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Merge git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc

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* git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (43 commits)
  [POWERPC] Use little-endian bit from firmware ibm,pa-features property
  [POWERPC] Make sure smp_processor_id works very early in boot
  [POWERPC] U4 DART improvements
  [POWERPC] todc: add support for Time-Of-Day-Clock
  [POWERPC] Make lparcfg.c work when both iseries and pseries are selected
  [POWERPC] Fix idr locking in init_new_context
  [POWERPC] mpc7448hpc2 (taiga) board config file
  [POWERPC] Add tsi108 pci and platform device data register function
  [POWERPC] Add general support for mpc7448hpc2 (Taiga) platform
  [POWERPC] Correct the MAX_CONTEXT definition
  powerpc: minor cleanups for mpc86xx
  [POWERPC] Make sure we select CONFIG_NEW_LEDS if ADB_PMU_LED is set
  [POWERPC] Simplify the code defining the 64-bit CPU features
  [POWERPC] powerpc: kconfig warning fix
  [POWERPC] Consolidate some of kernel/misc*.S
  [POWERPC] Remove unused function call_with_mmu_off
  [POWERPC] update asm-powerpc/time.h
  [POWERPC] Clean up it_lp_queue.h
  [POWERPC] Skip the "copy down" of the kernel if it is already at zero.
  [POWERPC] Add the use of the firmware soft-reset-nmi to kdump.
  ...
This commit is contained in:
Linus Torvalds 2006-06-29 11:32:34 -07:00
commit 3aa590c6b7
77 changed files with 4088 additions and 1112 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

23
arch/powerpc/Kconfig
View file

@ -340,7 +340,7 @@ config PPC_ISERIES
config EMBEDDED6xx
bool "Embedded 6xx/7xx/7xxx-based board"
depends on PPC32 && BROKEN
depends on PPC32 && (BROKEN||BROKEN_ON_SMP)
config APUS
bool "Amiga-APUS"
@ -417,12 +417,17 @@ config PPC_CELL_NATIVE
default n
config PPC_IBM_CELL_BLADE
bool " IBM Cell Blade"
bool "IBM Cell Blade"
depends on PPC_MULTIPLATFORM && PPC64
select PPC_CELL_NATIVE
select PPC_RTAS
select MMIO_NVRAM
select PPC_UDBG_16550
select UDBG_RTAS_CONSOLE
config UDBG_RTAS_CONSOLE
bool
default n
config XICS
depends on PPC_PSERIES
@ -435,7 +440,8 @@ config U3_DART
default n
config MPIC
depends on PPC_PSERIES || PPC_PMAC || PPC_MAPLE || PPC_CHRP
depends on PPC_PSERIES || PPC_PMAC || PPC_MAPLE || PPC_CHRP \
|| MPC7448HPC2
bool
default y
@ -561,6 +567,13 @@ config TAU_AVERAGE
/proc/cpuinfo.
If in doubt, say N here.
config PPC_TODC
depends on EMBEDDED6xx
bool "Generic Time-of-day Clock (TODC) support"
---help---
This adds support for many TODC/RTC chips.
endmenu
source arch/powerpc/platforms/embedded6xx/Kconfig
@ -801,7 +814,6 @@ config GENERIC_ISA_DMA
config PPC_I8259
bool
default y if MPC8641_HPCN
default n
config PPC_INDIRECT_PCI
@ -824,7 +836,8 @@ config MCA
bool
config PCI
bool "PCI support" if 40x || CPM2 || PPC_83xx || PPC_85xx || PPC_86xx || PPC_MPC52xx || (EMBEDDED && PPC_ISERIES)
bool "PCI support" if 40x || CPM2 || PPC_83xx || PPC_85xx || PPC_MPC52xx || (EMBEDDED && PPC_ISERIES) \
|| MPC7448HPC2
default y if !40x && !CPM2 && !8xx && !APUS && !PPC_83xx && !PPC_85xx && !PPC_86xx
default PCI_PERMEDIA if !4xx && !CPM2 && !8xx && APUS
default PCI_QSPAN if !4xx && !CPM2 && 8xx

9
arch/powerpc/Kconfig.debug
View file

@ -134,12 +134,19 @@ config PPC_EARLY_DEBUG_G5
help
Select this to enable early debugging for Apple G5 machines.
config PPC_EARLY_DEBUG_RTAS
config PPC_EARLY_DEBUG_RTAS_PANEL
bool "RTAS Panel"
depends on PPC_RTAS
help
Select this to enable early debugging via the RTAS panel.
config PPC_EARLY_DEBUG_RTAS_CONSOLE
bool "RTAS Console"
depends on PPC_RTAS
select UDBG_RTAS_CONSOLE
help
Select this to enable early debugging via the RTAS console.
config PPC_EARLY_DEBUG_MAPLE
bool "Maple real mode"
depends on PPC_MAPLE

7
arch/powerpc/configs/cell_defconfig
View file

@ -1,7 +1,7 @@
#
# Automatically generated make config: don't edit
# Linux kernel version: 2.6.17
# Mon Jun 19 17:23:03 2006
# Linux kernel version: 2.6.17-rc6
# Thu Jun 22 15:28:36 2006
#
CONFIG_PPC64=y
CONFIG_64BIT=y
@ -1063,7 +1063,8 @@ CONFIG_DEBUG_FS=y
# CONFIG_DEBUG_STACKOVERFLOW is not set
# CONFIG_DEBUG_STACK_USAGE is not set
CONFIG_DEBUGGER=y
# CONFIG_XMON is not set
CONFIG_XMON=y
CONFIG_XMON_DEFAULT=y
CONFIG_IRQSTACKS=y
# CONFIG_BOOTX_TEXT is not set
# CONFIG_PPC_EARLY_DEBUG is not set

923
arch/powerpc/configs/mpc7448_hpc2_defconfig Normal file
View file

@ -0,0 +1,923 @@
#
# Automatically generated make config: don't edit
# Linux kernel version: 2.6.17-rc4
# Sat May 27 18:45:55 2006
#
# CONFIG_PPC64 is not set
CONFIG_PPC32=y
CONFIG_PPC_MERGE=y
CONFIG_MMU=y
CONFIG_GENERIC_HARDIRQS=y
CONFIG_RWSEM_XCHGADD_ALGORITHM=y
CONFIG_GENERIC_HWEIGHT=y
CONFIG_GENERIC_CALIBRATE_DELAY=y
CONFIG_PPC=y
CONFIG_EARLY_PRINTK=y
CONFIG_GENERIC_NVRAM=y
CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
CONFIG_ARCH_MAY_HAVE_PC_FDC=y
CONFIG_PPC_OF=y
CONFIG_PPC_UDBG_16550=y
# CONFIG_GENERIC_TBSYNC is not set
CONFIG_DEFAULT_UIMAGE=y
#
# Processor support
#
CONFIG_CLASSIC32=y
# CONFIG_PPC_52xx is not set
# CONFIG_PPC_82xx is not set
# CONFIG_PPC_83xx is not set
# CONFIG_PPC_85xx is not set
# CONFIG_40x is not set
# CONFIG_44x is not set
# CONFIG_8xx is not set
# CONFIG_E200 is not set
CONFIG_6xx=y
CONFIG_PPC_FPU=y
# CONFIG_ALTIVEC is not set
CONFIG_PPC_STD_MMU=y
CONFIG_PPC_STD_MMU_32=y
# CONFIG_SMP is not set
#
# Code maturity level options
#
CONFIG_EXPERIMENTAL=y
CONFIG_BROKEN_ON_SMP=y
CONFIG_INIT_ENV_ARG_LIMIT=32
#
# General setup
#
CONFIG_LOCALVERSION=""
CONFIG_LOCALVERSION_AUTO=y
CONFIG_SWAP=y
CONFIG_SYSVIPC=y
# CONFIG_POSIX_MQUEUE is not set
# CONFIG_BSD_PROCESS_ACCT is not set
CONFIG_SYSCTL=y
# CONFIG_AUDIT is not set
# CONFIG_IKCONFIG is not set
# CONFIG_RELAY is not set
CONFIG_INITRAMFS_SOURCE=""
# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
CONFIG_EMBEDDED=y
CONFIG_KALLSYMS=y
# CONFIG_KALLSYMS_EXTRA_PASS is not set
CONFIG_HOTPLUG=y
CONFIG_PRINTK=y
CONFIG_BUG=y
CONFIG_ELF_CORE=y
CONFIG_BASE_FULL=y
CONFIG_FUTEX=y
CONFIG_EPOLL=y
CONFIG_SHMEM=y
CONFIG_SLAB=y
# CONFIG_TINY_SHMEM is not set
CONFIG_BASE_SMALL=0
# CONFIG_SLOB is not set
#
# Loadable module support
#
# CONFIG_MODULES is not set
#
# Block layer
#
CONFIG_LBD=y
# CONFIG_BLK_DEV_IO_TRACE is not set
# CONFIG_LSF is not set
#
# IO Schedulers
#
CONFIG_IOSCHED_NOOP=y
CONFIG_IOSCHED_AS=y
CONFIG_IOSCHED_DEADLINE=y
CONFIG_IOSCHED_CFQ=y
CONFIG_DEFAULT_AS=y
# CONFIG_DEFAULT_DEADLINE is not set
# CONFIG_DEFAULT_CFQ is not set
# CONFIG_DEFAULT_NOOP is not set
CONFIG_DEFAULT_IOSCHED="anticipatory"
#
# Platform support
#
# CONFIG_PPC_MULTIPLATFORM is not set
# CONFIG_PPC_ISERIES is not set
CONFIG_EMBEDDED6xx=y
# CONFIG_APUS is not set
CONFIG_MPIC=y
# CONFIG_PPC_RTAS is not set
# CONFIG_MMIO_NVRAM is not set
# CONFIG_PPC_MPC106 is not set
# CONFIG_PPC_970_NAP is not set
# CONFIG_CPU_FREQ is not set
# CONFIG_TAU is not set
# CONFIG_KATANA is not set
# CONFIG_WILLOW is not set
# CONFIG_CPCI690 is not set
# CONFIG_POWERPMC250 is not set
# CONFIG_CHESTNUT is not set
# CONFIG_SPRUCE is not set
# CONFIG_HDPU is not set
# CONFIG_EV64260 is not set
# CONFIG_LOPEC is not set
# CONFIG_MVME5100 is not set
# CONFIG_PPLUS is not set
# CONFIG_PRPMC750 is not set
# CONFIG_PRPMC800 is not set
# CONFIG_SANDPOINT is not set
CONFIG_MPC7448HPC2=y
# CONFIG_RADSTONE_PPC7D is not set
# CONFIG_PAL4 is not set
# CONFIG_GEMINI is not set
# CONFIG_EST8260 is not set
# CONFIG_SBC82xx is not set
# CONFIG_SBS8260 is not set
# CONFIG_RPX8260 is not set
# CONFIG_TQM8260 is not set
# CONFIG_ADS8272 is not set
# CONFIG_PQ2FADS is not set
# CONFIG_LITE5200 is not set
# CONFIG_EV64360 is not set
CONFIG_TSI108_BRIDGE=y
# CONFIG_WANT_EARLY_SERIAL is not set
#
# Kernel options
#
# CONFIG_HIGHMEM is not set
# CONFIG_HZ_100 is not set
CONFIG_HZ_250=y
# CONFIG_HZ_1000 is not set
CONFIG_HZ=250
CONFIG_PREEMPT_NONE=y
# CONFIG_PREEMPT_VOLUNTARY is not set
# CONFIG_PREEMPT is not set
CONFIG_BINFMT_ELF=y
CONFIG_BINFMT_MISC=y
CONFIG_ARCH_FLATMEM_ENABLE=y
CONFIG_SELECT_MEMORY_MODEL=y
CONFIG_FLATMEM_MANUAL=y
# CONFIG_DISCONTIGMEM_MANUAL is not set
# CONFIG_SPARSEMEM_MANUAL is not set
CONFIG_FLATMEM=y
CONFIG_FLAT_NODE_MEM_MAP=y
# CONFIG_SPARSEMEM_STATIC is not set
CONFIG_SPLIT_PTLOCK_CPUS=4
CONFIG_PROC_DEVICETREE=y
# CONFIG_CMDLINE_BOOL is not set
# CONFIG_PM is not set
# CONFIG_SOFTWARE_SUSPEND is not set
# CONFIG_SECCOMP is not set
CONFIG_ISA_DMA_API=y
#
# Bus options
#
CONFIG_GENERIC_ISA_DMA=y
# CONFIG_PPC_I8259 is not set
# CONFIG_PPC_INDIRECT_PCI is not set
CONFIG_PCI=y
CONFIG_PCI_DOMAINS=y
#
# PCCARD (PCMCIA/CardBus) support
#
# CONFIG_PCCARD is not set
#
# PCI Hotplug Support
#
# CONFIG_HOTPLUG_PCI is not set
#
# Advanced setup
#
# CONFIG_ADVANCED_OPTIONS is not set
#
# Default settings for advanced configuration options are used
#
CONFIG_HIGHMEM_START=0xfe000000
CONFIG_LOWMEM_SIZE=0x30000000
CONFIG_KERNEL_START=0xc0000000
CONFIG_TASK_SIZE=0x80000000
CONFIG_BOOT_LOAD=0x00800000
#
# Networking
#
CONFIG_NET=y
#
# Networking options
#
# CONFIG_NETDEBUG is not set
CONFIG_PACKET=y
# CONFIG_PACKET_MMAP is not set
CONFIG_UNIX=y
# CONFIG_NET_KEY is not set
CONFIG_INET=y
CONFIG_IP_MULTICAST=y
# CONFIG_IP_ADVANCED_ROUTER is not set
CONFIG_IP_FIB_HASH=y
CONFIG_IP_PNP=y
CONFIG_IP_PNP_DHCP=y
CONFIG_IP_PNP_BOOTP=y
# CONFIG_IP_PNP_RARP is not set
# CONFIG_NET_IPIP is not set
# CONFIG_NET_IPGRE is not set
# CONFIG_IP_MROUTE is not set
# CONFIG_ARPD is not set
CONFIG_SYN_COOKIES=y
# CONFIG_INET_AH is not set
# CONFIG_INET_ESP is not set
# CONFIG_INET_IPCOMP is not set
# CONFIG_INET_XFRM_TUNNEL is not set
# CONFIG_INET_TUNNEL is not set
CONFIG_INET_DIAG=y
CONFIG_INET_TCP_DIAG=y
# CONFIG_TCP_CONG_ADVANCED is not set
CONFIG_TCP_CONG_BIC=y
# CONFIG_IPV6 is not set
# CONFIG_INET6_XFRM_TUNNEL is not set
# CONFIG_INET6_TUNNEL is not set
# CONFIG_NETFILTER is not set
#
# DCCP Configuration (EXPERIMENTAL)
#
# CONFIG_IP_DCCP is not set
#
# SCTP Configuration (EXPERIMENTAL)
#
# CONFIG_IP_SCTP is not set
#
# TIPC Configuration (EXPERIMENTAL)
#
# CONFIG_TIPC is not set
# CONFIG_ATM is not set
# CONFIG_BRIDGE is not set
# CONFIG_VLAN_8021Q is not set
# CONFIG_DECNET is not set
# CONFIG_LLC2 is not set
# CONFIG_IPX is not set
# CONFIG_ATALK is not set
# CONFIG_X25 is not set
# CONFIG_LAPB is not set
# CONFIG_NET_DIVERT is not set
# CONFIG_ECONET is not set
# CONFIG_WAN_ROUTER is not set
#
# QoS and/or fair queueing
#
# CONFIG_NET_SCHED is not set
#
# Network testing
#
# CONFIG_NET_PKTGEN is not set
# CONFIG_HAMRADIO is not set
# CONFIG_IRDA is not set
# CONFIG_BT is not set
# CONFIG_IEEE80211 is not set
#
# Device Drivers
#
#
# Generic Driver Options
#
CONFIG_STANDALONE=y
CONFIG_PREVENT_FIRMWARE_BUILD=y
# CONFIG_FW_LOADER is not set
#
# Connector - unified userspace <-> kernelspace linker
#
# CONFIG_CONNECTOR is not set
#
# Memory Technology Devices (MTD)
#
# CONFIG_MTD is not set
#
# Parallel port support
#
# CONFIG_PARPORT is not set
#
# Plug and Play support
#
#
# Block devices
#
# CONFIG_BLK_DEV_FD is not set
# CONFIG_BLK_CPQ_DA is not set
# CONFIG_BLK_CPQ_CISS_DA is not set
# CONFIG_BLK_DEV_DAC960 is not set
# CONFIG_BLK_DEV_UMEM is not set
# CONFIG_BLK_DEV_COW_COMMON is not set
CONFIG_BLK_DEV_LOOP=y
# CONFIG_BLK_DEV_CRYPTOLOOP is not set
# CONFIG_BLK_DEV_NBD is not set
# CONFIG_BLK_DEV_SX8 is not set
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_RAM_COUNT=16
CONFIG_BLK_DEV_RAM_SIZE=131072
CONFIG_BLK_DEV_INITRD=y
# CONFIG_CDROM_PKTCDVD is not set
# CONFIG_ATA_OVER_ETH is not set
#
# ATA/ATAPI/MFM/RLL support
#
# CONFIG_IDE is not set
#
# SCSI device support
#
# CONFIG_RAID_ATTRS is not set
CONFIG_SCSI=y
CONFIG_SCSI_PROC_FS=y
#
# SCSI support type (disk, tape, CD-ROM)
#
CONFIG_BLK_DEV_SD=y
# CONFIG_CHR_DEV_ST is not set
# CONFIG_CHR_DEV_OSST is not set
# CONFIG_BLK_DEV_SR is not set
# CONFIG_CHR_DEV_SG is not set
# CONFIG_CHR_DEV_SCH is not set
#
# Some SCSI devices (e.g. CD jukebox) support multiple LUNs
#
# CONFIG_SCSI_MULTI_LUN is not set
# CONFIG_SCSI_CONSTANTS is not set
# CONFIG_SCSI_LOGGING is not set
#
# SCSI Transport Attributes
#
# CONFIG_SCSI_SPI_ATTRS is not set
# CONFIG_SCSI_FC_ATTRS is not set
# CONFIG_SCSI_ISCSI_ATTRS is not set
# CONFIG_SCSI_SAS_ATTRS is not set
#
# SCSI low-level drivers
#
# CONFIG_ISCSI_TCP is not set
# CONFIG_BLK_DEV_3W_XXXX_RAID is not set
# CONFIG_SCSI_3W_9XXX is not set
# CONFIG_SCSI_ACARD is not set
# CONFIG_SCSI_AACRAID is not set
# CONFIG_SCSI_AIC7XXX is not set
# CONFIG_SCSI_AIC7XXX_OLD is not set
# CONFIG_SCSI_AIC79XX is not set
# CONFIG_SCSI_DPT_I2O is not set
# CONFIG_MEGARAID_NEWGEN is not set
# CONFIG_MEGARAID_LEGACY is not set
# CONFIG_MEGARAID_SAS is not set
CONFIG_SCSI_SATA=y
# CONFIG_SCSI_SATA_AHCI is not set
# CONFIG_SCSI_SATA_SVW is not set
# CONFIG_SCSI_ATA_PIIX is not set
CONFIG_SCSI_SATA_MV=y
# CONFIG_SCSI_SATA_NV is not set
# CONFIG_SCSI_PDC_ADMA is not set
# CONFIG_SCSI_SATA_QSTOR is not set
# CONFIG_SCSI_SATA_PROMISE is not set
# CONFIG_SCSI_SATA_SX4 is not set
# CONFIG_SCSI_SATA_SIL is not set
# CONFIG_SCSI_SATA_SIL24 is not set
# CONFIG_SCSI_SATA_SIS is not set
# CONFIG_SCSI_SATA_ULI is not set
# CONFIG_SCSI_SATA_VIA is not set
# CONFIG_SCSI_SATA_VITESSE is not set
# CONFIG_SCSI_BUSLOGIC is not set
# CONFIG_SCSI_DMX3191D is not set
# CONFIG_SCSI_EATA is not set
# CONFIG_SCSI_FUTURE_DOMAIN is not set
# CONFIG_SCSI_GDTH is not set
# CONFIG_SCSI_IPS is not set
# CONFIG_SCSI_INITIO is not set
# CONFIG_SCSI_INIA100 is not set
# CONFIG_SCSI_SYM53C8XX_2 is not set
# CONFIG_SCSI_IPR is not set
# CONFIG_SCSI_QLOGIC_1280 is not set
# CONFIG_SCSI_QLA_FC is not set
# CONFIG_SCSI_LPFC is not set
# CONFIG_SCSI_DC395x is not set
# CONFIG_SCSI_DC390T is not set
# CONFIG_SCSI_NSP32 is not set
# CONFIG_SCSI_DEBUG is not set
#
# Multi-device support (RAID and LVM)
#
# CONFIG_MD is not set
#
# Fusion MPT device support
#
# CONFIG_FUSION is not set
# CONFIG_FUSION_SPI is not set
# CONFIG_FUSION_FC is not set
# CONFIG_FUSION_SAS is not set
#
# IEEE 1394 (FireWire) support
#
# CONFIG_IEEE1394 is not set
#
# I2O device support
#
# CONFIG_I2O is not set
#
# Macintosh device drivers
#
# CONFIG_WINDFARM is not set
#
# Network device support
#
CONFIG_NETDEVICES=y
# CONFIG_DUMMY is not set
# CONFIG_BONDING is not set
# CONFIG_EQUALIZER is not set
# CONFIG_TUN is not set
#
# ARCnet devices
#
# CONFIG_ARCNET is not set
#
# PHY device support
#
CONFIG_PHYLIB=y
#
# MII PHY device drivers
#
# CONFIG_MARVELL_PHY is not set
# CONFIG_DAVICOM_PHY is not set
# CONFIG_QSEMI_PHY is not set
# CONFIG_LXT_PHY is not set
# CONFIG_CICADA_PHY is not set
#
# Ethernet (10 or 100Mbit)
#
CONFIG_NET_ETHERNET=y
CONFIG_MII=y
# CONFIG_HAPPYMEAL is not set
# CONFIG_SUNGEM is not set
# CONFIG_CASSINI is not set
# CONFIG_NET_VENDOR_3COM is not set
#
# Tulip family network device support
#
# CONFIG_NET_TULIP is not set
# CONFIG_HP100 is not set
CONFIG_NET_PCI=y
# CONFIG_PCNET32 is not set
# CONFIG_AMD8111_ETH is not set
# CONFIG_ADAPTEC_STARFIRE is not set
# CONFIG_B44 is not set
# CONFIG_FORCEDETH is not set
# CONFIG_DGRS is not set
# CONFIG_EEPRO100 is not set
CONFIG_E100=y
# CONFIG_FEALNX is not set
# CONFIG_NATSEMI is not set
# CONFIG_NE2K_PCI is not set
# CONFIG_8139CP is not set
CONFIG_8139TOO=y
# CONFIG_8139TOO_PIO is not set
# CONFIG_8139TOO_TUNE_TWISTER is not set
# CONFIG_8139TOO_8129 is not set
# CONFIG_8139_OLD_RX_RESET is not set
# CONFIG_SIS900 is not set
# CONFIG_EPIC100 is not set
# CONFIG_SUNDANCE is not set
# CONFIG_TLAN is not set
# CONFIG_VIA_RHINE is not set
#
# Ethernet (1000 Mbit)
#
# CONFIG_ACENIC is not set
# CONFIG_DL2K is not set
# CONFIG_E1000 is not set
# CONFIG_NS83820 is not set
# CONFIG_HAMACHI is not set
# CONFIG_YELLOWFIN is not set
# CONFIG_R8169 is not set
# CONFIG_SIS190 is not set
# CONFIG_SKGE is not set
# CONFIG_SKY2 is not set
# CONFIG_SK98LIN is not set
# CONFIG_VIA_VELOCITY is not set
# CONFIG_TIGON3 is not set
# CONFIG_BNX2 is not set
CONFIG_TSI108_ETH=y
#
# Ethernet (10000 Mbit)
#
# CONFIG_CHELSIO_T1 is not set
# CONFIG_IXGB is not set
# CONFIG_S2IO is not set
#
# Token Ring devices
#
# CONFIG_TR is not set
#
# Wireless LAN (non-hamradio)
#
# CONFIG_NET_RADIO is not set
#
# Wan interfaces
#
# CONFIG_WAN is not set
# CONFIG_FDDI is not set
# CONFIG_HIPPI is not set
# CONFIG_PPP is not set
# CONFIG_SLIP is not set
# CONFIG_NET_FC is not set
# CONFIG_SHAPER is not set
# CONFIG_NETCONSOLE is not set
# CONFIG_NETPOLL is not set
# CONFIG_NET_POLL_CONTROLLER is not set
#
# ISDN subsystem
#
# CONFIG_ISDN is not set
#
# Telephony Support
#
# CONFIG_PHONE is not set
#
# Input device support
#
CONFIG_INPUT=y
#
# Userland interfaces
#
# CONFIG_INPUT_MOUSEDEV is not set
# CONFIG_INPUT_JOYDEV is not set
# CONFIG_INPUT_TSDEV is not set
# CONFIG_INPUT_EVDEV is not set
# CONFIG_INPUT_EVBUG is not set
#
# Input Device Drivers
#
# CONFIG_INPUT_KEYBOARD is not set
# CONFIG_INPUT_MOUSE is not set
# CONFIG_INPUT_JOYSTICK is not set
# CONFIG_INPUT_TOUCHSCREEN is not set
# CONFIG_INPUT_MISC is not set
#
# Hardware I/O ports
#
# CONFIG_SERIO is not set
# CONFIG_GAMEPORT is not set
#
# Character devices
#
# CONFIG_VT is not set
# CONFIG_SERIAL_NONSTANDARD is not set
#
# Serial drivers
#
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_SERIAL_8250_PCI=y
CONFIG_SERIAL_8250_NR_UARTS=4
CONFIG_SERIAL_8250_RUNTIME_UARTS=4
# CONFIG_SERIAL_8250_EXTENDED is not set
#
# Non-8250 serial port support
#
CONFIG_SERIAL_CORE=y
CONFIG_SERIAL_CORE_CONSOLE=y
# CONFIG_SERIAL_JSM is not set
CONFIG_UNIX98_PTYS=y
CONFIG_LEGACY_PTYS=y
CONFIG_LEGACY_PTY_COUNT=256
#
# IPMI
#
# CONFIG_IPMI_HANDLER is not set
#
# Watchdog Cards
#
# CONFIG_WATCHDOG is not set
# CONFIG_NVRAM is not set
CONFIG_GEN_RTC=y
# CONFIG_GEN_RTC_X is not set
# CONFIG_DTLK is not set
# CONFIG_R3964 is not set
# CONFIG_APPLICOM is not set
#
# Ftape, the floppy tape device driver
#
# CONFIG_AGP is not set
# CONFIG_DRM is not set
# CONFIG_RAW_DRIVER is not set
#
# TPM devices
#
# CONFIG_TCG_TPM is not set
# CONFIG_TELCLOCK is not set
#
# I2C support
#
# CONFIG_I2C is not set
#
# SPI support
#
# CONFIG_SPI is not set
# CONFIG_SPI_MASTER is not set
#
# Dallas's 1-wire bus
#
# CONFIG_W1 is not set
#
# Hardware Monitoring support
#
CONFIG_HWMON=y
# CONFIG_HWMON_VID is not set
# CONFIG_SENSORS_F71805F is not set
# CONFIG_HWMON_DEBUG_CHIP is not set
#
# Misc devices
#
#
# Multimedia devices
#
# CONFIG_VIDEO_DEV is not set
#
# Digital Video Broadcasting Devices
#
# CONFIG_DVB is not set
#
# Graphics support
#
# CONFIG_FB is not set
#
# Sound
#
# CONFIG_SOUND is not set
#
# USB support
#
CONFIG_USB_ARCH_HAS_HCD=y
CONFIG_USB_ARCH_HAS_OHCI=y
CONFIG_USB_ARCH_HAS_EHCI=y
# CONFIG_USB is not set
#
# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
#
#
# USB Gadget Support
#
# CONFIG_USB_GADGET is not set
#
# MMC/SD Card support
#
# CONFIG_MMC is not set
#
# LED devices
#
# CONFIG_NEW_LEDS is not set
#
# LED drivers
#
#
# LED Triggers
#
#
# InfiniBand support
#
# CONFIG_INFINIBAND is not set
#
# EDAC - error detection and reporting (RAS) (EXPERIMENTAL)
#
#
# Real Time Clock
#
# CONFIG_RTC_CLASS is not set
#
# File systems
#
CONFIG_EXT2_FS=y
# CONFIG_EXT2_FS_XATTR is not set
# CONFIG_EXT2_FS_XIP is not set
CONFIG_EXT3_FS=y
CONFIG_EXT3_FS_XATTR=y
# CONFIG_EXT3_FS_POSIX_ACL is not set
# CONFIG_EXT3_FS_SECURITY is not set
CONFIG_JBD=y
# CONFIG_JBD_DEBUG is not set
CONFIG_FS_MBCACHE=y
# CONFIG_REISERFS_FS is not set
# CONFIG_JFS_FS is not set
# CONFIG_FS_POSIX_ACL is not set
# CONFIG_XFS_FS is not set
# CONFIG_OCFS2_FS is not set
# CONFIG_MINIX_FS is not set
# CONFIG_ROMFS_FS is not set
CONFIG_INOTIFY=y
# CONFIG_QUOTA is not set
CONFIG_DNOTIFY=y
# CONFIG_AUTOFS_FS is not set
# CONFIG_AUTOFS4_FS is not set
# CONFIG_FUSE_FS is not set
#
# CD-ROM/DVD Filesystems
#
# CONFIG_ISO9660_FS is not set
# CONFIG_UDF_FS is not set
#
# DOS/FAT/NT Filesystems
#
# CONFIG_MSDOS_FS is not set
# CONFIG_VFAT_FS is not set
# CONFIG_NTFS_FS is not set
#
# Pseudo filesystems
#
CONFIG_PROC_FS=y
CONFIG_PROC_KCORE=y
CONFIG_SYSFS=y
CONFIG_TMPFS=y
# CONFIG_HUGETLB_PAGE is not set
CONFIG_RAMFS=y
# CONFIG_CONFIGFS_FS is not set
#
# Miscellaneous filesystems
#
# CONFIG_ADFS_FS is not set
# CONFIG_AFFS_FS is not set
# CONFIG_HFS_FS is not set
# CONFIG_HFSPLUS_FS is not set
# CONFIG_BEFS_FS is not set
# CONFIG_BFS_FS is not set
# CONFIG_EFS_FS is not set
# CONFIG_CRAMFS is not set
# CONFIG_VXFS_FS is not set
# CONFIG_HPFS_FS is not set
# CONFIG_QNX4FS_FS is not set
# CONFIG_SYSV_FS is not set
# CONFIG_UFS_FS is not set
#
# Network File Systems
#
CONFIG_NFS_FS=y
# CONFIG_NFS_V3 is not set
# CONFIG_NFS_V4 is not set
# CONFIG_NFS_DIRECTIO is not set
# CONFIG_NFSD is not set
CONFIG_ROOT_NFS=y
CONFIG_LOCKD=y
CONFIG_NFS_COMMON=y
CONFIG_SUNRPC=y
# CONFIG_RPCSEC_GSS_KRB5 is not set
# CONFIG_RPCSEC_GSS_SPKM3 is not set
# CONFIG_SMB_FS is not set
# CONFIG_CIFS is not set
# CONFIG_NCP_FS is not set
# CONFIG_CODA_FS is not set
# CONFIG_AFS_FS is not set
# CONFIG_9P_FS is not set
#
# Partition Types
#
CONFIG_PARTITION_ADVANCED=y
# CONFIG_ACORN_PARTITION is not set
# CONFIG_OSF_PARTITION is not set
# CONFIG_AMIGA_PARTITION is not set
# CONFIG_ATARI_PARTITION is not set
# CONFIG_MAC_PARTITION is not set
CONFIG_MSDOS_PARTITION=y
# CONFIG_BSD_DISKLABEL is not set
# CONFIG_MINIX_SUBPARTITION is not set
# CONFIG_SOLARIS_X86_PARTITION is not set
# CONFIG_UNIXWARE_DISKLABEL is not set
# CONFIG_LDM_PARTITION is not set
# CONFIG_SGI_PARTITION is not set
# CONFIG_ULTRIX_PARTITION is not set
# CONFIG_SUN_PARTITION is not set
# CONFIG_KARMA_PARTITION is not set
# CONFIG_EFI_PARTITION is not set
#
# Native Language Support
#
# CONFIG_NLS is not set
#
# Library routines
#
# CONFIG_CRC_CCITT is not set
# CONFIG_CRC16 is not set
CONFIG_CRC32=y
# CONFIG_LIBCRC32C is not set
#
# Instrumentation Support
#
# CONFIG_PROFILING is not set
#
# Kernel hacking
#
# CONFIG_PRINTK_TIME is not set
# CONFIG_MAGIC_SYSRQ is not set
# CONFIG_DEBUG_KERNEL is not set
CONFIG_LOG_BUF_SHIFT=14
# CONFIG_DEBUG_FS is not set
# CONFIG_UNWIND_INFO is not set
# CONFIG_BOOTX_TEXT is not set
# CONFIG_SERIAL_TEXT_DEBUG is not set
# CONFIG_PPC_EARLY_DEBUG_LPAR is not set
# CONFIG_PPC_EARLY_DEBUG_G5 is not set
# CONFIG_PPC_EARLY_DEBUG_RTAS is not set
# CONFIG_PPC_EARLY_DEBUG_MAPLE is not set
# CONFIG_PPC_EARLY_DEBUG_ISERIES is not set
#
# Security options
#
# CONFIG_KEYS is not set
# CONFIG_SECURITY is not set
#
# Cryptographic options
#
# CONFIG_CRYPTO is not set
#
# Hardware crypto devices
#

