Commit 1a442fe0 authored by Paul Mundt's avatar Paul Mundt
Browse files

sh: Initial SH-X3 SMP support. 



This adds basic support for SH-X3 SMP (4 CPUs).

More IPI and cache debugging is necessary, mostly interfacing the
d-cache coherency and the I-cache broadcast invalidates. Only for
testing at present!

Signed-off-by: default avatarMagnus Damm <damm@igel.co.jp>
Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent 0016a126

arch/sh/configs/shx3_defconfig

+249 −207
Original line number Diff line number Diff line 
#

# Automatically generated make config: don't edit

# Linux kernel version: 2.6.22-rc4

# Wed Jun 20 14:09:27 2007

# Linux kernel version: 2.6.23-rc7

# Fri Sep 21 19:07:30 2007

#

CONFIG_SUPERH=y

CONFIG_RWSEM_GENERIC_SPINLOCK=y
@@ -13,32 +13,33 @@ CONFIG_GENERIC_IRQ_PROBE=y 
CONFIG_GENERIC_CALIBRATE_DELAY=y

CONFIG_GENERIC_TIME=y

CONFIG_GENERIC_CLOCKEVENTS=y

CONFIG_SYS_SUPPORTS_SMP=y

CONFIG_SYS_SUPPORTS_NUMA=y

CONFIG_STACKTRACE_SUPPORT=y

CONFIG_LOCKDEP_SUPPORT=y

# CONFIG_ARCH_HAS_ILOG2_U32 is not set

# CONFIG_ARCH_HAS_ILOG2_U64 is not set

CONFIG_ARCH_NO_VIRT_TO_BUS=y

CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"



#

# Code maturity level options

# General setup

#

CONFIG_EXPERIMENTAL=y

CONFIG_BROKEN_ON_SMP=y

CONFIG_LOCK_KERNEL=y

CONFIG_INIT_ENV_ARG_LIMIT=32



#

# General setup

#

CONFIG_LOCALVERSION=""

