diff options
Diffstat (limited to 'arch/powerpc')
46 files changed, 969 insertions, 445 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 167e70e9555..6729c98b66f 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -366,6 +366,7 @@ config PPC_PMAC64 select U3_DART select MPIC_BROKEN_U3 select GENERIC_TBSYNC + select PPC_970_NAP default y config PPC_PREP @@ -383,6 +384,7 @@ config PPC_MAPLE select MPIC_BROKEN_U3 select GENERIC_TBSYNC select PPC_UDBG_16550 + select PPC_970_NAP default n help This option enables support for the Maple 970FX Evaluation Board. @@ -457,6 +459,10 @@ config PPC_MPC106 bool default n +config PPC_970_NAP + bool + default n + source "drivers/cpufreq/Kconfig" config CPU_FREQ_PMAC diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile index 6ec84d37a33..ed5b26aa8be 100644 --- a/arch/powerpc/Makefile +++ b/arch/powerpc/Makefile @@ -104,6 +104,10 @@ ifndef CONFIG_FSL_BOOKE CFLAGS += -mstring endif +ifeq ($(CONFIG_6xx),y) +CFLAGS += -mcpu=powerpc +endif + cpu-as-$(CONFIG_PPC64BRIDGE) += -Wa,-mppc64bridge cpu-as-$(CONFIG_4xx) += -Wa,-m405 cpu-as-$(CONFIG_6xx) += -Wa,-maltivec diff --git a/arch/powerpc/configs/cell_defconfig b/arch/powerpc/configs/cell_defconfig index fe22e54ab2b..dbe421dc3c1 100644 --- a/arch/powerpc/configs/cell_defconfig +++ b/arch/powerpc/configs/cell_defconfig @@ -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 @@ -55,6 +56,7 @@ CONFIG_SYSCTL=y CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y # CONFIG_CPUSETS is not set +# CONFIG_RELAY is not set CONFIG_INITRAMFS_SOURCE="" CONFIG_CC_OPTIMIZE_FOR_SIZE=y # CONFIG_EMBEDDED is not set @@ -69,10 +71,6 @@ 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 @@ -84,7 +82,6 @@ CONFIG_BASE_SMALL=0 CONFIG_MODULES=y CONFIG_MODULE_UNLOAD=y # CONFIG_MODULE_FORCE_UNLOAD is not set -CONFIG_OBSOLETE_MODPARM=y # CONFIG_MODVERSIONS is not set # CONFIG_MODULE_SRCVERSION_ALL is not set CONFIG_KMOD=y @@ -93,6 +90,7 @@ CONFIG_STOP_MACHINE=y # # Block layer # +# CONFIG_BLK_DEV_IO_TRACE is not set # # IO Schedulers @@ -126,6 +124,7 @@ CONFIG_RTAS_FLASH=y CONFIG_MMIO_NVRAM=y CONFIG_CELL_IIC=y # CONFIG_PPC_MPC106 is not set +# CONFIG_PPC_970_NAP is not set # CONFIG_CPU_FREQ is not set # CONFIG_WANT_EARLY_SERIAL is not set @@ -167,7 +166,6 @@ CONFIG_HAVE_MEMORY_PRESENT=y 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 @@ -184,7 +182,6 @@ CONFIG_GENERIC_ISA_DMA=y # CONFIG_PPC_INDIRECT_PCI is not set CONFIG_PCI=y CONFIG_PCI_DOMAINS=y -CONFIG_PCI_LEGACY_PROC=y # CONFIG_PCI_DEBUG is not set # @@ -226,6 +223,7 @@ CONFIG_SYN_COOKIES=y # CONFIG_INET_AH is not set # CONFIG_INET_ESP is not set # CONFIG_INET_IPCOMP is not set +# CONFIG_INET_XFRM_TUNNEL is not set CONFIG_INET_TUNNEL=y CONFIG_INET_DIAG=y CONFIG_INET_TCP_DIAG=y @@ -242,6 +240,7 @@ CONFIG_IPV6=y CONFIG_INET6_AH=m CONFIG_INET6_ESP=m CONFIG_INET6_IPCOMP=m +CONFIG_INET6_XFRM_TUNNEL=m CONFIG_INET6_TUNNEL=m CONFIG_IPV6_TUNNEL=m CONFIG_NETFILTER=y @@ -632,6 +631,7 @@ CONFIG_SERIAL_NONSTANDARD=y # CONFIG_SERIAL_8250=y CONFIG_SERIAL_8250_CONSOLE=y +CONFIG_SERIAL_8250_PCI=y CONFIG_SERIAL_8250_NR_UARTS=4 CONFIG_SERIAL_8250_RUNTIME_UARTS=4 # CONFIG_SERIAL_8250_EXTENDED is not set @@ -717,7 +717,6 @@ CONFIG_I2C_ALGOBIT=y # 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 @@ -736,9 +735,7 @@ CONFIG_I2C_ALGOBIT=y # 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_MAX6875 is not set -# CONFIG_RTC_X1205_I2C is not set # CONFIG_I2C_DEBUG_CORE is not set # CONFIG_I2C_DEBUG_ALGO is not set # CONFIG_I2C_DEBUG_BUS is not set @@ -766,10 +763,6 @@ CONFIG_I2C_ALGOBIT=y # # -# Multimedia Capabilities Port drivers -# - -# # Multimedia devices # # CONFIG_VIDEO_DEV is not set @@ -818,6 +811,19 @@ CONFIG_USB_ARCH_HAS_EHCI=y # CONFIG_MMC is not set # +# LED devices +# +# CONFIG_NEW_LEDS is not set + +# +# LED drivers +# + +# +# LED Triggers +# + +# # InfiniBand support # CONFIG_INFINIBAND=y @@ -834,6 +840,11 @@ CONFIG_INFINIBAND_IPOIB_DEBUG_DATA=y # # +# Real Time Clock +# +# CONFIG_RTC_CLASS is not set + +# # File systems # CONFIG_EXT2_FS=y @@ -889,7 +900,6 @@ CONFIG_TMPFS=y CONFIG_HUGETLBFS=y CONFIG_HUGETLB_PAGE=y CONFIG_RAMFS=y -# CONFIG_RELAYFS_FS is not set # CONFIG_CONFIGFS_FS is not set # diff --git a/arch/powerpc/configs/g5_defconfig b/arch/powerpc/configs/g5_defconfig index 2c3fd200767..a45627547d0 100644 --- a/arch/powerpc/configs/g5_defconfig +++ b/arch/powerpc/configs/g5_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.16-rc2 -# Fri Feb 10 17:33:08 2006 +# Linux kernel version: 2.6.17-rc1 +# Wed Apr 19 13:24:37 2006 # CONFIG_PPC64=y CONFIG_64BIT=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 @@ -29,6 +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 @@ -53,6 +55,7 @@ CONFIG_SYSCTL=y CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y # CONFIG_CPUSETS is not set +# CONFIG_RELAY is not set CONFIG_INITRAMFS_SOURCE="" CONFIG_CC_OPTIMIZE_FOR_SIZE=y # CONFIG_EMBEDDED is not set @@ -67,10 +70,6 @@ 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 @@ -82,7 +81,6 @@ CONFIG_BASE_SMALL=0 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 @@ -91,6 +89,7 @@ CONFIG_STOP_MACHINE=y # # Block layer # +# CONFIG_BLK_DEV_IO_TRACE is not set # # IO Schedulers @@ -185,7 +184,6 @@ CONFIG_GENERIC_ISA_DMA=y # CONFIG_PPC_INDIRECT_PCI is not set CONFIG_PCI=y CONFIG_PCI_DOMAINS=y -CONFIG_PCI_LEGACY_PROC=y # CONFIG_PCI_DEBUG is not set # @@ -227,6 +225,7 @@ CONFIG_SYN_COOKIES=y CONFIG_INET_AH=m CONFIG_INET_ESP=m CONFIG_INET_IPCOMP=m +CONFIG_INET_XFRM_TUNNEL=m CONFIG_INET_TUNNEL=y CONFIG_INET_DIAG=y CONFIG_INET_TCP_DIAG=y @@ -238,6 +237,8 @@ CONFIG_TCP_CONG_BIC=y # # CONFIG_IP_VS is not set # CONFIG_IPV6 is not set +# CONFIG_INET6_XFRM_TUNNEL is not set +# CONFIG_INET6_TUNNEL is not set CONFIG_NETFILTER=y # CONFIG_NETFILTER_DEBUG is not set @@ -261,6 +262,7 @@ 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 # @@ -513,6 +515,7 @@ CONFIG_MD_RAID0=y CONFIG_MD_RAID1=y CONFIG_MD_RAID10=m CONFIG_MD_RAID5=y +# CONFIG_MD_RAID5_RESHAPE is not set CONFIG_MD_RAID6=m CONFIG_MD_MULTIPATH=m CONFIG_MD_FAULTY=m @@ -761,7 +764,6 @@ CONFIG_LEGACY_PTY_COUNT=256 # Watchdog Cards # # CONFIG_WATCHDOG is not set -# CONFIG_RTC is not set CONFIG_GEN_RTC=y # CONFIG_GEN_RTC_X is not set # CONFIG_DTLK is not set @@ -772,6 +774,7 @@ CONFIG_GEN_RTC=y # Ftape, the floppy tape device driver # CONFIG_AGP=m +# CONFIG_AGP_VIA is not set CONFIG_AGP_UNINORTH=m # CONFIG_DRM is not set CONFIG_RAW_DRIVER=y @@ -813,7 +816,6 @@ CONFIG_I2C_POWERMAC=y # 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 @@ -832,9 +834,7 @@ CONFIG_I2C_POWERMAC=y # 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_MAX6875 is not set -# CONFIG_RTC_X1205_I2C is not set # CONFIG_I2C_DEBUG_CORE is not set # CONFIG_I2C_DEBUG_ALGO is not set # CONFIG_I2C_DEBUG_BUS is not set @@ -862,10 +862,6 @@ CONFIG_I2C_POWERMAC=y # # -# Multimedia Capabilities Port drivers -# - -# # Multimedia devices # # CONFIG_VIDEO_DEV is not set @@ -874,6 +870,7 @@ CONFIG_I2C_POWERMAC=y # Digital Video Broadcasting Devices # # CONFIG_DVB is not set +# CONFIG_USB_DABUSB is not set # # Graphics support @@ -883,6 +880,7 @@ CONFIG_FB_CFB_FILLRECT=y CONFIG_FB_CFB_COPYAREA=y CONFIG_FB_CFB_IMAGEBLIT=y CONFIG_FB_MACMODES=y +CONFIG_FB_FIRMWARE_EDID=y CONFIG_FB_MODE_HELPERS=y CONFIG_FB_TILEBLITTING=y # CONFIG_FB_CIRRUS is not set @@ -901,7 +899,6 @@ CONFIG_FB_NVIDIA=y CONFIG_FB_NVIDIA_I2C=y # CONFIG_FB_RIVA is not set # CONFIG_FB_MATROX is not set -# CONFIG_FB_RADEON_OLD is not set CONFIG_FB_RADEON=y CONFIG_FB_RADEON_I2C=y # CONFIG_FB_RADEON_DEBUG is not set @@ -958,9 +955,11 @@ CONFIG_SND_SEQUENCER=m CONFIG_SND_OSSEMUL=y CONFIG_SND_MIXER_OSS=m CONFIG_SND_PCM_OSS=m +CONFIG_SND_PCM_OSS_PLUGINS=y CONFIG_SND_SEQUENCER_OSS=y # CONFIG_SND_DYNAMIC_MINORS is not set CONFIG_SND_SUPPORT_OLD_API=y +CONFIG_SND_VERBOSE_PROCFS=y # CONFIG_SND_VERBOSE_PRINTK is not set # CONFIG_SND_DEBUG is not set @@ -977,6 +976,7 @@ CONFIG_SND_SUPPORT_OLD_API=y # PCI devices # # CONFIG_SND_AD1889 is not set +# CONFIG_SND_ALS300 is not set # CONFIG_SND_ALS4000 is not set # CONFIG_SND_ALI5451 is not set # CONFIG_SND_ATIIXP is not set @@ -1009,6 +1009,7 @@ CONFIG_SND_SUPPORT_OLD_API=y # CONFIG_SND_MIXART is not set # CONFIG_SND_NM256 is not set # CONFIG_SND_PCXHR is not set +# CONFIG_SND_RIPTIDE is not set # CONFIG_SND_RME32 is not set # CONFIG_SND_RME96 is not set # CONFIG_SND_RME9652 is not set @@ -1041,6 +1042,7 @@ CONFIG_SND_USB_AUDIO=m # CONFIG_USB_ARCH_HAS_HCD=y CONFIG_USB_ARCH_HAS_OHCI=y +CONFIG_USB_ARCH_HAS_EHCI=y CONFIG_USB=y # CONFIG_USB_DEBUG is not set @@ -1068,7 +1070,6 @@ CONFIG_USB_OHCI_LITTLE_ENDIAN=y # # USB Device Class drivers # -# CONFIG_OBSOLETE_OSS_USB_DRIVER is not set CONFIG_USB_ACM=m CONFIG_USB_PRINTER=y @@ -1126,15 +1127,6 @@ CONFIG_USB_HIDDEV=y # 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=m @@ -1194,6 +1186,7 @@ CONFIG_USB_SERIAL_KEYSPAN_USA49WLC=y CONFIG_USB_SERIAL_KLSI=m CONFIG_USB_SERIAL_KOBIL_SCT=m CONFIG_USB_SERIAL_MCT_U232=m +# CONFIG_USB_SERIAL_NAVMAN is not set CONFIG_USB_SERIAL_PL2303=m # CONFIG_USB_SERIAL_HP4X is not set CONFIG_USB_SERIAL_SAFE=m @@ -1237,17 +1230,23 @@ CONFIG_USB_EZUSB=y # CONFIG_MMC is not set # +# LED devices +# +# CONFIG_NEW_LEDS is not set + +# # InfiniBand support # # CONFIG_INFINIBAND is not set # -# SN Devices +# EDAC - error detection and reporting (RAS) (EXPERIMENTAL) # # -# EDAC - error detection and reporting (RAS) +# Real Time Clock # +# CONFIG_RTC_CLASS is not set # # File systems @@ -1319,7 +1318,6 @@ CONFIG_TMPFS=y CONFIG_HUGETLBFS=y CONFIG_HUGETLB_PAGE=y CONFIG_RAMFS=y -# CONFIG_RELAYFS_FS is not set # CONFIG_CONFIGFS_FS is not set # diff --git a/arch/powerpc/configs/iseries_defconfig b/arch/powerpc/configs/iseries_defconfig index 1816a46742f..a95e455a194 100644 --- a/arch/powerpc/configs/iseries_defconfig +++ b/arch/powerpc/configs/iseries_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.16-rc6 -# Wed Mar 15 16:19:52 2006 +# Linux kernel version: 2.6.17-rc1 +# Wed Apr 19 11:46:44 2006 # CONFIG_PPC64=y CONFIG_64BIT=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 @@ -30,6 +31,7 @@ CONFIG_POWER4=y CONFIG_PPC_FPU=y # CONFIG_ALTIVEC is not set CONFIG_PPC_STD_MMU=y +CONFIG_VIRT_CPU_ACCOUNTING=y CONFIG_SMP=y CONFIG_NR_CPUS=32 @@ -55,6 +57,7 @@ CONFIG_AUDITSYSCALL=y CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y # CONFIG_CPUSETS is not set +# CONFIG_RELAY is not set CONFIG_INITRAMFS_SOURCE="" CONFIG_CC_OPTIMIZE_FOR_SIZE=y # CONFIG_EMBEDDED is not set @@ -69,10 +72,6 @@ 