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authorMark.Zhan <rongkai.zhan@windriver.com>2006-05-06 17:04:20 +0800
committerRalf Baechle <ralf@linux-mips.org>2006-06-19 17:39:18 +0100
commita240a469649eaab03f0c4c7fbb21ea5041bf5572 (patch)
tree71801adbf35a8a449a76398a4a5d7c34066313b4 /arch
parenta643d2b57403dc943fd4d9a3c803addd1c6b0ddc (diff)
[MIPS] Wind River 4KC PPMC Eval Board Support
Support for the GT-64120-based Wind River 4KC PPMC Evaluation board. Signed-off-by: Rongkai.Zhan <Rongkai.zhan@windriver.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/mips/Kconfig21
-rw-r--r--arch/mips/Makefile7
-rw-r--r--arch/mips/configs/wrppmc_defconfig801
-rw-r--r--arch/mips/gt64120/wrppmc/Makefile14
-rw-r--r--arch/mips/gt64120/wrppmc/int-handler.S59
-rw-r--r--arch/mips/gt64120/wrppmc/irq.c63
-rw-r--r--arch/mips/gt64120/wrppmc/pci.c53
-rw-r--r--arch/mips/gt64120/wrppmc/reset.c50
-rw-r--r--arch/mips/gt64120/wrppmc/setup.c173
-rw-r--r--arch/mips/gt64120/wrppmc/time.c57
-rw-r--r--arch/mips/pci/Makefile1
-rw-r--r--arch/mips/pci/fixup-wrppmc.c37
12 files changed, 1336 insertions, 0 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index b4d8095f0c0..c9116a40e45 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -327,6 +327,27 @@ config MIPS_SEAD
This enables support for the MIPS Technologies SEAD evaluation
board.
+config WR_PPMC
+ bool "Support for Wind River PPMC board"
+ select IRQ_CPU
+ select BOOT_ELF32
+ select DMA_NONCOHERENT
+ select HW_HAS_PCI
+ select MIPS_GT64120
+ select SWAP_IO_SPACE
+ select SYS_HAS_CPU_MIPS32_R1
+ select SYS_HAS_CPU_MIPS32_R2
+ select SYS_HAS_CPU_MIPS64_R1
+ select SYS_HAS_CPU_NEVADA
+ select SYS_HAS_CPU_RM7000
+ select SYS_SUPPORTS_32BIT_KERNEL
+ select SYS_SUPPORTS_64BIT_KERNEL
+ select SYS_SUPPORTS_BIG_ENDIAN
+ select SYS_SUPPORTS_LITTLE_ENDIAN
+ help
+ This enables support for the Wind River MIPS32 4KC PPMC evaluation
+ board, which is based on GT64120 bridge chip.
+
config MIPS_SIM
bool 'MIPS simulator (MIPSsim)'
select DMA_NONCOHERENT
diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index aa37ae6cf32..24a901cf5a4 100644
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -287,6 +287,13 @@ cflags-$(CONFIG_MIPS_EV96100) += -Iinclude/asm-mips/mach-ev96100
load-$(CONFIG_MIPS_EV96100) += 0xffffffff80100000
#
+# Wind River PPMC Board (4KC + GT64120)
+#
+core-$(CONFIG_WR_PPMC) += arch/mips/gt64120/wrppmc/
+cflags-$(CONFIG_WR_PPMC) += -Iinclude/asm-mips/mach-wrppmc
+load-$(CONFIG_WR_PPMC) += 0xffffffff80100000
+
+#
# Globespan IVR eval board with QED 5231 CPU
#
core-$(CONFIG_ITE_BOARD_GEN) += arch/mips/ite-boards/generic/
diff --git a/arch/mips/configs/wrppmc_defconfig b/arch/mips/configs/wrppmc_defconfig
new file mode 100644
index 00000000000..1997b7c11ab
--- /dev/null
+++ b/arch/mips/configs/wrppmc_defconfig
@@ -0,0 +1,801 @@
+#
+# Automatically generated make config: don't edit
+# Linux kernel version: 2.6.16.11
+# Fri May 5 17:11:22 2006
+#
+CONFIG_MIPS=y
+
+#
+# Machine selection
+#
+# CONFIG_MIPS_MTX1 is not set
+# CONFIG_MIPS_BOSPORUS is not set
+# CONFIG_MIPS_PB1000 is not set
+# CONFIG_MIPS_PB1100 is not set
+# CONFIG_MIPS_PB1500 is not set