CONFIG_LOCALVERSION_AUTO=y

CONFIG_SWAP=y

CONFIG_SYSVIPC=y

# CONFIG_IPC_NS is not set

CONFIG_SYSVIPC_SYSCTL=y

# CONFIG_POSIX_MQUEUE is not set

CONFIG_BSD_PROCESS_ACCT=y

# CONFIG_BSD_PROCESS_ACCT_V3 is not set

# CONFIG_UTS_NS is not set

# CONFIG_TASKSTATS is not set

# CONFIG_USER_NS is not set

# CONFIG_AUDIT is not set

CONFIG_IKCONFIG=y

CONFIG_IKCONFIG_PROC=y

CONFIG_LOG_BUF_SHIFT=14
@@ -63,34 +64,26 @@ CONFIG_FUTEX=y 
CONFIG_ANON_INODES=y

CONFIG_EPOLL=y

CONFIG_SIGNALFD=y

CONFIG_TIMERFD=y

CONFIG_EVENTFD=y

CONFIG_SHMEM=y

CONFIG_VM_EVENT_COUNTERS=y

CONFIG_SLAB=y

# CONFIG_SLAB is not set

# CONFIG_SLUB is not set

# CONFIG_SLOB is not set

CONFIG_SLOB=y

CONFIG_RT_MUTEXES=y

# CONFIG_TINY_SHMEM is not set

CONFIG_BASE_SMALL=0



#

# Loadable module support

#

CONFIG_MODULES=y

CONFIG_MODULE_UNLOAD=y

# CONFIG_MODULE_FORCE_UNLOAD is not set

# CONFIG_MODVERSIONS is not set

# CONFIG_MODULE_SRCVERSION_ALL is not set

CONFIG_KMOD=y



#

# Block layer

#

CONFIG_BLOCK=y

# CONFIG_LBD is not set

# CONFIG_BLK_DEV_IO_TRACE is not set

# CONFIG_LSF is not set

# CONFIG_BLK_DEV_BSG is not set



#

# IO Schedulers
@@ -113,7 +106,6 @@ CONFIG_CPU_SH4A=y 
CONFIG_CPU_SHX3=y

# CONFIG_CPU_SUBTYPE_SH7619 is not set

# CONFIG_CPU_SUBTYPE_SH7206 is not set

# CONFIG_CPU_SUBTYPE_SH7300 is not set

# CONFIG_CPU_SUBTYPE_SH7705 is not set

# CONFIG_CPU_SUBTYPE_SH7706 is not set

# CONFIG_CPU_SUBTYPE_SH7707 is not set
@@ -121,6 +113,7 @@ CONFIG_CPU_SHX3=y 
# CONFIG_CPU_SUBTYPE_SH7709 is not set

# CONFIG_CPU_SUBTYPE_SH7710 is not set

# CONFIG_CPU_SUBTYPE_SH7712 is not set

# CONFIG_CPU_SUBTYPE_SH7720 is not set

# CONFIG_CPU_SUBTYPE_SH7750 is not set

# CONFIG_CPU_SUBTYPE_SH7091 is not set

# CONFIG_CPU_SUBTYPE_SH7750R is not set
@@ -135,7 +128,6 @@ CONFIG_CPU_SHX3=y 
# CONFIG_CPU_SUBTYPE_SH7780 is not set

# CONFIG_CPU_SUBTYPE_SH7785 is not set

CONFIG_CPU_SUBTYPE_SHX3=y

# CONFIG_CPU_SUBTYPE_SH73180 is not set

# CONFIG_CPU_SUBTYPE_SH7343 is not set

# CONFIG_CPU_SUBTYPE_SH7722 is not set
@@ -148,12 +140,15 @@ CONFIG_PAGE_OFFSET=0x80000000 
CONFIG_MEMORY_START=0x0c000000

CONFIG_MEMORY_SIZE=0x04000000

CONFIG_VSYSCALL=y

# CONFIG_NUMA is not set

CONFIG_ARCH_FLATMEM_ENABLE=y

CONFIG_ARCH_SPARSEMEM_ENABLE=y

CONFIG_ARCH_SPARSEMEM_DEFAULT=y

CONFIG_MAX_ACTIVE_REGIONS=1

CONFIG_MAX_ACTIVE_REGIONS=6

CONFIG_ARCH_POPULATES_NODE_MAP=y

CONFIG_ARCH_SELECT_MEMORY_MODEL=y

CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y

CONFIG_ARCH_MEMORY_PROBE=y

CONFIG_PAGE_SIZE_4KB=y

# CONFIG_PAGE_SIZE_8KB is not set

# CONFIG_PAGE_SIZE_64KB is not set
@@ -163,12 +158,14 @@ CONFIG_HUGETLB_PAGE_SIZE_64K=y 
# CONFIG_HUGETLB_PAGE_SIZE_4MB is not set

# CONFIG_HUGETLB_PAGE_SIZE_64MB is not set

CONFIG_SELECT_MEMORY_MODEL=y

CONFIG_FLATMEM_MANUAL=y

# CONFIG_FLATMEM_MANUAL is not set

# CONFIG_DISCONTIGMEM_MANUAL is not set

# CONFIG_SPARSEMEM_MANUAL is not set

CONFIG_FLATMEM=y

CONFIG_FLAT_NODE_MEM_MAP=y

CONFIG_SPARSEMEM_MANUAL=y

CONFIG_SPARSEMEM=y

CONFIG_HAVE_MEMORY_PRESENT=y

CONFIG_SPARSEMEM_STATIC=y

CONFIG_MEMORY_HOTPLUG=y

CONFIG_MEMORY_HOTPLUG_SPARSE=y

CONFIG_SPLIT_PTLOCK_CPUS=4

# CONFIG_RESOURCES_64BIT is not set

CONFIG_ZONE_DMA_FLAG=0
@@ -178,24 +175,25 @@ CONFIG_NR_QUICK=2 
# Cache configuration

