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[PATCH] powerpc: Updated Initial MPC8540 ADS port with OF Flat Dev 

Updated patch for support for mpc8540_ads in arch/powerpc with a
flat OF device tree. This patch does not yet support PCI or I2C.

Signed-off-by: Becky Bruce <becky.bruce@freescale.com>
Signed-off-by: Jon Loeliger <jdl@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Becky Bruce 2006-01-14 16:57:39 -06:00 committed by Paul Mackerras
parent 837e9594fc
commit 63dafe5728
10 changed files with 1431 additions and 73 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
arch/powerpc/Kconfig
View File

@ -121,6 +121,12 @@ config PPC_83xx
select 83xx
select PPC_FPU
config PPC_85xx
bool "Freescale 85xx"
select E500
select FSL_SOC
select 85xx
config 40x
bool "AMCC 40x"
@ -133,8 +139,6 @@ config 8xx
config E200
bool "Freescale e200"
config E500
bool "Freescale e500"
endchoice
config POWER4_ONLY
@ -162,6 +166,13 @@ config 6xx
config 83xx
bool
# this is temp to handle compat with arch=ppc
config 85xx
bool
config E500
bool
config PPC_FPU
bool
default y if PPC64
@ -211,6 +222,7 @@ config ALTIVEC
config SPE
bool "SPE Support"
depends on E200 || E500
default y
---help---
This option enables kernel support for the Signal Processing
Extensions (SPE) to the PowerPC processor. The kernel currently
@ -728,13 +740,12 @@ config GENERIC_ISA_DMA
config PPC_I8259
bool
default y if 85xx
default n
config PPC_INDIRECT_PCI
bool
depends on PCI
default y if 40x || 44x || 85xx
default y if 40x || 44x
default n
config EISA
@ -751,8 +762,8 @@ config MCA
bool
config PCI
bool "PCI support" if 40x || CPM2 || PPC_83xx || 85xx || PPC_MPC52xx || (EMBEDDED && PPC_ISERIES)
default y if !40x && !CPM2 && !8xx && !APUS && !PPC_83xx && !85xx
bool "PCI support" if 40x || CPM2 || PPC_83xx || PPC_85xx || PPC_MPC52xx || (EMBEDDED && PPC_ISERIES)
default y if !40x && !CPM2 && !8xx && !APUS && !PPC_83xx && !PPC_85xx
default PCI_PERMEDIA if !4xx && !CPM2 && !8xx && APUS
default PCI_QSPAN if !4xx && !CPM2 && 8xx
help