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 @@ -84,7 +83,6 @@ CONFIG_BASE_SMALL=0 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 @@ -93,6 +91,7 @@ CONFIG_STOP_MACHINE=y # # Block layer # +# CONFIG_BLK_DEV_IO_TRACE is not set # # IO Schedulers @@ -165,7 +164,6 @@ CONFIG_GENERIC_ISA_DMA=y # CONFIG_PPC_INDIRECT_PCI is not set CONFIG_PCI=y CONFIG_PCI_DOMAINS=y -CONFIG_PCI_LEGACY_PROC=y # CONFIG_PCI_DEBUG is not set # @@ -207,6 +205,7 @@ CONFIG_SYN_COOKIES=y CONFIG_INET_AH=m CONFIG_INET_ESP=m CONFIG_INET_IPCOMP=m +CONFIG_INET_XFRM_TUNNEL=m CONFIG_INET_TUNNEL=y CONFIG_INET_DIAG=y CONFIG_INET_TCP_DIAG=y @@ -218,6 +217,8 @@ CONFIG_TCP_CONG_BIC=y # # CONFIG_IP_VS is not set # CONFIG_IPV6 is not set +# CONFIG_INET6_XFRM_TUNNEL is not set +# CONFIG_INET6_TUNNEL is not set CONFIG_NETFILTER=y # CONFIG_NETFILTER_DEBUG is not set @@ -236,11 +237,14 @@ CONFIG_NETFILTER_XT_MATCH_CONNBYTES=m CONFIG_NETFILTER_XT_MATCH_CONNMARK=m CONFIG_NETFILTER_XT_MATCH_CONNTRACK=m # CONFIG_NETFILTER_XT_MATCH_DCCP is not set +# CONFIG_NETFILTER_XT_MATCH_ESP 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_POLICY is not set +# CONFIG_NETFILTER_XT_MATCH_MULTIPORT is not set CONFIG_NETFILTER_XT_MATCH_PKTTYPE=m CONFIG_NETFILTER_XT_MATCH_REALM=m CONFIG_NETFILTER_XT_MATCH_SCTP=m @@ -262,20 +266,19 @@ 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_AH is not set 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 @@ -479,6 +482,7 @@ CONFIG_MD_RAID0=y CONFIG_MD_RAID1=y CONFIG_MD_RAID10=m CONFIG_MD_RAID5=y +# CONFIG_MD_RAID5_RESHAPE is not set CONFIG_MD_RAID6=m CONFIG_MD_MULTIPATH=m CONFIG_MD_FAULTY=m @@ -702,7 +706,6 @@ CONFIG_LEGACY_PTY_COUNT=256 # Watchdog Cards # # CONFIG_WATCHDOG is not set -# CONFIG_RTC is not set CONFIG_GEN_RTC=y # CONFIG_GEN_RTC_X is not set # CONFIG_DTLK is not set @@ -751,10 +754,6 @@ CONFIG_MAX_RAW_DEVS=256 # # -# Multimedia Capabilities Port drivers -# - -# # Multimedia devices # # CONFIG_VIDEO_DEV is not set @@ -779,6 +778,7 @@ CONFIG_MAX_RAW_DEVS=256 # CONFIG_USB_ARCH_HAS_HCD=y CONFIG_USB_ARCH_HAS_OHCI=y +CONFIG_USB_ARCH_HAS_EHCI=y # CONFIG_USB is not set # @@ -796,6 +796,11 @@ CONFIG_USB_ARCH_HAS_OHCI=y # CONFIG_MMC is not set # +# LED devices +# +# CONFIG_NEW_LEDS is not set + +# # InfiniBand support # # CONFIG_INFINIBAND is not set @@ -805,6 +810,11 @@ CONFIG_USB_ARCH_HAS_OHCI=y # # +# Real Time Clock +# +# CONFIG_RTC_CLASS is not set + +# # File systems # CONFIG_EXT2_FS=y @@ -878,7 +888,6 @@ CONFIG_TMPFS=y # CONFIG_HUGETLBFS is not set # CONFIG_HUGETLB_PAGE is not set CONFIG_RAMFS=y -# CONFIG_RELAYFS_FS is not set # CONFIG_CONFIGFS_FS is not set # diff --git a/arch/powerpc/configs/pseries_defconfig b/arch/powerpc/configs/pseries_defconfig index daaf038a1fa..58e68ce09b0 100644 --- a/arch/powerpc/configs/pseries_defconfig +++ b/arch/powerpc/configs/pseries_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.16-rc2 -# Fri Feb 10 17:33:32 2006 +# Linux kernel version: 2.6.17-rc1 +# Wed Apr 19 11:48:00 2006 # CONFIG_PPC64=y CONFIG_64BIT=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 @@ -30,6 +31,7 @@ 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=128 @@ -55,6 +57,7 @@ CONFIG_AUDITSYSCALL=y CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y CONFIG_CPUSETS=y +# CONFIG_RELAY is not set CONFIG_INITRAMFS_SOURCE="" CONFIG_CC_OPTIMIZE_FOR_SIZE=y # CONFIG_EMBEDDED is not set @@ -69,10 +72,6 @@ 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 @@ -84,7 +83,6 @@ CONFIG_BASE_SMALL=0 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 @@ -93,6 +91,7 @@ CONFIG_STOP_MACHINE=y # # Block layer # +# CONFIG_BLK_DEV_IO_TRACE is not set # # IO Schedulers @@ -188,7 +187,6 @@ CONFIG_PPC_I8259=y # CONFIG_PPC_INDIRECT_PCI is not set CONFIG_PCI=y CONFIG_PCI_DOMAINS=y -CONFIG_PCI_LEGACY_PROC=y # CONFIG_PCI_DEBUG is not set # @@ -235,6 +233,7 @@ CONFIG_SYN_COOKIES=y CONFIG_INET_AH=m CONFIG_INET_ESP=m CONFIG_INET_IPCOMP=m +CONFIG_INET_XFRM_TUNNEL=m CONFIG_INET_TUNNEL=y CONFIG_INET_DIAG=y CONFIG_INET_TCP_DIAG=y @@ -246,6 +245,8 @@ CONFIG_TCP_CONG_BIC=y # # CONFIG_IP_VS is not set # CONFIG_IPV6 is not set +# CONFIG_INET6_XFRM_TUNNEL is not set +# CONFIG_INET6_TUNNEL is not set CONFIG_NETFILTER=y # CONFIG_NETFILTER_DEBUG is not set @@ -272,6 +273,7 @@ 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 # @@ -519,6 +521,7 @@ CONFIG_MD_RAID0=y CONFIG_MD_RAID1=y CONFIG_MD_RAID10=m CONFIG_MD_RAID5=y +# CONFIG_MD_RAID5_RESHAPE is not set CONFIG_MD_RAID6=m CONFIG_MD_MULTIPATH=m CONFIG_MD_FAULTY=m @@ -750,6 +753,7 @@ CONFIG_HW_CONSOLE=y # CONFIG_SERIAL_8250=y CONFIG_SERIAL_8250_CONSOLE=y +CONFIG_SERIAL_8250_PCI=y CONFIG_SERIAL_8250_NR_UARTS=4 CONFIG_SERIAL_8250_RUNTIME_UARTS=4 # CONFIG_SERIAL_8250_EXTENDED is not set @@ -767,7 +771,9 @@ CONFIG_LEGACY_PTY_COUNT=256 # CONFIG_PRINTER is not set # CONFIG_PPDEV is not set # CONFIG_TIPAR is not set +CONFIG_HVC_DRIVER=y CONFIG_HVC_CONSOLE=y +# CONFIG_HVC_RTAS is not set CONFIG_HVCS=m # @@ -779,7 +785,6 @@ CONFIG_HVCS=m # Watchdog Cards # # CONFIG_WATCHDOG is not set -# CONFIG_RTC is not set CONFIG_GEN_RTC=y # CONFIG_GEN_RTC_X is not set # CONFIG_DTLK is not set @@ -830,7 +835,6 @@ CONFIG_I2C_ALGOBIT=y # 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 @@ -849,9 +853,7 @@ CONFIG_I2C_ALGOBIT=y # 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_MAX6875 is not set -# CONFIG_RTC_X1205_I2C is not set # CONFIG_I2C_DEBUG_CORE is not set # CONFIG_I2C_DEBUG_ALGO is not set # CONFIG_I2C_DEBUG_BUS is not set @@ -879,10 +881,6 @@ CONFIG_I2C_ALGOBIT=y # # -# Multimedia Capabilities Port drivers -# - -# # Multimedia devices # # CONFIG_VIDEO_DEV is not set @@ -891,6 +889,7 @@ CONFIG_I2C_ALGOBIT=y # Digital Video Broadcasting Devices # # CONFIG_DVB is not set +# CONFIG_USB_DABUSB is not set # # Graphics support @@ -900,6 +899,7 @@ CONFIG_FB_CFB_FILLRECT=y CONFIG_FB_CFB_COPYAREA=y CONFIG_FB_CFB_IMAGEBLIT=y CONFIG_FB_MACMODES=y +CONFIG_FB_FIRMWARE_EDID=y CONFIG_FB_MODE_HELPERS=y CONFIG_FB_TILEBLITTING=y # CONFIG_FB_CIRRUS is not set @@ -919,7 +919,6 @@ CONFIG_FB_MATROX_MYSTIQUE=y CONFIG_FB_MATROX_G=y # CONFIG_FB_MATROX_I2C is not set CONFIG_FB_MATROX_MULTIHEAD=y -# CONFIG_FB_RADEON_OLD is not set CONFIG_FB_RADEON=y CONFIG_FB_RADEON_I2C=y # CONFIG_FB_RADEON_DEBUG is not set @@ -968,6 +967,7 @@ CONFIG_LCD_DEVICE=y # CONFIG_USB_ARCH_HAS_HCD=y CONFIG_USB_ARCH_HAS_OHCI=y +CONFIG_USB_ARCH_HAS_EHCI=y CONFIG_USB=y # CONFIG_USB_DEBUG is not set @@ -1048,15 +1048,6 @@ CONFIG_USB_HIDDEV=y # 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 @@ -1109,6 +1100,11 @@ CONFIG_USB_MON=y # CONFIG_MMC is not set # +# LED devices +# +# CONFIG_NEW_LEDS is not set + +# # InfiniBand support # CONFIG_INFINIBAND=m @@ -1121,12 +1117,13 @@ CONFIG_INFINIBAND_IPOIB=m # CONFIG_INFINIBAND_SRP is not set # -# SN Devices +# EDAC - error detection and reporting (RAS) (EXPERIMENTAL) # # -# EDAC - error detection and reporting (RAS) +# Real Time Clock # +# CONFIG_RTC_CLASS is not set # # File systems @@ -1202,7 +1199,6 @@ CONFIG_TMPFS=y CONFIG_HUGETLBFS=y CONFIG_HUGETLB_PAGE=y CONFIG_RAMFS=y -# CONFIG_RELAYFS_FS is not set # CONFIG_CONFIGFS_FS is not set # diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile index 0cc0995b81b..803858e8616 100644 --- a/arch/powerpc/kernel/Makefile +++ b/arch/powerpc/kernel/Makefile @@ -20,7 +20,7 @@ obj-$(CONFIG_PPC64) += setup_64.o binfmt_elf32.o sys_ppc32.o \ firmware.o sysfs.o obj-$(CONFIG_PPC64) += vdso64/ obj-$(CONFIG_ALTIVEC) += vecemu.o vector.o -obj-$(CONFIG_POWER4) += idle_power4.o +obj-$(CONFIG_PPC_970_NAP) += idle_power4.o obj-$(CONFIG_PPC_OF) += of_device.o prom_parse.o procfs-$(CONFIG_PPC64) := proc_ppc64.o obj-$(CONFIG_PROC_FS) += $(procfs-y) diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c index 54b48f33005..8f85c5e8a55 100644 --- a/arch/powerpc/kernel/asm-offsets.c +++ b/arch/powerpc/kernel/asm-offsets.c @@ -91,6 +91,7 @@ int main(void) #endif /* CONFIG_PPC64 */ DEFINE(TI_FLAGS, offsetof(struct thread_info, flags)); + DEFINE(TI_LOCAL_FLAGS, offsetof(struct thread_info, local_flags)); DEFINE(TI_PREEMPT, offsetof(struct thread_info, preempt_count)); DEFINE(TI_TASK, offsetof(struct thread_info, task)); #ifdef CONFIG_PPC32 diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c index 39e348a3ade..3f7182db9ed 100644 --- a/arch/powerpc/kernel/cputable.c +++ b/arch/powerpc/kernel/cputable.c @@ -57,6 +57,8 @@ extern void __setup_cpu_ppc970(unsigned long offset, struct cpu_spec* spec); PPC_FEATURE_SMT | PPC_FEATURE_ICACHE_SNOOP) #define COMMON_USER_POWER5_PLUS (COMMON_USER_PPC64 | PPC_FEATURE_POWER5_PLUS|\ PPC_FEATURE_SMT | PPC_FEATURE_ICACHE_SNOOP) +#define COMMON_USER_POWER6 (COMMON_USER_PPC64 | PPC_FEATURE_ARCH_2_05 |\ + PPC_FEATURE_SMT | PPC_FEATURE_ICACHE_SNOOP) #define COMMON_USER_BOOKE (PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU | \ PPC_FEATURE_BOOKE) @@ -263,6 +265,20 @@ struct cpu_spec cpu_specs[] = { .oprofile_type = PPC_OPROFILE_POWER4, .platform = "power5+", }, + { /* Power6 */ + .pvr_mask = 0xffff0000, + .pvr_value = 0x003e0000, + .cpu_name = "POWER6", + .cpu_features = CPU_FTRS_POWER6, + .cpu_user_features = COMMON_USER_POWER6, + .icache_bsize = 128, + .dcache_bsize = 128, + .num_pmcs = 6, + .cpu_setup = __setup_cpu_power4, + .oprofile_cpu_type = "ppc64/power6", + .oprofile_type = PPC_OPROFILE_POWER4, + .platform = "power6", + }, { /* Cell Broadband Engine */ .pvr_mask = 0xffff0000, .pvr_value = 0x00700000, diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S index b3a97946722..8866fd26c6b 100644 --- a/arch/powerpc/kernel/entry_32.S +++ b/arch/powerpc/kernel/entry_32.S @@ -128,37 +128,36 @@ transfer_to_handler: stw r12,4(r11) #endif b 3f + 2: /* if from kernel, check interrupted DOZE/NAP mode and * check for stack overflow */ + lwz r9,THREAD_INFO-THREAD(r12) + cmplw r1,r9 /* if r1 <= current->thread_info */ + ble- stack_ovf /* then the kernel stack overflowed */ +5: #ifdef CONFIG_6xx - mfspr r11,SPRN_HID0 - mtcr r11 -BEGIN_FTR_SECTION - bt- 8,4f /* Check DOZE */ -END_FTR_SECTION_IFSET(CPU_FTR_CAN_DOZE) -BEGIN_FTR_SECTION - bt- 9,4f /* Check NAP */ -END_FTR_SECTION_IFSET(CPU_FTR_CAN_NAP) + tophys(r9,r9) /* check local flags */ + lwz r12,TI_LOCAL_FLAGS(r9) + mtcrf 0x01,r12 + bt- 31-TLF_NAPPING,4f #endif /* CONFIG_6xx */ .globl transfer_to_handler_cont transfer_to_handler_cont: - lwz r11,THREAD_INFO-THREAD(r12) - cmplw r1,r11 /* if r1 <= current->thread_info */ - ble- stack_ovf /* then the kernel stack overflowed */ 3: mflr r9 lwz r11,0(r9) /* virtual address of handler */ lwz r9,4(r9) /* where