3
arch/powerpc/kernel/Makefile
View file

@ -50,7 +50,8 @@ extra-$(CONFIG_FSL_BOOKE) := head_fsl_booke.o
extra-$(CONFIG_8xx) := head_8xx.o
extra-y += vmlinux.lds
obj-y += time.o prom.o traps.o setup-common.o udbg.o
obj-y += time.o prom.o traps.o setup-common.o \
udbg.o misc.o
obj-$(CONFIG_PPC32) += entry_32.o setup_32.o misc_32.o
obj-$(CONFIG_PPC64) += misc_64.o dma_64.o iommu.o
obj-$(CONFIG_PPC_MULTIPLATFORM) += prom_init.o

14
arch/powerpc/kernel/cpu_setup_power4.S
View file

@ -125,7 +125,12 @@ _GLOBAL(__save_cpu_setup)
cmpwi r0,0x44
bne 2f
1: /* Save HID0,1,4 and 5 */
1: /* skip if not running in HV mode */
mfmsr r0
rldicl. r0,r0,4,63
beq 2f
/* Save HID0,1,4 and 5 */
mfspr r3,SPRN_HID0
std r3,CS_HID0(r5)
mfspr r3,SPRN_HID1
@ -159,7 +164,12 @@ _GLOBAL(__restore_cpu_setup)
cmpwi r0,0x44
bnelr
1: /* Before accessing memory, we make sure rm_ci is clear */
1: /* skip if not running in HV mode */
mfmsr r0
rldicl. r0,r0,4,63
beqlr
/* Before accessing memory, we make sure rm_ci is clear */
li r0,0
mfspr r3,SPRN_HID4
rldimi r3,r0,40,23 /* clear bit 23 (rm_ci) */

12
arch/powerpc/kernel/cputable.c
View file

@ -722,18 +722,6 @@ struct cpu_spec cpu_specs[] = {
.oprofile_type = PPC_OPROFILE_G4,
.platform = "ppc7450",
},
{ /* 8641 */
.pvr_mask = 0xffffffff,
.pvr_value = 0x80040010,
.cpu_name = "8641",
.cpu_features = CPU_FTRS_7447A,
.cpu_user_features = COMMON_USER | PPC_FEATURE_HAS_ALTIVEC_COMP,
.icache_bsize = 32,
.dcache_bsize = 32,
.num_pmcs = 6,
.cpu_setup = __setup_cpu_745x
},
{ /* 82xx (8240, 8245, 8260 are all 603e cores) */
.pvr_mask = 0x7fff0000,
.pvr_value = 0x00810000,

147
arch/powerpc/kernel/crash.c
View file

@ -24,9 +24,11 @@
#include <linux/init.h>
#include <linux/irq.h>
#include <linux/types.h>
#include <linux/irq.h>
#include <asm/processor.h>
#include <asm/machdep.h>
#include <asm/kexec.h>
#include <asm/kdump.h>
#include <asm/lmb.h>
#include <asm/firmware.h>
@ -41,6 +43,7 @@
/* This keeps a track of which one is crashing cpu. */
int crashing_cpu = -1;
static cpumask_t cpus_in_crash = CPU_MASK_NONE;
static u32 *append_elf_note(u32 *buf, char *name, unsigned type, void *data,
size_t data_len)
@ -98,34 +101,66 @@ static void crash_save_this_cpu(struct pt_regs *regs, int cpu)
}
#ifdef CONFIG_SMP
static atomic_t waiting_for_crash_ipi;
static atomic_t enter_on_soft_reset = ATOMIC_INIT(0);
void crash_ipi_callback(struct pt_regs *regs)
{
int cpu = smp_processor_id();
if (cpu == crashing_cpu)
return;
if (!cpu_online(cpu))
return;
local_irq_disable();
if (!cpu_isset(cpu, cpus_in_crash))
crash_save_this_cpu(regs, cpu);
cpu_set(cpu, cpus_in_crash);
/*
* Entered via soft-reset - could be the kdump
* process is invoked using soft-reset or user activated
* it if some CPU did not respond to an IPI.
* For soft-reset, the secondary CPU can enter this func
* twice. 1 - using IPI, and 2. soft-reset.
* Tell the kexec CPU that entered via soft-reset and ready
* to go down.
*/
if (cpu_isset(cpu, cpus_in_sr)) {
cpu_clear(cpu, cpus_in_sr);
atomic_inc(&enter_on_soft_reset);
}
/*
* Starting the kdump boot.
* This barrier is needed to make sure that all CPUs are stopped.
* If not, soft-reset will be invoked to bring other CPUs.
*/
while (!cpu_isset(crashing_cpu, cpus_in_crash))
cpu_relax();
if (ppc_md.kexec_cpu_down)
ppc_md.kexec_cpu_down(1, 1);
local_irq_disable();
crash_save_this_cpu(regs, cpu);
atomic_dec(&waiting_for_crash_ipi);
kexec_smp_wait();
/* NOTREACHED */
}
static void crash_kexec_prepare_cpus(void)
/*
* Wait until all CPUs are entered via soft-reset.
*/
static void crash_soft_reset_check(int cpu)
{
unsigned int ncpus = num_online_cpus() - 1;/* Excluding the panic cpu */
cpu_clear(cpu, cpus_in_sr);
while (atomic_read(&enter_on_soft_reset) != ncpus)
cpu_relax();
}
static void crash_kexec_prepare_cpus(int cpu)
{
unsigned int msecs;
atomic_set(&waiting_for_crash_ipi, num_online_cpus() - 1);
unsigned int ncpus = num_online_cpus() - 1;/* Excluding the panic cpu */
crash_send_ipi(crash_ipi_callback);
smp_wmb();
@ -133,14 +168,13 @@ static void crash_kexec_prepare_cpus(void)
/*
* FIXME: Until we will have the way to stop other CPUSs reliabally,
* the crash CPU will send an IPI and wait for other CPUs to
* respond. If not, proceed the kexec boot even though we failed to
* capture other CPU states.
* respond.
* Delay of at least 10 seconds.
*/
printk(KERN_ALERT "Sending IPI to other cpus...\n");
printk(KERN_EMERG "Sending IPI to other cpus...\n");
msecs = 10000;
while ((atomic_read(&waiting_for_crash_ipi) > 0) && (--msecs > 0)) {
barrier();
while ((cpus_weight(cpus_in_crash) < ncpus) && (--msecs > 0)) {
cpu_relax();
mdelay(1);
}
@ -149,18 +183,71 @@ static void crash_kexec_prepare_cpus(void)
/*
* FIXME: In case if we do not get all CPUs, one possibility: ask the
* user to do soft reset such that we get all.
* IPI handler is already set by the panic cpu initially. Therefore,
* all cpus could invoke this handler from die() and the panic CPU
* will call machine_kexec() directly from this handler to do
* kexec boot.
* Soft-reset will be used until better mechanism is implemented.
*/
if (atomic_read(&waiting_for_crash_ipi))
printk(KERN_ALERT "done waiting: %d cpus not responding\n",
atomic_read(&waiting_for_crash_ipi));
if (cpus_weight(cpus_in_crash) < ncpus) {
printk(KERN_EMERG "done waiting: %d cpu(s) not responding\n",
ncpus - cpus_weight(cpus_in_crash));
printk(KERN_EMERG "Activate soft-reset to stop other cpu(s)\n");
cpus_in_sr = CPU_MASK_NONE;
atomic_set(&enter_on_soft_reset, 0);
while (cpus_weight(cpus_in_crash) < ncpus)
cpu_relax();
}
/*
* Make sure all CPUs are entered via soft-reset if the kdump is
* invoked using soft-reset.
*/
if (cpu_isset(cpu, cpus_in_sr))
crash_soft_reset_check(cpu);
/* Leave the IPI callback set */
}
/*
* This function will be called by secondary cpus or by kexec cpu
* if soft-reset is activated to stop some CPUs.
*/
void crash_kexec_secondary(struct pt_regs *regs)
{
int cpu = smp_processor_id();
unsigned long flags;
int msecs = 5;
local_irq_save(flags);
/* Wait 5ms if the kexec CPU is not entered yet. */
while (crashing_cpu < 0) {
if (--msecs < 0) {
/*
* Either kdump image is not loaded or
* kdump process is not started - Probably xmon
* exited using 'x'(exit and recover) or
* kexec_should_crash() failed for all running tasks.
*/
cpu_clear(cpu, cpus_in_sr);
local_irq_restore(flags);
return;
}
mdelay(1);
cpu_relax();
}
if (cpu == crashing_cpu) {
/*
* Panic CPU will enter this func only via soft-reset.
* Wait until all secondary CPUs entered and
* then start kexec boot.
*/
crash_soft_reset_check(cpu);
cpu_set(crashing_cpu, cpus_in_crash);
if (ppc_md.kexec_cpu_down)
ppc_md.kexec_cpu_down(1, 0);
machine_kexec(kexec_crash_image);
/* NOTREACHED */
}
crash_ipi_callback(regs);
}
#else
static void crash_kexec_prepare_cpus(void)
static void crash_kexec_prepare_cpus(int cpu)
{
/*
* move the secondarys to us so that we can copy
@ -171,6 +258,10 @@ static void crash_kexec_prepare_cpus(void)
smp_release_cpus();
}
void crash_kexec_secondary(struct pt_regs *regs)
{
cpus_in_sr = CPU_MASK_NONE;
}
#endif
void default_machine_crash_shutdown(struct pt_regs *regs)
@ -199,14 +290,14 @@ void default_machine_crash_shutdown(struct pt_regs *regs)
desc->chip->disable(irq);
}
if (ppc_md.kexec_cpu_down)
ppc_md.kexec_cpu_down(1, 0);
/*
* Make a note of crashing cpu. Will be used in machine_kexec
* such that another IPI will not be sent.
*/
crashing_cpu = smp_processor_id();
crash_kexec_prepare_cpus();
crash_save_this_cpu(regs, crashing_cpu);
crash_kexec_prepare_cpus(crashing_cpu);
cpu_set(crashing_cpu, cpus_in_crash);
if (ppc_md.kexec_cpu_down)
ppc_md.kexec_cpu_down(1, 0);
}

62
arch/powerpc/kernel/head_64.S
View file

@ -85,34 +85,6 @@ END_FTR_SECTION(0, 1)
/* Catch branch to 0 in real mode */
trap
#ifdef CONFIG_PPC_ISERIES
/*
* At offset 0x20, there is a pointer to iSeries LPAR data.
* This is required by the hypervisor
*/
. = 0x20
.llong hvReleaseData-KERNELBASE
/*
* At offset 0x28 and 0x30 are offsets to the mschunks_map
* array (used by the iSeries LPAR debugger to do translation
* between physical addresses and absolute addresses) and
* to the pidhash table (also used by the debugger)
*/
.llong mschunks_map-KERNELBASE
.llong 0 /* pidhash-KERNELBASE SFRXXX */
/* Offset 0x38 - Pointer to start of embedded System.map */
.globl embedded_sysmap_start
embedded_sysmap_start:
.llong 0
/* Offset 0x40 - Pointer to end of embedded System.map */
.globl embedded_sysmap_end
embedded_sysmap_end:
.llong 0
#endif /* CONFIG_PPC_ISERIES */
/* Secondary processors spin on this value until it goes to 1. */
.globl __secondary_hold_spinloop
__secondary_hold_spinloop:
@ -124,6 +96,15 @@ __secondary_hold_spinloop:
__secondary_hold_acknowledge:
.llong 0x0
#ifdef CONFIG_PPC_ISERIES
/*
* At offset 0x20, there is a pointer to iSeries LPAR data.
* This is required by the hypervisor
*/
. = 0x20
.llong hvReleaseData-KERNELBASE
#endif /* CONFIG_PPC_ISERIES */
. = 0x60
/*
* The following code is used on pSeries to hold secondary processors
@ -1602,9 +1583,6 @@ _GLOBAL(__start_initialization_multiplatform)
/* Setup some critical 970 SPRs before switching MMU off */
bl .__970_cpu_preinit
/* cpu # */
li r24,0
/* Switch off MMU if not already */
LOAD_REG_IMMEDIATE(r4, .__after_prom_start - KERNELBASE)
add r4,r4,r30
@ -1683,6 +1661,9 @@ _STATIC(__after_prom_start)
/* i.e. where we are running */
/* the source addr */
cmpdi r4,0 /* In some cases the loader may */
beq .start_here_multiplatform /* have already put us at zero */
/* so we can skip the copy. */
LOAD_REG_IMMEDIATE(r5,copy_to_here) /* # bytes of memory to copy */
sub r5,r5,r27
@ -1962,14 +1943,6 @@ _STATIC(start_here_common)
li r3,0
bl .do_cpu_ftr_fixups
LOAD_REG_IMMEDIATE(r26, boot_cpuid)
lwz r26,0(r26)
LOAD_REG_IMMEDIATE(r24, paca) /* Get base vaddr of paca array */
mulli r13,r26,PACA_SIZE /* Calculate vaddr of right paca */
add r13,r13,r24 /* for this processor. */
mtspr SPRN_SPRG3,r13
/* ptr to current */
LOAD_REG_IMMEDIATE(r4, init_task)
std r4,PACACURRENT(r13)
@ -1995,17 +1968,6 @@ _STATIC(start_here_common)
/* Not reached */
BUG_OPCODE
/* Put the paca pointer into r13 and SPRG3 */
_GLOBAL(setup_boot_paca)
LOAD_REG_IMMEDIATE(r3, boot_cpuid)
lwz r3,0(r3)
LOAD_REG_IMMEDIATE(r4, paca) /* Get base vaddr of paca array */
mulli r3,r3,PACA_SIZE /* Calculate vaddr of right paca */
add r13,r3,r4 /* for this processor. */
mtspr SPRN_SPRG3,r13
blr
/*
* We put a few things here that have to be page-aligned.
* This stuff goes at the beginning of the bss, which is page-aligned.

30
arch/powerpc/kernel/iommu.c
View file

@ -38,6 +38,7 @@
#include <asm/iommu.h>
#include <asm/pci-bridge.h>
#include <asm/machdep.h>
#include <asm/kdump.h>
#define DBG(...)
@ -440,8 +441,37 @@ struct iommu_table *iommu_init_table(struct iommu_table *tbl, int nid)
tbl->it_largehint = tbl->it_halfpoint;
spin_lock_init(&tbl->it_lock);
#ifdef CONFIG_CRASH_DUMP
if (ppc_md.tce_get) {
unsigned long index, tceval;
unsigned long tcecount = 0;
/*
* Reserve the existing mappings left by the first kernel.
*/
for (index = 0; index < tbl->it_size; index++) {
tceval = ppc_md.tce_get(tbl, index + tbl->it_offset);
/*
* Freed TCE entry contains 0x7fffffffffffffff on JS20
*/
if (tceval && (tceval != 0x7fffffffffffffffUL)) {
__set_bit(index, tbl->it_map);
tcecount++;
}
}
if ((tbl->it_size - tcecount) < KDUMP_MIN_TCE_ENTRIES) {
printk(KERN_WARNING "TCE table is full; ");
printk(KERN_WARNING "freeing %d entries for the kdump boot\n",
KDUMP_MIN_TCE_ENTRIES);
for (index = tbl->it_size - KDUMP_MIN_TCE_ENTRIES;
index < tbl->it_size; index++)
__clear_bit(index, tbl->it_map);
}
}
#else
/* Clear the hardware table in case firmware left allocations in it */
ppc_md.tce_free(tbl, tbl->it_offset, tbl->it_size);
#endif
if (!welcomed) {
printk(KERN_INFO "IOMMU table initialized, virtual merging %s\n",

11
arch/powerpc/kernel/legacy_serial.c
View file

@ -302,6 +302,17 @@ void __init find_legacy_serial_ports(void)
of_node_put(isa);
}
/* First fill our array with tsi-bridge ports */
for (np = NULL; (np = of_find_compatible_node(np, "serial", "ns16550")) != NULL;) {
struct device_node *tsi = of_get_parent(np);
if (tsi && !strcmp(tsi->type, "tsi-bridge")) {
index = add_legacy_soc_port(np, np);
if (index >= 0 && np == stdout)
legacy_serial_console = index;
}
of_node_put(tsi);
}
#ifdef CONFIG_PCI
/* Next, try to locate PCI ports */
for (np = NULL; (np = of_find_all_nodes(np));) {

147
arch/powerpc/kernel/lparcfg.c
View file

@ -45,11 +45,9 @@
static struct proc_dir_entry *proc_ppc64_lparcfg;
#define LPARCFG_BUFF_SIZE 4096
#ifdef CONFIG_PPC_ISERIES
/*
* For iSeries legacy systems, the PPA purr function is available from the
* emulated_time_base field in the paca.
* Track sum of all purrs across all processors. This is used to further
* calculate usage values by different applications
*/
static unsigned long get_purr(void)
{
@ -57,48 +55,31 @@ static unsigned long get_purr(void)
int cpu;
for_each_possible_cpu(cpu) {
sum_purr += lppaca[cpu].emulated_time_base;
if (firmware_has_feature(FW_FEATURE_ISERIES))
sum_purr += lppaca[cpu].emulated_time_base;
else {
struct cpu_usage *cu;
#ifdef PURR_DEBUG
printk(KERN_INFO "get_purr for cpu (%d) has value (%ld) \n",
cpu, lppaca[cpu].emulated_time_base);
#endif
cu = &per_cpu(cpu_usage_array, cpu);
sum_purr += cu->current_tb;
}
}
return sum_purr;
}
#define lparcfg_write NULL
#ifdef CONFIG_PPC_ISERIES
/*
* Methods used to fetch LPAR data when running on an iSeries platform.
*/
static int lparcfg_data(struct seq_file *m, void *v)
static int iseries_lparcfg_data(struct seq_file *m, void *v)
{
unsigned long pool_id, lp_index;
unsigned long pool_id;
int shared, entitled_capacity, max_entitled_capacity;
int processors, max_processors;
unsigned long purr = get_purr();
seq_printf(m, "%s %s \n", MODULE_NAME, MODULE_VERS);
shared = (int)(get_lppaca()->shared_proc);
seq_printf(m, "serial_number=%c%c%c%c%c%c%c\n",
e2a(xItExtVpdPanel.mfgID[2]),
e2a(xItExtVpdPanel.mfgID[3]),
e2a(xItExtVpdPanel.systemSerial[1]),
e2a(xItExtVpdPanel.systemSerial[2]),
e2a(xItExtVpdPanel.systemSerial[3]),
e2a(xItExtVpdPanel.systemSerial[4]),
e2a(xItExtVpdPanel.systemSerial[5]));
seq_printf(m, "system_type=%c%c%c%c\n",
e2a(xItExtVpdPanel.machineType[0]),
e2a(xItExtVpdPanel.machineType[1]),
e2a(xItExtVpdPanel.machineType[2]),
e2a(xItExtVpdPanel.machineType[3]));
lp_index = HvLpConfig_getLpIndex();
seq_printf(m, "partition_id=%d\n", (int)lp_index);
seq_printf(m, "system_active_processors=%d\n",
(int)HvLpConfig_getSystemPhysicalProcessors());
@ -137,6 +118,14 @@ static int lparcfg_data(struct seq_file *m, void *v)
return 0;
}
#else /* CONFIG_PPC_ISERIES */
static int iseries_lparcfg_data(struct seq_file *m, void *v)
{
return 0;
}
#endif /* CONFIG_PPC_ISERIES */
#ifdef CONFIG_PPC_PSERIES
@ -213,22 +202,6 @@ static void h_pic(unsigned long *pool_idle_time, unsigned long *num_procs)
log_plpar_hcall_return(rc, "H_PIC");
}
/* Track sum of all purrs across all processors. This is used to further */
/* calculate usage values by different applications */
static unsigned long get_purr(void)
{
unsigned long sum_purr = 0;
int cpu;
struct cpu_usage *cu;
for_each_possible_cpu(cpu) {
cu = &per_cpu(cpu_usage_array, cpu);
sum_purr += cu->current_tb;
}
return sum_purr;
}
#define SPLPAR_CHARACTERISTICS_TOKEN 20
#define SPLPAR_MAXLENGTH 1026*(sizeof(char))
@ -333,35 +306,13 @@ static int lparcfg_count_active_processors(void)
return count;
}
static int lparcfg_data(struct seq_file *m, void *v)
static int pseries_lparcfg_data(struct seq_file *m, void *v)
{
int partition_potential_processors;
int partition_active_processors;
struct device_node *rootdn;
const char *model = "";
const char *system_id = "";
unsigned int *lp_index_ptr, lp_index = 0;
struct device_node *rtas_node;
int *lrdrp = NULL;
rootdn = find_path_device("/");
if (rootdn) {
model = get_property(rootdn, "model", NULL);
system_id = get_property(rootdn, "system-id", NULL);
lp_index_ptr = (unsigned int *)
get_property(rootdn, "ibm,partition-no", NULL);
if (lp_index_ptr)
lp_index = *lp_index_ptr;
}
seq_printf(m, "%s %s \n", MODULE_NAME, MODULE_VERS);
seq_printf(m, "serial_number=%s\n", system_id);
seq_printf(m, "system_type=%s\n", model);
seq_printf(m, "partition_id=%d\n", (int)lp_index);
rtas_node = find_path_device("/rtas");
if (rtas_node)
lrdrp = (int *)get_property(rtas_node, "ibm,lrdr-capacity",
@ -549,8 +500,61 @@ out:
return retval;
}
#else /* CONFIG_PPC_PSERIES */
static int pseries_lparcfg_data(struct seq_file *m, void *v)
{
return 0;
}
static ssize_t lparcfg_write(struct file *file, const char __user * buf,
size_t count, loff_t * off)
{
return count;
}
#endif /* CONFIG_PPC_PSERIES */
static int lparcfg_data(struct seq_file *m, void *v)
{
struct device_node *rootdn;
const char *model = "";
const char *system_id = "";
const char *tmp;
unsigned int *lp_index_ptr, lp_index = 0;
seq_printf(m, "%s %s \n", MODULE_NAME, MODULE_VERS);
rootdn = find_path_device("/");
if (rootdn) {
tmp = get_property(rootdn, "model", NULL);
if (tmp) {
model = tmp;
/* Skip "IBM," - see platforms/iseries/dt.c */
if (firmware_has_feature(FW_FEATURE_ISERIES))
model += 4;
}
tmp = get_property(rootdn, "system-id", NULL);
if (tmp) {
system_id = tmp;
/* Skip "IBM," - see platforms/iseries/dt.c */
if (firmware_has_feature(FW_FEATURE_ISERIES))
system_id += 4;
}
lp_index_ptr = (unsigned int *)
get_property(rootdn, "ibm,partition-no", NULL);
if (lp_index_ptr)
lp_index = *lp_index_ptr;
}
seq_printf(m, "serial_number=%s\n", system_id);
seq_printf(m, "system_type=%s\n", model);
seq_printf(m, "partition_id=%d\n", (int)lp_index);
if (firmware_has_feature(FW_FEATURE_ISERIES))
return iseries_lparcfg_data(m, v);
return pseries_lparcfg_data(m, v);
}
static int lparcfg_open(struct inode *inode, struct file *file)
{
return single_open(file, lparcfg_data, NULL);
@ -569,7 +573,8 @@ int __init lparcfg_init(void)
mode_t mode = S_IRUSR | S_IRGRP | S_IROTH;
/* Allow writing if we have FW_FEATURE_SPLPAR */
if (firmware_has_feature(FW_FEATURE_SPLPAR)) {
if (firmware_has_feature(FW_FEATURE_SPLPAR) &&
!firmware_has_feature(FW_FEATURE_ISERIES)) {
lparcfg_fops.write = lparcfg_write;
mode |= S_IWUSR;
}

4
arch/powerpc/kernel/machine_kexec_64.c
View file

@ -378,11 +378,13 @@ static void __init export_crashk_values(void)
of_node_put(node);
}
void __init kexec_setup(void)
static int __init kexec_setup(void)
{
export_htab_values();
export_crashk_values();
return 0;
}
__initcall(kexec_setup);
static int __init early_parse_crashk(char *p)
{

