diff options
Diffstat (limited to 'arch')
278 files changed, 2133 insertions, 1311 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 44789ef..776d76b 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -220,8 +220,9 @@ config NEED_MACH_MEMORY_H be avoided when possible. config PHYS_OFFSET - hex "Physical address of main memory" + hex "Physical address of main memory" if MMU depends on !ARM_PATCH_PHYS_VIRT && !NEED_MACH_MEMORY_H + default DRAM_BASE if !MMU help Please provide the physical address corresponding to the location of main memory in your system. @@ -1231,7 +1232,7 @@ config ARM_ERRATA_742231 capabilities of the processor. config PL310_ERRATA_588369 - bool "Clean & Invalidate maintenance operations do not invalidate clean lines" + bool "PL310 errata: Clean & Invalidate maintenance operations do not invalidate clean lines" depends on CACHE_L2X0 help The PL310 L2 cache controller implements three types of Clean & @@ -1256,7 +1257,7 @@ config ARM_ERRATA_720789 entries regardless of the ASID. config PL310_ERRATA_727915 - bool "Background Clean & Invalidate by Way operation can cause data corruption" + bool "PL310 errata: Background Clean & Invalidate by Way operation can cause data corruption" depends on CACHE_L2X0 help PL310 implements the Clean & Invalidate by Way L2 cache maintenance @@ -1289,8 +1290,8 @@ config ARM_ERRATA_751472 operation is received by a CPU before the ICIALLUIS has completed, potentially leading to corrupted entries in the cache or TLB. -config ARM_ERRATA_753970 - bool "ARM errata: cache sync operation may be faulty" +config PL310_ERRATA_753970 + bool "PL310 errata: cache sync operation may be faulty" depends on CACHE_PL310 help This option enables the workaround for the 753970 PL310 (r3p0) erratum. @@ -1352,6 +1353,18 @@ config ARM_ERRATA_764369 relevant cache maintenance functions and sets a specific bit in the diagnostic control register of the SCU. +config PL310_ERRATA_769419 + bool "PL310 errata: no automatic Store Buffer drain" + depends on CACHE_L2X0 + help + On revisions of the PL310 prior to r3p2, the Store Buffer does + not automatically drain. This can cause normal, non-cacheable + writes to be retained when the memory system is idle, leading + to suboptimal I/O performance for drivers using coherent DMA. + This option adds a write barrier to the cpu_idle loop so that, + on systems with an outer cache, the store buffer is drained + explicitly. + endmenu source "arch/arm/common/Kconfig" diff --git a/arch/arm/boot/Makefile b/arch/arm/boot/Makefile index 176062a..5df26a9 100644 --- a/arch/arm/boot/Makefile +++ b/arch/arm/boot/Makefile @@ -65,6 +65,8 @@ $(obj)/%.dtb: $(src)/dts/%.dts $(obj)/dtbs: $(addprefix $(obj)/, $(dtb-y)) +clean-files := *.dtb + quiet_cmd_uimage = UIMAGE $@ cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A arm -O linux -T kernel \ -C none -a $(LOADADDR) -e $(STARTADDR) \ diff --git a/arch/arm/common/gic.c b/arch/arm/common/gic.c index 0e6ae47..410a546 100644 --- a/arch/arm/common/gic.c +++ b/arch/arm/common/gic.c @@ -526,7 +526,8 @@ static void __init gic_pm_init(struct gic_chip_data *gic) sizeof(u32)); BUG_ON(!gic->saved_ppi_conf); - cpu_pm_register_notifier(&gic_notifier_block); + if (gic == &gic_data[0]) + cpu_pm_register_notifier(&gic_notifier_block); } #else static void __init gic_pm_init(struct gic_chip_data *gic) @@ -581,13 +582,16 @@ void __init gic_init(unsigned int gic_nr, int irq_start, * For primary GICs, skip over SGIs. * For secondary GICs, skip over PPIs, too. */ + domain->hwirq_base = 32; if (gic_nr == 0) { gic_cpu_base_addr = cpu_base; - domain->hwirq_base = 16; - if (irq_start > 0) - irq_start = (irq_start & ~31) + 16; - } else - domain->hwirq_base = 32; + + if ((irq_start & 31) > 0) { + domain->hwirq_base = 16; + if (irq_start != -1) + irq_start = (irq_start & ~31) + 16; + } + } /* * Find out how many interrupts are supported. diff --git a/arch/arm/common/pl330.c b/arch/arm/common/pl330.c index 7129cfb..f407a6b 100644 --- a/arch/arm/common/pl330.c +++ b/arch/arm/common/pl330.c @@ -1211,8 +1211,8 @@ static inline u32 _prepare_ccr(const struct pl330_reqcfg *rqc) ccr |= (rqc->brst_size << CC_SRCBRSTSIZE_SHFT); ccr |= (rqc->brst_size << CC_DSTBRSTSIZE_SHFT); - ccr |= (rqc->dcctl << CC_SRCCCTRL_SHFT); - ccr |= (rqc->scctl << CC_DSTCCTRL_SHFT); + ccr |= (rqc->scctl << CC_SRCCCTRL_SHFT); + ccr |= (rqc->dcctl << CC_DSTCCTRL_SHFT); ccr |= (rqc->swap << CC_SWAP_SHFT); @@ -1623,6 +1623,11 @@ static inline int _alloc_event(struct pl330_thread *thrd) return -1; } +static bool _chan_ns(const struct pl330_info *pi, int i) +{ + return pi->pcfg.irq_ns & (1 << i); +} + /* Upon success, returns IdentityToken for the * allocated channel, NULL otherwise. */ @@ -1647,7 +1652,8 @@ void *pl330_request_channel(const struct pl330_info *pi) for (i = 0; i < chans; i++) { thrd = &pl330->channels[i]; - if (thrd->free) { + if ((thrd->free) && (!_manager_ns(thrd) || + _chan_ns(pi, i))) { thrd->ev = _alloc_event(thrd); if (thrd->ev >= 0) { thrd->free = false; diff --git a/arch/arm/configs/at91cap9adk_defconfig b/arch/arm/configs/at91cap9_defconfig index ffb1edd..8826eb2 100644 --- a/arch/arm/configs/at91cap9adk_defconfig +++ b/arch/arm/configs/at91cap9_defconfig @@ -38,7 +38,6 @@ CONFIG_IP_PNP_RARP=y # CONFIG_IPV6 is not set CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" CONFIG_MTD=y -CONFIG_MTD_PARTITIONS=y CONFIG_MTD_CMDLINE_PARTS=y CONFIG_MTD_CHAR=y CONFIG_MTD_BLOCK=y @@ -52,16 +51,12 @@ CONFIG_MTD_NAND_ATMEL=y CONFIG_BLK_DEV_LOOP=y CONFIG_BLK_DEV_RAM=y CONFIG_BLK_DEV_RAM_SIZE=8192 -CONFIG_ATMEL_SSC=y CONFIG_SCSI=y CONFIG_BLK_DEV_SD=y CONFIG_SCSI_MULTI_LUN=y CONFIG_NETDEVICES=y -CONFIG_NET_ETHERNET=y CONFIG_MII=y CONFIG_MACB=y -# CONFIG_NETDEV_1000 is not set -# CONFIG_NETDEV_10000 is not set # CONFIG_INPUT_MOUSEDEV_PSAUX is not set CONFIG_INPUT_EVDEV=y # CONFIG_INPUT_KEYBOARD is not set @@ -81,7 +76,6 @@ CONFIG_WATCHDOG=y CONFIG_WATCHDOG_NOWAYOUT=y CONFIG_FB=y CONFIG_FB_ATMEL=y -# CONFIG_VGA_CONSOLE is not set CONFIG_LOGO=y # CONFIG_LOGO_LINUX_MONO is not set # CONFIG_LOGO_LINUX_CLUT224 is not set @@ -99,7 +93,6 @@ CONFIG_MMC_AT91=m CONFIG_RTC_CLASS=y CONFIG_RTC_DRV_AT91SAM9=y CONFIG_EXT2_FS=y -CONFIG_INOTIFY=y CONFIG_VFAT_FS=y CONFIG_TMPFS=y CONFIG_JFFS2_FS=y diff --git a/arch/arm/configs/at91rm9200_defconfig b/arch/arm/configs/at91rm9200_defconfig index 38cb7c9..bbe4e1a 100644 --- a/arch/arm/configs/at91rm9200_defconfig +++ b/arch/arm/configs/at91rm9200_defconfig @@ -5,7 +5,6 @@ CONFIG_SYSVIPC=y CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y CONFIG_LOG_BUF_SHIFT=14 -CONFIG_SYSFS_DEPRECATED_V2=y CONFIG_BLK_DEV_INITRD=y CONFIG_MODULES=y CONFIG_MODULE_FORCE_LOAD=y @@ -56,7 +55,6 @@ CONFIG_IP_PNP=y CONFIG_IP_PNP_DHCP=y CONFIG_IP_PNP_BOOTP=y CONFIG_NET_IPIP=m -CONFIG_NET_IPGRE=m CONFIG_INET_AH=m CONFIG_INET_ESP=m CONFIG_INET_IPCOMP=m @@ -75,18 +73,8 @@ CONFIG_IPV6_TUNNEL=m CONFIG_BRIDGE=m CONFIG_VLAN_8021Q=m CONFIG_BT=m -CONFIG_BT_L2CAP=m -CONFIG_BT_SCO=m -CONFIG_BT_RFCOMM=m -CONFIG_BT_RFCOMM_TTY=y -CONFIG_BT_BNEP=m -CONFIG_BT_BNEP_MC_FILTER=y -CONFIG_BT_BNEP_PROTO_FILTER=y -CONFIG_BT_HIDP=m CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" CONFIG_MTD=y -CONFIG_MTD_CONCAT=y -CONFIG_MTD_PARTITIONS=y CONFIG_MTD_CMDLINE_PARTS=y CONFIG_MTD_AFS_PARTS=y CONFIG_MTD_CHAR=y @@ -108,8 +96,6 @@ CONFIG_BLK_DEV_LOOP=y CONFIG_BLK_DEV_NBD=y CONFIG_BLK_DEV_RAM=y CONFIG_BLK_DEV_RAM_SIZE=8192 -CONFIG_ATMEL_TCLIB=y -CONFIG_EEPROM_LEGACY=m CONFIG_SCSI=y CONFIG_BLK_DEV_SD=y CONFIG_BLK_DEV_SR=m @@ -119,14 +105,23 @@ CONFIG_SCSI_MULTI_LUN=y # CONFIG_SCSI_LOWLEVEL is not set CONFIG_NETDEVICES=y CONFIG_TUN=m +CONFIG_ARM_AT91_ETHER=y CONFIG_PHYLIB=y CONFIG_DAVICOM_PHY=y CONFIG_SMSC_PHY=y CONFIG_MICREL_PHY=y -CONFIG_NET_ETHERNET=y -CONFIG_ARM_AT91_ETHER=y -# CONFIG_NETDEV_1000 is not set -# CONFIG_NETDEV_10000 is not set +CONFIG_PPP=y +CONFIG_PPP_BSDCOMP=y +CONFIG_PPP_DEFLATE=y +CONFIG_PPP_FILTER=y +CONFIG_PPP_MPPE=m +CONFIG_PPP_MULTILINK=y +CONFIG_PPPOE=m +CONFIG_PPP_ASYNC=y +CONFIG_SLIP=m +CONFIG_SLIP_COMPRESSED=y +CONFIG_SLIP_SMART=y +CONFIG_SLIP_MODE_SLIP6=y CONFIG_USB_CATC=m CONFIG_USB_KAWETH=m CONFIG_USB_PEGASUS=m @@ -139,18 +134,6 @@ CONFIG_USB_NET_RNDIS_HOST=m CONFIG_USB_ALI_M5632=y CONFIG_USB_AN2720=y CONFIG_USB_EPSON2888=y -CONFIG_PPP=y -CONFIG_PPP_MULTILINK=y -CONFIG_PPP_FILTER=y -CONFIG_PPP_ASYNC=y -CONFIG_PPP_DEFLATE=y -CONFIG_PPP_BSDCOMP=y -CONFIG_PPP_MPPE=m -CONFIG_PPPOE=m -CONFIG_SLIP=m -CONFIG_SLIP_COMPRESSED=y -CONFIG_SLIP_SMART=y -CONFIG_SLIP_MODE_SLIP6=y # CONFIG_INPUT_MOUSEDEV_PSAUX is not set CONFIG_INPUT_MOUSEDEV_SCREEN_X=640 CONFIG_INPUT_MOUSEDEV_SCREEN_Y=480 @@ -158,9 +141,9 @@ CONFIG_INPUT_EVDEV=y CONFIG_KEYBOARD_GPIO=y # CONFIG_INPUT_MOUSE is not set CONFIG_INPUT_TOUCHSCREEN=y +CONFIG_LEGACY_PTY_COUNT=32 CONFIG_SERIAL_ATMEL=y CONFIG_SERIAL_ATMEL_CONSOLE=y -CONFIG_LEGACY_PTY_COUNT=32 CONFIG_HW_RANDOM=y CONFIG_I2C=y CONFIG_I2C_CHARDEV=y @@ -290,7 +273,6 @@ CONFIG_NFS_V3_ACL=y CONFIG_NFS_V4=y CONFIG_ROOT_NFS=y CONFIG_NFSD=y -CONFIG_SMB_FS=m CONFIG_CIFS=m CONFIG_PARTITION_ADVANCED=y CONFIG_MAC_PARTITION=y @@ -335,7 +317,6 @@ CONFIG_NLS_UTF8=y CONFIG_MAGIC_SYSRQ=y CONFIG_DEBUG_FS=y CONFIG_DEBUG_KERNEL=y -# CONFIG_RCU_CPU_STALL_DETECTOR is not set # CONFIG_FTRACE is not set CONFIG_CRYPTO_PCBC=y CONFIG_CRYPTO_SHA1=y diff --git a/arch/arm/configs/at91sam9260ek_defconfig b/arch/arm/configs/at91sam9260_defconfig index f8a9226..505b376 100644 --- a/arch/arm/configs/at91sam9260ek_defconfig +++ b/arch/arm/configs/at91sam9260_defconfig @@ -12,11 +12,23 @@ CONFIG_MODULE_UNLOAD=y # CONFIG_IOSCHED_CFQ is not set CONFIG_ARCH_AT91=y CONFIG_ARCH_AT91SAM9260=y +CONFIG_ARCH_AT91SAM9260_SAM9XE=y CONFIG_MACH_AT91SAM9260EK=y +CONFIG_MACH_CAM60=y +CONFIG_MACH_SAM9_L9260=y +CONFIG_MACH_AFEB9260=y +CONFIG_MACH_USB_A9260=y +CONFIG_MACH_QIL_A9260=y +CONFIG_MACH_CPU9260=y +CONFIG_MACH_FLEXIBITY=y +CONFIG_MACH_SNAPPER_9260=y +CONFIG_MACH_AT91SAM_DT=y CONFIG_AT91_PROGRAMMABLE_CLOCKS=y # CONFIG_ARM_THUMB is not set CONFIG_ZBOOT_ROM_TEXT=0x0 CONFIG_ZBOOT_ROM_BSS=0x0 +CONFIG_ARM_APPENDED_DTB=y +CONFIG_ARM_ATAG_DTB_COMPAT=y CONFIG_CMDLINE="mem=64M console=ttyS0,115200 initrd=0x21100000,3145728 root=/dev/ram0 rw" CONFIG_FPE_NWFPE=y CONFIG_NET=y @@ -33,12 +45,10 @@ CONFIG_IP_PNP_BOOTP=y CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" CONFIG_BLK_DEV_RAM=y CONFIG_BLK_DEV_RAM_SIZE=8192 -CONFIG_ATMEL_SSC=y CONFIG_SCSI=y CONFIG_BLK_DEV_SD=y CONFIG_SCSI_MULTI_LUN=y CONFIG_NETDEVICES=y -CONFIG_NET_ETHERNET=y CONFIG_MII=y CONFIG_MACB=y # CONFIG_INPUT_MOUSEDEV_PSAUX is not set @@ -55,7 +65,6 @@ CONFIG_I2C_GPIO=y CONFIG_WATCHDOG=y CONFIG_WATCHDOG_NOWAYOUT=y CONFIG_AT91SAM9X_WATCHDOG=y -# CONFIG_VGA_CONSOLE is not set # CONFIG_USB_HID is not set CONFIG_USB=y CONFIG_USB_DEVICEFS=y @@ -71,7 +80,6 @@ CONFIG_USB_G_SERIAL=m CONFIG_RTC_CLASS=y CONFIG_RTC_DRV_AT91SAM9=y CONFIG_EXT2_FS=y -CONFIG_INOTIFY=y CONFIG_VFAT_FS=y CONFIG_TMPFS=y CONFIG_CRAMFS=y diff --git a/arch/arm/configs/at91sam9g20ek_defconfig b/arch/arm/configs/at91sam9g20_defconfig index 9e90e6d..9123568 100644 --- a/arch/arm/configs/at91sam9g20ek_defconfig +++ b/arch/arm/configs/at91sam9g20_defconfig @@ -14,6 +14,15 @@ CONFIG_ARCH_AT91=y CONFIG_ARCH_AT91SAM9G20=y CONFIG_MACH_AT91SAM9G20EK=y CONFIG_MACH_AT91SAM9G20EK_2MMC=y +CONFIG_MACH_CPU9G20=y +CONFIG_MACH_ACMENETUSFOXG20=y +CONFIG_MACH_PORTUXG20=y +CONFIG_MACH_STAMP9G20=y +CONFIG_MACH_PCONTROL_G20=y +CONFIG_MACH_GSIA18S=y +CONFIG_MACH_USB_A9G20=y +CONFIG_MACH_SNAPPER_9260=y +CONFIG_MACH_AT91SAM_DT=y CONFIG_AT91_PROGRAMMABLE_CLOCKS=y # CONFIG_ARM_THUMB is not set CONFIG_AEABI=y @@ -21,9 +30,10 @@ CONFIG_LEDS=y CONFIG_LEDS_CPU=y CONFIG_ZBOOT_ROM_TEXT=0x0 CONFIG_ZBOOT_ROM_BSS=0x0 +CONFIG_ARM_APPENDED_DTB=y +CONFIG_ARM_ATAG_DTB_COMPAT=y CONFIG_CMDLINE="mem=64M console=ttyS0,115200 initrd=0x21100000,3145728 root=/dev/ram0 rw" CONFIG_FPE_NWFPE=y -CONFIG_PM=y CONFIG_NET=y CONFIG_PACKET=y CONFIG_UNIX=y @@ -37,8 +47,6 @@ CONFIG_IP_PNP_BOOTP=y # CONFIG_IPV6 is not set CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" CONFIG_MTD=y -CONFIG_MTD_CONCAT=y -CONFIG_MTD_PARTITIONS=y CONFIG_MTD_CMDLINE_PARTS=y CONFIG_MTD_CHAR=y CONFIG_MTD_BLOCK=y @@ -48,17 +56,13 @@ CONFIG_MTD_NAND_ATMEL=y CONFIG_BLK_DEV_LOOP=y CONFIG_BLK_DEV_RAM=y CONFIG_BLK_DEV_RAM_SIZE=8192 -CONFIG_ATMEL_SSC=y CONFIG_SCSI=y CONFIG_BLK_DEV_SD=y CONFIG_SCSI_MULTI_LUN=y # CONFIG_SCSI_LOWLEVEL is not set CONFIG_NETDEVICES=y -CONFIG_NET_ETHERNET=y CONFIG_MII=y CONFIG_MACB=y -# CONFIG_NETDEV_1000 is not set -# CONFIG_NETDEV_10000 is not set # CONFIG_INPUT_MOUSEDEV_PSAUX is not set CONFIG_INPUT_MOUSEDEV_SCREEN_X=320 CONFIG_INPUT_MOUSEDEV_SCREEN_Y=240 @@ -66,15 +70,14 @@ CONFIG_INPUT_EVDEV=y # CONFIG_KEYBOARD_ATKBD is not set CONFIG_KEYBOARD_GPIO=y # CONFIG_INPUT_MOUSE is not set +CONFIG_LEGACY_PTY_COUNT=16 CONFIG_SERIAL_ATMEL=y CONFIG_SERIAL_ATMEL_CONSOLE=y -CONFIG_LEGACY_PTY_COUNT=16 CONFIG_HW_RANDOM=y CONFIG_SPI=y CONFIG_SPI_ATMEL=y CONFIG_SPI_SPIDEV=y # CONFIG_HWMON is not set -# CONFIG_VGA_CONSOLE is not set CONFIG_SOUND=y CONFIG_SND=y CONFIG_SND_SEQUENCER=y @@ -82,7 +85,6 @@ CONFIG_SND_MIXER_OSS=y CONFIG_SND_PCM_OSS=y CONFIG_SND_SEQUENCER_OSS=y # CONFIG_SND_VERBOSE_PROCFS is not set -CONFIG_SND_AT73C213=y CONFIG_USB=y CONFIG_USB_DEVICEFS=y # CONFIG_USB_DEVICE_CLASS is not set @@ -105,7 +107,6 @@ CONFIG_LEDS_TRIGGER_HEARTBEAT=y CONFIG_RTC_CLASS=y CONFIG_RTC_DRV_AT91SAM9=y CONFIG_EXT2_FS=y -CONFIG_INOTIFY=y CONFIG_MSDOS_FS=y CONFIG_VFAT_FS=y CONFIG_TMPFS=y diff --git a/arch/arm/configs/at91sam9g45_defconfig b/arch/arm/configs/at91sam9g45_defconfig index c5876d2..606d48f 100644 --- a/arch/arm/configs/at91sam9g45_defconfig +++ b/arch/arm/configs/at91sam9g45_defconfig @@ -18,6 +18,7 @@ CONFIG_MODULE_UNLOAD=y CONFIG_ARCH_AT91=y CONFIG_ARCH_AT91SAM9G45=y CONFIG_MACH_AT91SAM9M10G45EK=y +CONFIG_MACH_AT91SAM_DT=y CONFIG_AT91_PROGRAMMABLE_CLOCKS=y CONFIG_AT91_SLOW_CLOCK=y CONFIG_AEABI=y @@ -73,11 +74,8 @@ CONFIG_SCSI_MULTI_LUN=y # CONFIG_SCSI_LOWLEVEL is not set CONFIG_NETDEVICES=y CONFIG_MII=y -CONFIG_DAVICOM_PHY=y -CONFIG_NET_ETHERNET=y CONFIG_MACB=y -# CONFIG_NETDEV_1000 is not set -# CONFIG_NETDEV_10000 is not set +CONFIG_DAVICOM_PHY=y CONFIG_LIBERTAS_THINFIRM=m CONFIG_LIBERTAS_THINFIRM_USB=m CONFIG_AT76C50X_USB=m @@ -131,7 +129,6 @@ CONFIG_I2C_GPIO=y CONFIG_SPI=y CONFIG_SPI_ATMEL=y # CONFIG_HWMON is not set -# CONFIG_MFD_SUPPORT is not set CONFIG_FB=y CONFIG_FB_ATMEL=y CONFIG_FB_UDL=m diff --git a/arch/arm/configs/at91sam9rlek_defconfig b/arch/arm/configs/at91sam9rl_defconfig index 75621e4..ad562ee 100644 --- a/arch/arm/configs/at91sam9rlek_defconfig +++ b/arch/arm/configs/at91sam9rl_defconfig @@ -23,8 +23,6 @@ CONFIG_NET=y CONFIG_UNIX=y CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" CONFIG_MTD=y -CONFIG_MTD_CONCAT=y -CONFIG_MTD_PARTITIONS=y CONFIG_MTD_CMDLINE_PARTS=y CONFIG_MTD_CHAR=y CONFIG_MTD_BLOCK=y @@ -35,7 +33,6 @@ CONFIG_BLK_DEV_LOOP=y CONFIG_BLK_DEV_RAM=y CONFIG_BLK_DEV_RAM_COUNT=4 CONFIG_BLK_DEV_RAM_SIZE=24576 -CONFIG_ATMEL_SSC=y CONFIG_SCSI=y CONFIG_BLK_DEV_SD=y CONFIG_SCSI_MULTI_LUN=y @@ -62,13 +59,11 @@ CONFIG_WATCHDOG_NOWAYOUT=y CONFIG_AT91SAM9X_WATCHDOG=y CONFIG_FB=y CONFIG_FB_ATMEL=y -# CONFIG_VGA_CONSOLE is not set CONFIG_MMC=y CONFIG_MMC_AT91=m CONFIG_RTC_CLASS=y CONFIG_RTC_DRV_AT91SAM9=y CONFIG_EXT2_FS=y -CONFIG_INOTIFY=y CONFIG_MSDOS_FS=y CONFIG_VFAT_FS=y CONFIG_TMPFS=y diff --git a/arch/arm/configs/ezx_defconfig b/arch/arm/configs/ezx_defconfig index 227a477..d95763d 100644 --- a/arch/arm/configs/ezx_defconfig +++ b/arch/arm/configs/ezx_defconfig @@ -287,7 +287,7 @@ CONFIG_USB=y # CONFIG_USB_DEVICE_CLASS is not set CONFIG_USB_OHCI_HCD=y CONFIG_USB_GADGET=y -CONFIG_USB_GADGET_PXA27X=y +CONFIG_USB_PXA27X=y CONFIG_USB_ETH=m # CONFIG_USB_ETH_RNDIS is not set CONFIG_MMC=y diff --git a/arch/arm/configs/imote2_defconfig b/arch/arm/configs/imote2_defconfig index 176ec22..fd996bb 100644 --- a/arch/arm/configs/imote2_defconfig +++ b/arch/arm/configs/imote2_defconfig @@ -263,7 +263,7 @@ CONFIG_USB=y # CONFIG_USB_DEVICE_CLASS is not set CONFIG_USB_OHCI_HCD=y CONFIG_USB_GADGET=y -CONFIG_USB_GADGET_PXA27X=y +CONFIG_USB_PXA27X=y CONFIG_USB_ETH=m # CONFIG_USB_ETH_RNDIS is not set CONFIG_MMC=y diff --git a/arch/arm/configs/magician_defconfig b/arch/arm/configs/magician_defconfig index a88e64d..443675d 100644 --- a/arch/arm/configs/magician_defconfig +++ b/arch/arm/configs/magician_defconfig @@ -132,7 +132,7 @@ CONFIG_USB_MON=m CONFIG_USB_OHCI_HCD=y CONFIG_USB_GADGET=y CONFIG_USB_GADGET_VBUS_DRAW=500 -CONFIG_USB_GADGET_PXA27X=y +CONFIG_USB_PXA27X=y CONFIG_USB_ETH=m # CONFIG_USB_ETH_RNDIS is not set CONFIG_USB_GADGETFS=m diff --git a/arch/arm/configs/omap1_defconfig b/arch/arm/configs/omap1_defconfig index 7b63462..945a34f 100644 --- a/arch/arm/configs/omap1_defconfig +++ b/arch/arm/configs/omap1_defconfig @@ -48,13 +48,7 @@ CONFIG_MACH_SX1=y CONFIG_MACH_NOKIA770=y CONFIG_MACH_AMS_DELTA=y CONFIG_MACH_OMAP_GENERIC=y -CONFIG_OMAP_CLOCKS_SET_BY_BOOTLOADER=y -CONFIG_OMAP_ARM_216MHZ=y -CONFIG_OMAP_ARM_195MHZ=y -CONFIG_OMAP_ARM_192MHZ=y CONFIG_OMAP_ARM_182MHZ=y -CONFIG_OMAP_ARM_168MHZ=y -# CONFIG_OMAP_ARM_60MHZ is not set # CONFIG_ARM_THUMB is not set CONFIG_PCCARD=y CONFIG_OMAP_CF=y diff --git a/arch/arm/configs/u300_defconfig b/arch/arm/configs/u300_defconfig index 4a5a126..374000e 100644 --- a/arch/arm/configs/u300_defconfig +++ b/arch/arm/configs/u300_defconfig @@ -14,8 +14,6 @@ CONFIG_MODULE_UNLOAD=y CONFIG_ARCH_U300=y CONFIG_MACH_U300=y CONFIG_MACH_U300_BS335=y -CONFIG_MACH_U300_DUAL_RAM=y -CONFIG_U300_DEBUG=y CONFIG_MACH_U300_SPIDUMMY=y CONFIG_NO_HZ=y CONFIG_HIGH_RES_TIMERS=y @@ -26,19 +24,21 @@ CONFIG_ZBOOT_ROM_BSS=0x0 CONFIG_CMDLINE="root=/dev/ram0 rw rootfstype=rootfs console=ttyAMA0,115200n8 lpj=515072" CONFIG_CPU_IDLE=y CONFIG_FPE_NWFPE=y -CONFIG_PM=y # CONFIG_SUSPEND is not set CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" # CONFIG_PREVENT_FIRMWARE_BUILD is not set -# CONFIG_MISC_DEVICES is not set +CONFIG_MTD=y +CONFIG_MTD_CMDLINE_PARTS=y +CONFIG_MTD_NAND=y +CONFIG_MTD_NAND_FSMC=y # CONFIG_INPUT_MOUSEDEV is not set CONFIG_INPUT_EVDEV=y # CONFIG_KEYBOARD_ATKBD is not set # CONFIG_INPUT_MOUSE is not set # CONFIG_SERIO is not set +CONFIG_LEGACY_PTY_COUNT=16 CONFIG_SERIAL_AMBA_PL011=y CONFIG_SERIAL_AMBA_PL011_CONSOLE=y -CONFIG_LEGACY_PTY_COUNT=16 # CONFIG_HW_RANDOM is not set CONFIG_I2C=y # CONFIG_HWMON is not set @@ -51,6 +51,7 @@ CONFIG_BACKLIGHT_CLASS_DEVICE=y # CONFIG_HID_SUPPORT is not set # CONFIG_USB_SUPPORT is not set CONFIG_MMC=y +CONFIG_MMC_CLKGATE=y CONFIG_MMC_ARMMMCI=y CONFIG_RTC_CLASS=y # CONFIG_RTC_HCTOSYS is not set @@ -65,10 +66,8 @@ CONFIG_NLS_CODEPAGE_437=y CONFIG_NLS_ISO8859_1=y CONFIG_PRINTK_TIME=y CONFIG_DEBUG_FS=y -CONFIG_DEBUG_KERNEL=y # CONFIG_SCHED_DEBUG is not set CONFIG_TIMER_STATS=y # CONFIG_DEBUG_PREEMPT is not set CONFIG_DEBUG_INFO=y -# CONFIG_RCU_CPU_STALL_DETECTOR is not set # CONFIG_CRC32 is not set diff --git a/arch/arm/configs/u8500_defconfig b/arch/arm/configs/u8500_defconfig index 97d31a4..2d7b6e7 100644 --- a/arch/arm/configs/u8500_defconfig +++ b/arch/arm/configs/u8500_defconfig @@ -10,7 +10,7 @@ CONFIG_MODULE_UNLOAD=y CONFIG_ARCH_U8500=y CONFIG_UX500_SOC_DB5500=y CONFIG_UX500_SOC_DB8500=y -CONFIG_MACH_U8500=y +CONFIG_MACH_HREFV60=y CONFIG_MACH_SNOWBALL=y CONFIG_MACH_U5500=y CONFIG_NO_HZ=y @@ -24,6 +24,7 @@ CONFIG_CPU_FREQ=y CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y CONFIG_VFP=y CONFIG_NEON=y +CONFIG_PM_RUNTIME=y CONFIG_NET=y CONFIG_PACKET=y CONFIG_UNIX=y @@ -41,11 +42,8 @@ CONFIG_MISC_DEVICES=y CONFIG_AB8500_PWM=y CONFIG_SENSORS_BH1780=y CONFIG_NETDEVICES=y -CONFIG_SMSC_PHY=y -CONFIG_NET_ETHERNET=y CONFIG_SMSC911X=y -# CONFIG_NETDEV_1000 is not set -# CONFIG_NETDEV_10000 is not set +CONFIG_SMSC_PHY=y # CONFIG_WLAN is not set # CONFIG_INPUT_MOUSEDEV_PSAUX is not set CONFIG_INPUT_EVDEV=y @@ -72,15 +70,12 @@ CONFIG_SPI=y CONFIG_SPI_PL022=y CONFIG_GPIO_STMPE=y CONFIG_GPIO_TC3589X=y -# CONFIG_HWMON is not set CONFIG_MFD_STMPE=y CONFIG_MFD_TC3589X=y +CONFIG_AB5500_CORE=y CONFIG_AB8500_CORE=y CONFIG_REGULATOR_AB8500=y # CONFIG_HID_SUPPORT is not set -CONFIG_USB_MUSB_HDRC=y -CONFIG_USB_GADGET_MUSB_HDRC=y -CONFIG_MUSB_PIO_ONLY=y CONFIG_USB_GADGET=y CONFIG_AB8500_USB=y CONFIG_MMC=y @@ -97,6 +92,7 @@ CONFIG_DMADEVICES=y CONFIG_STE_DMA40=y CONFIG_STAGING=y CONFIG_TOUCHSCREEN_SYNAPTICS_I2C_RMI4=y +CONFIG_HSEM_U8500=y CONFIG_EXT2_FS=y CONFIG_EXT2_FS_XATTR=y CONFIG_EXT2_FS_POSIX_ACL=y diff --git a/arch/arm/configs/zeus_defconfig b/arch/arm/configs/zeus_defconfig index 59577ad..547a3c1 100644 --- a/arch/arm/configs/zeus_defconfig +++ b/arch/arm/configs/zeus_defconfig @@ -140,7 +140,7 @@ CONFIG_USB_SERIAL=m CONFIG_USB_SERIAL_GENERIC=y CONFIG_USB_SERIAL_MCT_U232=m CONFIG_USB_GADGET=m -CONFIG_USB_GADGET_PXA27X=y +CONFIG_USB_PXA27X=y CONFIG_USB_ETH=m CONFIG_USB_GADGETFS=m CONFIG_USB_FILE_STORAGE=m diff --git a/arch/arm/include/asm/hardware/cache-l2x0.h b/arch/arm/include/asm/hardware/cache-l2x0.h index 1db1143..7df239b 100644 --- a/arch/arm/include/asm/hardware/cache-l2x0.h +++ b/arch/arm/include/asm/hardware/cache-l2x0.h @@ -20,6 +20,8 @@ #ifndef __ASM_ARM_HARDWARE_L2X0_H #define __ASM_ARM_HARDWARE_L2X0_H +#include <linux/errno.h> + #define L2X0_CACHE_ID 0x000 #define L2X0_CACHE_TYPE 0x004 #define L2X0_CTRL 0x100 diff --git a/arch/arm/include/asm/mach/arch.h b/arch/arm/include/asm/mach/arch.h index 7d19425..2b0efc3 100644 --- a/arch/arm/include/asm/mach/arch.h +++ b/arch/arm/include/asm/mach/arch.h @@ -13,6 +13,7 @@ struct tag; struct meminfo; struct sys_timer; +struct pt_regs; struct machine_desc { unsigned int nr; /* architecture number */ diff --git a/arch/arm/include/asm/pmu.h b/arch/arm/include/asm/pmu.h index 71d99b8..0bda22c 100644 --- a/arch/arm/include/asm/pmu.h +++ b/arch/arm/include/asm/pmu.h @@ -55,16 +55,6 @@ reserve_pmu(enum arm_pmu_type type); extern void release_pmu(enum arm_pmu_type type); -/** - * init_pmu() - Initialise the PMU. - * - * Initialise the system ready for PMU enabling. This should typically set the - * IRQ affinity and nothing else. The users (oprofile/perf events etc) will do - * the actual hardware initialisation. - */ -extern int -init_pmu(enum arm_pmu_type type); - #else /* CONFIG_CPU_HAS_PMU */ #include <linux/err.h> diff --git a/arch/arm/include/asm/topology.h b/arch/arm/include/asm/topology.h index a7e457e..58b8b84 100644 --- a/arch/arm/include/asm/topology.h +++ b/arch/arm/include/asm/topology.h @@ -25,7 +25,7 @@ extern struct cputopo_arm cpu_topology[NR_CPUS]; void init_cpu_topology(void); void store_cpu_topology(unsigned int cpuid); -const struct cpumask *cpu_coregroup_mask(unsigned int cpu); +const struct cpumask *cpu_coregroup_mask(int cpu); #else diff --git a/arch/arm/include/asm/unistd.h b/arch/arm/include/asm/unistd.h index c60a294..4a11237 100644 --- a/arch/arm/include/asm/unistd.h +++ b/arch/arm/include/asm/unistd.h @@ -402,6 +402,8 @@ #define __NR_syncfs (__NR_SYSCALL_BASE+373) #define __NR_sendmmsg (__NR_SYSCALL_BASE+374) #define __NR_setns (__NR_SYSCALL_BASE+375) +#define __NR_process_vm_readv (__NR_SYSCALL_BASE+376) +#define __NR_process_vm_writev (__NR_SYSCALL_BASE+377) /* * The following SWIs are ARM private. diff --git a/arch/arm/include/asm/unwind.h b/arch/arm/include/asm/unwind.h index a5edf42..d1c3f3a 100644 --- a/arch/arm/include/asm/unwind.h +++ b/arch/arm/include/asm/unwind.h @@ -30,14 +30,15 @@ enum unwind_reason_code { }; struct unwind_idx { - unsigned long addr; + unsigned long addr_offset; unsigned long insn; }; struct unwind_table { struct list_head list; - struct unwind_idx *start; - struct unwind_idx *stop; + const struct unwind_idx *start; + const struct unwind_idx *origin; + const struct unwind_idx *stop; unsigned long begin_addr; unsigned long end_addr; }; @@ -49,15 +50,6 @@ extern struct unwind_table *unwind_table_add(unsigned long start, extern void unwind_table_del(struct unwind_table *tab); extern void unwind_backtrace(struct pt_regs *regs, struct task_struct *tsk); -#ifdef CONFIG_ARM_UNWIND -extern int __init unwind_init(void); -#else -static inline int __init unwind_init(void) -{ - return 0; -} -#endif - #endif /* !__ASSEMBLY__ */ #ifdef CONFIG_ARM_UNWIND diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S index 9943e9e..463ff4a 100644 --- a/arch/arm/kernel/calls.S +++ b/arch/arm/kernel/calls.S @@ -385,6 +385,8 @@ CALL(sys_syncfs) CALL(sys_sendmmsg) /* 375 */ CALL(sys_setns) + CALL(sys_process_vm_readv) + CALL(sys_process_vm_writev) #ifndef syscalls_counted .equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls #define syscalls_counted diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S index 9ad50c4..b145f16 100644 --- a/arch/arm/kernel/entry-armv.S +++ b/arch/arm/kernel/entry-armv.S @@ -497,7 +497,7 @@ ENDPROC(__und_usr) .popsection .pushsection __ex_table,"a" .long 1b, 4b -#if __LINUX_ARM_ARCH__ >= 7 +#if CONFIG_ARM_THUMB && __LINUX_ARM_ARCH__ >= 6 && CONFIG_CPU_V7 .long 2b, 4b .long 3b, 4b #endif diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S index 566c54c..08c82fd 100644 --- a/arch/arm/kernel/head.S +++ b/arch/arm/kernel/head.S @@ -360,7 +360,7 @@ __secondary_data: * r13 = *virtual* address to jump to upon completion */ __enable_mmu: -#ifdef CONFIG_ALIGNMENT_TRAP +#if defined(CONFIG_ALIGNMENT_TRAP) && __LINUX_ARM_ARCH__ < 6 orr r0, r0, #CR_A #else bic r0, r0, #CR_A diff --git a/arch/arm/kernel/kprobes-arm.c b/arch/arm/kernel/kprobes-arm.c index 9fe8910..8a30c89 100644 --- a/arch/arm/kernel/kprobes-arm.c +++ b/arch/arm/kernel/kprobes-arm.c @@ -519,10 +519,12 @@ static const union decode_item arm_cccc_0000_____1001_table[] = { static const union decode_item arm_cccc_0001_____1001_table[] = { /* Synchronization primitives */ +#if __LINUX_ARM_ARCH__ < 6 + /* Deprecated on ARMv6 and may be UNDEFINED on v7 */ /* SMP/SWPB cccc 0001 0x00 xxxx xxxx xxxx 1001 xxxx */ DECODE_EMULATEX (0x0fb000f0, 0x01000090, emulate_rd12rn16rm0_rwflags_nopc, REGS(NOPC, NOPC, 0, 0, NOPC)), - +#endif /* LDREX/STREX{,D,B,H} cccc 0001 1xxx xxxx xxxx xxxx 1001 xxxx */ /* And unallocated instructions... */ DECODE_END diff --git a/arch/arm/kernel/kprobes-test-arm.c b/arch/arm/kernel/kprobes-test-arm.c index fc82de8..ba32b39 100644 --- a/arch/arm/kernel/kprobes-test-arm.c +++ b/arch/arm/kernel/kprobes-test-arm.c @@ -427,18 +427,25 @@ void kprobe_arm_test_cases(void) TEST_GROUP("Synchronization primitives") - /* - * Use hard coded constants for SWP instructions to avoid warnings - * about deprecated instructions. - */ - TEST_RP( ".word 0xe108e097 @ swp lr, r",7,VAL2,", [r",8,0,"]") - TEST_R( ".word 0x610d0091 @ swpvs r0, r",1,VAL1,", [sp]") - TEST_RP( ".word 0xe10cd09e @ swp sp, r",14,VAL2,", [r",12,13*4,"]") +#if __LINUX_ARM_ARCH__ < 6 + TEST_RP("swp lr, r",7,VAL2,", [r",8,0,"]") + TEST_R( "swpvs r0, r",1,VAL1,", [sp]") + TEST_RP("swp sp, r",14,VAL2,", [r",12,13*4,"]") +#else + TEST_UNSUPPORTED(".word 0xe108e097 @ swp lr, r7, [r8]") + TEST_UNSUPPORTED(".word 0x610d0091 @ swpvs r0, r1, [sp]") + TEST_UNSUPPORTED(".word 0xe10cd09e @ swp sp, r14 [r12]") +#endif TEST_UNSUPPORTED(".word 0xe102f091 @ swp pc, r1, [r2]") TEST_UNSUPPORTED(".word 0xe102009f @ swp r0, pc, [r2]") TEST_UNSUPPORTED(".word 0xe10f0091 @ swp r0, r1, [pc]") - TEST_RP( ".word 0xe148e097 @ swpb lr, r",7,VAL2,", [r",8,0,"]") - TEST_R( ".word 0x614d0091 @ swpvsb r0, r",1,VAL1,", [sp]") +#if __LINUX_ARM_ARCH__ < 6 + TEST_RP("swpb lr, r",7,VAL2,", [r",8,0,"]") + TEST_R( "swpvsb r0, r",1,VAL1,", [sp]") +#else + TEST_UNSUPPORTED(".word 0xe148e097 @ swpb lr, r7, [r8]") + TEST_UNSUPPORTED(".word 0x614d0091 @ swpvsb r0, r1, [sp]") +#endif TEST_UNSUPPORTED(".word 0xe142f091 @ swpb pc, r1, [r2]") TEST_UNSUPPORTED(".word 0xe1100090") /* Unallocated space */ @@ -550,7 +557,7 @@ void kprobe_arm_test_cases(void) TEST_RPR( "strccd r",8, VAL2,", [r",13,0, ", r",12,48,"]") TEST_RPR( "strd r",4, VAL1,", [r",2, 24,", r",3, 48,"]!") TEST_RPR( "strcsd r",12,VAL2,", [r",11,48,", -r",10,24,"]!") - TEST_RPR( "strd r",2, VAL1,", [r",3, 24,"], r",4,48,"") + TEST_RPR( "strd r",2, VAL1,", [r",5, 24,"], r",4,48,"") TEST_RPR( "strd r",10,VAL2,", [r",9, 48,"], -r",7,24,"") TEST_UNSUPPORTED(".word 0xe1afc0fa @ strd r12, [pc, r10]!") diff --git a/arch/arm/kernel/kprobes-test-thumb.c b/arch/arm/kernel/kprobes-test-thumb.c index 5e726c3..5d8b857 100644 --- a/arch/arm/kernel/kprobes-test-thumb.c +++ b/arch/arm/kernel/kprobes-test-thumb.c @@ -222,8 +222,8 @@ void kprobe_thumb16_test_cases(void) DONT_TEST_IN_ITBLOCK( TEST_BF_R( "cbnz r",0,0, ", 2f") TEST_BF_R( "cbz r",2,-1,", 2f") - TEST_BF_RX( "cbnz r",4,1, ", 2f",0x20) - TEST_BF_RX( "cbz r",7,0, ", 2f",0x40) + TEST_BF_RX( "cbnz r",4,1, ", 2f", SPACE_0x20) + TEST_BF_RX( "cbz r",7,0, ", 2f", SPACE_0x40) ) TEST_R("sxth r0, r",7, HH1,"") TEST_R("sxth r7, r",0, HH2,"") @@ -246,7 +246,7 @@ DONT_TEST_IN_ITBLOCK( TESTCASE_START(code) \ TEST_ARG_PTR(13, offset) \ TEST_ARG_END("") \ - TEST_BRANCH_F(code,0) \ + TEST_BRANCH_F(code) \ TESTCASE_END TEST("push {r0}") @@ -319,8 +319,8 @@ CONDITION_INSTRUCTIONS(8, TEST_BF( "b 2f") TEST_BB( "b 2b") - TEST_BF_X("b 2f", 0x400) - TEST_BB_X("b 2b", 0x400) + TEST_BF_X("b 2f", SPACE_0x400) + TEST_BB_X("b 2b", SPACE_0x400) TEST_GROUP("Testing instructions in IT blocks") @@ -746,7 +746,7 @@ CONDITION_INSTRUCTIONS(22, TEST_BB("bne.w 2b") TEST_BF("bgt.w 2f") TEST_BB("blt.w 2b") - TEST_BF_X("bpl.w 2f",0x1000) + TEST_BF_X("bpl.w 2f", SPACE_0x1000) ) TEST_UNSUPPORTED("msr cpsr, r0") @@ -786,11 +786,11 @@ CONDITION_INSTRUCTIONS(22, TEST_BF( "b.w 2f") TEST_BB( "b.w 2b") - TEST_BF_X("b.w 2f", 0x1000) + TEST_BF_X("b.w 2f", SPACE_0x1000) TEST_BF( "bl.w 2f") TEST_BB( "bl.w 2b") - TEST_BB_X("bl.w 2b", 0x1000) + TEST_BB_X("bl.w 2b", SPACE_0x1000) TEST_X( "blx __dummy_arm_subroutine", ".arm \n\t" diff --git a/arch/arm/kernel/kprobes-test.h b/arch/arm/kernel/kprobes-test.h index 0dc5d77..e28a869 100644 --- a/arch/arm/kernel/kprobes-test.h +++ b/arch/arm/kernel/kprobes-test.h @@ -149,23 +149,31 @@ struct test_arg_end { "1: "instruction" \n\t" \ " nop \n\t" -#define TEST_BRANCH_F(instruction, xtra_dist) \ +#define TEST_BRANCH_F(instruction) \ TEST_INSTRUCTION(instruction) \ - ".if "#xtra_dist" \n\t" \ " b 99f \n\t" \ - ".space "#xtra_dist" \n\t" \ - ".endif \n\t" \ + "2: nop \n\t" + +#define TEST_BRANCH_B(instruction) \ + " b 50f \n\t" \ + " b 99f \n\t" \ + "2: nop \n\t" \ + " b 99f \n\t" \ + TEST_INSTRUCTION(instruction) + +#define TEST_BRANCH_FX(instruction, codex) \ + TEST_INSTRUCTION(instruction) \ + " b 99f \n\t" \ + codex" \n\t" \ " b 99f \n\t" \ "2: nop \n\t" -#define TEST_BRANCH_B(instruction, xtra_dist) \ +#define TEST_BRANCH_BX(instruction, codex) \ " b 50f \n\t" \ " b 99f \n\t" \ "2: nop \n\t" \ " b 99f \n\t" \ - ".if "#xtra_dist" \n\t" \ - ".space "#xtra_dist" \n\t" \ - ".endif \n\t" \ + codex" \n\t" \ TEST_INSTRUCTION(instruction) #define TESTCASE_END \ @@ -301,47 +309,60 @@ struct test_arg_end { TESTCASE_START(code1 #reg1 code2) \ TEST_ARG_PTR(reg1, val1) \ TEST_ARG_END("") \ - TEST_BRANCH_F(code1 #reg1 code2, 0) \ + TEST_BRANCH_F(code1 #reg1 code2) \ TESTCASE_END -#define TEST_BF_X(code, xtra_dist) \ +#define TEST_BF(code) \ TESTCASE_START(code) \ TEST_ARG_END("") \ - TEST_BRANCH_F(code, xtra_dist) \ + TEST_BRANCH_F(code) \ TESTCASE_END -#define TEST_BB_X(code, xtra_dist) \ +#define TEST_BB(code) \ TESTCASE_START(code) \ TEST_ARG_END("") \ - TEST_BRANCH_B(code, xtra_dist) \ + TEST_BRANCH_B(code) \ TESTCASE_END -#define TEST_BF_RX(code1, reg, val, code2, xtra_dist) \ - TESTCASE_START(code1 #reg code2) \ - TEST_ARG_REG(reg, val) \ - TEST_ARG_END("") \ - TEST_BRANCH_F(code1 #reg code2, xtra_dist) \ +#define TEST_BF_R(code1, reg, val, code2) \ + TESTCASE_START(code1 #reg code2) \ + TEST_ARG_REG(reg, val) \ + TEST_ARG_END("") \ + TEST_BRANCH_F(code1 #reg code2) \ TESTCASE_END -#define TEST_BB_RX(code1, reg, val, code2, xtra_dist) \ - TESTCASE_START(code1 #reg code2) \ - TEST_ARG_REG(reg, val) \ - TEST_ARG_END("") \ - TEST_BRANCH_B(code1 #reg code2, xtra_dist) \ +#define TEST_BB_R(code1, reg, val, code2) \ + TESTCASE_START(code1 #reg code2) \ + TEST_ARG_REG(reg, val) \ + TEST_ARG_END("") \ + TEST_BRANCH_B(code1 #reg code2) \ TESTCASE_END -#define TEST_BF(code) TEST_BF_X(code, 0) -#define TEST_BB(code) TEST_BB_X(code, 0) - -#define TEST_BF_R(code1, reg, val, code2) TEST_BF_RX(code1, reg, val, code2, 0) -#define TEST_BB_R(code1, reg, val, code2) TEST_BB_RX(code1, reg, val, code2, 0) - #define TEST_BF_RR(code1, reg1, val1, code2, reg2, val2, code3) \ TESTCASE_START(code1 #reg1 code2 #reg2 code3) \ TEST_ARG_REG(reg1, val1) \ TEST_ARG_REG(reg2, val2) \ TEST_ARG_END("") \ - TEST_BRANCH_F(code1 #reg1 code2 #reg2 code3, 0) \ + TEST_BRANCH_F(code1 #reg1 code2 #reg2 code3) \ + TESTCASE_END + +#define TEST_BF_X(code, codex) \ + TESTCASE_START(code) \ + TEST_ARG_END("") \ + TEST_BRANCH_FX(code, codex) \ + TESTCASE_END + +#define TEST_BB_X(code, codex) \ + TESTCASE_START(code) \ + TEST_ARG_END("") \ + TEST_BRANCH_BX(code, codex) \ + TESTCASE_END + +#define TEST_BF_RX(code1, reg, val, code2, codex) \ + TESTCASE_START(code1 #reg code2) \ + TEST_ARG_REG(reg, val) \ + TEST_ARG_END("") \ + TEST_BRANCH_FX(code1 #reg code2, codex) \ TESTCASE_END #define TEST_X(code, codex) \ @@ -372,6 +393,25 @@ struct test_arg_end { TESTCASE_END +/* + * Macros for defining space directives spread over multiple lines. + * These are required so the compiler guesses better the length of inline asm + * code and will spill the literal pool early enough to avoid generating PC + * relative loads with out of range offsets. + */ +#define TWICE(x) x x +#define SPACE_0x8 TWICE(".space 4\n\t") +#define SPACE_0x10 TWICE(SPACE_0x8) +#define SPACE_0x20 TWICE(SPACE_0x10) +#define SPACE_0x40 TWICE(SPACE_0x20) +#define SPACE_0x80 TWICE(SPACE_0x40) +#define SPACE_0x100 TWICE(SPACE_0x80) +#define SPACE_0x200 TWICE(SPACE_0x100) +#define SPACE_0x400 TWICE(SPACE_0x200) +#define SPACE_0x800 TWICE(SPACE_0x400) +#define SPACE_0x1000 TWICE(SPACE_0x800) + + /* Various values used in test cases... */ #define N(val) (val ^ 0xffffffff) #define VAL1 0x12345678 diff --git a/arch/arm/kernel/machine_kexec.c b/arch/arm/kernel/machine_kexec.c index c1b4463..e59bbd4 100644 --- a/arch/arm/kernel/machine_kexec.c +++ b/arch/arm/kernel/machine_kexec.c @@ -32,24 +32,6 @@ static atomic_t waiting_for_crash_ipi; int machine_kexec_prepare(struct kimage *image) { - unsigned long page_list; - void *reboot_code_buffer; - page_list = image->head & PAGE_MASK; - - reboot_code_buffer = page_address(image->control_code_page); - - /* Prepare parameters for reboot_code_buffer*/ - kexec_start_address = image->start; - kexec_indirection_page = page_list; - kexec_mach_type = machine_arch_type; - kexec_boot_atags = image->start - KEXEC_ARM_ZIMAGE_OFFSET + KEXEC_ARM_ATAGS_OFFSET; - - /* copy our kernel relocation code to the control code page */ - memcpy(reboot_code_buffer, - relocate_new_kernel, relocate_new_kernel_size); - - flush_icache_range((unsigned long) reboot_code_buffer, - (unsigned long) reboot_code_buffer + KEXEC_CONTROL_PAGE_SIZE); return 0; } @@ -100,14 +82,31 @@ void (*kexec_reinit)(void); void machine_kexec(struct kimage *image) { + unsigned long page_list; unsigned long reboot_code_buffer_phys; void *reboot_code_buffer; + + page_list = image->head & PAGE_MASK; + /* we need both effective and real address here */ reboot_code_buffer_phys = page_to_pfn(image->control_code_page) << PAGE_SHIFT; reboot_code_buffer = page_address(image->control_code_page); + /* Prepare parameters for reboot_code_buffer*/ + kexec_start_address = image->start; + kexec_indirection_page = page_list; + kexec_mach_type = machine_arch_type; + kexec_boot_atags = image->start - KEXEC_ARM_ZIMAGE_OFFSET + KEXEC_ARM_ATAGS_OFFSET; + + /* copy our kernel relocation code to the control code page */ + memcpy(reboot_code_buffer, + relocate_new_kernel, relocate_new_kernel_size); + + + flush_icache_range((unsigned long) reboot_code_buffer, + (unsigned long) reboot_code_buffer + KEXEC_CONTROL_PAGE_SIZE); printk(KERN_INFO "Bye!