>
-#include <asm/page.h>
-#include <asm/e820.h>
-#include <asm/proto.h>
-#include <asm/setup.h>
-#include <asm/sections.h>
-#include <asm/kdebug.h>
-#include <asm/trampoline.h>
-
-struct e820map e820;
-
-/*
- * PFN of last memory page.
- */
-unsigned long end_pfn;
-
-/*
- * end_pfn only includes RAM, while max_pfn_mapped includes all e820 entries.
- * The direct mapping extends to max_pfn_mapped, so that we can directly access
- * apertures, ACPI and other tables without having to play with fixmaps.
- */
-unsigned long max_pfn_mapped;
-
-/*
- * Last pfn which the user wants to use.
- */
-static unsigned long __initdata end_user_pfn = MAXMEM>>PAGE_SHIFT;
-
-/*
- * Early reserved memory areas.
- */
-#define MAX_EARLY_RES 20
-
-struct early_res {
- unsigned long start, end;
- char name[16];
-};
-static struct early_res early_res[MAX_EARLY_RES] __initdata = {
- { 0, PAGE_SIZE, "BIOS data page" }, /* BIOS data page */
-#ifdef CONFIG_X86_TRAMPOLINE
- { TRAMPOLINE_BASE, TRAMPOLINE_BASE + 2 * PAGE_SIZE, "TRAMPOLINE" },
-#endif
- {}
-};
-
-void __init reserve_early(unsigned long start, unsigned long end, char *name)
-{
- int i;
- struct early_res *r;
- for (i = 0; i < MAX_EARLY_RES && early_res[i].end; i++) {
- r = &early_res[i];
- if (end > r->start && start < r->end)
- panic("Overlapping early reservations %lx-%lx %s to %lx-%lx %s\n",
- start, end - 1, name?name:"", r->start, r->end - 1, r->name);
- }
- if (i >= MAX_EARLY_RES)
- panic("Too many early reservations");
- r = &early_res[i];
- r->start = start;
- r->end = end;
- if (name)
- strncpy(r->name, name, sizeof(r->name) - 1);
-}
-
-void __init free_early(unsigned long start, unsigned long end)
-{
- struct early_res *r;
- int i, j;
-
- for (i = 0; i < MAX_EARLY_RES && early_res[i].end; i++) {
- r = &early_res[i];
- if (start == r->start && end == r->end)
- break;
- }
- if (i >= MAX_EARLY_RES || !early_res[i].end)
- panic("free_early on not reserved area: %lx-%lx!", start, end);
-
- for (j = i + 1; j < MAX_EARLY_RES && early_res[j].end; j++)
- ;
-
- memmove(&early_res[i], &early_res[i + 1],
- (j - 1 - i) * sizeof(struct early_res));
-
- early_res[j - 1].end = 0;
-}
-
-void __init early_res_to_bootmem(unsigned long start, unsigned long end)
-{
- int i;
- unsigned long final_start, final_end;
- for (i = 0; i < MAX_EARLY_RES && early_res[i].end; i++) {
- struct early_res *r = &early_res[i];
- final_start = max(start, r->start);
- final_end = min(end, r->end);
- if (final_start >= final_end)
- continue;
- printk(KERN_INFO " early res: %d [%lx-%lx] %s\n", i,
- final_start, final_end - 1, r->name);
- reserve_bootmem_generic(final_start, final_end - final_start);
- }
-}
-
-/* Check for already reserved areas */
-static inline int __init
-bad_addr(unsigned long *addrp, unsigned long size, unsigned long align)
-{
- int i;
- unsigned long addr = *addrp, last;
- int changed = 0;
-again:
- last = addr + size;
- for (i = 0; i < MAX_EARLY_RES && early_res[i].end; i++) {
- struct early_res *r = &early_res[i];
- if (last >= r->start && addr < r->end) {
- *addrp = addr = round_up(r->end, align);
- changed = 1;
- goto again;
- }
- }
- return changed;
-}
-
-/* Check for already reserved areas */
-static inline int __init
-bad_addr_size(unsigned long *addrp, unsigned long *sizep, unsigned long align)
-{
- int i;
- unsigned long addr = *addrp, last;
- unsigned long size = *sizep;
- int changed = 0;
-again:
- last = addr + size;
- for (i = 0; i < MAX_EARLY_RES && early_res[i].end; i++) {
- struct early_res *r = &early_res[i];
- if (last > r->start && addr < r->start) {
- size = r->start - addr;
- changed = 1;
- goto again;
- }
- if (last > r->end && addr < r->end) {
- addr = round_up(r->end, align);
- size = last - addr;
- changed = 1;
- goto again;
- }
- if (last <= r->end && addr >= r->start) {
- (*sizep)++;
- return 0;
- }
- }
- if (changed) {
- *addrp = addr;
- *sizep = size;
- }
- return changed;
-}
-/*
- * This function checks if any part of the range <start,end> is mapped
- * with type.
- */
-int
-e820_any_mapped(unsigned long start, unsigned long end, unsigned type)
-{
- int i;
-
- for (i = 0; i < e820.nr_map; i++) {
- struct e820entry *ei = &e820.map[i];
-
- if (type && ei->type != type)
- continue;
- if (ei->addr >= end || ei->addr + ei->size <= start)
- continue;
- return 1;
- }
- return 0;
-}
-EXPORT_SYMBOL_GPL(e820_any_mapped);
-
-/*
- * This function checks if the entire range <start,end> is mapped with type.
- *
- * Note: this function only works correct if the e820 table is sorted and
- * not-overlapping, which is the case
- */
-int __init e820_all_mapped(unsigned long start, unsigned long end,
- unsigned type)
-{
- int i;
-
- for (i = 0; i < e820.nr_map; i++) {
- struct e820entry *ei = &e820.map[i];
-
- if (type && ei->type != type)
- continue;
- /* is the region (part) in overlap with the current region ?*/
- if (ei->addr >= end || ei->addr + ei->size <= start)
- continue;
-
- /* if the region is at the beginning of <start,end> we move
- * start to the end of the region since it's ok until there
- */
- if (ei->addr <= start)
- start = ei->addr + ei->size;
- /*
- * if start is now at or beyond end, we're done, full
- * coverage
- */
- if (start >= end)
- return 1;
- }
- return 0;
-}
-
-/*
- * Find a free area with specified alignment in a specific range.
- */
-unsigned long __init find_e820_area(unsigned long start, unsigned long end,
- unsigned long size, unsigned long align)
-{
- int i;
-
- for (i = 0; i < e820.nr_map; i++) {
- struct e820entry *ei = &e820.map[i];
- unsigned long addr, last;
- unsigned long ei_last;
-
- if (ei->type != E820_RAM)
- continue;
- addr = round_up(ei->addr, align);
- ei_last = ei->addr + ei->size;
- if (addr < start)
- addr = round_up(start, align);
- if (addr >= ei_last)
- continue;
- while (bad_addr(&addr, size, align) && addr+size <= ei_last)
- ;
- last = addr + size;
- if (last > ei_last)
- continue;
- if (last > end)
- continue;
- return addr;
- }
- return -1UL;
-}
-
-/*
- * Find next free range after *start
- */
-unsigned long __init find_e820_area_size(unsigned long start,
- unsigned long *sizep,
- unsigned long align)
-{
- int i;
-
- for (i = 0; i < e820.nr_map; i++) {
- struct e820entry *ei = &e820.map[i];
- unsigned long addr, last;
- unsigned long ei_last;
-
- if (ei->type != E820_RAM)
- continue;
- addr = round_up(ei->addr, align);
- ei_last = ei->addr + ei->size;
- if (addr < start)
- addr = round_up(start, align);
- if (addr >= ei_last)
- continue;
- *sizep = ei_last - addr;
- while (bad_addr_size(&addr, sizep, align) &&
- addr + *sizep <= ei_last)
- ;
- last = addr + *sizep;
- if (last > ei_last)
- continue;
- return addr;
- }
- return -1UL;
-
-}
-/*
- * Find the highest page frame number we have available
- */
-unsigned long __init e820_end_of_ram(void)
-{
- unsigned long end_pfn;
-
- end_pfn = find_max_pfn_with_active_regions();
-
- if (end_pfn > max_pfn_mapped)
- max_pfn_mapped = end_pfn;
- if (max_pfn_mapped > MAXMEM>>PAGE_SHIFT)
- max_pfn_mapped = MAXMEM>>PAGE_SHIFT;
- if (end_pfn > end_user_pfn)
- end_pfn = end_user_pfn;
- if (end_pfn > max_pfn_mapped)
- end_pfn = max_pfn_mapped;
-
- printk(KERN_INFO "max_pfn_mapped = %lu\n", max_pfn_mapped);
- return end_pfn;
-}
-
-/*
- * Mark e820 reserved areas as busy for the resource manager.
- */
-void __init e820_reserve_resources(void)
-{
- int i;
- struct resource *res;
-
- res = alloc_bootmem_low(sizeof(struct resource) * e820.nr_map);
- for (i = 0; i < e820.nr_map; i++) {
- switch (e820.map[i].type) {
- case E820_RAM: res->name = "System RAM"; break;
- case E820_ACPI: res->name = "ACPI Tables"; break;
- case E820_NVS: res->name = "ACPI Non-volatile Storage"; break;
- default: res->name = "reserved";
- }
- res->start = e820.map[i].addr;
- res->end = res->start + e820.map[i].size - 1;
- res->flags = IORESOURCE_MEM | IORESOURCE_BUSY;
- insert_resource(&iomem_resource, res);
- res++;
- }
-}
-
-/*
- * Find the ranges of physical addresses that do not correspond to
- * e820 RAM areas and mark the corresponding pages as nosave for software
- * suspend and suspend to RAM.
- *
- * This function requires the e820 map to be sorted and without any
- * overlapping entries and assumes the first e820 area to be RAM.
- */
-void __init e820_mark_nosave_regions(void)
-{
- int i;
- unsigned long paddr;
-
- paddr = round_down(e820.map[0].addr + e820.map[0].size, PAGE_SIZE);
- for (i = 1; i < e820.nr_map; i++) {
- struct e820entry *ei = &e820.map[i];
-
- if (paddr < ei->addr)
- register_nosave_region(PFN_DOWN(paddr),
- PFN_UP(ei->addr));
-
- paddr = round_down(ei->addr + ei->size, PAGE_SIZE);
- if (ei->type != E820_RAM)
- register_nosave_region(PFN_UP(ei->addr),
- PFN_DOWN(paddr));
-
- if (paddr >= (end_pfn << PAGE_SHIFT))
- break;
- }
-}
-
-/*
- * Finds an active region in the address range from start_pfn to end_pfn and
- * returns its range in ei_startpfn and ei_endpfn for the e820 entry.
- */
-static int __init e820_find_active_region(const struct e820entry *ei,
- unsigned long start_pfn,
- unsigned long end_pfn,
- unsigned long *ei_startpfn,
- unsigned long *ei_endpfn)
-{
- *ei_startpfn = round_up(ei->addr, PAGE_SIZE) >> PAGE_SHIFT;
- *ei_endpfn = round_down(ei->addr + ei->size, PAGE_SIZE) >> PAGE_SHIFT;
-
- /* Skip map entries smaller than a page */
- if (*ei_startpfn >= *ei_endpfn)
- return 0;
-
- /* Check if max_pfn_mapped should be updated */
- if (ei->type != E820_RAM && *ei_endpfn > max_pfn_mapped)
- max_pfn_mapped = *ei_endpfn;
-
- /* Skip if map is outside the node */
- if (ei->type != E820_RAM || *ei_endpfn <= start_pfn ||
- *ei_startpfn >= end_pfn)
- return 0;
-
- /* Check for overlaps */
- if (*ei_startpfn < start_pfn)
- *ei_startpfn = start_pfn;
- if (*ei_endpfn > end_pfn)
- *ei_endpfn = end_pfn;
-
- /* Obey end_user_pfn to save on memmap */
- if (*ei_startpfn >= end_user_pfn)
- return 0;
- if (*ei_endpfn > end_user_pfn)
- *ei_endpfn = end_user_pfn;
-
- return 1;
-}
-
-/* Walk the e820 map and register active regions within a node */
-void __init
-e820_register_active_regions(int nid, unsigned long start_pfn,
- unsigned long end_pfn)
-{
- unsigned long ei_startpfn;
- unsigned long ei_endpfn;
- int i;
-
- for (i = 0; i < e820.nr_map; i++)
- if (e820_find_active_region(&e820.map[i],
- start_pfn, end_pfn,
- &ei_startpfn, &ei_endpfn))
- add_active_range(nid, ei_startpfn, ei_endpfn);
-}
-
-/*
- * Add a memory region to the kernel e820 map.
- */
-void __init add_memory_region(unsigned long start, unsigned long size, int type)
-{
- int x = e820.nr_map;
-
- if (x == E820MAX) {
- printk(KERN_ERR "Ooops! Too many entries in the memory map!\n");
- return;
- }
-
- e820.map[x].addr = start;
- e820.map[x].size = size;
- e820.map[x].type = type;
- e820.nr_map++;
-}
-
-/*
- * Find the hole size (in bytes) in the memory range.
- * @start: starting address of the memory range to scan
- * @end: ending address of the memory range to scan
- */
-unsigned long __init e820_hole_size(unsigned long start, unsigned long end)
-{
- unsigned long start_pfn = start >> PAGE_SHIFT;
- unsigned long end_pfn = end >> PAGE_SHIFT;
- unsigned long ei_startpfn, ei_endpfn, ram = 0;
- int i;
-
- for (i = 0; i < e820.nr_map; i++) {
- if (e820_find_active_region(&e820.map[i],
- start_pfn, end_pfn,
- &ei_startpfn, &ei_endpfn))
- ram += ei_endpfn - ei_startpfn;
- }
- return end - start - (ram << PAGE_SHIFT);
-}
-
-static void __init e820_print_map(char *who)
-{
- int i;
-
- for (i = 0; i < e820.nr_map; i++) {
- printk(KERN_INFO " %s: %016Lx - %016Lx ", who,
- (unsigned long long) e820.map[i].addr,
- (unsigned long long)
- (e820.map[i].addr + e820.map[i].size));
- switch (e820.map[i].type) {
- case E820_RAM:
- printk(KERN_CONT "(usable)\n");
- break;
- case E820_RESERVED:
- printk(KERN_CONT "(reserved)\n");
- break;
- case E820_ACPI:
- printk(KERN_CONT "(ACPI data)\n");
- break;
- case E820_NVS:
- printk(KERN_CONT "(ACPI NVS)\n");
- break;
- default:
- printk(KERN_CONT "type %u\n", e820.map[i].type);
- break;
- }
- }
-}
-
-/*
- * Sanitize the BIOS e820 map.
- *
- * Some e820 responses include overlapping entries. The following
- * replaces the original e820 map with a new one, removing overlaps.
- *
- */
-static int __init sanitize_e820_map(struct e820entry *biosmap, char *pnr_map)
-{
- struct change_member {
- struct e820entry *pbios; /* pointer to original bios entry */
- unsigned long long addr; /* address for this change point */
- };
- static struct change_member change_point_list[2*E820MAX] __initdata;
- static struct change_member *change_point[2*E820MAX] __initdata;
- static struct e820entry *overlap_list[E820MAX] __initdata;
- static struct e820entry new_bios[E820MAX] __initdata;
- struct change_member *change_tmp;
- unsigned long current_type, last_type;
- unsigned long long last_addr;
- int chgidx, still_changing;
- int overlap_entries;
- int new_bios_entry;
- int old_nr, new_nr, chg_nr;
- int i;
-
- /*
- Visually we're performing the following
- (1,2,3,4 = memory types)...
-
- Sample memory map (w/overlaps):
- ____22__________________
- ______________________4_
- ____1111________________
- _44_____________________
- 11111111________________
- ____________________33__
- ___________44___________
- __________33333_________
- ______________22________
- ___________________2222_
- _________111111111______
- _____________________11_
- _________________4______
-
- Sanitized equivalent (no overlap):
- 1_______________________
- _44_____________________
- ___1____________________
- ____22__________________
- ______11________________
- _________1______________
- __________3_____________
- ___________44___________
- _____________33_________
- _______________2________
- ________________1_______
- _________________4______
- ___________________2____
- ____________________33__
- ______________________4_
- */
-
- /* if there's only one memory region, don't bother */
- if (*pnr_map < 2)
- return -1;
-
- old_nr = *pnr_map;
-
- /* bail out if we find any unreasonable addresses in bios map */
- for (i = 0; i < old_nr; i++)
- if (biosmap[i].addr + biosmap[i].size < biosmap[i].addr)
- return -1;
-
- /* create pointers for initial change-point information (for sorting) */
- for (i = 0; i < 2 * old_nr; i++)
- change_point[i] = &change_point_list[i];
-
- /* record all known change-points (starting and ending addresses),
- omitting those that are for empty memory regions */
- chgidx = 0;
- for (i = 0; i < old_nr; i++) {
- if (biosmap[i].size != 0) {
- change_point[chgidx]->addr = biosmap[i].addr;
- change_point[chgidx++]->pbios = &biosmap[i];
- change_point[chgidx]->addr = biosmap[i].addr +
- biosmap[i].size;
- change_point[chgidx++]->pbios = &biosmap[i];
- }
- }
- chg_nr = chgidx;
-
- /* sort change-point list by memory addresses (low -> high) */
- still_changing = 1;
- while (still_changing) {
- still_changing = 0;
- for (i = 1; i < chg_nr; i++) {
- unsigned long long curaddr, lastaddr;
- unsigned long long curpbaddr, lastpbaddr;
-
- curaddr = change_point[i]->addr;
- lastaddr = change_point[i - 1]->addr;
- curpbaddr = change_point[i]->pbios->addr;
- lastpbaddr = change_point[i - 1]->pbios->addr;
-
- /*
- * swap entries, when:
- *
- * curaddr > lastaddr or
- * curaddr == lastaddr and curaddr == curpbaddr and
- * lastaddr != lastpbaddr
- */
- if (curaddr < lastaddr ||
- (curaddr == lastaddr && curaddr == curpbaddr &&
- lastaddr != lastpbaddr)) {
- change_tmp = change_point[i];
- change_point[i] = change_point[i-1];
- change_point[i-1] = change_tmp;
- still_changing = 1;
- }
- }
- }
-
- /* create a new bios memory map, removing overlaps */
- overlap_entries = 0; /* number of entries in the overlap table */
- new_bios_entry = 0; /* index for creating new bios map entries */
- last_type = 0; /* start with undefined memory type */
- last_addr = 0; /* start with 0 as last starting address */
-
- /* loop through change-points, determining affect on the new bios map */
- for (chgidx = 0; chgidx < chg_nr; chgidx++) {
- /* keep track of all overlapping bios entries */
- if (change_point[chgidx]->addr ==
- change_point[chgidx]->pbios->addr) {
- /*
- * add map entry to overlap list (> 1 entry
- * implies an overlap)
- */
- overlap_list[overlap_entries++] =
- change_point[chgidx]->pbios;
- } else {
- /*
- * remove entry from list (order independent,
- * so swap with last)
- */
- for (i = 0; i < overlap_entries; i++) {
- if (overlap_list[i] ==
- change_point[chgidx]->pbios)
- overlap_list[i] =
- overlap_list[overlap_entries-1];
- }
- overlap_entries--;
- }
- /*
- * if there are overlapping entries, decide which
- * "type" to use (larger value takes precedence --
- * 1=usable, 2,3,4,4+=unusable)
- */
- current_type = 0;
- for (i = 0; i < overlap_entries; i++)
- if (overlap_list[i]->type > current_type)
- current_type = overlap_list[i]->type;
- /*
- * continue building up new bios map based on this
- * information
- */
- if (current_type != last_type) {
- if (last_type != 0) {
- new_bios[new_bios_entry].size =
- change_point[chgidx]->addr - last_addr;
- /*
- * move forward only if the new size
- * was non-zero
- */
- if (new_bios[new_bios_entry].size != 0)
- /*
- * no more space left for new
- * bios entries ?
- */
- if (++new_bios_entry >= E820MAX)
- break;
- }
- if (current_type != 0) {
- new_bios[new_bios_entry].addr =
- change_point[chgidx]->addr;
- new_bios[new_bios_entry].type = current_type;
- last_addr = change_point[chgidx]->addr;
- }
- last_type = current_type;
- }
- }
- /* retain count for new bios entries */
- new_nr = new_bios_entry;
-
- /* copy new bios mapping into original location */
- memcpy(biosmap, new_bios, new_nr * sizeof(struct e820entry));
- *pnr_map = new_nr;
-
- return 0;
-}
-
-/*
- * Copy the BIOS e820 map into a safe place.
- *
- * Sanity-check it while we're at it..
- *
- * If we're lucky and live on a modern system, the setup code
- * will have given us a memory map that we can use to properly
- * set up memory. If we aren't, we'll fake a memory map.
- */
-static int __init copy_e820_map(struct e820entry *biosmap, int nr_map)
-{
- /* Only one memory region (or negative)? Ignore it */
- if (nr_map < 2)
- return -1;
-
- do {
- u64 start = biosmap->addr;
- u64 size = biosmap->size;
- u64 end = start + size;
- u32 type = biosmap->type;
-
- /* Overflow in 64 bits? Ignore the memory map. */
- if (start > end)
- return -1;
-
- add_memory_region(start, size, type);
- } while (biosmap++, --nr_map);
- return 0;
-}
-
-static void early_panic(char *msg)
-{
- early_printk(msg);
- panic(msg);
-}
-
-/* We're not void only for x86 32-bit compat */
-char * __init machine_specific_memory_setup(void)
-{
- char *who = "BIOS-e820";
- /*
- * Try to copy the BIOS-supplied E820-map.
- *
- * Otherwise fake a memory map; one section from 0k->640k,
- * the next section from 1mb->appropriate_mem_k
- */
- sanitize_e820_map(boot_params.e820_map, &boot_params.e820_entries);
- if (copy_e820_map(boot_params.e820_map, boot_params.e820_entries) < 0)
- early_panic("Cannot find a valid memory map");
- printk(KERN_INFO "BIOS-provided physical RAM map:\n");
- e820_print_map(who);
-
- /* In case someone cares... */
- return who;
-}
-
-static int __init parse_memopt(char *p)
-{
- if (!p)
- return -EINVAL;
- end_user_pfn = memparse(p, &p);
- end_user_pfn >>= PAGE_SHIFT;
- return 0;
-}
-early_param("mem", parse_memopt);
-
-static int userdef __initdata;
-
-static int __init parse_memmap_opt(char *p)
-{
- char *oldp;
- unsigned long long start_at, mem_size;
-
- if (!strcmp(p, "exactmap")) {
-#ifdef CONFIG_CRASH_DUMP
- /*
- * If we are doing a crash dump, we still need to know
- * the real mem size before original memory map is
- * reset.
- */
- e820_register_active_regions(0, 0, -1UL);
- saved_max_pfn = e820_end_of_ram();
- remove_all_active_ranges();
-#endif
- max_pfn_mapped = 0;
- e820.nr_map = 0;
- userdef = 1;
- return 0;
- }
-
- oldp = p;
- mem_size = memparse(p, &p);
- if (p == oldp)
- return -EINVAL;
-
- userdef = 1;
- if (*p == '@') {
- start_at = memparse(p+1, &p);
- add_memory_region(start_at, mem_size, E820_RAM);
- } else if (*p == '#') {
- start_at = memparse(p+1, &p);
- add_memory_region(start_at, mem_size, E820_ACPI);
- } else if (*p == '$') {
- start_at = memparse(p+1, &p);
- add_memory_region(start_at, mem_size, E820_RESERVED);
- } else {
- end_user_pfn = (mem_size >> PAGE_SHIFT);
- }
- return *p == '\0' ? 0 : -EINVAL;
-}
-early_param("memmap", parse_memmap_opt);
-
-void __init finish_e820_parsing(void)
-{
- if (userdef) {
- char nr = e820.nr_map;
-
- if (sanitize_e820_map(e820.map, &nr) < 0)
- early_panic("Invalid user supplied memory map");
- e820.nr_map = nr;
-
- printk(KERN_INFO "user-defined physical RAM map:\n");
- e820_print_map("user");
- }
-}
-
-void __init update_memory_range(u64 start, u64 size, unsigned old_type,
- unsigned new_type)
-{
- int i;
-
- BUG_ON(old_type == new_type);
-
- for (i = 0; i < e820.nr_map; i++) {
- struct e820entry *ei = &e820.map[i];
- u64 final_start, final_end;
- if (ei->type != old_type)
- continue;
- /* totally covered? */
- if (ei->addr >= start && ei->size <= size) {
- ei->type = new_type;
- continue;
- }
- /* partially covered */
- final_start = max(start, ei->addr);
- final_end = min(start + size, ei->addr + ei->size);
- if (final_start >= final_end)
- continue;
- add_memory_region(final_start, final_end - final_start,
- new_type);
- }
-}
-
-void __init update_e820(void)
-{
- u8 nr_map;
-
- nr_map = e820.nr_map;
- if (sanitize_e820_map(e820.map, &nr_map))
- return;
- e820.nr_map = nr_map;
- printk(KERN_INFO "modified physical RAM map:\n");
- e820_print_map("modified");
-}
-
-unsigned long pci_mem_start = 0xaeedbabe;
-EXPORT_SYMBOL(pci_mem_start);
-
-/*
- * Search for the biggest gap in the low 32 bits of the e820
- * memory space. We pass this space to PCI to assign MMIO resources
- * for hotplug or unconfigured devices in.
- * Hopefully the BIOS let enough space left.
- */
-__init void e820_setup_gap(void)
-{
- unsigned long gapstart, gapsize, round;
- unsigned long last;
- int i;
- int found = 0;
-
- last = 0x100000000ull;
- gapstart = 0x10000000;
- gapsize = 0x400000;
- i = e820.nr_map;
- while (--i >= 0) {
- unsigned long long start = e820.map[i].addr;
- unsigned long long end = start + e820.map[i].size;
-
- /*
- * Since "last" is at most 4GB, we know we'll
- * fit in 32 bits if this condition is true
- */
- if (last > end) {
- unsigned long gap = last - end;
-
- if (gap > gapsize) {
- gapsize = gap;
- gapstart = end;
- found = 1;
- }
- }
- if (start < last)
- last = start;
- }
-
- if (!found) {
- gapstart = (end_pfn << PAGE_SHIFT) + 1024*1024;
- printk(KERN_ERR "PCI: Warning: Cannot find a gap in the 32bit "
- "address range\n"
- KERN_ERR "PCI: Unassigned devices with 32bit resource "
- "registers may break!\n");
- }
-
- /*
- * See how much we want to round up: start off with
- * rounding to the next 1MB area.
- */
- round = 0x100000;
- while ((gapsize >> 4) > round)
- round += round;
- /* Fun with two's complement */
- pci_mem_start = (gapstart + round) & -round;
-
- printk(KERN_INFO
- "Allocating PCI resources starting at %lx (gap: %lx:%lx)\n",
- pci_mem_start, gapstart, gapsize);
-}
-
-int __init arch_get_ram_range(int slot, u64 *addr, u64 *size)
-{
- int i;
-
- if (slot < 0 || slot >= e820.nr_map)
- return -1;
- for (i = slot; i < e820.nr_map; i++) {
- if (e820.map[i].type != E820_RAM)
- continue;
- break;
- }
- if (i == e820.nr_map || e820.map[i].addr > (max_pfn << PAGE_SHIFT))
- return -1;
- *addr = e820.map[i].addr;
- *size = min_t(u64, e820.map[i].size + e820.map[i].addr,
- max_pfn << PAGE_SHIFT) - *addr;
- return i + 1;
-}
diff --git a/arch/x86/kernel/early-quirks.c b/arch/x86/kernel/early-quirks.c
index 9f51e1ea9e8..a4665f37cfc 100644
--- a/arch/x86/kernel/early-quirks.c
+++ b/arch/x86/kernel/early-quirks.c
@@ -50,7 +50,7 @@ static void __init fix_hypertransport_config(int num, int slot, int func)
static void __init via_bugs(int num, int slot, int func)
{
#ifdef CONFIG_GART_IOMMU
- if ((end_pfn > MAX_DMA32_PFN || force_iommu) &&
+ if ((max_pfn > MAX_DMA32_PFN || force_iommu) &&
!gart_iommu_aperture_allowed) {
printk(KERN_INFO
"Looks like a VIA chipset. Disabling IOMMU."
@@ -98,17 +98,6 @@ static void __init nvidia_bugs(int num, int slot, int func)
}
-static void __init ati_bugs(int num, int slot, int func)
-{
-#ifdef CONFIG_X86_IO_APIC
- if (timer_over_8254 == 1) {
- timer_over_8254 = 0;
- printk(KERN_INFO
- "ATI board detected. Disabling timer routing over 8254.\n");
- }
-#endif
-}
-
#define QFLAG_APPLY_ONCE 0x1
#define QFLAG_APPLIED 0x2
#define QFLAG_DONE (QFLAG_APPLY_ONCE|QFLAG_APPLIED)
@@ -126,8 +115,6 @@ static struct chipset early_qrk[] __initdata = {
PCI_CLASS_BRIDGE_PCI, PCI_ANY_ID, QFLAG_APPLY_ONCE, nvidia_bugs },
{ PCI_VENDOR_ID_VIA, PCI_ANY_ID,
PCI_CLASS_BRIDGE_PCI, PCI_ANY_ID, QFLAG_APPLY_ONCE, via_bugs },
- { PCI_VENDOR_ID_ATI, PCI_ANY_ID,
- PCI_CLASS_BRIDGE_PCI, PCI_ANY_ID, QFLAG_APPLY_ONCE, ati_bugs },
{ PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_K8_NB,
PCI_CLASS_BRIDGE_HOST, PCI_ANY_ID, 0, fix_hypertransport_config },
{}
diff --git a/arch/x86/kernel/early_printk.c b/arch/x86/kernel/early_printk.c
index 643fd861b72..ff9e7350da5 100644
--- a/arch/x86/kernel/early_printk.c
+++ b/arch/x86/kernel/early_printk.c
@@ -196,7 +196,7 @@ static struct console simnow_console = {
static struct console *early_console = &early_vga_console;
static int early_console_initialized;
-void early_printk(const char *fmt, ...)
+asmlinkage void early_printk(const char *fmt, ...)
{
char buf[512];
int n;
diff --git a/arch/x86/kernel/efi.c b/arch/x86/kernel/efi.c
index 77d424cf68b..06cc8d4254b 100644
--- a/arch/x86/kernel/efi.c
+++ b/arch/x86/kernel/efi.c
@@ -64,6 +64,17 @@ static int __init setup_noefi(char *arg)
}
early_param("noefi", setup_noefi);
+int add_efi_memmap;
+EXPORT_SYMBOL(add_efi_memmap);
+
+static int __init setup_add_efi_memmap(char *arg)
+{
+ add_efi_memmap = 1;
+ return 0;
+}
+early_param("add_efi_memmap", setup_add_efi_memmap);
+
+
static efi_status_t virt_efi_get_time(efi_time_t *tm, efi_time_cap_t *tc)
{
return efi_call_virt2(get_time, tm, tc);
@@ -213,6 +224,50 @@ unsigned long efi_get_time(void)
eft.minute, eft.second);
}
+/*
+ * Tell the kernel about the EFI memory map. This might include
+ * more than the max 128 entries that can fit in the e820 legacy
+ * (zeropage) memory map.
+ */
+
+static void __init do_add_efi_memmap(void)
+{
+ void *p;
+
+ for (p = memmap.map; p < memmap.map_end; p += memmap.desc_size) {
+ efi_memory_desc_t *md = p;
+ unsigned long long start = md->phys_addr;
+ unsigned long long size = md->num_pages << EFI_PAGE_SHIFT;
+ int e820_type;
+
+ if (md->attribute & EFI_MEMORY_WB)
+ e820_type = E820_RAM;
+ else
+ e820_type = E820_RESERVED;
+ e820_add_region(start, size, e820_type);
+ }
+ sanitize_e820_map(e820.map, ARRAY_SIZE(e820.map), &e820.nr_map);
+}
+
+void __init efi_reserve_early(void)
+{
+ unsigned long pmap;
+
+#ifdef CONFIG_X86_32
+ pmap = boot_params.efi_info.efi_memmap;
+#else
+ pmap = (boot_params.efi_info.efi_memmap |
+ ((__u64)boot_params.efi_info.efi_memmap_hi<<32));
+#endif
+ memmap.phys_map = (void *)pmap;
+ memmap.nr_map = boot_params.efi_info.efi_memmap_size /
+ boot_params.efi_info.efi_memdesc_size;
+ memmap.desc_version = boot_params.efi_info.efi_memdesc_version;
+ memmap.desc_size = boot_params.efi_info.efi_memdesc_size;
+ reserve_early(pmap, pmap + memmap.nr_map * memmap.desc_size,
+ "EFI memmap");
+}
+
#if EFI_DEBUG
static void __init print_efi_memmap(void)
{
@@ -244,19 +299,11 @@ void __init efi_init(void)
#ifdef CONFIG_X86_32
efi_phys.systab = (efi_system_table_t *)boot_params.efi_info.efi_systab;
- memmap.phys_map = (void *)boot_params.efi_info.efi_memmap;
#else
efi_phys.systab = (efi_system_table_t *)
(boot_params.efi_info.efi_systab |
((__u64)boot_params.efi_info.efi_systab_hi<<32));
- memmap.phys_map = (void *)
- (boot_params.efi_info.efi_memmap |
- ((__u64)boot_params.efi_info.efi_memmap_hi<<32));
#endif
- memmap.nr_map = boot_params.efi_info.efi_memmap_size /
- boot_params.efi_info.efi_memdesc_size;
- memmap.desc_version = boot_params.efi_info.efi_memdesc_version;
- memmap.desc_size = boot_params.efi_info.efi_memdesc_size;
efi.systab = early_ioremap((unsigned long)efi_phys.systab,
sizeof(efi_system_table_t));
@@ -370,6 +417,8 @@ void __init efi_init(void)
if (memmap.desc_size != sizeof(efi_memory_desc_t))
printk(KERN_WARNING "Kernel-defined memdesc"
"doesn't match the one from EFI!\n");
+ if (add_efi_memmap)
+ do_add_efi_memmap();
/* Setup for EFI runtime service */
reboot_type = BOOT_EFI;
@@ -424,7 +473,7 @@ void __init efi_enter_virtual_mode(void)
size = md->num_pages << EFI_PAGE_SHIFT;
end = md->phys_addr + size;
- if (PFN_UP(end) <= max_pfn_mapped)
+ if (PFN_UP(end) <= max_low_pfn_mapped)
va = __va(md->phys_addr);
else
va = efi_ioremap(md->phys_addr, size);
diff --git a/arch/x86/kernel/efi_64.c b/arch/x86/kernel/efi_64.c
index d0060fdccca..652c5287215 100644
--- a/arch/x86/kernel/efi_64.c
+++ b/arch/x86/kernel/efi_64.c
@@ -97,13 +97,7 @@ void __init efi_call_phys_epilog(void)
early_runtime_code_mapping_set_exec(0);
}
-void __init efi_reserve_bootmem(void)
-{
- reserve_bootmem_generic((unsigned long)memmap.phys_map,
- memmap.nr_map * memmap.desc_size);
-}
-
-void __iomem * __init efi_ioremap(unsigned long phys_addr, unsigned long size)
+void __iomem *__init efi_ioremap(unsigned long phys_addr, unsigned long size)
{
static unsigned pages_mapped __initdata;
unsigned i, pages;
diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S
index c778e4fa55a..6bc07f0f120 100644
--- a/arch/x86/kernel/entry_32.S
+++ b/arch/x86/kernel/entry_32.S
@@ -51,14 +51,15 @@
#include <asm/percpu.h>
#include <asm/dwarf2.h>
#include <asm/processor-flags.h>
-#include "irq_vectors.h"
+#include <asm/ftrace.h>
+#include <asm/irq_vectors.h>
/*
* We use macros for low-level operations which need to be overridden
* for paravirtualization. The following will never clobber any registers:
* INTERRUPT_RETURN (aka. "iret")
* GET_CR0_INTO_EAX (aka. "movl %cr0, %eax")
- * ENABLE_INTERRUPTS_SYSCALL_RET (aka "sti; sysexit").
+ * ENABLE_INTERRUPTS_SYSEXIT (aka "sti; sysexit").
*
* For DISABLE_INTERRUPTS/ENABLE_INTERRUPTS (aka "cli"/"sti"), you must
* specify what registers can be overwritten (CLBR_NONE, CLBR_EAX/EDX/ECX/ANY).
@@ -349,7 +350,7 @@ sysenter_past_esp:
xorl %ebp,%ebp
TRACE_IRQS_ON
1: mov PT_FS(%esp), %fs
- ENABLE_INTERRUPTS_SYSCALL_RET
+ ENABLE_INTERRUPTS_SYSEXIT
CFI_ENDPROC
.pushsection .fixup,"ax"
2: movl $0,PT_FS(%esp)
@@ -874,10 +875,10 @@ ENTRY(native_iret)
.previous
END(native_iret)
-ENTRY(native_irq_enable_syscall_ret)
+ENTRY(native_irq_enable_sysexit)
sti
sysexit
-END(native_irq_enable_syscall_ret)
+END(native_irq_enable_sysexit)
#endif
KPROBE_ENTRY(int3)
@@ -1024,6 +1025,7 @@ ENTRY(xen_sysenter_target)
RING0_INT_FRAME
addl $5*4, %esp /* remove xen-provided frame */
jmp sysenter_past_esp
+ CFI_ENDPROC
ENTRY(xen_hypervisor_callback)
CFI_STARTPROC
@@ -1110,6 +1112,77 @@ ENDPROC(xen_failsafe_callback)
#endif /* CONFIG_XEN */
+#ifdef CONFIG_FTRACE
+#ifdef CONFIG_DYNAMIC_FTRACE
+
+ENTRY(mcount)
+ pushl %eax
+ pushl %ecx
+ pushl %edx
+ movl 0xc(%esp), %eax
+ subl $MCOUNT_INSN_SIZE, %eax
+
+.globl mcount_call
+mcount_call:
+ call ftrace_stub
+
+ popl %edx
+ popl %ecx
+ popl %eax
+
+ ret
+END(mcount)
+
+ENTRY(ftrace_caller)
+ pushl %eax
+ pushl %ecx
+ pushl %edx
+ movl 0xc(%esp), %eax
+ movl 0x4(%ebp), %edx
+ subl $MCOUNT_INSN_SIZE, %eax
+
+.globl ftrace_call
+ftrace_call:
+ call ftrace_stub
+
+ popl %edx
+ popl %ecx
+ popl %eax
+
+.globl ftrace_stub
+ftrace_stub:
+ ret
+END(ftrace_caller)
+
+#else /* ! CONFIG_DYNAMIC_FTRACE */
+
+ENTRY(mcount)
+ cmpl $ftrace_stub, ftrace_trace_function
+ jnz trace
+.globl ftrace_stub
+ftrace_stub:
+ ret
+
+ /* taken from glibc */
+trace:
+ pushl %eax
+ pushl %ecx
+ pushl %edx
+ movl 0xc(%esp), %eax
+ movl 0x4(%ebp), %edx
+ subl $MCOUNT_INSN_SIZE, %eax
+
+ call *ftrace_trace_function
+
+ popl %edx
+ popl %ecx
+ popl %eax
+
+ jmp ftrace_stub
+END(mcount)
+#endif /* CONFIG_DYNAMIC_FTRACE */
+#endif /* CONFIG_FTRACE */
+
.section .rodata,"a"
#include "syscall_table_32.S"
diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S
index 556a8df522a..ae63e584c34 100644
--- a/arch/x86/kernel/entry_64.S
+++ b/arch/x86/kernel/entry_64.S
@@ -51,16 +51,121 @@
#include <asm/page.h>
#include <asm/irqflags.h>
#include <asm/paravirt.h>
+#include <asm/ftrace.h>
.code64
+#ifdef CONFIG_FTRACE
+#ifdef CONFIG_DYNAMIC_FTRACE
+ENTRY(mcount)
+
+ subq $0x38, %rsp
+ movq %rax, (%rsp)
+ movq %rcx, 8(%rsp)
+ movq %rdx, 16(%rsp)
+ movq %rsi, 24(%rsp)
+ movq %rdi, 32(%rsp)
+ movq %r8, 40(%rsp)
+ movq %r9, 48(%rsp)
+
+ movq 0x38(%rsp), %rdi
+ subq $MCOUNT_INSN_SIZE, %rdi
+
+.globl mcount_call
+mcount_call:
+ call ftrace_stub
+
+ movq 48(%rsp), %r9
+ movq 40(%rsp), %r8
+ movq 32(%rsp), %rdi
+ movq 24(%rsp), %rsi
+ movq 16(%rsp), %rdx
+ movq 8(%rsp), %rcx
+ movq (%rsp), %rax
+ addq $0x38, %rsp
+
+ retq
+END(mcount)
+
+ENTRY(ftrace_caller)
+
+ /* taken from glibc */
+ subq $0x38, %rsp
+ movq %rax, (%rsp)
+ movq %rcx, 8(%rsp)
+ movq %rdx, 16(%rsp)
+ movq %rsi, 24(%rsp)
+ movq %rdi, 32(%rsp)
+ movq %r8, 40(%rsp)
+ movq %r9, 48(%rsp)
+
+ movq 0x38(%rsp), %rdi
+ movq 8(%rbp), %rsi
+ subq $MCOUNT_INSN_SIZE, %rdi
+
+.globl ftrace_call
+ftrace_call:
+ call ftrace_stub
+
+ movq 48(%rsp), %r9
+ movq 40(%rsp), %r8
+ movq 32(%rsp), %rdi
+ movq 24(%rsp), %rsi
+ movq 16(%rsp), %rdx
+ movq 8(%rsp), %rcx
+ movq (%rsp), %rax
+ addq $0x38, %rsp
+
+.globl ftrace_stub
+ftrace_stub:
+ retq
+END(ftrace_caller)
+
+#else /* ! CONFIG_DYNAMIC_FTRACE */
+ENTRY(mcount)
+ cmpq $ftrace_stub, ftrace_trace_function
+ jnz trace
+.globl ftrace_stub
+ftrace_stub:
+ retq
+
+trace:
+ /* taken from glibc */
+ subq $0x38, %rsp
+ movq %rax, (%rsp)
+ movq %rcx, 8(%rsp)
+ movq %rdx, 16(%rsp)
+ movq %rsi, 24(%rsp)
+ movq %rdi, 32(%rsp)
+ movq %r8, 40(%rsp)
+ movq %r9, 48(%rsp)
+
+ movq 0x38(%rsp), %rdi
+ movq 8(%rbp), %rsi
+ subq $MCOUNT_INSN_SIZE, %rdi
+
+ call *ftrace_trace_function
+
+ movq 48(%rsp), %r9
+ movq 40(%rsp), %r8
+ movq 32(%rsp), %rdi
+ movq 24(%rsp), %rsi
+ movq 16(%rsp), %rdx
+ movq 8(%rsp), %rcx
+ movq (%rsp), %rax
+ addq $0x38, %rsp
+
+ jmp ftrace_stub
+END(mcount)
+#endif /* CONFIG_DYNAMIC_FTRACE */
+#endif /* CONFIG_FTRACE */
+
#ifndef CONFIG_PREEMPT
#define retint_kernel retint_restore_args
#endif
#ifdef CONFIG_PARAVIRT
-ENTRY(native_irq_enable_syscall_ret)
- movq %gs:pda_oldrsp,%rsp
+ENTRY(native_usergs_sysret64)
swapgs
sysretq
#endif /* CONFIG_PARAVIRT */
@@ -104,7 +209,7 @@ ENTRY(native_irq_enable_syscall_ret)
.macro FAKE_STACK_FRAME child_rip
/* push in order ss, rsp, eflags, cs, rip */
xorl %eax, %eax
- pushq %rax /* ss */
+ pushq $__KERNEL_DS /* ss */
CFI_ADJUST_CFA_OFFSET 8
/*CFI_REL_OFFSET ss,0*/
pushq %rax /* rsp */
@@ -169,13 +274,13 @@ ENTRY(ret_from_fork)
CFI_ADJUST_CFA_OFFSET -4
call schedule_tail
GET_THREAD_INFO(%rcx)
- testl $(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT),threadinfo_flags(%rcx)
+ testl $(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT),TI_flags(%rcx)
jnz rff_trace
rff_action:
RESTORE_REST
testl $3,CS-ARGOFFSET(%rsp) # from kernel_thread?
je int_ret_from_sys_call
- testl $_TIF_IA32,threadinfo_flags(%rcx)
+ testl $_TIF_IA32,TI_flags(%rcx)
jnz int_ret_from_sys_call
RESTORE_TOP_OF_STACK %rdi,ARGOFFSET
jmp ret_from_sys_call
@@ -244,7 +349,8 @@ ENTRY(system_call_after_swapgs)
movq %rcx,RIP-ARGOFFSET(%rsp)
CFI_REL_OFFSET rip,RIP-ARGOFFSET
GET_THREAD_INFO(%rcx)
- testl $(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SECCOMP),threadinfo_flags(%rcx)
+ testl $(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SECCOMP), \
+ TI_flags(%rcx)
jnz tracesys
cmpq $__NR_syscall_max,%rax
ja badsys
@@ -263,7 +369,7 @@ sysret_check:
GET_THREAD_INFO(%rcx)
DISABLE_INTERRUPTS(CLBR_NONE)
TRACE_IRQS_OFF
- movl threadinfo_flags(%rcx),%edx
+ movl TI_flags(%rcx),%edx
andl %edi,%edx
jnz sysret_careful
CFI_REMEMBER_STATE
@@ -275,7 +381,8 @@ sysret_check:
CFI_REGISTER rip,rcx
RESTORE_ARGS 0,-ARG_SKIP,1
/*CFI_REGISTER rflags,r11*/
- ENABLE_INTERRUPTS_SYSCALL_RET
+ movq %gs:pda_oldrsp, %rsp
+ USERGS_SYSRET64
CFI_RESTORE_STATE
/* Handle reschedules */
@@ -305,7 +412,7 @@ sysret_signal:
leaq -ARGOFFSET(%rsp),%rdi # &pt_regs -> arg1
xorl %esi,%esi # oldset -> arg2
call ptregscall_common
-1: movl $_TIF_NEED_RESCHED,%edi
+1: movl $_TIF_WORK_MASK,%edi
/* Use IRET because user could have changed frame. This
works because ptregscall_common has called FIXUP_TOP_OF_STACK. */
DISABLE_INTERRUPTS(CLBR_NONE)
@@ -347,10 +454,10 @@ int_ret_from_sys_call:
int_with_check:
LOCKDEP_SYS_EXIT_IRQ
GET_THREAD_INFO(%rcx)
- movl threadinfo_flags(%rcx),%edx
+ movl TI_flags(%rcx),%edx
andl %edi,%edx
jnz int_careful
- andl $~TS_COMPAT,threadinfo_status(%rcx)
+ andl $~TS_COMPAT,TI_status(%rcx)
jmp retint_swapgs
/* Either reschedule or signal or syscall exit tracking needed. */
@@ -393,7 +500,7 @@ int_signal:
movq %rsp,%rdi # &ptregs -> arg1
xorl %esi,%esi # oldset -> arg2
call do_notify_resume
-1: movl $_TIF_NEED_RESCHED,%edi
+1: movl $_TIF_WORK_MASK,%edi
int_restore_rest:
RESTORE_REST
DISABLE_INTERRUPTS(CLBR_NONE)
@@ -420,7 +527,6 @@ END(\label)
PTREGSCALL stub_clone, sys_clone, %r8
PTREGSCALL stub_fork, sys_fork, %rdi
PTREGSCALL stub_vfork, sys_vfork, %rdi
- PTREGSCALL stub_rt_sigsuspend, sys_rt_sigsuspend, %rdx
PTREGSCALL stub_sigaltstack, sys_sigaltstack, %rdx
PTREGSCALL stub_iopl, sys_iopl, %rsi
@@ -559,7 +665,7 @@ retint_with_reschedule:
movl $_TIF_WORK_MASK,%edi
retint_check:
LOCKDEP_SYS_EXIT_IRQ
- movl threadinfo_flags(%rcx),%edx
+ movl TI_flags(%rcx),%edx
andl %edi,%edx
CFI_REMEMBER_STATE
jnz retint_careful
@@ -647,17 +753,16 @@ retint_signal:
RESTORE_REST
DISABLE_INTERRUPTS(CLBR_NONE)
TRACE_IRQS_OFF
- movl $_TIF_NEED_RESCHED,%edi
GET_THREAD_INFO(%rcx)
- jmp retint_check
+ jmp retint_with_reschedule
#ifdef CONFIG_PREEMPT
/* Returning to kernel space. Check if we need preemption */
/* rcx: threadinfo. interrupts off. */
ENTRY(retint_kernel)
- cmpl $0,threadinfo_preempt_count(%rcx)
+ cmpl $0,TI_preempt_count(%rcx)
jnz retint_restore_args
- bt $TIF_NEED_RESCHED,threadinfo_flags(%rcx)
+ bt $TIF_NEED_RESCHED,TI_flags(%rcx)
jnc retint_restore_args
bt $9,EFLAGS-ARGOFFSET(%rsp) /* interrupts off? */
jnc retint_restore_args
@@ -711,6 +816,9 @@ END(invalidate_interrupt\num)
ENTRY(call_function_interrupt)
apicinterrupt CALL_FUNCTION_VECTOR,smp_call_function_interrupt
END(call_function_interrupt)
+ENTRY(call_function_single_interrupt)
+ apicinterrupt CALL_FUNCTION_SINGLE_VECTOR,smp_call_function_single_interrupt
+END(call_function_single_interrupt)
ENTRY(irq_move_cleanup_interrupt)
apicinterrupt IRQ_MOVE_CLEANUP_VECTOR,smp_irq_move_cleanup_interrupt
END(irq_move_cleanup_interrupt)
@@ -720,6 +828,10 @@ ENTRY(apic_timer_interrupt)
apicinterrupt LOCAL_TIMER_VECTOR,smp_apic_timer_interrupt
END(apic_timer_interrupt)
+ENTRY(uv_bau_message_intr1)
+ apicinterrupt 220,uv_bau_message_interrupt
+END(uv_bau_message_intr1)
+
ENTRY(error_interrupt)
apicinterrupt ERROR_APIC_VECTOR,smp_error_interrupt
END(error_interrupt)
@@ -733,6 +845,7 @@ END(spurious_interrupt)
*/
.macro zeroentry sym
INTR_FRAME
+ PARAVIRT_ADJUST_EXCEPTION_FRAME
pushq $0 /* push error code/oldrax */
CFI_ADJUST_CFA_OFFSET 8
pushq %rax /* push real oldrax to the rdi slot */
@@ -745,6 +858,7 @@ END(spurious_interrupt)
.macro errorentry sym
XCPT_FRAME
+ PARAVIRT_ADJUST_EXCEPTION_FRAME
pushq %rax
CFI_ADJUST_CFA_OFFSET 8
CFI_REL_OFFSET rax,0
@@ -814,7 +928,7 @@ paranoid_restore\trace:
jmp irq_return
paranoid_userspace\trace:
GET_THREAD_INFO(%rcx)
- movl threadinfo_flags(%rcx),%ebx
+ movl TI_flags(%rcx),%ebx
andl $_TIF_WORK_MASK,%ebx
jz paranoid_swapgs\trace
movq %rsp,%rdi /* &pt_regs */
@@ -912,7 +1026,7 @@ error_exit:
testl %eax,%eax
jne retint_kernel
LOCKDEP_SYS_EXIT_IRQ
- movl threadinfo_flags(%rcx),%edx
+ movl TI_flags(%rcx),%edx
movl $_TIF_WORK_MASK,%edi
andl %edi,%edx
jnz retint_careful
@@ -926,11 +1040,11 @@ error_kernelspace:
iret run with kernel gs again, so don't set the user space flag.
B stepping K8s sometimes report an truncated RIP for IRET
exceptions returning to compat mode. Check for these here too. */
- leaq irq_return(%rip),%rbp
- cmpq %rbp,RIP(%rsp)
+ leaq irq_return(%rip),%rcx
+ cmpq %rcx,RIP(%rsp)
je error_swapgs
- movl %ebp,%ebp /* zero extend */
- cmpq %rbp,RIP(%rsp)
+ movl %ecx,%ecx /* zero extend */
+ cmpq %rcx,RIP(%rsp)
je error_swapgs
cmpq $gs_change,RIP(%rsp)
je error_swapgs
@@ -939,7 +1053,7 @@ KPROBE_END(error_entry)
/* Reload gs selector with exception handling */
/* edi: new selector */
-ENTRY(load_gs_index)
+ENTRY(native_load_gs_index)
CFI_STARTPROC
pushf
CFI_ADJUST_CFA_OFFSET 8
@@ -953,7 +1067,7 @@ gs_change:
CFI_ADJUST_CFA_OFFSET -8
ret
CFI_ENDPROC
-ENDPROC(load_gs_index)
+ENDPROC(native_load_gs_index)
.section __ex_table,"a"
.align 8
@@ -1120,10 +1234,6 @@ ENTRY(coprocessor_segment_overrun)
zeroentry do_coprocessor_segment_overrun
END(coprocessor_segment_overrun)
-ENTRY(reserved)
- zeroentry do_reserved
-END(reserved)
-
/* runs on exception stack */
ENTRY(double_fault)
XCPT_FRAME
diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c
new file mode 100644
index 00000000000..ab115cd15fd
--- /dev/null
+++ b/arch/x86/kernel/ftrace.c
@@ -0,0 +1,141 @@
+/*
+ * Code for replacing ftrace calls with jumps.
+ *
+ * Copyright (C) 2007-2008 Steven Rostedt <srostedt@redhat.com>
+ *
+ * Thanks goes to Ingo Molnar, for suggesting the idea.
+ * Mathieu Desnoyers, for suggesting postponing the modifications.
+ * Arjan van de Ven, for keeping me straight, and explaining to me
+ * the dangers of modifying code on the run.
+ */
+
+#include <linux/spinlock.h>
+#include <linux/hardirq.h>
+#include <linux/ftrace.h>
+#include <linux/percpu.h>
+#include <linux/init.h>
+#include <linux/list.h>
+
+#include <asm/alternative.h>
+#include <asm/ftrace.h>
+
+
+/* Long is fine, even if it is only 4 bytes ;-) */
+static long *ftrace_nop;
+
+union ftrace_code_union {
+ char code[MCOUNT_INSN_SIZE];
+ struct {
+ char e8;
+ int offset;
+ } __attribute__((packed));
+};
+
+
+static int notrace ftrace_calc_offset(long ip, long addr)
+{
+ return (int)(addr - ip);
+}
+
+notrace unsigned char *ftrace_nop_replace(void)
+{
+ return (char *)ftrace_nop;
+}
+
+notrace unsigned char *ftrace_call_replace(unsigned long ip, unsigned long addr)
+{
+ static union ftrace_code_union calc;
+
+ calc.e8 = 0xe8;
+ calc.offset = ftrace_calc_offset(ip + MCOUNT_INSN_SIZE, addr);
+
+ /*
+ * No locking needed, this must be called via kstop_machine
+ * which in essence is like running on a uniprocessor machine.
+ */
+ return calc.code;
+}
+
+notrace int
+ftrace_modify_code(unsigned long ip, unsigned char *old_code,
+ unsigned char *new_code)
+{
+ unsigned replaced;
+ unsigned old = *(unsigned *)old_code; /* 4 bytes */
+ unsigned new = *(unsigned *)new_code; /* 4 bytes */
+ unsigned char newch = new_code[4];
+ int faulted = 0;
+
+ /*
+ * Note: Due to modules and __init, code can
+ * disappear and change, we need to protect against faulting
+ * as well as code changing.
+ *
+ * No real locking needed, this code is run through
+ * kstop_machine.
+ */
+ asm volatile (
+ "1: lock\n"
+ " cmpxchg %3, (%2)\n"
+ " jnz 2f\n"
+ " movb %b4, 4(%2)\n"
+ "2:\n"
+ ".section .fixup, \"ax\"\n"
+ "3: movl $1, %0\n"
+ " jmp 2b\n"
+ ".previous\n"
+ _ASM_EXTABLE(1b, 3b)
+ : "=r"(faulted), "=a"(replaced)
+ : "r"(ip), "r"(new), "c"(newch),
+ "0"(faulted), "a"(old)
+ : "memory");
+ sync_core();
+
+ if (replaced != old && replaced != new)
+ faulted = 2;
+
+ return faulted;
+}
+
+notrace int ftrace_update_ftrace_func(ftrace_func_t func)
+{
+ unsigned long ip = (unsigned long)(&ftrace_call);
+ unsigned char old[MCOUNT_INSN_SIZE], *new;
+ int ret;
+
+ memcpy(old, &ftrace_call, MCOUNT_INSN_SIZE);
+ new = ftrace_call_replace(ip, (unsigned long)func);
+ ret = ftrace_modify_code(ip, old, new);
+
+ return ret;
+}
+
+notrace int ftrace_mcount_set(unsigned long *data)
+{
+ unsigned long ip = (long)(&mcount_call);
+ unsigned long *addr = data;
+ unsigned char old[MCOUNT_INSN_SIZE], *new;
+
+ /*
+ * Replace the mcount stub with a pointer to the
+ * ip recorder function.
+ */
+ memcpy(old, &mcount_call, MCOUNT_INSN_SIZE);
+ new = ftrace_call_replace(ip, *addr);
+ *addr = ftrace_modify_code(ip, old, new);
+
+ return 0;
+}
+
+int __init ftrace_dyn_arch_init(void *data)
+{
+ const unsigned char *const *noptable = find_nop_table();
+
+ /* This is running in kstop_machine */
+
+ ftrace_mcount_set(data);
+
+ ftrace_nop = (unsigned long *)noptable[MCOUNT_INSN_SIZE];
+
+ return 0;
+}
diff --git a/arch/x86/kernel/genapic_64.c b/arch/x86/kernel/genapic_64.c
index cbaaf69bedb..1fa8be5bd21 100644
--- a/arch/x86/kernel/genapic_64.c
+++ b/arch/x86/kernel/genapic_64.c
@@ -51,7 +51,7 @@ void __init setup_apic_routing(void)
else
#endif
- if (num_possible_cpus() <= 8)
+ if (max_physical_apicid < 8)
genapic = &apic_flat;
else
genapic = &apic_physflat;
diff --git a/arch/x86/kernel/genx2apic_uv_x.c b/arch/x86/kernel/genx2apic_uv_x.c
index ebf13908a74..711f11c30b0 100644
--- a/arch/x86/kernel/genx2apic_uv_x.c
+++ b/arch/x86/kernel/genx2apic_uv_x.c
@@ -5,9 +5,10 @@
*
* SGI UV APIC functions (note: not an Intel compatible APIC)
*
- * Copyright (C) 2007 Silicon Graphics, Inc. All rights reserved.
+ * Copyright (C) 2007-2008 Silicon Graphics, Inc. All rights reserved.
*/
+#include <linux/kernel.h>
#include <linux/threads.h>
#include <linux/cpumask.h>
#include <linux/string.h>
@@ -20,6 +21,7 @@
#include <asm/smp.h>
#include <asm/ipi.h>
#include <asm/genapic.h>
+#include <asm/pgtable.h>
#include <asm/uv/uv_mmrs.h>
#include <asm/uv/uv_hub.h>
@@ -55,37 +57,37 @@ static cpumask_t uv_vector_allocation_domain(int cpu)
int uv_wakeup_secondary(int phys_apicid, unsigned int start_rip)
{
unsigned long val;
- int nasid;
+ int pnode;
- nasid = uv_apicid_to_nasid(phys_apicid);
+ pnode = uv_apicid_to_pnode(phys_apicid);
val = (1UL << UVH_IPI_INT_SEND_SHFT) |
(phys_apicid << UVH_IPI_INT_APIC_ID_SHFT) |
(((long)start_rip << UVH_IPI_INT_VECTOR_SHFT) >> 12) |
APIC_DM_INIT;
- uv_write_global_mmr64(nasid, UVH_IPI_INT, val);
+ uv_write_global_mmr64(pnode, UVH_IPI_INT, val);
mdelay(10);
val = (1UL << UVH_IPI_INT_SEND_SHFT) |
(phys_apicid << UVH_IPI_INT_APIC_ID_SHFT) |
(((long)start_rip << UVH_IPI_INT_VECTOR_SHFT) >> 12) |
APIC_DM_STARTUP;
- uv_write_global_mmr64(nasid, UVH_IPI_INT, val);
+ uv_write_global_mmr64(pnode, UVH_IPI_INT, val);
return 0;
}
static void uv_send_IPI_one(int cpu, int vector)
{
unsigned long val, apicid, lapicid;
- int nasid;
+ int pnode;
apicid = per_cpu(x86_cpu_to_apicid, cpu); /* ZZZ - cache node-local ? */
lapicid = apicid & 0x3f; /* ZZZ macro needed */
- nasid = uv_apicid_to_nasid(apicid);
+ pnode = uv_apicid_to_pnode(apicid);
val =
(1UL << UVH_IPI_INT_SEND_SHFT) | (lapicid <<
UVH_IPI_INT_APIC_ID_SHFT) |
(vector << UVH_IPI_INT_VECTOR_SHFT);
- uv_write_global_mmr64(nasid, UVH_IPI_INT, val);
+ uv_write_global_mmr64(pnode, UVH_IPI_INT, val);
}
static void uv_send_IPI_mask(cpumask_t mask, int vector)
@@ -159,39 +161,146 @@ struct genapic apic_x2apic_uv_x = {
.phys_pkg_id = phys_pkg_id, /* Fixme ZZZ */
};
-static __cpuinit void set_x2apic_extra_bits(int nasid)
+static __cpuinit void set_x2apic_extra_bits(int pnode)
{
- __get_cpu_var(x2apic_extra_bits) = ((nasid >> 1) << 6);
+ __get_cpu_var(x2apic_extra_bits) = (pnode << 6);
}
/*
* Called on boot cpu.
*/
+static __init int boot_pnode_to_blade(int pnode)
+{
+ int blade;
+
+ for (blade = 0; blade < uv_num_possible_blades(); blade++)
+ if (pnode == uv_blade_info[blade].pnode)
+ return blade;
+ BUG();
+}
+
+struct redir_addr {
+ unsigned long redirect;
+ unsigned long alias;
+};
+
+#define DEST_SHIFT UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_0_MMR_DEST_BASE_SHFT
+
+static __initdata struct redir_addr redir_addrs[] = {
+ {UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_0_MMR, UVH_SI_ALIAS0_OVERLAY_CONFIG},
+ {UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_1_MMR, UVH_SI_ALIAS1_OVERLAY_CONFIG},
+ {UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_2_MMR, UVH_SI_ALIAS2_OVERLAY_CONFIG},
+};
+
+static __init void get_lowmem_redirect(unsigned long *base, unsigned long *size)
+{
+ union uvh_si_alias0_overlay_config_u alias;
+ union uvh_rh_gam_alias210_redirect_config_2_mmr_u redirect;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(redir_addrs); i++) {
+ alias.v = uv_read_local_mmr(redir_addrs[i].alias);
+ if (alias.s.base == 0) {
+ *size = (1UL << alias.s.m_alias);
+ redirect.v = uv_read_local_mmr(redir_addrs[i].redirect);
+ *base = (unsigned long)redirect.s.dest_base << DEST_SHIFT;
+ return;
+ }
+ }
+ BUG();
+}
+
+static __init void map_low_mmrs(void)
+{
+ init_extra_mapping_uc(UV_GLOBAL_MMR32_BASE, UV_GLOBAL_MMR32_SIZE);
+ init_extra_mapping_uc(UV_LOCAL_MMR_BASE, UV_LOCAL_MMR_SIZE);
+}
+
+enum map_type {map_wb, map_uc};
+
+static void map_high(char *id, unsigned long base, int shift, enum map_type map_type)
+{
+ unsigned long bytes, paddr;
+
+ paddr = base << shift;
+ bytes = (1UL << shift);
+ printk(KERN_INFO "UV: Map %s_HI 0x%lx - 0x%lx\n", id, paddr,
+ paddr + bytes);
+ if (map_type == map_uc)
+ init_extra_mapping_uc(paddr, bytes);
+ else
+ init_extra_mapping_wb(paddr, bytes);
+
+}
+static __init void map_gru_high(int max_pnode)
+{
+ union uvh_rh_gam_gru_overlay_config_mmr_u gru;
+ int shift = UVH_RH_GAM_GRU_OVERLAY_CONFIG_MMR_BASE_SHFT;
+
+ gru.v = uv_read_local_mmr(UVH_RH_GAM_GRU_OVERLAY_CONFIG_MMR);
+ if (gru.s.enable)
+ map_high("GRU", gru.s.base, shift, map_wb);
+}
+
+static __init void map_config_high(int max_pnode)
+{
+ union uvh_rh_gam_cfg_overlay_config_mmr_u cfg;
+ int shift = UVH_RH_GAM_CFG_OVERLAY_CONFIG_MMR_BASE_SHFT;
+
+ cfg.v = uv_read_local_mmr(UVH_RH_GAM_CFG_OVERLAY_CONFIG_MMR);
+ if (cfg.s.enable)
+ map_high("CONFIG", cfg.s.base, shift, map_uc);
+}
+
+static __init void map_mmr_high(int max_pnode)
+{
+ union uvh_rh_gam_mmr_overlay_config_mmr_u mmr;
+ int shift = UVH_RH_GAM_MMR_OVERLAY_CONFIG_MMR_BASE_SHFT;
+
+ mmr.v = uv_read_local_mmr(UVH_RH_GAM_MMR_OVERLAY_CONFIG_MMR);
+ if (mmr.s.enable)
+ map_high("MMR", mmr.s.base, shift, map_uc);
+}
+
+static __init void map_mmioh_high(int max_pnode)
+{
+ union uvh_rh_gam_mmioh_overlay_config_mmr_u mmioh;
+ int shift = UVH_RH_GAM_MMIOH_OVERLAY_CONFIG_MMR_BASE_SHFT;
+
+ mmioh.v = uv_read_local_mmr(UVH_RH_GAM_MMIOH_OVERLAY_CONFIG_MMR);
+ if (mmioh.s.enable)
+ map_high("MMIOH", mmioh.s.base, shift, map_uc);
+}
+
static __init void uv_system_init(void)
{
union uvh_si_addr_map_config_u m_n_config;
- int bytes, nid, cpu, lcpu, nasid, last_nasid, blade;
- unsigned long mmr_base;
+ union uvh_node_id_u node_id;
+ unsigned long gnode_upper, lowmem_redir_base, lowmem_redir_size;
+ int bytes, nid, cpu, lcpu, pnode, blade, i, j, m_val, n_val;
+ int max_pnode = 0;
+ unsigned long mmr_base, present;
+
+ map_low_mmrs();
m_n_config.v = uv_read_local_mmr(UVH_SI_ADDR_MAP_CONFIG);
+ m_val = m_n_config.s.m_skt;
+ n_val = m_n_config.s.n_skt;
mmr_base =
uv_read_local_mmr(UVH_RH_GAM_MMR_OVERLAY_CONFIG_MMR) &
~UV_MMR_ENABLE;
printk(KERN_DEBUG "UV: global MMR base 0x%lx\n", mmr_base);
- last_nasid = -1;
- for_each_possible_cpu(cpu) {
- nid = cpu_to_node(cpu);
- nasid = uv_apicid_to_nasid(per_cpu(x86_cpu_to_apicid, cpu));
- if (nasid != last_nasid)
- uv_possible_blades++;
- last_nasid = nasid;
- }
+ for(i = 0; i < UVH_NODE_PRESENT_TABLE_DEPTH; i++)
+ uv_possible_blades +=
+ hweight64(uv_read_local_mmr( UVH_NODE_PRESENT_TABLE + i * 8));
printk(KERN_DEBUG "UV: Found %d blades\n", uv_num_possible_blades());
bytes = sizeof(struct uv_blade_info) * uv_num_possible_blades();
uv_blade_info = alloc_bootmem_pages(bytes);
+ get_lowmem_redirect(&lowmem_redir_base, &lowmem_redir_size);
+
bytes = sizeof(uv_node_to_blade[0]) * num_possible_nodes();
uv_node_to_blade = alloc_bootmem_pages(bytes);
memset(uv_node_to_blade, 255, bytes);
@@ -200,43 +309,62 @@ static __init void uv_system_init(void)
uv_cpu_to_blade = alloc_bootmem_pages(bytes);
memset(uv_cpu_to_blade, 255, bytes);
- last_nasid = -1;
- blade = -1;
- lcpu = -1;
- for_each_possible_cpu(cpu) {
- nid = cpu_to_node(cpu);
- nasid = uv_apicid_to_nasid(per_cpu(x86_cpu_to_apicid, cpu));
- if (nasid != last_nasid) {
- blade++;
- lcpu = -1;
- uv_blade_info[blade].nr_posible_cpus = 0;
+ blade = 0;
+ for (i = 0; i < UVH_NODE_PRESENT_TABLE_DEPTH; i++) {
+ present = uv_read_local_mmr(UVH_NODE_PRESENT_TABLE + i * 8);
+ for (j = 0; j < 64; j++) {
+ if (!test_bit(j, &present))
+ continue;
+ uv_blade_info[blade].pnode = (i * 64 + j);
+ uv_blade_info[blade].nr_possible_cpus = 0;
uv_blade_info[blade].nr_online_cpus = 0;
+ blade++;
}
- last_nasid = nasid;
- lcpu++;
+ }
- uv_cpu_hub_info(cpu)->m_val = m_n_config.s.m_skt;
- uv_cpu_hub_info(cpu)->n_val = m_n_config.s.n_skt;
+ node_id.v = uv_read_local_mmr(UVH_NODE_ID);
+ gnode_upper = (((unsigned long)node_id.s.node_id) &
+ ~((1 << n_val) - 1)) << m_val;
+
+ for_each_present_cpu(cpu) {
+ nid = cpu_to_node(cpu);
+ pnode = uv_apicid_to_pnode(per_cpu(x86_cpu_to_apicid, cpu));
+ blade = boot_pnode_to_blade(pnode);
+ lcpu = uv_blade_info[blade].nr_possible_cpus;
+ uv_blade_info[blade].nr_possible_cpus++;
+
+ uv_cpu_hub_info(cpu)->lowmem_remap_base = lowmem_redir_base;
+ uv_cpu_hub_info(cpu)->lowmem_remap_top =
+ lowmem_redir_base + lowmem_redir_size;
+ uv_cpu_hub_info(cpu)->m_val = m_val;
+ uv_cpu_hub_info(cpu)->n_val = m_val;
uv_cpu_hub_info(cpu)->numa_blade_id = blade;
uv_cpu_hub_info(cpu)->blade_processor_id = lcpu;
- uv_cpu_hub_info(cpu)->local_nasid = nasid;
- uv_cpu_hub_info(cpu)->gnode_upper =
- nasid & ~((1 << uv_hub_info->n_val) - 1);
+ uv_cpu_hub_info(cpu)->pnode = pnode;
+ uv_cpu_hub_info(cpu)->pnode_mask = (1 << n_val) - 1;
+ uv_cpu_hub_info(cpu)->gpa_mask = (1 << (m_val + n_val)) - 1;
+ uv_cpu_hub_info(cpu)->gnode_upper = gnode_upper;
uv_cpu_hub_info(cpu)->global_mmr_base = mmr_base;
uv_cpu_hub_info(cpu)->coherency_domain_number = 0;/* ZZZ */
- uv_blade_info[blade].nasid = nasid;
- uv_blade_info[blade].nr_posible_cpus++;
uv_node_to_blade[nid] = blade;
uv_cpu_to_blade[cpu] = blade;
+ max_pnode = max(pnode, max_pnode);
- printk(KERN_DEBUG "UV cpu %d, apicid 0x%x, nasid %d, nid %d\n",
- cpu, per_cpu(x86_cpu_to_apicid, cpu), nasid, nid);
- printk(KERN_DEBUG "UV lcpu %d, blade %d\n", lcpu, blade);
+ printk(KERN_DEBUG "UV: cpu %d, apicid 0x%x, pnode %d, nid %d, "
+ "lcpu %d, blade %d\n",
+ cpu, per_cpu(x86_cpu_to_apicid, cpu), pnode, nid,
+ lcpu, blade);
}
+
+ map_gru_high(max_pnode);
+ map_mmr_high(max_pnode);
+ map_config_high(max_pnode);
+ map_mmioh_high(max_pnode);
}
/*
* Called on each cpu to initialize the per_cpu UV data area.
+ * ZZZ hotplug not supported yet
*/
void __cpuinit uv_cpu_init(void)
{
@@ -246,5 +374,5 @@ void __cpuinit uv_cpu_init(void)
uv_blade_info[uv_numa_blade_id()].nr_online_cpus++;
if (get_uv_system_type() == UV_NON_UNIQUE_APIC)
- set_x2apic_extra_bits(uv_hub_info->local_nasid);
+ set_x2apic_extra_bits(uv_hub_info->pnode);
}
diff --git a/arch/x86/kernel/head.c b/arch/x86/kernel/head.c
new file mode 100644
index 00000000000..3e66bd364a9
--- /dev/null
+++ b/arch/x86/kernel/head.c
@@ -0,0 +1,55 @@
+#include <linux/kernel.h>
+#include <linux/init.h>
+
+#include <asm/setup.h>
+#include <asm/bios_ebda.h>
+
+#define BIOS_LOWMEM_KILOBYTES 0x413
+
+/*
+ * The BIOS places the EBDA/XBDA at the top of conventional
+ * memory, and usually decreases the reported amount of
+ * conventional memory (int 0x12) too. This also contains a
+ * workaround for Dell systems that neglect to reserve EBDA.
+ * The same workaround also avoids a problem with the AMD768MPX
+ * chipset: reserve a page before VGA to prevent PCI prefetch
+ * into it (errata #56). Usually the page is reserved anyways,
+ * unless you have no PS/2 mouse plugged in.
+ */
+void __init reserve_ebda_region(void)
+{
+ unsigned int lowmem, ebda_addr;
+
+ /* To determine the position of the EBDA and the */
+ /* end of conventional memory, we need to look at */
+ /* the BIOS data area. In a paravirtual environment */
+ /* that area is absent. We'll just have to assume */
+ /* that the paravirt case can handle memory setup */
+ /* correctly, without our help. */
+ if (paravirt_enabled())
+ return;
+
+ /* end of low (conventional) memory */
+ lowmem = *(unsigned short *)__va(BIOS_LOWMEM_KILOBYTES);
+ lowmem <<= 10;
+
+ /* start of EBDA area */
+ ebda_addr = get_bios_ebda();
+
+ /* Fixup: bios puts an EBDA in the top 64K segment */
+ /* of conventional memory, but does not adjust lowmem. */
+ if ((lowmem - ebda_addr) <= 0x10000)
+ lowmem = ebda_addr;
+
+ /* Fixup: bios does not report an EBDA at all. */
+ /* Some old Dells seem to need 4k anyhow (bugzilla 2990) */
+ if ((ebda_addr == 0) && (lowmem >= 0x9f000))
+ lowmem = 0x9f000;
+
+ /* Paranoia: should never happen, but... */
+ if ((lowmem == 0) || (lowmem >= 0x100000))
+ lowmem = 0x9f000;
+
+ /* reserve all memory between lowmem and the 1MB mark */
+ reserve_early_overlap_ok(lowmem, 0x100000, "BIOS reserved");
+}
diff --git a/arch/x86/kernel/head32.c b/arch/x86/kernel/head32.c
index 3db05905892..fa1d25dd83e 100644
--- a/arch/x86/kernel/head32.c
+++ b/arch/x86/kernel/head32.c
@@ -8,7 +8,34 @@
#include <linux/init.h>
#include <linux/start_kernel.h>
+#include <asm/setup.h>
+#include <asm/sections.h>
+#include <asm/e820.h>
+#include <asm/bios_ebda.h>
+
void __init i386_start_kernel(void)
{
+ reserve_early(__pa_symbol(&_text), __pa_symbol(&_end), "TEXT DATA BSS");
+
+#ifdef CONFIG_BLK_DEV_INITRD
+ /* Reserve INITRD */
+ if (boot_params.hdr.type_of_loader && boot_params.hdr.ramdisk_image) {
+ u64 ramdisk_image = boot_params.hdr.ramdisk_image;
+ u64 ramdisk_size = boot_params.hdr.ramdisk_size;
+ u64 ramdisk_end = ramdisk_image + ramdisk_size;
+ reserve_early(ramdisk_image, ramdisk_end, "RAMDISK");
+ }
+#endif
+ reserve_early(init_pg_tables_start, init_pg_tables_end,
+ "INIT_PG_TABLE");
+
+ reserve_ebda_region();
+
+ /*
+ * At this point everything still needed from the boot loader
+ * or BIOS or kernel text should be early reserved or marked not
+ * RAM in e820. All other memory is free game.
+ */
+
start_kernel();
}
diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c
index e25c57b8aa8..c9781982914 100644
--- a/arch/x86/kernel/head64.c
+++ b/arch/x86/kernel/head64.c
@@ -25,6 +25,20 @@
#include <asm/e820.h>
#include <asm/bios_ebda.h>
+/* boot cpu pda */
+static struct x8664_pda _boot_cpu_pda __read_mostly;
+
+#ifdef CONFIG_SMP
+/*
+ * We install an empty cpu_pda pointer table to indicate to early users
+ * (numa_set_node) that the cpu_pda pointer table for cpus other than
+ * the boot cpu is not yet setup.
+ */
+static struct x8664_pda *__cpu_pda[NR_CPUS] __initdata;
+#else
+static struct x8664_pda *__cpu_pda[NR_CPUS] __read_mostly;
+#endif
+
static void __init zap_identity_mappings(void)
{
pgd_t *pgd = pgd_offset_k(0UL);
@@ -51,74 +65,6 @@ static void __init copy_bootdata(char *real_mode_data)
}
}
-#define BIOS_LOWMEM_KILOBYTES 0x413
-
-/*
- * The BIOS places the EBDA/XBDA at the top of conventional
- * memory, and usually decreases the reported amount of
- * conventional memory (int 0x12) too. This also contains a
- * workaround for Dell systems that neglect to reserve EBDA.
- * The same workaround also avoids a problem with the AMD768MPX
- * chipset: reserve a page before VGA to prevent PCI prefetch
- * into it (errata #56). Usually the page is reserved anyways,
- * unless you have no PS/2 mouse plugged in.
- */
-static void __init reserve_ebda_region(void)
-{
- unsigned int lowmem, ebda_addr;
-
- /* To determine the position of the EBDA and the */
- /* end of conventional memory, we need to look at */
- /* the BIOS data area. In a paravirtual environment */
- /* that area is absent. We'll just have to assume */
- /* that the paravirt case can handle memory setup */
- /* correctly, without our help. */
- if (paravirt_enabled())
- return;
-
- /* end of low (conventional) memory */
- lowmem = *(unsigned short *)__va(BIOS_LOWMEM_KILOBYTES);
- lowmem <<= 10;
-
- /* start of EBDA area */
- ebda_addr = get_bios_ebda();
-
- /* Fixup: bios puts an EBDA in the top 64K segment */
- /* of conventional memory, but does not adjust lowmem. */
- if ((lowmem - ebda_addr) <= 0x10000)
- lowmem = ebda_addr;
-
- /* Fixup: bios does not report an EBDA at all. */
- /* Some old Dells seem to need 4k anyhow (bugzilla 2990) */
- if ((ebda_addr == 0) && (lowmem >= 0x9f000))
- lowmem = 0x9f000;
-
- /* Paranoia: should never happen, but... */
- if ((lowmem == 0) || (lowmem >= 0x100000))
- lowmem = 0x9f000;
-
- /* reserve all memory between lowmem and the 1MB mark */
- reserve_early(lowmem, 0x100000, "BIOS reserved");
-}
-
-static void __init reserve_setup_data(void)
-{
- struct setup_data *data;
- unsigned long pa_data;
- char buf[32];
-
- if (boot_params.hdr.version < 0x0209)
- return;
- pa_data = boot_params.hdr.setup_data;
- while (pa_data) {
- data = early_ioremap(pa_data, sizeof(*data));
- sprintf(buf, "setup data %x", data->type);
- reserve_early(pa_data, pa_data+sizeof(*data)+data->len, buf);
- pa_data = data->next;
- early_iounmap(data, sizeof(*data));
- }
-}
-
void __init x86_64_start_kernel(char * real_mode_data)
{
int i;
@@ -156,10 +102,17 @@ void __init x86_64_start_kernel(char * real_mode_data)
early_printk("Kernel alive\n");
- for (i = 0; i < NR_CPUS; i++)
- cpu_pda(i) = &boot_cpu_pda[i];
-
+ _cpu_pda = __cpu_pda;
+ cpu_pda(0) = &_boot_cpu_pda;
pda_init(0);
+
+ early_printk("Kernel really alive\n");
+
+ x86_64_start_reservations(real_mode_data);
+}
+
+void __init x86_64_start_reservations(char *real_mode_data)
+{
copy_bootdata(__va(real_mode_data));
reserve_early(__pa_symbol(&_text), __pa_symbol(&_end), "TEXT DATA BSS");
@@ -175,7 +128,6 @@ void __init x86_64_start_kernel(char * real_mode_data)
#endif
reserve_ebda_region();
- reserve_setup_data();
/*
* At this point everything still needed from the boot loader
diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S
index f7357cc0162..f67e93441ca 100644
--- a/arch/x86/kernel/head_32.S
+++ b/arch/x86/kernel/head_32.S
@@ -194,6 +194,7 @@ default_entry:
xorl %ebx,%ebx /* %ebx is kept at zero */
movl $pa(pg0), %edi
+ movl %edi, pa(init_pg_tables_start)
movl $pa(swapper_pg_pmd), %edx
movl $PTE_ATTR, %eax
10:
@@ -219,6 +220,8 @@ default_entry:
jb 10b
1:
movl %edi,pa(init_pg_tables_end)
+ shrl $12, %eax
+ movl %eax, pa(max_pfn_mapped)
/* Do early initialization of the fixmap area */
movl $pa(swapper_pg_fixmap)+PDE_ATTR,%eax
@@ -228,6 +231,7 @@ default_entry:
page_pde_offset = (__PAGE_OFFSET >> 20);
movl $pa(pg0), %edi
+ movl %edi, pa(init_pg_tables_start)
movl $pa(swapper_pg_dir), %edx
movl $PTE_ATTR, %eax
10:
@@ -249,6 +253,8 @@ page_pde_offset = (__PAGE_OFFSET >> 20);
cmpl %ebp,%eax
jb 10b
movl %edi,pa(init_pg_tables_end)
+ shrl $12, %eax
+ movl %eax, pa(max_pfn_mapped)
/* Do early initialization of the fixmap area */
movl $pa(swapper_pg_fixmap)+PDE_ATTR,%eax
@@ -446,10 +452,13 @@ is386: movl $2,%ecx # set MP
je 1f
movl $(__KERNEL_PERCPU), %eax
movl %eax,%fs # set this cpu's percpu
- jmp initialize_secondary # all other CPUs call initialize_secondary
+ movl (stack_start), %esp
1:
#endif /* CONFIG_SMP */
- jmp i386_start_kernel
+ jmp *(initial_code)
+.align 4
+ENTRY(initial_code)
+ .long i386_start_kernel
/*
* We depend on ET to be correct. This checks for 287/387.
diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S
index b817974ef94..b07ac7b217c 100644
--- a/arch/x86/kernel/head_64.S
+++ b/arch/x86/kernel/head_64.S
@@ -18,6 +18,7 @@
#include <asm/page.h>
#include <asm/msr.h>
#include <asm/cache.h>
+#include <asm/processor-flags.h>
#ifdef CONFIG_PARAVIRT
#include <asm/asm-offsets.h>
@@ -31,6 +32,13 @@
*
*/
+#define pud_index(x) (((x) >> PUD_SHIFT) & (PTRS_PER_PUD-1))
+
+L4_PAGE_OFFSET = pgd_index(__PAGE_OFFSET)
+L3_PAGE_OFFSET = pud_index(__PAGE_OFFSET)
+L4_START_KERNEL = pgd_index(__START_KERNEL_map)
+L3_START_KERNEL = pud_index(__START_KERNEL_map)
+
.text
.section .text.head
.code64
@@ -76,8 +84,8 @@ startup_64:
/* Fixup the physical addresses in the page table
*/
addq %rbp, init_level4_pgt + 0(%rip)
- addq %rbp, init_level4_pgt + (258*8)(%rip)
- addq %rbp, init_level4_pgt + (511*8)(%rip)
+ addq %rbp, init_level4_pgt + (L4_PAGE_OFFSET*8)(%rip)
+ addq %rbp, init_level4_pgt + (L4_START_KERNEL*8)(%rip)
addq %rbp, level3_ident_pgt + 0(%rip)
@@ -154,9 +162,7 @@ ENTRY(secondary_startup_64)
*/
/* Enable PAE mode and PGE */
- xorq %rax, %rax
- btsq $5, %rax
- btsq $7, %rax
+ movl $(X86_CR4_PAE | X86_CR4_PGE), %eax
movq %rax, %cr4
/* Setup early boot stage 4 level pagetables. */
@@ -184,19 +190,15 @@ ENTRY(secondary_startup_64)
1: wrmsr /* Make changes effective */
/* Setup cr0 */
-#define CR0_PM 1 /* protected mode */
-#define CR0_MP (1<<1)
-#define CR0_ET (1<<4)
-#define CR0_NE (1<<5)
-#define CR0_WP (1<<16)
-#define CR0_AM (1<<18)
-#define CR0_PAGING (1<<31)
- movl $CR0_PM|CR0_MP|CR0_ET|CR0_NE|CR0_WP|CR0_AM|CR0_PAGING,%eax
+#define CR0_STATE (X86_CR0_PE | X86_CR0_MP | X86_CR0_ET | \
+ X86_CR0_NE | X86_CR0_WP | X86_CR0_AM | \
+ X86_CR0_PG)
+ movl $CR0_STATE, %eax
/* Make changes effective */
movq %rax, %cr0
/* Setup a boot time stack */
- movq init_rsp(%rip),%rsp
+ movq stack_start(%rip),%rsp
/* zero EFLAGS after setting rsp */
pushq $0
@@ -208,7 +210,7 @@ ENTRY(secondary_startup_64)
* addresses where we're currently running on. We have to do that here
* because in 32bit we couldn't load a 64bit linear address.
*/
- lgdt cpu_gdt_descr(%rip)
+ lgdt early_gdt_descr(%rip)
/* set up data segments. actually 0 would do too */
movl $__KERNEL_DS,%eax
@@ -257,8 +259,9 @@ ENTRY(secondary_startup_64)
.quad x86_64_start_kernel
__FINITDATA
- ENTRY(init_rsp)
+ ENTRY(stack_start)
.quad init_thread_union+THREAD_SIZE-8
+ .word 0
bad_address:
jmp bad_address
@@ -327,11 +330,11 @@ early_idt_ripmsg:
ENTRY(name)
/* Automate the creation of 1 to 1 mapping pmd entries */
-#define PMDS(START, PERM, COUNT) \
- i = 0 ; \
- .rept (COUNT) ; \
- .quad (START) + (i << 21) + (PERM) ; \
- i = i + 1 ; \
+#define PMDS(START, PERM, COUNT) \
+ i = 0 ; \
+ .rept (COUNT) ; \
+ .quad (START) + (i << PMD_SHIFT) + (PERM) ; \
+ i = i + 1 ; \
.endr
/*
@@ -342,9 +345,9 @@ ENTRY(name)
*/
NEXT_PAGE(init_level4_pgt)
.quad level3_ident_pgt - __START_KERNEL_map + _KERNPG_TABLE
- .fill 257,8,0
+ .org init_level4_pgt + L4_PAGE_OFFSET*8, 0
.quad level3_ident_pgt - __START_KERNEL_map + _KERNPG_TABLE
- .fill 252,8,0
+ .org init_level4_pgt + L4_START_KERNEL*8, 0
/* (2^48-(2*1024*1024*1024))/(2^39) = 511 */
.quad level3_kernel_pgt - __START_KERNEL_map + _PAGE_TABLE
@@ -353,7 +356,7 @@ NEXT_PAGE(level3_ident_pgt)
.fill 511,8,0
NEXT_PAGE(level3_kernel_pgt)
- .fill 510,8,0
+ .fill L3_START_KERNEL,8,0
/* (2^48-(2*1024*1024*1024)-((2^39)*511))/(2^30) = 510 */
.quad level2_kernel_pgt - __START_KERNEL_map + _KERNPG_TABLE
.quad level2_fixmap_pgt - __START_KERNEL_map + _PAGE_TABLE
@@ -384,7 +387,7 @@ NEXT_PAGE(level2_kernel_pgt)
* If you want to increase this then increase MODULES_VADDR
* too.)
*/
- PMDS(0, __PAGE_KERNEL_LARGE_EXEC|_PAGE_GLOBAL,
+ PMDS(0, __PAGE_KERNEL_LARGE_EXEC,
KERNEL_IMAGE_SIZE/PMD_SIZE)
NEXT_PAGE(level2_spare_pgt)
@@ -395,54 +398,16 @@ NEXT_PAGE(level2_spare_pgt)
.data
.align 16
- .globl cpu_gdt_descr
-cpu_gdt_descr:
- .word gdt_end-cpu_gdt_table-1
-gdt:
- .quad cpu_gdt_table
-#ifdef CONFIG_SMP
- .rept NR_CPUS-1
- .word 0
- .quad 0
- .endr
-#endif
+ .globl early_gdt_descr
+early_gdt_descr:
+ .word GDT_ENTRIES*8-1
+ .quad per_cpu__gdt_page
ENTRY(phys_base)
/* This must match the first entry in level2_kernel_pgt */
.quad 0x0000000000000000
-/* We need valid kernel segments for data and code in long mode too
- * IRET will check the segment types kkeil 2000/10/28
- * Also sysret mandates a special GDT layout
- */
-
- .section .data.page_aligned, "aw"
- .align PAGE_SIZE
-
-/* The TLS descriptors are currently at a different place compared to i386.
- Hopefully nobody expects them at a fixed place (Wine?) */
-ENTRY(cpu_gdt_table)
- .quad 0x0000000000000000 /* NULL descriptor */
- .quad 0x00cf9b000000ffff /* __KERNEL32_CS */
- .quad 0x00af9b000000ffff /* __KERNEL_CS */
- .quad 0x00cf93000000ffff /* __KERNEL_DS */
- .quad 0x00cffb000000ffff /* __USER32_CS */
- .quad 0x00cff3000000ffff /* __USER_DS, __USER32_DS */
- .quad 0x00affb000000ffff /* __USER_CS */
- .quad 0x0 /* unused */
- .quad 0,0 /* TSS */
- .quad 0,0 /* LDT */
- .quad 0,0,0 /* three TLS descriptors */
- .quad 0x0000f40000000000 /* node/CPU stored in limit */
-gdt_end:
- /* asm/segment.h:GDT_ENTRIES must match this */
- /* This should be a multiple of the cache line size */
- /* GDTs of other CPUs are now dynamically allocated */
-
- /* zero the remaining page */
- .fill PAGE_SIZE / 8 - GDT_ENTRIES,8,0
-
.section .bss, "aw", @nobits
.align L1_CACHE_BYTES
ENTRY(idt_table)
diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c
index 9b5cfcdfc42..0ea6a19bfdf 100644
--- a/arch/x86/kernel/hpet.c
+++ b/arch/x86/kernel/hpet.c
@@ -17,7 +17,7 @@
/* FSEC = 10^-15
NSEC = 10^-9 */
-#define FSEC_PER_NSEC 1000000
+#define FSEC_PER_NSEC 1000000L
/*
* HPET address is set in acpi/boot.c, when an ACPI entry exists
@@ -36,26 +36,15 @@ static inline void hpet_writel(unsigned long d, unsigned long a)
}
#ifdef CONFIG_X86_64
-
#include <asm/pgtable.h>
-
-static inline void hpet_set_mapping(void)
-{
- set_fixmap_nocache(FIX_HPET_BASE, hpet_address);
- __set_fixmap(VSYSCALL_HPET, hpet_address, PAGE_KERNEL_VSYSCALL_NOCACHE);
- hpet_virt_address = (void __iomem *)fix_to_virt(FIX_HPET_BASE);
-}
-
-static inline void hpet_clear_mapping(void)
-{
- hpet_virt_address = NULL;
-}
-
-#else
+#endif
static inline void hpet_set_mapping(void)
{
hpet_virt_address = ioremap_nocache(hpet_address, HPET_MMAP_SIZE);
+#ifdef CONFIG_X86_64
+ __set_fixmap(VSYSCALL_HPET, hpet_address, PAGE_KERNEL_VSYSCALL_NOCACHE);
+#endif
}
static inline void hpet_clear_mapping(void)
@@ -63,7 +52,6 @@ static inline void hpet_clear_mapping(void)
iounmap(hpet_virt_address);
hpet_virt_address = NULL;
}
-#endif
/*
* HPET command line enable / disable
@@ -206,20 +194,19 @@ static void hpet_enable_legacy_int(void)
static void hpet_legacy_clockevent_register(void)
{
- uint64_t hpet_freq;
-
/* Start HPET legacy interrupts */
hpet_enable_legacy_int();
/*
- * The period is a femto seconds value. We need to calculate the
- * scaled math multiplication factor for nanosecond to hpet tick
- * conversion.
+ * The mult factor is defined as (include/linux/clockchips.h)
+ * mult/2^shift = cyc/ns (in contrast to ns/cyc in clocksource.h)
+ * hpet_period is in units of femtoseconds (per cycle), so
+ * mult/2^shift = cyc/ns = 10^6/hpet_period
+ * mult = (10^6 * 2^shift)/hpet_period
+ * mult = (FSEC_PER_NSEC << hpet_clockevent.shift)/hpet_period
*/
- hpet_freq = 1000000000000000ULL;
- do_div(hpet_freq, hpet_period);
- hpet_clockevent.mult = div_sc((unsigned long) hpet_freq,
- NSEC_PER_SEC, hpet_clockevent.shift);
+ hpet_clockevent.mult = div_sc((unsigned long) FSEC_PER_NSEC,
+ hpet_period, hpet_clockevent.shift);
/* Calculate the min / max delta */
hpet_clockevent.max_delta_ns = clockevent_delta2ns(0x7FFFFFFF,
&hpet_clockevent);
@@ -324,7 +311,7 @@ static struct clocksource clocksource_hpet = {
static int hpet_clocksource_register(void)
{
- u64 tmp, start, now;
+ u64 start, now;
cycle_t t1;
/* Start the counter */
@@ -351,21 +338,15 @@ static int hpet_clocksource_register(void)
return -ENODEV;
}
- /* Initialize and register HPET clocksource
- *
- * hpet period is in femto seconds per cycle
- * so we need to convert this to ns/cyc units
- * approximated by mult/2^shift
- *
- * fsec/cyc * 1nsec/1000000fsec = nsec/cyc = mult/2^shift
- * fsec/cyc * 1ns/1000000fsec * 2^shift = mult
- * fsec/cyc * 2^shift * 1nsec/1000000fsec = mult
- * (fsec/cyc << shift)/1000000 = mult
- * (hpet_period << shift)/FSEC_PER_NSEC = mult
+ /*
+ * The definition of mult is (include/linux/clocksource.h)
+ * mult/2^shift = ns/cyc and hpet_period is in units of fsec/cyc
+ * so we first need to convert hpet_period to ns/cyc units:
+ * mult/2^shift = ns/cyc = hpet_period/10^6
+ * mult = (hpet_period * 2^shift)/10^6
+ * mult = (hpet_period << shift)/FSEC_PER_NSEC
*/
- tmp = (u64)hpet_period << HPET_SHIFT;
- do_div(tmp, FSEC_PER_NSEC);
- clocksource_hpet.mult = (u32)tmp;
+ clocksource_hpet.mult = div_sc(hpet_period, FSEC_PER_NSEC, HPET_SHIFT);
clocksource_register(&clocksource_hpet);
diff --git a/arch/x86/kernel/i386_ksyms_32.c b/arch/x86/kernel/i386_ksyms_32.c
index deb43785e92..dd7ebee446a 100644
--- a/arch/x86/kernel/i386_ksyms_32.c
+++ b/arch/x86/kernel/i386_ksyms_32.c
@@ -1,7 +1,14 @@
#include <linux/module.h>
+
#include <asm/checksum.h>
-#include <asm/desc.h>
#include <asm/pgtable.h>
+#include <asm/desc.h>
+#include <asm/ftrace.h>
+
+#ifdef CONFIG_FTRACE
+/* mcount is defined in assembly */
+EXPORT_SYMBOL(mcount);
+#endif
/* Networking helper routines. */
EXPORT_SYMBOL(csum_partial_copy_generic);
diff --git a/arch/x86/kernel/i387.c b/arch/x86/kernel/i387.c
index 95e80e5033c..eb9ddd8efb8 100644
--- a/arch/x86/kernel/i387.c
+++ b/arch/x86/kernel/i387.c
@@ -162,7 +162,7 @@ int xfpregs_get(struct task_struct *target, const struct user_regset *regset,
int ret;
if (!cpu_has_fxsr)
- return -EIO;
+ return -ENODEV;
ret = init_fpu(target);
if (ret)
@@ -179,7 +179,7 @@ int xfpregs_set(struct task_struct *target, const struct user_regset *regset,
int ret;
if (!cpu_has_fxsr)
- return -EIO;
+ return -ENODEV;
ret = init_fpu(target);
if (ret)
diff --git a/arch/x86/kernel/i8259_32.c b/arch/x86/kernel/i8259.c
index fe631967d62..dc92b49d920 100644
--- a/arch/x86/kernel/i8259_32.c
+++ b/arch/x86/kernel/i8259.c
@@ -1,8 +1,10 @@
+#include <linux/linkage.h>
#include <linux/errno.h>
#include <linux/signal.h>
#include <linux/sched.h>
#include <linux/ioport.h>
#include <linux/interrupt.h>
+#include <linux/timex.h>
#include <linux/slab.h>
#include <linux/random.h>
#include <linux/init.h>
@@ -10,10 +12,12 @@
#include <linux/sysdev.h>
#include <linux/bitops.h>
+#include <asm/acpi.h>
#include <asm/atomic.h>
#include <asm/system.h>
#include <asm/io.h>
#include <asm/timer.h>
+#include <asm/hw_irq.h>
#include <asm/pgtable.h>
#include <asm/delay.h>
#include <asm/desc.h>
@@ -32,7 +36,7 @@ static int i8259A_auto_eoi;
DEFINE_SPINLOCK(i8259A_lock);
static void mask_and_ack_8259A(unsigned int);
-static struct irq_chip i8259A_chip = {
+struct irq_chip i8259A_chip = {
.name = "XT-PIC",
.mask = disable_8259A_irq,
.disable = disable_8259A_irq,
@@ -125,14 +129,14 @@ static inline int i8259A_irq_real(unsigned int irq)
int irqmask = 1<<irq;
if (irq < 8) {
- outb(0x0B,PIC_MASTER_CMD); /* ISR register */
+ outb(0x0B, PIC_MASTER_CMD); /* ISR register */
value = inb(PIC_MASTER_CMD) & irqmask;
- outb(0x0A,PIC_MASTER_CMD); /* back to the IRR register */
+ outb(0x0A, PIC_MASTER_CMD); /* back to the IRR register */
return value;
}
- outb(0x0B,PIC_SLAVE_CMD); /* ISR register */
+ outb(0x0B, PIC_SLAVE_CMD); /* ISR register */
value = inb(PIC_SLAVE_CMD) & (irqmask >> 8);
- outb(0x0A,PIC_SLAVE_CMD); /* back to the IRR register */
+ outb(0x0A, PIC_SLAVE_CMD); /* back to the IRR register */
return value;
}
@@ -171,12 +175,14 @@ handle_real_irq:
if (irq & 8) {
inb(PIC_SLAVE_IMR); /* DUMMY - (do we need this?) */
outb(cached_slave_mask, PIC_SLAVE_IMR);
- outb(0x60+(irq&7),PIC_SLAVE_CMD);/* 'Specific EOI' to slave */
- outb(0x60+PIC_CASCADE_IR,PIC_MASTER_CMD); /* 'Specific EOI' to master-IRQ2 */
+ /* 'Specific EOI' to slave */
+ outb(0x60+(irq&7), PIC_SLAVE_CMD);
+ /* 'Specific EOI' to master-IRQ2 */
+ outb(0x60+PIC_CASCADE_IR, PIC_MASTER_CMD);
} else {
inb(PIC_MASTER_IMR); /* DUMMY - (do we need this?) */
outb(cached_master_mask, PIC_MASTER_IMR);
- outb(0x60+irq,PIC_MASTER_CMD); /* 'Specific EOI to master */
+ outb(0x60+irq, PIC_MASTER_CMD); /* 'Specific EOI to master */
}
spin_unlock_irqrestore(&i8259A_lock, flags);
return;
@@ -199,7 +205,8 @@ spurious_8259A_irq:
* lets ACK and report it. [once per IRQ]
*/
if (!(spurious_irq_mask & irqmask)) {
- printk(KERN_DEBUG "spurious 8259A interrupt: IRQ%d.\n", irq);
+ printk(KERN_DEBUG
+ "spurious 8259A interrupt: IRQ%d.\n", irq);
spurious_irq_mask |= irqmask;
}
atomic_inc(&irq_err_count);
@@ -290,17 +297,28 @@ void init_8259A(int auto_eoi)
* outb_pic - this has to work on a wide range of PC hardware.
*/
outb_pic(0x11, PIC_MASTER_CMD); /* ICW1: select 8259A-1 init */
- outb_pic(0x20 + 0, PIC_MASTER_IMR); /* ICW2: 8259A-1 IR0-7 mapped to 0x20-0x27 */
- outb_pic(1U << PIC_CASCADE_IR, PIC_MASTER_IMR); /* 8259A-1 (the master) has a slave on IR2 */
+
+ /* ICW2: 8259A-1 IR0-7 mapped to 0x30-0x37 on x86-64,
+ to 0x20-0x27 on i386 */
+ outb_pic(IRQ0_VECTOR, PIC_MASTER_IMR);
+
+ /* 8259A-1 (the master) has a slave on IR2 */
+ outb_pic(1U << PIC_CASCADE_IR, PIC_MASTER_IMR);
+
if (auto_eoi) /* master does Auto EOI */
outb_pic(MASTER_ICW4_DEFAULT | PIC_ICW4_AEOI, PIC_MASTER_IMR);
else /* master expects normal EOI */
outb_pic(MASTER_ICW4_DEFAULT, PIC_MASTER_IMR);
outb_pic(0x11, PIC_SLAVE_CMD); /* ICW1: select 8259A-2 init */
- outb_pic(0x20 + 8, PIC_SLAVE_IMR); /* ICW2: 8259A-2 IR0-7 mapped to 0x28-0x2f */
- outb_pic(PIC_CASCADE_IR, PIC_SLAVE_IMR); /* 8259A-2 is a slave on master's IR2 */
- outb_pic(SLAVE_ICW4_DEFAULT, PIC_SLAVE_IMR); /* (slave's support for AEOI in flat mode is to be investigated) */
+
+ /* ICW2: 8259A-2 IR0-7 mapped to IRQ8_VECTOR */
+ outb_pic(IRQ8_VECTOR, PIC_SLAVE_IMR);
+ /* 8259A-2 is a slave on master's IR2 */
+ outb_pic(PIC_CASCADE_IR, PIC_SLAVE_IMR);
+ /* (slave's support for AEOI in flat mode is to be investigated) */
+ outb_pic(SLAVE_ICW4_DEFAULT, PIC_SLAVE_IMR);
+
if (auto_eoi)
/*
* In AEOI mode we just have to mask the interrupt
@@ -317,93 +335,3 @@ void init_8259A(int auto_eoi)
spin_unlock_irqrestore(&i8259A_lock, flags);
}
-
-/*
- * Note that on a 486, we don't want to do a SIGFPE on an irq13
- * as the irq is unreliable, and exception 16 works correctly
- * (ie as explained in the intel literature). On a 386, you
- * can't use exception 16 due to bad IBM design, so we have to
- * rely on the less exact irq13.
- *
- * Careful.. Not only is IRQ13 unreliable, but it is also
- * leads to races. IBM designers who came up with it should
- * be shot.
- */
-
-
-static irqreturn_t math_error_irq(int cpl, void *dev_id)
-{
- extern void math_error(void __user *);
- outb(0,0xF0);
- if (ignore_fpu_irq || !boot_cpu_data.hard_math)
- return IRQ_NONE;
- math_error((void __user *)get_irq_regs()->ip);
- return IRQ_HANDLED;
-}
-
-/*
- * New motherboards sometimes make IRQ 13 be a PCI interrupt,
- * so allow interrupt sharing.
- */
-static struct irqaction fpu_irq = {
- .handler = math_error_irq,
- .mask = CPU_MASK_NONE,
- .name = "fpu",
-};
-
-void __init init_ISA_irqs (void)
-{
- int i;
-
-#ifdef CONFIG_X86_LOCAL_APIC
- init_bsp_APIC();
-#endif
- init_8259A(0);
-
- /*
- * 16 old-style INTA-cycle interrupts:
- */
- for (i = 0; i < 16; i++) {
- set_irq_chip_and_handler_name(i, &i8259A_chip,
- handle_level_irq, "XT");
- }
-}
-
-/* Overridden in paravirt.c */
-void init_IRQ(void) __attribute__((weak, alias("native_init_IRQ")));
-
-void __init native_init_IRQ(void)
-{
- int i;
-
- /* all the set up before the call gates are initialised */
- pre_intr_init_hook();
-
- /*
- * Cover the whole vector space, no vector can escape
- * us. (some of these will be overridden and become
- * 'special' SMP interrupts)
- */
- for (i = 0; i < (NR_VECTORS - FIRST_EXTERNAL_VECTOR); i++) {
- int vector = FIRST_EXTERNAL_VECTOR + i;
- if (i >= NR_IRQS)
- break;
- /* SYSCALL_VECTOR was reserved in trap_init. */
- if (!test_bit(vector, used_vectors))
- set_intr_gate(vector, interrupt[i]);
- }
-
- /* setup after call gates are initialised (usually add in
- * the architecture specific gates)
- */
- intr_init_hook();
-
- /*
- * External FPU? Set up irq13 if so, for
- * original braindamaged IBM FERR coupling.
- */
- if (boot_cpu_data.hard_math && !cpu_has_fpu)
- setup_irq(FPU_IRQ, &fpu_irq);
-
- irq_ctx_init(smp_processor_id());
-}
diff --git a/arch/x86/kernel/i8259_64.c b/arch/x86/kernel/i8259_64.c
deleted file mode 100644
index fa57a156850..00000000000
--- a/arch/x86/kernel/i8259_64.c
+++ /dev/null
@@ -1,512 +0,0 @@
-#include <linux/linkage.h>
-#include <linux/errno.h>
-#include <linux/signal.h>
-#include <linux/sched.h>
-#include <linux/ioport.h>
-#include <linux/interrupt.h>
-#include <linux/timex.h>
-#include <linux/slab.h>
-#include <linux/random.h>
-#include <linux/init.h>
-#include <linux/kernel_stat.h>
-#include <linux/sysdev.h>
-#include <linux/bitops.h>
-
-#include <asm/acpi.h>
-#include <asm/atomic.h>
-#include <asm/system.h>
-#include <asm/io.h>
-#include <asm/hw_irq.h>
-#include <asm/pgtable.h>
-#include <asm/delay.h>
-#include <asm/desc.h>
-#include <asm/apic.h>
-#include <asm/i8259.h>
-
-/*
- * Common place to define all x86 IRQ vectors
- *
- * This builds up the IRQ handler stubs using some ugly macros in irq.h
- *
- * These macros create the low-level assembly IRQ routines that save
- * register context and call do_IRQ(). do_IRQ() then does all the
- * operations that are needed to keep the AT (or SMP IOAPIC)
- * interrupt-controller happy.
- */
-
-#define BI(x,y) \
- BUILD_IRQ(x##y)
-
-#define BUILD_16_IRQS(x) \
- BI(x,0) BI(x,1) BI(x,2) BI(x,3) \
- BI(x,4) BI(x,5) BI(x,6) BI(x,7) \
- BI(x,8) BI(x,9) BI(x,a) BI(x,b) \
- BI(x,c) BI(x,d) BI(x,e) BI(x,f)
-
-/*
- * ISA PIC or low IO-APIC triggered (INTA-cycle or APIC) interrupts:
- * (these are usually mapped to vectors 0x30-0x3f)
- */
-
-/*
- * The IO-APIC gives us many more interrupt sources. Most of these
- * are unused but an SMP system is supposed to have enough memory ...
- * sometimes (mostly wrt. hw bugs) we get corrupted vectors all
- * across the spectrum, so we really want to be prepared to get all
- * of these. Plus, more powerful systems might have more than 64
- * IO-APIC registers.
- *
- * (these are usually mapped into the 0x30-0xff vector range)
- */
- BUILD_16_IRQS(0x2) BUILD_16_IRQS(0x3)
-BUILD_16_IRQS(0x4) BUILD_16_IRQS(0x5) BUILD_16_IRQS(0x6) BUILD_16_IRQS(0x7)
-BUILD_16_IRQS(0x8) BUILD_16_IRQS(0x9) BUILD_16_IRQS(0xa) BUILD_16_IRQS(0xb)
-BUILD_16_IRQS(0xc) BUILD_16_IRQS(0xd) BUILD_16_IRQS(0xe) BUILD_16_IRQS(0xf)
-
-#undef BUILD_16_IRQS
-#undef BI
-
-
-#define IRQ(x,y) \
- IRQ##x##y##_interrupt
-
-#define IRQLIST_16(x) \
- IRQ(x,0), IRQ(x,1), IRQ(x,2), IRQ(x,3), \
- IRQ(x,4), IRQ(x,5), IRQ(x,6), IRQ(x,7), \
- IRQ(x,8), IRQ(x,9), IRQ(x,a), IRQ(x,b), \
- IRQ(x,c), IRQ(x,d), IRQ(x,e), IRQ(x,f)
-
-/* for the irq vectors */
-static void (*__initdata interrupt[NR_VECTORS - FIRST_EXTERNAL_VECTOR])(void) = {
- IRQLIST_16(0x2), IRQLIST_16(0x3),
- IRQLIST_16(0x4), IRQLIST_16(0x5), IRQLIST_16(0x6), IRQLIST_16(0x7),
- IRQLIST_16(0x8), IRQLIST_16(0x9), IRQLIST_16(0xa), IRQLIST_16(0xb),
- IRQLIST_16(0xc), IRQLIST_16(0xd), IRQLIST_16(0xe), IRQLIST_16(0xf)
-};
-
-#undef IRQ
-#undef IRQLIST_16
-
-/*
- * This is the 'legacy' 8259A Programmable Interrupt Controller,
- * present in the majority of PC/AT boxes.
- * plus some generic x86 specific things if generic specifics makes
- * any sense at all.
- * this file should become arch/i386/kernel/irq.c when the old irq.c
- * moves to arch independent land
- */
-
-static int i8259A_auto_eoi;
-DEFINE_SPINLOCK(i8259A_lock);
-static void mask_and_ack_8259A(unsigned int);
-
-static struct irq_chip i8259A_chip = {
- .name = "XT-PIC",
- .mask = disable_8259A_irq,
- .disable = disable_8259A_irq,
- .unmask = enable_8259A_irq,
- .mask_ack = mask_and_ack_8259A,
-};
-
-/*
- * 8259A PIC functions to handle ISA devices:
- */
-
-/*
- * This contains the irq mask for both 8259A irq controllers,
- */
-unsigned int cached_irq_mask = 0xffff;
-
-/*
- * Not all IRQs can be routed through the IO-APIC, eg. on certain (older)
- * boards the timer interrupt is not really connected to any IO-APIC pin,
- * it's fed to the master 8259A's IR0 line only.
- *
- * Any '1' bit in this mask means the IRQ is routed through the IO-APIC.
- * this 'mixed mode' IRQ handling costs nothing because it's only used
- * at IRQ setup time.
- */
-unsigned long io_apic_irqs;
-
-void disable_8259A_irq(unsigned int irq)
-{
- unsigned int mask = 1 << irq;
- unsigned long flags;
-
- spin_lock_irqsave(&i8259A_lock, flags);
- cached_irq_mask |= mask;
- if (irq & 8)
- outb(cached_slave_mask, PIC_SLAVE_IMR);
- else
- outb(cached_master_mask, PIC_MASTER_IMR);
- spin_unlock_irqrestore(&i8259A_lock, flags);
-}
-
-void enable_8259A_irq(unsigned int irq)
-{
- unsigned int mask = ~(1 << irq);
- unsigned long flags;
-
- spin_lock_irqsave(&i8259A_lock, flags);
- cached_irq_mask &= mask;
- if (irq & 8)
- outb(cached_slave_mask, PIC_SLAVE_IMR);
- else
- outb(cached_master_mask, PIC_MASTER_IMR);
- spin_unlock_irqrestore(&i8259A_lock, flags);
-}
-
-int i8259A_irq_pending(unsigned int irq)
-{
- unsigned int mask = 1<<irq;
- unsigned long flags;
- int ret;
-
- spin_lock_irqsave(&i8259A_lock, flags);
- if (irq < 8)
- ret = inb(PIC_MASTER_CMD) & mask;
- else
- ret = inb(PIC_SLAVE_CMD) & (mask >> 8);
- spin_unlock_irqrestore(&i8259A_lock, flags);
-
- return ret;
-}
-
-void make_8259A_irq(unsigned int irq)
-{
- disable_irq_nosync(irq);
- io_apic_irqs &= ~(1<<irq);
- set_irq_chip_and_handler_name(irq, &i8259A_chip, handle_level_irq,
- "XT");
- enable_irq(irq);
-}
-
-/*
- * This function assumes to be called rarely. Switching between
- * 8259A registers is slow.
- * This has to be protected by the irq controller spinlock
- * before being called.
- */
-static inline int i8259A_irq_real(unsigned int irq)
-{
- int value;
- int irqmask = 1<<irq;
-
- if (irq < 8) {
- outb(0x0B,PIC_MASTER_CMD); /* ISR register */
- value = inb(PIC_MASTER_CMD) & irqmask;
- outb(0x0A,PIC_MASTER_CMD); /* back to the IRR register */
- return value;
- }
- outb(0x0B,PIC_SLAVE_CMD); /* ISR register */
- value = inb(PIC_SLAVE_CMD) & (irqmask >> 8);
- outb(0x0A,PIC_SLAVE_CMD); /* back to the IRR register */
- return value;
-}
-
-/*
- * Careful! The 8259A is a fragile beast, it pretty
- * much _has_ to be done exactly like this (mask it
- * first, _then_ send the EOI, and the order of EOI
- * to the two 8259s is important!
- */
-static void mask_and_ack_8259A(unsigned int irq)
-{
- unsigned int irqmask = 1 << irq;
- unsigned long flags;
-
- spin_lock_irqsave(&i8259A_lock, flags);
- /*
- * Lightweight spurious IRQ detection. We do not want
- * to overdo spurious IRQ handling - it's usually a sign
- * of hardware problems, so we only do the checks we can
- * do without slowing down good hardware unnecessarily.
- *
- * Note that IRQ7 and IRQ15 (the two spurious IRQs
- * usually resulting from the 8259A-1|2 PICs) occur
- * even if the IRQ is masked in the 8259A. Thus we
- * can check spurious 8259A IRQs without doing the
- * quite slow i8259A_irq_real() call for every IRQ.
- * This does not cover 100% of spurious interrupts,
- * but should be enough to warn the user that there
- * is something bad going on ...
- */
- if (cached_irq_mask & irqmask)
- goto spurious_8259A_irq;
- cached_irq_mask |= irqmask;
-
-handle_real_irq:
- if (irq & 8) {
- inb(PIC_SLAVE_IMR); /* DUMMY - (do we need this?) */
- outb(cached_slave_mask, PIC_SLAVE_IMR);
- /* 'Specific EOI' to slave */
- outb(0x60+(irq&7),PIC_SLAVE_CMD);
- /* 'Specific EOI' to master-IRQ2 */
- outb(0x60+PIC_CASCADE_IR,PIC_MASTER_CMD);
- } else {
- inb(PIC_MASTER_IMR); /* DUMMY - (do we need this?) */
- outb(cached_master_mask, PIC_MASTER_IMR);
- /* 'Specific EOI' to master */
- outb(0x60+irq,PIC_MASTER_CMD);
- }
- spin_unlock_irqrestore(&i8259A_lock, flags);
- return;
-
-spurious_8259A_irq:
- /*
- * this is the slow path - should happen rarely.
- */
- if (i8259A_irq_real(irq))
- /*
- * oops, the IRQ _is_ in service according to the
- * 8259A - not spurious, go handle it.
- */
- goto handle_real_irq;
-
- {
- static int spurious_irq_mask;
- /*
- * At this point we can be sure the IRQ is spurious,
- * lets ACK and report it. [once per IRQ]
- */
- if (!(spurious_irq_mask & irqmask)) {
- printk(KERN_DEBUG
- "spurious 8259A interrupt: IRQ%d.\n", irq);
- spurious_irq_mask |= irqmask;
- }
- atomic_inc(&irq_err_count);
- /*
- * Theoretically we do not have to handle this IRQ,
- * but in Linux this does not cause problems and is
- * simpler for us.
- */
- goto handle_real_irq;
- }
-}
-
-static char irq_trigger[2];
-/**
- * ELCR registers (0x4d0, 0x4d1) control edge/level of IRQ
- */
-static void restore_ELCR(char *trigger)
-{
- outb(trigger[0], 0x4d0);
- outb(trigger[1], 0x4d1);
-}
-
-static void save_ELCR(char *trigger)
-{
- /* IRQ 0,1,2,8,13 are marked as reserved */
- trigger[0] = inb(0x4d0) & 0xF8;
- trigger[1] = inb(0x4d1) & 0xDE;
-}
-
-static int i8259A_resume(struct sys_device *dev)
-{
- init_8259A(i8259A_auto_eoi);
- restore_ELCR(irq_trigger);
- return 0;
-}
-
-static int i8259A_suspend(struct sys_device *dev, pm_message_t state)
-{
- save_ELCR(irq_trigger);
- return 0;
-}
-
-static int i8259A_shutdown(struct sys_device *dev)
-{
- /* Put the i8259A into a quiescent state that
- * the kernel initialization code can get it
- * out of.
- */
- outb(0xff, PIC_MASTER_IMR); /* mask all of 8259A-1 */
- outb(0xff, PIC_SLAVE_IMR); /* mask all of 8259A-1 */
- return 0;
-}
-
-static struct sysdev_class i8259_sysdev_class = {
- .name = "i8259",
- .suspend = i8259A_suspend,
- .resume = i8259A_resume,
- .shutdown = i8259A_shutdown,
-};
-
-static struct sys_device device_i8259A = {
- .id = 0,
- .cls = &i8259_sysdev_class,
-};
-
-static int __init i8259A_init_sysfs(void)
-{
- int error = sysdev_class_register(&i8259_sysdev_class);
- if (!error)
- error = sysdev_register(&device_i8259A);
- return error;
-}
-
-device_initcall(i8259A_init_sysfs);
-
-void init_8259A(int auto_eoi)
-{
- unsigned long flags;
-
- i8259A_auto_eoi = auto_eoi;
-
- spin_lock_irqsave(&i8259A_lock, flags);
-
- outb(0xff, PIC_MASTER_IMR); /* mask all of 8259A-1 */
- outb(0xff, PIC_SLAVE_IMR); /* mask all of 8259A-2 */
-
- /*
- * outb_pic - this has to work on a wide range of PC hardware.
- */
- outb_pic(0x11, PIC_MASTER_CMD); /* ICW1: select 8259A-1 init */
- /* ICW2: 8259A-1 IR0-7 mapped to 0x30-0x37 */
- outb_pic(IRQ0_VECTOR, PIC_MASTER_IMR);
- /* 8259A-1 (the master) has a slave on IR2 */
- outb_pic(0x04, PIC_MASTER_IMR);
- if (auto_eoi) /* master does Auto EOI */
- outb_pic(MASTER_ICW4_DEFAULT | PIC_ICW4_AEOI, PIC_MASTER_IMR);
- else /* master expects normal EOI */
- outb_pic(MASTER_ICW4_DEFAULT, PIC_MASTER_IMR);
-
- outb_pic(0x11, PIC_SLAVE_CMD); /* ICW1: select 8259A-2 init */
- /* ICW2: 8259A-2 IR0-7 mapped to 0x38-0x3f */
- outb_pic(IRQ8_VECTOR, PIC_SLAVE_IMR);
- /* 8259A-2 is a slave on master's IR2 */
- outb_pic(PIC_CASCADE_IR, PIC_SLAVE_IMR);
- /* (slave's support for AEOI in flat mode is to be investigated) */
- outb_pic(SLAVE_ICW4_DEFAULT, PIC_SLAVE_IMR);
-
- if (auto_eoi)
- /*
- * In AEOI mode we just have to mask the interrupt
- * when acking.
- */
- i8259A_chip.mask_ack = disable_8259A_irq;
- else
- i8259A_chip.mask_ack = mask_and_ack_8259A;
-
- udelay(100); /* wait for 8259A to initialize */
-
- outb(cached_master_mask, PIC_MASTER_IMR); /* restore master IRQ mask */
- outb(cached_slave_mask, PIC_SLAVE_IMR); /* restore slave IRQ mask */
-
- spin_unlock_irqrestore(&i8259A_lock, flags);
-}
-
-
-
-
-/*
- * IRQ2 is cascade interrupt to second interrupt controller
- */
-
-static struct irqaction irq2 = {
- .handler = no_action,
- .mask = CPU_MASK_NONE,
- .name = "cascade",
-};
-DEFINE_PER_CPU(vector_irq_t, vector_irq) = {
- [0 ... IRQ0_VECTOR - 1] = -1,
- [IRQ0_VECTOR] = 0,
- [IRQ1_VECTOR] = 1,
- [IRQ2_VECTOR] = 2,
- [IRQ3_VECTOR] = 3,
- [IRQ4_VECTOR] = 4,
- [IRQ5_VECTOR] = 5,
- [IRQ6_VECTOR] = 6,
- [IRQ7_VECTOR] = 7,
- [IRQ8_VECTOR] = 8,
- [IRQ9_VECTOR] = 9,
- [IRQ10_VECTOR] = 10,
- [IRQ11_VECTOR] = 11,
- [IRQ12_VECTOR] = 12,
- [IRQ13_VECTOR] = 13,
- [IRQ14_VECTOR] = 14,
- [IRQ15_VECTOR] = 15,
- [IRQ15_VECTOR + 1 ... NR_VECTORS - 1] = -1
-};
-
-void __init init_ISA_irqs (void)
-{
- int i;
-
- init_bsp_APIC();
- init_8259A(0);
-
- for (i = 0; i < NR_IRQS; i++) {
- irq_desc[i].status = IRQ_DISABLED;
- irq_desc[i].action = NULL;
- irq_desc[i].depth = 1;
-
- if (i < 16) {
- /*
- * 16 old-style INTA-cycle interrupts:
- */
- set_irq_chip_and_handler_name(i, &i8259A_chip,
- handle_level_irq, "XT");
- } else {
- /*
- * 'high' PCI IRQs filled in on demand
- */
- irq_desc[i].chip = &no_irq_chip;
- }
- }
-}
-
-void init_IRQ(void) __attribute__((weak, alias("native_init_IRQ")));
-
-void __init native_init_IRQ(void)
-{
- int i;
-
- init_ISA_irqs();
- /*
- * Cover the whole vector space, no vector can escape
- * us. (some of these will be overridden and become
- * 'special' SMP interrupts)
- */
- for (i = 0; i < (NR_VECTORS - FIRST_EXTERNAL_VECTOR); i++) {
- int vector = FIRST_EXTERNAL_VECTOR + i;
- if (vector != IA32_SYSCALL_VECTOR)
- set_intr_gate(vector, interrupt[i]);
- }
-
-#ifdef CONFIG_SMP
- /*
- * The reschedule interrupt is a CPU-to-CPU reschedule-helper
- * IPI, driven by wakeup.
- */
- set_intr_gate(RESCHEDULE_VECTOR, reschedule_interrupt);
-
- /* IPIs for invalidation */
- set_intr_gate(INVALIDATE_TLB_VECTOR_START+0, invalidate_interrupt0);
- set_intr_gate(INVALIDATE_TLB_VECTOR_START+1, invalidate_interrupt1);
- set_intr_gate(INVALIDATE_TLB_VECTOR_START+2, invalidate_interrupt2);
- set_intr_gate(INVALIDATE_TLB_VECTOR_START+3, invalidate_interrupt3);
- set_intr_gate(INVALIDATE_TLB_VECTOR_START+4, invalidate_interrupt4);
- set_intr_gate(INVALIDATE_TLB_VECTOR_START+5, invalidate_interrupt5);
- set_intr_gate(INVALIDATE_TLB_VECTOR_START+6, invalidate_interrupt6);
- set_intr_gate(INVALIDATE_TLB_VECTOR_START+7, invalidate_interrupt7);
-
- /* IPI for generic function call */
- set_intr_gate(CALL_FUNCTION_VECTOR, call_function_interrupt);
-
- /* Low priority IPI to cleanup after moving an irq */
- set_intr_gate(IRQ_MOVE_CLEANUP_VECTOR, irq_move_cleanup_interrupt);
-#endif
- set_intr_gate(THERMAL_APIC_VECTOR, thermal_interrupt);
- set_intr_gate(THRESHOLD_APIC_VECTOR, threshold_interrupt);
-
- /* self generated IPI for local APIC timer */
- set_intr_gate(LOCAL_TIMER_VECTOR, apic_timer_interrupt);
-
- /* IPI vectors for APIC spurious and error interrupts */
- set_intr_gate(SPURIOUS_APIC_VECTOR, spurious_interrupt);
- set_intr_gate(ERROR_APIC_VECTOR, error_interrupt);
-
- if (!acpi_ioapic)
- setup_irq(2, &irq2);
-}
diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c
index 4dc8600d9d2..558abf4c796 100644
--- a/arch/x86/kernel/io_apic_32.c
+++ b/arch/x86/kernel/io_apic_32.c
@@ -25,6 +25,7 @@
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/sched.h>
+#include <linux/bootmem.h>
#include <linux/mc146818rtc.h>
#include <linux/compiler.h>
#include <linux/acpi.h>
@@ -58,7 +59,7 @@ static struct { int pin, apic; } ioapic_i8259 = { -1, -1 };
static DEFINE_SPINLOCK(ioapic_lock);
static DEFINE_SPINLOCK(vector_lock);
-int timer_over_8254 __initdata = 1;
+int timer_through_8259 __initdata;
/*
* Is the SiS APIC rmw bug present ?
@@ -72,15 +73,21 @@ int sis_apic_bug = -1;
int nr_ioapic_registers[MAX_IO_APICS];
/* I/O APIC entries */
-struct mpc_config_ioapic mp_ioapics[MAX_IO_APICS];
+struct mp_config_ioapic mp_ioapics[MAX_IO_APICS];
int nr_ioapics;
/* MP IRQ source entries */
-struct mpc_config_intsrc mp_irqs[MAX_IRQ_SOURCES];
+struct mp_config_intsrc mp_irqs[MAX_IRQ_SOURCES];
/* # of MP IRQ source entries */
int mp_irq_entries;
+#if defined (CONFIG_MCA) || defined (CONFIG_EISA)
+int mp_bus_id_to_type[MAX_MP_BUSSES];
+#endif
+
+DECLARE_BITMAP(mp_bus_not_pci, MAX_MP_BUSSES);
+
static int disable_timer_pin_1 __initdata;
/*
@@ -110,7 +117,7 @@ struct io_apic {
static __attribute_const__ struct io_apic __iomem *io_apic_base(int idx)
{
return (void __iomem *) __fix_to_virt(FIX_IO_APIC_BASE_0 + idx)
- + (mp_ioapics[idx].mpc_apicaddr & ~PAGE_MASK);
+ + (mp_ioapics[idx].mp_apicaddr & ~PAGE_MASK);
}
static inline unsigned int io_apic_read(unsigned int apic, unsigned int reg)
@@ -239,7 +246,7 @@ static void __init replace_pin_at_irq(unsigned int irq,
}
}
-static void __modify_IO_APIC_irq (unsigned int irq, unsigned long enable, unsigned long disable)
+static void __modify_IO_APIC_irq(unsigned int irq, unsigned long enable, unsigned long disable)
{
struct irq_pin_list *entry = irq_2_pin + irq;
unsigned int pin, reg;
@@ -259,30 +266,32 @@ static void __modify_IO_APIC_irq (unsigned int irq, unsigned long enable, unsign
}
/* mask = 1 */
-static void __mask_IO_APIC_irq (unsigned int irq)
+static void __mask_IO_APIC_irq(unsigned int irq)
{
- __modify_IO_APIC_irq(irq, 0x00010000, 0);
+ __modify_IO_APIC_irq(irq, IO_APIC_REDIR_MASKED, 0);
}
/* mask = 0 */
-static void __unmask_IO_APIC_irq (unsigned int irq)
+static void __unmask_IO_APIC_irq(unsigned int irq)
{
- __modify_IO_APIC_irq(irq, 0, 0x00010000);
+ __modify_IO_APIC_irq(irq, 0, IO_APIC_REDIR_MASKED);
}
/* mask = 1, trigger = 0 */
-static void __mask_and_edge_IO_APIC_irq (unsigned int irq)
+static void __mask_and_edge_IO_APIC_irq(unsigned int irq)
{
- __modify_IO_APIC_irq(irq, 0x00010000, 0x00008000);
+ __modify_IO_APIC_irq(irq, IO_APIC_REDIR_MASKED,
+ IO_APIC_REDIR_LEVEL_TRIGGER);
}
/* mask = 0, trigger = 1 */
-static void __unmask_and_level_IO_APIC_irq (unsigned int irq)
+static void __unmask_and_level_IO_APIC_irq(unsigned int irq)
{
- __modify_IO_APIC_irq(irq, 0x00008000, 0x00010000);
+ __modify_IO_APIC_irq(irq, IO_APIC_REDIR_LEVEL_TRIGGER,
+ IO_APIC_REDIR_MASKED);
}
-static void mask_IO_APIC_irq (unsigned int irq)
+static void mask_IO_APIC_irq(unsigned int irq)
{
unsigned long flags;
@@ -291,7 +300,7 @@ static void mask_IO_APIC_irq (unsigned int irq)
spin_unlock_irqrestore(&ioapic_lock, flags);
}
-static void unmask_IO_APIC_irq (unsigned int irq)
+static void unmask_IO_APIC_irq(unsigned int irq)
{
unsigned long flags;
@@ -303,7 +312,7 @@ static void unmask_IO_APIC_irq (unsigned int irq)
static void clear_IO_APIC_pin(unsigned int apic, unsigned int pin)
{
struct IO_APIC_route_entry entry;
-
+
/* Check delivery_mode to be sure we're not clearing an SMI pin */
entry = ioapic_read_entry(apic, pin);
if (entry.delivery_mode == dest_SMI)
@@ -315,7 +324,7 @@ static void clear_IO_APIC_pin(unsigned int apic, unsigned int pin)
ioapic_mask_entry(apic, pin);
}
-static void clear_IO_APIC (void)
+static void clear_IO_APIC(void)
{
int apic, pin;
@@ -332,7 +341,7 @@ static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t cpumask)
struct irq_pin_list *entry = irq_2_pin + irq;
unsigned int apicid_value;
cpumask_t tmp;
-
+
cpus_and(tmp, cpumask, cpu_online_map);
if (cpus_empty(tmp))
tmp = TARGET_CPUS;
@@ -361,7 +370,7 @@ static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t cpumask)
# include <linux/kernel_stat.h> /* kstat */
# include <linux/slab.h> /* kmalloc() */
# include <linux/timer.h>
-
+
#define IRQBALANCE_CHECK_ARCH -999
#define MAX_BALANCED_IRQ_INTERVAL (5*HZ)
#define MIN_BALANCED_IRQ_INTERVAL (HZ/2)
@@ -373,14 +382,14 @@ static int physical_balance __read_mostly;
static long balanced_irq_interval __read_mostly = MAX_BALANCED_IRQ_INTERVAL;
static struct irq_cpu_info {
- unsigned long * last_irq;
- unsigned long * irq_delta;
+ unsigned long *last_irq;
+ unsigned long *irq_delta;
unsigned long irq;
} irq_cpu_data[NR_CPUS];
#define CPU_IRQ(cpu) (irq_cpu_data[cpu].irq)
-#define LAST_CPU_IRQ(cpu,irq) (irq_cpu_data[cpu].last_irq[irq])
-#define IRQ_DELTA(cpu,irq) (irq_cpu_data[cpu].irq_delta[irq])
+#define LAST_CPU_IRQ(cpu, irq) (irq_cpu_data[cpu].last_irq[irq])
+#define IRQ_DELTA(cpu, irq) (irq_cpu_data[cpu].irq_delta[irq])
#define IDLE_ENOUGH(cpu,now) \
(idle_cpu(cpu) && ((now) - per_cpu(irq_stat, (cpu)).idle_timestamp > 1))
@@ -419,8 +428,8 @@ inside:
if (cpu == -1)
cpu = NR_CPUS-1;
}
- } while (!cpu_online(cpu) || !IRQ_ALLOWED(cpu,allowed_mask) ||
- (search_idle && !IDLE_ENOUGH(cpu,now)));
+ } while (!cpu_online(cpu) || !IRQ_ALLOWED(cpu, allowed_mask) ||
+ (search_idle && !IDLE_ENOUGH(cpu, now)));
return cpu;
}
@@ -430,15 +439,14 @@ static inline void balance_irq(int cpu, int irq)
unsigned long now = jiffies;
cpumask_t allowed_mask;
unsigned int new_cpu;
-
+
if (irqbalance_disabled)
- return;
+ return;
cpus_and(allowed_mask, cpu_online_map, balance_irq_affinity[irq]);
new_cpu = move(cpu, allowed_mask, now, 1);
- if (cpu != new_cpu) {
+ if (cpu != new_cpu)
set_pending_irq(irq, cpumask_of_cpu(new_cpu));
- }
}
static inline void rotate_irqs_among_cpus(unsigned long useful_load_threshold)
@@ -450,14 +458,14 @@ static inline void rotate_irqs_among_cpus(unsigned long useful_load_threshold)
if (!irq_desc[j].action)
continue;
/* Is it a significant load ? */
- if (IRQ_DELTA(CPU_TO_PACKAGEINDEX(i),j) <
+ if (IRQ_DELTA(CPU_TO_PACKAGEINDEX(i), j) <
useful_load_threshold)
continue;
balance_irq(i, j);
}
}
balanced_irq_interval = max((long)MIN_BALANCED_IRQ_INTERVAL,
- balanced_irq_interval - BALANCED_IRQ_LESS_DELTA);
+ balanced_irq_interval - BALANCED_IRQ_LESS_DELTA);
return;
}
@@ -486,22 +494,22 @@ static void do_irq_balance(void)
/* Is this an active IRQ or balancing disabled ? */
if (!irq_desc[j].action || irq_balancing_disabled(j))
continue;
- if ( package_index == i )
- IRQ_DELTA(package_index,j) = 0;
+ if (package_index == i)
+ IRQ_DELTA(package_index, j) = 0;
/* Determine the total count per processor per IRQ */
value_now = (unsigned long) kstat_cpu(i).irqs[j];
/* Determine the activity per processor per IRQ */
- delta = value_now - LAST_CPU_IRQ(i,j);
+ delta = value_now - LAST_CPU_IRQ(i, j);
/* Update last_cpu_irq[][] for the next time */
- LAST_CPU_IRQ(i,j) = value_now;
+ LAST_CPU_IRQ(i, j) = value_now;
/* Ignore IRQs whose rate is less than the clock */
if (delta < useful_load_threshold)
continue;
/* update the load for the processor or package total */
- IRQ_DELTA(package_index,j) += delta;
+ IRQ_DELTA(package_index, j) += delta;
/* Keep track of the higher numbered sibling as well */
if (i != package_index)
@@ -527,7 +535,8 @@ static void do_irq_balance(void)
max_cpu_irq = ULONG_MAX;
tryanothercpu:
- /* Look for heaviest loaded processor.
+ /*
+ * Look for heaviest loaded processor.
* We may come back to get the next heaviest loaded processor.
* Skip processors with trivial loads.
*/
@@ -536,7 +545,7 @@ tryanothercpu:
for_each_online_cpu(i) {
if (i != CPU_TO_PACKAGEINDEX(i))
continue;
- if (max_cpu_irq <= CPU_IRQ(i))
+ if (max_cpu_irq <= CPU_IRQ(i))
continue;
if (tmp_cpu_irq < CPU_IRQ(i)) {
tmp_cpu_irq = CPU_IRQ(i);
@@ -545,8 +554,9 @@ tryanothercpu:
}
if (tmp_loaded == -1) {
- /* In the case of small number of heavy interrupt sources,
- * loading some of the cpus too much. We use Ingo's original
+ /*
+ * In the case of small number of heavy interrupt sources,
+ * loading some of the cpus too much. We use Ingo's original
* approach to rotate them around.
*/
if (!first_attempt && imbalance >= useful_load_threshold) {
@@ -555,13 +565,14 @@ tryanothercpu:
}
goto not_worth_the_effort;
}
-
+
first_attempt = 0; /* heaviest search */
max_cpu_irq = tmp_cpu_irq; /* load */
max_loaded = tmp_loaded; /* processor */
imbalance = (max_cpu_irq - min_cpu_irq) / 2;
-
- /* if imbalance is less than approx 10% of max load, then
+
+ /*
+ * if imbalance is less than approx 10% of max load, then
* observe diminishing returns action. - quit
*/
if (imbalance < (max_cpu_irq >> 3))
@@ -577,26 +588,25 @@ tryanotherirq:
/* Is this an active IRQ? */
if (!irq_desc[j].action)
continue;
- if (imbalance <= IRQ_DELTA(max_loaded,j))
+ if (imbalance <= IRQ_DELTA(max_loaded, j))
continue;
/* Try to find the IRQ that is closest to the imbalance
* without going over.
*/
- if (move_this_load < IRQ_DELTA(max_loaded,j)) {
- move_this_load = IRQ_DELTA(max_loaded,j);
+ if (move_this_load < IRQ_DELTA(max_loaded, j)) {
+ move_this_load = IRQ_DELTA(max_loaded, j);
selected_irq = j;
}
}
- if (selected_irq == -1) {
+ if (selected_irq == -1)
goto tryanothercpu;
- }
imbalance = move_this_load;
-
+
/* For physical_balance case, we accumulated both load
* values in the one of the siblings cpu_irq[],
* to use the same code for physical and logical processors
- * as much as possible.
+ * as much as possible.
*
* NOTE: the cpu_irq[] array holds the sum of the load for
* sibling A and sibling B in the slot for the lowest numbered
@@ -625,11 +635,11 @@ tryanotherirq:
/* mark for change destination */
set_pending_irq(selected_irq, cpumask_of_cpu(min_loaded));
- /* Since we made a change, come back sooner to
+ /* Since we made a change, come back sooner to
* check for more variation.