203
arch/powerpc/kernel/misc.S Normal file
View file

@ -0,0 +1,203 @@
/*
* This file contains miscellaneous low-level functions.
* Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org)
*
* Largely rewritten by Cort Dougan (cort@cs.nmt.edu)
* and Paul Mackerras.
*
* Adapted for iSeries by Mike Corrigan (mikejc@us.ibm.com)
* PPC64 updates by Dave Engebretsen (engebret@us.ibm.com)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#include <asm/ppc_asm.h>
.text
#ifdef CONFIG_PPC64
#define IN_SYNC twi 0,r5,0; isync
#define EIEIO_32
#define SYNC_64 sync
#else /* CONFIG_PPC32 */
#define IN_SYNC
#define EIEIO_32 eieio
#define SYNC_64
#endif
/*
* Returns (address we are running at) - (address we were linked at)
* for use before the text and data are mapped to KERNELBASE.
*/
_GLOBAL(reloc_offset)
mflr r0
bl 1f
1: mflr r3
LOAD_REG_IMMEDIATE(r4,1b)
subf r3,r4,r3
mtlr r0
blr
/*
* add_reloc_offset(x) returns x + reloc_offset().
*/
_GLOBAL(add_reloc_offset)
mflr r0
bl 1f
1: mflr r5
LOAD_REG_IMMEDIATE(r4,1b)
subf r5,r4,r5
add r3,r3,r5
mtlr r0
blr
/*
* I/O string operations
*
* insb(port, buf, len)
* outsb(port, buf, len)
* insw(port, buf, len)
* outsw(port, buf, len)
* insl(port, buf, len)
* outsl(port, buf, len)
* insw_ns(port, buf, len)
* outsw_ns(port, buf, len)
* insl_ns(port, buf, len)
* outsl_ns(port, buf, len)
*
* The *_ns versions don't do byte-swapping.
*/
_GLOBAL(_insb)
cmpwi 0,r5,0
mtctr r5
subi r4,r4,1
blelr-
00: lbz r5,0(r3)
eieio
stbu r5,1(r4)
bdnz 00b
IN_SYNC
blr
_GLOBAL(_outsb)
cmpwi 0,r5,0
mtctr r5
subi r4,r4,1
blelr-
00: lbzu r5,1(r4)
stb r5,0(r3)
EIEIO_32
bdnz 00b
SYNC_64
blr
_GLOBAL(_insw)
cmpwi 0,r5,0
mtctr r5
subi r4,r4,2
blelr-
00: lhbrx r5,0,r3
eieio
sthu r5,2(r4)
bdnz 00b
IN_SYNC
blr
_GLOBAL(_outsw)
cmpwi 0,r5,0
mtctr r5
subi r4,r4,2
blelr-
00: lhzu r5,2(r4)
EIEIO_32
sthbrx r5,0,r3
bdnz 00b
SYNC_64
blr
_GLOBAL(_insl)
cmpwi 0,r5,0
mtctr r5
subi r4,r4,4
blelr-
00: lwbrx r5,0,r3
eieio
stwu r5,4(r4)
bdnz 00b
IN_SYNC
blr
_GLOBAL(_outsl)
cmpwi 0,r5,0
mtctr r5
subi r4,r4,4
blelr-
00: lwzu r5,4(r4)
stwbrx r5,0,r3
EIEIO_32
bdnz 00b
SYNC_64
blr
#ifdef CONFIG_PPC32
_GLOBAL(__ide_mm_insw)
#endif
_GLOBAL(_insw_ns)
cmpwi 0,r5,0
mtctr r5
subi r4,r4,2
blelr-
00: lhz r5,0(r3)
eieio
sthu r5,2(r4)
bdnz 00b
IN_SYNC
blr
#ifdef CONFIG_PPC32
_GLOBAL(__ide_mm_outsw)
#endif
_GLOBAL(_outsw_ns)
cmpwi 0,r5,0
mtctr r5
subi r4,r4,2
blelr-
00: lhzu r5,2(r4)
sth r5,0(r3)
EIEIO_32
bdnz 00b
SYNC_64
blr
#ifdef CONFIG_PPC32
_GLOBAL(__ide_mm_insl)
#endif
_GLOBAL(_insl_ns)
cmpwi 0,r5,0
mtctr r5
subi r4,r4,4
blelr-
00: lwz r5,0(r3)
eieio
stwu r5,4(r4)
bdnz 00b
IN_SYNC
blr
#ifdef CONFIG_PPC32
_GLOBAL(__ide_mm_outsl)
#endif
_GLOBAL(_outsl_ns)
cmpwi 0,r5,0
mtctr r5
subi r4,r4,4
blelr-
00: lwzu r5,4(r4)
stw r5,0(r3)
EIEIO_32
bdnz 00b
SYNC_64
blr

156
arch/powerpc/kernel/misc_32.S
View file

@ -60,32 +60,6 @@ _GLOBAL(mulhdu)
addze r3,r3
blr
/*
* Returns (address we're running at) - (address we were linked at)
* for use before the text and data are mapped to KERNELBASE.
*/
_GLOBAL(reloc_offset)
mflr r0
bl 1f
1: mflr r3
LOAD_REG_IMMEDIATE(r4,1b)
subf r3,r4,r3
mtlr r0
blr
/*
* add_reloc_offset(x) returns x + reloc_offset().
*/
_GLOBAL(add_reloc_offset)
mflr r0
bl 1f
1: mflr r5
LOAD_REG_IMMEDIATE(r4,1b)
subf r5,r4,r5
add r3,r3,r5
mtlr r0
blr
/*
* sub_reloc_offset(x) returns x - reloc_offset().
*/
@ -780,136 +754,6 @@ _GLOBAL(atomic_set_mask)
bne- 10b
blr
/*
* I/O string operations
*
* insb(port, buf, len)
* outsb(port, buf, len)
* insw(port, buf, len)
* outsw(port, buf, len)
* insl(port, buf, len)
* outsl(port, buf, len)
* insw_ns(port, buf, len)
* outsw_ns(port, buf, len)
* insl_ns(port, buf, len)
* outsl_ns(port, buf, len)
*
* The *_ns versions don't do byte-swapping.
*/
_GLOBAL(_insb)
cmpwi 0,r5,0
mtctr r5
subi r4,r4,1
blelr-
00: lbz r5,0(r3)
eieio
stbu r5,1(r4)
bdnz 00b
blr
_GLOBAL(_outsb)
cmpwi 0,r5,0
mtctr r5
subi r4,r4,1
blelr-
00: lbzu r5,1(r4)
stb r5,0(r3)
eieio
bdnz 00b
blr
_GLOBAL(_insw)
cmpwi 0,r5,0
mtctr r5
subi r4,r4,2
blelr-
00: lhbrx r5,0,r3
eieio
sthu r5,2(r4)
bdnz 00b
blr
_GLOBAL(_outsw)
cmpwi 0,r5,0
mtctr r5
subi r4,r4,2
blelr-
00: lhzu r5,2(r4)
eieio
sthbrx r5,0,r3
bdnz 00b
blr
_GLOBAL(_insl)
cmpwi 0,r5,0
mtctr r5
subi r4,r4,4
blelr-
00: lwbrx r5,0,r3
eieio
stwu r5,4(r4)
bdnz 00b
blr
_GLOBAL(_outsl)
cmpwi 0,r5,0
mtctr r5
subi r4,r4,4
blelr-
00: lwzu r5,4(r4)
stwbrx r5,0,r3
eieio
bdnz 00b
blr
_GLOBAL(__ide_mm_insw)
_GLOBAL(_insw_ns)
cmpwi 0,r5,0
mtctr r5
subi r4,r4,2
blelr-
00: lhz r5,0(r3)
eieio
sthu r5,2(r4)
bdnz 00b
blr
_GLOBAL(__ide_mm_outsw)
_GLOBAL(_outsw_ns)
cmpwi 0,r5,0
mtctr r5
subi r4,r4,2
blelr-
00: lhzu r5,2(r4)
sth r5,0(r3)
eieio
bdnz 00b
blr
_GLOBAL(__ide_mm_insl)
_GLOBAL(_insl_ns)
cmpwi 0,r5,0
mtctr r5
subi r4,r4,4
blelr-
00: lwz r5,0(r3)
eieio
stwu r5,4(r4)
bdnz 00b
blr
_GLOBAL(__ide_mm_outsl)
_GLOBAL(_outsl_ns)
cmpwi 0,r5,0
mtctr r5
subi r4,r4,4
blelr-
00: lwzu r5,4(r4)
stw r5,0(r3)
eieio
bdnz 00b
blr
/*
* Extended precision shifts.
*

223
arch/powerpc/kernel/misc_64.S
View file

@ -1,14 +1,12 @@
/*
* arch/powerpc/kernel/misc64.S
*
* This file contains miscellaneous low-level functions.
* Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org)
*
* Largely rewritten by Cort Dougan (cort@cs.nmt.edu)
* and Paul Mackerras.
* Adapted for iSeries by Mike Corrigan (mikejc@us.ibm.com)
* PPC64 updates by Dave Engebretsen (engebret@us.ibm.com)
*
* PPC64 updates by Dave Engebretsen (engebret@us.ibm.com)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
@ -30,41 +28,10 @@
.text
/*
* Returns (address we are running at) - (address we were linked at)
* for use before the text and data are mapped to KERNELBASE.
*/
_GLOBAL(reloc_offset)
mflr r0
bl 1f
1: mflr r3
LOAD_REG_IMMEDIATE(r4,1b)
subf r3,r4,r3
mtlr r0
blr
/*
* add_reloc_offset(x) returns x + reloc_offset().
*/
_GLOBAL(add_reloc_offset)
mflr r0
bl 1f
1: mflr r5
LOAD_REG_IMMEDIATE(r4,1b)
subf r5,r4,r5
add r3,r3,r5
mtlr r0
blr
_GLOBAL(get_msr)
mfmsr r3
blr
_GLOBAL(get_dar)
mfdar r3
blr
_GLOBAL(get_srr0)
mfsrr0 r3
blr
@ -72,10 +39,6 @@ _GLOBAL(get_srr0)
_GLOBAL(get_srr1)
mfsrr1 r3
blr
_GLOBAL(get_sp)
mr r3,r1
blr
#ifdef CONFIG_IRQSTACKS
_GLOBAL(call_do_softirq)
@ -101,48 +64,6 @@ _GLOBAL(call___do_IRQ)
blr
#endif /* CONFIG_IRQSTACKS */
/*
* To be called by C code which needs to do some operations with MMU
* disabled. Note that interrupts have to be disabled by the caller
* prior to calling us. The code called _MUST_ be in the RMO of course
* and part of the linear mapping as we don't attempt to translate the
* stack pointer at all. The function is called with the stack switched
* to this CPU emergency stack
*
* prototype is void *call_with_mmu_off(void *func, void *data);
*
* the called function is expected to be of the form
*
* void *called(void *data);
*/
_GLOBAL(call_with_mmu_off)
mflr r0 /* get link, save it on stackframe */
std r0,16(r1)
mr r1,r5 /* save old stack ptr */
ld r1,PACAEMERGSP(r13) /* get emerg. stack */
subi r1,r1,STACK_FRAME_OVERHEAD
std r0,16(r1) /* save link on emerg. stack */
std r5,0(r1) /* save old stack ptr in backchain */
ld r3,0(r3) /* get to real function ptr (assume same TOC) */
bl 2f /* we need LR to return, continue at label 2 */
ld r0,16(r1) /* we return here from the call, get LR and */
ld r1,0(r1) /* .. old stack ptr */
mtspr SPRN_SRR0,r0 /* and get back to virtual mode with these */
mfmsr r4
ori r4,r4,MSR_IR|MSR_DR
mtspr SPRN_SRR1,r4
rfid
2: mtspr SPRN_SRR0,r3 /* coming from above, enter real mode */
mr r3,r4 /* get parameter */
mfmsr r0
ori r0,r0,MSR_IR|MSR_DR
xori r0,r0,MSR_IR|MSR_DR
mtspr SPRN_SRR1,r0
rfid
.section ".toc","aw"
PPC64_CACHES:
.tc ppc64_caches[TC],ppc64_caches
@ -323,144 +244,6 @@ _GLOBAL(__flush_dcache_icache)
bdnz 1b
isync
blr
/*
* I/O string operations
*
* insb(port, buf, len)
* outsb(port, buf, len)
* insw(port, buf, len)
* outsw(port, buf, len)
* insl(port, buf, len)
* outsl(port, buf, len)
* insw_ns(port, buf, len)
* outsw_ns(port, buf, len)
* insl_ns(port, buf, len)
* outsl_ns(port, buf, len)
*
* The *_ns versions don't do byte-swapping.
*/
_GLOBAL(_insb)
cmpwi 0,r5,0
mtctr r5
subi r4,r4,1
blelr-
00: lbz r5,0(r3)
eieio
stbu r5,1(r4)
bdnz 00b
twi 0,r5,0
isync
blr
_GLOBAL(_outsb)
cmpwi 0,r5,0
mtctr r5
subi r4,r4,1
blelr-
00: lbzu r5,1(r4)
stb r5,0(r3)
bdnz 00b
sync
blr
_GLOBAL(_insw)
cmpwi 0,r5,0
mtctr r5
subi r4,r4,2
blelr-
00: lhbrx r5,0,r3
eieio
sthu r5,2(r4)
bdnz 00b
twi 0,r5,0
isync
blr
_GLOBAL(_outsw)
cmpwi 0,r5,0
mtctr r5
subi r4,r4,2
blelr-
00: lhzu r5,2(r4)
sthbrx r5,0,r3
bdnz 00b
sync
blr
_GLOBAL(_insl)
cmpwi 0,r5,0
mtctr r5
subi r4,r4,4
blelr-
00: lwbrx r5,0,r3
eieio
stwu r5,4(r4)
bdnz 00b
twi 0,r5,0
isync
blr
_GLOBAL(_outsl)
cmpwi 0,r5,0
mtctr r5
subi r4,r4,4
blelr-
00: lwzu r5,4(r4)
stwbrx r5,0,r3
bdnz 00b
sync
blr
/* _GLOBAL(ide_insw) now in drivers/ide/ide-iops.c */
_GLOBAL(_insw_ns)
cmpwi 0,r5,0
mtctr r5
subi r4,r4,2
blelr-
00: lhz r5,0(r3)
eieio
sthu r5,2(r4)
bdnz 00b
twi 0,r5,0
isync
blr
/* _GLOBAL(ide_outsw) now in drivers/ide/ide-iops.c */
_GLOBAL(_outsw_ns)
cmpwi 0,r5,0
mtctr r5
subi r4,r4,2
blelr-
00: lhzu r5,2(r4)
sth r5,0(r3)
bdnz 00b
sync
blr
_GLOBAL(_insl_ns)
cmpwi 0,r5,0
mtctr r5
subi r4,r4,4
blelr-
00: lwz r5,0(r3)
eieio
stwu r5,4(r4)
bdnz 00b
twi 0,r5,0
isync
blr
_GLOBAL(_outsl_ns)
cmpwi 0,r5,0
mtctr r5
subi r4,r4,4
blelr-
00: lwzu r5,4(r4)
stw r5,0(r3)
bdnz 00b
sync
blr
/*
* identify_cpu and calls setup_cpu
@ -605,6 +388,7 @@ _GLOBAL(real_writeb)
blr
#endif /* defined(CONFIG_PPC_PMAC) || defined(CONFIG_PPC_MAPLE) */
#ifdef CONFIG_CPU_FREQ_PMAC64
/*
* SCOM access functions for 970 (FX only for now)
*
@ -673,6 +457,7 @@ _GLOBAL(scom970_write)
/* restore interrupts */
mtmsrd r5,1
blr
#endif /* CONFIG_CPU_FREQ_PMAC64 */
/*

1
arch/powerpc/kernel/paca.c
View file

@ -16,7 +16,6 @@
#include <asm/ptrace.h>
#include <asm/page.h>
#include <asm/lppaca.h>
#include <asm/iseries/it_lp_queue.h>
#include <asm/iseries/it_lp_reg_save.h>
#include <asm/paca.h>

49
arch/powerpc/kernel/prom.c
View file

@ -30,6 +30,7 @@
#include <linux/bitops.h>
#include <linux/module.h>
#include <linux/kexec.h>
#include <linux/debugfs.h>
#include <asm/prom.h>
#include <asm/rtas.h>
@ -952,6 +953,7 @@ static struct ibm_pa_feature {
/* put this back once we know how to test if firmware does 64k IO */
{CPU_FTR_CI_LARGE_PAGE, 0, 1, 2, 0},
#endif
{CPU_FTR_REAL_LE, PPC_FEATURE_TRUE_LE, 5, 0, 0},
};
static void __init check_cpu_pa_features(unsigned long node)
@ -1124,24 +1126,6 @@ static int __init early_init_dt_scan_chosen(unsigned long node,
tce_alloc_end = *lprop;
#endif
#ifdef CONFIG_PPC_RTAS
/* To help early debugging via the front panel, we retrieve a minimal
* set of RTAS infos now if available
*/
{
u64 *basep, *entryp, *sizep;
basep = of_get_flat_dt_prop(node, "linux,rtas-base", NULL);
entryp = of_get_flat_dt_prop(node, "linux,rtas-entry", NULL);
sizep = of_get_flat_dt_prop(node, "linux,rtas-size", NULL);
if (basep && entryp && sizep) {
rtas.base = *basep;
rtas.entry = *entryp;
rtas.size = *sizep;
}
}
#endif /* CONFIG_PPC_RTAS */
#ifdef CONFIG_KEXEC
lprop = (u64*)of_get_flat_dt_prop(node, "linux,crashkernel-base", NULL);
if (lprop)
@ -1326,6 +1310,11 @@ void __init early_init_devtree(void *params)
/* Setup flat device-tree pointer */
initial_boot_params = params;
#ifdef CONFIG_PPC_RTAS
/* Some machines might need RTAS info for debugging, grab it now. */
of_scan_flat_dt(early_init_dt_scan_rtas, NULL);
#endif
/* Retrieve various informations from the /chosen node of the
* device-tree, including the platform type, initrd location and
* size, TCE reserve, and more ...
@ -2148,3 +2137,27 @@ struct device_node *of_get_cpu_node(int cpu, unsigned int *thread)
}
return NULL;
}
#ifdef DEBUG
static struct debugfs_blob_wrapper flat_dt_blob;
static int __init export_flat_device_tree(void)
{
struct dentry *d;
d = debugfs_create_dir("powerpc", NULL);
if (!d)
return 1;
flat_dt_blob.data = initial_boot_params;
flat_dt_blob.size = initial_boot_params->totalsize;
d = debugfs_create_blob("flat-device-tree", S_IFREG | S_IRUSR,
d, &flat_dt_blob);
if (!d)
return 1;
return 0;
}
__initcall(export_flat_device_tree);
#endif

119
arch/powerpc/kernel/rtas.c
View file

@ -38,16 +38,19 @@
struct rtas_t rtas = {
.lock = SPIN_LOCK_UNLOCKED
};
EXPORT_SYMBOL(rtas);
struct rtas_suspend_me_data {
long waiting;
struct rtas_args *args;
};
EXPORT_SYMBOL(rtas);
DEFINE_SPINLOCK(rtas_data_buf_lock);
EXPORT_SYMBOL(rtas_data_buf_lock);
char rtas_data_buf[RTAS_DATA_BUF_SIZE] __cacheline_aligned;
EXPORT_SYMBOL(rtas_data_buf);
unsigned long rtas_rmo_buf;
/*
@ -106,11 +109,71 @@ static void call_rtas_display_status_delay(char c)
}
}
void __init udbg_init_rtas(void)
void __init udbg_init_rtas_panel(void)
{
udbg_putc = call_rtas_display_status_delay;
}
#ifdef CONFIG_UDBG_RTAS_CONSOLE
/* If you think you're dying before early_init_dt_scan_rtas() does its
* work, you can hard code the token values for your firmware here and
* hardcode rtas.base/entry etc.
*/
static unsigned int rtas_putchar_token = RTAS_UNKNOWN_SERVICE;
static unsigned int rtas_getchar_token = RTAS_UNKNOWN_SERVICE;
static void udbg_rtascon_putc(char c)
{
int tries;
if (!rtas.base)
return;
/* Add CRs before LFs */
if (c == '\n')
udbg_rtascon_putc('\r');
/* if there is more than one character to be displayed, wait a bit */
for (tries = 0; tries < 16; tries++) {
if (rtas_call(rtas_putchar_token, 1, 1, NULL, c) == 0)
break;
udelay(1000);
}
}
static int udbg_rtascon_getc_poll(void)
{
int c;
if (!rtas.base)
return -1;
if (rtas_call(rtas_getchar_token, 0, 2, &c))
return -1;
return c;
}
static int udbg_rtascon_getc(void)
{
int c;
while ((c = udbg_rtascon_getc_poll()) == -1)
;
return c;
}
void __init udbg_init_rtas_console(void)
{
udbg_putc = udbg_rtascon_putc;
udbg_getc = udbg_rtascon_getc;
udbg_getc_poll = udbg_rtascon_getc_poll;
}
#endif /* CONFIG_UDBG_RTAS_CONSOLE */
void rtas_progress(char *s, unsigned short hex)
{
struct device_node *root;
@ -236,6 +299,7 @@ int rtas_token(const char *service)
tokp = (int *) get_property(rtas.dev, service, NULL);
return tokp ? *tokp : RTAS_UNKNOWN_SERVICE;
}
EXPORT_SYMBOL(rtas_token);
#ifdef CONFIG_RTAS_ERROR_LOGGING
/*
@ -328,7 +392,7 @@ int rtas_call(int token, int nargs, int nret, int *outputs, ...)
char *buff_copy = NULL;
int ret;
if (token == RTAS_UNKNOWN_SERVICE)
if (!rtas.entry || token == RTAS_UNKNOWN_SERVICE)
return -1;
/* Gotta do something different here, use global lock for now... */
@ -369,6 +433,7 @@ int rtas_call(int token, int nargs, int nret, int *outputs, ...)
}
return ret;
}
EXPORT_SYMBOL(rtas_call);
/* For RTAS_BUSY (-2), delay for 1 millisecond. For an extended busy status
* code of 990n, perform the hinted delay of 10^n (last digit) milliseconds.
@ -388,6 +453,7 @@ unsigned int rtas_busy_delay_time(int status)
return ms;
}
EXPORT_SYMBOL(rtas_busy_delay_time);
/* For an RTAS busy status code, perform the hinted delay. */
unsigned int rtas_busy_delay(int status)
@ -401,6 +467,7 @@ unsigned int rtas_busy_delay(int status)
return ms;
}
EXPORT_SYMBOL(rtas_busy_delay);
int rtas_error_rc(int rtas_rc)
{
@ -446,6 +513,7 @@ int rtas_get_power_level(int powerdomain, int *level)
return rtas_error_rc(rc);
return rc;
}
EXPORT_SYMBOL(rtas_get_power_level);
int rtas_set_power_level(int powerdomain, int level, int *setlevel)
{
@ -463,6 +531,7 @@ int rtas_set_power_level(int powerdomain, int level, int *setlevel)
return rtas_error_rc(rc);
return rc;
}
EXPORT_SYMBOL(rtas_set_power_level);
int rtas_get_sensor(int sensor, int index, int *state)
{
@ -480,6 +549,7 @@ int rtas_get_sensor(int sensor, int index, int *state)
return rtas_error_rc(rc);
return rc;
}
EXPORT_SYMBOL(rtas_get_sensor);
int rtas_set_indicator(int indicator, int index, int new_value)
{
@ -497,6 +567,7 @@ int rtas_set_indicator(int indicator, int index, int new_value)
return rtas_error_rc(rc);
return rc;
}
EXPORT_SYMBOL(rtas_set_indicator);
void rtas_restart(char *cmd)
{
@ -791,14 +862,34 @@ void __init rtas_initialize(void)
#endif
}
int __init early_init_dt_scan_rtas(unsigned long node,
const char *uname, int depth, void *data)
{
u32 *basep, *entryp, *sizep;
EXPORT_SYMBOL(rtas_token);
EXPORT_SYMBOL(rtas_call);
EXPORT_SYMBOL(rtas_data_buf);
EXPORT_SYMBOL(rtas_data_buf_lock);
EXPORT_SYMBOL(rtas_busy_delay_time);
EXPORT_SYMBOL(rtas_busy_delay);
EXPORT_SYMBOL(rtas_get_sensor);
EXPORT_SYMBOL(rtas_get_power_level);
EXPORT_SYMBOL(rtas_set_power_level);
EXPORT_SYMBOL(rtas_set_indicator);
if (depth != 1 || strcmp(uname, "rtas") != 0)
return 0;
basep = of_get_flat_dt_prop(node, "linux,rtas-base", NULL);
entryp = of_get_flat_dt_prop(node, "linux,rtas-entry", NULL);
sizep = of_get_flat_dt_prop(node, "rtas-size", NULL);
if (basep && entryp && sizep) {
rtas.base = *basep;
rtas.entry = *entryp;
rtas.size = *sizep;
}
#ifdef CONFIG_UDBG_RTAS_CONSOLE
basep = of_get_flat_dt_prop(node, "put-term-char", NULL);
if (basep)
rtas_putchar_token = *basep;
basep = of_get_flat_dt_prop(node, "get-term-char", NULL);
if (basep)
rtas_getchar_token = *basep;
#endif
/* break now */
return 1;
}

22
arch/powerpc/kernel/setup_64.c
View file

@ -149,6 +149,13 @@ early_param("smt-enabled", early_smt_enabled);
#define check_smt_enabled()
#endif /* CONFIG_SMP */
/* Put the paca pointer into r13 and SPRG3 */
void __init setup_paca(int cpu)
{
local_paca = &paca[cpu];
mtspr(SPRN_SPRG3, local_paca);
}
/*
* Early initialization entry point. This is called by head.S
* with MMU translation disabled. We rely on the "feature" of
@ -170,6 +177,9 @@ early_param("smt-enabled", early_smt_enabled);
void __init early_setup(unsigned long dt_ptr)
{
/* Assume we're on cpu 0 for now. Don't write to the paca yet! */
setup_paca(0);
/* Enable early debugging if any specified (see udbg.h) */
udbg_early_init();
@ -183,7 +193,7 @@ void __init early_setup(unsigned long dt_ptr)
early_init_devtree(__va(dt_ptr));
/* Now we know the logical id of our boot cpu, setup the paca. */
setup_boot_paca();
setup_paca(boot_cpuid);
/* Fix up paca fields required for the boot cpu */
get_paca()->cpu_start = 1;
@ -350,19 +360,11 @@ void __init setup_system(void)
*/
unflatten_device_tree();
#ifdef CONFIG_KEXEC
kexec_setup(); /* requires unflattened device tree. */
#endif
/*
* Fill the ppc64_caches & systemcfg structures with informations
* retrieved from the device-tree. Need to be called before
* finish_device_tree() since the later requires some of the
* informations filled up here to properly parse the interrupt
* tree.
* It also sets up the cache line sizes which allows to call
* routines like flush_icache_range (used by the hash init
* later on).
* informations filled up here to properly parse the interrupt tree.
*/
initialize_cache_info();

29
arch/powerpc/kernel/traps.c
View file

@ -52,9 +52,13 @@
#include <asm/firmware.h>
#include <asm/processor.h>
#endif
#include <asm/kexec.h>
#ifdef CONFIG_PPC64 /* XXX */
#define _IO_BASE pci_io_base
#ifdef CONFIG_KEXEC
cpumask_t cpus_in_sr = CPU_MASK_NONE;
#endif
#endif
#ifdef CONFIG_DEBUGGER
@ -97,7 +101,7 @@ static DEFINE_SPINLOCK(die_lock);
int die(const char *str, struct pt_regs *regs, long err)
{
static int die_counter, crash_dump_start = 0;
static int die_counter;
if (debugger(regs))
return 1;
@ -137,21 +141,12 @@ int die(const char *str, struct pt_regs *regs, long err)
print_modules();
show_regs(regs);
bust_spinlocks(0);
if (!crash_dump_start && kexec_should_crash(current)) {
crash_dump_start = 1;
spin_unlock_irq(&die_lock);
crash_kexec(regs);
/* NOTREACHED */
}
spin_unlock_irq(&die_lock);
if (crash_dump_start)
/*
* Only for soft-reset: Other CPUs will be responded to an IPI
* sent by first kexec CPU.
*/
for(;;)
;
if (kexec_should_crash(current) ||
kexec_sr_activated(smp_processor_id()))
crash_kexec(regs);
crash_kexec_secondary(regs);
if (in_interrupt())
panic("Fatal exception in interrupt");
@ -215,6 +210,10 @@ void system_reset_exception(struct pt_regs *regs)
return;
}
#ifdef CONFIG_KEXEC
cpu_set(smp_processor_id(), cpus_in_sr);
#endif
die("System Reset", regs, SIGABRT);
/* Must die if the interrupt is not recoverable */

7
arch/powerpc/kernel/udbg.c
View file

@ -34,9 +34,12 @@ void __init udbg_early_init(void)
#elif defined(CONFIG_PPC_EARLY_DEBUG_G5)
/* For use on Apple G5 machines */
udbg_init_pmac_realmode();
#elif defined(CONFIG_PPC_EARLY_DEBUG_RTAS)
#elif defined(CONFIG_PPC_EARLY_DEBUG_RTAS_PANEL)
/* RTAS panel debug */
udbg_init_rtas();
udbg_init_rtas_panel();
#elif defined(CONFIG_PPC_EARLY_DEBUG_RTAS_CONSOLE)
/* RTAS console debug */
udbg_init_rtas_console();
#elif defined(CONFIG_PPC_EARLY_DEBUG_MAPLE)
/* Maple real mode debug */
udbg_init_maple_realmode();

3
arch/powerpc/mm/hash_native_64.c
View file

@ -520,7 +520,7 @@ static inline int tlb_batching_enabled(void)
}
#endif
void hpte_init_native(void)
void __init hpte_init_native(void)
{
ppc_md.hpte_invalidate = native_hpte_invalidate;
ppc_md.hpte_updatepp = native_hpte_updatepp;
@ -530,5 +530,4 @@ void hpte_init_native(void)
ppc_md.hpte_clear_all = native_hpte_clear;
if (tlb_batching_enabled())
ppc_md.flush_hash_range = native_flush_hash_range;
htab_finish_init();
}