+# CONFIG_MIPS_PB1550 is not set
+# CONFIG_MIPS_PB1200 is not set
+# CONFIG_MIPS_DB1000 is not set
+# CONFIG_MIPS_DB1100 is not set
+# CONFIG_MIPS_DB1500 is not set
+# CONFIG_MIPS_DB1550 is not set
+# CONFIG_MIPS_DB1200 is not set
+# CONFIG_MIPS_MIRAGE is not set
+# CONFIG_MIPS_COBALT is not set
+# CONFIG_MACH_DECSTATION is not set
+# CONFIG_MIPS_EV64120 is not set
+# CONFIG_MIPS_EV96100 is not set
+# CONFIG_MIPS_IVR is not set
+# CONFIG_MIPS_ITE8172 is not set
+# CONFIG_MACH_JAZZ is not set
+# CONFIG_LASAT is not set
+# CONFIG_MIPS_ATLAS is not set
+# CONFIG_MIPS_MALTA is not set
+# CONFIG_MIPS_SEAD is not set
+CONFIG_WR_PPMC=y
+# CONFIG_MIPS_SIM is not set
+# CONFIG_MOMENCO_JAGUAR_ATX is not set
+# CONFIG_MOMENCO_OCELOT is not set
+# CONFIG_MOMENCO_OCELOT_3 is not set
+# CONFIG_MOMENCO_OCELOT_C is not set
+# CONFIG_MOMENCO_OCELOT_G is not set
+# CONFIG_MIPS_XXS1500 is not set
+# CONFIG_PNX8550_V2PCI is not set
+# CONFIG_PNX8550_JBS is not set
+# CONFIG_DDB5074 is not set
+# CONFIG_DDB5476 is not set
+# CONFIG_DDB5477 is not set
+# CONFIG_MACH_VR41XX is not set
+# CONFIG_PMC_YOSEMITE is not set
+# CONFIG_QEMU is not set
+# CONFIG_SGI_IP22 is not set
+# CONFIG_SGI_IP27 is not set
+# CONFIG_SGI_IP32 is not set
+# CONFIG_SIBYTE_BIGSUR is not set
+# CONFIG_SIBYTE_SWARM is not set
+# CONFIG_SIBYTE_SENTOSA is not set
+# CONFIG_SIBYTE_RHONE is not set
+# CONFIG_SIBYTE_CARMEL is not set
+# CONFIG_SIBYTE_PTSWARM is not set
+# CONFIG_SIBYTE_LITTLESUR is not set
+# CONFIG_SIBYTE_CRHINE is not set
+# CONFIG_SIBYTE_CRHONE is not set
+# CONFIG_SNI_RM200_PCI is not set
+# CONFIG_TOSHIBA_JMR3927 is not set
+# CONFIG_TOSHIBA_RBTX4927 is not set
+# CONFIG_TOSHIBA_RBTX4938 is not set
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_DMA_NONCOHERENT=y
+CONFIG_DMA_NEED_PCI_MAP_STATE=y
+CONFIG_CPU_BIG_ENDIAN=y
+# CONFIG_CPU_LITTLE_ENDIAN is not set
+CONFIG_SYS_SUPPORTS_BIG_ENDIAN=y
+CONFIG_SYS_SUPPORTS_LITTLE_ENDIAN=y
+CONFIG_IRQ_CPU=y
+CONFIG_MIPS_GT64120=y
+CONFIG_SWAP_IO_SPACE=y
+CONFIG_BOOT_ELF32=y
+CONFIG_MIPS_L1_CACHE_SHIFT=5
+
+#
+# CPU selection
+#
+CONFIG_CPU_MIPS32_R1=y
+# CONFIG_CPU_MIPS32_R2 is not set
+# CONFIG_CPU_MIPS64_R1 is not set
+# CONFIG_CPU_MIPS64_R2 is not set
+# CONFIG_CPU_R3000 is not set
+# CONFIG_CPU_TX39XX is not set
+# CONFIG_CPU_VR41XX is not set
+# CONFIG_CPU_R4300 is not set
+# CONFIG_CPU_R4X00 is not set
+# CONFIG_CPU_TX49XX is not set
+# CONFIG_CPU_R5000 is not set
+# CONFIG_CPU_R5432 is not set
+# CONFIG_CPU_R6000 is not set
+# CONFIG_CPU_NEVADA is not set
+# CONFIG_CPU_R8000 is not set
+# CONFIG_CPU_R10000 is not set
+# CONFIG_CPU_RM7000 is not set
+# CONFIG_CPU_RM9000 is not set
+# CONFIG_CPU_SB1 is not set
+CONFIG_SYS_HAS_CPU_MIPS32_R1=y
+CONFIG_SYS_HAS_CPU_MIPS32_R2=y
+CONFIG_SYS_HAS_CPU_MIPS64_R1=y
+CONFIG_SYS_HAS_CPU_NEVADA=y
+CONFIG_SYS_HAS_CPU_RM7000=y
+CONFIG_CPU_MIPS32=y
+CONFIG_CPU_MIPSR1=y
+CONFIG_SYS_SUPPORTS_32BIT_KERNEL=y
+CONFIG_SYS_SUPPORTS_64BIT_KERNEL=y
+CONFIG_CPU_SUPPORTS_32BIT_KERNEL=y
+
+#
+# Kernel type
+#
+CONFIG_32BIT=y
+# CONFIG_64BIT is not set
+CONFIG_PAGE_SIZE_4KB=y
+# CONFIG_PAGE_SIZE_8KB is not set
+# CONFIG_PAGE_SIZE_16KB is not set
+# CONFIG_PAGE_SIZE_64KB is not set