#

# CONFIG_SH_DIRECT_MAPPED is not set

# CONFIG_SH_WRITETHROUGH is not set

# CONFIG_CACHE_WRITEBACK is not set

# CONFIG_CACHE_WRITETHROUGH is not set

CONFIG_CACHE_OFF=y



#

# Processor features

#

CONFIG_CPU_LITTLE_ENDIAN=y

# CONFIG_CPU_BIG_ENDIAN is not set

# CONFIG_SH_FPU is not set

# CONFIG_SH_FPU_EMU is not set

CONFIG_SH_DSP=y

CONFIG_SH_FPU=y

CONFIG_SH_STORE_QUEUES=y

CONFIG_CPU_HAS_INTEVT=y

CONFIG_CPU_HAS_INTC2_IRQ=y

CONFIG_CPU_HAS_SR_RB=y

CONFIG_CPU_HAS_FPU=y



#

# Board support

#

CONFIG_SH_X3PROTO=y



#

# Timer and clock configuration
@@ -204,13 +202,25 @@ CONFIG_SH_TMU=y 
CONFIG_SH_TIMER_IRQ=16

CONFIG_SH_PCLK_FREQ=50000000

CONFIG_TICK_ONESHOT=y

CONFIG_NO_HZ=y

# CONFIG_NO_HZ is not set

CONFIG_HIGH_RES_TIMERS=y



#

# CPU Frequency scaling

#

# CONFIG_CPU_FREQ is not set

CONFIG_CPU_FREQ=y

CONFIG_CPU_FREQ_TABLE=y

# CONFIG_CPU_FREQ_DEBUG is not set

CONFIG_CPU_FREQ_STAT=y

# CONFIG_CPU_FREQ_STAT_DETAILS is not set

CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y

# CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE is not set

CONFIG_CPU_FREQ_GOV_PERFORMANCE=y

CONFIG_CPU_FREQ_GOV_POWERSAVE=m

CONFIG_CPU_FREQ_GOV_USERSPACE=m

CONFIG_CPU_FREQ_GOV_ONDEMAND=m

CONFIG_CPU_FREQ_GOV_CONSERVATIVE=m

CONFIG_SH_CPU_FREQ=y



#

# DMA support
@@ -237,6 +247,7 @@ CONFIG_HZ_250=y 
CONFIG_HZ=250

CONFIG_KEXEC=y

# CONFIG_CRASH_DUMP is not set

# CONFIG_SMP is not set

# CONFIG_PREEMPT_NONE is not set

# CONFIG_PREEMPT_VOLUNTARY is not set

CONFIG_PREEMPT=y
@@ -249,7 +260,7 @@ CONFIG_ZERO_PAGE_OFFSET=0x00001000 
CONFIG_BOOT_LINK_OFFSET=0x00800000

# CONFIG_UBC_WAKEUP is not set

CONFIG_CMDLINE_BOOL=y

CONFIG_CMDLINE="console=ttySC0,115200 ip=192.168.1.2:::255.255.255.0 root=/dev/nfs nfsroot=192.168.1.1:/exports/devel/rfs/mobiler noaliencache earlyprintk=bios ignore_loglevel"

CONFIG_CMDLINE="console=ttySC0,115200 earlyprintk=bios ignore_loglevel"



#

# Bus options
@@ -265,12 +276,106 @@ CONFIG_CMDLINE="console=ttySC0,115200 ip=192.168.1.2:::255.255.255.0 root=/dev/n 
# Executable file formats

#

CONFIG_BINFMT_ELF=y

# CONFIG_BINFMT_MISC is not set

CONFIG_BINFMT_MISC=y



#

# Networking

#

# CONFIG_NET is not set

CONFIG_NET=y



#

# Networking options

#

# CONFIG_PACKET is not set

# CONFIG_UNIX is not set

CONFIG_XFRM=y

# CONFIG_XFRM_USER is not set

# CONFIG_XFRM_SUB_POLICY is not set

# CONFIG_XFRM_MIGRATE is not set

# CONFIG_NET_KEY is not set

CONFIG_INET=y

# CONFIG_IP_MULTICAST is not set

# 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 is not set

# CONFIG_IP_PNP_RARP is not set

# CONFIG_NET_IPIP is not set

# CONFIG_NET_IPGRE is not set

# CONFIG_ARPD is not set

# 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_XFRM_TUNNEL is not set

CONFIG_INET_TUNNEL=m

CONFIG_INET_XFRM_MODE_TRANSPORT=y

CONFIG_INET_XFRM_MODE_TUNNEL=y

CONFIG_INET_XFRM_MODE_BEET=y

CONFIG_INET_DIAG=y

CONFIG_INET_TCP_DIAG=y

# CONFIG_TCP_CONG_ADVANCED is not set

CONFIG_TCP_CONG_CUBIC=y

CONFIG_DEFAULT_TCP_CONG="cubic"

