diff options
335 files changed, 3971 insertions, 12745 deletions
diff --git a/Documentation/powerpc/booting-without-of.txt b/Documentation/powerpc/booting-without-of.txt index ee551c6ea23..217e51768b8 100644 --- a/Documentation/powerpc/booting-without-of.txt +++ b/Documentation/powerpc/booting-without-of.txt @@ -719,6 +719,11 @@ address which can extend beyond that limit. - model : this is your board name/model - #address-cells : address representation for "root" devices - #size-cells: the size representation for "root" devices + - device_type : This property shouldn't be necessary. However, if + you decide to create a device_type for your root node, make sure it + is _not_ "chrp" unless your platform is a pSeries or PAPR compliant + one for 64-bit, or a CHRP-type machine for 32-bit as this will + matched by the kernel this way. Additionally, some recommended properties are: diff --git a/arch/mips/kernel/irixsig.c b/arch/mips/kernel/irixsig.c index 08273a2a501..8150f071f80 100644 --- a/arch/mips/kernel/irixsig.c +++ b/arch/mips/kernel/irixsig.c @@ -603,7 +603,7 @@ repeat: /* move to end of parent's list to avoid starvation */ write_lock_irq(&tasklist_lock); remove_parent(p); - add_parent(p, p->parent); + add_parent(p); write_unlock_irq(&tasklist_lock); retval = ru ? getrusage(p, RUSAGE_BOTH, ru) : 0; if (retval) @@ -643,7 +643,7 @@ repeat: write_lock_irq(&tasklist_lock); remove_parent(p); p->parent = p->real_parent; - add_parent(p, p->parent); + add_parent(p); do_notify_parent(p, SIGCHLD); write_unlock_irq(&tasklist_lock); } else diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index a433b7126d3..2cdc35ce804 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -491,7 +491,7 @@ config PPC601_SYNC_FIX If in doubt, say Y here. config TAU - bool "Thermal Management Support" + bool "On-chip CPU temperature sensor support" depends on 6xx help G3 and G4 processors have an on-chip temperature sensor called the @@ -500,7 +500,7 @@ config TAU on-die temperature in /proc/cpuinfo if the cpu supports it. Unfortunately, on some chip revisions, this sensor is very inaccurate - and in some cases, does not work at all, so don't assume the cpu + and in many cases, does not work at all, so don't assume the cpu temp is actually what /proc/cpuinfo says it is. config TAU_INT diff --git a/arch/powerpc/Kconfig.debug b/arch/powerpc/Kconfig.debug index 9254806f703..8d48e9e7162 100644 --- a/arch/powerpc/Kconfig.debug +++ b/arch/powerpc/Kconfig.debug @@ -110,11 +110,6 @@ config SERIAL_TEXT_DEBUG depends on 4xx || LOPEC || MV64X60 || PPLUS || PRPMC800 || \ PPC_GEN550 || PPC_MPC52xx -config PPC_OCP - bool - depends on IBM_OCP || XILINX_OCP - default y - choice prompt "Early debugging (dangerous)" bool diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile index 829e017b8a5..6ec84d37a33 100644 --- a/arch/powerpc/Makefile +++ b/arch/powerpc/Makefile @@ -129,13 +129,8 @@ core-y += arch/powerpc/kernel/ \ arch/powerpc/lib/ \ arch/powerpc/sysdev/ \ arch/powerpc/platforms/ -core-$(CONFIG_PPC32) += arch/ppc/kernel/ -core-$(CONFIG_MATH_EMULATION) += arch/ppc/math-emu/ +core-$(CONFIG_MATH_EMULATION) += arch/powerpc/math-emu/ core-$(CONFIG_XMON) += arch/powerpc/xmon/ -core-$(CONFIG_APUS) += arch/ppc/amiga/ -drivers-$(CONFIG_8xx) += arch/ppc/8xx_io/ -drivers-$(CONFIG_4xx) += arch/ppc/4xx_io/ -drivers-$(CONFIG_CPM2) += arch/ppc/8260_io/ drivers-$(CONFIG_OPROFILE) += arch/powerpc/oprofile/ diff --git a/arch/powerpc/configs/cell_defconfig b/arch/powerpc/configs/cell_defconfig index 3c2acab6373..fe22e54ab2b 100644 --- a/arch/powerpc/configs/cell_defconfig +++ b/arch/powerpc/configs/cell_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.16-rc6 -# Wed Mar 15 16:19:48 2006 +# Linux kernel version: 2.6.16 +# Thu Mar 23 20:48:09 2006 # CONFIG_PPC64=y CONFIG_64BIT=y @@ -30,6 +30,7 @@ CONFIG_POWER4=y CONFIG_PPC_FPU=y CONFIG_ALTIVEC=y CONFIG_PPC_STD_MMU=y +CONFIG_VIRT_CPU_ACCOUNTING=y CONFIG_SMP=y CONFIG_NR_CPUS=4 @@ -51,7 +52,8 @@ CONFIG_SYSVIPC=y # CONFIG_BSD_PROCESS_ACCT is not set CONFIG_SYSCTL=y # CONFIG_AUDIT is not set -# CONFIG_IKCONFIG is not set +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y # CONFIG_CPUSETS is not set CONFIG_INITRAMFS_SOURCE="" CONFIG_CC_OPTIMIZE_FOR_SIZE=y @@ -85,7 +87,7 @@ CONFIG_MODULE_UNLOAD=y CONFIG_OBSOLETE_MODPARM=y # CONFIG_MODVERSIONS is not set # CONFIG_MODULE_SRCVERSION_ALL is not set -# CONFIG_KMOD is not set +CONFIG_KMOD=y CONFIG_STOP_MACHINE=y # @@ -130,7 +132,8 @@ CONFIG_CELL_IIC=y # # Cell Broadband Engine options # -CONFIG_SPU_FS=y +CONFIG_SPU_FS=m +CONFIG_SPUFS_MMAP=y # # Kernel options @@ -144,7 +147,7 @@ CONFIG_PREEMPT_NONE=y # CONFIG_PREEMPT is not set CONFIG_PREEMPT_BKL=y CONFIG_BINFMT_ELF=y -# CONFIG_BINFMT_MISC is not set +CONFIG_BINFMT_MISC=m CONFIG_FORCE_MAX_ZONEORDER=13 # CONFIG_IOMMU_VMERGE is not set CONFIG_KEXEC=y @@ -155,13 +158,16 @@ CONFIG_ARCH_SELECT_MEMORY_MODEL=y CONFIG_ARCH_FLATMEM_ENABLE=y CONFIG_ARCH_SPARSEMEM_ENABLE=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_MANUAL=y +CONFIG_SPARSEMEM=y +CONFIG_HAVE_MEMORY_PRESENT=y # CONFIG_SPARSEMEM_STATIC is not set +CONFIG_SPARSEMEM_EXTREME=y +# CONFIG_MEMORY_HOTPLUG is not set CONFIG_SPLIT_PTLOCK_CPUS=4 +CONFIG_MIGRATION=y # CONFIG_PPC_64K_PAGES is not set CONFIG_SCHED_SMT=y CONFIG_PROC_DEVICETREE=y @@ -232,6 +238,7 @@ CONFIG_TCP_CONG_BIC=y # CONFIG_IP_VS is not set CONFIG_IPV6=y # CONFIG_IPV6_PRIVACY is not set +# CONFIG_IPV6_ROUTER_PREF is not set CONFIG_INET6_AH=m CONFIG_INET6_ESP=m CONFIG_INET6_IPCOMP=m @@ -244,25 +251,7 @@ CONFIG_NETFILTER=y # Core Netfilter Configuration # # CONFIG_NETFILTER_NETLINK is not set -CONFIG_NETFILTER_XTABLES=m -CONFIG_NETFILTER_XT_TARGET_CLASSIFY=m -CONFIG_NETFILTER_XT_TARGET_MARK=m -CONFIG_NETFILTER_XT_TARGET_NFQUEUE=m -CONFIG_NETFILTER_XT_TARGET_NOTRACK=m -CONFIG_NETFILTER_XT_MATCH_COMMENT=m -CONFIG_NETFILTER_XT_MATCH_CONNTRACK=m -# CONFIG_NETFILTER_XT_MATCH_DCCP is not set -CONFIG_NETFILTER_XT_MATCH_HELPER=m -CONFIG_NETFILTER_XT_MATCH_LENGTH=m -CONFIG_NETFILTER_XT_MATCH_LIMIT=m -CONFIG_NETFILTER_XT_MATCH_MAC=m -CONFIG_NETFILTER_XT_MATCH_MARK=m -CONFIG_NETFILTER_XT_MATCH_PKTTYPE=m -CONFIG_NETFILTER_XT_MATCH_REALM=m -CONFIG_NETFILTER_XT_MATCH_SCTP=m -CONFIG_NETFILTER_XT_MATCH_STATE=m -CONFIG_NETFILTER_XT_MATCH_STRING=m -CONFIG_NETFILTER_XT_MATCH_TCPMSS=m +# CONFIG_NETFILTER_XTABLES is not set # # IP: Netfilter Configuration @@ -278,51 +267,13 @@ CONFIG_IP_NF_IRC=m CONFIG_IP_NF_TFTP=m CONFIG_IP_NF_AMANDA=m # CONFIG_IP_NF_PPTP is not set +# CONFIG_IP_NF_H323 is not set CONFIG_IP_NF_QUEUE=m -CONFIG_IP_NF_IPTABLES=m -CONFIG_IP_NF_MATCH_IPRANGE=m -CONFIG_IP_NF_MATCH_MULTIPORT=m -CONFIG_IP_NF_MATCH_TOS=m -CONFIG_IP_NF_MATCH_RECENT=m -CONFIG_IP_NF_MATCH_ECN=m -CONFIG_IP_NF_MATCH_DSCP=m -CONFIG_IP_NF_MATCH_AH_ESP=m -CONFIG_IP_NF_MATCH_TTL=m -CONFIG_IP_NF_MATCH_OWNER=m -CONFIG_IP_NF_MATCH_ADDRTYPE=m -CONFIG_IP_NF_MATCH_HASHLIMIT=m -CONFIG_IP_NF_MATCH_POLICY=m -CONFIG_IP_NF_FILTER=m -CONFIG_IP_NF_TARGET_REJECT=m -CONFIG_IP_NF_TARGET_LOG=m -CONFIG_IP_NF_TARGET_ULOG=m -CONFIG_IP_NF_TARGET_TCPMSS=m -CONFIG_IP_NF_NAT=m -CONFIG_IP_NF_NAT_NEEDED=y -CONFIG_IP_NF_TARGET_MASQUERADE=m -CONFIG_IP_NF_TARGET_REDIRECT=m -CONFIG_IP_NF_TARGET_NETMAP=m -CONFIG_IP_NF_TARGET_SAME=m -CONFIG_IP_NF_NAT_SNMP_BASIC=m -CONFIG_IP_NF_NAT_IRC=m -CONFIG_IP_NF_NAT_FTP=m -CONFIG_IP_NF_NAT_TFTP=m -CONFIG_IP_NF_NAT_AMANDA=m -CONFIG_IP_NF_MANGLE=m -CONFIG_IP_NF_TARGET_TOS=m -CONFIG_IP_NF_TARGET_ECN=m -CONFIG_IP_NF_TARGET_DSCP=m -CONFIG_IP_NF_TARGET_TTL=m -CONFIG_IP_NF_RAW=m -CONFIG_IP_NF_ARPTABLES=m -CONFIG_IP_NF_ARPFILTER=m -CONFIG_IP_NF_ARP_MANGLE=m # # IPv6: Netfilter Configuration (EXPERIMENTAL) # # CONFIG_IP6_NF_QUEUE is not set -# CONFIG_IP6_NF_IPTABLES is not set # # DCCP Configuration (EXPERIMENTAL) @@ -355,7 +306,6 @@ CONFIG_IP_NF_ARP_MANGLE=m # QoS and/or fair queueing # # CONFIG_NET_SCHED is not set -CONFIG_NET_CLS_ROUTE=y # # Network testing @@ -408,7 +358,7 @@ CONFIG_FW_LOADER=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=y +# CONFIG_BLK_DEV_NBD is not set # CONFIG_BLK_DEV_SX8 is not set CONFIG_BLK_DEV_RAM=y CONFIG_BLK_DEV_RAM_COUNT=16 @@ -484,7 +434,23 @@ CONFIG_IDEDMA_AUTO=y # # Multi-device support (RAID and LVM) # -# CONFIG_MD is not set +CONFIG_MD=y +CONFIG_BLK_DEV_MD=m +CONFIG_MD_LINEAR=m +CONFIG_MD_RAID0=m +CONFIG_MD_RAID1=m +# CONFIG_MD_RAID10 is not set +# CONFIG_MD_RAID5 is not set +# CONFIG_MD_RAID6 is not set +# CONFIG_MD_MULTIPATH is not set +# CONFIG_MD_FAULTY is not set +CONFIG_BLK_DEV_DM=m +CONFIG_DM_CRYPT=m +CONFIG_DM_SNAPSHOT=m +CONFIG_DM_MIRROR=m +CONFIG_DM_ZERO=m +CONFIG_DM_MULTIPATH=m +# CONFIG_DM_MULTIPATH_EMC is not set # # Fusion MPT device support @@ -548,7 +514,7 @@ CONFIG_MII=y # CONFIG_ACENIC is not set # CONFIG_DL2K is not set CONFIG_E1000=m -# CONFIG_E1000_NAPI is not set +CONFIG_E1000_NAPI=y # CONFIG_E1000_DISABLE_PACKET_SPLIT is not set # CONFIG_NS83820 is not set # CONFIG_HAMACHI is not set @@ -560,7 +526,7 @@ CONFIG_SKGE=m # CONFIG_SK98LIN is not set # CONFIG_TIGON3 is not set # CONFIG_BNX2 is not set -CONFIG_SPIDER_NET=y +CONFIG_SPIDER_NET=m # CONFIG_MV643XX_ETH is not set # @@ -678,6 +644,8 @@ CONFIG_SERIAL_CORE_CONSOLE=y # CONFIG_SERIAL_JSM is not set CONFIG_UNIX98_PTYS=y # CONFIG_LEGACY_PTYS is not set +CONFIG_HVC_DRIVER=y +CONFIG_HVC_RTAS=y # # IPMI @@ -694,14 +662,13 @@ CONFIG_WATCHDOG=y # Watchdog Device Drivers # # CONFIG_SOFT_WATCHDOG is not set -# CONFIG_WATCHDOG_RTAS is not set +CONFIG_WATCHDOG_RTAS=y # # PCI-based Watchdog Cards # # CONFIG_PCIPCWATCHDOG is not set # CONFIG_WDTPCI is not set -# CONFIG_RTC is not set CONFIG_GEN_RTC=y # CONFIG_GEN_RTC_X is not set # CONFIG_DTLK is not set @@ -833,6 +800,7 @@ CONFIG_DUMMY_CONSOLE=y # CONFIG_USB_ARCH_HAS_HCD=y CONFIG_USB_ARCH_HAS_OHCI=y +CONFIG_USB_ARCH_HAS_EHCI=y # CONFIG_USB is not set # @@ -852,7 +820,14 @@ CONFIG_USB_ARCH_HAS_OHCI=y # # InfiniBand support # -# CONFIG_INFINIBAND is not set +CONFIG_INFINIBAND=y +CONFIG_INFINIBAND_USER_MAD=m +CONFIG_INFINIBAND_USER_ACCESS=m +CONFIG_INFINIBAND_MTHCA=m +CONFIG_INFINIBAND_MTHCA_DEBUG=y +CONFIG_INFINIBAND_IPOIB=m +CONFIG_INFINIBAND_IPOIB_DEBUG=y +CONFIG_INFINIBAND_IPOIB_DEBUG_DATA=y # # EDAC - error detection and reporting (RAS) (EXPERIMENTAL) @@ -1037,10 +1012,6 @@ CONFIG_CRC32=y # CONFIG_LIBCRC32C is not set CONFIG_ZLIB_INFLATE=m CONFIG_ZLIB_DEFLATE=m -CONFIG_TEXTSEARCH=y -CONFIG_TEXTSEARCH_KMP=m -CONFIG_TEXTSEARCH_BM=m -CONFIG_TEXTSEARCH_FSM=m # # Instrumentation Support @@ -1058,7 +1029,7 @@ CONFIG_LOG_BUF_SHIFT=15 CONFIG_DETECT_SOFTLOCKUP=y # CONFIG_SCHEDSTATS is not set # CONFIG_DEBUG_SLAB is not set -# CONFIG_DEBUG_MUTEXES is not set +CONFIG_DEBUG_MUTEXES=y # CONFIG_DEBUG_SPINLOCK is not set CONFIG_DEBUG_SPINLOCK_SLEEP=y # CONFIG_DEBUG_KOBJECT is not set diff --git a/arch/powerpc/configs/mpc8540_ads_defconfig b/arch/powerpc/configs/mpc8540_ads_defconfig index 2a8290ee15c..7f0780f1aa3 100644 --- a/arch/powerpc/configs/mpc8540_ads_defconfig +++ b/arch/powerpc/configs/mpc8540_ads_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: -# Sat Jan 14 15:57:54 2006 +# Linux kernel version: 2.6.16 +# Mon Mar 27 23:37:36 2006 # # CONFIG_PPC64 is not set CONFIG_PPC32=y @@ -9,6 +9,7 @@ CONFIG_PPC_MERGE=y CONFIG_MMU=y CONFIG_GENERIC_HARDIRQS=y CONFIG_RWSEM_XCHGADD_ALGORITHM=y +CONFIG_GENERIC_HWEIGHT=y CONFIG_GENERIC_CALIBRATE_DELAY=y CONFIG_PPC=y CONFIG_EARLY_PRINTK=y @@ -18,6 +19,7 @@ CONFIG_ARCH_MAY_HAVE_PC_FDC=y CONFIG_PPC_OF=y CONFIG_PPC_UDBG_16550=y # CONFIG_GENERIC_TBSYNC is not set +CONFIG_DEFAULT_UIMAGE=y # # Processor support @@ -42,7 +44,6 @@ CONFIG_SPE=y # Code maturity level options # CONFIG_EXPERIMENTAL=y -CONFIG_CLEAN_COMPILE=y CONFIG_BROKEN_ON_SMP=y CONFIG_INIT_ENV_ARG_LIMIT=32 @@ -58,6 +59,7 @@ CONFIG_SYSVIPC=y CONFIG_SYSCTL=y # CONFIG_AUDIT is not set # CONFIG_IKCONFIG is not set +# CONFIG_RELAY is not set CONFIG_INITRAMFS_SOURCE="" # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set CONFIG_EMBEDDED=y @@ -72,10 +74,6 @@ CONFIG_BASE_FULL=y CONFIG_FUTEX=y CONFIG_EPOLL=y CONFIG_SHMEM=y -CONFIG_CC_ALIGN_FUNCTIONS=0 -CONFIG_CC_ALIGN_LABELS=0 -CONFIG_CC_ALIGN_LOOPS=0 -CONFIG_CC_ALIGN_JUMPS=0 CONFIG_SLAB=y # CONFIG_TINY_SHMEM is not set CONFIG_BASE_SMALL=0 @@ -90,6 +88,8 @@ CONFIG_BASE_SMALL=0 # Block layer # # CONFIG_LBD is not set +# CONFIG_BLK_DEV_IO_TRACE is not set +# CONFIG_LSF is not set # # IO Schedulers @@ -183,6 +183,7 @@ CONFIG_NET=y # # Networking options # +# CONFIG_NETDEBUG is not set CONFIG_PACKET=y # CONFIG_PACKET_MMAP is not set CONFIG_UNIX=y @@ -220,6 +221,11 @@ CONFIG_TCP_CONG_BIC=y # 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 # CONFIG_VLAN_8021Q is not set @@ -229,11 +235,6 @@ CONFIG_TCP_CONG_BIC=y # CONFIG_ATALK is not set # CONFIG_X25 is not set # CONFIG_LAPB is not set - -# -# TIPC Configuration (EXPERIMENTAL) -# -# CONFIG_TIPC is not set # CONFIG_NET_DIVERT is not set # CONFIG_ECONET is not set # CONFIG_WAN_ROUTER is not set @@ -487,6 +488,12 @@ CONFIG_GEN_RTC=y # CONFIG_I2C is not set # +# SPI support +# +# CONFIG_SPI is not set +# CONFIG_SPI_MASTER is not set + +# # Dallas's 1-wire bus # # CONFIG_W1 is not set @@ -496,6 +503,7 @@ CONFIG_GEN_RTC=y # CONFIG_HWMON=y # CONFIG_HWMON_VID is not set +# CONFIG_SENSORS_F71805F is not set # CONFIG_HWMON_DEBUG_CHIP is not set # @@ -503,10 +511,6 @@ CONFIG_HWMON=y # # -# Multimedia Capabilities Port drivers -# - -# # Multimedia devices # # CONFIG_VIDEO_DEV is not set @@ -531,6 +535,7 @@ CONFIG_HWMON=y # # CONFIG_USB_ARCH_HAS_HCD is not set # CONFIG_USB_ARCH_HAS_OHCI is not set +# CONFIG_USB_ARCH_HAS_EHCI is not set # # NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' @@ -551,7 +556,7 @@ CONFIG_HWMON=y # # -# SN Devices +# EDAC - error detection and reporting (RAS) (EXPERIMENTAL) # # @@ -603,7 +608,6 @@ CONFIG_SYSFS=y CONFIG_TMPFS=y # CONFIG_HUGETLB_PAGE is not set CONFIG_RAMFS=y -# CONFIG_RELAYFS_FS is not set # CONFIG_CONFIGFS_FS is not set # @@ -658,6 +662,7 @@ CONFIG_PARTITION_ADVANCED=y # 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 # @@ -695,6 +700,8 @@ CONFIG_DEBUG_MUTEXES=y # CONFIG_DEBUG_INFO is not set # CONFIG_DEBUG_FS is not set # CONFIG_DEBUG_VM is not set +# CONFIG_UNWIND_INFO is not set +CONFIG_FORCED_INLINING=y # CONFIG_RCU_TORTURE_TEST is not set # CONFIG_DEBUGGER is not set # CONFIG_BDI_SWITCH is not set diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile index 80e9fe2632b..0cc0995b81b 100644 --- a/arch/powerpc/kernel/Makefile +++ b/arch/powerpc/kernel/Makefile @@ -12,12 +12,12 @@ endif obj-y := semaphore.o cputable.o ptrace.o syscalls.o \ irq.o align.o signal_32.o pmc.o vdso.o \ - init_task.o process.o systbl.o + init_task.o process.o systbl.o idle.o obj-y += vdso32/ obj-$(CONFIG_PPC64) += setup_64.o binfmt_elf32.o sys_ppc32.o \ signal_64.o ptrace32.o \ paca.o cpu_setup_power4.o \ - firmware.o sysfs.o idle_64.o + firmware.o sysfs.o obj-$(CONFIG_PPC64) += vdso64/ obj-$(CONFIG_ALTIVEC) += vecemu.o vector.o obj-$(CONFIG_POWER4) += idle_power4.o @@ -34,6 +34,11 @@ obj-$(CONFIG_IBMEBUS) += ibmebus.o obj-$(CONFIG_GENERIC_TBSYNC) += smp-tbsync.o obj64-$(CONFIG_PPC_MULTIPLATFORM) += nvram_64.o obj-$(CONFIG_CRASH_DUMP) += crash_dump.o +obj-$(CONFIG_6xx) += idle_6xx.o l2cr_6xx.o cpu_setup_6xx.o +obj-$(CONFIG_TAU) += tau_6xx.o +obj32-$(CONFIG_SOFTWARE_SUSPEND) += swsusp_32.o +obj32-$(CONFIG_MODULES) += module_32.o +obj-$(CONFIG_E500) += perfmon_fsl_booke.o ifeq ($(CONFIG_PPC_MERGE),y) @@ -51,7 +56,6 @@ obj-$(CONFIG_PPC64) += misc_64.o dma_64.o iommu.o obj-$(CONFIG_PPC_MULTIPLATFORM) += prom_init.o obj-$(CONFIG_MODULES) += ppc_ksyms.o obj-$(CONFIG_BOOTX_TEXT) += btext.o -obj-$(CONFIG_6xx) += idle_6xx.o obj-$(CONFIG_SMP) += smp.o obj-$(CONFIG_KPROBES) += kprobes.o obj-$(CONFIG_PPC_UDBG_16550) += legacy_serial.o udbg_16550.o @@ -77,6 +81,7 @@ smpobj-$(CONFIG_SMP) += smp.o endif +obj-$(CONFIG_PPC32) += $(obj32-y) obj-$(CONFIG_PPC64) += $(obj64-y) extra-$(CONFIG_PPC_FPU) += fpu.o diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c index 882889b1592..54b48f33005 100644 --- a/arch/powerpc/kernel/asm-offsets.c +++ b/arch/powerpc/kernel/asm-offsets.c @@ -105,8 +105,6 @@ int main(void) DEFINE(ICACHEL1LINESIZE, offsetof(struct ppc64_caches, iline_size)); DEFINE(ICACHEL1LOGLINESIZE, offsetof(struct ppc64_caches, log_iline_size)); DEFINE(ICACHEL1LINESPERPAGE, offsetof(struct ppc64_caches, ilines_per_page)); - DEFINE(PLATFORM_LPAR, PLATFORM_LPAR); - /* paca */ DEFINE(PACA_SIZE, sizeof(struct paca_struct)); DEFINE(PACAPACAINDEX, offsetof(struct paca_struct, paca_index)); diff --git a/arch/ppc/kernel/cpu_setup_6xx.S b/arch/powerpc/kernel/cpu_setup_6xx.S index 55ed7716636..55ed7716636 100644 --- a/arch/ppc/kernel/cpu_setup_6xx.S +++ b/arch/powerpc/kernel/cpu_setup_6xx.S diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S index 4827ca1ec89..b3a97946722 100644 --- a/arch/powerpc/kernel/entry_32.S +++ b/arch/powerpc/kernel/entry_32.S @@ -135,10 +135,10 @@ transfer_to_handler: mfspr r11,SPRN_HID0 mtcr r11 BEGIN_FTR_SECTION - bt- 8,power_save_6xx_restore /* Check DOZE */ + bt- 8,4f /* Check DOZE */ END_FTR_SECTION_IFSET(CPU_FTR_CAN_DOZE) BEGIN_FTR_SECTION - bt- 9,power_save_6xx_restore /* Check NAP */ + bt- 9,4f /* Check NAP */ END_FTR_SECTION_IFSET(CPU_FTR_CAN_NAP) #endif /* CONFIG_6xx */ .globl transfer_to_handler_cont @@ -157,6 +157,10 @@ transfer_to_handler_cont: SYNC RFI /* jump to handler, enable MMU */ +#ifdef CONFIG_6xx +4: b power_save_6xx_restore +#endif + /* * On kernel stack overflow, load up an initial stack pointer * and call StackOverflow(regs), which should not return. diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S index 1060155d84c..19ad5c6b181 100644 --- a/arch/powerpc/kernel/entry_64.S +++ b/arch/powerpc/kernel/entry_64.S @@ -617,6 +617,12 @@ _GLOBAL(enter_rtas) mfsrr1 r10 std r10,_SRR1(r1) + /* Temporary workaround to clear CR until RTAS can be modified to + * ignore all bits. + */ + li r0,0 + mtcr r0 + /* There is no way it is acceptable to get here with interrupts enabled, * check it with the asm equivalent of WARN_ON */ diff --git a/arch/powerpc/kernel/firmware.c b/arch/powerpc/kernel/firmware.c index 4d37a3cb80f..0bfe9061720 100644 --- a/arch/powerpc/kernel/firmware.c +++ b/arch/powerpc/kernel/firmware.c @@ -14,7 +14,9 @@ */ #include <linux/config.h> +#include <linux/module.h> #include <asm/firmware.h> -unsigned long ppc64_firmware_features; +unsigned long powerpc_firmware_features; +EXPORT_SYMBOL_GPL(powerpc_firmware_features); diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S index 35084f3a841..a5ae04a57c7 100644 --- a/arch/powerpc/kernel/head_64.S +++ b/arch/powerpc/kernel/head_64.S @@ -1544,7 +1544,11 @@ _STATIC(__boot_from_prom) mr r28,r6 mr r27,r7 - /* Align the stack to 16-byte boundary for broken yaboot */ + /* + * Align the stack to 16-byte boundary + * Depending on the size and layout of the ELF sections in the initial + * boot binary, the stack pointer will be unalignet on PowerMac + */ rldicr r1,r1,0,59 /* Make sure we are running in 64 bits mode */ @@ -1847,21 +1851,6 @@ _STATIC(start_here_multiplatform) bl .__save_cpu_setup sync - /* Setup a valid physical PACA pointer in SPRG3 for early_setup - * note that boot_cpuid can always be 0 nowadays since there is - * nowhere it can be initialized differently before we reach this - * code - */ - LOAD_REG_IMMEDIATE(r27, boot_cpuid) - add r27,r27,r26 - lwz r27,0(r27) - - LOAD_REG_IMMEDIATE(r24, paca) /* Get base vaddr of paca array */ - mulli r13,r27,PACA_SIZE /* Calculate vaddr of right paca */ - add r13,r13,r24 /* for this processor. */ - add r13,r13,r26 /* convert to physical addr */ - mtspr SPRN_SPRG3,r13 - /* Do very early kernel initializations, including initial hash table, * stab and slb setup before we turn on relocation. */ @@ -1930,6 +1919,17 @@ _STATIC(start_here_common) /* Not reached */ BUG_OPCODE +/* Put the paca pointer into r13 and SPRG3 */ +_GLOBAL(setup_boot_paca) + LOAD_REG_IMMEDIATE(r3, boot_cpuid) + lwz r3,0(r3) + LOAD_REG_IMMEDIATE(r4, paca) /* Get base vaddr of paca array */ + mulli r3,r3,PACA_SIZE /* Calculate vaddr of right paca */ + add r13,r3,r4 /* for this processor. */ + mtspr SPRN_SPRG3,r13 + + blr + /* * We put a few things here that have to be page-aligned. * This stuff goes at the beginning of the bss, which is page-aligned. diff --git a/arch/powerpc/kernel/idle_64.c b/arch/powerpc/kernel/idle.c index b879d3057ef..e9f321d74d8 100644 --- a/arch/powerpc/kernel/idle_64.c +++ b/arch/powerpc/kernel/idle.c @@ -2,13 +2,17 @@ * Idle daemon for PowerPC. Idle daemon will handle any action * that needs to be taken when the system becomes idle. * - * Originally Written by Cort Dougan (cort@cs.nmt.edu) + * Originally written by Cort Dougan (cort@cs.nmt.edu). + * Subsequent 32-bit hacking by Tom Rini, Armin Kuster, + * Paul Mackerras and others. * * iSeries supported added by Mike Corrigan <mikejc@us.ibm.com> * * Additional shared processor, SMT, and firmware support * Copyright (c) 2003 Dave Engebretsen <engebret@us.ibm.com> * + * 32-bit and 64-bit versions merged by Paul Mackerras <paulus@samba.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 @@ -29,18 +33,43 @@ #include <asm/machdep.h> #include <asm/smp.h> -extern void power4_idle(void); +#ifdef CONFIG_HOTPLUG_CPU +#define cpu_should_die() (cpu_is_offline(smp_processor_id()) && \ + system_state == SYSTEM_RUNNING) +#else +#define cpu_should_die() 0 +#endif -void default_idle(void) +/* + * The body of the idle task. + */ +void cpu_idle(void) { - unsigned int cpu = smp_processor_id(); - set_thread_flag(TIF_POLLING_NRFLAG); + if (ppc_md.idle_loop) + ppc_md.idle_loop(); /* doesn't return */ + set_thread_flag(TIF_POLLING_NRFLAG); while (1) { - if (!need_resched()) { - while (!need_resched() && !cpu_is_offline(cpu)) { - ppc64_runlatch_off(); + ppc64_runlatch_off(); + while (!need_resched() && !cpu_should_die()) { + if (ppc_md.power_save) { + clear_thread_flag(TIF_POLLING_NRFLAG); + /* + * smp_mb is so clearing of TIF_POLLING_NRFLAG + * is ordered w.r.t. need_resched() test. + */ + smp_mb(); + local_irq_disable(); + + /* check again after disabling irqs */ + if (!need_resched() && !cpu_should_die()) + ppc_md.power_save(); + + local_irq_enable(); + set_thread_flag(TIF_POLLING_NRFLAG); + + } else { /* * Go into low thread priority and possibly * low power mode. @@ -48,46 +77,18 @@ void default_idle(void) HMT_low(); HMT_very_low(); } - - HMT_medium(); } + HMT_medium(); ppc64_runlatch_on(); + if (cpu_should_die()) + cpu_die(); preempt_enable_no_resched(); schedule(); preempt_disable(); - if (cpu_is_offline(cpu) && system_state == SYSTEM_RUNNING) - cpu_die(); } } -void native_idle(void) -{ - while (1) { - ppc64_runlatch_off(); - - if (!need_resched()) - power4_idle(); - - if (need_resched()) { - ppc64_runlatch_on(); - preempt_enable_no_resched(); - schedule(); - preempt_disable(); - } - - if (cpu_is_offline(smp_processor_id()) && - system_state == SYSTEM_RUNNING) - cpu_die(); - } -} - -void cpu_idle(void) -{ - BUG_ON(NULL == ppc_md.idle_loop); - ppc_md.idle_loop(); -} - int powersave_nap; #ifdef CONFIG_SYSCTL diff --git a/arch/powerpc/kernel/idle_6xx.S b/arch/powerpc/kernel/idle_6xx.S index 444fdcc769f..12a4efbaa08 100644 --- a/arch/powerpc/kernel/idle_6xx.S +++ b/arch/powerpc/kernel/idle_6xx.S @@ -87,19 +87,6 @@ END_FTR_SECTION_IFSET(CPU_FTR_CAN_NAP) cmpwi 0,r3,0 beqlr - /* Clear MSR:EE */ - mfmsr r7 - rlwinm r0,r7,0,17,15 - mtmsr r0 - - /* Check current_thread_info()->flags */ - rlwinm r4,r1,0,0,18 - lwz r4,TI_FLAGS(r4) - andi. r0,r4,_TIF_NEED_RESCHED - beq 1f - mtmsr r7 /* out of line this ? */ - blr -1: /* Some pre-nap cleanups needed on some CPUs */ andis. r0,r3,HID0_NAP@h beq 2f @@ -157,7 +144,8 @@ BEGIN_FTR_SECTION DSSALL sync END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC) - ori r7,r7,MSR_EE /* Could be ommited (already set) */ + mfmsr r7 + ori r7,r7,MSR_EE oris r7,r7,MSR_POW@h sync isync @@ -220,8 +208,6 @@ _GLOBAL(nap_save_msscr0) _GLOBAL(nap_save_hid1) .space 4*NR_CPUS -_GLOBAL(powersave_nap) - .long 0 _GLOBAL(powersave_lowspeed) .long 0 diff --git a/arch/powerpc/kernel/idle_power4.S b/arch/powerpc/kernel/idle_power4.S index c16b4afab58..6dad1c02496 100644 --- a/arch/powerpc/kernel/idle_power4.S +++ b/arch/powerpc/kernel/idle_power4.S @@ -1,11 +1,5 @@ /* - * This file contains the power_save function for 6xx & 7xxx CPUs - * rewritten in assembler - * - * Warning ! This code assumes that if your machine has a 750fx - * it will have PLL 1 set to low speed mode (used during NAP/DOZE). - * if this is not the case some additional changes will have to - * be done to check a runtime var (a bit like powersave-nap) + * This file contains the power_save function for 970-family CPUs. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -26,49 +20,23 @@ .text -/* - * Here is the power_save_6xx function. This could eventually be - * split into several functions & changing the function pointer - * depending on the various features. - */ _GLOBAL(power4_idle) BEGIN_FTR_SECTION blr END_FTR_SECTION_IFCLR(CPU_FTR_CAN_NAP) - /* We must dynamically check for the NAP feature as it - * can be cleared by CPU init after the fixups are done - */ - LOAD_REG_ADDRBASE(r3,cur_cpu_spec) - ld r4,ADDROFF(cur_cpu_spec)(r3) - ld r4,CPU_SPEC_FEATURES(r4) - andi. r0,r4,CPU_FTR_CAN_NAP - beqlr /* Now check if user or arch enabled NAP mode */ LOAD_REG_ADDRBASE(r3,powersave_nap) lwz r4,ADDROFF(powersave_nap)(r3) cmpwi 0,r4,0 beqlr - /* Clear MSR:EE */ - mfmsr r7 - li r4,0 - ori r4,r4,MSR_EE - andc r0,r7,r4 - mtmsrd r0 - - /* Check current_thread_info()->flags */ - clrrdi r4,r1,THREAD_SHIFT - ld r4,TI_FLAGS(r4) - andi. r0,r4,_TIF_NEED_RESCHED - beq 1f - mtmsrd r7 /* out of line this ? */ - blr -1: /* Go to NAP now */ BEGIN_FTR_SECTION DSSALL sync END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC) + mfmsr r7 + ori r7,r7,MSR_EE oris r7,r7,MSR_POW@h sync isync diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c index 771a59cbd21..bb5c9501234 100644 --- a/arch/powerpc/kernel/irq.c +++ b/arch/powerpc/kernel/irq.c @@ -379,7 +379,7 @@ void irq_ctx_init(void) struct thread_info *tp; int i; - for_each_cpu(i) { + for_each_possible_cpu(i) { memset((void *)softirq_ctx[i], 0, THREAD_SIZE); tp = softirq_ctx[i]; tp->cpu = i; diff --git a/arch/ppc/kernel/l2cr.S b/arch/powerpc/kernel/l2cr_6xx.S index d7f4e982b53..d7f4e982b53 100644 --- a/arch/ppc/kernel/l2cr.S +++ b/arch/powerpc/kernel/l2cr_6xx.S diff --git a/arch/powerpc/kernel/legacy_serial.c b/arch/powerpc/kernel/legacy_serial.c index c7a799a0951..6e67b5b49ba 100644 --- a/arch/powerpc/kernel/legacy_serial.c +++ b/arch/powerpc/kernel/legacy_serial.c @@ -37,7 +37,7 @@ static int legacy_serial_console = -1; static int __init add_legacy_port(struct device_node *np, int want_index, int iotype, phys_addr_t base, phys_addr_t taddr, unsigned long irq, - unsigned int flags) + upf_t flags) { u32 *clk, *spd, clock = BASE_BAUD * 16; int index; @@ -113,7 +113,7 @@ static int __init add_legacy_soc_port(struct device_node *np, { phys_addr_t addr; u32 *addrp; - unsigned int flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_SHARE_IRQ; + upf_t flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_SHARE_IRQ; /* We only support ports that have a clock frequency properly * encoded in the device-tree. @@ -236,6 +236,23 @@ static int __init add_legacy_pci_port(struct device_node *np, } #endif +static void __init setup_legacy_serial_console(int console) +{ + struct legacy_serial_info *info = + &legacy_serial_infos[console]; + void __iomem *addr; + + if (info->taddr == 0) + return; + addr = ioremap(info->taddr, 0x1000); + if (addr == NULL) + return; + if (info->speed == 0) + info->speed = udbg_probe_uart_speed(addr, info->clock); + DBG("default console speed = %d\n", info->speed); + udbg_init_uart(addr, info->speed, info->clock); +} + /* * This is called very early, as part of setup_system() or eventually * setup_arch(), basically before anything else in this file. This function @@ -318,25 +335,8 @@ void __init find_legacy_serial_ports(void) #endif DBG("legacy_serial_console = %d\n", legacy_serial_console); - - /* udbg is 64 bits only for now, that will change soon though ... */ - while (legacy_serial_console >= 0) { - struct legacy_serial_info *info = - &legacy_serial_infos[legacy_serial_console]; - void __iomem *addr; - - if (info->taddr == 0) - break; - addr = ioremap(info->taddr, 0x1000); - if (addr == NULL) - break; - if (info->speed == 0) - info->speed = udbg_probe_uart_speed(addr, info->clock); - DBG("default console speed = %d\n", info->speed); - udbg_init_uart(addr, info->speed, info->clock); - break; - } - + if (legacy_serial_console >= 0) + setup_legacy_serial_console(legacy_serial_console); DBG(" <- find_legacy_serial_port()\n"); } diff --git a/arch/powerpc/kernel/lparcfg.c b/arch/powerpc/kernel/lparcfg.c index e789fef4eb8..1b73508ecb2 100644 --- a/arch/powerpc/kernel/lparcfg.c +++ b/arch/powerpc/kernel/lparcfg.c @@ -56,7 +56,7 @@ static unsigned long get_purr(void) unsigned long sum_purr = 0; int cpu; - for_each_cpu(cpu) { + for_each_possible_cpu(cpu) { sum_purr += lppaca[cpu].emulated_time_base; #ifdef PURR_DEBUG @@ -222,7 +222,7 @@ static unsigned long get_purr(void) int cpu; struct cpu_usage *cu; - for_each_cpu(cpu) { + for_each_possible_cpu(cpu) { cu = &per_cpu(cpu_usage_array, cpu); sum_purr += cu->current_tb; } diff --git a/arch/ppc/kernel/module.c b/arch/powerpc/kernel/module_32.c index 92f4e5f64f0..92f4e5f64f0 100644 --- a/arch/ppc/kernel/module.c +++ b/arch/powerpc/kernel/module_32.c diff --git a/arch/powerpc/kernel/nvram_64.c b/arch/powerpc/kernel/nvram_64.c index fd7db8d542d..ada50aa5b60 100644 --- a/arch/powerpc/kernel/nvram_64.c +++ b/arch/powerpc/kernel/nvram_64.c @@ -160,7 +160,7 @@ static int dev_nvram_ioctl(struct inode *inode, struct file *file, case IOC_NVRAM_GET_OFFSET: { int part, offset; - if (_machine != PLATFORM_POWERMAC) + if (!machine_is(powermac)) return -EINVAL; if (copy_from_user(&part, (void __user*)arg, sizeof(part)) != 0) return -EFAULT; @@ -174,8 +174,9 @@ static int dev_nvram_ioctl(struct inode *inode, struct file *file, return 0; } #endif /* CONFIG_PPC_PMAC */ + default: + return -EINVAL; } - return -EINVAL; } struct file_operations nvram_fops = { @@ -443,7 +444,7 @@ static int nvram_setup_partition(void) * in our nvram, as Apple defined partitions use pretty much * all of the space */ - if (_machine == PLATFORM_POWERMAC) + if (machine_is(powermac)) return -ENOSPC; /* see if we have an OS partition that meets our needs. diff --git a/arch/powerpc/kernel/paca.c b/arch/powerpc/kernel/paca.c index 5d1b708086b..f505a8827e3 100644 --- a/arch/powerpc/kernel/paca.c +++ b/arch/powerpc/kernel/paca.c @@ -56,14 +56,11 @@ struct lppaca lppaca[] = { * processors. The processor VPD array needs one entry per physical * processor (not thread). */ -#define PACA_INIT_COMMON(number, start, asrr, asrv) \ +#define PACA_INIT_COMMON(number) \ .lppaca_ptr = &lppaca[number], \ .lock_token = 0x8000, \ .paca_index = (number), /* Paca Index */ \ .kernel_toc = (unsigned long)(&__toc_start) + 0x8000UL, \ - .stab_real = (asrr), /* Real pointer to segment table */ \ - .stab_addr = (asrv), /* Virt pointer to segment table */ \ - .cpu_start = (start), /* Processor start */ \ .hw_cpu_id = 0xffff, #ifdef CONFIG_PPC_ISERIES @@ -72,30 +69,20 @@ struct lppaca lppaca[] = { #define PACA_INIT(number) \ { \ - PACA_INIT_COMMON(number, 0, 0, 0) \ - PACA_INIT_ISERIES(number) \ -} - -#define BOOTCPU_PACA_INIT(number) \ -{ \ - PACA_INIT_COMMON(number, 1, 0, (u64)&initial_stab) \ + PACA_INIT_COMMON(number) \ PACA_INIT_ISERIES(number) \ } #else #define PACA_INIT(number) \ { \ - PACA_INIT_COMMON(number, 0, 0, 0) \ + PACA_INIT_COMMON(number) \ } -#define BOOTCPU_PACA_INIT(number) \ -{ \ - PACA_INIT_COMMON(number, 1, STAB0_PHYS_ADDR, (u64)&initial_stab) \ -} #endif struct paca_struct paca[] = { - BOOTCPU_PACA_INIT(0), + PACA_INIT(0), #if NR_CPUS > 1 PACA_INIT( 1), PACA_INIT( 2), PACA_INIT( 3), #if NR_CPUS > 4 diff --git a/arch/powerpc/kernel/pci_32.c b/arch/powerpc/kernel/pci_32.c index 704c846b2b0..b129d2e4b75 100644 --- a/arch/powerpc/kernel/pci_32.c +++ b/arch/powerpc/kernel/pci_32.c @@ -787,7 +787,7 @@ pci_busdev_to_OF_node(struct pci_bus *bus, int devfn) * fix has to be done by making the remapping per-host and always * filling the pci_to_OF map. --BenH */ - if (_machine == _MACH_Pmac && busnr >= 0xf0) + if (machine_is(powermac) && busnr >= 0xf0) busnr -= 0xf0; else #endif @@ -1728,7 +1728,7 @@ long sys_pciconfig_iobase(long which, unsigned long bus, unsigned long devfn) * (bus 0 is HT root), we return the AGP one instead. */ #ifdef CONFIG_PPC_PMAC - if (_machine == _MACH_Pmac && machine_is_compatible("MacRISC4")) + if (machine_is(powermac) && machine_is_compatible("MacRISC4")) if (bus == 0) bus = 0xf0; #endif /* CONFIG_PPC_PMAC */ diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c index ba92bab7cc2..4c4449be81c 100644 --- a/arch/powerpc/kernel/pci_64.c +++ b/arch/powerpc/kernel/pci_64.c @@ -78,6 +78,7 @@ int global_phb_number; /* Global phb counter */ /* Cached ISA bridge dev. */ struct pci_dev *ppc64_isabridge_dev = NULL; +EXPORT_SYMBOL_GPL(ppc64_isabridge_dev); static void fixup_broken_pcnet32(struct pci_dev* dev) { diff --git a/arch/ppc/kernel/perfmon_fsl_booke.c b/arch/powerpc/kernel/perfmon_fsl_booke.c index 32455dfcc36..32455dfcc36 100644 --- a/arch/ppc/kernel/perfmon_fsl_booke.c +++ b/arch/powerpc/kernel/perfmon_fsl_booke.c diff --git a/arch/powerpc/kernel/proc_ppc64.c b/arch/powerpc/kernel/proc_ppc64.c index 7ba42a405f4..3c2cf661f6d 100644 --- a/arch/powerpc/kernel/proc_ppc64.c +++ b/arch/powerpc/kernel/proc_ppc64.c @@ -23,6 +23,7 @@ #include <linux/slab.h> #include <linux/kernel.h> +#include <asm/machdep.h> #include <asm/vdso_datapage.h> #include <asm/rtas.h> #include <asm/uaccess.h> @@ -51,7 +52,7 @@ static int __init proc_ppc64_create(void) if (!root) return 1; - if (!(platform_is_pseries() || _machine == PLATFORM_CELL)) + if (!machine_is(pseries) && !machine_is(cell)) return 0; if (!proc_mkdir("rtas", root)) diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index f698aa77127..706090c99f4 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -45,6 +45,7 @@ #include <asm/prom.h> #include <asm/machdep.h> #include <asm/time.h> +#include <asm/syscalls.h> #ifdef CONFIG_PPC64 #include <asm/firmware.h> #endif @@ -362,7 +363,11 @@ static void show_instructions(struct pt_regs *regs) if (!(i % 8)) printk("\n"); - if (BAD_PC(pc) || __get_user(instr, (unsigned int *)pc)) { + /* We use __get_user here *only* to avoid an OOPS on a + * bad address because the pc *should* only be a + * kernel address. + */ + if (BAD_PC(pc) || __get_user(instr, (unsigned int __user *)pc)) { printk("XXXXXXXX "); } else { if (regs->nip == pc) @@ -765,7 +770,7 @@ out: return error; } -static int validate_sp(unsigned long sp, struct task_struct *p, +int validate_sp(unsigned long sp, struct task_struct *p, unsigned long nbytes) { unsigned long stack_page = (unsigned long)task_stack_page(p); @@ -803,6 +808,8 @@ static int validate_sp(unsigned long sp, struct task_struct *p, #define FRAME_MARKER 2 #endif +EXPORT_SYMBOL(validate_sp); + unsigned long get_wchan(struct task_struct *p) { unsigned long ip, sp; diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index d63cd562d9d..4336390bcf3 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -383,14 +383,14 @@ static int __devinit finish_node_interrupts(struct device_node *np, /* Apple uses bits in there in a different way, let's * only keep the real sense bit on macs */ - if (_machine == PLATFORM_POWERMAC) + if (machine_is(powermac)) sense &= 0x1; np->intrs[intrcount].sense = map_mpic_senses[sense]; } #ifdef CONFIG_PPC64 /* We offset irq numbers for the u3 MPIC by 128 in PowerMac */ - if (_machine == PLATFORM_POWERMAC && ic && ic->parent) { + if (machine_is(powermac) && ic && ic->parent) { char *name = get_property(ic->parent, "name", NULL); if (name && !strcmp(name, "u3")) np->intrs[intrcount].line += 128; @@ -570,6 +570,18 @@ int __init of_scan_flat_dt(int (*it)(unsigned long node, return rc; } +unsigned long __init of_get_flat_dt_root(void) +{ + unsigned long p = ((unsigned long)initial_boot_params) + + initial_boot_params->off_dt_struct; + + while(*((u32 *)p) == OF_DT_NOP) + p += 4; + BUG_ON (*((u32 *)p) != OF_DT_BEGIN_NODE); + p += 4; + return _ALIGN(p + strlen((char *)p) + 1, 4); +} + /** * This function can be used within scan_flattened_dt callback to get * access to properties @@ -612,6 +624,25 @@ void* __init of_get_flat_dt_prop(unsigned long node, const char *name, } while(1); } +int __init of_flat_dt_is_compatible(unsigned long node, const char *compat) +{ + const char* cp; + unsigned long cplen, l; + + cp = of_get_flat_dt_prop(node, "compatible", &cplen); + if (cp == NULL) + return 0; + while (cplen > 0) { + if (strncasecmp(cp, compat, strlen(compat)) == 0) + return 1; + l = strlen(cp) + 1; + cp += l; + cplen -= l; + } + + return 0; +} + static void *__init unflatten_dt_alloc(unsigned long *mem, unsigned long size, unsigned long align) { @@ -686,7 +717,7 @@ static unsigned long __init unflatten_dt_node(unsigned long mem, #ifdef DEBUG if ((strlen(p) + l + 1) != allocl) { DBG("%s: p: %d, l: %d, a: %d\n", - pathp, strlen(p), l, allocl); + pathp, (int)strlen(p), l, allocl); } #endif p += strlen(p); @@ -854,35 +885,73 @@ void __init unflatten_device_tree(void) DBG(" <- unflatten_device_tree()\n"); } - static int __init early_init_dt_scan_cpus(unsigned long node, - const char *uname, int depth, void *data) + const char *uname, int depth, + void *data) { + static int logical_cpuid = 0; + char *type = of_get_flat_dt_prop(node, "device_type", NULL); +#ifdef CONFIG_ALTIVEC u32 *prop; - unsigned long size; - char *type = of_get_flat_dt_prop(node, "device_type", &size); +#endif + u32 *intserv; + int i, nthreads; + unsigned long len; + int found = 0; /* We are scanning "cpu" nodes only */ if (type == NULL || strcmp(type, "cpu") != 0) return 0; - boot_cpuid = 0; - boot_cpuid_phys = 0; - if (initial_boot_params && initial_boot_params->version >= 2) { - /* version 2 of the kexec param format adds the phys cpuid - * of booted proc. - */ - boot_cpuid_phys = initial_boot_params->boot_cpuid_phys; + /* Get physical cpuid */ + intserv = of_get_flat_dt_prop(node, "ibm,ppc-interrupt-server#s", &len); + if (intserv) { + nthreads = len / sizeof(int); } else { - /* Check if it's the boot-cpu, set it's hw index now */ - if (of_get_flat_dt_prop(node, + intserv = of_get_flat_dt_prop(node, "reg", NULL); + nthreads = 1; + } + + /* + * Now see if any of these threads match our boot cpu. + * NOTE: This must match the parsing done in smp_setup_cpu_maps. + */ + for (i = 0; i < nthreads; i++) { + /* + * version 2 of the kexec param format adds the phys cpuid of + * booted proc. + */ + if (initial_boot_params && initial_boot_params->version >= 2) { + if (intserv[i] == + initial_boot_params->boot_cpuid_phys) { + found = 1; + break; + } + } else { + /* + * Check if it's the boot-cpu, set it's hw index now, + * unfortunately this format did not support booting + * off secondary threads. + */ + if (of_get_flat_dt_prop(node, "linux,boot-cpu", NULL) != NULL) { - prop = of_get_flat_dt_prop(node, "reg", NULL); - if (prop != NULL) - boot_cpuid_phys = *prop; + found = 1; + break; + } } + +#ifdef CONFIG_SMP + /* logical cpu id is always 0 on UP kernels */ + logical_cpuid++; +#endif + } + + if (found) { + DBG("boot cpu: logical %d physical %d\n", logical_cpuid, + intserv[i]); + boot_cpuid = logical_cpuid; + set_hard_smp_processor_id(boot_cpuid, intserv[i]); } - set_hard_smp_processor_id(0, boot_cpuid_phys); #ifdef CONFIG_ALTIVEC /* Check if we have a VMX and eventually update CPU features */ @@ -901,16 +970,10 @@ static int __init early_init_dt_scan_cpus(unsigned long node, #endif /* CONFIG_ALTIVEC */ #ifdef CONFIG_PPC_PSERIES - /* - * Check for an SMT capable CPU and set the CPU feature. We do - * this by looking at the size of the ibm,ppc-interrupt-server#s - * property - */ - prop = (u32 *)of_get_flat_dt_prop(node, "ibm,ppc-interrupt-server#s", - &size); - cur_cpu_spec->cpu_features &= ~CPU_FTR_SMT; - if (prop && ((size / sizeof(u32)) > 1)) + if (nthreads > 1) cur_cpu_spec->cpu_features |= CPU_FTR_SMT; + else + cur_cpu_spec->cpu_features &= ~CPU_FTR_SMT; #endif return 0; @@ -919,7 +982,6 @@ static int __init early_init_dt_scan_cpus(unsigned long node, static int __init early_init_dt_scan_chosen(unsigned long node, const char *uname, int depth, void *data) { - u32 *prop; unsigned long *lprop; unsigned long l; char *p; @@ -930,14 +992,6 @@ static int __init early_init_dt_scan_chosen(unsigned long node, (strcmp(uname, "chosen") != 0 && strcmp(uname, "chosen@0") != 0)) return 0; - /* get platform type */ - prop = (u32 *)of_get_flat_dt_prop(node, "linux,platform", NULL); - if (prop == NULL) - return 0; -#ifdef CONFIG_PPC_MULTIPLATFORM - _machine = *prop; -#endif - #ifdef CONFIG_PPC64 /* check if iommu is forced on or off */ if (of_get_flat_dt_prop(node, "linux,iommu-off", NULL) != NULL) @@ -964,15 +1018,15 @@ static int __init early_init_dt_scan_chosen(unsigned long node, * set of RTAS infos now if available */ { - u64 *basep, *entryp; + u64 *basep, *entryp, *sizep; basep = of_get_flat_dt_prop(node, "linux,rtas-base", NULL); entryp = of_get_flat_dt_prop(node, "linux,rtas-entry", NULL); - prop = of_get_flat_dt_prop(node, "linux,rtas-size", NULL); - if (basep && entryp && prop) { + sizep = of_get_flat_dt_prop(node, "linux,rtas-size", NULL); + if (basep && entryp && sizep) { rtas.base = *basep; rtas.entry = *entryp; - rtas.size = *prop; + rtas.size = *sizep; } } #endif /* CONFIG_PPC_RTAS */ @@ -1001,25 +1055,13 @@ static int __init early_init_dt_scan_chosen(unsigned long node, if (strstr(cmd_line, "mem=")) { char *p, *q; - unsigned long maxmem = 0; for (q = cmd_line; (p = strstr(q, "mem=")) != 0; ) { q = p + 4; if (p > cmd_line && p[-1] != ' ') continue; - maxmem = simple_strtoul(q, &q, 0); - if (*q == 'k' || *q == 'K') { - maxmem <<= 10; - ++q; - } else if (*q == 'm' || *q == 'M') { - maxmem <<= 20; - ++q; - } else if (*q == 'g' || *q == 'G') { - maxmem <<= 30; - ++q; - } + memory_limit = memparse(q, &q); } - memory_limit = maxmem; } /* break now */ @@ -1755,7 +1797,7 @@ static int of_finish_dynamic_node(struct device_node *node) /* We don't support that function on PowerMac, at least * not yet */ - if (_machine == PLATFORM_POWERMAC) + if (machine_is(powermac)) return -ENODEV; /* fix up new node's linux_phandle field */ diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c index 813c2cd194c..d66c5e77fcf 100644 --- a/arch/powerpc/kernel/prom_init.c +++ b/arch/powerpc/kernel/prom_init.c @@ -180,6 +180,16 @@ static unsigned long __initdata prom_tce_alloc_start; static unsigned long __initdata prom_tce_alloc_end; #endif +/* Platforms codes are now obsolete in the kernel. Now only used within this + * file and ultimately gone too. Feel free to change them if you need, they + * are not shared with anything outside of this file anymore + */ +#define PLATFORM_PSERIES 0x0100 +#define PLATFORM_PSERIES_LPAR 0x0101 +#define PLATFORM_LPAR 0x0001 +#define PLATFORM_POWERMAC 0x0400 +#define PLATFORM_GENERIC 0x0500 + static int __initdata of_platform; static char __initdata prom_cmd_line[COMMAND_LINE_SIZE]; @@ -397,6 +407,11 @@ static void __init __attribute__((noreturn)) prom_panic(const char *reason) reason = PTRRELOC(reason); #endif prom_print(reason); + /* Do not call exit because it clears the screen on pmac + * it also causes some sort of double-fault on early pmacs */ + if (RELOC(of_platform) == PLATFORM_POWERMAC) + asm("trap\n"); + /* ToDo: should put up an SRC here on p/iSeries */ call_prom("exit", 0, 0); @@ -1487,7 +1502,10 @@ static int __init prom_find_machine_type(void) int len, i = 0; #ifdef CONFIG_PPC64 phandle rtas; + int x; #endif + + /* Look for a PowerMac */ len = prom_getprop(_prom->root, "compatible", compat, sizeof(compat)-1); if (len > 0) { @@ -1500,28 +1518,36 @@ static int __init prom_find_machine_type(void) if (strstr(p, RELOC("Power Macintosh")) || strstr(p, RELOC("MacRISC"))) return PLATFORM_POWERMAC; -#ifdef CONFIG_PPC64 - if (strstr(p, RELOC("Momentum,Maple"))) - return PLATFORM_MAPLE; - if (strstr(p, RELOC("IBM,CPB"))) - return PLATFORM_CELL; -#endif i += sl + 1; } } #ifdef CONFIG_PPC64 + /* If not a mac, try to figure out if it's an IBM pSeries or any other + * PAPR compliant platform. We assume it is if : + * - /device_type is "chrp" (please, do NOT use that for future + * non-IBM designs ! + * - it has /rtas + */ + len = prom_getprop(_prom->root, "model", + compat, sizeof(compat)-1); + if (len <= 0) + return PLATFORM_GENERIC; + compat[len] = 0; + if (strcmp(compat, "chrp")) + return PLATFORM_GENERIC; + /* Default to pSeries. We need to know if we are running LPAR */ rtas = call_prom("finddevice", 1, 1, ADDR("/rtas")); - if (PHANDLE_VALID(rtas)) { - int x = prom_getproplen(rtas, "ibm,hypertas-functions"); - if (x != PROM_ERROR) { - prom_printf("Hypertas detected, assuming LPAR !\n"); - return PLATFORM_PSERIES_LPAR; - } + if (!PHANDLE_VALID(rtas)) + return PLATFORM_GENERIC; + x = prom_getproplen(rtas, "ibm,hypertas-functions"); + if (x != PROM_ERROR) { + prom_printf("Hypertas detected, assuming LPAR !\n"); + return PLATFORM_PSERIES_LPAR; } return PLATFORM_PSERIES; #else - return PLATFORM_CHRP; + return PLATFORM_GENERIC; #endif } @@ -2029,7 +2055,6 @@ unsigned long __init prom_init(unsigned long r3, unsigned long r4, { struct prom_t *_prom; unsigned long hdr; - u32 getprop_rval; unsigned long offset = reloc_offset(); #ifdef CONFIG_PPC32 @@ -2060,6 +2085,12 @@ unsigned long __init prom_init(unsigned long r3, unsigned long r4, */ prom_init_stdout(); + /* + * Get default machine type. At this point, we do not differentiate + * between pSeries SMP and pSeries LPAR + */ + RELOC(of_platform) = prom_find_machine_type(); + /* Bail if this is a kdump kernel. */ if (PHYSICAL_START > 0) prom_panic("Error: You can't boot a kdump kernel from OF!\n"); @@ -2069,15 +2100,6 @@ unsigned long __init prom_init(unsigned long r3, unsigned long r4, */ prom_check_initrd(r3, r4); - /* - * Get default machine type. At this point, we do not differentiate - * between pSeries SMP and pSeries LPAR - */ - RELOC(of_platform) = prom_find_machine_type(); - getprop_rval = RELOC(of_platform); - prom_setprop(_prom->chosen, "/chosen", "linux,platform", - &getprop_rval, sizeof(getprop_rval)); - #ifdef CONFIG_PPC_PSERIES /* * On pSeries, inform the firmware about our capabilities diff --git a/arch/powerpc/kernel/rtas-proc.c b/arch/powerpc/kernel/rtas-proc.c index 1f03fb28cc0..456286cf1d1 100644 --- a/arch/powerpc/kernel/rtas-proc.c +++ b/arch/powerpc/kernel/rtas-proc.c @@ -257,7 +257,7 @@ static int __init proc_rtas_init(void) { struct proc_dir_entry *entry; - if (_machine != PLATFORM_PSERIES && _machine != PLATFORM_PSERIES_LPAR) + if (!machine_is(pseries)) return 1; rtas_node = of_find_node_by_name(NULL, "rtas"); diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c index b5b2add7ad1..06636c927a7 100644 --- a/arch/powerpc/kernel/rtas.c +++ b/arch/powerpc/kernel/rtas.c @@ -25,6 +25,7 @@ #include <asm/hvcall.h> #include <asm/semaphore.h> #include <asm/machdep.h> +#include <asm/firmware.h> #include <asm/page.h> #include <asm/param.h> #include <asm/system.h> @@ -32,6 +33,7 @@ #include <asm/uaccess.h> #include <asm/lmb.h> #include <asm/udbg.h> +#include <asm/syscalls.h> struct rtas_t rtas = { .lock = SPIN_LOCK_UNLOCKED @@ -591,7 +593,7 @@ static void rtas_percpu_suspend_me(void *info) data->waiting = 0; data->args->args[data->args->nargs] = rtas_call(ibm_suspend_me_token, 0, 1, NULL); - for_each_cpu(i) + for_each_possible_cpu(i) plpar_hcall_norets(H_PROD,i); } else { data->waiting = -EBUSY; @@ -624,7 +626,7 @@ static int rtas_ibm_suspend_me(struct rtas_args *args) /* Prod each CPU. This won't hurt, and will wake * anyone we successfully put to sleep with H_Join */ - for_each_cpu(i) + for_each_possible_cpu(i) plpar_hcall_norets(H_PROD, i); return data.waiting; @@ -767,7 +769,7 @@ void __init rtas_initialize(void) * the stop-self token if any */ #ifdef CONFIG_PPC64 - if (_machine == PLATFORM_PSERIES_LPAR) { + if (machine_is(pseries) && firmware_has_feature(FW_FEATURE_LPAR)) { rtas_region = min(lmb.rmo_size, RTAS_INSTANTIATE_MAX); ibm_suspend_me_token = rtas_token("ibm,suspend-me"); } diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c index c1d62bf11f2..c607f3b9ca1 100644 --- a/arch/powerpc/kernel/setup-common.c +++ b/arch/powerpc/kernel/setup-common.c @@ -9,6 +9,9 @@ * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ + +#undef DEBUG + #include <linux/config.h> #include <linux/module.h> #include <linux/string.h> @@ -41,6 +44,7 @@ #include <asm/time.h> #include <asm/cputable.h> #include <asm/sections.h> +#include <asm/firmware.h> #include <asm/btext.h> #include <asm/nvram.h> #include <asm/setup.h> @@ -56,8 +60,6 @@ #include "setup.h" -#undef DEBUG - #ifdef DEBUG #include <asm/udbg.h> #define DBG(fmt...) udbg_printf(fmt) @@ -65,10 +67,12 @@ #define DBG(fmt...) #endif -#ifdef CONFIG_PPC_MULTIPLATFORM -int _machine = 0; -EXPORT_SYMBOL(_machine); -#endif +/* The main machine-dep calls structure + */ +struct machdep_calls ppc_md; +EXPORT_SYMBOL(ppc_md); +struct machdep_calls *machine_id; +EXPORT_SYMBOL(machine_id); unsigned long klimit = (unsigned long) _end; @@ -168,7 +172,8 @@ static int show_cpuinfo(struct seq_file *m, void *v) bogosum/(500000/HZ), bogosum/(5000/HZ) % 100); #endif /* CONFIG_SMP && CONFIG_PPC32 */ seq_printf(m, "timebase\t: %lu\n", ppc_tb_freq); - + if (ppc_md.name) + seq_printf(m, "platform\t: %s\n", ppc_md.name); if (ppc_md.show_cpuinfo != NULL) ppc_md.show_cpuinfo(m); @@ -352,12 +357,13 @@ void __init check_for_initrd(void) * must be called before using this. * * While we're here, we may as well set the "physical" cpu ids in the paca. + * + * NOTE: This must match the parsing done in early_init_dt_scan_cpus. */ void __init smp_setup_cpu_maps(void) { struct device_node *dn = NULL; int cpu = 0; - int swap_cpuid = 0; while ((dn = of_find_node_by_type(dn, "cpu")) && cpu < NR_CPUS) { int *intserv; @@ -376,30 +382,17 @@ void __init smp_setup_cpu_maps(void) for (j = 0; j < nthreads && cpu < NR_CPUS; j++) { cpu_set(cpu, cpu_present_map); set_hard_smp_processor_id(cpu, intserv[j]); - - if (intserv[j] == boot_cpuid_phys) - swap_cpuid = cpu; cpu_set(cpu, cpu_possible_map); cpu++; } } - /* Swap CPU id 0 with boot_cpuid_phys, so we can always assume that - * boot cpu is logical 0. - */ - if (boot_cpuid_phys != get_hard_smp_processor_id(0)) { - u32 tmp; - tmp = get_hard_smp_processor_id(0); - set_hard_smp_processor_id(0, boot_cpuid_phys); - set_hard_smp_processor_id(swap_cpuid, tmp); - } - #ifdef CONFIG_PPC64 /* * On pSeries LPAR, we need to know how many cpus * could possibly be added to this partition. */ - if (_machine == PLATFORM_PSERIES_LPAR && + if (machine_is(pseries) && firmware_has_feature(FW_FEATURE_LPAR) && (dn = of_find_node_by_path("/rtas"))) { int num_addr_cell, num_size_cell, maxcpus; unsigned int *ireg; @@ -438,7 +431,7 @@ void __init smp_setup_cpu_maps(void) /* * Do the sibling map; assume only two threads per processor. */ - for_each_cpu(cpu) { + for_each_possible_cpu(cpu) { cpu_set(cpu, cpu_sibling_map[cpu]); if (cpu_has_feature(CPU_FTR_SMT)) cpu_set(cpu ^ 0x1, cpu_sibling_map[cpu]); @@ -468,3 +461,34 @@ static int __init early_xmon(char *p) } early_param("xmon", early_xmon); #endif + +void probe_machine(void) +{ + extern struct machdep_calls __machine_desc_start; + extern struct machdep_calls __machine_desc_end; + + /* + * Iterate all ppc_md structures until we find the proper + * one for the current machine type + */ + DBG("Probing machine type ...\n"); + + for (machine_id = &__machine_desc_start; + machine_id < &__machine_desc_end; + machine_id++) { + DBG(" %s ...", machine_id->name); + memcpy(&ppc_md, machine_id, sizeof(struct machdep_calls)); + if (ppc_md.probe()) { + DBG(" match !\n"); + break; + } + DBG("\n"); + } + /* What can we do if we didn't find ? */ + if (machine_id >= &__machine_desc_end) { + DBG("No suitable machine found !\n"); + for (;;); + } + + printk(KERN_INFO "Using %s machine description\n", ppc_md.name); +} diff --git a/arch/powerpc/kernel/setup_32.c b/arch/powerpc/kernel/setup_32.c index dc2770df25b..a72bf5dceee 100644 --- a/arch/powerpc/kernel/setup_32.c +++ b/arch/powerpc/kernel/setup_32.c @@ -53,9 +53,6 @@ extern void platform_init(void); extern void bootx_init(unsigned long r4, unsigned long phys); -extern void ppc6xx_idle(void); -extern void power4_idle(void); - boot_infos_t *boot_infos; struct ide_machdep_calls ppc_ide_md; @@ -70,10 +67,6 @@ unsigned int DMA_MODE_WRITE; int have_of = 1; #ifdef CONFIG_PPC_MULTIPLATFORM -extern void prep_init(void); -extern void pmac_init(void); -extern void chrp_init(void); - dev_t boot_dev; #endif /* CONFIG_PPC_MULTIPLATFORM */ @@ -85,9 +78,6 @@ unsigned long SYSRQ_KEY = 0x54; unsigned long vgacon_remap_base; #endif -struct machdep_calls ppc_md; -EXPORT_SYMBOL(ppc_md); - /* * These are used in binfmt_elf.c to put aux entries on the stack * for each elf executable being started. @@ -111,7 +101,7 @@ unsigned long __init early_init(unsigned long dt_ptr) /* First zero the BSS -- use memset_io, some platforms don't have * caches on yet */ - memset_io(PTRRELOC(&__bss_start), 0, _end - __bss_start); + memset_io((void __iomem *)PTRRELOC(&__bss_start), 0, _end - __bss_start); /* * Identify the CPU type and fix up code sections @@ -123,48 +113,6 @@ unsigned long __init early_init(unsigned long dt_ptr) return KERNELBASE + offset; } -#ifdef CONFIG_PPC_MULTIPLATFORM -/* - * The PPC_MULTIPLATFORM version of platform_init... - */ -void __init platform_init(void) -{ - /* if we didn't get any bootinfo telling us what we are... */ - if (_machine == 0) { - /* prep boot loader tells us if we're prep or not */ - if ( *(unsigned long *)(KERNELBASE) == (0xdeadc0de) ) - _machine = _MACH_prep; - } - -#ifdef CONFIG_PPC_PREP - /* not much more to do here, if prep */ - if (_machine == _MACH_prep) { - prep_init(); - return; - } -#endif - -#ifdef CONFIG_ADB - if (strstr(cmd_line, "adb_sync")) { - extern int __adb_probe_sync; - __adb_probe_sync = 1; - } -#endif /* CONFIG_ADB */ - - switch (_machine) { -#ifdef CONFIG_PPC_PMAC - case _MACH_Pmac: - pmac_init(); - break; -#endif -#ifdef CONFIG_PPC_CHRP - case _MACH_chrp: - chrp_init(); - break; -#endif - } -} -#endif /* * Find out what kind of machine we're on and save any data we need @@ -190,11 +138,17 @@ void __init machine_init(unsigned long dt_ptr, unsigned long phys) strlcpy(cmd_line, CONFIG_CMDLINE, sizeof(cmd_line)); #endif /* CONFIG_CMDLINE */ - /* Base init based on machine type */ +#ifdef CONFIG_PPC_MULTIPLATFORM + probe_machine(); +#else + /* Base init based on machine type. Obsoloete, please kill ! */ platform_init(); +#endif #ifdef CONFIG_6xx - ppc_md.power_save = ppc6xx_idle; + if (cpu_has_feature(CPU_FTR_CAN_DOZE) || + cpu_has_feature(CPU_FTR_CAN_NAP)) + ppc_md.power_save = ppc6xx_idle; #endif if (ppc_md.progress) @@ -272,7 +226,7 @@ int __init ppc_init(void) if ( ppc_md.progress ) ppc_md.progress(" ", 0xffff); /* register CPU devices */ - for_each_cpu(i) + for_each_possible_cpu(i) register_cpu(&cpu_devices[i], i, NULL); /* call platform init */ @@ -352,12 +306,6 @@ void __init setup_arch(char **cmdline_p) do_init_bootmem(); if ( ppc_md.progress ) ppc_md.progress("setup_arch: bootmem", 0x3eab); -#ifdef CONFIG_PPC_OCP - /* Initialize OCP device list */ - ocp_early_init(); - if ( ppc_md.progress ) ppc_md.progress("ocp: exit", 0x3eab); -#endif - #ifdef CONFIG_DUMMY_CONSOLE conswitchp = &dummy_con; #endif @@ -366,7 +314,4 @@ void __init setup_arch(char **cmdline_p) if ( ppc_md.progress ) ppc_md.progress("arch: exit", 0x3eab); paging_init(); - - /* this is for modules since _machine can be a define -- Cort */ - ppc_md.ppc_machine = _machine; } diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c index e20c1fae342..59aa92cd6fa 100644 --- a/arch/powerpc/kernel/setup_64.c +++ b/arch/powerpc/kernel/setup_64.c @@ -73,7 +73,6 @@ int have_of = 1; int boot_cpuid = 0; -int boot_cpuid_phys = 0; dev_t boot_dev; u64 ppc64_pft_size; @@ -96,11 +95,6 @@ int dcache_bsize; int icache_bsize; int ucache_bsize; -/* The main machine-dep calls structure - */ -struct machdep_calls ppc_md; -EXPORT_SYMBOL(ppc_md); - #ifdef CONFIG_MAGIC_SYSRQ unsigned long SYSRQ_KEY; #endif /* CONFIG_MAGIC_SYSRQ */ @@ -161,32 +155,6 @@ early_param("smt-enabled", early_smt_enabled); #define check_smt_enabled() #endif /* CONFIG_SMP */ -extern struct machdep_calls pSeries_md; -extern struct machdep_calls pmac_md; -extern struct machdep_calls maple_md; -extern struct machdep_calls cell_md; -extern struct machdep_calls iseries_md; - -/* Ultimately, stuff them in an elf section like initcalls... */ -static struct machdep_calls __initdata *machines[] = { -#ifdef CONFIG_PPC_PSERIES - &pSeries_md, -#endif /* CONFIG_PPC_PSERIES */ -#ifdef CONFIG_PPC_PMAC - &pmac_md, -#endif /* CONFIG_PPC_PMAC */ -#ifdef CONFIG_PPC_MAPLE - &maple_md, -#endif /* CONFIG_PPC_MAPLE */ -#ifdef CONFIG_PPC_CELL - &cell_md, -#endif -#ifdef CONFIG_PPC_ISERIES - &iseries_md, -#endif - NULL -}; - /* * Early initialization entry point. This is called by head.S * with MMU translation disabled. We rely on the "feature" of @@ -208,13 +176,10 @@ static struct machdep_calls __initdata *machines[] = { void __init early_setup(unsigned long dt_ptr) { - struct paca_struct *lpaca = get_paca(); - static struct machdep_calls **mach; - /* Enable early debugging if any specified (see udbg.h) */ udbg_early_init(); - DBG(" -> early_setup()\n"); + DBG(" -> early_setup(), dt_ptr: 0x%lx\n", dt_ptr); /* * Do early initializations using the flattened device @@ -223,22 +188,16 @@ void __init early_setup(unsigned long dt_ptr) */ early_init_devtree(__va(dt_ptr)); - /* - * Iterate all ppc_md structures until we find the proper - * one for the current machine type - */ - DBG("Probing machine type for platform %x...\n", _machine); + /* Now we know the logical id of our boot cpu, setup the paca. */ + setup_boot_paca(); - for (mach = machines; *mach; mach++) { - if ((*mach)->probe(_machine)) - break; - } - /* What can we do if we didn't find ? */ - if (*mach == NULL) { - DBG("No suitable machine found !\n"); - for (;;); - } - ppc_md = **mach; + /* Fix up paca fields required for the boot cpu */ + get_paca()->cpu_start = 1; + get_paca()->stab_real = __pa((u64)&initial_stab); + get_paca()->stab_addr = (u64)&initial_stab; + + /* Probe the machine type */ + probe_machine(); #ifdef CONFIG_CRASH_DUMP kdump_setup(); @@ -260,7 +219,7 @@ void __init early_setup(unsigned long dt_ptr) if (cpu_has_feature(CPU_FTR_SLB)) slb_initialize(); else - stab_initialize(lpaca->stab_real); + stab_initialize(get_paca()->stab_real); } DBG(" <- early_setup()\n"); @@ -340,7 +299,7 @@ static void __init initialize_cache_info(void) const char *dc, *ic; /* Then read cache informations */ - if (_machine == PLATFORM_POWERMAC) { + if (machine_is(powermac)) { dc = "d-cache-block-size"; ic = "i-cache-block-size"; } else { @@ -484,7 +443,6 @@ void __init setup_system(void) printk("ppc64_pft_size = 0x%lx\n", ppc64_pft_size); printk("ppc64_interrupt_controller = 0x%ld\n", ppc64_interrupt_controller); - printk("platform = 0x%x\n", _machine); printk("physicalMemorySize = 0x%lx\n", lmb_phys_mem_size()); printk("ppc64_caches.dcache_line_size = 0x%x\n", ppc64_caches.dline_size); @@ -516,7 +474,7 @@ static void __init irqstack_early_init(void) * interrupt stacks must be under 256MB, we cannot afford to take * SLB misses on them. */ - for_each_cpu(i) { + for_each_possible_cpu(i) { softirq_ctx[i] = (struct thread_info *) __va(lmb_alloc_base(THREAD_SIZE, THREAD_SIZE, 0x10000000)); @@ -549,7 +507,7 @@ static void __init emergency_stack_init(void) */ limit = min(0x10000000UL, lmb.rmo_size); - for_each_cpu(i) + for_each_possible_cpu(i) paca[i].emergency_sp = __va(lmb_alloc_base(HW_PAGE_SIZE, 128, limit)) + HW_PAGE_SIZE; } @@ -602,12 +560,6 @@ void __init setup_arch(char **cmdline_p) ppc_md.setup_arch(); - /* Use the default idle loop if the platform hasn't provided one. */ - if (NULL == ppc_md.idle_loop) { - ppc_md.idle_loop = default_idle; - printk(KERN_INFO "Using default idle loop\n"); - } - paging_init(); ppc64_boot_msg(0x15, "Setup Done"); } @@ -672,7 +624,7 @@ void __init setup_per_cpu_areas(void) size = PERCPU_ENOUGH_ROOM; #endif - for_each_cpu(i) { + for_each_possible_cpu(i) { ptr = alloc_bootmem_node(NODE_DATA(cpu_to_node(i)), size); if (!ptr) panic("Cannot allocate cpu data for CPU %d\n", i); diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c index d7a4e814974..01e3c08cb55 100644 --- a/arch/powerpc/kernel/signal_32.c +++ b/arch/powerpc/kernel/signal_32.c @@ -42,6 +42,7 @@ #include <asm/uaccess.h> #include <asm/cacheflush.h> +#include <asm/syscalls.h> #include <asm/sigcontext.h> #include <asm/vdso.h> #ifdef CONFIG_PPC64 diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c index 47f910380a6..27f65b95184 100644 --- a/arch/powerpc/kernel/signal_64.c +++ b/arch/powerpc/kernel/signal_64.c @@ -33,6 +33,7 @@ #include <asm/pgtable.h> #include <asm/unistd.h> #include <asm/cacheflush.h> +#include <asm/syscalls.h> #include <asm/vdso.h> #define DEBUG_SIG 0 @@ -211,7 +212,7 @@ static inline void __user * get_sigframe(struct k_sigaction *ka, struct pt_regs /* Default to using normal stack */ newsp = regs->gpr[1]; - if (ka->sa.sa_flags & SA_ONSTACK) { + if ((ka->sa.sa_flags & SA_ONSTACK) && current->sas_ss_size) { if (! on_sig_stack(regs->gpr[1])) newsp = (current->sas_ss_sp + current->sas_ss_size); } diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c index 805eaedbc30..530f7dba0bd 100644 --- a/arch/powerpc/kernel/smp.c +++ b/arch/powerpc/kernel/smp.c @@ -362,7 +362,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus) smp_space_timers(max_cpus); - for_each_cpu(cpu) + for_each_possible_cpu(cpu) if (cpu != boot_cpuid) smp_create_idle(cpu); } diff --git a/arch/ppc/kernel/swsusp.S b/arch/powerpc/kernel/swsusp_32.S index 69773cc1a85..69773cc1a85 100644 --- a/arch/ppc/kernel/swsusp.S +++ b/arch/powerpc/kernel/swsusp_32.S diff --git a/arch/powerpc/kernel/syscalls.c b/arch/powerpc/kernel/syscalls.c index ad895c99813..9b69d99a910 100644 --- a/arch/powerpc/kernel/syscalls.c +++ b/arch/powerpc/kernel/syscalls.c @@ -40,6 +40,7 @@ #include <asm/uaccess.h> #include <asm/ipc.h> #include <asm/semaphore.h> +#include <asm/syscalls.h> #include <asm/time.h> #include <asm/unistd.h> diff --git a/arch/powerpc/kernel/sysfs.c b/arch/powerpc/kernel/sysfs.c index 0f0c3a9ae2e..73560ef6f80 100644 --- a/arch/powerpc/kernel/sysfs.c +++ b/arch/powerpc/kernel/sysfs.c @@ -65,20 +65,20 @@ static int __init smt_setup(void) unsigned int cpu; if (!cpu_has_feature(CPU_FTR_SMT)) - return 1; + return -ENODEV; options = find_path_device("/options"); if (!options) - return 1; + return -ENODEV; val = (unsigned int *)get_property(options, "ibm,smt-snooze-delay", NULL); if (!smt_snooze_cmdline && val) { - for_each_cpu(cpu) + for_each_possible_cpu(cpu) per_cpu(smt_snooze_delay, cpu) = *val; } - return 1; + return 0; } __initcall(smt_setup); @@ -93,7 +93,7 @@ static int __init setup_smt_snooze_delay(char *str) smt_snooze_cmdline = 1; if (get_option(&str, &snooze)) { - for_each_cpu(cpu) + for_each_possible_cpu(cpu) per_cpu(smt_snooze_delay, cpu) = snooze; } @@ -347,7 +347,7 @@ static int __init topology_init(void) register_cpu_notifier(&sysfs_cpu_nb); - for_each_cpu(cpu) { + for_each_possible_cpu(cpu) { struct cpu *c = &per_cpu(cpu_devices, cpu); #ifdef CONFIG_NUMA diff --git a/arch/ppc/kernel/temp.c b/arch/powerpc/kernel/tau_6xx.c index 26bd8ea35a4..26bd8ea35a4 100644 --- a/arch/ppc/kernel/temp.c +++ b/arch/powerpc/kernel/tau_6xx.c diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c index 4a27218a086..24e3ad756de 100644 --- a/arch/powerpc/kernel/time.c +++ b/arch/powerpc/kernel/time.c @@ -261,7 +261,7 @@ void snapshot_timebases(void) if (!cpu_has_feature(CPU_FTR_PURR)) return; - for_each_cpu(cpu) + for_each_possible_cpu(cpu) spin_lock_init(&per_cpu(cpu_purr_data, cpu).lock); on_each_cpu(snapshot_tb_and_purr, NULL, 0, 1); } @@ -751,7 +751,7 @@ void __init smp_space_timers(unsigned int max_cpus) * systems works better if the two threads' timebase interrupts * are staggered by half a jiffy with respect to each other. */ - for_each_cpu(i) { + for_each_possible_cpu(i) { if (i == boot_cpuid) continue; if (i == (boot_cpuid ^ 1)) diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c index 9763faab673..4cbde211eb6 100644 --- a/arch/powerpc/kernel/traps.c +++ b/arch/powerpc/kernel/traps.c @@ -97,7 +97,6 @@ static DEFINE_SPINLOCK(die_lock); int die(const char *str, struct pt_regs *regs, long err) { static int die_counter, crash_dump_start = 0; - int nl = 0; if (debugger(regs)) return 1; @@ -106,7 +105,7 @@ int die(const char *str, struct pt_regs *regs, long err) spin_lock_irq(&die_lock); bust_spinlocks(1); #ifdef CONFIG_PMAC_BACKLIGHT - if (_machine == _MACH_Pmac) { + if (machine_is(powermac)) { set_backlight_enable(1); set_backlight_level(BACKLIGHT_MAX); } @@ -114,46 +113,18 @@ int die(const char *str, struct pt_regs *regs, long err) printk("Oops: %s, sig: %ld [#%d]\n", str, err, ++die_counter); #ifdef CONFIG_PREEMPT printk("PREEMPT "); - nl = 1; #endif #ifdef CONFIG_SMP printk("SMP NR_CPUS=%d ", NR_CPUS); - nl = 1; #endif #ifdef CONFIG_DEBUG_PAGEALLOC printk("DEBUG_PAGEALLOC "); - nl = 1; #endif #ifdef CONFIG_NUMA printk("NUMA "); - nl = 1; #endif -#ifdef CONFIG_PPC64 - switch (_machine) { - case PLATFORM_PSERIES: - printk("PSERIES "); - nl = 1; - break; - case PLATFORM_PSERIES_LPAR: - printk("PSERIES LPAR "); - nl = 1; - break; - case PLATFORM_ISERIES_LPAR: - printk("ISERIES LPAR "); - nl = 1; - break; - case PLATFORM_POWERMAC: - printk("POWERMAC "); - nl = 1; - break; - case PLATFORM_CELL: - printk("CELL "); - nl = 1; - break; - } -#endif - if (nl) - printk("\n"); + printk("%s\n", ppc_md.name ? "" : ppc_md.name); + print_modules(); show_regs(regs); bust_spinlocks(0); diff --git a/arch/powerpc/kernel/vdso.c b/arch/powerpc/kernel/vdso.c index ec837036842..573afb68d69 100644 --- a/arch/powerpc/kernel/vdso.c +++ b/arch/powerpc/kernel/vdso.c @@ -33,6 +33,7 @@ #include <asm/machdep.h> #include <asm/cputable.h> #include <asm/sections.h> +#include <asm/firmware.h> #include <asm/vdso.h> #include <asm/vdso_datapage.h> @@ -667,7 +668,13 @@ void __init vdso_init(void) vdso_data->version.major = SYSTEMCFG_MAJOR; vdso_data->version.minor = SYSTEMCFG_MINOR; vdso_data->processor = mfspr(SPRN_PVR); - vdso_data->platform = _machine; + /* + * Fake the old platform number for pSeries and iSeries and add + * in LPAR bit if necessary + */ + vdso_data->platform = machine_is(iseries) ? 0x200 : 0x100; + if (firmware_has_feature(FW_FEATURE_LPAR)) + vdso_data->platform |= 1; vdso_data->physicalMemorySize = lmb_phys_mem_size(); vdso_data->dcache_size = ppc64_caches.dsize; vdso_data->dcache_line_size = ppc64_caches.dline_size; diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S index 7fa7b15fd8e..fe79c2584cb 100644 --- a/arch/powerpc/kernel/vmlinux.lds.S +++ b/arch/powerpc/kernel/vmlinux.lds.S @@ -1,9 +1,11 @@ #include <linux/config.h> #ifdef CONFIG_PPC64 #include <asm/page.h> +#define PROVIDE32(x) PROVIDE(__unused__##x) #else #define PAGE_SIZE 4096 #define KERNELBASE CONFIG_KERNEL_START +#define PROVIDE32(x) PROVIDE(x) #endif #include <asm-generic/vmlinux.lds.h> @@ -18,43 +20,42 @@ jiffies = jiffies_64 + 4; #endif SECTIONS { - /* Sections to be discarded. */ - /DISCARD/ : { - *(.exitcall.exit) - *(.exit.data) - } - - . = KERNELBASE; - - /* Read-only sections, merged into text segment: */ - .text : { - *(.text .text.*) - SCHED_TEXT - LOCK_TEXT - KPROBES_TEXT - *(.fixup) -#ifdef CONFIG_PPC32 - *(.got1) - __got2_start = .; - *(.got2) - __got2_end = .; -#else - . = ALIGN(PAGE_SIZE); - _etext = .; -#endif - } -#ifdef CONFIG_PPC32 - _etext = .; - PROVIDE (etext = .); + /* Sections to be discarded. */ + /DISCARD/ : { + *(.exitcall.exit) + *(.exit.data) + } - RODATA - .fini : { *(.fini) } =0 - .ctors : { *(.ctors) } - .dtors : { *(.dtors) } + . = KERNELBASE; - .fixup : { *(.fixup) } -#endif +/* + * Text, read only data and other permanent read-only sections + */ + + /* Text and gots */ + .text : { + *(.text .text.*) + SCHED_TEXT + LOCK_TEXT + KPROBES_TEXT + *(.fixup) +#ifdef CONFIG_PPC32 + *(.got1) + __got2_start = .; + *(.got2) + __got2_end = .; +#endif /* CONFIG_PPC32 */ + + . = ALIGN(PAGE_SIZE); + _etext = .; + PROVIDE32 (etext = .); + } + + /* Read-only data */ + RODATA + + /* Exception & bug tables */ __ex_table : { __start___ex_table = .; *(__ex_table) @@ -67,192 +68,172 @@ SECTIONS __stop___bug_table = .; } -#ifdef CONFIG_PPC64 +/* + * Init sections discarded at runtime + */ + . = ALIGN(PAGE_SIZE); + __init_begin = .; + + .init.text : { + _sinittext = .; + *(.init.text) + _einittext = .; + } + + /* .exit.text is discarded at runtime, not link time, + * to deal with references from __bug_table + */ + .exit.text : { *(.exit.text) } + + .init.data : { + *(.init.data); + __vtop_table_begin = .; + *(.vtop_fixup); + __vtop_table_end = .; + __ptov_table_begin = .; + *(.ptov_fixup); + __ptov_table_end = .; + } + + . = ALIGN(16); + .init.setup : { + __setup_start = .; + *(.init.setup) + __setup_end = .; + } + + .initcall.init : { + __initcall_start = .; + *(.initcall1.init) + *(.initcall2.init) + *(.initcall3.init) + *(.initcall4.init) + *(.initcall5.init) + *(.initcall6.init) + *(.initcall7.init) + __initcall_end = .; + } + + .con_initcall.init : { + __con_initcall_start = .; + *(.con_initcall.init) + __con_initcall_end = .; + } + + SECURITY_INIT + + . = ALIGN(8); __ftr_fixup : { __start___ftr_fixup = .; *(__ftr_fixup) __stop___ftr_fixup = .; } - RODATA -#endif + . = ALIGN(PAGE_SIZE); + .init.ramfs : { + __initramfs_start = .; + *(.init.ramfs) + __initramfs_end = .; + } #ifdef CONFIG_PPC32 - /* Read-write section, merged into data segment: */ - . = ALIGN(PAGE_SIZE); - _sdata = .; - .data : - { - *(.data) - *(.data1) - *(.sdata) - *(.sdata2) - *(.got.plt) *(.got) - *(.dynamic) - CONSTRUCTORS - } - - . = ALIGN(PAGE_SIZE); - __nosave_begin = .; - .data_nosave : { *(.data.nosave) } - . = ALIGN(PAGE_SIZE); - __nosave_end = .; - - . = ALIGN(32); - .data.cacheline_aligned : { *(.data.cacheline_aligned) } - - _edata = .; - PROVIDE (edata = .); - - . = ALIGN(8192); - .data.init_task : { *(.data.init_task) } + . = ALIGN(32); +#else + . = ALIGN(128); #endif + .data.percpu : { + __per_cpu_start = .; + *(.data.percpu) + __per_cpu_end = .; + } - /* will be freed after init */ - . = ALIGN(PAGE_SIZE); - __init_begin = .; - .init.text : { - _sinittext = .; - *(.init.text) - _einittext = .; - } -#ifdef CONFIG_PPC32 - /* .exit.text is discarded at runtime, not link time, - to deal with references from __bug_table */ - .exit.text : { *(.exit.text) } -#endif - .init.data : { - *(.init.data); - __vtop_table_begin = .; - *(.vtop_fixup); - __vtop_table_end = .; - __ptov_table_begin = .; - *(.ptov_fixup); - __ptov_table_end = .; - } - - . = ALIGN(16); - .init.setup : { - __setup_start = .; - *(.init.setup) - __setup_end = .; - } - - .initcall.init : { - __initcall_start = .; - *(.initcall1.init) - *(.initcall2.init) - *(.initcall3.init) - *(.initcall4.init) - *(.initcall5.init) - *(.initcall6.init) - *(.initcall7.init) - __initcall_end = .; - } - - .con_initcall.init : { - __con_initcall_start = .; - *(.con_initcall.init) - __con_initcall_end = .; - } - - SECURITY_INIT + . = ALIGN(8); + .machine.desc : { + __machine_desc_start = . ; + *(.machine.desc) + __machine_desc_end = . ; + } + + /* freed after init ends here */ + . = ALIGN(PAGE_SIZE); + __init_end = .; + +/* + * And now the various read/write data + */ + + . = ALIGN(PAGE_SIZE); + _sdata = .; #ifdef CONFIG_PPC32 - __start___ftr_fixup = .; - __ftr_fixup : { *(__ftr_fixup) } - __stop___ftr_fixup = .; + .data : + { + *(.data) + *(.sdata) + *(.got.plt) *(.got) + } #else - . = ALIGN(PAGE_SIZE); - .init.ramfs : { - __initramfs_start = .; - *(.init.ramfs) - __initramfs_end = .; - } -#endif + .data : { + *(.data .data.rel* .toc1) + *(.branch_lt) + } -#ifdef CONFIG_PPC32 - . = ALIGN(32); + .opd : { + *(.opd) + } + + .got : { + __toc_start = .; + *(.got) + *(.toc) + } #endif - .data.percpu : { - __per_cpu_start = .; - *(.data.percpu) - __per_cpu_end = .; - } - . = ALIGN(PAGE_SIZE); -#ifdef CONFIG_PPC64 - . = ALIGN(16384); - __init_end = .; - /* freed after init ends here */ - - /* Read/write sections */ - . = ALIGN(PAGE_SIZE); - . = ALIGN(16384); - _sdata = .; - /* The initial task and kernel stack */ - .data.init_task : { - *(.data.init_task) - } - - . = ALIGN(PAGE_SIZE); - .data.page_aligned : { - *(.data.page_aligned) - } - - .data.cacheline_aligned : { - *(.data.cacheline_aligned) - } - - .data : { - *(.data .data.rel* .toc1) - *(.branch_lt) - } - - .opd : { - *(.opd) - } - - .got : { - __toc_start = .; - *(.got) - *(.toc) - . = ALIGN(PAGE_SIZE); - _edata = .; - } - - . = ALIGN(PAGE_SIZE); + . = ALIGN(PAGE_SIZE); + _edata = .; + PROVIDE32 (edata = .); + + /* The initial task and kernel stack */ +#ifdef CONFIG_PPC32 + . = ALIGN(8192); #else - __initramfs_start = .; - .init.ramfs : { - *(.init.ramfs) - } - __initramfs_end = .; + . = ALIGN(16384); +#endif + .data.init_task : { + *(.data.init_task) + } - . = ALIGN(4096); - __init_end = .; + . = ALIGN(PAGE_SIZE); + .data.page_aligned : { + *(.data.page_aligned) + } - . = ALIGN(4096); - _sextratext = .; - _eextratext = .; + .data.cacheline_aligned : { + *(.data.cacheline_aligned) + } - __bss_start = .; -#endif + . = ALIGN(PAGE_SIZE); + __data_nosave : { + __nosave_begin = .; + *(.data.nosave) + . = ALIGN(PAGE_SIZE); + __nosave_end = .; + } - .bss : { - __bss_start = .; - *(.sbss) *(.scommon) - *(.dynbss) - *(.bss) - *(COMMON) - __bss_stop = .; - } +/* + * And finally the bss + */ + + .bss : { + __bss_start = .; + *(.sbss) *(.scommon) + *(.dynbss) + *(.bss) + *(COMMON) + __bss_stop = .; + } -#ifdef CONFIG_PPC64 - . = ALIGN(PAGE_SIZE); -#endif - _end = . ; -#ifdef CONFIG_PPC32 - PROVIDE (end = .); -#endif + . = ALIGN(PAGE_SIZE); + _end = . ; + PROVIDE32 (end = .); } diff --git a/arch/powerpc/lib/sstep.c b/arch/powerpc/lib/sstep.c index 666c2aa5501..c251d993661 100644 --- a/arch/powerpc/lib/sstep.c +++ b/arch/powerpc/lib/sstep.c @@ -18,7 +18,7 @@ extern char system_call_common[]; #ifdef CONFIG_PPC64 /* Bits in SRR1 that are copied from MSR */ -#define MSR_MASK 0xffffffff87c0ffff +#define MSR_MASK 0xffffffff87c0ffffUL #else #define MSR_MASK 0x87c0ffff #endif diff --git a/arch/ppc/math-emu/Makefile b/arch/powerpc/math-emu/Makefile index 754143e8936..754143e8936 100644 --- a/arch/ppc/math-emu/Makefile +++ b/arch/powerpc/math-emu/Makefile diff --git a/arch/ppc/math-emu/double.h b/arch/powerpc/math-emu/double.h index ffba8b67f05..ffba8b67f05 100644 --- a/arch/ppc/math-emu/double.h +++ b/arch/powerpc/math-emu/double.h diff --git a/arch/ppc/math-emu/fabs.c b/arch/powerpc/math-emu/fabs.c index 41f0617f3d3..41f0617f3d3 100644 --- a/arch/ppc/math-emu/fabs.c +++ b/arch/powerpc/math-emu/fabs.c diff --git a/arch/ppc/math-emu/fadd.c b/arch/powerpc/math-emu/fadd.c index fc8836488b6..fc8836488b6 100644 --- a/arch/ppc/math-emu/fadd.c +++ b/arch/powerpc/math-emu/fadd.c diff --git a/arch/ppc/math-emu/fadds.c b/arch/powerpc/math-emu/fadds.c index 93025b6c8f3..93025b6c8f3 100644 --- a/arch/ppc/math-emu/fadds.c +++ b/arch/powerpc/math-emu/fadds.c diff --git a/arch/ppc/math-emu/fcmpo.c b/arch/powerpc/math-emu/fcmpo.c index 4efac394b4c..4efac394b4c 100644 --- a/arch/ppc/math-emu/fcmpo.c +++ b/arch/powerpc/math-emu/fcmpo.c diff --git a/arch/ppc/math-emu/fcmpu.c b/arch/powerpc/math-emu/fcmpu.c index b7e33176e61..b7e33176e61 100644 --- a/arch/ppc/math-emu/fcmpu.c +++ b/arch/powerpc/math-emu/fcmpu.c diff --git a/arch/ppc/math-emu/fctiw.c b/arch/powerpc/math-emu/fctiw.c index 3b3c98b840c..3b3c98b840c 100644 --- a/arch/ppc/math-emu/fctiw.c +++ b/arch/powerpc/math-emu/fctiw.c diff --git a/arch/ppc/math-emu/fctiwz.c b/arch/powerpc/math-emu/fctiwz.c index 7717eb6fcfb..7717eb6fcfb 100644 --- a/arch/ppc/math-emu/fctiwz.c +++ b/arch/powerpc/math-emu/fctiwz.c diff --git a/arch/ppc/math-emu/fdiv.c b/arch/powerpc/math-emu/fdiv.c index f2fba825b2d..f2fba825b2d 100644 --- a/arch/ppc/math-emu/fdiv.c +++ b/arch/powerpc/math-emu/fdiv.c diff --git a/arch/ppc/math-emu/fdivs.c b/arch/powerpc/math-emu/fdivs.c index b971196e317..b971196e317 100644 --- a/arch/ppc/math-emu/fdivs.c +++ b/arch/powerpc/math-emu/fdivs.c diff --git a/arch/ppc/math-emu/fmadd.c b/arch/powerpc/math-emu/fmadd.c index 0a1dbce793e..0a1dbce793e 100644 --- a/arch/ppc/math-emu/fmadd.c +++ b/arch/powerpc/math-emu/fmadd.c diff --git a/arch/ppc/math-emu/fmadds.c b/arch/powerpc/math-emu/fmadds.c index 0f70bba9445..0f70bba9445 100644 --- a/arch/ppc/math-emu/fmadds.c +++ b/arch/powerpc/math-emu/fmadds.c diff --git a/arch/ppc/math-emu/fmr.c b/arch/powerpc/math-emu/fmr.c index 28df700c0c7..28df700c0c7 100644 --- a/arch/ppc/math-emu/fmr.c +++ b/arch/powerpc/math-emu/fmr.c diff --git a/arch/ppc/math-emu/fmsub.c b/arch/powerpc/math-emu/fmsub.c index 203fd48a6fe..203fd48a6fe 100644 --- a/arch/ppc/math-emu/fmsub.c +++ b/arch/powerpc/math-emu/fmsub.c diff --git a/arch/ppc/math-emu/fmsubs.c b/arch/powerpc/math-emu/fmsubs.c index 8ce68624c18..8ce68624c18 100644 --- a/arch/ppc/math-emu/fmsubs.c +++ b/arch/powerpc/math-emu/fmsubs.c diff --git a/arch/ppc/math-emu/fmul.c b/arch/powerpc/math-emu/fmul.c index 66c7e79aae2..66c7e79aae2 100644 --- a/arch/ppc/math-emu/fmul.c +++ b/arch/powerpc/math-emu/fmul.c diff --git a/arch/ppc/math-emu/fmuls.c b/arch/powerpc/math-emu/fmuls.c index 26bc4278271..26bc4278271 100644 --- a/arch/ppc/math-emu/fmuls.c +++ b/arch/powerpc/math-emu/fmuls.c diff --git a/arch/ppc/math-emu/fnabs.c b/arch/powerpc/math-emu/fnabs.c index c6b913d179e..c6b913d179e 100644 --- a/arch/ppc/math-emu/fnabs.c +++ b/arch/powerpc/math-emu/fnabs.c diff --git a/arch/ppc/math-emu/fneg.c b/arch/powerpc/math-emu/fneg.c index fe9a98deff6..fe9a98deff6 100644 --- a/arch/ppc/math-emu/fneg.c +++ b/arch/powerpc/math-emu/fneg.c diff --git a/arch/ppc/math-emu/fnmadd.c b/arch/powerpc/math-emu/fnmadd.c index 7f312276d92..7f312276d92 100644 --- a/arch/ppc/math-emu/fnmadd.c +++ b/arch/powerpc/math-emu/fnmadd.c diff --git a/arch/ppc/math-emu/fnmadds.c b/arch/powerpc/math-emu/fnmadds.c index 65454c9c70b..65454c9c70b 100644 --- a/arch/ppc/math-emu/fnmadds.c +++ b/arch/powerpc/math-emu/fnmadds.c diff --git a/arch/ppc/math-emu/fnmsub.c b/arch/powerpc/math-emu/fnmsub.c index f1ca7482b5f..f1ca7482b5f 100644 --- a/arch/ppc/math-emu/fnmsub.c +++ b/arch/powerpc/math-emu/fnmsub.c diff --git a/arch/ppc/math-emu/fnmsubs.c b/arch/powerpc/math-emu/fnmsubs.c index 5c9a09a87dc..5c9a09a87dc 100644 --- a/arch/ppc/math-emu/fnmsubs.c +++ b/arch/powerpc/math-emu/fnmsubs.c diff --git a/arch/ppc/math-emu/fres.c b/arch/powerpc/math-emu/fres.c index ec11e46d20a..ec11e46d20a 100644 --- a/arch/ppc/math-emu/fres.c +++ b/arch/powerpc/math-emu/fres.c diff --git a/arch/ppc/math-emu/frsp.c b/arch/powerpc/math-emu/frsp.c index d879b2a3d0c..d879b2a3d0c 100644 --- a/arch/ppc/math-emu/frsp.c +++ b/arch/powerpc/math-emu/frsp.c diff --git a/arch/ppc/math-emu/frsqrte.c b/arch/powerpc/math-emu/frsqrte.c index a11ae182985..a11ae182985 100644 --- a/arch/ppc/math-emu/frsqrte.c +++ b/arch/powerpc/math-emu/frsqrte.c diff --git a/arch/ppc/math-emu/fsel.c b/arch/powerpc/math-emu/fsel.c index e36e6e72819..e36e6e72819 100644 --- a/arch/ppc/math-emu/fsel.c +++ b/arch/powerpc/math-emu/fsel.c diff --git a/arch/ppc/math-emu/fsqrt.c b/arch/powerpc/math-emu/fsqrt.c index 6f8319f64a8..6f8319f64a8 100644 --- a/arch/ppc/math-emu/fsqrt.c +++ b/arch/powerpc/math-emu/fsqrt.c diff --git a/arch/ppc/math-emu/fsqrts.c b/arch/powerpc/math-emu/fsqrts.c index 3b2b1cf55c1..3b2b1cf55c1 100644 --- a/arch/ppc/math-emu/fsqrts.c +++ b/arch/powerpc/math-emu/fsqrts.c diff --git a/arch/ppc/math-emu/fsub.c b/arch/powerpc/math-emu/fsub.c index 956679042bb..956679042bb 100644 --- a/arch/ppc/math-emu/fsub.c +++ b/arch/powerpc/math-emu/fsub.c diff --git a/arch/ppc/math-emu/fsubs.c b/arch/powerpc/math-emu/fsubs.c index 3428117dfe8..3428117dfe8 100644 --- a/arch/ppc/math-emu/fsubs.c +++ b/arch/powerpc/math-emu/fsubs.c diff --git a/arch/ppc/math-emu/lfd.c b/arch/powerpc/math-emu/lfd.c index 7d38101c329..7d38101c329 100644 --- a/arch/ppc/math-emu/lfd.c +++ b/arch/powerpc/math-emu/lfd.c diff --git a/arch/ppc/math-emu/lfs.c b/arch/powerpc/math-emu/lfs.c index c86dee3d765..c86dee3d765 100644 --- a/arch/ppc/math-emu/lfs.c +++ b/arch/powerpc/math-emu/lfs.c diff --git a/arch/ppc/math-emu/math.c b/arch/powerpc/math-emu/math.c index 58915347276..58915347276 100644 --- a/arch/ppc/math-emu/math.c +++ b/arch/powerpc/math-emu/math.c diff --git a/arch/ppc/math-emu/mcrfs.c b/arch/powerpc/math-emu/mcrfs.c index 106dd912914..106dd912914 100644 --- a/arch/ppc/math-emu/mcrfs.c +++ b/arch/powerpc/math-emu/mcrfs.c diff --git a/arch/ppc/math-emu/mffs.c b/arch/powerpc/math-emu/mffs.c index f477c9170e7..f477c9170e7 100644 --- a/arch/ppc/math-emu/mffs.c +++ b/arch/powerpc/math-emu/mffs.c diff --git a/arch/ppc/math-emu/mtfsb0.c b/arch/powerpc/math-emu/mtfsb0.c index 99bfd80f4af..99bfd80f4af 100644 --- a/arch/ppc/math-emu/mtfsb0.c +++ b/arch/powerpc/math-emu/mtfsb0.c diff --git a/arch/ppc/math-emu/mtfsb1.c b/arch/powerpc/math-emu/mtfsb1.c index 3d9e7ed92d2..3d9e7ed92d2 100644 --- a/arch/ppc/math-emu/mtfsb1.c +++ b/arch/powerpc/math-emu/mtfsb1.c diff --git a/arch/ppc/math-emu/mtfsf.c b/arch/powerpc/math-emu/mtfsf.c index d70cf714994..d70cf714994 100644 --- a/arch/ppc/math-emu/mtfsf.c +++ b/arch/powerpc/math-emu/mtfsf.c diff --git a/arch/ppc/math-emu/mtfsfi.c b/arch/powerpc/math-emu/mtfsfi.c index 71df854baa7..71df854baa7 100644 --- a/arch/ppc/math-emu/mtfsfi.c +++ b/arch/powerpc/math-emu/mtfsfi.c diff --git a/arch/ppc/math-emu/op-1.h b/arch/powerpc/math-emu/op-1.h index c92fa95f562..c92fa95f562 100644 --- a/arch/ppc/math-emu/op-1.h +++ b/arch/powerpc/math-emu/op-1.h diff --git a/arch/ppc/math-emu/op-2.h b/arch/powerpc/math-emu/op-2.h index b9b06b4c6ea..b9b06b4c6ea 100644 --- a/arch/ppc/math-emu/op-2.h +++ b/arch/powerpc/math-emu/op-2.h diff --git a/arch/ppc/math-emu/op-4.h b/arch/powerpc/math-emu/op-4.h index fcdd6d064c5..fcdd6d064c5 100644 --- a/arch/ppc/math-emu/op-4.h +++ b/arch/powerpc/math-emu/op-4.h diff --git a/arch/ppc/math-emu/op-common.h b/arch/powerpc/math-emu/op-common.h index afb82b6498c..afb82b6498c 100644 --- a/arch/ppc/math-emu/op-common.h +++ b/arch/powerpc/math-emu/op-common.h diff --git a/arch/ppc/math-emu/sfp-machine.h b/arch/powerpc/math-emu/sfp-machine.h index 4b17d83cfcd..4b17d83cfcd 100644 --- a/arch/ppc/math-emu/sfp-machine.h +++ b/arch/powerpc/math-emu/sfp-machine.h diff --git a/arch/ppc/math-emu/single.h b/arch/powerpc/math-emu/single.h index f19d9945181..f19d9945181 100644 --- a/arch/ppc/math-emu/single.h +++ b/arch/powerpc/math-emu/single.h diff --git a/arch/ppc/math-emu/soft-fp.h b/arch/powerpc/math-emu/soft-fp.h index cca39598f87..cca39598f87 100644 --- a/arch/ppc/math-emu/soft-fp.h +++ b/arch/powerpc/math-emu/soft-fp.h diff --git a/arch/ppc/math-emu/stfd.c b/arch/powerpc/math-emu/stfd.c index 3f8c2558a9e..3f8c2558a9e 100644 --- a/arch/ppc/math-emu/stfd.c +++ b/arch/powerpc/math-emu/stfd.c diff --git a/arch/ppc/math-emu/stfiwx.c b/arch/powerpc/math-emu/stfiwx.c index 95caaeec6a0..95caaeec6a0 100644 --- a/arch/ppc/math-emu/stfiwx.c +++ b/arch/powerpc/math-emu/stfiwx.c diff --git a/arch/ppc/math-emu/stfs.c b/arch/powerpc/math-emu/stfs.c index e87ca23c6dc..e87ca23c6dc 100644 --- a/arch/ppc/math-emu/stfs.c +++ b/arch/powerpc/math-emu/stfs.c diff --git a/arch/ppc/math-emu/types.c b/arch/powerpc/math-emu/types.c index e1ed15d829d..e1ed15d829d 100644 --- a/arch/ppc/math-emu/types.c +++ b/arch/powerpc/math-emu/types.c diff --git a/arch/ppc/math-emu/udivmodti4.c b/arch/powerpc/math-emu/udivmodti4.c index 7e112dc1e2f..7e112dc1e2f 100644 --- a/arch/ppc/math-emu/udivmodti4.c +++ b/arch/powerpc/math-emu/udivmodti4.c diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c index ec4adcb4bc2..5aea0909a5e 100644 --- a/arch/powerpc/mm/fault.c +++ b/arch/powerpc/mm/fault.c @@ -267,25 +267,29 @@ good_area: #endif #if defined(CONFIG_4xx) || defined(CONFIG_BOOKE) pte_t *ptep; + pmd_t *pmdp; /* Since 4xx/Book-E supports per-page execute permission, * we lazily flush dcache to icache. */ ptep = NULL; - if (get_pteptr(mm, address, &ptep) && pte_present(*ptep)) { - struct page *page = pte_page(*ptep); - - if (! test_bit(PG_arch_1, &page->flags)) { - flush_dcache_icache_page(page); - set_bit(PG_arch_1, &page->flags); + if (get_pteptr(mm, address, &ptep, &pmdp)) { + spinlock_t *ptl = pte_lockptr(mm, pmdp); + spin_lock(ptl); + if (pte_present(*ptep)) { + struct page *page = pte_page(*ptep); + + if (!test_bit(PG_arch_1, &page->flags)) { + flush_dcache_icache_page(page); + set_bit(PG_arch_1, &page->flags); + } + pte_update(ptep, 0, _PAGE_HWEXEC); + _tlbie(address); + pte_unmap_unlock(ptep, ptl); + up_read(&mm->mmap_sem); + return 0; } - pte_update(ptep, 0, _PAGE_HWEXEC); - _tlbie(address); - pte_unmap(ptep); - up_read(&mm->mmap_sem); - return 0; + pte_unmap_unlock(ptep, ptl); } - if (ptep != NULL) - pte_unmap(ptep); #endif /* a write */ } else if (is_write) { diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c index 89b35c18131..c006d903963 100644 --- a/arch/powerpc/mm/hash_utils_64.c +++ b/arch/powerpc/mm/hash_utils_64.c @@ -167,7 +167,7 @@ int htab_bolt_mapping(unsigned long vstart, unsigned long vend, * normal insert callback here. */ #ifdef CONFIG_PPC_ISERIES - if (_machine == PLATFORM_ISERIES_LPAR) + if (machine_is(iseries)) ret = iSeries_hpte_insert(hpteg, va, paddr, tmp_mode, @@ -176,7 +176,7 @@ int htab_bolt_mapping(unsigned long vstart, unsigned long vend, else #endif #ifdef CONFIG_PPC_PSERIES - if (_machine & PLATFORM_LPAR) + if (machine_is(pseries) && firmware_has_feature(FW_FEATURE_LPAR)) ret = pSeries_lpar_hpte_insert(hpteg, va, paddr, tmp_mode, @@ -295,8 +295,7 @@ static void __init htab_init_page_sizes(void) * Not in the device-tree, let's fallback on known size * list for 16M capable GP & GR */ - if ((_machine != PLATFORM_ISERIES_LPAR) && - cpu_has_feature(CPU_FTR_16M_PAGE)) + if (cpu_has_feature(CPU_FTR_16M_PAGE) && !machine_is(iseries)) memcpy(mmu_psize_defs, mmu_psize_defaults_gp, sizeof(mmu_psize_defaults_gp)); found: diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c index 5e435a9c343..741dd8802d4 100644 --- a/arch/powerpc/mm/mem.c +++ b/arch/powerpc/mm/mem.c @@ -342,7 +342,7 @@ void __init mem_init(void) #ifdef CONFIG_NEED_MULTIPLE_NODES for_each_online_node(nid) { if (NODE_DATA(nid)->node_spanned_pages != 0) { - printk("freeing bootmem node %x\n", nid); + printk("freeing bootmem node %d\n", nid); totalram_pages += free_all_bootmem_node(NODE_DATA(nid)); } diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c index e89b22aa539..0a335f34974 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -756,6 +756,7 @@ int hot_add_scn_to_nid(unsigned long scn_addr) struct device_node *memory = NULL; nodemask_t nodes; int default_nid = any_online_node(NODE_MASK_ALL); + int nid; if (!numa_enabled || (min_common_depth < 0)) return default_nid; @@ -790,6 +791,7 @@ ha_new_range: goto ha_new_range; } BUG(); /* section address should be found above */ + return 0; /* Temporary code to ensure that returned node is not empty */ got_nid: diff --git a/arch/powerpc/mm/pgtable_32.c b/arch/powerpc/mm/pgtable_32.c index d296eb6b454..90628601fac 100644 --- a/arch/powerpc/mm/pgtable_32.c +++ b/arch/powerpc/mm/pgtable_32.c @@ -372,7 +372,7 @@ void __init io_block_mapping(unsigned long virt, phys_addr_t phys, * the PTE pointer is unmodified if PTE is not found. */ int -get_pteptr(struct mm_struct *mm, unsigned long addr, pte_t **ptep) +get_pteptr(struct mm_struct *mm, unsigned long addr, pte_t **ptep, pmd_t **pmdp) { pgd_t *pgd; pmd_t *pmd; @@ -387,6 +387,8 @@ get_pteptr(struct mm_struct *mm, unsigned long addr, pte_t **ptep) if (pte) { retval = 1; *ptep = pte; + if (pmdp) + *pmdp = pmd; /* XXX caller needs to do pte_unmap, yuck */ } } @@ -424,7 +426,7 @@ unsigned long iopa(unsigned long addr) mm = &init_mm; pa = 0; - if (get_pteptr(mm, addr, &pte)) { + if (get_pteptr(mm, addr, &pte, NULL)) { pa = (pte_val(*pte) & PAGE_MASK) | (addr & ~PAGE_MASK); pte_unmap(pte); } diff --git a/arch/powerpc/mm/stab.c b/arch/powerpc/mm/stab.c index 91d25fb27f8..4a9291d9fef 100644 --- a/arch/powerpc/mm/stab.c +++ b/arch/powerpc/mm/stab.c @@ -239,7 +239,7 @@ void stabs_alloc(void) if (cpu_has_feature(CPU_FTR_SLB)) return; - for_each_cpu(cpu) { + for_each_possible_cpu(cpu) { unsigned long newstab; if (cpu == 0) diff --git a/arch/powerpc/oprofile/Makefile b/arch/powerpc/oprofile/Makefile index 554cd7c7532..f5f9859a833 100644 --- a/arch/powerpc/oprofile/Makefile +++ b/arch/powerpc/oprofile/Makefile @@ -6,7 +6,7 @@ DRIVER_OBJS := $(addprefix ../../../drivers/oprofile/, \ oprofilefs.o oprofile_stats.o \ timer_int.o ) -oprofile-y := $(DRIVER_OBJS) common.o +oprofile-y := $(DRIVER_OBJS) common.o backtrace.o oprofile-$(CONFIG_PPC64) += op_model_rs64.o op_model_power4.o oprofile-$(CONFIG_FSL_BOOKE) += op_model_fsl_booke.o oprofile-$(CONFIG_PPC32) += op_model_7450.o diff --git a/arch/powerpc/oprofile/backtrace.c b/arch/powerpc/oprofile/backtrace.c new file mode 100644 index 00000000000..75f57bc96b4 --- /dev/null +++ b/arch/powerpc/oprofile/backtrace.c @@ -0,0 +1,126 @@ +/** + * Copyright (C) 2005 Brian Rogan <bcr6@cornell.edu>, IBM + * + * 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/oprofile.h> +#include <linux/sched.h> +#include <asm/processor.h> +#include <asm/uaccess.h> + +#define STACK_SP(STACK) *(STACK) + +#define STACK_LR64(STACK) *((unsigned long *)(STACK) + 2) +#define STACK_LR32(STACK) *((unsigned int *)(STACK) + 1) + +#ifdef CONFIG_PPC64 +#define STACK_LR(STACK) STACK_LR64(STACK) +#else +#define STACK_LR(STACK) STACK_LR32(STACK) +#endif + +static unsigned int user_getsp32(unsigned int sp, int is_first) +{ + unsigned int stack_frame[2]; + + if (!access_ok(VERIFY_READ, sp, sizeof(stack_frame))) + return 0; + + /* + * The most likely reason for this is that we returned -EFAULT, + * which means that we've done all that we can do from + * interrupt context. + */ + if (__copy_from_user_inatomic(stack_frame, (void *)(long)sp, + sizeof(stack_frame))) + return 0; + + if (!is_first) + oprofile_add_trace(STACK_LR32(stack_frame)); + + /* + * We do not enforce increasing stack addresses here because + * we may transition to a different stack, eg a signal handler. + */ + return STACK_SP(stack_frame); +} + +#ifdef CONFIG_PPC64 +static unsigned long user_getsp64(unsigned long sp, int is_first) +{ + unsigned long stack_frame[3]; + + if (!access_ok(VERIFY_READ, sp, sizeof(stack_frame))) + return 0; + + if (__copy_from_user_inatomic(stack_frame, (void *)sp, + sizeof(stack_frame))) + return 0; + + if (!is_first) + oprofile_add_trace(STACK_LR64(stack_frame)); + + return STACK_SP(stack_frame); +} +#endif + +static unsigned long kernel_getsp(unsigned long sp, int is_first) +{ + unsigned long *stack_frame = (unsigned long *)sp; + + if (!validate_sp(sp, current, STACK_FRAME_OVERHEAD)) + return 0; + + if (!is_first) + oprofile_add_trace(STACK_LR(stack_frame)); + + /* + * We do not enforce increasing stack addresses here because + * we might be transitioning from an interrupt stack to a kernel + * stack. validate_sp() is designed to understand this, so just + * use it. + */ + return STACK_SP(stack_frame); +} + +void op_powerpc_backtrace(struct pt_regs * const regs, unsigned int depth) +{ + unsigned long sp = regs->gpr[1]; + int first_frame = 1; + + /* We ditch the top stackframe so need to loop through an extra time */ + depth += 1; + + if (!user_mode(regs)) { + while (depth--) { + sp = kernel_getsp(sp, first_frame); + if (!sp) + break; + first_frame = 0; + } + } else { +#ifdef CONFIG_PPC64 + if (!test_thread_flag(TIF_32BIT)) { + while (depth--) { + sp = user_getsp64(sp, first_frame); + if (!sp) + break; + first_frame = 0; + } + + return; + } +#endif + + while (depth--) { + sp = user_getsp32(sp, first_frame); + if (!sp) + break; + first_frame = 0; + } + } +} diff --git a/arch/powerpc/oprofile/common.c b/arch/powerpc/oprofile/common.c index cc2535be3a7..5b1de7e8041 100644 --- a/arch/powerpc/oprofile/common.c +++ b/arch/powerpc/oprofile/common.c @@ -117,18 +117,10 @@ static int op_powerpc_create_files(struct super_block *sb, struct dentry *root) oprofilefs_create_ulong(sb, root, "enable_kernel", &sys.enable_kernel); oprofilefs_create_ulong(sb, root, "enable_user", &sys.enable_user); -#ifdef CONFIG_PPC64 - oprofilefs_create_ulong(sb, root, "backtrace_spinlocks", - &sys.backtrace_spinlocks); -#endif /* Default to tracing both kernel and user */ sys.enable_kernel = 1; sys.enable_user = 1; -#ifdef CONFIG_PPC64 - /* Turn on backtracing through spinlocks by default */ - sys.backtrace_spinlocks = 1; -#endif return 0; } @@ -168,6 +160,7 @@ int __init oprofile_arch_init(struct oprofile_operations *ops) ops->shutdown = op_powerpc_shutdown; ops->start = op_powerpc_start; ops->stop = op_powerpc_stop; + ops->backtrace = op_powerpc_backtrace; printk(KERN_INFO "oprofile: using %s performance monitoring.