to go when done */ - FIX_SRR1(r10,r12) mtspr SPRN_SRR0,r11 mtspr SPRN_SRR1,r10 mtlr r9 SYNC RFI /* jump to handler, enable MMU */ -#ifdef CONFIG_6xx -4: b power_save_6xx_restore +#ifdef CONFIG_6xx +4: rlwinm r12,r12,0,~_TLF_NAPPING + stw r12,TI_LOCAL_FLAGS(r9) + b power_save_6xx_restore #endif /* @@ -167,10 +166,10 @@ transfer_to_handler_cont: */ stack_ovf: /* sometimes we use a statically-allocated stack, which is OK. */ - lis r11,_end@h - ori r11,r11,_end@l - cmplw r1,r11 - ble 3b /* r1 <= &_end is OK */ + lis r12,_end@h + ori r12,r12,_end@l + cmplw r1,r12 + ble 5b /* r1 <= &_end is OK */ SAVE_NVGPRS(r11) addi r3,r1,STACK_FRAME_OVERHEAD lis r1,init_thread_union@ha diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S index a5ae04a57c7..b7d140430a4 100644 --- a/arch/powerpc/kernel/head_64.S +++ b/arch/powerpc/kernel/head_64.S @@ -376,11 +376,28 @@ label##_common: \ bl hdlr; \ b .ret_from_except +/* + * Like STD_EXCEPTION_COMMON, but for exceptions that can occur + * in the idle task and therefore need the special idle handling. + */ +#define STD_EXCEPTION_COMMON_IDLE(trap, label, hdlr) \ + .align 7; \ + .globl label##_common; \ +label##_common: \ + EXCEPTION_PROLOG_COMMON(trap, PACA_EXGEN); \ + FINISH_NAP; \ + DISABLE_INTS; \ + bl .save_nvgprs; \ + addi r3,r1,STACK_FRAME_OVERHEAD; \ + bl hdlr; \ + b .ret_from_except + #define STD_EXCEPTION_COMMON_LITE(trap, label, hdlr) \ .align 7; \ .globl label##_common; \ label##_common: \ EXCEPTION_PROLOG_COMMON(trap, PACA_EXGEN); \ + FINISH_NAP; \ DISABLE_INTS; \ bl .ppc64_runlatch_on; \ addi r3,r1,STACK_FRAME_OVERHEAD; \ @@ -388,6 +405,25 @@ label##_common: \ b .ret_from_except_lite /* + * When the idle code in power4_idle puts the CPU into NAP mode, + * it has to do so in a loop, and relies on the external interrupt + * and decrementer interrupt entry code to get it out of the loop. + * It sets the _TLF_NAPPING bit in current_thread_info()->local_flags + * to signal that it is in the loop and needs help to get out. + */ +#ifdef CONFIG_PPC_970_NAP +#define FINISH_NAP \ +BEGIN_FTR_SECTION \ + clrrdi r11,r1,THREAD_SHIFT; \ + ld r9,TI_LOCAL_FLAGS(r11); \ + andi. r10,r9,_TLF_NAPPING; \ + bnel power4_fixup_nap; \ +END_FTR_SECTION_IFSET(CPU_FTR_CAN_NAP) +#else +#define FINISH_NAP +#endif + +/* * Start of pSeries system interrupt routines */ . = 0x100 @@ -772,6 +808,7 @@ hardware_interrupt_iSeries_masked: .globl machine_check_common machine_check_common: EXCEPTION_PROLOG_COMMON(0x200, PACA_EXMC) + FINISH_NAP DISABLE_INTS bl .save_nvgprs addi r3,r1,STACK_FRAME_OVERHEAD @@ -783,7 +820,7 @@ machine_check_common: STD_EXCEPTION_COMMON(0xb00, trap_0b, .unknown_exception) STD_EXCEPTION_COMMON(0xd00, single_step, .single_step_exception) STD_EXCEPTION_COMMON(0xe00, trap_0e, .unknown_exception) - STD_EXCEPTION_COMMON(0xf00, performance_monitor, .performance_monitor_exception) + STD_EXCEPTION_COMMON_IDLE(0xf00, performance_monitor, .performance_monitor_exception) STD_EXCEPTION_COMMON(0x1300, instruction_breakpoint, .instruction_breakpoint_exception) #ifdef CONFIG_ALTIVEC STD_EXCEPTION_COMMON(0x1700, altivec_assist, .altivec_assist_exception) @@ -1034,6 +1071,7 @@ unrecov_slb: .globl hardware_interrupt_entry hardware_interrupt_common: EXCEPTION_PROLOG_COMMON(0x500, PACA_EXGEN) + FINISH_NAP hardware_interrupt_entry: DISABLE_INTS bl .ppc64_runlatch_on @@ -1041,6 +1079,15 @@ hardware_interrupt_entry: bl .do_IRQ b .ret_from_except_lite +#ifdef CONFIG_PPC_970_NAP +power4_fixup_nap: + andc r9,r9,r10 + std r9,TI_LOCAL_FLAGS(r11) + ld r10,_LINK(r1) /* make idle task do the */ + std r10,_NIP(r1) /* equivalent of a blr */ + blr +#endif + .align 7 .globl alignment_common alignment_common: diff --git a/arch/powerpc/kernel/idle.c b/arch/powerpc/kernel/idle.c index e9f321d74d8..d491052c8e0 100644 --- a/arch/powerpc/kernel/idle.c +++ b/arch/powerpc/kernel/idle.c @@ -50,9 +50,9 @@ void cpu_idle(void) set_thread_flag(TIF_POLLING_NRFLAG); while (1) { - ppc64_runlatch_off(); - while (!need_resched() && !cpu_should_die()) { + ppc64_runlatch_off(); + if (ppc_md.power_save) { clear_thread_flag(TIF_POLLING_NRFLAG); /* diff --git a/arch/powerpc/kernel/idle_6xx.S b/arch/powerpc/kernel/idle_6xx.S index 12a4efbaa08..b45fa0e3721 100644 --- a/arch/powerpc/kernel/idle_6xx.S +++ b/arch/powerpc/kernel/idle_6xx.S @@ -22,8 +22,6 @@ #include <asm/ppc_asm.h> #include <asm/asm-offsets.h> -#undef DEBUG - .text /* @@ -109,12 +107,6 @@ BEGIN_FTR_SECTION 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 */ @@ -144,48 +136,42 @@ BEGIN_FTR_SECTION DSSALL sync END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC) + rlwinm r9,r1,0,0,31-THREAD_SHIFT /* current thread_info */ + lwz r8,TI_LOCAL_FLAGS(r9) /* set napping bit */ + ori r8,r8,_TLF_NAPPING /* so when we take an exception */ + stw r8,TI_LOCAL_FLAGS(r9) /* it will return to our caller */ mfmsr r7 ori r7,r7,MSR_EE oris r7,r7,MSR_POW@h - sync - isync +1: sync mtmsr r7 isync - sync - blr - + b 1b + /* * 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. + * address of current. R11 points to the exception frame (physical + * address). We have to preserve r10. */ _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 + lwz r9,_LINK(r11) /* interrupted in ppc6xx_idle: */ + stw r9,_NIP(r11) /* make it do a blr */ -#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) +#ifdef CONFIG_SMP + mfspr r12,SPRN_SPRG3 + lwz r11,TI_CPU(r12) /* get cpu number * 4 */ slwi r11,r11,2 +#else + li r11,0 +#endif /* Todo make sure all these are in the same page - * and load r22 (@ha part + CPU offset) only once + * and load r11 (@ha part + CPU offset) only once */ BEGIN_FTR_SECTION - beq cr1,1f + mfspr r9,SPRN_HID0 + andis. r9,r9,HID0_NAP@h + beq 1f addis r9,r11,(nap_save_msscr0-KERNELBASE)@ha lwz r9,nap_save_msscr0@l(r9) mtspr SPRN_MSSCR0, r9 @@ -210,10 +196,3 @@ _GLOBAL(nap_save_hid1) _GLOBAL(powersave_lowspeed) .long 0 - -#ifdef DEBUG -_GLOBAL(nap_enter_count) - .space 4 -_GLOBAL(nap_return_count) - .space 4 -#endif diff --git a/arch/powerpc/kernel/idle_power4.S b/arch/powerpc/kernel/idle_power4.S index 6dad1c02496..d85c7c938ee 100644 --- a/arch/powerpc/kernel/idle_power4.S +++ b/arch/powerpc/kernel/idle_power4.S @@ -35,12 +35,16 @@ BEGIN_FTR_SECTION DSSALL sync END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC) + clrrdi r9,r1,THREAD_SHIFT /* current thread_info */ + ld r8,TI_LOCAL_FLAGS(r9) /* set napping bit */ + ori r8,r8,_TLF_NAPPING /* so when we take an exception */ + std r8,TI_LOCAL_FLAGS(r9) /* it will return to our caller */ mfmsr r7 ori r7,r7,MSR_EE oris r7,r7,MSR_POW@h - sync +1: sync isync mtmsrd r7 isync - sync - blr + b 1b + diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c index d9a7fdef59b..4eba60a3289 100644 --- a/arch/powerpc/kernel/iommu.c +++ b/arch/powerpc/kernel/iommu.c @@ -61,6 +61,7 @@ __setup("iommu=", setup_iommu); static unsigned long iommu_range_alloc(struct iommu_table *tbl, unsigned long npages, unsigned long *handle, + unsigned long mask, unsigned int align_order) { unsigned long n, end, i, start; @@ -97,9 +98,21 @@ static unsigned long iommu_range_alloc(struct iommu_table *tbl, */ if (start >= limit) start = largealloc ? tbl->it_largehint : tbl->it_hint; - + again: + if (limit + tbl->it_offset > mask) { + limit = mask - tbl->it_offset + 1; + /* If we're constrained on address range, first try + * at the masked hint to avoid O(n) search complexity, + * but on second pass, start at 0. + */ + if ((start & mask) >= limit || pass > 0) + start = 0; + else + start &= mask; + } + n = find_next_zero_bit(tbl->it_map, limit, start); /* Align allocation */ @@ -150,14 +163,14 @@ static unsigned long iommu_range_alloc(struct iommu_table *tbl, static dma_addr_t iommu_alloc(struct iommu_table *tbl, void *page, unsigned int npages, enum dma_data_direction direction, - unsigned int align_order) + unsigned long mask, unsigned int align_order) { unsigned long entry, flags; dma_addr_t ret = DMA_ERROR_CODE; - + spin_lock_irqsave(&(tbl->it_lock), flags); - entry = iommu_range_alloc(tbl, npages, NULL, align_order); + entry = iommu_range_alloc(tbl, npages, NULL, mask, align_order); if (unlikely(entry == DMA_ERROR_CODE)) { spin_unlock_irqrestore(&(tbl->it_lock), flags); @@ -236,7 +249,7 @@ static void iommu_free(struct iommu_table *tbl, dma_addr_t dma_addr, int iommu_map_sg(struct device *dev, struct iommu_table *tbl, struct scatterlist *sglist, int nelems, - enum dma_data_direction direction) + unsigned long mask, enum dma_data_direction direction) { dma_addr_t dma_next = 0, dma_addr; unsigned long flags; @@ -274,7 +287,7 @@ int iommu_map_sg(struct device *dev, struct iommu_table *tbl, vaddr = (unsigned long)page_address(s->page) + s->offset; npages = PAGE_ALIGN(vaddr + slen) - (vaddr & PAGE_MASK); npages >>= PAGE_SHIFT; - entry = iommu_range_alloc(tbl, npages, &handle, 0); + entry = iommu_range_alloc(tbl, npages, &handle, mask >> PAGE_SHIFT, 0); DBG(" - vaddr: %lx, size: %lx\n", vaddr, slen); @@ -479,7 +492,8 @@ void iommu_free_table(struct device_node *dn) * byte within the page as vaddr. */ dma_addr_t iommu_map_single(struct iommu_table *tbl, void *vaddr, - size_t size, enum dma_data_direction direction) + size_t size, unsigned long mask, + enum dma_data_direction direction) { dma_addr_t dma_handle = DMA_ERROR_CODE; unsigned long uaddr; @@ -492,7 +506,8 @@ dma_addr_t iommu_map_single(struct iommu_table *tbl, void *vaddr, npages >>= PAGE_SHIFT; if (tbl) { - dma_handle = iommu_alloc(tbl, vaddr, npages, direction, 0); + dma_handle = iommu_alloc(tbl, vaddr, npages, direction, + mask >> PAGE_SHIFT, 0); if (dma_handle == DMA_ERROR_CODE) { if (printk_ratelimit()) { printk(KERN_INFO "iommu_alloc failed, " @@ -521,7 +536,7 @@ void iommu_unmap_single(struct iommu_table *tbl, dma_addr_t dma_handle, * to the dma address (mapping) of the first page. */ void *iommu_alloc_coherent(struct iommu_table *tbl, size_t size, - dma_addr_t *dma_handle, gfp_t flag) + dma_addr_t *dma_handle, unsigned long mask, gfp_t flag) { void *ret = NULL; dma_addr_t mapping; @@ -551,7 +566,8 @@ void *iommu_alloc_coherent(struct iommu_table *tbl, size_t size, memset(ret, 0, size); /* Set up tces to cover the allocated range */ - mapping = iommu_alloc(tbl, ret, npages, DMA_BIDIRECTIONAL, order); + mapping = iommu_alloc(tbl, ret, npages, DMA_BIDIRECTIONAL, + mask >> PAGE_SHIFT, order); if (mapping == DMA_ERROR_CODE) { free_pages((unsigned long)ret, order); ret = NULL; diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c index bb5c9501234..57d560c6889 100644 --- a/arch/powerpc/kernel/irq.c +++ b/arch/powerpc/kernel/irq.c @@ -272,18 +272,26 @@ unsigned int virt_irq_to_real_map[NR_IRQS]; * Don't use virtual irqs 0, 1, 2 for devices. * The pcnet32 driver considers interrupt numbers < 2 to be invalid, * and 2 is the XICS IPI interrupt. - * We limit virtual irqs to 17 less than NR_IRQS so that when we - * offset them by 16 (to reserve the first 16 for ISA interrupts) - * we don't end up with an interrupt number >= NR_IRQS. + * We limit virtual irqs to __irq_offet_value less than virt_irq_max so + * that when we offset them we don't end up with an interrupt + * number >= virt_irq_max. */ #define MIN_VIRT_IRQ 3 -#define MAX_VIRT_IRQ (NR_IRQS - NUM_ISA_INTERRUPTS - 1) -#define NR_VIRT_IRQS (MAX_VIRT_IRQ - MIN_VIRT_IRQ + 1) + +unsigned int virt_irq_max; +static unsigned int max_virt_irq; +static unsigned int nr_virt_irqs; void virt_irq_init(void) { int i; + + if ((virt_irq_max == 0) || (virt_irq_max > (NR_IRQS - 1))) + virt_irq_max = NR_IRQS - 1; + max_virt_irq = virt_irq_max - __irq_offset_value; + nr_virt_irqs = max_virt_irq - MIN_VIRT_IRQ + 1; + for (i = 0; i < NR_IRQS; i++) virt_irq_to_real_map[i] = UNDEFINED_IRQ; } @@ -308,17 +316,17 @@ int virt_irq_create_mapping(unsigned int real_irq) return real_irq; } - /* map to a number between MIN_VIRT_IRQ and MAX_VIRT_IRQ */ + /* map to a number between MIN_VIRT_IRQ and max_virt_irq */ virq = real_irq; - if (virq > MAX_VIRT_IRQ) - virq = (virq % NR_VIRT_IRQS) + MIN_VIRT_IRQ; + if (virq > max_virt_irq) + virq = (virq % nr_virt_irqs) + MIN_VIRT_IRQ; /* search for this number or a free slot */ first_virq = virq; while (virt_irq_to_real_map[virq] != UNDEFINED_IRQ) { if (virt_irq_to_real_map[virq] == real_irq) return virq; - if (++virq > MAX_VIRT_IRQ) + if (++virq > max_virt_irq) virq = MIN_VIRT_IRQ; if (virq == first_virq) goto nospace; /* oops, no free slots */ @@ -330,8 +338,8 @@ int virt_irq_create_mapping(unsigned int real_irq) nospace: if (!warned) { printk(KERN_CRIT "Interrupt table is full\n"); - printk(KERN_CRIT "Increase NR_IRQS (currently %d) " - "in your kernel sources and rebuild.\n", NR_IRQS); + printk(KERN_CRIT "Increase virt_irq_max (currently %d) " + "in your kernel sources and rebuild.\n", virt_irq_max); warned = 1; } return NO_IRQ; @@ -349,8 +357,8 @@ unsigned int real_irq_to_virt_slowpath(unsigned int real_irq) virq = real_irq; - if (virq > MAX_VIRT_IRQ) - virq = (virq % NR_VIRT_IRQS) + MIN_VIRT_IRQ; + if (virq > max_virt_irq) + virq = (virq % nr_virt_irqs) + MIN_VIRT_IRQ; first_virq = virq; @@ -360,7 +368,7 @@ unsigned int real_irq_to_virt_slowpath(unsigned int real_irq) virq++; - if (virq >= MAX_VIRT_IRQ) + if (virq >= max_virt_irq) virq = 0; } while (first_virq != virq); diff --git a/arch/powerpc/kernel/kprobes.c b/arch/powerpc/kernel/kprobes.c index ad7a9021220..856ef1a832b 100644 --- a/arch/powerpc/kernel/kprobes.c +++ b/arch/powerpc/kernel/kprobes.c @@ -88,7 +88,7 @@ void __kprobes arch_remove_kprobe(struct kprobe *p) mutex_unlock(&kprobe_mutex); } -static inline void prepare_singlestep(struct kprobe *p, struct pt_regs *regs) +static void __kprobes prepare_singlestep(struct kprobe *p, struct pt_regs *regs) { kprobe_opcode_t insn = *p->ainsn.insn; @@ -101,21 +101,21 @@ static inline void prepare_singlestep(struct kprobe *p, struct pt_regs *regs) regs->nip = (unsigned long)p->ainsn.insn; } -static inline void save_previous_kprobe(struct kprobe_ctlblk *kcb) +static void __kprobes save_previous_kprobe(struct kprobe_ctlblk *kcb) { kcb->prev_kprobe.kp = kprobe_running(); kcb->prev_kprobe.status = kcb->kprobe_status; kcb->prev_kprobe.saved_msr = kcb->kprobe_saved_msr; } -static inline void restore_previous_kprobe(struct kprobe_ctlblk *kcb) +static void __kprobes restore_previous_kprobe(struct kprobe_ctlblk *kcb) { __get_cpu_var(current_kprobe) = kcb->prev_kprobe.kp; kcb->kprobe_status = kcb->prev_kprobe.status; kcb->kprobe_saved_msr = kcb->prev_kprobe.saved_msr; } -static inline void set_current_kprobe(struct kprobe *p, struct pt_regs *regs, +static void __kprobes set_current_kprobe(struct kprobe *p, struct pt_regs *regs, struct kprobe_ctlblk *kcb) { __get_cpu_var(current_kprobe) = p; @@ -141,7 +141,7 @@ void __kprobes arch_prepare_kretprobe(struct kretprobe *rp, } } -static inline int kprobe_handler(struct pt_regs *regs) +static int __kprobes kprobe_handler(struct pt_regs *regs) { struct kprobe *p; int ret = 0; @@ -334,7 +334,7 @@ static void __kprobes resume_execution(struct kprobe *p, struct pt_regs *regs) regs->nip = (unsigned long)p->addr + 4; } -static inline int post_kprobe_handler(struct pt_regs *regs) +static int __kprobes post_kprobe_handler(struct pt_regs *regs) { struct kprobe *cur = kprobe_running(); struct kprobe_ctlblk *kcb = get_kprobe_ctlblk(); @@ -370,7 +370,7 @@ out: return 1; } -static inline int kprobe_fault_handler(struct pt_regs *regs, int trapnr) +static int __kprobes kprobe_fault_handler(struct pt_regs *regs, int trapnr) { struct kprobe *cur = kprobe_running(); struct kprobe_ctlblk *kcb = get_kprobe_ctlblk(); diff --git a/arch/powerpc/kernel/module_64.c b/arch/powerpc/kernel/module_64.c index 928b8581fcb..ba34001fca8 100644 --- a/arch/powerpc/kernel/module_64.c +++ b/arch/powerpc/kernel/module_64.c @@ -191,11 +191,19 @@ int module_frob_arch_sections(Elf64_Ehdr *hdr, (void *)hdr + sechdrs[sechdrs[i].sh_link].sh_offset); } - if (!me->arch.stubs_section || !me->arch.toc_section) { - printk("%s: doesn't contain .toc or .stubs.\n", me->name); + + if (!me->arch.stubs_section) { + printk("%s: doesn't contain .stubs.\n", me->name); return -ENOEXEC; } + /* If we don't have a .toc, just use .stubs. We need to set r2 + to some reasonable value in case the module calls out to + other functions via a stub, or if a function pointer escapes + the module by some means. */ + if (!me->arch.toc_section) + me->arch.toc_section = me->arch.stubs_section; + /* Override the stubs size */ sechdrs[me->arch.stubs_section].sh_size = get_stubs_size(hdr, sechdrs); return 0; @@ -342,7 +350,7 @@ int apply_relocate_add(Elf64_Shdr *sechdrs, break; case R_PPC64_TOC16: - /* Subtact TOC pointer */ + /* Subtract TOC pointer */ value -= my_r2(sechdrs, me); if (value + 0x8000 > 0xffff) { printk("%s: bad TOC16 relocation (%lu)\n", @@ -355,7 +363,7 @@ int apply_relocate_add(Elf64_Shdr *sechdrs, break; case R_PPC64_TOC16_DS: - /* Subtact TOC pointer */ + /* Subtract TOC pointer */ value -= my_r2(sechdrs, me); if ((value & 3) != 0 || value + 0x8000 > 0xffff) { printk("%s: bad TOC16_DS relocation (%lu)\n", diff --git a/arch/powerpc/kernel/pci_iommu.c b/arch/powerpc/kernel/pci_iommu.c index c336f3e31cf..c1d95e14bbe 100644 --- a/arch/powerpc/kernel/pci_iommu.c +++ b/arch/powerpc/kernel/pci_iommu.c @@ -59,6 +59,25 @@ static inline struct iommu_table *devnode_table(struct device *dev) } +static inline unsigned long device_to_mask(struct device *hwdev) +{ + struct pci_dev *pdev; + + if (!hwdev) { + pdev = ppc64_isabridge_dev; + if (!pdev) /* This is the best guess we can do */ + return 0xfffffffful; + } else + pdev = to_pci_dev(hwdev); + + if (pdev->dma_mask) + return pdev->dma_mask; + + /* Assume devices without mask can take 32 bit addresses */ + return 0xfffffffful; +} + + /* Allocates a contiguous real buffer and creates mappings over it. * Returns the virtual address of the buffer and sets dma_handle * to the dma address (mapping) of the first page. @@ -67,7 +86,7 @@ static void *pci_iommu_alloc_coherent(struct device *hwdev, size_t size, dma_addr_t *dma_handle, gfp_t flag) { return iommu_alloc_coherent(devnode_table(hwdev), size, dma_handle, - flag); + device_to_mask(hwdev), flag); } static void pci_iommu_free_coherent(struct device *hwdev, size_t size, @@ -85,7 +104,8 @@ static void pci_iommu_free_coherent(struct device *hwdev, size_t size, static dma_addr_t pci_iommu_map_single(struct device *hwdev, void *vaddr, size_t size, enum dma_data_direction direction) { - return iommu_map_single(devnode_table(hwdev), vaddr, size, direction); + return iommu_map_single(devnode_table(hwdev), vaddr, size, + device_to_mask(hwdev), direction); } @@ -100,7 +120,7 @@ static int pci_iommu_map_sg(struct device *pdev, struct scatterlist *sglist, int nelems, enum dma_data_direction direction) { return iommu_map_sg(pdev, devnode_table(pdev), sglist, - nelems, direction); + nelems, device_to_mask(pdev), direction); } static void pci_iommu_unmap_sg(struct device *pdev, struct scatterlist *sglist, @@ -112,7 +132,19 @@ static void pci_iommu_unmap_sg(struct device *pdev, struct scatterlist *sglist, /* We support DMA to/from any memory page via the iommu */ static int pci_iommu_dma_supported(struct device *dev, u64 mask) { - return 1; + struct iommu_table *tbl = devnode_table(dev); + + if (!tbl || tbl->it_offset > mask) { + printk(KERN_INFO "Warning: IOMMU table offset too big for device mask\n"); + if (tbl) + printk(KERN_INFO "mask: 0x%08lx, table offset: 0x%08lx\n", + mask, tbl->it_offset); + else + printk(KERN_INFO "mask: 0x%08lx, table unavailable\n", + mask); + return 0; + } else + return 1; } void pci_iommu_init(void) diff --git a/arch/powerpc/kernel/ppc_ksyms.c b/arch/powerpc/kernel/ppc_ksyms.c index dfa5398ab3c..4b052ae5dc3 100644 --- a/arch/powerpc/kernel/ppc_ksyms.c +++ b/arch/powerpc/kernel/ppc_ksyms.c @@ -81,6 +81,7 @@ EXPORT_SYMBOL(strcat); EXPORT_SYMBOL(strlen); EXPORT_SYMBOL(strcmp); EXPORT_SYMBOL(strcasecmp); +EXPORT_SYMBOL(strncasecmp); EXPORT_SYMBOL(csum_partial); EXPORT_SYMBOL(csum_partial_copy_generic); diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index 4336390bcf3..1cb69e8fb0b 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -62,7 +62,7 @@ static int __initdata dt_root_addr_cells; static int __initdata dt_root_size_cells; #ifdef CONFIG_PPC64 -static int __initdata iommu_is_off; +int __initdata iommu_is_off; int __initdata iommu_force_on; unsigned long tce_alloc_start, tce_alloc_end; #endif diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c index d66c5e77fcf..078fb553354 100644 --- a/arch/powerpc/kernel/prom_init.c +++ b/arch/powerpc/kernel/prom_init.c @@ -636,10 +636,96 @@ static void __init early_cmdline_parse(void) #ifdef CONFIG_PPC_PSERIES /* - * To tell the firmware what our capabilities are, we have to pass - * it a fake 32-bit ELF header containing a couple of PT_NOTE sections - * that contain structures that contain the actual values. + * There are two methods for telling firmware what our capabilities are. + * Newer machines have an "ibm,client-architecture-support" method