*/
balanced_irq_interval = max((long)MIN_BALANCED_IRQ_INTERVAL,
- balanced_irq_interval - BALANCED_IRQ_LESS_DELTA);
+ balanced_irq_interval - BALANCED_IRQ_LESS_DELTA);
return;
}
goto tryanotherirq;
@@ -640,7 +650,7 @@ not_worth_the_effort:
* upward
*/
balanced_irq_interval = min((long)MAX_BALANCED_IRQ_INTERVAL,
- balanced_irq_interval + BALANCED_IRQ_MORE_DELTA);
+ balanced_irq_interval + BALANCED_IRQ_MORE_DELTA);
return;
}
@@ -679,13 +689,13 @@ static int __init balanced_irq_init(void)
cpumask_t tmp;
cpus_shift_right(tmp, cpu_online_map, 2);
- c = &boot_cpu_data;
+ c = &boot_cpu_data;
/* When not overwritten by the command line ask subarchitecture. */
if (irqbalance_disabled == IRQBALANCE_CHECK_ARCH)
irqbalance_disabled = NO_BALANCE_IRQ;
if (irqbalance_disabled)
return 0;
-
+
/* disable irqbalance completely if there is only one processor online */
if (num_online_cpus() < 2) {
irqbalance_disabled = 1;
@@ -699,16 +709,14 @@ static int __init balanced_irq_init(void)
physical_balance = 1;
for_each_online_cpu(i) {
- irq_cpu_data[i].irq_delta = kmalloc(sizeof(unsigned long) * NR_IRQS, GFP_KERNEL);
- irq_cpu_data[i].last_irq = kmalloc(sizeof(unsigned long) * NR_IRQS, GFP_KERNEL);
+ irq_cpu_data[i].irq_delta = kzalloc(sizeof(unsigned long) * NR_IRQS, GFP_KERNEL);
+ irq_cpu_data[i].last_irq = kzalloc(sizeof(unsigned long) * NR_IRQS, GFP_KERNEL);
if (irq_cpu_data[i].irq_delta == NULL || irq_cpu_data[i].last_irq == NULL) {
printk(KERN_ERR "balanced_irq_init: out of memory");
goto failed;
}
- memset(irq_cpu_data[i].irq_delta,0,sizeof(unsigned long) * NR_IRQS);
- memset(irq_cpu_data[i].last_irq,0,sizeof(unsigned long) * NR_IRQS);
}
-
+
printk(KERN_INFO "Starting balanced_irq\n");
if (!IS_ERR(kthread_run(balanced_irq, NULL, "kirqd")))
return 0;
@@ -801,10 +809,10 @@ static int find_irq_entry(int apic, int pin, int type)
int i;
for (i = 0; i < mp_irq_entries; i++)
- if (mp_irqs[i].mpc_irqtype == type &&
- (mp_irqs[i].mpc_dstapic == mp_ioapics[apic].mpc_apicid ||
- mp_irqs[i].mpc_dstapic == MP_APIC_ALL) &&
- mp_irqs[i].mpc_dstirq == pin)
+ if (mp_irqs[i].mp_irqtype == type &&
+ (mp_irqs[i].mp_dstapic == mp_ioapics[apic].mp_apicid ||
+ mp_irqs[i].mp_dstapic == MP_APIC_ALL) &&
+ mp_irqs[i].mp_dstirq == pin)
return i;
return -1;
@@ -818,13 +826,13 @@ static int __init find_isa_irq_pin(int irq, int type)
int i;
for (i = 0; i < mp_irq_entries; i++) {
- int lbus = mp_irqs[i].mpc_srcbus;
+ int lbus = mp_irqs[i].mp_srcbus;
if (test_bit(lbus, mp_bus_not_pci) &&
- (mp_irqs[i].mpc_irqtype == type) &&
- (mp_irqs[i].mpc_srcbusirq == irq))
+ (mp_irqs[i].mp_irqtype == type) &&
+ (mp_irqs[i].mp_srcbusirq == irq))
- return mp_irqs[i].mpc_dstirq;
+ return mp_irqs[i].mp_dstirq;
}
return -1;
}
@@ -834,17 +842,17 @@ static int __init find_isa_irq_apic(int irq, int type)
int i;
for (i = 0; i < mp_irq_entries; i++) {
- int lbus = mp_irqs[i].mpc_srcbus;
+ int lbus = mp_irqs[i].mp_srcbus;
if (test_bit(lbus, mp_bus_not_pci) &&
- (mp_irqs[i].mpc_irqtype == type) &&
- (mp_irqs[i].mpc_srcbusirq == irq))
+ (mp_irqs[i].mp_irqtype == type) &&
+ (mp_irqs[i].mp_srcbusirq == irq))
break;
}
if (i < mp_irq_entries) {
int apic;
- for(apic = 0; apic < nr_ioapics; apic++) {
- if (mp_ioapics[apic].mpc_apicid == mp_irqs[i].mpc_dstapic)
+ for (apic = 0; apic < nr_ioapics; apic++) {
+ if (mp_ioapics[apic].mp_apicid == mp_irqs[i].mp_dstapic)
return apic;
}
}
@@ -864,28 +872,28 @@ int IO_APIC_get_PCI_irq_vector(int bus, int slot, int pin)
apic_printk(APIC_DEBUG, "querying PCI -> IRQ mapping bus:%d, "
"slot:%d, pin:%d.\n", bus, slot, pin);
- if (mp_bus_id_to_pci_bus[bus] == -1) {
+ if (test_bit(bus, mp_bus_not_pci)) {
printk(KERN_WARNING "PCI BIOS passed nonexistent PCI bus %d!\n", bus);
return -1;
}
for (i = 0; i < mp_irq_entries; i++) {
- int lbus = mp_irqs[i].mpc_srcbus;
+ int lbus = mp_irqs[i].mp_srcbus;
for (apic = 0; apic < nr_ioapics; apic++)
- if (mp_ioapics[apic].mpc_apicid == mp_irqs[i].mpc_dstapic ||
- mp_irqs[i].mpc_dstapic == MP_APIC_ALL)
+ if (mp_ioapics[apic].mp_apicid == mp_irqs[i].mp_dstapic ||
+ mp_irqs[i].mp_dstapic == MP_APIC_ALL)
break;
if (!test_bit(lbus, mp_bus_not_pci) &&
- !mp_irqs[i].mpc_irqtype &&
+ !mp_irqs[i].mp_irqtype &&
(bus == lbus) &&
- (slot == ((mp_irqs[i].mpc_srcbusirq >> 2) & 0x1f))) {
- int irq = pin_2_irq(i,apic,mp_irqs[i].mpc_dstirq);
+ (slot == ((mp_irqs[i].mp_srcbusirq >> 2) & 0x1f))) {
+ int irq = pin_2_irq(i, apic, mp_irqs[i].mp_dstirq);
if (!(apic || IO_APIC_IRQ(irq)))
continue;
- if (pin == (mp_irqs[i].mpc_srcbusirq & 3))
+ if (pin == (mp_irqs[i].mp_srcbusirq & 3))
return irq;
/*
* Use the first all-but-pin matching entry as a
@@ -900,7 +908,7 @@ int IO_APIC_get_PCI_irq_vector(int bus, int slot, int pin)
EXPORT_SYMBOL(IO_APIC_get_PCI_irq_vector);
/*
- * This function currently is only a helper for the i386 smp boot process where
+ * This function currently is only a helper for the i386 smp boot process where
* we need to reprogram the ioredtbls to cater for the cpus which have come online
* so mask in all cases should simply be TARGET_CPUS
*/
@@ -952,7 +960,7 @@ static int EISA_ELCR(unsigned int irq)
* EISA conforming in the MP table, that means its trigger type must
* be read in from the ELCR */
-#define default_EISA_trigger(idx) (EISA_ELCR(mp_irqs[idx].mpc_srcbusirq))
+#define default_EISA_trigger(idx) (EISA_ELCR(mp_irqs[idx].mp_srcbusirq))
#define default_EISA_polarity(idx) default_ISA_polarity(idx)
/* PCI interrupts are always polarity one level triggered,
@@ -969,118 +977,115 @@ static int EISA_ELCR(unsigned int irq)
static int MPBIOS_polarity(int idx)
{
- int bus = mp_irqs[idx].mpc_srcbus;
+ int bus = mp_irqs[idx].mp_srcbus;
int polarity;
/*
* Determine IRQ line polarity (high active or low active):
*/
- switch (mp_irqs[idx].mpc_irqflag & 3)
+ switch (mp_irqs[idx].mp_irqflag & 3) {
+ case 0: /* conforms, ie. bus-type dependent polarity */
{
- case 0: /* conforms, ie. bus-type dependent polarity */
- {
- polarity = test_bit(bus, mp_bus_not_pci)?
- default_ISA_polarity(idx):
- default_PCI_polarity(idx);
- break;
- }
- case 1: /* high active */
- {
- polarity = 0;
- break;
- }
- case 2: /* reserved */
- {
- printk(KERN_WARNING "broken BIOS!!\n");
- polarity = 1;
- break;
- }
- case 3: /* low active */
- {
- polarity = 1;
- break;
- }
- default: /* invalid */
- {
- printk(KERN_WARNING "broken BIOS!!\n");
- polarity = 1;
- break;
- }
+ polarity = test_bit(bus, mp_bus_not_pci)?
+ default_ISA_polarity(idx):
+ default_PCI_polarity(idx);
+ break;
+ }
+ case 1: /* high active */
+ {
+ polarity = 0;
+ break;
+ }
+ case 2: /* reserved */
+ {
+ printk(KERN_WARNING "broken BIOS!!\n");
+ polarity = 1;
+ break;
+ }
+ case 3: /* low active */
+ {
+ polarity = 1;
+ break;
+ }
+ default: /* invalid */
+ {
+ printk(KERN_WARNING "broken BIOS!!\n");
+ polarity = 1;
+ break;
+ }
}
return polarity;
}
static int MPBIOS_trigger(int idx)
{
- int bus = mp_irqs[idx].mpc_srcbus;
+ int bus = mp_irqs[idx].mp_srcbus;
int trigger;
/*
* Determine IRQ trigger mode (edge or level sensitive):
*/
- switch ((mp_irqs[idx].mpc_irqflag>>2) & 3)
+ switch ((mp_irqs[idx].mp_irqflag>>2) & 3) {
+ case 0: /* conforms, ie. bus-type dependent */
{
- case 0: /* conforms, ie. bus-type dependent */
- {
- trigger = test_bit(bus, mp_bus_not_pci)?
- default_ISA_trigger(idx):
- default_PCI_trigger(idx);
+ trigger = test_bit(bus, mp_bus_not_pci)?
+ default_ISA_trigger(idx):
+ default_PCI_trigger(idx);
#if defined(CONFIG_EISA) || defined(CONFIG_MCA)
- switch (mp_bus_id_to_type[bus])
- {
- case MP_BUS_ISA: /* ISA pin */
- {
- /* set before the switch */
- break;
- }
- case MP_BUS_EISA: /* EISA pin */
- {
- trigger = default_EISA_trigger(idx);
- break;
- }
- case MP_BUS_PCI: /* PCI pin */
- {
- /* set before the switch */
- break;
- }
- case MP_BUS_MCA: /* MCA pin */
- {
- trigger = default_MCA_trigger(idx);
- break;
- }
- default:
- {
- printk(KERN_WARNING "broken BIOS!!\n");
- trigger = 1;
- break;
- }
- }
-#endif
+ switch (mp_bus_id_to_type[bus]) {
+ case MP_BUS_ISA: /* ISA pin */
+ {
+ /* set before the switch */
break;
}
- case 1: /* edge */
+ case MP_BUS_EISA: /* EISA pin */
{
- trigger = 0;
+ trigger = default_EISA_trigger(idx);
break;
}
- case 2: /* reserved */
+ case MP_BUS_PCI: /* PCI pin */
{
- printk(KERN_WARNING "broken BIOS!!\n");
- trigger = 1;
+ /* set before the switch */
break;
}
- case 3: /* level */
+ case MP_BUS_MCA: /* MCA pin */
{
- trigger = 1;
+ trigger = default_MCA_trigger(idx);
break;
}
- default: /* invalid */
+ default:
{
printk(KERN_WARNING "broken BIOS!!\n");
- trigger = 0;
+ trigger = 1;
break;
}
}
+#endif
+ break;
+ }
+ case 1: /* edge */
+ {
+ trigger = 0;
+ break;
+ }
+ case 2: /* reserved */
+ {
+ printk(KERN_WARNING "broken BIOS!!\n");
+ trigger = 1;
+ break;
+ }
+ case 3: /* level */
+ {
+ trigger = 1;
+ break;
+ }
+ default: /* invalid */
+ {
+ printk(KERN_WARNING "broken BIOS!!\n");
+ trigger = 0;
+ break;
+ }
+ }
return trigger;
}
@@ -1097,16 +1102,16 @@ static inline int irq_trigger(int idx)
static int pin_2_irq(int idx, int apic, int pin)
{
int irq, i;
- int bus = mp_irqs[idx].mpc_srcbus;
+ int bus = mp_irqs[idx].mp_srcbus;
/*
* Debugging check, we are in big trouble if this message pops up!
*/
- if (mp_irqs[idx].mpc_dstirq != pin)
+ if (mp_irqs[idx].mp_dstirq != pin)
printk(KERN_ERR "broken BIOS or MPTABLE parser, ayiee!!\n");
if (test_bit(bus, mp_bus_not_pci))
- irq = mp_irqs[idx].mpc_srcbusirq;
+ irq = mp_irqs[idx].mp_srcbusirq;
else {
/*
* PCI IRQs are mapped in order
@@ -1148,8 +1153,8 @@ static inline int IO_APIC_irq_trigger(int irq)
for (apic = 0; apic < nr_ioapics; apic++) {
for (pin = 0; pin < nr_ioapic_registers[apic]; pin++) {
- idx = find_irq_entry(apic,pin,mp_INT);
- if ((idx != -1) && (irq == pin_2_irq(idx,apic,pin)))
+ idx = find_irq_entry(apic, pin, mp_INT);
+ if ((idx != -1) && (irq == pin_2_irq(idx, apic, pin)))
return irq_trigger(idx);
}
}
@@ -1164,7 +1169,7 @@ static u8 irq_vector[NR_IRQ_VECTORS] __read_mostly = { FIRST_DEVICE_VECTOR , 0 }
static int __assign_irq_vector(int irq)
{
- static int current_vector = FIRST_DEVICE_VECTOR, current_offset = 0;
+ static int current_vector = FIRST_DEVICE_VECTOR, current_offset;
int vector, offset;
BUG_ON((unsigned)irq >= NR_IRQ_VECTORS);
@@ -1176,7 +1181,7 @@ static int __assign_irq_vector(int irq)
offset = current_offset;
next:
vector += 8;
- if (vector >= FIRST_SYSTEM_VECTOR) {
+ if (vector >= first_system_vector) {
offset = (offset + 1) % 8;
vector = FIRST_DEVICE_VECTOR + offset;
}
@@ -1203,6 +1208,11 @@ static int assign_irq_vector(int irq)
return vector;
}
+
+void setup_vector_irq(int cpu)
+{
+}
+
static struct irq_chip ioapic_chip;
#define IOAPIC_AUTO -1
@@ -1237,25 +1247,25 @@ static void __init setup_IO_APIC_irqs(void)
/*
* add it to the IO-APIC irq-routing table:
*/
- memset(&entry,0,sizeof(entry));
+ memset(&entry, 0, sizeof(entry));
entry.delivery_mode = INT_DELIVERY_MODE;
entry.dest_mode = INT_DEST_MODE;
entry.mask = 0; /* enable IRQ */
- entry.dest.logical.logical_dest =
+ entry.dest.logical.logical_dest =
cpu_mask_to_apicid(TARGET_CPUS);
- idx = find_irq_entry(apic,pin,mp_INT);
+ idx = find_irq_entry(apic, pin, mp_INT);
if (idx == -1) {
if (first_notcon) {
apic_printk(APIC_VERBOSE, KERN_DEBUG
" IO-APIC (apicid-pin) %d-%d",
- mp_ioapics[apic].mpc_apicid,
+ mp_ioapics[apic].mp_apicid,
pin);
first_notcon = 0;
} else
apic_printk(APIC_VERBOSE, ", %d-%d",
- mp_ioapics[apic].mpc_apicid, pin);
+ mp_ioapics[apic].mp_apicid, pin);
continue;
}
@@ -1289,7 +1299,7 @@ static void __init setup_IO_APIC_irqs(void)
vector = assign_irq_vector(irq);
entry.vector = vector;
ioapic_register_intr(irq, vector, IOAPIC_AUTO);
-
+
if (!apic && (irq < 16))
disable_8259A_irq(irq);
}
@@ -1302,25 +1312,21 @@ static void __init setup_IO_APIC_irqs(void)
}
/*
- * Set up the 8259A-master output pin:
+ * Set up the timer pin, possibly with the 8259A-master behind.
*/
-static void __init setup_ExtINT_IRQ0_pin(unsigned int apic, unsigned int pin, int vector)
+static void __init setup_timer_IRQ0_pin(unsigned int apic, unsigned int pin,
+ int vector)
{
struct IO_APIC_route_entry entry;
- memset(&entry,0,sizeof(entry));
-
- disable_8259A_irq(0);
-
- /* mask LVT0 */
- apic_write_around(APIC_LVT0, APIC_LVT_MASKED | APIC_DM_EXTINT);
+ memset(&entry, 0, sizeof(entry));
/*
* We use logical delivery to get the timer IRQ
* to the first CPU.
*/
entry.dest_mode = INT_DEST_MODE;
- entry.mask = 0; /* unmask IRQ now */
+ entry.mask = 1; /* mask IRQ now */
entry.dest.logical.logical_dest = cpu_mask_to_apicid(TARGET_CPUS);
entry.delivery_mode = INT_DELIVERY_MODE;
entry.polarity = 0;
@@ -1329,17 +1335,14 @@ static void __init setup_ExtINT_IRQ0_pin(unsigned int apic, unsigned int pin, in
/*
* The timer IRQ doesn't have to know that behind the
- * scene we have a 8259A-master in AEOI mode ...
+ * scene we may have a 8259A-master in AEOI mode ...
*/
- irq_desc[0].chip = &ioapic_chip;
- set_irq_handler(0, handle_edge_irq);
+ ioapic_register_intr(0, vector, IOAPIC_EDGE);
/*
* Add it to the IO-APIC irq-routing table:
*/
ioapic_write_entry(apic, pin, entry);
-
- enable_8259A_irq(0);
}
void __init print_IO_APIC(void)
@@ -1354,10 +1357,10 @@ void __init print_IO_APIC(void)
if (apic_verbosity == APIC_QUIET)
return;
- printk(KERN_DEBUG "number of MP IRQ sources: %d.\n", mp_irq_entries);
+ printk(KERN_DEBUG "number of MP IRQ sources: %d.\n", mp_irq_entries);
for (i = 0; i < nr_ioapics; i++)
printk(KERN_DEBUG "number of IO-APIC #%d registers: %d.\n",
- mp_ioapics[i].mpc_apicid, nr_ioapic_registers[i]);
+ mp_ioapics[i].mp_apicid, nr_ioapic_registers[i]);
/*
* We are a bit conservative about what we expect. We have to
@@ -1376,7 +1379,7 @@ void __init print_IO_APIC(void)
reg_03.raw = io_apic_read(apic, 3);
spin_unlock_irqrestore(&ioapic_lock, flags);
- printk(KERN_DEBUG "IO APIC #%d......\n", mp_ioapics[apic].mpc_apicid);
+ printk(KERN_DEBUG "IO APIC #%d......\n", mp_ioapics[apic].mp_apicid);
printk(KERN_DEBUG ".... register #00: %08X\n", reg_00.raw);
printk(KERN_DEBUG "....... : physical APIC id: %02X\n", reg_00.bits.ID);
printk(KERN_DEBUG "....... : Delivery Type: %X\n", reg_00.bits.delivery_type);
@@ -1459,7 +1462,7 @@ void __init print_IO_APIC(void)
#if 0
-static void print_APIC_bitfield (int base)
+static void print_APIC_bitfield(int base)
{
unsigned int v;
int i, j;
@@ -1480,7 +1483,7 @@ static void print_APIC_bitfield (int base)
}
}
-void /*__init*/ print_local_APIC(void * dummy)
+void /*__init*/ print_local_APIC(void *dummy)
{
unsigned int v, ver, maxlvt;
@@ -1489,6 +1492,7 @@ void /*__init*/ print_local_APIC(void * dummy)
printk("\n" KERN_DEBUG "printing local APIC contents on CPU#%d/%d:\n",
smp_processor_id(), hard_smp_processor_id());
+ v = apic_read(APIC_ID);
printk(KERN_INFO "... APIC ID: %08x (%01x)\n", v,
GET_APIC_ID(read_apic_id()));
v = apic_read(APIC_LVR);
@@ -1563,9 +1567,9 @@ void /*__init*/ print_local_APIC(void * dummy)
printk("\n");
}
-void print_all_local_APICs (void)
+void print_all_local_APICs(void)
{
- on_each_cpu(print_local_APIC, NULL, 1, 1);
+ on_each_cpu(print_local_APIC, NULL, 1);
}
void /*__init*/ print_PIC(void)
@@ -1586,11 +1590,11 @@ void /*__init*/ print_PIC(void)
v = inb(0xa0) << 8 | inb(0x20);
printk(KERN_DEBUG "... PIC IRR: %04x\n", v);
- outb(0x0b,0xa0);
- outb(0x0b,0x20);
+ outb(0x0b, 0xa0);
+ outb(0x0b, 0x20);
v = inb(0xa0) << 8 | inb(0x20);
- outb(0x0a,0xa0);
- outb(0x0a,0x20);
+ outb(0x0a, 0xa0);
+ outb(0x0a, 0x20);
spin_unlock_irqrestore(&i8259A_lock, flags);
@@ -1626,7 +1630,7 @@ static void __init enable_IO_APIC(void)
spin_unlock_irqrestore(&ioapic_lock, flags);
nr_ioapic_registers[apic] = reg_01.bits.entries+1;
}
- for(apic = 0; apic < nr_ioapics; apic++) {
+ for (apic = 0; apic < nr_ioapics; apic++) {
int pin;
/* See if any of the pins is in ExtINT mode */
for (pin = 0; pin < nr_ioapic_registers[apic]; pin++) {
@@ -1716,7 +1720,6 @@ void disable_IO_APIC(void)
* by Matt Domsch <Matt_Domsch@dell.com> Tue Dec 21 12:25:05 CST 1999
*/
-#ifndef CONFIG_X86_NUMAQ
static void __init setup_ioapic_ids_from_mpc(void)
{
union IO_APIC_reg_00 reg_00;
@@ -1726,6 +1729,11 @@ static void __init setup_ioapic_ids_from_mpc(void)
unsigned char old_id;
unsigned long flags;
+#ifdef CONFIG_X86_NUMAQ
+ if (found_numaq)
+ return;
+#endif
+
/*
* Don't check I/O APIC IDs for xAPIC systems. They have
* no meaning without the serial APIC bus.
@@ -1748,15 +1756,15 @@ static void __init setup_ioapic_ids_from_mpc(void)
spin_lock_irqsave(&ioapic_lock, flags);
reg_00.raw = io_apic_read(apic, 0);
spin_unlock_irqrestore(&ioapic_lock, flags);
-
- old_id = mp_ioapics[apic].mpc_apicid;
- if (mp_ioapics[apic].mpc_apicid >= get_physical_broadcast()) {
+ old_id = mp_ioapics[apic].mp_apicid;
+
+ if (mp_ioapics[apic].mp_apicid >= get_physical_broadcast()) {
printk(KERN_ERR "BIOS bug, IO-APIC#%d ID is %d in the MPC table!...\n",
- apic, mp_ioapics[apic].mpc_apicid);
+ apic, mp_ioapics[apic].mp_apicid);
printk(KERN_ERR "... fixing up to %d. (tell your hw vendor)\n",
reg_00.bits.ID);
- mp_ioapics[apic].mpc_apicid = reg_00.bits.ID;
+ mp_ioapics[apic].mp_apicid = reg_00.bits.ID;
}
/*
@@ -1765,9 +1773,9 @@ static void __init setup_ioapic_ids_from_mpc(void)
* 'stuck on smp_invalidate_needed IPI wait' messages.
*/
if (check_apicid_used(phys_id_present_map,
- mp_ioapics[apic].mpc_apicid)) {
+ mp_ioapics[apic].mp_apicid)) {
printk(KERN_ERR "BIOS bug, IO-APIC#%d ID %d is already used!...\n",
- apic, mp_ioapics[apic].mpc_apicid);
+ apic, mp_ioapics[apic].mp_apicid);
for (i = 0; i < get_physical_broadcast(); i++)
if (!physid_isset(i, phys_id_present_map))
break;
@@ -1776,13 +1784,13 @@ static void __init setup_ioapic_ids_from_mpc(void)
printk(KERN_ERR "... fixing up to %d. (tell your hw vendor)\n",
i);
physid_set(i, phys_id_present_map);
- mp_ioapics[apic].mpc_apicid = i;
+ mp_ioapics[apic].mp_apicid = i;
} else {
physid_mask_t tmp;
- tmp = apicid_to_cpu_present(mp_ioapics[apic].mpc_apicid);
+ tmp = apicid_to_cpu_present(mp_ioapics[apic].mp_apicid);
apic_printk(APIC_VERBOSE, "Setting %d in the "
"phys_id_present_map\n",
- mp_ioapics[apic].mpc_apicid);
+ mp_ioapics[apic].mp_apicid);
physids_or(phys_id_present_map, phys_id_present_map, tmp);
}
@@ -1791,21 +1799,21 @@ static void __init setup_ioapic_ids_from_mpc(void)
* We need to adjust the IRQ routing table
* if the ID changed.
*/
- if (old_id != mp_ioapics[apic].mpc_apicid)
+ if (old_id != mp_ioapics[apic].mp_apicid)
for (i = 0; i < mp_irq_entries; i++)
- if (mp_irqs[i].mpc_dstapic == old_id)
- mp_irqs[i].mpc_dstapic
- = mp_ioapics[apic].mpc_apicid;
+ if (mp_irqs[i].mp_dstapic == old_id)
+ mp_irqs[i].mp_dstapic
+ = mp_ioapics[apic].mp_apicid;
/*
* Read the right value from the MPC table and
* write it into the ID register.
- */
+ */
apic_printk(APIC_VERBOSE, KERN_INFO
"...changing IO-APIC physical APIC ID to %d ...",
- mp_ioapics[apic].mpc_apicid);
+ mp_ioapics[apic].mp_apicid);
- reg_00.bits.ID = mp_ioapics[apic].mpc_apicid;
+ reg_00.bits.ID = mp_ioapics[apic].mp_apicid;
spin_lock_irqsave(&ioapic_lock, flags);
io_apic_write(apic, 0, reg_00.raw);
spin_unlock_irqrestore(&ioapic_lock, flags);
@@ -1816,15 +1824,12 @@ static void __init setup_ioapic_ids_from_mpc(void)
spin_lock_irqsave(&ioapic_lock, flags);
reg_00.raw = io_apic_read(apic, 0);
spin_unlock_irqrestore(&ioapic_lock, flags);
- if (reg_00.bits.ID != mp_ioapics[apic].mpc_apicid)
+ if (reg_00.bits.ID != mp_ioapics[apic].mp_apicid)
printk("could not set ID!\n");
else
apic_printk(APIC_VERBOSE, " ok.\n");
}
}
-#else
-static void __init setup_ioapic_ids_from_mpc(void) { }
-#endif
int no_timer_check __initdata;
@@ -2015,12 +2020,12 @@ static inline void init_IO_APIC_traps(void)
* The local APIC irq-chip implementation:
*/
-static void ack_apic(unsigned int irq)
+static void ack_lapic_irq(unsigned int irq)
{
ack_APIC_irq();
}
-static void mask_lapic_irq (unsigned int irq)
+static void mask_lapic_irq(unsigned int irq)
{
unsigned long v;
@@ -2028,7 +2033,7 @@ static void mask_lapic_irq (unsigned int irq)
apic_write_around(APIC_LVT0, v | APIC_LVT_MASKED);
}
-static void unmask_lapic_irq (unsigned int irq)
+static void unmask_lapic_irq(unsigned int irq)
{
unsigned long v;
@@ -2037,23 +2042,31 @@ static void unmask_lapic_irq (unsigned int irq)
}
static struct irq_chip lapic_chip __read_mostly = {
- .name = "local-APIC-edge",
+ .name = "local-APIC",
.mask = mask_lapic_irq,
.unmask = unmask_lapic_irq,
- .eoi = ack_apic,
+ .ack = ack_lapic_irq,
};
+static void lapic_register_intr(int irq, int vector)
+{
+ irq_desc[irq].status &= ~IRQ_LEVEL;
+ set_irq_chip_and_handler_name(irq, &lapic_chip, handle_edge_irq,
+ "edge");
+ set_intr_gate(vector, interrupt[irq]);
+}
+
static void __init setup_nmi(void)
{
/*
- * Dirty trick to enable the NMI watchdog ...
+ * Dirty trick to enable the NMI watchdog ...
* We put the 8259A master into AEOI mode and
* unmask on all local APICs LVT0 as NMI.
*
* The idea to use the 8259A in AEOI mode ('8259A Virtual Wire')
* is from Maciej W. Rozycki - so we do not have to EOI from
* the NMI handler or the timer interrupt.
- */
+ */
apic_printk(APIC_VERBOSE, KERN_INFO "activating NMI Watchdog ...");
enable_NMI_through_LVT0();
@@ -2129,11 +2142,16 @@ static inline void __init unlock_ExtINT_logic(void)
static inline void __init check_timer(void)
{
int apic1, pin1, apic2, pin2;
+ int no_pin1 = 0;
int vector;
+ unsigned int ver;
unsigned long flags;
local_irq_save(flags);
+ ver = apic_read(APIC_LVR);
+ ver = GET_APIC_VERSION(ver);
+
/*
* get/set the timer IRQ vector:
*/
@@ -2142,17 +2160,17 @@ static inline void __init check_timer(void)
set_intr_gate(vector, interrupt[0]);
/*
- * Subtle, code in do_timer_interrupt() expects an AEOI
- * mode for the 8259A whenever interrupts are routed
- * through I/O APICs. Also IRQ0 has to be enabled in
- * the 8259A which implies the virtual wire has to be
- * disabled in the local APIC.
+ * As IRQ0 is to be enabled in the 8259A, the virtual
+ * wire has to be disabled in the local APIC. Also
+ * timer interrupts need to be acknowledged manually in
+ * the 8259A for the i82489DX when using the NMI
+ * watchdog as that APIC treats NMIs as level-triggered.
+ * The AEOI mode will finish them in the 8259A
+ * automatically.
*/
apic_write_around(APIC_LVT0, APIC_LVT_MASKED | APIC_DM_EXTINT);
init_8259A(1);
- timer_ack = 1;
- if (timer_over_8254 > 0)
- enable_8259A_irq(0);
+ timer_ack = (nmi_watchdog == NMI_IO_APIC && !APIC_INTEGRATED(ver));
pin1 = find_isa_irq_pin(0, mp_INT);
apic1 = find_isa_irq_apic(0, mp_INT);
@@ -2162,14 +2180,33 @@ static inline void __init check_timer(void)
printk(KERN_INFO "..TIMER: vector=0x%02X apic1=%d pin1=%d apic2=%d pin2=%d\n",
vector, apic1, pin1, apic2, pin2);
+ /*
+ * Some BIOS writers are clueless and report the ExtINTA
+ * I/O APIC input from the cascaded 8259A as the timer
+ * interrupt input. So just in case, if only one pin
+ * was found above, try it both directly and through the
+ * 8259A.
+ */
+ if (pin1 == -1) {
+ pin1 = pin2;
+ apic1 = apic2;
+ no_pin1 = 1;
+ } else if (pin2 == -1) {
+ pin2 = pin1;
+ apic2 = apic1;
+ }
+
if (pin1 != -1) {
/*
* Ok, does IRQ0 through the IOAPIC work?
*/
+ if (no_pin1) {
+ add_pin_to_irq(0, apic1, pin1);
+ setup_timer_IRQ0_pin(apic1, pin1, vector);
+ }
unmask_IO_APIC_irq(0);
if (timer_irq_works()) {
if (nmi_watchdog == NMI_IO_APIC) {
- disable_8259A_irq(0);
setup_nmi();
enable_8259A_irq(0);
}
@@ -2178,45 +2215,47 @@ static inline void __init check_timer(void)
goto out;
}
clear_IO_APIC_pin(apic1, pin1);
- printk(KERN_ERR "..MP-BIOS bug: 8254 timer not connected to "
- "IO-APIC\n");
- }
+ if (!no_pin1)
+ printk(KERN_ERR "..MP-BIOS bug: "
+ "8254 timer not connected to IO-APIC\n");
- printk(KERN_INFO "...trying to set up timer (IRQ0) through the 8259A ... ");
- if (pin2 != -1) {
+ printk(KERN_INFO "...trying to set up timer (IRQ0) "
+ "through the 8259A ... ");
printk("\n..... (found pin %d) ...", pin2);
/*
* legacy devices should be connected to IO APIC #0
*/
- setup_ExtINT_IRQ0_pin(apic2, pin2, vector);
+ replace_pin_at_irq(0, apic1, pin1, apic2, pin2);
+ setup_timer_IRQ0_pin(apic2, pin2, vector);
+ unmask_IO_APIC_irq(0);
+ enable_8259A_irq(0);
if (timer_irq_works()) {
printk("works.\n");
- if (pin1 != -1)
- replace_pin_at_irq(0, apic1, pin1, apic2, pin2);
- else
- add_pin_to_irq(0, apic2, pin2);
+ timer_through_8259 = 1;
if (nmi_watchdog == NMI_IO_APIC) {
+ disable_8259A_irq(0);
setup_nmi();
+ enable_8259A_irq(0);
}
goto out;
}
/*
* Cleanup, just in case ...
*/
+ disable_8259A_irq(0);
clear_IO_APIC_pin(apic2, pin2);
+ printk(" failed.\n");
}
- printk(" failed.\n");
if (nmi_watchdog == NMI_IO_APIC) {
printk(KERN_WARNING "timer doesn't work through the IO-APIC - disabling NMI Watchdog!\n");
- nmi_watchdog = 0;
+ nmi_watchdog = NMI_NONE;
}
+ timer_ack = 0;
printk(KERN_INFO "...trying to set up timer as Virtual Wire IRQ...");
- disable_8259A_irq(0);
- set_irq_chip_and_handler_name(0, &lapic_chip, handle_fasteoi_irq,
- "fasteoi");
+ lapic_register_intr(0, vector);
apic_write_around(APIC_LVT0, APIC_DM_FIXED | vector); /* Fixed mode */
enable_8259A_irq(0);
@@ -2224,12 +2263,12 @@ static inline void __init check_timer(void)
printk(" works.\n");
goto out;
}
+ disable_8259A_irq(0);
apic_write_around(APIC_LVT0, APIC_LVT_MASKED | APIC_DM_FIXED | vector);
printk(" failed.\n");
printk(KERN_INFO "...trying to set up timer as ExtINT IRQ...");
- timer_ack = 0;
init_8259A(0);
make_8259A_irq(0);
apic_write_around(APIC_LVT0, APIC_DM_EXTINT);
@@ -2248,11 +2287,21 @@ out:
}
/*
- *
- * IRQ's that are handled by the PIC in the MPS IOAPIC case.
- * - IRQ2 is the cascade IRQ, and cannot be a io-apic IRQ.
- * Linux doesn't really care, as it's not actually used
- * for any interrupt handling anyway.
+ * Traditionally ISA IRQ2 is the cascade IRQ, and is not available
+ * to devices. However there may be an I/O APIC pin available for
+ * this interrupt regardless. The pin may be left unconnected, but
+ * typically it will be reused as an ExtINT cascade interrupt for
+ * the master 8259A. In the MPS case such a pin will normally be
+ * reported as an ExtINT interrupt in the MP table. With ACPI
+ * there is no provision for ExtINT interrupts, and in the absence
+ * of an override it would be treated as an ordinary ISA I/O APIC
+ * interrupt, that is edge-triggered and unmasked by default. We
+ * used to do this, but it caused problems on some systems because
+ * of the NMI watchdog and sometimes IRQ0 of the 8254 timer using
+ * the same ExtINT cascade interrupt to drive the local APIC of the
+ * bootstrap processor. Therefore we refrain from routing IRQ2 to
+ * the I/O APIC in all cases now. No actual device should request
+ * it anyway. --macro
*/
#define PIC_IRQS (1 << PIC_CASCADE_IR)
@@ -2261,15 +2310,12 @@ void __init setup_IO_APIC(void)
int i;
/* Reserve all the system vectors. */
- for (i = FIRST_SYSTEM_VECTOR; i < NR_VECTORS; i++)
+ for (i = first_system_vector; i < NR_VECTORS; i++)
set_bit(i, used_vectors);
enable_IO_APIC();
- if (acpi_ioapic)
- io_apic_irqs = ~0; /* all IRQs go through IOAPIC */
- else
- io_apic_irqs = ~PIC_IRQS;
+ io_apic_irqs = ~PIC_IRQS;
printk("ENABLING IO-APIC IRQs\n");
@@ -2286,28 +2332,14 @@ void __init setup_IO_APIC(void)
print_IO_APIC();
}
-static int __init setup_disable_8254_timer(char *s)
-{
- timer_over_8254 = -1;
- return 1;
-}
-static int __init setup_enable_8254_timer(char *s)
-{
- timer_over_8254 = 2;
- return 1;
-}
-
-__setup("disable_8254_timer", setup_disable_8254_timer);
-__setup("enable_8254_timer", setup_enable_8254_timer);
-
/*
* Called after all the initialization is done. If we didnt find any
* APIC bugs then we can allow the modify fast path
*/
-
+
static int __init io_apic_bug_finalize(void)
{
- if(sis_apic_bug == -1)
+ if (sis_apic_bug == -1)
sis_apic_bug = 0;
return 0;
}
@@ -2318,17 +2350,17 @@ struct sysfs_ioapic_data {
struct sys_device dev;
struct IO_APIC_route_entry entry[0];
};
-static struct sysfs_ioapic_data * mp_ioapic_data[MAX_IO_APICS];
+static struct sysfs_ioapic_data *mp_ioapic_data[MAX_IO_APICS];
static int ioapic_suspend(struct sys_device *dev, pm_message_t state)
{
struct IO_APIC_route_entry *entry;
struct sysfs_ioapic_data *data;
int i;
-
+
data = container_of(dev, struct sysfs_ioapic_data, dev);
entry = data->entry;
- for (i = 0; i < nr_ioapic_registers[dev->id]; i ++)
+ for (i = 0; i < nr_ioapic_registers[dev->id]; i++)
entry[i] = ioapic_read_entry(dev->id, i);
return 0;
@@ -2341,18 +2373,18 @@ static int ioapic_resume(struct sys_device *dev)
unsigned long flags;
union IO_APIC_reg_00 reg_00;
int i;
-
+
data = container_of(dev, struct sysfs_ioapic_data, dev);
entry = data->entry;
spin_lock_irqsave(&ioapic_lock, flags);
reg_00.raw = io_apic_read(dev->id, 0);
- if (reg_00.bits.ID != mp_ioapics[dev->id].mpc_apicid) {
- reg_00.bits.ID = mp_ioapics[dev->id].mpc_apicid;
+ if (reg_00.bits.ID != mp_ioapics[dev->id].mp_apicid) {
+ reg_00.bits.ID = mp_ioapics[dev->id].mp_apicid;
io_apic_write(dev->id, 0, reg_00.raw);
}
spin_unlock_irqrestore(&ioapic_lock, flags);
- for (i = 0; i < nr_ioapic_registers[dev->id]; i ++)
+ for (i = 0; i < nr_ioapic_registers[dev->id]; i++)
ioapic_write_entry(dev->id, i, entry[i]);
return 0;
@@ -2366,24 +2398,23 @@ static struct sysdev_class ioapic_sysdev_class = {
static int __init ioapic_init_sysfs(void)
{
- struct sys_device * dev;
+ struct sys_device *dev;
int i, size, error = 0;
error = sysdev_class_register(&ioapic_sysdev_class);
if (error)
return error;
- for (i = 0; i < nr_ioapics; i++ ) {
- size = sizeof(struct sys_device) + nr_ioapic_registers[i]
+ for (i = 0; i < nr_ioapics; i++) {
+ size = sizeof(struct sys_device) + nr_ioapic_registers[i]
* sizeof(struct IO_APIC_route_entry);
- mp_ioapic_data[i] = kmalloc(size, GFP_KERNEL);
+ mp_ioapic_data[i] = kzalloc(size, GFP_KERNEL);
if (!mp_ioapic_data[i]) {
printk(KERN_ERR "Can't suspend/resume IOAPIC %d\n", i);
continue;
}
- memset(mp_ioapic_data[i], 0, size);
dev = &mp_ioapic_data[i]->dev;
- dev->id = i;
+ dev->id = i;
dev->cls = &ioapic_sysdev_class;
error = sysdev_register(dev);
if (error) {
@@ -2458,7 +2489,7 @@ static int msi_compose_msg(struct pci_dev *pdev, unsigned int irq, struct msi_ms
msg->address_lo =
MSI_ADDR_BASE_LO |
((INT_DEST_MODE == 0) ?
- MSI_ADDR_DEST_MODE_PHYSICAL:
+MSI_ADDR_DEST_MODE_PHYSICAL:
MSI_ADDR_DEST_MODE_LOGICAL) |
((INT_DELIVERY_MODE != dest_LowestPrio) ?
MSI_ADDR_REDIRECTION_CPU:
@@ -2469,7 +2500,7 @@ static int msi_compose_msg(struct pci_dev *pdev, unsigned int irq, struct msi_ms
MSI_DATA_TRIGGER_EDGE |
MSI_DATA_LEVEL_ASSERT |
((INT_DELIVERY_MODE != dest_LowestPrio) ?
- MSI_DATA_DELIVERY_FIXED:
+MSI_DATA_DELIVERY_FIXED:
MSI_DATA_DELIVERY_LOWPRI) |
MSI_DATA_VECTOR(vector);
}
@@ -2640,12 +2671,12 @@ int arch_setup_ht_irq(unsigned int irq, struct pci_dev *dev)
#endif /* CONFIG_HT_IRQ */
/* --------------------------------------------------------------------------
- ACPI-based IOAPIC Configuration
+ ACPI-based IOAPIC Configuration
-------------------------------------------------------------------------- */
#ifdef CONFIG_ACPI
-int __init io_apic_get_unique_id (int ioapic, int apic_id)
+int __init io_apic_get_unique_id(int ioapic, int apic_id)
{
union IO_APIC_reg_00 reg_00;
static physid_mask_t apic_id_map = PHYSID_MASK_NONE;
@@ -2654,10 +2685,10 @@ int __init io_apic_get_unique_id (int ioapic, int apic_id)
int i = 0;
/*
- * The P4 platform supports up to 256 APIC IDs on two separate APIC
- * buses (one for LAPICs, one for IOAPICs), where predecessors only
+ * The P4 platform supports up to 256 APIC IDs on two separate APIC
+ * buses (one for LAPICs, one for IOAPICs), where predecessors only
* supports up to 16 on one shared APIC bus.
- *
+ *
* TBD: Expand LAPIC/IOAPIC support on P4-class systems to take full
* advantage of new APIC bus architecture.
*/
@@ -2676,7 +2707,7 @@ int __init io_apic_get_unique_id (int ioapic, int apic_id)
}
/*
- * Every APIC in a system must have a unique ID or we get lots of nice
+ * Every APIC in a system must have a unique ID or we get lots of nice
* 'stuck on smp_invalidate_needed IPI wait' messages.
*/
if (check_apicid_used(apic_id_map, apic_id)) {
@@ -2693,7 +2724,7 @@ int __init io_apic_get_unique_id (int ioapic, int apic_id)
"trying %d\n", ioapic, apic_id, i);
apic_id = i;
- }
+ }
tmp = apicid_to_cpu_present(apic_id);
physids_or(apic_id_map, apic_id_map, tmp);
@@ -2720,7 +2751,7 @@ int __init io_apic_get_unique_id (int ioapic, int apic_id)
}
-int __init io_apic_get_version (int ioapic)
+int __init io_apic_get_version(int ioapic)
{
union IO_APIC_reg_01 reg_01;
unsigned long flags;
@@ -2733,7 +2764,7 @@ int __init io_apic_get_version (int ioapic)
}
-int __init io_apic_get_redir_entries (int ioapic)
+int __init io_apic_get_redir_entries(int ioapic)
{
union IO_APIC_reg_01 reg_01;
unsigned long flags;
@@ -2746,7 +2777,7 @@ int __init io_apic_get_redir_entries (int ioapic)
}
-int io_apic_set_pci_routing (int ioapic, int pin, int irq, int edge_level, int active_high_low)
+int io_apic_set_pci_routing(int ioapic, int pin, int irq, int edge_level, int active_high_low)
{
struct IO_APIC_route_entry entry;
@@ -2762,7 +2793,7 @@ int io_apic_set_pci_routing (int ioapic, int pin, int irq, int edge_level, int a
* corresponding device driver registers for this IRQ.
*/
- memset(&entry,0,sizeof(entry));
+ memset(&entry, 0, sizeof(entry));
entry.delivery_mode = INT_DELIVERY_MODE;
entry.dest_mode = INT_DEST_MODE;
@@ -2781,7 +2812,7 @@ int io_apic_set_pci_routing (int ioapic, int pin, int irq, int edge_level, int a
apic_printk(APIC_DEBUG, KERN_DEBUG "IOAPIC[%d]: Set PCI routing entry "
"(%d-%d -> 0x%x -> IRQ %d Mode:%i Active:%i)\n", ioapic,
- mp_ioapics[ioapic].mpc_apicid, pin, entry.vector, irq,
+ mp_ioapics[ioapic].mp_apicid, pin, entry.vector, irq,
edge_level, active_high_low);
ioapic_register_intr(irq, entry.vector, edge_level);
@@ -2802,8 +2833,8 @@ int acpi_get_override_irq(int bus_irq, int *trigger, int *polarity)
return -1;
for (i = 0; i < mp_irq_entries; i++)
- if (mp_irqs[i].mpc_irqtype == mp_INT &&
- mp_irqs[i].mpc_srcbusirq == bus_irq)
+ if (mp_irqs[i].mp_irqtype == mp_INT &&
+ mp_irqs[i].mp_srcbusirq == bus_irq)
break;
if (i >= mp_irq_entries)
return -1;
@@ -2836,3 +2867,34 @@ static int __init parse_noapic(char *arg)
return 0;
}
early_param("noapic", parse_noapic);
+
+void __init ioapic_init_mappings(void)
+{
+ unsigned long ioapic_phys, idx = FIX_IO_APIC_BASE_0;
+ int i;
+
+ for (i = 0; i < nr_ioapics; i++) {
+ if (smp_found_config) {
+ ioapic_phys = mp_ioapics[i].mp_apicaddr;
+ if (!ioapic_phys) {
+ printk(KERN_ERR
+ "WARNING: bogus zero IO-APIC "
+ "address found in MPTABLE, "
+ "disabling IO/APIC support!\n");
+ smp_found_config = 0;
+ skip_ioapic_setup = 1;
+ goto fake_ioapic_page;
+ }
+ } else {
+fake_ioapic_page:
+ ioapic_phys = (unsigned long)
+ alloc_bootmem_pages(PAGE_SIZE);
+ ioapic_phys = __pa(ioapic_phys);
+ }
+ set_fixmap_nocache(idx, ioapic_phys);
+ printk(KERN_DEBUG "mapped IOAPIC to %08lx (%08lx)\n",
+ __fix_to_virt(idx), ioapic_phys);
+ idx++;
+ }
+}
+
diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c
index e2838cbd2ff..bf27114773d 100644
--- a/arch/x86/kernel/io_apic_64.c
+++ b/arch/x86/kernel/io_apic_64.c
@@ -61,7 +61,7 @@ struct irq_cfg {
};
/* irq_cfg is indexed by the sum of all RTEs in all I/O APICs. */
-struct irq_cfg irq_cfg[NR_IRQS] __read_mostly = {
+static struct irq_cfg irq_cfg[NR_IRQS] __read_mostly = {
[0] = { .domain = CPU_MASK_ALL, .vector = IRQ0_VECTOR, },
[1] = { .domain = CPU_MASK_ALL, .vector = IRQ1_VECTOR, },
[2] = { .domain = CPU_MASK_ALL, .vector = IRQ2_VECTOR, },
@@ -82,6 +82,10 @@ struct irq_cfg irq_cfg[NR_IRQS] __read_mostly = {
static int assign_irq_vector(int irq, cpumask_t mask);
+int first_system_vector = 0xfe;
+
+char system_vectors[NR_VECTORS] = { [0 ... NR_VECTORS-1] = SYS_VECTOR_FREE};
+
#define __apicdebuginit __init
int sis_apic_bug; /* not actually supported, dummy for compile */
@@ -90,7 +94,7 @@ static int no_timer_check;
static int disable_timer_pin_1 __initdata;
-int timer_over_8254 __initdata = 1;
+int timer_through_8259 __initdata;
/* Where if anywhere is the i8259 connect in external int mode */
static struct { int pin, apic; } ioapic_i8259 = { -1, -1 };
@@ -104,15 +108,17 @@ DEFINE_SPINLOCK(vector_lock);
int nr_ioapic_registers[MAX_IO_APICS];
/* I/O APIC entries */
-struct mpc_config_ioapic mp_ioapics[MAX_IO_APICS];
+struct mp_config_ioapic mp_ioapics[MAX_IO_APICS];
int nr_ioapics;
/* MP IRQ source entries */
-struct mpc_config_intsrc mp_irqs[MAX_IRQ_SOURCES];
+struct mp_config_intsrc mp_irqs[MAX_IRQ_SOURCES];
/* # of MP IRQ source entries */
int mp_irq_entries;
+DECLARE_BITMAP(mp_bus_not_pci, MAX_MP_BUSSES);
+
/*
* Rough estimation of how many shared IRQs there are, can
* be changed anytime.
@@ -140,7 +146,7 @@ struct io_apic {
static __attribute_const__ struct io_apic __iomem *io_apic_base(int idx)
{
return (void __iomem *) __fix_to_virt(FIX_IO_APIC_BASE_0 + idx)
- + (mp_ioapics[idx].mpc_apicaddr & ~PAGE_MASK);
+ + (mp_ioapics[idx].mp_apicaddr & ~PAGE_MASK);
}
static inline unsigned int io_apic_read(unsigned int apic, unsigned int reg)
@@ -183,7 +189,7 @@ static bool io_apic_level_ack_pending(unsigned int irq)
break;
reg = io_apic_read(entry->apic, 0x10 + pin*2);
/* Is the remote IRR bit set? */
- if ((reg >> 14) & 1) {
+ if (reg & IO_APIC_REDIR_REMOTE_IRR) {
spin_unlock_irqrestore(&ioapic_lock, flags);
return true;
}
@@ -298,7 +304,7 @@ static void __target_IO_APIC_irq(unsigned int irq, unsigned int dest, u8 vector)
break;
io_apic_write(apic, 0x11 + pin*2, dest);
reg = io_apic_read(apic, 0x10 + pin*2);
- reg &= ~0x000000ff;
+ reg &= ~IO_APIC_REDIR_VECTOR_MASK;
reg |= vector;
io_apic_modify(apic, reg);
if (!entry->next)
@@ -360,16 +366,37 @@ static void add_pin_to_irq(unsigned int irq, int apic, int pin)
entry->pin = pin;
}
+/*
+ * Reroute an IRQ to a different pin.
+ */
+static void __init replace_pin_at_irq(unsigned int irq,
+ int oldapic, int oldpin,
+ int newapic, int newpin)
+{
+ struct irq_pin_list *entry = irq_2_pin + irq;
+
+ while (1) {
+ if (entry->apic == oldapic && entry->pin == oldpin) {
+ entry->apic = newapic;
+ entry->pin = newpin;
+ }
+ if (!entry->next)
+ break;
+ entry = irq_2_pin + entry->next;
+ }
+}
+
#define DO_ACTION(name,R,ACTION, FINAL) \
\
static void name##_IO_APIC_irq (unsigned int irq) \
__DO_ACTION(R, ACTION, FINAL)
-DO_ACTION( __mask, 0, |= 0x00010000, io_apic_sync(entry->apic) )
- /* mask = 1 */
-DO_ACTION( __unmask, 0, &= 0xfffeffff, )
- /* mask = 0 */
+/* mask = 1 */
+DO_ACTION(__mask, 0, |= IO_APIC_REDIR_MASKED, io_apic_sync(entry->apic))
+
+/* mask = 0 */
+DO_ACTION(__unmask, 0, &= ~IO_APIC_REDIR_MASKED, )
static void mask_IO_APIC_irq (unsigned int irq)
{
@@ -430,20 +457,6 @@ static int __init disable_timer_pin_setup(char *arg)
}
__setup("disable_timer_pin_1", disable_timer_pin_setup);
-static int __init setup_disable_8254_timer(char *s)
-{
- timer_over_8254 = -1;
- return 1;
-}
-static int __init setup_enable_8254_timer(char *s)
-{
- timer_over_8254 = 2;
- return 1;
-}
-
-__setup("disable_8254_timer", setup_disable_8254_timer);
-__setup("enable_8254_timer", setup_enable_8254_timer);
-
/*
* Find the IRQ entry number of a certain pin.
@@ -453,10 +466,10 @@ static int find_irq_entry(int apic, int pin, int type)
int i;
for (i = 0; i < mp_irq_entries; i++)
- if (mp_irqs[i].mpc_irqtype == type &&
- (mp_irqs[i].mpc_dstapic == mp_ioapics[apic].mpc_apicid ||
- mp_irqs[i].mpc_dstapic == MP_APIC_ALL) &&
- mp_irqs[i].mpc_dstirq == pin)
+ if (mp_irqs[i].mp_irqtype == type &&
+ (mp_irqs[i].mp_dstapic == mp_ioapics[apic].mp_apicid ||
+ mp_irqs[i].mp_dstapic == MP_APIC_ALL) &&
+ mp_irqs[i].mp_dstirq == pin)
return i;
return -1;
@@ -470,13 +483,13 @@ static int __init find_isa_irq_pin(int irq, int type)
int i;
for (i = 0; i < mp_irq_entries; i++) {
- int lbus = mp_irqs[i].mpc_srcbus;
+ int lbus = mp_irqs[i].mp_srcbus;
if (test_bit(lbus, mp_bus_not_pci) &&
- (mp_irqs[i].mpc_irqtype == type) &&
- (mp_irqs[i].mpc_srcbusirq == irq))
+ (mp_irqs[i].mp_irqtype == type) &&
+ (mp_irqs[i].mp_srcbusirq == irq))
- return mp_irqs[i].mpc_dstirq;
+ return mp_irqs[i].mp_dstirq;
}
return -1;
}
@@ -486,17 +499,17 @@ static int __init find_isa_irq_apic(int irq, int type)
int i;
for (i = 0; i < mp_irq_entries; i++) {
- int lbus = mp_irqs[i].mpc_srcbus;
+ int lbus = mp_irqs[i].mp_srcbus;
if (test_bit(lbus, mp_bus_not_pci) &&
- (mp_irqs[i].mpc_irqtype == type) &&
- (mp_irqs[i].mpc_srcbusirq == irq))
+ (mp_irqs[i].mp_irqtype == type) &&
+ (mp_irqs[i].mp_srcbusirq == irq))
break;
}
if (i < mp_irq_entries) {
int apic;
for(apic = 0; apic < nr_ioapics; apic++) {
- if (mp_ioapics[apic].mpc_apicid == mp_irqs[i].mpc_dstapic)
+ if (mp_ioapics[apic].mp_apicid == mp_irqs[i].mp_dstapic)
return apic;
}
}
@@ -516,28 +529,28 @@ int IO_APIC_get_PCI_irq_vector(int bus, int slot, int pin)
apic_printk(APIC_DEBUG, "querying PCI -> IRQ mapping bus:%d, slot:%d, pin:%d.\n",
bus, slot, pin);
- if (mp_bus_id_to_pci_bus[bus] == -1) {
+ if (test_bit(bus, mp_bus_not_pci)) {
apic_printk(APIC_VERBOSE, "PCI BIOS passed nonexistent PCI bus %d!\n", bus);
return -1;
}
for (i = 0; i < mp_irq_entries; i++) {
- int lbus = mp_irqs[i].mpc_srcbus;
+ int lbus = mp_irqs[i].mp_srcbus;
for (apic = 0; apic < nr_ioapics; apic++)
- if (mp_ioapics[apic].mpc_apicid == mp_irqs[i].mpc_dstapic ||
- mp_irqs[i].mpc_dstapic == MP_APIC_ALL)
+ if (mp_ioapics[apic].mp_apicid == mp_irqs[i].mp_dstapic ||
+ mp_irqs[i].mp_dstapic == MP_APIC_ALL)
break;
if (!test_bit(lbus, mp_bus_not_pci) &&
- !mp_irqs[i].mpc_irqtype &&
+ !mp_irqs[i].mp_irqtype &&
(bus == lbus) &&
- (slot == ((mp_irqs[i].mpc_srcbusirq >> 2) & 0x1f))) {
- int irq = pin_2_irq(i,apic,mp_irqs[i].mpc_dstirq);
+ (slot == ((mp_irqs[i].mp_srcbusirq >> 2) & 0x1f))) {
+ int irq = pin_2_irq(i,apic,mp_irqs[i].mp_dstirq);
if (!(apic || IO_APIC_IRQ(irq)))
continue;
- if (pin == (mp_irqs[i].mpc_srcbusirq & 3))
+ if (pin == (mp_irqs[i].mp_srcbusirq & 3))
return irq;
/*
* Use the first all-but-pin matching entry as a
@@ -565,13 +578,13 @@ int IO_APIC_get_PCI_irq_vector(int bus, int slot, int pin)
static int MPBIOS_polarity(int idx)
{
- int bus = mp_irqs[idx].mpc_srcbus;
+ int bus = mp_irqs[idx].mp_srcbus;
int polarity;
/*
* Determine IRQ line polarity (high active or low active):
*/
- switch (mp_irqs[idx].mpc_irqflag & 3)
+ switch (mp_irqs[idx].mp_irqflag & 3)
{
case 0: /* conforms, ie. bus-type dependent polarity */
if (test_bit(bus, mp_bus_not_pci))
@@ -607,13 +620,13 @@ static int MPBIOS_polarity(int idx)
static int MPBIOS_trigger(int idx)
{
- int bus = mp_irqs[idx].mpc_srcbus;
+ int bus = mp_irqs[idx].mp_srcbus;
int trigger;
/*
* Determine IRQ trigger mode (edge or level sensitive):
*/
- switch ((mp_irqs[idx].mpc_irqflag>>2) & 3)
+ switch ((mp_irqs[idx].mp_irqflag>>2) & 3)
{
case 0: /* conforms, ie. bus-type dependent */
if (test_bit(bus, mp_bus_not_pci))
@@ -660,16 +673,16 @@ static inline int irq_trigger(int idx)
static int pin_2_irq(int idx, int apic, int pin)
{
int irq, i;
- int bus = mp_irqs[idx].mpc_srcbus;
+ int bus = mp_irqs[idx].mp_srcbus;
/*
* Debugging check, we are in big trouble if this message pops up!
*/
- if (mp_irqs[idx].mpc_dstirq != pin)
+ if (mp_irqs[idx].mp_dstirq != pin)
printk(KERN_ERR "broken BIOS or MPTABLE parser, ayiee!!\n");
if (test_bit(bus, mp_bus_not_pci)) {
- irq = mp_irqs[idx].mpc_srcbusirq;
+ irq = mp_irqs[idx].mp_srcbusirq;
} else {
/*
* PCI IRQs are mapped in order
@@ -730,7 +743,7 @@ static int __assign_irq_vector(int irq, cpumask_t mask)
offset = current_offset;
next:
vector += 8;
- if (vector >= FIRST_SYSTEM_VECTOR) {
+ if (vector >= first_system_vector) {
/* If we run out of vectors on large boxen, must share them. */
offset = (offset + 1) % 8;
vector = FIRST_DEVICE_VECTOR + offset;
@@ -788,7 +801,7 @@ static void __clear_irq_vector(int irq)
cpus_clear(cfg->domain);
}
-void __setup_vector_irq(int cpu)
+static void __setup_vector_irq(int cpu)
{
/* Initialize vector_irq on a new cpu */
/* This function must be called with vector_lock held */
@@ -811,6 +824,13 @@ void __setup_vector_irq(int cpu)
}
}
+void setup_vector_irq(int cpu)
+{
+ spin_lock(&vector_lock);
+ __setup_vector_irq(smp_processor_id());
+ spin_unlock(&vector_lock);
+}
+
static struct irq_chip ioapic_chip;
@@ -846,7 +866,7 @@ static void setup_IO_APIC_irq(int apic, int pin, unsigned int irq,
apic_printk(APIC_VERBOSE,KERN_DEBUG
"IOAPIC[%d]: Set routing entry (%d-%d -> 0x%x -> "
"IRQ %d Mode:%i Active:%i)\n",
- apic, mp_ioapics[apic].mpc_apicid, pin, cfg->vector,
+ apic, mp_ioapics[apic].mp_apicid, pin, cfg->vector,
irq, trigger, polarity);
/*
@@ -887,10 +907,10 @@ static void __init setup_IO_APIC_irqs(void)
idx = find_irq_entry(apic,pin,mp_INT);
if (idx == -1) {
if (first_notcon) {
- apic_printk(APIC_VERBOSE, KERN_DEBUG " IO-APIC (apicid-pin) %d-%d", mp_ioapics[apic].mpc_apicid, pin);
+ apic_printk(APIC_VERBOSE, KERN_DEBUG " IO-APIC (apicid-pin) %d-%d", mp_ioapics[apic].mp_apicid, pin);
first_notcon = 0;
} else
- apic_printk(APIC_VERBOSE, ", %d-%d", mp_ioapics[apic].mpc_apicid, pin);
+ apic_printk(APIC_VERBOSE, ", %d-%d", mp_ioapics[apic].mp_apicid, pin);
continue;
}
if (!first_notcon) {
@@ -911,26 +931,21 @@ static void __init setup_IO_APIC_irqs(void)
}
/*
- * Set up the 8259A-master output pin as broadcast to all
- * CPUs.
+ * Set up the timer pin, possibly with the 8259A-master behind.
*/
-static void __init setup_ExtINT_IRQ0_pin(unsigned int apic, unsigned int pin, int vector)
+static void __init setup_timer_IRQ0_pin(unsigned int apic, unsigned int pin,
+ int vector)
{
struct IO_APIC_route_entry entry;
memset(&entry, 0, sizeof(entry));
- disable_8259A_irq(0);
-
- /* mask LVT0 */
- apic_write(APIC_LVT0, APIC_LVT_MASKED | APIC_DM_EXTINT);
-
/*
* We use logical delivery to get the timer IRQ
* to the first CPU.
*/
entry.dest_mode = INT_DEST_MODE;
- entry.mask = 0; /* unmask IRQ now */
+ entry.mask = 1; /* mask IRQ now */
entry.dest = cpu_mask_to_apicid(TARGET_CPUS);
entry.delivery_mode = INT_DELIVERY_MODE;
entry.polarity = 0;
@@ -939,7 +954,7 @@ static void __init setup_ExtINT_IRQ0_pin(unsigned int apic, unsigned int pin, in
/*
* The timer IRQ doesn't have to know that behind the
- * scene we have a 8259A-master in AEOI mode ...
+ * scene we may have a 8259A-master in AEOI mode ...
*/
set_irq_chip_and_handler_name(0, &ioapic_chip, handle_edge_irq, "edge");
@@ -947,8 +962,6 @@ static void __init setup_ExtINT_IRQ0_pin(unsigned int apic, unsigned int pin, in
* Add it to the IO-APIC irq-routing table:
*/
ioapic_write_entry(apic, pin, entry);
-
- enable_8259A_irq(0);
}
void __apicdebuginit print_IO_APIC(void)
@@ -965,7 +978,7 @@ void __apicdebuginit print_IO_APIC(void)
printk(KERN_DEBUG "number of MP IRQ sources: %d.\n", mp_irq_entries);
for (i = 0; i < nr_ioapics; i++)
printk(KERN_DEBUG "number of IO-APIC #%d registers: %d.\n",
- mp_ioapics[i].mpc_apicid, nr_ioapic_registers[i]);
+ mp_ioapics[i].mp_apicid, nr_ioapic_registers[i]);
/*
* We are a bit conservative about what we expect. We have to
@@ -983,7 +996,7 @@ void __apicdebuginit print_IO_APIC(void)
spin_unlock_irqrestore(&ioapic_lock, flags);
printk("\n");
- printk(KERN_DEBUG "IO APIC #%d......\n", mp_ioapics[apic].mpc_apicid);
+ printk(KERN_DEBUG "IO APIC #%d......\n", mp_ioapics[apic].mp_apicid);
printk(KERN_DEBUG ".... register #00: %08X\n", reg_00.raw);
printk(KERN_DEBUG "....... : physical APIC id: %02X\n", reg_00.bits.ID);
@@ -1077,6 +1090,7 @@ void __apicdebuginit print_local_APIC(void * dummy)
printk("\n" KERN_DEBUG "printing local APIC contents on CPU#%d/%d:\n",
smp_processor_id(), hard_smp_processor_id());
+ v = apic_read(APIC_ID);
printk(KERN_INFO "... APIC ID: %08x (%01x)\n", v, GET_APIC_ID(read_apic_id()));
v = apic_read(APIC_LVR);
printk(KERN_INFO "... APIC VERSION: %08x\n", v);
@@ -1146,7 +1160,7 @@ void __apicdebuginit print_local_APIC(void * dummy)
void print_all_local_APICs (void)
{
- on_each_cpu(print_local_APIC, NULL, 1, 1);
+ on_each_cpu(print_local_APIC, NULL, 1);
}
void __apicdebuginit print_PIC(void)
@@ -1540,7 +1554,7 @@ static inline void init_IO_APIC_traps(void)
}
}
-static void enable_lapic_irq (unsigned int irq)
+static void unmask_lapic_irq(unsigned int irq)
{
unsigned long v;
@@ -1548,7 +1562,7 @@ static void enable_lapic_irq (unsigned int irq)
apic_write(APIC_LVT0, v & ~APIC_LVT_MASKED);
}
-static void disable_lapic_irq (unsigned int irq)
+static void mask_lapic_irq(unsigned int irq)
{
unsigned long v;
@@ -1561,19 +1575,20 @@ static void ack_lapic_irq (unsigned int irq)
ack_APIC_irq();
}
-static void end_lapic_irq (unsigned int i) { /* nothing */ }
-
-static struct hw_interrupt_type lapic_irq_type __read_mostly = {
- .name = "local-APIC",
- .typename = "local-APIC-edge",
- .startup = NULL, /* startup_irq() not used for IRQ0 */
- .shutdown = NULL, /* shutdown_irq() not used for IRQ0 */
- .enable = enable_lapic_irq,
- .disable = disable_lapic_irq,
- .ack = ack_lapic_irq,
- .end = end_lapic_irq,
+static struct irq_chip lapic_chip __read_mostly = {
+ .name = "local-APIC",
+ .mask = mask_lapic_irq,
+ .unmask = unmask_lapic_irq,
+ .ack = ack_lapic_irq,
};
+static void lapic_register_intr(int irq)
+{
+ irq_desc[irq].status &= ~IRQ_LEVEL;
+ set_irq_chip_and_handler_name(irq, &lapic_chip, handle_edge_irq,
+ "edge");
+}
+
static void __init setup_nmi(void)
{
/*
@@ -1659,6 +1674,7 @@ static inline void __init check_timer(void)
struct irq_cfg *cfg = irq_cfg + 0;
int apic1, pin1, apic2, pin2;
unsigned long flags;
+ int no_pin1 = 0;
local_irq_save(flags);
@@ -1669,16 +1685,11 @@ static inline void __init check_timer(void)
assign_irq_vector(0, TARGET_CPUS);
/*
- * Subtle, code in do_timer_interrupt() expects an AEOI
- * mode for the 8259A whenever interrupts are routed
- * through I/O APICs. Also IRQ0 has to be enabled in
- * the 8259A which implies the virtual wire has to be
- * disabled in the local APIC.
+ * As IRQ0 is to be enabled in the 8259A, the virtual
+ * wire has to be disabled in the local APIC.
*/
apic_write(APIC_LVT0, APIC_LVT_MASKED | APIC_DM_EXTINT);
init_8259A(1);
- if (timer_over_8254 > 0)
- enable_8259A_irq(0);
pin1 = find_isa_irq_pin(0, mp_INT);
apic1 = find_isa_irq_apic(0, mp_INT);
@@ -1688,15 +1699,33 @@ static inline void __init check_timer(void)
apic_printk(APIC_VERBOSE,KERN_INFO "..TIMER: vector=0x%02X apic1=%d pin1=%d apic2=%d pin2=%d\n",
cfg->vector, apic1, pin1, apic2, pin2);
+ /*
+ * Some BIOS writers are clueless and report the ExtINTA
+ * I/O APIC input from the cascaded 8259A as the timer
+ * interrupt input. So just in case, if only one pin
+ * was found above, try it both directly and through the
+ * 8259A.
+ */
+ if (pin1 == -1) {
+ pin1 = pin2;
+ apic1 = apic2;
+ no_pin1 = 1;
+ } else if (pin2 == -1) {
+ pin2 = pin1;
+ apic2 = apic1;
+ }
+
if (pin1 != -1) {
/*
* Ok, does IRQ0 through the IOAPIC work?
*/
+ if (no_pin1) {
+ add_pin_to_irq(0, apic1, pin1);
+ setup_timer_IRQ0_pin(apic1, pin1, cfg->vector);
+ }
unmask_IO_APIC_irq(0);
if (!no_timer_check && timer_irq_works()) {
- nmi_watchdog_default();
if (nmi_watchdog == NMI_IO_APIC) {
- disable_8259A_irq(0);
setup_nmi();
enable_8259A_irq(0);
}
@@ -1705,43 +1734,48 @@ static inline void __init check_timer(void)
goto out;
}
clear_IO_APIC_pin(apic1, pin1);
- apic_printk(APIC_QUIET,KERN_ERR "..MP-BIOS bug: 8254 timer not "
- "connected to IO-APIC\n");
- }
+ if (!no_pin1)
+ apic_printk(APIC_QUIET,KERN_ERR "..MP-BIOS bug: "
+ "8254 timer not connected to IO-APIC\n");
- apic_printk(APIC_VERBOSE,KERN_INFO "...trying to set up timer (IRQ0) "
- "through the 8259A ... ");
- if (pin2 != -1) {
+ apic_printk(APIC_VERBOSE,KERN_INFO
+ "...trying to set up timer (IRQ0) "
+ "through the 8259A ... ");
apic_printk(APIC_VERBOSE,"\n..... (found apic %d pin %d) ...",
apic2, pin2);
/*
* legacy devices should be connected to IO APIC #0
*/
- setup_ExtINT_IRQ0_pin(apic2, pin2, cfg->vector);
+ replace_pin_at_irq(0, apic1, pin1, apic2, pin2);
+ setup_timer_IRQ0_pin(apic2, pin2, cfg->vector);
+ unmask_IO_APIC_irq(0);
+ enable_8259A_irq(0);
if (timer_irq_works()) {
apic_printk(APIC_VERBOSE," works.\n");
- nmi_watchdog_default();
+ timer_through_8259 = 1;
if (nmi_watchdog == NMI_IO_APIC) {
+ disable_8259A_irq(0);
setup_nmi();
+ enable_8259A_irq(0);
}
goto out;
}
/*
* Cleanup, just in case ...
*/
+ disable_8259A_irq(0);
clear_IO_APIC_pin(apic2, pin2);
+ apic_printk(APIC_VERBOSE," failed.\n");
}
- apic_printk(APIC_VERBOSE," failed.\n");
if (nmi_watchdog == NMI_IO_APIC) {
printk(KERN_WARNING "timer doesn't work through the IO-APIC - disabling NMI Watchdog!\n");
- nmi_watchdog = 0;
+ nmi_watchdog = NMI_NONE;
}
apic_printk(APIC_VERBOSE, KERN_INFO "...trying to set up timer as Virtual Wire IRQ...");
- disable_8259A_irq(0);
- irq_desc[0].chip = &lapic_irq_type;
+ lapic_register_intr(0);
apic_write(APIC_LVT0, APIC_DM_FIXED | cfg->vector); /* Fixed mode */
enable_8259A_irq(0);
@@ -1749,6 +1783,7 @@ static inline void __init check_timer(void)
apic_printk(APIC_VERBOSE," works.\n");
goto out;
}
+ disable_8259A_irq(0);
apic_write(APIC_LVT0, APIC_LVT_MASKED | APIC_DM_FIXED | cfg->vector);
apic_printk(APIC_VERBOSE," failed.\n");
@@ -1778,11 +1813,21 @@ static int __init notimercheck(char *s)
__setup("no_timer_check", notimercheck);
/*
- *
- * IRQs that are handled by the PIC in the MPS IOAPIC case.
- * - IRQ2 is the cascade IRQ, and cannot be a io-apic IRQ.
- * Linux doesn't really care, as it's not actually used
- * for any interrupt handling anyway.
+ * Traditionally ISA IRQ2 is the cascade IRQ, and is not available
+ * to devices. However there may be an I/O APIC pin available for
+ * this interrupt regardless. The pin may be left unconnected, but
+ * typically it will be reused as an ExtINT cascade interrupt for
+ * the master 8259A. In the MPS case such a pin will normally be
+ * reported as an ExtINT interrupt in the MP table. With ACPI
+ * there is no provision for ExtINT interrupts, and in the absence
+ * of an override it would be treated as an ordinary ISA I/O APIC
+ * interrupt, that is edge-triggered and unmasked by default. We
+ * used to do this, but it caused problems on some systems because
+ * of the NMI watchdog and sometimes IRQ0 of the 8254 timer using
+ * the same ExtINT cascade interrupt to drive the local APIC of the
+ * bootstrap processor. Therefore we refrain from routing IRQ2 to
+ * the I/O APIC in all cases now. No actual device should request
+ * it anyway. --macro
*/
#define PIC_IRQS (1<<2)
@@ -1793,10 +1838,7 @@ void __init setup_IO_APIC(void)
* calling enable_IO_APIC() is moved to setup_local_APIC for BP
*/
- if (acpi_ioapic)
- io_apic_irqs = ~0; /* all IRQs go through IOAPIC */
- else
- io_apic_irqs = ~PIC_IRQS;
+ io_apic_irqs = ~PIC_IRQS;
apic_printk(APIC_VERBOSE, "ENABLING IO-APIC IRQs\n");
@@ -1841,8 +1883,8 @@ static int ioapic_resume(struct sys_device *dev)
spin_lock_irqsave(&ioapic_lock, flags);
reg_00.raw = io_apic_read(dev->id, 0);
- if (reg_00.bits.ID != mp_ioapics[dev->id].mpc_apicid) {
- reg_00.bits.ID = mp_ioapics[dev->id].mpc_apicid;
+ if (reg_00.bits.ID != mp_ioapics[dev->id].mp_apicid) {
+ reg_00.bits.ID = mp_ioapics[dev->id].mp_apicid;
io_apic_write(dev->id, 0, reg_00.raw);
}
spin_unlock_irqrestore(&ioapic_lock, flags);
@@ -2242,8 +2284,8 @@ int acpi_get_override_irq(int bus_irq, int *trigger, int *polarity)
return -1;
for (i = 0; i < mp_irq_entries; i++)
- if (mp_irqs[i].mpc_irqtype == mp_INT &&
- mp_irqs[i].mpc_srcbusirq == bus_irq)
+ if (mp_irqs[i].mp_irqtype == mp_INT &&
+ mp_irqs[i].mp_srcbusirq == bus_irq)
break;
if (i >= mp_irq_entries)
return -1;
@@ -2336,7 +2378,7 @@ void __init ioapic_init_mappings(void)
ioapic_res = ioapic_setup_resources();
for (i = 0; i < nr_ioapics; i++) {
if (smp_found_config) {
- ioapic_phys = mp_ioapics[i].mpc_apicaddr;
+ ioapic_phys = mp_ioapics[i].mp_apicaddr;
} else {
ioapic_phys = (unsigned long)
alloc_bootmem_pages(PAGE_SIZE);
diff --git a/arch/x86/kernel/ipi.c b/arch/x86/kernel/ipi.c
index c0df7b89ca2..9d98cda39ad 100644
--- a/arch/x86/kernel/ipi.c
+++ b/arch/x86/kernel/ipi.c
@@ -8,7 +8,6 @@
#include <linux/kernel_stat.h>
#include <linux/mc146818rtc.h>
#include <linux/cache.h>
-#include <linux/interrupt.h>
#include <linux/cpu.h>
#include <linux/module.h>
diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c
index 147352df28b..47a6f6f1247 100644
--- a/arch/x86/kernel/irq_32.c
+++ b/arch/x86/kernel/irq_32.c
@@ -48,6 +48,29 @@ void ack_bad_irq(unsigned int irq)
#endif
}
+#ifdef CONFIG_DEBUG_STACKOVERFLOW
+/* Debugging check for stack overflow: is there less than 1KB free? */
+static int check_stack_overflow(void)
+{
+ long sp;
+
+ __asm__ __volatile__("andl %%esp,%0" :
+ "=r" (sp) : "0" (THREAD_SIZE - 1));
+
+ return sp < (sizeof(struct thread_info) + STACK_WARN);
+}
+
+static void print_stack_overflow(void)
+{
+ printk(KERN_WARNING "low stack detected by irq handler\n");
+ dump_stack();
+}
+
+#else
+static inline int check_stack_overflow(void) { return 0; }
+static inline void print_stack_overflow(void) { }
+#endif
+
#ifdef CONFIG_4KSTACKS
/*
* per-CPU IRQ handling contexts (thread information and stack)
@@ -59,48 +82,29 @@ union irq_ctx {
static union irq_ctx *hardirq_ctx[NR_CPUS] __read_mostly;
static union irq_ctx *softirq_ctx[NR_CPUS] __read_mostly;
-#endif
-/*
- * do_IRQ handles all normal device IRQ's (the special
- * SMP cross-CPU interrupts have their own specific
- * handlers).
- */
-unsigned int do_IRQ(struct pt_regs *regs)
-{
- struct pt_regs *old_regs;
- /* high bit used in ret_from_ code */
- int irq = ~regs->orig_ax;
- struct irq_desc *desc = irq_desc + irq;
-#ifdef CONFIG_4KSTACKS
- union irq_ctx *curctx, *irqctx;
- u32 *isp;
-#endif
+static char softirq_stack[NR_CPUS * THREAD_SIZE]
+ __attribute__((__section__(".bss.page_aligned")));
- if (unlikely((unsigned)irq >= NR_IRQS)) {
- printk(KERN_EMERG "%s: cannot handle IRQ %d\n",
- __func__, irq);
- BUG();
- }
+static char hardirq_stack[NR_CPUS * THREAD_SIZE]
+ __attribute__((__section__(".bss.page_aligned")));
- old_regs = set_irq_regs(regs);
- irq_enter();
-#ifdef CONFIG_DEBUG_STACKOVERFLOW
- /* Debugging check for stack overflow: is there less than 1KB free? */
- {
- long sp;
-
- __asm__ __volatile__("andl %%esp,%0" :
- "=r" (sp) : "0" (THREAD_SIZE - 1));
- if (unlikely(sp < (sizeof(struct thread_info) + STACK_WARN))) {
- printk("do_IRQ: stack overflow: %ld\n",
- sp - sizeof(struct thread_info));
- dump_stack();
- }
- }
-#endif
+static void call_on_stack(void *func, void *stack)
+{
+ asm volatile("xchgl %%ebx,%%esp \n"
+ "call *%%edi \n"
+ "movl %%ebx,%%esp \n"
+ : "=b" (stack)
+ : "0" (stack),
+ "D"(func)
+ : "memory", "cc", "edx", "ecx", "eax");
+}
-#ifdef CONFIG_4KSTACKS
+static inline int
+execute_on_irq_stack(int overflow, struct irq_desc *desc, int irq)
+{
+ union irq_ctx *curctx, *irqctx;
+ u32 *isp, arg1, arg2;
curctx = (union irq_ctx *) current_thread_info();
irqctx = hardirq_ctx[smp_processor_id()];
@@ -111,52 +115,39 @@ unsigned int do_IRQ(struct pt_regs *regs)
* handler) we can't do that and just have to keep using the
* current stack (which is the irq stack already after all)
*/
- if (curctx != irqctx) {
- int arg1, arg2, bx;
-
- /* build the stack frame on the IRQ stack */
- isp = (u32*) ((char*)irqctx + sizeof(*irqctx));
- irqctx->tinfo.task = curctx->tinfo.task;
- irqctx->tinfo.previous_esp = current_stack_pointer;
+ if (unlikely(curctx == irqctx))
+ return 0;
- /*
- * Copy the softirq bits in preempt_count so that the
- * softirq checks work in the hardirq context.
- */
- irqctx->tinfo.preempt_count =
- (irqctx->tinfo.preempt_count & ~SOFTIRQ_MASK) |
- (curctx->tinfo.preempt_count & SOFTIRQ_MASK);
-
- asm volatile(
- " xchgl %%ebx,%%esp \n"
- " call *%%edi \n"
- " movl %%ebx,%%esp \n"
- : "=a" (arg1), "=d" (arg2), "=b" (bx)
- : "0" (irq), "1" (desc), "2" (isp),
- "D" (desc->handle_irq)
- : "memory", "cc", "ecx"
- );
- } else
-#endif
- desc->handle_irq(irq, desc);
+ /* build the stack frame on the IRQ stack */
+ isp = (u32 *) ((char*)irqctx + sizeof(*irqctx));
+ irqctx->tinfo.task = curctx->tinfo.task;
+ irqctx->tinfo.previous_esp = current_stack_pointer;
- irq_exit();
- set_irq_regs(old_regs);
+ /*
+ * Copy the softirq bits in preempt_count so that the
+ * softirq checks work in the hardirq context.
+ */
+ irqctx->tinfo.preempt_count =
+ (irqctx->tinfo.preempt_count & ~SOFTIRQ_MASK) |
+ (curctx->tinfo.preempt_count & SOFTIRQ_MASK);
+
+ if (unlikely(overflow))
+ call_on_stack(print_stack_overflow, isp);
+
+ asm volatile("xchgl %%ebx,%%esp \n"
+ "call *%%edi \n"
+ "movl %%ebx,%%esp \n"
+ : "=a" (arg1), "=d" (arg2), "=b" (isp)
+ : "0" (irq), "1" (desc), "2" (isp),
+ "D" (desc->handle_irq)
+ : "memory", "cc", "ecx");
return 1;
}
-#ifdef CONFIG_4KSTACKS
-
-static char softirq_stack[NR_CPUS * THREAD_SIZE]
- __attribute__((__section__(".bss.page_aligned")));
-
-static char hardirq_stack[NR_CPUS * THREAD_SIZE]
- __attribute__((__section__(".bss.page_aligned")));
-
/*
* allocate per-cpu stacks for hardirq and for softirq processing
*/
-void irq_ctx_init(int cpu)
+void __cpuinit irq_ctx_init(int cpu)
{
union irq_ctx *irqctx;
@@ -164,25 +155,25 @@ void irq_ctx_init(int cpu)
return;
irqctx = (union irq_ctx*) &hardirq_stack[cpu*THREAD_SIZE];
- irqctx->tinfo.task = NULL;
- irqctx->tinfo.exec_domain = NULL;
- irqctx->tinfo.cpu = cpu;
- irqctx->tinfo.preempt_count = HARDIRQ_OFFSET;
- irqctx->tinfo.addr_limit = MAKE_MM_SEG(0);
+ irqctx->tinfo.task = NULL;
+ irqctx->tinfo.exec_domain = NULL;
+ irqctx->tinfo.cpu = cpu;
+ irqctx->tinfo.preempt_count = HARDIRQ_OFFSET;
+ irqctx->tinfo.addr_limit = MAKE_MM_SEG(0);
hardirq_ctx[cpu] = irqctx;
irqctx = (union irq_ctx*) &softirq_stack[cpu*THREAD_SIZE];
- irqctx->tinfo.task = NULL;
- irqctx->tinfo.exec_domain = NULL;
- irqctx->tinfo.cpu = cpu;
- irqctx->tinfo.preempt_count = 0;
- irqctx->tinfo.addr_limit = MAKE_MM_SEG(0);
+ irqctx->tinfo.task = NULL;
+ irqctx->tinfo.exec_domain = NULL;
+ irqctx->tinfo.cpu = cpu;
+ irqctx->tinfo.preempt_count = 0;
+ irqctx->tinfo.addr_limit = MAKE_MM_SEG(0);
softirq_ctx[cpu] = irqctx;
- printk("CPU %u irqstacks, hard=%p soft=%p\n",
- cpu,hardirq_ctx[cpu],softirq_ctx[cpu]);
+ printk(KERN_DEBUG "CPU %u irqstacks, hard=%p soft=%p\n",
+ cpu,hardirq_ctx[cpu],softirq_ctx[cpu]);
}
void irq_ctx_exit(int cpu)
@@ -211,25 +202,56 @@ asmlinkage void do_softirq(void)
/* build the stack frame on the softirq stack */
isp = (u32*) ((char*)irqctx + sizeof(*irqctx));
- asm volatile(
- " xchgl %%ebx,%%esp \n"
- " call __do_softirq \n"
- " movl %%ebx,%%esp \n"
- : "=b"(isp)
- : "0"(isp)
- : "memory", "cc", "edx", "ecx", "eax"
- );
+ call_on_stack(__do_softirq, isp);
/*
* Shouldnt happen, we returned above if in_interrupt():
- */
+ */
WARN_ON_ONCE(softirq_count());
}
local_irq_restore(flags);
}
+
+#else
+static inline int
+execute_on_irq_stack(int overflow, struct irq_desc *desc, int irq) { return 0; }
#endif
/*
+ * do_IRQ handles all normal device IRQ's (the special
+ * SMP cross-CPU interrupts have their own specific
+ * handlers).
+ */
+unsigned int do_IRQ(struct pt_regs *regs)
+{
+ struct pt_regs *old_regs;
+ /* high bit used in ret_from_ code */
+ int overflow, irq = ~regs->orig_ax;
+ struct irq_desc *desc = irq_desc + irq;
+
+ if (unlikely((unsigned)irq >= NR_IRQS)) {
+ printk(KERN_EMERG "%s: cannot handle IRQ %d\n",
+ __func__, irq);
+ BUG();
+ }
+
+ old_regs = set_irq_regs(regs);
+ irq_enter();
+
+ overflow = check_stack_overflow();
+
+ if (!execute_on_irq_stack(overflow, desc, irq)) {
+ if (unlikely(overflow))
+ print_stack_overflow();
+ desc->handle_irq(irq, desc);
+ }
+
+ irq_exit();
+ set_irq_regs(old_regs);
+ return 1;
+}
+
+/*
* Interrupt statistics:
*/
@@ -313,16 +335,20 @@ skip:
per_cpu(irq_stat,j).irq_tlb_count);
seq_printf(p, " TLB shootdowns\n");
#endif
+#ifdef CONFIG_X86_MCE
seq_printf(p, "TRM: ");
for_each_online_cpu(j)
seq_printf(p, "%10u ",
per_cpu(irq_stat,j).irq_thermal_count);
seq_printf(p, " Thermal event interrupts\n");
+#endif
+#ifdef CONFIG_X86_LOCAL_APIC
seq_printf(p, "SPU: ");
for_each_online_cpu(j)
seq_printf(p, "%10u ",
per_cpu(irq_stat,j).irq_spurious_count);
seq_printf(p, " Spurious interrupts\n");
+#endif
seq_printf(p, "ERR: %10u\n", atomic_read(&irq_err_count));
#if defined(CONFIG_X86_IO_APIC)
seq_printf(p, "MIS: %10u\n", atomic_read(&irq_mis_count));
@@ -331,6 +357,40 @@ skip:
return 0;
}
+/*
+ * /proc/stat helpers
+ */
+u64 arch_irq_stat_cpu(unsigned int cpu)
+{
+ u64 sum = nmi_count(cpu);
+
+#ifdef CONFIG_X86_LOCAL_APIC
+ sum += per_cpu(irq_stat, cpu).apic_timer_irqs;
+#endif
+#ifdef CONFIG_SMP
+ sum += per_cpu(irq_stat, cpu).irq_resched_count;
+ sum += per_cpu(irq_stat, cpu).irq_call_count;
+ sum += per_cpu(irq_stat, cpu).irq_tlb_count;
+#endif
+#ifdef CONFIG_X86_MCE
+ sum += per_cpu(irq_stat, cpu).irq_thermal_count;
+#endif
+#ifdef CONFIG_X86_LOCAL_APIC
+ sum += per_cpu(irq_stat, cpu).irq_spurious_count;
+#endif
+ return sum;
+}
+
+u64 arch_irq_stat(void)
+{
+ u64 sum = atomic_read(&irq_err_count);
+
+#ifdef CONFIG_X86_IO_APIC
+ sum += atomic_read(&irq_mis_count);
+#endif
+ return sum;
+}
+
#ifdef CONFIG_HOTPLUG_CPU
#include <mach_apic.h>
diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c
index 3aac15466a9..1f78b238d8d 100644
--- a/arch/x86/kernel/irq_64.c
+++ b/arch/x86/kernel/irq_64.c
@@ -135,6 +135,7 @@ skip:
seq_printf(p, "%10u ", cpu_pda(j)->irq_tlb_count);
seq_printf(p, " TLB shootdowns\n");
#endif
+#ifdef CONFIG_X86_MCE
seq_printf(p, "TRM: ");
for_each_online_cpu(j)
seq_printf(p, "%10u ", cpu_pda(j)->irq_thermal_count);
@@ -143,6 +144,7 @@ skip:
for_each_online_cpu(j)
seq_printf(p, "%10u ", cpu_pda(j)->irq_threshold_count);
seq_printf(p, " Threshold APIC interrupts\n");
+#endif
seq_printf(p, "SPU: ");
for_each_online_cpu(j)
seq_printf(p, "%10u ", cpu_pda(j)->irq_spurious_count);
@@ -153,6 +155,32 @@ skip:
}
/*
+ * /proc/stat helpers
+ */
+u64 arch_irq_stat_cpu(unsigned int cpu)
+{
+ u64 sum = cpu_pda(cpu)->__nmi_count;
+
+ sum += cpu_pda(cpu)->apic_timer_irqs;
+#ifdef CONFIG_SMP
+ sum += cpu_pda(cpu)->irq_resched_count;
+ sum += cpu_pda(cpu)->irq_call_count;
+ sum += cpu_pda(cpu)->irq_tlb_count;
+#endif
+#ifdef CONFIG_X86_MCE
+ sum += cpu_pda(cpu)->irq_thermal_count;
+ sum += cpu_pda(cpu)->irq_threshold_count;
+#endif
+ sum += cpu_pda(cpu)->irq_spurious_count;
+ return sum;
+}
+
+u64 arch_irq_stat(void)
+{
+ return atomic_read(&irq_err_count);
+}
+
+/*
* do_IRQ handles all normal device IRQ's (the special
* SMP cross-CPU interrupts have their own specific
* handlers).
diff --git a/arch/x86/kernel/irqinit_32.c b/arch/x86/kernel/irqinit_32.c
new file mode 100644
index 00000000000..d66914287ee
--- /dev/null
+++ b/arch/x86/kernel/irqinit_32.c
@@ -0,0 +1,114 @@
+#include <linux/errno.h>
+#include <linux/signal.h>
+#include <linux/sched.h>
+#include <linux/ioport.h>
+#include <linux/interrupt.h>
+#include <linux/slab.h>
+#include <linux/random.h>
+#include <linux/init.h>
+#include <linux/kernel_stat.h>
+#include <linux/sysdev.h>
+#include <linux/bitops.h>
+
+#include <asm/atomic.h>
+#include <asm/system.h>
+#include <asm/io.h>
+#include <asm/timer.h>
+#include <asm/pgtable.h>
+#include <asm/delay.h>
+#include <asm/desc.h>
+#include <asm/apic.h>
+#include <asm/arch_hooks.h>
+#include <asm/i8259.h>
+
+
+
+/*
+ * Note that on a 486, we don't want to do a SIGFPE on an irq13
+ * as the irq is unreliable, and exception 16 works correctly
+ * (ie as explained in the intel literature). On a 386, you
+ * can't use exception 16 due to bad IBM design, so we have to
+ * rely on the less exact irq13.
+ *
+ * Careful.. Not only is IRQ13 unreliable, but it is also
+ * leads to races. IBM designers who came up with it should
+ * be shot.
+ */
+
+
+static irqreturn_t math_error_irq(int cpl, void *dev_id)
+{
+ extern void math_error(void __user *);
+ outb(0,0xF0);
+ if (ignore_fpu_irq || !boot_cpu_data.hard_math)
+ return IRQ_NONE;
+ math_error((void __user *)get_irq_regs()->ip);
+ return IRQ_HANDLED;
+}
+
+/*
+ * New motherboards sometimes make IRQ 13 be a PCI interrupt,
+ * so allow interrupt sharing.
+ */
+static struct irqaction fpu_irq = {
+ .handler = math_error_irq,
+ .mask = CPU_MASK_NONE,
+ .name = "fpu",
+};
+
+void __init init_ISA_irqs (void)
+{
+ int i;
+
+#ifdef CONFIG_X86_LOCAL_APIC
+ init_bsp_APIC();
+#endif
+ init_8259A(0);
+
+ /*
+ * 16 old-style INTA-cycle interrupts:
+ */
+ for (i = 0; i < 16; i++) {
+ set_irq_chip_and_handler_name(i, &i8259A_chip,
+ handle_level_irq, "XT");
+ }
+}
+
+/* Overridden in paravirt.c */
+void init_IRQ(void) __attribute__((weak, alias("native_init_IRQ")));
+
+void __init native_init_IRQ(void)
+{
+ int i;
+
+ /* all the set up before the call gates are initialised */
+ pre_intr_init_hook();
+
+ /*
+ * Cover the whole vector space, no vector can escape
+ * us. (some of these will be overridden and become
+ * 'special' SMP interrupts)
+ */
+ for (i = 0; i < (NR_VECTORS - FIRST_EXTERNAL_VECTOR); i++) {
+ int vector = FIRST_EXTERNAL_VECTOR + i;
+ if (i >= NR_IRQS)
+ break;
+ /* SYSCALL_VECTOR was reserved in trap_init. */
+ if (!test_bit(vector, used_vectors))
+ set_intr_gate(vector, interrupt[i]);
+ }
+
+ /* setup after call gates are initialised (usually add in
+ * the architecture specific gates)
+ */
+ intr_init_hook();
+
+ /*
+ * External FPU? Set up irq13 if so, for
+ * original braindamaged IBM FERR coupling.
+ */
+ if (boot_cpu_data.hard_math && !cpu_has_fpu)
+ setup_irq(FPU_IRQ, &fpu_irq);
+
+ irq_ctx_init(smp_processor_id());
+}
diff --git a/arch/x86/kernel/irqinit_64.c b/arch/x86/kernel/irqinit_64.c
new file mode 100644
index 00000000000..0373e88de95
--- /dev/null
+++ b/arch/x86/kernel/irqinit_64.c
@@ -0,0 +1,221 @@
+#include <linux/linkage.h>
+#include <linux/errno.h>
+#include <linux/signal.h>
+#include <linux/sched.h>
+#include <linux/ioport.h>
+#include <linux/interrupt.h>
+#include <linux/timex.h>
+#include <linux/slab.h>
+#include <linux/random.h>
+#include <linux/init.h>
+#include <linux/kernel_stat.h>
+#include <linux/sysdev.h>
+#include <linux/bitops.h>
+
+#include <asm/acpi.h>
+#include <asm/atomic.h>
+#include <asm/system.h>
+#include <asm/io.h>
+#include <asm/hw_irq.h>
+#include <asm/pgtable.h>
+#include <asm/delay.h>
+#include <asm/desc.h>
+#include <asm/apic.h>
+#include <asm/i8259.h>
+
+/*
+ * Common place to define all x86 IRQ vectors
+ *
+ * This builds up the IRQ handler stubs using some ugly macros in irq.h
+ *
+ * These macros create the low-level assembly IRQ routines that save
+ * register context and call do_IRQ(). do_IRQ() then does all the
+ * operations that are needed to keep the AT (or SMP IOAPIC)
+ * interrupt-controller happy.
+ */
+
+#define IRQ_NAME2(nr) nr##_interrupt(void)
+#define IRQ_NAME(nr) IRQ_NAME2(IRQ##nr)
+
+/*
+ * SMP has a few special interrupts for IPI messages
+ */
+
+#define BUILD_IRQ(nr) \
+ asmlinkage void IRQ_NAME(nr); \
+ asm("\n.p2align\n" \
+ "IRQ" #nr "_interrupt:\n\t" \
+ "push $~(" #nr ") ; " \
+ "jmp common_interrupt");
+
+#define BI(x,y) \
+ BUILD_IRQ(x##y)
+
+#define BUILD_16_IRQS(x) \
+ BI(x,0) BI(x,1) BI(x,2) BI(x,3) \
+ BI(x,4) BI(x,5) BI(x,6) BI(x,7) \
+ BI(x,8) BI(x,9) BI(x,a) BI(x,b) \
+ BI(x,c) BI(x,d) BI(x,e) BI(x,f)
+
+/*
+ * ISA PIC or low IO-APIC triggered (INTA-cycle or APIC) interrupts:
+ * (these are usually mapped to vectors 0x30-0x3f)
+ */
+
+/*
+ * The IO-APIC gives us many more interrupt sources. Most of these
+ * are unused but an SMP system is supposed to have enough memory ...
+ * sometimes (mostly wrt. hw bugs) we get corrupted vectors all
+ * across the spectrum, so we really want to be prepared to get all
+ * of these. Plus, more powerful systems might have more than 64
+ * IO-APIC registers.
+ *
+ * (these are usually mapped into the 0x30-0xff vector range)
+ */
+ BUILD_16_IRQS(0x2) BUILD_16_IRQS(0x3)
+BUILD_16_IRQS(0x4) BUILD_16_IRQS(0x5) BUILD_16_IRQS(0x6) BUILD_16_IRQS(0x7)
+BUILD_16_IRQS(0x8) BUILD_16_IRQS(0x9) BUILD_16_IRQS(0xa) BUILD_16_IRQS(0xb)
+BUILD_16_IRQS(0xc) BUILD_16_IRQS(0xd) BUILD_16_IRQS(0xe) BUILD_16_IRQS(0xf)
+
+#undef BUILD_16_IRQS
+#undef BI
+
+
+#define IRQ(x,y) \
+ IRQ##x##y##_interrupt
+
+#define IRQLIST_16(x) \
+ IRQ(x,0), IRQ(x,1), IRQ(x,2), IRQ(x,3), \
+ IRQ(x,4), IRQ(x,5), IRQ(x,6), IRQ(x,7), \
+ IRQ(x,8), IRQ(x,9), IRQ(x,a), IRQ(x,b), \
+ IRQ(x,c), IRQ(x,d), IRQ(x,e), IRQ(x,f)
+
+/* for the irq vectors */
+static void (*__initdata interrupt[NR_VECTORS - FIRST_EXTERNAL_VECTOR])(void) = {
+ IRQLIST_16(0x2), IRQLIST_16(0x3),
+ IRQLIST_16(0x4), IRQLIST_16(0x5), IRQLIST_16(0x6), IRQLIST_16(0x7),
+ IRQLIST_16(0x8), IRQLIST_16(0x9), IRQLIST_16(0xa), IRQLIST_16(0xb),
+ IRQLIST_16(0xc), IRQLIST_16(0xd), IRQLIST_16(0xe), IRQLIST_16(0xf)
+};
+
+#undef IRQ
+#undef IRQLIST_16
+
+
+
+
+/*
+ * IRQ2 is cascade interrupt to second interrupt controller
+ */
+
+static struct irqaction irq2 = {
+ .handler = no_action,
+ .mask = CPU_MASK_NONE,
+ .name = "cascade",
+};
+DEFINE_PER_CPU(vector_irq_t, vector_irq) = {
+ [0 ... IRQ0_VECTOR - 1] = -1,
+ [IRQ0_VECTOR] = 0,
+ [IRQ1_VECTOR] = 1,
+ [IRQ2_VECTOR] = 2,
+ [IRQ3_VECTOR] = 3,
+ [IRQ4_VECTOR] = 4,
+ [IRQ5_VECTOR] = 5,
+ [IRQ6_VECTOR] = 6,
+ [IRQ7_VECTOR] = 7,
+ [IRQ8_VECTOR] = 8,
+ [IRQ9_VECTOR] = 9,
+ [IRQ10_VECTOR] = 10,
+ [IRQ11_VECTOR] = 11,
+ [IRQ12_VECTOR] = 12,
+ [IRQ13_VECTOR] = 13,
+ [IRQ14_VECTOR] = 14,
+ [IRQ15_VECTOR] = 15,
+ [IRQ15_VECTOR + 1 ... NR_VECTORS - 1] = -1
+};
+
+static void __init init_ISA_irqs (void)
+{
+ int i;
+
+ init_bsp_APIC();
+ init_8259A(0);
+
+ for (i = 0; i < NR_IRQS; i++) {
+ irq_desc[i].status = IRQ_DISABLED;
+ irq_desc[i].action = NULL;
+ irq_desc[i].depth = 1;
+
+ if (i < 16) {
+ /*
+ * 16 old-style INTA-cycle interrupts:
+ */
+ set_irq_chip_and_handler_name(i, &i8259A_chip,
+ handle_level_irq, "XT");
+ } else {
+ /*
+ * 'high' PCI IRQs filled in on demand
+ */
+ irq_desc[i].chip = &no_irq_chip;
+ }
+ }
+}
+
+void init_IRQ(void) __attribute__((weak, alias("native_init_IRQ")));
+
+void __init native_init_IRQ(void)
+{
+ int i;
+
+ init_ISA_irqs();
+ /*
+ * Cover the whole vector space, no vector can escape
+ * us. (some of these will be overridden and become
+ * 'special' SMP interrupts)
+ */
+ for (i = 0; i < (NR_VECTORS - FIRST_EXTERNAL_VECTOR); i++) {
+ int vector = FIRST_EXTERNAL_VECTOR + i;
+ if (vector != IA32_SYSCALL_VECTOR)
+ set_intr_gate(vector, interrupt[i]);
+ }
+
+#ifdef CONFIG_SMP
+ /*
+ * The reschedule interrupt is a CPU-to-CPU reschedule-helper
+ * IPI, driven by wakeup.
+ */
+ alloc_intr_gate(RESCHEDULE_VECTOR, reschedule_interrupt);
+
+ /* IPIs for invalidation */
+ alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+0, invalidate_interrupt0);
+ alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+1, invalidate_interrupt1);
+ alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+2, invalidate_interrupt2);
+ alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+3, invalidate_interrupt3);
+ alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+4, invalidate_interrupt4);
+ alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+5, invalidate_interrupt5);
+ alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+6, invalidate_interrupt6);
+ alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+7, invalidate_interrupt7);
+
+ /* IPI for generic function call */
+ alloc_intr_gate(CALL_FUNCTION_VECTOR, call_function_interrupt);
+
+ /* IPI for generic single function call */
+ alloc_intr_gate(CALL_FUNCTION_SINGLE_VECTOR,
+ call_function_single_interrupt);
+
+ /* Low priority IPI to cleanup after moving an irq */
+ set_intr_gate(IRQ_MOVE_CLEANUP_VECTOR, irq_move_cleanup_interrupt);
+#endif
+ alloc_intr_gate(THERMAL_APIC_VECTOR, thermal_interrupt);
+ alloc_intr_gate(THRESHOLD_APIC_VECTOR, threshold_interrupt);
+
+ /* self generated IPI for local APIC timer */
+ alloc_intr_gate(LOCAL_TIMER_VECTOR, apic_timer_interrupt);
+
+ /* IPI vectors for APIC spurious and error interrupts */
+ alloc_intr_gate(SPURIOUS_APIC_VECTOR, spurious_interrupt);
+ alloc_intr_gate(ERROR_APIC_VECTOR, error_interrupt);
+
+ if (!acpi_ioapic)
+ setup_irq(2, &irq2);
+}
diff --git a/arch/x86/kernel/ldt.c b/arch/x86/kernel/ldt.c
index 0224c3637c7..a8449571858 100644
--- a/arch/x86/kernel/ldt.c
+++ b/arch/x86/kernel/ldt.c
@@ -20,9 +20,9 @@
#include <asm/mmu_context.h>
#ifdef CONFIG_SMP
-static void flush_ldt(void *null)
+static void flush_ldt(void *current_mm)
{
- if (current->active_mm)
+ if (current->active_mm == current_mm)
load_LDT(&current->active_mm->context);
}
#endif
@@ -68,7 +68,7 @@ static int alloc_ldt(mm_context_t *pc, int mincount, int reload)
load_LDT(pc);
mask = cpumask_of_cpu(smp_processor_id());
if (!cpus_equal(current->mm->cpu_vm_mask, mask))
- smp_call_function(flush_ldt, NULL, 1, 1);
+ smp_call_function(flush_ldt, current->mm, 1);
preempt_enable();
#else
load_LDT(pc);
diff --git a/arch/x86/kernel/machine_kexec_32.c b/arch/x86/kernel/machine_kexec_32.c
index d0b234c9fc3..8864230d55a 100644
--- a/arch/x86/kernel/machine_kexec_32.c
+++ b/arch/x86/kernel/machine_kexec_32.c
@@ -11,6 +11,8 @@
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/numa.h>
+#include <linux/ftrace.h>
+
#include <asm/pgtable.h>
#include <asm/pgalloc.h>
#include <asm/tlbflush.h>
@@ -39,7 +41,7 @@ static void set_idt(void *newidt, __u16 limit)
curidt.address = (unsigned long)newidt;
load_idt(&curidt);
-};
+}
static void set_gdt(void *newgdt, __u16 limit)
@@ -51,7 +53,7 @@ static void set_gdt(void *newgdt, __u16 limit)
curgdt.address = (unsigned long)newgdt;
load_gdt(&curgdt);
-};
+}
static void load_segments(void)
{
@@ -107,6 +109,8 @@ NORET_TYPE void machine_kexec(struct kimage *image)
unsigned long page_list[PAGES_NR];
void *control_page;
+ tracer_disable();
+
/* Interrupts aren't acceptable while we reboot */
local_irq_disable();
diff --git a/arch/x86/kernel/machine_kexec_64.c b/arch/x86/kernel/machine_kexec_64.c
index 576a03db451..9dd9262693a 100644
--- a/arch/x86/kernel/machine_kexec_64.c
+++ b/arch/x86/kernel/machine_kexec_64.c
@@ -11,6 +11,8 @@
#include <linux/string.h>
#include <linux/reboot.h>
#include <linux/numa.h>
+#include <linux/ftrace.h>
+
#include <asm/pgtable.h>
#include <asm/tlbflush.h>
#include <asm/mmu_context.h>
@@ -110,7 +112,7 @@ static int init_pgtable(struct kimage *image, unsigned long start_pgtable)
{
pgd_t *level4p;
level4p = (pgd_t *)__va(start_pgtable);
- return init_level4_page(image, level4p, 0, end_pfn << PAGE_SHIFT);
+ return init_level4_page(image, level4p, 0, max_pfn << PAGE_SHIFT);
}
static void set_idt(void *newidt, u16 limit)
@@ -184,6 +186,8 @@ NORET_TYPE void machine_kexec(struct kimage *image)
unsigned long page_list[PAGES_NR];
void *control_page;
+ tracer_disable();
+
/* Interrupts aren't acceptable while we reboot */
local_irq_disable();
diff --git a/arch/x86/kernel/microcode.c b/arch/x86/kernel/microcode.c
index 69729e38b78..56b933119a0 100644
--- a/arch/x86/kernel/microcode.c
+++ b/arch/x86/kernel/microcode.c
@@ -5,13 +5,14 @@
* 2006 Shaohua Li <shaohua.li@intel.com>
*
* This driver allows to upgrade microcode on Intel processors
- * belonging to IA-32 family - PentiumPro, Pentium II,
+ * belonging to IA-32 family - PentiumPro, Pentium II,
* Pentium III, Xeon, Pentium 4, etc.
*
- * Reference: Section 8.10 of Volume III, Intel Pentium 4 Manual,
- * Order Number 245472 or free download from:
- *
- * http://developer.intel.com/design/pentium4/manuals/245472.htm
+ * Reference: Section 8.11 of Volume 3a, IA-32 Intel? Architecture
+ * Software Developer's Manual
+ * Order Number 253668 or free download from:
+ *
+ * http://developer.intel.com/design/pentium4/manuals/253668.htm
*
* For more information, go to http://www.urbanmyth.org/microcode
*
@@ -58,12 +59,12 @@
* nature of implementation.
* 1.11 22 Mar 2002 Tigran Aivazian <tigran@veritas.com>
* Fix the panic when writing zero-length microcode chunk.
- * 1.12 29 Sep 2003 Nitin Kamble <nitin.a.kamble@intel.com>,
+ * 1.12 29 Sep 2003 Nitin Kamble <nitin.a.kamble@intel.com>,
* Jun Nakajima <jun.nakajima@intel.com>
* Support for the microcode updates in the new format.
* 1.13 10 Oct 2003 Tigran Aivazian <tigran@veritas.com>
* Removed ->read() method and obsoleted MICROCODE_IOCFREE ioctl
- * because we no longer hold a copy of applied microcode
+ * because we no longer hold a copy of applied microcode
* in kernel memory.
* 1.14 25 Jun 2004 Tigran Aivazian <tigran@veritas.com>
* Fix sigmatch() macro to handle old CPUs with pf == 0.
@@ -75,6 +76,7 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/sched.h>
+#include <linux/smp_lock.h>
#include <linux/cpumask.h>
#include <linux/module.h>
#include <linux/slab.h>
@@ -320,11 +322,11 @@ static void apply_microcode(int cpu)
return;
/* serialize access to the physical write to MSR 0x79 */
- spin_lock_irqsave(&microcode_update_lock, flags);
+ spin_lock_irqsave(&microcode_update_lock, flags);
/* write microcode via MSR 0x79 */
wrmsr(MSR_IA32_UCODE_WRITE,
- (unsigned long) uci->mc->bits,
+ (unsigned long) uci->mc->bits,
(unsigned long) uci->mc->bits >> 16 >> 16);
wrmsr(MSR_IA32_UCODE_REV, 0, 0);
@@ -341,7 +343,7 @@ static void apply_microcode(int cpu)
return;
}
printk(KERN_INFO "microcode: CPU%d updated from revision "
- "0x%x to 0x%x, date = %08x \n",
+ "0x%x to 0x%x, date = %08x \n",
cpu_num, uci->rev, val[1], uci->mc->hdr.date);
uci->rev = val[1];
}
@@ -422,6 +424,7 @@ out:
static int microcode_open (struct inode *unused1, struct file *unused2)
{
+ cycle_kernel_lock();
return capable(CAP_SYS_RAWIO) ? 0 : -EPERM;
}
@@ -488,7 +491,7 @@ MODULE_ALIAS_MISCDEV(MICROCODE_MINOR);
#define microcode_dev_exit() do { } while(0)
#endif
-static long get_next_ucode_from_buffer(void **mc, void *buf,
+static long get_next_ucode_from_buffer(void **mc, const u8 *buf,
unsigned long size, long offset)
{
microcode_header_t *mc_header;
@@ -522,7 +525,7 @@ static int cpu_request_microcode(int cpu)
char name[30];
struct cpuinfo_x86 *c = &cpu_data(cpu);
const struct firmware *firmware;
- void *buf;
+ const u8 *buf;
unsigned long size;
long offset = 0;
int error;
@@ -534,7 +537,7 @@ static int cpu_request_microcode(int cpu)
c->x86, c->x86_model, c->x86_mask);
error = request_firmware(&firmware, name, &microcode_pdev->dev);
if (error) {
- pr_debug("microcode: ucode data file %s load failed\n", name);
+ pr_debug("microcode: data file %s load failed\n", name);
return error;
}
buf = firmware->data;
@@ -805,6 +808,9 @@ static int __init microcode_init (void)
{
int error;
+ printk(KERN_INFO
+ "IA-32 Microcode Update Driver: v" MICROCODE_VERSION " <tigran@aivazian.fsnet.co.uk>\n");
+
error = microcode_dev_init();
if (error)
return error;
@@ -825,9 +831,6 @@ static int __init microcode_init (void)
}
register_hotcpu_notifier(&mc_cpu_notifier);
-
- printk(KERN_INFO
- "IA-32 Microcode Update Driver: v" MICROCODE_VERSION " <tigran@aivazian.fsnet.co.uk>\n");
return 0;
}
diff --git a/arch/x86/kernel/mmconf-fam10h_64.c b/arch/x86/kernel/mmconf-fam10h_64.c
index edc5fbfe85c..fdfdc550b36 100644
--- a/arch/x86/kernel/mmconf-fam10h_64.c
+++ b/arch/x86/kernel/mmconf-fam10h_64.c
@@ -12,6 +12,7 @@
#include <asm/io.h>
#include <asm/msr.h>
#include <asm/acpi.h>
+#include <asm/mmconfig.h>
#include "../pci/pci.h"
diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c
index 404683b94e7..3b25e49380c 100644
--- a/arch/x86/kernel/mpparse.c
+++ b/arch/x86/kernel/mpparse.c
@@ -25,6 +25,8 @@
#include <asm/proto.h>
#include <asm/acpi.h>
#include <asm/bios_ebda.h>
+#include <asm/e820.h>
+#include <asm/trampoline.h>
#include <mach_apic.h>
#ifdef CONFIG_X86_32
@@ -32,28 +34,6 @@
#include <mach_mpparse.h>
#endif
-/* Have we found an MP table */
-int smp_found_config;
-
-/*
- * Various Linux-internal data structures created from the
- * MP-table.
- */
-#if defined (CONFIG_MCA) || defined (CONFIG_EISA)
-int mp_bus_id_to_type[MAX_MP_BUSSES];
-#endif
-
-DECLARE_BITMAP(mp_bus_not_pci, MAX_MP_BUSSES);
-int mp_bus_id_to_pci_bus[MAX_MP_BUSSES] = {[0 ... MAX_MP_BUSSES - 1] = -1 };
-
-static int mp_current_pci_id;
-
-int pic_mode;
-
-/*
- * Intel MP BIOS table parsing routines:
- */
-
/*
* Checksum an MP configuration block.
*/
@@ -69,15 +49,73 @@ static int __init mpf_checksum(unsigned char *mp, int len)
}
#ifdef CONFIG_X86_NUMAQ
+int found_numaq;
/*
* Have to match translation table entries to main table entries by counter
* hence the mpc_record variable .... can't see a less disgusting way of
* doing this ....
*/
+struct mpc_config_translation {
+ unsigned char mpc_type;
+ unsigned char trans_len;
+ unsigned char trans_type;
+ unsigned char trans_quad;
+ unsigned char trans_global;
+ unsigned char trans_local;
+ unsigned short trans_reserved;
+};
+
static int mpc_record;
static struct mpc_config_translation *translation_table[MAX_MPC_ENTRY]
__cpuinitdata;
+
+static inline int generate_logical_apicid(int quad, int phys_apicid)
+{
+ return (quad << 4) + (phys_apicid ? phys_apicid << 1 : 1);
+}
+
+
+static inline int mpc_apic_id(struct mpc_config_processor *m,
+ struct mpc_config_translation *translation_record)
+{
+ int quad = translation_record->trans_quad;
+ int logical_apicid = generate_logical_apicid(quad, m->mpc_apicid);
+
+ printk(KERN_DEBUG "Processor #%d %u:%u APIC version %d (quad %d, apic %d)\n",
+ m->mpc_apicid,
+ (m->mpc_cpufeature & CPU_FAMILY_MASK) >> 8,
+ (m->mpc_cpufeature & CPU_MODEL_MASK) >> 4,
+ m->mpc_apicver, quad, logical_apicid);
+ return logical_apicid;
+}
+
+int mp_bus_id_to_node[MAX_MP_BUSSES];
+
+int mp_bus_id_to_local[MAX_MP_BUSSES];
+
+static void mpc_oem_bus_info(struct mpc_config_bus *m, char *name,
+ struct mpc_config_translation *translation)
+{
+ int quad = translation->trans_quad;
+ int local = translation->trans_local;
+
+ mp_bus_id_to_node[m->mpc_busid] = quad;
+ mp_bus_id_to_local[m->mpc_busid] = local;
+ printk(KERN_INFO "Bus #%d is %s (node %d)\n",
+ m->mpc_busid, name, quad);
+}
+
+int quad_local_to_mp_bus_id [NR_CPUS/4][4];
+static void mpc_oem_pci_bus(struct mpc_config_bus *m,
+ struct mpc_config_translation *translation)
+{
+ int quad = translation->trans_quad;
+ int local = translation->trans_local;
+
+ quad_local_to_mp_bus_id[quad][local] = m->mpc_busid;
+}
+
#endif
static void __cpuinit MP_processor_info(struct mpc_config_processor *m)
@@ -90,7 +128,10 @@ static void __cpuinit MP_processor_info(struct mpc_config_processor *m)
return;
}
#ifdef CONFIG_X86_NUMAQ
- apicid = mpc_apic_id(m, translation_table[mpc_record]);
+ if (found_numaq)
+ apicid = mpc_apic_id(m, translation_table[mpc_record]);
+ else
+ apicid = m->mpc_apicid;
#else
apicid = m->mpc_apicid;
#endif
@@ -103,17 +144,18 @@ static void __cpuinit MP_processor_info(struct mpc_config_processor *m)
generic_processor_info(apicid, m->mpc_apicver);
}
+#ifdef CONFIG_X86_IO_APIC
static void __init MP_bus_info(struct mpc_config_bus *m)
{
char str[7];
-
memcpy(str, m->mpc_bustype, 6);
str[6] = 0;
#ifdef CONFIG_X86_NUMAQ
- mpc_oem_bus_info(m, str, translation_table[mpc_record]);
+ if (found_numaq)
+ mpc_oem_bus_info(m, str, translation_table[mpc_record]);
#else
- Dprintk("Bus #%d is %s\n", m->mpc_busid, str);
+ printk(KERN_INFO "Bus #%d is %s\n", m->mpc_busid, str);
#endif
#if MAX_MP_BUSSES < 256
@@ -132,11 +174,10 @@ static void __init MP_bus_info(struct mpc_config_bus *m)
#endif
} else if (strncmp(str, BUSTYPE_PCI, sizeof(BUSTYPE_PCI) - 1) == 0) {
#ifdef CONFIG_X86_NUMAQ
- mpc_oem_pci_bus(m, translation_table[mpc_record]);
+ if (found_numaq)
+ mpc_oem_pci_bus(m, translation_table[mpc_record]);
#endif
clear_bit(m->mpc_busid, mp_bus_not_pci);
- mp_bus_id_to_pci_bus[m->mpc_busid] = mp_current_pci_id;
- mp_current_pci_id++;
#if defined(CONFIG_EISA) || defined (CONFIG_MCA)
mp_bus_id_to_type[m->mpc_busid] = MP_BUS_PCI;
} else if (strncmp(str, BUSTYPE_EISA, sizeof(BUSTYPE_EISA) - 1) == 0) {
@@ -147,6 +188,7 @@ static void __init MP_bus_info(struct mpc_config_bus *m)
} else
printk(KERN_WARNING "Unknown bustype %s - ignoring\n", str);
}
+#endif
#ifdef CONFIG_X86_IO_APIC
@@ -176,18 +218,89 @@ static void __init MP_ioapic_info(struct mpc_config_ioapic *m)
if (bad_ioapic(m->mpc_apicaddr))
return;
- mp_ioapics[nr_ioapics] = *m;
+ mp_ioapics[nr_ioapics].mp_apicaddr = m->mpc_apicaddr;
+ mp_ioapics[nr_ioapics].mp_apicid = m->mpc_apicid;
+ mp_ioapics[nr_ioapics].mp_type = m->mpc_type;
+ mp_ioapics[nr_ioapics].mp_apicver = m->mpc_apicver;
+ mp_ioapics[nr_ioapics].mp_flags = m->mpc_flags;
nr_ioapics++;
}
-static void __init MP_intsrc_info(struct mpc_config_intsrc *m)
+static void print_MP_intsrc_info(struct mpc_config_intsrc *m)
{
- mp_irqs[mp_irq_entries] = *m;
- Dprintk("Int: type %d, pol %d, trig %d, bus %d,"
+ printk(KERN_CONT "Int: type %d, pol %d, trig %d, bus %02x,"
" IRQ %02x, APIC ID %x, APIC INT %02x\n",
m->mpc_irqtype, m->mpc_irqflag & 3,
(m->mpc_irqflag >> 2) & 3, m->mpc_srcbus,
m->mpc_srcbusirq, m->mpc_dstapic, m->mpc_dstirq);
+}
+
+static void __init print_mp_irq_info(struct mp_config_intsrc *mp_irq)
+{
+ printk(KERN_CONT "Int: type %d, pol %d, trig %d, bus %02x,"
+ " IRQ %02x, APIC ID %x, APIC INT %02x\n",
+ mp_irq->mp_irqtype, mp_irq->mp_irqflag & 3,
+ (mp_irq->mp_irqflag >> 2) & 3, mp_irq->mp_srcbus,
+ mp_irq->mp_srcbusirq, mp_irq->mp_dstapic, mp_irq->mp_dstirq);
+}
+
+static void __init assign_to_mp_irq(struct mpc_config_intsrc *m,
+ struct mp_config_intsrc *mp_irq)
+{
+ mp_irq->mp_dstapic = m->mpc_dstapic;
+ mp_irq->mp_type = m->mpc_type;
+ mp_irq->mp_irqtype = m->mpc_irqtype;
+ mp_irq->mp_irqflag = m->mpc_irqflag;
+ mp_irq->mp_srcbus = m->mpc_srcbus;
+ mp_irq->mp_srcbusirq = m->mpc_srcbusirq;
+ mp_irq->mp_dstirq = m->mpc_dstirq;
+}
+
+static void __init assign_to_mpc_intsrc(struct mp_config_intsrc *mp_irq,
+ struct mpc_config_intsrc *m)
+{
+ m->mpc_dstapic = mp_irq->mp_dstapic;
+ m->mpc_type = mp_irq->mp_type;
+ m->mpc_irqtype = mp_irq->mp_irqtype;
+ m->mpc_irqflag = mp_irq->mp_irqflag;
+ m->mpc_srcbus = mp_irq->mp_srcbus;
+ m->mpc_srcbusirq = mp_irq->mp_srcbusirq;
+ m->mpc_dstirq = mp_irq->mp_dstirq;
+}
+
+static int __init mp_irq_mpc_intsrc_cmp(struct mp_config_intsrc *mp_irq,
+ struct mpc_config_intsrc *m)
+{
+ if (mp_irq->mp_dstapic != m->mpc_dstapic)
+ return 1;
+ if (mp_irq->mp_type != m->mpc_type)
+ return 2;
+ if (mp_irq->mp_irqtype != m->mpc_irqtype)
+ return 3;
+ if (mp_irq->mp_irqflag != m->mpc_irqflag)
+ return 4;
+ if (mp_irq->mp_srcbus != m->mpc_srcbus)
+ return 5;
+ if (mp_irq->mp_srcbusirq != m->mpc_srcbusirq)
+ return 6;
+ if (mp_irq->mp_dstirq != m->mpc_dstirq)
+ return 7;
+
+ return 0;
+}
+
+static void __init MP_intsrc_info(struct mpc_config_intsrc *m)
+{
+ int i;
+
+ print_MP_intsrc_info(m);
+
+ for (i = 0; i < mp_irq_entries; i++) {
+ if (!mp_irq_mpc_intsrc_cmp(&mp_irqs[i], m))
+ return;
+ }
+
+ assign_to_mp_irq(m, &mp_irqs[mp_irq_entries]);
if (++mp_irq_entries == MAX_IRQ_SOURCES)
panic("Max # of irq sources exceeded!!\n");
}
@@ -196,7 +309,7 @@ static void __init MP_intsrc_info(struct mpc_config_intsrc *m)
static void __init MP_lintsrc_info(struct mpc_config_lintsrc *m)
{
- Dprintk("Lint: type %d, pol %d, trig %d, bus %d,"
+ printk(KERN_INFO "Lint: type %d, pol %d, trig %d, bus %02x,"
" IRQ %02x, APIC ID %x, APIC LINT %02x\n",
m->mpc_irqtype, m->mpc_irqflag & 3,
(m->mpc_irqflag >> 2) & 3, m->mpc_srcbusid,
@@ -266,11 +379,14 @@ static void __init smp_read_mpc_oem(struct mp_config_oemtable *oemtable,
}
}
-static inline void mps_oem_check(struct mp_config_table *mpc, char *oem,
+void numaq_mps_oem_check(struct mp_config_table *mpc, char *oem,
char *productid)
{
if (strncmp(oem, "IBM NUMA", 8))
- printk("Warning! May not be a NUMA-Q system!\n");
+ printk("Warning! Not a NUMA-Q system!\n");
+ else
+ found_numaq = 1;
+
if (mpc->mpc_oemptr)
smp_read_mpc_oem((struct mp_config_oemtable *)mpc->mpc_oemptr,
mpc->mpc_oemsize);
@@ -281,12 +397,9 @@ static inline void mps_oem_check(struct mp_config_table *mpc, char *oem,
* Read/parse the MPC
*/
-static int __init smp_read_mpc(struct mp_config_table *mpc, unsigned early)
+static int __init smp_check_mpc(struct mp_config_table *mpc, char *oem,
+ char *str)
{
- char str[16];
- char oem[10];
- int count = sizeof(*mpc);
- unsigned char *mpt = ((unsigned char *)mpc) + count;
if (memcmp(mpc->mpc_signature, MPC_SIGNATURE, 4)) {
printk(KERN_ERR "MPTABLE: bad signature [%c%c%c%c]!\n",
@@ -309,19 +422,42 @@ static int __init smp_read_mpc(struct mp_config_table *mpc, unsigned early)
}
memcpy(oem, mpc->mpc_oem, 8);
oem[8] = 0;
- printk(KERN_INFO "MPTABLE: OEM ID: %s ", oem);
+ printk(KERN_INFO "MPTABLE: OEM ID: %s\n", oem);
memcpy(str, mpc->mpc_productid, 12);
str[12] = 0;
- printk("Product ID: %s ", str);
-#ifdef CONFIG_X86_32
- mps_oem_check(mpc, oem, str);
-#endif
- printk(KERN_INFO "MPTABLE: Product ID: %s ", str);
+ printk(KERN_INFO "MPTABLE: Product ID: %s\n", str);
printk(KERN_INFO "MPTABLE: APIC at: 0x%X\n", mpc->mpc_lapic);
+ return 1;
+}
+
+static int __init smp_read_mpc(struct mp_config_table *mpc, unsigned early)
+{
+ char str[16];
+ char oem[10];
+
+ int count = sizeof(*mpc);
+ unsigned char *mpt = ((unsigned char *)mpc) + count;
+
+ if (!smp_check_mpc(mpc, oem, str))
+ return 0;
+
+#ifdef CONFIG_X86_32
+ /*
+ * need to make sure summit and es7000's mps_oem_check is safe to be
+ * called early via genericarch 's mps_oem_check
+ */
+ if (early) {
+#ifdef CONFIG_X86_NUMAQ
+ numaq_mps_oem_check(mpc, oem, str);
+#endif
+ } else
+ mps_oem_check(mpc, oem, str);
+#endif
+
/* save the local APIC address, it might be non-default */
if (!acpi_lapic)
mp_lapic_addr = mpc->mpc_lapic;
@@ -352,7 +488,9 @@ static int __init smp_read_mpc(struct mp_config_table *mpc, unsigned early)
{
struct mpc_config_bus *m =
(struct mpc_config_bus *)mpt;
+#ifdef CONFIG_X86_IO_APIC
MP_bus_info(m);
+#endif
mpt += sizeof(*m);
count += sizeof(*m);
break;
@@ -402,6 +540,11 @@ static int __init smp_read_mpc(struct mp_config_table *mpc, unsigned early)
++mpc_record;
#endif
}
+
+#ifdef CONFIG_X86_GENERICARCH
+ generic_bigsmp_probe();
+#endif
+
setup_apic_routing();
if (!num_processors)
printk(KERN_ERR "MPTABLE: no processors registered!\n");
@@ -427,7 +570,7 @@ static void __init construct_default_ioirq_mptable(int mpc_default_type)
intsrc.mpc_type = MP_INTSRC;
intsrc.mpc_irqflag = 0; /* conforming */
intsrc.mpc_srcbus = 0;
- intsrc.mpc_dstapic = mp_ioapics[0].mpc_apicid;
+ intsrc.mpc_dstapic = mp_ioapics[0].mp_apicid;
intsrc.mpc_irqtype = mp_INT;
@@ -488,40 +631,11 @@ static void __init construct_default_ioirq_mptable(int mpc_default_type)
MP_intsrc_info(&intsrc);
}
-#endif
-static inline void __init construct_default_ISA_mptable(int mpc_default_type)
+static void construct_ioapic_table(int mpc_default_type)
{
- struct mpc_config_processor processor;
- struct mpc_config_bus bus;
-#ifdef CONFIG_X86_IO_APIC
struct mpc_config_ioapic ioapic;
-#endif
- struct mpc_config_lintsrc lintsrc;
- int linttypes[2] = { mp_ExtINT, mp_NMI };
- int i;
-
- /*
- * local APIC has default address
- */
- mp_lapic_addr = APIC_DEFAULT_PHYS_BASE;
-
- /*
- * 2 CPUs, numbered 0 & 1.
- */
- processor.mpc_type = MP_PROCESSOR;
- /* Either an integrated APIC or a discrete 82489DX. */
- processor.mpc_apicver = mpc_default_type > 4 ? 0x10 : 0x01;
- processor.mpc_cpuflag = CPU_ENABLED;
- processor.mpc_cpufeature = (boot_cpu_data.x86 << 8) |
- (boot_cpu_data.x86_model << 4) | boot_cpu_data.x86_mask;
- processor.mpc_featureflag = boot_cpu_data.x86_capability[0];
- processor.mpc_reserved[0] = 0;
- processor.mpc_reserved[1] = 0;
- for (i = 0; i < 2; i++) {
- processor.mpc_apicid = i;
- MP_processor_info(&processor);
- }
+ struct mpc_config_bus bus;
bus.mpc_type = MP_BUS;
bus.mpc_busid = 0;
@@ -550,7 +664,6 @@ static inline void __init construct_default_ISA_mptable(int mpc_default_type)
MP_bus_info(&bus);
}
-#ifdef CONFIG_X86_IO_APIC
ioapic.mpc_type = MP_IOAPIC;
ioapic.mpc_apicid = 2;
ioapic.mpc_apicver = mpc_default_type > 4 ? 0x10 : 0x01;
@@ -562,7 +675,42 @@ static inline void __init construct_default_ISA_mptable(int mpc_default_type)
* We set up most of the low 16 IO-APIC pins according to MPS rules.
*/
construct_default_ioirq_mptable(mpc_default_type);
+}
+#else
+static inline void construct_ioapic_table(int mpc_default_type) { }
#endif
+
+static inline void __init construct_default_ISA_mptable(int mpc_default_type)
+{
+ struct mpc_config_processor processor;
+ struct mpc_config_lintsrc lintsrc;
+ int linttypes[2] = { mp_ExtINT, mp_NMI };
+ int i;
+
+ /*
+ * local APIC has default address
+ */
+ mp_lapic_addr = APIC_DEFAULT_PHYS_BASE;
+
+ /*
+ * 2 CPUs, numbered 0 & 1.
+ */
+ processor.mpc_type = MP_PROCESSOR;
+ /* Either an integrated APIC or a discrete 82489DX. */
+ processor.mpc_apicver = mpc_default_type > 4 ? 0x10 : 0x01;
+ processor.mpc_cpuflag = CPU_ENABLED;
+ processor.mpc_cpufeature = (boot_cpu_data.x86 << 8) |
+ (boot_cpu_data.x86_model << 4) | boot_cpu_data.x86_mask;
+ processor.mpc_featureflag = boot_cpu_data.x86_capability[0];
+ processor.mpc_reserved[0] = 0;
+ processor.mpc_reserved[1] = 0;
+ for (i = 0; i < 2; i++) {
+ processor.mpc_apicid = i;
+ MP_processor_info(&processor);
+ }
+
+ construct_ioapic_table(mpc_default_type);
+
lintsrc.mpc_type = MP_LINTSRC;
lintsrc.mpc_irqflag = 0; /* conforming */
lintsrc.mpc_srcbusid = 0;
@@ -578,12 +726,22 @@ static inline void __init construct_default_ISA_mptable(int mpc_default_type)
static struct intel_mp_floating *mpf_found;
/*
+ * Machine specific quirk for finding the SMP config before other setup
+ * activities destroy the table:
+ */
+int (*mach_get_smp_config_quirk)(unsigned int early);
+
+/*
* Scan the memory blocks for an SMP configuration block.
*/
-static void __init __get_smp_config(unsigned early)
+static void __init __get_smp_config(unsigned int early)
{
struct intel_mp_floating *mpf = mpf_found;
+ if (mach_get_smp_config_quirk) {
+ if (mach_get_smp_config_quirk(early))
+ return;
+ }
if (acpi_lapic && early)
return;
/*
@@ -600,7 +758,7 @@ static void __init __get_smp_config(unsigned early)
printk(KERN_INFO "Intel MultiProcessor Specification v1.%d\n",
mpf->mpf_specification);
-#ifdef CONFIG_X86_32
+#if defined(CONFIG_X86_LOCAL_APIC) && defined(CONFIG_X86_32)
if (mpf->mpf_feature2 & (1 << 7)) {
printk(KERN_INFO " IMCR and PIC compatibility mode.\n");
pic_mode = 1;
@@ -632,7 +790,9 @@ static void __init __get_smp_config(unsigned early)
* override the defaults.
*/
if (!smp_read_mpc(phys_to_virt(mpf->mpf_physptr), early)) {
+#ifdef CONFIG_X86_LOCAL_APIC
smp_found_config = 0;
+#endif
printk(KERN_ERR
"BIOS bug, MP table errors detected!...\n");
printk(KERN_ERR "... disabling SMP support. "
@@ -689,7 +849,7 @@ static int __init smp_scan_config(unsigned long base, unsigned long length,
unsigned int *bp = phys_to_virt(base);
struct intel_mp_floating *mpf;
- Dprintk("Scan SMP from %p for %ld bytes.\n", bp, length);
+ printk(KERN_DEBUG "Scan SMP from %p for %ld bytes.\n", bp, length);
BUILD_BUG_ON(sizeof(*mpf) != 16);
while (length > 0) {
@@ -699,15 +859,21 @@ static int __init smp_scan_config(unsigned long base, unsigned long length,
!mpf_checksum((unsigned char *)bp, 16) &&
((mpf->mpf_specification == 1)
|| (mpf->mpf_specification == 4))) {
-
+#ifdef CONFIG_X86_LOCAL_APIC
smp_found_config = 1;
+#endif
mpf_found = mpf;
-#ifdef CONFIG_X86_32
+
printk(KERN_INFO "found SMP MP-table at [%p] %08lx\n",
mpf, virt_to_phys(mpf));
- reserve_bootmem(virt_to_phys(mpf), PAGE_SIZE,
+
+ if (!reserve)
+ return 1;
+ reserve_bootmem_generic(virt_to_phys(mpf), PAGE_SIZE,
BOOTMEM_DEFAULT);
if (mpf->mpf_physptr) {
+ unsigned long size = PAGE_SIZE;
+#ifdef CONFIG_X86_32
/*
* We cannot access to MPC table to compute
* table size yet, as only few megabytes from
@@ -717,24 +883,15 @@ static int __init smp_scan_config(unsigned long base, unsigned long length,
* PAGE_SIZE from mpg->mpf_physptr yields BUG()
* in reserve_bootmem.
*/
- unsigned long size = PAGE_SIZE;
unsigned long end = max_low_pfn * PAGE_SIZE;
if (mpf->mpf_physptr + size > end)
size = end - mpf->mpf_physptr;
- reserve_bootmem(mpf->mpf_physptr, size,
+#endif
+ reserve_bootmem_generic(mpf->mpf_physptr, size,
BOOTMEM_DEFAULT);
}
-#else
- if (!reserve)
- return 1;
-
- reserve_bootmem_generic(virt_to_phys(mpf), PAGE_SIZE);
- if (mpf->mpf_physptr)
- reserve_bootmem_generic(mpf->mpf_physptr,
- PAGE_SIZE);
-#endif
- return 1;
+ return 1;
}
bp += 4;
length -= 16;
@@ -742,10 +899,16 @@ static int __init smp_scan_config(unsigned long base, unsigned long length,
return 0;
}
-static void __init __find_smp_config(unsigned reserve)
+int (*mach_find_smp_config_quirk)(unsigned int reserve);
+
+static void __init __find_smp_config(unsigned int reserve)
{
unsigned int address;
+ if (mach_find_smp_config_quirk) {
+ if (mach_find_smp_config_quirk(reserve))
+ return;
+ }
/*
* FIXME: Linux assumes you have 640K of base ram..
* this continues the error...
@@ -790,298 +953,294 @@ void __init find_smp_config(void)
__find_smp_config(1);
}
-/* --------------------------------------------------------------------------
- ACPI-based MP Configuration
- -------------------------------------------------------------------------- */
+#ifdef CONFIG_X86_IO_APIC
+static u8 __initdata irq_used[MAX_IRQ_SOURCES];
-/*
- * Keep this outside and initialized to 0, for !CONFIG_ACPI builds:
- */
-int es7000_plat;
+static int __init get_MP_intsrc_index(struct mpc_config_intsrc *m)
+{
+ int i;
-#ifdef CONFIG_ACPI
+ if (m->mpc_irqtype != mp_INT)
+ return 0;
-#ifdef CONFIG_X86_IO_APIC
+ if (m->mpc_irqflag != 0x0f)
+ return 0;
-#define MP_ISA_BUS 0
+ /* not legacy */
-extern struct mp_ioapic_routing mp_ioapic_routing[MAX_IO_APICS];
+ for (i = 0; i < mp_irq_entries; i++) {
+ if (mp_irqs[i].mp_irqtype != mp_INT)
+ continue;
-static int mp_find_ioapic(int gsi)
-{
- int i = 0;
+ if (mp_irqs[i].mp_irqflag != 0x0f)
+ continue;
- /* Find the IOAPIC that manages this GSI. */
- for (i = 0; i < nr_ioapics; i++) {
- if ((gsi >= mp_ioapic_routing[i].gsi_base)
- && (gsi <= mp_ioapic_routing[i].gsi_end))
- return i;
+ if (mp_irqs[i].mp_srcbus != m->mpc_srcbus)
+ continue;
+ if (mp_irqs[i].mp_srcbusirq != m->mpc_srcbusirq)
+ continue;
+ if (irq_used[i]) {
+ /* already claimed */
+ return -2;
+ }
+ irq_used[i] = 1;
+ return i;
}
- printk(KERN_ERR "ERROR: Unable to locate IOAPIC for GSI %d\n", gsi);
+ /* not found */
return -1;
}
-static u8 __init uniq_ioapic_id(u8 id)
-{
-#ifdef CONFIG_X86_32
- if ((boot_cpu_data.x86_vendor == X86_VENDOR_INTEL) &&
- !APIC_XAPIC(apic_version[boot_cpu_physical_apicid]))
- return io_apic_get_unique_id(nr_ioapics, id);
- else
- return id;
-#else
- int i;
- DECLARE_BITMAP(used, 256);
- bitmap_zero(used, 256);
- for (i = 0; i < nr_ioapics; i++) {
- struct mpc_config_ioapic *ia = &mp_ioapics[i];
- __set_bit(ia->mpc_apicid, used);
- }
- if (!test_bit(id, used))
- return id;
- return find_first_zero_bit(used, 256);
+#define SPARE_SLOT_NUM 20
+
+static struct mpc_config_intsrc __initdata *m_spare[SPARE_SLOT_NUM];
#endif
-}
-void __init mp_register_ioapic(int id, u32 address, u32 gsi_base)
+static int __init replace_intsrc_all(struct mp_config_table *mpc,
+ unsigned long mpc_new_phys,
+ unsigned long mpc_new_length)
{
- int idx = 0;
-
- if (bad_ioapic(address))
- return;
+#ifdef CONFIG_X86_IO_APIC
+ int i;
+ int nr_m_spare = 0;
+#endif
- idx = nr_ioapics;
+ int count = sizeof(*mpc);
+ unsigned char *mpt = ((unsigned char *)mpc) + count;
- mp_ioapics[idx].mpc_type = MP_IOAPIC;
- mp_ioapics[idx].mpc_flags = MPC_APIC_USABLE;
- mp_ioapics[idx].mpc_apicaddr = address;
+ printk(KERN_INFO "mpc_length %x\n", mpc->mpc_length);
+ while (count < mpc->mpc_length) {
+ switch (*mpt) {
+ case MP_PROCESSOR:
+ {
+ struct mpc_config_processor *m =
+ (struct mpc_config_processor *)mpt;
+ mpt += sizeof(*m);
+ count += sizeof(*m);
+ break;
+ }
+ case MP_BUS:
+ {
+ struct mpc_config_bus *m =
+ (struct mpc_config_bus *)mpt;
+ mpt += sizeof(*m);
+ count += sizeof(*m);
+ break;
+ }
+ case MP_IOAPIC:
+ {
+ mpt += sizeof(struct mpc_config_ioapic);
+ count += sizeof(struct mpc_config_ioapic);
+ break;
+ }
+ case MP_INTSRC:
+ {
+#ifdef CONFIG_X86_IO_APIC
+ struct mpc_config_intsrc *m =
+ (struct mpc_config_intsrc *)mpt;
- set_fixmap_nocache(FIX_IO_APIC_BASE_0 + idx, address);
- mp_ioapics[idx].mpc_apicid = uniq_ioapic_id(id);
-#ifdef CONFIG_X86_32
- mp_ioapics[idx].mpc_apicver = io_apic_get_version(idx);
-#else
- mp_ioapics[idx].mpc_apicver = 0;
+ printk(KERN_INFO "OLD ");
+ print_MP_intsrc_info(m);
+ i = get_MP_intsrc_index(m);
+ if (i > 0) {
+ assign_to_mpc_intsrc(&mp_irqs[i], m);
+ printk(KERN_INFO "NEW ");
+ print_mp_irq_info(&mp_irqs[i]);
+ } else if (!i) {
+ /* legacy, do nothing */
+ } else if (nr_m_spare < SPARE_SLOT_NUM) {
+ /*
+ * not found (-1), or duplicated (-2)
+ * are invalid entries,
+ * we need to use the slot later
+ */
+ m_spare[nr_m_spare] = m;
+ nr_m_spare++;
+ }
#endif
- /*
- * Build basic GSI lookup table to facilitate gsi->io_apic lookups
- * and to prevent reprogramming of IOAPIC pins (PCI GSIs).
- */
- mp_ioapic_routing[idx].apic_id = mp_ioapics[idx].mpc_apicid;
- mp_ioapic_routing[idx].gsi_base = gsi_base;
- mp_ioapic_routing[idx].gsi_end = gsi_base +
- io_apic_get_redir_entries(idx);
-
- printk(KERN_INFO "IOAPIC[%d]: apic_id %d, version %d, address 0x%x, "
- "GSI %d-%d\n", idx, mp_ioapics[idx].mpc_apicid,
- mp_ioapics[idx].mpc_apicver, mp_ioapics[idx].mpc_apicaddr,
- mp_ioapic_routing[idx].gsi_base, mp_ioapic_routing[idx].gsi_end);
-
- nr_ioapics++;
-}
+ mpt += sizeof(struct mpc_config_intsrc);
+ count += sizeof(struct mpc_config_intsrc);
+ break;
+ }
+ case MP_LINTSRC:
+ {
+ struct mpc_config_lintsrc *m =
+ (struct mpc_config_lintsrc *)mpt;
+ mpt += sizeof(*m);
+ count += sizeof(*m);
+ break;
+ }
+ default:
+ /* wrong mptable */
+ printk(KERN_ERR "Your mptable is wrong, contact your HW vendor!\n");
+ printk(KERN_ERR "type %x\n", *mpt);
+ print_hex_dump(KERN_ERR, " ", DUMP_PREFIX_ADDRESS, 16,
+ 1, mpc, mpc->mpc_length, 1);
+ goto out;
+ }
+ }
-void __init mp_override_legacy_irq(u8 bus_irq, u8 polarity, u8 trigger, u32 gsi)
-{
- struct mpc_config_intsrc intsrc;
- int ioapic = -1;
- int pin = -1;
+#ifdef CONFIG_X86_IO_APIC
+ for (i = 0; i < mp_irq_entries; i++) {
+ if (irq_used[i])
+ continue;
- /*
- * Convert 'gsi' to 'ioapic.pin'.
- */
- ioapic = mp_find_ioapic(gsi);
- if (ioapic < 0)
- return;
- pin = gsi - mp_ioapic_routing[ioapic].gsi_base;
+ if (mp_irqs[i].mp_irqtype != mp_INT)
+ continue;
- /*
- * TBD: This check is for faulty timer entries, where the override
- * erroneously sets the trigger to level, resulting in a HUGE
- * increase of timer interrupts!