+CONFIG_CPU_HAS_PREFETCH=y
+# CONFIG_MIPS_MT is not set
+# CONFIG_64BIT_PHYS_ADDR is not set
+# CONFIG_CPU_ADVANCED is not set
+CONFIG_CPU_HAS_LLSC=y
+CONFIG_CPU_HAS_SYNC=y
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_CPU_SUPPORTS_HIGHMEM=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_PREEMPT_NONE=y
+# CONFIG_PREEMPT_VOLUNTARY is not set
+# CONFIG_PREEMPT 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 is not set
+CONFIG_SYSVIPC=y
+# CONFIG_POSIX_MQUEUE is not set
+CONFIG_BSD_PROCESS_ACCT=y
+# CONFIG_BSD_PROCESS_ACCT_V3 is not set
+CONFIG_SYSCTL=y
+# CONFIG_AUDIT is not set
+# CONFIG_IKCONFIG is not set
+CONFIG_INITRAMFS_SOURCE=""
+# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
+CONFIG_EMBEDDED=y
+CONFIG_KALLSYMS=y
+CONFIG_KALLSYMS_EXTRA_PASS=y
+CONFIG_HOTPLUG=y
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_ELF_CORE=y
+CONFIG_BASE_FULL=y
+CONFIG_FUTEX=y
+# CONFIG_EPOLL is not set
+CONFIG_SHMEM=y
+CONFIG_CC_ALIGN_FUNCTIONS=0
+CONFIG_CC_ALIGN_LABELS=0
+CONFIG_CC_ALIGN_LOOPS=0
+CONFIG_CC_ALIGN_JUMPS=0
+CONFIG_SLAB=y
+# CONFIG_TINY_SHMEM is not set
+CONFIG_BASE_SMALL=0
+# CONFIG_SLOB is not set
+
+#
+# Loadable module support
+#
+CONFIG_MODULES=y
+CONFIG_MODULE_UNLOAD=y
+# CONFIG_MODULE_FORCE_UNLOAD is not set
+CONFIG_OBSOLETE_MODPARM=y
+CONFIG_MODVERSIONS=y
+CONFIG_MODULE_SRCVERSION_ALL=y
+# CONFIG_KMOD is not set
+
+#
+# Block layer
+#
+# CONFIG_LBD 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"
+
+#
+# Bus options (PCI, PCMCIA, EISA, ISA, TC)
+#
+CONFIG_HW_HAS_PCI=y
+CONFIG_PCI=y
+CONFIG_PCI_LEGACY_PROC=y
+CONFIG_MMU=y
+
+#
+# PCCARD (PCMCIA/CardBus) support
+#
+# CONFIG_PCCARD is not set
+
+#
+# PCI Hotplug Support
+#
+CONFIG_HOTPLUG_PCI=y
+# CONFIG_HOTPLUG_PCI_FAKE is not set
+# CONFIG_HOTPLUG_PCI_CPCI is not set
+# CONFIG_HOTPLUG_PCI_SHPC is not set
+
+#
+# Executable file formats
+#
+CONFIG_BINFMT_ELF=y
+CONFIG_BINFMT_MISC=y
+CONFIG_TRAD_SIGNALS=y
+
+#
+# Networking
+#
+CONFIG_NET=y
+
+#
+# Networking options
+#
+# CONFIG_NETDEBUG is not set
+CONFIG_PACKET=y
+CONFIG_PACKET_MMAP=y
+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=y
+# CONFIG_NET_IPIP is not set
+# CONFIG_NET_IPGRE is not set
+CONFIG_IP_MROUTE=y
+# CONFIG_IP_PIMSM_V1 is not set
+# CONFIG_IP_PIMSM_V2 is not set
+CONFIG_ARPD=y
+# CONFIG_SYN_COOKIES is not set
+# CONFIG_INET_AH is not set
+# CONFIG_INET_ESP is not set
+# CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_TUNNEL is not set
+CONFIG_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_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_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 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=4096
+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 is not set
+
+#
+# Multi-device support (RAID and LVM)
+#
+# CONFIG_MD is not set
+
+#
+# Fusion MPT device support
+#
+# CONFIG_FUSION is not set
+
+#
+# IEEE 1394 (FireWire) support
+#
+# CONFIG_IEEE1394 is not set
+
+#
+# I2O device support
+#
+# CONFIG_I2O is not set
+
+#
+# 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
+# CONFIG_DM9000 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 is not set