\n", ops->cpu_type); diff --git a/arch/powerpc/oprofile/op_model_7450.c b/arch/powerpc/oprofile/op_model_7450.c index 32abfdbb0eb..e0491c3c71f 100644 --- a/arch/powerpc/oprofile/op_model_7450.c +++ b/arch/powerpc/oprofile/op_model_7450.c @@ -176,13 +176,13 @@ static void fsl7450_handle_interrupt(struct pt_regs *regs, mtmsr(mfmsr() | MSR_PMM); pc = mfspr(SPRN_SIAR); - is_kernel = (pc >= KERNELBASE); + is_kernel = is_kernel_addr(pc); for (i = 0; i < NUM_CTRS; ++i) { val = ctr_read(i); if (val < 0) { if (oprofile_running && ctr[i].enabled) { - oprofile_add_pc(pc, is_kernel, i); + oprofile_add_ext_sample(pc, regs, i, is_kernel); ctr_write(i, reset_value[i]); } else { ctr_write(i, 0); diff --git a/arch/powerpc/oprofile/op_model_fsl_booke.c b/arch/powerpc/oprofile/op_model_fsl_booke.c index 26539cda602..93d63e62662 100644 --- a/arch/powerpc/oprofile/op_model_fsl_booke.c +++ b/arch/powerpc/oprofile/op_model_fsl_booke.c @@ -154,13 +154,13 @@ static void fsl_booke_handle_interrupt(struct pt_regs *regs, mtmsr(mfmsr() | MSR_PMM); pc = regs->nip; - is_kernel = (pc >= KERNELBASE); + is_kernel = is_kernel_addr(pc); for (i = 0; i < num_counters; ++i) { val = ctr_read(i); if (val < 0) { if (oprofile_running && ctr[i].enabled) { - oprofile_add_pc(pc, is_kernel, i); + oprofile_add_ext_sample(pc, regs, i, is_kernel); ctr_write(i, reset_value[i]); } else { ctr_write(i, 0); diff --git a/arch/powerpc/oprofile/op_model_power4.c b/arch/powerpc/oprofile/op_model_power4.c index 4b06e53eb9b..4c2beab1fdc 100644 --- a/arch/powerpc/oprofile/op_model_power4.c +++ b/arch/powerpc/oprofile/op_model_power4.c @@ -25,18 +25,14 @@ static unsigned long reset_value[OP_MAX_COUNTER]; static int oprofile_running; static int mmcra_has_sihv; +/* Unfortunately these bits vary between CPUs */ +static unsigned long mmcra_sihv = MMCRA_SIHV; +static unsigned long mmcra_sipr = MMCRA_SIPR; /* mmcr values are set in power4_reg_setup, used in power4_cpu_setup */ static u32 mmcr0_val; static u64 mmcr1_val; -static u32 mmcra_val; - -/* - * Since we do not have an NMI, backtracing through spinlocks is - * only a best guess. In light of this, allow it to be disabled at - * runtime. - */ -static int backtrace_spinlocks; +static u64 mmcra_val; static void power4_reg_setup(struct op_counter_config *ctr, struct op_system_config *sys, @@ -63,8 +59,6 @@ static void power4_reg_setup(struct op_counter_config *ctr, mmcr1_val = sys->mmcr1; mmcra_val = sys->mmcra; - backtrace_spinlocks = sys->backtrace_spinlocks; - for (i = 0; i < cur_cpu_spec->num_pmcs; ++i) reset_value[i] = 0x80000000UL - ctr[i].count; @@ -197,25 +191,6 @@ static void __attribute_used__ kernel_unknown_bucket(void) { } -static unsigned long check_spinlock_pc(struct pt_regs *regs, - unsigned long profile_pc) -{ - unsigned long pc = instruction_pointer(regs); - - /* - * If both the SIAR (sampled instruction) and the perfmon exception - * occurred in a spinlock region then we account the sample to the - * calling function. This isnt 100% correct, we really need soft - * IRQ disable so we always get the perfmon exception at the - * point at which the SIAR is set. - */ - if (backtrace_spinlocks && in_lock_functions(pc) && - in_lock_functions(profile_pc)) - return regs->link; - else - return profile_pc; -} - /* * On GQ and newer the MMCRA stores the HV and PR bits at the time * the SIAR was sampled. We use that to work out if the SIAR was sampled in @@ -228,17 +203,17 @@ static unsigned long get_pc(struct pt_regs *regs) /* Cant do much about it */ if (!mmcra_has_sihv) - return check_spinlock_pc(regs, pc); + return pc; mmcra = mfspr(SPRN_MMCRA); /* Were we in the hypervisor? */ - if (firmware_has_feature(FW_FEATURE_LPAR) && (mmcra & MMCRA_SIHV)) + if (firmware_has_feature(FW_FEATURE_LPAR) && (mmcra & mmcra_sihv)) /* function descriptor madness */ return *((unsigned long *)hypervisor_bucket); /* We were in userspace, nothing to do */ - if (mmcra & MMCRA_SIPR) + if (mmcra & mmcra_sipr) return pc; #ifdef CONFIG_PPC_RTAS @@ -257,7 +232,7 @@ static unsigned long get_pc(struct pt_regs *regs) /* function descriptor madness */ return *((unsigned long *)kernel_unknown_bucket); - return check_spinlock_pc(regs, pc); + return pc; } static int get_kernel(unsigned long pc) @@ -268,7 +243,7 @@ static int get_kernel(unsigned long pc) is_kernel = is_kernel_addr(pc); } else { unsigned long mmcra = mfspr(SPRN_MMCRA); - is_kernel = ((mmcra & MMCRA_SIPR) == 0); + is_kernel = ((mmcra & mmcra_sipr) == 0); } return is_kernel; @@ -293,7 +268,7 @@ static void power4_handle_interrupt(struct pt_regs *regs, val = ctr_read(i); if (val < 0) { if (oprofile_running && ctr[i].enabled) { - oprofile_add_pc(pc, is_kernel, i); + oprofile_add_ext_sample(pc, regs, i, is_kernel); ctr_write(i, reset_value[i]); } else { ctr_write(i, 0); diff --git a/arch/powerpc/oprofile/op_model_rs64.c b/arch/powerpc/oprofile/op_model_rs64.c index 5c909ee609f..042f8f4867a 100644 --- a/arch/powerpc/oprofile/op_model_rs64.c +++ b/arch/powerpc/oprofile/op_model_rs64.c @@ -175,10 +175,13 @@ static void rs64_handle_interrupt(struct pt_regs *regs, struct op_counter_config *ctr) { unsigned int mmcr0; + int is_kernel; int val; int i; unsigned long pc = mfspr(SPRN_SIAR); + is_kernel = is_kernel_addr(pc); + /* set the PMM bit (see comment below) */ mtmsrd(mfmsr() | MSR_PMM); @@ -186,7 +189,7 @@ static void rs64_handle_interrupt(struct pt_regs *regs, val = ctr_read(i); if (val < 0) { if (ctr[i].enabled) { - oprofile_add_pc(pc, is_kernel_addr(pc), i); + oprofile_add_ext_sample(pc, regs, i, is_kernel); ctr_write(i, reset_value[i]); } else { ctr_write(i, 0); diff --git a/arch/powerpc/platforms/85xx/Kconfig b/arch/powerpc/platforms/85xx/Kconfig index d3d0ff745e8..06e371282f5 100644 --- a/arch/powerpc/platforms/85xx/Kconfig +++ b/arch/powerpc/platforms/85xx/Kconfig @@ -7,6 +7,7 @@ choice config MPC8540_ADS bool "Freescale MPC8540 ADS" + select DEFAULT_UIMAGE help This option enables support for the MPC 8540 ADS board diff --git a/arch/powerpc/platforms/cell/Kconfig b/arch/powerpc/platforms/cell/Kconfig index 3157071e241..c2a3db8edb0 100644 --- a/arch/powerpc/platforms/cell/Kconfig +++ b/arch/powerpc/platforms/cell/Kconfig @@ -10,4 +10,9 @@ config SPU_FS Units on machines implementing the Broadband Processor Architecture. +config SPUFS_MMAP + bool + depends on SPU_FS && SPARSEMEM && !PPC_64K_PAGES + default y + endmenu diff --git a/arch/powerpc/platforms/cell/Makefile b/arch/powerpc/platforms/cell/Makefile index 3b998a393e3..e570bad0639 100644 --- a/arch/powerpc/platforms/cell/Makefile +++ b/arch/powerpc/platforms/cell/Makefile @@ -6,5 +6,11 @@ obj-$(CONFIG_SPU_FS) += spu-base.o spufs/ spu-base-y += spu_base.o spu_priv1.o -builtin-spufs-$(CONFIG_SPU_FS) += spu_syscalls.o -obj-y += $(builtin-spufs-m) +# needed only when building loadable spufs.ko +spufs-modular-$(CONFIG_SPU_FS) += spu_syscalls.o +obj-y += $(spufs-modular-m) + +# always needed in kernel +spufs-builtin-$(CONFIG_SPU_FS) += spu_callbacks.o +obj-y += $(spufs-builtin-y) $(spufs-builtin-m) + diff --git a/arch/powerpc/platforms/cell/interrupt.c b/arch/powerpc/platforms/cell/interrupt.c index 63aa52acf44..978be1c30c1 100644 --- a/arch/powerpc/platforms/cell/interrupt.c +++ b/arch/powerpc/platforms/cell/interrupt.c @@ -63,7 +63,24 @@ static DEFINE_PER_CPU(struct iic, iic); void iic_local_enable(void) { - out_be64(&__get_cpu_var(iic).regs->prio, 0xff); + struct iic *iic = &__get_cpu_var(iic); + u64 tmp; + + /* + * There seems to be a bug that is present in DD2.x CPUs + * and still only partially fixed in DD3.1. + * This bug causes a value written to the priority register + * not to make it there, resulting in a system hang unless we + * write it again. + * Masking with 0xf0 is done because the Cell BE does not + * implement the lower four bits of the interrupt priority, + * they always read back as zeroes, although future CPUs + * might implement different bits. + */ + do { + out_be64(&iic->regs->prio, 0xff); + tmp = in_be64(&iic->regs->prio); + } while ((tmp & 0xf0) != 0xf0); } void iic_local_disable(void) @@ -123,7 +140,7 @@ static int iic_external_get_irq(struct iic_pending_bits pending) pending.class != 2) break; irq = IIC_EXT_OFFSET - + spider_get_irq(pending.prio + node * IIC_NODE_STRIDE) + + spider_get_irq(node) + node * IIC_NODE_STRIDE; break; case 0x01 ... 0x04: @@ -174,38 +191,98 @@ int iic_get_irq(struct pt_regs *regs) return irq; } -static int setup_iic(int cpu, struct iic *iic) +/* hardcoded part to be compatible with older firmware */ + +static int setup_iic_hardcoded(void) { struct device_node *np; - int nodeid = cpu / 2; + int nodeid, cpu; unsigned long regs; + struct iic *iic; - for (np = of_find_node_by_type(NULL, "cpu"); - np; - np = of_find_node_by_type(np, "cpu")) { - if (nodeid == *(int *)get_property(np, "node-id", NULL)) - break; + for_each_cpu(cpu) { + iic = &per_cpu(iic, cpu); + nodeid = cpu/2; + + for (np = of_find_node_by_type(NULL, "cpu"); + np; + np = of_find_node_by_type(np, "cpu")) { + if (nodeid == *(int *)get_property(np, "node-id", NULL)) + break; + } + + if (!np) { + printk(KERN_WARNING "IIC: CPU %d not found\n", cpu); + iic->regs = NULL; + iic->target_id = 0xff; + return -ENODEV; + } + + regs = *(long *)get_property(np, "iic", NULL); + + /* hack until we have decided on the devtree info */ + regs += 0x400; + if (cpu & 1) + regs += 0x20; + + printk(KERN_INFO "IIC for CPU %d at %lx\n", cpu, regs); + iic->regs = ioremap(regs, sizeof(struct iic_regs)); + iic->target_id = (nodeid << 4) + ((cpu & 1) ? 0xf : 0xe); } - if (!np) { - printk(KERN_WARNING "IIC: CPU %d not found\n", cpu); - iic->regs = NULL; - iic->target_id = 0xff; - return -ENODEV; - } + return 0; +} - regs = *(long *)get_property(np, "iic", NULL); +static int setup_iic(void) +{ + struct device_node *dn; + unsigned long *regs; + char *compatible; + unsigned *np, found = 0; + struct iic *iic = NULL; + + for (dn = NULL; (dn = of_find_node_by_name(dn, "interrupt-controller"));) { + compatible = (char *)get_property(dn, "compatible", NULL); + + if (!compatible) { + printk(KERN_WARNING "no compatible property found !\n"); + continue; + } - /* hack until we have decided on the devtree info */ - regs += 0x400; - if (cpu & 1) - regs += 0x20; + if (strstr(compatible, "IBM,CBEA-Internal-Interrupt-Controller")) + regs = (unsigned long *)get_property(dn,"reg", NULL); + else + continue; - printk(KERN_DEBUG "IIC for CPU %d at %lx\n", cpu, regs); - iic->regs = __ioremap(regs, sizeof(struct iic_regs), - _PAGE_NO_CACHE); - iic->target_id = (nodeid << 4) + ((cpu & 1) ? 0xf : 0xe); - return 0; + if (!regs) + printk(KERN_WARNING "IIC: no reg property\n"); + + np = (unsigned int *)get_property(dn, "ibm,interrupt-server-ranges", NULL); + + if (!np) { + printk(KERN_WARNING "IIC: CPU association not found\n"); + iic->regs = NULL; + iic->target_id = 0xff; + return -ENODEV; + } + + iic = &per_cpu(iic, np[0]); + iic->regs = ioremap(regs[0], sizeof(struct iic_regs)); + iic->target_id = ((np[0] & 2) << 3) + ((np[0] & 1) ? 0xf : 0xe); + printk("IIC for CPU %d at %lx mapped to %p\n", np[0], regs[0], iic->regs); + + iic = &per_cpu(iic, np[1]); + iic->regs = ioremap(regs[2], sizeof(struct iic_regs)); + iic->target_id = ((np[1] & 2) << 3) + ((np[1] & 1) ? 0xf : 0xe); + printk("IIC for CPU %d at %lx mapped to %p\n", np[1], regs[2], iic->regs); + + found++; + } + + if (found) + return 0; + else + return -ENODEV; } #ifdef CONFIG_SMP @@ -283,10 +360,12 @@ void iic_init_IRQ(void) int cpu, irq_offset; struct iic *iic; + if (setup_iic() < 0) + setup_iic_hardcoded(); + irq_offset = 0; - for_each_cpu(cpu) { + for_each_possible_cpu(cpu) { iic = &per_cpu(iic, cpu); - setup_iic(cpu, iic); if (iic->regs) out_be64(&iic->regs->prio, 0xff); } diff --git a/arch/powerpc/platforms/cell/interrupt.h b/arch/powerpc/platforms/cell/interrupt.h index a14bd38791c..799f77d98f9 100644 --- a/arch/powerpc/platforms/cell/interrupt.h +++ b/arch/powerpc/platforms/cell/interrupt.h @@ -57,7 +57,7 @@ extern void iic_local_disable(void); extern u8 iic_get_target_id(int cpu); extern void spider_init_IRQ(void); -extern int spider_get_irq(unsigned long int_pending); +extern int spider_get_irq(int node); #endif #endif /* ASM_CELL_PIC_H */ diff --git a/arch/powerpc/platforms/cell/iommu.c b/arch/powerpc/platforms/cell/iommu.c index 46e7cb9c3e6..a49ceb799a8 100644 --- a/arch/powerpc/platforms/cell/iommu.c +++ b/arch/powerpc/platforms/cell/iommu.c @@ -289,7 +289,7 @@ static void cell_do_map_iommu(struct cell_iommu *iommu, ioc_base = iommu->mapped_base; ioc_mmio_base = iommu->mapped_mmio_base; - for (real_address = 0, io_address = 0; + for (real_address = 0, io_address = map_start; io_address <= map_start + map_size; real_address += io_page_size, io_address += io_page_size) { ioste = get_iost_entry(fake_iopt, io_address, io_page_size); @@ -302,7 +302,7 @@ static void cell_do_map_iommu(struct cell_iommu *iommu, set_iopt_cache(ioc_mmio_base, get_ioc_hash_1way(ioste, io_address), get_ioc_tag(ioste, io_address), - get_iopt_entry(real_address-map_start, ioid, IOPT_PROT_RW)); + get_iopt_entry(real_address, ioid, IOPT_PROT_RW)); } } @@ -344,8 +344,8 @@ static int cell_map_iommu_hardcoded(int num_nodes) /* node 0 */ iommu = &cell_iommus[0]; - iommu->mapped_base = __ioremap(0x20000511000, 0x1000, _PAGE_NO_CACHE); - iommu->mapped_mmio_base = __ioremap(0x20000510000, 0x1000, _PAGE_NO_CACHE); + iommu->mapped_base = ioremap(0x20000511000, 0x1000); + iommu->mapped_mmio_base = ioremap(0x20000510000, 0x1000); enable_mapping(iommu->mapped_base, iommu->mapped_mmio_base); @@ -357,8 +357,8 @@ static int cell_map_iommu_hardcoded(int num_nodes) /* node 1 */ iommu = &cell_iommus[1]; - iommu->mapped_base = __ioremap(0x30000511000, 0x1000, _PAGE_NO_CACHE); - iommu->mapped_mmio_base = __ioremap(0x30000510000, 0x1000, _PAGE_NO_CACHE); + iommu->mapped_base = ioremap(0x30000511000, 0x1000); + iommu->mapped_mmio_base = ioremap(0x30000510000, 0x1000); enable_mapping(iommu->mapped_base, iommu->mapped_mmio_base); @@ -407,8 +407,8 @@ static int cell_map_iommu(void) iommu->base = *base; iommu->mmio_base = *mmio_base; - iommu->mapped_base = __ioremap(*base, 0x1000, _PAGE_NO_CACHE); - iommu->mapped_mmio_base = __ioremap(*mmio_base, 0x1000, _PAGE_NO_CACHE); + iommu->mapped_base = ioremap(*base, 0x1000); + iommu->mapped_mmio_base = ioremap(*mmio_base, 0x1000); enable_mapping(iommu->mapped_base, iommu->mapped_mmio_base); diff --git a/arch/powerpc/platforms/cell/pervasive.c b/arch/powerpc/platforms/cell/pervasive.c index e0e051c675d..7eed8c62451 100644 --- a/arch/powerpc/platforms/cell/pervasive.c +++ b/arch/powerpc/platforms/cell/pervasive.c @@ -203,7 +203,7 @@ found: pr_debug("pervasive area for CPU %d at %lx, size %x\n", cpu, real_address, size); - p->regs = __ioremap(real_address, size, _PAGE_NO_CACHE); + p->regs = ioremap(real_address, size); p->thread = thread; return 0; } @@ -217,7 +217,7 @@ void __init cell_pervasive_init(void) if (!cpu_has_feature(CPU_FTR_PAUSE_ZERO)) return; - for_each_cpu(cpu) { + for_each_possible_cpu(cpu) { p = &cbe_pervasive[cpu]; ret = cbe_find_pmd_mmio(cpu, p); if (ret) diff --git a/arch/powerpc/platforms/cell/setup.c b/arch/powerpc/platforms/cell/setup.c index fec8e65b36e..dac5d0365fd 100644 --- a/arch/powerpc/platforms/cell/setup.c +++ b/arch/powerpc/platforms/cell/setup.c @@ -195,9 +195,13 @@ static void __init cell_init_early(void) } -static int __init cell_probe(int platform) +static int __init cell_probe(void) { - if (platform != PLATFORM_CELL) + /* XXX This is temporary, the Cell maintainer will come up with + * more appropriate detection logic + */ + unsigned long root = of_get_flat_dt_root(); + if (!of_flat_dt_is_compatible(root, "IBM,CPBW-1.0")) return 0; return 1; @@ -212,7 +216,8 @@ static int cell_check_legacy_ioport(unsigned int baseport) return -ENODEV; } -struct machdep_calls __initdata cell_md = { +define_machine(cell) { + .name = "Cell", .probe = cell_probe, .setup_arch = cell_setup_arch, .init_early = cell_init_early, diff --git a/arch/powerpc/platforms/cell/spider-pic.c b/arch/powerpc/platforms/cell/spider-pic.c index e74132188bd..55cbdd77a62 100644 --- a/arch/powerpc/platforms/cell/spider-pic.c +++ b/arch/powerpc/platforms/cell/spider-pic.c @@ -84,10 +84,11 @@ static void __iomem *spider_get_irq_config(int irq) static void spider_enable_irq(unsigned int irq) { + int nodeid = (irq / IIC_NODE_STRIDE) * 0x10; void __iomem *cfg = spider_get_irq_config(irq); irq = spider_get_nr(irq); - out_be32(cfg, in_be32(cfg) | 0x3107000eu); + out_be32(cfg, (in_be32(cfg) & ~0xf0)| 0x3107000eu | nodeid); out_be32(cfg + 4, in_be32(cfg + 4) | 0x00020000u | irq); } @@ -131,61 +132,108 @@ static struct hw_interrupt_type spider_pic = { .end = spider_end_irq, }; - -int spider_get_irq(unsigned long int_pending) +int spider_get_irq(int node) { - void __iomem *regs = spider_get_pic(int_pending); unsigned long cs; - int irq; - - cs = in_be32(regs + TIR_CS); + void __iomem *regs = spider_pics[node]; - irq = cs >> 24; - if (irq != 63) - return irq; + cs = in_be32(regs + TIR_CS) >> 24; - return -1; + if (cs == 63) + return -1; + else + return cs; } - -void spider_init_IRQ(void) + +/* hardcoded part to be compatible with older firmware */ + +void spider_init_IRQ_hardcoded(void) { int node; - struct device_node *dn; - unsigned int *property; long spiderpic; + long pics[] = { 0x24000008000, 0x34000008000 }; int n; -/* FIXME: detect multiple PICs as soon as the device tree has them */ - for (node = 0; node < 1; node++) { - dn = of_find_node_by_path("/"); - n = prom_n_addr_cells(dn); - property = (unsigned int *) get_property(dn, - "platform-spider-pic", NULL); + pr_debug("%s(%d): Using hardcoded defaults\n", __FUNCTION__, __LINE__); - if (!property) - continue; - for (spiderpic = 0; n > 0; --n) - spiderpic = (spiderpic << 32) + *property++; + for (node = 0; node < num_present_cpus()/2; node++) { + spiderpic = pics[node]; printk(KERN_DEBUG "SPIDER addr: %lx\n", spiderpic); - spider_pics[node] = __ioremap(spiderpic, 0x800, _PAGE_NO_CACHE); + spider_pics[node] = ioremap(spiderpic, 0x800); for (n = 0; n < IIC_NUM_EXT; n++) { int irq = n + IIC_EXT_OFFSET + node * IIC_NODE_STRIDE; get_irq_desc(irq)->handler = &spider_pic; + } /* do not mask any interrupts because of level */ out_be32(spider_pics[node] + TIR_MSK, 0x0); - + /* disable edge detection clear */ /* out_be32(spider_pics[node] + TIR_EDC, 0x0); */ - + /* enable interrupt packets to be output */ out_be32(spider_pics[node] + TIR_PIEN, in_be32(spider_pics[node] + TIR_PIEN) | 0x1); - + /* Enable the interrupt detection enable bit. Do this last! */ out_be32(spider_pics[node] + TIR_DEN, - in_be32(spider_pics[node] +TIR_DEN) | 0x1); + in_be32(spider_pics[node] + TIR_DEN) | 0x1); + } +} + +void spider_init_IRQ(void) +{ + long spider_reg; + struct device_node *dn; + char *compatible; + int n, node = 0; + + for (dn = NULL; (dn = of_find_node_by_name(dn, "interrupt-controller"));) { + compatible = (char *)get_property(dn, "compatible", NULL); + if (!compatible) + continue; + + if (strstr(compatible, "CBEA,platform-spider-pic")) + spider_reg = *(long *)get_property(dn,"reg", NULL); + else if (strstr(compatible, "sti,platform-spider-pic")) { + spider_init_IRQ_hardcoded(); + return; + } else + continue; + + if (!spider_reg) + printk("interrupt controller does not have reg property !\n"); + + n = prom_n_addr_cells(dn); + + if ( n != 2) + printk("reg property with invalid number of elements \n"); + + spider_pics[node] = ioremap(spider_reg, 0x800); + + printk("SPIDER addr: %lx with %i addr_cells mapped to %p\n", + spider_reg, n, spider_pics[node]); + + for (n = 0; n < IIC_NUM_EXT; n++) { + int irq = n + IIC_EXT_OFFSET + node * IIC_NODE_STRIDE; + get_irq_desc(irq)->handler = &spider_pic; } + + /* do not mask any interrupts because of level */ + out_be32(spider_pics[node] + TIR_MSK, 0x0); + + /* disable edge detection clear */ + /* out_be32(spider_pics[node] + TIR_EDC, 0x0); */ + + /* enable interrupt packets to be output */ + out_be32(spider_pics[node] + TIR_PIEN, + in_be32(spider_pics[node] + TIR_PIEN) | 0x1); + + /* Enable the interrupt detection enable bit. Do this last! */ + out_be32(spider_pics[node] + TIR_DEN, + in_be32(spider_pics[node] + TIR_DEN) | 0x1); + + node++; } } diff --git a/arch/powerpc/platforms/cell/spu_base.c b/arch/powerpc/platforms/cell/spu_base.c index a8fa1eeeb17..269dda4fd0b 100644 --- a/arch/powerpc/platforms/cell/spu_base.c +++ b/arch/powerpc/platforms/cell/spu_base.c @@ -111,7 +111,7 @@ static int __spu_trap_data_seg(struct spu *spu, unsigned long ea) extern int hash_page(unsigned long ea, unsigned long access, unsigned long trap); //XXX static int __spu_trap_data_map(struct spu *spu, unsigned long ea, u64 dsisr) { - pr_debug("%s\n", __FUNCTION__); + pr_debug("%s, %lx, %lx\n", __FUNCTION__, dsisr, ea); /* Handle kernel space hash faults immediately. User hash faults need to be deferred to process context. */ @@ -168,7 +168,7 @@ static int __spu_trap_halt(struct spu *spu) static int __spu_trap_tag_group(struct spu *spu) { pr_debug("%s\n", __FUNCTION__); - /* wake_up(&spu->dma_wq); */ + spu->mfc_callback(spu); return 0; } @@ -242,6 +242,8 @@ spu_irq_class_1(int irq, void *data, struct pt_regs *regs) spu_mfc_dsisr_set(spu, 0ul); spu_int_stat_clear(spu, 1, stat); spin_unlock(&spu->register_lock); + pr_debug("%s: %lx %lx %lx %lx\n", __FUNCTION__, mask, stat, + dar, dsisr); if (stat & 1) /* segment fault */ __spu_trap_data_seg(spu, dar); @@ -484,14 +486,13 @@ int spu_irq_class_1_bottom(struct spu *spu) ea = spu->dar; dsisr = spu->dsisr; - if (dsisr & MFC_DSISR_PTE_NOT_FOUND) { + if (dsisr & (MFC_DSISR_PTE_NOT_FOUND | MFC_DSISR_ACCESS_DENIED)) { access = (_PAGE_PRESENT | _PAGE_USER); access |= (dsisr & MFC_DSISR_ACCESS_PUT) ? _PAGE_RW : 0UL; if (hash_page(ea, access, 0x300) != 0) error |= CLASS1_ENABLE_STORAGE_FAULT_INTR; } - if ((error & CLASS1_ENABLE_STORAGE_FAULT_INTR) || - (dsisr & MFC_DSISR_ACCESS_DENIED)) { + if (error & CLASS1_ENABLE_STORAGE_FAULT_INTR) { if ((ret = spu_handle_mm_fault(spu)) != 0) error |= CLASS1_ENABLE_STORAGE_FAULT_INTR; else @@ -568,6 +569,11 @@ static int __init spu_map_device(struct spu *spu, struct device_node *spe) if (!spu->local_store) goto out; + prop = get_property(spe, "problem", NULL); + if (!prop) + goto out_unmap; + spu->problem_phys = *(unsigned long *)prop; + spu->problem= map_spe_prop(spe, "problem"); if (!spu->problem) goto out_unmap; @@ -632,6 +638,7 @@ static int __init create_spu(struct device_node *spe) spu->ibox_callback = NULL; spu->wbox_callback = NULL; spu->stop_callback = NULL; + spu->mfc_callback = NULL; mutex_lock(&spu_mutex); spu->number = number++; diff --git a/arch/powerpc/platforms/cell/spu_callbacks.c b/arch/powerpc/platforms/cell/spu_callbacks.c new file mode 100644 index 00000000000..3a4245c926a --- /dev/null +++ b/arch/powerpc/platforms/cell/spu_callbacks.c @@ -0,0 +1,345 @@ +/* + * System call callback functions for SPUs + */ + +#define DEBUG + +#include <linux/kallsyms.h> +#include <linux/module.h> +#include <linux/syscalls.h> + +#include <asm/spu.h> +#include <asm/syscalls.h> +#include <asm/unistd.h> + +/* + * This table defines the system calls that an SPU can call. + * It is currently a subset of the 64 bit powerpc system calls, + * with the exact semantics. + * + * The reasons for disabling some of the system calls are: + * 1. They interact with the way SPU syscalls are handled + * and we can't let them execute ever: + * restart_syscall, exit, for, execve, ptrace, ... + * 2. They are deprecated and replaced by other means: + * uselib, pciconfig_*, sysfs, ... + * 3. They are somewhat interacting with the system in a way + * we don't want an SPU to: + * reboot, init_module, mount, kexec_load + * 4. They are optional and we can't rely on them being + * linked into the kernel. Unfortunately, the cond_syscall + * helper does not work here as it does not add the necessary + * opd symbols: + * mbind, mq_open, ipc, ... + */ + +void *spu_syscall_table[] = { + [__NR_restart_syscall] sys_ni_syscall, /* sys_restart_syscall */ + [__NR_exit] sys_ni_syscall, /* sys_exit */ + [__NR_fork] sys_ni_syscall, /* ppc_fork */ + [__NR_read] sys_read, + [__NR_write] sys_write, + [__NR_open] sys_open, + [__NR_close] sys_close, + [__NR_waitpid] sys_waitpid, + [__NR_creat] sys_creat, + [__NR_link] sys_link, + [__NR_unlink] sys_unlink, + [__NR_execve] sys_ni_syscall, /* sys_execve */ + [__NR_chdir] sys_chdir, + [__NR_time] sys_time, + [__NR_mknod] sys_mknod, + [__NR_chmod] sys_chmod, + [__NR_lchown] sys_lchown, + [__NR_break] sys_ni_syscall, + [__NR_oldstat] sys_ni_syscall, + [__NR_lseek] sys_lseek, + [__NR_getpid] sys_getpid, + [__NR_mount] sys_ni_syscall, /* sys_mount */ + [__NR_umount] sys_ni_syscall, + [__NR_setuid] sys_setuid, + [__NR_getuid] sys_getuid, + [__NR_stime] sys_stime, + [__NR_ptrace] sys_ni_syscall, /* sys_ptrace */ + [__NR_alarm] sys_alarm, + [__NR_oldfstat] sys_ni_syscall, + [__NR_pause] sys_ni_syscall, /* sys_pause */ + [__NR_utime] sys_ni_syscall, /* sys_utime */ + [__NR_stty] sys_ni_syscall, + [__NR_gtty] sys_ni_syscall, + [__NR_access] sys_access, + [__NR_nice] sys_nice, + [__NR_ftime] sys_ni_syscall, + [__NR_sync] sys_sync, + [__NR_kill] sys_kill, + [__NR_rename] sys_rename, + [__NR_mkdir] sys_mkdir, + [__NR_rmdir] sys_rmdir, + [__NR_dup] sys_dup, + [__NR_pipe] sys_pipe, + [__NR_times] sys_times, + [__NR_prof] sys_ni_syscall, + [__NR_brk] sys_brk, + [__NR_setgid] sys_setgid, + [__NR_getgid] sys_getgid, + [__NR_signal] sys_ni_syscall, /* sys_signal */ + [__NR_geteuid] sys_geteuid, + [__NR_getegid] sys_getegid, + [__NR_acct] sys_ni_syscall, /* sys_acct */ + [__NR_umount2] sys_ni_syscall, /* sys_umount */ + [__NR_lock] sys_ni_syscall, + [__NR_ioctl] sys_ioctl, + [__NR_fcntl] sys_fcntl, + [__NR_mpx] sys_ni_syscall, + [__NR_setpgid] sys_setpgid, + [__NR_ulimit] sys_ni_syscall, + [__NR_oldolduname] sys_ni_syscall, + [__NR_umask] sys_umask, + [__NR_chroot] sys_chroot, + [__NR_ustat] sys_ni_syscall, /* sys_ustat */ + [__NR_dup2] sys_dup2, + [__NR_getppid] sys_getppid, + [__NR_getpgrp] sys_getpgrp, + [__NR_setsid] sys_setsid, + [__NR_sigaction] sys_ni_syscall, + [__NR_sgetmask] sys_sgetmask, + [__NR_ssetmask] sys_ssetmask, + [__NR_setreuid] sys_setreuid, + [__NR_setregid] sys_setregid, + [__NR_sigsuspend] sys_ni_syscall, + [__NR_sigpending] sys_ni_syscall, + [__NR_sethostname] sys_sethostname, + [__NR_setrlimit] sys_setrlimit, + [__NR_getrlimit] sys_ni_syscall, + [__NR_getrusage] sys_getrusage, + [__NR_gettimeofday] sys_gettimeofday, + [__NR_settimeofday] sys_settimeofday, + [__NR_getgroups] sys_getgroups, + [__NR_setgroups] sys_setgroups, + [__NR_select] sys_ni_syscall, + [__NR_symlink] sys_symlink, + [__NR_oldlstat] sys_ni_syscall, + [__NR_readlink] sys_readlink, + [__NR_uselib] sys_ni_syscall, /* sys_uselib */ + [__NR_swapon] sys_ni_syscall, /* sys_swapon */ + [__NR_reboot] sys_ni_syscall, /* sys_reboot */ + [__NR_readdir] sys_ni_syscall, + [__NR_mmap] sys_mmap, + [__NR_munmap] sys_munmap, + [__NR_truncate] sys_truncate, + [__NR_ftruncate] sys_ftruncate, + [__NR_fchmod] sys_fchmod, + [__NR_fchown] sys_fchown, + [__NR_getpriority] sys_getpriority, + [__NR_setpriority] sys_setpriority, + [__NR_profil] sys_ni_syscall, + [__NR_statfs] sys_ni_syscall, /* sys_statfs */ + [__NR_fstatfs] sys_ni_syscall, /* sys_fstatfs */ + [__NR_ioperm] sys_ni_syscall, + [__NR_socketcall] sys_socketcall, + [__NR_syslog] sys_syslog, + [__NR_setitimer] sys_setitimer, + [__NR_getitimer] sys_getitimer, + [__NR_stat] sys_newstat, + [__NR_lstat] sys_newlstat, + [__NR_fstat] sys_newfstat, + [__NR_olduname] sys_ni_syscall, + [__NR_iopl] sys_ni_syscall, + [__NR_vhangup] sys_vhangup, + [__NR_idle] sys_ni_syscall, + [__NR_vm86] sys_ni_syscall, + [__NR_wait4] sys_wait4, + [__NR_swapoff] sys_ni_syscall, /* sys_swapoff */ + [__NR_sysinfo] sys_sysinfo, + [__NR_ipc] sys_ni_syscall, /* sys_ipc */ + [__NR_fsync] sys_fsync, + [__NR_sigreturn] sys_ni_syscall, + [__NR_clone] sys_ni_syscall, /* ppc_clone */ + [__NR_setdomainname] sys_setdomainname, + [__NR_uname] ppc_newuname, + [__NR_modify_ldt] sys_ni_syscall, + [__NR_adjtimex] sys_adjtimex, + [__NR_mprotect] sys_mprotect, + [__NR_sigprocmask] sys_ni_syscall, + [__NR_create_module] sys_ni_syscall, + [__NR_init_module] sys_ni_syscall, /* sys_init_module */ + [__NR_delete_module] sys_ni_syscall, /* sys_delete_module */ + [__NR_get_kernel_syms] sys_ni_syscall, + [__NR_quotactl] sys_ni_syscall, /* sys_quotactl */ + [__NR_getpgid] sys_getpgid, + [__NR_fchdir] sys_fchdir, + [__NR_bdflush] sys_bdflush, + [__NR_sysfs] sys_ni_syscall, /* sys_sysfs */ + [__NR_personality] ppc64_personality, + [__NR_afs_syscall] sys_ni_syscall, + [__NR_setfsuid] sys_setfsuid, + [__NR_setfsgid] sys_setfsgid, + [__NR__llseek] sys_llseek, + [__NR_getdents] sys_getdents, + [__NR__newselect] sys_select, + [__NR_flock] sys_flock, + [__NR_msync] sys_msync, + [__NR_readv] sys_readv, + [__NR_writev] sys_writev, + [__NR_getsid] sys_getsid, + [__NR_fdatasync] sys_fdatasync, + [__NR__sysctl] sys_ni_syscall, /* sys_sysctl */ + [__NR_mlock] sys_mlock, + [__NR_munlock] sys_munlock, + [__NR_mlockall] sys_mlockall, + [__NR_munlockall] sys_munlockall, + [__NR_sched_setparam] sys_sched_setparam, + [__NR_sched_getparam] sys_sched_getparam, + [__NR_sched_setscheduler] sys_sched_setscheduler, + [__NR_sched_getscheduler] sys_sched_getscheduler, + [__NR_sched_yield] sys_sched_yield, + [__NR_sched_get_priority_max] sys_sched_get_priority_max, + [__NR_sched_get_priority_min] sys_sched_get_priority_min, + [__NR_sched_rr_get_interval] sys_sched_rr_get_interval, + [__NR_nanosleep] sys_nanosleep, + [__NR_mremap] sys_mremap, + [__NR_setresuid] sys_setresuid, + [__NR_getresuid] sys_getresuid, + [__NR_query_module] sys_ni_syscall, + [__NR_poll] sys_poll, + [__NR_nfsservctl] sys_ni_syscall, /* sys_nfsservctl */ + [__NR_setresgid] sys_setresgid, + [__NR_getresgid] sys_getresgid, + [__NR_prctl] sys_prctl, + [__NR_rt_sigreturn] sys_ni_syscall, /* ppc64_rt_sigreturn */ + [__NR_rt_sigaction] sys_ni_syscall, /* sys_rt_sigaction */ + [__NR_rt_sigprocmask] sys_ni_syscall, /* sys_rt_sigprocmask */ + [__NR_rt_sigpending] sys_ni_syscall, /* sys_rt_sigpending */ + [__NR_rt_sigtimedwait] sys_ni_syscall, /* sys_rt_sigtimedwait */ + [__NR_rt_sigqueueinfo] sys_ni_syscall, /* sys_rt_sigqueueinfo */ + [__NR_rt_sigsuspend] sys_ni_syscall, /* sys_rt_sigsuspend */ + [__NR_pread64] sys_pread64, + [__NR_pwrite64] sys_pwrite64, + [__NR_chown] sys_chown, + [__NR_getcwd] sys_getcwd, + [__NR_capget] sys_capget, + [__NR_capset] sys_capset, + [__NR_sigaltstack] sys_ni_syscall, /* sys_sigaltstack */ + [__NR_sendfile] sys_sendfile64, + [__NR_getpmsg] sys_ni_syscall, + [__NR_putpmsg] sys_ni_syscall, + [__NR_vfork] sys_ni_syscall, /* ppc_vfork */ + [__NR_ugetrlimit] sys_getrlimit, + [__NR_readahead] sys_readahead, + [192] sys_ni_syscall, + [193] sys_ni_syscall, + [194] sys_ni_syscall, + [195] sys_ni_syscall, + [196] sys_ni_syscall, + [197] sys_ni_syscall, + [__NR_pciconfig_read] sys_ni_syscall, /* sys_pciconfig_read */ + [__NR_pciconfig_write] sys_ni_syscall, /* sys_pciconfig_write */ + [__NR_pciconfig_iobase] sys_ni_syscall, /* sys_pciconfig_iobase */ + [__NR_multiplexer] sys_ni_syscall, + [__NR_getdents64] sys_getdents64, + [__NR_pivot_root] sys_pivot_root, + [204] sys_ni_syscall, + [__NR_madvise] sys_madvise, + [__NR_mincore] sys_mincore, + [__NR_gettid] sys_gettid, + [__NR_tkill] sys_tkill, + [__NR_setxattr] sys_setxattr, + [__NR_lsetxattr] sys_lsetxattr, + [__NR_fsetxattr] sys_fsetxattr, + [__NR_getxattr] sys_getxattr, + [__NR_lgetxattr] sys_lgetxattr, + [__NR_fgetxattr] sys_fgetxattr, + [__NR_listxattr] sys_listxattr, + [__NR_llistxattr] sys_llistxattr, + [__NR_flistxattr] sys_flistxattr, + [__NR_removexattr] sys_removexattr, + [__NR_lremovexattr] sys_lremovexattr, + [__NR_fremovexattr] sys_fremovexattr, + [__NR_futex] sys_futex, + [__NR_sched_setaffinity] sys_sched_setaffinity, + [__NR_sched_getaffinity] sys_sched_getaffinity, + [__NR_tuxcall] sys_ni_syscall, + [226] sys_ni_syscall, + [__NR_io_setup] sys_io_setup, + [__NR_io_destroy] sys_io_destroy, + [__NR_io_getevents] sys_io_getevents, + [__NR_io_submit] sys_io_submit, + [__NR_io_cancel] sys_io_cancel, + [__NR_set_tid_address] sys_ni_syscall, /* sys_set_tid_address */ + [__NR_fadvise64] sys_fadvise64, + [__NR_exit_group] sys_ni_syscall, /* sys_exit_group */ + [__NR_lookup_dcookie] sys_ni_syscall, /* sys_lookup_dcookie */ + [__NR_epoll_create] sys_epoll_create, + [__NR_epoll_ctl] sys_epoll_ctl, + [__NR_epoll_wait] sys_epoll_wait, + [__NR_remap_file_pages] sys_remap_file_pages, + [__NR_timer_create] sys_timer_create, + [__NR_timer_settime] sys_timer_settime, + [__NR_timer_gettime] sys_timer_gettime, + [__NR_timer_getoverrun] sys_timer_getoverrun, + [__NR_timer_delete] sys_timer_delete, + [__NR_clock_settime] sys_clock_settime, + [__NR_clock_gettime] sys_clock_gettime, + [__NR_clock_getres] sys_clock_getres, + [__NR_clock_nanosleep] sys_clock_nanosleep, + [__NR_swapcontext] sys_ni_syscall, /* ppc64_swapcontext */ + [__NR_tgkill] sys_tgkill, + [__NR_utimes] sys_utimes, + [__NR_statfs64] sys_statfs64, + [__NR_fstatfs64] sys_fstatfs64, + [254] sys_ni_syscall, + [__NR_rtas] ppc_rtas, + [256] sys_ni_syscall, + [257] sys_ni_syscall, + [258] sys_ni_syscall, + [__NR_mbind] sys_ni_syscall, /* sys_mbind */ + [__NR_get_mempolicy] sys_ni_syscall, /* sys_get_mempolicy */ + [__NR_set_mempolicy] sys_ni_syscall, /* sys_set_mempolicy */ + [__NR_mq_open] sys_ni_syscall, /* sys_mq_open */ + [__NR_mq_unlink] sys_ni_syscall, /* sys_mq_unlink */ + [__NR_mq_timedsend] sys_ni_syscall, /* sys_mq_timedsend */ + [__NR_mq_timedreceive] sys_ni_syscall, /* sys_mq_timedreceive */ + [__NR_mq_notify] sys_ni_syscall, /* sys_mq_notify */ + [__NR_mq_getsetattr] sys_ni_syscall, /* sys_mq_getsetattr */ + [__NR_kexec_load] sys_ni_syscall, /* sys_kexec_load */ + [__NR_add_key] sys_ni_syscall, /* sys_add_key */ + [__NR_request_key] sys_ni_syscall, /* sys_request_key */ + [__NR_keyctl] sys_ni_syscall, /* sys_keyctl */ + [__NR_waitid] sys_ni_syscall, /* sys_waitid */ + [__NR_ioprio_set] sys_ni_syscall, /* sys_ioprio_set */ + [__NR_ioprio_get] sys_ni_syscall, /* sys_ioprio_get */ + [__NR_inotify_init] sys_ni_syscall, /* sys_inotify_init */ + [__NR_inotify_add_watch] sys_ni_syscall, /* sys_inotify_add_watch */ + [__NR_inotify_rm_watch] sys_ni_syscall, /* sys_inotify_rm_watch */ + [__NR_spu_run] sys_ni_syscall, /* sys_spu_run */ + [__NR_spu_create] sys_ni_syscall, /* sys_spu_create */ + [__NR_pselect6] sys_ni_syscall, /* sys_pselect */ + [__NR_ppoll] sys_ni_syscall, /* sys_ppoll */ + [__NR_unshare] sys_unshare, +}; + +long spu_sys_callback(struct spu_syscall_block *s) +{ + long (*syscall)(u64 a1, u64 a2, u64 a3, u64 a4, u64 a5, u64 a6); + + BUILD_BUG_ON(ARRAY_SIZE(spu_syscall_table) != __NR_syscalls); + + syscall = spu_syscall_table[s->nr_ret]; + + if (s->nr_ret >= __NR_syscalls) { + pr_debug("%s: invalid syscall #%ld", __FUNCTION__, s->nr_ret); + return -ENOSYS; + } + +#ifdef DEBUG + print_symbol(KERN_DEBUG "SPU-syscall %s:", (unsigned long)syscall); + printk("syscall%ld(%lx, %lx, %lx, %lx, %lx, %lx)\n", + s->nr_ret, + s->parm[0], s->parm[1], s->parm[2], + s->parm[3], s->parm[4], s->parm[5]); +#endif + + return syscall(s->parm[0], s->parm[1], s->parm[2], + s->parm[3], s->parm[4], s->parm[5]); +} +EXPORT_SYMBOL_GPL(spu_sys_callback); diff --git a/arch/powerpc/platforms/cell/spufs/backing_ops.c b/arch/powerpc/platforms/cell/spufs/backing_ops.c index a5c489a53c6..f1d35ddc9df 100644 --- a/arch/powerpc/platforms/cell/spufs/backing_ops.c +++ b/arch/powerpc/platforms/cell/spufs/backing_ops.c @@ -285,6 +285,49 @@ static void spu_backing_runcntl_stop(struct spu_context *ctx) spu_backing_runcntl_write(ctx, SPU_RUNCNTL_STOP); } +static int spu_backing_set_mfc_query(struct spu_context * ctx, u32 mask, + u32 mode) +{ + struct spu_problem_collapsed *prob = &ctx->csa.prob; + int ret; + + spin_lock(&ctx->csa.register_lock); + ret = -EAGAIN; + if (prob->dma_querytype_RW) + goto out; + ret = 0; + /* FIXME: what are the side-effects of this? */ + prob->dma_querymask_RW = mask; + prob->dma_querytype_RW = mode; +out: + spin_unlock(&ctx->csa.register_lock); + + return ret; +} + +static u32 spu_backing_read_mfc_tagstatus(struct spu_context * ctx) +{ + return ctx->csa.prob.dma_tagstatus_R; +} + +static u32 spu_backing_get_mfc_free_elements(struct spu_context *ctx) +{ + return ctx->csa.prob.dma_qstatus_R; +} + +static int spu_backing_send_mfc_command(struct spu_context *ctx, + struct mfc_dma_command *cmd) +{ + int ret; + + spin_lock(&ctx->csa.register_lock); + ret = -EAGAIN; + /* FIXME: set up priv2->puq */ + spin_unlock(&ctx->csa.register_lock); + + return ret; +} + struct spu_context_ops spu_backing_ops = { .mbox_read = spu_backing_mbox_read, .mbox_stat_read = spu_backing_mbox_stat_read, @@ -305,4 +348,8 @@ struct spu_context_ops spu_backing_ops = { .get_ls = spu_backing_get_ls, .runcntl_write = spu_backing_runcntl_write, .runcntl_stop = spu_backing_runcntl_stop, + .set_mfc_query = spu_backing_set_mfc_query, + .read_mfc_tagstatus = spu_backing_read_mfc_tagstatus, + .get_mfc_free_elements = spu_backing_get_mfc_free_elements, + .send_mfc_command = spu_backing_send_mfc_command, }; diff --git a/arch/powerpc/platforms/cell/spufs/context.c b/arch/powerpc/platforms/cell/spufs/context.c index 336f238102f..8bb33abfad1 100644 --- a/arch/powerpc/platforms/cell/spufs/context.c +++ b/arch/powerpc/platforms/cell/spufs/context.c @@ -27,7 +27,7 @@ #include <asm/spu_csa.h> #include "spufs.h" -struct spu_context *alloc_spu_context(struct address_space *local_store) +struct spu_context *alloc_spu_context(void) { struct spu_context *ctx; ctx = kmalloc(sizeof *ctx, GFP_KERNEL); @@ -47,10 +47,17 @@ struct spu_context *alloc_spu_context(struct address_space *local_store) init_waitqueue_head(&ctx->ibox_wq); init_waitqueue_head(&ctx->wbox_wq); init_waitqueue_head(&ctx->stop_wq); + init_waitqueue_head(&ctx->mfc_wq); ctx->ibox_fasync = NULL; ctx->wbox_fasync = NULL; + ctx->mfc_fasync = NULL; + ctx->mfc = NULL; + ctx->tagwait = 0; ctx->state = SPU_STATE_SAVED; - ctx->local_store = local_store; + ctx->local_store = NULL; + ctx->cntl = NULL; + ctx->signal1 = NULL; + ctx->signal2 = NULL; ctx->spu = NULL; ctx->ops = &spu_backing_ops; ctx->owner = get_task_mm(current); @@ -68,8 +75,6 @@ void destroy_spu_context(struct kref *kref) ctx = container_of(kref, struct spu_context, kref); down_write(&ctx->state_sema); spu_deactivate(ctx); - ctx->ibox_fasync = NULL; - ctx->wbox_fasync = NULL; up_write(&ctx->state_sema); spu_fini_csa(&ctx->csa); kfree(ctx); @@ -109,7 +114,16 @@ void spu_release(struct spu_context *ctx) void spu_unmap_mappings(struct spu_context *ctx) { - unmap_mapping_range(ctx->local_store, 0, LS_SIZE, 1); + if (ctx->local_store) + unmap_mapping_range(ctx->local_store, 0, LS_SIZE, 1); + if (ctx->mfc) + unmap_mapping_range(ctx->mfc, 0, 0x4000, 1); + if (ctx->cntl) + unmap_mapping_range(ctx->cntl, 0, 0x4000, 1); + if (ctx->signal1) + unmap_mapping_range(ctx->signal1, 0, 0x4000, 1); + if (ctx->signal2) + unmap_mapping_range(ctx->signal2, 0, 0x4000, 1); } int spu_acquire_runnable(struct spu_context *ctx) diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c index dfa649c9b95..366185e9266 100644 --- a/arch/powerpc/platforms/cell/spufs/file.c +++ b/arch/powerpc/platforms/cell/spufs/file.c @@ -20,6 +20,8 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ +#undef DEBUG + #include <linux/fs.h> #include <linux/ioctl.h> #include <linux/module.h> @@ -39,8 +41,10 @@ static int spufs_mem_open(struct inode *inode, struct file *file) { struct spufs_inode_info *i = SPUFS_I(inode); - file->private_data = i->i_ctx; - file->f_mapping = i->i_ctx->local_store; + struct spu_context *ctx = i->i_ctx; + file->private_data = ctx; + file->f_mapping = inode->i_mapping; + ctx->local_store = inode->i_mapping; return 0; } @@ -84,7 +88,7 @@ spufs_mem_write(struct file *file, const char __user *buffer, return ret; } -#ifdef CONFIG_SPARSEMEM +#ifdef CONFIG_SPUFS_MMAP static struct page * spufs_mem_mmap_nopage(struct vm_area_struct *vma, unsigned long address, int *type) @@ -136,11 +140,113 @@ static struct file_operations spufs_mem_fops = { .read = spufs_mem_read, .write = spufs_mem_write, .llseek = generic_file_llseek, -#ifdef CONFIG_SPARSEMEM +#ifdef CONFIG_SPUFS_MMAP .mmap = spufs_mem_mmap, #endif }; +#ifdef CONFIG_SPUFS_MMAP +static struct page *spufs_ps_nopage(struct vm_area_struct *vma, + unsigned long address, + int *type, unsigned long ps_offs) +{ + struct page *page = NOPAGE_SIGBUS; + int fault_type = VM_FAULT_SIGBUS; + struct spu_context *ctx = vma->vm_file->private_data; + unsigned long offset = address - vma->vm_start; + unsigned long area; + int ret; + + offset += vma->vm_pgoff << PAGE_SHIFT; + if (offset >= 0x4000) + goto out; + + ret = spu_acquire_runnable(ctx); + if (ret) + goto out; + + area = ctx->spu->problem_phys + ps_offs; + page = pfn_to_page((area + offset) >> PAGE_SHIFT); + fault_type = VM_FAULT_MINOR; + page_cache_get(page); + + spu_release(ctx); + + out: + if (type) + *type = fault_type; + + return page; +} + +static struct page *spufs_cntl_mmap_nopage(struct vm_area_struct *vma, + unsigned long address, int *type) +{ + return spufs_ps_nopage(vma, address, type, 0x4000); +} + +static struct vm_operations_struct spufs_cntl_mmap_vmops = { + .nopage = spufs_cntl_mmap_nopage, +}; + +/* + * mmap support for problem state control area [0x4000 - 0x4fff]. + * Mapping this area requires that the application have CAP_SYS_RAWIO, + * as these registers require special care when read/writing. + */ +static int spufs_cntl_mmap(struct file *file, struct vm_area_struct *vma) +{ + if (!(vma->vm_flags & VM_SHARED)) + return -EINVAL; + + if (!capable(CAP_SYS_RAWIO)) + return -EPERM; + + vma->vm_flags |= VM_RESERVED; + vma->vm_page_prot = __pgprot(pgprot_val(vma->vm_page_prot) + | _PAGE_NO_CACHE); + + vma->vm_ops = &spufs_cntl_mmap_vmops; + return 0; +} +#endif + +static int spufs_cntl_open(struct inode *inode, struct file *file) +{ + struct spufs_inode_info *i = SPUFS_I(inode); + struct spu_context *ctx = i->i_ctx; + + file->private_data = ctx; + file->f_mapping = inode->i_mapping; + ctx->cntl = inode->i_mapping; + return 0; +} + +static ssize_t +spufs_cntl_read(struct file *file, char __user *buffer, + size_t size, loff_t *pos) +{ + /* FIXME: read from spu status */ + return -EINVAL; +} + +static ssize_t +spufs_cntl_write(struct file *file, const char __user *buffer, + size_t size, loff_t *pos) +{ + /* FIXME: write to runctl bit */ + return -EINVAL; +} + +static struct file_operations spufs_cntl_fops = { + .open = spufs_cntl_open, + .read = spufs_cntl_read, + .write = spufs_cntl_write, +#ifdef CONFIG_SPUFS_MMAP + .mmap = spufs_cntl_mmap, +#endif +}; + static int spufs_regs_open(struct inode *inode, struct file *file) { @@ -501,6 +607,16 @@ static struct file_operations spufs_wbox_stat_fops = { .read = spufs_wbox_stat_read, }; +static int spufs_signal1_open(struct inode *inode, struct file *file) +{ + struct spufs_inode_info *i = SPUFS_I(inode); + struct spu_context *ctx = i->i_ctx; + file->private_data = ctx; + file->f_mapping = inode->i_mapping; + ctx->signal1 = inode->i_mapping; + return nonseekable_open(inode, file); +} + static ssize_t spufs_signal1_read(struct file *file, char __user *buf, size_t len, loff_t *pos) { @@ -541,12 +657,50 @@ static ssize_t spufs_signal1_write(struct file *file, const char __user *buf, return 4; } +#ifdef CONFIG_SPUFS_MMAP +static struct page *spufs_signal1_mmap_nopage(struct vm_area_struct *vma, + unsigned long address, int *type) +{ + return spufs_ps_nopage(vma, address, type, 0x14000); +} + +static struct vm_operations_struct spufs_signal1_mmap_vmops = { + .nopage = spufs_signal1_mmap_nopage, +}; + +static int spufs_signal1_mmap(struct file *file, struct vm_area_struct *vma) +{ + if (!(vma->vm_flags & VM_SHARED)) + return -EINVAL; + + vma->vm_flags |= VM_RESERVED; + vma->vm_page_prot = __pgprot(pgprot_val(vma->vm_page_prot) + | _PAGE_NO_CACHE); + + vma->vm_ops = &spufs_signal1_mmap_vmops; + return 0; +} +#endif + static struct file_operations spufs_signal1_fops = { - .open = spufs_pipe_open, + .open = spufs_signal1_open, .read = spufs_signal1_read, .write = spufs_signal1_write, +#ifdef CONFIG_SPUFS_MMAP + .mmap = spufs_signal1_mmap, +#endif }; +static int spufs_signal2_open(struct inode *inode, struct file *file) +{ + struct spufs_inode_info *i = SPUFS_I(inode); + struct spu_context *ctx = i->i_ctx; + file->private_data = ctx; + file->f_mapping = inode->i_mapping; + ctx->signal2 = inode->i_mapping; + return nonseekable_open(inode, file); +} + static ssize_t spufs_signal2_read(struct file *file, char __user *buf, size_t len, loff_t *pos) { @@ -589,10 +743,39 @@ static ssize_t spufs_signal2_write(struct file *file, const char __user *buf, return 4; } +#ifdef CONFIG_SPUFS_MMAP +static struct page *spufs_signal2_mmap_nopage(struct vm_area_struct *vma, + unsigned long address, int *type) +{ + return spufs_ps_nopage(vma, address, type, 0x1c000); +} + +static struct vm_operations_struct spufs_signal2_mmap_vmops = { + .nopage = spufs_signal2_mmap_nopage, +}; + +static int spufs_signal2_mmap(struct file *file, struct vm_area_struct *vma) +{ + if (!(vma->vm_flags & VM_SHARED)) + return -EINVAL; + + /* FIXME: */ + vma->vm_flags |= VM_RESERVED; + vma->vm_page_prot = __pgprot(pgprot_val(vma->vm_page_prot) + | _PAGE_NO_CACHE); + + vma->vm_ops = &spufs_signal2_mmap_vmops; + return 0; +} +#endif + static struct file_operations spufs_signal2_fops = { - .open = spufs_pipe_open, + .open = spufs_signal2_open, .read = spufs_signal2_read, .write = spufs_signal2_write, +#ifdef CONFIG_SPUFS_MMAP + .mmap = spufs_signal2_mmap, +#endif }; static void spufs_signal1_type_set(void *data, u64 val) @@ -641,6 +824,332 @@ static u64 spufs_signal2_type_get(void *data) DEFINE_SIMPLE_ATTRIBUTE(spufs_signal2_type, spufs_signal2_type_get, spufs_signal2_type_set, "%llu"); +#ifdef CONFIG_SPUFS_MMAP +static struct page *spufs_mfc_mmap_nopage(struct vm_area_struct *vma, + unsigned long address, int *type) +{ + return spufs_ps_nopage(vma, address, type, 0x3000); +} + +static struct vm_operations_struct spufs_mfc_mmap_vmops = { + .nopage = spufs_mfc_mmap_nopage, +}; + +/* + * mmap support for problem state MFC DMA area [0x0000 - 0x0fff]. + * Mapping this area requires that the application have CAP_SYS_RAWIO, + * as these registers require special care when read/writing. + */ +static int spufs_mfc_mmap(struct file *file, struct vm_area_struct *vma) +{ + if (!(vma->vm_flags & VM_SHARED)) + return -EINVAL; + + if (!capable(CAP_SYS_RAWIO)) + return -EPERM; + + vma->vm_flags |= VM_RESERVED; + vma->vm_page_prot = __pgprot(pgprot_val(vma->vm_page_prot) + | _PAGE_NO_CACHE); + + vma->vm_ops = &spufs_mfc_mmap_vmops; + return 0; +} +#endif + +static int spufs_mfc_open(struct inode *inode, struct file *file) +{ + struct spufs_inode_info *i = SPUFS_I(inode); + struct spu_context *ctx = i->i_ctx; + + /* we don't want to deal with DMA into other processes */ + if (ctx->owner != current->mm) + return -EINVAL; + + if (atomic_read(&inode->i_count) != 1) + return -EBUSY; + + file->private_data = ctx; + return nonseekable_open(inode, file); +} + +/* interrupt-level mfc callback function. */ +void spufs_mfc_callback(struct spu *spu) +{ + struct spu_context *ctx = spu->ctx; + + wake_up_all(&ctx->mfc_wq); + + pr_debug("%s %s\n", __FUNCTION__, spu->name); + if (ctx->mfc_fasync) { + u32 free_elements, tagstatus; + unsigned int mask; + + /* no need for spu_acquire in interrupt context */ + free_elements = ctx->ops->get_mfc_free_elements(ctx); + tagstatus = ctx->ops->read_mfc_tagstatus(ctx); + + mask = 0; + if (free_elements & 0xffff) + mask |= POLLOUT; + if (tagstatus & ctx->tagwait) + mask |= POLLIN; + + kill_fasync(&ctx->mfc_fasync, SIGIO, mask); + } +} + +static int spufs_read_mfc_tagstatus(struct spu_context *ctx, u32 *status) +{ + /* See if there is one tag group is complete */ + /* FIXME we need locking around tagwait */ + *status = ctx->ops->read_mfc_tagstatus(ctx) & ctx->tagwait; + ctx->tagwait &= ~*status; + if (*status) + return 1; + + /* enable interrupt waiting for any tag group, + may silently fail if interrupts are already enabled */ + ctx->ops->set_mfc_query(ctx, ctx->tagwait, 1); + return 0; +} + +static ssize_t spufs_mfc_read(struct file *file, char __user *buffer, + size_t size, loff_t *pos) +{ + struct spu_context *ctx = file->private_data; + int ret = -EINVAL; + u32 status; + + if (size != 4) + goto out; + + spu_acquire(ctx); + if (file->f_flags & O_NONBLOCK) { + status = ctx->ops->read_mfc_tagstatus(ctx); + if (!(status & ctx->tagwait)) + ret = -EAGAIN; + else + ctx->tagwait &= ~status; + } else { + ret = spufs_wait(ctx->mfc_wq, + spufs_read_mfc_tagstatus(ctx, &status)); + } + spu_release(ctx); + + if (ret) + goto out; + + ret = 4; + if (copy_to_user(buffer, &status, 4)) + ret = -EFAULT; + +out: + return ret; +} + +static int spufs_check_valid_dma(struct mfc_dma_command *cmd) +{ + pr_debug("queueing DMA %x %lx %x %x %x\n", cmd->lsa, + cmd->ea, cmd->size, cmd->tag, cmd->cmd); + + switch (cmd->cmd) { + case MFC_PUT_CMD: + case MFC_PUTF_CMD: + case MFC_PUTB_CMD: + case MFC_GET_CMD: + case MFC_GETF_CMD: + case MFC_GETB_CMD: + break; + default: + pr_debug("invalid DMA opcode %x\n", cmd->cmd); + return -EIO; + } + + if ((cmd->lsa & 0xf) != (cmd->ea &0xf)) { + pr_debug("invalid DMA alignment, ea %lx lsa %x\n", + cmd->ea, cmd->lsa); + return -EIO; + } + + switch (cmd->size & 0xf) { + case 1: + break; + case 2: + if (cmd->lsa & 1) + goto error; + break; + case 4: + if (cmd->lsa & 3) + goto error; + break; + case 8: + if (cmd->lsa & 7) + goto error; + break; + case 0: + if (cmd->lsa & 15) + goto error; + break; + error: + default: + pr_debug("invalid DMA alignment %x for size %x\n", + cmd->lsa & 0xf, cmd->size); + return -EIO; + } + + if (cmd->size > 16 * 1024) { + pr_debug("invalid DMA size %x\n", cmd->size); + return -EIO; + } + + if (cmd->tag & 0xfff0) { + /* we reserve the higher tag numbers for kernel use */ + pr_debug("invalid DMA tag\n"); + return -EIO; + } + + if (cmd->class) { + /* not supported in this version */ + pr_debug("invalid DMA class\n"); + return -EIO; + } + + return 0; +} + +static int spu_send_mfc_command(struct spu_context *ctx, + struct mfc_dma_command cmd, + int *error) +{ + *error = ctx->ops->send_mfc_command(ctx, &cmd); + if (*error == -EAGAIN) { + /* wait for any tag group to complete + so we have space for the new command */ + ctx->ops->set_mfc_query(ctx, ctx->tagwait, 1); + /* try again, because the queue might be + empty again */ + *error = ctx->ops->send_mfc_command(ctx, &cmd); + if (*error == -EAGAIN) + return 0; + } + return 1; +} + +static ssize_t spufs_mfc_write(struct file *file, const char __user *buffer, + size_t size, loff_t *pos) +{ + struct spu_context *ctx = file->private_data; + struct mfc_dma_command cmd; + int ret = -EINVAL; + + if (size != sizeof cmd) + goto out; + + ret = -EFAULT; + if (copy_from_user(&cmd, buffer, sizeof cmd)) + goto out; + + ret = spufs_check_valid_dma(&cmd); + if (ret) + goto out; + + spu_acquire_runnable(ctx); + if (file->f_flags & O_NONBLOCK) { + ret = ctx->ops->send_mfc_command(ctx, &cmd); + } else { + int status; + ret = spufs_wait(ctx->mfc_wq, + spu_send_mfc_command(ctx, cmd, &status)); + if (status) + ret = status; + } + spu_release(ctx); + + if (ret) + goto out; + + ctx->tagwait |= 1 << cmd.tag; + +out: + return ret; +} + +static unsigned int spufs_mfc_poll(struct file *file,poll_table *wait) +{ + struct spu_context *ctx = file->private_data; + u32 free_elements, tagstatus; + unsigned int mask; + + spu_acquire(ctx); + ctx->ops->set_mfc_query(ctx, ctx->tagwait, 2); + free_elements = ctx->ops->get_mfc_free_elements(ctx); + tagstatus = ctx->ops->read_mfc_tagstatus(ctx); + spu_release(ctx); + + poll_wait(file, &ctx->mfc_wq, wait); + + mask = 0; + if (free_elements & 0xffff) + mask |= POLLOUT | POLLWRNORM; + if (tagstatus & ctx->tagwait) + mask |= POLLIN | POLLRDNORM; + + pr_debug("%s: free %d tagstatus %d tagwait %d\n", __FUNCTION__, + free_elements, tagstatus, ctx->tagwait); + + return mask; +} + +static int spufs_mfc_flush(struct file *file) +{ + struct spu_context *ctx = file->private_data; + int ret; + + spu_acquire(ctx); +#if 0 +/* this currently hangs */ + ret = spufs_wait(ctx->mfc_wq, + ctx->ops->set_mfc_query(ctx, ctx->tagwait, 2)); + if (ret) + goto out; + ret = spufs_wait(ctx->mfc_wq, + ctx->ops->read_mfc_tagstatus(ctx) == ctx->tagwait); +out: +#else + ret = 0; +#endif + spu_release(ctx); + + return ret; +} + +static int spufs_mfc_fsync(struct file *file, struct dentry *dentry, + int datasync) +{ + return spufs_mfc_flush(file); +} + +static int spufs_mfc_fasync(int fd, struct file *file, int on) +{ + struct spu_context *ctx = file->private_data; + + return fasync_helper(fd, file, on, &ctx->mfc_fasync); +} + +static struct file_operations spufs_mfc_fops = { + .open = spufs_mfc_open, + .read = spufs_mfc_read, + .write = spufs_mfc_write, + .poll = spufs_mfc_poll, + .flush = spufs_mfc_flush, + .fsync = spufs_mfc_fsync, + .fasync = spufs_mfc_fasync, +#ifdef CONFIG_SPUFS_MMAP + .mmap = spufs_mfc_mmap, +#endif +}; + static void spufs_npc_set(void *data, u64 val) { struct spu_context *ctx = data; @@ -783,6 +1292,8 @@ struct tree_descr spufs_dir_contents[] = { { "signal2", &spufs_signal2_fops, 0666, }, { "signal1_type", &spufs_signal1_type, 0666, }, { "signal2_type", &spufs_signal2_type, 0666, }, + { "mfc", &spufs_mfc_fops, 0666, }, + { "cntl", &spufs_cntl_fops, 0666, }, { "npc", &spufs_npc_ops, 0666, }, { "fpcr", &spufs_fpcr_fops, 0666, }, { "decr", &spufs_decr_ops, 0666, }, diff --git a/arch/powerpc/platforms/cell/spufs/hw_ops.c b/arch/powerpc/platforms/cell/spufs/hw_ops.c index 5445719bff7..a13a8b5a014 100644 --- a/arch/powerpc/platforms/cell/spufs/hw_ops.c +++ b/arch/powerpc/platforms/cell/spufs/hw_ops.c @@ -232,6 +232,59 @@ static void spu_hw_runcntl_stop(struct spu_context *ctx) spin_unlock_irq(&ctx->spu->register_lock); } +static int spu_hw_set_mfc_query(struct spu_context * ctx, u32 mask, u32 mode) +{ + struct spu_problem *prob = ctx->spu->problem; + int ret; + + spin_lock_irq(&ctx->spu->register_lock); + ret = -EAGAIN; + if (in_be32(&prob->dma_querytype_RW)) + goto out; + ret = 0; + out_be32(&prob->dma_querymask_RW, mask); + out_be32(&prob->dma_querytype_RW, mode); +out: + spin_unlock_irq(&ctx->spu->register_lock); + return ret; +} + +static u32 spu_hw_read_mfc_tagstatus(struct spu_context * ctx) +{ + return in_be32(&ctx->spu->problem->dma_tagstatus_R); +} + +static u32 spu_hw_get_mfc_free_elements(struct spu_context *ctx) +{ + return in_be32(&ctx->spu->problem->dma_qstatus_R); +} + +static int spu_hw_send_mfc_command(struct spu_context *ctx, + struct mfc_dma_command *cmd) +{ + u32 status; + struct spu_problem *prob = ctx->spu->problem; + + spin_lock_irq(&ctx->spu->register_lock); + out_be32(&prob->mfc_lsa_W, cmd->lsa); + out_be64(&prob->mfc_ea_W, cmd->ea); + out_be32(&prob->mfc_union_W.by32.mfc_size_tag32, + cmd->size << 16 | cmd->tag); + out_be32(&prob->mfc_union_W.by32.mfc_class_cmd32, + cmd->class << 16 | cmd->cmd); + status = in_be32(&prob->mfc_union_W.by32.mfc_class_cmd32); + spin_unlock_irq(&ctx->spu->register_lock); + + switch (status & 0xffff) { + case 0: + return 0; + case 2: + return -EAGAIN; + default: + return -EINVAL; + } +} + struct spu_context_ops spu_hw_ops = { .mbox_read = spu_hw_mbox_read, .mbox_stat_read = spu_hw_mbox_stat_read, @@ -252,4 +305,8 @@ struct spu_context_ops spu_hw_ops = { .get_ls = spu_hw_get_ls, .runcntl_write = spu_hw_runcntl_write, .runcntl_stop = spu_hw_runcntl_stop, + .set_mfc_query = spu_hw_set_mfc_query, + .read_mfc_tagstatus = spu_hw_read_mfc_tagstatus, + .get_mfc_free_elements = spu_hw_get_mfc_free_elements, + .send_mfc_command = spu_hw_send_mfc_command, }; diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c index 5be40aa483f..d9554199afa 100644 --- a/arch/powerpc/platforms/cell/spufs/inode.c +++ b/arch/powerpc/platforms/cell/spufs/inode.c @@ -241,7 +241,7 @@ spufs_mkdir(struct inode *dir, struct dentry *dentry, int mode) inode->i_gid = dir->i_gid; inode->i_mode &= S_ISGID; } - ctx = alloc_spu_context(inode->i_mapping); + ctx = alloc_spu_context(); SPUFS_I(inode)->i_ctx = ctx; if (!ctx) goto out_iput; @@ -442,7 +442,7 @@ static struct file_system_type spufs_type = { .kill_sb = kill_litter_super, }; -static int spufs_init(void) +static int __init spufs_init(void) { int ret; ret = -ENOMEM; @@ -472,7 +472,7 @@ out: } module_init(spufs_init); -static void spufs_exit(void) +static void __exit spufs_exit(void) { spu_sched_exit(); unregister_spu_syscalls(&spufs_calls); diff --git a/arch/powerpc/platforms/cell/spufs/run.c b/arch/powerpc/platforms/cell/spufs/run.c index 18ea8866c61..c04e078c0fe 100644 --- a/arch/powerpc/platforms/cell/spufs/run.c +++ b/arch/powerpc/platforms/cell/spufs/run.c @@ -76,6 +76,90 @@ static inline int spu_reacquire_runnable(struct spu_context *ctx, u32 *npc, return 0; } +/* + * SPU syscall restarting is tricky because we violate the basic + * assumption that the signal handler is running on the interrupted + * thread. Here instead, the handler runs on PowerPC user space code, + * while the syscall was called from the SPU. + * This means we can only do a very rough approximation of POSIX + * signal semantics. + */ +int spu_handle_restartsys(struct spu_context *ctx, long *spu_ret, + unsigned int *npc) +{ + int ret; + + switch (*spu_ret) { + case -ERESTARTSYS: + case -ERESTARTNOINTR: + /* + * Enter the regular syscall restarting for + * sys_spu_run, then restart the SPU syscall + * callback. + */ + *npc -= 8; + ret = -ERESTARTSYS; + break; + case -ERESTARTNOHAND: + case -ERESTART_RESTARTBLOCK: + /* + * Restart block is too hard for now, just return -EINTR + * to the SPU. + * ERESTARTNOHAND comes from sys_pause, we also return + * -EINTR from there. + * Assume that we need to be restarted ourselves though. + */ + *spu_ret = -EINTR; + ret = -ERESTARTSYS; + break; + default: + printk(KERN_WARNING "%s: unexpected return code %ld\n", + __FUNCTION__, *spu_ret); + ret = 0; + } + return ret; +} + +int spu_process_callback(struct spu_context *ctx) +{ + struct spu_syscall_block s; + u32 ls_pointer, npc; + char *ls; + long spu_ret; + int ret; + + /* get syscall block from local store */ + npc = ctx->ops->npc_read(ctx); + ls = ctx->ops->get_ls(ctx); + ls_pointer = *(u32*)(ls + npc); + if (ls_pointer > (LS_SIZE - sizeof(s))) + return -EFAULT; + memcpy(&s, ls + ls_pointer, sizeof (s)); + + /* do actual syscall without pinning the spu */ + ret = 0; + spu_ret = -ENOSYS; + npc += 4; + + if (s.nr_ret < __NR_syscalls) { + spu_release(ctx); + /* do actual system call from here */ + spu_ret = spu_sys_callback(&s); + if (spu_ret <= -ERESTARTSYS) { + ret = spu_handle_restartsys(ctx, &spu_ret, &npc); + } + spu_acquire(ctx); + if (ret == -ERESTARTSYS) + return ret; + } + + /* write result, jump over indirect pointer */ + memcpy(ls + ls_pointer, &spu_ret, sizeof (spu_ret)); + ctx->ops->npc_write(ctx, npc); + ctx->ops->runcntl_write(ctx, SPU_RUNCNTL_RUNNABLE); + return ret; +} + static inline int spu_process_events(struct spu_context *ctx) { struct spu *spu = ctx->spu; @@ -107,6 +191,13 @@ long spufs_run_spu(struct file *file, struct spu_context *ctx, ret = spufs_wait(ctx->stop_wq, spu_stopped(ctx, status)); if (unlikely(ret)) break; + if ((*status & SPU_STATUS_STOPPED_BY_STOP) && + (*status >> SPU_STOP_STATUS_SHIFT == 0x2104)) { + ret = spu_process_callback(ctx); + if (ret) + break; + *status &= ~SPU_STATUS_STOPPED_BY_STOP; + } if (unlikely(ctx->state != SPU_STATE_RUNNABLE)) { ret = spu_reacquire_runnable(ctx, npc, status); if (ret) diff --git a/arch/powerpc/platforms/cell/spufs/sched.c b/arch/powerpc/platforms/cell/spufs/sched.c index 963182fbd1a..bf652cd7700 100644 --- a/arch/powerpc/platforms/cell/spufs/sched.c +++ b/arch/powerpc/platforms/cell/spufs/sched.c @@ -180,6 +180,7 @@ static inline void bind_context(struct spu *spu, struct spu_context *ctx) spu->ibox_callback = spufs_ibox_callback; spu->wbox_callback = spufs_wbox_callback; spu->stop_callback = spufs_stop_callback; + spu->mfc_callback = spufs_mfc_callback; mb(); spu_unmap_mappings(ctx); spu_restore(&ctx->csa, spu); @@ -197,6 +198,7 @@ static inline void unbind_context(struct spu *spu, struct spu_context *ctx) spu->ibox_callback = NULL; spu->wbox_callback = NULL; spu->stop_callback = NULL; + spu->mfc_callback = NULL; spu->mm = NULL; spu->pid = 0; spu->prio = MAX_PRIO; diff --git a/arch/powerpc/platforms/cell/spufs/spufs.h b/arch/powerpc/platforms/cell/spufs/spufs.h index db2601f0abd..4485738e210 100644 --- a/arch/powerpc/platforms/cell/spufs/spufs.h +++ b/arch/powerpc/platforms/cell/spufs/spufs.h @@ -43,7 +43,11 @@ struct spu_context { struct spu *spu; /* pointer to a physical SPU */ struct spu_state csa; /* SPU context save area. */ spinlock_t mmio_lock; /* protects mmio access */ - struct address_space *local_store;/* local store backing store */ + struct address_space *local_store; /* local store mapping. */ + struct address_space *mfc; /* 'mfc' area mappings. */ + struct address_space *cntl; /* 'control' area mappings. */ + struct address_space *signal1; /* 'signal1' area mappings. */ + struct address_space *signal2; /* 'signal2' area mappings. */ enum { SPU_STATE_RUNNABLE, SPU_STATE_SAVED } state; struct rw_semaphore state_sema; @@ -55,13 +59,27 @@ struct spu_context { wait_queue_head_t ibox_wq; wait_queue_head_t wbox_wq; wait_queue_head_t stop_wq; + wait_queue_head_t mfc_wq; struct fasync_struct *ibox_fasync; struct fasync_struct *wbox_fasync; + struct fasync_struct *mfc_fasync; + u32 tagwait; struct spu_context_ops *ops; struct work_struct reap_work; u64 flags; }; +struct mfc_dma_command { + int32_t pad; /* reserved */ + uint32_t lsa; /* local storage address */ + uint64_t ea; /* effective address */ + uint16_t size; /* transfer size */ + uint16_t tag; /* command tag */ + uint16_t class; /* class ID */ + uint16_t cmd; /* command opcode */ +}; + + /* SPU context query/set operations. */ struct spu_context_ops { int (*mbox_read) (struct spu_context * ctx, u32 * data); @@ -84,6 +102,11 @@ struct spu_context_ops { char*(*get_ls) (struct spu_context * ctx); void (*runcntl_write) (struct spu_context * ctx, u32 data); void (*runcntl_stop) (struct spu_context * ctx); + int (*set_mfc_query)(struct spu_context * ctx, u32 mask, u32 mode); + u32 (*read_mfc_tagstatus)(struct spu_context * ctx); + u32 (*get_mfc_free_elements)(struct spu_context *ctx); + int (*send_mfc_command)(struct spu_context *ctx, + struct mfc_dma_command *cmd); }; extern struct spu_context_ops spu_hw_ops; @@ -106,7 +129,7 @@ long spufs_create_thread(struct nameidata *nd, extern struct file_operations spufs_context_fops; /* context management */ -struct spu_context * alloc_spu_context(struct address_space *local_store); +struct spu_context * alloc_spu_context(void); void destroy_spu_context(struct kref *kref); struct spu_context * get_spu_context(struct spu_context *ctx); int put_spu_context(struct spu_context *ctx); @@ -159,5 +182,6 @@ size_t spu_ibox_read(struct spu_context *ctx, u32 *data); void spufs_ibox_callback(struct spu *spu); void spufs_wbox_callback(struct spu *spu); void spufs_stop_callback(struct spu *spu); +void spufs_mfc_callback(struct spu *spu); #endif diff --git a/arch/powerpc/platforms/cell/spufs/switch.c b/arch/powerpc/platforms/cell/spufs/switch.c index 212db28531f..97898d5d34e 100644 --- a/arch/powerpc/platforms/cell/spufs/switch.c +++ b/arch/powerpc/platforms/cell/spufs/switch.c @@ -2145,7 +2145,8 @@ static void init_priv1(struct spu_state *csa) csa->priv1.int_mask_class1_RW = CLASS1_ENABLE_SEGMENT_FAULT_INTR | CLASS1_ENABLE_STORAGE_FAULT_INTR; csa->priv1.int_mask_class2_RW = CLASS2_ENABLE_SPU_STOP_INTR | - CLASS2_ENABLE_SPU_HALT_INTR; + CLASS2_ENABLE_SPU_HALT_INTR | + CLASS2_ENABLE_SPU_DMA_TAG_GROUP_COMPLETE_INTR; } static void init_priv2(struct spu_state *csa) diff --git a/arch/powerpc/platforms/chrp/chrp.h b/arch/powerpc/platforms/chrp/chrp.h index 814f54742e0..63f0aee4c15 100644 --- a/arch/powerpc/platforms/chrp/chrp.h +++ b/arch/powerpc/platforms/chrp/chrp.h @@ -8,4 +8,4 @@ extern int chrp_set_rtc_time(struct rtc_time *); extern long chrp_time_init(void); extern void chrp_find_bridges(void); -extern void chrp_event_scan(void); +extern void chrp_event_scan(unsigned long); diff --git a/arch/powerpc/platforms/chrp/setup.c b/arch/powerpc/platforms/chrp/setup.c index 8bf4307e323..23a20171870 100644 --- a/arch/powerpc/platforms/chrp/setup.c +++ b/arch/powerpc/platforms/chrp/setup.c @@ -35,6 +35,7 @@ #include <linux/root_dev.h> #include <linux/initrd.h> #include <linux/module.h> +#include <linux/timer.h> #include <asm/io.h> #include <asm/pgtable.h> @@ -61,6 +62,10 @@ EXPORT_SYMBOL(_chrp_type); struct mpic *chrp_mpic; +/* Used for doing CHRP event-scans */ +DEFINE_PER_CPU(struct timer_list, heartbeat_timer); +unsigned long event_scan_interval; + /* * XXX this should be in xmon.h, but putting it there means xmon.h * has to include <linux/interrupt.h> (to get irqreturn_t), which @@ -229,8 +234,6 @@ void __init chrp_setup_arch(void) { struct device_node *root = find_path_device ("/"); char *machine = NULL; - struct device_node *device; - unsigned int *p = NULL; /* init to some ~sane value until calibrate_delay() runs */ loops_per_jiffy = 50000000/HZ; @@ -287,23 +290,12 @@ void __init chrp_setup_arch(void) */ sio_init(); - /* Get the event scan rate for the rtas so we know how - * often it expects a heartbeat. -- Cort - */ - device = find_devices("rtas"); - if (device) - p = (unsigned int *) get_property - (device, "rtas-event-scan-rate", NULL); - if (p && *p) { - ppc_md.heartbeat = chrp_event_scan; - ppc_md.heartbeat_reset = HZ / (*p * 30) - 1; - ppc_md.heartbeat_count = 1; - printk("RTAS Event Scan Rate: %u (%lu jiffies)\n", - *p, ppc_md.heartbeat_reset); - } - pci_create_OF_bus_map(); +#ifdef CONFIG_SMP + smp_ops = &chrp_smp_ops; +#endif /* CONFIG_SMP */ + /* * Print the banner, then scroll down so boot progress * can be printed. -- Cort @@ -312,7 +304,7 @@ void __init chrp_setup_arch(void) } void -chrp_event_scan(void) +chrp_event_scan(unsigned long unused) { unsigned char log[1024]; int ret = 0; @@ -320,7 +312,8 @@ chrp_event_scan(void) /* XXX: we should loop until the hardware says no more error logs -- Cort */ rtas_call(rtas_token("event-scan"), 4, 1, &ret, 0xffffffff, 0, __pa(log), 1024); - ppc_md.heartbeat_count = ppc_md.heartbeat_reset; + mod_timer(&__get_cpu_var(heartbeat_timer), + jiffies + event_scan_interval); } /* @@ -465,6 +458,9 @@ void __init chrp_init_IRQ(void) void __init chrp_init2(void) { + struct device_node *device; + unsigned int *p = NULL; + #ifdef CONFIG_NVRAM chrp_nvram_init(); #endif @@ -476,12 +472,53 @@ chrp_init2(void) request_region(0x80,0x10,"dma page reg"); request_region(0xc0,0x20,"dma2"); + /* Get the event scan rate for the rtas so we know how + * often it expects a heartbeat. -- Cort + */ + device = find_devices("rtas"); + if (device) + p = (unsigned int *) get_property + (device, "rtas-event-scan-rate", NULL); + if (p && *p) { + /* + * Arrange to call chrp_event_scan at least *p times + * per minute. We use 59 rather than 60 here so that + * the rate will be slightly higher than the minimum. + * This all assumes we don't do hotplug CPU on any + * machine that needs the event scans done. + */ + unsigned long interval, offset; + int cpu, ncpus; + struct timer_list *timer; + + interval = HZ * 59 / *p; + offset = HZ; + ncpus = num_online_cpus(); + event_scan_interval = ncpus * interval; + for (cpu = 0; cpu < ncpus; ++cpu) { + timer = &per_cpu(heartbeat_timer, cpu); + setup_timer(timer, chrp_event_scan, 0); + timer->expires = jiffies + offset; + add_timer_on(timer, cpu); + offset += interval; + } + printk("RTAS Event Scan Rate: %u (%lu jiffies)\n", + *p, interval); + } + if (ppc_md.progress) ppc_md.progress(" Have fun! ", 0x7777); } -void __init chrp_init(void) +static int __init chrp_probe(void) { + char *dtype = of_get_flat_dt_prop(of_get_flat_dt_root(), + "device_type", NULL); + if (dtype == NULL) + return 0; + if (strcmp(dtype, "chrp")) + return 0; + ISA_DMA_THRESHOLD = ~0L; DMA_MODE_READ = 0x44; DMA_MODE_WRITE = 0x48; diff --git a/arch/powerpc/platforms/iseries/setup.c b/arch/powerpc/platforms/iseries/setup.c index fa4550611c1..6ce8a404ba6 100644 --- a/arch/powerpc/platforms/iseries/setup.c +++ b/arch/powerpc/platforms/iseries/setup.c @@ -675,18 +675,20 @@ static void iseries_dedicated_idle(void) void __init iSeries_init_IRQ(void) { } #endif -static int __init iseries_probe(int platform) +static int __init iseries_probe(void) { - if (PLATFORM_ISERIES_LPAR != platform) + unsigned long root = of_get_flat_dt_root(); + if (!of_flat_dt_is_compatible(root, "IBM,iSeries")) return 0; - ppc64_firmware_features |= FW_FEATURE_ISERIES; - ppc64_firmware_features |= FW_FEATURE_LPAR; + powerpc_firmware_features |= FW_FEATURE_ISERIES; + powerpc_firmware_features |= FW_FEATURE_LPAR; return 1; } -struct machdep_calls __initdata iseries_md = { +define_machine(iseries) { + .name = "iSeries", .setup_arch = iSeries_setup_arch, .show_cpuinfo = iSeries_show_cpuinfo, .init_IRQ = iSeries_init_IRQ, @@ -930,7 +932,6 @@ void build_flat_dt(struct iseries_flat_dt *dt, unsigned long phys_mem_size) /* /chosen */ dt_start_node(dt, "chosen"); - dt_prop_u32(dt, "linux,platform", PLATFORM_ISERIES_LPAR); dt_prop_str(dt, "bootargs", cmd_line); if (cmd_mem_limit) dt_prop_u64(dt, "linux,memory-limit", cmd_mem_limit); diff --git a/arch/powerpc/platforms/maple/setup.c b/arch/powerpc/platforms/maple/setup.c index ec5c1e10c40..24c0aef4ea3 100644 --- a/arch/powerpc/platforms/maple/setup.c +++ b/arch/powerpc/platforms/maple/setup.c @@ -259,9 +259,10 @@ static void __init maple_progress(char *s, unsigned short hex) /* * Called very early, MMU is off, device-tree isn't unflattened */ -static int __init maple_probe(int platform) +static int __init maple_probe(void) { - if (platform != PLATFORM_MAPLE) + unsigned long root = of_get_flat_dt_root(); + if (!of_flat_dt_is_compatible(root, "Momentum,Maple")) return 0; /* * On U3, the DART (iommu) must be allocated now since it @@ -274,7 +275,8 @@ static int __init maple_probe(int platform) return 1; } -struct machdep_calls __initdata maple_md = { +define_machine(maple_md) { + .name = "Maple", .probe = maple_probe, .setup_arch = maple_setup_arch, .init_early = maple_init_early, @@ -290,7 +292,7 @@ struct machdep_calls __initdata maple_md = { .get_rtc_time = maple_get_rtc_time, .calibrate_decr = generic_calibrate_decr, .progress = maple_progress, - .idle_loop = native_idle, + .power_save = power4_idle, #ifdef CONFIG_KEXEC .machine_kexec = default_machine_kexec, .machine_kexec_prepare = default_machine_kexec_prepare, diff --git a/arch/powerpc/platforms/powermac/bootx_init.c b/arch/powerpc/platforms/powermac/bootx_init.c index fa8b4d7b5de..eacbfd9beab 100644 --- a/arch/powerpc/platforms/powermac/bootx_init.c +++ b/arch/powerpc/platforms/powermac/bootx_init.c @@ -161,9 +161,7 @@ static void __init bootx_dt_add_prop(char *name, void *data, int size, static void __init bootx_add_chosen_props(unsigned long base, unsigned long *mem_end) { - u32 val = _MACH_Pmac; - - bootx_dt_add_prop("linux,platform", &val, 4, mem_end); + u32 val; if (bootx_info->kernelParamsOffset) { char *args = (char *)((unsigned long)bootx_info) + @@ -493,7 +491,7 @@ void __init bootx_init(unsigned long r3, unsigned long r4) && (strcmp(model, "iMac,1") == 0 || strcmp(model, "PowerMac1,1") == 0)) { bootx_printf("iMac,1 detected, shutting down USB \n"); - out_le32((unsigned *)0x80880008, 1); /* XXX */ + out_le32((unsigned __iomem *)0x80880008, 1); /* XXX */ } } diff --git a/arch/powerpc/platforms/powermac/feature.c b/arch/powerpc/platforms/powermac/feature.c index e49eddd5042..a5063cd675c 100644 --- a/arch/powerpc/platforms/powermac/feature.c +++ b/arch/powerpc/platforms/powermac/feature.c @@ -2951,7 +2951,7 @@ static void *pmac_early_vresume_data; void pmac_set_early_video_resume(void (*proc)(void *data), void *data) { - if (_machine != _MACH_Pmac) + if (!machine_is(powermac)) return; preempt_disable(); pmac_early_vresume_proc = proc; diff --git a/arch/powerpc/platforms/powermac/low_i2c.c b/arch/powerpc/platforms/powermac/low_i2c.c index 87eb6bb7f0e..e14f9ac55cf 100644 --- a/arch/powerpc/platforms/powermac/low_i2c.c +++ b/arch/powerpc/platforms/powermac/low_i2c.c @@ -1457,6 +1457,9 @@ int __init pmac_i2c_init(void) return 0; i2c_inited = 1; + if (!machine_is(powermac)) + return 0; + /* Probe keywest-i2c busses */ kw_i2c_probe(); diff --git a/arch/powerpc/platforms/powermac/nvram.c b/arch/powerpc/platforms/powermac/nvram.c index 5fd28995c74..262f967b880 100644 --- a/arch/powerpc/platforms/powermac/nvram.c +++ b/arch/powerpc/platforms/powermac/nvram.c @@ -74,7 +74,7 @@ struct core99_header { * Read and write the non-volatile RAM on PowerMacs and CHRP machines. */ static int nvram_naddrs; -static volatile unsigned char *nvram_data; +static volatile unsigned char __iomem *nvram_data; static int is_core_99; static int core99_bank = 0; static int nvram_partitions[3]; @@ -148,7 +148,7 @@ static ssize_t core99_nvram_size(void) } #ifdef CONFIG_PPC32 -static volatile unsigned char *nvram_addr; +static volatile unsigned char __iomem *nvram_addr; static int nvram_mult; static unsigned char direct_nvram_read_byte(int addr) @@ -285,7 +285,7 @@ static int sm_erase_bank(int bank) int stat, i; unsigned long timeout; - u8* base = (u8 *)nvram_data + core99_bank*NVRAM_SIZE; + u8 __iomem *base = (u8 __iomem *)nvram_data + core99_bank*NVRAM_SIZE; DBG("nvram: Sharp/Micron Erasing bank %d...