- */
- if ((bus_irq == 0) && (trigger == 3))
- trigger = 1;
+ if (mp_irqs[i].mp_irqflag != 0x0f)
+ continue;
- intsrc.mpc_type = MP_INTSRC;
- intsrc.mpc_irqtype = mp_INT;
- intsrc.mpc_irqflag = (trigger << 2) | polarity;
- intsrc.mpc_srcbus = MP_ISA_BUS;
- intsrc.mpc_srcbusirq = bus_irq; /* IRQ */
- intsrc.mpc_dstapic = mp_ioapics[ioapic].mpc_apicid; /* APIC ID */
- intsrc.mpc_dstirq = pin; /* INTIN# */
+ if (nr_m_spare > 0) {
+ printk(KERN_INFO "*NEW* found ");
+ nr_m_spare--;
+ assign_to_mpc_intsrc(&mp_irqs[i], m_spare[nr_m_spare]);
+ m_spare[nr_m_spare] = NULL;
+ } else {
+ struct mpc_config_intsrc *m =
+ (struct mpc_config_intsrc *)mpt;
+ count += sizeof(struct mpc_config_intsrc);
+ if (!mpc_new_phys) {
+ printk(KERN_INFO "No spare slots, try to append...take your risk, new mpc_length %x\n", count);
+ } else {
+ if (count <= mpc_new_length)
+ printk(KERN_INFO "No spare slots, try to append..., new mpc_length %x\n", count);
+ else {
+ printk(KERN_ERR "mpc_new_length %lx is too small\n", mpc_new_length);
+ goto out;
+ }
+ }
+ assign_to_mpc_intsrc(&mp_irqs[i], m);
+ mpc->mpc_length = count;
+ mpt += sizeof(struct mpc_config_intsrc);
+ }
+ print_mp_irq_info(&mp_irqs[i]);
+ }
+#endif
+out:
+ /* update checksum */
+ mpc->mpc_checksum = 0;
+ mpc->mpc_checksum -= mpf_checksum((unsigned char *)mpc,
+ mpc->mpc_length);
- MP_intsrc_info(&intsrc);
+ return 0;
}
-void __init mp_config_acpi_legacy_irqs(void)
-{
- struct mpc_config_intsrc intsrc;
- int i = 0;
- int ioapic = -1;
+static int __initdata enable_update_mptable;
-#if defined (CONFIG_MCA) || defined (CONFIG_EISA)
- /*
- * Fabricate the legacy ISA bus (bus #31).
- */
- mp_bus_id_to_type[MP_ISA_BUS] = MP_BUS_ISA;
-#endif
- set_bit(MP_ISA_BUS, mp_bus_not_pci);
- Dprintk("Bus #%d is ISA\n", MP_ISA_BUS);
+static int __init update_mptable_setup(char *str)
+{
+ enable_update_mptable = 1;
+ return 0;
+}
+early_param("update_mptable", update_mptable_setup);
- /*
- * Older generations of ES7000 have no legacy identity mappings
- */
- if (es7000_plat == 1)
- return;
+static unsigned long __initdata mpc_new_phys;
+static unsigned long mpc_new_length __initdata = 4096;
- /*
- * Locate the IOAPIC that manages the ISA IRQs (0-15).
- */
- ioapic = mp_find_ioapic(0);
- if (ioapic < 0)
- return;
+/* alloc_mptable or alloc_mptable=4k */
+static int __initdata alloc_mptable;
+static int __init parse_alloc_mptable_opt(char *p)
+{
+ enable_update_mptable = 1;
+ alloc_mptable = 1;
+ if (!p)
+ return 0;
+ mpc_new_length = memparse(p, &p);
+ return 0;
+}
+early_param("alloc_mptable", parse_alloc_mptable_opt);
- intsrc.mpc_type = MP_INTSRC;
- intsrc.mpc_irqflag = 0; /* Conforming */
- intsrc.mpc_srcbus = MP_ISA_BUS;
-#ifdef CONFIG_X86_IO_APIC
- intsrc.mpc_dstapic = mp_ioapics[ioapic].mpc_apicid;
+void __init early_reserve_e820_mpc_new(void)
+{
+ if (enable_update_mptable && alloc_mptable) {
+ u64 startt = 0;
+#ifdef CONFIG_X86_TRAMPOLINE
+ startt = TRAMPOLINE_BASE;
#endif
- /*
- * Use the default configuration for the IRQs 0-15. Unless
- * overridden by (MADT) interrupt source override entries.
- */
- for (i = 0; i < 16; i++) {
- int idx;
-
- for (idx = 0; idx < mp_irq_entries; idx++) {
- struct mpc_config_intsrc *irq = mp_irqs + idx;
-
- /* Do we already have a mapping for this ISA IRQ? */
- if (irq->mpc_srcbus == MP_ISA_BUS
- && irq->mpc_srcbusirq == i)
- break;
-
- /* Do we already have a mapping for this IOAPIC pin */
- if ((irq->mpc_dstapic == intsrc.mpc_dstapic) &&
- (irq->mpc_dstirq == i))
- break;
- }
-
- if (idx != mp_irq_entries) {
- printk(KERN_DEBUG "ACPI: IRQ%d used by override.\n", i);
- continue; /* IRQ already used */
- }
-
- intsrc.mpc_irqtype = mp_INT;
- intsrc.mpc_srcbusirq = i; /* Identity mapped */
- intsrc.mpc_dstirq = i;
-
- MP_intsrc_info(&intsrc);
+ mpc_new_phys = early_reserve_e820(startt, mpc_new_length, 4);
}
}
-int mp_register_gsi(u32 gsi, int triggering, int polarity)
+static int __init update_mp_table(void)
{
- int ioapic;
- int ioapic_pin;
-#ifdef CONFIG_X86_32
-#define MAX_GSI_NUM 4096
-#define IRQ_COMPRESSION_START 64
+ char str[16];
+ char oem[10];
+ struct intel_mp_floating *mpf;
+ struct mp_config_table *mpc;
+ struct mp_config_table *mpc_new;
+
+ if (!enable_update_mptable)
+ return 0;
+
+ mpf = mpf_found;
+ if (!mpf)
+ return 0;
- static int pci_irq = IRQ_COMPRESSION_START;
/*
- * Mapping between Global System Interrupts, which
- * represent all possible interrupts, and IRQs
- * assigned to actual devices.
+ * Now see if we need to go further.
*/
- static int gsi_to_irq[MAX_GSI_NUM];
-#else
-
- if (acpi_irq_model != ACPI_IRQ_MODEL_IOAPIC)
- return gsi;
-#endif
+ if (mpf->mpf_feature1 != 0)
+ return 0;
- /* Don't set up the ACPI SCI because it's already set up */
- if (acpi_gbl_FADT.sci_interrupt == gsi)
- return gsi;
+ if (!mpf->mpf_physptr)
+ return 0;
- ioapic = mp_find_ioapic(gsi);
- if (ioapic < 0) {
- printk(KERN_WARNING "No IOAPIC for GSI %u\n", gsi);
- return gsi;
- }
+ mpc = phys_to_virt(mpf->mpf_physptr);
- ioapic_pin = gsi - mp_ioapic_routing[ioapic].gsi_base;
+ if (!smp_check_mpc(mpc, oem, str))
+ return 0;
-#ifdef CONFIG_X86_32
- if (ioapic_renumber_irq)
- gsi = ioapic_renumber_irq(ioapic, gsi);
-#endif
+ printk(KERN_INFO "mpf: %lx\n", virt_to_phys(mpf));
+ printk(KERN_INFO "mpf_physptr: %x\n", mpf->mpf_physptr);
- /*
- * Avoid pin reprogramming. PRTs typically include entries
- * with redundant pin->gsi mappings (but unique PCI devices);
- * we only program the IOAPIC on the first.
- */
- if (ioapic_pin > MP_MAX_IOAPIC_PIN) {
- printk(KERN_ERR "Invalid reference to IOAPIC pin "
- "%d-%d\n", mp_ioapic_routing[ioapic].apic_id,
- ioapic_pin);
- return gsi;
+ if (mpc_new_phys && mpc->mpc_length > mpc_new_length) {
+ mpc_new_phys = 0;
+ printk(KERN_INFO "mpc_new_length is %ld, please use alloc_mptable=8k\n",
+ mpc_new_length);
}
- if (test_bit(ioapic_pin, mp_ioapic_routing[ioapic].pin_programmed)) {
- Dprintk(KERN_DEBUG "Pin %d-%d already programmed\n",
- mp_ioapic_routing[ioapic].apic_id, ioapic_pin);
-#ifdef CONFIG_X86_32
- return (gsi < IRQ_COMPRESSION_START ? gsi : gsi_to_irq[gsi]);
-#else
- return gsi;
-#endif
+
+ if (!mpc_new_phys) {
+ unsigned char old, new;
+ /* check if we can change the postion */
+ mpc->mpc_checksum = 0;
+ old = mpf_checksum((unsigned char *)mpc, mpc->mpc_length);
+ mpc->mpc_checksum = 0xff;
+ new = mpf_checksum((unsigned char *)mpc, mpc->mpc_length);
+ if (old == new) {
+ printk(KERN_INFO "mpc is readonly, please try alloc_mptable instead\n");
+ return 0;
+ }
+ printk(KERN_INFO "use in-positon replacing\n");
+ } else {
+ mpf->mpf_physptr = mpc_new_phys;
+ mpc_new = phys_to_virt(mpc_new_phys);
+ memcpy(mpc_new, mpc, mpc->mpc_length);
+ mpc = mpc_new;
+ /* check if we can modify that */
+ if (mpc_new_phys - mpf->mpf_physptr) {
+ struct intel_mp_floating *mpf_new;
+ /* steal 16 bytes from [0, 1k) */
+ printk(KERN_INFO "mpf new: %x\n", 0x400 - 16);
+ mpf_new = phys_to_virt(0x400 - 16);
+ memcpy(mpf_new, mpf, 16);
+ mpf = mpf_new;
+ mpf->mpf_physptr = mpc_new_phys;
+ }
+ mpf->mpf_checksum = 0;
+ mpf->mpf_checksum -= mpf_checksum((unsigned char *)mpf, 16);
+ printk(KERN_INFO "mpf_physptr new: %x\n", mpf->mpf_physptr);
}
- set_bit(ioapic_pin, mp_ioapic_routing[ioapic].pin_programmed);
-#ifdef CONFIG_X86_32
/*
- * For GSI >= 64, use IRQ compression
+ * only replace the one with mp_INT and
+ * MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
+ * already in mp_irqs , stored by ... and mp_config_acpi_gsi,
+ * may need pci=routeirq for all coverage
*/
- if ((gsi >= IRQ_COMPRESSION_START)
- && (triggering == ACPI_LEVEL_SENSITIVE)) {
- /*
- * For PCI devices assign IRQs in order, avoiding gaps
- * due to unused I/O APIC pins.
- */
- int irq = gsi;
- if (gsi < MAX_GSI_NUM) {
- /*
- * Retain the VIA chipset work-around (gsi > 15), but
- * avoid a problem where the 8254 timer (IRQ0) is setup
- * via an override (so it's not on pin 0 of the ioapic),
- * and at the same time, the pin 0 interrupt is a PCI
- * type. The gsi > 15 test could cause these two pins
- * to be shared as IRQ0, and they are not shareable.
- * So test for this condition, and if necessary, avoid
- * the pin collision.
- */
- gsi = pci_irq++;
- /*
- * Don't assign IRQ used by ACPI SCI
- */
- if (gsi == acpi_gbl_FADT.sci_interrupt)
- gsi = pci_irq++;
- gsi_to_irq[irq] = gsi;
- } else {
- printk(KERN_ERR "GSI %u is too high\n", gsi);
- return gsi;
- }
- }
-#endif
- io_apic_set_pci_routing(ioapic, ioapic_pin, gsi,
- triggering == ACPI_EDGE_SENSITIVE ? 0 : 1,
- polarity == ACPI_ACTIVE_HIGH ? 0 : 1);
- return gsi;
+ replace_intsrc_all(mpc, mpc_new_phys, mpc_new_length);
+
+ return 0;
}
-#endif /* CONFIG_X86_IO_APIC */
-#endif /* CONFIG_ACPI */
+late_initcall(update_mp_table);
diff --git a/arch/x86/kernel/msr.c b/arch/x86/kernel/msr.c
index 1f3abe048e9..a153b3905f6 100644
--- a/arch/x86/kernel/msr.c
+++ b/arch/x86/kernel/msr.c
@@ -117,12 +117,20 @@ static int msr_open(struct inode *inode, struct file *file)
{
unsigned int cpu = iminor(file->f_path.dentry->d_inode);
struct cpuinfo_x86 *c = &cpu_data(cpu);
+ int ret = 0;
- if (cpu >= NR_CPUS || !cpu_online(cpu))
- return -ENXIO; /* No such CPU */
- if (!cpu_has(c, X86_FEATURE_MSR))
- return -EIO; /* MSR not supported */
+ lock_kernel();
+ cpu = iminor(file->f_path.dentry->d_inode);
+ if (cpu >= NR_CPUS || !cpu_online(cpu)) {
+ ret = -ENXIO; /* No such CPU */
+ goto out;
+ }
+ c = &cpu_data(cpu);
+ if (!cpu_has(c, X86_FEATURE_MSR))
+ ret = -EIO; /* MSR not supported */
+out:
+ unlock_kernel();
return 0;
}
diff --git a/arch/x86/kernel/nmi_32.c b/arch/x86/kernel/nmi.c
index 84160f74eeb..ec024b3baad 100644
--- a/arch/x86/kernel/nmi_32.c
+++ b/arch/x86/kernel/nmi.c
@@ -11,10 +11,13 @@
* Mikael Pettersson : PM converted to driver model. Disable/enable API.
*/
+#include <asm/apic.h>
+
+#include <linux/nmi.h>
+#include <linux/mm.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/module.h>
-#include <linux/nmi.h>
#include <linux/sysdev.h>
#include <linux/sysctl.h>
#include <linux/percpu.h>
@@ -22,12 +25,18 @@
#include <linux/cpumask.h>
#include <linux/kernel_stat.h>
#include <linux/kdebug.h>
-#include <linux/slab.h>
+#include <linux/smp.h>
+#include <asm/i8259.h>
+#include <asm/io_apic.h>
#include <asm/smp.h>
#include <asm/nmi.h>
+#include <asm/proto.h>
+#include <asm/timer.h>
-#include "mach_traps.h"
+#include <asm/mce.h>
+
+#include <mach_traps.h>
int unknown_nmi_panic;
int nmi_watchdog_enabled;
@@ -41,28 +50,65 @@ static cpumask_t backtrace_mask = CPU_MASK_NONE;
* 0: the lapic NMI watchdog is disabled, but can be enabled
*/
atomic_t nmi_active = ATOMIC_INIT(0); /* oprofile uses this */
+EXPORT_SYMBOL(nmi_active);
-unsigned int nmi_watchdog = NMI_DEFAULT;
-static unsigned int nmi_hz = HZ;
+unsigned int nmi_watchdog = NMI_NONE;
+EXPORT_SYMBOL(nmi_watchdog);
+static int panic_on_timeout;
+
+static unsigned int nmi_hz = HZ;
static DEFINE_PER_CPU(short, wd_enabled);
+static int endflag __initdata;
-static int endflag __initdata = 0;
+static inline unsigned int get_nmi_count(int cpu)
+{
+#ifdef CONFIG_X86_64
+ return cpu_pda(cpu)->__nmi_count;
+#else
+ return nmi_count(cpu);
+#endif
+}
+
+static inline int mce_in_progress(void)
+{
+#if defined(CONFIG_X86_64) && defined(CONFIG_X86_MCE)
+ return atomic_read(&mce_entry) > 0;
+#endif
+ return 0;
+}
+
+/*
+ * Take the local apic timer and PIT/HPET into account. We don't
+ * know which one is active, when we have highres/dyntick on
+ */
+static inline unsigned int get_timer_irqs(int cpu)
+{
+#ifdef CONFIG_X86_64
+ return read_pda(apic_timer_irqs) + read_pda(irq0_irqs);
+#else
+ return per_cpu(irq_stat, cpu).apic_timer_irqs +
+ per_cpu(irq_stat, cpu).irq0_irqs;
+#endif
+}
#ifdef CONFIG_SMP
-/* The performance counters used by NMI_LOCAL_APIC don't trigger when
+/*
+ * The performance counters used by NMI_LOCAL_APIC don't trigger when
* the CPU is idle. To make sure the NMI watchdog really ticks on all
* CPUs during the test make them busy.
*/
static __init void nmi_cpu_busy(void *data)
{
local_irq_enable_in_hardirq();
- /* Intentionally don't use cpu_relax here. This is
- to make sure that the performance counter really ticks,
- even if there is a simulator or similar that catches the
- pause instruction. On a real HT machine this is fine because
- all other CPUs are busy with "useless" delay loops and don't
- care if they get somewhat less cycles. */
+ /*
+ * Intentionally don't use cpu_relax here. This is
+ * to make sure that the performance counter really ticks,
+ * even if there is a simulator or similar that catches the
+ * pause instruction. On a real HT machine this is fine because
+ * all other CPUs are busy with "useless" delay loops and don't
+ * care if they get somewhat less cycles.
+ */
while (endflag == 0)
mb();
}
@@ -73,43 +119,34 @@ int __init check_nmi_watchdog(void)
unsigned int *prev_nmi_count;
int cpu;
- if ((nmi_watchdog == NMI_NONE) || (nmi_watchdog == NMI_DISABLED))
- return 0;
-
- if (!atomic_read(&nmi_active))
+ if (!nmi_watchdog_active() || !atomic_read(&nmi_active))
return 0;
- prev_nmi_count = kmalloc(NR_CPUS * sizeof(int), GFP_KERNEL);
+ prev_nmi_count = kmalloc(nr_cpu_ids * sizeof(int), GFP_KERNEL);
if (!prev_nmi_count)
- return -1;
+ goto error;
printk(KERN_INFO "Testing NMI watchdog ... ");
#ifdef CONFIG_SMP
if (nmi_watchdog == NMI_LOCAL_APIC)
- smp_call_function(nmi_cpu_busy, (void *)&endflag, 0, 0);
+ smp_call_function(nmi_cpu_busy, (void *)&endflag, 0);
#endif
for_each_possible_cpu(cpu)
- prev_nmi_count[cpu] = nmi_count(cpu);
+ prev_nmi_count[cpu] = get_nmi_count(cpu);
local_irq_enable();
- mdelay((20*1000)/nmi_hz); // wait 20 ticks
+ mdelay((20 * 1000) / nmi_hz); /* wait 20 ticks */
- for_each_possible_cpu(cpu) {
-#ifdef CONFIG_SMP
- /* Check cpu_callin_map here because that is set
- after the timer is started. */
- if (!cpu_isset(cpu, cpu_callin_map))
- continue;
-#endif
+ for_each_online_cpu(cpu) {
if (!per_cpu(wd_enabled, cpu))
continue;
- if (nmi_count(cpu) - prev_nmi_count[cpu] <= 5) {
+ if (get_nmi_count(cpu) - prev_nmi_count[cpu] <= 5) {
printk(KERN_WARNING "WARNING: CPU#%d: NMI "
"appears to be stuck (%d->%d)!\n",
cpu,
prev_nmi_count[cpu],
- nmi_count(cpu));
+ get_nmi_count(cpu));
per_cpu(wd_enabled, cpu) = 0;
atomic_dec(&nmi_active);
}
@@ -118,37 +155,53 @@ int __init check_nmi_watchdog(void)
if (!atomic_read(&nmi_active)) {
kfree(prev_nmi_count);
atomic_set(&nmi_active, -1);
- return -1;
+ goto error;
}
printk("OK.\n");
- /* now that we know it works we can reduce NMI frequency to
- something more reasonable; makes a difference in some configs */
+ /*
+ * now that we know it works we can reduce NMI frequency to
+ * something more reasonable; makes a difference in some configs
+ */
if (nmi_watchdog == NMI_LOCAL_APIC)
nmi_hz = lapic_adjust_nmi_hz(1);
kfree(prev_nmi_count);
return 0;
+error:
+ if (nmi_watchdog == NMI_IO_APIC && !timer_through_8259)
+ disable_8259A_irq(0);
+#ifdef CONFIG_X86_32
+ timer_ack = 0;
+#endif
+ return -1;
}
static int __init setup_nmi_watchdog(char *str)
{
- int nmi;
+ unsigned int nmi;
+
+ if (!strncmp(str, "panic", 5)) {
+ panic_on_timeout = 1;
+ str = strchr(str, ',');
+ if (!str)
+ return 1;
+ ++str;
+ }
get_option(&str, &nmi);
- if ((nmi >= NMI_INVALID) || (nmi < NMI_NONE))
+ if (nmi >= NMI_INVALID)
return 0;
nmi_watchdog = nmi;
return 1;
}
-
__setup("nmi_watchdog=", setup_nmi_watchdog);
-
-/* Suspend/resume support */
-
+/*
+ * Suspend/resume support
+ */
#ifdef CONFIG_PM
static int nmi_pm_active; /* nmi_active before suspend */
@@ -172,7 +225,6 @@ static int lapic_nmi_resume(struct sys_device *dev)
return 0;
}
-
static struct sysdev_class nmi_sysclass = {
.name = "lapic_nmi",
.resume = lapic_nmi_resume,
@@ -188,7 +240,8 @@ static int __init init_lapic_nmi_sysfs(void)
{
int error;
- /* should really be a BUG_ON but b/c this is an
+ /*
+ * should really be a BUG_ON but b/c this is an
* init call, it just doesn't work. -dcz
*/
if (nmi_watchdog != NMI_LOCAL_APIC)
@@ -202,6 +255,7 @@ static int __init init_lapic_nmi_sysfs(void)
error = sysdev_register(&device_lapic_nmi);
return error;
}
+
/* must come after the local APIC's device_initcall() */
late_initcall(init_lapic_nmi_sysfs);
@@ -218,12 +272,12 @@ static void __acpi_nmi_enable(void *__unused)
void acpi_nmi_enable(void)
{
if (atomic_read(&nmi_active) && nmi_watchdog == NMI_IO_APIC)
- on_each_cpu(__acpi_nmi_enable, NULL, 0, 1);
+ on_each_cpu(__acpi_nmi_enable, NULL, 1);
}
static void __acpi_nmi_disable(void *__unused)
{
- apic_write(APIC_LVT0, APIC_DM_NMI | APIC_LVT_MASKED);
+ apic_write_around(APIC_LVT0, APIC_DM_NMI | APIC_LVT_MASKED);
}
/*
@@ -232,7 +286,7 @@ static void __acpi_nmi_disable(void *__unused)
void acpi_nmi_disable(void)
{
if (atomic_read(&nmi_active) && nmi_watchdog == NMI_IO_APIC)
- on_each_cpu(__acpi_nmi_disable, NULL, 0, 1);
+ on_each_cpu(__acpi_nmi_disable, NULL, 1);
}
void setup_apic_nmi_watchdog(void *unused)
@@ -242,12 +296,13 @@ void setup_apic_nmi_watchdog(void *unused)
/* cheap hack to support suspend/resume */
/* if cpu0 is not active neither should the other cpus */
- if ((smp_processor_id() != 0) && (atomic_read(&nmi_active) <= 0))
+ if (smp_processor_id() != 0 && atomic_read(&nmi_active) <= 0)
return;
switch (nmi_watchdog) {
case NMI_LOCAL_APIC:
- __get_cpu_var(wd_enabled) = 1; /* enable it before to avoid race with handler */
+ /* enable it before to avoid race with handler */
+ __get_cpu_var(wd_enabled) = 1;
if (lapic_watchdog_init(nmi_hz) < 0) {
__get_cpu_var(wd_enabled) = 0;
return;
@@ -262,9 +317,8 @@ void setup_apic_nmi_watchdog(void *unused)
void stop_apic_nmi_watchdog(void *unused)
{
/* only support LOCAL and IO APICs for now */
- if ((nmi_watchdog != NMI_LOCAL_APIC) &&
- (nmi_watchdog != NMI_IO_APIC))
- return;
+ if (!nmi_watchdog_active())
+ return;
if (__get_cpu_var(wd_enabled) == 0)
return;
if (nmi_watchdog == NMI_LOCAL_APIC)
@@ -284,26 +338,26 @@ void stop_apic_nmi_watchdog(void *unused)
* since NMIs don't listen to _any_ locks, we have to be extremely
* careful not to rely on unsafe variables. The printk might lock
* up though, so we have to break up any console locks first ...
- * [when there will be more tty-related locks, break them up
- * here too!]
+ * [when there will be more tty-related locks, break them up here too!]
*/
-static unsigned int
- last_irq_sums [NR_CPUS],
- alert_counter [NR_CPUS];
+static DEFINE_PER_CPU(unsigned, last_irq_sum);
+static DEFINE_PER_CPU(local_t, alert_counter);
+static DEFINE_PER_CPU(int, nmi_touch);
void touch_nmi_watchdog(void)
{
- if (nmi_watchdog > 0) {
+ if (nmi_watchdog_active()) {
unsigned cpu;
/*
- * Just reset the alert counters, (other CPUs might be
- * spinning on locks we hold):
+ * Tell other CPUs to reset their alert counters. We cannot
+ * do it ourselves because the alert count increase is not
+ * atomic.
*/
for_each_present_cpu(cpu) {
- if (alert_counter[cpu])
- alert_counter[cpu] = 0;
+ if (per_cpu(nmi_touch, cpu) != 1)
+ per_cpu(nmi_touch, cpu) = 1;
}
}
@@ -314,12 +368,9 @@ void touch_nmi_watchdog(void)
}
EXPORT_SYMBOL(touch_nmi_watchdog);
-extern void die_nmi(struct pt_regs *, const char *msg);
-
notrace __kprobes int
nmi_watchdog_tick(struct pt_regs *regs, unsigned reason)
{
-
/*
* Since current_thread_info()-> is always on the stack, and we
* always switch the stack NMI-atomically, it's safe to use
@@ -337,39 +388,45 @@ nmi_watchdog_tick(struct pt_regs *regs, unsigned reason)
touched = 1;
}
+ sum = get_timer_irqs(cpu);
+
+ if (__get_cpu_var(nmi_touch)) {
+ __get_cpu_var(nmi_touch) = 0;
+ touched = 1;
+ }
+
if (cpu_isset(cpu, backtrace_mask)) {
static DEFINE_SPINLOCK(lock); /* Serialise the printks */
spin_lock(&lock);
- printk("NMI backtrace for cpu %d\n", cpu);
+ printk(KERN_WARNING "NMI backtrace for cpu %d\n", cpu);
dump_stack();
spin_unlock(&lock);
cpu_clear(cpu, backtrace_mask);
}
- /*
- * Take the local apic timer and PIT/HPET into account. We don't
- * know which one is active, when we have highres/dyntick on
- */
- sum = per_cpu(irq_stat, cpu).apic_timer_irqs +
- per_cpu(irq_stat, cpu).irq0_irqs;
+ /* Could check oops_in_progress here too, but it's safer not to */
+ if (mce_in_progress())
+ touched = 1;
/* if the none of the timers isn't firing, this cpu isn't doing much */
- if (!touched && last_irq_sums[cpu] == sum) {
+ if (!touched && __get_cpu_var(last_irq_sum) == sum) {
/*
* Ayiee, looks like this CPU is stuck ...
* wait a few IRQs (5 seconds) before doing the oops ...
*/
- alert_counter[cpu]++;
- if (alert_counter[cpu] == 5*nmi_hz)
+ local_inc(&__get_cpu_var(alert_counter));
+ if (local_read(&__get_cpu_var(alert_counter)) == 5 * nmi_hz)
/*
* die_nmi will return ONLY if NOTIFY_STOP happens..
*/
- die_nmi(regs, "BUG: NMI Watchdog detected LOCKUP");
+ die_nmi("BUG: NMI Watchdog detected LOCKUP",
+ regs, panic_on_timeout);
} else {
- last_irq_sums[cpu] = sum;
- alert_counter[cpu] = 0;
+ __get_cpu_var(last_irq_sum) = sum;
+ local_set(&__get_cpu_var(alert_counter), 0);
}
+
/* see if the nmi watchdog went off */
if (!__get_cpu_var(wd_enabled))
return rc;
@@ -378,7 +435,8 @@ nmi_watchdog_tick(struct pt_regs *regs, unsigned reason)
rc |= lapic_wd_event(nmi_hz);
break;
case NMI_IO_APIC:
- /* don't know how to accurately check for this.
+ /*
+ * don't know how to accurately check for this.
* just assume it was a watchdog timer interrupt
* This matches the old behaviour.
*/
@@ -396,7 +454,7 @@ static int unknown_nmi_panic_callback(struct pt_regs *regs, int cpu)
char buf[64];
sprintf(buf, "NMI received for unknown reason %02x\n", reason);
- die_nmi(regs, buf);
+ die_nmi(buf, regs, 1); /* Always panic here */
return 0;
}
@@ -414,32 +472,26 @@ int proc_nmi_enabled(struct ctl_table *table, int write, struct file *file,
if (!!old_state == !!nmi_watchdog_enabled)
return 0;
- if (atomic_read(&nmi_active) < 0 || nmi_watchdog == NMI_DISABLED) {
- printk( KERN_WARNING "NMI watchdog is permanently disabled\n");
+ if (atomic_read(&nmi_active) < 0 || !nmi_watchdog_active()) {
+ printk(KERN_WARNING
+ "NMI watchdog is permanently disabled\n");
return -EIO;
}
- if (nmi_watchdog == NMI_DEFAULT) {
- if (lapic_watchdog_ok())
- nmi_watchdog = NMI_LOCAL_APIC;
- else
- nmi_watchdog = NMI_IO_APIC;
- }
-
if (nmi_watchdog == NMI_LOCAL_APIC) {
if (nmi_watchdog_enabled)
enable_lapic_nmi_watchdog();
else
disable_lapic_nmi_watchdog();
} else {
- printk( KERN_WARNING
+ printk(KERN_WARNING
"NMI watchdog doesn't know what hardware to touch\n");
return -EIO;
}
return 0;
}
-#endif
+#endif /* CONFIG_SYSCTL */
int do_nmi_callback(struct pt_regs *regs, int cpu)
{
@@ -462,6 +514,3 @@ void __trigger_all_cpu_backtrace(void)
mdelay(1);
}
}
-
-EXPORT_SYMBOL(nmi_active);
-EXPORT_SYMBOL(nmi_watchdog);
diff --git a/arch/x86/kernel/nmi_64.c b/arch/x86/kernel/nmi_64.c
deleted file mode 100644
index 5a29ded994f..00000000000
--- a/arch/x86/kernel/nmi_64.c
+++ /dev/null
@@ -1,482 +0,0 @@
-/*
- * NMI watchdog support on APIC systems
- *
- * Started by Ingo Molnar <mingo@redhat.com>
- *
- * Fixes:
- * Mikael Pettersson : AMD K7 support for local APIC NMI watchdog.
- * Mikael Pettersson : Power Management for local APIC NMI watchdog.
- * Pavel Machek and
- * Mikael Pettersson : PM converted to driver model. Disable/enable API.
- */
-
-#include <linux/nmi.h>
-#include <linux/mm.h>
-#include <linux/delay.h>
-#include <linux/interrupt.h>
-#include <linux/module.h>
-#include <linux/sysdev.h>
-#include <linux/sysctl.h>
-#include <linux/kprobes.h>
-#include <linux/cpumask.h>
-#include <linux/kdebug.h>
-
-#include <asm/smp.h>
-#include <asm/nmi.h>
-#include <asm/proto.h>
-#include <asm/mce.h>
-
-#include <mach_traps.h>
-
-int unknown_nmi_panic;
-int nmi_watchdog_enabled;
-int panic_on_unrecovered_nmi;
-
-static cpumask_t backtrace_mask = CPU_MASK_NONE;
-
-/* nmi_active:
- * >0: the lapic NMI watchdog is active, but can be disabled
- * <0: the lapic NMI watchdog has not been set up, and cannot
- * be enabled
- * 0: the lapic NMI watchdog is disabled, but can be enabled
- */
-atomic_t nmi_active = ATOMIC_INIT(0); /* oprofile uses this */
-static int panic_on_timeout;
-
-unsigned int nmi_watchdog = NMI_DEFAULT;
-static unsigned int nmi_hz = HZ;
-
-static DEFINE_PER_CPU(short, wd_enabled);
-
-/* Run after command line and cpu_init init, but before all other checks */
-void nmi_watchdog_default(void)
-{
- if (nmi_watchdog != NMI_DEFAULT)
- return;
- nmi_watchdog = NMI_NONE;
-}
-
-static int endflag __initdata = 0;
-
-#ifdef CONFIG_SMP
-/* The performance counters used by NMI_LOCAL_APIC don't trigger when
- * the CPU is idle. To make sure the NMI watchdog really ticks on all
- * CPUs during the test make them busy.
- */
-static __init void nmi_cpu_busy(void *data)
-{
- local_irq_enable_in_hardirq();
- /* Intentionally don't use cpu_relax here. This is
- to make sure that the performance counter really ticks,
- even if there is a simulator or similar that catches the
- pause instruction. On a real HT machine this is fine because
- all other CPUs are busy with "useless" delay loops and don't
- care if they get somewhat less cycles. */
- while (endflag == 0)
- mb();
-}
-#endif
-
-int __init check_nmi_watchdog(void)
-{
- int *prev_nmi_count;
- int cpu;
-
- if ((nmi_watchdog == NMI_NONE) || (nmi_watchdog == NMI_DISABLED))
- return 0;
-
- if (!atomic_read(&nmi_active))
- return 0;
-
- prev_nmi_count = kmalloc(NR_CPUS * sizeof(int), GFP_KERNEL);
- if (!prev_nmi_count)
- return -1;
-
- printk(KERN_INFO "Testing NMI watchdog ... ");
-
-#ifdef CONFIG_SMP
- if (nmi_watchdog == NMI_LOCAL_APIC)
- smp_call_function(nmi_cpu_busy, (void *)&endflag, 0, 0);
-#endif
-
- for (cpu = 0; cpu < NR_CPUS; cpu++)
- prev_nmi_count[cpu] = cpu_pda(cpu)->__nmi_count;
- local_irq_enable();
- mdelay((20*1000)/nmi_hz); // wait 20 ticks
-
- for_each_online_cpu(cpu) {
- if (!per_cpu(wd_enabled, cpu))
- continue;
- if (cpu_pda(cpu)->__nmi_count - prev_nmi_count[cpu] <= 5) {
- printk(KERN_WARNING "WARNING: CPU#%d: NMI "
- "appears to be stuck (%d->%d)!\n",
- cpu,
- prev_nmi_count[cpu],
- cpu_pda(cpu)->__nmi_count);
- per_cpu(wd_enabled, cpu) = 0;
- atomic_dec(&nmi_active);
- }
- }
- endflag = 1;
- if (!atomic_read(&nmi_active)) {
- kfree(prev_nmi_count);
- atomic_set(&nmi_active, -1);
- return -1;
- }
- printk("OK.\n");
-
- /* now that we know it works we can reduce NMI frequency to
- something more reasonable; makes a difference in some configs */
- if (nmi_watchdog == NMI_LOCAL_APIC)
- nmi_hz = lapic_adjust_nmi_hz(1);
-
- kfree(prev_nmi_count);
- return 0;
-}
-
-static int __init setup_nmi_watchdog(char *str)
-{
- int nmi;
-
- if (!strncmp(str,"panic",5)) {
- panic_on_timeout = 1;
- str = strchr(str, ',');
- if (!str)
- return 1;
- ++str;
- }
-
- get_option(&str, &nmi);
-
- if ((nmi >= NMI_INVALID) || (nmi < NMI_NONE))
- return 0;
-
- nmi_watchdog = nmi;
- return 1;
-}
-
-__setup("nmi_watchdog=", setup_nmi_watchdog);
-
-#ifdef CONFIG_PM
-
-static int nmi_pm_active; /* nmi_active before suspend */
-
-static int lapic_nmi_suspend(struct sys_device *dev, pm_message_t state)
-{
- /* only CPU0 goes here, other CPUs should be offline */
- nmi_pm_active = atomic_read(&nmi_active);
- stop_apic_nmi_watchdog(NULL);
- BUG_ON(atomic_read(&nmi_active) != 0);
- return 0;
-}
-
-static int lapic_nmi_resume(struct sys_device *dev)
-{
- /* only CPU0 goes here, other CPUs should be offline */
- if (nmi_pm_active > 0) {
- setup_apic_nmi_watchdog(NULL);
- touch_nmi_watchdog();
- }
- return 0;
-}
-
-static struct sysdev_class nmi_sysclass = {
- .name = "lapic_nmi",
- .resume = lapic_nmi_resume,
- .suspend = lapic_nmi_suspend,
-};
-
-static struct sys_device device_lapic_nmi = {
- .id = 0,
- .cls = &nmi_sysclass,
-};
-
-static int __init init_lapic_nmi_sysfs(void)
-{
- int error;
-
- /* should really be a BUG_ON but b/c this is an
- * init call, it just doesn't work. -dcz
- */
- if (nmi_watchdog != NMI_LOCAL_APIC)
- return 0;
-
- if (atomic_read(&nmi_active) < 0)
- return 0;
-
- error = sysdev_class_register(&nmi_sysclass);
- if (!error)
- error = sysdev_register(&device_lapic_nmi);
- return error;
-}
-/* must come after the local APIC's device_initcall() */
-late_initcall(init_lapic_nmi_sysfs);
-
-#endif /* CONFIG_PM */
-
-static void __acpi_nmi_enable(void *__unused)
-{
- apic_write(APIC_LVT0, APIC_DM_NMI);
-}
-
-/*
- * Enable timer based NMIs on all CPUs:
- */
-void acpi_nmi_enable(void)
-{
- if (atomic_read(&nmi_active) && nmi_watchdog == NMI_IO_APIC)
- on_each_cpu(__acpi_nmi_enable, NULL, 0, 1);
-}
-
-static void __acpi_nmi_disable(void *__unused)
-{
- apic_write(APIC_LVT0, APIC_DM_NMI | APIC_LVT_MASKED);
-}
-
-/*
- * Disable timer based NMIs on all CPUs:
- */
-void acpi_nmi_disable(void)
-{
- if (atomic_read(&nmi_active) && nmi_watchdog == NMI_IO_APIC)
- on_each_cpu(__acpi_nmi_disable, NULL, 0, 1);
-}
-
-void setup_apic_nmi_watchdog(void *unused)
-{
- if (__get_cpu_var(wd_enabled))
- return;
-
- /* cheap hack to support suspend/resume */
- /* if cpu0 is not active neither should the other cpus */
- if ((smp_processor_id() != 0) && (atomic_read(&nmi_active) <= 0))
- return;
-
- switch (nmi_watchdog) {
- case NMI_LOCAL_APIC:
- __get_cpu_var(wd_enabled) = 1;
- if (lapic_watchdog_init(nmi_hz) < 0) {
- __get_cpu_var(wd_enabled) = 0;
- return;
- }
- /* FALL THROUGH */
- case NMI_IO_APIC:
- __get_cpu_var(wd_enabled) = 1;
- atomic_inc(&nmi_active);
- }
-}
-
-void stop_apic_nmi_watchdog(void *unused)
-{
- /* only support LOCAL and IO APICs for now */
- if ((nmi_watchdog != NMI_LOCAL_APIC) &&
- (nmi_watchdog != NMI_IO_APIC))
- return;
- if (__get_cpu_var(wd_enabled) == 0)
- return;
- if (nmi_watchdog == NMI_LOCAL_APIC)
- lapic_watchdog_stop();
- __get_cpu_var(wd_enabled) = 0;
- atomic_dec(&nmi_active);
-}
-
-/*
- * the best way to detect whether a CPU has a 'hard lockup' problem
- * is to check it's local APIC timer IRQ counts. If they are not
- * changing then that CPU has some problem.
- *
- * as these watchdog NMI IRQs are generated on every CPU, we only
- * have to check the current processor.
- */
-
-static DEFINE_PER_CPU(unsigned, last_irq_sum);
-static DEFINE_PER_CPU(local_t, alert_counter);
-static DEFINE_PER_CPU(int, nmi_touch);
-
-void touch_nmi_watchdog(void)
-{
- if (nmi_watchdog > 0) {
- unsigned cpu;
-
- /*
- * Tell other CPUs to reset their alert counters. We cannot
- * do it ourselves because the alert count increase is not
- * atomic.
- */
- for_each_present_cpu(cpu) {
- if (per_cpu(nmi_touch, cpu) != 1)
- per_cpu(nmi_touch, cpu) = 1;
- }
- }
-
- touch_softlockup_watchdog();
-}
-EXPORT_SYMBOL(touch_nmi_watchdog);
-
-notrace __kprobes int
-nmi_watchdog_tick(struct pt_regs *regs, unsigned reason)
-{
- int sum;
- int touched = 0;
- int cpu = smp_processor_id();
- int rc = 0;
-
- /* check for other users first */
- if (notify_die(DIE_NMI, "nmi", regs, reason, 2, SIGINT)
- == NOTIFY_STOP) {
- rc = 1;
- touched = 1;
- }
-
- sum = read_pda(apic_timer_irqs) + read_pda(irq0_irqs);
- if (__get_cpu_var(nmi_touch)) {
- __get_cpu_var(nmi_touch) = 0;
- touched = 1;
- }
-
- if (cpu_isset(cpu, backtrace_mask)) {
- static DEFINE_SPINLOCK(lock); /* Serialise the printks */
-
- spin_lock(&lock);
- printk("NMI backtrace for cpu %d\n", cpu);
- dump_stack();
- spin_unlock(&lock);
- cpu_clear(cpu, backtrace_mask);
- }
-
-#ifdef CONFIG_X86_MCE
- /* Could check oops_in_progress here too, but it's safer
- not too */
- if (atomic_read(&mce_entry) > 0)
- touched = 1;
-#endif
- /* if the apic timer isn't firing, this cpu isn't doing much */
- if (!touched && __get_cpu_var(last_irq_sum) == sum) {
- /*
- * Ayiee, looks like this CPU is stuck ...
- * wait a few IRQs (5 seconds) before doing the oops ...
- */
- local_inc(&__get_cpu_var(alert_counter));
- if (local_read(&__get_cpu_var(alert_counter)) == 5*nmi_hz)
- die_nmi("NMI Watchdog detected LOCKUP on CPU %d\n", regs,
- panic_on_timeout);
- } else {
- __get_cpu_var(last_irq_sum) = sum;
- local_set(&__get_cpu_var(alert_counter), 0);
- }
-
- /* see if the nmi watchdog went off */
- if (!__get_cpu_var(wd_enabled))
- return rc;
- switch (nmi_watchdog) {
- case NMI_LOCAL_APIC:
- rc |= lapic_wd_event(nmi_hz);
- break;
- case NMI_IO_APIC:
- /* don't know how to accurately check for this.
- * just assume it was a watchdog timer interrupt
- * This matches the old behaviour.
- */
- rc = 1;
- break;
- }
- return rc;
-}
-
-static unsigned ignore_nmis;
-
-asmlinkage notrace __kprobes void
-do_nmi(struct pt_regs *regs, long error_code)
-{
- nmi_enter();
- add_pda(__nmi_count,1);
- if (!ignore_nmis)
- default_do_nmi(regs);
- nmi_exit();
-}
-
-void stop_nmi(void)
-{
- acpi_nmi_disable();
- ignore_nmis++;
-}
-
-void restart_nmi(void)
-{
- ignore_nmis--;
- acpi_nmi_enable();
-}
-
-#ifdef CONFIG_SYSCTL
-
-static int unknown_nmi_panic_callback(struct pt_regs *regs, int cpu)
-{
- unsigned char reason = get_nmi_reason();
- char buf[64];
-
- sprintf(buf, "NMI received for unknown reason %02x\n", reason);
- die_nmi(buf, regs, 1); /* Always panic here */
- return 0;
-}
-
-/*
- * proc handler for /proc/sys/kernel/nmi
- */
-int proc_nmi_enabled(struct ctl_table *table, int write, struct file *file,
- void __user *buffer, size_t *length, loff_t *ppos)
-{
- int old_state;
-
- nmi_watchdog_enabled = (atomic_read(&nmi_active) > 0) ? 1 : 0;
- old_state = nmi_watchdog_enabled;
- proc_dointvec(table, write, file, buffer, length, ppos);
- if (!!old_state == !!nmi_watchdog_enabled)
- return 0;
-
- if (atomic_read(&nmi_active) < 0 || nmi_watchdog == NMI_DISABLED) {
- printk( KERN_WARNING "NMI watchdog is permanently disabled\n");
- return -EIO;
- }
-
- /* if nmi_watchdog is not set yet, then set it */
- nmi_watchdog_default();
-
- if (nmi_watchdog == NMI_LOCAL_APIC) {
- if (nmi_watchdog_enabled)
- enable_lapic_nmi_watchdog();
- else
- disable_lapic_nmi_watchdog();
- } else {
- printk( KERN_WARNING
- "NMI watchdog doesn't know what hardware to touch\n");
- return -EIO;
- }
- return 0;
-}
-
-#endif
-
-int do_nmi_callback(struct pt_regs *regs, int cpu)
-{
-#ifdef CONFIG_SYSCTL
- if (unknown_nmi_panic)
- return unknown_nmi_panic_callback(regs, cpu);
-#endif
- return 0;
-}
-
-void __trigger_all_cpu_backtrace(void)
-{
- int i;
-
- backtrace_mask = cpu_online_map;
- /* Wait for up to 10 seconds for all CPUs to do the backtrace */
- for (i = 0; i < 10 * 1000; i++) {
- if (cpus_empty(backtrace_mask))
- break;
- mdelay(1);
- }
-}
-
-EXPORT_SYMBOL(nmi_active);
-EXPORT_SYMBOL(nmi_watchdog);
diff --git a/arch/x86/kernel/numaq_32.c b/arch/x86/kernel/numaq_32.c
index e65281b1634..5b20a5e7ac2 100644
--- a/arch/x86/kernel/numaq_32.c
+++ b/arch/x86/kernel/numaq_32.c
@@ -31,6 +31,8 @@
#include <asm/numaq.h>
#include <asm/topology.h>
#include <asm/processor.h>
+#include <asm/mpspec.h>
+#include <asm/e820.h>
#define MB_TO_PAGES(addr) ((addr) << (20 - PAGE_SHIFT))
@@ -58,6 +60,8 @@ static void __init smp_dump_qct(void)
node_end_pfn[node] = MB_TO_PAGES(
eq->hi_shrd_mem_start + eq->hi_shrd_mem_size);
+ e820_register_active_regions(node, node_start_pfn[node],
+ node_end_pfn[node]);
memory_present(node,
node_start_pfn[node], node_end_pfn[node]);
node_remap_size[node] = node_memmap_size_bytes(node,
@@ -67,23 +71,35 @@ static void __init smp_dump_qct(void)
}
}
-/*
- * Unlike Summit, we don't really care to let the NUMA-Q
- * fall back to flat mode. Don't compile for NUMA-Q
- * unless you really need it!
- */
+static __init void early_check_numaq(void)
+{
+ /*
+ * Find possible boot-time SMP configuration:
+ */
+ early_find_smp_config();
+ /*
+ * get boot-time SMP configuration:
+ */
+ if (smp_found_config)
+ early_get_smp_config();
+}
+
int __init get_memcfg_numaq(void)
{
+ early_check_numaq();
+ if (!found_numaq)
+ return 0;
smp_dump_qct();
return 1;
}
-static int __init numaq_tsc_disable(void)
+void __init numaq_tsc_disable(void)
{
+ if (!found_numaq)
+ return -1;
+
if (num_online_nodes() > 1) {
printk(KERN_DEBUG "NUMAQ: disabling TSC\n");
setup_clear_cpu_cap(X86_FEATURE_TSC);
}
- return 0;
}
-arch_initcall(numaq_tsc_disable);
diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c
index 74f0c5ea2a0..e0f571d58c1 100644
--- a/arch/x86/kernel/paravirt.c
+++ b/arch/x86/kernel/paravirt.c
@@ -30,6 +30,7 @@
#include <asm/setup.h>
#include <asm/arch_hooks.h>
#include <asm/time.h>
+#include <asm/pgalloc.h>
#include <asm/irq.h>
#include <asm/delay.h>
#include <asm/fixmap.h>
@@ -139,7 +140,9 @@ unsigned paravirt_patch_default(u8 type, u16 clobbers, void *insnbuf,
/* If the operation is a nop, then nop the callsite */
ret = paravirt_patch_nop();
else if (type == PARAVIRT_PATCH(pv_cpu_ops.iret) ||
- type == PARAVIRT_PATCH(pv_cpu_ops.irq_enable_syscall_ret))
+ type == PARAVIRT_PATCH(pv_cpu_ops.irq_enable_sysexit) ||
+ type == PARAVIRT_PATCH(pv_cpu_ops.usergs_sysret32) ||
+ type == PARAVIRT_PATCH(pv_cpu_ops.usergs_sysret64))
/* If operation requires a jmp, then jmp */
ret = paravirt_patch_jmp(insnbuf, opfunc, addr, len);
else
@@ -190,7 +193,9 @@ static void native_flush_tlb_single(unsigned long addr)
/* These are in entry.S */
extern void native_iret(void);
-extern void native_irq_enable_syscall_ret(void);
+extern void native_irq_enable_sysexit(void);
+extern void native_usergs_sysret32(void);
+extern void native_usergs_sysret64(void);
static int __init print_banner(void)
{
@@ -280,7 +285,7 @@ struct pv_time_ops pv_time_ops = {
.get_wallclock = native_get_wallclock,
.set_wallclock = native_set_wallclock,
.sched_clock = native_sched_clock,
- .get_cpu_khz = native_calculate_cpu_khz,
+ .get_tsc_khz = native_calibrate_tsc,
};
struct pv_irq_ops pv_irq_ops = {
@@ -291,6 +296,9 @@ struct pv_irq_ops pv_irq_ops = {
.irq_enable = native_irq_enable,
.safe_halt = native_safe_halt,
.halt = native_halt,
+#ifdef CONFIG_X86_64
+ .adjust_exception_frame = paravirt_nop,
+#endif
};
struct pv_cpu_ops pv_cpu_ops = {
@@ -321,12 +329,23 @@ struct pv_cpu_ops pv_cpu_ops = {
.store_idt = native_store_idt,
.store_tr = native_store_tr,
.load_tls = native_load_tls,
+#ifdef CONFIG_X86_64
+ .load_gs_index = native_load_gs_index,
+#endif
.write_ldt_entry = native_write_ldt_entry,
.write_gdt_entry = native_write_gdt_entry,
.write_idt_entry = native_write_idt_entry,
.load_sp0 = native_load_sp0,
- .irq_enable_syscall_ret = native_irq_enable_syscall_ret,
+#if defined(CONFIG_X86_32) || defined(CONFIG_IA32_EMULATION)
+ .irq_enable_sysexit = native_irq_enable_sysexit,
+#endif
+#ifdef CONFIG_X86_64
+#ifdef CONFIG_IA32_EMULATION
+ .usergs_sysret32 = native_usergs_sysret32,
+#endif
+ .usergs_sysret64 = native_usergs_sysret64,
+#endif
.iret = native_iret,
.swapgs = native_swapgs,
@@ -366,6 +385,9 @@ struct pv_mmu_ops pv_mmu_ops = {
.flush_tlb_single = native_flush_tlb_single,
.flush_tlb_others = native_flush_tlb_others,
+ .pgd_alloc = __paravirt_pgd_alloc,
+ .pgd_free = paravirt_nop,
+
.alloc_pte = paravirt_nop,
.alloc_pmd = paravirt_nop,
.alloc_pmd_clone = paravirt_nop,
@@ -380,6 +402,9 @@ struct pv_mmu_ops pv_mmu_ops = {
.pte_update = paravirt_nop,
.pte_update_defer = paravirt_nop,
+ .ptep_modify_prot_start = __ptep_modify_prot_start,
+ .ptep_modify_prot_commit = __ptep_modify_prot_commit,
+
#ifdef CONFIG_HIGHPTE
.kmap_atomic_pte = kmap_atomic,
#endif
@@ -403,6 +428,7 @@ struct pv_mmu_ops pv_mmu_ops = {
#endif /* PAGETABLE_LEVELS >= 3 */
.pte_val = native_pte_val,
+ .pte_flags = native_pte_val,
.pgd_val = native_pgd_val,
.make_pte = native_make_pte,
@@ -416,6 +442,8 @@ struct pv_mmu_ops pv_mmu_ops = {
.enter = paravirt_nop,
.leave = paravirt_nop,
},
+
+ .set_fixmap = native_set_fixmap,
};
EXPORT_SYMBOL_GPL(pv_time_ops);
diff --git a/arch/x86/kernel/paravirt_patch_32.c b/arch/x86/kernel/paravirt_patch_32.c
index 82fc5fcab4f..58262218781 100644
--- a/arch/x86/kernel/paravirt_patch_32.c
+++ b/arch/x86/kernel/paravirt_patch_32.c
@@ -5,7 +5,7 @@ DEF_NATIVE(pv_irq_ops, irq_enable, "sti");
DEF_NATIVE(pv_irq_ops, restore_fl, "push %eax; popf");
DEF_NATIVE(pv_irq_ops, save_fl, "pushf; pop %eax");
DEF_NATIVE(pv_cpu_ops, iret, "iret");
-DEF_NATIVE(pv_cpu_ops, irq_enable_syscall_ret, "sti; sysexit");
+DEF_NATIVE(pv_cpu_ops, irq_enable_sysexit, "sti; sysexit");
DEF_NATIVE(pv_mmu_ops, read_cr2, "mov %cr2, %eax");
DEF_NATIVE(pv_mmu_ops, write_cr3, "mov %eax, %cr3");
DEF_NATIVE(pv_mmu_ops, read_cr3, "mov %cr3, %eax");
@@ -29,7 +29,7 @@ unsigned native_patch(u8 type, u16 clobbers, void *ibuf,
PATCH_SITE(pv_irq_ops, restore_fl);
PATCH_SITE(pv_irq_ops, save_fl);
PATCH_SITE(pv_cpu_ops, iret);
- PATCH_SITE(pv_cpu_ops, irq_enable_syscall_ret);
+ PATCH_SITE(pv_cpu_ops, irq_enable_sysexit);
PATCH_SITE(pv_mmu_ops, read_cr2);
PATCH_SITE(pv_mmu_ops, read_cr3);
PATCH_SITE(pv_mmu_ops, write_cr3);
diff --git a/arch/x86/kernel/paravirt_patch_64.c b/arch/x86/kernel/paravirt_patch_64.c
index 7d904e138d7..061d01df9ae 100644
--- a/arch/x86/kernel/paravirt_patch_64.c
+++ b/arch/x86/kernel/paravirt_patch_64.c
@@ -14,8 +14,9 @@ DEF_NATIVE(pv_mmu_ops, flush_tlb_single, "invlpg (%rdi)");
DEF_NATIVE(pv_cpu_ops, clts, "clts");
DEF_NATIVE(pv_cpu_ops, wbinvd, "wbinvd");
-/* the three commands give us more control to how to return from a syscall */
-DEF_NATIVE(pv_cpu_ops, irq_enable_syscall_ret, "movq %gs:" __stringify(pda_oldrsp) ", %rsp; swapgs; sysretq;");
+DEF_NATIVE(pv_cpu_ops, irq_enable_sysexit, "swapgs; sti; sysexit");
+DEF_NATIVE(pv_cpu_ops, usergs_sysret64, "swapgs; sysretq");
+DEF_NATIVE(pv_cpu_ops, usergs_sysret32, "swapgs; sysretl");
DEF_NATIVE(pv_cpu_ops, swapgs, "swapgs");
unsigned native_patch(u8 type, u16 clobbers, void *ibuf,
@@ -35,7 +36,9 @@ unsigned native_patch(u8 type, u16 clobbers, void *ibuf,
PATCH_SITE(pv_irq_ops, irq_enable);
PATCH_SITE(pv_irq_ops, irq_disable);
PATCH_SITE(pv_cpu_ops, iret);
- PATCH_SITE(pv_cpu_ops, irq_enable_syscall_ret);
+ PATCH_SITE(pv_cpu_ops, irq_enable_sysexit);
+ PATCH_SITE(pv_cpu_ops, usergs_sysret32);
+ PATCH_SITE(pv_cpu_ops, usergs_sysret64);
PATCH_SITE(pv_cpu_ops, swapgs);
PATCH_SITE(pv_mmu_ops, read_cr2);
PATCH_SITE(pv_mmu_ops, read_cr3);
diff --git a/arch/x86/kernel/pci-calgary_64.c b/arch/x86/kernel/pci-calgary_64.c
index e28ec497e14..6959b5c45df 100644
--- a/arch/x86/kernel/pci-calgary_64.c
+++ b/arch/x86/kernel/pci-calgary_64.c
@@ -1394,7 +1394,7 @@ void __init detect_calgary(void)
return;
}
- specified_table_size = determine_tce_table_size(end_pfn * PAGE_SIZE);
+ specified_table_size = determine_tce_table_size(max_pfn * PAGE_SIZE);
for (bus = 0; bus < MAX_PHB_BUS_NUM; bus++) {
struct calgary_bus_info *info = &bus_info[bus];
@@ -1459,7 +1459,7 @@ int __init calgary_iommu_init(void)
if (ret) {
printk(KERN_ERR "PCI-DMA: Calgary init failed %d, "
"falling back to no_iommu\n", ret);
- if (end_pfn > MAX_DMA32_PFN)
+ if (max_pfn > MAX_DMA32_PFN)
printk(KERN_ERR "WARNING more than 4GB of memory, "
"32bit PCI may malfunction.\n");
return ret;
diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c
index dc00a1331ac..8467ec2320f 100644
--- a/arch/x86/kernel/pci-dma.c
+++ b/arch/x86/kernel/pci-dma.c
@@ -7,6 +7,7 @@
#include <asm/dma.h>
#include <asm/gart.h>
#include <asm/calgary.h>
+#include <asm/amd_iommu.h>
int forbid_dac __read_mostly;
EXPORT_SYMBOL(forbid_dac);
@@ -74,13 +75,17 @@ early_param("dma32_size", parse_dma32_size_opt);
void __init dma32_reserve_bootmem(void)
{
unsigned long size, align;
- if (end_pfn <= MAX_DMA32_PFN)
+ if (max_pfn <= MAX_DMA32_PFN)
return;
+ /*
+ * check aperture_64.c allocate_aperture() for reason about
+ * using 512M as goal
+ */
align = 64ULL<<20;
size = round_up(dma32_bootmem_size, align);
dma32_bootmem_ptr = __alloc_bootmem_nopanic(size, align,
- __pa(MAX_DMA_ADDRESS));
+ 512ULL<<20);
if (dma32_bootmem_ptr)
dma32_bootmem_size = size;
else
@@ -88,17 +93,14 @@ void __init dma32_reserve_bootmem(void)
}
static void __init dma32_free_bootmem(void)
{
- int node;
- if (end_pfn <= MAX_DMA32_PFN)
+ if (max_pfn <= MAX_DMA32_PFN)
return;
if (!dma32_bootmem_ptr)
return;
- for_each_online_node(node)
- free_bootmem_node(NODE_DATA(node), __pa(dma32_bootmem_ptr),
- dma32_bootmem_size);
+ free_bootmem(__pa(dma32_bootmem_ptr), dma32_bootmem_size);
dma32_bootmem_ptr = NULL;
dma32_bootmem_size = 0;
@@ -122,6 +124,8 @@ void __init pci_iommu_alloc(void)
detect_intel_iommu();
+ amd_iommu_detect();
+
#ifdef CONFIG_SWIOTLB
pci_swiotlb_init();
#endif
@@ -357,7 +361,7 @@ int dma_supported(struct device *dev, u64 mask)
EXPORT_SYMBOL(dma_supported);
/* Allocate DMA memory on node near device */
-noinline struct page *
+static noinline struct page *
dma_alloc_pages(struct device *dev, gfp_t gfp, unsigned order)
{
int node;
@@ -502,6 +506,8 @@ static int __init pci_iommu_init(void)
intel_iommu_init();
+ amd_iommu_init();
+
#ifdef CONFIG_GART_IOMMU
gart_iommu_init();
#endif
diff --git a/arch/x86/kernel/pci-gart_64.c b/arch/x86/kernel/pci-gart_64.c
index aa8ec928caa..c3fe78406d1 100644
--- a/arch/x86/kernel/pci-gart_64.c
+++ b/arch/x86/kernel/pci-gart_64.c
@@ -104,7 +104,6 @@ static unsigned long alloc_iommu(struct device *dev, int size)
size, base_index, boundary_size, 0);
}
if (offset != -1) {
- set_bit_string(iommu_gart_bitmap, offset, size);
next_bit = offset+size;
if (next_bit >= iommu_pages) {
next_bit = 0;
@@ -534,8 +533,8 @@ static __init unsigned read_aperture(struct pci_dev *dev, u32 *size)
unsigned aper_size = 0, aper_base_32, aper_order;
u64 aper_base;
- pci_read_config_dword(dev, 0x94, &aper_base_32);
- pci_read_config_dword(dev, 0x90, &aper_order);
+ pci_read_config_dword(dev, AMD64_GARTAPERTUREBASE, &aper_base_32);
+ pci_read_config_dword(dev, AMD64_GARTAPERTURECTL, &aper_order);
aper_order = (aper_order >> 1) & 7;
aper_base = aper_base_32 & 0x7fff;
@@ -549,14 +548,63 @@ static __init unsigned read_aperture(struct pci_dev *dev, u32 *size)
return aper_base;
}
+static void enable_gart_translations(void)
+{
+ int i;
+
+ for (i = 0; i < num_k8_northbridges; i++) {
+ struct pci_dev *dev = k8_northbridges[i];
+
+ enable_gart_translation(dev, __pa(agp_gatt_table));
+ }
+}
+
+/*
+ * If fix_up_north_bridges is set, the north bridges have to be fixed up on
+ * resume in the same way as they are handled in gart_iommu_hole_init().
+ */
+static bool fix_up_north_bridges;
+static u32 aperture_order;
+static u32 aperture_alloc;
+
+void set_up_gart_resume(u32 aper_order, u32 aper_alloc)
+{
+ fix_up_north_bridges = true;
+ aperture_order = aper_order;
+ aperture_alloc = aper_alloc;
+}
+
static int gart_resume(struct sys_device *dev)
{
+ printk(KERN_INFO "PCI-DMA: Resuming GART IOMMU\n");
+
+ if (fix_up_north_bridges) {
+ int i;
+
+ printk(KERN_INFO "PCI-DMA: Restoring GART aperture settings\n");
+
+ for (i = 0; i < num_k8_northbridges; i++) {
+ struct pci_dev *dev = k8_northbridges[i];
+
+ /*
+ * Don't enable translations just yet. That is the next
+ * step. Restore the pre-suspend aperture settings.
+ */
+ pci_write_config_dword(dev, AMD64_GARTAPERTURECTL,
+ aperture_order << 1);
+ pci_write_config_dword(dev, AMD64_GARTAPERTUREBASE,
+ aperture_alloc >> 25);
+ }
+ }
+
+ enable_gart_translations();
+
return 0;
}
static int gart_suspend(struct sys_device *dev, pm_message_t state)
{
- return -EINVAL;
+ return 0;
}
static struct sysdev_class gart_sysdev_class = {
@@ -582,6 +630,7 @@ static __init int init_k8_gatt(struct agp_kern_info *info)
struct pci_dev *dev;
void *gatt;
int i, error;
+ unsigned long start_pfn, end_pfn;
printk(KERN_INFO "PCI-DMA: Disabling AGP.\n");
aper_size = aper_base = info->aper_size = 0;
@@ -614,31 +663,25 @@ static __init int init_k8_gatt(struct agp_kern_info *info)
memset(gatt, 0, gatt_size);
agp_gatt_table = gatt;
- for (i = 0; i < num_k8_northbridges; i++) {
- u32 gatt_reg;
- u32 ctl;
-
- dev = k8_northbridges[i];
- gatt_reg = __pa(gatt) >> 12;
- gatt_reg <<= 4;
- pci_write_config_dword(dev, 0x98, gatt_reg);
- pci_read_config_dword(dev, 0x90, &ctl);
-
- ctl |= 1;
- ctl &= ~((1<<4) | (1<<5));
-
- pci_write_config_dword(dev, 0x90, ctl);
- }
+ enable_gart_translations();
error = sysdev_class_register(&gart_sysdev_class);
if (!error)
error = sysdev_register(&device_gart);
if (error)
panic("Could not register gart_sysdev -- would corrupt data on next suspend");
+
flush_gart();
printk(KERN_INFO "PCI-DMA: aperture base @ %x size %u KB\n",
aper_base, aper_size>>10);
+
+ /* need to map that range */
+ end_pfn = (aper_base>>PAGE_SHIFT) + (aper_size>>PAGE_SHIFT);
+ if (end_pfn > max_low_pfn_mapped) {
+ start_pfn = (aper_base>>PAGE_SHIFT);
+ init_memory_mapping(start_pfn<<PAGE_SHIFT, end_pfn<<PAGE_SHIFT);
+ }
return 0;
nommu:
@@ -677,11 +720,11 @@ void gart_iommu_shutdown(void)
u32 ctl;
dev = k8_northbridges[i];
- pci_read_config_dword(dev, 0x90, &ctl);
+ pci_read_config_dword(dev, AMD64_GARTAPERTURECTL, &ctl);
- ctl &= ~1;
+ ctl &= ~GARTEN;
- pci_write_config_dword(dev, 0x90, ctl);
+ pci_write_config_dword(dev, AMD64_GARTAPERTURECTL, ctl);
}
}
@@ -716,10 +759,10 @@ void __init gart_iommu_init(void)
return;
if (no_iommu ||
- (!force_iommu && end_pfn <= MAX_DMA32_PFN) ||
+ (!force_iommu && max_pfn <= MAX_DMA32_PFN) ||
!gart_iommu_aperture ||
(no_agp && init_k8_gatt(&info) < 0)) {
- if (end_pfn > MAX_DMA32_PFN) {
+ if (max_pfn > MAX_DMA32_PFN) {
printk(KERN_WARNING "More than 4GB of memory "
"but GART IOMMU not available.\n"
KERN_WARNING "falling back to iommu=soft.\n");
@@ -788,10 +831,10 @@ void __init gart_iommu_init(void)
wbinvd();
/*
- * Try to workaround a bug (thanks to BenH)
+ * Try to workaround a bug (thanks to BenH):
* Set unmapped entries to a scratch page instead of 0.
* Any prefetches that hit unmapped entries won't get an bus abort
- * then.
+ * then. (P2P bridge may be prefetching on DMA reads).
*/
scratch = get_zeroed_page(GFP_KERNEL);
if (!scratch)
diff --git a/arch/x86/kernel/pci-swiotlb_64.c b/arch/x86/kernel/pci-swiotlb_64.c
index 490da7f4b8d..82299cd1d04 100644
--- a/arch/x86/kernel/pci-swiotlb_64.c
+++ b/arch/x86/kernel/pci-swiotlb_64.c
@@ -38,7 +38,7 @@ const struct dma_mapping_ops swiotlb_dma_ops = {
void __init pci_swiotlb_init(void)
{
/* don't initialize swiotlb if iommu=off (no_iommu=1) */
- if (!iommu_detected && !no_iommu && end_pfn > MAX_DMA32_PFN)
+ if (!iommu_detected && !no_iommu && max_pfn > MAX_DMA32_PFN)
swiotlb = 1;
if (swiotlb_force)
swiotlb = 1;
diff --git a/arch/x86/kernel/probe_roms_32.c b/arch/x86/kernel/probe_roms_32.c
new file mode 100644
index 00000000000..675a48c404a
--- /dev/null
+++ b/arch/x86/kernel/probe_roms_32.c
@@ -0,0 +1,166 @@
+#include <linux/sched.h>
+#include <linux/mm.h>
+#include <linux/uaccess.h>
+#include <linux/mmzone.h>
+#include <linux/ioport.h>
+#include <linux/seq_file.h>
+#include <linux/console.h>
+#include <linux/init.h>
+#include <linux/edd.h>
+#include <linux/dmi.h>
+#include <linux/pfn.h>
+#include <linux/pci.h>
+#include <asm/pci-direct.h>
+
+
+#include <asm/e820.h>
+#include <asm/mmzone.h>
+#include <asm/setup.h>
+#include <asm/sections.h>
+#include <asm/io.h>
+#include <setup_arch.h>
+
+static struct resource system_rom_resource = {
+ .name = "System ROM",
+ .start = 0xf0000,
+ .end = 0xfffff,
+ .flags = IORESOURCE_BUSY | IORESOURCE_READONLY | IORESOURCE_MEM
+};
+
+static struct resource extension_rom_resource = {
+ .name = "Extension ROM",
+ .start = 0xe0000,
+ .end = 0xeffff,
+ .flags = IORESOURCE_BUSY | IORESOURCE_READONLY | IORESOURCE_MEM
+};
+
+static struct resource adapter_rom_resources[] = { {
+ .name = "Adapter ROM",
+ .start = 0xc8000,
+ .end = 0,
+ .flags = IORESOURCE_BUSY | IORESOURCE_READONLY | IORESOURCE_MEM
+}, {
+ .name = "Adapter ROM",
+ .start = 0,
+ .end = 0,
+ .flags = IORESOURCE_BUSY | IORESOURCE_READONLY | IORESOURCE_MEM
+}, {
+ .name = "Adapter ROM",
+ .start = 0,
+ .end = 0,
+ .flags = IORESOURCE_BUSY | IORESOURCE_READONLY | IORESOURCE_MEM
+}, {
+ .name = "Adapter ROM",
+ .start = 0,
+ .end = 0,
+ .flags = IORESOURCE_BUSY | IORESOURCE_READONLY | IORESOURCE_MEM
+}, {
+ .name = "Adapter ROM",
+ .start = 0,
+ .end = 0,
+ .flags = IORESOURCE_BUSY | IORESOURCE_READONLY | IORESOURCE_MEM
+}, {
+ .name = "Adapter ROM",
+ .start = 0,
+ .end = 0,
+ .flags = IORESOURCE_BUSY | IORESOURCE_READONLY | IORESOURCE_MEM
+} };
+
+static struct resource video_rom_resource = {
+ .name = "Video ROM",
+ .start = 0xc0000,
+ .end = 0xc7fff,
+ .flags = IORESOURCE_BUSY | IORESOURCE_READONLY | IORESOURCE_MEM
+};
+
+#define ROMSIGNATURE 0xaa55
+
+static int __init romsignature(const unsigned char *rom)
+{
+ const unsigned short * const ptr = (const unsigned short *)rom;
+ unsigned short sig;
+
+ return probe_kernel_address(ptr, sig) == 0 && sig == ROMSIGNATURE;
+}
+
+static int __init romchecksum(const unsigned char *rom, unsigned long length)
+{
+ unsigned char sum, c;
+
+ for (sum = 0; length && probe_kernel_address(rom++, c) == 0; length--)
+ sum += c;
+ return !length && !sum;
+}
+
+void __init probe_roms(void)
+{
+ const unsigned char *rom;
+ unsigned long start, length, upper;
+ unsigned char c;
+ int i;
+
+ /* video rom */
+ upper = adapter_rom_resources[0].start;
+ for (start = video_rom_resource.start; start < upper; start += 2048) {
+ rom = isa_bus_to_virt(start);
+ if (!romsignature(rom))
+ continue;
+
+ video_rom_resource.start = start;
+
+ if (probe_kernel_address(rom + 2, c) != 0)
+ continue;
+
+ /* 0 < length <= 0x7f * 512, historically */
+ length = c * 512;
+
+ /* if checksum okay, trust length byte */
+ if (length && romchecksum(rom, length))
+ video_rom_resource.end = start + length - 1;
+
+ request_resource(&iomem_resource, &video_rom_resource);
+ break;
+ }
+
+ start = (video_rom_resource.end + 1 + 2047) & ~2047UL;
+ if (start < upper)
+ start = upper;
+
+ /* system rom */
+ request_resource(&iomem_resource, &system_rom_resource);
+ upper = system_rom_resource.start;
+
+ /* check for extension rom (ignore length byte!) */
+ rom = isa_bus_to_virt(extension_rom_resource.start);
+ if (romsignature(rom)) {
+ length = extension_rom_resource.end - extension_rom_resource.start + 1;
+ if (romchecksum(rom, length)) {
+ request_resource(&iomem_resource, &extension_rom_resource);
+ upper = extension_rom_resource.start;
+ }
+ }
+
+ /* check for adapter roms on 2k boundaries */
+ for (i = 0; i < ARRAY_SIZE(adapter_rom_resources) && start < upper; start += 2048) {
+ rom = isa_bus_to_virt(start);
+ if (!romsignature(rom))
+ continue;
+
+ if (probe_kernel_address(rom + 2, c) != 0)
+ continue;
+
+ /* 0 < length <= 0x7f * 512, historically */
+ length = c * 512;
+
+ /* but accept any length that fits if checksum okay */
+ if (!length || start + length > upper || !romchecksum(rom, length))
+ continue;
+
+ adapter_rom_resources[i].start = start;
+ adapter_rom_resources[i].end = start + length - 1;
+ request_resource(&iomem_resource, &adapter_rom_resources[i]);
+
+ start = adapter_rom_resources[i++].end & ~2047UL;
+ }
+}
+
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index ba370dc8685..7dceea94723 100644
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -6,6 +6,7 @@
#include <linux/sched.h>
#include <linux/module.h>
#include <linux/pm.h>
+#include <linux/clockchips.h>
struct kmem_cache *task_xstate_cachep;
@@ -45,6 +46,76 @@ void arch_task_cache_init(void)
SLAB_PANIC, NULL);
}
+/*
+ * Idle related variables and functions
+ */
+unsigned long boot_option_idle_override = 0;
+EXPORT_SYMBOL(boot_option_idle_override);
+
+/*
+ * Powermanagement idle function, if any..
+ */
+void (*pm_idle)(void);
+EXPORT_SYMBOL(pm_idle);
+
+#ifdef CONFIG_X86_32
+/*
+ * This halt magic was a workaround for ancient floppy DMA
+ * wreckage. It should be safe to remove.
+ */
+static int hlt_counter;
+void disable_hlt(void)
+{
+ hlt_counter++;
+}
+EXPORT_SYMBOL(disable_hlt);
+
+void enable_hlt(void)
+{
+ hlt_counter--;
+}
+EXPORT_SYMBOL(enable_hlt);
+
+static inline int hlt_use_halt(void)
+{
+ return (!hlt_counter && boot_cpu_data.hlt_works_ok);
+}
+#else
+static inline int hlt_use_halt(void)
+{
+ return 1;
+}
+#endif
+
+/*
+ * We use this if we don't have any better
+ * idle routine..
+ */
+void default_idle(void)
+{
+ if (hlt_use_halt()) {
+ current_thread_info()->status &= ~TS_POLLING;
+ /*
+ * TS_POLLING-cleared state must be visible before we
+ * test NEED_RESCHED:
+ */
+ smp_mb();
+
+ if (!need_resched())
+ safe_halt(); /* enables interrupts racelessly */
+ else
+ local_irq_enable();
+ current_thread_info()->status |= TS_POLLING;
+ } else {
+ local_irq_enable();
+ /* loop is done by the caller */
+ cpu_relax();
+ }
+}
+#ifdef CONFIG_APM_MODULE
+EXPORT_SYMBOL(default_idle);
+#endif
+
static void do_nothing(void *unused)
{
}
@@ -61,7 +132,7 @@ void cpu_idle_wait(void)
{
smp_mb();
/* kick all the CPUs so that they exit out of pm_idle */
- smp_call_function(do_nothing, NULL, 0, 1);
+ smp_call_function(do_nothing, NULL, 1);
}
EXPORT_SYMBOL_GPL(cpu_idle_wait);
@@ -122,44 +193,129 @@ static void poll_idle(void)
*
* idle=mwait overrides this decision and forces the usage of mwait.
*/
+
+#define MWAIT_INFO 0x05
+#define MWAIT_ECX_EXTENDED_INFO 0x01
+#define MWAIT_EDX_C1 0xf0
+
static int __cpuinit mwait_usable(const struct cpuinfo_x86 *c)
{
+ u32 eax, ebx, ecx, edx;
+
if (force_mwait)
return 1;
- if (c->x86_vendor == X86_VENDOR_AMD) {
- switch(c->x86) {
- case 0x10:
- case 0x11:
- return 0;
- }
- }
+ if (c->cpuid_level < MWAIT_INFO)
+ return 0;
+
+ cpuid(MWAIT_INFO, &eax, &ebx, &ecx, &edx);
+ /* Check, whether EDX has extended info about MWAIT */
+ if (!(ecx & MWAIT_ECX_EXTENDED_INFO))
+ return 1;
+
+ /*
+ * edx enumeratios MONITOR/MWAIT extensions. Check, whether
+ * C1 supports MWAIT
+ */
+ return (edx & MWAIT_EDX_C1);
+}
+
+/*
+ * Check for AMD CPUs, which have potentially C1E support
+ */
+static int __cpuinit check_c1e_idle(const struct cpuinfo_x86 *c)
+{
+ if (c->x86_vendor != X86_VENDOR_AMD)
+ return 0;
+
+ if (c->x86 < 0x0F)
+ return 0;
+
+ /* Family 0x0f models < rev F do not have C1E */
+ if (c->x86 == 0x0f && c->x86_model < 0x40)
+ return 0;
+
return 1;
}
-void __cpuinit select_idle_routine(const struct cpuinfo_x86 *c)
+/*
+ * C1E aware idle routine. We check for C1E active in the interrupt
+ * pending message MSR. If we detect C1E, then we handle it the same
+ * way as C3 power states (local apic timer and TSC stop)
+ */
+static void c1e_idle(void)
{
- static int selected;
+ static cpumask_t c1e_mask = CPU_MASK_NONE;
+ static int c1e_detected;
- if (selected)
+ if (need_resched())
return;
+
+ if (!c1e_detected) {
+ u32 lo, hi;
+
+ rdmsr(MSR_K8_INT_PENDING_MSG, lo, hi);
+ if (lo & K8_INTP_C1E_ACTIVE_MASK) {
+ c1e_detected = 1;
+ mark_tsc_unstable("TSC halt in C1E");
+ printk(KERN_INFO "System has C1E enabled\n");
+ }
+ }
+
+ if (c1e_detected) {
+ int cpu = smp_processor_id();
+
+ if (!cpu_isset(cpu, c1e_mask)) {
+ cpu_set(cpu, c1e_mask);
+ /*
+ * Force broadcast so ACPI can not interfere. Needs
+ * to run with interrupts enabled as it uses
+ * smp_function_call.
+ */
+ local_irq_enable();
+ clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_FORCE,
+ &cpu);
+ printk(KERN_INFO "Switch to broadcast mode on CPU%d\n",
+ cpu);
+ local_irq_disable();
+ }
+ clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_ENTER, &cpu);
+
+ default_idle();
+
+ /*
+ * The switch back from broadcast mode needs to be
+ * called with interrupts disabled.
+ */
+ local_irq_disable();
+ clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_EXIT, &cpu);
+ local_irq_enable();
+ } else
+ default_idle();
+}
+
+void __cpuinit select_idle_routine(const struct cpuinfo_x86 *c)
+{
#ifdef CONFIG_X86_SMP
if (pm_idle == poll_idle && smp_num_siblings > 1) {
printk(KERN_WARNING "WARNING: polling idle and HT enabled,"
" performance may degrade.\n");
}
#endif
+ if (pm_idle)
+ return;
+
if (cpu_has(c, X86_FEATURE_MWAIT) && mwait_usable(c)) {
/*
- * Skip, if setup has overridden idle.
* One CPU supports mwait => All CPUs supports mwait
*/
- if (!pm_idle) {
- printk(KERN_INFO "using mwait in idle threads.\n");
- pm_idle = mwait_idle;
- }
- }
- selected = 1;
+ printk(KERN_INFO "using mwait in idle threads.\n");
+ pm_idle = mwait_idle;
+ } else if (check_c1e_idle(c)) {
+ printk(KERN_INFO "using C1E aware idle routine\n");
+ pm_idle = c1e_idle;
+ } else
+ pm_idle = default_idle;
}
static int __init idle_setup(char *str)
diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c
index e2db9ac5c61..0c3927accb0 100644
--- a/arch/x86/kernel/process_32.c
+++ b/arch/x86/kernel/process_32.c
@@ -58,11 +58,6 @@
asmlinkage void ret_from_fork(void) __asm__("ret_from_fork");
-static int hlt_counter;
-
-unsigned long boot_option_idle_override = 0;
-EXPORT_SYMBOL(boot_option_idle_override);
-
DEFINE_PER_CPU(struct task_struct *, current_task) = &init_task;
EXPORT_PER_CPU_SYMBOL(current_task);
@@ -77,57 +72,24 @@ unsigned long thread_saved_pc(struct task_struct *tsk)
return ((unsigned long *)tsk->thread.sp)[3];
}
-/*
- * Powermanagement idle function, if any..
- */
-void (*pm_idle)(void);
-EXPORT_SYMBOL(pm_idle);
+#ifdef CONFIG_HOTPLUG_CPU
+#include <asm/nmi.h>
-void disable_hlt(void)
+static void cpu_exit_clear(void)
{
- hlt_counter++;
-}
+ int cpu = raw_smp_processor_id();
-EXPORT_SYMBOL(disable_hlt);
+ idle_task_exit();
-void enable_hlt(void)
-{
- hlt_counter--;
-}
+ cpu_uninit();
+ irq_ctx_exit(cpu);
-EXPORT_SYMBOL(enable_hlt);
-
-/*
- * We use this if we don't have any better
- * idle routine..
- */
-void default_idle(void)
-{
- if (!hlt_counter && boot_cpu_data.hlt_works_ok) {
- current_thread_info()->status &= ~TS_POLLING;
- /*
- * TS_POLLING-cleared state must be visible before we
- * test NEED_RESCHED:
- */
- smp_mb();
+ cpu_clear(cpu, cpu_callout_map);
+ cpu_clear(cpu, cpu_callin_map);
- if (!need_resched())
- safe_halt(); /* enables interrupts racelessly */
- else
- local_irq_enable();
- current_thread_info()->status |= TS_POLLING;
- } else {
- local_irq_enable();
- /* loop is done by the caller */
- cpu_relax();
- }
+ numa_remove_cpu(cpu);
}
-#ifdef CONFIG_APM_MODULE
-EXPORT_SYMBOL(default_idle);
-#endif
-#ifdef CONFIG_HOTPLUG_CPU
-#include <asm/nmi.h>
/* We don't actually take CPU down, just spin without interrupts. */
static inline void play_dead(void)
{
@@ -168,24 +130,22 @@ void cpu_idle(void)
while (1) {
tick_nohz_stop_sched_tick();
while (!need_resched()) {
- void (*idle)(void);
check_pgt_cache();
rmb();
- idle = pm_idle;
if (rcu_pending(cpu))
rcu_check_callbacks(cpu, 0);
- if (!idle)
- idle = default_idle;
-
if (cpu_is_offline(cpu))
play_dead();
local_irq_disable();
__get_cpu_var(irq_stat).idle_timestamp = jiffies;
- idle();
+ /* Don't trace irqs off for idle */
+ stop_critical_timings();
+ pm_idle();
+ start_critical_timings();
}
tick_nohz_restart_sched_tick();
preempt_enable_no_resched();
diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
index c6eb5c91e5f..a8e53626ac9 100644
--- a/arch/x86/kernel/process_64.c
+++ b/arch/x86/kernel/process_64.c
@@ -56,15 +56,6 @@ asmlinkage extern void ret_from_fork(void);
unsigned long kernel_thread_flags = CLONE_VM | CLONE_UNTRACED;
-unsigned long boot_option_idle_override = 0;
-EXPORT_SYMBOL(boot_option_idle_override);
-
-/*
- * Powermanagement idle function, if any..
- */
-void (*pm_idle)(void);
-EXPORT_SYMBOL(pm_idle);
-
static ATOMIC_NOTIFIER_HEAD(idle_notifier);
void idle_notifier_register(struct notifier_block *n)
@@ -94,25 +85,6 @@ void exit_idle(void)
__exit_idle();
}
-/*
- * We use this if we don't have any better
- * idle routine..
- */
-void default_idle(void)
-{
- current_thread_info()->status &= ~TS_POLLING;
- /*
- * TS_POLLING-cleared state must be visible before we
- * test NEED_RESCHED:
- */
- smp_mb();
- if (!need_resched())
- safe_halt(); /* enables interrupts racelessly */
- else
- local_irq_enable();
- current_thread_info()->status |= TS_POLLING;
-}
-
#ifdef CONFIG_HOTPLUG_CPU
DECLARE_PER_CPU(int, cpu_state);
@@ -150,12 +122,9 @@ void cpu_idle(void)
while (1) {
tick_nohz_stop_sched_tick();
while (!need_resched()) {
- void (*idle)(void);
rmb();
- idle = pm_idle;
- if (!idle)
- idle = default_idle;
+
if (cpu_is_offline(smp_processor_id()))
play_dead();
/*
@@ -165,7 +134,10 @@ void cpu_idle(void)
*/
local_irq_disable();
enter_idle();
- idle();
+ /* Don't trace irqs off for idle */
+ stop_critical_timings();
+ pm_idle();
+ start_critical_timings();
/* In many cases the interrupt that ended idle
has already called exit_idle. But some idle
loops can be woken up without interrupt. */
@@ -366,10 +338,10 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long sp,
p->thread.fs = me->thread.fs;
p->thread.gs = me->thread.gs;
- asm("mov %%gs,%0" : "=m" (p->thread.gsindex));
- asm("mov %%fs,%0" : "=m" (p->thread.fsindex));
- asm("mov %%es,%0" : "=m" (p->thread.es));
- asm("mov %%ds,%0" : "=m" (p->thread.ds));
+ savesegment(gs, p->thread.gsindex);
+ savesegment(fs, p->thread.fsindex);
+ savesegment(es, p->thread.es);
+ savesegment(ds, p->thread.ds);
if (unlikely(test_tsk_thread_flag(me, TIF_IO_BITMAP))) {
p->thread.io_bitmap_ptr = kmalloc(IO_BITMAP_BYTES, GFP_KERNEL);
@@ -408,7 +380,9 @@ out:
void
start_thread(struct pt_regs *regs, unsigned long new_ip, unsigned long new_sp)
{
- asm volatile("movl %0, %%fs; movl %0, %%es; movl %0, %%ds" :: "r"(0));
+ loadsegment(fs, 0);
+ loadsegment(es, 0);
+ loadsegment(ds, 0);
load_gs_index(0);
regs->ip = new_ip;
regs->sp = new_sp;
@@ -567,6 +541,7 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
*next = &next_p->thread;
int cpu = smp_processor_id();
struct tss_struct *tss = &per_cpu(init_tss, cpu);
+ unsigned fsindex, gsindex;
/* we're going to use this soon, after a few expensive things */
if (next_p->fpu_counter>5)
@@ -581,22 +556,38 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
* Switch DS and ES.
* This won't pick up thread selector changes, but I guess that is ok.
*/
- asm volatile("mov %%es,%0" : "=m" (prev->es));
+ savesegment(es, prev->es);
if (unlikely(next->es | prev->es))
loadsegment(es, next->es);
-
- asm volatile ("mov %%ds,%0" : "=m" (prev->ds));
+
+ savesegment(ds, prev->ds);
if (unlikely(next->ds | prev->ds))
loadsegment(ds, next->ds);
+
+ /* We must save %fs and %gs before load_TLS() because
+ * %fs and %gs may be cleared by load_TLS().
+ *
+ * (e.g. xen_load_tls())
+ */
+ savesegment(fs, fsindex);
+ savesegment(gs, gsindex);
+
load_TLS(next, cpu);
+ /*
+ * Leave lazy mode, flushing any hypercalls made here.
+ * This must be done before restoring TLS segments so
+ * the GDT and LDT are properly updated, and must be
+ * done before math_state_restore, so the TS bit is up
+ * to date.
+ */
+ arch_leave_lazy_cpu_mode();
+
/*
* Switch FS and GS.
*/
{
- unsigned fsindex;
- asm volatile("movl %%fs,%0" : "=r" (fsindex));
/* segment register != 0 always requires a reload.
also reload when it has changed.
when prev process used 64bit base always reload
@@ -614,10 +605,7 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
if (next->fs)
wrmsrl(MSR_FS_BASE, next->fs);
prev->fsindex = fsindex;
- }
- {
- unsigned gsindex;
- asm volatile("movl %%gs,%0" : "=r" (gsindex));
+
if (unlikely(gsindex | next->gsindex | prev->gs)) {
load_gs_index(next->gsindex);
if (gsindex)
@@ -798,7 +786,7 @@ long do_arch_prctl(struct task_struct *task, int code, unsigned long addr)
set_32bit_tls(task, FS_TLS, addr);
if (doit) {
load_TLS(&task->thread, cpu);
- asm volatile("movl %0,%%fs" :: "r"(FS_TLS_SEL));
+ loadsegment(fs, FS_TLS_SEL);
}
task->thread.fsindex = FS_TLS_SEL;
task->thread.fs = 0;
@@ -808,7 +796,7 @@ long do_arch_prctl(struct task_struct *task, int code, unsigned long addr)
if (doit) {
/* set the selector to 0 to not confuse
__switch_to */
- asm volatile("movl %0,%%fs" :: "r" (0));
+ loadsegment(fs, 0);
ret = checking_wrmsrl(MSR_FS_BASE, addr);
}
}
@@ -831,7 +819,7 @@ long do_arch_prctl(struct task_struct *task, int code, unsigned long addr)
if (task->thread.gsindex == GS_TLS_SEL)
base = read_32bit_tls(task, GS_TLS);
else if (doit) {
- asm("movl %%gs,%0" : "=r" (gsindex));
+ savesegment(gs, gsindex);
if (gsindex)
rdmsrl(MSR_KERNEL_GS_BASE, base);
else
diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c
index a7835f28293..77040b6070e 100644
--- a/arch/x86/kernel/ptrace.c
+++ b/arch/x86/kernel/ptrace.c
@@ -943,13 +943,13 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
return copy_regset_to_user(child, &user_x86_32_view,
REGSET_XFP,
0, sizeof(struct user_fxsr_struct),
- datap);
+ datap) ? -EIO : 0;
case PTRACE_SETFPXREGS: /* Set the child extended FPU state. */
return copy_regset_from_user(child, &user_x86_32_view,
REGSET_XFP,
0, sizeof(struct user_fxsr_struct),
- datap);
+ datap) ? -EIO : 0;
#endif
#if defined CONFIG_X86_32 || defined CONFIG_IA32_EMULATION
diff --git a/arch/x86/kernel/quirks.c b/arch/x86/kernel/quirks.c
index d89a648fe71..d1385881810 100644
--- a/arch/x86/kernel/quirks.c
+++ b/arch/x86/kernel/quirks.c
@@ -65,6 +65,7 @@ static enum {
ICH_FORCE_HPET_RESUME,
VT8237_FORCE_HPET_RESUME,
NVIDIA_FORCE_HPET_RESUME,
+ ATI_FORCE_HPET_RESUME,
} force_hpet_resume_type;
static void __iomem *rcba_base;
@@ -158,6 +159,8 @@ static void ich_force_enable_hpet(struct pci_dev *dev)
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ESB2_0,
ich_force_enable_hpet);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH6_0,
+ ich_force_enable_hpet);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH6_1,
ich_force_enable_hpet);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH7_0,
@@ -174,6 +177,12 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH9_7,
static struct pci_dev *cached_dev;
+static void hpet_print_force_info(void)
+{
+ printk(KERN_INFO "HPET not enabled in BIOS. "
+ "You might try hpet=force boot option\n");
+}
+
static void old_ich_force_hpet_resume(void)
{
u32 val;
@@ -253,8 +262,12 @@ static void old_ich_force_enable_hpet_user(struct pci_dev *dev)
{
if (hpet_force_user)
old_ich_force_enable_hpet(dev);
+ else
+ hpet_print_force_info();
}
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ESB_1,
+ old_ich_force_enable_hpet_user);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801CA_0,
old_ich_force_enable_hpet_user);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801CA_12,
@@ -290,9 +303,14 @@ static void vt8237_force_enable_hpet(struct pci_dev *dev)
{
u32 uninitialized_var(val);
- if (!hpet_force_user || hpet_address || force_hpet_address)
+ if (hpet_address || force_hpet_address)
return;
+ if (!hpet_force_user) {
+ hpet_print_force_info();
+ return;
+ }
+
pci_read_config_dword(dev, 0x68, &val);
/*
* Bit 7 is HPET enable bit.
@@ -330,6 +348,36 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8235,
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8237,
vt8237_force_enable_hpet);
+static void ati_force_hpet_resume(void)
+{
+ pci_write_config_dword(cached_dev, 0x14, 0xfed00000);
+ printk(KERN_DEBUG "Force enabled HPET at resume\n");
+}
+
+static void ati_force_enable_hpet(struct pci_dev *dev)
+{
+ u32 uninitialized_var(val);
+
+ if (hpet_address || force_hpet_address)
+ return;
+
+ if (!hpet_force_user) {
+ hpet_print_force_info();
+ return;
+ }
+
+ pci_write_config_dword(dev, 0x14, 0xfed00000);
+ pci_read_config_dword(dev, 0x14, &val);
+ force_hpet_address = val;
+ force_hpet_resume_type = ATI_FORCE_HPET_RESUME;
+ dev_printk(KERN_DEBUG, &dev->dev, "Force enabled HPET at 0x%lx\n",
+ force_hpet_address);
+ cached_dev = dev;
+ return;
+}
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP400_SMBUS,
+ ati_force_enable_hpet);
+
/*
* Undocumented chipset feature taken from LinuxBIOS.
*/
@@ -343,8 +391,13 @@ static void nvidia_force_enable_hpet(struct pci_dev *dev)
{
u32 uninitialized_var(val);
- if (!hpet_force_user || hpet_address || force_hpet_address)
+ if (hpet_address || force_hpet_address)
+ return;
+
+ if (!hpet_force_user) {
+ hpet_print_force_info();
return;
+ }
pci_write_config_dword(dev, 0x44, 0xfed00001);
pci_read_config_dword(dev, 0x44, &val);
@@ -397,6 +450,9 @@ void force_hpet_resume(void)
case NVIDIA_FORCE_HPET_RESUME:
nvidia_force_hpet_resume();
return;
+ case ATI_FORCE_HPET_RESUME:
+ ati_force_hpet_resume();
+ return;
default:
break;
}
diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
index f6be7d5f82f..f8a62160e15 100644
--- a/arch/x86/kernel/reboot.c
+++ b/arch/x86/kernel/reboot.c
@@ -27,7 +27,7 @@
void (*pm_power_off)(void);
EXPORT_SYMBOL(pm_power_off);
-static long no_idt[3];
+static const struct desc_ptr no_idt = {};
static int reboot_mode;
enum reboot_type reboot_type = BOOT_KBD;
int reboot_force;
@@ -201,15 +201,15 @@ core_initcall(reboot_init);
controller to pulse the CPU reset line, which is more thorough, but
doesn't work with at least one type of 486 motherboard. It is easy
to stop this code working; hence the copious comments. */
-static unsigned long long
+static const unsigned long long
real_mode_gdt_entries [3] =
{
0x0000000000000000ULL, /* Null descriptor */
- 0x00009a000000ffffULL, /* 16-bit real-mode 64k code at 0x00000000 */
- 0x000092000100ffffULL /* 16-bit real-mode 64k data at 0x00000100 */
+ 0x00009b000000ffffULL, /* 16-bit real-mode 64k code at 0x00000000 */
+ 0x000093000100ffffULL /* 16-bit real-mode 64k data at 0x00000100 */
};
-static struct desc_ptr
+static const struct desc_ptr
real_mode_gdt = { sizeof (real_mode_gdt_entries) - 1, (long)real_mode_gdt_entries },
real_mode_idt = { 0x3ff, 0 };
@@ -231,7 +231,7 @@ real_mode_idt = { 0x3ff, 0 };
More could be done here to set up the registers as if a CPU reset had
occurred; hopefully real BIOSs don't assume much. */
-static unsigned char real_mode_switch [] =
+static const unsigned char real_mode_switch [] =
{
0x66, 0x0f, 0x20, 0xc0, /* movl %cr0,%eax */
0x66, 0x83, 0xe0, 0x11, /* andl $0x00000011,%eax */
@@ -245,7 +245,7 @@ static unsigned char real_mode_switch [] =
0x24, 0x10, /* f: andb $0x10,al */
0x66, 0x0f, 0x22, 0xc0 /* movl %eax,%cr0 */
};
-static unsigned char jump_to_bios [] =
+static const unsigned char jump_to_bios [] =
{
0xea, 0x00, 0x00, 0xff, 0xff /* ljmp $0xffff,$0x0000 */
};
@@ -255,7 +255,7 @@ static unsigned char jump_to_bios [] =
* specified by the code and length parameters.
* We assume that length will aways be less that 100!
*/
-void machine_real_restart(unsigned char *code, int length)
+void machine_real_restart(const unsigned char *code, int length)
{
local_irq_disable();
@@ -368,7 +368,7 @@ static void native_machine_emergency_restart(void)
}
case BOOT_TRIPLE:
- load_idt((const struct desc_ptr *)&no_idt);
+ load_idt(&no_idt);
__asm__ __volatile__("int3");
reboot_type = BOOT_KBD;
diff --git a/arch/x86/kernel/reboot_fixups_32.c b/arch/x86/kernel/reboot_fixups_32.c
index dec0b5ec25c..61a837743fe 100644
--- a/arch/x86/kernel/reboot_fixups_32.c
+++ b/arch/x86/kernel/reboot_fixups_32.c
@@ -49,7 +49,7 @@ struct device_fixup {
void (*reboot_fixup)(struct pci_dev *);
};
-static struct device_fixup fixups_table[] = {
+static const struct device_fixup fixups_table[] = {
{ PCI_VENDOR_ID_CYRIX, PCI_DEVICE_ID_CYRIX_5530_LEGACY, cs5530a_warm_reset },
{ PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CS5536_ISA, cs5536_warm_reset },
{ PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_SC1100_BRIDGE, cs5530a_warm_reset },
@@ -64,7 +64,7 @@ static struct device_fixup fixups_table[] = {
*/
void mach_reboot_fixups(void)
{
- struct device_fixup *cur;
+ const struct device_fixup *cur;
struct pci_dev *dev;
int i;
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 6f80b852a19..36c540d4ac4 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -1,139 +1,889 @@
-#include <linux/kernel.h>
+/*
+ * Copyright (C) 1995 Linus Torvalds
+ *
+ * Support of BIGMEM added by Gerhard Wichert, Siemens AG, July 1999
+ *
+ * Memory region support
+ * David Parsons <orc@pell.chi.il.us>, July-August 1999
+ *
+ * Added E820 sanitization routine (removes overlapping memory regions);
+ * Brian Moyle <bmoyle@mvista.com>, February 2001
+ *
+ * Moved CPU detection code to cpu/${cpu}.c
+ * Patrick Mochel <mochel@osdl.org>, March 2002
+ *
+ * Provisions for empty E820 memory regions (reported by certain BIOSes).
+ * Alex Achenbach <xela@slit.de>, December 2002.
+ *
+ */
+
+/*
+ * This file handles the architecture-dependent parts of initialization
+ */
+
+#include <linux/sched.h>
+#include <linux/mm.h>
+#include <linux/mmzone.h>
+#include <linux/screen_info.h>
+#include <linux/ioport.h>
+#include <linux/acpi.h>
+#include <linux/apm_bios.h>
+#include <linux/initrd.h>
+#include <linux/bootmem.h>
+#include <linux/seq_file.h>
+#include <linux/console.h>
+#include <linux/mca.h>
+#include <linux/root_dev.h>
+#include <linux/highmem.h>
#include <linux/module.h>
+#include <linux/efi.h>
#include <linux/init.h>
-#include <linux/bootmem.h>
+#include <linux/edd.h>
+#include <linux/iscsi_ibft.h>
+#include <linux/nodemask.h>
+#include <linux/kexec.h>
+#include <linux/dmi.h>
+#include <linux/pfn.h>
+#include <linux/pci.h>
+#include <asm/pci-direct.h>
+#include <linux/init_ohci1394_dma.h>
+#include <linux/kvm_para.h>
+
+#include <linux/errno.h>
+#include <linux/kernel.h>
+#include <linux/stddef.h>
+#include <linux/unistd.h>
+#include <linux/ptrace.h>
+#include <linux/slab.h>
+#include <linux/user.h>
+#include <linux/delay.h>
+#include <linux/highmem.h>
+
+#include <linux/kallsyms.h>
+#include <linux/edd.h>
+#include <linux/iscsi_ibft.h>
+#include <linux/kexec.h>
+#include <linux/cpufreq.h>
+#include <linux/dma-mapping.h>
+#include <linux/ctype.h>
+#include <linux/uaccess.h>
+
#include <linux/percpu.h>
+#include <linux/crash_dump.h>
+
+#include <video/edid.h>
+
+#include <asm/mtrr.h>
+#include <asm/apic.h>
+#include <asm/e820.h>
+#include <asm/mpspec.h>
+#include <asm/setup.h>
+#include <asm/arch_hooks.h>
+#include <asm/efi.h>
+#include <asm/sections.h>
+#include <asm/dmi.h>
+#include <asm/io_apic.h>
+#include <asm/ist.h>
+#include <asm/vmi.h>
+#include <setup_arch.h>
+#include <asm/bios_ebda.h>
+#include <asm/cacheflush.h>
+#include <asm/processor.h>
+#include <asm/bugs.h>
+
+#include <asm/system.h>
+#include <asm/vsyscall.h>
#include <asm/smp.h>
+#include <asm/desc.h>
+#include <asm/dma.h>
+#include <asm/gart.h>
+#include <asm/mmu_context.h>
+#include <asm/proto.h>
+
+#include <mach_apic.h>
+#include <asm/paravirt.h>
+
#include <asm/percpu.h>
#include <asm/sections.h>
-#include <asm/processor.h>
-#include <asm/setup.h>
#include <asm/topology.h>
-#include <asm/mpspec.h>
#include <asm/apicdef.h>
+#ifdef CONFIG_X86_64
+#include <asm/numa_64.h>
+#endif
-#ifdef CONFIG_X86_LOCAL_APIC
-unsigned int num_processors;
-unsigned disabled_cpus __cpuinitdata;
-/* Processor that is doing the boot up */
-unsigned int boot_cpu_physical_apicid = -1U;
-EXPORT_SYMBOL(boot_cpu_physical_apicid);
+#ifndef ARCH_SETUP
+#define ARCH_SETUP
+#endif
+
+#ifndef CONFIG_DEBUG_BOOT_PARAMS
+struct boot_params __initdata boot_params;
+#else
+struct boot_params boot_params;
+#endif
+
+/*
+ * Machine setup..
+ */
+static struct resource data_resource = {
+ .name = "Kernel data",
+ .start = 0,
+ .end = 0,
+ .flags = IORESOURCE_BUSY | IORESOURCE_MEM
+};
+
+static struct resource code_resource = {
+ .name = "Kernel code",
+ .start = 0,
+ .end = 0,
+ .flags = IORESOURCE_BUSY | IORESOURCE_MEM
+};
+
+static struct resource bss_resource = {
+ .name = "Kernel bss",
+ .start = 0,
+ .end = 0,
+ .flags = IORESOURCE_BUSY | IORESOURCE_MEM
+};
+
+
+#ifdef CONFIG_X86_32
+/* This value is set up by the early boot code to point to the value
+ immediately after the boot time page tables. It contains a *physical*
+ address, and must not be in the .bss segment! */
+unsigned long init_pg_tables_start __initdata = ~0UL;
+unsigned long init_pg_tables_end __initdata = ~0UL;
+
+static struct resource video_ram_resource = {
+ .name = "Video RAM area",
+ .start = 0xa0000,
+ .end = 0xbffff,
+ .flags = IORESOURCE_BUSY | IORESOURCE_MEM
+};
+
+/* cpu data as detected by the assembly code in head.S */
+struct cpuinfo_x86 new_cpu_data __cpuinitdata = {0, 0, 0, 0, -1, 1, 0, 0, -1};
+/* common cpu data for all cpus */
+struct cpuinfo_x86 boot_cpu_data __read_mostly = {0, 0, 0, 0, -1, 1, 0, 0, -1};
+EXPORT_SYMBOL(boot_cpu_data);
+static void set_mca_bus(int x)
+{
+#ifdef CONFIG_MCA
+ MCA_bus = x;
+#endif
+}
+
+unsigned int def_to_bigsmp;
+
+/* for MCA, but anyone else can use it if they want */
+unsigned int machine_id;
+unsigned int machine_submodel_id;
+unsigned int BIOS_revision;
+
+struct apm_info apm_info;
+EXPORT_SYMBOL(apm_info);
+
+#if defined(CONFIG_X86_SPEEDSTEP_SMI) || \
+ defined(CONFIG_X86_SPEEDSTEP_SMI_MODULE)
+struct ist_info ist_info;
+EXPORT_SYMBOL(ist_info);
+#else
+struct ist_info ist_info;
+#endif
+
+#else
+struct cpuinfo_x86 boot_cpu_data __read_mostly;
+EXPORT_SYMBOL(boot_cpu_data);
+#endif
-DEFINE_PER_CPU(u16, x86_cpu_to_apicid) = BAD_APICID;
-EXPORT_PER_CPU_SYMBOL(x86_cpu_to_apicid);
-/* Bitmask of physically existing CPUs */
-physid_mask_t phys_cpu_present_map;
+#if !defined(CONFIG_X86_PAE) || defined(CONFIG_X86_64)
+unsigned long mmu_cr4_features;
+#else
+unsigned long mmu_cr4_features = X86_CR4_PAE;
#endif
-#if defined(CONFIG_HAVE_SETUP_PER_CPU_AREA) && defined(CONFIG_X86_SMP)
+/* Boot loader ID as an integer, for the benefit of proc_dointvec */
+int bootloader_type;
+
/*
- * Copy data used in early init routines from the initial arrays to the
- * per cpu data areas. These arrays then become expendable and the
- * *_early_ptr's are zeroed indicating that the static arrays are gone.
+ * Early DMI memory
*/
-static void __init setup_per_cpu_maps(void)
+int dmi_alloc_index;
+char dmi_alloc_data[DMI_MAX_DATA];
+
+/*
+ * Setup options
+ */
+struct screen_info screen_info;
+EXPORT_SYMBOL(screen_info);
+struct edid_info edid_info;
+EXPORT_SYMBOL_GPL(edid_info);
+
+extern int root_mountflags;
+
+unsigned long saved_video_mode;
+
+#define RAMDISK_IMAGE_START_MASK 0x07FF
+#define RAMDISK_PROMPT_FLAG 0x8000
+#define RAMDISK_LOAD_FLAG 0x4000
+
+static char __initdata command_line[COMMAND_LINE_SIZE];
+
+#if defined(CONFIG_EDD) || defined(CONFIG_EDD_MODULE)
+struct edd edd;
+#ifdef CONFIG_EDD_MODULE
+EXPORT_SYMBOL(edd);
+#endif
+/**
+ * copy_edd() - Copy the BIOS EDD information
+ * from boot_params into a safe place.
+ *
+ */
+static inline void copy_edd(void)
+{
+ memcpy(edd.mbr_signature, boot_params.edd_mbr_sig_buffer,
+ sizeof(edd.mbr_signature));
+ memcpy(edd.edd_info, boot_params.eddbuf, sizeof(edd.edd_info));
+ edd.mbr_signature_nr = boot_params.edd_mbr_sig_buf_entries;
+ edd.edd_info_nr = boot_params.eddbuf_entries;
+}
+#else
+static inline void copy_edd(void)
+{
+}
+#endif
+
+#ifdef CONFIG_BLK_DEV_INITRD
+
+#ifdef CONFIG_X86_32
+
+#define MAX_MAP_CHUNK (NR_FIX_BTMAPS << PAGE_SHIFT)
+static void __init relocate_initrd(void)
{
- int cpu;
- for_each_possible_cpu(cpu) {
- per_cpu(x86_cpu_to_apicid, cpu) = x86_cpu_to_apicid_init[cpu];
- per_cpu(x86_bios_cpu_apicid, cpu) =
- x86_bios_cpu_apicid_init[cpu];
-#ifdef CONFIG_NUMA
- per_cpu(x86_cpu_to_node_map, cpu) =
- x86_cpu_to_node_map_init[cpu];
+ u64 ramdisk_image = boot_params.hdr.ramdisk_image;
+ u64 ramdisk_size = boot_params.hdr.ramdisk_size;
+ u64 end_of_lowmem = max_low_pfn << PAGE_SHIFT;
+ u64 ramdisk_here;
+ unsigned long slop, clen, mapaddr;
+ char *p, *q;
+
+ /* We need to move the initrd down into lowmem */
+ ramdisk_here = find_e820_area(0, end_of_lowmem, ramdisk_size,
+ PAGE_SIZE);
+
+ if (ramdisk_here == -1ULL)
+ panic("Cannot find place for new RAMDISK of size %lld\n",
+ ramdisk_size);
+
+ /* Note: this includes all the lowmem currently occupied by
+ the initrd, we rely on that fact to keep the data intact. */
+ reserve_early(ramdisk_here, ramdisk_here + ramdisk_size,
+ "NEW RAMDISK");
+ initrd_start = ramdisk_here + PAGE_OFFSET;
+ initrd_end = initrd_start + ramdisk_size;
+ printk(KERN_INFO "Allocated new RAMDISK: %08llx - %08llx\n",
+ ramdisk_here, ramdisk_here + ramdisk_size);
+
+ q = (char *)initrd_start;
+
+ /* Copy any lowmem portion of the initrd */
+ if (ramdisk_image < end_of_lowmem) {
+ clen = end_of_lowmem - ramdisk_image;
+ p = (char *)__va(ramdisk_image);
+ memcpy(q, p, clen);
+ q += clen;
+ ramdisk_image += clen;
+ ramdisk_size -= clen;
+ }
+
+ /* Copy the highmem portion of the initrd */
+ while (ramdisk_size) {
+ slop = ramdisk_image & ~PAGE_MASK;
+ clen = ramdisk_size;
+ if (clen > MAX_MAP_CHUNK-slop)
+ clen = MAX_MAP_CHUNK-slop;
+ mapaddr = ramdisk_image & PAGE_MASK;
+ p = early_ioremap(mapaddr, clen+slop);
+ memcpy(q, p+slop, clen);
+ early_iounmap(p, clen+slop);
+ q += clen;
+ ramdisk_image += clen;
+ ramdisk_size -= clen;
+ }
+ /* high pages is not converted by early_res_to_bootmem */
+ ramdisk_image = boot_params.hdr.ramdisk_image;
+ ramdisk_size = boot_params.hdr.ramdisk_size;
+ printk(KERN_INFO "Move RAMDISK from %016llx - %016llx to"
+ " %08llx - %08llx\n",
+ ramdisk_image, ramdisk_image + ramdisk_size - 1,
+ ramdisk_here, ramdisk_here + ramdisk_size - 1);
+}
#endif
+
+static void __init reserve_initrd(void)
+{
+ u64 ramdisk_image = boot_params.hdr.ramdisk_image;
+ u64 ramdisk_size = boot_params.hdr.ramdisk_size;
+ u64 ramdisk_end = ramdisk_image + ramdisk_size;
+ u64 end_of_lowmem = max_low_pfn << PAGE_SHIFT;
+
+ if (!boot_params.hdr.type_of_loader ||
+ !ramdisk_image || !ramdisk_size)
+ return; /* No initrd provided by bootloader */
+
+ initrd_start = 0;
+
+ if (ramdisk_size >= (end_of_lowmem>>1)) {
+ free_early(ramdisk_image, ramdisk_end);
+ printk(KERN_ERR "initrd too large to handle, "
+ "disabling initrd\n");
+ return;
+ }
+
+ printk(KERN_INFO "RAMDISK: %08llx - %08llx\n", ramdisk_image,
+ ramdisk_end);
+
+
+ if (ramdisk_end <= end_of_lowmem) {
+ /* All in lowmem, easy case */
+ /*
+ * don't need to reserve again, already reserved early
+ * in i386_start_kernel
+ */
+ initrd_start = ramdisk_image + PAGE_OFFSET;
+ initrd_end = initrd_start + ramdisk_size;
+ return;
}
- /* indicate the early static arrays will soon be gone */
- x86_cpu_to_apicid_early_ptr = NULL;
- x86_bios_cpu_apicid_early_ptr = NULL;
-#ifdef CONFIG_NUMA
- x86_cpu_to_node_map_early_ptr = NULL;
+#ifdef CONFIG_X86_32
+ relocate_initrd();
+#else
+ printk(KERN_ERR "initrd extends beyond end of memory "
+ "(0x%08llx > 0x%08llx)\ndisabling initrd\n",
+ ramdisk_end, end_of_lowmem);
+ initrd_start = 0;
#endif
+ free_early(ramdisk_image, ramdisk_end);
}
+#else
+static void __init reserve_initrd(void)
+{
+}
+#endif /* CONFIG_BLK_DEV_INITRD */
+
+static void __init parse_setup_data(void)
+{
+ struct setup_data *data;
+ u64 pa_data;
+
+ if (boot_params.hdr.version < 0x0209)
+ return;
+ pa_data = boot_params.hdr.setup_data;
+ while (pa_data) {
+ data = early_ioremap(pa_data, PAGE_SIZE);
+ switch (data->type) {
+ case SETUP_E820_EXT:
+ parse_e820_ext(data, pa_data);
+ break;
+ default:
+ break;
+ }
+ pa_data = data->next;
+ early_iounmap(data, PAGE_SIZE);
+ }
+}
+
+static void __init e820_reserve_setup_data(void)
+{
+ struct setup_data *data;
+ u64 pa_data;
+ int found = 0;
+
+ if (boot_params.hdr.version < 0x0209)
+ return;
+ pa_data = boot_params.hdr.setup_data;
+ while (pa_data) {
+ data = early_ioremap(pa_data, sizeof(*data));
+ e820_update_range(pa_data, sizeof(*data)+data->len,
+ E820_RAM, E820_RESERVED_KERN);
+ found = 1;
+ pa_data = data->next;
+ early_iounmap(data, sizeof(*data));
+ }
+ if (!found)
+ return;
-#ifdef CONFIG_HAVE_CPUMASK_OF_CPU_MAP
-cpumask_t *cpumask_of_cpu_map __read_mostly;
-EXPORT_SYMBOL(cpumask_of_cpu_map);
+ sanitize_e820_map(e820.map, ARRAY_SIZE(e820.map), &e820.nr_map);
+ memcpy(&e820_saved, &e820, sizeof(struct e820map));
+ printk(KERN_INFO "extended physical RAM map:\n");
+ e820_print_map("reserve setup_data");
+}
-/* requires nr_cpu_ids to be initialized */
-static void __init setup_cpumask_of_cpu(void)
+static void __init reserve_early_setup_data(void)
{
- int i;
+ struct setup_data *data;
+ u64 pa_data;
+ char buf[32];
+
+ if (boot_params.hdr.version < 0x0209)
+ return;
+ pa_data = boot_params.hdr.setup_data;
+ while (pa_data) {
+ data = early_ioremap(pa_data, sizeof(*data));
+ sprintf(buf, "setup data %x", data->type);
+ reserve_early(pa_data, pa_data+sizeof(*data)+data->len, buf);
+ pa_data = data->next;
+ early_iounmap(data, sizeof(*data));
+ }
+}
+
+/*
+ * --------- Crashkernel reservation ------------------------------
+ */
+
+#ifdef CONFIG_KEXEC
+
+/**
+ * Reserve @size bytes of crashkernel memory at any suitable offset.
+ *
+ * @size: Size of the crashkernel memory to reserve.
+ * Returns the base address on success, and -1ULL on failure.
+ */
+unsigned long long find_and_reserve_crashkernel(unsigned long long size)
+{
+ const unsigned long long alignment = 16<<20; /* 16M */
+ unsigned long long start = 0LL;
+
+ while (1) {
+ int ret;
+
+ start = find_e820_area(start, ULONG_MAX, size, alignment);
+ if (start == -1ULL)
+ return start;
+
+ /* try to reserve it */
+ ret = reserve_bootmem_generic(start, size, BOOTMEM_EXCLUSIVE);
+ if (ret >= 0)
+ return start;
+
+ start += alignment;
+ }
+}
- /* alloc_bootmem zeroes memory */
- cpumask_of_cpu_map = alloc_bootmem_low(sizeof(cpumask_t) * nr_cpu_ids);
- for (i = 0; i < nr_cpu_ids; i++)
- cpu_set(i, cpumask_of_cpu_map[i]);
+static inline unsigned long long get_total_mem(void)
+{
+ unsigned long long total;
+
+ total = max_low_pfn - min_low_pfn;
+#ifdef CONFIG_HIGHMEM
+ total += highend_pfn - highstart_pfn;
+#endif
+
+ return total << PAGE_SHIFT;
+}
+
+static void __init reserve_crashkernel(void)
+{
+ unsigned long long total_mem;
+ unsigned long long crash_size, crash_base;
+ int ret;
+
+ total_mem = get_total_mem();
+
+ ret = parse_crashkernel(boot_command_line, total_mem,
+ &crash_size, &crash_base);
+ if (ret != 0 || crash_size <= 0)
+ return;
+
+ /* 0 means: find the address automatically */
+ if (crash_base <= 0) {
+ crash_base = find_and_reserve_crashkernel(crash_size);
+ if (crash_base == -1ULL) {
+ pr_info("crashkernel reservation failed. "
+ "No suitable area found.\n");
+ return;
+ }
+ } else {
+ ret = reserve_bootmem_generic(crash_base, crash_size,
+ BOOTMEM_EXCLUSIVE);
+ if (ret < 0) {
+ pr_info("crashkernel reservation failed - "
+ "memory is in use\n");
+ return;
+ }
+ }
+
+ printk(KERN_INFO "Reserving %ldMB of memory at %ldMB "
+ "for crashkernel (System RAM: %ldMB)\n",
+ (unsigned long)(crash_size >> 20),
+ (unsigned long)(crash_base >> 20),
+ (unsigned long)(total_mem >> 20));
+
+ crashk_res.start = crash_base;
+ crashk_res.end = crash_base + crash_size - 1;
+ insert_resource(&iomem_resource, &crashk_res);
}
#else
-static inline void setup_cpumask_of_cpu(void) { }
+static void __init reserve_crashkernel(void)
+{
+}
#endif
-#ifdef CONFIG_X86_32
-/*
- * Great future not-so-futuristic plan: make i386 and x86_64 do it
- * the same way
+static struct resource standard_io_resources[] = {
+ { .name = "dma1", .start = 0x00, .end = 0x1f,
+ .flags = IORESOURCE_BUSY | IORESOURCE_IO },
+ { .name = "pic1", .start = 0x20, .end = 0x21,
+ .flags = IORESOURCE_BUSY | IORESOURCE_IO },
+ { .name = "timer0", .start = 0x40, .end = 0x43,
+ .flags = IORESOURCE_BUSY | IORESOURCE_IO },
+ { .name = "timer1", .start = 0x50, .end = 0x53,
+ .flags = IORESOURCE_BUSY | IORESOURCE_IO },
+ { .name = "keyboard", .start = 0x60, .end = 0x60,
+ .flags = IORESOURCE_BUSY | IORESOURCE_IO },
+ { .name = "keyboard", .start = 0x64, .end = 0x64,
+ .flags = IORESOURCE_BUSY | IORESOURCE_IO },
+ { .name = "dma page reg", .start = 0x80, .end = 0x8f,
+ .flags = IORESOURCE_BUSY | IORESOURCE_IO },
+ { .name = "pic2", .start = 0xa0, .end = 0xa1,
+ .flags = IORESOURCE_BUSY | IORESOURCE_IO },
+ { .name = "dma2", .start = 0xc0, .end = 0xdf,
+ .flags = IORESOURCE_BUSY | IORESOURCE_IO },
+ { .name = "fpu", .start = 0xf0, .end = 0xff,
+ .flags = IORESOURCE_BUSY | IORESOURCE_IO }
+};
+
+static void __init reserve_standard_io_resources(void)
+{
+ int i;
+
+ /* request I/O space for devices used on all i[345]86 PCs */
+ for (i = 0; i < ARRAY_SIZE(standard_io_resources); i++)
+ request_resource(&ioport_resource, &standard_io_resources[i]);
+
+}
+
+#ifdef CONFIG_PROC_VMCORE
+/* elfcorehdr= specifies the location of elf core header
+ * stored by the crashed kernel. This option will be passed
+ * by kexec loader to the capture kernel.
*/
-unsigned long __per_cpu_offset[NR_CPUS] __read_mostly;
-EXPORT_SYMBOL(__per_cpu_offset);
+static int __init setup_elfcorehdr(char *arg)
+{
+ char *end;
+ if (!arg)
+ return -EINVAL;
+ elfcorehdr_addr = memparse(arg, &end);
+ return end > arg ? 0 : -EINVAL;
+}
+early_param("elfcorehdr", setup_elfcorehdr);
#endif
/*
- * Great future plan:
- * Declare PDA itself and support (irqstack,tss,pgd) as per cpu data.
- * Always point %gs to its beginning
+ * Determine if we were loaded by an EFI loader. If so, then we have also been
+ * passed the efi memmap, systab, etc., so we should use these data structures
+ * for initialization. Note, the efi init code path is determined by the
+ * global efi_enabled. This allows the same kernel image to be used on existing
+ * systems (with a traditional BIOS) as well as on EFI systems.
*/
-void __init setup_per_cpu_areas(void)
+/*
+ * setup_arch - architecture-specific boot-time initializations
+ *
+ * Note: On x86_64, fixmaps are ready for use even before this is called.
+ */
+
+void __init setup_arch(char **cmdline_p)
{
- int i, highest_cpu = 0;
- unsigned long size;
+#ifdef CONFIG_X86_32
+ memcpy(&boot_cpu_data, &new_cpu_data, sizeof(new_cpu_data));
+ visws_early_detect();
+ pre_setup_arch_hook();
+ early_cpu_init();
+#else
+ printk(KERN_INFO "Command line: %s\n", boot_command_line);
+#endif
-#ifdef CONFIG_HOTPLUG_CPU
- prefill_possible_map();
+ early_ioremap_init();
+
+ ROOT_DEV = old_decode_dev(boot_params.hdr.root_dev);
+ screen_info = boot_params.screen_info;
+ edid_info = boot_params.edid_info;
+#ifdef CONFIG_X86_32
+ apm_info.bios = boot_params.apm_bios_info;
+ ist_info = boot_params.ist_info;
+ if (boot_params.sys_desc_table.length != 0) {
+ set_mca_bus(boot_params.sys_desc_table.table[3] & 0x2);
+ machine_id = boot_params.sys_desc_table.table[0];
+ machine_submodel_id = boot_params.sys_desc_table.table[1];
+ BIOS_revision = boot_params.sys_desc_table.table[2];
+ }
+#endif
+ saved_video_mode = boot_params.hdr.vid_mode;
+ bootloader_type = boot_params.hdr.type_of_loader;
+
+#ifdef CONFIG_BLK_DEV_RAM
+ rd_image_start = boot_params.hdr.ram_size & RAMDISK_IMAGE_START_MASK;
+ rd_prompt = ((boot_params.hdr.ram_size & RAMDISK_PROMPT_FLAG) != 0);
+ rd_doload = ((boot_params.hdr.ram_size & RAMDISK_LOAD_FLAG) != 0);
#endif
+#ifdef CONFIG_EFI
+ if (!strncmp((char *)&boot_params.efi_info.efi_loader_signature,
+#ifdef CONFIG_X86_32
+ "EL32",
+#else
+ "EL64",
+#endif
+ 4)) {
+ efi_enabled = 1;
+ efi_reserve_early();
+ }
+#endif
+
+ ARCH_SETUP
- /* Copy section for each CPU (we discard the original) */
- size = PERCPU_ENOUGH_ROOM;
- printk(KERN_INFO "PERCPU: Allocating %lu bytes of per cpu data\n",
- size);
+ setup_memory_map();
+ parse_setup_data();
+ /* update the e820_saved too */
+ e820_reserve_setup_data();
- for_each_possible_cpu(i) {
- char *ptr;
-#ifndef CONFIG_NEED_MULTIPLE_NODES
- ptr = alloc_bootmem_pages(size);
+ copy_edd();
+
+ if (!boot_params.hdr.root_flags)
+ root_mountflags &= ~MS_RDONLY;
+ init_mm.start_code = (unsigned long) _text;
+ init_mm.end_code = (unsigned long) _etext;
+ init_mm.end_data = (unsigned long) _edata;
+#ifdef CONFIG_X86_32
+ init_mm.brk = init_pg_tables_end + PAGE_OFFSET;
#else
- int node = early_cpu_to_node(i);
- if (!node_online(node) || !NODE_DATA(node)) {
- ptr = alloc_bootmem_pages(size);
- printk(KERN_INFO
- "cpu %d has no node or node-local memory\n", i);
- }
- else
- ptr = alloc_bootmem_pages_node(NODE_DATA(node), size);
+ init_mm.brk = (unsigned long) &_end;
#endif
- if (!ptr)
- panic("Cannot allocate cpu data for CPU %d\n", i);
+
+ code_resource.start = virt_to_phys(_text);
+ code_resource.end = virt_to_phys(_etext)-1;
+ data_resource.start = virt_to_phys(_etext);
+ data_resource.end = virt_to_phys(_edata)-1;
+ bss_resource.start = virt_to_phys(&__bss_start);
+ bss_resource.end = virt_to_phys(&__bss_stop)-1;
+
#ifdef CONFIG_X86_64
- cpu_pda(i)->data_offset = ptr - __per_cpu_start;
+ early_cpu_init();
+#endif
+ strlcpy(command_line, boot_command_line, COMMAND_LINE_SIZE);
+ *cmdline_p = command_line;
+
+ parse_early_param();
+
+ /* after early param, so could get panic from serial */
+ reserve_early_setup_data();
+
+ if (acpi_mps_check()) {
+#ifdef CONFIG_X86_LOCAL_APIC
+ disable_apic = 1;
+#endif
+ clear_cpu_cap(&boot_cpu_data, X86_FEATURE_APIC);
+ }
+
+ finish_e820_parsing();
+
+#ifdef CONFIG_X86_32
+ probe_roms();
+#endif
+
+ /* after parse_early_param, so could debug it */
+ insert_resource(&iomem_resource, &code_resource);
+ insert_resource(&iomem_resource, &data_resource);
+ insert_resource(&iomem_resource, &bss_resource);
+
+ if (efi_enabled)
+ efi_init();
+
+#ifdef CONFIG_X86_32
+ if (ppro_with_ram_bug()) {
+ e820_update_range(0x70000000ULL, 0x40000ULL, E820_RAM,
+ E820_RESERVED);
+ sanitize_e820_map(e820.map, ARRAY_SIZE(e820.map), &e820.nr_map);
+ printk(KERN_INFO "fixed physical RAM map:\n");
+ e820_print_map("bad_ppro");
+ }
+#else
+ early_gart_iommu_check();
+#endif
+
+ /*
+ * partially used pages are not usable - thus
+ * we are rounding upwards:
+ */
+ max_pfn = e820_end_of_ram_pfn();
+
+ /* preallocate 4k for mptable mpc */
+ early_reserve_e820_mpc_new();
+ /* update e820 for memory not covered by WB MTRRs */
+ mtrr_bp_init();
+ if (mtrr_trim_uncached_memory(max_pfn))
+ max_pfn = e820_end_of_ram_pfn();
+
+#ifdef CONFIG_X86_32
+ /* max_low_pfn get updated here */
+ find_low_pfn_range();
#else
- __per_cpu_offset[i] = ptr - __per_cpu_start;
+ num_physpages = max_pfn;
+
+ check_efer();
+
+ /* How many end-of-memory variables you have, grandma! */
+ /* need this before calling reserve_initrd */
+ if (max_pfn > (1UL<<(32 - PAGE_SHIFT)))
+ max_low_pfn = e820_end_of_low_ram_pfn();
+ else
+ max_low_pfn = max_pfn;
+
+ high_memory = (void *)__va(max_pfn * PAGE_SIZE - 1) + 1;
#endif
- memcpy(ptr, __per_cpu_start, __per_cpu_end - __per_cpu_start);
- highest_cpu = i;
+ /* max_pfn_mapped is updated here */
+ max_low_pfn_mapped = init_memory_mapping(0, max_low_pfn<<PAGE_SHIFT);
+ max_pfn_mapped = max_low_pfn_mapped;
+
+#ifdef CONFIG_X86_64
+ if (max_pfn > max_low_pfn) {
+ max_pfn_mapped = init_memory_mapping(1UL<<32,
+ max_pfn<<PAGE_SHIFT);
+ /* can we preseve max_low_pfn ?*/
+ max_low_pfn = max_pfn;
}
+#endif
+
+ /*
+ * NOTE: On x86-32, only from this point on, fixmaps are ready for use.
+ */
- nr_cpu_ids = highest_cpu + 1;
- printk(KERN_DEBUG "NR_CPUS: %d, nr_cpu_ids: %d\n", NR_CPUS, nr_cpu_ids);
+#ifdef CONFIG_PROVIDE_OHCI1394_DMA_INIT
+ if (init_ohci1394_dma_early)
+ init_ohci1394_dma_on_all_controllers();
+#endif
- /* Setup percpu data maps */
- setup_per_cpu_maps();
+ reserve_initrd();
- /* Setup cpumask_of_cpu map */
- setup_cpumask_of_cpu();
-}
+#ifdef CONFIG_X86_64
+ vsmp_init();
+#endif
+
+ dmi_scan_machine();
+
+ io_delay_init();
+
+ /*
+ * Parse the ACPI tables for possible boot-time SMP configuration.
+ */
+ acpi_boot_table_init();
+
+#ifdef CONFIG_ACPI_NUMA
+ /*
+ * Parse SRAT to discover nodes.
+ */
+ acpi_numa_init();
+#endif
+
+ initmem_init(0, max_pfn);
+
+#ifdef CONFIG_X86_64
+ dma32_reserve_bootmem();
+#endif
+#ifdef CONFIG_ACPI_SLEEP
+ /*
+ * Reserve low memory region for sleep support.
+ */
+ acpi_reserve_bootmem();
+#endif
+#ifdef CONFIG_X86_FIND_SMP_CONFIG
+ /*
+ * Find and reserve possible boot-time SMP configuration:
+ */
+ find_smp_config();
#endif
+ reserve_crashkernel();
+
+ reserve_ibft_region();
+
+#ifdef CONFIG_KVM_CLOCK
+ kvmclock_init();
+#endif
+
+#if defined(CONFIG_VMI) && defined(CONFIG_X86_32)
+ /*
+ * Must be after max_low_pfn is determined, and before kernel
+ * pagetables are setup.
+ */
+ vmi_init();
+#endif
+
+ paging_init();
+
+#ifdef CONFIG_X86_64
+ map_vsyscall();
+#endif
+
+#ifdef CONFIG_X86_GENERICARCH
+ generic_apic_probe();
+#endif
+
+ early_quirks();
+
+ /*
+ * Read APIC and some other early information from ACPI tables.
+ */
+ acpi_boot_init();
+
+#if defined(CONFIG_X86_MPPARSE) || defined(CONFIG_X86_VISWS)
+ /*
+ * get boot-time SMP configuration:
+ */
+ if (smp_found_config)
+ get_smp_config();
+#endif
+
+ prefill_possible_map();
+#ifdef CONFIG_X86_64
+ init_cpu_to_node();
+#endif
+
+#ifdef CONFIG_X86_NUMAQ
+ /*
+ * need to check online nodes num, call it
+ * here before time_init/tsc_init
+ */
+ numaq_tsc_disable();
+#endif
+
+ init_apic_mappings();
+ ioapic_init_mappings();
+
+#if defined(CONFIG_SMP) && defined(CONFIG_X86_PC) && defined(CONFIG_X86_32)
+ if (def_to_bigsmp)
+ printk(KERN_WARNING "More than 8 CPUs detected and "
+ "CONFIG_X86_PC cannot handle it.\nUse "
+ "CONFIG_X86_GENERICARCH or CONFIG_X86_BIGSMP.\n");
+#endif
+ kvm_guest_init();
+
+ e820_reserve_resources();
+ e820_mark_nosave_regions(max_low_pfn);
+
+#ifdef CONFIG_X86_32
+ request_resource(&iomem_resource, &video_ram_resource);
+#endif
+ reserve_standard_io_resources();
+
+ e820_setup_gap();
+
+#ifdef CONFIG_VT
+#if defined(CONFIG_VGA_CONSOLE)
+ if (!efi_enabled || (efi_mem_type(0xa0000) != EFI_CONVENTIONAL_MEMORY))
+ conswitchp = &vga_con;
+#elif defined(CONFIG_DUMMY_CONSOLE)
+ conswitchp = &dummy_con;
+#endif
+#endif
+}
diff --git a/arch/x86/kernel/setup64.c b/arch/x86/kernel/setup64.c
deleted file mode 100644
index aee0e820077..00000000000
--- a/arch/x86/kernel/setup64.c
+++ /dev/null
@@ -1,287 +0,0 @@
-/*
- * X86-64 specific CPU setup.
- * Copyright (C) 1995 Linus Torvalds
- * Copyright 2001, 2002, 2003 SuSE Labs / Andi Kleen.
- * See setup.c for older changelog.
- */
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/string.h>
-#include <linux/bootmem.h>
-#include <linux/bitops.h>
-#include <linux/module.h>
-#include <linux/kgdb.h>
-#include <asm/pda.h>
-#include <asm/pgtable.h>
-#include <asm/processor.h>
-#include <asm/desc.h>
-#include <asm/atomic.h>
-#include <asm/mmu_context.h>
-#include <asm/smp.h>
-#include <asm/i387.h>
-#include <asm/percpu.h>
-#include <asm/proto.h>
-#include <asm/sections.h>
-#include <asm/setup.h>
-#include <asm/genapic.h>
-
-#ifndef CONFIG_DEBUG_BOOT_PARAMS
-struct boot_params __initdata boot_params;
-#else
-struct boot_params boot_params;
-#endif
-
-cpumask_t cpu_initialized __cpuinitdata = CPU_MASK_NONE;
-
-struct x8664_pda *_cpu_pda[NR_CPUS] __read_mostly;
-EXPORT_SYMBOL(_cpu_pda);
-struct x8664_pda boot_cpu_pda[NR_CPUS] __cacheline_aligned;
-
-struct desc_ptr idt_descr = { 256 * 16 - 1, (unsigned long) idt_table };
-
-char boot_cpu_stack[IRQSTACKSIZE] __attribute__((section(".bss.page_aligned")));
-
-unsigned long __supported_pte_mask __read_mostly = ~0UL;
-EXPORT_SYMBOL_GPL(__supported_pte_mask);
-
-static int do_not_nx __cpuinitdata = 0;
-
-/* noexec=on|off
-Control non executable mappings for 64bit processes.
-
-on Enable(default)
-off Disable
-*/
-static int __init nonx_setup(char *str)
-{
- if (!str)
- return -EINVAL;
- if (!strncmp(str, "on", 2)) {
- __supported_pte_mask |= _PAGE_NX;
- do_not_nx = 0;
- } else if (!strncmp(str, "off", 3)) {
- do_not_nx = 1;
- __supported_pte_mask &= ~_PAGE_NX;
- }
- return 0;
-}
-early_param("noexec", nonx_setup);
-
-int force_personality32 = 0;
-
-/* noexec32=on|off
-Control non executable heap for 32bit processes.
-To control the stack too use noexec=off
-
-on PROT_READ does not imply PROT_EXEC for 32bit processes (default)
-off PROT_READ implies PROT_EXEC
-*/
-static int __init nonx32_setup(char *str)
-{
- if (!strcmp(str, "on"))
- force_personality32 &= ~READ_IMPLIES_EXEC;
- else if (!strcmp(str, "off"))
- force_personality32 |= READ_IMPLIES_EXEC;
- return 1;
-}
-__setup("noexec32=", nonx32_setup);
-
-void pda_init(int cpu)
-{
- struct x8664_pda *pda = cpu_pda(cpu);
-
- /* Setup up data that may be needed in __get_free_pages early */
- asm volatile("movl %0,%%fs ; movl %0,%%gs" :: "r" (0));
- /* Memory clobbers used to order PDA accessed */
- mb();
- wrmsrl(MSR_GS_BASE, pda);
- mb();
-
- pda->cpunumber = cpu;
- pda->irqcount = -1;
- pda->kernelstack =
- (unsigned long)stack_thread_info() - PDA_STACKOFFSET + THREAD_SIZE;
- pda->active_mm = &init_mm;
- pda->mmu_state = 0;
-
- if (cpu == 0) {
- /* others are initialized in smpboot.c */
- pda->pcurrent = &init_task;
- pda->irqstackptr = boot_cpu_stack;
- } else {
- pda->irqstackptr = (char *)
- __get_free_pages(GFP_ATOMIC, IRQSTACK_ORDER);
- if (!pda->irqstackptr)
- panic("cannot allocate irqstack for cpu %d", cpu);
- }
-
-
- pda->irqstackptr += IRQSTACKSIZE-64;
-}
-
-char boot_exception_stacks[(N_EXCEPTION_STACKS - 1) * EXCEPTION_STKSZ + DEBUG_STKSZ]
-__attribute__((section(".bss.page_aligned")));
-
-extern asmlinkage void ignore_sysret(void);
-
-/* May not be marked __init: used by software suspend */
-void syscall_init(void)
-{
- /*
- * LSTAR and STAR live in a bit strange symbiosis.
- * They both write to the same internal register. STAR allows to set CS/DS
- * but only a 32bit target. LSTAR sets the 64bit rip.
- */
- wrmsrl(MSR_STAR, ((u64)__USER32_CS)<<48 | ((u64)__KERNEL_CS)<<32);
- wrmsrl(MSR_LSTAR, system_call);
- wrmsrl(MSR_CSTAR, ignore_sysret);
-
-#ifdef CONFIG_IA32_EMULATION
- syscall32_cpu_init ();
-#endif
-
- /* Flags to clear on syscall */
- wrmsrl(MSR_SYSCALL_MASK,
- X86_EFLAGS_TF|X86_EFLAGS_DF|X86_EFLAGS_IF|X86_EFLAGS_IOPL);
-}
-
-void __cpuinit check_efer(void)
-{
- unsigned long efer;
-
- rdmsrl(MSR_EFER, efer);
- if (!(efer & EFER_NX) || do_not_nx) {
- __supported_pte_mask &= ~_PAGE_NX;
- }
-}
-
-unsigned long kernel_eflags;
-
-/*
- * Copies of the original ist values from the tss are only accessed during
- * debugging, no special alignment required.
- */
-DEFINE_PER_CPU(struct orig_ist, orig_ist);
-
-/*
- * cpu_init() initializes state that is per-CPU. Some data is already
- * initialized (naturally) in the bootstrap process, such as the GDT
- * and IDT. We reload them nevertheless, this function acts as a
- * 'CPU state barrier', nothing should get across.
- * A lot of state is already set up in PDA init.
- */
-void __cpuinit cpu_init (void)
-{
- int cpu = stack_smp_processor_id();
- struct tss_struct *t = &per_cpu(init_tss, cpu);
- struct orig_ist *orig_ist = &per_cpu(orig_ist, cpu);
- unsigned long v;
- char *estacks = NULL;
- struct task_struct *me;
- int i;
-
- /* CPU 0 is initialised in head64.c */
- if (cpu != 0) {
- pda_init(cpu);
- } else
- estacks = boot_exception_stacks;
-
- me = current;
-
- if (cpu_test_and_set(cpu, cpu_initialized))
- panic("CPU#%d already initialized!\n", cpu);
-
- printk("Initializing CPU#%d\n", cpu);
-
- clear_in_cr4(X86_CR4_VME|X86_CR4_PVI|X86_CR4_TSD|X86_CR4_DE);
-
- /*
- * Initialize the per-CPU GDT with the boot GDT,
- * and set up the GDT descriptor:
- */
- if (cpu)
- memcpy(get_cpu_gdt_table(cpu), cpu_gdt_table, GDT_SIZE);
-
- cpu_gdt_descr[cpu].size = GDT_SIZE;
- load_gdt((const struct desc_ptr *)&cpu_gdt_descr[cpu]);
- load_idt((const struct desc_ptr *)&idt_descr);
-
- memset(me->thread.tls_array, 0, GDT_ENTRY_TLS_ENTRIES * 8);
- syscall_init();
-
- wrmsrl(MSR_FS_BASE, 0);
- wrmsrl(MSR_KERNEL_GS_BASE, 0);
- barrier();
-
- check_efer();
-
- /*
- * set up and load the per-CPU TSS
- */
- for (v = 0; v < N_EXCEPTION_STACKS; v++) {
- static const unsigned int order[N_EXCEPTION_STACKS] = {
- [0 ... N_EXCEPTION_STACKS - 1] = EXCEPTION_STACK_ORDER,
- [DEBUG_STACK - 1] = DEBUG_STACK_ORDER
- };
- if (cpu) {
- estacks = (char *)__get_free_pages(GFP_ATOMIC, order[v]);
- if (!estacks)
- panic("Cannot allocate exception stack %ld %d\n",
- v, cpu);
- }
- estacks += PAGE_SIZE << order[v];
- orig_ist->ist[v] = t->x86_tss.ist[v] = (unsigned long)estacks;
- }
-
- t->x86_tss.io_bitmap_base = offsetof(struct tss_struct, io_bitmap);
- /*
- * <= is required because the CPU will access up to
- * 8 bits beyond the end of the IO permission bitmap.
- */
- for (i = 0; i <= IO_BITMAP_LONGS; i++)
- t->io_bitmap[i] = ~0UL;
-
- atomic_inc(&init_mm.mm_count);
- me->active_mm = &init_mm;
- if (me->mm)
- BUG();
- enter_lazy_tlb(&init_mm, me);
-
- set_tss_desc(cpu, t);
- load_TR_desc();
- load_LDT(&init_mm.context);
-
-#ifdef CONFIG_KGDB
- /*
- * If the kgdb is connected no debug regs should be altered. This
- * is only applicable when KGDB and a KGDB I/O module are built
- * into the kernel and you are using early debugging with
- * kgdbwait. KGDB will control the kernel HW breakpoint registers.
- */
- if (kgdb_connected && arch_kgdb_ops.correct_hw_break)
- arch_kgdb_ops.correct_hw_break();
- else {
-#endif
- /*
- * Clear all 6 debug registers:
- */
-
- set_debugreg(0UL, 0);
- set_debugreg(0UL, 1);
- set_debugreg(0UL, 2);
- set_debugreg(0UL, 3);
- set_debugreg(0UL, 6);
- set_debugreg(0UL, 7);
-#ifdef CONFIG_KGDB
- /* If the kgdb is connected no debug regs should be altered. */
- }
-#endif
-
- fpu_init();
-
- raw_local_save_flags(kernel_eflags);
-
- if (is_uv_system())
- uv_cpu_init();
-}
diff --git a/arch/x86/kernel/setup_32.c b/arch/x86/kernel/setup_32.c
deleted file mode 100644
index 5a2f8e06388..00000000000
--- a/arch/x86/kernel/setup_32.c
+++ /dev/null
@@ -1,964 +0,0 @@
-/*
- * Copyright (C) 1995 Linus Torvalds
- *
- * Support of BIGMEM added by Gerhard Wichert, Siemens AG, July 1999
- *
- * Memory region support
- * David Parsons <orc@pell.chi.il.us>, July-August 1999
- *
- * Added E820 sanitization routine (removes overlapping memory regions);
- * Brian Moyle <bmoyle@mvista.com>, February 2001
- *
- * Moved CPU detection code to cpu/${cpu}.c
- * Patrick Mochel <mochel@osdl.org>, March 2002
- *
- * Provisions for empty E820 memory regions (reported by certain BIOSes).
- * Alex Achenbach <xela@slit.de>, December 2002.