721
arch/powerpc/configs/mpc8540_ads_defconfig Normal file
View File

@ -0,0 +1,721 @@
#
# Automatically generated make config: don't edit
# Linux kernel version:
# Sat Jan 14 15:57:54 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_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
#
# Processor support
#
# CONFIG_CLASSIC32 is not set
# CONFIG_PPC_52xx is not set
# CONFIG_PPC_82xx is not set
# CONFIG_PPC_83xx is not set
CONFIG_PPC_85xx=y
# CONFIG_40x is not set
# CONFIG_44x is not set
# CONFIG_8xx is not set
# CONFIG_E200 is not set
CONFIG_85xx=y
CONFIG_E500=y
CONFIG_BOOKE=y
CONFIG_FSL_BOOKE=y
# CONFIG_PHYS_64BIT is not set
CONFIG_SPE=y
#
# Code maturity level options
#
CONFIG_EXPERIMENTAL=y
CONFIG_CLEAN_COMPILE=y
CONFIG_BROKEN_ON_SMP=y
CONFIG_INIT_ENV_ARG_LIMIT=32
#
# 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_INITRAMFS_SOURCE=""
# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
CONFIG_EMBEDDED=y
CONFIG_KALLSYMS=y
# CONFIG_KALLSYMS_ALL is not set
# 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_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 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"
CONFIG_MPIC=y
# CONFIG_WANT_EARLY_SERIAL is not set
#
# Platform support
#
CONFIG_MPC8540_ADS=y
CONFIG_MPC8540=y
CONFIG_PPC_INDIRECT_PCI_BE=y
#
# 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_MATH_EMULATION=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_PPC_I8259 is not set
CONFIG_PPC_INDIRECT_PCI=y
CONFIG_FSL_SOC=y
# CONFIG_PCI is not set
# CONFIG_PCI_DOMAINS is not set
#
# PCCARD (PCMCIA/CardBus) support
#
# CONFIG_PCCARD is not set
#
# PCI Hotplug Support
#
#
# 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_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_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
# 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
#
# TIPC Configuration (EXPERIMENTAL)
#
# CONFIG_TIPC is not set
# CONFIG_NET_DIVERT is not set
# CONFIG_ECONET is not set
# CONFIG_WAN_ROUTER is not set
#
# 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
# CONFIG_DEBUG_DRIVER 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_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_RAM=y
CONFIG_BLK_DEV_RAM_COUNT=16
CONFIG_BLK_DEV_RAM_SIZE=32768
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
#
#
# I2O device support
#
#
# 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
#
# 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
#
# Ethernet (1000 Mbit)
#
CONFIG_GIANFAR=y
CONFIG_GFAR_NAPI=y
#
# Ethernet (10000 Mbit)
#
#
# Token Ring devices
#
#
# Wireless LAN (non-hamradio)
#
# CONFIG_NET_RADIO is not set
#
# Wan interfaces
#
# CONFIG_WAN 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=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_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_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
#
# Ftape, the floppy tape device driver
#
# CONFIG_AGP 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
#
# Dallas's 1-wire bus
#
# CONFIG_W1 is not set
#
# Hardware Monitoring support
#
CONFIG_HWMON=y
# CONFIG_HWMON_VID 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 is not set
# CONFIG_USB_ARCH_HAS_OHCI 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
#
#
# SN Devices
#
#
# 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_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 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 is not set
# CONFIG_LDM_PARTITION is not set
# CONFIG_SGI_PARTITION is not set
# CONFIG_ULTRIX_PARTITION is not set
# CONFIG_SUN_PARTITION is not set
# CONFIG_EFI_PARTITION is not set
#
# Native Language Support
#
# CONFIG_NLS 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=y
CONFIG_LOG_BUF_SHIFT=14
CONFIG_DETECT_SOFTLOCKUP=y
# CONFIG_SCHEDSTATS is not set
# CONFIG_DEBUG_SLAB is not set
CONFIG_DEBUG_MUTEXES=y
# CONFIG_DEBUG_SPINLOCK is not set
# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
# CONFIG_DEBUG_KOBJECT is not set
# CONFIG_DEBUG_INFO is not set
# CONFIG_DEBUG_FS is not set
# CONFIG_DEBUG_VM is not set
# CONFIG_RCU_TORTURE_TEST is not set
# CONFIG_DEBUGGER is not set
# CONFIG_BDI_SWITCH is not set
# CONFIG_BOOTX_TEXT 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
#