\n"); if (kexec_reinit) diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c index 24e2347..88b0941 100644 --- a/arch/arm/kernel/perf_event.c +++ b/arch/arm/kernel/perf_event.c @@ -343,19 +343,25 @@ validate_group(struct perf_event *event) { struct perf_event *sibling, *leader = event->group_leader; struct pmu_hw_events fake_pmu; + DECLARE_BITMAP(fake_used_mask, ARMPMU_MAX_HWEVENTS); - memset(&fake_pmu, 0, sizeof(fake_pmu)); + /* + * Initialise the fake PMU. We only need to populate the + * used_mask for the purposes of validation. + */ + memset(fake_used_mask, 0, sizeof(fake_used_mask)); + fake_pmu.used_mask = fake_used_mask; if (!validate_event(&fake_pmu, leader)) - return -ENOSPC; + return -EINVAL; list_for_each_entry(sibling, &leader->sibling_list, group_entry) { if (!validate_event(&fake_pmu, sibling)) - return -ENOSPC; + return -EINVAL; } if (!validate_event(&fake_pmu, event)) - return -ENOSPC; + return -EINVAL; return 0; } @@ -396,6 +402,9 @@ armpmu_reserve_hardware(struct arm_pmu *armpmu) int i, err, irq, irqs; struct platform_device *pmu_device = armpmu->plat_device; + if (!pmu_device) + return -ENODEV; + err = reserve_pmu(armpmu->type); if (err) { pr_warning("unable to reserve pmu\n"); @@ -631,6 +640,9 @@ static struct platform_device_id armpmu_plat_device_ids[] = { static int __devinit armpmu_device_probe(struct platform_device *pdev) { + if (!cpu_pmu) + return -ENODEV; + cpu_pmu->plat_device = pdev; return 0; } diff --git a/arch/arm/kernel/pmu.c b/arch/arm/kernel/pmu.c index 2c3407e..2334bf8 100644 --- a/arch/arm/kernel/pmu.c +++ b/arch/arm/kernel/pmu.c @@ -33,3 +33,4 @@ release_pmu(enum arm_pmu_type type) { clear_bit_unlock(type, pmu_lock); } +EXPORT_SYMBOL_GPL(release_pmu); diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c index 75316f0..3d0c6fb 100644 --- a/arch/arm/kernel/process.c +++ b/arch/arm/kernel/process.c @@ -192,6 +192,9 @@ void cpu_idle(void) #endif local_irq_disable(); +#ifdef CONFIG_PL310_ERRATA_769419 + wmb(); +#endif if (hlt_counter) { local_irq_enable(); cpu_relax(); diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index 7e7977a..8fc2c8f 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -461,8 +461,10 @@ static void __init setup_processor(void) cpu_name, read_cpuid_id(), read_cpuid_id() & 15, proc_arch[cpu_architecture()], cr_alignment); - sprintf(init_utsname()->machine, "%s%c", list->arch_name, ENDIANNESS); - sprintf(elf_platform, "%s%c", list->elf_name, ENDIANNESS); + snprintf(init_utsname()->machine, __NEW_UTS_LEN + 1, "%s%c", + list->arch_name, ENDIANNESS); + snprintf(elf_platform, ELF_PLATFORM_SIZE, "%s%c", + list->elf_name, ENDIANNESS); elf_hwcap = list->elf_hwcap; #ifndef CONFIG_ARM_THUMB elf_hwcap &= ~HWCAP_THUMB; @@ -893,8 +895,6 @@ void __init setup_arch(char **cmdline_p) { struct machine_desc *mdesc; - unwind_init(); - setup_processor(); mdesc = setup_machine_fdt(__atags_pointer); if (!mdesc) @@ -902,6 +902,12 @@ void __init setup_arch(char **cmdline_p) machine_desc = mdesc; machine_name = mdesc->name; +#ifdef CONFIG_ZONE_DMA + if (mdesc->dma_zone_size) { + extern unsigned long arm_dma_zone_size; + arm_dma_zone_size = mdesc->dma_zone_size; + } +#endif if (mdesc->soft_reboot) reboot_setup("s"); @@ -932,12 +938,6 @@ void __init setup_arch(char **cmdline_p) tcm_init(); -#ifdef CONFIG_ZONE_DMA - if (mdesc->dma_zone_size) { - extern unsigned long arm_dma_zone_size; - arm_dma_zone_size = mdesc->dma_zone_size; - } -#endif #ifdef CONFIG_MULTI_IRQ_HANDLER handle_arch_irq = mdesc->handle_irq; #endif diff --git a/arch/arm/kernel/topology.c b/arch/arm/kernel/topology.c index 1040c00..8200dea 100644 --- a/arch/arm/kernel/topology.c +++ b/arch/arm/kernel/topology.c @@ -43,7 +43,7 @@ struct cputopo_arm cpu_topology[NR_CPUS]; -const struct cpumask *cpu_coregroup_mask(unsigned int cpu) +const struct cpumask *cpu_coregroup_mask(int cpu) { return &cpu_topology[cpu].core_sibling; } diff --git a/arch/arm/kernel/unwind.c b/arch/arm/kernel/unwind.c index e7e8365..00df012 100644 --- a/arch/arm/kernel/unwind.c +++ b/arch/arm/kernel/unwind.c @@ -67,7 +67,7 @@ EXPORT_SYMBOL(__aeabi_unwind_cpp_pr2); struct unwind_ctrl_block { unsigned long vrs[16]; /* virtual register set */ - unsigned long *insn; /* pointer to the current instructions word */ + const unsigned long *insn; /* pointer to the current instructions word */ int entries; /* number of entries left to interpret */ int byte; /* current byte number in the instructions word */ }; @@ -83,8 +83,9 @@ enum regs { PC = 15 }; -extern struct unwind_idx __start_unwind_idx[]; -extern struct unwind_idx __stop_unwind_idx[]; +extern const struct unwind_idx __start_unwind_idx[]; +static const struct unwind_idx *__origin_unwind_idx; +extern const struct unwind_idx __stop_unwind_idx[]; static DEFINE_SPINLOCK(unwind_lock); static LIST_HEAD(unwind_tables); @@ -98,45 +99,99 @@ static LIST_HEAD(unwind_tables); }) /* - * Binary search in the unwind index. The entries entries are + * Binary search in the unwind index. The entries are * guaranteed to be sorted in ascending order by the linker. + * + * start = first entry + * origin = first entry with positive offset (or stop if there is no such entry) + * stop - 1 = last entry */ -static struct unwind_idx *search_index(unsigned long addr, - struct unwind_idx *first, - struct unwind_idx *last) +static const struct unwind_idx *search_index(unsigned long addr, + const struct unwind_idx *start, + const struct unwind_idx *origin, + const struct unwind_idx *stop) { - pr_debug("%s(%08lx, %p, %p)\n", __func__, addr, first, last); + unsigned long addr_prel31; + + pr_debug("%s(%08lx, %p, %p, %p)\n", + __func__, addr, start, origin, stop); + + /* + * only search in the section with the matching sign. This way the + * prel31 numbers can be compared as unsigned longs. + */ + if (addr < (unsigned long)start) + /* negative offsets: [start; origin) */ + stop = origin; + else + /* positive offsets: [origin; stop) */ + start = origin; + + /* prel31 for address relavive to start */ + addr_prel31 = (addr - (unsigned long)start) & 0x7fffffff; - if (addr < first->addr) { + while (start < stop - 1) { + const struct unwind_idx *mid = start + ((stop - start) >> 1); + + /* + * As addr_prel31 is relative to start an offset is needed to + * make it relative to mid. + */ + if (addr_prel31 - ((unsigned long)mid - (unsigned long)start) < + mid->addr_offset) + stop = mid; + else { + /* keep addr_prel31 relative to start */ + addr_prel31 -= ((unsigned long)mid - + (unsigned long)start); + start = mid; + } + } + + if (likely(start->addr_offset <= addr_prel31)) + return start; + else { pr_warning("unwind: Unknown symbol address %08lx\n", addr); return NULL; - } else if (addr >= last->addr) - return last; + } +} - while (first < last - 1) { - struct unwind_idx *mid = first + ((last - first + 1) >> 1); +static const struct unwind_idx *unwind_find_origin( + const struct unwind_idx *start, const struct unwind_idx *stop) +{ + pr_debug("%s(%p, %p)\n", __func__, start, stop); + while (start < stop) { + const struct unwind_idx *mid = start + ((stop - start) >> 1); - if (addr < mid->addr) - last = mid; + if (mid->addr_offset >= 0x40000000) + /* negative offset */ + start = mid + 1; else - first = mid; + /* positive offset */ + stop = mid; } - - return first; + pr_debug("%s -> %p\n", __func__, stop); + return stop; } -static struct unwind_idx *unwind_find_idx(unsigned long addr) +static const struct unwind_idx *unwind_find_idx(unsigned long addr) { - struct unwind_idx *idx = NULL; + const struct unwind_idx *idx = NULL; unsigned long flags; pr_debug("%s(%08lx)\n", __func__, addr); - if (core_kernel_text(addr)) + if (core_kernel_text(addr)) { + if (unlikely(!__origin_unwind_idx)) + __origin_unwind_idx = + unwind_find_origin(__start_unwind_idx, + __stop_unwind_idx); + /* main unwind table */ idx = search_index(addr, __start_unwind_idx, - __stop_unwind_idx - 1); - else { + __origin_unwind_idx, + __stop_unwind_idx); + } else { /* module unwind tables */ struct unwind_table *table; @@ -145,7 +200,8 @@ static struct unwind_idx *unwind_find_idx(unsigned long addr) if (addr >= table->begin_addr && addr < table->end_addr) { idx = search_index(addr, table->start, - table->stop - 1); + table->origin, + table->stop); /* Move-to-front to exploit common traces */ list_move(&table->list, &unwind_tables); break; @@ -274,7 +330,7 @@ static int unwind_exec_insn(struct unwind_ctrl_block *ctrl) int unwind_frame(struct stackframe *frame) { unsigned long high, low; - struct unwind_idx *idx; + const struct unwind_idx *idx; struct unwind_ctrl_block ctrl; /* only go to a higher address on the stack */ @@ -399,7 +455,6 @@ struct unwind_table *unwind_table_add(unsigned long start, unsigned long size, unsigned long text_size) { unsigned long flags; - struct unwind_idx *idx; struct unwind_table *tab = kmalloc(sizeof(*tab), GFP_KERNEL); pr_debug("%s(%08lx, %08lx, %08lx, %08lx)\n", __func__, start, size, @@ -408,15 +463,12 @@ struct unwind_table *unwind_table_add(unsigned long start, unsigned long size, if (!tab) return tab; - tab->start = (struct unwind_idx *)start; - tab->stop = (struct unwind_idx *)(start + size); + tab->start = (const struct unwind_idx *)start; + tab->stop = (const struct unwind_idx *)(start + size); + tab->origin = unwind_find_origin(tab->start, tab->stop); tab->begin_addr = text_addr; tab->end_addr = text_addr + text_size; - /* Convert the symbol addresses to absolute values */ - for (idx = tab->start; idx < tab->stop; idx++) - idx->addr = prel31_to_addr(&idx->addr); - spin_lock_irqsave(&unwind_lock, flags); list_add_tail(&tab->list, &unwind_tables); spin_unlock_irqrestore(&unwind_lock, flags); @@ -437,16 +489,3 @@ void unwind_table_del(struct unwind_table *tab) kfree(tab); } - -int __init unwind_init(void) -{ - struct unwind_idx *idx; - - /* Convert the symbol addresses to absolute values */ - for (idx = __start_unwind_idx; idx < __stop_unwind_idx; idx++) - idx->addr = prel31_to_addr(&idx->addr); - - pr_debug("unwind: ARM stack unwinding initialised\n"); - - return 0; -} diff --git a/arch/arm/lib/bitops.h b/arch/arm/lib/bitops.h index 10d868a..d6408d1 100644 --- a/arch/arm/lib/bitops.h +++ b/arch/arm/lib/bitops.h @@ -1,5 +1,9 @@ +#include <asm/unwind.h> + #if __LINUX_ARM_ARCH__ >= 6 - .macro bitop, instr + .macro bitop, name, instr +ENTRY( \name ) +UNWIND( .fnstart ) ands ip, r1, #3 strneb r1, [ip] @ assert word-aligned mov r2, #1 @@ -13,9 +17,13 @@ cmp r0, #0 bne 1b bx lr +UNWIND( .fnend ) +ENDPROC(\name ) .endm - .macro testop, instr, store + .macro testop, name, instr, store +ENTRY( \name ) +UNWIND( .fnstart ) ands ip, r1, #3 strneb r1, [ip] @ assert word-aligned mov r2, #1 @@ -34,9 +42,13 @@ cmp r0, #0 movne r0, #1 2: bx lr +UNWIND( .fnend ) +ENDPROC(\name ) .endm #else - .macro bitop, instr + .macro bitop, name, instr +ENTRY( \name ) +UNWIND( .fnstart ) ands ip, r1, #3 strneb r1, [ip] @ assert word-aligned and r2, r0, #31 @@ -49,6 +61,8 @@ str r2, [r1, r0, lsl #2] restore_irqs ip mov pc, lr +UNWIND( .fnend ) +ENDPROC(\name ) .endm /** @@ -59,7 +73,9 @@ * Note: we can trivially conditionalise the store instruction * to avoid dirtying the data cache. */ - .macro testop, instr, store + .macro testop, name, instr, store +ENTRY( \name ) +UNWIND( .fnstart ) ands ip, r1, #3 strneb r1, [ip] @ assert word-aligned and r3, r0, #31 @@ -73,5 +89,7 @@ moveq r0, #0 restore_irqs ip mov pc, lr +UNWIND( .fnend ) +ENDPROC(\name ) .endm #endif diff --git a/arch/arm/lib/changebit.S b/arch/arm/lib/changebit.S index 68ed5b6..f402786 100644 --- a/arch/arm/lib/changebit.S +++ b/arch/arm/lib/changebit.S @@ -12,6 +12,4 @@ #include "bitops.h" .text -ENTRY(_change_bit) - bitop eor -ENDPROC(_change_bit) +bitop _change_bit, eor diff --git a/arch/arm/lib/clearbit.S b/arch/arm/lib/clearbit.S index 4c04c3b..f6b75fb 100644 --- a/arch/arm/lib/clearbit.S +++ b/arch/arm/lib/clearbit.S @@ -12,6 +12,4 @@ #include "bitops.h" .text -ENTRY(_clear_bit) - bitop bic -ENDPROC(_clear_bit) +bitop _clear_bit, bic diff --git a/arch/arm/lib/setbit.S b/arch/arm/lib/setbit.S index bbee5c6..618feda 100644 --- a/arch/arm/lib/setbit.S +++ b/arch/arm/lib/setbit.S @@ -12,6 +12,4 @@ #include "bitops.h" .text -ENTRY(_set_bit) - bitop orr -ENDPROC(_set_bit) +bitop _set_bit, orr diff --git a/arch/arm/lib/testchangebit.S b/arch/arm/lib/testchangebit.S index 15a4d43..4becdc3 100644 --- a/arch/arm/lib/testchangebit.S +++ b/arch/arm/lib/testchangebit.S @@ -12,6 +12,4 @@ #include "bitops.h" .text -ENTRY(_test_and_change_bit) - testop eor, str -ENDPROC(_test_and_change_bit) +testop _test_and_change_bit, eor, str diff --git a/arch/arm/lib/testclearbit.S b/arch/arm/lib/testclearbit.S index 521b66b..918841d 100644 --- a/arch/arm/lib/testclearbit.S +++ b/arch/arm/lib/testclearbit.S @@ -12,6 +12,4 @@ #include "bitops.h" .text -ENTRY(_test_and_clear_bit) - testop bicne, strne -ENDPROC(_test_and_clear_bit) +testop _test_and_clear_bit, bicne, strne diff --git a/arch/arm/lib/testsetbit.S b/arch/arm/lib/testsetbit.S index 1c98cc2..8d1b2fe 100644 --- a/arch/arm/lib/testsetbit.S +++ b/arch/arm/lib/testsetbit.S @@ -12,6 +12,4 @@ #include "bitops.h" .text -ENTRY(_test_and_set_bit) - testop orreq, streq -ENDPROC(_test_and_set_bit) +testop _test_and_set_bit, orreq, streq diff --git a/arch/arm/mach-at91/at91rm9200_devices.c b/arch/arm/mach-at91/at91rm9200_devices.c index 66591fa..ad93068 100644 --- a/arch/arm/mach-at91/at91rm9200_devices.c +++ b/arch/arm/mach-at91/at91rm9200_devices.c @@ -83,7 +83,7 @@ void __init at91_add_device_usbh(struct at91_usbh_data *data) {} * USB Device (Gadget) * -------------------------------------------------------------------- */ -#ifdef CONFIG_USB_GADGET_AT91 +#ifdef CONFIG_USB_AT91 static struct at91_udc_data udc_data; static struct resource udc_resources[] = { diff --git a/arch/arm/mach-at91/at91sam9260.c b/arch/arm/mach-at91/at91sam9260.c index b84a9f6..0d20677 100644 --- a/arch/arm/mach-at91/at91sam9260.c +++ b/arch/arm/mach-at91/at91sam9260.c @@ -195,9 +195,9 @@ static struct clk_lookup periph_clocks_lookups[] = { CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.0", &tc0_clk), CLKDEV_CON_DEV_ID("t1_clk", "atmel_tcb.0", &tc1_clk), CLKDEV_CON_DEV_ID("t2_clk", "atmel_tcb.0", &tc2_clk), - CLKDEV_CON_DEV_ID("t3_clk", "atmel_tcb.1", &tc3_clk), - CLKDEV_CON_DEV_ID("t4_clk", "atmel_tcb.1", &tc4_clk), - CLKDEV_CON_DEV_ID("t5_clk", "atmel_tcb.1", &tc5_clk), + CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.1", &tc3_clk), + CLKDEV_CON_DEV_ID("t1_clk", "atmel_tcb.1", &tc4_clk), + CLKDEV_CON_DEV_ID("t2_clk", "atmel_tcb.1", &tc5_clk), CLKDEV_CON_DEV_ID("pclk", "ssc.0", &ssc_clk), /* more usart lookup table for DT entries */ CLKDEV_CON_DEV_ID("usart", "fffff200.serial", &mck), diff --git a/arch/arm/mach-at91/at91sam9260_devices.c b/arch/arm/mach-at91/at91sam9260_devices.c index 25e3464..629fa97 100644 --- a/arch/arm/mach-at91/at91sam9260_devices.c +++ b/arch/arm/mach-at91/at91sam9260_devices.c @@ -84,7 +84,7 @@ void __init at91_add_device_usbh(struct at91_usbh_data *data) {} * USB Device (Gadget) * -------------------------------------------------------------------- */ -#ifdef CONFIG_USB_GADGET_AT91 +#ifdef CONFIG_USB_AT91 static struct at91_udc_data udc_data; static struct resource udc_resources[] = { diff --git a/arch/arm/mach-at91/at91sam9261_devices.c b/arch/arm/mach-at91/at91sam9261_devices.c index ae78f4d..a178b58 100644 --- a/arch/arm/mach-at91/at91sam9261_devices.c +++ b/arch/arm/mach-at91/at91sam9261_devices.c @@ -87,7 +87,7 @@ void __init at91_add_device_usbh(struct at91_usbh_data *data) {} * USB Device (Gadget) * -------------------------------------------------------------------- */ -#ifdef CONFIG_USB_GADGET_AT91 +#ifdef CONFIG_USB_AT91 static struct at91_udc_data udc_data; static struct resource udc_resources[] = { diff --git a/arch/arm/mach-at91/at91sam9263_devices.c b/arch/arm/mach-at91/at91sam9263_devices.c index ad017eb..d5fbac9 100644 --- a/arch/arm/mach-at91/at91sam9263_devices.c +++ b/arch/arm/mach-at91/at91sam9263_devices.c @@ -92,7 +92,7 @@ void __init at91_add_device_usbh(struct at91_usbh_data *data) {} * USB Device (Gadget) * -------------------------------------------------------------------- */ -#ifdef CONFIG_USB_GADGET_AT91 +#ifdef CONFIG_USB_AT91 static struct at91_udc_data udc_data; static struct resource udc_resources[] = { diff --git a/arch/arm/mach-at91/include/mach/system_rev.h b/arch/arm/mach-at91/include/mach/system_rev.h index 8f48660..ec164a4 100644 --- a/arch/arm/mach-at91/include/mach/system_rev.h +++ b/arch/arm/mach-at91/include/mach/system_rev.h @@ -19,7 +19,7 @@ #define BOARD_HAVE_NAND_16BIT (1 << 31) static inline int board_have_nand_16bit(void) { - return system_rev & BOARD_HAVE_NAND_16BIT; + return (system_rev & BOARD_HAVE_NAND_16BIT) ? 1 : 0; } #endif /* __ARCH_SYSTEM_REV_H__ */ diff --git a/arch/arm/mach-bcmring/core.c b/arch/arm/mach-bcmring/core.c index 43eadbc..430da12 100644 --- a/arch/arm/mach-bcmring/core.c +++ b/arch/arm/mach-bcmring/core.c @@ -235,7 +235,7 @@ void __init bcmring_init_timer(void) */ bcmring_clocksource_init(); - sp804_clockevents_register(TIMER0_VA_BASE, IRQ_TIMER0, "timer0"); + sp804_clockevents_init(TIMER0_VA_BASE, IRQ_TIMER0, "timer0"); } struct sys_timer bcmring_timer = { diff --git a/arch/arm/mach-bcmring/dma.c b/arch/arm/mach-bcmring/dma.c index b52b8de..f4d4d6d 100644 --- a/arch/arm/mach-bcmring/dma.c +++ b/arch/arm/mach-bcmring/dma.c @@ -36,6 +36,7 @@ #include <linux/mm.h> #include <linux/pfn.h> #include <linux/atomic.h> +#include <linux/sched.h> #include <mach/dma.h> /* I don't quite understand why dc4 fails when this is set to 1 and DMA is enabled */ diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c index 1d7d249..6659a90 100644 --- a/arch/arm/mach-davinci/board-da850-evm.c +++ b/arch/arm/mach-davinci/board-da850-evm.c @@ -753,7 +753,7 @@ static struct snd_platform_data da850_evm_snd_data = { .num_serializer = ARRAY_SIZE(da850_iis_serializer_direction), .tdm_slots = 2, .serial_dir = da850_iis_serializer_direction, - .asp_chan_q = EVENTQ_1, + .asp_chan_q = EVENTQ_0, .version = MCASP_VERSION_2, .txnumevt = 1, .rxnumevt = 1, diff --git a/arch/arm/mach-davinci/board-dm365-evm.c b/arch/arm/mach-davinci/board-dm365-evm.c index 1918ae7..46e1f41 100644 --- a/arch/arm/mach-davinci/board-dm365-evm.c +++ b/arch/arm/mach-davinci/board-dm365-evm.c @@ -107,7 +107,7 @@ static struct mtd_partition davinci_nand_partitions[] = { /* UBL (a few copies) plus U-Boot */ .name = "bootloader", .offset = 0, - .size = 28 * NAND_BLOCK_SIZE, + .size = 30 * NAND_BLOCK_SIZE, .mask_flags = MTD_WRITEABLE, /* force read-only */ }, { /* U-Boot environment */ diff --git a/arch/arm/mach-davinci/board-dm646x-evm.c b/arch/arm/mach-davinci/board-dm646x-evm.c index e574d7f..635bf77 100644 --- a/arch/arm/mach-davinci/board-dm646x-evm.c +++ b/arch/arm/mach-davinci/board-dm646x-evm.c @@ -564,7 +564,7 @@ static int setup_vpif_input_channel_mode(int mux_mode) int val; u32 value; - if (!vpif_vsclkdis_reg || !cpld_client) + if (!vpif_vidclkctl_reg || !cpld_client) return -ENXIO; val = i2c_smbus_read_byte(cpld_client); @@ -572,7 +572,7 @@ static int setup_vpif_input_channel_mode(int mux_mode) return val; spin_lock_irqsave(&vpif_reg_lock, flags); - value = __raw_readl(vpif_vsclkdis_reg); + value = __raw_readl(vpif_vidclkctl_reg); if (mux_mode) { val &= VPIF_INPUT_TWO_CHANNEL; value |= VIDCH1CLK; @@ -580,7 +580,7 @@ static int setup_vpif_input_channel_mode(int mux_mode) val |= VPIF_INPUT_ONE_CHANNEL; value &= ~VIDCH1CLK; } - __raw_writel(value, vpif_vsclkdis_reg); + __raw_writel(value, vpif_vidclkctl_reg); spin_unlock_irqrestore(&vpif_reg_lock, flags); err = i2c_smbus_write_byte(cpld_client, val); diff --git a/arch/arm/mach-davinci/dm646x.c b/arch/arm/mach-davinci/dm646x.c index 0b68ed5..af27c13 100644 --- a/arch/arm/mach-davinci/dm646x.c +++ b/arch/arm/mach-davinci/dm646x.c @@ -161,7 +161,6 @@ static struct clk dsp_clk = { .name = "dsp", .parent = &pll1_sysclk1, .lpsc = DM646X_LPSC_C64X_CPU, - .flags = PSC_DSP, .usecount = 1, /* REVISIT how to disable? */ }; diff --git a/arch/arm/mach-davinci/include/mach/psc.h b/arch/arm/mach-davinci/include/mach/psc.h index fa59c09..8bc3fc2 100644 --- a/arch/arm/mach-davinci/include/mach/psc.h +++ b/arch/arm/mach-davinci/include/mach/psc.h @@ -233,7 +233,7 @@ #define PTCMD 0x120 #define PTSTAT 0x128 #define PDSTAT 0x200 -#define PDCTL1 0x304 +#define PDCTL 0x300 #define MDSTAT 0x800 #define MDCTL 0xA00 @@ -244,7 +244,10 @@ #define PSC_STATE_ENABLE 3 #define MDSTAT_STATE_MASK 0x3f +#define PDSTAT_STATE_MASK 0x1f #define MDCTL_FORCE BIT(31) +#define PDCTL_NEXT BIT(1) +#define PDCTL_EPCGOOD BIT(8) #ifndef __ASSEMBLER__ diff --git a/arch/arm/mach-davinci/psc.c b/arch/arm/mach-davinci/psc.c index 1fb6bdf..d7e210f 100644 --- a/arch/arm/mach-davinci/psc.c +++ b/arch/arm/mach-davinci/psc.c @@ -52,7 +52,7 @@ int __init davinci_psc_is_clk_active(unsigned int ctlr, unsigned int id) void davinci_psc_config(unsigned int domain, unsigned int ctlr, unsigned int id, bool enable, u32 flags) { - u32 epcpr, ptcmd, ptstat, pdstat, pdctl1, mdstat, mdctl; + u32 epcpr, ptcmd, ptstat, pdstat, pdctl, mdstat, mdctl; void __iomem *psc_base; struct davinci_soc_info *soc_info = &davinci_soc_info; u32 next_state = PSC_STATE_ENABLE; @@ -79,11 +79,11 @@ void davinci_psc_config(unsigned int domain, unsigned int ctlr, mdctl |= MDCTL_FORCE; __raw_writel(mdctl, psc_base + MDCTL + 4 * id); - pdstat = __raw_readl(psc_base + PDSTAT); - if ((pdstat & 0x00000001) == 0) { - pdctl1 = __raw_readl(psc_base + PDCTL1); - pdctl1 |= 0x1; - __raw_writel(pdctl1, psc_base + PDCTL1); + pdstat = __raw_readl(psc_base + PDSTAT + 4 * domain); + if ((pdstat & PDSTAT_STATE_MASK) == 0) { + pdctl = __raw_readl(psc_base + PDCTL + 4 * domain); + pdctl |= PDCTL_NEXT; + __raw_writel(pdctl, psc_base + PDCTL + 4 * domain); ptcmd = 1 << domain; __raw_writel(ptcmd, psc_base + PTCMD); @@ -92,9 +92,9 @@ void davinci_psc_config(unsigned int domain, unsigned int ctlr, epcpr = __raw_readl(psc_base + EPCPR); } while ((((epcpr >> domain) & 1) == 0)); - pdctl1 = __raw_readl(psc_base + PDCTL1); - pdctl1 |= 0x100; - __raw_writel(pdctl1, psc_base + PDCTL1); + pdctl = __raw_readl(psc_base + PDCTL + 4 * domain); + pdctl |= PDCTL_EPCGOOD; + __raw_writel(pdctl, psc_base + PDCTL + 4 * domain); } else { ptcmd = 1 << domain; __raw_writel(ptcmd, psc_base + PTCMD); diff --git a/arch/arm/mach-exynos/cpuidle.c b/arch/arm/mach-exynos/cpuidle.c index 35f6502..4ebb382 100644 --- a/arch/arm/mach-exynos/cpuidle.c +++ b/arch/arm/mach-exynos/cpuidle.c @@ -12,6 +12,8 @@ #include <linux/init.h> #include <linux/cpuidle.h> #include <linux/io.h> +#include <linux/export.h> +#include <linux/time.h> #include <asm/proc-fns.h> diff --git a/arch/arm/mach-exynos/mct.c b/arch/arm/mach-exynos/mct.c index 97343df..85b5527 100644 --- a/arch/arm/mach-exynos/mct.c +++ b/arch/arm/mach-exynos/mct.c @@ -44,8 +44,6 @@ struct mct_clock_event_device { char name[10]; }; -static DEFINE_PER_CPU(struct mct_clock_event_device, percpu_mct_tick); - static void exynos4_mct_write(unsigned int value, void *addr) { void __iomem *stat_addr; @@ -264,6 +262,9 @@ static void exynos4_clockevent_init(void) } #ifdef CONFIG_LOCAL_TIMERS + +static DEFINE_PER_CPU(struct mct_clock_event_device, percpu_mct_tick); + /* Clock event handling */ static void exynos4_mct_tick_stop(struct mct_clock_event_device *mevt) { @@ -428,9 +429,13 @@ int __cpuinit local_timer_setup(struct clock_event_device *evt) void local_timer_stop(struct clock_event_device *evt) { + unsigned int cpu = smp_processor_id(); evt->set_mode(CLOCK_EVT_MODE_UNUSED, evt); if (mct_int_type == MCT_INT_SPI) - disable_irq(evt->irq); + if (cpu == 0) + remove_irq(evt->irq, &mct_tick0_event_irq); + else + remove_irq(evt->irq, &mct_tick1_event_irq); else disable_percpu_irq(IRQ_MCT_LOCALTIMER); } @@ -443,6 +448,7 @@ static void __init exynos4_timer_resources(void) clk_rate = clk_get_rate(mct_clk); +#ifdef CONFIG_LOCAL_TIMERS if (mct_int_type == MCT_INT_PPI) { int err; @@ -452,6 +458,7 @@ static void __init exynos4_timer_resources(void) WARN(err, "MCT: can't request IRQ %d (%d)\n", IRQ_MCT_LOCALTIMER, err); } +#endif /* CONFIG_LOCAL_TIMERS */ } static void __init exynos4_timer_init(void) diff --git a/arch/arm/mach-highbank/highbank.c b/arch/arm/mach-highbank/highbank.c index b82dcf0..88660d5 100644 --- a/arch/arm/mach-highbank/highbank.c +++ b/arch/arm/mach-highbank/highbank.c @@ -22,6 +22,7 @@ #include <linux/of_irq.h> #include <linux/of_platform.h> #include <linux/of_address.h> +#include <linux/smp.h> #include <asm/cacheflush.h> #include <asm/unified.h> @@ -72,6 +73,9 @@ static void __init highbank_map_io(void) void highbank_set_cpu_jump(int cpu, void *jump_addr) { +#ifdef CONFIG_SMP + cpu = cpu_logical_map(cpu); +#endif writel(BSYM(virt_to_phys(jump_addr)), HB_JUMP_TABLE_VIRT(cpu)); __cpuc_flush_dcache_area(HB_JUMP_TABLE_VIRT(cpu), 16); outer_clean_range(HB_JUMP_TABLE_PHYS(cpu), diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig index 5f7f9c2..c44aa97 100644 --- a/arch/arm/mach-imx/Kconfig +++ b/arch/arm/mach-imx/Kconfig @@ -10,11 +10,6 @@ config HAVE_IMX_MMDC config HAVE_IMX_SRC bool -# -# ARCH_MX31 and ARCH_MX35 are left for compatibility -# Some usages assume that having one of them implies not having (e.g.) ARCH_MX2. -# To easily distinguish good and reviewed from unreviewed usages new (and IMHO -# more sensible) names are used: SOC_IMX31 and SOC_IMX35 config ARCH_MX1 bool @@ -27,12 +22,6 @@ config ARCH_MX25 config MACH_MX27 bool -config ARCH_MX31 - bool - -config ARCH_MX35 - bool - config SOC_IMX1 bool select ARCH_MX1 @@ -72,7 +61,6 @@ config SOC_IMX31 select CPU_V6 select IMX_HAVE_PLATFORM_MXC_RNGA select ARCH_MXC_AUDMUX_V2 - select ARCH_MX31 select MXC_AVIC select SMP_ON_UP if SMP @@ -82,7 +70,6 @@ config SOC_IMX35 select ARCH_MXC_IOMUX_V3 select ARCH_MXC_AUDMUX_V2 select HAVE_EPIT - select ARCH_MX35 select MXC_AVIC select SMP_ON_UP if SMP diff --git a/arch/arm/mach-imx/clock-imx6q.c b/arch/arm/mach-imx/clock-imx6q.c index 613a1b9..039a7ab 100644 --- a/arch/arm/mach-imx/clock-imx6q.c +++ b/arch/arm/mach-imx/clock-imx6q.c @@ -1953,14 +1953,17 @@ static struct map_desc imx6q_clock_desc[] = { imx_map_entry(MX6Q, ANATOP, MT_DEVICE), }; +void __init imx6q_clock_map_io(void) +{ + iotable_init(imx6q_clock_desc, ARRAY_SIZE(imx6q_clock_desc)); +} + int __init mx6q_clocks_init(void) { struct device_node *np; void __iomem *base; int i, irq; - iotable_init(imx6q_clock_desc, ARRAY_SIZE(imx6q_clock_desc)); - /* retrieve the freqency of fixed clocks from device tree */ for_each_compatible_node(np, NULL, "fixed-clock") { u32 rate; diff --git a/arch/arm/mach-imx/mach-imx6q.c b/arch/arm/mach-imx/mach-imx6q.c index 8bf5fa3..8deb012 100644 --- a/arch/arm/mach-imx/mach-imx6q.c +++ b/arch/arm/mach-imx/mach-imx6q.c @@ -34,16 +34,18 @@ static void __init imx6q_map_io(void) { imx_lluart_map_io(); imx_scu_map_io(); + imx6q_clock_map_io(); } -static void __init imx6q_gpio_add_irq_domain(struct device_node *np, +static int __init imx6q_gpio_add_irq_domain(struct device_node *np, struct device_node *interrupt_parent) { - static int gpio_irq_base = MXC_GPIO_IRQ_START + ARCH_NR_GPIOS - - 32 * 7; /* imx6q gets 7 gpio ports */ + static int gpio_irq_base = MXC_GPIO_IRQ_START + ARCH_NR_GPIOS; + gpio_irq_base -= 32; irq_domain_add_simple(np, gpio_irq_base); - gpio_irq_base += 32; + + return 0; } static const struct of_device_id imx6q_irq_match[] __initconst = { diff --git a/arch/arm/mach-imx/mm-imx3.c b/arch/arm/mach-imx/mm-imx3.c index 9f0e82e..31807d2 100644 --- a/arch/arm/mach-imx/mm-imx3.c +++ b/arch/arm/mach-imx/mm-imx3.c @@ -33,29 +33,32 @@ static void imx3_idle(void) { unsigned long reg = 0; - __asm__ __volatile__( - /* disable I and D cache */ - "mrc p15, 0, %0, c1, c0, 0\n" - "bic %0, %0, #0x00001000\n" - "bic %0, %0, #0x00000004\n" - "mcr p15, 0, %0, c1, c0, 0\n" - /* invalidate I cache */ - "mov %0, #0\n" - "mcr p15, 0, %0, c7, c5, 0\n" - /* clear and invalidate D cache */ - "mov %0, #0\n" - "mcr p15, 0, %0, c7, c14, 0\n" - /* WFI */ - "mov %0, #0\n" - "mcr p15, 0, %0, c7, c0, 4\n" - "nop\n" "nop\n" "nop\n" "nop\n" - "nop\n" "nop\n" "nop\n" - /* enable I and D cache */ - "mrc p15, 0, %0, c1, c0, 0\n" - "orr %0, %0, #0x00001000\n" - "orr %0, %0, #0x00000004\n" - "mcr p15, 0, %0, c1, c0, 0\n" - : "=r" (reg)); + + if (!need_resched()) + __asm__ __volatile__( + /* disable I and D cache */ + "mrc p15, 0, %0, c1, c0, 0\n" + "bic %0, %0, #0x00001000\n" + "bic %0, %0, #0x00000004\n" + "mcr p15, 0, %0, c1, c0, 0\n" + /* invalidate I cache */ + "mov %0, #0\n" + "mcr p15, 0, %0, c7, c5, 0\n" + /* clear and invalidate D cache */ + "mov %0, #0\n" + "mcr p15, 0, %0, c7, c14, 0\n" + /* WFI */ + "mov %0, #0\n" + "mcr p15, 0, %0, c7, c0, 4\n" + "nop\n" "nop\n" "nop\n" "nop\n" + "nop\n" "nop\n" "nop\n" + /* enable I and D cache */ + "mrc p15, 0, %0, c1, c0, 0\n" + "orr %0, %0, #0x00001000\n" + "orr %0, %0, #0x00000004\n" + "mcr p15, 0, %0, c1, c0, 0\n" + : "=r" (reg)); + local_irq_enable(); } static void __iomem *imx3_ioremap(unsigned long phys_addr, size_t size, @@ -108,6 +111,7 @@ void imx3_init_l2x0(void) l2x0_init(l2x0_base, 0x00030024, 0x00000000); } +#ifdef CONFIG_SOC_IMX31 static struct map_desc mx31_io_desc[] __initdata = { imx_map_entry(MX31, X_MEMC, MT_DEVICE), imx_map_entry(MX31, AVIC, MT_DEVICE_NONSHARED), @@ -126,33 +130,11 @@ void __init mx31_map_io(void) iotable_init(mx31_io_desc, ARRAY_SIZE(mx31_io_desc)); } -static struct map_desc mx35_io_desc[] __initdata = { - imx_map_entry(MX35, X_MEMC, MT_DEVICE), - imx_map_entry(MX35, AVIC, MT_DEVICE_NONSHARED), - imx_map_entry(MX35, AIPS1, MT_DEVICE_NONSHARED), - imx_map_entry(MX35, AIPS2, MT_DEVICE_NONSHARED), - imx_map_entry(MX35, SPBA0, MT_DEVICE_NONSHARED), -}; - -void __init mx35_map_io(void) -{ - iotable_init(mx35_io_desc, ARRAY_SIZE(mx35_io_desc)); -} - void __init imx31_init_early(void) { mxc_set_cpu_type(MXC_CPU_MX31); mxc_arch_reset_init(MX31_IO_ADDRESS(MX31_WDOG_BASE_ADDR)); - imx_idle = imx3_idle; - imx_ioremap = imx3_ioremap; -} - -void __init imx35_init_early(void) -{ - mxc_set_cpu_type(MXC_CPU_MX35); - mxc_iomux_v3_init(MX35_IO_ADDRESS(MX35_IOMUXC_BASE_ADDR)); - mxc_arch_reset_init(MX35_IO_ADDRESS(MX35_WDOG_BASE_ADDR)); - imx_idle = imx3_idle; + pm_idle = imx3_idle; imx_ioremap = imx3_ioremap; } @@ -161,11 +143,6 @@ void __init mx31_init_irq(void) mxc_init_irq(MX31_IO_ADDRESS(MX31_AVIC_BASE_ADDR)); } -void __init mx35_init_irq(void) -{ - mxc_init_irq(MX35_IO_ADDRESS(MX35_AVIC_BASE_ADDR)); -} - static struct sdma_script_start_addrs imx31_to1_sdma_script __initdata = { .per_2_per_addr = 1677, }; @@ -199,6 +176,35 @@ void __init imx31_soc_init(void) imx_add_imx_sdma("imx31-sdma", MX31_SDMA_BASE_ADDR, MX31_INT_SDMA, &imx31_sdma_pdata); } +#endif /* ifdef CONFIG_SOC_IMX31 */ + +#ifdef CONFIG_SOC_IMX35 +static struct map_desc mx35_io_desc[] __initdata = { + imx_map_entry(MX35, X_MEMC, MT_DEVICE), + imx_map_entry(MX35, AVIC, MT_DEVICE_NONSHARED), + imx_map_entry(MX35, AIPS1, MT_DEVICE_NONSHARED), + imx_map_entry(MX35, AIPS2, MT_DEVICE_NONSHARED), + imx_map_entry(MX35, SPBA0, MT_DEVICE_NONSHARED), +}; + +void __init mx35_map_io(void) +{ + iotable_init(mx35_io_desc, ARRAY_SIZE(mx35_io_desc)); +} + +void __init imx35_init_early(void) +{ + mxc_set_cpu_type(MXC_CPU_MX35); + mxc_iomux_v3_init(MX35_IO_ADDRESS(MX35_IOMUXC_BASE_ADDR)); + mxc_arch_reset_init(MX35_IO_ADDRESS(MX35_WDOG_BASE_ADDR)); + pm_idle = imx3_idle; + imx_ioremap = imx3_ioremap; +} + +void __init mx35_init_irq(void) +{ + mxc_init_irq(MX35_IO_ADDRESS(MX35_AVIC_BASE_ADDR)); +} static struct sdma_script_start_addrs imx35_to1_sdma_script __initdata = { .ap_2_ap_addr = 642, @@ -254,3 +260,4 @@ void __init imx35_soc_init(void) imx_add_imx_sdma("imx35-sdma", MX35_SDMA_BASE_ADDR, MX35_INT_SDMA, &imx35_sdma_pdata); } +#endif /* ifdef CONFIG_SOC_IMX35 */ diff --git a/arch/arm/mach-imx/src.c b/arch/arm/mach-imx/src.c index 36cacbd..a8e3368 100644 --- a/arch/arm/mach-imx/src.c +++ b/arch/arm/mach-imx/src.c @@ -14,6 +14,7 @@ #include <linux/io.h> #include <linux/of.h> #include <linux/of_address.h> +#include <linux/smp.h> #include <asm/unified.h> #define SRC_SCR 0x000 @@ -23,10 +24,15 @@ static void __iomem *src_base; +#ifndef CONFIG_SMP +#define cpu_logical_map(cpu) 0 +#endif + void imx_enable_cpu(int cpu, bool enable) { u32 mask, val; + cpu = cpu_logical_map(cpu); mask = 1 << (BP_SRC_SCR_CORE1_ENABLE + cpu - 1); val = readl_relaxed(src_base + SRC_SCR); val = enable ? val | mask : val & ~mask; @@ -35,6 +41,7 @@ void imx_enable_cpu(int cpu, bool enable) void imx_set_cpu_jump(int cpu, void *jump_addr) { + cpu = cpu_logical_map(cpu); writel_relaxed(BSYM(virt_to_phys(jump_addr)), src_base + SRC_GPR1 + cpu * 8); } diff --git a/arch/arm/mach-mmp/gplugd.c b/arch/arm/mach-mmp/gplugd.c index 6915656..4665767 100644 --- a/arch/arm/mach-mmp/gplugd.c +++ b/arch/arm/mach-mmp/gplugd.c @@ -182,7 +182,7 @@ static void __init gplugd_init(void) /* on-chip devices */ pxa168_add_uart(3); - pxa168_add_ssp(0); + pxa168_add_ssp(1); pxa168_add_twsi(0, NULL, ARRAY_AND_SIZE(gplugd_i2c_board_info)); pxa168_add_eth(&gplugd_eth_platform_data); diff --git a/arch/arm/mach-mmp/include/mach/gpio-pxa.h b/arch/arm/mach-mmp/include/mach/gpio-pxa.h index d14eeaf..99b4ce1 100644 --- a/arch/arm/mach-mmp/include/mach/gpio-pxa.h +++ b/arch/arm/mach-mmp/include/mach/gpio-pxa.h @@ -7,7 +7,7 @@ #define GPIO_REGS_VIRT (APB_VIRT_BASE + 0x19000) #define BANK_OFF(n) (((n) < 3) ? (n) << 2 : 0x100 + (((n) - 3) << 2)) -#define GPIO_REG(x) (GPIO_REGS_VIRT + (x)) +#define GPIO_REG(x) (*(volatile u32 *)(GPIO_REGS_VIRT + (x))) #define NR_BUILTIN_GPIO IRQ_GPIO_NUM diff --git a/arch/arm/mach-msm/devices-iommu.c b/arch/arm/mach-msm/devices-iommu.c index 24030d0..0fb7a17 100644 --- a/arch/arm/mach-msm/devices-iommu.c +++ b/arch/arm/mach-msm/devices-iommu.c @@ -18,6 +18,7 @@ #include <linux/kernel.h> #include <linux/platform_device.h> #include <linux/bootmem.h> +#include <linux/module.h> #include <mach/irqs.h> #include <mach/iommu.h> diff --git a/arch/arm/mach-mx5/board-mx51_babbage.c b/arch/arm/mach-mx5/board-mx51_babbage.c index 5c83760..24994bb 100644 --- a/arch/arm/mach-mx5/board-mx51_babbage.c +++ b/arch/arm/mach-mx5/board-mx51_babbage.c @@ -362,7 +362,7 @@ static void __init mx51_babbage_init(void) { iomux_v3_cfg_t usbh1stp = MX51_PAD_USBH1_STP__USBH1_STP; iomux_v3_cfg_t power_key = NEW_PAD_CTRL(MX51_PAD_EIM_A27__GPIO2_21, - PAD_CTL_SRE_FAST | PAD_CTL_DSE_HIGH | PAD_CTL_PUS_100K_UP); + PAD_CTL_SRE_FAST | PAD_CTL_DSE_HIGH); imx51_soc_init(); diff --git a/arch/arm/mach-mx5/board-mx53_evk.c b/arch/arm/mach-mx5/board-mx53_evk.c index 6bea31a..64bbfce 100644 --- a/arch/arm/mach-mx5/board-mx53_evk.c +++ b/arch/arm/mach-mx5/board-mx53_evk.c @@ -106,7 +106,7 @@ static inline void mx53_evk_fec_reset(void) gpio_set_value(MX53_EVK_FEC_PHY_RST, 1); } -static struct fec_platform_data mx53_evk_fec_pdata = { +static const struct fec_platform_data mx53_evk_fec_pdata __initconst = { .phy = PHY_INTERFACE_MODE_RMII, }; diff --git a/arch/arm/mach-mx5/board-mx53_loco.c b/arch/arm/mach-mx5/board-mx53_loco.c index 7678f77..237bdec 100644 --- a/arch/arm/mach-mx5/board-mx53_loco.c +++ b/arch/arm/mach-mx5/board-mx53_loco.c @@ -242,7 +242,7 @@ static inline void mx53_loco_fec_reset(void) gpio_set_value(LOCO_FEC_PHY_RST, 1); } -static struct fec_platform_data mx53_loco_fec_data = { +static const struct fec_platform_data mx53_loco_fec_data __initconst = { .phy = PHY_INTERFACE_MODE_RMII, }; diff --git a/arch/arm/mach-mx5/board-mx53_smd.c b/arch/arm/mach-mx5/board-mx53_smd.c index 59c0845..d42132a 100644 --- a/arch/arm/mach-mx5/board-mx53_smd.c +++ b/arch/arm/mach-mx5/board-mx53_smd.c @@ -104,7 +104,7 @@ static inline void mx53_smd_fec_reset(void) gpio_set_value(SMD_FEC_PHY_RST, 1); } -static struct fec_platform_data mx53_smd_fec_data = { +static const struct fec_platform_data mx53_smd_fec_data __initconst = { .phy = PHY_INTERFACE_MODE_RMII, }; diff --git a/arch/arm/mach-mx5/cpu.c b/arch/arm/mach-mx5/cpu.c index 5c53282..5e2e7a8 100644 --- a/arch/arm/mach-mx5/cpu.c +++ b/arch/arm/mach-mx5/cpu.c @@ -16,7 +16,7 @@ #include <linux/init.h> #include <linux/module.h> #include <mach/hardware.h> -#include <asm/io.h> +#include <linux/io.h> static int mx5_cpu_rev = -1; @@ -67,7 +67,8 @@ static int __init mx51_neon_fixup(void) if (!cpu_is_mx51()) return 0; - if (mx51_revision() < IMX_CHIP_REVISION_3_0 && (elf_hwcap & HWCAP_NEON)) { + if (mx51_revision() < IMX_CHIP_REVISION_3_0 && + (elf_hwcap & HWCAP_NEON)) { elf_hwcap &= ~HWCAP_NEON; pr_info("Turning off NEON support, detected broken NEON implementation\n"); } diff --git a/arch/arm/mach-mx5/imx51-dt.c b/arch/arm/mach-mx5/imx51-dt.c index ccc6158..596edd9 100644 --- a/arch/arm/mach-mx5/imx51-dt.c +++ b/arch/arm/mach-mx5/imx51-dt.c @@ -44,20 +44,22 @@ static const struct of_dev_auxdata imx51_auxdata_lookup[] __initconst = { { /* sentinel */ } }; -static void __init imx51_tzic_add_irq_domain(struct device_node *np, +static int __init imx51_tzic_add_irq_domain(struct device_node *np, struct device_node *interrupt_parent) { irq_domain_add_simple(np, 0); + return 0; } -static void __init imx51_gpio_add_irq_domain(struct device_node *np, +static int __init imx51_gpio_add_irq_domain(struct device_node *np, struct device_node *interrupt_parent) { - static int gpio_irq_base = MXC_GPIO_IRQ_START + ARCH_NR_GPIOS - - 32 * 4; /* imx51 gets 4 gpio ports */ + static int gpio_irq_base = MXC_GPIO_IRQ_START + ARCH_NR_GPIOS; + gpio_irq_base -= 32; irq_domain_add_simple(np, gpio_irq_base); - gpio_irq_base += 32; + + return 0; } static const struct of_device_id imx51_irq_match[] __initconst = { diff --git a/arch/arm/mach-mx5/imx53-dt.c b/arch/arm/mach-mx5/imx53-dt.c index ccaa0b8..85bfd5f 100644 --- a/arch/arm/mach-mx5/imx53-dt.c +++ b/arch/arm/mach-mx5/imx53-dt.c @@ -48,20 +48,22 @@ static const struct of_dev_auxdata imx53_auxdata_lookup[] __initconst = { { /* sentinel */ } }; -static void __init imx53_tzic_add_irq_domain(struct device_node *np, +static int __init imx53_tzic_add_irq_domain(struct device_node *np, struct device_node *interrupt_parent) { irq_domain_add_simple(np, 0); + return 0; } -static void __init imx53_gpio_add_irq_domain(struct device_node *np, +static int __init imx53_gpio_add_irq_domain(struct device_node *np, struct device_node *interrupt_parent) { - static int gpio_irq_base = MXC_GPIO_IRQ_START + ARCH_NR_GPIOS - - 32 * 7; /* imx53 gets 7 gpio ports */ + static int gpio_irq_base = MXC_GPIO_IRQ_START + ARCH_NR_GPIOS; + gpio_irq_base -= 32; irq_domain_add_simple(np, gpio_irq_base); - gpio_irq_base += 32; + + return 0; } static const struct of_device_id imx53_irq_match[] __initconst = { diff --git a/arch/arm/mach-mx5/mm.c b/arch/arm/mach-mx5/mm.c index 26eacc9..df4a508f 100644 --- a/arch/arm/mach-mx5/mm.c +++ b/arch/arm/mach-mx5/mm.c @@ -23,7 +23,9 @@ static void imx5_idle(void) { - mx5_cpu_lp_set(WAIT_UNCLOCKED_POWER_OFF); + if (!need_resched()) + mx5_cpu_lp_set(WAIT_UNCLOCKED_POWER_OFF); + local_irq_enable(); } /* @@ -89,7 +91,7 @@ void __init imx51_init_early(void) mxc_set_cpu_type(MXC_CPU_MX51); mxc_iomux_v3_init(MX51_IO_ADDRESS(MX51_IOMUXC_BASE_ADDR)); mxc_arch_reset_init(MX51_IO_ADDRESS(MX51_WDOG1_BASE_ADDR)); - imx_idle = imx5_idle; + pm_idle = imx5_idle; } void __init imx53_init_early(void) diff --git a/arch/arm/mach-mxs/clock-mx28.c b/arch/arm/mach-mxs/clock-mx28.c index 229ae34..da6e4aa 100644 --- a/arch/arm/mach-mxs/clock-mx28.c +++ b/arch/arm/mach-mxs/clock-mx28.c @@ -404,7 +404,7 @@ static int name##_set_rate(struct clk *clk, unsigned long rate) \ reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_##dr); \ reg &= ~BM_CLKCTRL_##dr##_DIV; \ reg |= div << BP_CLKCTRL_##dr##_DIV; \ - if (reg | (1 << clk->enable_shift)) { \ + if (reg & (1 << clk->enable_shift)) { \ pr_err("%s: clock is gated\n", __func__); \ return -EINVAL; \ } \ diff --git a/arch/arm/mach-mxs/include/mach/mx28.h b/arch/arm/mach-mxs/include/mach/mx28.h index 75d8611..30c7990 100644 --- a/arch/arm/mach-mxs/include/mach/mx28.h +++ b/arch/arm/mach-mxs/include/mach/mx28.h @@ -104,8 +104,8 @@ #define MX28_INT_CAN1 9 #define MX28_INT_LRADC_TOUCH 10 #define MX28_INT_HSADC 13 -#define MX28_INT_IRADC_THRESH0 14 -#define MX28_INT_IRADC_THRESH1 15 +#define MX28_INT_LRADC_THRESH0 14 +#define MX28_INT_LRADC_THRESH1 15 #define MX28_INT_LRADC_CH0 16 #define MX28_INT_LRADC_CH1 17 #define MX28_INT_LRADC_CH2 18 diff --git a/arch/arm/mach-mxs/include/mach/mxs.h b/arch/arm/mach-mxs/include/mach/mxs.h index 0d2d2b4..bde5f66 100644 --- a/arch/arm/mach-mxs/include/mach/mxs.h +++ b/arch/arm/mach-mxs/include/mach/mxs.h @@ -30,6 +30,7 @@ */ #define cpu_is_mx23() ( \ machine_is_mx23evk() || \ + machine_is_stmp378x() || \ 0) #define cpu_is_mx28() ( \ machine_is_mx28evk() || \ diff --git a/arch/arm/mach-mxs/mach-m28evk.c b/arch/arm/mach-mxs/mach-m28evk.c index 3b1681e..6b00577 100644 --- a/arch/arm/mach-mxs/mach-m28evk.c +++ b/arch/arm/mach-mxs/mach-m28evk.c @@ -361,6 +361,6 @@ static struct sys_timer m28evk_timer = { MACHINE_START(M28EVK, "DENX M28 EVK") .map_io = mx28_map_io, .init_irq = mx28_init_irq, - .init_machine = m28evk_init, .timer = &m28evk_timer, + .init_machine = m28evk_init, MACHINE_END diff --git a/arch/arm/mach-mxs/mach-stmp378x_devb.c b/arch/arm/mach-mxs/mach-stmp378x_devb.c index 177e531..6834dea 100644 --- a/arch/arm/mach-mxs/mach-stmp378x_devb.c +++ b/arch/arm/mach-mxs/mach-stmp378x_devb.c @@ -115,6 +115,6 @@ static struct sys_timer stmp378x_dvb_timer = { MACHINE_START(STMP378X, "STMP378X") .map_io = mx23_map_io, .init_irq = mx23_init_irq, - .init_machine = stmp378x_dvb_init, .timer = &stmp378x_dvb_timer, + .init_machine = stmp378x_dvb_init, MACHINE_END diff --git a/arch/arm/mach-mxs/module-tx28.c b/arch/arm/mach-mxs/module-tx28.c index 0fcff47..9a7b08b 100644 --- a/arch/arm/mach-mxs/module-tx28.c +++ b/arch/arm/mach-mxs/module-tx28.c @@ -66,11 +66,11 @@ static const iomux_cfg_t tx28_fec1_pads[] __initconst = { MX28_PAD_ENET0_CRS__ENET1_RX_EN, }; -static struct fec_platform_data tx28_fec0_data = { +static const struct fec_platform_data tx28_fec0_data __initconst = { .phy = PHY_INTERFACE_MODE_RMII, }; -static struct fec_platform_data tx28_fec1_data = { +static const struct fec_platform_data tx28_fec1_data __initconst = { .phy = PHY_INTERFACE_MODE_RMII, }; diff --git a/arch/arm/mach-omap1/Kconfig b/arch/arm/mach-omap1/Kconfig index e0a0281..73f287d 100644 --- a/arch/arm/mach-omap1/Kconfig +++ b/arch/arm/mach-omap1/Kconfig @@ -171,14 +171,6 @@ config MACH_OMAP_GENERIC comment "OMAP CPU Speed" depends on ARCH_OMAP1 -config OMAP_CLOCKS_SET_BY_BOOTLOADER - bool "OMAP clocks set by bootloader" - depends on ARCH_OMAP1 - help - Enable this option to prevent the kernel from overriding the clock - frequencies programmed by bootloader for MPU, DSP, MMUs, TC, - internal LCD controller and MPU peripherals. - config OMAP_ARM_216MHZ bool "OMAP ARM 216 MHz CPU (1710 only)" depends on ARCH_OMAP1 && ARCH_OMAP16XX diff --git a/arch/arm/mach-omap1/board-ams-delta.c b/arch/arm/mach-omap1/board-ams-delta.c index 51bae31..b0f15d2 100644 --- a/arch/arm/mach-omap1/board-ams-delta.c +++ b/arch/arm/mach-omap1/board-ams-delta.c @@ -302,8 +302,6 @@ static void __init ams_delta_init(void) omap_cfg_reg(J19_1610_CAM_D6); omap_cfg_reg(J18_1610_CAM_D7); - iotable_init(ams_delta_io_desc, ARRAY_SIZE(ams_delta_io_desc)); - omap_board_config = ams_delta_config; omap_board_config_size = ARRAY_SIZE(ams_delta_config); omap_serial_init(); @@ -373,10 +371,16 @@ static int __init ams_delta_modem_init(void) } arch_initcall(ams_delta_modem_init); +static void __init ams_delta_map_io(void) +{ + omap15xx_map_io(); + iotable_init(ams_delta_io_desc, ARRAY_SIZE(ams_delta_io_desc)); +} + MACHINE_START(AMS_DELTA, "Amstrad E3 (Delta)") /* Maintainer: Jonathan McDowell <noodles@earth.li> */ .atag_offset = 0x100, - .map_io = omap15xx_map_io, + .map_io = ams_delta_map_io, .init_early = omap1_init_early, .reserve = omap_reserve, .init_irq = omap1_init_irq, diff --git a/arch/arm/mach-omap1/clock.h b/arch/arm/mach-omap1/clock.h index eaf09ef..16b1423 100644 --- a/arch/arm/mach-omap1/clock.h +++ b/arch/arm/mach-omap1/clock.h @@ -17,7 +17,8 @@ #include <plat/clock.h> -extern int __init omap1_clk_init(void); +int omap1_clk_init(void); +void omap1_clk_late_init(void); extern int omap1_clk_enable(struct clk *clk); extern void omap1_clk_disable(struct clk *clk); extern long omap1_clk_round_rate(struct clk *clk, unsigned long rate); diff --git a/arch/arm/mach-omap1/clock_data.c b/arch/arm/mach-omap1/clock_data.c index 92400b9..9ff90a7 100644 --- a/arch/arm/mach-omap1/clock_data.c +++ b/arch/arm/mach-omap1/clock_data.c @@ -16,6 +16,8 @@ #include <linux/kernel.h> #include <linux/clk.h> +#include <linux/cpufreq.h> +#include <linux/delay.h> #include <linux/io.h> #include <asm/mach-types.h> /* for machine_is_* */ @@ -767,6 +769,15 @@ static struct clk_functions omap1_clk_functions = { .clk_disable_unused = omap1_clk_disable_unused, }; +static void __init omap1_show_rates(void) +{ + pr_notice("Clocking rate (xtal/DPLL1/MPU): " + "%ld.%01ld/%ld.%01ld/%ld.%01ld MHz\n", + ck_ref.rate / 1000000, (ck_ref.rate / 100000) % 10, + ck_dpll1.rate / 1000000, (ck_dpll1.rate / 100000) % 10, + arm_ck.rate / 1000000, (arm_ck.rate / 100000) % 10); +} + int __init omap1_clk_init(void) { struct omap_clk *c; @@ -835,9 +846,12 @@ int __init omap1_clk_init(void) /* We want to be in syncronous scalable mode */ omap_writew(0x1000, ARM_SYSST); -#ifdef CONFIG_OMAP_CLOCKS_SET_BY_BOOTLOADER - /* Use values set by bootloader. Determine PLL rate and recalculate - * dependent clocks as if kernel had changed PLL or divisors. + + /* + * Initially use the values set by bootloader. Determine PLL rate and + * recalculate dependent clocks as if kernel had changed PLL or + * divisors. See also omap1_clk_late_init() that can reprogram dpll1 + * after the SRAM is initialized. */ { unsigned pll_ctl_val = omap_readw(DPLL_CTL); @@ -862,25 +876,10 @@ int __init omap1_clk_init(void) } } } -#else - /* Find the highest supported frequency and enable it */ - if (omap1_select_table_rate(&virtual_ck_mpu, ~0)) { - printk(KERN_ERR "System frequencies not set. Check your config.\n"); - /* Guess sane values (60MHz) */ - omap_writew(0x2290, DPLL_CTL); - omap_writew(cpu_is_omap7xx() ? 0x3005 : 0x1005, ARM_CKCTL); - ck_dpll1.rate = 60000000; - } -#endif propagate_rate(&ck_dpll1); /* Cache rates for clocks connected to ck_ref (not dpll1) */ propagate_rate(&ck_ref); - printk(KERN_INFO "Clocking rate (xtal/DPLL1/MPU): " - "%ld.%01ld/%ld.%01ld/%ld.%01ld MHz\n", - ck_ref.rate / 1000000, (ck_ref.rate / 100000) % 10, - ck_dpll1.rate / 1000000, (ck_dpll1.rate / 100000) % 10, - arm_ck.rate / 1000000, (arm_ck.rate / 100000) % 10); - + omap1_show_rates(); if (machine_is_omap_perseus2() || machine_is_omap_fsample()) { /* Select slicer output as OMAP input clock */ omap_writew(omap_readw(OMAP7XX_PCC_UPLD_CTRL) & ~0x1, @@ -925,3 +924,27 @@ int __init omap1_clk_init(void) return 0; } + +#define OMAP1_DPLL1_SANE_VALUE 60000000 + +void __init omap1_clk_late_init(void) +{ + unsigned long rate = ck_dpll1.rate; + + if (rate >= OMAP1_DPLL1_SANE_VALUE) + return; + + /* System booting at unusable rate, force reprogramming of DPLL1 */ + ck_dpll1_p->rate = 0; + + /* Find the highest supported frequency and enable it */ + if (omap1_select_table_rate(&virtual_ck_mpu, ~0)) { + pr_err("System frequencies not set, using default. Check your config.\n"); + omap_writew(0x2290, DPLL_CTL); + omap_writew(cpu_is_omap7xx() ? 0x2005 : 0x0005, ARM_CKCTL); + ck_dpll1.rate = OMAP1_DPLL1_SANE_VALUE; + } + propagate_rate(&ck_dpll1); + omap1_show_rates(); + loops_per_jiffy = cpufreq_scale(loops_per_jiffy, rate, ck_dpll1.rate); +} diff --git a/arch/arm/mach-omap1/devices.c b/arch/arm/mach-omap1/devices.c index 48ef988..475cb2f 100644 --- a/arch/arm/mach-omap1/devices.c +++ b/arch/arm/mach-omap1/devices.c @@ -30,6 +30,8 @@ #include <plat/omap7xx.h> #include <plat/mcbsp.h> +#include "clock.h" + /*-------------------------------------------------------------------------*/ #if defined(CONFIG_RTC_DRV_OMAP) || defined(CONFIG_RTC_DRV_OMAP_MODULE) @@ -293,6 +295,7 @@ static int __init omap1_init_devices(void) return -ENODEV; omap_sram_init(); + omap1_clk_late_init(); /* please keep these calls, and their implementations above, * in alphabetical order so they're easier to sort through. diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig index 5034147..e1293aa 100644 --- a/arch/arm/mach-omap2/Kconfig +++ b/arch/arm/mach-omap2/Kconfig @@ -334,6 +334,7 @@ config MACH_OMAP4_PANDA config OMAP3_EMU bool "OMAP3 debugging peripherals" depends on ARCH_OMAP3 + select ARM_AMBA select OC_ETM help Say Y here to enable debugging hardware of omap3 diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile index 69ab1c0..b009f17 100644 --- a/arch/arm/mach-omap2/Makefile +++ b/arch/arm/mach-omap2/Makefile @@ -4,7 +4,7 @@ # Common support obj-y := id.o io.o control.o mux.o devices.o serial.o gpmc.o timer.o pm.o \ - common.o gpio.o dma.o wd_timer.o + common.o gpio.o dma.o wd_timer.o display.o omap-2-3-common = irq.o sdrc.o hwmod-common = omap_hwmod.o \ @@ -264,7 +264,4 @@ smsc911x-$(CONFIG_SMSC911X) := gpmc-smsc911x.o obj-y += $(smsc911x-m) $(smsc911x-y) obj-$(CONFIG_ARCH_OMAP4) += hwspinlock.o -disp-$(CONFIG_OMAP2_DSS) := display.o -obj-y += $(disp-m) $(disp-y) - obj-y += common-board-devices.o twl-common.o diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c index ba1aa07..c15c5c9 100644 --- a/arch/arm/mach-omap2/board-rx51-peripherals.c +++ b/arch/arm/mach-omap2/board-rx51-peripherals.c @@ -193,7 +193,7 @@ static struct platform_device rx51_charger_device = { static void __init rx51_charger_init(void) { WARN_ON(gpio_request_one(RX51_USB_TRANSCEIVER_RST_GPIO, - GPIOF_OUT_INIT_LOW, "isp1704_reset")); + GPIOF_OUT_INIT_HIGH, "isp1704_reset")); platform_device_register(&rx51_charger_device); } diff --git a/arch/arm/mach-omap2/cpuidle34xx.c b/arch/arm/mach-omap2/cpuidle34xx.c index 1fe35c2..942bb4f 100644 --- a/arch/arm/mach-omap2/cpuidle34xx.c +++ b/arch/arm/mach-omap2/cpuidle34xx.c @@ -24,6 +24,7 @@ #include <linux/sched.h> #include <linux/cpuidle.h> +#include <linux/export.h> #include <plat/prcm.h> #include <plat/irqs.h> diff --git a/arch/arm/mach-omap2/display.c b/arch/arm/mach-omap2/display.c index adb2756..dce9905 100644 --- a/arch/arm/mach-omap2/display.c +++ b/arch/arm/mach-omap2/display.c @@ -27,8 +27,35 @@ #include <plat/omap_hwmod.h> #include <plat/omap_device.h> #include <plat/omap-pm.h> +#include <plat/common.h> #include "control.h" +#include "display.h" + +#define DISPC_CONTROL 0x0040 +#define DISPC_CONTROL2 0x0238 +#define DISPC_IRQSTATUS 0x0018 + +#define DSS_SYSCONFIG 0x10 +#define DSS_SYSSTATUS 0x14 +#define DSS_CONTROL 0x40 +#define DSS_SDI_CONTROL 0x44 +#define DSS_PLL_CONTROL 0x48 + +#define LCD_EN_MASK (0x1 << 0) +#define DIGIT_EN_MASK (0x1 << 1) + +#define FRAMEDONE_IRQ_SHIFT 0 +#define EVSYNC_EVEN_IRQ_SHIFT 2 +#define EVSYNC_ODD_IRQ_SHIFT 3 +#define FRAMEDONE2_IRQ_SHIFT 22 +#define FRAMEDONETV_IRQ_SHIFT 24 + +/* + * FRAMEDONE_IRQ_TIMEOUT: how long (in milliseconds) to wait during DISPC + * reset before deciding that something has gone wrong + */ +#define FRAMEDONE_IRQ_TIMEOUT 100 static struct platform_device omap_display_device = { .name = "omapdss", @@ -172,3 +199,135 @@ int __init omap_display_init(struct omap_dss_board_info *board_data) return r; } + +static void dispc_disable_outputs(void) +{ + u32 v, irq_mask = 0; + bool lcd_en, digit_en, lcd2_en = false; + int i; + struct omap_dss_dispc_dev_attr *da; + struct omap_hwmod *oh; + + oh = omap_hwmod_lookup("dss_dispc"); + if (!oh) { + WARN(1, "display: could not disable outputs during reset - could not find dss_dispc hwmod\n"); + return; + } + + if (!oh->dev_attr) { + pr_err("display: could not disable outputs during reset due to missing dev_attr\n"); + return; + } + + da = (struct omap_dss_dispc_dev_attr *)oh->dev_attr; + + /* store value of LCDENABLE and DIGITENABLE bits */ + v = omap_hwmod_read(oh, DISPC_CONTROL); + lcd_en = v & LCD_EN_MASK; + digit_en = v & DIGIT_EN_MASK; + + /* store value of LCDENABLE for LCD2 */ + if (da->manager_count > 2) { + v = omap_hwmod_read(oh, DISPC_CONTROL2); + lcd2_en = v & LCD_EN_MASK; + } + + if (!(lcd_en | digit_en | lcd2_en)) + return; /* no managers currently enabled */ + + /* + * If any manager was enabled, we need to disable it before + * DSS clocks are disabled or DISPC module is reset + */ + if (lcd_en) + irq_mask |= 1 << FRAMEDONE_IRQ_SHIFT; + + if (digit_en) { + if (da->has_framedonetv_irq) { + irq_mask |= 1 << FRAMEDONETV_IRQ_SHIFT; + } else { + irq_mask |= 1 << EVSYNC_EVEN_IRQ_SHIFT | + 1 << EVSYNC_ODD_IRQ_SHIFT; + } + } + + if (lcd2_en) + irq_mask |= 1 << FRAMEDONE2_IRQ_SHIFT; + + /* + * clear any previous FRAMEDONE, FRAMEDONETV, + * EVSYNC_EVEN/ODD or FRAMEDONE2 interrupts + */ + omap_hwmod_write(irq_mask, oh, DISPC_IRQSTATUS); + + /* disable LCD and TV managers */ + v = omap_hwmod_read(oh, DISPC_CONTROL); + v &= ~(LCD_EN_MASK | DIGIT_EN_MASK); + omap_hwmod_write(v, oh, DISPC_CONTROL); + + /* disable LCD2 manager */ + if (da->manager_count > 2) { + v = omap_hwmod_read(oh, DISPC_CONTROL2); + v &= ~LCD_EN_MASK; + omap_hwmod_write(v, oh, DISPC_CONTROL2); + } + + i = 0; + while ((omap_hwmod_read(oh, DISPC_IRQSTATUS) & irq_mask) != + irq_mask) { + i++; + if (i > FRAMEDONE_IRQ_TIMEOUT) { + pr_err("didn't get FRAMEDONE1/2 or TV interrupt\n"); + break; + } + mdelay(1); + } +} + +#define MAX_MODULE_SOFTRESET_WAIT 10000 +int omap_dss_reset(struct omap_hwmod *oh) +{ + struct omap_hwmod_opt_clk *oc; + int c = 0; + int i, r; + + if (!(oh->class->sysc->sysc_flags & SYSS_HAS_RESET_STATUS)) { + pr_err("dss_core: hwmod data doesn't contain reset data\n"); + return -EINVAL; + } + + for (i = oh->opt_clks_cnt, oc = oh->opt_clks; i > 0; i--, oc++) + if (oc->_clk) + clk_enable(oc->_clk); + + dispc_disable_outputs(); + + /* clear SDI registers */ + if (cpu_is_omap3430()) { + omap_hwmod_write(0x0, oh, DSS_SDI_CONTROL); + omap_hwmod_write(0x0, oh, DSS_PLL_CONTROL); + } + + /* + * clear DSS_CONTROL register to switch DSS clock sources to + * PRCM clock, if any + */ + omap_hwmod_write(0x0, oh, DSS_CONTROL); + + omap_test_timeout((omap_hwmod_read(oh, oh->class->sysc->syss_offs) + & SYSS_RESETDONE_MASK), + MAX_MODULE_SOFTRESET_WAIT, c); + + if (c == MAX_MODULE_SOFTRESET_WAIT) + pr_warning("dss_core: waiting for reset to finish failed\n"); + else + pr_debug("dss_core: softreset done\n"); + + for (i = oh->opt_clks_cnt, oc = oh->opt_clks; i > 0; i--, oc++) + if (oc->_clk) + clk_disable(oc->_clk); + + r = (c == MAX_MODULE_SOFTRESET_WAIT) ? -ETIMEDOUT : 0; + + return r; +} diff --git a/arch/arm/mach-omap2/display.h b/arch/arm/mach-omap2/display.h new file mode 100644 index 0000000..b871b017 --- /dev/null +++ b/arch/arm/mach-omap2/display.h @@ -0,0 +1,29 @@ +/* + * display.h - OMAP2+ integration-specific DSS header + * + * Copyright (C) 2011 Texas Instruments, Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + * + * 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, see <http://www.gnu.org/licenses/>. + */ + +#ifndef __ARCH_ARM_MACH_OMAP2_DISPLAY_H +#define __ARCH_ARM_MACH_OMAP2_DISPLAY_H + +#include <linux/kernel.h> + +struct omap_dss_dispc_dev_attr { + u8 manager_count; + bool has_framedonetv_irq; +}; + +#endif diff --git a/arch/arm/mach-omap2/io.h b/arch/arm/mach-omap2/io.h deleted file mode 100644 index e69de29..0000000 --- a/arch/arm/mach-omap2/io.h +++ /dev/null diff --git a/arch/arm/mach-omap2/mcbsp.c b/arch/arm/mach-omap2/mcbsp.c index 292eee3..28fcb27 100644 --- a/arch/arm/mach-omap2/mcbsp.c +++ b/arch/arm/mach-omap2/mcbsp.c @@ -145,6 +145,9 @@ static int omap_init_mcbsp(struct omap_hwmod *oh, void *unused) pdata->reg_size = 4; pdata->has_ccr = true; } + pdata->set_clk_src = omap2_mcbsp_set_clk_src; + if (id == 1) + pdata->mux_signal = omap2_mcbsp1_mux_rx_clk; if (oh->class->rev == MCBSP_CONFIG_TYPE3) { if (id == 2) @@ -174,9 +177,6 @@ static int omap_init_mcbsp(struct omap_hwmod *oh, void *unused) name, oh->name); return PTR_ERR(pdev); } - pdata->set_clk_src = omap2_mcbsp_set_clk_src; - if (id == 1) - pdata->mux_signal = omap2_mcbsp1_mux_rx_clk; omap_mcbsp_count++; return 0; } diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index 6b3088d..207a2ff 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -749,7 +749,7 @@ static int _count_mpu_irqs(struct omap_hwmod *oh) ohii = &oh->mpu_irqs[i++]; } while (ohii->irq != -1); - return i; + return i-1; } /** @@ -772,7 +772,7 @@ static int _count_sdma_reqs(struct omap_hwmod *oh) ohdi = &oh->sdma_reqs[i++]; } while (ohdi->dma_req != -1); - return i; + return i-1; } /** @@ -795,7 +795,7 @@ static int _count_ocp_if_addr_spaces(struct omap_hwmod_ocp_if *os) mem = &os->addr[i++]; } while (mem->pa_start != mem->pa_end); - return i; + return i-1; } /** diff --git a/arch/arm/mach-omap2/omap_hwmod_2420_data.c b/arch/arm/mach-omap2/omap_hwmod_2420_data.c index 6d72062..a5409ce 100644 --- a/arch/arm/mach-omap2/omap_hwmod_2420_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_2420_data.c @@ -875,6 +875,10 @@ static struct omap_hwmod_ocp_if *omap2420_dss_slaves[] = { }; static struct omap_hwmod_opt_clk dss_opt_clks[] = { + /* + * The DSS HW needs all DSS clocks enabled during reset. The dss_core + * driver does not use these clocks. + */ { .role = "tv_clk", .clk = "dss_54m_fck" }, { .role = "sys_clk", .clk = "dss2_fck" }, }; @@ -899,7 +903,7 @@ static struct omap_hwmod omap2420_dss_core_hwmod = { .slaves_cnt = ARRAY_SIZE(omap2420_dss_slaves), .masters = omap2420_dss_masters, .masters_cnt = ARRAY_SIZE(omap2420_dss_masters), - .flags = HWMOD_NO_IDLEST, + .flags = HWMOD_NO_IDLEST | HWMOD_CONTROL_OPT_CLKS_IN_RESET, }; /* l4_core -> dss_dispc */ @@ -939,6 +943,7 @@ static struct omap_hwmod omap2420_dss_dispc_hwmod = { .slaves = omap2420_dss_dispc_slaves, .slaves_cnt = ARRAY_SIZE(omap2420_dss_dispc_slaves), .flags = HWMOD_NO_IDLEST, + .dev_attr = &omap2_3_dss_dispc_dev_attr }; /* l4_core -> dss_rfbi */ @@ -961,6 +966,10 @@ static struct omap_hwmod_ocp_if *omap2420_dss_rfbi_slaves[] = { &omap2420_l4_core__dss_rfbi, }; +static struct omap_hwmod_opt_clk dss_rfbi_opt_clks[] = { + { .role = "ick", .clk = "dss_ick" }, +}; + static struct omap_hwmod omap2420_dss_rfbi_hwmod = { .name = "dss_rfbi", .class = &omap2_rfbi_hwmod_class, @@ -972,6 +981,8 @@ static struct omap_hwmod omap2420_dss_rfbi_hwmod = { .module_offs = CORE_MOD, }, }, + .opt_clks = dss_rfbi_opt_clks, + .opt_clks_cnt = ARRAY_SIZE(dss_rfbi_opt_clks), .slaves = omap2420_dss_rfbi_slaves, .slaves_cnt = ARRAY_SIZE(omap2420_dss_rfbi_slaves), .flags = HWMOD_NO_IDLEST, @@ -981,7 +992,7 @@ static struct omap_hwmod omap2420_dss_rfbi_hwmod = { static struct omap_hwmod_ocp_if omap2420_l4_core__dss_venc = { .master = &omap2420_l4_core_hwmod, .slave = &omap2420_dss_venc_hwmod, - .clk = "dss_54m_fck", + .clk = "dss_ick", .addr = omap2_dss_venc_addrs, .fw = { .omap2 = { @@ -1001,7 +1012,7 @@ static struct omap_hwmod_ocp_if *omap2420_dss_venc_slaves[] = { static struct omap_hwmod omap2420_dss_venc_hwmod = { .name = "dss_venc", .class = &omap2_venc_hwmod_class, - .main_clk = "dss1_fck", + .main_clk = "dss_54m_fck", .prcm = { .omap2 = { .prcm_reg_id = 1, diff --git a/arch/arm/mach-omap2/omap_hwmod_2430_data.c b/arch/arm/mach-omap2/omap_hwmod_2430_data.c index a2580d0..c4f56cb 100644 --- a/arch/arm/mach-omap2/omap_hwmod_2430_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_2430_data.c @@ -942,6 +942,10 @@ static struct omap_hwmod_ocp_if *omap2430_dss_slaves[] = { }; static struct omap_hwmod_opt_clk dss_opt_clks[] = { + /* + * The DSS HW needs all DSS clocks enabled during reset. The dss_core + * driver does not use these clocks. + */ { .role = "tv_clk", .clk = "dss_54m_fck" }, { .role = "sys_clk", .clk = "dss2_fck" }, }; @@ -966,7 +970,7 @@ static struct omap_hwmod omap2430_dss_core_hwmod = { .slaves_cnt = ARRAY_SIZE(omap2430_dss_slaves), .masters = omap2430_dss_masters, .masters_cnt = ARRAY_SIZE(omap2430_dss_masters), - .flags = HWMOD_NO_IDLEST, + .flags = HWMOD_NO_IDLEST | HWMOD_CONTROL_OPT_CLKS_IN_RESET, }; /* l4_core -> dss_dispc */ @@ -1000,6 +1004,7 @@ static struct omap_hwmod omap2430_dss_dispc_hwmod = { .slaves = omap2430_dss_dispc_slaves, .slaves_cnt = ARRAY_SIZE(omap2430_dss_dispc_slaves), .flags = HWMOD_NO_IDLEST, + .dev_attr = &omap2_3_dss_dispc_dev_attr }; /* l4_core -> dss_rfbi */ @@ -1016,6 +1021,10 @@ static struct omap_hwmod_ocp_if *omap2430_dss_rfbi_slaves[] = { &omap2430_l4_core__dss_rfbi, }; +static struct omap_hwmod_opt_clk dss_rfbi_opt_clks[] = { + { .role = "ick", .clk = "dss_ick" }, +}; + static struct omap_hwmod omap2430_dss_rfbi_hwmod = { .name = "dss_rfbi", .class = &omap2_rfbi_hwmod_class, @@ -1027,6 +1036,8 @@ static struct omap_hwmod omap2430_dss_rfbi_hwmod = { .module_offs = CORE_MOD, }, }, + .opt_clks = dss_rfbi_opt_clks, + .opt_clks_cnt = ARRAY_SIZE(dss_rfbi_opt_clks), .slaves = omap2430_dss_rfbi_slaves, .slaves_cnt = ARRAY_SIZE(omap2430_dss_rfbi_slaves), .flags = HWMOD_NO_IDLEST, @@ -1036,7 +1047,7 @@ static struct omap_hwmod omap2430_dss_rfbi_hwmod = { static struct omap_hwmod_ocp_if omap2430_l4_core__dss_venc = { .master = &omap2430_l4_core_hwmod, .slave = &omap2430_dss_venc_hwmod, - .clk = "dss_54m_fck", + .clk = "dss_ick", .addr = omap2_dss_venc_addrs, .flags = OCPIF_SWSUP_IDLE, .user = OCP_USER_MPU | OCP_USER_SDMA, @@ -1050,7 +1061,7 @@ static struct omap_hwmod_ocp_if *omap2430_dss_venc_slaves[] = { static struct omap_hwmod omap2430_dss_venc_hwmod = { .name = "dss_venc", .class = &omap2_venc_hwmod_class, - .main_clk = "dss1_fck", + .main_clk = "dss_54m_fck", .prcm = { .omap2 = { .prcm_reg_id = 1, diff --git a/arch/arm/mach-omap2/omap_hwmod_2xxx_3xxx_ipblock_data.c b/arch/arm/mach-omap2/omap_hwmod_2xxx_3xxx_ipblock_data.c index c451729..c11273d 100644 --- a/arch/arm/mach-omap2/omap_hwmod_2xxx_3xxx_ipblock_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_2xxx_3xxx_ipblock_data.c @@ -11,6 +11,7 @@ #include <plat/omap_hwmod.h> #include <plat/serial.h> #include <plat/dma.h> +#include <plat/common.h> #include <mach/irqs.h> @@ -43,13 +44,15 @@ static struct omap_hwmod_class_sysconfig omap2_dss_sysc = { .rev_offs = 0x0000, .sysc_offs = 0x0010, .syss_offs = 0x0014, - .sysc_flags = (SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE), + .sysc_flags = (SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE | + SYSS_HAS_RESET_STATUS), .sysc_fields = &omap_hwmod_sysc_type1, }; struct omap_hwmod_class omap2_dss_hwmod_class = { .name = "dss", .sysc = &omap2_dss_sysc, + .reset = omap_dss_reset, }; /* diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c index bc9035e..7f8915a 100644 --- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c @@ -1369,9 +1369,14 @@ static struct omap_hwmod_ocp_if *omap3xxx_dss_slaves[] = { }; static struct omap_hwmod_opt_clk dss_opt_clks[] = { - { .role = "tv_clk", .clk = "dss_tv_fck" }, - { .role = "video_clk", .clk = "dss_96m_fck" }, + /* + * The DSS HW needs all DSS clocks enabled during reset. The dss_core + * driver does not use these clocks. + */ { .role = "sys_clk", .clk = "dss2_alwon_fck" }, + { .role = "tv_clk", .clk = "dss_tv_fck" }, + /* required only on OMAP3430 */ + { .role = "tv_dac_clk", .clk = "dss_96m_fck" }, }; static struct omap_hwmod omap3430es1_dss_core_hwmod = { @@ -1394,11 +1399,12 @@ static struct omap_hwmod omap3430es1_dss_core_hwmod = { .slaves_cnt = ARRAY_SIZE(omap3430es1_dss_slaves), .masters = omap3xxx_dss_masters, .masters_cnt = ARRAY_SIZE(omap3xxx_dss_masters), - .flags = HWMOD_NO_IDLEST, + .flags = HWMOD_NO_IDLEST | HWMOD_CONTROL_OPT_CLKS_IN_RESET, }; static struct omap_hwmod omap3xxx_dss_core_hwmod = { .name = "dss_core", + .flags = HWMOD_CONTROL_OPT_CLKS_IN_RESET, .class = &omap2_dss_hwmod_class, .main_clk = "dss1_alwon_fck", /* instead of dss_fck */ .sdma_reqs = omap3xxx_dss_sdma_chs, @@ -1456,6 +1462,7 @@ static struct omap_hwmod omap3xxx_dss_dispc_hwmod = { .slaves = omap3xxx_dss_dispc_slaves, .slaves_cnt = ARRAY_SIZE(omap3xxx_dss_dispc_slaves), .flags = HWMOD_NO_IDLEST, + .dev_attr = &omap2_3_dss_dispc_dev_attr }; /* @@ -1486,6 +1493,7 @@ static struct omap_hwmod_addr_space omap3xxx_dss_dsi1_addrs[] = { static struct omap_hwmod_ocp_if omap3xxx_l4_core__dss_dsi1 = { .master = &omap3xxx_l4_core_hwmod, .slave = &omap3xxx_dss_dsi1_hwmod, + .clk = "dss_ick", .addr = omap3xxx_dss_dsi1_addrs, .fw = { .omap2 = { @@ -1502,6 +1510,10 @@ static struct omap_hwmod_ocp_if *omap3xxx_dss_dsi1_slaves[] = { &omap3xxx_l4_core__dss_dsi1, }; +static struct omap_hwmod_opt_clk dss_dsi1_opt_clks[] = { + { .role = "sys_clk", .clk = "dss2_alwon_fck" }, +}; + static struct omap_hwmod omap3xxx_dss_dsi1_hwmod = { .name = "dss_dsi1", .class = &omap3xxx_dsi_hwmod_class, @@ -1514,6 +1526,8 @@ static struct omap_hwmod omap3xxx_dss_dsi1_hwmod = { .module_offs = OMAP3430_DSS_MOD, }, }, + .opt_clks = dss_dsi1_opt_clks, + .opt_clks_cnt = ARRAY_SIZE(dss_dsi1_opt_clks), .slaves = omap3xxx_dss_dsi1_slaves, .slaves_cnt = ARRAY_SIZE(omap3xxx_dss_dsi1_slaves), .flags = HWMOD_NO_IDLEST, @@ -1540,6 +1554,10 @@ static struct omap_hwmod_ocp_if *omap3xxx_dss_rfbi_slaves[] = { &omap3xxx_l4_core__dss_rfbi, }; +static struct omap_hwmod_opt_clk dss_rfbi_opt_clks[] = { + { .role = "ick", .clk = "dss_ick" }, +}; + static struct omap_hwmod omap3xxx_dss_rfbi_hwmod = { .name = "dss_rfbi", .class = &omap2_rfbi_hwmod_class, @@ -1551,6 +1569,8 @@ static struct omap_hwmod omap3xxx_dss_rfbi_hwmod = { .module_offs = OMAP3430_DSS_MOD, }, }, + .opt_clks = dss_rfbi_opt_clks, + .opt_clks_cnt = ARRAY_SIZE(dss_rfbi_opt_clks), .slaves = omap3xxx_dss_rfbi_slaves, .slaves_cnt = ARRAY_SIZE(omap3xxx_dss_rfbi_slaves), .flags = HWMOD_NO_IDLEST, @@ -1560,7 +1580,7 @@ static struct omap_hwmod omap3xxx_dss_rfbi_hwmod = { static struct omap_hwmod_ocp_if omap3xxx_l4_core__dss_venc = { .master = &omap3xxx_l4_core_hwmod, .slave = &omap3xxx_dss_venc_hwmod, - .clk = "dss_tv_fck", + .clk = "dss_ick", .addr = omap2_dss_venc_addrs, .fw = { .omap2 = { @@ -1578,10 +1598,15 @@ static struct omap_hwmod_ocp_if *omap3xxx_dss_venc_slaves[] = { &omap3xxx_l4_core__dss_venc, }; +static struct omap_hwmod_opt_clk dss_venc_opt_clks[] = { + /* required only on OMAP3430 */ + { .role = "tv_dac_clk", .clk = "dss_96m_fck" }, +}; + static struct omap_hwmod omap3xxx_dss_venc_hwmod = { .name = "dss_venc", .class = &omap2_venc_hwmod_class, - .main_clk = "dss1_alwon_fck", + .main_clk = "dss_tv_fck", .prcm = { .omap2 = { .prcm_reg_id = 1, @@ -1589,6 +1614,8 @@ static struct omap_hwmod omap3xxx_dss_venc_hwmod = { .module_offs = OMAP3430_DSS_MOD, }, }, + .opt_clks = dss_venc_opt_clks, + .opt_clks_cnt = ARRAY_SIZE(dss_venc_opt_clks), .slaves = omap3xxx_dss_venc_slaves, .slaves_cnt = ARRAY_SIZE(omap3xxx_dss_venc_slaves), .flags = HWMOD_NO_IDLEST, diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c index 7695e5d..daaf165 100644 --- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c @@ -30,6 +30,7 @@ #include <plat/mmc.h> #include <plat/i2c.h> #include <plat/dmtimer.h> +#include <plat/common.h> #include "omap_hwmod_common_data.h" @@ -1187,6 +1188,7 @@ static struct omap_hwmod_class_sysconfig omap44xx_dss_sysc = { static struct omap_hwmod_class omap44xx_dss_hwmod_class = { .name = "dss", .sysc = &omap44xx_dss_sysc, + .reset = omap_dss_reset, }; /* dss */ @@ -1240,12 +1242,12 @@ static struct omap_hwmod_ocp_if *omap44xx_dss_slaves[] = { static struct omap_hwmod_opt_clk dss_opt_clks[] = { { .role = "sys_clk", .clk = "dss_sys_clk" }, { .role = "tv_clk", .clk = "dss_tv_clk" }, - { .role = "dss_clk", .clk = "dss_dss_clk" }, - { .role = "video_clk", .clk = "dss_48mhz_clk" }, + { .role = "hdmi_clk", .clk = "dss_48mhz_clk" }, }; static struct omap_hwmod omap44xx_dss_hwmod = { .name = "dss_core", + .flags = HWMOD_CONTROL_OPT_CLKS_IN_RESET, .class = &omap44xx_dss_hwmod_class, .clkdm_name = "l3_dss_clkdm", .main_clk = "dss_dss_clk", @@ -1325,6 +1327,11 @@ static struct omap_hwmod_addr_space omap44xx_dss_dispc_addrs[] = { { } }; +static struct omap_dss_dispc_dev_attr omap44xx_dss_dispc_dev_attr = { + .manager_count = 3, + .has_framedonetv_irq = 1 +}; + /* l4_per -> dss_dispc */ static struct omap_hwmod_ocp_if omap44xx_l4_per__dss_dispc = { .master = &omap44xx_l4_per_hwmod, @@ -1340,12 +1347,6 @@ static struct omap_hwmod_ocp_if *omap44xx_dss_dispc_slaves[] = { &omap44xx_l4_per__dss_dispc, }; -static struct omap_hwmod_opt_clk dss_dispc_opt_clks[] = { - { .role = "sys_clk", .clk = "dss_sys_clk" }, - { .role = "tv_clk", .clk = "dss_tv_clk" }, - { .role = "hdmi_clk", .clk = "dss_48mhz_clk" }, -}; - static struct omap_hwmod omap44xx_dss_dispc_hwmod = { .name = "dss_dispc", .class = &omap44xx_dispc_hwmod_class, @@ -1359,10 +1360,9 @@ static struct omap_hwmod omap44xx_dss_dispc_hwmod = { .context_offs = OMAP4_RM_DSS_DSS_CONTEXT_OFFSET, }, }, - .opt_clks = dss_dispc_opt_clks, - .opt_clks_cnt = ARRAY_SIZE(dss_dispc_opt_clks), .slaves = omap44xx_dss_dispc_slaves, .slaves_cnt = ARRAY_SIZE(omap44xx_dss_dispc_slaves), + .dev_attr = &omap44xx_dss_dispc_dev_attr }; /* @@ -1624,7 +1624,7 @@ static struct omap_hwmod omap44xx_dss_hdmi_hwmod = { .clkdm_name = "l3_dss_clkdm", .mpu_irqs = omap44xx_dss_hdmi_irqs, .sdma_reqs = omap44xx_dss_hdmi_sdma_reqs, - .main_clk = "dss_dss_clk", + .main_clk = "dss_48mhz_clk", .prcm = { .omap4 = { .clkctrl_offs = OMAP4_CM_DSS_DSS_CLKCTRL_OFFSET, @@ -1785,7 +1785,7 @@ static struct omap_hwmod omap44xx_dss_venc_hwmod = { .name = "dss_venc", .class = &omap44xx_venc_hwmod_class, .clkdm_name = "l3_dss_clkdm", - .main_clk = "dss_dss_clk", + .main_clk = "dss_tv_clk", .prcm = { .omap4 = { .clkctrl_offs = OMAP4_CM_DSS_DSS_CLKCTRL_OFFSET, diff --git a/arch/arm/mach-omap2/omap_hwmod_common_data.c b/arch/arm/mach-omap2/omap_hwmod_common_data.c index de832eb..51e5418 100644 --- a/arch/arm/mach-omap2/omap_hwmod_common_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_common_data.c @@ -49,3 +49,7 @@ struct omap_hwmod_sysc_fields omap_hwmod_sysc_type2 = { .srst_shift = SYSC_TYPE2_SOFTRESET_SHIFT, }; +struct omap_dss_dispc_dev_attr omap2_3_dss_dispc_dev_attr = { + .manager_count = 2, + .has_framedonetv_irq = 0 +}; diff --git a/arch/arm/mach-omap2/omap_hwmod_common_data.h b/arch/arm/mach-omap2/omap_hwmod_common_data.h index 39a7c37..ad5d8f0 100644 --- a/arch/arm/mach-omap2/omap_hwmod_common_data.h +++ b/arch/arm/mach-omap2/omap_hwmod_common_data.h @@ -16,6 +16,8 @@ #include <plat/omap_hwmod.h> +#include "display.h" + /* Common address space across OMAP2xxx */ extern struct omap_hwmod_addr_space omap2xxx_uart1_addr_space[]; extern struct omap_hwmod_addr_space omap2xxx_uart2_addr_space[]; @@ -111,4 +113,6 @@ extern struct omap_hwmod_class omap2xxx_dma_hwmod_class; extern struct omap_hwmod_class omap2xxx_mailbox_hwmod_class; extern struct omap_hwmod_class omap2xxx_mcspi_class; +extern struct omap_dss_dispc_dev_attr omap2_3_dss_dispc_dev_attr; + #endif diff --git a/arch/arm/mach-omap2/omap_l3_noc.c b/arch/arm/mach-omap2/omap_l3_noc.c index 6a66aa5..d15225f 100644 --- a/arch/arm/mach-omap2/omap_l3_noc.c +++ b/arch/arm/mach-omap2/omap_l3_noc.c @@ -237,7 +237,7 @@ static int __devexit omap4_l3_remove(struct platform_device *pdev) static const struct of_device_id l3_noc_match[] = { {.compatible = "ti,omap4-l3-noc", }, {}, -} +}; MODULE_DEVICE_TABLE(of, l3_noc_match); #else #define l3_noc_match NULL diff --git a/arch/arm/mach-omap2/pm.c b/arch/arm/mach-omap2/pm.c index 1e79bdf..00bff46 100644 --- a/arch/arm/mach-omap2/pm.c +++ b/arch/arm/mach-omap2/pm.c @@ -24,6 +24,7 @@ #include "powerdomain.h" #include "clockdomain.h" #include "pm.h" +#include "twl-common.h" static struct omap_device_pm_latency *pm_lats; @@ -226,11 +227,8 @@ postcore_initcall(omap2_common_pm_init); static int __init omap2_common_pm_late_init(void) { - /* Init the OMAP TWL parameters */ - omap3_twl_init(); - omap4_twl_init(); - /* Init the voltage layer */ + omap_pmic_late_init(); omap_voltage_late_init(); /* Initialize the voltages */ diff --git a/arch/arm/mach-omap2/smartreflex.c b/arch/arm/mach-omap2/smartreflex.c index 6a4f683..cf246b3 100644 --- a/arch/arm/mach-omap2/smartreflex.c +++ b/arch/arm/mach-omap2/smartreflex.c @@ -139,7 +139,7 @@ static irqreturn_t sr_interrupt(int irq, void *data) sr_write_reg(sr_info, ERRCONFIG_V1, status); } else if (sr_info->ip_type == SR_TYPE_V2) { /* Read the status bits */ - sr_read_reg(sr_info, IRQSTATUS); + status = sr_read_reg(sr_info, IRQSTATUS); /* Clear them by writing back */ sr_write_reg(sr_info, IRQSTATUS, status); diff --git a/arch/arm/mach-omap2/twl-common.c b/arch/arm/mach-omap2/twl-common.c index 52243577..10b20c6 100644 --- a/arch/arm/mach-omap2/twl-common.c +++ b/arch/arm/mach-omap2/twl-common.c @@ -30,6 +30,7 @@ #include <plat/usb.h> #include "twl-common.h" +#include "pm.h" static struct i2c_board_info __initdata pmic_i2c_board_info = { .addr = 0x48, @@ -48,6 +49,16 @@ void __init omap_pmic_init(int bus, u32 clkrate, omap_register_i2c_bus(bus, clkrate, &pmic_i2c_board_info, 1); } +void __init omap_pmic_late_init(void) +{ + /* Init the OMAP TWL parameters (if PMIC has been registerd) */ + if (!pmic_i2c_board_info.irq) + return; + + omap3_twl_init(); + omap4_twl_init(); +} + #if defined(CONFIG_ARCH_OMAP3) static struct twl4030_usb_data omap3_usb_pdata = { .usb_mode = T2_USB_MODE_ULPI, diff --git a/arch/arm/mach-omap2/twl-common.h b/arch/arm/mach-omap2/twl-common.h index 5e83a5b..275dde8 100644 --- a/arch/arm/mach-omap2/twl-common.h +++ b/arch/arm/mach-omap2/twl-common.h @@ -1,6 +1,8 @@ #ifndef __OMAP_PMIC_COMMON__ #define __OMAP_PMIC_COMMON__ +#include <plat/irqs.h> + #define TWL_COMMON_PDATA_USB (1 << 0) #define TWL_COMMON_PDATA_BCI (1 << 1) #define TWL_COMMON_PDATA_MADC (1 << 2) @@ -30,6 +32,7 @@ struct twl4030_platform_data; void omap_pmic_init(int bus, u32 clkrate, const char *pmic_type, int pmic_irq, struct twl4030_platform_data *pmic_data); +void omap_pmic_late_init(void); static inline void omap2_pmic_init(const char *pmic_type, struct twl4030_platform_data *pmic_data) diff --git a/arch/arm/mach-prima2/pm.c b/arch/arm/mach-prima2/pm.c index cb53160..26ebb57 100644 --- a/arch/arm/mach-prima2/pm.c +++ b/arch/arm/mach-prima2/pm.c @@ -9,6 +9,7 @@ #include <linux/kernel.h> #include <linux/suspend.h> #include <linux/slab.h> +#include <linux/module.h> #include <linux/of.h> #include <linux/of_address.h> #include <linux/of_device.h> diff --git a/arch/arm/mach-prima2/prima2.c b/arch/arm/mach-prima2/prima2.c index ef555c0..a12b689 100644 --- a/arch/arm/mach-prima2/prima2.c +++ b/arch/arm/mach-prima2/prima2.c @@ -8,6 +8,7 @@ #include <linux/init.h> #include <linux/kernel.h> +#include <asm/sizes.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <linux/of.h> diff --git a/arch/arm/mach-pxa/balloon3.c b/arch/arm/mach-pxa/balloon3.c index fc0b854..4b81f59 100644 --- a/arch/arm/mach-pxa/balloon3.c +++ b/arch/arm/mach-pxa/balloon3.c @@ -307,7 +307,7 @@ static inline void balloon3_mmc_init(void) {} /****************************************************************************** * USB Gadget ******************************************************************************/ -#if defined(CONFIG_USB_GADGET_PXA27X)||defined(CONFIG_USB_GADGET_PXA27X_MODULE) +#if defined(CONFIG_USB_PXA27X)||defined(CONFIG_USB_PXA27X_MODULE) static void balloon3_udc_command(int cmd) { if (cmd == PXA2XX_UDC_CMD_CONNECT) diff --git a/arch/arm/mach-pxa/colibri-pxa320.c b/arch/arm/mach-pxa/colibri-pxa320.c index 692e1ff..d23b92b 100644 --- a/arch/arm/mach-pxa/colibri-pxa320.c +++ b/arch/arm/mach-pxa/colibri-pxa320.c @@ -146,7 +146,7 @@ static void __init colibri_pxa320_init_eth(void) static inline void __init colibri_pxa320_init_eth(void) {} #endif /* CONFIG_AX88796 */ -#if defined(CONFIG_USB_GADGET_PXA27X)||defined(CONFIG_USB_GADGET_PXA27X_MODULE) +#if defined(CONFIG_USB_PXA27X)||defined(CONFIG_USB_PXA27X_MODULE) static struct gpio_vbus_mach_info colibri_pxa320_gpio_vbus_info = { .gpio_vbus = mfp_to_gpio(MFP_PIN_GPIO96), .gpio_pullup = -1, diff --git a/arch/arm/mach-pxa/gumstix.c b/arch/arm/mach-pxa/gumstix.c index 9c8208c..ffdd70d 100644 --- a/arch/arm/mach-pxa/gumstix.c +++ b/arch/arm/mach-pxa/gumstix.c @@ -106,7 +106,7 @@ static void __init gumstix_mmc_init(void) } #endif -#ifdef CONFIG_USB_GADGET_PXA25X +#ifdef CONFIG_USB_PXA25X static struct gpio_vbus_mach_info gumstix_udc_info = { .gpio_vbus = GPIO_GUMSTIX_USB_GPIOn, .gpio_pullup = GPIO_GUMSTIX_USB_GPIOx, diff --git a/arch/arm/mach-pxa/include/mach/palm27x.h b/arch/arm/mach-pxa/include/mach/palm27x.h index f80bbe2..d4eac3d 100644 --- a/arch/arm/mach-pxa/include/mach/palm27x.h +++ b/arch/arm/mach-pxa/include/mach/palm27x.h @@ -37,8 +37,8 @@ extern void __init palm27x_lcd_init(int power, #define palm27x_lcd_init(power, mode) do {} while (0) #endif -#if defined(CONFIG_USB_GADGET_PXA27X) || \ - defined(CONFIG_USB_GADGET_PXA27X_MODULE) +#if defined(CONFIG_USB_PXA27X) || \ + defined(CONFIG_USB_PXA27X_MODULE) extern void __init palm27x_udc_init(int vbus, int pullup, int vbus_inverted); #else diff --git a/arch/arm/mach-pxa/palm27x.c b/arch/arm/mach-pxa/palm27x.c index 325c245..fbc10d7 100644 --- a/arch/arm/mach-pxa/palm27x.c +++ b/arch/arm/mach-pxa/palm27x.c @@ -164,8 +164,8 @@ void __init palm27x_lcd_init(int power, struct pxafb_mode_info *mode) /****************************************************************************** * USB Gadget ******************************************************************************/ -#if defined(CONFIG_USB_GADGET_PXA27X) || \ - defined(CONFIG_USB_GADGET_PXA27X_MODULE) +#if defined(CONFIG_USB_PXA27X) || \ + defined(CONFIG_USB_PXA27X_MODULE) static struct gpio_vbus_mach_info palm27x_udc_info = { .gpio_vbus_inverted = 1, }; diff --git a/arch/arm/mach-pxa/palmtc.c b/arch/arm/mach-pxa/palmtc.c index 6ec7cae..2c24c67 100644 --- a/arch/arm/mach-pxa/palmtc.c +++ b/arch/arm/mach-pxa/palmtc.c @@ -338,7 +338,7 @@ static inline void palmtc_mkp_init(void) {} /****************************************************************************** * UDC ******************************************************************************/ -#if defined(CONFIG_USB_GADGET_PXA25X)||defined(CONFIG_USB_GADGET_PXA25X_MODULE) +#if defined(CONFIG_USB_PXA25X)||defined(CONFIG_USB_PXA25X_MODULE) static struct gpio_vbus_mach_info palmtc_udc_info = { .gpio_vbus = GPIO_NR_PALMTC_USB_DETECT_N, .gpio_vbus_inverted = 1, diff --git a/arch/arm/mach-pxa/vpac270.c b/arch/arm/mach-pxa/vpac270.c index a7539a6..ca0c661 100644 --- a/arch/arm/mach-pxa/vpac270.c +++ b/arch/arm/mach-pxa/vpac270.c @@ -343,7 +343,7 @@ static inline void vpac270_uhc_init(void) {} /****************************************************************************** * USB Gadget ******************************************************************************/ -#if defined(CONFIG_USB_GADGET_PXA27X)||defined(CONFIG_USB_GADGET_PXA27X_MODULE) +#if defined(CONFIG_USB_PXA27X)||defined(CONFIG_USB_PXA27X_MODULE) static struct gpio_vbus_mach_info vpac270_gpio_vbus_info = { .gpio_vbus = GPIO41_VPAC270_UDC_DETECT, .gpio_pullup = -1, diff --git a/arch/arm/mach-s3c64xx/dev-spi.c b/arch/arm/mach-s3c64xx/dev-spi.c index 5e6b420..3341fd1 100644 --- a/arch/arm/mach-s3c64xx/dev-spi.c +++ b/arch/arm/mach-s3c64xx/dev-spi.c @@ -10,6 +10,7 @@ #include <linux/kernel.h> #include <linux/string.h> +#include <linux/export.h> #include <linux/platform_device.h> #include <linux/dma-mapping.h> #include <linux/gpio.h> diff --git a/arch/arm/mach-s3c64xx/mach-crag6410-module.c b/arch/arm/mach-s3c64xx/mach-crag6410-module.c index 6666856..f208154 100644 --- a/arch/arm/mach-s3c64xx/mach-crag6410-module.c +++ b/arch/arm/mach-s3c64xx/mach-crag6410-module.c @@ -8,7 +8,7 @@ * published by the Free Software Foundation. */ -#include <linux/module.h> +#include <linux/export.h> #include <linux/interrupt.h> #include <linux/i2c.h> diff --git a/arch/arm/mach-s3c64xx/s3c6400.c b/arch/arm/mach-s3c64xx/s3c6400.c index 7a3bc32..51c00f2 100644 --- a/arch/arm/mach-s3c64xx/s3c6400.c +++ b/arch/arm/mach-s3c64xx/s3c6400.c @@ -70,7 +70,7 @@ void __init s3c6400_init_irq(void) s3c64xx_init_irq(~0 & ~(0xf << 5), ~0); } -struct sysdev_class s3c6400_sysclass = { +static struct sysdev_class s3c6400_sysclass = { .name = "s3c6400-core", }; diff --git a/arch/arm/mach-s3c64xx/setup-fb-24bpp.c b/arch/arm/mach-s3c64xx/setup-fb-24bpp.c index 83d2afb..2cf8002 100644 --- a/arch/arm/mach-s3c64xx/setup-fb-24bpp.c +++ b/arch/arm/mach-s3c64xx/setup-fb-24bpp.c @@ -20,7 +20,7 @@ #include <plat/fb.h> #include <plat/gpio-cfg.h> -extern void s3c64xx_fb_gpio_setup_24bpp(void) +void s3c64xx_fb_gpio_setup_24bpp(void) { s3c_gpio_cfgrange_nopull(S3C64XX_GPI(0), 16, S3C_GPIO_SFN(2)); s3c_gpio_cfgrange_nopull(S3C64XX_GPJ(0), 12, S3C_GPIO_SFN(2)); diff --git a/arch/arm/mach-s5pv210/mach-smdkv210.c b/arch/arm/mach-s5pv210/mach-smdkv210.c index a9106c3..8662ef6 100644 --- a/arch/arm/mach-s5pv210/mach-smdkv210.c +++ b/arch/arm/mach-s5pv210/mach-smdkv210.c @@ -273,6 +273,7 @@ static struct samsung_bl_gpio_info smdkv210_bl_gpio_info = { static struct platform_pwm_backlight_data smdkv210_bl_data = { .pwm_id = 3, + .pwm_period_ns = 1000, }; static void __init smdkv210_map_io(void) diff --git a/arch/arm/mach-sa1100/Makefile.boot b/arch/arm/mach-sa1100/Makefile.boot index 5a616f6..f7951aa 100644 --- a/arch/arm/mach-sa1100/Makefile.boot +++ b/arch/arm/mach-sa1100/Makefile.boot @@ -1,5 +1,5 @@ -ifeq ($(CONFIG_ARCH_SA1100),y) - zreladdr-$(CONFIG_SA1111) += 0xc0208000 +ifeq ($(CONFIG_SA1111),y) + zreladdr-y += 0xc0208000 else zreladdr-y += 0xc0008000 endif diff --git a/arch/arm/mach-shmobile/board-ag5evm.c b/arch/arm/mach-shmobile/board-ag5evm.c index b862e9f..7119b87 100644 --- a/arch/arm/mach-shmobile/board-ag5evm.c +++ b/arch/arm/mach-shmobile/board-ag5evm.c @@ -607,6 +607,7 @@ struct sys_timer ag5evm_timer = { MACHINE_START(AG5EVM, "ag5evm") .map_io = ag5evm_map_io, + .nr_irqs = NR_IRQS_LEGACY, .init_irq = sh73a0_init_irq, .handle_irq = shmobile_handle_irq_gic, .init_machine = ag5evm_init, diff --git a/arch/arm/mach-shmobile/board-kota2.c b/arch/arm/mach-shmobile/board-kota2.c index bd9a784..f44150b 100644 --- a/arch/arm/mach-shmobile/board-kota2.c +++ b/arch/arm/mach-shmobile/board-kota2.c @@ -33,6 +33,7 @@ #include <linux/input/sh_keysc.h> #include <linux/gpio_keys.h> #include <linux/leds.h> +#include <linux/platform_data/leds-renesas-tpu.h> #include <linux/mmc/host.h> #include <linux/mmc/sh_mmcif.h> #include <linux/mfd/tmio.h> @@ -56,7 +57,7 @@ static struct resource smsc9220_resources[] = { .flags = IORESOURCE_MEM, }, [1] = { - .start = gic_spi(33), /* PINTA2 @ PORT144 */ + .start = SH73A0_PINT0_IRQ(2), /* PINTA2 */ .flags = IORESOURCE_IRQ, }, }; @@ -157,10 +158,6 @@ static struct platform_device gpio_keys_device = { #define GPIO_LED(n, g) { .name = n, .gpio = g } static struct gpio_led gpio_leds[] = { - GPIO_LED("V2513", GPIO_PORT153), /* PORT153 [TPU1T02] -> V2513 */ - GPIO_LED("V2514", GPIO_PORT199), /* PORT199 [TPU4TO1] -> V2514 */ - GPIO_LED("V2515", GPIO_PORT197), /* PORT197 [TPU2TO1] -> V2515 */ - GPIO_LED("KEYLED", GPIO_PORT163), /* PORT163 [TPU3TO0] -> KEYLED */ GPIO_LED("G", GPIO_PORT20), /* PORT20 [GPO0] -> LED7 -> "G" */ GPIO_LED("H", GPIO_PORT21), /* PORT21 [GPO1] -> LED8 -> "H" */ GPIO_LED("J", GPIO_PORT22), /* PORT22 [GPO2] -> LED9 -> "J" */ @@ -179,6 +176,119 @@ static struct platform_device gpio_leds_device = { }, }; +/* TPU LED */ +static struct led_renesas_tpu_config led_renesas_tpu12_pdata = { + .name = "V2513", + .pin_gpio_fn = GPIO_FN_TPU1TO2, + .pin_gpio = GPIO_PORT153, + .channel_offset = 0x90, + .timer_bit = 2, + .max_brightness = 1000, +}; + +static struct resource tpu12_resources[] = { + [0] = { + .name = "TPU12", + .start = 0xe6610090, + .end = 0xe66100b5, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device leds_tpu12_device = { + .name = "leds-renesas-tpu", + .id = 12, + .dev = { + .platform_data = &led_renesas_tpu12_pdata, + }, + .num_resources = ARRAY_SIZE(tpu12_resources), + .resource = tpu12_resources, +}; + +static struct led_renesas_tpu_config led_renesas_tpu41_pdata = { + .name = "V2514", + .pin_gpio_fn = GPIO_FN_TPU4TO1, + .pin_gpio = GPIO_PORT199, + .channel_offset = 0x50, + .timer_bit = 1, + .max_brightness = 1000, +}; + +static struct resource tpu41_resources[] = { + [0] = { + .name = "TPU41", + .start = 0xe6640050, + .end = 0xe6640075, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device leds_tpu41_device = { + .name = "leds-renesas-tpu", + .id = 41, + .dev = { + .platform_data = &led_renesas_tpu41_pdata, + }, + .num_resources = ARRAY_SIZE(tpu41_resources), + .resource = tpu41_resources, +}; + +static struct led_renesas_tpu_config led_renesas_tpu21_pdata = { + .name = "V2515", + .pin_gpio_fn = GPIO_FN_TPU2TO1, + .pin_gpio = GPIO_PORT197, + .channel_offset = 0x50, + .timer_bit = 1, + .max_brightness = 1000, +}; + +static struct resource tpu21_resources[] = { + [0] = { + .name = "TPU21", + .start = 0xe6620050, + .end = 0xe6620075, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device leds_tpu21_device = { + .name = "leds-renesas-tpu", + .id = 21, + .dev = { + .platform_data = &led_renesas_tpu21_pdata, + }, + .num_resources = ARRAY_SIZE(tpu21_resources), + .resource = tpu21_resources, +}; + +static struct led_renesas_tpu_config led_renesas_tpu30_pdata = { + .name = "KEYLED", + .pin_gpio_fn = GPIO_FN_TPU3TO0, + .pin_gpio = GPIO_PORT163, + .channel_offset = 0x10, + .timer_bit = 0, + .max_brightness = 1000, +}; + +static struct resource tpu30_resources[] = { + [0] = { + .name = "TPU30", + .start = 0xe6630010, + .end = 0xe6630035, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device leds_tpu30_device = { + .name = "leds-renesas-tpu", + .id = 30, + .dev = { + .platform_data = &led_renesas_tpu30_pdata, + }, + .num_resources = ARRAY_SIZE(tpu30_resources), + .resource = tpu30_resources, +}; + /* MMCIF */ static struct resource mmcif_resources[] = { [0] = { @@ -291,6 +401,10 @@ static struct platform_device *kota2_devices[] __initdata = { &keysc_device, &gpio_keys_device, &gpio_leds_device, + &leds_tpu12_device, + &leds_tpu41_device, + &leds_tpu21_device, + &leds_tpu30_device, &mmcif_device, &sdhi0_device, &sdhi1_device, @@ -317,18 +431,6 @@ static void __init kota2_map_io(void) shmobile_setup_console(); } -#define PINTER0A 0xe69000a0 -#define PINTCR0A 0xe69000b0 - -void __init kota2_init_irq(void) -{ - sh73a0_init_irq(); - - /* setup PINT: enable PINTA2 as active low */ - __raw_writel(1 << 29, PINTER0A); - __raw_writew(2 << 10, PINTCR0A); -} - static void __init kota2_init(void) { sh73a0_pinmux_init(); @@ -447,7 +549,8 @@ struct sys_timer kota2_timer = { MACHINE_START(KOTA2, "kota2") .map_io = kota2_map_io, - .init_irq = kota2_init_irq, + .nr_irqs = NR_IRQS_LEGACY, + .init_irq = sh73a0_init_irq, .handle_irq = shmobile_handle_irq_gic, .init_machine = kota2_init, .timer = &kota2_timer, diff --git a/arch/arm/mach-shmobile/clock-sh73a0.c b/arch/arm/mach-shmobile/clock-sh73a0.c index 61a846b..1370a89 100644 --- a/arch/arm/mach-shmobile/clock-sh73a0.c +++ b/arch/arm/mach-shmobile/clock-sh73a0.c @@ -113,6 +113,12 @@ static struct clk main_clk = { .ops = &main_clk_ops, }; +/* Divide Main clock by two */ +static struct clk main_div2_clk = { + .ops = &div2_clk_ops, + .parent = &main_clk, +}; + /* PLL0, PLL1, PLL2, PLL3 */ static unsigned long pll_recalc(struct clk *clk) { @@ -181,6 +187,7 @@ static struct clk *main_clks[] = { &extal1_div2_clk, &extal2_div2_clk, &main_clk, + &main_div2_clk, &pll0_clk, &pll1_clk, &pll2_clk, @@ -243,7 +250,7 @@ static struct clk div6_clks[DIV6_NR] = { [DIV6_VCK1] = SH_CLK_DIV6(&pll1_div2_clk, VCLKCR1, 0), [DIV6_VCK2] = SH_CLK_DIV6(&pll1_div2_clk, VCLKCR2, 0), [DIV6_VCK3] = SH_CLK_DIV6(&pll1_div2_clk, VCLKCR3, 0), - [DIV6_ZB1] = SH_CLK_DIV6(&pll1_div2_clk, ZBCKCR, 0), + [DIV6_ZB1] = SH_CLK_DIV6(&pll1_div2_clk, ZBCKCR, CLK_ENABLE_ON_INIT), [DIV6_FLCTL] = SH_CLK_DIV6(&pll1_div2_clk, FLCKCR, 0), [DIV6_SDHI0] = SH_CLK_DIV6(&pll1_div2_clk, SD0CKCR, 0), [DIV6_SDHI1] = SH_CLK_DIV6(&pll1_div2_clk, SD1CKCR, 0), @@ -268,6 +275,7 @@ enum { MSTP001, MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200, MSTP331, MSTP329, MSTP325, MSTP323, MSTP318, MSTP314, MSTP313, MSTP312, MSTP311, + MSTP303, MSTP302, MSTP301, MSTP300, MSTP411, MSTP410, MSTP403, MSTP_NR }; @@ -301,6 +309,10 @@ static struct clk mstp_clks[MSTP_NR] = { [MSTP313] = MSTP(&div6_clks[DIV6_SDHI1], SMSTPCR3, 13, 0), /* SDHI1 */ [MSTP312] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 12, 0), /* MMCIF0 */ [MSTP311] = MSTP(&div6_clks[DIV6_SDHI2], SMSTPCR3, 11, 0), /* SDHI2 */ + [MSTP303] = MSTP(&main_div2_clk, SMSTPCR3, 3, 0), /* TPU1 */ + [MSTP302] = MSTP(&main_div2_clk, SMSTPCR3, 2, 0), /* TPU2 */ + [MSTP301] = MSTP(&main_div2_clk, SMSTPCR3, 1, 0), /* TPU3 */ + [MSTP300] = MSTP(&main_div2_clk, SMSTPCR3, 0, 0), /* TPU4 */ [MSTP411] = MSTP(&div4_clks[DIV4_HP], SMSTPCR4, 11, 0), /* IIC3 */ [MSTP410] = MSTP(&div4_clks[DIV4_HP], SMSTPCR4, 10, 0), /* IIC4 */ [MSTP403] = MSTP(&r_clk, SMSTPCR4, 3, 0), /* KEYSC */ @@ -350,6 +362,10 @@ static struct clk_lookup lookups[] = { CLKDEV_DEV_ID("sh_mobile_sdhi.1", &mstp_clks[MSTP313]), /* SDHI1 */ CLKDEV_DEV_ID("sh_mmcif.0", &mstp_clks[MSTP312]), /* MMCIF0 */ CLKDEV_DEV_ID("sh_mobile_sdhi.2", &mstp_clks[MSTP311]), /* SDHI2 */ + CLKDEV_DEV_ID("leds-renesas-tpu.12", &mstp_clks[MSTP303]), /* TPU1 */ + CLKDEV_DEV_ID("leds-renesas-tpu.21", &mstp_clks[MSTP302]), /* TPU2 */ + CLKDEV_DEV_ID("leds-renesas-tpu.30", &mstp_clks[MSTP301]), /* TPU3 */ + CLKDEV_DEV_ID("leds-renesas-tpu.41", &mstp_clks[MSTP300]), /* TPU4 */ CLKDEV_DEV_ID("i2c-sh_mobile.3", &mstp_clks[MSTP411]), /* I2C3 */ CLKDEV_DEV_ID("i2c-sh_mobile.4", &mstp_clks[MSTP410]), /* I2C4 */ CLKDEV_DEV_ID("sh_keysc.0", &mstp_clks[MSTP403]), /* KEYSC */ diff --git a/arch/arm/mach-shmobile/pm-sh7372.c b/arch/arm/mach-shmobile/pm-sh7372.c index 0a5b229..34bbcbf 100644 --- a/arch/arm/mach-shmobile/pm-sh7372.c +++ b/arch/arm/mach-shmobile/pm-sh7372.c @@ -20,6 +20,7 @@ #include <linux/delay.h> #include <linux/irq.h> #include <linux/bitrev.h> +#include <linux/console.h> #include <asm/system.h> #include <asm/io.h> #include <asm/tlbflush.h> @@ -106,9 +107,8 @@ static int pd_power_down(struct generic_pm_domain *genpd) return 0; } -static int pd_power_up(struct generic_pm_domain *genpd) +static int __pd_power_up(struct sh7372_pm_domain *sh7372_pd, bool do_resume) { - struct sh7372_pm_domain *sh7372_pd = to_sh7372_pd(genpd); unsigned int mask = 1 << sh7372_pd->bit_shift; unsigned int retry_count; int ret = 0; @@ -123,13 +123,13 @@ static int pd_power_up(struct generic_pm_domain *genpd) for (retry_count = 2 * PSTR_RETRIES; retry_count; retry_count--) { if (!(__raw_readl(SWUCR) & mask)) - goto out; + break; if (retry_count > PSTR_RETRIES) udelay(PSTR_DELAY_US); else cpu_relax(); } - if (__raw_readl(SWUCR) & mask) + if (!retry_count) ret = -EIO; if (!sh7372_pd->no_debug) @@ -137,12 +137,17 @@ static int pd_power_up(struct generic_pm_domain *genpd) mask, __raw_readl(PSTR)); out: - if (ret == 0 && sh7372_pd->resume) + if (ret == 0 && sh7372_pd->resume && do_resume) sh7372_pd->resume(); return ret; } +static int pd_power_up(struct generic_pm_domain *genpd) +{ + return __pd_power_up(to_sh7372_pd(genpd), true); +} + static void sh7372_a4r_suspend(void) { sh7372_intcs_suspend(); @@ -174,7 +179,7 @@ void sh7372_init_pm_domain(struct sh7372_pm_domain *sh7372_pd) genpd->active_wakeup = pd_active_wakeup; genpd->power_off = pd_power_down; genpd->power_on = pd_power_up; - genpd->power_on(&sh7372_pd->genpd); + __pd_power_up(sh7372_pd, false); } void sh7372_add_device_to_domain(struct sh7372_pm_domain *sh7372_pd, @@ -227,11 +232,23 @@ struct sh7372_pm_domain sh7372_a3sp = { .no_debug = true, }; +static void sh7372_a3sp_init(void) +{ + /* serial consoles make use of SCIF hardware located in A3SP, + * keep such power domain on if "no_console_suspend" is set. + */ + sh7372_a3sp.stay_on = !console_suspend_enabled; +} + struct sh7372_pm_domain sh7372_a3sg = { .bit_shift = 13, }; -#endif /* CONFIG_PM */ +#else /* !CONFIG_PM */ + +static inline void sh7372_a3sp_init(void) {} + +#endif /* !CONFIG_PM */ #if defined(CONFIG_SUSPEND) || defined(CONFIG_CPU_IDLE) static int sh7372_do_idle_core_standby(unsigned long unused) @@ -465,6 +482,8 @@ void __init sh7372_pm_init(void) /* do not convert A3SM, A3SP, A3SG, A4R power down into A4S */ __raw_writel(0, PDNSEL); + sh7372_a3sp_init(); + sh7372_suspend_init(); sh7372_cpuidle_init(); } diff --git a/arch/arm/mach-w90x900/dev.c b/arch/arm/mach-w90x900/dev.c index 7a1fa6a..5b0c38a 100644 --- a/arch/arm/mach-w90x900/dev.c +++ b/arch/arm/mach-w90x900/dev.c @@ -422,7 +422,7 @@ struct platform_device nuc900_device_kpi = { /* LCD controller*/ -static struct nuc900fb_display __initdata nuc900_lcd_info[] = { +static struct nuc900fb_display nuc900_lcd_info[] = { /* Giantplus Technology GPM1040A0 320x240 Color TFT LCD */ [0] = { .type = LCM_DCCS_VA_SRC_RGB565, @@ -445,7 +445,7 @@ static struct nuc900fb_display __initdata nuc900_lcd_info[] = { }, }; -static struct nuc900fb_mach_info nuc900_fb_info __initdata = { +static struct nuc900fb_mach_info nuc900_fb_info = { #if defined(CONFIG_GPM1040A0_320X240) .displays = &nuc900_lcd_info[0], #else diff --git a/arch/arm/mach-w90x900/include/mach/mfp.h b/arch/arm/mach-w90x900/include/mach/mfp.h index 94c0e71..23ef1f5 100644 --- a/arch/arm/mach-w90x900/include/mach/mfp.h +++ b/arch/arm/mach-w90x900/include/mach/mfp.h @@ -19,6 +19,7 @@ extern void mfp_set_groupf(struct device *dev); extern void mfp_set_groupc(struct device *dev); extern void mfp_set_groupi(struct device *dev); -extern void mfp_set_groupg(struct device *dev); +extern void mfp_set_groupg(struct device *dev, const char *subname); +extern void mfp_set_groupd(struct device *dev, const char *subname); #endif /* __ASM_ARCH_MFP_H */ diff --git a/arch/arm/mach-w90x900/include/mach/nuc900_spi.h b/arch/arm/mach-w90x900/include/mach/nuc900_spi.h index bd94819..2c4e0c1 100644 --- a/arch/arm/mach-w90x900/include/mach/nuc900_spi.h +++ b/arch/arm/mach-w90x900/include/mach/nuc900_spi.h @@ -14,7 +14,7 @@ #ifndef __ASM_ARCH_SPI_H #define __ASM_ARCH_SPI_H -extern void mfp_set_groupg(struct device *dev); +extern void mfp_set_groupg(struct device *dev, const char *subname); struct nuc900_spi_info { unsigned int num_cs; diff --git a/arch/arm/mach-w90x900/mfp.c b/arch/arm/mach-w90x900/mfp.c index fb7fb62..9dd7461 100644 --- a/arch/arm/mach-w90x900/mfp.c +++ b/arch/arm/mach-w90x900/mfp.c @@ -26,10 +26,8 @@ #define REG_MFSEL (W90X900_VA_GCR + 0xC) #define GPSELF (0x01 << 1) - #define GPSELC (0x03 << 2) -#define ENKPI (0x02 << 2) -#define ENNAND (0x01 << 2) +#define GPSELD (0x0f << 4) #define GPSELEI0 (0x01 << 26) #define GPSELEI1 (0x01 << 27) @@ -37,11 +35,16 @@ #define GPIOG0TO1 (0x03 << 14) #define GPIOG2TO3 (0x03 << 16) #define GPIOG22TO23 (0x03 << 22) +#define GPIOG18TO20 (0x07 << 18) #define ENSPI (0x0a << 14) #define ENI2C0 (0x01 << 14) #define ENI2C1 (0x01 << 16) #define ENAC97 (0x02 << 22) +#define ENSD1 (0x02 << 18) +#define ENSD0 (0x0a << 4) +#define ENKPI (0x02 << 2) +#define ENNAND (0x01 << 2) static DEFINE_MUTEX(mfp_mutex); @@ -127,16 +130,19 @@ void mfp_set_groupi(struct device *dev) } EXPORT_SYMBOL(mfp_set_groupi); -void mfp_set_groupg(struct device *dev) +void mfp_set_groupg(struct device *dev, const char *subname) { unsigned long mfpen; const char *dev_id; - BUG_ON(!dev); + BUG_ON((!dev) && (!subname)); mutex_lock(&mfp_mutex); - dev_id = dev_name(dev); + if (subname != NULL) + dev_id = subname; + else + dev_id = dev_name(dev); mfpen = __raw_readl(REG_MFSEL); @@ -152,6 +158,9 @@ void mfp_set_groupg(struct device *dev) } else if (strcmp(dev_id, "nuc900-audio") == 0) { mfpen &= ~(GPIOG22TO23); mfpen |= ENAC97;/*enable AC97*/ + } else if (strcmp(dev_id, "nuc900-mmc-port1") == 0) { + mfpen &= ~(GPIOG18TO20); + mfpen |= (ENSD1 | 0x01);/*enable sd1*/ } else { mfpen &= ~(GPIOG0TO1 | GPIOG2TO3);/*GPIOG[3:0]*/ } @@ -162,3 +171,30 @@ void mfp_set_groupg(struct device *dev) } EXPORT_SYMBOL(mfp_set_groupg); +void mfp_set_groupd(struct device *dev, const char *subname) +{ + unsigned long mfpen; + const char *dev_id; + + BUG_ON((!dev) && (!subname)); + + mutex_lock(&mfp_mutex); + + if (subname != NULL) + dev_id = subname; + else + dev_id = dev_name(dev); + + mfpen = __raw_readl(REG_MFSEL); + + if (strcmp(dev_id, "nuc900-mmc-port0") == 0) { + mfpen &= ~GPSELD;/*enable sd0*/ + mfpen |= ENSD0; + } else + mfpen &= (~GPSELD); + + __raw_writel(mfpen, REG_MFSEL); + + mutex_unlock(&mfp_mutex); +} +EXPORT_SYMBOL(mfp_set_groupd); diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c index 8ac9e9f..b1e192b 100644 --- a/arch/arm/mm/cache-l2x0.c +++ b/arch/arm/mm/cache-l2x0.c @@ -61,7 +61,7 @@ static inline void cache_sync(void) { void __iomem *base = l2x0_base; -#ifdef CONFIG_ARM_ERRATA_753970 +#ifdef CONFIG_PL310_ERRATA_753970 /* write to an unmmapped register */ writel_relaxed(0, base + L2X0_DUMMY_REG); #else diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c index e4e7f6c..1aa664a 100644 --- a/arch/arm/mm/dma-mapping.c +++ b/arch/arm/mm/dma-mapping.c @@ -168,7 +168,7 @@ static int __init consistent_init(void) pte_t *pte; int i = 0; unsigned long base = consistent_base; - unsigned long num_ptes = (CONSISTENT_END - base) >> PGDIR_SHIFT; + unsigned long num_ptes = (CONSISTENT_END - base) >> PMD_SHIFT; consistent_pte = kmalloc(num_ptes * sizeof(pte_t), GFP_KERNEL); if (!consistent_pte) { @@ -332,6 +332,15 @@ __dma_alloc(struct device *dev, size_t size, dma_addr_t *handle, gfp_t gfp, struct page *page; void *addr; + /* + * Following is a work-around (a.k.a. hack) to prevent pages + * with __GFP_COMP being passed to split_page() which cannot + * handle them. The real problem is that this flag probably + * should be 0 on ARM as it is not supported on this + * platform; see CONFIG_HUGETLBFS. + */ + gfp &= ~(__GFP_COMP); + *handle = ~0; size = PAGE_ALIGN(size); diff --git a/arch/arm/mm/mmap.c b/arch/arm/mm/mmap.c index 74be05f..44b628e 100644 --- a/arch/arm/mm/mmap.c +++ b/arch/arm/mm/mmap.c @@ -9,8 +9,7 @@ #include <linux/io.h> #include <linux/personality.h> #include <linux/random.h> -#include <asm/cputype.h> -#include <asm/system.h> +#include <asm/cachetype.h> #define COLOUR_ALIGN(addr,pgoff) \ ((((addr)+SHMLBA-1)&~(SHMLBA-1)) + \ @@ -32,25 +31,15 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr, struct mm_struct *mm = current->mm; struct vm_area_struct *vma; unsigned long start_addr; -#if defined(CONFIG_CPU_V6) || defined(CONFIG_CPU_V6K) - unsigned int cache_type; - int do_align = 0, aliasing = 0; + int do_align = 0; + int aliasing = cache_is_vipt_aliasing(); /* * We only need to do colour alignment if either the I or D - * caches alias. This is indicated by bits 9 and 21 of the - * cache type register. + * caches alias. */ - cache_type = read_cpuid_cachetype(); - if (cache_type != read_cpuid_id()) { - aliasing = (cache_type | cache_type >> 12) & (1 << 11); - if (aliasing) - do_align = filp || flags & MAP_SHARED; - } -#else -#define do_align 0 -#define aliasing 0 -#endif + if (aliasing) + do_align = filp || (flags & MAP_SHARED); /* * We enforce the MAP_FIXED case. diff --git a/arch/arm/plat-mxc/cpufreq.c b/arch/arm/plat-mxc/cpufreq.c index 74aac96..adbff70 100644 --- a/arch/arm/plat-mxc/cpufreq.c +++ b/arch/arm/plat-mxc/cpufreq.c @@ -17,6 +17,7 @@ * the CPU clock speed on the fly. */ +#include <linux/module.h> #include <linux/cpufreq.h> #include <linux/clk.h> #include <linux/err.h> diff --git a/arch/arm/plat-mxc/include/mach/common.h b/arch/arm/plat-mxc/include/mach/common.h index 83b745a..c75f254 100644 --- a/arch/arm/plat-mxc/include/mach/common.h +++ b/arch/arm/plat-mxc/include/mach/common.h @@ -85,7 +85,6 @@ enum mxc_cpu_pwr_mode { }; extern void mx5_cpu_lp_set(enum mxc_cpu_pwr_mode mode); -extern void (*imx_idle)(void); extern void imx_print_silicon_rev(const char *cpu, int srev); void avic_handle_irq(struct pt_regs *); @@ -133,4 +132,5 @@ extern void imx53_qsb_common_init(void); extern void imx53_smd_common_init(void); extern int imx6q_set_lpm(enum mxc_cpu_pwr_mode mode); extern void imx6q_pm_init(void); +extern void imx6q_clock_map_io(void); #endif diff --git a/arch/arm/plat-mxc/include/mach/mxc.h b/arch/arm/plat-mxc/include/mach/mxc.h index 00a7819..a4d36d6 100644 --- a/arch/arm/plat-mxc/include/mach/mxc.h +++ b/arch/arm/plat-mxc/include/mach/mxc.h @@ -50,20 +50,6 @@ #define IMX_CHIP_REVISION_3_3 0x33 #define IMX_CHIP_REVISION_UNKNOWN 0xff -#define IMX_CHIP_REVISION_1_0_STRING "1.0" -#define IMX_CHIP_REVISION_1_1_STRING "1.1" -#define IMX_CHIP_REVISION_1_2_STRING "1.2" -#define IMX_CHIP_REVISION_1_3_STRING "1.3" -#define IMX_CHIP_REVISION_2_0_STRING "2.0" -#define IMX_CHIP_REVISION_2_1_STRING "2.1" -#define IMX_CHIP_REVISION_2_2_STRING "2.2" -#define IMX_CHIP_REVISION_2_3_STRING "2.3" -#define IMX_CHIP_REVISION_3_0_STRING "3.0" -#define IMX_CHIP_REVISION_3_1_STRING "3.1" -#define IMX_CHIP_REVISION_3_2_STRING "3.2" -#define IMX_CHIP_REVISION_3_3_STRING "3.3" -#define IMX_CHIP_REVISION_UNKNOWN_STRING "unknown" - #ifndef __ASSEMBLY__ extern unsigned int __mxc_cpu_type; #endif diff --git a/arch/arm/plat-mxc/include/mach/system.h b/arch/arm/plat-mxc/include/mach/system.h index cf88b35..b9895d2 100644 --- a/arch/arm/plat-mxc/include/mach/system.h +++ b/arch/arm/plat-mxc/include/mach/system.h @@ -17,14 +17,9 @@ #ifndef __ASM_ARCH_MXC_SYSTEM_H__ #define __ASM_ARCH_MXC_SYSTEM_H__ -extern void (*imx_idle)(void); - static inline void arch_idle(void) { - if (imx_idle != NULL) - (imx_idle)(); - else - cpu_do_idle(); + cpu_do_idle(); } void arch_reset(char mode, const char *cmd); diff --git a/arch/arm/plat-mxc/pwm.c b/arch/arm/plat-mxc/pwm.c index 42d74ea..845de59 100644 --- a/arch/arm/plat-mxc/pwm.c +++ b/arch/arm/plat-mxc/pwm.c @@ -32,6 +32,9 @@ #define MX3_PWMSAR 0x0C /* PWM Sample Register */ #define MX3_PWMPR 0x10 /* PWM Period Register */ #define MX3_PWMCR_PRESCALER(x) (((x - 1) & 0xFFF) << 4) +#define MX3_PWMCR_DOZEEN (1 << 24) +#define MX3_PWMCR_WAITEN (1 << 23) +#define MX3_PWMCR_DBGEN (1 << 22) #define MX3_PWMCR_CLKSRC_IPG_HIGH (2 << 16) #define MX3_PWMCR_CLKSRC_IPG (1 << 16) #define MX3_PWMCR_EN (1 << 0) @@ -77,7 +80,9 @@ int pwm_config(struct pwm_device *pwm, int duty_ns, int period_ns) writel(duty_cycles, pwm->mmio_base + MX3_PWMSAR); writel(period_cycles, pwm->mmio_base + MX3_PWMPR); - cr = MX3_PWMCR_PRESCALER(prescale) | MX3_PWMCR_EN; + cr = MX3_PWMCR_PRESCALER(prescale) | + MX3_PWMCR_DOZEEN | MX3_PWMCR_WAITEN | + MX3_PWMCR_DBGEN | MX3_PWMCR_EN; if (cpu_is_mx25()) cr |= MX3_PWMCR_CLKSRC_IPG; diff --git a/arch/arm/plat-mxc/system.c b/arch/arm/plat-mxc/system.c index 9dad8dc..d65fb31 100644 --- a/arch/arm/plat-mxc/system.c +++ b/arch/arm/plat-mxc/system.c @@ -21,6 +21,7 @@ #include <linux/io.h> #include <linux/err.h> #include <linux/delay.h> +#include <linux/module.h> #include <mach/hardware.h> #include <mach/common.h> @@ -28,8 +29,8 @@ #include <asm/system.h> #include <asm/mach-types.h> -void (*imx_idle)(void) = NULL; void __iomem *(*imx_ioremap)(unsigned long, size_t, unsigned int) = NULL; +EXPORT_SYMBOL_GPL(imx_ioremap); static void __iomem *wdog_base; diff --git a/arch/arm/plat-omap/include/plat/clock.h b/arch/arm/plat-omap/include/plat/clock.h index 197ca03..eb73ab4 100644 --- a/arch/arm/plat-omap/include/plat/clock.h +++ b/arch/arm/plat-omap/include/plat/clock.h @@ -165,8 +165,8 @@ struct dpll_data { u8 auto_recal_bit; u8 recal_en_bit; u8 recal_st_bit; - u8 flags; # endif + u8 flags; }; #endif diff --git a/arch/arm/plat-omap/include/plat/common.h b/arch/arm/plat-omap/include/plat/common.h index c50df48..3ff3e36 100644 --- a/arch/arm/plat-omap/include/plat/common.h +++ b/arch/arm/plat-omap/include/plat/common.h @@ -30,6 +30,7 @@ #include <linux/delay.h> #include <plat/i2c.h> +#include <plat/omap_hwmod.h> struct sys_timer; @@ -55,6 +56,8 @@ void am35xx_init_early(void); void ti816x_init_early(void); void omap4430_init_early(void); +extern int omap_dss_reset(struct omap_hwmod *); + void omap_sram_init(void); /* diff --git a/arch/arm/plat-s3c24xx/cpu-freq-debugfs.c b/arch/arm/plat-s3c24xx/cpu-freq-debugfs.c index a927666..c7adad0 100644 --- a/arch/arm/plat-s3c24xx/cpu-freq-debugfs.c +++ b/arch/arm/plat-s3c24xx/cpu-freq-debugfs.c @@ -12,7 +12,7 @@ */ #include <linux/init.h> -#include <linux/module.h> +#include <linux/export.h> #include <linux/interrupt.h> #include <linux/ioport.h> #include <linux/cpufreq.h> diff --git a/arch/arm/plat-s5p/sysmmu.c b/arch/arm/plat-s5p/sysmmu.c index e1cbc72..c8bec9c 100644 --- a/arch/arm/plat-s5p/sysmmu.c +++ b/arch/arm/plat-s5p/sysmmu.c @@ -11,6 +11,7 @@ #include <linux/io.h> #include <linux/interrupt.h> #include <linux/platform_device.h> +#include <linux/export.h> #include <asm/pgtable.h> diff --git a/arch/arm/plat-samsung/dev-backlight.c b/arch/arm/plat-samsung/dev-backlight.c index e657305..a976c02 100644 --- a/arch/arm/plat-samsung/dev-backlight.c +++ b/arch/arm/plat-samsung/dev-backlight.c @@ -15,7 +15,6 @@ #include <linux/slab.h> #include <linux/io.h> #include <linux/pwm_backlight.h> -#include <linux/slab.h> #include <plat/devs.h> #include <plat/gpio-cfg.h> diff --git a/arch/arm/plat-samsung/include/plat/gpio-cfg.h b/arch/arm/plat-samsung/include/plat/gpio-cfg.h index d48245b..df8155b 100644 --- a/arch/arm/plat-samsung/include/plat/gpio-cfg.h +++ b/arch/arm/plat-samsung/include/plat/gpio-cfg.h @@ -24,6 +24,8 @@ #ifndef __PLAT_GPIO_CFG_H #define __PLAT_GPIO_CFG_H __FILE__ +#include<linux/types.h> + typedef unsigned int __bitwise__ samsung_gpio_pull_t; typedef unsigned int __bitwise__ s5p_gpio_drvstr_t; diff --git a/arch/arm/plat-samsung/pd.c b/arch/arm/plat-samsung/pd.c index efe1d56..312b510 100644 --- a/arch/arm/plat-samsung/pd.c +++ b/arch/arm/plat-samsung/pd.c @@ -11,7 +11,7 @@ */ #include <linux/init.h> -#include <linux/module.h> +#include <linux/export.h> #include <linux/platform_device.h> #include <linux/err.h> #include <linux/pm_runtime.h> diff --git a/arch/arm/plat-samsung/pwm.c b/arch/arm/plat-samsung/pwm.c index dc1185d..c559d84 100644 --- a/arch/arm/plat-samsung/pwm.c +++ b/arch/arm/plat-samsung/pwm.c @@ -11,7 +11,7 @@ * the Free Software Foundation; either version 2 of the License. */ -#include <linux/module.h> +#include <linux/export.h> #include <linux/kernel.h> #include <linux/platform_device.h> #include <linux/slab.h> diff --git a/arch/arm/tools/mach-types b/arch/arm/tools/mach-types index 5bdeef9..ccbe16f 100644 --- a/arch/arm/tools/mach-types +++ b/arch/arm/tools/mach-types @@ -1123,5 +1123,6 @@ blissc MACH_BLISSC BLISSC 3491 thales_adc MACH_THALES_ADC THALES_ADC 3492 ubisys_p9d_evp MACH_UBISYS_P9D_EVP UBISYS_P9D_EVP 3493 atdgp318 MACH_ATDGP318 ATDGP318 3494 +m28evk MACH_M28EVK M28EVK 3613 smdk4212 MACH_SMDK4212 SMDK4212 3638 smdk4412 MACH_SMDK4412 SMDK4412 3765 diff --git a/arch/cris/arch-v10/drivers/Kconfig b/arch/cris/arch-v10/drivers/Kconfig index 32d9086..5f2cdb3 100644 --- a/arch/cris/arch-v10/drivers/Kconfig +++ b/arch/cris/arch-v10/drivers/Kconfig @@ -3,7 +3,7 @@ if ETRAX_ARCH_V10 config ETRAX_ETHERNET bool "Ethernet support" depends on ETRAX_ARCH_V10 - select NET_ETHERNET + select ETHERNET select NET_CORE select MII help diff --git a/arch/cris/arch-v32/drivers/Kconfig b/arch/cris/arch-v32/drivers/Kconfig index e47e9c3..de43aad 100644 --- a/arch/cris/arch-v32/drivers/Kconfig +++ b/arch/cris/arch-v32/drivers/Kconfig @@ -3,7 +3,7 @@ if ETRAX_ARCH_V32 config ETRAX_ETHERNET bool "Ethernet support" depends on ETRAX_ARCH_V32 - select NET_ETHERNET + select ETHERNET select NET_CORE select MII help diff --git a/arch/m68k/include/asm/unistd.h b/arch/m68k/include/asm/unistd.h index 43f984e..303192f 100644 --- a/arch/m68k/include/asm/unistd.h +++ b/arch/m68k/include/asm/unistd.h @@ -350,10 +350,12 @@ #define __NR_clock_adjtime 342 #define __NR_syncfs 343 #define __NR_setns 344 +#define __NR_process_vm_readv 345 +#define __NR_process_vm_writev 346 #ifdef __KERNEL__ -#define NR_syscalls 345 +#define NR_syscalls 347 #define __ARCH_WANT_IPC_PARSE_VERSION #define __ARCH_WANT_OLD_READDIR diff --git a/arch/m68k/kernel/syscalltable.S b/arch/m68k/kernel/syscalltable.S index c468f2e..ce827b3 100644 --- a/arch/m68k/kernel/syscalltable.S +++ b/arch/m68k/kernel/syscalltable.S @@ -365,4 +365,6 @@ ENTRY(sys_call_table) .long sys_clock_adjtime .long sys_syncfs .long sys_setns + .long sys_process_vm_readv /* 345 */ + .long sys_process_vm_writev diff --git a/arch/microblaze/include/asm/namei.h b/arch/microblaze/include/asm/namei.h deleted file mode 100644 index 61d60b8..0000000 --- a/arch/microblaze/include/asm/namei.h +++ /dev/null @@ -1,22 +0,0 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_NAMEI_H -#define _ASM_MICROBLAZE_NAMEI_H - -#ifdef __KERNEL__ - -/* This dummy routine maybe changed to something useful - * for /usr/gnemul/ emulation stuff. - * Look at asm-sparc/namei.h for details. - */ -#define __emul_prefix() NULL - -#endif /* __KERNEL__ */ - -#endif /* _ASM_MICROBLAZE_NAMEI_H */ diff --git a/arch/mips/kernel/perf_event_mipsxx.c b/arch/mips/kernel/perf_event_mipsxx.c index 4f2971b..315fc0b 100644 --- a/arch/mips/kernel/perf_event_mipsxx.c +++ b/arch/mips/kernel/perf_event_mipsxx.c @@ -623,7 +623,7 @@ static int mipspmu_event_init(struct perf_event *event) if (!atomic_inc_not_zero(&active_events)) { if (atomic_read(&active_events) > MIPS_MAX_HWEVENTS) { atomic_dec(&active_events); - return -ENOSPC; + return -EINVAL; } mutex_lock(&pmu_reserve_mutex); @@ -732,15 +732,15 @@ static int validate_group(struct perf_event *event) memset(&fake_cpuc, 0, sizeof(fake_cpuc)); if (!validate_event(&fake_cpuc, leader)) - return -ENOSPC; + return -EINVAL; list_for_each_entry(sibling, &leader->sibling_list, group_entry) { if (!validate_event(&fake_cpuc, sibling)) - return -ENOSPC; + return -EINVAL; } if (!validate_event(&fake_cpuc, event)) - return -ENOSPC; + return -EINVAL; return 0; } diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index b177caa..951e18f 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -345,7 +345,7 @@ config ARCH_ENABLE_MEMORY_HOTREMOVE config KEXEC bool "kexec system call (EXPERIMENTAL)" - depends on (PPC_BOOK3S || FSL_BOOKE || (44x && !SMP && !47x)) && EXPERIMENTAL + depends on (PPC_BOOK3S || FSL_BOOKE || (44x && !SMP && !PPC_47x)) && EXPERIMENTAL help kexec is a system call that implements the ability to shutdown your current kernel, and to start another kernel. It is like a reboot diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile index 57af16e..70ba0c0 100644 --- a/arch/powerpc/Makefile +++ b/arch/powerpc/Makefile @@ -255,12 +255,6 @@ checkbin: echo 'disable kernel modules' ; \ false ; \ fi - @if ! /bin/echo dssall | $(AS) -many -o $(TOUT) >/dev/null 2>&1 ; then \ - echo -n '*** ${VERSION}.${PATCHLEVEL} kernels no longer build ' ; \ - echo 'correctly with old versions of binutils.' ; \ - echo '*** Please upgrade your binutils to 2.12.1 or newer' ; \ - false ; \ - fi CLEAN_FILES += $(TOUT) diff --git a/arch/powerpc/boot/dts/p1023rds.dts b/arch/powerpc/boot/dts/p1023rds.dts index d9b7767..d3b4782 100644 --- a/arch/powerpc/boot/dts/p1023rds.dts +++ b/arch/powerpc/boot/dts/p1023rds.dts @@ -449,6 +449,7 @@ interrupt-parent = <&mpic>; interrupts = <16 2>; interrupt-map-mask = <0xf800 0 0 7>; + /* IRQ[0:3] are pulled up on board, set to active-low */ interrupt-map = < /* IDSEL 0x0 */ 0000 0 0 1 &mpic 0 1 @@ -488,11 +489,15 @@ interrupt-parent = <&mpic>; interrupts = <16 2>; interrupt-map-mask = <0xf800 0 0 7>; + /* + * IRQ[4:6] only for PCIe, set to active-high, + * IRQ[7] is pulled up on board, set to active-low + */ interrupt-map = < /* IDSEL 0x0 */ - 0000 0 0 1 &mpic 4 1 - 0000 0 0 2 &mpic 5 1 - 0000 0 0 3 &mpic 6 1 + 0000 0 0 1 &mpic 4 2 + 0000 0 0 2 &mpic 5 2 + 0000 0 0 3 &mpic 6 2 0000 0 0 4 &mpic 7 1 >; ranges = <0x2000000 0x0 0xa0000000 @@ -527,12 +532,16 @@ interrupt-parent = <&mpic>; interrupts = <16 2>; interrupt-map-mask = <0xf800 0 0 7>; + /* + * IRQ[8:10] are pulled up on board, set to active-low + * IRQ[11] only for PCIe, set to active-high, + */ interrupt-map = < /* IDSEL 0x0 */ 0000 0 0 1 &mpic 8 1 0000 0 0 2 &mpic 9 1 0000 0 0 3 &mpic 10 1 - 0000 0 0 4 &mpic 11 1 + 0000 0 0 4 &mpic 11 2 >; ranges = <0x2000000 0x0 0x80000000 0x2000000 0x0 0x80000000 diff --git a/arch/powerpc/configs/ppc44x_defconfig b/arch/powerpc/configs/ppc44x_defconfig index 6cdf1c0..3b98d73 100644 --- a/arch/powerpc/configs/ppc44x_defconfig +++ b/arch/powerpc/configs/ppc44x_defconfig @@ -52,6 +52,8 @@ CONFIG_MTD_CFI=y CONFIG_MTD_JEDECPROBE=y CONFIG_MTD_CFI_AMDSTD=y CONFIG_MTD_PHYSMAP_OF=y +CONFIG_MTD_NAND=m +CONFIG_MTD_NAND_NDFC=m CONFIG_MTD_UBI=m CONFIG_MTD_UBI_GLUEBI=m CONFIG_PROC_DEVICETREE=y diff --git a/arch/powerpc/include/asm/atomic.h b/arch/powerpc/include/asm/atomic.h index e2a4c26..02e41b5 100644 --- a/arch/powerpc/include/asm/atomic.h +++ b/arch/powerpc/include/asm/atomic.h @@ -49,13 +49,13 @@ static __inline__ int atomic_add_return(int a, atomic_t *v) int t; __asm__ __volatile__( - PPC_RELEASE_BARRIER + PPC_ATOMIC_ENTRY_BARRIER "1: lwarx %0,0,%2 # atomic_add_return\n\ add %0,%1,%0\n" PPC405_ERR77(0,%2) " stwcx. %0,0,%2 \n\ bne- 1b" - PPC_ACQUIRE_BARRIER + PPC_ATOMIC_EXIT_BARRIER : "=&r" (t) : "r" (a), "r" (&v->counter) : "cc", "memory"); @@ -85,13 +85,13 @@ static __inline__ int atomic_sub_return(int a, atomic_t *v) int t; __asm__ __volatile__( - PPC_RELEASE_BARRIER + PPC_ATOMIC_ENTRY_BARRIER "1: lwarx %0,0,%2 # atomic_sub_return\n\ subf %0,%1,%0\n" PPC405_ERR77(0,%2) " stwcx. %0,0,%2 \n\ bne- 1b" - PPC_ACQUIRE_BARRIER + PPC_ATOMIC_EXIT_BARRIER : "=&r" (t) : "r" (a), "r" (&v->counter) : "cc", "memory"); @@ -119,13 +119,13 @@ static __inline__ int atomic_inc_return(atomic_t *v) int t; __asm__ __volatile__( - PPC_RELEASE_BARRIER + PPC_ATOMIC_ENTRY_BARRIER "1: lwarx %0,0,%1 # atomic_inc_return\n\ addic %0,%0,1\n" PPC405_ERR77(0,%1) " stwcx. %0,0,%1 \n\ bne- 1b" - PPC_ACQUIRE_BARRIER + PPC_ATOMIC_EXIT_BARRIER : "=&r" (t) : "r" (&v->counter) : "cc", "xer", "memory"); @@ -163,13 +163,13 @@ static __inline__ int atomic_dec_return(atomic_t *v) int t; __asm__ __volatile__( - PPC_RELEASE_BARRIER + PPC_ATOMIC_ENTRY_BARRIER "1: lwarx %0,0,%1 # atomic_dec_return\n\ addic %0,%0,-1\n" PPC405_ERR77(0,%1) " stwcx. %0,0,%1\n\ bne- 1b" - PPC_ACQUIRE_BARRIER + PPC_ATOMIC_EXIT_BARRIER : "=&r" (t) : "r" (&v->counter) : "cc", "xer", "memory"); @@ -194,7 +194,7 @@ static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u) int t; __asm__ __volatile__ ( - PPC_RELEASE_BARRIER + PPC_ATOMIC_ENTRY_BARRIER "1: lwarx %0,0,%1 # __atomic_add_unless\n\ cmpw 0,%0,%3 \n\ beq- 2f \n\ @@ -202,7 +202,7 @@ static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u) PPC405_ERR77(0,%2) " stwcx. %0,0,%1 \n\ bne- 1b \n" - PPC_ACQUIRE_BARRIER + PPC_ATOMIC_EXIT_BARRIER " subf %0,%2,%0 \n\ 2:" : "=&r" (t) @@ -226,7 +226,7 @@ static __inline__ int atomic_dec_if_positive(atomic_t *v) int t; __asm__ __volatile__( - PPC_RELEASE_BARRIER + PPC_ATOMIC_ENTRY_BARRIER "1: lwarx %0,0,%1 # atomic_dec_if_positive\n\ cmpwi %0,1\n\ addi %0,%0,-1\n\ @@ -234,7 +234,7 @@ static __inline__ int atomic_dec_if_positive(atomic_t *v) PPC405_ERR77(0,%1) " stwcx. %0,0,%1\n\ bne- 1b" - PPC_ACQUIRE_BARRIER + PPC_ATOMIC_EXIT_BARRIER "\n\ 2:" : "=&b" (t) : "r" (&v->counter) @@ -285,12 +285,12 @@ static __inline__ long atomic64_add_return(long a, atomic64_t *v) long t; __asm__ __volatile__( - PPC_RELEASE_BARRIER + PPC_ATOMIC_ENTRY_BARRIER "1: ldarx %0,0,%2 # atomic64_add_return\n\ add %0,%1,%0\n\ stdcx. %0,0,%2 \n\ bne- 1b" - PPC_ACQUIRE_BARRIER + PPC_ATOMIC_EXIT_BARRIER : "=&r" (t) : "r" (a), "r" (&v->counter) : "cc", "memory"); @@ -319,12 +319,12 @@ static __inline__ long atomic64_sub_return(long a, atomic64_t *v) long t; __asm__ __volatile__( - PPC_RELEASE_BARRIER + PPC_ATOMIC_ENTRY_BARRIER "1: ldarx %0,0,%2 # atomic64_sub_return\n\ subf %0,%1,%0\n\ stdcx. %0,0,%2 \n\ bne- 1b" - PPC_ACQUIRE_BARRIER + PPC_ATOMIC_EXIT_BARRIER : "=&r" (t) : "r" (a), "r" (&v->counter) : "cc", "memory"); @@ -351,12 +351,12 @@ static __inline__ long atomic64_inc_return(atomic64_t *v) long t; __asm__ __volatile__( - PPC_RELEASE_BARRIER + PPC_ATOMIC_ENTRY_BARRIER "1: ldarx %0,0,%1 # atomic64_inc_return\n\ addic %0,%0,1\n\ stdcx. %0,0,%1 \n\ bne- 1b" - PPC_ACQUIRE_BARRIER + PPC_ATOMIC_EXIT_BARRIER : "=&r" (t) : "r" (&v->counter) : "cc", "xer", "memory"); @@ -393,12 +393,12 @@ static __inline__ long atomic64_dec_return(atomic64_t *v) long t; __asm__ __volatile__( - PPC_RELEASE_BARRIER + PPC_ATOMIC_ENTRY_BARRIER "1: ldarx %0,0,%1 # atomic64_dec_return\n\ addic %0,%0,-1\n\ stdcx. %0,0,%1\n\ bne- 1b" - PPC_ACQUIRE_BARRIER + PPC_ATOMIC_EXIT_BARRIER : "=&r" (t) : "r" (&v->counter) : "cc", "xer", "memory"); @@ -418,13 +418,13 @@ static __inline__ long atomic64_dec_if_positive(atomic64_t *v) long t; __asm__ __volatile__( - PPC_RELEASE_BARRIER + PPC_ATOMIC_ENTRY_BARRIER "1: ldarx %0,0,%1 # atomic64_dec_if_positive\n\ addic. %0,%0,-1\n\ blt- 2f\n\ stdcx. %0,0,%1\n\ bne- 1b" - PPC_ACQUIRE_BARRIER + PPC_ATOMIC_EXIT_BARRIER "\n\ 2:" : "=&r" (t) : "r" (&v->counter) @@ -450,14 +450,14 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u) long t; __asm__ __volatile__ ( - PPC_RELEASE_BARRIER + PPC_ATOMIC_ENTRY_BARRIER "1: ldarx %0,0,%1 # __atomic_add_unless\n\ cmpd 0,%0,%3 \n\ beq- 2f \n\ add %0,%2,%0 \n" " stdcx. %0,0,%1 \n\ bne- 1b \n" - PPC_ACQUIRE_BARRIER + PPC_ATOMIC_EXIT_BARRIER " subf %0,%2,%0 \n\ 2:" : "=&r" (t) diff --git a/arch/powerpc/include/asm/bitops.h b/arch/powerpc/include/asm/bitops.h index e137afc..efdc926 100644 --- a/arch/powerpc/include/asm/bitops.h +++ b/arch/powerpc/include/asm/bitops.h @@ -124,14 +124,14 @@ static __inline__ unsigned long fn( \ return (old & mask); \ } -DEFINE_TESTOP(test_and_set_bits, or, PPC_RELEASE_BARRIER, - PPC_ACQUIRE_BARRIER, 0) +DEFINE_TESTOP(test_and_set_bits, or, PPC_ATOMIC_ENTRY_BARRIER, + PPC_ATOMIC_EXIT_BARRIER, 0) DEFINE_TESTOP(test_and_set_bits_lock, or, "", PPC_ACQUIRE_BARRIER, 1) -DEFINE_TESTOP(test_and_clear_bits, andc, PPC_RELEASE_BARRIER, - PPC_ACQUIRE_BARRIER, 0) -DEFINE_TESTOP(test_and_change_bits, xor, PPC_RELEASE_BARRIER, - PPC_ACQUIRE_BARRIER, 0) +DEFINE_TESTOP(test_and_clear_bits, andc, PPC_ATOMIC_ENTRY_BARRIER, + PPC_ATOMIC_EXIT_BARRIER, 0) +DEFINE_TESTOP(test_and_change_bits, xor, PPC_ATOMIC_ENTRY_BARRIER, + PPC_ATOMIC_EXIT_BARRIER, 0) static __inline__ int test_and_set_bit(unsigned long nr, volatile unsigned long *addr) diff --git a/arch/powerpc/include/asm/futex.h b/arch/powerpc/include/asm/futex.h index c94e4a3..2a9cf84 100644 --- a/arch/powerpc/include/asm/futex.h +++ b/arch/powerpc/include/asm/futex.h @@ -11,12 +11,13 @@ #define __futex_atomic_op(insn, ret, oldval, uaddr, oparg) \ __asm__ __volatile ( \ - PPC_RELEASE_BARRIER \ + PPC_ATOMIC_ENTRY_BARRIER \ "1: lwarx %0,0,%2\n" \ insn \ PPC405_ERR77(0, %2) \ "2: stwcx. %1,0,%2\n" \ "bne- 1b\n" \ + PPC_ATOMIC_EXIT_BARRIER \ "li %1,0\n" \ "3: .section .fixup,\"ax\"\n" \ "4: li %1,%3\n" \ @@ -92,14 +93,14 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, return -EFAULT; __asm__ __volatile__ ( - PPC_RELEASE_BARRIER + PPC_ATOMIC_ENTRY_BARRIER "1: lwarx %1,0,%3 # futex_atomic_cmpxchg_inatomic\n\ cmpw 0,%1,%4\n\ bne- 3f\n" PPC405_ERR77(0,%3) "2: stwcx. %5,0,%3\n\ bne- 1b\n" - PPC_ACQUIRE_BARRIER + PPC_ATOMIC_EXIT_BARRIER "3: .section .fixup,\"ax\"\n\ 4: li %0,%6\n\ b 3b\n\ diff --git a/arch/powerpc/include/asm/kvm.h b/arch/powerpc/include/asm/kvm.h index 08fe69e..0ad432b 100644 --- a/arch/powerpc/include/asm/kvm.h +++ b/arch/powerpc/include/asm/kvm.h @@ -149,12 +149,6 @@ struct kvm_regs { #define KVM_SREGS_E_UPDATE_DBSR (1 << 3) /* - * Book3S special bits to indicate contents in the struct by maintaining - * backwards compatibility with older structs. If adding a new field, - * please make sure to add a flag for that new field */ -#define KVM_SREGS_S_HIOR (1 << 0) - -/* * In KVM_SET_SREGS, reserved/pad fields must be left untouched from a * previous KVM_GET_REGS. * @@ -179,8 +173,6 @@ struct kvm_sregs { __u64 ibat[8]; __u64 dbat[8]; } ppc32; - __u64 flags; /* KVM_SREGS_S_ */ - __u64 hior; } s; struct { union { diff --git a/arch/powerpc/include/asm/kvm_book3s.h b/arch/powerpc/include/asm/kvm_book3s.h index a384ffd..d4df013 100644 --- a/arch/powerpc/include/asm/kvm_book3s.h +++ b/arch/powerpc/include/asm/kvm_book3s.h @@ -90,8 +90,6 @@ struct kvmppc_vcpu_book3s { #endif int context_id[SID_CONTEXTS]; - bool hior_sregs; /* HIOR is set by SREGS, not PVR */ - struct hlist_head hpte_hash_pte[HPTEG_HASH_NUM_PTE]; struct hlist_head hpte_hash_pte_long[HPTEG_HASH_NUM_PTE_LONG]; struct hlist_head hpte_hash_vpte[HPTEG_HASH_NUM_VPTE]; diff --git a/arch/powerpc/include/asm/reg_booke.h b/arch/powerpc/include/asm/reg_booke.h index 28cdbd9..03c48e8 100644 --- a/arch/powerpc/include/asm/reg_booke.h +++ b/arch/powerpc/include/asm/reg_booke.h @@ -31,7 +31,7 @@ #define MSR_ MSR_ME | MSR_CE #define MSR_KERNEL MSR_ | MSR_64BIT -#define MSR_USER32 MSR_ | MSR_PR | MSR_EE | MSR_DE +#define MSR_USER32 MSR_ | MSR_PR | MSR_EE #define MSR_USER64 MSR_USER32 | MSR_64BIT #elif defined (CONFIG_40x) #define MSR_KERNEL (MSR_ME|MSR_RI|MSR_IR|MSR_DR|MSR_CE) diff --git a/arch/powerpc/include/asm/sections.h b/arch/powerpc/include/asm/sections.h index 6fbce72..a0f358d 100644 --- a/arch/powerpc/include/asm/sections.h +++ b/arch/powerpc/include/asm/sections.h @@ -8,7 +8,7 @@ #ifdef __powerpc64__ -extern char _end[]; +extern char __end_interrupts[]; static inline int in_kernel_text(unsigned long addr) { diff --git a/arch/powerpc/include/asm/synch.h b/arch/powerpc/include/asm/synch.h index d7cab44..e682a71 100644 --- a/arch/powerpc/include/asm/synch.h +++ b/arch/powerpc/include/asm/synch.h @@ -13,6 +13,7 @@ extern unsigned int __start___lwsync_fixup, __stop___lwsync_fixup; extern void do_lwsync_fixups(unsigned long value, void *fixup_start, void *fixup_end); +extern void do_final_fixups(void); static inline void eieio(void) { @@ -41,11 +42,15 @@ static inline void isync(void) START_LWSYNC_SECTION(97); \ isync; \ MAKE_LWSYNC_SECTION_ENTRY(97, __lwsync_fixup); -#define PPC_ACQUIRE_BARRIER "\n" stringify_in_c(__PPC_ACQUIRE_BARRIER) -#define PPC_RELEASE_BARRIER stringify_in_c(LWSYNC) "\n" +#define PPC_ACQUIRE_BARRIER "\n" stringify_in_c(__PPC_ACQUIRE_BARRIER) +#define PPC_RELEASE_BARRIER stringify_in_c(LWSYNC) "\n" +#define PPC_ATOMIC_ENTRY_BARRIER "\n" stringify_in_c(LWSYNC) "\n" +#define PPC_ATOMIC_EXIT_BARRIER "\n" stringify_in_c(sync) "\n" #else #define PPC_ACQUIRE_BARRIER #define PPC_RELEASE_BARRIER +#define PPC_ATOMIC_ENTRY_BARRIER +#define PPC_ATOMIC_EXIT_BARRIER #endif #endif /* __KERNEL__ */ diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S index 56212bc..4f80cf1 100644 --- a/arch/powerpc/kernel/entry_32.S +++ b/arch/powerpc/kernel/entry_32.S @@ -215,7 +215,22 @@ reenable_mmu: /* re-enable mmu so we can */ stw r9,8(r1) stw r11,12(r1) stw r3,ORIG_GPR3(r1) + /* + * The trace_hardirqs_off will use CALLER_ADDR0 and CALLER_ADDR1. + * If from user mode there is only one stack frame on the stack, and + * accessing CALLER_ADDR1 will cause oops. So we need create a dummy + * stack frame to make trace_hardirqs_off happy. + */ + andi. r12,r12,MSR_PR + beq 11f + stwu r1,-16(r1) + bl trace_hardirqs_off + addi r1,r1,16 + b 12f + +11: bl trace_hardirqs_off +12: lwz r0,GPR0(r1) lwz r3,ORIG_GPR3(r1) lwz r4,GPR4(r1) diff --git a/arch/powerpc/kernel/jump_label.c b/arch/powerpc/kernel/jump_label.c index 368d158..a1ed8a8 100644 --- a/arch/powerpc/kernel/jump_label.c +++ b/arch/powerpc/kernel/jump_label.c @@ -11,6 +11,7 @@ #include <linux/jump_label.h> #include <asm/code-patching.h> +#ifdef HAVE_JUMP_LABEL void arch_jump_label_transform(struct jump_entry *entry, enum jump_label_type type) { @@ -21,3 +22,4 @@ void arch_jump_label_transform(struct jump_entry *entry, else patch_instruction(addr, PPC_INST_NOP); } +#endif diff --git a/arch/powerpc/kernel/kvm.c b/arch/powerpc/kernel/kvm.c index 35f2764..2985338 100644 --- a/arch/powerpc/kernel/kvm.c +++ b/arch/powerpc/kernel/kvm.c @@ -132,7 +132,6 @@ static void kvm_patch_ins_b(u32 *inst, int addr) /* On relocatable kernels interrupts handlers and our code can be in different regions, so we don't patch them */ - extern u32 __end_interrupts; if ((ulong)inst < (ulong)&__end_interrupts) return; #endif diff --git a/arch/powerpc/kernel/misc_32.S b/arch/powerpc/kernel/misc_32.S index f7d760a..7cd07b4 100644 --- a/arch/powerpc/kernel/misc_32.S +++ b/arch/powerpc/kernel/misc_32.S @@ -738,7 +738,7 @@ relocate_new_kernel: mr r5, r31 li r0, 0 -#elif defined(CONFIG_44x) && !defined(CONFIG_47x) +#elif defined(CONFIG_44x) && !defined(CONFIG_PPC_47x) /* * Code for setting up 1:1 mapping for PPC440x for KEXEC diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index 9054ca9..6457574 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -486,28 +486,6 @@ struct task_struct *__switch_to(struct task_struct *prev, new_thread = &new->thread; old_thread = ¤t->thread; -#if defined(CONFIG_PPC_BOOK3E_64) - /* XXX Current Book3E code doesn't deal with kernel side DBCR0, - * we always hold the user values, so we set it now. - * - * However, we ensure the kernel MSR:DE is appropriately cleared too - * to avoid spurrious single step exceptions in the kernel. - * - * This will have to change to merge with the ppc32 code at some point, - * but I don't like much what ppc32 is doing today so there's some - * thinking needed there - */ - if ((new_thread->dbcr0 | old_thread->dbcr0) & DBCR0_IDM) { - u32 dbcr0; - - mtmsr(mfmsr() & ~MSR_DE); - isync(); - dbcr0 = mfspr(SPRN_DBCR0); - dbcr0 = (dbcr0 & DBCR0_EDM) | new_thread->dbcr0; - mtspr(SPRN_DBCR0, dbcr0); - } -#endif /* CONFIG_PPC64_BOOK3E */ - #ifdef CONFIG_PPC64 /* * Collect processor utilization data per process @@ -657,7 +635,7 @@ void show_regs(struct pt_regs * regs) if ((regs->trap != 0xc00) && cpu_has_feature(CPU_FTR_CFAR)) printk("CFAR: "REG"\n", regs->orig_gpr3); if (trap == 0x300 || trap == 0x600) -#ifdef CONFIG_PPC_ADV_DEBUG_REGS +#if defined(CONFIG_4xx) || defined(CONFIG_BOOKE) printk("DEAR: "REG", ESR: "REG"\n", regs->dar, regs->dsisr); #else printk("DAR: "REG", DSISR: %08lx\n", regs->dar, regs->dsisr); diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c index b4fa661..cc58486 100644 --- a/arch/powerpc/kernel/prom_init.c +++ b/arch/powerpc/kernel/prom_init.c @@ -1579,10 +1579,8 @@ static void __init prom_instantiate_rtas(void) return; base = alloc_down(size, PAGE_SIZE, 0); - if (base == 0) { - prom_printf("RTAS allocation failed !