- *
- */
-
-/*
- * This file handles the architecture-dependent parts of initialization
- */
-
-#include <linux/sched.h>
-#include <linux/mm.h>
-#include <linux/mmzone.h>
-#include <linux/screen_info.h>
-#include <linux/ioport.h>
-#include <linux/acpi.h>
-#include <linux/apm_bios.h>
-#include <linux/initrd.h>
-#include <linux/bootmem.h>
-#include <linux/seq_file.h>
-#include <linux/console.h>
-#include <linux/mca.h>
-#include <linux/root_dev.h>
-#include <linux/highmem.h>
-#include <linux/module.h>
-#include <linux/efi.h>
-#include <linux/init.h>
-#include <linux/edd.h>
-#include <linux/iscsi_ibft.h>
-#include <linux/nodemask.h>
-#include <linux/kexec.h>
-#include <linux/crash_dump.h>
-#include <linux/dmi.h>
-#include <linux/pfn.h>
-#include <linux/pci.h>
-#include <linux/init_ohci1394_dma.h>
-#include <linux/kvm_para.h>
-
-#include <video/edid.h>
-
-#include <asm/mtrr.h>
-#include <asm/apic.h>
-#include <asm/e820.h>
-#include <asm/mpspec.h>
-#include <asm/mmzone.h>
-#include <asm/setup.h>
-#include <asm/arch_hooks.h>
-#include <asm/sections.h>
-#include <asm/io_apic.h>
-#include <asm/ist.h>
-#include <asm/io.h>
-#include <asm/vmi.h>
-#include <setup_arch.h>
-#include <asm/bios_ebda.h>
-#include <asm/cacheflush.h>
-#include <asm/processor.h>
-
-/* This value is set up by the early boot code to point to the value
- immediately after the boot time page tables. It contains a *physical*
- address, and must not be in the .bss segment! */
-unsigned long init_pg_tables_end __initdata = ~0UL;
-
-/*
- * Machine setup..
- */
-static struct resource data_resource = {
- .name = "Kernel data",
- .start = 0,
- .end = 0,
- .flags = IORESOURCE_BUSY | IORESOURCE_MEM
-};
-
-static struct resource code_resource = {
- .name = "Kernel code",
- .start = 0,
- .end = 0,
- .flags = IORESOURCE_BUSY | IORESOURCE_MEM
-};
-
-static struct resource bss_resource = {
- .name = "Kernel bss",
- .start = 0,
- .end = 0,
- .flags = IORESOURCE_BUSY | IORESOURCE_MEM
-};
-
-static struct resource video_ram_resource = {
- .name = "Video RAM area",
- .start = 0xa0000,
- .end = 0xbffff,
- .flags = IORESOURCE_BUSY | IORESOURCE_MEM
-};
-
-static struct resource standard_io_resources[] = { {
- .name = "dma1",
- .start = 0x0000,
- .end = 0x001f,
- .flags = IORESOURCE_BUSY | IORESOURCE_IO
-}, {
- .name = "pic1",
- .start = 0x0020,
- .end = 0x0021,
- .flags = IORESOURCE_BUSY | IORESOURCE_IO
-}, {
- .name = "timer0",
- .start = 0x0040,
- .end = 0x0043,
- .flags = IORESOURCE_BUSY | IORESOURCE_IO
-}, {
- .name = "timer1",
- .start = 0x0050,
- .end = 0x0053,
- .flags = IORESOURCE_BUSY | IORESOURCE_IO
-}, {
- .name = "keyboard",
- .start = 0x0060,
- .end = 0x0060,
- .flags = IORESOURCE_BUSY | IORESOURCE_IO
-}, {
- .name = "keyboard",
- .start = 0x0064,
- .end = 0x0064,
- .flags = IORESOURCE_BUSY | IORESOURCE_IO
-}, {
- .name = "dma page reg",
- .start = 0x0080,
- .end = 0x008f,
- .flags = IORESOURCE_BUSY | IORESOURCE_IO
-}, {
- .name = "pic2",
- .start = 0x00a0,
- .end = 0x00a1,
- .flags = IORESOURCE_BUSY | IORESOURCE_IO
-}, {
- .name = "dma2",
- .start = 0x00c0,
- .end = 0x00df,
- .flags = IORESOURCE_BUSY | IORESOURCE_IO
-}, {
- .name = "fpu",
- .start = 0x00f0,
- .end = 0x00ff,
- .flags = IORESOURCE_BUSY | IORESOURCE_IO
-} };
-
-/* cpu data as detected by the assembly code in head.S */
-struct cpuinfo_x86 new_cpu_data __cpuinitdata = { 0, 0, 0, 0, -1, 1, 0, 0, -1 };
-/* common cpu data for all cpus */
-struct cpuinfo_x86 boot_cpu_data __read_mostly = { 0, 0, 0, 0, -1, 1, 0, 0, -1 };
-EXPORT_SYMBOL(boot_cpu_data);
-
-unsigned int def_to_bigsmp;
-
-#ifndef CONFIG_X86_PAE
-unsigned long mmu_cr4_features;
-#else
-unsigned long mmu_cr4_features = X86_CR4_PAE;
-#endif
-
-/* for MCA, but anyone else can use it if they want */
-unsigned int machine_id;
-unsigned int machine_submodel_id;
-unsigned int BIOS_revision;
-
-/* Boot loader ID as an integer, for the benefit of proc_dointvec */
-int bootloader_type;
-
-/* user-defined highmem size */
-static unsigned int highmem_pages = -1;
-
-/*
- * Setup options
- */
-struct screen_info screen_info;
-EXPORT_SYMBOL(screen_info);
-struct apm_info apm_info;
-EXPORT_SYMBOL(apm_info);
-struct edid_info edid_info;
-EXPORT_SYMBOL_GPL(edid_info);
-struct ist_info ist_info;
-#if defined(CONFIG_X86_SPEEDSTEP_SMI) || \
- defined(CONFIG_X86_SPEEDSTEP_SMI_MODULE)
-EXPORT_SYMBOL(ist_info);
-#endif
-
-extern void early_cpu_init(void);
-extern int root_mountflags;
-
-unsigned long saved_video_mode;
-
-#define RAMDISK_IMAGE_START_MASK 0x07FF
-#define RAMDISK_PROMPT_FLAG 0x8000
-#define RAMDISK_LOAD_FLAG 0x4000
-
-static char __initdata command_line[COMMAND_LINE_SIZE];
-
-#ifndef CONFIG_DEBUG_BOOT_PARAMS
-struct boot_params __initdata boot_params;
-#else
-struct boot_params boot_params;
-#endif
-
-#if defined(CONFIG_EDD) || defined(CONFIG_EDD_MODULE)
-struct edd edd;
-#ifdef CONFIG_EDD_MODULE
-EXPORT_SYMBOL(edd);
-#endif
-/**
- * copy_edd() - Copy the BIOS EDD information
- * from boot_params into a safe place.
- *
- */
-static inline void copy_edd(void)
-{
- memcpy(edd.mbr_signature, boot_params.edd_mbr_sig_buffer,
- sizeof(edd.mbr_signature));
- memcpy(edd.edd_info, boot_params.eddbuf, sizeof(edd.edd_info));
- edd.mbr_signature_nr = boot_params.edd_mbr_sig_buf_entries;
- edd.edd_info_nr = boot_params.eddbuf_entries;
-}
-#else
-static inline void copy_edd(void)
-{
-}
-#endif
-
-int __initdata user_defined_memmap;
-
-/*
- * "mem=nopentium" disables the 4MB page tables.
- * "mem=XXX[kKmM]" defines a memory region from HIGH_MEM
- * to <mem>, overriding the bios size.
- * "memmap=XXX[KkmM]@XXX[KkmM]" defines a memory region from
- * <start> to <start>+<mem>, overriding the bios size.
- *
- * HPA tells me bootloaders need to parse mem=, so no new
- * option should be mem= [also see Documentation/i386/boot.txt]
- */
-static int __init parse_mem(char *arg)
-{
- if (!arg)
- return -EINVAL;
-
- if (strcmp(arg, "nopentium") == 0) {
- setup_clear_cpu_cap(X86_FEATURE_PSE);
- } else {
- /* If the user specifies memory size, we
- * limit the BIOS-provided memory map to
- * that size. exactmap can be used to specify
- * the exact map. mem=number can be used to
- * trim the existing memory map.
- */
- unsigned long long mem_size;
-
- mem_size = memparse(arg, &arg);
- limit_regions(mem_size);
- user_defined_memmap = 1;
- }
- return 0;
-}
-early_param("mem", parse_mem);
-
-#ifdef CONFIG_PROC_VMCORE
-/* elfcorehdr= specifies the location of elf core header
- * stored by the crashed kernel.
- */
-static int __init parse_elfcorehdr(char *arg)
-{
- if (!arg)
- return -EINVAL;
-
- elfcorehdr_addr = memparse(arg, &arg);
- return 0;
-}
-early_param("elfcorehdr", parse_elfcorehdr);
-#endif /* CONFIG_PROC_VMCORE */
-
-/*
- * highmem=size forces highmem to be exactly 'size' bytes.
- * This works even on boxes that have no highmem otherwise.
- * This also works to reduce highmem size on bigger boxes.
- */
-static int __init parse_highmem(char *arg)
-{
- if (!arg)
- return -EINVAL;
-
- highmem_pages = memparse(arg, &arg) >> PAGE_SHIFT;
- return 0;
-}
-early_param("highmem", parse_highmem);
-
-/*
- * vmalloc=size forces the vmalloc area to be exactly 'size'
- * bytes. This can be used to increase (or decrease) the
- * vmalloc area - the default is 128m.
- */
-static int __init parse_vmalloc(char *arg)
-{
- if (!arg)
- return -EINVAL;
-
- __VMALLOC_RESERVE = memparse(arg, &arg);
- return 0;
-}
-early_param("vmalloc", parse_vmalloc);
-
-/*
- * reservetop=size reserves a hole at the top of the kernel address space which
- * a hypervisor can load into later. Needed for dynamically loaded hypervisors,
- * so relocating the fixmap can be done before paging initialization.
- */
-static int __init parse_reservetop(char *arg)
-{
- unsigned long address;
-
- if (!arg)
- return -EINVAL;
-
- address = memparse(arg, &arg);
- reserve_top_address(address);
- return 0;
-}
-early_param("reservetop", parse_reservetop);
-
-/*
- * Determine low and high memory ranges:
- */
-unsigned long __init find_max_low_pfn(void)
-{
- unsigned long max_low_pfn;
-
- max_low_pfn = max_pfn;
- if (max_low_pfn > MAXMEM_PFN) {
- if (highmem_pages == -1)
- highmem_pages = max_pfn - MAXMEM_PFN;
- if (highmem_pages + MAXMEM_PFN < max_pfn)
- max_pfn = MAXMEM_PFN + highmem_pages;
- if (highmem_pages + MAXMEM_PFN > max_pfn) {
- printk("only %luMB highmem pages available, ignoring highmem size of %uMB.\n", pages_to_mb(max_pfn - MAXMEM_PFN), pages_to_mb(highmem_pages));
- highmem_pages = 0;
- }
- max_low_pfn = MAXMEM_PFN;
-#ifndef CONFIG_HIGHMEM
- /* Maximum memory usable is what is directly addressable */
- printk(KERN_WARNING "Warning only %ldMB will be used.\n",
- MAXMEM>>20);
- if (max_pfn > MAX_NONPAE_PFN)
- printk(KERN_WARNING "Use a HIGHMEM64G enabled kernel.\n");
- else
- printk(KERN_WARNING "Use a HIGHMEM enabled kernel.\n");
- max_pfn = MAXMEM_PFN;
-#else /* !CONFIG_HIGHMEM */
-#ifndef CONFIG_HIGHMEM64G
- if (max_pfn > MAX_NONPAE_PFN) {
- max_pfn = MAX_NONPAE_PFN;
- printk(KERN_WARNING "Warning only 4GB will be used.\n");
- printk(KERN_WARNING "Use a HIGHMEM64G enabled kernel.\n");
- }
-#endif /* !CONFIG_HIGHMEM64G */
-#endif /* !CONFIG_HIGHMEM */
- } else {
- if (highmem_pages == -1)
- highmem_pages = 0;
-#ifdef CONFIG_HIGHMEM
- if (highmem_pages >= max_pfn) {
- printk(KERN_ERR "highmem size specified (%uMB) is bigger than pages available (%luMB)!.\n", pages_to_mb(highmem_pages), pages_to_mb(max_pfn));
- highmem_pages = 0;
- }
- if (highmem_pages) {
- if (max_low_pfn-highmem_pages < 64*1024*1024/PAGE_SIZE){
- printk(KERN_ERR "highmem size %uMB results in smaller than 64MB lowmem, ignoring it.\n", pages_to_mb(highmem_pages));
- highmem_pages = 0;
- }
- max_low_pfn -= highmem_pages;
- }
-#else
- if (highmem_pages)
- printk(KERN_ERR "ignoring highmem size on non-highmem kernel!\n");
-#endif
- }
- return max_low_pfn;
-}
-
-#define BIOS_LOWMEM_KILOBYTES 0x413
-
-/*
- * The BIOS places the EBDA/XBDA at the top of conventional
- * memory, and usually decreases the reported amount of
- * conventional memory (int 0x12) too. This also contains a
- * workaround for Dell systems that neglect to reserve EBDA.
- * The same workaround also avoids a problem with the AMD768MPX
- * chipset: reserve a page before VGA to prevent PCI prefetch
- * into it (errata #56). Usually the page is reserved anyways,
- * unless you have no PS/2 mouse plugged in.
- */
-static void __init reserve_ebda_region(void)
-{
- unsigned int lowmem, ebda_addr;
-
- /* To determine the position of the EBDA and the */
- /* end of conventional memory, we need to look at */
- /* the BIOS data area. In a paravirtual environment */
- /* that area is absent. We'll just have to assume */
- /* that the paravirt case can handle memory setup */
- /* correctly, without our help. */
- if (paravirt_enabled())
- return;
-
- /* end of low (conventional) memory */
- lowmem = *(unsigned short *)__va(BIOS_LOWMEM_KILOBYTES);
- lowmem <<= 10;
-
- /* start of EBDA area */
- ebda_addr = get_bios_ebda();
-
- /* Fixup: bios puts an EBDA in the top 64K segment */
- /* of conventional memory, but does not adjust lowmem. */
- if ((lowmem - ebda_addr) <= 0x10000)
- lowmem = ebda_addr;
-
- /* Fixup: bios does not report an EBDA at all. */
- /* Some old Dells seem to need 4k anyhow (bugzilla 2990) */
- if ((ebda_addr == 0) && (lowmem >= 0x9f000))
- lowmem = 0x9f000;
-
- /* Paranoia: should never happen, but... */
- if ((lowmem == 0) || (lowmem >= 0x100000))
- lowmem = 0x9f000;
-
- /* reserve all memory between lowmem and the 1MB mark */
- reserve_bootmem(lowmem, 0x100000 - lowmem, BOOTMEM_DEFAULT);
-}
-
-#ifndef CONFIG_NEED_MULTIPLE_NODES
-static void __init setup_bootmem_allocator(void);
-static unsigned long __init setup_memory(void)
-{
- /*
- * partially used pages are not usable - thus
- * we are rounding upwards:
- */
- min_low_pfn = PFN_UP(init_pg_tables_end);
-
- max_low_pfn = find_max_low_pfn();
-
-#ifdef CONFIG_HIGHMEM
- highstart_pfn = highend_pfn = max_pfn;
- if (max_pfn > max_low_pfn) {
- highstart_pfn = max_low_pfn;
- }
- printk(KERN_NOTICE "%ldMB HIGHMEM available.\n",
- pages_to_mb(highend_pfn - highstart_pfn));
- num_physpages = highend_pfn;
- high_memory = (void *) __va(highstart_pfn * PAGE_SIZE - 1) + 1;
-#else
- num_physpages = max_low_pfn;
- high_memory = (void *) __va(max_low_pfn * PAGE_SIZE - 1) + 1;
-#endif
-#ifdef CONFIG_FLATMEM
- max_mapnr = num_physpages;
-#endif
- printk(KERN_NOTICE "%ldMB LOWMEM available.\n",
- pages_to_mb(max_low_pfn));
-
- setup_bootmem_allocator();
-
- return max_low_pfn;
-}
-
-static void __init zone_sizes_init(void)
-{
- unsigned long max_zone_pfns[MAX_NR_ZONES];
- memset(max_zone_pfns, 0, sizeof(max_zone_pfns));
- max_zone_pfns[ZONE_DMA] =
- virt_to_phys((char *)MAX_DMA_ADDRESS) >> PAGE_SHIFT;
- max_zone_pfns[ZONE_NORMAL] = max_low_pfn;
-#ifdef CONFIG_HIGHMEM
- max_zone_pfns[ZONE_HIGHMEM] = highend_pfn;
- add_active_range(0, 0, highend_pfn);
-#else
- add_active_range(0, 0, max_low_pfn);
-#endif
-
- free_area_init_nodes(max_zone_pfns);
-}
-#else
-extern unsigned long __init setup_memory(void);
-extern void zone_sizes_init(void);
-#endif /* !CONFIG_NEED_MULTIPLE_NODES */
-
-static inline unsigned long long get_total_mem(void)
-{
- unsigned long long total;
-
- total = max_low_pfn - min_low_pfn;
-#ifdef CONFIG_HIGHMEM
- total += highend_pfn - highstart_pfn;
-#endif
-
- return total << PAGE_SHIFT;
-}
-
-#ifdef CONFIG_KEXEC
-static void __init reserve_crashkernel(void)
-{
- unsigned long long total_mem;
- unsigned long long crash_size, crash_base;
- int ret;
-
- total_mem = get_total_mem();
-
- ret = parse_crashkernel(boot_command_line, total_mem,
- &crash_size, &crash_base);
- if (ret == 0 && crash_size > 0) {
- if (crash_base > 0) {
- printk(KERN_INFO "Reserving %ldMB of memory at %ldMB "
- "for crashkernel (System RAM: %ldMB)\n",
- (unsigned long)(crash_size >> 20),
- (unsigned long)(crash_base >> 20),
- (unsigned long)(total_mem >> 20));
-
- if (reserve_bootmem(crash_base, crash_size,
- BOOTMEM_EXCLUSIVE) < 0) {
- printk(KERN_INFO "crashkernel reservation "
- "failed - memory is in use\n");
- return;
- }
-
- crashk_res.start = crash_base;
- crashk_res.end = crash_base + crash_size - 1;
- } else
- printk(KERN_INFO "crashkernel reservation failed - "
- "you have to specify a base address\n");
- }
-}
-#else
-static inline void __init reserve_crashkernel(void)
-{}
-#endif
-
-#ifdef CONFIG_BLK_DEV_INITRD
-
-static bool do_relocate_initrd = false;
-
-static void __init reserve_initrd(void)
-{
- unsigned long ramdisk_image = boot_params.hdr.ramdisk_image;
- unsigned long ramdisk_size = boot_params.hdr.ramdisk_size;
- unsigned long ramdisk_end = ramdisk_image + ramdisk_size;
- unsigned long end_of_lowmem = max_low_pfn << PAGE_SHIFT;
- unsigned long ramdisk_here;
-
- initrd_start = 0;
-
- if (!boot_params.hdr.type_of_loader ||
- !ramdisk_image || !ramdisk_size)
- return; /* No initrd provided by bootloader */
-
- if (ramdisk_end < ramdisk_image) {
- printk(KERN_ERR "initrd wraps around end of memory, "
- "disabling initrd\n");
- return;
- }
- if (ramdisk_size >= end_of_lowmem/2) {
- printk(KERN_ERR "initrd too large to handle, "
- "disabling initrd\n");
- return;
- }
- if (ramdisk_end <= end_of_lowmem) {
- /* All in lowmem, easy case */
- reserve_bootmem(ramdisk_image, ramdisk_size, BOOTMEM_DEFAULT);
- initrd_start = ramdisk_image + PAGE_OFFSET;
- initrd_end = initrd_start+ramdisk_size;
- return;
- }
-
- /* We need to move the initrd down into lowmem */
- ramdisk_here = (end_of_lowmem - ramdisk_size) & PAGE_MASK;
-
- /* Note: this includes all the lowmem currently occupied by
- the initrd, we rely on that fact to keep the data intact. */
- reserve_bootmem(ramdisk_here, ramdisk_size, BOOTMEM_DEFAULT);
- initrd_start = ramdisk_here + PAGE_OFFSET;
- initrd_end = initrd_start + ramdisk_size;
-
- do_relocate_initrd = true;
-}
-
-#define MAX_MAP_CHUNK (NR_FIX_BTMAPS << PAGE_SHIFT)
-
-static void __init relocate_initrd(void)
-{
- unsigned long ramdisk_image = boot_params.hdr.ramdisk_image;
- unsigned long ramdisk_size = boot_params.hdr.ramdisk_size;
- unsigned long end_of_lowmem = max_low_pfn << PAGE_SHIFT;
- unsigned long ramdisk_here;
- unsigned long slop, clen, mapaddr;
- char *p, *q;
-
- if (!do_relocate_initrd)
- return;
-
- ramdisk_here = initrd_start - PAGE_OFFSET;
-
- q = (char *)initrd_start;
-
- /* Copy any lowmem portion of the initrd */
- if (ramdisk_image < end_of_lowmem) {
- clen = end_of_lowmem - ramdisk_image;
- p = (char *)__va(ramdisk_image);
- memcpy(q, p, clen);
- q += clen;
- ramdisk_image += clen;
- ramdisk_size -= clen;
- }
-
- /* Copy the highmem portion of the initrd */
- while (ramdisk_size) {
- slop = ramdisk_image & ~PAGE_MASK;
- clen = ramdisk_size;
- if (clen > MAX_MAP_CHUNK-slop)
- clen = MAX_MAP_CHUNK-slop;
- mapaddr = ramdisk_image & PAGE_MASK;
- p = early_ioremap(mapaddr, clen+slop);
- memcpy(q, p+slop, clen);
- early_iounmap(p, clen+slop);
- q += clen;
- ramdisk_image += clen;
- ramdisk_size -= clen;
- }
-}
-
-#endif /* CONFIG_BLK_DEV_INITRD */
-
-void __init setup_bootmem_allocator(void)
-{
- unsigned long bootmap_size;
- /*
- * Initialize the boot-time allocator (with low memory only):
- */
- bootmap_size = init_bootmem(min_low_pfn, max_low_pfn);
-
- register_bootmem_low_pages(max_low_pfn);
-
- /*
- * Reserve the bootmem bitmap itself as well. We do this in two
- * steps (first step was init_bootmem()) because this catches
- * the (very unlikely) case of us accidentally initializing the
- * bootmem allocator with an invalid RAM area.
- */
- reserve_bootmem(__pa_symbol(_text), (PFN_PHYS(min_low_pfn) +
- bootmap_size + PAGE_SIZE-1) - __pa_symbol(_text),
- BOOTMEM_DEFAULT);
-
- /*
- * reserve physical page 0 - it's a special BIOS page on many boxes,
- * enabling clean reboots, SMP operation, laptop functions.
- */
- reserve_bootmem(0, PAGE_SIZE, BOOTMEM_DEFAULT);
-
- /* reserve EBDA region */
- reserve_ebda_region();
-
-#ifdef CONFIG_SMP
- /*
- * But first pinch a few for the stack/trampoline stuff
- * FIXME: Don't need the extra page at 4K, but need to fix
- * trampoline before removing it. (see the GDT stuff)
- */
- reserve_bootmem(PAGE_SIZE, PAGE_SIZE, BOOTMEM_DEFAULT);
-#endif
-#ifdef CONFIG_ACPI_SLEEP
- /*
- * Reserve low memory region for sleep support.
- */
- acpi_reserve_bootmem();
-#endif
-#ifdef CONFIG_X86_FIND_SMP_CONFIG
- /*
- * Find and reserve possible boot-time SMP configuration:
- */
- find_smp_config();
-#endif
-#ifdef CONFIG_BLK_DEV_INITRD
- reserve_initrd();
-#endif
- numa_kva_reserve();
- reserve_crashkernel();
-
- reserve_ibft_region();
-}
-
-/*
- * The node 0 pgdat is initialized before all of these because
- * it's needed for bootmem. node>0 pgdats have their virtual
- * space allocated before the pagetables are in place to access
- * them, so they can't be cleared then.
- *
- * This should all compile down to nothing when NUMA is off.
- */
-static void __init remapped_pgdat_init(void)
-{
- int nid;
-
- for_each_online_node(nid) {
- if (nid != 0)
- memset(NODE_DATA(nid), 0, sizeof(struct pglist_data));
- }
-}
-
-#ifdef CONFIG_MCA
-static void set_mca_bus(int x)
-{
- MCA_bus = x;
-}
-#else
-static void set_mca_bus(int x) { }
-#endif
-
-/* Overridden in paravirt.c if CONFIG_PARAVIRT */
-char * __init __attribute__((weak)) memory_setup(void)
-{
- return machine_specific_memory_setup();
-}
-
-#ifdef CONFIG_NUMA
-/*
- * In the golden day, when everything among i386 and x86_64 will be
- * integrated, this will not live here
- */
-void *x86_cpu_to_node_map_early_ptr;
-int x86_cpu_to_node_map_init[NR_CPUS] = {
- [0 ... NR_CPUS-1] = NUMA_NO_NODE
-};
-DEFINE_PER_CPU(int, x86_cpu_to_node_map) = NUMA_NO_NODE;
-#endif
-
-/*
- * Determine if we were loaded by an EFI loader. If so, then we have also been
- * passed the efi memmap, systab, etc., so we should use these data structures
- * for initialization. Note, the efi init code path is determined by the
- * global efi_enabled. This allows the same kernel image to be used on existing
- * systems (with a traditional BIOS) as well as on EFI systems.
- */
-void __init setup_arch(char **cmdline_p)
-{
- unsigned long max_low_pfn;
-
- memcpy(&boot_cpu_data, &new_cpu_data, sizeof(new_cpu_data));
- pre_setup_arch_hook();
- early_cpu_init();
- early_ioremap_init();
-
-#ifdef CONFIG_EFI
- if (!strncmp((char *)&boot_params.efi_info.efi_loader_signature,
- "EL32", 4))
- efi_enabled = 1;
-#endif
-
- ROOT_DEV = old_decode_dev(boot_params.hdr.root_dev);
- screen_info = boot_params.screen_info;
- edid_info = boot_params.edid_info;
- apm_info.bios = boot_params.apm_bios_info;
- ist_info = boot_params.ist_info;
- saved_video_mode = boot_params.hdr.vid_mode;
- if( boot_params.sys_desc_table.length != 0 ) {
- set_mca_bus(boot_params.sys_desc_table.table[3] & 0x2);
- machine_id = boot_params.sys_desc_table.table[0];
- machine_submodel_id = boot_params.sys_desc_table.table[1];
- BIOS_revision = boot_params.sys_desc_table.table[2];
- }
- bootloader_type = boot_params.hdr.type_of_loader;
-
-#ifdef CONFIG_BLK_DEV_RAM
- rd_image_start = boot_params.hdr.ram_size & RAMDISK_IMAGE_START_MASK;
- rd_prompt = ((boot_params.hdr.ram_size & RAMDISK_PROMPT_FLAG) != 0);
- rd_doload = ((boot_params.hdr.ram_size & RAMDISK_LOAD_FLAG) != 0);
-#endif
- ARCH_SETUP
-
- printk(KERN_INFO "BIOS-provided physical RAM map:\n");
- print_memory_map(memory_setup());
-
- copy_edd();
-
- if (!boot_params.hdr.root_flags)
- root_mountflags &= ~MS_RDONLY;
- init_mm.start_code = (unsigned long) _text;
- init_mm.end_code = (unsigned long) _etext;
- init_mm.end_data = (unsigned long) _edata;
- init_mm.brk = init_pg_tables_end + PAGE_OFFSET;
-
- code_resource.start = virt_to_phys(_text);
- code_resource.end = virt_to_phys(_etext)-1;
- data_resource.start = virt_to_phys(_etext);
- data_resource.end = virt_to_phys(_edata)-1;
- bss_resource.start = virt_to_phys(&__bss_start);
- bss_resource.end = virt_to_phys(&__bss_stop)-1;
-
- parse_early_param();
-
- if (user_defined_memmap) {
- printk(KERN_INFO "user-defined physical RAM map:\n");
- print_memory_map("user");
- }
-
- strlcpy(command_line, boot_command_line, COMMAND_LINE_SIZE);
- *cmdline_p = command_line;
-
- if (efi_enabled)
- efi_init();
-
- /* update e820 for memory not covered by WB MTRRs */
- propagate_e820_map();
- mtrr_bp_init();
- if (mtrr_trim_uncached_memory(max_pfn))
- propagate_e820_map();
-
- max_low_pfn = setup_memory();
-
-#ifdef CONFIG_KVM_CLOCK
- kvmclock_init();
-#endif
-
-#ifdef CONFIG_VMI
- /*
- * Must be after max_low_pfn is determined, and before kernel
- * pagetables are setup.
- */
- vmi_init();
-#endif
- kvm_guest_init();
-
- /*
- * NOTE: before this point _nobody_ is allowed to allocate
- * any memory using the bootmem allocator. Although the
- * allocator is now initialised only the first 8Mb of the kernel
- * virtual address space has been mapped. All allocations before
- * paging_init() has completed must use the alloc_bootmem_low_pages()
- * variant (which allocates DMA'able memory) and care must be taken
- * not to exceed the 8Mb limit.
- */
-
-#ifdef CONFIG_SMP
- smp_alloc_memory(); /* AP processor realmode stacks in low memory*/
-#endif
- paging_init();
-
- /*
- * NOTE: On x86-32, only from this point on, fixmaps are ready for use.
- */
-
-#ifdef CONFIG_PROVIDE_OHCI1394_DMA_INIT
- if (init_ohci1394_dma_early)
- init_ohci1394_dma_on_all_controllers();
-#endif
-
- remapped_pgdat_init();
- sparse_init();
- zone_sizes_init();
-
- /*
- * NOTE: at this point the bootmem allocator is fully available.
- */
-
-#ifdef CONFIG_BLK_DEV_INITRD
- relocate_initrd();
-#endif
-
- paravirt_post_allocator_init();
-
- dmi_scan_machine();
-
- io_delay_init();
-
-#ifdef CONFIG_X86_SMP
- /*
- * setup to use the early static init tables during kernel startup
- * X86_SMP will exclude sub-arches that don't deal well with it.
- */
- x86_cpu_to_apicid_early_ptr = (void *)x86_cpu_to_apicid_init;
- x86_bios_cpu_apicid_early_ptr = (void *)x86_bios_cpu_apicid_init;
-#ifdef CONFIG_NUMA
- x86_cpu_to_node_map_early_ptr = (void *)x86_cpu_to_node_map_init;
-#endif
-#endif
-
-#ifdef CONFIG_X86_GENERICARCH
- generic_apic_probe();
-#endif
-
-#ifdef CONFIG_ACPI
- /*
- * Parse the ACPI tables for possible boot-time SMP configuration.
- */
- acpi_boot_table_init();
-#endif
-
- early_quirks();
-
-#ifdef CONFIG_ACPI
- acpi_boot_init();
-
-#if defined(CONFIG_SMP) && defined(CONFIG_X86_PC)
- if (def_to_bigsmp)
- printk(KERN_WARNING "More than 8 CPUs detected and "
- "CONFIG_X86_PC cannot handle it.\nUse "
- "CONFIG_X86_GENERICARCH or CONFIG_X86_BIGSMP.\n");
-#endif
-#endif
-#ifdef CONFIG_X86_LOCAL_APIC
- if (smp_found_config)
- get_smp_config();
-#endif
-
- e820_register_memory();
- e820_mark_nosave_regions();
-
-#ifdef CONFIG_VT
-#if defined(CONFIG_VGA_CONSOLE)
- if (!efi_enabled || (efi_mem_type(0xa0000) != EFI_CONVENTIONAL_MEMORY))
- conswitchp = &vga_con;
-#elif defined(CONFIG_DUMMY_CONSOLE)
- conswitchp = &dummy_con;
-#endif
-#endif
-}
-
-/*
- * Request address space for all standard resources
- *
- * This is called just before pcibios_init(), which is also a
- * subsys_initcall, but is linked in later (in arch/i386/pci/common.c).
- */
-static int __init request_standard_resources(void)
-{
- int i;
-
- printk(KERN_INFO "Setting up standard PCI resources\n");
- init_iomem_resources(&code_resource, &data_resource, &bss_resource);
-
- request_resource(&iomem_resource, &video_ram_resource);
-
- /* request I/O space for devices used on all i[345]86 PCs */
- for (i = 0; i < ARRAY_SIZE(standard_io_resources); i++)
- request_resource(&ioport_resource, &standard_io_resources[i]);
- return 0;
-}
-
-subsys_initcall(request_standard_resources);
diff --git a/arch/x86/kernel/setup_64.c b/arch/x86/kernel/setup_64.c
deleted file mode 100644
index 6dff1286ad8..00000000000
--- a/arch/x86/kernel/setup_64.c
+++ /dev/null
@@ -1,1194 +0,0 @@
-/*
- * Copyright (C) 1995 Linus Torvalds
- */
-
-/*
- * This file handles the architecture-dependent parts of initialization
- */
-
-#include <linux/errno.h>
-#include <linux/sched.h>
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/stddef.h>
-#include <linux/unistd.h>
-#include <linux/ptrace.h>
-#include <linux/slab.h>
-#include <linux/user.h>
-#include <linux/screen_info.h>
-#include <linux/ioport.h>
-#include <linux/delay.h>
-#include <linux/init.h>
-#include <linux/initrd.h>
-#include <linux/highmem.h>
-#include <linux/bootmem.h>
-#include <linux/module.h>
-#include <asm/processor.h>
-#include <linux/console.h>
-#include <linux/seq_file.h>
-#include <linux/crash_dump.h>
-#include <linux/root_dev.h>
-#include <linux/pci.h>
-#include <asm/pci-direct.h>
-#include <linux/efi.h>
-#include <linux/acpi.h>
-#include <linux/kallsyms.h>
-#include <linux/edd.h>
-#include <linux/iscsi_ibft.h>
-#include <linux/mmzone.h>
-#include <linux/kexec.h>
-#include <linux/cpufreq.h>
-#include <linux/dmi.h>
-#include <linux/dma-mapping.h>
-#include <linux/ctype.h>
-#include <linux/sort.h>
-#include <linux/uaccess.h>
-#include <linux/init_ohci1394_dma.h>
-#include <linux/kvm_para.h>
-
-#include <asm/mtrr.h>
-#include <asm/uaccess.h>
-#include <asm/system.h>
-#include <asm/vsyscall.h>
-#include <asm/io.h>
-#include <asm/smp.h>
-#include <asm/msr.h>
-#include <asm/desc.h>
-#include <video/edid.h>
-#include <asm/e820.h>
-#include <asm/dma.h>
-#include <asm/gart.h>
-#include <asm/mpspec.h>
-#include <asm/mmu_context.h>
-#include <asm/proto.h>
-#include <asm/setup.h>
-#include <asm/numa.h>
-#include <asm/sections.h>
-#include <asm/dmi.h>
-#include <asm/cacheflush.h>
-#include <asm/mce.h>
-#include <asm/ds.h>
-#include <asm/topology.h>
-#include <asm/trampoline.h>
-#include <asm/pat.h>
-
-#include <mach_apic.h>
-#ifdef CONFIG_PARAVIRT
-#include <asm/paravirt.h>
-#else
-#define ARCH_SETUP
-#endif
-
-/*
- * Machine setup..
- */
-
-struct cpuinfo_x86 boot_cpu_data __read_mostly;
-EXPORT_SYMBOL(boot_cpu_data);
-
-__u32 cleared_cpu_caps[NCAPINTS] __cpuinitdata;
-
-unsigned long mmu_cr4_features;
-
-/* Boot loader ID as an integer, for the benefit of proc_dointvec */
-int bootloader_type;
-
-unsigned long saved_video_mode;
-
-int force_mwait __cpuinitdata;
-
-/*
- * Early DMI memory
- */
-int dmi_alloc_index;
-char dmi_alloc_data[DMI_MAX_DATA];
-
-/*
- * Setup options
- */
-struct screen_info screen_info;
-EXPORT_SYMBOL(screen_info);
-struct sys_desc_table_struct {
- unsigned short length;
- unsigned char table[0];
-};
-
-struct edid_info edid_info;
-EXPORT_SYMBOL_GPL(edid_info);
-
-extern int root_mountflags;
-
-char __initdata command_line[COMMAND_LINE_SIZE];
-
-static struct resource standard_io_resources[] = {
- { .name = "dma1", .start = 0x00, .end = 0x1f,
- .flags = IORESOURCE_BUSY | IORESOURCE_IO },
- { .name = "pic1", .start = 0x20, .end = 0x21,
- .flags = IORESOURCE_BUSY | IORESOURCE_IO },
- { .name = "timer0", .start = 0x40, .end = 0x43,
- .flags = IORESOURCE_BUSY | IORESOURCE_IO },
- { .name = "timer1", .start = 0x50, .end = 0x53,
- .flags = IORESOURCE_BUSY | IORESOURCE_IO },
- { .name = "keyboard", .start = 0x60, .end = 0x60,
- .flags = IORESOURCE_BUSY | IORESOURCE_IO },
- { .name = "keyboard", .start = 0x64, .end = 0x64,
- .flags = IORESOURCE_BUSY | IORESOURCE_IO },
- { .name = "dma page reg", .start = 0x80, .end = 0x8f,
- .flags = IORESOURCE_BUSY | IORESOURCE_IO },
- { .name = "pic2", .start = 0xa0, .end = 0xa1,
- .flags = IORESOURCE_BUSY | IORESOURCE_IO },
- { .name = "dma2", .start = 0xc0, .end = 0xdf,
- .flags = IORESOURCE_BUSY | IORESOURCE_IO },
- { .name = "fpu", .start = 0xf0, .end = 0xff,
- .flags = IORESOURCE_BUSY | IORESOURCE_IO }
-};
-
-#define IORESOURCE_RAM (IORESOURCE_BUSY | IORESOURCE_MEM)
-
-static struct resource data_resource = {
- .name = "Kernel data",
- .start = 0,
- .end = 0,
- .flags = IORESOURCE_RAM,
-};
-static struct resource code_resource = {
- .name = "Kernel code",
- .start = 0,
- .end = 0,
- .flags = IORESOURCE_RAM,
-};
-static struct resource bss_resource = {
- .name = "Kernel bss",
- .start = 0,
- .end = 0,
- .flags = IORESOURCE_RAM,
-};
-
-static void __cpuinit early_identify_cpu(struct cpuinfo_x86 *c);
-
-#ifdef CONFIG_PROC_VMCORE
-/* elfcorehdr= specifies the location of elf core header
- * stored by the crashed kernel. This option will be passed
- * by kexec loader to the capture kernel.
- */
-static int __init setup_elfcorehdr(char *arg)
-{
- char *end;
- if (!arg)
- return -EINVAL;
- elfcorehdr_addr = memparse(arg, &end);
- return end > arg ? 0 : -EINVAL;
-}
-early_param("elfcorehdr", setup_elfcorehdr);
-#endif
-
-#ifndef CONFIG_NUMA
-static void __init
-contig_initmem_init(unsigned long start_pfn, unsigned long end_pfn)
-{
- unsigned long bootmap_size, bootmap;
-
- bootmap_size = bootmem_bootmap_pages(end_pfn)<<PAGE_SHIFT;
- bootmap = find_e820_area(0, end_pfn<<PAGE_SHIFT, bootmap_size,
- PAGE_SIZE);
- if (bootmap == -1L)
- panic("Cannot find bootmem map of size %ld\n", bootmap_size);
- bootmap_size = init_bootmem(bootmap >> PAGE_SHIFT, end_pfn);
- e820_register_active_regions(0, start_pfn, end_pfn);
- free_bootmem_with_active_regions(0, end_pfn);
- early_res_to_bootmem(0, end_pfn<<PAGE_SHIFT);
- reserve_bootmem(bootmap, bootmap_size, BOOTMEM_DEFAULT);
-}
-#endif
-
-#if defined(CONFIG_EDD) || defined(CONFIG_EDD_MODULE)
-struct edd edd;
-#ifdef CONFIG_EDD_MODULE
-EXPORT_SYMBOL(edd);
-#endif
-/**
- * copy_edd() - Copy the BIOS EDD information
- * from boot_params into a safe place.
- *
- */
-static inline void copy_edd(void)
-{
- memcpy(edd.mbr_signature, boot_params.edd_mbr_sig_buffer,
- sizeof(edd.mbr_signature));
- memcpy(edd.edd_info, boot_params.eddbuf, sizeof(edd.edd_info));
- edd.mbr_signature_nr = boot_params.edd_mbr_sig_buf_entries;
- edd.edd_info_nr = boot_params.eddbuf_entries;
-}
-#else
-static inline void copy_edd(void)
-{
-}
-#endif
-
-#ifdef CONFIG_KEXEC
-static void __init reserve_crashkernel(void)
-{
- unsigned long long total_mem;
- unsigned long long crash_size, crash_base;
- int ret;
-
- total_mem = ((unsigned long long)max_low_pfn - min_low_pfn) << PAGE_SHIFT;
-
- ret = parse_crashkernel(boot_command_line, total_mem,
- &crash_size, &crash_base);
- if (ret == 0 && crash_size) {
- if (crash_base <= 0) {
- printk(KERN_INFO "crashkernel reservation failed - "
- "you have to specify a base address\n");
- return;
- }
-
- if (reserve_bootmem(crash_base, crash_size,
- BOOTMEM_EXCLUSIVE) < 0) {
- printk(KERN_INFO "crashkernel reservation failed - "
- "memory is in use\n");
- return;
- }
-
- printk(KERN_INFO "Reserving %ldMB of memory at %ldMB "
- "for crashkernel (System RAM: %ldMB)\n",
- (unsigned long)(crash_size >> 20),
- (unsigned long)(crash_base >> 20),
- (unsigned long)(total_mem >> 20));
- crashk_res.start = crash_base;
- crashk_res.end = crash_base + crash_size - 1;
- insert_resource(&iomem_resource, &crashk_res);
- }
-}
-#else
-static inline void __init reserve_crashkernel(void)
-{}
-#endif
-
-/* Overridden in paravirt.c if CONFIG_PARAVIRT */
-void __attribute__((weak)) __init memory_setup(void)
-{
- machine_specific_memory_setup();
-}
-
-static void __init parse_setup_data(void)
-{
- struct setup_data *data;
- unsigned long pa_data;
-
- if (boot_params.hdr.version < 0x0209)
- return;
- pa_data = boot_params.hdr.setup_data;
- while (pa_data) {
- data = early_ioremap(pa_data, PAGE_SIZE);
- switch (data->type) {
- default:
- break;
- }
-#ifndef CONFIG_DEBUG_BOOT_PARAMS
- free_early(pa_data, pa_data+sizeof(*data)+data->len);
-#endif
- pa_data = data->next;
- early_iounmap(data, PAGE_SIZE);
- }
-}
-
-#ifdef CONFIG_PCI_MMCONFIG
-extern void __cpuinit fam10h_check_enable_mmcfg(void);
-extern void __init check_enable_amd_mmconf_dmi(void);
-#else
-void __cpuinit fam10h_check_enable_mmcfg(void)
-{
-}
-void __init check_enable_amd_mmconf_dmi(void)
-{
-}
-#endif
-
-/*
- * setup_arch - architecture-specific boot-time initializations
- *
- * Note: On x86_64, fixmaps are ready for use even before this is called.
- */
-void __init setup_arch(char **cmdline_p)
-{
- unsigned i;
-
- printk(KERN_INFO "Command line: %s\n", boot_command_line);
-
- ROOT_DEV = old_decode_dev(boot_params.hdr.root_dev);
- screen_info = boot_params.screen_info;
- edid_info = boot_params.edid_info;
- saved_video_mode = boot_params.hdr.vid_mode;
- bootloader_type = boot_params.hdr.type_of_loader;
-
-#ifdef CONFIG_BLK_DEV_RAM
- rd_image_start = boot_params.hdr.ram_size & RAMDISK_IMAGE_START_MASK;
- rd_prompt = ((boot_params.hdr.ram_size & RAMDISK_PROMPT_FLAG) != 0);
- rd_doload = ((boot_params.hdr.ram_size & RAMDISK_LOAD_FLAG) != 0);
-#endif
-#ifdef CONFIG_EFI
- if (!strncmp((char *)&boot_params.efi_info.efi_loader_signature,
- "EL64", 4))
- efi_enabled = 1;
-#endif
-
- ARCH_SETUP
-
- memory_setup();
- copy_edd();
-
- if (!boot_params.hdr.root_flags)
- root_mountflags &= ~MS_RDONLY;
- init_mm.start_code = (unsigned long) &_text;
- init_mm.end_code = (unsigned long) &_etext;
- init_mm.end_data = (unsigned long) &_edata;
- init_mm.brk = (unsigned long) &_end;
-
- code_resource.start = virt_to_phys(&_text);
- code_resource.end = virt_to_phys(&_etext)-1;
- data_resource.start = virt_to_phys(&_etext);
- data_resource.end = virt_to_phys(&_edata)-1;
- bss_resource.start = virt_to_phys(&__bss_start);
- bss_resource.end = virt_to_phys(&__bss_stop)-1;
-
- early_identify_cpu(&boot_cpu_data);
-
- strlcpy(command_line, boot_command_line, COMMAND_LINE_SIZE);
- *cmdline_p = command_line;
-
- parse_setup_data();
-
- parse_early_param();
-
-#ifdef CONFIG_PROVIDE_OHCI1394_DMA_INIT
- if (init_ohci1394_dma_early)
- init_ohci1394_dma_on_all_controllers();
-#endif
-
- finish_e820_parsing();
-
- /* after parse_early_param, so could debug it */
- insert_resource(&iomem_resource, &code_resource);
- insert_resource(&iomem_resource, &data_resource);
- insert_resource(&iomem_resource, &bss_resource);
-
- early_gart_iommu_check();
-
- e820_register_active_regions(0, 0, -1UL);
- /*
- * partially used pages are not usable - thus
- * we are rounding upwards:
- */
- end_pfn = e820_end_of_ram();
- /* update e820 for memory not covered by WB MTRRs */
- mtrr_bp_init();
- if (mtrr_trim_uncached_memory(end_pfn)) {
- e820_register_active_regions(0, 0, -1UL);
- end_pfn = e820_end_of_ram();
- }
-
- num_physpages = end_pfn;
-
- check_efer();
-
- max_pfn_mapped = init_memory_mapping(0, (max_pfn_mapped << PAGE_SHIFT));
- if (efi_enabled)
- efi_init();
-
- vsmp_init();
-
- dmi_scan_machine();
-
- io_delay_init();
-
-#ifdef CONFIG_KVM_CLOCK
- kvmclock_init();
-#endif
-
-#ifdef CONFIG_SMP
- /* setup to use the early static init tables during kernel startup */
- x86_cpu_to_apicid_early_ptr = (void *)x86_cpu_to_apicid_init;
- x86_bios_cpu_apicid_early_ptr = (void *)x86_bios_cpu_apicid_init;
-#ifdef CONFIG_NUMA
- x86_cpu_to_node_map_early_ptr = (void *)x86_cpu_to_node_map_init;
-#endif
-#endif
-
-#ifdef CONFIG_ACPI
- /*
- * Initialize the ACPI boot-time table parser (gets the RSDP and SDT).
- * Call this early for SRAT node setup.
- */
- acpi_boot_table_init();
-#endif
-
- /* How many end-of-memory variables you have, grandma! */
- max_low_pfn = end_pfn;
- max_pfn = end_pfn;
- high_memory = (void *)__va(end_pfn * PAGE_SIZE - 1) + 1;
-
- /* Remove active ranges so rediscovery with NUMA-awareness happens */
- remove_all_active_ranges();
-
-#ifdef CONFIG_ACPI_NUMA
- /*
- * Parse SRAT to discover nodes.
- */
- acpi_numa_init();
-#endif
-
-#ifdef CONFIG_NUMA
- numa_initmem_init(0, end_pfn);
-#else
- contig_initmem_init(0, end_pfn);
-#endif
-
- dma32_reserve_bootmem();
-
-#ifdef CONFIG_ACPI_SLEEP
- /*
- * Reserve low memory region for sleep support.
- */
- acpi_reserve_bootmem();
-#endif
-
- if (efi_enabled)
- efi_reserve_bootmem();
-
- /*
- * Find and reserve possible boot-time SMP configuration:
- */
- find_smp_config();
-#ifdef CONFIG_BLK_DEV_INITRD
- if (boot_params.hdr.type_of_loader && boot_params.hdr.ramdisk_image) {
- unsigned long ramdisk_image = boot_params.hdr.ramdisk_image;
- unsigned long ramdisk_size = boot_params.hdr.ramdisk_size;
- unsigned long ramdisk_end = ramdisk_image + ramdisk_size;
- unsigned long end_of_mem = end_pfn << PAGE_SHIFT;
-
- if (ramdisk_end <= end_of_mem) {
- /*
- * don't need to reserve again, already reserved early
- * in x86_64_start_kernel, and early_res_to_bootmem
- * convert that to reserved in bootmem
- */
- initrd_start = ramdisk_image + PAGE_OFFSET;
- initrd_end = initrd_start+ramdisk_size;
- } else {
- free_bootmem(ramdisk_image, ramdisk_size);
- printk(KERN_ERR "initrd extends beyond end of memory "
- "(0x%08lx > 0x%08lx)\ndisabling initrd\n",
- ramdisk_end, end_of_mem);
- initrd_start = 0;
- }
- }
-#endif
- reserve_crashkernel();
-
- reserve_ibft_region();
-
- paging_init();
- map_vsyscall();
-
- early_quirks();
-
-#ifdef CONFIG_ACPI
- /*
- * Read APIC and some other early information from ACPI tables.
- */
- acpi_boot_init();
-#endif
-
- init_cpu_to_node();
-
- /*
- * get boot-time SMP configuration:
- */
- if (smp_found_config)
- get_smp_config();
- init_apic_mappings();
- ioapic_init_mappings();
-
- kvm_guest_init();
-
- /*
- * We trust e820 completely. No explicit ROM probing in memory.
- */
- e820_reserve_resources();
- e820_mark_nosave_regions();
-
- /* request I/O space for devices used on all i[345]86 PCs */
- for (i = 0; i < ARRAY_SIZE(standard_io_resources); i++)
- request_resource(&ioport_resource, &standard_io_resources[i]);
-
- e820_setup_gap();
-
-#ifdef CONFIG_VT
-#if defined(CONFIG_VGA_CONSOLE)
- if (!efi_enabled || (efi_mem_type(0xa0000) != EFI_CONVENTIONAL_MEMORY))
- conswitchp = &vga_con;
-#elif defined(CONFIG_DUMMY_CONSOLE)
- conswitchp = &dummy_con;
-#endif
-#endif
-
- /* do this before identify_cpu for boot cpu */
- check_enable_amd_mmconf_dmi();
-}
-
-static int __cpuinit get_model_name(struct cpuinfo_x86 *c)
-{
- unsigned int *v;
-
- if (c->extended_cpuid_level < 0x80000004)
- return 0;
-
- v = (unsigned int *) c->x86_model_id;
- cpuid(0x80000002, &v[0], &v[1], &v[2], &v[3]);
- cpuid(0x80000003, &v[4], &v[5], &v[6], &v[7]);
- cpuid(0x80000004, &v[8], &v[9], &v[10], &v[11]);
- c->x86_model_id[48] = 0;
- return 1;
-}
-
-
-static void __cpuinit display_cacheinfo(struct cpuinfo_x86 *c)
-{
- unsigned int n, dummy, eax, ebx, ecx, edx;
-
- n = c->extended_cpuid_level;
-
- if (n >= 0x80000005) {
- cpuid(0x80000005, &dummy, &ebx, &ecx, &edx);
- printk(KERN_INFO "CPU: L1 I Cache: %dK (%d bytes/line), "
- "D cache %dK (%d bytes/line)\n",
- edx>>24, edx&0xFF, ecx>>24, ecx&0xFF);
- c->x86_cache_size = (ecx>>24) + (edx>>24);
- /* On K8 L1 TLB is inclusive, so don't count it */
- c->x86_tlbsize = 0;
- }
-
- if (n >= 0x80000006) {
- cpuid(0x80000006, &dummy, &ebx, &ecx, &edx);
- ecx = cpuid_ecx(0x80000006);
- c->x86_cache_size = ecx >> 16;
- c->x86_tlbsize += ((ebx >> 16) & 0xfff) + (ebx & 0xfff);
-
- printk(KERN_INFO "CPU: L2 Cache: %dK (%d bytes/line)\n",
- c->x86_cache_size, ecx & 0xFF);
- }
- if (n >= 0x80000008) {
- cpuid(0x80000008, &eax, &dummy, &dummy, &dummy);
- c->x86_virt_bits = (eax >> 8) & 0xff;
- c->x86_phys_bits = eax & 0xff;
- }
-}
-
-#ifdef CONFIG_NUMA
-static int __cpuinit nearby_node(int apicid)
-{
- int i, node;
-
- for (i = apicid - 1; i >= 0; i--) {
- node = apicid_to_node[i];
- if (node != NUMA_NO_NODE && node_online(node))
- return node;
- }
- for (i = apicid + 1; i < MAX_LOCAL_APIC; i++) {
- node = apicid_to_node[i];
- if (node != NUMA_NO_NODE && node_online(node))
- return node;
- }
- return first_node(node_online_map); /* Shouldn't happen */
-}
-#endif
-
-/*
- * On a AMD dual core setup the lower bits of the APIC id distingush the cores.
- * Assumes number of cores is a power of two.
- */
-static void __cpuinit amd_detect_cmp(struct cpuinfo_x86 *c)
-{
-#ifdef CONFIG_SMP
- unsigned bits;
-#ifdef CONFIG_NUMA
- int cpu = smp_processor_id();
- int node = 0;
- unsigned apicid = hard_smp_processor_id();
-#endif
- bits = c->x86_coreid_bits;
-
- /* Low order bits define the core id (index of core in socket) */
- c->cpu_core_id = c->initial_apicid & ((1 << bits)-1);
- /* Convert the initial APIC ID into the socket ID */
- c->phys_proc_id = c->initial_apicid >> bits;
-
-#ifdef CONFIG_NUMA
- node = c->phys_proc_id;
- if (apicid_to_node[apicid] != NUMA_NO_NODE)
- node = apicid_to_node[apicid];
- if (!node_online(node)) {
- /* Two possibilities here:
- - The CPU is missing memory and no node was created.
- In that case try picking one from a nearby CPU
- - The APIC IDs differ from the HyperTransport node IDs
- which the K8 northbridge parsing fills in.
- Assume they are all increased by a constant offset,
- but in the same order as the HT nodeids.
- If that doesn't result in a usable node fall back to the
- path for the previous case. */
-
- int ht_nodeid = c->initial_apicid;
-
- if (ht_nodeid >= 0 &&
- apicid_to_node[ht_nodeid] != NUMA_NO_NODE)
- node = apicid_to_node[ht_nodeid];
- /* Pick a nearby node */
- if (!node_online(node))
- node = nearby_node(apicid);
- }
- numa_set_node(cpu, node);
-
- printk(KERN_INFO "CPU %d/%x -> Node %d\n", cpu, apicid, node);
-#endif
-#endif
-}
-
-static void __cpuinit early_init_amd_mc(struct cpuinfo_x86 *c)
-{
-#ifdef CONFIG_SMP
- unsigned bits, ecx;
-
- /* Multi core CPU? */
- if (c->extended_cpuid_level < 0x80000008)
- return;
-
- ecx = cpuid_ecx(0x80000008);
-
- c->x86_max_cores = (ecx & 0xff) + 1;
-
- /* CPU telling us the core id bits shift? */
- bits = (ecx >> 12) & 0xF;
-
- /* Otherwise recompute */
- if (bits == 0) {
- while ((1 << bits) < c->x86_max_cores)
- bits++;
- }
-
- c->x86_coreid_bits = bits;
-
-#endif
-}
-
-#define ENABLE_C1E_MASK 0x18000000
-#define CPUID_PROCESSOR_SIGNATURE 1
-#define CPUID_XFAM 0x0ff00000
-#define CPUID_XFAM_K8 0x00000000
-#define CPUID_XFAM_10H 0x00100000
-#define CPUID_XFAM_11H 0x00200000
-#define CPUID_XMOD 0x000f0000
-#define CPUID_XMOD_REV_F 0x00040000
-
-/* AMD systems with C1E don't have a working lAPIC timer. Check for that. */
-static __cpuinit int amd_apic_timer_broken(void)
-{
- u32 lo, hi, eax = cpuid_eax(CPUID_PROCESSOR_SIGNATURE);
-
- switch (eax & CPUID_XFAM) {
- case CPUID_XFAM_K8:
- if ((eax & CPUID_XMOD) < CPUID_XMOD_REV_F)
- break;
- case CPUID_XFAM_10H:
- case CPUID_XFAM_11H:
- rdmsr(MSR_K8_ENABLE_C1E, lo, hi);
- if (lo & ENABLE_C1E_MASK)
- return 1;
- break;
- default:
- /* err on the side of caution */
- return 1;
- }
- return 0;
-}
-
-static void __cpuinit early_init_amd(struct cpuinfo_x86 *c)
-{
- early_init_amd_mc(c);
-
- /* c->x86_power is 8000_0007 edx. Bit 8 is constant TSC */
- if (c->x86_power & (1<<8))
- set_cpu_cap(c, X86_FEATURE_CONSTANT_TSC);
-}
-
-static void __cpuinit init_amd(struct cpuinfo_x86 *c)
-{
- unsigned level;
-
-#ifdef CONFIG_SMP
- unsigned long value;
-
- /*
- * Disable TLB flush filter by setting HWCR.FFDIS on K8
- * bit 6 of msr C001_0015
- *
- * Errata 63 for SH-B3 steppings
- * Errata 122 for all steppings (F+ have it disabled by default)
- */
- if (c->x86 == 15) {
- rdmsrl(MSR_K8_HWCR, value);
- value |= 1 << 6;
- wrmsrl(MSR_K8_HWCR, value);
- }
-#endif
-
- /* Bit 31 in normal CPUID used for nonstandard 3DNow ID;
- 3DNow is IDd by bit 31 in extended CPUID (1*32+31) anyway */
- clear_cpu_cap(c, 0*32+31);
-
- /* On C+ stepping K8 rep microcode works well for copy/memset */
- level = cpuid_eax(1);
- if (c->x86 == 15 && ((level >= 0x0f48 && level < 0x0f50) ||
- level >= 0x0f58))
- set_cpu_cap(c, X86_FEATURE_REP_GOOD);
- if (c->x86 == 0x10 || c->x86 == 0x11)
- set_cpu_cap(c, X86_FEATURE_REP_GOOD);
-
- /* Enable workaround for FXSAVE leak */
- if (c->x86 >= 6)
- set_cpu_cap(c, X86_FEATURE_FXSAVE_LEAK);
-
- level = get_model_name(c);
- if (!level) {
- switch (c->x86) {
- case 15:
- /* Should distinguish Models here, but this is only
- a fallback anyways. */
- strcpy(c->x86_model_id, "Hammer");
- break;
- }
- }
- display_cacheinfo(c);
-
- /* Multi core CPU? */
- if (c->extended_cpuid_level >= 0x80000008)
- amd_detect_cmp(c);
-
- if (c->extended_cpuid_level >= 0x80000006 &&
- (cpuid_edx(0x80000006) & 0xf000))
- num_cache_leaves = 4;
- else
- num_cache_leaves = 3;
-
- if (c->x86 == 0xf || c->x86 == 0x10 || c->x86 == 0x11)
- set_cpu_cap(c, X86_FEATURE_K8);
-
- /* MFENCE stops RDTSC speculation */
- set_cpu_cap(c, X86_FEATURE_MFENCE_RDTSC);
-
- if (c->x86 == 0x10)
- fam10h_check_enable_mmcfg();
-
- if (amd_apic_timer_broken())
- disable_apic_timer = 1;
-
- if (c == &boot_cpu_data && c->x86 >= 0xf && c->x86 <= 0x11) {
- unsigned long long tseg;
-
- /*
- * Split up direct mapping around the TSEG SMM area.
- * Don't do it for gbpages because there seems very little
- * benefit in doing so.
- */
- if (!rdmsrl_safe(MSR_K8_TSEG_ADDR, &tseg) &&
- (tseg >> PMD_SHIFT) < (max_pfn_mapped >> (PMD_SHIFT-PAGE_SHIFT)))
- set_memory_4k((unsigned long)__va(tseg), 1);
- }
-}
-
-void __cpuinit detect_ht(struct cpuinfo_x86 *c)
-{
-#ifdef CONFIG_SMP
- u32 eax, ebx, ecx, edx;
- int index_msb, core_bits;
-
- cpuid(1, &eax, &ebx, &ecx, &edx);
-
-
- if (!cpu_has(c, X86_FEATURE_HT))
- return;
- if (cpu_has(c, X86_FEATURE_CMP_LEGACY))
- goto out;
-
- smp_num_siblings = (ebx & 0xff0000) >> 16;
-
- if (smp_num_siblings == 1) {
- printk(KERN_INFO "CPU: Hyper-Threading is disabled\n");
- } else if (smp_num_siblings > 1) {
-
- if (smp_num_siblings > NR_CPUS) {
- printk(KERN_WARNING "CPU: Unsupported number of "
- "siblings %d", smp_num_siblings);
- smp_num_siblings = 1;
- return;
- }
-
- index_msb = get_count_order(smp_num_siblings);
- c->phys_proc_id = phys_pkg_id(index_msb);
-
- smp_num_siblings = smp_num_siblings / c->x86_max_cores;
-
- index_msb = get_count_order(smp_num_siblings);
-
- core_bits = get_count_order(c->x86_max_cores);
-
- c->cpu_core_id = phys_pkg_id(index_msb) &
- ((1 << core_bits) - 1);
- }
-out:
- if ((c->x86_max_cores * smp_num_siblings) > 1) {
- printk(KERN_INFO "CPU: Physical Processor ID: %d\n",
- c->phys_proc_id);
- printk(KERN_INFO "CPU: Processor Core ID: %d\n",
- c->cpu_core_id);
- }
-
-#endif
-}
-
-/*
- * find out the number of processor cores on the die
- */
-static int __cpuinit intel_num_cpu_cores(struct cpuinfo_x86 *c)
-{
- unsigned int eax, t;
-
- if (c->cpuid_level < 4)
- return 1;
-
- cpuid_count(4, 0, &eax, &t, &t, &t);
-
- if (eax & 0x1f)
- return ((eax >> 26) + 1);
- else
- return 1;
-}
-
-static void __cpuinit srat_detect_node(void)
-{
-#ifdef CONFIG_NUMA
- unsigned node;
- int cpu = smp_processor_id();
- int apicid = hard_smp_processor_id();
-
- /* Don't do the funky fallback heuristics the AMD version employs
- for now. */
- node = apicid_to_node[apicid];
- if (node == NUMA_NO_NODE || !node_online(node))
- node = first_node(node_online_map);
- numa_set_node(cpu, node);
-
- printk(KERN_INFO "CPU %d/%x -> Node %d\n", cpu, apicid, node);
-#endif
-}
-
-static void __cpuinit early_init_intel(struct cpuinfo_x86 *c)
-{
- if ((c->x86 == 0xf && c->x86_model >= 0x03) ||
- (c->x86 == 0x6 && c->x86_model >= 0x0e))
- set_cpu_cap(c, X86_FEATURE_CONSTANT_TSC);
-}
-
-static void __cpuinit init_intel(struct cpuinfo_x86 *c)
-{
- /* Cache sizes */
- unsigned n;
-
- init_intel_cacheinfo(c);
- if (c->cpuid_level > 9) {
- unsigned eax = cpuid_eax(10);
- /* Check for version and the number of counters */
- if ((eax & 0xff) && (((eax>>8) & 0xff) > 1))
- set_cpu_cap(c, X86_FEATURE_ARCH_PERFMON);
- }
-
- if (cpu_has_ds) {
- unsigned int l1, l2;
- rdmsr(MSR_IA32_MISC_ENABLE, l1, l2);
- if (!(l1 & (1<<11)))
- set_cpu_cap(c, X86_FEATURE_BTS);
- if (!(l1 & (1<<12)))
- set_cpu_cap(c, X86_FEATURE_PEBS);
- }
-
-
- if (cpu_has_bts)
- ds_init_intel(c);
-
- n = c->extended_cpuid_level;
- if (n >= 0x80000008) {
- unsigned eax = cpuid_eax(0x80000008);
- c->x86_virt_bits = (eax >> 8) & 0xff;
- c->x86_phys_bits = eax & 0xff;
- /* CPUID workaround for Intel 0F34 CPU */
- if (c->x86_vendor == X86_VENDOR_INTEL &&
- c->x86 == 0xF && c->x86_model == 0x3 &&
- c->x86_mask == 0x4)
- c->x86_phys_bits = 36;
- }
-
- if (c->x86 == 15)
- c->x86_cache_alignment = c->x86_clflush_size * 2;
- if (c->x86 == 6)
- set_cpu_cap(c, X86_FEATURE_REP_GOOD);
- set_cpu_cap(c, X86_FEATURE_LFENCE_RDTSC);
- c->x86_max_cores = intel_num_cpu_cores(c);
-
- srat_detect_node();
-}
-
-static void __cpuinit early_init_centaur(struct cpuinfo_x86 *c)
-{
- if (c->x86 == 0x6 && c->x86_model >= 0xf)
- set_cpu_cap(c, X86_FEATURE_CONSTANT_TSC);
-}
-
-static void __cpuinit init_centaur(struct cpuinfo_x86 *c)
-{
- /* Cache sizes */
- unsigned n;
-
- n = c->extended_cpuid_level;
- if (n >= 0x80000008) {
- unsigned eax = cpuid_eax(0x80000008);
- c->x86_virt_bits = (eax >> 8) & 0xff;
- c->x86_phys_bits = eax & 0xff;
- }
-
- if (c->x86 == 0x6 && c->x86_model >= 0xf) {
- c->x86_cache_alignment = c->x86_clflush_size * 2;
- set_cpu_cap(c, X86_FEATURE_CONSTANT_TSC);
- set_cpu_cap(c, X86_FEATURE_REP_GOOD);
- }
- set_cpu_cap(c, X86_FEATURE_LFENCE_RDTSC);
-}
-
-static void __cpuinit get_cpu_vendor(struct cpuinfo_x86 *c)
-{
- char *v = c->x86_vendor_id;
-
- if (!strcmp(v, "AuthenticAMD"))
- c->x86_vendor = X86_VENDOR_AMD;
- else if (!strcmp(v, "GenuineIntel"))
- c->x86_vendor = X86_VENDOR_INTEL;
- else if (!strcmp(v, "CentaurHauls"))
- c->x86_vendor = X86_VENDOR_CENTAUR;
- else
- c->x86_vendor = X86_VENDOR_UNKNOWN;
-}
-
-/* Do some early cpuid on the boot CPU to get some parameter that are
- needed before check_bugs. Everything advanced is in identify_cpu
- below. */
-static void __cpuinit early_identify_cpu(struct cpuinfo_x86 *c)
-{
- u32 tfms, xlvl;
-
- c->loops_per_jiffy = loops_per_jiffy;
- c->x86_cache_size = -1;
- c->x86_vendor = X86_VENDOR_UNKNOWN;
- c->x86_model = c->x86_mask = 0; /* So far unknown... */
- c->x86_vendor_id[0] = '\0'; /* Unset */
- c->x86_model_id[0] = '\0'; /* Unset */
- c->x86_clflush_size = 64;
- c->x86_cache_alignment = c->x86_clflush_size;
- c->x86_max_cores = 1;
- c->x86_coreid_bits = 0;
- c->extended_cpuid_level = 0;
- memset(&c->x86_capability, 0, sizeof c->x86_capability);
-
- /* Get vendor name */
- cpuid(0x00000000, (unsigned int *)&c->cpuid_level,
- (unsigned int *)&c->x86_vendor_id[0],
- (unsigned int *)&c->x86_vendor_id[8],
- (unsigned int *)&c->x86_vendor_id[4]);
-
- get_cpu_vendor(c);
-
- /* Initialize the standard set of capabilities */
- /* Note that the vendor-specific code below might override */
-
- /* Intel-defined flags: level 0x00000001 */
- if (c->cpuid_level >= 0x00000001) {
- __u32 misc;
- cpuid(0x00000001, &tfms, &misc, &c->x86_capability[4],
- &c->x86_capability[0]);
- c->x86 = (tfms >> 8) & 0xf;
- c->x86_model = (tfms >> 4) & 0xf;
- c->x86_mask = tfms & 0xf;
- if (c->x86 == 0xf)
- c->x86 += (tfms >> 20) & 0xff;
- if (c->x86 >= 0x6)
- c->x86_model += ((tfms >> 16) & 0xF) << 4;
- if (test_cpu_cap(c, X86_FEATURE_CLFLSH))
- c->x86_clflush_size = ((misc >> 8) & 0xff) * 8;
- } else {
- /* Have CPUID level 0 only - unheard of */
- c->x86 = 4;
- }
-
- c->initial_apicid = (cpuid_ebx(1) >> 24) & 0xff;
-#ifdef CONFIG_SMP
- c->phys_proc_id = c->initial_apicid;
-#endif
- /* AMD-defined flags: level 0x80000001 */
- xlvl = cpuid_eax(0x80000000);
- c->extended_cpuid_level = xlvl;
- if ((xlvl & 0xffff0000) == 0x80000000) {
- if (xlvl >= 0x80000001) {
- c->x86_capability[1] = cpuid_edx(0x80000001);
- c->x86_capability[6] = cpuid_ecx(0x80000001);
- }
- if (xlvl >= 0x80000004)
- get_model_name(c); /* Default name */
- }
-
- /* Transmeta-defined flags: level 0x80860001 */
- xlvl = cpuid_eax(0x80860000);
- if ((xlvl & 0xffff0000) == 0x80860000) {
- /* Don't set x86_cpuid_level here for now to not confuse. */
- if (xlvl >= 0x80860001)
- c->x86_capability[2] = cpuid_edx(0x80860001);
- }
-
- c->extended_cpuid_level = cpuid_eax(0x80000000);
- if (c->extended_cpuid_level >= 0x80000007)
- c->x86_power = cpuid_edx(0x80000007);
-
- switch (c->x86_vendor) {
- case X86_VENDOR_AMD:
- early_init_amd(c);
- break;
- case X86_VENDOR_INTEL:
- early_init_intel(c);
- break;
- case X86_VENDOR_CENTAUR:
- early_init_centaur(c);
- break;
- }
-
- validate_pat_support(c);
-}
-
-/*
- * This does the hard work of actually picking apart the CPU stuff...
- */
-void __cpuinit identify_cpu(struct cpuinfo_x86 *c)
-{
- int i;
-
- early_identify_cpu(c);
-
- init_scattered_cpuid_features(c);
-
- c->apicid = phys_pkg_id(0);
-
- /*
- * Vendor-specific initialization. In this section we
- * canonicalize the feature flags, meaning if there are
- * features a certain CPU supports which CPUID doesn't
- * tell us, CPUID claiming incorrect flags, or other bugs,
- * we handle them here.
- *
- * At the end of this section, c->x86_capability better
- * indicate the features this CPU genuinely supports!
- */
- switch (c->x86_vendor) {
- case X86_VENDOR_AMD:
- init_amd(c);
- break;
-
- case X86_VENDOR_INTEL:
- init_intel(c);
- break;
-
- case X86_VENDOR_CENTAUR:
- init_centaur(c);
- break;
-
- case X86_VENDOR_UNKNOWN:
- default:
- display_cacheinfo(c);
- break;
- }
-
- detect_ht(c);
-
- /*
- * On SMP, boot_cpu_data holds the common feature set between
- * all CPUs; so make sure that we indicate which features are
- * common between the CPUs. The first time this routine gets
- * executed, c == &boot_cpu_data.
- */
- if (c != &boot_cpu_data) {
- /* AND the already accumulated flags with these */
- for (i = 0; i < NCAPINTS; i++)
- boot_cpu_data.x86_capability[i] &= c->x86_capability[i];
- }
-
- /* Clear all flags overriden by options */
- for (i = 0; i < NCAPINTS; i++)
- c->x86_capability[i] &= ~cleared_cpu_caps[i];
-
-#ifdef CONFIG_X86_MCE
- mcheck_init(c);
-#endif
- select_idle_routine(c);
-
-#ifdef CONFIG_NUMA
- numa_add_cpu(smp_processor_id());
-#endif
-
-}
-
-void __cpuinit identify_boot_cpu(void)
-{
- identify_cpu(&boot_cpu_data);
-}
-
-void __cpuinit identify_secondary_cpu(struct cpuinfo_x86 *c)
-{
- BUG_ON(c == &boot_cpu_data);
- identify_cpu(c);
- mtrr_ap_init();
-}
-
-static __init int setup_noclflush(char *arg)
-{
- setup_clear_cpu_cap(X86_FEATURE_CLFLSH);
- return 1;
-}
-__setup("noclflush", setup_noclflush);
-
-void __cpuinit print_cpu_info(struct cpuinfo_x86 *c)
-{
- if (c->x86_model_id[0])
- printk(KERN_CONT "%s", c->x86_model_id);
-
- if (c->x86_mask || c->cpuid_level >= 0)
- printk(KERN_CONT " stepping %02x\n", c->x86_mask);
- else
- printk(KERN_CONT "\n");
-}
-
-static __init int setup_disablecpuid(char *arg)
-{
- int bit;
- if (get_option(&arg, &bit) && bit < NCAPINTS*32)
- setup_clear_cpu_cap(bit);
- else
- return 0;
- return 1;
-}
-__setup("clearcpuid=", setup_disablecpuid);
diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c
new file mode 100644
index 00000000000..cac68430d31
--- /dev/null
+++ b/arch/x86/kernel/setup_percpu.c
@@ -0,0 +1,399 @@
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/bootmem.h>
+#include <linux/percpu.h>
+#include <linux/kexec.h>
+#include <linux/crash_dump.h>
+#include <asm/smp.h>
+#include <asm/percpu.h>
+#include <asm/sections.h>
+#include <asm/processor.h>
+#include <asm/setup.h>
+#include <asm/topology.h>
+#include <asm/mpspec.h>
+#include <asm/apicdef.h>
+#include <asm/highmem.h>
+
+#ifdef CONFIG_X86_LOCAL_APIC
+unsigned int num_processors;
+unsigned disabled_cpus __cpuinitdata;
+/* Processor that is doing the boot up */
+unsigned int boot_cpu_physical_apicid = -1U;
+unsigned int max_physical_apicid;
+EXPORT_SYMBOL(boot_cpu_physical_apicid);
+
+/* Bitmask of physically existing CPUs */
+physid_mask_t phys_cpu_present_map;
+#endif
+
+/* map cpu index to physical APIC ID */
+DEFINE_EARLY_PER_CPU(u16, x86_cpu_to_apicid, BAD_APICID);
+DEFINE_EARLY_PER_CPU(u16, x86_bios_cpu_apicid, BAD_APICID);
+EXPORT_EARLY_PER_CPU_SYMBOL(x86_cpu_to_apicid);
+EXPORT_EARLY_PER_CPU_SYMBOL(x86_bios_cpu_apicid);
+
+#if defined(CONFIG_NUMA) && defined(CONFIG_X86_64)
+#define X86_64_NUMA 1
+
+/* map cpu index to node index */
+DEFINE_EARLY_PER_CPU(int, x86_cpu_to_node_map, NUMA_NO_NODE);
+EXPORT_EARLY_PER_CPU_SYMBOL(x86_cpu_to_node_map);
+
+/* which logical CPUs are on which nodes */
+cpumask_t *node_to_cpumask_map;
+EXPORT_SYMBOL(node_to_cpumask_map);
+
+/* setup node_to_cpumask_map */
+static void __init setup_node_to_cpumask_map(void);
+
+#else
+static inline void setup_node_to_cpumask_map(void) { }
+#endif
+
+#if defined(CONFIG_HAVE_SETUP_PER_CPU_AREA) && defined(CONFIG_X86_SMP)
+/*
+ * Copy data used in early init routines from the initial arrays to the
+ * per cpu data areas. These arrays then become expendable and the
+ * *_early_ptr's are zeroed indicating that the static arrays are gone.
+ */
+static void __init setup_per_cpu_maps(void)
+{
+ int cpu;
+
+ for_each_possible_cpu(cpu) {
+ per_cpu(x86_cpu_to_apicid, cpu) =
+ early_per_cpu_map(x86_cpu_to_apicid, cpu);
+ per_cpu(x86_bios_cpu_apicid, cpu) =
+ early_per_cpu_map(x86_bios_cpu_apicid, cpu);
+#ifdef X86_64_NUMA
+ per_cpu(x86_cpu_to_node_map, cpu) =
+ early_per_cpu_map(x86_cpu_to_node_map, cpu);
+#endif
+ }
+
+ /* indicate the early static arrays will soon be gone */
+ early_per_cpu_ptr(x86_cpu_to_apicid) = NULL;
+ early_per_cpu_ptr(x86_bios_cpu_apicid) = NULL;
+#ifdef X86_64_NUMA
+ early_per_cpu_ptr(x86_cpu_to_node_map) = NULL;
+#endif
+}
+
+#ifdef CONFIG_HAVE_CPUMASK_OF_CPU_MAP
+cpumask_t *cpumask_of_cpu_map __read_mostly;
+EXPORT_SYMBOL(cpumask_of_cpu_map);
+
+/* requires nr_cpu_ids to be initialized */
+static void __init setup_cpumask_of_cpu(void)
+{
+ int i;
+
+ /* alloc_bootmem zeroes memory */
+ cpumask_of_cpu_map = alloc_bootmem_low(sizeof(cpumask_t) * nr_cpu_ids);
+ for (i = 0; i < nr_cpu_ids; i++)
+ cpu_set(i, cpumask_of_cpu_map[i]);
+}
+#else
+static inline void setup_cpumask_of_cpu(void) { }
+#endif
+
+#ifdef CONFIG_X86_32
+/*
+ * Great future not-so-futuristic plan: make i386 and x86_64 do it
+ * the same way
+ */
+unsigned long __per_cpu_offset[NR_CPUS] __read_mostly;
+EXPORT_SYMBOL(__per_cpu_offset);
+static inline void setup_cpu_pda_map(void) { }
+
+#elif !defined(CONFIG_SMP)
+static inline void setup_cpu_pda_map(void) { }
+
+#else /* CONFIG_SMP && CONFIG_X86_64 */
+
+/*
+ * Allocate cpu_pda pointer table and array via alloc_bootmem.
+ */
+static void __init setup_cpu_pda_map(void)
+{
+ char *pda;
+ struct x8664_pda **new_cpu_pda;
+ unsigned long size;
+ int cpu;
+
+ size = roundup(sizeof(struct x8664_pda), cache_line_size());
+
+ /* allocate cpu_pda array and pointer table */
+ {
+ unsigned long tsize = nr_cpu_ids * sizeof(void *);
+ unsigned long asize = size * (nr_cpu_ids - 1);
+
+ tsize = roundup(tsize, cache_line_size());
+ new_cpu_pda = alloc_bootmem(tsize + asize);
+ pda = (char *)new_cpu_pda + tsize;
+ }
+
+ /* initialize pointer table to static pda's */
+ for_each_possible_cpu(cpu) {
+ if (cpu == 0) {
+ /* leave boot cpu pda in place */
+ new_cpu_pda[0] = cpu_pda(0);
+ continue;
+ }
+ new_cpu_pda[cpu] = (struct x8664_pda *)pda;
+ new_cpu_pda[cpu]->in_bootmem = 1;
+ pda += size;
+ }
+
+ /* point to new pointer table */
+ _cpu_pda = new_cpu_pda;
+}
+#endif
+
+/*
+ * Great future plan:
+ * Declare PDA itself and support (irqstack,tss,pgd) as per cpu data.
+ * Always point %gs to its beginning
+ */
+void __init setup_per_cpu_areas(void)
+{
+ ssize_t size = PERCPU_ENOUGH_ROOM;
+ char *ptr;
+ int cpu;
+
+ /* Setup cpu_pda map */
+ setup_cpu_pda_map();
+
+ /* Copy section for each CPU (we discard the original) */
+ size = PERCPU_ENOUGH_ROOM;
+ printk(KERN_INFO "PERCPU: Allocating %zd bytes of per cpu data\n",
+ size);
+
+ for_each_possible_cpu(cpu) {
+#ifndef CONFIG_NEED_MULTIPLE_NODES
+ ptr = alloc_bootmem_pages(size);
+#else
+ int node = early_cpu_to_node(cpu);
+ if (!node_online(node) || !NODE_DATA(node)) {
+ ptr = alloc_bootmem_pages(size);
+ printk(KERN_INFO
+ "cpu %d has no node %d or node-local memory\n",
+ cpu, node);
+ }
+ else
+ ptr = alloc_bootmem_pages_node(NODE_DATA(node), size);
+#endif
+ per_cpu_offset(cpu) = ptr - __per_cpu_start;
+ memcpy(ptr, __per_cpu_start, __per_cpu_end - __per_cpu_start);
+
+ }
+
+ printk(KERN_DEBUG "NR_CPUS: %d, nr_cpu_ids: %d, nr_node_ids %d\n",
+ NR_CPUS, nr_cpu_ids, nr_node_ids);
+
+ /* Setup percpu data maps */
+ setup_per_cpu_maps();
+
+ /* Setup node to cpumask map */
+ setup_node_to_cpumask_map();
+
+ /* Setup cpumask_of_cpu map */
+ setup_cpumask_of_cpu();
+}
+
+#endif
+
+#ifdef X86_64_NUMA
+
+/*
+ * Allocate node_to_cpumask_map based on number of available nodes
+ * Requires node_possible_map to be valid.
+ *
+ * Note: node_to_cpumask() is not valid until after this is done.
+ */
+static void __init setup_node_to_cpumask_map(void)
+{
+ unsigned int node, num = 0;
+ cpumask_t *map;
+
+ /* setup nr_node_ids if not done yet */
+ if (nr_node_ids == MAX_NUMNODES) {
+ for_each_node_mask(node, node_possible_map)
+ num = node;
+ nr_node_ids = num + 1;
+ }
+
+ /* allocate the map */
+ map = alloc_bootmem_low(nr_node_ids * sizeof(cpumask_t));
+
+ Dprintk(KERN_DEBUG "Node to cpumask map at %p for %d nodes\n",
+ map, nr_node_ids);
+
+ /* node_to_cpumask() will now work */
+ node_to_cpumask_map = map;
+}
+
+void __cpuinit numa_set_node(int cpu, int node)
+{
+ int *cpu_to_node_map = early_per_cpu_ptr(x86_cpu_to_node_map);
+
+ if (cpu_pda(cpu) && node != NUMA_NO_NODE)
+ cpu_pda(cpu)->nodenumber = node;
+
+ if (cpu_to_node_map)
+ cpu_to_node_map[cpu] = node;
+
+ else if (per_cpu_offset(cpu))
+ per_cpu(x86_cpu_to_node_map, cpu) = node;
+
+ else
+ Dprintk(KERN_INFO "Setting node for non-present cpu %d\n", cpu);
+}
+
+void __cpuinit numa_clear_node(int cpu)
+{
+ numa_set_node(cpu, NUMA_NO_NODE);
+}
+
+#ifndef CONFIG_DEBUG_PER_CPU_MAPS
+
+void __cpuinit numa_add_cpu(int cpu)
+{
+ cpu_set(cpu, node_to_cpumask_map[early_cpu_to_node(cpu)]);
+}
+
+void __cpuinit numa_remove_cpu(int cpu)
+{
+ cpu_clear(cpu, node_to_cpumask_map[cpu_to_node(cpu)]);
+}
+
+#else /* CONFIG_DEBUG_PER_CPU_MAPS */
+
+/*
+ * --------- debug versions of the numa functions ---------
+ */
+static void __cpuinit numa_set_cpumask(int cpu, int enable)
+{
+ int node = cpu_to_node(cpu);
+ cpumask_t *mask;
+ char buf[64];
+
+ if (node_to_cpumask_map == NULL) {
+ printk(KERN_ERR "node_to_cpumask_map NULL\n");
+ dump_stack();
+ return;
+ }
+
+ mask = &node_to_cpumask_map[node];
+ if (enable)
+ cpu_set(cpu, *mask);
+ else
+ cpu_clear(cpu, *mask);
+
+ cpulist_scnprintf(buf, sizeof(buf), *mask);
+ printk(KERN_DEBUG "%s cpu %d node %d: mask now %s\n",
+ enable? "numa_add_cpu":"numa_remove_cpu", cpu, node, buf);
+ }
+
+void __cpuinit numa_add_cpu(int cpu)
+{
+ numa_set_cpumask(cpu, 1);
+}
+
+void __cpuinit numa_remove_cpu(int cpu)
+{
+ numa_set_cpumask(cpu, 0);
+}
+
+int cpu_to_node(int cpu)
+{
+ if (early_per_cpu_ptr(x86_cpu_to_node_map)) {
+ printk(KERN_WARNING
+ "cpu_to_node(%d): usage too early!\n", cpu);
+ dump_stack();
+ return early_per_cpu_ptr(x86_cpu_to_node_map)[cpu];
+ }
+ return per_cpu(x86_cpu_to_node_map, cpu);
+}
+EXPORT_SYMBOL(cpu_to_node);
+
+/*
+ * Same function as cpu_to_node() but used if called before the
+ * per_cpu areas are setup.
+ */
+int early_cpu_to_node(int cpu)
+{
+ if (early_per_cpu_ptr(x86_cpu_to_node_map))
+ return early_per_cpu_ptr(x86_cpu_to_node_map)[cpu];
+
+ if (!per_cpu_offset(cpu)) {
+ printk(KERN_WARNING
+ "early_cpu_to_node(%d): no per_cpu area!\n", cpu);
+ dump_stack();
+ return NUMA_NO_NODE;
+ }
+ return per_cpu(x86_cpu_to_node_map, cpu);
+}
+
+
+/* empty cpumask */
+static const cpumask_t cpu_mask_none;
+
+/*
+ * Returns a pointer to the bitmask of CPUs on Node 'node'.
+ */
+const cpumask_t *_node_to_cpumask_ptr(int node)
+{
+ if (node_to_cpumask_map == NULL) {
+ printk(KERN_WARNING
+ "_node_to_cpumask_ptr(%d): no node_to_cpumask_map!\n",
+ node);
+ dump_stack();
+ return (const cpumask_t *)&cpu_online_map;
+ }
+ if (node >= nr_node_ids) {
+ printk(KERN_WARNING
+ "_node_to_cpumask_ptr(%d): node > nr_node_ids(%d)\n",
+ node, nr_node_ids);
+ dump_stack();
+ return &cpu_mask_none;
+ }
+ return &node_to_cpumask_map[node];
+}
+EXPORT_SYMBOL(_node_to_cpumask_ptr);
+
+/*
+ * Returns a bitmask of CPUs on Node 'node'.
+ *
+ * Side note: this function creates the returned cpumask on the stack
+ * so with a high NR_CPUS count, excessive stack space is used. The
+ * node_to_cpumask_ptr function should be used whenever possible.
+ */
+cpumask_t node_to_cpumask(int node)
+{
+ if (node_to_cpumask_map == NULL) {
+ printk(KERN_WARNING
+ "node_to_cpumask(%d): no node_to_cpumask_map!\n", node);
+ dump_stack();
+ return cpu_online_map;
+ }
+ if (node >= nr_node_ids) {
+ printk(KERN_WARNING
+ "node_to_cpumask(%d): node > nr_node_ids(%d)\n",
+ node, nr_node_ids);
+ dump_stack();
+ return cpu_mask_none;
+ }
+ return node_to_cpumask_map[node];
+}
+EXPORT_SYMBOL(node_to_cpumask);
+
+/*
+ * --------- end of debug versions of the numa functions ---------
+ */
+
+#endif /* CONFIG_DEBUG_PER_CPU_MAPS */
+
+#endif /* X86_64_NUMA */
+
diff --git a/arch/x86/kernel/smp.c b/arch/x86/kernel/smp.c
index 0cb7aadc87c..361b7a4c640 100644
--- a/arch/x86/kernel/smp.c
+++ b/arch/x86/kernel/smp.c
@@ -121,132 +121,23 @@ static void native_smp_send_reschedule(int cpu)
send_IPI_mask(cpumask_of_cpu(cpu), RESCHEDULE_VECTOR);
}
-/*
- * Structure and data for smp_call_function(). This is designed to minimise
- * static memory requirements. It also looks cleaner.
- */
-static DEFINE_SPINLOCK(call_lock);
-
-struct call_data_struct {
- void (*func) (void *info);
- void *info;
- atomic_t started;
- atomic_t finished;
- int wait;
-};
-
-void lock_ipi_call_lock(void)
+void native_send_call_func_single_ipi(int cpu)
{
- spin_lock_irq(&call_lock);
-}
-
-void unlock_ipi_call_lock(void)
-{
- spin_unlock_irq(&call_lock);
-}
-
-static struct call_data_struct *call_data;
-
-static void __smp_call_function(void (*func) (void *info), void *info,
- int nonatomic, int wait)
-{
- struct call_data_struct data;
- int cpus = num_online_cpus() - 1;
-
- if (!cpus)
- return;
-
- data.func = func;
- data.info = info;
- atomic_set(&data.started, 0);
- data.wait = wait;
- if (wait)
- atomic_set(&data.finished, 0);
-
- call_data = &data;
- mb();
-
- /* Send a message to all other CPUs and wait for them to respond */
- send_IPI_allbutself(CALL_FUNCTION_VECTOR);
-
- /* Wait for response */
- while (atomic_read(&data.started) != cpus)
- cpu_relax();
-
- if (wait)
- while (atomic_read(&data.finished) != cpus)
- cpu_relax();
+ send_IPI_mask(cpumask_of_cpu(cpu), CALL_FUNCTION_SINGLE_VECTOR);
}
-
-/**
- * smp_call_function_mask(): Run a function on a set of other CPUs.
- * @mask: The set of cpus to run on. Must not include the current cpu.
- * @func: The function to run. This must be fast and non-blocking.
- * @info: An arbitrary pointer to pass to the function.
- * @wait: If true, wait (atomically) until function has completed on other CPUs.
- *
- * Returns 0 on success, else a negative status code.
- *
- * If @wait is true, then returns once @func has returned; otherwise
- * it returns just before the target cpu calls @func.
- *
- * You must not call this function with disabled interrupts or from a
- * hardware interrupt handler or from a bottom half handler.
- */
-static int
-native_smp_call_function_mask(cpumask_t mask,
- void (*func)(void *), void *info,
- int wait)
+void native_send_call_func_ipi(cpumask_t mask)
{
- struct call_data_struct data;
cpumask_t allbutself;
- int cpus;
-
- /* Can deadlock when called with interrupts disabled */
- WARN_ON(irqs_disabled());
-
- /* Holding any lock stops cpus from going down. */
- spin_lock(&call_lock);
allbutself = cpu_online_map;
cpu_clear(smp_processor_id(), allbutself);
- cpus_and(mask, mask, allbutself);
- cpus = cpus_weight(mask);
-
- if (!cpus) {
- spin_unlock(&call_lock);
- return 0;
- }
-
- data.func = func;
- data.info = info;
- atomic_set(&data.started, 0);
- data.wait = wait;
- if (wait)
- atomic_set(&data.finished, 0);
-
- call_data = &data;
- wmb();
-
- /* Send a message to other CPUs */
if (cpus_equal(mask, allbutself) &&
cpus_equal(cpu_online_map, cpu_callout_map))
send_IPI_allbutself(CALL_FUNCTION_VECTOR);
else
send_IPI_mask(mask, CALL_FUNCTION_VECTOR);
-
- /* Wait for response */
- while (atomic_read(&data.started) != cpus)
- cpu_relax();
-
- if (wait)
- while (atomic_read(&data.finished) != cpus)
- cpu_relax();
- spin_unlock(&call_lock);
-
- return 0;
}
static void stop_this_cpu(void *dummy)
@@ -268,18 +159,13 @@ static void stop_this_cpu(void *dummy)
static void native_smp_send_stop(void)
{
- int nolock;
unsigned long flags;
if (reboot_force)
return;
- /* Don't deadlock on the call lock in panic */
- nolock = !spin_trylock(&call_lock);
+ smp_call_function(stop_this_cpu, NULL, 0);
local_irq_save(flags);
- __smp_call_function(stop_this_cpu, NULL, 0, 0);
- if (!nolock)
- spin_unlock(&call_lock);
disable_local_APIC();
local_irq_restore(flags);
}
@@ -301,33 +187,28 @@ void smp_reschedule_interrupt(struct pt_regs *regs)
void smp_call_function_interrupt(struct pt_regs *regs)
{
- void (*func) (void *info) = call_data->func;
- void *info = call_data->info;
- int wait = call_data->wait;
-
ack_APIC_irq();
- /*
- * Notify initiating CPU that I've grabbed the data and am
- * about to execute the function
- */
- mb();
- atomic_inc(&call_data->started);
- /*
- * At this point the info structure may be out of scope unless wait==1
- */
irq_enter();
- (*func)(info);
+ generic_smp_call_function_interrupt();
#ifdef CONFIG_X86_32
__get_cpu_var(irq_stat).irq_call_count++;
#else
add_pda(irq_call_count, 1);
#endif
irq_exit();
+}
- if (wait) {
- mb();
- atomic_inc(&call_data->finished);
- }
+void smp_call_function_single_interrupt(struct pt_regs *regs)
+{
+ ack_APIC_irq();
+ irq_enter();
+ generic_smp_call_function_single_interrupt();
+#ifdef CONFIG_X86_32
+ __get_cpu_var(irq_stat).irq_call_count++;
+#else
+ add_pda(irq_call_count, 1);
+#endif
+ irq_exit();
}
struct smp_ops smp_ops = {
@@ -338,7 +219,8 @@ struct smp_ops smp_ops = {
.smp_send_stop = native_smp_send_stop,
.smp_send_reschedule = native_smp_send_reschedule,
- .smp_call_function_mask = native_smp_call_function_mask,
+
+ .send_call_func_ipi = native_send_call_func_ipi,
+ .send_call_func_single_ipi = native_send_call_func_single_ipi,
};
EXPORT_SYMBOL_GPL(smp_ops);
-
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 197300bfebd..09b98cd6332 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -59,7 +59,6 @@
#include <asm/pgtable.h>
#include <asm/tlbflush.h>
#include <asm/mtrr.h>
-#include <asm/nmi.h>
#include <asm/vmi.h>
#include <asm/genapic.h>
#include <linux/mc146818rtc.h>
@@ -68,22 +67,6 @@
#include <mach_wakecpu.h>
#include <smpboot_hooks.h>
-/*
- * FIXME: For x86_64, those are defined in other files. But moving them here,
- * would make the setup areas dependent on smp, which is a loss. When we
- * integrate apic between arches, we can probably do a better job, but
- * right now, they'll stay here -- glommer
- */
-
-/* which logical CPU number maps to which CPU (physical APIC ID) */
-u16 x86_cpu_to_apicid_init[NR_CPUS] __initdata =
- { [0 ... NR_CPUS-1] = BAD_APICID };
-void *x86_cpu_to_apicid_early_ptr;
-
-u16 x86_bios_cpu_apicid_init[NR_CPUS] __initdata
- = { [0 ... NR_CPUS-1] = BAD_APICID };
-void *x86_bios_cpu_apicid_early_ptr;
-
#ifdef CONFIG_X86_32
u8 apicid_2_node[MAX_APICID];
static int low_mappings;
@@ -198,13 +181,12 @@ static void map_cpu_to_logical_apicid(void)
map_cpu_to_node(cpu, node);
}
-static void unmap_cpu_to_logical_apicid(int cpu)
+void numa_remove_cpu(int cpu)
{
cpu_2_logical_apicid[cpu] = BAD_APICID;
unmap_cpu_to_node(cpu);
}
#else
-#define unmap_cpu_to_logical_apicid(cpu) do {} while (0)
#define map_cpu_to_logical_apicid() do {} while (0)
#endif
@@ -345,19 +327,12 @@ static void __cpuinit start_secondary(void *unused)
* lock helps us to not include this cpu in a currently in progress
* smp_call_function().
*/
- lock_ipi_call_lock();
-#ifdef CONFIG_X86_64
- spin_lock(&vector_lock);
-
- /* Setup the per cpu irq handling data structures */
- __setup_vector_irq(smp_processor_id());
- /*
- * Allow the master to continue.
- */
- spin_unlock(&vector_lock);
+ ipi_call_lock_irq();
+#ifdef CONFIG_X86_IO_APIC
+ setup_vector_irq(smp_processor_id());
#endif
cpu_set(smp_processor_id(), cpu_online_map);
- unlock_ipi_call_lock();
+ ipi_call_unlock_irq();
per_cpu(cpu_state, smp_processor_id()) = CPU_ONLINE;
setup_secondary_clock();
@@ -366,31 +341,8 @@ static void __cpuinit start_secondary(void *unused)
cpu_idle();
}
-#ifdef CONFIG_X86_32
-/*
- * Everything has been set up for the secondary
- * CPUs - they just need to reload everything
- * from the task structure
- * This function must not return.
- */
-void __devinit initialize_secondary(void)
-{
- /*
- * We don't actually need to load the full TSS,
- * basically just the stack pointer and the ip.
- */
-
- asm volatile(
- "movl %0,%%esp\n\t"
- "jmp *%1"
- :
- :"m" (current->thread.sp), "m" (current->thread.ip));
-}
-#endif
-
static void __cpuinit smp_apply_quirks(struct cpuinfo_x86 *c)
{
-#ifdef CONFIG_X86_32
/*
* Mask B, Pentium, but not Pentium MMX
*/
@@ -440,7 +392,6 @@ static void __cpuinit smp_apply_quirks(struct cpuinfo_x86 *c)
valid_k7:
;
-#endif
}
static void __cpuinit smp_checks(void)
@@ -555,23 +506,6 @@ cpumask_t cpu_coregroup_map(int cpu)
return c->llc_shared_map;
}
-#ifdef CONFIG_X86_32
-/*
- * We are called very early to get the low memory for the
- * SMP bootup trampoline page.
- */
-void __init smp_alloc_memory(void)
-{
- trampoline_base = alloc_bootmem_low_pages(PAGE_SIZE);
- /*
- * Has to be in very low memory so we can execute
- * real-mode AP code.
- */
- if (__pa(trampoline_base) >= 0x9F000)
- BUG();
-}
-#endif
-
static void impress_friends(void)
{
int cpu;
@@ -748,11 +682,7 @@ wakeup_secondary_cpu(int phys_apicid, unsigned long start_eip)
* target processor state.
*/
startup_ipi_hook(phys_apicid, (unsigned long) start_secondary,
-#ifdef CONFIG_X86_64
- (unsigned long)init_rsp);
-#else
(unsigned long)stack_start.sp);
-#endif
/*
* Run STARTUP IPI loop.
@@ -832,6 +762,45 @@ static void __cpuinit do_fork_idle(struct work_struct *work)
complete(&c_idle->done);
}
+#ifdef CONFIG_X86_64
+/*
+ * Allocate node local memory for the AP pda.
+ *
+ * Must be called after the _cpu_pda pointer table is initialized.
+ */
+static int __cpuinit get_local_pda(int cpu)
+{
+ struct x8664_pda *oldpda, *newpda;
+ unsigned long size = sizeof(struct x8664_pda);
+ int node = cpu_to_node(cpu);
+
+ if (cpu_pda(cpu) && !cpu_pda(cpu)->in_bootmem)
+ return 0;
+
+ oldpda = cpu_pda(cpu);
+ newpda = kmalloc_node(size, GFP_ATOMIC, node);
+ if (!newpda) {
+ printk(KERN_ERR "Could not allocate node local PDA "
+ "for CPU %d on node %d\n", cpu, node);
+
+ if (oldpda)
+ return 0; /* have a usable pda */
+ else
+ return -1;
+ }
+
+ if (oldpda) {
+ memcpy(newpda, oldpda, size);
+ if (!after_bootmem)
+ free_bootmem((unsigned long)oldpda, size);
+ }
+
+ newpda->in_bootmem = 0;
+ cpu_pda(cpu) = newpda;
+ return 0;
+}
+#endif /* CONFIG_X86_64 */
+
static int __cpuinit do_boot_cpu(int apicid, int cpu)
/*
* NOTE - on most systems this is a PHYSICAL apic ID, but on multiquad
@@ -848,28 +817,14 @@ static int __cpuinit do_boot_cpu(int apicid, int cpu)
.done = COMPLETION_INITIALIZER_ONSTACK(c_idle.done),
};
INIT_WORK(&c_idle.work, do_fork_idle);
-#ifdef CONFIG_X86_64
- /* allocate memory for gdts of secondary cpus. Hotplug is considered */
- if (!cpu_gdt_descr[cpu].address &&
- !(cpu_gdt_descr[cpu].address = get_zeroed_page(GFP_KERNEL))) {
- printk(KERN_ERR "Failed to allocate GDT for CPU %d\n", cpu);
- return -1;
- }
+#ifdef CONFIG_X86_64
/* Allocate node local memory for AP pdas */
- if (cpu_pda(cpu) == &boot_cpu_pda[cpu]) {
- struct x8664_pda *newpda, *pda;
- int node = cpu_to_node(cpu);
- pda = cpu_pda(cpu);
- newpda = kmalloc_node(sizeof(struct x8664_pda), GFP_ATOMIC,
- node);
- if (newpda) {
- memcpy(newpda, pda, sizeof(struct x8664_pda));
- cpu_pda(cpu) = newpda;
- } else
- printk(KERN_ERR
- "Could not allocate node local PDA for CPU %d on node %d\n",
- cpu, node);
+ if (cpu > 0) {
+ boot_error = get_local_pda(cpu);
+ if (boot_error)
+ goto restore_state;
+ /* if can't get pda memory, can't start cpu */
}
#endif
@@ -905,18 +860,15 @@ do_rest:
#ifdef CONFIG_X86_32
per_cpu(current_task, cpu) = c_idle.idle;
init_gdt(cpu);
- early_gdt_descr.address = (unsigned long)get_cpu_gdt_table(cpu);
- c_idle.idle->thread.ip = (unsigned long) start_secondary;
/* Stack for startup_32 can be just as for start_secondary onwards */
- stack_start.sp = (void *) c_idle.idle->thread.sp;
irq_ctx_init(cpu);
#else
cpu_pda(cpu)->pcurrent = c_idle.idle;
- init_rsp = c_idle.idle->thread.sp;
- load_sp0(&per_cpu(init_tss, cpu), &c_idle.idle->thread);
- initial_code = (unsigned long)start_secondary;
clear_tsk_thread_flag(c_idle.idle, TIF_FORK);
#endif
+ early_gdt_descr.address = (unsigned long)get_cpu_gdt_table(cpu);
+ initial_code = (unsigned long)start_secondary;
+ stack_start.sp = (void *) c_idle.idle->thread.sp;
/* start_ip had better be page-aligned! */
start_ip = setup_trampoline();
@@ -987,13 +939,12 @@ do_rest:
inquire_remote_apic(apicid);
}
}
-
- if (boot_error) {
- /* Try to put things back the way they were before ... */
- unmap_cpu_to_logical_apicid(cpu);
#ifdef CONFIG_X86_64
- clear_node_cpumask(cpu); /* was set by numa_add_cpu */
+restore_state:
#endif
+ if (boot_error) {
+ /* Try to put things back the way they were before ... */
+ numa_remove_cpu(cpu); /* was set by numa_add_cpu */
cpu_clear(cpu, cpu_callout_map); /* was set by do_boot_cpu() */
cpu_clear(cpu, cpu_initialized); /* was set by cpu_init() */
cpu_clear(cpu, cpu_present_map);
@@ -1087,14 +1038,12 @@ static __init void disable_smp(void)
{
cpu_present_map = cpumask_of_cpu(0);
cpu_possible_map = cpumask_of_cpu(0);
-#ifdef CONFIG_X86_32
smpboot_clear_io_apic_irqs();
-#endif
+
if (smp_found_config)
- phys_cpu_present_map =
- physid_mask_of_physid(boot_cpu_physical_apicid);
+ physid_set_mask_of_physid(boot_cpu_physical_apicid, &phys_cpu_present_map);
else
- phys_cpu_present_map = physid_mask_of_physid(0);
+ physid_set_mask_of_physid(0, &phys_cpu_present_map);
map_cpu_to_logical_apicid();
cpu_set(0, per_cpu(cpu_sibling_map, 0));
cpu_set(0, per_cpu(cpu_core_map, 0));
@@ -1157,12 +1106,12 @@ static int __init smp_sanity_check(unsigned max_cpus)
* If SMP should be disabled, then really disable it!
*/
if (!max_cpus) {
- printk(KERN_INFO "SMP mode deactivated,"
- "forcing use of dummy APIC emulation.\n");
+ printk(KERN_INFO "SMP mode deactivated.\n");
smpboot_clear_io_apic();
-#ifdef CONFIG_X86_32
+
+ localise_nmi_watchdog();
+
connect_bsp_APIC();
-#endif
setup_local_APIC();
end_local_APIC_setup();
return -1;
@@ -1190,7 +1139,6 @@ static void __init smp_cpu_index_default(void)
void __init native_smp_prepare_cpus(unsigned int max_cpus)
{
preempt_disable();
- nmi_watchdog_default();
smp_cpu_index_default();
current_cpu_data = boot_cpu_data;
cpu_callin_map = cpumask_of_cpu(0);
@@ -1217,9 +1165,8 @@ void __init native_smp_prepare_cpus(unsigned int max_cpus)
}
preempt_enable();
-#ifdef CONFIG_X86_32
connect_bsp_APIC();
-#endif
+
/*
* Switch from PIC to APIC mode.
*/
@@ -1257,8 +1204,8 @@ void __init native_smp_prepare_boot_cpu(void)
int me = smp_processor_id();
#ifdef CONFIG_X86_32
init_gdt(me);
- switch_to_new_gdt();
#endif
+ switch_to_new_gdt();
/* already set me in cpu_online_map in boot_cpu_init() */
cpu_set(me, cpu_callout_map);
per_cpu(cpu_state, me) = CPU_ONLINE;
@@ -1278,23 +1225,6 @@ void __init native_smp_cpus_done(unsigned int max_cpus)
#ifdef CONFIG_HOTPLUG_CPU
-# ifdef CONFIG_X86_32
-void cpu_exit_clear(void)
-{
- int cpu = raw_smp_processor_id();
-
- idle_task_exit();
-
- cpu_uninit();
- irq_ctx_exit(cpu);
-
- cpu_clear(cpu, cpu_callout_map);
- cpu_clear(cpu, cpu_callin_map);
-
- unmap_cpu_to_logical_apicid(cpu);
-}
-# endif /* CONFIG_X86_32 */
-
static void remove_siblinginfo(int cpu)
{
int sibling;
@@ -1348,12 +1278,20 @@ __init void prefill_possible_map(void)
int i;
int possible;
+ /* no processor from mptable or madt */
+ if (!num_processors)
+ num_processors = 1;
+
+#ifdef CONFIG_HOTPLUG_CPU
if (additional_cpus == -1) {
if (disabled_cpus > 0)
additional_cpus = disabled_cpus;
else
additional_cpus = 0;
}
+#else
+ additional_cpus = 0;
+#endif
possible = num_processors + additional_cpus;
if (possible > NR_CPUS)
possible = NR_CPUS;
@@ -1363,18 +1301,18 @@ __init void prefill_possible_map(void)
for (i = 0; i < possible; i++)
cpu_set(i, cpu_possible_map);
+
+ nr_cpu_ids = possible;
}
static void __ref remove_cpu_from_maps(int cpu)
{
cpu_clear(cpu, cpu_online_map);
-#ifdef CONFIG_X86_64
cpu_clear(cpu, cpu_callout_map);
cpu_clear(cpu, cpu_callin_map);
/* was set by cpu_init() */
clear_bit(cpu, (unsigned long *)&cpu_initialized);
- clear_node_cpumask(cpu);
-#endif
+ numa_remove_cpu(cpu);
}
int __cpu_disable(void)
diff --git a/arch/x86/kernel/smpcommon.c b/arch/x86/kernel/smpcommon.c
index 3449064d141..99941b37eca 100644
--- a/arch/x86/kernel/smpcommon.c
+++ b/arch/x86/kernel/smpcommon.c
@@ -25,59 +25,3 @@ __cpuinit void init_gdt(int cpu)
per_cpu(cpu_number, cpu) = cpu;
}
#endif
-
-/**
- * smp_call_function(): Run a function on all other CPUs.
- * @func: The function to run. This must be fast and non-blocking.
- * @info: An arbitrary pointer to pass to the function.
- * @nonatomic: Unused.
- * @wait: If true, wait (atomically) until function has completed on other CPUs.
- *
- * Returns 0 on success, else a negative status code.
- *
- * If @wait is true, then returns once @func has returned; otherwise
- * it returns just before the target cpu calls @func.
- *
- * You must not call this function with disabled interrupts or from a
- * hardware interrupt handler or from a bottom half handler.
- */
-int smp_call_function(void (*func) (void *info), void *info, int nonatomic,
- int wait)
-{
- return smp_call_function_mask(cpu_online_map, func, info, wait);
-}
-EXPORT_SYMBOL(smp_call_function);
-
-/**
- * smp_call_function_single - Run a function on a specific CPU
- * @cpu: The target CPU. Cannot be the calling CPU.
- * @func: The function to run. This must be fast and non-blocking.
- * @info: An arbitrary pointer to pass to the function.
- * @nonatomic: Unused.
- * @wait: If true, wait until function has completed on other CPUs.
- *
- * Returns 0 on success, else a negative status code.
- *
- * If @wait is true, then returns once @func has returned; otherwise
- * it returns just before the target cpu calls @func.
- */
-int smp_call_function_single(int cpu, void (*func) (void *info), void *info,
- int nonatomic, int wait)
-{
- /* prevent preemption and reschedule on another processor */
- int ret;
- int me = get_cpu();
- if (cpu == me) {
- local_irq_disable();
- func(info);
- local_irq_enable();
- put_cpu();
- return 0;
- }
-
- ret = smp_call_function_mask(cpumask_of_cpu(cpu), func, info, wait);
-
- put_cpu();
- return ret;
-}
-EXPORT_SYMBOL(smp_call_function_single);
diff --git a/arch/x86/kernel/stacktrace.c b/arch/x86/kernel/stacktrace.c
index c28c342c162..a03e7f6d90c 100644
--- a/arch/x86/kernel/stacktrace.c
+++ b/arch/x86/kernel/stacktrace.c
@@ -74,6 +74,7 @@ void save_stack_trace(struct stack_trace *trace)
if (trace->nr_entries < trace->max_entries)
trace->entries[trace->nr_entries++] = ULONG_MAX;
}
+EXPORT_SYMBOL_GPL(save_stack_trace);
void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace)
{
@@ -81,3 +82,4 @@ void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace)
if (trace->nr_entries < trace->max_entries)
trace->entries[trace->nr_entries++] = ULONG_MAX;
}
+EXPORT_SYMBOL_GPL(save_stack_trace_tsk);
diff --git a/arch/x86/kernel/summit_32.c b/arch/x86/kernel/summit_32.c
index ae751094eba..d67ce5f044b 100644
--- a/arch/x86/kernel/summit_32.c
+++ b/arch/x86/kernel/summit_32.c
@@ -36,7 +36,9 @@ static struct rio_table_hdr *rio_table_hdr __initdata;
static struct scal_detail *scal_devs[MAX_NUMNODES] __initdata;
static struct rio_detail *rio_devs[MAX_NUMNODES*4] __initdata;
+#ifndef CONFIG_X86_NUMAQ
static int mp_bus_id_to_node[MAX_MP_BUSSES] __initdata;
+#endif
static int __init setup_pci_node_map_for_wpeg(int wpeg_num, int last_bus)
{
diff --git a/arch/x86/kernel/sys_i386_32.c b/arch/x86/kernel/sys_i386_32.c
index d2ab52cc1d6..7066cb855a6 100644
--- a/arch/x86/kernel/sys_i386_32.c
+++ b/arch/x86/kernel/sys_i386_32.c
@@ -19,8 +19,8 @@
#include <linux/utsname.h>
#include <linux/ipc.h>
-#include <asm/uaccess.h>
-#include <asm/unistd.h>
+#include <linux/uaccess.h>
+#include <linux/unistd.h>
asmlinkage long sys_mmap2(unsigned long addr, unsigned long len,
unsigned long prot, unsigned long flags,
@@ -103,7 +103,7 @@ asmlinkage int old_select(struct sel_arg_struct __user *arg)
*
* This is really horribly ugly.
*/
-asmlinkage int sys_ipc (uint call, int first, int second,
+asmlinkage int sys_ipc(uint call, int first, int second,
int third, void __user *ptr, long fifth)
{
int version, ret;
@@ -113,24 +113,24 @@ asmlinkage int sys_ipc (uint call, int first, int second,
switch (call) {
case SEMOP:
- return sys_semtimedop (first, (struct sembuf __user *)ptr, second, NULL);
+ return sys_semtimedop(first, (struct sembuf __user *)ptr, second, NULL);
case SEMTIMEDOP:
return sys_semtimedop(first, (struct sembuf __user *)ptr, second,
(const struct timespec __user *)fifth);
case SEMGET:
- return sys_semget (first, second, third);
+ return sys_semget(first, second, third);
case SEMCTL: {
union semun fourth;
if (!ptr)
return -EINVAL;
if (get_user(fourth.__pad, (void __user * __user *) ptr))
return -EFAULT;
- return sys_semctl (first, second, third, fourth);
+ return sys_semctl(first, second, third, fourth);
}
case MSGSND:
- return sys_msgsnd (first, (struct msgbuf __user *) ptr,
+ return sys_msgsnd(first, (struct msgbuf __user *) ptr,
second, third);
case MSGRCV:
switch (version) {
@@ -138,45 +138,45 @@ asmlinkage int sys_ipc (uint call, int first, int second,
struct ipc_kludge tmp;
if (!ptr)
return -EINVAL;
-
+
if (copy_from_user(&tmp,
- (struct ipc_kludge __user *) ptr,
- sizeof (tmp)))
+ (struct ipc_kludge __user *) ptr,
+ sizeof(tmp)))
return -EFAULT;
- return sys_msgrcv (first, tmp.msgp, second,
+ return sys_msgrcv(first, tmp.msgp, second,
tmp.msgtyp, third);
}
default:
- return sys_msgrcv (first,
+ return sys_msgrcv(first,
(struct msgbuf __user *) ptr,
second, fifth, third);
}
case MSGGET:
- return sys_msgget ((key_t) first, second);
+ return sys_msgget((key_t) first, second);
case MSGCTL:
- return sys_msgctl (first, second, (struct msqid_ds __user *) ptr);
+ return sys_msgctl(first, second, (struct msqid_ds __user *) ptr);
case SHMAT:
switch (version) {
default: {
ulong raddr;
- ret = do_shmat (first, (char __user *) ptr, second, &raddr);
+ ret = do_shmat(first, (char __user *) ptr, second, &raddr);
if (ret)
return ret;
- return put_user (raddr, (ulong __user *) third);
+ return put_user(raddr, (ulong __user *) third);
}
case 1: /* iBCS2 emulator entry point */
if (!segment_eq(get_fs(), get_ds()))
return -EINVAL;
/* The "(ulong *) third" is valid _only_ because of the kernel segment thing */
- return do_shmat (first, (char __user *) ptr, second, (ulong *) third);
+ return do_shmat(first, (char __user *) ptr, second, (ulong *) third);
}
- case SHMDT:
- return sys_shmdt ((char __user *)ptr);
+ case SHMDT:
+ return sys_shmdt((char __user *)ptr);
case SHMGET:
- return sys_shmget (first, second, third);
+ return sys_shmget(first, second, third);
case SHMCTL:
- return sys_shmctl (first, second,
+ return sys_shmctl(first, second,
(struct shmid_ds __user *) ptr);
default:
return -ENOSYS;
@@ -186,28 +186,28 @@ asmlinkage int sys_ipc (uint call, int first, int second,
/*
* Old cruft
*/
-asmlinkage int sys_uname(struct old_utsname __user * name)
+asmlinkage int sys_uname(struct old_utsname __user *name)
{
int err;
if (!name)
return -EFAULT;
down_read(&uts_sem);
- err = copy_to_user(name, utsname(), sizeof (*name));
+ err = copy_to_user(name, utsname(), sizeof(*name));
up_read(&uts_sem);
- return err?-EFAULT:0;
+ return err? -EFAULT:0;
}
-asmlinkage int sys_olduname(struct oldold_utsname __user * name)
+asmlinkage int sys_olduname(struct oldold_utsname __user *name)
{
int error;
if (!name)
return -EFAULT;
- if (!access_ok(VERIFY_WRITE,name,sizeof(struct oldold_utsname)))
+ if (!access_ok(VERIFY_WRITE, name, sizeof(struct oldold_utsname)))
return -EFAULT;
-
- down_read(&uts_sem);
-
+
+ down_read(&uts_sem);
+
error = __copy_to_user(&name->sysname, &utsname()->sysname,
__OLD_UTS_LEN);
error |= __put_user(0, name->sysname + __OLD_UTS_LEN);
@@ -223,9 +223,9 @@ asmlinkage int sys_olduname(struct oldold_utsname __user * name)
error |= __copy_to_user(&name->machine, &utsname()->machine,
__OLD_UTS_LEN);
error |= __put_user(0, name->machine + __OLD_UTS_LEN);
-
+
up_read(&uts_sem);
-
+
error = error ? -EFAULT : 0;
return error;
@@ -241,6 +241,6 @@ int kernel_execve(const char *filename, char *const argv[], char *const envp[])
long __res;
asm volatile ("push %%ebx ; movl %2,%%ebx ; int $0x80 ; pop %%ebx"
: "=a" (__res)
- : "0" (__NR_execve),"ri" (filename),"c" (argv), "d" (envp) : "memory");
+ : "0" (__NR_execve), "ri" (filename), "c" (argv), "d" (envp) : "memory");
return __res;
}
diff --git a/arch/x86/kernel/time_32.c b/arch/x86/kernel/time_32.c
index 2ff21f39893..059ca6ee59b 100644
--- a/arch/x86/kernel/time_32.c
+++ b/arch/x86/kernel/time_32.c
@@ -39,9 +39,6 @@
#include "do_timer.h"
-unsigned int cpu_khz; /* Detected as we calibrate the TSC */
-EXPORT_SYMBOL(cpu_khz);
-
int timer_ack;
unsigned long profile_pc(struct pt_regs *regs)
@@ -84,8 +81,7 @@ irqreturn_t timer_interrupt(int irq, void *dev_id)
if (timer_ack) {
/*
* Subtle, when I/O APICs are used we have to ack timer IRQ
- * manually to reset the IRR bit for do_slow_gettimeoffset().
- * This will also deassert NMI lines for the watchdog if run
+ * manually to deassert NMI lines for the watchdog if run
* on an 82489DX-based system.
*/
spin_lock(&i8259A_lock);
diff --git a/arch/x86/kernel/time_64.c b/arch/x86/kernel/time_64.c
index c737849e2ef..e3d49c553af 100644
--- a/arch/x86/kernel/time_64.c
+++ b/arch/x86/kernel/time_64.c
@@ -56,7 +56,7 @@ static irqreturn_t timer_event_interrupt(int irq, void *dev_id)
/* calibrate_cpu is used on systems with fixed rate TSCs to determine
* processor frequency */
#define TICK_COUNT 100000000
-unsigned long __init native_calculate_cpu_khz(void)
+unsigned long __init calibrate_cpu(void)
{
int tsc_start, tsc_now;
int i, no_ctr_free;
@@ -116,23 +116,11 @@ void __init hpet_time_init(void)
void __init time_init(void)
{
- tsc_calibrate();
-
- cpu_khz = tsc_khz;
- if (cpu_has(&boot_cpu_data, X86_FEATURE_CONSTANT_TSC) &&
- (boot_cpu_data.x86_vendor == X86_VENDOR_AMD))
- cpu_khz = calculate_cpu_khz();
-
- if (unsynchronized_tsc())
- mark_tsc_unstable("TSCs unsynchronized");
-
+ tsc_init();
if (cpu_has(&boot_cpu_data, X86_FEATURE_RDTSCP))
vgetcpu_mode = VGETCPU_RDTSCP;
else
vgetcpu_mode = VGETCPU_LSL;
- printk(KERN_INFO "time.c: Detected %d.%03d MHz processor.\n",
- cpu_khz / 1000, cpu_khz % 1000);
- init_tsc_clocksource();
late_time_init = choose_time_init();
}
diff --git a/arch/x86/kernel/tlb_32.c b/arch/x86/kernel/tlb_32.c
index 9bb2363851a..fec1ecedc9b 100644
--- a/arch/x86/kernel/tlb_32.c
+++ b/arch/x86/kernel/tlb_32.c
@@ -238,6 +238,6 @@ static void do_flush_tlb_all(void *info)
void flush_tlb_all(void)
{
- on_each_cpu(do_flush_tlb_all, NULL, 1, 1);
+ on_each_cpu(do_flush_tlb_all, NULL, 1);
}
diff --git a/arch/x86/kernel/tlb_64.c b/arch/x86/kernel/tlb_64.c
index a1f07d79320..dcbf7a1159e 100644
--- a/arch/x86/kernel/tlb_64.c
+++ b/arch/x86/kernel/tlb_64.c
@@ -15,6 +15,8 @@
#include <asm/proto.h>
#include <asm/apicdef.h>
#include <asm/idle.h>
+#include <asm/uv/uv_hub.h>
+#include <asm/uv/uv_bau.h>
#include <mach_ipi.h>
/*
@@ -162,6 +164,9 @@ void native_flush_tlb_others(const cpumask_t *cpumaskp, struct mm_struct *mm,
union smp_flush_state *f;
cpumask_t cpumask = *cpumaskp;
+ if (is_uv_system() && uv_flush_tlb_others(&cpumask, mm, va))
+ return;
+
/* Caller has disabled preemption */
sender = smp_processor_id() % NUM_INVALIDATE_TLB_VECTORS;
f = &per_cpu(flush_state, sender);
@@ -270,5 +275,5 @@ static void do_flush_tlb_all(void *info)
void flush_tlb_all(void)
{
- on_each_cpu(do_flush_tlb_all, NULL, 1, 1);
+ on_each_cpu(do_flush_tlb_all, NULL, 1);
}
diff --git a/arch/x86/kernel/tlb_uv.c b/arch/x86/kernel/tlb_uv.c
new file mode 100644
index 00000000000..d0fbb7712ab
--- /dev/null
+++ b/arch/x86/kernel/tlb_uv.c
@@ -0,0 +1,792 @@
+/*
+ * SGI UltraViolet TLB flush routines.
+ *
+ * (c) 2008 Cliff Wickman <cpw@sgi.com>, SGI.
+ *
+ * This code is released under the GNU General Public License version 2 or
+ * later.
+ */
+#include <linux/mc146818rtc.h>
+#include <linux/proc_fs.h>
+#include <linux/kernel.h>
+
+#include <asm/mmu_context.h>
+#include <asm/uv/uv_mmrs.h>
+#include <asm/uv/uv_hub.h>
+#include <asm/uv/uv_bau.h>
+#include <asm/genapic.h>
+#include <asm/idle.h>
+#include <asm/tsc.h>
+
+#include <mach_apic.h>
+
+static struct bau_control **uv_bau_table_bases __read_mostly;
+static int uv_bau_retry_limit __read_mostly;
+
+/* position of pnode (which is nasid>>1): */
+static int uv_nshift __read_mostly;
+
+static unsigned long uv_mmask __read_mostly;
+
+static DEFINE_PER_CPU(struct ptc_stats, ptcstats);
+static DEFINE_PER_CPU(struct bau_control, bau_control);
+
+/*
+ * Free a software acknowledge hardware resource by clearing its Pending
+ * bit. This will return a reply to the sender.
+ * If the message has timed out, a reply has already been sent by the
+ * hardware but the resource has not been released. In that case our
+ * clear of the Timeout bit (as well) will free the resource. No reply will
+ * be sent (the hardware will only do one reply per message).
+ */
+static void uv_reply_to_message(int resource,
+ struct bau_payload_queue_entry *msg,
+ struct bau_msg_status *msp)
+{
+ unsigned long dw;
+
+ dw = (1 << (resource + UV_SW_ACK_NPENDING)) | (1 << resource);
+ msg->replied_to = 1;
+ msg->sw_ack_vector = 0;
+ if (msp)
+ msp->seen_by.bits = 0;
+ uv_write_local_mmr(UVH_LB_BAU_INTD_SOFTWARE_ACKNOWLEDGE_ALIAS, dw);
+}
+
+/*
+ * Do all the things a cpu should do for a TLB shootdown message.
+ * Other cpu's may come here at the same time for this message.
+ */
+static void uv_bau_process_message(struct bau_payload_queue_entry *msg,
+ int msg_slot, int sw_ack_slot)
+{
+ unsigned long this_cpu_mask;
+ struct bau_msg_status *msp;
+ int cpu;
+
+ msp = __get_cpu_var(bau_control).msg_statuses + msg_slot;
+ cpu = uv_blade_processor_id();
+ msg->number_of_cpus =
+ uv_blade_nr_online_cpus(uv_node_to_blade_id(numa_node_id()));
+ this_cpu_mask = 1UL << cpu;
+ if (msp->seen_by.bits & this_cpu_mask)
+ return;
+ atomic_or_long(&msp->seen_by.bits, this_cpu_mask);
+
+ if (msg->replied_to == 1)
+ return;
+
+ if (msg->address == TLB_FLUSH_ALL) {
+ local_flush_tlb();
+ __get_cpu_var(ptcstats).alltlb++;
+ } else {
+ __flush_tlb_one(msg->address);
+ __get_cpu_var(ptcstats).onetlb++;
+ }
+
+ __get_cpu_var(ptcstats).requestee++;
+
+ atomic_inc_short(&msg->acknowledge_count);
+ if (msg->number_of_cpus == msg->acknowledge_count)
+ uv_reply_to_message(sw_ack_slot, msg, msp);
+}
+
+/*
+ * Examine the payload queue on one distribution node to see
+ * which messages have not been seen, and which cpu(s) have not seen them.
+ *
+ * Returns the number of cpu's that have not responded.
+ */
+static int uv_examine_destination(struct bau_control *bau_tablesp, int sender)
+{
+ struct bau_payload_queue_entry *msg;
+ struct bau_msg_status *msp;
+ int count = 0;
+ int i;
+ int j;
+
+ for (msg = bau_tablesp->va_queue_first, i = 0; i < DEST_Q_SIZE;
+ msg++, i++) {
+ if ((msg->sending_cpu == sender) && (!msg->replied_to)) {
+ msp = bau_tablesp->msg_statuses + i;
+ printk(KERN_DEBUG
+ "blade %d: address:%#lx %d of %d, not cpu(s): ",
+ i, msg->address, msg->acknowledge_count,
+ msg->number_of_cpus);
+ for (j = 0; j < msg->number_of_cpus; j++) {
+ if (!((1L << j) & msp->seen_by.bits)) {
+ count++;
+ printk("%d ", j);
+ }
+ }
+ printk("\n");
+ }
+ }
+ return count;
+}
+
+/*
+ * Examine the payload queue on all the distribution nodes to see
+ * which messages have not been seen, and which cpu(s) have not seen them.
+ *
+ * Returns the number of cpu's that have not responded.
+ */
+static int uv_examine_destinations(struct bau_target_nodemask *distribution)
+{
+ int sender;
+ int i;
+ int count = 0;
+
+ sender = smp_processor_id();
+ for (i = 0; i < sizeof(struct bau_target_nodemask) * BITSPERBYTE; i++) {
+ if (!bau_node_isset(i, distribution))
+ continue;
+ count += uv_examine_destination(uv_bau_table_bases[i], sender);
+ }
+ return count;
+}
+
+/*
+ * wait for completion of a broadcast message
+ *
+ * return COMPLETE, RETRY or GIVEUP
+ */
+static int uv_wait_completion(struct bau_desc *bau_desc,
+ unsigned long mmr_offset, int right_shift)
+{
+ int exams = 0;
+ long destination_timeouts = 0;
+ long source_timeouts = 0;
+ unsigned long descriptor_status;
+
+ while ((descriptor_status = (((unsigned long)
+ uv_read_local_mmr(mmr_offset) >>
+ right_shift) & UV_ACT_STATUS_MASK)) !=
+ DESC_STATUS_IDLE) {
+ if (descriptor_status == DESC_STATUS_SOURCE_TIMEOUT) {
+ source_timeouts++;
+ if (source_timeouts > SOURCE_TIMEOUT_LIMIT)
+ source_timeouts = 0;
+ __get_cpu_var(ptcstats).s_retry++;
+ return FLUSH_RETRY;
+ }
+ /*
+ * spin here looking for progress at the destinations
+ */
+ if (descriptor_status == DESC_STATUS_DESTINATION_TIMEOUT) {
+ destination_timeouts++;
+ if (destination_timeouts > DESTINATION_TIMEOUT_LIMIT) {
+ /*
+ * returns number of cpus not responding
+ */
+ if (uv_examine_destinations
+ (&bau_desc->distribution) == 0) {
+ __get_cpu_var(ptcstats).d_retry++;
+ return FLUSH_RETRY;
+ }
+ exams++;
+ if (exams >= uv_bau_retry_limit) {
+ printk(KERN_DEBUG
+ "uv_flush_tlb_others");
+ printk("giving up on cpu %d\n",
+ smp_processor_id());
+ return FLUSH_GIVEUP;
+ }
+ /*
+ * delays can hang the simulator
+ udelay(1000);
+ */
+ destination_timeouts = 0;
+ }
+ }
+ }
+ return FLUSH_COMPLETE;
+}
+
+/**
+ * uv_flush_send_and_wait
+ *
+ * Send a broadcast and wait for a broadcast message to complete.
+ *
+ * The cpumaskp mask contains the cpus the broadcast was sent to.
+ *
+ * Returns 1 if all remote flushing was done. The mask is zeroed.
+ * Returns 0 if some remote flushing remains to be done. The mask is left
+ * unchanged.
+ */
+int uv_flush_send_and_wait(int cpu, int this_blade, struct bau_desc *bau_desc,
+ cpumask_t *cpumaskp)
+{
+ int completion_status = 0;
+ int right_shift;
+ int tries = 0;
+ int blade;
+ int bit;
+ unsigned long mmr_offset;
+ unsigned long index;
+ cycles_t time1;
+ cycles_t time2;
+
+ if (cpu < UV_CPUS_PER_ACT_STATUS) {
+ mmr_offset = UVH_LB_BAU_SB_ACTIVATION_STATUS_0;
+ right_shift = cpu * UV_ACT_STATUS_SIZE;
+ } else {
+ mmr_offset = UVH_LB_BAU_SB_ACTIVATION_STATUS_1;
+ right_shift =
+ ((cpu - UV_CPUS_PER_ACT_STATUS) * UV_ACT_STATUS_SIZE);
+ }
+ time1 = get_cycles();
+ do {
+ tries++;
+ index = (1UL << UVH_LB_BAU_SB_ACTIVATION_CONTROL_PUSH_SHFT) |
+ cpu;
+ uv_write_local_mmr(UVH_LB_BAU_SB_ACTIVATION_CONTROL, index);
+ completion_status = uv_wait_completion(bau_desc, mmr_offset,
+ right_shift);
+ } while (completion_status == FLUSH_RETRY);
+ time2 = get_cycles();
+ __get_cpu_var(ptcstats).sflush += (time2 - time1);
+ if (tries > 1)
+ __get_cpu_var(ptcstats).retriesok++;
+
+ if (completion_status == FLUSH_GIVEUP) {
+ /*
+ * Cause the caller to do an IPI-style TLB shootdown on
+ * the cpu's, all of which are still in the mask.
+ */
+ __get_cpu_var(ptcstats).ptc_i++;
+ return 0;
+ }
+
+ /*
+ * Success, so clear the remote cpu's from the mask so we don't
+ * use the IPI method of shootdown on them.
+ */
+ for_each_cpu_mask(bit, *cpumaskp) {
+ blade = uv_cpu_to_blade_id(bit);
+ if (blade == this_blade)
+ continue;
+ cpu_clear(bit, *cpumaskp);
+ }
+ if (!cpus_empty(*cpumaskp))
+ return 0;
+ return 1;
+}
+
+/**
+ * uv_flush_tlb_others - globally purge translation cache of a virtual
+ * address or all TLB's
+ * @cpumaskp: mask of all cpu's in which the address is to be removed
+ * @mm: mm_struct containing virtual address range
+ * @va: virtual address to be removed (or TLB_FLUSH_ALL for all TLB's on cpu)
+ *
+ * This is the entry point for initiating any UV global TLB shootdown.
+ *
+ * Purges the translation caches of all specified processors of the given
+ * virtual address, or purges all TLB's on specified processors.
+ *
+ * The caller has derived the cpumaskp from the mm_struct and has subtracted
+ * the local cpu from the mask. This function is called only if there
+ * are bits set in the mask. (e.g. flush_tlb_page())
+ *
+ * The cpumaskp is converted into a nodemask of the nodes containing
+ * the cpus.
+ *
+ * Returns 1 if all remote flushing was done.
+ * Returns 0 if some remote flushing remains to be done.
+ */
+int uv_flush_tlb_others(cpumask_t *cpumaskp, struct mm_struct *mm,
+ unsigned long va)
+{
+ int i;
+ int bit;
+ int blade;
+ int cpu;
+ int this_blade;
+ int locals = 0;
+ struct bau_desc *bau_desc;
+
+ cpu = uv_blade_processor_id();
+ this_blade = uv_numa_blade_id();
+ bau_desc = __get_cpu_var(bau_control).descriptor_base;
+ bau_desc += UV_ITEMS_PER_DESCRIPTOR * cpu;
+
+ bau_nodes_clear(&bau_desc->distribution, UV_DISTRIBUTION_SIZE);
+
+ i = 0;
+ for_each_cpu_mask(bit, *cpumaskp) {
+ blade = uv_cpu_to_blade_id(bit);
+ BUG_ON(blade > (UV_DISTRIBUTION_SIZE - 1));
+ if (blade == this_blade) {
+ locals++;
+ continue;
+ }
+ bau_node_set(blade, &bau_desc->distribution);
+ i++;
+ }
+ if (i == 0) {
+ /*
+ * no off_node flushing; return status for local node
+ */
+ if (locals)
+ return 0;
+ else
+ return 1;
+ }
+ __get_cpu_var(ptcstats).requestor++;
+ __get_cpu_var(ptcstats).ntargeted += i;
+
+ bau_desc->payload.address = va;
+ bau_desc->payload.sending_cpu = smp_processor_id();
+
+ return uv_flush_send_and_wait(cpu, this_blade, bau_desc, cpumaskp);
+}
+
+/*
+ * The BAU message interrupt comes here. (registered by set_intr_gate)
+ * See entry_64.S
+ *
+ * We received a broadcast assist message.
+ *
+ * Interrupts may have been disabled; this interrupt could represent
+ * the receipt of several messages.
+ *
+ * All cores/threads on this node get this interrupt.
+ * The last one to see it does the s/w ack.