# CONFIG_TCP_MD5SIG is not set

CONFIG_IPV6=m

# CONFIG_IPV6_PRIVACY is not set

# CONFIG_IPV6_ROUTER_PREF is not set

# CONFIG_IPV6_OPTIMISTIC_DAD is not set

# CONFIG_INET6_AH is not set

# CONFIG_INET6_ESP is not set

# CONFIG_INET6_IPCOMP is not set

# CONFIG_IPV6_MIP6 is not set

# CONFIG_INET6_XFRM_TUNNEL is not set

# CONFIG_INET6_TUNNEL is not set

CONFIG_INET6_XFRM_MODE_TRANSPORT=m

CONFIG_INET6_XFRM_MODE_TUNNEL=m

CONFIG_INET6_XFRM_MODE_BEET=m

# CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION is not set

CONFIG_IPV6_SIT=m

# CONFIG_IPV6_TUNNEL is not set

# CONFIG_IPV6_MULTIPLE_TABLES is not set

# CONFIG_NETWORK_SECMARK is not set

# CONFIG_NETFILTER is not set

# CONFIG_IP_DCCP is not set

# CONFIG_IP_SCTP is not set

# 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_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_AF_RXRPC is not set



#

# Wireless

#

# CONFIG_CFG80211 is not set

# CONFIG_WIRELESS_EXT is not set

# CONFIG_MAC80211 is not set

# CONFIG_IEEE80211 is not set

# CONFIG_RFKILL is not set

# CONFIG_NET_9P is not set



#

# Device Drivers
@@ -285,37 +390,21 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y 
# CONFIG_DEBUG_DRIVER is not set