\n"); - return; - } + if (base == 0) + prom_panic("Could not allocate memory for RTAS\n"); rtas_inst = call_prom("open", 1, 1, ADDR("/rtas")); if (!IHANDLE_VALID(rtas_inst)) { diff --git a/arch/powerpc/kernel/setup_32.c b/arch/powerpc/kernel/setup_32.c index c1ce863..ac76108 100644 --- a/arch/powerpc/kernel/setup_32.c +++ b/arch/powerpc/kernel/setup_32.c @@ -107,6 +107,8 @@ notrace unsigned long __init early_init(unsigned long dt_ptr) PTRRELOC(&__start___lwsync_fixup), PTRRELOC(&__stop___lwsync_fixup)); + do_final_fixups(); + return KERNELBASE + offset; } diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c index 1a9dea8..fb9bb46 100644 --- a/arch/powerpc/kernel/setup_64.c +++ b/arch/powerpc/kernel/setup_64.c @@ -359,6 +359,7 @@ void __init setup_system(void) &__start___fw_ftr_fixup, &__stop___fw_ftr_fixup); do_lwsync_fixups(cur_cpu_spec->cpu_features, &__start___lwsync_fixup, &__stop___lwsync_fixup); + do_final_fixups(); /* * Unflatten the device-tree passed by prom_init or kexec diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c index 78b76dc..836a5a1 100644 --- a/arch/powerpc/kernel/signal_32.c +++ b/arch/powerpc/kernel/signal_32.c @@ -97,7 +97,7 @@ static inline int put_sigset_t(compat_sigset_t __user *uset, sigset_t *set) compat_sigset_t cset; switch (_NSIG_WORDS) { - case 4: cset.sig[5] = set->sig[3] & 0xffffffffull; + case 4: cset.sig[6] = set->sig[3] & 0xffffffffull; cset.sig[7] = set->sig[3] >> 32; case 3: cset.sig[4] = set->sig[2] & 0xffffffffull; cset.sig[5] = set->sig[2] >> 32; diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c index 4e59082..5459d14 100644 --- a/arch/powerpc/kernel/traps.c +++ b/arch/powerpc/kernel/traps.c @@ -1298,14 +1298,12 @@ void __kprobes DebugException(struct pt_regs *regs, unsigned long debug_status) if (user_mode(regs)) { current->thread.dbcr0 &= ~DBCR0_IC; -#ifdef CONFIG_PPC_ADV_DEBUG_REGS if (DBCR_ACTIVE_EVENTS(current->thread.dbcr0, current->thread.dbcr1)) regs->msr |= MSR_DE; else /* Make sure the IDM bit is off */ current->thread.dbcr0 &= ~DBCR0_IDM; -#endif } _exception(SIGTRAP, regs, TRAP_TRACE, regs->nip); diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c index 0cdbc07..0cb137a 100644 --- a/arch/powerpc/kvm/book3s_hv.c +++ b/arch/powerpc/kvm/book3s_hv.c @@ -44,6 +44,7 @@ #include <asm/processor.h> #include <asm/cputhreads.h> #include <asm/page.h> +#include <asm/hvcall.h> #include <linux/gfp.h> #include <linux/sched.h> #include <linux/vmalloc.h> diff --git a/arch/powerpc/kvm/book3s_pr.c b/arch/powerpc/kvm/book3s_pr.c index bc4d50d..3c791e1 100644 --- a/arch/powerpc/kvm/book3s_pr.c +++ b/arch/powerpc/kvm/book3s_pr.c @@ -151,16 +151,14 @@ void kvmppc_set_pvr(struct kvm_vcpu *vcpu, u32 pvr) #ifdef CONFIG_PPC_BOOK3S_64 if ((pvr >= 0x330000) && (pvr < 0x70330000)) { kvmppc_mmu_book3s_64_init(vcpu); - if (!to_book3s(vcpu)->hior_sregs) - to_book3s(vcpu)->hior = 0xfff00000; + to_book3s(vcpu)->hior = 0xfff00000; to_book3s(vcpu)->msr_mask = 0xffffffffffffffffULL; vcpu->arch.cpu_type = KVM_CPU_3S_64; } else #endif { kvmppc_mmu_book3s_32_init(vcpu); - if (!to_book3s(vcpu)->hior_sregs) - to_book3s(vcpu)->hior = 0; + to_book3s(vcpu)->hior = 0; to_book3s(vcpu)->msr_mask = 0xffffffffULL; vcpu->arch.cpu_type = KVM_CPU_3S_32; } @@ -797,9 +795,6 @@ int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu, } } - if (sregs->u.s.flags & KVM_SREGS_S_HIOR) - sregs->u.s.hior = to_book3s(vcpu)->hior; - return 0; } @@ -836,11 +831,6 @@ int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu, /* Flush the MMU after messing with the segments */ kvmppc_mmu_pte_flush(vcpu, 0, 0); - if (sregs->u.s.flags & KVM_SREGS_S_HIOR) { - to_book3s(vcpu)->hior_sregs = true; - to_book3s(vcpu)->hior = sregs->u.s.hior; - } - return 0; } diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index efbf9ad..607fbdf 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -208,7 +208,6 @@ int kvm_dev_ioctl_check_extension(long ext) case KVM_CAP_PPC_BOOKE_SREGS: #else case KVM_CAP_PPC_SEGSTATE: - case KVM_CAP_PPC_HIOR: case KVM_CAP_PPC_PAPR: #endif case KVM_CAP_PPC_UNSET_IRQ: diff --git a/arch/powerpc/lib/feature-fixups.c b/arch/powerpc/lib/feature-fixups.c index 0d08d01..7a8a748 100644 --- a/arch/powerpc/lib/feature-fixups.c +++ b/arch/powerpc/lib/feature-fixups.c @@ -18,6 +18,8 @@ #include <linux/init.h> #include <asm/cputable.h> #include <asm/code-patching.h> +#include <asm/page.h> +#include <asm/sections.h> struct fixup_entry { @@ -128,6 +130,27 @@ void do_lwsync_fixups(unsigned long value, void *fixup_start, void *fixup_end) } } +void do_final_fixups(void) +{ +#if defined(CONFIG_PPC64) && defined(CONFIG_RELOCATABLE) + int *src, *dest; + unsigned long length; + + if (PHYSICAL_START == 0) + return; + + src = (int *)(KERNELBASE + PHYSICAL_START); + dest = (int *)KERNELBASE; + length = (__end_interrupts - _stext) / sizeof(int); + + while (length--) { + patch_instruction(dest, *src); + src++; + dest++; + } +#endif +} + #ifdef CONFIG_FTR_FIXUP_SELFTEST #define check(x) \ diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c index 5964371..8558b57 100644 --- a/arch/powerpc/mm/hugetlbpage.c +++ b/arch/powerpc/mm/hugetlbpage.c @@ -15,6 +15,7 @@ #include <linux/of_fdt.h> #include <linux/memblock.h> #include <linux/bootmem.h> +#include <linux/moduleparam.h> #include <asm/pgtable.h> #include <asm/pgalloc.h> #include <asm/tlb.h> diff --git a/arch/powerpc/platforms/85xx/Kconfig b/arch/powerpc/platforms/85xx/Kconfig index 45023e2..d7946be2 100644 --- a/arch/powerpc/platforms/85xx/Kconfig +++ b/arch/powerpc/platforms/85xx/Kconfig @@ -203,7 +203,7 @@ config P3060_QDS select PPC_E500MC select PHYS_64BIT select SWIOTLB - select MPC8xxx_GPIO + select GPIO_MPC8XXX select HAS_RAPIDIO select PPC_EPAPR_HV_PIC help diff --git a/arch/powerpc/platforms/85xx/p3060_qds.c b/arch/powerpc/platforms/85xx/p3060_qds.c index 01dcf44..081cf4a 100644 --- a/arch/powerpc/platforms/85xx/p3060_qds.c +++ b/arch/powerpc/platforms/85xx/p3060_qds.c @@ -70,7 +70,7 @@ define_machine(p3060_qds) { .power_save = e500_idle, }; -machine_device_initcall(p3060_qds, declare_of_platform_devices); +machine_device_initcall(p3060_qds, corenet_ds_publish_devices); #ifdef CONFIG_SWIOTLB machine_arch_initcall(p3060_qds, swiotlb_setup_bus_notifier); diff --git a/arch/powerpc/platforms/Kconfig b/arch/powerpc/platforms/Kconfig index e458872..3fe6d92 100644 --- a/arch/powerpc/platforms/Kconfig +++ b/arch/powerpc/platforms/Kconfig @@ -347,7 +347,7 @@ config SIMPLE_GPIO config MCU_MPC8349EMITX bool "MPC8349E-mITX MCU driver" - depends on I2C && PPC_83xx + depends on I2C=y && PPC_83xx select GENERIC_GPIO select ARCH_REQUIRE_GPIOLIB help diff --git a/arch/powerpc/platforms/ps3/interrupt.c b/arch/powerpc/platforms/ps3/interrupt.c index 404bc52..1d6f4f4 100644 --- a/arch/powerpc/platforms/ps3/interrupt.c +++ b/arch/powerpc/platforms/ps3/interrupt.c @@ -88,6 +88,7 @@ struct ps3_private { struct ps3_bmp bmp __attribute__ ((aligned (PS3_BMP_MINALIGN))); u64 ppe_id; u64 thread_id; + unsigned long ipi_mask; }; static DEFINE_PER_CPU(struct ps3_private, ps3_private); @@ -144,7 +145,11 @@ static void ps3_chip_unmask(struct irq_data *d) static void ps3_chip_eoi(struct irq_data *d) { const struct ps3_private *pd = irq_data_get_irq_chip_data(d); - lv1_end_of_interrupt_ext(pd->ppe_id, pd->thread_id, d->irq); + + /* non-IPIs are EOIed here. */ + + if (!test_bit(63 - d->irq, &pd->ipi_mask)) + lv1_end_of_interrupt_ext(pd->ppe_id, pd->thread_id, d->irq); } /** @@ -691,6 +696,16 @@ void __init ps3_register_ipi_debug_brk(unsigned int cpu, unsigned int virq) cpu, virq, pd->bmp.ipi_debug_brk_mask); } +void __init ps3_register_ipi_irq(unsigned int cpu, unsigned int virq) +{ + struct ps3_private *pd = &per_cpu(ps3_private, cpu); + + set_bit(63 - virq, &pd->ipi_mask); + + DBG("%s:%d: cpu %u, virq %u, ipi_mask %lxh\n", __func__, __LINE__, + cpu, virq, pd->ipi_mask); +} + static unsigned int ps3_get_irq(void) { struct ps3_private *pd = &__get_cpu_var(ps3_private); @@ -720,6 +735,12 @@ static unsigned int ps3_get_irq(void) BUG(); } #endif + + /* IPIs are EOIed here. */ + + if (test_bit(63 - plug, &pd->ipi_mask)) + lv1_end_of_interrupt_ext(pd->ppe_id, pd->thread_id, plug); + return plug; } diff --git a/arch/powerpc/platforms/ps3/platform.h b/arch/powerpc/platforms/ps3/platform.h index 9a196a8..1a633ed 100644 --- a/arch/powerpc/platforms/ps3/platform.h +++ b/arch/powerpc/platforms/ps3/platform.h @@ -43,6 +43,7 @@ void ps3_mm_shutdown(void); void ps3_init_IRQ(void); void ps3_shutdown_IRQ(int cpu); void __init ps3_register_ipi_debug_brk(unsigned int cpu, unsigned int virq); +void __init ps3_register_ipi_irq(unsigned int cpu, unsigned int virq); /* smp */ diff --git a/arch/powerpc/platforms/ps3/smp.c b/arch/powerpc/platforms/ps3/smp.c index 4c44794..efc1cd8 100644 --- a/arch/powerpc/platforms/ps3/smp.c +++ b/arch/powerpc/platforms/ps3/smp.c @@ -59,46 +59,49 @@ static void ps3_smp_message_pass(int cpu, int msg) static int ps3_smp_probe(void) { - return 2; -} + int cpu; -static void __init ps3_smp_setup_cpu(int cpu) -{ - int result; - unsigned int *virqs = per_cpu(ps3_ipi_virqs, cpu); - int i; + for (cpu = 0; cpu < 2; cpu++) { + int result; + unsigned int *virqs = per_cpu(ps3_ipi_virqs, cpu); + int i; - DBG(" -> %s:%d: (%d)\n", __func__, __LINE__, cpu); + DBG(" -> %s:%d: (%d)\n", __func__, __LINE__, cpu); - /* - * Check assumptions on ps3_ipi_virqs[] indexing. If this - * check fails, then a different mapping of PPC_MSG_ - * to index needs to be setup. - */ + /* + * Check assumptions on ps3_ipi_virqs[] indexing. If this + * check fails, then a different mapping of PPC_MSG_ + * to index needs to be setup. + */ - BUILD_BUG_ON(PPC_MSG_CALL_FUNCTION != 0); - BUILD_BUG_ON(PPC_MSG_RESCHEDULE != 1); - BUILD_BUG_ON(PPC_MSG_CALL_FUNC_SINGLE != 2); - BUILD_BUG_ON(PPC_MSG_DEBUGGER_BREAK != 3); + BUILD_BUG_ON(PPC_MSG_CALL_FUNCTION != 0); + BUILD_BUG_ON(PPC_MSG_RESCHEDULE != 1); + BUILD_BUG_ON(PPC_MSG_CALL_FUNC_SINGLE != 2); + BUILD_BUG_ON(PPC_MSG_DEBUGGER_BREAK != 3); - for (i = 0; i < MSG_COUNT; i++) { - result = ps3_event_receive_port_setup(cpu, &virqs[i]); + for (i = 0; i < MSG_COUNT; i++) { + result = ps3_event_receive_port_setup(cpu, &virqs[i]); - if (result) - continue; + if (result) + continue; - DBG("%s:%d: (%d, %d) => virq %u\n", - __func__, __LINE__, cpu, i, virqs[i]); + DBG("%s:%d: (%d, %d) => virq %u\n", + __func__, __LINE__, cpu, i, virqs[i]); - result = smp_request_message_ipi(virqs[i], i); + result = smp_request_message_ipi(virqs[i], i); - if (result) - virqs[i] = NO_IRQ; - } + if (result) + virqs[i] = NO_IRQ; + else + ps3_register_ipi_irq(cpu, virqs[i]); + } - ps3_register_ipi_debug_brk(cpu, virqs[PPC_MSG_DEBUGGER_BREAK]); + ps3_register_ipi_debug_brk(cpu, virqs[PPC_MSG_DEBUGGER_BREAK]); - DBG(" <- %s:%d: (%d)\n", __func__, __LINE__, cpu); + DBG(" <- %s:%d: (%d)\n", __func__, __LINE__, cpu); + } + + return 2; } void ps3_smp_cleanup_cpu(int cpu) @@ -121,7 +124,6 @@ static struct smp_ops_t ps3_smp_ops = { .probe = ps3_smp_probe, .message_pass = ps3_smp_message_pass, .kick_cpu = smp_generic_kick_cpu, - .setup_cpu = ps3_smp_setup_cpu, }; void smp_init_ps3(void) diff --git a/arch/powerpc/sysdev/ehv_pic.c b/arch/powerpc/sysdev/ehv_pic.c index af1a5df..b6731e4 100644 --- a/arch/powerpc/sysdev/ehv_pic.c +++ b/arch/powerpc/sysdev/ehv_pic.c @@ -280,6 +280,7 @@ void __init ehv_pic_init(void) if (!ehv_pic->irqhost) { of_node_put(np); + kfree(ehv_pic); return; } diff --git a/arch/powerpc/sysdev/fsl_lbc.c b/arch/powerpc/sysdev/fsl_lbc.c index c4d96fa..d5c3c90 100644 --- a/arch/powerpc/sysdev/fsl_lbc.c +++ b/arch/powerpc/sysdev/fsl_lbc.c @@ -328,6 +328,7 @@ static int __devinit fsl_lbc_ctrl_probe(struct platform_device *dev) err: iounmap(fsl_lbc_ctrl_dev->regs); kfree(fsl_lbc_ctrl_dev); + fsl_lbc_ctrl_dev = NULL; return ret; } diff --git a/arch/powerpc/sysdev/qe_lib/qe.c b/arch/powerpc/sysdev/qe_lib/qe.c index 3363fbc..ceb09cb 100644 --- a/arch/powerpc/sysdev/qe_lib/qe.c +++ b/arch/powerpc/sysdev/qe_lib/qe.c @@ -216,7 +216,7 @@ int qe_setbrg(enum qe_clock brg, unsigned int rate, unsigned int multiplier) /* Errata QE_General4, which affects some MPC832x and MPC836x SOCs, says that the BRG divisor must be even if you're not using divide-by-16 mode. */ - if (!div16 && (divisor & 1)) + if (!div16 && (divisor & 1) && (divisor > 3)) divisor++; tempval = ((divisor - 1) << QE_BRGC_DIVISOR_SHIFT) | diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h index 24e1847..b0c235c 100644 --- a/arch/s390/include/asm/kvm_host.h +++ b/arch/s390/include/asm/kvm_host.h @@ -47,7 +47,7 @@ struct sca_block { #define KVM_HPAGE_MASK(x) (~(KVM_HPAGE_SIZE(x) - 1)) #define KVM_PAGES_PER_HPAGE(x) (KVM_HPAGE_SIZE(x) / PAGE_SIZE) -#define CPUSTAT_HOST 0x80000000 +#define CPUSTAT_STOPPED 0x80000000 #define CPUSTAT_WAIT 0x10000000 #define CPUSTAT_ECALL_PEND 0x08000000 #define CPUSTAT_STOP_INT 0x04000000 @@ -139,6 +139,7 @@ struct kvm_vcpu_stat { u32 instruction_stfl; u32 instruction_tprot; u32 instruction_sigp_sense; + u32 instruction_sigp_sense_running; u32 instruction_sigp_external_call; u32 instruction_sigp_emergency; u32 instruction_sigp_stop; diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h index 524d23b..4f289ff 100644 --- a/arch/s390/include/asm/pgtable.h +++ b/arch/s390/include/asm/pgtable.h @@ -599,10 +599,10 @@ static inline pgste_t pgste_update_all(pte_t *ptep, pgste_t pgste) skey = page_get_storage_key(address); bits = skey & (_PAGE_CHANGED | _PAGE_REFERENCED); /* Clear page changed & referenced bit in the storage key */ - if (bits) { - skey ^= bits; - page_set_storage_key(address, skey, 1); - } + if (bits & _PAGE_CHANGED) + page_set_storage_key(address, skey ^ bits, 1); + else if (bits) + page_reset_referenced(address); /* Transfer page changed & referenced bit to guest bits in pgste */ pgste_val(pgste) |= bits << 48; /* RCP_GR_BIT & RCP_GC_BIT */ /* Get host changed & referenced bits from pgste */ diff --git a/arch/s390/kernel/ptrace.c b/arch/s390/kernel/ptrace.c index 450931a..573bc29 100644 --- a/arch/s390/kernel/ptrace.c +++ b/arch/s390/kernel/ptrace.c @@ -296,13 +296,6 @@ static int __poke_user(struct task_struct *child, addr_t addr, addr_t data) ((data & PSW_MASK_EA) && !(data & PSW_MASK_BA)))) /* Invalid psw mask. */ return -EINVAL; - if (addr == (addr_t) &dummy->regs.psw.addr) - /* - * The debugger changed the instruction address, - * reset system call restart, see signal.c:do_signal - */ - task_thread_info(child)->system_call = 0; - *(addr_t *)((addr_t) &task_pt_regs(child)->psw + addr) = data; } else if (addr < (addr_t) (&dummy->regs.orig_gpr2)) { @@ -614,11 +607,6 @@ static int __poke_user_compat(struct task_struct *child, /* Transfer 31 bit amode bit to psw mask. */ regs->psw.mask = (regs->psw.mask & ~PSW_MASK_BA) | (__u64)(tmp & PSW32_ADDR_AMODE); - /* - * The debugger changed the instruction address, - * reset system call restart, see signal.c:do_signal - */ - task_thread_info(child)->system_call = 0; } else { /* gpr 0-15 */ *(__u32*)((addr_t) ®s->psw + addr*2 + 4) = tmp; @@ -905,6 +893,14 @@ static int s390_last_break_get(struct task_struct *target, return 0; } +static int s390_last_break_set(struct task_struct *target, + const struct user_regset *regset, + unsigned int pos, unsigned int count, + const void *kbuf, const void __user *ubuf) +{ + return 0; +} + #endif static int s390_system_call_get(struct task_struct *target, @@ -951,6 +947,7 @@ static const struct user_regset s390_regsets[] = { .size = sizeof(long), .align = sizeof(long), .get = s390_last_break_get, + .set = s390_last_break_set, }, #endif [REGSET_SYSTEM_CALL] = { @@ -1116,6 +1113,14 @@ static int s390_compat_last_break_get(struct task_struct *target, return 0; } +static int s390_compat_last_break_set(struct task_struct *target, + const struct user_regset *regset, + unsigned int pos, unsigned int count, + const void *kbuf, const void __user *ubuf) +{ + return 0; +} + static const struct user_regset s390_compat_regsets[] = { [REGSET_GENERAL] = { .core_note_type = NT_PRSTATUS, @@ -1139,6 +1144,7 @@ static const struct user_regset s390_compat_regsets[] = { .size = sizeof(long), .align = sizeof(long), .get = s390_compat_last_break_get, + .set = s390_compat_last_break_set, }, [REGSET_SYSTEM_CALL] = { .core_note_type = NT_S390_SYSTEM_CALL, diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index e58a462..e54c4ff 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -579,7 +579,7 @@ static unsigned long __init find_crash_base(unsigned long crash_size, *msg = "first memory chunk must be at least crashkernel size"; return 0; } - if (is_kdump_kernel() && (crash_size == OLDMEM_SIZE)) + if (OLDMEM_BASE && crash_size == OLDMEM_SIZE) return OLDMEM_BASE; for (i = MEMORY_CHUNKS - 1; i >= 0; i--) { diff --git a/arch/s390/kernel/signal.c b/arch/s390/kernel/signal.c index 05a85bc..7f6f9f3 100644 --- a/arch/s390/kernel/signal.c +++ b/arch/s390/kernel/signal.c @@ -460,9 +460,9 @@ void do_signal(struct pt_regs *regs) regs->svc_code >> 16); break; } - /* No longer in a system call */ - clear_thread_flag(TIF_SYSCALL); } + /* No longer in a system call */ + clear_thread_flag(TIF_SYSCALL); if ((is_compat_task() ? handle_signal32(signr, &ka, &info, oldset, regs) : @@ -486,6 +486,7 @@ void do_signal(struct pt_regs *regs) } /* No handlers present - check for system call restart */ + clear_thread_flag(TIF_SYSCALL); if (current_thread_info()->system_call) { regs->svc_code = current_thread_info()->system_call; switch (regs->gprs[2]) { @@ -500,9 +501,6 @@ void do_signal(struct pt_regs *regs) regs->gprs[2] = regs->orig_gpr2; set_thread_flag(TIF_SYSCALL); break; - default: - clear_thread_flag(TIF_SYSCALL); - break; } } diff --git a/arch/s390/kvm/diag.c b/arch/s390/kvm/diag.c index 87cedd6..8943e82 100644 --- a/arch/s390/kvm/diag.c +++ b/arch/s390/kvm/diag.c @@ -70,7 +70,7 @@ static int __diag_ipl_functions(struct kvm_vcpu *vcpu) return -EOPNOTSUPP; } - atomic_clear_mask(CPUSTAT_RUNNING, &vcpu->arch.sie_block->cpuflags); + atomic_set_mask(CPUSTAT_STOPPED, &vcpu->arch.sie_block->cpuflags); vcpu->run->s390_reset_flags |= KVM_S390_RESET_SUBSYSTEM; vcpu->run->s390_reset_flags |= KVM_S390_RESET_IPL; vcpu->run->s390_reset_flags |= KVM_S390_RESET_CPU_INIT; diff --git a/arch/s390/kvm/intercept.c b/arch/s390/kvm/intercept.c index c7c5189..0243454 100644 --- a/arch/s390/kvm/intercept.c +++ b/arch/s390/kvm/intercept.c @@ -132,7 +132,6 @@ static int handle_stop(struct kvm_vcpu *vcpu) int rc = 0; vcpu->stat.exit_stop_request++; - atomic_clear_mask(CPUSTAT_RUNNING, &vcpu->arch.sie_block->cpuflags); spin_lock_bh(&vcpu->arch.local_int.lock); if (vcpu->arch.local_int.action_bits & ACTION_STORE_ON_STOP) { vcpu->arch.local_int.action_bits &= ~ACTION_STORE_ON_STOP; @@ -149,6 +148,8 @@ static int handle_stop(struct kvm_vcpu *vcpu) } if (vcpu->arch.local_int.action_bits & ACTION_STOP_ON_STOP) { + atomic_set_mask(CPUSTAT_STOPPED, + &vcpu->arch.sie_block->cpuflags); vcpu->arch.local_int.action_bits &= ~ACTION_STOP_ON_STOP; VCPU_EVENT(vcpu, 3, "%s", "cpu stopped"); rc = -EOPNOTSUPP; diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c index 87c1670..278ee00 100644 --- a/arch/s390/kvm/interrupt.c +++ b/arch/s390/kvm/interrupt.c @@ -252,6 +252,7 @@ static void __do_deliver_interrupt(struct kvm_vcpu *vcpu, offsetof(struct _lowcore, restart_psw), sizeof(psw_t)); if (rc == -EFAULT) exception = 1; + atomic_clear_mask(CPUSTAT_STOPPED, &vcpu->arch.sie_block->cpuflags); break; case KVM_S390_PROGRAM_INT: diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 0bd3bea..d1c44573 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -65,6 +65,7 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { { "instruction_stfl", VCPU_STAT(instruction_stfl) }, { "instruction_tprot", VCPU_STAT(instruction_tprot) }, { "instruction_sigp_sense", VCPU_STAT(instruction_sigp_sense) }, + { "instruction_sigp_sense_running", VCPU_STAT(instruction_sigp_sense_running) }, { "instruction_sigp_external_call", VCPU_STAT(instruction_sigp_external_call) }, { "instruction_sigp_emergency", VCPU_STAT(instruction_sigp_emergency) }, { "instruction_sigp_stop", VCPU_STAT(instruction_sigp_stop) }, @@ -127,6 +128,7 @@ int kvm_dev_ioctl_check_extension(long ext) switch (ext) { case KVM_CAP_S390_PSW: case KVM_CAP_S390_GMAP: + case KVM_CAP_SYNC_MMU: r = 1; break; default: @@ -270,10 +272,12 @@ void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu) restore_fp_regs(&vcpu->arch.guest_fpregs); restore_access_regs(vcpu->arch.guest_acrs); gmap_enable(vcpu->arch.gmap); + atomic_set_mask(CPUSTAT_RUNNING, &vcpu->arch.sie_block->cpuflags); } void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu) { + atomic_clear_mask(CPUSTAT_RUNNING, &vcpu->arch.sie_block->cpuflags); gmap_disable(vcpu->arch.gmap); save_fp_regs(&vcpu->arch.guest_fpregs); save_access_regs(vcpu->arch.guest_acrs); @@ -301,7 +305,9 @@ static void kvm_s390_vcpu_initial_reset(struct kvm_vcpu *vcpu) int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu) { - atomic_set(&vcpu->arch.sie_block->cpuflags, CPUSTAT_ZARCH | CPUSTAT_SM); + atomic_set(&vcpu->arch.sie_block->cpuflags, CPUSTAT_ZARCH | + CPUSTAT_SM | + CPUSTAT_STOPPED); vcpu->arch.sie_block->ecb = 6; vcpu->arch.sie_block->eca = 0xC1002001U; vcpu->arch.sie_block->fac = (int) (long) facilities; @@ -428,7 +434,7 @@ static int kvm_arch_vcpu_ioctl_set_initial_psw(struct kvm_vcpu *vcpu, psw_t psw) { int rc = 0; - if (atomic_read(&vcpu->arch.sie_block->cpuflags) & CPUSTAT_RUNNING) + if (!(atomic_read(&vcpu->arch.sie_block->cpuflags) & CPUSTAT_STOPPED)) rc = -EBUSY; else { vcpu->run->psw_mask = psw.mask; @@ -501,7 +507,7 @@ rerun_vcpu: if (vcpu->sigset_active) sigprocmask(SIG_SETMASK, &vcpu->sigset, &sigsaved); - atomic_set_mask(CPUSTAT_RUNNING, &vcpu->arch.sie_block->cpuflags); + atomic_clear_mask(CPUSTAT_STOPPED, &vcpu->arch.sie_block->cpuflags); BUG_ON(vcpu->kvm->arch.float_int.local_int[vcpu->vcpu_id] == NULL); diff --git a/arch/s390/kvm/priv.c b/arch/s390/kvm/priv.c index 3916263..d026389 100644 --- a/arch/s390/kvm/priv.c +++ b/arch/s390/kvm/priv.c @@ -336,6 +336,7 @@ static int handle_tprot(struct kvm_vcpu *vcpu) u64 address1 = disp1 + base1 ? vcpu->arch.guest_gprs[base1] : 0; u64 address2 = disp2 + base2 ? vcpu->arch.guest_gprs[base2] : 0; struct vm_area_struct *vma; + unsigned long user_address; vcpu->stat.instruction_tprot++; @@ -349,9 +350,14 @@ static int handle_tprot(struct kvm_vcpu *vcpu) return -EOPNOTSUPP; + /* we must resolve the address without holding the mmap semaphore. + * This is ok since the userspace hypervisor is not supposed to change + * the mapping while the guest queries the memory. Otherwise the guest + * might crash or get wrong info anyway. */ + user_address = (unsigned long) __guestaddr_to_user(vcpu, address1); + down_read(¤t->mm->mmap_sem); - vma = find_vma(current->mm, - (unsigned long) __guestaddr_to_user(vcpu, address1)); + vma = find_vma(current->mm, user_address); if (!vma) { up_read(¤t->mm->mmap_sem); return kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING); diff --git a/arch/s390/kvm/sigp.c b/arch/s390/kvm/sigp.c index f815118..0a7941d 100644 --- a/arch/s390/kvm/sigp.c +++ b/arch/s390/kvm/sigp.c @@ -31,9 +31,11 @@ #define SIGP_SET_PREFIX 0x0d #define SIGP_STORE_STATUS_ADDR 0x0e #define SIGP_SET_ARCH 0x12 +#define SIGP_SENSE_RUNNING 0x15 /* cpu status bits */ #define SIGP_STAT_EQUIPMENT_CHECK 0x80000000UL +#define SIGP_STAT_NOT_RUNNING 0x00000400UL #define SIGP_STAT_INCORRECT_STATE 0x00000200UL #define SIGP_STAT_INVALID_PARAMETER 0x00000100UL #define SIGP_STAT_EXT_CALL_PENDING 0x00000080UL @@ -57,8 +59,8 @@ static int __sigp_sense(struct kvm_vcpu *vcpu, u16 cpu_addr, spin_lock(&fi->lock); if (fi->local_int[cpu_addr] == NULL) rc = 3; /* not operational */ - else if (atomic_read(fi->local_int[cpu_addr]->cpuflags) - & CPUSTAT_RUNNING) { + else if (!(atomic_read(fi->local_int[cpu_addr]->cpuflags) + & CPUSTAT_STOPPED)) { *reg &= 0xffffffff00000000UL; rc = 1; /* status stored */ } else { @@ -251,7 +253,7 @@ static int __sigp_set_prefix(struct kvm_vcpu *vcpu, u16 cpu_addr, u32 address, spin_lock_bh(&li->lock); /* cpu must be in stopped state */ - if (atomic_read(li->cpuflags) & CPUSTAT_RUNNING) { + if (!(atomic_read(li->cpuflags) & CPUSTAT_STOPPED)) { rc = 1; /* incorrect state */ *reg &= SIGP_STAT_INCORRECT_STATE; kfree(inti); @@ -275,6 +277,38 @@ out_fi: return rc; } +static int __sigp_sense_running(struct kvm_vcpu *vcpu, u16 cpu_addr, + unsigned long *reg) +{ + int rc; + struct kvm_s390_float_interrupt *fi = &vcpu->kvm->arch.float_int; + + if (cpu_addr >= KVM_MAX_VCPUS) + return 3; /* not operational */ + + spin_lock(&fi->lock); + if (fi->local_int[cpu_addr] == NULL) + rc = 3; /* not operational */ + else { + if (atomic_read(fi->local_int[cpu_addr]->cpuflags) + & CPUSTAT_RUNNING) { + /* running */ + rc = 1; + } else { + /* not running */ + *reg &= 0xffffffff00000000UL; + *reg |= SIGP_STAT_NOT_RUNNING; + rc = 0; + } + } + spin_unlock(&fi->lock); + + VCPU_EVENT(vcpu, 4, "sensed running status of cpu %x rc %x", cpu_addr, + rc); + + return rc; +} + int kvm_s390_handle_sigp(struct kvm_vcpu *vcpu) { int r1 = (vcpu->arch.sie_block->ipa & 0x00f0) >> 4; @@ -331,6 +365,11 @@ int kvm_s390_handle_sigp(struct kvm_vcpu *vcpu) rc = __sigp_set_prefix(vcpu, cpu_addr, parameter, &vcpu->arch.guest_gprs[r1]); break; + case SIGP_SENSE_RUNNING: + vcpu->stat.instruction_sigp_sense_running++; + rc = __sigp_sense_running(vcpu, cpu_addr, + &vcpu->arch.guest_gprs[r1]); + break; case SIGP_RESTART: vcpu->stat.instruction_sigp_restart++; /* user space must know about restart */ diff --git a/arch/sparc/include/asm/pgtable_32.h b/arch/sparc/include/asm/pgtable_32.h index 5b31a8e..a790cc6 100644 --- a/arch/sparc/include/asm/pgtable_32.h +++ b/arch/sparc/include/asm/pgtable_32.h @@ -431,10 +431,6 @@ extern unsigned long *sparc_valid_addr_bitmap; #define kern_addr_valid(addr) \ (test_bit(__pa((unsigned long)(addr))>>20, sparc_valid_addr_bitmap)) -extern int io_remap_pfn_range(struct vm_area_struct *vma, - unsigned long from, unsigned long pfn, - unsigned long size, pgprot_t prot); - /* * For sparc32&64, the pfn in io_remap_pfn_range() carries <iospace> in * its high 4 bits. These macros/functions put it there or get it from there. @@ -443,6 +439,22 @@ extern int io_remap_pfn_range(struct vm_area_struct *vma, #define GET_IOSPACE(pfn) (pfn >> (BITS_PER_LONG - 4)) #define GET_PFN(pfn) (pfn & 0x0fffffffUL) +extern int remap_pfn_range(struct vm_area_struct *, unsigned long, unsigned long, + unsigned long, pgprot_t); + +static inline int io_remap_pfn_range(struct vm_area_struct *vma, + unsigned long from, unsigned long pfn, + unsigned long size, pgprot_t prot) +{ + unsigned long long offset, space, phys_base; + + offset = ((unsigned long long) GET_PFN(pfn)) << PAGE_SHIFT; + space = GET_IOSPACE(pfn); + phys_base = offset | (space << 32ULL); + + return remap_pfn_range(vma, from, phys_base >> PAGE_SHIFT, size, prot); +} + #define __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS #define ptep_set_access_flags(__vma, __address, __ptep, __entry, __dirty) \ ({ \ diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h index adf8932..38ebb2c 100644 --- a/arch/sparc/include/asm/pgtable_64.h +++ b/arch/sparc/include/asm/pgtable_64.h @@ -757,10 +757,6 @@ static inline bool kern_addr_valid(unsigned long addr) extern int page_in_phys_avail(unsigned long paddr); -extern int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from, - unsigned long pfn, - unsigned long size, pgprot_t prot); - /* * For sparc32&64, the pfn in io_remap_pfn_range() carries <iospace> in * its high 4 bits. These macros/functions put it there or get it from there. @@ -769,6 +765,22 @@ extern int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from, #define GET_IOSPACE(pfn) (pfn >> (BITS_PER_LONG - 4)) #define GET_PFN(pfn) (pfn & 0x0fffffffffffffffUL) +extern int remap_pfn_range(struct vm_area_struct *, unsigned long, unsigned long, + unsigned long, pgprot_t); + +static inline int io_remap_pfn_range(struct vm_area_struct *vma, + unsigned long from, unsigned long pfn, + unsigned long size, pgprot_t prot) +{ + unsigned long offset = GET_PFN(pfn) << PAGE_SHIFT; + int space = GET_IOSPACE(pfn); + unsigned long phys_base; + + phys_base = offset | (((unsigned long) space) << 32UL); + + return remap_pfn_range(vma, from, phys_base >> PAGE_SHIFT, size, prot); +} + #include <asm-generic/pgtable.h> /* We provide our own get_unmapped_area to cope with VA holes and diff --git a/arch/sparc/kernel/ds.c b/arch/sparc/kernel/ds.c index 7429b47..381edcd 100644 --- a/arch/sparc/kernel/ds.c +++ b/arch/sparc/kernel/ds.c @@ -1181,13 +1181,11 @@ static int __devinit ds_probe(struct vio_dev *vdev, dp->rcv_buf_len = 4096; - dp->ds_states = kzalloc(sizeof(ds_states_template), - GFP_KERNEL); + dp->ds_states = kmemdup(ds_states_template, + sizeof(ds_states_template), GFP_KERNEL); if (!dp->ds_states) goto out_free_rcv_buf; - memcpy(dp->ds_states, ds_states_template, - sizeof(ds_states_template)); dp->num_ds_states = ARRAY_SIZE(ds_states_template); for (i = 0; i < dp->num_ds_states; i++) diff --git a/arch/sparc/kernel/entry.h b/arch/sparc/kernel/entry.h index e27f8ea..0c218e4 100644 --- a/arch/sparc/kernel/entry.h +++ b/arch/sparc/kernel/entry.h @@ -42,6 +42,9 @@ extern void fpsave(unsigned long *fpregs, unsigned long *fsr, extern void fpload(unsigned long *fpregs, unsigned long *fsr); #else /* CONFIG_SPARC32 */ + +#include <asm/trap_block.h> + struct popc_3insn_patch_entry { unsigned int addr; unsigned int insns[3]; @@ -57,6 +60,10 @@ extern struct popc_6insn_patch_entry __popc_6insn_patch, __popc_6insn_patch_end; extern void __init per_cpu_patch(void); +extern void sun4v_patch_1insn_range(struct sun4v_1insn_patch_entry *, + struct sun4v_1insn_patch_entry *); +extern void sun4v_patch_2insn_range(struct sun4v_2insn_patch_entry *, + struct sun4v_2insn_patch_entry *); extern void __init sun4v_patch(void); extern void __init boot_cpu_id_too_large(int cpu); extern unsigned int dcache_parity_tl1_occurred; diff --git a/arch/sparc/kernel/module.c b/arch/sparc/kernel/module.c index da0c6c7..e551987 100644 --- a/arch/sparc/kernel/module.c +++ b/arch/sparc/kernel/module.c @@ -17,6 +17,8 @@ #include <asm/processor.h> #include <asm/spitfire.h> +#include "entry.h" + #ifdef CONFIG_SPARC64 #include <linux/jump_label.h> @@ -203,6 +205,29 @@ int apply_relocate_add(Elf_Shdr *sechdrs, } #ifdef CONFIG_SPARC64 +static void do_patch_sections(const Elf_Ehdr *hdr, + const Elf_Shdr *sechdrs) +{ + const Elf_Shdr *s, *sun4v_1insn = NULL, *sun4v_2insn = NULL; + char *secstrings = (void *)hdr + sechdrs[hdr->e_shstrndx].sh_offset; + + for (s = sechdrs; s < sechdrs + hdr->e_shnum; s++) { + if (!strcmp(".sun4v_1insn_patch", secstrings + s->sh_name)) + sun4v_1insn = s; + if (!strcmp(".sun4v_2insn_patch", secstrings + s->sh_name)) + sun4v_2insn = s; + } + + if (sun4v_1insn && tlb_type == hypervisor) { + void *p = (void *) sun4v_1insn->sh_addr; + sun4v_patch_1insn_range(p, p + sun4v_1insn->sh_size); + } + if (sun4v_2insn && tlb_type == hypervisor) { + void *p = (void *) sun4v_2insn->sh_addr; + sun4v_patch_2insn_range(p, p + sun4v_2insn->sh_size); + } +} + int module_finalize(const Elf_Ehdr *hdr, const Elf_Shdr *sechdrs, struct module *me) @@ -210,6 +235,8 @@ int module_finalize(const Elf_Ehdr *hdr, /* make jump label nops */ jump_label_apply_nops(me); + do_patch_sections(hdr, sechdrs); + /* Cheetah's I-cache is fully coherent. */ if (tlb_type == spitfire) { unsigned long va; diff --git a/arch/sparc/kernel/prom_common.c b/arch/sparc/kernel/prom_common.c index 4661480..741df91 100644 --- a/arch/sparc/kernel/prom_common.c +++ b/arch/sparc/kernel/prom_common.c @@ -58,12 +58,10 @@ int of_set_property(struct device_node *dp, const char *name, void *val, int len void *new_val; int err; - new_val = kmalloc(len, GFP_KERNEL); + new_val = kmemdup(val, len, GFP_KERNEL); if (!new_val) return -ENOMEM; - memcpy(new_val, val, len); - err = -ENODEV; mutex_lock(&of_set_property_mutex); diff --git a/arch/sparc/kernel/setup_64.c b/arch/sparc/kernel/setup_64.c index c965595a..a854a1c 100644 --- a/arch/sparc/kernel/setup_64.c +++ b/arch/sparc/kernel/setup_64.c @@ -234,40 +234,50 @@ void __init per_cpu_patch(void) } } -void __init sun4v_patch(void) +void sun4v_patch_1insn_range(struct sun4v_1insn_patch_entry *start, + struct sun4v_1insn_patch_entry *end) { - extern void sun4v_hvapi_init(void); - struct sun4v_1insn_patch_entry *p1; - struct sun4v_2insn_patch_entry *p2; - - if (tlb_type != hypervisor) - return; + while (start < end) { + unsigned long addr = start->addr; - p1 = &__sun4v_1insn_patch; - while (p1 < &__sun4v_1insn_patch_end) { - unsigned long addr = p1->addr; - - *(unsigned int *) (addr + 0) = p1->insn; + *(unsigned int *) (addr + 0) = start->insn; wmb(); __asm__ __volatile__("flush %0" : : "r" (addr + 0)); - p1++; + start++; } +} - p2 = &__sun4v_2insn_patch; - while (p2 < &__sun4v_2insn_patch_end) { - unsigned long addr = p2->addr; +void sun4v_patch_2insn_range(struct sun4v_2insn_patch_entry *start, + struct sun4v_2insn_patch_entry *end) +{ + while (start < end) { + unsigned long addr = start->addr; - *(unsigned int *) (addr + 0) = p2->insns[0]; + *(unsigned int *) (addr + 0) = start->insns[0]; wmb(); __asm__ __volatile__("flush %0" : : "r" (addr + 0)); - *(unsigned int *) (addr + 4) = p2->insns[1]; + *(unsigned int *) (addr + 4) = start->insns[1]; wmb(); __asm__ __volatile__("flush %0" : : "r" (addr + 4)); - p2++; + start++; } +} + +void __init sun4v_patch(void) +{ + extern void sun4v_hvapi_init(void); + + if (tlb_type != hypervisor) + return; + + sun4v_patch_1insn_range(&__sun4v_1insn_patch, + &__sun4v_1insn_patch_end); + + sun4v_patch_2insn_range(&__sun4v_2insn_patch, + &__sun4v_2insn_patch_end); sun4v_hvapi_init(); } diff --git a/arch/sparc/kernel/signal32.c b/arch/sparc/kernel/signal32.c index 2caa556..023b886 100644 --- a/arch/sparc/kernel/signal32.c +++ b/arch/sparc/kernel/signal32.c @@ -822,21 +822,23 @@ static inline void syscall_restart32(unsigned long orig_i0, struct pt_regs *regs * want to handle. Thus you cannot kill init even with a SIGKILL even by * mistake. */ -void do_signal32(sigset_t *oldset, struct pt_regs * regs, - int restart_syscall, unsigned long orig_i0) +void do_signal32(sigset_t *oldset, struct pt_regs * regs) { struct k_sigaction ka; + unsigned long orig_i0; + int restart_syscall; siginfo_t info; int signr; signr = get_signal_to_deliver(&info, &ka, regs, NULL); - /* If the debugger messes with the program counter, it clears - * the "in syscall" bit, directing us to not perform a syscall - * restart. - */ - if (restart_syscall && !pt_regs_is_syscall(regs)) - restart_syscall = 0; + restart_syscall = 0; + orig_i0 = 0; + if (pt_regs_is_syscall(regs) && + (regs->tstate & (TSTATE_XCARRY | TSTATE_ICARRY))) { + restart_syscall = 1; + orig_i0 = regs->u_regs[UREG_G6]; + } if (signr > 0) { if (restart_syscall) diff --git a/arch/sparc/kernel/signal_32.c b/arch/sparc/kernel/signal_32.c index 8ce247a..d54c6e5 100644 --- a/arch/sparc/kernel/signal_32.c +++ b/arch/sparc/kernel/signal_32.c @@ -519,10 +519,26 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0) siginfo_t info; int signr; + /* It's a lot of work and synchronization to add a new ptrace + * register for GDB to save and restore in order to get + * orig_i0 correct for syscall restarts when debugging. + * + * Although it should be the case that most of the global + * registers are volatile across a system call, glibc already + * depends upon that fact that we preserve them. So we can't + * just use any global register to save away the orig_i0 value. + * + * In particular %g2, %g3, %g4, and %g5 are all assumed to be + * preserved across a system call trap by various pieces of + * code in glibc. + * + * %g7 is used as the "thread register". %g6 is not used in + * any fixed manner. %g6 is used as a scratch register and + * a compiler temporary, but it's value is never used across + * a system call. Therefore %g6 is usable for orig_i0 storage. + */ if (pt_regs_is_syscall(regs) && (regs->psr & PSR_C)) - restart_syscall = 1; - else - restart_syscall = 0; + regs->u_regs[UREG_G6] = orig_i0; if (test_thread_flag(TIF_RESTORE_SIGMASK)) oldset = ¤t->saved_sigmask; @@ -535,8 +551,12 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0) * the software "in syscall" bit, directing us to not perform * a syscall restart. */ - if (restart_syscall && !pt_regs_is_syscall(regs)) - restart_syscall = 0; + restart_syscall = 0; + if (pt_regs_is_syscall(regs) && (regs->psr & PSR_C)) { + restart_syscall = 1; + orig_i0 = regs->u_regs[UREG_G6]; + } + if (signr > 0) { if (restart_syscall) diff --git a/arch/sparc/kernel/signal_64.c b/arch/sparc/kernel/signal_64.c index a2b8159..f0836cd 100644 --- a/arch/sparc/kernel/signal_64.c +++ b/arch/sparc/kernel/signal_64.c @@ -529,11 +529,27 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0) siginfo_t info; int signr; + /* It's a lot of work and synchronization to add a new ptrace + * register for GDB to save and restore in order to get + * orig_i0 correct for syscall restarts when debugging. + * + * Although it should be the case that most of the global + * registers are volatile across a system call, glibc already + * depends upon that fact that we preserve them. So we can't + * just use any global register to save away the orig_i0 value. + * + * In particular %g2, %g3, %g4, and %g5 are all assumed to be + * preserved across a system call trap by various pieces of + * code in glibc. + * + * %g7 is used as the "thread register". %g6 is not used in + * any fixed manner. %g6 is used as a scratch register and + * a compiler temporary, but it's value is never used across + * a system call. Therefore %g6 is usable for orig_i0 storage. + */ if (pt_regs_is_syscall(regs) && - (regs->tstate & (TSTATE_XCARRY | TSTATE_ICARRY))) { - restart_syscall = 1; - } else - restart_syscall = 0; + (regs->tstate & (TSTATE_XCARRY | TSTATE_ICARRY))) + regs->u_regs[UREG_G6] = orig_i0; if (current_thread_info()->status & TS_RESTORE_SIGMASK) oldset = ¤t->saved_sigmask; @@ -542,22 +558,20 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0) #ifdef CONFIG_COMPAT if (test_thread_flag(TIF_32BIT)) { - extern void do_signal32(sigset_t *, struct pt_regs *, - int restart_syscall, - unsigned long