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|
- From 95293790045ab4ae5c357460372dd1b57fc74f29 Mon Sep 17 00:00:00 2001
- From: popcornmix <popcornmix@gmail.com>
- Date: Sun, 12 May 2013 12:24:19 +0100
- Subject: [PATCH 001/114] Main bcm2708 linux port
- Signed-off-by: popcornmix <popcornmix@gmail.com>
- ---
- arch/arm/Kconfig | 17 +
- arch/arm/Kconfig.debug | 8 +
- arch/arm/Makefile | 1 +
- arch/arm/configs/bcmrpi_defconfig | 464 ++++++++++++++++
- arch/arm/kernel/process.c | 10 +
- arch/arm/mach-bcm2708/Kconfig | 26 +
- arch/arm/mach-bcm2708/Makefile | 6 +
- arch/arm/mach-bcm2708/Makefile.boot | 3 +
- arch/arm/mach-bcm2708/armctrl.c | 208 +++++++
- arch/arm/mach-bcm2708/armctrl.h | 27 +
- arch/arm/mach-bcm2708/bcm2708.c | 662 +++++++++++++++++++++++
- arch/arm/mach-bcm2708/bcm2708.h | 49 ++
- arch/arm/mach-bcm2708/clock.c | 61 +++
- arch/arm/mach-bcm2708/clock.h | 24 +
- arch/arm/mach-bcm2708/dma.c | 399 ++++++++++++++
- arch/arm/mach-bcm2708/include/mach/arm_control.h | 419 ++++++++++++++
- arch/arm/mach-bcm2708/include/mach/arm_power.h | 62 +++
- arch/arm/mach-bcm2708/include/mach/clkdev.h | 7 +
- arch/arm/mach-bcm2708/include/mach/debug-macro.S | 22 +
- arch/arm/mach-bcm2708/include/mach/dma.h | 88 +++
- arch/arm/mach-bcm2708/include/mach/entry-macro.S | 69 +++
- arch/arm/mach-bcm2708/include/mach/frc.h | 38 ++
- arch/arm/mach-bcm2708/include/mach/hardware.h | 28 +
- arch/arm/mach-bcm2708/include/mach/io.h | 27 +
- arch/arm/mach-bcm2708/include/mach/irqs.h | 196 +++++++
- arch/arm/mach-bcm2708/include/mach/memory.h | 57 ++
- arch/arm/mach-bcm2708/include/mach/platform.h | 228 ++++++++
- arch/arm/mach-bcm2708/include/mach/power.h | 26 +
- arch/arm/mach-bcm2708/include/mach/system.h | 38 ++
- arch/arm/mach-bcm2708/include/mach/timex.h | 23 +
- arch/arm/mach-bcm2708/include/mach/uncompress.h | 84 +++
- arch/arm/mach-bcm2708/include/mach/vc_mem.h | 35 ++
- arch/arm/mach-bcm2708/include/mach/vcio.h | 165 ++++++
- arch/arm/mach-bcm2708/include/mach/vmalloc.h | 20 +
- arch/arm/mach-bcm2708/power.c | 197 +++++++
- arch/arm/mach-bcm2708/vc_mem.c | 431 +++++++++++++++
- arch/arm/mach-bcm2708/vcio.c | 474 ++++++++++++++++
- arch/arm/mm/Kconfig | 2 +-
- arch/arm/mm/proc-v6.S | 15 +-
- arch/arm/tools/mach-types | 1 +
- drivers/tty/serial/amba-pl011.c | 2 +-
- include/linux/mmc/host.h | 1 +
- include/linux/mmc/sdhci.h | 1 +
- 43 files changed, 4716 insertions(+), 5 deletions(-)
- create mode 100644 arch/arm/configs/bcmrpi_defconfig
- create mode 100644 arch/arm/mach-bcm2708/Kconfig
- create mode 100644 arch/arm/mach-bcm2708/Makefile
- create mode 100644 arch/arm/mach-bcm2708/Makefile.boot
- create mode 100644 arch/arm/mach-bcm2708/armctrl.c
- create mode 100644 arch/arm/mach-bcm2708/armctrl.h
- create mode 100644 arch/arm/mach-bcm2708/bcm2708.c
- create mode 100644 arch/arm/mach-bcm2708/bcm2708.h
- create mode 100644 arch/arm/mach-bcm2708/clock.c
- create mode 100644 arch/arm/mach-bcm2708/clock.h
- create mode 100644 arch/arm/mach-bcm2708/dma.c
- create mode 100644 arch/arm/mach-bcm2708/include/mach/arm_control.h
- create mode 100644 arch/arm/mach-bcm2708/include/mach/arm_power.h
- create mode 100644 arch/arm/mach-bcm2708/include/mach/clkdev.h
- create mode 100644 arch/arm/mach-bcm2708/include/mach/debug-macro.S
- create mode 100644 arch/arm/mach-bcm2708/include/mach/dma.h
- create mode 100644 arch/arm/mach-bcm2708/include/mach/entry-macro.S
- create mode 100644 arch/arm/mach-bcm2708/include/mach/frc.h
- create mode 100644 arch/arm/mach-bcm2708/include/mach/hardware.h
- create mode 100644 arch/arm/mach-bcm2708/include/mach/io.h
- create mode 100644 arch/arm/mach-bcm2708/include/mach/irqs.h
- create mode 100644 arch/arm/mach-bcm2708/include/mach/memory.h
- create mode 100644 arch/arm/mach-bcm2708/include/mach/platform.h
- create mode 100644 arch/arm/mach-bcm2708/include/mach/power.h
- create mode 100644 arch/arm/mach-bcm2708/include/mach/system.h
- create mode 100644 arch/arm/mach-bcm2708/include/mach/timex.h
- create mode 100644 arch/arm/mach-bcm2708/include/mach/uncompress.h
- create mode 100644 arch/arm/mach-bcm2708/include/mach/vc_mem.h
- create mode 100644 arch/arm/mach-bcm2708/include/mach/vcio.h
- create mode 100644 arch/arm/mach-bcm2708/include/mach/vmalloc.h
- create mode 100644 arch/arm/mach-bcm2708/power.c
- create mode 100644 arch/arm/mach-bcm2708/vc_mem.c
- create mode 100644 arch/arm/mach-bcm2708/vcio.c
- --- a/arch/arm/Kconfig
- +++ b/arch/arm/Kconfig
- @@ -381,6 +381,22 @@ config ARCH_AT91
- This enables support for systems based on Atmel
- AT91RM9200 and AT91SAM9* processors.
-
- +config ARCH_BCM2708
- + bool "Broadcom BCM2708 family"
- + select CPU_V6
- + select ARM_AMBA
- + select HAVE_CLK
- + select HAVE_SCHED_CLOCK
- + select NEED_MACH_GPIO_H
- + select NEED_MACH_MEMORY_H
- + select CLKDEV_LOOKUP
- + select GENERIC_CLOCKEVENTS
- + select ARM_ERRATA_411920
- + select MACH_BCM2708
- + select VC4
- + help
- + This enables support for Broadcom BCM2708 boards.
- +
- config ARCH_CLPS711X
- bool "Cirrus Logic CLPS711x/EP721x/EP731x-based"
- select ARCH_REQUIRE_GPIOLIB
- @@ -972,6 +988,7 @@ source "arch/arm/plat-versatile/Kconfig"
- source "arch/arm/mach-vt8500/Kconfig"
-
- source "arch/arm/mach-w90x900/Kconfig"
- +source "arch/arm/mach-bcm2708/Kconfig"
-
- source "arch/arm/mach-zynq/Kconfig"
-
- --- a/arch/arm/Kconfig.debug
- +++ b/arch/arm/Kconfig.debug
- @@ -985,6 +985,14 @@ choice
- options; the platform specific options are deprecated
- and will be soon removed.
-
- + config DEBUG_BCM2708_UART0
- + bool "Broadcom BCM2708 UART0 (PL011)"
- + depends on MACH_BCM2708
- + help
- + Say Y here if you want the debug print routines to direct
- + their output to UART 0. The port must have been initialised
- + by the boot-loader before use.
- +
- endchoice
-
- config DEBUG_EXYNOS_UART
- --- a/arch/arm/Makefile
- +++ b/arch/arm/Makefile
- @@ -159,6 +159,7 @@ textofs-$(CONFIG_ARCH_AXXIA) := 0x003080
- machine-$(CONFIG_ARCH_AT91) += at91
- machine-$(CONFIG_ARCH_AXXIA) += axxia
- machine-$(CONFIG_ARCH_BCM) += bcm
- +machine-$(CONFIG_ARCH_BCM2708) += bcm2708
- machine-$(CONFIG_ARCH_BERLIN) += berlin
- machine-$(CONFIG_ARCH_CLPS711X) += clps711x
- machine-$(CONFIG_ARCH_CNS3XXX) += cns3xxx
- --- /dev/null
- +++ b/arch/arm/configs/bcmrpi_defconfig
- @@ -0,0 +1,464 @@
- +# CONFIG_LOCALVERSION_AUTO is not set
- +CONFIG_SYSVIPC=y
- +CONFIG_POSIX_MQUEUE=y
- +CONFIG_FHANDLE=y
- +CONFIG_AUDIT=y
- +CONFIG_NO_HZ=y
- +CONFIG_HIGH_RES_TIMERS=y
- +CONFIG_BSD_PROCESS_ACCT=y
