diff options
| author | Linus Torvalds <torvalds@g5.osdl.org> | 2005-11-07 20:23:46 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-11-07 20:23:46 -0800 |
| commit | f093182d313edde9b1f86dbdaf40ba4da2dbd0e7 (patch) | |
| tree | ecfc614d514bd5b43a98cf4c62fdd2f47d86e33c /arch | |
| parent | d27ba47e7e8c466c18983a1779d611f82d6a354f (diff) | |
| parent | 76c8e25b905f99be5ddbe999597ba7c2c33ec64b (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc-merge
Diffstat (limited to 'arch')
53 files changed, 1013 insertions, 347 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 6ffae2d2b3f..1493c7896fe 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -404,6 +404,14 @@ config CPU_FREQ_PMAC this currently includes some models of iBook & Titanium PowerBook. +config CPU_FREQ_PMAC64 + bool "Support for some Apple G5s" + depends on CPU_FREQ && PMAC_SMU && PPC64 + select CPU_FREQ_TABLE + help + This adds support for frequency switching on Apple iMac G5, + and some of the more recent desktop G5 machines as well. + config PPC601_SYNC_FIX bool "Workarounds for PPC601 bugs" depends on 6xx && (PPC_PREP || PPC_PMAC) @@ -484,6 +492,7 @@ source "fs/Kconfig.binfmt" config FORCE_MAX_ZONEORDER int depends on PPC64 + default "9" if PPC_64K_PAGES default "13" config MATH_EMULATION diff --git a/arch/powerpc/configs/g5_defconfig b/arch/powerpc/configs/g5_defconfig index 6323065fbf2..e76854f8c12 100644 --- a/arch/powerpc/configs/g5_defconfig +++ b/arch/powerpc/configs/g5_defconfig @@ -1,18 +1,32 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.14-rc4 -# Thu Oct 20 08:30:23 2005 +# Linux kernel version: 2.6.14 +# Mon Nov 7 13:37:59 2005 # +CONFIG_PPC64=y CONFIG_64BIT=y +CONFIG_PPC_MERGE=y CONFIG_MMU=y +CONFIG_GENERIC_HARDIRQS=y CONFIG_RWSEM_XCHGADD_ALGORITHM=y CONFIG_GENERIC_CALIBRATE_DELAY=y -CONFIG_GENERIC_ISA_DMA=y +CONFIG_PPC=y CONFIG_EARLY_PRINTK=y CONFIG_COMPAT=y +CONFIG_SYSVIPC_COMPAT=y CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y CONFIG_ARCH_MAY_HAVE_PC_FDC=y -CONFIG_FORCE_MAX_ZONEORDER=13 + +# +# Processor support +# +CONFIG_POWER4_ONLY=y +CONFIG_POWER4=y +CONFIG_PPC_FPU=y +CONFIG_ALTIVEC=y +CONFIG_PPC_STD_MMU=y +CONFIG_SMP=y +CONFIG_NR_CPUS=2 # # Code maturity level options @@ -67,30 +81,60 @@ CONFIG_MODVERSIONS=y CONFIG_MODULE_SRCVERSION_ALL=y CONFIG_KMOD=y CONFIG_STOP_MACHINE=y -CONFIG_SYSVIPC_COMPAT=y # # Platform support # -# CONFIG_PPC_ISERIES is not set CONFIG_PPC_MULTIPLATFORM=y +# CONFIG_PPC_ISERIES is not set +# CONFIG_EMBEDDED6xx is not set +# CONFIG_APUS is not set # CONFIG_PPC_PSERIES is not set -# CONFIG_PPC_BPA is not set CONFIG_PPC_PMAC=y +CONFIG_PPC_PMAC64=y # CONFIG_PPC_MAPLE is not set -CONFIG_PPC=y -CONFIG_PPC64=y +# CONFIG_PPC_CELL is not set CONFIG_PPC_OF=y -CONFIG_MPIC=y -CONFIG_ALTIVEC=y -CONFIG_KEXEC=y CONFIG_U3_DART=y -CONFIG_PPC_PMAC64=y -CONFIG_BOOTX_TEXT=y -CONFIG_POWER4_ONLY=y +CONFIG_MPIC=y +# CONFIG_PPC_RTAS is not set +# CONFIG_MMIO_NVRAM is not set +# CONFIG_PPC_MPC106 is not set +CONFIG_GENERIC_TBSYNC=y +CONFIG_CPU_FREQ=y +CONFIG_CPU_FREQ_TABLE=y +# CONFIG_CPU_FREQ_DEBUG is not set +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_GOV_PERFORMANCE=y +CONFIG_CPU_FREQ_GOV_POWERSAVE=y +CONFIG_CPU_FREQ_GOV_USERSPACE=y +# CONFIG_CPU_FREQ_GOV_ONDEMAND is not set +# CONFIG_CPU_FREQ_GOV_CONSERVATIVE is not set +CONFIG_CPU_FREQ_PMAC64=y +# CONFIG_WANT_EARLY_SERIAL is not set + +# +# Kernel options +# +# CONFIG_HZ_100 is not set +CONFIG_HZ_250=y +# CONFIG_HZ_1000 is not set +CONFIG_HZ=250 +CONFIG_PREEMPT_NONE=y +# CONFIG_PREEMPT_VOLUNTARY is not set +# CONFIG_PREEMPT is not set +# CONFIG_PREEMPT_BKL is not set +CONFIG_BINFMT_ELF=y +# CONFIG_BINFMT_MISC is not set +CONFIG_FORCE_MAX_ZONEORDER=13 CONFIG_IOMMU_VMERGE=y -CONFIG_SMP=y -CONFIG_NR_CPUS=2 +# CONFIG_HOTPLUG_CPU is not set +CONFIG_KEXEC=y +CONFIG_IRQ_ALL_CPUS=y +# CONFIG_NUMA is not set CONFIG_ARCH_SELECT_MEMORY_MODEL=y CONFIG_ARCH_FLATMEM_ENABLE=y CONFIG_SELECT_MEMORY_MODEL=y @@ -100,28 +144,21 @@ CONFIG_FLATMEM_MANUAL=y CONFIG_FLATMEM=y CONFIG_FLAT_NODE_MEM_MAP=y # CONFIG_SPARSEMEM_STATIC is not set -# CONFIG_NUMA is not set +CONFIG_SPLIT_PTLOCK_CPUS=4 +# CONFIG_PPC_64K_PAGES is not set # CONFIG_SCHED_SMT is not set -CONFIG_PREEMPT_NONE=y -# CONFIG_PREEMPT_VOLUNTARY is not set -# CONFIG_PREEMPT is not set -# CONFIG_PREEMPT_BKL is not set -# CONFIG_HZ_100 is not set -CONFIG_HZ_250=y -# CONFIG_HZ_1000 is not set -CONFIG_HZ=250 -CONFIG_GENERIC_HARDIRQS=y -CONFIG_SECCOMP=y -CONFIG_BINFMT_ELF=y -# CONFIG_BINFMT_MISC is not set -# CONFIG_HOTPLUG_CPU is not set CONFIG_PROC_DEVICETREE=y # CONFIG_CMDLINE_BOOL is not set +# CONFIG_PM is not set +CONFIG_SECCOMP=y CONFIG_ISA_DMA_API=y # -# Bus Options +# Bus options # +CONFIG_GENERIC_ISA_DMA=y +# CONFIG_PPC_I8259 is not set +# CONFIG_PPC_INDIRECT_PCI is not set CONFIG_PCI=y CONFIG_PCI_DOMAINS=y CONFIG_PCI_LEGACY_PROC=y @@ -136,6 +173,7 @@ CONFIG_PCI_LEGACY_PROC=y # PCI Hotplug Support # # CONFIG_HOTPLUG_PCI is not set +CONFIG_KERNEL_START=0xc000000000000000 # # Networking @@ -276,6 +314,10 @@ CONFIG_LLC=y # CONFIG_NET_DIVERT 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_CLS_ROUTE=y @@ -348,6 +390,11 @@ CONFIG_IOSCHED_NOOP=y CONFIG_IOSCHED_AS=y CONFIG_IOSCHED_DEADLINE=y CONFIG_IOSCHED_CFQ=y +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" # CONFIG_ATA_OVER_ETH is not set # @@ -449,6 +496,7 @@ CONFIG_SCSI_SPI_ATTRS=y # # 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 @@ -465,10 +513,12 @@ CONFIG_SCSI_SATA_SVW=y # CONFIG_SCSI_ATA_PIIX is not set # CONFIG_SCSI_SATA_MV is not set # CONFIG_SCSI_SATA_NV is not set -# CONFIG_SCSI_SATA_PROMISE is not set +# CONFIG_SCSI_PDC_ADMA is not set # CONFIG_SCSI_SATA_QSTOR is not set +# CONFIG_SCSI_SATA_PROMISE is not set # CONFIG_SCSI_SATA_SX4 is not set # CONFIG_SCSI_SATA_SIL is not set +# CONFIG_SCSI_SATA_SIL24 is not set # CONFIG_SCSI_SATA_SIS is not set # CONFIG_SCSI_SATA_ULI is not set # CONFIG_SCSI_SATA_VIA is not set @@ -567,6 +617,9 @@ CONFIG_IEEE1394_RAWIO=y CONFIG_ADB_PMU=y CONFIG_PMAC_SMU=y CONFIG_THERM_PM72=y +CONFIG_WINDFARM=y +CONFIG_WINDFARM_PM81=y +CONFIG_WINDFARM_PM91=y # # Network device support @@ -603,6 +656,7 @@ CONFIG_SUNGEM=y # CONFIG_NET_TULIP is not set # CONFIG_HP100 is not set # CONFIG_NET_PCI is not set +# CONFIG_FEC_8XX is not set # # Ethernet (1000 Mbit) @@ -768,6 +822,7 @@ CONFIG_MAX_RAW_DEVS=256 # TPM devices # # CONFIG_TCG_TPM is not set +# CONFIG_TELCLOCK is not set # # I2C support @@ -820,6 +875,7 @@ CONFIG_I2C_PMAC_SMU=y # CONFIG_SENSORS_PCF8591 is not set # CONFIG_SENSORS_RTC8564 is not set # CONFIG_SENSORS_MAX6875 is not set +# CONFIG_RTC_X1205_I2C is not set # CONFIG_I2C_DEBUG_CORE is not set # CONFIG_I2C_DEBUG_ALGO is not set # CONFIG_I2C_DEBUG_BUS is not set @@ -876,10 +932,9 @@ CONFIG_FB_OF=y # CONFIG_FB_ASILIANT is not set # CONFIG_FB_IMSTT is not set # CONFIG_FB_VGA16 is not set -# CONFIG_FB_NVIDIA is not set -CONFIG_FB_RIVA=y -# CONFIG_FB_RIVA_I2C is not set -# CONFIG_FB_RIVA_DEBUG is not set +CONFIG_FB_NVIDIA=y +CONFIG_FB_NVIDIA_I2C=y +# CONFIG_FB_RIVA is not set # CONFIG_FB_MATROX is not set # CONFIG_FB_RADEON_OLD is not set CONFIG_FB_RADEON=y @@ -924,7 +979,96 @@ CONFIG_LCD_DEVICE=y # # Sound # -# CONFIG_SOUND is not set +CONFIG_SOUND=m + +# +# Advanced Linux Sound Architecture +# +CONFIG_SND=m +CONFIG_SND_TIMER=m +CONFIG_SND_PCM=m +CONFIG_SND_HWDEP=m +CONFIG_SND_RAWMIDI=m +CONFIG_SND_SEQUENCER=m +# CONFIG_SND_SEQ_DUMMY is not set +CONFIG_SND_OSSEMUL=y +CONFIG_SND_MIXER_OSS=m +CONFIG_SND_PCM_OSS=m +CONFIG_SND_SEQUENCER_OSS=y +# CONFIG_SND_VERBOSE_PRINTK is not set +# CONFIG_SND_DEBUG is not set +CONFIG_SND_GENERIC_DRIVER=y + +# +# Generic devices +# +# 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_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_AZT3328 is not set +# CONFIG_SND_BT87X is not set +# CONFIG_SND_CS46XX is not set +# CONFIG_SND_CS4281 is not set +# CONFIG_SND_EMU10K1 is not set +# CONFIG_SND_EMU10K1X is not set +# CONFIG_SND_CA0106 is not set +# CONFIG_SND_KORG1212 is not set +# CONFIG_SND_MIXART is not set +# CONFIG_SND_NM256 is not set +# CONFIG_SND_RME32 is not set +# CONFIG_SND_RME96 is not set +# CONFIG_SND_RME9652 is not set +# CONFIG_SND_HDSP is not set +# CONFIG_SND_HDSPM is not set +# CONFIG_SND_TRIDENT is not set +# CONFIG_SND_YMFPCI is not set +# CONFIG_SND_AD1889 is not set +# CONFIG_SND_ALS4000 is not set +# CONFIG_SND_CMIPCI 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_MAESTRO3 is not set +# CONFIG_SND_FM801 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_SONICVIBES is not set +# CONFIG_SND_VIA82XX is not set +# CONFIG_SND_VIA82XX_MODEM is not set +# CONFIG_SND_VX222 is not set +# CONFIG_SND_HDA_INTEL is not set + +# +# ALSA PowerMac devices +# +CONFIG_SND_POWERMAC=m +CONFIG_SND_POWERMAC_AUTO_DRC=y + +# +# USB devices +# +CONFIG_SND_USB_AUDIO=m +# CONFIG_SND_USB_USX2Y is not set + +# +# Open Sound System +# +# CONFIG_SOUND_PRIME is not set # # USB support @@ -958,12 +1102,16 @@ CONFIG_USB_OHCI_LITTLE_ENDIAN=y # # USB Device Class drivers # -# CONFIG_USB_BLUETOOTH_TTY is not set +# CONFIG_OBSOLETE_OSS_USB_DRIVER is not set CONFIG_USB_ACM=m CONFIG_USB_PRINTER=y # -# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' may also be needed; see USB_STORAGE Help for more information +# 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 @@ -1074,6 +1222,7 @@ CONFIG_USB_SERIAL_KEYSPAN_USA49WLC=y CONFIG_USB_SERIAL_KLSI=m CONFIG_USB_SERIAL_KOBIL_SCT=m CONFIG_USB_SERIAL_MCT_U232=m +# CONFIG_USB_SERIAL_NOKIA_DKU2 is not set CONFIG_USB_SERIAL_PL2303=m # CONFIG_USB_SERIAL_HP4X is not set CONFIG_USB_SERIAL_SAFE=m @@ -1311,6 +1460,20 @@ CONFIG_NLS_ISO8859_15=y CONFIG_NLS_UTF8=y # +# Library routines +# +CONFIG_CRC_CCITT=m +# CONFIG_CRC16 is not set +CONFIG_CRC32=y +CONFIG_LIBCRC32C=m +CONFIG_ZLIB_INFLATE=y +CONFIG_ZLIB_DEFLATE=m +CONFIG_TEXTSEARCH=y +CONFIG_TEXTSEARCH_KMP=m +CONFIG_TEXTSEARCH_BM=m +CONFIG_TEXTSEARCH_FSM=m + +# # Profiling support # CONFIG_PROFILING=y @@ -1331,12 +1494,14 @@ CONFIG_DETECT_SOFTLOCKUP=y # CONFIG_DEBUG_KOBJECT is not set # CONFIG_DEBUG_INFO is not set CONFIG_DEBUG_FS=y +# CONFIG_DEBUG_VM is not set +# CONFIG_RCU_TORTURE_TEST is not set # CONFIG_DEBUG_STACKOVERFLOW is not set # CONFIG_KPROBES is not set # CONFIG_DEBUG_STACK_USAGE is not set # CONFIG_DEBUGGER is not set -# CONFIG_PPCDBG is not set CONFIG_IRQSTACKS=y +CONFIG_BOOTX_TEXT=y # # Security options @@ -1376,17 +1541,3 @@ CONFIG_CRYPTO_TEST=m # # Hardware crypto devices # - -# -# Library routines -# -CONFIG_CRC_CCITT=m -# CONFIG_CRC16 is not set -CONFIG_CRC32=y -CONFIG_LIBCRC32C=m -CONFIG_ZLIB_INFLATE=y -CONFIG_ZLIB_DEFLATE=m -CONFIG_TEXTSEARCH=y -CONFIG_TEXTSEARCH_KMP=m -CONFIG_TEXTSEARCH_BM=m -CONFIG_TEXTSEARCH_FSM=m diff --git a/arch/powerpc/kernel/misc_64.S b/arch/powerpc/kernel/misc_64.S index b3e95ff0dba..ae1433da09b 100644 --- a/arch/powerpc/kernel/misc_64.S +++ b/arch/powerpc/kernel/misc_64.S @@ -604,6 +604,76 @@ _GLOBAL(real_writeb) #endif /* defined(CONFIG_PPC_PMAC) || defined(CONFIG_PPC_MAPLE) */ /* + * SCOM access functions for 970 (FX only for now) + * + * unsigned long scom970_read(unsigned int address); + * void scom970_write(unsigned int address, unsigned long value); + * + * The address passed in is the 24 bits register address. This code + * is 970 specific and will not check the status bits, so you should + * know what you are doing. + */ +_GLOBAL(scom970_read) + /* interrupts off */ + mfmsr r4 + ori r0,r4,MSR_EE + xori r0,r0,MSR_EE + mtmsrd r0,1 + + /* rotate 24 bits SCOM address 8 bits left and mask out it's low 8 bits + * (including parity). On current CPUs they must be 0'd, + * and finally or in RW bit + */ + rlwinm r3,r3,8,0,15 + ori r3,r3,0x8000 + + /* do the actual scom read */ + sync + mtspr SPRN_SCOMC,r3 + isync + mfspr r3,SPRN_SCOMD + isync + mfspr r0,SPRN_SCOMC + isync + + /* XXX: fixup result on some buggy 970's (ouch ! we lost a bit, bah + * that's the best we can do). Not implemented yet as we don't use + * the scom on any of the bogus CPUs yet, but may have to be done + * ultimately + */ + + /* restore interrupts */ + mtmsrd r4,1 + blr + + +_GLOBAL(scom970_write) + /* interrupts off */ + mfmsr r5 + ori r0,r5,MSR_EE + xori r0,r0,MSR_EE + mtmsrd r0,1 + + /* rotate 24 bits SCOM address 8 bits left and mask out it's low 8 bits + * (including parity). On current CPUs they must be 0'd. + */ + + rlwinm r3,r3,8,0,15 + + sync + mtspr SPRN_SCOMD,r4 /* write data */ + isync + mtspr SPRN_SCOMC,r3 /* write command */ + isync + mfspr 3,SPRN_SCOMC + isync + + /* restore interrupts */ + mtmsrd r5,1 + blr + + +/* * Create a kernel thread * kernel_thread(fn, arg, flags) */ diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index 7f64f0464d4..de69fb37c73 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -46,10 +46,10 @@ #include <asm/processor.h> #include <asm/mmu.h> #include <asm/prom.h> +#include <asm/machdep.h> #ifdef CONFIG_PPC64 #include <asm/firmware.h> #include <asm/time.h> -#include <asm/machdep.h> #endif extern unsigned long _get_SP(void); @@ -203,10 +203,8 @@ int dump_spe(struct pt_regs *regs, elf_vrregset_t *evrregs) int set_dabr(unsigned long dabr) { -#ifdef CONFIG_PPC64 if (ppc_md.set_dabr) return ppc_md.set_dabr(dabr); -#endif mtspr(SPRN_DABR, dabr); return 0; diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index 3675ef4bac9..f645adb5753 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -1974,14 +1974,29 @@ EXPORT_SYMBOL(get_property); /* * Add a property to a node */ -void prom_add_property(struct device_node* np, struct property* prop) +int prom_add_property(struct device_node* np, struct property* prop) { - struct property **next = &np->properties; + struct property **next; prop->next = NULL; - while (*next) + write_lock(&devtree_lock); + next = &np->properties; + while (*next) { + if (strcmp(prop->name, (*next)->name) == 0) { + /* duplicate ! don't insert it */ + write_unlock(&devtree_lock); + return -1; + } next = &(*next)->next; + } *next = prop; + write_unlock(&devtree_lock); + + /* try to add to proc as well if it was initialized */ + if (np->pde) + proc_device_tree_add_prop(np->pde, prop); + + return 0; } /* I quickly hacked that one, check against spec ! */ diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c index c758b6624d7..6dc33d19fc2 100644 --- a/arch/powerpc/kernel/prom_init.c +++ b/arch/powerpc/kernel/prom_init.c @@ -403,19 +403,19 @@ static int __init prom_next_node(phandle *nodep) } } -static int __init prom_getprop(phandle node, const char *pname, +static int inline prom_getprop(phandle node, const char *pname, void *value, size_t valuelen) { return call_prom("getprop", 4, 1, node, ADDR(pname), (u32)(unsigned long) value, (u32) valuelen); } -static int __init prom_getproplen(phandle node, const char *pname) +static int inline prom_getproplen(phandle node, const char *pname) { return call_prom("getproplen", 2, 1, node, ADDR(pname)); } -static int __init prom_setprop(phandle node, const char *pname, +static int inline prom_setprop(phandle node, const char *pname, void *value, size_t valuelen) { return call_prom("setprop", 4, 1, node, ADDR(pname), @@ -1408,8 +1408,9 @@ static int __init prom_find_machine_type(void) struct prom_t *_prom = &RELOC(prom); char compat[256]; int len, i = 0; +#ifdef CONFIG_PPC64 phandle rtas; - +#endif len = prom_getprop(_prom->root, "compatible", compat, sizeof(compat)-1); if (len > 0) { @@ -1872,7 +1873,7 @@ static void __init fixup_device_tree(void) if (prom_getprop(u3, "device-rev", &u3_rev, sizeof(u3_rev)) == PROM_ERROR) return; - if (u3_rev != 0x35 && u3_rev != 0x37) + if (u3_rev < 0x35 || u3_rev > 0x39) return; /* does it need fixup ? */ if (prom_getproplen(i2c, "interrupts") > 0) diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c index b7fc2d88495..9d4e07f6f1e 100644 --- a/arch/powerpc/kernel/rtas.c +++ b/arch/powerpc/kernel/rtas.c @@ -17,6 +17,7 @@ #include <linux/spinlock.h> #include <linux/module.h> #include <linux/init.h> +#include <linux/delay.h> #include <asm/prom.h> #include <asm/rtas.h> @@ -83,7 +84,7 @@ void call_rtas_display_status_delay(unsigned char c) while (width-- > 0) call_rtas_display_status(' '); width = 16; - udelay(500000); + mdelay(500); pending_newline = 1; } else { if (pending_newline) { @@ -608,7 +609,6 @@ asmlinkage int ppc_rtas(struct rtas_args __user *uargs) return 0; } -#ifdef CONFIG_SMP /* This version can't take the spinlock, because it never returns */ struct rtas_args rtas_stop_self_args = { @@ -633,7 +633,6 @@ void rtas_stop_self(void) panic("Alas, I survived.