363
arch/powerpc/kernel/head_booke.h Normal file
View File

@ -0,0 +1,363 @@
#ifndef __HEAD_BOOKE_H__
#define __HEAD_BOOKE_H__
/*
* Macros used for common Book-e exception handling
*/
#define SET_IVOR(vector_number, vector_label) \
li r26,vector_label@l; \
mtspr SPRN_IVOR##vector_number,r26; \
sync
#define NORMAL_EXCEPTION_PROLOG \
mtspr SPRN_SPRG0,r10; /* save two registers to work with */\
mtspr SPRN_SPRG1,r11; \
mtspr SPRN_SPRG4W,r1; \
mfcr r10; /* save CR in r10 for now */\
mfspr r11,SPRN_SRR1; /* check whether user or kernel */\
andi. r11,r11,MSR_PR; \
beq 1f; \
mfspr r1,SPRN_SPRG3; /* if from user, start at top of */\
lwz r1,THREAD_INFO-THREAD(r1); /* this thread's kernel stack */\
addi r1,r1,THREAD_SIZE; \
1: subi r1,r1,INT_FRAME_SIZE; /* Allocate an exception frame */\
mr r11,r1; \
stw r10,_CCR(r11); /* save various registers */\
stw r12,GPR12(r11); \
stw r9,GPR9(r11); \
mfspr r10,SPRN_SPRG0; \
stw r10,GPR10(r11); \
mfspr r12,SPRN_SPRG1; \
stw r12,GPR11(r11); \
mflr r10; \
stw r10,_LINK(r11); \
mfspr r10,SPRN_SPRG4R; \
mfspr r12,SPRN_SRR0; \
stw r10,GPR1(r11); \
mfspr r9,SPRN_SRR1; \
stw r10,0(r11); \
rlwinm r9,r9,0,14,12; /* clear MSR_WE (necessary?) */\
stw r0,GPR0(r11); \
SAVE_4GPRS(3, r11); \
SAVE_2GPRS(7, r11)
/* To handle the additional exception priority levels on 40x and Book-E
* processors we allocate a 4k stack per additional priority level. The various
* head_xxx.S files allocate space (exception_stack_top) for each priority's
* stack times the number of CPUs
*
* On 40x critical is the only additional level
* On 44x/e500 we have critical and machine check
* On e200 we have critical and debug (machine check occurs via critical)
*
* Additionally we reserve a SPRG for each priority level so we can free up a
* GPR to use as the base for indirect access to the exception stacks. This
* is necessary since the MMU is always on, for Book-E parts, and the stacks
* are offset from KERNELBASE.
*
*/
#define BOOKE_EXCEPTION_STACK_SIZE (8192)
/* CRIT_SPRG only used in critical exception handling */
#define CRIT_SPRG SPRN_SPRG2
/* MCHECK_SPRG only used in machine check exception handling */
#define MCHECK_SPRG SPRN_SPRG6W
#define MCHECK_STACK_TOP (exception_stack_top - 4096)
#define CRIT_STACK_TOP (exception_stack_top)
/* only on e200 for now */
#define DEBUG_STACK_TOP (exception_stack_top - 4096)
#define DEBUG_SPRG SPRN_SPRG6W
#ifdef CONFIG_SMP
#define BOOKE_LOAD_EXC_LEVEL_STACK(level) \
mfspr r8,SPRN_PIR; \
mulli r8,r8,BOOKE_EXCEPTION_STACK_SIZE; \
neg r8,r8; \
addis r8,r8,level##_STACK_TOP@ha; \
addi r8,r8,level##_STACK_TOP@l
#else
#define BOOKE_LOAD_EXC_LEVEL_STACK(level) \
lis r8,level##_STACK_TOP@h; \
ori r8,r8,level##_STACK_TOP@l
#endif
/*
* Exception prolog for critical/machine check exceptions. This is a
* little different from the normal exception prolog above since a
* critical/machine check exception can potentially occur at any point
* during normal exception processing. Thus we cannot use the same SPRG
* registers as the normal prolog above. Instead we use a portion of the
* critical/machine check exception stack at low physical addresses.
*/
#define EXC_LEVEL_EXCEPTION_PROLOG(exc_level, exc_level_srr0, exc_level_srr1) \
mtspr exc_level##_SPRG,r8; \
BOOKE_LOAD_EXC_LEVEL_STACK(exc_level);/* r8 points to the exc_level stack*/ \
stw r10,GPR10-INT_FRAME_SIZE(r8); \
stw r11,GPR11-INT_FRAME_SIZE(r8); \
mfcr r10; /* save CR in r10 for now */\
mfspr r11,exc_level_srr1; /* check whether user or kernel */\
andi. r11,r11,MSR_PR; \
mr r11,r8; \
mfspr r8,exc_level##_SPRG; \
beq 1f; \
/* COMING FROM USER MODE */ \
mfspr r11,SPRN_SPRG3; /* if from user, start at top of */\
lwz r11,THREAD_INFO-THREAD(r11); /* this thread's kernel stack */\
addi r11,r11,THREAD_SIZE; \
1: subi r11,r11,INT_FRAME_SIZE; /* Allocate an exception frame */\
stw r10,_CCR(r11); /* save various registers */\
stw r12,GPR12(r11); \
stw r9,GPR9(r11); \
mflr r10; \