+ * (the resource will not be freed until noninterruptable cpus see this
+ * interrupt; hardware will timeout the s/w ack and reply ERROR)
+ */
+void uv_bau_message_interrupt(struct pt_regs *regs)
+{
+ struct bau_payload_queue_entry *va_queue_first;
+ struct bau_payload_queue_entry *va_queue_last;
+ struct bau_payload_queue_entry *msg;
+ struct pt_regs *old_regs = set_irq_regs(regs);
+ cycles_t time1;
+ cycles_t time2;
+ int msg_slot;
+ int sw_ack_slot;
+ int fw;
+ int count = 0;
+ unsigned long local_pnode;
+
+ ack_APIC_irq();
+ exit_idle();
+ irq_enter();
+
+ time1 = get_cycles();
+
+ local_pnode = uv_blade_to_pnode(uv_numa_blade_id());
+
+ va_queue_first = __get_cpu_var(bau_control).va_queue_first;
+ va_queue_last = __get_cpu_var(bau_control).va_queue_last;
+
+ msg = __get_cpu_var(bau_control).bau_msg_head;
+ while (msg->sw_ack_vector) {
+ count++;
+ fw = msg->sw_ack_vector;
+ msg_slot = msg - va_queue_first;
+ sw_ack_slot = ffs(fw) - 1;
+
+ uv_bau_process_message(msg, msg_slot, sw_ack_slot);
+
+ msg++;
+ if (msg > va_queue_last)
+ msg = va_queue_first;
+ __get_cpu_var(bau_control).bau_msg_head = msg;
+ }
+ if (!count)
+ __get_cpu_var(ptcstats).nomsg++;
+ else if (count > 1)
+ __get_cpu_var(ptcstats).multmsg++;
+
+ time2 = get_cycles();
+ __get_cpu_var(ptcstats).dflush += (time2 - time1);
+
+ irq_exit();
+ set_irq_regs(old_regs);
+}
+
+static void uv_enable_timeouts(void)
+{
+ int i;
+ int blade;
+ int last_blade;
+ int pnode;
+ int cur_cpu = 0;
+ unsigned long apicid;
+
+ last_blade = -1;
+ for_each_online_node(i) {
+ blade = uv_node_to_blade_id(i);
+ if (blade == last_blade)
+ continue;
+ last_blade = blade;
+ apicid = per_cpu(x86_cpu_to_apicid, cur_cpu);
+ pnode = uv_blade_to_pnode(blade);
+ cur_cpu += uv_blade_nr_possible_cpus(i);
+ }
+}
+
+static void *uv_ptc_seq_start(struct seq_file *file, loff_t *offset)
+{
+ if (*offset < num_possible_cpus())
+ return offset;
+ return NULL;
+}
+
+static void *uv_ptc_seq_next(struct seq_file *file, void *data, loff_t *offset)
+{
+ (*offset)++;
+ if (*offset < num_possible_cpus())
+ return offset;
+ return NULL;
+}
+
+static void uv_ptc_seq_stop(struct seq_file *file, void *data)
+{
+}
+
+/*
+ * Display the statistics thru /proc
+ * data points to the cpu number
+ */
+static int uv_ptc_seq_show(struct seq_file *file, void *data)
+{
+ struct ptc_stats *stat;
+ int cpu;
+
+ cpu = *(loff_t *)data;
+
+ if (!cpu) {
+ seq_printf(file,
+ "# cpu requestor requestee one all sretry dretry ptc_i ");
+ seq_printf(file,
+ "sw_ack sflush dflush sok dnomsg dmult starget\n");
+ }
+ if (cpu < num_possible_cpus() && cpu_online(cpu)) {
+ stat = &per_cpu(ptcstats, cpu);
+ seq_printf(file, "cpu %d %ld %ld %ld %ld %ld %ld %ld ",
+ cpu, stat->requestor,
+ stat->requestee, stat->onetlb, stat->alltlb,
+ stat->s_retry, stat->d_retry, stat->ptc_i);
+ seq_printf(file, "%lx %ld %ld %ld %ld %ld %ld\n",
+ uv_read_global_mmr64(uv_blade_to_pnode
+ (uv_cpu_to_blade_id(cpu)),
+ UVH_LB_BAU_INTD_SOFTWARE_ACKNOWLEDGE),
+ stat->sflush, stat->dflush,
+ stat->retriesok, stat->nomsg,
+ stat->multmsg, stat->ntargeted);
+ }
+
+ return 0;
+}
+
+/*
+ * 0: display meaning of the statistics
+ * >0: retry limit
+ */
+static ssize_t uv_ptc_proc_write(struct file *file, const char __user *user,
+ size_t count, loff_t *data)
+{
+ long newmode;
+ char optstr[64];
+
+ if (count == 0 || count > sizeof(optstr))
+ return -EINVAL;
+ if (copy_from_user(optstr, user, count))
+ return -EFAULT;
+ optstr[count - 1] = '\0';
+ if (strict_strtoul(optstr, 10, &newmode) < 0) {
+ printk(KERN_DEBUG "%s is invalid\n", optstr);
+ return -EINVAL;
+ }
+
+ if (newmode == 0) {
+ printk(KERN_DEBUG "# cpu: cpu number\n");
+ printk(KERN_DEBUG
+ "requestor: times this cpu was the flush requestor\n");
+ printk(KERN_DEBUG
+ "requestee: times this cpu was requested to flush its TLBs\n");
+ printk(KERN_DEBUG
+ "one: times requested to flush a single address\n");
+ printk(KERN_DEBUG
+ "all: times requested to flush all TLB's\n");
+ printk(KERN_DEBUG
+ "sretry: number of retries of source-side timeouts\n");
+ printk(KERN_DEBUG
+ "dretry: number of retries of destination-side timeouts\n");
+ printk(KERN_DEBUG
+ "ptc_i: times UV fell through to IPI-style flushes\n");
+ printk(KERN_DEBUG
+ "sw_ack: image of UVH_LB_BAU_INTD_SOFTWARE_ACKNOWLEDGE\n");
+ printk(KERN_DEBUG
+ "sflush_us: cycles spent in uv_flush_tlb_others()\n");
+ printk(KERN_DEBUG
+ "dflush_us: cycles spent in handling flush requests\n");
+ printk(KERN_DEBUG "sok: successes on retry\n");
+ printk(KERN_DEBUG "dnomsg: interrupts with no message\n");
+ printk(KERN_DEBUG
+ "dmult: interrupts with multiple messages\n");
+ printk(KERN_DEBUG "starget: nodes targeted\n");
+ } else {
+ uv_bau_retry_limit = newmode;
+ printk(KERN_DEBUG "timeout retry limit:%d\n",
+ uv_bau_retry_limit);
+ }
+
+ return count;
+}
+
+static const struct seq_operations uv_ptc_seq_ops = {
+ .start = uv_ptc_seq_start,
+ .next = uv_ptc_seq_next,
+ .stop = uv_ptc_seq_stop,
+ .show = uv_ptc_seq_show
+};
+
+static int uv_ptc_proc_open(struct inode *inode, struct file *file)
+{
+ return seq_open(file, &uv_ptc_seq_ops);
+}
+
+static const struct file_operations proc_uv_ptc_operations = {
+ .open = uv_ptc_proc_open,
+ .read = seq_read,
+ .write = uv_ptc_proc_write,
+ .llseek = seq_lseek,
+ .release = seq_release,
+};
+
+static int __init uv_ptc_init(void)
+{
+ struct proc_dir_entry *proc_uv_ptc;
+
+ if (!is_uv_system())
+ return 0;
+
+ if (!proc_mkdir("sgi_uv", NULL))
+ return -EINVAL;
+
+ proc_uv_ptc = create_proc_entry(UV_PTC_BASENAME, 0444, NULL);
+ if (!proc_uv_ptc) {
+ printk(KERN_ERR "unable to create %s proc entry\n",
+ UV_PTC_BASENAME);
+ remove_proc_entry("sgi_uv", NULL);
+ return -EINVAL;
+ }
+ proc_uv_ptc->proc_fops = &proc_uv_ptc_operations;
+ return 0;
+}
+
+/*
+ * begin the initialization of the per-blade control structures
+ */
+static struct bau_control * __init uv_table_bases_init(int blade, int node)
+{
+ int i;
+ int *ip;
+ struct bau_msg_status *msp;
+ struct bau_control *bau_tabp;
+
+ bau_tabp =
+ kmalloc_node(sizeof(struct bau_control), GFP_KERNEL, node);
+ BUG_ON(!bau_tabp);
+
+ bau_tabp->msg_statuses =
+ kmalloc_node(sizeof(struct bau_msg_status) *
+ DEST_Q_SIZE, GFP_KERNEL, node);
+ BUG_ON(!bau_tabp->msg_statuses);
+
+ for (i = 0, msp = bau_tabp->msg_statuses; i < DEST_Q_SIZE; i++, msp++)
+ bau_cpubits_clear(&msp->seen_by, (int)
+ uv_blade_nr_possible_cpus(blade));
+
+ bau_tabp->watching =
+ kmalloc_node(sizeof(int) * DEST_NUM_RESOURCES, GFP_KERNEL, node);
+ BUG_ON(!bau_tabp->watching);
+
+ for (i = 0, ip = bau_tabp->watching; i < DEST_Q_SIZE; i++, ip++)
+ *ip = 0;
+
+ uv_bau_table_bases[blade] = bau_tabp;
+
+ return bau_tabp;
+}
+
+/*
+ * finish the initialization of the per-blade control structures
+ */
+static void __init
+uv_table_bases_finish(int blade, int node, int cur_cpu,
+ struct bau_control *bau_tablesp,
+ struct bau_desc *adp)
+{
+ struct bau_control *bcp;
+ int i;
+
+ for (i = cur_cpu; i < cur_cpu + uv_blade_nr_possible_cpus(blade); i++) {
+ bcp = (struct bau_control *)&per_cpu(bau_control, i);
+
+ bcp->bau_msg_head = bau_tablesp->va_queue_first;
+ bcp->va_queue_first = bau_tablesp->va_queue_first;
+ bcp->va_queue_last = bau_tablesp->va_queue_last;
+ bcp->watching = bau_tablesp->watching;
+ bcp->msg_statuses = bau_tablesp->msg_statuses;
+ bcp->descriptor_base = adp;
+ }
+}
+
+/*
+ * initialize the sending side's sending buffers
+ */
+static struct bau_desc * __init
+uv_activation_descriptor_init(int node, int pnode)
+{
+ int i;
+ unsigned long pa;
+ unsigned long m;
+ unsigned long n;
+ unsigned long mmr_image;
+ struct bau_desc *adp;
+ struct bau_desc *ad2;
+
+ adp = (struct bau_desc *)
+ kmalloc_node(16384, GFP_KERNEL, node);
+ BUG_ON(!adp);
+
+ pa = __pa((unsigned long)adp);
+ n = pa >> uv_nshift;
+ m = pa & uv_mmask;
+
+ mmr_image = uv_read_global_mmr64(pnode, UVH_LB_BAU_SB_DESCRIPTOR_BASE);
+ if (mmr_image) {
+ uv_write_global_mmr64(pnode, (unsigned long)
+ UVH_LB_BAU_SB_DESCRIPTOR_BASE,
+ (n << UV_DESC_BASE_PNODE_SHIFT | m));
+ }
+
+ for (i = 0, ad2 = adp; i < UV_ACTIVATION_DESCRIPTOR_SIZE; i++, ad2++) {
+ memset(ad2, 0, sizeof(struct bau_desc));
+ ad2->header.sw_ack_flag = 1;
+ ad2->header.base_dest_nodeid =
+ uv_blade_to_pnode(uv_cpu_to_blade_id(0));
+ ad2->header.command = UV_NET_ENDPOINT_INTD;
+ ad2->header.int_both = 1;
+ /*
+ * all others need to be set to zero:
+ * fairness chaining multilevel count replied_to
+ */
+ }
+ return adp;
+}
+
+/*
+ * initialize the destination side's receiving buffers
+ */
+static struct bau_payload_queue_entry * __init
+uv_payload_queue_init(int node, int pnode, struct bau_control *bau_tablesp)
+{
+ struct bau_payload_queue_entry *pqp;
+ char *cp;
+
+ pqp = (struct bau_payload_queue_entry *) kmalloc_node(
+ (DEST_Q_SIZE + 1) * sizeof(struct bau_payload_queue_entry),
+ GFP_KERNEL, node);
+ BUG_ON(!pqp);
+
+ cp = (char *)pqp + 31;
+ pqp = (struct bau_payload_queue_entry *)(((unsigned long)cp >> 5) << 5);
+ bau_tablesp->va_queue_first = pqp;
+ uv_write_global_mmr64(pnode,
+ UVH_LB_BAU_INTD_PAYLOAD_QUEUE_FIRST,
+ ((unsigned long)pnode <<
+ UV_PAYLOADQ_PNODE_SHIFT) |
+ uv_physnodeaddr(pqp));
+ uv_write_global_mmr64(pnode, UVH_LB_BAU_INTD_PAYLOAD_QUEUE_TAIL,
+ uv_physnodeaddr(pqp));
+ bau_tablesp->va_queue_last = pqp + (DEST_Q_SIZE - 1);
+ uv_write_global_mmr64(pnode, UVH_LB_BAU_INTD_PAYLOAD_QUEUE_LAST,
+ (unsigned long)
+ uv_physnodeaddr(bau_tablesp->va_queue_last));
+ memset(pqp, 0, sizeof(struct bau_payload_queue_entry) * DEST_Q_SIZE);
+
+ return pqp;
+}
+
+/*
+ * Initialization of each UV blade's structures
+ */
+static int __init uv_init_blade(int blade, int node, int cur_cpu)
+{
+ int pnode;
+ unsigned long pa;
+ unsigned long apicid;
+ struct bau_desc *adp;
+ struct bau_payload_queue_entry *pqp;
+ struct bau_control *bau_tablesp;
+
+ bau_tablesp = uv_table_bases_init(blade, node);
+ pnode = uv_blade_to_pnode(blade);
+ adp = uv_activation_descriptor_init(node, pnode);
+ pqp = uv_payload_queue_init(node, pnode, bau_tablesp);
+ uv_table_bases_finish(blade, node, cur_cpu, bau_tablesp, adp);
+ /*
+ * the below initialization can't be in firmware because the
+ * messaging IRQ will be determined by the OS
+ */
+ apicid = per_cpu(x86_cpu_to_apicid, cur_cpu);
+ pa = uv_read_global_mmr64(pnode, UVH_BAU_DATA_CONFIG);
+ if ((pa & 0xff) != UV_BAU_MESSAGE) {
+ uv_write_global_mmr64(pnode, UVH_BAU_DATA_CONFIG,
+ ((apicid << 32) | UV_BAU_MESSAGE));
+ }
+ return 0;
+}
+
+/*
+ * Initialization of BAU-related structures
+ */
+static int __init uv_bau_init(void)
+{
+ int blade;
+ int node;
+ int nblades;
+ int last_blade;
+ int cur_cpu = 0;
+
+ if (!is_uv_system())
+ return 0;
+
+ uv_bau_retry_limit = 1;
+ uv_nshift = uv_hub_info->n_val;
+ uv_mmask = (1UL << uv_hub_info->n_val) - 1;
+ nblades = 0;
+ last_blade = -1;
+ for_each_online_node(node) {
+ blade = uv_node_to_blade_id(node);
+ if (blade == last_blade)
+ continue;
+ last_blade = blade;
+ nblades++;
+ }
+ uv_bau_table_bases = (struct bau_control **)
+ kmalloc(nblades * sizeof(struct bau_control *), GFP_KERNEL);
+ BUG_ON(!uv_bau_table_bases);
+
+ last_blade = -1;
+ for_each_online_node(node) {
+ blade = uv_node_to_blade_id(node);
+ if (blade == last_blade)
+ continue;
+ last_blade = blade;
+ uv_init_blade(blade, node, cur_cpu);
+ cur_cpu += uv_blade_nr_possible_cpus(blade);
+ }
+ set_intr_gate(UV_BAU_MESSAGE, uv_bau_message_intr1);
+ uv_enable_timeouts();
+
+ return 0;
+}
+__initcall(uv_bau_init);
+__initcall(uv_ptc_init);
diff --git a/arch/x86/kernel/trampoline.c b/arch/x86/kernel/trampoline.c
index abbf199adeb..1106fac6024 100644
--- a/arch/x86/kernel/trampoline.c
+++ b/arch/x86/kernel/trampoline.c
@@ -2,7 +2,7 @@
#include <asm/trampoline.h>
-/* ready for x86_64, no harm for x86, since it will overwrite after alloc */
+/* ready for x86_64 and x86 */
unsigned char *trampoline_base = __va(TRAMPOLINE_BASE);
/*
diff --git a/arch/x86/kernel/traps_32.c b/arch/x86/kernel/traps_32.c
index 08d752de4ee..8a768973c4f 100644
--- a/arch/x86/kernel/traps_32.c
+++ b/arch/x86/kernel/traps_32.c
@@ -1,5 +1,6 @@
/*
* Copyright (C) 1991, 1992 Linus Torvalds
+ * Copyright (C) 2000, 2001, 2002 Andi Kleen, SuSE Labs
*
* Pentium III FXSR, SSE support
* Gareth Hughes <gareth@valinux.com>, May 2000
@@ -60,8 +61,6 @@
#include "mach_traps.h"
-int panic_on_unrecovered_nmi;
-
DECLARE_BITMAP(used_vectors, NR_VECTORS);
EXPORT_SYMBOL_GPL(used_vectors);
@@ -98,19 +97,22 @@ asmlinkage void alignment_check(void);
asmlinkage void spurious_interrupt_bug(void);
asmlinkage void machine_check(void);
+int panic_on_unrecovered_nmi;
int kstack_depth_to_print = 24;
static unsigned int code_bytes = 64;
+static int ignore_nmis;
+static int die_counter;
void printk_address(unsigned long address, int reliable)
{
#ifdef CONFIG_KALLSYMS
- char namebuf[KSYM_NAME_LEN];
unsigned long offset = 0;
unsigned long symsize;
const char *symname;
- char reliab[4] = "";
- char *delim = ":";
char *modname;
+ char *delim = ":";
+ char namebuf[KSYM_NAME_LEN];
+ char reliab[4] = "";
symname = kallsyms_lookup(address, &symsize, &offset,
&modname, namebuf);
@@ -130,22 +132,23 @@ void printk_address(unsigned long address, int reliable)
#endif
}
-static inline int valid_stack_ptr(struct thread_info *tinfo, void *p, unsigned size)
+static inline int valid_stack_ptr(struct thread_info *tinfo,
+ void *p, unsigned int size)
{
- return p > (void *)tinfo &&
- p <= (void *)tinfo + THREAD_SIZE - size;
+ void *t = tinfo;
+ return p > t && p <= t + THREAD_SIZE - size;
}
/* The form of the top of the frame on the stack */
struct stack_frame {
- struct stack_frame *next_frame;
- unsigned long return_address;
+ struct stack_frame *next_frame;
+ unsigned long return_address;
};
static inline unsigned long
print_context_stack(struct thread_info *tinfo,
- unsigned long *stack, unsigned long bp,
- const struct stacktrace_ops *ops, void *data)
+ unsigned long *stack, unsigned long bp,
+ const struct stacktrace_ops *ops, void *data)
{
struct stack_frame *frame = (struct stack_frame *)bp;
@@ -167,8 +170,6 @@ print_context_stack(struct thread_info *tinfo,
return bp;
}
-#define MSG(msg) ops->warning(data, msg)
-
void dump_trace(struct task_struct *task, struct pt_regs *regs,
unsigned long *stack, unsigned long bp,
const struct stacktrace_ops *ops, void *data)
@@ -178,7 +179,6 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs,
if (!stack) {
unsigned long dummy;
-
stack = &dummy;
if (task != current)
stack = (unsigned long *)task->thread.sp;
@@ -196,7 +196,7 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs,
}
#endif
- while (1) {
+ for (;;) {
struct thread_info *context;
context = (struct thread_info *)
@@ -248,10 +248,10 @@ static void print_trace_address(void *data, unsigned long addr, int reliable)
}
static const struct stacktrace_ops print_trace_ops = {
- .warning = print_trace_warning,
- .warning_symbol = print_trace_warning_symbol,
- .stack = print_trace_stack,
- .address = print_trace_address,
+ .warning = print_trace_warning,
+ .warning_symbol = print_trace_warning_symbol,
+ .stack = print_trace_stack,
+ .address = print_trace_address,
};
static void
@@ -351,15 +351,14 @@ void show_registers(struct pt_regs *regs)
printk(KERN_EMERG "Code: ");
ip = (u8 *)regs->ip - code_prologue;
- if (ip < (u8 *)PAGE_OFFSET ||
- probe_kernel_address(ip, c)) {
+ if (ip < (u8 *)PAGE_OFFSET || probe_kernel_address(ip, c)) {
/* try starting at EIP */
ip = (u8 *)regs->ip;
code_len = code_len - code_prologue + 1;
}
for (i = 0; i < code_len; i++, ip++) {
if (ip < (u8 *)PAGE_OFFSET ||
- probe_kernel_address(ip, c)) {
+ probe_kernel_address(ip, c)) {
printk(" Bad EIP value.");
break;
}
@@ -384,8 +383,6 @@ int is_valid_bugaddr(unsigned long ip)
return ud2 == 0x0b0f;
}
-static int die_counter;
-
int __kprobes __die(const char *str, struct pt_regs *regs, long err)
{
unsigned short ss;
@@ -402,26 +399,22 @@ int __kprobes __die(const char *str, struct pt_regs *regs, long err)
printk("DEBUG_PAGEALLOC");
#endif
printk("\n");
-
if (notify_die(DIE_OOPS, str, regs, err,
- current->thread.trap_no, SIGSEGV) != NOTIFY_STOP) {
-
- show_registers(regs);
- /* Executive summary in case the oops scrolled away */
- sp = (unsigned long) (&regs->sp);
- savesegment(ss, ss);
- if (user_mode(regs)) {
- sp = regs->sp;
- ss = regs->ss & 0xffff;
- }
- printk(KERN_EMERG "EIP: [<%08lx>] ", regs->ip);
- print_symbol("%s", regs->ip);
- printk(" SS:ESP %04x:%08lx\n", ss, sp);
+ current->thread.trap_no, SIGSEGV) == NOTIFY_STOP)
+ return 1;
- return 0;
+ show_registers(regs);
+ /* Executive summary in case the oops scrolled away */
+ sp = (unsigned long) (&regs->sp);
+ savesegment(ss, ss);
+ if (user_mode(regs)) {
+ sp = regs->sp;
+ ss = regs->ss & 0xffff;
}
-
- return 1;
+ printk(KERN_EMERG "EIP: [<%08lx>] ", regs->ip);
+ print_symbol("%s", regs->ip);
+ printk(" SS:ESP %04x:%08lx\n", ss, sp);
+ return 0;
}
/*
@@ -546,7 +539,7 @@ void do_##name(struct pt_regs *regs, long error_code) \
{ \
trace_hardirqs_fixup(); \
if (notify_die(DIE_TRAP, str, regs, error_code, trapnr, signr) \
- == NOTIFY_STOP) \
+ == NOTIFY_STOP) \
return; \
do_trap(trapnr, signr, str, 0, regs, error_code, NULL); \
}
@@ -562,7 +555,7 @@ void do_##name(struct pt_regs *regs, long error_code) \
info.si_code = sicode; \
info.si_addr = (void __user *)siaddr; \
if (notify_die(DIE_TRAP, str, regs, error_code, trapnr, signr) \
- == NOTIFY_STOP) \
+ == NOTIFY_STOP) \
return; \
do_trap(trapnr, signr, str, 0, regs, error_code, &info); \
}
@@ -571,7 +564,7 @@ void do_##name(struct pt_regs *regs, long error_code) \
void do_##name(struct pt_regs *regs, long error_code) \
{ \
if (notify_die(DIE_TRAP, str, regs, error_code, trapnr, signr) \
- == NOTIFY_STOP) \
+ == NOTIFY_STOP) \
return; \
do_trap(trapnr, signr, str, 1, regs, error_code, NULL); \
}
@@ -586,27 +579,29 @@ void do_##name(struct pt_regs *regs, long error_code) \
info.si_addr = (void __user *)siaddr; \
trace_hardirqs_fixup(); \
if (notify_die(DIE_TRAP, str, regs, error_code, trapnr, signr) \
- == NOTIFY_STOP) \
+ == NOTIFY_STOP) \
return; \
do_trap(trapnr, signr, str, 1, regs, error_code, &info); \
}
-DO_VM86_ERROR_INFO(0, SIGFPE, "divide error", divide_error, FPE_INTDIV, regs->ip)
+DO_VM86_ERROR_INFO(0, SIGFPE, "divide error", divide_error, FPE_INTDIV, regs->ip)
#ifndef CONFIG_KPROBES
DO_VM86_ERROR(3, SIGTRAP, "int3", int3)
#endif
DO_VM86_ERROR(4, SIGSEGV, "overflow", overflow)
DO_VM86_ERROR(5, SIGSEGV, "bounds", bounds)
-DO_ERROR_INFO(6, SIGILL, "invalid opcode", invalid_op, ILL_ILLOPN, regs->ip, 0)
-DO_ERROR(9, SIGFPE, "coprocessor segment overrun", coprocessor_segment_overrun)
+DO_ERROR_INFO(6, SIGILL, "invalid opcode", invalid_op, ILL_ILLOPN, regs->ip, 0)
+DO_ERROR(9, SIGFPE, "coprocessor segment overrun", coprocessor_segment_overrun)
DO_ERROR(10, SIGSEGV, "invalid TSS", invalid_TSS)
-DO_ERROR(11, SIGBUS, "segment not present", segment_not_present)
-DO_ERROR(12, SIGBUS, "stack segment", stack_segment)
+DO_ERROR(11, SIGBUS, "segment not present", segment_not_present)
+DO_ERROR(12, SIGBUS, "stack segment", stack_segment)
DO_ERROR_INFO(17, SIGBUS, "alignment check", alignment_check, BUS_ADRALN, 0, 0)
DO_ERROR_INFO(32, SIGILL, "iret exception", iret_error, ILL_BADSTK, 0, 1)
-void __kprobes do_general_protection(struct pt_regs *regs, long error_code)
+void __kprobes
+do_general_protection(struct pt_regs *regs, long error_code)
{
+ struct task_struct *tsk;
struct thread_struct *thread;
struct tss_struct *tss;
int cpu;
@@ -647,23 +642,24 @@ void __kprobes do_general_protection(struct pt_regs *regs, long error_code)
if (regs->flags & X86_VM_MASK)
goto gp_in_vm86;
+ tsk = current;
if (!user_mode(regs))
goto gp_in_kernel;
- current->thread.error_code = error_code;
- current->thread.trap_no = 13;
+ tsk->thread.error_code = error_code;
+ tsk->thread.trap_no = 13;
- if (show_unhandled_signals && unhandled_signal(current, SIGSEGV) &&
- printk_ratelimit()) {
+ if (show_unhandled_signals && unhandled_signal(tsk, SIGSEGV) &&
+ printk_ratelimit()) {
printk(KERN_INFO
- "%s[%d] general protection ip:%lx sp:%lx error:%lx",
- current->comm, task_pid_nr(current),
- regs->ip, regs->sp, error_code);
+ "%s[%d] general protection ip:%lx sp:%lx error:%lx",
+ tsk->comm, task_pid_nr(tsk),
+ regs->ip, regs->sp, error_code);
print_vma_addr(" in ", regs->ip);
printk("\n");
}
- force_sig(SIGSEGV, current);
+ force_sig(SIGSEGV, tsk);
return;
gp_in_vm86:
@@ -672,14 +668,15 @@ gp_in_vm86:
return;
gp_in_kernel:
- if (!fixup_exception(regs)) {
- current->thread.error_code = error_code;
- current->thread.trap_no = 13;
- if (notify_die(DIE_GPF, "general protection fault", regs,
+ if (fixup_exception(regs))
+ return;
+
+ tsk->thread.error_code = error_code;
+ tsk->thread.trap_no = 13;
+ if (notify_die(DIE_GPF, "general protection fault", regs,
error_code, 13, SIGSEGV) == NOTIFY_STOP)
- return;
- die("general protection fault", regs, error_code);
- }
+ return;
+ die("general protection fault", regs, error_code);
}
static notrace __kprobes void
@@ -756,9 +753,9 @@ unknown_nmi_error(unsigned char reason, struct pt_regs *regs)
static DEFINE_SPINLOCK(nmi_print_lock);
-void notrace __kprobes die_nmi(struct pt_regs *regs, const char *msg)
+void notrace __kprobes die_nmi(char *str, struct pt_regs *regs, int do_panic)
{
- if (notify_die(DIE_NMIWATCHDOG, msg, regs, 0, 2, SIGINT) == NOTIFY_STOP)
+ if (notify_die(DIE_NMIWATCHDOG, str, regs, 0, 2, SIGINT) == NOTIFY_STOP)
return;
spin_lock(&nmi_print_lock);
@@ -767,10 +764,12 @@ void notrace __kprobes die_nmi(struct pt_regs *regs, const char *msg)
* to get a message out:
*/
bust_spinlocks(1);
- printk(KERN_EMERG "%s", msg);
+ printk(KERN_EMERG "%s", str);
printk(" on CPU%d, ip %08lx, registers:\n",
smp_processor_id(), regs->ip);
show_registers(regs);
+ if (do_panic)
+ panic("Non maskable interrupt");
console_silent();
spin_unlock(&nmi_print_lock);
bust_spinlocks(0);
@@ -790,14 +789,17 @@ void notrace __kprobes die_nmi(struct pt_regs *regs, const char *msg)
static notrace __kprobes void default_do_nmi(struct pt_regs *regs)
{
unsigned char reason = 0;
+ int cpu;
+
+ cpu = smp_processor_id();
- /* Only the BSP gets external NMIs from the system: */
- if (!smp_processor_id())
+ /* Only the BSP gets external NMIs from the system. */
+ if (!cpu)
reason = get_nmi_reason();
if (!(reason & 0xc0)) {
if (notify_die(DIE_NMI_IPI, "nmi_ipi", regs, reason, 2, SIGINT)
- == NOTIFY_STOP)
+ == NOTIFY_STOP)
return;
#ifdef CONFIG_X86_LOCAL_APIC
/*
@@ -806,7 +808,7 @@ static notrace __kprobes void default_do_nmi(struct pt_regs *regs)
*/
if (nmi_watchdog_tick(regs, reason))
return;
- if (!do_nmi_callback(regs, smp_processor_id()))
+ if (!do_nmi_callback(regs, cpu))
unknown_nmi_error(reason, regs);
#else
unknown_nmi_error(reason, regs);
@@ -816,6 +818,8 @@ static notrace __kprobes void default_do_nmi(struct pt_regs *regs)
}
if (notify_die(DIE_NMI, "nmi", regs, reason, 2, SIGINT) == NOTIFY_STOP)
return;
+
+ /* AK: following checks seem to be broken on modern chipsets. FIXME */
if (reason & 0x80)
mem_parity_error(reason, regs);
if (reason & 0x40)
@@ -827,8 +831,6 @@ static notrace __kprobes void default_do_nmi(struct pt_regs *regs)
reassert_nmi();
}
-static int ignore_nmis;
-
notrace __kprobes void do_nmi(struct pt_regs *regs, long error_code)
{
int cpu;
@@ -913,7 +915,7 @@ void __kprobes do_debug(struct pt_regs *regs, long error_code)
tsk->thread.debugctlmsr = 0;
if (notify_die(DIE_DEBUG, "debug", regs, condition, error_code,
- SIGTRAP) == NOTIFY_STOP)
+ SIGTRAP) == NOTIFY_STOP)
return;
/* It's safe to allow irq's after DR6 has been saved */
if (regs->flags & X86_EFLAGS_IF)
@@ -974,9 +976,8 @@ clear_TF_reenable:
void math_error(void __user *ip)
{
struct task_struct *task;
- unsigned short cwd;
- unsigned short swd;
siginfo_t info;
+ unsigned short cwd, swd;
/*
* Save the info for the exception handler and clear the error.
@@ -995,7 +996,7 @@ void math_error(void __user *ip)
* C1 reg you need in case of a stack fault, 0x040 is the stack
* fault bit. We should only be taking one exception at a time,
* so if this combination doesn't produce any single exception,
- * then we have a bad program that isn't syncronizing its FPU usage
+ * then we have a bad program that isn't synchronizing its FPU usage
* and it will suffer the consequences since we won't be able to
* fully reproduce the context of the exception
*/
@@ -1004,7 +1005,7 @@ void math_error(void __user *ip)
switch (swd & ~cwd & 0x3f) {
case 0x000: /* No unmasked exception */
return;
- default: /* Multiple exceptions */
+ default: /* Multiple exceptions */
break;
case 0x001: /* Invalid Op */
/*
@@ -1040,8 +1041,8 @@ void do_coprocessor_error(struct pt_regs *regs, long error_code)
static void simd_math_error(void __user *ip)
{
struct task_struct *task;
- unsigned short mxcsr;
siginfo_t info;
+ unsigned short mxcsr;
/*
* Save the info for the exception handler and clear the error.
@@ -1117,7 +1118,7 @@ void do_spurious_interrupt_bug(struct pt_regs *regs, long error_code)
unsigned long patch_espfix_desc(unsigned long uesp, unsigned long kesp)
{
- struct desc_struct *gdt = __get_cpu_var(gdt_page).gdt;
+ struct desc_struct *gdt = get_cpu_gdt_table(smp_processor_id());
unsigned long base = (kesp - uesp) & -THREAD_SIZE;
unsigned long new_kesp = kesp - base;
unsigned long lim_pages = (new_kesp | (THREAD_SIZE - 1)) >> PAGE_SHIFT;
@@ -1196,19 +1197,16 @@ void __init trap_init(void)
early_iounmap(p, 4);
#endif
-#ifdef CONFIG_X86_LOCAL_APIC
- init_apic_mappings();
-#endif
- set_trap_gate(0, &divide_error);
- set_intr_gate(1, &debug);
- set_intr_gate(2, &nmi);
- set_system_intr_gate(3, &int3); /* int3/4 can be called from all */
- set_system_gate(4, &overflow);
- set_trap_gate(5, &bounds);
- set_trap_gate(6, &invalid_op);
- set_trap_gate(7, &device_not_available);
- set_task_gate(8, GDT_ENTRY_DOUBLEFAULT_TSS);
- set_trap_gate(9, &coprocessor_segment_overrun);
+ set_trap_gate(0, &divide_error);
+ set_intr_gate(1, &debug);
+ set_intr_gate(2, &nmi);
+ set_system_intr_gate(3, &int3); /* int3 can be called from all */
+ set_system_gate(4, &overflow); /* int4 can be called from all */
+ set_trap_gate(5, &bounds);
+ set_trap_gate(6, &invalid_op);
+ set_trap_gate(7, &device_not_available);
+ set_task_gate(8, GDT_ENTRY_DOUBLEFAULT_TSS);
+ set_trap_gate(9, &coprocessor_segment_overrun);
set_trap_gate(10, &invalid_TSS);
set_trap_gate(11, &segment_not_present);
set_trap_gate(12, &stack_segment);
diff --git a/arch/x86/kernel/traps_64.c b/arch/x86/kernel/traps_64.c
index adff76ea97c..2696a683778 100644
--- a/arch/x86/kernel/traps_64.c
+++ b/arch/x86/kernel/traps_64.c
@@ -10,49 +10,49 @@
* 'Traps.c' handles hardware traps and faults after we have saved some
* state in 'entry.S'.
*/
-#include <linux/sched.h>
+#include <linux/moduleparam.h>
+#include <linux/interrupt.h>
+#include <linux/kallsyms.h>
+#include <linux/spinlock.h>
+#include <linux/kprobes.h>
+#include <linux/uaccess.h>
+#include <linux/utsname.h>
+#include <linux/kdebug.h>
#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/ptrace.h>
#include <linux/string.h>
+#include <linux/unwind.h>
+#include <linux/delay.h>
#include <linux/errno.h>
-#include <linux/ptrace.h>
+#include <linux/kexec.h>
+#include <linux/sched.h>
#include <linux/timer.h>
-#include <linux/mm.h>
#include <linux/init.h>
-#include <linux/delay.h>
-#include <linux/spinlock.h>
-#include <linux/interrupt.h>
-#include <linux/kallsyms.h>
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/nmi.h>
-#include <linux/kprobes.h>
-#include <linux/kexec.h>
-#include <linux/unwind.h>
-#include <linux/uaccess.h>
#include <linux/bug.h>
-#include <linux/kdebug.h>
-#include <linux/utsname.h>
-
-#include <mach_traps.h>
+#include <linux/nmi.h>
+#include <linux/mm.h>
#if defined(CONFIG_EDAC)
#include <linux/edac.h>
#endif
-#include <asm/system.h>
-#include <asm/io.h>
-#include <asm/atomic.h>
+#include <asm/stacktrace.h>
+#include <asm/processor.h>
#include <asm/debugreg.h>
+#include <asm/atomic.h>
+#include <asm/system.h>
+#include <asm/unwind.h>
#include <asm/desc.h>
#include <asm/i387.h>
-#include <asm/processor.h>
-#include <asm/unwind.h>
+#include <asm/nmi.h>
#include <asm/smp.h>
+#include <asm/io.h>
#include <asm/pgalloc.h>
-#include <asm/pda.h>
#include <asm/proto.h>
-#include <asm/nmi.h>
-#include <asm/stacktrace.h>
+#include <asm/pda.h>
+
+#include <mach_traps.h>
asmlinkage void divide_error(void);
asmlinkage void debug(void);
@@ -71,12 +71,15 @@ asmlinkage void general_protection(void);
asmlinkage void page_fault(void);
asmlinkage void coprocessor_error(void);
asmlinkage void simd_coprocessor_error(void);
-asmlinkage void reserved(void);
asmlinkage void alignment_check(void);
-asmlinkage void machine_check(void);
asmlinkage void spurious_interrupt_bug(void);
+asmlinkage void machine_check(void);
+int panic_on_unrecovered_nmi;
+int kstack_depth_to_print = 12;
static unsigned int code_bytes = 64;
+static int ignore_nmis;
+static int die_counter;
static inline void conditional_sti(struct pt_regs *regs)
{
@@ -100,34 +103,9 @@ static inline void preempt_conditional_cli(struct pt_regs *regs)
dec_preempt_count();
}
-int kstack_depth_to_print = 12;
-
void printk_address(unsigned long address, int reliable)
{
-#ifdef CONFIG_KALLSYMS
- unsigned long offset = 0, symsize;
- const char *symname;
- char *modname;
- char *delim = ":";
- char namebuf[KSYM_NAME_LEN];
- char reliab[4] = "";
-
- symname = kallsyms_lookup(address, &symsize, &offset,
- &modname, namebuf);
- if (!symname) {
- printk(" [<%016lx>]\n", address);
- return;
- }
- if (!reliable)
- strcpy(reliab, "? ");
-
- if (!modname)
- modname = delim = "";
- printk(" [<%016lx>] %s%s%s%s%s+0x%lx/0x%lx\n",
- address, reliab, delim, modname, delim, symname, offset, symsize);
-#else
- printk(" [<%016lx>]\n", address);
-#endif
+ printk(" [<%016lx>] %s%pS\n", address, reliable ? "": "? ", (void *) address);
}
static unsigned long *in_exception_stack(unsigned cpu, unsigned long stack,
@@ -204,8 +182,6 @@ static unsigned long *in_exception_stack(unsigned cpu, unsigned long stack,
return NULL;
}
-#define MSG(txt) ops->warning(data, txt)
-
/*
* x86-64 can have up to three kernel stacks:
* process stack
@@ -232,11 +208,11 @@ struct stack_frame {
unsigned long return_address;
};
-
-static inline unsigned long print_context_stack(struct thread_info *tinfo,
- unsigned long *stack, unsigned long bp,
- const struct stacktrace_ops *ops, void *data,
- unsigned long *end)
+static inline unsigned long
+print_context_stack(struct thread_info *tinfo,
+ unsigned long *stack, unsigned long bp,
+ const struct stacktrace_ops *ops, void *data,
+ unsigned long *end)
{
struct stack_frame *frame = (struct stack_frame *)bp;
@@ -258,7 +234,7 @@ static inline unsigned long print_context_stack(struct thread_info *tinfo,
return bp;
}
-void dump_trace(struct task_struct *tsk, struct pt_regs *regs,
+void dump_trace(struct task_struct *task, struct pt_regs *regs,
unsigned long *stack, unsigned long bp,
const struct stacktrace_ops *ops, void *data)
{
@@ -267,36 +243,34 @@ void dump_trace(struct task_struct *tsk, struct pt_regs *regs,
unsigned used = 0;
struct thread_info *tinfo;
- if (!tsk)
- tsk = current;
- tinfo = task_thread_info(tsk);
+ if (!task)
+ task = current;
if (!stack) {
unsigned long dummy;
stack = &dummy;
- if (tsk && tsk != current)
- stack = (unsigned long *)tsk->thread.sp;
+ if (task && task != current)
+ stack = (unsigned long *)task->thread.sp;
}
#ifdef CONFIG_FRAME_POINTER
if (!bp) {
- if (tsk == current) {
+ if (task == current) {
/* Grab bp right from our regs */
- asm("movq %%rbp, %0" : "=r" (bp):);
+ asm("movq %%rbp, %0" : "=r" (bp) :);
} else {
/* bp is the last reg pushed by switch_to */
- bp = *(unsigned long *) tsk->thread.sp;
+ bp = *(unsigned long *) task->thread.sp;
}
}
#endif
-
-
/*
* Print function call entries in all stacks, starting at the
* current stack address. If the stacks consist of nested
* exceptions
*/
+ tinfo = task_thread_info(task);
for (;;) {
char *id;
unsigned long *estack_end;
@@ -381,18 +355,17 @@ static const struct stacktrace_ops print_trace_ops = {
.address = print_trace_address,
};
-void
-show_trace(struct task_struct *tsk, struct pt_regs *regs, unsigned long *stack,
- unsigned long bp)
+void show_trace(struct task_struct *task, struct pt_regs *regs,
+ unsigned long *stack, unsigned long bp)
{
printk("\nCall Trace:\n");
- dump_trace(tsk, regs, stack, bp, &print_trace_ops, NULL);
+ dump_trace(task, regs, stack, bp, &print_trace_ops, NULL);
printk("\n");
}
static void
-_show_stack(struct task_struct *tsk, struct pt_regs *regs, unsigned long *sp,
- unsigned long bp)
+_show_stack(struct task_struct *task, struct pt_regs *regs,
+ unsigned long *sp, unsigned long bp)
{
unsigned long *stack;
int i;
@@ -404,14 +377,14 @@ _show_stack(struct task_struct *tsk, struct pt_regs *regs, unsigned long *sp,
// back trace for this cpu.
if (sp == NULL) {
- if (tsk)
- sp = (unsigned long *)tsk->thread.sp;
+ if (task)
+ sp = (unsigned long *)task->thread.sp;
else
sp = (unsigned long *)&sp;
}
stack = sp;
- for(i=0; i < kstack_depth_to_print; i++) {
+ for (i = 0; i < kstack_depth_to_print; i++) {
if (stack >= irqstack && stack <= irqstack_end) {
if (stack == irqstack_end) {
stack = (unsigned long *) (irqstack_end[-1]);
@@ -426,12 +399,12 @@ _show_stack(struct task_struct *tsk, struct pt_regs *regs, unsigned long *sp,
printk(" %016lx", *stack++);
touch_nmi_watchdog();
}
- show_trace(tsk, regs, sp, bp);
+ show_trace(task, regs, sp, bp);
}
-void show_stack(struct task_struct *tsk, unsigned long * sp)
+void show_stack(struct task_struct *task, unsigned long *sp)
{
- _show_stack(tsk, NULL, sp, 0);
+ _show_stack(task, NULL, sp, 0);
}
/*
@@ -439,8 +412,8 @@ void show_stack(struct task_struct *tsk, unsigned long * sp)
*/
void dump_stack(void)
{
- unsigned long dummy;
unsigned long bp = 0;
+ unsigned long stack;
#ifdef CONFIG_FRAME_POINTER
if (!bp)
@@ -452,7 +425,7 @@ void dump_stack(void)
init_utsname()->release,
(int)strcspn(init_utsname()->version, " "),
init_utsname()->version);
- show_trace(NULL, NULL, &dummy, bp);
+ show_trace(NULL, NULL, &stack, bp);
}
EXPORT_SYMBOL(dump_stack);
@@ -463,12 +436,8 @@ void show_registers(struct pt_regs *regs)
unsigned long sp;
const int cpu = smp_processor_id();
struct task_struct *cur = cpu_pda(cpu)->pcurrent;
- u8 *ip;
- unsigned int code_prologue = code_bytes * 43 / 64;
- unsigned int code_len = code_bytes;
sp = regs->sp;
- ip = (u8 *) regs->ip - code_prologue;
printk("CPU %d ", cpu);
__show_regs(regs);
printk("Process %s (pid: %d, threadinfo %p, task %p)\n",
@@ -479,15 +448,21 @@ void show_registers(struct pt_regs *regs)
* time of the fault..
*/
if (!user_mode(regs)) {
+ unsigned int code_prologue = code_bytes * 43 / 64;
+ unsigned int code_len = code_bytes;
unsigned char c;
+ u8 *ip;
+
printk("Stack: ");
_show_stack(NULL, regs, (unsigned long *)sp, regs->bp);
printk("\n");
printk(KERN_EMERG "Code: ");
+
+ ip = (u8 *)regs->ip - code_prologue;
if (ip < (u8 *)PAGE_OFFSET || probe_kernel_address(ip, c)) {
/* try starting at RIP */
- ip = (u8 *) regs->ip;
+ ip = (u8 *)regs->ip;
code_len = code_len - code_prologue + 1;
}
for (i = 0; i < code_len; i++, ip++) {
@@ -503,7 +478,7 @@ void show_registers(struct pt_regs *regs)
}
}
printk("\n");
-}
+}
int is_valid_bugaddr(unsigned long ip)
{
@@ -561,10 +536,9 @@ void __kprobes oops_end(unsigned long flags, struct pt_regs *regs, int signr)
do_exit(signr);
}
-int __kprobes __die(const char * str, struct pt_regs * regs, long err)
+int __kprobes __die(const char *str, struct pt_regs *regs, long err)
{
- static int die_counter;
- printk(KERN_EMERG "%s: %04lx [%u] ", str, err & 0xffff,++die_counter);
+ printk(KERN_EMERG "%s: %04lx [%u] ", str, err & 0xffff, ++die_counter);
#ifdef CONFIG_PREEMPT
printk("PREEMPT ");
#endif
@@ -575,8 +549,10 @@ int __kprobes __die(const char * str, struct pt_regs * regs, long err)
printk("DEBUG_PAGEALLOC");
#endif
printk("\n");
- if (notify_die(DIE_OOPS, str, regs, err, current->thread.trap_no, SIGSEGV) == NOTIFY_STOP)
+ if (notify_die(DIE_OOPS, str, regs, err,
+ current->thread.trap_no, SIGSEGV) == NOTIFY_STOP)
return 1;
+
show_registers(regs);
add_taint(TAINT_DIE);
/* Executive summary in case the oops scrolled away */
@@ -588,7 +564,7 @@ int __kprobes __die(const char * str, struct pt_regs * regs, long err)
return 0;
}
-void die(const char * str, struct pt_regs * regs, long err)
+void die(const char *str, struct pt_regs *regs, long err)
{
unsigned long flags = oops_begin();
@@ -605,8 +581,7 @@ die_nmi(char *str, struct pt_regs *regs, int do_panic)
{
unsigned long flags;
- if (notify_die(DIE_NMIWATCHDOG, str, regs, 0, 2, SIGINT) ==
- NOTIFY_STOP)
+ if (notify_die(DIE_NMIWATCHDOG, str, regs, 0, 2, SIGINT) == NOTIFY_STOP)
return;
flags = oops_begin();
@@ -614,7 +589,9 @@ die_nmi(char *str, struct pt_regs *regs, int do_panic)
* We are in trouble anyway, lets at least try
* to get a message out.
*/
- printk(str, smp_processor_id());
+ printk(KERN_EMERG "%s", str);
+ printk(" on CPU%d, ip %08lx, registers:\n",
+ smp_processor_id(), regs->ip);
show_registers(regs);
if (kexec_should_crash(current))
crash_kexec(regs);
@@ -626,44 +603,44 @@ die_nmi(char *str, struct pt_regs *regs, int do_panic)
do_exit(SIGBUS);
}
-static void __kprobes do_trap(int trapnr, int signr, char *str,
- struct pt_regs * regs, long error_code,
- siginfo_t *info)
+static void __kprobes
+do_trap(int trapnr, int signr, char *str, struct pt_regs *regs,
+ long error_code, siginfo_t *info)
{
struct task_struct *tsk = current;
- if (user_mode(regs)) {
- /*
- * We want error_code and trap_no set for userspace
- * faults and kernelspace faults which result in
- * die(), but not kernelspace faults which are fixed
- * up. die() gives the process no chance to handle
- * the signal and notice the kernel fault information,
- * so that won't result in polluting the information
- * about previously queued, but not yet delivered,
- * faults. See also do_general_protection below.
- */
- tsk->thread.error_code = error_code;
- tsk->thread.trap_no = trapnr;
-
- if (show_unhandled_signals && unhandled_signal(tsk, signr) &&
- printk_ratelimit()) {
- printk(KERN_INFO
- "%s[%d] trap %s ip:%lx sp:%lx error:%lx",
- tsk->comm, tsk->pid, str,
- regs->ip, regs->sp, error_code);
- print_vma_addr(" in ", regs->ip);
- printk("\n");
- }
+ if (!user_mode(regs))
+ goto kernel_trap;
- if (info)
- force_sig_info(signr, info, tsk);
- else
- force_sig(signr, tsk);
- return;
+ /*
+ * We want error_code and trap_no set for userspace faults and
+ * kernelspace faults which result in die(), but not
+ * kernelspace faults which are fixed up. die() gives the
+ * process no chance to handle the signal and notice the
+ * kernel fault information, so that won't result in polluting
+ * the information about previously queued, but not yet
+ * delivered, faults. See also do_general_protection below.
+ */
+ tsk->thread.error_code = error_code;
+ tsk->thread.trap_no = trapnr;
+
+ if (show_unhandled_signals && unhandled_signal(tsk, signr) &&
+ printk_ratelimit()) {
+ printk(KERN_INFO
+ "%s[%d] trap %s ip:%lx sp:%lx error:%lx",
+ tsk->comm, tsk->pid, str,
+ regs->ip, regs->sp, error_code);
+ print_vma_addr(" in ", regs->ip);
+ printk("\n");
}
+ if (info)
+ force_sig_info(signr, info, tsk);
+ else
+ force_sig(signr, tsk);
+ return;
+kernel_trap:
if (!fixup_exception(regs)) {
tsk->thread.error_code = error_code;
tsk->thread.trap_no = trapnr;
@@ -673,41 +650,39 @@ static void __kprobes do_trap(int trapnr, int signr, char *str,
}
#define DO_ERROR(trapnr, signr, str, name) \
-asmlinkage void do_##name(struct pt_regs * regs, long error_code) \
-{ \
- if (notify_die(DIE_TRAP, str, regs, error_code, trapnr, signr) \
- == NOTIFY_STOP) \
- return; \
+asmlinkage void do_##name(struct pt_regs * regs, long error_code) \
+{ \
+ if (notify_die(DIE_TRAP, str, regs, error_code, trapnr, signr) \
+ == NOTIFY_STOP) \
+ return; \
conditional_sti(regs); \
- do_trap(trapnr, signr, str, regs, error_code, NULL); \
+ do_trap(trapnr, signr, str, regs, error_code, NULL); \
}
-#define DO_ERROR_INFO(trapnr, signr, str, name, sicode, siaddr) \
-asmlinkage void do_##name(struct pt_regs * regs, long error_code) \
-{ \
- siginfo_t info; \
- info.si_signo = signr; \
- info.si_errno = 0; \
- info.si_code = sicode; \
- info.si_addr = (void __user *)siaddr; \
- trace_hardirqs_fixup(); \
- if (notify_die(DIE_TRAP, str, regs, error_code, trapnr, signr) \
- == NOTIFY_STOP) \
- return; \
+#define DO_ERROR_INFO(trapnr, signr, str, name, sicode, siaddr) \
+asmlinkage void do_##name(struct pt_regs * regs, long error_code) \
+{ \
+ siginfo_t info; \
+ info.si_signo = signr; \
+ info.si_errno = 0; \
+ info.si_code = sicode; \
+ info.si_addr = (void __user *)siaddr; \
+ trace_hardirqs_fixup(); \
+ if (notify_die(DIE_TRAP, str, regs, error_code, trapnr, signr) \
+ == NOTIFY_STOP) \
+ return; \
conditional_sti(regs); \
- do_trap(trapnr, signr, str, regs, error_code, &info); \
+ do_trap(trapnr, signr, str, regs, error_code, &info); \
}
-DO_ERROR_INFO( 0, SIGFPE, "divide error", divide_error, FPE_INTDIV, regs->ip)
-DO_ERROR( 4, SIGSEGV, "overflow", overflow)
-DO_ERROR( 5, SIGSEGV, "bounds", bounds)
-DO_ERROR_INFO( 6, SIGILL, "invalid opcode", invalid_op, ILL_ILLOPN, regs->ip)
-DO_ERROR( 7, SIGSEGV, "device not available", device_not_available)
-DO_ERROR( 9, SIGFPE, "coprocessor segment overrun", coprocessor_segment_overrun)
+DO_ERROR_INFO(0, SIGFPE, "divide error", divide_error, FPE_INTDIV, regs->ip)
+DO_ERROR(4, SIGSEGV, "overflow", overflow)
+DO_ERROR(5, SIGSEGV, "bounds", bounds)
+DO_ERROR_INFO(6, SIGILL, "invalid opcode", invalid_op, ILL_ILLOPN, regs->ip)
+DO_ERROR(9, SIGFPE, "coprocessor segment overrun", coprocessor_segment_overrun)
DO_ERROR(10, SIGSEGV, "invalid TSS", invalid_TSS)
-DO_ERROR(11, SIGBUS, "segment not present", segment_not_present)
+DO_ERROR(11, SIGBUS, "segment not present", segment_not_present)
DO_ERROR_INFO(17, SIGBUS, "alignment check", alignment_check, BUS_ADRALN, 0)
-DO_ERROR(18, SIGSEGV, "reserved", reserved)
/* Runs on IST stack */
asmlinkage void do_stack_segment(struct pt_regs *regs, long error_code)
@@ -737,31 +712,34 @@ asmlinkage void do_double_fault(struct pt_regs * regs, long error_code)
die(str, regs, error_code);
}
-asmlinkage void __kprobes do_general_protection(struct pt_regs * regs,
- long error_code)
+asmlinkage void __kprobes
+do_general_protection(struct pt_regs *regs, long error_code)
{
- struct task_struct *tsk = current;
+ struct task_struct *tsk;
conditional_sti(regs);
- if (user_mode(regs)) {
- tsk->thread.error_code = error_code;
- tsk->thread.trap_no = 13;
-
- if (show_unhandled_signals && unhandled_signal(tsk, SIGSEGV) &&
- printk_ratelimit()) {
- printk(KERN_INFO
- "%s[%d] general protection ip:%lx sp:%lx error:%lx",
- tsk->comm, tsk->pid,
- regs->ip, regs->sp, error_code);
- print_vma_addr(" in ", regs->ip);
- printk("\n");
- }
+ tsk = current;
+ if (!user_mode(regs))
+ goto gp_in_kernel;
- force_sig(SIGSEGV, tsk);
- return;
- }
+ tsk->thread.error_code = error_code;
+ tsk->thread.trap_no = 13;
+
+ if (show_unhandled_signals && unhandled_signal(tsk, SIGSEGV) &&
+ printk_ratelimit()) {
+ printk(KERN_INFO
+ "%s[%d] general protection ip:%lx sp:%lx error:%lx",
+ tsk->comm, tsk->pid,
+ regs->ip, regs->sp, error_code);
+ print_vma_addr(" in ", regs->ip);
+ printk("\n");
+ }
+ force_sig(SIGSEGV, tsk);
+ return;
+
+gp_in_kernel:
if (fixup_exception(regs))
return;
@@ -774,14 +752,14 @@ asmlinkage void __kprobes do_general_protection(struct pt_regs * regs,
}
static notrace __kprobes void
-mem_parity_error(unsigned char reason, struct pt_regs * regs)
+mem_parity_error(unsigned char reason, struct pt_regs *regs)
{
printk(KERN_EMERG "Uhhuh. NMI received for unknown reason %02x.\n",
reason);
printk(KERN_EMERG "You have some hardware problem, likely on the PCI bus.\n");
#if defined(CONFIG_EDAC)
- if(edac_handler_set()) {
+ if (edac_handler_set()) {
edac_atomic_assert_error();
return;
}
@@ -798,7 +776,7 @@ mem_parity_error(unsigned char reason, struct pt_regs * regs)
}
static notrace __kprobes void
-io_check_error(unsigned char reason, struct pt_regs * regs)
+io_check_error(unsigned char reason, struct pt_regs *regs)
{
printk("NMI: IOCK error (debug interrupt?)\n");
show_registers(regs);
@@ -828,14 +806,14 @@ unknown_nmi_error(unsigned char reason, struct pt_regs * regs)
/* Runs on IST stack. This code must keep interrupts off all the time.
Nested NMIs are prevented by the CPU. */
-asmlinkage notrace __kprobes void default_do_nmi(struct pt_regs *regs)
+asmlinkage notrace __kprobes void default_do_nmi(struct pt_regs *regs)
{
unsigned char reason = 0;
int cpu;
cpu = smp_processor_id();
- /* Only the BSP gets external NMIs from the system. */
+ /* Only the BSP gets external NMIs from the system. */
if (!cpu)
reason = get_nmi_reason();
@@ -847,32 +825,57 @@ asmlinkage notrace __kprobes void default_do_nmi(struct pt_regs *regs)
* Ok, so this is none of the documented NMI sources,
* so it must be the NMI watchdog.
*/
- if (nmi_watchdog_tick(regs,reason))
+ if (nmi_watchdog_tick(regs, reason))
return;
- if (!do_nmi_callback(regs,cpu))
+ if (!do_nmi_callback(regs, cpu))
unknown_nmi_error(reason, regs);
return;
}
if (notify_die(DIE_NMI, "nmi", regs, reason, 2, SIGINT) == NOTIFY_STOP)
- return;
+ return;
/* AK: following checks seem to be broken on modern chipsets. FIXME */
-
if (reason & 0x80)
mem_parity_error(reason, regs);
if (reason & 0x40)
io_check_error(reason, regs);
}
+asmlinkage notrace __kprobes void
+do_nmi(struct pt_regs *regs, long error_code)
+{
+ nmi_enter();
+
+ add_pda(__nmi_count, 1);
+
+ if (!ignore_nmis)
+ default_do_nmi(regs);
+
+ nmi_exit();
+}
+
+void stop_nmi(void)
+{
+ acpi_nmi_disable();
+ ignore_nmis++;
+}
+
+void restart_nmi(void)
+{
+ ignore_nmis--;
+ acpi_nmi_enable();
+}
+
/* runs on IST stack. */
-asmlinkage void __kprobes do_int3(struct pt_regs * regs, long error_code)
+asmlinkage void __kprobes do_int3(struct pt_regs *regs, long error_code)
{
trace_hardirqs_fixup();
- if (notify_die(DIE_INT3, "int3", regs, error_code, 3, SIGTRAP) == NOTIFY_STOP) {
+ if (notify_die(DIE_INT3, "int3", regs, error_code, 3, SIGTRAP)
+ == NOTIFY_STOP)
return;
- }
+
preempt_conditional_sti(regs);
do_trap(3, SIGTRAP, "int3", regs, error_code, NULL);
preempt_conditional_cli(regs);
@@ -903,8 +906,8 @@ asmlinkage __kprobes struct pt_regs *sync_regs(struct pt_regs *eregs)
asmlinkage void __kprobes do_debug(struct pt_regs * regs,
unsigned long error_code)
{
- unsigned long condition;
struct task_struct *tsk = current;
+ unsigned long condition;
siginfo_t info;
trace_hardirqs_fixup();
@@ -925,21 +928,19 @@ asmlinkage void __kprobes do_debug(struct pt_regs * regs,
/* Mask out spurious debug traps due to lazy DR7 setting */
if (condition & (DR_TRAP0|DR_TRAP1|DR_TRAP2|DR_TRAP3)) {
- if (!tsk->thread.debugreg7) {
+ if (!tsk->thread.debugreg7)
goto clear_dr7;
- }
}
tsk->thread.debugreg6 = condition;
-
/*
* Single-stepping through TF: make sure we ignore any events in
* kernel space (but re-enable TF when returning to user mode).
*/
if (condition & DR_STEP) {
- if (!user_mode(regs))
- goto clear_TF_reenable;
+ if (!user_mode(regs))
+ goto clear_TF_reenable;
}
/* Ok, finally something we can handle */
@@ -952,7 +953,7 @@ asmlinkage void __kprobes do_debug(struct pt_regs * regs,
force_sig_info(SIGTRAP, &info, tsk);
clear_dr7:
- set_debugreg(0UL, 7);
+ set_debugreg(0, 7);
preempt_conditional_cli(regs);
return;
@@ -960,6 +961,7 @@ clear_TF_reenable:
set_tsk_thread_flag(tsk, TIF_SINGLESTEP);
regs->flags &= ~X86_EFLAGS_TF;
preempt_conditional_cli(regs);
+ return;
}
static int kernel_math_error(struct pt_regs *regs, const char *str, int trapnr)
@@ -982,7 +984,7 @@ static int kernel_math_error(struct pt_regs *regs, const char *str, int trapnr)
asmlinkage void do_coprocessor_error(struct pt_regs *regs)
{
void __user *ip = (void __user *)(regs->ip);
- struct task_struct * task;
+ struct task_struct *task;
siginfo_t info;
unsigned short cwd, swd;
@@ -1015,30 +1017,30 @@ asmlinkage void do_coprocessor_error(struct pt_regs *regs)
cwd = get_fpu_cwd(task);
swd = get_fpu_swd(task);
switch (swd & ~cwd & 0x3f) {
- case 0x000:
- default:
- break;
- case 0x001: /* Invalid Op */
- /*
- * swd & 0x240 == 0x040: Stack Underflow
- * swd & 0x240 == 0x240: Stack Overflow
- * User must clear the SF bit (0x40) if set
- */
- info.si_code = FPE_FLTINV;
- break;
- case 0x002: /* Denormalize */
- case 0x010: /* Underflow */
- info.si_code = FPE_FLTUND;
- break;
- case 0x004: /* Zero Divide */
- info.si_code = FPE_FLTDIV;
- break;
- case 0x008: /* Overflow */
- info.si_code = FPE_FLTOVF;
- break;
- case 0x020: /* Precision */
- info.si_code = FPE_FLTRES;
- break;
+ case 0x000: /* No unmasked exception */
+ default: /* Multiple exceptions */
+ break;
+ case 0x001: /* Invalid Op */
+ /*
+ * swd & 0x240 == 0x040: Stack Underflow
+ * swd & 0x240 == 0x240: Stack Overflow
+ * User must clear the SF bit (0x40) if set
+ */
+ info.si_code = FPE_FLTINV;
+ break;
+ case 0x002: /* Denormalize */
+ case 0x010: /* Underflow */
+ info.si_code = FPE_FLTUND;
+ break;
+ case 0x004: /* Zero Divide */
+ info.si_code = FPE_FLTDIV;
+ break;
+ case 0x008: /* Overflow */
+ info.si_code = FPE_FLTOVF;
+ break;
+ case 0x020: /* Precision */
+ info.si_code = FPE_FLTRES;
+ break;
}
force_sig_info(SIGFPE, &info, task);
}
@@ -1051,7 +1053,7 @@ asmlinkage void bad_intr(void)
asmlinkage void do_simd_coprocessor_error(struct pt_regs *regs)
{
void __user *ip = (void __user *)(regs->ip);
- struct task_struct * task;
+ struct task_struct *task;
siginfo_t info;
unsigned short mxcsr;
@@ -1079,25 +1081,25 @@ asmlinkage void do_simd_coprocessor_error(struct pt_regs *regs)
*/
mxcsr = get_fpu_mxcsr(task);
switch (~((mxcsr & 0x1f80) >> 7) & (mxcsr & 0x3f)) {
- case 0x000:
- default:
- break;
- case 0x001: /* Invalid Op */
- info.si_code = FPE_FLTINV;
- break;
- case 0x002: /* Denormalize */
- case 0x010: /* Underflow */
- info.si_code = FPE_FLTUND;
- break;
- case 0x004: /* Zero Divide */
- info.si_code = FPE_FLTDIV;
- break;
- case 0x008: /* Overflow */
- info.si_code = FPE_FLTOVF;
- break;
- case 0x020: /* Precision */
- info.si_code = FPE_FLTRES;
- break;
+ case 0x000:
+ default:
+ break;
+ case 0x001: /* Invalid Op */
+ info.si_code = FPE_FLTINV;
+ break;
+ case 0x002: /* Denormalize */
+ case 0x010: /* Underflow */
+ info.si_code = FPE_FLTUND;
+ break;
+ case 0x004: /* Zero Divide */
+ info.si_code = FPE_FLTDIV;
+ break;
+ case 0x008: /* Overflow */
+ info.si_code = FPE_FLTOVF;
+ break;
+ case 0x020: /* Precision */
+ info.si_code = FPE_FLTRES;
+ break;
}
force_sig_info(SIGFPE, &info, task);
}
@@ -1115,7 +1117,7 @@ asmlinkage void __attribute__((weak)) mce_threshold_interrupt(void)
}
/*
- * 'math_state_restore()' saves the current math information in the
+ * 'math_state_restore()' saves the current math information in the
* old math state array, and gets the new ones from the current task
*
* Careful.. There are problems with IBM-designed IRQ13 behaviour.
@@ -1140,7 +1142,7 @@ asmlinkage void math_state_restore(void)
local_irq_disable();
}
- clts(); /* Allow maths ops (or we recurse) */
+ clts(); /* Allow maths ops (or we recurse) */
restore_fpu_checking(&me->thread.xstate->fxsave);
task_thread_info(me)->status |= TS_USEDFPU;
me->fpu_counter++;
@@ -1149,64 +1151,61 @@ EXPORT_SYMBOL_GPL(math_state_restore);
void __init trap_init(void)
{
- set_intr_gate(0,&divide_error);
- set_intr_gate_ist(1,&debug,DEBUG_STACK);
- set_intr_gate_ist(2,&nmi,NMI_STACK);
- set_system_gate_ist(3,&int3,DEBUG_STACK); /* int3 can be called from all */
- set_system_gate(4,&overflow); /* int4 can be called from all */
- set_intr_gate(5,&bounds);
- set_intr_gate(6,&invalid_op);
- set_intr_gate(7,&device_not_available);
- set_intr_gate_ist(8,&double_fault, DOUBLEFAULT_STACK);
- set_intr_gate(9,&coprocessor_segment_overrun);
- set_intr_gate(10,&invalid_TSS);
- set_intr_gate(11,&segment_not_present);
- set_intr_gate_ist(12,&stack_segment,STACKFAULT_STACK);
- set_intr_gate(13,&general_protection);
- set_intr_gate(14,&page_fault);
- set_intr_gate(15,&spurious_interrupt_bug);
- set_intr_gate(16,&coprocessor_error);
- set_intr_gate(17,&alignment_check);
+ set_intr_gate(0, &divide_error);
+ set_intr_gate_ist(1, &debug, DEBUG_STACK);
+ set_intr_gate_ist(2, &nmi, NMI_STACK);
+ set_system_gate_ist(3, &int3, DEBUG_STACK); /* int3 can be called from all */
+ set_system_gate(4, &overflow); /* int4 can be called from all */
+ set_intr_gate(5, &bounds);
+ set_intr_gate(6, &invalid_op);
+ set_intr_gate(7, &device_not_available);
+ set_intr_gate_ist(8, &double_fault, DOUBLEFAULT_STACK);
+ set_intr_gate(9, &coprocessor_segment_overrun);
+ set_intr_gate(10, &invalid_TSS);
+ set_intr_gate(11, &segment_not_present);
+ set_intr_gate_ist(12, &stack_segment, STACKFAULT_STACK);
+ set_intr_gate(13, &general_protection);
+ set_intr_gate(14, &page_fault);
+ set_intr_gate(15, &spurious_interrupt_bug);
+ set_intr_gate(16, &coprocessor_error);
+ set_intr_gate(17, &alignment_check);
#ifdef CONFIG_X86_MCE
- set_intr_gate_ist(18,&machine_check, MCE_STACK);
+ set_intr_gate_ist(18, &machine_check, MCE_STACK);
#endif
- set_intr_gate(19,&simd_coprocessor_error);
+ set_intr_gate(19, &simd_coprocessor_error);
#ifdef CONFIG_IA32_EMULATION
set_system_gate(IA32_SYSCALL_VECTOR, ia32_syscall);
#endif
-
/*
* initialize the per thread extended state:
*/
- init_thread_xstate();
+ init_thread_xstate();
/*
- * Should be a barrier for any external CPU state.
+ * Should be a barrier for any external CPU state:
*/
cpu_init();
}
-
static int __init oops_setup(char *s)
-{
+{
if (!s)
return -EINVAL;
if (!strcmp(s, "panic"))
panic_on_oops = 1;
return 0;
-}
+}
early_param("oops", oops_setup);
static int __init kstack_setup(char *s)
{
if (!s)
return -EINVAL;
- kstack_depth_to_print = simple_strtoul(s,NULL,0);
+ kstack_depth_to_print = simple_strtoul(s, NULL, 0);
return 0;
}
early_param("kstack", kstack_setup);
-
static int __init code_bytes_setup(char *s)
{
code_bytes = simple_strtoul(s, NULL, 0);
diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c
new file mode 100644
index 00000000000..3c36f92160c
--- /dev/null
+++ b/arch/x86/kernel/tsc.c
@@ -0,0 +1,533 @@
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/timer.h>
+#include <linux/acpi_pmtmr.h>
+#include <linux/cpufreq.h>
+#include <linux/dmi.h>
+#include <linux/delay.h>
+#include <linux/clocksource.h>
+#include <linux/percpu.h>
+
+#include <asm/hpet.h>
+#include <asm/timer.h>
+#include <asm/vgtod.h>
+#include <asm/time.h>
+#include <asm/delay.h>
+
+unsigned int cpu_khz; /* TSC clocks / usec, not used here */
+EXPORT_SYMBOL(cpu_khz);
+unsigned int tsc_khz;
+EXPORT_SYMBOL(tsc_khz);
+
+/*
+ * TSC can be unstable due to cpufreq or due to unsynced TSCs
+ */
+static int tsc_unstable;
+
+/* native_sched_clock() is called before tsc_init(), so
+ we must start with the TSC soft disabled to prevent
+ erroneous rdtsc usage on !cpu_has_tsc processors */
+static int tsc_disabled = -1;
+
+/*
+ * Scheduler clock - returns current time in nanosec units.
+ */
+u64 native_sched_clock(void)
+{
+ u64 this_offset;
+
+ /*
+ * Fall back to jiffies if there's no TSC available:
+ * ( But note that we still use it if the TSC is marked
+ * unstable. We do this because unlike Time Of Day,
+ * the scheduler clock tolerates small errors and it's
+ * very important for it to be as fast as the platform
+ * can achive it. )
+ */
+ if (unlikely(tsc_disabled)) {
+ /* No locking but a rare wrong value is not a big deal: */
+ return (jiffies_64 - INITIAL_JIFFIES) * (1000000000 / HZ);
+ }
+
+ /* read the Time Stamp Counter: */
+ rdtscll(this_offset);
+
+ /* return the value in ns */
+ return cycles_2_ns(this_offset);
+}
+
+/* We need to define a real function for sched_clock, to override the
+ weak default version */
+#ifdef CONFIG_PARAVIRT
+unsigned long long sched_clock(void)
+{
+ return paravirt_sched_clock();
+}
+#else
+unsigned long long
+sched_clock(void) __attribute__((alias("native_sched_clock")));
+#endif
+
+int check_tsc_unstable(void)
+{
+ return tsc_unstable;
+}
+EXPORT_SYMBOL_GPL(check_tsc_unstable);
+
+#ifdef CONFIG_X86_TSC
+int __init notsc_setup(char *str)
+{
+ printk(KERN_WARNING "notsc: Kernel compiled with CONFIG_X86_TSC, "
+ "cannot disable TSC completely.\n");
+ tsc_disabled = 1;
+ return 1;
+}
+#else
+/*
+ * disable flag for tsc. Takes effect by clearing the TSC cpu flag
+ * in cpu/common.c
+ */
+int __init notsc_setup(char *str)
+{
+ setup_clear_cpu_cap(X86_FEATURE_TSC);
+ return 1;
+}
+#endif
+
+__setup("notsc", notsc_setup);
+
+#define MAX_RETRIES 5
+#define SMI_TRESHOLD 50000
+
+/*
+ * Read TSC and the reference counters. Take care of SMI disturbance
+ */
+static u64 __init tsc_read_refs(u64 *pm, u64 *hpet)
+{
+ u64 t1, t2;
+ int i;
+
+ for (i = 0; i < MAX_RETRIES; i++) {
+ t1 = get_cycles();
+ if (hpet)
+ *hpet = hpet_readl(HPET_COUNTER) & 0xFFFFFFFF;
+ else
+ *pm = acpi_pm_read_early();
+ t2 = get_cycles();
+ if ((t2 - t1) < SMI_TRESHOLD)
+ return t2;
+ }
+ return ULLONG_MAX;
+}
+
+/**
+ * native_calibrate_tsc - calibrate the tsc on boot
+ */
+unsigned long native_calibrate_tsc(void)
+{
+ unsigned long flags;
+ u64 tsc1, tsc2, tr1, tr2, delta, pm1, pm2, hpet1, hpet2;
+ int hpet = is_hpet_enabled();
+ unsigned int tsc_khz_val = 0;
+
+ local_irq_save(flags);
+
+ tsc1 = tsc_read_refs(&pm1, hpet ? &hpet1 : NULL);
+
+ outb((inb(0x61) & ~0x02) | 0x01, 0x61);
+
+ outb(0xb0, 0x43);
+ outb((CLOCK_TICK_RATE / (1000 / 50)) & 0xff, 0x42);
+ outb((CLOCK_TICK_RATE / (1000 / 50)) >> 8, 0x42);
+ tr1 = get_cycles();
+ while ((inb(0x61) & 0x20) == 0);
+ tr2 = get_cycles();
+
+ tsc2 = tsc_read_refs(&pm2, hpet ? &hpet2 : NULL);
+
+ local_irq_restore(flags);
+
+ /*
+ * Preset the result with the raw and inaccurate PIT
+ * calibration value
+ */
+ delta = (tr2 - tr1);
+ do_div(delta, 50);
+ tsc_khz_val = delta;
+
+ /* hpet or pmtimer available ? */
+ if (!hpet && !pm1 && !pm2) {
+ printk(KERN_INFO "TSC calibrated against PIT\n");
+ goto out;
+ }
+
+ /* Check, whether the sampling was disturbed by an SMI */
+ if (tsc1 == ULLONG_MAX || tsc2 == ULLONG_MAX) {
+ printk(KERN_WARNING "TSC calibration disturbed by SMI, "
+ "using PIT calibration result\n");
+ goto out;
+ }
+
+ tsc2 = (tsc2 - tsc1) * 1000000LL;
+
+ if (hpet) {
+ printk(KERN_INFO "TSC calibrated against HPET\n");
+ if (hpet2 < hpet1)
+ hpet2 += 0x100000000ULL;
+ hpet2 -= hpet1;
+ tsc1 = ((u64)hpet2 * hpet_readl(HPET_PERIOD));
+ do_div(tsc1, 1000000);
+ } else {
+ printk(KERN_INFO "TSC calibrated against PM_TIMER\n");
+ if (pm2 < pm1)
+ pm2 += (u64)ACPI_PM_OVRRUN;
+ pm2 -= pm1;
+ tsc1 = pm2 * 1000000000LL;
+ do_div(tsc1, PMTMR_TICKS_PER_SEC);
+ }
+
+ do_div(tsc2, tsc1);
+ tsc_khz_val = tsc2;
+
+out:
+ return tsc_khz_val;
+}
+
+
+#ifdef CONFIG_X86_32
+/* Only called from the Powernow K7 cpu freq driver */
+int recalibrate_cpu_khz(void)
+{
+#ifndef CONFIG_SMP
+ unsigned long cpu_khz_old = cpu_khz;
+
+ if (cpu_has_tsc) {
+ tsc_khz = calibrate_tsc();
+ cpu_khz = tsc_khz;
+ cpu_data(0).loops_per_jiffy =
+ cpufreq_scale(cpu_data(0).loops_per_jiffy,
+ cpu_khz_old, cpu_khz);
+ return 0;
+ } else
+ return -ENODEV;
+#else
+ return -ENODEV;
+#endif
+}
+
+EXPORT_SYMBOL(recalibrate_cpu_khz);
+
+#endif /* CONFIG_X86_32 */
+
+/* Accelerators for sched_clock()
+ * convert from cycles(64bits) => nanoseconds (64bits)
+ * basic equation:
+ * ns = cycles / (freq / ns_per_sec)
+ * ns = cycles * (ns_per_sec / freq)
+ * ns = cycles * (10^9 / (cpu_khz * 10^3))
+ * ns = cycles * (10^6 / cpu_khz)
+ *
+ * Then we use scaling math (suggested by george@mvista.com) to get:
+ * ns = cycles * (10^6 * SC / cpu_khz) / SC
+ * ns = cycles * cyc2ns_scale / SC
+ *
+ * And since SC is a constant power of two, we can convert the div
+ * into a shift.
+ *
+ * We can use khz divisor instead of mhz to keep a better precision, since
+ * cyc2ns_scale is limited to 10^6 * 2^10, which fits in 32 bits.
+ * (mathieu.desnoyers@polymtl.ca)
+ *
+ * -johnstul@us.ibm.com "math is hard, lets go shopping!"
+ */
+
+DEFINE_PER_CPU(unsigned long, cyc2ns);
+
+static void set_cyc2ns_scale(unsigned long cpu_khz, int cpu)
+{
+ unsigned long long tsc_now, ns_now;
+ unsigned long flags, *scale;
+
+ local_irq_save(flags);
+ sched_clock_idle_sleep_event();
+
+ scale = &per_cpu(cyc2ns, cpu);
+
+ rdtscll(tsc_now);
+ ns_now = __cycles_2_ns(tsc_now);
+
+ if (cpu_khz)
+ *scale = (NSEC_PER_MSEC << CYC2NS_SCALE_FACTOR)/cpu_khz;
+
+ sched_clock_idle_wakeup_event(0);
+ local_irq_restore(flags);
+}
+
+#ifdef CONFIG_CPU_FREQ
+
+/* Frequency scaling support. Adjust the TSC based timer when the cpu frequency
+ * changes.
+ *
+ * RED-PEN: On SMP we assume all CPUs run with the same frequency. It's
+ * not that important because current Opteron setups do not support
+ * scaling on SMP anyroads.
+ *
+ * Should fix up last_tsc too. Currently gettimeofday in the
+ * first tick after the change will be slightly wrong.
+ */
+
+static unsigned int ref_freq;
+static unsigned long loops_per_jiffy_ref;
+static unsigned long tsc_khz_ref;
+
+static int time_cpufreq_notifier(struct notifier_block *nb, unsigned long val,
+ void *data)
+{
+ struct cpufreq_freqs *freq = data;
+ unsigned long *lpj, dummy;
+
+ if (cpu_has(&cpu_data(freq->cpu), X86_FEATURE_CONSTANT_TSC))
+ return 0;
+
+ lpj = &dummy;
+ if (!(freq->flags & CPUFREQ_CONST_LOOPS))
+#ifdef CONFIG_SMP
+ lpj = &cpu_data(freq->cpu).loops_per_jiffy;
+#else
+ lpj = &boot_cpu_data.loops_per_jiffy;
+#endif
+
+ if (!ref_freq) {
+ ref_freq = freq->old;
+ loops_per_jiffy_ref = *lpj;
+ tsc_khz_ref = tsc_khz;
+ }
+ if ((val == CPUFREQ_PRECHANGE && freq->old < freq->new) ||
+ (val == CPUFREQ_POSTCHANGE && freq->old > freq->new) ||
+ (val == CPUFREQ_RESUMECHANGE)) {
+ *lpj = cpufreq_scale(loops_per_jiffy_ref, ref_freq, freq->new);
+
+ tsc_khz = cpufreq_scale(tsc_khz_ref, ref_freq, freq->new);
+ if (!(freq->flags & CPUFREQ_CONST_LOOPS))
+ mark_tsc_unstable("cpufreq changes");
+ }
+
+ set_cyc2ns_scale(tsc_khz_ref, freq->cpu);
+
+ return 0;
+}
+
+static struct notifier_block time_cpufreq_notifier_block = {
+ .notifier_call = time_cpufreq_notifier
+};
+
+static int __init cpufreq_tsc(void)
+{
+ cpufreq_register_notifier(&time_cpufreq_notifier_block,
+ CPUFREQ_TRANSITION_NOTIFIER);
+ return 0;
+}
+
+core_initcall(cpufreq_tsc);
+
+#endif /* CONFIG_CPU_FREQ */
+
+/* clocksource code */
+
+static struct clocksource clocksource_tsc;
+
+/*
+ * We compare the TSC to the cycle_last value in the clocksource
+ * structure to avoid a nasty time-warp. This can be observed in a
+ * very small window right after one CPU updated cycle_last under
+ * xtime/vsyscall_gtod lock and the other CPU reads a TSC value which
+ * is smaller than the cycle_last reference value due to a TSC which
+ * is slighty behind. This delta is nowhere else observable, but in
+ * that case it results in a forward time jump in the range of hours
+ * due to the unsigned delta calculation of the time keeping core
+ * code, which is necessary to support wrapping clocksources like pm
+ * timer.
+ */
+static cycle_t read_tsc(void)
+{
+ cycle_t ret = (cycle_t)get_cycles();
+
+ return ret >= clocksource_tsc.cycle_last ?
+ ret : clocksource_tsc.cycle_last;
+}
+
+static cycle_t __vsyscall_fn vread_tsc(void)
+{
+ cycle_t ret = (cycle_t)vget_cycles();
+
+ return ret >= __vsyscall_gtod_data.clock.cycle_last ?
+ ret : __vsyscall_gtod_data.clock.cycle_last;
+}
+
+static struct clocksource clocksource_tsc = {
+ .name = "tsc",
+ .rating = 300,
+ .read = read_tsc,
+ .mask = CLOCKSOURCE_MASK(64),
+ .shift = 22,
+ .flags = CLOCK_SOURCE_IS_CONTINUOUS |
+ CLOCK_SOURCE_MUST_VERIFY,
+#ifdef CONFIG_X86_64
+ .vread = vread_tsc,
+#endif
+};
+
+void mark_tsc_unstable(char *reason)
+{
+ if (!tsc_unstable) {
+ tsc_unstable = 1;
+ printk("Marking TSC unstable due to %s\n", reason);
+ /* Change only the rating, when not registered */
+ if (clocksource_tsc.mult)
+ clocksource_change_rating(&clocksource_tsc, 0);
+ else
+ clocksource_tsc.rating = 0;
+ }
+}
+
+EXPORT_SYMBOL_GPL(mark_tsc_unstable);
+
+static int __init dmi_mark_tsc_unstable(const struct dmi_system_id *d)
+{
+ printk(KERN_NOTICE "%s detected: marking TSC unstable.\n",
+ d->ident);
+ tsc_unstable = 1;
+ return 0;
+}
+
+/* List of systems that have known TSC problems */
+static struct dmi_system_id __initdata bad_tsc_dmi_table[] = {
+ {
+ .callback = dmi_mark_tsc_unstable,
+ .ident = "IBM Thinkpad 380XD",
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "IBM"),
+ DMI_MATCH(DMI_BOARD_NAME, "2635FA0"),
+ },
+ },
+ {}
+};
+
+/*
+ * Geode_LX - the OLPC CPU has a possibly a very reliable TSC
+ */
+#ifdef CONFIG_MGEODE_LX
+/* RTSC counts during suspend */
+#define RTSC_SUSP 0x100
+
+static void __init check_geode_tsc_reliable(void)
+{
+ unsigned long res_low, res_high;
+
+ rdmsr_safe(MSR_GEODE_BUSCONT_CONF0, &res_low, &res_high);
+ if (res_low & RTSC_SUSP)
+ clocksource_tsc.flags &= ~CLOCK_SOURCE_MUST_VERIFY;
+}
+#else
+static inline void check_geode_tsc_reliable(void) { }
+#endif
+
+/*
+ * Make an educated guess if the TSC is trustworthy and synchronized
+ * over all CPUs.
+ */
+__cpuinit int unsynchronized_tsc(void)
+{
+ if (!cpu_has_tsc || tsc_unstable)
+ return 1;
+
+#ifdef CONFIG_SMP
+ if (apic_is_clustered_box())
+ return 1;
+#endif
+
+ if (boot_cpu_has(X86_FEATURE_CONSTANT_TSC))
+ return 0;
+ /*
+ * Intel systems are normally all synchronized.
+ * Exceptions must mark TSC as unstable:
+ */
+ if (boot_cpu_data.x86_vendor != X86_VENDOR_INTEL) {
+ /* assume multi socket systems are not synchronized: */
+ if (num_possible_cpus() > 1)
+ tsc_unstable = 1;
+ }
+
+ return tsc_unstable;
+}
+
+static void __init init_tsc_clocksource(void)
+{
+ clocksource_tsc.mult = clocksource_khz2mult(tsc_khz,
+ clocksource_tsc.shift);
+ /* lower the rating if we already know its unstable: */
+ if (check_tsc_unstable()) {
+ clocksource_tsc.rating = 0;
+ clocksource_tsc.flags &= ~CLOCK_SOURCE_IS_CONTINUOUS;
+ }
+ clocksource_register(&clocksource_tsc);
+}
+
+void __init tsc_init(void)
+{
+ u64 lpj;
+ int cpu;
+
+ if (!cpu_has_tsc)
+ return;
+
+ tsc_khz = calibrate_tsc();
+ cpu_khz = tsc_khz;
+
+ if (!tsc_khz) {
+ mark_tsc_unstable("could not calculate TSC khz");
+ return;
+ }
+
+#ifdef CONFIG_X86_64
+ if (cpu_has(&boot_cpu_data, X86_FEATURE_CONSTANT_TSC) &&
+ (boot_cpu_data.x86_vendor == X86_VENDOR_AMD))
+ cpu_khz = calibrate_cpu();
+#endif
+
+ lpj = ((u64)tsc_khz * 1000);
+ do_div(lpj, HZ);
+ lpj_fine = lpj;
+
+ printk("Detected %lu.%03lu MHz processor.\n",
+ (unsigned long)cpu_khz / 1000,
+ (unsigned long)cpu_khz % 1000);
+
+ /*
+ * Secondary CPUs do not run through tsc_init(), so set up
+ * all the scale factors for all CPUs, assuming the same
+ * speed as the bootup CPU. (cpufreq notifiers will fix this
+ * up if their speed diverges)
+ */
+ for_each_possible_cpu(cpu)
+ set_cyc2ns_scale(cpu_khz, cpu);
+
+ if (tsc_disabled > 0)
+ return;
+
+ /* now allow native_sched_clock() to use rdtsc */
+ tsc_disabled = 0;
+
+ use_tsc_delay();
+ /* Check and install the TSC clocksource */
+ dmi_check_system(bad_tsc_dmi_table);
+
+ if (unsynchronized_tsc())
+ mark_tsc_unstable("TSCs unsynchronized");
+
+ check_geode_tsc_reliable();
+ init_tsc_clocksource();
+}
+
diff --git a/arch/x86/kernel/tsc_32.c b/arch/x86/kernel/tsc_32.c
deleted file mode 100644
index 65b70637ad9..00000000000
--- a/arch/x86/kernel/tsc_32.c
+++ /dev/null
@@ -1,451 +0,0 @@
-#include <linux/sched.h>
-#include <linux/clocksource.h>
-#include <linux/workqueue.h>
-#include <linux/cpufreq.h>
-#include <linux/jiffies.h>
-#include <linux/init.h>
-#include <linux/dmi.h>
-#include <linux/percpu.h>
-
-#include <asm/delay.h>
-#include <asm/tsc.h>
-#include <asm/io.h>
-#include <asm/timer.h>
-
-#include "mach_timer.h"
-
-/* native_sched_clock() is called before tsc_init(), so
- we must start with the TSC soft disabled to prevent
- erroneous rdtsc usage on !cpu_has_tsc processors */
-static int tsc_disabled = -1;
-
-/*
- * On some systems the TSC frequency does not
- * change with the cpu frequency. So we need
- * an extra value to store the TSC freq
- */
-unsigned int tsc_khz;
-EXPORT_SYMBOL_GPL(tsc_khz);
-
-#ifdef CONFIG_X86_TSC
-static int __init tsc_setup(char *str)
-{
- printk(KERN_WARNING "notsc: Kernel compiled with CONFIG_X86_TSC, "
- "cannot disable TSC completely.\n");
- tsc_disabled = 1;
- return 1;
-}
-#else
-/*
- * disable flag for tsc. Takes effect by clearing the TSC cpu flag
- * in cpu/common.c
- */
-static int __init tsc_setup(char *str)
-{
- setup_clear_cpu_cap(X86_FEATURE_TSC);
- return 1;
-}
-#endif
-
-__setup("notsc", tsc_setup);
-
-/*
- * code to mark and check if the TSC is unstable
- * due to cpufreq or due to unsynced TSCs
- */
-static int tsc_unstable;
-
-int check_tsc_unstable(void)
-{
- return tsc_unstable;
-}
-EXPORT_SYMBOL_GPL(check_tsc_unstable);
-
-/* Accelerators for sched_clock()
- * convert from cycles(64bits) => nanoseconds (64bits)
- * basic equation:
- * ns = cycles / (freq / ns_per_sec)
- * ns = cycles * (ns_per_sec / freq)
- * ns = cycles * (10^9 / (cpu_khz * 10^3))
- * ns = cycles * (10^6 / cpu_khz)
- *
- * Then we use scaling math (suggested by george@mvista.com) to get:
- * ns = cycles * (10^6 * SC / cpu_khz) / SC
- * ns = cycles * cyc2ns_scale / SC
- *
- * And since SC is a constant power of two, we can convert the div
- * into a shift.
- *
- * We can use khz divisor instead of mhz to keep a better precision, since
- * cyc2ns_scale is limited to 10^6 * 2^10, which fits in 32 bits.
- * (mathieu.desnoyers@polymtl.ca)
- *
- * -johnstul@us.ibm.com "math is hard, lets go shopping!"
- */
-
-DEFINE_PER_CPU(unsigned long, cyc2ns);
-
-static void set_cyc2ns_scale(unsigned long cpu_khz, int cpu)
-{
- unsigned long long tsc_now, ns_now;
- unsigned long flags, *scale;
-
- local_irq_save(flags);
- sched_clock_idle_sleep_event();
-
- scale = &per_cpu(cyc2ns, cpu);
-
- rdtscll(tsc_now);
- ns_now = __cycles_2_ns(tsc_now);
-
- if (cpu_khz)
- *scale = (NSEC_PER_MSEC << CYC2NS_SCALE_FACTOR)/cpu_khz;
-
- /*
- * Start smoothly with the new frequency:
- */
- sched_clock_idle_wakeup_event(0);
- local_irq_restore(flags);
-}
-
-/*
- * Scheduler clock - returns current time in nanosec units.
- */
-unsigned long long native_sched_clock(void)
-{
- unsigned long long this_offset;
-
- /*
- * Fall back to jiffies if there's no TSC available:
- * ( But note that we still use it if the TSC is marked
- * unstable. We do this because unlike Time Of Day,
- * the scheduler clock tolerates small errors and it's
- * very important for it to be as fast as the platform
- * can achive it. )
- */
- if (unlikely(tsc_disabled))
- /* No locking but a rare wrong value is not a big deal: */
- return (jiffies_64 - INITIAL_JIFFIES) * (1000000000 / HZ);
-
- /* read the Time Stamp Counter: */
- rdtscll(this_offset);
-
- /* return the value in ns */
- return cycles_2_ns(this_offset);
-}
-
-/* We need to define a real function for sched_clock, to override the
- weak default version */
-#ifdef CONFIG_PARAVIRT
-unsigned long long sched_clock(void)
-{
- return paravirt_sched_clock();
-}
-#else
-unsigned long long sched_clock(void)
- __attribute__((alias("native_sched_clock")));
-#endif
-
-unsigned long native_calculate_cpu_khz(void)
-{
- unsigned long long start, end;
- unsigned long count;
- u64 delta64 = (u64)ULLONG_MAX;
- int i;
- unsigned long flags;
-
- local_irq_save(flags);
-
- /* run 3 times to ensure the cache is warm and to get an accurate reading */
- for (i = 0; i < 3; i++) {
- mach_prepare_counter();
- rdtscll(start);
- mach_countup(&count);
- rdtscll(end);
-
- /*
- * Error: ECTCNEVERSET
- * The CTC wasn't reliable: we got a hit on the very first read,
- * or the CPU was so fast/slow that the quotient wouldn't fit in
- * 32 bits..
- */
- if (count <= 1)
- continue;
-
- /* cpu freq too slow: */
- if ((end - start) <= CALIBRATE_TIME_MSEC)
- continue;
-
- /*
- * We want the minimum time of all runs in case one of them
- * is inaccurate due to SMI or other delay
- */
- delta64 = min(delta64, (end - start));
- }
-
- /* cpu freq too fast (or every run was bad): */
- if (delta64 > (1ULL<<32))
- goto err;
-
- delta64 += CALIBRATE_TIME_MSEC/2; /* round for do_div */
- do_div(delta64,CALIBRATE_TIME_MSEC);
-
- local_irq_restore(flags);
- return (unsigned long)delta64;
-err:
- local_irq_restore(flags);
- return 0;
-}
-
-int recalibrate_cpu_khz(void)
-{
-#ifndef CONFIG_SMP
- unsigned long cpu_khz_old = cpu_khz;
-
- if (cpu_has_tsc) {
- cpu_khz = calculate_cpu_khz();
- tsc_khz = cpu_khz;
- cpu_data(0).loops_per_jiffy =
- cpufreq_scale(cpu_data(0).loops_per_jiffy,
- cpu_khz_old, cpu_khz);
- return 0;
- } else
- return -ENODEV;
-#else
- return -ENODEV;
-#endif
-}
-
-EXPORT_SYMBOL(recalibrate_cpu_khz);
-
-#ifdef CONFIG_CPU_FREQ
-
-/*
- * if the CPU frequency is scaled, TSC-based delays will need a different
- * loops_per_jiffy value to function properly.
- */
-static unsigned int ref_freq;
-static unsigned long loops_per_jiffy_ref;
-static unsigned long cpu_khz_ref;
-
-static int
-time_cpufreq_notifier(struct notifier_block *nb, unsigned long val, void *data)
-{
- struct cpufreq_freqs *freq = data;
-
- if (!ref_freq) {
- if (!freq->old){
- ref_freq = freq->new;
- return 0;
- }
- ref_freq = freq->old;
- loops_per_jiffy_ref = cpu_data(freq->cpu).loops_per_jiffy;
- cpu_khz_ref = cpu_khz;
- }
-
- if ((val == CPUFREQ_PRECHANGE && freq->old < freq->new) ||
- (val == CPUFREQ_POSTCHANGE && freq->old > freq->new) ||
- (val == CPUFREQ_RESUMECHANGE)) {
- if (!(freq->flags & CPUFREQ_CONST_LOOPS))
- cpu_data(freq->cpu).loops_per_jiffy =
- cpufreq_scale(loops_per_jiffy_ref,
- ref_freq, freq->new);
-
- if (cpu_khz) {
-
- if (num_online_cpus() == 1)
- cpu_khz = cpufreq_scale(cpu_khz_ref,
- ref_freq, freq->new);
- if (!(freq->flags & CPUFREQ_CONST_LOOPS)) {
- tsc_khz = cpu_khz;
- set_cyc2ns_scale(cpu_khz, freq->cpu);
- /*
- * TSC based sched_clock turns
- * to junk w/ cpufreq
- */
- mark_tsc_unstable("cpufreq changes");
- }
- }
- }
-
- return 0;
-}
-
-static struct notifier_block time_cpufreq_notifier_block = {
- .notifier_call = time_cpufreq_notifier
-};
-
-static int __init cpufreq_tsc(void)
-{
- return cpufreq_register_notifier(&time_cpufreq_notifier_block,
- CPUFREQ_TRANSITION_NOTIFIER);
-}
-core_initcall(cpufreq_tsc);
-
-#endif
-
-/* clock source code */
-
-static unsigned long current_tsc_khz;
-static struct clocksource clocksource_tsc;
-
-/*
- * We compare the TSC to the cycle_last value in the clocksource
- * structure to avoid a nasty time-warp issue. This can be observed in
- * a very small window right after one CPU updated cycle_last under
- * xtime lock and the other CPU reads a TSC value which is smaller
- * than the cycle_last reference value due to a TSC which is slighty
- * behind. This delta is nowhere else observable, but in that case it
- * results in a forward time jump in the range of hours due to the
- * unsigned delta calculation of the time keeping core code, which is
- * necessary to support wrapping clocksources like pm timer.
- */
-static cycle_t read_tsc(void)
-{
- cycle_t ret;
-
- rdtscll(ret);
-
- return ret >= clocksource_tsc.cycle_last ?
- ret : clocksource_tsc.cycle_last;
-}
-
-static struct clocksource clocksource_tsc = {
- .name = "tsc",
- .rating = 300,
- .read = read_tsc,
- .mask = CLOCKSOURCE_MASK(64),
- .mult = 0, /* to be set */
- .shift = 22,
- .flags = CLOCK_SOURCE_IS_CONTINUOUS |
- CLOCK_SOURCE_MUST_VERIFY,
-};
-
-void mark_tsc_unstable(char *reason)
-{
- if (!tsc_unstable) {
- tsc_unstable = 1;
- printk("Marking TSC unstable due to: %s.\n", reason);
- /* Can be called before registration */
- if (clocksource_tsc.mult)
- clocksource_change_rating(&clocksource_tsc, 0);
- else
- clocksource_tsc.rating = 0;
- }
-}
-EXPORT_SYMBOL_GPL(mark_tsc_unstable);
-
-static int __init dmi_mark_tsc_unstable(const struct dmi_system_id *d)
-{
- printk(KERN_NOTICE "%s detected: marking TSC unstable.\n",
- d->ident);
- tsc_unstable = 1;
- return 0;
-}
-
-/* List of systems that have known TSC problems */
-static struct dmi_system_id __initdata bad_tsc_dmi_table[] = {
- {
- .callback = dmi_mark_tsc_unstable,
- .ident = "IBM Thinkpad 380XD",
- .matches = {
- DMI_MATCH(DMI_BOARD_VENDOR, "IBM"),
- DMI_MATCH(DMI_BOARD_NAME, "2635FA0"),
- },
- },
- {}
-};
-
-/*
- * Make an educated guess if the TSC is trustworthy and synchronized
- * over all CPUs.
- */
-__cpuinit int unsynchronized_tsc(void)
-{
- if (!cpu_has_tsc || tsc_unstable)
- return 1;
-
- /* Anything with constant TSC should be synchronized */
- if (boot_cpu_has(X86_FEATURE_CONSTANT_TSC))
- return 0;
-
- /*
- * Intel systems are normally all synchronized.
- * Exceptions must mark TSC as unstable:
- */
- if (boot_cpu_data.x86_vendor != X86_VENDOR_INTEL) {
- /* assume multi socket systems are not synchronized: */
- if (num_possible_cpus() > 1)
- tsc_unstable = 1;
- }
- return tsc_unstable;
-}
-
-/*
- * Geode_LX - the OLPC CPU has a possibly a very reliable TSC
- */
-#ifdef CONFIG_MGEODE_LX
-/* RTSC counts during suspend */
-#define RTSC_SUSP 0x100
-
-static void __init check_geode_tsc_reliable(void)
-{
- unsigned long res_low, res_high;
-
- rdmsr_safe(MSR_GEODE_BUSCONT_CONF0, &res_low, &res_high);
- if (res_low & RTSC_SUSP)
- clocksource_tsc.flags &= ~CLOCK_SOURCE_MUST_VERIFY;
-}
-#else
-static inline void check_geode_tsc_reliable(void) { }
-#endif
-
-
-void __init tsc_init(void)
-{
- int cpu;
-
- if (!cpu_has_tsc || tsc_disabled > 0)
- return;
-
- cpu_khz = calculate_cpu_khz();
- tsc_khz = cpu_khz;
-
- if (!cpu_khz) {
- mark_tsc_unstable("could not calculate TSC khz");
- return;
- }
-
- /* now allow native_sched_clock() to use rdtsc */
- tsc_disabled = 0;
-
- printk("Detected %lu.%03lu MHz processor.\n",
- (unsigned long)cpu_khz / 1000,
- (unsigned long)cpu_khz % 1000);
-
- /*
- * Secondary CPUs do not run through tsc_init(), so set up
- * all the scale factors for all CPUs, assuming the same
- * speed as the bootup CPU. (cpufreq notifiers will fix this
- * up if their speed diverges)
- */
- for_each_possible_cpu(cpu)
- set_cyc2ns_scale(cpu_khz, cpu);
-
- use_tsc_delay();
-
- /* Check and install the TSC clocksource */
- dmi_check_system(bad_tsc_dmi_table);
-
- unsynchronized_tsc();
- check_geode_tsc_reliable();
- current_tsc_khz = tsc_khz;
- clocksource_tsc.mult = clocksource_khz2mult(current_tsc_khz,
- clocksource_tsc.shift);
- /* lower the rating if we already know its unstable: */
- if (check_tsc_unstable()) {
- clocksource_tsc.rating = 0;
- clocksource_tsc.flags &= ~CLOCK_SOURCE_IS_CONTINUOUS;
- }
- clocksource_register(&clocksource_tsc);
-}
diff --git a/arch/x86/kernel/tsc_64.c b/arch/x86/kernel/tsc_64.c
deleted file mode 100644
index 1784b8077a1..00000000000
--- a/arch/x86/kernel/tsc_64.c
+++ /dev/null
@@ -1,357 +0,0 @@
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/interrupt.h>
-#include <linux/init.h>
-#include <linux/clocksource.h>
-#include <linux/time.h>
-#include <linux/acpi.h>
-#include <linux/cpufreq.h>
-#include <linux/acpi_pmtmr.h>
-
-#include <asm/hpet.h>
-#include <asm/timex.h>
-#include <asm/timer.h>
-#include <asm/vgtod.h>
-
-static int notsc __initdata = 0;
-
-unsigned int cpu_khz; /* TSC clocks / usec, not used here */
-EXPORT_SYMBOL(cpu_khz);
-unsigned int tsc_khz;
-EXPORT_SYMBOL(tsc_khz);
-
-/* Accelerators for sched_clock()
- * convert from cycles(64bits) => nanoseconds (64bits)
- * basic equation:
- * ns = cycles / (freq / ns_per_sec)
- * ns = cycles * (ns_per_sec / freq)
- * ns = cycles * (10^9 / (cpu_khz * 10^3))
- * ns = cycles * (10^6 / cpu_khz)
- *
- * Then we use scaling math (suggested by george@mvista.com) to get:
- * ns = cycles * (10^6 * SC / cpu_khz) / SC
- * ns = cycles * cyc2ns_scale / SC
- *
- * And since SC is a constant power of two, we can convert the div
- * into a shift.
- *
- * We can use khz divisor instead of mhz to keep a better precision, since
- * cyc2ns_scale is limited to 10^6 * 2^10, which fits in 32 bits.
- * (mathieu.desnoyers@polymtl.ca)
- *
- * -johnstul@us.ibm.com "math is hard, lets go shopping!"
- */
-DEFINE_PER_CPU(unsigned long, cyc2ns);
-
-static void set_cyc2ns_scale(unsigned long cpu_khz, int cpu)
-{
- unsigned long long tsc_now, ns_now;
- unsigned long flags, *scale;
-
- local_irq_save(flags);
- sched_clock_idle_sleep_event();
-
- scale = &per_cpu(cyc2ns, cpu);
-
- rdtscll(tsc_now);
- ns_now = __cycles_2_ns(tsc_now);
-
- if (cpu_khz)
- *scale = (NSEC_PER_MSEC << CYC2NS_SCALE_FACTOR)/cpu_khz;
-
- sched_clock_idle_wakeup_event(0);
- local_irq_restore(flags);
-}
-
-unsigned long long native_sched_clock(void)
-{
- unsigned long a = 0;
-
- /* Could do CPU core sync here. Opteron can execute rdtsc speculatively,
- * which means it is not completely exact and may not be monotonous
- * between CPUs. But the errors should be too small to matter for
- * scheduling purposes.
- */
-
- rdtscll(a);
- return cycles_2_ns(a);
-}
-
-/* We need to define a real function for sched_clock, to override the
- weak default version */
-#ifdef CONFIG_PARAVIRT
-unsigned long long sched_clock(void)
-{
- return paravirt_sched_clock();
-}
-#else
-unsigned long long
-sched_clock(void) __attribute__((alias("native_sched_clock")));
-#endif
-
-
-static int tsc_unstable;
-
-int check_tsc_unstable(void)
-{
- return tsc_unstable;
-}
-EXPORT_SYMBOL_GPL(check_tsc_unstable);
-
-#ifdef CONFIG_CPU_FREQ
-
-/* Frequency scaling support. Adjust the TSC based timer when the cpu frequency
- * changes.
- *
- * RED-PEN: On SMP we assume all CPUs run with the same frequency. It's
- * not that important because current Opteron setups do not support
- * scaling on SMP anyroads.
- *
- * Should fix up last_tsc too. Currently gettimeofday in the
- * first tick after the change will be slightly wrong.
- */
-
-static unsigned int ref_freq;
-static unsigned long loops_per_jiffy_ref;
-static unsigned long tsc_khz_ref;
-
-static int time_cpufreq_notifier(struct notifier_block *nb, unsigned long val,
- void *data)
-{
- struct cpufreq_freqs *freq = data;
- unsigned long *lpj, dummy;
-
- if (cpu_has(&cpu_data(freq->cpu), X86_FEATURE_CONSTANT_TSC))
- return 0;
-
- lpj = &dummy;
- if (!(freq->flags & CPUFREQ_CONST_LOOPS))
-#ifdef CONFIG_SMP
- lpj = &cpu_data(freq->cpu).loops_per_jiffy;
-#else
- lpj = &boot_cpu_data.loops_per_jiffy;
-#endif
-
- if (!ref_freq) {
- ref_freq = freq->old;
- loops_per_jiffy_ref = *lpj;
- tsc_khz_ref = tsc_khz;
- }
- if ((val == CPUFREQ_PRECHANGE && freq->old < freq->new) ||
- (val == CPUFREQ_POSTCHANGE && freq->old > freq->new) ||
- (val == CPUFREQ_RESUMECHANGE)) {
- *lpj =
- cpufreq_scale(loops_per_jiffy_ref, ref_freq, freq->new);
-
- tsc_khz = cpufreq_scale(tsc_khz_ref, ref_freq, freq->new);
- if (!(freq->flags & CPUFREQ_CONST_LOOPS))
- mark_tsc_unstable("cpufreq changes");
- }
-
- set_cyc2ns_scale(tsc_khz_ref, freq->cpu);
-
- return 0;
-}
-
-static struct notifier_block time_cpufreq_notifier_block = {
- .notifier_call = time_cpufreq_notifier
-};
-
-static int __init cpufreq_tsc(void)
-{
- cpufreq_register_notifier(&time_cpufreq_notifier_block,
- CPUFREQ_TRANSITION_NOTIFIER);
- return 0;
-}
-
-core_initcall(cpufreq_tsc);
-
-#endif
-
-#define MAX_RETRIES 5
-#define SMI_TRESHOLD 50000
-
-/*
- * Read TSC and the reference counters. Take care of SMI disturbance
- */
-static unsigned long __init tsc_read_refs(unsigned long *pm,
- unsigned long *hpet)
-{
- unsigned long t1, t2;
- int i;
-
- for (i = 0; i < MAX_RETRIES; i++) {
- t1 = get_cycles();
- if (hpet)
- *hpet = hpet_readl(HPET_COUNTER) & 0xFFFFFFFF;
- else
- *pm = acpi_pm_read_early();
- t2 = get_cycles();
- if ((t2 - t1) < SMI_TRESHOLD)
- return t2;
- }
- return ULONG_MAX;
-}
-
-/**
- * tsc_calibrate - calibrate the tsc on boot
- */
-void __init tsc_calibrate(void)
-{
- unsigned long flags, tsc1, tsc2, tr1, tr2, pm1, pm2, hpet1, hpet2;
- int hpet = is_hpet_enabled(), cpu;
-
- local_irq_save(flags);
-
- tsc1 = tsc_read_refs(&pm1, hpet ? &hpet1 : NULL);
-
- outb((inb(0x61) & ~0x02) | 0x01, 0x61);
-
- outb(0xb0, 0x43);
- outb((CLOCK_TICK_RATE / (1000 / 50)) & 0xff, 0x42);
- outb((CLOCK_TICK_RATE / (1000 / 50)) >> 8, 0x42);
- tr1 = get_cycles();
- while ((inb(0x61) & 0x20) == 0);
- tr2 = get_cycles();
-
- tsc2 = tsc_read_refs(&pm2, hpet ? &hpet2 : NULL);
-
- local_irq_restore(flags);
-
- /*
- * Preset the result with the raw and inaccurate PIT
- * calibration value
- */
- tsc_khz = (tr2 - tr1) / 50;
-
- /* hpet or pmtimer available ? */
- if (!hpet && !pm1 && !pm2) {
- printk(KERN_INFO "TSC calibrated against PIT\n");
- goto out;
- }
-
- /* Check, whether the sampling was disturbed by an SMI */
- if (tsc1 == ULONG_MAX || tsc2 == ULONG_MAX) {
- printk(KERN_WARNING "TSC calibration disturbed by SMI, "
- "using PIT calibration result\n");
- goto out;
- }
-
- tsc2 = (tsc2 - tsc1) * 1000000L;
-
- if (hpet) {
- printk(KERN_INFO "TSC calibrated against HPET\n");
- if (hpet2 < hpet1)
- hpet2 += 0x100000000;
- hpet2 -= hpet1;
- tsc1 = (hpet2 * hpet_readl(HPET_PERIOD)) / 1000000;
- } else {
- printk(KERN_INFO "TSC calibrated against PM_TIMER\n");
- if (pm2 < pm1)
- pm2 += ACPI_PM_OVRRUN;
- pm2 -= pm1;
- tsc1 = (pm2 * 1000000000) / PMTMR_TICKS_PER_SEC;
- }
-
- tsc_khz = tsc2 / tsc1;
-
-out:
- for_each_possible_cpu(cpu)
- set_cyc2ns_scale(tsc_khz, cpu);
-}
-
-/*
- * Make an educated guess if the TSC is trustworthy and synchronized
- * over all CPUs.
- */
-__cpuinit int unsynchronized_tsc(void)
-{
- if (tsc_unstable)
- return 1;
-
-#ifdef CONFIG_SMP
- if (apic_is_clustered_box())
- return 1;
-#endif
-
- if (boot_cpu_has(X86_FEATURE_CONSTANT_TSC))
- return 0;
-
- /* Assume multi socket systems are not synchronized */
- return num_present_cpus() > 1;
-}
-
-int __init notsc_setup(char *s)
-{
- notsc = 1;
- return 1;
-}
-
-__setup("notsc", notsc_setup);
-
-static struct clocksource clocksource_tsc;
-
-/*
- * We compare the TSC to the cycle_last value in the clocksource
- * structure to avoid a nasty time-warp. This can be observed in a
- * very small window right after one CPU updated cycle_last under
- * xtime/vsyscall_gtod lock and the other CPU reads a TSC value which
- * is smaller than the cycle_last reference value due to a TSC which
- * is slighty behind. This delta is nowhere else observable, but in
- * that case it results in a forward time jump in the range of hours
- * due to the unsigned delta calculation of the time keeping core
- * code, which is necessary to support wrapping clocksources like pm
- * timer.
- */
-static cycle_t read_tsc(void)
-{
- cycle_t ret = (cycle_t)get_cycles();
-
- return ret >= clocksource_tsc.cycle_last ?
- ret : clocksource_tsc.cycle_last;
-}
-
-static cycle_t __vsyscall_fn vread_tsc(void)
-{
- cycle_t ret = (cycle_t)vget_cycles();
-
- return ret >= __vsyscall_gtod_data.clock.cycle_last ?
- ret : __vsyscall_gtod_data.clock.cycle_last;
-}
-
-static struct clocksource clocksource_tsc = {
- .name = "tsc",
- .rating = 300,
- .read = read_tsc,
- .mask = CLOCKSOURCE_MASK(64),
- .shift = 22,
- .flags = CLOCK_SOURCE_IS_CONTINUOUS |
- CLOCK_SOURCE_MUST_VERIFY,
- .vread = vread_tsc,
-};
-
-void mark_tsc_unstable(char *reason)
-{
- if (!tsc_unstable) {
- tsc_unstable = 1;
- printk("Marking TSC unstable due to %s\n", reason);
- /* Change only the rating, when not registered */
- if (clocksource_tsc.mult)
- clocksource_change_rating(&clocksource_tsc, 0);
- else
- clocksource_tsc.rating = 0;
- }
-}
-EXPORT_SYMBOL_GPL(mark_tsc_unstable);
-
-void __init init_tsc_clocksource(void)
-{
- if (!notsc) {
- clocksource_tsc.mult = clocksource_khz2mult(tsc_khz,
- clocksource_tsc.shift);
- if (check_tsc_unstable())
- clocksource_tsc.rating = 0;
-
- clocksource_register(&clocksource_tsc);
- }
-}
diff --git a/arch/x86/kernel/visws_quirks.c b/arch/x86/kernel/visws_quirks.c
new file mode 100644
index 00000000000..e94bdb6add1
--- /dev/null
+++ b/arch/x86/kernel/visws_quirks.c
@@ -0,0 +1,709 @@
+/*
+ * SGI Visual Workstation support and quirks, unmaintained.
+ *
+ * Split out from setup.c by davej@suse.de
+ *
+ * Copyright (C) 1999 Bent Hagemark, Ingo Molnar
+ *
+ * SGI Visual Workstation interrupt controller
+ *
+ * The Cobalt system ASIC in the Visual Workstation contains a "Cobalt" APIC
+ * which serves as the main interrupt controller in the system. Non-legacy
+ * hardware in the system uses this controller directly. Legacy devices
+ * are connected to the PIIX4 which in turn has its 8259(s) connected to
+ * a of the Cobalt APIC entry.
+ *
+ * 09/02/2000 - Updated for 2.4 by jbarnes@sgi.com
+ *
+ * 25/11/2002 - Updated for 2.5 by Andrey Panin <pazke@orbita1.ru>
+ */
+#include <linux/interrupt.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/smp.h>
+
+#include <asm/visws/cobalt.h>
+#include <asm/visws/piix4.h>
+#include <asm/arch_hooks.h>
+#include <asm/fixmap.h>
+#include <asm/reboot.h>
+#include <asm/setup.h>
+#include <asm/e820.h>
+#include <asm/smp.h>
+#include <asm/io.h>
+
+#include <mach_ipi.h>
+
+#include "mach_apic.h"
+
+#include <linux/init.h>
+#include <linux/smp.h>
+
+#include <linux/kernel_stat.h>
+#include <linux/interrupt.h>
+#include <linux/init.h>
+
+#include <asm/io.h>
+#include <asm/apic.h>
+#include <asm/i8259.h>
+#include <asm/irq_vectors.h>
+#include <asm/visws/cobalt.h>
+#include <asm/visws/lithium.h>
+#include <asm/visws/piix4.h>
+
+#include <linux/sched.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/pci.h>
+#include <linux/pci_ids.h>
+
+extern int no_broadcast;
+
+#include <asm/io.h>
+#include <asm/apic.h>
+#include <asm/arch_hooks.h>
+#include <asm/visws/cobalt.h>
+#include <asm/visws/lithium.h>
+
+char visws_board_type = -1;
+char visws_board_rev = -1;
+
+int is_visws_box(void)
+{
+ return visws_board_type >= 0;
+}
+
+static int __init visws_time_init_quirk(void)
+{
+ printk(KERN_INFO "Starting Cobalt Timer system clock\n");
+
+ /* Set the countdown value */
+ co_cpu_write(CO_CPU_TIMEVAL, CO_TIME_HZ/HZ);
+
+ /* Start the timer */
+ co_cpu_write(CO_CPU_CTRL, co_cpu_read(CO_CPU_CTRL) | CO_CTRL_TIMERUN);
+
+ /* Enable (unmask) the timer interrupt */
+ co_cpu_write(CO_CPU_CTRL, co_cpu_read(CO_CPU_CTRL) & ~CO_CTRL_TIMEMASK);
+
+ /*
+ * Zero return means the generic timer setup code will set up
+ * the standard vector:
+ */
+ return 0;
+}
+
+static int __init visws_pre_intr_init_quirk(void)
+{
+ init_VISWS_APIC_irqs();
+
+ /*
+ * We dont want ISA irqs to be set up by the generic code:
+ */
+ return 1;
+}
+
+/* Quirk for machine specific memory setup. */
+
+#define MB (1024 * 1024)
+
+unsigned long sgivwfb_mem_phys;
+unsigned long sgivwfb_mem_size;
+EXPORT_SYMBOL(sgivwfb_mem_phys);
+EXPORT_SYMBOL(sgivwfb_mem_size);
+
+long long mem_size __initdata = 0;
+
+static char * __init visws_memory_setup_quirk(void)
+{
+ long long gfx_mem_size = 8 * MB;
+
+ mem_size = boot_params.alt_mem_k;
+
+ if (!mem_size) {
+ printk(KERN_WARNING "Bootloader didn't set memory size, upgrade it !\n");
+ mem_size = 128 * MB;
+ }
+
+ /*
+ * this hardcodes the graphics memory to 8 MB
+ * it really should be sized dynamically (or at least
+ * set as a boot param)
+ */
+ if (!sgivwfb_mem_size) {
+ printk(KERN_WARNING "Defaulting to 8 MB framebuffer size\n");
+ sgivwfb_mem_size = 8 * MB;
+ }
+
+ /*
+ * Trim to nearest MB
+ */
+ sgivwfb_mem_size &= ~((1 << 20) - 1);
+ sgivwfb_mem_phys = mem_size - gfx_mem_size;
+
+ e820_add_region(0, LOWMEMSIZE(), E820_RAM);
+ e820_add_region(HIGH_MEMORY, mem_size - sgivwfb_mem_size - HIGH_MEMORY, E820_RAM);
+ e820_add_region(sgivwfb_mem_phys, sgivwfb_mem_size, E820_RESERVED);
+
+ return "PROM";
+}
+
+static void visws_machine_emergency_restart(void)
+{
+ /*
+ * Visual Workstations restart after this
+ * register is poked on the PIIX4
+ */
+ outb(PIIX4_RESET_VAL, PIIX4_RESET_PORT);
+}
+
+static void visws_machine_power_off(void)
+{
+ unsigned short pm_status;
+/* extern unsigned int pci_bus0; */
+
+ while ((pm_status = inw(PMSTS_PORT)) & 0x100)
+ outw(pm_status, PMSTS_PORT);
+
+ outw(PM_SUSPEND_ENABLE, PMCNTRL_PORT);
+
+ mdelay(10);
+
+#define PCI_CONF1_ADDRESS(bus, devfn, reg) \
+ (0x80000000 | (bus << 16) | (devfn << 8) | (reg & ~3))
+
+/* outl(PCI_CONF1_ADDRESS(pci_bus0, SPECIAL_DEV, SPECIAL_REG), 0xCF8); */
+ outl(PIIX_SPECIAL_STOP, 0xCFC);
+}
+
+static int __init visws_get_smp_config_quirk(unsigned int early)
+{
+ /*
+ * Prevent MP-table parsing by the generic code:
+ */
+ return 1;
+}
+
+extern unsigned int __cpuinitdata maxcpus;
+
+/*
+ * The Visual Workstation is Intel MP compliant in the hardware
+ * sense, but it doesn't have a BIOS(-configuration table).
+ * No problem for Linux.
+ */
+
+static void __init MP_processor_info (struct mpc_config_processor *m)
+{
+ int ver, logical_apicid;
+ physid_mask_t apic_cpus;
+
+ if (!(m->mpc_cpuflag & CPU_ENABLED))
+ return;
+
+ logical_apicid = m->mpc_apicid;
+ printk(KERN_INFO "%sCPU #%d %u:%u APIC version %d\n",
+ m->mpc_cpuflag & CPU_BOOTPROCESSOR ? "Bootup " : "",
+ m->mpc_apicid,
+ (m->mpc_cpufeature & CPU_FAMILY_MASK) >> 8,
+ (m->mpc_cpufeature & CPU_MODEL_MASK) >> 4,
+ m->mpc_apicver);
+
+ if (m->mpc_cpuflag & CPU_BOOTPROCESSOR)
+ boot_cpu_physical_apicid = m->mpc_apicid;
+
+ ver = m->mpc_apicver;
+ if ((ver >= 0x14 && m->mpc_apicid >= 0xff) || m->mpc_apicid >= 0xf) {
+ printk(KERN_ERR "Processor #%d INVALID. (Max ID: %d).\n",
+ m->mpc_apicid, MAX_APICS);
+ return;
+ }
+
+ apic_cpus = apicid_to_cpu_present(m->mpc_apicid);
+ physids_or(phys_cpu_present_map, phys_cpu_present_map, apic_cpus);
+ /*
+ * Validate version
+ */
+ if (ver == 0x0) {
+ printk(KERN_ERR "BIOS bug, APIC version is 0 for CPU#%d! "
+ "fixing up to 0x10. (tell your hw vendor)\n",
+ m->mpc_apicid);
+ ver = 0x10;
+ }
+ apic_version[m->mpc_apicid] = ver;
+}
+
+int __init visws_find_smp_config_quirk(unsigned int reserve)
+{
+ struct mpc_config_processor *mp = phys_to_virt(CO_CPU_TAB_PHYS);
+ unsigned short ncpus = readw(phys_to_virt(CO_CPU_NUM_PHYS));
+
+ if (ncpus > CO_CPU_MAX) {
+ printk(KERN_WARNING "find_visws_smp: got cpu count of %d at %p\n",
+ ncpus, mp);
+
+ ncpus = CO_CPU_MAX;
+ }
+
+ if (ncpus > maxcpus)
+ ncpus = maxcpus;
+
+#ifdef CONFIG_X86_LOCAL_APIC
+ smp_found_config = 1;
+#endif
+ while (ncpus--)
+ MP_processor_info(mp++);
+
+ mp_lapic_addr = APIC_DEFAULT_PHYS_BASE;
+
+ return 1;
+}
+
+extern int visws_trap_init_quirk(void);
+
+void __init visws_early_detect(void)
+{
+ int raw;
+
+ visws_board_type = (char)(inb_p(PIIX_GPI_BD_REG) & PIIX_GPI_BD_REG)
+ >> PIIX_GPI_BD_SHIFT;
+
+ if (visws_board_type < 0)
+ return;
+
+ /*
+ * Install special quirks for timer, interrupt and memory setup:
+ */
+ arch_time_init_quirk = visws_time_init_quirk;
+ arch_pre_intr_init_quirk = visws_pre_intr_init_quirk;
+ arch_memory_setup_quirk = visws_memory_setup_quirk;
+
+ /*
+ * Fall back to generic behavior for traps:
+ */
+ arch_intr_init_quirk = NULL;
+ arch_trap_init_quirk = visws_trap_init_quirk;
+
+ /*
+ * Install reboot quirks:
+ */
+ pm_power_off = visws_machine_power_off;
+ machine_ops.emergency_restart = visws_machine_emergency_restart;
+
+ /*
+ * Do not use broadcast IPIs:
+ */
+ no_broadcast = 0;
+
+ /*
+ * Override generic MP-table parsing:
+ */
+ mach_get_smp_config_quirk = visws_get_smp_config_quirk;
+ mach_find_smp_config_quirk = visws_find_smp_config_quirk;
+
+#ifdef CONFIG_X86_IO_APIC
+ /*
+ * Turn off IO-APIC detection and initialization:
+ */
+ skip_ioapic_setup = 1;
+#endif
+
+ /*
+ * Get Board rev.
+ * First, we have to initialize the 307 part to allow us access
+ * to the GPIO registers. Let's map them at 0x0fc0 which is right
+ * after the PIIX4 PM section.
+ */
+ outb_p(SIO_DEV_SEL, SIO_INDEX);
+ outb_p(SIO_GP_DEV, SIO_DATA); /* Talk to GPIO regs. */
+
+ outb_p(SIO_DEV_MSB, SIO_INDEX);
+ outb_p(SIO_GP_MSB, SIO_DATA); /* MSB of GPIO base address */
+
+ outb_p(SIO_DEV_LSB, SIO_INDEX);
+ outb_p(SIO_GP_LSB, SIO_DATA); /* LSB of GPIO base address */
+
+ outb_p(SIO_DEV_ENB, SIO_INDEX);
+ outb_p(1, SIO_DATA); /* Enable GPIO registers. */
+
+ /*
+ * Now, we have to map the power management section to write
+ * a bit which enables access to the GPIO registers.
+ * What lunatic came up with this shit?
+ */
+ outb_p(SIO_DEV_SEL, SIO_INDEX);
+ outb_p(SIO_PM_DEV, SIO_DATA); /* Talk to GPIO regs. */
+
+ outb_p(SIO_DEV_MSB, SIO_INDEX);
+ outb_p(SIO_PM_MSB, SIO_DATA); /* MSB of PM base address */
+
+ outb_p(SIO_DEV_LSB, SIO_INDEX);
+ outb_p(SIO_PM_LSB, SIO_DATA); /* LSB of PM base address */
+
+ outb_p(SIO_DEV_ENB, SIO_INDEX);
+ outb_p(1, SIO_DATA); /* Enable PM registers. */
+
+ /*
+ * Now, write the PM register which enables the GPIO registers.
+ */
+ outb_p(SIO_PM_FER2, SIO_PM_INDEX);
+ outb_p(SIO_PM_GP_EN, SIO_PM_DATA);
+
+ /*
+ * Now, initialize the GPIO registers.
+ * We want them all to be inputs which is the
+ * power on default, so let's leave them alone.
+ * So, let's just read the board rev!
+ */
+ raw = inb_p(SIO_GP_DATA1);
+ raw &= 0x7f; /* 7 bits of valid board revision ID. */
+
+ if (visws_board_type == VISWS_320) {
+ if (raw < 0x6) {
+ visws_board_rev = 4;
+ } else if (raw < 0xc) {
+ visws_board_rev = 5;
+ } else {
+ visws_board_rev = 6;
+ }
+ } else if (visws_board_type == VISWS_540) {
+ visws_board_rev = 2;
+ } else {
+ visws_board_rev = raw;
+ }
+
+ printk(KERN_INFO "Silicon Graphics Visual Workstation %s (rev %d) detected\n",
+ (visws_board_type == VISWS_320 ? "320" :
+ (visws_board_type == VISWS_540 ? "540" :
+ "unknown")), visws_board_rev);
+}
+
+#define A01234 (LI_INTA_0 | LI_INTA_1 | LI_INTA_2 | LI_INTA_3 | LI_INTA_4)
+#define BCD (LI_INTB | LI_INTC | LI_INTD)
+#define ALLDEVS (A01234 | BCD)
+
+static __init void lithium_init(void)
+{
+ set_fixmap(FIX_LI_PCIA, LI_PCI_A_PHYS);
+ set_fixmap(FIX_LI_PCIB, LI_PCI_B_PHYS);
+
+ if ((li_pcia_read16(PCI_VENDOR_ID) != PCI_VENDOR_ID_SGI) ||
+ (li_pcia_read16(PCI_DEVICE_ID) != PCI_DEVICE_ID_SGI_LITHIUM)) {
+ printk(KERN_EMERG "Lithium hostbridge %c not found\n", 'A');
+/* panic("This machine is not SGI Visual Workstation 320/540"); */
+ }
+
+ if ((li_pcib_read16(PCI_VENDOR_ID) != PCI_VENDOR_ID_SGI) ||
+ (li_pcib_read16(PCI_DEVICE_ID) != PCI_DEVICE_ID_SGI_LITHIUM)) {
+ printk(KERN_EMERG "Lithium hostbridge %c not found\n", 'B');
+/* panic("This machine is not SGI Visual Workstation 320/540"); */
+ }
+
+ li_pcia_write16(LI_PCI_INTEN, ALLDEVS);
+ li_pcib_write16(LI_PCI_INTEN, ALLDEVS);
+}
+
+static __init void cobalt_init(void)
+{
+ /*
+ * On normal SMP PC this is used only with SMP, but we have to
+ * use it and set it up here to start the Cobalt clock
+ */
+ set_fixmap(FIX_APIC_BASE, APIC_DEFAULT_PHYS_BASE);
+ setup_local_APIC();
+ printk(KERN_INFO "Local APIC Version %#x, ID %#x\n",
+ (unsigned int)apic_read(APIC_LVR),
+ (unsigned int)apic_read(APIC_ID));
+
+ set_fixmap(FIX_CO_CPU, CO_CPU_PHYS);
+ set_fixmap(FIX_CO_APIC, CO_APIC_PHYS);
+ printk(KERN_INFO "Cobalt Revision %#lx, APIC ID %#lx\n",
+ co_cpu_read(CO_CPU_REV), co_apic_read(CO_APIC_ID));
+
+ /* Enable Cobalt APIC being careful to NOT change the ID! */
+ co_apic_write(CO_APIC_ID, co_apic_read(CO_APIC_ID) | CO_APIC_ENABLE);
+
+ printk(KERN_INFO "Cobalt APIC enabled: ID reg %#lx\n",
+ co_apic_read(CO_APIC_ID));
+}
+
+int __init visws_trap_init_quirk(void)
+{
+ lithium_init();
+ cobalt_init();
+
+ return 1;
+}
+
+/*
+ * IRQ controller / APIC support:
+ */
+
+static DEFINE_SPINLOCK(cobalt_lock);
+
+/*
+ * Set the given Cobalt APIC Redirection Table entry to point
+ * to the given IDT vector/index.
+ */
+static inline void co_apic_set(int entry, int irq)
+{
+ co_apic_write(CO_APIC_LO(entry), CO_APIC_LEVEL | (irq + FIRST_EXTERNAL_VECTOR));
+ co_apic_write(CO_APIC_HI(entry), 0);
+}
+
+/*
+ * Cobalt (IO)-APIC functions to handle PCI devices.
+ */
+static inline int co_apic_ide0_hack(void)
+{
+ extern char visws_board_type;
+ extern char visws_board_rev;
+
+ if (visws_board_type == VISWS_320 && visws_board_rev == 5)
+ return 5;
+ return CO_APIC_IDE0;
+}
+
+static int is_co_apic(unsigned int irq)
+{
+ if (IS_CO_APIC(irq))
+ return CO_APIC(irq);
+
+ switch (irq) {
+ case 0: return CO_APIC_CPU;
+ case CO_IRQ_IDE0: return co_apic_ide0_hack();
+ case CO_IRQ_IDE1: return CO_APIC_IDE1;
+ default: return -1;
+ }
+}
+
+
+/*
+ * This is the SGI Cobalt (IO-)APIC:
+ */
+
+static void enable_cobalt_irq(unsigned int irq)
+{
+ co_apic_set(is_co_apic(irq), irq);
+}
+
+static void disable_cobalt_irq(unsigned int irq)
+{
+ int entry = is_co_apic(irq);
+
+ co_apic_write(CO_APIC_LO(entry), CO_APIC_MASK);
+ co_apic_read(CO_APIC_LO(entry));
+}
+
+/*
+ * "irq" really just serves to identify the device. Here is where we
+ * map this to the Cobalt APIC entry where it's physically wired.
+ * This is called via request_irq -> setup_irq -> irq_desc->startup()
+ */
+static unsigned int startup_cobalt_irq(unsigned int irq)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&cobalt_lock, flags);
+ if ((irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS | IRQ_WAITING)))
+ irq_desc[irq].status &= ~(IRQ_DISABLED | IRQ_INPROGRESS | IRQ_WAITING);
+ enable_cobalt_irq(irq);
+ spin_unlock_irqrestore(&cobalt_lock, flags);
+ return 0;
+}
+
+static void ack_cobalt_irq(unsigned int irq)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&cobalt_lock, flags);
+ disable_cobalt_irq(irq);
+ apic_write(APIC_EOI, APIC_EIO_ACK);
+ spin_unlock_irqrestore(&cobalt_lock, flags);
+}
+
+static void end_cobalt_irq(unsigned int irq)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&cobalt_lock, flags);
+ if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
+ enable_cobalt_irq(irq);
+ spin_unlock_irqrestore(&cobalt_lock, flags);
+}
+
+static struct irq_chip cobalt_irq_type = {
+ .typename = "Cobalt-APIC",
+ .startup = startup_cobalt_irq,
+ .shutdown = disable_cobalt_irq,
+ .enable = enable_cobalt_irq,
+ .disable = disable_cobalt_irq,
+ .ack = ack_cobalt_irq,
+ .end = end_cobalt_irq,
+};
+
+
+/*
+ * This is the PIIX4-based 8259 that is wired up indirectly to Cobalt
+ * -- not the manner expected by the code in i8259.c.
+ *
+ * there is a 'master' physical interrupt source that gets sent to
+ * the CPU. But in the chipset there are various 'virtual' interrupts
+ * waiting to be handled. We represent this to Linux through a 'master'
+ * interrupt controller type, and through a special virtual interrupt-
+ * controller. Device drivers only see the virtual interrupt sources.
+ */
+static unsigned int startup_piix4_master_irq(unsigned int irq)
+{
+ init_8259A(0);
+
+ return startup_cobalt_irq(irq);
+}
+
+static void end_piix4_master_irq(unsigned int irq)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&cobalt_lock, flags);
+ enable_cobalt_irq(irq);
+ spin_unlock_irqrestore(&cobalt_lock, flags);
+}
+
+static struct irq_chip piix4_master_irq_type = {
+ .typename = "PIIX4-master",
+ .startup = startup_piix4_master_irq,
+ .ack = ack_cobalt_irq,
+ .end = end_piix4_master_irq,
+};
+
+
+static struct irq_chip piix4_virtual_irq_type = {
+ .typename = "PIIX4-virtual",
+ .shutdown = disable_8259A_irq,
+ .enable = enable_8259A_irq,
+ .disable = disable_8259A_irq,
+};
+
+
+/*
+ * PIIX4-8259 master/virtual functions to handle interrupt requests
+ * from legacy devices: floppy, parallel, serial, rtc.
+ *
+ * None of these get Cobalt APIC entries, neither do they have IDT
+ * entries. These interrupts are purely virtual and distributed from
+ * the 'master' interrupt source: CO_IRQ_8259.
+ *
+ * When the 8259 interrupts its handler figures out which of these
+ * devices is interrupting and dispatches to its handler.
+ *
+ * CAREFUL: devices see the 'virtual' interrupt only. Thus disable/
+ * enable_irq gets the right irq. This 'master' irq is never directly
+ * manipulated by any driver.
+ */
+static irqreturn_t piix4_master_intr(int irq, void *dev_id)
+{
+ int realirq;
+ irq_desc_t *desc;
+ unsigned long flags;
+
+ spin_lock_irqsave(&i8259A_lock, flags);
+
+ /* Find out what's interrupting in the PIIX4 master 8259 */
+ outb(0x0c, 0x20); /* OCW3 Poll command */
+ realirq = inb(0x20);
+
+ /*
+ * Bit 7 == 0 means invalid/spurious
+ */
+ if (unlikely(!(realirq & 0x80)))
+ goto out_unlock;
+
+ realirq &= 7;
+
+ if (unlikely(realirq == 2)) {
+ outb(0x0c, 0xa0);
+ realirq = inb(0xa0);
+
+ if (unlikely(!(realirq & 0x80)))
+ goto out_unlock;
+
+ realirq = (realirq & 7) + 8;
+ }
+
+ /* mask and ack interrupt */
+ cached_irq_mask |= 1 << realirq;
+ if (unlikely(realirq > 7)) {
+ inb(0xa1);
+ outb(cached_slave_mask, 0xa1);
+ outb(0x60 + (realirq & 7), 0xa0);
+ outb(0x60 + 2, 0x20);
+ } else {
+ inb(0x21);
+ outb(cached_master_mask, 0x21);
+ outb(0x60 + realirq, 0x20);
+ }
+
+ spin_unlock_irqrestore(&i8259A_lock, flags);
+
+ desc = irq_desc + realirq;
+
+ /*
+ * handle this 'virtual interrupt' as a Cobalt one now.
+ */
+ kstat_cpu(smp_processor_id()).irqs[realirq]++;
+
+ if (likely(desc->action != NULL))
+ handle_IRQ_event(realirq, desc->action);
+
+ if (!(desc->status & IRQ_DISABLED))
+ enable_8259A_irq(realirq);
+
+ return IRQ_HANDLED;
+
+out_unlock:
+ spin_unlock_irqrestore(&i8259A_lock, flags);
+ return IRQ_NONE;
+}
+
+static struct irqaction master_action = {
+ .handler = piix4_master_intr,
+ .name = "PIIX4-8259",
+};
+
+static struct irqaction cascade_action = {
+ .handler = no_action,
+ .name = "cascade",
+};
+
+
+void init_VISWS_APIC_irqs(void)
+{
+ int i;
+
+ for (i = 0; i < CO_IRQ_APIC0 + CO_APIC_LAST + 1; i++) {
+ irq_desc[i].status = IRQ_DISABLED;
+ irq_desc[i].action = 0;
+ irq_desc[i].depth = 1;
+
+ if (i == 0) {
+ irq_desc[i].chip = &cobalt_irq_type;
+ }
+ else if (i == CO_IRQ_IDE0) {
+ irq_desc[i].chip = &cobalt_irq_type;
+ }
+ else if (i == CO_IRQ_IDE1) {
+ irq_desc[i].chip = &cobalt_irq_type;
+ }
+ else if (i == CO_IRQ_8259) {
+ irq_desc[i].chip = &piix4_master_irq_type;
+ }
+ else if (i < CO_IRQ_APIC0) {
+ irq_desc[i].chip = &piix4_virtual_irq_type;
+ }
+ else if (IS_CO_APIC(i)) {
+ irq_desc[i].chip = &cobalt_irq_type;
+ }
+ }
+
+ setup_irq(CO_IRQ_8259, &master_action);
+ setup_irq(2, &cascade_action);
+}
diff --git a/arch/x86/kernel/vmi_32.c b/arch/x86/kernel/vmi_32.c
index 956f38927aa..b15346092b7 100644
--- a/arch/x86/kernel/vmi_32.c
+++ b/arch/x86/kernel/vmi_32.c
@@ -151,7 +151,7 @@ static unsigned vmi_patch(u8 type, u16 clobbers, void *insns,
insns, ip);
case PARAVIRT_PATCH(pv_cpu_ops.iret):
return patch_internal(VMI_CALL_IRET, len, insns, ip);
- case PARAVIRT_PATCH(pv_cpu_ops.irq_enable_syscall_ret):
+ case PARAVIRT_PATCH(pv_cpu_ops.irq_enable_sysexit):
return patch_internal(VMI_CALL_SYSEXIT, len, insns, ip);
default:
break;
@@ -896,7 +896,7 @@ static inline int __init activate_vmi(void)
* the backend. They are performance critical anyway, so requiring
* a patch is not a big problem.
*/
- pv_cpu_ops.irq_enable_syscall_ret = (void *)0xfeedbab0;
+ pv_cpu_ops.irq_enable_sysexit = (void *)0xfeedbab0;
pv_cpu_ops.iret = (void *)0xbadbab0;
#ifdef CONFIG_SMP
@@ -932,7 +932,7 @@ static inline int __init activate_vmi(void)
pv_apic_ops.setup_secondary_clock = vmi_time_ap_init;
#endif
pv_time_ops.sched_clock = vmi_sched_clock;
- pv_time_ops.get_cpu_khz = vmi_cpu_khz;
+ pv_time_ops.get_tsc_khz = vmi_tsc_khz;
/* We have true wallclock functions; disable CMOS clock sync */
no_sync_cmos_clock = 1;
diff --git a/arch/x86/kernel/vmiclock_32.c b/arch/x86/kernel/vmiclock_32.c
index a2b030780aa..6953859fe28 100644
--- a/arch/x86/kernel/vmiclock_32.c
+++ b/arch/x86/kernel/vmiclock_32.c
@@ -33,8 +33,7 @@
#include <asm/apic.h>
#include <asm/timer.h>
#include <asm/i8253.h>
-
-#include <irq_vectors.h>
+#include <asm/irq_vectors.h>
#define VMI_ONESHOT (VMI_ALARM_IS_ONESHOT | VMI_CYCLES_REAL | vmi_get_alarm_wiring())
#define VMI_PERIODIC (VMI_ALARM_IS_PERIODIC | VMI_CYCLES_REAL | vmi_get_alarm_wiring())
@@ -70,8 +69,8 @@ unsigned long long vmi_sched_clock(void)
return cycles_2_ns(vmi_timer_ops.get_cycle_counter(VMI_CYCLES_AVAILABLE));
}
-/* paravirt_ops.get_cpu_khz = vmi_cpu_khz */
-unsigned long vmi_cpu_khz(void)
+/* paravirt_ops.get_tsc_khz = vmi_tsc_khz */
+unsigned long vmi_tsc_khz(void)
{
unsigned long long khz;
khz = vmi_timer_ops.get_cycle_frequency();
diff --git a/arch/x86/kernel/vmlinux_32.lds.S b/arch/x86/kernel/vmlinux_32.lds.S
index ce5ed083a1e..cdb2363697d 100644
--- a/arch/x86/kernel/vmlinux_32.lds.S
+++ b/arch/x86/kernel/vmlinux_32.lds.S
@@ -49,23 +49,14 @@ SECTIONS
_etext = .; /* End of text section */
} :text = 0x9090
+ NOTES :text :note
+
. = ALIGN(16); /* Exception table */
__ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET) {
__start___ex_table = .;
*(__ex_table)
__stop___ex_table = .;
- }
-
- NOTES :text :note
-
- BUG_TABLE :text
-
- . = ALIGN(4);
- .tracedata : AT(ADDR(.tracedata) - LOAD_OFFSET) {
- __tracedata_start = .;
- *(.tracedata)
- __tracedata_end = .;
- }
+ } :text = 0x9090
RODATA
diff --git a/arch/x86/kernel/vmlinux_64.lds.S b/arch/x86/kernel/vmlinux_64.lds.S
index fad3674b06a..63e5c1a22e8 100644
--- a/arch/x86/kernel/vmlinux_64.lds.S
+++ b/arch/x86/kernel/vmlinux_64.lds.S
@@ -19,7 +19,7 @@ PHDRS {
data PT_LOAD FLAGS(7); /* RWE */
user PT_LOAD FLAGS(7); /* RWE */
data.init PT_LOAD FLAGS(7); /* RWE */
- note PT_NOTE FLAGS(4); /* R__ */
+ note PT_NOTE FLAGS(0); /* ___ */
}
SECTIONS
{
@@ -40,26 +40,17 @@ SECTIONS
_etext = .; /* End of text section */
} :text = 0x9090
+ NOTES :text :note
+
. = ALIGN(16); /* Exception table */
__ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET) {
__start___ex_table = .;
*(__ex_table)
__stop___ex_table = .;
- }
-
- NOTES :text :note
-
- BUG_TABLE :text
+ } :text = 0x9090
RODATA
- . = ALIGN(4);
- .tracedata : AT(ADDR(.tracedata) - LOAD_OFFSET) {
- __tracedata_start = .;
- *(.tracedata)
- __tracedata_end = .;
- }
-
. = ALIGN(PAGE_SIZE); /* Align data segment to page size boundary */
/* Data */
.data : AT(ADDR(.data) - LOAD_OFFSET) {
@@ -177,6 +168,7 @@ SECTIONS
*(.con_initcall.init)
}
__con_initcall_end = .;
+ . = ALIGN(16);
__x86cpuvendor_start = .;
.x86cpuvendor.init : AT(ADDR(.x86cpuvendor.init) - LOAD_OFFSET) {
*(.x86cpuvendor.init)
diff --git a/arch/x86/kernel/vsmp_64.c b/arch/x86/kernel/vsmp_64.c
index ba8c0b75ab0..0c029e8959c 100644
--- a/arch/x86/kernel/vsmp_64.c
+++ b/arch/x86/kernel/vsmp_64.c
@@ -15,9 +15,12 @@
#include <linux/init.h>
#include <linux/pci_ids.h>
#include <linux/pci_regs.h>
+
+#include <asm/apic.h>
#include <asm/pci-direct.h>
#include <asm/io.h>
#include <asm/paravirt.h>
+#include <asm/setup.h>
#if defined CONFIG_PCI && defined CONFIG_PARAVIRT
/*
diff --git a/arch/x86/kernel/vsyscall_64.c b/arch/x86/kernel/vsyscall_64.c
index 61efa2f7d56..0b8b6690a86 100644
--- a/arch/x86/kernel/vsyscall_64.c
+++ b/arch/x86/kernel/vsyscall_64.c
@@ -42,7 +42,8 @@
#include <asm/topology.h>
#include <asm/vgtod.h>
-#define __vsyscall(nr) __attribute__ ((unused,__section__(".vsyscall_" #nr)))
+#define __vsyscall(nr) \
+ __attribute__ ((unused, __section__(".vsyscall_" #nr))) notrace
#define __syscall_clobber "r11","cx","memory"
/*
@@ -249,7 +250,7 @@ static ctl_table kernel_root_table2[] = {
doesn't violate that. We'll find out if it does. */
static void __cpuinit vsyscall_set_cpu(int cpu)
{
- unsigned long *d;
+ unsigned long d;
unsigned long node = 0;
#ifdef CONFIG_NUMA
node = cpu_to_node(cpu);
@@ -260,11 +261,11 @@ static void __cpuinit vsyscall_set_cpu(int cpu)
/* Store cpu number in limit so that it can be loaded quickly
in user space in vgetcpu.
12 bits for the CPU and 8 bits for the node. */
- d = (unsigned long *)(get_cpu_gdt_table(cpu) + GDT_ENTRY_PER_CPU);
- *d = 0x0f40000000000ULL;
- *d |= cpu;
- *d |= (node & 0xf) << 12;
- *d |= (node >> 4) << 48;
+ d = 0x0f40000000000ULL;
+ d |= cpu;
+ d |= (node & 0xf) << 12;
+ d |= (node >> 4) << 48;
+ write_gdt_entry(get_cpu_gdt_table(cpu), GDT_ENTRY_PER_CPU, &d, DESCTYPE_S);
}
static void __cpuinit cpu_vsyscall_init(void *arg)
@@ -278,7 +279,7 @@ cpu_vsyscall_notifier(struct notifier_block *n, unsigned long action, void *arg)
{
long cpu = (long)arg;
if (action == CPU_ONLINE || action == CPU_ONLINE_FROZEN)
- smp_call_function_single(cpu, cpu_vsyscall_init, NULL, 0, 1);
+ smp_call_function_single(cpu, cpu_vsyscall_init, NULL, 1);
return NOTIFY_DONE;
}
@@ -301,7 +302,7 @@ static int __init vsyscall_init(void)
#ifdef CONFIG_SYSCTL
register_sysctl_table(kernel_root_table2);
#endif
- on_each_cpu(cpu_vsyscall_init, NULL, 0, 1);
+ on_each_cpu(cpu_vsyscall_init, NULL, 1);
hotcpu_notifier(cpu_vsyscall_notifier, 0);
return 0;
}
diff --git a/arch/x86/kernel/x8664_ksyms_64.c b/arch/x86/kernel/x8664_ksyms_64.c
index f6c05d0410f..b545f371b5f 100644
--- a/arch/x86/kernel/x8664_ksyms_64.c
+++ b/arch/x86/kernel/x8664_ksyms_64.c
@@ -2,13 +2,20 @@
All C exports should go in the respective C files. */
#include <linux/module.h>
-#include <net/checksum.h>
#include <linux/smp.h>
+#include <net/checksum.h>
+
#include <asm/processor.h>
-#include <asm/uaccess.h>
#include <asm/pgtable.h>
+#include <asm/uaccess.h>
#include <asm/desc.h>
+#include <asm/ftrace.h>
+
+#ifdef CONFIG_FTRACE
+/* mcount is defined in assembly */
+EXPORT_SYMBOL(mcount);
+#endif
EXPORT_SYMBOL(kernel_thread);
@@ -53,8 +60,3 @@ EXPORT_SYMBOL(init_level4_pgt);
EXPORT_SYMBOL(load_gs_index);
EXPORT_SYMBOL(_proxy_pda);
-
-#ifdef CONFIG_PARAVIRT
-/* Virtualized guests may want to use it */
-EXPORT_SYMBOL_GPL(cpu_gdt_descr);
-#endif
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 540e9517907..10ce6ee4c49 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -335,7 +335,7 @@ static void vcpu_clear(struct vcpu_vmx *vmx)
{
if (vmx->vcpu.cpu == -1)
return;
- smp_call_function_single(vmx->vcpu.cpu, __vcpu_clear, vmx, 0, 1);
+ smp_call_function_single(vmx->vcpu.cpu, __vcpu_clear, vmx, 1);
vmx->launched = 0;
}
@@ -2968,7 +2968,7 @@ static void vmx_free_vmcs(struct kvm_vcpu *vcpu)
struct vcpu_vmx *vmx = to_vmx(vcpu);
if (vmx->vmcs) {
- on_each_cpu(__vcpu_clear, vmx, 0, 1);
+ on_each_cpu(__vcpu_clear, vmx, 1);
free_vmcs(vmx->vmcs);
vmx->vmcs = NULL;
}
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 63a77caa59f..0faa2546b1c 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -4044,6 +4044,6 @@ void kvm_vcpu_kick(struct kvm_vcpu *vcpu)
* So need not to call smp_call_function_single() in that case.