- +CONFIG_BSD_PROCESS_ACCT_V3=y
- +CONFIG_IKCONFIG=y
- +CONFIG_IKCONFIG_PROC=y
- +CONFIG_CGROUP_FREEZER=y
- +CONFIG_CGROUP_DEVICE=y
- +CONFIG_CGROUP_CPUACCT=y
- +CONFIG_RESOURCE_COUNTERS=y
- +CONFIG_BLK_CGROUP=y
- +CONFIG_NAMESPACES=y
- +CONFIG_SCHED_AUTOGROUP=y
- +CONFIG_EMBEDDED=y
- +# CONFIG_COMPAT_BRK is not set
- +CONFIG_SLAB=y
- +CONFIG_PROFILING=y
- +CONFIG_OPROFILE=m
- +CONFIG_KPROBES=y
- +CONFIG_MODULES=y
- +CONFIG_MODULE_UNLOAD=y
- +CONFIG_MODVERSIONS=y
- +CONFIG_MODULE_SRCVERSION_ALL=y
- +# CONFIG_BLK_DEV_BSG is not set
- +CONFIG_BLK_DEV_THROTTLING=y
- +CONFIG_PARTITION_ADVANCED=y
- +CONFIG_MAC_PARTITION=y
- +CONFIG_CFQ_GROUP_IOSCHED=y
- +CONFIG_ARCH_BCM2708=y
- +CONFIG_AEABI=y
- +CONFIG_SECCOMP=y
- +CONFIG_ZBOOT_ROM_TEXT=0x0
- +CONFIG_ZBOOT_ROM_BSS=0x0
- +CONFIG_CMDLINE="dwc_otg.lpm_enable=0 console=ttyAMA0,115200 kgdboc=ttyAMA0,115200 root=/dev/mmcblk0p2 rootfstype=ext3 rootwait"
- +CONFIG_KEXEC=y
- +CONFIG_CPU_IDLE=y
- +CONFIG_VFP=y
- +CONFIG_BINFMT_MISC=m
- +CONFIG_NET=y
- +CONFIG_PACKET=y
- +CONFIG_UNIX=y
- +CONFIG_XFRM_USER=y
- +CONFIG_NET_KEY=m
- +CONFIG_INET=y
- +CONFIG_IP_MULTICAST=y
- +CONFIG_IP_PNP=y
- +CONFIG_IP_PNP_DHCP=y
- +CONFIG_IP_PNP_RARP=y
- +CONFIG_SYN_COOKIES=y
- +# 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_IPV6 is not set
- +CONFIG_NET_PKTGEN=m
- +CONFIG_IRDA=m
- +CONFIG_IRLAN=m
- +CONFIG_IRCOMM=m
- +CONFIG_IRDA_ULTRA=y
- +CONFIG_IRDA_CACHE_LAST_LSAP=y
- +CONFIG_IRDA_FAST_RR=y
- +CONFIG_IRTTY_SIR=m
- +CONFIG_KINGSUN_DONGLE=m
- +CONFIG_KSDAZZLE_DONGLE=m
- +CONFIG_KS959_DONGLE=m
- +CONFIG_USB_IRDA=m
- +CONFIG_SIGMATEL_FIR=m
- +CONFIG_MCS_FIR=m
- +CONFIG_BT=m
- +CONFIG_BT_RFCOMM=m
- +CONFIG_BT_RFCOMM_TTY=y
- +CONFIG_BT_BNEP=m
- +CONFIG_BT_BNEP_MC_FILTER=y
- +CONFIG_BT_BNEP_PROTO_FILTER=y
- +CONFIG_BT_HIDP=m
- +CONFIG_BT_HCIBTUSB=m
- +CONFIG_BT_HCIBCM203X=m
- +CONFIG_BT_HCIBPA10X=m
- +CONFIG_BT_HCIBFUSB=m
- +CONFIG_BT_HCIVHCI=m
- +CONFIG_BT_MRVL=m
- +CONFIG_BT_MRVL_SDIO=m
- +CONFIG_BT_ATH3K=m
- +CONFIG_CFG80211=m
- +CONFIG_MAC80211=m
- +CONFIG_MAC80211_MESH=y
- +CONFIG_WIMAX=m
- +CONFIG_NET_9P=m
- +CONFIG_NFC=m
- +CONFIG_NFC_PN533=m
- +CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
- +CONFIG_BLK_DEV_LOOP=y
- +CONFIG_BLK_DEV_CRYPTOLOOP=m
- +CONFIG_BLK_DEV_NBD=m
- +CONFIG_BLK_DEV_RAM=y
- +CONFIG_CDROM_PKTCDVD=m
- +CONFIG_SCSI=y
- +# CONFIG_SCSI_PROC_FS is not set
- +CONFIG_BLK_DEV_SD=m
- +CONFIG_BLK_DEV_SR=m
- +# CONFIG_SCSI_LOWLEVEL is not set
- +CONFIG_MD=y
- +CONFIG_NETDEVICES=y
- +CONFIG_NETCONSOLE=m
- +CONFIG_TUN=m
- +CONFIG_MDIO_BITBANG=m
- +CONFIG_PPP=m
- +CONFIG_PPP_BSDCOMP=m
- +CONFIG_PPP_DEFLATE=m
- +CONFIG_PPP_ASYNC=m
- +CONFIG_PPP_SYNC_TTY=m
- +CONFIG_SLIP=m
- +CONFIG_SLIP_COMPRESSED=y
- +CONFIG_USB_CATC=m
- +CONFIG_USB_KAWETH=m
- +CONFIG_USB_PEGASUS=m
- +CONFIG_USB_RTL8150=m
- +CONFIG_USB_USBNET=y
- +CONFIG_USB_NET_AX8817X=m
- +CONFIG_USB_NET_CDCETHER=m
- +CONFIG_USB_NET_CDC_EEM=m
- +CONFIG_USB_NET_DM9601=m
- +CONFIG_USB_NET_SMSC75XX=m
- +CONFIG_USB_NET_SMSC95XX=y
- +CONFIG_USB_NET_GL620A=m
- +CONFIG_USB_NET_NET1080=m
- +CONFIG_USB_NET_PLUSB=m
- +CONFIG_USB_NET_MCS7830=m
- +CONFIG_USB_NET_CDC_SUBSET=m
- +CONFIG_USB_ALI_M5632=y
- +CONFIG_USB_AN2720=y
- +CONFIG_USB_KC2190=y
- +# CONFIG_USB_NET_ZAURUS is not set
- +CONFIG_USB_NET_CX82310_ETH=m
- +CONFIG_USB_NET_KALMIA=m
- +CONFIG_USB_NET_INT51X1=m
- +CONFIG_USB_IPHETH=m
- +CONFIG_USB_SIERRA_NET=m
- +CONFIG_USB_VL600=m
- +CONFIG_LIBERTAS_THINFIRM=m
- +CONFIG_LIBERTAS_THINFIRM_USB=m
- +CONFIG_AT76C50X_USB=m
- +CONFIG_USB_ZD1201=m
- +CONFIG_USB_NET_RNDIS_WLAN=m
- +CONFIG_RTL8187=m
- +CONFIG_MAC80211_HWSIM=m
- +CONFIG_B43=m
- +CONFIG_B43LEGACY=m
- +CONFIG_HOSTAP=m
- +CONFIG_LIBERTAS=m
- +CONFIG_LIBERTAS_USB=m
- +CONFIG_LIBERTAS_SDIO=m
- +CONFIG_P54_COMMON=m
- +CONFIG_P54_USB=m
- +CONFIG_RT2X00=m
- +CONFIG_RT2500USB=m
- +CONFIG_RT73USB=m
- +CONFIG_RT2800USB=m
- +CONFIG_RT2800USB_RT53XX=y
- +CONFIG_RTL8192CU=m
- +CONFIG_ZD1211RW=m
- +CONFIG_MWIFIEX=m
- +CONFIG_MWIFIEX_SDIO=m
- +CONFIG_WIMAX_I2400M_USB=m
- +CONFIG_INPUT_POLLDEV=m
- +# CONFIG_INPUT_MOUSEDEV_PSAUX is not set
- +CONFIG_INPUT_JOYDEV=m
- +CONFIG_INPUT_EVDEV=m
- +# CONFIG_INPUT_KEYBOARD is not set
- +# CONFIG_INPUT_MOUSE is not set
- +CONFIG_INPUT_MISC=y
- +CONFIG_INPUT_AD714X=m
- +CONFIG_INPUT_ATI_REMOTE2=m
- +CONFIG_INPUT_KEYSPAN_REMOTE=m
- +CONFIG_INPUT_POWERMATE=m
- +CONFIG_INPUT_YEALINK=m
- +CONFIG_INPUT_CM109=m
- +CONFIG_INPUT_UINPUT=m
- +CONFIG_INPUT_ADXL34X=m
- +CONFIG_INPUT_CMA3000=m
- +CONFIG_SERIO=m
- +CONFIG_SERIO_RAW=m
- +CONFIG_GAMEPORT=m
- +CONFIG_GAMEPORT_NS558=m
- +CONFIG_GAMEPORT_L4=m
- +# CONFIG_LEGACY_PTYS is not set
- +# CONFIG_DEVKMEM is not set
- +CONFIG_SERIAL_AMBA_PL011=y
- +CONFIG_SERIAL_AMBA_PL011_CONSOLE=y
- +# CONFIG_HW_RANDOM is not set
- +CONFIG_RAW_DRIVER=y
- +# CONFIG_HWMON is not set
- +CONFIG_WATCHDOG=y
- +CONFIG_FB=y
- +CONFIG_FRAMEBUFFER_CONSOLE=y
- +CONFIG_LOGO=y
- +# CONFIG_LOGO_LINUX_MONO is not set
- +# CONFIG_LOGO_LINUX_VGA16 is not set
- +CONFIG_HID_A4TECH=m
- +CONFIG_HID_ACRUX=m
- +CONFIG_HID_APPLE=m
- +CONFIG_HID_BELKIN=m
- +CONFIG_HID_CHERRY=m
- +CONFIG_HID_CHICONY=m
- +CONFIG_HID_CYPRESS=m
- +CONFIG_HID_DRAGONRISE=m
- +CONFIG_HID_EMS_FF=m
- +CONFIG_HID_ELECOM=m
- +CONFIG_HID_EZKEY=m
- +CONFIG_HID_HOLTEK=m
- +CONFIG_HID_KEYTOUCH=m
- +CONFIG_HID_KYE=m
- +CONFIG_HID_UCLOGIC=m
- +CONFIG_HID_WALTOP=m
- +CONFIG_HID_GYRATION=m
- +CONFIG_HID_TWINHAN=m
- +CONFIG_HID_KENSINGTON=m
- +CONFIG_HID_LCPOWER=m
- +CONFIG_HID_LOGITECH=m
- +CONFIG_HID_MAGICMOUSE=m
- +CONFIG_HID_MICROSOFT=m
- +CONFIG_HID_MONTEREY=m
- +CONFIG_HID_MULTITOUCH=m
- +CONFIG_HID_NTRIG=m
- +CONFIG_HID_ORTEK=m
- +CONFIG_HID_PANTHERLORD=m
- +CONFIG_HID_PETALYNX=m
- +CONFIG_HID_PICOLCD=m
- +CONFIG_HID_ROCCAT=m
- +CONFIG_HID_SAMSUNG=m
- +CONFIG_HID_SONY=m
- +CONFIG_HID_SPEEDLINK=m
- +CONFIG_HID_SUNPLUS=m
- +CONFIG_HID_GREENASIA=m
- +CONFIG_HID_SMARTJOYPLUS=m
- +CONFIG_HID_TOPSEED=m
- +CONFIG_HID_THRUSTMASTER=m
- +CONFIG_HID_WACOM=m
- +CONFIG_HID_WIIMOTE=m
- +CONFIG_HID_ZEROPLUS=m
- +CONFIG_HID_ZYDACRON=m
- +CONFIG_HID_PID=y
- +CONFIG_USB_HIDDEV=y
- +CONFIG_USB=y
- +CONFIG_USB_ANNOUNCE_NEW_DEVICES=y
- +CONFIG_USB_MON=m
- +CONFIG_USB_STORAGE=y
- +CONFIG_USB_STORAGE_REALTEK=m
- +CONFIG_USB_STORAGE_DATAFAB=m
- +CONFIG_USB_STORAGE_FREECOM=m
- +CONFIG_USB_STORAGE_ISD200=m
- +CONFIG_USB_STORAGE_USBAT=m
- +CONFIG_USB_STORAGE_SDDR09=m
- +CONFIG_USB_STORAGE_SDDR55=m
- +CONFIG_USB_STORAGE_JUMPSHOT=m
- +CONFIG_USB_STORAGE_ALAUDA=m
- +CONFIG_USB_STORAGE_ONETOUCH=m
- +CONFIG_USB_STORAGE_KARMA=m
- +CONFIG_USB_STORAGE_CYPRESS_ATACB=m