stw r10,_LINK(r11); \
mfspr r12,SPRN_DEAR; /* save DEAR and ESR in the frame */\
stw r12,_DEAR(r11); /* since they may have had stuff */\
mfspr r9,SPRN_ESR; /* in them at the point where the */\
stw r9,_ESR(r11); /* exception was taken */\
mfspr r12,exc_level_srr0; \
stw r1,GPR1(r11); \
mfspr r9,exc_level_srr1; \
stw r1,0(r11); \
mr r1,r11; \
rlwinm r9,r9,0,14,12; /* clear MSR_WE (necessary?) */\
stw r0,GPR0(r11); \
SAVE_4GPRS(3, r11); \
SAVE_2GPRS(7, r11)
#define CRITICAL_EXCEPTION_PROLOG \
EXC_LEVEL_EXCEPTION_PROLOG(CRIT, SPRN_CSRR0, SPRN_CSRR1)
#define DEBUG_EXCEPTION_PROLOG \
EXC_LEVEL_EXCEPTION_PROLOG(DEBUG, SPRN_DSRR0, SPRN_DSRR1)
#define MCHECK_EXCEPTION_PROLOG \
EXC_LEVEL_EXCEPTION_PROLOG(MCHECK, SPRN_MCSRR0, SPRN_MCSRR1)
/*
* Exception vectors.
*/
#define START_EXCEPTION(label) \
.align 5; \
label:
#define FINISH_EXCEPTION(func) \
bl transfer_to_handler_full; \
.long func; \
.long ret_from_except_full
#define EXCEPTION(n, label, hdlr, xfer) \
START_EXCEPTION(label); \
NORMAL_EXCEPTION_PROLOG; \
addi r3,r1,STACK_FRAME_OVERHEAD; \
xfer(n, hdlr)
#define CRITICAL_EXCEPTION(n, label, hdlr) \
START_EXCEPTION(label); \
CRITICAL_EXCEPTION_PROLOG; \
addi r3,r1,STACK_FRAME_OVERHEAD; \
EXC_XFER_TEMPLATE(hdlr, n+2, (MSR_KERNEL & ~(MSR_ME|MSR_DE|MSR_CE)), \
NOCOPY, crit_transfer_to_handler, \
ret_from_crit_exc)
#define MCHECK_EXCEPTION(n, label, hdlr) \
START_EXCEPTION(label); \
MCHECK_EXCEPTION_PROLOG; \
mfspr r5,SPRN_ESR; \
stw r5,_ESR(r11); \
addi r3,r1,STACK_FRAME_OVERHEAD; \
EXC_XFER_TEMPLATE(hdlr, n+2, (MSR_KERNEL & ~(MSR_ME|MSR_DE|MSR_CE)), \
NOCOPY, mcheck_transfer_to_handler, \
ret_from_mcheck_exc)
#define EXC_XFER_TEMPLATE(hdlr, trap, msr, copyee, tfer, ret) \
li r10,trap; \
stw r10,_TRAP(r11); \
lis r10,msr@h; \
ori r10,r10,msr@l; \
copyee(r10, r9); \
bl tfer; \
.long hdlr; \
.long ret
#define COPY_EE(d, s) rlwimi d,s,0,16,16
#define NOCOPY(d, s)
#define EXC_XFER_STD(n, hdlr) \
EXC_XFER_TEMPLATE(hdlr, n, MSR_KERNEL, NOCOPY, transfer_to_handler_full, \
ret_from_except_full)
#define EXC_XFER_LITE(n, hdlr) \
EXC_XFER_TEMPLATE(hdlr, n+1, MSR_KERNEL, NOCOPY, transfer_to_handler, \
ret_from_except)
#define EXC_XFER_EE(n, hdlr) \
EXC_XFER_TEMPLATE(hdlr, n, MSR_KERNEL, COPY_EE, transfer_to_handler_full, \
ret_from_except_full)
#define EXC_XFER_EE_LITE(n, hdlr) \
EXC_XFER_TEMPLATE(hdlr, n+1, MSR_KERNEL, COPY_EE, transfer_to_handler, \
ret_from_except)
/* Check for a single step debug exception while in an exception
* handler before state has been saved. This is to catch the case
* where an instruction that we are trying to single step causes
* an exception (eg ITLB/DTLB miss) and thus the first instruction of
* the exception handler generates a single step debug exception.
*
* If we get a debug trap on the first instruction of an exception handler,
* we reset the MSR_DE in the _exception handler's_ MSR (the debug trap is
* a critical exception, so we are using SPRN_CSRR1 to manipulate the MSR).
* The exception handler was handling a non-critical interrupt, so it will
* save (and later restore) the MSR via SPRN_CSRR1, which will still have
* the MSR_DE bit set.
*/
#ifdef CONFIG_E200
#define DEBUG_EXCEPTION \
START_EXCEPTION(Debug); \
DEBUG_EXCEPTION_PROLOG; \
\
/* \
* If there is a single step or branch-taken exception in an \
* exception entry sequence, it was probably meant to apply to \
* the code where the exception occurred (since exception entry \
* doesn't turn off DE automatically). We simulate the effect \
* of turning off DE on entry to an exception handler by turning \
* off DE in the CSRR1 value and clearing the debug status. \
*/ \
mfspr r10,SPRN_DBSR; /* check single-step/branch taken */ \
andis. r10,r10,DBSR_IC@h; \
beq+ 2f; \
\
lis r10,KERNELBASE@h; /* check if exception in vectors */ \
ori r10,r10,KERNELBASE@l; \
cmplw r12,r10; \
blt+ 2f; /* addr below exception vectors */ \
\
lis r10,Debug@h; \
ori r10,r10,Debug@l; \
cmplw r12,r10; \