+# CONFIG_SIS900 is not set
+# CONFIG_EPIC100 is not set
+# CONFIG_SUNDANCE is not set
+# CONFIG_TLAN is not set
+# CONFIG_VIA_RHINE is not set
+# CONFIG_LAN_SAA9730 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
+
+#
+# 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_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 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_NR_UARTS=1
+CONFIG_SERIAL_8250_RUNTIME_UARTS=1
+# 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_RTC=y
+# CONFIG_DTLK is not set
+# CONFIG_R3964 is not set
+# CONFIG_APPLICOM is not set
+
+#
+# Ftape, the floppy tape device driver
+#
+# 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 Capabilities Port drivers
+#
+
+#
+# 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 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
+
+#
+# InfiniBand support
+#
+# CONFIG_INFINIBAND is not set
+
+#
+# EDAC - error detection and reporting (RAS) (EXPERIMENTAL)
+#
+
+#
+# File systems
+#
+# CONFIG_EXT2_FS is not set
+# CONFIG_EXT3_FS is not set
+# 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_RELAYFS_FS is not set
+# 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=y
+# CONFIG_NFS_V3_ACL 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_LOCKD_V4=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 is not set
+CONFIG_MSDOS_PARTITION=y
+
+#
+# Native Language Support
+#
+# CONFIG_NLS is not set
+
+#
+# Profiling 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_CROSSCOMPILE=y
+CONFIG_CMDLINE="console=ttyS0,115200n8"
+
+#
+# Security options
+#
+# CONFIG_KEYS is not set
+# CONFIG_SECURITY is not set
+
+#
+# Cryptographic options
+#
+# CONFIG_CRYPTO is not set
+
+#
+# Hardware crypto devices
+#
+
+#
+# Library routines
+#
+CONFIG_CRC_CCITT=y
+CONFIG_CRC16=y
+CONFIG_CRC32=y
+CONFIG_LIBCRC32C=y
diff --git a/arch/mips/gt64120/wrppmc/Makefile b/arch/mips/gt64120/wrppmc/Makefile
new file mode 100644
index 00000000000..72606b9af12
--- /dev/null
+++ b/arch/mips/gt64120/wrppmc/Makefile
@@ -0,0 +1,14 @@
+#
+# This file is subject to the terms and conditions of the GNU General Public
+# License. See the file "COPYING" in the main directory of this archive
+# for more details.
+#
+# Copyright 2006 Wind River System, Inc.
+# Author: Rongkai.Zhan <rongkai.zhan@windriver.com>
+#
+# Makefile for the Wind River MIPS 4KC PPMC Eval Board
+#
+
+obj-y += int-handler.o irq.o reset.o setup.o time.o pci.o
+
+EXTRA_AFLAGS := $(CFLAGS)
diff --git a/arch/mips/gt64120/wrppmc/int-handler.S b/arch/mips/gt64120/wrppmc/int-handler.S
new file mode 100644
index 00000000000..edee7b39417
--- /dev/null
+++ b/arch/mips/gt64120/wrppmc/int-handler.S
@@ -0,0 +1,59 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1995, 1996, 1997, 2003 by Ralf Baechle
+ * Copyright (C) Wind River System Inc. Rongkai.Zhan <rongkai.zhan@windriver.com>
+ */
+#include <asm/asm.h>
+#include <asm/mipsregs.h>
+#include <asm/addrspace.h>
+#include <asm/regdef.h>
+#include <asm/stackframe.h>
+#include <asm/mach-wrppmc/mach-gt64120.h>
+
+ .align 5
+ .set noat
+NESTED(handle_IRQ, PT_SIZE, sp)
+ SAVE_ALL
+ CLI # Important: mark KERNEL mode !