- +CONFIG_USB_STORAGE_ENE_UB6250=m
- +CONFIG_USB_UAS=m
- +CONFIG_USB_MDC800=m
- +CONFIG_USB_MICROTEK=m
- +CONFIG_USB_SERIAL=m
- +CONFIG_USB_SERIAL_GENERIC=y
- +CONFIG_USB_SERIAL_AIRCABLE=m
- +CONFIG_USB_SERIAL_ARK3116=m
- +CONFIG_USB_SERIAL_BELKIN=m
- +CONFIG_USB_SERIAL_CH341=m
- +CONFIG_USB_SERIAL_WHITEHEAT=m
- +CONFIG_USB_SERIAL_DIGI_ACCELEPORT=m
- +CONFIG_USB_SERIAL_CP210X=m
- +CONFIG_USB_SERIAL_CYPRESS_M8=m
- +CONFIG_USB_SERIAL_EMPEG=m
- +CONFIG_USB_SERIAL_FTDI_SIO=m
- +CONFIG_USB_SERIAL_VISOR=m
- +CONFIG_USB_SERIAL_IPAQ=m
- +CONFIG_USB_SERIAL_IR=m
- +CONFIG_USB_SERIAL_EDGEPORT=m
- +CONFIG_USB_SERIAL_EDGEPORT_TI=m
- +CONFIG_USB_SERIAL_GARMIN=m
- +CONFIG_USB_SERIAL_IPW=m
- +CONFIG_USB_SERIAL_IUU=m
- +CONFIG_USB_SERIAL_KEYSPAN_PDA=m
- +CONFIG_USB_SERIAL_KEYSPAN=m
- +CONFIG_USB_SERIAL_KLSI=m
- +CONFIG_USB_SERIAL_KOBIL_SCT=m
- +CONFIG_USB_SERIAL_MCT_U232=m
- +CONFIG_USB_SERIAL_MOS7720=m
- +CONFIG_USB_SERIAL_MOS7840=m
- +CONFIG_USB_SERIAL_NAVMAN=m
- +CONFIG_USB_SERIAL_PL2303=m
- +CONFIG_USB_SERIAL_OTI6858=m
- +CONFIG_USB_SERIAL_QCAUX=m
- +CONFIG_USB_SERIAL_QUALCOMM=m
- +CONFIG_USB_SERIAL_SPCP8X5=m
- +CONFIG_USB_SERIAL_SAFE=m
- +CONFIG_USB_SERIAL_SIERRAWIRELESS=m
- +CONFIG_USB_SERIAL_SYMBOL=m
- +CONFIG_USB_SERIAL_TI=m
- +CONFIG_USB_SERIAL_CYBERJACK=m
- +CONFIG_USB_SERIAL_XIRCOM=m
- +CONFIG_USB_SERIAL_OPTION=m
- +CONFIG_USB_SERIAL_OMNINET=m
- +CONFIG_USB_SERIAL_OPTICON=m
- +CONFIG_USB_SERIAL_SSU100=m
- +CONFIG_USB_SERIAL_DEBUG=m
- +CONFIG_USB_EMI62=m
- +CONFIG_USB_EMI26=m
- +CONFIG_USB_ADUTUX=m
- +CONFIG_USB_SEVSEG=m
- +CONFIG_USB_RIO500=m
- +CONFIG_USB_LEGOTOWER=m
- +CONFIG_USB_LCD=m
- +CONFIG_USB_LED=m
- +CONFIG_USB_CYPRESS_CY7C63=m
- +CONFIG_USB_CYTHERM=m
- +CONFIG_USB_IDMOUSE=m
- +CONFIG_USB_FTDI_ELAN=m
- +CONFIG_USB_APPLEDISPLAY=m
- +CONFIG_USB_LD=m
- +CONFIG_USB_TRANCEVIBRATOR=m
- +CONFIG_USB_IOWARRIOR=m
- +CONFIG_USB_TEST=m
- +CONFIG_USB_ISIGHTFW=m
- +CONFIG_USB_YUREX=m
- +CONFIG_MMC=y
- +CONFIG_MMC_SDHCI=y
- +CONFIG_MMC_SDHCI_PLTFM=y
- +CONFIG_UIO=m
- +CONFIG_UIO_PDRV_GENIRQ=m
- +# CONFIG_IOMMU_SUPPORT is not set
- +CONFIG_EXT4_FS=y
- +CONFIG_EXT4_FS_POSIX_ACL=y
- +CONFIG_EXT4_FS_SECURITY=y
- +CONFIG_REISERFS_FS=m
- +CONFIG_REISERFS_FS_XATTR=y
- +CONFIG_REISERFS_FS_POSIX_ACL=y
- +CONFIG_REISERFS_FS_SECURITY=y
- +CONFIG_JFS_FS=m
- +CONFIG_JFS_POSIX_ACL=y
- +CONFIG_JFS_SECURITY=y
- +CONFIG_JFS_STATISTICS=y
- +CONFIG_XFS_FS=m
- +CONFIG_XFS_QUOTA=y
- +CONFIG_XFS_POSIX_ACL=y
- +CONFIG_XFS_RT=y
- +CONFIG_GFS2_FS=m
- +CONFIG_OCFS2_FS=m
- +CONFIG_BTRFS_FS=m
- +CONFIG_BTRFS_FS_POSIX_ACL=y
- +CONFIG_NILFS2_FS=m
- +CONFIG_FANOTIFY=y
- +CONFIG_AUTOFS4_FS=y
- +CONFIG_FUSE_FS=m
- +CONFIG_CUSE=m
- +CONFIG_FSCACHE=y
- +CONFIG_FSCACHE_STATS=y
- +CONFIG_FSCACHE_HISTOGRAM=y
- +CONFIG_CACHEFILES=y
- +CONFIG_ISO9660_FS=m
- +CONFIG_JOLIET=y
- +CONFIG_ZISOFS=y
- +CONFIG_UDF_FS=m
- +CONFIG_MSDOS_FS=y
- +CONFIG_VFAT_FS=y
- +CONFIG_FAT_DEFAULT_IOCHARSET="ascii"
- +CONFIG_NTFS_FS=m
- +CONFIG_TMPFS=y
- +CONFIG_TMPFS_POSIX_ACL=y
- +CONFIG_CONFIGFS_FS=y
- +CONFIG_SQUASHFS=m
- +CONFIG_SQUASHFS_XATTR=y
- +CONFIG_SQUASHFS_LZO=y
- +CONFIG_SQUASHFS_XZ=y
- +CONFIG_NFS_FS=y
- +CONFIG_NFS_V3_ACL=y
- +CONFIG_NFS_V4=y
- +CONFIG_ROOT_NFS=y
- +CONFIG_NFS_FSCACHE=y
- +CONFIG_CIFS=m
- +CONFIG_CIFS_WEAK_PW_HASH=y
- +CONFIG_CIFS_XATTR=y
- +CONFIG_CIFS_POSIX=y
- +CONFIG_9P_FS=m
- +CONFIG_9P_FS_POSIX_ACL=y
- +CONFIG_NLS_DEFAULT="utf8"
- +CONFIG_NLS_CODEPAGE_437=y
- +CONFIG_NLS_CODEPAGE_737=m
- +CONFIG_NLS_CODEPAGE_775=m
- +CONFIG_NLS_CODEPAGE_850=m
- +CONFIG_NLS_CODEPAGE_852=m
- +CONFIG_NLS_CODEPAGE_855=m
- +CONFIG_NLS_CODEPAGE_857=m
- +CONFIG_NLS_CODEPAGE_860=m
- +CONFIG_NLS_CODEPAGE_861=m
- +CONFIG_NLS_CODEPAGE_862=m
- +CONFIG_NLS_CODEPAGE_863=m
- +CONFIG_NLS_CODEPAGE_864=m
- +CONFIG_NLS_CODEPAGE_865=m
- +CONFIG_NLS_CODEPAGE_866=m
- +CONFIG_NLS_CODEPAGE_869=m
- +CONFIG_NLS_CODEPAGE_936=m
- +CONFIG_NLS_CODEPAGE_950=m
- +CONFIG_NLS_CODEPAGE_932=m
- +CONFIG_NLS_CODEPAGE_949=m
- +CONFIG_NLS_CODEPAGE_874=m
- +CONFIG_NLS_ISO8859_8=m
- +CONFIG_NLS_CODEPAGE_1250=m
- +CONFIG_NLS_CODEPAGE_1251=m
- +CONFIG_NLS_ASCII=y
- +CONFIG_NLS_ISO8859_1=m
- +CONFIG_NLS_ISO8859_2=m
- +CONFIG_NLS_ISO8859_3=m
- +CONFIG_NLS_ISO8859_4=m
- +CONFIG_NLS_ISO8859_5=m
- +CONFIG_NLS_ISO8859_6=m
- +CONFIG_NLS_ISO8859_7=m
- +CONFIG_NLS_ISO8859_9=m
- +CONFIG_NLS_ISO8859_13=m
- +CONFIG_NLS_ISO8859_14=m
- +CONFIG_NLS_ISO8859_15=m
- +CONFIG_NLS_KOI8_R=m
- +CONFIG_NLS_KOI8_U=m
- +CONFIG_NLS_UTF8=m
- +CONFIG_PRINTK_TIME=y
- +CONFIG_BOOT_PRINTK_DELAY=y
- +CONFIG_DEBUG_INFO=y
- +CONFIG_DEBUG_STACK_USAGE=y
- +CONFIG_DEBUG_MEMORY_INIT=y
- +CONFIG_DETECT_HUNG_TASK=y
- +CONFIG_TIMER_STATS=y
- +CONFIG_LATENCYTOP=y
- +CONFIG_IRQSOFF_TRACER=y
- +CONFIG_SCHED_TRACER=y
- +CONFIG_STACK_TRACER=y
- +CONFIG_BLK_DEV_IO_TRACE=y
- +CONFIG_FUNCTION_PROFILER=y
- +CONFIG_KGDB=y
- +CONFIG_KGDB_KDB=y
- +CONFIG_KDB_KEYBOARD=y
- +CONFIG_STRICT_DEVMEM=y
- +CONFIG_CRYPTO_AUTHENC=m
- +CONFIG_CRYPTO_CBC=y
- +CONFIG_CRYPTO_HMAC=y
- +CONFIG_CRYPTO_XCBC=m
- +CONFIG_CRYPTO_MD5=y
- +CONFIG_CRYPTO_SHA1=y
- +CONFIG_CRYPTO_SHA512=m
- +CONFIG_CRYPTO_TGR192=m
- +CONFIG_CRYPTO_WP512=m
- +CONFIG_CRYPTO_CAST5=m
- +CONFIG_CRYPTO_DES=y
- +CONFIG_CRYPTO_DEFLATE=m
- +# CONFIG_CRYPTO_ANSI_CPRNG is not set
- +# CONFIG_CRYPTO_HW is not set
- +CONFIG_CRC_ITU_T=y
- +CONFIG_LIBCRC32C=y
- --- a/arch/arm/kernel/process.c
- +++ b/arch/arm/kernel/process.c
- @@ -172,6 +172,16 @@ void arch_cpu_idle_dead(void)
- }
- #endif
-
- +char bcm2708_reboot_mode = 'h';
- +
- +int __init reboot_setup(char *str)
- +{
- + bcm2708_reboot_mode = str[0];
- + return 1;
- +}
- +
- +__setup("reboot=", reboot_setup);
- +
- /*
- * Called by kexec, immediately prior to machine_kexec().
- *
- --- /dev/null
- +++ b/arch/arm/mach-bcm2708/Kconfig
- @@ -0,0 +1,26 @@
- +menu "Broadcom BCM2708 Implementations"
- + depends on ARCH_BCM2708
- +
- +config MACH_BCM2708
- + bool "Broadcom BCM2708 Development Platform"
- + select NEED_MACH_MEMORY_H
- + select NEED_MACH_IO_H
- + select CPU_V6
- + help
- + Include support for the Broadcom(R) BCM2708 platform.
- +
- +config BCM2708_VCMEM
- + bool "Videocore Memory"
- + depends on MACH_BCM2708
- + default y
- + help
- + Helper for videocore memory access and total size allocation.
- +
- +config BCM2708_NOL2CACHE
- + bool "Videocore L2 cache disable"
- + depends on MACH_BCM2708
- + default n
- + help
- + Do not allow ARM to use GPU's L2 cache. Requires disable_l2cache in config.txt.
- +
- +endmenu
- --- /dev/null
- +++ b/arch/arm/mach-bcm2708/Makefile
- @@ -0,0 +1,6 @@
- +#
- +# Makefile for the linux kernel.