# CONFIG_DEBUG_DEVRES is not set

# CONFIG_SYS_HYPERVISOR is not set



#

# Connector - unified userspace <-> kernelspace linker

#

# CONFIG_CONNECTOR is not set

# CONFIG_MTD is not set



#

# Parallel port support

#

# CONFIG_PARPORT is not set



#

# Plug and Play support

#

# CONFIG_PNPACPI is not set



#

# Block devices

#

CONFIG_BLK_DEV=y

# 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_RAM=y

CONFIG_BLK_DEV_RAM_COUNT=16

CONFIG_BLK_DEV_RAM_SIZE=4096

CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024

# CONFIG_CDROM_PKTCDVD is not set



#

# Misc devices

#

# CONFIG_BLINK is not set

# CONFIG_ATA_OVER_ETH is not set

CONFIG_MISC_DEVICES=y

# CONFIG_EEPROM_93CX6 is not set

# CONFIG_IDE is not set



#
@@ -323,6 +412,7 @@ CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024 
#

# CONFIG_RAID_ATTRS is not set

CONFIG_SCSI=y

CONFIG_SCSI_DMA=y

# CONFIG_SCSI_TGT is not set

# CONFIG_SCSI_NETLINK is not set

CONFIG_SCSI_PROC_FS=y
@@ -351,73 +441,54 @@ CONFIG_SCSI_WAIT_SCAN=m 
#

# CONFIG_SCSI_SPI_ATTRS is not set

# CONFIG_SCSI_FC_ATTRS is not set

# CONFIG_SCSI_SAS_ATTRS is not set

# CONFIG_SCSI_ISCSI_ATTRS is not set

# CONFIG_SCSI_SAS_LIBSAS is not set



#

# SCSI low-level drivers

#

CONFIG_SCSI_LOWLEVEL=y

# CONFIG_ISCSI_TCP is not set

# CONFIG_SCSI_DEBUG is not set

CONFIG_ATA=y

# CONFIG_ATA_NONSTANDARD is not set

CONFIG_PATA_PLATFORM=y



#

# Multi-device support (RAID and LVM)

#

# CONFIG_MD is not set



#

# ISDN subsystem

#



#

# Telephony Support

#

CONFIG_NETDEVICES=y

# CONFIG_NETDEVICES_MULTIQUEUE is not set

# CONFIG_DUMMY is not set

# CONFIG_BONDING is not set

# CONFIG_MACVLAN is not set

# CONFIG_EQUALIZER is not set

# CONFIG_TUN is not set

# CONFIG_PHYLIB is not set

CONFIG_NET_ETHERNET=y

CONFIG_MII=y

# CONFIG_STNIC is not set

CONFIG_SMC91X=y

# CONFIG_NETDEV_1000 is not set

# CONFIG_NETDEV_10000 is not set



#

# Wireless LAN

#

# CONFIG_WLAN_PRE80211 is not set

# CONFIG_WLAN_80211 is not set

# 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

# CONFIG_ISDN is not set

# CONFIG_PHONE is not set



#

# Input device support

#

CONFIG_INPUT=y

# CONFIG_INPUT_FF_MEMLESS is not set



#

# Userland interfaces

#

CONFIG_INPUT_MOUSEDEV=y

# CONFIG_INPUT_MOUSEDEV_PSAUX is not set

CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024

CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768

# 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=y

CONFIG_KEYBOARD_ATKBD=y

# CONFIG_KEYBOARD_SUNKBD is not set

# CONFIG_KEYBOARD_LKKBD is not set

# CONFIG_KEYBOARD_XTKBD is not set

# CONFIG_KEYBOARD_NEWTON is not set

# CONFIG_KEYBOARD_STOWAWAY is not set

# CONFIG_INPUT_MOUSE is not set

# CONFIG_INPUT_JOYSTICK is not set

# CONFIG_INPUT_TABLET is not set

# CONFIG_INPUT_TOUCHSCREEN is not set

# CONFIG_INPUT_MISC is not set

# CONFIG_INPUT is not set



#

# Hardware I/O ports

#

CONFIG_SERIO=y

# CONFIG_SERIO_I8042 is not set

# CONFIG_SERIO_SERPORT is not set

CONFIG_SERIO_LIBPS2=y

# CONFIG_SERIO_RAW is not set

# CONFIG_SERIO is not set

# CONFIG_GAMEPORT is not set



#
@@ -442,19 +513,18 @@ CONFIG_SERIAL_CORE_CONSOLE=y 
CONFIG_UNIX98_PTYS=y

CONFIG_LEGACY_PTYS=y

CONFIG_LEGACY_PTY_COUNT=256

# CONFIG_IPMI_HANDLER is not set

CONFIG_WATCHDOG=y

# CONFIG_WATCHDOG_NOWAYOUT is not set



#

# IPMI

# Watchdog Device Drivers

#

# CONFIG_IPMI_HANDLER is not set

# CONFIG_WATCHDOG is not set

CONFIG_HW_RANDOM=y