bgt+ 2f; /* addr above exception vectors */ \
\
/* here it looks like we got an inappropriate debug exception. */ \
1: rlwinm r9,r9,0,~MSR_DE; /* clear DE in the CDRR1 value */ \
lis r10,DBSR_IC@h; /* clear the IC event */ \
mtspr SPRN_DBSR,r10; \
/* restore state and get out */ \
lwz r10,_CCR(r11); \
lwz r0,GPR0(r11); \
lwz r1,GPR1(r11); \
mtcrf 0x80,r10; \
mtspr SPRN_DSRR0,r12; \
mtspr SPRN_DSRR1,r9; \
lwz r9,GPR9(r11); \
lwz r12,GPR12(r11); \
mtspr DEBUG_SPRG,r8; \
BOOKE_LOAD_EXC_LEVEL_STACK(DEBUG); /* r8 points to the debug stack */ \
lwz r10,GPR10-INT_FRAME_SIZE(r8); \
lwz r11,GPR11-INT_FRAME_SIZE(r8); \
mfspr r8,DEBUG_SPRG; \
\
RFDI; \
b .; \
\
/* continue normal handling for a critical exception... */ \
2: mfspr r4,SPRN_DBSR; \
addi r3,r1,STACK_FRAME_OVERHEAD; \
EXC_XFER_TEMPLATE(DebugException, 0x2002, (MSR_KERNEL & ~(MSR_ME|MSR_DE|MSR_CE)), NOCOPY, debug_transfer_to_handler, ret_from_debug_exc)
#else
#define DEBUG_EXCEPTION \
START_EXCEPTION(Debug); \
CRITICAL_EXCEPTION_PROLOG; \
\
/* \
* If there is a single step or branch-taken exception in an \
* exception entry sequence, it was probably meant to apply to \
* the code where the exception occurred (since exception entry \
* doesn't turn off DE automatically). We simulate the effect \
* of turning off DE on entry to an exception handler by turning \
* off DE in the CSRR1 value and clearing the debug status. \
*/ \
mfspr r10,SPRN_DBSR; /* check single-step/branch taken */ \
andis. r10,r10,DBSR_IC@h; \
beq+ 2f; \
\
lis r10,KERNELBASE@h; /* check if exception in vectors */ \
ori r10,r10,KERNELBASE@l; \
cmplw r12,r10; \
blt+ 2f; /* addr below exception vectors */ \
\
lis r10,Debug@h; \
ori r10,r10,Debug@l; \
cmplw r12,r10; \
bgt+ 2f; /* addr above exception vectors */ \
\
/* here it looks like we got an inappropriate debug exception. */ \
1: rlwinm r9,r9,0,~MSR_DE; /* clear DE in the CSRR1 value */ \
lis r10,DBSR_IC@h; /* clear the IC event */ \
mtspr SPRN_DBSR,r10; \
/* restore state and get out */ \
lwz r10,_CCR(r11); \
lwz r0,GPR0(r11); \
lwz r1,GPR1(r11); \
mtcrf 0x80,r10; \
mtspr SPRN_CSRR0,r12; \
mtspr SPRN_CSRR1,r9; \
lwz r9,GPR9(r11); \
lwz r12,GPR12(r11); \
mtspr CRIT_SPRG,r8; \
BOOKE_LOAD_EXC_LEVEL_STACK(CRIT); /* r8 points to the debug stack */ \
lwz r10,GPR10-INT_FRAME_SIZE(r8); \
lwz r11,GPR11-INT_FRAME_SIZE(r8); \
mfspr r8,CRIT_SPRG; \
\
rfci; \
b .; \
\
/* continue normal handling for a critical exception... */ \
2: mfspr r4,SPRN_DBSR; \
addi r3,r1,STACK_FRAME_OVERHEAD; \
EXC_XFER_TEMPLATE(DebugException, 0x2002, (MSR_KERNEL & ~(MSR_ME|MSR_DE|MSR_CE)), NOCOPY, crit_transfer_to_handler, ret_from_crit_exc)
#endif
#define INSTRUCTION_STORAGE_EXCEPTION \
START_EXCEPTION(InstructionStorage) \
NORMAL_EXCEPTION_PROLOG; \
mfspr r5,SPRN_ESR; /* Grab the ESR and save it */ \
stw r5,_ESR(r11); \
mr r4,r12; /* Pass SRR0 as arg2 */ \
li r5,0; /* Pass zero as arg3 */ \
EXC_XFER_EE_LITE(0x0400, handle_page_fault)
#define ALIGNMENT_EXCEPTION \
START_EXCEPTION(Alignment) \
NORMAL_EXCEPTION_PROLOG; \
mfspr r4,SPRN_DEAR; /* Grab the DEAR and save it */ \
stw r4,_DEAR(r11); \
addi r3,r1,STACK_FRAME_OVERHEAD; \
EXC_XFER_EE(0x0600, alignment_exception)
#define PROGRAM_EXCEPTION \
START_EXCEPTION(Program) \
NORMAL_EXCEPTION_PROLOG; \
mfspr r4,SPRN_ESR; /* Grab the ESR and save it */ \
stw r4,_ESR(r11); \
addi r3,r1,STACK_FRAME_OVERHEAD; \
EXC_XFER_STD(0x0700, program_check_exception)
#define DECREMENTER_EXCEPTION \
START_EXCEPTION(Decrementer) \
NORMAL_EXCEPTION_PROLOG; \
lis r0,TSR_DIS@h; /* Setup the DEC interrupt mask */ \
mtspr SPRN_TSR,r0; /* Clear the DEC interrupt */ \
addi r3,r1,STACK_FRAME_OVERHEAD; \
EXC_XFER_LITE(0x0900, timer_interrupt)
#define FP_UNAVAILABLE_EXCEPTION \
START_EXCEPTION(FloatingPointUnavailable) \
NORMAL_EXCEPTION_PROLOG; \
bne load_up_fpu; /* if from user, just load it up */ \
addi r3,r1,STACK_FRAME_OVERHEAD; \
EXC_XFER_EE_LITE(0x800, KernelFP)
#endif /* __HEAD_BOOKE_H__ */