- +#
- +
- +obj-$(CONFIG_MACH_BCM2708) += clock.o bcm2708.o armctrl.o vcio.o power.o dma.o
- +obj-$(CONFIG_BCM2708_VCMEM) += vc_mem.o
- --- /dev/null
- +++ b/arch/arm/mach-bcm2708/Makefile.boot
- @@ -0,0 +1,3 @@
- + zreladdr-y := 0x00008000
- +params_phys-y := 0x00000100
- +initrd_phys-y := 0x00800000
- --- /dev/null
- +++ b/arch/arm/mach-bcm2708/armctrl.c
- @@ -0,0 +1,208 @@
- +/*
- + * linux/arch/arm/mach-bcm2708/armctrl.c
- + *
- + * Copyright (C) 2010 Broadcom
- + *
- + * This program is free software; you can redistribute it and/or modify
- + * it under the terms of the GNU General Public License as published by
- + * the Free Software Foundation; either version 2 of the License, or
- + * (at your option) any later version.
- + *
- + * This program is distributed in the hope that it will be useful,
- + * but WITHOUT ANY WARRANTY; without even the implied warranty of
- + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- + * GNU General Public License for more details.
- + *
- + * You should have received a copy of the GNU General Public License
- + * along with this program; if not, write to the Free Software
- + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- + */
- +#include <linux/init.h>
- +#include <linux/list.h>
- +#include <linux/io.h>
- +#include <linux/version.h>
- +#include <linux/syscore_ops.h>
- +#include <linux/interrupt.h>
- +
- +#include <asm/mach/irq.h>
- +#include <mach/hardware.h>
- +#include "armctrl.h"
- +
- +/* For support of kernels >= 3.0 assume only one VIC for now*/
- +static unsigned int remap_irqs[(INTERRUPT_ARASANSDIO + 1) - INTERRUPT_JPEG] = {
- + INTERRUPT_VC_JPEG,
- + INTERRUPT_VC_USB,
- + INTERRUPT_VC_3D,
- + INTERRUPT_VC_DMA2,
- + INTERRUPT_VC_DMA3,
- + INTERRUPT_VC_I2C,
- + INTERRUPT_VC_SPI,
- + INTERRUPT_VC_I2SPCM,
- + INTERRUPT_VC_SDIO,
- + INTERRUPT_VC_UART,
- + INTERRUPT_VC_ARASANSDIO
- +};
- +
- +static void armctrl_mask_irq(struct irq_data *d)
- +{
- + static const unsigned int disables[4] = {
- + ARM_IRQ_DIBL1,
- + ARM_IRQ_DIBL2,
- + ARM_IRQ_DIBL3,
- + 0
- + };
- +
- + unsigned int data = (unsigned int)irq_get_chip_data(d->irq);
- + writel(1 << (data & 0x1f), __io_address(disables[(data >> 5) & 0x3]));
- +}
- +
- +static void armctrl_unmask_irq(struct irq_data *d)
- +{
- + static const unsigned int enables[4] = {
- + ARM_IRQ_ENBL1,
- + ARM_IRQ_ENBL2,
- + ARM_IRQ_ENBL3,
- + 0
- + };
- +
- + unsigned int data = (unsigned int)irq_get_chip_data(d->irq);
- + writel(1 << (data & 0x1f), __io_address(enables[(data >> 5) & 0x3]));
- +}
- +
- +#if defined(CONFIG_PM)
- +
- +/* for kernels 3.xx use the new syscore_ops apis but for older kernels use the sys dev class */
- +
- +/* Static defines
- + * struct armctrl_device - VIC PM device (< 3.xx)
- + * @sysdev: The system device which is registered. (< 3.xx)
- + * @irq: The IRQ number for the base of the VIC.
- + * @base: The register base for the VIC.
- + * @resume_sources: A bitmask of interrupts for resume.
- + * @resume_irqs: The IRQs enabled for resume.
- + * @int_select: Save for VIC_INT_SELECT.
- + * @int_enable: Save for VIC_INT_ENABLE.
- + * @soft_int: Save for VIC_INT_SOFT.
- + * @protect: Save for VIC_PROTECT.
- + */
- +struct armctrl_info {
- + void __iomem *base;
- + int irq;
- + u32 resume_sources;
- + u32 resume_irqs;
- + u32 int_select;
- + u32 int_enable;
- + u32 soft_int;
- + u32 protect;
- +} armctrl;
- +
- +static int armctrl_suspend(void)
- +{
- + return 0;
- +}
- +
- +static void armctrl_resume(void)
- +{
- + return;
- +}
- +
- +/**
- + * armctrl_pm_register - Register a VIC for later power management control
- + * @base: The base address of the VIC.
- + * @irq: The base IRQ for the VIC.
- + * @resume_sources: bitmask of interrupts allowed for resume sources.
- + *
- + * For older kernels (< 3.xx) do -
- + * Register the VIC with the system device tree so that it can be notified
- + * of suspend and resume requests and ensure that the correct actions are
- + * taken to re-instate the settings on resume.
- + */
- +static void __init armctrl_pm_register(void __iomem * base, unsigned int irq,
- + u32 resume_sources)
- +{
- + armctrl.base = base;
- + armctrl.resume_sources = resume_sources;
- + armctrl.irq = irq;
- +}
- +
- +static int armctrl_set_wake(struct irq_data *d, unsigned int on)
- +{
- + unsigned int off = d->irq & 31;
- + u32 bit = 1 << off;
- +
- + if (!(bit & armctrl.resume_sources))
- + return -EINVAL;
- +
- + if (on)
- + armctrl.resume_irqs |= bit;
- + else
- + armctrl.resume_irqs &= ~bit;
- +
- + return 0;
- +}
- +
- +#else
- +static inline void armctrl_pm_register(void __iomem * base, unsigned int irq,
- + u32 arg1)
- +{
- +}
- +
- +#define armctrl_suspend NULL
- +#define armctrl_resume NULL
- +#define armctrl_set_wake NULL
- +#endif /* CONFIG_PM */
- +
- +static struct syscore_ops armctrl_syscore_ops = {
- + .suspend = armctrl_suspend,
- + .resume = armctrl_resume,
- +};
- +
- +/**
- + * armctrl_syscore_init - initicall to register VIC pm functions
- + *
- + * This is called via late_initcall() to register
- + * the resources for the VICs due to the early
- + * nature of the VIC's registration.
- +*/
- +static int __init armctrl_syscore_init(void)
- +{
- + register_syscore_ops(&armctrl_syscore_ops);
- + return 0;
- +}
- +
- +late_initcall(armctrl_syscore_init);
- +
- +static struct irq_chip armctrl_chip = {
- + .name = "ARMCTRL",
- + .irq_ack = NULL,
- + .irq_mask = armctrl_mask_irq,
- + .irq_unmask = armctrl_unmask_irq,
- + .irq_set_wake = armctrl_set_wake,
- +};
- +
- +/**
- + * armctrl_init - initialise a vectored interrupt controller
- + * @base: iomem base address
- + * @irq_start: starting interrupt number, must be muliple of 32
- + * @armctrl_sources: bitmask of interrupt sources to allow
- + * @resume_sources: bitmask of interrupt sources to allow for resume
- + */
- +int __init armctrl_init(void __iomem * base, unsigned int irq_start,
- + u32 armctrl_sources, u32 resume_sources)
- +{
- + unsigned int irq;
- +
- + for (irq = 0; irq < BCM2708_ALLOC_IRQS; irq++) {
- + unsigned int data = irq;
- + if (irq >= INTERRUPT_JPEG && irq <= INTERRUPT_ARASANSDIO)
- + data = remap_irqs[irq - INTERRUPT_JPEG];
- +
- + irq_set_chip(irq, &armctrl_chip);
- + irq_set_chip_data(irq, (void *)data);
- + irq_set_handler(irq, handle_level_irq);
- + set_irq_flags(irq, IRQF_VALID | IRQF_PROBE | IRQF_DISABLED);
- + }
- +
- + armctrl_pm_register(base, irq_start, resume_sources);
- + return 0;
- +}
- --- /dev/null
- +++ b/arch/arm/mach-bcm2708/armctrl.h
- @@ -0,0 +1,27 @@
- +/*
- + * linux/arch/arm/mach-bcm2708/armctrl.h
- + *
- + * Copyright (C) 2010 Broadcom
- + *
- + * 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
- + */
- +
- +#ifndef __BCM2708_ARMCTRL_H
- +#define __BCM2708_ARMCTRL_H
- +
- +extern int __init armctrl_init(void __iomem * base, unsigned int irq_start,
- + u32 armctrl_sources, u32 resume_sources);
- +
- +#endif
- --- /dev/null
- +++ b/arch/arm/mach-bcm2708/bcm2708.c
- @@ -0,0 +1,662 @@
- +/*
- + * linux/arch/arm/mach-bcm2708/bcm2708.c
- + *
- + * Copyright (C) 2010 Broadcom
- + *
- + * This program is free software; you can redistribute it and/or modify
- + * it under the terms of the GNU General Public License as published by
- + * the Free Software Foundation; either version 2 of the License, or
- + * (at your option) any later version.
- + *
- + * This program is distributed in the hope that it will be useful,
- + * but WITHOUT ANY WARRANTY; without even the implied warranty of
- + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- + * GNU General Public License for more details.
- + *
- + * You should have received a copy of the GNU General Public License
- + * along with this program; if not, write to the Free Software
- + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- + */
- +
- +#include <linux/init.h>
- +#include <linux/device.h>
- +#include <linux/dma-mapping.h>
- +#include <linux/serial_8250.h>
- +#include <linux/platform_device.h>
- +#include <linux/syscore_ops.h>
- +#include <linux/interrupt.h>
- +#include <linux/amba/bus.h>
- +#include <linux/amba/clcd.h>
- +#include <linux/clockchips.h>
- +#include <linux/cnt32_to_63.h>
- +#include <linux/io.h>
- +#include <linux/module.h>
- +
- +#include <linux/version.h>
- +#include <linux/clkdev.h>
- +#include <asm/system_info.h>
- +#include <mach/hardware.h>
- +#include <asm/irq.h>
- +#include <linux/leds.h>
- +#include <asm/mach-types.h>
- +#include <linux/sched_clock.h>
- +
- +#include <asm/mach/arch.h>
- +#include <asm/mach/flash.h>
- +#include <asm/mach/irq.h>
- +#include <asm/mach/time.h>
- +#include <asm/mach/map.h>
- +
- +#include <mach/timex.h>
- +#include <mach/dma.h>
- +#include <mach/vcio.h>
- +#include <mach/system.h>
- +
- +#include <linux/delay.h>
- +
- +#include "bcm2708.h"
- +#include "armctrl.h"
- +#include "clock.h"
- +
- +#ifdef CONFIG_BCM_VC_CMA
- +#include <linux/broadcom/vc_cma.h>
- +#endif
- +
- +
- +/* Effectively we have an IOMMU (ARM<->VideoCore map) that is set up to
- + * give us IO access only to 64Mbytes of physical memory (26 bits). We could
- + * represent this window by setting our dmamasks to 26 bits but, in fact
- + * we're not going to use addresses outside this range (they're not in real
- + * memory) so we don't bother.
- + *
- + * In the future we might include code to use this IOMMU to remap other
- + * physical addresses onto VideoCore memory then the use of 32-bits would be
- + * more legitimate.