# CONFIG_SOFT_WATCHDOG is not set

# CONFIG_SH_WDT is not set

# CONFIG_HW_RANDOM is not set

# CONFIG_R3964 is not set

# CONFIG_RAW_DRIVER is not set



#

# TPM devices

#

# CONFIG_TCG_TPM is not set

# CONFIG_I2C is not set
@@ -463,11 +533,8 @@ CONFIG_HW_RANDOM=y 
#

# CONFIG_SPI is not set

# CONFIG_SPI_MASTER is not set



#

# Dallas's 1-wire bus

#

# CONFIG_W1 is not set

# CONFIG_POWER_SUPPLY is not set

# CONFIG_HWMON is not set



#
@@ -479,6 +546,7 @@ CONFIG_HW_RANDOM=y 
# Multimedia devices

#

# CONFIG_VIDEO_DEV is not set

# CONFIG_DVB_CORE is not set

# CONFIG_DAB is not set



#
@@ -491,24 +559,18 @@ CONFIG_HW_RANDOM=y 
#

# CONFIG_DISPLAY_SUPPORT is not set

# CONFIG_VGASTATE is not set

CONFIG_VIDEO_OUTPUT_CONTROL=m

# CONFIG_FB is not set



#

# Sound

#

# CONFIG_SOUND is not set



#

# HID Devices

#

# CONFIG_HID is not set



#

# USB support

#

# CONFIG_USB_ARCH_HAS_HCD is not set

CONFIG_USB_SUPPORT=y

CONFIG_USB_ARCH_HAS_HCD=y

# CONFIG_USB_ARCH_HAS_OHCI is not set

# CONFIG_USB_ARCH_HAS_EHCI is not set

# CONFIG_USB is not set



#

# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
@@ -517,68 +579,32 @@ CONFIG_HW_RANDOM=y 
#

# USB Gadget Support

#

# CONFIG_USB_GADGET is not set

CONFIG_USB_GADGET=y

# CONFIG_USB_GADGET_DEBUG is not set

# CONFIG_USB_GADGET_DEBUG_FILES is not set

CONFIG_USB_GADGET_SELECTED=y

# CONFIG_USB_GADGET_AMD5536UDC is not set

# CONFIG_USB_GADGET_FSL_USB2 is not set

# CONFIG_USB_GADGET_NET2280 is not set

# CONFIG_USB_GADGET_PXA2XX is not set

CONFIG_USB_GADGET_M66592=y

CONFIG_USB_M66592=y

# CONFIG_USB_GADGET_GOKU is not set

# CONFIG_USB_GADGET_LH7A40X is not set

# CONFIG_USB_GADGET_OMAP is not set

# CONFIG_USB_GADGET_S3C2410 is not set

# CONFIG_USB_GADGET_AT91 is not set

# CONFIG_USB_GADGET_DUMMY_HCD is not set

CONFIG_USB_GADGET_DUALSPEED=y

# CONFIG_USB_ZERO is not set

# CONFIG_USB_ETH is not set

# CONFIG_USB_GADGETFS is not set

# CONFIG_USB_FILE_STORAGE is not set

# CONFIG_USB_G_SERIAL is not set

# CONFIG_USB_MIDI_GADGET is not set

# CONFIG_MMC is not set



#

# LED devices

#

# CONFIG_NEW_LEDS is not set



#

# LED drivers

#



#

# LED Triggers

#



#

# InfiniBand support

#



#

# EDAC - error detection and reporting (RAS) (EXPERIMENTAL)

#



#

# Real Time Clock

#

CONFIG_RTC_LIB=y

CONFIG_RTC_CLASS=y

CONFIG_RTC_HCTOSYS=y

CONFIG_RTC_HCTOSYS_DEVICE="rtc0"

# CONFIG_RTC_DEBUG is not set



#

# RTC interfaces

#

CONFIG_RTC_INTF_SYSFS=y

CONFIG_RTC_INTF_PROC=y

CONFIG_RTC_INTF_DEV=y

# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set

# CONFIG_RTC_DRV_TEST is not set



#

# I2C RTC drivers

#



#

# SPI RTC drivers

#



#

# Platform RTC drivers

#

# CONFIG_RTC_DRV_DS1553 is not set

# CONFIG_RTC_DRV_DS1742 is not set

# CONFIG_RTC_DRV_M48T86 is not set

# CONFIG_RTC_DRV_V3020 is not set



#

# on-CPU RTC drivers

#

CONFIG_RTC_DRV_SH=y

# CONFIG_RTC_CLASS is not set



#

# DMA Engine support
@@ -593,6 +619,11 @@ CONFIG_RTC_DRV_SH=y 
# DMA Devices

#



#

# Userspace I/O

#

CONFIG_UIO=m



#

# File systems

#
@@ -612,6 +643,7 @@ CONFIG_FS_MBCACHE=y 
# CONFIG_FS_POSIX_ACL is not set

# CONFIG_XFS_FS is not set

# CONFIG_GFS2_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
@@ -666,6 +698,17 @@ CONFIG_RAMFS=y 
# CONFIG_SYSV_FS is not set