+ .set at
+
+ mfc0 t0, CP0_CAUSE # get pending interrupts
+ mfc0 t1, CP0_STATUS # get enabled interrupts
+ and t0, t0, t1 # get allowed interrupts
+ andi t0, t0, 0xFF00
+ beqz t0, 1f
+ move a1, sp # Prepare 'struct pt_regs *regs' pointer
+
+ andi t1, t0, CAUSEF_IP7 # CPU Compare/Count internal timer
+ bnez t1, handle_cputimer_irq
+ andi t1, t0, CAUSEF_IP6 # UART 16550 port
+ bnez t1, handle_uart_irq
+ andi t1, t0, CAUSEF_IP3 # PCI INT_A
+ bnez t1, handle_pci_intA_irq
+
+ /* wrong alarm or masked ... */
+1: j spurious_interrupt
+ nop
+END(handle_IRQ)
+
+ .align 5
+handle_cputimer_irq:
+ li a0, WRPPMC_MIPS_TIMER_IRQ
+ jal do_IRQ
+ j ret_from_irq
+
+ .align 5
+handle_uart_irq:
+ li a0, WRPPMC_UART16550_IRQ
+ jal do_IRQ
+ j ret_from_irq
+
+ .align 5
+handle_pci_intA_irq:
+ li a0, WRPPMC_PCI_INTA_IRQ
+ jal do_IRQ
+ j ret_from_irq
+
diff --git a/arch/mips/gt64120/wrppmc/irq.c b/arch/mips/gt64120/wrppmc/irq.c
new file mode 100644
index 00000000000..8605687e24e
--- /dev/null
+++ b/arch/mips/gt64120/wrppmc/irq.c
@@ -0,0 +1,63 @@
+/*
+ * irq.c: GT64120 Interrupt Controller
+ *
+ * Copyright (C) 2006, Wind River System Inc.
+ * Author: Rongkai.Zhan, <rongkai.zhan@windriver.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/errno.h>
+#include <linux/init.h>
+#include <linux/kernel_stat.h>
+#include <linux/module.h>
+#include <linux/signal.h>
+#include <linux/sched.h>
+#include <linux/types.h>
+#include <linux/interrupt.h>
+#include <linux/ioport.h>
+#include <linux/timex.h>
+#include <linux/slab.h>
+#include <linux/random.h>
+#include <linux/bitops.h>
+#include <asm/bootinfo.h>
+#include <asm/io.h>
+#include <asm/bitops.h>
+#include <asm/mipsregs.h>
+#include <asm/system.h>
+#include <asm/irq_cpu.h>
+#include <asm/gt64120.h>
+
+extern asmlinkage void handle_IRQ(void);
+
+/**
+ * Initialize GT64120 Interrupt Controller
+ */
+void gt64120_init_pic(void)
+{
+ /* clear CPU Interrupt Cause Registers */
+ GT_WRITE(GT_INTRCAUSE_OFS, (0x1F << 21));
+ GT_WRITE(GT_HINTRCAUSE_OFS, 0x00);
+
+ /* Disable all interrupts from GT64120 bridge chip */
+ GT_WRITE(GT_INTRMASK_OFS, 0x00);
+ GT_WRITE(GT_HINTRMASK_OFS, 0x00);
+ GT_WRITE(GT_PCI0_ICMASK_OFS, 0x00);
+ GT_WRITE(GT_PCI0_HICMASK_OFS, 0x00);
+}
+
+void __init arch_init_irq(void)
+{
+ /* enable all CPU interrupt bits. */
+ set_c0_status(ST0_IM); /* IE bit is still 0 */
+
+ /* Install MIPS Interrupt Trap Vector */
+ set_except_vector(0, handle_IRQ);
+
+ /* IRQ 0 - 7 are for MIPS common irq_cpu controller */
+ mips_cpu_irq_init(0);
+
+ gt64120_init_pic();
+}
diff --git a/arch/mips/gt64120/wrppmc/pci.c b/arch/mips/gt64120/wrppmc/pci.c
new file mode 100644
index 00000000000..2fbe93467f7
--- /dev/null
+++ b/arch/mips/gt64120/wrppmc/pci.c
@@ -0,0 +1,53 @@
+/*
+ * pci.c: GT64120 PCI support.