- + */
- +#define DMA_MASK_BITS_COMMON 32
- +
- +/* command line parameters */
- +static unsigned boardrev, serial;
- +static unsigned uart_clock;
- +static unsigned disk_led_gpio = 16;
- +static unsigned disk_led_active_low = 1;
- +static unsigned reboot_part = 0;
- +
- +static void __init bcm2708_init_led(void);
- +
- +void __init bcm2708_init_irq(void)
- +{
- + armctrl_init(__io_address(ARMCTRL_IC_BASE), 0, 0, 0);
- +}
- +
- +static struct map_desc bcm2708_io_desc[] __initdata = {
- + {
- + .virtual = IO_ADDRESS(ARMCTRL_BASE),
- + .pfn = __phys_to_pfn(ARMCTRL_BASE),
- + .length = SZ_4K,
- + .type = MT_DEVICE},
- + {
- + .virtual = IO_ADDRESS(UART0_BASE),
- + .pfn = __phys_to_pfn(UART0_BASE),
- + .length = SZ_4K,
- + .type = MT_DEVICE},
- + {
- + .virtual = IO_ADDRESS(UART1_BASE),
- + .pfn = __phys_to_pfn(UART1_BASE),
- + .length = SZ_4K,
- + .type = MT_DEVICE},
- + {
- + .virtual = IO_ADDRESS(DMA_BASE),
- + .pfn = __phys_to_pfn(DMA_BASE),
- + .length = SZ_4K,
- + .type = MT_DEVICE},
- + {
- + .virtual = IO_ADDRESS(MCORE_BASE),
- + .pfn = __phys_to_pfn(MCORE_BASE),
- + .length = SZ_4K,
- + .type = MT_DEVICE},
- + {
- + .virtual = IO_ADDRESS(ST_BASE),
- + .pfn = __phys_to_pfn(ST_BASE),
- + .length = SZ_4K,
- + .type = MT_DEVICE},
- + {
- + .virtual = IO_ADDRESS(USB_BASE),
- + .pfn = __phys_to_pfn(USB_BASE),
- + .length = SZ_128K,
- + .type = MT_DEVICE},
- + {
- + .virtual = IO_ADDRESS(PM_BASE),
- + .pfn = __phys_to_pfn(PM_BASE),
- + .length = SZ_4K,
- + .type = MT_DEVICE},
- + {
- + .virtual = IO_ADDRESS(GPIO_BASE),
- + .pfn = __phys_to_pfn(GPIO_BASE),
- + .length = SZ_4K,
- + .type = MT_DEVICE}
- +};
- +
- +void __init bcm2708_map_io(void)
- +{
- + iotable_init(bcm2708_io_desc, ARRAY_SIZE(bcm2708_io_desc));
- +}
- +
- +/* The STC is a free running counter that increments at the rate of 1MHz */
- +#define STC_FREQ_HZ 1000000
- +
- +static inline uint32_t timer_read(void)
- +{
- + /* STC: a free running counter that increments at the rate of 1MHz */
- + return readl(__io_address(ST_BASE + 0x04));
- +}
- +
- +static unsigned long bcm2708_read_current_timer(void)
- +{
- + return timer_read();
- +}
- +
- +static u64 notrace bcm2708_read_sched_clock(void)
- +{
- + return timer_read();
- +}
- +
- +static cycle_t clksrc_read(struct clocksource *cs)
- +{
- + return timer_read();
- +}
- +
- +static struct clocksource clocksource_stc = {
- + .name = "stc",
- + .rating = 300,
- + .read = clksrc_read,
- + .mask = CLOCKSOURCE_MASK(32),
- + .flags = CLOCK_SOURCE_IS_CONTINUOUS,
- +};
- +
- +unsigned long frc_clock_ticks32(void)
- +{
- + return timer_read();
- +}
- +
- +static void __init bcm2708_clocksource_init(void)
- +{
- + if (clocksource_register_hz(&clocksource_stc, STC_FREQ_HZ)) {
- + printk(KERN_ERR "timer: failed to initialize clock "
- + "source %s\n", clocksource_stc.name);
- + }
- +}
- +
- +
- +/*
- + * These are fixed clocks.
- + */
- +static struct clk ref24_clk = {
- + .rate = UART0_CLOCK, /* The UART is clocked at 3MHz via APB_CLK */
- +};
- +
- +static struct clk osc_clk = {
- +#ifdef CONFIG_ARCH_BCM2708_CHIPIT
- + .rate = 27000000,
- +#else
- + .rate = 500000000, /* ARM clock is set from the VideoCore booter */
- +#endif
- +};
- +
- +/* warning - the USB needs a clock > 34MHz */
- +
- +#ifdef CONFIG_MMC_BCM2708
- +static struct clk sdhost_clk = {
- +#ifdef CONFIG_ARCH_BCM2708_CHIPIT
- + .rate = 4000000, /* 4MHz */
- +#else
- + .rate = 250000000, /* 250MHz */
- +#endif
- +};
- +#endif
- +
- +static struct clk_lookup lookups[] = {
- + { /* UART0 */
- + .dev_id = "dev:f1",
- + .clk = &ref24_clk,
- + },
- + { /* USB */
- + .dev_id = "bcm2708_usb",
- + .clk = &osc_clk,
- + }
- +};
- +
- +#define UART0_IRQ { IRQ_UART, 0 /*NO_IRQ*/ }
- +#define UART0_DMA { 15, 14 }
- +
- +AMBA_DEVICE(uart0, "dev:f1", UART0, NULL);
- +
- +static struct amba_device *amba_devs[] __initdata = {
- + &uart0_device,
- +};
- +
- +static struct resource bcm2708_dmaman_resources[] = {
- + {
- + .start = DMA_BASE,
- + .end = DMA_BASE + SZ_4K - 1,
- + .flags = IORESOURCE_MEM,
- + }
- +};
- +
- +static struct platform_device bcm2708_dmaman_device = {
- + .name = BCM_DMAMAN_DRIVER_NAME,
- + .id = 0, /* first bcm2708_dma */
- + .resource = bcm2708_dmaman_resources,
- + .num_resources = ARRAY_SIZE(bcm2708_dmaman_resources),
- +};
- +
- +static u64 fb_dmamask = DMA_BIT_MASK(DMA_MASK_BITS_COMMON);
- +
- +static struct platform_device bcm2708_fb_device = {
- + .name = "bcm2708_fb",
- + .id = -1, /* only one bcm2708_fb */
- + .resource = NULL,
- + .num_resources = 0,
- + .dev = {
- + .dma_mask = &fb_dmamask,
- + .coherent_dma_mask = DMA_BIT_MASK(DMA_MASK_BITS_COMMON),
- + },
- +};
- +
- +static struct plat_serial8250_port bcm2708_uart1_platform_data[] = {
- + {
- + .mapbase = UART1_BASE + 0x40,
- + .irq = IRQ_AUX,
- + .uartclk = 125000000,
- + .regshift = 2,
- + .iotype = UPIO_MEM,
- + .flags = UPF_FIXED_TYPE | UPF_IOREMAP | UPF_SKIP_TEST,
- + .type = PORT_8250,
- + },
- + {},
- +};
- +
- +static struct platform_device bcm2708_uart1_device = {
- + .name = "serial8250",
- + .id = PLAT8250_DEV_PLATFORM,
- + .dev = {
- + .platform_data = bcm2708_uart1_platform_data,
- + },
- +};
- +
- +static struct resource bcm2708_usb_resources[] = {
- + [0] = {
- + .start = USB_BASE,
- + .end = USB_BASE + SZ_128K - 1,
- + .flags = IORESOURCE_MEM,
- + },
- + [1] = {
- + .start = IRQ_USB,
- + .end = IRQ_USB,
- + .flags = IORESOURCE_IRQ,
- + },
- +};
- +
- +static u64 usb_dmamask = DMA_BIT_MASK(DMA_MASK_BITS_COMMON);
- +
- +static struct platform_device bcm2708_usb_device = {
- + .name = "bcm2708_usb",
- + .id = -1, /* only one bcm2708_usb */
- + .resource = bcm2708_usb_resources,
- + .num_resources = ARRAY_SIZE(bcm2708_usb_resources),
- + .dev = {
- + .dma_mask = &usb_dmamask,
- + .coherent_dma_mask = DMA_BIT_MASK(DMA_MASK_BITS_COMMON),
- + },
- +};
- +
- +static struct resource bcm2708_vcio_resources[] = {
- + [0] = { /* mailbox/semaphore/doorbell access */
- + .start = MCORE_BASE,
- + .end = MCORE_BASE + SZ_4K - 1,
- + .flags = IORESOURCE_MEM,
- + },
- +};
- +
- +static u64 vcio_dmamask = DMA_BIT_MASK(DMA_MASK_BITS_COMMON);
- +
- +static struct platform_device bcm2708_vcio_device = {
- + .name = BCM_VCIO_DRIVER_NAME,
- + .id = -1, /* only one VideoCore I/O area */
- + .resource = bcm2708_vcio_resources,
- + .num_resources = ARRAY_SIZE(bcm2708_vcio_resources),
- + .dev = {
- + .dma_mask = &vcio_dmamask,
- + .coherent_dma_mask = DMA_BIT_MASK(DMA_MASK_BITS_COMMON),
- + },
- +};
- +
- +static struct resource bcm2708_systemtimer_resources[] = {
- + [0] = { /* system timer access */
- + .start = ST_BASE,
- + .end = ST_BASE + SZ_4K - 1,
- + .flags = IORESOURCE_MEM,
- + },
- + {
- + .start = IRQ_TIMER3,
- + .end = IRQ_TIMER3,
- + .flags = IORESOURCE_IRQ,
- + }
- +
- +};
- +
- +static u64 systemtimer_dmamask = DMA_BIT_MASK(DMA_MASK_BITS_COMMON);
- +
- +static struct platform_device bcm2708_systemtimer_device = {
- + .name = "bcm2708_systemtimer",
- + .id = -1, /* only one VideoCore I/O area */
- + .resource = bcm2708_systemtimer_resources,
- + .num_resources = ARRAY_SIZE(bcm2708_systemtimer_resources),
- + .dev = {
- + .dma_mask = &systemtimer_dmamask,
- + .coherent_dma_mask = DMA_BIT_MASK(DMA_MASK_BITS_COMMON),
- + },
- +};
- +
- +static struct resource bcm2708_powerman_resources[] = {
- + [0] = {
- + .start = PM_BASE,
- + .end = PM_BASE + SZ_256 - 1,
- + .flags = IORESOURCE_MEM,
- + },
- +};
- +
- +static u64 powerman_dmamask = DMA_BIT_MASK(DMA_MASK_BITS_COMMON);
- +
- +struct platform_device bcm2708_powerman_device = {
- + .name = "bcm2708_powerman",
- + .id = 0,
- + .num_resources = ARRAY_SIZE(bcm2708_powerman_resources),
- + .resource = bcm2708_powerman_resources,
- + .dev = {
- + .dma_mask = &powerman_dmamask,
- + .coherent_dma_mask = 0xffffffffUL},
- +};
- +
- +int __init bcm_register_device(struct platform_device *pdev)
- +{
- + int ret;
- +
- + ret = platform_device_register(pdev);
- + if (ret)
- + pr_debug("Unable to register platform device '%s': %d\n",
- + pdev->name, ret);
- +
- + return ret;
- +}
- +
- +int calc_rsts(int partition)
- +{
- + return PM_PASSWORD |
- + ((partition & (1 << 0)) << 0) |
- + ((partition & (1 << 1)) << 1) |
- + ((partition & (1 << 2)) << 2) |
- + ((partition & (1 << 3)) << 3) |
- + ((partition & (1 << 4)) << 4) |
- + ((partition & (1 << 5)) << 5);
- +}
- +
- +static void bcm2708_restart(enum reboot_mode mode, const char *cmd)
- +{
- + extern char bcm2708_reboot_mode;
- + uint32_t pm_rstc, pm_wdog;
- + uint32_t timeout = 10;
- + uint32_t pm_rsts = 0;
- +
- + if(bcm2708_reboot_mode == 'q')
- + {
- + // NOOBS < 1.3 booting with reboot=q
- + pm_rsts = readl(__io_address(PM_RSTS));
- + pm_rsts = PM_PASSWORD | pm_rsts | PM_RSTS_HADWRQ_SET;
- + }
- + else if(bcm2708_reboot_mode == 'p')
- + {
- + // NOOBS < 1.3 halting
- + pm_rsts = readl(__io_address(PM_RSTS));
- + pm_rsts = PM_PASSWORD | pm_rsts | PM_RSTS_HADWRH_SET;
- + }
- + else
- + {
- + pm_rsts = calc_rsts(reboot_part);
- + }
- +
- + writel(pm_rsts, __io_address(PM_RSTS));
- +
- + /* Setup watchdog for reset */
- + pm_rstc = readl(__io_address(PM_RSTC));
- +
- + pm_wdog = PM_PASSWORD | (timeout & PM_WDOG_TIME_SET); // watchdog timer = timer clock / 16; need password (31:16) + value (11:0)
- + pm_rstc = PM_PASSWORD | (pm_rstc & PM_RSTC_WRCFG_CLR) | PM_RSTC_WRCFG_FULL_RESET;
- +