\n"); } -#endif /* * Call early during boot, before mem init or bootmem, to retreive the RTAS diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c index d43fa8c0e5a..e22856ecb5a 100644 --- a/arch/powerpc/kernel/setup-common.c +++ b/arch/powerpc/kernel/setup-common.c @@ -405,6 +405,46 @@ static int __init set_preferred_console(void) console_initcall(set_preferred_console); #endif /* CONFIG_PPC_MULTIPLATFORM */ +void __init check_for_initrd(void) +{ +#ifdef CONFIG_BLK_DEV_INITRD + unsigned long *prop; + + DBG(" -> check_for_initrd()\n"); + + if (of_chosen) { + prop = (unsigned long *)get_property(of_chosen, + "linux,initrd-start", NULL); + if (prop != NULL) { + initrd_start = (unsigned long)__va(*prop); + prop = (unsigned long *)get_property(of_chosen, + "linux,initrd-end", NULL); + if (prop != NULL) { + initrd_end = (unsigned long)__va(*prop); + initrd_below_start_ok = 1; + } else + initrd_start = 0; + } + } + + /* If we were passed an initrd, set the ROOT_DEV properly if the values + * look sensible. If not, clear initrd reference. + */ + if (initrd_start >= KERNELBASE && initrd_end >= KERNELBASE && + initrd_end > initrd_start) + ROOT_DEV = Root_RAM0; + else { + printk("Bogus initrd %08lx %08lx\n", initrd_start, initrd_end); + initrd_start = initrd_end = 0; + } + + if (initrd_start) + printk("Found initrd at 0x%lx:0x%lx\n", initrd_start, initrd_end); + + DBG(" <- check_for_initrd()\n"); +#endif /* CONFIG_BLK_DEV_INITRD */ +} + #ifdef CONFIG_SMP /** diff --git a/arch/powerpc/kernel/setup_32.c b/arch/powerpc/kernel/setup_32.c index b45eedbb4b3..3af2631e3fa 100644 --- a/arch/powerpc/kernel/setup_32.c +++ b/arch/powerpc/kernel/setup_32.c @@ -286,6 +286,7 @@ void __init setup_arch(char **cmdline_p) loops_per_jiffy = 500000000 / HZ; unflatten_device_tree(); + check_for_initrd(); finish_device_tree(); smp_setup_cpu_maps(); diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c index b0994050024..0471e843b6c 100644 --- a/arch/powerpc/kernel/setup_64.c +++ b/arch/powerpc/kernel/setup_64.c @@ -41,7 +41,6 @@ #include <asm/elf.h> #include <asm/machdep.h> #include <asm/paca.h> -#include <asm/ppcdebug.h> #include <asm/time.h> #include <asm/cputable.h> #include <asm/sections.h> @@ -60,6 +59,7 @@ #include <asm/firmware.h> #include <asm/systemcfg.h> #include <asm/xmon.h> +#include <asm/udbg.h> #ifdef DEBUG #define DBG(fmt...) udbg_printf(fmt) @@ -244,12 +244,6 @@ void __init early_setup(unsigned long dt_ptr) DBG(" -> early_setup()\n"); /* - * Fill the default DBG level (do we want to keep - * that old mecanism around forever ?) - */ - ppcdbg_initialize(); - - /* * Do early initializations using the flattened device * tree, like retreiving the physical memory map or * calculating/retreiving the hash table size @@ -401,43 +395,6 @@ static void __init initialize_cache_info(void) DBG(" <- initialize_cache_info()\n"); } -static void __init check_for_initrd(void) -{ -#ifdef CONFIG_BLK_DEV_INITRD - u64 *prop; - - DBG(" -> check_for_initrd()\n"); - - if (of_chosen) { - prop = (u64 *)get_property(of_chosen, - "linux,initrd-start", NULL); - if (prop != NULL) { - initrd_start = (unsigned long)__va(*prop); - prop = (u64 *)get_property(of_chosen, - "linux,initrd-end", NULL); - if (prop != NULL) { - initrd_end = (unsigned long)__va(*prop); - initrd_below_start_ok = 1; - } else - initrd_start = 0; - } - } - - /* If we were passed an initrd, set the ROOT_DEV properly if the values - * look sensible. If not, clear initrd reference. - */ - if (initrd_start >= KERNELBASE && initrd_end >= KERNELBASE && - initrd_end > initrd_start) - ROOT_DEV = Root_RAM0; - else - initrd_start = initrd_end = 0; - - if (initrd_start) - printk("Found initrd at 0x%lx:0x%lx\n", initrd_start, initrd_end); - - DBG(" <- check_for_initrd()\n"); -#endif /* CONFIG_BLK_DEV_INITRD */ -} /* * Do some initial setup of the system. The parameters are those which @@ -521,7 +478,6 @@ void __init setup_system(void) printk("-----------------------------------------------------\n"); printk("ppc64_pft_size = 0x%lx\n", ppc64_pft_size); - printk("ppc64_debug_switch = 0x%lx\n", ppc64_debug_switch); printk("ppc64_interrupt_controller = 0x%ld\n", ppc64_interrupt_controller); printk("systemcfg = 0x%p\n", systemcfg); printk("systemcfg->platform = 0x%x\n", systemcfg->platform); diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c index 876c57c1136..081d931eae4 100644 --- a/arch/powerpc/kernel/signal_32.c +++ b/arch/powerpc/kernel/signal_32.c @@ -44,7 +44,6 @@ #include <asm/cacheflush.h> #ifdef CONFIG_PPC64 #include "ppc32.h" -#include <asm/ppcdebug.h> #include <asm/unistd.h> #include <asm/vdso.h> #else diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c index ec9d0984b6a..58194e15071 100644 --- a/arch/powerpc/kernel/signal_64.c +++ b/arch/powerpc/kernel/signal_64.c @@ -33,7 +33,6 @@ #include <asm/ucontext.h> #include <asm/uaccess.h> #include <asm/pgtable.h> -#include <asm/ppcdebug.h> #include <asm/unistd.h> #include <asm/cacheflush.h> #include <asm/vdso.h> diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c index 1794a694a92..5c330c3366e 100644 --- a/arch/powerpc/kernel/smp.c +++ b/arch/powerpc/kernel/smp.c @@ -40,7 +40,6 @@ #include <asm/prom.h> #include <asm/smp.h> #include <asm/time.h> -#include <asm/xmon.h> #include <asm/machdep.h> #include <asm/cputable.h> #include <asm/system.h> diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c index b1c89bc4bf9..a6282b625b4 100644 --- a/arch/powerpc/kernel/time.c +++ b/arch/powerpc/kernel/time.c @@ -61,6 +61,7 @@ #include <asm/prom.h> #include <asm/irq.h> #include <asm/div64.h> +#include <asm/smp.h> #ifdef CONFIG_PPC64 #include <asm/systemcfg.h> #include <asm/firmware.h> @@ -119,10 +120,6 @@ static unsigned adjusting_time = 0; unsigned long ppc_proc_freq; unsigned long ppc_tb_freq; -#ifdef CONFIG_PPC32 /* XXX for now */ -#define boot_cpuid 0 -#endif - u64 tb_last_jiffy __cacheline_aligned_in_smp; unsigned long tb_last_stamp; diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c index 07e5ee40b87..32f215825e8 100644 --- a/arch/powerpc/kernel/traps.c +++ b/arch/powerpc/kernel/traps.c @@ -39,7 +39,6 @@ #include <asm/io.h> #include <asm/machdep.h> #include <asm/rtas.h> -#include <asm/xmon.h> #include <asm/pmc.h> #ifdef CONFIG_PPC32 #include <asm/reg.h> @@ -748,22 +747,12 @@ static int check_bug_trap(struct pt_regs *regs) return 0; if (bug->line & BUG_WARNING_TRAP) { /* this is a WARN_ON rather than BUG/BUG_ON */ -#ifdef CONFIG_XMON - xmon_printf(KERN_ERR "Badness in %s at %s:%ld\n", - bug->function, bug->file, - bug->line & ~BUG_WARNING_TRAP); -#endif /* CONFIG_XMON */ printk(KERN_ERR "Badness in %s at %s:%ld\n", bug->function, bug->file, bug->line & ~BUG_WARNING_TRAP); dump_stack(); return 1; } -#ifdef CONFIG_XMON - xmon_printf(KERN_CRIT "kernel BUG in %s at %s:%ld!\n", - bug->function, bug->file, bug->line); - xmon(regs); -#endif /* CONFIG_XMON */ printk(KERN_CRIT "kernel BUG in %s at %s:%ld!\n", bug->function, bug->file, bug->line); diff --git a/arch/powerpc/lib/locks.c b/arch/powerpc/lib/locks.c index 2a912f411eb..35bd03c41dd 100644 --- a/arch/powerpc/lib/locks.c +++ b/arch/powerpc/lib/locks.c @@ -23,6 +23,7 @@ #if defined(CONFIG_PPC_SPLPAR) || defined(CONFIG_PPC_ISERIES) #include <asm/hvcall.h> #include <asm/iseries/hv_call.h> +#include <asm/smp.h> void __spin_yield(raw_spinlock_t *lock) { diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c index 841d8b6323a..93d4fbfdb72 100644 --- a/arch/powerpc/mm/fault.c +++ b/arch/powerpc/mm/fault.c @@ -389,5 +389,22 @@ void bad_page_fault(struct pt_regs *regs, unsigned long address, int sig) } /* kernel has accessed a bad area */ + + printk(KERN_ALERT "Unable to handle kernel paging request for "); + switch (regs->trap) { + case 0x300: + case 0x380: + printk("data at address 0x%08lx\n", regs->dar); + break; + case 0x400: + case 0x480: + printk("instruction fetch\n"); + break; + default: + printk("unknown fault\n"); + } + printk(KERN_ALERT "Faulting instruction address: 0x%08lx\n", + regs->nip); + die("Kernel access of bad area", regs, sig); } diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c index f15dfb92dec..22e47487613 100644 --- a/arch/powerpc/mm/hash_utils_64.c +++ b/arch/powerpc/mm/hash_utils_64.c @@ -33,7 +33,6 @@ #include <linux/init.h> #include <linux/signal.h> -#include <asm/ppcdebug.h> #include <asm/processor.h> #include <asm/pgtable.h> #include <asm/mmu.h> @@ -409,12 +408,6 @@ void __init htab_initialize(void) htab_size_bytes = htab_get_table_size(); pteg_count = htab_size_bytes >> 7; - /* For debug, make the HTAB 1/8 as big as it normally would be. */ - ifppcdebug(PPCDBG_HTABSIZE) { - pteg_count >>= 3; - htab_size_bytes = pteg_count << 7; - } - htab_hash_mask = pteg_count - 1; if (systemcfg->platform & PLATFORM_LPAR) { @@ -514,6 +507,9 @@ unsigned int hash_page_do_lazy_icache(unsigned int pp, pte_t pte, int trap) { struct page *page; + if (!pfn_valid(pte_pfn(pte))) + return pp; + page = pte_page(pte); /* page is dirty */ diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c index dfe7fa37b41..ce974c83d88 100644 --- a/arch/powerpc/mm/init_64.c +++ b/arch/powerpc/mm/init_64.c @@ -57,7 +57,6 @@ #include <asm/processor.h> #include <asm/mmzone.h> #include <asm/cputable.h> -#include <asm/ppcdebug.h> #include <asm/sections.h> #include <asm/system.h> #include <asm/iommu.h> diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c index 7faa46b71f2..6f55efd9be9 100644 --- a/arch/powerpc/mm/mem.c +++ b/arch/powerpc/mm/mem.c @@ -358,7 +358,7 @@ void __init mem_init(void) } codesize = (unsigned long)&_sdata - (unsigned long)&_stext; - datasize = (unsigned long)&__init_begin - (unsigned long)&_sdata; + datasize = (unsigned long)&_edata - (unsigned long)&_sdata; initsize = (unsigned long)&__init_end - (unsigned long)&__init_begin; bsssize = (unsigned long)&__bss_stop - (unsigned long)&__bss_start; diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c index 4035cad8d7f..da09ba03c42 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -21,6 +21,7 @@ #include <asm/machdep.h> #include <asm/abs_addr.h> #include <asm/system.h> +#include <asm/smp.h> static int numa_enabled = 1; diff --git a/arch/powerpc/mm/pgtable_64.c b/arch/powerpc/mm/pgtable_64.c index 51b78694097..900842451bd 100644 --- a/arch/powerpc/mm/pgtable_64.c +++ b/arch/powerpc/mm/pgtable_64.c @@ -59,7 +59,6 @@ #include <asm/processor.h> #include <asm/mmzone.h> #include <asm/cputable.h> -#include <asm/ppcdebug.h> #include <asm/sections.h> #include <asm/system.h> #include <asm/iommu.h> diff --git a/arch/powerpc/oprofile/op_model_power4.c b/arch/powerpc/oprofile/op_model_power4.c index 88644931584..c4ee5478427 100644 --- a/arch/powerpc/oprofile/op_model_power4.c +++ b/arch/powerpc/oprofile/op_model_power4.c @@ -17,6 +17,7 @@ #include <asm/systemcfg.h> #include <asm/rtas.h> #include <asm/oprofile_impl.h> +#include <asm/reg.h> #define dbg(args...) @@ -81,6 +82,26 @@ static void power4_reg_setup(struct op_counter_config *ctr, extern void ppc64_enable_pmcs(void); +/* + * Older CPUs require the MMCRA sample bit to be always set, but newer + * CPUs only want it set for some groups. Eventually we will remove all + * knowledge of this bit in the kernel, oprofile userspace should be + * setting it when required. + * + * In order to keep current installations working we force the bit for + * those older CPUs. Once everyone has updated their oprofile userspace we + * can remove this hack. + */ +static inline int mmcra_must_set_sample(void) +{ + if (__is_processor(PV_POWER4) || __is_processor(PV_POWER4p) || + __is_processor(PV_970) || __is_processor(PV_970FX) || + __is_processor(PV_970MP)) + return 1; + + return 0; +} + static void power4_cpu_setup(void *unused) { unsigned int mmcr0 = mmcr0_val; @@ -98,7 +119,8 @@ static void power4_cpu_setup(void *unused) mtspr(SPRN_MMCR1, mmcr1_val); - mmcra |= MMCRA_SAMPLE_ENABLE; + if (mmcra_must_set_sample()) + mmcra |= MMCRA_SAMPLE_ENABLE; mtspr(SPRN_MMCRA, mmcra); dbg("setup on cpu %d, mmcr0 %lx\n", smp_processor_id(), diff --git a/arch/powerpc/platforms/iseries/irq.c b/arch/powerpc/platforms/iseries/irq.c index c1135912cc0..a06603d84a4 100644 --- a/arch/powerpc/platforms/iseries/irq.c +++ b/arch/powerpc/platforms/iseries/irq.c @@ -35,7 +35,6 @@ #include <linux/irq.h> #include <linux/spinlock.h> -#include <asm/ppcdebug.h> #include <asm/iseries/hv_types.h> #include <asm/iseries/hv_lp_event.h> #include <asm/iseries/hv_call_xm.h> @@ -227,8 +226,6 @@ static void iSeries_enable_IRQ(unsigned int irq) /* Unmask secondary INTA */ mask = 0x80000000; HvCallPci_unmaskInterrupts(bus, subBus, deviceId, mask); - PPCDBG(PPCDBG_BUSWALK, "iSeries_enable_IRQ 0x%02X.%02X.%02X 0x%04X\n", - bus, subBus, deviceId, irq); } /* This is called by iSeries_activate_IRQs */ @@ -310,8 +307,6 @@ static void iSeries_disable_IRQ(unsigned int irq) /* Mask secondary INTA */ mask = 0x80000000; HvCallPci_maskInterrupts(bus, subBus, deviceId, mask); - PPCDBG(PPCDBG_BUSWALK, "iSeries_disable_IRQ 0x%02X.%02X.%02X 0x%04X\n", - bus, subBus, deviceId, irq); } /* diff --git a/arch/powerpc/platforms/iseries/pci.c b/arch/powerpc/platforms/iseries/pci.c index 7d7d5884343..4b75131773a 100644 --- a/arch/powerpc/platforms/iseries/pci.c +++ b/arch/powerpc/platforms/iseries/pci.c @@ -32,7 +32,6 @@ #include <asm/prom.h> #include <asm/machdep.h> #include <asm/pci-bridge.h> -#include <asm/ppcdebug.h> #include <asm/iommu.h> #include <asm/abs_addr.h> @@ -207,10 +206,6 @@ static struct device_node *build_device_node(HvBusNumber Bus, struct device_node *node; struct pci_dn *pdn; - PPCDBG(PPCDBG_BUSWALK, - "-build_device_node 0x%02X.%02X.%02X Function: %02X\n", - Bus, SubBus, AgentId, Function); - node = kmalloc(sizeof(struct device_node), GFP_KERNEL); if (node == NULL) return NULL; @@ -243,8 +238,6 @@ unsigned long __init find_and_init_phbs(void) struct pci_controller *phb; HvBusNumber bus; - PPCDBG(PPCDBG_BUSWALK, "find_and_init_phbs Entry\n"); - /* Check all possible buses. */ for (bus = 0; bus < 256; bus++) { int ret = HvCallXm_testBus(bus); @@ -261,9 +254,6 @@ unsigned long __init find_and_init_phbs(void) phb->last_busno = bus; phb->ops = &iSeries_pci_ops; - PPCDBG(PPCDBG_BUSWALK, "PCI:Create iSeries pci_controller(%p), Bus: %04X\n", - phb, bus); - /* Find and connect the devices. */ scan_PHB_slots(phb); } @@ -285,11 +275,9 @@ unsigned long __init find_and_init_phbs(void) */ void iSeries_pcibios_init(void) { - PPCDBG(PPCDBG_BUSWALK, "iSeries_pcibios_init Entry.\n"); iomm_table_initialize(); find_and_init_phbs(); io_page_mask = -1; - PPCDBG(PPCDBG_BUSWALK, "iSeries_pcibios_init Exit.\n"); } /* @@ -301,8 +289,6 @@ void __init iSeries_pci_final_fixup(void) struct device_node *node; int DeviceCount = 0; - PPCDBG(PPCDBG_BUSWALK, "iSeries_pcibios_fixup Entry.\n"); - /* Fix up at the device node and pci_dev relationship */ mf_display_src(0xC9000100); @@ -316,9 +302,6 @@ void __init iSeries_pci_final_fixup(void) ++DeviceCount; pdev->sysdata = (void *)node; PCI_DN(node)->pcidev = pdev; - PPCDBG(PPCDBG_BUSWALK, - "pdev 0x%p <==> DevNode 0x%p\n", - pdev, node); allocate_device_bars(pdev); iSeries_Device_Information(pdev, DeviceCount); iommu_devnode_init_iSeries(node); @@ -333,13 +316,10 @@ void __init iSeries_pci_final_fixup(void) void pcibios_fixup_bus(struct pci_bus *PciBus) { - PPCDBG(PPCDBG_BUSWALK, "iSeries_pcibios_fixup_bus(0x%04X) Entry.\n", - PciBus->number); } void pcibios_fixup_resources(struct pci_dev *pdev) { - PPCDBG(PPCDBG_BUSWALK, "fixup_resources pdev %p\n", pdev); } /* @@ -401,9 +381,6 @@ static void scan_EADS_bridge(HvBusNumber bus, HvSubBusNumber SubBus, printk("found device at bus %d idsel %d func %d (AgentId %x)\n", bus, IdSel, Function, AgentId); /* Connect EADs: 0x18.00.12 = 0x00 */ - PPCDBG(PPCDBG_BUSWALK, - "PCI:Connect EADs: 0x%02X.%02X.%02X\n", - bus, SubBus, AgentId); HvRc = HvCallPci_getBusUnitInfo(bus, SubBus, AgentId, iseries_hv_addr(BridgeInfo), sizeof(struct HvCallPci_BridgeInfo)); @@ -414,14 +391,6 @@ static void scan_EADS_bridge(HvBusNumber bus, HvSubBusNumber SubBus, BridgeInfo->maxAgents, BridgeInfo->maxSubBusNumber, BridgeInfo->logicalSlotNumber); - PPCDBG(PPCDBG_BUSWALK, - "PCI: BridgeInfo, Type:0x%02X, SubBus:0x%02X, MaxAgents:0x%02X, MaxSubBus: 0x%02X, LSlot: 0x%02X\n", - BridgeInfo->busUnitInfo.deviceType, - BridgeInfo->subBusNumber, - BridgeInfo->maxAgents, - BridgeInfo->maxSubBusNumber, - BridgeInfo->logicalSlotNumber); - if (BridgeInfo->busUnitInfo.deviceType == HvCallPci_BridgeDevice) { /* Scan_Bridge_Slot...: 0x18.00.12 */ @@ -454,9 +423,6 @@ static int scan_bridge_slot(HvBusNumber Bus, /* iSeries_allocate_IRQ.: 0x18.00.12(0xA3) */ Irq = iSeries_allocate_IRQ(Bus, 0, EADsIdSel); - PPCDBG(PPCDBG_BUSWALK, - "PCI:- allocate and assign IRQ 0x%02X.%02X.%02X = 0x%02X\n", - Bus, 0, EADsIdSel, Irq); /* * Connect all functions of any device found. @@ -482,9 +448,6 @@ static int scan_bridge_slot(HvBusNumber Bus, printk("read vendor ID: %x\n", VendorId); /* FoundDevice: 0x18.28.10 = 0x12AE */ - PPCDBG(PPCDBG_BUSWALK, - "PCI:- FoundDevice: 0x%02X.%02X.%02X = 0x%04X, irq %d\n", - Bus, SubBus, AgentId, VendorId, Irq); HvRc = HvCallPci_configStore8(Bus, SubBus, AgentId, PCI_INTERRUPT_LINE, Irq); if (HvRc != 0) diff --git a/arch/powerpc/platforms/iseries/setup.c b/arch/powerpc/platforms/iseries/setup.c index c5207064977..d3e4bf756c8 100644 --- a/arch/powerpc/platforms/iseries/setup.c +++ b/arch/powerpc/platforms/iseries/setup.c @@ -71,8 +71,6 @@ extern void hvlog(char *fmt, ...); #endif /* Function Prototypes */ -extern void ppcdbg_initialize(void); - static void build_iSeries_Memory_Map(void); static void iseries_shared_idle(void); static void iseries_dedicated_idle(void); @@ -309,8 +307,6 @@ static void __init iSeries_init_early(void) ppc64_firmware_features = FW_FEATURE_ISERIES; - ppcdbg_initialize(); - ppc64_interrupt_controller = IC_ISERIES; #if defined(CONFIG_BLK_DEV_INITRD) diff --git a/arch/powerpc/platforms/iseries/smp.c b/arch/powerpc/platforms/iseries/smp.c index 3336bad6772..fcb094ec6ae 100644 --- a/arch/powerpc/platforms/iseries/smp.c +++ b/arch/powerpc/platforms/iseries/smp.c @@ -40,7 +40,6 @@ #include <asm/paca.h> #include <asm/iseries/hv_call.h> #include <asm/time.h> -#include <asm/ppcdebug.h> #include <asm/machdep.h> #include <asm/cputable.h> #include <asm/system.h> diff --git a/arch/powerpc/platforms/powermac/Makefile b/arch/powerpc/platforms/powermac/Makefile index 4369676f1d5..c9df44fcf57 