106
arch/powerpc/mm/hash_utils_64.c
View file

@ -167,34 +167,12 @@ int htab_bolt_mapping(unsigned long vstart, unsigned long vend,
hash = hpt_hash(va, shift);
hpteg = ((hash & htab_hash_mask) * HPTES_PER_GROUP);
/* The crap below can be cleaned once ppd_md.probe() can
* set up the hash callbacks, thus we can just used the
* normal insert callback here.
*/
#ifdef CONFIG_PPC_ISERIES
if (machine_is(iseries))
ret = iSeries_hpte_insert(hpteg, va,
paddr,
tmp_mode,
HPTE_V_BOLTED,
psize);
else
#endif
#ifdef CONFIG_PPC_PSERIES
if (machine_is(pseries) && firmware_has_feature(FW_FEATURE_LPAR))
ret = pSeries_lpar_hpte_insert(hpteg, va,
paddr,
tmp_mode,
HPTE_V_BOLTED,
psize);
else
#endif
#ifdef CONFIG_PPC_MULTIPLATFORM
ret = native_hpte_insert(hpteg, va,
paddr,
tmp_mode, HPTE_V_BOLTED,
psize);
#endif
DBG("htab_bolt_mapping: calling %p\n", ppc_md.hpte_insert);
BUG_ON(!ppc_md.hpte_insert);
ret = ppc_md.hpte_insert(hpteg, va, paddr,
tmp_mode, HPTE_V_BOLTED, psize);
if (ret < 0)
break;
}
@ -413,6 +391,41 @@ void create_section_mapping(unsigned long start, unsigned long end)
}
#endif /* CONFIG_MEMORY_HOTPLUG */
static inline void make_bl(unsigned int *insn_addr, void *func)
{
unsigned long funcp = *((unsigned long *)func);
int offset = funcp - (unsigned long)insn_addr;
*insn_addr = (unsigned int)(0x48000001 | (offset & 0x03fffffc));
flush_icache_range((unsigned long)insn_addr, 4+
(unsigned long)insn_addr);
}
static void __init htab_finish_init(void)
{
extern unsigned int *htab_call_hpte_insert1;
extern unsigned int *htab_call_hpte_insert2;
extern unsigned int *htab_call_hpte_remove;
extern unsigned int *htab_call_hpte_updatepp;
#ifdef CONFIG_PPC_64K_PAGES
extern unsigned int *ht64_call_hpte_insert1;
extern unsigned int *ht64_call_hpte_insert2;
extern unsigned int *ht64_call_hpte_remove;
extern unsigned int *ht64_call_hpte_updatepp;
make_bl(ht64_call_hpte_insert1, ppc_md.hpte_insert);
make_bl(ht64_call_hpte_insert2, ppc_md.hpte_insert);
make_bl(ht64_call_hpte_remove, ppc_md.hpte_remove);
make_bl(ht64_call_hpte_updatepp, ppc_md.hpte_updatepp);
#endif /* CONFIG_PPC_64K_PAGES */
make_bl(htab_call_hpte_insert1, ppc_md.hpte_insert);
make_bl(htab_call_hpte_insert2, ppc_md.hpte_insert);
make_bl(htab_call_hpte_remove, ppc_md.hpte_remove);
make_bl(htab_call_hpte_updatepp, ppc_md.hpte_updatepp);
}
void __init htab_initialize(void)
{
unsigned long table;
@ -525,6 +538,8 @@ void __init htab_initialize(void)
mmu_linear_psize));
}
htab_finish_init();
DBG(" <- htab_initialize()\n");
}
#undef KB
@ -787,16 +802,6 @@ void flush_hash_range(unsigned long number, int local)
}
}
static inline void make_bl(unsigned int *insn_addr, void *func)
{
unsigned long funcp = *((unsigned long *)func);
int offset = funcp - (unsigned long)insn_addr;
*insn_addr = (unsigned int)(0x48000001 | (offset & 0x03fffffc));
flush_icache_range((unsigned long)insn_addr, 4+
(unsigned long)insn_addr);
}
/*
* low_hash_fault is called when we the low level hash code failed
* to instert a PTE due to an hypervisor error
@ -815,28 +820,3 @@ void low_hash_fault(struct pt_regs *regs, unsigned long address)
}
bad_page_fault(regs, address, SIGBUS);
}
void __init htab_finish_init(void)
{
extern unsigned int *htab_call_hpte_insert1;
extern unsigned int *htab_call_hpte_insert2;
extern unsigned int *htab_call_hpte_remove;
extern unsigned int *htab_call_hpte_updatepp;
#ifdef CONFIG_PPC_64K_PAGES
extern unsigned int *ht64_call_hpte_insert1;
extern unsigned int *ht64_call_hpte_insert2;
extern unsigned int *ht64_call_hpte_remove;
extern unsigned int *ht64_call_hpte_updatepp;
make_bl(ht64_call_hpte_insert1, ppc_md.hpte_insert);
make_bl(ht64_call_hpte_insert2, ppc_md.hpte_insert);
make_bl(ht64_call_hpte_remove, ppc_md.hpte_remove);
make_bl(ht64_call_hpte_updatepp, ppc_md.hpte_updatepp);
#endif /* CONFIG_PPC_64K_PAGES */
make_bl(htab_call_hpte_insert1, ppc_md.hpte_insert);
make_bl(htab_call_hpte_insert2, ppc_md.hpte_insert);
make_bl(htab_call_hpte_remove, ppc_md.hpte_remove);
make_bl(htab_call_hpte_updatepp, ppc_md.hpte_updatepp);
}

2
arch/powerpc/mm/mmu_context_64.c
View file

@ -44,7 +44,9 @@ again:
return err;
if (index > MAX_CONTEXT) {
spin_lock(&mmu_context_lock);
idr_remove(&mmu_context_idr, index);
spin_unlock(&mmu_context_lock);
return -ENOMEM;
}

6
arch/powerpc/platforms/86xx/Kconfig
View file

@ -7,6 +7,7 @@ choice
config MPC8641_HPCN
bool "Freescale MPC8641 HPCN"
select PPC_I8259
help
This option enables support for the MPC8641 HPCN board.
@ -28,9 +29,4 @@ config PPC_INDIRECT_PCI_BE
depends on PPC_86xx
default y
config PPC_STD_MMU
bool
depends on PPC_86xx
default y
endmenu

3
arch/powerpc/platforms/86xx/Makefile
View file

@ -2,9 +2,6 @@
# Makefile for the PowerPC 86xx linux kernel.
#
ifeq ($(CONFIG_PPC_86xx),y)
obj-$(CONFIG_SMP) += mpc86xx_smp.o
endif
obj-$(CONFIG_MPC8641_HPCN) += mpc86xx_hpcn.o
obj-$(CONFIG_PCI) += pci.o mpc86xx_pcie.o

1
arch/powerpc/platforms/86xx/mpc8641_hpcn.h
View file

@ -14,7 +14,6 @@
#ifndef __MPC8641_HPCN_H__
#define __MPC8641_HPCN_H__
#include <linux/config.h>
#include <linux/init.h>
/* PCI interrupt controller */

8
arch/powerpc/platforms/86xx/mpc86xx.h
View file

@ -15,11 +15,13 @@
* mpc86xx_* files. Mostly for use by mpc86xx_setup().
*/
extern int __init add_bridge(struct device_node *dev);
extern int add_bridge(struct device_node *dev);
extern void __init setup_indirect_pcie(struct pci_controller *hose,
extern int mpc86xx_exclude_device(u_char bus, u_char devfn);
extern void setup_indirect_pcie(struct pci_controller *hose,
u32 cfg_addr, u32 cfg_data);
extern void __init setup_indirect_pcie_nomap(struct pci_controller *hose,
extern void setup_indirect_pcie_nomap(struct pci_controller *hose,
void __iomem *cfg_addr,
void __iomem *cfg_data);

131
arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
View file

@ -12,7 +12,6 @@
* option) any later version.
*/
#include <linux/config.h>
#include <linux/stddef.h>
#include <linux/kernel.h>
#include <linux/pci.h>
@ -36,6 +35,7 @@
#include <sysdev/fsl_soc.h>
#include "mpc86xx.h"
#include "mpc8641_hpcn.h"
#ifndef CONFIG_PCI
unsigned long isa_io_base = 0;
@ -186,17 +186,130 @@ mpc86xx_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin)
return PCI_IRQ_TABLE_LOOKUP + I8259_OFFSET;
}
int
mpc86xx_exclude_device(u_char bus, u_char devfn)
static void __devinit quirk_ali1575(struct pci_dev *dev)
{
#if !defined(CONFIG_PCI)
if (bus == 0 && PCI_SLOT(devfn) == 0)
return PCIBIOS_DEVICE_NOT_FOUND;
#endif
unsigned short temp;
return PCIBIOS_SUCCESSFUL;
/*
* ALI1575 interrupts route table setup:
*
* IRQ pin IRQ#
* PIRQA ---- 3
* PIRQB ---- 4
* PIRQC ---- 5
* PIRQD ---- 6
* PIRQE ---- 9
* PIRQF ---- 10
* PIRQG ---- 11
* PIRQH ---- 12
*
* interrupts for PCI slot0 -- PIRQA / PIRQB / PIRQC / PIRQD
* PCI slot1 -- PIRQB / PIRQC / PIRQD / PIRQA
*/
pci_write_config_dword(dev, 0x48, 0xb9317542);
/* USB 1.1 OHCI controller 1, interrupt: PIRQE */
pci_write_config_byte(dev, 0x86, 0x0c);
/* USB 1.1 OHCI controller 2, interrupt: PIRQF */
pci_write_config_byte(dev, 0x87, 0x0d);
/* USB 1.1 OHCI controller 3, interrupt: PIRQH */
pci_write_config_byte(dev, 0x88, 0x0f);
/* USB 2.0 controller, interrupt: PIRQ7 */
pci_write_config_byte(dev, 0x74, 0x06);
/* Audio controller, interrupt: PIRQE */
pci_write_config_byte(dev, 0x8a, 0x0c);
/* Modem controller, interrupt: PIRQF */
pci_write_config_byte(dev, 0x8b, 0x0d);
/* HD audio controller, interrupt: PIRQG */
pci_write_config_byte(dev, 0x8c, 0x0e);
/* Serial ATA interrupt: PIRQD */
pci_write_config_byte(dev, 0x8d, 0x0b);
/* SMB interrupt: PIRQH */
pci_write_config_byte(dev, 0x8e, 0x0f);
/* PMU ACPI SCI interrupt: PIRQH */
pci_write_config_byte(dev, 0x8f, 0x0f);
/* Primary PATA IDE IRQ: 14
* Secondary PATA IDE IRQ: 15
*/
pci_write_config_byte(dev, 0x44, 0x3d);
pci_write_config_byte(dev, 0x75, 0x0f);
/* Set IRQ14 and IRQ15 to legacy IRQs */
pci_read_config_word(dev, 0x46, &temp);
temp |= 0xc000;
pci_write_config_word(dev, 0x46, temp);
/* Set i8259 interrupt trigger
* IRQ 3: Level
* IRQ 4: Level
* IRQ 5: Level
* IRQ 6: Level
* IRQ 7: Level
* IRQ 9: Level
* IRQ 10: Level
* IRQ 11: Level
* IRQ 12: Level
* IRQ 14: Edge
* IRQ 15: Edge
*/
outb(0xfa, 0x4d0);
outb(0x1e, 0x4d1);
}
static void __devinit quirk_uli5288(struct pci_dev *dev)
{
unsigned char c;
pci_read_config_byte(dev,0x83,&c);
c |= 0x80;
pci_write_config_byte(dev, 0x83, c);
pci_write_config_byte(dev, 0x09, 0x01);
pci_write_config_byte(dev, 0x0a, 0x06);
pci_read_config_byte(dev,0x83,&c);
c &= 0x7f;
pci_write_config_byte(dev, 0x83, c);
pci_read_config_byte(dev,0x84,&c);
c |= 0x01;
pci_write_config_byte(dev, 0x84, c);
}
static void __devinit quirk_uli5229(struct pci_dev *dev)
{
unsigned short temp;
pci_write_config_word(dev, 0x04, 0x0405);
pci_read_config_word(dev, 0x4a, &temp);
temp |= 0x1000;
pci_write_config_word(dev, 0x4a, temp);
}
static void __devinit early_uli5249(struct pci_dev *dev)
{
unsigned char temp;
pci_write_config_word(dev, 0x04, 0x0007);
pci_read_config_byte(dev, 0x7c, &temp);
pci_write_config_byte(dev, 0x7c, 0x80);
pci_write_config_byte(dev, 0x09, 0x01);
pci_write_config_byte(dev, 0x7c, temp);
dev->class |= 0x1;
}
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AL, 0x1575, quirk_ali1575);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AL, 0x5288, quirk_uli5288);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AL, 0x5229, quirk_uli5229);
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_AL, 0x5249, early_uli5249);
#endif /* CONFIG_PCI */

10
arch/powerpc/platforms/86xx/mpc86xx_smp.c
View file

@ -10,7 +10,6 @@
* option) any later version.
*/
#include <linux/config.h>
#include <linux/stddef.h>
#include <linux/kernel.h>
#include <linux/init.h>
@ -34,8 +33,8 @@ extern unsigned long __secondary_hold_acknowledge;
static void __init
smp_86xx_release_core(int nr)
{
void *mcm_vaddr;
unsigned long vaddr, pcr;
__be32 __iomem *mcm_vaddr;
unsigned long pcr;
if (nr < 0 || nr >= NR_CPUS)
return;
@ -45,10 +44,9 @@ smp_86xx_release_core(int nr)
*/
mcm_vaddr = ioremap(get_immrbase() + MPC86xx_MCM_OFFSET,
MPC86xx_MCM_SIZE);
vaddr = (unsigned long)mcm_vaddr + MCM_PORT_CONFIG_OFFSET;
pcr = in_be32((volatile unsigned *)vaddr);
pcr = in_be32(mcm_vaddr + (MCM_PORT_CONFIG_OFFSET >> 2));
pcr |= 1 << (nr + 24);
out_be32((volatile unsigned *)vaddr, pcr);
out_be32(mcm_vaddr + (MCM_PORT_CONFIG_OFFSET >> 2), pcr);
}

137
arch/powerpc/platforms/86xx/pci.c
View file

@ -12,7 +12,6 @@
* option) any later version.
*/
#include <linux/config.h>
#include <linux/types.h>
#include <linux/module.h>
#include <linux/init.h>
@ -122,15 +121,12 @@ static void __init setup_pcie_atmu(struct pci_controller *hose, struct resource
static void __init
mpc86xx_setup_pcie(struct pci_controller *hose, u32 pcie_offset, u32 pcie_size)
{
volatile struct ccsr_pex *pcie;
u16 cmd;
unsigned int temps;
DBG("PCIE host controller register offset 0x%08x, size 0x%08x.\n",
pcie_offset, pcie_size);
pcie = ioremap(pcie_offset, pcie_size);
early_read_config_word(hose, 0, 0, PCI_COMMAND, &cmd);
cmd |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY
| PCI_COMMAND_IO;
@ -144,6 +140,14 @@ mpc86xx_setup_pcie(struct pci_controller *hose, u32 pcie_offset, u32 pcie_size)
early_write_config_dword(hose, 0, 0, PCI_PRIMARY_BUS, temps);
}
int mpc86xx_exclude_device(u_char bus, u_char devfn)
{
if (bus == 0 && PCI_SLOT(devfn) == 0)
return PCIBIOS_DEVICE_NOT_FOUND;
return PCIBIOS_SUCCESSFUL;
}
int __init add_bridge(struct device_node *dev)
{
int len;
@ -198,128 +202,3 @@ int __init add_bridge(struct device_node *dev)
return 0;
}
static void __devinit quirk_ali1575(struct pci_dev *dev)
{
unsigned short temp;
/*
* ALI1575 interrupts route table setup:
*
* IRQ pin IRQ#
* PIRQA ---- 3
* PIRQB ---- 4
* PIRQC ---- 5
* PIRQD ---- 6
* PIRQE ---- 9
* PIRQF ---- 10
* PIRQG ---- 11
* PIRQH ---- 12
*
* interrupts for PCI slot0 -- PIRQA / PIRQB / PIRQC / PIRQD
* PCI slot1 -- PIRQB / PIRQC / PIRQD / PIRQA
*/
pci_write_config_dword(dev, 0x48, 0xb9317542);
/* USB 1.1 OHCI controller 1, interrupt: PIRQE */
pci_write_config_byte(dev, 0x86, 0x0c);
/* USB 1.1 OHCI controller 2, interrupt: PIRQF */
pci_write_config_byte(dev, 0x87, 0x0d);
/* USB 1.1 OHCI controller 3, interrupt: PIRQH */
pci_write_config_byte(dev, 0x88, 0x0f);
/* USB 2.0 controller, interrupt: PIRQ7 */
pci_write_config_byte(dev, 0x74, 0x06);
/* Audio controller, interrupt: PIRQE */
pci_write_config_byte(dev, 0x8a, 0x0c);
/* Modem controller, interrupt: PIRQF */
pci_write_config_byte(dev, 0x8b, 0x0d);
/* HD audio controller, interrupt: PIRQG */
pci_write_config_byte(dev, 0x8c, 0x0e);
/* Serial ATA interrupt: PIRQD */
pci_write_config_byte(dev, 0x8d, 0x0b);
/* SMB interrupt: PIRQH */
pci_write_config_byte(dev, 0x8e, 0x0f);
/* PMU ACPI SCI interrupt: PIRQH */
pci_write_config_byte(dev, 0x8f, 0x0f);
/* Primary PATA IDE IRQ: 14
* Secondary PATA IDE IRQ: 15
*/
pci_write_config_byte(dev, 0x44, 0x3d);
pci_write_config_byte(dev, 0x75, 0x0f);
/* Set IRQ14 and IRQ15 to legacy IRQs */
pci_read_config_word(dev, 0x46, &temp);
temp |= 0xc000;
pci_write_config_word(dev, 0x46, temp);
/* Set i8259 interrupt trigger
* IRQ 3: Level
* IRQ 4: Level
* IRQ 5: Level
* IRQ 6: Level
* IRQ 7: Level
* IRQ 9: Level
* IRQ 10: Level
* IRQ 11: Level
* IRQ 12: Level
* IRQ 14: Edge
* IRQ 15: Edge
*/
outb(0xfa, 0x4d0);
outb(0x1e, 0x4d1);
}
static void __devinit quirk_uli5288(struct pci_dev *dev)
{
unsigned char c;
pci_read_config_byte(dev,0x83,&c);
c |= 0x80;
pci_write_config_byte(dev, 0x83, c);
pci_write_config_byte(dev, 0x09, 0x01);
pci_write_config_byte(dev, 0x0a, 0x06);
pci_read_config_byte(dev,0x83,&c);
c &= 0x7f;
pci_write_config_byte(dev, 0x83, c);
pci_read_config_byte(dev,0x84,&c);
c |= 0x01;
pci_write_config_byte(dev, 0x84, c);
}
static void __devinit quirk_uli5229(struct pci_dev *dev)
{
unsigned short temp;
pci_write_config_word(dev, 0x04, 0x0405);
pci_read_config_word(dev, 0x4a, &temp);
temp |= 0x1000;
pci_write_config_word(dev, 0x4a, temp);
}
static void __devinit early_uli5249(struct pci_dev *dev)
{
unsigned char temp;
pci_write_config_word(dev, 0x04, 0x0007);
pci_read_config_byte(dev, 0x7c, &temp);
pci_write_config_byte(dev, 0x7c, 0x80);
pci_write_config_byte(dev, 0x09, 0x01);
pci_write_config_byte(dev, 0x7c, temp);
dev->class |= 0x1;
}
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AL, 0x1575, quirk_ali1575);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AL, 0x5288, quirk_uli5288);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AL, 0x5229, quirk_uli5229);
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_AL, 0x5249, early_uli5249);

1
arch/powerpc/platforms/Makefile
View file

@ -14,3 +14,4 @@ obj-$(CONFIG_PPC_PSERIES) += pseries/
obj-$(CONFIG_PPC_ISERIES) += iseries/
obj-$(CONFIG_PPC_MAPLE) += maple/
obj-$(CONFIG_PPC_CELL) += cell/
obj-$(CONFIG_EMBEDDED6xx) += embedded6xx/

2
arch/powerpc/platforms/cell/Kconfig
View file

@ -6,6 +6,7 @@ config SPU_FS
default m
depends on PPC_CELL
select SPU_BASE
select MEMORY_HOTPLUG
help
The SPU file system is used to access Synergistic Processing
Units on machines implementing the Broadband Processor
@ -18,7 +19,6 @@ config SPU_BASE
config SPUFS_MMAP
bool
depends on SPU_FS && SPARSEMEM
select MEMORY_HOTPLUG
default y
config CBE_RAS

16
arch/powerpc/platforms/cell/setup.c
View file

@ -125,8 +125,6 @@ static void __init cell_init_early(void)
{
DBG(" -> cell_init_early()\n");
hpte_init_native();
cell_init_iommu();
ppc64_interrupt_controller = IC_CELL_PIC;
@ -139,11 +137,17 @@ static int __init cell_probe(void)
{
unsigned long root = of_get_flat_dt_root();
if (of_flat_dt_is_compatible(root, "IBM,CBEA") ||
of_flat_dt_is_compatible(root, "IBM,CPBW-1.0"))
return 1;
if (!of_flat_dt_is_compatible(root, "IBM,CBEA") &&
!of_flat_dt_is_compatible(root, "IBM,CPBW-1.0"))
return 0;
return 0;
#ifdef CONFIG_UDBG_RTAS_CONSOLE
udbg_init_rtas_console();
#endif
hpte_init_native();
return 1;
}
/*

8
arch/powerpc/platforms/cell/spu_base.c
View file

@ -168,12 +168,12 @@ spu_irq_class_0_bottom(struct spu *spu)
stat &= mask;
if (stat & 1) /* invalid MFC DMA */
__spu_trap_invalid_dma(spu);
if (stat & 2) /* invalid DMA alignment */
if (stat & 1) /* invalid DMA alignment */
__spu_trap_dma_align(spu);
if (stat & 2) /* invalid MFC DMA */
__spu_trap_invalid_dma(spu);
if (stat & 4) /* error on SPU */
__spu_trap_error(spu);

10
arch/powerpc/platforms/cell/spufs/file.c
View file

@ -204,7 +204,7 @@ static int spufs_cntl_mmap(struct file *file, struct vm_area_struct *vma)
vma->vm_flags |= VM_RESERVED;
vma->vm_page_prot = __pgprot(pgprot_val(vma->vm_page_prot)
| _PAGE_NO_CACHE);
| _PAGE_NO_CACHE | _PAGE_GUARDED);
vma->vm_ops = &spufs_cntl_mmap_vmops;
return 0;
@ -675,7 +675,7 @@ static int spufs_signal1_mmap(struct file *file, struct vm_area_struct *vma)
vma->vm_flags |= VM_RESERVED;
vma->vm_page_prot = __pgprot(pgprot_val(vma->vm_page_prot)
| _PAGE_NO_CACHE);
| _PAGE_NO_CACHE | _PAGE_GUARDED);
vma->vm_ops = &spufs_signal1_mmap_vmops;
return 0;
@ -762,7 +762,7 @@ static int spufs_signal2_mmap(struct file *file, struct vm_area_struct *vma)
/* FIXME: */
vma->vm_flags |= VM_RESERVED;
vma->vm_page_prot = __pgprot(pgprot_val(vma->vm_page_prot)
| _PAGE_NO_CACHE);
| _PAGE_NO_CACHE | _PAGE_GUARDED);
vma->vm_ops = &spufs_signal2_mmap_vmops;
return 0;
@ -850,7 +850,7 @@ static int spufs_mss_mmap(struct file *file, struct vm_area_struct *vma)
vma->vm_flags |= VM_RESERVED;
vma->vm_page_prot = __pgprot(pgprot_val(vma->vm_page_prot)
| _PAGE_NO_CACHE);
| _PAGE_NO_CACHE | _PAGE_GUARDED);
vma->vm_ops = &spufs_mss_mmap_vmops;
return 0;
@ -899,7 +899,7 @@ static int spufs_mfc_mmap(struct file *file, struct vm_area_struct *vma)
vma->vm_flags |= VM_RESERVED;
vma->vm_page_prot = __pgprot(pgprot_val(vma->vm_page_prot)
| _PAGE_NO_CACHE);
| _PAGE_NO_CACHE | _PAGE_GUARDED);
vma->vm_ops = &spufs_mfc_mmap_vmops;
return 0;

6
arch/powerpc/platforms/cell/spufs/switch.c
View file

@ -464,7 +464,8 @@ static inline void wait_purge_complete(struct spu_state *csa, struct spu *spu)
* Poll MFC_CNTL[Ps] until value '11' is read
* (purge complete).
*/
POLL_WHILE_FALSE(in_be64(&priv2->mfc_control_RW) &
POLL_WHILE_FALSE((in_be64(&priv2->mfc_control_RW) &
MFC_CNTL_PURGE_DMA_STATUS_MASK) ==
MFC_CNTL_PURGE_DMA_COMPLETE);
}
@ -1028,7 +1029,8 @@ static inline void wait_suspend_mfc_complete(struct spu_state *csa,
* Restore, Step 47.
* Poll MFC_CNTL[Ss] until 11 is returned.
*/
POLL_WHILE_FALSE(in_be64(&priv2->mfc_control_RW) &
POLL_WHILE_FALSE((in_be64(&priv2->mfc_control_RW) &
MFC_CNTL_SUSPEND_DMA_STATUS_MASK) ==
MFC_CNTL_SUSPEND_COMPLETE);
}

15
arch/powerpc/platforms/embedded6xx/Kconfig
View file

@ -74,6 +74,16 @@ config SANDPOINT
Select SANDPOINT if configuring for a Motorola Sandpoint X3
(any flavor).
config MPC7448HPC2
bool "Freescale MPC7448HPC2(Taiga)"
select TSI108_BRIDGE
select DEFAULT_UIMAGE
select PPC_UDBG_16550
select MPIC
help
Select MPC7448HPC2 if configuring for Freescale MPC7448HPC2 (Taiga)
platform
config RADSTONE_PPC7D
bool "Radstone Technology PPC7D board"
select PPC_I8259
@ -221,6 +231,11 @@ config MV64X60
select PPC_INDIRECT_PCI
default y
config TSI108_BRIDGE
bool
depends on MPC7448HPC2
default y
menu "Set bridge options"
depends on MV64X60

4
arch/powerpc/platforms/embedded6xx/Makefile Normal file
View file

@ -0,0 +1,4 @@
#
# Makefile for the 6xx/7xx/7xxxx linux kernel.
#
obj-$(CONFIG_MPC7448HPC2) += mpc7448_hpc2.o

335
arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c Normal file
View file