- + writel(pm_wdog, __io_address(PM_WDOG));
- + writel(pm_rstc, __io_address(PM_RSTC));
- +}
- +
- +/* We can't really power off, but if we do the normal reset scheme, and indicate to bootcode.bin not to reboot, then most of the chip will be powered off */
- +static void bcm2708_power_off(void)
- +{
- + extern char bcm2708_reboot_mode;
- + if(bcm2708_reboot_mode == 'q')
- + {
- + // NOOBS < v1.3
- + bcm2708_restart('p', "");
- + }
- + else
- + {
- + /* partition 63 is special code for HALT the bootloader knows not to boot*/
- + reboot_part = 63;
- + /* continue with normal reset mechanism */
- + bcm2708_restart(0, "");
- + }
- +}
- +
- +void __init bcm2708_init(void)
- +{
- + int i;
- +
- +#if defined(CONFIG_BCM_VC_CMA)
- + vc_cma_early_init();
- +#endif
- + printk("bcm2708.uart_clock = %d\n", uart_clock);
- + pm_power_off = bcm2708_power_off;
- +
- + if (uart_clock)
- + lookups[0].clk->rate = uart_clock;
- +
- + for (i = 0; i < ARRAY_SIZE(lookups); i++)
- + clkdev_add(&lookups[i]);
- +
- + bcm_register_device(&bcm2708_dmaman_device);
- + bcm_register_device(&bcm2708_vcio_device);
- + bcm_register_device(&bcm2708_systemtimer_device);
- + bcm_register_device(&bcm2708_fb_device);
- + bcm_register_device(&bcm2708_usb_device);
- + bcm_register_device(&bcm2708_uart1_device);
- + bcm_register_device(&bcm2708_powerman_device);
- +
- + bcm2708_init_led();
- +
- + for (i = 0; i < ARRAY_SIZE(amba_devs); i++) {
- + struct amba_device *d = amba_devs[i];
- + amba_device_register(d, &iomem_resource);
- + }
- + system_rev = boardrev;
- + system_serial_low = serial;
- +}
- +
- +static void timer_set_mode(enum clock_event_mode mode,
- + struct clock_event_device *clk)
- +{
- + switch (mode) {
- + case CLOCK_EVT_MODE_ONESHOT: /* Leave the timer disabled, .set_next_event will enable it */
- + case CLOCK_EVT_MODE_SHUTDOWN:
- + break;
- + case CLOCK_EVT_MODE_PERIODIC:
- +
- + case CLOCK_EVT_MODE_UNUSED:
- + case CLOCK_EVT_MODE_RESUME:
- +
- + default:
- + printk(KERN_ERR "timer_set_mode: unhandled mode:%d\n",
- + (int)mode);
- + break;
- + }
- +
- +}
- +
- +static int timer_set_next_event(unsigned long cycles,
- + struct clock_event_device *unused)
- +{
- + unsigned long stc;
- + do {
- + stc = readl(__io_address(ST_BASE + 0x04));
- + /* We could take a FIQ here, which may push ST above STC3 */
- + writel(stc + cycles, __io_address(ST_BASE + 0x18));
- + } while ((signed long) cycles >= 0 &&
- + (signed long) (readl(__io_address(ST_BASE + 0x04)) - stc)
- + >= (signed long) cycles);
- + return 0;
- +}
- +
- +static struct clock_event_device timer0_clockevent = {
- + .name = "timer0",
- + .shift = 32,
- + .features = CLOCK_EVT_FEAT_ONESHOT,
- + .set_mode = timer_set_mode,
- + .set_next_event = timer_set_next_event,
- +};
- +
- +/*
- + * IRQ handler for the timer
- + */
- +static irqreturn_t bcm2708_timer_interrupt(int irq, void *dev_id)
- +{
- + struct clock_event_device *evt = &timer0_clockevent;
- +
- + writel(1 << 3, __io_address(ST_BASE + 0x00)); /* stcs clear timer int */
- +
- + evt->event_handler(evt);
- +
- + return IRQ_HANDLED;
- +}
- +
- +static struct irqaction bcm2708_timer_irq = {
- + .name = "BCM2708 Timer Tick",
- + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
- + .handler = bcm2708_timer_interrupt,
- +};
- +
- +/*
- + * Set up timer interrupt, and return the current time in seconds.
- + */
- +
- +static struct delay_timer bcm2708_delay_timer = {
- + .read_current_timer = bcm2708_read_current_timer,
- + .freq = STC_FREQ_HZ,
- +};
- +
- +static void __init bcm2708_timer_init(void)
- +{
- + /* init high res timer */
- + bcm2708_clocksource_init();
- +
- + /*
- + * Initialise to a known state (all timers off)
- + */
- + writel(0, __io_address(ARM_T_CONTROL));
- + /*
- + * Make irqs happen for the system timer
- + */
- + setup_irq(IRQ_TIMER3, &bcm2708_timer_irq);
- +
- + sched_clock_register(bcm2708_read_sched_clock, 32, STC_FREQ_HZ);
- +
- + timer0_clockevent.mult =
- + div_sc(STC_FREQ_HZ, NSEC_PER_SEC, timer0_clockevent.shift);
- + timer0_clockevent.max_delta_ns =
- + clockevent_delta2ns(0xffffffff, &timer0_clockevent);
- + timer0_clockevent.min_delta_ns =
- + clockevent_delta2ns(0xf, &timer0_clockevent);
- +
- + timer0_clockevent.cpumask = cpumask_of(0);
- + clockevents_register_device(&timer0_clockevent);
- +
- + register_current_timer_delay(&bcm2708_delay_timer);
- +}
- +
- +#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
- +#include <linux/leds.h>
- +
- +static struct gpio_led bcm2708_leds[] = {
- + [0] = {
- + .gpio = 16,
- + .name = "led0",
- + .default_trigger = "mmc0",
- + .active_low = 1,
- + },
- +};
- +
- +static struct gpio_led_platform_data bcm2708_led_pdata = {
- + .num_leds = ARRAY_SIZE(bcm2708_leds),
- + .leds = bcm2708_leds,
- +};
- +
- +static struct platform_device bcm2708_led_device = {
- + .name = "leds-gpio",
- + .id = -1,
- + .dev = {
- + .platform_data = &bcm2708_led_pdata,
- + },
- +};
- +
- +static void __init bcm2708_init_led(void)
- +{
- + bcm2708_leds[0].gpio = disk_led_gpio;
- + bcm2708_leds[0].active_low = disk_led_active_low;
- + platform_device_register(&bcm2708_led_device);
- +}
- +#else
- +static inline void bcm2708_init_led(void)
- +{
- +}
- +#endif
- +
- +void __init bcm2708_init_early(void)
- +{
- + /*
- + * Some devices allocate their coherent buffers from atomic
- + * context. Increase size of atomic coherent pool to make sure such
- + * the allocations won't fail.
- + */
- + init_dma_coherent_pool_size(SZ_4M);
- +}
- +
- +static void __init board_reserve(void)
- +{
- +#if defined(CONFIG_BCM_VC_CMA)
- + vc_cma_reserve();
- +#endif
- +}
- +
- +MACHINE_START(BCM2708, "BCM2708")
- + /* Maintainer: Broadcom Europe Ltd. */
- + .map_io = bcm2708_map_io,
- + .init_irq = bcm2708_init_irq,
- + .init_time = bcm2708_timer_init,
- + .init_machine = bcm2708_init,
- + .init_early = bcm2708_init_early,
- + .reserve = board_reserve,
- + .restart = bcm2708_restart,
- +MACHINE_END
- +
- +module_param(boardrev, uint, 0644);
- +module_param(serial, uint, 0644);
- +module_param(uart_clock, uint, 0644);
- +module_param(disk_led_gpio, uint, 0644);
- +module_param(disk_led_active_low, uint, 0644);
- +module_param(reboot_part, uint, 0644);
- --- /dev/null
- +++ b/arch/arm/mach-bcm2708/bcm2708.h
- @@ -0,0 +1,49 @@
- +/*
- + * linux/arch/arm/mach-bcm2708/bcm2708.h
- + *
- + * BCM2708 machine support header
- + *
- + * Copyright (C) 2010 Broadcom
- + *
- + * 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
- + */
- +
- +#ifndef __BCM2708_BCM2708_H
- +#define __BCM2708_BCM2708_H
- +
- +#include <linux/amba/bus.h>
- +
- +extern void __init bcm2708_init(void);
- +extern void __init bcm2708_init_irq(void);
- +extern void __init bcm2708_map_io(void);
- +extern struct sys_timer bcm2708_timer;
- +extern unsigned int mmc_status(struct device *dev);
- +
- +#define AMBA_DEVICE(name, busid, base, plat) \
- +static struct amba_device name##_device = { \
- + .dev = { \
- + .coherent_dma_mask = ~0, \
- + .init_name = busid, \
- + .platform_data = plat, \
- + }, \
- + .res = { \
- + .start = base##_BASE, \
- + .end = (base##_BASE) + SZ_4K - 1,\
- + .flags = IORESOURCE_MEM, \
- + }, \
- + .irq = base##_IRQ, \
- +}
- +
- +#endif
- --- /dev/null
- +++ b/arch/arm/mach-bcm2708/clock.c
- @@ -0,0 +1,61 @@
- +/*
- + * linux/arch/arm/mach-bcm2708/clock.c
- + *
- + * Copyright (C) 2010 Broadcom
- + *
- + * This program is free software; you can redistribute it and/or modify
- + * it under the terms of the GNU General Public License as published by
- + * the Free Software Foundation; either version 2 of the License, or
- + * (at your option) any later version.
- + *
- + * This program is distributed in the hope that it will be useful,
- + * but WITHOUT ANY WARRANTY; without even the implied warranty of
- + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- + * GNU General Public License for more details.
- + *
- + * You should have received a copy of the GNU General Public License
- + * along with this program; if not, write to the Free Software
- + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- + */
- +#include <linux/module.h>
- +#include <linux/kernel.h>
- +#include <linux/device.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 <asm/clkdev.h>
- +
- +#include "clock.h"
- +
- +int clk_enable(struct clk *clk)
- +{
- + return 0;
- +}
- +EXPORT_SYMBOL(clk_enable);
- +
- +void clk_disable(struct clk *clk)
- +{
- +}
- +EXPORT_SYMBOL(clk_disable);
- +
- +unsigned long clk_get_rate(struct clk *clk)
- +{
- + return clk->rate;
- +}
- +EXPORT_SYMBOL(clk_get_rate);
- +
- +long clk_round_rate(struct clk *clk, unsigned long rate)
- +{
- + return clk->rate;
- +}
- +EXPORT_SYMBOL(clk_round_rate);
- +
- +int clk_set_rate(struct clk *clk, unsigned long rate)
- +{
- + return -EIO;
- +}
- +EXPORT_SYMBOL(clk_set_rate);
- --- /dev/null
- +++ b/arch/arm/mach-bcm2708/clock.h
- @@ -0,0 +1,24 @@
- +/*
- + * linux/arch/arm/mach-bcm2708/clock.h
- + *
- + * Copyright (C) 2010 Broadcom
- + *
- + * 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
- + */
- +struct module;
- +
- +struct clk {
- + unsigned long rate;
- +};
- --- /dev/null
- +++ b/arch/arm/mach-bcm2708/dma.c
- @@ -0,0 +1,399 @@
- +/*
- + * linux/arch/arm/mach-bcm2708/dma.c
- + *
- + * Copyright (C) 2010 Broadcom
- + *
- + * 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.