# CONFIG_UFS_FS is not set



#

# Network File Systems

#

# CONFIG_NFS_FS is not set

# CONFIG_NFSD 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



#

# Partition Types

#
@@ -677,6 +720,11 @@ CONFIG_MSDOS_PARTITION=y 
#

# CONFIG_NLS is not set



#

# Distributed Lock Manager

#

# CONFIG_DLM is not set



#

# Profiling support

#
@@ -687,31 +735,28 @@ CONFIG_PROFILING=y 
# Kernel hacking

#

CONFIG_TRACE_IRQFLAGS_SUPPORT=y

CONFIG_PRINTK_TIME=y

# CONFIG_PRINTK_TIME is not set

# CONFIG_ENABLE_MUST_CHECK is not set

CONFIG_MAGIC_SYSRQ=y

# CONFIG_UNUSED_SYMBOLS is not set

CONFIG_DEBUG_FS=y

# CONFIG_HEADERS_CHECK is not set

CONFIG_DEBUG_KERNEL=y

# CONFIG_DEBUG_SHIRQ is not set

CONFIG_DEBUG_SHIRQ=y

CONFIG_DETECT_SOFTLOCKUP=y

CONFIG_SCHED_DEBUG=y

# CONFIG_SCHEDSTATS is not set

# CONFIG_TIMER_STATS is not set

CONFIG_DEBUG_SLAB=y

CONFIG_DEBUG_SLAB_LEAK=y

CONFIG_DEBUG_PREEMPT=y

# CONFIG_DEBUG_RT_MUTEXES is not set

# CONFIG_RT_MUTEX_TESTER is not set

CONFIG_DEBUG_SPINLOCK=y

CONFIG_DEBUG_MUTEXES=y

CONFIG_DEBUG_LOCK_ALLOC=y

# CONFIG_DEBUG_SPINLOCK is not set

# CONFIG_DEBUG_MUTEXES is not set

# CONFIG_DEBUG_LOCK_ALLOC is not set

# CONFIG_PROVE_LOCKING is not set

CONFIG_LOCKDEP=y

CONFIG_DEBUG_LOCKDEP=y

# CONFIG_LOCK_STAT is not set

# CONFIG_DEBUG_SPINLOCK_SLEEP is not set

# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set

CONFIG_STACKTRACE=y

# CONFIG_DEBUG_KOBJECT is not set

CONFIG_DEBUG_BUGVERBOSE=y

# CONFIG_DEBUG_INFO is not set
@@ -735,10 +780,6 @@ CONFIG_DEBUG_STACK_USAGE=y 
#

# CONFIG_KEYS is not set

# CONFIG_SECURITY is not set



#

# Cryptographic options

#

# CONFIG_CRYPTO is not set



#
@@ -749,6 +790,7 @@ CONFIG_BITREVERSE=y 
# CONFIG_CRC16 is not set

# CONFIG_CRC_ITU_T is not set

CONFIG_CRC32=y

# CONFIG_CRC7 is not set

# CONFIG_LIBCRC32C is not set

CONFIG_PLIST=y

CONFIG_HAS_IOMEM=y

arch/sh/kernel/cpu/sh4a/Makefile

+5 −1
Original line number Diff line number Diff line
@@ -10,6 +10,9 @@ obj-$(CONFIG_CPU_SUBTYPE_SH7343) += setup-sh7343.o 
obj-$(CONFIG_CPU_SUBTYPE_SH7722)	+= setup-sh7722.o

obj-$(CONFIG_CPU_SUBTYPE_SHX3)		+= setup-shx3.o



# SMP setup

smp-$(CONFIG_CPU_SUBTYPE_SHX3)		:= smp-shx3.o



# Primary on-chip clocks (common)

clock-$(CONFIG_CPU_SUBTYPE_SH7770)	:= clock-sh7770.o

clock-$(CONFIG_CPU_SUBTYPE_SH7780)	:= clock-sh7780.o
@@ -19,3 +22,4 @@ clock-$(CONFIG_CPU_SUBTYPE_SH7722) := clock-sh7722.o 
clock-$(CONFIG_CPU_SUBTYPE_SHX3)	:= clock-shx3.o



obj-y			+= $(clock-y)

obj-$(CONFIG_SMP)	+= $(smp-y)

arch/sh/kernel/cpu/sh4a/smp-shx3.c

0 → 100644
+120 −0
Original line number Diff line number Diff line 
/*

 * SH-X3 SMP

 *

 *  Copyright (C) 2007  Paul Mundt

 *  Copyright (C) 2007  Magnus Damm

 *

 * 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/cpumask.h>

#include <linux/smp.h>

#include <linux/interrupt.h>

#include <linux/io.h>



void __init plat_smp_setup(void)

