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Commit b7c11ec9 authored by Russell King's avatar Russell King Committed by Russell King
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Merge branch 'u300' into devel 

Conflicts:
	arch/arm/Makefile
Updates:
	arch/arm/mach-u300/core.c
	arch/arm/mach-u300/timer.c
parents 06099961 7666c17e
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arch/arm/Kconfig
View file @ b7c11ec9
......@@ -598,6 +598,20 @@ config ARCH_LH7A40X
core with a wide array of integrated devices for
hand-held and low-power applications.
config ARCH_U300
bool "ST-Ericsson U300 Series"
depends on MMU
select CPU_ARM926T
select ARM_AMBA
select ARM_VIC
select GENERIC_TIME
select GENERIC_CLOCKEVENTS
select HAVE_CLK
select COMMON_CLKDEV
select GENERIC_GPIO
help
Support for ST-Ericsson U300 series mobile platforms.
config ARCH_DAVINCI
bool "TI DaVinci"
select CPU_ARM926T
......@@ -712,6 +726,8 @@ source "arch/arm/mach-ks8695/Kconfig"
source "arch/arm/mach-msm/Kconfig"
source "arch/arm/mach-u300/Kconfig"
source "arch/arm/mach-w90x900/Kconfig"
# Definitions to make life easier
......
arch/arm/Makefile
View file @ b7c11ec9
......@@ -154,6 +154,7 @@ machine-$(CONFIG_ARCH_SA1100) := sa1100
machine-$(CONFIG_ARCH_SHARK) := shark
machine-$(CONFIG_ARCH_STMP378X) := stmp378x
machine-$(CONFIG_ARCH_STMP37XX) := stmp37xx
machine-$(CONFIG_ARCH_U300) := u300
machine-$(CONFIG_ARCH_VERSATILE) := versatile
machine-$(CONFIG_ARCH_W90X900) := w90x900
machine-$(CONFIG_FOOTBRIDGE) := footbridge
......
arch/arm/configs/u300_defconfig 0 → 100644
View file @ b7c11ec9
#
# Automatically generated make config: don't edit
# Linux kernel version: 2.6.30-rc6
# Mon Jun 1 09:18:22 2009
#
CONFIG_ARM=y
CONFIG_SYS_SUPPORTS_APM_EMULATION=y
CONFIG_GENERIC_GPIO=y
CONFIG_GENERIC_TIME=y
CONFIG_GENERIC_CLOCKEVENTS=y
CONFIG_MMU=y
# CONFIG_NO_IOPORT is not set
CONFIG_GENERIC_HARDIRQS=y
CONFIG_STACKTRACE_SUPPORT=y
CONFIG_HAVE_LATENCYTOP_SUPPORT=y
CONFIG_LOCKDEP_SUPPORT=y
CONFIG_TRACE_IRQFLAGS_SUPPORT=y
CONFIG_HARDIRQS_SW_RESEND=y
CONFIG_GENERIC_IRQ_PROBE=y
CONFIG_RWSEM_GENERIC_SPINLOCK=y
# CONFIG_ARCH_HAS_ILOG2_U32 is not set
# CONFIG_ARCH_HAS_ILOG2_U64 is not set
CONFIG_GENERIC_HWEIGHT=y
CONFIG_GENERIC_CALIBRATE_DELAY=y
CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
CONFIG_VECTORS_BASE=0xffff0000
CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
#
# General setup
#
CONFIG_EXPERIMENTAL=y
CONFIG_BROKEN_ON_SMP=y
CONFIG_LOCK_KERNEL=y
CONFIG_INIT_ENV_ARG_LIMIT=32
CONFIG_LOCALVERSION=""
# CONFIG_LOCALVERSION_AUTO is not set
# CONFIG_SWAP is not set
CONFIG_SYSVIPC=y
CONFIG_SYSVIPC_SYSCTL=y
# CONFIG_POSIX_MQUEUE is not set
# CONFIG_BSD_PROCESS_ACCT is not set
# CONFIG_TASKSTATS is not set
# CONFIG_AUDIT is not set
#
# RCU Subsystem
#
CONFIG_CLASSIC_RCU=y
# CONFIG_TREE_RCU is not set
# CONFIG_PREEMPT_RCU is not set
# CONFIG_TREE_RCU_TRACE is not set
# CONFIG_PREEMPT_RCU_TRACE is not set
# CONFIG_IKCONFIG is not set
CONFIG_LOG_BUF_SHIFT=14
# CONFIG_GROUP_SCHED is not set
# CONFIG_CGROUPS is not set
# CONFIG_SYSFS_DEPRECATED_V2 is not set
# CONFIG_RELAY is not set
# CONFIG_NAMESPACES is not set
# CONFIG_BLK_DEV_INITRD is not set
CONFIG_CC_OPTIMIZE_FOR_SIZE=y
CONFIG_SYSCTL=y
CONFIG_ANON_INODES=y
CONFIG_EMBEDDED=y
CONFIG_UID16=y
CONFIG_SYSCTL_SYSCALL=y
CONFIG_KALLSYMS=y
# CONFIG_KALLSYMS_ALL is not set
# CONFIG_KALLSYMS_EXTRA_PASS is not set
# CONFIG_STRIP_ASM_SYMS 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_SIGNALFD=y
CONFIG_TIMERFD=y
CONFIG_EVENTFD=y
CONFIG_SHMEM=y
# CONFIG_AIO is not set
# CONFIG_VM_EVENT_COUNTERS is not set
CONFIG_SLUB_DEBUG=y
CONFIG_COMPAT_BRK=y
# CONFIG_SLAB is not set
CONFIG_SLUB=y
# CONFIG_SLOB is not set
# CONFIG_PROFILING is not set
# CONFIG_MARKERS is not set
CONFIG_HAVE_OPROFILE=y
# CONFIG_KPROBES is not set
CONFIG_HAVE_KPROBES=y
CONFIG_HAVE_KRETPROBES=y
CONFIG_HAVE_CLK=y
# CONFIG_SLOW_WORK is not set
CONFIG_HAVE_GENERIC_DMA_COHERENT=y
CONFIG_SLABINFO=y
CONFIG_RT_MUTEXES=y
CONFIG_BASE_SMALL=0
CONFIG_MODULES=y
# CONFIG_MODULE_FORCE_LOAD is not set
CONFIG_MODULE_UNLOAD=y
# CONFIG_MODULE_FORCE_UNLOAD is not set
# CONFIG_MODVERSIONS is not set
# CONFIG_MODULE_SRCVERSION_ALL is not set
CONFIG_BLOCK=y
# CONFIG_LBD is not set
# CONFIG_BLK_DEV_BSG is not set
# CONFIG_BLK_DEV_INTEGRITY is not set
#
# IO Schedulers
#
CONFIG_IOSCHED_NOOP=y
# CONFIG_IOSCHED_AS is not set
CONFIG_IOSCHED_DEADLINE=y
# CONFIG_IOSCHED_CFQ is not set
# CONFIG_DEFAULT_AS is not set
CONFIG_DEFAULT_DEADLINE=y
# CONFIG_DEFAULT_CFQ is not set
# CONFIG_DEFAULT_NOOP is not set
CONFIG_DEFAULT_IOSCHED="deadline"
# CONFIG_FREEZER is not set
#
# System Type
#
# CONFIG_ARCH_AAEC2000 is not set
# CONFIG_ARCH_INTEGRATOR is not set
# CONFIG_ARCH_REALVIEW is not set
# CONFIG_ARCH_VERSATILE is not set
# CONFIG_ARCH_AT91 is not set
# CONFIG_ARCH_CLPS711X is not set
# CONFIG_ARCH_GEMINI is not set
# CONFIG_ARCH_EBSA110 is not set
# CONFIG_ARCH_EP93XX is not set
# CONFIG_ARCH_FOOTBRIDGE is not set
# CONFIG_ARCH_MXC is not set
# CONFIG_ARCH_NETX is not set
# CONFIG_ARCH_H720X is not set
# CONFIG_ARCH_IMX is not set
# CONFIG_ARCH_IOP13XX is not set
# CONFIG_ARCH_IOP32X is not set
# CONFIG_ARCH_IOP33X is not set
# CONFIG_ARCH_IXP23XX is not set
# CONFIG_ARCH_IXP2000 is not set
# CONFIG_ARCH_IXP4XX is not set
# CONFIG_ARCH_L7200 is not set
# CONFIG_ARCH_KIRKWOOD is not set
# CONFIG_ARCH_LOKI is not set
# CONFIG_ARCH_MV78XX0 is not set
# CONFIG_ARCH_ORION5X is not set
# CONFIG_ARCH_MMP is not set
# CONFIG_ARCH_KS8695 is not set
# CONFIG_ARCH_NS9XXX is not set
# CONFIG_ARCH_W90X900 is not set
# CONFIG_ARCH_PNX4008 is not set
# CONFIG_ARCH_PXA is not set
# CONFIG_ARCH_MSM is not set
# CONFIG_ARCH_RPC is not set
# CONFIG_ARCH_SA1100 is not set
# CONFIG_ARCH_S3C2410 is not set
# CONFIG_ARCH_S3C64XX is not set
# CONFIG_ARCH_SHARK is not set
# CONFIG_ARCH_LH7A40X is not set
CONFIG_ARCH_U300=y
# CONFIG_ARCH_DAVINCI is not set
# CONFIG_ARCH_OMAP is not set
#
# ST-Ericsson AB U300/U330/U335/U365 Platform
#
#
# ST-Ericsson Mobile Platform Products
#
CONFIG_MACH_U300=y
#
# ST-Ericsson U300/U330/U335/U365 Feature Selections
#
# CONFIG_MACH_U300_BS2X is not set
# CONFIG_MACH_U300_BS330 is not set
CONFIG_MACH_U300_BS335=y
# CONFIG_MACH_U300_BS365 is not set
# CONFIG_MACH_U300_SINGLE_RAM is not set
CONFIG_MACH_U300_DUAL_RAM=y
CONFIG_U300_DEBUG=y
# CONFIG_MACH_U300_SEMI_IS_SHARED is not set
#
# All the settings below must match the bootloader's settings
#
#
# Processor Type
#
CONFIG_CPU_32=y
CONFIG_CPU_ARM926T=y
CONFIG_CPU_32v5=y
CONFIG_CPU_ABRT_EV5TJ=y
CONFIG_CPU_PABRT_NOIFAR=y
CONFIG_CPU_CACHE_VIVT=y
CONFIG_CPU_COPY_V4WB=y
CONFIG_CPU_TLB_V4WBI=y
CONFIG_CPU_CP15=y
CONFIG_CPU_CP15_MMU=y
#
# Processor Features
#
CONFIG_ARM_THUMB=y
# CONFIG_CPU_ICACHE_DISABLE is not set
# CONFIG_CPU_DCACHE_DISABLE is not set
# CONFIG_CPU_DCACHE_WRITETHROUGH is not set
# CONFIG_CPU_CACHE_ROUND_ROBIN is not set
# CONFIG_OUTER_CACHE is not set
CONFIG_ARM_VIC=y
CONFIG_COMMON_CLKDEV=y
#
# Bus support
#
CONFIG_ARM_AMBA=y
# CONFIG_PCI_SYSCALL is not set
# CONFIG_ARCH_SUPPORTS_MSI is not set
# CONFIG_PCCARD is not set
#
# Kernel Features
#
CONFIG_TICK_ONESHOT=y
CONFIG_NO_HZ=y
CONFIG_HIGH_RES_TIMERS=y
CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
CONFIG_VMSPLIT_3G=y
# CONFIG_VMSPLIT_2G is not set
# CONFIG_VMSPLIT_1G is not set
CONFIG_PAGE_OFFSET=0xC0000000
CONFIG_PREEMPT=y
CONFIG_HZ=100
CONFIG_AEABI=y
CONFIG_OABI_COMPAT=y
CONFIG_ARCH_FLATMEM_HAS_HOLES=y
# CONFIG_ARCH_SPARSEMEM_DEFAULT is not set
# CONFIG_ARCH_SELECT_MEMORY_MODEL is not set
# CONFIG_HIGHMEM is not set
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_PAGEFLAGS_EXTENDED=y
CONFIG_SPLIT_PTLOCK_CPUS=4096
# CONFIG_PHYS_ADDR_T_64BIT is not set
CONFIG_ZONE_DMA_FLAG=0
CONFIG_VIRT_TO_BUS=y
CONFIG_UNEVICTABLE_LRU=y
CONFIG_HAVE_MLOCK=y
CONFIG_HAVE_MLOCKED_PAGE_BIT=y
CONFIG_ALIGNMENT_TRAP=y
#
# Boot options
#
CONFIG_ZBOOT_ROM_TEXT=0x0
CONFIG_ZBOOT_ROM_BSS=0x0
CONFIG_CMDLINE="root=/dev/mtdblock2 rw rootfstype=yaffs2 console=ttyAMA0,115200n8 ab3100.force=0,0x48 mtdparts=u300nand:128k@0x0(bootrecords)ro,8064k@128k(free)ro,253952k@8192k(platform) lpj=515072"
# CONFIG_XIP_KERNEL is not set
# CONFIG_KEXEC is not set
#
# CPU Power Management
#
CONFIG_CPU_IDLE=y
CONFIG_CPU_IDLE_GOV_LADDER=y
CONFIG_CPU_IDLE_GOV_MENU=y
#
# Floating point emulation
#
#
# At least one emulation must be selected
#
CONFIG_FPE_NWFPE=y
# CONFIG_FPE_NWFPE_XP is not set
# CONFIG_FPE_FASTFPE is not set
# CONFIG_VFP is not set
#
# Userspace binary formats
#
CONFIG_BINFMT_ELF=y
# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
CONFIG_HAVE_AOUT=y
# CONFIG_BINFMT_AOUT is not set
# CONFIG_BINFMT_MISC is not set
#
# Power management options
#
CONFIG_PM=y
# CONFIG_PM_DEBUG is not set
# CONFIG_SUSPEND is not set
# CONFIG_APM_EMULATION is not set
CONFIG_ARCH_SUSPEND_POSSIBLE=y
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 is not set
# CONFIG_IP_ADVANCED_ROUTER is not set
CONFIG_IP_FIB_HASH=y
# CONFIG_IP_PNP 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 is not set
# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
# CONFIG_INET_XFRM_MODE_TUNNEL is not set
# CONFIG_INET_XFRM_MODE_BEET is not set
# CONFIG_INET_LRO is not set
# CONFIG_INET_DIAG is not set
# 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 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_NET_DSA 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
# CONFIG_PHONET is not set
# CONFIG_NET_SCHED is not set
# CONFIG_DCB is not set
#
# Network testing
#
# CONFIG_NET_PKTGEN is not set
# CONFIG_HAMRADIO is not set
# CONFIG_CAN is not set
# CONFIG_IRDA is not set
# CONFIG_BT is not set
# CONFIG_AF_RXRPC is not set
# CONFIG_WIRELESS is not set
# CONFIG_WIMAX is not set
# CONFIG_RFKILL is not set
# CONFIG_NET_9P is not set
#
# Device Drivers
#
#
# Generic Driver Options
#
CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_STANDALONE=y
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
CONFIG_FW_LOADER=y
CONFIG_FIRMWARE_IN_KERNEL=y
CONFIG_EXTRA_FIRMWARE=""
# CONFIG_DEBUG_DRIVER is not set
# CONFIG_DEBUG_DEVRES is not set
# CONFIG_SYS_HYPERVISOR is not set
# CONFIG_CONNECTOR is not set
CONFIG_MTD=y
# CONFIG_MTD_DEBUG is not set
# CONFIG_MTD_CONCAT is not set
CONFIG_MTD_PARTITIONS=y
# CONFIG_MTD_TESTS is not set
# CONFIG_MTD_REDBOOT_PARTS is not set
CONFIG_MTD_CMDLINE_PARTS=y
# CONFIG_MTD_AFS_PARTS is not set
# CONFIG_MTD_AR7_PARTS is not set
#
# User Modules And Translation Layers
#
CONFIG_MTD_CHAR=y
CONFIG_MTD_BLKDEVS=y
CONFIG_MTD_BLOCK=y
# CONFIG_FTL is not set
# CONFIG_NFTL is not set
# CONFIG_INFTL is not set
# CONFIG_RFD_FTL is not set
# CONFIG_SSFDC is not set
# CONFIG_MTD_OOPS is not set
#
# RAM/ROM/Flash chip drivers
#
# CONFIG_MTD_CFI is not set
# CONFIG_MTD_JEDECPROBE is not set
CONFIG_MTD_MAP_BANK_WIDTH_1=y
CONFIG_MTD_MAP_BANK_WIDTH_2=y
CONFIG_MTD_MAP_BANK_WIDTH_4=y
# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
CONFIG_MTD_CFI_I1=y
CONFIG_MTD_CFI_I2=y
# CONFIG_MTD_CFI_I4 is not set
# CONFIG_MTD_CFI_I8 is not set
# CONFIG_MTD_RAM is not set
# CONFIG_MTD_ROM is not set
# CONFIG_MTD_ABSENT is not set
#
# Mapping drivers for chip access
#
# CONFIG_MTD_COMPLEX_MAPPINGS is not set
# CONFIG_MTD_PLATRAM is not set
#
# Self-contained MTD device drivers
#
# CONFIG_MTD_DATAFLASH is not set
# CONFIG_MTD_M25P80 is not set
# CONFIG_MTD_SLRAM is not set
# CONFIG_MTD_PHRAM is not set
# CONFIG_MTD_MTDRAM is not set
# CONFIG_MTD_BLOCK2MTD is not set
#
# Disk-On-Chip Device Drivers
#
# CONFIG_MTD_DOC2000 is not set
# CONFIG_MTD_DOC2001 is not set
# CONFIG_MTD_DOC2001PLUS is not set
CONFIG_MTD_NAND=y
# CONFIG_MTD_NAND_VERIFY_WRITE is not set
CONFIG_MTD_NAND_ECC_SMC=y
# CONFIG_MTD_NAND_MUSEUM_IDS is not set
# CONFIG_MTD_NAND_GPIO is not set
CONFIG_MTD_NAND_IDS=y
# CONFIG_MTD_NAND_DISKONCHIP is not set
# CONFIG_MTD_NAND_NANDSIM is not set
# CONFIG_MTD_NAND_PLATFORM is not set
# CONFIG_MTD_ONENAND is not set
#
# LPDDR flash memory drivers
#
# CONFIG_MTD_LPDDR is not set
#
# UBI - Unsorted block images
#
# CONFIG_MTD_UBI is not set
# CONFIG_PARPORT is not set
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 is not set
# CONFIG_CDROM_PKTCDVD is not set
# CONFIG_ATA_OVER_ETH is not set
CONFIG_MISC_DEVICES=y
# CONFIG_ICS932S401 is not set
# CONFIG_ENCLOSURE_SERVICES is not set
# CONFIG_ISL29003 is not set
# CONFIG_C2PORT is not set
#
# EEPROM support
#
# CONFIG_EEPROM_AT24 is not set
# CONFIG_EEPROM_AT25 is not set
# CONFIG_EEPROM_LEGACY is not set
# CONFIG_EEPROM_93CX6 is not set
CONFIG_HAVE_IDE=y
# CONFIG_IDE is not set
#
# SCSI device support
#
# CONFIG_RAID_ATTRS is not set
# CONFIG_SCSI is not set
# CONFIG_SCSI_DMA is not set
# CONFIG_SCSI_NETLINK is not set
# CONFIG_ATA is not set
# CONFIG_MD is not set
# CONFIG_NETDEVICES is not set
# CONFIG_ISDN is not set
#
# Input device support
#
CONFIG_INPUT=y
# CONFIG_INPUT_FF_MEMLESS is not set
# CONFIG_INPUT_POLLDEV is not set
#
# Userland interfaces
#
# CONFIG_INPUT_MOUSEDEV is not set
# CONFIG_INPUT_JOYDEV is not set
CONFIG_INPUT_EVDEV=y
# CONFIG_INPUT_EVBUG is not set
#
# Input Device Drivers
#
CONFIG_INPUT_KEYBOARD=y
# CONFIG_KEYBOARD_ATKBD is not set
# 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_KEYBOARD_GPIO 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
#
# Hardware I/O ports
#
# CONFIG_SERIO is not set
# CONFIG_GAMEPORT is not set
#
# Character devices
#
CONFIG_VT=y
CONFIG_CONSOLE_TRANSLATIONS=y
CONFIG_VT_CONSOLE=y
CONFIG_HW_CONSOLE=y
# CONFIG_VT_HW_CONSOLE_BINDING is not set
CONFIG_DEVKMEM=y
# CONFIG_SERIAL_NONSTANDARD is not set
#
# Serial drivers
#
# CONFIG_SERIAL_8250 is not set
#
# Non-8250 serial port support
#
# CONFIG_SERIAL_AMBA_PL010 is not set
CONFIG_SERIAL_AMBA_PL011=y
CONFIG_SERIAL_AMBA_PL011_CONSOLE=y
# CONFIG_SERIAL_MAX3100 is not set
CONFIG_SERIAL_CORE=y
CONFIG_SERIAL_CORE_CONSOLE=y
CONFIG_UNIX98_PTYS=y
# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
CONFIG_LEGACY_PTYS=y
CONFIG_LEGACY_PTY_COUNT=16
# CONFIG_IPMI_HANDLER is not set
# CONFIG_HW_RANDOM is not set
# CONFIG_R3964 is not set
# CONFIG_RAW_DRIVER is not set
# CONFIG_TCG_TPM is not set
CONFIG_I2C=y
CONFIG_I2C_BOARDINFO=y
# CONFIG_I2C_CHARDEV is not set
CONFIG_I2C_HELPER_AUTO=y
#
# I2C Hardware Bus support
#
#
# I2C system bus drivers (mostly embedded / system-on-chip)
#
# CONFIG_I2C_GPIO is not set
# CONFIG_I2C_OCORES is not set
# CONFIG_I2C_SIMTEC is not set
#
# External I2C/SMBus adapter drivers
#
# CONFIG_I2C_PARPORT_LIGHT is not set
# CONFIG_I2C_TAOS_EVM is not set
#
# Other I2C/SMBus bus drivers
#
# CONFIG_I2C_PCA_PLATFORM is not set
# CONFIG_I2C_STUB is not set
#
# Miscellaneous I2C Chip support
#
# CONFIG_DS1682 is not set
# CONFIG_SENSORS_PCF8574 is not set
# CONFIG_PCF8575 is not set
# CONFIG_SENSORS_PCA9539 is not set
# CONFIG_SENSORS_MAX6875 is not set
# CONFIG_SENSORS_TSL2550 is not set
# CONFIG_I2C_DEBUG_CORE is not set
# CONFIG_I2C_DEBUG_ALGO is not set
# CONFIG_I2C_DEBUG_BUS is not set
# CONFIG_I2C_DEBUG_CHIP is not set
CONFIG_SPI=y
# CONFIG_SPI_DEBUG is not set
CONFIG_SPI_MASTER=y
#
# SPI Master Controller Drivers
#
# CONFIG_SPI_BITBANG is not set
# CONFIG_SPI_GPIO is not set
#
# SPI Protocol Masters
#
# CONFIG_SPI_SPIDEV is not set
# CONFIG_SPI_TLE62X0 is not set
# CONFIG_W1 is not set
CONFIG_POWER_SUPPLY=y
# CONFIG_POWER_SUPPLY_DEBUG is not set
# CONFIG_PDA_POWER is not set
# CONFIG_BATTERY_DS2760 is not set
# CONFIG_BATTERY_BQ27x00 is not set
# CONFIG_HWMON is not set
# CONFIG_THERMAL is not set
# CONFIG_THERMAL_HWMON is not set
CONFIG_WATCHDOG=y
# CONFIG_WATCHDOG_NOWAYOUT is not set
#
# Watchdog Device Drivers
#
# CONFIG_SOFT_WATCHDOG is not set
CONFIG_SSB_POSSIBLE=y
#
# Sonics Silicon Backplane
#
# CONFIG_SSB is not set
#
# Multifunction device drivers
#
# CONFIG_MFD_CORE is not set
# CONFIG_MFD_SM501 is not set
# CONFIG_HTC_PASIC3 is not set
# CONFIG_TWL4030_CORE is not set
# CONFIG_MFD_TMIO is not set
# CONFIG_MFD_T7L66XB is not set
# CONFIG_MFD_TC6387XB is not set
# CONFIG_PMIC_DA903X is not set
# CONFIG_MFD_WM8400 is not set
# CONFIG_MFD_WM8350_I2C is not set
# CONFIG_MFD_PCF50633 is not set
#
# Multimedia devices
#
#
# Multimedia core support
#
# CONFIG_VIDEO_DEV is not set
# CONFIG_DVB_CORE is not set
# CONFIG_VIDEO_MEDIA is not set
#
# Multimedia drivers
#
# CONFIG_DAB is not set
#
# Graphics support
#
# CONFIG_VGASTATE is not set
# CONFIG_VIDEO_OUTPUT_CONTROL is not set
CONFIG_FB=y
# CONFIG_FIRMWARE_EDID is not set
# CONFIG_FB_DDC is not set
# CONFIG_FB_BOOT_VESA_SUPPORT is not set
# CONFIG_FB_CFB_FILLRECT is not set
# CONFIG_FB_CFB_COPYAREA is not set
# CONFIG_FB_CFB_IMAGEBLIT is not set
# CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set
# CONFIG_FB_SYS_FILLRECT is not set
# CONFIG_FB_SYS_COPYAREA is not set
# CONFIG_FB_SYS_IMAGEBLIT is not set
# CONFIG_FB_FOREIGN_ENDIAN is not set
# CONFIG_FB_SYS_FOPS is not set
# CONFIG_FB_SVGALIB is not set
# CONFIG_FB_MACMODES is not set
# CONFIG_FB_BACKLIGHT is not set
# CONFIG_FB_MODE_HELPERS is not set
# CONFIG_FB_TILEBLITTING is not set
#
# Frame buffer hardware drivers
#
# CONFIG_FB_ARMCLCD is not set
# CONFIG_FB_S1D13XXX is not set
# CONFIG_FB_VIRTUAL is not set
# CONFIG_FB_METRONOME is not set
# CONFIG_FB_MB862XX is not set
# CONFIG_FB_BROADSHEET is not set
CONFIG_BACKLIGHT_LCD_SUPPORT=y
# CONFIG_LCD_CLASS_DEVICE is not set
CONFIG_BACKLIGHT_CLASS_DEVICE=y
CONFIG_BACKLIGHT_GENERIC=y
#
# Display device support
#
# CONFIG_DISPLAY_SUPPORT is not set
#
# Console display driver support
#
# CONFIG_VGA_CONSOLE is not set
CONFIG_DUMMY_CONSOLE=y
# CONFIG_FRAMEBUFFER_CONSOLE is not set
# CONFIG_LOGO is not set
CONFIG_SOUND=y
# CONFIG_SOUND_OSS_CORE is not set
CONFIG_SND=y
CONFIG_SND_TIMER=y
CONFIG_SND_PCM=y
CONFIG_SND_JACK=y
# CONFIG_SND_SEQUENCER is not set
# CONFIG_SND_MIXER_OSS is not set
# CONFIG_SND_PCM_OSS is not set
# CONFIG_SND_HRTIMER is not set
# CONFIG_SND_DYNAMIC_MINORS is not set
# CONFIG_SND_SUPPORT_OLD_API is not set
# CONFIG_SND_VERBOSE_PROCFS is not set
# CONFIG_SND_VERBOSE_PRINTK is not set
# CONFIG_SND_DEBUG is not set
# CONFIG_SND_DRIVERS is not set
# CONFIG_SND_ARM is not set
# CONFIG_SND_SPI is not set
CONFIG_SND_SOC=y
CONFIG_SND_SOC_I2C_AND_SPI=y
# CONFIG_SND_SOC_ALL_CODECS is not set
# CONFIG_SOUND_PRIME is not set
# CONFIG_HID_SUPPORT is not set
# CONFIG_USB_SUPPORT is not set
CONFIG_MMC=y
# CONFIG_MMC_DEBUG is not set
# CONFIG_MMC_UNSAFE_RESUME is not set
#
# MMC/SD/SDIO Card Drivers
#
CONFIG_MMC_BLOCK=y
CONFIG_MMC_BLOCK_BOUNCE=y
# CONFIG_SDIO_UART is not set
# CONFIG_MMC_TEST is not set
#
# MMC/SD/SDIO Host Controller Drivers
#
CONFIG_MMC_ARMMMCI=y
# CONFIG_MMC_SDHCI is not set
# CONFIG_MMC_SPI is not set
# CONFIG_MEMSTICK is not set
# CONFIG_ACCESSIBILITY is not set
CONFIG_NEW_LEDS=y
CONFIG_LEDS_CLASS=y
#
# LED drivers
#
# CONFIG_LEDS_PCA9532 is not set
# CONFIG_LEDS_GPIO is not set
# CONFIG_LEDS_LP5521 is not set
# CONFIG_LEDS_PCA955X is not set
# CONFIG_LEDS_DAC124S085 is not set
# CONFIG_LEDS_BD2802 is not set
#
# LED Triggers
#
CONFIG_LEDS_TRIGGERS=y
# CONFIG_LEDS_TRIGGER_TIMER is not set
# CONFIG_LEDS_TRIGGER_HEARTBEAT is not set
CONFIG_LEDS_TRIGGER_BACKLIGHT=y
# CONFIG_LEDS_TRIGGER_DEFAULT_ON is not set
#
# iptables trigger is under Netfilter config (LED target)
#
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
#
# CONFIG_RTC_DRV_DS1307 is not set
# CONFIG_RTC_DRV_DS1374 is not set
# CONFIG_RTC_DRV_DS1672 is not set
# CONFIG_RTC_DRV_MAX6900 is not set
# CONFIG_RTC_DRV_RS5C372 is not set
# CONFIG_RTC_DRV_ISL1208 is not set
# CONFIG_RTC_DRV_X1205 is not set
# CONFIG_RTC_DRV_PCF8563 is not set
# CONFIG_RTC_DRV_PCF8583 is not set
# CONFIG_RTC_DRV_M41T80 is not set
# CONFIG_RTC_DRV_S35390A is not set
# CONFIG_RTC_DRV_FM3130 is not set
# CONFIG_RTC_DRV_RX8581 is not set
#
# SPI RTC drivers
#
# CONFIG_RTC_DRV_M41T94 is not set
# CONFIG_RTC_DRV_DS1305 is not set
# CONFIG_RTC_DRV_DS1390 is not set
# CONFIG_RTC_DRV_MAX6902 is not set
# CONFIG_RTC_DRV_R9701 is not set
# CONFIG_RTC_DRV_RS5C348 is not set
# CONFIG_RTC_DRV_DS3234 is not set
#
# Platform RTC drivers
#
# CONFIG_RTC_DRV_CMOS is not set
# CONFIG_RTC_DRV_DS1286 is not set
# CONFIG_RTC_DRV_DS1511 is not set
# CONFIG_RTC_DRV_DS1553 is not set
# CONFIG_RTC_DRV_DS1742 is not set
# CONFIG_RTC_DRV_STK17TA8 is not set
# CONFIG_RTC_DRV_M48T86 is not set
# CONFIG_RTC_DRV_M48T35 is not set
# CONFIG_RTC_DRV_M48T59 is not set
# CONFIG_RTC_DRV_BQ4802 is not set
# CONFIG_RTC_DRV_V3020 is not set
#
# on-CPU RTC drivers
#
# CONFIG_RTC_DRV_PL030 is not set
# CONFIG_RTC_DRV_PL031 is not set
CONFIG_DMADEVICES=y
#
# DMA Devices
#
# CONFIG_AUXDISPLAY is not set
CONFIG_REGULATOR=y
# CONFIG_REGULATOR_DEBUG is not set
# CONFIG_REGULATOR_FIXED_VOLTAGE is not set
# CONFIG_REGULATOR_VIRTUAL_CONSUMER is not set
# CONFIG_REGULATOR_BQ24022 is not set
# CONFIG_UIO is not set
# CONFIG_STAGING is not set
#
# File systems
#
# CONFIG_EXT2_FS is not set
# CONFIG_EXT3_FS is not set
# CONFIG_EXT4_FS is not set
# CONFIG_REISERFS_FS is not set
# CONFIG_JFS_FS is not set
# CONFIG_FS_POSIX_ACL is not set
CONFIG_FILE_LOCKING=y
# CONFIG_XFS_FS is not set
# CONFIG_OCFS2_FS is not set
# CONFIG_BTRFS_FS is not set
# CONFIG_DNOTIFY is not set
# CONFIG_INOTIFY is not set
# CONFIG_QUOTA is not set
# CONFIG_AUTOFS_FS is not set
# CONFIG_AUTOFS4_FS is not set
CONFIG_FUSE_FS=y
#
# Caches
#
# CONFIG_FSCACHE is not set
#
# CD-ROM/DVD Filesystems
#
# CONFIG_ISO9660_FS is not set
# CONFIG_UDF_FS is not set
#
# DOS/FAT/NT Filesystems
#
CONFIG_FAT_FS=y
# CONFIG_MSDOS_FS is not set
CONFIG_VFAT_FS=y
CONFIG_FAT_DEFAULT_CODEPAGE=437
CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