\n", bank); @@ -317,7 +317,7 @@ static int sm_write_bank(int bank, u8* datas) int i, stat = 0; unsigned long timeout; - u8* base = (u8 *)nvram_data + core99_bank*NVRAM_SIZE; + u8 __iomem *base = (u8 __iomem *)nvram_data + core99_bank*NVRAM_SIZE; DBG("nvram: Sharp/Micron Writing bank %d...\n", bank); @@ -352,7 +352,7 @@ static int amd_erase_bank(int bank) int i, stat = 0; unsigned long timeout; - u8* base = (u8 *)nvram_data + core99_bank*NVRAM_SIZE; + u8 __iomem *base = (u8 __iomem *)nvram_data + core99_bank*NVRAM_SIZE; DBG("nvram: AMD Erasing bank %d...\n", bank); @@ -399,7 +399,7 @@ static int amd_write_bank(int bank, u8* datas) int i, stat = 0; unsigned long timeout; - u8* base = (u8 *)nvram_data + core99_bank*NVRAM_SIZE; + u8 __iomem *base = (u8 __iomem *)nvram_data + core99_bank*NVRAM_SIZE; DBG("nvram: AMD Writing bank %d...\n", bank); @@ -597,7 +597,7 @@ int __init pmac_nvram_init(void) } #ifdef CONFIG_PPC32 - if (_machine == _MACH_chrp && nvram_naddrs == 1) { + if (machine_is(chrp) && nvram_naddrs == 1) { nvram_data = ioremap(r1.start, s1); nvram_mult = 1; ppc_md.nvram_read_val = direct_nvram_read_byte; diff --git a/arch/powerpc/platforms/powermac/pci.c b/arch/powerpc/platforms/powermac/pci.c index de3f30e6b33..f5d8d15d74f 100644 --- a/arch/powerpc/platforms/powermac/pci.c +++ b/arch/powerpc/platforms/powermac/pci.c @@ -1201,7 +1201,7 @@ void __init pmac_pcibios_after_init(void) #ifdef CONFIG_PPC32 void pmac_pci_fixup_cardbus(struct pci_dev* dev) { - if (_machine != _MACH_Pmac) + if (!machine_is(powermac)) return; /* * Fix the interrupt routing on the various cardbus bridges @@ -1244,8 +1244,9 @@ void pmac_pci_fixup_pciata(struct pci_dev* dev) * On PowerMacs, we try to switch any PCI ATA controller to * fully native mode */ - if (_machine != _MACH_Pmac) + if (!machine_is(powermac)) return; + /* Some controllers don't have the class IDE */ if (dev->vendor == PCI_VENDOR_ID_PROMISE) switch(dev->device) { diff --git a/arch/powerpc/platforms/powermac/pfunc_base.c b/arch/powerpc/platforms/powermac/pfunc_base.c index 9b7150f1041..a3bd3e728fa 100644 --- a/arch/powerpc/platforms/powermac/pfunc_base.c +++ b/arch/powerpc/platforms/powermac/pfunc_base.c @@ -336,6 +336,8 @@ int __init pmac_pfunc_base_install(void) return 0; pfbase_inited = 1; + if (!machine_is(powermac)) + return 0; DBG("Installing base platform functions...\n"); diff --git a/arch/powerpc/platforms/powermac/setup.c b/arch/powerpc/platforms/powermac/setup.c index 385aab90c4d..4d15e396655 100644 --- a/arch/powerpc/platforms/powermac/setup.c +++ b/arch/powerpc/platforms/powermac/setup.c @@ -350,6 +350,13 @@ static void __init pmac_setup_arch(void) smp_ops = &psurge_smp_ops; #endif #endif /* CONFIG_SMP */ + +#ifdef CONFIG_ADB + if (strstr(cmd_line, "adb_sync")) { + extern int __adb_probe_sync; + __adb_probe_sync = 1; + } +#endif /* CONFIG_ADB */ } char *bootpath; @@ -576,30 +583,6 @@ pmac_halt(void) pmac_power_off(); } -#ifdef CONFIG_PPC32 -void __init pmac_init(void) -{ - /* isa_io_base gets set in pmac_pci_init */ - isa_mem_base = PMAC_ISA_MEM_BASE; - pci_dram_offset = PMAC_PCI_DRAM_OFFSET; - ISA_DMA_THRESHOLD = ~0L; - DMA_MODE_READ = 1; - DMA_MODE_WRITE = 2; - - ppc_md = pmac_md; - -#if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE) -#ifdef CONFIG_BLK_DEV_IDE_PMAC - ppc_ide_md.ide_init_hwif = pmac_ide_init_hwif_ports; - ppc_ide_md.default_io_base = pmac_ide_get_base; -#endif /* CONFIG_BLK_DEV_IDE_PMAC */ -#endif /* defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE) */ - - if (ppc_md.progress) ppc_md.progress("pmac_init(): exit", 0); - -} -#endif - /* * Early initialization. */ @@ -646,6 +629,12 @@ static int __init pmac_declare_of_platform_devices(void) { struct device_node *np; + if (machine_is(chrp)) + return -1; + + if (!machine_is(powermac)) + return 0; + np = of_find_node_by_name(NULL, "valkyrie"); if (np) of_platform_device_create(np, "valkyrie", NULL); @@ -666,12 +655,15 @@ device_initcall(pmac_declare_of_platform_devices); /* * Called very early, MMU is off, device-tree isn't unflattened */ -static int __init pmac_probe(int platform) +static int __init pmac_probe(void) { -#ifdef CONFIG_PPC64 - if (platform != PLATFORM_POWERMAC) + unsigned long root = of_get_flat_dt_root(); + + if (!of_flat_dt_is_compatible(root, "Power Macintosh") && + !of_flat_dt_is_compatible(root, "MacRISC")) return 0; +#ifdef CONFIG_PPC64 /* * On U3, the DART (iommu) must be allocated now since it * has an impact on htab_initialize (due to the large page it @@ -681,6 +673,23 @@ static int __init pmac_probe(int platform) alloc_dart_table(); #endif +#ifdef CONFIG_PPC32 + /* isa_io_base gets set in pmac_pci_init */ + isa_mem_base = PMAC_ISA_MEM_BASE; + pci_dram_offset = PMAC_PCI_DRAM_OFFSET; + ISA_DMA_THRESHOLD = ~0L; + DMA_MODE_READ = 1; + DMA_MODE_WRITE = 2; + +#if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE) +#ifdef CONFIG_BLK_DEV_IDE_PMAC + ppc_ide_md.ide_init_hwif = pmac_ide_init_hwif_ports; + ppc_ide_md.default_io_base = pmac_ide_get_base; +#endif /* CONFIG_BLK_DEV_IDE_PMAC */ +#endif /* defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE) */ + +#endif /* CONFIG_PPC32 */ + #ifdef CONFIG_PMAC_SMU /* * SMU based G5s need some memory below 2Gb, at least the current @@ -709,10 +718,8 @@ static int pmac_pci_probe_mode(struct pci_bus *bus) } #endif -struct machdep_calls __initdata pmac_md = { -#if defined(CONFIG_HOTPLUG_CPU) && defined(CONFIG_PPC64) - .cpu_die = generic_mach_cpu_die, -#endif +define_machine(powermac) { + .name = "PowerMac", .probe = pmac_probe, .setup_arch = pmac_setup_arch, .init_early = pmac_init_early, @@ -733,7 +740,7 @@ struct machdep_calls __initdata pmac_md = { .progress = udbg_progress, #ifdef CONFIG_PPC64 .pci_probe_mode = pmac_pci_probe_mode, - .idle_loop = native_idle, + .power_save = power4_idle, .enable_pmcs = power4_enable_pmcs, #ifdef CONFIG_KEXEC .machine_kexec = default_machine_kexec, @@ -746,4 +753,7 @@ struct machdep_calls __initdata pmac_md = { .pcibios_after_init = pmac_pcibios_after_init, .phys_mem_access_prot = pci_phys_mem_access_prot, #endif +#if defined(CONFIG_HOTPLUG_CPU) && defined(CONFIG_PPC64) + .cpu_die = generic_mach_cpu_die, +#endif }; diff --git a/arch/powerpc/platforms/powermac/time.c b/arch/powerpc/platforms/powermac/time.c index 5d9afa1fa02..890758aa966 100644 --- a/arch/powerpc/platforms/powermac/time.c +++ b/arch/powerpc/platforms/powermac/time.c @@ -336,10 +336,10 @@ static struct pmu_sleep_notifier time_sleep_notifier = { */ void __init pmac_calibrate_decr(void) { -#ifdef CONFIG_PM +#if defined(CONFIG_PM) && defined(CONFIG_ADB_PMU) /* XXX why here? */ pmu_register_sleep_notifier(&time_sleep_notifier); -#endif /* CONFIG_PM */ +#endif generic_calibrate_decr(); diff --git a/arch/powerpc/platforms/powermac/udbg_scc.c b/arch/powerpc/platforms/powermac/udbg_scc.c index c4352a8db64..b4fa9f03b46 100644 --- a/arch/powerpc/platforms/powermac/udbg_scc.c +++ b/arch/powerpc/platforms/powermac/udbg_scc.c @@ -116,7 +116,7 @@ void udbg_scc_init(int force_scc) /* Setup for 57600 8N1 */ if (ch == ch_a) addr += 0x20; - sccc = (volatile u8 * __iomem) ioremap(addr & PAGE_MASK, PAGE_SIZE) ; + sccc = ioremap(addr & PAGE_MASK, PAGE_SIZE) ; sccc += addr & ~PAGE_MASK; sccd = sccc + 0x10; diff --git a/arch/powerpc/platforms/pseries/eeh.c b/arch/powerpc/platforms/pseries/eeh.c index 2ab9dcdfb41..9b2b1cb117b 100644 --- a/arch/powerpc/platforms/pseries/eeh.c +++ b/arch/powerpc/platforms/pseries/eeh.c @@ -1018,7 +1018,7 @@ static int __init eeh_init_proc(void) { struct proc_dir_entry *e; - if (platform_is_pseries()) { + if (machine_is(pseries)) { e = create_proc_entry("ppc64/eeh", 0, NULL); if (e) e->proc_fops = &proc_eeh_operations; diff --git a/arch/powerpc/platforms/pseries/eeh_driver.c b/arch/powerpc/platforms/pseries/eeh_driver.c index b811d5ff92f..cc2495a0cdd 100644 --- a/arch/powerpc/platforms/pseries/eeh_driver.c +++ b/arch/powerpc/platforms/pseries/eeh_driver.c @@ -257,6 +257,7 @@ void handle_eeh_events (struct eeh_event *event) struct pci_bus *frozen_bus; int rc = 0; enum pci_ers_result result = PCI_ERS_RESULT_NONE; + const char *pci_str, *drv_str; frozen_dn = find_device_pe(event->dn); frozen_bus = pcibios_find_pci_bus(frozen_dn); @@ -291,6 +292,13 @@ void handle_eeh_events (struct eeh_event *event) frozen_pdn = PCI_DN(frozen_dn); frozen_pdn->eeh_freeze_count++; + + pci_str = pci_name (frozen_pdn->pcidev); + drv_str = pcid_name (frozen_pdn->pcidev); + if (!pci_str) { + pci_str = pci_name (event->dev); + drv_str = pcid_name (event->dev); + } if (frozen_pdn->eeh_freeze_count > EEH_MAX_ALLOWED_FREEZES) goto hard_fail; @@ -306,9 +314,7 @@ void handle_eeh_events (struct eeh_event *event) eeh_slot_error_detail(frozen_pdn, 1 /* Temporary Error */); printk(KERN_WARNING "EEH: This PCI device has failed %d times since last reboot: %s - %s\n", - frozen_pdn->eeh_freeze_count, - pci_name (frozen_pdn->pcidev), - pcid_name(frozen_pdn->pcidev)); + frozen_pdn->eeh_freeze_count, drv_str, pci_str); /* Walk the various device drivers attached to this slot through * a reset sequence, giving each an opportunity to do what it needs @@ -360,9 +366,7 @@ hard_fail: "EEH: PCI device %s - %s has failed %d times \n" "and has been permanently disabled. Please try reseating\n" "this device or replacing it.\n", - pci_name (frozen_pdn->pcidev), - pcid_name(frozen_pdn->pcidev), - frozen_pdn->eeh_freeze_count); + drv_str, pci_str, frozen_pdn->eeh_freeze_count); eeh_slot_error_detail(frozen_pdn, 2 /* Permanent Error */); diff --git a/arch/powerpc/platforms/pseries/firmware.c b/arch/powerpc/platforms/pseries/firmware.c index 989f4bc136c..c01d8f0cbe6 100644 --- a/arch/powerpc/platforms/pseries/firmware.c +++ b/arch/powerpc/platforms/pseries/firmware.c @@ -91,7 +91,7 @@ void __init fw_feature_init(void) continue; /* we have a match */ - ppc64_firmware_features |= + powerpc_firmware_features |= firmware_features_table[i].val; break; } diff --git a/arch/powerpc/platforms/pseries/hvconsole.c b/arch/powerpc/platforms/pseries/hvconsole.c index 138e128a388..ba6befd9663 100644 --- a/arch/powerpc/platforms/pseries/hvconsole.c +++ b/arch/powerpc/platforms/pseries/hvconsole.c @@ -62,6 +62,11 @@ int hvc_put_chars(uint32_t vtermno, const char *buf, int count) unsigned long *lbuf = (unsigned long *) buf; long ret; + + /* hcall will ret H_PARAMETER if 'count' exceeds firmware max.*/ + if (count > MAX_VIO_PUT_CHARS) + count = MAX_VIO_PUT_CHARS; + ret = plpar_hcall_norets(H_PUT_TERM_CHAR, vtermno, count, lbuf[0], lbuf[1]); if (ret == H_Success) diff --git a/arch/powerpc/platforms/pseries/pci.c b/arch/powerpc/platforms/pseries/pci.c index 946ad59e335..e97e67f5e07 100644 --- a/arch/powerpc/platforms/pseries/pci.c +++ b/arch/powerpc/platforms/pseries/pci.c @@ -120,7 +120,7 @@ static void fixup_winbond_82c105(struct pci_dev* dev) int i; unsigned int reg; - if (!platform_is_pseries()) + if (!machine_is(pseries)) return; printk("Using INTC for W82c105 IDE controller.\n"); diff --git a/arch/powerpc/platforms/pseries/pci_dlpar.c b/arch/powerpc/platforms/pseries/pci_dlpar.c index 44abdeb9ca0..6bfacc21708 100644 --- a/arch/powerpc/platforms/pseries/pci_dlpar.c +++ b/arch/powerpc/platforms/pseries/pci_dlpar.c @@ -28,6 +28,7 @@ #include <linux/pci.h> #include <asm/pci-bridge.h> #include <asm/ppc-pci.h> +#include <asm/firmware.h> static struct pci_bus * find_bus_among_children(struct pci_bus *bus, @@ -152,20 +153,24 @@ pcibios_pci_config_bridge(struct pci_dev *dev) void pcibios_add_pci_devices(struct pci_bus * bus) { - int slotno, num; + int slotno, num, mode; struct pci_dev *dev; struct device_node *dn = pci_bus_to_OF_node(bus); eeh_add_device_tree_early(dn); - if (_machine == PLATFORM_PSERIES_LPAR) { + mode = PCI_PROBE_NORMAL; + if (ppc_md.pci_probe_mode) + mode = ppc_md.pci_probe_mode(bus); + + if (mode == PCI_PROBE_DEVTREE) { /* use ofdt-based probe */ of_scan_bus(dn, bus); if (!list_empty(&bus->devices)) { pcibios_fixup_new_pci_devices(bus, 0); pci_bus_add_devices(bus); } - } else { + } else if (mode == PCI_PROBE_NORMAL) { /* use legacy probe */ slotno = PCI_SLOT(PCI_DN(dn->child)->devfn); num = pci_scan_slot(bus, PCI_DEVFN(slotno, 0)); diff --git a/arch/powerpc/platforms/pseries/ras.c b/arch/powerpc/platforms/pseries/ras.c index b046bcf7443..9639c66b453 100644 --- a/arch/powerpc/platforms/pseries/ras.c +++ b/arch/powerpc/platforms/pseries/ras.c @@ -132,7 +132,7 @@ static int __init init_ras_IRQ(void) of_node_put(np); } - return 1; + return 0; } __initcall(init_ras_IRQ); diff --git a/arch/powerpc/platforms/pseries/reconfig.c b/arch/powerpc/platforms/pseries/reconfig.c index 5ad90676567..1773103354b 100644 --- a/arch/powerpc/platforms/pseries/reconfig.c +++ b/arch/powerpc/platforms/pseries/reconfig.c @@ -17,8 +17,9 @@ #include <linux/proc_fs.h> #include <asm/prom.h> -#include <asm/pSeries_reconfig.h> +#include <asm/machdep.h> #include <asm/uaccess.h> +#include <asm/pSeries_reconfig.h> @@ -508,7 +509,7 @@ static int proc_ppc64_create_ofdt(void) { struct proc_dir_entry *ent; - if (!platform_is_pseries()) + if (!machine_is(pseries)) return 0; ent = create_proc_entry("ppc64/ofdt", S_IWUSR, NULL); diff --git a/arch/powerpc/platforms/pseries/rtasd.c b/arch/powerpc/platforms/pseries/rtasd.c index a6f628d4c9d..fcc4d561a23 100644 --- a/arch/powerpc/platforms/pseries/rtasd.c +++ b/arch/powerpc/platforms/pseries/rtasd.c @@ -27,6 +27,7 @@ #include <asm/prom.h> #include <asm/nvram.h> #include <asm/atomic.h> +#include <asm/machdep.h> #if 0 #define DEBUG(A...) printk(KERN_ERR A) @@ -481,7 +482,7 @@ static int __init rtas_init(void) { struct proc_dir_entry *entry; - if (!platform_is_pseries()) + if (!machine_is(pseries)) return 0; /* No RTAS */ diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c index 44d5c7fdcd9..b2fbf8ba8fb 100644 --- a/arch/powerpc/platforms/pseries/setup.c +++ b/arch/powerpc/platforms/pseries/setup.c @@ -81,8 +81,8 @@ extern void find_udbg_vterm(void); int fwnmi_active; /* TRUE if an FWNMI handler is present */ -static void pseries_shared_idle(void); -static void pseries_dedicated_idle(void); +static void pseries_shared_idle_sleep(void); +static void pseries_dedicated_idle_sleep(void); struct mpic *pSeries_mpic; @@ -236,14 +236,13 @@ static void __init pSeries_setup_arch(void) vpa_init(boot_cpuid); if (get_lppaca()->shared_proc) { printk(KERN_INFO "Using shared processor idle loop\n"); - ppc_md.idle_loop = pseries_shared_idle; + ppc_md.power_save = pseries_shared_idle_sleep; } else { printk(KERN_INFO "Using dedicated idle loop\n"); - ppc_md.idle_loop = pseries_dedicated_idle; + ppc_md.power_save = pseries_dedicated_idle_sleep; } } else { printk(KERN_INFO "Using default idle loop\n"); - ppc_md.idle_loop = default_idle; } if (firmware_has_feature(FW_FEATURE_LPAR)) @@ -373,156 +372,123 @@ static int pSeries_check_legacy_ioport(unsigned int baseport) /* * Called very early, MMU is off, device-tree isn't unflattened */ -extern struct machdep_calls pSeries_md; -static int __init pSeries_probe(int platform) +static int __init pSeries_probe_hypertas(unsigned long node, + const char *uname, int depth, + void *data) { - if (platform != PLATFORM_PSERIES && - platform != PLATFORM_PSERIES_LPAR) - return 0; - - /* if we have some ppc_md fixups for LPAR to do, do - * it here ... - */ + if (depth != 1 || + (strcmp(uname, "rtas") != 0 && strcmp(uname, "rtas@0") != 0)) + return 0; - if (platform == PLATFORM_PSERIES_LPAR) - ppc64_firmware_features |= FW_FEATURE_LPAR; + if (of_get_flat_dt_prop(node, "ibm,hypertas-functions", NULL) != NULL) + powerpc_firmware_features |= FW_FEATURE_LPAR; - return 1; + return 1; } -DECLARE_PER_CPU(unsigned long, smt_snooze_delay); - -static inline void dedicated_idle_sleep(unsigned int cpu) +static int __init pSeries_probe(void) { - struct lppaca *plppaca = &lppaca[cpu ^ 1]; + char *dtype = of_get_flat_dt_prop(of_get_flat_dt_root(), + "device_type", NULL); + if (dtype == NULL) + return 0; + if (strcmp(dtype, "chrp")) + return 0; - /* Only sleep if the other thread is not idle */ - if (!(plppaca->idle)) { - local_irq_disable(); + DBG("pSeries detected, looking for LPAR capability...\n"); - /* - * We are about to sleep the thread and so wont be polling any - * more. - */ - clear_thread_flag(TIF_POLLING_NRFLAG); - smp_mb__after_clear_bit(); - - /* - * SMT dynamic mode. Cede will result in this thread going - * dormant, if the partner thread is still doing work. Thread - * wakes up if partner goes idle, an interrupt is presented, or - * a prod occurs. Returning from the cede enables external - * interrupts. - */ - if (!need_resched()) - cede_processor(); - else - local_irq_enable(); - set_thread_flag(TIF_POLLING_NRFLAG); - } else { - /* - * Give the HV an opportunity at the processor, since we are - * not doing any work. - */ - poll_pending(); - } + /* Now try to figure out if we are running on LPAR */ + of_scan_flat_dt(pSeries_probe_hypertas, NULL); + + DBG("Machine is%s LPAR !\n", + (powerpc_firmware_features & FW_FEATURE_LPAR) ? "" : " not"); + + return 1; } -static void pseries_dedicated_idle(void) + +DECLARE_PER_CPU(unsigned long, smt_snooze_delay); + +static void pseries_dedicated_idle_sleep(void) { unsigned int cpu = smp_processor_id(); unsigned long start_snooze; unsigned long *smt_snooze_delay = &__get_cpu_var(smt_snooze_delay); - set_thread_flag(TIF_POLLING_NRFLAG); - - while (1) { - /* - * Indicate to the HV that we are idle. Now would be - * a good time to find other work to dispatch. - */ - get_lppaca()->idle = 1; - - if (!need_resched()) { - start_snooze = get_tb() + - *smt_snooze_delay * tb_ticks_per_usec; - - while (!need_resched() && !cpu_is_offline(cpu)) { - ppc64_runlatch_off(); - - /* - * Go into low thread priority and possibly - * low power mode. - */ - HMT_low(); - HMT_very_low(); - - if (*smt_snooze_delay != 0 && - get_tb() > start_snooze) { - HMT_medium(); - dedicated_idle_sleep(cpu); - } - - } - - HMT_medium(); - } - - get_lppaca()->idle = 0; - ppc64_runlatch_on(); - preempt_enable_no_resched(); - schedule(); - preempt_disable(); + /* + * Indicate to the HV that we are idle. Now would be + * a good time to find other work to dispatch. + */ + get_lppaca()->idle = 1; - if (cpu_is_offline(cpu) && system_state == SYSTEM_RUNNING) - cpu_die(); - } -} + /* + * We come in with interrupts disabled, and need_resched() + * has been checked recently. If we should poll for a little + * while, do so. + */ + if (*smt_snooze_delay) { + start_snooze = get_tb() + + *smt_snooze_delay * tb_ticks_per_usec; + local_irq_enable(); + set_thread_flag(TIF_POLLING_NRFLAG); -static void pseries_shared_idle(void) -{ - unsigned int cpu = smp_processor_id(); + while (get_tb() < start_snooze) { + if (need_resched() || cpu_is_offline(cpu)) + goto out; + ppc64_runlatch_off(); + HMT_low(); + HMT_very_low(); + } - while (1) { - /* - * Indicate to the HV that we are idle. Now would be - * a good time to find other work to dispatch. - */ - get_lppaca()->idle = 1; + HMT_medium(); + clear_thread_flag(TIF_POLLING_NRFLAG); + smp_mb(); + local_irq_disable(); + if (need_resched() || cpu_is_offline(cpu)) + goto out; + } - while (!need_resched() && !cpu_is_offline(cpu)) { - local_irq_disable(); - ppc64_runlatch_off(); + /* + * Cede if the other thread is not idle, so that it can + * go single-threaded. If the other thread is idle, + * we ask the hypervisor if it has pending work it + * wants to do and cede if it does. Otherwise we keep + * polling in order to reduce interrupt latency. + * + * Doing the cede when the other thread is active will + * result in this thread going dormant, meaning the other + * thread gets to run in single-threaded (ST) mode, which + * is slightly faster than SMT mode with this thread at + * very low priority. The cede enables interrupts, which + * doesn't matter here. + */ + if (!lppaca[cpu ^ 1].idle || poll_pending() == H_Pending) + cede_processor(); - /* - * Yield the processor to the hypervisor. We return if - * an external interrupt occurs (which are driven prior - * to returning here) or if a prod occurs from another - * processor. When returning here, external interrupts - * are enabled. - * - * Check need_resched() again with interrupts disabled - * to avoid a race. - */ - if (!need_resched()) - cede_processor(); - else - local_irq_enable(); - - HMT_medium(); - } +out: + HMT_medium(); + get_lppaca()->idle = 0; +} - get_lppaca()->idle = 0; - ppc64_runlatch_on(); +static void pseries_shared_idle_sleep(void) +{ + /* + * Indicate to the HV that we are idle. Now would be + * a good time to find other work to dispatch. + */ + get_lppaca()->idle = 1; - preempt_enable_no_resched(); - schedule(); - preempt_disable(); + /* + * Yield the processor to the hypervisor. We return if + * an external interrupt occurs (which are driven prior + * to returning here) or if a prod occurs from another + * processor. When returning here, external interrupts + * are enabled. + */ + cede_processor(); - if (cpu_is_offline(cpu) && system_state == SYSTEM_RUNNING) - cpu_die(); - } + get_lppaca()->idle = 0; } static int pSeries_pci_probe_mode(struct pci_bus *bus) @@ -553,7 +519,8 @@ static void pseries_kexec_cpu_down(int crash_shutdown, int secondary) } #endif -struct machdep_calls __initdata pSeries_md = { +define_machine(pseries) { + .name = "pSeries", .probe = pSeries_probe, .setup_arch = pSeries_setup_arch, .init_early = pSeries_init_early, diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c index eb86cdb9b80..4864cb32be2 100644 --- a/arch/powerpc/platforms/pseries/xics.c +++ b/arch/powerpc/platforms/pseries/xics.c @@ -500,7 +500,7 @@ nextnode: np; np = of_find_node_by_type(np, "cpu")) { ireg = (uint *)get_property(np, "reg", &ilen); - if (ireg && ireg[0] == boot_cpuid_phys) { + if (ireg && ireg[0] == get_hard_smp_processor_id(boot_cpuid)) { ireg = (uint *)get_property(np, "ibm,ppc-interrupt-gserver#s", &ilen); i = ilen / sizeof(int); @@ -541,7 +541,7 @@ nextnode: ops = &pSeriesLP_ops; else { #ifdef CONFIG_SMP - for_each_cpu(i) { + for_each_possible_cpu(i) { int hard_id; /* FIXME: Do this dynamically! --RR */ diff --git a/arch/ppc/Kconfig b/arch/ppc/Kconfig index 3a3e302b4ea..e9a8f5d1dfc 100644 --- a/arch/ppc/Kconfig +++ b/arch/ppc/Kconfig @@ -61,15 +61,15 @@ config 6xx select PPC_FPU help There are four types of PowerPC chips supported. The more common - types (601, 603, 604, 740, 750, 7400), the Motorola embedded - versions (821, 823, 850, 855, 860, 52xx, 82xx, 83xx), the IBM - embedded versions (403 and 405) and the POWER3 processor. - (For support for more recent 64-bit processors, set ARCH=powerpc.) + types (601, 603, 604, 740, 750, 7400), the older Freescale + (formerly Motorola) embedded versions (821, 823, 850, 855, 860, + 52xx, 82xx, 83xx), the IBM embedded versions (403 and 405) and + the Book E embedded processors from IBM (44x) and Freescale (85xx). + For support for 64-bit processors, set ARCH=powerpc. Unless you are building a kernel for one of the embedded processor - systems or a POWER3-based IBM RS/6000, choose 6xx. - Note that the kernel runs in 32-bit mode even on 64-bit chips. - Also note that because the 52xx, 82xx, & 83xx family has a 603e core, - specific support for that chipset is asked later on. + systems, choose 6xx. + Also note that because the 52xx, 82xx, & 83xx family have a 603e + core, specific support for that chipset is asked later on. config 40x bool "40x" @@ -77,10 +77,6 @@ config 40x config 44x bool "44x" -config POWER3 - select PPC_FPU - bool "POWER3" - config 8xx bool "8xx" @@ -252,14 +248,9 @@ config PPC601_SYNC_FIX source arch/ppc/platforms/4xx/Kconfig source arch/ppc/platforms/85xx/Kconfig -config PPC64BRIDGE - bool - depends on POWER3 - default y - config PPC_STD_MMU bool - depends on 6xx || POWER3 + depends on 6xx default y config NOT_COHERENT_CACHE @@ -534,8 +525,8 @@ endmenu choice prompt "Machine Type" - depends on 6xx || POWER3 - default PPC_MULTIPLATFORM + depends on 6xx + default PPC_PREP ---help--- Linux currently supports several different kinds of PowerPC-based machines: Apple Power Macintoshes and clones (such as the Motorola @@ -545,15 +536,14 @@ choice Platform) machines (including all of the recent IBM RS/6000 and pSeries machines), and several embedded PowerPC systems containing 4xx, 6xx, 7xx, 8xx, 74xx, and 82xx processors. Currently, the - default option is to build a kernel which works on PReP and CHRP. + default option is to build a kernel which works on PReP. - Note that support for Apple machines is now only available with - ARCH=powerpc, and has been removed from this menu. If you wish - to build a kernel for an Apple machine, exit this configuration - process and re-run it with ARCH=powerpc. + Note that support for Apple and CHRP machines is now only available + with ARCH=powerpc, and has been removed from this menu. If you + wish to build a kernel for an Apple or CHRP machine, exit this + configuration process and re-run it with ARCH=powerpc. - Select CHRP/PReP if configuring for an IBM RS/6000 or - pSeries machine, or a PReP machine. + Select PReP if configuring for a PReP machine. Select Gemini if configuring for a Synergy Microsystems' Gemini series Single Board Computer. More information is available at: @@ -562,8 +552,8 @@ choice Select APUS if configuring for a PowerUP Amiga. More information is available at: <http://linux-apus.sourceforge.net/>. -config PPC_MULTIPLATFORM - bool "CHRP/PReP" +config PPC_PREP + bool "PReP" config APUS bool "Amiga-APUS" @@ -715,6 +705,13 @@ config LITE5200 much but it's only been tested on this board version. I think this board is also known as IceCube. +config LITE5200B + bool "Freescale LITE5200B" + depends LITE5200 + help + Support for the LITE5200B dev board for the MPC5200 from Freescale. + This is the new board with 2 PCI slots. + config MPC834x_SYS bool "Freescale MPC834x SYS" help @@ -800,25 +797,6 @@ config CPM2 you wish to build a kernel for a machine with a CPM2 coprocessor on it (826x, 827x, 8560). -config PPC_CHRP - bool "Support for CHRP (Common Hardware Reference Platform) machines" - depends on PPC_MULTIPLATFORM - select PPC_I8259 - select PPC_INDIRECT_PCI - default y - -config PPC_PREP - bool "Support for PReP (PowerPC Reference Platform) machines" - depends on PPC_MULTIPLATFORM - select PPC_I8259 - select PPC_INDIRECT_PCI - default y - -config PPC_OF - bool - depends on PPC_CHRP - default y - config PPC_GEN550 bool depends on SANDPOINT || SPRUCE || PPLUS || \ @@ -977,14 +955,6 @@ source "mm/Kconfig" source "fs/Kconfig.binfmt" -config PROC_DEVICETREE - bool "Support for Open Firmware device tree in /proc" - depends on PPC_OF && PROC_FS - help - This option adds a device-tree directory under /proc which contains - an image of the device tree that the kernel copies from Open - Firmware. If unsure, say Y here. - config PREP_RESIDUAL bool "Support for PReP Residual Data" depends on PPC_PREP @@ -1177,8 +1147,7 @@ menu "Bus options" config ISA bool "Support for ISA-bus hardware" - depends on PPC_PREP || PPC_CHRP - select PPC_I8259 + depends on PPC_PREP 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 @@ -1188,18 +1157,18 @@ config ISA config GENERIC_ISA_DMA bool - depends on POWER3 || 6xx && !CPM2 + depends on 6xx && !CPM2 default y config PPC_I8259 bool - default y if 85xx + default y if 85xx || PPC_PREP default n config PPC_INDIRECT_PCI bool depends on PCI - default y if 40x || 44x || 85xx || 83xx + default y if 40x || 44x || 85xx || 83xx || PPC_PREP default n config EISA @@ -1390,7 +1359,7 @@ config CONSISTENT_SIZE config BOOT_LOAD_BOOL bool "Set the boot link/load address" - depends on ADVANCED_OPTIONS && !PPC_MULTIPLATFORM + depends on ADVANCED_OPTIONS && !PPC_PREP help This option allows you to set the initial load address of the zImage or zImage.initrd file. This can be useful if you are on a board diff --git a/arch/ppc/Kconfig.debug b/arch/ppc/Kconfig.debug index 8cc75abf3d8..f94b8774097 100644 --- a/arch/ppc/Kconfig.debug +++ b/arch/ppc/Kconfig.debug @@ -53,13 +53,6 @@ config BDI_SWITCH Unless you are intending to debug the kernel with one of these machines, say N here. -config BOOTX_TEXT - bool "Support for early boot text console (BootX or OpenFirmware only)" - depends PPC_OF - help - Say Y here to see progress messages from the boot firmware in text - mode. Requires either BootX or Open Firmware. - config SERIAL_TEXT_DEBUG bool "Support for early boot texts over serial port" depends on 4xx || LOPEC || MV64X60 || PPLUS || PRPMC800 || \ diff --git a/arch/ppc/Makefile b/arch/ppc/Makefile index 9fbdf54ba2b..0db66dcf072 100644 --- a/arch/ppc/Makefile +++ b/arch/ppc/Makefile @@ -40,10 +40,8 @@ ifndef CONFIG_FSL_BOOKE CFLAGS += -mstring endif -cpu-as-$(CONFIG_PPC64BRIDGE) += -Wa,-mppc64bridge cpu-as-$(CONFIG_4xx) += -Wa,-m405 cpu-as-$(CONFIG_6xx) += -Wa,-maltivec -cpu-as-$(CONFIG_POWER4) += -Wa,-maltivec cpu-as-$(CONFIG_E500) += -Wa,-me500 cpu-as-$(CONFIG_E200) += -Wa,-me200 @@ -59,8 +57,6 @@ head-$(CONFIG_4xx) := arch/ppc/kernel/head_4xx.o head-$(CONFIG_44x) := arch/ppc/kernel/head_44x.o head-$(CONFIG_FSL_BOOKE) := arch/ppc/kernel/head_fsl_booke.o -head-$(CONFIG_6xx) += arch/ppc/kernel/idle_6xx.o -head-$(CONFIG_POWER4) += arch/ppc/kernel/idle_power4.o head-$(CONFIG_PPC_FPU) += arch/powerpc/kernel/fpu.o core-y += arch/ppc/kernel/ arch/powerpc/kernel/ \ @@ -71,7 +67,7 @@ core-y += arch/ppc/kernel/ arch/powerpc/kernel/ \ core-$(CONFIG_4xx) += arch/ppc/platforms/4xx/ core-$(CONFIG_83xx) += arch/ppc/platforms/83xx/ core-$(CONFIG_85xx) += arch/ppc/platforms/85xx/ -core-$(CONFIG_MATH_EMULATION) += arch/ppc/math-emu/ +core-$(CONFIG_MATH_EMULATION) += arch/powerpc/math-emu/ core-$(CONFIG_XMON) += arch/ppc/xmon/ core-$(CONFIG_APUS) += arch/ppc/amiga/ drivers-$(CONFIG_8xx) += arch/ppc/8xx_io/ diff --git a/arch/ppc/boot/Makefile b/arch/ppc/boot/Makefile index 84eec0bef93..b739e25d472 100644 --- a/arch/ppc/boot/Makefile +++ b/arch/ppc/boot/Makefile @@ -19,14 +19,13 @@ HOSTCFLAGS += -Iarch/$(ARCH)/boot/include BOOT_TARGETS = zImage zImage.initrd znetboot znetboot.initrd bootdir-y := simple -bootdir-$(CONFIG_PPC_OF) += openfirmware subdir-y := lib common images -subdir-$(CONFIG_PPC_MULTIPLATFORM) += of1275 +subdir-$(CONFIG_PPC_PREP) += of1275 # for cleaning -subdir- += simple openfirmware +subdir- += simple -hostprogs-y := $(addprefix utils/, addnote mknote hack-coff mkprep mkbugboot mktree) +hostprogs-y := $(addprefix utils/, mkprep mkbugboot mktree) PHONY += $(BOOT_TARGETS) $(bootdir-y) diff --git a/arch/ppc/boot/openfirmware/Makefile b/arch/ppc/boot/openfirmware/Makefile deleted file mode 100644 index 66b73974375..00000000000 --- a/arch/ppc/boot/openfirmware/Makefile +++ /dev/null @@ -1,109 +0,0 @@ -# Makefile for making bootable images on various OpenFirmware machines. -# -# This file is included by the global makefile so that you can add your own -# architecture-specific flags and dependencies. -# -# Paul Mackerras January 1997 -# XCOFF bootable images for PowerMacs -# Geert Uytterhoeven September 1997 -# ELF bootable iamges for CHRP machines. -# Tom Rini January 2001 -# Cleaned up, moved into arch/ppc/boot/pmac -# Tom Rini July/August 2002 -# Merged 'chrp' and 'pmac' into 'openfirmware', and cleaned up the -# rules. - -zImage.initrd znetboot.initrd: del-ramdisk-sec := -R .ramdisk -zImage.initrd znetboot.initrd: initrd := .initrd - - -boot := arch/ppc/boot -common := $(boot)/common -utils := $(boot)/utils -bootlib := $(boot)/lib -of1275 := $(boot)/of1275 -images := $(boot)/images - -CHRP_LD_ARGS := -T $(srctree)/$(boot)/ld.script -e _start -Ttext 0x00800000 - -COMMONOBJS := start.o misc.o common.o -CHRPOBJS := crt0.o $(COMMONOBJS) chrpmain.o - -targets := $(CHRPOBJS) dummy.o -CHRPOBJS := $(addprefix $(obj)/, $(CHRPOBJS)) - -LIBS := lib/lib.a $(bootlib)/lib.a $(of1275)/lib.a $(common)/lib.a - -ifdef CONFIG_SMP -END := .smp -endif -ifdef CONFIG_PPC64BRIDGE -END += .64 -endif - - -$(images)/ramdisk.image.gz: - @echo ' MISSING $@' - @echo ' RAM disk image must be provided separately' - @/bin/false - -quiet_cmd_genimage = GEN $@ - cmd_genimage = $(OBJCOPY) -R .comment \ - --add-section=.image=$(images)/vmlinux.gz \ - --set-section-flags=.image=contents,alloc,load,readonly,data $< $@ - -targets += image.o -$(obj)/image.o: $(obj)/dummy.o $(images)/vmlinux.gz FORCE - $(call if_changed,genimage) - -# Place the ramdisk in the initrd image. -quiet_cmd_genimage-initrd = GEN $@ - cmd_genimage-initrd = $(OBJCOPY) $< $@ \ - --add-section=.ramdisk=$(images)/ramdisk.image.gz \ - --set-section-flags=.ramdisk=contents,alloc,load,readonly,data -targets += image.initrd.o -$(obj)/image.initrd.o: $(obj)/image.o $(images)/ramdisk.image.gz FORCE - $(call if_changed,genimage-initrd) - - -targets += crt0.o -$(obj)/crt0.o: $(common)/crt0.S FORCE - $(call if_changed_dep,as_o_S) - -quiet_cmd_gen-chrp = CHRP $@ - cmd_gen-chrp = $(LD) $(CHRP_LD_ARGS) -o $@ $(CHRPOBJS) $< $(LIBS) && \ - $(OBJCOPY) $@ $@ -R .comment $(del-ramdisk-sec) - -$(images)/zImage.chrp: $(obj)/image.o $(CHRPOBJS) $(LIBS) \ - $(srctree)/$(boot)/ld.script - $(call cmd,gen-chrp) -$(images)/zImage.initrd.chrp: $(obj)/image.initrd.o $(CHRPOBJS) $(LIBS) \ - $(srctree)/$(boot)/ld.script - $(call cmd,gen-chrp) - -quiet_cmd_addnote = ADDNOTE $@ - cmd_addnote = cat $< > $@ && $(utils)/addnote $@ -$(images)/zImage.chrp-rs6k $(images)/zImage.initrd.chrp-rs6k: \ - %-rs6k: % - $(call cmd,addnote) - -# The targets used on the make command-line - -PHONY += zImage zImage.initrd -zImage: $(images)/zImage.chrp \ - $(images)/zImage.chrp-rs6k - @echo ' kernel: $@ is ready ($<)' -zImage.initrd: $(images)/zImage.initrd.chrp \ - $(images)/zImage.initrd.chrp-rs6k - @echo ' kernel: $@ is ready ($<)' - -TFTPIMAGE := /tftpboot/zImage - -PHONY += znetboot znetboot.initrd -znetboot: $(images)/zImage.chrp - cp $(images)/zImage.chrp $(TFTPIMAGE).chrp$(END) - @echo ' kernel: $@ is ready ($<)' -znetboot.initrd:$(images)/zImage.initrd.chrp - cp $(images)/zImage.initrd.chrp $(TFTPIMAGE).chrp$(END) - @echo ' kernel: $@ is ready ($<)' - diff --git a/arch/ppc/boot/openfirmware/chrpmain.c b/arch/ppc/boot/openfirmware/chrpmain.c deleted file mode 100644 index 245dbd9fc12..00000000000 --- a/arch/ppc/boot/openfirmware/chrpmain.c +++ /dev/null @@ -1,101 +0,0 @@ -/* - * Copyright (C) Paul Mackerras 1997. - * - * 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/string.h> -#include "nonstdio.h" -#include "of1275.h" -#include <asm/processor.h> -#include <asm/page.h> - -/* Passed from the linker */ -extern char __image_begin, __image_end; -extern char __ramdisk_begin, __ramdisk_end; -extern char _start, _end; - -extern unsigned int heap_max; -extern void flush_cache(void *, unsigned long); -extern void gunzip(void *, int, unsigned char *, int *); -extern void make_bi_recs(unsigned long addr, char *name, unsigned int mach, - unsigned int progend); - -char *avail_ram; -char *begin_avail, *end_avail; -char *avail_high; - -#define RAM_START 0x00000000 -#define RAM_END (64<<20) - -#define BOOT_START ((unsigned long)_start) -#define BOOT_END ((unsigned long)(_end + 0xFFF) & ~0xFFF) - -#define RAM_FREE ((unsigned long)(_end+0x1000)&~0xFFF) -#define PROG_START 0x00010000 -#define PROG_SIZE 0x007f0000 /* 8MB */ - -#define SCRATCH_SIZE (128 << 10) - -static char scratch[SCRATCH_SIZE]; /* 128k of scratch space for gunzip */ - -typedef void (*kernel_start_t)(int, int, void *, unsigned int, unsigned int); - -void -boot(int a1, int a2, void *prom) -{ - unsigned sa, len; - void *dst; - unsigned char *im; - unsigned int initrd_size, initrd_start; - - printf("chrpboot starting: loaded at 0x%p\n\r", &_start); - - initrd_size = &__ramdisk_end - &__ramdisk_begin; - if (initrd_size) { - initrd_start = (RAM_END - initrd_size) & ~0xFFF; - a1 = initrd_start; - a2 = initrd_size; - claim(initrd_start, RAM_END - initrd_start, 0); - printf("initial ramdisk moving 0x%x <- 0x%p (%x bytes)\n\r", - initrd_start, &__ramdisk_begin, initrd_size); - memcpy((char *)initrd_start, &__ramdisk_begin, initrd_size); - } else { - initrd_start = 0; - initrd_size = 0; - a2 = 0xdeadbeef; - } - - im = &__image_begin; - len = &__image_end - &__image_begin; - /* claim 4MB starting at PROG_START */ - claim(PROG_START, PROG_SIZE - PROG_START, 0); - dst = (void *) PROG_START; - if (im[0] == 0x1f && im[1] == 0x8b) { - avail_ram = scratch; - begin_avail = avail_high = avail_ram; - end_avail = scratch + sizeof(scratch); - printf("gunzipping (0x%p <- 0x%p:0x%p)...", dst, im, im+len); - gunzip(dst, PROG_SIZE - PROG_START, im, &len); - printf("done %u bytes\n\r", len); - printf("%u bytes of heap consumed, max in use %u\n\r", - avail_high - begin_avail, heap_max); - } else { - memmove(dst, im, len); - } - - flush_cache(dst, len); - make_bi_recs(((unsigned long) dst + len), "chrpboot", _MACH_chrp, - (PROG_START + PROG_SIZE)); - - sa = PROG_START; - printf("start address = 0x%x\n\r", sa); - - (*(kernel_start_t)sa)(a1, a2, prom, initrd_start, initrd_size); - - printf("returned?\n\r"); - - pause(); -} diff --git a/arch/ppc/boot/openfirmware/common.c b/arch/ppc/boot/openfirmware/common.c deleted file mode 100644 index 0f46756a903..00000000000 --- a/arch/ppc/boot/openfirmware/common.c +++ /dev/null @@ -1,146 +0,0 @@ -/* - * Copyright (C) Paul Mackerras 1997. - * - * 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 "nonstdio.h" -#include "of1275.h" -#include <linux/string.h> -#include <linux/zlib.h> -#include <asm/bootinfo.h> -#include <asm/page.h> - -/* Information from the linker */ - -extern int strcmp(const char *s1, const char *s2); -extern char *avail_ram, *avail_high; -extern char *end_avail; - -unsigned int heap_use, heap_max; - -struct memchunk { - unsigned int size; - struct memchunk *next; -}; - -static struct memchunk *freechunks; - -static void *zalloc(unsigned size) -{ - void *p; - struct memchunk **mpp, *mp; - - size = (size + 7) & -8; - heap_use += size; - if (heap_use > heap_max) - heap_max = heap_use; - for (mpp = &freechunks; (mp = *mpp) != 0; mpp = &mp->next) { - if (mp->size == size) { - *mpp = mp->next; - return mp; - } - } - p = avail_ram; - avail_ram += size; - if (avail_ram > avail_high) - avail_high = avail_ram; - if (avail_ram > end_avail) { - printf("oops... out of memory\n\r"); - pause(); - } - return p; -} - -#define HEAD_CRC 2 -#define EXTRA_FIELD 4 -#define ORIG_NAME 8 -#define COMMENT 0x10 -#define RESERVED 0xe0 - -void gunzip(void *dst, int dstlen, unsigned char *src, int *lenp) -{ - z_stream s; - int r, i, flags; - - /* skip header */ - i = 10; - flags = src[3]; - if (src[2] != Z_DEFLATED || (flags & RESERVED) != 0) { - printf("bad gzipped data\n\r"); - exit(); - } - if ((flags & EXTRA_FIELD) != 0) - i = 12 + src[10] + (src[11] << 8); - if ((flags & ORIG_NAME) != 0) - while (src[i++] != 0) - ; - if ((flags & COMMENT) != 0) - while (src[i++] != 0) - ; - if ((flags & HEAD_CRC) != 0) - i += 2; - if (i >= *lenp) { - printf("gunzip: ran out of data in header\n\r"); - exit(); - } - - /* Initialize ourself. */ - s.workspace = zalloc(zlib_inflate_workspacesize()); - r = zlib_inflateInit2(&s, -MAX_WBITS); - if (r != Z_OK) { - printf("zlib_inflateInit2 returned %d\n\r", r); - exit(); - } - s.next_in = src + i; - s.avail_in = *lenp - i; - s.next_out = dst; - s.avail_out = dstlen; - r = zlib_inflate(&s, Z_FINISH); - if (r != Z_OK && r != Z_STREAM_END) { - printf("inflate returned %d msg: %s\n\r", r, s.msg); - exit(); - } - *lenp = s.next_out - (unsigned char *) dst; - zlib_inflateEnd(&s); -} - -/* Make a bi_rec in OF. We need to be passed a name for BI_BOOTLOADER_ID, - * a machine type for BI_MACHTYPE, and the location where the end of the - * bootloader is (PROG_START + PROG_SIZE) - */ -void make_bi_recs(unsigned long addr, char *name, unsigned int mach, - unsigned long progend) -{ - struct bi_record *rec; - - - /* leave a 1MB gap then align to the next 1MB boundary */ - addr = _ALIGN(addr+ (1<<20) - 1, (1<<20)); - /* oldworld machine seem very unhappy about this. -- Tom */ - if (addr >= progend) - claim(addr, 0x1000, 0); - - rec = (struct bi_record *)addr; - rec->tag = BI_FIRST; - rec->size = sizeof(struct bi_record); - rec = (struct bi_record *)((unsigned long)rec + rec->size); - - rec->tag = BI_BOOTLOADER_ID; - sprintf( (char *)rec->data, name); - rec->size = sizeof(struct bi_record) + strlen(name) + 1; - rec = (struct bi_record *)((unsigned long)rec + rec->size); - - rec->tag = BI_MACHTYPE; - rec->data[0] = mach; - rec->data[1] = 1; - rec->size = sizeof(struct bi_record) + 2 * sizeof(unsigned long); - rec = (struct bi_record *)((unsigned long)rec + rec->size); - - rec->tag = BI_LAST; - rec->size = sizeof(struct bi_record); - rec = (struct bi_record *)((unsigned long)rec + rec->size); -} diff --git a/arch/ppc/boot/openfirmware/dummy.c b/arch/ppc/boot/openfirmware/dummy.c deleted file mode 100644 index 31dbf45bf99..00000000000 --- a/arch/ppc/boot/openfirmware/dummy.c +++ /dev/null @@ -1,4 +0,0 @@ -int main(void) -{ - return 0; -} diff --git a/arch/ppc/boot/openfirmware/misc.S b/arch/ppc/boot/openfirmware/misc.S deleted file mode 100644 index ab9e897cadd..00000000000 --- a/arch/ppc/boot/openfirmware/misc.S +++ /dev/null @@ -1,67 +0,0 @@ -/* - * Copyright (C) Paul Mackerras 1997. - * - * 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. - */ - .text - -/* - * Use the BAT2 & 3 registers to map the 1st 16MB of RAM to - * the address given as the 1st argument. - */ - .globl setup_bats -setup_bats: - mfpvr 5 - rlwinm 5,5,16,16,31 /* r3 = 1 for 601, 4 for 604 */ - cmpwi 0,5,1 - li 0,0 - bne 4f - mtibatl 3,0 /* invalidate BAT first */ - ori 3,3,4 /* set up BAT registers for 601 */ - li 4,0x7f - mtibatu 2,3 - mtibatl 2,4 - oris 3,3,0x80 - oris 4,4,0x80 - mtibatu 3,3 - mtibatl 3,4 - b 5f -4: mtdbatu 3,0 /* invalidate BATs first */ - mtibatu 3,0 - ori 3,3,0xff /* set up BAT registers for 604 */ - li 4,2 - mtdbatl 2,4 - mtdbatu 2,3 - mtibatl 2,4 - mtibatu 2,3 - oris 3,3,0x80 - oris 4,4,0x80 - mtdbatl 3,4 - mtdbatu 3,3 - mtibatl 3,4 - mtibatu 3,3 -5: sync - isync - blr - -/* - * Flush the dcache and invalidate the icache for a range of addresses. - * - * flush_cache(addr, len) - */ - .global flush_cache -flush_cache: - addi 4,4,0x1f /* len = (len + 0x1f) / 0x20 */ - rlwinm. 4,4,27,5,31 - mtctr 4 - beqlr -1: dcbf 0,3 - icbi 0,3 - addi 3,3,0x20 - bdnz 1b - sync - isync - blr diff --git a/arch/ppc/boot/openfirmware/start.c b/arch/ppc/boot/openfirmware/start.c deleted file mode 100644 index 1617a26956b..00000000000 --- a/arch/ppc/boot/openfirmware/start.c +++ /dev/null @@ -1,172 +0,0 @@ -/* - * Copyright (C) Paul Mackerras 1997. - * - * 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 <stdarg.h> -#include "of1275.h" - -extern int strlen(const char *s); -extern void boot(int a1, int a2, void *prom); - -phandle stdin; -phandle stdout; -phandle stderr; - -void printk(char *fmt, ...); - -void -start(int a1, int a2, void *promptr) -{ - ofinit(promptr); - if (ofstdio(&stdin, &stdout, &stderr)) - exit(); - - boot(a1, a2, promptr); - for (;;) - exit(); -} - -int writestring(void *f, char *ptr, int nb) -{ - int w = 0, i; - char *ret = "\r"; - - for (i = 0; i < nb; ++i) { - if (ptr[i] == '\n') { - if (i > w) { - write(f, ptr + w, i - w); - w = i; - } - write(f, ret, 1); - } - } - if (w < nb) - write(f, ptr + w, nb - w); - return nb; -} - -int -putc(int c, void *f) -{ - char ch = c; - - return writestring(f, &ch, 1) == 1? c: -1; -} - -int -putchar(int c) -{ - return putc(c, stdout); -} - -int -fputs(char *str, void *f) -{ - int n = strlen(str); - - return writestring(f, str, n) == n? 0: -1; -} - -int -readchar(void) -{ - char ch; - - for (;;) { - switch (read(stdin, &ch, 1)) { - case 1: - return ch; - case -1: - printk("read(stdin) returned -1\n"); - return -1; - } - } -} - -static char line[256]; -static char *lineptr; -static int lineleft; - -int -getchar(void) -{ - int c; - - if (lineleft == 0) { - lineptr = line; - for (;;) { - c = readchar(); - if (c == -1 || c == 4) - break; - if (c == '\r' || c == '\n') { - *lineptr++ = '\n'; - putchar('\n'); - break; - } - switch (c) { - case 0177: - case '\b': - if (lineptr > line) { - putchar('\b'); - putchar(' '); - putchar('\b'); - --lineptr; - } - break; - case 'U' & 0x1F: - while (lineptr > line) { - putchar('\b'); - putchar(' '); - putchar('\b'); - --lineptr; - } - break; - default: - if (lineptr >= &line[sizeof(line) - 1]) - putchar('\a'); - else { - putchar(c); - *lineptr++ = c; - } - } - } - lineleft = lineptr - line; - lineptr = line; - } - if (lineleft == 0) - return -1; - --lineleft; - return *lineptr++; -} - -extern int vsprintf(char *buf, const char *fmt, va_list args); -static char sprint_buf[1024]; - -void -printk(char *fmt, ...) -{ - va_list args; - int n; - - va_start(args, fmt); - n = vsprintf(sprint_buf, fmt, args); - va_end(args); - writestring(stdout, sprint_buf, n); -} - -int -printf(char *fmt, ...) -{ - va_list args; - int n; - - va_start(args, fmt); - n = vsprintf(sprint_buf, fmt, args); - va_end(args); - writestring(stdout, sprint_buf, n); - return n; -} diff --git a/arch/ppc/boot/simple/mpc10x_memory.c b/arch/ppc/boot/simple/mpc10x_memory.c index c24290823f7..8da8f576031 100644 --- a/arch/ppc/boot/simple/mpc10x_memory.c +++ b/arch/ppc/boot/simple/mpc10x_memory.c @@ -50,10 +50,10 @@ MPC10X_PCI_OP(read, dword, u32 *, in_le32, 0) * the system. This assumes that the firmware has correctly set up the memory * controller registers. On CONFIG_PPC_PREP, we know we are being called * under a PReP memory map. On all other machines, we assume we are under - * a CHRP memory map. Further, on CONFIG_PPC_MULTIPLATFORM we must rename + * a CHRP memory map. Further, on CONFIG_PPC_PREP we must rename * this function. */ -#ifdef CONFIG_PPC_MULTIPLATFORM +#ifdef CONFIG_PPC_PREP #define get_mem_size mpc10x_get_mem_size #endif unsigned long diff --git a/arch/ppc/boot/simple/relocate.S b/arch/ppc/boot/simple/relocate.S index 7efddc50756..2533113c1cc 100644 --- a/arch/ppc/boot/simple/relocate.S +++ b/arch/ppc/boot/simple/relocate.S @@ -194,7 +194,7 @@ start_ldr: /* * Start at the begining. */ -#ifdef CONFIG_PPC_MULTIPLATFORM +#ifdef CONFIG_PPC_PREP li r9,0xc mtlr r9 /* tell kernel we're prep, by putting 0xdeadc0de at KERNELLOAD, diff --git a/arch/ppc/boot/utils/addnote.c b/arch/ppc/boot/utils/addnote.c deleted file mode 100644 index 6c52b18f2d0..00000000000 --- a/arch/ppc/boot/utils/addnote.c +++ /dev/null @@ -1,175 +0,0 @@ -/* - * Program to hack in a PT_NOTE program header entry in an ELF file. - * This is needed for OF on RS/6000s to load an image correctly. - * Note that OF needs a program header entry for the note, not an - * ELF section. - * - * Copyright 2000 Paul Mackerras. - * - * 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. - * - * Usage: addnote zImage - */ -#include <stdio.h> -#include <stdlib.h> -#include <fcntl.h> -#include <unistd.h> -#include <string.h> - -char arch[] = "PowerPC"; - -#define N_DESCR 6 -unsigned int descr[N_DESCR] = { -#if 1 - /* values for IBM RS/6000 machines */ - 0xffffffff, /* real-mode = true */ - 0x00c00000, /* real-base, i.e. where we expect OF to be */ - 0xffffffff, /* real-size */ - 0xffffffff, /* virt-base */ - 0xffffffff, /* virt-size */ - 0x4000, /* load-base */ -#else - /* values for longtrail CHRP */ - 0, /* real-mode = false */ - 0xffffffff, /* real-base */ - 0xffffffff, /* real-size */ - 0xffffffff, /* virt-base */ - 0xffffffff, /* virt-size */ - 0x00600000, /* load-base */ -#endif -}; - -unsigned char buf[512]; - -#define GET_16BE(off) ((buf[off] << 8) + (buf[(off)+1])) -#define GET_32BE(off) ((GET_16BE(off) << 16) + GET_16BE((off)+2)) - -#define PUT_16BE(off, v) (buf[off] = ((v) >> 8) & 0xff, \ - buf[(off) + 1] = (v) & 0xff) -#define PUT_32BE(off, v) (PUT_16BE((off), (v) >> 16), \ - PUT_16BE((off) + 2, (v))) - -/* Structure of an ELF file */ -#define E_IDENT 0 /* ELF header */ -#define E_PHOFF 28 -#define E_PHENTSIZE 42 -#define E_PHNUM 44 -#define E_HSIZE 52 /* size of ELF header */ - -#define EI_MAGIC 0 /* offsets in E_IDENT area */ -#define EI_CLASS 4 -#define EI_DATA 5 - -#define PH_TYPE 0 /* ELF program header */ -#define PH_OFFSET 4 -#define PH_FILESZ 16 -#define PH_HSIZE 32 /* size of program header */ - -#define PT_NOTE 4 /* Program header type = note */ - -#define ELFCLASS32 1 -#define ELFDATA2MSB 2 - -unsigned char elf_magic[4] = { 0x7f, 'E', 'L', 'F' }; - -int main(int ac, char **av) -{ - int fd, n, i; - int ph, ps, np; - int nnote, ns; - - if (ac != 2) { - fprintf(stderr, "Usage: %s elf-file\n", av[0]); - exit(1); - } - fd = open(av[1], O_RDWR); - if (fd < 0) { - perror(av[1]); - exit(1); - } - - nnote = strlen(arch) + 1 + (N_DESCR + 3) * 4; - - n = read(fd, buf, sizeof(buf)); - if (n < 0) { - perror("read"); - exit(1); - } - - if (n < E_HSIZE || memcmp(&buf[E_IDENT+EI_MAGIC], elf_magic, 4) != 0) - goto notelf; - - if (buf[E_IDENT+EI_CLASS] != ELFCLASS32 - || buf[E_IDENT+EI_DATA] != ELFDATA2MSB) { - fprintf(stderr, "%s is not a big-endian 32-bit ELF image\n", - av[1]); - exit(1); - } - - ph = GET_32BE(E_PHOFF); - ps = GET_16BE(E_PHENTSIZE); - np = GET_16BE(E_PHNUM); - if (ph < E_HSIZE || ps < PH_HSIZE || np < 1) - goto notelf; - if (ph + (np + 1) * ps + nnote > n) - goto nospace; - - for (i = 0; i < np; ++i) { - if (GET_32BE(ph + PH_TYPE) == PT_NOTE) { - fprintf(stderr, "%s already has a note entry\n", - av[1]); - exit(0); - } - ph += ps; - } - - /* XXX check that the area we want to use is all zeroes */ - for (i = 0; i < ps + nnote; ++i) - if (buf[ph + i] != 0) - goto nospace; - - /* fill in the program header entry */ - ns = ph + ps; - PUT_32BE(ph + PH_TYPE, PT_NOTE); - PUT_32BE(ph + PH_OFFSET, ns); - PUT_32BE(ph + PH_FILESZ, nnote); - - /* fill in the note area we point to */ - /* XXX we should probably make this a proper section */ - PUT_32BE(ns, strlen(arch) + 1); - PUT_32BE(ns + 4, N_DESCR * 4); - PUT_32BE(ns + 8, 0x1275); - strcpy(&buf[ns + 12], arch); - ns += 12 + strlen(arch) + 1; - for (i = 0; i < N_DESCR; ++i) - PUT_32BE(ns + i * 4, descr[i]); - - /* Update the number of program headers */ - PUT_16BE(E_PHNUM, np + 1); - - /* write back */ - lseek(fd, (long) 0, SEEK_SET); - i = write(fd, buf, n); - if (i < 0) { - perror("write"); - exit(1); - } - if (i < n) { - fprintf(stderr, "%s: write truncated\n", av[1]); - exit(1); - } - - exit(0); - - notelf: - fprintf(stderr, "%s does not appear to be an ELF file\n", av[0]); - exit(1); - - nospace: - fprintf(stderr, "sorry, I can't find space in %s to put the note\n", - av[0]); - exit(1); -} diff --git a/arch/ppc/boot/utils/hack-coff.c b/arch/ppc/boot/utils/hack-coff.c deleted file mode 100644 index 5e5a6573a1e..00000000000 --- a/arch/ppc/boot/utils/hack-coff.c +++ /dev/null @@ -1,84 +0,0 @@ -/* - * hack-coff.c - hack the header of an xcoff file to fill in - * a few fields needed by the Open Firmware xcoff loader on - * Power Macs but not initialized by objcopy. - * - * Copyright (C) Paul Mackerras 1997. - * - * 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 <stdio.h> -#include <stdlib.h> -#include <unistd.h> -#include <fcntl.h> -#include <string.h> -#include "rs6000.h" - -#define AOUT_MAGIC 0x010b - -#define get_16be(x) ((((unsigned char *)(x))[0] << 8) \ - + ((unsigned char *)(x))[1]) -#define put_16be(x, v) (((unsigned char *)(x))[0] = (v) >> 8, \ - ((unsigned char *)(x))[1] = (v) & 0xff) -#define get_32be(x) ((((unsigned char *)(x))[0] << 24) \ - + (((unsigned char *)(x))[1] << 16) \ - + (((unsigned char *)(x))[2] << 8) \ - + ((unsigned char *)(x))[3]) - -int -main(int ac, char **av) -{ - int fd; - int i, nsect; - int aoutsz; - struct external_filehdr fhdr; - AOUTHDR aout; - struct external_scnhdr shdr; - - if (ac != 2) { - fprintf(stderr, "Usage: hack-coff coff-file\n"); - exit(1); - } - if ((fd = open(av[1], 2)) == -1) { - perror(av[2]); - exit(1); - } - if (read(fd, &fhdr, sizeof(fhdr)) != sizeof(fhdr)) - goto readerr; - i = get_16be(fhdr.f_magic); - if (i != U802TOCMAGIC && i != U802WRMAGIC && i != U802ROMAGIC) { - fprintf(stderr, "%s: not an xcoff file\n", av[1]); - exit(1); - } - aoutsz = get_16be(fhdr.f_opthdr); - if (read(fd, &aout, aoutsz) != aoutsz) - goto readerr; - nsect = get_16be(fhdr.f_nscns); - for (i = 0; i < nsect; ++i) { - if (read(fd, &shdr, sizeof(shdr)) != sizeof(shdr)) - goto readerr; - if (strcmp(shdr.s_name, ".text") == 0) { - put_16be(aout.o_snentry, i+1); - put_16be(aout.o_sntext, i+1); - } else if (strcmp(shdr.s_name, ".data") == 0) { - put_16be(aout.o_sndata, i+1); - } else if (strcmp(shdr.s_name, ".bss") == 0) { - put_16be(aout.o_snbss, i+1); - } - } - put_16be(aout.magic, AOUT_MAGIC); - if (lseek(fd, (long) sizeof(struct external_filehdr), 0) == -1 - || write(fd, &aout, aoutsz) != aoutsz) { - fprintf(stderr, "%s: write error\n", av[1]); - exit(1); - } - close(fd); - exit(0); - -readerr: - fprintf(stderr, "%s: read error or file too short\n", av[1]); - exit(1); -} diff --git a/arch/ppc/boot/utils/mknote.c b/arch/ppc/boot/utils/mknote.c deleted file mode 100644 index b9fbb2cbfc8..00000000000 --- a/arch/ppc/boot/utils/mknote.c +++ /dev/null @@ -1,44 +0,0 @@ -/* - * Copyright (C) Cort Dougan 1999. - * - * 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. - * - * Generate a note section as per the CHRP specification. - * - */ - -#include <stdio.h> -#include <string.h> - -#define PL(x) printf("%c%c%c%c", ((x)>>24)&0xff, ((x)>>16)&0xff, ((x)>>8)&0xff, (x)&0xff ); - -int main(void) -{ -/* header */ - /* namesz */ - PL(strlen("PowerPC")+1); - /* descrsz */ - PL(6*4); - /* type */ - PL(0x1275); - /* name */ - printf("PowerPC"); printf("%c", 0); - -/* descriptor */ - /* real-mode */ - PL(0xffffffff); - /* real-base */ - PL(0x00c00000); - /* real-size */ - PL(0xffffffff); - /* virt-base */ - PL(0xffffffff); - /* virt-size */ - PL(0xffffffff); - /* load-base */ - PL(0x4000); - return 0; -} diff --git a/arch/ppc/configs/ibmchrp_defconfig b/arch/ppc/configs/ibmchrp_defconfig deleted file mode 100644 index 27f3e69c1f9..00000000000 --- a/arch/ppc/configs/ibmchrp_defconfig +++ /dev/null @@ -1,875 +0,0 @@ -# -# Automatically generated make config: don't edit -# -CONFIG_MMU=y -CONFIG_RWSEM_XCHGADD_ALGORITHM=y -CONFIG_HAVE_DEC_LOCK=y -CONFIG_PPC=y -CONFIG_PPC32=y -CONFIG_GENERIC_NVRAM=y - -# -# Code maturity level options -# -CONFIG_EXPERIMENTAL=y -CONFIG_CLEAN_COMPILE=y -# CONFIG_STANDALONE is not set -CONFIG_BROKEN_ON_SMP=y - -# -# General setup -# -CONFIG_SWAP=y -CONFIG_SYSVIPC=y -CONFIG_POSIX_MQUEUE=y -# CONFIG_BSD_PROCESS_ACCT is not set -CONFIG_SYSCTL=y -# CONFIG_AUDIT is not set -CONFIG_LOG_BUF_SHIFT=14 -# CONFIG_HOTPLUG is not set -CONFIG_IKCONFIG=y -CONFIG_IKCONFIG_PROC=y -# CONFIG_EMBEDDED is not set -CONFIG_KALLSYMS=y -CONFIG_FUTEX=y -CONFIG_EPOLL=y -CONFIG_IOSCHED_NOOP=y -CONFIG_IOSCHED_AS=y -CONFIG_IOSCHED_DEADLINE=y -CONFIG_IOSCHED_CFQ=y -# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set - -# -# Loadable module support -# -CONFIG_MODULES=y -CONFIG_MODULE_UNLOAD=y -CONFIG_MODULE_FORCE_UNLOAD=y -CONFIG_OBSOLETE_MODPARM=y -# CONFIG_MODVERSIONS is not set -CONFIG_KMOD=y - -# -# Processor -# -CONFIG_6xx=y -# CONFIG_40x is not set -# CONFIG_44x is not set -# CONFIG_POWER3 is not set -# CONFIG_POWER4 is not set -# CONFIG_8xx is not set -# CONFIG_ALTIVEC is not set -# CONFIG_TAU is not set -# CONFIG_CPU_FREQ is not set -# CONFIG_PPC601_SYNC_FIX is not set -CONFIG_PPC_STD_MMU=y - -# -# Platform options -# -CONFIG_PPC_MULTIPLATFORM=y -# CONFIG_APUS is not set -# CONFIG_WILLOW is not set -# CONFIG_PCORE is not set -# CONFIG_POWERPMC250 is not set -# CONFIG_EV64260 is not set -# CONFIG_SPRUCE is not set -# CONFIG_LOPEC is not set -# CONFIG_MCPN765 is not set -# CONFIG_MVME5100 is not set -# CONFIG_PPLUS is not set -# CONFIG_PRPMC750 is not set -# CONFIG_PRPMC800 is not set -# CONFIG_SANDPOINT is not set -# CONFIG_ADIR is not set -# CONFIG_K2 is not set -# CONFIG_PAL4 is not set -# CONFIG_GEMINI is not set -# CONFIG_EST8260 is not set -# CONFIG_SBS8260 is not set -# CONFIG_RPX6 is not set -# CONFIG_TQM8260 is not set -CONFIG_PPC_CHRP=y -CONFIG_PPC_PMAC=y -CONFIG_PPC_PREP=y -CONFIG_PPC_OF=y -CONFIG_PPCBUG_NVRAM=y -# CONFIG_SMP is not set -# CONFIG_PREEMPT is not set -CONFIG_HIGHMEM=y -CONFIG_KERNEL_ELF=y -CONFIG_BINFMT_ELF=y -CONFIG_BINFMT_MISC=y -CONFIG_PROC_DEVICETREE=y -CONFIG_PPC_RTAS=y -# CONFIG_PREP_RESIDUAL is not set -# CONFIG_CMDLINE_BOOL is not set - -# -# Bus options -# -CONFIG_ISA=y -CONFIG_GENERIC_ISA_DMA=y -CONFIG_PCI=y -CONFIG_PCI_DOMAINS=y -CONFIG_PCI_LEGACY_PROC=y -CONFIG_PCI_NAMES=y - -# -# Advanced setup -# -# CONFIG_ADVANCED_OPTIONS is not set - -# -# Default settings for advanced configuration options are used -# -CONFIG_HIGHMEM_START=0xfe000000 -CONFIG_LOWMEM_SIZE=0x30000000 -CONFIG_KERNEL_START=0xc0000000 -CONFIG_TASK_SIZE=0x80000000 -CONFIG_BOOT_LOAD=0x00800000 - -# -# Device Drivers -# - -# -# Generic Driver Options -# - -# -# Memory Technology Devices (MTD) -# -# CONFIG_MTD is not set - -# -# Parallel port support -# -# CONFIG_PARPORT is not set - -# -# Plug and Play support -# -# CONFIG_PNP is not set - -# -# Block devices -# -CONFIG_BLK_DEV_FD=y -# CONFIG_BLK_DEV_XD 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 -# CONFIG_BLK_DEV_UMEM 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_CARMEL is not set -CONFIG_BLK_DEV_RAM=y -CONFIG_BLK_DEV_RAM_SIZE=4096 -CONFIG_BLK_DEV_INITRD=y -CONFIG_LBD=y - -# -# ATA/ATAPI/MFM/RLL support -# -# CONFIG_IDE is not set - -# -# SCSI device support -# -CONFIG_SCSI=y -CONFIG_SCSI_PROC_FS=y - -# -# SCSI support type (disk, tape, CD-ROM) -# -CONFIG_BLK_DEV_SD=y -CONFIG_CHR_DEV_ST=y -# CONFIG_CHR_DEV_OSST is not set -CONFIG_BLK_DEV_SR=y -CONFIG_BLK_DEV_SR_VENDOR=y -CONFIG_CHR_DEV_SG=y - -# -# Some SCSI devices (e.g. CD jukebox) support multiple LUNs -# -# CONFIG_SCSI_MULTI_LUN is not set -# CONFIG_SCSI_REPORT_LUNS is not set -CONFIG_SCSI_CONSTANTS=y -# CONFIG_SCSI_LOGGING is not set - -# -# SCSI Transport Attributes -# -CONFIG_SCSI_SPI_ATTRS=y -# CONFIG_SCSI_FC_ATTRS is not set - -# -# SCSI low-level drivers -# -# CONFIG_BLK_DEV_3W_XXXX_RAID is not set -# CONFIG_SCSI_7000FASST is not set -# CONFIG_SCSI_ACARD is not set -# CONFIG_SCSI_AHA152X is not set -# CONFIG_SCSI_AHA1542 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_ADVANSYS is not set -# CONFIG_SCSI_IN2000 is not set -# CONFIG_SCSI_MEGARAID is not set -# CONFIG_SCSI_SATA is not set -# CONFIG_SCSI_BUSLOGIC is not set -# CONFIG_SCSI_CPQFCTS is not set -# CONFIG_SCSI_DMX3191D is not set -# CONFIG_SCSI_DTC3280 is not set -# CONFIG_SCSI_EATA is not set -# CONFIG_SCSI_EATA_PIO is not set -# CONFIG_SCSI_FUTURE_DOMAIN is not set -# CONFIG_SCSI_GDTH is not set -# CONFIG_SCSI_GENERIC_NCR5380 is not set -# CONFIG_SCSI_GENERIC_NCR5380_MMIO is not set -# CONFIG_SCSI_IPS is not set -# CONFIG_SCSI_INIA100 is not set -# CONFIG_SCSI_NCR53C406A is not set -CONFIG_SCSI_SYM53C8XX_2=y -CONFIG_SCSI_SYM53C8XX_DMA_ADDRESSING_MODE=0 -CONFIG_SCSI_SYM53C8XX_DEFAULT_TAGS=16 -CONFIG_SCSI_SYM53C8XX_MAX_TAGS=64 -# CONFIG_SCSI_SYM53C8XX_IOMAPPED is not set -# CONFIG_SCSI_IPR is not set -# CONFIG_SCSI_PAS16 is not set -# CONFIG_SCSI_PSI240I is not set -# CONFIG_SCSI_QLOGIC_FAS is not set -# CONFIG_SCSI_QLOGIC_ISP is not set -# CONFIG_SCSI_QLOGIC_FC is not set -# CONFIG_SCSI_QLOGIC_1280 is not set -CONFIG_SCSI_QLA2XXX=y -# CONFIG_SCSI_QLA21XX is not set -# CONFIG_SCSI_QLA22XX is not set -# CONFIG_SCSI_QLA2300 is not set -# CONFIG_SCSI_QLA2322 is not set -# CONFIG_SCSI_QLA6312 is not set -# CONFIG_SCSI_QLA6322 is not set -# CONFIG_SCSI_SYM53C416 is not set -# CONFIG_SCSI_DC395x is not set -# CONFIG_SCSI_DC390T is not set -# CONFIG_SCSI_T128 is not set -# CONFIG_SCSI_U14_34F is not set -# CONFIG_SCSI_NSP32 is not set -# CONFIG_SCSI_DEBUG is not set -# CONFIG_SCSI_MESH is not set -# CONFIG_SCSI_MAC53C94 is not set - -# -# Old CD-ROM drivers (not SCSI, not IDE) -# -# CONFIG_CD_NO_IDESCSI is not set - -# -# Multi-device support (RAID and LVM) -# -# CONFIG_MD is not set - -# -# Fusion MPT device support -# -# CONFIG_FUSION is not set - -# -# IEEE 1394 (FireWire) support -# -# CONFIG_IEEE1394 is not set - -# -# I2O device support -# -# CONFIG_I2O is not set - -# -# Macintosh device drivers -# -# CONFIG_ADB is not set -# CONFIG_ADB_CUDA is not set -# CONFIG_ADB_PMU is not set -# CONFIG_MAC_FLOPPY is not set -# CONFIG_MAC_SERIAL is not set - -# -# Networking support -# -CONFIG_NET=y - -# -# Networking options -# -CONFIG_PACKET=y -# CONFIG_PACKET_MMAP is not set -# CONFIG_NETLINK_DEV is not set -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_PNP 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=y -# CONFIG_INET_AH is not set -# CONFIG_INET_ESP is not set -# CONFIG_INET_IPCOMP is not set - -# -# IP: Virtual Server Configuration -# -# CONFIG_IP_VS is not set -# CONFIG_IPV6 is not set -CONFIG_NETFILTER=y -# CONFIG_NETFILTER_DEBUG is not set - -# -# IP: Netfilter Configuration -# -CONFIG_IP_NF_CONNTRACK=m -CONFIG_IP_NF_FTP=m -CONFIG_IP_NF_IRC=m -CONFIG_IP_NF_TFTP=m -CONFIG_IP_NF_AMANDA=m -# CONFIG_IP_NF_QUEUE is not set -CONFIG_IP_NF_IPTABLES=m -CONFIG_IP_NF_MATCH_LIMIT=m -CONFIG_IP_NF_MATCH_IPRANGE=m -CONFIG_IP_NF_MATCH_MAC=m -# CONFIG_IP_NF_MATCH_PKTTYPE is not set -CONFIG_IP_NF_MATCH_MARK=m -CONFIG_IP_NF_MATCH_MULTIPORT=m -CONFIG_IP_NF_MATCH_TOS=m -CONFIG_IP_NF_MATCH_RECENT=m -CONFIG_IP_NF_MATCH_ECN=m -CONFIG_IP_NF_MATCH_DSCP=m -CONFIG_IP_NF_MATCH_AH_ESP=m -CONFIG_IP_NF_MATCH_LENGTH=m -CONFIG_IP_NF_MATCH_TTL=m -CONFIG_IP_NF_MATCH_TCPMSS=m -CONFIG_IP_NF_MATCH_HELPER=m -CONFIG_IP_NF_MATCH_STATE=m -CONFIG_IP_NF_MATCH_CONNTRACK=m -CONFIG_IP_NF_MATCH_OWNER=m -CONFIG_IP_NF_FILTER=m -CONFIG_IP_NF_TARGET_REJECT=m -CONFIG_IP_NF_NAT=m -CONFIG_IP_NF_NAT_NEEDED=y -CONFIG_IP_NF_TARGET_MASQUERADE=m -CONFIG_IP_NF_TARGET_REDIRECT=m -CONFIG_IP_NF_TARGET_NETMAP=m -CONFIG_IP_NF_TARGET_SAME=m -CONFIG_IP_NF_NAT_SNMP_BASIC=m -CONFIG_IP_NF_NAT_IRC=m -CONFIG_IP_NF_NAT_FTP=m -CONFIG_IP_NF_NAT_TFTP=m -CONFIG_IP_NF_NAT_AMANDA=m -# CONFIG_IP_NF_MANGLE is not set -# CONFIG_IP_NF_TARGET_LOG is not set -CONFIG_IP_NF_TARGET_ULOG=m -CONFIG_IP_NF_TARGET_TCPMSS=m -CONFIG_IP_NF_ARPTABLES=m -CONFIG_IP_NF_ARPFILTER=m -CONFIG_IP_NF_ARP_MANGLE=m -CONFIG_IP_NF_COMPAT_IPCHAINS=m -# CONFIG_IP_NF_COMPAT_IPFWADM is not set -CONFIG_IP_NF_TARGET_NOTRACK=m -CONFIG_IP_NF_RAW=m - -# -# SCTP Configuration (EXPERIMENTAL) -# -# CONFIG_IP_SCTP 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_NET_DIVERT is not set -# CONFIG_ECONET is not set -# CONFIG_WAN_ROUTER is not set -# CONFIG_NET_HW_FLOWCONTROL is not set - -# -# QoS and/or fair queueing -# -# CONFIG_NET_SCHED is not set - -# -# Network testing -# -# CONFIG_NET_PKTGEN is not set -# CONFIG_NETPOLL is not set -# CONFIG_NET_POLL_CONTROLLER is not set -# CONFIG_HAMRADIO is not set -# CONFIG_IRDA is not set -# CONFIG_BT is not set -CONFIG_NETDEVICES=y -# CONFIG_DUMMY is not set -# CONFIG_BONDING is not set -# CONFIG_EQUALIZER is not set -# CONFIG_TUN is not set - -# -# ARCnet devices -# -# CONFIG_ARCNET is not set - -# -# Ethernet (10 or 100Mbit) -# -CONFIG_NET_ETHERNET=y -CONFIG_MII=y -# CONFIG_MACE is not set -# CONFIG_BMAC is not set -# CONFIG_OAKNET is not set -# CONFIG_HAPPYMEAL is not set -# CONFIG_SUNGEM is not set -# CONFIG_NET_VENDOR_3COM is not set -# CONFIG_LANCE is not set -# CONFIG_NET_VENDOR_SMC is not set -# CONFIG_NET_VENDOR_RACAL is not set - -# -# Tulip family network device support -# -# CONFIG_NET_TULIP 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_NET_PCI=y -CONFIG_PCNET32=y -# CONFIG_AMD8111_ETH is not set -# CONFIG_ADAPTEC_STARFIRE is not set -# CONFIG_AC3200 is not set -# CONFIG_APRICOT is not set -# CONFIG_B44 is not set -# CONFIG_FORCEDETH is not set -# CONFIG_CS89x0 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 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_NET_POCKET is not set - -# -# Ethernet (1000 Mbit) -# -# 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_SK98LIN is not set -# CONFIG_TIGON3 is not set - -# -# Ethernet (10000 Mbit) -# -# CONFIG_IXGB is not set -# CONFIG_S2IO is not set - -# -# Token Ring devices -# -# CONFIG_TR is not set - -# -# Wireless LAN (non-hamradio) -# -# CONFIG_NET_RADIO is not set - -# -# Wan interfaces -# -# 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_RCPCI is not set -# CONFIG_SHAPER is not set -# CONFIG_NETCONSOLE is not set - -# -# ISDN subsystem -# -# CONFIG_ISDN is not set - -# -# Telephony Support -# -# CONFIG_PHONE is not set - -# -# Input device support -# -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_JOYDEV is not set -# CONFIG_INPUT_TSDEV is not set -CONFIG_INPUT_EVDEV=y -# CONFIG_INPUT_EVBUG is not set - -# -# Input I/O drivers -# -# CONFIG_GAMEPORT is not set -CONFIG_SOUND_GAMEPORT=y -CONFIG_SERIO=y -CONFIG_SERIO_I8042=y -CONFIG_SERIO_SERPORT=y -# CONFIG_SERIO_CT82C710 is not set -# CONFIG_SERIO_PCIPS2 is not set - -# -# Input Device Drivers -# -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_INPUT_MOUSE=y -CONFIG_MOUSE_PS2=y -# CONFIG_MOUSE_SERIAL 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_INPUT_JOYSTICK is not set -# CONFIG_INPUT_TOUCHSCREEN is not set -CONFIG_INPUT_MISC=y -CONFIG_INPUT_UINPUT=y - -# -# Character devices -# -CONFIG_VT=y -CONFIG_VT_CONSOLE=y -CONFIG_HW_CONSOLE=y -# CONFIG_SERIAL_NONSTANDARD is not set - -# -# Serial drivers -# -CONFIG_SERIAL_8250=y -# CONFIG_SERIAL_8250_CONSOLE is not set -CONFIG_SERIAL_8250_NR_UARTS=4 -# CONFIG_SERIAL_8250_EXTENDED is not set - -# -# Non-8250 serial port support -# -CONFIG_SERIAL_CORE=y -# CONFIG_SERIAL_PMACZILOG is not set -CONFIG_UNIX98_PTYS=y -CONFIG_LEGACY_PTYS=y -CONFIG_LEGACY_PTY_COUNT=256 -# CONFIG_QIC02_TAPE is not set - -# -# IPMI -# -# CONFIG_IPMI_HANDLER is not set - -# -# Watchdog Cards -# -# CONFIG_WATCHDOG is not set -CONFIG_NVRAM=y -CONFIG_GEN_RTC=y -# CONFIG_GEN_RTC_X is not set -# CONFIG_DTLK is not set -# CONFIG_R3964 is not set -# CONFIG_APPLICOM is not set - -# -# Ftape, the floppy tape device driver -# -# CONFIG_FTAPE is not set -# CONFIG_AGP is not set -# CONFIG_DRM is not set -# CONFIG_RAW_DRIVER is not set - -# -# I2C support -# -# CONFIG_I2C is not set - -# -# Misc devices -# - -# -# Multimedia devices -# -# CONFIG_VIDEO_DEV is not set - -# -# Digital Video Broadcasting Devices -# -# CONFIG_DVB is not set - -# -# Graphics support -# -CONFIG_FB=y -# CONFIG_FB_PM2 is not set -# CONFIG_FB_CYBER2000 is not set -CONFIG_FB_OF=y -# CONFIG_FB_CONTROL is not set -# CONFIG_FB_PLATINUM is not set -# CONFIG_FB_VALKYRIE is not set -# CONFIG_FB_CT65550 is not set -# CONFIG_FB_IMSTT is not set -# CONFIG_FB_S3TRIO is not set -# CONFIG_FB_VGA16 is not set -# CONFIG_FB_RIVA is not set -CONFIG_FB_MATROX=y -CONFIG_FB_MATROX_MILLENIUM=y -CONFIG_FB_MATROX_MYSTIQUE=y -# CONFIG_FB_MATROX_G450 is not set -CONFIG_FB_MATROX_G100A=y -CONFIG_FB_MATROX_G100=y -# CONFIG_FB_MATROX_MULTIHEAD is not set -# CONFIG_FB_RADEON_OLD is not set -# CONFIG_FB_RADEON is not set -# CONFIG_FB_ATY128 is not set -# CONFIG_FB_ATY is not set -# CONFIG_FB_SIS is not set -# CONFIG_FB_NEOMAGIC is not set -# CONFIG_FB_KYRO is not set -CONFIG_FB_3DFX=y -# CONFIG_FB_VOODOO1 is not set -# CONFIG_FB_TRIDENT is not set -# CONFIG_FB_VIRTUAL is not set - -# -# Console display driver support -# -CONFIG_VGA_CONSOLE=y -# CONFIG_MDA_CONSOLE is not set -CONFIG_DUMMY_CONSOLE=y -CONFIG_FRAMEBUFFER_CONSOLE=y -CONFIG_PCI_CONSOLE=y -# CONFIG_FONTS is not set -CONFIG_FONT_8x8=y -CONFIG_FONT_8x16=y - -# -# Logo configuration -# -CONFIG_LOGO=y -CONFIG_LOGO_LINUX_MONO=y -CONFIG_LOGO_LINUX_VGA16=y -CONFIG_LOGO_LINUX_CLUT224=y - -# -# Sound -# -# CONFIG_SOUND is not set - -# -# USB support -# -# CONFIG_USB is not set - -# -# USB Gadget Support -# -# CONFIG_USB_GADGET is not set - -# -# File systems -# -CONFIG_EXT2_FS=y -# CONFIG_EXT2_FS_XATTR is not set -# CONFIG_EXT3_FS is not set -# CONFIG_JBD is not set -# CONFIG_REISERFS_FS is not set -# CONFIG_JFS_FS is not set -# CONFIG_XFS_FS is not set -# CONFIG_MINIX_FS is not set -# CONFIG_ROMFS_FS is not set -# CONFIG_QUOTA is not set -# CONFIG_AUTOFS_FS is not set -# CONFIG_AUTOFS4_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 is not set - -# -# DOS/FAT/NT Filesystems -# -CONFIG_FAT_FS=m -CONFIG_MSDOS_FS=m -CONFIG_VFAT_FS=m -# CONFIG_NTFS_FS is not set - -# -# Pseudo filesystems -# -CONFIG_PROC_FS=y -CONFIG_PROC_KCORE=y -CONFIG_SYSFS=y -CONFIG_DEVFS_FS=y -# CONFIG_DEVFS_MOUNT is not set -# CONFIG_DEVFS_DEBUG is not set -# CONFIG_DEVPTS_FS_XATTR is not set -CONFIG_TMPFS=y -# CONFIG_HUGETLB_PAGE is not set -CONFIG_RAMFS=y - -# -# 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_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 - -# -# Network File Systems -# -# CONFIG_NFS_FS is not set -# CONFIG_NFSD is not set -# CONFIG_EXPORTFS 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=y -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_NEC98_PARTITION is not set -# CONFIG_SGI_PARTITION is not set -# CONFIG_ULTRIX_PARTITION is not set -# CONFIG_SUN_PARTITION is not set -# CONFIG_EFI_PARTITION is not set - -# -# Native Language Support -# -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_ISO8859_1=m -# 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 - -# -# Library routines -# -CONFIG_CRC32=y -# CONFIG_LIBCRC32C is not set - -# -# Kernel hacking -# -# CONFIG_DEBUG_KERNEL is not set -# CONFIG_BOOTX_TEXT is not set - -# -# Security options -# -# CONFIG_SECURITY is not set - -# -# Cryptographic options -# -# CONFIG_CRYPTO is not set diff --git a/arch/ppc/configs/pmac_defconfig b/arch/ppc/configs/pmac_defconfig deleted file mode 100644 index a2db8b541c9..00000000000 --- a/arch/ppc/configs/pmac_defconfig +++ /dev/null @@ -1,1591 +0,0 @@ -# -# Automatically generated make config: don't edit -# Linux kernel version: 2.6.13-rc3 -# Wed Jul 13 14:13:13 2005 -# -CONFIG_MMU=y -CONFIG_GENERIC_HARDIRQS=y -CONFIG_RWSEM_XCHGADD_ALGORITHM=y -CONFIG_GENERIC_CALIBRATE_DELAY=y -CONFIG_HAVE_DEC_LOCK=y -CONFIG_PPC=y -CONFIG_PPC32=y -CONFIG_GENERIC_NVRAM=y -CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y - -# -# Code maturity level options -# -CONFIG_EXPERIMENTAL=y -CONFIG_CLEAN_COMPILE=y -CONFIG_BROKEN_ON_SMP=y -CONFIG_INIT_ENV_ARG_LIMIT=32 - -# -# General setup -# -CONFIG_LOCALVERSION="" -CONFIG_SWAP=y -CONFIG_SYSVIPC=y -CONFIG_POSIX_MQUEUE=y -# CONFIG_BSD_PROCESS_ACCT is not set -CONFIG_SYSCTL=y -# CONFIG_AUDIT is not set -CONFIG_HOTPLUG=y -CONFIG_KOBJECT_UEVENT=y -CONFIG_IKCONFIG=y -CONFIG_IKCONFIG_PROC=y -# CONFIG_EMBEDDED is not set -CONFIG_KALLSYMS=y -# CONFIG_KALLSYMS_ALL is not set -# CONFIG_KALLSYMS_EXTRA_PASS is not set -CONFIG_PRINTK=y -CONFIG_BUG=y -CONFIG_BASE_FULL=y -CONFIG_FUTEX=y -CONFIG_EPOLL=y -CONFIG_SHMEM=y -CONFIG_CC_ALIGN_FUNCTIONS=0 -CONFIG_CC_ALIGN_LABELS=0 -CONFIG_CC_ALIGN_LOOPS=0 -CONFIG_CC_ALIGN_JUMPS=0 -# CONFIG_TINY_SHMEM is not set -CONFIG_BASE_SMALL=0 - -# -# Loadable module support -# -CONFIG_MODULES=y -CONFIG_MODULE_UNLOAD=y -# CONFIG_MODULE_FORCE_UNLOAD is not set -CONFIG_OBSOLETE_MODPARM=y -CONFIG_MODVERSIONS=y -CONFIG_MODULE_SRCVERSION_ALL=y -CONFIG_KMOD=y - -# -# Processor -# -CONFIG_6xx=y -# CONFIG_40x is not set -# CONFIG_44x is not set -# CONFIG_POWER3 is not set -# CONFIG_POWER4 is not set -# CONFIG_8xx is not set -# CONFIG_E200 is not set -# CONFIG_E500 is not set -CONFIG_PPC_FPU=y -CONFIG_ALTIVEC=y -CONFIG_TAU=y -# CONFIG_TAU_INT is not set -# CONFIG_TAU_AVERAGE is not set -# CONFIG_KEXEC is not set -CONFIG_CPU_FREQ=y -CONFIG_CPU_FREQ_TABLE=y -# CONFIG_CPU_FREQ_DEBUG is not set -CONFIG_CPU_FREQ_STAT=m -CONFIG_CPU_FREQ_STAT_DETAILS=y -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=m -CONFIG_CPU_FREQ_GOV_USERSPACE=m -CONFIG_CPU_FREQ_GOV_ONDEMAND=m -CONFIG_CPU_FREQ_GOV_CONSERVATIVE=m -CONFIG_CPU_FREQ_PMAC=y -CONFIG_PPC601_SYNC_FIX=y -CONFIG_PM=y -CONFIG_PPC_STD_MMU=y - -# -# Platform options -# -CONFIG_PPC_MULTIPLATFORM=y -# CONFIG_APUS is not set -# CONFIG_KATANA is not set -# CONFIG_WILLOW is not set -# CONFIG_CPCI690 is not set -# CONFIG_PCORE is not set -# CONFIG_POWERPMC250 is not set -# CONFIG_CHESTNUT is not set -# CONFIG_SPRUCE is not set -# CONFIG_HDPU is not set -# CONFIG_EV64260 is not set -# CONFIG_LOPEC is not set -# CONFIG_MCPN765 is not set -# CONFIG_MVME5100 is not set -# CONFIG_PPLUS is not set -# CONFIG_PRPMC750 is not set -# CONFIG_PRPMC800 is not set -# CONFIG_SANDPOINT is not set -# CONFIG_RADSTONE_PPC7D is not set -# CONFIG_ADIR is not set -# CONFIG_K2 is not set -# CONFIG_PAL4 is not set -# CONFIG_GEMINI is not set -# CONFIG_EST8260 is not set -# CONFIG_SBC82xx is not set -# CONFIG_SBS8260 is not set -# CONFIG_RPX8260 is not set -# CONFIG_TQM8260 is not set -# CONFIG_ADS8272 is not set -# CONFIG_PQ2FADS is not set -# CONFIG_LITE5200 is not set -# CONFIG_MPC834x_SYS is not set -CONFIG_PPC_CHRP=y -CONFIG_PPC_PMAC=y -CONFIG_PPC_PREP=y -CONFIG_PPC_OF=y -CONFIG_PPCBUG_NVRAM=y -# CONFIG_SMP is not set -# CONFIG_HIGHMEM is not set -# 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_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_BINFMT_ELF=y -CONFIG_BINFMT_MISC=m -CONFIG_PROC_DEVICETREE=y -# CONFIG_PREP_RESIDUAL is not set -# CONFIG_CMDLINE_BOOL is not set -# CONFIG_PM_DEBUG is not set -CONFIG_SOFTWARE_SUSPEND=y -CONFIG_PM_STD_PARTITION="" -# CONFIG_SECCOMP is not set -CONFIG_ISA_DMA_API=y - -# -# Bus options -# -# CONFIG_ISA is not set -CONFIG_GENERIC_ISA_DMA=y -CONFIG_PCI=y -CONFIG_PCI_DOMAINS=y -CONFIG_PCI_LEGACY_PROC=y -CONFIG_PCI_NAMES=y -# CONFIG_PCI_DEBUG is not set - -# -# PCCARD (PCMCIA/CardBus) support -# -CONFIG_PCCARD=m -# CONFIG_PCMCIA_DEBUG is not set -CONFIG_PCMCIA=m -# CONFIG_PCMCIA_LOAD_CIS is not set -# CONFIG_PCMCIA_IOCTL is not set -CONFIG_CARDBUS=y - -# -# PC-card bridges -# -CONFIG_YENTA=m -# CONFIG_PD6729 is not set -# CONFIG_I82092 is not set -# CONFIG_TCIC is not set -CONFIG_PCCARD_NONSTATIC=m - -# -# Advanced setup -# -CONFIG_ADVANCED_OPTIONS=y -CONFIG_HIGHMEM_START=0xfe000000 -# CONFIG_LOWMEM_SIZE_BOOL is not set -CONFIG_LOWMEM_SIZE=0x30000000 -# CONFIG_KERNEL_START_BOOL is not set -CONFIG_KERNEL_START=0xc0000000 -CONFIG_TASK_SIZE_BOOL=y -CONFIG_TASK_SIZE=0xc0000000 -CONFIG_BOOT_LOAD=0x00800000 - -# -# 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 is not set -CONFIG_IP_FIB_HASH=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_ARPD 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_TUNNEL is not set -CONFIG_IP_TCPDIAG=y -# CONFIG_IP_TCPDIAG_IPV6 is not set -# CONFIG_TCP_CONG_ADVANCED is not set -CONFIG_TCP_CONG_BIC=y - -# -# IP: Virtual Server Configuration -# -# CONFIG_IP_VS is not set -# CONFIG_IPV6 is not set -CONFIG_NETFILTER=y -# CONFIG_NETFILTER_DEBUG is not set - -# -# IP: Netfilter Configuration -# -CONFIG_IP_NF_CONNTRACK=m -CONFIG_IP_NF_CT_ACCT=y -CONFIG_IP_NF_CONNTRACK_MARK=y -CONFIG_IP_NF_CT_PROTO_SCTP=m -CONFIG_IP_NF_FTP=m -CONFIG_IP_NF_IRC=m -CONFIG_IP_NF_TFTP=m -CONFIG_IP_NF_AMANDA=m -CONFIG_IP_NF_QUEUE=m -CONFIG_IP_NF_IPTABLES=m -CONFIG_IP_NF_MATCH_LIMIT=m -CONFIG_IP_NF_MATCH_IPRANGE=m -CONFIG_IP_NF_MATCH_MAC=m -CONFIG_IP_NF_MATCH_PKTTYPE=m -CONFIG_IP_NF_MATCH_MARK=m -CONFIG_IP_NF_MATCH_MULTIPORT=m -CONFIG_IP_NF_MATCH_TOS=m -CONFIG_IP_NF_MATCH_RECENT=m -CONFIG_IP_NF_MATCH_ECN=m -CONFIG_IP_NF_MATCH_DSCP=m -CONFIG_IP_NF_MATCH_AH_ESP=m -CONFIG_IP_NF_MATCH_LENGTH=m -CONFIG_IP_NF_MATCH_TTL=m -CONFIG_IP_NF_MATCH_TCPMSS=m -CONFIG_IP_NF_MATCH_HELPER=m -CONFIG_IP_NF_MATCH_STATE=m -CONFIG_IP_NF_MATCH_CONNTRACK=m -CONFIG_IP_NF_MATCH_OWNER=m -CONFIG_IP_NF_MATCH_ADDRTYPE=m -CONFIG_IP_NF_MATCH_REALM=m -CONFIG_IP_NF_MATCH_SCTP=m -CONFIG_IP_NF_MATCH_COMMENT=m -CONFIG_IP_NF_MATCH_CONNMARK=m -CONFIG_IP_NF_MATCH_HASHLIMIT=m -CONFIG_IP_NF_FILTER=m -CONFIG_IP_NF_TARGET_REJECT=m -CONFIG_IP_NF_TARGET_LOG=m -CONFIG_IP_NF_TARGET_ULOG=m -CONFIG_IP_NF_TARGET_TCPMSS=m -CONFIG_IP_NF_NAT=m -CONFIG_IP_NF_NAT_NEEDED=y -CONFIG_IP_NF_TARGET_MASQUERADE=m -CONFIG_IP_NF_TARGET_REDIRECT=m -CONFIG_IP_NF_TARGET_NETMAP=m -CONFIG_IP_NF_TARGET_SAME=m -CONFIG_IP_NF_NAT_SNMP_BASIC=m -CONFIG_IP_NF_NAT_IRC=m -CONFIG_IP_NF_NAT_FTP=m -CONFIG_IP_NF_NAT_TFTP=m -CONFIG_IP_NF_NAT_AMANDA=m -CONFIG_IP_NF_MANGLE=m -CONFIG_IP_NF_TARGET_TOS=m -CONFIG_IP_NF_TARGET_ECN=m -CONFIG_IP_NF_TARGET_DSCP=m -CONFIG_IP_NF_TARGET_MARK=m -CONFIG_IP_NF_TARGET_CLASSIFY=m -CONFIG_IP_NF_TARGET_CONNMARK=m -CONFIG_IP_NF_TARGET_CLUSTERIP=m -CONFIG_IP_NF_RAW=m -CONFIG_IP_NF_TARGET_NOTRACK=m -CONFIG_IP_NF_ARPTABLES=m -CONFIG_IP_NF_ARPFILTER=m -CONFIG_IP_NF_ARP_MANGLE=m - -# -# SCTP Configuration (EXPERIMENTAL) -# -# CONFIG_IP_SCTP 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_NET_DIVERT is not set -# CONFIG_ECONET is not set -# CONFIG_WAN_ROUTER is not set -# CONFIG_NET_SCHED is not set -CONFIG_NET_CLS_ROUTE=y - -# -# Network testing -# -# CONFIG_NET_PKTGEN is not set -CONFIG_NETPOLL=y -# CONFIG_NETPOLL_RX is not set -# CONFIG_NETPOLL_TRAP is not set -CONFIG_NET_POLL_CONTROLLER=y -# CONFIG_HAMRADIO is not set -CONFIG_IRDA=m - -# -# IrDA protocols -# -CONFIG_IRLAN=m -CONFIG_IRNET=m -CONFIG_IRCOMM=m -# CONFIG_IRDA_ULTRA is not set - -# -# IrDA options -# -CONFIG_IRDA_CACHE_LAST_LSAP=y -CONFIG_IRDA_FAST_RR=y -# CONFIG_IRDA_DEBUG is not set - -# -# Infrared-port device drivers -# - -# -# SIR device drivers -# -CONFIG_IRTTY_SIR=m - -# -# Dongle support -# -# CONFIG_DONGLE is not set - -# -# Old SIR device drivers -# -# CONFIG_IRPORT_SIR is not set - -# -# Old Serial dongle support -# - -# -# FIR device drivers -# -# CONFIG_USB_IRDA is not set -# CONFIG_SIGMATEL_FIR is not set -# CONFIG_NSC_FIR is not set -# CONFIG_WINBOND_FIR is not set -# CONFIG_TOSHIBA_FIR is not set -# CONFIG_SMC_IRCC_FIR is not set -# CONFIG_ALI_FIR is not set -# CONFIG_VLSI_FIR is not set -# CONFIG_VIA_FIR is not set -# CONFIG_BT is not set - -# -# Device Drivers -# - -# -# Generic Driver Options -# -# CONFIG_STANDALONE is not set -CONFIG_PREVENT_FIRMWARE_BUILD=y -CONFIG_FW_LOADER=m -# CONFIG_DEBUG_DRIVER is not set - -# -# Memory Technology Devices (MTD) -# -# CONFIG_MTD is not set - -# -# Parallel port support -# -# CONFIG_PARPORT is not set - -# -# Plug and Play support -# - -# -# Block devices -# -# CONFIG_BLK_DEV_FD is not set -CONFIG_MAC_FLOPPY=m -# 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=y -CONFIG_BLK_DEV_RAM_COUNT=16 -CONFIG_BLK_DEV_RAM_SIZE=4096 -CONFIG_BLK_DEV_INITRD=y -CONFIG_INITRAMFS_SOURCE="" -CONFIG_LBD=y -CONFIG_CDROM_PKTCDVD=m -CONFIG_CDROM_PKTCDVD_BUFFERS=8 -# CONFIG_CDROM_PKTCDVD_WCACHE is not set - -# -# IO Schedulers -# -CONFIG_IOSCHED_NOOP=y -CONFIG_IOSCHED_AS=y -CONFIG_IOSCHED_DEADLINE=y -CONFIG_IOSCHED_CFQ=y -# CONFIG_ATA_OVER_ETH is not set - -# -# ATA/ATAPI/MFM/RLL support -# -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_IDEDISK=y -# CONFIG_IDEDISK_MULTI_MODE is not set -# CONFIG_BLK_DEV_IDECS is not set -CONFIG_BLK_DEV_IDECD=y -# CONFIG_BLK_DEV_IDETAPE is not set -CONFIG_BLK_DEV_IDEFLOPPY=y -CONFIG_BLK_DEV_IDESCSI=y -# CONFIG_IDE_TASK_IOCTL is not set - -# -# IDE chipset support/bugfixes -# -# CONFIG_IDE_GENERIC is not set -CONFIG_BLK_DEV_IDEPCI=y -CONFIG_IDEPCI_SHARE_IRQ=y -# CONFIG_BLK_DEV_OFFBOARD is not set -CONFIG_BLK_DEV_GENERIC=y -# CONFIG_BLK_DEV_OPTI621 is not set -# CONFIG_BLK_DEV_SL82C105 is not set -CONFIG_BLK_DEV_IDEDMA_PCI=y -# CONFIG_BLK_DEV_IDEDMA_FORCED is not set -CONFIG_IDEDMA_PCI_AUTO=y -# CONFIG_IDEDMA_ONLYDISK is not set -# CONFIG_BLK_DEV_AEC62XX is not set -# CONFIG_BLK_DEV_ALI15X3 is not set -# CONFIG_BLK_DEV_AMD74XX is not set -CONFIG_BLK_DEV_CMD64X=y -# 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_SC1200 is not set -# CONFIG_BLK_DEV_PIIX 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_PDC202XX_FORCE is not set -# CONFIG_BLK_DEV_SVWKS is not set -# CONFIG_BLK_DEV_SIIMAGE 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_IDE_PMAC=y -CONFIG_BLK_DEV_IDE_PMAC_ATA100FIRST=y -CONFIG_BLK_DEV_IDEDMA_PMAC=y -CONFIG_BLK_DEV_IDE_PMAC_BLINK=y -# CONFIG_IDE_ARM is not set -CONFIG_BLK_DEV_IDEDMA=y -# CONFIG_IDEDMA_IVB is not set -CONFIG_IDEDMA_AUTO=y -# CONFIG_BLK_DEV_HD is not set - -# -# SCSI device support -# -CONFIG_SCSI=y -CONFIG_SCSI_PROC_FS=y - -# -# SCSI support type (disk, tape, CD-ROM) -# -CONFIG_BLK_DEV_SD=y -CONFIG_CHR_DEV_ST=y -# CONFIG_CHR_DEV_OSST is not set -CONFIG_BLK_DEV_SR=y -CONFIG_BLK_DEV_SR_VENDOR=y -CONFIG_CHR_DEV_SG=y -# 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=y -# CONFIG_SCSI_LOGGING is not set - -# -# SCSI Transport Attributes -# -CONFIG_SCSI_SPI_ATTRS=y -# CONFIG_SCSI_FC_ATTRS is not set -# CONFIG_SCSI_ISCSI_ATTRS is not set - -# -# SCSI low-level drivers -# -# 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=m -CONFIG_AIC7XXX_CMDS_PER_DEVICE=253 -CONFIG_AIC7XXX_RESET_DELAY_MS=15000 -CONFIG_AIC7XXX_DEBUG_ENABLE=y -CONFIG_AIC7XXX_DEBUG_MASK=0 -CONFIG_AIC7XXX_REG_PRETTY_PRINT=y -CONFIG_SCSI_AIC7XXX_OLD=m -# CONFIG_SCSI_AIC79XX is not set -# CONFIG_SCSI_DPT_I2O is not set -# CONFIG_MEGARAID_NEWGEN is not set -# CONFIG_MEGARAID_LEGACY is not set -# CONFIG_SCSI_SATA 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_SYM53C8XX_2=y -CONFIG_SCSI_SYM53C8XX_DMA_ADDRESSING_MODE=0 -CONFIG_SCSI_SYM53C8XX_DEFAULT_TAGS=16 -CONFIG_SCSI_SYM53C8XX_MAX_TAGS=64 -# CONFIG_SCSI_SYM53C8XX_IOMAPPED is not set -# CONFIG_SCSI_IPR is not set -# CONFIG_SCSI_QLOGIC_FC is not set -# CONFIG_SCSI_QLOGIC_1280 is not set -CONFIG_SCSI_QLA2XXX=y -# CONFIG_SCSI_QLA21XX is not set -# CONFIG_SCSI_QLA22XX is not set -# CONFIG_SCSI_QLA2300 is not set -# CONFIG_SCSI_QLA2322 is not set -# CONFIG_SCSI_QLA6312 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_MESH=y -CONFIG_SCSI_MESH_SYNC_RATE=5 -CONFIG_SCSI_MESH_RESET_DELAY_MS=1000 -CONFIG_SCSI_MAC53C94=y - -# -# PCMCIA SCSI adapter support -# -# CONFIG_PCMCIA_AHA152X is not set -# CONFIG_PCMCIA_FDOMAIN is not set -# CONFIG_PCMCIA_NINJA_SCSI is not set -# CONFIG_PCMCIA_QLOGIC is not set -# CONFIG_PCMCIA_SYM53C500 is not set - -# -# Multi-device support (RAID and LVM) -# -# 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 - -# -# IEEE 1394 (FireWire) support -# -CONFIG_IEEE1394=m - -# -# Subsystem Options -# -# CONFIG_IEEE1394_VERBOSEDEBUG is not set -# CONFIG_IEEE1394_OUI_DB is not set -CONFIG_IEEE1394_EXTRA_CONFIG_ROMS=y -CONFIG_IEEE1394_CONFIG_ROM_IP1394=y -# CONFIG_IEEE1394_EXPORT_FULL_API is not set - -# -# Device Drivers -# -# CONFIG_IEEE1394_PCILYNX is not set -CONFIG_IEEE1394_OHCI1394=m - -# -# Protocol Drivers -# -CONFIG_IEEE1394_VIDEO1394=m -CONFIG_IEEE1394_SBP2=m -# CONFIG_IEEE1394_SBP2_PHYS_DMA is not set -CONFIG_IEEE1394_ETH1394=m -CONFIG_IEEE1394_DV1394=m -CONFIG_IEEE1394_RAWIO=m -CONFIG_IEEE1394_CMP=m -CONFIG_IEEE1394_AMDTP=m - -# -# I2O device support -# -# CONFIG_I2O is not set - -# -# Macintosh device drivers -# -CONFIG_ADB=y -CONFIG_ADB_CUDA=y -CONFIG_ADB_PMU=y -CONFIG_PMAC_APM_EMU=y -CONFIG_PMAC_MEDIABAY=y -CONFIG_PMAC_BACKLIGHT=y -CONFIG_ADB_MACIO=y -CONFIG_INPUT_ADBHID=y -CONFIG_MAC_EMUMOUSEBTN=y -CONFIG_THERM_WINDTUNNEL=m -CONFIG_THERM_ADT746X=m -# CONFIG_ANSLCD is not set - -# -# Network device support -# -CONFIG_NETDEVICES=y -# CONFIG_DUMMY is not set -# CONFIG_BONDING is not set -# CONFIG_EQUALIZER is not set -CONFIG_TUN=m - -# -# ARCnet devices -# -# CONFIG_ARCNET is not set - -# -# Ethernet (10 or 100Mbit) -# -CONFIG_NET_ETHERNET=y -CONFIG_MII=y -CONFIG_MACE=y -# CONFIG_MACE_AAUI_PORT is not set -CONFIG_BMAC=y -# CONFIG_HAPPYMEAL is not set -CONFIG_SUNGEM=y -# CONFIG_NET_VENDOR_3COM is not set - -# -# Tulip family network device support -# -# CONFIG_NET_TULIP is not set -# CONFIG_HP100 is not set -CONFIG_NET_PCI=y -CONFIG_PCNET32=y -# 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 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 - -# -# Ethernet (1000 Mbit) -# -# 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_SKGE is not set -# CONFIG_SK98LIN is not set -# CONFIG_VIA_VELOCITY is not set -# CONFIG_TIGON3 is not set -# CONFIG_BNX2 is not set -# CONFIG_MV643XX_ETH is not set - -# -# Ethernet (10000 Mbit) -# -# CONFIG_IXGB is not set -# CONFIG_S2IO is not set - -# -# Token Ring devices -# -# CONFIG_TR is not set - -# -# Wireless LAN (non-hamradio) -# -CONFIG_NET_RADIO=y - -# -# Obsolete Wireless cards support (pre-802.11) -# -# CONFIG_STRIP is not set -# CONFIG_PCMCIA_WAVELAN is not set -# CONFIG_PCMCIA_NETWAVE is not set - -# -# Wireless 802.11 Frequency Hopping cards support -# -# CONFIG_PCMCIA_RAYCS is not set - -# -# Wireless 802.11b ISA/PCI cards support -# -CONFIG_HERMES=m -CONFIG_APPLE_AIRPORT=m -# CONFIG_PLX_HERMES is not set -# CONFIG_TMD_HERMES is not set -# CONFIG_PCI_HERMES is not set -# CONFIG_ATMEL is not set - -# -# Wireless 802.11b Pcmcia/Cardbus cards support -# -CONFIG_PCMCIA_HERMES=m -# CONFIG_AIRO_CS is not set -# CONFIG_PCMCIA_WL3501 is not set - -# -# Prism GT/Duette 802.11(a/b/g) PCI/Cardbus support -# -# CONFIG_PRISM54 is not set -CONFIG_NET_WIRELESS=y - -# -# PCMCIA network device support -# -# CONFIG_NET_PCMCIA is not set - -# -# Wan interfaces -# -# CONFIG_WAN is not set -# CONFIG_FDDI is not set -# CONFIG_HIPPI is not set -CONFIG_PPP=y -CONFIG_PPP_MULTILINK=y -# CONFIG_PPP_FILTER is not set -CONFIG_PPP_ASYNC=y -CONFIG_PPP_SYNC_TTY=m -CONFIG_PPP_DEFLATE=y -CONFIG_PPP_BSDCOMP=m -CONFIG_PPPOE=m -# CONFIG_SLIP is not set -# CONFIG_NET_FC is not set -# CONFIG_SHAPER is not set -CONFIG_NETCONSOLE=m - -# -# ISDN subsystem -# -# CONFIG_ISDN is not set - -# -# Telephony Support -# -# CONFIG_PHONE is not set - -# -# Input device support -# -CONFIG_INPUT=y - -# -# 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_TSDEV 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_INPUT_MOUSE=y -# CONFIG_MOUSE_PS2 is not set -# CONFIG_MOUSE_SERIAL is not set -# CONFIG_MOUSE_VSXXXAA is not set -# CONFIG_INPUT_JOYSTICK 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_SERIAL_NONSTANDARD is not set - -# -# Serial drivers -# -CONFIG_SERIAL_8250=m -CONFIG_SERIAL_8250_CS=m -CONFIG_SERIAL_8250_NR_UARTS=4 -# CONFIG_SERIAL_8250_EXTENDED is not set - -# -# Non-8250 serial port support -# -CONFIG_SERIAL_CORE=y -CONFIG_SERIAL_CORE_CONSOLE=y -CONFIG_SERIAL_PMACZILOG=y -CONFIG_SERIAL_PMACZILOG_CONSOLE=y -# CONFIG_SERIAL_JSM is not set -CONFIG_UNIX98_PTYS=y -CONFIG_LEGACY_PTYS=y -CONFIG_LEGACY_PTY_COUNT=256 - -# -# IPMI -# -# CONFIG_IPMI_HANDLER is not set - -# -# Watchdog Cards -# -# CONFIG_WATCHDOG is not set -CONFIG_NVRAM=y -CONFIG_GEN_RTC=y -# CONFIG_GEN_RTC_X is not set -# CONFIG_DTLK is not set -# CONFIG_R3964 is not set -# CONFIG_APPLICOM is not set - -# -# Ftape, the floppy tape device driver -# -CONFIG_AGP=m -CONFIG_AGP_UNINORTH=m -CONFIG_DRM=m -# CONFIG_DRM_TDFX is not set -CONFIG_DRM_R128=m -CONFIG_DRM_RADEON=m -# CONFIG_DRM_MGA is not set -# CONFIG_DRM_SIS is not set -# CONFIG_DRM_VIA is not set - -# -# PCMCIA character devices -# -# CONFIG_SYNCLINK_CS is not set -# CONFIG_RAW_DRIVER is not set - -# -# TPM devices -# -# CONFIG_TCG_TPM is not set - -# -# I2C support -# -CONFIG_I2C=y -CONFIG_I2C_CHARDEV=m - -# -# I2C Algorithms -# -CONFIG_I2C_ALGOBIT=y -# CONFIG_I2C_ALGOPCF is not set -# CONFIG_I2C_ALGOPCA 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_HYDRA is not set -# CONFIG_I2C_I801 is not set -# CONFIG_I2C_I810 is not set -# CONFIG_I2C_PIIX4 is not set -# CONFIG_I2C_ISA is not set -CONFIG_I2C_KEYWEST=m -# CONFIG_I2C_MPC is not set -# CONFIG_I2C_NFORCE2 is not set -# CONFIG_I2C_PARPORT_LIGHT is not set -# CONFIG_I2C_PROSAVAGE is not set -# CONFIG_I2C_SAVAGE4 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_STUB is not set -# CONFIG_I2C_VIA is not set -# CONFIG_I2C_VIAPRO is not set -# CONFIG_I2C_VOODOO3 is not set -# CONFIG_I2C_PCA_ISA is not set -# CONFIG_I2C_SENSOR is not set - -# -# Miscellaneous I2C Chip support -# -# CONFIG_SENSORS_DS1337 is not set -# CONFIG_SENSORS_DS1374 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_RTC8564 is not set -# CONFIG_SENSORS_M41T00 is not set -# CONFIG_SENSORS_MAX6875 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 - -# -# Dallas's 1-wire bus -# -# CONFIG_W1 is not set - -# -# Hardware Monitoring support -# -# CONFIG_HWMON is not set - -# -# Misc devices -# - -# -# Multimedia devices -# -# CONFIG_VIDEO_DEV is not set - -# -# Digital Video Broadcasting Devices -# -# CONFIG_DVB is not set - -# -# Graphics support -# -CONFIG_FB=y -CONFIG_FB_CFB_FILLRECT=y -CONFIG_FB_CFB_COPYAREA=y -CONFIG_FB_CFB_IMAGEBLIT=y -CONFIG_FB_SOFT_CURSOR=y -CONFIG_FB_MACMODES=y -CONFIG_FB_MODE_HELPERS=y -CONFIG_FB_TILEBLITTING=y -# CONFIG_FB_CIRRUS is not set -# CONFIG_FB_PM2 is not set -# CONFIG_FB_CYBER2000 is not set -CONFIG_FB_OF=y -CONFIG_FB_CONTROL=y -CONFIG_FB_PLATINUM=y -CONFIG_FB_VALKYRIE=y -CONFIG_FB_CT65550=y -# CONFIG_FB_ASILIANT is not set -CONFIG_FB_IMSTT=y -# CONFIG_FB_VGA16 is not set -# CONFIG_FB_NVIDIA is not set -# CONFIG_FB_RIVA is not set -CONFIG_FB_MATROX=y -CONFIG_FB_MATROX_MILLENIUM=y -CONFIG_FB_MATROX_MYSTIQUE=y -CONFIG_FB_MATROX_G=y -# CONFIG_FB_MATROX_I2C is not set -# CONFIG_FB_MATROX_MULTIHEAD is not set -# CONFIG_FB_RADEON_OLD is not set -CONFIG_FB_RADEON=y -CONFIG_FB_RADEON_I2C=y -# CONFIG_FB_RADEON_DEBUG is not set -CONFIG_FB_ATY128=y -CONFIG_FB_ATY=y -CONFIG_FB_ATY_CT=y -CONFIG_FB_ATY_GENERIC_LCD=y -# CONFIG_FB_ATY_XL_INIT is not set -CONFIG_FB_ATY_GX=y -# 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=y -CONFIG_FB_3DFX_ACCEL=y -# CONFIG_FB_VOODOO1 is not set -# CONFIG_FB_TRIDENT is not set -# CONFIG_FB_S1D13XXX 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_FONTS is not set -CONFIG_FONT_8x8=y -CONFIG_FONT_8x16=y - -# -# Logo configuration -# -CONFIG_LOGO=y -CONFIG_LOGO_LINUX_MONO=y -CONFIG_LOGO_LINUX_VGA16=y -CONFIG_LOGO_LINUX_CLUT224=y -CONFIG_BACKLIGHT_LCD_SUPPORT=y -CONFIG_BACKLIGHT_CLASS_DEVICE=y -CONFIG_BACKLIGHT_DEVICE=y -CONFIG_LCD_CLASS_DEVICE=y -CONFIG_LCD_DEVICE=y - -# -# Sound -# -CONFIG_SOUND=m -CONFIG_DMASOUND_PMAC=m -CONFIG_DMASOUND=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=m -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 - -# -# Generic devices -# -CONFIG_SND_DUMMY=m -# 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_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 - -# -# USB devices -# -CONFIG_SND_USB_AUDIO=m -CONFIG_SND_USB_USX2Y=m - -# -# PCMCIA devices -# - -# -# Open Sound System -# -# CONFIG_SOUND_PRIME is not set - -# -# USB support -# -CONFIG_USB_ARCH_HAS_HCD=y -CONFIG_USB_ARCH_HAS_OHCI=y -CONFIG_USB=y -# CONFIG_USB_DEBUG is not set - -# -# Miscellaneous USB options -# -CONFIG_USB_DEVICEFS=y -# CONFIG_USB_BANDWIDTH is not set -CONFIG_USB_DYNAMIC_MINORS=y -CONFIG_USB_SUSPEND=y -# CONFIG_USB_OTG is not set - -# -# USB Host Controller Drivers -# -# CONFIG_USB_EHCI_HCD is not set -# CONFIG_USB_ISP116X_HCD is not set -CONFIG_USB_OHCI_HCD=y -# CONFIG_USB_OHCI_BIG_ENDIAN is not set -CONFIG_USB_OHCI_LITTLE_ENDIAN=y -# CONFIG_USB_UHCI_HCD is not set -# CONFIG_USB_SL811_HCD is not set - -# -# USB Device Class drivers -# -# CONFIG_USB_AUDIO is not set -# CONFIG_USB_BLUETOOTH_TTY is not set -# CONFIG_USB_MIDI is not set -CONFIG_USB_ACM=m -CONFIG_USB_PRINTER=m - -# -# 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 - -# -# USB Input Devices -# -CONFIG_USB_HID=y -CONFIG_USB_HIDINPUT=y -# CONFIG_HID_FF is not set -CONFIG_USB_HIDDEV=y -# 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_MTOUCH is not set -# CONFIG_USB_ITMTOUCH is not set -# CONFIG_USB_EGALAX is not set -# CONFIG_USB_XPAD is not set -# CONFIG_USB_ATI_REMOTE is not set -# CONFIG_USB_KEYSPAN_REMOTE is not set - -# -# USB Imaging devices -# -# CONFIG_USB_MDC800 is not set -# CONFIG_USB_MICROTEK is not set - -# -# USB Multimedia devices -# -# CONFIG_USB_DABUSB is not set - -# -# Video4Linux support is needed for USB Multimedia device support -# - -# -# USB Network Adapters -# -# CONFIG_USB_CATC is not set -# CONFIG_USB_KAWETH is not set -CONFIG_USB_PEGASUS=m -# CONFIG_USB_RTL8150 is not set -# CONFIG_USB_USBNET is not set -# CONFIG_USB_ZD1201 is not set -# CONFIG_USB_MON is not set - -# -# USB port drivers -# - -# -# USB Serial Converter support -# -CONFIG_USB_SERIAL=m -# CONFIG_USB_SERIAL_GENERIC is not set -# CONFIG_USB_SERIAL_AIRPRIME is not set -# CONFIG_USB_SERIAL_BELKIN 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 is not set -CONFIG_USB_SERIAL_VISOR=m -# 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_KEYSPAN_PDA is not set -CONFIG_USB_SERIAL_KEYSPAN=m -CONFIG_USB_SERIAL_KEYSPAN_MPR=y -CONFIG_USB_SERIAL_KEYSPAN_USA28=y -CONFIG_USB_SERIAL_KEYSPAN_USA28X=y -CONFIG_USB_SERIAL_KEYSPAN_USA28XA=y -CONFIG_USB_SERIAL_KEYSPAN_USA28XB=y -CONFIG_USB_SERIAL_KEYSPAN_USA19=y -CONFIG_USB_SERIAL_KEYSPAN_USA18X=y -CONFIG_USB_SERIAL_KEYSPAN_USA19W=y -CONFIG_USB_SERIAL_KEYSPAN_USA19QW=y -CONFIG_USB_SERIAL_KEYSPAN_USA19QI=y -CONFIG_USB_SERIAL_KEYSPAN_USA49W=y -CONFIG_USB_SERIAL_KEYSPAN_USA49WLC=y -# 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_PL2303 is not set -# CONFIG_USB_SERIAL_HP4X is not set -# CONFIG_USB_SERIAL_SAFE 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 is not set -# CONFIG_USB_SERIAL_OMNINET is not set -CONFIG_USB_EZUSB=y - -# -# USB Miscellaneous drivers -# -# CONFIG_USB_EMI62 is not set -# CONFIG_USB_EMI26 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_LED is not set -# CONFIG_USB_CYTHERM is not set -# CONFIG_USB_PHIDGETKIT is not set -# CONFIG_USB_PHIDGETSERVO is not set -# CONFIG_USB_IDMOUSE is not set -# CONFIG_USB_LD is not set -# CONFIG_USB_TEST is not set - -# -# USB DSL modem support -# - -# -# USB Gadget Support -# -# CONFIG_USB_GADGET is not set - -# -# MMC/SD Card support -# -# CONFIG_MMC is not set - -# -# InfiniBand support -# -# CONFIG_INFINIBAND is not set - -# -# SN Devices -# - -# -# File systems -# -CONFIG_EXT2_FS=y -CONFIG_EXT2_FS_XATTR=y -# CONFIG_EXT2_FS_POSIX_ACL is not set -# CONFIG_EXT2_FS_SECURITY 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_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=y - -# -# XFS support -# -# CONFIG_XFS_FS is not set -# CONFIG_MINIX_FS is not set -# CONFIG_ROMFS_FS is not set -CONFIG_INOTIFY=y -# CONFIG_QUOTA is not set -CONFIG_DNOTIFY=y -# CONFIG_AUTOFS_FS is not set -# CONFIG_AUTOFS4_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=m -CONFIG_MSDOS_FS=m -CONFIG_VFAT_FS=m -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_KCORE=y -CONFIG_SYSFS=y -CONFIG_DEVPTS_FS_XATTR=y -CONFIG_DEVPTS_FS_SECURITY=y -CONFIG_TMPFS=y -CONFIG_TMPFS_XATTR=y -CONFIG_TMPFS_SECURITY=y -# CONFIG_HUGETLB_PAGE is not set -CONFIG_RAMFS=y - -# -# Miscellaneous filesystems -# -# CONFIG_ADFS_FS is not set -# CONFIG_AFFS_FS is not set -CONFIG_HFS_FS=m -CONFIG_HFSPLUS_FS=m -# CONFIG_BEFS_FS is not set -# CONFIG_BFS_FS is not set -# CONFIG_EFS_FS is not set -CONFIG_CRAMFS=m -# 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_NFS_FS=y -CONFIG_NFS_V3=y -CONFIG_NFS_V3_ACL=y -# CONFIG_NFS_V4 is not set -# CONFIG_NFS_DIRECTIO is not set -CONFIG_NFSD=y -CONFIG_NFSD_V2_ACL=y -CONFIG_NFSD_V3=y -CONFIG_NFSD_V3_ACL=y -# CONFIG_NFSD_V4 is not set -CONFIG_NFSD_TCP=y -CONFIG_LOCKD=y -CONFIG_LOCKD_V4=y -CONFIG_EXPORTFS=y -CONFIG_NFS_ACL_SUPPORT=y -CONFIG_NFS_COMMON=y -CONFIG_SUNRPC=y -# CONFIG_RPCSEC_GSS_KRB5 is not set -# CONFIG_RPCSEC_GSS_SPKM3 is not set -CONFIG_SMB_FS=m -# CONFIG_SMB_NLS_DEFAULT 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=y -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_EFI_PARTITION is not set - -# -# Native Language Support -# -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=m -CONFIG_NLS_CODEPAGE_1251=m -CONFIG_NLS_ASCII=m -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 -# 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=m - -# -# Library routines -# -CONFIG_CRC_CCITT=y -CONFIG_CRC32=y -# CONFIG_LIBCRC32C is not set -CONFIG_ZLIB_INFLATE=y -CONFIG_ZLIB_DEFLATE=y - -# -# Profiling support -# -# CONFIG_PROFILING is not set - -# -# Kernel hacking -# -# CONFIG_PRINTK_TIME is not set -CONFIG_DEBUG_KERNEL=y -CONFIG_MAGIC_SYSRQ=y -CONFIG_LOG_BUF_SHIFT=16 -# CONFIG_SCHEDSTATS is not set -# CONFIG_DEBUG_SLAB is not set -# CONFIG_DEBUG_SPINLOCK is not set -# CONFIG_DEBUG_SPINLOCK_SLEEP is not set -# CONFIG_DEBUG_KOBJECT is not set -# CONFIG_DEBUG_INFO is not set -# CONFIG_DEBUG_FS is not set -# CONFIG_XMON is not set -# CONFIG_BDI_SWITCH is not set -CONFIG_BOOTX_TEXT=y - -# -# Security options -# -# CONFIG_KEYS is not set -# CONFIG_SECURITY is not set - -# -# Cryptographic options -# -# CONFIG_CRYPTO is not set - -# -# Hardware crypto devices -# diff --git a/arch/ppc/configs/power3_defconfig b/arch/ppc/configs/power3_defconfig deleted file mode 100644 index a1ef929bca5..00000000000 --- a/arch/ppc/configs/power3_defconfig +++ /dev/null @@ -1,1035 +0,0 @@ -# -# Automatically generated make config: don't edit -# -CONFIG_MMU=y -CONFIG_RWSEM_XCHGADD_ALGORITHM=y -CONFIG_HAVE_DEC_LOCK=y -CONFIG_PPC=y -CONFIG_PPC32=y -CONFIG_GENERIC_NVRAM=y - -# -# Code maturity level options -# -CONFIG_EXPERIMENTAL=y -CONFIG_CLEAN_COMPILE=y -# CONFIG_STANDALONE is not set - -# -# General setup -# -CONFIG_SWAP=y -CONFIG_SYSVIPC=y -CONFIG_POSIX_MQUEUE=y -# CONFIG_BSD_PROCESS_ACCT is not set -CONFIG_SYSCTL=y -# CONFIG_AUDIT is not set -CONFIG_LOG_BUF_SHIFT=15 -# CONFIG_HOTPLUG is not set -CONFIG_IKCONFIG=y -CONFIG_IKCONFIG_PROC=y -# CONFIG_EMBEDDED is not set -CONFIG_KALLSYMS=y -CONFIG_FUTEX=y -CONFIG_EPOLL=y -CONFIG_IOSCHED_NOOP=y -CONFIG_IOSCHED_AS=y -CONFIG_IOSCHED_DEADLINE=y -CONFIG_IOSCHED_CFQ=y -# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set - -# -# Loadable module support -# -CONFIG_MODULES=y -CONFIG_MODULE_UNLOAD=y -CONFIG_MODULE_FORCE_UNLOAD=y -CONFIG_OBSOLETE_MODPARM=y -# CONFIG_MODVERSIONS is not set -CONFIG_KMOD=y -CONFIG_STOP_MACHINE=y - -# -# Processor -# -# CONFIG_6xx is not set -# CONFIG_40x is not set -# CONFIG_44x is not set -CONFIG_POWER3=y -# CONFIG_POWER4 is not set -# CONFIG_8xx is not set -# CONFIG_CPU_FREQ is not set -CONFIG_PPC64BRIDGE=y -CONFIG_PPC_STD_MMU=y - -# -# Platform options -# -CONFIG_PPC_MULTIPLATFORM=y -# CONFIG_APUS is not set -# CONFIG_WILLOW is not set -# CONFIG_PCORE is not set -# CONFIG_POWERPMC250 is not set -# CONFIG_EV64260 is not set -# CONFIG_SPRUCE is not set -# CONFIG_LOPEC is not set -# CONFIG_MCPN765 is not set -# CONFIG_MVME5100 is not set -# CONFIG_PPLUS is not set -# CONFIG_PRPMC750 is not set -# CONFIG_PRPMC800 is not set -# CONFIG_SANDPOINT is not set -# CONFIG_ADIR is not set -# CONFIG_K2 is not set -# CONFIG_PAL4 is not set -# CONFIG_GEMINI is not set -# CONFIG_EST8260 is not set -# CONFIG_SBS8260 is not set -# CONFIG_RPX6 is not set -# CONFIG_TQM8260 is not set -CONFIG_PPC_CHRP=y -CONFIG_PPC_PMAC=y -CONFIG_PPC_PREP=y -CONFIG_PPC_OF=y -CONFIG_PPCBUG_NVRAM=y -CONFIG_SMP=y -# CONFIG_IRQ_ALL_CPUS is not set -CONFIG_NR_CPUS=32 -# CONFIG_PREEMPT is not set -CONFIG_HIGHMEM=y -CONFIG_KERNEL_ELF=y -CONFIG_BINFMT_ELF=y -CONFIG_BINFMT_MISC=y -CONFIG_PROC_DEVICETREE=y -CONFIG_PPC_RTAS=y -# CONFIG_PREP_RESIDUAL is not set -# CONFIG_CMDLINE_BOOL is not set - -# -# Bus options -# -CONFIG_ISA=y -CONFIG_GENERIC_ISA_DMA=y -CONFIG_PCI=y -CONFIG_PCI_DOMAINS=y -CONFIG_PCI_LEGACY_PROC=y -CONFIG_PCI_NAMES=y - -# -# Advanced setup -# -CONFIG_ADVANCED_OPTIONS=y -# CONFIG_HIGHMEM_START_BOOL is not set -CONFIG_HIGHMEM_START=0xfe000000 -# CONFIG_LOWMEM_SIZE_BOOL is not set -CONFIG_LOWMEM_SIZE=0x30000000 -# CONFIG_KERNEL_START_BOOL is not set -CONFIG_KERNEL_START=0xc0000000 -CONFIG_TASK_SIZE_BOOL=y -CONFIG_TASK_SIZE=0xc0000000 -CONFIG_BOOT_LOAD=0x00800000 - -# -# Device Drivers -# - -# -# Generic Driver Options -# - -# -# Memory Technology Devices (MTD) -# -# CONFIG_MTD is not set - -# -# Parallel port support -# -CONFIG_PARPORT=m -CONFIG_PARPORT_PC=m -CONFIG_PARPORT_PC_CML1=m -# CONFIG_PARPORT_SERIAL is not set -CONFIG_PARPORT_PC_FIFO=y -# CONFIG_PARPORT_PC_SUPERIO is not set -# CONFIG_PARPORT_OTHER is not set -# CONFIG_PARPORT_1284 is not set - -# -# Plug and Play support -# -# CONFIG_PNP is not set - -# -# Block devices -# -CONFIG_BLK_DEV_FD=y -# CONFIG_BLK_DEV_XD is not set -# CONFIG_PARIDE 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 -# CONFIG_BLK_DEV_UMEM 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_CARMEL is not set -CONFIG_BLK_DEV_RAM=y -CONFIG_BLK_DEV_RAM_SIZE=4096 -CONFIG_BLK_DEV_INITRD=y -CONFIG_LBD=y - -# -# ATA/ATAPI/MFM/RLL support -# -# CONFIG_IDE is not set - -# -# SCSI device support -# -CONFIG_SCSI=y -CONFIG_SCSI_PROC_FS=y - -# -# SCSI support type (disk, tape, CD-ROM) -# -CONFIG_BLK_DEV_SD=y -CONFIG_CHR_DEV_ST=y -# CONFIG_CHR_DEV_OSST is not set -CONFIG_BLK_DEV_SR=y -CONFIG_BLK_DEV_SR_VENDOR=y -CONFIG_CHR_DEV_SG=y - -# -# Some SCSI devices (e.g. CD jukebox) support multiple LUNs -# -# CONFIG_SCSI_MULTI_LUN is not set -# CONFIG_SCSI_REPORT_LUNS is not set -CONFIG_SCSI_CONSTANTS=y -CONFIG_SCSI_LOGGING=y - -# -# SCSI Transport Attributes -# -CONFIG_SCSI_SPI_ATTRS=y -# CONFIG_SCSI_FC_ATTRS is not set - -# -# SCSI low-level drivers -# -# CONFIG_BLK_DEV_3W_XXXX_RAID is not set -# CONFIG_SCSI_7000FASST is not set -# CONFIG_SCSI_ACARD is not set -# CONFIG_SCSI_AHA152X is not set -# CONFIG_SCSI_AHA1542 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_ADVANSYS is not set -# CONFIG_SCSI_IN2000 is not set -# CONFIG_SCSI_MEGARAID is not set -# CONFIG_SCSI_SATA is not set -# CONFIG_SCSI_BUSLOGIC is not set -# CONFIG_SCSI_CPQFCTS is not set -# CONFIG_SCSI_DMX3191D is not set -# CONFIG_SCSI_DTC3280 is not set -# CONFIG_SCSI_EATA is not set -# CONFIG_SCSI_EATA_PIO is not set -# CONFIG_SCSI_FUTURE_DOMAIN is not set -# CONFIG_SCSI_GDTH is not set -# CONFIG_SCSI_GENERIC_NCR5380 is not set -# CONFIG_SCSI_GENERIC_NCR5380_MMIO is not set -# CONFIG_SCSI_IPS is not set -# CONFIG_SCSI_INIA100 is not set -# CONFIG_SCSI_PPA is not set -# CONFIG_SCSI_IMM is not set -# CONFIG_SCSI_NCR53C406A is not set -CONFIG_SCSI_SYM53C8XX_2=y -CONFIG_SCSI_SYM53C8XX_DMA_ADDRESSING_MODE=1 -CONFIG_SCSI_SYM53C8XX_DEFAULT_TAGS=16 -CONFIG_SCSI_SYM53C8XX_MAX_TAGS=64 -# CONFIG_SCSI_SYM53C8XX_IOMAPPED is not set -# CONFIG_SCSI_IPR is not set -# CONFIG_SCSI_PAS16 is not set -# CONFIG_SCSI_PSI240I is not set -# CONFIG_SCSI_QLOGIC_FAS is not set -# CONFIG_SCSI_QLOGIC_ISP is not set -# CONFIG_SCSI_QLOGIC_FC is not set -# CONFIG_SCSI_QLOGIC_1280 is not set -CONFIG_SCSI_QLA2XXX=y -# CONFIG_SCSI_QLA21XX is not set -# CONFIG_SCSI_QLA22XX is not set -# CONFIG_SCSI_QLA2300 is not set -# CONFIG_SCSI_QLA2322 is not set -# CONFIG_SCSI_QLA6312 is not set -# CONFIG_SCSI_QLA6322 is not set -# CONFIG_SCSI_SYM53C416 is not set -# CONFIG_SCSI_DC395x is not set -# CONFIG_SCSI_DC390T is not set -# CONFIG_SCSI_T128 is not set -# CONFIG_SCSI_U14_34F is not set -# CONFIG_SCSI_NSP32 is not set -# CONFIG_SCSI_DEBUG is not set -# CONFIG_SCSI_MESH is not set -# CONFIG_SCSI_MAC53C94 is not set - -# -# Old CD-ROM drivers (not SCSI, not IDE) -# -# CONFIG_CD_NO_IDESCSI is not set - -# -# Multi-device support (RAID and LVM) -# -CONFIG_MD=y -CONFIG_BLK_DEV_MD=y -CONFIG_MD_LINEAR=y -CONFIG_MD_RAID0=y -CONFIG_MD_RAID1=y -CONFIG_MD_RAID5=y -CONFIG_MD_RAID6=y -# CONFIG_MD_MULTIPATH is not set -CONFIG_BLK_DEV_DM=y -CONFIG_DM_CRYPT=y - -# -# Fusion MPT device support -# -# CONFIG_FUSION is not set - -# -# IEEE 1394 (FireWire) support -# -# CONFIG_IEEE1394 is not set - -# -# I2O device support -# -# CONFIG_I2O is not set - -# -# Macintosh device drivers -# -# CONFIG_ADB is not set -# CONFIG_ADB_CUDA is not set -# CONFIG_ADB_PMU is not set -# CONFIG_MAC_FLOPPY is not set -# CONFIG_MAC_SERIAL is not set - -# -# Networking support -# -CONFIG_NET=y - -# -# Networking options -# -CONFIG_PACKET=y -# CONFIG_PACKET_MMAP is not set -# CONFIG_NETLINK_DEV is not set -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_PNP 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=y -# CONFIG_INET_AH is not set -# CONFIG_INET_ESP is not set -# CONFIG_INET_IPCOMP is not set -# CONFIG_IPV6 is not set -# CONFIG_NETFILTER is not set - -# -# SCTP Configuration (EXPERIMENTAL) -# -# CONFIG_IP_SCTP 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_NET_DIVERT is not set -# CONFIG_ECONET is not set -# CONFIG_WAN_ROUTER is not set -# CONFIG_NET_HW_FLOWCONTROL is not set - -# -# QoS and/or fair queueing -# -# CONFIG_NET_SCHED is not set - -# -# Network testing -# -# CONFIG_NET_PKTGEN is not set -# CONFIG_NETPOLL is not set -# CONFIG_NET_POLL_CONTROLLER is not set -# CONFIG_HAMRADIO is not set -# CONFIG_IRDA is not set -# CONFIG_BT is not set -CONFIG_NETDEVICES=y -# CONFIG_DUMMY is not set -# CONFIG_BONDING is not set -# CONFIG_EQUALIZER is not set -# CONFIG_TUN is not set - -# -# ARCnet devices -# -# CONFIG_ARCNET is not set - -# -# Ethernet (10 or 100Mbit) -# -CONFIG_NET_ETHERNET=y -CONFIG_MII=y -# CONFIG_MACE is not set -# CONFIG_BMAC is not set -# CONFIG_OAKNET is not set -# CONFIG_HAPPYMEAL is not set -# CONFIG_SUNGEM is not set -# CONFIG_NET_VENDOR_3COM is not set -# CONFIG_LANCE is not set -# CONFIG_NET_VENDOR_SMC is not set -# CONFIG_NET_VENDOR_RACAL is not set - -# -# Tulip family network device support -# -# CONFIG_NET_TULIP 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_NET_PCI=y -CONFIG_PCNET32=y -# CONFIG_AMD8111_ETH is not set -# CONFIG_ADAPTEC_STARFIRE is not set -# CONFIG_AC3200 is not set -# CONFIG_APRICOT is not set -# CONFIG_B44 is not set -# CONFIG_FORCEDETH is not set -# CONFIG_CS89x0 is not set -# CONFIG_DGRS is not set -# CONFIG_EEPRO100 is not set -CONFIG_E100=y -# CONFIG_E100_NAPI 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_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_NET_POCKET is not set - -# -# Ethernet (1000 Mbit) -# -# CONFIG_ACENIC is not set -# CONFIG_DL2K is not set -CONFIG_E1000=y -# CONFIG_E1000_NAPI is not set -# CONFIG_E1000_DISABLE_PACKET_SPLIT is not set -# CONFIG_NS83820 is not set -# CONFIG_HAMACHI is not set -# CONFIG_YELLOWFIN is not set -# CONFIG_R8169 is not set -# CONFIG_SK98LIN is not set -# CONFIG_TIGON3 is not set - -# -# Ethernet (10000 Mbit) -# -# CONFIG_IXGB is not set -# CONFIG_S2IO is not set - -# -# Token Ring devices -# -# CONFIG_TR is not set - -# -# Wireless LAN (non-hamradio) -# -# CONFIG_NET_RADIO is not set - -# -# Wan interfaces -# -# CONFIG_WAN is not set -# CONFIG_FDDI is not set -# CONFIG_HIPPI is not set -# CONFIG_PLIP is not set -# CONFIG_PPP is not set -# CONFIG_SLIP is not set -# CONFIG_NET_FC is not set -# CONFIG_RCPCI is not set -# CONFIG_SHAPER is not set -# CONFIG_NETCONSOLE is not set - -# -# ISDN subsystem -# -# CONFIG_ISDN is not set - -# -# Telephony Support -# -# CONFIG_PHONE is not set - -# -# Input device support -# -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_JOYDEV is not set -# CONFIG_INPUT_TSDEV is not set -CONFIG_INPUT_EVDEV=y -# CONFIG_INPUT_EVBUG is not set - -# -# Input I/O drivers -# -CONFIG_GAMEPORT=m -CONFIG_SOUND_GAMEPORT=m -# CONFIG_GAMEPORT_NS558 is not set -# CONFIG_GAMEPORT_L4 is not set -# CONFIG_GAMEPORT_EMU10K1 is not set -# CONFIG_GAMEPORT_VORTEX is not set -# CONFIG_GAMEPORT_FM801 is not set -# CONFIG_GAMEPORT_CS461x is not set -CONFIG_SERIO=y -CONFIG_SERIO_I8042=y -CONFIG_SERIO_SERPORT=y -# CONFIG_SERIO_CT82C710 is not set -# CONFIG_SERIO_PARKBD is not set -# CONFIG_SERIO_PCIPS2 is not set - -# -# Input Device Drivers -# -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_INPUT_MOUSE=y -CONFIG_MOUSE_PS2=y -# CONFIG_MOUSE_SERIAL 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_INPUT_JOYSTICK is not set -# CONFIG_INPUT_TOUCHSCREEN is not set -CONFIG_INPUT_MISC=y -CONFIG_INPUT_UINPUT=y - -# -# Character devices -# -CONFIG_VT=y -CONFIG_VT_CONSOLE=y -CONFIG_HW_CONSOLE=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_EXTENDED is not set - -# -# Non-8250 serial port support -# -CONFIG_SERIAL_CORE=y -CONFIG_SERIAL_CORE_CONSOLE=y -# CONFIG_SERIAL_PMACZILOG is not set -CONFIG_UNIX98_PTYS=y -CONFIG_LEGACY_PTYS=y -CONFIG_LEGACY_PTY_COUNT=256 -CONFIG_PRINTER=m -# CONFIG_LP_CONSOLE is not set -# CONFIG_PPDEV is not set -# CONFIG_TIPAR is not set -# CONFIG_QIC02_TAPE is not set - -# -# IPMI -# -# CONFIG_IPMI_HANDLER is not set - -# -# Watchdog Cards -# -# CONFIG_WATCHDOG is not set -CONFIG_NVRAM=y -CONFIG_GEN_RTC=y -# CONFIG_GEN_RTC_X is not set -# CONFIG_DTLK is not set -# CONFIG_R3964 is not set -# CONFIG_APPLICOM is not set - -# -# Ftape, the floppy tape device driver -# -# CONFIG_AGP is not set -# CONFIG_DRM is not set -# CONFIG_RAW_DRIVER is not set - -# -# I2C support -# -CONFIG_I2C=y -CONFIG_I2C_CHARDEV=y - -# -# I2C Algorithms -# -CONFIG_I2C_ALGOBIT=y -CONFIG_I2C_ALGOPCF=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_HYDRA is not set -# CONFIG_I2C_I801 is not set -# CONFIG_I2C_I810 is not set -# CONFIG_I2C_ISA is not set -# CONFIG_I2C_KEYWEST is not set -# CONFIG_I2C_NFORCE2 is not set -# CONFIG_I2C_PARPORT is not set -# CONFIG_I2C_PARPORT_LIGHT is not set -# CONFIG_I2C_PIIX4 is not set -# CONFIG_I2C_PROSAVAGE is not set -# CONFIG_I2C_SAVAGE4 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_VIA is not set -# CONFIG_I2C_VIAPRO is not set -# CONFIG_I2C_VOODOO3 is not set - -# -# Hardware Sensors Chip support -# -# CONFIG_I2C_SENSOR is not set -# CONFIG_SENSORS_ADM1021 is not set -# CONFIG_SENSORS_ASB100 is not set -# CONFIG_SENSORS_DS1621 is not set -# CONFIG_SENSORS_FSCHER is not set -# CONFIG_SENSORS_GL518SM is not set -# CONFIG_SENSORS_IT87 is not set -# CONFIG_SENSORS_LM75 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_LM90 is not set -# CONFIG_SENSORS_VIA686A is not set -# CONFIG_SENSORS_W83781D is not set -# CONFIG_SENSORS_W83L785TS is not set -# CONFIG_SENSORS_W83627HF is not set - -# -# Other I2C Chip support -# -# CONFIG_SENSORS_EEPROM is not set -# CONFIG_SENSORS_PCF8574 is not set -# CONFIG_SENSORS_PCF8591 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 - -# -# Misc devices -# - -# -# Multimedia devices -# -# CONFIG_VIDEO_DEV is not set - -# -# Digital Video Broadcasting Devices -# -# CONFIG_DVB is not set - -# -# Graphics support -# -CONFIG_FB=y -# CONFIG_FB_PM2 is not set -# CONFIG_FB_CYBER2000 is not set -CONFIG_FB_OF=y -# CONFIG_FB_CONTROL is not set -# CONFIG_FB_PLATINUM is not set -# CONFIG_FB_VALKYRIE is not set -# CONFIG_FB_CT65550 is not set -# CONFIG_FB_IMSTT is not set -# CONFIG_FB_S3TRIO is not set -# CONFIG_FB_VGA16 is not set -# CONFIG_FB_RIVA is not set -CONFIG_FB_MATROX=y -CONFIG_FB_MATROX_MILLENIUM=y -CONFIG_FB_MATROX_MYSTIQUE=y -# CONFIG_FB_MATROX_G450 is not set -CONFIG_FB_MATROX_G100A=y -CONFIG_FB_MATROX_G100=y -CONFIG_FB_MATROX_I2C=y -# CONFIG_FB_MATROX_MAVEN is not set -CONFIG_FB_MATROX_MULTIHEAD=y -# CONFIG_FB_RADEON_OLD is not set -# CONFIG_FB_RADEON is not set -# CONFIG_FB_ATY128 is not set -# CONFIG_FB_ATY 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_TRIDENT is not set -# CONFIG_FB_VIRTUAL is not set - -# -# Console display driver support -# -# CONFIG_VGA_CONSOLE is not set -# CONFIG_MDA_CONSOLE is not set -CONFIG_DUMMY_CONSOLE=y -CONFIG_FRAMEBUFFER_CONSOLE=y -CONFIG_PCI_CONSOLE=y -# CONFIG_FONTS is not set -CONFIG_FONT_8x8=y -CONFIG_FONT_8x16=y - -# -# Logo configuration -# -CONFIG_LOGO=y -CONFIG_LOGO_LINUX_MONO=y -CONFIG_LOGO_LINUX_VGA16=y -CONFIG_LOGO_LINUX_CLUT224=y - -# -# Sound -# -CONFIG_SOUND=y -# CONFIG_DMASOUND_PMAC is not set - -# -# 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=m -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 - -# -# Generic devices -# -CONFIG_SND_MPU401_UART=m -CONFIG_SND_OPL3_LIB=m -CONFIG_SND_DUMMY=m -# 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 - -# -# ISA devices -# -# CONFIG_SND_AD1848 is not set -# CONFIG_SND_CS4231 is not set -CONFIG_SND_CS4232=m -# CONFIG_SND_CS4236 is not set -# CONFIG_SND_ES1688 is not set -# CONFIG_SND_ES18XX is not set -# CONFIG_SND_GUSCLASSIC is not set -# CONFIG_SND_GUSEXTREME is not set -# CONFIG_SND_GUSMAX is not set -# CONFIG_SND_INTERWAVE is not set -# CONFIG_SND_INTERWAVE_STB is not set -# CONFIG_SND_OPTI92X_AD1848 is not set -# CONFIG_SND_OPTI92X_CS4231 is not set -# CONFIG_SND_OPTI93X is not set -# CONFIG_SND_SB8 is not set -# CONFIG_SND_SB16 is not set -# CONFIG_SND_SBAWE is not set -# CONFIG_SND_WAVEFRONT is not set -# CONFIG_SND_CMI8330 is not set -# CONFIG_SND_OPL3SA2 is not set -# CONFIG_SND_SGALAXY is not set -# CONFIG_SND_SSCAPE is not set - -# -# PCI devices -# -CONFIG_SND_AC97_CODEC=m -# CONFIG_SND_ALI5451 is not set -# CONFIG_SND_ATIIXP 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=m -# CONFIG_SND_CS46XX_NEW_DSP is not set -CONFIG_SND_CS4281=m -# CONFIG_SND_EMU10K1 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_TRIDENT is not set -# CONFIG_SND_YMFPCI 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_VX222 is not set - -# -# ALSA PowerMac devices -# -# CONFIG_SND_POWERMAC is not set - -# -# Open Sound System -# -# CONFIG_SOUND_PRIME is not set - -# -# USB support -# -# CONFIG_USB is not set - -# -# USB Gadget Support -# -# CONFIG_USB_GADGET is not set - -# -# File systems -# -CONFIG_EXT2_FS=y -# CONFIG_EXT2_FS_XATTR is not set -# CONFIG_EXT3_FS is not set -# CONFIG_JBD is not set -# CONFIG_REISERFS_FS is not set -# CONFIG_JFS_FS is not set -# CONFIG_XFS_FS is not set -# CONFIG_MINIX_FS is not set -# CONFIG_ROMFS_FS is not set -# CONFIG_QUOTA is not set -# CONFIG_AUTOFS_FS is not set -# CONFIG_AUTOFS4_FS is not set - -# -# CD-ROM/DVD Filesystems -# -CONFIG_ISO9660_FS=y -CONFIG_JOLIET=y -# CONFIG_ZISOFS is not set -# CONFIG_UDF_FS is not set - -# -# DOS/FAT/NT Filesystems -# -CONFIG_FAT_FS=y -CONFIG_MSDOS_FS=y -CONFIG_VFAT_FS=y -# CONFIG_NTFS_FS is not set - -# -# Pseudo filesystems -# -CONFIG_PROC_FS=y -CONFIG_PROC_KCORE=y -CONFIG_SYSFS=y -# CONFIG_DEVFS_FS is not set -# CONFIG_DEVPTS_FS_XATTR is not set -CONFIG_TMPFS=y -# CONFIG_HUGETLB_PAGE is not set -CONFIG_RAMFS=y - -# -# 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_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 - -# -# Network File Systems -# -CONFIG_NFS_FS=y -# CONFIG_NFS_V3 is not set -# CONFIG_NFS_V4 is not set -# CONFIG_NFS_DIRECTIO is not set -CONFIG_NFSD=y -# CONFIG_NFSD_V3 is not set -# CONFIG_NFSD_TCP is not set -CONFIG_LOCKD=y -CONFIG_EXPORTFS=y -CONFIG_SUNRPC=y -# CONFIG_RPCSEC_GSS_KRB5 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 - -# -# 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_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_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 - -# -# Library routines -# -CONFIG_CRC32=y -# CONFIG_LIBCRC32C is not set -CONFIG_ZLIB_INFLATE=m -CONFIG_ZLIB_DEFLATE=m - -# -# Kernel hacking -# -# CONFIG_DEBUG_KERNEL is not set -CONFIG_BOOTX_TEXT=y - -# -# Security options -# -# CONFIG_SECURITY is not set - -# -# Cryptographic options -# -CONFIG_CRYPTO=y -CONFIG_CRYPTO_HMAC=y -CONFIG_CRYPTO_NULL=y -CONFIG_CRYPTO_MD4=m -CONFIG_CRYPTO_MD5=m -CONFIG_CRYPTO_SHA1=m -CONFIG_CRYPTO_SHA256=m -CONFIG_CRYPTO_SHA512=m -CONFIG_CRYPTO_DES=m -CONFIG_CRYPTO_BLOWFISH=m -CONFIG_CRYPTO_TWOFISH=m -# CONFIG_CRYPTO_SERPENT is not set -CONFIG_CRYPTO_AES=m -CONFIG_CRYPTO_CAST5=m -CONFIG_CRYPTO_CAST6=m -CONFIG_CRYPTO_ARC4=m -CONFIG_CRYPTO_DEFLATE=m -CONFIG_CRYPTO_MICHAEL_MIC=m -# CONFIG_CRYPTO_CRC32C is not set -# CONFIG_CRYPTO_TEST is not set diff --git a/arch/ppc/configs/common_defconfig b/arch/ppc/configs/prep_defconfig index 4d33bee23a8..4d33bee23a8 100644 --- a/arch/ppc/configs/common_defconfig +++ b/arch/ppc/configs/prep_defconfig diff --git a/arch/ppc/kernel/Makefile b/arch/ppc/kernel/Makefile index e399bbb969a..466437f4bcb 100644 --- a/arch/ppc/kernel/Makefile +++ b/arch/ppc/kernel/Makefile @@ -1,48 +1,24 @@ # # Makefile for the linux kernel. # -ifneq ($(CONFIG_PPC_MERGE),y) - extra-$(CONFIG_PPC_STD_MMU) := head.o extra-$(CONFIG_40x) := head_4xx.o extra-$(CONFIG_44x) := head_44x.o extra-$(CONFIG_FSL_BOOKE) := head_fsl_booke.o extra-$(CONFIG_8xx) := head_8xx.o -extra-$(CONFIG_6xx) += idle_6xx.o extra-y += vmlinux.lds -obj-y := entry.o traps.o idle.o time.o misc.o \ +obj-y := entry.o traps.o time.o misc.o \ setup.o \ ppc_htab.o -obj-$(CONFIG_6xx) += l2cr.o cpu_setup_6xx.o -obj-$(CONFIG_SOFTWARE_SUSPEND) += swsusp.o -obj-$(CONFIG_MODULES) += module.o ppc_ksyms.o +obj-$(CONFIG_MODULES) += ppc_ksyms.o obj-$(CONFIG_NOT_COHERENT_CACHE) += dma-mapping.o obj-$(CONFIG_PCI) += pci.o obj-$(CONFIG_RAPIDIO) += rio.o obj-$(CONFIG_KGDB) += ppc-stub.o obj-$(CONFIG_SMP) += smp.o smp-tbsync.o -obj-$(CONFIG_TAU) += temp.o -ifndef CONFIG_E200 -obj-$(CONFIG_FSL_BOOKE) += perfmon_fsl_booke.o -endif obj-$(CONFIG_KEXEC) += machine_kexec.o relocate_kernel.o ifndef CONFIG_MATH_EMULATION obj-$(CONFIG_8xx) += softemu8xx.o endif - -# These are here while we do the architecture merge - -else -obj-y := idle.o -obj-$(CONFIG_6xx) += l2cr.o cpu_setup_6xx.o -obj-$(CONFIG_SOFTWARE_SUSPEND) += swsusp.o -obj-$(CONFIG_MODULES) += module.o -obj-$(CONFIG_NOT_COHERENT_CACHE) += dma-mapping.o -obj-$(CONFIG_KGDB) += ppc-stub.o -obj-$(CONFIG_TAU) += temp.o -ifndef CONFIG_E200 -obj-$(CONFIG_FSL_BOOKE) += perfmon_fsl_booke.o -endif -endif diff --git a/arch/ppc/kernel/entry.S b/arch/ppc/kernel/entry.S index 3a281597848..5891ecbdc70 100644 --- a/arch/ppc/kernel/entry.S +++ b/arch/ppc/kernel/entry.S @@ -135,10 +135,10 @@ transfer_to_handler: mfspr r11,SPRN_HID0 mtcr r11 BEGIN_FTR_SECTION - bt- 8,power_save_6xx_restore /* Check DOZE */ + bt- 8,4f /* Check DOZE */ END_FTR_SECTION_IFSET(CPU_FTR_CAN_DOZE) BEGIN_FTR_SECTION - bt- 9,power_save_6xx_restore /* Check NAP */ + bt- 9,4f /* Check NAP */ END_FTR_SECTION_IFSET(CPU_FTR_CAN_NAP) #endif /* CONFIG_6xx */ .globl transfer_to_handler_cont @@ -157,6 +157,10 @@ transfer_to_handler_cont: SYNC RFI /* jump to handler, enable MMU */ +#ifdef CONFIG_6xx +4: b power_save_6xx_restore +#endif + /* * On kernel stack overflow, load up an initial stack pointer * and call StackOverflow(regs), which should not return. @@ -926,55 +930,3 @@ END_FTR_SECTION_IFSET(CPU_FTR_601) b 4b .comm ee_restarts,4 - -/* - * PROM code for specific machines follows. Put it - * here so it's easy to add arch-specific sections later. - * -- Cort - */ -#ifdef CONFIG_PPC_OF -/* - * On CHRP, the Run-Time Abstraction Services (RTAS) have to be - * called with the MMU off. - */ -_GLOBAL(enter_rtas) - stwu r1,-INT_FRAME_SIZE(r1) - mflr r0 - stw r0,INT_FRAME_SIZE+4(r1) - lis r4,rtas_data@ha - lwz r4,rtas_data@l(r4) - lis r6,1f@ha /* physical return address for rtas */ - addi r6,r6,1f@l - tophys(r6,r6) - tophys(r7,r1) - lis r8,rtas_entry@ha - lwz r8,rtas_entry@l(r8) - mfmsr r9 - stw r9,8(r1) - LOAD_MSR_KERNEL(r0,MSR_KERNEL) - SYNC /* disable interrupts so SRR0/1 */ - MTMSRD(r0) /* don't get trashed */ - li r9,MSR_KERNEL & ~(MSR_IR|MSR_DR) - mtlr r6 - CLR_TOP32(r7) - mtspr SPRN_SPRG2,r7 - mtspr SPRN_SRR0,r8 - mtspr SPRN_SRR1,r9 - RFI -1: tophys(r9,r1) - lwz r8,INT_FRAME_SIZE+4(r9) /* get return address */ - lwz r9,8(r9) /* original msr value */ - FIX_SRR1(r9,r0) - addi r1,r1,INT_FRAME_SIZE - li r0,0 - mtspr SPRN_SPRG2,r0 - mtspr SPRN_SRR0,r8 - mtspr SPRN_SRR1,r9 - RFI /* return to caller */ - - .globl machine_check_in_rtas -machine_check_in_rtas: - twi 31,0,0 - /* XXX load up BATs and panic */ - -#endif /* CONFIG_PPC_OF */ diff --git a/arch/ppc/kernel/head.S b/arch/ppc/kernel/head.S index 53ea845fb91..01303efedda 100644 --- a/arch/ppc/kernel/head.S +++ b/arch/ppc/kernel/head.S @@ -37,19 +37,6 @@ #include <asm/amigappc.h> #endif -#ifdef CONFIG_PPC64BRIDGE -#define LOAD_BAT(n, reg, RA, RB) \ - ld RA,(n*32)+0(reg); \ - ld RB,(n*32)+8(reg); \ - mtspr SPRN_IBAT##n##U,RA; \ - mtspr SPRN_IBAT##n##L,RB; \ - ld RA,(n*32)+16(reg); \ - ld RB,(n*32)+24(reg); \ - mtspr SPRN_DBAT##n##U,RA; \ - mtspr SPRN_DBAT##n##L,RB; \ - -#else /* CONFIG_PPC64BRIDGE */ - /* 601 only have IBAT; cr0.eq is set on 601 when using this macro */ #define LOAD_BAT(n, reg, RA, RB) \ /* see the comment for clear_bats() -- Cort */ \ @@ -66,7 +53,6 @@ mtspr SPRN_DBAT##n##U,RA; \ mtspr SPRN_DBAT##n##L,RB; \ 1: -#endif /* CONFIG_PPC64BRIDGE */ .text .stabs "arch/ppc/kernel/",N_SO,0,0,0f @@ -129,11 +115,6 @@ _start: .globl __start __start: -/* - * We have to do any OF calls before we map ourselves to KERNELBASE, - * because OF may have I/O devices mapped into that area - * (particularly on CHRP). - */ mr r31,r3 /* save parameters */ mr r30,r4 mr r29,r5 @@ -148,14 +129,6 @@ __start: */ bl early_init -/* - * On POWER4, we first need to tweak some CPU configuration registers - * like real mode cache inhibit or exception base - */ -#ifdef CONFIG_POWER4 - bl __970_cpu_preinit -#endif /* CONFIG_POWER4 */ - #ifdef CONFIG_APUS /* On APUS the __va/__pa constants need to be set to the correct * values before continuing. @@ -169,7 +142,6 @@ __start: */ bl mmu_off __after_mmu_off: -#ifndef CONFIG_POWER4 bl clear_bats bl flush_tlbs @@ -177,10 +149,6 @@ __after_mmu_off: #if !defined(CONFIG_APUS) && defined(CONFIG_BOOTX_TEXT) bl setup_disp_bat #endif -#else /* CONFIG_POWER4 */ - bl reloc_offset - bl initial_mm_power4 -#endif /* CONFIG_POWER4 */ /* * Call setup_cpu for CPU 0 and initialize 6xx Idle @@ -192,18 +160,11 @@ __after_mmu_off: bl reloc_offset bl init_idle_6xx #endif /* CONFIG_6xx */ -#ifdef CONFIG_POWER4 - bl reloc_offset - bl init_idle_power4 -#endif /* CONFIG_POWER4 */ #ifndef CONFIG_APUS /* * We need to run with _start at physical address 0. - * On CHRP, we are loaded at 0x10000 since OF on CHRP uses - * the exception vectors at 0 (and therefore this copy - * overwrites OF's exception vectors with our own). * If the MMU is already turned on, we copy stuff to KERNELBASE, * otherwise we copy it to 0. */ @@ -358,51 +319,19 @@ i##n: \ #endif /* Machine check */ -/* - * On CHRP, this is complicated by the fact that we could get a - * machine check inside RTAS, and we have no guarantee that certain - * critical registers will have the values we expect. The set of - * registers that might have bad values includes all the GPRs - * and all the BATs. We indicate that we are in RTAS by putting - * a non-zero value, the address of the exception frame to use, - * in SPRG2. The machine check handler checks SPRG2 and uses its - * value if it is non-zero. If we ever needed to free up SPRG2, - * we could use a field in the thread_info or thread_struct instead. - * (Other exception handlers assume that r1 is a valid kernel stack - * pointer when we take an exception from supervisor mode.) - * -- paulus. - */ . = 0x200 mtspr SPRN_SPRG0,r10 mtspr SPRN_SPRG1,r11 mfcr r10 -#ifdef CONFIG_PPC_CHRP - mfspr r11,SPRN_SPRG2 - cmpwi 0,r11,0 - bne 7f -#endif /* CONFIG_PPC_CHRP */ EXCEPTION_PROLOG_1 7: EXCEPTION_PROLOG_2 addi r3,r1,STACK_FRAME_OVERHEAD -#ifdef CONFIG_PPC_CHRP - mfspr r4,SPRN_SPRG2 - cmpwi cr1,r4,0 - bne cr1,1f -#endif EXC_XFER_STD(0x200, machine_check_exception) -#ifdef CONFIG_PPC_CHRP -1: b machine_check_in_rtas -#endif /* Data access exception. */ . = 0x300 -#ifdef CONFIG_PPC64BRIDGE - b DataAccess -DataAccessCont: -#else DataAccess: EXCEPTION_PROLOG -#endif /* CONFIG_PPC64BRIDGE */ mfspr r10,SPRN_DSISR andis. r0,r10,0xa470 /* weird error? */ bne 1f /* if not, try to put a PTE */ @@ -414,21 +343,10 @@ DataAccess: mfspr r4,SPRN_DAR EXC_XFER_EE_LITE(0x300, handle_page_fault) -#ifdef CONFIG_PPC64BRIDGE -/* SLB fault on data access. */ - . = 0x380 - b DataSegment -#endif /* CONFIG_PPC64BRIDGE */ - /* Instruction access exception. */ . = 0x400 -#ifdef CONFIG_PPC64BRIDGE - b InstructionAccess -InstructionAccessCont: -#else InstructionAccess: EXCEPTION_PROLOG -#endif /* CONFIG_PPC64BRIDGE */ andis. r0,r9,0x4000 /* no pte found? */ beq 1f /* if so, try to put a PTE */ li r3,0 /* into the hash table */ @@ -438,12 +356,6 @@ InstructionAccess: mr r5,r9 EXC_XFER_EE_LITE(0x400, handle_page_fault) -#ifdef CONFIG_PPC64BRIDGE -/* SLB fault on instruction access. */ - . = 0x480 - b InstructionSegment -#endif /* CONFIG_PPC64BRIDGE */ - /* External interrupt */ EXCEPTION(0x500, HardwareInterrupt, do_IRQ, EXC_XFER_LITE) @@ -708,15 +620,9 @@ DataStoreTLBMiss: EXCEPTION(0x1300, Trap_13, instruction_breakpoint_exception, EXC_XFER_EE) EXCEPTION(0x1400, SMI, SMIException, EXC_XFER_EE) EXCEPTION(0x1500, Trap_15, unknown_exception, EXC_XFER_EE) -#ifdef CONFIG_POWER4 - EXCEPTION(0x1600, Trap_16, unknown_exception, EXC_XFER_EE) - EXCEPTION(0x1700, Trap_17, altivec_assist_exception, EXC_XFER_EE) - EXCEPTION(0x1800, Trap_18, TAUException, EXC_XFER_STD) -#else /* !CONFIG_POWER4 */ EXCEPTION(0x1600, Trap_16, altivec_assist_exception, EXC_XFER_EE) EXCEPTION(0x1700, Trap_17, TAUException, EXC_XFER_STD) EXCEPTION(0x1800, Trap_18, unknown_exception, EXC_XFER_EE) -#endif /* CONFIG_POWER4 */ EXCEPTION(0x1900, Trap_19, unknown_exception, EXC_XFER_EE) EXCEPTION(0x1a00, Trap_1a, unknown_exception, EXC_XFER_EE) EXCEPTION(0x1b00, Trap_1b, unknown_exception, EXC_XFER_EE) @@ -754,28 +660,6 @@ AltiVecUnavailable: addi r3,r1,STACK_FRAME_OVERHEAD EXC_XFER_EE_LITE(0xf20, altivec_unavailable_exception) -#ifdef CONFIG_PPC64BRIDGE -DataAccess: - EXCEPTION_PROLOG - b DataAccessCont - -InstructionAccess: - EXCEPTION_PROLOG - b InstructionAccessCont - -DataSegment: - EXCEPTION_PROLOG - addi r3,r1,STACK_FRAME_OVERHEAD - mfspr r4,SPRN_DAR - stw r4,_DAR(r11) - EXC_XFER_STD(0x380, unknown_exception) - -InstructionSegment: - EXCEPTION_PROLOG - addi r3,r1,STACK_FRAME_OVERHEAD - EXC_XFER_STD(0x480, unknown_exception) -#endif /* CONFIG_PPC64BRIDGE */ - #ifdef CONFIG_ALTIVEC /* Note that the AltiVec support is closely modeled after the FP * support. Changes to one are likely to be applicable to the @@ -1048,13 +932,6 @@ __secondary_start_pmac_0: .globl __secondary_start __secondary_start: -#ifdef CONFIG_PPC64BRIDGE - mfmsr r0 - clrldi r0,r0,1 /* make sure it's in 32-bit mode */ - SYNC - MTMSRD(r0) - isync -#endif /* Copy some CPU settings from CPU 0 */ bl __restore_cpu_setup @@ -1065,10 +942,6 @@ __secondary_start: lis r3,-KERNELBASE@h bl init_idle_6xx #endif /* CONFIG_6xx */ -#ifdef CONFIG_POWER4 - lis r3,-KERNELBASE@h - bl init_idle_power4 -#endif /* CONFIG_POWER4 */ /* get current_thread_info and current */ lis r1,secondary_ti@ha @@ -1109,12 +982,12 @@ __secondary_start: * Those generic dummy functions are kept for CPUs not * included in CONFIG_6xx */ -#if !defined(CONFIG_6xx) && !defined(CONFIG_POWER4) +#if !defined(CONFIG_6xx) _GLOBAL(__save_cpu_setup) blr _GLOBAL(__restore_cpu_setup) blr -#endif /* !defined(CONFIG_6xx) && !defined(CONFIG_POWER4) */ +#endif /* !defined(CONFIG_6xx) */ /* @@ -1132,11 +1005,6 @@ load_up_mmu: tophys(r6,r6) lwz r6,_SDR1@l(r6) mtspr SPRN_SDR1,r6 -#ifdef CONFIG_PPC64BRIDGE - /* clear the ASR so we only use the pseudo-segment registers. */ - li r6,0 - mtasr r6 -#endif /* CONFIG_PPC64BRIDGE */ li r0,16 /* load up segment register values */ mtctr r0 /* for context 0 */ lis r3,0x2000 /* Ku = 1, VSID = 0 */ @@ -1145,7 +1013,7 @@ load_up_mmu: addi r3,r3,0x111 /* increment VSID */ addis r4,r4,0x1000 /* address of next segment */ bdnz 3b -#ifndef CONFIG_POWER4 + /* Load the BAT registers with the values set up by MMU_init. MMU_init takes care of whether we're on a 601 or not. */ mfpvr r3 @@ -1158,7 +1026,7 @@ load_up_mmu: LOAD_BAT(1,r3,r4,r5) LOAD_BAT(2,r3,r4,r5) LOAD_BAT(3,r3,r4,r5) -#endif /* CONFIG_POWER4 */ + blr /* @@ -1269,9 +1137,6 @@ _GLOBAL(set_context) li r4,0 isync 3: -#ifdef CONFIG_PPC64BRIDGE - slbie r4 -#endif /* CONFIG_PPC64BRIDGE */ mtsrin r3,r4 addi r3,r3,0x111 /* next VSID */ rlwinm r3,r3,0,8,3 /* clear out any overflow from VSID field */ @@ -1358,7 +1223,6 @@ mmu_off: sync RFI -#ifndef CONFIG_POWER4 /* * Use the first pair of BAT registers to map the 1st 16MB * of RAM to KERNELBASE. From this point on we can't safely @@ -1366,7 +1230,6 @@ mmu_off: */ initial_bats: lis r11,KERNELBASE@h -#ifndef CONFIG_PPC64BRIDGE mfspr r9,SPRN_PVR rlwinm r9,r9,16,16,31 /* r9 = 1 for 601, 4 for 604 */ cmpwi 0,r9,1 @@ -1381,7 +1244,6 @@ initial_bats: mtspr SPRN_IBAT1L,r10 isync blr -#endif /* CONFIG_PPC64BRIDGE */ 4: tophys(r8,r11) #ifdef CONFIG_SMP @@ -1395,11 +1257,6 @@ initial_bats: ori r11,r11,BL_256M<<2|0x2 /* set up BAT registers for 604 */ #endif /* CONFIG_APUS */ -#ifdef CONFIG_PPC64BRIDGE - /* clear out the high 32 bits in the BAT */ - clrldi r11,r11,32 - clrldi r8,r8,32 -#endif /* CONFIG_PPC64BRIDGE */ mtspr SPRN_DBAT0L,r8 /* N.B. 6xx (not 601) have valid */ mtspr SPRN_DBAT0U,r11 /* bit in upper BAT register */ mtspr SPRN_IBAT0L,r8 @@ -1432,38 +1289,6 @@ setup_disp_bat: #endif /* !defined(CONFIG_APUS) && defined(CONFIG_BOOTX_TEXT) */ -#else /* CONFIG_POWER4 */ -/* - * Load up the SDR1 and segment register values now - * since we don't have the BATs. - * Also make sure we are running in 32-bit mode. - */ - -initial_mm_power4: - addis r14,r3,_SDR1@ha /* get the value from _SDR1 */ - lwz r14,_SDR1@l(r14) /* assume hash table below 4GB */ - mtspr SPRN_SDR1,r14 - slbia - lis r4,0x2000 /* set pseudo-segment reg 12 */ - ori r5,r4,0x0ccc - mtsr 12,r5 -#if 0 - ori r5,r4,0x0888 /* set pseudo-segment reg 8 */ - mtsr 8,r5 /* (for access to serial port) */ -#endif -#ifdef CONFIG_BOOTX_TEXT - ori r5,r4,0x0999 /* set pseudo-segment reg 9 */ - mtsr 9,r5 /* (for access to screen) */ -#endif - mfmsr r0 - clrldi r0,r0,1 - sync - mtmsr r0 - isync - blr - -#endif /* CONFIG_POWER4 */ - #ifdef CONFIG_8260 /* Jump into the system reset for the rom. * We first disable the MMU, and then jump to the ROM reset address. diff --git a/arch/ppc/kernel/idle.c b/arch/ppc/kernel/idle.c deleted file mode 100644 index 1be3ca5bae4..00000000000 --- a/arch/ppc/kernel/idle.c +++ /dev/null @@ -1,112 +0,0 @@ -/* - * Idle daemon for PowerPC. Idle daemon will handle any action - * that needs to be taken when the system becomes idle. - * - * Written by Cort Dougan (cort@cs.nmt.edu). Subsequently hacked - * on by Tom Rini, Armin Kuster, Paul Mackerras and others. - * - * 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/config.h> -#include <linux/errno.h> -#include <linux/sched.h> -#include <linux/kernel.h> -#include <linux/mm.h> -#include <linux/smp.h> -#include <linux/smp_lock.h> -#include <linux/stddef.h> -#include <linux/unistd.h> -#include <linux/ptrace.h> -#include <linux/slab.h> -#include <linux/sysctl.h> -#include <linux/cpu.h> - -#include <asm/pgtable.h> -#include <asm/uaccess.h> -#include <asm/system.h> -#include <asm/io.h> -#include <asm/mmu.h> -#include <asm/cache.h> -#include <asm/cputable.h> -#include <asm/machdep.h> -#include <asm/smp.h> - -void default_idle(void) -{ - void (*powersave)(void); - - powersave = ppc_md.power_save; - - if (!need_resched()) { - if (powersave != NULL) - powersave(); -#ifdef CONFIG_SMP - else { - set_thread_flag(TIF_POLLING_NRFLAG); - while (!need_resched() && - !cpu_is_offline(smp_processor_id())) - barrier(); - clear_thread_flag(TIF_POLLING_NRFLAG); - } -#endif - } -} - -/* - * The body of the idle task. - */ -void cpu_idle(void) -{ - int cpu = smp_processor_id(); - - for (;;) { - while (!need_resched()) { - if (ppc_md.idle != NULL) - ppc_md.idle(); - else - default_idle(); - } - - if (cpu_is_offline(cpu) && system_state == SYSTEM_RUNNING) - cpu_die(); - preempt_enable_no_resched(); - schedule(); - preempt_disable(); - } -} - -#if defined(CONFIG_SYSCTL) && defined(CONFIG_6xx) -/* - * Register the sysctl to set/clear powersave_nap. - */ -extern int powersave_nap; - -static ctl_table powersave_nap_ctl_table[]={ - { - .ctl_name = KERN_PPC_POWERSAVE_NAP, - .procname = "powersave-nap", - .data = &powersave_nap, - .maxlen = sizeof(int), - .mode = 0644, - .proc_handler = &proc_dointvec, - }, - { 0, }, -}; -static ctl_table powersave_nap_sysctl_root[] = { - { 1, "kernel", NULL, 0, 0755, powersave_nap_ctl_table, }, - { 0,}, -}; - -static int __init -register_powersave_nap_sysctl(void) -{ - register_sysctl_table(powersave_nap_sysctl_root, 0); - - return 0; -} - -__initcall(register_powersave_nap_sysctl); -#endif diff --git a/arch/ppc/kernel/idle_6xx.S b/arch/ppc/kernel/idle_6xx.S deleted file mode 100644 index 1a2194cf682..00000000000 --- a/arch/ppc/kernel/idle_6xx.S +++ /dev/null @@ -1,233 +0,0 @@ -/* - * This file contains the power_save function for 6xx & 7xxx CPUs - * rewritten in assembler - * - * Warning ! This code assumes that if your machine has a 750fx - * it will have PLL 1 set to low speed mode (used during NAP/DOZE). - * if this is not the case some additional changes will have to - * be done to check a runtime var (a bit like powersave-nap) - * - * 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/config.h> -#include <linux/threads.h> -#include <asm/processor.h> -#include <asm/page.h> -#include <asm/cputable.h> -#include <asm/thread_info.h> -#include <asm/ppc_asm.h> -#include <asm/asm-offsets.h> - -#undef DEBUG - - .text - -/* - * Init idle, called at early CPU setup time from head.S for each CPU - * Make sure no rest of NAP mode remains in HID0, save default - * values for some CPU specific registers. Called with r24 - * containing CPU number and r3 reloc offset - */ -_GLOBAL(init_idle_6xx) -BEGIN_FTR_SECTION - mfspr r4,SPRN_HID0 - rlwinm r4,r4,0,10,8 /* Clear NAP */ - mtspr SPRN_HID0, r4 - b 1f -END_FTR_SECTION_IFSET(CPU_FTR_CAN_NAP) - blr -1: - slwi r5,r24,2 - add r5,r5,r3 -BEGIN_FTR_SECTION - mfspr r4,SPRN_MSSCR0 - addis r6,r5, nap_save_msscr0@ha - stw r4,nap_save_msscr0@l(r6) -END_FTR_SECTION_IFSET(CPU_FTR_NAP_DISABLE_L2_PR) -BEGIN_FTR_SECTION - mfspr r4,SPRN_HID1 - addis r6,r5,nap_save_hid1@ha - stw r4,nap_save_hid1@l(r6) -END_FTR_SECTION_IFSET(CPU_FTR_DUAL_PLL_750FX) - blr - -/* - * Here is the power_save_6xx function. This could eventually be - * split into several functions & changing the function pointer - * depending on the various features. - */ -_GLOBAL(ppc6xx_idle) - /* Check if we can nap or doze, put HID0 mask in r3 - */ - lis r3, 0 -BEGIN_FTR_SECTION - lis r3,HID0_DOZE@h -END_FTR_SECTION_IFSET(CPU_FTR_CAN_DOZE) -BEGIN_FTR_SECTION - /* We must dynamically check for the NAP feature as it - * can be cleared by CPU init after the fixups are done - */ - lis r4,cur_cpu_spec@ha - lwz r4,cur_cpu_spec@l(r4) - lwz r4,CPU_SPEC_FEATURES(r4) - andi. r0,r4,CPU_FTR_CAN_NAP - beq 1f - /* Now check if user or arch enabled NAP mode */ - lis r4,powersave_nap@ha - lwz r4,powersave_nap@l(r4) - cmpwi 0,r4,0 - beq 1f - lis r3,HID0_NAP@h -1: -END_FTR_SECTION_IFSET(CPU_FTR_CAN_NAP) - cmpwi 0,r3,0 - beqlr - - /* Clear MSR:EE */ - mfmsr r7 - rlwinm r0,r7,0,17,15 - mtmsr r0 - - /* Check current_thread_info()->flags */ - rlwinm r4,r1,0,0,18 - lwz r4,TI_FLAGS(r4) - andi. r0,r4,_TIF_NEED_RESCHED - beq 1f - mtmsr r7 /* out of line this ? */ - blr -1: - /* Some pre-nap cleanups needed on some CPUs */ - andis. r0,r3,HID0_NAP@h - beq 2f -BEGIN_FTR_SECTION - /* Disable L2 prefetch on some 745x and try to ensure - * L2 prefetch engines are idle. As explained by errata - * text, we can't be sure they are, we just hope very hard - * that well be enough (sic !). At least I noticed Apple - * doesn't even bother doing the dcbf's here... - */ - mfspr r4,SPRN_MSSCR0 - rlwinm r4,r4,0,0,29 - sync - mtspr SPRN_MSSCR0,r4 - sync - isync - lis r4,KERNELBASE@h - dcbf 0,r4 - dcbf 0,r4 - dcbf 0,r4 - dcbf 0,r4 -END_FTR_SECTION_IFSET(CPU_FTR_NAP_DISABLE_L2_PR) -#ifdef DEBUG - lis r6,nap_enter_count@ha - lwz r4,nap_enter_count@l(r6) - addi r4,r4,1 - stw r4,nap_enter_count@l(r6) -#endif -2: -BEGIN_FTR_SECTION - /* Go to low speed mode on some 750FX */ - lis r4,powersave_lowspeed@ha - lwz r4,powersave_lowspeed@l(r4) - cmpwi 0,r4,0 - beq 1f - mfspr r4,SPRN_HID1 - oris r4,r4,0x0001 - mtspr SPRN_HID1,r4 -1: -END_FTR_SECTION_IFSET(CPU_FTR_DUAL_PLL_750FX) - - /* Go to NAP or DOZE now */ - mfspr r4,SPRN_HID0 - lis r5,(HID0_NAP|HID0_SLEEP)@h -BEGIN_FTR_SECTION - oris r5,r5,HID0_DOZE@h -END_FTR_SECTION_IFSET(CPU_FTR_CAN_DOZE) - andc r4,r4,r5 - or r4,r4,r3 -BEGIN_FTR_SECTION - oris r4,r4,HID0_DPM@h /* that should be done once for all */ -END_FTR_SECTION_IFCLR(CPU_FTR_NO_DPM) - mtspr SPRN_HID0,r4 -BEGIN_FTR_SECTION - DSSALL - sync -END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC) - ori r7,r7,MSR_EE /* Could be ommited (already set) */ - oris r7,r7,MSR_POW@h - sync - isync - mtmsr r7 - isync - sync - blr - -/* - * Return from NAP/DOZE mode, restore some CPU specific registers, - * we are called with DR/IR still off and r2 containing physical - * address of current. - */ -_GLOBAL(power_save_6xx_restore) - mfspr r11,SPRN_HID0 - rlwinm. r11,r11,0,10,8 /* Clear NAP & copy NAP bit !state to cr1 EQ */ - cror 4*cr1+eq,4*cr0+eq,4*cr0+eq -BEGIN_FTR_SECTION - rlwinm r11,r11,0,9,7 /* Clear DOZE */ -END_FTR_SECTION_IFSET(CPU_FTR_CAN_DOZE) - mtspr SPRN_HID0, r11 - -#ifdef DEBUG - beq cr1,1f - lis r11,(nap_return_count-KERNELBASE)@ha - lwz r9,nap_return_count@l(r11) - addi r9,r9,1 - stw r9,nap_return_count@l(r11) -1: -#endif - - rlwinm r9,r1,0,0,18 - tophys(r9,r9) - lwz r11,TI_CPU(r9) - slwi r11,r11,2 - /* Todo make sure all these are in the same page - * and load r22 (@ha part + CPU offset) only once - */ -BEGIN_FTR_SECTION - beq cr1,1f - addis r9,r11,(nap_save_msscr0-KERNELBASE)@ha - lwz r9,nap_save_msscr0@l(r9) - mtspr SPRN_MSSCR0, r9 - sync - isync -1: -END_FTR_SECTION_IFSET(CPU_FTR_NAP_DISABLE_L2_PR) -BEGIN_FTR_SECTION - addis r9,r11,(nap_save_hid1-KERNELBASE)@ha - lwz r9,nap_save_hid1@l(r9) - mtspr SPRN_HID1, r9 -END_FTR_SECTION_IFSET(CPU_FTR_DUAL_PLL_750FX) - b transfer_to_handler_cont - - .data - -_GLOBAL(nap_save_msscr0) - .space 4*NR_CPUS - -_GLOBAL(nap_save_hid1) - .space 4*NR_CPUS - -_GLOBAL(powersave_nap) - .long 0 -_GLOBAL(powersave_lowspeed) - .long 0 - -#ifdef DEBUG -_GLOBAL(nap_enter_count) - .space 4 -_GLOBAL(nap_return_count) - .space 4 -#endif diff --git a/arch/ppc/kernel/idle_power4.S b/arch/ppc/kernel/idle_power4.S deleted file mode 100644 index cc0d535365c..00000000000 --- a/arch/ppc/kernel/idle_power4.S +++ /dev/null @@ -1,91 +0,0 @@ -/* - * This file contains the power_save function for 6xx & 7xxx CPUs - * rewritten in assembler - * - * Warning ! This code assumes that if your machine has a 750fx - * it will have PLL 1 set to low speed mode (used during NAP/DOZE). - * if this is not the case some additional changes will have to - * be done to check a runtime var (a bit like powersave-nap) - * - * 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/config.h> -#include <linux/threads.h> -#include <asm/processor.h> -#include <asm/page.h> -#include <asm/cputable.h> -#include <asm/thread_info.h> -#include <asm/ppc_asm.h> -#include <asm/asm-offsets.h> - -#undef DEBUG - - .text - -/* - * Init idle, called at early CPU setup time from head.S for each CPU - * So nothing for now. Called with r24 containing CPU number and r3 - * reloc offset - */ - .globl init_idle_power4 -init_idle_power4: - blr - -/* - * Here is the power_save_6xx function. This could eventually be - * split into several functions & changing the function pointer - * depending on the various features. - */ - .globl power4_idle -power4_idle: -BEGIN_FTR_SECTION - blr -END_FTR_SECTION_IFCLR(CPU_FTR_CAN_NAP) - /* We must dynamically check for the NAP feature as it - * can be cleared by CPU init after the fixups are done - */ - lis r4,cur_cpu_spec@ha - lwz r4,cur_cpu_spec@l(r4) - lwz r4,CPU_SPEC_FEATURES(r4) - andi. r0,r4,CPU_FTR_CAN_NAP - beqlr - /* Now check if user or arch enabled NAP mode */ - lis r4,powersave_nap@ha - lwz r4,powersave_nap@l(r4) - cmpwi 0,r4,0 - beqlr - - /* Clear MSR:EE */ - mfmsr r7 - rlwinm r0,r7,0,17,15 - mtmsr r0 - - /* Check current_thread_info()->flags */ - rlwinm r4,r1,0,0,18 - lwz r4,TI_FLAGS(r4) - andi. r0,r4,_TIF_NEED_RESCHED - beq 1f - mtmsr r7 /* out of line this ? */ - blr -1: - /* Go to NAP now */ -BEGIN_FTR_SECTION - DSSALL - sync -END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC) - ori r7,r7,MSR_EE /* Could be ommited (already set) */ - oris r7,r7,MSR_POW@h - sync - isync - mtmsr r7 - isync - sync - blr - - .globl powersave_nap -powersave_nap: - .long 0 diff --git a/arch/ppc/kernel/pci.c b/arch/ppc/kernel/pci.c index 04d04c5bfdd..809673a36f7 100644 --- a/arch/ppc/kernel/pci.c +++ b/arch/ppc/kernel/pci.c @@ -46,9 +46,6 @@ static void pcibios_fixup_resources(struct pci_dev* dev); static void fixup_broken_pcnet32(struct pci_dev* dev); static int reparent_resources(struct resource *parent, struct resource *res); static void fixup_cpc710_pci64(struct pci_dev* dev); -#ifdef CONFIG_PPC_OF -static u8* pci_to_OF_bus_map; -#endif /* By default, we don't re-assign bus numbers. */ @@ -625,406 +622,13 @@ pcibios_alloc_controller(void) return hose; } -#ifdef CONFIG_PPC_OF -/* - * Functions below are used on OpenFirmware machines. - */ -static void -make_one_node_map(struct device_node* node, u8 pci_bus) -{ - int *bus_range; - int len; - - if (pci_bus >= pci_bus_count) - return; - bus_range = (int *) get_property(node, "bus-range", &len); - if (bus_range == NULL || len < 2 * sizeof(int)) { - printk(KERN_WARNING "Can't get bus-range for %s, " - "assuming it starts at 0\n", node->full_name); - pci_to_OF_bus_map[pci_bus] = 0; - } else - pci_to_OF_bus_map[pci_bus] = bus_range[0]; - - for (node=node->child; node != 0;node = node->sibling) { - struct pci_dev* dev; - unsigned int *class_code, *reg; - - class_code = (unsigned int *) get_property(node, "class-code", NULL); - if (!class_code || ((*class_code >> 8) != PCI_CLASS_BRIDGE_PCI && - (*class_code >> 8) != PCI_CLASS_BRIDGE_CARDBUS)) - continue; - reg = (unsigned int *)get_property(node, "reg", NULL); - if (!reg) - continue; - dev = pci_find_slot(pci_bus, ((reg[0] >> 8) & 0xff)); - if (!dev || !dev->subordinate) - continue; - make_one_node_map(node, dev->subordinate->number); - } -} - -void -pcibios_make_OF_bus_map(void) -{ - int i; - struct pci_controller* hose; - u8* of_prop_map; - - pci_to_OF_bus_map = (u8*)kmalloc(pci_bus_count, GFP_KERNEL); - if (!pci_to_OF_bus_map) { - printk(KERN_ERR "Can't allocate OF bus map !\n"); - return; - } - - /* We fill the bus map with invalid values, that helps - * debugging. - */ - for (i=0; i<pci_bus_count; i++) - pci_to_OF_bus_map[i] = 0xff; - - /* For each hose, we begin searching bridges */ - for(hose=hose_head; hose; hose=hose->next) { - struct device_node* node; - node = (struct device_node *)hose->arch_data; - if (!node) - continue; - make_one_node_map(node, hose->first_busno); - } - of_prop_map = get_property(find_path_device("/"), "pci-OF-bus-map", NULL); - if (of_prop_map) - memcpy(of_prop_map, pci_to_OF_bus_map, pci_bus_count); -#ifdef DEBUG - printk("PCI->OF bus map:\n"); - for (i=0; i<pci_bus_count; i++) { - if (pci_to_OF_bus_map[i] == 0xff) - continue; - printk("%d -> %d\n", i, pci_to_OF_bus_map[i]); - } -#endif -} - -typedef int (*pci_OF_scan_iterator)(struct device_node* node, void* data); - -static struct device_node* -scan_OF_pci_childs(struct device_node* node, pci_OF_scan_iterator filter, void* data) -{ - struct device_node* sub_node; - - for (; node != 0;node = node->sibling) { - unsigned int *class_code; - - if (filter(node, data)) - return node; - - /* For PCI<->PCI bridges or CardBus bridges, we go down - * Note: some OFs create a parent node "multifunc-device" as - * a fake root for all functions of a multi-function device, - * we go down them as well. - */ - class_code = (unsigned int *) get_property(node, "class-code", NULL); - if ((!class_code || ((*class_code >> 8) != PCI_CLASS_BRIDGE_PCI && - (*class_code >> 8) != PCI_CLASS_BRIDGE_CARDBUS)) && - strcmp(node->name, "multifunc-device")) - continue; - sub_node = scan_OF_pci_childs(node->child, filter, data); - if (sub_node) - return sub_node; - } - return NULL; -} - -static int -scan_OF_pci_childs_iterator(struct device_node* node, void* data) -{ - unsigned int *reg; - u8* fdata = (u8*)data; - - reg = (unsigned int *) get_property(node, "reg", NULL); - if (reg && ((reg[0] >> 8) & 0xff) == fdata[1] - && ((reg[0] >> 16) & 0xff) == fdata[0]) - return 1; - return 0; -} - -static struct device_node* -scan_OF_childs_for_device(struct device_node* node, u8 bus, u8 dev_fn) -{ - u8 filter_data[2] = {bus, dev_fn}; - - return scan_OF_pci_childs(node, scan_OF_pci_childs_iterator, filter_data); -} - -/* - * Scans the OF tree for a device node matching a PCI device - */ -struct device_node * -pci_busdev_to_OF_node(struct pci_bus *bus, int devfn) -{ - struct pci_controller *hose; - struct device_node *node; - int busnr; - - if (!have_of) - return NULL; - - /* Lookup the hose */ - busnr = bus->number; - hose = pci_bus_to_hose(busnr); - if (!hose) - return NULL; - - /* Check it has an OF node associated */ - node = (struct device_node *) hose->arch_data; - if (!node) - return NULL; - - /* Fixup bus number according to what OF think it is. */ - if (pci_to_OF_bus_map) - busnr = pci_to_OF_bus_map[busnr]; - if (busnr == 0xff) - return NULL; - - /* Now, lookup childs of the hose */ - return scan_OF_childs_for_device(node->child, busnr, devfn); -} -EXPORT_SYMBOL(pci_busdev_to_OF_node); - -struct device_node* -pci_device_to_OF_node(struct pci_dev *dev) -{ - return pci_busdev_to_OF_node(dev->bus, dev->devfn); -} -EXPORT_SYMBOL(pci_device_to_OF_node); - -/* This routine is meant to be used early during boot, when the - * PCI bus numbers have not yet been assigned, and you need to - * issue PCI config cycles to an OF device. - * It could also be used to "fix" RTAS config cycles if you want - * to set pci_assign_all_buses to 1 and still use RTAS for PCI - * config cycles. - */ -struct pci_controller* pci_find_hose_for_OF_device(struct device_node* node) -{ - if (!have_of) - return NULL; - while(node) { - struct pci_controller* hose; - for (hose=hose_head;hose;hose=hose->next) - if (hose->arch_data == node) - return hose; - node=node->parent; - } - return NULL; -} - -static int -find_OF_pci_device_filter(struct device_node* node, void* data) -{ - return ((void *)node == data); -} - -/* - * Returns the PCI device matching a given OF node - */ -int -pci_device_from_OF_node(struct device_node* node, u8* bus, u8* devfn) -{ - unsigned int *reg; - struct pci_controller* hose; - struct pci_dev* dev = NULL; - - if (!have_of) - return -ENODEV; - /* Make sure it's really a PCI device */ - hose = pci_find_hose_for_OF_device(node); - if (!hose || !hose->arch_data) - return -ENODEV; - if (!scan_OF_pci_childs(((struct device_node*)hose->arch_data)->child, - find_OF_pci_device_filter, (void *)node)) - return -ENODEV; - reg = (unsigned int *) get_property(node, "reg", NULL); - if (!reg) - return -ENODEV; - *bus = (reg[0] >> 16) & 0xff; - *devfn = ((reg[0] >> 8) & 0xff); - - /* Ok, here we need some tweak. If we have already renumbered - * all busses, we can't rely on the OF bus number any more. - * the pci_to_OF_bus_map is not enough as several PCI busses - * may match the same OF bus number. - */ - if (!pci_to_OF_bus_map) - return 0; - - for_each_pci_dev(dev) - if (pci_to_OF_bus_map[dev->bus->number] == *bus && - dev->devfn == *devfn) { - *bus = dev->bus->number; - pci_dev_put(dev); - return 0; - } - - return -ENODEV; -} -EXPORT_SYMBOL(pci_device_from_OF_node); - -void __init -pci_process_bridge_OF_ranges(struct pci_controller *hose, - struct device_node *dev, int primary) -{ - static unsigned int static_lc_ranges[256] __initdata; - unsigned int *dt_ranges, *lc_ranges, *ranges, *prev; - unsigned int size; - int rlen = 0, orig_rlen; - int memno = 0; - struct resource *res; - int np, na = prom_n_addr_cells(dev); - np = na + 5; - - /* First we try to merge ranges to fix a problem with some pmacs - * that can have more than 3 ranges, fortunately using contiguous - * addresses -- BenH - */ - dt_ranges = (unsigned int *) get_property(dev, "ranges", &rlen); - if (!dt_ranges) - return; - /* Sanity check, though hopefully that never happens */ - if (rlen > sizeof(static_lc_ranges)) { - printk(KERN_WARNING "OF ranges property too large !\n"); - rlen = sizeof(static_lc_ranges); - } - lc_ranges = static_lc_ranges; - memcpy(lc_ranges, dt_ranges, rlen); - orig_rlen = rlen; - - /* Let's work on a copy of the "ranges" property instead of damaging - * the device-tree image in memory - */ - ranges = lc_ranges; - prev = NULL; - while ((rlen -= np * sizeof(unsigned int)) >= 0) { - if (prev) { - if (prev[0] == ranges[0] && prev[1] == ranges[1] && - (prev[2] + prev[na+4]) == ranges[2] && - (prev[na+2] + prev[na+4]) == ranges[na+2]) { - prev[na+4] += ranges[na+4]; - ranges[0] = 0; - ranges += np; - continue; - } - } - prev = ranges; - ranges += np; - } - - /* - * The ranges property is laid out as an array of elements, - * each of which comprises: - * cells 0 - 2: a PCI address - * cells 3 or 3+4: a CPU physical address - * (size depending on dev->n_addr_cells) - * cells 4+5 or 5+6: the size of the range - */ - ranges = lc_ranges; - rlen = orig_rlen; - while (ranges && (rlen -= np * sizeof(unsigned int)) >= 0) { - res = NULL; - size = ranges[na+4]; - switch ((ranges[0] >> 24) & 0x3) { - case 1: /* I/O space */ - if (ranges[2] != 0) - break; - hose->io_base_phys = ranges[na+2]; - /* limit I/O space to 16MB */ - if (size > 0x01000000) - size = 0x01000000; - hose->io_base_virt = ioremap(ranges[na+2], size); - if (primary) - isa_io_base = (unsigned long) hose->io_base_virt; - res = &hose->io_resource; - res->flags = IORESOURCE_IO; - res->start = ranges[2]; - DBG("PCI: IO 0x%lx -> 0x%lx\n", - res->start, res->start + size - 1); - break; - case 2: /* memory space */ - memno = 0; - if (ranges[1] == 0 && ranges[2] == 0 - && ranges[na+4] <= (16 << 20)) { - /* 1st 16MB, i.e. ISA memory area */ - if (primary) - isa_mem_base = ranges[na+2]; - memno = 1; - } - while (memno < 3 && hose->mem_resources[memno].flags) - ++memno; - if (memno == 0) - hose->pci_mem_offset = ranges[na+2] - ranges[2]; - if (memno < 3) { - res = &hose->mem_resources[memno]; - res->flags = IORESOURCE_MEM; - if(ranges[0] & 0x40000000) - res->flags |= IORESOURCE_PREFETCH; - res->start = ranges[na+2]; - DBG("PCI: MEM[%d] 0x%lx -> 0x%lx\n", memno, - res->start, res->start + size - 1); - } - break; - } - if (res != NULL) { - res->name = dev->full_name; - res->end = res->start + size - 1; - res->parent = NULL; - res->sibling = NULL; - res->child = NULL; - } - ranges += np; - } -} - -/* We create the "pci-OF-bus-map" property now so it appears in the - * /proc device tree - */ -void __init -pci_create_OF_bus_map(void) -{ - struct property* of_prop; - - of_prop = (struct property*) alloc_bootmem(sizeof(struct property) + 256); - if (of_prop && find_path_device("/")) { - memset(of_prop, -1, sizeof(struct property) + 256); - of_prop->name = "pci-OF-bus-map"; - of_prop->length = 256; - of_prop->value = (unsigned char *)&of_prop[1]; - prom_add_property(find_path_device("/"), of_prop); - } -} - -static ssize_t pci_show_devspec(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct pci_dev *pdev; - struct device_node *np; - - pdev = to_pci_dev (dev); - np = pci_device_to_OF_node(pdev); - if (np == NULL || np->full_name == NULL) - return 0; - return sprintf(buf, "%s", np->full_name); -} -static DEVICE_ATTR(devspec, S_IRUGO, pci_show_devspec, NULL); - -#else /* CONFIG_PPC_OF */ void pcibios_make_OF_bus_map(void) { } -#endif /* CONFIG_PPC_OF */ /* Add sysfs properties */ void pcibios_add_platform_entries(struct pci_dev *pdev) { -#ifdef CONFIG_PPC_OF - device_create_file(&pdev->dev, &dev_attr_devspec); -#endif /* CONFIG_PPC_OF */ } diff --git a/arch/ppc/kernel/ppc_htab.c b/arch/ppc/kernel/ppc_htab.c index 9b84bffdefc..75c64504374 100644 --- a/arch/ppc/kernel/ppc_htab.c +++ b/arch/ppc/kernel/ppc_htab.c @@ -104,7 +104,7 @@ static char *pmc2_lookup(unsigned long mmcr0) static int ppc_htab_show(struct seq_file *m, void *v) { unsigned long mmcr0 = 0, pmc1 = 0, pmc2 = 0; -#if defined(CONFIG_PPC_STD_MMU) && !defined(CONFIG_PPC64BRIDGE) +#if defined(CONFIG_PPC_STD_MMU) unsigned int kptes = 0, uptes = 0; PTE *ptr; #endif /* CONFIG_PPC_STD_MMU */ @@ -133,7 +133,6 @@ static int ppc_htab_show(struct seq_file *m, void *v) return 0; } -#ifndef CONFIG_PPC64BRIDGE for (ptr = Hash; ptr < Hash_end; ptr++) { unsigned int mctx, vsid; @@ -147,7 +146,6 @@ static int ppc_htab_show(struct seq_file *m, void *v) else uptes++; } -#endif seq_printf(m, "PTE Hash Table Information\n" @@ -155,20 +153,16 @@ static int ppc_htab_show(struct seq_file *m, void *v) "Buckets\t\t: %lu\n" "Address\t\t: %08lx\n" "Entries\t\t: %lu\n" -#ifndef CONFIG_PPC64BRIDGE "User ptes\t: %u\n" "Kernel ptes\t: %u\n" "Percent full\t: %lu%%\n" -#endif , (unsigned long)(Hash_size>>10), (Hash_size/(sizeof(PTE)*8)), (unsigned long)Hash, Hash_size/sizeof(PTE) -#ifndef CONFIG_PPC64BRIDGE , uptes, kptes, ((kptes+uptes)*100) / (Hash_size/sizeof(PTE)) -#endif ); seq_printf(m, diff --git a/arch/ppc/kernel/ppc_ksyms.c b/arch/ppc/kernel/ppc_ksyms.c index 82adb460134..865ba74991a 100644 --- a/arch/ppc/kernel/ppc_ksyms.c +++ b/arch/ppc/kernel/ppc_ksyms.c @@ -18,7 +18,6 @@ #include <linux/bitops.h> #include <asm/page.h> -#include <asm/semaphore.h> #include <asm/processor.h> #include <asm/uaccess.h> #include <asm/io.h> @@ -30,7 +29,6 @@ #include <linux/adb.h> #include <linux/cuda.h> #include <linux/pmu.h> -#include <asm/prom.h> #include <asm/system.h> #include <asm/pci-bridge.h> #include <asm/irq.h> @@ -208,27 +206,6 @@ EXPORT_SYMBOL(adb_try_handler_change); EXPORT_SYMBOL(cuda_request); EXPORT_SYMBOL(cuda_poll); #endif /* CONFIG_ADB_CUDA */ -#ifdef CONFIG_PPC_OF -EXPORT_SYMBOL(find_devices); -EXPORT_SYMBOL(find_type_devices); -EXPORT_SYMBOL(find_compatible_devices); -EXPORT_SYMBOL(find_path_device); -EXPORT_SYMBOL(device_is_compatible); -EXPORT_SYMBOL(machine_is_compatible); -EXPORT_SYMBOL(find_all_nodes); -EXPORT_SYMBOL(get_property); -EXPORT_SYMBOL(request_OF_resource); -EXPORT_SYMBOL(release_OF_resource); -EXPORT_SYMBOL(of_find_node_by_name); -EXPORT_SYMBOL(of_find_node_by_type); -EXPORT_SYMBOL(of_find_compatible_node); -EXPORT_SYMBOL(of_find_node_by_path); -EXPORT_SYMBOL(of_find_all_nodes); -EXPORT_SYMBOL(of_get_parent); -EXPORT_SYMBOL(of_get_next_child); -EXPORT_SYMBOL(of_node_get); -EXPORT_SYMBOL(of_node_put); -#endif /* CONFIG_PPC_OF */ #if defined(CONFIG_BOOTX_TEXT) EXPORT_SYMBOL(btext_update_display); #endif @@ -262,9 +239,6 @@ EXPORT_SYMBOL(console_drivers); EXPORT_SYMBOL(xmon); EXPORT_SYMBOL(xmon_printf); #endif -EXPORT_SYMBOL(__up); -EXPORT_SYMBOL(__down); -EXPORT_SYMBOL(__down_interruptible); #if defined(CONFIG_KGDB) || defined(CONFIG_XMON) extern void (*debugger)(struct pt_regs *regs); diff --git a/arch/ppc/kernel/setup.c b/arch/ppc/kernel/setup.c index 53e9deacee8..1f79e84ab46 100644 --- a/arch/ppc/kernel/setup.c +++ b/arch/ppc/kernel/setup.c @@ -1,5 +1,5 @@ /* - * Common prep/chrp boot and setup code. + * Common prep boot and setup code. */ #include <linux/config.h> @@ -72,17 +72,12 @@ unsigned long ISA_DMA_THRESHOLD; unsigned int DMA_MODE_READ; unsigned int DMA_MODE_WRITE; -#ifdef CONFIG_PPC_MULTIPLATFORM -int _machine = 0; -EXPORT_SYMBOL(_machine); - +#ifdef CONFIG_PPC_PREP extern void prep_init(unsigned long r3, unsigned long r4, unsigned long r5, unsigned long r6, unsigned long r7); -extern void chrp_init(unsigned long r3, unsigned long r4, - unsigned long r5, unsigned long r6, unsigned long r7); dev_t boot_dev; -#endif /* CONFIG_PPC_MULTIPLATFORM */ +#endif /* CONFIG_PPC_PREP */ int have_of; EXPORT_SYMBOL(have_of); @@ -319,72 +314,12 @@ early_init(int r3, int r4, int r5) identify_cpu(offset, 0); do_cpu_ftr_fixups(offset); -#if defined(CONFIG_PPC_OF) - reloc_got2(offset); - - /* - * don't do anything on prep - * for now, don't use bootinfo because it breaks yaboot 0.5 - * and assume that if we didn't find a magic number, we have OF - */ - if (*(unsigned long *)(0) != 0xdeadc0de) - phys = prom_init(r3, r4, (prom_entry)r5); - - reloc_got2(-offset); -#endif - return phys; } -#ifdef CONFIG_PPC_OF -/* - * Assume here that all clock rates are the same in a - * smp system. -- Cort - */ -int -of_show_percpuinfo(struct seq_file *m, int i) -{ - struct device_node *cpu_node; - u32 *fp; - int s; - - cpu_node = find_type_devices("cpu"); - if (!cpu_node) - return 0; - for (s = 0; s < i && cpu_node->next; s++) - cpu_node = cpu_node->next; - fp = (u32 *)get_property(cpu_node, "clock-frequency", NULL); - if (fp) - seq_printf(m, "clock\t\t: %dMHz\n", *fp / 1000000); - return 0; -} - -void __init -intuit_machine_type(void) -{ - char *model; - struct device_node *root; - - /* ask the OF info if we're a chrp or pmac */ - root = find_path_device("/"); - if (root != 0) { - /* assume pmac unless proven to be chrp -- Cort */ - _machine = _MACH_Pmac; - model = get_property(root, "device_type", NULL); - if (model && !strncmp("chrp", model, 4)) - _machine = _MACH_chrp; - else { - model = get_property(root, "model", NULL); - if (model && !strncmp(model, "IBM", 3)) - _machine = _MACH_chrp; - } - } -} -#endif - -#ifdef CONFIG_PPC_MULTIPLATFORM +#ifdef CONFIG_PPC_PREP /* - * The PPC_MULTIPLATFORM version of platform_init... + * The PPC_PREP version of platform_init... */ void __init platform_init(unsigned long r3, unsigned long r4, unsigned long r5, @@ -399,161 +334,9 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5, parse_bootinfo(find_bootinfo()); - /* if we didn't get any bootinfo telling us what we are... */ - if (_machine == 0) { - /* prep boot loader tells us if we're prep or not */ - if ( *(unsigned long *)(KERNELBASE) == (0xdeadc0de) ) - _machine = _MACH_prep; - } - -#ifdef CONFIG_PPC_PREP - /* not much more to do here, if prep */ - if (_machine == _MACH_prep) { - prep_init(r3, r4, r5, r6, r7); - return; - } -#endif - -#ifdef CONFIG_PPC_OF - have_of = 1; - - /* prom_init has already been called from __start */ - if (boot_infos) - relocate_nodes(); - - /* If we aren't PReP, we can find out if we're Pmac - * or CHRP with this. */ - if (_machine == 0) - intuit_machine_type(); - - /* finish_device_tree may need _machine defined. */ - finish_device_tree(); - - /* - * If we were booted via quik, r3 points to the physical - * address of the command-line parameters. - * If we were booted from an xcoff image (i.e. netbooted or - * booted from floppy), we get the command line from the - * bootargs property of the /chosen node. - * If an initial ramdisk is present, r3 and r4 - * are used for initrd_start and initrd_size, - * otherwise they contain 0xdeadbeef. - */ - if (r3 >= 0x4000 && r3 < 0x800000 && r4 == 0) { - strlcpy(cmd_line, (char *)r3 + KERNELBASE, - sizeof(cmd_line)); - } else if (boot_infos != 0) { - /* booted by BootX - check for ramdisk */ - if (boot_infos->kernelParamsOffset != 0) - strlcpy(cmd_line, (char *) boot_infos - + boot_infos->kernelParamsOffset, - sizeof(cmd_line)); -#ifdef CONFIG_BLK_DEV_INITRD - if (boot_infos->ramDisk) { - initrd_start = (unsigned long) boot_infos - + boot_infos->ramDisk; - initrd_end = initrd_start + boot_infos->ramDiskSize; - initrd_below_start_ok = 1; - } -#endif - } else { - struct device_node *chosen; - char *p; - -#ifdef CONFIG_BLK_DEV_INITRD - if (r3 && r4 && r4 != 0xdeadbeef) { - if (r3 < KERNELBASE) - r3 += KERNELBASE; - initrd_start = r3; - initrd_end = r3 + r4; - ROOT_DEV = Root_RAM0; - initrd_below_start_ok = 1; - } -#endif - chosen = find_devices("chosen"); - if (chosen != NULL) { - p = get_property(chosen, "bootargs", NULL); - if (p && *p) { - strlcpy(cmd_line, p, sizeof(cmd_line)); - } - } - } -#ifdef CONFIG_ADB - if (strstr(cmd_line, "adb_sync")) { - extern int __adb_probe_sync; - __adb_probe_sync = 1; - } -#endif /* CONFIG_ADB */ - - switch (_machine) { -#ifdef CONFIG_PPC_CHRP - case _MACH_chrp: - chrp_init(r3, r4, r5, r6, r7); - break; -#endif - } -#endif /* CONFIG_PPC_OF */ + prep_init(r3, r4, r5, r6, r7); } -#endif /* CONFIG_PPC_MULTIPLATFORM */ - -#ifdef CONFIG_PPC_OF -#ifdef CONFIG_SERIAL_CORE_CONSOLE -extern char *of_stdout_device; - -static int __init set_preferred_console(void) -{ - struct device_node *prom_stdout; - char *name; - int offset = 0; - - if (of_stdout_device == NULL) - return -ENODEV; - - /* The user has requested a console so this is already set up. */ - if (strstr(saved_command_line, "console=")) - return -EBUSY; - - prom_stdout = find_path_device(of_stdout_device); - if (!prom_stdout) - return -ENODEV; - - name = (char *)get_property(prom_stdout, "name", NULL); - if (!name) - return -ENODEV; - - if (strcmp(name, "serial") == 0) { - int i; - u32 *reg = (u32 *)get_property(prom_stdout, "reg", &i); - if (i > 8) { - switch (reg[1]) { - case 0x3f8: - offset = 0; - break; - case 0x2f8: - offset = 1; - break; - case 0x898: - offset = 2; - break; - case 0x890: - offset = 3; - break; - default: - /* We dont recognise the serial port */ - return -ENODEV; - } - } - } else if (strcmp(name, "ch-a") == 0) - offset = 0; - else if (strcmp(name, "ch-b") == 0) - offset = 1; - else - return -ENODEV; - return add_preferred_console("ttyS", offset, NULL); -} -console_initcall(set_preferred_console); -#endif /* CONFIG_SERIAL_CORE_CONSOLE */ -#endif /* CONFIG_PPC_OF */ +#endif /* CONFIG_PPC_PREP */ struct bi_record *find_bootinfo(void) { @@ -589,23 +372,6 @@ void parse_bootinfo(struct bi_record *rec) initrd_end = data[0] + data[1] + KERNELBASE; break; #endif /* CONFIG_BLK_DEV_INITRD */ -#ifdef CONFIG_PPC_MULTIPLATFORM - case BI_MACHTYPE: - /* Machine types changed with the merge. Since the - * bootinfo are now deprecated, we can just hard code - * the appropriate conversion here for when we are - * called with yaboot which passes us a machine type - * this way. - */ - switch(data[0]) { - case 1: _machine = _MACH_prep; break; - case 2: _machine = _MACH_Pmac; break; - case 4: _machine = _MACH_chrp; break; - default: - _machine = data[0]; - } - break; -#endif case BI_MEMSIZE: boot_mem_size = data[0]; break; @@ -631,9 +397,6 @@ machine_init(unsigned long r3, unsigned long r4, unsigned long r5, #ifdef CONFIG_6xx ppc_md.power_save = ppc6xx_idle; #endif -#ifdef CONFIG_POWER4 - ppc_md.power_save = power4_idle; -#endif platform_init(r3, r4, r5, r6, r7); @@ -711,7 +474,7 @@ int __init ppc_init(void) if ( ppc_md.progress ) ppc_md.progress(" ", 0xffff); /* register CPU devices */ - for_each_cpu(i) + for_each_possible_cpu(i) register_cpu(&cpu_devices[i], i, NULL); /* call platform init */ @@ -799,7 +562,4 @@ void __init setup_arch(char **cmdline_p) if ( ppc_md.progress ) ppc_md.progress("arch: exit", 0x3eab); paging_init(); - - /* this is for modules since _machine can be a define -- Cort */ - ppc_md.ppc_machine = _machine; } diff --git a/arch/ppc/kernel/smp.c b/arch/ppc/kernel/smp.c index e55cdda6149..f77795a64da 100644 --- a/arch/ppc/kernel/smp.c +++ b/arch/ppc/kernel/smp.c @@ -311,7 +311,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus) /* Backup CPU 0 state */ __save_cpu_setup(); - for_each_cpu(cpu) { + for_each_possible_cpu(cpu) { if (cpu == smp_processor_id()) continue; /* create a process for the processor */ diff --git a/arch/ppc/lib/strcase.c b/arch/ppc/lib/strcase.c index 36b521091bb..3b0094cc2b5 100644 --- a/arch/ppc/lib/strcase.c +++ b/arch/ppc/lib/strcase.c @@ -1,4 +1,5 @@ #include <linux/ctype.h> +#include <linux/types.h> int strcasecmp(const char *s1, const char *s2) { @@ -11,7 +12,7 @@ int strcasecmp(const char *s1, const char *s2) return c1 - c2; } -int strncasecmp(const char *s1, const char *s2, int n) +int strncasecmp(const char *s1, const char *s2, size_t n) { int c1, c2; diff --git a/arch/ppc/mm/fault.c b/arch/ppc/mm/fault.c index 0217188ef46..8e08ca32531 100644 --- a/arch/ppc/mm/fault.c +++ b/arch/ppc/mm/fault.c @@ -202,6 +202,7 @@ good_area: /* an exec - 4xx/Book-E allows for per-page execute permission */ } else if (TRAP(regs) == 0x400) { pte_t *ptep; + pmd_t *pmdp; #if 0 /* It would be nice to actually enforce the VM execute @@ -215,21 +216,24 @@ good_area: /* Since 4xx/Book-E supports per-page execute permission, * we lazily flush dcache to icache. */ ptep = NULL; - if (get_pteptr(mm, address, &ptep) && pte_present(*ptep)) { - struct page *page = pte_page(*ptep); - - if (! test_bit(PG_arch_1, &page->flags)) { - flush_dcache_icache_page(page); - set_bit(PG_arch_1, &page->flags); + if (get_pteptr(mm, address, &ptep, &pmdp)) { + spinlock_t *ptl = pte_lockptr(mm, pmdp); + spin_lock(ptl); + if (pte_present(*ptep)) { + struct page *page = pte_page(*ptep); + + if (!test_bit(PG_arch_1, &page->flags)) { + flush_dcache_icache_page(page); + set_bit(PG_arch_1, &page->flags); + } + pte_update(ptep, 0, _PAGE_HWEXEC); + _tlbie(address); + pte_unmap_unlock(ptep, ptl); + up_read(&mm->mmap_sem); + return 0; } - pte_update(ptep, 0, _PAGE_HWEXEC); - _tlbie(address); - pte_unmap(ptep); - up_read(&mm->mmap_sem); - return 0; + pte_unmap_unlock(ptep, ptl); } - if (ptep != NULL) - pte_unmap(ptep); #endif /* a read */ } else { diff --git a/arch/ppc/mm/hashtable.S b/arch/ppc/mm/hashtable.S index f09fa88db35..31d0a924317 100644 --- a/arch/ppc/mm/hashtable.S +++ b/arch/ppc/mm/hashtable.S @@ -74,12 +74,6 @@ _GLOBAL(hash_page_sync) */ .text _GLOBAL(hash_page) -#ifdef CONFIG_PPC64BRIDGE - mfmsr r0 - clrldi r0,r0,1 /* make sure it's in 32-bit mode */ - MTMSRD(r0) - isync -#endif tophys(r7,0) /* gets -KERNELBASE into r7 */ #ifdef CONFIG_SMP addis r8,r7,mmu_hash_lock@h @@ -303,7 +297,6 @@ Hash_base = 0xc0180000 Hash_bits = 12 /* e.g. 256kB hash table */ Hash_msk = (((1 << Hash_bits) - 1) * 64) -#ifndef CONFIG_PPC64BRIDGE /* defines for the PTE format for 32-bit PPCs */ #define PTE_SIZE 8 #define PTEG_SIZE 64 @@ -317,21 +310,6 @@ Hash_msk = (((1 << Hash_bits) - 1) * 64) #define SET_V(r) oris r,r,PTE_V@h #define CLR_V(r,t) rlwinm r,r,0,1,31 -#else -/* defines for the PTE format for 64-bit PPCs */ -#define PTE_SIZE 16 -#define PTEG_SIZE 128 -#define LG_PTEG_SIZE 7 -#define LDPTEu ldu -#define STPTE std -#define CMPPTE cmpd -#define PTE_H 2 -#define PTE_V 1 -#define TST_V(r) andi. r,r,PTE_V -#define