74
arch/powerpc/platforms/85xx/Kconfig
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@ -1,86 +1,30 @@
config 85xx
bool
depends on E500
default y
config PPC_INDIRECT_PCI_BE
bool
depends on 85xx
default y
menu "Freescale 85xx options"
depends on E500
menu "Platform support"
depends on PPC_85xx
choice
prompt "Machine Type"
depends on 85xx
default MPC8540_ADS
config MPC8540_ADS
bool "Freescale MPC8540 ADS"
help
This option enables support for the MPC 8540 ADS evaluation board.
config MPC8548_CDS
bool "Freescale MPC8548 CDS"
help
This option enablese support for the MPC8548 CDS evaluation board.
config MPC8555_CDS
bool "Freescale MPC8555 CDS"
help
This option enablese support for the MPC8555 CDS evaluation board.
config MPC8560_ADS
bool "Freescale MPC8560 ADS"
help
This option enables support for the MPC 8560 ADS evaluation board.
config SBC8560
bool "WindRiver PowerQUICC III SBC8560"
help
This option enables support for the WindRiver PowerQUICC III
SBC8560 board.
config STX_GP3
bool "Silicon Turnkey Express GP3"
help
This option enables support for the Silicon Turnkey Express GP3
board.
This option enables support for the MPC 8540 ADS board
endchoice
# It's often necessary to know the specific 85xx processor type.
# Fortunately, it is implied (so far) from the board type, so we
# don't need to ask more redundant questions.
config MPC8540
bool
depends on MPC8540_ADS
default y
select PPC_UDBG_16550
select PPC_INDIRECT_PCI
default y if MPC8540_ADS
config MPC8548
config PPC_INDIRECT_PCI_BE
bool
depends on MPC8548_CDS
depends on PPC_85xx
default y
config MPC8555
config MPIC
bool
depends on MPC8555_CDS
default y
config MPC8560
bool
depends on SBC8560 || MPC8560_ADS || STX_GP3
default y
config 85xx_PCI2
bool "Supprt for 2nd PCI host controller"
depends on MPC8555_CDS
default y
config PPC_GEN550
bool
depends on MPC8540 || SBC8560 || MPC8555
default y
endmenu