# CONFIG_NTFS_FS is not set
#
# Pseudo filesystems
#
CONFIG_PROC_FS=y
CONFIG_PROC_SYSCTL=y
CONFIG_PROC_PAGE_MONITOR=y
CONFIG_SYSFS=y
CONFIG_TMPFS=y
# CONFIG_TMPFS_POSIX_ACL is not set
# CONFIG_HUGETLB_PAGE is not set
# CONFIG_CONFIGFS_FS is not set
CONFIG_MISC_FILESYSTEMS=y
# 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_JFFS2_FS is not set
# CONFIG_CRAMFS is not set
# CONFIG_SQUASHFS is not set
# CONFIG_VXFS_FS is not set
# CONFIG_MINIX_FS is not set
# CONFIG_OMFS_FS is not set
# CONFIG_HPFS_FS is not set
# CONFIG_QNX4FS_FS is not set
# CONFIG_ROMFS_FS is not set
# CONFIG_SYSV_FS is not set
# CONFIG_UFS_FS is not set
# CONFIG_NILFS2_FS is not set
# CONFIG_NETWORK_FILESYSTEMS is not set
#
# Partition Types
#
# CONFIG_PARTITION_ADVANCED is not set
CONFIG_MSDOS_PARTITION=y
CONFIG_NLS=y
CONFIG_NLS_DEFAULT="iso8859-1"
# CONFIG_NLS_CODEPAGE_437 is not set
# CONFIG_NLS_CODEPAGE_737 is not set
# CONFIG_NLS_CODEPAGE_775 is not set
# CONFIG_NLS_CODEPAGE_850 is not set
# CONFIG_NLS_CODEPAGE_852 is not set
# CONFIG_NLS_CODEPAGE_855 is not set
# CONFIG_NLS_CODEPAGE_857 is not set
# CONFIG_NLS_CODEPAGE_860 is not set
# CONFIG_NLS_CODEPAGE_861 is not set
# CONFIG_NLS_CODEPAGE_862 is not set
# CONFIG_NLS_CODEPAGE_863 is not set
# CONFIG_NLS_CODEPAGE_864 is not set
# CONFIG_NLS_CODEPAGE_865 is not set
# CONFIG_NLS_CODEPAGE_866 is not set
# CONFIG_NLS_CODEPAGE_869 is not set
# CONFIG_NLS_CODEPAGE_936 is not set
# CONFIG_NLS_CODEPAGE_950 is not set
# CONFIG_NLS_CODEPAGE_932 is not set
# CONFIG_NLS_CODEPAGE_949 is not set
# CONFIG_NLS_CODEPAGE_874 is not set
# CONFIG_NLS_ISO8859_8 is not set
# CONFIG_NLS_CODEPAGE_1250 is not set
# CONFIG_NLS_CODEPAGE_1251 is not set
# CONFIG_NLS_ASCII is not set
CONFIG_NLS_ISO8859_1=y
# CONFIG_NLS_ISO8859_2 is not set
# CONFIG_NLS_ISO8859_3 is not set
# CONFIG_NLS_ISO8859_4 is not set
# CONFIG_NLS_ISO8859_5 is not set
# CONFIG_NLS_ISO8859_6 is not set
# CONFIG_NLS_ISO8859_7 is not set
# CONFIG_NLS_ISO8859_9 is not set
# CONFIG_NLS_ISO8859_13 is not set
# CONFIG_NLS_ISO8859_14 is not set
# CONFIG_NLS_ISO8859_15 is not set
# CONFIG_NLS_KOI8_R is not set
# CONFIG_NLS_KOI8_U is not set
# CONFIG_NLS_UTF8 is not set
# CONFIG_DLM is not set
#
# Kernel hacking
#
CONFIG_PRINTK_TIME=y
CONFIG_ENABLE_WARN_DEPRECATED=y
CONFIG_ENABLE_MUST_CHECK=y
CONFIG_FRAME_WARN=1024
# CONFIG_MAGIC_SYSRQ is not set
# CONFIG_UNUSED_SYMBOLS is not set
# CONFIG_DEBUG_FS is not set
# CONFIG_HEADERS_CHECK is not set
CONFIG_DEBUG_KERNEL=y
# CONFIG_DEBUG_SHIRQ is not set
# CONFIG_DETECT_SOFTLOCKUP is not set
# CONFIG_DETECT_HUNG_TASK is not set
# CONFIG_SCHED_DEBUG is not set
# CONFIG_SCHEDSTATS is not set
CONFIG_TIMER_STATS=y
# CONFIG_DEBUG_OBJECTS is not set
# CONFIG_SLUB_DEBUG_ON is not set
# CONFIG_SLUB_STATS is not set
# CONFIG_DEBUG_PREEMPT is not set
# CONFIG_DEBUG_RT_MUTEXES is not set
# CONFIG_RT_MUTEX_TESTER is not set
# 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_LOCK_STAT is not set
# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
# CONFIG_DEBUG_KOBJECT is not set
CONFIG_DEBUG_BUGVERBOSE=y
CONFIG_DEBUG_INFO=y
# CONFIG_DEBUG_VM is not set
# CONFIG_DEBUG_WRITECOUNT is not set
# CONFIG_DEBUG_MEMORY_INIT is not set
# CONFIG_DEBUG_LIST is not set
# CONFIG_DEBUG_SG is not set
# CONFIG_DEBUG_NOTIFIERS is not set
# CONFIG_BOOT_PRINTK_DELAY is not set
# CONFIG_RCU_TORTURE_TEST is not set
# CONFIG_RCU_CPU_STALL_DETECTOR is not set
# CONFIG_BACKTRACE_SELF_TEST is not set
# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
# CONFIG_FAULT_INJECTION is not set
# CONFIG_LATENCYTOP is not set
# CONFIG_SYSCTL_SYSCALL_CHECK is not set
# CONFIG_PAGE_POISONING is not set
CONFIG_HAVE_FUNCTION_TRACER=y
CONFIG_TRACING_SUPPORT=y
#
# Tracers
#
# CONFIG_FUNCTION_TRACER is not set
# CONFIG_IRQSOFF_TRACER is not set
# CONFIG_PREEMPT_TRACER is not set
# CONFIG_SCHED_TRACER is not set
# CONFIG_CONTEXT_SWITCH_TRACER is not set
# CONFIG_EVENT_TRACER is not set
# CONFIG_BOOT_TRACER is not set
# CONFIG_TRACE_BRANCH_PROFILING is not set
# CONFIG_STACK_TRACER is not set
# CONFIG_KMEMTRACE is not set
# CONFIG_WORKQUEUE_TRACER is not set
# CONFIG_BLK_DEV_IO_TRACE is not set
# CONFIG_SAMPLES is not set
CONFIG_HAVE_ARCH_KGDB=y
# CONFIG_KGDB is not set
CONFIG_ARM_UNWIND=y
# CONFIG_DEBUG_USER is not set
# CONFIG_DEBUG_ERRORS is not set
# CONFIG_DEBUG_STACK_USAGE is not set
# CONFIG_DEBUG_LL is not set
#
# Security options
#
# CONFIG_KEYS is not set
# CONFIG_SECURITY is not set
# CONFIG_SECURITYFS is not set
# CONFIG_SECURITY_FILE_CAPABILITIES is not set
# CONFIG_CRYPTO is not set
# CONFIG_BINARY_PRINTF is not set
#
# Library routines
#
CONFIG_GENERIC_FIND_LAST_BIT=y
# CONFIG_CRC_CCITT is not set
# CONFIG_CRC16 is not set
# CONFIG_CRC_T10DIF is not set
# CONFIG_CRC_ITU_T is not set
# CONFIG_CRC32 is not set
# CONFIG_CRC7 is not set
# CONFIG_LIBCRC32C is not set
CONFIG_HAS_IOMEM=y
CONFIG_HAS_IOPORT=y
CONFIG_HAS_DMA=y
CONFIG_NLATTR=y
arch/arm/mach-u300/Kconfig 0 → 100644
View file @ b7c11ec9
if ARCH_U300
menu "ST-Ericsson AB U300/U330/U335/U365 Platform"
comment "ST-Ericsson Mobile Platform Products"
config MACH_U300
bool "U300"
comment "ST-Ericsson U300/U330/U335/U365 Feature Selections"
choice
prompt "U300/U330/U335/U365 system type"
default MACH_U300_BS2X
---help---
You need to select the target system, i.e. the
U300/U330/U335/U365 board that you want to compile your kernel
for.
config MACH_U300_BS2X
bool "S26/S26/B25/B26 Test Products"
depends on MACH_U300
help
Select this if you're developing on the
S26/S25 test products. (Also works on
B26/B25 big boards.)
config MACH_U300_BS330
bool "S330/B330 Test Products"
depends on MACH_U300
help
Select this if you're developing on the
S330/B330 test products.
config MACH_U300_BS335
bool "S335/B335 Test Products"
depends on MACH_U300
help
Select this if you're developing on the
S335/B335 test products.
config MACH_U300_BS365
bool "S365/B365 Test Products"
depends on MACH_U300
help
Select this if you're developing on the
S365/B365 test products.
endchoice
choice
prompt "Memory configuration"
default MACH_U300_SINGLE_RAM
---help---
You have to config the kernel according to the physical memory
configuration.
config MACH_U300_SINGLE_RAM
bool "Single RAM"
help
Select this if you want support for Single RAM phones.
config MACH_U300_DUAL_RAM
bool "Dual RAM"
help
Select this if you want support for Dual RAM phones.
This is two RAM memorys on different EMIFs.
endchoice
config U300_DEBUG
bool "Debug support for U300"
depends on PM
help
Debug support for U300 in sysfs, procfs etc.
config MACH_U300_SEMI_IS_SHARED
bool "The SEMI is used by both the access and application side"
depends on MACH_U300
help
This makes it possible to use the SEMI (Shared External
Memory Interface) from both from access and application
side.
comment "All the settings below must match the bootloader's settings"
config MACH_U300_ACCESS_MEM_SIZE
int "Access CPU memory allocation"
range 7 25
depends on MACH_U300_SINGLE_RAM
default 13
help
How much memory in MiB that the Access side CPU has allocated
config MACH_U300_2MB_ALIGNMENT_FIX
bool "2MiB alignment fix"
depends on MACH_U300_SINGLE_RAM
default y
help
If yes and the Access side CPU has allocated an odd size in
MiB, this fix gives you one MiB extra that would otherwise be
lost due to Linux 2 MiB alignment policy.
endmenu
endif
arch/arm/mach-u300/Makefile 0 → 100644
View file @ b7c11ec9
#
# Makefile for the linux kernel, U300 machine.
#
obj-y := core.o clock.o timer.o gpio.o padmux.o
obj-m :=
obj-n :=
obj- :=
obj-$(CONFIG_ARCH_U300) += u300.o
obj-$(CONFIG_MMC) += mmc.o
arch/arm/mach-u300/Makefile.boot 0 → 100644
View file @ b7c11ec9
# Note: the following conditions must always be true:
# ZRELADDR == virt_to_phys(TEXTADDR)
# PARAMS_PHYS must be within 4MB of ZRELADDR
# INITRD_PHYS must be in RAM
ifdef CONFIG_MACH_U300_SINGLE_RAM
zreladdr-y := 0x28E08000
params_phys-y := 0x28E00100
else
zreladdr-y := 0x48008000
params_phys-y := 0x48000100
endif
# This isn't used.
#initrd_phys-y := 0x29800000
arch/arm/mach-u300/clock.c 0 → 100644
View file @ b7c11ec9
/*
*
* arch/arm/mach-u300/clock.c
*
*
* Copyright (C) 2007-2009 ST-Ericsson AB
* License terms: GNU General Public License (GPL) version 2
* Define clocks in the app platform.
* Author: Linus Walleij <linus.walleij@stericsson.com>
* Author: Jonas Aaberg <jonas.aberg@stericsson.com>
*
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/list.h>
#include <linux/errno.h>
#include <linux/err.h>
#include <linux/string.h>
#include <linux/clk.h>
#include <linux/mutex.h>
#include <linux/spinlock.h>
#include <linux/debugfs.h>
#include <linux/device.h>
#include <linux/init.h>
#include <linux/timer.h>
#include <linux/io.h>
#include <asm/clkdev.h>
#include <mach/hardware.h>
#include <mach/syscon.h>
#include "clock.h"
/*
* TODO:
* - move all handling of the CCR register into this file and create
* a spinlock for the CCR register
* - switch to the clkdevice lookup mechanism that maps clocks to
* device ID:s instead when it becomes available in kernel 2.6.29.
* - implement rate get/set for all clocks that need it.
*/
/*
* Syscon clock I/O registers lock so clock requests don't collide
* NOTE: this is a local lock only used to lock access to clock and
* reset registers in syscon.
*/
static DEFINE_SPINLOCK(syscon_clkreg_lock);
static DEFINE_SPINLOCK(syscon_resetreg_lock);
/*
* The clocking hierarchy currently looks like this.
* NOTE: the idea is NOT to show how the clocks are routed on the chip!
* The ideas is to show dependencies, so a clock higher up in the
* hierarchy has to be on in order for another clock to be on. Now,
* both CPU and DMA can actually be on top of the hierarchy, and that
* is not modeled currently. Instead we have the backbone AMBA bus on
* top. This bus cannot be programmed in any way but conceptually it
* needs to be active for the bridges and devices to transport data.
*
* Please be aware that a few clocks are hw controlled, which mean that
* the hw itself can turn on/off or change the rate of the clock when
* needed!
*
* AMBA bus
* |
* +- CPU
* +- NANDIF NAND Flash interface
* +- SEMI Shared Memory interface
* +- ISP Image Signal Processor (U335 only)
* +- CDS (U335 only)
* +- DMA Direct Memory Access Controller
* +- AAIF APP/ACC Inteface (Mobile Scalable Link, MSL)
* +- APEX
* +- VIDEO_ENC AVE2/3 Video Encoder
* +- XGAM Graphics Accelerator Controller
* +- AHB
* |
* +- ahb:0 AHB Bridge
* | |
* | +- ahb:1 INTCON Interrupt controller
* | +- ahb:3 MSPRO Memory Stick Pro controller
* | +- ahb:4 EMIF External Memory interface
* |
* +- fast:0 FAST bridge
* | |
* | +- fast:1 MMCSD MMC/SD card reader controller
* | +- fast:2 I2S0 PCM I2S channel 0 controller
* | +- fast:3 I2S1 PCM I2S channel 1 controller
* | +- fast:4 I2C0 I2C channel 0 controller
* | +- fast:5 I2C1 I2C channel 1 controller
* | +- fast:6 SPI SPI controller
* | +- fast:7 UART1 Secondary UART (U335 only)
* |
* +- slow:0 SLOW bridge
* |
* +- slow:1 SYSCON (not possible to control)
* +- slow:2 WDOG Watchdog
* +- slow:3 UART0 primary UART
* +- slow:4 TIMER_APP Application timer - used in Linux
* +- slow:5 KEYPAD controller
* +- slow:6 GPIO controller
* +- slow:7 RTC controller
* +- slow:8 BT Bus Tracer (not used currently)
* +- slow:9 EH Event Handler (not used currently)
* +- slow:a TIMER_ACC Access style timer (not used currently)
* +- slow:b PPM (U335 only, what is that?)
*/
/*
* Reset control functions. We remember if a block has been
* taken out of reset and don't remove the reset assertion again
* and vice versa. Currently we only remove resets so the
* enablement function is defined out.
*/
static void syscon_block_reset_enable(struct clk *clk)
{
u16 val;
unsigned long iflags;
/* Not all blocks support resetting */
if (!clk->res_reg || !clk->res_mask)
return;
spin_lock_irqsave(&syscon_resetreg_lock, iflags);
val = readw(clk->res_reg);
val |= clk->res_mask;
writew(val, clk->res_reg);
spin_unlock_irqrestore(&syscon_resetreg_lock, iflags);
clk->reset = true;
}
static void syscon_block_reset_disable(struct clk *clk)
{
u16 val;
unsigned long iflags;
/* Not all blocks support resetting */
if (!clk->res_reg || !clk->res_mask)
return;
spin_lock_irqsave(&syscon_resetreg_lock, iflags);
val = readw(clk->res_reg);
val &= ~clk->res_mask;
writew(val, clk->res_reg);
spin_unlock_irqrestore(&syscon_resetreg_lock, iflags);
clk->reset = false;
}
int __clk_get(struct clk *clk)
{
u16 val;
/* The MMC and MSPRO clocks need some special set-up */
if (!strcmp(clk->name, "MCLK")) {
/* Set default MMC clock divisor to 18.9 MHz */
writew(0x0054U, U300_SYSCON_VBASE + U300_SYSCON_MMF0R);
val = readw(U300_SYSCON_VBASE + U300_SYSCON_MMCR);
/* Disable the MMC feedback clock */
val &= ~U300_SYSCON_MMCR_MMC_FB_CLK_SEL_ENABLE;
/* Disable MSPRO frequency */
val &= ~U300_SYSCON_MMCR_MSPRO_FREQSEL_ENABLE;
writew(val, U300_SYSCON_VBASE + U300_SYSCON_MMCR);
}
if (!strcmp(clk->name, "MSPRO")) {
val = readw(U300_SYSCON_VBASE + U300_SYSCON_MMCR);
/* Disable the MMC feedback clock */
val &= ~U300_SYSCON_MMCR_MMC_FB_CLK_SEL_ENABLE;
/* Enable MSPRO frequency */
val |= U300_SYSCON_MMCR_MSPRO_FREQSEL_ENABLE;
writew(val, U300_SYSCON_VBASE + U300_SYSCON_MMCR);
}
return 1;
}
EXPORT_SYMBOL(__clk_get);
void __clk_put(struct clk *clk)
{
}
EXPORT_SYMBOL(__clk_put);
static void syscon_clk_disable(struct clk *clk)
{
unsigned long iflags;
/* Don't touch the hardware controlled clocks */
if (clk->hw_ctrld)
return;
spin_lock_irqsave(&syscon_clkreg_lock, iflags);
writew(clk->clk_val, U300_SYSCON_VBASE + U300_SYSCON_SBCDR);
spin_unlock_irqrestore(&syscon_clkreg_lock, iflags);
}
static void syscon_clk_enable(struct clk *clk)
{
unsigned long iflags;
/* Don't touch the hardware controlled clocks */
if (clk->hw_ctrld)
return;
spin_lock_irqsave(&syscon_clkreg_lock, iflags);
writew(clk->clk_val, U300_SYSCON_VBASE + U300_SYSCON_SBCER);
spin_unlock_irqrestore(&syscon_clkreg_lock, iflags);
}
static u16 syscon_clk_get_rate(void)
{
u16 val;
unsigned long iflags;
spin_lock_irqsave(&syscon_clkreg_lock, iflags);
val = readw(U300_SYSCON_VBASE + U300_SYSCON_CCR);
val &= U300_SYSCON_CCR_CLKING_PERFORMANCE_MASK;
spin_unlock_irqrestore(&syscon_clkreg_lock, iflags);
return val;
}
#ifdef CONFIG_MACH_U300_USE_I2S_AS_MASTER
static void enable_i2s0_vcxo(void)
{
u16 val;
unsigned long iflags;
spin_lock_irqsave(&syscon_clkreg_lock, iflags);
/* Set I2S0 to use the VCXO 26 MHz clock */
val = readw(U300_SYSCON_VBASE + U300_SYSCON_CCR);
val |= U300_SYSCON_CCR_TURN_VCXO_ON;
writew(val, U300_SYSCON_VBASE + U300_SYSCON_CCR);
val |= U300_SYSCON_CCR_I2S0_USE_VCXO;
writew(val, U300_SYSCON_VBASE + U300_SYSCON_CCR);
val = readw(U300_SYSCON_VBASE + U300_SYSCON_CEFR);
val |= U300_SYSCON_CEFR_I2S0_CLK_EN;
writew(val, U300_SYSCON_VBASE + U300_SYSCON_CEFR);
spin_unlock_irqrestore(&syscon_clkreg_lock, iflags);
}
static void enable_i2s1_vcxo(void)
{
u16 val;
unsigned long iflags;
spin_lock_irqsave(&syscon_clkreg_lock, iflags);
/* Set I2S1 to use the VCXO 26 MHz clock */
val = readw(U300_SYSCON_VBASE + U300_SYSCON_CCR);
val |= U300_SYSCON_CCR_TURN_VCXO_ON;
writew(val, U300_SYSCON_VBASE + U300_SYSCON_CCR);
val |= U300_SYSCON_CCR_I2S1_USE_VCXO;
writew(val, U300_SYSCON_VBASE + U300_SYSCON_CCR);
val = readw(U300_SYSCON_VBASE + U300_SYSCON_CEFR);
val |= U300_SYSCON_CEFR_I2S1_CLK_EN;
writew(val, U300_SYSCON_VBASE + U300_SYSCON_CEFR);
spin_unlock_irqrestore(&syscon_clkreg_lock, iflags);
}
static void disable_i2s0_vcxo(void)
{
u16 val;
unsigned long iflags;
spin_lock_irqsave(&syscon_clkreg_lock, iflags);
/* Disable I2S0 use of the VCXO 26 MHz clock */
val = readw(U300_SYSCON_VBASE + U300_SYSCON_CCR);
val &= ~U300_SYSCON_CCR_I2S0_USE_VCXO;
writew(val, U300_SYSCON_VBASE + U300_SYSCON_CCR);
/* Deactivate VCXO if noone else is using VCXO */
if (!(val & U300_SYSCON_CCR_I2S1_USE_VCXO))
val &= ~U300_SYSCON_CCR_TURN_VCXO_ON;
writew(val, U300_SYSCON_VBASE + U300_SYSCON_CCR);
val = readw(U300_SYSCON_VBASE + U300_SYSCON_CEFR);
val &= ~U300_SYSCON_CEFR_I2S0_CLK_EN;
writew(val, U300_SYSCON_VBASE + U300_SYSCON_CEFR);
spin_unlock_irqrestore(&syscon_clkreg_lock, iflags);
}
static void disable_i2s1_vcxo(void)
{
u16 val;
unsigned long iflags;
spin_lock_irqsave(&syscon_clkreg_lock, iflags);
/* Disable I2S1 use of the VCXO 26 MHz clock */
val = readw(U300_SYSCON_VBASE + U300_SYSCON_CCR);
val &= ~U300_SYSCON_CCR_I2S1_USE_VCXO;
writew(val, U300_SYSCON_VBASE + U300_SYSCON_CCR);
/* Deactivate VCXO if noone else is using VCXO */
if (!(val & U300_SYSCON_CCR_I2S0_USE_VCXO))
val &= ~U300_SYSCON_CCR_TURN_VCXO_ON;
writew(val, U300_SYSCON_VBASE + U300_SYSCON_CCR);
val = readw(U300_SYSCON_VBASE + U300_SYSCON_CEFR);
val &= ~U300_SYSCON_CEFR_I2S0_CLK_EN;
writew(val, U300_SYSCON_VBASE + U300_SYSCON_CEFR);
spin_unlock_irqrestore(&syscon_clkreg_lock, iflags);
}
#endif /* CONFIG_MACH_U300_USE_I2S_AS_MASTER */
static void syscon_clk_rate_set_mclk(unsigned long rate)
{
u16 val;
u32 reg;
unsigned long iflags;
switch (rate) {
case 18900000:
val = 0x0054;
break;
case 20800000:
val = 0x0044;
break;
case 23100000:
val = 0x0043;
break;
case 26000000:
val = 0x0033;
break;
case 29700000:
val = 0x0032;
break;
case 34700000:
val = 0x0022;
break;
case 41600000:
val = 0x0021;
break;
case 52000000:
val = 0x0011;
break;
case 104000000:
val = 0x0000;
break;
default:
printk(KERN_ERR "Trying to set MCLK to unknown speed! %ld\n",
rate);
return;
}
spin_lock_irqsave(&syscon_clkreg_lock, iflags);
reg = readw(U300_SYSCON_VBASE + U300_SYSCON_MMF0R) &
~U300_SYSCON_MMF0R_MASK;
writew(reg | val, U300_SYSCON_VBASE + U300_SYSCON_MMF0R);
spin_unlock_irqrestore(&syscon_clkreg_lock, iflags);
}
void syscon_clk_rate_set_cpuclk(unsigned long rate)
{
u16 val;
unsigned long iflags;
switch (rate) {
case 13000000:
val = U300_SYSCON_CCR_CLKING_PERFORMANCE_LOW_POWER;
break;
case 52000000:
val = U300_SYSCON_CCR_CLKING_PERFORMANCE_INTERMEDIATE;
break;
case 104000000:
val = U300_SYSCON_CCR_CLKING_PERFORMANCE_HIGH;
break;
case 208000000:
val = U300_SYSCON_CCR_CLKING_PERFORMANCE_BEST;
break;
default:
return;
}
spin_lock_irqsave(&syscon_clkreg_lock, iflags);
val |= readw(U300_SYSCON_VBASE + U300_SYSCON_CCR) &
~U300_SYSCON_CCR_CLKING_PERFORMANCE_MASK ;
writew(val, U300_SYSCON_VBASE + U300_SYSCON_CCR);
spin_unlock_irqrestore(&syscon_clkreg_lock, iflags);
}
EXPORT_SYMBOL(syscon_clk_rate_set_cpuclk);
void clk_disable(struct clk *clk)
{
unsigned long iflags;
spin_lock_irqsave(&clk->lock, iflags);
if (clk->usecount > 0 && !(--clk->usecount)) {
/* some blocks lack clocking registers and cannot be disabled */
if (clk->disable)
clk->disable(clk);
if (likely((u32)clk->parent))
clk_disable(clk->parent);
}
#ifdef CONFIG_MACH_U300_USE_I2S_AS_MASTER
if (unlikely(!strcmp(clk->name, "I2S0")))
disable_i2s0_vcxo();
if (unlikely(!strcmp(clk->name, "I2S1")))
disable_i2s1_vcxo();
#endif
spin_unlock_irqrestore(&clk->lock, iflags);
}
EXPORT_SYMBOL(clk_disable);
int clk_enable(struct clk *clk)
{
int ret = 0;
unsigned long iflags;
spin_lock_irqsave(&clk->lock, iflags);
if (clk->usecount++ == 0) {
if (likely((u32)clk->parent))
ret = clk_enable(clk->parent);
if (unlikely(ret != 0))
clk->usecount--;
else {
/* remove reset line (we never enable reset again) */
syscon_block_reset_disable(clk);
/* clocks without enable function are always on */
if (clk->enable)
clk->enable(clk);
#ifdef CONFIG_MACH_U300_USE_I2S_AS_MASTER
if (unlikely(!strcmp(clk->name, "I2S0")))
enable_i2s0_vcxo();
if (unlikely(!strcmp(clk->name, "I2S1")))
enable_i2s1_vcxo();
#endif
}
}
spin_unlock_irqrestore(&clk->lock, iflags);
return ret;
}
EXPORT_SYMBOL(clk_enable);
/* Returns the clock rate in Hz */
static unsigned long clk_get_rate_cpuclk(struct clk *clk)
{
u16 val;
val = syscon_clk_get_rate();
switch (val) {
case U300_SYSCON_CCR_CLKING_PERFORMANCE_LOW_POWER:
case U300_SYSCON_CCR_CLKING_PERFORMANCE_LOW:
return 13000000;
case U300_SYSCON_CCR_CLKING_PERFORMANCE_INTERMEDIATE:
return 52000000;
case U300_SYSCON_CCR_CLKING_PERFORMANCE_HIGH:
return 104000000;
case U300_SYSCON_CCR_CLKING_PERFORMANCE_BEST:
return 208000000;
default:
break;
}
return clk->rate;
}
static unsigned long clk_get_rate_ahb_clk(struct clk *clk)
{
u16 val;
val = syscon_clk_get_rate();
switch (val) {
case U300_SYSCON_CCR_CLKING_PERFORMANCE_LOW_POWER:
case U300_SYSCON_CCR_CLKING_PERFORMANCE_LOW:
return 6500000;
case U300_SYSCON_CCR_CLKING_PERFORMANCE_INTERMEDIATE:
return 26000000;
case U300_SYSCON_CCR_CLKING_PERFORMANCE_HIGH:
case U300_SYSCON_CCR_CLKING_PERFORMANCE_BEST:
return 52000000;
default:
break;
}
return clk->rate;
}
static unsigned long clk_get_rate_emif_clk(struct clk *clk)
{
u16 val;
val = syscon_clk_get_rate();
switch (val) {
case U300_SYSCON_CCR_CLKING_PERFORMANCE_LOW_POWER:
case U300_SYSCON_CCR_CLKING_PERFORMANCE_LOW:
return 13000000;
case U300_SYSCON_CCR_CLKING_PERFORMANCE_INTERMEDIATE:
return 52000000;
case U300_SYSCON_CCR_CLKING_PERFORMANCE_HIGH:
case U300_SYSCON_CCR_CLKING_PERFORMANCE_BEST:
return 104000000;
default:
break;
}
return clk->rate;
}
static unsigned long clk_get_rate_xgamclk(struct clk *clk)
{
u16 val;
val = syscon_clk_get_rate();
switch (val) {
case U300_SYSCON_CCR_CLKING_PERFORMANCE_LOW_POWER:
case U300_SYSCON_CCR_CLKING_PERFORMANCE_LOW:
return 6500000;
case U300_SYSCON_CCR_CLKING_PERFORMANCE_INTERMEDIATE:
return 26000000;
case U300_SYSCON_CCR_CLKING_PERFORMANCE_HIGH:
case U300_SYSCON_CCR_CLKING_PERFORMANCE_BEST:
return 52000000;
default:
break;
}
return clk->rate;
}
static unsigned long clk_get_rate_mclk(struct clk *clk)
{
u16 val;
val = syscon_clk_get_rate();
switch (val) {
case U300_SYSCON_CCR_CLKING_PERFORMANCE_LOW_POWER:
/*
* Here, the 208 MHz PLL gets shut down and the always
* on 13 MHz PLL used for RTC etc kicks into use
* instead.