@ -0,0 +1,335 @@
/*
* mpc7448_hpc2.c
*
* Board setup routines for the Freescale Taiga platform
*
* Author: Jacob Pan
* jacob.pan@freescale.com
* Author: Xianghua Xiao
* x.xiao@freescale.com
* Maintainer: Roy Zang <tie-fei.zang@freescale.com>
* Add Flat Device Tree support fot mpc7448hpc2 board
*
* Copyright 2004-2006 Freescale Semiconductor, Inc.
*
* This file is licensed under
* the terms of the GNU General Public License version 2. This program
* is licensed "as is" without any warranty of any kind, whether express
* or implied.
*/
#include <linux/config.h>
#include <linux/stddef.h>
#include <linux/kernel.h>
#include <linux/pci.h>
#include <linux/kdev_t.h>
#include <linux/console.h>
#include <linux/delay.h>
#include <linux/irq.h>
#include <linux/ide.h>
#include <linux/seq_file.h>
#include <linux/root_dev.h>
#include <linux/serial.h>
#include <linux/tty.h>
#include <linux/serial_core.h>
#include <asm/system.h>
#include <asm/time.h>
#include <asm/machdep.h>
#include <asm/prom.h>
#include <asm/udbg.h>
#include <asm/tsi108.h>
#include <asm/pci-bridge.h>
#include <asm/reg.h>
#include <mm/mmu_decl.h>
#include "mpc7448_hpc2.h"
#include <asm/tsi108_irq.h>
#include <asm/mpic.h>
#undef DEBUG
#ifdef DEBUG
#define DBG(fmt...) do { printk(fmt); } while(0)
#else
#define DBG(fmt...) do { } while(0)
#endif
#ifndef CONFIG_PCI
isa_io_base = MPC7448_HPC2_ISA_IO_BASE;
isa_mem_base = MPC7448_HPC2_ISA_MEM_BASE;
pci_dram_offset = MPC7448_HPC2_PCI_MEM_OFFSET;
#endif
extern int tsi108_setup_pci(struct device_node *dev);
extern void _nmask_and_or_msr(unsigned long nmask, unsigned long or_val);
extern void tsi108_pci_int_init(void);
extern int tsi108_irq_cascade(struct pt_regs *regs, void *unused);
/*
* Define all of the IRQ senses and polarities. Taken from the
* mpc7448hpc manual.
* Note: Likely, this table and the following function should be
* obtained and derived from the OF Device Tree.
*/
static u_char mpc7448_hpc2_pic_initsenses[] __initdata = {
/* External on-board sources */
(IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* INT[0] XINT0 from FPGA */
(IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* INT[1] XINT1 from FPGA */
(IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* INT[2] PHY_INT from both GIGE */
(IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* INT[3] RESERVED */
/* Internal Tsi108/109 interrupt sources */
(IRQ_SENSE_EDGE | IRQ_POLARITY_POSITIVE), /* Reserved IRQ */
(IRQ_SENSE_EDGE | IRQ_POLARITY_POSITIVE), /* Reserved IRQ */
(IRQ_SENSE_EDGE | IRQ_POLARITY_POSITIVE), /* Reserved IRQ */
(IRQ_SENSE_EDGE | IRQ_POLARITY_POSITIVE), /* Reserved IRQ */
(IRQ_SENSE_EDGE | IRQ_POLARITY_POSITIVE), /* DMA0 */
(IRQ_SENSE_EDGE | IRQ_POLARITY_POSITIVE), /* DMA1 */
(IRQ_SENSE_EDGE | IRQ_POLARITY_POSITIVE), /* DMA2 */
(IRQ_SENSE_EDGE | IRQ_POLARITY_POSITIVE), /* DMA3 */
(IRQ_SENSE_EDGE | IRQ_POLARITY_POSITIVE), /* UART0 */
(IRQ_SENSE_EDGE | IRQ_POLARITY_POSITIVE), /* UART1 */
(IRQ_SENSE_EDGE | IRQ_POLARITY_POSITIVE), /* I2C */
(IRQ_SENSE_EDGE | IRQ_POLARITY_POSITIVE), /* GPIO */
(IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* GIGE0 */
(IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* GIGE1 */
(IRQ_SENSE_EDGE | IRQ_POLARITY_POSITIVE), /* Reserved IRQ */
(IRQ_SENSE_EDGE | IRQ_POLARITY_POSITIVE), /* HLP */
(IRQ_SENSE_EDGE | IRQ_POLARITY_POSITIVE), /* SDC */
(IRQ_SENSE_EDGE | IRQ_POLARITY_POSITIVE), /* Processor IF */
(IRQ_SENSE_EDGE | IRQ_POLARITY_POSITIVE), /* Reserved IRQ */
(IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* PCI/X block */
};
int mpc7448_hpc2_exclude_device(u_char bus, u_char devfn)
{
if (bus == 0 && PCI_SLOT(devfn) == 0)
return PCIBIOS_DEVICE_NOT_FOUND;
else
return PCIBIOS_SUCCESSFUL;
}
/*
* find pci slot by devfn in interrupt map of OF tree
*/
u8 find_slot_by_devfn(unsigned int *interrupt_map, unsigned int devfn)
{
int i;
unsigned int tmp;
for (i = 0; i < 4; i++){
tmp = interrupt_map[i*4*7];
if ((tmp >> 11) == (devfn >> 3))
return i;
}
return i;
}
/*
* Scans the interrupt map for pci device
*/
void mpc7448_hpc2_fixup_irq(struct pci_dev *dev)
{
struct pci_controller *hose;
struct device_node *node;
unsigned int *interrupt;
int busnr;
int len;
u8 slot;
u8 pin;
/* Lookup the hose */
busnr = dev->bus->number;
hose = pci_bus_to_hose(busnr);
if (!hose)
printk(KERN_ERR "No pci hose found\n");
/* Check it has an OF node associated */
node = (struct device_node *) hose->arch_data;
if (!node)
printk(KERN_ERR "No pci node found\n");
interrupt = (unsigned int *) get_property(node, "interrupt-map", &len);
slot = find_slot_by_devfn(interrupt, dev->devfn);
pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin);
if (pin == 0 || pin > 4)
pin = 1;
pin--;
dev->irq = interrupt[slot*4*7 + pin*7 + 5];
DBG("TSI_PCI: dev->irq = 0x%x\n", dev->irq);
}
/* temporary pci irq map fixup*/
void __init mpc7448_hpc2_pcibios_fixup(void)
{
struct pci_dev *dev = NULL;
for_each_pci_dev(dev) {
mpc7448_hpc2_fixup_irq(dev);
pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq);
}
}
static void __init mpc7448_hpc2_setup_arch(void)
{
struct device_node *cpu;
struct device_node *np;
if (ppc_md.progress)
ppc_md.progress("mpc7448_hpc2_setup_arch():set_bridge", 0);
cpu = of_find_node_by_type(NULL, "cpu");
if (cpu != 0) {
unsigned int *fp;
fp = (int *)get_property(cpu, "clock-frequency", NULL);
if (fp != 0)
loops_per_jiffy = *fp / HZ;
else
loops_per_jiffy = 50000000 / HZ;
of_node_put(cpu);
}
tsi108_csr_vir_base = get_vir_csrbase();
#ifdef CONFIG_ROOT_NFS
ROOT_DEV = Root_NFS;
#else
ROOT_DEV = Root_HDA1;
#endif
#ifdef CONFIG_BLK_DEV_INITRD
ROOT_DEV = Root_RAM0;
#endif
/* setup PCI host bridge */
#ifdef CONFIG_PCI
for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;)
tsi108_setup_pci(np);
ppc_md.pci_exclude_device = mpc7448_hpc2_exclude_device;
if (ppc_md.progress)
ppc_md.progress("tsi108: resources set", 0x100);
#endif
printk(KERN_INFO "MPC7448HPC2 (TAIGA) Platform\n");
printk(KERN_INFO
"Jointly ported by Freescale and Tundra Semiconductor\n");
printk(KERN_INFO
"Enabling L2 cache then enabling the HID0 prefetch engine.\n");
}
/*
* Interrupt setup and service. Interrrupts on the mpc7448_hpc2 come
* from the four external INT pins, PCI interrupts are routed via
* PCI interrupt control registers, it generates internal IRQ23
*
* Interrupt routing on the Taiga Board:
* TSI108:PB_INT[0] -> CPU0:INT#
* TSI108:PB_INT[1] -> CPU0:MCP#
* TSI108:PB_INT[2] -> N/C
* TSI108:PB_INT[3] -> N/C
*/
static void __init mpc7448_hpc2_init_IRQ(void)
{
struct mpic *mpic;
phys_addr_t mpic_paddr = 0;
struct device_node *tsi_pic;
tsi_pic = of_find_node_by_type(NULL, "open-pic");
if (tsi_pic) {
unsigned int size;
void *prop = get_property(tsi_pic, "reg", &size);
mpic_paddr = of_translate_address(tsi_pic, prop);
}
if (mpic_paddr == 0) {
printk("%s: No tsi108 PIC found !\n", __FUNCTION__);
return;
}
DBG("%s: tsi108pic phys_addr = 0x%x\n", __FUNCTION__,
(u32) mpic_paddr);
mpic = mpic_alloc(mpic_paddr,
MPIC_PRIMARY | MPIC_BIG_ENDIAN | MPIC_WANTS_RESET |
MPIC_SPV_EOI | MPIC_MOD_ID(MPIC_ID_TSI108),
0, /* num_sources used */
TSI108_IRQ_BASE,
0, /* num_sources used */
NR_IRQS - 4 /* XXXX */,
mpc7448_hpc2_pic_initsenses,
sizeof(mpc7448_hpc2_pic_initsenses), "Tsi108_PIC");
BUG_ON(mpic == NULL); /* XXXX */
mpic_init(mpic);
mpic_setup_cascade(IRQ_TSI108_PCI, tsi108_irq_cascade, mpic);
tsi108_pci_int_init();
/* Configure MPIC outputs to CPU0 */
tsi108_write_reg(TSI108_MPIC_OFFSET + 0x30c, 0);
}
void mpc7448_hpc2_show_cpuinfo(struct seq_file *m)
{
seq_printf(m, "vendor\t\t: Freescale Semiconductor\n");
seq_printf(m, "machine\t\t: MPC7448hpc2\n");
}
void mpc7448_hpc2_restart(char *cmd)
{
local_irq_disable();
/* Set exception prefix high - to the firmware */
_nmask_and_or_msr(0, MSR_IP);
for (;;) ; /* Spin until reset happens */
}
void mpc7448_hpc2_power_off(void)
{
local_irq_disable();
for (;;) ; /* No way to shut power off with software */
}
void mpc7448_hpc2_halt(void)
{
mpc7448_hpc2_power_off();
}
/*
* Called very early, device-tree isn't unflattened
*/
static int __init mpc7448_hpc2_probe(void)
{
unsigned long root = of_get_flat_dt_root();
if (!of_flat_dt_is_compatible(root, "mpc74xx"))
return 0;
return 1;
}
static int mpc7448_machine_check_exception(struct pt_regs *regs)
{
extern void tsi108_clear_pci_cfg_error(void);
const struct exception_table_entry *entry;
/* Are we prepared to handle this fault */
if ((entry = search_exception_tables(regs->nip)) != NULL) {
tsi108_clear_pci_cfg_error();
regs->msr |= MSR_RI;
regs->nip = entry->fixup;
return 1;
}
return 0;
}
define_machine(mpc7448_hpc2){
.name = "MPC7448 HPC2",
.probe = mpc7448_hpc2_probe,
.setup_arch = mpc7448_hpc2_setup_arch,
.init_IRQ = mpc7448_hpc2_init_IRQ,
.show_cpuinfo = mpc7448_hpc2_show_cpuinfo,
.get_irq = mpic_get_irq,
.pcibios_fixup = mpc7448_hpc2_pcibios_fixup,
.restart = mpc7448_hpc2_restart,
.calibrate_decr = generic_calibrate_decr,
.machine_check_exception= mpc7448_machine_check_exception,
.progress = udbg_progress,
};

26
arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.h Normal file
View file

@ -0,0 +1,26 @@
/*
* mpc7448_hpc2.h
*
* Definitions for Freescale MPC7448_HPC2 platform
*
* Author: Jacob Pan
* jacob.pan@freescale.com
* Maintainer: Roy Zang <roy.zang@freescale.com>
*
* 2006 (c) Freescale Semiconductor, Inc. This file is licensed under
* the terms of the GNU General Public License version 2. This program
* is licensed "as is" without any warranty of any kind, whether express
* or implied.
*/
#ifndef __PPC_PLATFORMS_MPC7448_HPC2_H
#define __PPC_PLATFORMS_MPC7448_HPC2_H
#include <asm/ppcboot.h>
/* Base Addresses for the PCI bus
*/
#define MPC7448_HPC2_PCI_MEM_OFFSET (0x00000000)
#define MPC7448_HPC2_ISA_IO_BASE (0x00000000)
#define MPC7448_HPC2_ISA_MEM_BASE (0x00000000)
#endif /* __PPC_PLATFORMS_MPC7448_HPC2_H */

2
arch/powerpc/platforms/iseries/dt.c
View file

@ -252,6 +252,7 @@ static void __init dt_model(struct iseries_flat_dt *dt)
{
char buf[16] = "IBM,";
/* N.B. lparcfg.c knows about the "IBM," prefixes ... */
/* "IBM," + mfgId[2:3] + systemSerial[1:5] */
strne2a(buf + 4, xItExtVpdPanel.mfgID + 2, 2);
strne2a(buf + 6, xItExtVpdPanel.systemSerial + 1, 5);
@ -264,6 +265,7 @@ static void __init dt_model(struct iseries_flat_dt *dt)
dt_prop_str(dt, "model", buf);
dt_prop_str(dt, "compatible", "IBM,iSeries");
dt_prop_u32(dt, "ibm,partition-no", HvLpConfig_getLpIndex());
}
static void __init dt_do_vdevice(struct iseries_flat_dt *dt,

4
arch/powerpc/platforms/iseries/htab.c
View file

@ -242,13 +242,11 @@ static void iSeries_hpte_invalidate(unsigned long slot, unsigned long va,
local_irq_restore(flags);
}
void hpte_init_iSeries(void)
void __init hpte_init_iSeries(void)
{
ppc_md.hpte_invalidate = iSeries_hpte_invalidate;
ppc_md.hpte_updatepp = iSeries_hpte_updatepp;
ppc_md.hpte_updateboltedpp = iSeries_hpte_updateboltedpp;
ppc_md.hpte_insert = iSeries_hpte_insert;
ppc_md.hpte_remove = iSeries_hpte_remove;
htab_finish_init();
}

55
arch/powerpc/platforms/iseries/lpevents.c
View file

@ -51,20 +51,21 @@ static unsigned lpEventHandlerPaths[HvLpEvent_Type_NumTypes];
static struct HvLpEvent * get_next_hvlpevent(void)
{
struct HvLpEvent * event;
event = (struct HvLpEvent *)hvlpevent_queue.xSlicCurEventPtr;
event = (struct HvLpEvent *)hvlpevent_queue.hq_current_event;
if (hvlpevent_is_valid(event)) {
/* rmb() needed only for weakly consistent machines (regatta) */
rmb();
/* Set pointer to next potential event */
hvlpevent_queue.xSlicCurEventPtr += ((event->xSizeMinus1 +
LpEventAlign) / LpEventAlign) * LpEventAlign;
hvlpevent_queue.hq_current_event += ((event->xSizeMinus1 +
IT_LP_EVENT_ALIGN) / IT_LP_EVENT_ALIGN) *
IT_LP_EVENT_ALIGN;
/* Wrap to beginning if no room at end */
if (hvlpevent_queue.xSlicCurEventPtr >
hvlpevent_queue.xSlicLastValidEventPtr) {
hvlpevent_queue.xSlicCurEventPtr =
hvlpevent_queue.xSlicEventStackPtr;
if (hvlpevent_queue.hq_current_event >
hvlpevent_queue.hq_last_event) {
hvlpevent_queue.hq_current_event =
hvlpevent_queue.hq_event_stack;
}
} else {
event = NULL;
@ -82,10 +83,10 @@ int hvlpevent_is_pending(void)
if (smp_processor_id() >= spread_lpevents)
return 0;
next_event = (struct HvLpEvent *)hvlpevent_queue.xSlicCurEventPtr;
next_event = (struct HvLpEvent *)hvlpevent_queue.hq_current_event;
return hvlpevent_is_valid(next_event) ||
hvlpevent_queue.xPlicOverflowIntPending;
hvlpevent_queue.hq_overflow_pending;
}
static void hvlpevent_clear_valid(struct HvLpEvent * event)
@ -95,18 +96,18 @@ static void hvlpevent_clear_valid(struct HvLpEvent * event)
* ie. on 64-byte boundaries.
*/
struct HvLpEvent *tmp;
unsigned extra = ((event->xSizeMinus1 + LpEventAlign) /
LpEventAlign) - 1;
unsigned extra = ((event->xSizeMinus1 + IT_LP_EVENT_ALIGN) /
IT_LP_EVENT_ALIGN) - 1;
switch (extra) {
case 3:
tmp = (struct HvLpEvent*)((char*)event + 3 * LpEventAlign);
tmp = (struct HvLpEvent*)((char*)event + 3 * IT_LP_EVENT_ALIGN);
hvlpevent_invalidate(tmp);
case 2:
tmp = (struct HvLpEvent*)((char*)event + 2 * LpEventAlign);
tmp = (struct HvLpEvent*)((char*)event + 2 * IT_LP_EVENT_ALIGN);
hvlpevent_invalidate(tmp);
case 1:
tmp = (struct HvLpEvent*)((char*)event + 1 * LpEventAlign);
tmp = (struct HvLpEvent*)((char*)event + 1 * IT_LP_EVENT_ALIGN);
hvlpevent_invalidate(tmp);
}
@ -120,7 +121,7 @@ void process_hvlpevents(struct pt_regs *regs)
struct HvLpEvent * event;
/* If we have recursed, just return */
if (!spin_trylock(&hvlpevent_queue.lock))
if (!spin_trylock(&hvlpevent_queue.hq_lock))
return;
for (;;) {
@ -148,17 +149,17 @@ void process_hvlpevents(struct pt_regs *regs)
printk(KERN_INFO "Unexpected Lp Event type=%d\n", event->xType );
hvlpevent_clear_valid(event);
} else if (hvlpevent_queue.xPlicOverflowIntPending)
} else if (hvlpevent_queue.hq_overflow_pending)
/*
* No more valid events. If overflow events are
* pending process them
*/
HvCallEvent_getOverflowLpEvents(hvlpevent_queue.xIndex);
HvCallEvent_getOverflowLpEvents(hvlpevent_queue.hq_index);
else
break;
}
spin_unlock(&hvlpevent_queue.lock);
spin_unlock(&hvlpevent_queue.hq_lock);
}
static int set_spread_lpevents(char *str)
@ -184,20 +185,20 @@ void setup_hvlpevent_queue(void)
{
void *eventStack;
spin_lock_init(&hvlpevent_queue.lock);
spin_lock_init(&hvlpevent_queue.hq_lock);
/* Allocate a page for the Event Stack. */
eventStack = alloc_bootmem_pages(LpEventStackSize);
memset(eventStack, 0, LpEventStackSize);
eventStack = alloc_bootmem_pages(IT_LP_EVENT_STACK_SIZE);
memset(eventStack, 0, IT_LP_EVENT_STACK_SIZE);
/* Invoke the hypervisor to initialize the event stack */
HvCallEvent_setLpEventStack(0, eventStack, LpEventStackSize);
HvCallEvent_setLpEventStack(0, eventStack, IT_LP_EVENT_STACK_SIZE);
hvlpevent_queue.xSlicEventStackPtr = (char *)eventStack;
hvlpevent_queue.xSlicCurEventPtr = (char *)eventStack;
hvlpevent_queue.xSlicLastValidEventPtr = (char *)eventStack +
(LpEventStackSize - LpEventMaxSize);
hvlpevent_queue.xIndex = 0;
hvlpevent_queue.hq_event_stack = eventStack;
hvlpevent_queue.hq_current_event = eventStack;
hvlpevent_queue.hq_last_event = (char *)eventStack +
(IT_LP_EVENT_STACK_SIZE - IT_LP_EVENT_MAX_SIZE);
hvlpevent_queue.hq_index = 0;
}
/* Register a handler for an LpEvent type */

1
arch/powerpc/platforms/iseries/proc.c
View file

@ -24,7 +24,6 @@
#include <asm/processor.h>
#include <asm/time.h>
#include <asm/lppaca.h>
#include <asm/iseries/it_lp_queue.h>
#include <asm/iseries/hv_call_xm.h>
#include "processor_vpd.h"

19
arch/powerpc/platforms/iseries/setup.c
View file

@ -81,8 +81,6 @@ static void iSeries_pci_final_fixup(void) { }
#endif
extern int rd_size; /* Defined in drivers/block/rd.c */
extern unsigned long embedded_sysmap_start;
extern unsigned long embedded_sysmap_end;
extern unsigned long iSeries_recal_tb;
extern unsigned long iSeries_recal_titan;
@ -320,11 +318,6 @@ static void __init iSeries_init_early(void)
iSeries_recal_tb = get_tb();
iSeries_recal_titan = HvCallXm_loadTod();
/*
* Initialize the hash table management pointers
*/
hpte_init_iSeries();
/*
* Initialize the DMA/TCE management
*/
@ -563,16 +556,6 @@ static void __init iSeries_fixup_klimit(void)
if (naca.xRamDisk)
klimit = KERNELBASE + (u64)naca.xRamDisk +
(naca.xRamDiskSize * HW_PAGE_SIZE);
else {
/*
* No ram disk was included - check and see if there
* was an embedded system map. Change klimit to take
* into account any embedded system map
*/
if (embedded_sysmap_end)
klimit = KERNELBASE + ((embedded_sysmap_end + 4095) &
0xfffffffffffff000);
}
}
static int __init iSeries_src_init(void)
@ -683,6 +666,8 @@ static int __init iseries_probe(void)
*/
virt_irq_max = 255;
hpte_init_iSeries();
return 1;
}

7
arch/powerpc/platforms/maple/setup.c
View file

@ -199,11 +199,6 @@ static void __init maple_init_early(void)
{
DBG(" -> maple_init_early\n");
/* Initialize hash table, from now on, we can take hash faults
* and call ioremap
*/
hpte_init_native();
/* Setup interrupt mapping options */
ppc64_interrupt_controller = IC_OPEN_PIC;
@ -272,6 +267,8 @@ static int __init maple_probe(void)
*/
alloc_dart_table();
hpte_init_native();
return 1;
}

9
arch/powerpc/platforms/powermac/setup.c
View file

@ -600,13 +600,6 @@ pmac_halt(void)
*/
static void __init pmac_init_early(void)
{
#ifdef CONFIG_PPC64
/* Initialize hash table, from now on, we can take hash faults
* and call ioremap
*/
hpte_init_native();
#endif
/* Enable early btext debug if requested */
if (strstr(cmd_line, "btextdbg")) {
udbg_adb_init_early();
@ -683,6 +676,8 @@ static int __init pmac_probe(void)
* part of the cacheable linar mapping
*/
alloc_dart_table();
hpte_init_native();
#endif
#ifdef CONFIG_PPC32

33
arch/powerpc/platforms/pseries/iommu.c
View file

@ -92,6 +92,15 @@ static void tce_free_pSeries(struct iommu_table *tbl, long index, long npages)
*(tcep++) = 0;
}
static unsigned long tce_get_pseries(struct iommu_table *tbl, long index)
{
u64 *tcep;
index <<= TCE_PAGE_FACTOR;
tcep = ((u64 *)tbl->it_base) + index;
return *tcep;
}
static void tce_build_pSeriesLP(struct iommu_table *tbl, long tcenum,
long npages, unsigned long uaddr,
@ -235,6 +244,25 @@ static void tce_freemulti_pSeriesLP(struct iommu_table *tbl, long tcenum, long n
}
}
static unsigned long tce_get_pSeriesLP(struct iommu_table *tbl, long tcenum)
{
u64 rc;
unsigned long tce_ret;
tcenum <<= TCE_PAGE_FACTOR;
rc = plpar_tce_get((u64)tbl->it_index, (u64)tcenum << 12, &tce_ret);
if (rc && printk_ratelimit()) {
printk("tce_get_pSeriesLP: plpar_tce_get failed. rc=%ld\n",
rc);
printk("\tindex = 0x%lx\n", (u64)tbl->it_index);
printk("\ttcenum = 0x%lx\n", (u64)tcenum);
show_stack(current, (unsigned long *)__get_SP());
}
return tce_ret;
}
static void iommu_table_setparms(struct pci_controller *phb,
struct device_node *dn,
struct iommu_table *tbl)
@ -254,7 +282,10 @@ static void iommu_table_setparms(struct pci_controller *phb,
}
tbl->it_base = (unsigned long)__va(*basep);
#ifndef CONFIG_CRASH_DUMP
memset((void *)tbl->it_base, 0, *sizep);
#endif
tbl->it_busno = phb->bus->number;
@ -560,11 +591,13 @@ void iommu_init_early_pSeries(void)
ppc_md.tce_build = tce_build_pSeriesLP;
ppc_md.tce_free = tce_free_pSeriesLP;
}
ppc_md.tce_get = tce_get_pSeriesLP;
ppc_md.iommu_bus_setup = iommu_bus_setup_pSeriesLP;
ppc_md.iommu_dev_setup = iommu_dev_setup_pSeriesLP;
} else {
ppc_md.tce_build = tce_build_pSeries;
ppc_md.tce_free = tce_free_pSeries;
ppc_md.tce_get = tce_get_pseries;
ppc_md.iommu_bus_setup = iommu_bus_setup_pSeries;
ppc_md.iommu_dev_setup = iommu_dev_setup_pSeries;
}

4
arch/powerpc/platforms/pseries/lpar.c
View file

@ -513,7 +513,7 @@ void pSeries_lpar_flush_hash_range(unsigned long number, int local)
spin_unlock_irqrestore(&pSeries_lpar_tlbie_lock, flags);
}
void hpte_init_lpar(void)
void __init hpte_init_lpar(void)
{
ppc_md.hpte_invalidate = pSeries_lpar_hpte_invalidate;
ppc_md.hpte_updatepp = pSeries_lpar_hpte_updatepp;
@ -522,6 +522,4 @@ void hpte_init_lpar(void)
ppc_md.hpte_remove = pSeries_lpar_hpte_remove;
ppc_md.flush_hash_range = pSeries_lpar_flush_hash_range;
ppc_md.hpte_clear_all = pSeries_lpar_hptab_clear;
htab_finish_init();
}

10
arch/powerpc/platforms/pseries/setup.c
View file

@ -322,11 +322,6 @@ static void __init pSeries_init_early(void)
DBG(" -> pSeries_init_early()\n");
fw_feature_init();
if (firmware_has_feature(FW_FEATURE_LPAR))
hpte_init_lpar();
else
hpte_init_native();
if (firmware_has_feature(FW_FEATURE_LPAR))
find_udbg_vterm();
@ -384,6 +379,11 @@ static int __init pSeries_probe_hypertas(unsigned long node,
if (of_get_flat_dt_prop(node, "ibm,hypertas-functions", NULL) != NULL)
powerpc_firmware_features |= FW_FEATURE_LPAR;
if (firmware_has_feature(FW_FEATURE_LPAR))
hpte_init_lpar();
else
hpte_init_native();
return 1;
}

2
arch/powerpc/sysdev/Makefile
View file

@ -12,3 +12,5 @@ obj-$(CONFIG_U3_DART) += dart_iommu.o
obj-$(CONFIG_MMIO_NVRAM) += mmio_nvram.o
obj-$(CONFIG_PPC_83xx) += ipic.o
obj-$(CONFIG_FSL_SOC) += fsl_soc.o
obj-$(CONFIG_PPC_TODC) += todc.o
obj-$(CONFIG_TSI108_BRIDGE) += tsi108_pci.o tsi108_dev.o

6
arch/powerpc/sysdev/dart.h
View file

@ -47,8 +47,12 @@
/* U4 registers */
#define DART_BASE_U4_BASE_MASK 0xffffff
#define DART_BASE_U4_BASE_SHIFT 0
#define DART_CNTL_U4_FLUSHTLB 0x20000000
#define DART_CNTL_U4_ENABLE 0x80000000
#define DART_CNTL_U4_IONE 0x40000000
#define DART_CNTL_U4_FLUSHTLB 0x20000000
#define DART_CNTL_U4_IDLE 0x10000000
#define DART_CNTL_U4_PAR_EN 0x08000000
#define DART_CNTL_U4_IONE_MASK 0x07ffffff
#define DART_SIZE_U4_SIZE_MASK 0x1fff
#define DART_SIZE_U4_SIZE_SHIFT 0

49
arch/powerpc/sysdev/dart_iommu.c
View file

@ -101,8 +101,8 @@ retry:
if (l == (1L << limit)) {
if (limit < 4) {
limit++;
reg = DART_IN(DART_CNTL);
reg &= ~inv_bit;
reg = DART_IN(DART_CNTL);
reg &= ~inv_bit;
DART_OUT(DART_CNTL, reg);
goto retry;
} else
@ -111,11 +111,39 @@ retry:
}
}
static inline void dart_tlb_invalidate_one(unsigned long bus_rpn)
{
unsigned int reg;
unsigned int l, limit;
reg = DART_CNTL_U4_ENABLE | DART_CNTL_U4_IONE |
(bus_rpn & DART_CNTL_U4_IONE_MASK);
DART_OUT(DART_CNTL, reg);
limit = 0;
wait_more:
l = 0;
while ((DART_IN(DART_CNTL) & DART_CNTL_U4_IONE) && l < (1L << limit)) {
rmb();
l++;
}
if (l == (1L << limit)) {
if (limit < 4) {
limit++;
goto wait_more;
} else
panic("DART: TLB did not flush after waiting a long "
"time. Buggy U4 ?");
}
}
static void dart_flush(struct iommu_table *tbl)
{
if (dart_dirty)
if (dart_dirty) {
dart_tlb_invalidate_all();
dart_dirty = 0;
dart_dirty = 0;
}
}
static void dart_build(struct iommu_table *tbl, long index,
@ -124,6 +152,7 @@ static void dart_build(struct iommu_table *tbl, long index,
{
unsigned int *dp;
unsigned int rpn;
long l;
DBG("dart: build at: %lx, %lx, addr: %x\n", index, npages, uaddr);
@ -135,7 +164,8 @@ static void dart_build(struct iommu_table *tbl, long index,
/* On U3, all memory is contigous, so we can move this
* out of the loop.
*/
while (npages--) {
l = npages;
while (l--) {
rpn = virt_to_abs(uaddr) >> DART_PAGE_SHIFT;
*(dp++) = DARTMAP_VALID | (rpn & DARTMAP_RPNMASK);
@ -143,7 +173,14 @@ static void dart_build(struct iommu_table *tbl, long index,
uaddr += DART_PAGE_SIZE;
}
dart_dirty = 1;
if (dart_is_u4) {
rpn = index;
mb(); /* make sure all updates have reached memory */
while (npages--)
dart_tlb_invalidate_one(rpn++);
} else {
dart_dirty = 1;
}
}