5
arch/powerpc/platforms/85xx/Makefile
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@ -1 +1,4 @@
# empty makefile so make clean works
#
# Makefile for the PowerPC 85xx linux kernel.
#
obj-$(CONFIG_PPC_85xx) += mpc85xx.o mpc85xx_ads.o

60
arch/powerpc/platforms/85xx/mpc8540_ads.h Normal file
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@ -0,0 +1,60 @@
/*
* arch/ppc/platforms/85xx/mpc8540_ads.h
*
* MPC8540ADS board definitions
*
* Maintainer: Kumar Gala <kumar.gala@freescale.com>
*
* Copyright 2004 Freescale Semiconductor Inc.
*
* 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.
*
*/
#ifndef __MACH_MPC8540ADS_H__
#define __MACH_MPC8540ADS_H__
#include <linux/config.h>
#include <linux/initrd.h>
#define BOARD_CCSRBAR ((uint)0xe0000000)
#define BCSR_ADDR ((uint)0xf8000000)
#define BCSR_SIZE ((uint)(32 * 1024))
/* PCI interrupt controller */
#define PIRQA MPC85xx_IRQ_EXT1
#define PIRQB MPC85xx_IRQ_EXT2
#define PIRQC MPC85xx_IRQ_EXT3
#define PIRQD MPC85xx_IRQ_EXT4
#define MPC85XX_PCI1_LOWER_IO 0x00000000
#define MPC85XX_PCI1_UPPER_IO 0x00ffffff
#define MPC85XX_PCI1_LOWER_MEM 0x80000000
#define MPC85XX_PCI1_UPPER_MEM 0x9fffffff
#define MPC85XX_PCI1_IO_BASE 0xe2000000
#define MPC85XX_PCI1_MEM_OFFSET 0x00000000
#define MPC85XX_PCI1_IO_SIZE 0x01000000
/* PCI config */
#define PCI1_CFG_ADDR_OFFSET (0x8000)
#define PCI1_CFG_DATA_OFFSET (0x8004)
#define PCI2_CFG_ADDR_OFFSET (0x9000)
#define PCI2_CFG_DATA_OFFSET (0x9004)
/* Additional register for PCI-X configuration */
#define PCIX_NEXT_CAP 0x60
#define PCIX_CAP_ID 0x61
#define PCIX_COMMAND 0x62
#define PCIX_STATUS 0x64
/* Offset of CPM register space */
#define CPM_MAP_ADDR (CCSRBAR + MPC85xx_CPM_OFFSET)
#endif /* __MACH_MPC8540ADS_H__ */