- + */
- +
- +#include <linux/slab.h>
- +#include <linux/device.h>
- +#include <linux/platform_device.h>
- +#include <linux/module.h>
- +#include <linux/scatterlist.h>
- +
- +#include <mach/dma.h>
- +#include <mach/irqs.h>
- +
- +/*****************************************************************************\
- + * *
- + * Configuration *
- + * *
- +\*****************************************************************************/
- +
- +#define CACHE_LINE_MASK 31
- +#define DRIVER_NAME BCM_DMAMAN_DRIVER_NAME
- +#define DEFAULT_DMACHAN_BITMAP 0x10 /* channel 4 only */
- +
- +/* valid only for channels 0 - 14, 15 has its own base address */
- +#define BCM2708_DMA_CHAN(n) ((n)<<8) /* base address */
- +#define BCM2708_DMA_CHANIO(dma_base, n) \
- + ((void __iomem *)((char *)(dma_base)+BCM2708_DMA_CHAN(n)))
- +
- +
- +/*****************************************************************************\
- + * *
- + * DMA Auxilliary Functions *
- + * *
- +\*****************************************************************************/
- +
- +/* A DMA buffer on an arbitrary boundary may separate a cache line into a
- + section inside the DMA buffer and another section outside it.
- + Even if we flush DMA buffers from the cache there is always the chance that
- + during a DMA someone will access the part of a cache line that is outside
- + the DMA buffer - which will then bring in unwelcome data.
- + Without being able to dictate our own buffer pools we must insist that
- + DMA buffers consist of a whole number of cache lines.
- +*/
- +
- +extern int
- +bcm_sg_suitable_for_dma(struct scatterlist *sg_ptr, int sg_len)
- +{
- + int i;
- +
- + for (i = 0; i < sg_len; i++) {
- + if (sg_ptr[i].offset & CACHE_LINE_MASK ||
- + sg_ptr[i].length & CACHE_LINE_MASK)
- + return 0;
- + }
- +
- + return 1;
- +}
- +EXPORT_SYMBOL_GPL(bcm_sg_suitable_for_dma);
- +
- +extern void
- +bcm_dma_start(void __iomem *dma_chan_base, dma_addr_t control_block)
- +{
- + dsb(); /* ARM data synchronization (push) operation */
- +
- + writel(control_block, dma_chan_base + BCM2708_DMA_ADDR);
- + writel(BCM2708_DMA_ACTIVE, dma_chan_base + BCM2708_DMA_CS);
- +}
- +
- +extern void bcm_dma_wait_idle(void __iomem *dma_chan_base)
- +{
- + dsb();
- +
- + /* ugly busy wait only option for now */
- + while (readl(dma_chan_base + BCM2708_DMA_CS) & BCM2708_DMA_ACTIVE)
- + cpu_relax();
- +}
- +
- +EXPORT_SYMBOL_GPL(bcm_dma_start);
- +
- +/* Complete an ongoing DMA (assuming its results are to be ignored)
- + Does nothing if there is no DMA in progress.
- + This routine waits for the current AXI transfer to complete before
- + terminating the current DMA. If the current transfer is hung on a DREQ used
- + by an uncooperative peripheral the AXI transfer may never complete. In this
- + case the routine times out and return a non-zero error code.
- + Use of this routine doesn't guarantee that the ongoing or aborted DMA
- + does not produce an interrupt.
- +*/
- +extern int
- +bcm_dma_abort(void __iomem *dma_chan_base)
- +{
- + unsigned long int cs;
- + int rc = 0;
- +
- + cs = readl(dma_chan_base + BCM2708_DMA_CS);
- +
- + if (BCM2708_DMA_ACTIVE & cs) {
- + long int timeout = 10000;
- +
- + /* write 0 to the active bit - pause the DMA */
- + writel(0, dma_chan_base + BCM2708_DMA_CS);
- +
- + /* wait for any current AXI transfer to complete */
- + while (0 != (cs & BCM2708_DMA_ISPAUSED) && --timeout >= 0)
- + cs = readl(dma_chan_base + BCM2708_DMA_CS);
- +
- + if (0 != (cs & BCM2708_DMA_ISPAUSED)) {
- + /* we'll un-pause when we set of our next DMA */
- + rc = -ETIMEDOUT;
- +
- + } else if (BCM2708_DMA_ACTIVE & cs) {
- + /* terminate the control block chain */
- + writel(0, dma_chan_base + BCM2708_DMA_NEXTCB);
- +
- + /* abort the whole DMA */
- + writel(BCM2708_DMA_ABORT | BCM2708_DMA_ACTIVE,
- + dma_chan_base + BCM2708_DMA_CS);
- + }
- + }
- +
- + return rc;
- +}
- +EXPORT_SYMBOL_GPL(bcm_dma_abort);
- +
- +
- +/***************************************************************************** \
- + * *
- + * DMA Manager Device Methods *
- + * *
- +\*****************************************************************************/
- +
- +struct vc_dmaman {
- + void __iomem *dma_base;
- + u32 chan_available; /* bitmap of available channels */
- + u32 has_feature[BCM_DMA_FEATURE_COUNT]; /* bitmap of feature presence */
- +};
- +
- +static void vc_dmaman_init(struct vc_dmaman *dmaman, void __iomem *dma_base,
- + u32 chans_available)
- +{
- + dmaman->dma_base = dma_base;
- + dmaman->chan_available = chans_available;
- + dmaman->has_feature[BCM_DMA_FEATURE_FAST_ORD] = 0x0c; /* chans 2 & 3 */
- + dmaman->has_feature[BCM_DMA_FEATURE_BULK_ORD] = 0x01; /* chan 0 */
- +}
- +
- +static int vc_dmaman_chan_alloc(struct vc_dmaman *dmaman,
- + unsigned preferred_feature_set)
- +{
- + u32 chans;
- + int feature;
- +
- + chans = dmaman->chan_available;
- + for (feature = 0; feature < BCM_DMA_FEATURE_COUNT; feature++)
- + /* select the subset of available channels with the desired
- + feature so long as some of the candidate channels have that
- + feature */
- + if ((preferred_feature_set & (1 << feature)) &&
- + (chans & dmaman->has_feature[feature]))
- + chans &= dmaman->has_feature[feature];
- +
- + if (chans) {
- + int chan = 0;
- + /* return the ordinal of the first channel in the bitmap */
- + while (chans != 0 && (chans & 1) == 0) {
- + chans >>= 1;
- + chan++;
- + }
- + /* claim the channel */
- + dmaman->chan_available &= ~(1 << chan);
- + return chan;
- + } else
- + return -ENOMEM;
- +}
- +
- +static int vc_dmaman_chan_free(struct vc_dmaman *dmaman, int chan)
- +{
- + if (chan < 0)
- + return -EINVAL;
- + else if ((1 << chan) & dmaman->chan_available)
- + return -EIDRM;
- + else {
- + dmaman->chan_available |= (1 << chan);
- + return 0;
- + }
- +}
- +
- +/*****************************************************************************\
- + * *
- + * DMA IRQs *
- + * *
- +\*****************************************************************************/
- +
- +static unsigned char bcm_dma_irqs[] = {
- + IRQ_DMA0,
- + IRQ_DMA1,
- + IRQ_DMA2,
- + IRQ_DMA3,
- + IRQ_DMA4,
- + IRQ_DMA5,
- + IRQ_DMA6,
- + IRQ_DMA7,
- + IRQ_DMA8,
- + IRQ_DMA9,
- + IRQ_DMA10,
- + IRQ_DMA11,
- + IRQ_DMA12
- +};
- +
- +
- +/***************************************************************************** \
- + * *
- + * DMA Manager Monitor *
- + * *
- +\*****************************************************************************/
- +
- +static struct device *dmaman_dev; /* we assume there's only one! */
- +
- +extern int bcm_dma_chan_alloc(unsigned preferred_feature_set,
- + void __iomem **out_dma_base, int *out_dma_irq)
- +{
- + if (!dmaman_dev)
- + return -ENODEV;
- + else {
- + struct vc_dmaman *dmaman = dev_get_drvdata(dmaman_dev);
- + int rc;
- +
- + device_lock(dmaman_dev);
- + rc = vc_dmaman_chan_alloc(dmaman, preferred_feature_set);
- + if (rc >= 0) {
- + *out_dma_base = BCM2708_DMA_CHANIO(dmaman->dma_base,
- + rc);
- + *out_dma_irq = bcm_dma_irqs[rc];
- + }
- + device_unlock(dmaman_dev);
- +
- + return rc;
- + }
- +}
- +EXPORT_SYMBOL_GPL(bcm_dma_chan_alloc);
- +
- +extern int bcm_dma_chan_free(int channel)
- +{
- + if (dmaman_dev) {
- + struct vc_dmaman *dmaman = dev_get_drvdata(dmaman_dev);
- + int rc;
- +
- + device_lock(dmaman_dev);
- + rc = vc_dmaman_chan_free(dmaman, channel);
- + device_unlock(dmaman_dev);
- +
- + return rc;
- + } else
- + return -ENODEV;
- +}
- +EXPORT_SYMBOL_GPL(bcm_dma_chan_free);
- +
- +static int dev_dmaman_register(const char *dev_name, struct device *dev)
- +{
- + int rc = dmaman_dev ? -EINVAL : 0;
- + dmaman_dev = dev;
- + return rc;
- +}
- +
- +static void dev_dmaman_deregister(const char *dev_name, struct device *dev)
- +{
- + dmaman_dev = NULL;
- +}
- +
- +/*****************************************************************************\
- + * *
- + * DMA Device *
- + * *
- +\*****************************************************************************/
- +
- +static int dmachans = -1; /* module parameter */
- +
- +static int bcm_dmaman_probe(struct platform_device *pdev)
- +{
- + int ret = 0;
- + struct vc_dmaman *dmaman;
- + struct resource *dma_res = NULL;
- + void __iomem *dma_base = NULL;
- + int have_dma_region = 0;
- +
- + dmaman = kzalloc(sizeof(*dmaman), GFP_KERNEL);
- + if (NULL == dmaman) {
- + printk(KERN_ERR DRIVER_NAME ": failed to allocate "
- + "DMA management memory\n");
- + ret = -ENOMEM;
- + } else {
- +
- + dma_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- + if (dma_res == NULL) {
- + printk(KERN_ERR DRIVER_NAME ": failed to obtain memory "
- + "resource\n");
- + ret = -ENODEV;
- + } else if (!request_mem_region(dma_res->start,
- + resource_size(dma_res),
- + DRIVER_NAME)) {
- + dev_err(&pdev->dev, "cannot obtain DMA region\n");
- + ret = -EBUSY;
- + } else {
- + have_dma_region = 1;
- + dma_base = ioremap(dma_res->start,
- + resource_size(dma_res));
- + if (!dma_base) {
- + dev_err(&pdev->dev, "cannot map DMA region\n");
- + ret = -ENOMEM;
- + } else {
- + /* use module parameter if one was provided */
- + if (dmachans > 0)
- + vc_dmaman_init(dmaman, dma_base,
- + dmachans);
- + else
- + vc_dmaman_init(dmaman, dma_base,
- + DEFAULT_DMACHAN_BITMAP);
- +
- + platform_set_drvdata(pdev, dmaman);
- + dev_dmaman_register(DRIVER_NAME, &pdev->dev);
- +
- + printk(KERN_INFO DRIVER_NAME ": DMA manager "
- + "at %p\n", dma_base);
- + }
- + }
- + }
- + if (ret != 0) {
- + if (dma_base)
- + iounmap(dma_base);
- + if (dma_res && have_dma_region)
- + release_mem_region(dma_res->start,
- + resource_size(dma_res));
- + if (dmaman)
- + kfree(dmaman);
- + }
- + return ret;
- +}
- +
- +static int bcm_dmaman_remove(struct platform_device *pdev)
- +{
- + struct vc_dmaman *dmaman = platform_get_drvdata(pdev);
- +
- + platform_set_drvdata(pdev, NULL);
- + dev_dmaman_deregister(DRIVER_NAME, &pdev->dev);
- + kfree(dmaman);
- +
- + return 0;
- +}
- +
- +static struct platform_driver bcm_dmaman_driver = {
- + .probe = bcm_dmaman_probe,
- + .remove = bcm_dmaman_remove,
- +
- + .driver = {
- + .name = DRIVER_NAME,
- + .owner = THIS_MODULE,
- + },
- +};
- +
- +/*****************************************************************************\
- + * *
- + * Driver init/exit *
- + * *
- +\*****************************************************************************/
- +
- +static int __init bcm_dmaman_drv_init(void)
- +{
- + int ret;
- +
- + ret = platform_driver_register(&bcm_dmaman_driver);
- + if (ret != 0) {
- + printk(KERN_ERR DRIVER_NAME ": failed to register "
- + "on platform\n");
- + }
- +
- + return ret;
- +}
- +
- +static void __exit bcm_dmaman_drv_exit(void)
- +{
- + platform_driver_unregister(&bcm_dmaman_driver);
- +}
- +
- +module_init(bcm_dmaman_drv_init);
- +module_exit(bcm_dmaman_drv_exit);
- +
- +module_param(dmachans, int, 0644);
- +
- +MODULE_AUTHOR("Gray Girling <grayg@broadcom.com>");
- +MODULE_DESCRIPTION("DMA channel manager driver");
- +MODULE_LICENSE("GPL");
- +
- +MODULE_PARM_DESC(dmachans, "Bitmap of DMA channels available to the ARM");
- --- /dev/null
- +++ b/arch/arm/mach-bcm2708/include/mach/arm_control.h
- @@ -0,0 +1,419 @@
- +/*
- + * linux/arch/arm/mach-bcm2708/arm_control.h
- + *
- + * Copyright (C) 2010 Broadcom
- + *
- + * 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
- + */
- +
- +#ifndef __BCM2708_ARM_CONTROL_H
- +#define __BCM2708_ARM_CONTROL_H
- +
- +/*
- + * Definitions and addresses for the ARM CONTROL logic
- + * This file is manually generated.