*/
return 13000000;
case U300_SYSCON_CCR_CLKING_PERFORMANCE_LOW:
case U300_SYSCON_CCR_CLKING_PERFORMANCE_INTERMEDIATE:
case U300_SYSCON_CCR_CLKING_PERFORMANCE_HIGH:
case U300_SYSCON_CCR_CLKING_PERFORMANCE_BEST:
{
/*
* This clock is under program control. The register is
* divided in two nybbles, bit 7-4 gives cycles-1 to count
* high, bit 3-0 gives cycles-1 to count low. Distribute
* these with no more than 1 cycle difference between
* low and high and add low and high to get the actual
* divisor. The base PLL is 208 MHz. Writing 0x00 will
* divide by 1 and 1 so the highest frequency possible
* is 104 MHz.
*
* e.g. 0x54 =>
* f = 208 / ((5+1) + (4+1)) = 208 / 11 = 18.9 MHz
*/
u16 val = readw(U300_SYSCON_VBASE + U300_SYSCON_MMF0R) &
U300_SYSCON_MMF0R_MASK;
switch (val) {
case 0x0054:
return 18900000;
case 0x0044:
return 20800000;
case 0x0043:
return 23100000;
case 0x0033:
return 26000000;
case 0x0032:
return 29700000;
case 0x0022:
return 34700000;
case 0x0021:
return 41600000;
case 0x0011:
return 52000000;
case 0x0000:
return 104000000;
default:
break;
}
}
default:
break;
}
return clk->rate;
}
static unsigned long clk_get_rate_i2s_i2c_spi(struct clk *clk)
{
u16 val;
val = syscon_clk_get_rate();
switch (val) {
case U300_SYSCON_CCR_CLKING_PERFORMANCE_LOW_POWER:
case U300_SYSCON_CCR_CLKING_PERFORMANCE_LOW:
return 13000000;
case U300_SYSCON_CCR_CLKING_PERFORMANCE_INTERMEDIATE:
case U300_SYSCON_CCR_CLKING_PERFORMANCE_HIGH:
case U300_SYSCON_CCR_CLKING_PERFORMANCE_BEST:
return 26000000;
default:
break;
}
return clk->rate;
}
unsigned long clk_get_rate(struct clk *clk)
{
if (clk->get_rate)
return clk->get_rate(clk);
else
return clk->rate;
}
EXPORT_SYMBOL(clk_get_rate);
static unsigned long clk_round_rate_mclk(struct clk *clk, unsigned long rate)
{
if (rate >= 18900000)
return 18900000;
if (rate >= 20800000)
return 20800000;
if (rate >= 23100000)
return 23100000;
if (rate >= 26000000)
return 26000000;
if (rate >= 29700000)
return 29700000;
if (rate >= 34700000)
return 34700000;
if (rate >= 41600000)
return 41600000;
if (rate >= 52000000)
return 52000000;
return -EINVAL;
}
static unsigned long clk_round_rate_cpuclk(struct clk *clk, unsigned long rate)
{
if (rate >= 13000000)
return 13000000;
if (rate >= 52000000)
return 52000000;
if (rate >= 104000000)
return 104000000;
if (rate >= 208000000)
return 208000000;
return -EINVAL;
}
/*
* This adjusts a requested rate to the closest exact rate
* a certain clock can provide. For a fixed clock it's
* mostly clk->rate.
*/
long clk_round_rate(struct clk *clk, unsigned long rate)
{
/* TODO: get apropriate switches for EMIFCLK, AHBCLK and MCLK */
/* Else default to fixed value */
if (clk->round_rate) {
return (long) clk->round_rate(clk, rate);
} else {
printk(KERN_ERR "clock: Failed to round rate of %s\n",
clk->name);
}
return (long) clk->rate;
}
EXPORT_SYMBOL(clk_round_rate);
static int clk_set_rate_mclk(struct clk *clk, unsigned long rate)
{
syscon_clk_rate_set_mclk(clk_round_rate(clk, rate));
return 0;
}
static int clk_set_rate_cpuclk(struct clk *clk, unsigned long rate)
{
syscon_clk_rate_set_cpuclk(clk_round_rate(clk, rate));
return 0;
}
int clk_set_rate(struct clk *clk, unsigned long rate)
{
/* TODO: set for EMIFCLK and AHBCLK */
/* Else assume the clock is fixed and fail */
if (clk->set_rate) {
return clk->set_rate(clk, rate);
} else {
printk(KERN_ERR "clock: Failed to set %s to %ld hz\n",
clk->name, rate);
return -EINVAL;
}
}
EXPORT_SYMBOL(clk_set_rate);
/*
* Clock definitions. The clock parents are set to respective
* bridge and the clock framework makes sure that the clocks have
* parents activated and are brought out of reset when in use.
*
* Clocks that have hw_ctrld = true are hw controlled, and the hw
* can by itself turn these clocks on and off.
* So in other words, we don't really have to care about them.
*/
static struct clk amba_clk = {
.name = "AMBA",
.rate = 52000000, /* this varies! */
.hw_ctrld = true,
.reset = false,
};
/*
* These blocks are connected directly to the AMBA bus
* with no bridge.
*/
static struct clk cpu_clk = {
.name = "CPU",
.parent = &amba_clk,
.rate = 208000000, /* this varies! */
.hw_ctrld = true,
.reset = true,
.res_reg = U300_SYSCON_VBASE + U300_SYSCON_RRR,
.res_mask = U300_SYSCON_RRR_CPU_RESET_EN,
.set_rate = clk_set_rate_cpuclk,
.get_rate = clk_get_rate_cpuclk,
.round_rate = clk_round_rate_cpuclk,
};
static struct clk nandif_clk = {
.name = "NANDIF",
.parent = &amba_clk,
.hw_ctrld = false,
.reset = true,
.res_reg = U300_SYSCON_VBASE + U300_SYSCON_RRR,
.res_mask = U300_SYSCON_RRR_NANDIF_RESET_EN,
.clk_val = U300_SYSCON_SBCER_NANDIF_CLK_EN,
.enable = syscon_clk_enable,
.disable = syscon_clk_disable,
};
static struct clk semi_clk = {
.name = "SEMI",
.parent = &amba_clk,
.rate = 0, /* FIXME */
/* It is not possible to reset SEMI */
.hw_ctrld = false,
.reset = false,
.clk_val = U300_SYSCON_SBCER_SEMI_CLK_EN,
.enable = syscon_clk_enable,
.disable = syscon_clk_disable,
};
#ifdef CONFIG_MACH_U300_BS335
static struct clk isp_clk = {
.name = "ISP",
.parent = &amba_clk,
.rate = 0, /* FIXME */
.hw_ctrld = false,
.reset = true,
.res_reg = U300_SYSCON_VBASE + U300_SYSCON_RRR,
.res_mask = U300_SYSCON_RRR_ISP_RESET_EN,
.clk_val = U300_SYSCON_SBCER_ISP_CLK_EN,
.enable = syscon_clk_enable,
.disable = syscon_clk_disable,
};
static struct clk cds_clk = {
.name = "CDS",
.parent = &amba_clk,
.rate = 0, /* FIXME */
.hw_ctrld = false,
.reset = true,
.res_reg = U300_SYSCON_VBASE + U300_SYSCON_RRR,
.res_mask = U300_SYSCON_RRR_CDS_RESET_EN,
.clk_val = U300_SYSCON_SBCER_CDS_CLK_EN,
.enable = syscon_clk_enable,
.disable = syscon_clk_disable,
};
#endif
static struct clk dma_clk = {
.name = "DMA",
.parent = &amba_clk,
.rate = 52000000, /* this varies! */
.hw_ctrld = true,
.reset = true,
.res_reg = U300_SYSCON_VBASE + U300_SYSCON_RRR,
.res_mask = U300_SYSCON_RRR_DMAC_RESET_EN,
.clk_val = U300_SYSCON_SBCER_DMAC_CLK_EN,
.enable = syscon_clk_enable,
.disable = syscon_clk_disable,
};
static struct clk aaif_clk = {
.name = "AAIF",
.parent = &amba_clk,
.rate = 52000000, /* this varies! */
.hw_ctrld = true,
.reset = true,
.res_reg = U300_SYSCON_VBASE + U300_SYSCON_RRR,
.res_mask = U300_SYSCON_RRR_AAIF_RESET_EN,
.clk_val = U300_SYSCON_SBCER_AAIF_CLK_EN,
.enable = syscon_clk_enable,
.disable = syscon_clk_disable,
};
static struct clk apex_clk = {
.name = "APEX",
.parent = &amba_clk,
.rate = 0, /* FIXME */
.hw_ctrld = true,
.reset = true,
.res_reg = U300_SYSCON_VBASE + U300_SYSCON_RRR,
.res_mask = U300_SYSCON_RRR_APEX_RESET_EN,
.clk_val = U300_SYSCON_SBCER_APEX_CLK_EN,
.enable = syscon_clk_enable,
.disable = syscon_clk_disable,
};
static struct clk video_enc_clk = {
.name = "VIDEO_ENC",
.parent = &amba_clk,
.rate = 208000000, /* this varies! */
.hw_ctrld = false,
.reset = false,
.res_reg = U300_SYSCON_VBASE + U300_SYSCON_RRR,
/* This has XGAM in the name but refers to the video encoder */
.res_mask = U300_SYSCON_RRR_XGAM_VC_SYNC_RESET_EN,
.clk_val = U300_SYSCON_SBCER_VIDEO_ENC_CLK_EN,
.enable = syscon_clk_enable,
.disable = syscon_clk_disable,
};
static struct clk xgam_clk = {
.name = "XGAMCLK",
.parent = &amba_clk,
.rate = 52000000, /* this varies! */
.hw_ctrld = false,
.reset = true,
.res_reg = U300_SYSCON_VBASE + U300_SYSCON_RRR,
.res_mask = U300_SYSCON_RRR_XGAM_RESET_EN,
.clk_val = U300_SYSCON_SBCER_XGAM_CLK_EN,
.get_rate = clk_get_rate_xgamclk,
.enable = syscon_clk_enable,
.disable = syscon_clk_disable,
};
/* This clock is used to activate the video encoder */
static struct clk ahb_clk = {
.name = "AHB",
.parent = &amba_clk,
.rate = 52000000, /* this varies! */
.hw_ctrld = false, /* This one is set to false due to HW bug */
.reset = true,
.res_reg = U300_SYSCON_VBASE + U300_SYSCON_RRR,
.res_mask = U300_SYSCON_RRR_AHB_RESET_EN,
.clk_val = U300_SYSCON_SBCER_AHB_CLK_EN,
.enable = syscon_clk_enable,
.disable = syscon_clk_disable,
.get_rate = clk_get_rate_ahb_clk,
};
/*
* Clocks on the AHB bridge
*/
static struct clk ahb_subsys_clk = {
.name = "AHB_SUBSYS",
.parent = &amba_clk,
.rate = 52000000, /* this varies! */
.hw_ctrld = true,
.reset = false,
.clk_val = U300_SYSCON_SBCER_AHB_SUBSYS_BRIDGE_CLK_EN,
.enable = syscon_clk_enable,
.disable = syscon_clk_disable,
.get_rate = clk_get_rate_ahb_clk,
};
static struct clk intcon_clk = {
.name = "INTCON",
.parent = &ahb_subsys_clk,
.rate = 52000000, /* this varies! */
.hw_ctrld = false,
.reset = true,
.res_reg = U300_SYSCON_VBASE + U300_SYSCON_RRR,
.res_mask = U300_SYSCON_RRR_INTCON_RESET_EN,
/* INTCON can be reset but not clock-gated */
};
static struct clk mspro_clk = {
.name = "MSPRO",
.parent = &ahb_subsys_clk,
.rate = 0, /* FIXME */
.hw_ctrld = false,
.reset = true,
.res_reg = U300_SYSCON_VBASE + U300_SYSCON_RRR,
.res_mask = U300_SYSCON_RRR_MSPRO_RESET_EN,
.clk_val = U300_SYSCON_SBCER_MSPRO_CLK_EN,
.enable = syscon_clk_enable,
.disable = syscon_clk_disable,
};
static struct clk emif_clk = {
.name = "EMIF",
.parent = &ahb_subsys_clk,
.rate = 104000000, /* this varies! */
.hw_ctrld = false,
.reset = true,
.res_reg = U300_SYSCON_VBASE + U300_SYSCON_RRR,
.res_mask = U300_SYSCON_RRR_EMIF_RESET_EN,
.clk_val = U300_SYSCON_SBCER_EMIF_CLK_EN,
.enable = syscon_clk_enable,
.disable = syscon_clk_disable,
.get_rate = clk_get_rate_emif_clk,
};
/*
* Clocks on the FAST bridge
*/
static struct clk fast_clk = {
.name = "FAST_BRIDGE",
.parent = &amba_clk,
.rate = 13000000, /* this varies! */
.hw_ctrld = true,
.reset = true,
.res_reg = U300_SYSCON_VBASE + U300_SYSCON_RFR,
.res_mask = U300_SYSCON_RFR_FAST_BRIDGE_RESET_ENABLE,
.clk_val = U300_SYSCON_SBCER_FAST_BRIDGE_CLK_EN,
.enable = syscon_clk_enable,
.disable = syscon_clk_disable,
};
static struct clk mmcsd_clk = {
.name = "MCLK",
.parent = &fast_clk,
.rate = 18900000, /* this varies! */
.hw_ctrld = false,
.reset = true,
.res_reg = U300_SYSCON_VBASE + U300_SYSCON_RFR,
.res_mask = U300_SYSCON_RFR_MMC_RESET_ENABLE,
.clk_val = U300_SYSCON_SBCER_MMC_CLK_EN,
.get_rate = clk_get_rate_mclk,
.set_rate = clk_set_rate_mclk,
.round_rate = clk_round_rate_mclk,
.disable = syscon_clk_disable,
.enable = syscon_clk_enable,
};
static struct clk i2s0_clk = {
.name = "i2s0",
.parent = &fast_clk,
.rate = 26000000, /* this varies! */
.hw_ctrld = true,
.reset = true,
.res_reg = U300_SYSCON_VBASE + U300_SYSCON_RFR,
.res_mask = U300_SYSCON_RFR_PCM_I2S0_RESET_ENABLE,
.clk_val = U300_SYSCON_SBCER_I2S0_CORE_CLK_EN,
.enable = syscon_clk_enable,
.disable = syscon_clk_disable,
.get_rate = clk_get_rate_i2s_i2c_spi,
};
static struct clk i2s1_clk = {
.name = "i2s1",
.parent = &fast_clk,
.rate = 26000000, /* this varies! */
.hw_ctrld = true,
.reset = true,
.res_reg = U300_SYSCON_VBASE + U300_SYSCON_RFR,
.res_mask = U300_SYSCON_RFR_PCM_I2S1_RESET_ENABLE,
.clk_val = U300_SYSCON_SBCER_I2S1_CORE_CLK_EN,
.enable = syscon_clk_enable,
.disable = syscon_clk_disable,
.get_rate = clk_get_rate_i2s_i2c_spi,
};
static struct clk i2c0_clk = {
.name = "I2C0",
.parent = &fast_clk,
.rate = 26000000, /* this varies! */
.hw_ctrld = false,
.reset = true,
.res_reg = U300_SYSCON_VBASE + U300_SYSCON_RFR,
.res_mask = U300_SYSCON_RFR_I2C0_RESET_ENABLE,
.clk_val = U300_SYSCON_SBCER_I2C0_CLK_EN,
.enable = syscon_clk_enable,
.disable = syscon_clk_disable,
.get_rate = clk_get_rate_i2s_i2c_spi,
};
static struct clk i2c1_clk = {
.name = "I2C1",
.parent = &fast_clk,
.rate = 26000000, /* this varies! */
.hw_ctrld = false,
.reset = true,
.res_reg = U300_SYSCON_VBASE + U300_SYSCON_RFR,
.res_mask = U300_SYSCON_RFR_I2C1_RESET_ENABLE,
.clk_val = U300_SYSCON_SBCER_I2C1_CLK_EN,
.enable = syscon_clk_enable,
.disable = syscon_clk_disable,
.get_rate = clk_get_rate_i2s_i2c_spi,
};
static struct clk spi_clk = {
.name = "SPI",
.parent = &fast_clk,
.rate = 26000000, /* this varies! */
.hw_ctrld = false,
.reset = true,
.res_reg = U300_SYSCON_VBASE + U300_SYSCON_RFR,
.res_mask = U300_SYSCON_RFR_SPI_RESET_ENABLE,
.clk_val = U300_SYSCON_SBCER_SPI_CLK_EN,
.enable = syscon_clk_enable,
.disable = syscon_clk_disable,
.get_rate = clk_get_rate_i2s_i2c_spi,
};
#ifdef CONFIG_MACH_U300_BS335
static struct clk uart1_clk = {
.name = "UART1",
.parent = &fast_clk,
.rate = 13000000,
.hw_ctrld = false,
.reset = true,
.res_reg = U300_SYSCON_VBASE + U300_SYSCON_RFR,
.res_mask = U300_SYSCON_RFR_UART1_RESET_ENABLE,
.clk_val = U300_SYSCON_SBCER_UART1_CLK_EN,
.enable = syscon_clk_enable,
.disable = syscon_clk_disable,
};
#endif
/*
* Clocks on the SLOW bridge
*/
static struct clk slow_clk = {
.name = "SLOW_BRIDGE",
.parent = &amba_clk,
.rate = 13000000,
.hw_ctrld = true,
.reset = true,
.res_reg = U300_SYSCON_VBASE + U300_SYSCON_RSR,
.res_mask = U300_SYSCON_RSR_SLOW_BRIDGE_RESET_EN,
.clk_val = U300_SYSCON_SBCER_SLOW_BRIDGE_CLK_EN,
.enable = syscon_clk_enable,
.disable = syscon_clk_disable,
};
/* TODO: implement SYSCON clock? */
static struct clk wdog_clk = {
.name = "WDOG",
.parent = &slow_clk,
.hw_ctrld = false,
.rate = 32768,
.reset = false,
/* This is always on, cannot be enabled/disabled or reset */
};
/* This one is hardwired to PLL13 */
static struct clk uart_clk = {
.name = "UARTCLK",
.parent = &slow_clk,
.rate = 13000000,
.hw_ctrld = false,
.reset = true,
.res_reg = U300_SYSCON_VBASE + U300_SYSCON_RSR,
.res_mask = U300_SYSCON_RSR_UART_RESET_EN,
.clk_val = U300_SYSCON_SBCER_UART_CLK_EN,
.enable = syscon_clk_enable,
.disable = syscon_clk_disable,
};
static struct clk keypad_clk = {
.name = "KEYPAD",
.parent = &slow_clk,
.rate = 32768,
.hw_ctrld = false,
.reset = true,
.res_reg = U300_SYSCON_VBASE + U300_SYSCON_RSR,
.res_mask = U300_SYSCON_RSR_KEYPAD_RESET_EN,
.clk_val = U300_SYSCON_SBCER_KEYPAD_CLK_EN,
.enable = syscon_clk_enable,
.disable = syscon_clk_disable,
};
static struct clk gpio_clk = {
.name = "GPIO",
.parent = &slow_clk,
.rate = 13000000,
.hw_ctrld = true,
.reset = true,
.res_reg = U300_SYSCON_VBASE + U300_SYSCON_RSR,
.res_mask = U300_SYSCON_RSR_GPIO_RESET_EN,
.clk_val = U300_SYSCON_SBCER_GPIO_CLK_EN,
.enable = syscon_clk_enable,
.disable = syscon_clk_disable,
};
static struct clk rtc_clk = {
.name = "RTC",
.parent = &slow_clk,
.rate = 32768,
.hw_ctrld = true,
.reset = true,
.res_reg = U300_SYSCON_VBASE + U300_SYSCON_RSR,
.res_mask = U300_SYSCON_RSR_RTC_RESET_EN,
/* This clock is always on, cannot be enabled/disabled */
};
static struct clk bustr_clk = {
.name = "BUSTR",
.parent = &slow_clk,
.rate = 13000000,
.hw_ctrld = true,
.reset = true,
.res_reg = U300_SYSCON_VBASE + U300_SYSCON_RSR,
.res_mask = U300_SYSCON_RSR_BTR_RESET_EN,
.clk_val = U300_SYSCON_SBCER_BTR_CLK_EN,
.enable = syscon_clk_enable,
.disable = syscon_clk_disable,
};
static struct clk evhist_clk = {
.name = "EVHIST",
.parent = &slow_clk,
.rate = 13000000,
.hw_ctrld = true,
.reset = true,
.res_reg = U300_SYSCON_VBASE + U300_SYSCON_RSR,
.res_mask = U300_SYSCON_RSR_EH_RESET_EN,
.clk_val = U300_SYSCON_SBCER_EH_CLK_EN,
.enable = syscon_clk_enable,
.disable = syscon_clk_disable,
};
static struct clk timer_clk = {
.name = "TIMER",
.parent = &slow_clk,
.rate = 13000000,
.hw_ctrld = true,
.reset = true,
.res_reg = U300_SYSCON_VBASE + U300_SYSCON_RSR,
.res_mask = U300_SYSCON_RSR_ACC_TMR_RESET_EN,
.clk_val = U300_SYSCON_SBCER_ACC_TMR_CLK_EN,
.enable = syscon_clk_enable,
.disable = syscon_clk_disable,
};
static struct clk app_timer_clk = {
.name = "TIMER_APP",
.parent = &slow_clk,
.rate = 13000000,
.hw_ctrld = true,
.reset = true,
.res_reg = U300_SYSCON_VBASE + U300_SYSCON_RSR,
.res_mask = U300_SYSCON_RSR_APP_TMR_RESET_EN,
.clk_val = U300_SYSCON_SBCER_APP_TMR_CLK_EN,
.enable = syscon_clk_enable,
.disable = syscon_clk_disable,
};
#ifdef CONFIG_MACH_U300_BS335
static struct clk ppm_clk = {
.name = "PPM",
.parent = &slow_clk,
.rate = 0, /* FIXME */
.hw_ctrld = true, /* TODO: Look up if it is hw ctrld or not */
.reset = true,
.res_reg = U300_SYSCON_VBASE + U300_SYSCON_RSR,
.res_mask = U300_SYSCON_RSR_PPM_RESET_EN,
.clk_val = U300_SYSCON_SBCER_PPM_CLK_EN,
.enable = syscon_clk_enable,
.disable = syscon_clk_disable,
};
#endif
#define DEF_LOOKUP(devid, clkref) \
{ \
.dev_id = devid, \
.clk = clkref, \
}
/*
* Here we only define clocks that are meaningful to
* look up through clockdevice.
*/
static struct clk_lookup lookups[] = {
/* Connected directly to the AMBA bus */
DEF_LOOKUP("amba", &amba_clk),
DEF_LOOKUP("cpu", &cpu_clk),
DEF_LOOKUP("nandif", &nandif_clk),
DEF_LOOKUP("semi", &semi_clk),
#ifdef CONFIG_MACH_U300_BS335
DEF_LOOKUP("isp", &isp_clk),
DEF_LOOKUP("cds", &cds_clk),
#endif
DEF_LOOKUP("dma", &dma_clk),
DEF_LOOKUP("aaif", &aaif_clk),
DEF_LOOKUP("apex", &apex_clk),
DEF_LOOKUP("video_enc", &video_enc_clk),
DEF_LOOKUP("xgam", &xgam_clk),
DEF_LOOKUP("ahb", &ahb_clk),
/* AHB bridge clocks */
DEF_LOOKUP("ahb", &ahb_subsys_clk),
DEF_LOOKUP("intcon", &intcon_clk),
DEF_LOOKUP("mspro", &mspro_clk),
DEF_LOOKUP("pl172", &emif_clk),
/* FAST bridge clocks */
DEF_LOOKUP("fast", &fast_clk),
DEF_LOOKUP("mmci", &mmcsd_clk),
/*
* The .0 and .1 identifiers on these comes from the platform device
* .id field and are assigned when the platform devices are registered.
*/
DEF_LOOKUP("i2s.0", &i2s0_clk),
DEF_LOOKUP("i2s.1", &i2s1_clk),
DEF_LOOKUP("stddci2c.0", &i2c0_clk),
DEF_LOOKUP("stddci2c.1", &i2c1_clk),
DEF_LOOKUP("pl022", &spi_clk),
#ifdef CONFIG_MACH_U300_BS335
DEF_LOOKUP("uart1", &uart1_clk),
#endif
/* SLOW bridge clocks */
DEF_LOOKUP("slow", &slow_clk),
DEF_LOOKUP("wdog", &wdog_clk),
DEF_LOOKUP("uart0", &uart_clk),
DEF_LOOKUP("apptimer", &app_timer_clk),
DEF_LOOKUP("keypad", &keypad_clk),
DEF_LOOKUP("u300-gpio", &gpio_clk),
DEF_LOOKUP("rtc0", &rtc_clk),
DEF_LOOKUP("bustr", &bustr_clk),
DEF_LOOKUP("evhist", &evhist_clk),
DEF_LOOKUP("timer", &timer_clk),
#ifdef CONFIG_MACH_U300_BS335
DEF_LOOKUP("ppm", &ppm_clk),
#endif
};
static void __init clk_register(void)
{
int i;
/* Register the lookups */
for (i = 0; i < ARRAY_SIZE(lookups); i++)
clkdev_add(&lookups[i]);
}
/*
* These are the clocks for cells registered as primecell drivers
* on the AMBA bus. These must be on during AMBA device registration
* since the bus probe will attempt to read magic configuration
* registers for these devices. If they are deactivated these probes
* will fail.
*
*
* Please note that on emif, both RAM and NAND is connected in dual
* RAM phones. On single RAM phones, ram is on semi and NAND on emif.
*
*/
void u300_clock_primecells(void)
{
clk_enable(&intcon_clk);
clk_enable(&uart_clk);
#ifdef CONFIG_MACH_U300_BS335
clk_enable(&uart1_clk);
#endif
clk_enable(&spi_clk);
clk_enable(&mmcsd_clk);
}
EXPORT_SYMBOL(u300_clock_primecells);
void u300_unclock_primecells(void)
{
clk_disable(&intcon_clk);
clk_disable(&uart_clk);
#ifdef CONFIG_MACH_U300_BS335
clk_disable(&uart1_clk);
#endif
clk_disable(&spi_clk);
clk_disable(&mmcsd_clk);
}
EXPORT_SYMBOL(u300_unclock_primecells);
/*
* The interrupt controller is enabled before the clock API is registered.
*/
void u300_enable_intcon_clock(void)
{
clk_enable(&intcon_clk);
}
EXPORT_SYMBOL(u300_enable_intcon_clock);
/*
* The timer is enabled before the clock API is registered.
*/
void u300_enable_timer_clock(void)
{
clk_enable(&app_timer_clk);
}
EXPORT_SYMBOL(u300_enable_timer_clock);
#if (defined(CONFIG_DEBUG_FS) && defined(CONFIG_U300_DEBUG))
/*
* The following makes it possible to view the status (especially
* reference count and reset status) for the clocks in the platform
* by looking into the special file <debugfs>/u300_clocks
*/
/* A list of all clocks in the platform */
static struct clk *clks[] = {
/* Top node clock for the AMBA bus */
&amba_clk,
/* Connected directly to the AMBA bus */
&cpu_clk,
&nandif_clk,
&semi_clk,
#ifdef CONFIG_MACH_U300_BS335
&isp_clk,
&cds_clk,
#endif
&dma_clk,
&aaif_clk,
&apex_clk,
&video_enc_clk,
&xgam_clk,
&ahb_clk,
/* AHB bridge clocks */
&ahb_subsys_clk,
&intcon_clk,
&mspro_clk,
&emif_clk,
/* FAST bridge clocks */
&fast_clk,
&mmcsd_clk,
&i2s0_clk,
&i2s1_clk,
&i2c0_clk,
&i2c1_clk,
&spi_clk,
#ifdef CONFIG_MACH_U300_BS335
&uart1_clk,
#endif
/* SLOW bridge clocks */
&slow_clk,
&wdog_clk,
&uart_clk,
&app_timer_clk,
&keypad_clk,
&gpio_clk,
&rtc_clk,
&bustr_clk,
&evhist_clk,
&timer_clk,
#ifdef CONFIG_MACH_U300_BS335
&ppm_clk,
#endif
};
static int u300_clocks_show(struct seq_file *s, void *data)
{
struct clk *clk;
int i;
seq_printf(s, "CLOCK DEVICE RESET STATE\t" \
"ACTIVE\tUSERS\tHW CTRL FREQ\n");
seq_printf(s, "---------------------------------------------" \
"-----------------------------------------\n");
for (i = 0; i < ARRAY_SIZE(clks); i++) {
clk = clks[i];
if (clk != ERR_PTR(-ENOENT)) {
/* Format clock and device name nicely */
char cdp[33];
int chars;
chars = snprintf(&cdp[0], 17, "%s", clk->name);
while (chars < 16) {
cdp[chars] = ' ';
chars++;
}
chars = snprintf(&cdp[16], 17, "%s", clk->dev ?
dev_name(clk->dev) : "N/A");
while (chars < 16) {
cdp[chars+16] = ' ';
chars++;
}
cdp[32] = '\0';
if (clk->get_rate)
seq_printf(s,
"%s%s\t%s\t%d\t%s\t%lu Hz\n",
&cdp[0],
clk->reset ?
"ASSERTED" : "RELEASED",
clk->usecount ? "ON" : "OFF",
clk->usecount,
clk->hw_ctrld ? "YES" : "NO ",
clk->get_rate(clk));
else
seq_printf(s,
"%s%s\t%s\t%d\t%s\t" \
"(unknown rate)\n",
&cdp[0],
clk->reset ?
"ASSERTED" : "RELEASED",
clk->usecount ? "ON" : "OFF",
clk->usecount,
clk->hw_ctrld ? "YES" : "NO ");
}
}
return 0;
}
static int u300_clocks_open(struct inode *inode, struct file *file)
{
return single_open(file, u300_clocks_show, NULL);
}
static const struct file_operations u300_clocks_operations = {
.open = u300_clocks_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
static void init_clk_read_procfs(void)
{
/* Expose a simple debugfs interface to view all clocks */
(void) debugfs_create_file("u300_clocks", S_IFREG | S_IRUGO,
NULL, NULL, &u300_clocks_operations);
}
#else
static inline void init_clk_read_procfs(void)
{
}
#endif
static int __init u300_clock_init(void)
{
u16 val;
/*
* FIXME: shall all this powermanagement stuff really live here???
*/
/* Set system to run at PLL208, max performance, a known state. */
val = readw(U300_SYSCON_VBASE + U300_SYSCON_CCR);
val &= ~U300_SYSCON_CCR_CLKING_PERFORMANCE_MASK;
writew(val, U300_SYSCON_VBASE + U300_SYSCON_CCR);
/* Wait for the PLL208 to lock if not locked in yet */
while (!(readw(U300_SYSCON_VBASE + U300_SYSCON_CSR) &
U300_SYSCON_CSR_PLL208_LOCK_IND));
/* Power management enable */
val = readw(U300_SYSCON_VBASE + U300_SYSCON_PMCR);
val |= U300_SYSCON_PMCR_PWR_MGNT_ENABLE;
writew(val, U300_SYSCON_VBASE + U300_SYSCON_PMCR);
clk_register();
init_clk_read_procfs();
/*
* Some of these may be on when we boot the system so make sure they
* are turned OFF.
*/
syscon_block_reset_enable(&timer_clk);
timer_clk.disable(&timer_clk);
/*
* These shall be turned on by default when we boot the system
* so make sure they are ON. (Adding CPU here is a bit too much.)
* These clocks will be claimed by drivers later.