+ *
+ * Copyright (C) 2006, Wind River System Inc. Rongkai.Zhan <rongkai.zhan@windriver.com>
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/pci.h>
+#include <linux/kernel.h>
+#include <asm/gt64120.h>
+
+extern struct pci_ops gt64120_pci_ops;
+
+static struct resource pci0_io_resource = {
+ .name = "pci_0 io",
+ .start = GT_PCI_IO_BASE,
+ .end = GT_PCI_IO_BASE + GT_PCI_IO_SIZE - 1,
+ .flags = IORESOURCE_IO,
+};
+
+static struct resource pci0_mem_resource = {
+ .name = "pci_0 memory",
+ .start = GT_PCI_MEM_BASE,
+ .end = GT_PCI_MEM_BASE + GT_PCI_MEM_SIZE - 1,
+ .flags = IORESOURCE_MEM,
+};
+
+static struct pci_controller hose_0 = {
+ .pci_ops = &gt64120_pci_ops,
+ .io_resource = &pci0_io_resource,
+ .mem_resource = &pci0_mem_resource,
+};
+
+static int __init gt64120_pci_init(void)
+{
+ u32 tmp;
+
+ tmp = GT_READ(GT_PCI0_CMD_OFS); /* Huh??? -- Ralf */
+ tmp = GT_READ(GT_PCI0_BARE_OFS);
+
+ /* reset the whole PCI I/O space range */
+ ioport_resource.start = GT_PCI_IO_BASE;
+ ioport_resource.end = GT_PCI_IO_BASE + GT_PCI_IO_SIZE - 1;
+
+ register_pci_controller(&hose_0);
+ return 0;
+}
+
+arch_initcall(gt64120_pci_init);
diff --git a/arch/mips/gt64120/wrppmc/reset.c b/arch/mips/gt64120/wrppmc/reset.c
new file mode 100644
index 00000000000..b97039c6d3d
--- /dev/null
+++ b/arch/mips/gt64120/wrppmc/reset.c
@@ -0,0 +1,50 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1997 Ralf Baechle
+ */
+#include <linux/sched.h>
+#include <linux/mm.h>
+#include <asm/io.h>
+#include <asm/pgtable.h>
+#include <asm/processor.h>
+#include <asm/reboot.h>
+#include <asm/system.h>
+#include <asm/cacheflush.h>
+
+void wrppmc_machine_restart(char *command)
+{
+ /*
+ * Ouch, we're still alive ... This time we take the silver bullet ...
+ * ... and find that we leave the hardware in a state in which the
+ * kernel in the flush locks up somewhen during of after the PCI
+ * detection stuff.
+ */
+ local_irq_disable();
+ set_c0_status(ST0_BEV | ST0_ERL);
+ change_c0_config(CONF_CM_CMASK, CONF_CM_UNCACHED);
+ flush_cache_all();
+ write_c0_wired(0);
+ __asm__ __volatile__("jr\t%0"::"r"(0xbfc00000));
+}
+
+void wrppmc_machine_halt(void)
+{
+ local_irq_disable();
+
+ printk(KERN_NOTICE "You can safely turn off the power\n");
+ while (1) {
+ __asm__(
+ ".set\tmips3\n\t"
+ "wait\n\t"
+ ".set\tmips0"
+ );
+ }
+}
+
+void wrppmc_machine_power_off(void)
+{
+ wrppmc_machine_halt();
+}
diff --git a/arch/mips/gt64120/wrppmc/setup.c b/arch/mips/gt64120/wrppmc/setup.c
new file mode 100644
index 00000000000..20c591e49da
--- /dev/null
+++ b/arch/mips/gt64120/wrppmc/setup.c
@@ -0,0 +1,173 @@
+/*
+ * setup.c: Setup pointers to hardware dependent routines.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1996, 1997, 2004 by Ralf Baechle (ralf@linux-mips.org)
+ * Copyright (C) 2006, Wind River System Inc. Rongkai.zhan <rongkai.zhan@windriver.com>
+ */
+#include <linux/config.h>
+#include <linux/init.h>
+#include <linux/string.h>
+#include <linux/kernel.h>
+#include <linux/tty.h>
+#include <linux/serial.h>
+#include <linux/serial_core.h>
+#include <linux/pm.h>
+
+#include <asm/io.h>
+#include <asm/bootinfo.h>
+#include <asm/reboot.h>
+#include <asm/time.h>
+#include <asm/gt64120.h>
+
+unsigned long gt64120_base = KSEG1ADDR(0x14000000);
+
+#ifdef WRPPMC_EARLY_DEBUG
+
+static volatile unsigned char * wrppmc_led = \
+ (volatile unsigned char *)KSEG1ADDR(WRPPMC_LED_BASE);
+
+/*
+ * PPMC LED control register:
+ * -) bit[0] controls DS1 LED (1 - OFF, 0 - ON)
+ * -) bit[1] controls DS2 LED (1 - OFF, 0 - ON)
+ * -) bit[2] controls DS4 LED (1 - OFF, 0 - ON)
+ */
+void wrppmc_led_on(int mask)
+{
+ unsigned char value = *wrppmc_led;
+
+ value &= (0xF8 | mask);
+ *wrppmc_led = value;
+}
+
+/* If mask = 0, turn off all LEDs */
+void wrppmc_led_off(int mask)
+{
+ unsigned char value = *wrppmc_led;
+
+ value |= (0x7 & mask);
+ *wrppmc_led = value;
+}
+
+/*
+ * We assume that bootloader has initialized UART16550 correctly
+ */
+void __init wrppmc_early_putc(char ch)
+{
+ static volatile unsigned char *wrppmc_uart = \
+ (volatile unsigned char *)KSEG1ADDR(WRPPMC_UART16550_BASE);
+ unsigned char value;
+
+ /* Wait until Transmit-Holding-Register is empty */
+ while (1) {
+ value = *(wrppmc_uart + 5);
+ if (value & 0x20)
+ break;
+ }
+
+ *wrppmc_uart = ch;
+}
+
+void __init wrppmc_early_printk(const char *fmt, ...)