*/
if (vcpu->guest_mode && vcpu->cpu != cpu)
- smp_call_function_single(ipi_pcpu, vcpu_kick_intr, vcpu, 0, 0);
+ smp_call_function_single(ipi_pcpu, vcpu_kick_intr, vcpu, 0);
put_cpu();
}
diff --git a/arch/x86/lguest/Kconfig b/arch/x86/lguest/Kconfig
index 964dfa36d36..c70e12b1a63 100644
--- a/arch/x86/lguest/Kconfig
+++ b/arch/x86/lguest/Kconfig
@@ -3,7 +3,7 @@ config LGUEST_GUEST
select PARAVIRT
depends on X86_32
depends on !X86_PAE
- depends on !(X86_VISWS || X86_VOYAGER)
+ depends on !X86_VOYAGER
select VIRTIO
select VIRTIO_RING
select VIRTIO_CONSOLE
diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c
index 5c7e2fd5207..50dad44fb54 100644
--- a/arch/x86/lguest/boot.c
+++ b/arch/x86/lguest/boot.c
@@ -607,7 +607,7 @@ static unsigned long lguest_get_wallclock(void)
* what speed it runs at, or 0 if it's unusable as a reliable clock source.
* This matches what we want here: if we return 0 from this function, the x86
* TSC clock will give up and not register itself. */
-static unsigned long lguest_cpu_khz(void)
+static unsigned long lguest_tsc_khz(void)
{
return lguest_data.tsc_khz;
}
@@ -835,7 +835,7 @@ static __init char *lguest_memory_setup(void)
/* The Linux bootloader header contains an "e820" memory map: the
* Launcher populated the first entry with our memory limit. */
- add_memory_region(boot_params.e820_map[0].addr,
+ e820_add_region(boot_params.e820_map[0].addr,
boot_params.e820_map[0].size,
boot_params.e820_map[0].type);
@@ -998,7 +998,7 @@ __init void lguest_init(void)
/* time operations */
pv_time_ops.get_wallclock = lguest_get_wallclock;
pv_time_ops.time_init = lguest_time_init;
- pv_time_ops.get_cpu_khz = lguest_cpu_khz;
+ pv_time_ops.get_tsc_khz = lguest_tsc_khz;
/* Now is a good time to look at the implementations of these functions
* before returning to the rest of lguest_init(). */
@@ -1012,6 +1012,7 @@ __init void lguest_init(void)
* clobbered. The Launcher places our initial pagetables somewhere at
* the top of our physical memory, so we don't need extra space: set
* init_pg_tables_end to the end of the kernel. */
+ init_pg_tables_start = __pa(pg0);
init_pg_tables_end = __pa(pg0);
/* Load the %fs segment register (the per-cpu segment register) with
@@ -1065,9 +1066,9 @@ __init void lguest_init(void)
pm_power_off = lguest_power_off;
machine_ops.restart = lguest_restart;
- /* Now we're set up, call start_kernel() in init/main.c and we proceed
+ /* Now we're set up, call i386_start_kernel() in head32.c and we proceed
* to boot as normal. It never returns. */
- start_kernel();
+ i386_start_kernel();
}
/*
* This marks the end of stage II of our journey, The Guest.
diff --git a/arch/x86/lib/Makefile b/arch/x86/lib/Makefile
index 76f60f52a88..aa3fa411942 100644
--- a/arch/x86/lib/Makefile
+++ b/arch/x86/lib/Makefile
@@ -4,8 +4,9 @@
obj-$(CONFIG_SMP) := msr-on-cpu.o
-lib-y := delay_$(BITS).o
-lib-y += usercopy_$(BITS).o getuser_$(BITS).o putuser_$(BITS).o
+lib-y := delay.o
+lib-y += thunk_$(BITS).o
+lib-y += usercopy_$(BITS).o getuser.o putuser.o
lib-y += memcpy_$(BITS).o
ifeq ($(CONFIG_X86_32),y)
diff --git a/arch/x86/lib/copy_user_64.S b/arch/x86/lib/copy_user_64.S
index ee1c3f63515..dfdf428975c 100644
--- a/arch/x86/lib/copy_user_64.S
+++ b/arch/x86/lib/copy_user_64.S
@@ -1,8 +1,10 @@
-/* Copyright 2002 Andi Kleen, SuSE Labs.
+/*
+ * Copyright 2008 Vitaly Mayatskikh <vmayatsk@redhat.com>
+ * Copyright 2002 Andi Kleen, SuSE Labs.
* Subject to the GNU Public License v2.
- *
- * Functions to copy from and to user space.
- */
+ *
+ * Functions to copy from and to user space.
+ */
#include <linux/linkage.h>
#include <asm/dwarf2.h>
@@ -20,60 +22,88 @@
.long \orig-1f /* by default jump to orig */
1:
.section .altinstr_replacement,"ax"
-2: .byte 0xe9 /* near jump with 32bit immediate */
+2: .byte 0xe9 /* near jump with 32bit immediate */
.long \alt-1b /* offset */ /* or alternatively to alt */
.previous
.section .altinstructions,"a"
.align 8
.quad 0b
.quad 2b
- .byte \feature /* when feature is set */
+ .byte \feature /* when feature is set */
.byte 5
.byte 5
.previous
.endm
-/* Standard copy_to_user with segment limit checking */
+ .macro ALIGN_DESTINATION
+#ifdef FIX_ALIGNMENT
+ /* check for bad alignment of destination */
+ movl %edi,%ecx
+ andl $7,%ecx
+ jz 102f /* already aligned */
+ subl $8,%ecx
+ negl %ecx
+ subl %ecx,%edx
+100: movb (%rsi),%al
+101: movb %al,(%rdi)
+ incq %rsi
+ incq %rdi
+ decl %ecx
+ jnz 100b
+102:
+ .section .fixup,"ax"
+103: addl %r8d,%edx /* ecx is zerorest also */
+ jmp copy_user_handle_tail
+ .previous
+
+ .section __ex_table,"a"
+ .align 8
+ .quad 100b,103b
+ .quad 101b,103b
+ .previous
+#endif
+ .endm
+
+/* Standard copy_to_user with segment limit checking */
ENTRY(copy_to_user)
CFI_STARTPROC
GET_THREAD_INFO(%rax)
movq %rdi,%rcx
addq %rdx,%rcx
- jc bad_to_user
- cmpq threadinfo_addr_limit(%rax),%rcx
+ jc bad_to_user
+ cmpq TI_addr_limit(%rax),%rcx
jae bad_to_user
- xorl %eax,%eax /* clear zero flag */
ALTERNATIVE_JUMP X86_FEATURE_REP_GOOD,copy_user_generic_unrolled,copy_user_generic_string
CFI_ENDPROC
-ENTRY(copy_user_generic)
+/* Standard copy_from_user with segment limit checking */
+ENTRY(copy_from_user)
CFI_STARTPROC
- movl $1,%ecx /* set zero flag */
+ GET_THREAD_INFO(%rax)
+ movq %rsi,%rcx
+ addq %rdx,%rcx
+ jc bad_from_user
+ cmpq TI_addr_limit(%rax),%rcx
+ jae bad_from_user
ALTERNATIVE_JUMP X86_FEATURE_REP_GOOD,copy_user_generic_unrolled,copy_user_generic_string
CFI_ENDPROC
+ENDPROC(copy_from_user)
-ENTRY(__copy_from_user_inatomic)
+ENTRY(copy_user_generic)
CFI_STARTPROC
- xorl %ecx,%ecx /* clear zero flag */
ALTERNATIVE_JUMP X86_FEATURE_REP_GOOD,copy_user_generic_unrolled,copy_user_generic_string
CFI_ENDPROC
+ENDPROC(copy_user_generic)
-/* Standard copy_from_user with segment limit checking */
-ENTRY(copy_from_user)
+ENTRY(__copy_from_user_inatomic)
CFI_STARTPROC
- GET_THREAD_INFO(%rax)
- movq %rsi,%rcx
- addq %rdx,%rcx
- jc bad_from_user
- cmpq threadinfo_addr_limit(%rax),%rcx
- jae bad_from_user
- movl $1,%ecx /* set zero flag */
ALTERNATIVE_JUMP X86_FEATURE_REP_GOOD,copy_user_generic_unrolled,copy_user_generic_string
CFI_ENDPROC
-ENDPROC(copy_from_user)
-
+ENDPROC(__copy_from_user_inatomic)
+
.section .fixup,"ax"
/* must zero dest */
+ENTRY(bad_from_user)
bad_from_user:
CFI_STARTPROC
movl %edx,%ecx
@@ -81,271 +111,158 @@ bad_from_user:
rep
stosb
bad_to_user:
- movl %edx,%eax
+ movl %edx,%eax
ret
CFI_ENDPROC
-END(bad_from_user)
+ENDPROC(bad_from_user)
.previous
-
-
+
/*
* copy_user_generic_unrolled - memory copy with exception handling.
- * This version is for CPUs like P4 that don't have efficient micro code for rep movsq
- *
- * Input:
+ * This version is for CPUs like P4 that don't have efficient micro
+ * code for rep movsq
+ *
+ * Input:
* rdi destination
* rsi source
* rdx count
- * ecx zero flag -- if true zero destination on error
*
- * Output:
- * eax uncopied bytes or 0 if successful.
+ * Output:
+ * eax uncopied bytes or 0 if successfull.
*/
ENTRY(copy_user_generic_unrolled)
CFI_STARTPROC
- pushq %rbx
- CFI_ADJUST_CFA_OFFSET 8
- CFI_REL_OFFSET rbx, 0
- pushq %rcx
- CFI_ADJUST_CFA_OFFSET 8
- CFI_REL_OFFSET rcx, 0
- xorl %eax,%eax /*zero for the exception handler */
-
-#ifdef FIX_ALIGNMENT
- /* check for bad alignment of destination */
- movl %edi,%ecx
- andl $7,%ecx
- jnz .Lbad_alignment
-.Lafter_bad_alignment:
-#endif
-
- movq %rdx,%rcx
-
- movl $64,%ebx
- shrq $6,%rdx
- decq %rdx
- js .Lhandle_tail
-
- .p2align 4
-.Lloop:
-.Ls1: movq (%rsi),%r11
-.Ls2: movq 1*8(%rsi),%r8
-.Ls3: movq 2*8(%rsi),%r9
-.Ls4: movq 3*8(%rsi),%r10
-.Ld1: movq %r11,(%rdi)
-.Ld2: movq %r8,1*8(%rdi)
-.Ld3: movq %r9,2*8(%rdi)
-.Ld4: movq %r10,3*8(%rdi)
-
-.Ls5: movq 4*8(%rsi),%r11
-.Ls6: movq 5*8(%rsi),%r8
-.Ls7: movq 6*8(%rsi),%r9
-.Ls8: movq 7*8(%rsi),%r10
-.Ld5: movq %r11,4*8(%rdi)
-.Ld6: movq %r8,5*8(%rdi)
-.Ld7: movq %r9,6*8(%rdi)
-.Ld8: movq %r10,7*8(%rdi)
-
- decq %rdx
-
+ cmpl $8,%edx
+ jb 20f /* less then 8 bytes, go to byte copy loop */
+ ALIGN_DESTINATION
+ movl %edx,%ecx
+ andl $63,%edx
+ shrl $6,%ecx
+ jz 17f
+1: movq (%rsi),%r8
+2: movq 1*8(%rsi),%r9
+3: movq 2*8(%rsi),%r10
+4: movq 3*8(%rsi),%r11
+5: movq %r8,(%rdi)
+6: movq %r9,1*8(%rdi)
+7: movq %r10,2*8(%rdi)
+8: movq %r11,3*8(%rdi)
+9: movq 4*8(%rsi),%r8
+10: movq 5*8(%rsi),%r9
+11: movq 6*8(%rsi),%r10
+12: movq 7*8(%rsi),%r11
+13: movq %r8,4*8(%rdi)
+14: movq %r9,5*8(%rdi)
+15: movq %r10,6*8(%rdi)
+16: movq %r11,7*8(%rdi)
leaq 64(%rsi),%rsi
leaq 64(%rdi),%rdi
-
- jns .Lloop
-
- .p2align 4
-.Lhandle_tail:
- movl %ecx,%edx
- andl $63,%ecx
- shrl $3,%ecx
- jz .Lhandle_7
- movl $8,%ebx
- .p2align 4
-.Lloop_8:
-.Ls9: movq (%rsi),%r8
-.Ld9: movq %r8,(%rdi)
decl %ecx
- leaq 8(%rdi),%rdi
+ jnz 1b
+17: movl %edx,%ecx
+ andl $7,%edx
+ shrl $3,%ecx
+ jz 20f
+18: movq (%rsi),%r8
+19: movq %r8,(%rdi)
leaq 8(%rsi),%rsi
- jnz .Lloop_8
-
-.Lhandle_7:
+ leaq 8(%rdi),%rdi
+ decl %ecx
+ jnz 18b
+20: andl %edx,%edx
+ jz 23f
movl %edx,%ecx
- andl $7,%ecx
- jz .Lende
- .p2align 4
-.Lloop_1:
-.Ls10: movb (%rsi),%bl
-.Ld10: movb %bl,(%rdi)
- incq %rdi
+21: movb (%rsi),%al
+22: movb %al,(%rdi)
incq %rsi
+ incq %rdi
decl %ecx
- jnz .Lloop_1
-
- CFI_REMEMBER_STATE
-.Lende:
- popq %rcx
- CFI_ADJUST_CFA_OFFSET -8
- CFI_RESTORE rcx
- popq %rbx
- CFI_ADJUST_CFA_OFFSET -8
- CFI_RESTORE rbx
+ jnz 21b
+23: xor %eax,%eax
ret
- CFI_RESTORE_STATE
-#ifdef FIX_ALIGNMENT
- /* align destination */
- .p2align 4
-.Lbad_alignment:
- movl $8,%r9d
- subl %ecx,%r9d
- movl %r9d,%ecx
- cmpq %r9,%rdx
- jz .Lhandle_7
- js .Lhandle_7
-.Lalign_1:
-.Ls11: movb (%rsi),%bl
-.Ld11: movb %bl,(%rdi)
- incq %rsi
- incq %rdi
- decl %ecx
- jnz .Lalign_1
- subq %r9,%rdx
- jmp .Lafter_bad_alignment
-#endif
+ .section .fixup,"ax"
+30: shll $6,%ecx
+ addl %ecx,%edx
+ jmp 60f
+40: lea (%rdx,%rcx,8),%rdx
+ jmp 60f
+50: movl %ecx,%edx
+60: jmp copy_user_handle_tail /* ecx is zerorest also */
+ .previous
- /* table sorted by exception address */
.section __ex_table,"a"
.align 8
- .quad .Ls1,.Ls1e /* Ls1-Ls4 have copied zero bytes */
- .quad .Ls2,.Ls1e
- .quad .Ls3,.Ls1e
- .quad .Ls4,.Ls1e
- .quad .Ld1,.Ls1e /* Ld1-Ld4 have copied 0-24 bytes */
- .quad .Ld2,.Ls2e
- .quad .Ld3,.Ls3e
- .quad .Ld4,.Ls4e
- .quad .Ls5,.Ls5e /* Ls5-Ls8 have copied 32 bytes */
- .quad .Ls6,.Ls5e
- .quad .Ls7,.Ls5e
- .quad .Ls8,.Ls5e
- .quad .Ld5,.Ls5e /* Ld5-Ld8 have copied 32-56 bytes */
- .quad .Ld6,.Ls6e
- .quad .Ld7,.Ls7e
- .quad .Ld8,.Ls8e
- .quad .Ls9,.Le_quad
- .quad .Ld9,.Le_quad
- .quad .Ls10,.Le_byte
- .quad .Ld10,.Le_byte
-#ifdef FIX_ALIGNMENT
- .quad .Ls11,.Lzero_rest
- .quad .Ld11,.Lzero_rest
-#endif
- .quad .Le5,.Le_zero
+ .quad 1b,30b
+ .quad 2b,30b
+ .quad 3b,30b
+ .quad 4b,30b
+ .quad 5b,30b
+ .quad 6b,30b
+ .quad 7b,30b
+ .quad 8b,30b
+ .quad 9b,30b
+ .quad 10b,30b
+ .quad 11b,30b
+ .quad 12b,30b
+ .quad 13b,30b
+ .quad 14b,30b
+ .quad 15b,30b
+ .quad 16b,30b
+ .quad 18b,40b
+ .quad 19b,40b
+ .quad 21b,50b
+ .quad 22b,50b
.previous
-
- /* eax: zero, ebx: 64 */
-.Ls1e: addl $8,%eax /* eax is bytes left uncopied within the loop (Ls1e: 64 .. Ls8e: 8) */
-.Ls2e: addl $8,%eax
-.Ls3e: addl $8,%eax
-.Ls4e: addl $8,%eax
-.Ls5e: addl $8,%eax
-.Ls6e: addl $8,%eax
-.Ls7e: addl $8,%eax
-.Ls8e: addl $8,%eax
- addq %rbx,%rdi /* +64 */
- subq %rax,%rdi /* correct destination with computed offset */
-
- shlq $6,%rdx /* loop counter * 64 (stride length) */
- addq %rax,%rdx /* add offset to loopcnt */
- andl $63,%ecx /* remaining bytes */
- addq %rcx,%rdx /* add them */
- jmp .Lzero_rest
-
- /* exception on quad word loop in tail handling */
- /* ecx: loopcnt/8, %edx: length, rdi: correct */
-.Le_quad:
- shll $3,%ecx
- andl $7,%edx
- addl %ecx,%edx
- /* edx: bytes to zero, rdi: dest, eax:zero */
-.Lzero_rest:
- cmpl $0,(%rsp)
- jz .Le_zero
- movq %rdx,%rcx
-.Le_byte:
- xorl %eax,%eax
-.Le5: rep
- stosb
- /* when there is another exception while zeroing the rest just return */
-.Le_zero:
- movq %rdx,%rax
- jmp .Lende
CFI_ENDPROC
-ENDPROC(copy_user_generic)
+ENDPROC(copy_user_generic_unrolled)
-
- /* Some CPUs run faster using the string copy instructions.
- This is also a lot simpler. Use them when possible.
- Patch in jmps to this code instead of copying it fully
- to avoid unwanted aliasing in the exception tables. */
-
- /* rdi destination
- * rsi source
- * rdx count
- * ecx zero flag
- *
- * Output:
- * eax uncopied bytes or 0 if successfull.
- *
- * Only 4GB of copy is supported. This shouldn't be a problem
- * because the kernel normally only writes from/to page sized chunks
- * even if user space passed a longer buffer.
- * And more would be dangerous because both Intel and AMD have
- * errata with rep movsq > 4GB. If someone feels the need to fix
- * this please consider this.
- */
+/* Some CPUs run faster using the string copy instructions.
+ * This is also a lot simpler. Use them when possible.
+ *
+ * Only 4GB of copy is supported. This shouldn't be a problem
+ * because the kernel normally only writes from/to page sized chunks
+ * even if user space passed a longer buffer.
+ * And more would be dangerous because both Intel and AMD have
+ * errata with rep movsq > 4GB. If someone feels the need to fix
+ * this please consider this.
+ *
+ * Input:
+ * rdi destination
+ * rsi source
+ * rdx count
+ *
+ * Output:
+ * eax uncopied bytes or 0 if successful.
+ */
ENTRY(copy_user_generic_string)
CFI_STARTPROC
- movl %ecx,%r8d /* save zero flag */
+ andl %edx,%edx
+ jz 4f
+ cmpl $8,%edx
+ jb 2f /* less than 8 bytes, go to byte copy loop */
+ ALIGN_DESTINATION
movl %edx,%ecx
shrl $3,%ecx
- andl $7,%edx
- jz 10f
-1: rep
- movsq
- movl %edx,%ecx
-2: rep
- movsb
-9: movl %ecx,%eax
- ret
-
- /* multiple of 8 byte */
-10: rep
+ andl $7,%edx
+1: rep
movsq
- xor %eax,%eax
+2: movl %edx,%ecx
+3: rep
+ movsb
+4: xorl %eax,%eax
ret
- /* exception handling */
-3: lea (%rdx,%rcx,8),%rax /* exception on quad loop */
- jmp 6f
-5: movl %ecx,%eax /* exception on byte loop */
- /* eax: left over bytes */
-6: testl %r8d,%r8d /* zero flag set? */
- jz 7f
- movl %eax,%ecx /* initialize x86 loop counter */
- push %rax
- xorl %eax,%eax
-8: rep
- stosb /* zero the rest */
-11: pop %rax
-7: ret
- CFI_ENDPROC
-END(copy_user_generic_c)
+ .section .fixup,"ax"
+11: lea (%rdx,%rcx,8),%rcx
+12: movl %ecx,%edx /* ecx is zerorest also */
+ jmp copy_user_handle_tail
+ .previous
.section __ex_table,"a"
- .quad 1b,3b
- .quad 2b,5b
- .quad 8b,11b
- .quad 10b,3b
+ .align 8
+ .quad 1b,11b
+ .quad 3b,12b
.previous
+ CFI_ENDPROC
+ENDPROC(copy_user_generic_string)
diff --git a/arch/x86/lib/copy_user_nocache_64.S b/arch/x86/lib/copy_user_nocache_64.S
index 9d3d1ab8376..40e0e309d27 100644
--- a/arch/x86/lib/copy_user_nocache_64.S
+++ b/arch/x86/lib/copy_user_nocache_64.S
@@ -1,4 +1,6 @@
-/* Copyright 2002 Andi Kleen, SuSE Labs.
+/*
+ * Copyright 2008 Vitaly Mayatskikh <vmayatsk@redhat.com>
+ * Copyright 2002 Andi Kleen, SuSE Labs.
* Subject to the GNU Public License v2.
*
* Functions to copy from and to user space.
@@ -12,204 +14,125 @@
#include <asm/current.h>
#include <asm/asm-offsets.h>
#include <asm/thread_info.h>
-#include <asm/cpufeature.h>
-
-/*
- * copy_user_nocache - Uncached memory copy with exception handling
- * This will force destination/source out of cache for more performance.
- *
- * Input:
- * rdi destination
- * rsi source
- * rdx count
- * rcx zero flag when 1 zero on exception
- *
- * Output:
- * eax uncopied bytes or 0 if successful.
- */
-ENTRY(__copy_user_nocache)
- CFI_STARTPROC
- pushq %rbx
- CFI_ADJUST_CFA_OFFSET 8
- CFI_REL_OFFSET rbx, 0
- pushq %rcx /* save zero flag */
- CFI_ADJUST_CFA_OFFSET 8
- CFI_REL_OFFSET rcx, 0
-
- xorl %eax,%eax /* zero for the exception handler */
+ .macro ALIGN_DESTINATION
#ifdef FIX_ALIGNMENT
/* check for bad alignment of destination */
movl %edi,%ecx
andl $7,%ecx
- jnz .Lbad_alignment
-.Lafter_bad_alignment:
-#endif
-
- movq %rdx,%rcx
-
- movl $64,%ebx
- shrq $6,%rdx
- decq %rdx
- js .Lhandle_tail
-
- .p2align 4
-.Lloop:
-.Ls1: movq (%rsi),%r11
-.Ls2: movq 1*8(%rsi),%r8
-.Ls3: movq 2*8(%rsi),%r9
-.Ls4: movq 3*8(%rsi),%r10
-.Ld1: movnti %r11,(%rdi)
-.Ld2: movnti %r8,1*8(%rdi)
-.Ld3: movnti %r9,2*8(%rdi)
-.Ld4: movnti %r10,3*8(%rdi)
-
-.Ls5: movq 4*8(%rsi),%r11
-.Ls6: movq 5*8(%rsi),%r8
-.Ls7: movq 6*8(%rsi),%r9
-.Ls8: movq 7*8(%rsi),%r10
-.Ld5: movnti %r11,4*8(%rdi)
-.Ld6: movnti %r8,5*8(%rdi)
-.Ld7: movnti %r9,6*8(%rdi)
-.Ld8: movnti %r10,7*8(%rdi)
+ jz 102f /* already aligned */
+ subl $8,%ecx
+ negl %ecx
+ subl %ecx,%edx
+100: movb (%rsi),%al
+101: movb %al,(%rdi)
+ incq %rsi
+ incq %rdi
+ decl %ecx
+ jnz 100b
+102:
+ .section .fixup,"ax"
+103: addl %r8d,%edx /* ecx is zerorest also */
+ jmp copy_user_handle_tail
+ .previous
- dec %rdx
+ .section __ex_table,"a"
+ .align 8
+ .quad 100b,103b
+ .quad 101b,103b
+ .previous
+#endif
+ .endm
+/*
+ * copy_user_nocache - Uncached memory copy with exception handling
+ * This will force destination/source out of cache for more performance.
+ */
+ENTRY(__copy_user_nocache)
+ CFI_STARTPROC
+ cmpl $8,%edx
+ jb 20f /* less then 8 bytes, go to byte copy loop */
+ ALIGN_DESTINATION
+ movl %edx,%ecx
+ andl $63,%edx
+ shrl $6,%ecx
+ jz 17f
+1: movq (%rsi),%r8
+2: movq 1*8(%rsi),%r9
+3: movq 2*8(%rsi),%r10
+4: movq 3*8(%rsi),%r11
+5: movnti %r8,(%rdi)
+6: movnti %r9,1*8(%rdi)
+7: movnti %r10,2*8(%rdi)
+8: movnti %r11,3*8(%rdi)
+9: movq 4*8(%rsi),%r8
+10: movq 5*8(%rsi),%r9
+11: movq 6*8(%rsi),%r10
+12: movq 7*8(%rsi),%r11
+13: movnti %r8,4*8(%rdi)
+14: movnti %r9,5*8(%rdi)
+15: movnti %r10,6*8(%rdi)
+16: movnti %r11,7*8(%rdi)
leaq 64(%rsi),%rsi
leaq 64(%rdi),%rdi
-
- jns .Lloop
-
- .p2align 4
-.Lhandle_tail:
- movl %ecx,%edx
- andl $63,%ecx
- shrl $3,%ecx
- jz .Lhandle_7
- movl $8,%ebx
- .p2align 4
-.Lloop_8:
-.Ls9: movq (%rsi),%r8
-.Ld9: movnti %r8,(%rdi)
decl %ecx
- leaq 8(%rdi),%rdi
+ jnz 1b
+17: movl %edx,%ecx
+ andl $7,%edx
+ shrl $3,%ecx
+ jz 20f
+18: movq (%rsi),%r8
+19: movnti %r8,(%rdi)
leaq 8(%rsi),%rsi
- jnz .Lloop_8
-
-.Lhandle_7:
+ leaq 8(%rdi),%rdi
+ decl %ecx
+ jnz 18b
+20: andl %edx,%edx
+ jz 23f
movl %edx,%ecx
- andl $7,%ecx
- jz .Lende
- .p2align 4
-.Lloop_1:
-.Ls10: movb (%rsi),%bl
-.Ld10: movb %bl,(%rdi)
- incq %rdi
+21: movb (%rsi),%al
+22: movb %al,(%rdi)
incq %rsi
+ incq %rdi
decl %ecx
- jnz .Lloop_1
-
- CFI_REMEMBER_STATE
-.Lende:
- popq %rcx
- CFI_ADJUST_CFA_OFFSET -8
- CFI_RESTORE %rcx
- popq %rbx
- CFI_ADJUST_CFA_OFFSET -8
- CFI_RESTORE rbx
+ jnz 21b
+23: xorl %eax,%eax
sfence
ret
- CFI_RESTORE_STATE
-#ifdef FIX_ALIGNMENT
- /* align destination */
- .p2align 4
-.Lbad_alignment:
- movl $8,%r9d
- subl %ecx,%r9d
- movl %r9d,%ecx
- cmpq %r9,%rdx
- jz .Lhandle_7
- js .Lhandle_7
-.Lalign_1:
-.Ls11: movb (%rsi),%bl
-.Ld11: movb %bl,(%rdi)
- incq %rsi
- incq %rdi
- decl %ecx
- jnz .Lalign_1
- subq %r9,%rdx
- jmp .Lafter_bad_alignment
-#endif
+ .section .fixup,"ax"
+30: shll $6,%ecx
+ addl %ecx,%edx
+ jmp 60f
+40: lea (%rdx,%rcx,8),%rdx
+ jmp 60f
+50: movl %ecx,%edx
+60: sfence
+ movl %r8d,%ecx
+ jmp copy_user_handle_tail
+ .previous
- /* table sorted by exception address */
.section __ex_table,"a"
- .align 8
- .quad .Ls1,.Ls1e /* .Ls[1-4] - 0 bytes copied */
- .quad .Ls2,.Ls1e
- .quad .Ls3,.Ls1e
- .quad .Ls4,.Ls1e
- .quad .Ld1,.Ls1e /* .Ld[1-4] - 0..24 bytes coped */
- .quad .Ld2,.Ls2e
- .quad .Ld3,.Ls3e
- .quad .Ld4,.Ls4e
- .quad .Ls5,.Ls5e /* .Ls[5-8] - 32 bytes copied */
- .quad .Ls6,.Ls5e
- .quad .Ls7,.Ls5e
- .quad .Ls8,.Ls5e
- .quad .Ld5,.Ls5e /* .Ld[5-8] - 32..56 bytes copied */
- .quad .Ld6,.Ls6e
- .quad .Ld7,.Ls7e
- .quad .Ld8,.Ls8e
- .quad .Ls9,.Le_quad
- .quad .Ld9,.Le_quad
- .quad .Ls10,.Le_byte
- .quad .Ld10,.Le_byte
-#ifdef FIX_ALIGNMENT
- .quad .Ls11,.Lzero_rest
- .quad .Ld11,.Lzero_rest
-#endif
- .quad .Le5,.Le_zero
+ .quad 1b,30b
+ .quad 2b,30b
+ .quad 3b,30b
+ .quad 4b,30b
+ .quad 5b,30b
+ .quad 6b,30b
+ .quad 7b,30b
+ .quad 8b,30b
+ .quad 9b,30b
+ .quad 10b,30b
+ .quad 11b,30b
+ .quad 12b,30b
+ .quad 13b,30b
+ .quad 14b,30b
+ .quad 15b,30b
+ .quad 16b,30b
+ .quad 18b,40b
+ .quad 19b,40b
+ .quad 21b,50b
+ .quad 22b,50b
.previous
-
- /* eax: zero, ebx: 64 */
-.Ls1e: addl $8,%eax /* eax: bytes left uncopied: Ls1e: 64 .. Ls8e: 8 */
-.Ls2e: addl $8,%eax
-.Ls3e: addl $8,%eax
-.Ls4e: addl $8,%eax
-.Ls5e: addl $8,%eax
-.Ls6e: addl $8,%eax
-.Ls7e: addl $8,%eax
-.Ls8e: addl $8,%eax
- addq %rbx,%rdi /* +64 */
- subq %rax,%rdi /* correct destination with computed offset */
-
- shlq $6,%rdx /* loop counter * 64 (stride length) */
- addq %rax,%rdx /* add offset to loopcnt */
- andl $63,%ecx /* remaining bytes */
- addq %rcx,%rdx /* add them */
- jmp .Lzero_rest
-
- /* exception on quad word loop in tail handling */
- /* ecx: loopcnt/8, %edx: length, rdi: correct */
-.Le_quad:
- shll $3,%ecx
- andl $7,%edx
- addl %ecx,%edx
- /* edx: bytes to zero, rdi: dest, eax:zero */
-.Lzero_rest:
- cmpl $0,(%rsp) /* zero flag set? */
- jz .Le_zero
- movq %rdx,%rcx
-.Le_byte:
- xorl %eax,%eax
-.Le5: rep
- stosb
- /* when there is another exception while zeroing the rest just return */
-.Le_zero:
- movq %rdx,%rax
- jmp .Lende
CFI_ENDPROC
ENDPROC(__copy_user_nocache)
-
-
diff --git a/arch/x86/lib/delay_32.c b/arch/x86/lib/delay.c
index d710f2d167b..f4568605d7d 100644
--- a/arch/x86/lib/delay_32.c
+++ b/arch/x86/lib/delay.c
@@ -3,6 +3,7 @@
*
* Copyright (C) 1993 Linus Torvalds
* Copyright (C) 1997 Martin Mares <mj@atrey.karlin.mff.cuni.cz>
+ * Copyright (C) 2008 Jiri Hladky <hladky _dot_ jiri _at_ gmail _dot_ com>
*
* The __delay function must _NOT_ be inlined as its execution time
* depends wildly on alignment on many x86 processors. The additional
@@ -28,16 +29,22 @@
/* simple loop based delay: */
static void delay_loop(unsigned long loops)
{
- int d0;
-
- __asm__ __volatile__(
- "\tjmp 1f\n"
- ".align 16\n"
- "1:\tjmp 2f\n"
- ".align 16\n"
- "2:\tdecl %0\n\tjns 2b"
- :"=&a" (d0)
- :"0" (loops));
+ asm volatile(
+ " test %0,%0 \n"
+ " jz 3f \n"
+ " jmp 1f \n"
+
+ ".align 16 \n"
+ "1: jmp 2f \n"
+
+ ".align 16 \n"
+ "2: dec %0 \n"
+ " jnz 2b \n"
+ "3: dec %0 \n"
+
+ : /* we don't need output */
+ :"a" (loops)
+ );
}
/* TSC based delay: */
@@ -91,7 +98,7 @@ void use_tsc_delay(void)
int __devinit read_current_timer(unsigned long *timer_val)
{
if (delay_fn == delay_tsc) {
- rdtscl(*timer_val);
+ rdtscll(*timer_val);
return 0;
}
return -1;
@@ -101,31 +108,30 @@ void __delay(unsigned long loops)
{
delay_fn(loops);
}
+EXPORT_SYMBOL(__delay);
inline void __const_udelay(unsigned long xloops)
{
int d0;
xloops *= 4;
- __asm__("mull %0"
+ asm("mull %%edx"
:"=d" (xloops), "=&a" (d0)
:"1" (xloops), "0"
(cpu_data(raw_smp_processor_id()).loops_per_jiffy * (HZ/4)));
__delay(++xloops);
}
+EXPORT_SYMBOL(__const_udelay);
void __udelay(unsigned long usecs)
{
__const_udelay(usecs * 0x000010c7); /* 2**32 / 1000000 (rounded up) */
}
+EXPORT_SYMBOL(__udelay);
void __ndelay(unsigned long nsecs)
{
__const_udelay(nsecs * 0x00005); /* 2**32 / 1000000000 (rounded up) */
}
-
-EXPORT_SYMBOL(__delay);
-EXPORT_SYMBOL(__const_udelay);
-EXPORT_SYMBOL(__udelay);
EXPORT_SYMBOL(__ndelay);
diff --git a/arch/x86/lib/delay_64.c b/arch/x86/lib/delay_64.c
deleted file mode 100644
index 4c441be9264..00000000000
--- a/arch/x86/lib/delay_64.c
+++ /dev/null
@@ -1,85 +0,0 @@
-/*
- * Precise Delay Loops for x86-64
- *
- * Copyright (C) 1993 Linus Torvalds
- * Copyright (C) 1997 Martin Mares <mj@atrey.karlin.mff.cuni.cz>
- *
- * The __delay function must _NOT_ be inlined as its execution time
- * depends wildly on alignment on many x86 processors.
- */
-
-#include <linux/module.h>
-#include <linux/sched.h>
-#include <linux/timex.h>
-#include <linux/preempt.h>
-#include <linux/delay.h>
-#include <linux/init.h>
-
-#include <asm/delay.h>
-#include <asm/msr.h>
-
-#ifdef CONFIG_SMP
-#include <asm/smp.h>
-#endif
-
-int __devinit read_current_timer(unsigned long *timer_value)
-{
- rdtscll(*timer_value);
- return 0;
-}
-
-void __delay(unsigned long loops)
-{
- unsigned bclock, now;
- int cpu;
-
- preempt_disable();
- cpu = smp_processor_id();
- rdtscl(bclock);
- for (;;) {
- rdtscl(now);
- if ((now - bclock) >= loops)
- break;
-
- /* Allow RT tasks to run */
- preempt_enable();
- rep_nop();
- preempt_disable();
-
- /*
- * It is possible that we moved to another CPU, and
- * since TSC's are per-cpu we need to calculate
- * that. The delay must guarantee that we wait "at
- * least" the amount of time. Being moved to another
- * CPU could make the wait longer but we just need to
- * make sure we waited long enough. Rebalance the
- * counter for this CPU.
- */
- if (unlikely(cpu != smp_processor_id())) {
- loops -= (now - bclock);
- cpu = smp_processor_id();
- rdtscl(bclock);
- }
- }
- preempt_enable();
-}
-EXPORT_SYMBOL(__delay);
-
-inline void __const_udelay(unsigned long xloops)
-{
- __delay(((xloops * HZ *
- cpu_data(raw_smp_processor_id()).loops_per_jiffy) >> 32) + 1);
-}
-EXPORT_SYMBOL(__const_udelay);
-
-void __udelay(unsigned long usecs)
-{
- __const_udelay(usecs * 0x000010c7); /* 2**32 / 1000000 (rounded up) */
-}
-EXPORT_SYMBOL(__udelay);
-
-void __ndelay(unsigned long nsecs)
-{
- __const_udelay(nsecs * 0x00005); /* 2**32 / 1000000000 (rounded up) */
-}
-EXPORT_SYMBOL(__ndelay);
diff --git a/arch/x86/lib/getuser_64.S b/arch/x86/lib/getuser.S
index 5448876261f..ad374003742 100644
--- a/arch/x86/lib/getuser_64.S
+++ b/arch/x86/lib/getuser.S
@@ -3,6 +3,7 @@
*
* (C) Copyright 1998 Linus Torvalds
* (C) Copyright 2005 Andi Kleen
+ * (C) Copyright 2008 Glauber Costa
*
* These functions have a non-standard call interface
* to make them more efficient, especially as they
@@ -13,14 +14,13 @@
/*
* __get_user_X
*
- * Inputs: %rcx contains the address.
+ * Inputs: %[r|e]ax contains the address.
* The register is modified, but all changes are undone
* before returning because the C code doesn't know about it.
*
- * Outputs: %rax is error code (0 or -EFAULT)
- * %rdx contains zero-extended value
- *
- * %r8 is destroyed.
+ * Outputs: %[r|e]ax is error code (0 or -EFAULT)
+ * %[r|e]dx contains zero-extended value
+ *
*
* These functions should not modify any other registers,
* as they get called from within inline assembly.
@@ -32,78 +32,73 @@
#include <asm/errno.h>
#include <asm/asm-offsets.h>
#include <asm/thread_info.h>
+#include <asm/asm.h>
.text
ENTRY(__get_user_1)
CFI_STARTPROC
- GET_THREAD_INFO(%r8)
- cmpq threadinfo_addr_limit(%r8),%rcx
+ GET_THREAD_INFO(%_ASM_DX)
+ cmp TI_addr_limit(%_ASM_DX),%_ASM_AX
jae bad_get_user
-1: movzb (%rcx),%edx
- xorl %eax,%eax
+1: movzb (%_ASM_AX),%edx
+ xor %eax,%eax
ret
CFI_ENDPROC
ENDPROC(__get_user_1)
ENTRY(__get_user_2)
CFI_STARTPROC
- GET_THREAD_INFO(%r8)
- addq $1,%rcx
- jc 20f
- cmpq threadinfo_addr_limit(%r8),%rcx
- jae 20f
- decq %rcx
-2: movzwl (%rcx),%edx
- xorl %eax,%eax
+ add $1,%_ASM_AX
+ jc bad_get_user
+ GET_THREAD_INFO(%_ASM_DX)
+ cmp TI_addr_limit(%_ASM_DX),%_ASM_AX
+ jae bad_get_user
+2: movzwl -1(%_ASM_AX),%edx
+ xor %eax,%eax
ret
-20: decq %rcx
- jmp bad_get_user
CFI_ENDPROC
ENDPROC(__get_user_2)
ENTRY(__get_user_4)
CFI_STARTPROC
- GET_THREAD_INFO(%r8)
- addq $3,%rcx
- jc 30f
- cmpq threadinfo_addr_limit(%r8),%rcx
- jae 30f
- subq $3,%rcx
-3: movl (%rcx),%edx
- xorl %eax,%eax
+ add $3,%_ASM_AX
+ jc bad_get_user
+ GET_THREAD_INFO(%_ASM_DX)
+ cmp TI_addr_limit(%_ASM_DX),%_ASM_AX
+ jae bad_get_user
+3: mov -3(%_ASM_AX),%edx
+ xor %eax,%eax
ret
-30: subq $3,%rcx
- jmp bad_get_user
CFI_ENDPROC
ENDPROC(__get_user_4)
+#ifdef CONFIG_X86_64
ENTRY(__get_user_8)
CFI_STARTPROC
- GET_THREAD_INFO(%r8)
- addq $7,%rcx
- jc 40f
- cmpq threadinfo_addr_limit(%r8),%rcx
- jae 40f
- subq $7,%rcx
-4: movq (%rcx),%rdx
- xorl %eax,%eax
+ add $7,%_ASM_AX
+ jc bad_get_user
+ GET_THREAD_INFO(%_ASM_DX)
+ cmp TI_addr_limit(%_ASM_DX),%_ASM_AX
+ jae bad_get_user
+4: movq -7(%_ASM_AX),%_ASM_DX
+ xor %eax,%eax
ret
-40: subq $7,%rcx
- jmp bad_get_user
CFI_ENDPROC
ENDPROC(__get_user_8)
+#endif
bad_get_user:
CFI_STARTPROC
- xorl %edx,%edx
- movq $(-EFAULT),%rax
+ xor %edx,%edx
+ mov $(-EFAULT),%_ASM_AX
ret
CFI_ENDPROC
END(bad_get_user)
.section __ex_table,"a"
- .quad 1b,bad_get_user
- .quad 2b,bad_get_user
- .quad 3b,bad_get_user
- .quad 4b,bad_get_user
-.previous
+ _ASM_PTR 1b,bad_get_user
+ _ASM_PTR 2b,bad_get_user
+ _ASM_PTR 3b,bad_get_user
+#ifdef CONFIG_X86_64
+ _ASM_PTR 4b,bad_get_user
+#endif
diff --git a/arch/x86/lib/getuser_32.S b/arch/x86/lib/getuser_32.S
deleted file mode 100644
index 6d84b53f12a..00000000000
--- a/arch/x86/lib/getuser_32.S
+++ /dev/null
@@ -1,78 +0,0 @@
-/*
- * __get_user functions.
- *
- * (C) Copyright 1998 Linus Torvalds
- *
- * These functions have a non-standard call interface
- * to make them more efficient, especially as they
- * return an error value in addition to the "real"
- * return value.
- */
-#include <linux/linkage.h>
-#include <asm/dwarf2.h>
-#include <asm/thread_info.h>
-
-
-/*
- * __get_user_X
- *
- * Inputs: %eax contains the address
- *
- * Outputs: %eax is error code (0 or -EFAULT)
- * %edx contains zero-extended value
- *
- * These functions should not modify any other registers,
- * as they get called from within inline assembly.
- */
-
-.text
-ENTRY(__get_user_1)
- CFI_STARTPROC
- GET_THREAD_INFO(%edx)
- cmpl TI_addr_limit(%edx),%eax
- jae bad_get_user
-1: movzbl (%eax),%edx
- xorl %eax,%eax
- ret
- CFI_ENDPROC
-ENDPROC(__get_user_1)
-
-ENTRY(__get_user_2)
- CFI_STARTPROC
- addl $1,%eax
- jc bad_get_user
- GET_THREAD_INFO(%edx)
- cmpl TI_addr_limit(%edx),%eax
- jae bad_get_user
-2: movzwl -1(%eax),%edx
- xorl %eax,%eax
- ret
- CFI_ENDPROC
-ENDPROC(__get_user_2)
-
-ENTRY(__get_user_4)
- CFI_STARTPROC
- addl $3,%eax
- jc bad_get_user
- GET_THREAD_INFO(%edx)
- cmpl TI_addr_limit(%edx),%eax
- jae bad_get_user
-3: movl -3(%eax),%edx
- xorl %eax,%eax
- ret
- CFI_ENDPROC
-ENDPROC(__get_user_4)
-
-bad_get_user:
- CFI_STARTPROC
- xorl %edx,%edx
- movl $-14,%eax
- ret
- CFI_ENDPROC
-END(bad_get_user)
-
-.section __ex_table,"a"
- .long 1b,bad_get_user
- .long 2b,bad_get_user
- .long 3b,bad_get_user
-.previous
diff --git a/arch/x86/lib/msr-on-cpu.c b/arch/x86/lib/msr-on-cpu.c
index 57d043fa893..d5a2b39f882 100644
--- a/arch/x86/lib/msr-on-cpu.c
+++ b/arch/x86/lib/msr-on-cpu.c
@@ -30,10 +30,10 @@ static int _rdmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h, int safe)
rv.msr_no = msr_no;
if (safe) {
- smp_call_function_single(cpu, __rdmsr_safe_on_cpu, &rv, 0, 1);
+ smp_call_function_single(cpu, __rdmsr_safe_on_cpu, &rv, 1);
err = rv.err;
} else {
- smp_call_function_single(cpu, __rdmsr_on_cpu, &rv, 0, 1);
+ smp_call_function_single(cpu, __rdmsr_on_cpu, &rv, 1);
}
*l = rv.l;
*h = rv.h;
@@ -64,10 +64,10 @@ static int _wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h, int safe)
rv.l = l;
rv.h = h;
if (safe) {
- smp_call_function_single(cpu, __wrmsr_safe_on_cpu, &rv, 0, 1);
+ smp_call_function_single(cpu, __wrmsr_safe_on_cpu, &rv, 1);
err = rv.err;
} else {
- smp_call_function_single(cpu, __wrmsr_on_cpu, &rv, 0, 1);
+ smp_call_function_single(cpu, __wrmsr_on_cpu, &rv, 1);
}
return err;
diff --git a/arch/x86/lib/putuser_32.S b/arch/x86/lib/putuser.S
index f58fba109d1..36b0d15ae6e 100644
--- a/arch/x86/lib/putuser_32.S
+++ b/arch/x86/lib/putuser.S
@@ -2,6 +2,8 @@
* __put_user functions.
*
* (C) Copyright 2005 Linus Torvalds
+ * (C) Copyright 2005 Andi Kleen
+ * (C) Copyright 2008 Glauber Costa
*
* These functions have a non-standard call interface
* to make them more efficient, especially as they
@@ -11,6 +13,8 @@
#include <linux/linkage.h>
#include <asm/dwarf2.h>
#include <asm/thread_info.h>
+#include <asm/errno.h>
+#include <asm/asm.h>
/*
@@ -26,73 +30,68 @@
*/
#define ENTER CFI_STARTPROC ; \
- pushl %ebx ; \
- CFI_ADJUST_CFA_OFFSET 4 ; \
- CFI_REL_OFFSET ebx, 0 ; \
- GET_THREAD_INFO(%ebx)
-#define EXIT popl %ebx ; \
- CFI_ADJUST_CFA_OFFSET -4 ; \
- CFI_RESTORE ebx ; \
- ret ; \
+ GET_THREAD_INFO(%_ASM_BX)
+#define EXIT ret ; \
CFI_ENDPROC
.text
ENTRY(__put_user_1)
ENTER
- cmpl TI_addr_limit(%ebx),%ecx
+ cmp TI_addr_limit(%_ASM_BX),%_ASM_CX
jae bad_put_user
-1: movb %al,(%ecx)
- xorl %eax,%eax
+1: movb %al,(%_ASM_CX)
+ xor %eax,%eax
EXIT
ENDPROC(__put_user_1)
ENTRY(__put_user_2)
ENTER
- movl TI_addr_limit(%ebx),%ebx
- subl $1,%ebx
- cmpl %ebx,%ecx
+ mov TI_addr_limit(%_ASM_BX),%_ASM_BX
+ sub $1,%_ASM_BX
+ cmp %_ASM_BX,%_ASM_CX
jae bad_put_user
-2: movw %ax,(%ecx)
- xorl %eax,%eax
+2: movw %ax,(%_ASM_CX)
+ xor %eax,%eax
EXIT
ENDPROC(__put_user_2)
ENTRY(__put_user_4)
ENTER
- movl TI_addr_limit(%ebx),%ebx
- subl $3,%ebx
- cmpl %ebx,%ecx
+ mov TI_addr_limit(%_ASM_BX),%_ASM_BX
+ sub $3,%_ASM_BX
+ cmp %_ASM_BX,%_ASM_CX
jae bad_put_user
-3: movl %eax,(%ecx)
- xorl %eax,%eax
+3: movl %eax,(%_ASM_CX)
+ xor %eax,%eax
EXIT
ENDPROC(__put_user_4)
ENTRY(__put_user_8)
ENTER
- movl TI_addr_limit(%ebx),%ebx
- subl $7,%ebx
- cmpl %ebx,%ecx
+ mov TI_addr_limit(%_ASM_BX),%_ASM_BX
+ sub $7,%_ASM_BX
+ cmp %_ASM_BX,%_ASM_CX
jae bad_put_user
-4: movl %eax,(%ecx)
-5: movl %edx,4(%ecx)
- xorl %eax,%eax
+4: mov %_ASM_AX,(%_ASM_CX)
+#ifdef CONFIG_X86_32
+5: movl %edx,4(%_ASM_CX)
+#endif
+ xor %eax,%eax
EXIT
ENDPROC(__put_user_8)
bad_put_user:
- CFI_STARTPROC simple
- CFI_DEF_CFA esp, 2*4
- CFI_OFFSET eip, -1*4
- CFI_OFFSET ebx, -2*4
- movl $-14,%eax
+ CFI_STARTPROC
+ movl $-EFAULT,%eax
EXIT
END(bad_put_user)
.section __ex_table,"a"
- .long 1b,bad_put_user
- .long 2b,bad_put_user
- .long 3b,bad_put_user
- .long 4b,bad_put_user
- .long 5b,bad_put_user
+ _ASM_PTR 1b,bad_put_user
+ _ASM_PTR 2b,bad_put_user
+ _ASM_PTR 3b,bad_put_user
+ _ASM_PTR 4b,bad_put_user
+#ifdef CONFIG_X86_32
+ _ASM_PTR 5b,bad_put_user
+#endif
.previous
diff --git a/arch/x86/lib/putuser_64.S b/arch/x86/lib/putuser_64.S
deleted file mode 100644
index 4989f5a8fa9..00000000000
--- a/arch/x86/lib/putuser_64.S
+++ /dev/null
@@ -1,106 +0,0 @@
-/*
- * __put_user functions.
- *
- * (C) Copyright 1998 Linus Torvalds
- * (C) Copyright 2005 Andi Kleen
- *
- * These functions have a non-standard call interface
- * to make them more efficient, especially as they
- * return an error value in addition to the "real"
- * return value.
- */
-
-/*
- * __put_user_X
- *
- * Inputs: %rcx contains the address
- * %rdx contains new value
- *
- * Outputs: %rax is error code (0 or -EFAULT)
- *
- * %r8 is destroyed.
- *
- * These functions should not modify any other registers,
- * as they get called from within inline assembly.
- */
-
-#include <linux/linkage.h>
-#include <asm/dwarf2.h>
-#include <asm/page.h>
-#include <asm/errno.h>
-#include <asm/asm-offsets.h>
-#include <asm/thread_info.h>
-
- .text
-ENTRY(__put_user_1)
- CFI_STARTPROC
- GET_THREAD_INFO(%r8)
- cmpq threadinfo_addr_limit(%r8),%rcx
- jae bad_put_user
-1: movb %dl,(%rcx)
- xorl %eax,%eax
- ret
- CFI_ENDPROC
-ENDPROC(__put_user_1)
-
-ENTRY(__put_user_2)
- CFI_STARTPROC
- GET_THREAD_INFO(%r8)
- addq $1,%rcx
- jc 20f
- cmpq threadinfo_addr_limit(%r8),%rcx
- jae 20f
- decq %rcx
-2: movw %dx,(%rcx)
- xorl %eax,%eax
- ret
-20: decq %rcx
- jmp bad_put_user
- CFI_ENDPROC
-ENDPROC(__put_user_2)
-
-ENTRY(__put_user_4)
- CFI_STARTPROC
- GET_THREAD_INFO(%r8)
- addq $3,%rcx
- jc 30f
- cmpq threadinfo_addr_limit(%r8),%rcx
- jae 30f
- subq $3,%rcx
-3: movl %edx,(%rcx)
- xorl %eax,%eax
- ret
-30: subq $3,%rcx
- jmp bad_put_user
- CFI_ENDPROC
-ENDPROC(__put_user_4)
-
-ENTRY(__put_user_8)
- CFI_STARTPROC
- GET_THREAD_INFO(%r8)
- addq $7,%rcx
- jc 40f
- cmpq threadinfo_addr_limit(%r8),%rcx
- jae 40f
- subq $7,%rcx
-4: movq %rdx,(%rcx)
- xorl %eax,%eax
- ret
-40: subq $7,%rcx
- jmp bad_put_user
- CFI_ENDPROC
-ENDPROC(__put_user_8)
-
-bad_put_user:
- CFI_STARTPROC
- movq $(-EFAULT),%rax
- ret
- CFI_ENDPROC
-END(bad_put_user)
-
-.section __ex_table,"a"
- .quad 1b,bad_put_user
- .quad 2b,bad_put_user
- .quad 3b,bad_put_user
- .quad 4b,bad_put_user
-.previous
diff --git a/arch/x86/lib/thunk_32.S b/arch/x86/lib/thunk_32.S
new file mode 100644
index 00000000000..650b11e00ec
--- /dev/null
+++ b/arch/x86/lib/thunk_32.S
@@ -0,0 +1,47 @@
+/*
+ * Trampoline to trace irqs off. (otherwise CALLER_ADDR1 might crash)
+ * Copyright 2008 by Steven Rostedt, Red Hat, Inc
+ * (inspired by Andi Kleen's thunk_64.S)
+ * Subject to the GNU public license, v.2. No warranty of any kind.
+ */
+
+ #include <linux/linkage.h>
+
+#define ARCH_TRACE_IRQS_ON \
+ pushl %eax; \
+ pushl %ecx; \
+ pushl %edx; \
+ call trace_hardirqs_on; \
+ popl %edx; \
+ popl %ecx; \
+ popl %eax;
+
+#define ARCH_TRACE_IRQS_OFF \
+ pushl %eax; \
+ pushl %ecx; \
+ pushl %edx; \
+ call trace_hardirqs_off; \
+ popl %edx; \
+ popl %ecx; \
+ popl %eax;
+
+#ifdef CONFIG_TRACE_IRQFLAGS
+ /* put return address in eax (arg1) */
+ .macro thunk_ra name,func
+ .globl \name
+\name:
+ pushl %eax
+ pushl %ecx
+ pushl %edx
+ /* Place EIP in the arg1 */
+ movl 3*4(%esp), %eax
+ call \func
+ popl %edx
+ popl %ecx
+ popl %eax
+ ret
+ .endm
+
+ thunk_ra trace_hardirqs_on_thunk,trace_hardirqs_on_caller
+ thunk_ra trace_hardirqs_off_thunk,trace_hardirqs_off_caller
+#endif
diff --git a/arch/x86/lib/thunk_64.S b/arch/x86/lib/thunk_64.S
index e009251d4e9..bf9a7d5a542 100644
--- a/arch/x86/lib/thunk_64.S
+++ b/arch/x86/lib/thunk_64.S
@@ -2,6 +2,7 @@
* Save registers before calling assembly functions. This avoids
* disturbance of register allocation in some inline assembly constructs.
* Copyright 2001,2002 by Andi Kleen, SuSE Labs.
+ * Added trace_hardirqs callers - Copyright 2007 Steven Rostedt, Red Hat, Inc.
* Subject to the GNU public license, v.2. No warranty of any kind.
*/
@@ -42,8 +43,22 @@
#endif
#ifdef CONFIG_TRACE_IRQFLAGS
- thunk trace_hardirqs_on_thunk,trace_hardirqs_on
- thunk trace_hardirqs_off_thunk,trace_hardirqs_off
+ /* put return address in rdi (arg1) */
+ .macro thunk_ra name,func
+ .globl \name
+\name:
+ CFI_STARTPROC
+ SAVE_ARGS
+ /* SAVE_ARGS pushs 9 elements */
+ /* the next element would be the rip */
+ movq 9*8(%rsp), %rdi
+ call \func
+ jmp restore
+ CFI_ENDPROC
+ .endm
+
+ thunk_ra trace_hardirqs_on_thunk,trace_hardirqs_on_caller
+ thunk_ra trace_hardirqs_off_thunk,trace_hardirqs_off_caller
#endif
#ifdef CONFIG_DEBUG_LOCK_ALLOC
diff --git a/arch/x86/lib/usercopy_64.c b/arch/x86/lib/usercopy_64.c
index 0c89d1bb028..f4df6e7c718 100644
--- a/arch/x86/lib/usercopy_64.c
+++ b/arch/x86/lib/usercopy_64.c
@@ -158,3 +158,26 @@ unsigned long copy_in_user(void __user *to, const void __user *from, unsigned le
}
EXPORT_SYMBOL(copy_in_user);
+/*
+ * Try to copy last bytes and clear the rest if needed.
+ * Since protection fault in copy_from/to_user is not a normal situation,
+ * it is not necessary to optimize tail handling.
+ */
+unsigned long
+copy_user_handle_tail(char *to, char *from, unsigned len, unsigned zerorest)
+{
+ char c;
+ unsigned zero_len;
+
+ for (; len; --len) {
+ if (__get_user_nocheck(c, from++, sizeof(char)))
+ break;
+ if (__put_user_nocheck(c, to++, sizeof(char)))
+ break;
+ }
+
+ for (c = 0, zero_len = len; zerorest && zero_len; --zero_len)
+ if (__put_user_nocheck(c, to++, sizeof(char)))
+ break;
+ return len;
+}
diff --git a/arch/x86/mach-default/setup.c b/arch/x86/mach-default/setup.c
index 0c28a071824..48278fa7d3d 100644
--- a/arch/x86/mach-default/setup.c
+++ b/arch/x86/mach-default/setup.c
@@ -10,6 +10,14 @@
#include <asm/e820.h>
#include <asm/setup.h>
+/*
+ * Any quirks to be performed to initialize timers/irqs/etc?
+ */
+int (*arch_time_init_quirk)(void);
+int (*arch_pre_intr_init_quirk)(void);
+int (*arch_intr_init_quirk)(void);
+int (*arch_trap_init_quirk)(void);
+
#ifdef CONFIG_HOTPLUG_CPU
#define DEFAULT_SEND_IPI (1)
#else
@@ -29,6 +37,10 @@ int no_broadcast=DEFAULT_SEND_IPI;
**/
void __init pre_intr_init_hook(void)
{
+ if (arch_pre_intr_init_quirk) {
+ if (arch_pre_intr_init_quirk())
+ return;
+ }
init_ISA_irqs();
}
@@ -52,6 +64,10 @@ static struct irqaction irq2 = {
**/
void __init intr_init_hook(void)
{
+ if (arch_intr_init_quirk) {
+ if (arch_intr_init_quirk())
+ return;
+ }
#ifdef CONFIG_X86_LOCAL_APIC
apic_intr_init();
#endif
@@ -65,7 +81,7 @@ void __init intr_init_hook(void)
*
* Description:
* generally used to activate any machine specific identification
- * routines that may be needed before setup_arch() runs. On VISWS
+ * routines that may be needed before setup_arch() runs. On Voyager
* this is used to get the board revision and type.
**/
void __init pre_setup_arch_hook(void)
@@ -81,6 +97,10 @@ void __init pre_setup_arch_hook(void)
**/
void __init trap_init_hook(void)
{
+ if (arch_trap_init_quirk) {
+ if (arch_trap_init_quirk())
+ return;
+ }
}
static struct irqaction irq0 = {
@@ -99,6 +119,16 @@ static struct irqaction irq0 = {
**/
void __init time_init_hook(void)
{
+ if (arch_time_init_quirk) {
+ /*
+ * A nonzero return code does not mean failure, it means
+ * that the architecture quirk does not want any
+ * generic (timer) setup to be performed after this:
+ */
+ if (arch_time_init_quirk())
+ return;
+ }
+
irq0.mask = cpumask_of_cpu(0);
setup_irq(0, &irq0);
}
@@ -142,45 +172,3 @@ static int __init print_ipi_mode(void)
late_initcall(print_ipi_mode);
-/**
- * machine_specific_memory_setup - Hook for machine specific memory setup.
- *
- * Description:
- * This is included late in kernel/setup.c so that it can make
- * use of all of the static functions.
- **/
-
-char * __init machine_specific_memory_setup(void)
-{
- char *who;
-
-
- who = "BIOS-e820";
-
- /*
- * Try to copy the BIOS-supplied E820-map.
- *
- * Otherwise fake a memory map; one section from 0k->640k,
- * the next section from 1mb->appropriate_mem_k
- */
- sanitize_e820_map(boot_params.e820_map, &boot_params.e820_entries);
- if (copy_e820_map(boot_params.e820_map, boot_params.e820_entries)
- < 0) {
- unsigned long mem_size;
-
- /* compare results from other methods and take the greater */
- if (boot_params.alt_mem_k
- < boot_params.screen_info.ext_mem_k) {
- mem_size = boot_params.screen_info.ext_mem_k;
- who = "BIOS-88";
- } else {
- mem_size = boot_params.alt_mem_k;
- who = "BIOS-e801";
- }
-
- e820.nr_map = 0;
- add_memory_region(0, LOWMEMSIZE(), E820_RAM);
- add_memory_region(HIGH_MEMORY, mem_size << 10, E820_RAM);
- }
- return who;
-}
diff --git a/arch/x86/mach-es7000/Makefile b/arch/x86/mach-es7000/Makefile
index 69dd4da218d..3ef8b43b62f 100644
--- a/arch/x86/mach-es7000/Makefile
+++ b/arch/x86/mach-es7000/Makefile
@@ -3,4 +3,3 @@
#
obj-$(CONFIG_X86_ES7000) := es7000plat.o
-obj-$(CONFIG_X86_GENERICARCH) := es7000plat.o
diff --git a/arch/x86/mach-es7000/es7000plat.c b/arch/x86/mach-es7000/es7000plat.c
index f5d6f7d8b86..4354ce80488 100644
--- a/arch/x86/mach-es7000/es7000plat.c
+++ b/arch/x86/mach-es7000/es7000plat.c
@@ -52,6 +52,8 @@ static struct mip_reg *host_reg;
static int mip_port;
static unsigned long mip_addr, host_addr;
+int es7000_plat;
+
/*
* GSI override for ES7000 platforms.
*/
@@ -175,53 +177,6 @@ find_unisys_acpi_oem_table(unsigned long *oem_addr)
}
#endif
-/*
- * This file also gets compiled if CONFIG_X86_GENERICARCH is set. Generic
- * arch already has got following function definitions (asm-generic/es7000.c)
- * hence no need to define these for that case.
- */
-#ifndef CONFIG_X86_GENERICARCH
-void es7000_sw_apic(void);
-void __init enable_apic_mode(void)
-{
- es7000_sw_apic();
- return;
-}
-
-__init int mps_oem_check(struct mp_config_table *mpc, char *oem,
- char *productid)
-{
- if (mpc->mpc_oemptr) {
- struct mp_config_oemtable *oem_table =
- (struct mp_config_oemtable *)mpc->mpc_oemptr;
- if (!strncmp(oem, "UNISYS", 6))
- return parse_unisys_oem((char *)oem_table);
- }
- return 0;
-}
-#ifdef CONFIG_ACPI
-/* Hook from generic ACPI tables.c */
-int __init acpi_madt_oem_check(char *oem_id, char *oem_table_id)
-{
- unsigned long oem_addr;
- if (!find_unisys_acpi_oem_table(&oem_addr)) {
- if (es7000_check_dsdt())
- return parse_unisys_oem((char *)oem_addr);
- else {
- setup_unisys();
- return 1;
- }
- }
- return 0;
-}
-#else
-int __init acpi_madt_oem_check(char *oem_id, char *oem_table_id)
-{
- return 0;
-}
-#endif
-#endif /* COFIG_X86_GENERICARCH */
-
static void
es7000_spin(int n)
{
diff --git a/arch/x86/mach-generic/Makefile b/arch/x86/mach-generic/Makefile
index 19d6d407737..0dbd7803a1d 100644
--- a/arch/x86/mach-generic/Makefile
+++ b/arch/x86/mach-generic/Makefile
@@ -2,7 +2,11 @@
# Makefile for the generic architecture
#
-EXTRA_CFLAGS := -Iarch/x86/kernel
+EXTRA_CFLAGS := -Iarch/x86/kernel
-obj-y := probe.o summit.o bigsmp.o es7000.o default.o
-obj-y += ../../x86/mach-es7000/
+obj-y := probe.o default.o
+obj-$(CONFIG_X86_NUMAQ) += numaq.o
+obj-$(CONFIG_X86_SUMMIT) += summit.o
+obj-$(CONFIG_X86_BIGSMP) += bigsmp.o
+obj-$(CONFIG_X86_ES7000) += es7000.o
+obj-$(CONFIG_X86_ES7000) += ../../x86/mach-es7000/
diff --git a/arch/x86/mach-generic/bigsmp.c b/arch/x86/mach-generic/bigsmp.c
index 95fc463056d..59d77171455 100644
--- a/arch/x86/mach-generic/bigsmp.c
+++ b/arch/x86/mach-generic/bigsmp.c
@@ -23,10 +23,8 @@ static int dmi_bigsmp; /* can be set by dmi scanners */
static int hp_ht_bigsmp(const struct dmi_system_id *d)
{
-#ifdef CONFIG_X86_GENERICARCH
printk(KERN_NOTICE "%s detected: force use of apic=bigsmp\n", d->ident);
dmi_bigsmp = 1;
-#endif
return 0;
}
@@ -48,7 +46,7 @@ static const struct dmi_system_id bigsmp_dmi_table[] = {
static int probe_bigsmp(void)
{
if (def_to_bigsmp)
- dmi_bigsmp = 1;
+ dmi_bigsmp = 1;
else
dmi_check_system(bigsmp_dmi_table);
return dmi_bigsmp;
diff --git a/arch/x86/mach-generic/numaq.c b/arch/x86/mach-generic/numaq.c
new file mode 100644
index 00000000000..8091e68764c
--- /dev/null
+++ b/arch/x86/mach-generic/numaq.c
@@ -0,0 +1,41 @@
+/*
+ * APIC driver for the IBM NUMAQ chipset.
+ */
+#define APIC_DEFINITION 1
+#include <linux/threads.h>
+#include <linux/cpumask.h>
+#include <linux/smp.h>
+#include <asm/mpspec.h>
+#include <asm/genapic.h>
+#include <asm/fixmap.h>
+#include <asm/apicdef.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/init.h>
+#include <asm/mach-numaq/mach_apic.h>
+#include <asm/mach-numaq/mach_apicdef.h>
+#include <asm/mach-numaq/mach_ipi.h>
+#include <asm/mach-numaq/mach_mpparse.h>
+#include <asm/mach-numaq/mach_wakecpu.h>
+#include <asm/numaq.h>
+
+static int mps_oem_check(struct mp_config_table *mpc, char *oem,
+ char *productid)
+{
+ numaq_mps_oem_check(mpc, oem, productid);
+ return found_numaq;
+}
+
+static int probe_numaq(void)
+{
+ /* already know from get_memcfg_numaq() */
+ return found_numaq;
+}
+
+/* Hook from generic ACPI tables.c */
+static int acpi_madt_oem_check(char *oem_id, char *oem_table_id)
+{
+ return 0;
+}
+
+struct genapic apic_numaq = APIC_INIT("NUMAQ", probe_numaq);
diff --git a/arch/x86/mach-generic/probe.c b/arch/x86/mach-generic/probe.c
index c5ae751b994..5a7e4619e1c 100644
--- a/arch/x86/mach-generic/probe.c
+++ b/arch/x86/mach-generic/probe.c
@@ -16,6 +16,7 @@
#include <asm/apicdef.h>
#include <asm/genapic.h>
+extern struct genapic apic_numaq;
extern struct genapic apic_summit;
extern struct genapic apic_bigsmp;
extern struct genapic apic_es7000;
@@ -24,9 +25,18 @@ extern struct genapic apic_default;
struct genapic *genapic = &apic_default;
static struct genapic *apic_probe[] __initdata = {
+#ifdef CONFIG_X86_NUMAQ
+ &apic_numaq,
+#endif
+#ifdef CONFIG_X86_SUMMIT
&apic_summit,
+#endif
+#ifdef CONFIG_X86_BIGSMP
&apic_bigsmp,
+#endif
+#ifdef CONFIG_X86_ES7000
&apic_es7000,
+#endif
&apic_default, /* must be last */
NULL,
};
@@ -54,6 +64,7 @@ early_param("apic", parse_apic);
void __init generic_bigsmp_probe(void)
{
+#ifdef CONFIG_X86_BIGSMP
/*
* This routine is used to switch to bigsmp mode when
* - There is no apic= option specified by the user
@@ -67,6 +78,7 @@ void __init generic_bigsmp_probe(void)
printk(KERN_INFO "Overriding APIC driver with %s\n",
genapic->name);
}
+#endif
}
void __init generic_apic_probe(void)
@@ -88,7 +100,8 @@ void __init generic_apic_probe(void)
/* These functions can switch the APIC even after the initial ->probe() */
-int __init mps_oem_check(struct mp_config_table *mpc, char *oem, char *productid)
+int __init mps_oem_check(struct mp_config_table *mpc, char *oem,
+ char *productid)
{
int i;
for (i = 0; apic_probe[i]; ++i) {
diff --git a/arch/x86/mach-visws/Makefile b/arch/x86/mach-visws/Makefile
deleted file mode 100644
index 835fd96ad76..00000000000
--- a/arch/x86/mach-visws/Makefile
+++ /dev/null
@@ -1,8 +0,0 @@
-#
-# Makefile for the linux kernel.
-#
-
-obj-y := setup.o traps.o reboot.o
-
-obj-$(CONFIG_X86_VISWS_APIC) += visws_apic.o
-obj-$(CONFIG_X86_LOCAL_APIC) += mpparse.o
diff --git a/arch/x86/mach-visws/mpparse.c b/arch/x86/mach-visws/mpparse.c
deleted file mode 100644
index 57484e91ab9..00000000000
--- a/arch/x86/mach-visws/mpparse.c
+++ /dev/null
@@ -1,88 +0,0 @@
-
-#include <linux/init.h>
-#include <linux/smp.h>
-
-#include <asm/smp.h>
-#include <asm/io.h>
-
-#include "cobalt.h"
-#include "mach_apic.h"
-
-/* Have we found an MP table */
-int smp_found_config;
-
-int pic_mode;
-
-extern unsigned int __cpuinitdata maxcpus;
-
-/*
- * The Visual Workstation is Intel MP compliant in the hardware
- * sense, but it doesn't have a BIOS(-configuration table).
- * No problem for Linux.
- */
-
-static void __init MP_processor_info (struct mpc_config_processor *m)
-{
- int ver, logical_apicid;
- physid_mask_t apic_cpus;
-
- if (!(m->mpc_cpuflag & CPU_ENABLED))
- return;
-
- logical_apicid = m->mpc_apicid;
- printk(KERN_INFO "%sCPU #%d %u:%u APIC version %d\n",
- m->mpc_cpuflag & CPU_BOOTPROCESSOR ? "Bootup " : "",
- m->mpc_apicid,
- (m->mpc_cpufeature & CPU_FAMILY_MASK) >> 8,
- (m->mpc_cpufeature & CPU_MODEL_MASK) >> 4,
- m->mpc_apicver);
-
- if (m->mpc_cpuflag & CPU_BOOTPROCESSOR)
- boot_cpu_physical_apicid = m->mpc_apicid;
-
- ver = m->mpc_apicver;
- if ((ver >= 0x14 && m->mpc_apicid >= 0xff) || m->mpc_apicid >= 0xf) {
- printk(KERN_ERR "Processor #%d INVALID. (Max ID: %d).\n",
- m->mpc_apicid, MAX_APICS);
- return;
- }
-
- apic_cpus = apicid_to_cpu_present(m->mpc_apicid);
- physids_or(phys_cpu_present_map, phys_cpu_present_map, apic_cpus);
- /*
- * Validate version
- */
- if (ver == 0x0) {
- printk(KERN_ERR "BIOS bug, APIC version is 0 for CPU#%d! "
- "fixing up to 0x10. (tell your hw vendor)\n",
- m->mpc_apicid);
- ver = 0x10;
- }
- apic_version[m->mpc_apicid] = ver;
-}
-
-void __init find_smp_config(void)
-{
- struct mpc_config_processor *mp = phys_to_virt(CO_CPU_TAB_PHYS);
- unsigned short ncpus = readw(phys_to_virt(CO_CPU_NUM_PHYS));
-
- if (ncpus > CO_CPU_MAX) {
- printk(KERN_WARNING "find_visws_smp: got cpu count of %d at %p\n",
- ncpus, mp);
-
- ncpus = CO_CPU_MAX;
- }
-
- if (ncpus > maxcpus)
- ncpus = maxcpus;
-
- smp_found_config = 1;
- while (ncpus--)
- MP_processor_info(mp++);
-
- mp_lapic_addr = APIC_DEFAULT_PHYS_BASE;
-}
-
-void __init get_smp_config (void)
-{
-}
diff --git a/arch/x86/mach-visws/reboot.c b/arch/x86/mach-visws/reboot.c
deleted file mode 100644
index 99332abfad4..00000000000
--- a/arch/x86/mach-visws/reboot.c
+++ /dev/null
@@ -1,55 +0,0 @@
-#include <linux/module.h>
-#include <linux/smp.h>
-#include <linux/delay.h>
-
-#include <asm/io.h>
-#include "piix4.h"
-
-void (*pm_power_off)(void);
-EXPORT_SYMBOL(pm_power_off);
-
-void machine_shutdown(void)
-{
-#ifdef CONFIG_SMP
- smp_send_stop();
-#endif
-}
-
-void machine_emergency_restart(void)
-{
- /*
- * Visual Workstations restart after this
- * register is poked on the PIIX4
- */
- outb(PIIX4_RESET_VAL, PIIX4_RESET_PORT);
-}
-
-void machine_restart(char * __unused)
-{
- machine_shutdown();
- machine_emergency_restart();
-}
-
-void machine_power_off(void)
-{
- unsigned short pm_status;
- extern unsigned int pci_bus0;
-
- while ((pm_status = inw(PMSTS_PORT)) & 0x100)
- outw(pm_status, PMSTS_PORT);
-
- outw(PM_SUSPEND_ENABLE, PMCNTRL_PORT);
-
- mdelay(10);
-
-#define PCI_CONF1_ADDRESS(bus, devfn, reg) \
- (0x80000000 | (bus << 16) | (devfn << 8) | (reg & ~3))
-
- outl(PCI_CONF1_ADDRESS(pci_bus0, SPECIAL_DEV, SPECIAL_REG), 0xCF8);
- outl(PIIX_SPECIAL_STOP, 0xCFC);
-}
-
-void machine_halt(void)
-{
-}
-
diff --git a/arch/x86/mach-visws/setup.c b/arch/x86/mach-visws/setup.c
deleted file mode 100644
index de4c9dbd086..00000000000
--- a/arch/x86/mach-visws/setup.c
+++ /dev/null
@@ -1,183 +0,0 @@
-/*
- * Unmaintained SGI Visual Workstation support.
- * Split out from setup.c by davej@suse.de
- */
-
-#include <linux/smp.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/module.h>
-
-#include <asm/fixmap.h>
-#include <asm/arch_hooks.h>
-#include <asm/io.h>
-#include <asm/e820.h>
-#include <asm/setup.h>
-#include "cobalt.h"
-#include "piix4.h"
-
-int no_broadcast;
-
-char visws_board_type = -1;
-char visws_board_rev = -1;
-
-void __init visws_get_board_type_and_rev(void)
-{
- int raw;
-
- visws_board_type = (char)(inb_p(PIIX_GPI_BD_REG) & PIIX_GPI_BD_REG)
- >> PIIX_GPI_BD_SHIFT;
- /*
- * Get Board rev.
- * First, we have to initialize the 307 part to allow us access
- * to the GPIO registers. Let's map them at 0x0fc0 which is right
- * after the PIIX4 PM section.
- */
- outb_p(SIO_DEV_SEL, SIO_INDEX);
- outb_p(SIO_GP_DEV, SIO_DATA); /* Talk to GPIO regs. */
-
- outb_p(SIO_DEV_MSB, SIO_INDEX);
- outb_p(SIO_GP_MSB, SIO_DATA); /* MSB of GPIO base address */
-
- outb_p(SIO_DEV_LSB, SIO_INDEX);
- outb_p(SIO_GP_LSB, SIO_DATA); /* LSB of GPIO base address */
-
- outb_p(SIO_DEV_ENB, SIO_INDEX);
- outb_p(1, SIO_DATA); /* Enable GPIO registers. */
-
- /*
- * Now, we have to map the power management section to write
- * a bit which enables access to the GPIO registers.
- * What lunatic came up with this shit?
- */
- outb_p(SIO_DEV_SEL, SIO_INDEX);
- outb_p(SIO_PM_DEV, SIO_DATA); /* Talk to GPIO regs. */
-
- outb_p(SIO_DEV_MSB, SIO_INDEX);
- outb_p(SIO_PM_MSB, SIO_DATA); /* MSB of PM base address */
-
- outb_p(SIO_DEV_LSB, SIO_INDEX);
- outb_p(SIO_PM_LSB, SIO_DATA); /* LSB of PM base address */
-
- outb_p(SIO_DEV_ENB, SIO_INDEX);
- outb_p(1, SIO_DATA); /* Enable PM registers. */
-
- /*
- * Now, write the PM register which enables the GPIO registers.
- */
- outb_p(SIO_PM_FER2, SIO_PM_INDEX);
- outb_p(SIO_PM_GP_EN, SIO_PM_DATA);
-
- /*
- * Now, initialize the GPIO registers.
- * We want them all to be inputs which is the
- * power on default, so let's leave them alone.
- * So, let's just read the board rev!
- */
- raw = inb_p(SIO_GP_DATA1);
- raw &= 0x7f; /* 7 bits of valid board revision ID. */
-
- if (visws_board_type == VISWS_320) {
- if (raw < 0x6) {
- visws_board_rev = 4;
- } else if (raw < 0xc) {
- visws_board_rev = 5;
- } else {
- visws_board_rev = 6;
- }
- } else if (visws_board_type == VISWS_540) {
- visws_board_rev = 2;
- } else {
- visws_board_rev = raw;
- }
-
- printk(KERN_INFO "Silicon Graphics Visual Workstation %s (rev %d) detected\n",
- (visws_board_type == VISWS_320 ? "320" :
- (visws_board_type == VISWS_540 ? "540" :
- "unknown")), visws_board_rev);
-}
-
-void __init pre_intr_init_hook(void)
-{
- init_VISWS_APIC_irqs();
-}
-
-void __init intr_init_hook(void)
-{
-#ifdef CONFIG_X86_LOCAL_APIC
- apic_intr_init();
-#endif
-}
-
-void __init pre_setup_arch_hook()
-{
- visws_get_board_type_and_rev();
-}
-
-static struct irqaction irq0 = {
- .handler = timer_interrupt,
- .flags = IRQF_DISABLED | IRQF_IRQPOLL,
- .name = "timer",
-};
-
-void __init time_init_hook(void)
-{
- printk(KERN_INFO "Starting Cobalt Timer system clock\n");
-
- /* Set the countdown value */
- co_cpu_write(CO_CPU_TIMEVAL, CO_TIME_HZ/HZ);
-
- /* Start the timer */
- co_cpu_write(CO_CPU_CTRL, co_cpu_read(CO_CPU_CTRL) | CO_CTRL_TIMERUN);
-
- /* Enable (unmask) the timer interrupt */
- co_cpu_write(CO_CPU_CTRL, co_cpu_read(CO_CPU_CTRL) & ~CO_CTRL_TIMEMASK);
-
- /* Wire cpu IDT entry to s/w handler (and Cobalt APIC to IDT) */
- setup_irq(0, &irq0);
-}
-
-/* Hook for machine specific memory setup. */
-
-#define MB (1024 * 1024)
-
-unsigned long sgivwfb_mem_phys;
-unsigned long sgivwfb_mem_size;
-EXPORT_SYMBOL(sgivwfb_mem_phys);
-EXPORT_SYMBOL(sgivwfb_mem_size);
-
-long long mem_size __initdata = 0;
-
-char * __init machine_specific_memory_setup(void)
-{
- long long gfx_mem_size = 8 * MB;
-
- mem_size = boot_params.alt_mem_k;
-
- if (!mem_size) {
- printk(KERN_WARNING "Bootloader didn't set memory size, upgrade it !\n");
- mem_size = 128 * MB;
- }
-
- /*
- * this hardcodes the graphics memory to 8 MB
- * it really should be sized dynamically (or at least
- * set as a boot param)
- */
- if (!sgivwfb_mem_size) {
- printk(KERN_WARNING "Defaulting to 8 MB framebuffer size\n");
- sgivwfb_mem_size = 8 * MB;
- }
-
- /*
- * Trim to nearest MB
- */
- sgivwfb_mem_size &= ~((1 << 20) - 1);
- sgivwfb_mem_phys = mem_size - gfx_mem_size;
-
- add_memory_region(0, LOWMEMSIZE(), E820_RAM);
- add_memory_region(HIGH_MEMORY, mem_size - sgivwfb_mem_size - HIGH_MEMORY, E820_RAM);
- add_memory_region(sgivwfb_mem_phys, sgivwfb_mem_size, E820_RESERVED);
-
- return "PROM";
-}
diff --git a/arch/x86/mach-visws/traps.c b/arch/x86/mach-visws/traps.c
deleted file mode 100644
index bfac6ba10f8..00000000000
--- a/arch/x86/mach-visws/traps.c
+++ /dev/null
@@ -1,69 +0,0 @@
-/* VISWS traps */
-
-#include <linux/sched.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/pci.h>
-#include <linux/pci_ids.h>
-
-#include <asm/io.h>
-#include <asm/arch_hooks.h>
-#include <asm/apic.h>
-#include "cobalt.h"
-#include "lithium.h"
-
-
-#define A01234 (LI_INTA_0 | LI_INTA_1 | LI_INTA_2 | LI_INTA_3 | LI_INTA_4)
-#define BCD (LI_INTB | LI_INTC | LI_INTD)
-#define ALLDEVS (A01234 | BCD)
-
-static __init void lithium_init(void)
-{
- set_fixmap(FIX_LI_PCIA, LI_PCI_A_PHYS);
- set_fixmap(FIX_LI_PCIB, LI_PCI_B_PHYS);
-
- if ((li_pcia_read16(PCI_VENDOR_ID) != PCI_VENDOR_ID_SGI) ||
- (li_pcia_read16(PCI_DEVICE_ID) != PCI_DEVICE_ID_SGI_LITHIUM)) {
- printk(KERN_EMERG "Lithium hostbridge %c not found\n", 'A');
- panic("This machine is not SGI Visual Workstation 320/540");
- }
-
- if ((li_pcib_read16(PCI_VENDOR_ID) != PCI_VENDOR_ID_SGI) ||
- (li_pcib_read16(PCI_DEVICE_ID) != PCI_DEVICE_ID_SGI_LITHIUM)) {
- printk(KERN_EMERG "Lithium hostbridge %c not found\n", 'B');
- panic("This machine is not SGI Visual Workstation 320/540");
- }
-
- li_pcia_write16(LI_PCI_INTEN, ALLDEVS);
- li_pcib_write16(LI_PCI_INTEN, ALLDEVS);
-}
-
-static __init void cobalt_init(void)
-{
- /*
- * On normal SMP PC this is used only with SMP, but we have to
- * use it and set it up here to start the Cobalt clock
- */
- set_fixmap(FIX_APIC_BASE, APIC_DEFAULT_PHYS_BASE);
- setup_local_APIC();
- printk(KERN_INFO "Local APIC Version %#x, ID %#x\n",
- (unsigned int)apic_read(APIC_LVR),
- (unsigned int)apic_read(APIC_ID));
-
- set_fixmap(FIX_CO_CPU, CO_CPU_PHYS);
- set_fixmap(FIX_CO_APIC, CO_APIC_PHYS);
- printk(KERN_INFO "Cobalt Revision %#lx, APIC ID %#lx\n",
- co_cpu_read(CO_CPU_REV), co_apic_read(CO_APIC_ID));
-
- /* Enable Cobalt APIC being careful to NOT change the ID! */
- co_apic_write(CO_APIC_ID, co_apic_read(CO_APIC_ID) | CO_APIC_ENABLE);
-
- printk(KERN_INFO "Cobalt APIC enabled: ID reg %#lx\n",
- co_apic_read(CO_APIC_ID));
-}
-
-void __init trap_init_hook(void)
-{
- lithium_init();
- cobalt_init();
-}
diff --git a/arch/x86/mach-visws/visws_apic.c b/arch/x86/mach-visws/visws_apic.c
deleted file mode 100644
index cef9cb1d15a..00000000000
--- a/arch/x86/mach-visws/visws_apic.c
+++ /dev/null
@@ -1,297 +0,0 @@
-/*
- * Copyright (C) 1999 Bent Hagemark, Ingo Molnar
- *
- * SGI Visual Workstation interrupt controller
- *
- * The Cobalt system ASIC in the Visual Workstation contains a "Cobalt" APIC
- * which serves as the main interrupt controller in the system. Non-legacy
- * hardware in the system uses this controller directly. Legacy devices
- * are connected to the PIIX4 which in turn has its 8259(s) connected to
- * a of the Cobalt APIC entry.
- *
- * 09/02/2000 - Updated for 2.4 by jbarnes@sgi.com
- *
- * 25/11/2002 - Updated for 2.5 by Andrey Panin <pazke@orbita1.ru>
- */
-
-#include <linux/kernel_stat.h>
-#include <linux/interrupt.h>
-#include <linux/init.h>
-
-#include <asm/io.h>
-#include <asm/apic.h>
-#include <asm/i8259.h>
-
-#include "cobalt.h"
-#include "irq_vectors.h"
-
-
-static DEFINE_SPINLOCK(cobalt_lock);
-
-/*
- * Set the given Cobalt APIC Redirection Table entry to point
- * to the given IDT vector/index.
- */
-static inline void co_apic_set(int entry, int irq)
-{
- co_apic_write(CO_APIC_LO(entry), CO_APIC_LEVEL | (irq + FIRST_EXTERNAL_VECTOR));
- co_apic_write(CO_APIC_HI(entry), 0);
-}
-
-/*
- * Cobalt (IO)-APIC functions to handle PCI devices.
- */
-static inline int co_apic_ide0_hack(void)
-{
- extern char visws_board_type;
- extern char visws_board_rev;
-
- if (visws_board_type == VISWS_320 && visws_board_rev == 5)
- return 5;
- return CO_APIC_IDE0;
-}
-
-static int is_co_apic(unsigned int irq)
-{
- if (IS_CO_APIC(irq))
- return CO_APIC(irq);
-
- switch (irq) {
- case 0: return CO_APIC_CPU;
- case CO_IRQ_IDE0: return co_apic_ide0_hack();
- case CO_IRQ_IDE1: return CO_APIC_IDE1;
- default: return -1;
- }
-}
-
-
-/*
- * This is the SGI Cobalt (IO-)APIC:
- */
-
-static void enable_cobalt_irq(unsigned int irq)
-{
- co_apic_set(is_co_apic(irq), irq);
-}
-
-static void disable_cobalt_irq(unsigned int irq)
-{
- int entry = is_co_apic(irq);
-
- co_apic_write(CO_APIC_LO(entry), CO_APIC_MASK);
- co_apic_read(CO_APIC_LO(entry));
-}
-
-/*
- * "irq" really just serves to identify the device. Here is where we
- * map this to the Cobalt APIC entry where it's physically wired.
- * This is called via request_irq -> setup_irq -> irq_desc->startup()
- */
-static unsigned int startup_cobalt_irq(unsigned int irq)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&cobalt_lock, flags);
- if ((irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS | IRQ_WAITING)))
- irq_desc[irq].status &= ~(IRQ_DISABLED | IRQ_INPROGRESS | IRQ_WAITING);
- enable_cobalt_irq(irq);
- spin_unlock_irqrestore(&cobalt_lock, flags);
- return 0;
-}
-
-static void ack_cobalt_irq(unsigned int irq)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&cobalt_lock, flags);
- disable_cobalt_irq(irq);
- apic_write(APIC_EOI, APIC_EIO_ACK);
- spin_unlock_irqrestore(&cobalt_lock, flags);
-}
-
-static void end_cobalt_irq(unsigned int irq)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&cobalt_lock, flags);
- if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
- enable_cobalt_irq(irq);
- spin_unlock_irqrestore(&cobalt_lock, flags);
-}
-
-static struct irq_chip cobalt_irq_type = {
- .typename = "Cobalt-APIC",
- .startup = startup_cobalt_irq,
- .shutdown = disable_cobalt_irq,
- .enable = enable_cobalt_irq,
- .disable = disable_cobalt_irq,
- .ack = ack_cobalt_irq,
- .end = end_cobalt_irq,
-};
-
-
-/*
- * This is the PIIX4-based 8259 that is wired up indirectly to Cobalt
- * -- not the manner expected by the code in i8259.c.
- *
- * there is a 'master' physical interrupt source that gets sent to
- * the CPU. But in the chipset there are various 'virtual' interrupts
- * waiting to be handled. We represent this to Linux through a 'master'
- * interrupt controller type, and through a special virtual interrupt-
- * controller. Device drivers only see the virtual interrupt sources.
- */
-static unsigned int startup_piix4_master_irq(unsigned int irq)
-{
- init_8259A(0);
-
- return startup_cobalt_irq(irq);
-}
-
-static void end_piix4_master_irq(unsigned int irq)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&cobalt_lock, flags);
- enable_cobalt_irq(irq);
- spin_unlock_irqrestore(&cobalt_lock, flags);
-}
-
-static struct irq_chip piix4_master_irq_type = {
- .typename = "PIIX4-master",
- .startup = startup_piix4_master_irq,
- .ack = ack_cobalt_irq,
- .end = end_piix4_master_irq,
-};
-
-
-static struct irq_chip piix4_virtual_irq_type = {
- .typename = "PIIX4-virtual",
- .shutdown = disable_8259A_irq,
- .enable = enable_8259A_irq,
- .disable = disable_8259A_irq,
-};
-
-
-/*
- * PIIX4-8259 master/virtual functions to handle interrupt requests
- * from legacy devices: floppy, parallel, serial, rtc.
- *
- * None of these get Cobalt APIC entries, neither do they have IDT
- * entries. These interrupts are purely virtual and distributed from
- * the 'master' interrupt source: CO_IRQ_8259.
- *
- * When the 8259 interrupts its handler figures out which of these
- * devices is interrupting and dispatches to its handler.
- *
- * CAREFUL: devices see the 'virtual' interrupt only. Thus disable/
- * enable_irq gets the right irq. This 'master' irq is never directly
- * manipulated by any driver.
- */
-static irqreturn_t piix4_master_intr(int irq, void *dev_id)
-{
- int realirq;
- irq_desc_t *desc;
- unsigned long flags;
-
- spin_lock_irqsave(&i8259A_lock, flags);
-
- /* Find out what's interrupting in the PIIX4 master 8259 */
- outb(0x0c, 0x20); /* OCW3 Poll command */
- realirq = inb(0x20);
-
- /*
- * Bit 7 == 0 means invalid/spurious
- */
- if (unlikely(!(realirq & 0x80)))
- goto out_unlock;
-
- realirq &= 7;
-
- if (unlikely(realirq == 2)) {
- outb(0x0c, 0xa0);
- realirq = inb(0xa0);
-
- if (unlikely(!(realirq & 0x80)))
- goto out_unlock;
-
- realirq = (realirq & 7) + 8;
- }
-
- /* mask and ack interrupt */
- cached_irq_mask |= 1 << realirq;
- if (unlikely(realirq > 7)) {
- inb(0xa1);
- outb(cached_slave_mask, 0xa1);
- outb(0x60 + (realirq & 7), 0xa0);
- outb(0x60 + 2, 0x20);
- } else {
- inb(0x21);
- outb(cached_master_mask, 0x21);
- outb(0x60 + realirq, 0x20);
- }
-
- spin_unlock_irqrestore(&i8259A_lock, flags);
-
- desc = irq_desc + realirq;
-
- /*
- * handle this 'virtual interrupt' as a Cobalt one now.
- */
- kstat_cpu(smp_processor_id()).irqs[realirq]++;
-
- if (likely(desc->action != NULL))
- handle_IRQ_event(realirq, desc->action);
-
- if (!(desc->status & IRQ_DISABLED))
- enable_8259A_irq(realirq);
-
- return IRQ_HANDLED;
-
-out_unlock:
- spin_unlock_irqrestore(&i8259A_lock, flags);
- return IRQ_NONE;
-}
-
-static struct irqaction master_action = {
- .handler = piix4_master_intr,
- .name = "PIIX4-8259",
-};
-
-static struct irqaction cascade_action = {
- .handler = no_action,
- .name = "cascade",
-};
-
-
-void init_VISWS_APIC_irqs(void)
-{
- int i;
-
- for (i = 0; i < CO_IRQ_APIC0 + CO_APIC_LAST + 1; i++) {
- irq_desc[i].status = IRQ_DISABLED;
- irq_desc[i].action = 0;
- irq_desc[i].depth = 1;
-
- if (i == 0) {
- irq_desc[i].chip = &cobalt_irq_type;
- }
- else if (i == CO_IRQ_IDE0) {
- irq_desc[i].chip = &cobalt_irq_type;
- }
- else if (i == CO_IRQ_IDE1) {
- irq_desc[i].chip = &cobalt_irq_type;
- }
- else if (i == CO_IRQ_8259) {
- irq_desc[i].chip = &piix4_master_irq_type;
- }
- else if (i < CO_IRQ_APIC0) {
- irq_desc[i].chip = &piix4_virtual_irq_type;
- }
- else if (IS_CO_APIC(i)) {
- irq_desc[i].chip = &cobalt_irq_type;
- }
- }
-
- setup_irq(CO_IRQ_8259, &master_action);
- setup_irq(2, &cascade_action);
-}
diff --git a/arch/x86/mach-voyager/setup.c b/arch/x86/mach-voyager/setup.c
index 5ae5466b9eb..6bbdd633864 100644
--- a/arch/x86/mach-voyager/setup.c
+++ b/arch/x86/mach-voyager/setup.c
@@ -62,6 +62,7 @@ void __init time_init_hook(void)
char *__init machine_specific_memory_setup(void)
{
char *who;
+ int new_nr;
who = "NOT VOYAGER";
@@ -73,7 +74,7 @@ char *__init machine_specific_memory_setup(void)
e820.nr_map = 0;
for (i = 0; voyager_memory_detect(i, &addr, &length); i++) {
- add_memory_region(addr, length, E820_RAM);
+ e820_add_region(addr, length, E820_RAM);
}
return who;
} else if (voyager_level == 4) {
@@ -91,43 +92,17 @@ char *__init machine_specific_memory_setup(void)
tom = (boot_params.screen_info.ext_mem_k) << 10;
}
who = "Voyager-TOM";
- add_memory_region(0, 0x9f000, E820_RAM);
+ e820_add_region(0, 0x9f000, E820_RAM);
/* map from 1M to top of memory */
- add_memory_region(1 * 1024 * 1024, tom - 1 * 1024 * 1024,
+ e820_add_region(1 * 1024 * 1024, tom - 1 * 1024 * 1024,
E820_RAM);
/* FIXME: Should check the ASICs to see if I need to
* take out the 8M window. Just do it at the moment
* */
- add_memory_region(8 * 1024 * 1024, 8 * 1024 * 1024,
+ e820_add_region(8 * 1024 * 1024, 8 * 1024 * 1024,
E820_RESERVED);
return who;
}
- who = "BIOS-e820";
-
- /*
- * Try to copy the BIOS-supplied E820-map.
- *
- * Otherwise fake a memory map; one section from 0k->640k,
- * the next section from 1mb->appropriate_mem_k
- */
- sanitize_e820_map(boot_params.e820_map, &boot_params.e820_entries);
- if (copy_e820_map(boot_params.e820_map, boot_params.e820_entries)
- < 0) {
- unsigned long mem_size;
-
- /* compare results from other methods and take the greater */
- if (boot_params.alt_mem_k < boot_params.screen_info.ext_mem_k) {
- mem_size = boot_params.screen_info.ext_mem_k;
- who = "BIOS-88";
- } else {
- mem_size = boot_params.alt_mem_k;
- who = "BIOS-e801";
- }
-
- e820.nr_map = 0;
- add_memory_region(0, LOWMEMSIZE(), E820_RAM);
- add_memory_region(HIGH_MEMORY, mem_size << 10, E820_RAM);
- }
- return who;
+ return default_machine_specific_memory_setup();
}
diff --git a/arch/x86/mach-voyager/voyager_smp.c b/arch/x86/mach-voyager/voyager_smp.c
index 8acbf0cdf1a..ee0fba09215 100644
--- a/arch/x86/mach-voyager/voyager_smp.c
+++ b/arch/x86/mach-voyager/voyager_smp.c
@@ -59,11 +59,6 @@ __u32 voyager_quad_processors = 0;
* activity count. Finally exported by i386_ksyms.c */
static int voyager_extended_cpus = 1;
-/* Have we found an SMP box - used by time.c to do the profiling
- interrupt for timeslicing; do not set to 1 until the per CPU timer
- interrupt is active */
-int smp_found_config = 0;
-
/* Used for the invalidate map that's also checked in the spinlock */
static volatile unsigned long smp_invalidate_needed;
@@ -955,94 +950,24 @@ static void smp_stop_cpu_function(void *dummy)
halt();
}
-static DEFINE_SPINLOCK(call_lock);
-
-struct call_data_struct {
- void (*func) (void *info);
- void *info;
- volatile unsigned long started;
- volatile unsigned long finished;
- int wait;
-};
-
-static struct call_data_struct *call_data;
-
/* execute a thread on a new CPU. The function to be called must be
* previously set up. This is used to schedule a function for
* execution on all CPUs - set up the function then broadcast a
* function_interrupt CPI to come here on each CPU */
static void smp_call_function_interrupt(void)
{
- void (*func) (void *info) = call_data->func;
- void *info = call_data->info;
- /* must take copy of wait because call_data may be replaced
- * unless the function is waiting for us to finish */
- int wait = call_data->wait;
- __u8 cpu = smp_processor_id();
-
- /*
- * Notify initiating CPU that I've grabbed the data and am
- * about to execute the function
- */
- mb();
- if (!test_and_clear_bit(cpu, &call_data->started)) {
- /* If the bit wasn't set, this could be a replay */
- printk(KERN_WARNING "VOYAGER SMP: CPU %d received call funtion"
- " with no call pending\n", cpu);
- return;
- }
- /*
- * At this point the info structure may be out of scope unless wait==1
- */
irq_enter();
- (*func) (info);
+ generic_smp_call_function_interrupt();
__get_cpu_var(irq_stat).irq_call_count++;
irq_exit();
- if (wait) {
- mb();
- clear_bit(cpu, &call_data->finished);
- }
}
-static int
-voyager_smp_call_function_mask(cpumask_t cpumask,
- void (*func) (void *info), void *info, int wait)
+static void smp_call_function_single_interrupt(void)
{
- struct call_data_struct data;
- u32 mask = cpus_addr(cpumask)[0];
-
- mask &= ~(1 << smp_processor_id());
-
- if (!mask)
- return 0;
-
- /* Can deadlock when called with interrupts disabled */
- WARN_ON(irqs_disabled());
-
- data.func = func;
- data.info = info;
- data.started = mask;
- data.wait = wait;
- if (wait)
- data.finished = mask;
-
- spin_lock(&call_lock);
- call_data = &data;
- wmb();
- /* Send a message to all other CPUs and wait for them to respond */
- send_CPI(mask, VIC_CALL_FUNCTION_CPI);
-
- /* Wait for response */
- while (data.started)
- barrier();
-
- if (wait)
- while (data.finished)
- barrier();
-
- spin_unlock(&call_lock);
-
- return 0;
+ irq_enter();
+ generic_smp_call_function_single_interrupt();
+ __get_cpu_var(irq_stat).irq_call_count++;
+ irq_exit();
}
/* Sorry about the name. In an APIC based system, the APICs
@@ -1099,6 +1024,12 @@ void smp_qic_call_function_interrupt(struct pt_regs *regs)
smp_call_function_interrupt();
}
+void smp_qic_call_function_single_interrupt(struct pt_regs *regs)
+{
+ ack_QIC_CPI(QIC_CALL_FUNCTION_SINGLE_CPI);
+ smp_call_function_single_interrupt();
+}
+
void smp_vic_cpi_interrupt(struct pt_regs *regs)
{
struct pt_regs *old_regs = set_irq_regs(regs);
@@ -1119,6 +1050,8 @@ void smp_vic_cpi_interrupt(struct pt_regs *regs)
smp_enable_irq_interrupt();
if (test_and_clear_bit(VIC_CALL_FUNCTION_CPI, &vic_cpi_mailbox[cpu]))
smp_call_function_interrupt();
+ if (test_and_clear_bit(VIC_CALL_FUNCTION_SINGLE_CPI, &vic_cpi_mailbox[cpu]))
+ smp_call_function_single_interrupt();
set_irq_regs(old_regs);
}
@@ -1134,16 +1067,7 @@ static void do_flush_tlb_all(void *info)
/* flush the TLB of every active CPU in the system */
void flush_tlb_all(void)
{
- on_each_cpu(do_flush_tlb_all, 0, 1, 1);
-}
-
-/* used to set up the trampoline for other CPUs when the memory manager
- * is sorted out */
-void __init smp_alloc_memory(void)
-{
- trampoline_base = alloc_bootmem_low_pages(PAGE_SIZE);
- if (__pa(trampoline_base) >= 0x93000)
- BUG();
+ on_each_cpu(do_flush_tlb_all, 0, 1);
}
/* send a reschedule CPI to one CPU by physical CPU number*/
@@ -1175,7 +1099,7 @@ int safe_smp_processor_id(void)
/* broadcast a halt to all other CPUs */
static void voyager_smp_send_stop(void)
{
- smp_call_function(smp_stop_cpu_function, NULL, 1, 1);
+ smp_call_function(smp_stop_cpu_function, NULL, 1);
}
/* this function is triggered in time.c when a clock tick fires
@@ -1862,5 +1786,7 @@ struct smp_ops smp_ops = {
.smp_send_stop = voyager_smp_send_stop,
.smp_send_reschedule = voyager_smp_send_reschedule,
- .smp_call_function_mask = voyager_smp_call_function_mask,
+
+ .send_call_func_ipi = native_send_call_func_ipi,
+ .send_call_func_single_ipi = native_send_call_func_single_ipi,
};
diff --git a/arch/x86/math-emu/reg_constant.c b/arch/x86/math-emu/reg_constant.c
index 04869e64b18..00548354912 100644
--- a/arch/x86/math-emu/reg_constant.c
+++ b/arch/x86/math-emu/reg_constant.c
@@ -16,8 +16,8 @@
#include "reg_constant.h"
#include "control_w.h"
-#define MAKE_REG(s,e,l,h) { l, h, \
- ((EXTENDED_Ebias+(e)) | ((SIGN_##s != 0)*0x8000)) }
+#define MAKE_REG(s, e, l, h) { l, h, \
+ ((EXTENDED_Ebias+(e)) | ((SIGN_##s != 0)*0x8000)) }
FPU_REG const CONST_1 = MAKE_REG(POS, 0, 0x00000000, 0x80000000);
#if 0
@@ -40,7 +40,7 @@ FPU_REG const CONST_PI2extra = MAKE_REG(NEG, -66,
FPU_REG const CONST_Z = MAKE_REG(POS, EXP_UNDER, 0x0, 0x0);
/* Only the sign and significand (and tag) are used in internal NaNs */
-/* The 80486 never generates one of these
+/* The 80486 never generates one of these
FPU_REG const CONST_SNAN = MAKE_REG(POS, EXP_OVER, 0x00000001, 0x80000000);
*/
/* This is the real indefinite QNaN */
@@ -49,7 +49,7 @@ FPU_REG const CONST_QNaN = MAKE_REG(NEG, EXP_OVER, 0x00000000, 0xC0000000);
/* Only the sign (and tag) is used in internal infinities */
FPU_REG const CONST_INF = MAKE_REG(POS, EXP_OVER, 0x00000000, 0x80000000);
-static void fld_const(FPU_REG const *c, int adj, u_char tag)
+static void fld_const(FPU_REG const * c, int adj, u_char tag)
{
FPU_REG *st_new_ptr;
diff --git a/arch/x86/mm/Makefile b/arch/x86/mm/Makefile
index b7b3e4c7cfc..9873716e9f7 100644
--- a/arch/x86/mm/Makefile
+++ b/arch/x86/mm/Makefile
@@ -8,10 +8,16 @@ obj-$(CONFIG_X86_PTDUMP) += dump_pagetables.o
obj-$(CONFIG_HIGHMEM) += highmem_32.o
+obj-$(CONFIG_MMIOTRACE_HOOKS) += kmmio.o
+obj-$(CONFIG_MMIOTRACE) += mmiotrace.o
+mmiotrace-y := pf_in.o mmio-mod.o
+obj-$(CONFIG_MMIOTRACE_TEST) += testmmiotrace.o
+
ifeq ($(CONFIG_X86_32),y)
obj-$(CONFIG_NUMA) += discontig_32.o
else
obj-$(CONFIG_NUMA) += numa_64.o
obj-$(CONFIG_K8_NUMA) += k8topology_64.o
-obj-$(CONFIG_ACPI_NUMA) += srat_64.o
endif
+obj-$(CONFIG_ACPI_NUMA) += srat_$(BITS).o
+
diff --git a/arch/x86/mm/discontig_32.c b/arch/x86/mm/discontig_32.c
index 914ccf98368..5dfef9fa061 100644
--- a/arch/x86/mm/discontig_32.c
+++ b/arch/x86/mm/discontig_32.c
@@ -38,6 +38,7 @@
#include <asm/setup.h>
#include <asm/mmzone.h>
#include <asm/bios_ebda.h>
+#include <asm/proto.h>
struct pglist_data *node_data[MAX_NUMNODES] __read_mostly;
EXPORT_SYMBOL(node_data);
@@ -59,14 +60,14 @@ unsigned long node_end_pfn[MAX_NUMNODES] __read_mostly;
/*
* 4) physnode_map - the mapping between a pfn and owning node
* physnode_map keeps track of the physical memory layout of a generic
- * numa node on a 256Mb break (each element of the array will
- * represent 256Mb of memory and will be marked by the node id. so,
+ * numa node on a 64Mb break (each element of the array will
+ * represent 64Mb of memory and will be marked by the node id. so,
* if the first gig is on node 0, and the second gig is on node 1
* physnode_map will contain:
*
- * physnode_map[0-3] = 0;
- * physnode_map[4-7] = 1;
- * physnode_map[8- ] = -1;
+ * physnode_map[0-15] = 0;
+ * physnode_map[16-31] = 1;
+ * physnode_map[32- ] = -1;
*/
s8 physnode_map[MAX_ELEMENTS] __read_mostly = { [0 ... (MAX_ELEMENTS - 1)] = -1};
EXPORT_SYMBOL(physnode_map);
@@ -75,15 +76,15 @@ void memory_present(int nid, unsigned long start, unsigned long end)
{
unsigned long pfn;
- printk(KERN_INFO "Node: %d, start_pfn: %ld, end_pfn: %ld\n",
+ printk(KERN_INFO "Node: %d, start_pfn: %lx, end_pfn: %lx\n",
nid, start, end);
printk(KERN_DEBUG " Setting physnode_map array to node %d for pfns:\n", nid);
printk(KERN_DEBUG " ");
for (pfn = start; pfn < end; pfn += PAGES_PER_ELEMENT) {
physnode_map[pfn / PAGES_PER_ELEMENT] = nid;
- printk("%ld ", pfn);
+ printk(KERN_CONT "%lx ", pfn);
}
- printk("\n");
+ printk(KERN_CONT "\n");
}
unsigned long node_memmap_size_bytes(int nid, unsigned long start_pfn,
@@ -99,7 +100,6 @@ unsigned long node_memmap_size_bytes(int nid, unsigned long start_pfn,
#endif
extern unsigned long find_max_low_pfn(void);
-extern void add_one_highpage_init(struct page *, int, int);
extern unsigned long highend_pfn, highstart_pfn;
#define LARGE_PAGE_BYTES (PTRS_PER_PTE * PAGE_SIZE)
@@ -117,13 +117,13 @@ static unsigned long kva_pages;
*/
int __init get_memcfg_numa_flat(void)
{
- printk("NUMA - single node, flat memory mode\n");
+ printk(KERN_DEBUG "NUMA - single node, flat memory mode\n");
- /* Run the memory configuration and find the top of memory. */
- propagate_e820_map();
node_start_pfn[0] = 0;
node_end_pfn[0] = max_pfn;
+ e820_register_active_regions(0, 0, max_pfn);
memory_present(0, 0, max_pfn);
+ node_remap_size[0] = node_memmap_size_bytes(0, 0, max_pfn);
/* Indicate there is one node available. */
nodes_clear(node_online_map);
@@ -156,24 +156,32 @@ static void __init propagate_e820_map_node(int nid)
*/
static void __init allocate_pgdat(int nid)
{
- if (nid && node_has_online_mem(nid))
+ char buf[16];
+
+ if (node_has_online_mem(nid) && node_remap_start_vaddr[nid])
NODE_DATA(nid) = (pg_data_t *)node_remap_start_vaddr[nid];
else {
- NODE_DATA(nid) = (pg_data_t *)(pfn_to_kaddr(min_low_pfn));
- min_low_pfn += PFN_UP(sizeof(pg_data_t));
+ unsigned long pgdat_phys;
+ pgdat_phys = find_e820_area(min_low_pfn<<PAGE_SHIFT,
+ max_pfn_mapped<<PAGE_SHIFT,
+ sizeof(pg_data_t),
+ PAGE_SIZE);
+ NODE_DATA(nid) = (pg_data_t *)(pfn_to_kaddr(pgdat_phys>>PAGE_SHIFT));
+ memset(buf, 0, sizeof(buf));
+ sprintf(buf, "NODE_DATA %d", nid);
+ reserve_early(pgdat_phys, pgdat_phys + sizeof(pg_data_t), buf);
}
+ printk(KERN_DEBUG "allocate_pgdat: node %d NODE_DATA %08lx\n",
+ nid, (unsigned long)NODE_DATA(nid));
}
-#ifdef CONFIG_DISCONTIGMEM
/*
- * In the discontig memory model, a portion of the kernel virtual area (KVA)
- * is reserved and portions of nodes are mapped using it. This is to allow
- * node-local memory to be allocated for structures that would normally require
- * ZONE_NORMAL. The memory is allocated with alloc_remap() and callers
- * should be prepared to allocate from the bootmem allocator instead. This KVA
- * mechanism is incompatible with SPARSEMEM as it makes assumptions about the
- * layout of memory that are broken if alloc_remap() succeeds for some of the
- * map and fails for others
+ * In the DISCONTIGMEM and SPARSEMEM memory model, a portion of the kernel
+ * virtual address space (KVA) is reserved and portions of nodes are mapped
+ * using it. This is to allow node-local memory to be allocated for
+ * structures that would normally require ZONE_NORMAL. The memory is
+ * allocated with alloc_remap() and callers should be prepared to allocate
+ * from the bootmem allocator instead.
*/
static unsigned long node_remap_start_pfn[MAX_NUMNODES];
static void *node_remap_end_vaddr[MAX_NUMNODES];
@@ -195,15 +203,19 @@ void *alloc_remap(int nid, unsigned long size)
return allocation;
}
-void __init remap_numa_kva(void)
+static void __init remap_numa_kva(void)
{
void *vaddr;
unsigned long pfn;
int node;
for_each_online_node(node) {
+ printk(KERN_DEBUG "remap_numa_kva: node %d\n", node);
for (pfn=0; pfn < node_remap_size[node]; pfn += PTRS_PER_PTE) {
vaddr = node_remap_start_vaddr[node]+(pfn<<PAGE_SHIFT);
+ printk(KERN_DEBUG "remap_numa_kva: %08lx to pfn %08lx\n",
+ (unsigned long)vaddr,
+ node_remap_start_pfn[node] + pfn);
set_pmd_pfn((ulong) vaddr,
node_remap_start_pfn[node] + pfn,
PAGE_KERNEL_LARGE);
@@ -215,17 +227,21 @@ static unsigned long calculate_numa_remap_pages(void)
{
int nid;
unsigned long size, reserve_pages = 0;
- unsigned long pfn;
for_each_online_node(nid) {
- unsigned old_end_pfn = node_end_pfn[nid];
+ u64 node_kva_target;
+ u64 node_kva_final;
/*
* The acpi/srat node info can show hot-add memroy zones
* where memory could be added but not currently present.
*/
+ printk(KERN_DEBUG "node %d pfn: [%lx - %lx]\n",
+ nid, node_start_pfn[nid], node_end_pfn[nid]);
if (node_start_pfn[nid] > max_pfn)
continue;
+ if (!node_end_pfn[nid])
+ continue;
if (node_end_pfn[nid] > max_pfn)
node_end_pfn[nid] = max_pfn;
@@ -237,41 +253,48 @@ static unsigned long calculate_numa_remap_pages(void)
/* now the roundup is correct, convert to PAGE_SIZE pages */
size = size * PTRS_PER_PTE;
- /*
- * Validate the region we are allocating only contains valid
- * pages.
- */
- for (pfn = node_end_pfn[nid] - size;
- pfn < node_end_pfn[nid]; pfn++)
- if (!page_is_ram(pfn))
- break;
-
- if (pfn != node_end_pfn[nid])
- size = 0;
+ node_kva_target = round_down(node_end_pfn[nid] - size,
+ PTRS_PER_PTE);
+ node_kva_target <<= PAGE_SHIFT;
+ do {
+ node_kva_final = find_e820_area(node_kva_target,
+ ((u64)node_end_pfn[nid])<<PAGE_SHIFT,
+ ((u64)size)<<PAGE_SHIFT,
+ LARGE_PAGE_BYTES);
+ node_kva_target -= LARGE_PAGE_BYTES;
+ } while (node_kva_final == -1ULL &&
+ (node_kva_target>>PAGE_SHIFT) > (node_start_pfn[nid]));
+
+ if (node_kva_final == -1ULL)
+ panic("Can not get kva ram\n");
- printk("Reserving %ld pages of KVA for lmem_map of node %d\n",
- size, nid);
node_remap_size[nid] = size;
node_remap_offset[nid] = reserve_pages;
reserve_pages += size;
- printk("Shrinking node %d from %ld pages to %ld pages\n",
- nid, node_end_pfn[nid], node_end_pfn[nid] - size);
-
- if (node_end_pfn[nid] & (PTRS_PER_PTE-1)) {
- /*
- * Align node_end_pfn[] and node_remap_start_pfn[] to
- * pmd boundary. remap_numa_kva will barf otherwise.
- */
- printk("Shrinking node %d further by %ld pages for proper alignment\n",
- nid, node_end_pfn[nid] & (PTRS_PER_PTE-1));
- size += node_end_pfn[nid] & (PTRS_PER_PTE-1);
- }
+ printk(KERN_DEBUG "Reserving %ld pages of KVA for lmem_map of"
+ " node %d at %llx\n",
+ size, nid, node_kva_final>>PAGE_SHIFT);
+
+ /*
+ * prevent kva address below max_low_pfn want it on system
+ * with less memory later.
+ * layout will be: KVA address , KVA RAM
+ *
+ * we are supposed to only record the one less then max_low_pfn
+ * but we could have some hole in high memory, and it will only
+ * check page_is_ram(pfn) && !page_is_reserved_early(pfn) to decide
+ * to use it as free.
+ * So reserve_early here, hope we don't run out of that array
+ */
+ reserve_early(node_kva_final,
+ node_kva_final+(((u64)size)<<PAGE_SHIFT),
+ "KVA RAM");
- node_end_pfn[nid] -= size;
- node_remap_start_pfn[nid] = node_end_pfn[nid];
- shrink_active_range(nid, old_end_pfn, node_end_pfn[nid]);
+ node_remap_start_pfn[nid] = node_kva_final>>PAGE_SHIFT;
+ remove_active_range(nid, node_remap_start_pfn[nid],
+ node_remap_start_pfn[nid] + size);
}
- printk("Reserving total of %ld pages for numa KVA remap\n",
+ printk(KERN_INFO "Reserving total of %lx pages for numa KVA remap\n",
reserve_pages);
return reserve_pages;
}
@@ -285,37 +308,16 @@ static void init_remap_allocator(int nid)
node_remap_alloc_vaddr[nid] = node_remap_start_vaddr[nid] +
ALIGN(sizeof(pg_data_t), PAGE_SIZE);
- printk ("node %d will remap to vaddr %08lx - %08lx\n", nid,
+ printk(KERN_DEBUG "node %d will remap to vaddr %08lx - %08lx\n", nid,
(ulong) node_remap_start_vaddr[nid],
- (ulong) pfn_to_kaddr(highstart_pfn
- + node_remap_offset[nid] + node_remap_size[nid]));
-}
-#else
-void *alloc_remap(int nid, unsigned long size)
-{
- return NULL;
-}
-
-static unsigned long calculate_numa_remap_pages(void)
-{
- return 0;
-}
-
-static void init_remap_allocator(int nid)
-{
-}
-
-void __init remap_numa_kva(void)
-{
+ (ulong) node_remap_end_vaddr[nid]);
}
-#endif /* CONFIG_DISCONTIGMEM */
-extern void setup_bootmem_allocator(void);
-unsigned long __init setup_memory(void)
+void __init initmem_init(unsigned long start_pfn,
+ unsigned long end_pfn)
{
int nid;
- unsigned long system_start_pfn, system_max_low_pfn;
- unsigned long wasted_pages;
+ long kva_target_pfn;
/*
* When mapping a NUMA machine we allocate the node_mem_map arrays
@@ -324,109 +326,77 @@ unsigned long __init setup_memory(void)
* this space and use it to adjust the boundary between ZONE_NORMAL
* and ZONE_HIGHMEM.
*/
- get_memcfg_numa();
- kva_pages = calculate_numa_remap_pages();
+ get_memcfg_numa();
- /* partially used pages are not usable - thus round upwards */
- system_start_pfn = min_low_pfn = PFN_UP(init_pg_tables_end);
+ kva_pages = round_up(calculate_numa_remap_pages(), PTRS_PER_PTE);
- kva_start_pfn = find_max_low_pfn() - kva_pages;
+ kva_target_pfn = round_down(max_low_pfn - kva_pages, PTRS_PER_PTE);
+ do {
+ kva_start_pfn = find_e820_area(kva_target_pfn<<PAGE_SHIFT,
+ max_low_pfn<<PAGE_SHIFT,
+ kva_pages<<PAGE_SHIFT,
+ PTRS_PER_PTE<<PAGE_SHIFT) >> PAGE_SHIFT;
+ kva_target_pfn -= PTRS_PER_PTE;
+ } while (kva_start_pfn == -1UL && kva_target_pfn > min_low_pfn);
-#ifdef CONFIG_BLK_DEV_INITRD
- /* Numa kva area is below the initrd */
- if (initrd_start)
- kva_start_pfn = PFN_DOWN(initrd_start - PAGE_OFFSET)
- - kva_pages;
-#endif
+ if (kva_start_pfn == -1UL)
+ panic("Can not get kva space\n");
- /*
- * We waste pages past at the end of the KVA for no good reason other
- * than how it is located. This is bad.
- */
- wasted_pages = kva_start_pfn & (PTRS_PER_PTE-1);
- kva_start_pfn -= wasted_pages;
- kva_pages += wasted_pages;
-
- system_max_low_pfn = max_low_pfn = find_max_low_pfn();
- printk("kva_start_pfn ~ %ld find_max_low_pfn() ~ %ld\n",
+ printk(KERN_INFO "kva_start_pfn ~ %lx max_low_pfn ~ %lx\n",
kva_start_pfn, max_low_pfn);
- printk("max_pfn = %ld\n", max_pfn);
+ printk(KERN_INFO "max_pfn = %lx\n", max_pfn);
+
+ /* avoid clash with initrd */
+ reserve_early(kva_start_pfn<<PAGE_SHIFT,
+ (kva_start_pfn + kva_pages)<<PAGE_SHIFT,
+ "KVA PG");
#ifdef CONFIG_HIGHMEM
highstart_pfn = highend_pfn = max_pfn;
- if (max_pfn > system_max_low_pfn)
- highstart_pfn = system_max_low_pfn;
+ if (max_pfn > max_low_pfn)
+ highstart_pfn = max_low_pfn;
printk(KERN_NOTICE "%ldMB HIGHMEM available.\n",
pages_to_mb(highend_pfn - highstart_pfn));
num_physpages = highend_pfn;
high_memory = (void *) __va(highstart_pfn * PAGE_SIZE - 1) + 1;
#else
- num_physpages = system_max_low_pfn;
- high_memory = (void *) __va(system_max_low_pfn * PAGE_SIZE - 1) + 1;
+ num_physpages = max_low_pfn;
+ high_memory = (void *) __va(max_low_pfn * PAGE_SIZE - 1) + 1;
#endif
printk(KERN_NOTICE "%ldMB LOWMEM available.\n",
- pages_to_mb(system_max_low_pfn));
- printk("min_low_pfn = %ld, max_low_pfn = %ld, highstart_pfn = %ld\n",
- min_low_pfn, max_low_pfn, highstart_pfn);
+ pages_to_mb(max_low_pfn));
+ printk(KERN_DEBUG "max_low_pfn = %lx, highstart_pfn = %lx\n",
+ max_low_pfn, highstart_pfn);
- printk("Low memory ends at vaddr %08lx\n",
+ printk(KERN_DEBUG "Low memory ends at vaddr %08lx\n",
(ulong) pfn_to_kaddr(max_low_pfn));
for_each_online_node(nid) {
init_remap_allocator(nid);
allocate_pgdat(nid);
}
- printk("High memory starts at vaddr %08lx\n",
+ remap_numa_kva();
+
+ printk(KERN_DEBUG "High memory starts at vaddr %08lx\n",
(ulong) pfn_to_kaddr(highstart_pfn));
for_each_online_node(nid)
propagate_e820_map_node(nid);
- memset(NODE_DATA(0), 0, sizeof(struct pglist_data));
+ for_each_online_node(nid)
+ memset(NODE_DATA(nid), 0, sizeof(struct pglist_data));
+
NODE_DATA(0)->bdata = &node0_bdata;
setup_bootmem_allocator();
- return max_low_pfn;
-}
-
-void __init numa_kva_reserve(void)
-{
- if (kva_pages)
- reserve_bootmem(PFN_PHYS(kva_start_pfn), PFN_PHYS(kva_pages),
- BOOTMEM_DEFAULT);
}
-void __init zone_sizes_init(void)
-{
- int nid;
- unsigned long max_zone_pfns[MAX_NR_ZONES];
- memset(max_zone_pfns, 0, sizeof(max_zone_pfns));
- max_zone_pfns[ZONE_DMA] =
- virt_to_phys((char *)MAX_DMA_ADDRESS) >> PAGE_SHIFT;
- max_zone_pfns[ZONE_NORMAL] = max_low_pfn;
-#ifdef CONFIG_HIGHMEM
- max_zone_pfns[ZONE_HIGHMEM] = highend_pfn;
-#endif
-
- /* If SRAT has not registered memory, register it now */
- if (find_max_pfn_with_active_regions() == 0) {
- for_each_online_node(nid) {
- if (node_has_online_mem(nid))
- add_active_range(nid, node_start_pfn[nid],
- node_end_pfn[nid]);
- }
- }
-
- free_area_init_nodes(max_zone_pfns);
- return;
-}
-
-void __init set_highmem_pages_init(int bad_ppro)
+void __init set_highmem_pages_init(void)
{
#ifdef CONFIG_HIGHMEM
struct zone *zone;
- struct page *page;
+ int nid;
for_each_zone(zone) {
- unsigned long node_pfn, zone_start_pfn, zone_end_pfn;
+ unsigned long zone_start_pfn, zone_end_pfn;
if (!is_highmem(zone))
continue;
@@ -434,16 +404,12 @@ void __init set_highmem_pages_init(int bad_ppro)
zone_start_pfn = zone->zone_start_pfn;
zone_end_pfn = zone_start_pfn + zone->spanned_pages;
- printk("Initializing %s for node %d (%08lx:%08lx)\n",
- zone->name, zone_to_nid(zone),
- zone_start_pfn, zone_end_pfn);
+ nid = zone_to_nid(zone);
+ printk(KERN_INFO "Initializing %s for node %d (%08lx:%08lx)\n",
+ zone->name, nid, zone_start_pfn, zone_end_pfn);
- for (node_pfn = zone_start_pfn; node_pfn < zone_end_pfn; node_pfn++) {
- if (!pfn_valid(node_pfn))
- continue;
- page = pfn_to_page(node_pfn);
- add_one_highpage_init(page, node_pfn, bad_ppro);
- }
+ add_highpages_with_active_regions(nid, zone_start_pfn,
+ zone_end_pfn);
}
totalram_pages += totalhigh_pages;
#endif
@@ -476,3 +442,4 @@ int memory_add_physaddr_to_nid(u64 addr)
EXPORT_SYMBOL_GPL(memory_add_physaddr_to_nid);
#endif
+
diff --git a/arch/x86/mm/dump_pagetables.c b/arch/x86/mm/dump_pagetables.c
index 2c24bea92c6..0bb0caed897 100644
--- a/arch/x86/mm/dump_pagetables.c
+++ b/arch/x86/mm/dump_pagetables.c
@@ -42,7 +42,7 @@ static struct addr_marker address_markers[] = {
{ 0, "User Space" },
#ifdef CONFIG_X86_64
{ 0x8000000000000000UL, "Kernel Space" },
- { 0xffff810000000000UL, "Low Kernel Mapping" },
+ { PAGE_OFFSET, "Low Kernel Mapping" },
{ VMALLOC_START, "vmalloc() Area" },
{ VMEMMAP_START, "Vmemmap" },
{ __START_KERNEL_map, "High Kernel Mapping" },
diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
index 8bcb6f40ccb..455f3fe67b4 100644
--- a/arch/x86/mm/fault.c
+++ b/arch/x86/mm/fault.c
@@ -10,6 +10,7 @@
#include <linux/string.h>
#include <linux/types.h>
#include <linux/ptrace.h>
+#include <linux/mmiotrace.h>
#include <linux/mman.h>
#include <linux/mm.h>
#include <linux/smp.h>
@@ -49,17 +50,23 @@
#define PF_RSVD (1<<3)
#define PF_INSTR (1<<4)
+static inline int kmmio_fault(struct pt_regs *regs, unsigned long addr)
+{
+#ifdef CONFIG_MMIOTRACE_HOOKS
+ if (unlikely(is_kmmio_active()))
+ if (kmmio_handler(regs, addr) == 1)
+ return -1;
+#endif
+ return 0;
+}
+
static inline int notify_page_fault(struct pt_regs *regs)
{
#ifdef CONFIG_KPROBES
int ret = 0;
/* kprobe_running() needs smp_processor_id() */
-#ifdef CONFIG_X86_32
if (!user_mode_vm(regs)) {
-#else
- if (!user_mode(regs)) {
-#endif
preempt_disable();
if (kprobe_running() && kprobe_fault_handler(regs, 14))
ret = 1;
@@ -396,11 +403,7 @@ static void show_fault_oops(struct pt_regs *regs, unsigned long error_code,
printk(KERN_CONT "NULL pointer dereference");
else
printk(KERN_CONT "paging request");
-#ifdef CONFIG_X86_32
- printk(KERN_CONT " at %08lx\n", address);
-#else
- printk(KERN_CONT " at %016lx\n", address);
-#endif
+ printk(KERN_CONT " at %p\n", (void *) address);
printk(KERN_ALERT "IP:");
printk_address(regs->ip, 1);
dump_pagetable(address);
@@ -606,6 +609,8 @@ void __kprobes do_page_fault(struct pt_regs *regs, unsigned long error_code)
if (notify_page_fault(regs))
return;
+ if (unlikely(kmmio_fault(regs, address)))
+ return;
/*
* We fault-in kernel-space virtual memory on-demand. The
@@ -800,14 +805,10 @@ bad_area_nosemaphore:
if (show_unhandled_signals && unhandled_signal(tsk, SIGSEGV) &&
printk_ratelimit()) {
printk(
-#ifdef CONFIG_X86_32
- "%s%s[%d]: segfault at %lx ip %08lx sp %08lx error %lx",
-#else
- "%s%s[%d]: segfault at %lx ip %lx sp %lx error %lx",
-#endif
+ "%s%s[%d]: segfault at %lx ip %p sp %p error %lx",
task_pid_nr(tsk) > 1 ? KERN_INFO : KERN_EMERG,
- tsk->comm, task_pid_nr(tsk), address, regs->ip,
- regs->sp, error_code);
+ tsk->comm, task_pid_nr(tsk), address,
+ (void *) regs->ip, (void *) regs->sp, error_code);
print_vma_addr(" in ", regs->ip);
printk("\n");
}
@@ -915,14 +916,7 @@ LIST_HEAD(pgd_list);
void vmalloc_sync_all(void)
{
#ifdef CONFIG_X86_32
- /*
- * Note that races in the updates of insync and start aren't
- * problematic: insync can only get set bits added, and updates to
- * start are only improving performance (without affecting correctness
- * if undone).
- */
- static DECLARE_BITMAP(insync, PTRS_PER_PGD);
- static unsigned long start = TASK_SIZE;
+ unsigned long start = VMALLOC_START & PGDIR_MASK;
unsigned long address;
if (SHARED_KERNEL_PMD)
@@ -930,56 +924,38 @@ void vmalloc_sync_all(void)
BUILD_BUG_ON(TASK_SIZE & ~PGDIR_MASK);
for (address = start; address >= TASK_SIZE; address += PGDIR_SIZE) {
- if (!test_bit(pgd_index(address), insync)) {
- unsigned long flags;
- struct page *page;
-
- spin_lock_irqsave(&pgd_lock, flags);
- list_for_each_entry(page, &pgd_list, lru) {
- if (!vmalloc_sync_one(page_address(page),
- address))
- break;
- }
- spin_unlock_irqrestore(&pgd_lock, flags);
- if (!page)
- set_bit(pgd_index(address), insync);
+ unsigned long flags;
+ struct page *page;
+
+ spin_lock_irqsave(&pgd_lock, flags);
+ list_for_each_entry(page, &pgd_list, lru) {
+ if (!vmalloc_sync_one(page_address(page),
+ address))
+ break;
}
- if (address == start && test_bit(pgd_index(address), insync))
- start = address + PGDIR_SIZE;
+ spin_unlock_irqrestore(&pgd_lock, flags);
}
#else /* CONFIG_X86_64 */
- /*
- * Note that races in the updates of insync and start aren't
- * problematic: insync can only get set bits added, and updates to
- * start are only improving performance (without affecting correctness
- * if undone).
- */
- static DECLARE_BITMAP(insync, PTRS_PER_PGD);
- static unsigned long start = VMALLOC_START & PGDIR_MASK;
+ unsigned long start = VMALLOC_START & PGDIR_MASK;
unsigned long address;
for (address = start; address <= VMALLOC_END; address += PGDIR_SIZE) {
- if (!test_bit(pgd_index(address), insync)) {
- const pgd_t *pgd_ref = pgd_offset_k(address);
- unsigned long flags;
- struct page *page;
-
- if (pgd_none(*pgd_ref))
- continue;
- spin_lock_irqsave(&pgd_lock, flags);
- list_for_each_entry(page, &pgd_list, lru) {
- pgd_t *pgd;
- pgd = (pgd_t *)page_address(page) + pgd_index(address);
- if (pgd_none(*pgd))
- set_pgd(pgd, *pgd_ref);
- else
- BUG_ON(pgd_page_vaddr(*pgd) != pgd_page_vaddr(*pgd_ref));
- }
- spin_unlock_irqrestore(&pgd_lock, flags);
- set_bit(pgd_index(address), insync);
+ const pgd_t *pgd_ref = pgd_offset_k(address);
+ unsigned long flags;
+ struct page *page;
+
+ if (pgd_none(*pgd_ref))
+ continue;
+ spin_lock_irqsave(&pgd_lock, flags);
+ list_for_each_entry(page, &pgd_list, lru) {
+ pgd_t *pgd;
+ pgd = (pgd_t *)page_address(page) + pgd_index(address);
+ if (pgd_none(*pgd))
+ set_pgd(pgd, *pgd_ref);
+ else
+ BUG_ON(pgd_page_vaddr(*pgd) != pgd_page_vaddr(*pgd_ref));
}
- if (address == start)
- start = address + PGDIR_SIZE;
+ spin_unlock_irqrestore(&pgd_lock, flags);
}
#endif
}
diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index ec30d10154b..9689a5138e6 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -50,6 +50,7 @@
unsigned int __VMALLOC_RESERVE = 128 << 20;
+unsigned long max_low_pfn_mapped;
unsigned long max_pfn_mapped;
DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
@@ -57,6 +58,27 @@ unsigned long highstart_pfn, highend_pfn;
static noinline int do_test_wp_bit(void);
+
+static unsigned long __initdata table_start;
+static unsigned long __meminitdata table_end;
+static unsigned long __meminitdata table_top;
+
+static int __initdata after_init_bootmem;
+
+static __init void *alloc_low_page(unsigned long *phys)
+{
+ unsigned long pfn = table_end++;
+ void *adr;
+
+ if (pfn >= table_top)
+ panic("alloc_low_page: ran out of memory");
+
+ adr = __va(pfn * PAGE_SIZE);
+ memset(adr, 0, PAGE_SIZE);
+ *phys = pfn * PAGE_SIZE;
+ return adr;
+}
+
/*
* Creates a middle page table and puts a pointer to it in the
* given global directory entry. This only returns the gd entry
@@ -68,9 +90,12 @@ static pmd_t * __init one_md_table_init(pgd_t *pgd)
pmd_t *pmd_table;
#ifdef CONFIG_X86_PAE
+ unsigned long phys;
if (!(pgd_val(*pgd) & _PAGE_PRESENT)) {
- pmd_table = (pmd_t *) alloc_bootmem_low_pages(PAGE_SIZE);
-
+ if (after_init_bootmem)
+ pmd_table = (pmd_t *)alloc_bootmem_low_pages(PAGE_SIZE);
+ else
+ pmd_table = (pmd_t *)alloc_low_page(&phys);
paravirt_alloc_pmd(&init_mm, __pa(pmd_table) >> PAGE_SHIFT);
set_pgd(pgd, __pgd(__pa(pmd_table) | _PAGE_PRESENT));
pud = pud_offset(pgd, 0);
@@ -92,12 +117,16 @@ static pte_t * __init one_page_table_init(pmd_t *pmd)
if (!(pmd_val(*pmd) & _PAGE_PRESENT)) {
pte_t *page_table = NULL;
+ if (after_init_bootmem) {
#ifdef CONFIG_DEBUG_PAGEALLOC
- page_table = (pte_t *) alloc_bootmem_pages(PAGE_SIZE);
+ page_table = (pte_t *) alloc_bootmem_pages(PAGE_SIZE);
#endif
- if (!page_table) {
- page_table =
+ if (!page_table)
+ page_table =
(pte_t *)alloc_bootmem_low_pages(PAGE_SIZE);
+ } else {
+ unsigned long phys;
+ page_table = (pte_t *)alloc_low_page(&phys);
}
paravirt_alloc_pte(&init_mm, __pa(page_table) >> PAGE_SHIFT);
@@ -155,38 +184,44 @@ static inline int is_kernel_text(unsigned long addr)
* of max_low_pfn pages, by creating page tables starting from address
* PAGE_OFFSET:
*/
-static void __init kernel_physical_mapping_init(pgd_t *pgd_base)
+static void __init kernel_physical_mapping_init(pgd_t *pgd_base,
+ unsigned long start_pfn,
+ unsigned long end_pfn,
+ int use_pse)
{
int pgd_idx, pmd_idx, pte_ofs;
unsigned long pfn;
pgd_t *pgd;
pmd_t *pmd;
pte_t *pte;
+ unsigned pages_2m = 0, pages_4k = 0;
- pgd_idx = pgd_index(PAGE_OFFSET);
- pgd = pgd_base + pgd_idx;
- pfn = 0;
+ if (!cpu_has_pse)
+ use_pse = 0;
+ pfn = start_pfn;
+ pgd_idx = pgd_index((pfn<<PAGE_SHIFT) + PAGE_OFFSET);
+ pgd = pgd_base + pgd_idx;
for (; pgd_idx < PTRS_PER_PGD; pgd++, pgd_idx++) {
pmd = one_md_table_init(pgd);
- if (pfn >= max_low_pfn)
- continue;
- for (pmd_idx = 0;
- pmd_idx < PTRS_PER_PMD && pfn < max_low_pfn;
+ if (pfn >= end_pfn)
+ continue;
+#ifdef CONFIG_X86_PAE
+ pmd_idx = pmd_index((pfn<<PAGE_SHIFT) + PAGE_OFFSET);
+ pmd += pmd_idx;
+#else
+ pmd_idx = 0;
+#endif
+ for (; pmd_idx < PTRS_PER_PMD && pfn < end_pfn;
pmd++, pmd_idx++) {
unsigned int addr = pfn * PAGE_SIZE + PAGE_OFFSET;
/*
* Map with big pages if possible, otherwise
* create normal page tables:
- *
- * Don't use a large page for the first 2/4MB of memory
- * because there are often fixed size MTRRs in there
- * and overlapping MTRRs into large pages can cause
- * slowdowns.
*/
- if (cpu_has_pse && !(pgd_idx == 0 && pmd_idx == 0)) {
+ if (use_pse) {
unsigned int addr2;
pgprot_t prot = PAGE_KERNEL_LARGE;
@@ -197,34 +232,30 @@ static void __init kernel_physical_mapping_init(pgd_t *pgd_base)
is_kernel_text(addr2))
prot = PAGE_KERNEL_LARGE_EXEC;
+ pages_2m++;
set_pmd(pmd, pfn_pmd(pfn, prot));
pfn += PTRS_PER_PTE;
- max_pfn_mapped = pfn;
continue;
}
pte = one_page_table_init(pmd);
- for (pte_ofs = 0;
- pte_ofs < PTRS_PER_PTE && pfn < max_low_pfn;
+ pte_ofs = pte_index((pfn<<PAGE_SHIFT) + PAGE_OFFSET);
+ pte += pte_ofs;
+ for (; pte_ofs < PTRS_PER_PTE && pfn < end_pfn;
pte++, pfn++, pte_ofs++, addr += PAGE_SIZE) {
pgprot_t prot = PAGE_KERNEL;
if (is_kernel_text(addr))
prot = PAGE_KERNEL_EXEC;
+ pages_4k++;
set_pte(pte, pfn_pte(pfn, prot));
}
- max_pfn_mapped = pfn;
}
}
-}
-
-static inline int page_kills_ppro(unsigned long pagenr)
-{
- if (pagenr >= 0x70000 && pagenr <= 0x7003F)
- return 1;
- return 0;
+ update_page_count(PG_LEVEL_2M, pages_2m);
+ update_page_count(PG_LEVEL_4K, pages_4k);
}
/*
@@ -287,29 +318,62 @@ static void __init permanent_kmaps_init(pgd_t *pgd_base)
pkmap_page_table = pte;
}
-void __init add_one_highpage_init(struct page *page, int pfn, int bad_ppro)
+static void __init add_one_highpage_init(struct page *page, int pfn)
{
- if (page_is_ram(pfn) && !(bad_ppro && page_kills_ppro(pfn))) {
- ClearPageReserved(page);
- init_page_count(page);
- __free_page(page);
- totalhigh_pages++;
- } else
- SetPageReserved(page);
+ ClearPageReserved(page);
+ init_page_count(page);
+ __free_page(page);
+ totalhigh_pages++;
}
-#ifndef CONFIG_NUMA
-static void __init set_highmem_pages_init(int bad_ppro)
+struct add_highpages_data {
+ unsigned long start_pfn;
+ unsigned long end_pfn;
+};
+
+static int __init add_highpages_work_fn(unsigned long start_pfn,
+ unsigned long end_pfn, void *datax)
{
- int pfn;
+ int node_pfn;
+ struct page *page;
+ unsigned long final_start_pfn, final_end_pfn;
+ struct add_highpages_data *data;
- for (pfn = highstart_pfn; pfn < highend_pfn; pfn++) {
- /*
- * Holes under sparsemem might not have no mem_map[]:
- */
- if (pfn_valid(pfn))
- add_one_highpage_init(pfn_to_page(pfn), pfn, bad_ppro);
+ data = (struct add_highpages_data *)datax;
+
+ final_start_pfn = max(start_pfn, data->start_pfn);
+ final_end_pfn = min(end_pfn, data->end_pfn);
+ if (final_start_pfn >= final_end_pfn)
+ return 0;
+
+ for (node_pfn = final_start_pfn; node_pfn < final_end_pfn;
+ node_pfn++) {
+ if (!pfn_valid(node_pfn))
+ continue;
+ page = pfn_to_page(node_pfn);
+ add_one_highpage_init(page, node_pfn);
}
+
+ return 0;
+
+}
+
+void __init add_highpages_with_active_regions(int nid, unsigned long start_pfn,
+ unsigned long end_pfn)
+{
+ struct add_highpages_data data;
+
+ data.start_pfn = start_pfn;
+ data.end_pfn = end_pfn;
+
+ work_with_active_regions(nid, add_highpages_work_fn, &data);
+}
+
+#ifndef CONFIG_NUMA
+static void __init set_highmem_pages_init(void)
+{
+ add_highpages_with_active_regions(0, highstart_pfn, highend_pfn);
+
totalram_pages += totalhigh_pages;
}
#endif /* !CONFIG_NUMA */
@@ -317,14 +381,9 @@ static void __init set_highmem_pages_init(int bad_ppro)
#else
# define kmap_init() do { } while (0)
# define permanent_kmaps_init(pgd_base) do { } while (0)
-# define set_highmem_pages_init(bad_ppro) do { } while (0)
+# define set_highmem_pages_init() do { } while (0)
#endif /* CONFIG_HIGHMEM */
-pteval_t __PAGE_KERNEL = _PAGE_KERNEL;
-EXPORT_SYMBOL(__PAGE_KERNEL);
-
-pteval_t __PAGE_KERNEL_EXEC = _PAGE_KERNEL_EXEC;
-
void __init native_pagetable_setup_start(pgd_t *base)
{
unsigned long pfn, va;
@@ -380,27 +439,10 @@ void __init native_pagetable_setup_done(pgd_t *base)
* be partially populated, and so it avoids stomping on any existing
* mappings.