*/
syscon_block_reset_disable(&semi_clk);
syscon_block_reset_disable(&emif_clk);
semi_clk.enable(&semi_clk);
emif_clk.enable(&emif_clk);
return 0;
}
/* initialize clocking early to be available later in the boot */
core_initcall(u300_clock_init);
arch/arm/mach-u300/clock.h 0 → 100644
View file @ b7c11ec9
/*
* arch/arm/mach-u300/include/mach/clock.h
*
* Copyright (C) 2004 - 2005 Nokia corporation
* Written by Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com>
* Based on clocks.h by Tony Lindgren, Gordon McNutt and RidgeRun, Inc
* Copyright (C) 2007-2009 ST-Ericsson AB
* Adopted to ST-Ericsson U300 platforms by
* Jonas Aaberg <jonas.aberg@stericsson.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
*/
#ifndef __MACH_CLOCK_H
#define __MACH_CLOCK_H
#include <linux/clk.h>
struct clk {
struct list_head node;
struct module *owner;
struct device *dev;
const char *name;
struct clk *parent;
spinlock_t lock;
unsigned long rate;
bool reset;
__u16 clk_val;
__s8 usecount;
__u32 res_reg;
__u16 res_mask;
bool hw_ctrld;
void (*recalc) (struct clk *);
int (*set_rate) (struct clk *, unsigned long);
unsigned long (*get_rate) (struct clk *);
unsigned long (*round_rate) (struct clk *, unsigned long);
void (*init) (struct clk *);
void (*enable) (struct clk *);
void (*disable) (struct clk *);
};
void u300_clock_primecells(void);
void u300_unclock_primecells(void);
void u300_enable_intcon_clock(void);
void u300_enable_timer_clock(void);
#endif
arch/arm/mach-u300/core.c 0 → 100644
View file @ b7c11ec9
/*
*
* arch/arm/mach-u300/core.c
*
*
* Copyright (C) 2007-2009 ST-Ericsson AB
* License terms: GNU General Public License (GPL) version 2
* Core platform support, IRQ handling and device definitions.
* Author: Linus Walleij <linus.walleij@stericsson.com>
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/spinlock.h>
#include <linux/interrupt.h>
#include <linux/bitops.h>
#include <linux/device.h>
#include <linux/mm.h>
#include <linux/termios.h>
#include <linux/amba/bus.h>
#include <linux/platform_device.h>
#include <linux/gpio.h>
#include <asm/types.h>
#include <asm/setup.h>
#include <asm/memory.h>
#include <asm/hardware/vic.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
#include <mach/hardware.h>
#include <mach/syscon.h>
#include "clock.h"
#include "mmc.h"
/*
* Static I/O mappings that are needed for booting the U300 platforms. The
* only things we need are the areas where we find the timer, syscon and
* intcon, since the remaining device drivers will map their own memory
* physical to virtual as the need arise.
*/
static struct map_desc u300_io_desc[] __initdata = {
{
.virtual = U300_SLOW_PER_VIRT_BASE,
.pfn = __phys_to_pfn(U300_SLOW_PER_PHYS_BASE),
.length = SZ_64K,
.type = MT_DEVICE,
},
{
.virtual = U300_AHB_PER_VIRT_BASE,
.pfn = __phys_to_pfn(U300_AHB_PER_PHYS_BASE),
.length = SZ_32K,
.type = MT_DEVICE,
},
{
.virtual = U300_FAST_PER_VIRT_BASE,
.pfn = __phys_to_pfn(U300_FAST_PER_PHYS_BASE),
.length = SZ_32K,
.type = MT_DEVICE,
},
{
.virtual = 0xffff2000, /* TCM memory */
.pfn = __phys_to_pfn(0xffff2000),
.length = SZ_16K,
.type = MT_DEVICE,
},
/*
* This overlaps with the IRQ vectors etc at 0xffff0000, so these
* may have to be moved to 0x00000000 in order to use the ROM.
*/
/*
{
.virtual = U300_BOOTROM_VIRT_BASE,
.pfn = __phys_to_pfn(U300_BOOTROM_PHYS_BASE),
.length = SZ_64K,
.type = MT_ROM,
},
*/
};
void __init u300_map_io(void)
{
iotable_init(u300_io_desc, ARRAY_SIZE(u300_io_desc));
}
/*
* Declaration of devices found on the U300 board and
* their respective memory locations.
*/
static struct amba_device uart0_device = {
.dev = {
.init_name = "uart0", /* Slow device at 0x3000 offset */
.platform_data = NULL,
},
.res = {
.start = U300_UART0_BASE,
.end = U300_UART0_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
.irq = { IRQ_U300_UART0, NO_IRQ },
};
/* The U335 have an additional UART1 on the APP CPU */
#ifdef CONFIG_MACH_U300_BS335
static struct amba_device uart1_device = {
.dev = {
.init_name = "uart1", /* Fast device at 0x7000 offset */
.platform_data = NULL,
},
.res = {
.start = U300_UART1_BASE,
.end = U300_UART1_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
.irq = { IRQ_U300_UART1, NO_IRQ },
};
#endif
static struct amba_device pl172_device = {
.dev = {
.init_name = "pl172", /* AHB device at 0x4000 offset */
.platform_data = NULL,
},
.res = {
.start = U300_EMIF_CFG_BASE,
.end = U300_EMIF_CFG_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
};
/*
* Everything within this next ifdef deals with external devices connected to
* the APP SPI bus.
*/
static struct amba_device pl022_device = {
.dev = {
.coherent_dma_mask = ~0,
.init_name = "pl022", /* Fast device at 0x6000 offset */
},
.res = {
.start = U300_SPI_BASE,
.end = U300_SPI_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
.irq = {IRQ_U300_SPI, NO_IRQ },
/*
* This device has a DMA channel but the Linux driver does not use
* it currently.
*/
};
static struct amba_device mmcsd_device = {
.dev = {
.init_name = "mmci", /* Fast device at 0x1000 offset */
.platform_data = NULL, /* Added later */
},
.res = {
.start = U300_MMCSD_BASE,
.end = U300_MMCSD_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
.irq = {IRQ_U300_MMCSD_MCIINTR0, IRQ_U300_MMCSD_MCIINTR1 },
/*
* This device has a DMA channel but the Linux driver does not use
* it currently.
*/
};
/*
* The order of device declaration may be important, since some devices
* have dependencies on other devices being initialized first.
*/
static struct amba_device *amba_devs[] __initdata = {
&uart0_device,
#ifdef CONFIG_MACH_U300_BS335
&uart1_device,
#endif
&pl022_device,
&pl172_device,
&mmcsd_device,
};
/* Here follows a list of all hw resources that the platform devices
* allocate. Note, clock dependencies are not included
*/
static struct resource gpio_resources[] = {
{
.start = U300_GPIO_BASE,
.end = (U300_GPIO_BASE + SZ_4K - 1),
.flags = IORESOURCE_MEM,
},
{
.name = "gpio0",
.start = IRQ_U300_GPIO_PORT0,
.end = IRQ_U300_GPIO_PORT0,
.flags = IORESOURCE_IRQ,
},
{
.name = "gpio1",
.start = IRQ_U300_GPIO_PORT1,
.end = IRQ_U300_GPIO_PORT1,
.flags = IORESOURCE_IRQ,
},
{
.name = "gpio2",
.start = IRQ_U300_GPIO_PORT2,
.end = IRQ_U300_GPIO_PORT2,
.flags = IORESOURCE_IRQ,
},
#ifdef U300_COH901571_3
{
.name = "gpio3",
.start = IRQ_U300_GPIO_PORT3,
.end = IRQ_U300_GPIO_PORT3,
.flags = IORESOURCE_IRQ,
},
{
.name = "gpio4",
.start = IRQ_U300_GPIO_PORT4,
.end = IRQ_U300_GPIO_PORT4,
.flags = IORESOURCE_IRQ,
},
#ifdef CONFIG_MACH_U300_BS335
{
.name = "gpio5",
.start = IRQ_U300_GPIO_PORT5,
.end = IRQ_U300_GPIO_PORT5,
.flags = IORESOURCE_IRQ,
},
{
.name = "gpio6",
.start = IRQ_U300_GPIO_PORT6,
.end = IRQ_U300_GPIO_PORT6,
.flags = IORESOURCE_IRQ,
},
#endif /* CONFIG_MACH_U300_BS335 */
#endif /* U300_COH901571_3 */
};
static struct resource keypad_resources[] = {
{
.start = U300_KEYPAD_BASE,
.end = U300_KEYPAD_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
{
.name = "coh901461-press",
.start = IRQ_U300_KEYPAD_KEYBF,
.end = IRQ_U300_KEYPAD_KEYBF,
.flags = IORESOURCE_IRQ,
},
{
.name = "coh901461-release",
.start = IRQ_U300_KEYPAD_KEYBR,
.end = IRQ_U300_KEYPAD_KEYBR,
.flags = IORESOURCE_IRQ,
},
};
static struct resource rtc_resources[] = {
{
.start = U300_RTC_BASE,
.end = U300_RTC_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
{
.start = IRQ_U300_RTC,
.end = IRQ_U300_RTC,
.flags = IORESOURCE_IRQ,
},
};
/*
* Fsmc does have IRQs: #43 and #44 (NFIF and NFIF2)
* but these are not yet used by the driver.
*/
static struct resource fsmc_resources[] = {
{
.start = U300_NAND_IF_PHYS_BASE,
.end = U300_NAND_IF_PHYS_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
};
static struct resource i2c0_resources[] = {
{
.start = U300_I2C0_BASE,
.end = U300_I2C0_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
{
.start = IRQ_U300_I2C0,
.end = IRQ_U300_I2C0,
.flags = IORESOURCE_IRQ,
},
};
static struct resource i2c1_resources[] = {
{
.start = U300_I2C1_BASE,
.end = U300_I2C1_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
{
.start = IRQ_U300_I2C1,
.end = IRQ_U300_I2C1,
.flags = IORESOURCE_IRQ,
},
};
static struct resource wdog_resources[] = {
{
.start = U300_WDOG_BASE,
.end = U300_WDOG_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
{
.start = IRQ_U300_WDOG,
.end = IRQ_U300_WDOG,
.flags = IORESOURCE_IRQ,
}
};
/* TODO: These should be protected by suitable #ifdef's */
static struct resource ave_resources[] = {
{
.name = "AVE3e I/O Area",
.start = U300_VIDEOENC_BASE,
.end = U300_VIDEOENC_BASE + SZ_512K - 1,
.flags = IORESOURCE_MEM,
},
{
.name = "AVE3e IRQ0",
.start = IRQ_U300_VIDEO_ENC_0,
.end = IRQ_U300_VIDEO_ENC_0,
.flags = IORESOURCE_IRQ,
},
{
.name = "AVE3e IRQ1",
.start = IRQ_U300_VIDEO_ENC_1,
.end = IRQ_U300_VIDEO_ENC_1,
.flags = IORESOURCE_IRQ,
},
{
.name = "AVE3e Physmem Area",
.start = 0, /* 0 will be remapped to reserved memory */
.end = SZ_1M - 1,
.flags = IORESOURCE_MEM,
},
/*
* The AVE3e requires two regions of 256MB that it considers
* "invisible". The hardware will not be able to access these
* adresses, so they should never point to system RAM.
*/
{
.name = "AVE3e Reserved 0",
.start = 0xd0000000,
.end = 0xd0000000 + SZ_256M - 1,
.flags = IORESOURCE_MEM,
},
{
.name = "AVE3e Reserved 1",
.start = 0xe0000000,
.end = 0xe0000000 + SZ_256M - 1,
.flags = IORESOURCE_MEM,
},
};
static struct platform_device wdog_device = {
.name = "wdog",
.id = -1,
.num_resources = ARRAY_SIZE(wdog_resources),
.resource = wdog_resources,
};
static struct platform_device i2c0_device = {
.name = "stddci2c",
.id = 0,
.num_resources = ARRAY_SIZE(i2c0_resources),
.resource = i2c0_resources,
};
static struct platform_device i2c1_device = {
.name = "stddci2c",
.id = 1,
.num_resources = ARRAY_SIZE(i2c1_resources),
.resource = i2c1_resources,
};
static struct platform_device gpio_device = {
.name = "u300-gpio",
.id = -1,
.num_resources = ARRAY_SIZE(gpio_resources),
.resource = gpio_resources,
};
static struct platform_device keypad_device = {
.name = "keypad",
.id = -1,
.num_resources = ARRAY_SIZE(keypad_resources),
.resource = keypad_resources,
};
static struct platform_device rtc_device = {
.name = "rtc0",
.id = -1,
.num_resources = ARRAY_SIZE(rtc_resources),
.resource = rtc_resources,
};
static struct platform_device fsmc_device = {
.name = "nandif",
.id = -1,
.num_resources = ARRAY_SIZE(fsmc_resources),
.resource = fsmc_resources,
};
static struct platform_device ave_device = {
.name = "video_enc",
.id = -1,
.num_resources = ARRAY_SIZE(ave_resources),
.resource = ave_resources,
};
/*
* Notice that AMBA devices are initialized before platform devices.
*
*/
static struct platform_device *platform_devs[] __initdata = {
&i2c0_device,
&i2c1_device,
&keypad_device,
&rtc_device,
&gpio_device,
&fsmc_device,
&wdog_device,
&ave_device
};
/*
* Interrupts: the U300 platforms have two pl190 ARM PrimeCells connected
* together so some interrupts are connected to the first one and some
* to the second one.
*/
void __init u300_init_irq(void)
{
u32 mask[2] = {0, 0};
int i;
for (i = 0; i < NR_IRQS; i++)
set_bit(i, (unsigned long *) &mask[0]);
u300_enable_intcon_clock();
vic_init((void __iomem *) U300_INTCON0_VBASE, 0, mask[0], 0);
vic_init((void __iomem *) U300_INTCON1_VBASE, 32, mask[1], 0);
}
/*
* U300 platforms peripheral handling
*/
struct db_chip {
u16 chipid;
const char *name;
};
/*
* This is a list of the Digital Baseband chips used in the U300 platform.
*/
static struct db_chip db_chips[] __initdata = {
{
.chipid = 0xb800,
.name = "DB3000",
},
{
.chipid = 0xc000,
.name = "DB3100",
},
{
.chipid = 0xc800,
.name = "DB3150",
},
{
.chipid = 0xd800,
.name = "DB3200",
},
{
.chipid = 0xe000,
.name = "DB3250",
},
{
.chipid = 0xe800,
.name = "DB3210",
},
{
.chipid = 0xf000,
.name = "DB3350 P1x",
},
{
.chipid = 0xf100,
.name = "DB3350 P2x",
},
{
.chipid = 0x0000, /* List terminator */
.name = NULL,
}
};
static void u300_init_check_chip(void)
{
u16 val;
struct db_chip *chip;
const char *chipname;
const char unknown[] = "UNKNOWN";
/* Read out and print chip ID */
val = readw(U300_SYSCON_VBASE + U300_SYSCON_CIDR);
/* This is in funky bigendian order... */
val = (val & 0xFFU) << 8 | (val >> 8);
chip = db_chips;
chipname = unknown;
for ( ; chip->chipid; chip++) {
if (chip->chipid == (val & 0xFF00U)) {
chipname = chip->name;
break;
}
}
printk(KERN_INFO "Initializing U300 system on %s baseband chip " \
"(chip ID 0x%04x)\n", chipname, val);
#ifdef CONFIG_MACH_U300_BS26
if ((val & 0xFF00U) != 0xc800) {
printk(KERN_ERR "Platform configured for BS25/BS26 " \
"with DB3150 but %s detected, expect problems!",
chipname);
}
#endif
#ifdef CONFIG_MACH_U300_BS330
if ((val & 0xFF00U) != 0xd800) {
printk(KERN_ERR "Platform configured for BS330 " \
"with DB3200 but %s detected, expect problems!",
chipname);
}
#endif
#ifdef CONFIG_MACH_U300_BS335
if ((val & 0xFF00U) != 0xf000 && (val & 0xFF00U) != 0xf100) {
printk(KERN_ERR "Platform configured for BS365 " \
" with DB3350 but %s detected, expect problems!",
chipname);
}
#endif
#ifdef CONFIG_MACH_U300_BS365
if ((val & 0xFF00U) != 0xe800) {
printk(KERN_ERR "Platform configured for BS365 " \
"with DB3210 but %s detected, expect problems!",
chipname);
}
#endif
}
/*
* Some devices and their resources require reserved physical memory from
* the end of the available RAM. This function traverses the list of devices
* and assigns actual adresses to these.
*/
static void __init u300_assign_physmem(void)
{
unsigned long curr_start = __pa(high_memory);
int i, j;
for (i = 0; i < ARRAY_SIZE(platform_devs); i++) {
for (j = 0; j < platform_devs[i]->num_resources; j++) {
struct resource *const res =
&platform_devs[i]->resource[j];
if (IORESOURCE_MEM == res->flags &&
0 == res->start) {
res->start = curr_start;
res->end += curr_start;
curr_start += (res->end - res->start + 1);
printk(KERN_INFO "core.c: Mapping RAM " \
"%#x-%#x to device %s:%s\n",
res->start, res->end,
platform_devs[i]->name, res->name);
}
}
}
}
void __init u300_init_devices(void)
{
int i;
u16 val;
/* Check what platform we run and print some status information */
u300_init_check_chip();
/* Set system to run at PLL208, max performance, a known state. */
val = readw(U300_SYSCON_VBASE + U300_SYSCON_CCR);
val &= ~U300_SYSCON_CCR_CLKING_PERFORMANCE_MASK;
writew(val, U300_SYSCON_VBASE + U300_SYSCON_CCR);
/* Wait for the PLL208 to lock if not locked in yet */
while (!(readw(U300_SYSCON_VBASE + U300_SYSCON_CSR) &
U300_SYSCON_CSR_PLL208_LOCK_IND));
/* Register the AMBA devices in the AMBA bus abstraction layer */
u300_clock_primecells();
for (i = 0; i < ARRAY_SIZE(amba_devs); i++) {
struct amba_device *d = amba_devs[i];
amba_device_register(d, &iomem_resource);
}
u300_unclock_primecells();
u300_assign_physmem();
/* Register the platform devices */
platform_add_devices(platform_devs, ARRAY_SIZE(platform_devs));
#ifndef CONFIG_MACH_U300_SEMI_IS_SHARED
/*
* Enable SEMI self refresh. Self-refresh of the SDRAM is entered when
* both subsystems are requesting this mode.
* If we not share the Acc SDRAM, this is never the case. Therefore
* enable it here from the App side.
*/
val = readw(U300_SYSCON_VBASE + U300_SYSCON_SMCR) |
U300_SYSCON_SMCR_SEMI_SREFREQ_ENABLE;
writew(val, U300_SYSCON_VBASE + U300_SYSCON_SMCR);
#endif /* CONFIG_MACH_U300_SEMI_IS_SHARED */
}
static int core_module_init(void)
{
/*
* This needs to be initialized later: it needs the input framework
* to be initialized first.
*/
return mmc_init(&mmcsd_device);
}
module_init(core_module_init);
arch/arm/mach-u300/gpio.c 0 → 100644
View file @ b7c11ec9
/*
*
* arch/arm/mach-u300/gpio.c
*
*
* Copyright (C) 2007-2009 ST-Ericsson AB
* License terms: GNU General Public License (GPL) version 2
* U300 GPIO module.
* This can driver either of the two basic GPIO cores
* available in the U300 platforms:
* COH 901 335 - Used in DB3150 (U300 1.0) and DB3200 (U330 1.0)
* COH 901 571/3 - Used in DB3210 (U365 2.0) and DB3350 (U335 1.0)
* Notice that you also have inline macros in <asm-arch/gpio.h>
* Author: Linus Walleij <linus.walleij@stericsson.com>
* Author: Jonas Aaberg <jonas.aberg@stericsson.com>
*
*/
#include <linux/module.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/errno.h>
#include <linux/io.h>
#include <linux/clk.h>
#include <linux/err.h>
#include <linux/platform_device.h>
#include <linux/gpio.h>
/* Need access to SYSCON registers for PADmuxing */
#include <mach/syscon.h>
#include "padmux.h"
/* Reference to GPIO block clock */
static struct clk *clk;
/* Memory resource */
static struct resource *memres;
static void __iomem *virtbase;
static struct device *gpiodev;
struct u300_gpio_port {
const char *name;
int irq;
int number;
};
static struct u300_gpio_port gpio_ports[] = {
{
.name = "gpio0",
.number = 0,
},
{
.name = "gpio1",
.number = 1,
},
{
.name = "gpio2",
.number = 2,
},
#ifdef U300_COH901571_3
{
.name = "gpio3",
.number = 3,
},
{
.name = "gpio4",
.number = 4,
},
#ifdef CONFIG_MACH_U300_BS335
{
.name = "gpio5",
.number = 5,
},
{
.name = "gpio6",
.number = 6,
},
#endif
#endif
};
#ifdef U300_COH901571_3
/* Default input value */
#define DEFAULT_OUTPUT_LOW 0
#define DEFAULT_OUTPUT_HIGH 1
/* GPIO Pull-Up status */
#define DISABLE_PULL_UP 0
#define ENABLE_PULL_UP 1
#define GPIO_NOT_USED 0
#define GPIO_IN 1
#define GPIO_OUT 2
struct u300_gpio_configuration_data {
unsigned char pin_usage;
unsigned char default_output_value;
unsigned char pull_up;
};
/* Initial configuration */
const struct u300_gpio_configuration_data
u300_gpio_config[U300_GPIO_NUM_PORTS][U300_GPIO_PINS_PER_PORT] = {
#ifdef CONFIG_MACH_U300_BS335
/* Port 0, pins 0-7 */
{
{GPIO_IN, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_OUT, DEFAULT_OUTPUT_HIGH, DISABLE_PULL_UP},
{GPIO_IN, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_OUT, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_OUT, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_OUT, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_OUT, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_OUT, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP}
},
/* Port 1, pins 0-7 */
{
{GPIO_OUT, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_OUT, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_OUT, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_IN, DEFAULT_OUTPUT_LOW, ENABLE_PULL_UP},
{GPIO_IN, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_OUT, DEFAULT_OUTPUT_HIGH, DISABLE_PULL_UP},
{GPIO_OUT, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_OUT, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP}
},
/* Port 2, pins 0-7 */
{
{GPIO_IN, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_IN, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_IN, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_IN, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_OUT, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_IN, DEFAULT_OUTPUT_LOW, ENABLE_PULL_UP},
{GPIO_OUT, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_IN, DEFAULT_OUTPUT_LOW, ENABLE_PULL_UP}
},
/* Port 3, pins 0-7 */
{
{GPIO_IN, DEFAULT_OUTPUT_LOW, ENABLE_PULL_UP},
{GPIO_OUT, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_IN, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_IN, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_IN, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_IN, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_IN, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_IN, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP}
},
/* Port 4, pins 0-7 */
{
{GPIO_IN, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_IN, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_IN, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_IN, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_IN, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_IN, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_IN, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_IN, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP}
},
/* Port 5, pins 0-7 */
{
{GPIO_IN, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_IN, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_IN, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_IN, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_IN, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_IN, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_IN, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_IN, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP}
},
/* Port 6, pind 0-7 */
{
{GPIO_IN, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_IN, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_IN, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_IN, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_IN, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_IN, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_IN, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_IN, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP}
}
#endif
#ifdef CONFIG_MACH_U300_BS365
/* Port 0, pins 0-7 */
{
{GPIO_IN, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_OUT, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_IN, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_OUT, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_OUT, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_OUT, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_IN, DEFAULT_OUTPUT_LOW, ENABLE_PULL_UP},
{GPIO_IN, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP}
},
/* Port 1, pins 0-7 */
{
{GPIO_OUT, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_IN, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_OUT, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_IN, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_IN, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_OUT, DEFAULT_OUTPUT_HIGH, DISABLE_PULL_UP},
{GPIO_OUT, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_OUT, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP}
},
/* Port 2, pins 0-7 */
{
{GPIO_IN, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_IN, DEFAULT_OUTPUT_LOW, ENABLE_PULL_UP},
{GPIO_OUT, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_OUT, DEFAULT_OUTPUT_LOW, DISABLE_PULL_UP},
{GPIO_IN, DEFAULT_OUTPUT_LOW, ENABLE_PULL_UP},
{GPIO_IN, DEFAULT_OUTPUT_LOW, ENABLE_PULL_UP},
{GPIO_IN, DEFAULT_OUTPUT_LOW, ENABLE_PULL_UP},
{GPIO_IN, DEFAULT_OUTPUT_LOW, ENABLE_PULL_UP}
},
/* Port 3, pins 0-7 */
{
{GPIO_IN, DEFAULT_OUTPUT_LOW, ENABLE_PULL_UP},
{GPIO_IN, DEFAULT_OUTPUT_LOW, ENABLE_PULL_UP},
{GPIO_IN, DEFAULT_OUTPUT_LOW, ENABLE_PULL_UP},
{GPIO_IN, DEFAULT_OUTPUT_LOW, ENABLE_PULL_UP},
{GPIO_IN, DEFAULT_OUTPUT_LOW, ENABLE_PULL_UP},
{GPIO_IN, DEFAULT_OUTPUT_LOW, ENABLE_PULL_UP},
{GPIO_IN, DEFAULT_OUTPUT_LOW, ENABLE_PULL_UP},
{GPIO_IN, DEFAULT_OUTPUT_LOW, ENABLE_PULL_UP}
},
/* Port 4, pins 0-7 */
{
{GPIO_IN, DEFAULT_OUTPUT_LOW, ENABLE_PULL_UP},
{GPIO_IN, DEFAULT_OUTPUT_LOW, ENABLE_PULL_UP},
{GPIO_IN, DEFAULT_OUTPUT_LOW, ENABLE_PULL_UP},
{GPIO_IN, DEFAULT_OUTPUT_LOW, ENABLE_PULL_UP},
/* These 4 pins doesn't exist on DB3210 */
{GPIO_OUT, DEFAULT_OUTPUT_LOW, ENABLE_PULL_UP},
{GPIO_OUT, DEFAULT_OUTPUT_LOW, ENABLE_PULL_UP},
{GPIO_OUT, DEFAULT_OUTPUT_LOW, ENABLE_PULL_UP},
{GPIO_OUT, DEFAULT_OUTPUT_LOW, ENABLE_PULL_UP}
}
#endif
};
#endif
/* No users == we can power down GPIO */
static int gpio_users;
struct gpio_struct {
int (*callback)(void *);
void *data;
int users;
};
static struct gpio_struct gpio_pin[U300_GPIO_MAX];
/*
* Let drivers register callback in order to get notified when there is
* an interrupt on the gpio pin
*/
int gpio_register_callback(unsigned gpio, int (*func)(void *arg), void *data)
{
if (gpio_pin[gpio].callback)
dev_warn(gpiodev, "%s: WARNING: callback already "
"registered for gpio pin#%d\n", __func__, gpio);
gpio_pin[gpio].callback = func;
gpio_pin[gpio].data = data;
return 0;
}
EXPORT_SYMBOL(gpio_register_callback);
int gpio_unregister_callback(unsigned gpio)
{
if (!gpio_pin[gpio].callback)
dev_warn(gpiodev, "%s: WARNING: callback already "
"unregistered for gpio pin#%d\n", __func__, gpio);
gpio_pin[gpio].callback = NULL;
gpio_pin[gpio].data = NULL;
return 0;
}
EXPORT_SYMBOL(gpio_unregister_callback);
int gpio_request(unsigned gpio, const char *label)
{
if (gpio_pin[gpio].users)
return -EINVAL;
else
gpio_pin[gpio].users++;
gpio_users++;
return 0;
}
EXPORT_SYMBOL(gpio_request);
void gpio_free(unsigned gpio)
{
gpio_users--;
gpio_pin[gpio].users--;
if (unlikely(gpio_pin[gpio].users < 0)) {
dev_warn(gpiodev, "warning: gpio#%d release mismatch\n",
gpio);
gpio_pin[gpio].users = 0;
}
return;
}
EXPORT_SYMBOL(gpio_free);
/* This returns zero or nonzero */
int gpio_get_value(unsigned gpio)
{
return readl(virtbase + U300_GPIO_PXPDIR +
PIN_TO_PORT(gpio) * U300_GPIO_PORTX_SPACING) & (1 << (gpio & 0x07));
}
EXPORT_SYMBOL(gpio_get_value);
/*
* We hope that the compiler will optimize away the unused branch
* in case "value" is a constant
*/
void gpio_set_value(unsigned gpio, int value)
{
u32 val;
unsigned long flags;
local_irq_save(flags);
if (value) {
/* set */
val = readl(virtbase + U300_GPIO_PXPDOR +
PIN_TO_PORT(gpio) * U300_GPIO_PORTX_SPACING)
& (1 << (gpio & 0x07));
writel(val | (1 << (gpio & 0x07)), virtbase +
U300_GPIO_PXPDOR +
PIN_TO_PORT(gpio) * U300_GPIO_PORTX_SPACING);
} else {
/* clear */
val = readl(virtbase + U300_GPIO_PXPDOR +
PIN_TO_PORT(gpio) * U300_GPIO_PORTX_SPACING)
& (1 << (gpio & 0x07));
writel(val & ~(1 << (gpio & 0x07)), virtbase +
U300_GPIO_PXPDOR +
PIN_TO_PORT(gpio) * U300_GPIO_PORTX_SPACING);
}
local_irq_restore(flags);
}
EXPORT_SYMBOL(gpio_set_value);
int gpio_direction_input(unsigned gpio)
{
unsigned long flags;
u32 val;
if (gpio > U300_GPIO_MAX)
return -EINVAL;
local_irq_save(flags);
val = readl(virtbase + U300_GPIO_PXPCR + PIN_TO_PORT(gpio) *
U300_GPIO_PORTX_SPACING);
/* Mask out this pin*/
val &= ~(U300_GPIO_PXPCR_PIN_MODE_MASK << ((gpio & 0x07) << 1));
/* This is not needed since it sets the bits to zero.*/
/* val |= (U300_GPIO_PXPCR_PIN_MODE_INPUT << (gpio*2)); */
writel(val, virtbase + U300_GPIO_PXPCR + PIN_TO_PORT(gpio) *
U300_GPIO_PORTX_SPACING);
local_irq_restore(flags);
return 0;
}
EXPORT_SYMBOL(gpio_direction_input);
int gpio_direction_output(unsigned gpio, int value)
{
unsigned long flags;
u32 val;
if (gpio > U300_GPIO_MAX)
return -EINVAL;
local_irq_save(flags);
val = readl(virtbase + U300_GPIO_PXPCR + PIN_TO_PORT(gpio) *
U300_GPIO_PORTX_SPACING);
/* Mask out this pin */
val &= ~(U300_GPIO_PXPCR_PIN_MODE_MASK << ((gpio & 0x07) << 1));
/*
* FIXME: configure for push/pull, open drain or open source per pin
* in setup. The current driver will only support push/pull.
*/
val |= (U300_GPIO_PXPCR_PIN_MODE_OUTPUT_PUSH_PULL
<< ((gpio & 0x07) << 1));
writel(val, virtbase + U300_GPIO_PXPCR + PIN_TO_PORT(gpio) *
U300_GPIO_PORTX_SPACING);
gpio_set_value(gpio, value);
local_irq_restore(flags);
return 0;
}
EXPORT_SYMBOL(gpio_direction_output);
/*
* Enable an IRQ, edge is rising edge (!= 0) or falling edge (==0).