on the + * root node. For older machines, we have to call the "process-elf-header" + * method in the /packages/elf-loader node, passing it a fake 32-bit + * ELF header containing a couple of PT_NOTE sections that contain + * structures that contain various information. */ + +/* + * New method - extensible architecture description vector. + * + * Because the description vector contains a mix of byte and word + * values, we declare it as an unsigned char array, and use this + * macro to put word values in. + */ +#define W(x) ((x) >> 24) & 0xff, ((x) >> 16) & 0xff, \ + ((x) >> 8) & 0xff, (x) & 0xff + +/* Option vector bits - generic bits in byte 1 */ +#define OV_IGNORE 0x80 /* ignore this vector */ +#define OV_CESSATION_POLICY 0x40 /* halt if unsupported option present*/ + +/* Option vector 1: processor architectures supported */ +#define OV1_PPC_2_00 0x80 /* set if we support PowerPC 2.00 */ +#define OV1_PPC_2_01 0x40 /* set if we support PowerPC 2.01 */ +#define OV1_PPC_2_02 0x20 /* set if we support PowerPC 2.02 */ +#define OV1_PPC_2_03 0x10 /* set if we support PowerPC 2.03 */ +#define OV1_PPC_2_04 0x08 /* set if we support PowerPC 2.04 */ +#define OV1_PPC_2_05 0x04 /* set if we support PowerPC 2.05 */ + +/* Option vector 2: Open Firmware options supported */ +#define OV2_REAL_MODE 0x20 /* set if we want OF in real mode */ + +/* Option vector 3: processor options supported */ +#define OV3_FP 0x80 /* floating point */ +#define OV3_VMX 0x40 /* VMX/Altivec */ + +/* Option vector 5: PAPR/OF options supported */ +#define OV5_LPAR 0x80 /* logical partitioning supported */ +#define OV5_SPLPAR 0x40 /* shared-processor LPAR supported */ +/* ibm,dynamic-reconfiguration-memory property supported */ +#define OV5_DRCONF_MEMORY 0x20 +#define OV5_LARGE_PAGES 0x10 /* large pages supported */ + +/* + * The architecture vector has an array of PVR mask/value pairs, + * followed by # option vectors - 1, followed by the option vectors. + */ +static unsigned char ibm_architecture_vec[] = { + W(0xfffe0000), W(0x003a0000), /* POWER5/POWER5+ */ + W(0xffff0000), W(0x003e0000), /* POWER6 */ + W(0xfffffffe), W(0x0f000001), /* all 2.04-compliant and earlier */ + 5 - 1, /* 5 option vectors */ + + /* option vector 1: processor architectures supported */ + 3 - 1, /* length */ + 0, /* don't ignore, don't halt */ + OV1_PPC_2_00 | OV1_PPC_2_01 | OV1_PPC_2_02 | OV1_PPC_2_03 | + OV1_PPC_2_04 | OV1_PPC_2_05, + + /* option vector 2: Open Firmware options supported */ + 34 - 1, /* length */ + OV2_REAL_MODE, + 0, 0, + W(0xffffffff), /* real_base */ + W(0xffffffff), /* real_size */ + W(0xffffffff), /* virt_base */ + W(0xffffffff), /* virt_size */ + W(0xffffffff), /* load_base */ + W(64), /* 128MB min RMA */ + W(0xffffffff), /* full client load */ + 0, /* min RMA percentage of total RAM */ + 48, /* max log_2(hash table size) */ + + /* option vector 3: processor options supported */ + 3 - 1, /* length */ + 0, /* don't ignore, don't halt */ + OV3_FP | OV3_VMX, + + /* option vector 4: IBM PAPR implementation */ + 2 - 1, /* length */ + 0, /* don't halt */ + + /* option vector 5: PAPR/OF options */ + 3 - 1, /* length */ + 0, /* don't ignore, don't halt */ + OV5_LPAR | OV5_SPLPAR | OV5_LARGE_PAGES, +}; + +/* Old method - ELF header with PT_NOTE sections */ static struct fake_elf { Elf32_Ehdr elfhdr; Elf32_Phdr phdr[2]; @@ -728,8 +814,26 @@ static struct fake_elf { static void __init prom_send_capabilities(void) { - ihandle elfloader; + ihandle elfloader, root; + prom_arg_t ret; + + root = call_prom("open", 1, 1, ADDR("/")); + if (root != 0) { + /* try calling the ibm,client-architecture-support method */ + if (call_prom_ret("call-method", 3, 2, &ret, + ADDR("ibm,client-architecture-support"), + ADDR(ibm_architecture_vec)) == 0) { + /* the call exists... */ + if (ret) + prom_printf("WARNING: ibm,client-architecture" + "-support call FAILED!\n"); + call_prom("close", 1, 0, root); + return; + } + call_prom("close", 1, 0, root); + } + /* no ibm,client-architecture-support call, try the old way */ elfloader = call_prom("open", 1, 1, ADDR("/packages/elf-loader")); if (elfloader == 0) { prom_printf("couldn't open /packages/elf-loader\n"); @@ -1528,12 +1632,11 @@ static int __init prom_find_machine_type(void) * non-IBM designs ! * - it has /rtas */ - len = prom_getprop(_prom->root, "model", + len = prom_getprop(_prom->root, "device_type", compat, sizeof(compat)-1); if (len <= 0) return PLATFORM_GENERIC; - compat[len] = 0; - if (strcmp(compat, "chrp")) + if (strncmp(compat, RELOC("chrp"), 4)) return PLATFORM_GENERIC; /* Default to pSeries. We need to know if we are running LPAR */ diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c index bcb83574335..4a677d1bd4e 100644 --- a/arch/powerpc/kernel/ptrace.c +++ b/arch/powerpc/kernel/ptrace.c @@ -538,7 +538,7 @@ void do_syscall_trace_enter(struct pt_regs *regs) do_syscall_trace(); if (unlikely(current->audit_context)) - audit_syscall_entry(current, + audit_syscall_entry( #ifdef CONFIG_PPC32 AUDIT_ARCH_PPC, #else @@ -556,8 +556,7 @@ void do_syscall_trace_leave(struct pt_regs *regs) #endif if (unlikely(current->audit_context)) - audit_syscall_exit(current, - (regs->ccr&0x1000)?AUDITSC_FAILURE:AUDITSC_SUCCESS, + audit_syscall_exit((regs->ccr&0x1000)?AUDITSC_FAILURE:AUDITSC_SUCCESS, regs->result); if ((test_thread_flag(TIF_SYSCALL_TRACE) diff --git a/arch/powerpc/kernel/rtas-proc.c b/arch/powerpc/kernel/rtas-proc.c index 456286cf1d1..9c9ad1fa9cc 100644 --- a/arch/powerpc/kernel/rtas-proc.c +++ b/arch/powerpc/kernel/rtas-proc.c @@ -258,11 +258,11 @@ static int __init proc_rtas_init(void) struct proc_dir_entry *entry; if (!machine_is(pseries)) - return 1; + return -ENODEV; rtas_node = of_find_node_by_name(NULL, "rtas"); if (rtas_node == NULL) - return 1; + return -ENODEV; entry = create_proc_entry("ppc64/rtas/progress", S_IRUGO|S_IWUSR, NULL); if (entry) diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c index 1d93e73a700..684ab1d49c6 100644 --- a/arch/powerpc/kernel/setup-common.c +++ b/arch/powerpc/kernel/setup-common.c @@ -516,3 +516,11 @@ void probe_machine(void) printk(KERN_INFO "Using %s machine description\n", ppc_md.name); } + +int check_legacy_ioport(unsigned long base_port) +{ + if (ppc_md.check_legacy_ioport == NULL) + return 0; + return ppc_md.check_legacy_ioport(base_port); +} +EXPORT_SYMBOL(check_legacy_ioport); diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c index 13e91c4d70a..4467c49903b 100644 --- a/arch/powerpc/kernel/setup_64.c +++ b/arch/powerpc/kernel/setup_64.c @@ -594,14 +594,6 @@ void ppc64_terminate_msg(unsigned int src, const char *msg) printk("[terminate]%04x %s\n", src, msg); } -int check_legacy_ioport(unsigned long base_port) -{ - if (ppc_md.check_legacy_ioport == NULL) - return 0; - return ppc_md.check_legacy_ioport(base_port); -} -EXPORT_SYMBOL(check_legacy_ioport); - void cpu_die(void) { if (ppc_md.cpu_die) diff --git a/arch/powerpc/kernel/sysfs.c b/arch/powerpc/kernel/sysfs.c index 73560ef6f80..5bc2585c803 100644 --- a/arch/powerpc/kernel/sysfs.c +++ b/arch/powerpc/kernel/sysfs.c @@ -279,7 +279,7 @@ static void unregister_cpu_online(unsigned int cpu) } #endif /* CONFIG_HOTPLUG_CPU */ -static int __devinit sysfs_cpu_notify(struct notifier_block *self, +static int sysfs_cpu_notify(struct notifier_block *self, unsigned long action, void *hcpu) { unsigned int cpu = (unsigned int)(long)hcpu; @@ -297,7 +297,7 @@ static int __devinit sysfs_cpu_notify(struct notifier_block *self, return NOTIFY_OK; } -static struct notifier_block __devinitdata sysfs_cpu_nb = { +static struct notifier_block sysfs_cpu_nb = { .notifier_call = sysfs_cpu_notify, }; @@ -322,13 +322,31 @@ static void register_nodes(void) } } } + +int sysfs_add_device_to_node(struct sys_device *dev, int nid) +{ + struct node *node = &node_devices[nid]; + return sysfs_create_link(&node->sysdev.kobj, &dev->kobj, + kobject_name(&dev->kobj)); +} + +void sysfs_remove_device_from_node(struct sys_device *dev, int nid) +{ + struct node *node = &node_devices[nid]; + sysfs_remove_link(&node->sysdev.kobj, kobject_name(&dev->kobj)); +} + #else static void register_nodes(void) { return; } + #endif +EXPORT_SYMBOL_GPL(sysfs_add_device_to_node); +EXPORT_SYMBOL_GPL(sysfs_remove_device_from_node); + /* Only valid if CPU is present. */ static ssize_t show_physical_id(struct sys_device *dev, char *buf) { diff --git a/arch/powerpc/kernel/systbl.S b/arch/powerpc/kernel/systbl.S index a14c9640384..cf56a1d499f 100644 --- a/arch/powerpc/kernel/systbl.S +++ b/arch/powerpc/kernel/systbl.S @@ -324,3 +324,22 @@ COMPAT_SYS(ppoll) SYSCALL(unshare) SYSCALL(splice) SYSCALL(tee) +SYSCALL(vmsplice) +COMPAT_SYS(openat) +SYSCALL(mkdirat) +SYSCALL(mknodat) +SYSCALL(fchownat) +COMPAT_SYS(futimesat) +SYSX(sys_newfstatat, sys_fstatat64, sys_fstatat64) +SYSCALL(unlinkat) +SYSCALL(renameat) +SYSCALL(linkat) +SYSCALL(symlinkat) +SYSCALL(readlinkat) +SYSCALL(fchmodat) +SYSCALL(faccessat) + +/* + * please add new calls to arch/powerpc/platforms/cell/spu_callbacks.c + * as well when appropriate. + */ diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c index 13c655ba284..971020cf3f7 100644 --- a/arch/powerpc/kernel/vio.c +++ b/arch/powerpc/kernel/vio.c @@ -202,7 +202,7 @@ static dma_addr_t vio_map_single(struct device *dev, void *vaddr, size_t size, enum dma_data_direction direction) { return iommu_map_single(to_vio_dev(dev)->iommu_table, vaddr, size, - direction); + ~0ul, direction); } static void vio_unmap_single(struct device *dev, dma_addr_t dma_handle, @@ -216,7 +216,7 @@ static int vio_map_sg(struct device *dev, struct scatterlist *sglist, int nelems, enum dma_data_direction direction) { return iommu_map_sg(dev, to_vio_dev(dev)->iommu_table, sglist, - nelems, direction); + nelems, ~0ul, direction); } static void vio_unmap_sg(struct device *dev, struct scatterlist *sglist, @@ -229,7 +229,7 @@ static void *vio_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t flag) { return iommu_alloc_coherent(to_vio_dev(dev)->iommu_table, size, - dma_handle, flag); + dma_handle, ~0ul, flag); } static void vio_free_coherent(struct device *dev, size_t size, diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c index 7370f9f33e2..266b8b2ceac 100644 --- a/arch/powerpc/mm/hugetlbpage.c +++ b/arch/powerpc/mm/hugetlbpage.c @@ -30,13 +30,66 @@ #define NUM_LOW_AREAS (0x100000000UL >> SID_SHIFT) #define NUM_HIGH_AREAS (PGTABLE_RANGE >> HTLB_AREA_SHIFT) +#ifdef CONFIG_PPC_64K_PAGES +#define HUGEPTE_INDEX_SIZE (PMD_SHIFT-HPAGE_SHIFT) +#else +#define HUGEPTE_INDEX_SIZE (PUD_SHIFT-HPAGE_SHIFT) +#endif +#define PTRS_PER_HUGEPTE (1 << HUGEPTE_INDEX_SIZE) +#define HUGEPTE_TABLE_SIZE (sizeof(pte_t) << HUGEPTE_INDEX_SIZE) + +#define HUGEPD_SHIFT (HPAGE_SHIFT + HUGEPTE_INDEX_SIZE) +#define HUGEPD_SIZE (1UL << HUGEPD_SHIFT) +#define HUGEPD_MASK (~(HUGEPD_SIZE-1)) + +#define huge_pgtable_cache (pgtable_cache[HUGEPTE_CACHE_NUM]) + +/* Flag to mark huge PD pointers. This means pmd_bad() and pud_bad() + * will choke on pointers to hugepte tables, which is handy for + * catching screwups early. */ +#define HUGEPD_OK 0x1 + +typedef struct { unsigned long pd; } hugepd_t; + +#define hugepd_none(hpd) ((hpd).pd == 0) + +static inline pte_t *hugepd_page(hugepd_t hpd) +{ + BUG_ON(!