+{
+ static char pbuf[256] = {'\0', };
+ char *ch = pbuf;
+ va_list args;
+ unsigned int i;
+
+ memset(pbuf, 0, 256);
+ va_start(args, fmt);
+ i = vsprintf(pbuf, fmt, args);
+ va_end(args);
+
+ /* Print the string */
+ while (*ch != '\0') {
+ wrppmc_early_putc(*ch);
+ /* if print '\n', also print '\r' */
+ if (*ch++ == '\n')
+ wrppmc_early_putc('\r');
+ }
+}
+#endif /* WRPPMC_EARLY_DEBUG */
+
+unsigned long __init prom_free_prom_memory(void)
+{
+ return 0;
+}
+
+#ifdef CONFIG_SERIAL_8250
+static void wrppmc_setup_serial(void)
+{
+ struct uart_port up;
+
+ memset(&up, 0x00, sizeof(struct uart_port));
+
+ /*
+ * A note about mapbase/membase
+ * -) mapbase is the physical address of the IO port.
+ * -) membase is an 'ioremapped' cookie.
+ */
+ up.line = 0;
+ up.type = PORT_16550;
+ up.iotype = UPIO_MEM;
+ up.mapbase = WRPPMC_UART16550_BASE;
+ up.membase = ioremap(up.mapbase, 8);
+ up.irq = WRPPMC_UART16550_IRQ;
+ up.uartclk = WRPPMC_UART16550_CLOCK;
+ up.flags = UPF_SKIP_TEST/* | UPF_BOOT_AUTOCONF */;
+ up.regshift = 0;
+
+ early_serial_setup(&up);
+}
+#endif
+
+void __init plat_setup(void)
+{
+ extern void wrppmc_time_init(void);
+ extern void wrppmc_timer_setup(struct irqaction *);
+ extern void wrppmc_machine_restart(char *command);
+ extern void wrppmc_machine_halt(void);
+ extern void wrppmc_machine_power_off(void);
+
+ _machine_restart = wrppmc_machine_restart;
+ _machine_halt = wrppmc_machine_halt;
+ pm_power_off = wrppmc_machine_power_off;
+
+ /* Use MIPS Count/Compare Timer */
+ board_time_init = wrppmc_time_init;
+ board_timer_setup = wrppmc_timer_setup;
+
+ /* This makes the operations of 'in/out[bwl]' to the
+ * physical address ( < KSEG0) can work via KSEG1
+ */
+ set_io_port_base(KSEG1);
+
+#ifdef CONFIG_SERIAL_8250
+ wrppmc_setup_serial();
+#endif
+}
+
+const char *get_system_type(void)
+{
+ return "Wind River PPMC (GT64120)";
+}
+
+/*
+ * Initializes basic routines and structures pointers, memory size (as
+ * given by the bios and saves the command line.
+ */
+void __init prom_init(void)
+{
+ mips_machgroup = MACH_GROUP_GALILEO;
+ mips_machtype = MACH_EV64120A;
+
+ add_memory_region(WRPPMC_SDRAM_SCS0_BASE, WRPPMC_SDRAM_SCS0_SIZE, BOOT_MEM_RAM);
+ add_memory_region(WRPPMC_BOOTROM_BASE, WRPPMC_BOOTROM_SIZE, BOOT_MEM_ROM_DATA);
+
+ wrppmc_early_printk("prom_init: GT64120 SDRAM Bank 0: 0x%x - 0x%08lx\n",
+ WRPPMC_SDRAM_SCS0_BASE, (WRPPMC_SDRAM_SCS0_BASE + WRPPMC_SDRAM_SCS0_SIZE));
+}
diff --git a/arch/mips/gt64120/wrppmc/time.c b/arch/mips/gt64120/wrppmc/time.c
new file mode 100644
index 00000000000..175d22adb45
--- /dev/null
+++ b/arch/mips/gt64120/wrppmc/time.c
@@ -0,0 +1,57 @@
+/*
+ * time.c: MIPS CPU Count/Compare timer hookup
+ *
+ * Author: Mark.Zhan, <rongkai.zhan@windriver.com>
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1996, 1997, 2004 by Ralf Baechle (ralf@linux-mips.org)
+ * Copyright (C) 2006, Wind River System Inc.