{

	unsigned int cpu = 0;

	int i, num;



	cpus_clear(cpu_possible_map);

	cpu_set(cpu, cpu_possible_map);



	__cpu_number_map[0] = 0;

	__cpu_logical_map[0] = 0;



	/*

	 * Do this stupidly for now.. we don't have an easy way to probe

	 * for the total number of cores.

	 */

	for (i = 1, num = 0; i < NR_CPUS; i++) {

		cpu_set(i, cpu_possible_map);

		__cpu_number_map[i] = ++num;

		__cpu_logical_map[num] = i;

	}



        printk(KERN_INFO "Detected %i available secondary CPU(s)\n", num);

}



void __init plat_prepare_cpus(unsigned int max_cpus)

{

}



#define STBCR_REG(phys_id) (0xfe400004 | (phys_id << 12))

#define RESET_REG(phys_id) (0xfe400008 | (phys_id << 12))



#define STBCR_MSTP	0x00000001

#define STBCR_RESET	0x00000002

#define STBCR_LTSLP	0x80000000



#define STBCR_AP_VAL	(STBCR_RESET | STBCR_LTSLP)



void plat_start_cpu(unsigned int cpu, unsigned long entry_point)

{

	ctrl_outl(entry_point, RESET_REG(cpu));



	if (!(ctrl_inl(STBCR_REG(cpu)) & STBCR_MSTP))

		ctrl_outl(STBCR_MSTP, STBCR_REG(cpu));



	while (!(ctrl_inl(STBCR_REG(cpu)) & STBCR_MSTP))

		;



	/* Start up secondary processor by sending a reset */

	ctrl_outl(STBCR_AP_VAL, STBCR_REG(cpu));

}



int plat_smp_processor_id(void)

{

	return ctrl_inl(0xff000048); /* CPIDR */

}



void plat_send_ipi(unsigned int cpu, unsigned int message)

{

	unsigned long addr = 0xfe410070 + (cpu * 4);



	BUG_ON(cpu >= 4);

	BUG_ON(message >= SMP_MSG_NR);



	ctrl_outl(1 << (message << 2), addr); /* C0INTICI..CnINTICI */

}



struct ipi_data {

	void (*handler)(void *);

	void *arg;

	unsigned int message;

};



static irqreturn_t ipi_interrupt_handler(int irq, void *arg)

{

	struct ipi_data *id = arg;

	unsigned int cpu = hard_smp_processor_id();

	unsigned int offs = 4 * cpu;

	unsigned int x;



	x = ctrl_inl(0xfe410070 + offs); /* C0INITICI..CnINTICI */

	x &= (1 << (id->message << 2));

	ctrl_outl(x, 0xfe410080 + offs); /* C0INTICICLR..CnINTICICLR */



	id->handler(id->arg);



	return IRQ_HANDLED;

}



static struct ipi_data ipi_handlers[SMP_MSG_NR];



int plat_register_ipi_handler(unsigned int message,

			      void (*handler)(void *), void *arg)

{

	struct ipi_data *id = &ipi_handlers[message];



	BUG_ON(SMP_MSG_NR >= 8);

	BUG_ON(message >= SMP_MSG_NR);



	id->handler = handler;

	id->arg = arg;

	id->message = message;



	return request_irq(104 + message, ipi_interrupt_handler, 0, "IPI", id);

}

arch/sh/mm/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -190,6 +190,7 @@ config CPU_SUBTYPE_SHX3 
	select CPU_SHX3

	select ARCH_SPARSEMEM_ENABLE

	select SYS_SUPPORTS_NUMA

	select SYS_SUPPORTS_SMP



# SH4AL-DSP Processor Support