31
arch/powerpc/platforms/85xx/mpc85xx.c Normal file
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@ -0,0 +1,31 @@
/*
* MPC85xx generic code.
*
* Maintained by Kumar Gala (see MAINTAINERS for contact information)
*
* Copyright 2005 Freescale Semiconductor Inc.
*
* 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/irq.h>
#include <linux/module.h>
#include <asm/irq.h>
extern void abort(void);
void
mpc85xx_restart(char *cmd)
{
local_irq_disable();
abort();
}
/* For now this is a pass through */
phys_addr_t fixup_bigphys_addr(phys_addr_t addr, phys_addr_t size)
{
return addr;
};
EXPORT_SYMBOL(fixup_bigphys_addr);

17
arch/powerpc/platforms/85xx/mpc85xx.h Normal file
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@ -0,0 +1,17 @@
/*
* arch/ppc/platforms/85xx/mpc85xx.h
*
* MPC85xx soc definitions/function decls
*
* Maintainer: Kumar Gala <kumar.gala@freescale.com>
*
* Copyright 2005 Freescale Semiconductor Inc.
*
* 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.
*
*/
extern void mpc85xx_restart(char *);

208
arch/powerpc/platforms/85xx/mpc85xx_ads.c Normal file
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@ -0,0 +1,208 @@
/*
* MPC85xx setup and early boot code plus other random bits.
*
* Maintained by Kumar Gala (see MAINTAINERS for contact information)
*
* Copyright 2005 Freescale Semiconductor Inc.
*
* 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/reboot.h>
#include <linux/pci.h>
#include <linux/kdev_t.h>
#include <linux/major.h>
#include <linux/console.h>
#include <linux/delay.h>
#include <linux/irq.h>
#include <linux/seq_file.h>
#include <linux/root_dev.h>
#include <linux/serial.h>
#include <linux/tty.h> /* for linux/serial_core.h */
#include <linux/serial_core.h>
#include <linux/initrd.h>
#include <linux/module.h>
#include <linux/fsl_devices.h>
#include <linux/serial_core.h>
#include <linux/serial_8250.h>
#include <asm/system.h>
#include <asm/pgtable.h>
#include <asm/page.h>
#include <asm/atomic.h>
#include <asm/time.h>
#include <asm/io.h>
#include <asm/machdep.h>
#include <asm/bootinfo.h>
#include <asm/pci-bridge.h>
#include <asm/mpc85xx.h>
#include <asm/irq.h>
#include <asm/immap_85xx.h>
#include <asm/prom.h>
#include <asm/mpic.h>
#include <mm/mmu_decl.h>
#include <asm/udbg.h>
#include <sysdev/fsl_soc.h>
#include "mpc85xx.h"
#ifndef CONFIG_PCI
unsigned long isa_io_base = 0;
unsigned long isa_mem_base = 0;
#endif
/*
* Internal interrupts are all Level Sensitive, and Positive Polarity
*
* Note: Likely, this table and the following function should be
* obtained and derived from the OF Device Tree.
*/
static u_char mpc85xx_ads_openpic_initsenses[] __initdata = {
MPC85XX_INTERNAL_IRQ_SENSES,
0x0, /* External 0: */
#if defined(CONFIG_PCI)
(IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* Ext 1: PCI slot 0 */
(IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* Ext 2: PCI slot 1 */
(IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* Ext 3: PCI slot 2 */
(IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* Ext 4: PCI slot 3 */
#else
0x0, /* External 1: */
0x0, /* External 2: */
0x0, /* External 3: */
0x0, /* External 4: */
#endif
(IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* External 5: PHY */
0x0, /* External 6: */
(IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* External 7: PHY */
0x0, /* External 8: */
0x0, /* External 9: */
0x0, /* External 10: */
0x0, /* External 11: */
};
void __init mpc85xx_ads_pic_init(void)
{
struct mpic *mpic1;
phys_addr_t OpenPIC_PAddr;
/* Determine the Physical Address of the OpenPIC regs */
OpenPIC_PAddr = get_immrbase() + MPC85xx_OPENPIC_OFFSET;
mpic1 = mpic_alloc(OpenPIC_PAddr,
MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN,
4, MPC85xx_OPENPIC_IRQ_OFFSET, 0, 250,
mpc85xx_ads_openpic_initsenses,
sizeof(mpc85xx_ads_openpic_initsenses), " OpenPIC ");
BUG_ON(mpic1 == NULL);
mpic_assign_isu(mpic1, 0, OpenPIC_PAddr + 0x10200);
mpic_assign_isu(mpic1, 1, OpenPIC_PAddr + 0x10280);
mpic_assign_isu(mpic1, 2, OpenPIC_PAddr + 0x10300);
mpic_assign_isu(mpic1, 3, OpenPIC_PAddr + 0x10380);
mpic_assign_isu(mpic1, 4, OpenPIC_PAddr + 0x10400);
mpic_assign_isu(mpic1, 5, OpenPIC_PAddr + 0x10480);
mpic_assign_isu(mpic1, 6, OpenPIC_PAddr + 0x10500);
mpic_assign_isu(mpic1, 7, OpenPIC_PAddr + 0x10580);
/* dummy mappings to get to 48 */
mpic_assign_isu(mpic1, 8, OpenPIC_PAddr + 0x10600);
mpic_assign_isu(mpic1, 9, OpenPIC_PAddr + 0x10680);
mpic_assign_isu(mpic1, 10, OpenPIC_PAddr + 0x10700);
mpic_assign_isu(mpic1, 11, OpenPIC_PAddr + 0x10780);
/* External ints */
mpic_assign_isu(mpic1, 12, OpenPIC_PAddr + 0x10000);
mpic_assign_isu(mpic1, 13, OpenPIC_PAddr + 0x10080);
mpic_assign_isu(mpic1, 14, OpenPIC_PAddr + 0x10100);
mpic_init(mpic1);
}
/*
* Setup the architecture
*/
static void __init
mpc85xx_ads_setup_arch(void)
{
struct device_node *cpu;
if (ppc_md.progress)
ppc_md.progress("mpc85xx_ads_setup_arch()", 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);
}
#ifdef CONFIG_ROOT_NFS
ROOT_DEV = Root_NFS;
#else
ROOT_DEV = Root_HDA1;
#endif
}
void
mpc85xx_ads_show_cpuinfo(struct seq_file *m)
{
uint pvid, svid, phid1;
uint memsize = total_memory;
pvid = mfspr(SPRN_PVR);
svid = mfspr(SPRN_SVR);
seq_printf(m, "Vendor\t\t: Freescale Semiconductor\n");
seq_printf(m, "Machine\t\t: mpc85xx\n");
seq_printf(m, "PVR\t\t: 0x%x\n", pvid);
seq_printf(m, "SVR\t\t: 0x%x\n", svid);
/* Display cpu Pll setting */
phid1 = mfspr(SPRN_HID1);
seq_printf(m, "PLL setting\t: 0x%x\n", ((phid1 >> 24) & 0x3f));
/* Display the amount of memory */
seq_printf(m, "Memory\t\t: %d MB\n", memsize / (1024 * 1024));
}
void __init
platform_init(void)
{
ppc_md.setup_arch = mpc85xx_ads_setup_arch;
ppc_md.show_cpuinfo = mpc85xx_ads_show_cpuinfo;
ppc_md.init_IRQ = mpc85xx_ads_pic_init;
ppc_md.get_irq = mpic_get_irq;
ppc_md.restart = mpc85xx_restart;
ppc_md.power_off = NULL;
ppc_md.halt = NULL;
ppc_md.time_init = NULL;
ppc_md.set_rtc_time = NULL;
ppc_md.get_rtc_time = NULL;
ppc_md.calibrate_decr = generic_calibrate_decr;
ppc_md.progress = udbg_progress;
if (ppc_md.progress)
ppc_md.progress("mpc85xx_ads platform_init(): exit", 0);
}

2
arch/powerpc/platforms/Makefile
View File

@ -8,7 +8,7 @@ endif
obj-$(CONFIG_PPC_CHRP) += chrp/
obj-$(CONFIG_4xx) += 4xx/
obj-$(CONFIG_PPC_83xx) += 83xx/
obj-$(CONFIG_85xx) += 85xx/
obj-$(CONFIG_PPC_85xx) += 85xx/
obj-$(CONFIG_PPC_PSERIES) += pseries/
obj-$(CONFIG_PPC_ISERIES) += iseries/
obj-$(CONFIG_PPC_MAPLE) += maple/