*/
void enable_irq_on_gpio_pin(unsigned gpio, int edge)
{
u32 val;
unsigned long flags;
local_irq_save(flags);
val = readl(virtbase + U300_GPIO_PXIEN + PIN_TO_PORT(gpio) *
U300_GPIO_PORTX_SPACING);
val |= (1 << (gpio & 0x07));
writel(val, virtbase + U300_GPIO_PXIEN + PIN_TO_PORT(gpio) *
U300_GPIO_PORTX_SPACING);
val = readl(virtbase + U300_GPIO_PXICR + PIN_TO_PORT(gpio) *
U300_GPIO_PORTX_SPACING);
if (edge)
val |= (1 << (gpio & 0x07));
else
val &= ~(1 << (gpio & 0x07));
writel(val, virtbase + U300_GPIO_PXICR + PIN_TO_PORT(gpio) *
U300_GPIO_PORTX_SPACING);
local_irq_restore(flags);
}
EXPORT_SYMBOL(enable_irq_on_gpio_pin);
void disable_irq_on_gpio_pin(unsigned gpio)
{
u32 val;
unsigned long flags;
local_irq_save(flags);
val = readl(virtbase + U300_GPIO_PXIEN + PIN_TO_PORT(gpio) *
U300_GPIO_PORTX_SPACING);
val &= ~(1 << (gpio & 0x07));
writel(val, virtbase + U300_GPIO_PXIEN + PIN_TO_PORT(gpio) *
U300_GPIO_PORTX_SPACING);
local_irq_restore(flags);
}
EXPORT_SYMBOL(disable_irq_on_gpio_pin);
/* Enable (value == 0) or disable (value == 1) internal pullup */
void gpio_pullup(unsigned gpio, int value)
{
u32 val;
unsigned long flags;
local_irq_save(flags);
if (value) {
val = readl(virtbase + U300_GPIO_PXPER + PIN_TO_PORT(gpio) *
U300_GPIO_PORTX_SPACING);
writel(val | (1 << (gpio & 0x07)), virtbase + U300_GPIO_PXPER +
PIN_TO_PORT(gpio) * U300_GPIO_PORTX_SPACING);
} else {
val = readl(virtbase + U300_GPIO_PXPER + PIN_TO_PORT(gpio) *
U300_GPIO_PORTX_SPACING);
writel(val & ~(1 << (gpio & 0x07)), virtbase + U300_GPIO_PXPER +
PIN_TO_PORT(gpio) * U300_GPIO_PORTX_SPACING);
}
local_irq_restore(flags);
}
EXPORT_SYMBOL(gpio_pullup);
static irqreturn_t gpio_irq_handler(int irq, void *dev_id)
{
struct u300_gpio_port *port = dev_id;
u32 val;
int pin;
/* Read event register */
val = readl(virtbase + U300_GPIO_PXIEV + port->number *
U300_GPIO_PORTX_SPACING);
/* Mask with enable register */
val &= readl(virtbase + U300_GPIO_PXIEV + port->number *
U300_GPIO_PORTX_SPACING);
/* Mask relevant bits */
val &= U300_GPIO_PXIEV_ALL_IRQ_EVENT_MASK;
/* ACK IRQ (clear event) */
writel(val, virtbase + U300_GPIO_PXIEV + port->number *
U300_GPIO_PORTX_SPACING);
/* Print message */
while (val != 0) {
unsigned gpio;
pin = __ffs(val);
/* mask off this pin */
val &= ~(1 << pin);
gpio = (port->number << 3) + pin;
if (gpio_pin[gpio].callback)
(void)gpio_pin[gpio].callback(gpio_pin[gpio].data);
else
dev_dbg(gpiodev, "stray GPIO IRQ on line %d\n",
gpio);
}
return IRQ_HANDLED;
}
static void gpio_set_initial_values(void)
{
#ifdef U300_COH901571_3
int i, j;
unsigned long flags;
u32 val;
/* Write default values to all pins */
for (i = 0; i < U300_GPIO_NUM_PORTS; i++) {
val = 0;
for (j = 0; j < 8; j++)
val |= (u32) (u300_gpio_config[i][j].default_output_value != DEFAULT_OUTPUT_LOW) << j;
local_irq_save(flags);
writel(val, virtbase + U300_GPIO_PXPDOR + i * U300_GPIO_PORTX_SPACING);
local_irq_restore(flags);
}
/*
* Put all pins that are set to either 'GPIO_OUT' or 'GPIO_NOT_USED'
* to output and 'GPIO_IN' to input for each port. And initalize
* default value on outputs.
*/
for (i = 0; i < U300_GPIO_NUM_PORTS; i++) {
for (j = 0; j < U300_GPIO_PINS_PER_PORT; j++) {
local_irq_save(flags);
val = readl(virtbase + U300_GPIO_PXPCR +
i * U300_GPIO_PORTX_SPACING);
/* Mask out this pin */
val &= ~(U300_GPIO_PXPCR_PIN_MODE_MASK << (j << 1));
if (u300_gpio_config[i][j].pin_usage != GPIO_IN)
val |= (U300_GPIO_PXPCR_PIN_MODE_OUTPUT_PUSH_PULL << (j << 1));
writel(val, virtbase + U300_GPIO_PXPCR +
i * U300_GPIO_PORTX_SPACING);
local_irq_restore(flags);
}
}
/* Enable or disable the internal pull-ups in the GPIO ASIC block */
for (i = 0; i < U300_GPIO_MAX; i++) {
val = 0;
for (j = 0; j < 8; j++)
val |= (u32)((u300_gpio_config[i][j].pull_up == DISABLE_PULL_UP)) << j;
local_irq_save(flags);
writel(val, virtbase + U300_GPIO_PXPER + i * U300_GPIO_PORTX_SPACING);
local_irq_restore(flags);
}
#endif
}
static int __init gpio_probe(struct platform_device *pdev)
{
u32 val;
int err = 0;
int i;
int num_irqs;
gpiodev = &pdev->dev;
memset(gpio_pin, 0, sizeof(gpio_pin));
/* Get GPIO clock */
clk = clk_get(&pdev->dev, NULL);
if (IS_ERR(clk)) {
err = PTR_ERR(clk);
dev_err(gpiodev, "could not get GPIO clock\n");
goto err_no_clk;
}
err = clk_enable(clk);
if (err) {
dev_err(gpiodev, "could not enable GPIO clock\n");
goto err_no_clk_enable;
}
memres = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!memres)
goto err_no_resource;
if (request_mem_region(memres->start, memres->end - memres->start, "GPIO Controller")
== NULL) {
err = -ENODEV;
goto err_no_ioregion;
}
virtbase = ioremap(memres->start, resource_size(memres));
if (!virtbase) {
err = -ENOMEM;
goto err_no_ioremap;
}
dev_info(gpiodev, "remapped 0x%08x to %p\n",
memres->start, virtbase);
#ifdef U300_COH901335
dev_info(gpiodev, "initializing GPIO Controller COH 901 335\n");
/* Turn on the GPIO block */
writel(U300_GPIO_CR_BLOCK_CLOCK_ENABLE, virtbase + U300_GPIO_CR);
#endif
#ifdef U300_COH901571_3
dev_info(gpiodev, "initializing GPIO Controller COH 901 571/3\n");
val = readl(virtbase + U300_GPIO_CR);
dev_info(gpiodev, "COH901571/3 block version: %d, " \
"number of cores: %d\n",
((val & 0x0000FE00) >> 9),
((val & 0x000001FC) >> 2));
writel(U300_GPIO_CR_BLOCK_CLKRQ_ENABLE, virtbase + U300_GPIO_CR);
#endif
/* Set up some padmuxing here */
#ifdef CONFIG_MMC
pmx_set_mission_mode_mmc();
#endif
#ifdef CONFIG_SPI_PL022
pmx_set_mission_mode_spi();
#endif
gpio_set_initial_values();
for (num_irqs = 0 ; num_irqs < U300_GPIO_NUM_PORTS; num_irqs++) {
gpio_ports[num_irqs].irq =
platform_get_irq_byname(pdev,
gpio_ports[num_irqs].name);
err = request_irq(gpio_ports[num_irqs].irq,
gpio_irq_handler, IRQF_DISABLED,
gpio_ports[num_irqs].name,
&gpio_ports[num_irqs]);
if (err) {
dev_err(gpiodev, "cannot allocate IRQ for %s!\n",
gpio_ports[num_irqs].name);
goto err_no_irq;
}
/* Turns off PortX_irq_force */
writel(0x0, virtbase + U300_GPIO_PXIFR +
num_irqs * U300_GPIO_PORTX_SPACING);
}
return 0;
err_no_irq:
for (i = 0; i < num_irqs; i++)
free_irq(gpio_ports[i].irq, &gpio_ports[i]);
iounmap(virtbase);
err_no_ioremap:
release_mem_region(memres->start, memres->end - memres->start);
err_no_ioregion:
err_no_resource:
clk_disable(clk);
err_no_clk_enable:
clk_put(clk);
err_no_clk:
dev_info(gpiodev, "module ERROR:%d\n", err);
return err;
}
static int __exit gpio_remove(struct platform_device *pdev)
{
int i;
/* Turn off the GPIO block */
writel(0x00000000U, virtbase + U300_GPIO_CR);
for (i = 0 ; i < U300_GPIO_NUM_PORTS; i++)
free_irq(gpio_ports[i].irq, &gpio_ports[i]);
iounmap(virtbase);
release_mem_region(memres->start, memres->end - memres->start);
clk_disable(clk);
clk_put(clk);
return 0;
}
static struct platform_driver gpio_driver = {
.driver = {
.name = "u300-gpio",
},
.remove = __exit_p(gpio_remove),
};
static int __init u300_gpio_init(void)
{
return platform_driver_probe(&gpio_driver, gpio_probe);
}
static void __exit u300_gpio_exit(void)
{
platform_driver_unregister(&gpio_driver);
}
arch_initcall(u300_gpio_init);
module_exit(u300_gpio_exit);
MODULE_AUTHOR("Linus Walleij <linus.walleij@stericsson.com>");
#ifdef U300_COH901571_3
MODULE_DESCRIPTION("ST-Ericsson AB COH 901 571/3 GPIO driver");
#endif
#ifdef U300_COH901335
MODULE_DESCRIPTION("ST-Ericsson AB COH 901 335 GPIO driver");
#endif
MODULE_LICENSE("GPL");
arch/arm/mach-u300/include/mach/clkdev.h 0 → 100644
View file @ b7c11ec9
#ifndef __MACH_CLKDEV_H
#define __MACH_CLKDEV_H
int __clk_get(struct clk *clk);
void __clk_put(struct clk *clk);
#endif
arch/arm/mach-u300/include/mach/debug-macro.S 0 → 100644
View file @ b7c11ec9
/*
*
* arch-arm/mach-u300/include/mach/debug-macro.S
*
*
* Copyright (C) 2006-2009 ST-Ericsson AB
* License terms: GNU General Public License (GPL) version 2
* Debugging macro include header.
* Author: Linus Walleij <linus.walleij@stericsson.com>
*/
#include <mach/hardware.h>
.macro addruart,rx
/* If we move the adress using MMU, use this. */
mrc p15, 0, \rx, c1, c0
tst \rx, #1 @ MMU enabled?
ldreq \rx, = U300_SLOW_PER_PHYS_BASE @ MMU off, physical address
ldrne \rx, = U300_SLOW_PER_VIRT_BASE @ MMU on, virtual address
orr \rx, \rx, #0x00003000
.endm
#include <asm/hardware/debug-pl01x.S>
arch/arm/mach-u300/include/mach/entry-macro.S 0 → 100644
View file @ b7c11ec9
/*
*
* arch-arm/mach-u300/include/mach/entry-macro.S
*
*
* Copyright (C) 2006-2009 ST-Ericsson AB
* License terms: GNU General Public License (GPL) version 2
* Low-level IRQ helper macros for ST-Ericsson U300
* Author: Linus Walleij <linus.walleij@stericsson.com>
*/
#include <mach/hardware.h>
#include <asm/hardware/vic.h>
.macro disable_fiq
.endm
.macro get_irqnr_preamble, base, tmp
.endm
.macro arch_ret_to_user, tmp1, tmp2
.endm
.macro get_irqnr_and_base, irqnr, irqstat, base, tmp
ldr \base, = U300_AHB_PER_VIRT_BASE-U300_AHB_PER_PHYS_BASE+U300_INTCON0_BASE
ldr \irqstat, [\base, #VIC_IRQ_STATUS] @ get masked status
mov \irqnr, #0
teq \irqstat, #0
bne 1002f
1001: ldr \base, = U300_AHB_PER_VIRT_BASE-U300_AHB_PER_PHYS_BASE+U300_INTCON1_BASE
ldr \irqstat, [\base, #VIC_IRQ_STATUS] @ get masked status
mov \irqnr, #32
teq \irqstat, #0
beq 1003f
1002: tst \irqstat, #1
bne 1003f
add \irqnr, \irqnr, #1
movs \irqstat, \irqstat, lsr #1
bne 1002b
1003: /* EQ will be set if no irqs pending */
.endm
arch/arm/mach-u300/include/mach/gpio.h 0 → 100644
View file @ b7c11ec9
/*
*
* arch/arm/mach-u300/include/mach/gpio.h
*
*
* Copyright (C) 2007-2009 ST-Ericsson AB
* License terms: GNU General Public License (GPL) version 2
* GPIO block resgister definitions and inline macros for
* U300 GPIO COH 901 335 or COH 901 571/3
* Author: Linus Walleij <linus.walleij@stericsson.com>
*/
#ifndef __MACH_U300_GPIO_H
#define __MACH_U300_GPIO_H
#include <linux/kernel.h>
#include <linux/io.h>
#include <mach/hardware.h>
#include <asm/irq.h>
/* Switch type depending on platform/chip variant */
#if defined(CONFIG_MACH_U300_BS2X) || defined(CONFIG_MACH_U300_BS330)
#define U300_COH901335
#endif
#if defined(CONFIG_MACH_U300_BS365) || defined(CONFIG_MACH_U300_BS335)
#define U300_COH901571_3
#endif
/* Get base address for regs here */
#include "u300-regs.h"
/* IRQ numbers */
#include "irqs.h"
/*
* This is the GPIO block definitions. GPIO (General Purpose I/O) can be
* used for anything, and often is. The event/enable etc figures are for
* the lowermost pin (pin 0 on each port), shift this left to match your
* pin if you're gonna use these values.
*/
#ifdef U300_COH901335
#define U300_GPIO_PORTX_SPACING (0x1C)
/* Port X Pin Data Register 32bit, this is both input and output (R/W) */
#define U300_GPIO_PXPDIR (0x00)
#define U300_GPIO_PXPDOR (0x00)
/* Port X Pin Config Register 32bit (R/W) */
#define U300_GPIO_PXPCR (0x04)
#define U300_GPIO_PXPCR_ALL_PINS_MODE_MASK (0x0000FFFFUL)
#define U300_GPIO_PXPCR_PIN_MODE_MASK (0x00000003UL)
#define U300_GPIO_PXPCR_PIN_MODE_SHIFT (0x00000002UL)
#define U300_GPIO_PXPCR_PIN_MODE_INPUT (0x00000000UL)
#define U300_GPIO_PXPCR_PIN_MODE_OUTPUT_PUSH_PULL (0x00000001UL)
#define U300_GPIO_PXPCR_PIN_MODE_OUTPUT_OPEN_DRAIN (0x00000002UL)
#define U300_GPIO_PXPCR_PIN_MODE_OUTPUT_OPEN_SOURCE (0x00000003UL)
/* Port X Interrupt Event Register 32bit (R/W) */
#define U300_GPIO_PXIEV (0x08)
#define U300_GPIO_PXIEV_ALL_IRQ_EVENT_MASK (0x000000FFUL)
#define U300_GPIO_PXIEV_IRQ_EVENT (0x00000001UL)
/* Port X Interrupt Enable Register 32bit (R/W) */
#define U300_GPIO_PXIEN (0x0C)
#define U300_GPIO_PXIEN_ALL_IRQ_ENABLE_MASK (0x000000FFUL)
#define U300_GPIO_PXIEN_IRQ_ENABLE (0x00000001UL)
/* Port X Interrupt Force Register 32bit (R/W) */
#define U300_GPIO_PXIFR (0x10)
#define U300_GPIO_PXIFR_ALL_IRQ_FORCE_MASK (0x000000FFUL)
#define U300_GPIO_PXIFR_IRQ_FORCE (0x00000001UL)
/* Port X Interrupt Config Register 32bit (R/W) */
#define U300_GPIO_PXICR (0x14)
#define U300_GPIO_PXICR_ALL_IRQ_CONFIG_MASK (0x000000FFUL)
#define U300_GPIO_PXICR_IRQ_CONFIG_MASK (0x00000001UL)
#define U300_GPIO_PXICR_IRQ_CONFIG_FALLING_EDGE (0x00000000UL)
#define U300_GPIO_PXICR_IRQ_CONFIG_RISING_EDGE (0x00000001UL)
/* Port X Pull-up Enable Register 32bit (R/W) */
#define U300_GPIO_PXPER (0x18)
#define U300_GPIO_PXPER_ALL_PULL_UP_DISABLE_MASK (0x000000FFUL)
#define U300_GPIO_PXPER_PULL_UP_DISABLE (0x00000001UL)
/* Control Register 32bit (R/W) */
#define U300_GPIO_CR (0x54)
#define U300_GPIO_CR_BLOCK_CLOCK_ENABLE (0x00000001UL)
/* three ports of 8 bits each = GPIO pins 0..23 */
#define U300_GPIO_NUM_PORTS 3
#define U300_GPIO_PINS_PER_PORT 8
#define U300_GPIO_MAX (U300_GPIO_PINS_PER_PORT * U300_GPIO_NUM_PORTS - 1)
#endif
#ifdef U300_COH901571_3
/*
* Control Register 32bit (R/W)
* bit 15-9 (mask 0x0000FE00) contains the number of cores. 8*cores
* gives the number of GPIO pins.
* bit 8-2 (mask 0x000001FC) contains the core version ID.
*/
#define U300_GPIO_CR (0x00)
#define U300_GPIO_CR_SYNC_SEL_ENABLE (0x00000002UL)
#define U300_GPIO_CR_BLOCK_CLKRQ_ENABLE (0x00000001UL)
#define U300_GPIO_PORTX_SPACING (0x30)
/* Port X Pin Data INPUT Register 32bit (R/W) */
#define U300_GPIO_PXPDIR (0x04)
/* Port X Pin Data OUTPUT Register 32bit (R/W) */
#define U300_GPIO_PXPDOR (0x08)
/* Port X Pin Config Register 32bit (R/W) */
#define U300_GPIO_PXPCR (0x0C)
#define U300_GPIO_PXPCR_ALL_PINS_MODE_MASK (0x0000FFFFUL)
#define U300_GPIO_PXPCR_PIN_MODE_MASK (0x00000003UL)
#define U300_GPIO_PXPCR_PIN_MODE_SHIFT (0x00000002UL)
#define U300_GPIO_PXPCR_PIN_MODE_INPUT (0x00000000UL)
#define U300_GPIO_PXPCR_PIN_MODE_OUTPUT_PUSH_PULL (0x00000001UL)
#define U300_GPIO_PXPCR_PIN_MODE_OUTPUT_OPEN_DRAIN (0x00000002UL)
#define U300_GPIO_PXPCR_PIN_MODE_OUTPUT_OPEN_SOURCE (0x00000003UL)
/* Port X Pull-up Enable Register 32bit (R/W) */
#define U300_GPIO_PXPER (0x10)
#define U300_GPIO_PXPER_ALL_PULL_UP_DISABLE_MASK (0x000000FFUL)
#define U300_GPIO_PXPER_PULL_UP_DISABLE (0x00000001UL)
/* Port X Interrupt Event Register 32bit (R/W) */
#define U300_GPIO_PXIEV (0x14)
#define U300_GPIO_PXIEV_ALL_IRQ_EVENT_MASK (0x000000FFUL)
#define U300_GPIO_PXIEV_IRQ_EVENT (0x00000001UL)
/* Port X Interrupt Enable Register 32bit (R/W) */
#define U300_GPIO_PXIEN (0x18)
#define U300_GPIO_PXIEN_ALL_IRQ_ENABLE_MASK (0x000000FFUL)
#define U300_GPIO_PXIEN_IRQ_ENABLE (0x00000001UL)
/* Port X Interrupt Force Register 32bit (R/W) */
#define U300_GPIO_PXIFR (0x1C)
#define U300_GPIO_PXIFR_ALL_IRQ_FORCE_MASK (0x000000FFUL)
#define U300_GPIO_PXIFR_IRQ_FORCE (0x00000001UL)
/* Port X Interrupt Config Register 32bit (R/W) */
#define U300_GPIO_PXICR (0x20)
#define U300_GPIO_PXICR_ALL_IRQ_CONFIG_MASK (0x000000FFUL)
#define U300_GPIO_PXICR_IRQ_CONFIG_MASK (0x00000001UL)
#define U300_GPIO_PXICR_IRQ_CONFIG_FALLING_EDGE (0x00000000UL)
#define U300_GPIO_PXICR_IRQ_CONFIG_RISING_EDGE (0x00000001UL)
#ifdef CONFIG_MACH_U300_BS335
/* seven ports of 8 bits each = GPIO pins 0..55 */
#define U300_GPIO_NUM_PORTS 7
#else
/* five ports of 8 bits each = GPIO pins 0..39 */
#define U300_GPIO_NUM_PORTS 5
#endif
#define U300_GPIO_PINS_PER_PORT 8
#define U300_GPIO_MAX (U300_GPIO_PINS_PER_PORT * U300_GPIO_NUM_PORTS - 1)
#endif
/*
* Individual pin assignments for the B26/S26. Notice that the
* actual usage of these pins depends on the PAD MUX settings, that
* is why the same number can potentially appear several times.
* In the reference design each pin is only used for one purpose.
* These were determined by inspecting the B26/S26 schematic:
* 2/1911-ROA 128 1603
*/
#ifdef CONFIG_MACH_U300_BS2X
#define U300_GPIO_PIN_UART_RX 0
#define U300_GPIO_PIN_UART_TX 1
#define U300_GPIO_PIN_GPIO02 2 /* Unrouted */
#define U300_GPIO_PIN_GPIO03 3 /* Unrouted */
#define U300_GPIO_PIN_CAM_SLEEP 4
#define U300_GPIO_PIN_CAM_REG_EN 5
#define U300_GPIO_PIN_GPIO06 6 /* Unrouted */
#define U300_GPIO_PIN_GPIO07 7 /* Unrouted */
#define U300_GPIO_PIN_GPIO08 8 /* Service point SP2321 */
#define U300_GPIO_PIN_GPIO09 9 /* Service point SP2322 */
#define U300_GPIO_PIN_PHFSENSE 10 /* Headphone jack sensing */
#define U300_GPIO_PIN_MMC_CLKRET 11 /* Clock return from MMC/SD card */
#define U300_GPIO_PIN_MMC_CD 12 /* MMC Card insertion detection */
#define U300_GPIO_PIN_FLIPSENSE 13 /* Mechanical flip sensing */
#define U300_GPIO_PIN_GPIO14 14 /* DSP JTAG Port RTCK */
#define U300_GPIO_PIN_GPIO15 15 /* Unrouted */
#define U300_GPIO_PIN_GPIO16 16 /* Unrouted */
#define U300_GPIO_PIN_GPIO17 17 /* Unrouted */
#define U300_GPIO_PIN_GPIO18 18 /* Unrouted */
#define U300_GPIO_PIN_GPIO19 19 /* Unrouted */
#define U300_GPIO_PIN_GPIO20 20 /* Unrouted */
#define U300_GPIO_PIN_GPIO21 21 /* Unrouted */
#define U300_GPIO_PIN_GPIO22 22 /* Unrouted */
#define U300_GPIO_PIN_GPIO23 23 /* Unrouted */
#endif
/*
* Individual pin assignments for the B330/S330 and B365/S365.
* Notice that the actual usage of these pins depends on the
* PAD MUX settings, that is why the same number can potentially
* appear several times. In the reference design each pin is only
* used for one purpose. These were determined by inspecting the
* S365 schematic.
*/
#if defined(CONFIG_MACH_U300_BS330) || defined(CONFIG_MACH_U300_BS365) || \
defined(CONFIG_MACH_U300_BS335)
#define U300_GPIO_PIN_UART_RX 0
#define U300_GPIO_PIN_UART_TX 1
#define U300_GPIO_PIN_UART_CTS 2
#define U300_GPIO_PIN_UART_RTS 3
#define U300_GPIO_PIN_CAM_MAIN_STANDBY 4 /* Camera MAIN standby */
#define U300_GPIO_PIN_GPIO05 5 /* Unrouted */
#define U300_GPIO_PIN_MS_CD 6 /* Memory Stick Card insertion */
#define U300_GPIO_PIN_GPIO07 7 /* Test point TP2430 */
#define U300_GPIO_PIN_GPIO08 8 /* Test point TP2437 */
#define U300_GPIO_PIN_GPIO09 9 /* Test point TP2431 */
#define U300_GPIO_PIN_GPIO10 10 /* Test point TP2432 */
#define U300_GPIO_PIN_MMC_CLKRET 11 /* Clock return from MMC/SD card */
#define U300_GPIO_PIN_MMC_CD 12 /* MMC Card insertion detection */
#define U300_GPIO_PIN_CAM_SUB_STANDBY 13 /* Camera SUB standby */
#define U300_GPIO_PIN_GPIO14 14 /* Test point TP2436 */
#define U300_GPIO_PIN_GPIO15 15 /* Unrouted */
#define U300_GPIO_PIN_GPIO16 16 /* Test point TP2438 */
#define U300_GPIO_PIN_PHFSENSE 17 /* Headphone jack sensing */
#define U300_GPIO_PIN_GPIO18 18 /* Test point TP2439 */
#define U300_GPIO_PIN_GPIO19 19 /* Routed somewhere */
#define U300_GPIO_PIN_GPIO20 20 /* Unrouted */
#define U300_GPIO_PIN_GPIO21 21 /* Unrouted */
#define U300_GPIO_PIN_GPIO22 22 /* Unrouted */
#define U300_GPIO_PIN_GPIO23 23 /* Unrouted */
#define U300_GPIO_PIN_GPIO24 24 /* Unrouted */
#define U300_GPIO_PIN_GPIO25 25 /* Unrouted */
#define U300_GPIO_PIN_GPIO26 26 /* Unrouted */
#define U300_GPIO_PIN_GPIO27 27 /* Unrouted */
#define U300_GPIO_PIN_GPIO28 28 /* Unrouted */
#define U300_GPIO_PIN_GPIO29 29 /* Unrouted */
#define U300_GPIO_PIN_GPIO30 30 /* Unrouted */
#define U300_GPIO_PIN_GPIO31 31 /* Unrouted */
#define U300_GPIO_PIN_GPIO32 32 /* Unrouted */
#define U300_GPIO_PIN_GPIO33 33 /* Unrouted */
#define U300_GPIO_PIN_GPIO34 34 /* Unrouted */
#define U300_GPIO_PIN_GPIO35 35 /* Unrouted */
#define U300_GPIO_PIN_GPIO36 36 /* Unrouted */
#define U300_GPIO_PIN_GPIO37 37 /* Unrouted */
#define U300_GPIO_PIN_GPIO38 38 /* Unrouted */
#define U300_GPIO_PIN_GPIO39 39 /* Unrouted */
#ifdef CONFIG_MACH_U300_BS335
#define U300_GPIO_PIN_GPIO40 40 /* Unrouted */
#define U300_GPIO_PIN_GPIO41 41 /* Unrouted */
#define U300_GPIO_PIN_GPIO42 42 /* Unrouted */
#define U300_GPIO_PIN_GPIO43 43 /* Unrouted */
#define U300_GPIO_PIN_GPIO44 44 /* Unrouted */
#define U300_GPIO_PIN_GPIO45 45 /* Unrouted */
#define U300_GPIO_PIN_GPIO46 46 /* Unrouted */
#define U300_GPIO_PIN_GPIO47 47 /* Unrouted */
#define U300_GPIO_PIN_GPIO48 48 /* Unrouted */
#define U300_GPIO_PIN_GPIO49 49 /* Unrouted */
#define U300_GPIO_PIN_GPIO50 50 /* Unrouted */
#define U300_GPIO_PIN_GPIO51 51 /* Unrouted */
#define U300_GPIO_PIN_GPIO52 52 /* Unrouted */
#define U300_GPIO_PIN_GPIO53 53 /* Unrouted */
#define U300_GPIO_PIN_GPIO54 54 /* Unrouted */
#define U300_GPIO_PIN_GPIO55 55 /* Unrouted */
#endif
#endif
/* translates a pin number to a port number */
#define PIN_TO_PORT(val) (val >> 3)
/* These can be found in arch/arm/mach-u300/gpio.c */
extern int gpio_request(unsigned gpio, const char *label);
extern void gpio_free(unsigned gpio);
extern int gpio_direction_input(unsigned gpio);
extern int gpio_direction_output(unsigned gpio, int value);
extern int gpio_register_callback(unsigned gpio,
int (*func)(void *arg),
void *);
extern int gpio_unregister_callback(unsigned gpio);
extern void enable_irq_on_gpio_pin(unsigned gpio, int edge);
extern void disable_irq_on_gpio_pin(unsigned gpio);
extern void gpio_pullup(unsigned gpio, int value);
extern int gpio_get_value(unsigned gpio);
extern void gpio_set_value(unsigned gpio, int value);
/* wrappers to sleep-enable the previous two functions */
static inline unsigned gpio_to_irq(unsigned gpio)
{
return PIN_TO_PORT(gpio) + IRQ_U300_GPIO_PORT0;
}
static inline unsigned irq_to_gpio(unsigned irq)
{
/*
* FIXME: This is no 1-1 mapping at all, it points to the
* whole block of 8 pins.
*/
return (irq - IRQ_U300_GPIO_PORT0) << 3;
}
#endif
arch/arm/mach-u300/include/mach/hardware.h 0 → 100644
View file @ b7c11ec9
/*
* arch/arm/mach-u300/include/mach/hardware.h
*/
#include <asm/sizes.h>
#include <mach/u300-regs.h>
arch/arm/mach-u300/include/mach/io.h 0 → 100644
View file @ b7c11ec9
/*
*
* arch/arm/mach-u300/include/mach/io.h
*
*
* Copyright (C) 2006-2009 ST-Ericsson AB
* License terms: GNU General Public License (GPL) version 2
* Dummy IO map for being able to use writew()/readw(),
* writel()/readw() and similar accessor functions.
* Author: Linus Walleij <linus.walleij@stericsson.com>
*/
#ifndef __MACH_IO_H
#define __MACH_IO_H
#define IO_SPACE_LIMIT 0xffffffff
#define __io(a) __typesafe_io(a)
#define __mem_pci(a) (a)
#endif
arch/arm/mach-u300/include/mach/irqs.h 0 → 100644
View file @ b7c11ec9
/*
*
* arch/arm/mach-u300/include/mach/irqs.h
*
*
* Copyright (C) 2006-2009 ST-Ericsson AB
* License terms: GNU General Public License (GPL) version 2
* IRQ channel definitions for the U300 platforms.