(hpd.pd & HUGEPD_OK)); + return (pte_t *)(hpd.pd & ~HUGEPD_OK); +} + +static inline pte_t *hugepte_offset(hugepd_t *hpdp, unsigned long addr) +{ + unsigned long idx = ((addr >> HPAGE_SHIFT) & (PTRS_PER_HUGEPTE-1)); + pte_t *dir = hugepd_page(*hpdp); + + return dir + idx; +} + +static int __hugepte_alloc(struct mm_struct *mm, hugepd_t *hpdp, + unsigned long address) +{ + pte_t *new = kmem_cache_alloc(huge_pgtable_cache, + GFP_KERNEL|__GFP_REPEAT); + + if (! new) + return -ENOMEM; + + spin_lock(&mm->page_table_lock); + if (!hugepd_none(*hpdp)) + kmem_cache_free(huge_pgtable_cache, new); + else + hpdp->pd = (unsigned long)new | HUGEPD_OK; + spin_unlock(&mm->page_table_lock); + return 0; +} + /* Modelled after find_linux_pte() */ pte_t *huge_pte_offset(struct mm_struct *mm, unsigned long addr) { pgd_t *pg; pud_t *pu; - pmd_t *pm; - pte_t *pt; BUG_ON(! in_hugepage_area(mm->context, addr)); @@ -46,26 +99,14 @@ pte_t *huge_pte_offset(struct mm_struct *mm, unsigned long addr) if (!pgd_none(*pg)) { pu = pud_offset(pg, addr); if (!pud_none(*pu)) { - pm = pmd_offset(pu, addr); #ifdef CONFIG_PPC_64K_PAGES - /* Currently, we use the normal PTE offset within full - * size PTE pages, thus our huge PTEs are scattered in - * the PTE page and we do waste some. We may change - * that in the future, but the current mecanism keeps - * things much simpler - */ - if (!pmd_none(*pm)) { - /* Note: pte_offset_* are all equivalent on - * ppc64 as we don't have HIGHMEM - */ - pt = pte_offset_kernel(pm, addr); - return pt; - } -#else /* CONFIG_PPC_64K_PAGES */ - /* On 4k pages, we put huge PTEs in the PMD page */ - pt = (pte_t *)pm; - return pt; -#endif /* CONFIG_PPC_64K_PAGES */ + pmd_t *pm; + pm = pmd_offset(pu, addr); + if (!pmd_none(*pm)) + return hugepte_offset((hugepd_t *)pm, addr); +#else + return hugepte_offset((hugepd_t *)pu, addr); +#endif } } @@ -76,8 +117,7 @@ pte_t *huge_pte_alloc(struct mm_struct *mm, unsigned long addr) { pgd_t *pg; pud_t *pu; - pmd_t *pm; - pte_t *pt; + hugepd_t *hpdp = NULL; BUG_ON(! in_hugepage_area(mm->context, addr)); @@ -87,23 +127,182 @@ pte_t *huge_pte_alloc(struct mm_struct *mm, unsigned long addr) pu = pud_alloc(mm, pg, addr); if (pu) { +#ifdef CONFIG_PPC_64K_PAGES + pmd_t *pm; pm = pmd_alloc(mm, pu, addr); - if (pm) { + if (pm) + hpdp = (hugepd_t *)pm; +#else + hpdp = (hugepd_t *)pu; +#endif + } + + if (! hpdp) + return NULL; + + if (hugepd_none(*hpdp) && __hugepte_alloc(mm, hpdp, addr)) + return NULL; + + return hugepte_offset(hpdp, addr); +} + +static void free_hugepte_range(struct mmu_gather *tlb, hugepd_t *hpdp) +{ + pte_t *hugepte = hugepd_page(*hpdp); + + hpdp->pd = 0; + tlb->need_flush = 1; + pgtable_free_tlb(tlb, pgtable_free_cache(hugepte, HUGEPTE_CACHE_NUM, + HUGEPTE_TABLE_SIZE-1)); +} + #ifdef CONFIG_PPC_64K_PAGES - /* See comment in huge_pte_offset. Note that if we ever - * want to put the page size in the PMD, we would have - * to open code our own pte_alloc* function in order - * to populate and set the size atomically - */ - pt = pte_alloc_map(mm, pm, addr); -#else /* CONFIG_PPC_64K_PAGES */ - pt = (pte_t *)pm; -#endif /* CONFIG_PPC_64K_PAGES */ - return pt; - } +static void hugetlb_free_pmd_range(struct mmu_gather *tlb, pud_t *pud, + unsigned long addr, unsigned long end, + unsigned long floor, unsigned long ceiling) +{ + pmd_t *pmd; + unsigned long next; + unsigned long start; + + start = addr; + pmd = pmd_offset(pud, addr); + do { + next = pmd_addr_end(addr, end); + if (pmd_none(*pmd)) + continue; + free_hugepte_range(tlb, (hugepd_t *)pmd); + } while (pmd++, addr = next, addr != end); + + start &= PUD_MASK; + if (start < floor) + return; + if (ceiling) { + ceiling &= PUD_MASK; + if (!ceiling) + return; } + if (end - 1 > ceiling - 1) + return; - return NULL; + pmd = pmd_offset(pud, start); + pud_clear(pud); + pmd_free_tlb(tlb, pmd); +} +#endif + +static void hugetlb_free_pud_range(struct mmu_gather *tlb, pgd_t *pgd, + unsigned long addr, unsigned long end, + unsigned long floor, unsigned long ceiling) +{ + pud_t *pud; + unsigned long next; + unsigned long start; + + start = addr; + pud = pud_offset(pgd, addr); + do { + next = pud_addr_end(addr, end); +#ifdef CONFIG_PPC_64K_PAGES + if (pud_none_or_clear_bad(pud)) + continue; + hugetlb_free_pmd_range(tlb, pud, addr, next, floor, ceiling); +#else + if (pud_none(*pud)) + continue; + free_hugepte_range(tlb, (hugepd_t *)pud); +#endif + } while (pud++, addr = next, addr != end); + + start &= PGDIR_MASK; + if (start < floor) + return; + if (ceiling) { + ceiling &= PGDIR_MASK; + if (!ceiling) + return; + } + if (end - 1 > ceiling - 1) + return; + + pud = pud_offset(pgd, start); + pgd_clear(pgd); + pud_free_tlb(tlb, pud); +} + +/* + * This function frees user-level page tables of a process. + * + * Must be called with pagetable lock held. + */ +void hugetlb_free_pgd_range(struct mmu_gather **tlb, + unsigned long addr, unsigned long end, + unsigned long floor, unsigned long ceiling) +{ + pgd_t *pgd; + unsigned long next; + unsigned long start; + + /* + * Comments below take from the normal free_pgd_range(). They + * apply here too. The tests against HUGEPD_MASK below are + * essential, because we *don't* test for this at the bottom + * level. Without them we'll attempt to free a hugepte table + * when we unmap just part of it, even if there are other + * active mappings using it. + * + * The next few lines have given us lots of grief... + * + * Why are we testing HUGEPD* at this top level? Because + * often there will be no work to do at all, and we'd prefer + * not to go all the way down to the bottom just to discover + * that. + * + * Why all these "- 1"s? Because 0 represents both the bottom + * of the address space and the top of it (using -1 for the + * top wouldn't help much: the masks would do the wrong thing). + * The rule is that addr 0 and floor 0 refer to the bottom of + * the address space, but end 0 and ceiling 0 refer to the top + * Comparisons need to use "end - 1" and "ceiling - 1" (though + * that end 0 case should be mythical). + * + * Wherever addr is brought up or ceiling brought down, we + * must be careful to reject "the opposite 0" before it + * confuses the subsequent tests. But what about where end is + * brought down by HUGEPD_SIZE below? no, end can't go down to + * 0 there. + * + * Whereas we round start (addr) and ceiling down, by different + * masks at different levels, in order to test whether a table + * now has no other vmas using it, so can be freed, we don't + * bother to round floor or end up - the tests don't need that. + */ + + addr &= HUGEPD_MASK; + if (addr < floor) { + addr += HUGEPD_SIZE; + if (!addr) + return; + } + if (ceiling) { + ceiling &= HUGEPD_MASK; + if (!ceiling) + return; + } + if (end - 1 > ceiling - 1) + end -= HUGEPD_SIZE; + if (addr > end - 1) + return; + + start = addr; + pgd = pgd_offset((*tlb)->mm, addr); + do { + BUG_ON(! in_hugepage_area((*tlb)->mm->context, addr)); + next = pgd_addr_end(addr, end); + if (pgd_none_or_clear_bad(pgd)) + continue; + hugetlb_free_pud_range(*tlb, pgd, addr, next, floor, ceiling); + } while (pgd++, addr = next, addr != end); } void set_huge_pte_at(struct mm_struct *mm, unsigned long addr, @@ -841,3 +1040,27 @@ repeat: out: return err; } + +static void zero_ctor(void *addr, kmem_cache_t *cache, unsigned long flags) +{ + memset(addr, 0, kmem_cache_size(cache)); +} + +static int __init hugetlbpage_init(void) +{ + if (!cpu_has_feature(CPU_FTR_16M_PAGE)) + return -ENODEV; + + huge_pgtable_cache = kmem_cache_create("hugepte_cache", + HUGEPTE_TABLE_SIZE, + HUGEPTE_TABLE_SIZE, + SLAB_HWCACHE_ALIGN | + SLAB_MUST_HWCACHE_ALIGN, + zero_ctor, NULL); + if (! huge_pgtable_cache) + panic("hugetlbpage_init(): could not create hugepte cache\n"); + + return 0; +} + +module_init(hugetlbpage_init); diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c index babebd15bdc..9e30f968c18 100644 --- a/arch/powerpc/mm/init_64.c +++ b/arch/powerpc/mm/init_64.c @@ -162,7 +162,14 @@ static const char *pgtable_cache_name[ARRAY_SIZE(pgtable_cache_size)] = { }; #endif /* CONFIG_PPC_64K_PAGES */ +#ifdef CONFIG_HUGETLB_PAGE +/* Hugepages need one extra cache, initialized in hugetlbpage.c. We + * can't put into the tables above, because HPAGE_SHIFT is not compile + * time constant. */ +kmem_cache_t *pgtable_cache[ARRAY_SIZE(pgtable_cache_size)+1]; +#else kmem_cache_t *pgtable_cache[ARRAY_SIZE(pgtable_cache_size)]; +#endif void pgtable_cache_init(void) { diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c index 0a335f34974..092355f3739 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -194,7 +194,7 @@ static int *of_get_associativity(struct device_node *dev) /* Returns nid in the range [0..MAX_NUMNODES-1], or -1 if no useful numa * info is found. */ -static int of_node_to_nid(struct device_node *device) +static int of_node_to_nid_single(struct device_node *device) { int nid = -1; unsigned int *tmp; @@ -216,6 +216,28 @@ out: return nid; } +/* Walk the device tree upwards, looking for an associativity id */ +int of_node_to_nid(struct device_node *device) +{ + struct device_node *tmp; + int nid = -1; + + of_node_get(device); + while (device) { + nid = of_node_to_nid_single(device); + if (nid != -1) + break; + + tmp = device; + device = of_get_parent(tmp); + of_node_put(tmp); + } + of_node_put(device); + + return nid; +} +EXPORT_SYMBOL_GPL(of_node_to_nid); + /* * In theory, the "ibm,associativity" property may contain multiple * associativity lists because a resource may be multiply connected @@ -300,7 +322,7 @@ static int __cpuinit numa_setup_cpu(unsigned long lcpu) goto out; } - nid = of_node_to_nid(cpu); + nid = of_node_to_nid_single(cpu); if (nid < 0 || !node_online(nid)) nid = any_online_node(NODE_MASK_ALL); @@ -393,7 +415,7 @@ static int __init parse_numa_properties(void) cpu = find_cpu_node(i); BUG_ON(!cpu); - nid = of_node_to_nid(cpu); + nid = of_node_to_nid_single(cpu); of_node_put(cpu); /* @@ -437,7 +459,7 @@ new_range: * have associativity properties. If none, then * everything goes to default_nid. */ - nid = of_node_to_nid(memory); + nid = of_node_to_nid_single(memory); if (nid < 0) nid = default_nid; node_set_online(nid); @@ -776,7 +798,7 @@ int hot_add_scn_to_nid(unsigned long scn_addr) ha_new_range: start = read_n_cells(n_mem_addr_cells, &memcell_buf); size = read_n_cells(n_mem_size_cells, &memcell_buf); - nid = of_node_to_nid(memory); + nid = of_node_to_nid_single(memory); /* Domains not present at boot default to 0 */ if (nid < 0 || !node_online(nid)) diff --git a/arch/powerpc/platforms/cell/Kconfig b/arch/powerpc/platforms/cell/Kconfig index c2a3db8edb0..6a02d51086c 100644 --- a/arch/powerpc/platforms/cell/Kconfig +++ b/arch/powerpc/platforms/cell/Kconfig @@ -12,7 +12,8 @@ config SPU_FS config SPUFS_MMAP bool - depends on SPU_FS && SPARSEMEM && !PPC_64K_PAGES + depends on SPU_FS && SPARSEMEM + select MEMORY_HOTPLUG default y endmenu diff --git a/arch/powerpc/platforms/cell/setup.c b/arch/powerpc/platforms/cell/setup.c index dac5d0365fd..6574b22b3cf 100644 --- a/arch/powerpc/platforms/cell/setup.c +++ b/arch/powerpc/platforms/cell/setup.c @@ -29,6 +29,8 @@ #include <linux/seq_file.h> #include <linux/root_dev.h> #include <linux/console.h> +#include <linux/mutex.h> +#include <linux/memory_hotplug.h> #include <asm/mmu.h> #include <asm/processor.h> @@ -46,6 +48,7 @@ #include <asm/cputable.h> #include <asm/ppc-pci.h> #include <asm/irq.h> +#include <asm/spu.h> #include "interrupt.h" #include "iommu.h" @@ -69,77 +72,6 @@ static void cell_show_cpuinfo(struct seq_file *m) of_node_put(root); } -#ifdef CONFIG_SPARSEMEM -static int __init find_spu_node_id(struct device_node *spe) -{ - unsigned int *id; -#ifdef CONFIG_NUMA - struct device_node *cpu; - cpu = spe->parent->parent; - id = (unsigned int *)get_property(cpu, "node-id", NULL); -#else - id = NULL; -#endif - return id ? *id : 0; -} - -static void __init cell_spuprop_present(struct device_node *spe, - const char *prop, int early) -{ - struct address_prop { - unsigned long address; - unsigned int len; - } __attribute__((packed)) *p; - int proplen; - - unsigned long start_pfn, end_pfn, pfn; - int node_id; - - p = (void*)get_property(spe, prop, &proplen); - WARN_ON(proplen != sizeof (*p)); - - node_id = find_spu_node_id(spe); - - start_pfn = p->address >> PAGE_SHIFT; - end_pfn = (p->address + p->len + PAGE_SIZE - 1) >> PAGE_SHIFT; - - /* We need to call memory_present *before* the call to sparse_init, - but we can initialize the page structs only *after* that call. - Thus, we're being called twice. */ - if (early) - memory_present(node_id, start_pfn, end_pfn); - else { - /* As the pages backing SPU LS and I/O are outside the range - of regular memory, their page structs were not initialized - by free_area_init. Do it here instead. */ - for (pfn = start_pfn; pfn < end_pfn; pfn++) { - struct page *page = pfn_to_page(pfn); - set_page_links(page, ZONE_DMA, node_id, pfn); - init_page_count(page); - reset_page_mapcount(page); - SetPageReserved(page); - INIT_LIST_HEAD(&page->lru); - } - } -} - -static void __init cell_spumem_init(int early) -{ - struct device_node *node; - for (node = of_find_node_by_type(NULL, "spe"); - node; node = of_find_node_by_type(node, "spe")) { - cell_spuprop_present(node, "local-store", early); - cell_spuprop_present(node, "problem", early); - cell_spuprop_present(node, "priv1", early); - cell_spuprop_present(node, "priv2", early); - } -} -#else -static void __init cell_spumem_init(int early) -{ -} -#endif - static void cell_progress(char *s, unsigned short hex) { printk("*** %04x : %s\n", hex, s ? s : ""); @@ -172,8 +104,6 @@ static void __init cell_setup_arch(void) #endif mmio_nvram_init(); - - cell_spumem_init(0); } /* @@ -189,8 +119,6 @@ static void __init cell_init_early(void) ppc64_interrupt_controller = IC_CELL_PIC; - cell_spumem_init(1); - DBG(" <- cell_init_early()\n"); } diff --git a/arch/powerpc/platforms/cell/spu_base.c b/arch/powerpc/platforms/cell/spu_base.c index 269dda4fd0b..ad141fe8d52 100644 --- a/arch/powerpc/platforms/cell/spu_base.c +++ b/arch/powerpc/platforms/cell/spu_base.c @@ -306,19 +306,19 @@ spu_request_irqs(struct spu *spu) snprintf(spu->irq_c0, sizeof (spu->irq_c0), "spe%02d.0", spu->number); ret = request_irq(irq_base + spu->isrc, - spu_irq_class_0, 0, spu->irq_c0, spu); + spu_irq_class_0, SA_INTERRUPT, spu->irq_c0, spu); if (ret) goto out; snprintf(spu->irq_c1, sizeof (spu->irq_c1), "spe%02d.1", spu->number); ret = request_irq(irq_base + IIC_CLASS_STRIDE + spu->isrc, - spu_irq_class_1, 0, spu->irq_c1, spu); + spu_irq_class_1, SA_INTERRUPT, spu->irq_c1, spu); if (ret) goto out1; snprintf(spu->irq_c2, sizeof (spu->irq_c2), "spe%02d.2", spu->number); ret = request_irq(irq_base + 2*IIC_CLASS_STRIDE + spu->isrc, - spu_irq_class_2, 0, spu->irq_c2, spu); + spu_irq_class_2, SA_INTERRUPT, spu->irq_c2, spu); if (ret) goto out2; goto out; @@ -487,10 +487,14 @@ int spu_irq_class_1_bottom(struct spu *spu) ea = spu->dar; dsisr = spu->dsisr; if (dsisr & (MFC_DSISR_PTE_NOT_FOUND | MFC_DSISR_ACCESS_DENIED)) { + u64 flags; + access = (_PAGE_PRESENT | _PAGE_USER); access |= (dsisr & MFC_DSISR_ACCESS_PUT) ? _PAGE_RW : 0UL; + local_irq_save(flags); if (hash_page(ea, access, 0x300) != 0) error |= CLASS1_ENABLE_STORAGE_FAULT_INTR; + local_irq_restore(flags); } if (error & CLASS1_ENABLE_STORAGE_FAULT_INTR) { if ((ret = spu_handle_mm_fault(spu)) != 0) @@ -516,8 +520,50 @@ void spu_irq_setaffinity(struct spu *spu, int cpu) } EXPORT_SYMBOL_GPL(spu_irq_setaffinity); -static void __iomem * __init map_spe_prop(struct device_node *n, - const char *name) +static int __init find_spu_node_id(struct device_node *spe) +{ + unsigned int *id; + struct device_node *cpu; + cpu = spe->parent->parent; + id = (unsigned int *)get_property(cpu, "node-id", NULL); + return id ? *id : 0; +} + +static int __init cell_spuprop_present(struct spu *spu, struct device_node *spe, + const char *prop) +{ + static DEFINE_MUTEX(add_spumem_mutex); + + struct address_prop { + unsigned long address; + unsigned int len; + } __attribute__((packed)) *p; + int proplen; + + unsigned long start_pfn, nr_pages; + struct pglist_data *pgdata; + struct zone *zone; + int ret; + + p = (void*)get_property(spe, prop, &proplen); + WARN_ON(proplen != sizeof (*p)); + + start_pfn = p->address >> PAGE_SHIFT; + nr_pages = ((unsigned long)p->len + PAGE_SIZE - 1) >> PAGE_SHIFT; + + pgdata = NODE_DATA(spu->nid); + zone = pgdata->node_zones; + + /* XXX rethink locking here */ + mutex_lock(&add_spumem_mutex); + ret = __add_pages(zone, start_pfn, nr_pages); + mutex_unlock(&add_spumem_mutex); + + return ret; +} + +static void __iomem * __init map_spe_prop(struct spu *spu, + struct device_node *n, const char *name) { struct address_prop { unsigned long address; @@ -526,6 +572,8 @@ static void __iomem * __init map_spe_prop(struct device_node *n, void *p; int proplen; + void* ret = NULL; + int err = 0; p = get_property(n, name, &proplen); if (proplen != sizeof (struct address_prop)) @@ -533,7 +581,14 @@ static void __iomem * __init map_spe_prop(struct device_node *n, prop = p; - return ioremap(prop->address, prop->len); + err = cell_spuprop_present(spu, n, name); + if (err && (err != -EEXIST)) + goto out; + + ret = ioremap(prop->address, prop->len); + + out: + return ret; } static void spu_unmap(struct spu *spu) @@ -544,44 +599,45 @@ static void spu_unmap(struct spu *spu) iounmap((u8 __iomem *)spu->local_store); } -static int __init spu_map_device(struct spu *spu, struct device_node *spe) +static int __init spu_map_device(struct spu *spu, struct device_node *node) { char *prop; int ret; ret = -ENODEV; - prop = get_property(spe, "isrc", NULL); + prop = get_property(node, "isrc", NULL); if (!prop) goto out; spu->isrc = *(unsigned int *)prop; - spu->name = get_property(spe, "name", NULL); + spu->name = get_property(node, "name", NULL); if (!spu->name) goto out; - prop = get_property(spe, "local-store", NULL); + prop = get_property(node, "local-store", NULL); if (!prop) goto out; spu->local_store_phys = *(unsigned long *)prop; /* we use local store as ram, not io memory */ - spu->local_store = (void __force *)map_spe_prop(spe, "local-store"); + spu->local_store = (void __force *) + map_spe_prop(spu, node, "local-store"); if (!spu->local_store) goto out; - prop = get_property(spe, "problem", NULL); + prop = get_property(node, "problem", NULL); if (!prop) goto out_unmap; spu->problem_phys = *(unsigned long *)prop; - spu->problem= map_spe_prop(spe, "problem"); + spu->problem= map_spe_prop(spu, node, "problem"); if (!spu->problem) goto out_unmap; - spu->priv1= map_spe_prop(spe, "priv1"); + spu->priv1= map_spe_prop(spu, node, "priv1"); /* priv1 is not available on a hypervisor */ - spu->priv2= map_spe_prop(spe, "priv2"); + spu->priv2= map_spe_prop(spu, node, "priv2"); if (!spu->priv2) goto out_unmap; ret = 0; @@ -593,17 +649,6 @@ out: return ret; } -static int __init find_spu_node_id(struct device_node *spe) -{ - unsigned int *id; - struct device_node *cpu; - - cpu = spe->parent->parent; - id = (unsigned int *)get_property(cpu, "node-id", NULL); - - return id ? *id : 0; -} - static int __init create_spu(struct device_node *spe) { struct spu *spu; @@ -620,6 +665,10 @@ static int __init create_spu(struct device_node *spe) goto out_free; spu->node = find_spu_node_id(spe); + spu->nid = of_node_to_nid(spe); + if (spu->nid == -1) + spu->nid = 0; + spu->stop_code = 0; spu->slb_replace = 0; spu->mm = NULL; diff --git a/arch/powerpc/platforms/cell/spu_callbacks.c b/arch/powerpc/platforms/cell/spu_callbacks.c index 6594bec7388..95b36430aa0 100644 --- a/arch/powerpc/platforms/cell/spu_callbacks.c +++ b/arch/powerpc/platforms/cell/spu_callbacks.c @@ -317,17 +317,30 @@ void *spu_syscall_table[] = { [__NR_ppoll] sys_ni_syscall, /* sys_ppoll */ [__NR_unshare] sys_unshare, [__NR_splice] sys_splice, + [__NR_tee] sys_tee, + [__NR_vmsplice] sys_vmsplice, + [__NR_openat] sys_openat, + [__NR_mkdirat] sys_mkdirat, + [__NR_mknodat] sys_mknodat, + [__NR_fchownat] sys_fchownat, + [__NR_futimesat] sys_futimesat, + [__NR_newfstatat] sys_newfstatat, + [__NR_unlinkat] sys_unlinkat, + [__NR_renameat] sys_renameat, + [__NR_linkat] sys_linkat, + [__NR_symlinkat] sys_symlinkat, + [__NR_readlinkat] sys_readlinkat, + [__NR_fchmodat] sys_fchmodat, + [__NR_faccessat] sys_faccessat, }; 