100644 --- a/arch/powerpc/platforms/powermac/Makefile +++ b/arch/powerpc/platforms/powermac/Makefile @@ -1,7 +1,8 @@ obj-y += pic.o setup.o time.o feature.o pci.o \ sleep.o low_i2c.o cache.o obj-$(CONFIG_PMAC_BACKLIGHT) += backlight.o -obj-$(CONFIG_CPU_FREQ_PMAC) += cpufreq.o +obj-$(CONFIG_CPU_FREQ_PMAC) += cpufreq_32.o +obj-$(CONFIG_CPU_FREQ_PMAC64) += cpufreq_64.o obj-$(CONFIG_NVRAM) += nvram.o # ppc64 pmac doesn't define CONFIG_NVRAM but needs nvram stuff obj-$(CONFIG_PPC64) += nvram.o diff --git a/arch/powerpc/platforms/powermac/cpufreq.c b/arch/powerpc/platforms/powermac/cpufreq_32.c index c47f8b69725..56fd4e05fed 100644 --- a/arch/powerpc/platforms/powermac/cpufreq.c +++ b/arch/powerpc/platforms/powermac/cpufreq_32.c @@ -397,18 +397,16 @@ static int pmac_cpufreq_target( struct cpufreq_policy *policy, unsigned int relation) { unsigned int newstate = 0; + int rc; if (cpufreq_frequency_table_target(policy, pmac_cpu_freqs, target_freq, relation, &newstate)) return -EINVAL; - return do_set_cpu_speed(newstate, 1); -} + rc = do_set_cpu_speed(newstate, 1); -unsigned int pmac_get_one_cpufreq(int i) -{ - /* Supports only one CPU for now */ - return (i == 0) ? cur_freq : 0; + ppc_proc_freq = cur_freq * 1000ul; + return rc; } static int pmac_cpufreq_cpu_init(struct cpufreq_policy *policy) @@ -474,6 +472,8 @@ static int pmac_cpufreq_resume(struct cpufreq_policy *policy) do_set_cpu_speed(sleep_freq == low_freq ? CPUFREQ_LOW : CPUFREQ_HIGH, 0); + ppc_proc_freq = cur_freq * 1000ul; + no_schedule = 0; return 0; } @@ -547,7 +547,7 @@ static int pmac_cpufreq_init_MacRISC3(struct device_node *cpunode) */ if (low_freq < 98000000) low_freq = 101000000; - + /* Convert those to CPU core clocks */ low_freq = (low_freq * (*ratio)) / 2000; hi_freq = (hi_freq * (*ratio)) / 2000; @@ -714,6 +714,7 @@ out: pmac_cpu_freqs[CPUFREQ_LOW].frequency = low_freq; pmac_cpu_freqs[CPUFREQ_HIGH].frequency = hi_freq; + ppc_proc_freq = cur_freq * 1000ul; printk(KERN_INFO "Registering PowerMac CPU frequency driver\n"); printk(KERN_INFO "Low: %d Mhz, High: %d Mhz, Boot: %d Mhz\n", diff --git a/arch/powerpc/platforms/powermac/cpufreq_64.c b/arch/powerpc/platforms/powermac/cpufreq_64.c new file mode 100644 index 00000000000..39150342c6f --- /dev/null +++ b/arch/powerpc/platforms/powermac/cpufreq_64.c @@ -0,0 +1,323 @@ +/* + * Copyright (C) 2002 - 2005 Benjamin Herrenschmidt <benh@kernel.crashing.org> + * and Markus Demleitner <msdemlei@cl.uni-heidelberg.de> + * + * 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 driver adds basic cpufreq support for SMU & 970FX based G5 Macs, + * that is iMac G5 and latest single CPU desktop. + */ + +#include <linux/config.h> +#include <linux/module.h> +#include <linux/types.h> +#include <linux/errno.h> +#include <linux/kernel.h> +#include <linux/delay.h> +#include <linux/sched.h> +#include <linux/slab.h> +#include <linux/cpufreq.h> +#include <linux/init.h> +#include <linux/completion.h> +#include <asm/prom.h> +#include <asm/machdep.h> +#include <asm/irq.h> +#include <asm/sections.h> +#include <asm/cputable.h> +#include <asm/time.h> +#include <asm/smu.h> + +#undef DEBUG + +#ifdef DEBUG +#define DBG(fmt...) printk(fmt) +#else +#define DBG(fmt...) +#endif + +/* see 970FX user manual */ + +#define SCOM_PCR 0x0aa001 /* PCR scom addr */ + +#define PCR_HILO_SELECT 0x80000000U /* 1 = PCR, 0 = PCRH */ +#define PCR_SPEED_FULL 0x00000000U /* 1:1 speed value */ +#define PCR_SPEED_HALF 0x00020000U /* 1:2 speed value */ +#define PCR_SPEED_QUARTER 0x00040000U /* 1:4 speed value */ +#define PCR_SPEED_MASK 0x000e0000U /* speed mask */ +#define PCR_SPEED_SHIFT 17 +#define PCR_FREQ_REQ_VALID 0x00010000U /* freq request valid */ +#define PCR_VOLT_REQ_VALID 0x00008000U /* volt request valid */ +#define PCR_TARGET_TIME_MASK 0x00006000U /* target time */ +#define PCR_STATLAT_MASK 0x00001f00U /* STATLAT value */ +#define PCR_SNOOPLAT_MASK 0x000000f0U /* SNOOPLAT value */ +#define PCR_SNOOPACC_MASK 0x0000000fU /* SNOOPACC value */ + +#define SCOM_PSR 0x408001 /* PSR scom addr */ +/* warning: PSR is a 64 bits register */ +#define PSR_CMD_RECEIVED 0x2000000000000000U /* command received */ +#define PSR_CMD_COMPLETED 0x1000000000000000U /* command completed */ +#define PSR_CUR_SPEED_MASK 0x0300000000000000U /* current speed */ +#define PSR_CUR_SPEED_SHIFT (56) + +/* + * The G5 only supports two frequencies (Quarter speed is not supported) + */ +#define CPUFREQ_HIGH 0 +#define CPUFREQ_LOW 1 + +static struct cpufreq_frequency_table g5_cpu_freqs[] = { + {CPUFREQ_HIGH, 0}, + {CPUFREQ_LOW, 0}, + {0, CPUFREQ_TABLE_END}, +}; + +static struct freq_attr* g5_cpu_freqs_attr[] = { + &cpufreq_freq_attr_scaling_available_freqs, + NULL, +}; + +/* Power mode data is an array of the 32 bits PCR values to use for + * the various frequencies, retreived from the device-tree + */ +static u32 *g5_pmode_data; +static int g5_pmode_max; +static int g5_pmode_cur; + +static DECLARE_MUTEX(g5_switch_mutex); + + +static struct smu_sdbp_fvt *g5_fvt_table; /* table of op. points */ +static int g5_fvt_count; /* number of op. points */ +static int g5_fvt_cur; /* current op. point */ + +/* ----------------- real hardware interface */ + +static void g5_switch_volt(int speed_mode) +{ + struct smu_simple_cmd cmd; + + DECLARE_COMPLETION(comp); + smu_queue_simple(&cmd, SMU_CMD_POWER_COMMAND, 8, smu_done_complete, + &comp, 'V', 'S', 'L', 'E', 'W', + 0xff, g5_fvt_cur+1, speed_mode); + wait_for_completion(&comp); +} + +static int g5_switch_freq(int speed_mode) +{ + struct cpufreq_freqs freqs; + int to; + + if (g5_pmode_cur == speed_mode) + return 0; + + down(&g5_switch_mutex); + + freqs.old = g5_cpu_freqs[g5_pmode_cur].frequency; + freqs.new = g5_cpu_freqs[speed_mode].frequency; + freqs.cpu = 0; + + cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE); + + /* If frequency is going up, first ramp up the voltage */ + if (speed_mode < g5_pmode_cur) + g5_switch_volt(speed_mode); + + /* Clear PCR high */ + scom970_write(SCOM_PCR, 0); + /* Clear PCR low */ + scom970_write(SCOM_PCR, PCR_HILO_SELECT | 0); + /* Set PCR low */ + scom970_write(SCOM_PCR, PCR_HILO_SELECT | + g5_pmode_data[speed_mode]); + + /* Wait for completion */ + for (to = 0; to < 10; to++) { + unsigned long psr = scom970_read(SCOM_PSR); + + if ((psr & PSR_CMD_RECEIVED) == 0 && + (((psr >> PSR_CUR_SPEED_SHIFT) ^ + (g5_pmode_data[speed_mode] >> PCR_SPEED_SHIFT)) & 0x3) + == 0) + break; + if (psr & PSR_CMD_COMPLETED) + break; + udelay(100); + } + + /* If frequency is going down, last ramp the voltage */ + if (speed_mode > g5_pmode_cur) + g5_switch_volt(speed_mode); + + g5_pmode_cur = speed_mode; + ppc_proc_freq = g5_cpu_freqs[speed_mode].frequency * 1000ul; + + cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE); + + up(&g5_switch_mutex); + + return 0; +} + +static int g5_query_freq(void) +{ + unsigned long psr = scom970_read(SCOM_PSR); + int i; + + for (i = 0; i <= g5_pmode_max; i++) + if ((((psr >> PSR_CUR_SPEED_SHIFT) ^ + (g5_pmode_data[i] >> PCR_SPEED_SHIFT)) & 0x3) == 0) + break; + return i; +} + +/* ----------------- cpufreq bookkeeping */ + +static int g5_cpufreq_verify(struct cpufreq_policy *policy) +{ + return cpufreq_frequency_table_verify(policy, g5_cpu_freqs); +} + +static int g5_cpufreq_target(struct cpufreq_policy *policy, + unsigned int target_freq, unsigned int relation) +{ + unsigned int newstate = 0; + + if (cpufreq_frequency_table_target(policy, g5_cpu_freqs, + target_freq, relation, &newstate)) + return -EINVAL; + + return g5_switch_freq(newstate); +} + +static unsigned int g5_cpufreq_get_speed(unsigned int cpu) +{ + return g5_cpu_freqs[g5_pmode_cur].frequency; +} + +static int g5_cpufreq_cpu_init(struct cpufreq_policy *policy) +{ + if (policy->cpu != 0) + return -ENODEV; + + policy->governor = CPUFREQ_DEFAULT_GOVERNOR; + policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL; + policy->cur = g5_cpu_freqs[g5_query_freq()].frequency; + cpufreq_frequency_table_get_attr(g5_cpu_freqs, policy->cpu); + + return cpufreq_frequency_table_cpuinfo(policy, + g5_cpu_freqs); +} + + +static struct cpufreq_driver g5_cpufreq_driver = { + .name = "powermac", + .owner = THIS_MODULE, + .flags = CPUFREQ_CONST_LOOPS, + .init = g5_cpufreq_cpu_init, + .verify = g5_cpufreq_verify, + .target = g5_cpufreq_target, + .get = g5_cpufreq_get_speed, + .attr = g5_cpu_freqs_attr, +}; + + +static int __init g5_cpufreq_init(void) +{ + struct device_node *cpunode; + unsigned int psize, ssize; + struct smu_sdbp_header *shdr; + unsigned long max_freq; + u32 *valp; + int rc = -ENODEV; + + /* Look for CPU and SMU nodes */ + cpunode = of_find_node_by_type(NULL, "cpu"); + if (!cpunode) { + DBG("No CPU node !