*/
-static void __init pagetable_init(void)
+static void __init early_ioremap_page_table_range_init(pgd_t *pgd_base)
{
- pgd_t *pgd_base = swapper_pg_dir;
unsigned long vaddr, end;
- paravirt_pagetable_setup_start(pgd_base);
-
- /* Enable PSE if available */
- if (cpu_has_pse)
- set_in_cr4(X86_CR4_PSE);
-
- /* Enable PGE if available */
- if (cpu_has_pge) {
- set_in_cr4(X86_CR4_PGE);
- __PAGE_KERNEL |= _PAGE_GLOBAL;
- __PAGE_KERNEL_EXEC |= _PAGE_GLOBAL;
- }
-
- kernel_physical_mapping_init(pgd_base);
- remap_numa_kva();
-
/*
* Fixed mappings, only the page table structure has to be
* created - mappings will be set by set_fixmap():
@@ -410,6 +452,13 @@ static void __init pagetable_init(void)
end = (FIXADDR_TOP + PMD_SIZE - 1) & PMD_MASK;
page_table_range_init(vaddr, end, pgd_base);
early_ioremap_reset();
+}
+
+static void __init pagetable_init(void)
+{
+ pgd_t *pgd_base = swapper_pg_dir;
+
+ paravirt_pagetable_setup_start(pgd_base);
permanent_kmaps_init(pgd_base);
@@ -456,7 +505,7 @@ void zap_low_mappings(void)
int nx_enabled;
-pteval_t __supported_pte_mask __read_mostly = ~_PAGE_NX;
+pteval_t __supported_pte_mask __read_mostly = ~(_PAGE_NX | _PAGE_GLOBAL);
EXPORT_SYMBOL_GPL(__supported_pte_mask);
#ifdef CONFIG_X86_PAE
@@ -509,27 +558,318 @@ static void __init set_nx(void)
}
#endif
+/* user-defined highmem size */
+static unsigned int highmem_pages = -1;
+
/*
- * paging_init() sets up the page tables - note that the first 8MB are
- * already mapped by head.S.
- *
- * This routines also unmaps the page at virtual kernel address 0, so
- * that we can trap those pesky NULL-reference errors in the kernel.
+ * highmem=size forces highmem to be exactly 'size' bytes.
+ * This works even on boxes that have no highmem otherwise.
+ * This also works to reduce highmem size on bigger boxes.
*/
-void __init paging_init(void)
+static int __init parse_highmem(char *arg)
+{
+ if (!arg)
+ return -EINVAL;
+
+ highmem_pages = memparse(arg, &arg) >> PAGE_SHIFT;
+ return 0;
+}
+early_param("highmem", parse_highmem);
+
+/*
+ * Determine low and high memory ranges:
+ */
+void __init find_low_pfn_range(void)
+{
+ /* it could update max_pfn */
+
+ /* max_low_pfn is 0, we already have early_res support */
+
+ max_low_pfn = max_pfn;
+ if (max_low_pfn > MAXMEM_PFN) {
+ if (highmem_pages == -1)
+ highmem_pages = max_pfn - MAXMEM_PFN;
+ if (highmem_pages + MAXMEM_PFN < max_pfn)
+ max_pfn = MAXMEM_PFN + highmem_pages;
+ if (highmem_pages + MAXMEM_PFN > max_pfn) {
+ printk(KERN_WARNING "only %luMB highmem pages "
+ "available, ignoring highmem size of %uMB.\n",
+ pages_to_mb(max_pfn - MAXMEM_PFN),
+ pages_to_mb(highmem_pages));
+ highmem_pages = 0;
+ }
+ max_low_pfn = MAXMEM_PFN;
+#ifndef CONFIG_HIGHMEM
+ /* Maximum memory usable is what is directly addressable */
+ printk(KERN_WARNING "Warning only %ldMB will be used.\n",
+ MAXMEM>>20);
+ if (max_pfn > MAX_NONPAE_PFN)
+ printk(KERN_WARNING
+ "Use a HIGHMEM64G enabled kernel.\n");
+ else
+ printk(KERN_WARNING "Use a HIGHMEM enabled kernel.\n");
+ max_pfn = MAXMEM_PFN;
+#else /* !CONFIG_HIGHMEM */
+#ifndef CONFIG_HIGHMEM64G
+ if (max_pfn > MAX_NONPAE_PFN) {
+ max_pfn = MAX_NONPAE_PFN;
+ printk(KERN_WARNING "Warning only 4GB will be used."
+ "Use a HIGHMEM64G enabled kernel.\n");
+ }
+#endif /* !CONFIG_HIGHMEM64G */
+#endif /* !CONFIG_HIGHMEM */
+ } else {
+ if (highmem_pages == -1)
+ highmem_pages = 0;
+#ifdef CONFIG_HIGHMEM
+ if (highmem_pages >= max_pfn) {
+ printk(KERN_ERR "highmem size specified (%uMB) is "
+ "bigger than pages available (%luMB)!.\n",
+ pages_to_mb(highmem_pages),
+ pages_to_mb(max_pfn));
+ highmem_pages = 0;
+ }
+ if (highmem_pages) {
+ if (max_low_pfn - highmem_pages <
+ 64*1024*1024/PAGE_SIZE){
+ printk(KERN_ERR "highmem size %uMB results in "
+ "smaller than 64MB lowmem, ignoring it.\n"
+ , pages_to_mb(highmem_pages));
+ highmem_pages = 0;
+ }
+ max_low_pfn -= highmem_pages;
+ }
+#else
+ if (highmem_pages)
+ printk(KERN_ERR "ignoring highmem size on non-highmem"
+ " kernel!\n");
+#endif
+ }
+}
+
+#ifndef CONFIG_NEED_MULTIPLE_NODES
+void __init initmem_init(unsigned long start_pfn,
+ unsigned long end_pfn)
{
+#ifdef CONFIG_HIGHMEM
+ highstart_pfn = highend_pfn = max_pfn;
+ if (max_pfn > max_low_pfn)
+ highstart_pfn = max_low_pfn;
+ memory_present(0, 0, highend_pfn);
+ e820_register_active_regions(0, 0, highend_pfn);
+ printk(KERN_NOTICE "%ldMB HIGHMEM available.\n",
+ pages_to_mb(highend_pfn - highstart_pfn));
+ num_physpages = highend_pfn;
+ high_memory = (void *) __va(highstart_pfn * PAGE_SIZE - 1) + 1;
+#else
+ memory_present(0, 0, max_low_pfn);
+ e820_register_active_regions(0, 0, max_low_pfn);
+ num_physpages = max_low_pfn;
+ high_memory = (void *) __va(max_low_pfn * PAGE_SIZE - 1) + 1;
+#endif
+#ifdef CONFIG_FLATMEM
+ max_mapnr = num_physpages;
+#endif
+ printk(KERN_NOTICE "%ldMB LOWMEM available.\n",
+ pages_to_mb(max_low_pfn));
+
+ setup_bootmem_allocator();
+}
+#endif /* !CONFIG_NEED_MULTIPLE_NODES */
+
+static void __init zone_sizes_init(void)
+{
+ unsigned long max_zone_pfns[MAX_NR_ZONES];
+ memset(max_zone_pfns, 0, sizeof(max_zone_pfns));
+ max_zone_pfns[ZONE_DMA] =
+ virt_to_phys((char *)MAX_DMA_ADDRESS) >> PAGE_SHIFT;
+ max_zone_pfns[ZONE_NORMAL] = max_low_pfn;
+#ifdef CONFIG_HIGHMEM
+ max_zone_pfns[ZONE_HIGHMEM] = highend_pfn;
+#endif
+
+ free_area_init_nodes(max_zone_pfns);
+}
+
+void __init setup_bootmem_allocator(void)
+{
+ int i;
+ unsigned long bootmap_size, bootmap;
+ /*
+ * Initialize the boot-time allocator (with low memory only):
+ */
+ bootmap_size = bootmem_bootmap_pages(max_low_pfn)<<PAGE_SHIFT;
+ bootmap = find_e820_area(min_low_pfn<<PAGE_SHIFT,
+ max_pfn_mapped<<PAGE_SHIFT, bootmap_size,
+ PAGE_SIZE);
+ if (bootmap == -1L)
+ panic("Cannot find bootmem map of size %ld\n", bootmap_size);
+ reserve_early(bootmap, bootmap + bootmap_size, "BOOTMAP");
+
+ /* don't touch min_low_pfn */
+ bootmap_size = init_bootmem_node(NODE_DATA(0), bootmap >> PAGE_SHIFT,
+ min_low_pfn, max_low_pfn);
+ printk(KERN_INFO " mapped low ram: 0 - %08lx\n",
+ max_pfn_mapped<<PAGE_SHIFT);
+ printk(KERN_INFO " low ram: %08lx - %08lx\n",
+ min_low_pfn<<PAGE_SHIFT, max_low_pfn<<PAGE_SHIFT);
+ printk(KERN_INFO " bootmap %08lx - %08lx\n",
+ bootmap, bootmap + bootmap_size);
+ for_each_online_node(i)
+ free_bootmem_with_active_regions(i, max_low_pfn);
+ early_res_to_bootmem(0, max_low_pfn<<PAGE_SHIFT);
+
+ after_init_bootmem = 1;
+}
+
+static void __init find_early_table_space(unsigned long end)
+{
+ unsigned long puds, pmds, ptes, tables, start;
+
+ puds = (end + PUD_SIZE - 1) >> PUD_SHIFT;
+ tables = PAGE_ALIGN(puds * sizeof(pud_t));
+
+ pmds = (end + PMD_SIZE - 1) >> PMD_SHIFT;
+ tables += PAGE_ALIGN(pmds * sizeof(pmd_t));
+
+ if (cpu_has_pse) {
+ unsigned long extra;
+
+ extra = end - ((end>>PMD_SHIFT) << PMD_SHIFT);
+ extra += PMD_SIZE;
+ ptes = (extra + PAGE_SIZE - 1) >> PAGE_SHIFT;
+ } else
+ ptes = (end + PAGE_SIZE - 1) >> PAGE_SHIFT;
+
+ tables += PAGE_ALIGN(ptes * sizeof(pte_t));
+
+ /* for fixmap */
+ tables += PAGE_SIZE * 2;
+
+ /*
+ * RED-PEN putting page tables only on node 0 could
+ * cause a hotspot and fill up ZONE_DMA. The page tables
+ * need roughly 0.5KB per GB.
+ */
+ start = 0x7000;
+ table_start = find_e820_area(start, max_pfn_mapped<<PAGE_SHIFT,
+ tables, PAGE_SIZE);
+ if (table_start == -1UL)
+ panic("Cannot find space for the kernel page tables");
+
+ table_start >>= PAGE_SHIFT;
+ table_end = table_start;
+ table_top = table_start + (tables>>PAGE_SHIFT);
+
+ printk(KERN_DEBUG "kernel direct mapping tables up to %lx @ %lx-%lx\n",
+ end, table_start << PAGE_SHIFT,
+ (table_start << PAGE_SHIFT) + tables);
+}
+
+unsigned long __init_refok init_memory_mapping(unsigned long start,
+ unsigned long end)
+{
+ pgd_t *pgd_base = swapper_pg_dir;
+ unsigned long start_pfn, end_pfn;
+ unsigned long big_page_start;
+
+ /*
+ * Find space for the kernel direct mapping tables.
+ */
+ if (!after_init_bootmem)
+ find_early_table_space(end);
+
#ifdef CONFIG_X86_PAE
set_nx();
if (nx_enabled)
printk(KERN_INFO "NX (Execute Disable) protection: active\n");
#endif
- pagetable_init();
+
+ /* Enable PSE if available */
+ if (cpu_has_pse)
+ set_in_cr4(X86_CR4_PSE);
+
+ /* Enable PGE if available */
+ if (cpu_has_pge) {
+ set_in_cr4(X86_CR4_PGE);
+ __supported_pte_mask |= _PAGE_GLOBAL;
+ }
+
+ /*
+ * Don't use a large page for the first 2/4MB of memory
+ * because there are often fixed size MTRRs in there
+ * and overlapping MTRRs into large pages can cause
+ * slowdowns.
+ */
+ big_page_start = PMD_SIZE;
+
+ if (start < big_page_start) {
+ start_pfn = start >> PAGE_SHIFT;
+ end_pfn = min(big_page_start>>PAGE_SHIFT, end>>PAGE_SHIFT);
+ } else {
+ /* head is not big page alignment ? */
+ start_pfn = start >> PAGE_SHIFT;
+ end_pfn = ((start + (PMD_SIZE - 1))>>PMD_SHIFT)
+ << (PMD_SHIFT - PAGE_SHIFT);
+ }
+ if (start_pfn < end_pfn)
+ kernel_physical_mapping_init(pgd_base, start_pfn, end_pfn, 0);
+
+ /* big page range */
+ start_pfn = ((start + (PMD_SIZE - 1))>>PMD_SHIFT)
+ << (PMD_SHIFT - PAGE_SHIFT);
+ if (start_pfn < (big_page_start >> PAGE_SHIFT))
+ start_pfn = big_page_start >> PAGE_SHIFT;
+ end_pfn = (end>>PMD_SHIFT) << (PMD_SHIFT - PAGE_SHIFT);
+ if (start_pfn < end_pfn)
+ kernel_physical_mapping_init(pgd_base, start_pfn, end_pfn,
+ cpu_has_pse);
+
+ /* tail is not big page alignment ? */
+ start_pfn = end_pfn;
+ if (start_pfn > (big_page_start>>PAGE_SHIFT)) {
+ end_pfn = end >> PAGE_SHIFT;
+ if (start_pfn < end_pfn)
+ kernel_physical_mapping_init(pgd_base, start_pfn,
+ end_pfn, 0);
+ }
+
+ early_ioremap_page_table_range_init(pgd_base);
load_cr3(swapper_pg_dir);
__flush_tlb_all();
+ if (!after_init_bootmem)
+ reserve_early(table_start << PAGE_SHIFT,
+ table_end << PAGE_SHIFT, "PGTABLE");
+
+ return end >> PAGE_SHIFT;
+}
+
+
+/*
+ * paging_init() sets up the page tables - note that the first 8MB are
+ * already mapped by head.S.
+ *
+ * This routines also unmaps the page at virtual kernel address 0, so
+ * that we can trap those pesky NULL-reference errors in the kernel.
+ */
+void __init paging_init(void)
+{
+ pagetable_init();
+
+ __flush_tlb_all();
+
kmap_init();
+
+ /*
+ * NOTE: at this point the bootmem allocator is fully available.
+ */
+ sparse_init();
+ zone_sizes_init();
+
+ paravirt_post_allocator_init();
}
/*
@@ -564,24 +904,11 @@ static struct kcore_list kcore_mem, kcore_vmalloc;
void __init mem_init(void)
{
int codesize, reservedpages, datasize, initsize;
- int tmp, bad_ppro;
+ int tmp;
#ifdef CONFIG_FLATMEM
BUG_ON(!mem_map);
#endif
- bad_ppro = ppro_with_ram_bug();
-
-#ifdef CONFIG_HIGHMEM
- /* check that fixmap and pkmap do not overlap */
- if (PKMAP_BASE + LAST_PKMAP*PAGE_SIZE >= FIXADDR_START) {
- printk(KERN_ERR
- "fixmap and kmap areas overlap - this will crash\n");
- printk(KERN_ERR "pkstart: %lxh pkend: %lxh fixstart %lxh\n",
- PKMAP_BASE, PKMAP_BASE + LAST_PKMAP*PAGE_SIZE,
- FIXADDR_START);
- BUG();
- }
-#endif
/* this will put all low memory onto the freelists */
totalram_pages += free_all_bootmem();
@@ -593,7 +920,7 @@ void __init mem_init(void)
if (page_is_ram(tmp) && PageReserved(pfn_to_page(tmp)))
reservedpages++;
- set_highmem_pages_init(bad_ppro);
+ set_highmem_pages_init();
codesize = (unsigned long) &_etext - (unsigned long) &_text;
datasize = (unsigned long) &_edata - (unsigned long) &_etext;
@@ -614,7 +941,6 @@ void __init mem_init(void)
(unsigned long) (totalhigh_pages << (PAGE_SHIFT-10))
);
-#if 1 /* double-sanity-check paranoia */
printk(KERN_INFO "virtual kernel memory layout:\n"
" fixmap : 0x%08lx - 0x%08lx (%4ld kB)\n"
#ifdef CONFIG_HIGHMEM
@@ -655,7 +981,6 @@ void __init mem_init(void)
#endif
BUG_ON(VMALLOC_START > VMALLOC_END);
BUG_ON((unsigned long)high_memory > VMALLOC_START);
-#endif /* double-sanity-check paranoia */
if (boot_cpu_data.wp_works_ok < 0)
test_wp_bit();
@@ -710,6 +1035,8 @@ void mark_rodata_ro(void)
unsigned long start = PFN_ALIGN(_text);
unsigned long size = PFN_ALIGN(_etext) - start;
+#ifndef CONFIG_DYNAMIC_FTRACE
+ /* Dynamic tracing modifies the kernel text section */
set_pages_ro(virt_to_page(start), size >> PAGE_SHIFT);
printk(KERN_INFO "Write protecting the kernel text: %luk\n",
size >> 10);
@@ -722,6 +1049,8 @@ void mark_rodata_ro(void)
printk(KERN_INFO "Testing CPA: write protecting again\n");
set_pages_ro(virt_to_page(start), size>>PAGE_SHIFT);
#endif
+#endif /* CONFIG_DYNAMIC_FTRACE */
+
start += size;
size = (unsigned long)__end_rodata - start;
set_pages_ro(virt_to_page(start), size >> PAGE_SHIFT);
@@ -784,3 +1113,9 @@ void free_initrd_mem(unsigned long start, unsigned long end)
free_init_pages("initrd memory", start, end);
}
#endif
+
+int __init reserve_bootmem_generic(unsigned long phys, unsigned long len,
+ int flags)
+{
+ return reserve_bootmem(phys, len, flags);
+}
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index 819dad973b1..27de2435e00 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -18,6 +18,7 @@
#include <linux/swap.h>
#include <linux/smp.h>
#include <linux/init.h>
+#include <linux/initrd.h>
#include <linux/pagemap.h>
#include <linux/bootmem.h>
#include <linux/proc_fs.h>
@@ -47,6 +48,14 @@
#include <asm/numa.h>
#include <asm/cacheflush.h>
+/*
+ * end_pfn only includes RAM, while max_pfn_mapped includes all e820 entries.
+ * The direct mapping extends to max_pfn_mapped, so that we can directly access
+ * apertures, ACPI and other tables without having to play with fixmaps.
+ */
+unsigned long max_low_pfn_mapped;
+unsigned long max_pfn_mapped;
+
static unsigned long dma_reserve __initdata;
DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
@@ -135,26 +144,17 @@ static __init void *spp_getpage(void)
return ptr;
}
-static __init void
-set_pte_phys(unsigned long vaddr, unsigned long phys, pgprot_t prot)
+void
+set_pte_vaddr_pud(pud_t *pud_page, unsigned long vaddr, pte_t new_pte)
{
- pgd_t *pgd;
pud_t *pud;
pmd_t *pmd;
- pte_t *pte, new_pte;
-
- pr_debug("set_pte_phys %lx to %lx\n", vaddr, phys);
+ pte_t *pte;
- pgd = pgd_offset_k(vaddr);
- if (pgd_none(*pgd)) {
- printk(KERN_ERR
- "PGD FIXMAP MISSING, it should be setup in head.S!\n");
- return;
- }
- pud = pud_offset(pgd, vaddr);
+ pud = pud_page + pud_index(vaddr);
if (pud_none(*pud)) {
pmd = (pmd_t *) spp_getpage();
- set_pud(pud, __pud(__pa(pmd) | _KERNPG_TABLE | _PAGE_USER));
+ pud_populate(&init_mm, pud, pmd);
if (pmd != pmd_offset(pud, 0)) {
printk(KERN_ERR "PAGETABLE BUG #01! %p <-> %p\n",
pmd, pmd_offset(pud, 0));
@@ -164,13 +164,12 @@ set_pte_phys(unsigned long vaddr, unsigned long phys, pgprot_t prot)
pmd = pmd_offset(pud, vaddr);
if (pmd_none(*pmd)) {
pte = (pte_t *) spp_getpage();
- set_pmd(pmd, __pmd(__pa(pte) | _KERNPG_TABLE | _PAGE_USER));
+ pmd_populate_kernel(&init_mm, pmd, pte);
if (pte != pte_offset_kernel(pmd, 0)) {
printk(KERN_ERR "PAGETABLE BUG #02!\n");
return;
}
}
- new_pte = pfn_pte(phys >> PAGE_SHIFT, prot);
pte = pte_offset_kernel(pmd, vaddr);
if (!pte_none(*pte) && pte_val(new_pte) &&
@@ -185,6 +184,64 @@ set_pte_phys(unsigned long vaddr, unsigned long phys, pgprot_t prot)
__flush_tlb_one(vaddr);
}
+void
+set_pte_vaddr(unsigned long vaddr, pte_t pteval)
+{
+ pgd_t *pgd;
+ pud_t *pud_page;
+
+ pr_debug("set_pte_vaddr %lx to %lx\n", vaddr, native_pte_val(pteval));
+
+ pgd = pgd_offset_k(vaddr);
+ if (pgd_none(*pgd)) {
+ printk(KERN_ERR
+ "PGD FIXMAP MISSING, it should be setup in head.S!\n");
+ return;
+ }
+ pud_page = (pud_t*)pgd_page_vaddr(*pgd);
+ set_pte_vaddr_pud(pud_page, vaddr, pteval);
+}
+
+/*
+ * Create large page table mappings for a range of physical addresses.
+ */
+static void __init __init_extra_mapping(unsigned long phys, unsigned long size,
+ pgprot_t prot)
+{
+ pgd_t *pgd;
+ pud_t *pud;
+ pmd_t *pmd;
+
+ BUG_ON((phys & ~PMD_MASK) || (size & ~PMD_MASK));
+ for (; size; phys += PMD_SIZE, size -= PMD_SIZE) {
+ pgd = pgd_offset_k((unsigned long)__va(phys));
+ if (pgd_none(*pgd)) {
+ pud = (pud_t *) spp_getpage();
+ set_pgd(pgd, __pgd(__pa(pud) | _KERNPG_TABLE |
+ _PAGE_USER));
+ }
+ pud = pud_offset(pgd, (unsigned long)__va(phys));
+ if (pud_none(*pud)) {
+ pmd = (pmd_t *) spp_getpage();
+ set_pud(pud, __pud(__pa(pmd) | _KERNPG_TABLE |
+ _PAGE_USER));
+ }
+ pmd = pmd_offset(pud, phys);
+ BUG_ON(!pmd_none(*pmd));
+ set_pmd(pmd, __pmd(phys | pgprot_val(prot)));
+ }
+}
+
+void __init init_extra_mapping_wb(unsigned long phys, unsigned long size)
+{
+ __init_extra_mapping(phys, size, PAGE_KERNEL_LARGE);
+}
+
+void __init init_extra_mapping_uc(unsigned long phys, unsigned long size)
+{
+ __init_extra_mapping(phys, size, PAGE_KERNEL_LARGE_NOCACHE);
+}
+
/*
* The head.S code sets up the kernel high mapping:
*
@@ -213,20 +270,9 @@ void __init cleanup_highmap(void)
}
}
-/* NOTE: this is meant to be run only at boot */
-void __init __set_fixmap(enum fixed_addresses idx, unsigned long phys, pgprot_t prot)
-{
- unsigned long address = __fix_to_virt(idx);
-
- if (idx >= __end_of_fixed_addresses) {
- printk(KERN_ERR "Invalid __set_fixmap\n");
- return;
- }
- set_pte_phys(address, phys, prot);
-}
-
static unsigned long __initdata table_start;
static unsigned long __meminitdata table_end;
+static unsigned long __meminitdata table_top;
static __meminit void *alloc_low_page(unsigned long *phys)
{
@@ -240,7 +286,7 @@ static __meminit void *alloc_low_page(unsigned long *phys)
return adr;
}
- if (pfn >= end_pfn)
+ if (pfn >= table_top)
panic("alloc_low_page: ran out of memory");
adr = early_ioremap(pfn * PAGE_SIZE, PAGE_SIZE);
@@ -257,65 +303,61 @@ static __meminit void unmap_low_page(void *adr)
early_iounmap(adr, PAGE_SIZE);
}
-/* Must run before zap_low_mappings */
-__meminit void *early_ioremap(unsigned long addr, unsigned long size)
+static unsigned long __meminit
+phys_pte_init(pte_t *pte_page, unsigned long addr, unsigned long end)
{
- pmd_t *pmd, *last_pmd;
- unsigned long vaddr;
- int i, pmds;
+ unsigned pages = 0;
+ unsigned long last_map_addr = end;
+ int i;
+
+ pte_t *pte = pte_page + pte_index(addr);
- pmds = ((addr & ~PMD_MASK) + size + ~PMD_MASK) / PMD_SIZE;
- vaddr = __START_KERNEL_map;
- pmd = level2_kernel_pgt;
- last_pmd = level2_kernel_pgt + PTRS_PER_PMD - 1;
+ for(i = pte_index(addr); i < PTRS_PER_PTE; i++, addr += PAGE_SIZE, pte++) {
- for (; pmd <= last_pmd; pmd++, vaddr += PMD_SIZE) {
- for (i = 0; i < pmds; i++) {
- if (pmd_present(pmd[i]))
- goto continue_outer_loop;
+ if (addr >= end) {
+ if (!after_bootmem) {
+ for(; i < PTRS_PER_PTE; i++, pte++)
+ set_pte(pte, __pte(0));
+ }
+ break;
}
- vaddr += addr & ~PMD_MASK;
- addr &= PMD_MASK;
- for (i = 0; i < pmds; i++, addr += PMD_SIZE)
- set_pmd(pmd+i, __pmd(addr | __PAGE_KERNEL_LARGE_EXEC));
- __flush_tlb_all();
+ if (pte_val(*pte))
+ continue;
- return (void *)vaddr;
-continue_outer_loop:
- ;
+ if (0)
+ printk(" pte=%p addr=%lx pte=%016lx\n",
+ pte, addr, pfn_pte(addr >> PAGE_SHIFT, PAGE_KERNEL).pte);
+ set_pte(pte, pfn_pte(addr >> PAGE_SHIFT, PAGE_KERNEL));
+ last_map_addr = (addr & PAGE_MASK) + PAGE_SIZE;
+ pages++;
}
- printk(KERN_ERR "early_ioremap(0x%lx, %lu) failed\n", addr, size);
+ update_page_count(PG_LEVEL_4K, pages);
- return NULL;
+ return last_map_addr;
}
-/*
- * To avoid virtual aliases later:
- */
-__meminit void early_iounmap(void *addr, unsigned long size)
+static unsigned long __meminit
+phys_pte_update(pmd_t *pmd, unsigned long address, unsigned long end)
{
- unsigned long vaddr;
- pmd_t *pmd;
- int i, pmds;
-
- vaddr = (unsigned long)addr;
- pmds = ((vaddr & ~PMD_MASK) + size + ~PMD_MASK) / PMD_SIZE;
- pmd = level2_kernel_pgt + pmd_index(vaddr);
-
- for (i = 0; i < pmds; i++)
- pmd_clear(pmd + i);
+ pte_t *pte = (pte_t *)pmd_page_vaddr(*pmd);
- __flush_tlb_all();
+ return phys_pte_init(pte, address, end);
}
static unsigned long __meminit
-phys_pmd_init(pmd_t *pmd_page, unsigned long address, unsigned long end)
+phys_pmd_init(pmd_t *pmd_page, unsigned long address, unsigned long end,
+ unsigned long page_size_mask)
{
+ unsigned long pages = 0;
+ unsigned long last_map_addr = end;
+
int i = pmd_index(address);
for (; i < PTRS_PER_PMD; i++, address += PMD_SIZE) {
+ unsigned long pte_phys;
pmd_t *pmd = pmd_page + pmd_index(address);
+ pte_t *pte;
if (address >= end) {
if (!after_bootmem) {
@@ -325,31 +367,50 @@ phys_pmd_init(pmd_t *pmd_page, unsigned long address, unsigned long end)
break;
}
- if (pmd_val(*pmd))
+ if (pmd_val(*pmd)) {
+ if (!pmd_large(*pmd))
+ last_map_addr = phys_pte_update(pmd, address,
+ end);
+ continue;
+ }
+
+ if (page_size_mask & (1<<PG_LEVEL_2M)) {
+ pages++;
+ set_pte((pte_t *)pmd,
+ pfn_pte(address >> PAGE_SHIFT, PAGE_KERNEL_LARGE));
+ last_map_addr = (address & PMD_MASK) + PMD_SIZE;
continue;
+ }
+
+ pte = alloc_low_page(&pte_phys);
+ last_map_addr = phys_pte_init(pte, address, end);
+ unmap_low_page(pte);
- set_pte((pte_t *)pmd,
- pfn_pte(address >> PAGE_SHIFT, PAGE_KERNEL_LARGE));
+ pmd_populate_kernel(&init_mm, pmd, __va(pte_phys));
}
- return address;
+ update_page_count(PG_LEVEL_2M, pages);
+ return last_map_addr;
}
static unsigned long __meminit
-phys_pmd_update(pud_t *pud, unsigned long address, unsigned long end)
+phys_pmd_update(pud_t *pud, unsigned long address, unsigned long end,
+ unsigned long page_size_mask)
{
pmd_t *pmd = pmd_offset(pud, 0);
unsigned long last_map_addr;
spin_lock(&init_mm.page_table_lock);
- last_map_addr = phys_pmd_init(pmd, address, end);
+ last_map_addr = phys_pmd_init(pmd, address, end, page_size_mask);
spin_unlock(&init_mm.page_table_lock);
__flush_tlb_all();
return last_map_addr;
}
static unsigned long __meminit
-phys_pud_init(pud_t *pud_page, unsigned long addr, unsigned long end)
+phys_pud_init(pud_t *pud_page, unsigned long addr, unsigned long end,
+ unsigned long page_size_mask)
{
+ unsigned long pages = 0;
unsigned long last_map_addr = end;
int i = pud_index(addr);
@@ -369,11 +430,13 @@ phys_pud_init(pud_t *pud_page, unsigned long addr, unsigned long end)
if (pud_val(*pud)) {
if (!pud_large(*pud))
- last_map_addr = phys_pmd_update(pud, addr, end);
+ last_map_addr = phys_pmd_update(pud, addr, end,
+ page_size_mask);
continue;
}
- if (direct_gbpages) {
+ if (page_size_mask & (1<<PG_LEVEL_1G)) {
+ pages++;
set_pte((pte_t *)pud,
pfn_pte(addr >> PAGE_SHIFT, PAGE_KERNEL_LARGE));
last_map_addr = (addr & PUD_MASK) + PUD_SIZE;
@@ -383,27 +446,50 @@ phys_pud_init(pud_t *pud_page, unsigned long addr, unsigned long end)
pmd = alloc_low_page(&pmd_phys);
spin_lock(&init_mm.page_table_lock);
- set_pud(pud, __pud(pmd_phys | _KERNPG_TABLE));
- last_map_addr = phys_pmd_init(pmd, addr, end);
+ last_map_addr = phys_pmd_init(pmd, addr, end, page_size_mask);
+ unmap_low_page(pmd);
+ pud_populate(&init_mm, pud, __va(pmd_phys));
spin_unlock(&init_mm.page_table_lock);
- unmap_low_page(pmd);
}
__flush_tlb_all();
+ update_page_count(PG_LEVEL_1G, pages);
- return last_map_addr >> PAGE_SHIFT;
+ return last_map_addr;
+}
+
+static unsigned long __meminit
+phys_pud_update(pgd_t *pgd, unsigned long addr, unsigned long end,
+ unsigned long page_size_mask)
+{
+ pud_t *pud;
+
+ pud = (pud_t *)pgd_page_vaddr(*pgd);
+
+ return phys_pud_init(pud, addr, end, page_size_mask);
}
static void __init find_early_table_space(unsigned long end)
{
- unsigned long puds, pmds, tables, start;
+ unsigned long puds, pmds, ptes, tables, start;
puds = (end + PUD_SIZE - 1) >> PUD_SHIFT;
tables = round_up(puds * sizeof(pud_t), PAGE_SIZE);
- if (!direct_gbpages) {
+ if (direct_gbpages) {
+ unsigned long extra;
+ extra = end - ((end>>PUD_SHIFT) << PUD_SHIFT);
+ pmds = (extra + PMD_SIZE - 1) >> PMD_SHIFT;
+ } else
pmds = (end + PMD_SIZE - 1) >> PMD_SHIFT;
- tables += round_up(pmds * sizeof(pmd_t), PAGE_SIZE);
- }
+ tables += round_up(pmds * sizeof(pmd_t), PAGE_SIZE);
+
+ if (cpu_has_pse) {
+ unsigned long extra;
+ extra = end - ((end>>PMD_SHIFT) << PMD_SHIFT);
+ ptes = (extra + PAGE_SIZE - 1) >> PAGE_SHIFT;
+ } else
+ ptes = (end + PAGE_SIZE - 1) >> PAGE_SHIFT;
+ tables += round_up(ptes * sizeof(pte_t), PAGE_SIZE);
/*
* RED-PEN putting page tables only on node 0 could
@@ -417,10 +503,10 @@ static void __init find_early_table_space(unsigned long end)
table_start >>= PAGE_SHIFT;
table_end = table_start;
+ table_top = table_start + (tables >> PAGE_SHIFT);
- early_printk("kernel direct mapping tables up to %lx @ %lx-%lx\n",
- end, table_start << PAGE_SHIFT,
- (table_start << PAGE_SHIFT) + tables);
+ printk(KERN_DEBUG "kernel direct mapping tables up to %lx @ %lx-%lx\n",
+ end, table_start << PAGE_SHIFT, table_top << PAGE_SHIFT);
}
static void __init init_gbpages(void)
@@ -431,7 +517,7 @@ static void __init init_gbpages(void)
direct_gbpages = 0;
}
-#ifdef CONFIG_MEMTEST_BOOTPARAM
+#ifdef CONFIG_MEMTEST
static void __init memtest(unsigned long start_phys, unsigned long size,
unsigned pattern)
@@ -493,7 +579,8 @@ static void __init memtest(unsigned long start_phys, unsigned long size,
}
-static int memtest_pattern __initdata = CONFIG_MEMTEST_BOOTPARAM_VALUE;
+/* default is disabled */
+static int memtest_pattern __initdata;
static int __init parse_memtest(char *arg)
{
@@ -542,15 +629,85 @@ static void __init early_memtest(unsigned long start, unsigned long end)
}
#endif
+static unsigned long __init kernel_physical_mapping_init(unsigned long start,
+ unsigned long end,
+ unsigned long page_size_mask)
+{
+
+ unsigned long next, last_map_addr = end;
+
+ start = (unsigned long)__va(start);
+ end = (unsigned long)__va(end);
+
+ for (; start < end; start = next) {
+ pgd_t *pgd = pgd_offset_k(start);
+ unsigned long pud_phys;
+ pud_t *pud;
+
+ next = start + PGDIR_SIZE;
+ if (next > end)
+ next = end;
+
+ if (pgd_val(*pgd)) {
+ last_map_addr = phys_pud_update(pgd, __pa(start),
+ __pa(end), page_size_mask);
+ continue;
+ }
+
+ if (after_bootmem)
+ pud = pud_offset(pgd, start & PGDIR_MASK);
+ else
+ pud = alloc_low_page(&pud_phys);
+
+ last_map_addr = phys_pud_init(pud, __pa(start), __pa(next),
+ page_size_mask);
+ unmap_low_page(pud);
+ pgd_populate(&init_mm, pgd_offset_k(start),
+ __va(pud_phys));
+ }
+
+ return last_map_addr;
+}
+
+struct map_range {
+ unsigned long start;
+ unsigned long end;
+ unsigned page_size_mask;
+};
+
+#define NR_RANGE_MR 5
+
+static int save_mr(struct map_range *mr, int nr_range,
+ unsigned long start_pfn, unsigned long end_pfn,
+ unsigned long page_size_mask)
+{
+
+ if (start_pfn < end_pfn) {
+ if (nr_range >= NR_RANGE_MR)
+ panic("run out of range for init_memory_mapping\n");
+ mr[nr_range].start = start_pfn<<PAGE_SHIFT;
+ mr[nr_range].end = end_pfn<<PAGE_SHIFT;
+ mr[nr_range].page_size_mask = page_size_mask;
+ nr_range++;
+ }
+
+ return nr_range;
+}
+
/*
* Setup the direct mapping of the physical memory at PAGE_OFFSET.
* This runs before bootmem is initialized and gets pages directly from
* the physical memory. To access them they are temporarily mapped.
*/
-unsigned long __init_refok init_memory_mapping(unsigned long start, unsigned long end)
+unsigned long __init_refok init_memory_mapping(unsigned long start,
+ unsigned long end)
{
- unsigned long next, last_map_addr = end;
- unsigned long start_phys = start, end_phys = end;
+ unsigned long last_map_addr = 0;
+ unsigned long page_size_mask = 0;
+ unsigned long start_pfn, end_pfn;
+
+ struct map_range mr[NR_RANGE_MR];
+ int nr_range, i;
printk(KERN_INFO "init_memory_mapping\n");
@@ -561,48 +718,115 @@ unsigned long __init_refok init_memory_mapping(unsigned long start, unsigned lon
* memory mapped. Unfortunately this is done currently before the
* nodes are discovered.
*/
- if (!after_bootmem) {
+ if (!after_bootmem)
init_gbpages();
- find_early_table_space(end);
- }
- start = (unsigned long)__va(start);
- end = (unsigned long)__va(end);
+ if (direct_gbpages)
+ page_size_mask |= 1 << PG_LEVEL_1G;
+ if (cpu_has_pse)
+ page_size_mask |= 1 << PG_LEVEL_2M;
+
+ memset(mr, 0, sizeof(mr));
+ nr_range = 0;
+
+ /* head if not big page alignment ?*/
+ start_pfn = start >> PAGE_SHIFT;
+ end_pfn = ((start + (PMD_SIZE - 1)) >> PMD_SHIFT)
+ << (PMD_SHIFT - PAGE_SHIFT);
+ nr_range = save_mr(mr, nr_range, start_pfn, end_pfn, 0);
+
+ /* big page (2M) range*/
+ start_pfn = ((start + (PMD_SIZE - 1))>>PMD_SHIFT)
+ << (PMD_SHIFT - PAGE_SHIFT);
+ end_pfn = ((start + (PUD_SIZE - 1))>>PUD_SHIFT)
+ << (PUD_SHIFT - PAGE_SHIFT);
+ if (end_pfn > ((end>>PUD_SHIFT)<<(PUD_SHIFT - PAGE_SHIFT)))
+ end_pfn = ((end>>PUD_SHIFT)<<(PUD_SHIFT - PAGE_SHIFT));
+ nr_range = save_mr(mr, nr_range, start_pfn, end_pfn,
+ page_size_mask & (1<<PG_LEVEL_2M));
+
+ /* big page (1G) range */
+ start_pfn = end_pfn;
+ end_pfn = (end>>PUD_SHIFT) << (PUD_SHIFT - PAGE_SHIFT);
+ nr_range = save_mr(mr, nr_range, start_pfn, end_pfn,
+ page_size_mask &
+ ((1<<PG_LEVEL_2M)|(1<<PG_LEVEL_1G)));
+
+ /* tail is not big page (1G) alignment */
+ start_pfn = end_pfn;
+ end_pfn = (end>>PMD_SHIFT) << (PMD_SHIFT - PAGE_SHIFT);
+ nr_range = save_mr(mr, nr_range, start_pfn, end_pfn,
+ page_size_mask & (1<<PG_LEVEL_2M));
+
+ /* tail is not big page (2M) alignment */
+ start_pfn = end_pfn;
+ end_pfn = end>>PAGE_SHIFT;
+ nr_range = save_mr(mr, nr_range, start_pfn, end_pfn, 0);
+
+ /* try to merge same page size and continuous */
+ for (i = 0; nr_range > 1 && i < nr_range - 1; i++) {
+ unsigned long old_start;
+ if (mr[i].end != mr[i+1].start ||
+ mr[i].page_size_mask != mr[i+1].page_size_mask)
+ continue;
+ /* move it */
+ old_start = mr[i].start;
+ memmove(&mr[i], &mr[i+1],
+ (nr_range - 1 - i) * sizeof (struct map_range));
+ mr[i].start = old_start;
+ nr_range--;
+ }
- for (; start < end; start = next) {
- pgd_t *pgd = pgd_offset_k(start);
- unsigned long pud_phys;
- pud_t *pud;
+ for (i = 0; i < nr_range; i++)
+ printk(KERN_DEBUG " %010lx - %010lx page %s\n",
+ mr[i].start, mr[i].end,
+ (mr[i].page_size_mask & (1<<PG_LEVEL_1G))?"1G":(
+ (mr[i].page_size_mask & (1<<PG_LEVEL_2M))?"2M":"4k"));
- if (after_bootmem)
- pud = pud_offset(pgd, start & PGDIR_MASK);
- else
- pud = alloc_low_page(&pud_phys);
+ if (!after_bootmem)
+ find_early_table_space(end);
- next = start + PGDIR_SIZE;
- if (next > end)
- next = end;
- last_map_addr = phys_pud_init(pud, __pa(start), __pa(next));
- if (!after_bootmem)
- set_pgd(pgd_offset_k(start), mk_kernel_pgd(pud_phys));
- unmap_low_page(pud);
- }
+ for (i = 0; i < nr_range; i++)
+ last_map_addr = kernel_physical_mapping_init(
+ mr[i].start, mr[i].end,
+ mr[i].page_size_mask);
if (!after_bootmem)
mmu_cr4_features = read_cr4();
__flush_tlb_all();
- if (!after_bootmem)
+ if (!after_bootmem && table_end > table_start)
reserve_early(table_start << PAGE_SHIFT,
table_end << PAGE_SHIFT, "PGTABLE");
+ printk(KERN_INFO "last_map_addr: %lx end: %lx\n",
+ last_map_addr, end);
+
if (!after_bootmem)
- early_memtest(start_phys, end_phys);
+ early_memtest(start, end);
- return last_map_addr;
+ return last_map_addr >> PAGE_SHIFT;
}
#ifndef CONFIG_NUMA
+void __init initmem_init(unsigned long start_pfn, unsigned long end_pfn)
+{
+ unsigned long bootmap_size, bootmap;
+
+ bootmap_size = bootmem_bootmap_pages(end_pfn)<<PAGE_SHIFT;
+ bootmap = find_e820_area(0, end_pfn<<PAGE_SHIFT, bootmap_size,
+ PAGE_SIZE);
+ if (bootmap == -1L)
+ panic("Cannot find bootmem map of size %ld\n", bootmap_size);
+ /* don't touch min_low_pfn */
+ bootmap_size = init_bootmem_node(NODE_DATA(0), bootmap >> PAGE_SHIFT,
+ 0, end_pfn);
+ e820_register_active_regions(0, start_pfn, end_pfn);
+ free_bootmem_with_active_regions(0, end_pfn);
+ early_res_to_bootmem(0, end_pfn<<PAGE_SHIFT);
+ reserve_bootmem(bootmap, bootmap_size, BOOTMEM_DEFAULT);
+}
+
void __init paging_init(void)
{
unsigned long max_zone_pfns[MAX_NR_ZONES];
@@ -610,9 +834,9 @@ void __init paging_init(void)
memset(max_zone_pfns, 0, sizeof(max_zone_pfns));
max_zone_pfns[ZONE_DMA] = MAX_DMA_PFN;
max_zone_pfns[ZONE_DMA32] = MAX_DMA32_PFN;
- max_zone_pfns[ZONE_NORMAL] = end_pfn;
+ max_zone_pfns[ZONE_NORMAL] = max_pfn;
- memory_present(0, 0, end_pfn);
+ memory_present(0, 0, max_pfn);
sparse_init();
free_area_init_nodes(max_zone_pfns);
}
@@ -694,8 +918,8 @@ void __init mem_init(void)
#else
totalram_pages = free_all_bootmem();
#endif
- reservedpages = end_pfn - totalram_pages -
- absent_pages_in_range(0, end_pfn);
+ reservedpages = max_pfn - totalram_pages -
+ absent_pages_in_range(0, max_pfn);
after_bootmem = 1;
codesize = (unsigned long) &_etext - (unsigned long) &_text;
@@ -714,7 +938,7 @@ void __init mem_init(void)
printk(KERN_INFO "Memory: %luk/%luk available (%ldk kernel code, "
"%ldk reserved, %ldk data, %ldk init)\n",
(unsigned long) nr_free_pages() << (PAGE_SHIFT-10),
- end_pfn << (PAGE_SHIFT-10),
+ max_pfn << (PAGE_SHIFT-10),
codesize >> 10,
reservedpages << (PAGE_SHIFT-10),
datasize >> 10,
@@ -767,6 +991,13 @@ EXPORT_SYMBOL_GPL(rodata_test_data);
void mark_rodata_ro(void)
{
unsigned long start = PFN_ALIGN(_stext), end = PFN_ALIGN(__end_rodata);
+ unsigned long rodata_start =
+ ((unsigned long)__start_rodata + PAGE_SIZE - 1) & PAGE_MASK;
+
+#ifdef CONFIG_DYNAMIC_FTRACE
+ /* Dynamic tracing modifies the kernel text section */
+ start = rodata_start;
+#endif
printk(KERN_INFO "Write protecting the kernel read-only data: %luk\n",
(end - start) >> 10);
@@ -776,8 +1007,7 @@ void mark_rodata_ro(void)
* The rodata section (but not the kernel text!) should also be
* not-executable.
*/
- start = ((unsigned long)__start_rodata + PAGE_SIZE - 1) & PAGE_MASK;
- set_memory_nx(start, (end - start) >> PAGE_SHIFT);
+ set_memory_nx(rodata_start, (end - rodata_start) >> PAGE_SHIFT);
rodata_test();
@@ -799,24 +1029,26 @@ void free_initrd_mem(unsigned long start, unsigned long end)
}
#endif
-void __init reserve_bootmem_generic(unsigned long phys, unsigned len)
+int __init reserve_bootmem_generic(unsigned long phys, unsigned long len,
+ int flags)
{
#ifdef CONFIG_NUMA
int nid, next_nid;
+ int ret;
#endif
unsigned long pfn = phys >> PAGE_SHIFT;
- if (pfn >= end_pfn) {
+ if (pfn >= max_pfn) {
/*
* This can happen with kdump kernels when accessing
* firmware tables:
*/
if (pfn < max_pfn_mapped)
- return;
+ return -EFAULT;
- printk(KERN_ERR "reserve_bootmem: illegal reserve %lx %u\n",
+ printk(KERN_ERR "reserve_bootmem: illegal reserve %lx %lu\n",
phys, len);
- return;
+ return -EFAULT;
}
/* Should check here against the e820 map to avoid double free */
@@ -824,9 +1056,13 @@ void __init reserve_bootmem_generic(unsigned long phys, unsigned len)
nid = phys_to_nid(phys);
next_nid = phys_to_nid(phys + len - 1);
if (nid == next_nid)
- reserve_bootmem_node(NODE_DATA(nid), phys, len, BOOTMEM_DEFAULT);
+ ret = reserve_bootmem_node(NODE_DATA(nid), phys, len, flags);
else
- reserve_bootmem(phys, len, BOOTMEM_DEFAULT);
+ ret = reserve_bootmem(phys, len, flags);
+
+ if (ret != 0)
+ return ret;
+
#else
reserve_bootmem(phys, len, BOOTMEM_DEFAULT);
#endif
@@ -835,6 +1071,8 @@ void __init reserve_bootmem_generic(unsigned long phys, unsigned len)
dma_reserve += len / PAGE_SIZE;
set_dma_reserve(dma_reserve);
}
+
+ return 0;
}
int kern_addr_valid(unsigned long addr)
@@ -939,7 +1177,7 @@ vmemmap_populate(struct page *start_page, unsigned long size, int node)
pmd_t *pmd;
for (; addr < end; addr = next) {
- next = pmd_addr_end(addr, end);
+ void *p = NULL;
pgd = vmemmap_pgd_populate(addr, node);
if (!pgd)
@@ -949,33 +1187,51 @@ vmemmap_populate(struct page *start_page, unsigned long size, int node)
if (!pud)
return -ENOMEM;
- pmd = pmd_offset(pud, addr);
- if (pmd_none(*pmd)) {
- pte_t entry;
- void *p;
+ if (!cpu_has_pse) {
+ next = (addr + PAGE_SIZE) & PAGE_MASK;
+ pmd = vmemmap_pmd_populate(pud, addr, node);
+
+ if (!pmd)
+ return -ENOMEM;
+
+ p = vmemmap_pte_populate(pmd, addr, node);
- p = vmemmap_alloc_block(PMD_SIZE, node);
if (!p)
return -ENOMEM;
- entry = pfn_pte(__pa(p) >> PAGE_SHIFT,
- PAGE_KERNEL_LARGE);
- set_pmd(pmd, __pmd(pte_val(entry)));
-
- /* check to see if we have contiguous blocks */
- if (p_end != p || node_start != node) {
- if (p_start)
- printk(KERN_DEBUG " [%lx-%lx] PMD -> [%p-%p] on node %d\n",
- addr_start, addr_end-1, p_start, p_end-1, node_start);
- addr_start = addr;
- node_start = node;
- p_start = p;
- }
- addr_end = addr + PMD_SIZE;
- p_end = p + PMD_SIZE;
+ addr_end = addr + PAGE_SIZE;
+ p_end = p + PAGE_SIZE;
} else {
- vmemmap_verify((pte_t *)pmd, node, addr, next);
+ next = pmd_addr_end(addr, end);
+
+ pmd = pmd_offset(pud, addr);
+ if (pmd_none(*pmd)) {
+ pte_t entry;
+
+ p = vmemmap_alloc_block(PMD_SIZE, node);
+ if (!p)
+ return -ENOMEM;
+
+ entry = pfn_pte(__pa(p) >> PAGE_SHIFT,
+ PAGE_KERNEL_LARGE);
+ set_pmd(pmd, __pmd(pte_val(entry)));
+
+ /* check to see if we have contiguous blocks */
+ if (p_end != p || node_start != node) {
+ if (p_start)
+ printk(KERN_DEBUG " [%lx-%lx] PMD -> [%p-%p] on node %d\n",
+ addr_start, addr_end-1, p_start, p_end-1, node_start);
+ addr_start = addr;
+ node_start = node;
+ p_start = p;
+ }
+
+ addr_end = addr + PMD_SIZE;
+ p_end = p + PMD_SIZE;
+ } else
+ vmemmap_verify((pte_t *)pmd, node, addr, next);
}
+
}
return 0;
}
diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c
index 2b2bb3f9b68..24c1d3c3018 100644
--- a/arch/x86/mm/ioremap.c
+++ b/arch/x86/mm/ioremap.c
@@ -12,6 +12,7 @@
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/vmalloc.h>
+#include <linux/mmiotrace.h>
#include <asm/cacheflush.h>
#include <asm/e820.h>
@@ -122,10 +123,13 @@ static void __iomem *__ioremap_caller(resource_size_t phys_addr,
{
unsigned long pfn, offset, vaddr;
resource_size_t last_addr;
+ const resource_size_t unaligned_phys_addr = phys_addr;
+ const unsigned long unaligned_size = size;
struct vm_struct *area;
unsigned long new_prot_val;
pgprot_t prot;
int retval;
+ void __iomem *ret_addr;
/* Don't allow wraparound or zero size */
last_addr = phys_addr + size - 1;
@@ -142,7 +146,7 @@ static void __iomem *__ioremap_caller(resource_size_t phys_addr,
/*
* Don't remap the low PCI/ISA area, it's always mapped..
*/
- if (phys_addr >= ISA_START_ADDRESS && last_addr < ISA_END_ADDRESS)
+ if (is_ISA_range(phys_addr, last_addr))
return (__force void __iomem *)phys_to_virt(phys_addr);
/*
@@ -233,7 +237,10 @@ static void __iomem *__ioremap_caller(resource_size_t phys_addr,
return NULL;
}
- return (void __iomem *) (vaddr + offset);
+ ret_addr = (void __iomem *) (vaddr + offset);
+ mmiotrace_ioremap(unaligned_phys_addr, unaligned_size, ret_addr);
+
+ return ret_addr;
}
/**
@@ -261,7 +268,7 @@ void __iomem *ioremap_nocache(resource_size_t phys_addr, unsigned long size)
{
/*
* Ideally, this should be:
- * pat_wc_enabled ? _PAGE_CACHE_UC : _PAGE_CACHE_UC_MINUS;
+ * pat_enabled ? _PAGE_CACHE_UC : _PAGE_CACHE_UC_MINUS;
*
* Till we fix all X drivers to use ioremap_wc(), we will use
* UC MINUS.
@@ -285,7 +292,7 @@ EXPORT_SYMBOL(ioremap_nocache);
*/
void __iomem *ioremap_wc(unsigned long phys_addr, unsigned long size)
{
- if (pat_wc_enabled)
+ if (pat_enabled)
return __ioremap_caller(phys_addr, size, _PAGE_CACHE_WC,
__builtin_return_address(0));
else
@@ -300,6 +307,29 @@ void __iomem *ioremap_cache(resource_size_t phys_addr, unsigned long size)
}
EXPORT_SYMBOL(ioremap_cache);
+static void __iomem *ioremap_default(resource_size_t phys_addr,
+ unsigned long size)
+{
+ unsigned long flags;
+ void *ret;
+ int err;
+
+ /*
+ * - WB for WB-able memory and no other conflicting mappings
+ * - UC_MINUS for non-WB-able memory with no other conflicting mappings
+ * - Inherit from confliting mappings otherwise
+ */
+ err = reserve_memtype(phys_addr, phys_addr + size, -1, &flags);
+ if (err < 0)
+ return NULL;
+
+ ret = (void *) __ioremap_caller(phys_addr, size, flags,
+ __builtin_return_address(0));
+
+ free_memtype(phys_addr, phys_addr + size);
+ return (void __iomem *)ret;
+}
+
/**
* iounmap - Free a IO remapping
* @addr: virtual address from ioremap_*
@@ -318,13 +348,15 @@ void iounmap(volatile void __iomem *addr)
* vm_area and by simply returning an address into the kernel mapping
* of ISA space. So handle that here.
*/
- if (addr >= phys_to_virt(ISA_START_ADDRESS) &&
- addr < phys_to_virt(ISA_END_ADDRESS))
+ if ((void __force *)addr >= phys_to_virt(ISA_START_ADDRESS) &&
+ (void __force *)addr < phys_to_virt(ISA_END_ADDRESS))
return;
addr = (volatile void __iomem *)
(PAGE_MASK & (unsigned long __force)addr);
+ mmiotrace_iounmap(addr);
+
/* Use the vm area unlocked, assuming the caller
ensures there isn't another iounmap for the same address
in parallel. Reuse of the virtual address is prevented by
@@ -332,7 +364,7 @@ void iounmap(volatile void __iomem *addr)
cpa takes care of the direct mappings. */
read_lock(&vmlist_lock);
for (p = vmlist; p; p = p->next) {
- if (p->addr == addr)
+ if (p->addr == (void __force *)addr)
break;
}
read_unlock(&vmlist_lock);
@@ -346,7 +378,7 @@ void iounmap(volatile void __iomem *addr)
free_memtype(p->phys_addr, p->phys_addr + get_vm_area_size(p));
/* Finally remove it */
- o = remove_vm_area((void *)addr);
+ o = remove_vm_area((void __force *)addr);
BUG_ON(p != o || o == NULL);
kfree(p);
}
@@ -365,7 +397,7 @@ void *xlate_dev_mem_ptr(unsigned long phys)
if (page_is_ram(start >> PAGE_SHIFT))
return __va(phys);
- addr = (void *)ioremap(start, PAGE_SIZE);
+ addr = (void __force *)ioremap_default(start, PAGE_SIZE);
if (addr)
addr = (void *)((unsigned long)addr | (phys & ~PAGE_MASK));
@@ -381,8 +413,6 @@ void unxlate_dev_mem_ptr(unsigned long phys, void *addr)
return;
}
-#ifdef CONFIG_X86_32
-
int __initdata early_ioremap_debug;
static int __init early_ioremap_debug_setup(char *str)
@@ -394,8 +424,7 @@ static int __init early_ioremap_debug_setup(char *str)
early_param("early_ioremap_debug", early_ioremap_debug_setup);
static __initdata int after_paging_init;
-static pte_t bm_pte[PAGE_SIZE/sizeof(pte_t)]
- __section(.bss.page_aligned);
+static pte_t bm_pte[PAGE_SIZE/sizeof(pte_t)] __page_aligned_bss;
static inline pmd_t * __init early_ioremap_pmd(unsigned long addr)
{
@@ -484,10 +513,11 @@ static void __init __early_set_fixmap(enum fixed_addresses idx,
return;
}
pte = early_ioremap_pte(addr);
+
if (pgprot_val(flags))
set_pte(pte, pfn_pte(phys >> PAGE_SHIFT, flags));
else
- pte_clear(NULL, addr, pte);
+ pte_clear(&init_mm, addr, pte);
__flush_tlb_one(addr);
}
@@ -625,5 +655,3 @@ void __this_fixmap_does_not_exist(void)
{
WARN_ON(1);
}
-
-#endif /* CONFIG_X86_32 */
diff --git a/arch/x86/mm/k8topology_64.c b/arch/x86/mm/k8topology_64.c
index 1f476e47784..41f1b5c00a1 100644
--- a/arch/x86/mm/k8topology_64.c
+++ b/arch/x86/mm/k8topology_64.c
@@ -22,6 +22,7 @@
#include <asm/numa.h>
#include <asm/mpspec.h>
#include <asm/apic.h>
+#include <asm/k8.h>
static __init int find_northbridge(void)
{
@@ -56,34 +57,33 @@ static __init void early_get_boot_cpu_id(void)
/*
* Find possible boot-time SMP configuration:
*/
+#ifdef CONFIG_X86_MPPARSE
early_find_smp_config();
+#endif
#ifdef CONFIG_ACPI
/*
* Read APIC information from ACPI tables.
*/
early_acpi_boot_init();
#endif
+#ifdef CONFIG_X86_MPPARSE
/*
* get boot-time SMP configuration:
*/
if (smp_found_config)
early_get_smp_config();
+#endif
early_init_lapic_mapping();
}
int __init k8_scan_nodes(unsigned long start, unsigned long end)
{
+ unsigned numnodes, cores, bits, apicid_base;
unsigned long prevbase;
struct bootnode nodes[8];
- int nodeid, i, nb;
unsigned char nodeids[8];
- int found = 0;
- u32 reg;
- unsigned numnodes;
- unsigned cores;
- unsigned bits;
- int j;
- unsigned apicid_base;
+ int i, j, nb, found = 0;
+ u32 nodeid, reg;
if (!early_pci_allowed())
return -1;
@@ -105,7 +105,6 @@ int __init k8_scan_nodes(unsigned long start, unsigned long end)
prevbase = 0;
for (i = 0; i < 8; i++) {
unsigned long base, limit;
- u32 nodeid;
base = read_pci_config(0, nb, 1, 0x40 + i*8);
limit = read_pci_config(0, nb, 1, 0x44 + i*8);
@@ -144,8 +143,8 @@ int __init k8_scan_nodes(unsigned long start, unsigned long end)
limit |= (1<<24)-1;
limit++;
- if (limit > end_pfn << PAGE_SHIFT)
- limit = end_pfn << PAGE_SHIFT;
+ if (limit > max_pfn << PAGE_SHIFT)
+ limit = max_pfn << PAGE_SHIFT;
if (limit <= base)
continue;
diff --git a/arch/x86/mm/kmmio.c b/arch/x86/mm/kmmio.c
new file mode 100644
index 00000000000..93d82038af4
--- /dev/null
+++ b/arch/x86/mm/kmmio.c
@@ -0,0 +1,510 @@
+/* Support for MMIO probes.
+ * Benfit many code from kprobes
+ * (C) 2002 Louis Zhuang <louis.zhuang@intel.com>.
+ * 2007 Alexander Eichner
+ * 2008 Pekka Paalanen <pq@iki.fi>
+ */
+
+#include <linux/list.h>
+#include <linux/rculist.h>
+#include <linux/spinlock.h>
+#include <linux/hash.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/uaccess.h>
+#include <linux/ptrace.h>
+#include <linux/preempt.h>
+#include <linux/percpu.h>
+#include <linux/kdebug.h>
+#include <linux/mutex.h>
+#include <linux/io.h>
+#include <asm/cacheflush.h>
+#include <asm/tlbflush.h>
+#include <linux/errno.h>
+#include <asm/debugreg.h>
+#include <linux/mmiotrace.h>
+
+#define KMMIO_PAGE_HASH_BITS 4
+#define KMMIO_PAGE_TABLE_SIZE (1 << KMMIO_PAGE_HASH_BITS)
+
+struct kmmio_fault_page {
+ struct list_head list;
+ struct kmmio_fault_page *release_next;
+ unsigned long page; /* location of the fault page */
+
+ /*
+ * Number of times this page has been registered as a part
+ * of a probe. If zero, page is disarmed and this may be freed.
+ * Used only by writers (RCU).
+ */
+ int count;
+};
+
+struct kmmio_delayed_release {
+ struct rcu_head rcu;
+ struct kmmio_fault_page *release_list;
+};
+
+struct kmmio_context {
+ struct kmmio_fault_page *fpage;
+ struct kmmio_probe *probe;
+ unsigned long saved_flags;
+ unsigned long addr;
+ int active;
+};
+
+static DEFINE_SPINLOCK(kmmio_lock);
+
+/* Protected by kmmio_lock */
+unsigned int kmmio_count;
+
+/* Read-protected by RCU, write-protected by kmmio_lock. */
+static struct list_head kmmio_page_table[KMMIO_PAGE_TABLE_SIZE];
+static LIST_HEAD(kmmio_probes);
+
+static struct list_head *kmmio_page_list(unsigned long page)
+{
+ return &kmmio_page_table[hash_long(page, KMMIO_PAGE_HASH_BITS)];
+}
+
+/* Accessed per-cpu */
+static DEFINE_PER_CPU(struct kmmio_context, kmmio_ctx);
+
+/*
+ * this is basically a dynamic stabbing problem:
+ * Could use the existing prio tree code or
+ * Possible better implementations:
+ * The Interval Skip List: A Data Structure for Finding All Intervals That
+ * Overlap a Point (might be simple)
+ * Space Efficient Dynamic Stabbing with Fast Queries - Mikkel Thorup
+ */
+/* Get the kmmio at this addr (if any). You must be holding RCU read lock. */
+static struct kmmio_probe *get_kmmio_probe(unsigned long addr)
+{
+ struct kmmio_probe *p;
+ list_for_each_entry_rcu(p, &kmmio_probes, list) {
+ if (addr >= p->addr && addr <= (p->addr + p->len))
+ return p;
+ }
+ return NULL;
+}
+
+/* You must be holding RCU read lock. */
+static struct kmmio_fault_page *get_kmmio_fault_page(unsigned long page)
+{
+ struct list_head *head;
+ struct kmmio_fault_page *p;
+
+ page &= PAGE_MASK;
+ head = kmmio_page_list(page);
+ list_for_each_entry_rcu(p, head, list) {
+ if (p->page == page)
+ return p;
+ }
+ return NULL;
+}
+
+static void set_page_present(unsigned long addr, bool present,
+ unsigned int *pglevel)
+{
+ pteval_t pteval;
+ pmdval_t pmdval;
+ unsigned int level;
+ pmd_t *pmd;
+ pte_t *pte = lookup_address(addr, &level);
+
+ if (!pte) {
+ pr_err("kmmio: no pte for page 0x%08lx\n", addr);
+ return;
+ }
+
+ if (pglevel)
+ *pglevel = level;
+
+ switch (level) {
+ case PG_LEVEL_2M:
+ pmd = (pmd_t *)pte;
+ pmdval = pmd_val(*pmd) & ~_PAGE_PRESENT;
+ if (present)
+ pmdval |= _PAGE_PRESENT;
+ set_pmd(pmd, __pmd(pmdval));
+ break;
+
+ case PG_LEVEL_4K:
+ pteval = pte_val(*pte) & ~_PAGE_PRESENT;
+ if (present)
+ pteval |= _PAGE_PRESENT;
+ set_pte_atomic(pte, __pte(pteval));
+ break;
+
+ default:
+ pr_err("kmmio: unexpected page level 0x%x.\n", level);
+ return;
+ }
+
+ __flush_tlb_one(addr);
+}
+
+/** Mark the given page as not present. Access to it will trigger a fault. */
+static void arm_kmmio_fault_page(unsigned long page, unsigned int *pglevel)
+{
+ set_page_present(page & PAGE_MASK, false, pglevel);
+}
+
+/** Mark the given page as present. */
+static void disarm_kmmio_fault_page(unsigned long page, unsigned int *pglevel)
+{
+ set_page_present(page & PAGE_MASK, true, pglevel);
+}
+
+/*
+ * This is being called from do_page_fault().
+ *
+ * We may be in an interrupt or a critical section. Also prefecthing may
+ * trigger a page fault. We may be in the middle of process switch.
+ * We cannot take any locks, because we could be executing especially
+ * within a kmmio critical section.
+ *
+ * Local interrupts are disabled, so preemption cannot happen.
+ * Do not enable interrupts, do not sleep, and watch out for other CPUs.
+ */
+/*
+ * Interrupts are disabled on entry as trap3 is an interrupt gate
+ * and they remain disabled thorough out this function.
+ */
+int kmmio_handler(struct pt_regs *regs, unsigned long addr)
+{
+ struct kmmio_context *ctx;
+ struct kmmio_fault_page *faultpage;
+ int ret = 0; /* default to fault not handled */
+
+ /*
+ * Preemption is now disabled to prevent process switch during
+ * single stepping. We can only handle one active kmmio trace
+ * per cpu, so ensure that we finish it before something else
+ * gets to run. We also hold the RCU read lock over single
+ * stepping to avoid looking up the probe and kmmio_fault_page
+ * again.
+ */
+ preempt_disable();
+ rcu_read_lock();
+
+ faultpage = get_kmmio_fault_page(addr);
+ if (!faultpage) {
+ /*
+ * Either this page fault is not caused by kmmio, or
+ * another CPU just pulled the kmmio probe from under
+ * our feet. The latter case should not be possible.
+ */
+ goto no_kmmio;
+ }
+
+ ctx = &get_cpu_var(kmmio_ctx);
+ if (ctx->active) {
+ disarm_kmmio_fault_page(faultpage->page, NULL);
+ if (addr == ctx->addr) {
+ /*
+ * On SMP we sometimes get recursive probe hits on the
+ * same address. Context is already saved, fall out.
+ */
+ pr_debug("kmmio: duplicate probe hit on CPU %d, for "
+ "address 0x%08lx.\n",
+ smp_processor_id(), addr);
+ ret = 1;
+ goto no_kmmio_ctx;
+ }
+ /*
+ * Prevent overwriting already in-flight context.
+ * This should not happen, let's hope disarming at least
+ * prevents a panic.
+ */
+ pr_emerg("kmmio: recursive probe hit on CPU %d, "
+ "for address 0x%08lx. Ignoring.\n",
+ smp_processor_id(), addr);
+ pr_emerg("kmmio: previous hit was at 0x%08lx.\n",
+ ctx->addr);
+ goto no_kmmio_ctx;
+ }
+ ctx->active++;
+
+ ctx->fpage = faultpage;
+ ctx->probe = get_kmmio_probe(addr);
+ ctx->saved_flags = (regs->flags & (X86_EFLAGS_TF | X86_EFLAGS_IF));
+ ctx->addr = addr;
+
+ if (ctx->probe && ctx->probe->pre_handler)
+ ctx->probe->pre_handler(ctx->probe, regs, addr);
+
+ /*
+ * Enable single-stepping and disable interrupts for the faulting
+ * context. Local interrupts must not get enabled during stepping.
+ */
+ regs->flags |= X86_EFLAGS_TF;
+ regs->flags &= ~X86_EFLAGS_IF;
+
+ /* Now we set present bit in PTE and single step. */
+ disarm_kmmio_fault_page(ctx->fpage->page, NULL);
+
+ /*
+ * If another cpu accesses the same page while we are stepping,
+ * the access will not be caught. It will simply succeed and the
+ * only downside is we lose the event. If this becomes a problem,
+ * the user should drop to single cpu before tracing.
+ */
+
+ put_cpu_var(kmmio_ctx);
+ return 1; /* fault handled */
+
+no_kmmio_ctx:
+ put_cpu_var(kmmio_ctx);
+no_kmmio:
+ rcu_read_unlock();
+ preempt_enable_no_resched();
+ return ret;
+}
+
+/*
+ * Interrupts are disabled on entry as trap1 is an interrupt gate
+ * and they remain disabled thorough out this function.
+ * This must always get called as the pair to kmmio_handler().
+ */
+static int post_kmmio_handler(unsigned long condition, struct pt_regs *regs)
+{
+ int ret = 0;
+ struct kmmio_context *ctx = &get_cpu_var(kmmio_ctx);
+
+ if (!ctx->active) {
+ pr_debug("kmmio: spurious debug trap on CPU %d.\n",
+ smp_processor_id());
+ goto out;
+ }
+
+ if (ctx->probe && ctx->probe->post_handler)
+ ctx->probe->post_handler(ctx->probe, condition, regs);
+
+ arm_kmmio_fault_page(ctx->fpage->page, NULL);
+
+ regs->flags &= ~X86_EFLAGS_TF;
+ regs->flags |= ctx->saved_flags;
+
+ /* These were acquired in kmmio_handler(). */
+ ctx->active--;
+ BUG_ON(ctx->active);
+ rcu_read_unlock();
+ preempt_enable_no_resched();
+
+ /*
+ * if somebody else is singlestepping across a probe point, flags
+ * will have TF set, in which case, continue the remaining processing
+ * of do_debug, as if this is not a probe hit.
+ */
+ if (!(regs->flags & X86_EFLAGS_TF))
+ ret = 1;
+out:
+ put_cpu_var(kmmio_ctx);
+ return ret;
+}
+
+/* You must be holding kmmio_lock. */
+static int add_kmmio_fault_page(unsigned long page)
+{
+ struct kmmio_fault_page *f;
+
+ page &= PAGE_MASK;
+ f = get_kmmio_fault_page(page);
+ if (f) {
+ if (!f->count)
+ arm_kmmio_fault_page(f->page, NULL);
+ f->count++;
+ return 0;
+ }
+
+ f = kmalloc(sizeof(*f), GFP_ATOMIC);
+ if (!f)
+ return -1;
+
+ f->count = 1;
+ f->page = page;
+ list_add_rcu(&f->list, kmmio_page_list(f->page));
+
+ arm_kmmio_fault_page(f->page, NULL);
+
+ return 0;
+}
+
+/* You must be holding kmmio_lock. */
+static void release_kmmio_fault_page(unsigned long page,
+ struct kmmio_fault_page **release_list)
+{
+ struct kmmio_fault_page *f;
+
+ page &= PAGE_MASK;
+ f = get_kmmio_fault_page(page);
+ if (!f)
+ return;
+
+ f->count--;
+ BUG_ON(f->count < 0);
+ if (!f->count) {
+ disarm_kmmio_fault_page(f->page, NULL);
+ f->release_next = *release_list;
+ *release_list = f;
+ }
+}
+
+/*
+ * With page-unaligned ioremaps, one or two armed pages may contain
+ * addresses from outside the intended mapping. Events for these addresses
+ * are currently silently dropped. The events may result only from programming
+ * mistakes by accessing addresses before the beginning or past the end of a
+ * mapping.
+ */
+int register_kmmio_probe(struct kmmio_probe *p)
+{
+ unsigned long flags;
+ int ret = 0;
+ unsigned long size = 0;
+ const unsigned long size_lim = p->len + (p->addr & ~PAGE_MASK);
+
+ spin_lock_irqsave(&kmmio_lock, flags);
+ if (get_kmmio_probe(p->addr)) {
+ ret = -EEXIST;
+ goto out;
+ }
+ kmmio_count++;
+ list_add_rcu(&p->list, &kmmio_probes);
+ while (size < size_lim) {
+ if (add_kmmio_fault_page(p->addr + size))
+ pr_err("kmmio: Unable to set page fault.\n");
+ size += PAGE_SIZE;
+ }
+out:
+ spin_unlock_irqrestore(&kmmio_lock, flags);
+ /*
+ * XXX: What should I do here?
+ * Here was a call to global_flush_tlb(), but it does not exist
+ * anymore. It seems it's not needed after all.
+ */
+ return ret;
+}
+EXPORT_SYMBOL(register_kmmio_probe);
+
+static void rcu_free_kmmio_fault_pages(struct rcu_head *head)
+{
+ struct kmmio_delayed_release *dr = container_of(
+ head,
+ struct kmmio_delayed_release,
+ rcu);
+ struct kmmio_fault_page *p = dr->release_list;
+ while (p) {
+ struct kmmio_fault_page *next = p->release_next;
+ BUG_ON(p->count);
+ kfree(p);
+ p = next;
+ }
+ kfree(dr);
+}
+
+static void remove_kmmio_fault_pages(struct rcu_head *head)
+{
+ struct kmmio_delayed_release *dr = container_of(
+ head,
+ struct kmmio_delayed_release,
+ rcu);
+ struct kmmio_fault_page *p = dr->release_list;
+ struct kmmio_fault_page **prevp = &dr->release_list;
+ unsigned long flags;
+ spin_lock_irqsave(&kmmio_lock, flags);
+ while (p) {
+ if (!p->count)
+ list_del_rcu(&p->list);
+ else
+ *prevp = p->release_next;
+ prevp = &p->release_next;
+ p = p->release_next;
+ }
+ spin_unlock_irqrestore(&kmmio_lock, flags);
+ /* This is the real RCU destroy call. */
+ call_rcu(&dr->rcu, rcu_free_kmmio_fault_pages);
+}
+
+/*
+ * Remove a kmmio probe. You have to synchronize_rcu() before you can be
+ * sure that the callbacks will not be called anymore. Only after that
+ * you may actually release your struct kmmio_probe.
+ *
+ * Unregistering a kmmio fault page has three steps:
+ * 1. release_kmmio_fault_page()
+ * Disarm the page, wait a grace period to let all faults finish.
+ * 2. remove_kmmio_fault_pages()
+ * Remove the pages from kmmio_page_table.
+ * 3. rcu_free_kmmio_fault_pages()
+ * Actally free the kmmio_fault_page structs as with RCU.
+ */
+void unregister_kmmio_probe(struct kmmio_probe *p)
+{
+ unsigned long flags;
+ unsigned long size = 0;
+ const unsigned long size_lim = p->len + (p->addr & ~PAGE_MASK);
+ struct kmmio_fault_page *release_list = NULL;
+ struct kmmio_delayed_release *drelease;
+
+ spin_lock_irqsave(&kmmio_lock, flags);
+ while (size < size_lim) {
+ release_kmmio_fault_page(p->addr + size, &release_list);
+ size += PAGE_SIZE;
+ }
+ list_del_rcu(&p->list);
+ kmmio_count--;
+ spin_unlock_irqrestore(&kmmio_lock, flags);
+
+ drelease = kmalloc(sizeof(*drelease), GFP_ATOMIC);
+ if (!drelease) {
+ pr_crit("kmmio: leaking kmmio_fault_page objects.\n");
+ return;
+ }
+ drelease->release_list = release_list;
+
+ /*
+ * This is not really RCU here. We have just disarmed a set of
+ * pages so that they cannot trigger page faults anymore. However,
+ * we cannot remove the pages from kmmio_page_table,
+ * because a probe hit might be in flight on another CPU. The
+ * pages are collected into a list, and they will be removed from
+ * kmmio_page_table when it is certain that no probe hit related to
+ * these pages can be in flight. RCU grace period sounds like a
+ * good choice.
+ *
+ * If we removed the pages too early, kmmio page fault handler might
+ * not find the respective kmmio_fault_page and determine it's not
+ * a kmmio fault, when it actually is. This would lead to madness.
+ */
+ call_rcu(&drelease->rcu, remove_kmmio_fault_pages);
+}
+EXPORT_SYMBOL(unregister_kmmio_probe);
+
+static int kmmio_die_notifier(struct notifier_block *nb, unsigned long val,
+ void *args)
+{
+ struct die_args *arg = args;
+
+ if (val == DIE_DEBUG && (arg->err & DR_STEP))
+ if (post_kmmio_handler(arg->err, arg->regs) == 1)
+ return NOTIFY_STOP;
+
+ return NOTIFY_DONE;
+}
+
+static struct notifier_block nb_die = {
+ .notifier_call = kmmio_die_notifier
+};
+
+static int __init init_kmmio(void)
+{
+ int i;
+ for (i = 0; i < KMMIO_PAGE_TABLE_SIZE; i++)
+ INIT_LIST_HEAD(&kmmio_page_table[i]);
+ return register_die_notifier(&nb_die);
+}
+fs_initcall(init_kmmio); /* should be before device_initcall() */
diff --git a/arch/x86/mm/mmio-mod.c b/arch/x86/mm/mmio-mod.c
new file mode 100644
index 00000000000..e7397e108be
--- /dev/null
+++ b/arch/x86/mm/mmio-mod.c
@@ -0,0 +1,515 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * Copyright (C) IBM Corporation, 2005
+ * Jeff Muizelaar, 2006, 2007
+ * Pekka Paalanen, 2008 <pq@iki.fi>
+ *
+ * Derived from the read-mod example from relay-examples by Tom Zanussi.
+ */
+#define DEBUG 1
+
+#include <linux/module.h>
+#include <linux/debugfs.h>
+#include <linux/uaccess.h>
+#include <linux/io.h>
+#include <linux/version.h>
+#include <linux/kallsyms.h>
+#include <asm/pgtable.h>
+#include <linux/mmiotrace.h>
+#include <asm/e820.h> /* for ISA_START_ADDRESS */
+#include <asm/atomic.h>
+#include <linux/percpu.h>
+#include <linux/cpu.h>
+
+#include "pf_in.h"
+
+#define NAME "mmiotrace: "
+
+struct trap_reason {
+ unsigned long addr;
+ unsigned long ip;
+ enum reason_type type;
+ int active_traces;
+};
+
+struct remap_trace {
+ struct list_head list;
+ struct kmmio_probe probe;
+ resource_size_t phys;
+ unsigned long id;
+};
+
+/* Accessed per-cpu. */
+static DEFINE_PER_CPU(struct trap_reason, pf_reason);
+static DEFINE_PER_CPU(struct mmiotrace_rw, cpu_trace);
+
+#if 0 /* XXX: no way gather this info anymore */
+/* Access to this is not per-cpu. */
+static DEFINE_PER_CPU(atomic_t, dropped);
+#endif
+
+static struct dentry *marker_file;
+
+static DEFINE_MUTEX(mmiotrace_mutex);
+static DEFINE_SPINLOCK(trace_lock);
+static atomic_t mmiotrace_enabled;
+static LIST_HEAD(trace_list); /* struct remap_trace */
+
+/*
+ * Locking in this file:
+ * - mmiotrace_mutex enforces enable/disable_mmiotrace() critical sections.
+ * - mmiotrace_enabled may be modified only when holding mmiotrace_mutex
+ * and trace_lock.
+ * - Routines depending on is_enabled() must take trace_lock.
+ * - trace_list users must hold trace_lock.
+ * - is_enabled() guarantees that mmio_trace_record is allowed.
+ * - pre/post callbacks assume the effect of is_enabled() being true.
+ */
+
+/* module parameters */
+static unsigned long filter_offset;
+static int nommiotrace;
+static int trace_pc;
+
+module_param(filter_offset, ulong, 0);
+module_param(nommiotrace, bool, 0);
+module_param(trace_pc, bool, 0);
+
+MODULE_PARM_DESC(filter_offset, "Start address of traced mappings.");
+MODULE_PARM_DESC(nommiotrace, "Disable actual MMIO tracing.");
+MODULE_PARM_DESC(trace_pc, "Record address of faulting instructions.");
+
+static bool is_enabled(void)
+{
+ return atomic_read(&mmiotrace_enabled);
+}
+
+#if 0 /* XXX: needs rewrite */
+/*
+ * Write callback for the debugfs entry:
+ * Read a marker and write it to the mmio trace log
+ */
+static ssize_t write_marker(struct file *file, const char __user *buffer,
+ size_t count, loff_t *ppos)
+{
+ char *event = NULL;
+ struct mm_io_header *headp;
+ ssize_t len = (count > 65535) ? 65535 : count;
+
+ event = kzalloc(sizeof(*headp) + len, GFP_KERNEL);
+ if (!event)
+ return -ENOMEM;
+
+ headp = (struct mm_io_header *)event;
+ headp->type = MMIO_MAGIC | (MMIO_MARKER << MMIO_OPCODE_SHIFT);
+ headp->data_len = len;
+
+ if (copy_from_user(event + sizeof(*headp), buffer, len)) {
+ kfree(event);
+ return -EFAULT;
+ }
+
+ spin_lock_irq(&trace_lock);
+#if 0 /* XXX: convert this to use tracing */
+ if (is_enabled())
+ relay_write(chan, event, sizeof(*headp) + len);
+ else
+#endif
+ len = -EINVAL;
+ spin_unlock_irq(&trace_lock);
+ kfree(event);
+ return len;
+}
+#endif
+
+static void print_pte(unsigned long address)
+{
+ unsigned int level;
+ pte_t *pte = lookup_address(address, &level);
+
+ if (!pte) {
+ pr_err(NAME "Error in %s: no pte for page 0x%08lx\n",
+ __func__, address);
+ return;
+ }
+
+ if (level == PG_LEVEL_2M) {
+ pr_emerg(NAME "4MB pages are not currently supported: "
+ "0x%08lx\n", address);
+ BUG();
+ }
+ pr_info(NAME "pte for 0x%lx: 0x%llx 0x%llx\n", address,
+ (unsigned long long)pte_val(*pte),
+ (unsigned long long)pte_val(*pte) & _PAGE_PRESENT);
+}
+
+/*
+ * For some reason the pre/post pairs have been called in an
+ * unmatched order. Report and die.
+ */
+static void die_kmmio_nesting_error(struct pt_regs *regs, unsigned long addr)
+{
+ const struct trap_reason *my_reason = &get_cpu_var(pf_reason);
+ pr_emerg(NAME "unexpected fault for address: 0x%08lx, "
+ "last fault for address: 0x%08lx\n",
+ addr, my_reason->addr);
+ print_pte(addr);
+ print_symbol(KERN_EMERG "faulting IP is at %s\n", regs->ip);
+ print_symbol(KERN_EMERG "last faulting IP was at %s\n", my_reason->ip);
+#ifdef __i386__
+ pr_emerg("eax: %08lx ebx: %08lx ecx: %08lx edx: %08lx\n",
+ regs->ax, regs->bx, regs->cx, regs->dx);
+ pr_emerg("esi: %08lx edi: %08lx ebp: %08lx esp: %08lx\n",
+ regs->si, regs->di, regs->bp, regs->sp);
+#else
+ pr_emerg("rax: %016lx rcx: %016lx rdx: %016lx\n",
+ regs->ax, regs->cx, regs->dx);
+ pr_emerg("rsi: %016lx rdi: %016lx rbp: %016lx rsp: %016lx\n",
+ regs->si, regs->di, regs->bp, regs->sp);
+#endif
+ put_cpu_var(pf_reason);
+ BUG();
+}
+
+static void pre(struct kmmio_probe *p, struct pt_regs *regs,
+ unsigned long addr)
+{
+ struct trap_reason *my_reason = &get_cpu_var(pf_reason);
+ struct mmiotrace_rw *my_trace = &get_cpu_var(cpu_trace);
+ const unsigned long instptr = instruction_pointer(regs);
+ const enum reason_type type = get_ins_type(instptr);
+ struct remap_trace *trace = p->private;
+
+ /* it doesn't make sense to have more than one active trace per cpu */
+ if (my_reason->active_traces)
+ die_kmmio_nesting_error(regs, addr);
+ else
+ my_reason->active_traces++;
+
+ my_reason->type = type;
+ my_reason->addr = addr;
+ my_reason->ip = instptr;
+
+ my_trace->phys = addr - trace->probe.addr + trace->phys;
+ my_trace->map_id = trace->id;
+
+ /*
+ * Only record the program counter when requested.
+ * It may taint clean-room reverse engineering.
+ */
+ if (trace_pc)
+ my_trace->pc = instptr;
+ else
+ my_trace->pc = 0;
+
+ /*
+ * XXX: the timestamp recorded will be *after* the tracing has been
+ * done, not at the time we hit the instruction. SMP implications
+ * on event ordering?
+ */
+
+ switch (type) {
+ case REG_READ:
+ my_trace->opcode = MMIO_READ;
+ my_trace->width = get_ins_mem_width(instptr);
+ break;
+ case REG_WRITE:
+ my_trace->opcode = MMIO_WRITE;
+ my_trace->width = get_ins_mem_width(instptr);
+ my_trace->value = get_ins_reg_val(instptr, regs);
+ break;
+ case IMM_WRITE:
+ my_trace->opcode = MMIO_WRITE;
+ my_trace->width = get_ins_mem_width(instptr);
+ my_trace->value = get_ins_imm_val(instptr);
+ break;
+ default:
+ {
+ unsigned char *ip = (unsigned char *)instptr;
+ my_trace->opcode = MMIO_UNKNOWN_OP;
+ my_trace->width = 0;
+ my_trace->value = (*ip) << 16 | *(ip + 1) << 8 |
+ *(ip + 2);
+ }
+ }
+ put_cpu_var(cpu_trace);
+ put_cpu_var(pf_reason);
+}
+
+static void post(struct kmmio_probe *p, unsigned long condition,
+ struct pt_regs *regs)
+{
+ struct trap_reason *my_reason = &get_cpu_var(pf_reason);
+ struct mmiotrace_rw *my_trace = &get_cpu_var(cpu_trace);
+
+ /* this should always return the active_trace count to 0 */
+ my_reason->active_traces--;
+ if (my_reason->active_traces) {
+ pr_emerg(NAME "unexpected post handler");
+ BUG();
+ }
+
+ switch (my_reason->type) {
+ case REG_READ:
+ my_trace->value = get_ins_reg_val(my_reason->ip, regs);
+ break;
+ default:
+ break;
+ }
+
+ mmio_trace_rw(my_trace);
+ put_cpu_var(cpu_trace);
+ put_cpu_var(pf_reason);
+}
+
+static void ioremap_trace_core(resource_size_t offset, unsigned long size,
+ void __iomem *addr)
+{
+ static atomic_t next_id;
+ struct remap_trace *trace = kmalloc(sizeof(*trace), GFP_KERNEL);
+ /* These are page-unaligned. */
+ struct mmiotrace_map map = {
+ .phys = offset,
+ .virt = (unsigned long)addr,
+ .len = size,
+ .opcode = MMIO_PROBE
+ };
+
+ if (!trace) {
+ pr_err(NAME "kmalloc failed in ioremap\n");
+ return;
+ }
+
+ *trace = (struct remap_trace) {
+ .probe = {
+ .addr = (unsigned long)addr,
+ .len = size,
+ .pre_handler = pre,
+ .post_handler = post,
+ .private = trace
+ },
+ .phys = offset,
+ .id = atomic_inc_return(&next_id)
+ };
+ map.map_id = trace->id;
+
+ spin_lock_irq(&trace_lock);
+ if (!is_enabled())
+ goto not_enabled;
+
+ mmio_trace_mapping(&map);
+ list_add_tail(&trace->list, &trace_list);
+ if (!nommiotrace)
+ register_kmmio_probe(&trace->probe);
+
+not_enabled:
+ spin_unlock_irq(&trace_lock);
+}
+
+void mmiotrace_ioremap(resource_size_t offset, unsigned long size,
+ void __iomem *addr)
+{
+ if (!is_enabled()) /* recheck and proper locking in *_core() */
+ return;
+
+ pr_debug(NAME "ioremap_*(0x%llx, 0x%lx) = %p\n",
+ (unsigned long long)offset, size, addr);
+ if ((filter_offset) && (offset != filter_offset))
+ return;
+ ioremap_trace_core(offset, size, addr);
+}
+
+static void iounmap_trace_core(volatile void __iomem *addr)
+{
+ struct mmiotrace_map map = {
+ .phys = 0,
+ .virt = (unsigned long)addr,
+ .len = 0,
+ .opcode = MMIO_UNPROBE
+ };
+ struct remap_trace *trace;
+ struct remap_trace *tmp;
+ struct remap_trace *found_trace = NULL;
+
+ pr_debug(NAME "Unmapping %p.\n", addr);
+
+ spin_lock_irq(&trace_lock);
+ if (!is_enabled())
+ goto not_enabled;
+
+ list_for_each_entry_safe(trace, tmp, &trace_list, list) {
+ if ((unsigned long)addr == trace->probe.addr) {
+ if (!nommiotrace)
+ unregister_kmmio_probe(&trace->probe);
+ list_del(&trace->list);
+ found_trace = trace;
+ break;
+ }
+ }
+ map.map_id = (found_trace) ? found_trace->id : -1;
+ mmio_trace_mapping(&map);
+
+not_enabled:
+ spin_unlock_irq(&trace_lock);
+ if (found_trace) {
+ synchronize_rcu(); /* unregister_kmmio_probe() requirement */
+ kfree(found_trace);
+ }
+}
+
+void mmiotrace_iounmap(volatile void __iomem *addr)
+{
+ might_sleep();
+ if (is_enabled()) /* recheck and proper locking in *_core() */
+ iounmap_trace_core(addr);
+}
+
+static void clear_trace_list(void)
+{
+ struct remap_trace *trace;
+ struct remap_trace *tmp;
+
+ /*
+ * No locking required, because the caller ensures we are in a
+ * critical section via mutex, and is_enabled() is false,
+ * i.e. nothing can traverse or modify this list.
+ * Caller also ensures is_enabled() cannot change.
+ */
+ list_for_each_entry(trace, &trace_list, list) {
+ pr_notice(NAME "purging non-iounmapped "
+ "trace @0x%08lx, size 0x%lx.\n",
+ trace->probe.addr, trace->probe.len);
+ if (!nommiotrace)
+ unregister_kmmio_probe(&trace->probe);
+ }
+ synchronize_rcu(); /* unregister_kmmio_probe() requirement */
+
+ list_for_each_entry_safe(trace, tmp, &trace_list, list) {
+ list_del(&trace->list);
+ kfree(trace);
+ }
+}
+
+#ifdef CONFIG_HOTPLUG_CPU
+static cpumask_t downed_cpus;
+
+static void enter_uniprocessor(void)
+{
+ int cpu;
+ int err;
+
+ get_online_cpus();
+ downed_cpus = cpu_online_map;
+ cpu_clear(first_cpu(cpu_online_map), downed_cpus);
+ if (num_online_cpus() > 1)
+ pr_notice(NAME "Disabling non-boot CPUs...\n");
+ put_online_cpus();
+
+ for_each_cpu_mask(cpu, downed_cpus) {
+ err = cpu_down(cpu);
+ if (!err)
+ pr_info(NAME "CPU%d is down.\n", cpu);
+ else
+ pr_err(NAME "Error taking CPU%d down: %d\n", cpu, err);
+ }
+ if (num_online_cpus() > 1)
+ pr_warning(NAME "multiple CPUs still online, "
+ "may miss events.\n");
+}
+
+static void leave_uniprocessor(void)
+{
+ int cpu;
+ int err;
+
+ if (cpus_weight(downed_cpus) == 0)
+ return;
+ pr_notice(NAME "Re-enabling CPUs...\n");
+ for_each_cpu_mask(cpu, downed_cpus) {
+ err = cpu_up(cpu);
+ if (!err)
+ pr_info(NAME "enabled CPU%d.\n", cpu);
+ else
+ pr_err(NAME "cannot re-enable CPU%d: %d\n", cpu, err);
+ }
+}
+
+#else /* !CONFIG_HOTPLUG_CPU */
+static void enter_uniprocessor(void)
+{
+ if (num_online_cpus() > 1)
+ pr_warning(NAME "multiple CPUs are online, may miss events. "
+ "Suggest booting with maxcpus=1 kernel argument.\n");
+}
+
+static void leave_uniprocessor(void)
+{
+}
+#endif
+
+#if 0 /* XXX: out of order */
+static struct file_operations fops_marker = {
+ .owner = THIS_MODULE,
+ .write = write_marker
+};
+#endif
+
+void enable_mmiotrace(void)
+{
+ mutex_lock(&mmiotrace_mutex);
+ if (is_enabled())
+ goto out;
+
+#if 0 /* XXX: tracing does not support text entries */
+ marker_file = debugfs_create_file("marker", 0660, dir, NULL,
+ &fops_marker);
+ if (!marker_file)
+ pr_err(NAME "marker file creation failed.\n");
+#endif
+
+ if (nommiotrace)
+ pr_info(NAME "MMIO tracing disabled.\n");
+ enter_uniprocessor();
+ spin_lock_irq(&trace_lock);
+ atomic_inc(&mmiotrace_enabled);
+ spin_unlock_irq(&trace_lock);
+ pr_info(NAME "enabled.\n");
+out:
+ mutex_unlock(&mmiotrace_mutex);
+}
+
+void disable_mmiotrace(void)
+{
+ mutex_lock(&mmiotrace_mutex);
+ if (!is_enabled())
+ goto out;
+
+ spin_lock_irq(&trace_lock);
+ atomic_dec(&mmiotrace_enabled);
+ BUG_ON(is_enabled());
+ spin_unlock_irq(&trace_lock);
+
+ clear_trace_list(); /* guarantees: no more kmmio callbacks */
+ leave_uniprocessor();
+ if (marker_file) {
+ debugfs_remove(marker_file);
+ marker_file = NULL;
+ }
+
+ pr_info(NAME "disabled.\n");
+out:
+ mutex_unlock(&mmiotrace_mutex);
+}
diff --git a/arch/x86/mm/numa_64.c b/arch/x86/mm/numa_64.c
index c5066d519e5..b432d578177 100644
--- a/arch/x86/mm/numa_64.c
+++ b/arch/x86/mm/numa_64.c
@@ -27,30 +27,17 @@
struct pglist_data *node_data[MAX_NUMNODES] __read_mostly;
EXPORT_SYMBOL(node_data);
-bootmem_data_t plat_node_bdata[MAX_NUMNODES];
+static bootmem_data_t plat_node_bdata[MAX_NUMNODES];
struct memnode memnode;
-#ifdef CONFIG_SMP
-int x86_cpu_to_node_map_init[NR_CPUS] = {
- [0 ... NR_CPUS-1] = NUMA_NO_NODE
-};
-void *x86_cpu_to_node_map_early_ptr;
-EXPORT_SYMBOL(x86_cpu_to_node_map_early_ptr);
-#endif
-DEFINE_PER_CPU(int, x86_cpu_to_node_map) = NUMA_NO_NODE;
-EXPORT_PER_CPU_SYMBOL(x86_cpu_to_node_map);
-
s16 apicid_to_node[MAX_LOCAL_APIC] __cpuinitdata = {
[0 ... MAX_LOCAL_APIC-1] = NUMA_NO_NODE
};
-cpumask_t node_to_cpumask_map[MAX_NUMNODES] __read_mostly;
-EXPORT_SYMBOL(node_to_cpumask_map);
-
int numa_off __initdata;
-unsigned long __initdata nodemap_addr;
-unsigned long __initdata nodemap_size;
+static unsigned long __initdata nodemap_addr;
+static unsigned long __initdata nodemap_size;
/*
* Given a shift value, try to populate memnodemap[]
@@ -99,7 +86,7 @@ static int __init allocate_cachealigned_memnodemap(void)
addr = 0x8000;
nodemap_size = round_up(sizeof(s16) * memnodemapsize, L1_CACHE_BYTES);
- nodemap_addr = find_e820_area(addr, end_pfn<<PAGE_SHIFT,
+ nodemap_addr = find_e820_area(addr, max_pfn<<PAGE_SHIFT,
nodemap_size, L1_CACHE_BYTES);
if (nodemap_addr == -1UL) {
printk(KERN_ERR
@@ -192,7 +179,7 @@ static void * __init early_node_mem(int nodeid, unsigned long start,
void __init setup_node_bootmem(int nodeid, unsigned long start,
unsigned long end)
{
- unsigned long start_pfn, end_pfn, bootmap_pages, bootmap_size;
+ unsigned long start_pfn, last_pfn, bootmap_pages, bootmap_size;
unsigned long bootmap_start, nodedata_phys;
void *bootmap;
const int pgdat_size = round_up(sizeof(pg_data_t), PAGE_SIZE);
@@ -204,7 +191,7 @@ void __init setup_node_bootmem(int nodeid, unsigned long start,
start, end);
start_pfn = start >> PAGE_SHIFT;
- end_pfn = end >> PAGE_SHIFT;
+ last_pfn = end >> PAGE_SHIFT;
node_data[nodeid] = early_node_mem(nodeid, start, end, pgdat_size,
SMP_CACHE_BYTES);
@@ -217,7 +204,7 @@ void __init setup_node_bootmem(int nodeid, unsigned long start,
memset(NODE_DATA(nodeid), 0, sizeof(pg_data_t));
NODE_DATA(nodeid)->bdata = &plat_node_bdata[nodeid];
NODE_DATA(nodeid)->node_start_pfn = start_pfn;
- NODE_DATA(nodeid)->node_spanned_pages = end_pfn - start_pfn;
+ NODE_DATA(nodeid)->node_spanned_pages = last_pfn - start_pfn;
/*
* Find a place for the bootmem map
@@ -226,14 +213,14 @@ void __init setup_node_bootmem(int nodeid, unsigned long start,
* early_node_mem will get that with find_e820_area instead
* of alloc_bootmem, that could clash with reserved range
*/
- bootmap_pages = bootmem_bootmap_pages(end_pfn - start_pfn);
+ bootmap_pages = bootmem_bootmap_pages(last_pfn - start_pfn);
nid = phys_to_nid(nodedata_phys);
if (nid == nodeid)
bootmap_start = round_up(nodedata_phys + pgdat_size, PAGE_SIZE);
else
bootmap_start = round_up(start, PAGE_SIZE);
/*
- * SMP_CAHCE_BYTES could be enough, but init_bootmem_node like
+ * SMP_CACHE_BYTES could be enough, but init_bootmem_node like
* to use that to align to PAGE_SIZE
*/
bootmap = early_node_mem(nodeid, bootmap_start, end,
@@ -248,7 +235,7 @@ void __init setup_node_bootmem(int nodeid, unsigned long start,
bootmap_size = init_bootmem_node(NODE_DATA(nodeid),
bootmap_start >> PAGE_SHIFT,
- start_pfn, end_pfn);
+ start_pfn, last_pfn);
printk(KERN_INFO " bootmap [%016lx - %016lx] pages %lx\n",
bootmap_start, bootmap_start + bootmap_size - 1,
@@ -309,7 +296,7 @@ void __init numa_init_array(void)
#ifdef CONFIG_NUMA_EMU
/* Numa emulation */
-char *cmdline __initdata;
+static char *cmdline __initdata;
/*
* Setups up nid to range from addr to addr + size. If the end
@@ -413,15 +400,15 @@ static int __init split_nodes_by_size(struct bootnode *nodes, u64 *addr,
}
/*
- * Sets up the system RAM area from start_pfn to end_pfn according to the
+ * Sets up the system RAM area from start_pfn to last_pfn according to the
* numa=fake command-line option.
*/
static struct bootnode nodes[MAX_NUMNODES] __initdata;
-static int __init numa_emulation(unsigned long start_pfn, unsigned long end_pfn)
+static int __init numa_emulation(unsigned long start_pfn, unsigned long last_pfn)
{
u64 size, addr = start_pfn << PAGE_SHIFT;
- u64 max_addr = end_pfn << PAGE_SHIFT;
+ u64 max_addr = last_pfn << PAGE_SHIFT;
int num_nodes = 0, num = 0, coeff_flag, coeff = -1, i;
memset(&nodes, 0, sizeof(nodes));
@@ -527,7 +514,7 @@ out:
}
#endif /* CONFIG_NUMA_EMU */
-void __init numa_initmem_init(unsigned long start_pfn, unsigned long end_pfn)
+void __init initmem_init(unsigned long start_pfn, unsigned long last_pfn)
{
int i;
@@ -535,7 +522,7 @@ void __init numa_initmem_init(unsigned long start_pfn, unsigned long end_pfn)
nodes_clear(node_online_map);
#ifdef CONFIG_NUMA_EMU
- if (cmdline && !numa_emulation(start_pfn, end_pfn))
+ if (cmdline && !numa_emulation(start_pfn, last_pfn))
return;
nodes_clear(node_possible_map);
nodes_clear(node_online_map);
@@ -543,7 +530,7 @@ void __init numa_initmem_init(unsigned long start_pfn, unsigned long end_pfn)
#ifdef CONFIG_ACPI_NUMA
if (!numa_off && !acpi_scan_nodes(start_pfn << PAGE_SHIFT,
- end_pfn << PAGE_SHIFT))
+ last_pfn << PAGE_SHIFT))
return;
nodes_clear(node_possible_map);
nodes_clear(node_online_map);
@@ -551,7 +538,7 @@ void __init numa_initmem_init(unsigned long start_pfn, unsigned long end_pfn)
#ifdef CONFIG_K8_NUMA
if (!numa_off && !k8_scan_nodes(start_pfn<<PAGE_SHIFT,
- end_pfn<<PAGE_SHIFT))
+ last_pfn<<PAGE_SHIFT))
return;
nodes_clear(node_possible_map);
nodes_clear(node_online_map);
@@ -561,7 +548,7 @@ void __init numa_initmem_init(unsigned long start_pfn, unsigned long end_pfn)
printk(KERN_INFO "Faking a node at %016lx-%016lx\n",
start_pfn << PAGE_SHIFT,
- end_pfn << PAGE_SHIFT);
+ last_pfn << PAGE_SHIFT);
/* setup dummy node covering all memory */
memnode_shift = 63;
memnodemap = memnode.embedded_map;
@@ -570,29 +557,8 @@ void __init numa_initmem_init(unsigned long start_pfn, unsigned long end_pfn)
node_set(0, node_possible_map);
for (i = 0; i < NR_CPUS; i++)
numa_set_node(i, 0);
- /* cpumask_of_cpu() may not be available during early startup */
- memset(&node_to_cpumask_map[0], 0, sizeof(node_to_cpumask_map[0]));
- cpu_set(0, node_to_cpumask_map[0]);
- e820_register_active_regions(0, start_pfn, end_pfn);
- setup_node_bootmem(0, start_pfn << PAGE_SHIFT, end_pfn << PAGE_SHIFT);
-}
-
-__cpuinit void numa_add_cpu(int cpu)
-{
- set_bit(cpu,
- (unsigned long *)&node_to_cpumask_map[early_cpu_to_node(cpu)]);
-}
-
-void __cpuinit numa_set_node(int cpu, int node)
-{
- int *cpu_to_node_map = x86_cpu_to_node_map_early_ptr;
-
- if(cpu_to_node_map)
- cpu_to_node_map[cpu] = node;
- else if(per_cpu_offset(cpu))
- per_cpu(x86_cpu_to_node_map, cpu) = node;
- else
- Dprintk(KERN_INFO "Setting node for non-present cpu %d\n", cpu);
+ e820_register_active_regions(0, start_pfn, last_pfn);
+ setup_node_bootmem(0, start_pfn << PAGE_SHIFT, last_pfn << PAGE_SHIFT);
}
unsigned long __init numa_free_all_bootmem(void)
@@ -613,7 +579,7 @@ void __init paging_init(void)
memset(max_zone_pfns, 0, sizeof(max_zone_pfns));
max_zone_pfns[ZONE_DMA] = MAX_DMA_PFN;
max_zone_pfns[ZONE_DMA32] = MAX_DMA32_PFN;
- max_zone_pfns[ZONE_NORMAL] = end_pfn;
+ max_zone_pfns[ZONE_NORMAL] = max_pfn;
sparse_memory_present_with_active_regions(MAX_NUMNODES);
sparse_init();
@@ -641,6 +607,7 @@ static __init int numa_setup(char *opt)
}
early_param("numa", numa_setup);
+#ifdef CONFIG_NUMA
/*
* Setup early cpu_to_node.
*
@@ -652,14 +619,19 @@ early_param("numa", numa_setup);
* is already initialized in a round robin manner at numa_init_array,
* prior to this call, and this initialization is good enough
* for the fake NUMA cases.
+ *
+ * Called before the per_cpu areas are setup.
*/
void __init init_cpu_to_node(void)
{
- int i;
+ int cpu;
+ u16 *cpu_to_apicid = early_per_cpu_ptr(x86_cpu_to_apicid);
- for (i = 0; i < NR_CPUS; i++) {
+ BUG_ON(cpu_to_apicid == NULL);
+
+ for_each_possible_cpu(cpu) {
int node;
- u16 apicid = x86_cpu_to_apicid_init[i];
+ u16 apicid = cpu_to_apicid[cpu];
if (apicid == BAD_APICID)
continue;
@@ -668,8 +640,9 @@ void __init init_cpu_to_node(void)
continue;
if (!node_online(node))
continue;
- numa_set_node(i, node);
+ numa_set_node(cpu, node);
}
}
+#endif
diff --git a/arch/x86/mm/pageattr-test.c b/arch/x86/mm/pageattr-test.c
index 75f1b109aae..0dcd42eb94e 100644
--- a/arch/x86/mm/pageattr-test.c
+++ b/arch/x86/mm/pageattr-test.c
@@ -1,8 +1,8 @@
/*
* self test for change_page_attr.
*
- * Clears the global bit on random pages in the direct mapping, then reverts
- * and compares page tables forwards and afterwards.
+ * Clears the a test pte bit on random pages in the direct mapping,
+ * then reverts and compares page tables forwards and afterwards.
*/
#include <linux/bootmem.h>
#include <linux/kthread.h>
@@ -32,6 +32,13 @@ enum {
GPS = (1<<30)
};
+#define PAGE_TESTBIT __pgprot(_PAGE_UNUSED1)
+
+static int pte_testbit(pte_t pte)
+{
+ return pte_flags(pte) & _PAGE_UNUSED1;
+}
+
struct split_state {
long lpg, gpg, spg, exec;
long min_exec, max_exec;
@@ -165,15 +172,14 @@ static int pageattr_test(void)
continue;
}
- err = change_page_attr_clear(addr[i], len[i],
- __pgprot(_PAGE_GLOBAL));
+ err = change_page_attr_set(addr[i], len[i], PAGE_TESTBIT);
if (err < 0) {
printk(KERN_ERR "CPA %d failed %d\n", i, err);
failed++;
}
pte = lookup_address(addr[i], &level);
- if (!pte || pte_global(*pte) || pte_huge(*pte)) {
+ if (!pte || !pte_testbit(*pte) || pte_huge(*pte)) {
printk(KERN_ERR "CPA %lx: bad pte %Lx\n", addr[i],
pte ? (u64)pte_val(*pte) : 0ULL);
failed++;
@@ -198,14 +204,13 @@ static int pageattr_test(void)
failed++;
continue;
}
- err = change_page_attr_set(addr[i], len[i],
- __pgprot(_PAGE_GLOBAL));
+ err = change_page_attr_clear(addr[i], len[i], PAGE_TESTBIT);
if (err < 0) {
printk(KERN_ERR "CPA reverting failed: %d\n", err);
failed++;
}
pte = lookup_address(addr[i], &level);
- if (!pte || !pte_global(*pte)) {
+ if (!pte || pte_testbit(*pte)) {
printk(KERN_ERR "CPA %lx: bad pte after revert %Lx\n",
addr[i], pte ? (u64)pte_val(*pte) : 0ULL);
failed++;
diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c
index 60bcb5b6a37..65c6e46bf05 100644
--- a/arch/x86/mm/pageattr.c
+++ b/arch/x86/mm/pageattr.c
@@ -34,6 +34,41 @@ struct cpa_data {
unsigned force_split : 1;
};
+#ifdef CONFIG_PROC_FS
+static unsigned long direct_pages_count[PG_LEVEL_NUM];
+
+void update_page_count(int level, unsigned long pages)
+{
+ unsigned long flags;
+
+ /* Protect against CPA */
+ spin_lock_irqsave(&pgd_lock, flags);
+ direct_pages_count[level] += pages;
+ spin_unlock_irqrestore(&pgd_lock, flags);
+}
+
+static void split_page_count(int level)
+{
+ direct_pages_count[level]--;
+ direct_pages_count[level - 1] += PTRS_PER_PTE;
+}
+
+int arch_report_meminfo(char *page)
+{
+ int n = sprintf(page, "DirectMap4k: %8lu\n"
+ "DirectMap2M: %8lu\n",
+ direct_pages_count[PG_LEVEL_4K],
+ direct_pages_count[PG_LEVEL_2M]);
+#ifdef CONFIG_X86_64
+ n += sprintf(page + n, "DirectMap1G: %8lu\n",
+ direct_pages_count[PG_LEVEL_1G]);
+#endif
+ return n;
+}
+#else
+static inline void split_page_count(int level) { }
+#endif
+
#ifdef CONFIG_X86_64
static inline unsigned long highmap_start_pfn(void)
@@ -106,7 +141,7 @@ static void cpa_flush_all(unsigned long cache)
{
BUG_ON(irqs_disabled());
- on_each_cpu(__cpa_flush_all, (void *) cache, 1, 1);
+ on_each_cpu(__cpa_flush_all, (void *) cache, 1);
}
static void __cpa_flush_range(void *arg)
@@ -127,7 +162,7 @@ static void cpa_flush_range(unsigned long start, int numpages, int cache)
BUG_ON(irqs_disabled());
WARN_ON(PAGE_ALIGN(start) != start);
- on_each_cpu(__cpa_flush_range, NULL, 1, 1);
+ on_each_cpu(__cpa_flush_range, NULL, 1);
if (!cache)
return;
@@ -227,6 +262,7 @@ pte_t *lookup_address(unsigned long address, unsigned int *level)
return pte_offset_kernel(pmd, address);
}
+EXPORT_SYMBOL_GPL(lookup_address);
/*
* Set the new pmd in all the pgds we know about:
@@ -500,6 +536,16 @@ static int split_large_page(pte_t *kpte, unsigned long address)
for (i = 0; i < PTRS_PER_PTE; i++, pfn += pfninc)
set_pte(&pbase[i], pfn_pte(pfn, ref_prot));
+ if (address >= (unsigned long)__va(0) &&
+ address < (unsigned long)__va(max_low_pfn_mapped << PAGE_SHIFT))
+ split_page_count(level);
+
+#ifdef CONFIG_X86_64
+ if (address >= (unsigned long)__va(1UL<<32) &&
+ address < (unsigned long)__va(max_pfn_mapped << PAGE_SHIFT))
+ split_page_count(level);
+#endif
+
/*
* Install the new, split up pagetable. Important details here:
*
@@ -613,15 +659,24 @@ static int cpa_process_alias(struct cpa_data *cpa)
struct cpa_data alias_cpa;
int ret = 0;
- if (cpa->pfn > max_pfn_mapped)
+ if (cpa->pfn >= max_pfn_mapped)
return 0;
+#ifdef CONFIG_X86_64
+ if (cpa->pfn >= max_low_pfn_mapped && cpa->pfn < (1UL<<(32-PAGE_SHIFT)))
+ return 0;
+#endif
/*
* No need to redo, when the primary call touched the direct
* mapping already:
*/
- if (!within(cpa->vaddr, PAGE_OFFSET,
- PAGE_OFFSET + (max_pfn_mapped << PAGE_SHIFT))) {
+ if (!(within(cpa->vaddr, PAGE_OFFSET,
+ PAGE_OFFSET + (max_low_pfn_mapped << PAGE_SHIFT))
+#ifdef CONFIG_X86_64
+ || within(cpa->vaddr, PAGE_OFFSET + (1UL<<32),
+ PAGE_OFFSET + (max_pfn_mapped << PAGE_SHIFT))
+#endif
+ )) {
alias_cpa = *cpa;
alias_cpa.vaddr = (unsigned long) __va(cpa->pfn << PAGE_SHIFT);
@@ -805,7 +860,7 @@ int _set_memory_wc(unsigned long addr, int numpages)
int set_memory_wc(unsigned long addr, int numpages)
{
- if (!pat_wc_enabled)
+ if (!pat_enabled)
return set_memory_uc(addr, numpages);
if (reserve_memtype(addr, addr + numpages * PAGE_SIZE,
diff --git a/arch/x86/mm/pat.c b/arch/x86/mm/pat.c
index 06b7a1c90fb..d4585077977 100644
--- a/arch/x86/mm/pat.c
+++ b/arch/x86/mm/pat.c
@@ -26,11 +26,11 @@
#include <asm/io.h>
#ifdef CONFIG_X86_PAT
-int __read_mostly pat_wc_enabled = 1;
+int __read_mostly pat_enabled = 1;
void __cpuinit pat_disable(char *reason)
{
- pat_wc_enabled = 0;
+ pat_enabled = 0;
printk(KERN_INFO "%s\n", reason);
}
@@ -42,6 +42,19 @@ static int __init nopat(char *str)
early_param("nopat", nopat);
#endif
+
+static int debug_enable;
+static int __init pat_debug_setup(char *str)
+{
+ debug_enable = 1;
+ return 0;
+}
+__setup("debugpat", pat_debug_setup);
+
+#define dprintk(fmt, arg...) \
+ do { if (debug_enable) printk(KERN_INFO fmt, ##arg); } while (0)
+
+
static u64 __read_mostly boot_pat_state;
enum {
@@ -53,24 +66,25 @@ enum {
PAT_UC_MINUS = 7, /* UC, but can be overriden by MTRR */
};
-#define PAT(x,y) ((u64)PAT_ ## y << ((x)*8))
+#define PAT(x, y) ((u64)PAT_ ## y << ((x)*8))
void pat_init(void)
{
u64 pat;
- if (!pat_wc_enabled)
+ if (!pat_enabled)
return;
/* Paranoia check. */
- if (!cpu_has_pat) {
- printk(KERN_ERR "PAT enabled, but CPU feature cleared\n");
+ if (!cpu_has_pat && boot_pat_state) {
/*
- * Panic if this happens on the secondary CPU, and we
+ * If this happens we are on a secondary CPU, but
* switched to PAT on the boot CPU. We have no way to
* undo PAT.
- */
- BUG_ON(boot_pat_state);
+ */
+ printk(KERN_ERR "PAT enabled, "
+ "but not supported by secondary CPU\n");
+ BUG();
}
/* Set PWT to Write-Combining. All other bits stay the same */
@@ -86,8 +100,8 @@ void pat_init(void)
* 011 UC _PAGE_CACHE_UC
* PAT bit unused
*/
- pat = PAT(0,WB) | PAT(1,WC) | PAT(2,UC_MINUS) | PAT(3,UC) |
- PAT(4,WB) | PAT(5,WC) | PAT(6,UC_MINUS) | PAT(7,UC);
+ pat = PAT(0, WB) | PAT(1, WC) | PAT(2, UC_MINUS) | PAT(3, UC) |
+ PAT(4, WB) | PAT(5, WC) | PAT(6, UC_MINUS) | PAT(7, UC);
/* Boot CPU check */
if (!boot_pat_state)
@@ -103,11 +117,11 @@ void pat_init(void)
static char *cattr_name(unsigned long flags)
{
switch (flags & _PAGE_CACHE_MASK) {
- case _PAGE_CACHE_UC: return "uncached";
- case _PAGE_CACHE_UC_MINUS: return "uncached-minus";
- case _PAGE_CACHE_WB: return "write-back";
- case _PAGE_CACHE_WC: return "write-combining";
- default: return "broken";
+ case _PAGE_CACHE_UC: return "uncached";
+ case _PAGE_CACHE_UC_MINUS: return "uncached-minus";
+ case _PAGE_CACHE_WB: return "write-back";
+ case _PAGE_CACHE_WC: return "write-combining";
+ default: return "broken";
}
}
@@ -145,47 +159,50 @@ static DEFINE_SPINLOCK(memtype_lock); /* protects memtype list */
* The intersection is based on "Effective Memory Type" tables in IA-32
* SDM vol 3a
*/
-static int pat_x_mtrr_type(u64 start, u64 end, unsigned long prot,
- unsigned long *ret_prot)
+static unsigned long pat_x_mtrr_type(u64 start, u64 end, unsigned long req_type)
{
- unsigned long pat_type;
- u8 mtrr_type;
-
- pat_type = prot & _PAGE_CACHE_MASK;
- prot &= (~_PAGE_CACHE_MASK);
-
- /*
- * We return the PAT request directly for types where PAT takes
- * precedence with respect to MTRR and for UC_MINUS.
- * Consistency checks with other PAT requests is done later
- * while going through memtype list.
- */
- if (pat_type == _PAGE_CACHE_WC) {
- *ret_prot = prot | _PAGE_CACHE_WC;
- return 0;
- } else if (pat_type == _PAGE_CACHE_UC_MINUS) {
- *ret_prot = prot | _PAGE_CACHE_UC_MINUS;
- return 0;
- } else if (pat_type == _PAGE_CACHE_UC) {
- *ret_prot = prot | _PAGE_CACHE_UC;
- return 0;
- }
-
/*
* Look for MTRR hint to get the effective type in case where PAT
* request is for WB.
*/
- mtrr_type = mtrr_type_lookup(start, end);
+ if (req_type == _PAGE_CACHE_WB) {
+ u8 mtrr_type;
+
+ mtrr_type = mtrr_type_lookup(start, end);
+ if (mtrr_type == MTRR_TYPE_UNCACHABLE)
+ return _PAGE_CACHE_UC;
+ if (mtrr_type == MTRR_TYPE_WRCOMB)
+ return _PAGE_CACHE_WC;
+ }
- if (mtrr_type == MTRR_TYPE_UNCACHABLE) {
- *ret_prot = prot | _PAGE_CACHE_UC;
- } else if (mtrr_type == MTRR_TYPE_WRCOMB) {
- *ret_prot = prot | _PAGE_CACHE_WC;
- } else {
- *ret_prot = prot | _PAGE_CACHE_WB;
+ return req_type;
+}
+
+static int chk_conflict(struct memtype *new, struct memtype *entry,
+ unsigned long *type)
+{
+ if (new->type != entry->type) {
+ if (type) {
+ new->type = entry->type;
+ *type = entry->type;
+ } else
+ goto conflict;
}
+ /* check overlaps with more than one entry in the list */
+ list_for_each_entry_continue(entry, &memtype_list, nd) {
+ if (new->end <= entry->start)
+ break;
+ else if (new->type != entry->type)
+ goto conflict;
+ }
return 0;
+
+ conflict:
+ printk(KERN_INFO "%s:%d conflicting memory types "
+ "%Lx-%Lx %s<->%s\n", current->comm, current->pid, new->start,
+ new->end, cattr_name(new->type), cattr_name(entry->type));
+ return -EBUSY;
}
/*
@@ -198,37 +215,36 @@ static int pat_x_mtrr_type(u64 start, u64 end, unsigned long prot,
* req_type will have a special case value '-1', when requester want to inherit
* the memory type from mtrr (if WB), existing PAT, defaulting to UC_MINUS.
*
- * If ret_type is NULL, function will return an error if it cannot reserve the
- * region with req_type. If ret_type is non-null, function will return
- * available type in ret_type in case of no error. In case of any error
+ * If new_type is NULL, function will return an error if it cannot reserve the
+ * region with req_type. If new_type is non-NULL, function will return
+ * available type in new_type in case of no error. In case of any error
* it will return a negative return value.
*/
int reserve_memtype(u64 start, u64 end, unsigned long req_type,
- unsigned long *ret_type)
+ unsigned long *new_type)
{
- struct memtype *new_entry = NULL;
- struct memtype *parse;
+ struct memtype *new, *entry;
unsigned long actual_type;
+ struct list_head *where;
int err = 0;
- /* Only track when pat_wc_enabled */
- if (!pat_wc_enabled) {
+ BUG_ON(start >= end); /* end is exclusive */
+
+ if (!pat_enabled) {
/* This is identical to page table setting without PAT */
- if (ret_type) {
- if (req_type == -1) {
- *ret_type = _PAGE_CACHE_WB;
- } else {
- *ret_type = req_type;
- }
+ if (new_type) {
+ if (req_type == -1)
+ *new_type = _PAGE_CACHE_WB;
+ else
+ *new_type = req_type & _PAGE_CACHE_MASK;
}
return 0;
}
/* Low ISA region is always mapped WB in page table. No need to track */
- if (start >= ISA_START_ADDRESS && (end - 1) <= ISA_END_ADDRESS) {
- if (ret_type)
- *ret_type = _PAGE_CACHE_WB;
-
+ if (is_ISA_range(start, end - 1)) {
+ if (new_type)
+ *new_type = _PAGE_CACHE_WB;
return 0;
}
@@ -241,206 +257,92 @@ int reserve_memtype(u64 start, u64 end, unsigned long req_type,
*/
u8 mtrr_type = mtrr_type_lookup(start, end);
- if (mtrr_type == MTRR_TYPE_WRBACK) {
- req_type = _PAGE_CACHE_WB;
+ if (mtrr_type == MTRR_TYPE_WRBACK)
actual_type = _PAGE_CACHE_WB;
- } else {
- req_type = _PAGE_CACHE_UC_MINUS;
+ else
actual_type = _PAGE_CACHE_UC_MINUS;
- }
- } else {
- req_type &= _PAGE_CACHE_MASK;
- err = pat_x_mtrr_type(start, end, req_type, &actual_type);
- }
-
- if (err) {
- if (ret_type)
- *ret_type = actual_type;
-
- return -EINVAL;
- }
+ } else
+ actual_type = pat_x_mtrr_type(start, end,
+ req_type & _PAGE_CACHE_MASK);
- new_entry = kmalloc(sizeof(struct memtype), GFP_KERNEL);
- if (!new_entry)
+ new = kmalloc(sizeof(struct memtype), GFP_KERNEL);
+ if (!new)
return -ENOMEM;
- new_entry->start = start;
- new_entry->end = end;
- new_entry->type = actual_type;
+ new->start = start;
+ new->end = end;
+ new->type = actual_type;
- if (ret_type)
- *ret_type = actual_type;
+ if (new_type)
+ *new_type = actual_type;
spin_lock(&memtype_lock);
/* Search for existing mapping that overlaps the current range */
- list_for_each_entry(parse, &memtype_list, nd) {
- struct memtype *saved_ptr;
-
- if (parse->start >= end) {
- pr_debug("New Entry\n");
- list_add(&new_entry->nd, parse->nd.prev);
- new_entry = NULL;
+ where = NULL;
+ list_for_each_entry(entry, &memtype_list, nd) {
+ if (end <= entry->start) {
+ where = entry->nd.prev;
break;
- }
-
- if (start <= parse->start && end >= parse->start) {
- if (actual_type != parse->type && ret_type) {
- actual_type = parse->type;
- *ret_type = actual_type;
- new_entry->type = actual_type;
- }
-
- if (actual_type != parse->type) {
- printk(
- KERN_INFO "%s:%d conflicting memory types %Lx-%Lx %s<->%s\n",
- current->comm, current->pid,
- start, end,
- cattr_name(actual_type),
- cattr_name(parse->type));
- err = -EBUSY;
- break;
+ } else if (start <= entry->start) { /* end > entry->start */
+ err = chk_conflict(new, entry, new_type);
+ if (!err) {
+ dprintk("Overlap at 0x%Lx-0x%Lx\n",
+ entry->start, entry->end);
+ where = entry->nd.prev;
}
-
- saved_ptr = parse;
- /*
- * Check to see whether the request overlaps more
- * than one entry in the list
- */
- list_for_each_entry_continue(parse, &memtype_list, nd) {
- if (end <= parse->start) {
- break;
- }
-
- if (actual_type != parse->type) {
- printk(
- KERN_INFO "%s:%d conflicting memory types %Lx-%Lx %s<->%s\n",
- current->comm, current->pid,
- start, end,
- cattr_name(actual_type),
- cattr_name(parse->type));
- err = -EBUSY;
- break;
- }
- }
-
- if (err) {
- break;
- }
-
- pr_debug("Overlap at 0x%Lx-0x%Lx\n",
- saved_ptr->start, saved_ptr->end);
- /* No conflict. Go ahead and add this new entry */
- list_add(&new_entry->nd, saved_ptr->nd.prev);
- new_entry = NULL;
break;
- }
-
- if (start < parse->end) {
- if (actual_type != parse->type && ret_type) {
- actual_type = parse->type;
- *ret_type = actual_type;
- new_entry->type = actual_type;
- }
-
- if (actual_type != parse->type) {
- printk(
- KERN_INFO "%s:%d conflicting memory types %Lx-%Lx %s<->%s\n",
- current->comm, current->pid,
- start, end,
- cattr_name(actual_type),
- cattr_name(parse->type));
- err = -EBUSY;
- break;
- }
-
- saved_ptr = parse;
- /*
- * Check to see whether the request overlaps more
- * than one entry in the list
- */
- list_for_each_entry_continue(parse, &memtype_list, nd) {
- if (end <= parse->start) {
- break;
- }
-
- if (actual_type != parse->type) {
- printk(
- KERN_INFO "%s:%d conflicting memory types %Lx-%Lx %s<->%s\n",
- current->comm, current->pid,
- start, end,
- cattr_name(actual_type),
- cattr_name(parse->type));
- err = -EBUSY;
- break;
- }
- }
-
- if (err) {
- break;
+ } else if (start < entry->end) { /* start > entry->start */
+ err = chk_conflict(new, entry, new_type);
+ if (!err) {
+ dprintk("Overlap at 0x%Lx-0x%Lx\n",
+ entry->start, entry->end);
+ where = &entry->nd;
}
-
- pr_debug(KERN_INFO "Overlap at 0x%Lx-0x%Lx\n",
- saved_ptr->start, saved_ptr->end);
- /* No conflict. Go ahead and add this new entry */
- list_add(&new_entry->nd, &saved_ptr->nd);
- new_entry = NULL;
break;
}
}
if (err) {
- printk(KERN_INFO
- "reserve_memtype failed 0x%Lx-0x%Lx, track %s, req %s\n",
- start, end, cattr_name(new_entry->type),
- cattr_name(req_type));
- kfree(new_entry);
+ printk(KERN_INFO "reserve_memtype failed 0x%Lx-0x%Lx, "
+ "track %s, req %s\n",
+ start, end, cattr_name(new->type), cattr_name(req_type));
+ kfree(new);
spin_unlock(&memtype_lock);
return err;
}
- if (new_entry) {
- /* No conflict. Not yet added to the list. Add to the tail */
- list_add_tail(&new_entry->nd, &memtype_list);
- pr_debug("New Entry\n");
- }
-
- if (ret_type) {
- pr_debug(
- "reserve_memtype added 0x%Lx-0x%Lx, track %s, req %s, ret %s\n",
- start, end, cattr_name(actual_type),
- cattr_name(req_type), cattr_name(*ret_type));
- } else {
- pr_debug(
- "reserve_memtype added 0x%Lx-0x%Lx, track %s, req %s\n",
- start, end, cattr_name(actual_type),
- cattr_name(req_type));
- }
+ if (where)
+ list_add(&new->nd, where);
+ else
+ list_add_tail(&new->nd, &memtype_list);
spin_unlock(&memtype_lock);
+
+ dprintk("reserve_memtype added 0x%Lx-0x%Lx, track %s, req %s, ret %s\n",
+ start, end, cattr_name(new->type), cattr_name(req_type),
+ new_type ? cattr_name(*new_type) : "-");
+
return err;
}
int free_memtype(u64 start, u64 end)
{
- struct memtype *ml;
+ struct memtype *entry;
int err = -EINVAL;
- /* Only track when pat_wc_enabled */
- if (!pat_wc_enabled) {
+ if (!pat_enabled)
return 0;
- }
/* Low ISA region is always mapped WB. No need to track */
- if (start >= ISA_START_ADDRESS && end <= ISA_END_ADDRESS) {
+ if (is_ISA_range(start, end - 1))
return 0;
- }
spin_lock(&memtype_lock);
- list_for_each_entry(ml, &memtype_list, nd) {
- if (ml->start == start && ml->end == end) {
- list_del(&ml->nd);
- kfree(ml);
+ list_for_each_entry(entry, &memtype_list, nd) {
+ if (entry->start == start && entry->end == end) {
+ list_del(&entry->nd);
+ kfree(entry);
err = 0;
break;
}
@@ -452,7 +354,7 @@ int free_memtype(u64 start, u64 end)
current->comm, current->pid, start, end);
}
- pr_debug("free_memtype request 0x%Lx-0x%Lx\n", start, end);
+ dprintk("free_memtype request 0x%Lx-0x%Lx\n", start, end);
return err;
}
@@ -521,12 +423,12 @@ int phys_mem_access_prot_allowed(struct file *file, unsigned long pfn,
* caching for the high addresses through the KEN pin, but
* we maintain the tradition of paranoia in this code.
*/
- if (!pat_wc_enabled &&
- ! ( test_bit(X86_FEATURE_MTRR, boot_cpu_data.x86_capability) ||
- test_bit(X86_FEATURE_K6_MTRR, boot_cpu_data.x86_capability) ||
- test_bit(X86_FEATURE_CYRIX_ARR, boot_cpu_data.x86_capability) ||
- test_bit(X86_FEATURE_CENTAUR_MCR, boot_cpu_data.x86_capability)) &&
- (pfn << PAGE_SHIFT) >= __pa(high_memory)) {
+ if (!pat_enabled &&
+ !(boot_cpu_has(X86_FEATURE_MTRR) ||
+ boot_cpu_has(X86_FEATURE_K6_MTRR) ||
+ boot_cpu_has(X86_FEATURE_CYRIX_ARR) ||
+ boot_cpu_has(X86_FEATURE_CENTAUR_MCR)) &&
+ (pfn << PAGE_SHIFT) >= __pa(high_memory)) {
flags = _PAGE_CACHE_UC;
}
#endif
@@ -547,8 +449,9 @@ int phys_mem_access_prot_allowed(struct file *file, unsigned long pfn,
if (retval < 0)
return 0;
- if (pfn <= max_pfn_mapped &&
- ioremap_change_attr((unsigned long)__va(offset), size, flags) < 0) {
+ if (((pfn < max_low_pfn_mapped) ||
+ (pfn >= (1UL<<(32 - PAGE_SHIFT)) && pfn < max_pfn_mapped)) &&
+ ioremap_change_attr((unsigned long)__va(offset), size, flags) < 0) {
free_memtype(offset, offset + size);
printk(KERN_INFO
"%s:%d /dev/mem ioremap_change_attr failed %s for %Lx-%Lx\n",
@@ -586,4 +489,3 @@ void unmap_devmem(unsigned long pfn, unsigned long size, pgprot_t vma_prot)
free_memtype(addr, addr + size);
}
-
diff --git a/arch/x86/mm/pf_in.c b/arch/x86/mm/pf_in.c
new file mode 100644
index 00000000000..efa1911e20c
--- /dev/null
+++ b/arch/x86/mm/pf_in.c
@@ -0,0 +1,489 @@
+/*
+ * Fault Injection Test harness (FI)
+ * Copyright (C) Intel Crop.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+ * USA.
+ *
+ */
+
+/* Id: pf_in.c,v 1.1.1.1 2002/11/12 05:56:32 brlock Exp
+ * Copyright by Intel Crop., 2002
+ * Louis Zhuang (louis.zhuang@intel.com)
+ *
+ * Bjorn Steinbrink (B.Steinbrink@gmx.de), 2007
+ */
+
+#include <linux/module.h>
+#include <linux/ptrace.h> /* struct pt_regs */
+#include "pf_in.h"
+
+#ifdef __i386__
+/* IA32 Manual 3, 2-1 */
+static unsigned char prefix_codes[] = {
+ 0xF0, 0xF2, 0xF3, 0x2E, 0x36, 0x3E, 0x26, 0x64,
+ 0x65, 0x2E, 0x3E, 0x66, 0x67
+};
+/* IA32 Manual 3, 3-432*/
+static unsigned int reg_rop[] = {
+ 0x8A, 0x8B, 0xB60F, 0xB70F, 0xBE0F, 0xBF0F
+};
+static unsigned int reg_wop[] = { 0x88, 0x89 };
+static unsigned int imm_wop[] = { 0xC6, 0xC7 };
+/* IA32 Manual 3, 3-432*/
+static unsigned int rw8[] = { 0x88, 0x8A, 0xC6 };
+static unsigned int rw32[] = {
+ 0x89, 0x8B, 0xC7, 0xB60F, 0xB70F, 0xBE0F, 0xBF0F
+};
+static unsigned int mw8[] = { 0x88, 0x8A, 0xC6, 0xB60F, 0xBE0F };
+static unsigned int mw16[] = { 0xB70F, 0xBF0F };
+static unsigned int mw32[] = { 0x89, 0x8B, 0xC7 };
+static unsigned int mw64[] = {};
+#else /* not __i386__ */
+static unsigned char prefix_codes[] = {
+ 0x66, 0x67, 0x2E, 0x3E, 0x26, 0x64, 0x65, 0x36,
+ 0xF0, 0xF3, 0xF2,
+ /* REX Prefixes */
+ 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
+ 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f
+};
+/* AMD64 Manual 3, Appendix A*/
+static unsigned int reg_rop[] = {
+ 0x8A, 0x8B, 0xB60F, 0xB70F, 0xBE0F, 0xBF0F
+};
+static unsigned int reg_wop[] = { 0x88, 0x89 };
+static unsigned int imm_wop[] = { 0xC6, 0xC7 };
+static unsigned int rw8[] = { 0xC6, 0x88, 0x8A };
+static unsigned int rw32[] = {
+ 0xC7, 0x89, 0x8B, 0xB60F, 0xB70F, 0xBE0F, 0xBF0F
+};
+/* 8 bit only */
+static unsigned int mw8[] = { 0xC6, 0x88, 0x8A, 0xB60F, 0xBE0F };
+/* 16 bit only */
+static unsigned int mw16[] = { 0xB70F, 0xBF0F };
+/* 16 or 32 bit */
+static unsigned int mw32[] = { 0xC7 };
+/* 16, 32 or 64 bit */
+static unsigned int mw64[] = { 0x89, 0x8B };
+#endif /* not __i386__ */
+
+static int skip_prefix(unsigned char *addr, int *shorted, int *enlarged,
+ int *rexr)
+{
+ int i;
+ unsigned char *p = addr;
+ *shorted = 0;
+ *enlarged = 0;
+ *rexr = 0;
+
+restart:
+ for (i = 0; i < ARRAY_SIZE(prefix_codes); i++) {
+ if (*p == prefix_codes[i]) {
+ if (*p == 0x66)
+ *shorted = 1;
+#ifdef __amd64__
+ if ((*p & 0xf8) == 0x48)
+ *enlarged = 1;
+ if ((*p & 0xf4) == 0x44)
+ *rexr = 1;
+#endif
+ p++;
+ goto restart;
+ }
+ }
+
+ return (p - addr);
+}
+
+static int get_opcode(unsigned char *addr, unsigned int *opcode)
+{
+ int len;
+
+ if (*addr == 0x0F) {
+ /* 0x0F is extension instruction */
+ *opcode = *(unsigned short *)addr;
+ len = 2;
+ } else {
+ *opcode = *addr;
+ len = 1;
+ }
+
+ return len;
+}
+
+#define CHECK_OP_TYPE(opcode, array, type) \
+ for (i = 0; i < ARRAY_SIZE(array); i++) { \
+ if (array[i] == opcode) { \
+ rv = type; \
+ goto exit; \
+ } \
+ }
+
+enum reason_type get_ins_type(unsigned long ins_addr)
+{
+ unsigned int opcode;
+ unsigned char *p;
+ int shorted, enlarged, rexr;
+ int i;
+ enum reason_type rv = OTHERS;
+
+ p = (unsigned char *)ins_addr;
+ p += skip_prefix(p, &shorted, &enlarged, &rexr);
+ p += get_opcode(p, &opcode);
+
+ CHECK_OP_TYPE(opcode, reg_rop, REG_READ);
+ CHECK_OP_TYPE(opcode, reg_wop, REG_WRITE);
+ CHECK_OP_TYPE(opcode, imm_wop, IMM_WRITE);
+
+exit:
+ return rv;
+}
+#undef CHECK_OP_TYPE
+
+static unsigned int get_ins_reg_width(unsigned long ins_addr)
+{
+ unsigned int opcode;
+ unsigned char *p;
+ int i, shorted, enlarged, rexr;
+
+ p = (unsigned char *)ins_addr;
+ p += skip_prefix(p, &shorted, &enlarged, &rexr);
+ p += get_opcode(p, &opcode);
+
+ for (i = 0; i < ARRAY_SIZE(rw8); i++)
+ if (rw8[i] == opcode)
+ return 1;
+
+ for (i = 0; i < ARRAY_SIZE(rw32); i++)
+ if (rw32[i] == opcode)
+ return (shorted ? 2 : (enlarged ? 8 : 4));
+
+ printk(KERN_ERR "mmiotrace: Unknown opcode 0x%02x\n", opcode);
+ return 0;
+}
+
+unsigned int get_ins_mem_width(unsigned long ins_addr)
+{
+ unsigned int opcode;
+ unsigned char *p;
+ int i, shorted, enlarged, rexr;
+
+ p = (unsigned char *)ins_addr;
+ p += skip_prefix(p, &shorted, &enlarged, &rexr);
+ p += get_opcode(p, &opcode);
+
+ for (i = 0; i < ARRAY_SIZE(mw8); i++)
+ if (mw8[i] == opcode)
+ return 1;
+
+ for (i = 0; i < ARRAY_SIZE(mw16); i++)
+ if (mw16[i] == opcode)
+ return 2;
+
+ for (i = 0; i < ARRAY_SIZE(mw32); i++)
+ if (mw32[i] == opcode)
+ return shorted ? 2 : 4;
+
+ for (i = 0; i < ARRAY_SIZE(mw64); i++)
+ if (mw64[i] == opcode)
+ return shorted ? 2 : (enlarged ? 8 : 4);
+
+ printk(KERN_ERR "mmiotrace: Unknown opcode 0x%02x\n", opcode);
+ return 0;
+}
+
+/*
+ * Define register ident in mod/rm byte.
+ * Note: these are NOT the same as in ptrace-abi.h.
+ */
+enum {
+ arg_AL = 0,
+ arg_CL = 1,
+ arg_DL = 2,
+ arg_BL = 3,
+ arg_AH = 4,
+ arg_CH = 5,
+ arg_DH = 6,
+ arg_BH = 7,
+
+ arg_AX = 0,
+ arg_CX = 1,
+ arg_DX = 2,
+ arg_BX = 3,
+ arg_SP = 4,
+ arg_BP = 5,
+ arg_SI = 6,
+ arg_DI = 7,
+#ifdef __amd64__
+ arg_R8 = 8,
+ arg_R9 = 9,
+ arg_R10 = 10,
+ arg_R11 = 11,
+ arg_R12 = 12,
+ arg_R13 = 13,
+ arg_R14 = 14,
+ arg_R15 = 15
+#endif
+};
+
+static unsigned char *get_reg_w8(int no, struct pt_regs *regs)
+{
+ unsigned char *rv = NULL;
+
+ switch (no) {
+ case arg_AL:
+ rv = (unsigned char *)&regs->ax;
+ break;
+ case arg_BL:
+ rv = (unsigned char *)&regs->bx;
+ break;
+ case arg_CL:
+ rv = (unsigned char *)&regs->cx;
+ break;
+ case arg_DL:
+ rv = (unsigned char *)&regs->dx;
+ break;
+ case arg_AH:
+ rv = 1 + (unsigned char *)&regs->ax;
+ break;
+ case arg_BH:
+ rv = 1 + (unsigned char *)&regs->bx;
+ break;
+ case arg_CH:
+ rv = 1 + (unsigned char *)&regs->cx;
+ break;
+ case arg_DH:
+ rv = 1 + (unsigned char *)&regs->dx;
+ break;
+#ifdef __amd64__
+ case arg_R8:
+ rv = (unsigned char *)&regs->r8;
+ break;
+ case arg_R9:
+ rv = (unsigned char *)&regs->r9;
+ break;
+ case arg_R10:
+ rv = (unsigned char *)&regs->r10;
+ break;
+ case arg_R11:
+ rv = (unsigned char *)&regs->r11;
+ break;
+ case arg_R12:
+ rv = (unsigned char *)&regs->r12;
+ break;
+ case arg_R13:
+ rv = (unsigned char *)&regs->r13;
+ break;
+ case arg_R14:
+ rv = (unsigned char *)&regs->r14;
+ break;
+ case arg_R15:
+ rv = (unsigned char *)&regs->r15;
+ break;
+#endif
+ default:
+ printk(KERN_ERR "mmiotrace: Error reg no# %d\n", no);
+ break;
+ }
+ return rv;
+}
+
+static unsigned long *get_reg_w32(int no, struct pt_regs *regs)
+{
+ unsigned long *rv = NULL;
+
+ switch (no) {
+ case arg_AX:
+ rv = &regs->ax;
+ break;
+ case arg_BX:
+ rv = &regs->bx;
+ break;
+ case arg_CX:
+ rv = &regs->cx;
+ break;
+ case arg_DX:
+ rv = &regs->dx;
+ break;
+ case arg_SP:
+ rv = &regs->sp;
+ break;
+ case arg_BP:
+ rv = &regs->bp;
+ break;
+ case arg_SI:
+ rv = &regs->si;
+ break;
+ case arg_DI:
+ rv = &regs->di;
+ break;
+#ifdef __amd64__
+ case arg_R8:
+ rv = &regs->r8;
+ break;
+ case arg_R9:
+ rv = &regs->r9;
+ break;
+ case arg_R10:
+ rv = &regs->r10;
+ break;
+ case arg_R11:
+ rv = &regs->r11;
+ break;
+ case arg_R12:
+ rv = &regs->r12;
+ break;
+ case arg_R13:
+ rv = &regs->r13;
+ break;
+ case arg_R14:
+ rv = &regs->r14;
+ break;
+ case arg_R15:
+ rv = &regs->r15;
+ break;
+#endif
+ default:
+ printk(KERN_ERR "mmiotrace: Error reg no# %d\n", no);
+ }
+
+ return rv;
+}
+
+unsigned long get_ins_reg_val(unsigned long ins_addr, struct pt_regs *regs)
+{
+ unsigned int opcode;
+ unsigned char mod_rm;
+ int reg;
+ unsigned char *p;
+ int i, shorted, enlarged, rexr;
+ unsigned long rv;
+
+ p = (unsigned char *)ins_addr;
+ p += skip_prefix(p, &shorted, &enlarged, &rexr);
+ p += get_opcode(p, &opcode);
+ for (i = 0; i < ARRAY_SIZE(reg_rop); i++)
+ if (reg_rop[i] == opcode) {
+ rv = REG_READ;
+ goto do_work;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(reg_wop); i++)
+ if (reg_wop[i] == opcode) {
+ rv = REG_WRITE;
+ goto do_work;
+ }
+
+ printk(KERN_ERR "mmiotrace: Not a register instruction, opcode "
+ "0x%02x\n", opcode);
+ goto err;
+
+do_work:
+ mod_rm = *p;
+ reg = ((mod_rm >> 3) & 0x7) | (rexr << 3);
+ switch (get_ins_reg_width(ins_addr)) {
+ case 1:
+ return *get_reg_w8(reg, regs);
+
+ case 2:
+ return *(unsigned short *)get_reg_w32(reg, regs);
+
+ case 4:
+ return *(unsigned int *)get_reg_w32(reg, regs);
+
+#ifdef __amd64__
+ case 8:
+ return *(unsigned long *)get_reg_w32(reg, regs);
+#endif
+
+ default:
+ printk(KERN_ERR "mmiotrace: Error width# %d\n", reg);
+ }
+
+err:
+ return 0;
+}
+
+unsigned long get_ins_imm_val(unsigned long ins_addr)
+{
+ unsigned int opcode;
+ unsigned char mod_rm;
+ unsigned char mod;
+ unsigned char *p;
+ int i, shorted, enlarged, rexr;
+ unsigned long rv;
+
+ p = (unsigned char *)ins_addr;
+ p += skip_prefix(p, &shorted, &enlarged, &rexr);
+ p += get_opcode(p, &opcode);
+ for (i = 0; i < ARRAY_SIZE(imm_wop); i++)
+ if (imm_wop[i] == opcode) {
+ rv = IMM_WRITE;
+ goto do_work;
+ }
+
+ printk(KERN_ERR "mmiotrace: Not an immediate instruction, opcode "
+ "0x%02x\n", opcode);
+ goto err;
+
+do_work:
+ mod_rm = *p;
+ mod = mod_rm >> 6;
+ p++;
+ switch (mod) {
+ case 0:
+ /* if r/m is 5 we have a 32 disp (IA32 Manual 3, Table 2-2) */
+ /* AMD64: XXX Check for address size prefix? */
+ if ((mod_rm & 0x7) == 0x5)
+ p += 4;
+ break;
+
+ case 1:
+ p += 1;
+ break;
+
+ case 2:
+ p += 4;
+ break;
+
+ case 3:
+ default:
+ printk(KERN_ERR "mmiotrace: not a memory access instruction "
+ "at 0x%lx, rm_mod=0x%02x\n",
+ ins_addr, mod_rm);
+ }
+
+ switch (get_ins_reg_width(ins_addr)) {
+ case 1:
+ return *(unsigned char *)p;
+
+ case 2:
+ return *(unsigned short *)p;
+
+ case 4:
+ return *(unsigned int *)p;
+
+#ifdef __amd64__
+ case 8:
+ return *(unsigned long *)p;
+#endif
+
+ default:
+ printk(KERN_ERR "mmiotrace: Error: width.\n");
+ }
+
+err:
+ return 0;
+}
diff --git a/arch/x86/mm/pf_in.h b/arch/x86/mm/pf_in.h
new file mode 100644
index 00000000000..e05341a51a2
--- /dev/null
+++ b/arch/x86/mm/pf_in.h
@@ -0,0 +1,39 @@
+/*
+ * Fault Injection Test harness (FI)
+ * Copyright (C) Intel Crop.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+ * USA.