* Author: Linus Walleij <linus.walleij@stericsson.com>
*/
#ifndef __MACH_IRQS_H
#define __MACH_IRQS_H
#define IRQ_U300_INTCON0_START 0
#define IRQ_U300_INTCON1_START 32
/* These are on INTCON0 - 30 lines */
#define IRQ_U300_IRQ0_EXT 0
#define IRQ_U300_IRQ1_EXT 1
#define IRQ_U300_DMA 2
#define IRQ_U300_VIDEO_ENC_0 3
#define IRQ_U300_VIDEO_ENC_1 4
#define IRQ_U300_AAIF_RX 5
#define IRQ_U300_AAIF_TX 6
#define IRQ_U300_AAIF_VGPIO 7
#define IRQ_U300_AAIF_WAKEUP 8
#define IRQ_U300_PCM_I2S0_FRAME 9
#define IRQ_U300_PCM_I2S0_FIFO 10
#define IRQ_U300_PCM_I2S1_FRAME 11
#define IRQ_U300_PCM_I2S1_FIFO 12
#define IRQ_U300_XGAM_GAMCON 13
#define IRQ_U300_XGAM_CDI 14
#define IRQ_U300_XGAM_CDICON 15
#if defined(CONFIG_MACH_U300_BS2X) || defined(CONFIG_MACH_U300_BS330)
/* MMIACC not used on the DB3210 or DB3350 chips */
#define IRQ_U300_XGAM_MMIACC 16
#endif
#define IRQ_U300_XGAM_PDI 17
#define IRQ_U300_XGAM_PDICON 18
#define IRQ_U300_XGAM_GAMEACC 19
#define IRQ_U300_XGAM_MCIDCT 20
#define IRQ_U300_APEX 21
#define IRQ_U300_UART0 22
#define IRQ_U300_SPI 23
#define IRQ_U300_TIMER_APP_OS 24
#define IRQ_U300_TIMER_APP_DD 25
#define IRQ_U300_TIMER_APP_GP1 26
#define IRQ_U300_TIMER_APP_GP2 27
#define IRQ_U300_TIMER_OS 28
#define IRQ_U300_TIMER_MS 29
#define IRQ_U300_KEYPAD_KEYBF 30
#define IRQ_U300_KEYPAD_KEYBR 31
/* These are on INTCON1 - 32 lines */
#define IRQ_U300_GPIO_PORT0 32
#define IRQ_U300_GPIO_PORT1 33
#define IRQ_U300_GPIO_PORT2 34
#if defined(CONFIG_MACH_U300_BS2X) || defined(CONFIG_MACH_U300_BS330) || \
defined(CONFIG_MACH_U300_BS335)
/* These are for DB3150, DB3200 and DB3350 */
#define IRQ_U300_WDOG 35
#define IRQ_U300_EVHIST 36
#define IRQ_U300_MSPRO 37
#define IRQ_U300_MMCSD_MCIINTR0 38
#define IRQ_U300_MMCSD_MCIINTR1 39
#define IRQ_U300_I2C0 40
#define IRQ_U300_I2C1 41
#define IRQ_U300_RTC 42
#define IRQ_U300_NFIF 43
#define IRQ_U300_NFIF2 44
#endif
/* DB3150 and DB3200 have only 45 IRQs */
#if defined(CONFIG_MACH_U300_BS2X) || defined(CONFIG_MACH_U300_BS330)
#define U300_NR_IRQS 45
#endif
/* The DB3350-specific interrupt lines */
#ifdef CONFIG_MACH_U300_BS335
#define IRQ_U300_ISP_F0 45
#define IRQ_U300_ISP_F1 46
#define IRQ_U300_ISP_F2 47
#define IRQ_U300_ISP_F3 48
#define IRQ_U300_ISP_F4 49
#define IRQ_U300_GPIO_PORT3 50
#define IRQ_U300_SYSCON_PLL_LOCK 51
#define IRQ_U300_UART1 52
#define IRQ_U300_GPIO_PORT4 53
#define IRQ_U300_GPIO_PORT5 54
#define IRQ_U300_GPIO_PORT6 55
#define U300_NR_IRQS 56
#endif
/* The DB3210-specific interrupt lines */
#ifdef CONFIG_MACH_U300_BS365
#define IRQ_U300_GPIO_PORT3 35
#define IRQ_U300_GPIO_PORT4 36
#define IRQ_U300_WDOG 37
#define IRQ_U300_EVHIST 38
#define IRQ_U300_MSPRO 39
#define IRQ_U300_MMCSD_MCIINTR0 40
#define IRQ_U300_MMCSD_MCIINTR1 41
#define IRQ_U300_I2C0 42
#define IRQ_U300_I2C1 43
#define IRQ_U300_RTC 44
#define IRQ_U300_NFIF 45
#define IRQ_U300_NFIF2 46
#define IRQ_U300_SYSCON_PLL_LOCK 47
#define U300_NR_IRQS 48
#endif
#define NR_IRQS U300_NR_IRQS
#endif
arch/arm/mach-u300/include/mach/memory.h 0 → 100644
View file @ b7c11ec9
/*
*
* arch/arm/mach-u300/include/mach/memory.h
*
*
* Copyright (C) 2007-2009 ST-Ericsson AB
* License terms: GNU General Public License (GPL) version 2
* Memory virtual/physical mapping constants.
* Author: Linus Walleij <linus.walleij@stericsson.com>
* Author: Jonas Aaberg <jonas.aberg@stericsson.com>
*/
#ifndef __MACH_MEMORY_H
#define __MACH_MEMORY_H
#ifdef CONFIG_MACH_U300_DUAL_RAM
#define PHYS_OFFSET UL(0x48000000)
#define BOOT_PARAMS_OFFSET (PHYS_OFFSET + 0x100)
#else
#ifdef CONFIG_MACH_U300_2MB_ALIGNMENT_FIX
#define PHYS_OFFSET (0x28000000 + \
(CONFIG_MACH_U300_ACCESS_MEM_SIZE - \
(CONFIG_MACH_U300_ACCESS_MEM_SIZE & 1))*1024*1024)
#else
#define PHYS_OFFSET (0x28000000 + \
(CONFIG_MACH_U300_ACCESS_MEM_SIZE + \
(CONFIG_MACH_U300_ACCESS_MEM_SIZE & 1))*1024*1024)
#endif
#define BOOT_PARAMS_OFFSET (0x28000000 + \
(CONFIG_MACH_U300_ACCESS_MEM_SIZE + \
(CONFIG_MACH_U300_ACCESS_MEM_SIZE & 1))*1024*1024 + 0x100)
#endif
/*
* We enable a real big DMA buffer if need be.
*/
#define CONSISTENT_DMA_SIZE SZ_4M
#endif
arch/arm/mach-u300/include/mach/platform.h 0 → 100644
View file @ b7c11ec9
/*
*
* arch/arm/mach-u300/include/mach/platform.h
*
*
* Copyright (C) 2006-2009 ST-Ericsson AB
* License terms: GNU General Public License (GPL) version 2
* Basic platform init and mapping functions.
* Author: Linus Walleij <linus.walleij@stericsson.com>
*/
#ifndef __ASSEMBLY__
void u300_map_io(void);
void u300_init_irq(void);
void u300_init_devices(void);
extern struct sys_timer u300_timer;
#endif
arch/arm/mach-u300/include/mach/syscon.h 0 → 100644
View file @ b7c11ec9
/*
*
* arch/arm/mach-u300/include/mach/syscon.h
*
*
* Copyright (C) 2008 ST-Ericsson AB
*
* Author: Rickard Andersson <rickard.andersson@stericsson.com>
*/
#ifndef __MACH_SYSCON_H
#define __MACH_SYSCON_H
/*
* All register defines for SYSCON registers that concerns individual
* block clocks and reset lines are registered here. This is because
* we don't want any other file to try to fool around with this stuff.
*/
/* APP side SYSCON registers */
/* TODO: this is incomplete. Add all from asic_syscon_map.h eventually. */
/* CLK Control Register 16bit (R/W) */
#define U300_SYSCON_CCR (0x0000)
#define U300_SYSCON_CCR_I2S1_USE_VCXO (0x0040)
#define U300_SYSCON_CCR_I2S0_USE_VCXO (0x0020)
#define U300_SYSCON_CCR_TURN_VCXO_ON (0x0008)
#define U300_SYSCON_CCR_CLKING_PERFORMANCE_MASK (0x0007)
#define U300_SYSCON_CCR_CLKING_PERFORMANCE_LOW_POWER (0x04)
#define U300_SYSCON_CCR_CLKING_PERFORMANCE_LOW (0x03)
#define U300_SYSCON_CCR_CLKING_PERFORMANCE_INTERMEDIATE (0x02)
#define U300_SYSCON_CCR_CLKING_PERFORMANCE_HIGH (0x01)
#define U300_SYSCON_CCR_CLKING_PERFORMANCE_BEST (0x00)
/* CLK Status Register 16bit (R/W) */
#define U300_SYSCON_CSR (0x0004)
#define U300_SYSCON_CSR_PLL208_LOCK_IND (0x0002)
#define U300_SYSCON_CSR_PLL13_LOCK_IND (0x0001)
/* Reset lines for SLOW devices 16bit (R/W) */
#define U300_SYSCON_RSR (0x0014)
#ifdef CONFIG_MACH_U300_BS335
#define U300_SYSCON_RSR_PPM_RESET_EN (0x0200)
#endif
#define U300_SYSCON_RSR_ACC_TMR_RESET_EN (0x0100)
#define U300_SYSCON_RSR_APP_TMR_RESET_EN (0x0080)
#define U300_SYSCON_RSR_RTC_RESET_EN (0x0040)
#define U300_SYSCON_RSR_KEYPAD_RESET_EN (0x0020)
#define U300_SYSCON_RSR_GPIO_RESET_EN (0x0010)
#define U300_SYSCON_RSR_EH_RESET_EN (0x0008)
#define U300_SYSCON_RSR_BTR_RESET_EN (0x0004)
#define U300_SYSCON_RSR_UART_RESET_EN (0x0002)
#define U300_SYSCON_RSR_SLOW_BRIDGE_RESET_EN (0x0001)
/* Reset lines for FAST devices 16bit (R/W) */
#define U300_SYSCON_RFR (0x0018)
#ifdef CONFIG_MACH_U300_BS335
#define U300_SYSCON_RFR_UART1_RESET_ENABLE (0x0080)
#endif
#define U300_SYSCON_RFR_SPI_RESET_ENABLE (0x0040)
#define U300_SYSCON_RFR_MMC_RESET_ENABLE (0x0020)
#define U300_SYSCON_RFR_PCM_I2S1_RESET_ENABLE (0x0010)
#define U300_SYSCON_RFR_PCM_I2S0_RESET_ENABLE (0x0008)
#define U300_SYSCON_RFR_I2C1_RESET_ENABLE (0x0004)
#define U300_SYSCON_RFR_I2C0_RESET_ENABLE (0x0002)
#define U300_SYSCON_RFR_FAST_BRIDGE_RESET_ENABLE (0x0001)
/* Reset lines for the rest of the peripherals 16bit (R/W) */
#define U300_SYSCON_RRR (0x001c)
#ifdef CONFIG_MACH_U300_BS335
#define U300_SYSCON_RRR_CDS_RESET_EN (0x4000)
#define U300_SYSCON_RRR_ISP_RESET_EN (0x2000)
#endif
#define U300_SYSCON_RRR_INTCON_RESET_EN (0x1000)
#define U300_SYSCON_RRR_MSPRO_RESET_EN (0x0800)
#define U300_SYSCON_RRR_XGAM_RESET_EN (0x0100)
#define U300_SYSCON_RRR_XGAM_VC_SYNC_RESET_EN (0x0080)
#define U300_SYSCON_RRR_NANDIF_RESET_EN (0x0040)
#define U300_SYSCON_RRR_EMIF_RESET_EN (0x0020)
#define U300_SYSCON_RRR_DMAC_RESET_EN (0x0010)
#define U300_SYSCON_RRR_CPU_RESET_EN (0x0008)
#define U300_SYSCON_RRR_APEX_RESET_EN (0x0004)
#define U300_SYSCON_RRR_AHB_RESET_EN (0x0002)
#define U300_SYSCON_RRR_AAIF_RESET_EN (0x0001)
/* Clock enable for SLOW peripherals 16bit (R/W) */
#define U300_SYSCON_CESR (0x0020)
#ifdef CONFIG_MACH_U300_BS335
#define U300_SYSCON_CESR_PPM_CLK_EN (0x0200)
#endif
#define U300_SYSCON_CESR_ACC_TMR_CLK_EN (0x0100)
#define U300_SYSCON_CESR_APP_TMR_CLK_EN (0x0080)
#define U300_SYSCON_CESR_KEYPAD_CLK_EN (0x0040)
#define U300_SYSCON_CESR_GPIO_CLK_EN (0x0010)
#define U300_SYSCON_CESR_EH_CLK_EN (0x0008)
#define U300_SYSCON_CESR_BTR_CLK_EN (0x0004)
#define U300_SYSCON_CESR_UART_CLK_EN (0x0002)
#define U300_SYSCON_CESR_SLOW_BRIDGE_CLK_EN (0x0001)
/* Clock enable for FAST peripherals 16bit (R/W) */
#define U300_SYSCON_CEFR (0x0024)
#ifdef CONFIG_MACH_U300_BS335
#define U300_SYSCON_CEFR_UART1_CLK_EN (0x0200)
#endif
#define U300_SYSCON_CEFR_I2S1_CORE_CLK_EN (0x0100)
#define U300_SYSCON_CEFR_I2S0_CORE_CLK_EN (0x0080)
#define U300_SYSCON_CEFR_SPI_CLK_EN (0x0040)
#define U300_SYSCON_CEFR_MMC_CLK_EN (0x0020)
#define U300_SYSCON_CEFR_I2S1_CLK_EN (0x0010)
#define U300_SYSCON_CEFR_I2S0_CLK_EN (0x0008)
#define U300_SYSCON_CEFR_I2C1_CLK_EN (0x0004)
#define U300_SYSCON_CEFR_I2C0_CLK_EN (0x0002)
#define U300_SYSCON_CEFR_FAST_BRIDGE_CLK_EN (0x0001)
/* Clock enable for the rest of the peripherals 16bit (R/W) */
#define U300_SYSCON_CERR (0x0028)
#ifdef CONFIG_MACH_U300_BS335
#define U300_SYSCON_CERR_CDS_CLK_EN (0x2000)
#define U300_SYSCON_CERR_ISP_CLK_EN (0x1000)
#endif
#define U300_SYSCON_CERR_MSPRO_CLK_EN (0x0800)
#define U300_SYSCON_CERR_AHB_SUBSYS_BRIDGE_CLK_EN (0x0400)
#define U300_SYSCON_CERR_SEMI_CLK_EN (0x0200)
#define U300_SYSCON_CERR_XGAM_CLK_EN (0x0100)
#define U300_SYSCON_CERR_VIDEO_ENC_CLK_EN (0x0080)
#define U300_SYSCON_CERR_NANDIF_CLK_EN (0x0040)
#define U300_SYSCON_CERR_EMIF_CLK_EN (0x0020)
#define U300_SYSCON_CERR_DMAC_CLK_EN (0x0010)
#define U300_SYSCON_CERR_CPU_CLK_EN (0x0008)
#define U300_SYSCON_CERR_APEX_CLK_EN (0x0004)
#define U300_SYSCON_CERR_AHB_CLK_EN (0x0002)
#define U300_SYSCON_CERR_AAIF_CLK_EN (0x0001)
/* Single block clock enable 16bit (-/W) */
#define U300_SYSCON_SBCER (0x002c)
#ifdef CONFIG_MACH_U300_BS335
#define U300_SYSCON_SBCER_PPM_CLK_EN (0x0009)
#endif
#define U300_SYSCON_SBCER_ACC_TMR_CLK_EN (0x0008)
#define U300_SYSCON_SBCER_APP_TMR_CLK_EN (0x0007)
#define U300_SYSCON_SBCER_KEYPAD_CLK_EN (0x0006)
#define U300_SYSCON_SBCER_GPIO_CLK_EN (0x0004)
#define U300_SYSCON_SBCER_EH_CLK_EN (0x0003)
#define U300_SYSCON_SBCER_BTR_CLK_EN (0x0002)
#define U300_SYSCON_SBCER_UART_CLK_EN (0x0001)
#define U300_SYSCON_SBCER_SLOW_BRIDGE_CLK_EN (0x0000)
#ifdef CONFIG_MACH_U300_BS335
#define U300_SYSCON_SBCER_UART1_CLK_EN (0x0019)
#endif
#define U300_SYSCON_SBCER_I2S1_CORE_CLK_EN (0x0018)
#define U300_SYSCON_SBCER_I2S0_CORE_CLK_EN (0x0017)
#define U300_SYSCON_SBCER_SPI_CLK_EN (0x0016)
#define U300_SYSCON_SBCER_MMC_CLK_EN (0x0015)
#define U300_SYSCON_SBCER_I2S1_CLK_EN (0x0014)
#define U300_SYSCON_SBCER_I2S0_CLK_EN (0x0013)
#define U300_SYSCON_SBCER_I2C1_CLK_EN (0x0012)
#define U300_SYSCON_SBCER_I2C0_CLK_EN (0x0011)
#define U300_SYSCON_SBCER_FAST_BRIDGE_CLK_EN (0x0010)
#ifdef CONFIG_MACH_U300_BS335
#define U300_SYSCON_SBCER_CDS_CLK_EN (0x002D)
#define U300_SYSCON_SBCER_ISP_CLK_EN (0x002C)
#endif
#define U300_SYSCON_SBCER_MSPRO_CLK_EN (0x002B)
#define U300_SYSCON_SBCER_AHB_SUBSYS_BRIDGE_CLK_EN (0x002A)
#define U300_SYSCON_SBCER_SEMI_CLK_EN (0x0029)
#define U300_SYSCON_SBCER_XGAM_CLK_EN (0x0028)
#define U300_SYSCON_SBCER_VIDEO_ENC_CLK_EN (0x0027)
#define U300_SYSCON_SBCER_NANDIF_CLK_EN (0x0026)
#define U300_SYSCON_SBCER_EMIF_CLK_EN (0x0025)
#define U300_SYSCON_SBCER_DMAC_CLK_EN (0x0024)
#define U300_SYSCON_SBCER_CPU_CLK_EN (0x0023)
#define U300_SYSCON_SBCER_APEX_CLK_EN (0x0022)
#define U300_SYSCON_SBCER_AHB_CLK_EN (0x0021)
#define U300_SYSCON_SBCER_AAIF_CLK_EN (0x0020)
/* Single block clock disable 16bit (-/W) */
#define U300_SYSCON_SBCDR (0x0030)
/* Same values as above for SBCER */
/* Clock force SLOW peripherals 16bit (R/W) */
#define U300_SYSCON_CFSR (0x003c)
#ifdef CONFIG_MACH_U300_BS335
#define U300_SYSCON_CFSR_PPM_CLK_FORCE_EN (0x0200)
#endif
#define U300_SYSCON_CFSR_ACC_TMR_CLK_FORCE_EN (0x0100)
#define U300_SYSCON_CFSR_APP_TMR_CLK_FORCE_EN (0x0080)
#define U300_SYSCON_CFSR_KEYPAD_CLK_FORCE_EN (0x0020)
#define U300_SYSCON_CFSR_GPIO_CLK_FORCE_EN (0x0010)
#define U300_SYSCON_CFSR_EH_CLK_FORCE_EN (0x0008)
#define U300_SYSCON_CFSR_BTR_CLK_FORCE_EN (0x0004)
#define U300_SYSCON_CFSR_UART_CLK_FORCE_EN (0x0002)
#define U300_SYSCON_CFSR_SLOW_BRIDGE_CLK_FORCE_EN (0x0001)
/* Clock force FAST peripherals 16bit (R/W) */
#define U300_SYSCON_CFFR (0x40)
/* Values not defined. Define if you want to use them. */
/* Clock force the rest of the peripherals 16bit (R/W) */
#define U300_SYSCON_CFRR (0x44)
#ifdef CONFIG_MACH_U300_BS335
#define U300_SYSCON_CFRR_CDS_CLK_FORCE_EN (0x2000)
#define U300_SYSCON_CFRR_ISP_CLK_FORCE_EN (0x1000)
#endif
#define U300_SYSCON_CFRR_MSPRO_CLK_FORCE_EN (0x0800)
#define U300_SYSCON_CFRR_AHB_SUBSYS_BRIDGE_CLK_FORCE_EN (0x0400)
#define U300_SYSCON_CFRR_SEMI_CLK_FORCE_EN (0x0200)
#define U300_SYSCON_CFRR_XGAM_CLK_FORCE_EN (0x0100)
#define U300_SYSCON_CFRR_VIDEO_ENC_CLK_FORCE_EN (0x0080)
#define U300_SYSCON_CFRR_NANDIF_CLK_FORCE_EN (0x0040)
#define U300_SYSCON_CFRR_EMIF_CLK_FORCE_EN (0x0020)
#define U300_SYSCON_CFRR_DMAC_CLK_FORCE_EN (0x0010)
#define U300_SYSCON_CFRR_CPU_CLK_FORCE_EN (0x0008)
#define U300_SYSCON_CFRR_APEX_CLK_FORCE_EN (0x0004)
#define U300_SYSCON_CFRR_AHB_CLK_FORCE_EN (0x0002)
#define U300_SYSCON_CFRR_AAIF_CLK_FORCE_EN (0x0001)
/* PLL208 Frequency Control 16bit (R/W) */
#define U300_SYSCON_PFCR (0x48)
#define U300_SYSCON_PFCR_DPLL_MULT_NUM (0x000F)
/* Power Management Control 16bit (R/W) */
#define U300_SYSCON_PMCR (0x50)
#define U300_SYSCON_PMCR_DCON_ENABLE (0x0002)
#define U300_SYSCON_PMCR_PWR_MGNT_ENABLE (0x0001)
/*
* All other clocking registers moved to clock.c!
*/
/* Reset Out 16bit (R/W) */
#define U300_SYSCON_RCR (0x6c)
#define U300_SYSCON_RCR_RESOUT0_RST_N_DISABLE (0x0001)
/* EMIF Slew Rate Control 16bit (R/W) */
#define U300_SYSCON_SRCLR (0x70)
#define U300_SYSCON_SRCLR_MASK (0x03FF)
#define U300_SYSCON_SRCLR_VALUE (0x03FF)
#define U300_SYSCON_SRCLR_EMIF_1_SLRC_5_B (0x0200)
#define U300_SYSCON_SRCLR_EMIF_1_SLRC_5_A (0x0100)
#define U300_SYSCON_SRCLR_EMIF_1_SLRC_4_B (0x0080)
#define U300_SYSCON_SRCLR_EMIF_1_SLRC_4_A (0x0040)
#define U300_SYSCON_SRCLR_EMIF_1_SLRC_3_B (0x0020)
#define U300_SYSCON_SRCLR_EMIF_1_SLRC_3_A (0x0010)
#define U300_SYSCON_SRCLR_EMIF_1_SLRC_2_B (0x0008)
#define U300_SYSCON_SRCLR_EMIF_1_SLRC_2_A (0x0004)
#define U300_SYSCON_SRCLR_EMIF_1_SLRC_1_B (0x0002)
#define U300_SYSCON_SRCLR_EMIF_1_SLRC_1_A (0x0001)
/* EMIF Clock Control Register 16bit (R/W) */
#define U300_SYSCON_ECCR (0x0078)
#define U300_SYSCON_ECCR_MASK (0x000F)
#define U300_SYSCON_ECCR_EMIF_1_STATIC_CLK_EN_N_DISABLE (0x0008)
#define U300_SYSCON_ECCR_EMIF_1_RET_OUT_CLK_EN_N_DISABLE (0x0004)
#define U300_SYSCON_ECCR_EMIF_MEMCLK_RET_EN_N_DISABLE (0x0002)
#define U300_SYSCON_ECCR_EMIF_SDRCLK_RET_EN_N_DISABLE (0x0001)
/* PAD MUX Control register 1 (LOW) 16bit (R/W) */
#define U300_SYSCON_PMC1LR (0x007C)
#define U300_SYSCON_PMC1LR_MASK (0xFFFF)
#define U300_SYSCON_PMC1LR_CDI_MASK (0xC000)
#define U300_SYSCON_PMC1LR_CDI_CDI (0x0000)
#define U300_SYSCON_PMC1LR_CDI_EMIF (0x4000)
#define U300_SYSCON_PMC1LR_CDI_GPIO (0x8000)
#define U300_SYSCON_PMC1LR_CDI_WCDMA (0xC000)
#define U300_SYSCON_PMC1LR_PDI_MASK (0x3000)
#define U300_SYSCON_PMC1LR_PDI_PDI (0x0000)
#define U300_SYSCON_PMC1LR_PDI_EGG (0x1000)
#define U300_SYSCON_PMC1LR_PDI_WCDMA (0x3000)
#define U300_SYSCON_PMC1LR_MMCSD_MASK (0x0C00)
#define U300_SYSCON_PMC1LR_MMCSD_MMCSD (0x0000)
#define U300_SYSCON_PMC1LR_MMCSD_MSPRO (0x0400)
#define U300_SYSCON_PMC1LR_MMCSD_DSP (0x0800)
#define U300_SYSCON_PMC1LR_MMCSD_WCDMA (0x0C00)
#define U300_SYSCON_PMC1LR_ETM_MASK (0x0300)
#define U300_SYSCON_PMC1LR_ETM_ACC (0x0000)
#define U300_SYSCON_PMC1LR_ETM_APP (0x0100)
#define U300_SYSCON_PMC1LR_EMIF_1_CS2_MASK (0x00C0)
#define U300_SYSCON_PMC1LR_EMIF_1_CS2_STATIC (0x0000)
#define U300_SYSCON_PMC1LR_EMIF_1_CS2_NFIF (0x0040)
#define U300_SYSCON_PMC1LR_EMIF_1_CS2_SDRAM (0x0080)
#define U300_SYSCON_PMC1LR_EMIF_1_CS2_STATIC_2GB (0x00C0)
#define U300_SYSCON_PMC1LR_EMIF_1_CS1_MASK (0x0030)
#define U300_SYSCON_PMC1LR_EMIF_1_CS1_STATIC (0x0000)
#define U300_SYSCON_PMC1LR_EMIF_1_CS1_NFIF (0x0010)
#define U300_SYSCON_PMC1LR_EMIF_1_CS1_SDRAM (0x0020)
#define U300_SYSCON_PMC1LR_EMIF_1_CS1_SEMI (0x0030)
#define U300_SYSCON_PMC1LR_EMIF_1_CS0_MASK (0x000C)
#define U300_SYSCON_PMC1LR_EMIF_1_CS0_STATIC (0x0000)
#define U300_SYSCON_PMC1LR_EMIF_1_CS0_NFIF (0x0004)
#define U300_SYSCON_PMC1LR_EMIF_1_CS0_SDRAM (0x0008)
#define U300_SYSCON_PMC1LR_EMIF_1_CS0_SEMI (0x000C)
#define U300_SYSCON_PMC1LR_EMIF_1_MASK (0x0003)
#define U300_SYSCON_PMC1LR_EMIF_1_STATIC (0x0000)
#define U300_SYSCON_PMC1LR_EMIF_1_SDRAM0 (0x0001)
#define U300_SYSCON_PMC1LR_EMIF_1_SDRAM1 (0x0002)
#define U300_SYSCON_PMC1LR_EMIF_1 (0x0003)
/* PAD MUX Control register 2 (HIGH) 16bit (R/W) */
#define U300_SYSCON_PMC1HR (0x007E)
#define U300_SYSCON_PMC1HR_MASK (0xFFFF)
#define U300_SYSCON_PMC1HR_MISC_2_MASK (0xC000)
#define U300_SYSCON_PMC1HR_MISC_2_APP_GPIO (0x0000)
#define U300_SYSCON_PMC1HR_MISC_2_MSPRO (0x4000)
#define U300_SYSCON_PMC1HR_MISC_2_DSP (0x8000)
#define U300_SYSCON_PMC1HR_MISC_2_AAIF (0xC000)
#define U300_SYSCON_PMC1HR_APP_GPIO_2_MASK (0x3000)
#define U300_SYSCON_PMC1HR_APP_GPIO_2_APP_GPIO (0x0000)
#define U300_SYSCON_PMC1HR_APP_GPIO_2_NFIF (0x1000)
#define U300_SYSCON_PMC1HR_APP_GPIO_2_DSP (0x2000)
#define U300_SYSCON_PMC1HR_APP_GPIO_2_AAIF (0x3000)
#define U300_SYSCON_PMC1HR_APP_GPIO_1_MASK (0x0C00)
#define U300_SYSCON_PMC1HR_APP_GPIO_1_APP_GPIO (0x0000)
#define U300_SYSCON_PMC1HR_APP_GPIO_1_MMC (0x0400)
#define U300_SYSCON_PMC1HR_APP_GPIO_1_DSP (0x0800)
#define U300_SYSCON_PMC1HR_APP_GPIO_1_AAIF (0x0C00)
#define U300_SYSCON_PMC1HR_APP_SPI_CS_2_MASK (0x0300)
#define U300_SYSCON_PMC1HR_APP_SPI_CS_2_APP_GPIO (0x0000)
#define U300_SYSCON_PMC1HR_APP_SPI_CS_2_SPI (0x0100)
#define U300_SYSCON_PMC1HR_APP_SPI_CS_2_AAIF (0x0300)
#define U300_SYSCON_PMC1HR_APP_SPI_CS_1_MASK (0x00C0)
#define U300_SYSCON_PMC1HR_APP_SPI_CS_1_APP_GPIO (0x0000)
#define U300_SYSCON_PMC1HR_APP_SPI_CS_1_SPI (0x0040)
#define U300_SYSCON_PMC1HR_APP_SPI_CS_1_AAIF (0x00C0)
#define U300_SYSCON_PMC1HR_APP_SPI_2_MASK (0x0030)
#define U300_SYSCON_PMC1HR_APP_SPI_2_APP_GPIO (0x0000)
#define U300_SYSCON_PMC1HR_APP_SPI_2_SPI (0x0010)
#define U300_SYSCON_PMC1HR_APP_SPI_2_DSP (0x0020)
#define U300_SYSCON_PMC1HR_APP_SPI_2_AAIF (0x0030)
#define U300_SYSCON_PMC1HR_APP_UART0_2_MASK (0x000C)
#define U300_SYSCON_PMC1HR_APP_UART0_2_APP_GPIO (0x0000)
#define U300_SYSCON_PMC1HR_APP_UART0_2_UART0 (0x0004)
#define U300_SYSCON_PMC1HR_APP_UART0_2_NFIF_CS (0x0008)
#define U300_SYSCON_PMC1HR_APP_UART0_2_AAIF (0x000C)
#define U300_SYSCON_PMC1HR_APP_UART0_1_MASK (0x0003)
#define U300_SYSCON_PMC1HR_APP_UART0_1_APP_GPIO (0x0000)
#define U300_SYSCON_PMC1HR_APP_UART0_1_UART0 (0x0001)
#define U300_SYSCON_PMC1HR_APP_UART0_1_AAIF (0x0003)
/* Step one for killing the applications system 16bit (-/W) */
#define U300_SYSCON_KA1R (0x0080)
#define U300_SYSCON_KA1R_MASK (0xFFFF)
#define U300_SYSCON_KA1R_VALUE (0xFFFF)
/* Step two for killing the application system 16bit (-/W) */
#define U300_SYSCON_KA2R (0x0084)
#define U300_SYSCON_KA2R_MASK (0xFFFF)
#define U300_SYSCON_KA2R_VALUE (0xFFFF)
/* MMC/MSPRO frequency divider register 0 16bit (R/W) */
#define U300_SYSCON_MMF0R (0x90)
#define U300_SYSCON_MMF0R_MASK (0x00FF)
#define U300_SYSCON_MMF0R_FREQ_0_HIGH_MASK (0x00F0)
#define U300_SYSCON_MMF0R_FREQ_0_LOW_MASK (0x000F)
/* MMC/MSPRO frequency divider register 1 16bit (R/W) */