\n"); + return -ENODEV; + } + + /* Check 970FX for now */ + valp = (u32 *)get_property(cpunode, "cpu-version", NULL); + if (!valp) { + DBG("No cpu-version property !\n"); + goto bail_noprops; + } + if (((*valp) >> 16) != 0x3c) { + DBG("Wrong CPU version: %08x\n", *valp); + goto bail_noprops; + } + + /* Look for the powertune data in the device-tree */ + g5_pmode_data = (u32 *)get_property(cpunode, "power-mode-data",&psize); + if (!g5_pmode_data) { + DBG("No power-mode-data !\n"); + goto bail_noprops; + } + g5_pmode_max = psize / sizeof(u32) - 1; + + /* Look for the FVT table */ + shdr = smu_get_sdb_partition(SMU_SDB_FVT_ID, NULL); + if (!shdr) + goto bail_noprops; + g5_fvt_table = (struct smu_sdbp_fvt *)&shdr[1]; + ssize = (shdr->len * sizeof(u32)) - sizeof(struct smu_sdbp_header); + g5_fvt_count = ssize / sizeof(struct smu_sdbp_fvt); + g5_fvt_cur = 0; + + /* Sanity checking */ + if (g5_fvt_count < 1 || g5_pmode_max < 1) + goto bail_noprops; + + /* + * From what I see, clock-frequency is always the maximal frequency. + * The current driver can not slew sysclk yet, so we really only deal + * with powertune steps for now. We also only implement full freq and + * half freq in this version. So far, I haven't yet seen a machine + * supporting anything else. + */ + valp = (u32 *)get_property(cpunode, "clock-frequency", NULL); + if (!valp) + return -ENODEV; + max_freq = (*valp)/1000; + g5_cpu_freqs[0].frequency = max_freq; + g5_cpu_freqs[1].frequency = max_freq/2; + + /* Check current frequency */ + g5_pmode_cur = g5_query_freq(); + if (g5_pmode_cur > 1) + /* We don't support anything but 1:1 and 1:2, fixup ... */ + g5_pmode_cur = 1; + + /* Force apply current frequency to make sure everything is in + * sync (voltage is right for example). Firmware may leave us with + * a strange setting ... + */ + g5_switch_freq(g5_pmode_cur); + + printk(KERN_INFO "Registering G5 CPU frequency driver\n"); + printk(KERN_INFO "Low: %d Mhz, High: %d Mhz, Cur: %d MHz\n", + g5_cpu_freqs[1].frequency/1000, + g5_cpu_freqs[0].frequency/1000, + g5_cpu_freqs[g5_pmode_cur].frequency/1000); + + rc = cpufreq_register_driver(&g5_cpufreq_driver); + + /* We keep the CPU node on hold... hopefully, Apple G5 don't have + * hotplug CPU with a dynamic device-tree ... + */ + return rc; + + bail_noprops: + of_node_put(cpunode); + + return rc; +} + +module_init(g5_cpufreq_init); + + +MODULE_LICENSE("GPL"); diff --git a/arch/powerpc/platforms/powermac/setup.c b/arch/powerpc/platforms/powermac/setup.c index 80b58c1ec41..7acb0546671 100644 --- a/arch/powerpc/platforms/powermac/setup.c +++ b/arch/powerpc/platforms/powermac/setup.c @@ -193,18 +193,6 @@ static void pmac_show_cpuinfo(struct seq_file *m) pmac_newworld ? "NewWorld" : "OldWorld"); } -static void pmac_show_percpuinfo(struct seq_file *m, int i) -{ -#ifdef CONFIG_CPU_FREQ_PMAC - extern unsigned int pmac_get_one_cpufreq(int i); - unsigned int freq = pmac_get_one_cpufreq(i); - if (freq != 0) { - seq_printf(m, "clock\t\t: %dMHz\n", freq/1000); - return; - } -#endif /* CONFIG_CPU_FREQ_PMAC */ -} - #ifndef CONFIG_ADB_CUDA int find_via_cuda(void) { @@ -767,7 +755,6 @@ struct machdep_calls __initdata pmac_md = { .setup_arch = pmac_setup_arch, .init_early = pmac_init_early, .show_cpuinfo = pmac_show_cpuinfo, - .show_percpuinfo = pmac_show_percpuinfo, .init_IRQ = pmac_pic_init, .get_irq = mpic_get_irq, /* changed later */ .pcibios_fixup = pmac_pcibios_fixup, diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c index 513e2723149..fcc50bfd43f 100644 --- a/arch/powerpc/platforms/pseries/iommu.c +++ b/arch/powerpc/platforms/pseries/iommu.c @@ -37,7 +37,6 @@ #include <asm/io.h> #include <asm/prom.h> #include <asm/rtas.h> -#include <asm/ppcdebug.h> #include <asm/iommu.h> #include <asm/pci-bridge.h> #include <asm/machdep.h> @@ -47,6 +46,7 @@ #include <asm/firmware.h> #include <asm/tce.h> #include <asm/ppc-pci.h> +#include <asm/udbg.h> #include "plpar_wrappers.h" diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c index ab0c6dd6ec9..a50e5f3f396 100644 --- a/arch/powerpc/platforms/pseries/lpar.c +++ b/arch/powerpc/platforms/pseries/lpar.c @@ -31,13 +31,14 @@ #include <asm/machdep.h> #include <asm/abs_addr.h> #include <asm/mmu_context.h> -#include <asm/ppcdebug.h> #include <asm/iommu.h> #include <asm/tlbflush.h> #include <asm/tlb.h> #include <asm/prom.h> #include <asm/abs_addr.h> #include <asm/cputable.h> +#include <asm/udbg.h> +#include <asm/smp.h> #include "plpar_wrappers.h" diff --git a/arch/powerpc/platforms/pseries/plpar_wrappers.h b/arch/powerpc/platforms/pseries/plpar_wrappers.h index 382f8c5b0e7..3bd1b3e0600 100644 --- a/arch/powerpc/platforms/pseries/plpar_wrappers.h +++ b/arch/powerpc/platforms/pseries/plpar_wrappers.h @@ -107,14 +107,4 @@ static inline long plpar_put_term_char(unsigned long termno, unsigned long len, lbuf[1]); } -static inline long plpar_set_xdabr(unsigned long address, unsigned long flags) -{ - return plpar_hcall_norets(H_SET_XDABR, address, flags); -} - -static inline long plpar_set_dabr(unsigned long val) -{ - return plpar_hcall_norets(H_SET_DABR, val); -} - #endif /* _PSERIES_PLPAR_WRAPPERS_H */ diff --git a/arch/powerpc/platforms/pseries/ras.c b/arch/powerpc/platforms/pseries/ras.c index 6562ff4b0a8..fbd214d68b0 100644 --- a/arch/powerpc/platforms/pseries/ras.c +++ b/arch/powerpc/platforms/pseries/ras.c @@ -48,7 +48,7 @@ #include <asm/ptrace.h> #include <asm/machdep.h> #include <asm/rtas.h> -#include <asm/ppcdebug.h> +#include <asm/udbg.h> static unsigned char ras_log_buf[RTAS_ERROR_LOG_MAX]; static DEFINE_SPINLOCK(ras_log_buf_lock); diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c index 65bee939eec..e78c3936884 100644 --- a/arch/powerpc/platforms/pseries/setup.c +++ b/arch/powerpc/platforms/pseries/setup.c @@ -65,6 +65,7 @@ #include <asm/ppc-pci.h> #include <asm/i8259.h> #include <asm/udbg.h> +#include <asm/smp.h> #include "plpar_wrappers.h" @@ -353,14 +354,15 @@ static void pSeries_mach_cpu_die(void) static int pseries_set_dabr(unsigned long dabr) { - if (firmware_has_feature(FW_FEATURE_XDABR)) { - /* We want to catch accesses from kernel and userspace */ - return plpar_set_xdabr(dabr, H_DABRX_KERNEL | H_DABRX_USER); - } - - return plpar_set_dabr(dabr); + return plpar_hcall_norets(H_SET_DABR, dabr); } +static int pseries_set_xdabr(unsigned long dabr) +{ + /* We want to catch accesses from kernel and userspace */ + return plpar_hcall_norets(H_SET_XDABR, dabr, + H_DABRX_KERNEL | H_DABRX_USER); +} /* * Early initialization. Relocation is on but do not reference unbolted pages @@ -396,8 +398,10 @@ static void __init pSeries_init_early(void) DBG("Hello World !\n"); } - if (firmware_has_feature(FW_FEATURE_XDABR | FW_FEATURE_DABR)) + if (firmware_has_feature(FW_FEATURE_DABR)) ppc_md.set_dabr = pseries_set_dabr; + else if (firmware_has_feature(FW_FEATURE_XDABR)) + ppc_md.set_dabr = pseries_set_xdabr; iommu_init_early_pSeries(); diff --git a/arch/powerpc/sysdev/i8259.c b/arch/powerpc/sysdev/i8259.c index 90bce6e0c19..b7ac32fdd77 100644 --- a/arch/powerpc/sysdev/i8259.c +++ b/arch/powerpc/sysdev/i8259.c @@ -207,6 +207,9 @@ void __init i8259_init(unsigned long intack_addr, int offset) spin_unlock_irqrestore(&i8259_lock, flags); + for (i = 0; i < NUM_ISA_INTERRUPTS; ++i) + irq_desc[offset + i].handler = &i8259_pic; + /* reserve our resources */ setup_irq(offset + 2, &i8259_irqaction); request_resource(&ioport_resource, &pic1_iores); @@ -216,6 +219,4 @@ void __init i8259_init(unsigned long intack_addr, int offset) if (intack_addr != 0) pci_intack = ioremap(intack_addr, 1); - for (i = 0; i < NUM_ISA_INTERRUPTS; ++i) - irq_desc[offset + i].handler = &i8259_pic; } diff --git a/arch/powerpc/sysdev/u3_iommu.c b/arch/powerpc/sysdev/u3_iommu.c index 607722178c1..543d6590981 100644 --- a/arch/powerpc/sysdev/u3_iommu.c +++ b/arch/powerpc/sysdev/u3_iommu.c @@ -37,7 +37,6 @@ #include <linux/vmalloc.h> #include <asm/io.h> #include <asm/prom.h> -#include <asm/ppcdebug.h> #include <asm/iommu.h> #include <asm/pci-bridge.h> #include <asm/machdep.h> diff --git a/arch/ppc/kernel/misc.S b/arch/ppc/kernel/misc.S index 3056ede2424..ae6af29938a 100644 --- a/arch/ppc/kernel/misc.S +++ b/arch/ppc/kernel/misc.S @@ -25,6 +25,11 @@ #include <asm/thread_info.h> #include <asm/asm-offsets.h> +#ifdef CONFIG_8xx +#define ISYNC_8xx isync +#else +#define ISYNC_8xx +#endif .text .align 5 @@ -800,8 +805,18 @@ _GLOBAL(_insb) subi r4,r4,1 blelr- 00: lbz r5,0(r3) - eieio - stbu r5,1(r4) +01: eieio +02: stbu r5,1(r4) + ISYNC_8xx + .section .fixup,"ax" +03: blr + .text + .section __ex_table, "a" + .align 2 + .long 00b, 03b + .long 01b, 03b + .long 02b, 03b + .text bdnz 00b blr @@ -811,8 +826,18 @@ _GLOBAL(_outsb) subi r4,r4,1 blelr- 00: lbzu r5,1(r4) - stb r5,0(r3) - eieio +01: stb r5,0(r3) +02: eieio + ISYNC_8xx + .section .fixup,"ax" +03: blr + .text + .section __ex_table, "a" + .align 2 + .long 00b, 03b + .long 01b, 03b + .long 02b, 03b + .text bdnz 00b blr @@ -822,8 +847,18 @@ _GLOBAL(_insw) subi r4,r4,2 blelr- 00: lhbrx r5,0,r3 - eieio - sthu r5,2(r4) +01: eieio +02: sthu r5,2(r4) + ISYNC_8xx + .section .fixup,"ax" +03: blr + .text + .section __ex_table, "a" + .align 2 + .long 00b, 03b + .long 01b, 03b + .long 02b, 03b + .text bdnz 00b blr @@ -833,8 +868,18 @@ _GLOBAL(_outsw) subi r4,r4,2 blelr- 00: lhzu r5,2(r4) - eieio - sthbrx r5,0,r3 +01: eieio +02: sthbrx r5,0,r3 + ISYNC_8xx + .section .fixup,"ax" +03: blr + .text + .section __ex_table, "a" + .align 2 + .long 00b, 03b + .long 01b, 03b + .long 02b, 03b + .text bdnz 00b blr @@ -844,8 +889,18 @@ _GLOBAL(_insl) subi r4,r4,4 blelr- 00: lwbrx r5,0,r3 - eieio - stwu r5,4(r4) +01: eieio +02: stwu r5,4(r4) + ISYNC_8xx + .section .fixup,"ax" +03: blr + .text + .section __ex_table, "a" + .align 2 + .long 00b, 03b + .long 01b, 03b + .long 02b, 03b + .text bdnz 00b blr @@ -855,8 +910,18 @@ _GLOBAL(_outsl) subi r4,r4,4 blelr- 00: lwzu r5,4(r4) - stwbrx r5,0,r3 - eieio +01: stwbrx r5,0,r3 +02: eieio + ISYNC_8xx + .section .fixup,"ax" +03: blr + .text + .section __ex_table, "a" + .align 2 + .long 00b, 03b + .long 01b, 03b + .long 02b, 03b + .text bdnz 00b blr @@ -867,8 +932,18 @@ _GLOBAL(_insw_ns) subi r4,r4,2 blelr- 00: lhz r5,0(r3) - eieio - sthu r5,2(r4) +01: eieio +02: sthu r5,2(r4) + ISYNC_8xx + .section .fixup,"ax" +03: blr + .text + .section __ex_table, "a" + .align 2 + .long 00b, 03b + .long 01b, 03b + .long 02b, 03b + .text bdnz 00b blr @@ -879,8 +954,18 @@ _GLOBAL(_outsw_ns) subi r4,r4,2 blelr- 00: lhzu r5,2(r4) - sth r5,0(r3) - eieio +01: sth r5,0(r3) +02: eieio + ISYNC_8xx + .section .fixup,"ax" +03: blr + .text + .section __ex_table, "a" + .align 2 + .long 00b, 03b + .long 01b, 03b + .long 02b, 03b + .text bdnz 00b blr @@ -891,8 +976,18 @@ _GLOBAL(_insl_ns) subi r4,r4,4 blelr- 00: lwz r5,0(r3) - eieio - stwu r5,4(r4) +01: eieio +02: stwu r5,4(r4) + ISYNC_8xx + .section .fixup,"ax" +03: blr + .text + .section __ex_table, "a" + .align 2 + .long 00b, 03b + .long 01b, 03b + .long 02b, 03b + .text bdnz 00b blr @@ -903,8 +998,18 @@ _GLOBAL(_outsl_ns) subi r4,r4,4 blelr- 00: lwzu r5,4(r4) - stw r5,0(r3) - eieio +01: stw r5,0(r3) +02: eieio + ISYNC_8xx + .section .fixup,"ax" +03: blr + .text + .section __ex_table, "a" + .align 2 + .long 00b, 03b + .long 01b, 03b + .long 02b, 03b + .text bdnz 00b blr diff --git a/arch/ppc/kernel/traps.c b/arch/ppc/kernel/traps.c index 16adde6b429..9dbc4d28fa2 100644 --- a/arch/ppc/kernel/traps.c +++ b/arch/ppc/kernel/traps.c @@ -49,7 +49,7 @@ extern int xmon_sstep(struct pt_regs *regs); extern int xmon_iabr_match(struct pt_regs *regs); extern int xmon_dabr_match(struct pt_regs *regs); -void (*debugger)(struct pt_regs *regs) = xmon; +int (*debugger)(struct pt_regs *regs) = xmon; int (*debugger_bpt)(struct pt_regs *regs) = xmon_bpt; int (*debugger_sstep)(struct pt_regs *regs) = xmon_sstep; int (*debugger_iabr_match)(struct pt_regs *regs) = xmon_iabr_match; @@ -57,7 +57,7 @@ int (*debugger_dabr_match)(struct pt_regs *regs) = xmon_dabr_match; void (*debugger_fault_handler)(struct pt_regs *regs); #else #ifdef CONFIG_KGDB -void (*debugger)(struct pt_regs *regs); +int (*debugger)(struct pt_regs *regs); int (*debugger_bpt)(struct pt_regs *regs); int (*debugger_sstep)(struct pt_regs *regs); int (*debugger_iabr_match)(struct pt_regs *regs); @@ -159,7 +159,7 @@ void _exception(int signr, struct pt_regs *regs, int code, unsigned long addr) */ static inline int check_io_access(struct pt_regs *regs) { -#ifdef CONFIG_PPC_PMAC +#if defined CONFIG_PPC_PMAC || defined CONFIG_8xx unsigned long msr = regs->msr; const struct exception_table_entry *entry; unsigned int *nip = (unsigned int *)regs->nip; @@ -178,7 +178,11 @@ static inline int check_io_access(struct pt_regs *regs) nip -= 2; else if (*nip == 0x4c00012c) /* isync */ --nip; - if (*nip == 0x7c0004ac || (*nip >> 26) == 3) { + /* eieio from I/O string functions */ + else if ((*nip) == 0x7c0006ac || *(nip+1) == 0x7c0006ac) + nip += 2; + if (*nip == 0x7c0004ac || (*nip >> 26) == 3 || + (*(nip+1) >> 26) == 3) { /* sync or twi */ unsigned int rb; diff --git a/arch/ppc/syslib/m8xx_wdt.c b/arch/ppc/syslib/m8xx_wdt.c index c5ac5ce5d7d..a21632d37e5 100644 --- a/arch/ppc/syslib/m8xx_wdt.c +++ b/arch/ppc/syslib/m8xx_wdt.c @@ -14,6 +14,7 @@ #include <linux/irq.h> #include <linux/kernel.h> #include <linux/sched.h> +#include <asm/io.h> #include <asm/8xx_immap.h> #include <syslib/m8xx_wdt.h> @@ -29,8 +30,8 @@ void m8xx_wdt_reset(void) { volatile immap_t *imap = (volatile immap_t *)IMAP_ADDR; - out_be16(imap->im_siu_conf.sc_swsr, 0x556c); /* write magic1 */ - out_be16(imap->im_siu_conf.sc_swsr, 0xaa39); /* write magic2 */ + out_be16(&imap->im_siu_conf.sc_swsr, 0x556c); /* write magic1 */ + out_be16(&imap->im_siu_conf.sc_swsr, 0xaa39); /* write magic2 */ } static irqreturn_t m8xx_wdt_interrupt(int irq, void *dev, struct pt_regs *regs) @@ -39,7 +40,7 @@ static irqreturn_t m8xx_wdt_interrupt(int irq, void *dev, struct pt_regs *regs) m8xx_wdt_reset(); - out_be16(imap->im_sit.sit_piscr, in_be16(imap->im_sit.sit_piscr | PISCR_PS)); /* clear irq */ + out_be16(&imap->im_sit.sit_piscr, in_be16(&imap->im_sit.sit_piscr) | PISCR_PS); /* clear irq */ return IRQ_HANDLED; } @@ -51,7 +52,7 @@ void __init m8xx_wdt_handler_install(bd_t * binfo) u32 sypcr; u32 pitrtclk; - sypcr = in_be32(imap->im_siu_conf.sc_sypcr); + sypcr = in_be32(&imap->im_siu_conf.sc_sypcr); if (!(sypcr & 0x04)) { printk(KERN_NOTICE "m8xx_wdt: wdt disabled (SYPCR: 0x%08X)\n", @@ -87,9 +88,9 @@ void __init m8xx_wdt_handler_install(bd_t * binfo) else pitc = pitrtclk * wdt_timeout / binfo->bi_intfreq / 2; - out_be32(imap->im_sit.sit_pitc, pitc << 16); + out_be32(&imap->im_sit.sit_pitc, pitc << 16); - out_be16(imap->im_sit.sit_piscr, (mk_int_int_mask(PIT_INTERRUPT) << 8) | PISCR_PIE | PISCR_PTE); + out_be16(&imap->im_sit.sit_piscr, (mk_int_int_mask(PIT_INTERRUPT) << 8) | PISCR_PIE | PISCR_PTE); if (setup_irq(PIT_INTERRUPT, &m8xx_wdt_irqaction)) panic("m8xx_wdt: error setting up the watchdog irq!"); diff --git a/arch/ppc/syslib/prom.c b/arch/ppc/syslib/prom.c index 1b9aa0d6a92..03b1fc9b950 100644 --- a/arch/ppc/syslib/prom.c +++ b/arch/ppc/syslib/prom.c @@ -1165,7 +1165,7 @@ get_property(struct device_node *np, const char *name, int *lenp) /* * Add a property to a node */ -void +int prom_add_property(struct device_node* np, struct property* prop) { struct property **next = &np->properties; @@ -1174,6 +1174,8 @@ prom_add_property(struct device_node* np, struct property* prop) while (*next) next = &(*next)->next; *next = prop; + + return 0; } /* I quickly hacked that one, check against spec ! */ diff --git a/arch/ppc/xmon/xmon.c b/arch/ppc/xmon/xmon.c index 66bfaa3211a..2b483b4f160 100644 --- a/arch/ppc/xmon/xmon.c +++ b/arch/ppc/xmon/xmon.c @@ -220,8 +220,7 @@ static void get_tb(unsigned *p) p[1] = lo; } -void -xmon(struct pt_regs *excp) +int xmon(struct pt_regs *excp) { struct pt_regs regs; int msr, cmd; @@ -290,6 +289,8 @@ xmon(struct pt_regs *excp) #endif /* CONFIG_SMP */ set_msr(msr); /* restore interrupt enable */ get_tb(start_tb[smp_processor_id()]); + + return cmd != 'X'; } irqreturn_t diff --git a/arch/ppc64/Kconfig b/arch/ppc64/Kconfig index 2130cc31595..29552348e58 100644 --- a/arch/ppc64/Kconfig +++ b/arch/ppc64/Kconfig @@ -56,6 +56,7 @@ config PPC_STD_MMU # max order + 1 config FORCE_MAX_ZONEORDER int + default "9" if PPC_64K_PAGES default "13" source "init/Kconfig" @@ -173,6 +174,16 @@ config KEXEC support. As of this writing the exact hardware interface is strongly in flux, so no good recommendation can be made. +source "drivers/cpufreq/Kconfig" + +config CPU_FREQ_PMAC64 + bool "Support for some Apple G5s" + depends on CPU_FREQ && PMAC_SMU && PPC64 + select CPU_FREQ_TABLE + help + This adds support for frequency switching on Apple iMac G5, + and some of the more recent desktop G5 machines as well. + config IBMVIO depends on PPC_PSERIES || PPC_ISERIES bool diff --git a/arch/ppc64/Kconfig.debug b/arch/ppc64/Kconfig.debug index f16a5030527..b258c9314a1 100644 --- a/arch/ppc64/Kconfig.debug +++ b/arch/ppc64/Kconfig.debug @@ -55,10 +55,6 @@ config XMON_DEFAULT xmon is normally disabled unless booted with 'xmon=on'. Use 'xmon=off' to disable xmon init during runtime. -config PPCDBG - bool "Include PPCDBG realtime debugging" - depends on DEBUG_KERNEL - config IRQSTACKS bool "Use separate kernel stacks when processing interrupts" help diff --git a/arch/ppc64/kernel/idle.c b/arch/ppc64/kernel/idle.c index 8abd2ad9283..8fec2746980 100644 --- a/arch/ppc64/kernel/idle.c +++ b/arch/ppc64/kernel/idle.c @@ -28,6 +28,7 @@ #include <asm/time.h> #include <asm/systemcfg.h> #include <asm/machdep.h> +#include <asm/smp.h> extern void power4_idle(void); diff --git a/arch/ppc64/kernel/machine_kexec.c b/arch/ppc64/kernel/machine_kexec.c index ff8679f260f..07ea03598c0 100644 --- a/arch/ppc64/kernel/machine_kexec.c +++ b/arch/ppc64/kernel/machine_kexec.c @@ -24,6 +24,7 @@ #include <asm/mmu.h> #include <asm/sections.h> /* _end */ #include <asm/prom.h> +#include <asm/smp.h> #define HASH_GROUP_SIZE 0x80 /* size of each hash group, asm/mmu.h */ diff --git a/arch/ppc64/kernel/misc.S b/arch/ppc64/kernel/misc.S index 077507ffbab..914632ec587 100644 --- a/arch/ppc64/kernel/misc.S +++ b/arch/ppc64/kernel/misc.S @@ -560,7 +560,7 @@ _GLOBAL(real_readb) isync blr - /* +/* * Do an IO access in real mode */ _GLOBAL(real_writeb) @@ -593,6 +593,76 @@ _GLOBAL(real_writeb) #endif /* defined(CONFIG_PPC_PMAC) || defined(CONFIG_PPC_MAPLE) */ /* + * SCOM access functions for 970 (FX only for now) + * + * unsigned long scom970_read(unsigned int address); + * void scom970_write(unsigned int address, unsigned long value); + * + * The address passed in is the 24 bits register address. This code + * is 970 specific and will not check the status bits, so you should + * know what you are doing. + */ +_GLOBAL(scom970_read) + /* interrupts off */ + mfmsr r4 + ori r0,r4,MSR_EE + xori r0,r0,MSR_EE + mtmsrd r0,1 + + /* rotate 24 bits SCOM address 8 bits left and mask out it's low 8 bits + * (including parity). On current CPUs they must be 0'd, + * and finally or in RW bit + */ + rlwinm r3,r3,8,0,15 + ori r3,r3,0x8000 + + /* do the actual scom read */ + sync + mtspr SPRN_SCOMC,r3 + isync + mfspr r3,SPRN_SCOMD + isync + mfspr r0,SPRN_SCOMC + isync + + /* XXX: fixup result on some buggy 970's (ouch ! we lost a bit, bah + * that's the best we can do). Not implemented yet as we don't use + * the scom on any of the bogus CPUs yet, but may have to be done + * ultimately + */ + + /* restore interrupts */ + mtmsrd r4,1 + blr + + +_GLOBAL(scom970_write) + /* interrupts off */ + mfmsr r5 + ori r0,r5,MSR_EE + xori r0,r0,MSR_EE + mtmsrd r0,1 + + /* rotate 24 bits SCOM address 8 bits left and mask out it's low 8 bits + * (including parity). On current CPUs they must be 0'd. + */ + + rlwinm r3,r3,8,0,15 + + sync + mtspr SPRN_SCOMD,r4 /* write data */ + isync + mtspr SPRN_SCOMC,r3 /* write command */ + isync + mfspr 3,SPRN_SCOMC + isync + + /* restore interrupts */ + mtmsrd r5,1 + blr + + +/* * Create a kernel thread * kernel_thread(fn, arg, flags) */ diff --git a/arch/ppc64/kernel/pci.c b/arch/ppc64/kernel/pci.c index 3d2106b022a..30247ff7497 100644 --- a/arch/ppc64/kernel/pci.c +++ b/arch/ppc64/kernel/pci.c @@ -295,8 +295,8 @@ static void pci_parse_of_addrs(struct device_node *node, struct pci_dev *dev) } } -static struct pci_dev *of_create_pci_dev(struct device_node *node, - struct pci_bus *bus, int devfn) +struct pci_dev *of_create_pci_dev(struct device_node *node, + struct pci_bus *bus, int devfn) { struct pci_dev *dev; const char *type; @@ -354,10 +354,9 @@ static struct pci_dev *of_create_pci_dev(struct device_node *node, return dev; } +EXPORT_SYMBOL(of_create_pci_dev); -static void of_scan_pci_bridge(struct device_node *node, struct pci_dev *dev); - -static void __devinit of_scan_bus(struct device_node *node, +void __devinit of_scan_bus(struct device_node *node, struct pci_bus *bus) { struct device_node *child = NULL; @@ -381,9 +380,10 @@ static void __devinit of_scan_bus(struct device_node *node, do_bus_setup(bus); } +EXPORT_SYMBOL(of_scan_bus); -static void __devinit of_scan_pci_bridge(struct device_node *node, - struct pci_dev *dev) +void __devinit of_scan_pci_bridge(struct device_node *node, + struct pci_dev *dev) { struct pci_bus *bus; u32 *busrange, *ranges; @@ -464,9 +464,10 @@ static void __devinit of_scan_pci_bridge(struct device_node *node, else if (mode == PCI_PROBE_NORMAL) pci_scan_child_bus(bus); } +EXPORT_SYMBOL(of_scan_pci_bridge); #endif /* CONFIG_PPC_MULTIPLATFORM */ -static void __devinit scan_phb(struct pci_controller *hose) +void __devinit scan_phb(struct pci_controller *hose) { struct pci_bus *bus; struct device_node *node = hose->arch_data; diff --git a/arch/ppc64/kernel/prom.c b/arch/ppc64/kernel/prom.c index dece31e58bc..3402fbee62c 100644 --- a/arch/ppc64/kernel/prom.c +++ b/arch/ppc64/kernel/prom.c @@ -31,6 +31,7 @@ #include <linux/initrd.h> #include <linux/bitops.h> #include <linux/module.h> +#include <linux/module.h> #include <asm/prom.h> #include <asm/rtas.h> @@ -46,7 +47,6 @@ #include <asm/pgtable.h> #include <asm/pci.h> #include <asm/iommu.h> -#include <asm/ppcdebug.h> #include <asm/btext.h> #include <asm/sections.h> #include <asm/machdep.h> @@ -1866,17 +1866,32 @@ get_property(struct device_node *np, const char *name, int *lenp) EXPORT_SYMBOL(get_property); /* - * Add a property to a node + * Add a property to a node. */ -void +int prom_add_property(struct device_node* np, struct property* prop) { - struct property **next = &np->properties; + struct property **next; prop->next = NULL; - while (*next) + write_lock(&devtree_lock); + next = &np->properties; + while (*next) { + if (strcmp(prop->name, (*next)->name) == 0) { + /* duplicate ! don't insert it */ + write_unlock(&devtree_lock); + return -1; + } next = &(*next)->next; + } *next = prop; + write_unlock(&devtree_lock); + + /* try to add to proc as well if it was initialized */ + if (np->pde) + proc_device_tree_add_prop(np->pde, prop); + + return 0; } #if 0 diff --git a/arch/ppc64/kernel/prom_init.c b/arch/ppc64/kernel/prom_init.c index a4bbca6dbb8..e4c880dab99 100644 --- a/arch/ppc64/kernel/prom_init.c +++ b/arch/ppc64/kernel/prom_init.c @@ -44,7 +44,6 @@ #include <asm/pgtable.h> #include <asm/pci.h> #include <asm/iommu.h> -#include <asm/ppcdebug.h> #include <asm/btext.h> #include <asm/sections.h> #include <asm/machdep.h> @@ -1825,7 +1824,7 @@ static void __init fixup_device_tree(void) if (prom_getprop(u3, "device-rev", &u3_rev, sizeof(u3_rev)) == PROM_ERROR) return; - if (u3_rev != 0x35 && u3_rev != 0x37) + if (u3_rev < 0x35 || u3_rev > 0x39) return; /* does it need fixup ? */ if (prom_getproplen(i2c, "interrupts") > 0) diff --git a/arch/ppc64/kernel/rtas_pci.c b/arch/ppc64/kernel/rtas_pci.c index 3ad15c90fbb..3c3f19192fc 100644 --- a/arch/ppc64/kernel/rtas_pci.c +++ b/arch/ppc64/kernel/rtas_pci.c @@ -440,7 +440,6 @@ struct pci_controller * __devinit init_phb_dynamic(struct device_node *dn) struct device_node *root = of_find_node_by_path("/"); unsigned int root_size_cells = 0; struct pci_controller *phb; - struct pci_bus *bus; int primary; root_size_cells = prom_n_size_cells(root); @@ -456,10 +455,7 @@ struct pci_controller * __devinit init_phb_dynamic(struct device_node *dn) of_node_put(root); pci_devs_phb_init_dynamic(phb); - phb->last_busno = 0xff; - bus = pci_scan_bus(phb->first_busno, phb->ops, phb->arch_data); - phb->bus = bus; - phb->last_busno = bus->subordinate; + scan_phb(phb); return phb; } diff --git a/arch/ppc64/kernel/udbg.c b/arch/ppc64/kernel/udbg.c index d49c3613c8e..0d878e72fc4 100644 --- a/arch/ppc64/kernel/udbg.c +++ b/arch/ppc64/kernel/udbg.c @@ -10,12 +10,10 @@ */ #include <stdarg.h> -#define WANT_PPCDBG_TAB /* Only defined here */ #include <linux/config.h> #include <linux/types.h> #include <linux/sched.h> #include <linux/console.h> -#include <asm/ppcdebug.h> #include <asm/processor.h> void (*udbg_putc)(unsigned char c); @@ -89,59 +87,6 @@ void udbg_printf(const char *fmt, ...) va_end(args); } -/* PPCDBG stuff */ - -u64 ppc64_debug_switch; - -/* Special print used by PPCDBG() macro */ -void udbg_ppcdbg(unsigned long debug_flags, const char *fmt, ...) -{ - unsigned long active_debugs = debug_flags & ppc64_debug_switch; - - if (active_debugs) { - va_list ap; - unsigned char buf[UDBG_BUFSIZE]; - unsigned long i, len = 0; - - for (i=0; i < PPCDBG_NUM_FLAGS; i++) { - if (((1U << i) & active_debugs) && - trace_names[i]) { - len += strlen(trace_names[i]); - udbg_puts(trace_names[i]); - break; - } - } - - snprintf(buf, UDBG_BUFSIZE, " [%s]: ", current->comm); - len += strlen(buf); - udbg_puts(buf); - - while (len < 18) { - udbg_puts(" "); - len++; - } - - va_start(ap, fmt); - vsnprintf(buf, UDBG_BUFSIZE, fmt, ap); - udbg_puts(buf); - va_end(ap); - } -} - -unsigned long udbg_ifdebug(unsigned long flags) -{ - return (flags & ppc64_debug_switch); -} - -/* - * Initialize the PPCDBG state. Called before relocation has been enabled. - */ -void __init ppcdbg_initialize(void) -{ - ppc64_debug_switch = PPC_DEBUG_DEFAULT; /* | PPCDBG_BUSWALK | */ - /* PPCDBG_PHBINIT | PPCDBG_MM | PPCDBG_MMINIT | PPCDBG_TCEINIT | PPCDBG_TCE */; -} - /* * Early boot console based on udbg */ |