+ */
+#include <linux/config.h>
+#include <linux/init.h>
+#include <linux/string.h>
+#include <linux/kernel.h>
+#include <linux/param.h> /* for HZ */
+#include <linux/irq.h>
+#include <linux/timex.h>
+#include <linux/interrupt.h>
+
+#include <asm/reboot.h>
+#include <asm/time.h>
+#include <asm/io.h>
+#include <asm/bootinfo.h>
+#include <asm/gt64120.h>
+
+#define WRPPMC_CPU_CLK_FREQ 40000000 /* 40MHZ */
+
+void __init wrppmc_timer_setup(struct irqaction *irq)
+{
+ /* Install ISR for timer interrupt */
+ setup_irq(WRPPMC_MIPS_TIMER_IRQ, irq);
+
+ /* to generate the first timer interrupt */
+ write_c0_compare(mips_hpt_frequency/HZ);
+ write_c0_count(0);
+}
+
+/*
+ * Estimate CPU frequency. Sets mips_hpt_frequency as a side-effect
+ *
+ * NOTE: We disable all GT64120 timers, and use MIPS processor internal
+ * timer as the source of kernel clock tick.
+ */
+void __init wrppmc_time_init(void)
+{
+ /* Disable GT64120 timers */
+ GT_WRITE(GT_TC_CONTROL_OFS, 0x00);
+ GT_WRITE(GT_TC0_OFS, 0x00);
+ GT_WRITE(GT_TC1_OFS, 0x00);
+ GT_WRITE(GT_TC2_OFS, 0x00);
+ GT_WRITE(GT_TC3_OFS, 0x00);
+
+ /* Use MIPS compare/count internal timer */
+ mips_hpt_frequency = WRPPMC_CPU_CLK_FREQ;
+}
diff --git a/arch/mips/pci/Makefile b/arch/mips/pci/Makefile
index 16205b58733..fb50d410773 100644
--- a/arch/mips/pci/Makefile
+++ b/arch/mips/pci/Makefile
@@ -57,3 +57,4 @@ obj-$(CONFIG_TOSHIBA_RBTX4927) += fixup-rbtx4927.o ops-tx4927.o
obj-$(CONFIG_TOSHIBA_RBTX4938) += fixup-tx4938.o ops-tx4938.o
obj-$(CONFIG_VICTOR_MPC30X) += fixup-mpc30x.o
obj-$(CONFIG_ZAO_CAPCELLA) += fixup-capcella.o
+obj-$(CONFIG_WR_PPMC) += fixup-wrppmc.o
diff --git a/arch/mips/pci/fixup-wrppmc.c b/arch/mips/pci/fixup-wrppmc.c
new file mode 100644
index 00000000000..3357c1300bb
--- /dev/null
+++ b/arch/mips/pci/fixup-wrppmc.c
@@ -0,0 +1,37 @@
+/*
+ * fixup-wrppmc.c: PPMC board specific PCI fixup
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2006, Wind River Inc. Rongkai.zhan (rongkai.zhan@windriver.com)
+ */
+#include <linux/init.h>
+#include <linux/pci.h>
+#include <asm/gt64120.h>
+
+/* PCI interrupt pins */
+#define PCI_INTA 1
+#define PCI_INTB 2
+#define PCI_INTC 3
+#define PCI_INTD 4
+
+#define PCI_SLOT_MAXNR 32 /* Each PCI bus has 32 physical slots */
+
+static char pci_irq_tab[PCI_SLOT_MAXNR][5] __initdata = {
+ /* 0 INTA INTB INTC INTD */
+ [0] = {0, 0, 0, 0, 0}, /* Slot 0: GT64120 PCI bridge */
+ [6] = {0, WRPPMC_PCI_INTA_IRQ, 0, 0, 0},
+};
+
+int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+ return pci_irq_tab[slot][pin];
+}
+
+/* Do platform specific device initialization at pci_enable_device() time */
+int pcibios_plat_dev_init(struct pci_dev *dev)
+{
+ return 0;
+}