392
arch/powerpc/sysdev/todc.c Normal file
View file

@ -0,0 +1,392 @@
/*
* Time of Day Clock support for the M48T35, M48T37, M48T59, and MC146818
* Real Time Clocks/Timekeepers.
*
* Author: Mark A. Greer <mgreer@mvista.com>
*
* 2001-2004 (c) MontaVista, Software, Inc. This file is licensed under
* the terms of the GNU General Public License version 2. This program
* is licensed "as is" without any warranty of any kind, whether express
* or implied.
*/
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/time.h>
#include <linux/timex.h>
#include <linux/bcd.h>
#include <linux/mc146818rtc.h>
#include <asm/machdep.h>
#include <asm/io.h>
#include <asm/time.h>
#include <asm/todc.h>
/*
* Depending on the hardware on your board and your board design, the
* RTC/NVRAM may be accessed either directly (like normal memory) or via
* address/data registers. If your board uses the direct method, set
* 'nvram_data' to the base address of your nvram and leave 'nvram_as0' and
* 'nvram_as1' NULL. If your board uses address/data regs to access nvram,
* set 'nvram_as0' to the address of the lower byte, set 'nvram_as1' to the
* address of the upper byte (leave NULL if using mc146818), and set
* 'nvram_data' to the address of the 8-bit data register.
*
* Note: Even though the documentation for the various RTC chips say that it
* take up to a second before it starts updating once the 'R' bit is
* cleared, they always seem to update even though we bang on it many
* times a second. This is true, except for the Dallas Semi 1746/1747
* (possibly others). Those chips seem to have a real problem whenever
* we set the 'R' bit before reading them, they basically stop counting.
* --MAG
*/
/*
* 'todc_info' should be initialized in your *_setup.c file to
* point to a fully initialized 'todc_info_t' structure.
* This structure holds all the register offsets for your particular
* TODC/RTC chip.
* TODC_ALLOC()/TODC_INIT() will allocate and initialize this table for you.
*/
#ifdef RTC_FREQ_SELECT
#undef RTC_FREQ_SELECT
#define RTC_FREQ_SELECT control_b /* Register A */
#endif
#ifdef RTC_CONTROL
#undef RTC_CONTROL
#define RTC_CONTROL control_a /* Register B */
#endif
#ifdef RTC_INTR_FLAGS
#undef RTC_INTR_FLAGS
#define RTC_INTR_FLAGS watchdog /* Register C */
#endif
#ifdef RTC_VALID
#undef RTC_VALID
#define RTC_VALID interrupts /* Register D */
#endif
/* Access routines when RTC accessed directly (like normal memory) */
u_char
todc_direct_read_val(int addr)
{
return readb((void __iomem *)(todc_info->nvram_data + addr));
}
void
todc_direct_write_val(int addr, unsigned char val)
{
writeb(val, (void __iomem *)(todc_info->nvram_data + addr));
return;
}
/* Access routines for accessing m48txx type chips via addr/data regs */
u_char
todc_m48txx_read_val(int addr)
{
outb(addr, todc_info->nvram_as0);
outb(addr>>todc_info->as0_bits, todc_info->nvram_as1);
return inb(todc_info->nvram_data);
}
void
todc_m48txx_write_val(int addr, unsigned char val)
{
outb(addr, todc_info->nvram_as0);
outb(addr>>todc_info->as0_bits, todc_info->nvram_as1);
outb(val, todc_info->nvram_data);
return;
}
/* Access routines for accessing mc146818 type chips via addr/data regs */
u_char
todc_mc146818_read_val(int addr)
{
outb_p(addr, todc_info->nvram_as0);
return inb_p(todc_info->nvram_data);
}
void
todc_mc146818_write_val(int addr, unsigned char val)
{
outb_p(addr, todc_info->nvram_as0);
outb_p(val, todc_info->nvram_data);
}
/*
* Routines to make RTC chips with NVRAM buried behind an addr/data pair
* have the NVRAM and clock regs appear at the same level.
* The NVRAM will appear to start at addr 0 and the clock regs will appear
* to start immediately after the NVRAM (actually, start at offset
* todc_info->nvram_size).
*/
static inline u_char
todc_read_val(int addr)
{
u_char val;
if (todc_info->sw_flags & TODC_FLAG_2_LEVEL_NVRAM) {
if (addr < todc_info->nvram_size) { /* NVRAM */
ppc_md.rtc_write_val(todc_info->nvram_addr_reg, addr);
val = ppc_md.rtc_read_val(todc_info->nvram_data_reg);
} else { /* Clock Reg */
addr -= todc_info->nvram_size;
val = ppc_md.rtc_read_val(addr);
}
} else
val = ppc_md.rtc_read_val(addr);
return val;
}
static inline void
todc_write_val(int addr, u_char val)
{
if (todc_info->sw_flags & TODC_FLAG_2_LEVEL_NVRAM) {
if (addr < todc_info->nvram_size) { /* NVRAM */
ppc_md.rtc_write_val(todc_info->nvram_addr_reg, addr);
ppc_md.rtc_write_val(todc_info->nvram_data_reg, val);
} else { /* Clock Reg */
addr -= todc_info->nvram_size;
ppc_md.rtc_write_val(addr, val);
}
} else
ppc_md.rtc_write_val(addr, val);
}
/*
* TODC routines
*
* There is some ugly stuff in that there are assumptions for the mc146818.
*
* Assumptions:
* - todc_info->control_a has the offset as mc146818 Register B reg
* - todc_info->control_b has the offset as mc146818 Register A reg
* - m48txx control reg's write enable or 'W' bit is same as
* mc146818 Register B 'SET' bit (i.e., 0x80)
*
* These assumptions were made to make the code simpler.
*/
long __init
todc_time_init(void)
{
u_char cntl_b;
if (!ppc_md.rtc_read_val)
ppc_md.rtc_read_val = ppc_md.nvram_read_val;
if (!ppc_md.rtc_write_val)
ppc_md.rtc_write_val = ppc_md.nvram_write_val;
cntl_b = todc_read_val(todc_info->control_b);
if (todc_info->rtc_type == TODC_TYPE_MC146818) {
if ((cntl_b & 0x70) != 0x20) {
printk(KERN_INFO "TODC real-time-clock was stopped."
" Now starting...");
cntl_b &= ~0x70;
cntl_b |= 0x20;
}
todc_write_val(todc_info->control_b, cntl_b);
} else if (todc_info->rtc_type == TODC_TYPE_DS17285) {
u_char mode;
mode = todc_read_val(TODC_TYPE_DS17285_CNTL_A);
/* Make sure countdown clear is not set */
mode &= ~0x40;
/* Enable oscillator, extended register set */
mode |= 0x30;
todc_write_val(TODC_TYPE_DS17285_CNTL_A, mode);
} else if (todc_info->rtc_type == TODC_TYPE_DS1501) {
u_char month;
todc_info->enable_read = TODC_DS1501_CNTL_B_TE;
todc_info->enable_write = TODC_DS1501_CNTL_B_TE;
month = todc_read_val(todc_info->month);
if ((month & 0x80) == 0x80) {
printk(KERN_INFO "TODC %s %s\n",
"real-time-clock was stopped.",
"Now starting...");
month &= ~0x80;
todc_write_val(todc_info->month, month);
}
cntl_b &= ~TODC_DS1501_CNTL_B_TE;
todc_write_val(todc_info->control_b, cntl_b);
} else { /* must be a m48txx type */
u_char cntl_a;
todc_info->enable_read = TODC_MK48TXX_CNTL_A_R;
todc_info->enable_write = TODC_MK48TXX_CNTL_A_W;
cntl_a = todc_read_val(todc_info->control_a);
/* Check & clear STOP bit in control B register */
if (cntl_b & TODC_MK48TXX_DAY_CB) {
printk(KERN_INFO "TODC %s %s\n",
"real-time-clock was stopped.",
"Now starting...");
cntl_a |= todc_info->enable_write;
cntl_b &= ~TODC_MK48TXX_DAY_CB;/* Start Oscil */
todc_write_val(todc_info->control_a, cntl_a);
todc_write_val(todc_info->control_b, cntl_b);
}
/* Make sure READ & WRITE bits are cleared. */
cntl_a &= ~(todc_info->enable_write | todc_info->enable_read);
todc_write_val(todc_info->control_a, cntl_a);
}
return 0;
}
/*
* There is some ugly stuff in that there are assumptions that for a mc146818,
* the todc_info->control_a has the offset of the mc146818 Register B reg and
* that the register'ss 'SET' bit is the same as the m48txx's write enable
* bit in the control register of the m48txx (i.e., 0x80).
*
* It was done to make the code look simpler.
*/
void
todc_get_rtc_time(struct rtc_time *tm)
{
uint year = 0, mon = 0, mday = 0, hour = 0, min = 0, sec = 0;
uint limit, i;
u_char save_control, uip = 0;
extern void GregorianDay(struct rtc_time *);
spin_lock(&rtc_lock);
save_control = todc_read_val(todc_info->control_a);
if (todc_info->rtc_type != TODC_TYPE_MC146818) {
limit = 1;
switch (todc_info->rtc_type) {
case TODC_TYPE_DS1553:
case TODC_TYPE_DS1557:
case TODC_TYPE_DS1743:
case TODC_TYPE_DS1746: /* XXXX BAD HACK -> FIX */
case TODC_TYPE_DS1747:
case TODC_TYPE_DS17285:
break;
default:
todc_write_val(todc_info->control_a,
(save_control | todc_info->enable_read));
}
} else
limit = 100000000;
for (i=0; i<limit; i++) {
if (todc_info->rtc_type == TODC_TYPE_MC146818)
uip = todc_read_val(todc_info->RTC_FREQ_SELECT);
sec = todc_read_val(todc_info->seconds) & 0x7f;
min = todc_read_val(todc_info->minutes) & 0x7f;
hour = todc_read_val(todc_info->hours) & 0x3f;
mday = todc_read_val(todc_info->day_of_month) & 0x3f;
mon = todc_read_val(todc_info->month) & 0x1f;
year = todc_read_val(todc_info->year) & 0xff;
if (todc_info->rtc_type == TODC_TYPE_MC146818) {
uip |= todc_read_val(todc_info->RTC_FREQ_SELECT);
if ((uip & RTC_UIP) == 0)
break;
}
}
if (todc_info->rtc_type != TODC_TYPE_MC146818) {
switch (todc_info->rtc_type) {
case TODC_TYPE_DS1553:
case TODC_TYPE_DS1557:
case TODC_TYPE_DS1743:
case TODC_TYPE_DS1746: /* XXXX BAD HACK -> FIX */
case TODC_TYPE_DS1747:
case TODC_TYPE_DS17285:
break;
default:
save_control &= ~(todc_info->enable_read);
todc_write_val(todc_info->control_a, save_control);
}
}
spin_unlock(&rtc_lock);
if ((todc_info->rtc_type != TODC_TYPE_MC146818)
|| ((save_control & RTC_DM_BINARY) == 0)
|| RTC_ALWAYS_BCD) {
BCD_TO_BIN(sec);
BCD_TO_BIN(min);
BCD_TO_BIN(hour);
BCD_TO_BIN(mday);
BCD_TO_BIN(mon);
BCD_TO_BIN(year);
}
if ((year + 1900) < 1970) {
year += 100;
}
tm->tm_sec = sec;
tm->tm_min = min;
tm->tm_hour = hour;
tm->tm_mday = mday;
tm->tm_mon = mon;
tm->tm_year = year;
GregorianDay(tm);
}
int
todc_set_rtc_time(struct rtc_time *tm)
{
u_char save_control, save_freq_select = 0;
spin_lock(&rtc_lock);
save_control = todc_read_val(todc_info->control_a);
/* Assuming MK48T59_RTC_CA_WRITE & RTC_SET are equal */
todc_write_val(todc_info->control_a,
(save_control | todc_info->enable_write));
save_control &= ~(todc_info->enable_write); /* in case it was set */
if (todc_info->rtc_type == TODC_TYPE_MC146818) {
save_freq_select = todc_read_val(todc_info->RTC_FREQ_SELECT);
todc_write_val(todc_info->RTC_FREQ_SELECT,
save_freq_select | RTC_DIV_RESET2);
}
if ((todc_info->rtc_type != TODC_TYPE_MC146818)
|| ((save_control & RTC_DM_BINARY) == 0)
|| RTC_ALWAYS_BCD) {
BIN_TO_BCD(tm->tm_sec);
BIN_TO_BCD(tm->tm_min);
BIN_TO_BCD(tm->tm_hour);
BIN_TO_BCD(tm->tm_mon);
BIN_TO_BCD(tm->tm_mday);
BIN_TO_BCD(tm->tm_year);
}
todc_write_val(todc_info->seconds, tm->tm_sec);
todc_write_val(todc_info->minutes, tm->tm_min);
todc_write_val(todc_info->hours, tm->tm_hour);
todc_write_val(todc_info->month, tm->tm_mon);
todc_write_val(todc_info->day_of_month, tm->tm_mday);
todc_write_val(todc_info->year, tm->tm_year);
todc_write_val(todc_info->control_a, save_control);
if (todc_info->rtc_type == TODC_TYPE_MC146818)
todc_write_val(todc_info->RTC_FREQ_SELECT, save_freq_select);
spin_unlock(&rtc_lock);
return 0;
}

145
arch/powerpc/sysdev/tsi108_dev.c Normal file
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@ -0,0 +1,145 @@
/*
* tsi108/109 device setup code
*
* Maintained by Roy Zang < tie-fei.zang@freescale.com >
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*/
#include <linux/config.h>
#include <linux/stddef.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/errno.h>
#include <linux/major.h>
#include <linux/delay.h>
#include <linux/irq.h>
#include <linux/module.h>
#include <linux/device.h>
#include <linux/platform_device.h>
#include <asm/tsi108.h>
#include <asm/system.h>
#include <asm/atomic.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/prom.h>
#include <mm/mmu_decl.h>
#undef DEBUG
#ifdef DEBUG
#define DBG(fmt...) do { printk(fmt); } while(0)
#else
#define DBG(fmt...) do { } while(0)
#endif
static phys_addr_t tsi108_csr_base = -1;
phys_addr_t get_csrbase(void)
{
struct device_node *tsi;
if (tsi108_csr_base != -1)
return tsi108_csr_base;
tsi = of_find_node_by_type(NULL, "tsi-bridge");
if (tsi) {
unsigned int size;
void *prop = get_property(tsi, "reg", &size);
tsi108_csr_base = of_translate_address(tsi, prop);
of_node_put(tsi);
};
return tsi108_csr_base;
}
u32 get_vir_csrbase(void)
{
return (u32) (ioremap(get_csrbase(), 0x10000));
}
EXPORT_SYMBOL(get_csrbase);
EXPORT_SYMBOL(get_vir_csrbase);
static int __init tsi108_eth_of_init(void)
{
struct device_node *np;
unsigned int i;
struct platform_device *tsi_eth_dev;
struct resource res;
int ret;
for (np = NULL, i = 0;
(np = of_find_compatible_node(np, "network", "tsi-ethernet")) != NULL;
i++) {
struct resource r[2];
struct device_node *phy;
hw_info tsi_eth_data;
unsigned int *id;
unsigned int *phy_id;
void *mac_addr;
phandle *ph;
memset(r, 0, sizeof(r));
memset(&tsi_eth_data, 0, sizeof(tsi_eth_data));
ret = of_address_to_resource(np, 0, &r[0]);
DBG("%s: name:start->end = %s:0x%lx-> 0x%lx\n",
__FUNCTION__,r[0].name, r[0].start, r[0].end);
if (ret)
goto err;
r[1].name = "tx";
r[1].start = np->intrs[0].line;
r[1].end = np->intrs[0].line;
r[1].flags = IORESOURCE_IRQ;
tsi_eth_dev =
platform_device_register_simple("tsi-ethernet", i, &r[0],
np->n_intrs + 1);
if (IS_ERR(tsi_eth_dev)) {
ret = PTR_ERR(tsi_eth_dev);
goto err;
}
mac_addr = get_property(np, "address", NULL);
memcpy(tsi_eth_data.mac_addr, mac_addr, 6);
ph = (phandle *) get_property(np, "phy-handle", NULL);
phy = of_find_node_by_phandle(*ph);
if (phy == NULL) {
ret = -ENODEV;
goto unreg;
}
id = (u32 *) get_property(phy, "reg", NULL);
phy_id = (u32 *) get_property(phy, "phy-id", NULL);
ret = of_address_to_resource(phy, 0, &res);
if (ret) {
of_node_put(phy);
goto unreg;
}
tsi_eth_data.regs = r[0].start;
tsi_eth_data.phyregs = res.start;
tsi_eth_data.phy = *phy_id;
tsi_eth_data.irq_num = np->intrs[0].line;
of_node_put(phy);
ret =
platform_device_add_data(tsi_eth_dev, &tsi_eth_data,
sizeof(hw_info));
if (ret)
goto unreg;
}
return 0;
unreg:
platform_device_unregister(tsi_eth_dev);
err:
return ret;
}
arch_initcall(tsi108_eth_of_init);

412
arch/powerpc/sysdev/tsi108_pci.c Normal file
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@ -0,0 +1,412 @@
/*
* Common routines for Tundra Semiconductor TSI108 host bridge.
*
* 2004-2005 (c) Tundra Semiconductor Corp.
* Author: Alex Bounine (alexandreb@tundra.com)
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc., 59
* Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/pci.h>
#include <linux/slab.h>
#include <linux/irq.h>
#include <linux/interrupt.h>
#include <asm/byteorder.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/uaccess.h>
#include <asm/machdep.h>
#include <asm/pci-bridge.h>
#include <asm/tsi108.h>
#include <asm/tsi108_irq.h>
#include <asm/prom.h>
#undef DEBUG
#ifdef DEBUG
#define DBG(x...) printk(x)
#else
#define DBG(x...)
#endif
#define tsi_mk_config_addr(bus, devfunc, offset) \
((((bus)<<16) | ((devfunc)<<8) | (offset & 0xfc)) + tsi108_pci_cfg_base)
u32 tsi108_pci_cfg_base;
u32 tsi108_csr_vir_base;
extern u32 get_vir_csrbase(void);
extern u32 tsi108_read_reg(u32 reg_offset);
extern void tsi108_write_reg(u32 reg_offset, u32 val);
int
tsi108_direct_write_config(struct pci_bus *bus, unsigned int devfunc,
int offset, int len, u32 val)
{
volatile unsigned char *cfg_addr;
if (ppc_md.pci_exclude_device)
if (ppc_md.pci_exclude_device(bus->number, devfunc))
return PCIBIOS_DEVICE_NOT_FOUND;
cfg_addr = (unsigned char *)(tsi_mk_config_addr(bus->number,
devfunc, offset) |
(offset & 0x03));
#ifdef DEBUG
printk("PCI CFG write : ");
printk("%d:0x%x:0x%x ", bus->number, devfunc, offset);
printk("%d ADDR=0x%08x ", len, (uint) cfg_addr);
printk("data = 0x%08x\n", val);
#endif
switch (len) {
case 1:
out_8((u8 *) cfg_addr, val);
break;
case 2:
out_le16((u16 *) cfg_addr, val);
break;
default:
out_le32((u32 *) cfg_addr, val);
break;
}
return PCIBIOS_SUCCESSFUL;
}
void tsi108_clear_pci_error(u32 pci_cfg_base)
{
u32 err_stat, err_addr, pci_stat;
/*
* Quietly clear PB and PCI error flags set as result
* of PCI/X configuration read requests.
*/
/* Read PB Error Log Registers */
err_stat = tsi108_read_reg(TSI108_PB_OFFSET + TSI108_PB_ERRCS);
err_addr = tsi108_read_reg(TSI108_PB_OFFSET + TSI108_PB_AERR);
if (err_stat & TSI108_PB_ERRCS_ES) {
/* Clear error flag */
tsi108_write_reg(TSI108_PB_OFFSET + TSI108_PB_ERRCS,
TSI108_PB_ERRCS_ES);
/* Clear read error reported in PB_ISR */
tsi108_write_reg(TSI108_PB_OFFSET + TSI108_PB_ISR,
TSI108_PB_ISR_PBS_RD_ERR);
/* Clear PCI/X bus cfg errors if applicable */
if ((err_addr & 0xFF000000) == pci_cfg_base) {
pci_stat =
tsi108_read_reg(TSI108_PCI_OFFSET + TSI108_PCI_CSR);
tsi108_write_reg(TSI108_PCI_OFFSET + TSI108_PCI_CSR,
pci_stat);
}
}
return;
}
#define __tsi108_read_pci_config(x, addr, op) \
__asm__ __volatile__( \
" "op" %0,0,%1\n" \
"1: eieio\n" \
"2:\n" \
".section .fixup,\"ax\"\n" \
"3: li %0,-1\n" \
" b 2b\n" \
".section __ex_table,\"a\"\n" \
" .align 2\n" \
" .long 1b,3b\n" \
".text" \
: "=r"(x) : "r"(addr))
int
tsi108_direct_read_config(struct pci_bus *bus, unsigned int devfn, int offset,
int len, u32 * val)
{
volatile unsigned char *cfg_addr;
u32 temp;
if (ppc_md.pci_exclude_device)
if (ppc_md.pci_exclude_device(bus->number, devfn))
return PCIBIOS_DEVICE_NOT_FOUND;
cfg_addr = (unsigned char *)(tsi_mk_config_addr(bus->number,
devfn,
offset) | (offset &
0x03));
switch (len) {
case 1:
__tsi108_read_pci_config(temp, cfg_addr, "lbzx");
break;
case 2:
__tsi108_read_pci_config(temp, cfg_addr, "lhbrx");
break;
default:
__tsi108_read_pci_config(temp, cfg_addr, "lwbrx");
break;
}
*val = temp;
#ifdef DEBUG
if ((0xFFFFFFFF != temp) && (0xFFFF != temp) && (0xFF != temp)) {
printk("PCI CFG read : ");
printk("%d:0x%x:0x%x ", bus->number, devfn, offset);
printk("%d ADDR=0x%08x ", len, (uint) cfg_addr);
printk("data = 0x%x\n", *val);
}
#endif
return PCIBIOS_SUCCESSFUL;
}
void tsi108_clear_pci_cfg_error(void)
{
tsi108_clear_pci_error(TSI108_PCI_CFG_BASE_PHYS);
}
static struct pci_ops tsi108_direct_pci_ops = {
tsi108_direct_read_config,
tsi108_direct_write_config
};
int __init tsi108_setup_pci(struct device_node *dev)
{
int len;
struct pci_controller *hose;
struct resource rsrc;
int *bus_range;
int primary = 0, has_address = 0;
/* PCI Config mapping */
tsi108_pci_cfg_base = (u32)ioremap(TSI108_PCI_CFG_BASE_PHYS,
TSI108_PCI_CFG_SIZE);
DBG("TSI_PCI: %s tsi108_pci_cfg_base=0x%x\n", __FUNCTION__,
tsi108_pci_cfg_base);
/* Fetch host bridge registers address */
has_address = (of_address_to_resource(dev, 0, &rsrc) == 0);
/* Get bus range if any */
bus_range = (int *)get_property(dev, "bus-range", &len);
if (bus_range == NULL || len < 2 * sizeof(int)) {
printk(KERN_WARNING "Can't get bus-range for %s, assume"
" bus 0\n", dev->full_name);
}
hose = pcibios_alloc_controller();
if (!hose) {
printk("PCI Host bridge init failed\n");
return -ENOMEM;
}
hose->arch_data = dev;
hose->set_cfg_type = 1;
hose->first_busno = bus_range ? bus_range[0] : 0;
hose->last_busno = bus_range ? bus_range[1] : 0xff;
(hose)->ops = &tsi108_direct_pci_ops;
printk(KERN_INFO "Found tsi108 PCI host bridge at 0x%08lx. "
"Firmware bus number: %d->%d\n",
rsrc.start, hose->first_busno, hose->last_busno);
/* Interpret the "ranges" property */
/* This also maps the I/O region and sets isa_io/mem_base */
pci_process_bridge_OF_ranges(hose, dev, primary);
return 0;
}
/*
* Low level utility functions
*/
static void tsi108_pci_int_mask(u_int irq)
{
u_int irp_cfg;
int int_line = (irq - IRQ_PCI_INTAD_BASE);
irp_cfg = tsi108_read_reg(TSI108_PCI_OFFSET + TSI108_PCI_IRP_CFG_CTL);
mb();
irp_cfg |= (1 << int_line); /* INTx_DIR = output */
irp_cfg &= ~(3 << (8 + (int_line * 2))); /* INTx_TYPE = unused */
tsi108_write_reg(TSI108_PCI_OFFSET + TSI108_PCI_IRP_CFG_CTL, irp_cfg);
mb();
irp_cfg = tsi108_read_reg(TSI108_PCI_OFFSET + TSI108_PCI_IRP_CFG_CTL);
}
static void tsi108_pci_int_unmask(u_int irq)
{
u_int irp_cfg;
int int_line = (irq - IRQ_PCI_INTAD_BASE);
irp_cfg = tsi108_read_reg(TSI108_PCI_OFFSET + TSI108_PCI_IRP_CFG_CTL);
mb();
irp_cfg &= ~(1 << int_line);
irp_cfg |= (3 << (8 + (int_line * 2)));
tsi108_write_reg(TSI108_PCI_OFFSET + TSI108_PCI_IRP_CFG_CTL, irp_cfg);
mb();
}
static void init_pci_source(void)
{
tsi108_write_reg(TSI108_PCI_OFFSET + TSI108_PCI_IRP_CFG_CTL,
0x0000ff00);
tsi108_write_reg(TSI108_PCI_OFFSET + TSI108_PCI_IRP_ENABLE,
TSI108_PCI_IRP_ENABLE_P_INT);
mb();
}
static inline int get_pci_source(void)
{
u_int temp = 0;
int irq = -1;
int i;
u_int pci_irp_stat;
static int mask = 0;
/* Read PCI/X block interrupt status register */
pci_irp_stat = tsi108_read_reg(TSI108_PCI_OFFSET + TSI108_PCI_IRP_STAT);
mb();
if (pci_irp_stat & TSI108_PCI_IRP_STAT_P_INT) {
/* Process Interrupt from PCI bus INTA# - INTD# lines */
temp =
tsi108_read_reg(TSI108_PCI_OFFSET +
TSI108_PCI_IRP_INTAD) & 0xf;
mb();
for (i = 0; i < 4; i++, mask++) {
if (temp & (1 << mask % 4)) {
irq = IRQ_PCI_INTA + mask % 4;
mask++;
break;
}
}
/* Disable interrupts from PCI block */
temp = tsi108_read_reg(TSI108_PCI_OFFSET + TSI108_PCI_IRP_ENABLE);
tsi108_write_reg(TSI108_PCI_OFFSET + TSI108_PCI_IRP_ENABLE,
temp & ~TSI108_PCI_IRP_ENABLE_P_INT);
mb();
(void)tsi108_read_reg(TSI108_PCI_OFFSET + TSI108_PCI_IRP_ENABLE);
mb();
}
#ifdef DEBUG
else {
printk("TSI108_PIC: error in TSI108_PCI_IRP_STAT\n");
pci_irp_stat =
tsi108_read_reg(TSI108_PCI_OFFSET + TSI108_PCI_IRP_STAT);
temp =
tsi108_read_reg(TSI108_PCI_OFFSET + TSI108_PCI_IRP_INTAD);
mb();
printk(">> stat=0x%08x intad=0x%08x ", pci_irp_stat, temp);
temp =
tsi108_read_reg(TSI108_PCI_OFFSET + TSI108_PCI_IRP_CFG_CTL);
mb();
printk("cfg_ctl=0x%08x ", temp);
temp =
tsi108_read_reg(TSI108_PCI_OFFSET + TSI108_PCI_IRP_ENABLE);
mb();
printk("irp_enable=0x%08x\n", temp);
}
#endif /* end of DEBUG */
return irq;
}
/*
* Linux descriptor level callbacks
*/
static void tsi108_pci_irq_enable(u_int irq)
{
tsi108_pci_int_unmask(irq);
}
static void tsi108_pci_irq_disable(u_int irq)
{
tsi108_pci_int_mask(irq);
}
static void tsi108_pci_irq_ack(u_int irq)
{
tsi108_pci_int_mask(irq);
}
static void tsi108_pci_irq_end(u_int irq)
{
tsi108_pci_int_unmask(irq);
/* Enable interrupts from PCI block */
tsi108_write_reg(TSI108_PCI_OFFSET + TSI108_PCI_IRP_ENABLE,
tsi108_read_reg(TSI108_PCI_OFFSET +
TSI108_PCI_IRP_ENABLE) |
TSI108_PCI_IRP_ENABLE_P_INT);
mb();
}
/*
* Interrupt controller descriptor for cascaded PCI interrupt controller.
*/
struct hw_interrupt_type tsi108_pci_irq = {
.typename = "tsi108_PCI_int",
.enable = tsi108_pci_irq_enable,
.disable = tsi108_pci_irq_disable,
.ack = tsi108_pci_irq_ack,
.end = tsi108_pci_irq_end,
};
/*
* Exported functions
*/
/*
* The Tsi108 PCI interrupts initialization routine.
*
* The INTA# - INTD# interrupts on the PCI bus are reported by the PCI block
* to the MPIC using single interrupt source (IRQ_TSI108_PCI). Therefore the
* PCI block has to be treated as a cascaded interrupt controller connected
* to the MPIC.
*/
void __init tsi108_pci_int_init(void)
{
u_int i;
DBG("Tsi108_pci_int_init: initializing PCI interrupts\n");
for (i = 0; i < NUM_PCI_IRQS; i++) {
irq_desc[i + IRQ_PCI_INTAD_BASE].handler = &tsi108_pci_irq;
irq_desc[i + IRQ_PCI_INTAD_BASE].status |= IRQ_LEVEL;
}
init_pci_source();
}
int tsi108_irq_cascade(struct pt_regs *regs, void *unused)
{
return get_pci_source();
}

9
drivers/ide/Kconfig
View file

@ -774,11 +774,18 @@ config BLK_DEV_IDEDMA_PMAC
performance.
config BLK_DEV_IDE_PMAC_BLINK
bool "Blink laptop LED on drive activity"
bool "Blink laptop LED on drive activity (DEPRECATED)"
depends on BLK_DEV_IDE_PMAC && ADB_PMU
select ADB_PMU_LED
select LEDS_TRIGGERS
select LEDS_TRIGGER_IDE_DISK
help
This option enables the use of the sleep LED as a hard drive
activity LED.
This option is deprecated, it only selects ADB_PMU_LED and
LEDS_TRIGGER_IDE_DISK and changes the code in the new led class
device to default to the ide-disk trigger (which should be set
from userspace via sysfs).
config BLK_DEV_IDE_SWARM
tristate "IDE for Sibyte evaluation boards"