+ *
+ */
+
+#ifndef __PF_H_
+#define __PF_H_
+
+enum reason_type {
+ NOT_ME, /* page fault is not in regions */
+ NOTHING, /* access others point in regions */
+ REG_READ, /* read from addr to reg */
+ REG_WRITE, /* write from reg to addr */
+ IMM_WRITE, /* write from imm to addr */
+ OTHERS /* Other instructions can not intercept */
+};
+
+enum reason_type get_ins_type(unsigned long ins_addr);
+unsigned int get_ins_mem_width(unsigned long ins_addr);
+unsigned long get_ins_reg_val(unsigned long ins_addr, struct pt_regs *regs);
+unsigned long get_ins_imm_val(unsigned long ins_addr);
+
+#endif /* __PF_H_ */
diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c
index 50159764f69..557b2abceef 100644
--- a/arch/x86/mm/pgtable.c
+++ b/arch/x86/mm/pgtable.c
@@ -2,6 +2,7 @@
#include <asm/pgalloc.h>
#include <asm/pgtable.h>
#include <asm/tlb.h>
+#include <asm/fixmap.h>
pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address)
{
@@ -65,12 +66,6 @@ static inline void pgd_list_del(pgd_t *pgd)
static void pgd_ctor(void *p)
{
pgd_t *pgd = p;
- unsigned long flags;
-
- /* Clear usermode parts of PGD */
- memset(pgd, 0, KERNEL_PGD_BOUNDARY*sizeof(pgd_t));
-
- spin_lock_irqsave(&pgd_lock, flags);
/* If the pgd points to a shared pagetable level (either the
ptes in non-PAE, or shared PMD in PAE), then just copy the
@@ -90,8 +85,6 @@ static void pgd_ctor(void *p)
/* list required to sync kernel mapping updates */
if (!SHARED_KERNEL_PMD)
pgd_list_add(pgd);
-
- spin_unlock_irqrestore(&pgd_lock, flags);
}
static void pgd_dtor(void *pgd)
@@ -119,6 +112,72 @@ static void pgd_dtor(void *pgd)
#ifdef CONFIG_X86_PAE
/*
+ * In PAE mode, we need to do a cr3 reload (=tlb flush) when
+ * updating the top-level pagetable entries to guarantee the
+ * processor notices the update. Since this is expensive, and
+ * all 4 top-level entries are used almost immediately in a
+ * new process's life, we just pre-populate them here.
+ *
+ * Also, if we're in a paravirt environment where the kernel pmd is
+ * not shared between pagetables (!SHARED_KERNEL_PMDS), we allocate
+ * and initialize the kernel pmds here.
+ */
+#define PREALLOCATED_PMDS UNSHARED_PTRS_PER_PGD
+
+void pud_populate(struct mm_struct *mm, pud_t *pudp, pmd_t *pmd)
+{
+ paravirt_alloc_pmd(mm, __pa(pmd) >> PAGE_SHIFT);
+
+ /* Note: almost everything apart from _PAGE_PRESENT is
+ reserved at the pmd (PDPT) level. */
+ set_pud(pudp, __pud(__pa(pmd) | _PAGE_PRESENT));
+
+ /*
+ * According to Intel App note "TLBs, Paging-Structure Caches,
+ * and Their Invalidation", April 2007, document 317080-001,
+ * section 8.1: in PAE mode we explicitly have to flush the
+ * TLB via cr3 if the top-level pgd is changed...
+ */
+ if (mm == current->active_mm)
+ write_cr3(read_cr3());
+}
+#else /* !CONFIG_X86_PAE */
+
+/* No need to prepopulate any pagetable entries in non-PAE modes. */
+#define PREALLOCATED_PMDS 0
+
+#endif /* CONFIG_X86_PAE */
+
+static void free_pmds(pmd_t *pmds[])
+{
+ int i;
+
+ for(i = 0; i < PREALLOCATED_PMDS; i++)
+ if (pmds[i])
+ free_page((unsigned long)pmds[i]);
+}
+
+static int preallocate_pmds(pmd_t *pmds[])
+{
+ int i;
+ bool failed = false;
+
+ for(i = 0; i < PREALLOCATED_PMDS; i++) {
+ pmd_t *pmd = (pmd_t *)get_zeroed_page(GFP_KERNEL|__GFP_REPEAT);
+ if (pmd == NULL)
+ failed = true;
+ pmds[i] = pmd;
+ }
+
+ if (failed) {
+ free_pmds(pmds);
+ return -ENOMEM;
+ }
+
+ return 0;
+}
+
+/*
* Mop up any pmd pages which may still be attached to the pgd.
* Normally they will be freed by munmap/exit_mmap, but any pmd we
* preallocate which never got a corresponding vma will need to be
@@ -128,7 +187,7 @@ static void pgd_mop_up_pmds(struct mm_struct *mm, pgd_t *pgdp)
{
int i;
- for(i = 0; i < UNSHARED_PTRS_PER_PGD; i++) {
+ for(i = 0; i < PREALLOCATED_PMDS; i++) {
pgd_t pgd = pgdp[i];
if (pgd_val(pgd) != 0) {
@@ -142,32 +201,17 @@ static void pgd_mop_up_pmds(struct mm_struct *mm, pgd_t *pgdp)
}
}
-/*
- * In PAE mode, we need to do a cr3 reload (=tlb flush) when
- * updating the top-level pagetable entries to guarantee the
- * processor notices the update. Since this is expensive, and
- * all 4 top-level entries are used almost immediately in a
- * new process's life, we just pre-populate them here.
- *
- * Also, if we're in a paravirt environment where the kernel pmd is
- * not shared between pagetables (!SHARED_KERNEL_PMDS), we allocate
- * and initialize the kernel pmds here.
- */
-static int pgd_prepopulate_pmd(struct mm_struct *mm, pgd_t *pgd)
+static void pgd_prepopulate_pmd(struct mm_struct *mm, pgd_t *pgd, pmd_t *pmds[])
{
pud_t *pud;
unsigned long addr;
int i;
pud = pud_offset(pgd, 0);
- for (addr = i = 0; i < UNSHARED_PTRS_PER_PGD;
- i++, pud++, addr += PUD_SIZE) {
- pmd_t *pmd = pmd_alloc_one(mm, addr);
- if (!pmd) {
- pgd_mop_up_pmds(mm, pgd);
- return 0;
- }
+ for (addr = i = 0; i < PREALLOCATED_PMDS;
+ i++, pud++, addr += PUD_SIZE) {
+ pmd_t *pmd = pmds[i];
if (i >= KERNEL_PGD_BOUNDARY)
memcpy(pmd, (pmd_t *)pgd_page_vaddr(swapper_pg_dir[i]),
@@ -175,61 +219,54 @@ static int pgd_prepopulate_pmd(struct mm_struct *mm, pgd_t *pgd)
pud_populate(mm, pud, pmd);
}
-
- return 1;
}
-void pud_populate(struct mm_struct *mm, pud_t *pudp, pmd_t *pmd)
+pgd_t *pgd_alloc(struct mm_struct *mm)
{
- paravirt_alloc_pmd(mm, __pa(pmd) >> PAGE_SHIFT);
+ pgd_t *pgd;
+ pmd_t *pmds[PREALLOCATED_PMDS];
+ unsigned long flags;
- /* Note: almost everything apart from _PAGE_PRESENT is
- reserved at the pmd (PDPT) level. */
- set_pud(pudp, __pud(__pa(pmd) | _PAGE_PRESENT));
+ pgd = (pgd_t *)__get_free_page(GFP_KERNEL | __GFP_ZERO);
- /*
- * According to Intel App note "TLBs, Paging-Structure Caches,
- * and Their Invalidation", April 2007, document 317080-001,
- * section 8.1: in PAE mode we explicitly have to flush the
- * TLB via cr3 if the top-level pgd is changed...
- */
- if (mm == current->active_mm)
- write_cr3(read_cr3());
-}
-#else /* !CONFIG_X86_PAE */
-/* No need to prepopulate any pagetable entries in non-PAE modes. */
-static int pgd_prepopulate_pmd(struct mm_struct *mm, pgd_t *pgd)
-{
- return 1;
-}
+ if (pgd == NULL)
+ goto out;
-static void pgd_mop_up_pmds(struct mm_struct *mm, pgd_t *pgd)
-{
-}
-#endif /* CONFIG_X86_PAE */
+ mm->pgd = pgd;
-pgd_t *pgd_alloc(struct mm_struct *mm)
-{
- pgd_t *pgd = (pgd_t *)__get_free_page(GFP_KERNEL | __GFP_ZERO);
+ if (preallocate_pmds(pmds) != 0)
+ goto out_free_pgd;
- /* so that alloc_pmd can use it */
- mm->pgd = pgd;
- if (pgd)
- pgd_ctor(pgd);
+ if (paravirt_pgd_alloc(mm) != 0)
+ goto out_free_pmds;
- if (pgd && !pgd_prepopulate_pmd(mm, pgd)) {
- pgd_dtor(pgd);
- free_page((unsigned long)pgd);
- pgd = NULL;
- }
+ /*
+ * Make sure that pre-populating the pmds is atomic with
+ * respect to anything walking the pgd_list, so that they
+ * never see a partially populated pgd.
+ */
+ spin_lock_irqsave(&pgd_lock, flags);
+
+ pgd_ctor(pgd);
+ pgd_prepopulate_pmd(mm, pgd, pmds);
+
+ spin_unlock_irqrestore(&pgd_lock, flags);
return pgd;
+
+out_free_pmds:
+ free_pmds(pmds);
+out_free_pgd:
+ free_page((unsigned long)pgd);
+out:
+ return NULL;
}
void pgd_free(struct mm_struct *mm, pgd_t *pgd)
{
pgd_mop_up_pmds(mm, pgd);
pgd_dtor(pgd);
+ paravirt_pgd_free(mm, pgd);
free_page((unsigned long)pgd);
}
@@ -255,7 +292,7 @@ int ptep_test_and_clear_young(struct vm_area_struct *vma,
if (pte_young(*ptep))
ret = test_and_clear_bit(_PAGE_BIT_ACCESSED,
- &ptep->pte);
+ (unsigned long *) &ptep->pte);
if (ret)
pte_update(vma->vm_mm, addr, ptep);
@@ -274,3 +311,22 @@ int ptep_clear_flush_young(struct vm_area_struct *vma,
return young;
}
+
+int fixmaps_set;
+
+void __native_set_fixmap(enum fixed_addresses idx, pte_t pte)
+{
+ unsigned long address = __fix_to_virt(idx);
+
+ if (idx >= __end_of_fixed_addresses) {
+ BUG();
+ return;
+ }
+ set_pte_vaddr(address, pte);
+ fixmaps_set++;
+}
+
+void native_set_fixmap(enum fixed_addresses idx, unsigned long phys, pgprot_t flags)
+{
+ __native_set_fixmap(idx, pfn_pte(phys >> PAGE_SHIFT, flags));
+}
diff --git a/arch/x86/mm/pgtable_32.c b/arch/x86/mm/pgtable_32.c
index 369cf065b6a..b4becbf8c57 100644
--- a/arch/x86/mm/pgtable_32.c
+++ b/arch/x86/mm/pgtable_32.c
@@ -71,7 +71,7 @@ void show_mem(void)
* Associate a virtual page frame with a given physical page frame
* and protection flags for that frame.
*/
-static void set_pte_pfn(unsigned long vaddr, unsigned long pfn, pgprot_t flags)
+void set_pte_vaddr(unsigned long vaddr, pte_t pteval)
{
pgd_t *pgd;
pud_t *pud;
@@ -94,8 +94,8 @@ static void set_pte_pfn(unsigned long vaddr, unsigned long pfn, pgprot_t flags)
return;
}
pte = pte_offset_kernel(pmd, vaddr);
- if (pgprot_val(flags))
- set_pte_present(&init_mm, vaddr, pte, pfn_pte(pfn, flags));
+ if (pte_val(pteval))
+ set_pte_present(&init_mm, vaddr, pte, pteval);
else
pte_clear(&init_mm, vaddr, pte);
@@ -141,22 +141,9 @@ void set_pmd_pfn(unsigned long vaddr, unsigned long pfn, pgprot_t flags)
__flush_tlb_one(vaddr);
}
-static int fixmaps;
unsigned long __FIXADDR_TOP = 0xfffff000;
EXPORT_SYMBOL(__FIXADDR_TOP);
-void __set_fixmap (enum fixed_addresses idx, unsigned long phys, pgprot_t flags)
-{
- unsigned long address = __fix_to_virt(idx);
-
- if (idx >= __end_of_fixed_addresses) {
- BUG();
- return;
- }
- set_pte_pfn(address, phys >> PAGE_SHIFT, flags);
- fixmaps++;
-}
-
/**
* reserve_top_address - reserves a hole in the top of kernel address space
* @reserve - size of hole to reserve
@@ -164,11 +151,44 @@ void __set_fixmap (enum fixed_addresses idx, unsigned long phys, pgprot_t flags)
* Can be used to relocate the fixmap area and poke a hole in the top
* of kernel address space to make room for a hypervisor.
*/
-void reserve_top_address(unsigned long reserve)
+void __init reserve_top_address(unsigned long reserve)
{
- BUG_ON(fixmaps > 0);
+ BUG_ON(fixmaps_set > 0);
printk(KERN_INFO "Reserving virtual address space above 0x%08x\n",
(int)-reserve);
__FIXADDR_TOP = -reserve - PAGE_SIZE;
__VMALLOC_RESERVE += reserve;
}
+
+/*
+ * vmalloc=size forces the vmalloc area to be exactly 'size'
+ * bytes. This can be used to increase (or decrease) the
+ * vmalloc area - the default is 128m.
+ */
+static int __init parse_vmalloc(char *arg)
+{
+ if (!arg)
+ return -EINVAL;
+
+ __VMALLOC_RESERVE = memparse(arg, &arg);
+ return 0;
+}
+early_param("vmalloc", parse_vmalloc);
+
+/*
+ * reservetop=size reserves a hole at the top of the kernel address space which
+ * a hypervisor can load into later. Needed for dynamically loaded hypervisors,
+ * so relocating the fixmap can be done before paging initialization.
+ */
+static int __init parse_reservetop(char *arg)
+{
+ unsigned long address;
+
+ if (!arg)
+ return -EINVAL;
+
+ address = memparse(arg, &arg);
+ reserve_top_address(address);
+ return 0;
+}
+early_param("reservetop", parse_reservetop);
diff --git a/arch/x86/kernel/srat_32.c b/arch/x86/mm/srat_32.c
index 70e4a374b4e..f41d67f8f83 100644
--- a/arch/x86/kernel/srat_32.c
+++ b/arch/x86/mm/srat_32.c
@@ -31,6 +31,7 @@
#include <asm/srat.h>
#include <asm/topology.h>
#include <asm/smp.h>
+#include <asm/e820.h>
/*
* proximity macros and definitions
@@ -41,7 +42,7 @@
#define BMAP_TEST(bmap, bit) ((bmap)[NODE_ARRAY_INDEX(bit)] & (1 << NODE_ARRAY_OFFSET(bit)))
/* bitmap length; _PXM is at most 255 */
#define PXM_BITMAP_LEN (MAX_PXM_DOMAINS / 8)
-static u8 pxm_bitmap[PXM_BITMAP_LEN]; /* bitmap of proximity domains */
+static u8 __initdata pxm_bitmap[PXM_BITMAP_LEN]; /* bitmap of proximity domains */
#define MAX_CHUNKS_PER_NODE 3
#define MAXCHUNKS (MAX_CHUNKS_PER_NODE * MAX_NUMNODES)
@@ -52,16 +53,37 @@ struct node_memory_chunk_s {
u8 nid; // which cnode contains this chunk?
u8 bank; // which mem bank on this node
};
-static struct node_memory_chunk_s node_memory_chunk[MAXCHUNKS];
+static struct node_memory_chunk_s __initdata node_memory_chunk[MAXCHUNKS];
-static int num_memory_chunks; /* total number of memory chunks */
+static int __initdata num_memory_chunks; /* total number of memory chunks */
static u8 __initdata apicid_to_pxm[MAX_APICID];
+int numa_off __initdata;
+int acpi_numa __initdata;
+
+static __init void bad_srat(void)
+{
+ printk(KERN_ERR "SRAT: SRAT not used.\n");
+ acpi_numa = -1;
+ num_memory_chunks = 0;
+}
+
+static __init inline int srat_disabled(void)
+{
+ return numa_off || acpi_numa < 0;
+}
+
/* Identify CPU proximity domains */
-static void __init parse_cpu_affinity_structure(char *p)
+void __init
+acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *cpu_affinity)
{
- struct acpi_srat_cpu_affinity *cpu_affinity =
- (struct acpi_srat_cpu_affinity *) p;
+ if (srat_disabled())
+ return;
+ if (cpu_affinity->header.length !=
+ sizeof(struct acpi_srat_cpu_affinity)) {
+ bad_srat();
+ return;
+ }
if ((cpu_affinity->flags & ACPI_SRAT_CPU_ENABLED) == 0)
return; /* empty entry */
@@ -71,7 +93,7 @@ static void __init parse_cpu_affinity_structure(char *p)
apicid_to_pxm[cpu_affinity->apic_id] = cpu_affinity->proximity_domain_lo;
- printk("CPU 0x%02X in proximity domain 0x%02X\n",
+ printk(KERN_DEBUG "CPU %02x in proximity domain %02x\n",
cpu_affinity->apic_id, cpu_affinity->proximity_domain_lo);
}
@@ -79,14 +101,21 @@ static void __init parse_cpu_affinity_structure(char *p)
* Identify memory proximity domains and hot-remove capabilities.
* Fill node memory chunk list structure.
*/
-static void __init parse_memory_affinity_structure (char *sratp)
+void __init
+acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *memory_affinity)
{
unsigned long long paddr, size;
unsigned long start_pfn, end_pfn;
u8 pxm;
struct node_memory_chunk_s *p, *q, *pend;
- struct acpi_srat_mem_affinity *memory_affinity =
- (struct acpi_srat_mem_affinity *) sratp;
+
+ if (srat_disabled())
+ return;
+ if (memory_affinity->header.length !=
+ sizeof(struct acpi_srat_mem_affinity)) {
+ bad_srat();
+ return;
+ }
if ((memory_affinity->flags & ACPI_SRAT_MEM_ENABLED) == 0)
return; /* empty entry */
@@ -105,7 +134,8 @@ static void __init parse_memory_affinity_structure (char *sratp)
if (num_memory_chunks >= MAXCHUNKS) {
- printk("Too many mem chunks in SRAT. Ignoring %lld MBytes at %llx\n",
+ printk(KERN_WARNING "Too many mem chunks in SRAT."
+ " Ignoring %lld MBytes at %llx\n",
size/(1024*1024), paddr);
return;
}
@@ -126,7 +156,8 @@ static void __init parse_memory_affinity_structure (char *sratp)
num_memory_chunks++;
- printk("Memory range 0x%lX to 0x%lX (type 0x%X) in proximity domain 0x%02X %s\n",
+ printk(KERN_DEBUG "Memory range %08lx to %08lx (type %x)"
+ " in proximity domain %02x %s\n",
start_pfn, end_pfn,
memory_affinity->memory_type,
pxm,
@@ -134,6 +165,14 @@ static void __init parse_memory_affinity_structure (char *sratp)
"enabled and removable" : "enabled" ) );
}
+/* Callback for SLIT parsing */
+void __init acpi_numa_slit_init(struct acpi_table_slit *slit)
+{
+}
+
+void acpi_numa_arch_fixup(void)
+{
+}
/*
* The SRAT table always lists ascending addresses, so can always
* assume that the first "start" address that you see is the real
@@ -149,7 +188,7 @@ static __init void node_read_chunk(int nid, struct node_memory_chunk_s *memory_c
* *possible* memory hotplug areas the same as normal RAM.
*/
if (memory_chunk->start_pfn >= max_pfn) {
- printk (KERN_INFO "Ignoring SRAT pfns: 0x%08lx -> %08lx\n",
+ printk(KERN_INFO "Ignoring SRAT pfns: %08lx - %08lx\n",
memory_chunk->start_pfn, memory_chunk->end_pfn);
return;
}
@@ -166,42 +205,17 @@ static __init void node_read_chunk(int nid, struct node_memory_chunk_s *memory_c
node_end_pfn[nid] = memory_chunk->end_pfn;
}
-/* Parse the ACPI Static Resource Affinity Table */
-static int __init acpi20_parse_srat(struct acpi_table_srat *sratp)
+int __init get_memcfg_from_srat(void)
{
- u8 *start, *end, *p;
int i, j, nid;
- start = (u8 *)(&(sratp->reserved) + 1); /* skip header */
- p = start;
- end = (u8 *)sratp + sratp->header.length;
- memset(pxm_bitmap, 0, sizeof(pxm_bitmap)); /* init proximity domain bitmap */
- memset(node_memory_chunk, 0, sizeof(node_memory_chunk));
-
- num_memory_chunks = 0;
- while (p < end) {
- switch (*p) {
- case ACPI_SRAT_TYPE_CPU_AFFINITY:
- parse_cpu_affinity_structure(p);
- break;
- case ACPI_SRAT_TYPE_MEMORY_AFFINITY:
- parse_memory_affinity_structure(p);
- break;
- default:
- printk("ACPI 2.0 SRAT: unknown entry skipped: type=0x%02X, len=%d\n", p[0], p[1]);
- break;
- }
- p += p[1];
- if (p[1] == 0) {
- printk("acpi20_parse_srat: Entry length value is zero;"
- " can't parse any further!\n");
- break;
- }
- }
+ if (srat_disabled())
+ goto out_fail;
if (num_memory_chunks == 0) {
- printk("could not finy any ACPI SRAT memory areas.\n");
+ printk(KERN_WARNING
+ "could not finy any ACPI SRAT memory areas.\n");
goto out_fail;
}
@@ -228,131 +242,39 @@ static int __init acpi20_parse_srat(struct acpi_table_srat *sratp)
for (i = 0; i < num_memory_chunks; i++)
node_memory_chunk[i].nid = pxm_to_node(node_memory_chunk[i].pxm);
- printk("pxm bitmap: ");
+ printk(KERN_DEBUG "pxm bitmap: ");
for (i = 0; i < sizeof(pxm_bitmap); i++) {
- printk("%02X ", pxm_bitmap[i]);
+ printk(KERN_CONT "%02x ", pxm_bitmap[i]);
}
- printk("\n");
- printk("Number of logical nodes in system = %d\n", num_online_nodes());
- printk("Number of memory chunks in system = %d\n", num_memory_chunks);
+ printk(KERN_CONT "\n");
+ printk(KERN_DEBUG "Number of logical nodes in system = %d\n",
+ num_online_nodes());
+ printk(KERN_DEBUG "Number of memory chunks in system = %d\n",
+ num_memory_chunks);
for (i = 0; i < MAX_APICID; i++)
apicid_2_node[i] = pxm_to_node(apicid_to_pxm[i]);
for (j = 0; j < num_memory_chunks; j++){
struct node_memory_chunk_s * chunk = &node_memory_chunk[j];
- printk("chunk %d nid %d start_pfn %08lx end_pfn %08lx\n",
+ printk(KERN_DEBUG
+ "chunk %d nid %d start_pfn %08lx end_pfn %08lx\n",
j, chunk->nid, chunk->start_pfn, chunk->end_pfn);
node_read_chunk(chunk->nid, chunk);
- add_active_range(chunk->nid, chunk->start_pfn, chunk->end_pfn);
+ e820_register_active_regions(chunk->nid, chunk->start_pfn,
+ min(chunk->end_pfn, max_pfn));
}
-
+
for_each_online_node(nid) {
unsigned long start = node_start_pfn[nid];
- unsigned long end = node_end_pfn[nid];
+ unsigned long end = min(node_end_pfn[nid], max_pfn);
memory_present(nid, start, end);
node_remap_size[nid] = node_memmap_size_bytes(nid, start, end);
}
return 1;
out_fail:
- return 0;
-}
-
-struct acpi_static_rsdt {
- struct acpi_table_rsdt table;
- u32 padding[7]; /* Allow for 7 more table entries */
-};
-
-int __init get_memcfg_from_srat(void)
-{
- struct acpi_table_header *header = NULL;
- struct acpi_table_rsdp *rsdp = NULL;
- struct acpi_table_rsdt *rsdt = NULL;
- acpi_native_uint rsdp_address = 0;
- struct acpi_static_rsdt saved_rsdt;
- int tables = 0;
- int i = 0;
-
- rsdp_address = acpi_os_get_root_pointer();
- if (!rsdp_address) {
- printk("%s: System description tables not found\n",
- __func__);
- goto out_err;
- }
-
- printk("%s: assigning address to rsdp\n", __func__);
- rsdp = (struct acpi_table_rsdp *)(u32)rsdp_address;
- if (!rsdp) {
- printk("%s: Didn't find ACPI root!\n", __func__);
- goto out_err;
- }
-
- printk(KERN_INFO "%.8s v%d [%.6s]\n", rsdp->signature, rsdp->revision,
- rsdp->oem_id);
-
- if (strncmp(rsdp->signature, ACPI_SIG_RSDP,strlen(ACPI_SIG_RSDP))) {
- printk(KERN_WARNING "%s: RSDP table signature incorrect\n", __func__);
- goto out_err;
- }
-
- rsdt = (struct acpi_table_rsdt *)
- early_ioremap(rsdp->rsdt_physical_address, sizeof(struct acpi_table_rsdt));
-
- if (!rsdt) {
- printk(KERN_WARNING
- "%s: ACPI: Invalid root system description tables (RSDT)\n",
- __func__);
- goto out_err;
- }
-
- header = &rsdt->header;
-
- if (strncmp(header->signature, ACPI_SIG_RSDT, strlen(ACPI_SIG_RSDT))) {
- printk(KERN_WARNING "ACPI: RSDT signature incorrect\n");
- goto out_err;
- }
-
- /*
- * The number of tables is computed by taking the
- * size of all entries (header size minus total
- * size of RSDT) divided by the size of each entry
- * (4-byte table pointers).
- */
- tables = (header->length - sizeof(struct acpi_table_header)) / 4;
-
- if (!tables)
- goto out_err;
-
- memcpy(&saved_rsdt, rsdt, sizeof(saved_rsdt));
-
- if (saved_rsdt.table.header.length > sizeof(saved_rsdt)) {
- printk(KERN_WARNING "ACPI: Too big length in RSDT: %d\n",
- saved_rsdt.table.header.length);
- goto out_err;
- }
-
- printk("Begin SRAT table scan....\n");
-
- for (i = 0; i < tables; i++) {
- /* Map in header, then map in full table length. */
- header = (struct acpi_table_header *)
- early_ioremap(saved_rsdt.table.table_offset_entry[i], sizeof(struct acpi_table_header));
- if (!header)
- break;
- header = (struct acpi_table_header *)
- early_ioremap(saved_rsdt.table.table_offset_entry[i], header->length);
- if (!header)
- break;
-
- if (strncmp((char *) &header->signature, ACPI_SIG_SRAT, 4))
- continue;
-
- /* we've found the srat table. don't need to look at any more tables */
- return acpi20_parse_srat((struct acpi_table_srat *)header);
- }
-out_err:
- remove_all_active_ranges();
- printk("failed to get NUMA memory information from SRAT table\n");
+ printk(KERN_ERR "failed to get NUMA memory information from SRAT"
+ " table\n");
return 0;
}
diff --git a/arch/x86/mm/srat_64.c b/arch/x86/mm/srat_64.c
index 99649dccad2..1b4763e26ea 100644
--- a/arch/x86/mm/srat_64.c
+++ b/arch/x86/mm/srat_64.c
@@ -100,7 +100,19 @@ static __init inline int srat_disabled(void)
/* Callback for SLIT parsing */
void __init acpi_numa_slit_init(struct acpi_table_slit *slit)
{
- acpi_slit = slit;
+ unsigned length;
+ unsigned long phys;
+
+ length = slit->header.length;
+ phys = find_e820_area(0, max_pfn_mapped<<PAGE_SHIFT, length,
+ PAGE_SIZE);
+
+ if (phys == -1L)
+ panic(" Can not save slit!\n");
+
+ acpi_slit = __va(phys);
+ memcpy(acpi_slit, slit, length);
+ reserve_early(phys, phys + length, "ACPI SLIT");
}
/* Callback for Proximity Domain -> LAPIC mapping */
@@ -299,7 +311,7 @@ static int __init nodes_cover_memory(const struct bootnode *nodes)
pxmram = 0;
}
- e820ram = end_pfn - absent_pages_in_range(0, end_pfn);
+ e820ram = max_pfn - absent_pages_in_range(0, max_pfn);
/* We seem to lose 3 pages somewhere. Allow a bit of slack. */
if ((long)(e820ram - pxmram) >= 1*1024*1024) {
printk(KERN_ERR
@@ -376,7 +388,7 @@ int __init acpi_scan_nodes(unsigned long start, unsigned long end)
if (node == NUMA_NO_NODE)
continue;
if (!node_isset(node, node_possible_map))
- numa_set_node(i, NUMA_NO_NODE);
+ numa_clear_node(i);
}
numa_init_array();
return 0;
@@ -495,6 +507,7 @@ int __node_distance(int a, int b)
EXPORT_SYMBOL(__node_distance);
+#if defined(CONFIG_MEMORY_HOTPLUG_SPARSE) || defined(CONFIG_ACPI_HOTPLUG_MEMORY)
int memory_add_physaddr_to_nid(u64 start)
{
int i, ret = 0;
@@ -506,4 +519,4 @@ int memory_add_physaddr_to_nid(u64 start)
return ret;
}
EXPORT_SYMBOL_GPL(memory_add_physaddr_to_nid);
-
+#endif
diff --git a/arch/x86/mm/testmmiotrace.c b/arch/x86/mm/testmmiotrace.c
new file mode 100644
index 00000000000..d877c5b423e
--- /dev/null
+++ b/arch/x86/mm/testmmiotrace.c
@@ -0,0 +1,71 @@
+/*
+ * Written by Pekka Paalanen, 2008 <pq@iki.fi>
+ */
+#include <linux/module.h>
+#include <linux/io.h>
+
+#define MODULE_NAME "testmmiotrace"
+
+static unsigned long mmio_address;
+module_param(mmio_address, ulong, 0);
+MODULE_PARM_DESC(mmio_address, "Start address of the mapping of 16 kB.");
+
+static void do_write_test(void __iomem *p)
+{
+ unsigned int i;
+ for (i = 0; i < 256; i++)
+ iowrite8(i, p + i);
+ for (i = 1024; i < (5 * 1024); i += 2)
+ iowrite16(i * 12 + 7, p + i);
+ for (i = (5 * 1024); i < (16 * 1024); i += 4)
+ iowrite32(i * 212371 + 13, p + i);
+}
+
+static void do_read_test(void __iomem *p)
+{
+ unsigned int i;
+ for (i = 0; i < 256; i++)
+ ioread8(p + i);
+ for (i = 1024; i < (5 * 1024); i += 2)
+ ioread16(p + i);
+ for (i = (5 * 1024); i < (16 * 1024); i += 4)
+ ioread32(p + i);
+}
+
+static void do_test(void)
+{
+ void __iomem *p = ioremap_nocache(mmio_address, 0x4000);
+ if (!p) {
+ pr_err(MODULE_NAME ": could not ioremap, aborting.\n");
+ return;
+ }
+ do_write_test(p);
+ do_read_test(p);
+ iounmap(p);
+}
+
+static int __init init(void)
+{
+ if (mmio_address == 0) {
+ pr_err(MODULE_NAME ": you have to use the module argument "
+ "mmio_address.\n");
+ pr_err(MODULE_NAME ": DO NOT LOAD THIS MODULE UNLESS"
+ " YOU REALLY KNOW WHAT YOU ARE DOING!\n");
+ return -ENXIO;
+ }
+
+ pr_warning(MODULE_NAME ": WARNING: mapping 16 kB @ 0x%08lx "
+ "in PCI address space, and writing "
+ "rubbish in there.\n", mmio_address);
+ do_test();
+ return 0;
+}
+
+static void __exit cleanup(void)
+{
+ pr_debug(MODULE_NAME ": unloaded.\n");
+}
+
+module_init(init);
+module_exit(cleanup);
+MODULE_LICENSE("GPL");
diff --git a/arch/x86/oprofile/nmi_int.c b/arch/x86/oprofile/nmi_int.c
index cc48d3fde54..7f3329b55d2 100644
--- a/arch/x86/oprofile/nmi_int.c
+++ b/arch/x86/oprofile/nmi_int.c
@@ -218,8 +218,8 @@ static int nmi_setup(void)
}
}
- on_each_cpu(nmi_save_registers, NULL, 0, 1);
- on_each_cpu(nmi_cpu_setup, NULL, 0, 1);
+ on_each_cpu(nmi_save_registers, NULL, 1);
+ on_each_cpu(nmi_cpu_setup, NULL, 1);
nmi_enabled = 1;
return 0;
}
@@ -269,12 +269,13 @@ static void nmi_cpu_shutdown(void *dummy)
static void nmi_shutdown(void)
{
- struct op_msrs *msrs = &__get_cpu_var(cpu_msrs);
+ struct op_msrs *msrs = &get_cpu_var(cpu_msrs);
nmi_enabled = 0;
- on_each_cpu(nmi_cpu_shutdown, NULL, 0, 1);
+ on_each_cpu(nmi_cpu_shutdown, NULL, 1);
unregister_die_notifier(&profile_exceptions_nb);
model->shutdown(msrs);
free_msrs();
+ put_cpu_var(cpu_msrs);
}
static void nmi_cpu_start(void *dummy)
@@ -285,7 +286,7 @@ static void nmi_cpu_start(void *dummy)
static int nmi_start(void)
{
- on_each_cpu(nmi_cpu_start, NULL, 0, 1);
+ on_each_cpu(nmi_cpu_start, NULL, 1);
return 0;
}
@@ -297,7 +298,7 @@ static void nmi_cpu_stop(void *dummy)
static void nmi_stop(void)
{
- on_each_cpu(nmi_cpu_stop, NULL, 0, 1);
+ on_each_cpu(nmi_cpu_stop, NULL, 1);
}
struct op_counter_config counter_config[OP_MAX_COUNTER];
diff --git a/arch/x86/pci/Makefile b/arch/x86/pci/Makefile
index c5c8e485fc4..e515e8db842 100644
--- a/arch/x86/pci/Makefile
+++ b/arch/x86/pci/Makefile
@@ -1,5 +1,17 @@
-ifeq ($(CONFIG_X86_32),y)
-include ${srctree}/arch/x86/pci/Makefile_32
-else
-include ${srctree}/arch/x86/pci/Makefile_64
-endif
+obj-y := i386.o init.o
+
+obj-$(CONFIG_PCI_BIOS) += pcbios.o
+obj-$(CONFIG_PCI_MMCONFIG) += mmconfig_$(BITS).o direct.o mmconfig-shared.o
+obj-$(CONFIG_PCI_DIRECT) += direct.o
+obj-$(CONFIG_PCI_OLPC) += olpc.o
+
+pci-y := fixup.o
+pci-$(CONFIG_ACPI) += acpi.o
+pci-y += legacy.o irq.o
+
+pci-$(CONFIG_X86_VISWS) += visws.o
+
+pci-$(CONFIG_X86_NUMAQ) += numa.o
+
+obj-y += $(pci-y) common.o early.o
+obj-y += amd_bus.o
diff --git a/arch/x86/pci/Makefile_32 b/arch/x86/pci/Makefile_32
deleted file mode 100644
index 89ec35d00ef..00000000000
--- a/arch/x86/pci/Makefile_32
+++ /dev/null
@@ -1,24 +0,0 @@
-obj-y := i386.o init.o
-
-obj-$(CONFIG_PCI_BIOS) += pcbios.o
-obj-$(CONFIG_PCI_MMCONFIG) += mmconfig_32.o direct.o mmconfig-shared.o
-obj-$(CONFIG_PCI_DIRECT) += direct.o
-obj-$(CONFIG_PCI_OLPC) += olpc.o
-
-pci-y := fixup.o
-
-# Do not change the ordering here. There is a nasty init function
-# ordering dependency which breaks when you move acpi.o below
-# legacy/irq.o
-pci-$(CONFIG_ACPI) += acpi.o
-pci-y += legacy.o irq.o
-
-# Careful: VISWS and NUMAQ overrule the pci-y above. The colons are
-# therefor correct. This needs a proper fix by distangling the code.
-pci-$(CONFIG_X86_VISWS) := visws.o fixup.o
-pci-$(CONFIG_X86_NUMAQ) := numa.o irq.o
-
-# Necessary for NUMAQ as well
-pci-$(CONFIG_NUMA) += mp_bus_to_node.o
-
-obj-y += $(pci-y) common.o early.o
diff --git a/arch/x86/pci/Makefile_64 b/arch/x86/pci/Makefile_64
deleted file mode 100644
index 8fbd19832cf..00000000000
--- a/arch/x86/pci/Makefile_64
+++ /dev/null
@@ -1,17 +0,0 @@
-#
-# Makefile for X86_64 specific PCI routines
-#
-# Reuse the i386 PCI subsystem
-#
-EXTRA_CFLAGS += -Iarch/x86/pci
-
-obj-y := i386.o
-obj-$(CONFIG_PCI_DIRECT)+= direct.o
-obj-y += fixup.o init.o
-obj-$(CONFIG_ACPI) += acpi.o
-obj-y += legacy.o irq.o common.o early.o
-# mmconfig has a 64bit special
-obj-$(CONFIG_PCI_MMCONFIG) += mmconfig_64.o direct.o mmconfig-shared.o
-
-obj-y += k8-bus_64.o
-
diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c
index d95de2f199c..19af06927fb 100644
--- a/arch/x86/pci/acpi.c
+++ b/arch/x86/pci/acpi.c
@@ -171,8 +171,11 @@ struct pci_bus * __devinit pci_acpi_scan_root(struct acpi_device *device, int do
if (node != -1)
set_mp_bus_to_node(busnum, node);
else
- node = get_mp_bus_to_node(busnum);
#endif
+ node = get_mp_bus_to_node(busnum);
+
+ if (node != -1 && !node_online(node))
+ node = -1;
/* Allocate per-root-bus (not per bus) arch-specific data.
* TODO: leak; this memory is never freed.
@@ -204,22 +207,23 @@ struct pci_bus * __devinit pci_acpi_scan_root(struct acpi_device *device, int do
if (!bus)
kfree(sd);
+ if (bus && node != -1) {
#ifdef CONFIG_ACPI_NUMA
- if (bus) {
- if (pxm >= 0) {
+ if (pxm >= 0)
printk(KERN_DEBUG "bus %02x -> pxm %d -> node %d\n",
- busnum, pxm, pxm_to_node(pxm));
- }
- }
+ busnum, pxm, node);
+#else
+ printk(KERN_DEBUG "bus %02x -> node %d\n",
+ busnum, node);
#endif
+ }
if (bus && (pci_probe & PCI_USE__CRS))
get_current_resources(device, busnum, domain, bus);
return bus;
}
-extern int pci_routeirq;
-static int __init pci_acpi_init(void)
+int __init pci_acpi_init(void)
{
struct pci_dev *dev = NULL;
@@ -253,4 +257,3 @@ static int __init pci_acpi_init(void)
return 0;
}
-subsys_initcall(pci_acpi_init);
diff --git a/arch/x86/pci/k8-bus_64.c b/arch/x86/pci/amd_bus.c
index 5c2799c20e4..dbf53236971 100644
--- a/arch/x86/pci/k8-bus_64.c
+++ b/arch/x86/pci/amd_bus.c
@@ -1,40 +1,25 @@
#include <linux/init.h>
#include <linux/pci.h>
+#include <linux/topology.h>
+#include "pci.h"
+
+#ifdef CONFIG_X86_64
#include <asm/pci-direct.h>
#include <asm/mpspec.h>
#include <linux/cpumask.h>
-#include <linux/topology.h>
+#endif
/*
* This discovers the pcibus <-> node mapping on AMD K8.
* also get peer root bus resource for io,mmio
*/
-
-/*
- * sub bus (transparent) will use entres from 3 to store extra from root,
- * so need to make sure have enought slot there, increase PCI_BUS_NUM_RESOURCES?
- */
-#define RES_NUM 16
-struct pci_root_info {
- char name[12];
- unsigned int res_num;
- struct resource res[RES_NUM];
- int bus_min;
- int bus_max;
- int node;
- int link;
-};
-
-/* 4 at this time, it may become to 32 */
-#define PCI_ROOT_NR 4
-static int pci_root_num;
-static struct pci_root_info pci_root_info[PCI_ROOT_NR];
-
#ifdef CONFIG_NUMA
#define BUS_NR 256
+#ifdef CONFIG_X86_64
+
static int mp_bus_to_node[BUS_NR];
void set_mp_bus_to_node(int busnum, int node)
@@ -61,7 +46,52 @@ int get_mp_bus_to_node(int busnum)
return node;
}
-#endif
+
+#else /* CONFIG_X86_32 */
+
+static unsigned char mp_bus_to_node[BUS_NR];
+
+void set_mp_bus_to_node(int busnum, int node)
+{
+ if (busnum >= 0 && busnum < BUS_NR)
+ mp_bus_to_node[busnum] = (unsigned char) node;
+}
+
+int get_mp_bus_to_node(int busnum)
+{
+ int node;
+
+ if (busnum < 0 || busnum > (BUS_NR - 1))
+ return 0;
+ node = mp_bus_to_node[busnum];
+ return node;
+}
+
+#endif /* CONFIG_X86_32 */
+
+#endif /* CONFIG_NUMA */
+
+#ifdef CONFIG_X86_64
+
+/*
+ * sub bus (transparent) will use entres from 3 to store extra from root,
+ * so need to make sure have enought slot there, increase PCI_BUS_NUM_RESOURCES?
+ */
+#define RES_NUM 16
+struct pci_root_info {
+ char name[12];
+ unsigned int res_num;
+ struct resource res[RES_NUM];
+ int bus_min;
+ int bus_max;
+ int node;
+ int link;
+};
+
+/* 4 at this time, it may become to 32 */
+#define PCI_ROOT_NR 4
+static int pci_root_num;
+static struct pci_root_info pci_root_info[PCI_ROOT_NR];
void set_pci_bus_resources_arch_default(struct pci_bus *b)
{
@@ -384,7 +414,7 @@ static int __init early_fill_mp_bus_info(void)
/* need to take out [0, TOM) for RAM*/
address = MSR_K8_TOP_MEM1;
rdmsrl(address, val);
- end = (val & 0xffffff8000000ULL);
+ end = (val & 0xffffff800000ULL);
printk(KERN_INFO "TOM: %016lx aka %ldM\n", end, end>>20);
if (end < (1ULL<<32))
update_range(range, 0, end - 1);
@@ -478,7 +508,7 @@ static int __init early_fill_mp_bus_info(void)
/* TOP_MEM2 */
address = MSR_K8_TOP_MEM2;
rdmsrl(address, val);
- end = (val & 0xffffff8000000ULL);
+ end = (val & 0xffffff800000ULL);
printk(KERN_INFO "TOM2: %016lx aka %ldM\n", end, end>>20);
update_range(range, 1ULL<<32, end - 1);
}
@@ -526,3 +556,31 @@ static int __init early_fill_mp_bus_info(void)
}
postcore_initcall(early_fill_mp_bus_info);
+
+#endif
+
+/* common 32/64 bit code */
+
+#define ENABLE_CF8_EXT_CFG (1ULL << 46)
+
+static void enable_pci_io_ecs_per_cpu(void *unused)
+{
+ u64 reg;
+ rdmsrl(MSR_AMD64_NB_CFG, reg);
+ if (!(reg & ENABLE_CF8_EXT_CFG)) {
+ reg |= ENABLE_CF8_EXT_CFG;
+ wrmsrl(MSR_AMD64_NB_CFG, reg);
+ }
+}
+
+static int __init enable_pci_io_ecs(void)
+{
+ /* assume all cpus from fam10h have IO ECS */
+ if (boot_cpu_data.x86 < 0x10)
+ return 0;
+ on_each_cpu(enable_pci_io_ecs_per_cpu, NULL, 1);
+ pci_probe |= PCI_HAS_IO_ECS;
+ return 0;
+}
+
+postcore_initcall(enable_pci_io_ecs);
diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c
index 940185ecaed..20b9f59f95d 100644
--- a/arch/x86/pci/common.c
+++ b/arch/x86/pci/common.c
@@ -328,18 +328,18 @@ static struct dmi_system_id __devinitdata pciprobe_dmi_table[] = {
#endif
{
.callback = set_bf_sort,
- .ident = "HP ProLiant DL360",
+ .ident = "HP ProLiant DL385 G2",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "HP"),
- DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant DL360"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant DL385 G2"),
},
},
{
.callback = set_bf_sort,
- .ident = "HP ProLiant DL380",
+ .ident = "HP ProLiant DL585 G2",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "HP"),
- DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant DL380"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant DL585 G2"),
},
},
{}
@@ -384,7 +384,7 @@ struct pci_bus * __devinit pcibios_scan_root(int busnum)
extern u8 pci_cache_line_size;
-static int __init pcibios_init(void)
+int __init pcibios_init(void)
{
struct cpuinfo_x86 *c = &boot_cpu_data;
@@ -411,8 +411,6 @@ static int __init pcibios_init(void)
return 0;
}
-subsys_initcall(pcibios_init);
-
char * __devinit pcibios_setup(char *str)
{
if (!strcmp(str, "off")) {
diff --git a/arch/x86/pci/direct.c b/arch/x86/pci/direct.c
index 21d1e0e0d53..9915293500f 100644
--- a/arch/x86/pci/direct.c
+++ b/arch/x86/pci/direct.c
@@ -8,18 +8,21 @@
#include "pci.h"
/*
- * Functions for accessing PCI configuration space with type 1 accesses
+ * Functions for accessing PCI base (first 256 bytes) and extended
+ * (4096 bytes per PCI function) configuration space with type 1
+ * accesses.
*/
#define PCI_CONF1_ADDRESS(bus, devfn, reg) \
- (0x80000000 | (bus << 16) | (devfn << 8) | (reg & ~3))
+ (0x80000000 | ((reg & 0xF00) << 16) | (bus << 16) \
+ | (devfn << 8) | (reg & 0xFC))
static int pci_conf1_read(unsigned int seg, unsigned int bus,
unsigned int devfn, int reg, int len, u32 *value)
{
unsigned long flags;
- if ((bus > 255) || (devfn > 255) || (reg > 255)) {
+ if ((bus > 255) || (devfn > 255) || (reg > 4095)) {
*value = -1;
return -EINVAL;
}
@@ -50,7 +53,7 @@ static int pci_conf1_write(unsigned int seg, unsigned int bus,
{
unsigned long flags;
- if ((bus > 255) || (devfn > 255) || (reg > 255))
+ if ((bus > 255) || (devfn > 255) || (reg > 4095))
return -EINVAL;
spin_lock_irqsave(&pci_config_lock, flags);
@@ -260,10 +263,18 @@ void __init pci_direct_init(int type)
return;
printk(KERN_INFO "PCI: Using configuration type %d for base access\n",
type);
- if (type == 1)
+ if (type == 1) {
raw_pci_ops = &pci_direct_conf1;
- else
- raw_pci_ops = &pci_direct_conf2;
+ if (raw_pci_ext_ops)
+ return;
+ if (!(pci_probe & PCI_HAS_IO_ECS))
+ return;
+ printk(KERN_INFO "PCI: Using configuration type 1 "
+ "for extended access\n");
+ raw_pci_ext_ops = &pci_direct_conf1;
+ return;
+ }
+ raw_pci_ops = &pci_direct_conf2;
}
int __init pci_direct_probe(void)
diff --git a/arch/x86/pci/i386.c b/arch/x86/pci/i386.c
index 10fb308fded..2aafb67dc5f 100644
--- a/arch/x86/pci/i386.c
+++ b/arch/x86/pci/i386.c
@@ -299,9 +299,9 @@ int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
return -EINVAL;
prot = pgprot_val(vma->vm_page_prot);
- if (pat_wc_enabled && write_combine)
+ if (pat_enabled && write_combine)
prot |= _PAGE_CACHE_WC;
- else if (pat_wc_enabled || boot_cpu_data.x86 > 3)
+ else if (pat_enabled || boot_cpu_data.x86 > 3)
/*
* ioremap() and ioremap_nocache() defaults to UC MINUS for now.
* To avoid attribute conflicts, request UC MINUS here
@@ -334,7 +334,9 @@ int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
flags = new_flags;
}
- if (vma->vm_pgoff <= max_pfn_mapped &&
+ if (((vma->vm_pgoff < max_low_pfn_mapped) ||
+ (vma->vm_pgoff >= (1UL<<(32 - PAGE_SHIFT)) &&
+ vma->vm_pgoff < max_pfn_mapped)) &&
ioremap_change_attr((unsigned long)__va(addr), len, flags)) {
free_memtype(addr, addr + len);
return -EINVAL;
diff --git a/arch/x86/pci/init.c b/arch/x86/pci/init.c
index b821f4462d9..d6c950f8185 100644
--- a/arch/x86/pci/init.c
+++ b/arch/x86/pci/init.c
@@ -4,7 +4,7 @@
/* arch_initcall has too random ordering, so call the initializers
in the right sequence from here. */
-static __init int pci_access_init(void)
+static __init int pci_arch_init(void)
{
#ifdef CONFIG_PCI_DIRECT
int type = 0;
@@ -40,4 +40,4 @@ static __init int pci_access_init(void)
return 0;
}
-arch_initcall(pci_access_init);
+arch_initcall(pci_arch_init);
diff --git a/arch/x86/pci/irq.c b/arch/x86/pci/irq.c
index ca8df9c260b..dc568c6b83f 100644
--- a/arch/x86/pci/irq.c
+++ b/arch/x86/pci/irq.c
@@ -11,8 +11,8 @@
#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/dmi.h>
-#include <asm/io.h>
-#include <asm/smp.h>
+#include <linux/io.h>
+#include <linux/smp.h>
#include <asm/io_apic.h>
#include <linux/irq.h>
#include <linux/acpi.h>
@@ -61,7 +61,7 @@ void (*pcibios_disable_irq)(struct pci_dev *dev) = NULL;
* and perform checksum verification.
*/
-static inline struct irq_routing_table * pirq_check_routing_table(u8 *addr)
+static inline struct irq_routing_table *pirq_check_routing_table(u8 *addr)
{
struct irq_routing_table *rt;
int i;
@@ -74,7 +74,7 @@ static inline struct irq_routing_table * pirq_check_routing_table(u8 *addr)
rt->size < sizeof(struct irq_routing_table))
return NULL;
sum = 0;
- for (i=0; i < rt->size; i++)
+ for (i = 0; i < rt->size; i++)
sum += addr[i];
if (!sum) {
DBG(KERN_DEBUG "PCI: Interrupt Routing Table found at 0x%p\n", rt);
@@ -100,7 +100,7 @@ static struct irq_routing_table * __init pirq_find_routing_table(void)
return rt;
printk(KERN_WARNING "PCI: PIRQ table NOT found at pirqaddr\n");
}
- for(addr = (u8 *) __va(0xf0000); addr < (u8 *) __va(0x100000); addr += 16) {
+ for (addr = (u8 *) __va(0xf0000); addr < (u8 *) __va(0x100000); addr += 16) {
rt = pirq_check_routing_table(addr);
if (rt)
return rt;
@@ -122,20 +122,20 @@ static void __init pirq_peer_trick(void)
struct irq_info *e;
memset(busmap, 0, sizeof(busmap));
- for(i=0; i < (rt->size - sizeof(struct irq_routing_table)) / sizeof(struct irq_info); i++) {
+ for (i = 0; i < (rt->size - sizeof(struct irq_routing_table)) / sizeof(struct irq_info); i++) {
e = &rt->slots[i];
#ifdef DEBUG
{
int j;
DBG(KERN_DEBUG "%02x:%02x slot=%02x", e->bus, e->devfn/8, e->slot);
- for(j=0; j<4; j++)
+ for (j = 0; j < 4; j++)
DBG(" %d:%02x/%04x", j, e->irq[j].link, e->irq[j].bitmap);
DBG("\n");
}
#endif
busmap[e->bus] = 1;
}
- for(i = 1; i < 256; i++) {
+ for (i = 1; i < 256; i++) {
int node;
if (!busmap[i] || pci_find_bus(0, i))
continue;
@@ -285,7 +285,7 @@ static int pirq_ite_get(struct pci_dev *router, struct pci_dev *dev, int pirq)
static const unsigned char pirqmap[4] = { 1, 0, 2, 3 };
WARN_ON_ONCE(pirq > 4);
- return read_config_nybble(router,0x43, pirqmap[pirq-1]);
+ return read_config_nybble(router, 0x43, pirqmap[pirq-1]);
}
static int pirq_ite_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
@@ -314,7 +314,7 @@ static int pirq_opti_set(struct pci_dev *router, struct pci_dev *dev, int pirq,
/*
* Cyrix: nibble offset 0x5C
- * 0x5C bits 7:4 is INTB bits 3:0 is INTA
+ * 0x5C bits 7:4 is INTB bits 3:0 is INTA
* 0x5D bits 7:4 is INTD bits 3:0 is INTC
*/
static int pirq_cyrix_get(struct pci_dev *router, struct pci_dev *dev, int pirq)
@@ -350,7 +350,7 @@ static int pirq_cyrix_set(struct pci_dev *router, struct pci_dev *dev, int pirq,
* Apparently there are systems implementing PCI routing table using
* link values 0x01-0x04 and others using 0x41-0x44 for PCI INTA..D.
* We try our best to handle both link mappings.
- *
+ *
* Currently (2003-05-21) it appears most SiS chipsets follow the
* definition of routing registers from the SiS-5595 southbridge.
* According to the SiS 5595 datasheets the revision id's of the
@@ -370,7 +370,7 @@ static int pirq_cyrix_set(struct pci_dev *router, struct pci_dev *dev, int pirq,
*
* 0x62: USBIRQ:
* bit 6 OHCI function disabled (0), enabled (1)
- *
+ *
* 0x6a: ACPI/SCI IRQ: bits 4-6 reserved
*
* 0x7e: Data Acq. Module IRQ - bits 4-6 reserved
@@ -487,9 +487,7 @@ static int pirq_amd756_get(struct pci_dev *router, struct pci_dev *dev, int pirq
u8 irq;
irq = 0;
if (pirq <= 4)
- {
irq = read_config_nybble(router, 0x56, pirq - 1);
- }
printk(KERN_INFO "AMD756: dev %04x:%04x, router pirq : %d get irq : %2d\n",
dev->vendor, dev->device, pirq, irq);
return irq;
@@ -497,12 +495,10 @@ static int pirq_amd756_get(struct pci_dev *router, struct pci_dev *dev, int pirq
static int pirq_amd756_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
{
- printk(KERN_INFO "AMD756: dev %04x:%04x, router pirq : %d SET irq : %2d\n",
+ printk(KERN_INFO "AMD756: dev %04x:%04x, router pirq : %d SET irq : %2d\n",
dev->vendor, dev->device, pirq, irq);
if (pirq <= 4)
- {
write_config_nybble(router, 0x56, pirq - 1, irq);
- }
return 1;
}
@@ -549,50 +545,49 @@ static __init int intel_router_probe(struct irq_router *r, struct pci_dev *route
if (pci_dev_present(pirq_440gx))
return 0;
- switch(device)
- {
- case PCI_DEVICE_ID_INTEL_82371FB_0:
- case PCI_DEVICE_ID_INTEL_82371SB_0:
- case PCI_DEVICE_ID_INTEL_82371AB_0:
- case PCI_DEVICE_ID_INTEL_82371MX:
- case PCI_DEVICE_ID_INTEL_82443MX_0:
- case PCI_DEVICE_ID_INTEL_82801AA_0:
- case PCI_DEVICE_ID_INTEL_82801AB_0:
- case PCI_DEVICE_ID_INTEL_82801BA_0:
- case PCI_DEVICE_ID_INTEL_82801BA_10:
- case PCI_DEVICE_ID_INTEL_82801CA_0:
- case PCI_DEVICE_ID_INTEL_82801CA_12:
- case PCI_DEVICE_ID_INTEL_82801DB_0:
- case PCI_DEVICE_ID_INTEL_82801E_0:
- case PCI_DEVICE_ID_INTEL_82801EB_0:
- case PCI_DEVICE_ID_INTEL_ESB_1:
- case PCI_DEVICE_ID_INTEL_ICH6_0:
- case PCI_DEVICE_ID_INTEL_ICH6_1:
- case PCI_DEVICE_ID_INTEL_ICH7_0:
- case PCI_DEVICE_ID_INTEL_ICH7_1:
- case PCI_DEVICE_ID_INTEL_ICH7_30:
- case PCI_DEVICE_ID_INTEL_ICH7_31:
- case PCI_DEVICE_ID_INTEL_ESB2_0:
- case PCI_DEVICE_ID_INTEL_ICH8_0:
- case PCI_DEVICE_ID_INTEL_ICH8_1:
- case PCI_DEVICE_ID_INTEL_ICH8_2:
- case PCI_DEVICE_ID_INTEL_ICH8_3:
- case PCI_DEVICE_ID_INTEL_ICH8_4:
- case PCI_DEVICE_ID_INTEL_ICH9_0:
- case PCI_DEVICE_ID_INTEL_ICH9_1:
- case PCI_DEVICE_ID_INTEL_ICH9_2:
- case PCI_DEVICE_ID_INTEL_ICH9_3:
- case PCI_DEVICE_ID_INTEL_ICH9_4:
- case PCI_DEVICE_ID_INTEL_ICH9_5:
- case PCI_DEVICE_ID_INTEL_TOLAPAI_0:
- case PCI_DEVICE_ID_INTEL_ICH10_0:
- case PCI_DEVICE_ID_INTEL_ICH10_1:
- case PCI_DEVICE_ID_INTEL_ICH10_2:
- case PCI_DEVICE_ID_INTEL_ICH10_3:
- r->name = "PIIX/ICH";
- r->get = pirq_piix_get;
- r->set = pirq_piix_set;
- return 1;
+ switch (device) {
+ case PCI_DEVICE_ID_INTEL_82371FB_0:
+ case PCI_DEVICE_ID_INTEL_82371SB_0:
+ case PCI_DEVICE_ID_INTEL_82371AB_0:
+ case PCI_DEVICE_ID_INTEL_82371MX:
+ case PCI_DEVICE_ID_INTEL_82443MX_0:
+ case PCI_DEVICE_ID_INTEL_82801AA_0:
+ case PCI_DEVICE_ID_INTEL_82801AB_0:
+ case PCI_DEVICE_ID_INTEL_82801BA_0:
+ case PCI_DEVICE_ID_INTEL_82801BA_10:
+ case PCI_DEVICE_ID_INTEL_82801CA_0:
+ case PCI_DEVICE_ID_INTEL_82801CA_12:
+ case PCI_DEVICE_ID_INTEL_82801DB_0:
+ case PCI_DEVICE_ID_INTEL_82801E_0:
+ case PCI_DEVICE_ID_INTEL_82801EB_0:
+ case PCI_DEVICE_ID_INTEL_ESB_1:
+ case PCI_DEVICE_ID_INTEL_ICH6_0:
+ case PCI_DEVICE_ID_INTEL_ICH6_1:
+ case PCI_DEVICE_ID_INTEL_ICH7_0:
+ case PCI_DEVICE_ID_INTEL_ICH7_1:
+ case PCI_DEVICE_ID_INTEL_ICH7_30:
+ case PCI_DEVICE_ID_INTEL_ICH7_31:
+ case PCI_DEVICE_ID_INTEL_ESB2_0:
+ case PCI_DEVICE_ID_INTEL_ICH8_0:
+ case PCI_DEVICE_ID_INTEL_ICH8_1:
+ case PCI_DEVICE_ID_INTEL_ICH8_2:
+ case PCI_DEVICE_ID_INTEL_ICH8_3:
+ case PCI_DEVICE_ID_INTEL_ICH8_4:
+ case PCI_DEVICE_ID_INTEL_ICH9_0:
+ case PCI_DEVICE_ID_INTEL_ICH9_1:
+ case PCI_DEVICE_ID_INTEL_ICH9_2:
+ case PCI_DEVICE_ID_INTEL_ICH9_3:
+ case PCI_DEVICE_ID_INTEL_ICH9_4:
+ case PCI_DEVICE_ID_INTEL_ICH9_5:
+ case PCI_DEVICE_ID_INTEL_TOLAPAI_0:
+ case PCI_DEVICE_ID_INTEL_ICH10_0:
+ case PCI_DEVICE_ID_INTEL_ICH10_1:
+ case PCI_DEVICE_ID_INTEL_ICH10_2:
+ case PCI_DEVICE_ID_INTEL_ICH10_3:
+ r->name = "PIIX/ICH";
+ r->get = pirq_piix_get;
+ r->set = pirq_piix_set;
+ return 1;
}
return 0;
}
@@ -606,7 +601,7 @@ static __init int via_router_probe(struct irq_router *r,
* workarounds for some buggy BIOSes
*/
if (device == PCI_DEVICE_ID_VIA_82C586_0) {
- switch(router->device) {
+ switch (router->device) {
case PCI_DEVICE_ID_VIA_82C686:
/*
* Asus k7m bios wrongly reports 82C686A
@@ -631,7 +626,7 @@ static __init int via_router_probe(struct irq_router *r,
}
}
- switch(device) {
+ switch (device) {
case PCI_DEVICE_ID_VIA_82C586_0:
r->name = "VIA";
r->get = pirq_via586_get;
@@ -654,13 +649,12 @@ static __init int via_router_probe(struct irq_router *r,
static __init int vlsi_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
{
- switch(device)
- {
- case PCI_DEVICE_ID_VLSI_82C534:
- r->name = "VLSI 82C534";
- r->get = pirq_vlsi_get;
- r->set = pirq_vlsi_set;
- return 1;
+ switch (device) {
+ case PCI_DEVICE_ID_VLSI_82C534:
+ r->name = "VLSI 82C534";
+ r->get = pirq_vlsi_get;
+ r->set = pirq_vlsi_set;
+ return 1;
}
return 0;
}
@@ -668,14 +662,13 @@ static __init int vlsi_router_probe(struct irq_router *r, struct pci_dev *router
static __init int serverworks_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
{
- switch(device)
- {
- case PCI_DEVICE_ID_SERVERWORKS_OSB4:
- case PCI_DEVICE_ID_SERVERWORKS_CSB5:
- r->name = "ServerWorks";
- r->get = pirq_serverworks_get;
- r->set = pirq_serverworks_set;
- return 1;
+ switch (device) {
+ case PCI_DEVICE_ID_SERVERWORKS_OSB4:
+ case PCI_DEVICE_ID_SERVERWORKS_CSB5:
+ r->name = "ServerWorks";
+ r->get = pirq_serverworks_get;
+ r->set = pirq_serverworks_set;
+ return 1;
}
return 0;
}
@@ -684,7 +677,7 @@ static __init int sis_router_probe(struct irq_router *r, struct pci_dev *router,
{
if (device != PCI_DEVICE_ID_SI_503)
return 0;
-
+
r->name = "SIS";
r->get = pirq_sis_get;
r->set = pirq_sis_set;
@@ -693,47 +686,43 @@ static __init int sis_router_probe(struct irq_router *r, struct pci_dev *router,
static __init int cyrix_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
{
- switch(device)
- {
- case PCI_DEVICE_ID_CYRIX_5520:
- r->name = "NatSemi";
- r->get = pirq_cyrix_get;
- r->set = pirq_cyrix_set;
- return 1;
+ switch (device) {
+ case PCI_DEVICE_ID_CYRIX_5520:
+ r->name = "NatSemi";
+ r->get = pirq_cyrix_get;
+ r->set = pirq_cyrix_set;
+ return 1;
}
return 0;
}
static __init int opti_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
{
- switch(device)
- {
- case PCI_DEVICE_ID_OPTI_82C700:
- r->name = "OPTI";
- r->get = pirq_opti_get;
- r->set = pirq_opti_set;
- return 1;
+ switch (device) {
+ case PCI_DEVICE_ID_OPTI_82C700:
+ r->name = "OPTI";
+ r->get = pirq_opti_get;
+ r->set = pirq_opti_set;
+ return 1;
}
return 0;
}
static __init int ite_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
{
- switch(device)
- {
- case PCI_DEVICE_ID_ITE_IT8330G_0:
- r->name = "ITE";
- r->get = pirq_ite_get;
- r->set = pirq_ite_set;
- return 1;
+ switch (device) {
+ case PCI_DEVICE_ID_ITE_IT8330G_0:
+ r->name = "ITE";
+ r->get = pirq_ite_get;
+ r->set = pirq_ite_set;
+ return 1;
}
return 0;
}
static __init int ali_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
{
- switch(device)
- {
+ switch (device) {
case PCI_DEVICE_ID_AL_M1533:
case PCI_DEVICE_ID_AL_M1563:
printk(KERN_DEBUG "PCI: Using ALI IRQ Router\n");
@@ -747,25 +736,24 @@ static __init int ali_router_probe(struct irq_router *r, struct pci_dev *router,
static __init int amd_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
{
- switch(device)
- {
- case PCI_DEVICE_ID_AMD_VIPER_740B:
- r->name = "AMD756";
- break;
- case PCI_DEVICE_ID_AMD_VIPER_7413:
- r->name = "AMD766";
- break;
- case PCI_DEVICE_ID_AMD_VIPER_7443:
- r->name = "AMD768";
- break;
- default:
- return 0;
+ switch (device) {
+ case PCI_DEVICE_ID_AMD_VIPER_740B:
+ r->name = "AMD756";
+ break;
+ case PCI_DEVICE_ID_AMD_VIPER_7413:
+ r->name = "AMD766";
+ break;
+ case PCI_DEVICE_ID_AMD_VIPER_7443:
+ r->name = "AMD768";
+ break;
+ default:
+ return 0;
}
r->get = pirq_amd756_get;
r->set = pirq_amd756_set;
return 1;
}
-
+
static __init int pico_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
{
switch (device) {
@@ -807,7 +795,7 @@ static struct pci_dev *pirq_router_dev;
* FIXME: should we have an option to say "generic for
* chipset" ?
*/
-
+
static void __init pirq_find_router(struct irq_router *r)
{
struct irq_routing_table *rt = pirq_table;
@@ -826,7 +814,7 @@ static void __init pirq_find_router(struct irq_router *r)
r->name = "default";
r->get = NULL;
r->set = NULL;
-
+
DBG(KERN_DEBUG "PCI: Attempting to find IRQ router for %04x:%04x\n",
rt->rtr_vendor, rt->rtr_device);
@@ -837,7 +825,7 @@ static void __init pirq_find_router(struct irq_router *r)
return;
}
- for( h = pirq_routers; h->vendor; h++) {
+ for (h = pirq_routers; h->vendor; h++) {
/* First look for a router match */
if (rt->rtr_vendor == h->vendor && h->probe(r, pirq_router_dev, rt->rtr_device))
break;
@@ -889,7 +877,7 @@ static int pcibios_lookup_irq(struct pci_dev *dev, int assign)
if (!pirq_table)
return 0;
-
+
DBG(KERN_DEBUG "IRQ for %s[%c]", pci_name(dev), 'A' + pin);
info = pirq_get_info(dev);
if (!info) {
@@ -928,8 +916,10 @@ static int pcibios_lookup_irq(struct pci_dev *dev, int assign)
*/
newirq = dev->irq;
if (newirq && !((1 << newirq) & mask)) {
- if ( pci_probe & PCI_USE_PIRQ_MASK) newirq = 0;
- else printk("\n" KERN_WARNING
+ if (pci_probe & PCI_USE_PIRQ_MASK)
+ newirq = 0;
+ else
+ printk("\n" KERN_WARNING
"PCI: IRQ %i for device %s doesn't match PIRQ mask "
"- try pci=usepirqmask\n" KERN_DEBUG, newirq,
pci_name(dev));
@@ -949,8 +939,8 @@ static int pcibios_lookup_irq(struct pci_dev *dev, int assign)
irq = pirq & 0xf;
DBG(" -> hardcoded IRQ %d\n", irq);
msg = "Hardcoded";
- } else if ( r->get && (irq = r->get(pirq_router_dev, dev, pirq)) && \
- ((!(pci_probe & PCI_USE_PIRQ_MASK)) || ((1 << irq) & mask)) ) {
+ } else if (r->get && (irq = r->get(pirq_router_dev, dev, pirq)) && \
+ ((!(pci_probe & PCI_USE_PIRQ_MASK)) || ((1 << irq) & mask))) {
DBG(" -> got IRQ %d\n", irq);
msg = "Found";
eisa_set_level_irq(irq);
@@ -985,15 +975,15 @@ static int pcibios_lookup_irq(struct pci_dev *dev, int assign)
continue;
if (info->irq[pin].link == pirq) {
/* We refuse to override the dev->irq information. Give a warning! */
- if ( dev2->irq && dev2->irq != irq && \
+ if (dev2->irq && dev2->irq != irq && \
(!(pci_probe & PCI_USE_PIRQ_MASK) || \
- ((1 << dev2->irq) & mask)) ) {
+ ((1 << dev2->irq) & mask))) {
#ifndef CONFIG_PCI_MSI
- printk(KERN_INFO "IRQ routing conflict for %s, have irq %d, want irq %d\n",
+ printk(KERN_INFO "IRQ routing conflict for %s, have irq %d, want irq %d\n",
pci_name(dev2), dev2->irq, irq);
#endif
- continue;
- }
+ continue;
+ }
dev2->irq = irq;
pirq_penalty[irq]++;
if (dev != dev2)
@@ -1031,8 +1021,7 @@ static void __init pcibios_fixup_irqs(void)
/*
* Recalculate IRQ numbers if we use the I/O APIC.
*/
- if (io_apic_assign_pci_irqs)
- {
+ if (io_apic_assign_pci_irqs) {
int irq;
if (pin) {
@@ -1045,10 +1034,10 @@ static void __init pcibios_fixup_irqs(void)
* busses itself so we should get into this branch reliably.
*/
if (irq < 0 && dev->bus->parent) { /* go back to the bridge */
- struct pci_dev * bridge = dev->bus->self;
+ struct pci_dev *bridge = dev->bus->self;
pin = (pin + PCI_SLOT(dev->devfn)) % 4;
- irq = IO_APIC_get_PCI_irq_vector(bridge->bus->number,
+ irq = IO_APIC_get_PCI_irq_vector(bridge->bus->number,
PCI_SLOT(bridge->devfn), pin);
if (irq >= 0)
printk(KERN_WARNING "PCI: using PPB %s[%c] to get irq %d\n",
@@ -1118,7 +1107,7 @@ static struct dmi_system_id __initdata pciirq_dmi_table[] = {
{ }
};
-static int __init pcibios_irq_init(void)
+int __init pcibios_irq_init(void)
{
DBG(KERN_DEBUG "PCI: IRQ init\n");
@@ -1138,7 +1127,7 @@ static int __init pcibios_irq_init(void)
pirq_find_router(&pirq_router);
if (pirq_table->exclusive_irqs) {
int i;
- for (i=0; i<16; i++)
+ for (i = 0; i < 16; i++)
if (!(pirq_table->exclusive_irqs & (1 << i)))
pirq_penalty[i] += 100;
}
@@ -1153,9 +1142,6 @@ static int __init pcibios_irq_init(void)
return 0;
}
-subsys_initcall(pcibios_irq_init);
-
-
static void pirq_penalize_isa_irq(int irq, int active)
{
/*
@@ -1203,10 +1189,10 @@ static int pirq_enable_irq(struct pci_dev *dev)
*/
temp_dev = dev;
while (irq < 0 && dev->bus->parent) { /* go back to the bridge */
- struct pci_dev * bridge = dev->bus->self;
+ struct pci_dev *bridge = dev->bus->self;
pin = (pin + PCI_SLOT(dev->devfn)) % 4;
- irq = IO_APIC_get_PCI_irq_vector(bridge->bus->number,
+ irq = IO_APIC_get_PCI_irq_vector(bridge->bus->number,
PCI_SLOT(bridge->devfn), pin);
if (irq >= 0)
printk(KERN_WARNING "PCI: using PPB %s[%c] to get irq %d\n",
diff --git a/arch/x86/pci/legacy.c b/arch/x86/pci/legacy.c
index a67921ce60a..132876cc6fc 100644
--- a/arch/x86/pci/legacy.c
+++ b/arch/x86/pci/legacy.c
@@ -55,4 +55,18 @@ static int __init pci_legacy_init(void)
return 0;
}
-subsys_initcall(pci_legacy_init);
+int __init pci_subsys_init(void)
+{
+#ifdef CONFIG_ACPI
+ pci_acpi_init();
+#endif
+ pci_legacy_init();
+ pcibios_irq_init();
+#ifdef CONFIG_X86_NUMAQ
+ pci_numa_init();
+#endif
+ pcibios_init();
+
+ return 0;
+}
+subsys_initcall(pci_subsys_init);
diff --git a/arch/x86/pci/mmconfig-shared.c b/arch/x86/pci/mmconfig-shared.c
index 0cfebecf2a8..23faaa890ff 100644
--- a/arch/x86/pci/mmconfig-shared.c
+++ b/arch/x86/pci/mmconfig-shared.c
@@ -374,7 +374,7 @@ reject:
static int __initdata known_bridge;
-void __init __pci_mmcfg_init(int early)
+static void __init __pci_mmcfg_init(int early)
{
/* MMCONFIG disabled */
if ((pci_probe & PCI_PROBE_MMCONF) == 0)
diff --git a/arch/x86/pci/mp_bus_to_node.c b/arch/x86/pci/mp_bus_to_node.c
deleted file mode 100644
index 022943999b8..00000000000
--- a/arch/x86/pci/mp_bus_to_node.c
+++ /dev/null
@@ -1,23 +0,0 @@
-#include <linux/pci.h>
-#include <linux/init.h>
-#include <linux/topology.h>
-
-#define BUS_NR 256
-
-static unsigned char mp_bus_to_node[BUS_NR];
-
-void set_mp_bus_to_node(int busnum, int node)
-{
- if (busnum >= 0 && busnum < BUS_NR)
- mp_bus_to_node[busnum] = (unsigned char) node;
-}
-
-int get_mp_bus_to_node(int busnum)
-{
- int node;
-
- if (busnum < 0 || busnum > (BUS_NR - 1))
- return 0;
- node = mp_bus_to_node[busnum];
- return node;
-}
diff --git a/arch/x86/pci/numa.c b/arch/x86/pci/numa.c
index d9afbae5092..8b5ca196673 100644
--- a/arch/x86/pci/numa.c
+++ b/arch/x86/pci/numa.c
@@ -6,45 +6,21 @@
#include <linux/init.h>
#include <linux/nodemask.h>
#include <mach_apic.h>
+#include <asm/mpspec.h>
#include "pci.h"
#define XQUAD_PORTIO_BASE 0xfe400000
#define XQUAD_PORTIO_QUAD 0x40000 /* 256k per quad. */
-int mp_bus_id_to_node[MAX_MP_BUSSES];
#define BUS2QUAD(global) (mp_bus_id_to_node[global])
-int mp_bus_id_to_local[MAX_MP_BUSSES];
#define BUS2LOCAL(global) (mp_bus_id_to_local[global])
-void mpc_oem_bus_info(struct mpc_config_bus *m, char *name,
- struct mpc_config_translation *translation)
-{
- int quad = translation->trans_quad;
- int local = translation->trans_local;
-
- mp_bus_id_to_node[m->mpc_busid] = quad;
- mp_bus_id_to_local[m->mpc_busid] = local;
- printk(KERN_INFO "Bus #%d is %s (node %d)\n",
- m->mpc_busid, name, quad);
-}
-
-int quad_local_to_mp_bus_id [NR_CPUS/4][4];
#define QUADLOCAL2BUS(quad,local) (quad_local_to_mp_bus_id[quad][local])
-void mpc_oem_pci_bus(struct mpc_config_bus *m,
- struct mpc_config_translation *translation)
-{
- int quad = translation->trans_quad;
- int local = translation->trans_local;
-
- quad_local_to_mp_bus_id[quad][local] = m->mpc_busid;
-}
/* Where the IO area was mapped on multiquad, always 0 otherwise */
void *xquad_portio;
-#ifdef CONFIG_X86_NUMAQ
EXPORT_SYMBOL(xquad_portio);
-#endif
#define XQUAD_PORT_ADDR(port, quad) (xquad_portio + (XQUAD_PORTIO_QUAD*quad) + port)
@@ -175,10 +151,13 @@ static void __devinit pci_fixup_i450nx(struct pci_dev *d)
}
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82451NX, pci_fixup_i450nx);
-static int __init pci_numa_init(void)
+int __init pci_numa_init(void)
{
int quad;
+ if (!found_numaq)
+ return 0;
+
raw_pci_ops = &pci_direct_conf1_mq;
if (pcibios_scanned++)
@@ -197,5 +176,3 @@ static int __init pci_numa_init(void)
}
return 0;
}
-
-subsys_initcall(pci_numa_init);
diff --git a/arch/x86/pci/pci.h b/arch/x86/pci/pci.h
index 720c4c55453..b2270a55b0c 100644
--- a/arch/x86/pci/pci.h
+++ b/arch/x86/pci/pci.h
@@ -27,6 +27,7 @@
#define PCI_CAN_SKIP_ISA_ALIGN 0x8000
#define PCI_USE__CRS 0x10000
#define PCI_CHECK_ENABLE_AMD_MMCONF 0x20000
+#define PCI_HAS_IO_ECS 0x40000
extern unsigned int pci_probe;
extern unsigned long pirq_table_addr;
@@ -38,9 +39,6 @@ enum pci_bf_sort_state {
pci_dmi_bf,
};
-extern void __init dmi_check_pciprobe(void);
-extern void __init dmi_check_skip_isa_align(void);
-
/* pci-i386.c */
extern unsigned int pcibios_max_latency;
@@ -98,10 +96,19 @@ extern struct pci_raw_ops *raw_pci_ext_ops;
extern struct pci_raw_ops pci_direct_conf1;
+/* arch_initcall level */
extern int pci_direct_probe(void);
extern void pci_direct_init(int type);
extern void pci_pcbios_init(void);
extern int pci_olpc_init(void);
+extern void __init dmi_check_pciprobe(void);
+extern void __init dmi_check_skip_isa_align(void);
+
+/* some common used subsys_initcalls */
+extern int __init pci_acpi_init(void);
+extern int __init pcibios_irq_init(void);
+extern int __init pci_numa_init(void);
+extern int __init pcibios_init(void);
/* pci-mmconfig.c */
diff --git a/arch/x86/pci/visws.c b/arch/x86/pci/visws.c
index c2df4e97eed..1a7bed492bb 100644
--- a/arch/x86/pci/visws.c
+++ b/arch/x86/pci/visws.c
@@ -8,18 +8,19 @@
#include <linux/pci.h>
#include <linux/init.h>
-#include "cobalt.h"
-#include "lithium.h"
+#include <asm/setup.h>
+#include <asm/visws/cobalt.h>
+#include <asm/visws/lithium.h>
#include "pci.h"
static int pci_visws_enable_irq(struct pci_dev *dev) { return 0; }
static void pci_visws_disable_irq(struct pci_dev *dev) { }
-int (*pcibios_enable_irq)(struct pci_dev *dev) = &pci_visws_enable_irq;
-void (*pcibios_disable_irq)(struct pci_dev *dev) = &pci_visws_disable_irq;
+/* int (*pcibios_enable_irq)(struct pci_dev *dev) = &pci_visws_enable_irq; */
+/* void (*pcibios_disable_irq)(struct pci_dev *dev) = &pci_visws_disable_irq; */
-void __init pcibios_penalize_isa_irq(int irq, int active) {}
+/* void __init pcibios_penalize_isa_irq(int irq, int active) {} */
unsigned int pci_bus0, pci_bus1;
@@ -85,7 +86,7 @@ void __init pcibios_update_irq(struct pci_dev *dev, int irq)
pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq);
}
-static int __init pcibios_init(void)
+static int __init pci_visws_init(void)
{
/* The VISWS supports configuration access type 1 only */
pci_probe = (pci_probe | PCI_PROBE_CONF1) &
@@ -105,4 +106,17 @@ static int __init pcibios_init(void)
return 0;
}
-subsys_initcall(pcibios_init);
+static __init int pci_subsys_init(void)
+{
+ if (!is_visws_box())
+ return -1;
+
+ pcibios_enable_irq = &pci_visws_enable_irq;
+ pcibios_disable_irq = &pci_visws_disable_irq;
+
+ pci_visws_init();
+ pcibios_init();
+
+ return 0;
+}
+subsys_initcall(pci_subsys_init);
diff --git a/arch/x86/power/hibernate_64.c b/arch/x86/power/hibernate_64.c
index b542355e0e3..6dd000dd793 100644
--- a/arch/x86/power/hibernate_64.c
+++ b/arch/x86/power/hibernate_64.c
@@ -83,7 +83,7 @@ static int set_up_temporary_mappings(void)
/* Set up the direct mapping from scratch */
start = (unsigned long)pfn_to_kaddr(0);
- end = (unsigned long)pfn_to_kaddr(end_pfn);
+ end = (unsigned long)pfn_to_kaddr(max_pfn);
for (; start < end; start = next) {
pud_t *pud = (pud_t *)get_safe_page(GFP_ATOMIC);
diff --git a/arch/x86/vdso/vclock_gettime.c b/arch/x86/vdso/vclock_gettime.c
index efa2ba7c600..1ef0f90813d 100644
--- a/arch/x86/vdso/vclock_gettime.c
+++ b/arch/x86/vdso/vclock_gettime.c
@@ -23,7 +23,7 @@
#define gtod vdso_vsyscall_gtod_data
-static long vdso_fallback_gettime(long clock, struct timespec *ts)
+notrace static long vdso_fallback_gettime(long clock, struct timespec *ts)
{
long ret;
asm("syscall" : "=a" (ret) :
@@ -31,7 +31,7 @@ static long vdso_fallback_gettime(long clock, struct timespec *ts)
return ret;
}
-static inline long vgetns(void)
+notrace static inline long vgetns(void)
{
long v;
cycles_t (*vread)(void);
@@ -40,7 +40,7 @@ static inline long vgetns(void)
return (v * gtod->clock.mult) >> gtod->clock.shift;
}
-static noinline int do_realtime(struct timespec *ts)
+notrace static noinline int do_realtime(struct timespec *ts)
{
unsigned long seq, ns;
do {
@@ -54,7 +54,8 @@ static noinline int do_realtime(struct timespec *ts)
}
/* Copy of the version in kernel/time.c which we cannot directly access */
-static void vset_normalized_timespec(struct timespec *ts, long sec, long nsec)
+notrace static void
+vset_normalized_timespec(struct timespec *ts, long sec, long nsec)
{
while (nsec >= NSEC_PER_SEC) {
nsec -= NSEC_PER_SEC;
@@ -68,7 +69,7 @@ static void vset_normalized_timespec(struct timespec *ts, long sec, long nsec)
ts->tv_nsec = nsec;
}
-static noinline int do_monotonic(struct timespec *ts)
+notrace static noinline int do_monotonic(struct timespec *ts)
{
unsigned long seq, ns, secs;
do {
@@ -82,7 +83,7 @@ static noinline int do_monotonic(struct timespec *ts)
return 0;
}
-int __vdso_clock_gettime(clockid_t clock, struct timespec *ts)
+notrace int __vdso_clock_gettime(clockid_t clock, struct timespec *ts)
{
if (likely(gtod->sysctl_enabled && gtod->clock.vread))
switch (clock) {
@@ -96,7 +97,7 @@ int __vdso_clock_gettime(clockid_t clock, struct timespec *ts)
int clock_gettime(clockid_t, struct timespec *)
__attribute__((weak, alias("__vdso_clock_gettime")));
-int __vdso_gettimeofday(struct timeval *tv, struct timezone *tz)
+notrace int __vdso_gettimeofday(struct timeval *tv, struct timezone *tz)
{
long ret;
if (likely(gtod->sysctl_enabled && gtod->clock.vread)) {
diff --git a/arch/x86/vdso/vdso32-setup.c b/arch/x86/vdso/vdso32-setup.c
index cf058fecfce..0bce5429a51 100644
--- a/arch/x86/vdso/vdso32-setup.c
+++ b/arch/x86/vdso/vdso32-setup.c
@@ -203,20 +203,11 @@ static struct page *vdso32_pages[1];
#ifdef CONFIG_X86_64
-static int use_sysenter __read_mostly = -1;
-
-#define vdso32_sysenter() (use_sysenter > 0)
+#define vdso32_sysenter() (boot_cpu_has(X86_FEATURE_SYSENTER32))
/* May not be __init: called during resume */
void syscall32_cpu_init(void)
{
- if (use_sysenter < 0) {
- if (boot_cpu_data.x86_vendor == X86_VENDOR_INTEL)
- use_sysenter = 1;
- if (boot_cpu_data.x86_vendor == X86_VENDOR_CENTAUR)
- use_sysenter = 1;
- }
-
/* Load these always in case some future AMD CPU supports
SYSENTER from compat mode too. */
checking_wrmsrl(MSR_IA32_SYSENTER_CS, (u64)__KERNEL_CS);
diff --git a/arch/x86/vdso/vgetcpu.c b/arch/x86/vdso/vgetcpu.c
index c8097f17f8a..9fbc6b20026 100644
--- a/arch/x86/vdso/vgetcpu.c
+++ b/arch/x86/vdso/vgetcpu.c
@@ -13,7 +13,8 @@
#include <asm/vgtod.h>
#include "vextern.h"
-long __vdso_getcpu(unsigned *cpu, unsigned *node, struct getcpu_cache *unused)
+notrace long
+__vdso_getcpu(unsigned *cpu, unsigned *node, struct getcpu_cache *unused)
{
unsigned int p;
diff --git a/arch/x86/vdso/vma.c b/arch/x86/vdso/vma.c
index 3fdd51497a8..19a6cfaf5db 100644
--- a/arch/x86/vdso/vma.c
+++ b/arch/x86/vdso/vma.c
@@ -16,7 +16,7 @@
#include "vextern.h" /* Just for VMAGIC. */
#undef VEXTERN
-int vdso_enabled = 1;
+unsigned int __read_mostly vdso_enabled = 1;
extern char vdso_start[], vdso_end[];
extern unsigned short vdso_sync_cpuid;
diff --git a/arch/x86/xen/Kconfig b/arch/x86/xen/Kconfig
index 6c388e593bc..c2cc9958087 100644
--- a/arch/x86/xen/Kconfig
+++ b/arch/x86/xen/Kconfig
@@ -12,3 +12,13 @@ config XEN
This is the Linux Xen port. Enabling this will allow the
kernel to boot in a paravirtualized environment under the
Xen hypervisor.
+
+config XEN_MAX_DOMAIN_MEMORY
+ int "Maximum allowed size of a domain in gigabytes"
+ default 8
+ depends on XEN
+ help
+ The pseudo-physical to machine address array is sized
+ according to the maximum possible memory size of a Xen
+ domain. This array uses 1 page per gigabyte, so there's no
+ need to be too stingy here. \ No newline at end of file
diff --git a/arch/x86/xen/Makefile b/arch/x86/xen/Makefile
index 3d8df981d5f..2ba2d164913 100644
--- a/arch/x86/xen/Makefile
+++ b/arch/x86/xen/Makefile
@@ -1,4 +1,4 @@
obj-y := enlighten.o setup.o multicalls.o mmu.o \
- time.o manage.o xen-asm.o grant-table.o
+ time.o xen-asm.o grant-table.o suspend.o
obj-$(CONFIG_SMP) += smp.o
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index f09c1c69c37..bb508456ef5 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -45,6 +45,7 @@
#include <asm/pgtable.h>
#include <asm/tlbflush.h>
#include <asm/reboot.h>
+#include <asm/pgalloc.h>
#include "xen-ops.h"
#include "mmu.h"
@@ -75,13 +76,13 @@ DEFINE_PER_CPU(unsigned long, xen_current_cr3); /* actual vcpu cr3 */
struct start_info *xen_start_info;
EXPORT_SYMBOL_GPL(xen_start_info);
-static /* __initdata */ struct shared_info dummy_shared_info;
+struct shared_info xen_dummy_shared_info;
/*
* Point at some empty memory to start with. We map the real shared_info
* page as soon as fixmap is up and running.
*/
-struct shared_info *HYPERVISOR_shared_info = (void *)&dummy_shared_info;
+struct shared_info *HYPERVISOR_shared_info = (void *)&xen_dummy_shared_info;
/*
* Flag to determine whether vcpu info placement is available on all
@@ -98,13 +99,13 @@ struct shared_info *HYPERVISOR_shared_info = (void *)&dummy_shared_info;
*/
static int have_vcpu_info_placement = 1;
-static void __init xen_vcpu_setup(int cpu)
+static void xen_vcpu_setup(int cpu)
{
struct vcpu_register_vcpu_info info;
int err;
struct vcpu_info *vcpup;
- BUG_ON(HYPERVISOR_shared_info == &dummy_shared_info);
+ BUG_ON(HYPERVISOR_shared_info == &xen_dummy_shared_info);
per_cpu(xen_vcpu, cpu) = &HYPERVISOR_shared_info->vcpu_info[cpu];
if (!have_vcpu_info_placement)
@@ -136,11 +137,41 @@ static void __init xen_vcpu_setup(int cpu)
}
}
+/*
+ * On restore, set the vcpu placement up again.
+ * If it fails, then we're in a bad state, since
+ * we can't back out from using it...
+ */
+void xen_vcpu_restore(void)
+{
+ if (have_vcpu_info_placement) {
+ int cpu;
+
+ for_each_online_cpu(cpu) {
+ bool other_cpu = (cpu != smp_processor_id());
+
+ if (other_cpu &&
+ HYPERVISOR_vcpu_op(VCPUOP_down, cpu, NULL))
+ BUG();
+
+ xen_vcpu_setup(cpu);
+
+ if (other_cpu &&
+ HYPERVISOR_vcpu_op(VCPUOP_up, cpu, NULL))
+ BUG();
+ }
+
+ BUG_ON(!have_vcpu_info_placement);
+ }
+}
+
static void __init xen_banner(void)
{
printk(KERN_INFO "Booting paravirtualized kernel on %s\n",
pv_info.name);
- printk(KERN_INFO "Hypervisor signature: %s\n", xen_start_info->magic);
+ printk(KERN_INFO "Hypervisor signature: %s%s\n",
+ xen_start_info->magic,
+ xen_feature(XENFEAT_mmu_pt_update_preserve_ad) ? " (preserve-AD)" : "");
}
static void xen_cpuid(unsigned int *ax, unsigned int *bx,
@@ -235,13 +266,13 @@ static void xen_irq_enable(void)
{
struct vcpu_info *vcpu;
- /* There's a one instruction preempt window here. We need to
- make sure we're don't switch CPUs between getting the vcpu
- pointer and updating the mask. */
- preempt_disable();
+ /* We don't need to worry about being preempted here, since
+ either a) interrupts are disabled, so no preemption, or b)
+ the caller is confused and is trying to re-enable interrupts
+ on an indeterminate processor. */
+
vcpu = x86_read_percpu(xen_vcpu);
vcpu->evtchn_upcall_mask = 0;
- preempt_enable_no_resched();
/* Doesn't matter if we get preempted here, because any
pending event will get dealt with anyway. */
@@ -254,7 +285,7 @@ static void xen_irq_enable(void)
static void xen_safe_halt(void)
{
/* Blocking includes an implicit local_irq_enable(). */
- if (HYPERVISOR_sched_op(SCHEDOP_block, 0) != 0)
+ if (HYPERVISOR_sched_op(SCHEDOP_block, NULL) != 0)
BUG();
}
@@ -607,6 +638,30 @@ static void xen_flush_tlb_others(const cpumask_t *cpus, struct mm_struct *mm,
xen_mc_issue(PARAVIRT_LAZY_MMU);
}
+static void xen_clts(void)
+{
+ struct multicall_space mcs;
+
+ mcs = xen_mc_entry(0);
+
+ MULTI_fpu_taskswitch(mcs.mc, 0);
+
+ xen_mc_issue(PARAVIRT_LAZY_CPU);
+}
+
+static void xen_write_cr0(unsigned long cr0)
+{
+ struct multicall_space mcs;
+
+ /* Only pay attention to cr0.TS; everything else is
+ ignored. */
+ mcs = xen_mc_entry(0);
+
+ MULTI_fpu_taskswitch(mcs.mc, (cr0 & X86_CR0_TS) != 0);
+
+ xen_mc_issue(PARAVIRT_LAZY_CPU);
+}
+
static void xen_write_cr2(unsigned long cr2)
{
x86_read_percpu(xen_vcpu)->arch.cr2 = cr2;
@@ -624,8 +679,10 @@ static unsigned long xen_read_cr2_direct(void)
static void xen_write_cr4(unsigned long cr4)
{
- /* Just ignore cr4 changes; Xen doesn't allow us to do
- anything anyway. */
+ cr4 &= ~X86_CR4_PGE;
+ cr4 &= ~X86_CR4_PSE;
+
+ native_write_cr4(cr4);
}
static unsigned long xen_read_cr3(void)
@@ -831,7 +888,7 @@ static __init void xen_pagetable_setup_start(pgd_t *base)
PFN_DOWN(__pa(xen_start_info->pt_base)));
}
-static __init void setup_shared_info(void)
+void xen_setup_shared_info(void)
{
if (!xen_feature(XENFEAT_auto_translated_physmap)) {
unsigned long addr = fix_to_virt(FIX_PARAVIRT_BOOTMAP);
@@ -854,6 +911,8 @@ static __init void setup_shared_info(void)
/* In UP this is as good a place as any to set up shared info */
xen_setup_vcpu_info_placement();
#endif
+
+ xen_setup_mfn_list_list();
}
static __init void xen_pagetable_setup_done(pgd_t *base)
@@ -866,15 +925,23 @@ static __init void xen_pagetable_setup_done(pgd_t *base)
pv_mmu_ops.release_pmd = xen_release_pmd;
pv_mmu_ops.set_pte = xen_set_pte;
- setup_shared_info();
+ xen_setup_shared_info();
/* Actually pin the pagetable down, but we can't set PG_pinned
yet because the page structures don't exist yet. */
pin_pagetable_pfn(MMUEXT_PIN_L3_TABLE, PFN_DOWN(__pa(base)));
}
+static __init void xen_post_allocator_init(void)
+{
+ pv_mmu_ops.set_pmd = xen_set_pmd;
+ pv_mmu_ops.set_pud = xen_set_pud;
+
+ xen_mark_init_mm_pinned();
+}
+
/* This is called once we have the cpu_possible_map */
-void __init xen_setup_vcpu_info_placement(void)
+void xen_setup_vcpu_info_placement(void)
{
int cpu;
@@ -947,6 +1014,33 @@ static unsigned xen_patch(u8 type, u16 clobbers, void *insnbuf,
return ret;
}
+static void xen_set_fixmap(unsigned idx, unsigned long phys, pgprot_t prot)
+{
+ pte_t pte;
+
+ phys >>= PAGE_SHIFT;
+
+ switch (idx) {
+ case FIX_BTMAP_END ... FIX_BTMAP_BEGIN:
+#ifdef CONFIG_X86_F00F_BUG
+ case FIX_F00F_IDT:
+#endif
+ case FIX_WP_TEST:
+ case FIX_VDSO:
+#ifdef CONFIG_X86_LOCAL_APIC
+ case FIX_APIC_BASE: /* maps dummy local APIC */
+#endif
+ pte = pfn_pte(phys, prot);
+ break;
+
+ default:
+ pte = mfn_pte(phys, prot);
+ break;
+ }
+
+ __native_set_fixmap(idx, pte);
+}
+
static const struct pv_info xen_info __initdata = {
.paravirt_enabled = 1,
.shared_kernel_pmd = 0,
@@ -960,7 +1054,7 @@ static const struct pv_init_ops xen_init_ops __initdata = {
.banner = xen_banner,
.memory_setup = xen_memory_setup,
.arch_setup = xen_arch_setup,
- .post_allocator_init = xen_mark_init_mm_pinned,
+ .post_allocator_init = xen_post_allocator_init,
};
static const struct pv_time_ops xen_time_ops __initdata = {
@@ -968,7 +1062,7 @@ static const struct pv_time_ops xen_time_ops __initdata = {
.set_wallclock = xen_set_wallclock,
.get_wallclock = xen_get_wallclock,
- .get_cpu_khz = xen_cpu_khz,
+ .get_tsc_khz = xen_tsc_khz,
.sched_clock = xen_sched_clock,
};
@@ -978,10 +1072,10 @@ static const struct pv_cpu_ops xen_cpu_ops __initdata = {
.set_debugreg = xen_set_debugreg,
.get_debugreg = xen_get_debugreg,
- .clts = native_clts,
+ .clts = xen_clts,
.read_cr0 = native_read_cr0,
- .write_cr0 = native_write_cr0,
+ .write_cr0 = xen_write_cr0,
.read_cr4 = native_read_cr4,
.read_cr4_safe = native_read_cr4_safe,
@@ -995,7 +1089,7 @@ static const struct pv_cpu_ops xen_cpu_ops __initdata = {
.read_pmc = native_read_pmc,
.iret = xen_iret,
- .irq_enable_syscall_ret = xen_sysexit,
+ .irq_enable_sysexit = xen_sysexit,
.load_tr_desc = paravirt_nop,
.set_ldt = xen_set_ldt,
@@ -1029,6 +1123,9 @@ static const struct pv_irq_ops xen_irq_ops __initdata = {
.irq_enable = xen_irq_enable,
.safe_halt = xen_safe_halt,
.halt = xen_halt,
+#ifdef CONFIG_X86_64
+ .adjust_exception_frame = paravirt_nop,
+#endif
};
static const struct pv_apic_ops xen_apic_ops __initdata = {
@@ -1060,6 +1157,9 @@ static const struct pv_mmu_ops xen_mmu_ops __initdata = {
.pte_update = paravirt_nop,
.pte_update_defer = paravirt_nop,
+ .pgd_alloc = __paravirt_pgd_alloc,
+ .pgd_free = paravirt_nop,
+
.alloc_pte = xen_alloc_pte_init,
.release_pte = xen_release_pte_init,
.alloc_pmd = xen_alloc_pte_init,
@@ -1072,9 +1172,13 @@ static const struct pv_mmu_ops xen_mmu_ops __initdata = {
.set_pte = NULL, /* see xen_pagetable_setup_* */
.set_pte_at = xen_set_pte_at,
- .set_pmd = xen_set_pmd,
+ .set_pmd = xen_set_pmd_hyper,
+
+ .ptep_modify_prot_start = __ptep_modify_prot_start,
+ .ptep_modify_prot_commit = __ptep_modify_prot_commit,
.pte_val = xen_pte_val,
+ .pte_flags = native_pte_val,
.pgd_val = xen_pgd_val,
.make_pte = xen_make_pte,
@@ -1082,7 +1186,7 @@ static const struct pv_mmu_ops xen_mmu_ops __initdata = {
.set_pte_atomic = xen_set_pte_atomic,
.set_pte_present = xen_set_pte_at,
- .set_pud = xen_set_pud,
+ .set_pud = xen_set_pud_hyper,
.pte_clear = xen_pte_clear,
.pmd_clear = xen_pmd_clear,
@@ -1097,6 +1201,8 @@ static const struct pv_mmu_ops xen_mmu_ops __initdata = {
.enter = paravirt_enter_lazy_mmu,
.leave = xen_leave_lazy,
},
+
+ .set_fixmap = xen_set_fixmap,
};
#ifdef CONFIG_SMP
@@ -1108,17 +1214,21 @@ static const struct smp_ops xen_smp_ops __initdata = {
.smp_send_stop = xen_smp_send_stop,
.smp_send_reschedule = xen_smp_send_reschedule,
- .smp_call_function_mask = xen_smp_call_function_mask,
+
+ .send_call_func_ipi = xen_smp_send_call_function_ipi,
+ .send_call_func_single_ipi = xen_smp_send_call_function_single_ipi,
};
#endif /* CONFIG_SMP */
static void xen_reboot(int reason)
{
+ struct sched_shutdown r = { .reason = reason };
+
#ifdef CONFIG_SMP
smp_send_stop();
#endif
- if (HYPERVISOR_sched_op(SCHEDOP_shutdown, reason))
+ if (HYPERVISOR_sched_op(SCHEDOP_shutdown, &r))
BUG();
}
@@ -1173,6 +1283,8 @@ asmlinkage void __init xen_start_kernel(void)
BUG_ON(memcmp(xen_start_info->magic, "xen-3", 5) != 0);
+ xen_setup_features();
+
/* Install Xen paravirt ops */
pv_info = xen_info;
pv_init_ops = xen_init_ops;
@@ -1182,21 +1294,26 @@ asmlinkage void __init xen_start_kernel(void)
pv_apic_ops = xen_apic_ops;
pv_mmu_ops = xen_mmu_ops;
+ if (xen_feature(XENFEAT_mmu_pt_update_preserve_ad)) {
+ pv_mmu_ops.ptep_modify_prot_start = xen_ptep_modify_prot_start;
+ pv_mmu_ops.ptep_modify_prot_commit = xen_ptep_modify_prot_commit;
+ }
+
machine_ops = xen_machine_ops;
#ifdef CONFIG_SMP
smp_ops = xen_smp_ops;
#endif
- xen_setup_features();
-
/* Get mfn list */
if (!xen_feature(XENFEAT_auto_translated_physmap))
- phys_to_machine_mapping = (unsigned long *)xen_start_info->mfn_list;
+ xen_build_dynamic_phys_to_machine();
pgd = (pgd_t *)xen_start_info->pt_base;
+ init_pg_tables_start = __pa(pgd);
init_pg_tables_end = __pa(pgd) + xen_start_info->nr_pt_frames*PAGE_SIZE;
+ max_pfn_mapped = (init_pg_tables_end + 512*1024) >> PAGE_SHIFT;
init_mm.pgd = pgd; /* use the Xen pagetables to start */
@@ -1232,9 +1349,12 @@ asmlinkage void __init xen_start_kernel(void)
? __pa(xen_start_info->mod_start) : 0;
boot_params.hdr.ramdisk_size = xen_start_info->mod_len;
- if (!is_initial_xendomain())
+ if (!is_initial_xendomain()) {
+ add_preferred_console("xenboot", 0, NULL);
+ add_preferred_console("tty", 0, NULL);
add_preferred_console("hvc", 0, NULL);
+ }
/* Start the world */
- start_kernel();
+ i386_start_kernel();
}
diff --git a/arch/x86/xen/manage.c b/arch/x86/xen/manage.c
deleted file mode 100644
index aa7af9e6abc..00000000000
--- a/arch/x86/xen/manage.c
+++ /dev/null
@@ -1,143 +0,0 @@
-/*
- * Handle extern requests for shutdown, reboot and sysrq
- */
-#include <linux/kernel.h>
-#include <linux/err.h>
-#include <linux/reboot.h>
-#include <linux/sysrq.h>
-
-#include <xen/xenbus.h>
-
-#define SHUTDOWN_INVALID -1
-#define SHUTDOWN_POWEROFF 0
-#define SHUTDOWN_SUSPEND 2
-/* Code 3 is SHUTDOWN_CRASH, which we don't use because the domain can only
- * report a crash, not be instructed to crash!
- * HALT is the same as POWEROFF, as far as we're concerned. The tools use
- * the distinction when we return the reason code to them.
- */
-#define SHUTDOWN_HALT 4
-
-/* Ignore multiple shutdown requests. */
-static int shutting_down = SHUTDOWN_INVALID;
-
-static void shutdown_handler(struct xenbus_watch *watch,
- const char **vec, unsigned int len)
-{
- char *str;
- struct xenbus_transaction xbt;
- int err;
-
- if (shutting_down != SHUTDOWN_INVALID)
- return;
-
- again:
- err = xenbus_transaction_start(&xbt);
- if (err)
- return;
-
- str = (char *)xenbus_read(xbt, "control", "shutdown", NULL);
- /* Ignore read errors and empty reads. */
- if (XENBUS_IS_ERR_READ(str)) {
- xenbus_transaction_end(xbt, 1);
- return;
- }
-
- xenbus_write(xbt, "control", "shutdown", "");
-
- err = xenbus_transaction_end(xbt, 0);
- if (err == -EAGAIN) {
- kfree(str);
- goto again;
- }
-
- if (strcmp(str, "poweroff") == 0 ||
- strcmp(str, "halt") == 0)
- orderly_poweroff(false);
- else if (strcmp(str, "reboot") == 0)
- ctrl_alt_del();
- else {
- printk(KERN_INFO "Ignoring shutdown request: %s\n", str);
- shutting_down = SHUTDOWN_INVALID;
- }
-
- kfree(str);
-}
-
-static void sysrq_handler(struct xenbus_watch *watch, const char **vec,
- unsigned int len)
-{
- char sysrq_key = '\0';
- struct xenbus_transaction xbt;
- int err;
-
- again:
- err = xenbus_transaction_start(&xbt);
- if (err)
- return;
- if (!xenbus_scanf(xbt, "control", "sysrq", "%c", &sysrq_key)) {
- printk(KERN_ERR "Unable to read sysrq code in "
- "control/sysrq\n");
- xenbus_transaction_end(xbt, 1);
- return;
- }
-
- if (sysrq_key != '\0')
- xenbus_printf(xbt, "control", "sysrq", "%c", '\0');
-
- err = xenbus_transaction_end(xbt, 0);
- if (err == -EAGAIN)
- goto again;
-
- if (sysrq_key != '\0')
- handle_sysrq(sysrq_key, NULL);
-}
-
-static struct xenbus_watch shutdown_watch = {
- .node = "control/shutdown",
- .callback = shutdown_handler
-};
-
-static struct xenbus_watch sysrq_watch = {
- .node = "control/sysrq",
- .callback = sysrq_handler
-};
-
-static int setup_shutdown_watcher(void)
-{
- int err;
-
- err = register_xenbus_watch(&shutdown_watch);
- if (err) {
- printk(KERN_ERR "Failed to set shutdown watcher\n");
- return err;
- }
-
- err = register_xenbus_watch(&sysrq_watch);
- if (err) {
- printk(KERN_ERR "Failed to set sysrq watcher\n");
- return err;
- }
-
- return 0;
-}
-
-static int shutdown_event(struct notifier_block *notifier,
- unsigned long event,
- void *data)
-{
- setup_shutdown_watcher();
- return NOTIFY_DONE;
-}
-
-static int __init setup_shutdown_event(void)
-{
- static struct notifier_block xenstore_notifier = {
- .notifier_call = shutdown_event
- };
- register_xenstore_notifier(&xenstore_notifier);
-
- return 0;
-}
-
-subsys_initcall(setup_shutdown_event);
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index 4e527e7893a..ff0aa74afaa 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -56,6 +56,131 @@
#include "multicalls.h"
#include "mmu.h"
+#define P2M_ENTRIES_PER_PAGE (PAGE_SIZE / sizeof(unsigned long))
+#define TOP_ENTRIES (MAX_DOMAIN_PAGES / P2M_ENTRIES_PER_PAGE)
+
+/* Placeholder for holes in the address space */
+static unsigned long p2m_missing[P2M_ENTRIES_PER_PAGE]
+ __attribute__((section(".data.page_aligned"))) =
+ { [ 0 ... P2M_ENTRIES_PER_PAGE-1 ] = ~0UL };
+
+ /* Array of pointers to pages containing p2m entries */
+static unsigned long *p2m_top[TOP_ENTRIES]
+ __attribute__((section(".data.page_aligned"))) =
+ { [ 0 ... TOP_ENTRIES - 1] = &p2m_missing[0] };
+
+/* Arrays of p2m arrays expressed in mfns used for save/restore */
+static unsigned long p2m_top_mfn[TOP_ENTRIES]
+ __attribute__((section(".bss.page_aligned")));
+
+static unsigned long p2m_top_mfn_list[
+ PAGE_ALIGN(TOP_ENTRIES / P2M_ENTRIES_PER_PAGE)]
+ __attribute__((section(".bss.page_aligned")));
+
+static inline unsigned p2m_top_index(unsigned long pfn)
+{
+ BUG_ON(pfn >= MAX_DOMAIN_PAGES);
+ return pfn / P2M_ENTRIES_PER_PAGE;
+}
+
+static inline unsigned p2m_index(unsigned long pfn)
+{
+ return pfn % P2M_ENTRIES_PER_PAGE;
+}
+
+/* Build the parallel p2m_top_mfn structures */
+void xen_setup_mfn_list_list(void)
+{
+ unsigned pfn, idx;
+
+ for(pfn = 0; pfn < MAX_DOMAIN_PAGES; pfn += P2M_ENTRIES_PER_PAGE) {
+ unsigned topidx = p2m_top_index(pfn);
+
+ p2m_top_mfn[topidx] = virt_to_mfn(p2m_top[topidx]);
+ }
+
+ for(idx = 0; idx < ARRAY_SIZE(p2m_top_mfn_list); idx++) {
+ unsigned topidx = idx * P2M_ENTRIES_PER_PAGE;
+ p2m_top_mfn_list[idx] = virt_to_mfn(&p2m_top_mfn[topidx]);
+ }
+
+ BUG_ON(HYPERVISOR_shared_info == &xen_dummy_shared_info);
+
+ HYPERVISOR_shared_info->arch.pfn_to_mfn_frame_list_list =
+ virt_to_mfn(p2m_top_mfn_list);
+ HYPERVISOR_shared_info->arch.max_pfn = xen_start_info->nr_pages;
+}
+
+/* Set up p2m_top to point to the domain-builder provided p2m pages */
+void __init xen_build_dynamic_phys_to_machine(void)
+{
+ unsigned long *mfn_list = (unsigned long *)xen_start_info->mfn_list;
+ unsigned long max_pfn = min(MAX_DOMAIN_PAGES, xen_start_info->nr_pages);
+ unsigned pfn;
+
+ for(pfn = 0; pfn < max_pfn; pfn += P2M_ENTRIES_PER_PAGE) {
+ unsigned topidx = p2m_top_index(pfn);
+
+ p2m_top[topidx] = &mfn_list[pfn];
+ }
+}
+
+unsigned long get_phys_to_machine(unsigned long pfn)
+{
+ unsigned topidx, idx;
+
+ if (unlikely(pfn >= MAX_DOMAIN_PAGES))
+ return INVALID_P2M_ENTRY;
+
+ topidx = p2m_top_index(pfn);
+ idx = p2m_index(pfn);
+ return p2m_top[topidx][idx];
+}
+EXPORT_SYMBOL_GPL(get_phys_to_machine);
+
+static void alloc_p2m(unsigned long **pp, unsigned long *mfnp)
+{
+ unsigned long *p;
+ unsigned i;
+
+ p = (void *)__get_free_page(GFP_KERNEL | __GFP_NOFAIL);
+ BUG_ON(p == NULL);
+
+ for(i = 0; i < P2M_ENTRIES_PER_PAGE; i++)
+ p[i] = INVALID_P2M_ENTRY;
+
+ if (cmpxchg(pp, p2m_missing, p) != p2m_missing)
+ free_page((unsigned long)p);
+ else
+ *mfnp = virt_to_mfn(p);
+}
+
+void set_phys_to_machine(unsigned long pfn, unsigned long mfn)
+{
+ unsigned topidx, idx;
+
+ if (unlikely(xen_feature(XENFEAT_auto_translated_physmap))) {
+ BUG_ON(pfn != mfn && mfn != INVALID_P2M_ENTRY);
+ return;
+ }
+
+ if (unlikely(pfn >= MAX_DOMAIN_PAGES)) {
+ BUG_ON(mfn != INVALID_P2M_ENTRY);
+ return;
+ }
+
+ topidx = p2m_top_index(pfn);
+ if (p2m_top[topidx] == p2m_missing) {
+ /* no need to allocate a page to store an invalid entry */
+ if (mfn == INVALID_P2M_ENTRY)
+ return;
+ alloc_p2m(&p2m_top[topidx], &p2m_top_mfn[topidx]);
+ }
+
+ idx = p2m_index(pfn);
+ p2m_top[topidx][idx] = mfn;
+}
+
xmaddr_t arbitrary_virt_to_machine(unsigned long address)
{
unsigned int level;
@@ -98,24 +223,60 @@ void make_lowmem_page_readwrite(void *vaddr)
}
-void xen_set_pmd(pmd_t *ptr, pmd_t val)
+static bool page_pinned(void *ptr)
+{
+ struct page *page = virt_to_page(ptr);
+
+ return PagePinned(page);
+}
+
+static void extend_mmu_update(const struct mmu_update *update)
{
struct multicall_space mcs;
struct mmu_update *u;
- preempt_disable();
+ mcs = xen_mc_extend_args(__HYPERVISOR_mmu_update, sizeof(*u));
+
+ if (mcs.mc != NULL)
+ mcs.mc->args[1]++;
+ else {
+ mcs = __xen_mc_entry(sizeof(*u));
+ MULTI_mmu_update(mcs.mc, mcs.args, 1, NULL, DOMID_SELF);
+ }
- mcs = xen_mc_entry(sizeof(*u));
u = mcs.args;
- u->ptr = virt_to_machine(ptr).maddr;
- u->val = pmd_val_ma(val);
- MULTI_mmu_update(mcs.mc, u, 1, NULL, DOMID_SELF);
+ *u = *update;
+}
+
+void xen_set_pmd_hyper(pmd_t *ptr, pmd_t val)
+{
+ struct mmu_update u;
+
+ preempt_disable();
+
+ xen_mc_batch();
+
+ u.ptr = virt_to_machine(ptr).maddr;
+ u.val = pmd_val_ma(val);
+ extend_mmu_update(&u);
xen_mc_issue(PARAVIRT_LAZY_MMU);
preempt_enable();
}
+void xen_set_pmd(pmd_t *ptr, pmd_t val)
+{
+ /* If page is not pinned, we can just update the entry
+ directly */
+ if (!page_pinned(ptr)) {
+ *ptr = val;
+ return;
+ }
+
+ xen_set_pmd_hyper(ptr, val);
+}
+
/*
* Associate a virtual page frame with a given physical page frame
* and protection flags for that frame.
@@ -179,6 +340,26 @@ out:
preempt_enable();
}
+pte_t xen_ptep_modify_prot_start(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
+{
+ /* Just return the pte as-is. We preserve the bits on commit */
+ return *ptep;
+}
+
+void xen_ptep_modify_prot_commit(struct mm_struct *mm, unsigned long addr,
+ pte_t *ptep, pte_t pte)
+{
+ struct mmu_update u;
+
+ xen_mc_batch();
+
+ u.ptr = virt_to_machine(ptep).maddr | MMU_PT_UPDATE_PRESERVE_AD;
+ u.val = pte_val_ma(pte);
+ extend_mmu_update(&u);
+
+ xen_mc_issue(PARAVIRT_LAZY_MMU);
+}
+
/* Assume pteval_t is equivalent to all the other *val_t types. */
static pteval_t pte_mfn_to_pfn(pteval_t val)
{
@@ -229,24 +410,35 @@ pmdval_t xen_pmd_val(pmd_t pmd)
return pte_mfn_to_pfn(pmd.pmd);
}
-void xen_set_pud(pud_t *ptr, pud_t val)
+void xen_set_pud_hyper(pud_t *ptr, pud_t val)
{
- struct multicall_space mcs;
- struct mmu_update *u;
+ struct mmu_update u;
preempt_disable();
- mcs = xen_mc_entry(sizeof(*u));
- u = mcs.args;
- u->ptr = virt_to_machine(ptr).maddr;
- u->val = pud_val_ma(val);
- MULTI_mmu_update(mcs.mc, u, 1, NULL, DOMID_SELF);
+ xen_mc_batch();
+
+ u.ptr = virt_to_machine(ptr).maddr;
+ u.val = pud_val_ma(val);
+ extend_mmu_update(&u);
xen_mc_issue(PARAVIRT_LAZY_MMU);
preempt_enable();
}
+void xen_set_pud(pud_t *ptr, pud_t val)
+{
+ /* If page is not pinned, we can just update the entry
+ directly */
+ if (!page_pinned(ptr)) {
+ *ptr = val;
+ return;
+ }
+
+ xen_set_pud_hyper(ptr, val);
+}
+
void xen_set_pte(pte_t *ptep, pte_t pte)
{
ptep->pte_high = pte.pte_high;
@@ -268,7 +460,7 @@ void xen_pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
void xen_pmd_clear(pmd_t *pmdp)
{
- xen_set_pmd(pmdp, __pmd(0));
+ set_pmd(pmdp, __pmd(0));
}
pmd_t xen_make_pmd(pmdval_t pmd)
@@ -441,6 +633,29 @@ void xen_pgd_pin(pgd_t *pgd)
xen_mc_issue(0);
}
+/*
+ * On save, we need to pin all pagetables to make sure they get their
+ * mfns turned into pfns. Search the list for any unpinned pgds and pin
+ * them (unpinned pgds are not currently in use, probably because the
+ * process is under construction or destruction).
+ */
+void xen_mm_pin_all(void)
+{
+ unsigned long flags;
+ struct page *page;
+
+ spin_lock_irqsave(&pgd_lock, flags);
+
+ list_for_each_entry(page, &pgd_list, lru) {
+ if (!PagePinned(page)) {
+ xen_pgd_pin((pgd_t *)page_address(page));
+ SetPageSavePinned(page);
+ }
+ }
+
+ spin_unlock_irqrestore(&pgd_lock, flags);
+}
+
/* The init_mm pagetable is really pinned as soon as its created, but
that's before we have page structures to store the bits. So do all
the book-keeping now. */
@@ -498,6 +713,29 @@ static void xen_pgd_unpin(pgd_t *pgd)
xen_mc_issue(0);
}
+/*
+ * On resume, undo any pinning done at save, so that the rest of the
+ * kernel doesn't see any unexpected pinned pagetables.
+ */
+void xen_mm_unpin_all(void)
+{
+ unsigned long flags;
+ struct page *page;
+
+ spin_lock_irqsave(&pgd_lock, flags);
+
+ list_for_each_entry(page, &pgd_list, lru) {
+ if (PageSavePinned(page)) {
+ BUG_ON(!PagePinned(page));
+ printk("unpinning pinned %p\n", page_address(page));
+ xen_pgd_unpin((pgd_t *)page_address(page));
+ ClearPageSavePinned(page);
+ }
+ }
+
+ spin_unlock_irqrestore(&pgd_lock, flags);
+}
+
void xen_activate_mm(struct mm_struct *prev, struct mm_struct *next)
{
spin_lock(&next->page_table_lock);
@@ -558,7 +796,7 @@ static void drop_mm_ref(struct mm_struct *mm)
}
if (!cpus_empty(mask))
- xen_smp_call_function_mask(mask, drop_other_mm_ref, mm, 1);
+ smp_call_function_mask(mask, drop_other_mm_ref, mm, 1);
}
#else
static void drop_mm_ref(struct mm_struct *mm)
@@ -591,7 +829,7 @@ void xen_exit_mmap(struct mm_struct *mm)
spin_lock(&mm->page_table_lock);
/* pgd may not be pinned in the error exit path of execve */
- if (PagePinned(virt_to_page(mm->pgd)))
+ if (page_pinned(mm->pgd))
xen_pgd_unpin(mm->pgd);
spin_unlock(&mm->page_table_lock);
diff --git a/arch/x86/xen/mmu.h b/arch/x86/xen/mmu.h
index 5fe961caffd..297bf9f5b8b 100644
--- a/arch/x86/xen/mmu.h
+++ b/arch/x86/xen/mmu.h
@@ -25,10 +25,6 @@ enum pt_level {
void set_pte_mfn(unsigned long vaddr, unsigned long pfn, pgprot_t flags);
-void xen_set_pte(pte_t *ptep, pte_t pteval);
-void xen_set_pte_at(struct mm_struct *mm, unsigned long addr,
- pte_t *ptep, pte_t pteval);
-void xen_set_pmd(pmd_t *pmdp, pmd_t pmdval);
void xen_activate_mm(struct mm_struct *prev, struct mm_struct *next);
void xen_dup_mmap(struct mm_struct *oldmm, struct mm_struct *mm);
@@ -45,11 +41,19 @@ pte_t xen_make_pte(pteval_t);
pmd_t xen_make_pmd(pmdval_t);
pgd_t xen_make_pgd(pgdval_t);
+void xen_set_pte(pte_t *ptep, pte_t pteval);
void xen_set_pte_at(struct mm_struct *mm, unsigned long addr,
pte_t *ptep, pte_t pteval);
void xen_set_pte_atomic(pte_t *ptep, pte_t pte);
+void xen_set_pmd(pmd_t *pmdp, pmd_t pmdval);
void xen_set_pud(pud_t *ptr, pud_t val);
+void xen_set_pmd_hyper(pmd_t *pmdp, pmd_t pmdval);
+void xen_set_pud_hyper(pud_t *ptr, pud_t val);
void xen_pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep);
void xen_pmd_clear(pmd_t *pmdp);
+pte_t xen_ptep_modify_prot_start(struct mm_struct *mm, unsigned long addr, pte_t *ptep);
+void xen_ptep_modify_prot_commit(struct mm_struct *mm, unsigned long addr,
+ pte_t *ptep, pte_t pte);
+
#endif /* _XEN_MMU_H */
diff --git a/arch/x86/xen/multicalls.c b/arch/x86/xen/multicalls.c
index 5791eb2e375..3c63c4da7ed 100644
--- a/arch/x86/xen/multicalls.c
+++ b/arch/x86/xen/multicalls.c
@@ -29,14 +29,14 @@
#define MC_DEBUG 1
#define MC_BATCH 32
-#define MC_ARGS (MC_BATCH * 16 / sizeof(u64))
+#define MC_ARGS (MC_BATCH * 16)
struct mc_buffer {
struct multicall_entry entries[MC_BATCH];
#if MC_DEBUG
struct multicall_entry debug[MC_BATCH];
#endif
- u64 args[MC_ARGS];
+ unsigned char args[MC_ARGS];
struct callback {
void (*fn)(void *);
void *data;
@@ -107,20 +107,48 @@ struct multicall_space __xen_mc_entry(size_t args)
{
struct mc_buffer *b = &__get_cpu_var(mc_buffer);
struct multicall_space ret;
- unsigned argspace = (args + sizeof(u64) - 1) / sizeof(u64);
+ unsigned argidx = roundup(b->argidx, sizeof(u64));
BUG_ON(preemptible());
- BUG_ON(argspace > MC_ARGS);
+ BUG_ON(b->argidx > MC_ARGS);
if (b->mcidx == MC_BATCH ||
- (b->argidx + argspace) > MC_ARGS)
+ (argidx + args) > MC_ARGS) {
xen_mc_flush();
+ argidx = roundup(b->argidx, sizeof(u64));
+ }
ret.mc = &b->entries[b->mcidx];
b->mcidx++;
+ ret.args = &b->args[argidx];
+ b->argidx = argidx + args;
+
+ BUG_ON(b->argidx > MC_ARGS);
+ return ret;
+}
+
+struct multicall_space xen_mc_extend_args(unsigned long op, size_t size)
+{
+ struct mc_buffer *b = &__get_cpu_var(mc_buffer);
+ struct multicall_space ret = { NULL, NULL };
+
+ BUG_ON(preemptible());
+ BUG_ON(b->argidx > MC_ARGS);
+
+ if (b->mcidx == 0)
+ return ret;
+
+ if (b->entries[b->mcidx - 1].op != op)
+ return ret;
+
+ if ((b->argidx + size) > MC_ARGS)
+ return ret;
+
+ ret.mc = &b->entries[b->mcidx - 1];
ret.args = &b->args[b->argidx];
- b->argidx += argspace;
+ b->argidx += size;
+ BUG_ON(b->argidx > MC_ARGS);
return ret;
}
diff --git a/arch/x86/xen/multicalls.h b/arch/x86/xen/multicalls.h
index 8bae996d99a..85893824161 100644
--- a/arch/x86/xen/multicalls.h
+++ b/arch/x86/xen/multicalls.h
@@ -45,4 +45,16 @@ static inline void xen_mc_issue(unsigned mode)
/* Set up a callback to be called when the current batch is flushed */
void xen_mc_callback(void (*fn)(void *), void *data);
+/*
+ * Try to extend the arguments of the previous multicall command. The
+ * previous command's op must match. If it does, then it attempts to
+ * extend the argument space allocated to the multicall entry by
+ * arg_size bytes.
+ *
+ * The returned multicall_space will return with mc pointing to the
+ * command on success, or NULL on failure, and args pointing to the
+ * newly allocated space.
+ */
+struct multicall_space xen_mc_extend_args(unsigned long op, size_t arg_size);
+
#endif /* _XEN_MULTICALLS_H */
diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
index 82517e4a752..e0a39595bde 100644
--- a/arch/x86/xen/setup.c
+++ b/arch/x86/xen/setup.c
@@ -13,9 +13,11 @@
#include <asm/vdso.h>
#include <asm/e820.h>
#include <asm/setup.h>
+#include <asm/acpi.h>
#include <asm/xen/hypervisor.h>
#include <asm/xen/hypercall.h>
+#include <xen/page.h>
#include <xen/interface/callback.h>
#include <xen/interface/physdev.h>
#include <xen/features.h>
@@ -27,8 +29,6 @@
extern const char xen_hypervisor_callback[];
extern const char xen_failsafe_callback[];
-unsigned long *phys_to_machine_mapping;
-EXPORT_SYMBOL(phys_to_machine_mapping);
/**
* machine_specific_memory_setup - Hook for machine specific memory setup.
@@ -38,9 +38,31 @@ char * __init xen_memory_setup(void)
{
unsigned long max_pfn = xen_start_info->nr_pages;
+ max_pfn = min(MAX_DOMAIN_PAGES, max_pfn);
+
e820.nr_map = 0;
- add_memory_region(0, LOWMEMSIZE(), E820_RAM);
- add_memory_region(HIGH_MEMORY, PFN_PHYS(max_pfn)-HIGH_MEMORY, E820_RAM);
+
+ e820_add_region(0, PFN_PHYS(max_pfn), E820_RAM);
+
+ /*
+ * Even though this is normal, usable memory under Xen, reserve
+ * ISA memory anyway because too many things think they can poke
+ * about in there.
+ */
+ e820_add_region(ISA_START_ADDRESS, ISA_END_ADDRESS - ISA_START_ADDRESS,
+ E820_RESERVED);
+
+ /*
+ * Reserve Xen bits:
+ * - mfn_list
+ * - xen_start_info
+ * See comment above "struct start_info" in <xen/interface/xen.h>
+ */
+ e820_add_region(__pa(xen_start_info->mfn_list),
+ xen_start_info->pt_base - xen_start_info->mfn_list,
+ E820_RESERVED);
+
+ sanitize_e820_map(e820.map, ARRAY_SIZE(e820.map), &e820.nr_map);
return "Xen";
}
diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c
index 7a70638797e..463adecc5cb 100644
--- a/arch/x86/xen/smp.c
+++ b/arch/x86/xen/smp.c
@@ -35,28 +35,15 @@
#include "xen-ops.h"
#include "mmu.h"
-static cpumask_t xen_cpu_initialized_map;
-static DEFINE_PER_CPU(int, resched_irq) = -1;
-static DEFINE_PER_CPU(int, callfunc_irq) = -1;
-static DEFINE_PER_CPU(int, debug_irq) = -1;
-
-/*
- * Structure and data for smp_call_function(). This is designed to minimise
- * static memory requirements. It also looks cleaner.
- */
-static DEFINE_SPINLOCK(call_lock);
+cpumask_t xen_cpu_initialized_map;
-struct call_data_struct {
- void (*func) (void *info);
- void *info;
- atomic_t started;
- atomic_t finished;
- int wait;
-};
+static DEFINE_PER_CPU(int, resched_irq);
+static DEFINE_PER_CPU(int, callfunc_irq);
+static DEFINE_PER_CPU(int, callfuncsingle_irq);
+static DEFINE_PER_CPU(int, debug_irq) = -1;
static irqreturn_t xen_call_function_interrupt(int irq, void *dev_id);
-
-static struct call_data_struct *call_data;
+static irqreturn_t xen_call_function_single_interrupt(int irq, void *dev_id);
/*
* Reschedule call back. Nothing to do,
@@ -65,6 +52,12 @@ static struct call_data_struct *call_data;
*/
static irqreturn_t xen_reschedule_interrupt(int irq, void *dev_id)
{
+#ifdef CONFIG_X86_32
+ __get_cpu_var(irq_stat).irq_resched_count++;
+#else
+ add_pda(irq_resched_count, 1);
+#endif
+
return IRQ_HANDLED;
}
@@ -122,6 +115,17 @@ static int xen_smp_intr_init(unsigned int cpu)
goto fail;
per_cpu(debug_irq, cpu) = rc;
+ callfunc_name = kasprintf(GFP_KERNEL, "callfuncsingle%d", cpu);
+ rc = bind_ipi_to_irqhandler(XEN_CALL_FUNCTION_SINGLE_VECTOR,
+ cpu,
+ xen_call_function_single_interrupt,
+ IRQF_DISABLED|IRQF_PERCPU|IRQF_NOBALANCING,
+ callfunc_name,
+ NULL);
+ if (rc < 0)
+ goto fail;
+ per_cpu(callfuncsingle_irq, cpu) = rc;
+
return 0;
fail:
@@ -131,6 +135,9 @@ static int xen_smp_intr_init(unsigned int cpu)
unbind_from_irqhandler(per_cpu(callfunc_irq, cpu), NULL);
if (per_cpu(debug_irq, cpu) >= 0)
unbind_from_irqhandler(per_cpu(debug_irq, cpu), NULL);
+ if (per_cpu(callfuncsingle_irq, cpu) >= 0)
+ unbind_from_irqhandler(per_cpu(callfuncsingle_irq, cpu), NULL);
+
return rc;
}
@@ -330,7 +337,7 @@ static void stop_self(void *v)
void xen_smp_send_stop(void)
{
- smp_call_function(stop_self, NULL, 0, 0);
+ smp_call_function(stop_self, NULL, 0);
}
void xen_smp_send_reschedule(int cpu)
@@ -338,7 +345,6 @@ void xen_smp_send_reschedule(int cpu)
xen_send_IPI_one(cpu, XEN_RESCHEDULE_VECTOR);
}
-
static void xen_send_IPI_mask(cpumask_t mask, enum ipi_vector vector)
{
unsigned cpu;
@@ -349,83 +355,42 @@ static void xen_send_IPI_mask(cpumask_t mask, enum ipi_vector vector)
xen_send_IPI_one(cpu, vector);
}
+void xen_smp_send_call_function_ipi(cpumask_t mask)
+{
+ int cpu;
+
+ xen_send_IPI_mask(mask, XEN_CALL_FUNCTION_VECTOR);
+
+ /* Make sure other vcpus get a chance to run if they need to. */
+ for_each_cpu_mask_nr(cpu, mask) {
+ if (xen_vcpu_stolen(cpu)) {
+ HYPERVISOR_sched_op(SCHEDOP_yield, 0);
+ break;
+ }
+ }
+}
+
+void xen_smp_send_call_function_single_ipi(int cpu)
+{
+ xen_send_IPI_mask(cpumask_of_cpu(cpu), XEN_CALL_FUNCTION_SINGLE_VECTOR);
+}
+
static irqreturn_t xen_call_function_interrupt(int irq, void *dev_id)
{
- void (*func) (void *info) = call_data->func;
- void *info = call_data->info;
- int wait = call_data->wait;
-
- /*
- * Notify initiating CPU that I've grabbed the data and am
- * about to execute the function
- */
- mb();
- atomic_inc(&call_data->started);
- /*
- * At this point the info structure may be out of scope unless wait==1
- */
irq_enter();
- (*func)(info);
+ generic_smp_call_function_interrupt();
__get_cpu_var(irq_stat).irq_call_count++;
irq_exit();
- if (wait) {
- mb(); /* commit everything before setting finished */
- atomic_inc(&call_data->finished);
- }
-
return IRQ_HANDLED;
}
-int xen_smp_call_function_mask(cpumask_t mask, void (*func)(void *),
- void *info, int wait)
+static irqreturn_t xen_call_function_single_interrupt(int irq, void *dev_id)
{
- struct call_data_struct data;
- int cpus, cpu;
- bool yield;
-
- /* Holding any lock stops cpus from going down. */
- spin_lock(&call_lock);
-
- cpu_clear(smp_processor_id(), mask);
-
- cpus = cpus_weight(mask);
- if (!cpus) {
- spin_unlock(&call_lock);
- return 0;
- }
-
- /* Can deadlock when called with interrupts disabled */
- WARN_ON(irqs_disabled());
-
- data.func = func;
- data.info = info;
- atomic_set(&data.started, 0);
- data.wait = wait;
- if (wait)
- atomic_set(&data.finished, 0);
-
- call_data = &data;
- mb(); /* write everything before IPI */
-
- /* Send a message to other CPUs and wait for them to respond */
- xen_send_IPI_mask(mask, XEN_CALL_FUNCTION_VECTOR);
-
- /* Make sure other vcpus get a chance to run if they need to. */
- yield = false;
- for_each_cpu_mask_nr(cpu, mask)
- if (xen_vcpu_stolen(cpu))
- yield = true;
-
- if (yield)
- HYPERVISOR_sched_op(SCHEDOP_yield, 0);
-
- /* Wait for response */
- while (atomic_read(&data.started) != cpus ||
- (wait && atomic_read(&data.finished) != cpus))
- cpu_relax();
-
- spin_unlock(&call_lock);
+ irq_enter();
+ generic_smp_call_function_single_interrupt();
+ __get_cpu_var(irq_stat).irq_call_count++;
+ irq_exit();
- return 0;
+ return IRQ_HANDLED;
}
diff --git a/arch/x86/xen/suspend.c b/arch/x86/xen/suspend.c
new file mode 100644
index 00000000000..251669a932d
--- /dev/null
+++ b/arch/x86/xen/suspend.c
@@ -0,0 +1,45 @@
+#include <linux/types.h>
+
+#include <xen/interface/xen.h>
+#include <xen/grant_table.h>
+#include <xen/events.h>
+
+#include <asm/xen/hypercall.h>
+#include <asm/xen/page.h>
+
+#include "xen-ops.h"
+#include "mmu.h"
+
+void xen_pre_suspend(void)
+{
+ xen_start_info->store_mfn = mfn_to_pfn(xen_start_info->store_mfn);
+ xen_start_info->console.domU.mfn =
+ mfn_to_pfn(xen_start_info->console.domU.mfn);
+
+ BUG_ON(!irqs_disabled());
+
+ HYPERVISOR_shared_info = &xen_dummy_shared_info;
+ if (HYPERVISOR_update_va_mapping(fix_to_virt(FIX_PARAVIRT_BOOTMAP),
+ __pte_ma(0), 0))
+ BUG();
+}
+
+void xen_post_suspend(int suspend_cancelled)
+{
+ xen_setup_shared_info();
+
+ if (suspend_cancelled) {
+ xen_start_info->store_mfn =
+ pfn_to_mfn(xen_start_info->store_mfn);
+ xen_start_info->console.domU.mfn =
+ pfn_to_mfn(xen_start_info->console.domU.mfn);
+ } else {
+#ifdef CONFIG_SMP
+ xen_cpu_initialized_map = cpu_online_map;
+#endif
+ xen_vcpu_restore();
+ xen_timer_resume();
+ }
+
+}
+
diff --git a/arch/x86/xen/time.c b/arch/x86/xen/time.c
index 41e217503c9..685b77470fc 100644
--- a/arch/x86/xen/time.c
+++ b/arch/x86/xen/time.c
@@ -197,8 +197,8 @@ unsigned long long xen_sched_clock(void)
}
-/* Get the CPU speed from Xen */
-unsigned long xen_cpu_khz(void)
+/* Get the TSC speed from Xen */
+unsigned long xen_tsc_khz(void)
{
u64 xen_khz = 1000000ULL << 32;
const struct pvclock_vcpu_time_info *info =
@@ -459,6 +459,19 @@ void xen_setup_cpu_clockevents(void)
clockevents_register_device(&__get_cpu_var(xen_clock_events));
}
+void xen_timer_resume(void)
+{
+ int cpu;
+
+ if (xen_clockevent != &xen_vcpuop_clockevent)
+ return;
+
+ for_each_online_cpu(cpu) {
+ if (HYPERVISOR_vcpu_op(VCPUOP_stop_periodic_timer, cpu, NULL))
+ BUG();
+ }
+}
+
__init void xen_time_init(void)
{
int cpu = smp_processor_id();
diff --git a/arch/x86/xen/xen-head.S b/arch/x86/xen/xen-head.S
index 6ec3b4f7719..7c0cf6320a0 100644
--- a/arch/x86/xen/xen-head.S
+++ b/arch/x86/xen/xen-head.S
@@ -7,6 +7,7 @@
#include <linux/init.h>
#include <asm/boot.h>
#include <xen/interface/elfnote.h>
+#include <asm/xen/interface.h>
__INIT
ENTRY(startup_xen)
@@ -32,5 +33,9 @@ ENTRY(hypercall_page)
ELFNOTE(Xen, XEN_ELFNOTE_FEATURES, .asciz "!writable_page_tables|pae_pgdir_above_4gb")
ELFNOTE(Xen, XEN_ELFNOTE_PAE_MODE, .asciz "yes")
ELFNOTE(Xen, XEN_ELFNOTE_LOADER, .asciz "generic")
+ ELFNOTE(Xen, XEN_ELFNOTE_L1_MFN_VALID,
+ .quad _PAGE_PRESENT; .quad _PAGE_PRESENT)
+ ELFNOTE(Xen, XEN_ELFNOTE_SUSPEND_CANCEL, .long 1)
+ ELFNOTE(Xen, XEN_ELFNOTE_HV_START_LOW, .long __HYPERVISOR_VIRT_START)
#endif /*CONFIG_XEN */
diff --git a/arch/x86/xen/xen-ops.h b/arch/x86/xen/xen-ops.h
index f1063ae0803..6f4b1045c1c 100644
--- a/arch/x86/xen/xen-ops.h
+++ b/arch/x86/xen/xen-ops.h
@@ -9,26 +9,35 @@
extern const char xen_hypervisor_callback[];
extern const char xen_failsafe_callback[];
+struct trap_info;
void xen_copy_trap_info(struct trap_info *traps);
DECLARE_PER_CPU(unsigned long, xen_cr3);
DECLARE_PER_CPU(unsigned long, xen_current_cr3);
extern struct start_info *xen_start_info;
+extern struct shared_info xen_dummy_shared_info;
extern struct shared_info *HYPERVISOR_shared_info;
+void xen_setup_mfn_list_list(void);
+void xen_setup_shared_info(void);
+
char * __init xen_memory_setup(void);
void __init xen_arch_setup(void);
void __init xen_init_IRQ(void);
void xen_enable_sysenter(void);
+void xen_vcpu_restore(void);
+
+void __init xen_build_dynamic_phys_to_machine(void);
void xen_setup_timer(int cpu);
void xen_setup_cpu_clockevents(void);
-unsigned long xen_cpu_khz(void);
+unsigned long xen_tsc_khz(void);
void __init xen_time_init(void);
unsigned long xen_get_wallclock(void);
int xen_set_wallclock(unsigned long time);
unsigned long long xen_sched_clock(void);
+void xen_timer_resume(void);
irqreturn_t xen_debug_interrupt(int irq, void *dev_id);
@@ -46,13 +55,10 @@ void xen_smp_cpus_done(unsigned int max_cpus);
void xen_smp_send_stop(void);
void xen_smp_send_reschedule(int cpu);
-int xen_smp_call_function (void (*func) (void *info), void *info, int nonatomic,
- int wait);
-int xen_smp_call_function_single(int cpu, void (*func) (void *info), void *info,
- int nonatomic, int wait);
+void xen_smp_send_call_function_ipi(cpumask_t mask);
+void xen_smp_send_call_function_single_ipi(int cpu);
-int xen_smp_call_function_mask(cpumask_t mask, void (*func)(void *),
- void *info, int wait);
+extern cpumask_t xen_cpu_initialized_map;
/* Declare an asm function, along with symbols needed to make it