orig_i0); - do_signal32(oldset, regs, restart_syscall, orig_i0); + extern void do_signal32(sigset_t *, struct pt_regs *); + do_signal32(oldset, regs); return; } #endif signr = get_signal_to_deliver(&info, &ka, regs, NULL); - /* If the debugger messes with the program counter, it clears - * the software "in syscall" bit, directing us to not perform - * a syscall restart. - */ - if (restart_syscall && !pt_regs_is_syscall(regs)) - restart_syscall = 0; + restart_syscall = 0; + if (pt_regs_is_syscall(regs) && + (regs->tstate & (TSTATE_XCARRY | TSTATE_ICARRY))) { + restart_syscall = 1; + orig_i0 = regs->u_regs[UREG_G6]; + } if (signr > 0) { if (restart_syscall) diff --git a/arch/sparc/kernel/sigutil_64.c b/arch/sparc/kernel/sigutil_64.c index e7dc508..b19570d 100644 --- a/arch/sparc/kernel/sigutil_64.c +++ b/arch/sparc/kernel/sigutil_64.c @@ -2,6 +2,7 @@ #include <linux/types.h> #include <linux/thread_info.h> #include <linux/uaccess.h> +#include <linux/errno.h> #include <asm/sigcontext.h> #include <asm/fpumacro.h> diff --git a/arch/sparc/mm/Makefile b/arch/sparc/mm/Makefile index e3cda21..301421c 100644 --- a/arch/sparc/mm/Makefile +++ b/arch/sparc/mm/Makefile @@ -8,7 +8,6 @@ obj-$(CONFIG_SPARC64) += ultra.o tlb.o tsb.o gup.o obj-y += fault_$(BITS).o obj-y += init_$(BITS).o obj-$(CONFIG_SPARC32) += loadmmu.o -obj-y += generic_$(BITS).o obj-$(CONFIG_SPARC32) += extable.o btfixup.o srmmu.o iommu.o io-unit.o obj-$(CONFIG_SPARC32) += hypersparc.o viking.o tsunami.o swift.o obj-$(CONFIG_SPARC_LEON)+= leon_mm.o diff --git a/arch/sparc/mm/btfixup.c b/arch/sparc/mm/btfixup.c index 5175ac2..8a7f817 100644 --- a/arch/sparc/mm/btfixup.c +++ b/arch/sparc/mm/btfixup.c @@ -302,8 +302,7 @@ void __init btfixup(void) case 'i': /* INT */ if ((insn & 0xc1c00000) == 0x01000000) /* %HI */ set_addr(addr, q[1], fmangled, (insn & 0xffc00000) | (p[1] >> 10)); - else if ((insn & 0x80002000) == 0x80002000 && - (insn & 0x01800000) != 0x01800000) /* %LO */ + else if ((insn & 0x80002000) == 0x80002000) /* %LO */ set_addr(addr, q[1], fmangled, (insn & 0xffffe000) | (p[1] & 0x3ff)); else { prom_printf(insn_i, p, addr, insn); diff --git a/arch/sparc/mm/generic_32.c b/arch/sparc/mm/generic_32.c deleted file mode 100644 index 6ca39a6..0000000 --- a/arch/sparc/mm/generic_32.c +++ /dev/null @@ -1,99 +0,0 @@ -/* - * generic.c: Generic Sparc mm routines that are not dependent upon - * MMU type but are Sparc specific. - * - * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu) - */ - -#include <linux/kernel.h> -#include <linux/mm.h> -#include <linux/swap.h> -#include <linux/pagemap.h> -#include <linux/export.h> - -#include <asm/pgalloc.h> -#include <asm/pgtable.h> -#include <asm/page.h> -#include <asm/cacheflush.h> -#include <asm/tlbflush.h> - -/* Remap IO memory, the same way as remap_pfn_range(), but use - * the obio memory space. - * - * They use a pgprot that sets PAGE_IO and does not check the - * mem_map table as this is independent of normal memory. - */ -static inline void io_remap_pte_range(struct mm_struct *mm, pte_t * pte, unsigned long address, unsigned long size, - unsigned long offset, pgprot_t prot, int space) -{ - unsigned long end; - - address &= ~PMD_MASK; - end = address + size; - if (end > PMD_SIZE) - end = PMD_SIZE; - do { - set_pte_at(mm, address, pte, mk_pte_io(offset, prot, space)); - address += PAGE_SIZE; - offset += PAGE_SIZE; - pte++; - } while (address < end); -} - -static inline int io_remap_pmd_range(struct mm_struct *mm, pmd_t * pmd, unsigned long address, unsigned long size, - unsigned long offset, pgprot_t prot, int space) -{ - unsigned long end; - - address &= ~PGDIR_MASK; - end = address + size; - if (end > PGDIR_SIZE) - end = PGDIR_SIZE; - offset -= address; - do { - pte_t *pte = pte_alloc_map(mm, NULL, pmd, address); - if (!pte) - return -ENOMEM; - io_remap_pte_range(mm, pte, address, end - address, address + offset, prot, space); - address = (address + PMD_SIZE) & PMD_MASK; - pmd++; - } while (address < end); - return 0; -} - -int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from, - unsigned long pfn, unsigned long size, pgprot_t prot) -{ - int error = 0; - pgd_t * dir; - unsigned long beg = from; - unsigned long end = from + size; - struct mm_struct *mm = vma->vm_mm; - int space = GET_IOSPACE(pfn); - unsigned long offset = GET_PFN(pfn) << PAGE_SHIFT; - - /* See comment in mm/memory.c remap_pfn_range */ - vma->vm_flags |= VM_IO | VM_RESERVED | VM_PFNMAP; - vma->vm_pgoff = (offset >> PAGE_SHIFT) | - ((unsigned long)space << 28UL); - - offset -= from; - dir = pgd_offset(mm, from); - flush_cache_range(vma, beg, end); - - while (from < end) { - pmd_t *pmd = pmd_alloc(mm, dir, from); - error = -ENOMEM; - if (!pmd) - break; - error = io_remap_pmd_range(mm, pmd, from, end - from, offset + from, prot, space); - if (error) - break; - from = (from + PGDIR_SIZE) & PGDIR_MASK; - dir++; - } - - flush_tlb_range(vma, beg, end); - return error; -} -EXPORT_SYMBOL(io_remap_pfn_range); diff --git a/arch/sparc/mm/generic_64.c b/arch/sparc/mm/generic_64.c deleted file mode 100644 index 9b357dd..0000000 --- a/arch/sparc/mm/generic_64.c +++ /dev/null @@ -1,165 +0,0 @@ -/* - * generic.c: Generic Sparc mm routines that are not dependent upon - * MMU type but are Sparc specific. - * - * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu) - */ - -#include <linux/kernel.h> -#include <linux/mm.h> -#include <linux/swap.h> -#include <linux/export.h> -#include <linux/pagemap.h> - -#include <asm/pgalloc.h> -#include <asm/pgtable.h> -#include <asm/page.h> -#include <asm/tlbflush.h> - -/* Remap IO memory, the same way as remap_pfn_range(), but use - * the obio memory space. - * - * They use a pgprot that sets PAGE_IO and does not check the - * mem_map table as this is independent of normal memory. - */ -static inline void io_remap_pte_range(struct mm_struct *mm, pte_t * pte, - unsigned long address, - unsigned long size, - unsigned long offset, pgprot_t prot, - int space) -{ - unsigned long end; - - /* clear hack bit that was used as a write_combine side-effect flag */ - offset &= ~0x1UL; - address &= ~PMD_MASK; - end = address + size; - if (end > PMD_SIZE) - end = PMD_SIZE; - do { - pte_t entry; - unsigned long curend = address + PAGE_SIZE; - - entry = mk_pte_io(offset, prot, space, PAGE_SIZE); - if (!(address & 0xffff)) { - if (PAGE_SIZE < (4 * 1024 * 1024) && - !(address & 0x3fffff) && - !(offset & 0x3ffffe) && - end >= address + 0x400000) { - entry = mk_pte_io(offset, prot, space, - 4 * 1024 * 1024); - curend = address + 0x400000; - offset += 0x400000; - } else if (PAGE_SIZE < (512 * 1024) && - !(address & 0x7ffff) && - !(offset & 0x7fffe) && - end >= address + 0x80000) { - entry = mk_pte_io(offset, prot, space, - 512 * 1024 * 1024); - curend = address + 0x80000; - offset += 0x80000; - } else if (PAGE_SIZE < (64 * 1024) && - !(offset & 0xfffe) && - end >= address + 0x10000) { - entry = mk_pte_io(offset, prot, space, - 64 * 1024); - curend = address + 0x10000; - offset += 0x10000; - } else - offset += PAGE_SIZE; - } else - offset += PAGE_SIZE; - - if (pte_write(entry)) - entry = pte_mkdirty(entry); - do { - BUG_ON(!pte_none(*pte)); - set_pte_at(mm, address, pte, entry); - address += PAGE_SIZE; - pte_val(entry) += PAGE_SIZE; - pte++; - } while (address < curend); - } while (address < end); -} - -static inline int io_remap_pmd_range(struct mm_struct *mm, pmd_t * pmd, unsigned long address, unsigned long size, - unsigned long offset, pgprot_t prot, int space) -{ - unsigned long end; - - address &= ~PGDIR_MASK; - end = address + size; - if (end > PGDIR_SIZE) - end = PGDIR_SIZE; - offset -= address; - do { - pte_t *pte = pte_alloc_map(mm, NULL, pmd, address); - if (!pte) - return -ENOMEM; - io_remap_pte_range(mm, pte, address, end - address, address + offset, prot, space); - pte_unmap(pte); - address = (address + PMD_SIZE) & PMD_MASK; - pmd++; - } while (address < end); - return 0; -} - -static inline int io_remap_pud_range(struct mm_struct *mm, pud_t * pud, unsigned long address, unsigned long size, - unsigned long offset, pgprot_t prot, int space) -{ - unsigned long end; - - address &= ~PUD_MASK; - end = address + size; - if (end > PUD_SIZE) - end = PUD_SIZE; - offset -= address; - do { - pmd_t *pmd = pmd_alloc(mm, pud, address); - if (!pud) - return -ENOMEM; - io_remap_pmd_range(mm, pmd, address, end - address, address + offset, prot, space); - address = (address + PUD_SIZE) & PUD_MASK; - pud++; - } while (address < end); - return 0; -} - -int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from, - unsigned long pfn, unsigned long size, pgprot_t prot) -{ - int error = 0; - pgd_t * dir; - unsigned long beg = from; - unsigned long end = from + size; - struct mm_struct *mm = vma->vm_mm; - int space = GET_IOSPACE(pfn); - unsigned long offset = GET_PFN(pfn) << PAGE_SHIFT; - unsigned long phys_base; - - phys_base = offset | (((unsigned long) space) << 32UL); - - /* See comment in mm/memory.c remap_pfn_range */ - vma->vm_flags |= VM_IO | VM_RESERVED | VM_PFNMAP; - vma->vm_pgoff = phys_base >> PAGE_SHIFT; - - offset -= from; - dir = pgd_offset(mm, from); - flush_cache_range(vma, beg, end); - - while (from < end) { - pud_t *pud = pud_alloc(mm, dir, from); - error = -ENOMEM; - if (!pud) - break; - error = io_remap_pud_range(mm, pud, from, end - from, offset + from, prot, space); - if (error) - break; - from = (from + PGDIR_SIZE) & PGDIR_MASK; - dir++; - } - - flush_tlb_range(vma, beg, end); - return error; -} -EXPORT_SYMBOL(io_remap_pfn_range); diff --git a/arch/tile/include/asm/irq.h b/arch/tile/include/asm/irq.h index 94e9a51..f80f8ce 100644 --- a/arch/tile/include/asm/irq.h +++ b/arch/tile/include/asm/irq.h @@ -74,16 +74,6 @@ enum { */ void tile_irq_activate(unsigned int irq, int tile_irq_type); -/* - * For onboard, non-PCI (e.g. TILE_IRQ_PERCPU) devices, drivers know - * how to use enable/disable_percpu_irq() to manage interrupts on each - * core. We can't use the generic enable/disable_irq() because they - * use a single reference count per irq, rather than per cpu per irq. - */ -void enable_percpu_irq(unsigned int irq); -void disable_percpu_irq(unsigned int irq); - - void setup_irq_regs(void); #endif /* _ASM_TILE_IRQ_H */ diff --git a/arch/tile/kernel/irq.c b/arch/tile/kernel/irq.c index aa0134d..02e6280 100644 --- a/arch/tile/kernel/irq.c +++ b/arch/tile/kernel/irq.c @@ -152,14 +152,13 @@ void tile_dev_intr(struct pt_regs *regs, int intnum) * Remove an irq from the disabled mask. If we're in an interrupt * context, defer enabling the HW interrupt until we leave. */ -void enable_percpu_irq(unsigned int irq) +static void tile_irq_chip_enable(struct irq_data *d) { - get_cpu_var(irq_disable_mask) &= ~(1UL << irq); + get_cpu_var(irq_disable_mask) &= ~(1UL << d->irq); if (__get_cpu_var(irq_depth) == 0) - unmask_irqs(1UL << irq); + unmask_irqs(1UL << d->irq); put_cpu_var(irq_disable_mask); } -EXPORT_SYMBOL(enable_percpu_irq); /* * Add an irq to the disabled mask. We disable the HW interrupt @@ -167,13 +166,12 @@ EXPORT_SYMBOL(enable_percpu_irq); * in an interrupt context, the return path is careful to avoid * unmasking a newly disabled interrupt. */ -void disable_percpu_irq(unsigned int irq) +static void tile_irq_chip_disable(struct irq_data *d) { - get_cpu_var(irq_disable_mask) |= (1UL << irq); - mask_irqs(1UL << irq); + get_cpu_var(irq_disable_mask) |= (1UL << d->irq); + mask_irqs(1UL << d->irq); put_cpu_var(irq_disable_mask); } -EXPORT_SYMBOL(disable_percpu_irq); /* Mask an interrupt. */ static void tile_irq_chip_mask(struct irq_data *d) @@ -209,6 +207,8 @@ static void tile_irq_chip_eoi(struct irq_data *d) static struct irq_chip tile_irq_chip = { .name = "tile_irq_chip", + .irq_enable = tile_irq_chip_enable, + .irq_disable = tile_irq_chip_disable, .irq_ack = tile_irq_chip_ack, .irq_eoi = tile_irq_chip_eoi, .irq_mask = tile_irq_chip_mask, diff --git a/arch/tile/kernel/pci-dma.c b/arch/tile/kernel/pci-dma.c index 658f2ce..b3ed19f 100644 --- a/arch/tile/kernel/pci-dma.c +++ b/arch/tile/kernel/pci-dma.c @@ -15,6 +15,7 @@ #include <linux/mm.h> #include <linux/dma-mapping.h> #include <linux/vmalloc.h> +#include <linux/export.h> #include <asm/tlbflush.h> #include <asm/homecache.h> diff --git a/arch/tile/kernel/pci.c b/arch/tile/kernel/pci.c index 2a8014c..9d610d3 100644 --- a/arch/tile/kernel/pci.c +++ b/arch/tile/kernel/pci.c @@ -24,6 +24,7 @@ #include <linux/irq.h> #include <linux/io.h> #include <linux/uaccess.h> +#include <linux/export.h> #include <asm/processor.h> #include <asm/sections.h> diff --git a/arch/tile/kernel/sysfs.c b/arch/tile/kernel/sysfs.c index b671a86..6029082 100644 --- a/arch/tile/kernel/sysfs.c +++ b/arch/tile/kernel/sysfs.c @@ -18,6 +18,7 @@ #include <linux/cpu.h> #include <linux/slab.h> #include <linux/smp.h> +#include <linux/stat.h> #include <hv/hypervisor.h> /* Return a string queried from the hypervisor, truncated to page size. */ diff --git a/arch/tile/lib/exports.c b/arch/tile/lib/exports.c index a87d2a8..2a81d32 100644 --- a/arch/tile/lib/exports.c +++ b/arch/tile/lib/exports.c @@ -39,6 +39,9 @@ EXPORT_SYMBOL(finv_user_asm); EXPORT_SYMBOL(current_text_addr); EXPORT_SYMBOL(dump_stack); +/* arch/tile/kernel/head.S */ +EXPORT_SYMBOL(empty_zero_page); + /* arch/tile/lib/, various memcpy files */ EXPORT_SYMBOL(memcpy); EXPORT_SYMBOL(__copy_to_user_inatomic); diff --git a/arch/tile/mm/homecache.c b/arch/tile/mm/homecache.c index cbe6f4f..1cc6ae4 100644 --- a/arch/tile/mm/homecache.c +++ b/arch/tile/mm/homecache.c @@ -449,9 +449,12 @@ void homecache_free_pages(unsigned long addr, unsigned int order) VM_BUG_ON(!virt_addr_valid((void *)addr)); page = virt_to_page((void *)addr); if (put_page_testzero(page)) { - int pages = (1 << order); homecache_change_page_home(page, order, initial_page_home()); - while (pages--) - __free_page(page++); + if (order == 0) { + free_hot_cold_page(page, 0); + } else { + init_page_count(page); + __free_pages(page, order); + } } } diff --git a/arch/unicore32/Kconfig b/arch/unicore32/Kconfig index e57dcce..942ed61 100644 --- a/arch/unicore32/Kconfig +++ b/arch/unicore32/Kconfig @@ -237,13 +237,13 @@ menu "PKUnity NetBook-0916 Features" config I2C_BATTERY_BQ27200 tristate "I2C Battery BQ27200 Support" - select PUV3_I2C + select I2C_PUV3 select POWER_SUPPLY select BATTERY_BQ27x00 config I2C_EEPROM_AT24 tristate "I2C EEPROMs AT24 support" - select PUV3_I2C + select I2C_PUV3 select MISC_DEVICES select EEPROM_AT24 diff --git a/arch/unicore32/Kconfig.debug b/arch/unicore32/Kconfig.debug index ae2ec33..1a36262 100644 --- a/arch/unicore32/Kconfig.debug +++ b/arch/unicore32/Kconfig.debug @@ -44,18 +44,4 @@ config DEBUG_OCD Say Y here if you want the debug print routines to direct their output to the UniCore On-Chip-Debugger channel using CP #1. -config DEBUG_OCD_BREAKPOINT - bool "Breakpoint support via On-Chip-Debugger" - depends on DEBUG_OCD - -config DEBUG_UART - int "Kernel low-level debugging messages via serial port" - depends on DEBUG_LL - range 0 1 - default "0" - help - Choice for UART for kernel low-level using PKUnity UARTS, - should be between zero and one. The port must have been - initialised by the boot-loader before use. - endmenu diff --git a/arch/unicore32/boot/compressed/Makefile b/arch/unicore32/boot/compressed/Makefile index b0954a2..950a9af 100644 --- a/arch/unicore32/boot/compressed/Makefile +++ b/arch/unicore32/boot/compressed/Makefile @@ -10,8 +10,8 @@ # Copyright (C) 2001~2010 GUAN Xue-tao # -EXTRA_CFLAGS := -fpic -fno-builtin -EXTRA_AFLAGS := -Wa,-march=all +ccflags-y := -fpic -fno-builtin +asflags-y := -Wa,-march=all OBJS := misc.o diff --git a/arch/unicore32/include/asm/bitops.h b/arch/unicore32/include/asm/bitops.h index 1628a63..401f597 100644 --- a/arch/unicore32/include/asm/bitops.h +++ b/arch/unicore32/include/asm/bitops.h @@ -13,12 +13,6 @@ #ifndef __UNICORE_BITOPS_H__ #define __UNICORE_BITOPS_H__ -#define find_next_bit __uc32_find_next_bit -#define find_next_zero_bit __uc32_find_next_zero_bit - -#define find_first_bit __uc32_find_first_bit -#define find_first_zero_bit __uc32_find_first_zero_bit - #define _ASM_GENERIC_BITOPS_FLS_H_ #define _ASM_GENERIC_BITOPS___FLS_H_ #define _ASM_GENERIC_BITOPS_FFS_H_ @@ -44,4 +38,10 @@ static inline int fls(int x) #include <asm-generic/bitops.h> +/* following definitions: to avoid using codes in lib/find_*.c */ +#define find_next_bit find_next_bit +#define find_next_zero_bit find_next_zero_bit +#define find_first_bit find_first_bit +#define find_first_zero_bit find_first_zero_bit + #endif /* __UNICORE_BITOPS_H__ */ diff --git a/arch/unicore32/include/asm/processor.h b/arch/unicore32/include/asm/processor.h index e11cb07..f0d780a 100644 --- a/arch/unicore32/include/asm/processor.h +++ b/arch/unicore32/include/asm/processor.h @@ -53,7 +53,6 @@ struct thread_struct { #define start_thread(regs, pc, sp) \ ({ \ unsigned long *stack = (unsigned long *)sp; \ - set_fs(USER_DS); \ memset(regs->uregs, 0, sizeof(regs->uregs)); \ regs->UCreg_asr = USER_MODE; \ regs->UCreg_pc = pc & ~1; /* pc */ \ diff --git a/arch/unicore32/kernel/ksyms.c b/arch/unicore32/kernel/ksyms.c index a897080..d98bd81 100644 --- a/arch/unicore32/kernel/ksyms.c +++ b/arch/unicore32/kernel/ksyms.c @@ -24,8 +24,8 @@ #include "ksyms.h" -EXPORT_SYMBOL(__uc32_find_next_zero_bit); -EXPORT_SYMBOL(__uc32_find_next_bit); +EXPORT_SYMBOL(find_next_zero_bit); +EXPORT_SYMBOL(find_next_bit); EXPORT_SYMBOL(__backtrace); diff --git a/arch/unicore32/lib/findbit.S b/arch/unicore32/lib/findbit.S index c360ce9..c777462 100644 --- a/arch/unicore32/lib/findbit.S +++ b/arch/unicore32/lib/findbit.S @@ -17,7 +17,7 @@ * Purpose : Find a 'zero' bit * Prototype: int find_first_zero_bit(void *addr, unsigned int maxbit); */ -__uc32_find_first_zero_bit: +ENTRY(find_first_zero_bit) cxor.a r1, #0 beq 3f mov r2, #0 @@ -29,13 +29,14 @@ __uc32_find_first_zero_bit: bub 1b 3: mov r0, r1 @ no free bits mov pc, lr +ENDPROC(find_first_zero_bit) /* * Purpose : Find next 'zero' bit * Prototype: int find_next_zero_bit * (void *addr, unsigned int maxbit, int offset) */ -ENTRY(__uc32_find_next_zero_bit) +ENTRY(find_next_zero_bit) cxor.a r1, #0 beq 3b and.a ip, r2, #7 @@ -47,14 +48,14 @@ ENTRY(__uc32_find_next_zero_bit) or r2, r2, #7 @ if zero, then no bits here add r2, r2, #1 @ align bit pointer b 2b @ loop for next bit -ENDPROC(__uc32_find_next_zero_bit) +ENDPROC(find_next_zero_bit) /* * Purpose : Find a 'one' bit * Prototype: int find_first_bit * (const unsigned long *addr, unsigned int maxbit); */ -__uc32_find_first_bit: +ENTRY(find_first_bit) cxor.a r1, #0 beq 3f mov r2, #0 @@ -66,13 +67,14 @@ __uc32_find_first_bit: bub 1b 3: mov r0, r1 @ no free bits mov pc, lr +ENDPROC(find_first_bit) /* * Purpose : Find next 'one' bit * Prototype: int find_next_zero_bit * (void *addr, unsigned int maxbit, int offset) */ -ENTRY(__uc32_find_next_bit) +ENTRY(find_next_bit) cxor.a r1, #0 beq 3b and.a ip, r2, #7 @@ -83,7 +85,7 @@ ENTRY(__uc32_find_next_bit) or r2, r2, #7 @ if zero, then no bits here add r2, r2, #1 @ align bit pointer b 2b @ loop for next bit -ENDPROC(__uc32_find_next_bit) +ENDPROC(find_next_bit) /* * One or more bits in the LSB of r3 are assumed to be set. diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index cb9a104..efb4294 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -390,7 +390,7 @@ config X86_INTEL_CE This option compiles in support for the CE4100 SOC for settop boxes and media devices. -config X86_INTEL_MID +config X86_WANT_INTEL_MID bool "Intel MID platform support" depends on X86_32 depends on X86_EXTENDED_PLATFORM @@ -399,7 +399,10 @@ config X86_INTEL_MID systems which do not have the PCI legacy interfaces (Moorestown, Medfield). If you are building for a PC class system say N here. -if X86_INTEL_MID +if X86_WANT_INTEL_MID + +config X86_INTEL_MID + bool config X86_MRST bool "Moorestown MID platform" @@ -411,6 +414,7 @@ config X86_MRST select SPI select INTEL_SCU_IPC select X86_PLATFORM_DEVICES + select X86_INTEL_MID ---help--- Moorestown is Intel's Low Power Intel Architecture (LPIA) based Moblin Internet Device(MID) platform. Moorestown consists of two chips: diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h index 9b7273c..1a6c09a 100644 --- a/arch/x86/include/asm/apic.h +++ b/arch/x86/include/asm/apic.h @@ -49,6 +49,7 @@ extern unsigned int apic_verbosity; extern int local_apic_timer_c2_ok; extern int disable_apic; +extern unsigned int lapic_timer_frequency; #ifdef CONFIG_SMP extern void __inquire_remote_apic(int apicid); diff --git a/arch/x86/include/asm/intel_scu_ipc.h b/arch/x86/include/asm/intel_scu_ipc.h index 4420993..925b605 100644 --- a/arch/x86/include/asm/intel_scu_ipc.h +++ b/arch/x86/include/asm/intel_scu_ipc.h @@ -3,11 +3,15 @@ #include <linux/notifier.h> -#define IPCMSG_VRTC 0xFA /* Set vRTC device */ - -/* Command id associated with message IPCMSG_VRTC */ -#define IPC_CMD_VRTC_SETTIME 1 /* Set time */ -#define IPC_CMD_VRTC_SETALARM 2 /* Set alarm */ +#define IPCMSG_WARM_RESET 0xF0 +#define IPCMSG_COLD_RESET 0xF1 +#define IPCMSG_SOFT_RESET 0xF2 +#define IPCMSG_COLD_BOOT 0xF3 + +#define IPCMSG_VRTC 0xFA /* Set vRTC device */ + /* Command id associated with message IPCMSG_VRTC */ + #define IPC_CMD_VRTC_SETTIME 1 /* Set time */ + #define IPC_CMD_VRTC_SETALARM 2 /* Set alarm */ /* Read single register */ int intel_scu_ipc_ioread8(u16 addr, u8 *data); diff --git a/arch/x86/include/asm/mach_traps.h b/arch/x86/include/asm/mach_traps.h index 72a8b52..a01e7ec7 100644 --- a/arch/x86/include/asm/mach_traps.h +++ b/arch/x86/include/asm/mach_traps.h @@ -17,7 +17,7 @@ #define NMI_REASON_CLEAR_IOCHK 0x08 #define NMI_REASON_CLEAR_MASK 0x0f -static inline unsigned char get_nmi_reason(void) +static inline unsigned char default_get_nmi_reason(void) { return inb(NMI_REASON_PORT); } diff --git a/arch/x86/include/asm/mce.h b/arch/x86/include/asm/mce.h index c9321f3..0e8ae57 100644 --- a/arch/x86/include/asm/mce.h +++ b/arch/x86/include/asm/mce.h @@ -201,7 +201,10 @@ int mce_notify_irq(void); void mce_notify_process(void); DECLARE_PER_CPU(struct mce, injectm); -extern struct file_operations mce_chrdev_ops; + +extern void register_mce_write_callback(ssize_t (*)(struct file *filp, + const char __user *ubuf, + size_t usize, loff_t *off)); /* * Exception handler diff --git a/arch/x86/include/asm/mrst.h b/arch/x86/include/asm/mrst.h index 719f00b..93f7909 100644 --- a/arch/x86/include/asm/mrst.h +++ b/arch/x86/include/asm/mrst.h @@ -31,11 +31,20 @@ enum mrst_cpu_type { }; extern enum mrst_cpu_type __mrst_cpu_chip; + +#ifdef CONFIG_X86_INTEL_MID + static inline enum mrst_cpu_type mrst_identify_cpu(void) { return __mrst_cpu_chip; } +#else /* !CONFIG_X86_INTEL_MID */ + +#define mrst_identify_cpu() (0) + +#endif /* !CONFIG_X86_INTEL_MID */ + enum mrst_timer_options { MRST_TIMER_DEFAULT, MRST_TIMER_APBT_ONLY, @@ -44,6 +53,13 @@ enum mrst_timer_options { extern enum mrst_timer_options mrst_timer_options; +/* + * Penwell uses spread spectrum clock, so the freq number is not exactly + * the same as reported by MSR based on SDM. + */ +#define PENWELL_FSB_FREQ_83SKU 83200 +#define PENWELL_FSB_FREQ_100SKU 99840 + #define SFI_MTMR_MAX_NUM 8 #define SFI_MRTC_MAX 8 diff --git a/arch/x86/include/asm/msr.h b/arch/x86/include/asm/msr.h index 084ef95..95203d4 100644 --- a/arch/x86/include/asm/msr.h +++ b/arch/x86/include/asm/msr.h @@ -169,7 +169,14 @@ static inline int wrmsr_safe(unsigned msr, unsigned low, unsigned high) return native_write_msr_safe(msr, low, high); } -/* rdmsr with exception handling */ +/* + * rdmsr with exception handling. + * + * Please note that the exception handling works only after we've + * switched to the "smart" #GP handler in trap_init() which knows about + * exception tables - using this macro earlier than that causes machine + * hangs on boxes which do not implement the @msr in the first argument. + */ #define rdmsr_safe(msr, p1, p2) \ ({ \ int __err; \ diff --git a/arch/x86/include/asm/system.h b/arch/x86/include/asm/system.h index c2ff2a1..2d2f01c 100644 --- a/arch/x86/include/asm/system.h +++ b/arch/x86/include/asm/system.h @@ -401,6 +401,7 @@ extern unsigned long arch_align_stack(unsigned long sp); extern void free_init_pages(char *what, unsigned long begin, unsigned long end); void default_idle(void); +bool set_pm_idle_to_default(void); void stop_this_cpu(void *dummy); diff --git a/arch/x86/include/asm/timer.h b/arch/x86/include/asm/timer.h index fa7b917..431793e 100644 --- a/arch/x86/include/asm/timer.h +++ b/arch/x86/include/asm/timer.h @@ -32,6 +32,22 @@ extern int no_timer_check; * (mathieu.desnoyers@polymtl.ca) * * -johnstul@us.ibm.com "math is hard, lets go shopping!" + * + * In: + * + * ns = cycles * cyc2ns_scale / SC + * + * Although we may still have enough bits to store the value of ns, + * in some cases, we may not have enough bits to store cycles * cyc2ns_scale, + * leading to an incorrect result. + * + * To avoid this, we can decompose 'cycles' into quotient and remainder + * of division by SC. Then, + * + * ns = (quot * SC + rem) * cyc2ns_scale / SC + * = quot * cyc2ns_scale + (rem * cyc2ns_scale) / SC + * + * - sqazi@google.com */ DECLARE_PER_CPU(unsigned long, cyc2ns); @@ -41,9 +57,14 @@ DECLARE_PER_CPU(unsigned long long, cyc2ns_offset); static inline unsigned long long __cycles_2_ns(unsigned long long cyc) { + unsigned long long quot; + unsigned long long rem; int cpu = smp_processor_id(); unsigned long long ns = per_cpu(cyc2ns_offset, cpu); - ns += cyc * per_cpu(cyc2ns, cpu) >> CYC2NS_SCALE_FACTOR; + quot = (cyc >> CYC2NS_SCALE_FACTOR); + rem = cyc & ((1ULL << CYC2NS_SCALE_FACTOR) - 1); + ns += quot * per_cpu(cyc2ns, cpu) + + ((rem * per_cpu(cyc2ns, cpu)) >> CYC2NS_SCALE_FACTOR); return ns; } diff --git a/arch/x86/include/asm/uv/uv_mmrs.h b/arch/x86/include/asm/uv/uv_mmrs.h index 10474fb..cf1d736 100644 --- a/arch/x86/include/asm/uv/uv_mmrs.h +++ b/arch/x86/include/asm/uv/uv_mmrs.h @@ -57,6 +57,7 @@ #define UV1_HUB_PART_NUMBER 0x88a5 #define UV2_HUB_PART_NUMBER 0x8eb8 +#define UV2_HUB_PART_NUMBER_X 0x1111 /* Compat: if this #define is present, UV headers support UV2 */ #define UV2_HUB_IS_SUPPORTED 1 diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h index d3d8590..1971e65 100644 --- a/arch/x86/include/asm/x86_init.h +++ b/arch/x86/include/asm/x86_init.h @@ -152,6 +152,7 @@ struct x86_cpuinit_ops { /** * struct x86_platform_ops - platform specific runtime functions * @calibrate_tsc: calibrate TSC + * @wallclock_init: init the wallclock device * @get_wallclock: get time from HW clock like RTC etc. * @set_wallclock: set time back to HW clock * @is_untracked_pat_range exclude from PAT logic @@ -160,11 +161,13 @@ struct x86_cpuinit_ops { */ struct x86_platform_ops { unsigned long (*calibrate_tsc)(void); + void (*wallclock_init)(void); unsigned long (*get_wallclock)(void); int (*set_wallclock)(unsigned long nowtime); void (*iommu_shutdown)(void); bool (*is_untracked_pat_range)(u64 start, u64 end); void (*nmi_init)(void); + unsigned char (*get_nmi_reason)(void); int (*i8042_detect)(void); }; diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c index c638228..1f84794 100644 --- a/arch/x86/kernel/alternative.c +++ b/arch/x86/kernel/alternative.c @@ -738,5 +738,5 @@ void __kprobes text_poke_smp_batch(struct text_poke_param *params, int n) atomic_set(&stop_machine_first, 1); wrote_text = 0; - __stop_machine(stop_machine_text_poke, (void *)&tpp, NULL); + __stop_machine(stop_machine_text_poke, (void *)&tpp, cpu_online_mask); } diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index a2fd72e..f98d84c 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -186,7 +186,7 @@ static struct resource lapic_resource = { .flags = IORESOURCE_MEM | IORESOURCE_BUSY, }; -static unsigned int calibration_result; +unsigned int lapic_timer_frequency = 0; static void apic_pm_activate(void); @@ -454,7 +454,7 @@ static void lapic_timer_setup(enum clock_event_mode mode, switch (mode) { case CLOCK_EVT_MODE_PERIODIC: case CLOCK_EVT_MODE_ONESHOT: - __setup_APIC_LVTT(calibration_result, + __setup_APIC_LVTT(lapic_timer_frequency, mode != CLOCK_EVT_MODE_PERIODIC, 1); break; case CLOCK_EVT_MODE_UNUSED: @@ -638,6 +638,25 @@ static int __init calibrate_APIC_clock(void) long delta, deltatsc; int pm_referenced = 0; + /** + * check if lapic timer has already been calibrated by platform + * specific routine, such as tsc calibration code. if so, we just fill + * in the clockevent structure and return. + */ + + if (lapic_timer_frequency) { + apic_printk(APIC_VERBOSE, "lapic timer already calibrated %d\n", + lapic_timer_frequency); + lapic_clockevent.mult = div_sc(lapic_timer_frequency/APIC_DIVISOR, + TICK_NSEC, lapic_clockevent.shift); + lapic_clockevent.max_delta_ns = + clockevent_delta2ns(0x7FFFFF, &lapic_clockevent); + lapic_clockevent.min_delta_ns = + clockevent_delta2ns(0xF, &lapic_clockevent); + lapic_clockevent.features &= ~CLOCK_EVT_FEAT_DUMMY; + return 0; + } + local_irq_disable(); /* Replace the global interrupt handler */ @@ -679,12 +698,12 @@ static int __init calibrate_APIC_clock(void) lapic_clockevent.min_delta_ns = clockevent_delta2ns(0xF, &lapic_clockevent); - calibration_result = (delta * APIC_DIVISOR) / LAPIC_CAL_LOOPS; + lapic_timer_frequency = (delta * APIC_DIVISOR) / LAPIC_CAL_LOOPS; apic_printk(APIC_VERBOSE, "..... delta %ld\n", delta); apic_printk(APIC_VERBOSE, "..... mult: %u\n", lapic_clockevent.mult); apic_printk(APIC_VERBOSE, "..... calibration result: %u\n", - calibration_result); + lapic_timer_frequency); if (cpu_has_tsc) { apic_printk(APIC_VERBOSE, "..... CPU clock speed is " @@ -695,13 +714,13 @@ static int __init calibrate_APIC_clock(void) apic_printk(APIC_VERBOSE, "..... host bus clock speed is " "%u.%04u MHz.\n", - calibration_result / (1000000 / HZ), - calibration_result % (1000000 / HZ)); + lapic_timer_frequency / (1000000 / HZ), + lapic_timer_frequency % (1000000 / HZ)); /* * Do a sanity check on the APIC calibration result */ - if (calibration_result < (1000000 / HZ)) { + if (lapic_timer_frequency < (1000000 / HZ)) { local_irq_enable(); pr_warning("APIC frequency too slow, disabling apic timer\n"); return -1; diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c index 3c31fa9..6d939d7 100644 --- a/arch/x86/kernel/apic/io_apic.c +++ b/arch/x86/kernel/apic/io_apic.c @@ -193,10 +193,8 @@ int __init arch_early_irq_init(void) struct irq_cfg *cfg; int count, node, i; - if (!legacy_pic->nr_legacy_irqs) { - nr_irqs_gsi = 0; + if (!legacy_pic->nr_legacy_irqs) io_apic_irqs = ~0UL; - } for (i = 0; i < nr_ioapics; i++) { ioapics[i].saved_registers = @@ -1696,6 +1694,7 @@ __apicdebuginit(void) print_IO_APICs(void) int ioapic_idx; struct irq_cfg *cfg; unsigned int irq; + struct irq_chip *chip; printk(KERN_DEBUG "number of MP IRQ sources: %d.\n", mp_irq_entries); for (ioapic_idx = 0; ioapic_idx < nr_ioapics; ioapic_idx++) @@ -1716,6 +1715,10 @@ __apicdebuginit(void) print_IO_APICs(void) for_each_active_irq(irq) { struct irq_pin_list *entry; + chip = irq_get_chip(irq); + if (chip != &ioapic_chip) + continue; + cfg = irq_get_chip_data(irq); if (!cfg) continue; diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c index 62ae300..9d59bba 100644 --- a/arch/x86/kernel/apic/x2apic_uv_x.c +++ b/arch/x86/kernel/apic/x2apic_uv_x.c @@ -93,6 +93,8 @@ static int __init early_get_pnodeid(void) if (node_id.s.part_number == UV2_HUB_PART_NUMBER) uv_min_hub_revision_id += UV2_HUB_REVISION_BASE - 1; + if (node_id.s.part_number == UV2_HUB_PART_NUMBER_X) + uv_min_hub_revision_id += UV2_HUB_REVISION_BASE - 1; uv_hub_info->hub_revision = uv_min_hub_revision_id; pnode = (node_id.s.node_id >> 1) & ((1 << m_n_config.s.n_skt) - 1); diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c index c7e46cb..0bab2b1 100644 --- a/arch/x86/kernel/cpu/amd.c +++ b/arch/x86/kernel/cpu/amd.c @@ -442,8 +442,6 @@ static void __cpuinit bsp_init_amd(struct cpuinfo_x86 *c) static void __cpuinit early_init_amd(struct cpuinfo_x86 *c) { - u32 dummy; - early_init_amd_mc(c); /* @@ -473,12 +471,12 @@ static void __cpuinit early_init_amd(struct cpuinfo_x86 *c) set_cpu_cap(c, X86_FEATURE_EXTD_APICID); } #endif - - rdmsr_safe(MSR_AMD64_PATCH_LEVEL, &c->microcode, &dummy); } static void __cpuinit init_amd(struct cpuinfo_x86 *c) { + u32 dummy; + #ifdef CONFIG_SMP unsigned long long value; @@ -657,6 +655,8 @@ static void __cpuinit init_amd(struct cpuinfo_x86 *c) checking_wrmsrl(MSR_AMD64_MCx_MASK(4), mask); } } + + rdmsr_safe(MSR_AMD64_PATCH_LEVEL, &c->microcode, &dummy); } #ifdef CONFIG_X86_32 diff --git a/arch/x86/kernel/cpu/mcheck/mce-inject.c b/arch/x86/kernel/cpu/mcheck/mce-inject.c index 6199232..319882e 100644 --- a/arch/x86/kernel/cpu/mcheck/mce-inject.c +++ b/arch/x86/kernel/cpu/mcheck/mce-inject.c @@ -208,7 +208,7 @@ static int inject_init(void) if (!alloc_cpumask_var(&mce_inject_cpumask, GFP_KERNEL)) return -ENOMEM; printk(KERN_INFO "Machine check injector initialized\n"); - mce_chrdev_ops.write = mce_write; + register_mce_write_callback(mce_write); register_nmi_handler(NMI_LOCAL, mce_raise_notify, 0, "mce_notify"); return 0; diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c index 362056a..2af127d 100644 --- a/arch/x86/kernel/cpu/mcheck/mce.c +++ b/arch/x86/kernel/cpu/mcheck/mce.c @@ -1634,16 +1634,35 @@ static long mce_chrdev_ioctl(struct file *f, unsigned int cmd, } } -/* Modified in mce-inject.c, so not static or const */ -struct file_operations mce_chrdev_ops = { +static ssize_t (*mce_write)(struct file *filp, const char __user *ubuf, + size_t usize, loff_t *off); + +void register_mce_write_callback(ssize_t (*fn)(struct file *filp, + const char __user *ubuf, + size_t usize, loff_t *off)) +{ + mce_write = fn; +} +EXPORT_SYMBOL_GPL(register_mce_write_callback); + +ssize_t mce_chrdev_write(struct file *filp, const char __user *ubuf, + size_t usize, loff_t *off) +{ + if (mce_write) + return mce_write(filp, ubuf, usize, off); + else + return -EINVAL; +} + +static const struct file_operations mce_chrdev_ops = { .open = mce_chrdev_open, .release = mce_chrdev_release, .read = mce_chrdev_read, + .write = mce_chrdev_write, .poll = mce_chrdev_poll, .unlocked_ioctl = mce_chrdev_ioctl, .llseek = no_llseek, }; -EXPORT_SYMBOL_GPL(mce_chrdev_ops); static struct miscdevice mce_chrdev_device = { MISC_MCELOG_MINOR, diff --git a/arch/x86/kernel/cpu/mtrr/generic.c b/arch/x86/kernel/cpu/mtrr/generic.c index a71efcdb..97b2635 100644 --- a/arch/x86/kernel/cpu/mtrr/generic.c +++ b/arch/x86/kernel/cpu/mtrr/generic.c @@ -547,6 +547,7 @@ static void generic_get_mtrr(unsigned int reg, unsigned long *base, if (tmp != mask_lo) { printk(KERN_WARNING "mtrr: your BIOS has configured an incorrect mask, fixing it.