#define U300_SYSCON_MMF1R (0x94)
#define U300_SYSCON_MMF1R_MASK (0x00FF)
#define U300_SYSCON_MMF1R_FREQ_1_HIGH_MASK (0x00F0)
#define U300_SYSCON_MMF1R_FREQ_1_LOW_MASK (0x000F)
/* AAIF control register 16 bit (R/W) */
#define U300_SYSCON_AAIFCR (0x98)
#define U300_SYSCON_AAIFCR_MASK (0x0003)
#define U300_SYSCON_AAIFCR_AASW_CTRL_MASK (0x0003)
#define U300_SYSCON_AAIFCR_AASW_CTRL_FUNCTIONAL (0x0000)
#define U300_SYSCON_AAIFCR_AASW_CTRL_MONITORING (0x0001)
#define U300_SYSCON_AAIFCR_AASW_CTRL_ACC_TO_EXT (0x0002)
#define U300_SYSCON_AAIFCR_AASW_CTRL_APP_TO_EXT (0x0003)
/* Clock control for the MMC and MSPRO blocks 16bit (R/W) */
#define U300_SYSCON_MMCR (0x9C)
#define U300_SYSCON_MMCR_MASK (0x0003)
#define U300_SYSCON_MMCR_MMC_FB_CLK_SEL_ENABLE (0x0002)
#define U300_SYSCON_MMCR_MSPRO_FREQSEL_ENABLE (0x0001)
/* TODO: More SYSCON registers missing */
#define U300_SYSCON_PMC3R (0x10c)
#define U300_SYSCON_PMC3R_APP_MISC_11_MASK (0xc000)
#define U300_SYSCON_PMC3R_APP_MISC_11_SPI (0x4000)
#define U300_SYSCON_PMC3R_APP_MISC_10_MASK (0x3000)
#define U300_SYSCON_PMC3R_APP_MISC_10_SPI (0x1000)
/* TODO: Missing other configs, I just added the SPI stuff */
/* SYS_0_CLK_CONTROL first clock control 16bit (R/W) */
#define U300_SYSCON_S0CCR (0x120)
#define U300_SYSCON_S0CCR_FIELD_MASK (0x43FF)
#define U300_SYSCON_S0CCR_CLOCK_REQ (0x4000)
#define U300_SYSCON_S0CCR_CLOCK_INV (0x0200)
#define U300_SYSCON_S0CCR_CLOCK_FREQ_MASK (0x01E0)
#define U300_SYSCON_S0CCR_CLOCK_SELECT_MASK (0x001E)
#define U300_SYSCON_S0CCR_CLOCK_ENABLE (0x0001)
#define U300_SYSCON_S0CCR_SEL_MCLK (0x8<<1)
#define U300_SYSCON_S0CCR_SEL_ACC_FSM_CLK (0xA<<1)
#define U300_SYSCON_S0CCR_SEL_PLL60_48_CLK (0xC<<1)
#define U300_SYSCON_S0CCR_SEL_PLL60_60_CLK (0xD<<1)
#define U300_SYSCON_S0CCR_SEL_ACC_PLL208_CLK (0xE<<1)
#define U300_SYSCON_S0CCR_SEL_APP_PLL13_CLK (0x0<<1)
#define U300_SYSCON_S0CCR_SEL_APP_FSM_CLK (0x2<<1)
#define U300_SYSCON_S0CCR_SEL_RTC_CLK (0x4<<1)
#define U300_SYSCON_S0CCR_SEL_APP_PLL208_CLK (0x6<<1)
/* SYS_1_CLK_CONTROL second clock control 16 bit (R/W) */
#define U300_SYSCON_S1CCR (0x124)
#define U300_SYSCON_S1CCR_FIELD_MASK (0x43FF)
#define U300_SYSCON_S1CCR_CLOCK_REQ (0x4000)
#define U300_SYSCON_S1CCR_CLOCK_INV (0x0200)
#define U300_SYSCON_S1CCR_CLOCK_FREQ_MASK (0x01E0)
#define U300_SYSCON_S1CCR_CLOCK_SELECT_MASK (0x001E)
#define U300_SYSCON_S1CCR_CLOCK_ENABLE (0x0001)
#define U300_SYSCON_S1CCR_SEL_MCLK (0x8<<1)
#define U300_SYSCON_S1CCR_SEL_ACC_FSM_CLK (0xA<<1)
#define U300_SYSCON_S1CCR_SEL_PLL60_48_CLK (0xC<<1)
#define U300_SYSCON_S1CCR_SEL_PLL60_60_CLK (0xD<<1)
#define U300_SYSCON_S1CCR_SEL_ACC_PLL208_CLK (0xE<<1)
#define U300_SYSCON_S1CCR_SEL_ACC_PLL13_CLK (0x0<<1)
#define U300_SYSCON_S1CCR_SEL_APP_FSM_CLK (0x2<<1)
#define U300_SYSCON_S1CCR_SEL_RTC_CLK (0x4<<1)
#define U300_SYSCON_S1CCR_SEL_APP_PLL208_CLK (0x6<<1)
/* SYS_2_CLK_CONTROL third clock contol 16 bit (R/W) */
#define U300_SYSCON_S2CCR (0x128)
#define U300_SYSCON_S2CCR_FIELD_MASK (0xC3FF)
#define U300_SYSCON_S2CCR_CLK_STEAL (0x8000)
#define U300_SYSCON_S2CCR_CLOCK_REQ (0x4000)
#define U300_SYSCON_S2CCR_CLOCK_INV (0x0200)
#define U300_SYSCON_S2CCR_CLOCK_FREQ_MASK (0x01E0)
#define U300_SYSCON_S2CCR_CLOCK_SELECT_MASK (0x001E)
#define U300_SYSCON_S2CCR_CLOCK_ENABLE (0x0001)
#define U300_SYSCON_S2CCR_SEL_MCLK (0x8<<1)
#define U300_SYSCON_S2CCR_SEL_ACC_FSM_CLK (0xA<<1)
#define U300_SYSCON_S2CCR_SEL_PLL60_48_CLK (0xC<<1)
#define U300_SYSCON_S2CCR_SEL_PLL60_60_CLK (0xD<<1)
#define U300_SYSCON_S2CCR_SEL_ACC_PLL208_CLK (0xE<<1)
#define U300_SYSCON_S2CCR_SEL_ACC_PLL13_CLK (0x0<<1)
#define U300_SYSCON_S2CCR_SEL_APP_FSM_CLK (0x2<<1)
#define U300_SYSCON_S2CCR_SEL_RTC_CLK (0x4<<1)
#define U300_SYSCON_S2CCR_SEL_APP_PLL208_CLK (0x6<<1)
/* SYS_MISC_CONTROL, miscellaneous 16bit (R/W) */
#define U300_SYSCON_MCR (0x12c)
#define U300_SYSCON_MCR_FIELD_MASK (0x00FF)
#define U300_SYSCON_MCR_PMGEN_CR_4_MASK (0x00C0)
#define U300_SYSCON_MCR_PMGEN_CR_4_GPIO (0x0000)
#define U300_SYSCON_MCR_PMGEN_CR_4_SPI (0x0040)
#define U300_SYSCON_MCR_PMGEN_CR_4_AAIF (0x00C0)
#define U300_SYSCON_MCR_PMGEN_CR_2_MASK (0x0030)
#define U300_SYSCON_MCR_PMGEN_CR_2_GPIO (0x0000)
#define U300_SYSCON_MCR_PMGEN_CR_2_EMIF_1_STATIC (0x0010)
#define U300_SYSCON_MCR_PMGEN_CR_2_DSP (0x0020)
#define U300_SYSCON_MCR_PMGEN_CR_2_AAIF (0x0030)
#define U300_SYSCON_MCR_PMGEN_CR_0_MASK (0x000C)
#define U300_SYSCON_MCR_PMGEN_CR_0_EMIF_1_SDRAM_M1 (0x0000)
#define U300_SYSCON_MCR_PMGEN_CR_0_EMIF_1_SDRAM_M2 (0x0004)
#define U300_SYSCON_MCR_PMGEN_CR_0_EMIF_1_SDRAM_M3 (0x0008)
#define U300_SYSCON_MCR_PMGEN_CR_0_EMIF_0_SDRAM (0x000C)
#define U300_SYSCON_MCR_PM1G_MODE_ENABLE (0x0002)
#define U300_SYSCON_MCR_PMTG5_MODE_ENABLE (0x0001)
/* Clock activity observability register 0 */
#define U300_SYSCON_C0OAR (0x140)
#define U300_SYSCON_C0OAR_MASK (0xFFFF)
#define U300_SYSCON_C0OAR_VALUE (0xFFFF)
#define U300_SYSCON_C0OAR_BT_H_CLK (0x8000)
#define U300_SYSCON_C0OAR_ASPB_P_CLK (0x4000)
#define U300_SYSCON_C0OAR_APP_SEMI_H_CLK (0x2000)
#define U300_SYSCON_C0OAR_APP_SEMI_CLK (0x1000)
#define U300_SYSCON_C0OAR_APP_MMC_MSPRO_CLK (0x0800)
#define U300_SYSCON_C0OAR_APP_I2S1_CLK (0x0400)
#define U300_SYSCON_C0OAR_APP_I2S0_CLK (0x0200)
#define U300_SYSCON_C0OAR_APP_CPU_CLK (0x0100)
#define U300_SYSCON_C0OAR_APP_52_CLK (0x0080)
#define U300_SYSCON_C0OAR_APP_208_CLK (0x0040)
#define U300_SYSCON_C0OAR_APP_104_CLK (0x0020)
#define U300_SYSCON_C0OAR_APEX_CLK (0x0010)
#define U300_SYSCON_C0OAR_AHPB_M_H_CLK (0x0008)
#define U300_SYSCON_C0OAR_AHB_CLK (0x0004)
#define U300_SYSCON_C0OAR_AFPB_P_CLK (0x0002)
#define U300_SYSCON_C0OAR_AAIF_CLK (0x0001)
/* Clock activity observability register 1 */
#define U300_SYSCON_C1OAR (0x144)
#define U300_SYSCON_C1OAR_MASK (0x3FFE)
#define U300_SYSCON_C1OAR_VALUE (0x3FFE)
#define U300_SYSCON_C1OAR_NFIF_F_CLK (0x2000)
#define U300_SYSCON_C1OAR_MSPRO_CLK (0x1000)
#define U300_SYSCON_C1OAR_MMC_P_CLK (0x0800)
#define U300_SYSCON_C1OAR_MMC_CLK (0x0400)
#define U300_SYSCON_C1OAR_KP_P_CLK (0x0200)
#define U300_SYSCON_C1OAR_I2C1_P_CLK (0x0100)
#define U300_SYSCON_C1OAR_I2C0_P_CLK (0x0080)
#define U300_SYSCON_C1OAR_GPIO_CLK (0x0040)
#define U300_SYSCON_C1OAR_EMIF_MPMC_CLK (0x0020)
#define U300_SYSCON_C1OAR_EMIF_H_CLK (0x0010)
#define U300_SYSCON_C1OAR_EVHIST_CLK (0x0008)
#define U300_SYSCON_C1OAR_PPM_CLK (0x0004)
#define U300_SYSCON_C1OAR_DMA_CLK (0x0002)
/* Clock activity observability register 2 */
#define U300_SYSCON_C2OAR (0x148)
#define U300_SYSCON_C2OAR_MASK (0x0FFF)
#define U300_SYSCON_C2OAR_VALUE (0x0FFF)
#define U300_SYSCON_C2OAR_XGAM_CDI_CLK (0x0800)
#define U300_SYSCON_C2OAR_XGAM_CLK (0x0400)
#define U300_SYSCON_C2OAR_VC_H_CLK (0x0200)
#define U300_SYSCON_C2OAR_VC_CLK (0x0100)
#define U300_SYSCON_C2OAR_UA_P_CLK (0x0080)
#define U300_SYSCON_C2OAR_TMR1_CLK (0x0040)
#define U300_SYSCON_C2OAR_TMR0_CLK (0x0020)
#define U300_SYSCON_C2OAR_SPI_P_CLK (0x0010)
#define U300_SYSCON_C2OAR_PCM_I2S1_CORE_CLK (0x0008)
#define U300_SYSCON_C2OAR_PCM_I2S1_CLK (0x0004)
#define U300_SYSCON_C2OAR_PCM_I2S0_CORE_CLK (0x0002)
#define U300_SYSCON_C2OAR_PCM_I2S0_CLK (0x0001)
/* Chip ID register 16bit (R/-) */
#define U300_SYSCON_CIDR (0x400)
/* Video IRQ clear 16bit (R/W) */
#define U300_SYSCON_VICR (0x404)
#define U300_SYSCON_VICR_VIDEO1_IRQ_CLEAR_ENABLE (0x0002)
#define U300_SYSCON_VICR_VIDEO0_IRQ_CLEAR_ENABLE (0x0001)
/* SMCR */
#define U300_SYSCON_SMCR (0x4d0)
#define U300_SYSCON_SMCR_FIELD_MASK (0x000e)
#define U300_SYSCON_SMCR_SEMI_SREFACK_IND (0x0008)
#define U300_SYSCON_SMCR_SEMI_SREFREQ_ENABLE (0x0004)
#define U300_SYSCON_SMCR_SEMI_EXT_BOOT_MODE_ENABLE (0x0002)
/* CPU_SW_DBGEN Software Debug Enable 16bit (R/W) */
#define U300_SYSCON_CSDR (0x4f0)
#define U300_SYSCON_CSDR_SW_DEBUG_ENABLE (0x0001)
/* PRINT_CONTROL Print Control 16bit (R/-) */
#define U300_SYSCON_PCR (0x4f8)
#define U300_SYSCON_PCR_SERV_IND (0x0001)
/* BOOT_CONTROL 16bit (R/-) */
#define U300_SYSCON_BCR (0x4fc)
#define U300_SYSCON_BCR_ACC_CPU_SUBSYS_VINITHI_IND (0x0400)
#define U300_SYSCON_BCR_APP_CPU_SUBSYS_VINITHI_IND (0x0200)
#define U300_SYSCON_BCR_EXTRA_BOOT_OPTION_MASK (0x01FC)
#define U300_SYSCON_BCR_APP_BOOT_SERV_MASK (0x0003)
/* CPU clock defines */
/**
* CPU high frequency in MHz
*/
#define SYSCON_CPU_CLOCK_HIGH 208
/**
* CPU medium frequency in MHz
*/
#define SYSCON_CPU_CLOCK_MEDIUM 104
/**
* CPU low frequency in MHz
*/
#define SYSCON_CPU_CLOCK_LOW 13
/* EMIF clock defines */
/**
* EMIF high frequency in MHz
*/
#define SYSCON_EMIF_CLOCK_HIGH 104
/**
* EMIF medium frequency in MHz
*/
#define SYSCON_EMIF_CLOCK_MEDIUM 104
/**
* EMIF low frequency in MHz
*/
#define SYSCON_EMIF_CLOCK_LOW 13
/* AHB clock defines */
/**
* AHB high frequency in MHz
*/
#define SYSCON_AHB_CLOCK_HIGH 52
/**
* AHB medium frequency in MHz
*/
#define SYSCON_AHB_CLOCK_MEDIUM 52
/**
* AHB low frequency in MHz
*/
#define SYSCON_AHB_CLOCK_LOW 7 /* i.e 13/2=6.5MHz */
enum syscon_busmaster {
SYSCON_BM_DMAC,
SYSCON_BM_XGAM,
SYSCON_BM_VIDEO_ENC
};
/*
* Note that this array must match the order of the array "clk_reg"
* in syscon.c
*/
enum syscon_clk {
SYSCON_CLKCONTROL_SLOW_BRIDGE,
SYSCON_CLKCONTROL_UART,
SYSCON_CLKCONTROL_BTR,
SYSCON_CLKCONTROL_EH,
SYSCON_CLKCONTROL_GPIO,
SYSCON_CLKCONTROL_KEYPAD,
SYSCON_CLKCONTROL_APP_TIMER,
SYSCON_CLKCONTROL_ACC_TIMER,
SYSCON_CLKCONTROL_FAST_BRIDGE,
SYSCON_CLKCONTROL_I2C0,
SYSCON_CLKCONTROL_I2C1,
SYSCON_CLKCONTROL_I2S0,
SYSCON_CLKCONTROL_I2S1,
SYSCON_CLKCONTROL_MMC,
SYSCON_CLKCONTROL_SPI,
SYSCON_CLKCONTROL_I2S0_CORE,
SYSCON_CLKCONTROL_I2S1_CORE,
SYSCON_CLKCONTROL_AAIF,
SYSCON_CLKCONTROL_AHB,
SYSCON_CLKCONTROL_APEX,
SYSCON_CLKCONTROL_CPU,
SYSCON_CLKCONTROL_DMA,
SYSCON_CLKCONTROL_EMIF,
SYSCON_CLKCONTROL_NAND_IF,
SYSCON_CLKCONTROL_VIDEO_ENC,
SYSCON_CLKCONTROL_XGAM,
SYSCON_CLKCONTROL_SEMI,
SYSCON_CLKCONTROL_AHB_SUBSYS,
SYSCON_CLKCONTROL_MSPRO
};
enum syscon_sysclk_mode {
SYSCON_SYSCLK_DISABLED,
SYSCON_SYSCLK_M_CLK,
SYSCON_SYSCLK_ACC_FSM,
SYSCON_SYSCLK_PLL60_48,
SYSCON_SYSCLK_PLL60_60,
SYSCON_SYSCLK_ACC_PLL208,
SYSCON_SYSCLK_APP_PLL13,
SYSCON_SYSCLK_APP_FSM,
SYSCON_SYSCLK_RTC,
SYSCON_SYSCLK_APP_PLL208
};
enum syscon_sysclk_req {
SYSCON_SYSCLKREQ_DISABLED,
SYSCON_SYSCLKREQ_ACTIVE_LOW
};
enum syscon_clk_mode {
SYSCON_CLKMODE_OFF,
SYSCON_CLKMODE_DEFAULT,
SYSCON_CLKMODE_LOW,
SYSCON_CLKMODE_MEDIUM,
SYSCON_CLKMODE_HIGH,
SYSCON_CLKMODE_PERMANENT,
SYSCON_CLKMODE_ON,
};
enum syscon_call_mode {
SYSCON_CLKCALL_NOWAIT,
SYSCON_CLKCALL_WAIT,
};
int syscon_dc_on(bool keep_power_on);
int syscon_set_busmaster_active_state(enum syscon_busmaster busmaster,
bool active);
bool syscon_get_busmaster_active_state(void);
int syscon_set_sleep_mask(enum syscon_clk,
bool sleep_ctrl);
int syscon_config_sysclk(u32 sysclk,
enum syscon_sysclk_mode sysclkmode,
bool inverse,
u32 divisor,
enum syscon_sysclk_req sysclkreq);
bool syscon_can_turn_off_semi_clock(void);
/* This function is restricted to core.c */
int syscon_request_normal_power(bool req);
/* This function is restricted to be used by platform_speed.c */
int syscon_speed_request(enum syscon_call_mode wait_mode,
enum syscon_clk_mode req_clk_mode);
#endif /* __MACH_SYSCON_H */
arch/arm/mach-u300/include/mach/system.h 0 → 100644
View file @ b7c11ec9
/*
*
* arch/arm/mach-u300/include/mach/system.h
*
*
* Copyright (C) 2007-2009 ST-Ericsson AB
* License terms: GNU General Public License (GPL) version 2
* System shutdown and reset functions.
* Author: Linus Walleij <linus.walleij@stericsson.com>
*/
#include <mach/hardware.h>
#include <asm/io.h>
#include <asm/hardware/vic.h>
#include <asm/irq.h>
/* Forward declare this function from the watchdog */
void coh901327_watchdog_reset(void);
static inline void arch_idle(void)
{
cpu_do_idle();
}
static void arch_reset(char mode, const char *cmd)
{
switch (mode) {
case 's':
case 'h':
printk(KERN_CRIT "RESET: shutting down/rebooting system\n");
/* Disable interrupts */
local_irq_disable();
#ifdef CONFIG_COH901327_WATCHDOG
coh901327_watchdog_reset();
#endif
break;
default:
/* Do nothing */
break;
}
/* Wait for system do die/reset. */
while (1);
}
arch/arm/mach-u300/include/mach/timex.h 0 → 100644
View file @ b7c11ec9
/*
*
* arch/arm/mach-u300/include/mach/timex.h
*
*
* Copyright (C) 2006-2009 ST-Ericsson AB
* License terms: GNU General Public License (GPL) version 2
* Platform tick rate definition.
* Author: Linus Walleij <linus.walleij@stericsson.com>
*/
#ifndef __MACH_TIMEX_H
#define __MACH_TIMEX_H
/* This is for the APP OS GP1 (General Purpose 1) timer */
#define CLOCK_TICK_RATE 1000000
#endif
arch/arm/mach-u300/include/mach/u300-regs.h 0 → 100644
View file @ b7c11ec9
/*
*
* arch/arm/mach-u300/include/mach/u300-regs.h
*
*
* Copyright (C) 2006-2009 ST-Ericsson AB
* License terms: GNU General Public License (GPL) version 2
* Basic register address definitions in physical memory and
* some block defintions for core devices like the timer.
* Author: Linus Walleij <linus.walleij@stericsson.com>
*/
#ifndef __MACH_U300_REGS_H
#define __MACH_U300_REGS_H
/*
* These are the large blocks of memory allocated for I/O.
* the defines are used for setting up the I/O memory mapping.
*/
/* NAND Flash CS0 */
#define U300_NAND_CS0_PHYS_BASE 0x80000000
#define U300_NAND_CS0_VIRT_BASE 0xff040000
/* NFIF */
#define U300_NAND_IF_PHYS_BASE 0x9f800000
#define U300_NAND_IF_VIRT_BASE 0xff030000
/* AHB Peripherals */
#define U300_AHB_PER_PHYS_BASE 0xa0000000
#define U300_AHB_PER_VIRT_BASE 0xff010000
/* FAST Peripherals */
#define U300_FAST_PER_PHYS_BASE 0xc0000000
#define U300_FAST_PER_VIRT_BASE 0xff020000
/* SLOW Peripherals */
#define U300_SLOW_PER_PHYS_BASE 0xc0010000
#define U300_SLOW_PER_VIRT_BASE 0xff000000
/* Boot ROM */
#define U300_BOOTROM_PHYS_BASE 0xffff0000
#define U300_BOOTROM_VIRT_BASE 0xffff0000
/* SEMI config base */
#ifdef CONFIG_MACH_U300_BS335
#define U300_SEMI_CONFIG_BASE 0x2FFE0000
#else
#define U300_SEMI_CONFIG_BASE 0x30000000
#endif
/*
* All the following peripherals are specified at their PHYSICAL address,
* so if you need to access them (in the kernel), you MUST use the macros
* defined in <asm/io.h> to map to the IO_ADDRESS_AHB() IO_ADDRESS_FAST()
* etc.
*/
/*
* AHB peripherals
*/
/* AHB Peripherals Bridge Controller */
#define U300_AHB_BRIDGE_BASE (U300_AHB_PER_PHYS_BASE+0x0000)
/* Vectored Interrupt Controller 0, servicing 32 interrupts */
#define U300_INTCON0_BASE (U300_AHB_PER_PHYS_BASE+0x1000)
#define U300_INTCON0_VBASE (U300_AHB_PER_VIRT_BASE+0x1000)
/* Vectored Interrupt Controller 1, servicing 32 interrupts */
#define U300_INTCON1_BASE (U300_AHB_PER_PHYS_BASE+0x2000)
#define U300_INTCON1_VBASE (U300_AHB_PER_VIRT_BASE+0x2000)
/* Memory Stick Pro (MSPRO) controller */
#define U300_MSPRO_BASE (U300_AHB_PER_PHYS_BASE+0x3000)
/* EMIF Configuration Area */
#define U300_EMIF_CFG_BASE (U300_AHB_PER_PHYS_BASE+0x4000)
/*
* FAST peripherals
*/
/* FAST bridge control */
#define U300_FAST_BRIDGE_BASE (U300_FAST_PER_PHYS_BASE+0x0000)
/* MMC/SD controller */
#define U300_MMCSD_BASE (U300_FAST_PER_PHYS_BASE+0x1000)
/* PCM I2S0 controller */
#define U300_PCM_I2S0_BASE (U300_FAST_PER_PHYS_BASE+0x2000)
/* PCM I2S1 controller */
#define U300_PCM_I2S1_BASE (U300_FAST_PER_PHYS_BASE+0x3000)
/* I2C0 controller */
#define U300_I2C0_BASE (U300_FAST_PER_PHYS_BASE+0x4000)
/* I2C1 controller */
#define U300_I2C1_BASE (U300_FAST_PER_PHYS_BASE+0x5000)
/* SPI controller */
#define U300_SPI_BASE (U300_FAST_PER_PHYS_BASE+0x6000)
#ifdef CONFIG_MACH_U300_BS335
/* Fast UART1 on U335 only */
#define U300_UART1_BASE (U300_SLOW_PER_PHYS_BASE+0x7000)
#endif
/*
* SLOW peripherals
*/
/* SLOW bridge control */
#define U300_SLOW_BRIDGE_BASE (U300_SLOW_PER_PHYS_BASE)
/* SYSCON */
#define U300_SYSCON_BASE (U300_SLOW_PER_PHYS_BASE+0x1000)
#define U300_SYSCON_VBASE (U300_SLOW_PER_VIRT_BASE+0x1000)
/* Watchdog */
#define U300_WDOG_BASE (U300_SLOW_PER_PHYS_BASE+0x2000)
/* UART0 */
#define U300_UART0_BASE (U300_SLOW_PER_PHYS_BASE+0x3000)
/* APP side special timer */
#define U300_TIMER_APP_BASE (U300_SLOW_PER_PHYS_BASE+0x4000)
#define U300_TIMER_APP_VBASE (U300_SLOW_PER_VIRT_BASE+0x4000)
/* Keypad */
#define U300_KEYPAD_BASE (U300_SLOW_PER_PHYS_BASE+0x5000)
/* GPIO */
#define U300_GPIO_BASE (U300_SLOW_PER_PHYS_BASE+0x6000)
/* RTC */
#define U300_RTC_BASE (U300_SLOW_PER_PHYS_BASE+0x7000)
/* Bus tracer */
#define U300_BUSTR_BASE (U300_SLOW_PER_PHYS_BASE+0x8000)
/* Event handler (hardware queue) */
#define U300_EVHIST_BASE (U300_SLOW_PER_PHYS_BASE+0x9000)
/* Genric Timer */
#define U300_TIMER_BASE (U300_SLOW_PER_PHYS_BASE+0xa000)
/* PPM */
#define U300_PPM_BASE (U300_SLOW_PER_PHYS_BASE+0xb000)
/*
* REST peripherals
*/
/* ISP (image signal processor) is only available in U335 */
#ifdef CONFIG_MACH_U300_BS335
#define U300_ISP_BASE (0xA0008000)
#endif
/* DMA Controller base */
#define U300_DMAC_BASE (0xC0020000)
/* MSL Base */
#define U300_MSL_BASE (0xc0022000)
/* APEX Base */
#define U300_APEX_BASE (0xc0030000)
/* Video Encoder Base */
#ifdef CONFIG_MACH_U300_BS335
#define U300_VIDEOENC_BASE (0xc0080000)
#else
#define U300_VIDEOENC_BASE (0xc0040000)
#endif
/* XGAM Base */
#define U300_XGAM_BASE (0xd0000000)
/*
* Virtual accessor macros for static devices
*/
#endif
arch/arm/mach-u300/include/mach/uncompress.h 0 → 100644
View file @ b7c11ec9
/*
* arch/arm/mach-u300/include/mach/uncompress.h
*
* Copyright (C) 2003 ARM Limited
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#define AMBA_UART_DR (*(volatile unsigned char *)0xc0013000)
#define AMBA_UART_LCRH (*(volatile unsigned char *)0xc001302C)
#define AMBA_UART_CR (*(volatile unsigned char *)0xc0013030)
#define AMBA_UART_FR (*(volatile unsigned char *)0xc0013018)
/*
* This does not append a newline
*/
static inline void putc(int c)
{
while (AMBA_UART_FR & (1 << 5))
barrier();
AMBA_UART_DR = c;
}
static inline void flush(void)
{
while (AMBA_UART_FR & (1 << 3))
barrier();
}
/*
* nothing to do
*/
#define arch_decomp_setup()
#define arch_decomp_wdog()
arch/arm/mach-u300/include/mach/vmalloc.h 0 → 100644
View file @ b7c11ec9
/*
*
* arch/arm/mach-u300/include/mach/vmalloc.h
*
*
* Copyright (C) 2006-2009 ST-Ericsson AB
* License terms: GNU General Public License (GPL) version 2
* Virtual memory allocations
* End must be above the I/O registers and on an even 2MiB boundary.
* Author: Linus Walleij <linus.walleij@stericsson.com>
*/
#define VMALLOC_END 0xfe800000
arch/arm/mach-u300/mmc.c 0 → 100644
View file @ b7c11ec9
/*
*
* arch/arm/mach-u300/mmc.c
*
*
* Copyright (C) 2009 ST-Ericsson AB
* License terms: GNU General Public License (GPL) version 2
*
* Author: Linus Walleij <linus.walleij@stericsson.com>
* Author: Johan Lundin <johan.lundin@stericsson.com>
* Author: Jonas Aaberg <jonas.aberg@stericsson.com>
*/
#include <linux/device.h>
#include <linux/amba/bus.h>
#include <linux/mmc/host.h>
#include <linux/input.h>
#include <linux/workqueue.h>
#include <linux/delay.h>
#include <linux/regulator/consumer.h>
#include <linux/regulator/machine.h>
#include <linux/gpio.h>
#include <asm/mach/mmc.h>
#include "mmc.h"
struct mmci_card_event {
struct input_dev *mmc_input;
int mmc_inserted;
struct work_struct workq;
struct mmc_platform_data mmc0_plat_data;
};
static unsigned int mmc_status(struct device *dev)
{
struct mmci_card_event *mmci_card = container_of(
dev->platform_data,
struct mmci_card_event, mmc0_plat_data);
return mmci_card->mmc_inserted;
}
/*
* Here follows a large chunk of code which will only be enabled if you
* have both the AB3100 chip mounted and the MMC subsystem activated.