SET_V(r) ori r,r,PTE_V -#define CLR_V(r,t) li t,PTE_V; andc r,r,t -#endif /* CONFIG_PPC64BRIDGE */ - #define HASH_LEFT 31-(LG_PTEG_SIZE+Hash_bits-1) #define HASH_RIGHT 31-LG_PTEG_SIZE @@ -349,14 +327,8 @@ BEGIN_FTR_SECTION END_FTR_SECTION_IFSET(CPU_FTR_NEED_COHERENT) /* Construct the high word of the PPC-style PTE (r5) */ -#ifndef CONFIG_PPC64BRIDGE rlwinm r5,r3,7,1,24 /* put VSID in 0x7fffff80 bits */ rlwimi r5,r4,10,26,31 /* put in API (abbrev page index) */ -#else /* CONFIG_PPC64BRIDGE */ - clrlwi r3,r3,8 /* reduce vsid to 24 bits */ - sldi r5,r3,12 /* shift vsid into position */ - rlwimi r5,r4,16,20,24 /* put in API (abbrev page index) */ -#endif /* CONFIG_PPC64BRIDGE */ SET_V(r5) /* set V (valid) bit */ /* Get the address of the primary PTE group in the hash table (r3) */ @@ -540,14 +512,8 @@ _GLOBAL(flush_hash_pages) add r3,r3,r0 /* note code below trims to 24 bits */ /* Construct the high word of the PPC-style PTE (r11) */ -#ifndef CONFIG_PPC64BRIDGE rlwinm r11,r3,7,1,24 /* put VSID in 0x7fffff80 bits */ rlwimi r11,r4,10,26,31 /* put in API (abbrev page index) */ -#else /* CONFIG_PPC64BRIDGE */ - clrlwi r3,r3,8 /* reduce vsid to 24 bits */ - sldi r11,r3,12 /* shift vsid into position */ - rlwimi r11,r4,16,20,24 /* put in API (abbrev page index) */ -#endif /* CONFIG_PPC64BRIDGE */ SET_V(r11) /* set V (valid) bit */ #ifdef CONFIG_SMP diff --git a/arch/ppc/mm/init.c b/arch/ppc/mm/init.c index cb1c294fb93..386e000bcb7 100644 --- a/arch/ppc/mm/init.c +++ b/arch/ppc/mm/init.c @@ -412,14 +412,6 @@ void __init mem_init(void) } #endif /* CONFIG_BLK_DEV_INITRD */ -#ifdef CONFIG_PPC_OF - /* mark the RTAS pages as reserved */ - if ( rtas_data ) - for (addr = (ulong)__va(rtas_data); - addr < PAGE_ALIGN((ulong)__va(rtas_data)+rtas_size) ; - addr += PAGE_SIZE) - SetPageReserved(virt_to_page(addr)); -#endif for (addr = PAGE_OFFSET; addr < (unsigned long)high_memory; addr += PAGE_SIZE) { if (!PageReserved(virt_to_page(addr))) @@ -494,11 +486,6 @@ set_phys_avail(unsigned long total_memory) initrd_end - initrd_start, 1); } #endif /* CONFIG_BLK_DEV_INITRD */ -#ifdef CONFIG_PPC_OF - /* remove the RTAS pages from the available memory */ - if (rtas_data) - mem_pieces_remove(&phys_avail, rtas_data, rtas_size, 1); -#endif } /* Mark some memory as reserved by removing it from phys_avail. */ diff --git a/arch/ppc/mm/mmu_context.c b/arch/ppc/mm/mmu_context.c index a8816e0f6a8..b4a4b3f02a1 100644 --- a/arch/ppc/mm/mmu_context.c +++ b/arch/ppc/mm/mmu_context.c @@ -2,7 +2,7 @@ * This file contains the routines for handling the MMU on those * PowerPC implementations where the MMU substantially follows the * architecture specification. This includes the 6xx, 7xx, 7xxx, - * 8260, and POWER3 implementations but excludes the 8xx and 4xx. + * 8260, and 83xx implementations but excludes the 8xx and 4xx. * -- paulus * * Derived from arch/ppc/mm/init.c: diff --git a/arch/ppc/mm/pgtable.c b/arch/ppc/mm/pgtable.c index 6ea9185fd12..706bca8eb14 100644 --- a/arch/ppc/mm/pgtable.c +++ b/arch/ppc/mm/pgtable.c @@ -39,7 +39,7 @@ unsigned long ioremap_base; unsigned long ioremap_bot; int io_bat_index; -#if defined(CONFIG_6xx) || defined(CONFIG_POWER3) +#if defined(CONFIG_6xx) #define HAVE_BATS 1 #endif @@ -368,7 +368,7 @@ void __init io_block_mapping(unsigned long virt, phys_addr_t phys, * the PTE pointer is unmodified if PTE is not found. */ int -get_pteptr(struct mm_struct *mm, unsigned long addr, pte_t **ptep) +get_pteptr(struct mm_struct *mm, unsigned long addr, pte_t **ptep, pmd_t **pmdp) { pgd_t *pgd; pmd_t *pmd; @@ -383,6 +383,8 @@ get_pteptr(struct mm_struct *mm, unsigned long addr, pte_t **ptep) if (pte) { retval = 1; *ptep = pte; + if (pmdp) + *pmdp = pmd; /* XXX caller needs to do pte_unmap, yuck */ } } @@ -420,7 +422,7 @@ unsigned long iopa(unsigned long addr) mm = &init_mm; pa = 0; - if (get_pteptr(mm, addr, &pte)) { + if (get_pteptr(mm, addr, &pte, NULL)) { pa = (pte_val(*pte) & PAGE_MASK) | (addr & ~PAGE_MASK); pte_unmap(pte); } diff --git a/arch/ppc/mm/ppc_mmu.c b/arch/ppc/mm/ppc_mmu.c index 9a381ed5eb2..25bb6f3347c 100644 --- a/arch/ppc/mm/ppc_mmu.c +++ b/arch/ppc/mm/ppc_mmu.c @@ -2,7 +2,7 @@ * This file contains the routines for handling the MMU on those * PowerPC implementations where the MMU substantially follows the * architecture specification. This includes the 6xx, 7xx, 7xxx, - * 8260, and POWER3 implementations but excludes the 8xx and 4xx. + * 8260, and 83xx implementations but excludes the 8xx and 4xx. * -- paulus * * Derived from arch/ppc/mm/init.c: @@ -42,11 +42,7 @@ unsigned long _SDR1; union ubat { /* BAT register values to be loaded */ BAT bat; -#ifdef CONFIG_PPC64BRIDGE - u64 word[2]; -#else u32 word[2]; -#endif } BATS[4][2]; /* 4 pairs of IBAT, DBAT */ struct batrange { /* stores address ranges mapped by BATs */ @@ -83,9 +79,6 @@ unsigned long p_mapped_by_bats(unsigned long pa) unsigned long __init mmu_mapin_ram(void) { -#ifdef CONFIG_POWER4 - return 0; -#else unsigned long tot, bl, done; unsigned long max_size = (256<<20); unsigned long align; @@ -122,7 +115,6 @@ unsigned long __init mmu_mapin_ram(void) } return done; -#endif } /* @@ -205,27 +197,10 @@ void __init MMU_init_hw(void) if ( ppc_md.progress ) ppc_md.progress("hash:enter", 0x105); -#ifdef CONFIG_PPC64BRIDGE -#define LG_HPTEG_SIZE 7 /* 128 bytes per HPTEG */ -#define SDR1_LOW_BITS (lg_n_hpteg - 11) -#define MIN_N_HPTEG 2048 /* min 256kB hash table */ -#else #define LG_HPTEG_SIZE 6 /* 64 bytes per HPTEG */ #define SDR1_LOW_BITS ((n_hpteg - 1) >> 10) #define MIN_N_HPTEG 1024 /* min 64kB hash table */ -#endif - -#ifdef CONFIG_POWER4 - /* The hash table has already been allocated and initialized - in prom.c */ - n_hpteg = Hash_size >> LG_HPTEG_SIZE; - lg_n_hpteg = __ilog2(n_hpteg); - - /* Remove the hash table from the available memory */ - if (Hash) - reserve_phys_mem(__pa(Hash), Hash_size); -#else /* CONFIG_POWER4 */ /* * Allow 1 HPTE (1/8 HPTEG) for each page of memory. * This is less than the recommended amount, but then @@ -248,7 +223,6 @@ void __init MMU_init_hw(void) Hash = mem_pieces_find(Hash_size, Hash_size); cacheable_memzero(Hash, Hash_size); _SDR1 = __pa(Hash) | SDR1_LOW_BITS; -#endif /* CONFIG_POWER4 */ Hash_end = (PTE *) ((unsigned long)Hash + Hash_size); diff --git a/arch/ppc/platforms/Makefile b/arch/ppc/platforms/Makefile index e8b91a33ce9..90c62229442 100644 --- a/arch/ppc/platforms/Makefile +++ b/arch/ppc/platforms/Makefile @@ -2,18 +2,10 @@ # Makefile for the linux kernel. # -# Extra CFLAGS so we don't have to do relative includes -CFLAGS_chrp_setup.o += -Iarch/$(ARCH)/mm - obj-$(CONFIG_APUS) += apus_setup.o ifeq ($(CONFIG_APUS),y) obj-$(CONFIG_PCI) += apus_pci.o endif -obj-$(CONFIG_PPC_CHRP) += chrp_setup.o chrp_time.o chrp_pci.o \ - chrp_pegasos_eth.o -ifeq ($(CONFIG_PPC_CHRP),y) -obj-$(CONFIG_NVRAM) += chrp_nvram.o -endif obj-$(CONFIG_PPC_PREP) += prep_pci.o prep_setup.o obj-$(CONFIG_PREP_RESIDUAL) += residual.o obj-$(CONFIG_PQ2ADS) += pq2ads.o @@ -40,7 +32,3 @@ obj-$(CONFIG_EV64360) += ev64360.o obj-$(CONFIG_MPC86XADS) += mpc866ads_setup.o obj-$(CONFIG_MPC885ADS) += mpc885ads_setup.o obj-$(CONFIG_ADS8272) += mpc8272ads_setup.o - -ifeq ($(CONFIG_SMP),y) -obj-$(CONFIG_PPC_CHRP) += chrp_smp.o -endif diff --git a/arch/ppc/platforms/chrp_nvram.c b/arch/ppc/platforms/chrp_nvram.c deleted file mode 100644 index 465ba9b090e..00000000000 --- a/arch/ppc/platforms/chrp_nvram.c +++ /dev/null @@ -1,83 +0,0 @@ -/* - * c 2001 PPC 64 Team, IBM Corp - * - * 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. - * - * /dev/nvram driver for PPC - * - */ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/slab.h> -#include <linux/spinlock.h> -#include <asm/uaccess.h> -#include <asm/prom.h> -#include <asm/machdep.h> - -static unsigned int nvram_size; -static unsigned char nvram_buf[4]; -static DEFINE_SPINLOCK(nvram_lock); - -static unsigned char chrp_nvram_read(int addr) -{ - unsigned long done, flags; - unsigned char ret; - - if (addr >= nvram_size) { - printk(KERN_DEBUG "%s: read addr %d > nvram_size %u\n", - current->comm, addr, nvram_size); - return 0xff; - } - spin_lock_irqsave(&nvram_lock, flags); - if ((call_rtas("nvram-fetch", 3, 2, &done, addr, __pa(nvram_buf), 1) != 0) || 1 != done) - ret = 0xff; - else - ret = nvram_buf[0]; - spin_unlock_irqrestore(&nvram_lock, flags); - - return ret; -} - -static void chrp_nvram_write(int addr, unsigned char val) -{ - unsigned long done, flags; - - if (addr >= nvram_size) { - printk(KERN_DEBUG "%s: write addr %d > nvram_size %u\n", - current->comm, addr, nvram_size); - return; - } - spin_lock_irqsave(&nvram_lock, flags); - nvram_buf[0] = val; - if ((call_rtas("nvram-store", 3, 2, &done, addr, __pa(nvram_buf), 1) != 0) || 1 != done) - printk(KERN_DEBUG "rtas IO error storing 0x%02x at %d", val, addr); - spin_unlock_irqrestore(&nvram_lock, flags); -} - -void __init chrp_nvram_init(void) -{ - struct device_node *nvram; - unsigned int *nbytes_p, proplen; - - nvram = of_find_node_by_type(NULL, "nvram"); - if (nvram == NULL) - return; - - nbytes_p = (unsigned int *)get_property(nvram, "#bytes", &proplen); - if (nbytes_p == NULL || proplen != sizeof(unsigned int)) - return; - - nvram_size = *nbytes_p; - - printk(KERN_INFO "CHRP nvram contains %u bytes\n", nvram_size); - of_node_put(nvram); - - ppc_md.nvram_read_val = chrp_nvram_read; - ppc_md.nvram_write_val = chrp_nvram_write; - - return; -} diff --git a/arch/ppc/platforms/chrp_pci.c b/arch/ppc/platforms/chrp_pci.c deleted file mode 100644 index c7fe6182bb7..00000000000 --- a/arch/ppc/platforms/chrp_pci.c +++ /dev/null @@ -1,309 +0,0 @@ -/* - * CHRP pci routines. - */ - -#include <linux/config.h> -#include <linux/kernel.h> -#include <linux/pci.h> -#include <linux/delay.h> -#include <linux/string.h> -#include <linux/init.h> -#include <linux/ide.h> - -#include <asm/io.h> -#include <asm/pgtable.h> -#include <asm/irq.h> -#include <asm/hydra.h> -#include <asm/prom.h> -#include <asm/gg2.h> -#include <asm/machdep.h> -#include <asm/sections.h> -#include <asm/pci-bridge.h> -#include <asm/open_pic.h> - -/* LongTrail */ -void __iomem *gg2_pci_config_base; - -/* - * The VLSI Golden Gate II has only 512K of PCI configuration space, so we - * limit the bus number to 3 bits - */ - -int gg2_read_config(struct pci_bus *bus, unsigned int devfn, int off, - int len, u32 *val) -{ - volatile void __iomem *cfg_data; - struct pci_controller *hose = bus->sysdata; - - if (bus->number > 7) - return PCIBIOS_DEVICE_NOT_FOUND; - /* - * Note: the caller has already checked that off is - * suitably aligned and that len is 1, 2 or 4. - */ - cfg_data = hose->cfg_data + ((bus->number<<16) | (devfn<<8) | off); - switch (len) { - case 1: - *val = in_8(cfg_data); - break; - case 2: - *val = in_le16(cfg_data); - break; - default: - *val = in_le32(cfg_data); - break; - } - return PCIBIOS_SUCCESSFUL; -} - -int gg2_write_config(struct pci_bus *bus, unsigned int devfn, int off, - int len, u32 val) -{ - volatile void __iomem *cfg_data; - struct pci_controller *hose = bus->sysdata; - - if (bus->number > 7) - return PCIBIOS_DEVICE_NOT_FOUND; - /* - * Note: the caller has already checked that off is - * suitably aligned and that len is 1, 2 or 4. - */ - cfg_data = hose->cfg_data + ((bus->number<<16) | (devfn<<8) | off); - switch (len) { - case 1: - out_8(cfg_data, val); - break; - case 2: - out_le16(cfg_data, val); - break; - default: - out_le32(cfg_data, val); - break; - } - return PCIBIOS_SUCCESSFUL; -} - -static struct pci_ops gg2_pci_ops = -{ - gg2_read_config, - gg2_write_config -}; - -/* - * Access functions for PCI config space using RTAS calls. - */ -int -rtas_read_config(struct pci_bus *bus, unsigned int devfn, int offset, - int len, u32 *val) -{ - struct pci_controller *hose = bus->sysdata; - unsigned long addr = (offset & 0xff) | ((devfn & 0xff) << 8) - | (((bus->number - hose->first_busno) & 0xff) << 16) - | (hose->index << 24); - unsigned long ret = ~0UL; - int rval; - - rval = call_rtas("read-pci-config", 2, 2, &ret, addr, len); - *val = ret; - return rval? PCIBIOS_DEVICE_NOT_FOUND: PCIBIOS_SUCCESSFUL; -} - -int -rtas_write_config(struct pci_bus *bus, unsigned int devfn, int offset, - int len, u32 val) -{ - struct pci_controller *hose = bus->sysdata; - unsigned long addr = (offset & 0xff) | ((devfn & 0xff) << 8) - | (((bus->number - hose->first_busno) & 0xff) << 16) - | (hose->index << 24); - int rval; - - rval = call_rtas("write-pci-config", 3, 1, NULL, addr, len, val); - return rval? PCIBIOS_DEVICE_NOT_FOUND: PCIBIOS_SUCCESSFUL; -} - -static struct pci_ops rtas_pci_ops = -{ - rtas_read_config, - rtas_write_config -}; - -volatile struct Hydra __iomem *Hydra = NULL; - -int __init -hydra_init(void) -{ - struct device_node *np; - - np = find_devices("mac-io"); - if (np == NULL || np->n_addrs == 0) - return 0; - Hydra = ioremap(np->addrs[0].address, np->addrs[0].size); - printk("Hydra Mac I/O at %x\n", np->addrs[0].address); - printk("Hydra Feature_Control was %x", - in_le32(&Hydra->Feature_Control)); - out_le32(&Hydra->Feature_Control, (HYDRA_FC_SCC_CELL_EN | - HYDRA_FC_SCSI_CELL_EN | - HYDRA_FC_SCCA_ENABLE | - HYDRA_FC_SCCB_ENABLE | - HYDRA_FC_ARB_BYPASS | - HYDRA_FC_MPIC_ENABLE | - HYDRA_FC_SLOW_SCC_PCLK | - HYDRA_FC_MPIC_IS_MASTER)); - printk(", now %x\n", in_le32(&Hydra->Feature_Control)); - return 1; -} - -void __init -chrp_pcibios_fixup(void) -{ - struct pci_dev *dev = NULL; - struct device_node *np; - - /* PCI interrupts are controlled by the OpenPIC */ - for_each_pci_dev(dev) { - np = pci_device_to_OF_node(dev); - if ((np != 0) && (np->n_intrs > 0) && (np->intrs[0].line != 0)) - dev->irq = np->intrs[0].line; - pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq); - } -} - -#define PRG_CL_RESET_VALID 0x00010000 - -static void __init -setup_python(struct pci_controller *hose, struct device_node *dev) -{ - u32 __iomem *reg; - u32 val; - unsigned long addr = dev->addrs[0].address; - - setup_indirect_pci(hose, addr + 0xf8000, addr + 0xf8010); - - /* Clear the magic go-slow bit */ - reg = ioremap(dev->addrs[0].address + 0xf6000, 0x40); - val = in_be32(®[12]); - if (val & PRG_CL_RESET_VALID) { - out_be32(®[12], val & ~PRG_CL_RESET_VALID); - in_be32(®[12]); - } - iounmap(reg); -} - -/* Marvell Discovery II based Pegasos 2 */ -static void __init setup_peg2(struct pci_controller *hose, struct device_node *dev) -{ - struct device_node *root = find_path_device("/"); - struct device_node *rtas; - - rtas = of_find_node_by_name (root, "rtas"); - if (rtas) { - hose->ops = &rtas_pci_ops; - } else { - printk ("RTAS supporting Pegasos OF not found, please upgrade" - " your firmware\n"); - } - pci_assign_all_buses = 1; -} - -void __init -chrp_find_bridges(void) -{ - struct device_node *dev; - int *bus_range; - int len, index = -1; - struct pci_controller *hose; - unsigned int *dma; - char *model, *machine; - int is_longtrail = 0, is_mot = 0, is_pegasos = 0; - struct device_node *root = find_path_device("/"); - - /* - * The PCI host bridge nodes on some machines don't have - * properties to adequately identify them, so we have to - * look at what sort of machine this is as well. - */ - machine = get_property(root, "model", NULL); - if (machine != NULL) { - is_longtrail = strncmp(machine, "IBM,LongTrail", 13) == 0; - is_mot = strncmp(machine, "MOT", 3) == 0; - if (strncmp(machine, "Pegasos2", 8) == 0) - is_pegasos = 2; - else if (strncmp(machine, "Pegasos", 7) == 0) - is_pegasos = 1; - } - for (dev = root->child; dev != NULL; dev = dev->sibling) { - if (dev->type == NULL || strcmp(dev->type, "pci") != 0) - continue; - ++index; - /* The GG2 bridge on the LongTrail doesn't have an address */ - if (dev->n_addrs < 1 && !is_longtrail) { - printk(KERN_WARNING "Can't use %s: no address\n", - dev->full_name); - continue; - } - bus_range = (int *) get_property(dev, "bus-range", &len); - if (bus_range == NULL || len < 2 * sizeof(int)) { - printk(KERN_WARNING "Can't get bus-range for %s\n", - dev->full_name); - continue; - } - if (bus_range[1] == bus_range[0]) - printk(KERN_INFO "PCI bus %d", bus_range[0]); - else - printk(KERN_INFO "PCI buses %d..%d", - bus_range[0], bus_range[1]); - printk(" controlled by %s", dev->type); - if (dev->n_addrs > 0) - printk(" at %x", dev->addrs[0].address); - printk("\n"); - - hose = pcibios_alloc_controller(); - if (!hose) { - printk("Can't allocate PCI controller structure for %s\n", - dev->full_name); - continue; - } - hose->arch_data = dev; - hose->first_busno = bus_range[0]; - hose->last_busno = bus_range[1]; - - model = get_property(dev, "model", NULL); - if (model == NULL) - model = "<none>"; - if (device_is_compatible(dev, "IBM,python")) { - setup_python(hose, dev); - } else if (is_mot - || strncmp(model, "Motorola, Grackle", 17) == 0) { - setup_indirect_pci(hose, 0xfec00000, 0xfee00000); - } else if (is_longtrail) { - void __iomem *p = ioremap(GG2_PCI_CONFIG_BASE, 0x80000); - hose->ops = &gg2_pci_ops; - hose->cfg_data = p; - gg2_pci_config_base = p; - } else if (is_pegasos == 1) { - setup_indirect_pci(hose, 0xfec00cf8, 0xfee00cfc); - } else if (is_pegasos == 2) { - setup_peg2(hose, dev); - } else { - printk("No methods for %s (model %s), using RTAS\n", - dev->full_name, model); - hose->ops = &rtas_pci_ops; - } - - pci_process_bridge_OF_ranges(hose, dev, index == 0); - - /* check the first bridge for a property that we can - use to set pci_dram_offset */ - dma = (unsigned int *) - get_property(dev, "ibm,dma-ranges", &len); - if (index == 0 && dma != NULL && len >= 6 * sizeof(*dma)) { - pci_dram_offset = dma[2] - dma[3]; - printk("pci_dram_offset = %lx\n", pci_dram_offset); - } - } - - /* Do not fixup interrupts from OF tree on pegasos */ - if (is_pegasos == 0) - ppc_md.pcibios_fixup = chrp_pcibios_fixup; -} diff --git a/arch/ppc/platforms/chrp_pegasos_eth.c b/arch/ppc/platforms/chrp_pegasos_eth.c deleted file mode 100644 index 9305c8aa137..00000000000 --- a/arch/ppc/platforms/chrp_pegasos_eth.c +++ /dev/null @@ -1,211 +0,0 @@ -/* - * Copyright (C) 2005 Sven Luther <sl@bplan-gmbh.de> - * Thanks to : - * Dale Farnsworth <dale@farnsworth.org> - * Mark A. Greer <mgreer@mvista.com> - * Nicolas DET <nd@bplan-gmbh.de> - * Benjamin Herrenschmidt <benh@kernel.crashing.org> - * And anyone else who helped me on this. - */ - -#include <linux/types.h> -#include <linux/init.h> -#include <linux/ioport.h> -#include <linux/platform_device.h> -#include <linux/mv643xx.h> -#include <linux/pci.h> - -#define PEGASOS2_MARVELL_REGBASE (0xf1000000) -#define PEGASOS2_MARVELL_REGSIZE (0x00004000) -#define PEGASOS2_SRAM_BASE (0xf2000000) -#define PEGASOS2_SRAM_SIZE (256*1024) - -#define PEGASOS2_SRAM_BASE_ETH0 (PEGASOS2_SRAM_BASE) -#define PEGASOS2_SRAM_BASE_ETH1 (PEGASOS2_SRAM_BASE_ETH0 + (PEGASOS2_SRAM_SIZE / 2) ) - - -#define PEGASOS2_SRAM_RXRING_SIZE (PEGASOS2_SRAM_SIZE/4) -#define PEGASOS2_SRAM_TXRING_SIZE (PEGASOS2_SRAM_SIZE/4) - -#undef BE_VERBOSE - -static struct resource mv643xx_eth_shared_resources[] = { - [0] = { - .name = "ethernet shared base", - .start = 0xf1000000 + MV643XX_ETH_SHARED_REGS, - .end = 0xf1000000 + MV643XX_ETH_SHARED_REGS + - MV643XX_ETH_SHARED_REGS_SIZE - 1, - .flags = IORESOURCE_MEM, - }, -}; - -static struct platform_device mv643xx_eth_shared_device = { - .name = MV643XX_ETH_SHARED_NAME, - .id = 0, - .num_resources = ARRAY_SIZE(mv643xx_eth_shared_resources), - .resource = mv643xx_eth_shared_resources, -}; - -static struct resource mv643xx_eth0_resources[] = { - [0] = { - .name = "eth0 irq", - .start = 9, - .end = 9, - .flags = IORESOURCE_IRQ, - }, -}; - - -static struct mv643xx_eth_platform_data eth0_pd = { - .tx_sram_addr = PEGASOS2_SRAM_BASE_ETH0, - .tx_sram_size = PEGASOS2_SRAM_TXRING_SIZE, - .tx_queue_size = PEGASOS2_SRAM_TXRING_SIZE/16, - - .rx_sram_addr = PEGASOS2_SRAM_BASE_ETH0 + PEGASOS2_SRAM_TXRING_SIZE, - .rx_sram_size = PEGASOS2_SRAM_RXRING_SIZE, - .rx_queue_size = PEGASOS2_SRAM_RXRING_SIZE/16, -}; - -static struct platform_device eth0_device = { - .name = MV643XX_ETH_NAME, - .id = 0, - .num_resources = ARRAY_SIZE(mv643xx_eth0_resources), - .resource = mv643xx_eth0_resources, - .dev = { - .platform_data = ð0_pd, - }, -}; - -static struct resource mv643xx_eth1_resources[] = { - [0] = { - .name = "eth1 irq", - .start = 9, - .end = 9, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct mv643xx_eth_platform_data eth1_pd = { - .tx_sram_addr = PEGASOS2_SRAM_BASE_ETH1, - .tx_sram_size = PEGASOS2_SRAM_TXRING_SIZE, - .tx_queue_size = PEGASOS2_SRAM_TXRING_SIZE/16, - - .rx_sram_addr = PEGASOS2_SRAM_BASE_ETH1 + PEGASOS2_SRAM_TXRING_SIZE, - .rx_sram_size = PEGASOS2_SRAM_RXRING_SIZE, - .rx_queue_size = PEGASOS2_SRAM_RXRING_SIZE/16, -}; - -static struct platform_device eth1_device = { - .name = MV643XX_ETH_NAME, - .id = 1, - .num_resources = ARRAY_SIZE(mv643xx_eth1_resources), - .resource = mv643xx_eth1_resources, - .dev = { - .platform_data = ð1_pd, - }, -}; - -static struct platform_device *mv643xx_eth_pd_devs[] __initdata = { - &mv643xx_eth_shared_device, - ð0_device, - ð1_device, -}; - -/***********/ -/***********/ -#define MV_READ(offset,val) { val = readl(mv643xx_reg_base + offset); } -#define MV_WRITE(offset,data) writel(data, mv643xx_reg_base + offset) - -static void __iomem *mv643xx_reg_base; - -static int Enable_SRAM(void) -{ - u32 ALong; - - if (mv643xx_reg_base == NULL) - mv643xx_reg_base = ioremap(PEGASOS2_MARVELL_REGBASE, - PEGASOS2_MARVELL_REGSIZE); - - if (mv643xx_reg_base == NULL) - return -ENOMEM; - -#ifdef BE_VERBOSE - printk("Pegasos II/Marvell MV64361: register remapped from %p to %p\n", - (void *)PEGASOS2_MARVELL_REGBASE, (void *)mv643xx_reg_base); -#endif - - MV_WRITE(MV64340_SRAM_CONFIG, 0); - - MV_WRITE(MV64340_INTEGRATED_SRAM_BASE_ADDR, PEGASOS2_SRAM_BASE >> 16); - - MV_READ(MV64340_BASE_ADDR_ENABLE, ALong); - ALong &= ~(1 << 19); - MV_WRITE(MV64340_BASE_ADDR_ENABLE, ALong); - - ALong = 0x02; - ALong |= PEGASOS2_SRAM_BASE & 0xffff0000; - MV_WRITE(MV643XX_ETH_BAR_4, ALong); - - MV_WRITE(MV643XX_ETH_SIZE_REG_4, (PEGASOS2_SRAM_SIZE-1) & 0xffff0000); - - MV_READ(MV643XX_ETH_BASE_ADDR_ENABLE_REG, ALong); - ALong &= ~(1 << 4); - MV_WRITE(MV643XX_ETH_BASE_ADDR_ENABLE_REG, ALong); - -#ifdef BE_VERBOSE - printk("Pegasos II/Marvell MV64361: register unmapped\n"); - printk("Pegasos II/Marvell MV64361: SRAM at %p, size=%x\n", (void*) PEGASOS2_SRAM_BASE, PEGASOS2_SRAM_SIZE); -#endif - - iounmap(mv643xx_reg_base); - mv643xx_reg_base = NULL; - - return 1; -} - - -/***********/ -/***********/ -int mv643xx_eth_add_pds(void) -{ - int ret = 0; - static struct pci_device_id pci_marvell_mv64360[] = { - { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, PCI_DEVICE_ID_MARVELL_MV64360) }, - { } - }; - -#ifdef BE_VERBOSE - printk("Pegasos II/Marvell MV64361: init\n"); -#endif - - if (pci_dev_present(pci_marvell_mv64360)) { - ret = platform_add_devices(mv643xx_eth_pd_devs, - ARRAY_SIZE(mv643xx_eth_pd_devs)); - - if ( Enable_SRAM() < 0) - { - eth0_pd.tx_sram_addr = 0; - eth0_pd.tx_sram_size = 0; - eth0_pd.rx_sram_addr = 0; - eth0_pd.rx_sram_size = 0; - - eth1_pd.tx_sram_addr = 0; - eth1_pd.tx_sram_size = 0; - eth1_pd.rx_sram_addr = 0; - eth1_pd.rx_sram_size = 0; - -#ifdef BE_VERBOSE - printk("Pegasos II/Marvell MV64361: Can't enable the " - "SRAM\n"); -#endif - } - } - -#ifdef BE_VERBOSE - printk("Pegasos II/Marvell MV64361: init is over\n"); -#endif - - return ret; -} - -device_initcall(mv643xx_eth_add_pds); diff --git a/arch/ppc/platforms/chrp_setup.c b/arch/ppc/platforms/chrp_setup.c deleted file mode 100644 index f9fd3f4f8e2..00000000000 --- a/arch/ppc/platforms/chrp_setup.c +++ /dev/null @@ -1,669 +0,0 @@ -/* - * Copyright (C) 1995 Linus Torvalds - * Adapted from 'alpha' version by Gary Thomas - * Modified by Cort Dougan (cort@cs.nmt.edu) - */ - -/* - * bootup setup stuff.. - */ - -#include <linux/config.h> -#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/a.out.h> -#include <linux/tty.h> -#include <linux/major.h> -#include <linux/interrupt.h> -#include <linux/reboot.h> -#include <linux/init.h> -#include <linux/pci.h> -#include <linux/version.h> -#include <linux/adb.h> -#include <linux/module.h> -#include <linux/delay.h> -#include <linux/ide.h> -#include <linux/console.h> -#include <linux/seq_file.h> -#include <linux/root_dev.h> -#include <linux/initrd.h> -#include <linux/module.h> - -#include <asm/io.h> -#include <asm/pgtable.h> -#include <asm/prom.h> -#include <asm/gg2.h> -#include <asm/pci-bridge.h> -#include <asm/dma.h> -#include <asm/machdep.h> -#include <asm/irq.h> -#include <asm/hydra.h> -#include <asm/sections.h> -#include <asm/time.h> -#include <asm/btext.h> -#include <asm/i8259.h> -#include <asm/open_pic.h> -#include <asm/xmon.h> -#include "mem_pieces.h" - -unsigned long chrp_get_rtc_time(void); -int chrp_set_rtc_time(unsigned long nowtime); -void chrp_calibrate_decr(void); -long chrp_time_init(void); - -void chrp_find_bridges(void); -void chrp_event_scan(void); -void rtas_display_progress(char *, unsigned short); -void rtas_indicator_progress(char *, unsigned short); -void btext_progress(char *, unsigned short); - -extern int of_show_percpuinfo(struct seq_file *, int); - -int _chrp_type; -EXPORT_SYMBOL(_chrp_type); - -/* - * XXX this should be in xmon.h, but putting it there means xmon.h - * has to include <linux/interrupt.h> (to get irqreturn_t), which - * causes all sorts of problems. -- paulus - */ -extern irqreturn_t xmon_irq(int, void *, struct pt_regs *); - -extern dev_t boot_dev; - -extern PTE *Hash, *Hash_end; -extern unsigned long Hash_size, Hash_mask; -extern int probingmem; -extern unsigned long loops_per_jiffy; -static int max_width; - -#ifdef CONFIG_SMP -extern struct smp_ops_t chrp_smp_ops; -#endif - -static const char *gg2_memtypes[4] = { - "FPM", "SDRAM", "EDO", "BEDO" -}; -static const char *gg2_cachesizes[4] = { - "256 KB", "512 KB", "1 MB", "Reserved" -}; -static const char *gg2_cachetypes[4] = { - "Asynchronous", "Reserved", "Flow-Through Synchronous", - "Pipelined Synchronous" -}; -static const char *gg2_cachemodes[4] = { - "Disabled", "Write-Through", "Copy-Back", "Transparent Mode" -}; - -int -chrp_show_cpuinfo(struct seq_file *m) -{ - int i, sdramen; - unsigned int t; - struct device_node *root; - const char *model = ""; - - root = find_path_device("/"); - if (root) - model = get_property(root, "model", NULL); - seq_printf(m, "machine\t\t: CHRP %s\n", model); - - /* longtrail (goldengate) stuff */ - if (!strncmp(model, "IBM,LongTrail", 13)) { - /* VLSI VAS96011/12 `Golden Gate 2' */ - /* Memory banks */ - sdramen = (in_le32(gg2_pci_config_base + GG2_PCI_DRAM_CTRL) - >>31) & 1; - for (i = 0; i < (sdramen ? 4 : 6); i++) { - t = in_le32(gg2_pci_config_base+ - GG2_PCI_DRAM_BANK0+ - i*4); - if (!(t & 1)) - continue; - switch ((t>>8) & 0x1f) { - case 0x1f: - model = "4 MB"; - break; - case 0x1e: - model = "8 MB"; - break; - case 0x1c: - model = "16 MB"; - break; - case 0x18: - model = "32 MB"; - break; - case 0x10: - model = "64 MB"; - break; - case 0x00: - model = "128 MB"; - break; - default: - model = "Reserved"; - break; - } - seq_printf(m, "memory bank %d\t: %s %s\n", i, model, - gg2_memtypes[sdramen ? 1 : ((t>>1) & 3)]); - } - /* L2 cache */ - t = in_le32(gg2_pci_config_base+GG2_PCI_CC_CTRL); - seq_printf(m, "board l2\t: %s %s (%s)\n", - gg2_cachesizes[(t>>7) & 3], - gg2_cachetypes[(t>>2) & 3], - gg2_cachemodes[t & 3]); - } - return 0; -} - -/* - * Fixes for the National Semiconductor PC78308VUL SuperI/O - * - * Some versions of Open Firmware incorrectly initialize the IRQ settings - * for keyboard and mouse - */ -static inline void __init sio_write(u8 val, u8 index) -{ - outb(index, 0x15c); - outb(val, 0x15d); -} - -static inline u8 __init sio_read(u8 index) -{ - outb(index, 0x15c); - return inb(0x15d); -} - -static void __init sio_fixup_irq(const char *name, u8 device, u8 level, - u8 type) -{ - u8 level0, type0, active; - - /* select logical device */ - sio_write(device, 0x07); - active = sio_read(0x30); - level0 = sio_read(0x70); - type0 = sio_read(0x71); - if (level0 != level || type0 != type || !active) { - printk(KERN_WARNING "sio: %s irq level %d, type %d, %sactive: " - "remapping to level %d, type %d, active\n", - name, level0, type0, !active ? "in" : "", level, type); - sio_write(0x01, 0x30); - sio_write(level, 0x70); - sio_write(type, 0x71); - } -} - -static void __init sio_init(void) -{ - struct device_node *root; - - if ((root = find_path_device("/")) && - !strncmp(get_property(root, "model", NULL), "IBM,LongTrail", 13)) { - /* logical device 0 (KBC/Keyboard) */ - sio_fixup_irq("keyboard", 0, 1, 2); - /* select logical device 1 (KBC/Mouse) */ - sio_fixup_irq("mouse", 1, 12, 2); - } -} - - -static void __init pegasos_set_l2cr(void) -{ - struct device_node *np; - - /* On Pegasos, enable the l2 cache if needed, as the OF forgets it */ - if (_chrp_type != _CHRP_Pegasos) - return; - - /* Enable L2 cache if needed */ - np = find_type_devices("cpu"); - if (np != NULL) { - unsigned int *l2cr = (unsigned int *) - get_property (np, "l2cr", NULL); - if (l2cr == NULL) { - printk ("Pegasos l2cr : no cpu l2cr property found\n"); - return; - } - if (!((*l2cr) & 0x80000000)) { - printk ("Pegasos l2cr : L2 cache was not active, " - "activating\n"); - _set_L2CR(0); - _set_L2CR((*l2cr) | 0x80000000); - } - } -} - -void __init chrp_setup_arch(void) -{ - struct device_node *device; - - /* init to some ~sane value until calibrate_delay() runs */ - loops_per_jiffy = 50000000/HZ; - -#ifdef CONFIG_BLK_DEV_INITRD - /* this is fine for chrp */ - initrd_below_start_ok = 1; - - if (initrd_start) - ROOT_DEV = Root_RAM0; - else -#endif - ROOT_DEV = Root_SDA2; /* sda2 (sda1 is for the kernel) */ - - /* On pegasos, enable the L2 cache if not already done by OF */ - pegasos_set_l2cr(); - - /* Lookup PCI host bridges */ - chrp_find_bridges(); - -#ifndef CONFIG_PPC64BRIDGE - /* - * Temporary fixes for PCI devices. - * -- Geert - */ - hydra_init(); /* Mac I/O */ - -#endif /* CONFIG_PPC64BRIDGE */ - - /* - * Fix the Super I/O configuration - */ - sio_init(); - - /* Get the event scan rate for the rtas so we know how - * often it expects a heartbeat. -- Cort - */ - if ( rtas_data ) { - struct property *p; - device = find_devices("rtas"); - for ( p = device->properties; - p && strncmp(p->name, "rtas-event-scan-rate", 20); - p = p->next ) - /* nothing */ ; - if ( p && *(unsigned long *)p->value ) { - ppc_md.heartbeat = chrp_event_scan; - ppc_md.heartbeat_reset = (HZ/(*(unsigned long *)p->value)*30)-1; - ppc_md.heartbeat_count = 1; - printk("RTAS Event Scan Rate: %lu (%lu jiffies)\n", - *(unsigned long *)p->value, ppc_md.heartbeat_reset ); - } - } - - pci_create_OF_bus_map(); -} - -void -chrp_event_scan(void) -{ - unsigned char log[1024]; - unsigned long ret = 0; - /* XXX: we should loop until the hardware says no more error logs -- Cort */ - call_rtas( "event-scan", 4, 1, &ret, 0xffffffff, 0, - __pa(log), 1024 ); - ppc_md.heartbeat_count = ppc_md.heartbeat_reset; -} - -void -chrp_restart(char *cmd) -{ - printk("RTAS system-reboot returned %d\n", - call_rtas("system-reboot", 0, 1, NULL)); - for (;;); -} - -void -chrp_power_off(void) -{ - /* allow power on only with power button press */ - printk("RTAS power-off returned %d\n", - call_rtas("power-off", 2, 1, NULL,0xffffffff,0xffffffff)); - for (;;); -} - -void -chrp_halt(void) -{ - chrp_power_off(); -} - -/* - * Finds the open-pic node and sets OpenPIC_Addr based on its reg property. - * Then checks if it has an interrupt-ranges property. If it does then - * we have a distributed open-pic, so call openpic_set_sources to tell - * the openpic code where to find the interrupt source registers. - */ -static void __init chrp_find_openpic(void) -{ - struct device_node *np; - int len, i; - unsigned int *iranges; - void __iomem *isu; - - np = find_type_devices("open-pic"); - if (np == NULL || np->n_addrs == 0) - return; - printk(KERN_INFO "OpenPIC at %x (size %x)\n", - np->addrs[0].address, np->addrs[0].size); - OpenPIC_Addr = ioremap(np->addrs[0].address, 0x40000); - if (OpenPIC_Addr == NULL) { - printk(KERN_ERR "Failed to map OpenPIC!\n"); - return; - } - - iranges = (unsigned int *) get_property(np, "interrupt-ranges", &len); - if (iranges == NULL || len < 2 * sizeof(unsigned int)) - return; /* not distributed */ - - /* - * The first pair of cells in interrupt-ranges refers to the - * IDU; subsequent pairs refer to the ISUs. - */ - len /= 2 * sizeof(unsigned int); - if (np->n_addrs < len) { - printk(KERN_ERR "Insufficient addresses for distributed" - " OpenPIC (%d < %d)\n", np->n_addrs, len); - return; - } - if (iranges[1] != 0) { - printk(KERN_INFO "OpenPIC irqs %d..%d in IDU\n", - iranges[0], iranges[0] + iranges[1] - 1); - openpic_set_sources(iranges[0], iranges[1], NULL); - } - for (i = 1; i < len; ++i) { - iranges += 2; - printk(KERN_INFO "OpenPIC irqs %d..%d in ISU at %x (%x)\n", - iranges[0], iranges[0] + iranges[1] - 1, - np->addrs[i].address, np->addrs[i].size); - isu = ioremap(np->addrs[i].address, np->addrs[i].size); - if (isu != NULL) - openpic_set_sources(iranges[0], iranges[1], isu); - else - printk(KERN_ERR "Failed to map OpenPIC ISU at %x!\n", - np->addrs[i].address); - } -} - -#if defined(CONFIG_VT) && defined(CONFIG_INPUT_ADBHID) && defined(XMON) -static struct irqaction xmon_irqaction = { - .handler = xmon_irq, - .mask = CPU_MASK_NONE, - .name = "XMON break", -}; -#endif - -void __init chrp_init_IRQ(void) -{ - struct device_node *np; - unsigned long chrp_int_ack = 0; - unsigned char init_senses[NR_IRQS - NUM_8259_INTERRUPTS]; -#if defined(CONFIG_VT) && defined(CONFIG_INPUT_ADBHID) && defined(XMON) - struct device_node *kbd; -#endif - - for (np = find_devices("pci"); np != NULL; np = np->next) { - unsigned int *addrp = (unsigned int *) - get_property(np, "8259-interrupt-acknowledge", NULL); - - if (addrp == NULL) - continue; - chrp_int_ack = addrp[prom_n_addr_cells(np)-1]; - break; - } - if (np == NULL) - printk(KERN_ERR "Cannot find PCI interrupt acknowledge address\n"); - - chrp_find_openpic(); - - if (OpenPIC_Addr) { - prom_get_irq_senses(init_senses, NUM_8259_INTERRUPTS, NR_IRQS); - OpenPIC_InitSenses = init_senses; - OpenPIC_NumInitSenses = NR_IRQS - NUM_8259_INTERRUPTS; - - openpic_init(NUM_8259_INTERRUPTS); - /* We have a cascade on OpenPIC IRQ 0, Linux IRQ 16 */ - openpic_hookup_cascade(NUM_8259_INTERRUPTS, "82c59 cascade", - i8259_irq); - - } - i8259_init(chrp_int_ack, 0); - -#if defined(CONFIG_VT) && defined(CONFIG_INPUT_ADBHID) && defined(XMON) - /* see if there is a keyboard in the device tree - with a parent of type "adb" */ - for (kbd = find_devices("keyboard"); kbd; kbd = kbd->next) - if (kbd->parent && kbd->parent->type - && strcmp(kbd->parent->type, "adb") == 0) - break; - if (kbd) - setup_irq(HYDRA_INT_ADB_NMI, &xmon_irqaction); -#endif -} - -void __init -chrp_init2(void) -{ -#ifdef CONFIG_NVRAM - chrp_nvram_init(); -#endif - - request_region(0x20,0x20,"pic1"); - request_region(0xa0,0x20,"pic2"); - request_region(0x00,0x20,"dma1"); - request_region(0x40,0x20,"timer"); - request_region(0x80,0x10,"dma page reg"); - request_region(0xc0,0x20,"dma2"); - - if (ppc_md.progress) - ppc_md.progress(" Have fun! ", 0x7777); -} - -static struct device_node *memory_node; - -static int __init get_mem_prop(char *name, struct mem_pieces *mp) -{ - struct reg_property *rp; - int i, s; - unsigned int *ip; - int nac = prom_n_addr_cells(memory_node); - int nsc = prom_n_size_cells(memory_node); - - ip = (unsigned int *) get_property(memory_node, name, &s); - if (ip == NULL) { - printk(KERN_ERR "error: couldn't get %s property on /memory\n", - name); - return 0; - } - s /= (nsc + nac) * 4; - rp = mp->regions; - for (i = 0; i < s; ++i, ip += nac+nsc) { - if (nac >= 2 && ip[nac-2] != 0) - continue; - rp->address = ip[nac-1]; - if (nsc >= 2 && ip[nac+nsc-2] != 0) - rp->size = ~0U; - else - rp->size = ip[nac+nsc-1]; - ++rp; - } - mp->n_regions = rp - mp->regions; - - /* Make sure the pieces are sorted. */ - mem_pieces_sort(mp); - mem_pieces_coalesce(mp); - return 1; -} - -static unsigned long __init chrp_find_end_of_memory(void) -{ - unsigned long a, total; - struct mem_pieces phys_mem; - - /* - * Find out where physical memory is, and check that it - * starts at 0 and is contiguous. It seems that RAM is - * always physically contiguous on Power Macintoshes. - * - * Supporting discontiguous physical memory isn't hard, - * it just makes the virtual <-> physical mapping functions - * more complicated (or else you end up wasting space - * in mem_map). - */ - memory_node = find_devices("memory"); - if (memory_node == NULL || !get_mem_prop("reg", &phys_mem) - || phys_mem.n_regions == 0) - panic("No RAM??"); - a = phys_mem.regions[0].address; - if (a != 0) - panic("RAM doesn't start at physical address 0"); - total = phys_mem.regions[0].size; - - if (phys_mem.n_regions > 1) { - printk("RAM starting at 0x%x is not contiguous\n", - phys_mem.regions[1].address); - printk("Using RAM from 0 to 0x%lx\n", total-1); - } - - return total; -} - -void __init -chrp_init(unsigned long r3, unsigned long r4, unsigned long r5, - unsigned long r6, unsigned long r7) -{ - struct device_node *root = find_path_device ("/"); - char *machine = NULL; - -#ifdef CONFIG_BLK_DEV_INITRD - /* take care of initrd if we have one */ - if ( r6 ) - { - initrd_start = r6 + KERNELBASE; - initrd_end = r6 + r7 + KERNELBASE; - } -#endif /* CONFIG_BLK_DEV_INITRD */ - - ISA_DMA_THRESHOLD = ~0L; - DMA_MODE_READ = 0x44; - DMA_MODE_WRITE = 0x48; - isa_io_base = CHRP_ISA_IO_BASE; /* default value */ - ppc_do_canonicalize_irqs = 1; - - if (root) - machine = get_property(root, "model", NULL); - if (machine && strncmp(machine, "Pegasos", 7) == 0) { - _chrp_type = _CHRP_Pegasos; - } else if (machine && strncmp(machine, "IBM", 3) == 0) { - _chrp_type = _CHRP_IBM; - } else if (machine && strncmp(machine, "MOT", 3) == 0) { - _chrp_type = _CHRP_Motorola; - } else { - /* Let's assume it is an IBM chrp if all else fails */ - _chrp_type = _CHRP_IBM; - } - - ppc_md.setup_arch = chrp_setup_arch; - ppc_md.show_percpuinfo = of_show_percpuinfo; - ppc_md.show_cpuinfo = chrp_show_cpuinfo; - - ppc_md.init_IRQ = chrp_init_IRQ; - if (_chrp_type == _CHRP_Pegasos) - ppc_md.get_irq = i8259_irq; - else - ppc_md.get_irq = openpic_get_irq; - - ppc_md.init = chrp_init2; - - ppc_md.phys_mem_access_prot = pci_phys_mem_access_prot; - - ppc_md.restart = chrp_restart; - ppc_md.power_off = chrp_power_off; - ppc_md.halt = chrp_halt; - - ppc_md.time_init = chrp_time_init; - ppc_md.set_rtc_time = chrp_set_rtc_time; - ppc_md.get_rtc_time = chrp_get_rtc_time; - ppc_md.calibrate_decr = chrp_calibrate_decr; - - ppc_md.find_end_of_memory = chrp_find_end_of_memory; - - if (rtas_data) { - struct device_node *rtas; - unsigned int *p; - - rtas = find_devices("rtas"); - if (rtas != NULL) { - if (get_property(rtas, "display-character", NULL)) { - ppc_md.progress = rtas_display_progress; - p = (unsigned int *) get_property - (rtas, "ibm,display-line-length", NULL); - if (p) - max_width = *p; - } else if (get_property(rtas, "set-indicator", NULL)) - ppc_md.progress = rtas_indicator_progress; - } - } -#ifdef CONFIG_BOOTX_TEXT - if (ppc_md.progress == NULL && boot_text_mapped) - ppc_md.progress = btext_progress; -#endif - -#ifdef CONFIG_SMP - smp_ops = &chrp_smp_ops; -#endif /* CONFIG_SMP */ - - /* - * Print the banner, then scroll down so boot progress - * can be printed. -- Cort - */ - if (ppc_md.progress) ppc_md.progress("Linux/PPC "UTS_RELEASE"\n", 0x0); -} - -void -rtas_display_progress(char *s, unsigned short hex) -{ - int width; - char *os = s; - - if ( call_rtas( "display-character", 1, 1, NULL, '\r' ) ) - return; - - width = max_width; - while ( *os ) - { - if ( (*os == '\n') || (*os == '\r') ) - width = max_width; - else - width--; - call_rtas( "display-character", 1, 1, NULL, *os++ ); - /* if we overwrite the screen length */ - if ( width == 0 ) - while ( (*os != 0) && (*os != '\n') && (*os != '\r') ) - os++; - } - - /*while ( width-- > 0 )*/ - call_rtas( "display-character", 1, 1, NULL, ' ' ); -} - -void -rtas_indicator_progress(char *s, unsigned short hex) -{ - call_rtas("set-indicator", 3, 1, NULL, 6, 0, hex); -} - -#ifdef CONFIG_BOOTX_TEXT -void -btext_progress(char *s, unsigned short hex) -{ - prom_print(s); - prom_print("\n"); -} -#endif /* CONFIG_BOOTX_TEXT */ diff --git a/arch/ppc/platforms/chrp_smp.c b/arch/ppc/platforms/chrp_smp.c deleted file mode 100644 index 97e539557ec..00000000000 --- a/arch/ppc/platforms/chrp_smp.c +++ /dev/null @@ -1,99 +0,0 @@ -/* - * Smp support for CHRP machines. - * - * Written by Cort Dougan (cort@cs.nmt.edu) borrowing a great - * deal of code from the sparc and intel versions. - * - * Copyright (C) 1999 Cort Dougan <cort@cs.nmt.edu> - * - */ - -#include <linux/config.h> -#include <linux/kernel.h> -#include <linux/sched.h> -#include <linux/smp.h> -#include <linux/smp_lock.h> -#include <linux/interrupt.h> -#include <linux/kernel_stat.h> -#include <linux/delay.h> -#include <linux/init.h> -#include <linux/spinlock.h> - -#include <asm/ptrace.h> -#include <asm/atomic.h> -#include <asm/irq.h> -#include <asm/page.h> -#include <asm/pgtable.h> -#include <asm/sections.h> -#include <asm/io.h> -#include <asm/prom.h> -#include <asm/smp.h> -#include <asm/residual.h> -#include <asm/time.h> -#include <asm/open_pic.h> -#include <asm/machdep.h> - -extern unsigned long smp_chrp_cpu_nr; - -static int __init -smp_chrp_probe(void) -{ - if (smp_chrp_cpu_nr > 1) - openpic_request_IPIs(); - - return smp_chrp_cpu_nr; -} - -static void __devinit -smp_chrp_kick_cpu(int nr) -{ - *(unsigned long *)KERNELBASE = nr; - asm volatile("dcbf 0,%0"::"r"(KERNELBASE):"memory"); -} - -static void __devinit -smp_chrp_setup_cpu(int cpu_nr) -{ - if (OpenPIC_Addr) - do_openpic_setup_cpu(); -} - -static DEFINE_SPINLOCK(timebase_lock); -static unsigned int timebase_upper = 0, timebase_lower = 0; - -void __devinit -smp_chrp_give_timebase(void) -{ - spin_lock(&timebase_lock); - call_rtas("freeze-time-base", 0, 1, NULL); - timebase_upper = get_tbu(); - timebase_lower = get_tbl(); - spin_unlock(&timebase_lock); - - while (timebase_upper || timebase_lower) - barrier(); - call_rtas("thaw-time-base", 0, 1, NULL); -} - -void __devinit -smp_chrp_take_timebase(void) -{ - while (!(timebase_upper || timebase_lower)) - barrier(); - spin_lock(&timebase_lock); - set_tb(timebase_upper, timebase_lower); - timebase_upper = 0; - timebase_lower = 0; - spin_unlock(&timebase_lock); - printk("CPU %i taken timebase\n", smp_processor_id()); -} - -/* CHRP with openpic */ -struct smp_ops_t chrp_smp_ops = { - .message_pass = smp_openpic_message_pass, - .probe = smp_chrp_probe, - .kick_cpu = smp_chrp_kick_cpu, - .setup_cpu = smp_chrp_setup_cpu, - .give_timebase = smp_chrp_give_timebase, - .take_timebase = smp_chrp_take_timebase, -}; diff --git a/arch/ppc/platforms/chrp_time.c b/arch/ppc/platforms/chrp_time.c deleted file mode 100644 index 51e06ad6616..00000000000 --- a/arch/ppc/platforms/chrp_time.c +++ /dev/null @@ -1,235 +0,0 @@ -/* - * Copyright (C) 1991, 1992, 1995 Linus Torvalds - * - * Adapted for PowerPC (PReP) by Gary Thomas - * Modified by Cort Dougan (cort@cs.nmt.edu). - * Copied and modified from arch/i386/kernel/time.c - * - */ -#include <linux/errno.h> -#include <linux/sched.h> -#include <linux/kernel.h> -#include <linux/param.h> -#include <linux/string.h> -#include <linux/mm.h> -#include <linux/interrupt.h> -#include <linux/time.h> -#include <linux/timex.h> -#include <linux/kernel_stat.h> -#include <linux/mc146818rtc.h> -#include <linux/init.h> -#include <linux/bcd.h> - -#include <asm/io.h> -#include <asm/nvram.h> -#include <asm/prom.h> -#include <asm/sections.h> -#include <asm/time.h> - -extern spinlock_t rtc_lock; - -static int nvram_as1 = NVRAM_AS1; -static int nvram_as0 = NVRAM_AS0; -static int nvram_data = NVRAM_DATA; - -long __init chrp_time_init(void) -{ - struct device_node *rtcs; - int base; - - rtcs = find_compatible_devices("rtc", "pnpPNP,b00"); - if (rtcs == NULL) - rtcs = find_compatible_devices("rtc", "ds1385-rtc"); - if (rtcs == NULL || rtcs->addrs == NULL) - return 0; - base = rtcs->addrs[0].address; - nvram_as1 = 0; - nvram_as0 = base; - nvram_data = base + 1; - - return 0; -} - -int chrp_cmos_clock_read(int addr) -{ - if (nvram_as1 != 0) - outb(addr>>8, nvram_as1); - outb(addr, nvram_as0); - return (inb(nvram_data)); -} - -void chrp_cmos_clock_write(unsigned long val, int addr) -{ - if (nvram_as1 != 0) - outb(addr>>8, nvram_as1); - outb(addr, nvram_as0); - outb(val, nvram_data); - return; -} - -/* - * Set the hardware clock. -- Cort - */ -int chrp_set_rtc_time(unsigned long nowtime) -{ - unsigned char save_control, save_freq_select; - struct rtc_time tm; - - spin_lock(&rtc_lock); - to_tm(nowtime, &tm); - - save_control = chrp_cmos_clock_read(RTC_CONTROL); /* tell the clock it's being set */ - - chrp_cmos_clock_write((save_control|RTC_SET), RTC_CONTROL); - - save_freq_select = chrp_cmos_clock_read(RTC_FREQ_SELECT); /* stop and reset prescaler */ - - chrp_cmos_clock_write((save_freq_select|RTC_DIV_RESET2), RTC_FREQ_SELECT); - - tm.tm_year -= 1900; - if (!(save_control & RTC_DM_BINARY) || RTC_ALWAYS_BCD) { - BIN_TO_BCD(tm.tm_sec); - BIN_TO_BCD(tm.tm_min); - BIN_TO_BCD(tm.tm_hour); - BIN_TO_BCD(tm.tm_mon); - BIN_TO_BCD(tm.tm_mday); - BIN_TO_BCD(tm.tm_year); - } - chrp_cmos_clock_write(tm.tm_sec,RTC_SECONDS); - chrp_cmos_clock_write(tm.tm_min,RTC_MINUTES); - chrp_cmos_clock_write(tm.tm_hour,RTC_HOURS); - chrp_cmos_clock_write(tm.tm_mon,RTC_MONTH); - chrp_cmos_clock_write(tm.tm_mday,RTC_DAY_OF_MONTH); - chrp_cmos_clock_write(tm.tm_year,RTC_YEAR); - - /* The following flags have to be released exactly in this order, - * otherwise the DS12887 (popular MC146818A clone with integrated - * battery and quartz) will not reset the oscillator and will not - * update precisely 500 ms later. You won't find this mentioned in - * the Dallas Semiconductor data sheets, but who believes data - * sheets anyway ... -- Markus Kuhn - */ - chrp_cmos_clock_write(save_control, RTC_CONTROL); - chrp_cmos_clock_write(save_freq_select, RTC_FREQ_SELECT); - - spin_unlock(&rtc_lock); - return 0; -} - -unsigned long chrp_get_rtc_time(void) -{ - unsigned int year, mon, day, hour, min, sec; - - do { - sec = chrp_cmos_clock_read(RTC_SECONDS); - min = chrp_cmos_clock_read(RTC_MINUTES); - hour = chrp_cmos_clock_read(RTC_HOURS); - day = chrp_cmos_clock_read(RTC_DAY_OF_MONTH); - mon = chrp_cmos_clock_read(RTC_MONTH); - year = chrp_cmos_clock_read(RTC_YEAR); - } while (sec != chrp_cmos_clock_read(RTC_SECONDS)); - - if (!(chrp_cmos_clock_read(RTC_CONTROL) & RTC_DM_BINARY) - || RTC_ALWAYS_BCD) { - BCD_TO_BIN(sec); - BCD_TO_BIN(min); - BCD_TO_BIN(hour); - BCD_TO_BIN(day); - BCD_TO_BIN(mon); - BCD_TO_BIN(year); - } - - year += 1900; - if (year < 1970) - year += 100; - return mktime(year, mon, day, hour, min, sec); -} - -/* - * Calibrate the decrementer frequency with the VIA timer 1. - */ -#define VIA_TIMER_FREQ_6 4700000 /* time 1 frequency * 6 */ - -/* VIA registers */ -#define RS 0x200 /* skip between registers */ -#define T1CL (4*RS) /* Timer 1 ctr/latch (low 8 bits) */ -#define T1CH (5*RS) /* Timer 1 counter (high 8 bits) */ -#define T1LL (6*RS) /* Timer 1 latch (low 8 bits) */ -#define T1LH (7*RS) /* Timer 1 latch (high 8 bits) */ -#define ACR (11*RS) /* Auxiliary control register */ -#define IFR (13*RS) /* Interrupt flag register */ - -/* Bits in ACR */ -#define T1MODE 0xc0 /* Timer 1 mode */ -#define T1MODE_CONT 0x40 /* continuous interrupts */ - -/* Bits in IFR and IER */ -#define T1_INT 0x40 /* Timer 1 interrupt */ - -static int __init chrp_via_calibrate_decr(void) -{ - struct device_node *vias; - volatile unsigned char __iomem *via; - int count = VIA_TIMER_FREQ_6 / 100; - unsigned int dstart, dend; - - vias = find_devices("via-cuda"); - if (vias == 0) - vias = find_devices("via"); - if (vias == 0 || vias->n_addrs == 0) - return 0; - via = ioremap(vias->addrs[0].address, vias->addrs[0].size); - - /* set timer 1 for continuous interrupts */ - out_8(&via[ACR], (via[ACR] & ~T1MODE) | T1MODE_CONT); - /* set the counter to a small value */ - out_8(&via[T1CH], 2); - /* set the latch to `count' */ - out_8(&via[T1LL], count); - out_8(&via[T1LH], count >> 8); - /* wait until it hits 0 */ - while ((in_8(&via[IFR]) & T1_INT) == 0) - ; - dstart = get_dec(); - /* clear the interrupt & wait until it hits 0 again */ - in_8(&via[T1CL]); - while ((in_8(&via[IFR]) & T1_INT) == 0) - ; - dend = get_dec(); - - tb_ticks_per_jiffy = (dstart - dend) / ((6 * HZ)/100); - tb_to_us = mulhwu_scale_factor(dstart - dend, 60000); - - printk(KERN_INFO "via_calibrate_decr: ticks per jiffy = %u (%u ticks)\n", - tb_ticks_per_jiffy, dstart - dend); - - iounmap(via); - - return 1; -} - -void __init chrp_calibrate_decr(void) -{ - struct device_node *cpu; - unsigned int freq, *fp; - - if (chrp_via_calibrate_decr()) - return; - - /* - * The cpu node should have a timebase-frequency property - * to tell us the rate at which the decrementer counts. - */ - freq = 16666000; /* hardcoded default */ - cpu = find_type_devices("cpu"); - if (cpu != 0) { - fp = (unsigned int *) - get_property(cpu, "timebase-frequency", NULL); - if (fp != 0) - freq = *fp; - } - printk("time_init: decrementer frequency = %u.%.6u MHz\n", - freq/1000000, freq%1000000); - tb_ticks_per_jiffy = freq / HZ; - tb_to_us = mulhwu_scale_factor(freq, 1000000); -} diff --git a/arch/ppc/platforms/lite5200.c b/arch/ppc/platforms/lite5200.c index 5171b53bccb..fecbe9adc9e 100644 --- a/arch/ppc/platforms/lite5200.c +++ b/arch/ppc/platforms/lite5200.c @@ -34,8 +34,7 @@ #include <asm/mpc52xx.h> #include <asm/ppc_sys.h> #include <asm/machdep.h> - -#include <syslib/mpc52xx_pci.h> +#include <asm/pci-bridge.h> extern int powersave_nap; @@ -68,44 +67,53 @@ lite5200_show_cpuinfo(struct seq_file *m) } #ifdef CONFIG_PCI +#ifdef CONFIG_LITE5200B +static int +lite5200_map_irq(struct pci_dev *dev, unsigned char idsel, + unsigned char pin) +{ + static char pci_irq_table[][4] = + /* + * PCI IDSEL/INTPIN->INTLINE + * A B C D + */ + { + {MPC52xx_IRQ0, MPC52xx_IRQ1, MPC52xx_IRQ2, MPC52xx_IRQ3}, + {MPC52xx_IRQ1, MPC52xx_IRQ2, MPC52xx_IRQ3, MPC52xx_IRQ0}, + }; + + const long min_idsel = 24, max_idsel = 25, irqs_per_slot = 4; + return PCI_IRQ_TABLE_LOOKUP; +} +#else /* Original Lite */ static int lite5200_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin) { return (pin == 1) && (idsel==24) ? MPC52xx_IRQ0 : -1; } #endif +#endif static void __init lite5200_setup_cpu(void) { - struct mpc52xx_cdm __iomem *cdm; struct mpc52xx_gpio __iomem *gpio; struct mpc52xx_intr __iomem *intr; - struct mpc52xx_xlb __iomem *xlb; u32 port_config; u32 intr_ctrl; /* Map zones */ - cdm = ioremap(MPC52xx_PA(MPC52xx_CDM_OFFSET), MPC52xx_CDM_SIZE); gpio = ioremap(MPC52xx_PA(MPC52xx_GPIO_OFFSET), MPC52xx_GPIO_SIZE); - xlb = ioremap(MPC52xx_PA(MPC52xx_XLB_OFFSET), MPC52xx_XLB_SIZE); intr = ioremap(MPC52xx_PA(MPC52xx_INTR_OFFSET), MPC52xx_INTR_SIZE); - if (!cdm || !gpio || !xlb || !intr) { - printk("lite5200.c: Error while mapping CDM/GPIO/XLB/INTR during" - "lite5200_setup_cpu\n"); + if (!gpio || !intr) { + printk(KERN_ERR __FILE__ ": " + "Error while mapping GPIO/INTR during " + "lite5200_setup_cpu\n"); goto unmap_regs; } - /* Use internal 48 Mhz */ - out_8(&cdm->ext_48mhz_en, 0x00); - out_8(&cdm->fd_enable, 0x01); - if (in_be32(&cdm->rstcfg) & 0x40) /* Assumes 33Mhz clock */ - out_be16(&cdm->fd_counters, 0x0001); - else - out_be16(&cdm->fd_counters, 0x5555); - /* Get port mux config */ port_config = in_be32(&gpio->port_config); @@ -116,29 +124,29 @@ lite5200_setup_cpu(void) port_config &= ~0x00007000; /* Differential mode - USB1 only */ port_config |= 0x00001000; + /* ATA CS is on csb_4/5 */ + port_config &= ~0x03000000; + port_config |= 0x01000000; + /* Commit port config */ out_be32(&gpio->port_config, port_config); - /* Configure the XLB Arbiter */ - out_be32(&xlb->master_pri_enable, 0xff); - out_be32(&xlb->master_priority, 0x11111111); - - /* Enable ram snooping for 1GB window */ - out_be32(&xlb->config, in_be32(&xlb->config) | MPC52xx_XLB_CFG_SNOOP); - out_be32(&xlb->snoop_window, MPC52xx_PCI_TARGET_MEM | 0x1d); - - /* IRQ[0-3] setup : IRQ0 - Level Active Low */ - /* IRQ[1-3] - Level Active High */ + /* IRQ[0-3] setup */ intr_ctrl = in_be32(&intr->ctrl); intr_ctrl &= ~0x00ff0000; - intr_ctrl |= 0x00c00000; +#ifdef CONFIG_LITE5200B + /* IRQ[0-3] Level Active Low */ + intr_ctrl |= 0x00ff0000; +#else + /* IRQ0 Level Active Low + * IRQ[1-3] Level Active High */ + intr_ctrl |= 0x00c00000; +#endif out_be32(&intr->ctrl, intr_ctrl); /* Unmap reg zone */ unmap_regs: - if (cdm) iounmap(cdm); if (gpio) iounmap(gpio); - if (xlb) iounmap(xlb); if (intr) iounmap(intr); } @@ -146,7 +154,8 @@ static void __init lite5200_setup_arch(void) { /* CPU & Port mux setup */ - lite5200_setup_cpu(); + mpc52xx_setup_cpu(); /* Generic */ + lite5200_setup_cpu(); /* Platform specific */ #ifdef CONFIG_PCI /* PCI Bridge setup */ diff --git a/arch/ppc/platforms/prep_setup.c b/arch/ppc/platforms/prep_setup.c index d95c05d9824..e86f6156d58 100644 --- a/arch/ppc/platforms/prep_setup.c +++ b/arch/ppc/platforms/prep_setup.c @@ -1067,15 +1067,13 @@ prep_map_io(void) static int __init prep_request_io(void) { - if (_machine == _MACH_prep) { #ifdef CONFIG_NVRAM - request_region(PREP_NVRAM_AS0, 0x8, "nvram"); + request_region(PREP_NVRAM_AS0, 0x8, "nvram"); #endif - request_region(0x00,0x20,"dma1"); - request_region(0x40,0x20,"timer"); - request_region(0x80,0x10,"dma page reg"); - request_region(0xc0,0x20,"dma2"); - } + request_region(0x00,0x20,"dma1"); + request_region(0x40,0x20,"timer"); + request_region(0x80,0x10,"dma page reg"); + request_region(0xc0,0x20,"dma2"); return 0; } diff --git a/arch/ppc/syslib/Makefile b/arch/ppc/syslib/Makefile index 5cb62c6a51c..490749ca88f 100644 --- a/arch/ppc/syslib/Makefile +++ b/arch/ppc/syslib/Makefile @@ -38,8 +38,6 @@ endif obj-$(CONFIG_8xx) += m8xx_setup.o ppc8xx_pic.o $(wdt-mpc8xx-y) \ ppc_sys.o mpc8xx_devices.o mpc8xx_sys.o obj-$(CONFIG_PCI_QSPAN) += qspan_pci.o -obj-$(CONFIG_PPC_OF) += prom_init.o prom.o -obj-$(CONFIG_PPC_CHRP) += open_pic.o obj-$(CONFIG_PPC_PREP) += open_pic.o todc_time.o obj-$(CONFIG_BAMBOO) += pci_auto.o todc_time.o obj-$(CONFIG_CPCI690) += todc_time.o pci_auto.o diff --git a/arch/ppc/syslib/mpc52xx_pci.c b/arch/ppc/syslib/mpc52xx_pci.c index 9ec525f9fe9..5a5a7a9cd24 100644 --- a/arch/ppc/syslib/mpc52xx_pci.c +++ b/arch/ppc/syslib/mpc52xx_pci.c @@ -225,7 +225,8 @@ mpc52xx_pci_fixup_resources(struct pci_dev *dev) /* The PCI Host bridge of MPC52xx has a prefetch memory resource fixed to 1Gb. Doesn't fit in the resource system so we remove it */ if ( (dev->vendor == PCI_VENDOR_ID_MOTOROLA) && - (dev->device == PCI_DEVICE_ID_MOTOROLA_MPC5200) ) { + ( dev->device == PCI_DEVICE_ID_MOTOROLA_MPC5200 + || dev->device == PCI_DEVICE_ID_MOTOROLA_MPC5200B) ) { struct resource *res = &dev->resource[1]; res->start = res->end = res->flags = 0; } diff --git a/arch/ppc/syslib/mpc52xx_setup.c b/arch/ppc/syslib/mpc52xx_setup.c index 2ee48ce0a51..ee6379bb415 100644 --- a/arch/ppc/syslib/mpc52xx_setup.c +++ b/arch/ppc/syslib/mpc52xx_setup.c @@ -24,6 +24,8 @@ #include <asm/pgtable.h> #include <asm/ppcboot.h> +#include <syslib/mpc52xx_pci.h> + extern bd_t __res; static int core_mult[] = { /* CPU Frequency multiplier, taken */ @@ -216,6 +218,52 @@ mpc52xx_calibrate_decr(void) tb_to_us = mulhwu_scale_factor(xlbfreq / divisor, 1000000); } + +void __init +mpc52xx_setup_cpu(void) +{ + struct mpc52xx_cdm __iomem *cdm; + struct mpc52xx_xlb __iomem *xlb; + + /* Map zones */ + cdm = ioremap(MPC52xx_PA(MPC52xx_CDM_OFFSET), MPC52xx_CDM_SIZE); + xlb = ioremap(MPC52xx_PA(MPC52xx_XLB_OFFSET), MPC52xx_XLB_SIZE); + + if (!cdm || !xlb) { + printk(KERN_ERR __FILE__ ": " + "Error while mapping CDM/XLB during " + "mpc52xx_setup_cpu\n"); + goto unmap_regs; + } + + /* Use internal 48 Mhz */ + out_8(&cdm->ext_48mhz_en, 0x00); + out_8(&cdm->fd_enable, 0x01); + if (in_be32(&cdm->rstcfg) & 0x40) /* Assumes 33Mhz clock */ + out_be16(&cdm->fd_counters, 0x0001); + else + out_be16(&cdm->fd_counters, 0x5555); + + /* Configure the XLB Arbiter priorities */ + out_be32(&xlb->master_pri_enable, 0xff); + out_be32(&xlb->master_priority, 0x11111111); + + /* Enable ram snooping for 1GB window */ + out_be32(&xlb->config, in_be32(&xlb->config) | MPC52xx_XLB_CFG_SNOOP); + out_be32(&xlb->snoop_window, MPC52xx_PCI_TARGET_MEM | 0x1d); + + /* Disable XLB pipelining */ + /* (cfr errate 292. We could do this only just before ATA PIO + transaction and re-enable it after ...) */ + out_be32(&xlb->config, in_be32(&xlb->config) | MPC52xx_XLB_CFG_PLDIS); + + /* Unmap reg zone */ +unmap_regs: + if (cdm) iounmap(cdm); + if (xlb) iounmap(xlb); +} + + int mpc52xx_match_psc_function(int psc_idx, const char *func) { struct mpc52xx_psc_func *cf = mpc52xx_psc_functions; diff --git a/arch/ppc/syslib/open_pic.c b/arch/ppc/syslib/open_pic.c index 38e5b93fbe4..70456c8f998 100644 --- a/arch/ppc/syslib/open_pic.c +++ b/arch/ppc/syslib/open_pic.c @@ -216,7 +216,7 @@ static void openpic_safe_writefield(volatile u_int __iomem *addr, u_int mask, u_int openpic_read_IPI(volatile u_int __iomem * addr) { u_int val = 0; -#if defined(OPENPIC_BIG_ENDIAN) || defined(CONFIG_POWER3) +#if defined(OPENPIC_BIG_ENDIAN) val = in_be32(addr); #else val = in_le32(addr); diff --git a/arch/ppc/syslib/prom.c b/arch/ppc/syslib/prom.c deleted file mode 100644 index 482f837fd37..00000000000 --- a/arch/ppc/syslib/prom.c +++ /dev/null @@ -1,1429 +0,0 @@ -/* - * Procedures for interfacing to the Open Firmware PROM on - * Power Macintosh computers. - * - * In particular, we are interested in the device tree - * and in using some of its services (exit, write to stdout). - * - * Paul Mackerras August 1996. - * Copyright (C) 1996 Paul Mackerras. - */ -#include <stdarg.h> -#include <linux/config.h> -#include <linux/kernel.h> -#include <linux/string.h> -#include <linux/init.h> -#include <linux/threads.h> -#include <linux/spinlock.h> -#include <linux/ioport.h> -#include <linux/pci.h> -#include <linux/slab.h> -#include <linux/bitops.h> - -#include <asm/sections.h> -#include <asm/prom.h> -#include <asm/page.h> -#include <asm/processor.h> -#include <asm/irq.h> -#include <asm/io.h> -#include <asm/smp.h> -#include <asm/bootx.h> -#include <asm/system.h> -#include <asm/mmu.h> -#include <asm/pgtable.h> -#include <asm/bootinfo.h> -#include <asm/btext.h> -#include <asm/pci-bridge.h> -#include <asm/open_pic.h> - - -struct pci_address { - unsigned a_hi; - unsigned a_mid; - unsigned a_lo; -}; - -struct pci_reg_property { - struct pci_address addr; - unsigned size_hi; - unsigned size_lo; -}; - -struct isa_reg_property { - unsigned space; - unsigned address; - unsigned size; -}; - -typedef unsigned long interpret_func(struct device_node *, unsigned long, - int, int); -static interpret_func interpret_pci_props; -static interpret_func interpret_dbdma_props; -static interpret_func interpret_isa_props; -static interpret_func interpret_macio_props; -static interpret_func interpret_root_props; - -extern char *klimit; - -/* Set for a newworld or CHRP machine */ -int use_of_interrupt_tree; -struct device_node *dflt_interrupt_controller; -int num_interrupt_controllers; - -extern unsigned int rtas_entry; /* physical pointer */ - -extern struct device_node *allnodes; - -static unsigned long finish_node(struct device_node *, unsigned long, - interpret_func *, int, int); -static unsigned long finish_node_interrupts(struct device_node *, unsigned long); -static struct device_node *find_phandle(phandle); - -extern void enter_rtas(void *); -void phys_call_rtas(int, int, int, ...); - -extern char cmd_line[512]; /* XXX */ -extern boot_infos_t *boot_infos; -unsigned long dev_tree_size; - -void -phys_call_rtas(int service, int nargs, int nret, ...) -{ - va_list list; - union { - unsigned long words[16]; - double align; - } u; - void (*rtas)(void *, unsigned long); - int i; - - u.words[0] = service; - u.words[1] = nargs; - u.words[2] = nret; - va_start(list, nret); - for (i = 0; i < nargs; ++i) - u.words[i+3] = va_arg(list, unsigned long); - va_end(list); - - rtas = (void (*)(void *, unsigned long)) rtas_entry; - rtas(&u, rtas_data); -} - -/* - * finish_device_tree is called once things are running normally - * (i.e. with text and data mapped to the address they were linked at). - * It traverses the device tree and fills in the name, type, - * {n_}addrs and {n_}intrs fields of each node. - */ -void __init -finish_device_tree(void) -{ - unsigned long mem = (unsigned long) klimit; - struct device_node *np; - - /* All CHRPs now use the interrupt tree */ - for (np = allnodes; np != NULL; np = np->allnext) { - if (get_property(np, "interrupt-parent", NULL)) { - use_of_interrupt_tree = 1; - break; - } - } - - if (use_of_interrupt_tree) { - /* - * We want to find out here how many interrupt-controller - * nodes there are, and if we are booted from BootX, - * we need a pointer to the first (and hopefully only) - * such node. But we can't use find_devices here since - * np->name has not been set yet. -- paulus - */ - int n = 0; - char *name, *ic; - int iclen; - - for (np = allnodes; np != NULL; np = np->allnext) { - ic = get_property(np, "interrupt-controller", &iclen); - name = get_property(np, "name", NULL); - /* checking iclen makes sure we don't get a false - match on /chosen.interrupt_controller */ - if ((name != NULL - && strcmp(name, "interrupt-controller") == 0) - || (ic != NULL && iclen == 0 && strcmp(name, "AppleKiwi"))) { - if (n == 0) - dflt_interrupt_controller = np; - ++n; - } - } - num_interrupt_controllers = n; - } - - mem = finish_node(allnodes, mem, NULL, 1, 1); - dev_tree_size = mem - (unsigned long) allnodes; - klimit = (char *) mem; -} - -static unsigned long __init -finish_node(struct device_node *np, unsigned long mem_start, - interpret_func *ifunc, int naddrc, int nsizec) -{ - struct device_node *child; - int *ip; - - np->name = get_property(np, "name", NULL); - np->type = get_property(np, "device_type", NULL); - - if (!np->name) - np->name = "<NULL>"; - if (!np->type) - np->type = "<NULL>"; - - /* get the device addresses and interrupts */ - if (ifunc != NULL) - mem_start = ifunc(np, mem_start, naddrc, nsizec); - - if (use_of_interrupt_tree) - mem_start = finish_node_interrupts(np, mem_start); - - /* Look for #address-cells and #size-cells properties. */ - ip = (int *) get_property(np, "#address-cells", NULL); - if (ip != NULL) - naddrc = *ip; - ip = (int *) get_property(np, "#size-cells", NULL); - if (ip != NULL) - nsizec = *ip; - - if (np->parent == NULL) - ifunc = interpret_root_props; - else if (np->type == 0) - ifunc = NULL; - else if (!strcmp(np->type, "pci") || !strcmp(np->type, "vci")) - ifunc = interpret_pci_props; - else if (!strcmp(np->type, "dbdma")) - ifunc = interpret_dbdma_props; - else if (!strcmp(np->type, "mac-io") - || ifunc == interpret_macio_props) - ifunc = interpret_macio_props; - else if (!strcmp(np->type, "isa")) - ifunc = interpret_isa_props; - else if (!strcmp(np->name, "uni-n") || !strcmp(np->name, "u3")) - ifunc = interpret_root_props; - else if (!((ifunc == interpret_dbdma_props - || ifunc == interpret_macio_props) - && (!strcmp(np->type, "escc") - || !strcmp(np->type, "media-bay")))) - ifunc = NULL; - - /* if we were booted from BootX, convert the full name */ - if (boot_infos - && strncmp(np->full_name, "Devices:device-tree", 19) == 0) { - if (np->full_name[19] == 0) { - strcpy(np->full_name, "/"); - } else if (np->full_name[19] == ':') { - char *p = np->full_name + 19; - np->full_name = p; - for (; *p; ++p) - if (*p == ':') - *p = '/'; - } - } - - for (child = np->child; child != NULL; child = child->sibling) - mem_start = finish_node(child, mem_start, ifunc, - naddrc, nsizec); - - return mem_start; -} - -/* - * Find the interrupt parent of a node. - */ -static struct device_node * __init -intr_parent(struct device_node *p) -{ - phandle *parp; - - parp = (phandle *) get_property(p, "interrupt-parent", NULL); - if (parp == NULL) - return p->parent; - p = find_phandle(*parp); - if (p != NULL) - return p; - /* - * On a powermac booted with BootX, we don't get to know the - * phandles for any nodes, so find_phandle will return NULL. - * Fortunately these machines only have one interrupt controller - * so there isn't in fact any ambiguity. -- paulus - */ - if (num_interrupt_controllers == 1) - p = dflt_interrupt_controller; - return p; -} - -/* - * Find out the size of each entry of the interrupts property - * for a node. - */ -static int __init -prom_n_intr_cells(struct device_node *np) -{ - struct device_node *p; - unsigned int *icp; - - for (p = np; (p = intr_parent(p)) != NULL; ) { - icp = (unsigned int *) - get_property(p, "#interrupt-cells", NULL); - if (icp != NULL) - return *icp; - if (get_property(p, "interrupt-controller", NULL) != NULL - || get_property(p, "interrupt-map", NULL) != NULL) { - printk("oops, node %s doesn't have #interrupt-cells\n", - p->full_name); - return 1; - } - } - printk("prom_n_intr_cells failed for %s\n", np->full_name); - return 1; -} - -/* - * Map an interrupt from a device up to the platform interrupt - * descriptor. - */ -static int __init -map_interrupt(unsigned int **irq, struct device_node **ictrler, - struct device_node *np, unsigned int *ints, int nintrc) -{ - struct device_node *p, *ipar; - unsigned int *imap, *imask, *ip; - int i, imaplen, match; - int newintrc = 1, newaddrc = 1; - unsigned int *reg; - int naddrc; - - reg = (unsigned int *) get_property(np, "reg", NULL); - naddrc = prom_n_addr_cells(np); - p = intr_parent(np); - while (p != NULL) { - if (get_property(p, "interrupt-controller", NULL) != NULL) - /* this node is an interrupt controller, stop here */ - break; - imap = (unsigned int *) - get_property(p, "interrupt-map", &imaplen); - if (imap == NULL) { - p = intr_parent(p); - continue; - } - imask = (unsigned int *) - get_property(p, "interrupt-map-mask", NULL); - if (imask == NULL) { - printk("oops, %s has interrupt-map but no mask\n", - p->full_name); - return 0; - } - imaplen /= sizeof(unsigned int); - match = 0; - ipar = NULL; - while (imaplen > 0 && !match) { - /* check the child-interrupt field */ - match = 1; - for (i = 0; i < naddrc && match; ++i) - match = ((reg[i] ^ imap[i]) & imask[i]) == 0; - for (; i < naddrc + nintrc && match; ++i) - match = ((ints[i-naddrc] ^ imap[i]) & imask[i]) == 0; - imap += naddrc + nintrc; - imaplen -= naddrc + nintrc; - /* grab the interrupt parent */ - ipar = find_phandle((phandle) *imap++); - --imaplen; - if (ipar == NULL && num_interrupt_controllers == 1) - /* cope with BootX not giving us phandles */ - ipar = dflt_interrupt_controller; - if (ipar == NULL) { - printk("oops, no int parent %x in map of %s\n", - imap[-1], p->full_name); - return 0; - } - /* find the parent's # addr and intr cells */ - ip = (unsigned int *) - get_property(ipar, "#interrupt-cells", NULL); - if (ip == NULL) { - printk("oops, no #interrupt-cells on %s\n", - ipar->full_name); - return 0; - } - newintrc = *ip; - ip = (unsigned int *) - get_property(ipar, "#address-cells", NULL); - newaddrc = (ip == NULL)? 0: *ip; - imap += newaddrc + newintrc; - imaplen -= newaddrc + newintrc; - } - if (imaplen < 0) { - printk("oops, error decoding int-map on %s, len=%d\n", - p->full_name, imaplen); - return 0; - } - if (!match) { - printk("oops, no match in %s int-map for %s\n", - p->full_name, np->full_name); - return 0; - } - p = ipar; - naddrc = newaddrc; - nintrc = newintrc; - ints = imap - nintrc; - reg = ints - naddrc; - } - if (p == NULL) - printk("hmmm, int tree for %s doesn't have ctrler\n", - np->full_name); - *irq = ints; - *ictrler = p; - return nintrc; -} - -/* - * New version of finish_node_interrupts. - */ -static unsigned long __init -finish_node_interrupts(struct device_node *np, unsigned long mem_start) -{ - unsigned int *ints; - int intlen, intrcells; - int i, j, n, offset; - unsigned int *irq; - struct device_node *ic; - - ints = (unsigned int *) get_property(np, "interrupts", &intlen); - if (ints == NULL) - return mem_start; - intrcells = prom_n_intr_cells(np); - intlen /= intrcells * sizeof(unsigned int); - np->n_intrs = intlen; - np->intrs = (struct interrupt_info *) mem_start; - mem_start += intlen * sizeof(struct interrupt_info); - - for (i = 0; i < intlen; ++i) { - np->intrs[i].line = 0; - np->intrs[i].sense = 1; - n = map_interrupt(&irq, &ic, np, ints, intrcells); - if (n <= 0) - continue; - offset = 0; - /* - * On a CHRP we have an 8259 which is subordinate to - * the openpic in the interrupt tree, but we want the - * openpic's interrupt numbers offsetted, not the 8259's. - * So we apply the offset if the controller is at the - * root of the interrupt tree, i.e. has no interrupt-parent. - * This doesn't cope with the general case of multiple - * cascaded interrupt controllers, but then neither will - * irq.c at the moment either. -- paulus - * The G5 triggers that code, I add a machine test. On - * those machines, we want to offset interrupts from the - * second openpic by 128 -- BenH - */ - if (num_interrupt_controllers > 1 - && ic != NULL - && get_property(ic, "interrupt-parent", NULL) == NULL) - offset = 16; - - np->intrs[i].line = irq[0] + offset; - if (n > 1) - np->intrs[i].sense = irq[1]; - if (n > 2) { - printk("hmmm, got %d intr cells for %s:", n, - np->full_name); - for (j = 0; j < n; ++j) - printk(" %d", irq[j]); - printk("\n"); - } - ints += intrcells; - } - - return mem_start; -} - -/* - * When BootX makes a copy of the device tree from the MacOS - * Name Registry, it is in the format we use but all of the pointers - * are offsets from the start of the tree. - * This procedure updates the pointers. - */ -void __init -relocate_nodes(void) -{ - unsigned long base; - struct device_node *np; - struct property *pp; - -#define ADDBASE(x) (x = (typeof (x))((x)? ((unsigned long)(x) + base): 0)) - - base = (unsigned long) boot_infos + boot_infos->deviceTreeOffset; - allnodes = (struct device_node *)(base + 4); - for (np = allnodes; np != 0; np = np->allnext) { - ADDBASE(np->full_name); - ADDBASE(np->properties); - ADDBASE(np->parent); - ADDBASE(np->child); - ADDBASE(np->sibling); - ADDBASE(np->allnext); - for (pp = np->properties; pp != 0; pp = pp->next) { - ADDBASE(pp->name); - ADDBASE(pp->value); - ADDBASE(pp->next); - } - } -} - -int -prom_n_addr_cells(struct device_node* np) -{ - int* ip; - do { - if (np->parent) - np = np->parent; - ip = (int *) get_property(np, "#address-cells", NULL); - if (ip != NULL) - return *ip; - } while (np->parent); - /* No #address-cells property for the root node, default to 1 */ - return 1; -} - -int -prom_n_size_cells(struct device_node* np) -{ - int* ip; - do { - if (np->parent) - np = np->parent; - ip = (int *) get_property(np, "#size-cells", NULL); - if (ip != NULL) - return *ip; - } while (np->parent); - /* No #size-cells property for the root node, default to 1 */ - return 1; -} - -static unsigned long __init -map_addr(struct device_node *np, unsigned long space, unsigned long addr) -{ - int na; - unsigned int *ranges; - int rlen = 0; - unsigned int type; - - type = (space >> 24) & 3; - if (type == 0) - return addr; - - while ((np = np->parent) != NULL) { - if (strcmp(np->type, "pci") != 0) - continue; - /* PCI bridge: map the address through the ranges property */ - na = prom_n_addr_cells(np); - ranges = (unsigned int *) get_property(np, "ranges", &rlen); - while ((rlen -= (na + 5) * sizeof(unsigned int)) >= 0) { - if (((ranges[0] >> 24) & 3) == type - && ranges[2] <= addr - && addr - ranges[2] < ranges[na+4]) { - /* ok, this matches, translate it */ - addr += ranges[na+2] - ranges[2]; - break; - } - ranges += na + 5; - } - } - return addr; -} - -static unsigned long __init -interpret_pci_props(struct device_node *np, unsigned long mem_start, - int naddrc, int nsizec) -{ - struct address_range *adr; - struct pci_reg_property *pci_addrs; - int i, l, *ip; - - pci_addrs = (struct pci_reg_property *) - get_property(np, "assigned-addresses", &l); - if (pci_addrs != 0 && l >= sizeof(struct pci_reg_property)) { - i = 0; - adr = (struct address_range *) mem_start; - while ((l -= sizeof(struct pci_reg_property)) >= 0) { - adr[i].space = pci_addrs[i].addr.a_hi; - adr[i].address = map_addr(np, pci_addrs[i].addr.a_hi, - pci_addrs[i].addr.a_lo); - adr[i].size = pci_addrs[i].size_lo; - ++i; - } - np->addrs = adr; - np->n_addrs = i; - mem_start += i * sizeof(struct address_range); - } - - if (use_of_interrupt_tree) - return mem_start; - - ip = (int *) get_property(np, "AAPL,interrupts", &l); - if (ip == 0 && np->parent) - ip = (int *) get_property(np->parent, "AAPL,interrupts", &l); - if (ip == 0) - ip = (int *) get_property(np, "interrupts", &l); - if (ip != 0) { - np->intrs = (struct interrupt_info *) mem_start; - np->n_intrs = l / sizeof(int); - mem_start += np->n_intrs * sizeof(struct interrupt_info); - for (i = 0; i < np->n_intrs; ++i) { - np->intrs[i].line = *ip++; - np->intrs[i].sense = 1; - } - } - - return mem_start; -} - -static unsigned long __init -interpret_dbdma_props(struct device_node *np, unsigned long mem_start, - int naddrc, int nsizec) -{ - struct reg_property *rp; - struct address_range *adr; - unsigned long base_address; - int i, l, *ip; - struct device_node *db; - - base_address = 0; - for (db = np->parent; db != NULL; db = db->parent) { - if (!strcmp(db->type, "dbdma") && db->n_addrs != 0) { - base_address = db->addrs[0].address; - break; - } - } - - rp = (struct reg_property *) get_property(np, "reg", &l); - if (rp != 0 && l >= sizeof(struct reg_property)) { - i = 0; - adr = (struct address_range *) mem_start; - while ((l -= sizeof(struct reg_property)) >= 0) { - adr[i].space = 2; - adr[i].address = rp[i].address + base_address; - adr[i].size = rp[i].size; - ++i; - } - np->addrs = adr; - np->n_addrs = i; - mem_start += i * sizeof(struct address_range); - } - - if (use_of_interrupt_tree) - return mem_start; - - ip = (int *) get_property(np, "AAPL,interrupts", &l); - if (ip == 0) - ip = (int *) get_property(np, "interrupts", &l); - if (ip != 0) { - np->intrs = (struct interrupt_info *) mem_start; - np->n_intrs = l / sizeof(int); - mem_start += np->n_intrs * sizeof(struct interrupt_info); - for (i = 0; i < np->n_intrs; ++i) { - np->intrs[i].line = *ip++; - np->intrs[i].sense = 1; - } - } - - return mem_start; -} - -static unsigned long __init -interpret_macio_props(struct device_node *np, unsigned long mem_start, - int naddrc, int nsizec) -{ - struct reg_property *rp; - struct address_range *adr; - unsigned long base_address; - int i, l, *ip; - struct device_node *db; - - base_address = 0; - for (db = np->parent; db != NULL; db = db->parent) { - if (!strcmp(db->type, "mac-io") && db->n_addrs != 0) { - base_address = db->addrs[0].address; - break; - } - } - - rp = (struct reg_property *) get_property(np, "reg", &l); - if (rp != 0 && l >= sizeof(struct reg_property)) { - i = 0; - adr = (struct address_range *) mem_start; - while ((l -= sizeof(struct reg_property)) >= 0) { - adr[i].space = 2; - adr[i].address = rp[i].address + base_address; - adr[i].size = rp[i].size; - ++i; - } - np->addrs = adr; - np->n_addrs = i; - mem_start += i * sizeof(struct address_range); - } - - if (use_of_interrupt_tree) - return mem_start; - - ip = (int *) get_property(np, "interrupts", &l); - if (ip == 0) - ip = (int *) get_property(np, "AAPL,interrupts", &l); - if (ip != 0) { - np->intrs = (struct interrupt_info *) mem_start; - np->n_intrs = l / sizeof(int); - for (i = 0; i < np->n_intrs; ++i) { - np->intrs[i].line = *ip++; - np->intrs[i].sense = 1; - } - mem_start += np->n_intrs * sizeof(struct interrupt_info); - } - - return mem_start; -} - -static unsigned long __init -interpret_isa_props(struct device_node *np, unsigned long mem_start, - int naddrc, int nsizec) -{ - struct isa_reg_property *rp; - struct address_range *adr; - int i, l, *ip; - - rp = (struct isa_reg_property *) get_property(np, "reg", &l); - if (rp != 0 && l >= sizeof(struct isa_reg_property)) { - i = 0; - adr = (struct address_range *) mem_start; - while ((l -= sizeof(struct reg_property)) >= 0) { - adr[i].space = rp[i].space; - adr[i].address = rp[i].address - + (adr[i].space? 0: _ISA_MEM_BASE); - adr[i].size = rp[i].size; - ++i; - } - np->addrs = adr; - np->n_addrs = i; - mem_start += i * sizeof(struct address_range); - } - - if (use_of_interrupt_tree) - return mem_start; - - ip = (int *) get_property(np, "interrupts", &l); - if (ip != 0) { - np->intrs = (struct interrupt_info *) mem_start; - np->n_intrs = l / (2 * sizeof(int)); - mem_start += np->n_intrs * sizeof(struct interrupt_info); - for (i = 0; i < np->n_intrs; ++i) { - np->intrs[i].line = *ip++; - np->intrs[i].sense = *ip++; - } - } - - return mem_start; -} - -static unsigned long __init -interpret_root_props(struct device_node *np, unsigned long mem_start, - int naddrc, int nsizec) -{ - struct address_range *adr; - int i, l, *ip; - unsigned int *rp; - int rpsize = (naddrc + nsizec) * sizeof(unsigned int); - - rp = (unsigned int *) get_property(np, "reg", &l); - if (rp != 0 && l >= rpsize) { - i = 0; - adr = (struct address_range *) mem_start; - while ((l -= rpsize) >= 0) { - adr[i].space = (naddrc >= 2? rp[naddrc-2]: 2); - adr[i].address = rp[naddrc - 1]; - adr[i].size = rp[naddrc + nsizec - 1]; - ++i; - rp += naddrc + nsizec; - } - np->addrs = adr; - np->n_addrs = i; - mem_start += i * sizeof(struct address_range); - } - - if (use_of_interrupt_tree) - return mem_start; - - ip = (int *) get_property(np, "AAPL,interrupts", &l); - if (ip == 0) - ip = (int *) get_property(np, "interrupts", &l); - if (ip != 0) { - np->intrs = (struct interrupt_info *) mem_start; - np->n_intrs = l / sizeof(int); - mem_start += np->n_intrs * sizeof(struct interrupt_info); - for (i = 0; i < np->n_intrs; ++i) { - np->intrs[i].line = *ip++; - np->intrs[i].sense = 1; - } - } - - return mem_start; -} - -/* - * Work out the sense (active-low level / active-high edge) - * of each interrupt from the device tree. - */ -void __init -prom_get_irq_senses(unsigned char *senses, int off, int max) -{ - struct device_node *np; - int i, j; - - /* default to level-triggered */ - memset(senses, 1, max - off); - if (!use_of_interrupt_tree) - return; - - for (np = allnodes; np != 0; np = np->allnext) { - for (j = 0; j < np->n_intrs; j++) { - i = np->intrs[j].line; - if (i >= off && i < max) { - if (np->intrs[j].sense == 1) - senses[i-off] = (IRQ_SENSE_LEVEL - | IRQ_POLARITY_NEGATIVE); - else - senses[i-off] = (IRQ_SENSE_EDGE - | IRQ_POLARITY_POSITIVE); - } - } - } -} - -/* - * Construct and return a list of the device_nodes with a given name. - */ -struct device_node * -find_devices(const char *name) -{ - struct device_node *head, **prevp, *np; - - prevp = &head; - for (np = allnodes; np != 0; np = np->allnext) { - if (np->name != 0 && strcasecmp(np->name, name) == 0) { - *prevp = np; - prevp = &np->next; - } - } - *prevp = NULL; - return head; -} - -/* - * Construct and return a list of the device_nodes with a given type. - */ -struct device_node * -find_type_devices(const char *type) -{ - struct device_node *head, **prevp, *np; - - prevp = &head; - for (np = allnodes; np != 0; np = np->allnext) { - if (np->type != 0 && strcasecmp(np->type, type) == 0) { - *prevp = np; - prevp = &np->next; - } - } - *prevp = NULL; - return head; -} - -/* - * Returns all nodes linked together - */ -struct device_node * -find_all_nodes(void) -{ - struct device_node *head, **prevp, *np; - - prevp = &head; - for (np = allnodes; np != 0; np = np->allnext) { - *prevp = np; - prevp = &np->next; - } - *prevp = NULL; - return head; -} - -/* Checks if the given "compat" string matches one of the strings in - * the device's "compatible" property - */ -int -device_is_compatible(struct device_node *device, const char *compat) -{ - const char* cp; - int cplen, l; - - cp = (char *) get_property(device, "compatible", &cplen); - if (cp == NULL) - return 0; - while (cplen > 0) { - if (strncasecmp(cp, compat, strlen(compat)) == 0) - return 1; - l = strlen(cp) + 1; - cp += l; - cplen -= l; - } - - return 0; -} - - -/* - * Indicates whether the root node has a given value in its - * compatible property. - */ -int -machine_is_compatible(const char *compat) -{ - struct device_node *root; - - root = find_path_device("/"); - if (root == 0) - return 0; - return device_is_compatible(root, compat); -} - -/* - * Construct and return a list of the device_nodes with a given type - * and compatible property. - */ -struct device_node * -find_compatible_devices(const char *type, const char *compat) -{ - struct device_node *head, **prevp, *np; - - prevp = &head; - for (np = allnodes; np != 0; np = np->allnext) { - if (type != NULL - && !(np->type != 0 && strcasecmp(np->type, type) == 0)) - continue; - if (device_is_compatible(np, compat)) { - *prevp = np; - prevp = &np->next; - } - } - *prevp = NULL; - return head; -} - -/* - * Find the device_node with a given full_name. - */ -struct device_node * -find_path_device(const char *path) -{ - struct device_node *np; - - for (np = allnodes; np != 0; np = np->allnext) - if (np->full_name != 0 && strcasecmp(np->full_name, path) == 0) - return np; - return NULL; -} - -/******* - * - * New implementation of the OF "find" APIs, return a refcounted - * object, call of_node_put() when done. Currently, still lacks - * locking as old implementation, this is beeing done for ppc64. - * - * Note that property management will need some locking as well, - * this isn't dealt with yet - * - *******/ - -/** - * of_find_node_by_name - Find a node by it's "name" property - * @from: The node to start searching from or NULL, the node - * you pass will not be searched, only the next one - * will; typically, you pass what the previous call - * returned. of_node_put() will be called on it - * @name: The name string to match against - * - * Returns a node pointer with refcount incremented, use - * of_node_put() on it when done. - */ -struct device_node *of_find_node_by_name(struct device_node *from, - const char *name) -{ - struct device_node *np = from ? from->allnext : allnodes; - - for (; np != 0; np = np->allnext) - if (np->name != 0 && strcasecmp(np->name, name) == 0) - break; - if (from) - of_node_put(from); - return of_node_get(np); -} - -/** - * of_find_node_by_type - Find a node by it's "device_type" property - * @from: The node to start searching from or NULL, the node - * you pass will not be searched, only the next one - * will; typically, you pass what the previous call - * returned. of_node_put() will be called on it - * @name: The type string to match against - * - * Returns a node pointer with refcount incremented, use - * of_node_put() on it when done. - */ -struct device_node *of_find_node_by_type(struct device_node *from, - const char *type) -{ - struct device_node *np = from ? from->allnext : allnodes; - - for (; np != 0; np = np->allnext) - if (np->type != 0 && strcasecmp(np->type, type) == 0) - break; - if (from) - of_node_put(from); - return of_node_get(np); -} - -/** - * of_find_compatible_node - Find a node based on type and one of the - * tokens in it's "compatible" property - * @from: The node to start searching from or NULL, the node - * you pass will not be searched, only the next one - * will; typically, you pass what the previous call - * returned. of_node_put() will be called on it - * @type: The type string to match "device_type" or NULL to ignore - * @compatible: The string to match to one of the tokens in the device - * "compatible" list. - * - * Returns a node pointer with refcount incremented, use - * of_node_put() on it when done. - */ -struct device_node *of_find_compatible_node(struct device_node *from, - const char *type, const char *compatible) -{ - struct device_node *np = from ? from->allnext : allnodes; - - for (; np != 0; np = np->allnext) { - if (type != NULL - && !