125
drivers/ide/ppc/pmac.c
View file

@ -420,107 +420,6 @@ static void pmac_ide_kauai_selectproc(ide_drive_t *drive);
#endif /* CONFIG_BLK_DEV_IDEDMA_PMAC */
/*
* Below is the code for blinking the laptop LED along with hard
* disk activity.
*/
#ifdef CONFIG_BLK_DEV_IDE_PMAC_BLINK
/* Set to 50ms minimum led-on time (also used to limit frequency
* of requests sent to the PMU
*/
#define PMU_HD_BLINK_TIME (HZ/50)
static struct adb_request pmu_blink_on, pmu_blink_off;
static spinlock_t pmu_blink_lock;
static unsigned long pmu_blink_stoptime;
static int pmu_blink_ledstate;
static struct timer_list pmu_blink_timer;
static int pmu_ide_blink_enabled;
static void
pmu_hd_blink_timeout(unsigned long data)
{
unsigned long flags;
spin_lock_irqsave(&pmu_blink_lock, flags);
/* We may have been triggered again in a racy way, check
* that we really want to switch it off
*/
if (time_after(pmu_blink_stoptime, jiffies))
goto done;
/* Previous req. not complete, try 100ms more */
if (pmu_blink_off.complete == 0)
mod_timer(&pmu_blink_timer, jiffies + PMU_HD_BLINK_TIME);
else if (pmu_blink_ledstate) {
pmu_request(&pmu_blink_off, NULL, 4, 0xee, 4, 0, 0);
pmu_blink_ledstate = 0;
}
done:
spin_unlock_irqrestore(&pmu_blink_lock, flags);
}
static void
pmu_hd_kick_blink(void *data, int rw)
{
unsigned long flags;
pmu_blink_stoptime = jiffies + PMU_HD_BLINK_TIME;
wmb();
mod_timer(&pmu_blink_timer, pmu_blink_stoptime);
/* Fast path when LED is already ON */
if (pmu_blink_ledstate == 1)
return;
spin_lock_irqsave(&pmu_blink_lock, flags);
if (pmu_blink_on.complete && !pmu_blink_ledstate) {
pmu_request(&pmu_blink_on, NULL, 4, 0xee, 4, 0, 1);
pmu_blink_ledstate = 1;
}
spin_unlock_irqrestore(&pmu_blink_lock, flags);
}
static int
pmu_hd_blink_init(void)
{
struct device_node *dt;
const char *model;
/* Currently, I only enable this feature on KeyLargo based laptops,
* older laptops may support it (at least heathrow/paddington) but
* I don't feel like loading those venerable old machines with so
* much additional interrupt & PMU activity...
*/
if (pmu_get_model() != PMU_KEYLARGO_BASED)
return 0;
dt = of_find_node_by_path("/");
if (dt == NULL)
return 0;
model = (const char *)get_property(dt, "model", NULL);
if (model == NULL)
return 0;
if (strncmp(model, "PowerBook", strlen("PowerBook")) != 0 &&
strncmp(model, "iBook", strlen("iBook")) != 0) {
of_node_put(dt);
return 0;
}
of_node_put(dt);
pmu_blink_on.complete = 1;
pmu_blink_off.complete = 1;
spin_lock_init(&pmu_blink_lock);
init_timer(&pmu_blink_timer);
pmu_blink_timer.function = pmu_hd_blink_timeout;
return 1;
}
#endif /* CONFIG_BLK_DEV_IDE_PMAC_BLINK */
/*
* N.B. this can't be an initfunc, because the media-bay task can
* call ide_[un]register at any time.
@ -1192,23 +1091,6 @@ pmac_ide_do_suspend(ide_hwif_t *hwif)
pmif->timings[0] = 0;
pmif->timings[1] = 0;
#ifdef CONFIG_BLK_DEV_IDE_PMAC_BLINK
/* Note: This code will be called for every hwif, thus we'll
* try several time to stop the LED blinker timer, but that
* should be harmless
*/
if (pmu_ide_blink_enabled) {
unsigned long flags;
/* Make sure we don't hit the PMU blink */
spin_lock_irqsave(&pmu_blink_lock, flags);
if (pmu_blink_ledstate)
del_timer(&pmu_blink_timer);
pmu_blink_ledstate = 0;
spin_unlock_irqrestore(&pmu_blink_lock, flags);
}
#endif /* CONFIG_BLK_DEV_IDE_PMAC_BLINK */
disable_irq(pmif->irq);
/* The media bay will handle itself just fine */
@ -1376,13 +1258,6 @@ pmac_ide_setup_device(pmac_ide_hwif_t *pmif, ide_hwif_t *hwif)
hwif->selectproc = pmac_ide_selectproc;
hwif->speedproc = pmac_ide_tune_chipset;
#ifdef CONFIG_BLK_DEV_IDE_PMAC_BLINK
pmu_ide_blink_enabled = pmu_hd_blink_init();
if (pmu_ide_blink_enabled)
hwif->led_act = pmu_hd_kick_blink;
#endif
printk(KERN_INFO "ide%d: Found Apple %s controller, bus ID %d%s, irq %d\n",
hwif->index, model_name[pmif->kind], pmif->aapl_bus_id,
pmif->mediabay ? " (mediabay)" : "", hwif->irq);

12
drivers/macintosh/Kconfig
View file

@ -78,6 +78,18 @@ config ADB_PMU
this device; you should do so if your machine is one of those
mentioned above.
config ADB_PMU_LED
bool "Support for the Power/iBook front LED"
depends on ADB_PMU
select NEW_LEDS
select LEDS_CLASS
help
Support the front LED on Power/iBooks as a generic LED that can
be triggered by any of the supported triggers. To get the
behaviour of the old CONFIG_BLK_DEV_IDE_PMAC_BLINK, select this
and the ide-disk LED trigger and configure appropriately through
sysfs.
config PMAC_SMU
bool "Support for SMU based PowerMacs"
depends on PPC_PMAC64

1
drivers/macintosh/Makefile
View file

@ -12,6 +12,7 @@ obj-$(CONFIG_INPUT_ADBHID) += adbhid.o
obj-$(CONFIG_ANSLCD) += ans-lcd.o
obj-$(CONFIG_ADB_PMU) += via-pmu.o via-pmu-event.o
obj-$(CONFIG_ADB_PMU_LED) += via-pmu-led.o
obj-$(CONFIG_PMAC_BACKLIGHT) += via-pmu-backlight.o
obj-$(CONFIG_ADB_CUDA) += via-cuda.o
obj-$(CONFIG_PMAC_APM_EMU) += apm_emu.o

144
drivers/macintosh/via-pmu-led.c Normal file
View file

@ -0,0 +1,144 @@
/*
* via-pmu LED class device
*
* Copyright 2006 Johannes Berg <johannes@sipsolutions.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
* NON INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/device.h>
#include <linux/leds.h>
#include <linux/adb.h>
#include <linux/pmu.h>
#include <asm/prom.h>
static spinlock_t pmu_blink_lock;
static struct adb_request pmu_blink_req;
/* -1: no change, 0: request off, 1: request on */
static int requested_change;
static int sleeping;
static void pmu_req_done(struct adb_request * req)
{
unsigned long flags;
spin_lock_irqsave(&pmu_blink_lock, flags);
/* if someone requested a change in the meantime
* (we only see the last one which is fine)
* then apply it now */
if (requested_change != -1 && !sleeping)
pmu_request(&pmu_blink_req, NULL, 4, 0xee, 4, 0, requested_change);
/* reset requested change */
requested_change = -1;
spin_unlock_irqrestore(&pmu_blink_lock, flags);
}
static void pmu_led_set(struct led_classdev *led_cdev,
enum led_brightness brightness)
{
unsigned long flags;
spin_lock_irqsave(&pmu_blink_lock, flags);
switch (brightness) {
case LED_OFF:
requested_change = 0;
break;
case LED_FULL:
requested_change = 1;
break;
default:
goto out;
break;
}
/* if request isn't done, then don't do anything */
if (pmu_blink_req.complete && !sleeping)
pmu_request(&pmu_blink_req, NULL, 4, 0xee, 4, 0, requested_change);
out:
spin_unlock_irqrestore(&pmu_blink_lock, flags);
}
static struct led_classdev pmu_led = {
.name = "pmu-front-led",
#ifdef CONFIG_BLK_DEV_IDE_PMAC_BLINK
.default_trigger = "ide-disk",
#endif
.brightness_set = pmu_led_set,
};
#ifdef CONFIG_PM
static int pmu_led_sleep_call(struct pmu_sleep_notifier *self, int when)
{
unsigned long flags;
spin_lock_irqsave(&pmu_blink_lock, flags);
switch (when) {
case PBOOK_SLEEP_REQUEST:
sleeping = 1;
break;
case PBOOK_WAKE:
sleeping = 0;
break;
default:
/* do nothing */
break;
}
spin_unlock_irqrestore(&pmu_blink_lock, flags);
return PBOOK_SLEEP_OK;
}
static struct pmu_sleep_notifier via_pmu_led_sleep_notif = {
.notifier_call = pmu_led_sleep_call,
};
#endif
static int __init via_pmu_led_init(void)
{
struct device_node *dt;
const char *model;
/* only do this on keylargo based models */
if (pmu_get_model() != PMU_KEYLARGO_BASED)
return -ENODEV;
dt = of_find_node_by_path("/");
if (dt == NULL)
return -ENODEV;
model = (const char *)get_property(dt, "model", NULL);
if (model == NULL)
return -ENODEV;
if (strncmp(model, "PowerBook", strlen("PowerBook")) != 0 &&
strncmp(model, "iBook", strlen("iBook")) != 0) {
of_node_put(dt);
/* ignore */
return -ENODEV;
}
of_node_put(dt);
spin_lock_init(&pmu_blink_lock);
/* no outstanding req */
pmu_blink_req.complete = 1;
pmu_blink_req.done = pmu_req_done;
#ifdef CONFIG_PM
pmu_register_sleep_notifier(&via_pmu_led_sleep_notif);
#endif
return led_classdev_register(NULL, &pmu_led);
}
late_initcall(via_pmu_led_init);

48
include/asm-powerpc/cputable.h
View file

@ -117,38 +117,30 @@ extern void do_cpu_ftr_fixups(unsigned long offset);
#define CPU_FTR_PPC_LE ASM_CONST(0x0000000000200000)
#define CPU_FTR_REAL_LE ASM_CONST(0x0000000000400000)
/*
* Add the 64-bit processor unique features in the top half of the word;
* on 32-bit, make the names available but defined to be 0.
*/
#ifdef __powerpc64__
/* Add the 64b processor unique features in the top half of the word */
#define CPU_FTR_SLB ASM_CONST(0x0000000100000000)
#define CPU_FTR_16M_PAGE ASM_CONST(0x0000000200000000)
#define CPU_FTR_TLBIEL ASM_CONST(0x0000000400000000)
#define CPU_FTR_NOEXECUTE ASM_CONST(0x0000000800000000)
#define CPU_FTR_IABR ASM_CONST(0x0000002000000000)
#define CPU_FTR_MMCRA ASM_CONST(0x0000004000000000)
#define CPU_FTR_CTRL ASM_CONST(0x0000008000000000)
#define CPU_FTR_SMT ASM_CONST(0x0000010000000000)
#define CPU_FTR_COHERENT_ICACHE ASM_CONST(0x0000020000000000)
#define CPU_FTR_LOCKLESS_TLBIE ASM_CONST(0x0000040000000000)
#define CPU_FTR_CI_LARGE_PAGE ASM_CONST(0x0000100000000000)
#define CPU_FTR_PAUSE_ZERO ASM_CONST(0x0000200000000000)
#define CPU_FTR_PURR ASM_CONST(0x0000400000000000)
#define LONG_ASM_CONST(x) ASM_CONST(x)
#else
/* ensure on 32b processors the flags are available for compiling but
* don't do anything */
#define CPU_FTR_SLB ASM_CONST(0x0)
#define CPU_FTR_16M_PAGE ASM_CONST(0x0)
#define CPU_FTR_TLBIEL ASM_CONST(0x0)
#define CPU_FTR_NOEXECUTE ASM_CONST(0x0)
#define CPU_FTR_IABR ASM_CONST(0x0)
#define CPU_FTR_MMCRA ASM_CONST(0x0)
#define CPU_FTR_CTRL ASM_CONST(0x0)
#define CPU_FTR_SMT ASM_CONST(0x0)
#define CPU_FTR_COHERENT_ICACHE ASM_CONST(0x0)
#define CPU_FTR_LOCKLESS_TLBIE ASM_CONST(0x0)
#define CPU_FTR_CI_LARGE_PAGE ASM_CONST(0x0)
#define CPU_FTR_PURR ASM_CONST(0x0)
#define LONG_ASM_CONST(x) 0
#endif
#define CPU_FTR_SLB LONG_ASM_CONST(0x0000000100000000)
#define CPU_FTR_16M_PAGE LONG_ASM_CONST(0x0000000200000000)
#define CPU_FTR_TLBIEL LONG_ASM_CONST(0x0000000400000000)
#define CPU_FTR_NOEXECUTE LONG_ASM_CONST(0x0000000800000000)
#define CPU_FTR_IABR LONG_ASM_CONST(0x0000002000000000)
#define CPU_FTR_MMCRA LONG_ASM_CONST(0x0000004000000000)
#define CPU_FTR_CTRL LONG_ASM_CONST(0x0000008000000000)
#define CPU_FTR_SMT LONG_ASM_CONST(0x0000010000000000)
#define CPU_FTR_COHERENT_ICACHE LONG_ASM_CONST(0x0000020000000000)
#define CPU_FTR_LOCKLESS_TLBIE LONG_ASM_CONST(0x0000040000000000)
#define CPU_FTR_CI_LARGE_PAGE LONG_ASM_CONST(0x0000100000000000)
#define CPU_FTR_PAUSE_ZERO LONG_ASM_CONST(0x0000200000000000)
#define CPU_FTR_PURR LONG_ASM_CONST(0x0000400000000000)
#ifndef __ASSEMBLY__
#define CPU_FTR_PPCAS_ARCH_V2_BASE (CPU_FTR_SLB | \

40
include/asm-powerpc/iseries/it_lp_queue.h
View file

@ -29,20 +29,20 @@
struct HvLpEvent;
#define ITMaxLpQueues 8
#define IT_LP_MAX_QUEUES 8
#define NotUsed 0 // Queue will not be used by PLIC
#define DedicatedIo 1 // Queue dedicated to IO processor specified
#define DedicatedLp 2 // Queue dedicated to LP specified
#define Shared 3 // Queue shared for both IO and LP
#define IT_LP_NOT_USED 0 /* Queue will not be used by PLIC */
#define IT_LP_DEDICATED_IO 1 /* Queue dedicated to IO processor specified */
#define IT_LP_DEDICATED_LP 2 /* Queue dedicated to LP specified */
#define IT_LP_SHARED 3 /* Queue shared for both IO and LP */
#define LpEventStackSize 4096
#define LpEventMaxSize 256
#define LpEventAlign 64
#define IT_LP_EVENT_STACK_SIZE 4096
#define IT_LP_EVENT_MAX_SIZE 256
#define IT_LP_EVENT_ALIGN 64
struct hvlpevent_queue {
/*
* The xSlicCurEventPtr is the pointer to the next event stack entry
* The hq_current_event is the pointer to the next event stack entry
* that will become valid. The OS must peek at this entry to determine
* if it is valid. PLIC will set the valid indicator as the very last
* store into that entry.
@ -52,23 +52,23 @@ struct hvlpevent_queue {
* location again.
*
* If the event stack fills and there are overflow events, then PLIC
* will set the xPlicOverflowIntPending flag in which case the OS will
* will set the hq_overflow_pending flag in which case the OS will
* have to fetch the additional LP events once they have drained the
* event stack.
*
* The first 16-bytes are known by both the OS and PLIC. The remainder
* of the cache line is for use by the OS.
*/
u8 xPlicOverflowIntPending;// 0x00 Overflow events are pending
u8 xPlicStatus; // 0x01 DedicatedIo or DedicatedLp or NotUsed
u16 xSlicLogicalProcIndex; // 0x02 Logical Proc Index for correlation
u8 xPlicRsvd[12]; // 0x04
char *xSlicCurEventPtr; // 0x10
char *xSlicLastValidEventPtr; // 0x18
char *xSlicEventStackPtr; // 0x20
u8 xIndex; // 0x28 unique sequential index.
u8 xSlicRsvd[3]; // 0x29-2b
spinlock_t lock;
u8 hq_overflow_pending; /* 0x00 Overflow events are pending */
u8 hq_status; /* 0x01 DedicatedIo or DedicatedLp or NotUsed */
u16 hq_proc_index; /* 0x02 Logical Proc Index for correlation */
u8 hq_reserved1[12]; /* 0x04 */
char *hq_current_event; /* 0x10 */
char *hq_last_event; /* 0x18 */
char *hq_event_stack; /* 0x20 */
u8 hq_index; /* 0x28 unique sequential index. */
u8 hq_reserved2[3]; /* 0x29-2b */
spinlock_t hq_lock;
};
extern struct hvlpevent_queue hvlpevent_queue;

2
include/asm-powerpc/kdump.h
View file

@ -15,6 +15,8 @@
#define KDUMP_TRAMPOLINE_START 0x0100
#define KDUMP_TRAMPOLINE_END 0x3000
#define KDUMP_MIN_TCE_ENTRIES 2048
#else /* !CONFIG_CRASH_DUMP */
#define PHYSICAL_START 0x0

9
include/asm-powerpc/kexec.h
View file

@ -112,9 +112,13 @@ static inline void crash_setup_regs(struct pt_regs *newregs,
#ifdef __powerpc64__
extern void kexec_smp_wait(void); /* get and clear naca physid, wait for
master to copy new code to 0 */
extern void __init kexec_setup(void);
extern int crashing_cpu;
extern void crash_send_ipi(void (*crash_ipi_callback)(struct pt_regs *));
extern cpumask_t cpus_in_sr;
static inline int kexec_sr_activated(int cpu)
{
return cpu_isset(cpu,cpus_in_sr);
}
#endif /* __powerpc64 __ */
struct kimage;
@ -124,10 +128,13 @@ extern int default_machine_kexec_prepare(struct kimage *image);
extern void default_machine_crash_shutdown(struct pt_regs *regs);
extern void machine_kexec_simple(struct kimage *image);
extern void crash_kexec_secondary(struct pt_regs *regs);
extern int overlaps_crashkernel(unsigned long start, unsigned long size);
extern void reserve_crashkernel(void);
#else /* !CONFIG_KEXEC */
static inline int kexec_sr_activated(int cpu) { return 0; }
static inline void crash_kexec_secondary(struct pt_regs *regs) { }
static inline int overlaps_crashkernel(unsigned long start, unsigned long size)
{

2
include/asm-powerpc/machdep.h
View file

@ -81,6 +81,8 @@ struct machdep_calls {
void (*tce_free)(struct iommu_table *tbl,
long index,
long npages);
unsigned long (*tce_get)(struct iommu_table *tbl,
long index);
void (*tce_flush)(struct iommu_table *tbl);
void (*iommu_dev_setup)(struct pci_dev *dev);
void (*iommu_bus_setup)(struct pci_bus *bus);

1
include/asm-powerpc/mmu.h
View file

@ -238,7 +238,6 @@ extern int hash_huge_page(struct mm_struct *mm, unsigned long access,
unsigned long ea, unsigned long vsid, int local,
unsigned long trap);
extern void htab_finish_init(void);
extern int htab_bolt_mapping(unsigned long vstart, unsigned long vend,
unsigned long pstart, unsigned long mode,
int psize);

7
include/asm-powerpc/mmu_context.h
View file

@ -25,8 +25,13 @@ static inline void enter_lazy_tlb(struct mm_struct *mm,
{
}
/*
* The proto-VSID space has 2^35 - 1 segments available for user mappings.
* Each segment contains 2^28 bytes. Each context maps 2^44 bytes,
* so we can support 2^19-1 contexts (19 == 35 + 28 - 44).
*/
#define NO_CONTEXT 0
#define MAX_CONTEXT (0x100000-1)
#define MAX_CONTEXT ((1UL << 19) - 1)
extern int init_new_context(struct task_struct *tsk, struct mm_struct *mm);
extern void destroy_context(struct mm_struct *mm);

5
include/asm-powerpc/mpc86xx.h
View file

@ -15,15 +15,10 @@
#ifndef __ASM_POWERPC_MPC86xx_H__
#define __ASM_POWERPC_MPC86xx_H__
#include <linux/config.h>
#include <asm/mmu.h>
#ifdef CONFIG_PPC_86xx
#ifdef CONFIG_MPC8641_HPCN
#include <platforms/86xx/mpc8641_hpcn.h>
#endif
#define _IO_BASE isa_io_base
#define _ISA_MEM_BASE isa_mem_base
#ifdef CONFIG_PCI

3
include/asm-powerpc/rtas.h
View file

@ -181,6 +181,9 @@ extern int rtas_set_rtc_time(struct rtc_time *rtc_time);
extern unsigned int rtas_busy_delay_time(int status);
extern unsigned int rtas_busy_delay(int status);
extern int early_init_dt_scan_rtas(unsigned long node,
const char *uname, int depth, void *data);
extern void pSeries_log_error(char *buf, unsigned int err_type, int fatal);
/* Error types logged. */

6
include/asm-powerpc/time.h
View file

@ -18,8 +18,9 @@
#include <linux/percpu.h>
#include <asm/processor.h>
#ifdef CONFIG_PPC64
#ifdef CONFIG_PPC_ISERIES
#include <asm/paca.h>
#include <asm/firmware.h>
#include <asm/iseries/hv_call.h>
#endif
@ -177,7 +178,8 @@ static inline void set_dec(int val)
#ifdef CONFIG_PPC_ISERIES
int cur_dec;
if (get_lppaca()->shared_proc) {
if (firmware_has_feature(FW_FEATURE_ISERIES) &&
get_lppaca()->shared_proc) {
get_lppaca()->virtual_decr = val;
cur_dec = get_dec();
if (cur_dec > val)