*/
static u32 mmc_translate_vdd(struct device *dev, unsigned int voltage)
{
int v;
/*
* MMC Spec:
* bit 7: 1.70 - 1.95V
* bit 8 - 14: 2.0 - 2.6V
* bit 15 - 23: 2.7 - 3.6V
*
* ab3100 voltages:
* 000 - 2.85V
* 001 - 2.75V
* 010 - 1.8V
* 011 - 1.5V
*/
switch (voltage) {
case 8:
v = 3;
break;
case 9:
case 10:
case 11:
case 12:
case 13:
case 14:
case 15:
v = 1;
break;
case 16:
v = 1;
break;
case 17:
case 18:
case 19:
case 20:
case 21:
case 22:
case 23:
case 24:
v = 0;
break;
default:
v = 0;
break;
}
/* PL180 voltage register bits */
return v << 2;
}
static int mmci_callback(void *data)
{
struct mmci_card_event *mmci_card = data;
disable_irq_on_gpio_pin(U300_GPIO_PIN_MMC_CD);
schedule_work(&mmci_card->workq);
return 0;
}
static ssize_t gpio_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct mmci_card_event *mmci_card = container_of(
dev->platform_data,
struct mmci_card_event, mmc0_plat_data);
return sprintf(buf, "%d\n", !mmci_card->mmc_inserted);
}
static DEVICE_ATTR(mmc_inserted, S_IRUGO, gpio_show, NULL);
static void _mmci_callback(struct work_struct *ws)
{
struct mmci_card_event *mmci_card = container_of(
ws,
struct mmci_card_event, workq);
mdelay(20);
mmci_card->mmc_inserted = !!gpio_get_value(U300_GPIO_PIN_MMC_CD);
input_report_switch(mmci_card->mmc_input, KEY_INSERT,
!mmci_card->mmc_inserted);
input_sync(mmci_card->mmc_input);
pr_debug("MMC/SD card was %s\n",
mmci_card->mmc_inserted ? "removed" : "inserted");
enable_irq_on_gpio_pin(U300_GPIO_PIN_MMC_CD, !mmci_card->mmc_inserted);
}
int __devinit mmc_init(struct amba_device *adev)
{
struct mmci_card_event *mmci_card;
struct device *mmcsd_device = &adev->dev;
int ret = 0;
mmci_card = kzalloc(sizeof(struct mmci_card_event), GFP_KERNEL);
if (!mmci_card)
return -ENOMEM;
/* Nominally 2.85V on our platform */
mmci_card->mmc0_plat_data.ocr_mask = MMC_VDD_28_29;
mmci_card->mmc0_plat_data.translate_vdd = mmc_translate_vdd;
mmci_card->mmc0_plat_data.status = mmc_status;
mmcsd_device->platform_data = (void *) &mmci_card->mmc0_plat_data;
INIT_WORK(&mmci_card->workq, _mmci_callback);
ret = gpio_request(U300_GPIO_PIN_MMC_CD, "MMC card detection");
if (ret) {
printk(KERN_CRIT "Could not allocate MMC card detection " \
"GPIO pin\n");
goto out;
}
ret = gpio_direction_input(U300_GPIO_PIN_MMC_CD);
if (ret) {
printk(KERN_CRIT "Invalid GPIO pin requested\n");
goto out;
}
ret = sysfs_create_file(&mmcsd_device->kobj,
&dev_attr_mmc_inserted.attr);
if (ret)
goto out;
mmci_card->mmc_input = input_allocate_device();
if (!mmci_card->mmc_input) {
printk(KERN_CRIT "Could not allocate MMC input device\n");
return -ENOMEM;
}
mmci_card->mmc_input->name = "MMC insert notification";
mmci_card->mmc_input->id.bustype = BUS_HOST;
mmci_card->mmc_input->id.vendor = 0;
mmci_card->mmc_input->id.product = 0;
mmci_card->mmc_input->id.version = 0x0100;
mmci_card->mmc_input->dev.parent = mmcsd_device;
input_set_capability(mmci_card->mmc_input, EV_SW, KEY_INSERT);
/*
* Since this must always be compiled into the kernel, this input
* is never unregistered or free:ed.
*/
ret = input_register_device(mmci_card->mmc_input);
if (ret) {
input_free_device(mmci_card->mmc_input);
goto out;
}
input_set_drvdata(mmci_card->mmc_input, mmci_card);
ret = gpio_register_callback(U300_GPIO_PIN_MMC_CD, mmci_callback,
mmci_card);
schedule_work(&mmci_card->workq);
printk(KERN_INFO "Registered MMC insert/remove notification\n");
out:
return ret;
}
arch/arm/mach-u300/mmc.h 0 → 100644
View file @ b7c11ec9
/*
*
* arch/arm/mach-u300/mmc.h
*
*
* Copyright (C) 2009 ST-Ericsson AB
* License terms: GNU General Public License (GPL) version 2
*
* Author: Jonas Aaberg <jonas.aberg@stericsson.com>
*/
#ifndef MMC_H
#define MMC_H
#include <linux/amba/bus.h>
int __devinit mmc_init(struct amba_device *adev);
#endif
arch/arm/mach-u300/padmux.c 0 → 100644
View file @ b7c11ec9
/*
*
* arch/arm/mach-u300/padmux.c
*
*
* Copyright (C) 2009 ST-Ericsson AB
* License terms: GNU General Public License (GPL) version 2
* U300 PADMUX functions
* Author: Linus Walleij <linus.walleij@stericsson.com>
*
*/
#include <linux/io.h>
#include <linux/err.h>
#include <mach/u300-regs.h>
#include <mach/syscon.h>
#include "padmux.h"
/* Set the PAD MUX to route the MMC reader correctly to GPIO0. */
void pmx_set_mission_mode_mmc(void)
{
u16 val;
val = readw(U300_SYSCON_VBASE + U300_SYSCON_PMC1LR);
val &= ~U300_SYSCON_PMC1LR_MMCSD_MASK;
writew(val, U300_SYSCON_VBASE + U300_SYSCON_PMC1LR);
val = readw(U300_SYSCON_VBASE + U300_SYSCON_PMC1HR);
val &= ~U300_SYSCON_PMC1HR_APP_GPIO_1_MASK;
val |= U300_SYSCON_PMC1HR_APP_GPIO_1_MMC;
writew(val, U300_SYSCON_VBASE + U300_SYSCON_PMC1HR);
}
void pmx_set_mission_mode_spi(void)
{
u16 val;
/* Set up padmuxing so the SPI port and its chipselects are active */
val = readw(U300_SYSCON_VBASE + U300_SYSCON_PMC1HR);
/*
* Activate the SPI port (disable the use of these pins for generic
* GPIO, DSP, AAIF
*/
val &= ~U300_SYSCON_PMC1HR_APP_SPI_2_MASK;
val |= U300_SYSCON_PMC1HR_APP_SPI_2_SPI;
/*
* Use GPIO pin SPI CS1 for CS1 actually (it can be used for other
* things also)
*/
val &= ~U300_SYSCON_PMC1HR_APP_SPI_CS_1_MASK;
val |= U300_SYSCON_PMC1HR_APP_SPI_CS_1_SPI;
/*
* Use GPIO pin SPI CS2 for CS2 actually (it can be used for other
* things also)
*/
val &= ~U300_SYSCON_PMC1HR_APP_SPI_CS_2_MASK;
val |= U300_SYSCON_PMC1HR_APP_SPI_CS_2_SPI;
writew(val, U300_SYSCON_VBASE + U300_SYSCON_PMC1HR);
}
arch/arm/mach-u300/padmux.h 0 → 100644
View file @ b7c11ec9
/*
*
* arch/arm/mach-u300/padmux.h
*
*
* Copyright (C) 2009 ST-Ericsson AB
* License terms: GNU General Public License (GPL) version 2
* U300 PADMUX API
* Author: Linus Walleij <linus.walleij@stericsson.com>
*
*/
#ifndef __MACH_U300_PADMUX_H
#define __MACH_U300_PADMUX_H
void pmx_set_mission_mode_mmc(void);
void pmx_set_mission_mode_spi(void);
#endif
arch/arm/mach-u300/timer.c 0 → 100644
View file @ b7c11ec9
/*
*
* arch/arm/mach-u300/timer.c
*
*
* Copyright (C) 2007-2009 ST-Ericsson AB
* License terms: GNU General Public License (GPL) version 2
* Timer COH 901 328, runs the OS timer interrupt.
* Author: Linus Walleij <linus.walleij@stericsson.com>
*/
#include <linux/interrupt.h>
#include <linux/time.h>
#include <linux/timex.h>
#include <linux/clockchips.h>
#include <linux/clocksource.h>
#include <linux/types.h>
#include <linux/io.h>
#include <mach/hardware.h>
/* Generic stuff */
#include <asm/mach/map.h>
#include <asm/mach/time.h>
#include <asm/mach/irq.h>
#include "clock.h"
/*
* APP side special timer registers
* This timer contains four timers which can fire an interrupt each.
* OS (operating system) timer @ 32768 Hz
* DD (device driver) timer @ 1 kHz
* GP1 (general purpose 1) timer @ 1MHz
* GP2 (general purpose 2) timer @ 1MHz
*/
/* Reset OS Timer 32bit (-/W) */
#define U300_TIMER_APP_ROST (0x0000)
#define U300_TIMER_APP_ROST_TIMER_RESET (0x00000000)
/* Enable OS Timer 32bit (-/W) */
#define U300_TIMER_APP_EOST (0x0004)
#define U300_TIMER_APP_EOST_TIMER_ENABLE (0x00000000)
/* Disable OS Timer 32bit (-/W) */
#define U300_TIMER_APP_DOST (0x0008)
#define U300_TIMER_APP_DOST_TIMER_DISABLE (0x00000000)
/* OS Timer Mode Register 32bit (-/W) */
#define U300_TIMER_APP_SOSTM (0x000c)
#define U300_TIMER_APP_SOSTM_MODE_CONTINUOUS (0x00000000)
#define U300_TIMER_APP_SOSTM_MODE_ONE_SHOT (0x00000001)
/* OS Timer Status Register 32bit (R/-) */
#define U300_TIMER_APP_OSTS (0x0010)
#define U300_TIMER_APP_OSTS_TIMER_STATE_MASK (0x0000000F)
#define U300_TIMER_APP_OSTS_TIMER_STATE_IDLE (0x00000001)
#define U300_TIMER_APP_OSTS_TIMER_STATE_ACTIVE (0x00000002)
#define U300_TIMER_APP_OSTS_ENABLE_IND (0x00000010)
#define U300_TIMER_APP_OSTS_MODE_MASK (0x00000020)
#define U300_TIMER_APP_OSTS_MODE_CONTINUOUS (0x00000000)
#define U300_TIMER_APP_OSTS_MODE_ONE_SHOT (0x00000020)
#define U300_TIMER_APP_OSTS_IRQ_ENABLED_IND (0x00000040)
#define U300_TIMER_APP_OSTS_IRQ_PENDING_IND (0x00000080)
/* OS Timer Current Count Register 32bit (R/-) */
#define U300_TIMER_APP_OSTCC (0x0014)
/* OS Timer Terminal Count Register 32bit (R/W) */
#define U300_TIMER_APP_OSTTC (0x0018)
/* OS Timer Interrupt Enable Register 32bit (-/W) */
#define U300_TIMER_APP_OSTIE (0x001c)
#define U300_TIMER_APP_OSTIE_IRQ_DISABLE (0x00000000)
#define U300_TIMER_APP_OSTIE_IRQ_ENABLE (0x00000001)
/* OS Timer Interrupt Acknowledge Register 32bit (-/W) */
#define U300_TIMER_APP_OSTIA (0x0020)
#define U300_TIMER_APP_OSTIA_IRQ_ACK (0x00000080)
/* Reset DD Timer 32bit (-/W) */
#define U300_TIMER_APP_RDDT (0x0040)
#define U300_TIMER_APP_RDDT_TIMER_RESET (0x00000000)
/* Enable DD Timer 32bit (-/W) */
#define U300_TIMER_APP_EDDT (0x0044)
#define U300_TIMER_APP_EDDT_TIMER_ENABLE (0x00000000)
/* Disable DD Timer 32bit (-/W) */
#define U300_TIMER_APP_DDDT (0x0048)
#define U300_TIMER_APP_DDDT_TIMER_DISABLE (0x00000000)
/* DD Timer Mode Register 32bit (-/W) */
#define U300_TIMER_APP_SDDTM (0x004c)
#define U300_TIMER_APP_SDDTM_MODE_CONTINUOUS (0x00000000)
#define U300_TIMER_APP_SDDTM_MODE_ONE_SHOT (0x00000001)
/* DD Timer Status Register 32bit (R/-) */
#define U300_TIMER_APP_DDTS (0x0050)
#define U300_TIMER_APP_DDTS_TIMER_STATE_MASK (0x0000000F)
#define U300_TIMER_APP_DDTS_TIMER_STATE_IDLE (0x00000001)
#define U300_TIMER_APP_DDTS_TIMER_STATE_ACTIVE (0x00000002)
#define U300_TIMER_APP_DDTS_ENABLE_IND (0x00000010)
#define U300_TIMER_APP_DDTS_MODE_MASK (0x00000020)
#define U300_TIMER_APP_DDTS_MODE_CONTINUOUS (0x00000000)
#define U300_TIMER_APP_DDTS_MODE_ONE_SHOT (0x00000020)
#define U300_TIMER_APP_DDTS_IRQ_ENABLED_IND (0x00000040)
#define U300_TIMER_APP_DDTS_IRQ_PENDING_IND (0x00000080)
/* DD Timer Current Count Register 32bit (R/-) */
#define U300_TIMER_APP_DDTCC (0x0054)
/* DD Timer Terminal Count Register 32bit (R/W) */
#define U300_TIMER_APP_DDTTC (0x0058)
/* DD Timer Interrupt Enable Register 32bit (-/W) */
#define U300_TIMER_APP_DDTIE (0x005c)
#define U300_TIMER_APP_DDTIE_IRQ_DISABLE (0x00000000)
#define U300_TIMER_APP_DDTIE_IRQ_ENABLE (0x00000001)
/* DD Timer Interrupt Acknowledge Register 32bit (-/W) */
#define U300_TIMER_APP_DDTIA (0x0060)
#define U300_TIMER_APP_DDTIA_IRQ_ACK (0x00000080)
/* Reset GP1 Timer 32bit (-/W) */
#define U300_TIMER_APP_RGPT1 (0x0080)
#define U300_TIMER_APP_RGPT1_TIMER_RESET (0x00000000)
/* Enable GP1 Timer 32bit (-/W) */
#define U300_TIMER_APP_EGPT1 (0x0084)
#define U300_TIMER_APP_EGPT1_TIMER_ENABLE (0x00000000)
/* Disable GP1 Timer 32bit (-/W) */
#define U300_TIMER_APP_DGPT1 (0x0088)
#define U300_TIMER_APP_DGPT1_TIMER_DISABLE (0x00000000)
/* GP1 Timer Mode Register 32bit (-/W) */
#define U300_TIMER_APP_SGPT1M (0x008c)
#define U300_TIMER_APP_SGPT1M_MODE_CONTINUOUS (0x00000000)
#define U300_TIMER_APP_SGPT1M_MODE_ONE_SHOT (0x00000001)
/* GP1 Timer Status Register 32bit (R/-) */
#define U300_TIMER_APP_GPT1S (0x0090)
#define U300_TIMER_APP_GPT1S_TIMER_STATE_MASK (0x0000000F)
#define U300_TIMER_APP_GPT1S_TIMER_STATE_IDLE (0x00000001)
#define U300_TIMER_APP_GPT1S_TIMER_STATE_ACTIVE (0x00000002)
#define U300_TIMER_APP_GPT1S_ENABLE_IND (0x00000010)
#define U300_TIMER_APP_GPT1S_MODE_MASK (0x00000020)
#define U300_TIMER_APP_GPT1S_MODE_CONTINUOUS (0x00000000)
#define U300_TIMER_APP_GPT1S_MODE_ONE_SHOT (0x00000020)
#define U300_TIMER_APP_GPT1S_IRQ_ENABLED_IND (0x00000040)
#define U300_TIMER_APP_GPT1S_IRQ_PENDING_IND (0x00000080)
/* GP1 Timer Current Count Register 32bit (R/-) */
#define U300_TIMER_APP_GPT1CC (0x0094)
/* GP1 Timer Terminal Count Register 32bit (R/W) */
#define U300_TIMER_APP_GPT1TC (0x0098)
/* GP1 Timer Interrupt Enable Register 32bit (-/W) */
#define U300_TIMER_APP_GPT1IE (0x009c)
#define U300_TIMER_APP_GPT1IE_IRQ_DISABLE (0x00000000)
#define U300_TIMER_APP_GPT1IE_IRQ_ENABLE (0x00000001)
/* GP1 Timer Interrupt Acknowledge Register 32bit (-/W) */
#define U300_TIMER_APP_GPT1IA (0x00a0)
#define U300_TIMER_APP_GPT1IA_IRQ_ACK (0x00000080)
/* Reset GP2 Timer 32bit (-/W) */
#define U300_TIMER_APP_RGPT2 (0x00c0)
#define U300_TIMER_APP_RGPT2_TIMER_RESET (0x00000000)
/* Enable GP2 Timer 32bit (-/W) */
#define U300_TIMER_APP_EGPT2 (0x00c4)
#define U300_TIMER_APP_EGPT2_TIMER_ENABLE (0x00000000)
/* Disable GP2 Timer 32bit (-/W) */
#define U300_TIMER_APP_DGPT2 (0x00c8)
#define U300_TIMER_APP_DGPT2_TIMER_DISABLE (0x00000000)
/* GP2 Timer Mode Register 32bit (-/W) */
#define U300_TIMER_APP_SGPT2M (0x00cc)
#define U300_TIMER_APP_SGPT2M_MODE_CONTINUOUS (0x00000000)
#define U300_TIMER_APP_SGPT2M_MODE_ONE_SHOT (0x00000001)
/* GP2 Timer Status Register 32bit (R/-) */
#define U300_TIMER_APP_GPT2S (0x00d0)
#define U300_TIMER_APP_GPT2S_TIMER_STATE_MASK (0x0000000F)
#define U300_TIMER_APP_GPT2S_TIMER_STATE_IDLE (0x00000001)
#define U300_TIMER_APP_GPT2S_TIMER_STATE_ACTIVE (0x00000002)
#define U300_TIMER_APP_GPT2S_ENABLE_IND (0x00000010)
#define U300_TIMER_APP_GPT2S_MODE_MASK (0x00000020)
#define U300_TIMER_APP_GPT2S_MODE_CONTINUOUS (0x00000000)
#define U300_TIMER_APP_GPT2S_MODE_ONE_SHOT (0x00000020)
#define U300_TIMER_APP_GPT2S_IRQ_ENABLED_IND (0x00000040)
#define U300_TIMER_APP_GPT2S_IRQ_PENDING_IND (0x00000080)
/* GP2 Timer Current Count Register 32bit (R/-) */
#define U300_TIMER_APP_GPT2CC (0x00d4)
/* GP2 Timer Terminal Count Register 32bit (R/W) */
#define U300_TIMER_APP_GPT2TC (0x00d8)
/* GP2 Timer Interrupt Enable Register 32bit (-/W) */
#define U300_TIMER_APP_GPT2IE (0x00dc)
#define U300_TIMER_APP_GPT2IE_IRQ_DISABLE (0x00000000)
#define U300_TIMER_APP_GPT2IE_IRQ_ENABLE (0x00000001)
/* GP2 Timer Interrupt Acknowledge Register 32bit (-/W) */
#define U300_TIMER_APP_GPT2IA (0x00e0)
#define U300_TIMER_APP_GPT2IA_IRQ_ACK (0x00000080)
/* Clock request control register - all four timers */
#define U300_TIMER_APP_CRC (0x100)
#define U300_TIMER_APP_CRC_CLOCK_REQUEST_ENABLE (0x00000001)
#define TICKS_PER_JIFFY ((CLOCK_TICK_RATE + (HZ/2)) / HZ)
#define US_PER_TICK ((1000000 + (HZ/2)) / HZ)
/*
* The u300_set_mode() function is always called first, if we
* have oneshot timer active, the oneshot scheduling function
* u300_set_next_event() is called immediately after.
*/
static void u300_set_mode(enum clock_event_mode mode,
struct clock_event_device *evt)
{
switch (mode) {
case CLOCK_EVT_MODE_PERIODIC:
/* Disable interrupts on GPT1 */
writel(U300_TIMER_APP_GPT1IE_IRQ_DISABLE,
U300_TIMER_APP_VBASE + U300_TIMER_APP_GPT1IE);
/* Disable GP1 while we're reprogramming it. */
writel(U300_TIMER_APP_DGPT1_TIMER_DISABLE,
U300_TIMER_APP_VBASE + U300_TIMER_APP_DGPT1);
/*
* Set the periodic mode to a certain number of ticks per
* jiffy.
*/
writel(TICKS_PER_JIFFY,
U300_TIMER_APP_VBASE + U300_TIMER_APP_GPT1TC);
/*
* Set continuous mode, so the timer keeps triggering
* interrupts.
*/
writel(U300_TIMER_APP_SGPT1M_MODE_CONTINUOUS,
U300_TIMER_APP_VBASE + U300_TIMER_APP_SGPT1M);
/* Enable timer interrupts */
writel(U300_TIMER_APP_GPT1IE_IRQ_ENABLE,
U300_TIMER_APP_VBASE + U300_TIMER_APP_GPT1IE);
/* Then enable the OS timer again */
writel(U300_TIMER_APP_EGPT1_TIMER_ENABLE,
U300_TIMER_APP_VBASE + U300_TIMER_APP_EGPT1);
break;
case CLOCK_EVT_MODE_ONESHOT:
/* Just break; here? */
/*
* The actual event will be programmed by the next event hook,
* so we just set a dummy value somewhere at the end of the
* universe here.
*/
/* Disable interrupts on GPT1 */
writel(U300_TIMER_APP_GPT1IE_IRQ_DISABLE,
U300_TIMER_APP_VBASE + U300_TIMER_APP_GPT1IE);
/* Disable GP1 while we're reprogramming it. */
writel(U300_TIMER_APP_DGPT1_TIMER_DISABLE,
U300_TIMER_APP_VBASE + U300_TIMER_APP_DGPT1);
/*
* Expire far in the future, u300_set_next_event() will be
* called soon...
*/
writel(0xFFFFFFFF, U300_TIMER_APP_VBASE + U300_TIMER_APP_GPT1TC);
/* We run one shot per tick here! */
writel(U300_TIMER_APP_SGPT1M_MODE_ONE_SHOT,
U300_TIMER_APP_VBASE + U300_TIMER_APP_SGPT1M);
/* Enable interrupts for this timer */
writel(U300_TIMER_APP_GPT1IE_IRQ_ENABLE,
U300_TIMER_APP_VBASE + U300_TIMER_APP_GPT1IE);
/* Enable timer */
writel(U300_TIMER_APP_EGPT1_TIMER_ENABLE,
U300_TIMER_APP_VBASE + U300_TIMER_APP_EGPT1);
break;
case CLOCK_EVT_MODE_UNUSED:
case CLOCK_EVT_MODE_SHUTDOWN:
/* Disable interrupts on GP1 */
writel(U300_TIMER_APP_GPT1IE_IRQ_DISABLE,
U300_TIMER_APP_VBASE + U300_TIMER_APP_GPT1IE);
/* Disable GP1 */
writel(U300_TIMER_APP_DGPT1_TIMER_DISABLE,
U300_TIMER_APP_VBASE + U300_TIMER_APP_DGPT1);
break;
case CLOCK_EVT_MODE_RESUME:
/* Ignore this call */
break;
}
}
/*
* The app timer in one shot mode obviously has to be reprogrammed
* in EXACTLY this sequence to work properly. Do NOT try to e.g. replace
* the interrupt disable + timer disable commands with a reset command,
* it will fail miserably. Apparently (and I found this the hard way)
* the timer is very sensitive to the instruction order, though you don't
* get that impression from the data sheet.
*/
static int u300_set_next_event(unsigned long cycles,
struct clock_event_device *evt)
{
/* Disable interrupts on GPT1 */
writel(U300_TIMER_APP_GPT1IE_IRQ_DISABLE,
U300_TIMER_APP_VBASE + U300_TIMER_APP_GPT1IE);
/* Disable GP1 while we're reprogramming it. */
writel(U300_TIMER_APP_DGPT1_TIMER_DISABLE,
U300_TIMER_APP_VBASE + U300_TIMER_APP_DGPT1);
/* Reset the General Purpose timer 1. */
writel(U300_TIMER_APP_RGPT1_TIMER_RESET,
U300_TIMER_APP_VBASE + U300_TIMER_APP_RGPT1);
/* IRQ in n * cycles */
writel(cycles, U300_TIMER_APP_VBASE + U300_TIMER_APP_GPT1TC);
/*
* We run one shot per tick here! (This is necessary to reconfigure,
* the timer will tilt if you don't!)
*/
writel(U300_TIMER_APP_SGPT1M_MODE_ONE_SHOT,
U300_TIMER_APP_VBASE + U300_TIMER_APP_SGPT1M);
/* Enable timer interrupts */
writel(U300_TIMER_APP_GPT1IE_IRQ_ENABLE,
U300_TIMER_APP_VBASE + U300_TIMER_APP_GPT1IE);
/* Then enable the OS timer again */
writel(U300_TIMER_APP_EGPT1_TIMER_ENABLE,
U300_TIMER_APP_VBASE + U300_TIMER_APP_EGPT1);
return 0;
}
/* Use general purpose timer 1 as clock event */
static struct clock_event_device clockevent_u300_1mhz = {
.name = "GPT1",
.rating = 300, /* Reasonably fast and accurate clock event */
.features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
/* 22 calculated using the algorithm in arch/mips/kernel/time.c */
.shift = 22,
.set_next_event = u300_set_next_event,
.set_mode = u300_set_mode,
};
/* Clock event timer interrupt handler */
static irqreturn_t u300_timer_interrupt(int irq, void *dev_id)
{
struct clock_event_device *evt = &clockevent_u300_1mhz;
/* ACK/Clear timer IRQ for the APP GPT1 Timer */
writel(U300_TIMER_APP_GPT1IA_IRQ_ACK,
U300_TIMER_APP_VBASE + U300_TIMER_APP_GPT1IA);
evt->event_handler(evt);
return IRQ_HANDLED;
}
static struct irqaction u300_timer_irq = {
.name = "U300 Timer Tick",
.flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
.handler = u300_timer_interrupt,
};
/* Use general purpose timer 2 as clock source */
static cycle_t u300_get_cycles(struct clocksource *cs)
{
return (cycles_t) readl(U300_TIMER_APP_VBASE + U300_TIMER_APP_GPT2CC);
}
static struct clocksource clocksource_u300_1mhz = {
.name = "GPT2",
.rating = 300, /* Reasonably fast and accurate clock source */
.read = u300_get_cycles,
.mask = CLOCKSOURCE_MASK(32), /* 32 bits */
/* 22 calculated using the algorithm in arch/mips/kernel/time.c */
.shift = 22,
.flags = CLOCK_SOURCE_IS_CONTINUOUS,
};
/*
* This sets up the system timers, clock source and clock event.
*/
static void __init u300_timer_init(void)
{
u300_enable_timer_clock();
/*
* Disable the "OS" and "DD" timers - these are designed for Symbian!
* Example usage in cnh1601578 cpu subsystem pd_timer_app.c
*/
writel(U300_TIMER_APP_CRC_CLOCK_REQUEST_ENABLE,
U300_TIMER_APP_VBASE + U300_TIMER_APP_CRC);
writel(U300_TIMER_APP_ROST_TIMER_RESET,
U300_TIMER_APP_VBASE + U300_TIMER_APP_ROST);
writel(U300_TIMER_APP_DOST_TIMER_DISABLE,
U300_TIMER_APP_VBASE + U300_TIMER_APP_DOST);
writel(U300_TIMER_APP_RDDT_TIMER_RESET,
U300_TIMER_APP_VBASE + U300_TIMER_APP_RDDT);
writel(U300_TIMER_APP_DDDT_TIMER_DISABLE,
U300_TIMER_APP_VBASE + U300_TIMER_APP_DDDT);
/* Reset the General Purpose timer 1. */
writel(U300_TIMER_APP_RGPT1_TIMER_RESET,
U300_TIMER_APP_VBASE + U300_TIMER_APP_RGPT1);
/* Set up the IRQ handler */
setup_irq(IRQ_U300_TIMER_APP_GP1, &u300_timer_irq);
/* Reset the General Purpose timer 2 */
writel(U300_TIMER_APP_RGPT2_TIMER_RESET,
U300_TIMER_APP_VBASE + U300_TIMER_APP_RGPT2);
/* Set this timer to run around forever */
writel(0xFFFFFFFFU, U300_TIMER_APP_VBASE + U300_TIMER_APP_GPT2TC);
/* Set continuous mode so it wraps around */
writel(U300_TIMER_APP_SGPT2M_MODE_CONTINUOUS,
U300_TIMER_APP_VBASE + U300_TIMER_APP_SGPT2M);
/* Disable timer interrupts */
writel(U300_TIMER_APP_GPT2IE_IRQ_DISABLE,
U300_TIMER_APP_VBASE + U300_TIMER_APP_GPT2IE);
/* Then enable the GP2 timer to use as a free running us counter */
writel(U300_TIMER_APP_EGPT2_TIMER_ENABLE,
U300_TIMER_APP_VBASE + U300_TIMER_APP_EGPT2);
/* This is a pure microsecond clock source */
clocksource_u300_1mhz.mult =
clocksource_khz2mult(1000, clocksource_u300_1mhz.shift);
if (clocksource_register(&clocksource_u300_1mhz))
printk(KERN_ERR "timer: failed to initialize clock "
"source %s\n", clocksource_u300_1mhz.name);
clockevent_u300_1mhz.mult =
div_sc(1000000, NSEC_PER_SEC, clockevent_u300_1mhz.shift);
/* 32bit counter, so 32bits delta is max */
clockevent_u300_1mhz.max_delta_ns =
clockevent_delta2ns(0xffffffff, &clockevent_u300_1mhz);
/* This timer is slow enough to set for 1 cycle == 1 MHz */
clockevent_u300_1mhz.min_delta_ns =
clockevent_delta2ns(1, &clockevent_u300_1mhz);
clockevent_u300_1mhz.cpumask = cpumask_of(0);
clockevents_register_device(&clockevent_u300_1mhz);
/*
* TODO: init and register the rest of the timers too, they can be
* used by hrtimers!
*/
}
/*
* Very simple system timer that only register the clock event and
* clock source.
*/
struct sys_timer u300_timer = {
.init = u300_timer_init,
};
arch/arm/mach-u300/u300.c 0 → 100644
View file @ b7c11ec9
/*
*
* arch/arm/mach-u300/u300.c
*
*
* Copyright (C) 2006-2009 ST-Ericsson AB
* License terms: GNU General Public License (GPL) version 2
* Platform machine definition.
* Author: Linus Walleij <linus.walleij@stericsson.com>
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/mm.h>
#include <linux/sched.h>
#include <linux/interrupt.h>
#include <linux/ioport.h>
#include <linux/platform_device.h>
#include <linux/io.h>
#include <mach/hardware.h>
#include <mach/platform.h>
#include <mach/memory.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
static void __init u300_init_machine(void)
{
u300_init_devices();
}
#ifdef CONFIG_MACH_U300_BS2X
#define MACH_U300_STRING "Ericsson AB U300 S25/S26/B25/B26 Prototype Board"
#endif
#ifdef CONFIG_MACH_U300_BS330
#define MACH_U300_STRING "Ericsson AB U330 S330/B330 Prototype Board"
#endif
#ifdef CONFIG_MACH_U300_BS335
#define MACH_U300_STRING "Ericsson AB U335 S335/B335 Prototype Board"
#endif
#ifdef CONFIG_MACH_U300_BS365
#define MACH_U300_STRING "Ericsson AB U365 S365/B365 Prototype Board"
#endif
MACHINE_START(U300, MACH_U300_STRING)
/* Maintainer: Linus Walleij <linus.walleij@stericsson.com> */
.phys_io = U300_AHB_PER_PHYS_BASE,
.io_pg_offst = ((U300_AHB_PER_VIRT_BASE) >> 18) & 0xfffc,
.boot_params = BOOT_PARAMS_OFFSET,
.map_io = u300_map_io,
.init_irq = u300_init_irq,
.timer = &u300_timer,
.init_machine = u300_init_machine,
MACHINE_END
arch/arm/mm/mmu.c
View file @ b7c11ec9
......@@ -840,6 +840,20 @@ void __init reserve_node_zero(pg_data_t *pgdat)
reserve_bootmem_node(pgdat, 0xa0200000, 0x1000,
BOOTMEM_EXCLUSIVE);
/*
* U300 - This platform family can share physical memory
* between two ARM cpus, one running Linux and the other
* running another OS.
*/
if (machine_is_u300()) {
#ifdef CONFIG_MACH_U300_SINGLE_RAM
#if ((CONFIG_MACH_U300_ACCESS_MEM_SIZE & 1) == 1) && \
CONFIG_MACH_U300_2MB_ALIGNMENT_FIX
res_size = 0x00100000;
#endif
#endif
}
#ifdef CONFIG_SA1111
/*
* Because of the SA1111 DMA bug, we want to preserve our
......
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