(np->type != 0 && strcasecmp(np->type, type) == 0)) - continue; - if (device_is_compatible(np, compatible)) - break; - } - if (from) - of_node_put(from); - return of_node_get(np); -} - -/** - * of_find_node_by_path - Find a node matching a full OF path - * @path: The full path to match - * - * Returns a node pointer with refcount incremented, use - * of_node_put() on it when done. - */ -struct device_node *of_find_node_by_path(const char *path) -{ - struct device_node *np = allnodes; - - for (; np != 0; np = np->allnext) - if (np->full_name != 0 && strcasecmp(np->full_name, path) == 0) - break; - return of_node_get(np); -} - -/** - * of_find_all_nodes - Get next node in global list - * @prev: Previous node or NULL to start iteration - * of_node_put() will be called on it - * - * Returns a node pointer with refcount incremented, use - * of_node_put() on it when done. - */ -struct device_node *of_find_all_nodes(struct device_node *prev) -{ - return of_node_get(prev ? prev->allnext : allnodes); -} - -/** - * of_get_parent - Get a node's parent if any - * @node: Node to get parent - * - * Returns a node pointer with refcount incremented, use - * of_node_put() on it when done. - */ -struct device_node *of_get_parent(const struct device_node *node) -{ - return node ? of_node_get(node->parent) : NULL; -} - -/** - * of_get_next_child - Iterate a node childs - * @node: parent node - * @prev: previous child of the parent node, or NULL to get first - * - * Returns a node pointer with refcount incremented, use - * of_node_put() on it when done. - */ -struct device_node *of_get_next_child(const struct device_node *node, - struct device_node *prev) -{ - struct device_node *next = prev ? prev->sibling : node->child; - - for (; next != 0; next = next->sibling) - if (of_node_get(next)) - break; - if (prev) - of_node_put(prev); - return next; -} - -/** - * of_node_get - Increment refcount of a node - * @node: Node to inc refcount, NULL is supported to - * simplify writing of callers - * - * Returns the node itself or NULL if gone. Current implementation - * does nothing as we don't yet do dynamic node allocation on ppc32 - */ -struct device_node *of_node_get(struct device_node *node) -{ - return node; -} - -/** - * of_node_put - Decrement refcount of a node - * @node: Node to dec refcount, NULL is supported to - * simplify writing of callers - * - * Current implementation does nothing as we don't yet do dynamic node - * allocation on ppc32 - */ -void of_node_put(struct device_node *node) -{ -} - -/* - * Find the device_node with a given phandle. - */ -static struct device_node * __init -find_phandle(phandle ph) -{ - struct device_node *np; - - for (np = allnodes; np != 0; np = np->allnext) - if (np->node == ph) - return np; - return NULL; -} - -/* - * Find a property with a given name for a given node - * and return the value. - */ -unsigned char * -get_property(struct device_node *np, const char *name, int *lenp) -{ - struct property *pp; - - for (pp = np->properties; pp != 0; pp = pp->next) - if (pp->name != NULL && strcmp(pp->name, name) == 0) { - if (lenp != 0) - *lenp = pp->length; - return pp->value; - } - return NULL; -} - -/* - * Add a property to a node - */ -int -prom_add_property(struct device_node* np, struct property* prop) -{ - struct property **next = &np->properties; - - prop->next = NULL; - while (*next) - next = &(*next)->next; - *next = prop; - - return 0; -} - -/* I quickly hacked that one, check against spec ! */ -static inline unsigned long -bus_space_to_resource_flags(unsigned int bus_space) -{ - u8 space = (bus_space >> 24) & 0xf; - if (space == 0) - space = 0x02; - if (space == 0x02) - return IORESOURCE_MEM; - else if (space == 0x01) - return IORESOURCE_IO; - else { - printk(KERN_WARNING "prom.c: bus_space_to_resource_flags(), space: %x\n", - bus_space); - return 0; - } -} - -static struct resource* -find_parent_pci_resource(struct pci_dev* pdev, struct address_range *range) -{ - unsigned long mask; - int i; - - /* Check this one */ - mask = bus_space_to_resource_flags(range->space); - for (i=0; i<DEVICE_COUNT_RESOURCE; i++) { - if ((pdev->resource[i].flags & mask) == mask && - pdev->resource[i].start <= range->address && - pdev->resource[i].end > range->address) { - if ((range->address + range->size - 1) > pdev->resource[i].end) { - /* Add better message */ - printk(KERN_WARNING "PCI/OF resource overlap !\n"); - return NULL; - } - break; - } - } - if (i == DEVICE_COUNT_RESOURCE) - return NULL; - return &pdev->resource[i]; -} - -/* - * Request an OF device resource. Currently handles child of PCI devices, - * or other nodes attached to the root node. Ultimately, put some - * link to resources in the OF node. - */ -struct resource* -request_OF_resource(struct device_node* node, int index, const char* name_postfix) -{ - struct pci_dev* pcidev; - u8 pci_bus, pci_devfn; - unsigned long iomask; - struct device_node* nd; - struct resource* parent; - struct resource *res = NULL; - int nlen, plen; - - if (index >= node->n_addrs) - goto fail; - - /* Sanity check on bus space */ - iomask = bus_space_to_resource_flags(node->addrs[index].space); - if (iomask & IORESOURCE_MEM) - parent = &iomem_resource; - else if (iomask & IORESOURCE_IO) - parent = &ioport_resource; - else - goto fail; - - /* Find a PCI parent if any */ - nd = node; - pcidev = NULL; - while(nd) { - if (!pci_device_from_OF_node(nd, &pci_bus, &pci_devfn)) - pcidev = pci_find_slot(pci_bus, pci_devfn); - if (pcidev) break; - nd = nd->parent; - } - if (pcidev) - parent = find_parent_pci_resource(pcidev, &node->addrs[index]); - if (!parent) { - printk(KERN_WARNING "request_OF_resource(%s), parent not found\n", - node->name); - goto fail; - } - - res = __request_region(parent, node->addrs[index].address, node->addrs[index].size, NULL); - if (!res) - goto fail; - nlen = strlen(node->name); - plen = name_postfix ? strlen(name_postfix) : 0; - res->name = (const char *)kmalloc(nlen+plen+1, GFP_KERNEL); - if (res->name) { - strcpy((char *)res->name, node->name); - if (plen) - strcpy((char *)res->name+nlen, name_postfix); - } - return res; -fail: - return NULL; -} - -int -release_OF_resource(struct device_node* node, int index) -{ - struct pci_dev* pcidev; - u8 pci_bus, pci_devfn; - unsigned long iomask, start, end; - struct device_node* nd; - struct resource* parent; - struct resource *res = NULL; - - if (index >= node->n_addrs) - return -EINVAL; - - /* Sanity check on bus space */ - iomask = bus_space_to_resource_flags(node->addrs[index].space); - if (iomask & IORESOURCE_MEM) - parent = &iomem_resource; - else if (iomask & IORESOURCE_IO) - parent = &ioport_resource; - else - return -EINVAL; - - /* Find a PCI parent if any */ - nd = node; - pcidev = NULL; - while(nd) { - if (!pci_device_from_OF_node(nd, &pci_bus, &pci_devfn)) - pcidev = pci_find_slot(pci_bus, pci_devfn); - if (pcidev) break; - nd = nd->parent; - } - if (pcidev) - parent = find_parent_pci_resource(pcidev, &node->addrs[index]); - if (!parent) { - printk(KERN_WARNING "release_OF_resource(%s), parent not found\n", - node->name); - return -ENODEV; - } - - /* Find us in the parent and its childs */ - res = parent->child; - start = node->addrs[index].address; - end = start + node->addrs[index].size - 1; - while (res) { - if (res->start == start && res->end == end && - (res->flags & IORESOURCE_BUSY)) - break; - if (res->start <= start && res->end >= end) - res = res->child; - else - res = res->sibling; - } - if (!res) - return -ENODEV; - - kfree(res->name); - res->name = NULL; - release_resource(res); - kfree(res); - - return 0; -} - -#if 0 -void -print_properties(struct device_node *np) -{ - struct property *pp; - char *cp; - int i, n; - - for (pp = np->properties; pp != 0; pp = pp->next) { - printk(KERN_INFO "%s", pp->name); - for (i = strlen(pp->name); i < 16; ++i) - printk(" "); - cp = (char *) pp->value; - for (i = pp->length; i > 0; --i, ++cp) - if ((i > 1 && (*cp < 0x20 || *cp > 0x7e)) - || (i == 1 && *cp != 0)) - break; - if (i == 0 && pp->length > 1) { - /* looks like a string */ - printk(" %s\n", (char *) pp->value); - } else { - /* dump it in hex */ - n = pp->length; - if (n > 64) - n = 64; - if (pp->length % 4 == 0) { - unsigned int *p = (unsigned int *) pp->value; - - n /= 4; - for (i = 0; i < n; ++i) { - if (i != 0 && (i % 4) == 0) - printk("\n "); - printk(" %08x", *p++); - } - } else { - unsigned char *bp = pp->value; - - for (i = 0; i < n; ++i) { - if (i != 0 && (i % 16) == 0) - printk("\n "); - printk(" %02x", *bp++); - } - } - printk("\n"); - if (pp->length > 64) - printk(" ... (length = %d)\n", - pp->length); - } - } -} -#endif - -static DEFINE_SPINLOCK(rtas_lock); - -/* this can be called after setup -- Cort */ -int -call_rtas(const char *service, int nargs, int nret, - unsigned long *outputs, ...) -{ - va_list list; - int i; - unsigned long s; - struct device_node *rtas; - int *tokp; - union { - unsigned long words[16]; - double align; - } u; - - rtas = find_devices("rtas"); - if (rtas == NULL) - return -1; - tokp = (int *) get_property(rtas, service, NULL); - if (tokp == NULL) { - printk(KERN_ERR "No RTAS service called %s\n", service); - return -1; - } - u.words[0] = *tokp; - u.words[1] = nargs; - u.words[2] = nret; - va_start(list, outputs); - for (i = 0; i < nargs; ++i) - u.words[i+3] = va_arg(list, unsigned long); - va_end(list); - - /* - * RTAS doesn't use floating point. - * Or at least, according to the CHRP spec we enter RTAS - * with FP disabled, and it doesn't change the FP registers. - * -- paulus. - */ - spin_lock_irqsave(&rtas_lock, s); - enter_rtas((void *)__pa(&u)); - spin_unlock_irqrestore(&rtas_lock, s); - - if (nret > 1 && outputs != NULL) - for (i = 0; i < nret-1; ++i) - outputs[i] = u.words[i+nargs+4]; - return u.words[nargs+3]; -} diff --git a/arch/ppc/syslib/prom_init.c b/arch/ppc/syslib/prom_init.c deleted file mode 100644 index df14422ae1c..00000000000 --- a/arch/ppc/syslib/prom_init.c +++ /dev/null @@ -1,1011 +0,0 @@ -/* - * Note that prom_init() and anything called from prom_init() - * may be running at an address that is different from the address - * that it was linked at. References to static data items are - * handled by compiling this file with -mrelocatable-lib. - */ - -#include <linux/config.h> -#include <linux/kernel.h> -#include <linux/string.h> -#include <linux/init.h> -#include <linux/threads.h> -#include <linux/spinlock.h> -#include <linux/ioport.h> -#include <linux/pci.h> -#include <linux/slab.h> -#include <linux/bitops.h> - -#include <asm/sections.h> -#include <asm/prom.h> -#include <asm/page.h> -#include <asm/irq.h> -#include <asm/io.h> -#include <asm/smp.h> -#include <asm/bootx.h> -#include <asm/system.h> -#include <asm/mmu.h> -#include <asm/pgtable.h> -#include <asm/bootinfo.h> -#include <asm/btext.h> -#include <asm/pci-bridge.h> -#include <asm/open_pic.h> -#include <asm/cacheflush.h> - -#ifdef CONFIG_LOGO_LINUX_CLUT224 -#include <linux/linux_logo.h> -extern const struct linux_logo logo_linux_clut224; -#endif - -/* - * Properties whose value is longer than this get excluded from our - * copy of the device tree. This way we don't waste space storing - * things like "driver,AAPL,MacOS,PowerPC" properties. But this value - * does need to be big enough to ensure that we don't lose things - * like the interrupt-map property on a PCI-PCI bridge. - */ -#define MAX_PROPERTY_LENGTH 4096 - -#ifndef FB_MAX /* avoid pulling in all of the fb stuff */ -#define FB_MAX 8 -#endif - -#define ALIGNUL(x) (((x) + sizeof(unsigned long)-1) & -sizeof(unsigned long)) - -typedef u32 prom_arg_t; - -struct prom_args { - const char *service; - int nargs; - int nret; - prom_arg_t args[10]; -}; - -struct pci_address { - unsigned a_hi; - unsigned a_mid; - unsigned a_lo; -}; - -struct pci_reg_property { - struct pci_address addr; - unsigned size_hi; - unsigned size_lo; -}; - -struct pci_range { - struct pci_address addr; - unsigned phys; - unsigned size_hi; - unsigned size_lo; -}; - -struct isa_reg_property { - unsigned space; - unsigned address; - unsigned size; -}; - -struct pci_intr_map { - struct pci_address addr; - unsigned dunno; - phandle int_ctrler; - unsigned intr; -}; - -static void prom_exit(void); -static int call_prom(const char *service, int nargs, int nret, ...); -static int call_prom_ret(const char *service, int nargs, int nret, - prom_arg_t *rets, ...); -static void prom_print_hex(unsigned int v); -static int prom_set_color(ihandle ih, int i, int r, int g, int b); -static int prom_next_node(phandle *nodep); -static unsigned long check_display(unsigned long mem); -static void setup_disp_fake_bi(ihandle dp); -static unsigned long copy_device_tree(unsigned long mem_start, - unsigned long mem_end); -static unsigned long inspect_node(phandle node, struct device_node *dad, - unsigned long mem_start, unsigned long mem_end, - struct device_node ***allnextpp); -static void prom_hold_cpus(unsigned long mem); -static void prom_instantiate_rtas(void); -static void * early_get_property(unsigned long base, unsigned long node, - char *prop); - -prom_entry prom __initdata; -ihandle prom_chosen __initdata; -ihandle prom_stdout __initdata; - -static char *prom_display_paths[FB_MAX] __initdata; -static phandle prom_display_nodes[FB_MAX] __initdata; -static unsigned int prom_num_displays __initdata; -static ihandle prom_disp_node __initdata; -char *of_stdout_device __initdata; - -unsigned int rtas_data; /* physical pointer */ -unsigned int rtas_entry; /* physical pointer */ -unsigned int rtas_size; -unsigned int old_rtas; - -boot_infos_t *boot_infos; -char *bootpath; -char *bootdevice; -struct device_node *allnodes; - -extern char *klimit; - -static void __init -prom_exit(void) -{ - struct prom_args args; - - args.service = "exit"; - args.nargs = 0; - args.nret = 0; - prom(&args); - for (;;) /* should never get here */ - ; -} - -static int __init -call_prom(const char *service, int nargs, int nret, ...) -{ - va_list list; - int i; - struct prom_args prom_args; - - prom_args.service = service; - prom_args.nargs = nargs; - prom_args.nret = nret; - va_start(list, nret); - for (i = 0; i < nargs; ++i) - prom_args.args[i] = va_arg(list, prom_arg_t); - va_end(list); - for (i = 0; i < nret; ++i) - prom_args.args[i + nargs] = 0; - prom(&prom_args); - return prom_args.args[nargs]; -} - -static int __init -call_prom_ret(const char *service, int nargs, int nret, prom_arg_t *rets, ...) -{ - va_list list; - int i; - struct prom_args prom_args; - - prom_args.service = service; - prom_args.nargs = nargs; - prom_args.nret = nret; - va_start(list, rets); - for (i = 0; i < nargs; ++i) - prom_args.args[i] = va_arg(list, int); - va_end(list); - for (i = 0; i < nret; ++i) - prom_args.args[i + nargs] = 0; - prom(&prom_args); - for (i = 1; i < nret; ++i) - rets[i-1] = prom_args.args[nargs + i]; - return prom_args.args[nargs]; -} - -void __init -prom_print(const char *msg) -{ - const char *p, *q; - - if (prom_stdout == 0) - return; - - for (p = msg; *p != 0; p = q) { - for (q = p; *q != 0 && *q != '\n'; ++q) - ; - if (q > p) - call_prom("write", 3, 1, prom_stdout, p, q - p); - if (*q != 0) { - ++q; - call_prom("write", 3, 1, prom_stdout, "\r\n", 2); - } - } -} - -static void __init -prom_print_hex(unsigned int v) -{ - char buf[16]; - int i, c; - - for (i = 0; i < 8; ++i) { - c = (v >> ((7-i)*4)) & 0xf; - c += (c >= 10)? ('a' - 10): '0'; - buf[i] = c; - } - buf[i] = ' '; - buf[i+1] = 0; - prom_print(buf); -} - -static int __init -prom_set_color(ihandle ih, int i, int r, int g, int b) -{ - return call_prom("call-method", 6, 1, "color!", ih, i, b, g, r); -} - -static int __init -prom_next_node(phandle *nodep) -{ - phandle node; - - if ((node = *nodep) != 0 - && (*nodep = call_prom("child", 1, 1, node)) != 0) - return 1; - if ((*nodep = call_prom("peer", 1, 1, node)) != 0) - return 1; - for (;;) { - if ((node = call_prom("parent", 1, 1, node)) == 0) - return 0; - if ((*nodep = call_prom("peer", 1, 1, node)) != 0) - return 1; - } -} - -#ifdef CONFIG_POWER4 -/* - * Set up a hash table with a set of entries in it to map the - * first 64MB of RAM. This is used on 64-bit machines since - * some of them don't have BATs. - */ - -static inline void make_pte(unsigned long htab, unsigned int hsize, - unsigned int va, unsigned int pa, int mode) -{ - unsigned int *pteg; - unsigned int hash, i, vsid; - - vsid = ((va >> 28) * 0x111) << 12; - hash = ((va ^ vsid) >> 5) & 0x7fff80; - pteg = (unsigned int *)(htab + (hash & (hsize - 1))); - for (i = 0; i < 8; ++i, pteg += 4) { - if ((pteg[1] & 1) == 0) { - pteg[1] = vsid | ((va >> 16) & 0xf80) | 1; - pteg[3] = pa | mode; - break; - } - } -} - -extern unsigned long _SDR1; -extern PTE *Hash; -extern unsigned long Hash_size; - -static void __init -prom_alloc_htab(void) -{ - unsigned int hsize; - unsigned long htab; - unsigned int addr; - - /* - * Because of OF bugs we can't use the "claim" client - * interface to allocate memory for the hash table. - * This code is only used on 64-bit PPCs, and the only - * 64-bit PPCs at the moment are RS/6000s, and their - * OF is based at 0xc00000 (the 12M point), so we just - * arbitrarily use the 0x800000 - 0xc00000 region for the - * hash table. - * -- paulus. - */ - hsize = 4 << 20; /* POWER4 has no BATs */ - htab = (8 << 20); - call_prom("claim", 3, 1, htab, hsize, 0); - Hash = (void *)(htab + KERNELBASE); - Hash_size = hsize; - _SDR1 = htab + __ilog2(hsize) - 18; - - /* - * Put in PTEs for the first 64MB of RAM - */ - memset((void *)htab, 0, hsize); - for (addr = 0; addr < 0x4000000; addr += 0x1000) - make_pte(htab, hsize, addr + KERNELBASE, addr, - _PAGE_ACCESSED | _PAGE_COHERENT | PP_RWXX); -#if 0 /* DEBUG stuff mapping the SCC */ - make_pte(htab, hsize, 0x80013000, 0x80013000, - _PAGE_ACCESSED | _PAGE_NO_CACHE | _PAGE_GUARDED | PP_RWXX); -#endif -} -#endif /* CONFIG_POWER4 */ - - -/* - * If we have a display that we don't know how to drive, - * we will want to try to execute OF's open method for it - * later. However, OF will probably fall over if we do that - * we've taken over the MMU. - * So we check whether we will need to open the display, - * and if so, open it now. - */ -static unsigned long __init -check_display(unsigned long mem) -{ - phandle node; - ihandle ih; - int i, j; - char type[16], *path; - static unsigned char default_colors[] = { - 0x00, 0x00, 0x00, - 0x00, 0x00, 0xaa, - 0x00, 0xaa, 0x00, - 0x00, 0xaa, 0xaa, - 0xaa, 0x00, 0x00, - 0xaa, 0x00, 0xaa, - 0xaa, 0xaa, 0x00, - 0xaa, 0xaa, 0xaa, - 0x55, 0x55, 0x55, - 0x55, 0x55, 0xff, - 0x55, 0xff, 0x55, - 0x55, 0xff, 0xff, - 0xff, 0x55, 0x55, - 0xff, 0x55, 0xff, - 0xff, 0xff, 0x55, - 0xff, 0xff, 0xff - }; - const unsigned char *clut; - - prom_disp_node = 0; - - for (node = 0; prom_next_node(&node); ) { - type[0] = 0; - call_prom("getprop", 4, 1, node, "device_type", - type, sizeof(type)); - if (strcmp(type, "display") != 0) - continue; - /* It seems OF doesn't null-terminate the path :-( */ - path = (char *) mem; - memset(path, 0, 256); - if (call_prom("package-to-path", 3, 1, node, path, 255) < 0) - continue; - - /* - * If this display is the device that OF is using for stdout, - * move it to the front of the list. - */ - mem += strlen(path) + 1; - i = prom_num_displays++; - if (of_stdout_device != 0 && i > 0 - && strcmp(of_stdout_device, path) == 0) { - for (; i > 0; --i) { - prom_display_paths[i] - = prom_display_paths[i-1]; - prom_display_nodes[i] - = prom_display_nodes[i-1]; - } - } - prom_display_paths[i] = path; - prom_display_nodes[i] = node; - if (i == 0) - prom_disp_node = node; - if (prom_num_displays >= FB_MAX) - break; - } - - for (j=0; j<prom_num_displays; j++) { - path = prom_display_paths[j]; - node = prom_display_nodes[j]; - prom_print("opening display "); - prom_print(path); - ih = call_prom("open", 1, 1, path); - if (ih == 0 || ih == (ihandle) -1) { - prom_print("... failed\n"); - for (i=j+1; i<prom_num_displays; i++) { - prom_display_paths[i-1] = prom_display_paths[i]; - prom_display_nodes[i-1] = prom_display_nodes[i]; - } - if (--prom_num_displays > 0) { - prom_disp_node = prom_display_nodes[j]; - j--; - } else - prom_disp_node = 0; - continue; - } else { - prom_print("... ok\n"); - call_prom("setprop", 4, 1, node, "linux,opened", 0, 0); - - /* - * Setup a usable color table when the appropriate - * method is available. - * Should update this to use set-colors. - */ - clut = default_colors; - for (i = 0; i < 32; i++, clut += 3) - if (prom_set_color(ih, i, clut[0], clut[1], - clut[2]) != 0) - break; - -#ifdef CONFIG_LOGO_LINUX_CLUT224 - clut = PTRRELOC(logo_linux_clut224.clut); - for (i = 0; i < logo_linux_clut224.clutsize; - i++, clut += 3) - if (prom_set_color(ih, i + 32, clut[0], - clut[1], clut[2]) != 0) - break; -#endif /* CONFIG_LOGO_LINUX_CLUT224 */ - } - } - - if (prom_stdout) { - phandle p; - p = call_prom("instance-to-package", 1, 1, prom_stdout); - if (p && p != -1) { - type[0] = 0; - call_prom("getprop", 4, 1, p, "device_type", - type, sizeof(type)); - if (strcmp(type, "display") == 0) - call_prom("setprop", 4, 1, p, "linux,boot-display", - 0, 0); - } - } - - return ALIGNUL(mem); -} - -/* This function will enable the early boot text when doing OF booting. This - * way, xmon output should work too - */ -static void __init -setup_disp_fake_bi(ihandle dp) -{ -#ifdef CONFIG_BOOTX_TEXT - int width = 640, height = 480, depth = 8, pitch; - unsigned address; - struct pci_reg_property addrs[8]; - int i, naddrs; - char name[32]; - char *getprop = "getprop"; - - prom_print("Initializing fake screen: "); - - memset(name, 0, sizeof(name)); - call_prom(getprop, 4, 1, dp, "name", name, sizeof(name)); - name[sizeof(name)-1] = 0; - prom_print(name); - prom_print("\n"); - call_prom(getprop, 4, 1, dp, "width", &width, sizeof(width)); - call_prom(getprop, 4, 1, dp, "height", &height, sizeof(height)); - call_prom(getprop, 4, 1, dp, "depth", &depth, sizeof(depth)); - pitch = width * ((depth + 7) / 8); - call_prom(getprop, 4, 1, dp, "linebytes", - &pitch, sizeof(pitch)); - if (pitch == 1) - pitch = 0x1000; /* for strange IBM display */ - address = 0; - call_prom(getprop, 4, 1, dp, "address", - &address, sizeof(address)); - if (address == 0) { - /* look for an assigned address with a size of >= 1MB */ - naddrs = call_prom(getprop, 4, 1, dp, "assigned-addresses", - addrs, sizeof(addrs)); - naddrs /= sizeof(struct pci_reg_property); - for (i = 0; i < naddrs; ++i) { - if (addrs[i].size_lo >= (1 << 20)) { - address = addrs[i].addr.a_lo; - /* use the BE aperture if possible */ - if (addrs[i].size_lo >= (16 << 20)) - address += (8 << 20); - break; - } - } - if (address == 0) { - prom_print("Failed to get address\n"); - return; - } - } - /* kludge for valkyrie */ - if (strcmp(name, "valkyrie") == 0) - address += 0x1000; - -#ifdef CONFIG_POWER4 -#if CONFIG_TASK_SIZE > 0x80000000 -#error CONFIG_TASK_SIZE cannot be above 0x80000000 with BOOTX_TEXT on G5 -#endif - { - extern boot_infos_t disp_bi; - unsigned long va, pa, i, offset; - va = 0x90000000; - pa = address & 0xfffff000ul; - offset = address & 0x00000fff; - - for (i=0; i<0x4000; i++) { - make_pte((unsigned long)Hash - KERNELBASE, Hash_size, va, pa, - _PAGE_ACCESSED | _PAGE_NO_CACHE | - _PAGE_GUARDED | PP_RWXX); - va += 0x1000; - pa += 0x1000; - } - btext_setup_display(width, height, depth, pitch, 0x90000000 | offset); - disp_bi.dispDeviceBase = (u8 *)address; - } -#else /* CONFIG_POWER4 */ - btext_setup_display(width, height, depth, pitch, address); - btext_prepare_BAT(); -#endif /* CONFIG_POWER4 */ -#endif /* CONFIG_BOOTX_TEXT */ -} - -/* - * Make a copy of the device tree from the PROM. - */ -static unsigned long __init -copy_device_tree(unsigned long mem_start, unsigned long mem_end) -{ - phandle root; - unsigned long new_start; - struct device_node **allnextp; - - root = call_prom("peer", 1, 1, (phandle)0); - if (root == (phandle)0) { - prom_print("couldn't get device tree root\n"); - prom_exit(); - } - allnextp = &allnodes; - mem_start = ALIGNUL(mem_start); - new_start = inspect_node(root, NULL, mem_start, mem_end, &allnextp); - *allnextp = NULL; - return new_start; -} - -static unsigned long __init -inspect_node(phandle node, struct device_node *dad, - unsigned long mem_start, unsigned long mem_end, - struct device_node ***allnextpp) -{ - int l; - phandle child; - struct device_node *np; - struct property *pp, **prev_propp; - char *prev_name, *namep; - unsigned char *valp; - - np = (struct device_node *) mem_start; - mem_start += sizeof(struct device_node); - memset(np, 0, sizeof(*np)); - np->node = node; - **allnextpp = PTRUNRELOC(np); - *allnextpp = &np->allnext; - if (dad != 0) { - np->parent = PTRUNRELOC(dad); - /* we temporarily use the `next' field as `last_child'. */ - if (dad->next == 0) - dad->child = PTRUNRELOC(np); - else - dad->next->sibling = PTRUNRELOC(np); - dad->next = np; - } - - /* get and store all properties */ - prev_propp = &np->properties; - prev_name = ""; - for (;;) { - pp = (struct property *) mem_start; - namep = (char *) (pp + 1); - pp->name = PTRUNRELOC(namep); - if (call_prom("nextprop", 3, 1, node, prev_name, namep) <= 0) - break; - mem_start = ALIGNUL((unsigned long)namep + strlen(namep) + 1); - prev_name = namep; - valp = (unsigned char *) mem_start; - pp->value = PTRUNRELOC(valp); - pp->length = call_prom("getprop", 4, 1, node, namep, - valp, mem_end - mem_start); - if (pp->length < 0) - continue; -#ifdef MAX_PROPERTY_LENGTH - if (pp->length > MAX_PROPERTY_LENGTH) - continue; /* ignore this property */ -#endif - mem_start = ALIGNUL(mem_start + pp->length); - *prev_propp = PTRUNRELOC(pp); - prev_propp = &pp->next; - } - if (np->node != 0) { - /* Add a "linux,phandle" property" */ - pp = (struct property *) mem_start; - *prev_propp = PTRUNRELOC(pp); - prev_propp = &pp->next; - namep = (char *) (pp + 1); - pp->name = PTRUNRELOC(namep); - strcpy(namep, "linux,phandle"); - mem_start = ALIGNUL((unsigned long)namep + strlen(namep) + 1); - pp->value = (unsigned char *) PTRUNRELOC(&np->node); - pp->length = sizeof(np->node); - } - *prev_propp = NULL; - - /* get the node's full name */ - l = call_prom("package-to-path", 3, 1, node, - mem_start, mem_end - mem_start); - if (l >= 0) { - char *p, *ep; - - np->full_name = PTRUNRELOC((char *) mem_start); - *(char *)(mem_start + l) = 0; - /* Fixup an Apple bug where they have bogus \0 chars in the - * middle of the path in some properties - */ - for (p = (char *)mem_start, ep = p + l; p < ep; p++) - if ((*p) == '\0') { - memmove(p, p+1, ep - p); - ep--; - } - mem_start = ALIGNUL(mem_start + l + 1); - } - - /* do all our children */ - child = call_prom("child", 1, 1, node); - while (child != 0) { - mem_start = inspect_node(child, np, mem_start, mem_end, - allnextpp); - child = call_prom("peer", 1, 1, child); - } - - return mem_start; -} - -unsigned long smp_chrp_cpu_nr __initdata = 0; - -/* - * With CHRP SMP we need to use the OF to start the other - * processors so we can't wait until smp_boot_cpus (the OF is - * trashed by then) so we have to put the processors into - * a holding pattern controlled by the kernel (not OF) before - * we destroy the OF. - * - * This uses a chunk of high memory, puts some holding pattern - * code there and sends the other processors off to there until - * smp_boot_cpus tells them to do something. We do that by using - * physical address 0x0. The holding pattern checks that address - * until its cpu # is there, when it is that cpu jumps to - * __secondary_start(). smp_boot_cpus() takes care of setting those - * values. - * - * We also use physical address 0x4 here to tell when a cpu - * is in its holding pattern code. - * - * -- Cort - * - * Note that we have to do this if we have more than one CPU, - * even if this is a UP kernel. Otherwise when we trash OF - * the other CPUs will start executing some random instructions - * and crash the system. -- paulus - */ -static void __init -prom_hold_cpus(unsigned long mem) -{ - extern void __secondary_hold(void); - unsigned long i; - int cpu; - phandle node; - char type[16], *path; - unsigned int reg; - - /* - * XXX: hack to make sure we're chrp, assume that if we're - * chrp we have a device_type property -- Cort - */ - node = call_prom("finddevice", 1, 1, "/"); - if (call_prom("getprop", 4, 1, node, - "device_type", type, sizeof(type)) <= 0) - return; - - /* copy the holding pattern code to someplace safe (0) */ - /* the holding pattern is now within the first 0x100 - bytes of the kernel image -- paulus */ - memcpy((void *)0, _stext, 0x100); - flush_icache_range(0, 0x100); - - /* look for cpus */ - *(unsigned long *)(0x0) = 0; - asm volatile("dcbf 0,%0": : "r" (0) : "memory"); - for (node = 0; prom_next_node(&node); ) { - type[0] = 0; - call_prom("getprop", 4, 1, node, "device_type", - type, sizeof(type)); - if (strcmp(type, "cpu") != 0) - continue; - path = (char *) mem; - memset(path, 0, 256); - if (call_prom("package-to-path", 3, 1, node, path, 255) < 0) - continue; - reg = -1; - call_prom("getprop", 4, 1, node, "reg", ®, sizeof(reg)); - cpu = smp_chrp_cpu_nr++; -#ifdef CONFIG_SMP - smp_hw_index[cpu] = reg; -#endif /* CONFIG_SMP */ - /* XXX: hack - don't start cpu 0, this cpu -- Cort */ - if (cpu == 0) - continue; - prom_print("starting cpu "); - prom_print(path); - *(ulong *)(0x4) = 0; - call_prom("start-cpu", 3, 0, node, - (char *)__secondary_hold - _stext, cpu); - prom_print("..."); - for ( i = 0 ; (i < 10000) && (*(ulong *)(0x4) == 0); i++ ) - ; - if (*(ulong *)(0x4) == cpu) - prom_print("ok\n"); - else { - prom_print("failed: "); - prom_print_hex(*(ulong *)0x4); - prom_print("\n"); - } - } -} - -static void __init -prom_instantiate_rtas(void) -{ - ihandle prom_rtas; - prom_arg_t result; - - prom_rtas = call_prom("finddevice", 1, 1, "/rtas"); - if (prom_rtas == -1) - return; - - rtas_size = 0; - call_prom("getprop", 4, 1, prom_rtas, - "rtas-size", &rtas_size, sizeof(rtas_size)); - prom_print("instantiating rtas"); - if (rtas_size == 0) { - rtas_data = 0; - } else { - /* - * Ask OF for some space for RTAS. - * Actually OF has bugs so we just arbitrarily - * use memory at the 6MB point. - */ - rtas_data = 6 << 20; - prom_print(" at "); - prom_print_hex(rtas_data); - } - - prom_rtas = call_prom("open", 1, 1, "/rtas"); - prom_print("..."); - rtas_entry = 0; - if (call_prom_ret("call-method", 3, 2, &result, - "instantiate-rtas", prom_rtas, rtas_data) == 0) - rtas_entry = result; - if ((rtas_entry == -1) || (rtas_entry == 0)) - prom_print(" failed\n"); - else - prom_print(" done\n"); -} - -/* - * We enter here early on, when the Open Firmware prom is still - * handling exceptions and the MMU hash table for us. - */ -unsigned long __init -prom_init(int r3, int r4, prom_entry pp) -{ - unsigned long mem; - ihandle prom_mmu; - unsigned long offset = reloc_offset(); - int i, l; - char *p, *d; - unsigned long phys; - prom_arg_t result[3]; - char model[32]; - phandle node; - int rc; - - /* Default */ - phys = (unsigned long) &_stext; - - /* First get a handle for the stdout device */ - prom = pp; - prom_chosen = call_prom("finddevice", 1, 1, "/chosen"); - if (prom_chosen == -1) - prom_exit(); - if (call_prom("getprop", 4, 1, prom_chosen, "stdout", - &prom_stdout, sizeof(prom_stdout)) <= 0) - prom_exit(); - - /* Get the full OF pathname of the stdout device */ - mem = (unsigned long) klimit + offset; - p = (char *) mem; - memset(p, 0, 256); - call_prom("instance-to-path", 3, 1, prom_stdout, p, 255); - of_stdout_device = p; - mem += strlen(p) + 1; - - /* Get the boot device and translate it to a full OF pathname. */ - p = (char *) mem; - l = call_prom("getprop", 4, 1, prom_chosen, "bootpath", p, 1<<20); - if (l > 0) { - p[l] = 0; /* should already be null-terminated */ - bootpath = PTRUNRELOC(p); - mem += l + 1; - d = (char *) mem; - *d = 0; - call_prom("canon", 3, 1, p, d, 1<<20); - bootdevice = PTRUNRELOC(d); - mem = ALIGNUL(mem + strlen(d) + 1); - } - - prom_instantiate_rtas(); - -#ifdef CONFIG_POWER4 - /* - * Find out how much memory we have and allocate a - * suitably-sized hash table. - */ - prom_alloc_htab(); -#endif - mem = check_display(mem); - - prom_print("copying OF device tree..."); - mem = copy_device_tree(mem, mem + (1<<20)); - prom_print("done\n"); - - prom_hold_cpus(mem); - - klimit = (char *) (mem - offset); - - node = call_prom("finddevice", 1, 1, "/"); - rc = call_prom("getprop", 4, 1, node, "model", model, sizeof(model)); - if (rc > 0 && !strncmp (model, "Pegasos", 7) - && strncmp (model, "Pegasos2", 8)) { - /* Pegasos 1 has a broken translate method in the OF, - * and furthermore the BATs are mapped 1:1 so the phys - * address calculated above is correct, so let's use - * it directly. - */ - } else if (offset == 0) { - /* If we are already running at 0xc0000000, we assume we were - * loaded by an OF bootloader which did set a BAT for us. - * This breaks OF translate so we force phys to be 0. - */ - prom_print("(already at 0xc0000000) phys=0\n"); - phys = 0; - } else if (call_prom("getprop", 4, 1, prom_chosen, "mmu", - &prom_mmu, sizeof(prom_mmu)) <= 0) { - prom_print(" no MMU found\n"); - } else if (call_prom_ret("call-method", 4, 4, result, "translate", - prom_mmu, &_stext, 1) != 0) { - prom_print(" (translate failed)\n"); - } else { - /* We assume the phys. address size is 3 cells */ - phys = result[2]; - } - - if (prom_disp_node != 0) - setup_disp_fake_bi(prom_disp_node); - - /* Use quiesce call to get OF to shut down any devices it's using */ - prom_print("Calling quiesce ...\n"); - call_prom("quiesce", 0, 0); - - /* Relocate various pointers which will be used once the - kernel is running at the address it was linked at. */ - for (i = 0; i < prom_num_displays; ++i) - prom_display_paths[i] = PTRUNRELOC(prom_display_paths[i]); - -#ifdef CONFIG_SERIAL_CORE_CONSOLE - /* Relocate the of stdout for console autodetection */ - of_stdout_device = PTRUNRELOC(of_stdout_device); -#endif - - prom_print("returning 0x"); - prom_print_hex(phys); - prom_print("from prom_init\n"); - prom_stdout = 0; - - return phys; -} - -/* - * early_get_property is used to access the device tree image prepared - * by BootX very early on, before the pointers in it have been relocated. - */ -static void * __init -early_get_property(unsigned long base, unsigned long node, char *prop) -{ - struct device_node *np = (struct device_node *)(base + node); - struct property *pp; - - for (pp = np->properties; pp != 0; pp = pp->next) { - pp = (struct property *) (base + (unsigned long)pp); - if (strcmp((char *)((unsigned long)pp->name + base), - prop) == 0) { - return (void *)((unsigned long)pp->value + base); - } - } - return NULL; -} - -/* Is boot-info compatible ? */ -#define BOOT_INFO_IS_COMPATIBLE(bi) ((bi)->compatible_version <= BOOT_INFO_VERSION) -#define BOOT_INFO_IS_V2_COMPATIBLE(bi) ((bi)->version >= 2) -#define BOOT_INFO_IS_V4_COMPATIBLE(bi) ((bi)->version >= 4) - -void __init -bootx_init(unsigned long r4, unsigned long phys) -{ - boot_infos_t *bi = (boot_infos_t *) r4; - unsigned long space; - unsigned long ptr, x; - char *model; - - boot_infos = PTRUNRELOC(bi); - if (!BOOT_INFO_IS_V2_COMPATIBLE(bi)) - bi->logicalDisplayBase = NULL; - -#ifdef CONFIG_BOOTX_TEXT - btext_init(bi); - - /* - * Test if boot-info is compatible. Done only in config - * CONFIG_BOOTX_TEXT since there is nothing much we can do - * with an incompatible version, except display a message - * and eventually hang the processor... - * - * I'll try to keep enough of boot-info compatible in the - * future to always allow display of this message; - */ - if (!BOOT_INFO_IS_COMPATIBLE(bi)) { - btext_drawstring(" !!! WARNING - Incompatible version of BootX !!!\n\n\n"); - btext_flushscreen(); - } -#endif /* CONFIG_BOOTX_TEXT */ - - /* New BootX enters kernel with MMU off, i/os are not allowed - here. This hack will have been done by the boostrap anyway. - */ - if (bi->version < 4) { - /* - * XXX If this is an iMac, turn off the USB controller. - */ - model = (char *) early_get_property - (r4 + bi->deviceTreeOffset, 4, "model"); - if (model - && (strcmp(model, "iMac,1") == 0 - || strcmp(model, "PowerMac1,1") == 0)) { - out_le32((unsigned *)0x80880008, 1); /* XXX */ - } - } - - /* Move klimit to enclose device tree, args, ramdisk, etc... */ - if (bi->version < 5) { - space = bi->deviceTreeOffset + bi->deviceTreeSize; - if (bi->ramDisk) - space = bi->ramDisk + bi->ramDiskSize; - } else - space = bi->totalParamsSize; - klimit = PTRUNRELOC((char *) bi + space); - - /* New BootX will have flushed all TLBs and enters kernel with - MMU switched OFF, so this should not be useful anymore. - */ - if (bi->version < 4) { - /* - * Touch each page to make sure the PTEs for them - * are in the hash table - the aim is to try to avoid - * getting DSI exceptions while copying the kernel image. - */ - for (ptr = ((unsigned long) &_stext) & PAGE_MASK; - ptr < (unsigned long)bi + space; ptr += PAGE_SIZE) - x = *(volatile unsigned long *)ptr; - } - -#ifdef CONFIG_BOOTX_TEXT - /* - * Note that after we call btext_prepare_BAT, we can't do - * prom_draw*, flushscreen or clearscreen until we turn the MMU - * on, since btext_prepare_BAT sets disp_bi.logicalDisplayBase - * to a virtual address. - */ - btext_prepare_BAT(); -#endif -} diff --git a/arch/ppc/xmon/start.c b/arch/ppc/xmon/start.c index ff86b2d814c..cfc2d6ad464 100644 --- a/arch/ppc/xmon/start.c +++ b/arch/ppc/xmon/start.c @@ -58,7 +58,7 @@ static struct sysrq_key_op sysrq_xmon_op = void xmon_map_scc(void) { -#ifdef CONFIG_PPC_MULTIPLATFORM +#ifdef CONFIG_PPC_PREP volatile unsigned char *base; #elif defined(CONFIG_GEMINI) diff --git a/arch/um/kernel/smp.c b/arch/um/kernel/smp.c index c8d8d0ac1a7..511116aebaf 100644 --- a/arch/um/kernel/smp.c +++ b/arch/um/kernel/smp.c @@ -143,7 +143,6 @@ void smp_prepare_cpus(unsigned int maxcpus) idle = idle_thread(cpu); init_idle(idle, cpu); - unhash_process(idle); waittime = 200000000; while (waittime-- && !cpu_isset(cpu, cpu_callin_map)) diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig index 73d30bf0158..889cad07774 100644 --- a/drivers/char/Kconfig +++ b/drivers/char/Kconfig @@ -561,14 +561,31 @@ config TIPAR If unsure, say N. +config HVC_DRIVER + bool + help + Users of pSeries machines that want to utilize the hvc console front-end + module for their backend console driver should select this option. + It will automatically be selected if one of the back-end console drivers + is selected. + + config HVC_CONSOLE bool "pSeries Hypervisor Virtual Console support" depends on PPC_PSERIES + select HVC_DRIVER help pSeries machines when partitioned support a hypervisor virtual console. This driver allows each pSeries partition to have a console which is accessed via the HMC. +config HVC_RTAS + bool "IBM RTAS Console support" + depends on PPC_RTAS + select HVC_DRIVER + help + IBM Console device driver which makes use of RTAS + config HVCS tristate "IBM Hypervisor Virtual Console Server support" depends on PPC_PSERIES diff --git a/drivers/char/Makefile b/drivers/char/Makefile index b2a11245fa9..a73cb495692 100644 --- a/drivers/char/Makefile +++ b/drivers/char/Makefile @@ -41,7 +41,9 @@ obj-$(CONFIG_N_HDLC) += n_hdlc.o obj-$(CONFIG_AMIGA_BUILTIN_SERIAL) += amiserial.o obj-$(CONFIG_SX) += sx.o generic_serial.o obj-$(CONFIG_RIO) += rio/ generic_serial.o -obj-$(CONFIG_HVC_CONSOLE) += hvc_console.o hvc_vio.o hvsi.o +obj-$(CONFIG_HVC_DRIVER) += hvc_console.o +obj-$(CONFIG_HVC_CONSOLE) += hvc_vio.o hvsi.o +obj-$(CONFIG_HVC_RTAS) += hvc_rtas.o obj-$(CONFIG_RAW_DRIVER) += raw.o obj-$(CONFIG_SGI_SNSC) += snsc.o snsc_event.o obj-$(CONFIG_MMTIMER) += mmtimer.o diff --git a/drivers/char/generic_nvram.c b/drivers/char/generic_nvram.c index 1b5e01e6e12..43ff5981651 100644 --- a/drivers/char/generic_nvram.c +++ b/drivers/char/generic_nvram.c @@ -22,6 +22,9 @@ #include <linux/smp_lock.h> #include <asm/uaccess.h> #include <asm/nvram.h> +#ifdef CONFIG_PPC_PMAC +#include <asm/machdep.h> +#endif #define NVRAM_SIZE 8192 @@ -92,7 +95,7 @@ static int nvram_ioctl(struct inode *inode, struct file *file, case IOC_NVRAM_GET_OFFSET: { int part, offset; - if (_machine != _MACH_Pmac) + if (!machine_is(powermac)) return -EINVAL; if (copy_from_user(&part, (void __user*)arg, sizeof(part)) != 0) return -EFAULT; diff --git a/drivers/char/hvc_console.c b/drivers/char/hvc_console.c index f65b2e14a48..2b6a56b2bf3 100644 --- a/drivers/char/hvc_console.c +++ b/drivers/char/hvc_console.c @@ -39,8 +39,10 @@ #include <linux/sched.h> #include <linux/spinlock.h> #include <linux/delay.h> + #include <asm/uaccess.h> -#include <asm/hvconsole.h> + +#include "hvc_console.h" #define HVC_MAJOR 229 #define HVC_MINOR 0 @@ -54,17 +56,14 @@ #define HVC_CLOSE_WAIT (HZ/100) /* 1/10 of a second */ /* - * The Linux TTY code does not support dynamic addition of tty derived devices - * so we need to know how many tty devices we might need when space is allocated - * for the tty device. Since this driver supports hotplug of vty adapters we - * need to make sure we have enough allocated. + * These sizes are most efficient for vio, because they are the + * native transfer size. We could make them selectable in the + * future to better deal with backends that want other buffer sizes. */ -#define HVC_ALLOC_TTY_ADAPTERS 8 - #define N_OUTBUF 16 #define N_INBUF 16 -#define __ALIGNED__ __attribute__((__aligned__(8))) +#define __ALIGNED__ __attribute__((__aligned__(sizeof(long)))) static struct tty_driver *hvc_driver; static struct task_struct *hvc_task; @@ -154,7 +153,7 @@ static uint32_t vtermnos[MAX_NR_HVC_CONSOLES] = void hvc_console_print(struct console *co, const char *b, unsigned count) { - char c[16] __ALIGNED__; + char c[N_OUTBUF] __ALIGNED__; unsigned i = 0, n = 0; int r, donecr = 0, index = co->index; @@ -473,8 +472,10 @@ static void hvc_push(struct hvc_struct *hp) n = hp->ops->put_chars(hp->vtermno, hp->outbuf, hp->n_outbuf); if (n <= 0) { - if (n == 0) + if (n == 0) { + hp->do_wakeup = 1; return; + } /* throw away output on error; this happens when there is no session connected to the vterm. */ hp->n_outbuf = 0; @@ -486,12 +487,19 @@ static void hvc_push(struct hvc_struct *hp) hp->do_wakeup = 1; } -static inline int __hvc_write_kernel(struct hvc_struct *hp, - const unsigned char *buf, int count) +static int hvc_write(struct tty_struct *tty, const unsigned char *buf, int count) { + struct hvc_struct *hp = tty->driver_data; unsigned long flags; int rsize, written = 0; + /* This write was probably executed during a tty close. */ + if (!hp) + return -EPIPE; + + if (hp->count <= 0) + return -EIO; + spin_lock_irqsave(&hp->lock, flags); /* Push pending writes */ @@ -510,26 +518,8 @@ static inline int __hvc_write_kernel(struct hvc_struct *hp, } spin_unlock_irqrestore(&hp->lock, flags); - return written; -} -static int hvc_write(struct tty_struct *tty, const unsigned char *buf, int count) -{ - struct hvc_struct *hp = tty->driver_data; - int written; - - /* This write was probably executed during a tty close. */ - if (!hp) - return -EPIPE; - - if (hp->count <= 0) - return -EIO; - - written = __hvc_write_kernel(hp, buf, count); - /* * Racy, but harmless, kick thread if there is still pending data. - * There really is nothing wrong with kicking the thread, even if there - * is no buffered data. */ if (hp->n_outbuf) hvc_kick(); @@ -614,6 +604,13 @@ static int hvc_poll(struct hvc_struct *hp) spin_unlock_irqrestore(&hp->lock, flags); tty_hangup(tty); spin_lock_irqsave(&hp->lock, flags); + } else if ( n == -EAGAIN ) { + /* + * Some back-ends can only ensure a certain min + * num of bytes read, which may be > 'count'. + * Let the tty clear the flip buff to make room. + */ + poll_mask |= HVC_POLL_READ; } break; } @@ -635,16 +632,7 @@ static int hvc_poll(struct hvc_struct *hp) tty_insert_flip_char(tty, buf[i], 0); } - /* - * Account for the total amount read in one loop, and if above - * 64 bytes, we do a quick schedule loop to let the tty grok - * the data and eventually throttle us. - */ read_total += n; - if (read_total >= 64) { - poll_mask |= HVC_POLL_QUICK; - break; - } } throttled: /* Wakeup write queue if necessary */ @@ -767,7 +755,8 @@ struct hvc_struct __devinit *hvc_alloc(uint32_t vtermno, int irq, * see if this vterm id matches one registered for console. */ for (i=0; i < MAX_NR_HVC_CONSOLES; i++) - if (vtermnos[i] == hp->vtermno) + if (vtermnos[i] == hp->vtermno && + cons_ops[i] == hp->ops) break; /* no matching slot, just use a counter */ @@ -823,34 +812,38 @@ EXPORT_SYMBOL(hvc_remove); * interfaces start to become available. */ int __init hvc_init(void) { + struct tty_driver *drv; + /* We need more than hvc_count adapters due to hotplug additions. */ - hvc_driver = alloc_tty_driver(HVC_ALLOC_TTY_ADAPTERS); - if (!hvc_driver) + drv = alloc_tty_driver(HVC_ALLOC_TTY_ADAPTERS); + if (!drv) return -ENOMEM; - hvc_driver->owner = THIS_MODULE; - hvc_driver->devfs_name = "hvc/"; - hvc_driver->driver_name = "hvc"; - hvc_driver->name = "hvc"; - hvc_driver->major = HVC_MAJOR; - hvc_driver->minor_start = HVC_MINOR; - hvc_driver->type = TTY_DRIVER_TYPE_SYSTEM; - hvc_driver->init_termios = tty_std_termios; - hvc_driver->flags = TTY_DRIVER_REAL_RAW; - tty_set_operations(hvc_driver, &hvc_ops); + drv->owner = THIS_MODULE; + drv->devfs_name = "hvc/"; + drv->driver_name = "hvc"; + drv->name = "hvc"; + drv->major = HVC_MAJOR; + drv->minor_start = HVC_MINOR; + drv->type = TTY_DRIVER_TYPE_SYSTEM; + drv->init_termios = tty_std_termios; + drv->flags = TTY_DRIVER_REAL_RAW; + tty_set_operations(drv, &hvc_ops); /* Always start the kthread because there can be hotplug vty adapters * added later. */ hvc_task = kthread_run(khvcd, NULL, "khvcd"); if (IS_ERR(hvc_task)) { panic("Couldn't create kthread for console.\n"); - put_tty_driver(hvc_driver); + put_tty_driver(drv); return -EIO; } - if (tty_register_driver(hvc_driver)) + if (tty_register_driver(drv)) panic("Couldn't register hvc console driver\n"); + mb(); + hvc_driver = drv; return 0; } module_init(hvc_init); diff --git a/drivers/char/hvc_console.h b/drivers/char/hvc_console.h new file mode 100644 index 00000000000..96b7401319c --- /dev/null +++ b/drivers/char/hvc_console.h @@ -0,0 +1,63 @@ +/* + * hvc_console.h + * Copyright (C) 2005 IBM Corporation + * + * Author(s): + * Ryan S. Arnold <rsa@us.ibm.com> + * + * hvc_console header information: + * moved here from include/asm-powerpc/hvconsole.h + * and drivers/char/hvc_console.c + * + * 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 HVC_CONSOLE_H +#define HVC_CONSOLE_H + +/* + * This is the max number of console adapters that can/will be found as + * console devices on first stage console init. Any number beyond this range + * can't be used as a console device but is still a valid tty device. + */ +#define MAX_NR_HVC_CONSOLES 16 + +/* + * The Linux TTY code does not support dynamic addition of tty derived devices + * so we need to know how many tty devices we might need when space is allocated + * for the tty device. Since this driver supports hotplug of vty adapters we + * need to make sure we have enough allocated. + */ +#define HVC_ALLOC_TTY_ADAPTERS 8 + + +/* implemented by a low level driver */ +struct hv_ops { + int (*get_chars)(uint32_t vtermno, char *buf, int count); + int (*put_chars)(uint32_t vtermno, const char *buf, int count); +}; + +struct hvc_struct; + +/* Register a vterm and a slot index for use as a console (console_init) */ +extern int hvc_instantiate(uint32_t vtermno, int index, struct hv_ops *ops); + +/* register a vterm for hvc tty operation (module_init or hotplug add) */ +extern struct hvc_struct * __devinit hvc_alloc(uint32_t vtermno, int irq, + struct hv_ops *ops); +/* remove a vterm from hvc tty operation (modele_exit or hotplug remove) */ +extern int __devexit hvc_remove(struct hvc_struct *hp); + +#endif // HVC_CONSOLE_H diff --git a/drivers/char/hvc_rtas.c b/drivers/char/hvc_rtas.c new file mode 100644 index 00000000000..83364ea63cb --- /dev/null +++ b/drivers/char/hvc_rtas.c @@ -0,0 +1,138 @@ +/* + * IBM RTAS driver interface to hvc_console.c + * + * (C) Copyright IBM Corporation 2001-2005 + * (C) Copyright Red Hat, Inc. 2005 + * + * Author(s): Maximino Augilar <IBM STI Design Center> + * : Ryan S. Arnold <rsa@us.ibm.com> + * : Utz Bacher <utz.bacher@de.ibm.com> + * : David Woodhouse <dwmw2@infradead.org> + * + * inspired by drivers/char/hvc_console.c + * written by Anton Blanchard and Paul Mackerras + * + * 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/console.h> +#include <linux/delay.h> +#include <linux/err.h> +#include <linux/init.h> +#include <linux/moduleparam.h> +#include <linux/types.h> + +#include <asm/irq.h> +#include <asm/rtas.h> +#include "hvc_console.h" + +#define hvc_rtas_cookie 0x67781e15 +struct hvc_struct *hvc_rtas_dev; + +#define RTASCONS_PUT_ATTEMPTS 16 + +static int rtascons_put_char_token = RTAS_UNKNOWN_SERVICE; +static int rtascons_get_char_token = RTAS_UNKNOWN_SERVICE; +static int rtascons_put_delay = 100; +module_param_named(put_delay, rtascons_put_delay, int, 0644); + +static inline int hvc_rtas_write_console(uint32_t vtermno, const char *buf, int count) +{ + int done; + + /* if there is more than one character to be displayed, wait a bit */ + for (done = 0; done < count; done++) { + int result; + result = rtas_call(rtascons_put_char_token, 1, 1, NULL, buf[done]); + if (result) + break; + } + /* the calling routine expects to receive the number of bytes sent */ + return done; +} + +static int hvc_rtas_read_console(uint32_t vtermno, char *buf, int count) +{ + int i; + + for (i = 0; i < count; i++) { + int c, err; + + err = rtas_call(rtascons_get_char_token, 0, 2, &c); + if (err) + break; + + buf[i] = c; + } + + return i; +} + +static struct hv_ops hvc_rtas_get_put_ops = { + .get_chars = hvc_rtas_read_console, + .put_chars = hvc_rtas_write_console, +}; + +static int hvc_rtas_init(void) +{ + struct hvc_struct *hp; + + if (rtascons_put_char_token == RTAS_UNKNOWN_SERVICE) + rtascons_put_char_token = rtas_token("put-term-char"); + if (rtascons_put_char_token == RTAS_UNKNOWN_SERVICE) + return -EIO; + + if (rtascons_get_char_token == RTAS_UNKNOWN_SERVICE) + rtascons_get_char_token = rtas_token("get-term-char"); + if (rtascons_get_char_token == RTAS_UNKNOWN_SERVICE) + return -EIO; + + BUG_ON(hvc_rtas_dev); + + /* Allocate an hvc_struct for the console device we instantiated + * earlier. Save off hp so that we can return it on exit */ + hp = hvc_alloc(hvc_rtas_cookie, NO_IRQ, &hvc_rtas_get_put_ops); + if (IS_ERR(hp)) + return PTR_ERR(hp); + hvc_rtas_dev = hp; + return 0; +} +module_init(hvc_rtas_init); + +/* This will tear down the tty portion of the driver */ +static void __exit hvc_rtas_exit(void) +{ + /* Really the fun isn't over until the worker thread breaks down and the + * tty cleans up */ + if (hvc_rtas_dev) + hvc_remove(hvc_rtas_dev); +} +module_exit(hvc_rtas_exit); + +/* This will happen prior to module init. There is no tty at this time? */ +static int hvc_rtas_console_init(void) +{ + rtascons_put_char_token = rtas_token("put-term-char"); + if (rtascons_put_char_token == RTAS_UNKNOWN_SERVICE) + return -EIO; + rtascons_get_char_token = rtas_token("get-term-char"); + if (rtascons_get_char_token == RTAS_UNKNOWN_SERVICE) + return -EIO; + + hvc_instantiate(hvc_rtas_cookie, 0, &hvc_rtas_get_put_ops ); + add_preferred_console("hvc", 0, NULL); + return 0; +} +console_initcall(hvc_rtas_console_init); diff --git a/drivers/char/hvc_vio.c b/drivers/char/hvc_vio.c index f5212eb2b41..9add81ceb44 100644 --- a/drivers/char/hvc_vio.c +++ b/drivers/char/hvc_vio.c @@ -31,10 +31,13 @@ #include <linux/types.h> #include <linux/init.h> + #include <asm/hvconsole.h> #include <asm/vio.h> #include <asm/prom.h> +#include "hvc_console.h" + char hvc_driver_name[] = "hvc_console"; static struct vio_device_id hvc_driver_table[] __devinitdata = { @@ -48,6 +51,14 @@ static int filtered_get_chars(uint32_t vtermno, char *buf, int count) unsigned long got; int i; + /* + * Vio firmware will read up to SIZE_VIO_GET_CHARS at its own discretion + * so we play safe and avoid the situation where got > count which could + * overload the flip buffer. + */ + if (count < SIZE_VIO_GET_CHARS) + return -EAGAIN; + got = hvc_get_chars(vtermno, buf, count); /* diff --git a/drivers/char/hvcs.c b/drivers/char/hvcs.c index f7ac3185657..327b00c3c45 100644 --- a/drivers/char/hvcs.c +++ b/drivers/char/hvcs.c @@ -439,7 +439,6 @@ static int hvcs_io(struct hvcs_struct *hvcsd) char buf[HVCS_BUFF_LEN] __ALIGNED__; unsigned long flags; int got = 0; - int i; spin_lock_irqsave(&hvcsd->lock, flags); diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index 811dadb9ce3..0bfd1b63662 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -1094,8 +1094,8 @@ static void do_tty_hangup(void *data) p->signal->tty = NULL; if (!p->signal->leader) continue; - send_group_sig_info(SIGHUP, SEND_SIG_PRIV, p); - send_group_sig_info(SIGCONT, SEND_SIG_PRIV, p); + group_send_sig_info(SIGHUP, SEND_SIG_PRIV, p); + group_send_sig_info(SIGCONT, SEND_SIG_PRIV, p); if (tty->pgrp > 0) p->signal->tty_old_pgrp = tty->pgrp; } while_each_task_pid(tty->session, PIDTYPE_SID, p); @@ -2672,7 +2672,7 @@ static void __do_SAK(void *arg) tty_hangup(tty); #else struct tty_struct *tty = arg; - struct task_struct *p; + struct task_struct *g, *p; int session; int i; struct file *filp; @@ -2693,8 +2693,18 @@ static void __do_SAK(void *arg) tty->driver->flush_buffer(tty); read_lock(&tasklist_lock); + /* Kill the entire session */ do_each_task_pid(session, PIDTYPE_SID, p) { - if (p->signal->tty == tty || session > 0) { + printk(KERN_NOTICE "SAK: killed process %d" + " (%s): p->signal->session==tty->session\n", + p->pid, p->comm); + send_sig(SIGKILL, p, 1); + } while_each_task_pid(session, PIDTYPE_SID, p); + /* Now kill any processes that happen to have the + * tty open. + */ + do_each_thread(g, p) { + if (p->signal->tty == tty) { printk(KERN_NOTICE "SAK: killed process %d" " (%s): p->signal->session==tty->session\n", p->pid, p->comm); @@ -2721,7 +2731,7 @@ static void __do_SAK(void *arg) rcu_read_unlock(); } task_unlock(p); - } while_each_task_pid(session, PIDTYPE_SID, p); + } while_each_thread(g, p); read_unlock(&tasklist_lock); #endif } diff --git a/drivers/ide/pci/via82cxxx.c b/drivers/ide/pci/via82cxxx.c index c85b87cb59d..3e677c4f8c2 100644 --- a/drivers/ide/pci/via82cxxx.c +++ b/drivers/ide/pci/via82cxxx.c @@ -440,7 +440,7 @@ static void __devinit init_hwif_via82cxxx(ide_hwif_t *hwif) #if defined(CONFIG_PPC_CHRP) && defined(CONFIG_PPC32) - if(_machine == _MACH_chrp && _chrp_type == _CHRP_Pegasos) { + if(machine_is(chrp) && _chrp_type == _CHRP_Pegasos) { hwif->irq = hwif->channel ? 15 : 14; } #endif diff --git a/drivers/ide/ppc/pmac.c b/drivers/ide/ppc/pmac.c index 5013b1285e2..78e30f80367 100644 --- a/drivers/ide/ppc/pmac.c +++ b/drivers/ide/ppc/pmac.c @@ -1677,7 +1677,7 @@ MODULE_DEVICE_TABLE(pci, pmac_ide_pci_match); void __init pmac_ide_probe(void) { - if (_machine != _MACH_Pmac) + if (!machine_is(powermac)) return; #ifdef CONFIG_BLK_DEV_IDE_PMAC_ATA100FIRST diff --git a/drivers/ieee1394/dv1394.c b/drivers/ieee1394/dv1394.c index efeaa944bd0..85c2d4ca0de 100644 --- a/drivers/ieee1394/dv1394.c +++ b/drivers/ieee1394/dv1394.c @@ -73,7 +73,7 @@ - fix all XXX showstoppers - disable IR/IT DMA interrupts on shutdown - flush pci writes to the card by issuing a read - - devfs and character device dispatching (* needs testing with Linux 2.2.x) + - character device dispatching - switch over to the new kernel DMA API (pci_map_*()) (* needs testing on platforms with IOMMU!) - keep all video_cards in a list (for open() via chardev), set file->private_data = video - dv1394_poll should indicate POLLIN when receiving buffers are available @@ -1096,7 +1096,6 @@ static int do_dv1394_init_default(struct video_card *video) init.api_version = DV1394_API_VERSION; init.n_frames = DV1394_MAX_FRAMES / 4; - /* the following are now set via devfs */ init.channel = video->channel; init.format = video->pal_or_ntsc; init.cip_n = video->cip_n; @@ -1791,8 +1790,6 @@ static int dv1394_open(struct inode *inode, struct file *file) { struct video_card *video = NULL; - /* if the device was opened through devfs, then file->private_data - has already been set to video by devfs */ if (file->private_data) { video = (struct video_card*) file->private_data; @@ -2211,7 +2208,7 @@ static int dv1394_init(struct ti_ohci *ohci, enum pal_or_ntsc format, enum modes video = kzalloc(sizeof(*video), GFP_KERNEL); if (!video) { printk(KERN_ERR "dv1394: cannot allocate video_card\n"); - goto err; + return -1; } video->ohci = ohci; @@ -2266,37 +2263,14 @@ static int dv1394_init(struct ti_ohci *ohci, enum pal_or_ntsc format, enum modes list_add_tail(&video->list, &dv1394_cards); spin_unlock_irqrestore(&dv1394_cards_lock, flags); - if (devfs_mk_cdev(MKDEV(IEEE1394_MAJOR, - IEEE1394_MINOR_BLOCK_DV1394*16 + video->id), - S_IFCHR|S_IRUGO|S_IWUGO, - "ieee1394/dv/host%d/%s/%s", - (video->id>>2), - (video->pal_or_ntsc == DV1394_NTSC ? "NTSC" : "PAL"), - (video->mode == MODE_RECEIVE ? "in" : "out")) < 0) - goto err_free; - debug_printk("dv1394: dv1394_init() OK on ID %d\n", video->id); - return 0; - - err_free: - kfree(video); - err: - return -1; } static void dv1394_un_init(struct video_card *video) { - char buf[32]; - /* obviously nobody has the driver open at this point */ do_dv1394_shutdown(video, 1); - snprintf(buf, sizeof(buf), "dv/host%d/%s/%s", (video->id >> 2), - (video->pal_or_ntsc == DV1394_NTSC ? "NTSC" : "PAL"), - (video->mode == MODE_RECEIVE ? "in" : "out") - ); - - devfs_remove("ieee1394/%s", buf); kfree(video); } @@ -2333,9 +2307,6 @@ static void dv1394_remove_host (struct hpsb_host *host) class_device_destroy(hpsb_protocol_class, MKDEV(IEEE1394_MAJOR, IEEE1394_MINOR_BLOCK_DV1394 * 16 + (id<<2))); - devfs_remove("ieee1394/dv/host%d/NTSC", id); - devfs_remove("ieee1394/dv/host%d/PAL", id); - devfs_remove("ieee1394/dv/host%d", id); } static void dv1394_add_host (struct hpsb_host *host) @@ -2352,9 +2323,6 @@ static void dv1394_add_host (struct hpsb_host *host) class_device_create(hpsb_protocol_class, NULL, MKDEV( IEEE1394_MAJOR, IEEE1394_MINOR_BLOCK_DV1394 * 16 + (id<<2)), NULL, "dv1394-%d", id); - devfs_mk_dir("ieee1394/dv/host%d", id); - devfs_mk_dir("ieee1394/dv/host%d/NTSC", id); - devfs_mk_dir("ieee1394/dv/host%d/PAL", id); dv1394_init(ohci, DV1394_NTSC, MODE_RECEIVE); dv1394_init(ohci, DV1394_NTSC, MODE_TRANSMIT); @@ -2611,10 +2579,8 @@ MODULE_LICENSE("GPL"); static void __exit dv1394_exit_module(void) { hpsb_unregister_protocol(&dv1394_driver); - hpsb_unregister_highlevel(&dv1394_highlevel); cdev_del(&dv1394_cdev); - devfs_remove("ieee1394/dv"); } static int __init dv1394_init_module(void) @@ -2630,15 +2596,12 @@ static int __init dv1394_init_module(void) return ret; } - devfs_mk_dir("ieee1394/dv"); - hpsb_register_highlevel(&dv1394_highlevel); ret = hpsb_register_protocol(&dv1394_driver); if (ret) { printk(KERN_ERR "dv1394: failed to register protocol\n"); hpsb_unregister_highlevel(&dv1394_highlevel); - devfs_remove("ieee1394/dv"); cdev_del(&dv1394_cdev); return ret; } diff --git a/drivers/ieee1394/ieee1394_core.c b/drivers/ieee1394/ieee1394_core.c index 25ef5a86f5f..be6854e25ad 100644 --- a/drivers/ieee1394/ieee1394_core.c +++ b/drivers/ieee1394/ieee1394_core.c @@ -58,7 +58,7 @@ MODULE_PARM_DESC(disable_nodemgr, "Disable nodemgr functionality."); /* Disable Isochronous Resource Manager functionality */ int hpsb_disable_irm = 0; -module_param_named(disable_irm, hpsb_disable_irm, bool, 0); +module_param_named(disable_irm, hpsb_disable_irm, bool, 0444); MODULE_PARM_DESC(disable_irm, "Disable Isochronous Resource Manager functionality."); @@ -1078,17 +1078,10 @@ static int __init ieee1394_init(void) goto exit_release_kernel_thread; } - /* actually this is a non-fatal error */ - ret = devfs_mk_dir("ieee1394"); - if (ret < 0) { - HPSB_ERR("unable to make devfs dir for device major %d!\n", IEEE1394_MAJOR); - goto release_chrdev; - } - ret = bus_register(&ieee1394_bus_type); if (ret < 0) { HPSB_INFO("bus register failed"); - goto release_devfs; + goto release_chrdev; } for (i = 0; fw_bus_attrs[i]; i++) { @@ -1099,7 +1092,7 @@ static int __init ieee1394_init(void) fw_bus_attrs[i--]); } bus_unregister(&ieee1394_bus_type); - goto release_devfs; + goto release_chrdev; } } @@ -1152,8 +1145,6 @@ release_all_bus: for (i = 0; fw_bus_attrs[i]; i++) bus_remove_file(&ieee1394_bus_type, fw_bus_attrs[i]); bus_unregister(&ieee1394_bus_type); -release_devfs: - devfs_remove("ieee1394"); release_chrdev: unregister_chrdev_region(IEEE1394_CORE_DEV, 256); exit_release_kernel_thread: @@ -1191,7 +1182,6 @@ static void __exit ieee1394_cleanup(void) hpsb_cleanup_config_roms(); unregister_chrdev_region(IEEE1394_CORE_DEV, 256); - devfs_remove("ieee1394"); } module_init(ieee1394_init); diff --git a/drivers/ieee1394/ieee1394_core.h b/drivers/ieee1394/ieee1394_core.h index b35466023f0..e7b55e895f5 100644 --- a/drivers/ieee1394/ieee1394_core.h +++ b/drivers/ieee1394/ieee1394_core.h @@ -3,7 +3,6 @@ #define _IEEE1394_CORE_H #include <linux/slab.h> -#include <linux/devfs_fs_kernel.h> #include <asm/atomic.h> #include <asm/semaphore.h> #include "hosts.h" @@ -202,14 +201,12 @@ void hpsb_packet_received(struct hpsb_host *host, quadlet_t *data, size_t size, #define IEEE1394_MINOR_BLOCK_RAW1394 0 #define IEEE1394_MINOR_BLOCK_VIDEO1394 1 #define IEEE1394_MINOR_BLOCK_DV1394 2 -#define IEEE1394_MINOR_BLOCK_AMDTP 3 #define IEEE1394_MINOR_BLOCK_EXPERIMENTAL 15 #define IEEE1394_CORE_DEV MKDEV(IEEE1394_MAJOR, 0) #define IEEE1394_RAW1394_DEV MKDEV(IEEE1394_MAJOR, IEEE1394_MINOR_BLOCK_RAW1394 * 16) #define IEEE1394_VIDEO1394_DEV MKDEV(IEEE1394_MAJOR, IEEE1394_MINOR_BLOCK_VIDEO1394 * 16) #define IEEE1394_DV1394_DEV MKDEV(IEEE1394_MAJOR, IEEE1394_MINOR_BLOCK_DV1394 * 16) -#define IEEE1394_AMDTP_DEV MKDEV(IEEE1394_MAJOR, IEEE1394_MINOR_BLOCK_AMDTP * 16) #define IEEE1394_EXPERIMENTAL_DEV MKDEV(IEEE1394_MAJOR, IEEE1394_MINOR_BLOCK_EXPERIMENTAL * 16) /* return the index (within a minor number block) of a file */ diff --git a/drivers/ieee1394/ohci1394.c b/drivers/ieee1394/ohci1394.c index b6b96fa04d6..19222878aae 100644 --- a/drivers/ieee1394/ohci1394.c +++ b/drivers/ieee1394/ohci1394.c @@ -544,12 +544,19 @@ static void ohci_initialize(struct ti_ohci *ohci) /* Initialize IR Legacy DMA channel mask */ ohci->ir_legacy_channels = 0; - /* - * Accept AT requests from all nodes. This probably - * will have to be controlled from the subsystem - * on a per node basis. - */ - reg_write(ohci,OHCI1394_AsReqFilterHiSet, 0x80000000); + /* Accept AR requests from all nodes */ + reg_write(ohci, OHCI1394_AsReqFilterHiSet, 0x80000000); + + /* Set the address range of the physical response unit. + * Most controllers do not implement it as a writable register though. + * They will keep a hardwired offset of 0x00010000 and show 0x0 as + * register content. + * To actually enable physical responses is the job of our interrupt + * handler which programs the physical request filter. */ + reg_write(ohci, OHCI1394_PhyUpperBound, 0xffff0000); + + DBGMSG("physUpperBoundOffset=%08x", + reg_read(ohci, OHCI1394_PhyUpperBound)); /* Specify AT retries */ reg_write(ohci, OHCI1394_ATRetries, @@ -572,6 +579,7 @@ static void ohci_initialize(struct ti_ohci *ohci) OHCI1394_reqTxComplete | OHCI1394_isochRx | OHCI1394_isochTx | + OHCI1394_postedWriteErr | OHCI1394_cycleInconsistent); /* Enable link */ @@ -2374,7 +2382,10 @@ static irqreturn_t ohci_irq_handler(int irq, void *dev_id, event &= ~OHCI1394_unrecoverableError; } - + if (event & OHCI1394_postedWriteErr) { + PRINT(KERN_ERR, "physical posted write error"); + /* no recovery strategy yet, had to involve protocol drivers */ + } if (event & OHCI1394_cycleInconsistent) { /* We subscribe to the cycleInconsistent event only to * clear the corresponding event bit... otherwise, @@ -2382,7 +2393,6 @@ static irqreturn_t ohci_irq_handler(int irq, void *dev_id, DBGMSG("OHCI1394_cycleInconsistent"); event &= ~OHCI1394_cycleInconsistent; } - if (event & OHCI1394_busReset) { /* The busReset event bit can't be cleared during the * selfID phase, so we disable busReset interrupts, to @@ -2426,7 +2436,6 @@ static irqreturn_t ohci_irq_handler(int irq, void *dev_id, } event &= ~OHCI1394_busReset; } - if (event & OHCI1394_reqTxComplete) { struct dma_trm_ctx *d = &ohci->at_req_context; DBGMSG("Got reqTxComplete interrupt " @@ -2514,26 +2523,20 @@ static irqreturn_t ohci_irq_handler(int irq, void *dev_id, reg_write(ohci, OHCI1394_IntMaskSet, OHCI1394_busReset); spin_unlock_irqrestore(&ohci->event_lock, flags); - /* Accept Physical requests from all nodes. */ - reg_write(ohci,OHCI1394_AsReqFilterHiSet, 0xffffffff); - reg_write(ohci,OHCI1394_AsReqFilterLoSet, 0xffffffff); - /* Turn on phys dma reception. * * TODO: Enable some sort of filtering management. */ if (phys_dma) { - reg_write(ohci,OHCI1394_PhyReqFilterHiSet, 0xffffffff); - reg_write(ohci,OHCI1394_PhyReqFilterLoSet, 0xffffffff); - reg_write(ohci,OHCI1394_PhyUpperBound, 0xffff0000); - } else { - reg_write(ohci,OHCI1394_PhyReqFilterHiSet, 0x00000000); - reg_write(ohci,OHCI1394_PhyReqFilterLoSet, 0x00000000); + reg_write(ohci, OHCI1394_PhyReqFilterHiSet, + 0xffffffff); + reg_write(ohci, OHCI1394_PhyReqFilterLoSet, + 0xffffffff); } DBGMSG("PhyReqFilter=%08x%08x", - reg_read(ohci,OHCI1394_PhyReqFilterHiSet), - reg_read(ohci,OHCI1394_PhyReqFilterLoSet)); + reg_read(ohci, OHCI1394_PhyReqFilterHiSet), + reg_read(ohci, OHCI1394_PhyReqFilterLoSet)); hpsb_selfid_complete(host, phyid, isroot); } else @@ -3259,8 +3262,8 @@ static int __devinit ohci1394_pci_probe(struct pci_dev *dev, * fail to report the right length. Anyway, the ohci spec * clearly says it's 2kb, so this shouldn't be a problem. */ ohci_base = pci_resource_start(dev, 0); - if (pci_resource_len(dev, 0) != OHCI1394_REGISTER_SIZE) - PRINT(KERN_WARNING, "Unexpected PCI resource length of %lx!", + if (pci_resource_len(dev, 0) < OHCI1394_REGISTER_SIZE) + PRINT(KERN_WARNING, "PCI resource length of %lx too small!", pci_resource_len(dev, 0)); /* Seems PCMCIA handles this internally. Not sure why. Seems @@ -3526,7 +3529,7 @@ static void ohci1394_pci_remove(struct pci_dev *pdev) static int ohci1394_pci_resume (struct pci_dev *pdev) { #ifdef CONFIG_PPC_PMAC - if (_machine == _MACH_Pmac) { + if (machine_is(powermac)) { struct device_node *of_node; /* Re-enable 1394 */ @@ -3545,7 +3548,7 @@ static int ohci1394_pci_resume (struct pci_dev *pdev) static int ohci1394_pci_suspend (struct pci_dev *pdev, pm_message_t state) { #ifdef CONFIG_PPC_PMAC - if (_machine == _MACH_Pmac) { + if (machine_is(powermac)) { struct device_node *of_node; /* Disable 1394 */ diff --git a/drivers/ieee1394/raw1394.c b/drivers/ieee1394/raw1394.c index 19f26c5c947..f7de546f2ed 100644 --- a/drivers/ieee1394/raw1394.c +++ b/drivers/ieee1394/raw1394.c @@ -41,7 +41,6 @@ #include <linux/cdev.h> #include <asm/uaccess.h> #include <asm/atomic.h> -#include <linux/devfs_fs_kernel.h> #include <linux/compat.h> #include "csr1212.h" @@ -2999,9 +2998,6 @@ static int __init init_raw1394(void) goto out_unreg; } - devfs_mk_cdev(MKDEV(IEEE1394_MAJOR, IEEE1394_MINOR_BLOCK_RAW1394 * 16), - S_IFCHR | S_IRUSR | S_IWUSR, RAW1394_DEVICE_NAME); - cdev_init(&raw1394_cdev, &raw1394_fops); raw1394_cdev.owner = THIS_MODULE; kobject_set_name(&raw1394_cdev.kobj, RAW1394_DEVICE_NAME); @@ -3023,7 +3019,6 @@ static int __init init_raw1394(void) goto out; out_dev: - devfs_remove(RAW1394_DEVICE_NAME); class_device_destroy(hpsb_protocol_class, MKDEV(IEEE1394_MAJOR, IEEE1394_MINOR_BLOCK_RAW1394 * 16)); @@ -3039,7 +3034,6 @@ static void __exit cleanup_raw1394(void) MKDEV(IEEE1394_MAJOR, IEEE1394_MINOR_BLOCK_RAW1394 * 16)); cdev_del(&raw1394_cdev); - devfs_remove(RAW1394_DEVICE_NAME); hpsb_unregister_highlevel(&raw1394_highlevel); hpsb_unregister_protocol(&raw1394_driver); } diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c index eca92eb475a..2c765ca5aa5 100644 --- a/drivers/ieee1394/sbp2.c +++ b/drivers/ieee1394/sbp2.c @@ -214,6 +214,7 @@ static u32 global_outstanding_dmas = 0; #endif #define SBP2_ERR(fmt, args...) HPSB_ERR("sbp2: "fmt, ## args) +#define SBP2_DEBUG_ENTER() SBP2_DEBUG("%s", __FUNCTION__) /* * Globals @@ -535,7 +536,7 @@ static struct sbp2_command_info *sbp2util_allocate_command_orb( command->Current_SCpnt = Current_SCpnt; list_add_tail(&command->list, &scsi_id->sbp2_command_orb_inuse); } else { - SBP2_ERR("sbp2util_allocate_command_orb - No orbs available!"); + SBP2_ERR("%s: no orbs available", __FUNCTION__); } spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock, flags); return command; @@ -549,7 +550,7 @@ static void sbp2util_free_command_dma(struct sbp2_command_info *command) struct hpsb_host *host; if (!scsi_id) { - printk(KERN_ERR "%s: scsi_id == NULL\n", __FUNCTION__); + SBP2_ERR("%s: scsi_id == NULL", __FUNCTION__); return; } @@ -610,7 +611,7 @@ static int sbp2_probe(struct device *dev) struct unit_directory *ud; struct scsi_id_instance_data *scsi_id; - SBP2_DEBUG("sbp2_probe"); + SBP2_DEBUG_ENTER(); ud = container_of(dev, struct unit_directory, device); @@ -635,7 +636,7 @@ static int sbp2_remove(struct device *dev) struct scsi_id_instance_data *scsi_id; struct scsi_device *sdev; - SBP2_DEBUG("sbp2_remove"); + SBP2_DEBUG_ENTER(); ud = container_of(dev, struct unit_directory, device); scsi_id = ud->device.driver_data; @@ -667,7 +668,7 @@ static int sbp2_update(struct unit_directory *ud) { struct scsi_id_instance_data *scsi_id = ud->device.driver_data; - SBP2_DEBUG("sbp2_update"); + SBP2_DEBUG_ENTER(); if (sbp2_reconnect_device(scsi_id)) { @@ -715,7 +716,7 @@ static struct scsi_id_instance_data *sbp2_alloc_device(struct unit_directory *ud struct Scsi_Host *scsi_host = NULL; struct scsi_id_instance_data *scsi_id = NULL; - SBP2_DEBUG("sbp2_alloc_device"); + SBP2_DEBUG_ENTER(); scsi_id = kzalloc(sizeof(*scsi_id), GFP_KERNEL); if (!scsi_id) { @@ -749,12 +750,22 @@ static struct scsi_id_instance_data *sbp2_alloc_device(struct unit_directory *ud #ifdef CONFIG_IEEE1394_SBP2_PHYS_DMA /* Handle data movement if physical dma is not - * enabled/supportedon host controller */ - hpsb_register_addrspace(&sbp2_highlevel, ud->ne->host, &sbp2_physdma_ops, - 0x0ULL, 0xfffffffcULL); + * enabled or not supported on host controller */ + if (!hpsb_register_addrspace(&sbp2_highlevel, ud->ne->host, + &sbp2_physdma_ops, + 0x0ULL, 0xfffffffcULL)) { + SBP2_ERR("failed to register lower 4GB address range"); + goto failed_alloc; + } #endif } + /* Prevent unloading of the 1394 host */ + if (!try_module_get(hi->host->driver->owner)) { + SBP2_ERR("failed to get a reference on 1394 host driver"); + goto failed_alloc; + } + scsi_id->hi = hi; list_add_tail(&scsi_id->scsi_list, &hi->scsi_ids); @@ -816,7 +827,7 @@ static int sbp2_start_device(struct scsi_id_instance_data *scsi_id) struct sbp2scsi_host_info *hi = scsi_id->hi; int error; - SBP2_DEBUG("sbp2_start_device"); + SBP2_DEBUG_ENTER(); /* Login FIFO DMA */ scsi_id->login_response = @@ -891,7 +902,6 @@ static int sbp2_start_device(struct scsi_id_instance_data *scsi_id) * allows someone else to login instead. One second makes sense. */ msleep_interruptible(1000); if (signal_pending(current)) { - SBP2_WARN("aborting sbp2_start_device due to event"); sbp2_remove_device(scsi_id); return -EINTR; } @@ -944,7 +954,7 @@ static void sbp2_remove_device(struct scsi_id_instance_data *scsi_id) { struct sbp2scsi_host_info *hi; - SBP2_DEBUG("sbp2_remove_device"); + SBP2_DEBUG_ENTER(); if (!scsi_id) return; @@ -1015,6 +1025,9 @@ static void sbp2_remove_device(struct scsi_id_instance_data *scsi_id) scsi_id->ud->device.driver_data = NULL; + if (hi) + module_put(hi->host->driver->owner); + SBP2_DEBUG("SBP-2 device removed, SCSI ID = %d", scsi_id->ud->id); kfree(scsi_id); @@ -1073,23 +1086,20 @@ static int sbp2_query_logins(struct scsi_id_instance_data *scsi_id) int max_logins; int active_logins; - SBP2_DEBUG("sbp2_query_logins"); + SBP2_DEBUG_ENTER(); scsi_id->query_logins_orb->reserved1 = 0x0; scsi_id->query_logins_orb->reserved2 = 0x0; scsi_id->query_logins_orb->query_response_lo = scsi_id->query_logins_response_dma; scsi_id->query_logins_orb->query_response_hi = ORB_SET_NODE_ID(hi->host->node_id); - SBP2_DEBUG("sbp2_query_logins: query_response_hi/lo initialized"); scsi_id->query_logins_orb->lun_misc = ORB_SET_FUNCTION(SBP2_QUERY_LOGINS_REQUEST); scsi_id->query_logins_orb->lun_misc |= ORB_SET_NOTIFY(1); scsi_id->query_logins_orb->lun_misc |= ORB_SET_LUN(scsi_id->sbp2_lun); - SBP2_DEBUG("sbp2_query_logins: lun_misc initialized"); scsi_id->query_logins_orb->reserved_resp_length = ORB_SET_QUERY_LOGINS_RESP_LENGTH(sizeof(struct sbp2_query_logins_response)); - SBP2_DEBUG("sbp2_query_logins: reserved_resp_length initialized"); scsi_id->query_logins_orb->status_fifo_hi = ORB_SET_STATUS_FIFO_HI(scsi_id->status_fifo_addr, hi->host->node_id); @@ -1098,25 +1108,19 @@ static int sbp2_query_logins(struct scsi_id_instance_data *scsi_id) sbp2util_cpu_to_be32_buffer(scsi_id->query_logins_orb, sizeof(struct sbp2_query_logins_orb)); - SBP2_DEBUG("sbp2_query_logins: orb byte-swapped"); - sbp2util_packet_dump(scsi_id->query_logins_orb, sizeof(struct sbp2_query_logins_orb), "sbp2 query logins orb", scsi_id->query_logins_orb_dma); memset(scsi_id->query_logins_response, 0, sizeof(struct sbp2_query_logins_response)); memset(&scsi_id->status_block, 0, sizeof(struct sbp2_status_block)); - SBP2_DEBUG("sbp2_query_logins: query_logins_response/status FIFO memset"); - data[0] = ORB_SET_NODE_ID(hi->host->node_id); data[1] = scsi_id->query_logins_orb_dma; sbp2util_cpu_to_be32_buffer(data, 8); atomic_set(&scsi_id->sbp2_login_complete, 0); - SBP2_DEBUG("sbp2_query_logins: prepared to write"); hpsb_node_write(scsi_id->ne, scsi_id->sbp2_management_agent_addr, data, 8); - SBP2_DEBUG("sbp2_query_logins: written"); if (sbp2util_down_timeout(&scsi_id->sbp2_login_complete, 2*HZ)) { SBP2_INFO("Error querying logins to SBP-2 device - timed out"); @@ -1165,10 +1169,10 @@ static int sbp2_login_device(struct scsi_id_instance_data *scsi_id) struct sbp2scsi_host_info *hi = scsi_id->hi; quadlet_t data[2]; - SBP2_DEBUG("sbp2_login_device"); + SBP2_DEBUG_ENTER(); if (!scsi_id->login_orb) { - SBP2_DEBUG("sbp2_login_device: login_orb not alloc'd!"); + SBP2_DEBUG("%s: login_orb not alloc'd!", __FUNCTION__); return -EIO; } @@ -1182,59 +1186,39 @@ static int sbp2_login_device(struct scsi_id_instance_data *scsi_id) /* Set-up login ORB, assume no password */ scsi_id->login_orb->password_hi = 0; scsi_id->login_orb->password_lo = 0; - SBP2_DEBUG("sbp2_login_device: password_hi/lo initialized"); scsi_id->login_orb->login_response_lo = scsi_id->login_response_dma; scsi_id->login_orb->login_response_hi = ORB_SET_NODE_ID(hi->host->node_id); - SBP2_DEBUG("sbp2_login_device: login_response_hi/lo initialized"); scsi_id->login_orb->lun_misc = ORB_SET_FUNCTION(SBP2_LOGIN_REQUEST); scsi_id->login_orb->lun_misc |= ORB_SET_RECONNECT(0); /* One second reconnect time */ scsi_id->login_orb->lun_misc |= ORB_SET_EXCLUSIVE(exclusive_login); /* Exclusive access to device */ scsi_id->login_orb->lun_misc |= ORB_SET_NOTIFY(1); /* Notify us of login complete */ scsi_id->login_orb->lun_misc |= ORB_SET_LUN(scsi_id->sbp2_lun); - SBP2_DEBUG("sbp2_login_device: lun_misc initialized"); scsi_id->login_orb->passwd_resp_lengths = ORB_SET_LOGIN_RESP_LENGTH(sizeof(struct sbp2_login_response)); - SBP2_DEBUG("sbp2_login_device: passwd_resp_lengths initialized"); scsi_id->login_orb->status_fifo_hi = ORB_SET_STATUS_FIFO_HI(scsi_id->status_fifo_addr, hi->host->node_id); scsi_id->login_orb->status_fifo_lo = ORB_SET_STATUS_FIFO_LO(scsi_id->status_fifo_addr); - /* - * Byte swap ORB if necessary - */ sbp2util_cpu_to_be32_buffer(scsi_id->login_orb, sizeof(struct sbp2_login_orb)); - SBP2_DEBUG("sbp2_login_device: orb byte-swapped"); - sbp2util_packet_dump(scsi_id->login_orb, sizeof(struct sbp2_login_orb), "sbp2 login orb", scsi_id->login_orb_dma); - /* - * Initialize login response and status fifo - */ memset(scsi_id->login_response, 0, sizeof(struct sbp2_login_response)); memset(&scsi_id->status_block, 0, sizeof(struct sbp2_status_block)); - SBP2_DEBUG("sbp2_login_device: login_response/status FIFO memset"); - - /* - * Ok, let's write to the target's management agent register - */ data[0] = ORB_SET_NODE_ID(hi->host->node_id); data[1] = scsi_id->login_orb_dma; sbp2util_cpu_to_be32_buffer(data, 8); atomic_set(&scsi_id->sbp2_login_complete, 0); - SBP2_DEBUG("sbp2_login_device: prepared to write to %08x", - (unsigned int)scsi_id->sbp2_management_agent_addr); hpsb_node_write(scsi_id->ne, scsi_id->sbp2_management_agent_addr, data, 8); - SBP2_DEBUG("sbp2_login_device: written"); /* * Wait for login status (up to 20 seconds)... @@ -1298,7 +1282,7 @@ static int sbp2_logout_device(struct scsi_id_instance_data *scsi_id) quadlet_t data[2]; int error; - SBP2_DEBUG("sbp2_logout_device"); + SBP2_DEBUG_ENTER(); /* * Set-up logout ORB @@ -1362,7 +1346,7 @@ static int sbp2_reconnect_device(struct scsi_id_instance_data *scsi_id) quadlet_t data[2]; int error; - SBP2_DEBUG("sbp2_reconnect_device"); + SBP2_DEBUG_ENTER(); /* * Set-up reconnect ORB @@ -1453,17 +1437,11 @@ static int sbp2_set_busy_timeout(struct scsi_id_instance_data *scsi_id) { quadlet_t data; - SBP2_DEBUG("sbp2_set_busy_timeout"); + SBP2_DEBUG_ENTER(); - /* - * Ok, let's write to the target's busy timeout register - */ data = cpu_to_be32(SBP2_BUSY_TIMEOUT_VALUE); - - if (hpsb_node_write(scsi_id->ne, SBP2_BUSY_TIMEOUT_ADDRESS, &data, 4)) { - SBP2_ERR("sbp2_set_busy_timeout error"); - } - + if (hpsb_node_write(scsi_id->ne, SBP2_BUSY_TIMEOUT_ADDRESS, &data, 4)) + SBP2_ERR("%s error", __FUNCTION__); return 0; } @@ -1482,7 +1460,7 @@ static void sbp2_parse_unit_directory(struct scsi_id_instance_data *scsi_id, firmware_revision, workarounds; int i; - SBP2_DEBUG("sbp2_parse_unit_directory"); + SBP2_DEBUG_ENTER(); management_agent_addr = 0x0; command_set_spec_id = 0x0; @@ -1615,7 +1593,7 @@ static int sbp2_max_speed_and_size(struct scsi_id_instance_data *scsi_id) { struct sbp2scsi_host_info *hi = scsi_id->hi; - SBP2_DEBUG("sbp2_max_speed_and_size"); + SBP2_DEBUG_ENTER(); /* Initial setting comes from the hosts speed map */ scsi_id->speed_code = @@ -1652,11 +1630,8 @@ static int sbp2_agent_reset(struct scsi_id_instance_data *scsi_id, int wait) u64 addr; int retval; - SBP2_DEBUG("sbp2_agent_reset"); + SBP2_DEBUG_ENTER(); - /* - * Ok, let's write to the target's management agent register - */ data = ntohl(SBP2_AGENT_RESET_DATA); addr = scsi_id->sbp2_command_block_agent_addr + SBP2_AGENT_RESET_OFFSET; @@ -2004,11 +1979,7 @@ static int sbp2_send_command(struct scsi_id_instance_data *scsi_id, unsigned int request_bufflen = SCpnt->request_bufflen; struct sbp2_command_info *command; - SBP2_DEBUG("sbp2_send_command"); -#if (CONFIG_IEEE1394_SBP2_DEBUG >= 2) || defined(CONFIG_IEEE1394_SBP2_PACKET_DUMP) - printk("[scsi command]\n "); - scsi_print_command(SCpnt); -#endif + SBP2_DEBUG_ENTER(); SBP2_DEBUG("SCSI transfer size = %x", request_bufflen); SBP2_DEBUG("SCSI s/g elements = %x", (unsigned int)SCpnt->use_sg); @@ -2048,7 +2019,7 @@ static int sbp2_send_command(struct scsi_id_instance_data *scsi_id, */ static unsigned int sbp2_status_to_sense_data(unchar *sbp2_status, unchar *sense_data) { - SBP2_DEBUG("sbp2_status_to_sense_data"); + SBP2_DEBUG_ENTER(); /* * Ok, it's pretty ugly... ;-) @@ -2082,7 +2053,7 @@ static void sbp2_check_sbp2_response(struct scsi_id_instance_data *scsi_id, { u8 *scsi_buf = SCpnt->request_buffer; - SBP2_DEBUG("sbp2_check_sbp2_response"); + SBP2_DEBUG_ENTER(); if (SCpnt->cmnd[0] == INQUIRY && (SCpnt->cmnd[1] & 3) == 0) { /* @@ -2113,7 +2084,7 @@ static int sbp2_handle_status_write(struct hpsb_host *host, int nodeid, int dest struct sbp2_command_info *command; unsigned long flags; - SBP2_DEBUG("sbp2_handle_status_write"); + SBP2_DEBUG_ENTER(); sbp2util_packet_dump(data, length, "sbp2 status write by device", (u32)addr); @@ -2260,7 +2231,10 @@ static int sbp2scsi_queuecommand(struct scsi_cmnd *SCpnt, struct sbp2scsi_host_info *hi; int result = DID_NO_CONNECT << 16; - SBP2_DEBUG("sbp2scsi_queuecommand"); + SBP2_DEBUG_ENTER(); +#if (CONFIG_IEEE1394_SBP2_DEBUG >= 2) || defined(CONFIG_IEEE1394_SBP2_PACKET_DUMP) + scsi_print_command(SCpnt); +#endif if (!sbp2util_node_is_available(scsi_id)) goto done; @@ -2338,7 +2312,7 @@ static void sbp2scsi_complete_all_commands(struct scsi_id_instance_data *scsi_id struct sbp2_command_info *command; unsigned long flags; - SBP2_DEBUG("sbp2scsi_complete_all_commands"); + SBP2_DEBUG_ENTER(); spin_lock_irqsave(&scsi_id->sbp2_command_orb_lock, flags); while (!list_empty(&scsi_id->sbp2_command_orb_inuse)) { @@ -2371,7 +2345,7 @@ static void sbp2scsi_complete_command(struct scsi_id_instance_data *scsi_id, u32 scsi_status, struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) { - SBP2_DEBUG("sbp2scsi_complete_command"); + SBP2_DEBUG_ENTER(); /* * Sanity @@ -2397,7 +2371,7 @@ static void sbp2scsi_complete_command(struct scsi_id_instance_data *scsi_id, */ switch (scsi_status) { case SBP2_SCSI_STATUS_GOOD: - SCpnt->result = DID_OK; + SCpnt->result = DID_OK << 16; break; case SBP2_SCSI_STATUS_BUSY: @@ -2407,16 +2381,11 @@ static void sbp2scsi_complete_command(struct scsi_id_instance_data *scsi_id, case SBP2_SCSI_STATUS_CHECK_CONDITION: SBP2_DEBUG("SBP2_SCSI_STATUS_CHECK_CONDITION"); - SCpnt->result = CHECK_CONDITION << 1; - - /* - * Debug stuff - */ + SCpnt->result = CHECK_CONDITION << 1 | DID_OK << 16; #if CONFIG_IEEE1394_SBP2_DEBUG >= 1 scsi_print_command(SCpnt); - scsi_print_sense("bh", SCpnt); + scsi_print_sense(SBP2_DEVICE_NAME, SCpnt); #endif - break; case SBP2_SCSI_STATUS_SELECTION_TIMEOUT: @@ -2441,7 +2410,7 @@ static void sbp2scsi_complete_command(struct scsi_id_instance_data *scsi_id, /* * Take care of any sbp2 response data mucking here (RBC stuff, etc.) */ - if (SCpnt->result == DID_OK) { + if (SCpnt->result == DID_OK << 16) { sbp2_check_sbp2_response(scsi_id, SCpnt); } @@ -2459,6 +2428,8 @@ static void sbp2scsi_complete_command(struct