\n"); + add_taint(TAINT_FIRMWARE_WORKAROUND); mask_lo = tmp; } } @@ -693,6 +694,7 @@ static void prepare_set(void) __acquires(set_atomicity_lock) /* Disable MTRRs, and set the default type to uncached */ mtrr_wrmsr(MSR_MTRRdefType, deftype_lo & ~0xcff, deftype_hi); + wbinvd(); } static void post_set(void) __releases(set_atomicity_lock) diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c index 6408910..2bda212 100644 --- a/arch/x86/kernel/cpu/perf_event.c +++ b/arch/x86/kernel/cpu/perf_event.c @@ -312,12 +312,8 @@ int x86_setup_perfctr(struct perf_event *event) return -EOPNOTSUPP; } - /* - * Do not allow config1 (extended registers) to propagate, - * there's no sane user-space generalization yet: - */ if (attr->type == PERF_TYPE_RAW) - return 0; + return x86_pmu_extra_regs(event->attr.config, event); if (attr->type == PERF_TYPE_HW_CACHE) return set_ext_hw_attr(hwc, event); @@ -588,7 +584,7 @@ done: x86_pmu.put_event_constraints(cpuc, cpuc->event_list[i]); } } - return num ? -ENOSPC : 0; + return num ? -EINVAL : 0; } /* @@ -607,7 +603,7 @@ static int collect_events(struct cpu_hw_events *cpuc, struct perf_event *leader, if (is_x86_event(leader)) { if (n >= max_count) - return -ENOSPC; + return -EINVAL; cpuc->event_list[n] = leader; n++; } @@ -620,7 +616,7 @@ static int collect_events(struct cpu_hw_events *cpuc, struct perf_event *leader, continue; if (n >= max_count) - return -ENOSPC; + return -EINVAL; cpuc->event_list[n] = event; n++; @@ -1316,7 +1312,7 @@ static int validate_event(struct perf_event *event) c = x86_pmu.get_event_constraints(fake_cpuc, event); if (!c || !c->weight) - ret = -ENOSPC; + ret = -EINVAL; if (x86_pmu.put_event_constraints) x86_pmu.put_event_constraints(fake_cpuc, event); @@ -1341,7 +1337,7 @@ static int validate_group(struct perf_event *event) { struct perf_event *leader = event->group_leader; struct cpu_hw_events *fake_cpuc; - int ret = -ENOSPC, n; + int ret = -EINVAL, n; fake_cpuc = allocate_fake_cpuc(); if (IS_ERR(fake_cpuc)) diff --git a/arch/x86/kernel/cpu/perf_event_amd_ibs.c b/arch/x86/kernel/cpu/perf_event_amd_ibs.c index ab6343d..3b8a2d3 100644 --- a/arch/x86/kernel/cpu/perf_event_amd_ibs.c +++ b/arch/x86/kernel/cpu/perf_event_amd_ibs.c @@ -199,8 +199,7 @@ static int force_ibs_eilvt_setup(void) goto out; } - pr_err(FW_BUG "using offset %d for IBS interrupts\n", offset); - pr_err(FW_BUG "workaround enabled for IBS LVT offset\n"); + pr_info("IBS: LVT offset %d assigned\n", offset); return 0; out: @@ -265,19 +264,23 @@ perf_ibs_cpu_notifier(struct notifier_block *self, unsigned long action, void *h static __init int amd_ibs_init(void) { u32 caps; - int ret; + int ret = -EINVAL; caps = __get_ibs_caps(); if (!caps) return -ENODEV; /* ibs not supported by the cpu */ - if (!ibs_eilvt_valid()) { - ret = force_ibs_eilvt_setup(); - if (ret) { - pr_err("Failed to setup IBS, %d\n", ret); - return ret; - } - } + /* + * Force LVT offset assignment for family 10h: The offsets are + * not assigned by the BIOS for this family, so the OS is + * responsible for doing it. If the OS assignment fails, fall + * back to BIOS settings and try to setup this. + */ + if (boot_cpu_data.x86 == 0x10) + force_ibs_eilvt_setup(); + + if (!ibs_eilvt_valid()) + goto out; get_online_cpus(); ibs_caps = caps; @@ -287,7 +290,11 @@ static __init int amd_ibs_init(void) smp_call_function(setup_APIC_ibs, NULL, 1); put_online_cpus(); - return perf_event_ibs_init(); + ret = perf_event_ibs_init(); +out: + if (ret) + pr_err("Failed to setup IBS, %d\n", ret); + return ret; } /* Since we need the pci subsystem to init ibs we can't do this earlier: */ diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c index 2be5ebe..8d601b1 100644 --- a/arch/x86/kernel/cpu/perf_event_intel.c +++ b/arch/x86/kernel/cpu/perf_event_intel.c @@ -1545,6 +1545,13 @@ static void intel_clovertown_quirks(void) x86_pmu.pebs_constraints = NULL; } +static void intel_sandybridge_quirks(void) +{ + printk(KERN_WARNING "PEBS disabled due to CPU errata.\n"); + x86_pmu.pebs = 0; + x86_pmu.pebs_constraints = NULL; +} + __init int intel_pmu_init(void) { union cpuid10_edx edx; @@ -1694,6 +1701,7 @@ __init int intel_pmu_init(void) break; case 42: /* SandyBridge */ + x86_pmu.quirks = intel_sandybridge_quirks; case 45: /* SandyBridge, "Romely-EP" */ memcpy(hw_cache_event_ids, snb_hw_cache_event_ids, sizeof(hw_cache_event_ids)); diff --git a/arch/x86/kernel/cpu/perf_event_intel_ds.c b/arch/x86/kernel/cpu/perf_event_intel_ds.c index c0d238f..73da6b6 100644 --- a/arch/x86/kernel/cpu/perf_event_intel_ds.c +++ b/arch/x86/kernel/cpu/perf_event_intel_ds.c @@ -493,6 +493,7 @@ static int intel_pmu_pebs_fixup_ip(struct pt_regs *regs) unsigned long from = cpuc->lbr_entries[0].from; unsigned long old_to, to = cpuc->lbr_entries[0].to; unsigned long ip = regs->ip; + int is_64bit = 0; /* * We don't need to fixup if the PEBS assist is fault like @@ -544,7 +545,10 @@ static int intel_pmu_pebs_fixup_ip(struct pt_regs *regs) } else kaddr = (void *)to; - kernel_insn_init(&insn, kaddr); +#ifdef CONFIG_X86_64 + is_64bit = kernel_ip(to) || !test_thread_flag(TIF_IA32); +#endif + insn_init(&insn, kaddr, is_64bit); insn_get_length(&insn); to += insn.length; } while (to < ip); diff --git a/arch/x86/kernel/cpu/perf_event_p4.c b/arch/x86/kernel/cpu/perf_event_p4.c index 492bf13..ef484d9 100644 --- a/arch/x86/kernel/cpu/perf_event_p4.c +++ b/arch/x86/kernel/cpu/perf_event_p4.c @@ -1268,7 +1268,7 @@ reserve: } done: - return num ? -ENOSPC : 0; + return num ? -EINVAL : 0; } static __initconst const struct x86_pmu p4_pmu = { diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c index b946a9e..1bb0bf4 100644 --- a/arch/x86/kernel/hpet.c +++ b/arch/x86/kernel/hpet.c @@ -1049,6 +1049,14 @@ int hpet_rtc_timer_init(void) } EXPORT_SYMBOL_GPL(hpet_rtc_timer_init); +static void hpet_disable_rtc_channel(void) +{ + unsigned long cfg; + cfg = hpet_readl(HPET_T1_CFG); + cfg &= ~HPET_TN_ENABLE; + hpet_writel(cfg, HPET_T1_CFG); +} + /* * The functions below are called from rtc driver. * Return 0 if HPET is not being used. @@ -1060,6 +1068,9 @@ int hpet_mask_rtc_irq_bit(unsigned long bit_mask) return 0; hpet_rtc_flags &= ~bit_mask; + if (unlikely(!hpet_rtc_flags)) + hpet_disable_rtc_channel(); + return 1; } EXPORT_SYMBOL_GPL(hpet_mask_rtc_irq_bit); @@ -1125,15 +1136,11 @@ EXPORT_SYMBOL_GPL(hpet_rtc_dropped_irq); static void hpet_rtc_timer_reinit(void) { - unsigned int cfg, delta; + unsigned int delta; int lost_ints = -1; - if (unlikely(!hpet_rtc_flags)) { - cfg = hpet_readl(HPET_T1_CFG); - cfg &= ~HPET_TN_ENABLE; - hpet_writel(cfg, HPET_T1_CFG); - return; - } + if (unlikely(!hpet_rtc_flags)) + hpet_disable_rtc_channel(); if (!(hpet_rtc_flags & RTC_PIE) || hpet_pie_limit) delta = hpet_default_delta; diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c index acf8fbf..69bca46 100644 --- a/arch/x86/kernel/irq_64.c +++ b/arch/x86/kernel/irq_64.c @@ -38,6 +38,9 @@ static inline void stack_overflow_check(struct pt_regs *regs) #ifdef CONFIG_DEBUG_STACKOVERFLOW u64 curbase = (u64)task_stack_page(current); + if (user_mode_vm(regs)) + return; + WARN_ONCE(regs->sp >= curbase && regs->sp <= curbase + THREAD_SIZE && regs->sp < curbase + sizeof(struct thread_info) + diff --git a/arch/x86/kernel/kvmclock.c b/arch/x86/kernel/kvmclock.c index c1a0188..44842d7 100644 --- a/arch/x86/kernel/kvmclock.c +++ b/arch/x86/kernel/kvmclock.c @@ -74,9 +74,10 @@ static cycle_t kvm_clock_read(void) struct pvclock_vcpu_time_info *src; cycle_t ret; - src = &get_cpu_var(hv_clock); + preempt_disable_notrace(); + src = &__get_cpu_var(hv_clock); ret = pvclock_clocksource_read(src); - put_cpu_var(hv_clock); + preempt_enable_notrace(); return ret; } diff --git a/arch/x86/kernel/microcode_core.c b/arch/x86/kernel/microcode_core.c index f2d2a66..9d46f5e 100644 --- a/arch/x86/kernel/microcode_core.c +++ b/arch/x86/kernel/microcode_core.c @@ -256,7 +256,7 @@ static int __init microcode_dev_init(void) return 0; } -static void microcode_dev_exit(void) +static void __exit microcode_dev_exit(void) { misc_deregister(µcode_dev); } @@ -519,10 +519,8 @@ static int __init microcode_init(void) microcode_pdev = platform_device_register_simple("microcode", -1, NULL, 0); - if (IS_ERR(microcode_pdev)) { - microcode_dev_exit(); + if (IS_ERR(microcode_pdev)) return PTR_ERR(microcode_pdev); - } get_online_cpus(); mutex_lock(µcode_mutex); @@ -532,14 +530,12 @@ static int __init microcode_init(void) mutex_unlock(µcode_mutex); put_online_cpus(); - if (error) { - platform_device_unregister(microcode_pdev); - return error; - } + if (error) + goto out_pdev; error = microcode_dev_init(); if (error) - return error; + goto out_sysdev_driver; register_syscore_ops(&mc_syscore_ops); register_hotcpu_notifier(&mc_cpu_notifier); @@ -548,6 +544,20 @@ static int __init microcode_init(void) " <tigran@aivazian.fsnet.co.uk>, Peter Oruba\n"); return 0; + +out_sysdev_driver: + get_online_cpus(); + mutex_lock(µcode_mutex); + + sysdev_driver_unregister(&cpu_sysdev_class, &mc_sysdev_driver); + + mutex_unlock(µcode_mutex); + put_online_cpus(); + +out_pdev: + platform_device_unregister(microcode_pdev); + return error; + } module_init(microcode_init); diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c index 9103b89..0741b062 100644 --- a/arch/x86/kernel/mpparse.c +++ b/arch/x86/kernel/mpparse.c @@ -95,8 +95,8 @@ static void __init MP_bus_info(struct mpc_bus *m) } #endif + set_bit(m->busid, mp_bus_not_pci); if (strncmp(str, BUSTYPE_ISA, sizeof(BUSTYPE_ISA) - 1) == 0) { - set_bit(m->busid, mp_bus_not_pci); #if defined(CONFIG_EISA) || defined(CONFIG_MCA) mp_bus_id_to_type[m->busid] = MP_BUS_ISA; #endif diff --git a/arch/x86/kernel/nmi.c b/arch/x86/kernel/nmi.c index b9c8628..e88f37b 100644 --- a/arch/x86/kernel/nmi.c +++ b/arch/x86/kernel/nmi.c @@ -29,6 +29,7 @@ #include <asm/traps.h> #include <asm/mach_traps.h> #include <asm/nmi.h> +#include <asm/x86_init.h> #define NMI_MAX_NAMELEN 16 struct nmiaction { @@ -348,7 +349,7 @@ static notrace __kprobes void default_do_nmi(struct pt_regs *regs) /* Non-CPU-specific NMI: NMI sources can be processed on any CPU */ raw_spin_lock(&nmi_reason_lock); - reason = get_nmi_reason(); + reason = x86_platform.get_nmi_reason(); if (reason & NMI_REASON_MASK) { if (reason & NMI_REASON_SERR) diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c index b9b3b1a..ee5d4fb 100644 --- a/arch/x86/kernel/process.c +++ b/arch/x86/kernel/process.c @@ -403,6 +403,14 @@ void default_idle(void) EXPORT_SYMBOL(default_idle); #endif +bool set_pm_idle_to_default(void) +{ + bool ret = !!pm_idle; + + pm_idle = default_idle; + + return ret; +} void stop_this_cpu(void *dummy) { local_irq_disable(); diff --git a/arch/x86/kernel/quirks.c b/arch/x86/kernel/quirks.c index b78643d..03920a1 100644 --- a/arch/x86/kernel/quirks.c +++ b/arch/x86/kernel/quirks.c @@ -553,4 +553,17 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_10H_NB_MISC, quirk_amd_nb_node); DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_10H_NB_LINK, quirk_amd_nb_node); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_15H_NB_F0, + quirk_amd_nb_node); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_15H_NB_F1, + quirk_amd_nb_node); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_15H_NB_F2, + quirk_amd_nb_node); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_15H_NB_F3, + quirk_amd_nb_node); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_15H_NB_F4, + quirk_amd_nb_node); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_15H_NB_F5, + quirk_amd_nb_node); + #endif diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c index e334be1..37a458b 100644 --- a/arch/x86/kernel/reboot.c +++ b/arch/x86/kernel/reboot.c @@ -124,7 +124,7 @@ __setup("reboot=", reboot_setup); */ /* - * Some machines require the "reboot=b" commandline option, + * Some machines require the "reboot=b" or "reboot=k" commandline options, * this quirk makes that automatic. */ static int __init set_bios_reboot(const struct dmi_system_id *d) @@ -136,6 +136,15 @@ static int __init set_bios_reboot(const struct dmi_system_id *d) return 0; } +static int __init set_kbd_reboot(const struct dmi_system_id *d) +{ + if (reboot_type != BOOT_KBD) { + reboot_type = BOOT_KBD; + printk(KERN_INFO "%s series board detected. Selecting KBD-method for reboot.\n", d->ident); + } + return 0; +} + static struct dmi_system_id __initdata reboot_dmi_table[] = { { /* Handle problems with rebooting on Dell E520's */ .callback = set_bios_reboot, @@ -295,7 +304,7 @@ static struct dmi_system_id __initdata reboot_dmi_table[] = { }, }, { /* Handle reboot issue on Acer Aspire one */ - .callback = set_bios_reboot, + .callback = set_kbd_reboot, .ident = "Acer Aspire One A110", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Acer"), @@ -443,6 +452,14 @@ static struct dmi_system_id __initdata pci_reboot_dmi_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "Latitude E6420"), }, }, + { /* Handle problems with rebooting on the OptiPlex 990. */ + .callback = set_pci_reboot, + .ident = "Dell OptiPlex 990", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex 990"), + }, + }, { } }; diff --git a/arch/x86/kernel/rtc.c b/arch/x86/kernel/rtc.c index 348ce01..af6db6e 100644 --- a/arch/x86/kernel/rtc.c +++ b/arch/x86/kernel/rtc.c @@ -12,6 +12,7 @@ #include <asm/vsyscall.h> #include <asm/x86_init.h> #include <asm/time.h> +#include <asm/mrst.h> #ifdef CONFIG_X86_32 /* @@ -242,6 +243,10 @@ static __init int add_rtc_cmos(void) if (of_have_populated_dt()) return 0; + /* Intel MID platforms don't have ioport rtc */ + if (mrst_identify_cpu()) + return -ENODEV; + platform_device_register(&rtc_device); dev_info(&rtc_device.dev, "registered platform RTC device (no PNP device found)\n"); diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index afaf384..cf0ef98 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -1045,6 +1045,8 @@ void __init setup_arch(char **cmdline_p) x86_init.timers.wallclock_init(); + x86_platform.wallclock_init(); + mcheck_init(); arch_init_ideal_nops(); diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c index 6f164bd..c1d6cd5 100644 --- a/arch/x86/kernel/x86_init.c +++ b/arch/x86/kernel/x86_init.c @@ -21,12 +21,14 @@ #include <asm/pat.h> #include <asm/tsc.h> #include <asm/iommu.h> +#include <asm/mach_traps.h> void __cpuinit x86_init_noop(void) { } void __init x86_init_uint_noop(unsigned int unused) { } void __init x86_init_pgd_noop(pgd_t *unused) { } int __init iommu_init_noop(void) { return 0; } void iommu_shutdown_noop(void) { } +void wallclock_init_noop(void) { } /* * The platform setup functions are preset with the default functions @@ -97,11 +99,13 @@ static int default_i8042_detect(void) { return 1; }; struct x86_platform_ops x86_platform = { .calibrate_tsc = native_calibrate_tsc, + .wallclock_init = wallclock_init_noop, .get_wallclock = mach_get_cmos_time, .set_wallclock = mach_set_rtc_mmss, .iommu_shutdown = iommu_shutdown_noop, .is_untracked_pat_range = is_ISA_range, .nmi_init = default_nmi_init, + .get_nmi_reason = default_get_nmi_reason, .i8042_detect = default_i8042_detect }; diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index a0d6bd9..579a0b5 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -39,6 +39,7 @@ #include <asm/mce.h> #include <asm/i387.h> #include <asm/xcr.h> +#include <asm/perf_event.h> #include "trace.h" @@ -118,7 +119,7 @@ module_param(ple_gap, int, S_IRUGO); static int ple_window = KVM_VMX_DEFAULT_PLE_WINDOW; module_param(ple_window, int, S_IRUGO); -#define NR_AUTOLOAD_MSRS 1 +#define NR_AUTOLOAD_MSRS 8 #define VMCS02_POOL_SIZE 1 struct vmcs { @@ -622,6 +623,7 @@ static unsigned long *vmx_msr_bitmap_legacy; static unsigned long *vmx_msr_bitmap_longmode; static bool cpu_has_load_ia32_efer; +static bool cpu_has_load_perf_global_ctrl; static DECLARE_BITMAP(vmx_vpid_bitmap, VMX_NR_VPIDS); static DEFINE_SPINLOCK(vmx_vpid_lock); @@ -1191,15 +1193,34 @@ static void update_exception_bitmap(struct kvm_vcpu *vcpu) vmcs_write32(EXCEPTION_BITMAP, eb); } +static void clear_atomic_switch_msr_special(unsigned long entry, + unsigned long exit) +{ + vmcs_clear_bits(VM_ENTRY_CONTROLS, entry); + vmcs_clear_bits(VM_EXIT_CONTROLS, exit); +} + static void clear_atomic_switch_msr(struct vcpu_vmx *vmx, unsigned msr) { unsigned i; struct msr_autoload *m = &vmx->msr_autoload; - if (msr == MSR_EFER && cpu_has_load_ia32_efer) { - vmcs_clear_bits(VM_ENTRY_CONTROLS, VM_ENTRY_LOAD_IA32_EFER); - vmcs_clear_bits(VM_EXIT_CONTROLS, VM_EXIT_LOAD_IA32_EFER); - return; + switch (msr) { + case MSR_EFER: + if (cpu_has_load_ia32_efer) { + clear_atomic_switch_msr_special(VM_ENTRY_LOAD_IA32_EFER, + VM_EXIT_LOAD_IA32_EFER); + return; + } + break; + case MSR_CORE_PERF_GLOBAL_CTRL: + if (cpu_has_load_perf_global_ctrl) { + clear_atomic_switch_msr_special( + VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL, + VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL); + return; + } + break; } for (i = 0; i < m->nr; ++i) @@ -1215,25 +1236,55 @@ static void clear_atomic_switch_msr(struct vcpu_vmx *vmx, unsigned msr) vmcs_write32(VM_EXIT_MSR_LOAD_COUNT, m->nr); } +static void add_atomic_switch_msr_special(unsigned long entry, + unsigned long exit, unsigned long guest_val_vmcs, + unsigned long host_val_vmcs, u64 guest_val, u64 host_val) +{ + vmcs_write64(guest_val_vmcs, guest_val); + vmcs_write64(host_val_vmcs, host_val); + vmcs_set_bits(VM_ENTRY_CONTROLS, entry); + vmcs_set_bits(VM_EXIT_CONTROLS, exit); +} + static void add_atomic_switch_msr(struct vcpu_vmx *vmx, unsigned msr, u64 guest_val, u64 host_val) { unsigned i; struct msr_autoload *m = &vmx->msr_autoload; - if (msr == MSR_EFER && cpu_has_load_ia32_efer) { - vmcs_write64(GUEST_IA32_EFER, guest_val); - vmcs_write64(HOST_IA32_EFER, host_val); - vmcs_set_bits(VM_ENTRY_CONTROLS, VM_ENTRY_LOAD_IA32_EFER); - vmcs_set_bits(VM_EXIT_CONTROLS, VM_EXIT_LOAD_IA32_EFER); - return; + switch (msr) { + case MSR_EFER: + if (cpu_has_load_ia32_efer) { + add_atomic_switch_msr_special(VM_ENTRY_LOAD_IA32_EFER, + VM_EXIT_LOAD_IA32_EFER, + GUEST_IA32_EFER, + HOST_IA32_EFER, + guest_val, host_val); + return; + } + break; + case MSR_CORE_PERF_GLOBAL_CTRL: + if (cpu_has_load_perf_global_ctrl) { + add_atomic_switch_msr_special( + VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL, + VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL, + GUEST_IA32_PERF_GLOBAL_CTRL, + HOST_IA32_PERF_GLOBAL_CTRL, + guest_val, host_val); + return; + } + break; } for (i = 0; i < m->nr; ++i) if (m->guest[i].index == msr) break; - if (i == m->nr) { + if (i == NR_AUTOLOAD_MSRS) { + printk_once(KERN_WARNING"Not enough mst switch entries. " + "Can't add msr %x\n", msr); + return; + } else if (i == m->nr) { ++m->nr; vmcs_write32(VM_ENTRY_MSR_LOAD_COUNT, m->nr); vmcs_write32(VM_EXIT_MSR_LOAD_COUNT, m->nr); @@ -2455,6 +2506,42 @@ static __init int setup_vmcs_config(struct vmcs_config *vmcs_conf) && allow_1_setting(MSR_IA32_VMX_EXIT_CTLS, VM_EXIT_LOAD_IA32_EFER); + cpu_has_load_perf_global_ctrl = + allow_1_setting(MSR_IA32_VMX_ENTRY_CTLS, + VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL) + && allow_1_setting(MSR_IA32_VMX_EXIT_CTLS, + VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL); + + /* + * Some cpus support VM_ENTRY_(LOAD|SAVE)_IA32_PERF_GLOBAL_CTRL + * but due to arrata below it can't be used. Workaround is to use + * msr load mechanism to switch IA32_PERF_GLOBAL_CTRL. + * + * VM Exit May Incorrectly Clear IA32_PERF_GLOBAL_CTRL [34:32] + * + * AAK155 (model 26) + * AAP115 (model 30) + * AAT100 (model 37) + * BC86,AAY89,BD102 (model 44) + * BA97 (model 46) + * + */ + if (cpu_has_load_perf_global_ctrl && boot_cpu_data.x86 == 0x6) { + switch (boot_cpu_data.x86_model) { + case 26: + case 30: + case 37: + case 44: + case 46: + cpu_has_load_perf_global_ctrl = false; + printk_once(KERN_WARNING"kvm: VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL " + "does not work properly. Using workaround\n"); + break; + default: + break; + } + } + return 0; } @@ -5968,6 +6055,24 @@ static void vmx_cancel_injection(struct kvm_vcpu *vcpu) vmcs_write32(VM_ENTRY_INTR_INFO_FIELD, 0); } +static void atomic_switch_perf_msrs(struct vcpu_vmx *vmx) +{ + int i, nr_msrs; + struct perf_guest_switch_msr *msrs; + + msrs = perf_guest_get_msrs(&nr_msrs); + + if (!msrs) + return; + + for (i = 0; i < nr_msrs; i++) + if (msrs[i].host == msrs[i].guest) + clear_atomic_switch_msr(vmx, msrs[i].msr); + else + add_atomic_switch_msr(vmx, msrs[i].msr, msrs[i].guest, + msrs[i].host); +} + #ifdef CONFIG_X86_64 #define R "r" #define Q "q" @@ -6017,6 +6122,8 @@ static void __noclone vmx_vcpu_run(struct kvm_vcpu *vcpu) if (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP) vmx_set_interrupt_shadow(vcpu, 0); + atomic_switch_perf_msrs(vmx); + vmx->__launched = vmx->loaded_vmcs->launched; asm( /* Store host registers */ diff --git a/arch/x86/mm/gup.c b/arch/x86/mm/gup.c index ea30585..dd74e46 100644 --- a/arch/x86/mm/gup.c +++ b/arch/x86/mm/gup.c @@ -201,6 +201,8 @@ static noinline int gup_huge_pud(pud_t pud, unsigned long addr, do { VM_BUG_ON(compound_head(page) != head); pages[*nr] = page; + if (PageTail(page)) + get_huge_page_tail(page); (*nr)++; page++; refs++; diff --git a/arch/x86/mm/highmem_32.c b/arch/x86/mm/highmem_32.c index b499626..f4f29b1 100644 --- a/arch/x86/mm/highmem_32.c +++ b/arch/x86/mm/highmem_32.c @@ -45,6 +45,7 @@ void *kmap_atomic_prot(struct page *page, pgprot_t prot) vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx); BUG_ON(!pte_none(*(kmap_pte-idx))); set_pte(kmap_pte-idx, mk_pte(page, prot)); + arch_flush_lazy_mmu_mode(); return (void *)vaddr; } @@ -88,6 +89,7 @@ void __kunmap_atomic(void *kvaddr) */ kpte_clear_flush(kmap_pte-idx, vaddr); kmap_atomic_idx_pop(); + arch_flush_lazy_mmu_mode(); } #ifdef CONFIG_DEBUG_HIGHMEM else { diff --git a/arch/x86/oprofile/init.c b/arch/x86/oprofile/init.c index cdfe4c5..f148cf6 100644 --- a/arch/x86/oprofile/init.c +++ b/arch/x86/oprofile/init.c @@ -21,6 +21,7 @@ extern int op_nmi_timer_init(struct oprofile_operations *ops); extern void op_nmi_exit(void); extern void x86_backtrace(struct pt_regs * const regs, unsigned int depth); +static int nmi_timer; int __init oprofile_arch_init(struct oprofile_operations *ops) { @@ -31,8 +32,9 @@ int __init oprofile_arch_init(struct oprofile_operations *ops) #ifdef CONFIG_X86_LOCAL_APIC ret = op_nmi_init(ops); #endif + nmi_timer = (ret != 0); #ifdef CONFIG_X86_IO_APIC - if (ret < 0) + if (nmi_timer) ret = op_nmi_timer_init(ops); #endif ops->backtrace = x86_backtrace; @@ -44,6 +46,7 @@ int __init oprofile_arch_init(struct oprofile_operations *ops) void oprofile_arch_exit(void) { #ifdef CONFIG_X86_LOCAL_APIC - op_nmi_exit(); + if (!nmi_timer) + op_nmi_exit(); #endif } diff --git a/arch/x86/platform/efi/efi_32.c b/arch/x86/platform/efi/efi_32.c index e36bf71..40e4469 100644 --- a/arch/x86/platform/efi/efi_32.c +++ b/arch/x86/platform/efi/efi_32.c @@ -39,43 +39,14 @@ */ static unsigned long efi_rt_eflags; -static pgd_t efi_bak_pg_dir_pointer[2]; void efi_call_phys_prelog(void) { - unsigned long cr4; - unsigned long temp; struct desc_ptr gdt_descr; local_irq_save(efi_rt_eflags); - /* - * If I don't have PAE, I should just duplicate two entries in page - * directory. If I have PAE, I just need to duplicate one entry in - * page directory. - */ - cr4 = read_cr4_safe(); - - if (cr4 & X86_CR4_PAE) { - efi_bak_pg_dir_pointer[0].pgd = - swapper_pg_dir[pgd_index(0)].pgd; - swapper_pg_dir[0].pgd = - swapper_pg_dir[pgd_index(PAGE_OFFSET)].pgd; - } else { - efi_bak_pg_dir_pointer[0].pgd = - swapper_pg_dir[pgd_index(0)].pgd; - efi_bak_pg_dir_pointer[1].pgd = - swapper_pg_dir[pgd_index(0x400000)].pgd; - swapper_pg_dir[pgd_index(0)].pgd = - swapper_pg_dir[pgd_index(PAGE_OFFSET)].pgd; - temp = PAGE_OFFSET + 0x400000; - swapper_pg_dir[pgd_index(0x400000)].pgd = - swapper_pg_dir[pgd_index(temp)].pgd; - } - - /* - * After the lock is released, the original page table is restored. - */ + load_cr3(initial_page_table); __flush_tlb_all(); gdt_descr.address = __pa(get_cpu_gdt_table(0)); @@ -85,28 +56,13 @@ void efi_call_phys_prelog(void) void efi_call_phys_epilog(void) { - unsigned long cr4; struct desc_ptr gdt_descr; gdt_descr.address = (unsigned long)get_cpu_gdt_table(0); gdt_descr.size = GDT_SIZE - 1; load_gdt(&gdt_descr); - cr4 = read_cr4_safe(); - - if (cr4 & X86_CR4_PAE) { - swapper_pg_dir[pgd_index(0)].pgd = - efi_bak_pg_dir_pointer[0].pgd; - } else { - swapper_pg_dir[pgd_index(0)].pgd = - efi_bak_pg_dir_pointer[0].pgd; - swapper_pg_dir[pgd_index(0x400000)].pgd = - efi_bak_pg_dir_pointer[1].pgd; - } - - /* - * After the lock is released, the original page table is restored. - */ + load_cr3(swapper_pg_dir); __flush_tlb_all(); local_irq_restore(efi_rt_eflags); diff --git a/arch/x86/platform/mrst/mrst.c b/arch/x86/platform/mrst/mrst.c index 541020d..ad4ec1c 100644 --- a/arch/x86/platform/mrst/mrst.c +++ b/arch/x86/platform/mrst/mrst.c @@ -76,6 +76,20 @@ struct sfi_rtc_table_entry sfi_mrtc_array[SFI_MRTC_MAX]; EXPORT_SYMBOL_GPL(sfi_mrtc_array); int sfi_mrtc_num; +static void mrst_power_off(void) +{ + if (__mrst_cpu_chip == MRST_CPU_CHIP_LINCROFT) + intel_scu_ipc_simple_command(IPCMSG_COLD_RESET, 1); +} + +static void mrst_reboot(void) +{ + if (__mrst_cpu_chip == MRST_CPU_CHIP_LINCROFT) + intel_scu_ipc_simple_command(IPCMSG_COLD_RESET, 0); + else + intel_scu_ipc_simple_command(IPCMSG_COLD_BOOT, 0); +} + /* parse all the mtimer info to a static mtimer array */ static int __init sfi_parse_mtmr(struct sfi_table_header *table) { @@ -187,11 +201,34 @@ int __init sfi_parse_mrtc(struct sfi_table_header *table) static unsigned long __init mrst_calibrate_tsc(void) { unsigned long flags, fast_calibrate; - - local_irq_save(flags); - fast_calibrate = apbt_quick_calibrate(); - local_irq_restore(flags); - + if (__mrst_cpu_chip == MRST_CPU_CHIP_PENWELL) { + u32 lo, hi, ratio, fsb; + + rdmsr(MSR_IA32_PERF_STATUS, lo, hi); + pr_debug("IA32 perf status is 0x%x, 0x%0x\n", lo, hi); + ratio = (hi >> 8) & 0x1f; + pr_debug("ratio is %d\n", ratio); + if (!ratio) { + pr_err("read a zero ratio, should be incorrect!\n"); + pr_err("force tsc ratio to 16 ...\n"); + ratio = 16; + } + rdmsr(MSR_FSB_FREQ, lo, hi); + if ((lo & 0x7) == 0x7) + fsb = PENWELL_FSB_FREQ_83SKU; + else + fsb = PENWELL_FSB_FREQ_100SKU; + fast_calibrate = ratio * fsb; + pr_debug("read penwell tsc %lu khz\n", fast_calibrate); + lapic_timer_frequency = fsb * 1000 / HZ; + /* mark tsc clocksource as reliable */ + set_cpu_cap(&boot_cpu_data, X86_FEATURE_TSC_RELIABLE); + } else { + local_irq_save(flags); + fast_calibrate = apbt_quick_calibrate(); + local_irq_restore(flags); + } + if (fast_calibrate) return fast_calibrate; @@ -242,15 +279,15 @@ static int mrst_i8042_detect(void) return 0; } -/* Reboot and power off are handled by the SCU on a MID device */ -static void mrst_power_off(void) -{ - intel_scu_ipc_simple_command(0xf1, 1); -} - -static void mrst_reboot(void) +/* + * Moorestown does not have external NMI source nor port 0x61 to report + * NMI status. The possible NMI sources are from pmu as a result of NMI + * watchdog or lock debug. Reading io port 0x61 results in 0xff which + * misled NMI handler. + */ +static unsigned char mrst_get_nmi_reason(void) { - intel_scu_ipc_simple_command(0xf1, 0); + return 0; } /* @@ -274,6 +311,8 @@ void __init x86_mrst_early_setup(void) x86_platform.calibrate_tsc = mrst_calibrate_tsc; x86_platform.i8042_detect = mrst_i8042_detect; x86_init.timers.wallclock_init = mrst_rtc_init; + x86_platform.get_nmi_reason = mrst_get_nmi_reason; + x86_init.pci.init = pci_mrst_init; x86_init.pci.fixup_irqs = x86_init_noop; @@ -448,6 +487,46 @@ static void __init *max7315_platform_data(void *info) return max7315; } +static void *tca6416_platform_data(void *info) +{ + static struct pca953x_platform_data tca6416; + struct i2c_board_info *i2c_info = info; + int gpio_base, intr; + char base_pin_name[SFI_NAME_LEN + 1]; + char intr_pin_name[SFI_NAME_LEN + 1]; + + strcpy(i2c_info->type, "tca6416"); + strcpy(base_pin_name, "tca6416_base"); + strcpy(intr_pin_name, "tca6416_int"); + + gpio_base = get_gpio_by_name(base_pin_name); + intr = get_gpio_by_name(intr_pin_name); + + if (gpio_base == -1) + return NULL; + tca6416.gpio_base = gpio_base; + if (intr != -1) { + i2c_info->irq = intr + MRST_IRQ_OFFSET; + tca6416.irq_base = gpio_base + MRST_IRQ_OFFSET; + } else { + i2c_info->irq = -1; + tca6416.irq_base = -1; + } + return &tca6416; +} + +static void *mpu3050_platform_data(void *info) +{ + struct i2c_board_info *i2c_info = info; + int intr = get_gpio_by_name("mpu3050_int"); + + if (intr == -1) + return NULL; + + i2c_info->irq = intr + MRST_IRQ_OFFSET; + return NULL; +} + static void __init *emc1403_platform_data(void *info) { static short intr2nd_pdata; @@ -610,12 +689,15 @@ static void *msic_ocd_platform_data(void *info) static const struct devs_id __initconst device_ids[] = { {"bma023", SFI_DEV_TYPE_I2C, 1, &no_platform_data}, {"pmic_gpio", SFI_DEV_TYPE_SPI, 1, &pmic_gpio_platform_data}, + {"pmic_gpio", SFI_DEV_TYPE_IPC, 1, &pmic_gpio_platform_data}, {"spi_max3111", SFI_DEV_TYPE_SPI, 0, &max3111_platform_data}, {"i2c_max7315", SFI_DEV_TYPE_I2C, 1, &max7315_platform_data}, {"i2c_max7315_2", SFI_DEV_TYPE_I2C, 1, &max7315_platform_data}, + {"tca6416", SFI_DEV_TYPE_I2C, 1, &tca6416_platform_data}, {"emc1403", SFI_DEV_TYPE_I2C, 1, &emc1403_platform_data}, {"i2c_accel", SFI_DEV_TYPE_I2C, 0, &lis331dl_platform_data}, {"pmic_audio", SFI_DEV_TYPE_IPC, 1, &no_platform_data}, + {"mpu3050", SFI_DEV_TYPE_I2C, 1, &mpu3050_platform_data}, /* MSIC subdevices */ {"msic_battery", SFI_DEV_TYPE_IPC, 1, &msic_battery_platform_data}, diff --git a/arch/x86/um/asm/processor.h b/arch/x86/um/asm/processor.h index 118c143..2c32df6 100644 --- a/arch/x86/um/asm/processor.h +++ b/arch/x86/um/asm/processor.h @@ -11,7 +11,7 @@ #endif #define KSTK_EIP(tsk) KSTK_REG(tsk, HOST_IP) -#define KSTK_ESP(tsk) KSTK_REG(tsk, HOST_IP) +#define KSTK_ESP(tsk) KSTK_REG(tsk, HOST_SP) #define KSTK_EBP(tsk) KSTK_REG(tsk, HOST_BP) #define ARCH_IS_STACKGROW(address) \ diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index da8afd5..1f92865 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -1356,7 +1356,7 @@ static int __cpuinit xen_hvm_cpu_notify(struct notifier_block *self, int cpu = (long)hcpu; switch (action) { case CPU_UP_PREPARE: - per_cpu(xen_vcpu, cpu) = &HYPERVISOR_shared_info->vcpu_info[cpu]; + xen_vcpu_setup(cpu); if (xen_have_vector_callback) xen_init_lock_cpu(cpu); break; @@ -1386,7 +1386,6 @@ static void __init xen_hvm_guest_init(void) xen_hvm_smp_init(); register_cpu_notifier(&xen_hvm_cpu_notifier); xen_unplug_emulated_devices(); - have_vcpu_info_placement = 0; x86_init.irqs.intr_init = xen_init_IRQ; xen_hvm_init_time_ops(); xen_hvm_init_mmu_ops(); diff --git a/arch/x86/xen/grant-table.c b/arch/x86/xen/grant-table.c index 6bbfd7a..5a40d24 100644 --- a/arch/x86/xen/grant-table.c +++ b/arch/x86/xen/grant-table.c @@ -71,7 +71,7 @@ int arch_gnttab_map_shared(unsigned long *frames, unsigned long nr_gframes, if (shared == NULL) { struct vm_struct *area = - alloc_vm_area(PAGE_SIZE * max_nr_gframes); + alloc_vm_area(PAGE_SIZE * max_nr_gframes, NULL); BUG_ON(area == NULL); shared = area->addr; *__shared = shared; diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c index 38d0af4..b2c7179 100644 --- a/arch/x86/xen/setup.c +++ b/arch/x86/xen/setup.c @@ -173,9 +173,21 @@ static unsigned long __init xen_get_max_pages(void) domid_t domid = DOMID_SELF; int ret; - ret = HYPERVISOR_memory_op(XENMEM_maximum_reservation, &domid); - if (ret > 0) - max_pages = ret; + /* + * For the initial domain we use the maximum reservation as + * the maximum page. + * + * For guest domains the current maximum reservation reflects + * the current maximum rather than the static maximum. In this + * case the e820 map provided to us will cover the static + * maximum region. + */ + if (xen_initial_domain()) { + ret = HYPERVISOR_memory_op(XENMEM_maximum_reservation, &domid); + if (ret > 0) + max_pages = ret; + } + return min(max_pages, MAX_DOMAIN_PAGES); } @@ -410,6 +422,6 @@ void __init xen_arch_setup(void) #endif disable_cpuidle(); boot_option_idle_override = IDLE_HALT; - + WARN_ON(set_pm_idle_to_default()); fiddle_vdso(); } |