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) { + if (s->nr_ret >= ARRAY_SIZE(spu_syscall_table)) { pr_debug("%s: invalid syscall #%ld", __FUNCTION__, s->nr_ret); return -ENOSYS; } diff --git a/arch/powerpc/platforms/cell/spufs/switch.c b/arch/powerpc/platforms/cell/spufs/switch.c index 97898d5d34e..1726bfe38ee 100644 --- a/arch/powerpc/platforms/cell/spufs/switch.c +++ b/arch/powerpc/platforms/cell/spufs/switch.c @@ -1297,7 +1297,7 @@ static inline void setup_decr(struct spu_state *csa, struct spu *spu) cycles_t resume_time = get_cycles(); cycles_t delta_time = resume_time - csa->suspend_time; - csa->lscsa->decr.slot[0] = delta_time; + csa->lscsa->decr.slot[0] -= delta_time; } } diff --git a/arch/powerpc/platforms/chrp/chrp.h b/arch/powerpc/platforms/chrp/chrp.h index 63f0aee4c15..996c28744e9 100644 --- a/arch/powerpc/platforms/chrp/chrp.h +++ b/arch/powerpc/platforms/chrp/chrp.h @@ -9,3 +9,4 @@ extern long chrp_time_init(void); extern void chrp_find_bridges(void); extern void chrp_event_scan(unsigned long); +extern void chrp_pcibios_fixup(void); diff --git a/arch/powerpc/platforms/chrp/pci.c b/arch/powerpc/platforms/chrp/pci.c index 8ef279ad36a..ac224876ce5 100644 --- a/arch/powerpc/platforms/chrp/pci.c +++ b/arch/powerpc/platforms/chrp/pci.c @@ -23,6 +23,8 @@ #include <asm/grackle.h> #include <asm/rtas.h> +#include "chrp.h" + /* LongTrail */ void __iomem *gg2_pci_config_base; @@ -314,6 +316,6 @@ chrp_find_bridges(void) } /* Do not fixup interrupts from OF tree on pegasos */ - if (is_pegasos == 0) - ppc_md.pcibios_fixup = chrp_pcibios_fixup; + if (is_pegasos) + ppc_md.pcibios_fixup = NULL; } diff --git a/arch/powerpc/platforms/chrp/setup.c b/arch/powerpc/platforms/chrp/setup.c index 23a20171870..18d89f38796 100644 --- a/arch/powerpc/platforms/chrp/setup.c +++ b/arch/powerpc/platforms/chrp/setup.c @@ -440,8 +440,6 @@ void __init chrp_init_IRQ(void) if (_chrp_type == _CHRP_Pegasos) ppc_md.get_irq = i8259_irq; - else - ppc_md.get_irq = mpic_get_irq; #if defined(CONFIG_VT) && defined(CONFIG_INPUT_ADBHID) && defined(XMON) /* see if there is a keyboard in the device tree @@ -528,26 +526,24 @@ static int __init chrp_probe(void) /* Assume we have an 8259... */ __irq_offset_value = NUM_ISA_INTERRUPTS; - ppc_md.setup_arch = chrp_setup_arch; - ppc_md.show_cpuinfo = chrp_show_cpuinfo; - - ppc_md.init_IRQ = chrp_init_IRQ; - ppc_md.init = chrp_init2; - - ppc_md.phys_mem_access_prot = pci_phys_mem_access_prot; - - ppc_md.restart = rtas_restart; - ppc_md.power_off = rtas_power_off; - ppc_md.halt = rtas_halt; - - ppc_md.time_init = chrp_time_init; - ppc_md.calibrate_decr = generic_calibrate_decr; - - /* this may get overridden with rtas routines later... */ - ppc_md.set_rtc_time = chrp_set_rtc_time; - ppc_md.get_rtc_time = chrp_get_rtc_time; - -#ifdef CONFIG_SMP - smp_ops = &chrp_smp_ops; -#endif /* CONFIG_SMP */ + return 1; } + +define_machine(chrp) { + .name = "CHRP", + .probe = chrp_probe, + .setup_arch = chrp_setup_arch, + .init = chrp_init2, + .show_cpuinfo = chrp_show_cpuinfo, + .init_IRQ = chrp_init_IRQ, + .get_irq = mpic_get_irq, + .pcibios_fixup = chrp_pcibios_fixup, + .restart = rtas_restart, + .power_off = rtas_power_off, + .halt = rtas_halt, + .time_init = chrp_time_init, + .set_rtc_time = chrp_set_rtc_time, + .get_rtc_time = chrp_get_rtc_time, + .calibrate_decr = generic_calibrate_decr, + .phys_mem_access_prot = pci_phys_mem_access_prot, +}; diff --git a/arch/powerpc/platforms/iseries/setup.c b/arch/powerpc/platforms/iseries/setup.c index 6ce8a404ba6..a6fd9bedb07 100644 --- a/arch/powerpc/platforms/iseries/setup.c +++ b/arch/powerpc/platforms/iseries/setup.c @@ -54,6 +54,7 @@ #include <asm/iseries/hv_lp_event.h> #include <asm/iseries/lpar_map.h> #include <asm/udbg.h> +#include <asm/irq.h> #include "naca.h" #include "setup.h" @@ -684,6 +685,12 @@ static int __init iseries_probe(void) powerpc_firmware_features |= FW_FEATURE_ISERIES; powerpc_firmware_features |= FW_FEATURE_LPAR; + /* + * The Hypervisor only allows us up to 256 interrupt + * sources (the irq number is passed in a u8). + */ + virt_irq_max = 255; + return 1; } diff --git a/arch/powerpc/platforms/powermac/low_i2c.c b/arch/powerpc/platforms/powermac/low_i2c.c index e14f9ac55cf..df2343e1956 100644 --- a/arch/powerpc/platforms/powermac/low_i2c.c +++ b/arch/powerpc/platforms/powermac/low_i2c.c @@ -231,6 +231,14 @@ static u8 kw_i2c_wait_interrupt(struct pmac_i2c_host_kw *host) return isr; } +static void kw_i2c_do_stop(struct pmac_i2c_host_kw *host, int result) +{ + kw_write_reg(reg_control, KW_I2C_CTL_STOP); + host->state = state_stop; + host->result = result; +} + + static void kw_i2c_handle_interrupt(struct pmac_i2c_host_kw *host, u8 isr) { u8 ack; @@ -246,42 +254,36 @@ static void kw_i2c_handle_interrupt(struct pmac_i2c_host_kw *host, u8 isr) } if (isr == 0) { + printk(KERN_WARNING "low_i2c: Timeout in i2c transfer" + " on keywest !\n"); if (host->state != state_stop) { - DBG_LOW("KW: Timeout !\n"); - host->result = -EIO; - goto stop; - } - if (host->state == state_stop) { - ack = kw_read_reg(reg_status); - if (ack & KW_I2C_STAT_BUSY) - kw_write_reg(reg_status, 0); - host->state = state_idle; - kw_write_reg(reg_ier, 0x00); - if (!host->polled) - complete(&host->complete); + kw_i2c_do_stop(host, -EIO); + return; } + ack = kw_read_reg(reg_status); + if (ack & KW_I2C_STAT_BUSY) + kw_write_reg(reg_status, 0); + host->state = state_idle; + kw_write_reg(reg_ier, 0x00); + if (!host->polled) + complete(&host->complete); return; } if (isr & KW_I2C_IRQ_ADDR) { ack = kw_read_reg(reg_status); if (host->state != state_addr) { - kw_write_reg(reg_isr, KW_I2C_IRQ_ADDR); WRONG_STATE("KW_I2C_IRQ_ADDR"); - host->result = -EIO; - goto stop; + kw_i2c_do_stop(host, -EIO); } if ((ack & KW_I2C_STAT_LAST_AAK) == 0) { - host->result = -ENODEV; - DBG_LOW("KW: NAK on address\n"); + host->result = -ENXIO; host->state = state_stop; - return; + DBG_LOW("KW: NAK on address\n"); } else { - if (host->len == 0) { - kw_write_reg(reg_isr, KW_I2C_IRQ_ADDR); - goto stop; - } - if (host->rw) { + if (host->len == 0) + kw_i2c_do_stop(host, 0); + else if (host->rw) { host->state = state_read; if (host->len > 1) kw_write_reg(reg_control, @@ -308,25 +310,19 @@ static void kw_i2c_handle_interrupt(struct pmac_i2c_host_kw *host, u8 isr) ack = kw_read_reg(reg_status); if ((ack & KW_I2C_STAT_LAST_AAK) == 0) { DBG_LOW("KW: nack on data write\n"); - host->result = -EIO; - goto stop; + host->result = -EFBIG; + host->state = state_stop; } else if (host->len) { kw_write_reg(reg_data, *(host->data++)); host->len--; - } else { - kw_write_reg(reg_control, KW_I2C_CTL_STOP); - host->state = state_stop; - host->result = 0; - } - kw_write_reg(reg_isr, KW_I2C_IRQ_DATA); + } else + kw_i2c_do_stop(host, 0); } else { - kw_write_reg(reg_isr, KW_I2C_IRQ_DATA); WRONG_STATE("KW_I2C_IRQ_DATA"); - if (host->state != state_stop) { - host->result = -EIO; - goto stop; - } + if (host->state != state_stop) + kw_i2c_do_stop(host, -EIO); } + kw_write_reg(reg_isr, KW_I2C_IRQ_DATA); } if (isr & KW_I2C_IRQ_STOP) { @@ -340,14 +336,10 @@ static void kw_i2c_handle_interrupt(struct pmac_i2c_host_kw *host, u8 isr) complete(&host->complete); } + /* Below should only happen in manual mode which we don't use ... */ if (isr & KW_I2C_IRQ_START) kw_write_reg(reg_isr, KW_I2C_IRQ_START); - return; - stop: - kw_write_reg(reg_control, KW_I2C_CTL_STOP); - host->state = state_stop; - return; } /* Interrupt handler */ @@ -544,11 +536,11 @@ static struct pmac_i2c_host_kw *__init kw_i2c_host_init(struct device_node *np) return NULL; } - /* Make sure IRA is disabled */ + /* Make sure IRQ is disabled */ kw_write_reg(reg_ier, 0); /* Request chip interrupt */ - if (request_irq(host->irq, kw_i2c_irq, SA_SHIRQ, "keywest i2c", host)) + if (request_irq(host->irq, kw_i2c_irq, 0, "keywest i2c", host)) host->irq = NO_IRQ; printk(KERN_INFO "KeyWest i2c @0x%08x irq %d %s\n", diff --git a/arch/powerpc/platforms/powermac/pci.c b/arch/powerpc/platforms/powermac/pci.c index f5d8d15d74f..ea179afea63 100644 --- a/arch/powerpc/platforms/powermac/pci.c +++ b/arch/powerpc/platforms/powermac/pci.c @@ -1097,7 +1097,7 @@ pmac_pci_enable_device_hook(struct pci_dev *dev, int initial) * (iBook second controller) */ if (dev->vendor == PCI_VENDOR_ID_APPLE - && (dev->class == ((PCI_CLASS_SERIAL_USB << 8) | 0x10)) + && dev->class == PCI_CLASS_SERIAL_USB_OHCI && !node) { printk(KERN_INFO "Apple USB OHCI %s disabled by firmware\n", pci_name(dev)); diff --git a/arch/powerpc/platforms/pseries/eeh.c b/arch/powerpc/platforms/pseries/eeh.c index 780fb27a009..32eaddfa547 100644 --- a/arch/powerpc/platforms/pseries/eeh.c +++ b/arch/powerpc/platforms/pseries/eeh.c @@ -957,8 +957,10 @@ static void eeh_remove_device(struct pci_dev *dev) pci_addr_cache_remove_device(dev); dn = pci_device_to_OF_node(dev); - PCI_DN(dn)->pcidev = NULL; - pci_dev_put (dev); + if (PCI_DN(dn)->pcidev) { + PCI_DN(dn)->pcidev = NULL; + pci_dev_put (dev); + } } void eeh_remove_bus_device(struct pci_dev *dev) diff --git a/arch/powerpc/platforms/pseries/rtasd.c b/arch/powerpc/platforms/pseries/rtasd.c index fcc4d561a23..e0000ce769e 100644 --- a/arch/powerpc/platforms/pseries/rtasd.c +++ b/arch/powerpc/platforms/pseries/rtasd.c @@ -488,7 +488,7 @@ static int __init rtas_init(void) /* No RTAS */ if (rtas_token("event-scan") == RTAS_UNKNOWN_SERVICE) { printk(KERN_INFO "rtasd: no event-scan on system\n"); - return 1; + return -ENODEV; } entry = create_proc_entry("ppc64/rtas/error_log", S_IRUSR, NULL); diff --git a/arch/powerpc/sysdev/dart_iommu.c b/arch/powerpc/sysdev/dart_iommu.c index 61d31742861..38087bd6e3c 100644 --- a/arch/powerpc/sysdev/dart_iommu.c +++ b/arch/powerpc/sysdev/dart_iommu.c @@ -49,6 +49,7 @@ #include "dart.h" +extern int iommu_is_off; extern int iommu_force_on; /* Physical base address and size of the DART table */ @@ -329,10 +330,17 @@ void iommu_init_early_dart(void) void __init alloc_dart_table(void) { - /* Only reserve DART space if machine has more than 2GB of RAM + /* Only reserve DART space if machine has more than 1GB of RAM * or if requested with iommu=on on cmdline. + * + * 1GB of RAM is picked as limit because some default devices + * (i.e. Airport Extreme) have 30 bit address range limits. */ - if (lmb_end_of_DRAM() <= 0x80000000ull && !iommu_force_on) + + if (iommu_is_off) + return; + + if (!iommu_force_on && lmb_end_of_DRAM() <= 0x40000000ull) return; /* 512 pages (2MB) is max DART tablesize. */ |