scsi_id_instance_data *scsi_id, * If a unit attention occurs, return busy status so it gets * retried... it could have happened because of a 1394 bus reset * or hot-plug... + * XXX DID_BUS_BUSY is actually a bad idea because it will defy + * the scsi layer's retry logic. */ #if 0 if ((scsi_status == SBP2_SCSI_STATUS_CHECK_CONDITION) && @@ -2624,7 +2595,7 @@ static int sbp2_module_init(void) { int ret; - SBP2_DEBUG("sbp2_module_init"); + SBP2_DEBUG_ENTER(); /* Module load debug option to force one command at a time (serializing I/O) */ if (serialize_io) { @@ -2652,7 +2623,7 @@ static int sbp2_module_init(void) static void __exit sbp2_module_exit(void) { - SBP2_DEBUG("sbp2_module_exit"); + SBP2_DEBUG_ENTER(); hpsb_unregister_protocol(&sbp2_driver); diff --git a/drivers/ieee1394/video1394.c b/drivers/ieee1394/video1394.c index 216dbbf1dc8..4e3bd62c458 100644 --- a/drivers/ieee1394/video1394.c +++ b/drivers/ieee1394/video1394.c @@ -42,7 +42,6 @@ #include <linux/poll.h> #include <linux/smp_lock.h> #include <linux/delay.h> -#include <linux/devfs_fs_kernel.h> #include <linux/bitops.h> #include <linux/types.h> #include <linux/vmalloc.h> @@ -1322,9 +1321,6 @@ static void video1394_add_host (struct hpsb_host *host) class_device_create(hpsb_protocol_class, NULL, MKDEV( IEEE1394_MAJOR, minor), NULL, "%s-%d", VIDEO1394_DRIVER_NAME, ohci->host->id); - devfs_mk_cdev(MKDEV(IEEE1394_MAJOR, minor), - S_IFCHR | S_IRUSR | S_IWUSR, - "%s/%d", VIDEO1394_DRIVER_NAME, ohci->host->id); } @@ -1332,12 +1328,9 @@ static void video1394_remove_host (struct hpsb_host *host) { struct ti_ohci *ohci = hpsb_get_hostinfo(&video1394_highlevel, host); - if (ohci) { + if (ohci) class_device_destroy(hpsb_protocol_class, MKDEV(IEEE1394_MAJOR, IEEE1394_MINOR_BLOCK_VIDEO1394 * 16 + ohci->host->id)); - devfs_remove("%s/%d", VIDEO1394_DRIVER_NAME, ohci->host->id); - } - return; } @@ -1478,12 +1471,8 @@ static long video1394_compat_ioctl(struct file *f, unsigned cmd, unsigned long a static void __exit video1394_exit_module (void) { hpsb_unregister_protocol(&video1394_driver); - hpsb_unregister_highlevel(&video1394_highlevel); - - devfs_remove(VIDEO1394_DRIVER_NAME); cdev_del(&video1394_cdev); - PRINT_G(KERN_INFO, "Removed " VIDEO1394_DRIVER_NAME " module"); } @@ -1500,15 +1489,12 @@ static int __init video1394_init_module (void) return ret; } - devfs_mk_dir(VIDEO1394_DRIVER_NAME); - hpsb_register_highlevel(&video1394_highlevel); ret = hpsb_register_protocol(&video1394_driver); if (ret) { PRINT_G(KERN_ERR, "video1394: failed to register protocol"); hpsb_unregister_highlevel(&video1394_highlevel); - devfs_remove(VIDEO1394_DRIVER_NAME); cdev_del(&video1394_cdev); return ret; } diff --git a/drivers/macintosh/adb.c b/drivers/macintosh/adb.c index 34fcabac5fd..259fd8973ce 100644 --- a/drivers/macintosh/adb.c +++ b/drivers/macintosh/adb.c @@ -42,6 +42,7 @@ #include <asm/semaphore.h> #ifdef CONFIG_PPC #include <asm/prom.h> +#include <asm/machdep.h> #endif @@ -294,7 +295,7 @@ int __init adb_init(void) int i; #ifdef CONFIG_PPC32 - if ( (_machine != _MACH_chrp) && (_machine != _MACH_Pmac) ) + if (!machine_is(chrp) && !machine_is(powermac)) return 0; #endif #ifdef CONFIG_MAC diff --git a/drivers/macintosh/adbhid.c b/drivers/macintosh/adbhid.c index f5779a73184..394334ec576 100644 --- a/drivers/macintosh/adbhid.c +++ b/drivers/macintosh/adbhid.c @@ -1206,8 +1206,8 @@ init_ms_a3(int id) static int __init adbhid_init(void) { #ifndef CONFIG_MAC - if ( (_machine != _MACH_chrp) && (_machine != _MACH_Pmac) ) - return 0; + if (!machine_is(chrp) && !machine_is(powermac)) + return 0; #endif led_request.complete = 1; diff --git a/drivers/macintosh/mediabay.c b/drivers/macintosh/mediabay.c index 8dbf2852bae..53c1c790941 100644 --- a/drivers/macintosh/mediabay.c +++ b/drivers/macintosh/mediabay.c @@ -839,8 +839,8 @@ static int __init media_bay_init(void) media_bays[i].cd_index = -1; #endif } - if (_machine != _MACH_Pmac) - return -ENODEV; + if (!machine_is(powermac)) + return 0; macio_register_driver(&media_bay_driver); diff --git a/drivers/media/video/planb.c b/drivers/media/video/planb.c index 522e9ddeb08..d9e3cada52f 100644 --- a/drivers/media/video/planb.c +++ b/drivers/media/video/planb.c @@ -2156,7 +2156,7 @@ static int find_planb(void) struct pci_dev *pdev; int rc; - if (_machine != _MACH_Pmac) + if (!machine_is(powermac)) return 0; planb_devices = find_devices("planb"); diff --git a/drivers/net/tulip/de4x5.c b/drivers/net/tulip/de4x5.c index d1a86a080a6..f5609410204 100644 --- a/drivers/net/tulip/de4x5.c +++ b/drivers/net/tulip/de4x5.c @@ -4160,7 +4160,7 @@ get_hw_addr(struct net_device *dev) ** If the address starts with 00 a0, we have to bit-reverse ** each byte of the address. */ - if ( (_machine & _MACH_Pmac) && + if ( machine_is(powermac) && (dev->dev_addr[0] == 0) && (dev->dev_addr[1] == 0xa0) ) { diff --git a/drivers/scsi/mesh.c b/drivers/scsi/mesh.c index d6d2125f904..f852421002e 100644 --- a/drivers/scsi/mesh.c +++ b/drivers/scsi/mesh.c @@ -1748,7 +1748,7 @@ static int mesh_host_reset(struct scsi_cmnd *cmd) static void set_mesh_power(struct mesh_state *ms, int state) { - if (_machine != _MACH_Pmac) + if (!machine_is(powermac)) return; if (state) { pmac_call_feature(PMAC_FTR_MESH_ENABLE, macio_get_of_node(ms->mdev), 0, 1); diff --git a/drivers/usb/core/hcd-pci.c b/drivers/usb/core/hcd-pci.c index e0afb5ad29e..0d2193b6923 100644 --- a/drivers/usb/core/hcd-pci.c +++ b/drivers/usb/core/hcd-pci.c @@ -296,7 +296,7 @@ done: #ifdef CONFIG_PPC_PMAC /* Disable ASIC clocks for USB */ - if (_machine == _MACH_Pmac) { + if (machine_is(powermac)) { struct device_node *of_node; of_node = pci_device_to_OF_node (dev); @@ -331,7 +331,7 @@ int usb_hcd_pci_resume (struct pci_dev *dev) #ifdef CONFIG_PPC_PMAC /* Reenable ASIC clocks for USB */ - if (_machine == _MACH_Pmac) { + if (machine_is(powermac)) { struct device_node *of_node; of_node = pci_device_to_OF_node (dev); diff --git a/drivers/video/aty/aty128fb.c b/drivers/video/aty/aty128fb.c index 821c6da8e42..f7bbff4ddc6 100644 --- a/drivers/video/aty/aty128fb.c +++ b/drivers/video/aty/aty128fb.c @@ -67,6 +67,7 @@ #include <asm/io.h> #ifdef CONFIG_PPC_PMAC +#include <asm/machdep.h> #include <asm/pmac_feature.h> #include <asm/prom.h> #include <asm/pci-bridge.h> @@ -1748,7 +1749,7 @@ static int __init aty128_init(struct pci_dev *pdev, const struct pci_device_id * var = default_var; #ifdef CONFIG_PPC_PMAC - if (_machine == _MACH_Pmac) { + if (machine_is(powermac)) { /* Indicate sleep capability */ if (par->chip_gen == rage_M3) { pmac_call_feature(PMAC_FTR_DEVICE_CAN_WAKE, NULL, 0, 1); @@ -2011,7 +2012,7 @@ static int aty128fb_blank(int blank, struct fb_info *fb) return 0; #ifdef CONFIG_PMAC_BACKLIGHT - if ((_machine == _MACH_Pmac) && blank) + if (machine_is(powermac) && blank) set_backlight_enable(0); #endif /* CONFIG_PMAC_BACKLIGHT */ @@ -2029,7 +2030,7 @@ static int aty128fb_blank(int blank, struct fb_info *fb) aty128_set_lcd_enable(par, par->lcd_on && !blank); } #ifdef CONFIG_PMAC_BACKLIGHT - if ((_machine == _MACH_Pmac) && !blank) + if (machine_is(powermac) && !blank) set_backlight_enable(1); #endif /* CONFIG_PMAC_BACKLIGHT */ return 0; diff --git a/drivers/video/aty/atyfb_base.c b/drivers/video/aty/atyfb_base.c index e799fcca365..b39e72d5413 100644 --- a/drivers/video/aty/atyfb_base.c +++ b/drivers/video/aty/atyfb_base.c @@ -75,6 +75,7 @@ #include "ati_ids.h" #ifdef __powerpc__ +#include <asm/machdep.h> #include <asm/prom.h> #include "../macmodes.h" #endif @@ -2518,7 +2519,7 @@ static int __init aty_init(struct fb_info *info, const char *name) memset(&var, 0, sizeof(var)); #ifdef CONFIG_PPC - if (_machine == _MACH_Pmac) { + if (machine_is(powermac)) { /* * FIXME: The NVRAM stuff should be put in a Mac-specific file, as it * applies to all Mac video cards @@ -2673,7 +2674,7 @@ static int atyfb_blank(int blank, struct fb_info *info) return 0; #ifdef CONFIG_PMAC_BACKLIGHT - if ((_machine == _MACH_Pmac) && blank > FB_BLANK_NORMAL) + if (machine_is(powermac) && blank > FB_BLANK_NORMAL) set_backlight_enable(0); #elif defined(CONFIG_FB_ATY_GENERIC_LCD) if (par->lcd_table && blank > FB_BLANK_NORMAL && @@ -2705,7 +2706,7 @@ static int atyfb_blank(int blank, struct fb_info *info) aty_st_le32(CRTC_GEN_CNTL, gen_cntl, par); #ifdef CONFIG_PMAC_BACKLIGHT - if ((_machine == _MACH_Pmac) && blank <= FB_BLANK_NORMAL) + if (machine_is(powermac) && blank <= FB_BLANK_NORMAL) set_backlight_enable(1); #elif defined(CONFIG_FB_ATY_GENERIC_LCD) if (par->lcd_table && blank <= FB_BLANK_NORMAL && diff --git a/drivers/video/aty/radeon_pm.c b/drivers/video/aty/radeon_pm.c index 5886a2f1323..c7091761cef 100644 --- a/drivers/video/aty/radeon_pm.c +++ b/drivers/video/aty/radeon_pm.c @@ -20,7 +20,7 @@ #include <linux/agp_backend.h> #ifdef CONFIG_PPC_PMAC -#include <asm/processor.h> +#include <asm/machdep.h> #include <asm/prom.h> #include <asm/pmac_feature.h> #endif @@ -2745,7 +2745,7 @@ void radeonfb_pm_init(struct radeonfb_info *rinfo, int dynclk) rinfo->pm_mode |= radeon_pm_off; } #if defined(CONFIG_PPC_PMAC) - if (_machine == _MACH_Pmac && rinfo->of_node) { + if (machine_is(powermac) && rinfo->of_node) { if (rinfo->is_mobility && rinfo->pm_reg && rinfo->family <= CHIP_FAMILY_RV250) rinfo->pm_mode |= radeon_pm_d2; diff --git a/drivers/video/cirrusfb.c b/drivers/video/cirrusfb.c index 66d6f2f0a21..1103010af54 100644 --- a/drivers/video/cirrusfb.c +++ b/drivers/video/cirrusfb.c @@ -60,8 +60,8 @@ #include <asm/amigahw.h> #endif #ifdef CONFIG_PPC_PREP -#include <asm/processor.h> -#define isPReP (_machine == _MACH_prep) +#include <asm/machdep.h> +#define isPReP (machine_is(prep)) #else #define isPReP 0 #endif diff --git a/drivers/video/matrox/matroxfb_base.c b/drivers/video/matrox/matroxfb_base.c index 951c9974a1d..23c1827b2d0 100644 --- a/drivers/video/matrox/matroxfb_base.c +++ b/drivers/video/matrox/matroxfb_base.c @@ -115,6 +115,7 @@ #include <asm/uaccess.h> #ifdef CONFIG_PPC_PMAC +#include <asm/machdep.h> unsigned char nvram_read_byte(int); static int default_vmode = VMODE_NVRAM; static int default_cmode = CMODE_NVRAM; @@ -1833,7 +1834,7 @@ static int initMatrox2(WPMINFO struct board* b){ /* FIXME: Where to move this?! */ #if defined(CONFIG_PPC_PMAC) #ifndef MODULE - if (_machine == _MACH_Pmac) { + if (machine_is(powermac)) { struct fb_var_screeninfo var; if (default_vmode <= 0 || default_vmode > VMODE_MAX) default_vmode = VMODE_640_480_60; diff --git a/drivers/video/nvidia/nvidia.c b/drivers/video/nvidia/nvidia.c index 6d3e4890cb4..093ab9977c7 100644 --- a/drivers/video/nvidia/nvidia.c +++ b/drivers/video/nvidia/nvidia.c @@ -30,6 +30,7 @@ #include <asm/pci-bridge.h> #endif #ifdef CONFIG_PMAC_BACKLIGHT +#include <asm/machdep.h> #include <asm/backlight.h> #endif @@ -1355,7 +1356,7 @@ static int nvidiafb_blank(int blank, struct fb_info *info) NVWriteCrtc(par, 0x1a, vesa); #ifdef CONFIG_PMAC_BACKLIGHT - if (par->FlatPanel && _machine == _MACH_Pmac) { + if (par->FlatPanel && machine_is(powermac)) { set_backlight_enable(!blank); } #endif @@ -1741,7 +1742,7 @@ static int __devinit nvidiafb_probe(struct pci_dev *pd, info->fix.id, par->FbMapSize / (1024 * 1024), info->fix.smem_start); #ifdef CONFIG_PMAC_BACKLIGHT - if (par->FlatPanel && _machine == _MACH_Pmac) + if (par->FlatPanel && machine_is(powermac)) register_backlight_controller(&nvidia_backlight_controller, par, "mnca"); #endif diff --git a/drivers/video/radeonfb.c b/drivers/video/radeonfb.c index 24982adb3aa..afb6c2ead59 100644 --- a/drivers/video/radeonfb.c +++ b/drivers/video/radeonfb.c @@ -1596,7 +1596,7 @@ static int radeonfb_blank (int blank, struct fb_info *info) return 0; #ifdef CONFIG_PMAC_BACKLIGHT - if (rinfo->dviDisp_type == MT_LCD && _machine == _MACH_Pmac) { + if (rinfo->dviDisp_type == MT_LCD && machine_is(powermac)) { set_backlight_enable(!blank); return 0; } diff --git a/drivers/video/riva/fbdev.c b/drivers/video/riva/fbdev.c index f841f013b96..3e9308f0f16 100644 --- a/drivers/video/riva/fbdev.c +++ b/drivers/video/riva/fbdev.c @@ -49,6 +49,7 @@ #include <asm/pci-bridge.h> #endif #ifdef CONFIG_PMAC_BACKLIGHT +#include <asm/machdep.h> #include <asm/backlight.h> #endif @@ -1247,7 +1248,7 @@ static int rivafb_blank(int blank, struct fb_info *info) CRTCout(par, 0x1a, vesa); #ifdef CONFIG_PMAC_BACKLIGHT - if ( par->FlatPanel && _machine == _MACH_Pmac) { + if ( par->FlatPanel && machine_is(powermac)) { set_backlight_enable(!blank); } #endif @@ -2037,9 +2038,9 @@ static int __devinit rivafb_probe(struct pci_dev *pd, info->fix.smem_len / (1024 * 1024), info->fix.smem_start); #ifdef CONFIG_PMAC_BACKLIGHT - if (default_par->FlatPanel && _machine == _MACH_Pmac) - register_backlight_controller(&riva_backlight_controller, - default_par, "mnca"); + if (default_par->FlatPanel && machine_is(powermac)) + register_backlight_controller(&riva_backlight_controller, + default_par, "mnca"); #endif NVTRACE_LEAVE(); return 0; diff --git a/fs/direct-io.c b/fs/direct-io.c index 9d1d2aa73e4..910a8ed74b5 100644 --- a/fs/direct-io.c +++ b/fs/direct-io.c @@ -524,8 +524,6 @@ static int get_more_blocks(struct dio *dio) */ ret = dio->page_errors; if (ret == 0) { - map_bh->b_state = 0; - map_bh->b_size = 0; BUG_ON(dio->block_in_file >= dio->final_block_in_request); fs_startblk = dio->block_in_file >> dio->blkfactor; dio_count = dio->final_block_in_request - dio->block_in_file; @@ -534,6 +532,9 @@ static int get_more_blocks(struct dio *dio) if (dio_count & blkmask) fs_count++; + map_bh->b_state = 0; + map_bh->b_size = fs_count << dio->inode->i_blkbits; + create = dio->rw == WRITE; if (dio->lock_type == DIO_LOCKING) { if (dio->block_in_file < (i_size_read(dio->inode) >> @@ -542,13 +543,13 @@ static int get_more_blocks(struct dio *dio) } else if (dio->lock_type == DIO_NO_LOCKING) { create = 0; } + /* * For writes inside i_size we forbid block creations: only * overwrites are permitted. We fall back to buffered writes * at a higher level for inside-i_size block-instantiating * writes. */ - map_bh->b_size = fs_count << dio->blkbits; ret = (*dio->get_block)(dio->inode, fs_startblk, map_bh, create); } diff --git a/fs/exec.c b/fs/exec.c index c7397c46ad6..950ebd43cdc 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -616,6 +616,15 @@ static int de_thread(struct task_struct *tsk) kmem_cache_free(sighand_cachep, newsighand); return -EAGAIN; } + + /* + * child_reaper ignores SIGKILL, change it now. + * Reparenting needs write_lock on tasklist_lock, + * so it is safe to do it under read_lock. + */ + if (unlikely(current->group_leader == child_reaper)) + child_reaper = current; + zap_other_threads(current); read_unlock(&tasklist_lock); @@ -699,22 +708,30 @@ static int de_thread(struct task_struct *tsk) remove_parent(current); remove_parent(leader); - switch_exec_pids(leader, current); + + /* Become a process group leader with the old leader's pid. + * Note: The old leader also uses thispid until release_task + * is called. Odd but simple and correct. + */ + detach_pid(current, PIDTYPE_PID); + current->pid = leader->pid; + attach_pid(current, PIDTYPE_PID, current->pid); + attach_pid(current, PIDTYPE_PGID, current->signal->pgrp); + attach_pid(current, PIDTYPE_SID, current->signal->session); + list_add_tail(¤t->tasks, &init_task.tasks); current->parent = current->real_parent = leader->real_parent; leader->parent = leader->real_parent = child_reaper; current->group_leader = current; leader->group_leader = leader; - add_parent(current, current->parent); - add_parent(leader, leader->parent); + add_parent(current); + add_parent(leader); if (ptrace) { current->ptrace = ptrace; __ptrace_link(current, parent); } - list_del(¤t->tasks); - list_add_tail(¤t->tasks, &init_task.tasks); current->exit_signal = SIGCHLD; BUG_ON(leader->exit_state != EXIT_ZOMBIE); @@ -751,7 +768,6 @@ no_thread_group: /* * Move our state over to newsighand and switch it in. */ - spin_lock_init(&newsighand->siglock); atomic_set(&newsighand->count, 1); memcpy(newsighand->action, oldsighand->action, sizeof(newsighand->action)); @@ -768,7 +784,7 @@ no_thread_group: write_unlock_irq(&tasklist_lock); if (atomic_dec_and_test(&oldsighand->count)) - sighand_free(oldsighand); + kmem_cache_free(sighand_cachep, oldsighand); } BUG_ON(!thread_group_leader(current)); diff --git a/fs/partitions/mac.c b/fs/partitions/mac.c index bb22cdd0cb1..813292f2121 100644 --- a/fs/partitions/mac.c +++ b/fs/partitions/mac.c @@ -12,6 +12,7 @@ #include "mac.h" #ifdef CONFIG_PPC_PMAC +#include <asm/machdep.h> extern void note_bootable_part(dev_t dev, int part, int goodness); #endif @@ -79,7 +80,7 @@ int mac_partition(struct parsed_partitions *state, struct block_device *bdev) * If this is the first bootable partition, tell the * setup code, in case it wants to make this the root. */ - if (_machine == _MACH_Pmac) { + if (machine_is(powermac)) { int goodness = 0; mac_fix_string(part->processor, 16); diff --git a/fs/proc/proc_devtree.c b/fs/proc/proc_devtree.c index 596b4b4f1cc..abdf068bc27 100644 --- a/fs/proc/proc_devtree.c +++ b/fs/proc/proc_devtree.c @@ -52,7 +52,8 @@ static int property_read_proc(char *page, char **start, off_t off, * Add a property to a node */ static struct proc_dir_entry * -__proc_device_tree_add_prop(struct proc_dir_entry *de, struct property *pp) +__proc_device_tree_add_prop(struct proc_dir_entry *de, struct property *pp, + const char *name) { struct proc_dir_entry *ent; @@ -60,14 +61,14 @@ __proc_device_tree_add_prop(struct proc_dir_entry *de, struct property *pp) * Unfortunately proc_register puts each new entry * at the beginning of the list. So we rearrange them. */ - ent = create_proc_read_entry(pp->name, - strncmp(pp->name, "security-", 9) + ent = create_proc_read_entry(name, + strncmp(name, "security-", 9) ? S_IRUGO : S_IRUSR, de, property_read_proc, pp); if (ent == NULL) return NULL; - if (!strncmp(pp->name, "security-", 9)) + if (!strncmp(name, "security-", 9)) ent->size = 0; /* don't leak number of password chars */ else ent->size = pp->length; @@ -78,7 +79,7 @@ __proc_device_tree_add_prop(struct proc_dir_entry *de, struct property *pp) void proc_device_tree_add_prop(struct proc_dir_entry *pde, struct property *prop) { - __proc_device_tree_add_prop(pde, prop); + __proc_device_tree_add_prop(pde, prop, prop->name); } void proc_device_tree_remove_prop(struct proc_dir_entry *pde, @@ -106,6 +107,69 @@ void proc_device_tree_update_prop(struct proc_dir_entry *pde, } /* + * Various dodgy firmware might give us nodes and/or properties with + * conflicting names. That's generally ok, except for exporting via /proc, + * so munge names here to ensure they're unique. + */ + +static int duplicate_name(struct proc_dir_entry *de, const char *name) +{ + struct proc_dir_entry *ent; + int found = 0; + + spin_lock(&proc_subdir_lock); + + for (ent = de->subdir; ent != NULL; ent = ent->next) { + if (strcmp(ent->name, name) == 0) { + found = 1; + break; + } + } + + spin_unlock(&proc_subdir_lock); + + return found; +} + +static const char *fixup_name(struct device_node *np, struct proc_dir_entry *de, + const char *name) +{ + char *fixed_name; + int fixup_len = strlen(name) + 2 + 1; /* name + #x + \0 */ + int i = 1, size; + +realloc: + fixed_name = kmalloc(fixup_len, GFP_KERNEL); + if (fixed_name == NULL) { + printk(KERN_ERR "device-tree: Out of memory trying to fixup " + "name \"%s\"\n", name); + return name; + } + +retry: + size = snprintf(fixed_name, fixup_len, "%s#%d", name, i); + size++; /* account for NULL */ + + if (size > fixup_len) { + /* We ran out of space, free and reallocate. */ + kfree(fixed_name); + fixup_len = size; + goto realloc; + } + + if (duplicate_name(de, fixed_name)) { + /* Multiple duplicates. Retry with a different offset. */ + i++; + goto retry; + } + + printk(KERN_WARNING "device-tree: Duplicate name in %s, " + "renamed to \"%s\"\n", np->full_name, fixed_name); + + return fixed_name; +} + +/* * Process a node, adding entries for its children and its properties. */ void proc_device_tree_add_node(struct device_node *np, @@ -118,37 +182,30 @@ void proc_device_tree_add_node(struct device_node *np, set_node_proc_entry(np, de); for (child = NULL; (child = of_get_next_child(np, child));) { + /* Use everything after the last slash, or the full name */ p = strrchr(child->full_name, '/'); if (!p) p = child->full_name; else ++p; + + if (duplicate_name(de, p)) + p = fixup_name(np, de, p); + ent = proc_mkdir(p, de); if (ent == 0) break; proc_device_tree_add_node(child, ent); } of_node_put(child); + for (pp = np->properties; pp != 0; pp = pp->next) { - /* - * Yet another Apple device-tree bogosity: on some machines, - * they have properties & nodes with the same name. Those - * properties are quite unimportant for us though, thus we - * simply "skip" them here, but we do have to check. - */ - spin_lock(&proc_subdir_lock); - for (ent = de->subdir; ent != NULL; ent = ent->next) - if (!strcmp(ent->name, pp->name)) - break; - spin_unlock(&proc_subdir_lock); - if (ent != NULL) { - printk(KERN_WARNING "device-tree: property \"%s\" name" - " conflicts with node in %s\n", pp->name, - np->full_name); - continue; - } + p = pp->name; + + if (duplicate_name(de, p)) + p = fixup_name(np, de, p); - ent = __proc_device_tree_add_prop(de, pp); + ent = __proc_device_tree_add_prop(de, pp, p); if (ent == 0) break; } diff --git a/fs/xfs/linux-2.6/mrlock.h b/fs/xfs/linux-2.6/mrlock.h index 16b44c3c236..1b262b790d9 100644 --- a/fs/xfs/linux-2.6/mrlock.h +++ b/fs/xfs/linux-2.6/mrlock.h @@ -79,7 +79,7 @@ static inline void mrdemote(mrlock_t *mrp) * Debug-only routine, without some platform-specific asm code, we can * now only answer requests regarding whether we hold the lock for write * (reader state is outside our visibility, we only track writer state). - * Note: means !ismrlocked would give false positivies, so don't do that. + * Note: means !ismrlocked would give false positives, so don't do that. */ static inline int ismrlocked(mrlock_t *mrp, int type) { diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c index c02f7c5b746..6cbbd165c60 100644 --- a/fs/xfs/linux-2.6/xfs_aops.c +++ b/fs/xfs/linux-2.6/xfs_aops.c @@ -372,7 +372,7 @@ static inline int bio_add_buffer(struct bio *bio, struct buffer_head *bh) * assumes that all buffers on the page are started at the same time. * * The fix is two passes across the ioend list - one to start writeback on the - * bufferheads, and then the second one submit them for I/O. + * buffer_heads, and then submit them for I/O on the second pass. */ STATIC void xfs_submit_ioend( @@ -699,7 +699,7 @@ xfs_convert_page( /* * page_dirty is initially a count of buffers on the page before - * EOF and is decrememted as we move each into a cleanable state. + * EOF and is decremented as we move each into a cleanable state. * * Derivation: * @@ -842,7 +842,7 @@ xfs_cluster_write( * page if possible. * The bh->b_state's cannot know if any of the blocks or which block for * that matter are dirty due to mmap writes, and therefore bh uptodate is - * only vaild if the page itself isn't completely uptodate. Some layers + * only valid if the page itself isn't completely uptodate. Some layers * may clear the page dirty flag prior to calling write page, under the * assumption the entire page will be written out; by not writing out the * whole page the page can be reused before all valid dirty data is @@ -892,7 +892,7 @@ xfs_page_state_convert( /* * page_dirty is initially a count of buffers on the page before - * EOF and is decrememted as we move each into a cleanable state. + * EOF and is decremented as we move each into a cleanable state. * * Derivation: * @@ -1223,10 +1223,9 @@ free_buffers: } STATIC int -__xfs_get_block( +__xfs_get_blocks( struct inode *inode, sector_t iblock, - unsigned long blocks, struct buffer_head *bh_result, int create, int direct, @@ -1236,22 +1235,17 @@ __xfs_get_block( xfs_iomap_t iomap; xfs_off_t offset; ssize_t size; - int retpbbm = 1; + int niomap = 1; int error; offset = (xfs_off_t)iblock << inode->i_blkbits; - if (blocks) - size = (ssize_t) min_t(xfs_off_t, LONG_MAX, - (xfs_off_t)blocks << inode->i_blkbits); - else - size = 1 << inode->i_blkbits; - + ASSERT(bh_result->b_size >= (1 << inode->i_blkbits)); + size = bh_result->b_size; VOP_BMAP(vp, offset, size, - create ? flags : BMAPI_READ, &iomap, &retpbbm, error); + create ? flags : BMAPI_READ, &iomap, &niomap, error); if (error) return -error; - - if (retpbbm == 0) + if (niomap == 0) return 0; if (iomap.iomap_bn != IOMAP_DADDR_NULL) { @@ -1271,12 +1265,16 @@ __xfs_get_block( } } - /* If this is a realtime file, data might be on a new device */ + /* + * If this is a realtime file, data may be on a different device. + * to that pointed to from the buffer_head b_bdev currently. + */ bh_result->b_bdev = iomap.iomap_target->bt_bdev; - /* If we previously allocated a block out beyond eof and - * we are now coming back to use it then we will need to - * flag it as new even if it has a disk address. + /* + * If we previously allocated a block out beyond eof and we are + * now coming back to use it then we will need to flag it as new + * even if it has a disk address. */ if (create && ((!buffer_mapped(bh_result) && !buffer_uptodate(bh_result)) || @@ -1292,26 +1290,24 @@ __xfs_get_block( } } - if (blocks) { + if (direct || size > (1 << inode->i_blkbits)) { ASSERT(iomap.iomap_bsize - iomap.iomap_delta > 0); offset = min_t(xfs_off_t, - iomap.iomap_bsize - iomap.iomap_delta, - (xfs_off_t)blocks << inode->i_blkbits); - bh_result->b_size = (u32) min_t(xfs_off_t, UINT_MAX, offset); + iomap.iomap_bsize - iomap.iomap_delta, size); + bh_result->b_size = (ssize_t)min_t(xfs_off_t, LONG_MAX, offset); } return 0; } int -xfs_get_block( +xfs_get_blocks( struct inode *inode, sector_t iblock, struct buffer_head *bh_result, int create) { - return __xfs_get_block(inode, iblock, - bh_result->b_size >> inode->i_blkbits, + return __xfs_get_blocks(inode, iblock, bh_result, create, 0, BMAPI_WRITE); } @@ -1322,8 +1318,7 @@ xfs_get_blocks_direct( struct buffer_head *bh_result, int create) { - return __xfs_get_block(inode, iblock, - bh_result->b_size >> inode->i_blkbits, + return __xfs_get_blocks(inode, iblock, bh_result, create, 1, BMAPI_WRITE|BMAPI_DIRECT); } @@ -1339,9 +1334,9 @@ xfs_end_io_direct( /* * Non-NULL private data means we need to issue a transaction to * convert a range from unwritten to written extents. This needs - * to happen from process contect but aio+dio I/O completion + * to happen from process context but aio+dio I/O completion * happens from irq context so we need to defer it to a workqueue. - * This is not nessecary for synchronous direct I/O, but we do + * This is not necessary for synchronous direct I/O, but we do * it anyway to keep the code uniform and simpler. * * The core direct I/O code might be changed to always call the @@ -1358,7 +1353,7 @@ xfs_end_io_direct( } /* - * blockdev_direct_IO can return an error even afer the I/O + * blockdev_direct_IO can return an error even after the I/O * completion handler was called. Thus we need to protect * against double-freeing. */ @@ -1405,7 +1400,7 @@ xfs_vm_prepare_write( unsigned int from, unsigned int to) { - return block_prepare_write(page, from, to, xfs_get_block); + return block_prepare_write(page, from, to, xfs_get_blocks); } STATIC sector_t @@ -1422,7 +1417,7 @@ xfs_vm_bmap( VOP_RWLOCK(vp, VRWLOCK_READ); VOP_FLUSH_PAGES(vp, (xfs_off_t)0, -1, 0, FI_REMAPF, error); VOP_RWUNLOCK(vp, VRWLOCK_READ); - return generic_block_bmap(mapping, block, xfs_get_block); + return generic_block_bmap(mapping, block, xfs_get_blocks); } STATIC int @@ -1430,7 +1425,7 @@ xfs_vm_readpage( struct file *unused, struct page *page) { - return mpage_readpage(page, xfs_get_block); + return mpage_readpage(page, xfs_get_blocks); } STATIC int @@ -1440,7 +1435,7 @@ xfs_vm_readpages( struct list_head *pages, unsigned nr_pages) { - return mpage_readpages(mapping, pages, nr_pages, xfs_get_block); + return mpage_readpages(mapping, pages, nr_pages, xfs_get_blocks); } STATIC void diff --git a/fs/xfs/linux-2.6/xfs_aops.h b/fs/xfs/linux-2.6/xfs_aops.h index 795699f121d..60716543c68 100644 --- a/fs/xfs/linux-2.6/xfs_aops.h +++ b/fs/xfs/linux-2.6/xfs_aops.h @@ -41,6 +41,6 @@ typedef struct xfs_ioend { } xfs_ioend_t; extern struct address_space_operations xfs_address_space_operations; -extern int xfs_get_block(struct inode *, sector_t, struct buffer_head *, int); +extern int xfs_get_blocks(struct inode *, sector_t, struct buffer_head *, int); #endif /* __XFS_IOPS_H__ */ diff --git a/fs/xfs/linux-2.6/xfs_export.h b/fs/xfs/linux-2.6/xfs_export.h index e5b0559700a..e794ca4efc7 100644 --- a/fs/xfs/linux-2.6/xfs_export.h +++ b/fs/xfs/linux-2.6/xfs_export.h @@ -54,7 +54,7 @@ * Note, the NFS filehandle also includes an fsid portion which * may have an inode number in it. That number is hardcoded to * 32bits and there is no way for XFS to intercept it. In - * practice this means when exporting an XFS filesytem with 64bit + * practice this means when exporting an XFS filesystem with 64bit * inodes you should either export the mountpoint (rather than * a subdirectory) or use the "fsid" export option. */ diff --git a/fs/xfs/linux-2.6/xfs_ioctl32.c b/fs/xfs/linux-2.6/xfs_ioctl32.c index b6321abd9a8..251bfe451a3 100644 --- a/fs/xfs/linux-2.6/xfs_ioctl32.c +++ b/fs/xfs/linux-2.6/xfs_ioctl32.c @@ -72,7 +72,7 @@ xfs_ioctl32_flock( copy_in_user(&p->l_pid, &p32->l_pid, sizeof(u32)) || copy_in_user(&p->l_pad, &p32->l_pad, 4*sizeof(u32))) return -EFAULT; - + return (unsigned long)p; } @@ -107,11 +107,15 @@ xfs_ioctl32_bulkstat( #endif STATIC long -xfs_compat_ioctl(int mode, struct file *f, unsigned cmd, unsigned long arg) +xfs_compat_ioctl( + int mode, + struct file *file, + unsigned cmd, + unsigned long arg) { + struct inode *inode = file->f_dentry->d_inode; + vnode_t *vp = vn_from_inode(inode); int error; - struct inode *inode = f->f_dentry->d_inode; - vnode_t *vp = vn_to_inode(inode); switch (cmd) { case XFS_IOC_DIOINFO: @@ -189,7 +193,7 @@ xfs_compat_ioctl(int mode, struct file *f, unsigned cmd, unsigned long arg) return -ENOIOCTLCMD; } - VOP_IOCTL(vp, inode, f, mode, cmd, (void __user *)arg, error); + VOP_IOCTL(vp, inode, file, mode, cmd, (void __user *)arg, error); VMODIFY(vp); return error; @@ -197,18 +201,18 @@ xfs_compat_ioctl(int mode, struct file *f, unsigned cmd, unsigned long arg) long xfs_file_compat_ioctl( - struct file *f, + struct file *file, unsigned cmd, unsigned long arg) { - return xfs_compat_ioctl(0, f, cmd, arg); + return xfs_compat_ioctl(0, file, cmd, arg); } long xfs_file_compat_invis_ioctl( - struct file *f, + struct file *file, unsigned cmd, unsigned long arg) { - return xfs_compat_ioctl(IO_INVIS, f, cmd, arg); + return xfs_compat_ioctl(IO_INVIS, file, cmd, arg); } diff --git a/fs/xfs/linux-2.6/xfs_iops.c b/fs/xfs/linux-2.6/xfs_iops.c index af487437bd7..149237304fb 100644 --- a/fs/xfs/linux-2.6/xfs_iops.c +++ b/fs/xfs/linux-2.6/xfs_iops.c @@ -708,7 +708,7 @@ STATIC void xfs_vn_truncate( struct inode *inode) { - block_truncate_page(inode->i_mapping, inode->i_size, xfs_get_block); + block_truncate_page(inode->i_mapping, inode->i_size, xfs_get_blocks); } STATIC int diff --git a/fs/xfs/linux-2.6/xfs_lrw.c b/fs/xfs/linux-2.6/xfs_lrw.c index 0169360475c..84ddf189389 100644 --- a/fs/xfs/linux-2.6/xfs_lrw.c +++ b/fs/xfs/linux-2.6/xfs_lrw.c @@ -681,7 +681,7 @@ start: eventsent = 1; /* - * The iolock was dropped and reaquired in XFS_SEND_DATA + * The iolock was dropped and reacquired in XFS_SEND_DATA * so we have to recheck the size when appending. * We will only "goto start;" once, since having sent the * event prevents another call to XFS_SEND_DATA, which is diff --git a/fs/xfs/linux-2.6/xfs_vfs.h b/fs/xfs/linux-2.6/xfs_vfs.h index 8fed356db05..841200c0309 100644 --- a/fs/xfs/linux-2.6/xfs_vfs.h +++ b/fs/xfs/linux-2.6/xfs_vfs.h @@ -92,7 +92,7 @@ typedef enum { #define SYNC_FSDATA 0x0020 /* flush fs data (e.g. superblocks) */ #define SYNC_REFCACHE 0x0040 /* prune some of the nfs ref cache */ #define SYNC_REMOUNT 0x0080 /* remount readonly, no dummy LRs */ -#define SYNC_QUIESCE 0x0100 /* quiesce fileystem for a snapshot */ +#define SYNC_QUIESCE 0x0100 /* quiesce filesystem for a snapshot */ typedef int (*vfs_mount_t)(bhv_desc_t *, struct xfs_mount_args *, struct cred *); diff --git a/fs/xfs/quota/xfs_dquot_item.c b/fs/xfs/quota/xfs_dquot_item.c index e4e5f05b841..546f48af882 100644 --- a/fs/xfs/quota/xfs_dquot_item.c +++ b/fs/xfs/quota/xfs_dquot_item.c @@ -221,7 +221,7 @@ xfs_qm_dqunpin_wait( * as possible. * * We must not be holding the AIL_LOCK at this point. Calling incore() to - * search the buffercache can be a time consuming thing, and AIL_LOCK is a + * search the buffer cache can be a time consuming thing, and AIL_LOCK is a * spinlock. */ STATIC void diff --git a/fs/xfs/quota/xfs_qm.c b/fs/xfs/quota/xfs_qm.c index 1fb757ef3f4..73c1e5e80c0 100644 --- a/fs/xfs/quota/xfs_qm.c +++ b/fs/xfs/quota/xfs_qm.c @@ -289,7 +289,7 @@ xfs_qm_rele_quotafs_ref( /* * This is called at mount time from xfs_mountfs to initialize the quotainfo - * structure and start the global quotamanager (xfs_Gqm) if it hasn't done + * structure and start the global quota manager (xfs_Gqm) if it hasn't done * so already. Note that the superblock has not been read in yet. */ void @@ -807,7 +807,7 @@ xfs_qm_dqattach_one( * Given a udquot and gdquot, attach a ptr to the group dquot in the * udquot as a hint for future lookups. The idea sounds simple, but the * execution isn't, because the udquot might have a group dquot attached - * already and getting rid of that gets us into lock ordering contraints. + * already and getting rid of that gets us into lock ordering constraints. * The process is complicated more by the fact that the dquots may or may not * be locked on entry. */ @@ -1094,10 +1094,10 @@ xfs_qm_sync( } /* * If we can't grab the flush lock then if the caller - * really wanted us to give this our best shot, + * really wanted us to give this our best shot, so * see if we can give a push to the buffer before we wait * on the flush lock. At this point, we know that - * eventhough the dquot is being flushed, + * even though the dquot is being flushed, * it has (new) dirty data. */ xfs_qm_dqflock_pushbuf_wait(dqp); @@ -1491,7 +1491,7 @@ xfs_qm_reset_dqcounts( /* * Do a sanity check, and if needed, repair the dqblk. Don't * output any warnings because it's perfectly possible to - * find unitialized dquot blks. See comment in xfs_qm_dqcheck. + * find uninitialised dquot blks. See comment in xfs_qm_dqcheck. */ (void) xfs_qm_dqcheck(ddq, id+j, type, XFS_QMOPT_DQREPAIR, "xfs_quotacheck"); @@ -1580,7 +1580,7 @@ xfs_qm_dqiterate( error = 0; /* - * This looks racey, but we can't keep an inode lock across a + * This looks racy, but we can't keep an inode lock across a * trans_reserve. But, this gets called during quotacheck, and that * happens only at mount time which is single threaded. */ @@ -1824,7 +1824,7 @@ xfs_qm_dqusage_adjust( * we have to start from the beginning anyway. * Once we're done, we'll log all the dquot bufs. * - * The *QUOTA_ON checks below may look pretty racey, but quotachecks + * The *QUOTA_ON checks below may look pretty racy, but quotachecks * and quotaoffs don't race. (Quotachecks happen at mount time only). */ if (XFS_IS_UQUOTA_ON(mp)) { diff --git a/fs/xfs/quota/xfs_qm_syscalls.c b/fs/xfs/quota/xfs_qm_syscalls.c index 676884394aa..c55db463bbf 100644 --- a/fs/xfs/quota/xfs_qm_syscalls.c +++ b/fs/xfs/quota/xfs_qm_syscalls.c @@ -912,7 +912,7 @@ xfs_qm_export_dquot( /* * Internally, we don't reset all the timers when quota enforcement - * gets turned off. No need to confuse the userlevel code, + * gets turned off. No need to confuse the user level code, * so return zeroes in that case. */ if (! XFS_IS_QUOTA_ENFORCED(mp)) { diff --git a/fs/xfs/quota/xfs_trans_dquot.c b/fs/xfs/quota/xfs_trans_dquot.c index 3290975d31f..d8e131ec0aa 100644 --- a/fs/xfs/quota/xfs_trans_dquot.c +++ b/fs/xfs/quota/xfs_trans_dquot.c @@ -804,7 +804,7 @@ xfs_trans_reserve_quota_bydquots( } /* - * Didnt change anything critical, so, no need to log + * Didn't change anything critical, so, no need to log */ return (0); } diff --git a/fs/xfs/xfs_acl.c b/fs/xfs/xfs_acl.c index 4ff0f4e41c6..2539af34eb6 100644 --- a/fs/xfs/xfs_acl.c +++ b/fs/xfs/xfs_acl.c @@ -395,7 +395,7 @@ xfs_acl_allow_set( * The access control process to determine the access permission: * if uid == file owner id, use the file owner bits. * if gid == file owner group id, use the file group bits. - * scan ACL for a maching user or group, and use matched entry + * scan ACL for a matching user or group, and use matched entry * permission. Use total permissions of all matching group entries, * until all acl entries are exhausted. The final permission produced * by matching acl entry or entries needs to be & with group permission. diff --git a/fs/xfs/xfs_ag.h b/fs/xfs/xfs_ag.h index a96e2ffce0c..dc2361dd740 100644 --- a/fs/xfs/xfs_ag.h +++ b/fs/xfs/xfs_ag.h @@ -179,7 +179,7 @@ typedef struct xfs_perag { char pagf_init; /* this agf's entry is initialized */ char pagi_init; /* this agi's entry is initialized */ - char pagf_metadata; /* the agf is prefered to be metadata */ + char pagf_metadata; /* the agf is preferred to be metadata */ char pagi_inodeok; /* The agi is ok for inodes */ __uint8_t pagf_levels[XFS_BTNUM_AGF]; /* # of levels in bno & cnt btree */ diff --git a/fs/xfs/xfs_alloc.c b/fs/xfs/xfs_alloc.c index f4328e1e2a7..64ee07db0d5 100644 --- a/fs/xfs/xfs_alloc.c +++ b/fs/xfs/xfs_alloc.c @@ -511,7 +511,7 @@ STATIC void xfs_alloc_trace_busy( char *name, /* function tag string */ char *str, /* additional string */ - xfs_mount_t *mp, /* file system mount poing */ + xfs_mount_t *mp, /* file system mount point */ xfs_agnumber_t agno, /* allocation group number */ xfs_agblock_t agbno, /* a.g. relative block number */ xfs_extlen_t len, /* length of extent */ @@ -1843,7 +1843,7 @@ xfs_alloc_fix_freelist( } else agbp = NULL; - /* If this is a metadata prefered pag and we are user data + /* If this is a metadata preferred pag and we are user data * then try somewhere else if we are not being asked to * try harder at this point */ @@ -2458,7 +2458,7 @@ error0: /* * AG Busy list management * The busy list contains block ranges that have been freed but whose - * transacations have not yet hit disk. If any block listed in a busy + * transactions have not yet hit disk. If any block listed in a busy * list is reused, the transaction that freed it must be forced to disk * before continuing to use the block. * diff --git a/fs/xfs/xfs_alloc.h b/fs/xfs/xfs_alloc.h index 3546dea27b7..2d1f8928b26 100644 --- a/fs/xfs/xfs_alloc.h +++ b/fs/xfs/xfs_alloc.h @@ -68,7 +68,7 @@ typedef struct xfs_alloc_arg { xfs_alloctype_t otype; /* original allocation type */ char wasdel; /* set if allocation was prev delayed */ char wasfromfl; /* set if allocation is from freelist */ - char isfl; /* set if is freelist blocks - !actg */ + char isfl; /* set if is freelist blocks - !acctg */ char userdata; /* set if this is user data */ } xfs_alloc_arg_t; diff --git a/fs/xfs/xfs_attr.c b/fs/xfs/xfs_attr.c index 093fac476bd..b6e1e02bbb2 100644 --- a/fs/xfs/xfs_attr.c +++ b/fs/xfs/xfs_attr.c @@ -294,7 +294,7 @@ xfs_attr_set_int(xfs_inode_t *dp, const char *name, int namelen, xfs_trans_ihold(args.trans, dp); /* - * If the attribute list is non-existant or a shortform list, + * If the attribute list is non-existent or a shortform list, * upgrade it to a single-leaf-block attribute list. */ if ((dp->i_d.di_aformat == XFS_DINODE_FMT_LOCAL) || @@ -1584,7 +1584,7 @@ out: * Fill in the disk block numbers in the state structure for the buffers * that are attached to the state structure. * This is done so that we can quickly reattach ourselves to those buffers - * after some set of transaction commit's has released these buffers. + * after some set of transaction commits have released these buffers. */ STATIC int xfs_attr_fillstate(xfs_da_state_t *state) @@ -1631,7 +1631,7 @@ xfs_attr_fillstate(xfs_da_state_t *state) /* * Reattach the buffers to the state structure based on the disk block * numbers stored in the state structure. - * This is done after some set of transaction commit's has released those + * This is done after some set of transaction commits have released those * buffers from our grip. */ STATIC int diff --git a/fs/xfs/xfs_attr_leaf.c b/fs/xfs/xfs_attr_leaf.c index 717682747bd..9462be86aa1 100644 --- a/fs/xfs/xfs_attr_leaf.c +++ b/fs/xfs/xfs_attr_leaf.c @@ -524,7 +524,7 @@ xfs_attr_shortform_compare(const void *a, const void *b) /* * Copy out entries of shortform attribute lists for attr_list(). - * Shortform atrtribute lists are not stored in hashval sorted order. + * Shortform attribute lists are not stored in hashval sorted order. * If the output buffer is not large enough to hold them all, then we * we have to calculate each entries' hashvalue and sort them before * we can begin returning them to the user. @@ -1541,7 +1541,7 @@ xfs_attr_leaf_toosmall(xfs_da_state_t *state, int *action) /* * Check for the degenerate case of the block being empty. * If the block is empty, we'll simply delete it, no need to - * coalesce it with a sibling block. We choose (aribtrarily) + * coalesce it with a sibling block. We choose (arbitrarily) * to merge with the forward block unless it is NULL. */ if (count == 0) { diff --git a/fs/xfs/xfs_behavior.c b/fs/xfs/xfs_behavior.c index 9880adae393..f4fe3715a80 100644 --- a/fs/xfs/xfs_behavior.c +++ b/fs/xfs/xfs_behavior.c @@ -31,7 +31,7 @@ * The behavior chain is ordered based on the 'position' number which * lives in the first field of the ops vector (higher numbers first). * - * Attemps to insert duplicate ops result in an EINVAL return code. + * Attempts to insert duplicate ops result in an EINVAL return code. * Otherwise, return 0 to indicate success. */ int @@ -84,7 +84,7 @@ bhv_insert(bhv_head_t *bhp, bhv_desc_t *bdp) /* * Remove a behavior descriptor from a position in a behavior chain; - * the postition is guaranteed not to be the first position. + * the position is guaranteed not to be the first position. * Should only be called by the bhv_remove() macro. */ void diff --git a/fs/xfs/xfs_behavior.h b/fs/xfs/xfs_behavior.h index 2cd89bb5ab1..1d8ff103201 100644 --- a/fs/xfs/xfs_behavior.h +++ b/fs/xfs/xfs_behavior.h @@ -39,7 +39,7 @@ * behaviors is synchronized with operations-in-progress (oip's) so that * the oip's always see a consistent view of the chain. * - * The term "interpostion" is used to refer to the act of inserting + * The term "interposition" is used to refer to the act of inserting * a behavior such that it interposes on (i.e., is inserted in front * of) a particular other behavior. A key example of this is when a * system implementing distributed single system image wishes to @@ -51,7 +51,7 @@ * * Behavior synchronization is logic which is necessary under certain * circumstances that there is no conflict between ongoing operations - * traversing the behavior chain and those dunamically modifying the + * traversing the behavior chain and those dynamically modifying the * behavior chain. Because behavior synchronization adds extra overhead * to virtual operation invocation, we want to restrict, as much as * we can, the requirement for this extra code, to those situations diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c index 2d702e4a74a..d384e489705 100644 --- a/fs/xfs/xfs_bmap.c +++ b/fs/xfs/xfs_bmap.c @@ -3467,113 +3467,6 @@ done: return error; } -xfs_bmbt_rec_t * /* pointer to found extent entry */ -xfs_bmap_do_search_extents( - xfs_bmbt_rec_t *base, /* base of extent list */ - xfs_extnum_t lastx, /* last extent index used */ - xfs_extnum_t nextents, /* number of file extents */ - xfs_fileoff_t bno, /* block number searched for */ - int *eofp, /* out: end of file found */ - xfs_extnum_t *lastxp, /* out: last extent index */ - xfs_bmbt_irec_t *gotp, /* out: extent entry found */ - xfs_bmbt_irec_t *prevp) /* out: previous extent entry found */ -{ - xfs_bmbt_rec_t *ep; /* extent list entry pointer */ - xfs_bmbt_irec_t got; /* extent list entry, decoded */ - int high; /* high index of binary search */ - int low; /* low index of binary search */ - - /* - * Initialize the extent entry structure to catch access to - * uninitialized br_startblock field. - */ - got.br_startoff = 0xffa5a5a5a5a5a5a5LL; - got.br_blockcount = 0xa55a5a5a5a5a5a5aLL; - got.br_state = XFS_EXT_INVALID; - -#if XFS_BIG_BLKNOS - got.br_startblock = 0xffffa5a5a5a5a5a5LL; -#else - got.br_startblock = 0xffffa5a5; -#endif - - if (lastx != NULLEXTNUM && lastx < nextents) - ep = base + lastx; - else - ep = NULL; - prevp->br_startoff = NULLFILEOFF; - if (ep && bno >= (got.br_startoff = xfs_bmbt_get_startoff(ep)) && - bno < got.br_startoff + - (got.br_blockcount = xfs_bmbt_get_blockcount(ep))) - *eofp = 0; - else if (ep && lastx < nextents - 1 && - bno >= (got.br_startoff = xfs_bmbt_get_startoff(ep + 1)) && - bno < got.br_startoff + - (got.br_blockcount = xfs_bmbt_get_blockcount(ep + 1))) { - lastx++; - ep++; - *eofp = 0; - } else if (nextents == 0) - *eofp = 1; - else if (bno == 0 && - (got.br_startoff = xfs_bmbt_get_startoff(base)) == 0) { - ep = base; - lastx = 0; - got.br_blockcount = xfs_bmbt_get_blockcount(ep); - *eofp = 0; - } else { - low = 0; - high = nextents - 1; - /* binary search the extents array */ - while (low <= high) { - XFS_STATS_INC(xs_cmp_exlist); - lastx = (low + high) >> 1; - ep = base + lastx; - got.br_startoff = xfs_bmbt_get_startoff(ep); - got.br_blockcount = xfs_bmbt_get_blockcount(ep); - if (bno < got.br_startoff) - high = lastx - 1; - else if (bno >= got.br_startoff + got.br_blockcount) - low = lastx + 1; - else { - got.br_startblock = xfs_bmbt_get_startblock(ep); - got.br_state = xfs_bmbt_get_state(ep); - *eofp = 0; - *lastxp = lastx; - *gotp = got; - return ep; - } - } - if (bno >= got.br_startoff + got.br_blockcount) { - lastx++; - if (lastx == nextents) { - *eofp = 1; - got.br_startblock = xfs_bmbt_get_startblock(ep); - got.br_state = xfs_bmbt_get_state(ep); - *prevp = got; - ep = NULL; - } else { - *eofp = 0; - xfs_bmbt_get_all(ep, prevp); - ep++; - got.br_startoff = xfs_bmbt_get_startoff(ep); - got.br_blockcount = xfs_bmbt_get_blockcount(ep); - } - } else { - *eofp = 0; - if (ep > base) - xfs_bmbt_get_all(ep - 1, prevp); - } - } - if (ep) { - got.br_startblock = xfs_bmbt_get_startblock(ep); - got.br_state = xfs_bmbt_get_state(ep); - } - *lastxp = lastx; - *gotp = got; - return ep; -} - /* * Search the extent records for the entry containing block bno. * If bno lies in a hole, point to the next entry. If bno lies diff --git a/fs/xfs/xfs_bmap.h b/fs/xfs/xfs_bmap.h index 011ccaa9a1c..f83399c89ce 100644 --- a/fs/xfs/xfs_bmap.h +++ b/fs/xfs/xfs_bmap.h @@ -362,14 +362,6 @@ xfs_bmbt_rec_t * xfs_bmap_search_multi_extents(struct xfs_ifork *, xfs_fileoff_t, int *, xfs_extnum_t *, xfs_bmbt_irec_t *, xfs_bmbt_irec_t *); -/* - * Search an extent list for the extent which includes block - * bno. - */ -xfs_bmbt_rec_t *xfs_bmap_do_search_extents(xfs_bmbt_rec_t *, - xfs_extnum_t, xfs_extnum_t, xfs_fileoff_t, int *, - xfs_extnum_t *, xfs_bmbt_irec_t *, xfs_bmbt_irec_t *); - #endif /* __KERNEL__ */ #endif /* __XFS_BMAP_H__ */ diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c index 07e2324152b..5fed15682dd 100644 --- a/fs/xfs/xfs_buf_item.c +++ b/fs/xfs/xfs_buf_item.c @@ -98,12 +98,12 @@ xfs_buf_item_flush_log_debug( } /* - * This function is called to verify that our caller's have logged + * This function is called to verify that our callers have logged * all the bytes that they changed. * * It does this by comparing the original copy of the buffer stored in * the buf log item's bli_orig array to the current copy of the buffer - * and ensuring that all bytes which miscompare are set in the bli_logged + * and ensuring that all bytes which mismatch are set in the bli_logged * array of the buf log item. */ STATIC void diff --git a/fs/xfs/xfs_cap.h b/fs/xfs/xfs_cap.h index 433ec537f9b..d0035c6e951 100644 --- a/fs/xfs/xfs_cap.h +++ b/fs/xfs/xfs_cap.h @@ -38,7 +38,7 @@ typedef struct xfs_cap_set { /* * For Linux, we take the bitfields directly from capability.h * and no longer attempt to keep this attribute ondisk compatible - * with IRIX. Since this attribute is only set on exectuables, + * with IRIX. Since this attribute is only set on executables, * it just doesn't make much sense to try. We do use a different * named attribute though, to avoid confusion. */ diff --git a/fs/xfs/xfs_da_btree.c b/fs/xfs/xfs_da_btree.c index 4bae3a76c67..8988b905117 100644 --- a/fs/xfs/xfs_da_btree.c +++ b/fs/xfs/xfs_da_btree.c @@ -840,7 +840,7 @@ xfs_da_node_toosmall(xfs_da_state_t *state, int *action) /* * Check for the degenerate case of the block being empty. * If the block is empty, we'll simply delete it, no need to - * coalesce it with a sibling block. We choose (aribtrarily) + * coalesce it with a sibling block. We choose (arbitrarily) * to merge with the forward block unless it is NULL. */ if (count == 0) { diff --git a/fs/xfs/xfs_dir2_block.c b/fs/xfs/xfs_dir2_block.c index bd5cee6aa51..972ded59547 100644 --- a/fs/xfs/xfs_dir2_block.c +++ b/fs/xfs/xfs_dir2_block.c @@ -533,7 +533,7 @@ xfs_dir2_block_getdents( /* * Reached the end of the block. - * Set the offset to a nonexistent block 1 and return. + * Set the offset to a non-existent block 1 and return. */ *eofp = 1; diff --git a/fs/xfs/xfs_dir2_leaf.c b/fs/xfs/xfs_dir2_leaf.c index 08648b18265..0f5e2f2ce6e 100644 --- a/fs/xfs/xfs_dir2_leaf.c +++ b/fs/xfs/xfs_dir2_leaf.c @@ -515,7 +515,7 @@ xfs_dir2_leaf_addname( ASSERT(be32_to_cpu(leaf->ents[highstale].address) == XFS_DIR2_NULL_DATAPTR); /* - * Copy entries down to copver the stale entry + * Copy entries down to cover the stale entry * and make room for the new entry. */ if (highstale - index > 0) diff --git a/fs/xfs/xfs_dir2_node.c b/fs/xfs/xfs_dir2_node.c index af556f16a0c..ac511ab9c52 100644 --- a/fs/xfs/xfs_dir2_node.c +++ b/fs/xfs/xfs_dir2_node.c @@ -830,7 +830,7 @@ xfs_dir2_leafn_rebalance( state->inleaf = 1; blk2->index = 0; cmn_err(CE_ALERT, - "xfs_dir2_leafn_rebalance: picked the wrong leaf? reverting orignal leaf: " + "xfs_dir2_leafn_rebalance: picked the wrong leaf? reverting original leaf: " "blk1->index %d\n", blk1->index); } diff --git a/fs/xfs/xfs_dir_leaf.c b/fs/xfs/xfs_dir_leaf.c index ee88751c3be..6d711869262 100644 --- a/fs/xfs/xfs_dir_leaf.c +++ b/fs/xfs/xfs_dir_leaf.c @@ -1341,7 +1341,7 @@ xfs_dir_leaf_toosmall(xfs_da_state_t *state, int *action) /* * Check for the degenerate case of the block being empty. * If the block is empty, we'll simply delete it, no need to - * coalesce it with a sibling block. We choose (aribtrarily) + * coalesce it with a sibling block. We choose (arbitrarily) * to merge with the forward block unless it is NULL. */ if (count == 0) { diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c index 56caa88713a..dfa3527b20a 100644 --- a/fs/xfs/xfs_fsops.c +++ b/fs/xfs/xfs_fsops.c @@ -477,7 +477,7 @@ xfs_fs_counts( * * xfs_reserve_blocks is called to set m_resblks * in the in-core mount table. The number of unused reserved blocks - * is kept in m_resbls_avail. + * is kept in m_resblks_avail. * * Reserve the requested number of blocks if available. Otherwise return * as many as possible to satisfy the request. The actual number diff --git a/fs/xfs/xfs_ialloc.c b/fs/xfs/xfs_ialloc.c index 0024892841a..4eeb856183b 100644 --- a/fs/xfs/xfs_ialloc.c +++ b/fs/xfs/xfs_ialloc.c @@ -136,7 +136,7 @@ xfs_ialloc_ag_alloc( int ninodes; /* num inodes per buf */ xfs_agino_t thisino; /* current inode number, for loop */ int version; /* inode version number to use */ - int isaligned; /* inode allocation at stripe unit */ + int isaligned = 0; /* inode allocation at stripe unit */ /* boundary */ args.tp = tp; @@ -152,47 +152,75 @@ xfs_ialloc_ag_alloc( return XFS_ERROR(ENOSPC); args.minlen = args.maxlen = XFS_IALLOC_BLOCKS(args.mp); /* - * Set the alignment for the allocation. - * If stripe alignment is turned on then align at stripe unit - * boundary. - * If the cluster size is smaller than a filesystem block - * then we're doing I/O for inodes in filesystem block size pieces, - * so don't need alignment anyway. - */ - isaligned = 0; - if (args.mp->m_sinoalign) { - ASSERT(!(args.mp->m_flags & XFS_MOUNT_NOALIGN)); - args.alignment = args.mp->m_dalign; - isaligned = 1; - } else if (XFS_SB_VERSION_HASALIGN(&args.mp->m_sb) && - args.mp->m_sb.sb_inoalignmt >= - XFS_B_TO_FSBT(args.mp, XFS_INODE_CLUSTER_SIZE(args.mp))) - args.alignment = args.mp->m_sb.sb_inoalignmt; - else - args.alignment = 1; + * First try to allocate inodes contiguous with the last-allocated + * chunk of inodes. If the filesystem is striped, this will fill + * an entire stripe unit with inodes. + */ agi = XFS_BUF_TO_AGI(agbp); - /* - * Need to figure out where to allocate the inode blocks. - * Ideally they should be spaced out through the a.g. - * For now, just allocate blocks up front. - */ - args.agbno = be32_to_cpu(agi->agi_root); - args.fsbno = XFS_AGB_TO_FSB(args.mp, be32_to_cpu(agi->agi_seqno), - args.agbno); - /* - * Allocate a fixed-size extent of inodes. - */ - args.type = XFS_ALLOCTYPE_NEAR_BNO; - args.mod = args.total = args.wasdel = args.isfl = args.userdata = - args.minalignslop = 0; - args.prod = 1; - /* - * Allow space for the inode btree to split. - */ - args.minleft = XFS_IN_MAXLEVELS(args.mp) - 1; - if ((error = xfs_alloc_vextent(&args))) - return error; + newino = be32_to_cpu(agi->agi_newino); + if(likely(newino != NULLAGINO)) { + args.agbno = XFS_AGINO_TO_AGBNO(args.mp, newino) + + XFS_IALLOC_BLOCKS(args.mp); + args.fsbno = XFS_AGB_TO_FSB(args.mp, + be32_to_cpu(agi->agi_seqno), args.agbno); + args.type = XFS_ALLOCTYPE_THIS_BNO; + args.mod = args.total = args.wasdel = args.isfl = + args.userdata = args.minalignslop = 0; + args.prod = 1; + args.alignment = 1; + /* + * Allow space for the inode btree to split. + */ + args.minleft = XFS_IN_MAXLEVELS(args.mp) - 1; + if ((error = xfs_alloc_vextent(&args))) + return error; + } else + args.fsbno = NULLFSBLOCK; + if (unlikely(args.fsbno == NULLFSBLOCK)) { + /* + * Set the alignment for the allocation. + * If stripe alignment is turned on then align at stripe unit + * boundary. + * If the cluster size is smaller than a filesystem block + * then we're doing I/O for inodes in filesystem block size + * pieces, so don't need alignment anyway. + */ + isaligned = 0; + if (args.mp->m_sinoalign) { + ASSERT(!(args.mp->m_flags & XFS_MOUNT_NOALIGN)); + args.alignment = args.mp->m_dalign; + isaligned = 1; + } else if (XFS_SB_VERSION_HASALIGN(&args.mp->m_sb) && + args.mp->m_sb.sb_inoalignmt >= + XFS_B_TO_FSBT(args.mp, + XFS_INODE_CLUSTER_SIZE(args.mp))) + args.alignment = args.mp->m_sb.sb_inoalignmt; + else + args.alignment = 1; + /* + * Need to figure out where to allocate the inode blocks. + * Ideally they should be spaced out through the a.g. + * For now, just allocate blocks up front. + */ + args.agbno = be32_to_cpu(agi->agi_root); + args.fsbno = XFS_AGB_TO_FSB(args.mp, + be32_to_cpu(agi->agi_seqno), args.agbno); + /* + * Allocate a fixed-size extent of inodes. + */ + args.type = XFS_ALLOCTYPE_NEAR_BNO; + args.mod = args.total = args.wasdel = args.isfl = + args.userdata = args.minalignslop = 0; + args.prod = 1; + /* + * Allow space for the inode btree to split. + */ + args.minleft = XFS_IN_MAXLEVELS(args.mp) - 1; + if ((error = xfs_alloc_vextent(&args))) + return error; + } + /* * If stripe alignment is turned on, then try again with cluster * alignment. @@ -1023,7 +1051,7 @@ xfs_difree( rec.ir_freecount++; /* - * When an inode cluster is free, it becomes elgible for removal + * When an inode cluster is free, it becomes eligible for removal */ if ((mp->m_flags & XFS_MOUNT_IDELETE) && (rec.ir_freecount == XFS_IALLOC_INODES(mp))) { diff --git a/fs/xfs/xfs_iget.c b/fs/xfs/xfs_iget.c index 3ce35a6f700..bb33113eef9 100644 --- a/fs/xfs/xfs_iget.c +++ b/fs/xfs/xfs_iget.c @@ -509,7 +509,7 @@ retry: } else { /* * If the inode is not fully constructed due to - * filehandle mistmatches wait for the inode to go + * filehandle mismatches wait for the inode to go * away and try again. * * iget_locked will call __wait_on_freeing_inode diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index 88a517fad07..48146bdc6bd 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -160,7 +160,7 @@ xfs_inotobp( xfs_dinode_t *dip; /* - * Call the space managment code to find the location of the + * Call the space management code to find the location of the * inode on disk. */ imap.im_blkno = 0; @@ -837,7 +837,7 @@ xfs_dic2xflags( /* * Given a mount structure and an inode number, return a pointer - * to a newly allocated in-core inode coresponding to the given + * to a newly allocated in-core inode corresponding to the given * inode number. * * Initialize the inode's attributes and extent pointers if it @@ -2723,7 +2723,7 @@ xfs_ipin( /* * Decrement the pin count of the given inode, and wake up * anyone in xfs_iwait_unpin() if the count goes to 0. The - * inode must have been previoulsy pinned with a call to xfs_ipin(). + * inode must have been previously pinned with a call to xfs_ipin(). */ void xfs_iunpin( @@ -3690,7 +3690,7 @@ void xfs_iext_add( xfs_ifork_t *ifp, /* inode fork pointer */ xfs_extnum_t idx, /* index to begin adding exts */ - int ext_diff) /* nubmer of extents to add */ + int ext_diff) /* number of extents to add */ { int byte_diff; /* new bytes being added */ int new_size; /* size of extents after adding */ @@ -4038,7 +4038,7 @@ xfs_iext_remove_indirect( xfs_extnum_t ext_diff; /* extents to remove in current list */ xfs_extnum_t nex1; /* number of extents before idx */ xfs_extnum_t nex2; /* extents after idx + count */ - int nlists; /* entries in indirecton array */ + int nlists; /* entries in indirection array */ int page_idx = idx; /* index in target extent list */ ASSERT(ifp->if_flags & XFS_IFEXTIREC); @@ -4291,9 +4291,9 @@ xfs_iext_bno_to_ext( xfs_filblks_t blockcount = 0; /* number of blocks in extent */ xfs_bmbt_rec_t *ep = NULL; /* pointer to target extent */ xfs_ext_irec_t *erp = NULL; /* indirection array pointer */ - int high; /* upper boundry in search */ + int high; /* upper boundary in search */ xfs_extnum_t idx = 0; /* index of target extent */ - int low; /* lower boundry in search */ + int low; /* lower boundary in search */ xfs_extnum_t nextents; /* number of file extents */ xfs_fileoff_t startoff = 0; /* start offset of extent */ diff --git a/fs/xfs/xfs_inode_item.c b/fs/xfs/xfs_inode_item.c index 36aa1fcb90a..7497a481b2f 100644 --- a/fs/xfs/xfs_inode_item.c +++ b/fs/xfs/xfs_inode_item.c @@ -580,7 +580,7 @@ xfs_inode_item_unpin_remove( * been or is in the process of being flushed, then (ideally) we'd like to * see if the inode's buffer is still incore, and if so give it a nudge. * We delay doing so until the pushbuf routine, though, to avoid holding - * the AIL lock across a call to the blackhole which is the buffercache. + * the AIL lock across a call to the blackhole which is the buffer cache. * Also we don't want to sleep in any device strategy routines, which can happen * if we do the subsequent bawrite in here. */ diff --git a/fs/xfs/xfs_itable.c b/fs/xfs/xfs_itable.c index 32247b6bfee..94068d014f2 100644 --- a/fs/xfs/xfs_itable.c +++ b/fs/xfs/xfs_itable.c @@ -272,7 +272,7 @@ xfs_bulkstat( size_t statstruct_size, /* sizeof struct filling */ char __user *ubuffer, /* buffer with inode stats */ int flags, /* defined in xfs_itable.h */ - int *done) /* 1 if there're more stats to get */ + int *done) /* 1 if there are more stats to get */ { xfs_agblock_t agbno=0;/* allocation group block number */ xfs_buf_t *agbp; /* agi header buffer */ @@ -676,7 +676,7 @@ xfs_bulkstat_single( xfs_mount_t *mp, /* mount point for filesystem */ xfs_ino_t *lastinop, /* inode to return */ char __user *buffer, /* buffer with inode stats */ - int *done) /* 1 if there're more stats to get */ + int *done) /* 1 if there are more stats to get */ { int count; /* count value for bulkstat call */ int error; /* return value */ diff --git a/fs/xfs/xfs_itable.h b/fs/xfs/xfs_itable.h index 047d834ed21..11eb4e1b18c 100644 --- a/fs/xfs/xfs_itable.h +++ b/fs/xfs/xfs_itable.h @@ -60,7 +60,7 @@ xfs_bulkstat( size_t statstruct_size,/* sizeof struct that we're filling */ char __user *ubuffer,/* buffer with inode stats */ int flags, /* flag to control access method */ - int *done); /* 1 if there're more stats to get */ + int *done); /* 1 if there are more stats to get */ int xfs_bulkstat_single( diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c index 9176995160e..32e841d2f26 100644 --- a/fs/xfs/xfs_log.c +++ b/fs/xfs/xfs_log.c @@ -59,7 +59,7 @@ STATIC xlog_t * xlog_alloc_log(xfs_mount_t *mp, int num_bblks); STATIC int xlog_space_left(xlog_t *log, int cycle, int bytes); STATIC int xlog_sync(xlog_t *log, xlog_in_core_t *iclog); -STATIC void xlog_unalloc_log(xlog_t *log); +STATIC void xlog_dealloc_log(xlog_t *log); STATIC int xlog_write(xfs_mount_t *mp, xfs_log_iovec_t region[], int nentries, xfs_log_ticket_t tic, xfs_lsn_t *start_lsn, @@ -304,7 +304,7 @@ xfs_log_done(xfs_mount_t *mp, if ((ticket->t_flags & XLOG_TIC_PERM_RESERV) == 0 || (flags & XFS_LOG_REL_PERM_RESERV)) { /* - * Release ticket if not permanent reservation or a specifc + * Release ticket if not permanent reservation or a specific * request has been made to release a permanent reservation. */ xlog_trace_loggrant(log, ticket, "xfs_log_done: (non-permanent)"); @@ -511,7 +511,7 @@ xfs_log_mount(xfs_mount_t *mp, vfsp->vfs_flag |= VFS_RDONLY; if (error) { cmn_err(CE_WARN, "XFS: log mount/recovery failed: error %d", error); - xlog_unalloc_log(mp->m_log); + xlog_dealloc_log(mp->m_log); return error; } } @@ -667,7 +667,7 @@ xfs_log_unmount_write(xfs_mount_t *mp) * * Go through the motions of sync'ing and releasing * the iclog, even though no I/O will actually happen, - * we need to wait for other log I/O's that may already + * we need to wait for other log I/Os that may already * be in progress. Do this as a separate section of * code so we'll know if we ever get stuck here that * we're in this odd situation of trying to unmount @@ -704,7 +704,7 @@ xfs_log_unmount_write(xfs_mount_t *mp) void xfs_log_unmount_dealloc(xfs_mount_t *mp) { - xlog_unalloc_log(mp->m_log); + xlog_dealloc_log(mp->m_log); } /* @@ -1492,7 +1492,7 @@ xlog_sync(xlog_t *log, ASSERT(XFS_BUF_ADDR(bp) <= log->l_logBBsize-1); ASSERT(XFS_BUF_ADDR(bp) + BTOBB(count) <= log->l_logBBsize); - /* account for internal log which does't start at block #0 */ + /* account for internal log which doesn't start at block #0 */ XFS_BUF_SET_ADDR(bp, XFS_BUF_ADDR(bp) + log->l_logBBstart); XFS_BUF_WRITE(bp); if ((error = XFS_bwrite(bp))) { @@ -1506,10 +1506,10 @@ xlog_sync(xlog_t *log, /* - * Unallocate a log structure + * Deallocate a log structure */ void -xlog_unalloc_log(xlog_t *log) +xlog_dealloc_log(xlog_t *log) { xlog_in_core_t *iclog, *next_iclog; xlog_ticket_t *tic, *next_tic; @@ -1539,7 +1539,7 @@ xlog_unalloc_log(xlog_t *log) if ((log->l_ticket_cnt != log->l_ticket_tcnt) && !XLOG_FORCED_SHUTDOWN(log)) { xfs_fs_cmn_err(CE_WARN, log->l_mp, - "xlog_unalloc_log: (cnt: %d, total: %d)", + "xlog_dealloc_log: (cnt: %d, total: %d)", log->l_ticket_cnt, log->l_ticket_tcnt); /* ASSERT(log->l_ticket_cnt == log->l_ticket_tcnt); */ @@ -1562,7 +1562,7 @@ xlog_unalloc_log(xlog_t *log) #endif log->l_mp->m_log = NULL; kmem_free(log, sizeof(xlog_t)); -} /* xlog_unalloc_log */ +} /* xlog_dealloc_log */ /* * Update counters atomically now that memcpy is done. @@ -2829,7 +2829,7 @@ xlog_state_release_iclog(xlog_t *log, /* * We let the log lock go, so it's possible that we hit a log I/O - * error or someother SHUTDOWN condition that marks the iclog + * error or some other SHUTDOWN condition that marks the iclog * as XLOG_STATE_IOERROR before the bwrite. However, we know that * this iclog has consistent data, so we ignore IOERROR * flags after this point. diff --git a/fs/xfs/xfs_log.h b/fs/xfs/xfs_log.h index 4b2ac88dbb8..eacb3d4987f 100644 --- a/fs/xfs/xfs_log.h +++ b/fs/xfs/xfs_log.h @@ -27,7 +27,7 @@ #ifdef __KERNEL__ /* - * By comparing each compnent, we don't have to worry about extra + * By comparing each component, we don't have to worry about extra * endian issues in treating two 32 bit numbers as one 64 bit number */ static inline xfs_lsn_t _lsn_cmp(xfs_lsn_t lsn1, xfs_lsn_t lsn2) diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index add13f507ed..1f0016b0b4e 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -583,7 +583,7 @@ xlog_find_head( * x | x ... | x - 1 | x * Another case that fits this picture would be * x | x + 1 | x ... | x - * In this case the head really is somwhere at the end of the + * In this case the head really is somewhere at the end of the * log, as one of the latest writes at the beginning was * incomplete. * One more case is @@ -2799,7 +2799,7 @@ xlog_recover_do_trans( * we don't need to worry about the block number being * truncated in > 1 TB buffers because in user-land, * we're now n32 or 64-bit so xfs_daddr_t is 64-bits so - * the blkno's will get through the user-mode buffer + * the blknos will get through the user-mode buffer * cache properly. The only bad case is o32 kernels * where xfs_daddr_t is 32-bits but mount will warn us * off a > 1 TB filesystem before we get here. diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c index 20e8abc16d1..72e7e78bfff 100644 --- a/fs/xfs/xfs_mount.c +++ b/fs/xfs/xfs_mount.c @@ -393,7 +393,7 @@ xfs_initialize_perag( break; } - /* This ag is prefered for inodes */ + /* This ag is preferred for inodes */ pag = &mp->m_perag[index]; pag->pagi_inodeok = 1; if (index < max_metadata) @@ -1728,7 +1728,7 @@ xfs_mount_log_sbunit( * We cannot use the hotcpu_register() function because it does * not allow notifier instances. We need a notifier per filesystem * as we need to be able to identify the filesystem to balance - * the counters out. This is acheived by having a notifier block + * the counters out. This is achieved by having a notifier block * embedded in the xfs_mount_t and doing pointer magic to get the * mount pointer from the notifier block address. */ diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h index ebd73960e9d..66cbee79864 100644 --- a/fs/xfs/xfs_mount.h +++ b/fs/xfs/xfs_mount.h @@ -379,7 +379,7 @@ typedef struct xfs_mount { #endif int m_dalign; /* stripe unit */ int m_swidth; /* stripe width */ - int m_sinoalign; /* stripe unit inode alignmnt */ + int m_sinoalign; /* stripe unit inode alignment */ int m_attr_magicpct;/* 37% of the blocksize */ int m_dir_magicpct; /* 37% of the dir blocksize */ __uint8_t m_mk_sharedro; /* mark shared ro on unmount */ diff --git a/fs/xfs/xfs_quota.h b/fs/xfs/xfs_quota.h index 82a08baf437..4f6a034de7f 100644 --- a/fs/xfs/xfs_quota.h +++ b/fs/xfs/xfs_quota.h @@ -31,7 +31,7 @@ typedef __uint32_t xfs_dqid_t; /* - * Eventhough users may not have quota limits occupying all 64-bits, + * Even though users may not have quota limits occupying all 64-bits, * they may need 64-bit accounting. Hence, 64-bit quota-counters, * and quota-limits. This is a waste in the common case, but hey ... */ @@ -246,7 +246,7 @@ typedef struct xfs_qoff_logformat { #ifdef __KERNEL__ /* * This check is done typically without holding the inode lock; - * that may seem racey, but it is harmless in the context that it is used. + * that may seem racy, but it is harmless in the context that it is used. * The inode cannot go inactive as long a reference is kept, and * therefore if dquot(s) were attached, they'll stay consistent. * If, for example, the ownership of the inode changes while diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c index 2918956553a..8d056cef5d1 100644 --- a/fs/xfs/xfs_trans.c +++ b/fs/xfs/xfs_trans.c @@ -490,7 +490,7 @@ xfs_trans_mod_sb( case XFS_TRANS_SB_RES_FREXTENTS: /* * The allocation has already been applied to the - * in-core superblocks's counter. This should only + * in-core superblock's counter. This should only * be applied to the on-disk superblock. */ ASSERT(delta < 0); @@ -611,7 +611,7 @@ xfs_trans_apply_sb_deltas( if (whole) /* - * Log the whole thing, the fields are discontiguous. + * Log the whole thing, the fields are noncontiguous. */ xfs_trans_log_buf(tp, bp, 0, sizeof(xfs_sb_t) - 1); else @@ -669,7 +669,7 @@ xfs_trans_unreserve_and_mod_sb( /* * Apply any superblock modifications to the in-core version. * The t_res_fdblocks_delta and t_res_frextents_delta fields are - * explicity NOT applied to the in-core superblock. + * explicitly NOT applied to the in-core superblock. * The idea is that that has already been done. */ if (tp->t_flags & XFS_TRANS_SB_DIRTY) { diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h index e48befa4e33..100d9a4b38e 100644 --- a/fs/xfs/xfs_trans.h +++ b/fs/xfs/xfs_trans.h @@ -354,7 +354,7 @@ typedef struct xfs_trans { xfs_lsn_t t_commit_lsn; /* log seq num of end of * transaction. */ struct xfs_mount *t_mountp; /* ptr to fs mount struct */ - struct xfs_dquot_acct *t_dqinfo; /* accting info for dquots */ + struct xfs_dquot_acct *t_dqinfo; /* acctg info for dquots */ xfs_trans_callback_t t_callback; /* transaction callback */ void *t_callarg; /* callback arg */ unsigned int t_flags; /* misc flags */ diff --git a/fs/xfs/xfs_trans_inode.c b/fs/xfs/xfs_trans_inode.c index e341409172d..7c5894d59f8 100644 --- a/fs/xfs/xfs_trans_inode.c +++ b/fs/xfs/xfs_trans_inode.c @@ -272,7 +272,7 @@ xfs_trans_log_inode( * This is to coordinate with the xfs_iflush() and xfs_iflush_done() * routines in the eventual clearing of the ilf_fields bits. * See the big comment in xfs_iflush() for an explanation of - * this coorination mechanism. + * this coordination mechanism. */ flags |= ip->i_itemp->ili_last_fields; ip->i_itemp->ili_format.ilf_fields |= flags; diff --git a/fs/xfs/xfs_vfsops.c b/fs/xfs/xfs_vfsops.c index d4ec4dfaf19..504d2a80747 100644 --- a/fs/xfs/xfs_vfsops.c +++ b/fs/xfs/xfs_vfsops.c @@ -880,10 +880,10 @@ xfs_statvfs( * determine if they should be flushed sync, async, or * delwri. * SYNC_CLOSE - This flag is passed when the system is being - * unmounted. We should sync and invalidate everthing. + * unmounted. We should sync and invalidate everything. * SYNC_FSDATA - This indicates that the caller would like to make * sure the superblock is safe on disk. We can ensure - * this by simply makeing sure the log gets flushed + * this by simply making sure the log gets flushed * if SYNC_BDFLUSH is set, and by actually writing it * out otherwise. * @@ -908,7 +908,7 @@ xfs_sync( * * This routine supports all of the flags defined for the generic VFS_SYNC * interface as explained above under xfs_sync. In the interests of not - * changing interfaces within the 6.5 family, additional internallly- + * changing interfaces within the 6.5 family, additional internally- * required functions are specified within a separate xflags parameter, * only available by calling this routine. * @@ -1090,7 +1090,7 @@ xfs_sync_inodes( * If this is just vfs_sync() or pflushd() calling * then we can skip inodes for which it looks like * there is nothing to do. Since we don't have the - * inode locked this is racey, but these are periodic + * inode locked this is racy, but these are periodic * calls so it doesn't matter. For the others we want * to know for sure, so we at least try to lock them. */ @@ -1429,7 +1429,7 @@ xfs_sync_inodes( * * This routine supports all of the flags defined for the generic VFS_SYNC * interface as explained above under xfs_sync. In the interests of not - * changing interfaces within the 6.5 family, additional internallly- + * changing interfaces within the 6.5 family, additional internally- * required functions are specified within a separate xflags parameter, * only available by calling this routine. * diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c index 0f0a64e81db..de49601919c 100644 --- a/fs/xfs/xfs_vnodeops.c +++ b/fs/xfs/xfs_vnodeops.c @@ -848,7 +848,7 @@ xfs_setattr( * If this is a synchronous mount, make sure that the * transaction goes to disk before returning to the user. * This is slightly sub-optimal in that truncates require - * two sync transactions instead of one for wsync filesytems. + * two sync transactions instead of one for wsync filesystems. * One for the truncate and one for the timestamps since we * don't want to change the timestamps unless we're sure the * truncate worked. Truncates are less than 1% of the laddis @@ -1170,7 +1170,7 @@ xfs_fsync( /* * If this inode is on the RT dev we need to flush that - * cache aswell. + * cache as well. */ if (ip->i_d.di_flags & XFS_DIFLAG_REALTIME) xfs_blkdev_issue_flush(ip->i_mount->m_rtdev_targp); @@ -1380,7 +1380,7 @@ xfs_inactive_symlink_rmt( */ ntp = xfs_trans_dup(tp); /* - * Commit the transaction containing extent freeing and EFD's. + * Commit the transaction containing extent freeing and EFDs. * If we get an error on the commit here or on the reserve below, * we need to unlock the inode since the new transaction doesn't * have the inode attached. @@ -2023,7 +2023,7 @@ xfs_create( XFS_QM_DQRELE(mp, gdqp); /* - * Propogate the fact that the vnode changed after the + * Propagate the fact that the vnode changed after the * xfs_inode locks have been released. */ VOP_VNODE_CHANGE(vp, VCHANGE_FLAGS_TRUNCATED, 3); @@ -2370,7 +2370,7 @@ xfs_remove( * for a log reservation. Since we'll have to wait for the * inactive code to complete before returning from xfs_iget, * we need to make sure that we don't have log space reserved - * when we call xfs_iget. Instead we get an unlocked referece + * when we call xfs_iget. Instead we get an unlocked reference * to the inode before getting our log reservation. */ error = xfs_get_dir_entry(dentry, &ip); @@ -3020,7 +3020,7 @@ xfs_rmdir( * for a log reservation. Since we'll have to wait for the * inactive code to complete before returning from xfs_iget, * we need to make sure that we don't have log space reserved - * when we call xfs_iget. Instead we get an unlocked referece + * when we call xfs_iget. Instead we get an unlocked reference * to the inode before getting our log reservation. */ error = xfs_get_dir_entry(dentry, &cdp); diff --git a/include/asm-powerpc/bug.h b/include/asm-powerpc/bug.h index 99817a802ca..f44b529e329 100644 --- a/include/asm-powerpc/bug.h +++ b/include/asm-powerpc/bug.h @@ -30,34 +30,60 @@ struct bug_entry *find_bug(unsigned long bugaddr); #ifdef CONFIG_BUG +/* + * BUG_ON() and WARN_ON() do their best to cooperate with compile-time + * optimisations. However depending on the complexity of the condition + * some compiler versions may not produce optimal results. + */ + #define BUG() do { \ __asm__ __volatile__( \ "1: twi 31,0,0\n" \ ".section __bug_table,\"a\"\n" \ - "\t"PPC_LONG" 1b,%0,%1,%2\n" \ + "\t"PPC_LONG" 1b,%0,%1,%2\n" \ ".previous" \ : : "i" (__LINE__), "i" (__FILE__), "i" (__FUNCTION__)); \ } while (0) #define BUG_ON(x) do { \ - __asm__ __volatile__( \ + if (__builtin_constant_p(x)) { \ + if (x) \ + BUG(); \ + } else { \ + __asm__ __volatile__( \ "1: "PPC_TLNEI" %0,0\n" \ ".section __bug_table,\"a\"\n" \ - "\t"PPC_LONG" 1b,%1,%2,%3\n" \ + "\t"PPC_LONG" 1b,%1,%2,%3\n" \ ".previous" \ : : "r" ((long)(x)), "i" (__LINE__), \ "i" (__FILE__), "i" (__FUNCTION__)); \ + } \ } while (0) -#define WARN_ON(x) do { \ +#define __WARN() do { \ __asm__ __volatile__( \ + "1: twi 31,0,0\n" \ + ".section __bug_table,\"a\"\n" \ + "\t"PPC_LONG" 1b,%0,%1,%2\n" \ + ".previous" \ + : : "i" (__LINE__ + BUG_WARNING_TRAP), \ + "i" (__FILE__), "i" (__FUNCTION__)); \ +} while (0) + +#define WARN_ON(x) do { \ + if (__builtin_constant_p(x)) { \ + if (x) \ + __WARN(); \ + } else { \ + __asm__ __volatile__( \ "1: "PPC_TLNEI" %0,0\n" \ ".section __bug_table,\"a\"\n" \ - "\t"PPC_LONG" 1b,%1,%2,%3\n" \ + "\t"PPC_LONG" 1b,%1,%2,%3\n" \ ".previous" \ : : "r" ((long)(x)), \ "i" (__LINE__ + BUG_WARNING_TRAP), \ "i" (__FILE__), "i" (__FUNCTION__)); \ + } \ } while (0) #define HAVE_ARCH_BUG diff --git a/include/asm-powerpc/cputable.h b/include/asm-powerpc/cputable.h index fe45f6f3a4b..4321483cce5 100644 --- a/include/asm-powerpc/cputable.h +++ b/include/asm-powerpc/cputable.h @@ -188,153 +188,154 @@ extern void do_cpu_ftr_fixups(unsigned long offset); !defined(CONFIG_POWER3) && !defined(CONFIG_POWER4) && \ !defined(CONFIG_BOOKE)) -enum { - CPU_FTRS_PPC601 = CPU_FTR_COMMON | CPU_FTR_601 | CPU_FTR_HPTE_TABLE, - CPU_FTRS_603 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | - CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | - CPU_FTR_MAYBE_CAN_NAP, - CPU_FTRS_604 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | - CPU_FTR_USE_TB | CPU_FTR_604_PERF_MON | CPU_FTR_HPTE_TABLE, - CPU_FTRS_740_NOTAU = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | - CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | - CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP, - CPU_FTRS_740 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | - CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | - CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP, - CPU_FTRS_750 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | - CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | - CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP, - CPU_FTRS_750FX1 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | - CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | - CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP | - CPU_FTR_DUAL_PLL_750FX | CPU_FTR_NO_DPM, - CPU_FTRS_750FX2 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | - CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | - CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP | - CPU_FTR_NO_DPM, - CPU_FTRS_750FX = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | - CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | - CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP | - CPU_FTR_DUAL_PLL_750FX | CPU_FTR_HAS_HIGH_BATS, - CPU_FTRS_750GX = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_MAYBE_CAN_DOZE | - CPU_FTR_USE_TB | CPU_FTR_L2CR | CPU_FTR_TAU | - CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP | - CPU_FTR_DUAL_PLL_750FX | CPU_FTR_HAS_HIGH_BATS, - CPU_FTRS_7400_NOTAU = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | - CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | - CPU_FTR_ALTIVEC_COMP | CPU_FTR_HPTE_TABLE | - CPU_FTR_MAYBE_CAN_NAP, - CPU_FTRS_7400 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | - CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | - CPU_FTR_TAU | CPU_FTR_ALTIVEC_COMP | CPU_FTR_HPTE_TABLE | - CPU_FTR_MAYBE_CAN_NAP, - CPU_FTRS_7450_20 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | - CPU_FTR_USE_TB | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | - CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | - CPU_FTR_NEED_COHERENT, - CPU_FTRS_7450_21 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | - CPU_FTR_USE_TB | - CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | - CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | - CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_L3_DISABLE_NAP | - CPU_FTR_NEED_COHERENT, - CPU_FTRS_7450_23 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | - CPU_FTR_USE_TB | - CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | - CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | - CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_NEED_COHERENT, - CPU_FTRS_7455_1 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | - CPU_FTR_USE_TB | - CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | CPU_FTR_L3CR | - CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | CPU_FTR_HAS_HIGH_BATS | - CPU_FTR_NEED_COHERENT, - CPU_FTRS_7455_20 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | - CPU_FTR_USE_TB | - CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | - CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | - CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_L3_DISABLE_NAP | - CPU_FTR_NEED_COHERENT | CPU_FTR_HAS_HIGH_BATS, - CPU_FTRS_7455 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | - CPU_FTR_USE_TB | - CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | - CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | - CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS | - CPU_FTR_NEED_COHERENT, - CPU_FTRS_7447_10 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | - CPU_FTR_USE_TB | - CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | - CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | - CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS | - CPU_FTR_NEED_COHERENT | CPU_FTR_NO_BTIC, - CPU_FTRS_7447 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | - CPU_FTR_USE_TB | - CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | - CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | - CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS | - CPU_FTR_NEED_COHERENT, - CPU_FTRS_7447A = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | - CPU_FTR_USE_TB | - CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | - CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | - CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS | - CPU_FTR_NEED_COHERENT, - CPU_FTRS_82XX = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | - CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB, - CPU_FTRS_G2_LE = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_MAYBE_CAN_DOZE | - CPU_FTR_USE_TB | CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_HAS_HIGH_BATS, - CPU_FTRS_E300 = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_MAYBE_CAN_DOZE | - CPU_FTR_USE_TB | CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_HAS_HIGH_BATS | - CPU_FTR_COMMON, - CPU_FTRS_CLASSIC32 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | - CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE, - CPU_FTRS_POWER3_32 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | - CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE, - CPU_FTRS_POWER4_32 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | - CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE | CPU_FTR_NODSISRALIGN, - CPU_FTRS_970_32 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | - CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE | CPU_FTR_ALTIVEC_COMP | - CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_NODSISRALIGN, - CPU_FTRS_8XX = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB, - CPU_FTRS_40X = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | - CPU_FTR_NODSISRALIGN, - CPU_FTRS_44X = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | - CPU_FTR_NODSISRALIGN, - CPU_FTRS_E200 = CPU_FTR_USE_TB | CPU_FTR_NODSISRALIGN, - CPU_FTRS_E500 = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | - CPU_FTR_NODSISRALIGN, - CPU_FTRS_E500_2 = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | - CPU_FTR_BIG_PHYS | CPU_FTR_NODSISRALIGN, - CPU_FTRS_GENERIC_32 = CPU_FTR_COMMON | CPU_FTR_NODSISRALIGN, +#define CPU_FTRS_PPC601 (CPU_FTR_COMMON | CPU_FTR_601 | CPU_FTR_HPTE_TABLE) +#define CPU_FTRS_603 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \ + CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | \ + CPU_FTR_MAYBE_CAN_NAP) +#define CPU_FTRS_604 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \ + CPU_FTR_USE_TB | CPU_FTR_604_PERF_MON | CPU_FTR_HPTE_TABLE) +#define CPU_FTRS_740_NOTAU (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \ + CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \ + CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP) +#define CPU_FTRS_740 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \ + CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \ + CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP) +#define CPU_FTRS_750 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \ + CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \ + CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP) +#define CPU_FTRS_750FX1 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \ + CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \ + CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP | \ + CPU_FTR_DUAL_PLL_750FX | CPU_FTR_NO_DPM) +#define CPU_FTRS_750FX2 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \ + CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \ + CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP | \ + CPU_FTR_NO_DPM) +#define CPU_FTRS_750FX (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \ + CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \ + CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP | \ + CPU_FTR_DUAL_PLL_750FX | CPU_FTR_HAS_HIGH_BATS) +#define CPU_FTRS_750GX (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_MAYBE_CAN_DOZE | \ + CPU_FTR_USE_TB | CPU_FTR_L2CR | CPU_FTR_TAU | \ + CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP | \ + CPU_FTR_DUAL_PLL_750FX | CPU_FTR_HAS_HIGH_BATS) +#define CPU_FTRS_7400_NOTAU (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \ + CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \ + CPU_FTR_ALTIVEC_COMP | CPU_FTR_HPTE_TABLE | \ + CPU_FTR_MAYBE_CAN_NAP) +#define CPU_FTRS_7400 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \ + CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \ + CPU_FTR_TAU | CPU_FTR_ALTIVEC_COMP | CPU_FTR_HPTE_TABLE | \ + CPU_FTR_MAYBE_CAN_NAP) +#define CPU_FTRS_7450_20 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \ + CPU_FTR_USE_TB | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \ + CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \ + CPU_FTR_NEED_COHERENT) +#define CPU_FTRS_7450_21 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \ + CPU_FTR_USE_TB | \ + CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \ + CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \ + CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_L3_DISABLE_NAP | \ + CPU_FTR_NEED_COHERENT) +#define CPU_FTRS_7450_23 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \ + CPU_FTR_USE_TB | \ + CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \ + CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \ + CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_NEED_COHERENT) +#define CPU_FTRS_7455_1 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \ + CPU_FTR_USE_TB | \ + CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | CPU_FTR_L3CR | \ + CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | CPU_FTR_HAS_HIGH_BATS | \ + CPU_FTR_NEED_COHERENT) +#define CPU_FTRS_7455_20 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \ + CPU_FTR_USE_TB | \ + CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \ + CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \ + CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_L3_DISABLE_NAP | \ + CPU_FTR_NEED_COHERENT | CPU_FTR_HAS_HIGH_BATS) +#define CPU_FTRS_7455 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \ + CPU_FTR_USE_TB | \ + CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \ + CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \ + CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS | \ + CPU_FTR_NEED_COHERENT) +#define CPU_FTRS_7447_10 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \ + CPU_FTR_USE_TB | \ + CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \ + CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \ + CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS | \ + CPU_FTR_NEED_COHERENT | CPU_FTR_NO_BTIC) +#define CPU_FTRS_7447 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \ + CPU_FTR_USE_TB | \ + CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \ + CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \ + CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS | \ + CPU_FTR_NEED_COHERENT) +#define CPU_FTRS_7447A (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \ + CPU_FTR_USE_TB | \ + CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \ + CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \ + CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS | \ + CPU_FTR_NEED_COHERENT) +#define CPU_FTRS_82XX (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \ + CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB) +#define CPU_FTRS_G2_LE (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_MAYBE_CAN_DOZE | \ + CPU_FTR_USE_TB | CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_HAS_HIGH_BATS) +#define CPU_FTRS_E300 (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_MAYBE_CAN_DOZE | \ + CPU_FTR_USE_TB | CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_HAS_HIGH_BATS | \ + CPU_FTR_COMMON) +#define CPU_FTRS_CLASSIC32 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \ + CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE) +#define CPU_FTRS_POWER3_32 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \ + CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE) +#define CPU_FTRS_POWER4_32 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \ + CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE | CPU_FTR_NODSISRALIGN) +#define CPU_FTRS_970_32 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \ + CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE | CPU_FTR_ALTIVEC_COMP | \ + CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_NODSISRALIGN) +#define CPU_FTRS_8XX (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB) +#define CPU_FTRS_40X (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \ + CPU_FTR_NODSISRALIGN) +#define CPU_FTRS_44X (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \ + CPU_FTR_NODSISRALIGN) +#define CPU_FTRS_E200 (CPU_FTR_USE_TB | CPU_FTR_NODSISRALIGN) +#define CPU_FTRS_E500 (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \ + CPU_FTR_NODSISRALIGN) +#define CPU_FTRS_E500_2 (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \ + CPU_FTR_BIG_PHYS | CPU_FTR_NODSISRALIGN) +#define CPU_FTRS_GENERIC_32 (CPU_FTR_COMMON | CPU_FTR_NODSISRALIGN) #ifdef __powerpc64__ - CPU_FTRS_POWER3 = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | - CPU_FTR_HPTE_TABLE | CPU_FTR_IABR, - CPU_FTRS_RS64 = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | - CPU_FTR_HPTE_TABLE | CPU_FTR_IABR | - CPU_FTR_MMCRA | CPU_FTR_CTRL, - CPU_FTRS_POWER4 = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | - CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_MMCRA, - CPU_FTRS_PPC970 = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | - CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | - CPU_FTR_ALTIVEC_COMP | CPU_FTR_CAN_NAP | CPU_FTR_MMCRA, - CPU_FTRS_POWER5 = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | - CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | - CPU_FTR_MMCRA | CPU_FTR_SMT | - CPU_FTR_COHERENT_ICACHE | CPU_FTR_LOCKLESS_TLBIE | - CPU_FTR_MMCRA_SIHV | CPU_FTR_PURR, - CPU_FTRS_CELL = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | - CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | - CPU_FTR_ALTIVEC_COMP | CPU_FTR_MMCRA | CPU_FTR_SMT | - CPU_FTR_CTRL | CPU_FTR_PAUSE_ZERO, - CPU_FTRS_COMPATIBLE = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | - CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2, +#define CPU_FTRS_POWER3 (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \ + CPU_FTR_HPTE_TABLE | CPU_FTR_IABR) +#define CPU_FTRS_RS64 (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \ + CPU_FTR_HPTE_TABLE | CPU_FTR_IABR | \ + CPU_FTR_MMCRA | CPU_FTR_CTRL) +#define CPU_FTRS_POWER4 (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \ + CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_MMCRA) +#define CPU_FTRS_PPC970 (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \ + CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | \ + CPU_FTR_ALTIVEC_COMP | CPU_FTR_CAN_NAP | CPU_FTR_MMCRA) +#define CPU_FTRS_POWER5 (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \ + CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | \ + CPU_FTR_MMCRA | CPU_FTR_SMT | \ + CPU_FTR_COHERENT_ICACHE | CPU_FTR_LOCKLESS_TLBIE | \ + CPU_FTR_MMCRA_SIHV | CPU_FTR_PURR) +#define CPU_FTRS_CELL (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \ + CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | \ + CPU_FTR_ALTIVEC_COMP | CPU_FTR_MMCRA | CPU_FTR_SMT | \ + CPU_FTR_CTRL | CPU_FTR_PAUSE_ZERO) +#define CPU_FTRS_COMPATIBLE (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \ + CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2) #endif - CPU_FTRS_POSSIBLE = #ifdef __powerpc64__ - CPU_FTRS_POWER3 | CPU_FTRS_RS64 | CPU_FTRS_POWER4 | - CPU_FTRS_PPC970 | CPU_FTRS_POWER5 | CPU_FTRS_CELL | - CPU_FTR_CI_LARGE_PAGE | +#define CPU_FTRS_POSSIBLE \ + (CPU_FTRS_POWER3 | CPU_FTRS_RS64 | CPU_FTRS_POWER4 | \ + CPU_FTRS_PPC970 | CPU_FTRS_POWER5 | CPU_FTRS_CELL | \ + CPU_FTR_CI_LARGE_PAGE) #else +enum { + CPU_FTRS_POSSIBLE = #if CLASSIC_PPC CPU_FTRS_PPC601 | CPU_FTRS_603 | CPU_FTRS_604 | CPU_FTRS_740_NOTAU | CPU_FTRS_740 | CPU_FTRS_750 | CPU_FTRS_750FX1 | @@ -368,14 +369,18 @@ enum { #ifdef CONFIG_E500 CPU_FTRS_E500 | CPU_FTRS_E500_2 | #endif -#endif /* __powerpc64__ */ 0, +}; +#endif /* __powerpc64__ */ - CPU_FTRS_ALWAYS = #ifdef __powerpc64__ - CPU_FTRS_POWER3 & CPU_FTRS_RS64 & CPU_FTRS_POWER4 & - CPU_FTRS_PPC970 & CPU_FTRS_POWER5 & CPU_FTRS_CELL & +#define CPU_FTRS_ALWAYS \ + (CPU_FTRS_POWER3 & CPU_FTRS_RS64 & CPU_FTRS_POWER4 & \ + CPU_FTRS_PPC970 & CPU_FTRS_POWER5 & CPU_FTRS_CELL & \ + CPU_FTRS_POSSIBLE) #else +enum { + CPU_FTRS_ALWAYS = #if CLASSIC_PPC CPU_FTRS_PPC601 & CPU_FTRS_603 & CPU_FTRS_604 & CPU_FTRS_740_NOTAU & CPU_FTRS_740 & CPU_FTRS_750 & CPU_FTRS_750FX1 & @@ -409,9 +414,9 @@ enum { #ifdef CONFIG_E500 CPU_FTRS_E500 & CPU_FTRS_E500_2 & #endif -#endif /* __powerpc64__ */ CPU_FTRS_POSSIBLE, }; +#endif /* __powerpc64__ */ static inline int cpu_has_feature(unsigned long feature) { diff --git a/include/asm-powerpc/firmware.h b/include/asm-powerpc/firmware.h index ce3788224ed..77069df92bf 100644 --- a/include/asm-powerpc/firmware.h +++ b/include/asm-powerpc/firmware.h @@ -82,13 +82,11 @@ enum { /* This is used to identify firmware features which are available * to the kernel. */ -extern unsigned long ppc64_firmware_features; +extern unsigned long powerpc_firmware_features; -static inline unsigned long firmware_has_feature(unsigned long feature) -{ - return (FW_FEATURE_ALWAYS & feature) || - (FW_FEATURE_POSSIBLE & ppc64_firmware_features & feature); -} +#define firmware_has_feature(feature) \ + ((FW_FEATURE_ALWAYS & (feature)) || \ + (FW_FEATURE_POSSIBLE & powerpc_firmware_features & (feature))) extern void system_reset_fwnmi(void); extern void machine_check_fwnmi(void); diff --git a/include/asm-powerpc/floppy.h b/include/asm-powerpc/floppy.h index e258778ca42..608164c39ef 100644 --- a/include/asm-powerpc/floppy.h +++ b/include/asm-powerpc/floppy.h @@ -35,6 +35,7 @@ #ifdef CONFIG_PCI #include <linux/pci.h> +#include <asm/ppc-pci.h> /* for ppc64_isabridge_dev */ #define fd_dma_setup(addr,size,mode,io) powerpc_fd_dma_setup(addr,size,mode,io) @@ -52,12 +53,12 @@ static __inline__ int powerpc_fd_dma_setup(char *addr, unsigned long size, if (bus_addr && (addr != prev_addr || size != prev_size || dir != prev_dir)) { /* different from last time -- unmap prev */ - pci_unmap_single(NULL, bus_addr, prev_size, prev_dir); + pci_unmap_single(ppc64_isabridge_dev, bus_addr, prev_size, prev_dir); bus_addr = 0; } if (!bus_addr) /* need to map it */ - bus_addr = pci_map_single(NULL, addr, size, dir); + bus_addr = pci_map_single(ppc64_isabridge_dev, addr, size, dir); /* remember this one as prev */ prev_addr = addr; diff --git a/include/asm-powerpc/hvcall.h b/include/asm-powerpc/hvcall.h index 38ca9ad6110..b72c04f3f55 100644 --- a/include/asm-powerpc/hvcall.h +++ b/include/asm-powerpc/hvcall.h @@ -9,6 +9,7 @@ #define H_Closed 2 /* Resource closed */ #define H_Constrained 4 /* Resource request constrained to max allowed */ #define H_InProgress 14 /* Kind of like busy */ +#define H_Pending 17 /* returned from H_POLL_PENDING */ #define H_Continue 18 /* Returned from H_Join on success */ #define H_LongBusyStartRange 9900 /* Start of long busy range */ #define H_LongBusyOrder1msec 9900 /* Long busy, hint that 1msec is a good time to retry */ diff --git a/include/asm-powerpc/hvconsole.h b/include/asm-powerpc/hvconsole.h index 34daf7b9b62..35ea69e8121 100644 --- a/include/asm-powerpc/hvconsole.h +++ b/include/asm-powerpc/hvconsole.h @@ -24,28 +24,18 @@ #ifdef __KERNEL__ /* - * This is the max number of console adapters that can/will be found as - * console devices on first stage console init. Any number beyond this range - * can't be used as a console device but is still a valid tty device. + * PSeries firmware will only send/recv up to 16 bytes of character data per + * hcall. */ -#define MAX_NR_HVC_CONSOLES 16 +#define MAX_VIO_PUT_CHARS 16 +#define SIZE_VIO_GET_CHARS 16 -/* implemented by a low level driver */ -struct hv_ops { - int (*get_chars)(uint32_t vtermno, char *buf, int count); - int (*put_chars)(uint32_t vtermno, const char *buf, int count); -}; +/* + * Vio firmware always attempts to fetch MAX_VIO_GET_CHARS chars. The 'count' + * parm is included to conform to put_chars() function pointer template + */ extern int hvc_get_chars(uint32_t vtermno, char *buf, int count); extern int hvc_put_chars(uint32_t vtermno, const char *buf, int count); -struct hvc_struct; - -/* Register a vterm and a slot index for use as a console (console_init) */ -extern int hvc_instantiate(uint32_t vtermno, int index, struct hv_ops *ops); -/* register a vterm for hvc tty operation (module_init or hotplug add) */ -extern struct hvc_struct * __devinit hvc_alloc(uint32_t vtermno, int irq, - struct hv_ops *ops); -/* remove a vterm from hvc tty operation (modele_exit or hotplug remove) */ -extern int __devexit hvc_remove(struct hvc_struct *hp); #endif /* __KERNEL__ */ #endif /* _PPC64_HVCONSOLE_H */ diff --git a/include/asm-powerpc/machdep.h b/include/asm-powerpc/machdep.h index 5348b820788..5ed84768075 100644 --- a/include/asm-powerpc/machdep.h +++ b/include/asm-powerpc/machdep.h @@ -47,6 +47,7 @@ struct smp_ops_t { #endif struct machdep_calls { + char *name; #ifdef CONFIG_PPC64 void (*hpte_invalidate)(unsigned long slot, unsigned long va, @@ -85,9 +86,9 @@ struct machdep_calls { void (*iommu_dev_setup)(struct pci_dev *dev); void (*iommu_bus_setup)(struct pci_bus *bus); void (*irq_bus_setup)(struct pci_bus *bus); -#endif +#endif /* CONFIG_PPC64 */ - int (*probe)(int platform); + int (*probe)(void); void (*setup_arch)(void); void (*init_early)(void); /* Optional, may be NULL. */ @@ -158,6 +159,12 @@ struct machdep_calls { /* Idle loop for this platform, leave empty for default idle loop */ void (*idle_loop)(void); + /* + * Function for waiting for work with reduced power in idle loop; + * called with interrupts disabled. + */ + void (*power_save)(void); + /* Function to enable performance monitor counters for this platform, called once per cpu. */ void (*enable_pmcs)(void); @@ -170,13 +177,6 @@ struct machdep_calls { May be NULL. */ void (*init)(void); - void (*idle)(void); - void (*power_save)(void); - - void (*heartbeat)(void); - unsigned long heartbeat_reset; - unsigned long heartbeat_count; - void (*setup_io_mappings)(void); void (*early_serial_map)(void); @@ -208,8 +208,6 @@ struct machdep_calls { /* Called at then very end of pcibios_init() */ void (*pcibios_after_init)(void); - /* this is for modules, since _machine can be a define -- Cort */ - int ppc_machine; #endif /* CONFIG_PPC32 */ /* Called to shutdown machine specific hardware not already controlled @@ -242,10 +240,29 @@ struct machdep_calls { #endif /* CONFIG_KEXEC */ }; -extern void default_idle(void); -extern void native_idle(void); +extern void power4_idle(void); +extern void ppc6xx_idle(void); +/* + * ppc_md contains a copy of the machine description structure for the + * current platform. machine_id contains the initial address where the + * description was found during boot. + */ extern struct machdep_calls ppc_md; +extern struct machdep_calls *machine_id; + +#define __machine_desc __attribute__ ((__section__ (".machine.desc"))) + +#define define_machine(name) struct machdep_calls mach_##name __machine_desc = +#define machine_is(name) \ + ({ \ + extern struct machdep_calls mach_##name \ + __attribute__((weak)); \ + machine_id == &mach_##name; \ + }) + +extern void probe_machine(void); + extern char cmd_line[COMMAND_LINE_SIZE]; #ifdef CONFIG_PPC_PMAC diff --git a/include/asm-powerpc/oprofile_impl.h b/include/asm-powerpc/oprofile_impl.h index 338e6a7cff4..5b33994cd48 100644 --- a/include/asm-powerpc/oprofile_impl.h +++ b/include/asm-powerpc/oprofile_impl.h @@ -17,9 +17,6 @@ /* Per-counter configuration as set via oprofilefs. */ struct op_counter_config { -#ifdef __powerpc64__ - unsigned long valid; -#endif unsigned long enabled; unsigned long event; unsigned long count; @@ -38,9 +35,6 @@ struct op_system_config { #endif unsigned long enable_kernel; unsigned long enable_user; -#ifdef CONFIG_PPC64 - unsigned long backtrace_spinlocks; -#endif }; /* Per-arch configuration */ @@ -56,17 +50,12 @@ struct op_powerpc_model { int num_counters; }; -#ifdef CONFIG_FSL_BOOKE extern struct op_powerpc_model op_model_fsl_booke; -#else /* Otherwise, it's classic */ - -#ifdef CONFIG_PPC64 extern struct op_powerpc_model op_model_rs64; extern struct op_powerpc_model op_model_power4; - -#else /* Otherwise, CONFIG_PPC32 */ extern struct op_powerpc_model op_model_7450; -#endif + +#ifndef CONFIG_FSL_BOOKE /* All the classic PPC parts use these */ static inline unsigned int ctr_read(unsigned int i) @@ -134,5 +123,7 @@ static inline void ctr_write(unsigned int i, unsigned int val) } #endif /* !CONFIG_FSL_BOOKE */ +extern void op_powerpc_backtrace(struct pt_regs * const regs, unsigned int depth); + #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_OPROFILE_IMPL_H */ diff --git a/include/asm-powerpc/paca.h b/include/asm-powerpc/paca.h index 4465b95ebef..706325f99a8 100644 --- a/include/asm-powerpc/paca.h +++ b/include/asm-powerpc/paca.h @@ -105,5 +105,7 @@ struct paca_struct { extern struct paca_struct paca[]; +void setup_boot_paca(void); + #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_PACA_H */ diff --git a/include/asm-powerpc/percpu.h b/include/asm-powerpc/percpu.h index 464301cd0d0..184a7a4d2fd 100644 --- a/include/asm-powerpc/percpu.h +++ b/include/asm-powerpc/percpu.h @@ -27,7 +27,7 @@ #define percpu_modcopy(pcpudst, src, size) \ do { \ unsigned int __i; \ - for_each_cpu(__i) \ + for_each_possible_cpu(__i) \ memcpy((pcpudst)+__per_cpu_offset(__i), \ (src), (size)); \ } while (0) diff --git a/include/asm-powerpc/pmac_feature.h b/include/asm-powerpc/pmac_feature.h index 3221628130c..d3599cc9aa7 100644 --- a/include/asm-powerpc/pmac_feature.h +++ b/include/asm-powerpc/pmac_feature.h @@ -305,7 +305,7 @@ extern void pmac_feature_init(void); extern void pmac_set_early_video_resume(void (*proc)(void *data), void *data); extern void pmac_call_early_video_resume(void); -#define PMAC_FTR_DEF(x) ((_MACH_Pmac << 16) | (x)) +#define PMAC_FTR_DEF(x) ((0x6660000) | (x)) /* The AGP driver registers itself here */ extern void pmac_register_agp_pm(struct pci_dev *bridge, diff --git a/include/asm-powerpc/processor.h b/include/asm-powerpc/processor.h index 1c64a211cf1..93f83efeb31 100644 --- a/include/asm-powerpc/processor.h +++ b/include/asm-powerpc/processor.h @@ -22,22 +22,6 @@ * -- BenH. */ -/* Platforms codes (to be obsoleted) */ -#define PLATFORM_PSERIES 0x0100 -#define PLATFORM_PSERIES_LPAR 0x0101 -#define PLATFORM_ISERIES_LPAR 0x0201 -#define PLATFORM_LPAR 0x0001 -#define PLATFORM_POWERMAC 0x0400 -#define PLATFORM_MAPLE 0x0500 -#define PLATFORM_PREP 0x0600 -#define PLATFORM_CHRP 0x0700 -#define PLATFORM_CELL 0x1000 - -/* Compat platform codes for 32 bits */ -#define _MACH_prep PLATFORM_PREP -#define _MACH_Pmac PLATFORM_POWERMAC -#define _MACH_chrp PLATFORM_CHRP - /* PREP sub-platform types see residual.h for these */ #define _PREP_Motorola 0x01 /* motorola prep */ #define _PREP_Firm 0x02 /* firmworks prep */ @@ -49,18 +33,14 @@ #define _CHRP_IBM 0x05 /* IBM chrp, the longtrail and longtrail 2 */ #define _CHRP_Pegasos 0x06 /* Genesi/bplan's Pegasos and Pegasos2 */ -#ifdef __KERNEL__ -#define platform_is_pseries() (_machine == PLATFORM_PSERIES || \ - _machine == PLATFORM_PSERIES_LPAR) +#if defined(__KERNEL__) && defined(CONFIG_PPC32) -#if defined(CONFIG_PPC_MULTIPLATFORM) -extern int _machine; +extern int _chrp_type; -#ifdef CONFIG_PPC32 +#ifdef CONFIG_PPC_PREP /* what kind of prep workstation we are */ extern int _prep_type; -extern int _chrp_type; /* * This is used to identify the board type from a given PReP board @@ -70,17 +50,14 @@ extern int _chrp_type; extern unsigned char ucBoardRev; extern unsigned char ucBoardRevMaj, ucBoardRevMin; -#endif /* CONFIG_PPC32 */ +#endif /* CONFIG_PPC_PREP */ -#elif defined(CONFIG_PPC_ISERIES) -/* - * iSeries is soon to become MULTIPLATFORM hopefully ... - */ -#define _machine PLATFORM_ISERIES_LPAR -#else +#ifndef CONFIG_PPC_MULTIPLATFORM #define _machine 0 #endif /* CONFIG_PPC_MULTIPLATFORM */ -#endif /* __KERNEL__ */ + +#endif /* defined(__KERNEL__) && defined(CONFIG_PPC32) */ + /* * Default implementation of macro that returns current * instruction pointer ("program counter"). @@ -251,6 +228,10 @@ static inline unsigned long __pack_fe01(unsigned int fpmode) #define cpu_relax() barrier() #endif +/* Check that a certain kernel stack pointer is valid in task_struct p */ +int validate_sp(unsigned long sp, struct task_struct *p, + unsigned long nbytes); + /* * Prefetch macros. */ diff --git a/include/asm-powerpc/prom.h b/include/asm-powerpc/prom.h index 782e13a070a..97ef1cd71a4 100644 --- a/include/asm-powerpc/prom.h +++ b/include/asm-powerpc/prom.h @@ -149,12 +149,14 @@ extern struct device_node *of_node_get(struct device_node *node); extern void of_node_put(struct device_node *node); /* For scanning the flat device-tree at boot time */ -int __init of_scan_flat_dt(int (*it)(unsigned long node, - const char *uname, int depth, - void *data), - void *data); -void* __init of_get_flat_dt_prop(unsigned long node, const char *name, - unsigned long *size); +extern int __init of_scan_flat_dt(int (*it)(unsigned long node, + const char *uname, int depth, + void *data), + void *data); +extern void* __init of_get_flat_dt_prop(unsigned long node, const char *name, + unsigned long *size); +extern int __init of_flat_dt_is_compatible(unsigned long node, const char *name); +extern unsigned long __init of_get_flat_dt_root(void); /* For updating the device tree at runtime */ extern void of_attach_node(struct device_node *); diff --git a/include/asm-powerpc/reg.h b/include/asm-powerpc/reg.h index 72bfe3af046..bd467bf5cf5 100644 --- a/include/asm-powerpc/reg.h +++ b/include/asm-powerpc/reg.h @@ -622,6 +622,10 @@ extern void ppc64_runlatch_off(void); extern unsigned long scom970_read(unsigned int address); extern void scom970_write(unsigned int address, unsigned long value); +#else +#define ppc64_runlatch_on() +#define ppc64_runlatch_off() + #endif /* CONFIG_PPC64 */ #define __get_SP() ({unsigned long sp; \ diff --git a/include/asm-powerpc/smp.h b/include/asm-powerpc/smp.h index 98581e5a827..4a716f707cf 100644 --- a/include/asm-powerpc/smp.h +++ b/include/asm-powerpc/smp.h @@ -29,7 +29,6 @@ #endif extern int boot_cpuid; -extern int boot_cpuid_phys; extern void cpu_die(void); @@ -99,6 +98,7 @@ extern void smp_release_cpus(void); #else /* 32-bit */ #ifndef CONFIG_SMP +extern int boot_cpuid_phys; #define get_hard_smp_processor_id(cpu) boot_cpuid_phys #define set_hard_smp_processor_id(cpu, phys) #endif diff --git a/include/asm-powerpc/spu.h b/include/asm-powerpc/spu.h index 38bacf2f6e0..f431d8b0b65 100644 --- a/include/asm-powerpc/spu.h +++ b/include/asm-powerpc/spu.h @@ -110,6 +110,7 @@ struct spu { char *name; unsigned long local_store_phys; u8 *local_store; + unsigned long problem_phys; struct spu_problem __iomem *problem; struct spu_priv1 __iomem *priv1; struct spu_priv2 __iomem *priv2; @@ -137,6 +138,7 @@ struct spu { void (* wbox_callback)(struct spu *spu); void (* ibox_callback)(struct spu *spu); void (* stop_callback)(struct spu *spu); + void (* mfc_callback)(struct spu *spu); char irq_c0[8]; char irq_c1[8]; @@ -149,6 +151,14 @@ int spu_irq_class_0_bottom(struct spu *spu); int spu_irq_class_1_bottom(struct spu *spu); void spu_irq_setaffinity(struct spu *spu, int cpu); +/* system callbacks from the SPU */ +struct spu_syscall_block { + u64 nr_ret; + u64 parm[6]; +}; +extern long spu_sys_callback(struct spu_syscall_block *s); + +/* syscalls implemented in spufs */ extern struct spufs_calls { asmlinkage long (*create_thread)(const char __user *name, unsigned int flags, mode_t mode); @@ -399,7 +409,6 @@ struct spu_priv1 { #define SPU_GET_REVISION_BITS(vr) (vr & SPU_REVISION_BITS) u8 pad_0x28_0x100[0x100 - 0x28]; /* 0x28 */ - /* Interrupt Area */ u64 int_mask_RW[3]; /* 0x100 */ #define CLASS0_ENABLE_DMA_ALIGNMENT_INTR 0x1L diff --git a/include/asm-powerpc/syscalls.h b/include/asm-powerpc/syscalls.h new file mode 100644 index 00000000000..c2fe79d4f90 --- /dev/null +++ b/include/asm-powerpc/syscalls.h @@ -0,0 +1,58 @@ +#ifndef __ASM_POWERPC_SYSCALLS_H +#define __ASM_POWERPC_SYSCALLS_H +#ifdef __KERNEL__ + +#include <linux/compiler.h> +#include <linux/linkage.h> +#include <linux/types.h> +#include <asm/signal.h> + +struct new_utsname; +struct pt_regs; +struct rtas_args; +struct sigaction; + +asmlinkage unsigned long sys_mmap(unsigned long addr, size_t len, + unsigned long prot, unsigned long flags, + unsigned long fd, off_t offset); +asmlinkage unsigned long sys_mmap2(unsigned long addr, size_t len, + unsigned long prot, unsigned long flags, + unsigned long fd, unsigned long pgoff); +asmlinkage int sys_execve(unsigned long a0, unsigned long a1, + unsigned long a2, unsigned long a3, unsigned long a4, + unsigned long a5, struct pt_regs *regs); +asmlinkage int sys_clone(unsigned long clone_flags, unsigned long usp, + int __user *parent_tidp, void __user *child_threadptr, + int __user *child_tidp, int p6, struct pt_regs *regs); +asmlinkage int sys_fork(unsigned long p1, unsigned long p2, + unsigned long p3, unsigned long p4, unsigned long p5, + unsigned long p6, struct pt_regs *regs); +asmlinkage int sys_vfork(unsigned long p1, unsigned long p2, + unsigned long p3, unsigned long p4, unsigned long p5, + unsigned long p6, struct pt_regs *regs); +asmlinkage int sys_pipe(int __user *fildes); +asmlinkage long sys_rt_sigaction(int sig, + const struct sigaction __user *act, + struct sigaction __user *oact, size_t sigsetsize); +asmlinkage int sys_ipc(uint call, int first, unsigned long second, + long third, void __user *ptr, long fifth); +asmlinkage long ppc64_personality(unsigned long personality); +asmlinkage int ppc_rtas(struct rtas_args __user *uargs); +asmlinkage time_t sys64_time(time_t __user * tloc); +asmlinkage long ppc_newuname(struct new_utsname __user * name); + +asmlinkage long sys_rt_sigsuspend(sigset_t __user *unewset, + size_t sigsetsize); + +#ifndef __powerpc64__ +asmlinkage long sys_sigaltstack(const stack_t __user *uss, + stack_t __user *uoss, int r5, int r6, int r7, int r8, + struct pt_regs *regs); +#else /* __powerpc64__ */ +asmlinkage long sys_sigaltstack(const stack_t __user *uss, + stack_t __user *uoss, unsigned long r5, unsigned long r6, + unsigned long r7, unsigned long r8, struct pt_regs *regs); +#endif /* __powerpc64__ */ + +#endif /* __KERNEL__ */ +#endif /* __ASM_POWERPC_SYSCALLS_H */ diff --git a/include/asm-powerpc/unistd.h b/include/asm-powerpc/unistd.h index 35556993f06..1e990747dce 100644 --- a/include/asm-powerpc/unistd.h +++ b/include/asm-powerpc/unistd.h @@ -425,6 +425,7 @@ type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5, type6 arg6 #include <linux/types.h> #include <linux/compiler.h> #include <linux/linkage.h> +#include <asm/syscalls.h> #define __ARCH_WANT_IPC_PARSE_VERSION #define __ARCH_WANT_OLD_READDIR @@ -460,44 +461,10 @@ type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5, type6 arg6 * System call prototypes. */ #ifdef __KERNEL_SYSCALLS__ -extern pid_t setsid(void); -extern int write(int fd, const char *buf, off_t count); -extern int read(int fd, char *buf, off_t count); -extern off_t lseek(int fd, off_t offset, int count); -extern int dup(int fd); extern int execve(const char *file, char **argv, char **envp); -extern int open(const char *file, int flag, int mode); -extern int close(int fd); -extern pid_t waitpid(pid_t pid, int *wait_stat, int options); #endif /* __KERNEL_SYSCALLS__ */ /* - * Functions that implement syscalls. - */ -unsigned long sys_mmap(unsigned long addr, size_t len, unsigned long prot, - unsigned long flags, unsigned long fd, off_t offset); -unsigned long sys_mmap2(unsigned long addr, size_t len, - unsigned long prot, unsigned long flags, - unsigned long fd, unsigned long pgoff); -struct pt_regs; -int sys_execve(unsigned long a0, unsigned long a1, unsigned long a2, - unsigned long a3, unsigned long a4, unsigned long a5, - struct pt_regs *regs); -int sys_clone(unsigned long clone_flags, unsigned long usp, - int __user *parent_tidp, void __user *child_threadptr, - int __user *child_tidp, int p6, struct pt_regs *regs); -int sys_fork(unsigned long p1, unsigned long p2, unsigned long p3, - unsigned long p4, unsigned long p5, unsigned long p6, - struct pt_regs *regs); -int sys_vfork(unsigned long p1, unsigned long p2, unsigned long p3, - unsigned long p4, unsigned long p5, unsigned long p6, - struct pt_regs *regs); -int sys_pipe(int __user *fildes); -struct sigaction; -long sys_rt_sigaction(int sig, const struct sigaction __user *act, - struct sigaction __user *oact, size_t sigsetsize); - -/* * "Conditional" syscalls * * What we want is __attribute__((weak,alias("sys_ni_syscall"))), diff --git a/include/asm-powerpc/vdso_datapage.h b/include/asm-powerpc/vdso_datapage.h index 7aa92086c3f..8a94f0eba5e 100644 --- a/include/asm-powerpc/vdso_datapage.h +++ b/include/asm-powerpc/vdso_datapage.h @@ -55,6 +55,9 @@ struct vdso_data { __u32 minor; /* Minor number 0x14 */ } version; + /* Note about the platform flags: it now only contains the lpar + * bit. The actual platform number is dead and burried + */ __u32 platform; /* Platform flags 0x18 */ __u32 processor; /* Processor type 0x1C */ __u64 processorCount; /* # of physical processors 0x20 */ diff --git a/include/asm-ppc/machdep.h b/include/asm-ppc/machdep.h index a3e8a45e45a..e1a0a7b213d 100644 --- a/include/asm-ppc/machdep.h +++ b/include/asm-ppc/machdep.h @@ -19,6 +19,18 @@ struct pci_dev; struct seq_file; struct file; +/* + * This is for compatibility with ARCH=powerpc. + */ +#define machine_is(x) __MACHINE_IS_##x +#define __MACHINE_IS_powermac 0 +#define __MACHINE_IS_chrp 0 +#ifdef CONFIG_PPC_PREP +#define __MACHINE_IS_prep 1 +#else +#define __MACHINE_IS_prep 0 +#endif + /* We export this macro for external modules like Alsa to know if * ppc_md.feature_call is implemented or not */ @@ -44,7 +56,7 @@ struct machdep_calls { void (*power_off)(void); void (*halt)(void); - void (*idle)(void); + void (*idle_loop)(void); void (*power_save)(void); long (*time_init)(void); /* Optional, may be NULL */ @@ -104,9 +116,6 @@ struct machdep_calls { unsigned long size, pgprot_t vma_prot); - /* this is for modules, since _machine can be a define -- Cort */ - int ppc_machine; - /* Motherboard/chipset features. This is a kind of general purpose * hook used to control some machine specific features (like reset * lines, chip power control, etc...). diff --git a/include/asm-ppc/mpc52xx.h b/include/asm-ppc/mpc52xx.h index 6167f74635f..7e9842805a2 100644 --- a/include/asm-ppc/mpc52xx.h +++ b/include/asm-ppc/mpc52xx.h @@ -355,6 +355,7 @@ struct mpc52xx_xlb { u32 snoop_window; /* XLB + 0x70 */ }; +#define MPC52xx_XLB_CFG_PLDIS (1 << 31) #define MPC52xx_XLB_CFG_SNOOP (1 << 15) /* Clock Distribution control */ @@ -427,6 +428,9 @@ extern void mpc52xx_calibrate_decr(void); extern void mpc52xx_find_bridges(void); +extern void mpc52xx_setup_cpu(void); + + /* Matching of PSC function */ struct mpc52xx_psc_func { diff --git a/include/asm-ppc/pgtable.h b/include/asm-ppc/pgtable.h index e1c62da12e7..570b355162f 100644 --- a/include/asm-ppc/pgtable.h +++ b/include/asm-ppc/pgtable.h @@ -837,7 +837,8 @@ static inline int io_remap_pfn_range(struct vm_area_struct *vma, */ #define pgtable_cache_init() do { } while (0) -extern int get_pteptr(struct mm_struct *mm, unsigned long addr, pte_t **ptep); +extern int get_pteptr(struct mm_struct *mm, unsigned long addr, pte_t **ptep, + pmd_t **pmdp); #include <asm-generic/pgtable.h> diff --git a/include/asm-ppc/prom.h b/include/asm-ppc/prom.h index 6d431d6fb02..adc5ae78492 100644 --- a/include/asm-ppc/prom.h +++ b/include/asm-ppc/prom.h @@ -8,126 +8,19 @@ #ifndef _PPC_PROM_H #define _PPC_PROM_H -#include <linux/config.h> -#include <linux/types.h> - -typedef u32 phandle; -typedef u32 ihandle; - -struct address_range { - unsigned int space; - unsigned int address; - unsigned int size; -}; - -struct interrupt_info { - int line; - int sense; /* +ve/-ve logic, edge or level, etc. */ -}; - +/* This is used in arch/ppc/mm/mem_pieces.h */ struct reg_property { unsigned int address; unsigned int size; }; -struct property { - char *name; - int length; - unsigned char *value; - struct property *next; -}; - -/* - * Note: don't change this structure for now or you'll break BootX ! - */ -struct device_node { - char *name; - char *type; - phandle node; - int n_addrs; - struct address_range *addrs; - int n_intrs; - struct interrupt_info *intrs; - char *full_name; - struct property *properties; - struct device_node *parent; - struct device_node *child; - struct device_node *sibling; - struct device_node *next; /* next device of same type */ - struct device_node *allnext; /* next in list of all nodes */ -}; - -struct prom_args; -typedef void (*prom_entry)(struct prom_args *); - -/* OBSOLETE: Old style node lookup */ -extern struct device_node *find_devices(const char *name); -extern struct device_node *find_type_devices(const char *type); -extern struct device_node *find_path_device(const char *path); -extern struct device_node *find_compatible_devices(const char *type, - const char *compat); -extern struct device_node *find_all_nodes(void); - -/* New style node lookup */ -extern struct device_node *of_find_node_by_name(struct device_node *from, - const char *name); -extern struct device_node *of_find_node_by_type(struct device_node *from, - const char *type); -extern struct device_node *of_find_compatible_node(struct device_node *from, - const char *type, const char *compat); -extern struct device_node *of_find_node_by_path(const char *path); -extern struct device_node *of_find_all_nodes(struct device_node *prev); -extern struct device_node *of_get_parent(const struct device_node *node); -extern struct device_node *of_get_next_child(const struct device_node *node, - struct device_node *prev); -extern struct device_node *of_node_get(struct device_node *node); -extern void of_node_put(struct device_node *node); - -/* Other Prototypes */ -extern void abort(void); -extern unsigned long prom_init(int, int, prom_entry); -extern void prom_print(const char *msg); -extern void relocate_nodes(void); -extern void finish_device_tree(void); -extern int device_is_compatible(struct device_node *device, const char *); -extern int machine_is_compatible(const char *compat); -extern unsigned char *get_property(struct device_node *node, const char *name, - int *lenp); -extern int prom_add_property(struct device_node* np, struct property* prop); -extern void prom_get_irq_senses(unsigned char *, int, int); -extern int prom_n_addr_cells(struct device_node* np); -extern int prom_n_size_cells(struct device_node* np); - -extern struct resource* -request_OF_resource(struct device_node* node, int index, const char* name_postfix); -extern int release_OF_resource(struct device_node* node, int index); - -extern void print_properties(struct device_node *node); -extern int call_rtas(const char *service, int nargs, int nret, - unsigned long *outputs, ...); - /* - * PCI <-> OF matching functions - */ -struct pci_bus; -struct pci_dev; -extern int pci_device_from_OF_node(struct device_node *node, - u8* bus, u8* devfn); -extern struct device_node* pci_busdev_to_OF_node(struct pci_bus *, int); -extern struct device_node* pci_device_to_OF_node(struct pci_dev *); -extern void pci_create_OF_bus_map(void); - -/* - * When we call back to the Open Firmware client interface, we usually - * have to do that before the kernel is relocated to its final location - * (this is because we can't use OF after we have overwritten the - * exception vectors with our exception handlers). These macros assist - * in performing the address calculations that we need to do to access - * data when the kernel is running at an address that is different from - * the address that the kernel is linked at. The reloc_offset() function - * returns the difference between these two addresses and the macros - * simplify the process of adding or subtracting this offset to/from - * pointer values. See arch/ppc/kernel/prom.c for how these are used. + * These macros assist in performing the address calculations that we + * need to do to access data when the kernel is running at an address + * that is different from the address that the kernel is linked at. + * The reloc_offset() function returns the difference between these + * two addresses and the macros simplify the process of adding or + * subtracting this offset to/from pointer values. */ extern unsigned long reloc_offset(void); extern unsigned long add_reloc_offset(unsigned long); @@ -136,45 +29,12 @@ extern unsigned long sub_reloc_offset(unsigned long); #define PTRRELOC(x) ((typeof(x))add_reloc_offset((unsigned long)(x))) #define PTRUNRELOC(x) ((typeof(x))sub_reloc_offset((unsigned long)(x))) - -/* - * OF address retreival & translation - */ - - -/* Translate an OF address block into a CPU physical address - */ -#define OF_BAD_ADDR ((u64)-1) -extern u64 of_translate_address(struct device_node *np, u32 *addr); - -/* Extract an address from a device, returns the region size and - * the address space flags too. The PCI version uses a BAR number - * instead of an absolute index - */ -extern u32 *of_get_address(struct device_node *dev, int index, - u64 *size, unsigned int *flags); -extern u32 *of_get_pci_address(struct device_node *dev, int bar_no, - u64 *size, unsigned int *flags); - -/* Get an address as a resource. Note that if your address is - * a PIO address, the conversion will fail if the physical address - * can't be internally converted to an IO token with - * pci_address_to_pio(), that is because it's either called to early - * or it can't be matched to any host bridge IO space - */ -extern int of_address_to_resource(struct device_node *dev, int index, - struct resource *r); -extern int of_pci_address_to_resource(struct device_node *dev, int bar, - struct resource *r); - -#ifndef CONFIG_PPC_OF /* - * Fallback definitions for builds where we don't have prom.c included. + * Fallback definitions since we don't support OF in arch/ppc any more. */ #define machine_is_compatible(x) 0 #define of_find_compatible_node(f, t, c) NULL #define get_property(p, n, l) NULL -#endif #endif /* _PPC_PROM_H */ #endif /* __KERNEL__ */ diff --git a/include/asm-ppc/serial.h b/include/asm-ppc/serial.h index 485a924e4d0..b74af546156 100644 --- a/include/asm-ppc/serial.h +++ b/include/asm-ppc/serial.h @@ -41,15 +41,10 @@ #else /* - * XXX Assume for now it has PC-style ISA serial ports. - * This is true for PReP and CHRP at least. + * XXX Assume it has PC-style ISA serial ports - true for PReP at least. */ #include <asm/pc_serial.h> -#if defined(CONFIG_MAC_SERIAL) -#define SERIAL_DEV_OFFSET ((_machine == _MACH_prep || _machine == _MACH_chrp) ? 0 : 2) -#endif - #endif /* !CONFIG_GEMINI and others */ #endif /* __ASM_SERIAL_H__ */ #endif /* __KERNEL__ */ diff --git a/include/linux/init_task.h b/include/linux/init_task.h index 92146f3b742..41ecbb847f3 100644 --- a/include/linux/init_task.h +++ b/include/linux/init_task.h @@ -62,6 +62,8 @@ .posix_timers = LIST_HEAD_INIT(sig.posix_timers), \ .cpu_timers = INIT_CPU_TIMERS(sig.cpu_timers), \ .rlim = INIT_RLIMITS, \ + .pgrp = 1, \ + .session = 1, \ } #define INIT_SIGHAND(sighand) { \ diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h index e2ab2ac18d6..870fe38378b 100644 --- a/include/linux/pci_ids.h +++ b/include/linux/pci_ids.h @@ -773,6 +773,7 @@ #define PCI_DEVICE_ID_MOTOROLA_HAWK 0x4803 #define PCI_DEVICE_ID_MOTOROLA_HARRIER 0x480b #define PCI_DEVICE_ID_MOTOROLA_MPC5200 0x5803 +#define PCI_DEVICE_ID_MOTOROLA_MPC5200B 0x5809 #define PCI_VENDOR_ID_PROMISE 0x105a #define PCI_DEVICE_ID_PROMISE_20265 0x0d30 diff --git a/include/linux/pid.h b/include/linux/pid.h index 5b2fcb19d2d..5b9082cc600 100644 --- a/include/linux/pid.h +++ b/include/linux/pid.h @@ -4,7 +4,6 @@ enum pid_type { PIDTYPE_PID, - PIDTYPE_TGID, PIDTYPE_PGID, PIDTYPE_SID, PIDTYPE_MAX @@ -38,7 +37,6 @@ extern struct pid *FASTCALL(find_pid(enum pid_type, int)); extern int alloc_pidmap(void); extern void FASTCALL(free_pidmap(int)); -extern void switch_exec_pids(struct task_struct *leader, struct task_struct *thread); #define do_each_task_pid(who, type, task) \ if ((task = find_task_by_pid_type(type, who))) { \ diff --git a/include/linux/sched.h b/include/linux/sched.h index 20b4f0372e4..d04186d8cc6 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -355,16 +355,8 @@ struct sighand_struct { atomic_t count; struct k_sigaction action[_NSIG]; spinlock_t siglock; - struct rcu_head rcu; }; -extern void sighand_free_cb(struct rcu_head *rhp); - -static inline void sighand_free(struct sighand_struct *sp) -{ - call_rcu(&sp->rcu, sighand_free_cb); -} - /* * NOTE! "signal_struct" does not have it's own * locking, because a shared signal_struct always @@ -760,6 +752,7 @@ struct task_struct { /* PID/PID hash table linkage. */ struct pid pids[PIDTYPE_MAX]; + struct list_head thread_group; struct completion *vfork_done; /* for vfork() */ int __user *set_child_tid; /* CLONE_CHILD_SETTID */ @@ -1101,7 +1094,6 @@ extern void force_sig_specific(int, struct task_struct *); extern int send_sig(int, struct task_struct *, int); extern void zap_other_threads(struct task_struct *p); extern int kill_pg(pid_t, int, int); -extern int kill_sl(pid_t, int, int); extern int kill_proc(pid_t, int, int); extern struct sigqueue *sigqueue_alloc(void); extern void sigqueue_free(struct sigqueue *); @@ -1158,10 +1150,8 @@ extern void flush_thread(void); extern void exit_thread(void); extern void exit_files(struct task_struct *); -extern void exit_signal(struct task_struct *); -extern void __exit_signal(struct task_struct *); -extern void exit_sighand(struct task_struct *); -extern void __exit_sighand(struct task_struct *); +extern void __cleanup_signal(struct signal_struct *); +extern void __cleanup_sighand(struct sighand_struct *); extern void exit_itimers(struct signal_struct *); extern NORET_TYPE void do_group_exit(int); @@ -1185,19 +1175,7 @@ extern void wait_task_inactive(task_t * p); #endif #define remove_parent(p) list_del_init(&(p)->sibling) -#define add_parent(p, parent) list_add_tail(&(p)->sibling,&(parent)->children) - -#define REMOVE_LINKS(p) do { \ - if (thread_group_leader(p)) \ - list_del_init(&(p)->tasks); \ - remove_parent(p); \ - } while (0) - -#define SET_LINKS(p) do { \ - if (thread_group_leader(p)) \ - list_add_tail(&(p)->tasks,&init_task.tasks); \ - add_parent(p, (p)->parent); \ - } while (0) +#define add_parent(p) list_add_tail(&(p)->sibling,&(p)->parent->children) #define next_task(p) list_entry((p)->tasks.next, struct task_struct, tasks) #define prev_task(p) list_entry((p)->tasks.prev, struct task_struct, tasks) @@ -1215,20 +1193,22 @@ extern void wait_task_inactive(task_t * p); #define while_each_thread(g, t) \ while ((t = next_thread(t)) != g) -extern task_t * FASTCALL(next_thread(const task_t *p)); - #define thread_group_leader(p) (p->pid == p->tgid) +static inline task_t *next_thread(task_t *p) +{ + return list_entry(rcu_dereference(p->thread_group.next), + task_t, thread_group); +} + static inline int thread_group_empty(task_t *p) { - return list_empty(&p->pids[PIDTYPE_TGID].pid_list); + return list_empty(&p->thread_group); } #define delay_group_leader(p) \ (thread_group_leader(p) && !thread_group_empty(p)) -extern void unhash_process(struct task_struct *p); - /* * Protects ->fs, ->files, ->mm, ->ptrace, ->group_info, ->comm, keyring * subscriptions and synchronises with wait4(). Also used in procfs. Also @@ -1248,6 +1228,15 @@ static inline void task_unlock(struct task_struct *p) spin_unlock(&p->alloc_lock); } +extern struct sighand_struct *lock_task_sighand(struct task_struct *tsk, + unsigned long *flags); + +static inline void unlock_task_sighand(struct task_struct *tsk, + unsigned long *flags) +{ + spin_unlock_irqrestore(&tsk->sighand->siglock, *flags); +} + #ifndef __HAVE_THREAD_FUNCTIONS #define task_thread_info(task) (task)->thread_info diff --git a/include/linux/signal.h b/include/linux/signal.h index b7d093520bb..162a8fd10b2 100644 --- a/include/linux/signal.h +++ b/include/linux/signal.h @@ -249,6 +249,8 @@ static inline void init_sigpending(struct sigpending *sig) INIT_LIST_HEAD(&sig->list); } +extern void flush_sigqueue(struct sigpending *queue); + /* Test if 'sig' is valid signal. Use this instead of testing _NSIG directly */ static inline int valid_signal(unsigned long sig) { diff --git a/include/linux/slab.h b/include/linux/slab.h index 15e1d9736b1..3af03b19c98 100644 --- a/include/linux/slab.h +++ b/include/linux/slab.h @@ -210,7 +210,6 @@ extern kmem_cache_t *names_cachep; extern kmem_cache_t *files_cachep; extern kmem_cache_t *filp_cachep; extern kmem_cache_t *fs_cachep; -extern kmem_cache_t *signal_cachep; extern kmem_cache_t *sighand_cachep; extern kmem_cache_t *bio_cachep; diff --git a/kernel/exit.c b/kernel/exit.c index a8c7efc7a68..bc0ec674d3f 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -29,6 +29,7 @@ #include <linux/cpuset.h> #include <linux/syscalls.h> #include <linux/signal.h> +#include <linux/posix-timers.h> #include <linux/cn_proc.h> #include <linux/mutex.h> #include <linux/futex.h> @@ -50,15 +51,80 @@ static void __unhash_process(struct task_struct *p) { nr_threads--; detach_pid(p, PIDTYPE_PID); - detach_pid(p, PIDTYPE_TGID); if (thread_group_leader(p)) { detach_pid(p, PIDTYPE_PGID); detach_pid(p, PIDTYPE_SID); - if (p->pid) - __get_cpu_var(process_counts)--; + + list_del_init(&p->tasks); + __get_cpu_var(process_counts)--; + } + list_del_rcu(&p->thread_group); + remove_parent(p); +} + +/* + * This function expects the tasklist_lock write-locked. + */ +static void __exit_signal(struct task_struct *tsk) +{ + struct signal_struct *sig = tsk->signal; + struct sighand_struct *sighand; + + BUG_ON(!sig); + BUG_ON(!atomic_read(&sig->count)); + + rcu_read_lock(); + sighand = rcu_dereference(tsk->sighand); + spin_lock(&sighand->siglock); + + posix_cpu_timers_exit(tsk); + if (atomic_dec_and_test(&sig->count)) + posix_cpu_timers_exit_group(tsk); + else { + /* + * If there is any task waiting for the group exit + * then notify it: + */ + if (sig->group_exit_task && atomic_read(&sig->count) == sig->notify_count) { + wake_up_process(sig->group_exit_task); + sig->group_exit_task = NULL; + } + if (tsk == sig->curr_target) + sig->curr_target = next_thread(tsk); + /* + * Accumulate here the counters for all threads but the + * group leader as they die, so they can be added into + * the process-wide totals when those are taken. + * The group leader stays around as a zombie as long + * as there are other threads. When it gets reaped, + * the exit.c code will add its counts into these totals. + * We won't ever get here for the group leader, since it + * will have been the last reference on the signal_struct. + */ + sig->utime = cputime_add(sig->utime, tsk->utime); + sig->stime = cputime_add(sig->stime, tsk->stime); + sig->min_flt += tsk->min_flt; + sig->maj_flt += tsk->maj_flt; + sig->nvcsw += tsk->nvcsw; + sig->nivcsw += tsk->nivcsw; + sig->sched_time += tsk->sched_time; + sig = NULL; /* Marker for below. */ } - REMOVE_LINKS(p); + __unhash_process(tsk); + + tsk->signal = NULL; + tsk->sighand = NULL; + spin_unlock(&sighand->siglock); + rcu_read_unlock(); + + __cleanup_sighand(sighand); + clear_tsk_thread_flag(tsk,TIF_SIGPENDING); + flush_sigqueue(&tsk->pending); + if (sig) { + flush_sigqueue(&sig->shared_pending); + __cleanup_signal(sig); + } } void release_task(struct task_struct * p) @@ -67,21 +133,14 @@ void release_task(struct task_struct * p) task_t *leader; struct dentry *proc_dentry; -repeat: +repeat: atomic_dec(&p->user->processes); spin_lock(&p->proc_lock); proc_dentry = proc_pid_unhash(p); write_lock_irq(&tasklist_lock); - if (unlikely(p->ptrace)) - __ptrace_unlink(p); + ptrace_unlink(p); BUG_ON(!list_empty(&p->ptrace_list) || !list_empty(&p->ptrace_children)); __exit_signal(p); - /* - * Note that the fastpath in sys_times depends on __exit_signal having - * updated the counters before a task is removed from the tasklist of - * the process by __unhash_process. - */ - __unhash_process(p); /* * If we are the last non-leader member of the thread @@ -116,21 +175,6 @@ repeat: goto repeat; } -/* we are using it only for SMP init */ - -void unhash_process(struct task_struct *p) -{ - struct dentry *proc_dentry; - - spin_lock(&p->proc_lock); - proc_dentry = proc_pid_unhash(p); - write_lock_irq(&tasklist_lock); - __unhash_process(p); - write_unlock_irq(&tasklist_lock); - spin_unlock(&p->proc_lock); - proc_pid_flush(proc_dentry); -} - /* * This checks not only the pgrp, but falls back on the pid if no * satisfactory pgrp is found. I dunno - gdb doesn't work correctly @@ -238,10 +282,10 @@ static void reparent_to_init(void) ptrace_unlink(current); /* Reparent to init */ - REMOVE_LINKS(current); + remove_parent(current); current->parent = child_reaper; current->real_parent = child_reaper; - SET_LINKS(current); + add_parent(current); /* Set the exit signal to SIGCHLD so we signal init on exit */ current->exit_signal = SIGCHLD; @@ -538,13 +582,13 @@ static void exit_mm(struct task_struct * tsk) mmput(mm); } -static inline void choose_new_parent(task_t *p, task_t *reaper, task_t *child_reaper) +static inline void choose_new_parent(task_t *p, task_t *reaper) { /* * Make sure we're not reparenting to ourselves and that * the parent is not a zombie. */ - BUG_ON(p == reaper || reaper->exit_state >= EXIT_ZOMBIE); + BUG_ON(p == reaper || reaper->exit_state); p->real_parent = reaper; } @@ -569,9 +613,9 @@ static void reparent_thread(task_t *p, task_t *father, int traced) * anyway, so let go of it. */ p->ptrace = 0; - list_del_init(&p->sibling); + remove_parent(p); p->parent = p->real_parent; - list_add_tail(&p->sibling, &p->parent->children); + add_parent(p); /* If we'd notified the old parent about this child's death, * also notify the new parent. @@ -645,7 +689,7 @@ static void forget_original_parent(struct task_struct * father, if (father == p->real_parent) { /* reparent with a reaper, real father it's us */ - choose_new_parent(p, reaper, child_reaper); + choose_new_parent(p, reaper); reparent_thread(p, father, 0); } else { /* reparent ptraced task to its real parent */ @@ -666,7 +710,7 @@ static void forget_original_parent(struct task_struct * father, } list_for_each_safe(_p, _n, &father->ptrace_children) { p = list_entry(_p,struct task_struct,ptrace_list); - choose_new_parent(p, reaper, child_reaper); + choose_new_parent(p, reaper); reparent_thread(p, father, 1); } } @@ -807,7 +851,7 @@ fastcall NORET_TYPE void do_exit(long code) panic("Aiee, killing interrupt handler!"); if (unlikely(!tsk->pid)) panic("Attempted to kill the idle task!"); - if (unlikely(tsk->pid == 1)) + if (unlikely(tsk == child_reaper)) panic("Attempted to kill init!"); if (unlikely(current->ptrace & PT_TRACE_EXIT)) { @@ -920,13 +964,6 @@ asmlinkage long sys_exit(int error_code) do_exit((error_code&0xff)<<8); } -task_t fastcall *next_thread(const task_t *p) -{ - return pid_task(p->pids[PIDTYPE_TGID].pid_list.next, PIDTYPE_TGID); -} - -EXPORT_SYMBOL(next_thread); - /* * Take down every thread in the group. This is called by fatal signals * as well as by sys_exit_group (below). @@ -941,7 +978,6 @@ do_group_exit(int exit_code) else if (!thread_group_empty(current)) { struct signal_struct *const sig = current->signal; struct sighand_struct *const sighand = current->sighand; - read_lock(&tasklist_lock); spin_lock_irq(&sighand->siglock); if (sig->flags & SIGNAL_GROUP_EXIT) /* Another thread got here before we took the lock. */ @@ -951,7 +987,6 @@ do_group_exit(int exit_code) zap_other_threads(current); } spin_unlock_irq(&sighand->siglock); - read_unlock(&tasklist_lock); } do_exit(exit_code); @@ -1281,7 +1316,7 @@ bail_ref: /* move to end of parent's list to avoid starvation */ remove_parent(p); - add_parent(p, p->parent); + add_parent(p); write_unlock_irq(&tasklist_lock); diff --git a/kernel/fork.c b/kernel/fork.c index c49bd193b05..b3f7a1bb5e5 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -84,7 +84,7 @@ static kmem_cache_t *task_struct_cachep; #endif /* SLAB cache for signal_struct structures (tsk->signal) */ -kmem_cache_t *signal_cachep; +static kmem_cache_t *signal_cachep; /* SLAB cache for sighand_struct structures (tsk->sighand) */ kmem_cache_t *sighand_cachep; @@ -786,14 +786,6 @@ int unshare_files(void) EXPORT_SYMBOL(unshare_files); -void sighand_free_cb(struct rcu_head *rhp) -{ - struct sighand_struct *sp; - - sp = container_of(rhp, struct sighand_struct, rcu); - kmem_cache_free(sighand_cachep, sp); -} - static inline int copy_sighand(unsigned long clone_flags, struct task_struct * tsk) { struct sighand_struct *sig; @@ -806,12 +798,17 @@ static inline int copy_sighand(unsigned long clone_flags, struct task_struct * t rcu_assign_pointer(tsk->sighand, sig); if (!sig) return -ENOMEM; - spin_lock_init(&sig->siglock); atomic_set(&sig->count, 1); memcpy(sig->action, current->sighand->action, sizeof(sig->action)); return 0; } +void __cleanup_sighand(struct sighand_struct *sighand) +{ + if (atomic_dec_and_test(&sighand->count)) + kmem_cache_free(sighand_cachep, sighand); +} + static inline int copy_signal(unsigned long clone_flags, struct task_struct * tsk) { struct signal_struct *sig; @@ -881,6 +878,22 @@ static inline int copy_signal(unsigned long clone_flags, struct task_struct * ts return 0; } +void __cleanup_signal(struct signal_struct *sig) +{ + exit_thread_group_keys(sig); + kmem_cache_free(signal_cachep, sig); +} + +static inline void cleanup_signal(struct task_struct *tsk) +{ + struct signal_struct *sig = tsk->signal; + + atomic_dec(&sig->live); + + if (atomic_dec_and_test(&sig->count)) + __cleanup_signal(sig); +} + static inline void copy_flags(unsigned long clone_flags, struct task_struct *p) { unsigned long new_flags = p->flags; @@ -1095,6 +1108,7 @@ static task_t *copy_process(unsigned long clone_flags, * We dont wake it up yet. */ p->group_leader = p; + INIT_LIST_HEAD(&p->thread_group); INIT_LIST_HEAD(&p->ptrace_children); INIT_LIST_HEAD(&p->ptrace_list); @@ -1118,16 +1132,6 @@ static task_t *copy_process(unsigned long clone_flags, !cpu_online(task_cpu(p)))) set_task_cpu(p, smp_processor_id()); - /* - * Check for pending SIGKILL! The new thread should not be allowed - * to slip out of an OOM kill. (or normal SIGKILL.) - */ - if (sigismember(¤t->pending.signal, SIGKILL)) { - write_unlock_irq(&tasklist_lock); - retval = -EINTR; - goto bad_fork_cleanup_namespace; - } - /* CLONE_PARENT re-uses the old parent */ if (clone_flags & (CLONE_PARENT|CLONE_THREAD)) p->real_parent = current->real_parent; @@ -1136,6 +1140,23 @@ static task_t *copy_process(unsigned long clone_flags, p->parent = p->real_parent; spin_lock(¤t->sighand->siglock); + + /* + * Process group and session signals need to be delivered to just the + * parent before the fork or both the parent and the child after the + * fork. Restart if a signal comes in before we add the new process to + * it's process group. + * A fatal signal pending means that current will exit, so the new + * thread can't slip out of an OOM kill (or normal SIGKILL). + */ + recalc_sigpending(); + if (signal_pending(current)) { + spin_unlock(¤t->sighand->siglock); + write_unlock_irq(&tasklist_lock); + retval = -ERESTARTNOINTR; + goto bad_fork_cleanup_namespace; + } + if (clone_flags & CLONE_THREAD) { /* * Important: if an exit-all has been started then @@ -1148,17 +1169,9 @@ static task_t *copy_process(unsigned long clone_flags, retval = -EAGAIN; goto bad_fork_cleanup_namespace; } - p->group_leader = current->group_leader; - if (current->signal->group_stop_count > 0) { - /* - * There is an all-stop in progress for the group. - * We ourselves will stop as soon as we check signals. - * Make the new thread part of that group stop too. - */ - current->signal->group_stop_count++; - set_tsk_thread_flag(p, TIF_SIGPENDING); - } + p->group_leader = current->group_leader; + list_add_tail_rcu(&p->thread_group, &p->group_leader->thread_group); if (!cputime_eq(current->signal->it_virt_expires, cputime_zero) || @@ -1181,23 +1194,25 @@ static task_t *copy_process(unsigned long clone_flags, */ p->ioprio = current->ioprio; - SET_LINKS(p); - if (unlikely(p->ptrace & PT_PTRACED)) - __ptrace_link(p, current->parent); - - if (thread_group_leader(p)) { - p->signal->tty = current->signal->tty; - p->signal->pgrp = process_group(current); - p->signal->session = current->signal->session; - attach_pid(p, PIDTYPE_PGID, process_group(p)); - attach_pid(p, PIDTYPE_SID, p->signal->session); - if (p->pid) + if (likely(p->pid)) { + add_parent(p); + if (unlikely(p->ptrace & PT_PTRACED)) + __ptrace_link(p, current->parent); + + if (thread_group_leader(p)) { + p->signal->tty = current->signal->tty; + p->signal->pgrp = process_group(current); + p->signal->session = current->signal->session; + attach_pid(p, PIDTYPE_PGID, process_group(p)); + attach_pid(p, PIDTYPE_SID, p->signal->session); + + list_add_tail(&p->tasks, &init_task.tasks); __get_cpu_var(process_counts)++; + } + attach_pid(p, PIDTYPE_PID, p->pid); + nr_threads++; } - attach_pid(p, PIDTYPE_TGID, p->tgid); - attach_pid(p, PIDTYPE_PID, p->pid); - nr_threads++; total_forks++; spin_unlock(¤t->sighand->siglock); write_unlock_irq(&tasklist_lock); @@ -1212,9 +1227,9 @@ bad_fork_cleanup_mm: if (p->mm) mmput(p->mm); bad_fork_cleanup_signal: - exit_signal(p); + cleanup_signal(p); bad_fork_cleanup_sighand: - exit_sighand(p); + __cleanup_sighand(p->sighand); bad_fork_cleanup_fs: exit_fs(p); /* blocking */ bad_fork_cleanup_files: @@ -1261,7 +1276,7 @@ task_t * __devinit fork_idle(int cpu) if (!task) return ERR_PTR(-ENOMEM); init_idle(task, cpu); - unhash_process(task); + return task; } @@ -1353,11 +1368,21 @@ long do_fork(unsigned long clone_flags, #define ARCH_MIN_MMSTRUCT_ALIGN 0 #endif +static void sighand_ctor(void *data, kmem_cache_t *cachep, unsigned long flags) +{ + struct sighand_struct *sighand = data; + + if ((flags & (SLAB_CTOR_VERIFY | SLAB_CTOR_CONSTRUCTOR)) == + SLAB_CTOR_CONSTRUCTOR) + spin_lock_init(&sighand->siglock); +} + void __init proc_caches_init(void) { sighand_cachep = kmem_cache_create("sighand_cache", sizeof(struct sighand_struct), 0, - SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL, NULL); + SLAB_HWCACHE_ALIGN|SLAB_PANIC|SLAB_DESTROY_BY_RCU, + sighand_ctor, NULL); signal_cachep = kmem_cache_create("signal_cache", sizeof(struct signal_struct), 0, SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL, NULL); diff --git a/kernel/kmod.c b/kernel/kmod.c index 51a892063aa..20a997c73c3 100644 --- a/kernel/kmod.c +++ b/kernel/kmod.c @@ -170,7 +170,7 @@ static int wait_for_helper(void *data) sa.sa.sa_handler = SIG_IGN; sa.sa.sa_flags = 0; siginitset(&sa.sa.sa_mask, sigmask(SIGCHLD)); - do_sigaction(SIGCHLD, &sa, (struct k_sigaction *)0); + do_sigaction(SIGCHLD, &sa, NULL); allow_signal(SIGCHLD); pid = kernel_thread(____call_usermodehelper, sub_info, SIGCHLD); diff --git a/kernel/pid.c b/kernel/pid.c index 1acc0724699..a9f2dfd006d 100644 --- a/kernel/pid.c +++ b/kernel/pid.c @@ -218,36 +218,6 @@ task_t *find_task_by_pid_type(int type, int nr) EXPORT_SYMBOL(find_task_by_pid_type); /* - * This function switches the PIDs if a non-leader thread calls - * sys_execve() - this must be done without releasing the PID. - * (which a detach_pid() would eventually do.) - */ -void switch_exec_pids(task_t *leader, task_t *thread) -{ - __detach_pid(leader, PIDTYPE_PID); - __detach_pid(leader, PIDTYPE_TGID); - __detach_pid(leader, PIDTYPE_PGID); - __detach_pid(leader, PIDTYPE_SID); - - __detach_pid(thread, PIDTYPE_PID); - __detach_pid(thread, PIDTYPE_TGID); - - leader->pid = leader->tgid = thread->pid; - thread->pid = thread->tgid; - - attach_pid(thread, PIDTYPE_PID, thread->pid); - attach_pid(thread, PIDTYPE_TGID, thread->tgid); - attach_pid(thread, PIDTYPE_PGID, thread->signal->pgrp); - attach_pid(thread, PIDTYPE_SID, thread->signal->session); - list_add_tail(&thread->tasks, &init_task.tasks); - - attach_pid(leader, PIDTYPE_PID, leader->pid); - attach_pid(leader, PIDTYPE_TGID, leader->tgid); - attach_pid(leader, PIDTYPE_PGID, leader->signal->pgrp); - attach_pid(leader, PIDTYPE_SID, leader->signal->session); -} - -/* * The pid hash table is scaled according to the amount of memory in the * machine. From a minimum of 16 slots up to 4096 slots at one gigabyte or * more. @@ -277,16 +247,8 @@ void __init pidhash_init(void) void __init pidmap_init(void) { - int i; - pidmap_array->page = (void *)get_zeroed_page(GFP_KERNEL); + /* Reserve PID 0. We never call free_pidmap(0) */ set_bit(0, pidmap_array->page); atomic_dec(&pidmap_array->nr_free); - - /* - * Allocate PID 0, and hash it via all PID types: - */ - - for (i = 0; i < PIDTYPE_MAX; i++) - attach_pid(current, i, 0); } diff --git a/kernel/ptrace.c b/kernel/ptrace.c index d95a72c9279..86a7f6c60cb 100644 --- a/kernel/ptrace.c +++ b/kernel/ptrace.c @@ -35,9 +35,9 @@ void __ptrace_link(task_t *child, task_t *new_parent) if (child->parent == new_parent) return; list_add(&child->ptrace_list, &child->parent->ptrace_children); - REMOVE_LINKS(child); + remove_parent(child); child->parent = new_parent; - SET_LINKS(child); + add_parent(child); } /* @@ -77,9 +77,9 @@ void __ptrace_unlink(task_t *child) child->ptrace = 0; if (!list_empty(&child->ptrace_list)) { list_del_init(&child->ptrace_list); - REMOVE_LINKS(child); + remove_parent(child); child->parent = child->real_parent; - SET_LINKS(child); + add_parent(child); } ptrace_untrace(child); diff --git a/kernel/signal.c b/kernel/signal.c index 75f7341b0c3..4922928d91f 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -22,7 +22,6 @@ #include <linux/security.h> #include <linux/syscalls.h> #include <linux/ptrace.h> -#include <linux/posix-timers.h> #include <linux/signal.h> #include <linux/audit.h> #include <linux/capability.h> @@ -147,6 +146,8 @@ static kmem_cache_t *sigqueue_cachep; #define sig_kernel_stop(sig) \ (((sig) < SIGRTMIN) && T(sig, SIG_KERNEL_STOP_MASK)) +#define sig_needs_tasklist(sig) ((sig) == SIGCONT) + #define sig_user_defined(t, signr) \ (((t)->sighand->action[(signr)-1].sa.sa_handler != SIG_DFL) && \ ((t)->sighand->action[(signr)-1].sa.sa_handler != SIG_IGN)) @@ -292,7 +293,7 @@ static void __sigqueue_free(struct sigqueue *q) kmem_cache_free(sigqueue_cachep, q); } -static void flush_sigqueue(struct sigpending *queue) +void flush_sigqueue(struct sigpending *queue) { struct sigqueue *q; @@ -307,9 +308,7 @@ static void flush_sigqueue(struct sigpending *queue) /* * Flush all pending signals for a task. */ - -void -flush_signals(struct task_struct *t) +void flush_signals(struct task_struct *t) { unsigned long flags; @@ -321,109 +320,6 @@ flush_signals(struct task_struct *t) } /* - * This function expects the tasklist_lock write-locked. - */ -void __exit_sighand(struct task_struct *tsk) -{ - struct sighand_struct * sighand = tsk->sighand; - - /* Ok, we're done with the signal handlers */ - tsk->sighand = NULL; - if (atomic_dec_and_test(&sighand->count)) - sighand_free(sighand); -} - -void exit_sighand(struct task_struct *tsk) -{ - write_lock_irq(&tasklist_lock); - rcu_read_lock(); - if (tsk->sighand != NULL) { - struct sighand_struct *sighand = rcu_dereference(tsk->sighand); - spin_lock(&sighand->siglock); - __exit_sighand(tsk); - spin_unlock(&sighand->siglock); - } - rcu_read_unlock(); - write_unlock_irq(&tasklist_lock); -} - -/* - * This function expects the tasklist_lock write-locked. - */ -void __exit_signal(struct task_struct *tsk) -{ - struct signal_struct * sig = tsk->signal; - struct sighand_struct * sighand; - - if (!sig) - BUG(); - if (!atomic_read(&sig->count)) - BUG(); - rcu_read_lock(); - sighand = rcu_dereference(tsk->sighand); - spin_lock(&sighand->siglock); - posix_cpu_timers_exit(tsk); - if (atomic_dec_and_test(&sig->count)) { - posix_cpu_timers_exit_group(tsk); - tsk->signal = NULL; - __exit_sighand(tsk); - spin_unlock(&sighand->siglock); - flush_sigqueue(&sig->shared_pending); - } else { - /* - * If there is any task waiting for the group exit - * then notify it: - */ - if (sig->group_exit_task && atomic_read(&sig->count) == sig->notify_count) { - wake_up_process(sig->group_exit_task); - sig->group_exit_task = NULL; - } - if (tsk == sig->curr_target) - sig->curr_target = next_thread(tsk); - tsk->signal = NULL; - /* - * Accumulate here the counters for all threads but the - * group leader as they die, so they can be added into - * the process-wide totals when those are taken. - * The group leader stays around as a zombie as long - * as there are other threads. When it gets reaped, - * the exit.c code will add its counts into these totals. - * We won't ever get here for the group leader, since it - * will have been the last reference on the signal_struct. - */ - sig->utime = cputime_add(sig->utime, tsk->utime); - sig->stime = cputime_add(sig->stime, tsk->stime); - sig->min_flt += tsk->min_flt; - sig->maj_flt += tsk->maj_flt; - sig->nvcsw += tsk->nvcsw; - sig->nivcsw += tsk->nivcsw; - sig->sched_time += tsk->sched_time; - __exit_sighand(tsk); - spin_unlock(&sighand->siglock); - sig = NULL; /* Marker for below. */ - } - rcu_read_unlock(); - clear_tsk_thread_flag(tsk,TIF_SIGPENDING); - flush_sigqueue(&tsk->pending); - if (sig) { - /* - * We are cleaning up the signal_struct here. - */ - exit_thread_group_keys(sig); - kmem_cache_free(signal_cachep, sig); - } -} - -void exit_signal(struct task_struct *tsk) -{ - atomic_dec(&tsk->signal->live); - - write_lock_irq(&tasklist_lock); - __exit_signal(tsk); - write_unlock_irq(&tasklist_lock); -} - -/* * Flush all handlers for a task. */ @@ -695,9 +591,7 @@ static int check_kill_permission(int sig, struct siginfo *info, } /* forward decl */ -static void do_notify_parent_cldstop(struct task_struct *tsk, - int to_self, - int why); +static void do_notify_parent_cldstop(struct task_struct *tsk, int why); /* * Handle magic process-wide effects of stop/continue signals. @@ -747,7 +641,7 @@ static void handle_stop_signal(int sig, struct task_struct *p) p->signal->group_stop_count = 0; p->signal->flags = SIGNAL_STOP_CONTINUED; spin_unlock(&p->sighand->siglock); - do_notify_parent_cldstop(p, (p->ptrace & PT_PTRACED), CLD_STOPPED); + do_notify_parent_cldstop(p, CLD_STOPPED); spin_lock(&p->sighand->siglock); } rm_from_queue(SIG_KERNEL_STOP_MASK, &p->signal->shared_pending); @@ -788,7 +682,7 @@ static void handle_stop_signal(int sig, struct task_struct *p) p->signal->flags = SIGNAL_STOP_CONTINUED; p->signal->group_exit_code = 0; spin_unlock(&p->sighand->siglock); - do_notify_parent_cldstop(p, (p->ptrace & PT_PTRACED), CLD_CONTINUED); + do_notify_parent_cldstop(p, CLD_CONTINUED); spin_lock(&p->sighand->siglock); } else { /* @@ -1120,27 +1014,37 @@ void zap_other_threads(struct task_struct *p) /* * Must be called under rcu_read_lock() or with tasklist_lock read-held. */ +struct sighand_struct *lock_task_sighand(struct task_struct *tsk, unsigned long *flags) +{ + struct sighand_struct *sighand; + + for (;;) { + sighand = rcu_dereference(tsk->sighand); + if (unlikely(sighand == NULL)) + break; + + spin_lock_irqsave(&sighand->siglock, *flags); + if (likely(sighand == tsk->sighand)) + break; + spin_unlock_irqrestore(&sighand->siglock, *flags); + } + + return sighand; +} + int group_send_sig_info(int sig, struct siginfo *info, struct task_struct *p) { unsigned long flags; - struct sighand_struct *sp; int ret; -retry: ret = check_kill_permission(sig, info, p); - if (!ret && sig && (sp = rcu_dereference(p->sighand))) { - spin_lock_irqsave(&sp->siglock, flags); - if (p->sighand != sp) { - spin_unlock_irqrestore(&sp->siglock, flags); - goto retry; - } - if ((atomic_read(&sp->count) == 0) || - (atomic_read(&p->usage) == 0)) { - spin_unlock_irqrestore(&sp->siglock, flags); - return -ESRCH; + + if (!ret && sig) { + ret = -ESRCH; + if (lock_task_sighand(p, &flags)) { + ret = __group_send_sig_info(sig, info, p); + unlock_task_sighand(p, &flags); } - ret = __group_send_sig_info(sig, info, p); - spin_unlock_irqrestore(&sp->siglock, flags); } return ret; @@ -1189,7 +1093,7 @@ kill_proc_info(int sig, struct siginfo *info, pid_t pid) struct task_struct *p; rcu_read_lock(); - if (unlikely(sig_kernel_stop(sig) || sig == SIGCONT)) { + if (unlikely(sig_needs_tasklist(sig))) { read_lock(&tasklist_lock); acquired_tasklist_lock = 1; } @@ -1405,12 +1309,10 @@ void sigqueue_free(struct sigqueue *q) __sigqueue_free(q); } -int -send_sigqueue(int sig, struct sigqueue *q, struct task_struct *p) +int send_sigqueue(int sig, struct sigqueue *q, struct task_struct *p) { unsigned long flags; int ret = 0; - struct sighand_struct *sh; BUG_ON(!(q->flags & SIGQUEUE_PREALLOC)); @@ -1424,48 +1326,17 @@ send_sigqueue(int sig, struct sigqueue *q, struct task_struct *p) */ rcu_read_lock(); - if (unlikely(p->flags & PF_EXITING)) { + if (!likely(lock_task_sighand(p, &flags))) { ret = -1; goto out_err; } -retry: - sh = rcu_dereference(p->sighand); - - spin_lock_irqsave(&sh->siglock, flags); - if (p->sighand != sh) { - /* We raced with exec() in a multithreaded process... */ - spin_unlock_irqrestore(&sh->siglock, flags); - goto retry; - } - - /* - * We do the check here again to handle the following scenario: - * - * CPU 0 CPU 1 - * send_sigqueue - * check PF_EXITING - * interrupt exit code running - * __exit_signal - * lock sighand->siglock - * unlock sighand->siglock - * lock sh->siglock - * add(tsk->pending) flush_sigqueue(tsk->pending) - * - */ - - if (unlikely(p->flags & PF_EXITING)) { - ret = -1; - goto out; - } - if (unlikely(!list_empty(&q->list))) { /* * If an SI_TIMER entry is already queue just increment * the overrun count. */ - if (q->info.si_code != SI_TIMER) - BUG(); + BUG_ON(q->info.si_code != SI_TIMER); q->info.si_overrun++; goto out; } @@ -1481,7 +1352,7 @@ retry: signal_wake_up(p, sig == SIGKILL); out: - spin_unlock_irqrestore(&sh->siglock, flags); + unlock_task_sighand(p, &flags); out_err: rcu_read_unlock(); @@ -1613,14 +1484,14 @@ void do_notify_parent(struct task_struct *tsk, int sig) spin_unlock_irqrestore(&psig->siglock, flags); } -static void do_notify_parent_cldstop(struct task_struct *tsk, int to_self, int why) +static void do_notify_parent_cldstop(struct task_struct *tsk, int why) { struct siginfo info; unsigned long flags; struct task_struct *parent; struct sighand_struct *sighand; - if (to_self) + if (tsk->ptrace & PT_PTRACED) parent = tsk->parent; else { tsk = tsk->group_leader; @@ -1695,7 +1566,7 @@ static void ptrace_stop(int exit_code, int nostop_code, siginfo_t *info) !(current->ptrace & PT_ATTACHED)) && (likely(current->parent->signal != current->signal) || !unlikely(current->signal->flags & SIGNAL_GROUP_EXIT))) { - do_notify_parent_cldstop(current, 1, CLD_TRAPPED); + do_notify_parent_cldstop(current, CLD_TRAPPED); read_unlock(&tasklist_lock); schedule(); } else { @@ -1744,25 +1615,17 @@ void ptrace_notify(int exit_code) static void finish_stop(int stop_count) { - int to_self; - /* * If there are no other threads in the group, or if there is * a group stop in progress and we are the last to stop, * report to the parent. When ptraced, every thread reports itself. */ - if (stop_count < 0 || (current->ptrace & PT_PTRACED)) - to_self = 1; - else if (stop_count == 0) - to_self = 0; - else - goto out; - - read_lock(&tasklist_lock); - do_notify_parent_cldstop(current, to_self, CLD_STOPPED); - read_unlock(&tasklist_lock); + if (stop_count == 0 || (current->ptrace & PT_PTRACED)) { + read_lock(&tasklist_lock); + do_notify_parent_cldstop(current, CLD_STOPPED); + read_unlock(&tasklist_lock); + } -out: schedule(); /* * Now we don't run again until continued. @@ -1776,12 +1639,10 @@ out: * Returns nonzero if we've actually stopped and released the siglock. * Returns zero if we didn't stop and still hold the siglock. */ -static int -do_signal_stop(int signr) +static int do_signal_stop(int signr) { struct signal_struct *sig = current->signal; - struct sighand_struct *sighand = current->sighand; - int stop_count = -1; + int stop_count; if (!likely(sig->flags & SIGNAL_STOP_DEQUEUED)) return 0; @@ -1791,86 +1652,37 @@ do_signal_stop(int signr) * There is a group stop in progress. We don't need to * start another one. */ - signr = sig->group_exit_code; stop_count = --sig->group_stop_count; - current->exit_code = signr; - set_current_state(TASK_STOPPED); - if (stop_count == 0) - sig->flags = SIGNAL_STOP_STOPPED; - spin_unlock_irq(&sighand->siglock); - } - else if (thread_group_empty(current)) { - /* - * Lock must be held through transition to stopped state. - */ - current->exit_code = current->signal->group_exit_code = signr; - set_current_state(TASK_STOPPED); - sig->flags = SIGNAL_STOP_STOPPED; - spin_unlock_irq(&sighand->siglock); - } - else { + } else { /* * There is no group stop already in progress. - * We must initiate one now, but that requires - * dropping siglock to get both the tasklist lock - * and siglock again in the proper order. Note that - * this allows an intervening SIGCONT to be posted. - * We need to check for that and bail out if necessary. + * We must initiate one now. */ struct task_struct *t; - spin_unlock_irq(&sighand->siglock); - - /* signals can be posted during this window */ + sig->group_exit_code = signr; - read_lock(&tasklist_lock); - spin_lock_irq(&sighand->siglock); - - if (!likely(sig->flags & SIGNAL_STOP_DEQUEUED)) { + stop_count = 0; + for (t = next_thread(current); t != current; t = next_thread(t)) /* - * Another stop or continue happened while we - * didn't have the lock. We can just swallow this - * signal now. If we raced with a SIGCONT, that - * should have just cleared it now. If we raced - * with another processor delivering a stop signal, - * then the SIGCONT that wakes us up should clear it. + * Setting state to TASK_STOPPED for a group + * stop is always done with the siglock held, + * so this check has no races. */ - read_unlock(&tasklist_lock); - return 0; - } - - if (sig->group_stop_count == 0) { - sig->group_exit_code = signr; - stop_count = 0; - for (t = next_thread(current); t != current; - t = next_thread(t)) - /* - * Setting state to TASK_STOPPED for a group - * stop is always done with the siglock held, - * so this check has no races. - */ - if (!t->exit_state && - !(t->state & (TASK_STOPPED|TASK_TRACED))) { - stop_count++; - signal_wake_up(t, 0); - } - sig->group_stop_count = stop_count; - } - else { - /* A race with another thread while unlocked. */ - signr = sig->group_exit_code; - stop_count = --sig->group_stop_count; - } - - current->exit_code = signr; - set_current_state(TASK_STOPPED); - if (stop_count == 0) - sig->flags = SIGNAL_STOP_STOPPED; - - spin_unlock_irq(&sighand->siglock); - read_unlock(&tasklist_lock); + if (!t->exit_state && + !(t->state & (TASK_STOPPED|TASK_TRACED))) { + stop_count++; + signal_wake_up(t, 0); + } + sig->group_stop_count = stop_count; } + if (stop_count == 0) + sig->flags = SIGNAL_STOP_STOPPED; + current->exit_code = sig->group_exit_code; + __set_current_state(TASK_STOPPED); + + spin_unlock_irq(¤t->sighand->siglock); finish_stop(stop_count); return 1; } @@ -1990,7 +1802,7 @@ relock: continue; /* Init gets no signals it doesn't want. */ - if (current->pid == 1) + if (current == child_reaper) continue; if (sig_kernel_stop(signr)) { @@ -2430,8 +2242,7 @@ sys_rt_sigqueueinfo(int pid, int sig, siginfo_t __user *uinfo) return kill_proc_info(sig, &info, pid); } -int -do_sigaction(int sig, struct k_sigaction *act, struct k_sigaction *oact) +int do_sigaction(int sig, struct k_sigaction *act, struct k_sigaction *oact) { struct k_sigaction *k; sigset_t mask; @@ -2457,6 +2268,7 @@ do_sigaction(int sig, struct k_sigaction *act, struct k_sigaction *oact) if (act) { sigdelsetmask(&act->sa.sa_mask, sigmask(SIGKILL) | sigmask(SIGSTOP)); + *k = *act; /* * POSIX 3.3.1.3: * "Setting a signal action to SIG_IGN for a signal that is @@ -2469,19 +2281,8 @@ do_sigaction(int sig, struct k_sigaction *act, struct k_sigaction *oact) * be discarded, whether or not it is blocked" */ if (act->sa.sa_handler == SIG_IGN || - (act->sa.sa_handler == SIG_DFL && - sig_kernel_ignore(sig))) { - /* - * This is a fairly rare case, so we only take the - * tasklist_lock once we're sure we'll need it. - * Now we must do this little unlock and relock - * dance to maintain the lock hierarchy. - */ + (act->sa.sa_handler == SIG_DFL && sig_kernel_ignore(sig))) { struct task_struct *t = current; - spin_unlock_irq(&t->sighand->siglock); - read_lock(&tasklist_lock); - spin_lock_irq(&t->sighand->siglock); - *k = *act; sigemptyset(&mask); sigaddset(&mask, sig); rm_from_queue_full(&mask, &t->signal->shared_pending); @@ -2490,12 +2291,7 @@ do_sigaction(int sig, struct k_sigaction *act, struct k_sigaction *oact) recalc_sigpending_tsk(t); t = next_thread(t); } while (t != current); - spin_unlock_irq(¤t->sighand->siglock); - read_unlock(&tasklist_lock); - return 0; } - - *k = *act; } spin_unlock_irq(¤t->sighand->siglock); diff --git a/kernel/sys.c b/kernel/sys.c index c93d37f71ae..7ef7f6054c2 100644 --- a/kernel/sys.c +++ b/kernel/sys.c @@ -1202,69 +1202,24 @@ asmlinkage long sys_times(struct tms __user * tbuf) */ if (tbuf) { struct tms tmp; + struct task_struct *tsk = current; + struct task_struct *t; cputime_t utime, stime, cutime, cstime; -#ifdef CONFIG_SMP - if (thread_group_empty(current)) { - /* - * Single thread case without the use of any locks. - * - * We may race with release_task if two threads are - * executing. However, release task first adds up the - * counters (__exit_signal) before removing the task - * from the process tasklist (__unhash_process). - * __exit_signal also acquires and releases the - * siglock which results in the proper memory ordering - * so that the list modifications are always visible - * after the counters have been updated. - * - * If the counters have been updated by the second thread - * but the thread has not yet been removed from the list - * then the other branch will be executing which will - * block on tasklist_lock until the exit handling of the - * other task is finished. - * - * This also implies that the sighand->siglock cannot - * be held by another processor. So we can also - * skip acquiring that lock. - */ - utime = cputime_add(current->signal->utime, current->utime); - stime = cputime_add(current->signal->utime, current->stime); - cutime = current->signal->cutime; - cstime = current->signal->cstime; - } else -#endif - { + spin_lock_irq(&tsk->sighand->siglock); + utime = tsk->signal->utime; + stime = tsk->signal->stime; + t = tsk; + do { + utime = cputime_add(utime, t->utime); + stime = cputime_add(stime, t->stime); + t = next_thread(t); + } while (t != tsk); - /* Process with multiple threads */ - struct task_struct *tsk = current; - struct task_struct *t; + cutime = tsk->signal->cutime; + cstime = tsk->signal->cstime; + spin_unlock_irq(&tsk->sighand->siglock); - read_lock(&tasklist_lock); - utime = tsk->signal->utime; - stime = tsk->signal->stime; - t = tsk; - do { - utime = cputime_add(utime, t->utime); - stime = cputime_add(stime, t->stime); - t = next_thread(t); - } while (t != tsk); - - /* - * While we have tasklist_lock read-locked, no dying thread - * can be updating current->signal->[us]time. Instead, - * we got their counts included in the live thread loop. - * However, another thread can come in right now and - * do a wait call that updates current->signal->c[us]time. - * To make sure we always see that pair updated atomically, - * we take the siglock around fetching them. - */ - spin_lock_irq(&tsk->sighand->siglock); - cutime = tsk->signal->cutime; - cstime = tsk->signal->cstime; - spin_unlock_irq(&tsk->sighand->siglock); - read_unlock(&tasklist_lock); - } tmp.tms_utime = cputime_to_clock_t(utime); tmp.tms_stime = cputime_to_clock_t(stime); tmp.tms_cutime = cputime_to_clock_t(cutime); diff --git a/sound/oss/dmasound/dmasound_awacs.c b/sound/oss/dmasound/dmasound_awacs.c index 3bbc8105e9f..c8e21032689 100644 --- a/sound/oss/dmasound/dmasound_awacs.c +++ b/sound/oss/dmasound/dmasound_awacs.c @@ -2814,7 +2814,7 @@ int __init dmasound_awacs_init(void) struct device_node *io = NULL, *info = NULL; int vol, res; - if (_machine != _MACH_Pmac) + if (!machine_is(powermac)) return -ENODEV; awacs_subframe = 0; diff --git a/sound/ppc/pmac.c b/sound/ppc/pmac.c index aa57170101f..f0794ef9d1a 100644 --- a/sound/ppc/pmac.c +++ b/sound/ppc/pmac.c @@ -869,7 +869,7 @@ static int __init snd_pmac_detect(struct snd_pmac *chip) u32 layout_id = 0; - if (_machine != _MACH_Pmac) + if (!machine_is(powermac)) return -ENODEV; chip->subframe = 0; |