487
include/asm-powerpc/todc.h Normal file
View file

@ -0,0 +1,487 @@
/*
* Definitions for the M48Txx and mc146818 series of Time of day/Real Time
* Clock chips.
*
* Author: Mark A. Greer <mgreer@mvista.com>
*
* 2001 (c) MontaVista, Software, Inc. This file is licensed under
* the terms of the GNU General Public License version 2. This program
* is licensed "as is" without any warranty of any kind, whether express
* or implied.
*/
/*
* Support for the M48T37/M48T59/.../mc146818 Real Time Clock chips.
* Purpose is to make one generic file that handles all of these chips instead
* of every platform implementing the same code over & over again.
*/
#ifndef __PPC_KERNEL_TODC_H
#define __PPC_KERNEL_TODC_H
typedef struct {
uint rtc_type; /* your particular chip */
/*
* Following are the addresses of the AS0, AS1, and DATA registers
* of these chips. Note that these are board-specific.
*/
unsigned int nvram_as0;
unsigned int nvram_as1;
unsigned int nvram_data;
/*
* Define bits to stop external set of regs from changing so
* the chip can be read/written reliably.
*/
unsigned char enable_read;
unsigned char enable_write;
/*
* Following is the number of AS0 address bits. This is normally
* 8 but some bad hardware routes address lines incorrectly.
*/
int as0_bits;
int nvram_size; /* Size of NVRAM on chip */
int sw_flags; /* Software control flags */
/* Following are the register offsets for the particular chip */
int year;
int month;
int day_of_month;
int day_of_week;
int hours;
int minutes;
int seconds;
int control_b;
int control_a;
int watchdog;
int interrupts;
int alarm_date;
int alarm_hour;
int alarm_minutes;
int alarm_seconds;
int century;
int flags;
/*
* Some RTC chips have their NVRAM buried behind a addr/data pair of
* regs on the first level/clock registers. The following fields
* are the addresses for those addr/data regs.
*/
int nvram_addr_reg;
int nvram_data_reg;
} todc_info_t;
/*
* Define the types of TODC/RTC variants that are supported in
* arch/ppc/kernel/todc_time.c
* Make a new one of these for any chip somehow differs from what's already
* defined. That way, if you ever need to put in code to touch those
* bits/registers in todc_time.c, you can put it inside an
* 'if (todc_info->rtc_type == TODC_TYPE_XXX)' so you won't break
* anyone else.
*/
#define TODC_TYPE_MK48T35 1
#define TODC_TYPE_MK48T37 2
#define TODC_TYPE_MK48T59 3
#define TODC_TYPE_DS1693 4 /* Dallas DS1693 RTC */
#define TODC_TYPE_DS1743 5 /* Dallas DS1743 RTC */
#define TODC_TYPE_DS1746 6 /* Dallas DS1746 RTC */
#define TODC_TYPE_DS1747 7 /* Dallas DS1747 RTC */
#define TODC_TYPE_DS1501 8 /* Dallas DS1501 RTC */
#define TODC_TYPE_DS1643 9 /* Dallas DS1643 RTC */
#define TODC_TYPE_PC97307 10 /* PC97307 internal RTC */
#define TODC_TYPE_DS1557 11 /* Dallas DS1557 RTC */
#define TODC_TYPE_DS17285 12 /* Dallas DS17285 RTC */
#define TODC_TYPE_DS1553 13 /* Dallas DS1553 RTC */
#define TODC_TYPE_MC146818 100 /* Leave room for m48txx's */
/*
* Bit to clear/set to enable reads/writes to the chip
*/
#define TODC_MK48TXX_CNTL_A_R 0x40
#define TODC_MK48TXX_CNTL_A_W 0x80
#define TODC_MK48TXX_DAY_CB 0x80
#define TODC_DS1501_CNTL_B_TE 0x80
/*
* Define flag bits used by todc routines.
*/
#define TODC_FLAG_2_LEVEL_NVRAM 0x00000001
/*
* Define the values for the various RTC's that should to into the todc_info
* table.
* Note: The XXX_NVRAM_SIZE, XXX_NVRAM_ADDR_REG, and XXX_NVRAM_DATA_REG only
* matter if XXX_SW_FLAGS has TODC_FLAG_2_LEVEL_NVRAM set.
*/
#define TODC_TYPE_MK48T35_NVRAM_SIZE 0x7ff8
#define TODC_TYPE_MK48T35_SW_FLAGS 0
#define TODC_TYPE_MK48T35_YEAR 0x7fff
#define TODC_TYPE_MK48T35_MONTH 0x7ffe
#define TODC_TYPE_MK48T35_DOM 0x7ffd /* Day of Month */
#define TODC_TYPE_MK48T35_DOW 0x7ffc /* Day of Week */
#define TODC_TYPE_MK48T35_HOURS 0x7ffb
#define TODC_TYPE_MK48T35_MINUTES 0x7ffa
#define TODC_TYPE_MK48T35_SECONDS 0x7ff9
#define TODC_TYPE_MK48T35_CNTL_B 0x7ff9
#define TODC_TYPE_MK48T35_CNTL_A 0x7ff8
#define TODC_TYPE_MK48T35_WATCHDOG 0x0000
#define TODC_TYPE_MK48T35_INTERRUPTS 0x0000
#define TODC_TYPE_MK48T35_ALARM_DATE 0x0000
#define TODC_TYPE_MK48T35_ALARM_HOUR 0x0000
#define TODC_TYPE_MK48T35_ALARM_MINUTES 0x0000
#define TODC_TYPE_MK48T35_ALARM_SECONDS 0x0000
#define TODC_TYPE_MK48T35_CENTURY 0x0000
#define TODC_TYPE_MK48T35_FLAGS 0x0000
#define TODC_TYPE_MK48T35_NVRAM_ADDR_REG 0
#define TODC_TYPE_MK48T35_NVRAM_DATA_REG 0
#define TODC_TYPE_MK48T37_NVRAM_SIZE 0x7ff0
#define TODC_TYPE_MK48T37_SW_FLAGS 0
#define TODC_TYPE_MK48T37_YEAR 0x7fff
#define TODC_TYPE_MK48T37_MONTH 0x7ffe
#define TODC_TYPE_MK48T37_DOM 0x7ffd /* Day of Month */
#define TODC_TYPE_MK48T37_DOW 0x7ffc /* Day of Week */
#define TODC_TYPE_MK48T37_HOURS 0x7ffb
#define TODC_TYPE_MK48T37_MINUTES 0x7ffa
#define TODC_TYPE_MK48T37_SECONDS 0x7ff9
#define TODC_TYPE_MK48T37_CNTL_B 0x7ff9
#define TODC_TYPE_MK48T37_CNTL_A 0x7ff8
#define TODC_TYPE_MK48T37_WATCHDOG 0x7ff7
#define TODC_TYPE_MK48T37_INTERRUPTS 0x7ff6
#define TODC_TYPE_MK48T37_ALARM_DATE 0x7ff5
#define TODC_TYPE_MK48T37_ALARM_HOUR 0x7ff4
#define TODC_TYPE_MK48T37_ALARM_MINUTES 0x7ff3
#define TODC_TYPE_MK48T37_ALARM_SECONDS 0x7ff2
#define TODC_TYPE_MK48T37_CENTURY 0x7ff1
#define TODC_TYPE_MK48T37_FLAGS 0x7ff0
#define TODC_TYPE_MK48T37_NVRAM_ADDR_REG 0
#define TODC_TYPE_MK48T37_NVRAM_DATA_REG 0
#define TODC_TYPE_MK48T59_NVRAM_SIZE 0x1ff0
#define TODC_TYPE_MK48T59_SW_FLAGS 0
#define TODC_TYPE_MK48T59_YEAR 0x1fff
#define TODC_TYPE_MK48T59_MONTH 0x1ffe
#define TODC_TYPE_MK48T59_DOM 0x1ffd /* Day of Month */
#define TODC_TYPE_MK48T59_DOW 0x1ffc /* Day of Week */
#define TODC_TYPE_MK48T59_HOURS 0x1ffb
#define TODC_TYPE_MK48T59_MINUTES 0x1ffa
#define TODC_TYPE_MK48T59_SECONDS 0x1ff9
#define TODC_TYPE_MK48T59_CNTL_B 0x1ff9
#define TODC_TYPE_MK48T59_CNTL_A 0x1ff8
#define TODC_TYPE_MK48T59_WATCHDOG 0x1fff
#define TODC_TYPE_MK48T59_INTERRUPTS 0x1fff
#define TODC_TYPE_MK48T59_ALARM_DATE 0x1fff
#define TODC_TYPE_MK48T59_ALARM_HOUR 0x1fff
#define TODC_TYPE_MK48T59_ALARM_MINUTES 0x1fff
#define TODC_TYPE_MK48T59_ALARM_SECONDS 0x1fff
#define TODC_TYPE_MK48T59_CENTURY 0x1fff
#define TODC_TYPE_MK48T59_FLAGS 0x1fff
#define TODC_TYPE_MK48T59_NVRAM_ADDR_REG 0
#define TODC_TYPE_MK48T59_NVRAM_DATA_REG 0
#define TODC_TYPE_DS1501_NVRAM_SIZE 0x100
#define TODC_TYPE_DS1501_SW_FLAGS TODC_FLAG_2_LEVEL_NVRAM
#define TODC_TYPE_DS1501_YEAR (TODC_TYPE_DS1501_NVRAM_SIZE + 0x06)
#define TODC_TYPE_DS1501_MONTH (TODC_TYPE_DS1501_NVRAM_SIZE + 0x05)
#define TODC_TYPE_DS1501_DOM (TODC_TYPE_DS1501_NVRAM_SIZE + 0x04)
#define TODC_TYPE_DS1501_DOW (TODC_TYPE_DS1501_NVRAM_SIZE + 0x03)
#define TODC_TYPE_DS1501_HOURS (TODC_TYPE_DS1501_NVRAM_SIZE + 0x02)
#define TODC_TYPE_DS1501_MINUTES (TODC_TYPE_DS1501_NVRAM_SIZE + 0x01)
#define TODC_TYPE_DS1501_SECONDS (TODC_TYPE_DS1501_NVRAM_SIZE + 0x00)
#define TODC_TYPE_DS1501_CNTL_B (TODC_TYPE_DS1501_NVRAM_SIZE + 0x0f)
#define TODC_TYPE_DS1501_CNTL_A (TODC_TYPE_DS1501_NVRAM_SIZE + 0x0f)
#define TODC_TYPE_DS1501_WATCHDOG (TODC_TYPE_DS1501_NVRAM_SIZE + 0xff)
#define TODC_TYPE_DS1501_INTERRUPTS (TODC_TYPE_DS1501_NVRAM_SIZE + 0xff)
#define TODC_TYPE_DS1501_ALARM_DATE (TODC_TYPE_DS1501_NVRAM_SIZE + 0x0b)
#define TODC_TYPE_DS1501_ALARM_HOUR (TODC_TYPE_DS1501_NVRAM_SIZE + 0x0a)
#define TODC_TYPE_DS1501_ALARM_MINUTES (TODC_TYPE_DS1501_NVRAM_SIZE + 0x09)
#define TODC_TYPE_DS1501_ALARM_SECONDS (TODC_TYPE_DS1501_NVRAM_SIZE + 0x08)
#define TODC_TYPE_DS1501_CENTURY (TODC_TYPE_DS1501_NVRAM_SIZE + 0x07)
#define TODC_TYPE_DS1501_FLAGS (TODC_TYPE_DS1501_NVRAM_SIZE + 0xff)
#define TODC_TYPE_DS1501_NVRAM_ADDR_REG 0x10
#define TODC_TYPE_DS1501_NVRAM_DATA_REG 0x13
#define TODC_TYPE_DS1553_NVRAM_SIZE 0x1ff0
#define TODC_TYPE_DS1553_SW_FLAGS 0
#define TODC_TYPE_DS1553_YEAR 0x1fff
#define TODC_TYPE_DS1553_MONTH 0x1ffe
#define TODC_TYPE_DS1553_DOM 0x1ffd /* Day of Month */
#define TODC_TYPE_DS1553_DOW 0x1ffc /* Day of Week */
#define TODC_TYPE_DS1553_HOURS 0x1ffb
#define TODC_TYPE_DS1553_MINUTES 0x1ffa
#define TODC_TYPE_DS1553_SECONDS 0x1ff9
#define TODC_TYPE_DS1553_CNTL_B 0x1ff9
#define TODC_TYPE_DS1553_CNTL_A 0x1ff8 /* control_a R/W regs */
#define TODC_TYPE_DS1553_WATCHDOG 0x1ff7
#define TODC_TYPE_DS1553_INTERRUPTS 0x1ff6
#define TODC_TYPE_DS1553_ALARM_DATE 0x1ff5
#define TODC_TYPE_DS1553_ALARM_HOUR 0x1ff4
#define TODC_TYPE_DS1553_ALARM_MINUTES 0x1ff3
#define TODC_TYPE_DS1553_ALARM_SECONDS 0x1ff2
#define TODC_TYPE_DS1553_CENTURY 0x1ff8
#define TODC_TYPE_DS1553_FLAGS 0x1ff0
#define TODC_TYPE_DS1553_NVRAM_ADDR_REG 0
#define TODC_TYPE_DS1553_NVRAM_DATA_REG 0
#define TODC_TYPE_DS1557_NVRAM_SIZE 0x7fff0
#define TODC_TYPE_DS1557_SW_FLAGS 0
#define TODC_TYPE_DS1557_YEAR 0x7ffff
#define TODC_TYPE_DS1557_MONTH 0x7fffe
#define TODC_TYPE_DS1557_DOM 0x7fffd /* Day of Month */
#define TODC_TYPE_DS1557_DOW 0x7fffc /* Day of Week */
#define TODC_TYPE_DS1557_HOURS 0x7fffb
#define TODC_TYPE_DS1557_MINUTES 0x7fffa
#define TODC_TYPE_DS1557_SECONDS 0x7fff9
#define TODC_TYPE_DS1557_CNTL_B 0x7fff9
#define TODC_TYPE_DS1557_CNTL_A 0x7fff8 /* control_a R/W regs */
#define TODC_TYPE_DS1557_WATCHDOG 0x7fff7
#define TODC_TYPE_DS1557_INTERRUPTS 0x7fff6
#define TODC_TYPE_DS1557_ALARM_DATE 0x7fff5
#define TODC_TYPE_DS1557_ALARM_HOUR 0x7fff4
#define TODC_TYPE_DS1557_ALARM_MINUTES 0x7fff3
#define TODC_TYPE_DS1557_ALARM_SECONDS 0x7fff2
#define TODC_TYPE_DS1557_CENTURY 0x7fff8
#define TODC_TYPE_DS1557_FLAGS 0x7fff0
#define TODC_TYPE_DS1557_NVRAM_ADDR_REG 0
#define TODC_TYPE_DS1557_NVRAM_DATA_REG 0
#define TODC_TYPE_DS1643_NVRAM_SIZE 0x1ff8
#define TODC_TYPE_DS1643_SW_FLAGS 0
#define TODC_TYPE_DS1643_YEAR 0x1fff
#define TODC_TYPE_DS1643_MONTH 0x1ffe
#define TODC_TYPE_DS1643_DOM 0x1ffd /* Day of Month */
#define TODC_TYPE_DS1643_DOW 0x1ffc /* Day of Week */
#define TODC_TYPE_DS1643_HOURS 0x1ffb
#define TODC_TYPE_DS1643_MINUTES 0x1ffa
#define TODC_TYPE_DS1643_SECONDS 0x1ff9
#define TODC_TYPE_DS1643_CNTL_B 0x1ff9
#define TODC_TYPE_DS1643_CNTL_A 0x1ff8 /* control_a R/W regs */
#define TODC_TYPE_DS1643_WATCHDOG 0x1fff
#define TODC_TYPE_DS1643_INTERRUPTS 0x1fff
#define TODC_TYPE_DS1643_ALARM_DATE 0x1fff
#define TODC_TYPE_DS1643_ALARM_HOUR 0x1fff
#define TODC_TYPE_DS1643_ALARM_MINUTES 0x1fff
#define TODC_TYPE_DS1643_ALARM_SECONDS 0x1fff
#define TODC_TYPE_DS1643_CENTURY 0x1ff8
#define TODC_TYPE_DS1643_FLAGS 0x1fff
#define TODC_TYPE_DS1643_NVRAM_ADDR_REG 0
#define TODC_TYPE_DS1643_NVRAM_DATA_REG 0
#define TODC_TYPE_DS1693_NVRAM_SIZE 0 /* Not handled yet */
#define TODC_TYPE_DS1693_SW_FLAGS 0
#define TODC_TYPE_DS1693_YEAR 0x09
#define TODC_TYPE_DS1693_MONTH 0x08
#define TODC_TYPE_DS1693_DOM 0x07 /* Day of Month */
#define TODC_TYPE_DS1693_DOW 0x06 /* Day of Week */
#define TODC_TYPE_DS1693_HOURS 0x04
#define TODC_TYPE_DS1693_MINUTES 0x02
#define TODC_TYPE_DS1693_SECONDS 0x00
#define TODC_TYPE_DS1693_CNTL_B 0x0b
#define TODC_TYPE_DS1693_CNTL_A 0x0a
#define TODC_TYPE_DS1693_WATCHDOG 0xff
#define TODC_TYPE_DS1693_INTERRUPTS 0xff
#define TODC_TYPE_DS1693_ALARM_DATE 0x49
#define TODC_TYPE_DS1693_ALARM_HOUR 0x05
#define TODC_TYPE_DS1693_ALARM_MINUTES 0x03
#define TODC_TYPE_DS1693_ALARM_SECONDS 0x01
#define TODC_TYPE_DS1693_CENTURY 0x48
#define TODC_TYPE_DS1693_FLAGS 0xff
#define TODC_TYPE_DS1693_NVRAM_ADDR_REG 0
#define TODC_TYPE_DS1693_NVRAM_DATA_REG 0
#define TODC_TYPE_DS1743_NVRAM_SIZE 0x1ff8
#define TODC_TYPE_DS1743_SW_FLAGS 0
#define TODC_TYPE_DS1743_YEAR 0x1fff
#define TODC_TYPE_DS1743_MONTH 0x1ffe
#define TODC_TYPE_DS1743_DOM 0x1ffd /* Day of Month */
#define TODC_TYPE_DS1743_DOW 0x1ffc /* Day of Week */
#define TODC_TYPE_DS1743_HOURS 0x1ffb
#define TODC_TYPE_DS1743_MINUTES 0x1ffa
#define TODC_TYPE_DS1743_SECONDS 0x1ff9
#define TODC_TYPE_DS1743_CNTL_B 0x1ff9
#define TODC_TYPE_DS1743_CNTL_A 0x1ff8 /* control_a R/W regs */
#define TODC_TYPE_DS1743_WATCHDOG 0x1fff
#define TODC_TYPE_DS1743_INTERRUPTS 0x1fff
#define TODC_TYPE_DS1743_ALARM_DATE 0x1fff
#define TODC_TYPE_DS1743_ALARM_HOUR 0x1fff
#define TODC_TYPE_DS1743_ALARM_MINUTES 0x1fff
#define TODC_TYPE_DS1743_ALARM_SECONDS 0x1fff
#define TODC_TYPE_DS1743_CENTURY 0x1ff8
#define TODC_TYPE_DS1743_FLAGS 0x1fff
#define TODC_TYPE_DS1743_NVRAM_ADDR_REG 0
#define TODC_TYPE_DS1743_NVRAM_DATA_REG 0
#define TODC_TYPE_DS1746_NVRAM_SIZE 0x1fff8
#define TODC_TYPE_DS1746_SW_FLAGS 0
#define TODC_TYPE_DS1746_YEAR 0x1ffff
#define TODC_TYPE_DS1746_MONTH 0x1fffe
#define TODC_TYPE_DS1746_DOM 0x1fffd /* Day of Month */
#define TODC_TYPE_DS1746_DOW 0x1fffc /* Day of Week */
#define TODC_TYPE_DS1746_HOURS 0x1fffb
#define TODC_TYPE_DS1746_MINUTES 0x1fffa
#define TODC_TYPE_DS1746_SECONDS 0x1fff9
#define TODC_TYPE_DS1746_CNTL_B 0x1fff9
#define TODC_TYPE_DS1746_CNTL_A 0x1fff8 /* control_a R/W regs */
#define TODC_TYPE_DS1746_WATCHDOG 0x00000
#define TODC_TYPE_DS1746_INTERRUPTS 0x00000
#define TODC_TYPE_DS1746_ALARM_DATE 0x00000
#define TODC_TYPE_DS1746_ALARM_HOUR 0x00000
#define TODC_TYPE_DS1746_ALARM_MINUTES 0x00000
#define TODC_TYPE_DS1746_ALARM_SECONDS 0x00000
#define TODC_TYPE_DS1746_CENTURY 0x00000
#define TODC_TYPE_DS1746_FLAGS 0x00000
#define TODC_TYPE_DS1746_NVRAM_ADDR_REG 0
#define TODC_TYPE_DS1746_NVRAM_DATA_REG 0
#define TODC_TYPE_DS1747_NVRAM_SIZE 0x7fff8
#define TODC_TYPE_DS1747_SW_FLAGS 0
#define TODC_TYPE_DS1747_YEAR 0x7ffff
#define TODC_TYPE_DS1747_MONTH 0x7fffe
#define TODC_TYPE_DS1747_DOM 0x7fffd /* Day of Month */
#define TODC_TYPE_DS1747_DOW 0x7fffc /* Day of Week */
#define TODC_TYPE_DS1747_HOURS 0x7fffb
#define TODC_TYPE_DS1747_MINUTES 0x7fffa
#define TODC_TYPE_DS1747_SECONDS 0x7fff9
#define TODC_TYPE_DS1747_CNTL_B 0x7fff9
#define TODC_TYPE_DS1747_CNTL_A 0x7fff8 /* control_a R/W regs */
#define TODC_TYPE_DS1747_WATCHDOG 0x00000
#define TODC_TYPE_DS1747_INTERRUPTS 0x00000
#define TODC_TYPE_DS1747_ALARM_DATE 0x00000
#define TODC_TYPE_DS1747_ALARM_HOUR 0x00000
#define TODC_TYPE_DS1747_ALARM_MINUTES 0x00000
#define TODC_TYPE_DS1747_ALARM_SECONDS 0x00000
#define TODC_TYPE_DS1747_CENTURY 0x00000
#define TODC_TYPE_DS1747_FLAGS 0x00000
#define TODC_TYPE_DS1747_NVRAM_ADDR_REG 0
#define TODC_TYPE_DS1747_NVRAM_DATA_REG 0
#define TODC_TYPE_DS17285_NVRAM_SIZE (0x1000-0x80) /* 4Kx8 NVRAM (minus RTC regs) */
#define TODC_TYPE_DS17285_SW_FLAGS TODC_FLAG_2_LEVEL_NVRAM
#define TODC_TYPE_DS17285_SECONDS (TODC_TYPE_DS17285_NVRAM_SIZE + 0x00)
#define TODC_TYPE_DS17285_ALARM_SECONDS (TODC_TYPE_DS17285_NVRAM_SIZE + 0x01)
#define TODC_TYPE_DS17285_MINUTES (TODC_TYPE_DS17285_NVRAM_SIZE + 0x02)
#define TODC_TYPE_DS17285_ALARM_MINUTES (TODC_TYPE_DS17285_NVRAM_SIZE + 0x03)
#define TODC_TYPE_DS17285_HOURS (TODC_TYPE_DS17285_NVRAM_SIZE + 0x04)
#define TODC_TYPE_DS17285_ALARM_HOUR (TODC_TYPE_DS17285_NVRAM_SIZE + 0x05)
#define TODC_TYPE_DS17285_DOW (TODC_TYPE_DS17285_NVRAM_SIZE + 0x06)
#define TODC_TYPE_DS17285_DOM (TODC_TYPE_DS17285_NVRAM_SIZE + 0x07)
#define TODC_TYPE_DS17285_MONTH (TODC_TYPE_DS17285_NVRAM_SIZE + 0x08)
#define TODC_TYPE_DS17285_YEAR (TODC_TYPE_DS17285_NVRAM_SIZE + 0x09)
#define TODC_TYPE_DS17285_CNTL_A (TODC_TYPE_DS17285_NVRAM_SIZE + 0x0A)
#define TODC_TYPE_DS17285_CNTL_B (TODC_TYPE_DS17285_NVRAM_SIZE + 0x0B)
#define TODC_TYPE_DS17285_CNTL_C (TODC_TYPE_DS17285_NVRAM_SIZE + 0x0C)
#define TODC_TYPE_DS17285_CNTL_D (TODC_TYPE_DS17285_NVRAM_SIZE + 0x0D)
#define TODC_TYPE_DS17285_WATCHDOG 0
#define TODC_TYPE_DS17285_INTERRUPTS 0
#define TODC_TYPE_DS17285_ALARM_DATE 0
#define TODC_TYPE_DS17285_CENTURY 0
#define TODC_TYPE_DS17285_FLAGS 0
#define TODC_TYPE_DS17285_NVRAM_ADDR_REG 0x50
#define TODC_TYPE_DS17285_NVRAM_DATA_REG 0x53
#define TODC_TYPE_MC146818_NVRAM_SIZE 0 /* XXXX */
#define TODC_TYPE_MC146818_SW_FLAGS 0
#define TODC_TYPE_MC146818_YEAR 0x09
#define TODC_TYPE_MC146818_MONTH 0x08
#define TODC_TYPE_MC146818_DOM 0x07 /* Day of Month */
#define TODC_TYPE_MC146818_DOW 0x06 /* Day of Week */
#define TODC_TYPE_MC146818_HOURS 0x04
#define TODC_TYPE_MC146818_MINUTES 0x02
#define TODC_TYPE_MC146818_SECONDS 0x00
#define TODC_TYPE_MC146818_CNTL_B 0x0a
#define TODC_TYPE_MC146818_CNTL_A 0x0b /* control_a R/W regs */
#define TODC_TYPE_MC146818_WATCHDOG 0
#define TODC_TYPE_MC146818_INTERRUPTS 0x0c
#define TODC_TYPE_MC146818_ALARM_DATE 0xff
#define TODC_TYPE_MC146818_ALARM_HOUR 0x05
#define TODC_TYPE_MC146818_ALARM_MINUTES 0x03
#define TODC_TYPE_MC146818_ALARM_SECONDS 0x01
#define TODC_TYPE_MC146818_CENTURY 0xff
#define TODC_TYPE_MC146818_FLAGS 0xff
#define TODC_TYPE_MC146818_NVRAM_ADDR_REG 0
#define TODC_TYPE_MC146818_NVRAM_DATA_REG 0
#define TODC_TYPE_PC97307_NVRAM_SIZE 0 /* No NVRAM? */
#define TODC_TYPE_PC97307_SW_FLAGS 0
#define TODC_TYPE_PC97307_YEAR 0x09
#define TODC_TYPE_PC97307_MONTH 0x08
#define TODC_TYPE_PC97307_DOM 0x07 /* Day of Month */
#define TODC_TYPE_PC97307_DOW 0x06 /* Day of Week */
#define TODC_TYPE_PC97307_HOURS 0x04
#define TODC_TYPE_PC97307_MINUTES 0x02
#define TODC_TYPE_PC97307_SECONDS 0x00
#define TODC_TYPE_PC97307_CNTL_B 0x0a
#define TODC_TYPE_PC97307_CNTL_A 0x0b /* control_a R/W regs */
#define TODC_TYPE_PC97307_WATCHDOG 0x0c
#define TODC_TYPE_PC97307_INTERRUPTS 0x0d
#define TODC_TYPE_PC97307_ALARM_DATE 0xff
#define TODC_TYPE_PC97307_ALARM_HOUR 0x05
#define TODC_TYPE_PC97307_ALARM_MINUTES 0x03
#define TODC_TYPE_PC97307_ALARM_SECONDS 0x01
#define TODC_TYPE_PC97307_CENTURY 0xff
#define TODC_TYPE_PC97307_FLAGS 0xff
#define TODC_TYPE_PC97307_NVRAM_ADDR_REG 0
#define TODC_TYPE_PC97307_NVRAM_DATA_REG 0
/*
* Define macros to allocate and init the todc_info_t table that will
* be used by the todc_time.c routines.
*/
#define TODC_ALLOC() \
static todc_info_t todc_info_alloc; \
todc_info_t *todc_info = &todc_info_alloc;
#define TODC_INIT(clock_type, as0, as1, data, bits) { \
todc_info->rtc_type = clock_type; \
\
todc_info->nvram_as0 = (unsigned int)(as0); \
todc_info->nvram_as1 = (unsigned int)(as1); \
todc_info->nvram_data = (unsigned int)(data); \
\
todc_info->as0_bits = (bits); \
\
todc_info->nvram_size = clock_type ##_NVRAM_SIZE; \
todc_info->sw_flags = clock_type ##_SW_FLAGS; \
\
todc_info->year = clock_type ##_YEAR; \
todc_info->month = clock_type ##_MONTH; \
todc_info->day_of_month = clock_type ##_DOM; \
todc_info->day_of_week = clock_type ##_DOW; \
todc_info->hours = clock_type ##_HOURS; \
todc_info->minutes = clock_type ##_MINUTES; \
todc_info->seconds = clock_type ##_SECONDS; \
todc_info->control_b = clock_type ##_CNTL_B; \
todc_info->control_a = clock_type ##_CNTL_A; \
todc_info->watchdog = clock_type ##_WATCHDOG; \
todc_info->interrupts = clock_type ##_INTERRUPTS; \
todc_info->alarm_date = clock_type ##_ALARM_DATE; \
todc_info->alarm_hour = clock_type ##_ALARM_HOUR; \
todc_info->alarm_minutes = clock_type ##_ALARM_MINUTES; \
todc_info->alarm_seconds = clock_type ##_ALARM_SECONDS; \
todc_info->century = clock_type ##_CENTURY; \
todc_info->flags = clock_type ##_FLAGS; \
\
todc_info->nvram_addr_reg = clock_type ##_NVRAM_ADDR_REG; \
todc_info->nvram_data_reg = clock_type ##_NVRAM_DATA_REG; \
}
extern todc_info_t *todc_info;
unsigned char todc_direct_read_val(int addr);
void todc_direct_write_val(int addr, unsigned char val);
unsigned char todc_m48txx_read_val(int addr);
void todc_m48txx_write_val(int addr, unsigned char val);
unsigned char todc_mc146818_read_val(int addr);
void todc_mc146818_write_val(int addr, unsigned char val);
long todc_time_init(void);
void todc_get_rtc_time(struct rtc_time *);
int todc_set_rtc_time(struct rtc_time *);
void todc_calibrate_decr(void);
#endif /* __PPC_KERNEL_TODC_H */

109
include/asm-powerpc/tsi108.h Normal file
View file

@ -0,0 +1,109 @@
/*
* include/asm-ppc/tsi108.h
*
* common routine and memory layout for Tundra TSI108(Grendel) host bridge
* memory controller.
*
* Author: Jacob Pan (jacob.pan@freescale.com)
* Alex Bounine (alexandreb@tundra.com)
* 2004 (c) Freescale Semiconductor Inc. This file is licensed under
* the terms of the GNU General Public License version 2. This program
* is licensed "as is" without any warranty of any kind, whether express
* or implied.
*/
#ifndef __PPC_KERNEL_TSI108_H
#define __PPC_KERNEL_TSI108_H
#include <asm/pci-bridge.h>
/* Size of entire register space */
#define TSI108_REG_SIZE (0x10000)
/* Sizes of register spaces for individual blocks */
#define TSI108_HLP_SIZE 0x1000
#define TSI108_PCI_SIZE 0x1000
#define TSI108_CLK_SIZE 0x1000
#define TSI108_PB_SIZE 0x1000
#define TSI108_SD_SIZE 0x1000
#define TSI108_DMA_SIZE 0x1000
#define TSI108_ETH_SIZE 0x1000
#define TSI108_I2C_SIZE 0x400
#define TSI108_MPIC_SIZE 0x400
#define TSI108_UART0_SIZE 0x200
#define TSI108_GPIO_SIZE 0x200
#define TSI108_UART1_SIZE 0x200
/* Offsets within Tsi108(A) CSR space for individual blocks */
#define TSI108_HLP_OFFSET 0x0000
#define TSI108_PCI_OFFSET 0x1000
#define TSI108_CLK_OFFSET 0x2000
#define TSI108_PB_OFFSET 0x3000
#define TSI108_SD_OFFSET 0x4000
#define TSI108_DMA_OFFSET 0x5000
#define TSI108_ETH_OFFSET 0x6000
#define TSI108_I2C_OFFSET 0x7000
#define TSI108_MPIC_OFFSET 0x7400
#define TSI108_UART0_OFFSET 0x7800
#define TSI108_GPIO_OFFSET 0x7A00
#define TSI108_UART1_OFFSET 0x7C00
/* Tsi108 registers used by common code components */
#define TSI108_PCI_CSR (0x004)
#define TSI108_PCI_IRP_CFG_CTL (0x180)
#define TSI108_PCI_IRP_STAT (0x184)
#define TSI108_PCI_IRP_ENABLE (0x188)
#define TSI108_PCI_IRP_INTAD (0x18C)
#define TSI108_PCI_IRP_STAT_P_INT (0x00400000)
#define TSI108_PCI_IRP_ENABLE_P_INT (0x00400000)
#define TSI108_CG_PWRUP_STATUS (0x234)
#define TSI108_PB_ISR (0x00C)
#define TSI108_PB_ERRCS (0x404)
#define TSI108_PB_AERR (0x408)
#define TSI108_PB_ERRCS_ES (1 << 1)
#define TSI108_PB_ISR_PBS_RD_ERR (1 << 8)
#define TSI108_PCI_CFG_BASE_PHYS (0xfb000000)
#define TSI108_PCI_CFG_SIZE (0x01000000)
/* Global variables */
extern u32 tsi108_pci_cfg_base;
/* Exported functions */
extern int tsi108_bridge_init(struct pci_controller *hose, uint phys_csr_base);
extern unsigned long tsi108_get_mem_size(void);
extern unsigned long tsi108_get_cpu_clk(void);
extern unsigned long tsi108_get_sdc_clk(void);
extern int tsi108_direct_write_config(struct pci_bus *bus, unsigned int devfn,
int offset, int len, u32 val);
extern int tsi108_direct_read_config(struct pci_bus *bus, unsigned int devfn,
int offset, int len, u32 * val);
extern void tsi108_clear_pci_error(u32 pci_cfg_base);
extern phys_addr_t get_csrbase(void);
typedef struct {
u32 regs; /* hw registers base address */
u32 phyregs; /* phy registers base address */
u16 phy; /* phy address */
u16 irq_num; /* irq number */
u8 mac_addr[6]; /* phy mac address */
} hw_info;
extern u32 get_vir_csrbase(void);
extern u32 tsi108_csr_vir_base;
extern inline u32 tsi108_read_reg(u32 reg_offset)
{
return in_be32((volatile u32 *)(tsi108_csr_vir_base + reg_offset));
}
extern inline void tsi108_write_reg(u32 reg_offset, u32 val)
{
out_be32((volatile u32 *)(tsi108_csr_vir_base + reg_offset), val);
}
#endif /* __PPC_KERNEL_TSI108_H */

3
include/asm-powerpc/udbg.h
View file

@ -42,7 +42,8 @@ extern void __init udbg_init_debug_lpar(void);
extern void __init udbg_init_pmac_realmode(void);
extern void __init udbg_init_maple_realmode(void);
extern void __init udbg_init_iseries(void);
extern void __init udbg_init_rtas(void);
extern void __init udbg_init_rtas_panel(void);
extern void __init udbg_init_rtas_console(void);
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_UDBG_H */

6
kernel/kexec.c
View file

@ -1042,7 +1042,6 @@ asmlinkage long compat_sys_kexec_load(unsigned long entry,
void crash_kexec(struct pt_regs *regs)
{
struct kimage *image;
int locked;
@ -1056,12 +1055,11 @@ void crash_kexec(struct pt_regs *regs)
*/
locked = xchg(&kexec_lock, 1);
if (!locked) {
image = xchg(&kexec_crash_image, NULL);
if (image) {
if (kexec_crash_image) {
struct pt_regs fixed_regs;
crash_setup_regs(&fixed_regs, regs);
machine_crash_shutdown(&fixed_regs);
machine_kexec(image);
machine_kexec(kexec_crash_image);
}
xchg(&kexec_lock, 0);
}