- + */
- +
- +#define ARM_BASE 0x7E00B000
- +
- +/* Basic configuration */
- +#define ARM_CONTROL0 HW_REGISTER_RW(ARM_BASE+0x000)
- +#define ARM_C0_SIZ128M 0x00000000
- +#define ARM_C0_SIZ256M 0x00000001
- +#define ARM_C0_SIZ512M 0x00000002
- +#define ARM_C0_SIZ1G 0x00000003
- +#define ARM_C0_BRESP0 0x00000000
- +#define ARM_C0_BRESP1 0x00000004
- +#define ARM_C0_BRESP2 0x00000008
- +#define ARM_C0_BOOTHI 0x00000010
- +#define ARM_C0_UNUSED05 0x00000020 /* free */
- +#define ARM_C0_FULLPERI 0x00000040
- +#define ARM_C0_UNUSED78 0x00000180 /* free */
- +#define ARM_C0_JTAGMASK 0x00000E00
- +#define ARM_C0_JTAGOFF 0x00000000
- +#define ARM_C0_JTAGBASH 0x00000800 /* Debug on GPIO off */
- +#define ARM_C0_JTAGGPIO 0x00000C00 /* Debug on GPIO on */
- +#define ARM_C0_APROTMSK 0x0000F000
- +#define ARM_C0_DBG0SYNC 0x00010000 /* VPU0 halt sync */
- +#define ARM_C0_DBG1SYNC 0x00020000 /* VPU1 halt sync */
- +#define ARM_C0_SWDBGREQ 0x00040000 /* HW debug request */
- +#define ARM_C0_PASSHALT 0x00080000 /* ARM halt passed to debugger */
- +#define ARM_C0_PRIO_PER 0x00F00000 /* per priority mask */
- +#define ARM_C0_PRIO_L2 0x0F000000
- +#define ARM_C0_PRIO_UC 0xF0000000
- +
- +#define ARM_C0_APROTPASS 0x0000A000 /* Translate 1:1 */
- +#define ARM_C0_APROTUSER 0x00000000 /* Only user mode */
- +#define ARM_C0_APROTSYST 0x0000F000 /* Only system mode */
- +
- +
- +#define ARM_CONTROL1 HW_REGISTER_RW(ARM_BASE+0x440)
- +#define ARM_C1_TIMER 0x00000001 /* re-route timer IRQ to VC */
- +#define ARM_C1_MAIL 0x00000002 /* re-route Mail IRQ to VC */
- +#define ARM_C1_BELL0 0x00000004 /* re-route Doorbell 0 to VC */
- +#define ARM_C1_BELL1 0x00000008 /* re-route Doorbell 1 to VC */
- +#define ARM_C1_PERSON 0x00000100 /* peripherals on */
- +#define ARM_C1_REQSTOP 0x00000200 /* ASYNC bridge request stop */
- +
- +#define ARM_STATUS HW_REGISTER_RW(ARM_BASE+0x444)
- +#define ARM_S_ACKSTOP 0x80000000 /* Bridge stopped */
- +#define ARM_S_READPEND 0x000003FF /* pending reads counter */
- +#define ARM_S_WRITPEND 0x000FFC00 /* pending writes counter */
- +
- +#define ARM_ERRHALT HW_REGISTER_RW(ARM_BASE+0x448)
- +#define ARM_EH_PERIBURST 0x00000001 /* Burst write seen on peri bus */
- +#define ARM_EH_ILLADDRS1 0x00000002 /* Address bits 25-27 error */
- +#define ARM_EH_ILLADDRS2 0x00000004 /* Address bits 31-28 error */
- +#define ARM_EH_VPU0HALT 0x00000008 /* VPU0 halted & in debug mode */
- +#define ARM_EH_VPU1HALT 0x00000010 /* VPU1 halted & in debug mode */
- +#define ARM_EH_ARMHALT 0x00000020 /* ARM in halted debug mode */
- +
- +#define ARM_ID_SECURE HW_REGISTER_RW(ARM_BASE+0x00C)
- +#define ARM_ID HW_REGISTER_RW(ARM_BASE+0x44C)
- +#define ARM_IDVAL 0x364D5241
- +
- +/* Translation memory */
- +#define ARM_TRANSLATE HW_REGISTER_RW(ARM_BASE+0x100)
- +/* 32 locations: 0x100.. 0x17F */
- +/* 32 spare means we CAN go to 64 pages.... */
- +
- +
- +/* Interrupts */
- +#define ARM_IRQ_PEND0 HW_REGISTER_RW(ARM_BASE+0x200) /* Top IRQ bits */
- +#define ARM_I0_TIMER 0x00000001 /* timer IRQ */
- +#define ARM_I0_MAIL 0x00000002 /* Mail IRQ */
- +#define ARM_I0_BELL0 0x00000004 /* Doorbell 0 */
- +#define ARM_I0_BELL1 0x00000008 /* Doorbell 1 */
- +#define ARM_I0_BANK1 0x00000100 /* Bank1 IRQ */
- +#define ARM_I0_BANK2 0x00000200 /* Bank2 IRQ */
- +
- +#define ARM_IRQ_PEND1 HW_REGISTER_RW(ARM_BASE+0x204) /* All bank1 IRQ bits */
- +/* todo: all I1_interrupt sources */
- +#define ARM_IRQ_PEND2 HW_REGISTER_RW(ARM_BASE+0x208) /* All bank2 IRQ bits */
- +/* todo: all I2_interrupt sources */
- +
- +#define ARM_IRQ_FAST HW_REGISTER_RW(ARM_BASE+0x20C) /* FIQ control */
- +#define ARM_IF_INDEX 0x0000007F /* FIQ select */
- +#define ARM_IF_ENABLE 0x00000080 /* FIQ enable */
- +#define ARM_IF_VCMASK 0x0000003F /* FIQ = (index from VC source) */
- +#define ARM_IF_TIMER 0x00000040 /* FIQ = ARM timer */
- +#define ARM_IF_MAIL 0x00000041 /* FIQ = ARM Mail */
- +#define ARM_IF_BELL0 0x00000042 /* FIQ = ARM Doorbell 0 */
- +#define ARM_IF_BELL1 0x00000043 /* FIQ = ARM Doorbell 1 */
- +#define ARM_IF_VP0HALT 0x00000044 /* FIQ = VPU0 Halt seen */
- +#define ARM_IF_VP1HALT 0x00000045 /* FIQ = VPU1 Halt seen */
- +#define ARM_IF_ILLEGAL 0x00000046 /* FIQ = Illegal access seen */
- +
- +#define ARM_IRQ_ENBL1 HW_REGISTER_RW(ARM_BASE+0x210) /* Bank1 enable bits */
- +#define ARM_IRQ_ENBL2 HW_REGISTER_RW(ARM_BASE+0x214) /* Bank2 enable bits */
- +#define ARM_IRQ_ENBL3 HW_REGISTER_RW(ARM_BASE+0x218) /* ARM irqs enable bits */
- +#define ARM_IRQ_DIBL1 HW_REGISTER_RW(ARM_BASE+0x21C) /* Bank1 disable bits */
- +#define ARM_IRQ_DIBL2 HW_REGISTER_RW(ARM_BASE+0x220) /* Bank2 disable bits */
- +#define ARM_IRQ_DIBL3 HW_REGISTER_RW(ARM_BASE+0x224) /* ARM irqs disable bits */
- +#define ARM_IE_TIMER 0x00000001 /* Timer IRQ */
- +#define ARM_IE_MAIL 0x00000002 /* Mail IRQ */
- +#define ARM_IE_BELL0 0x00000004 /* Doorbell 0 */
- +#define ARM_IE_BELL1 0x00000008 /* Doorbell 1 */
- +#define ARM_IE_VP0HALT 0x00000010 /* VPU0 Halt */
- +#define ARM_IE_VP1HALT 0x00000020 /* VPU1 Halt */
- +#define ARM_IE_ILLEGAL 0x00000040 /* Illegal access seen */
- +
- +/* Timer */
- +/* For reg. fields see sp804 spec. */
- +#define ARM_T_LOAD HW_REGISTER_RW(ARM_BASE+0x400)
- +#define ARM_T_VALUE HW_REGISTER_RW(ARM_BASE+0x404)
- +#define ARM_T_CONTROL HW_REGISTER_RW(ARM_BASE+0x408)
- +#define ARM_T_IRQCNTL HW_REGISTER_RW(ARM_BASE+0x40C)
- +#define ARM_T_RAWIRQ HW_REGISTER_RW(ARM_BASE+0x410)
- +#define ARM_T_MSKIRQ HW_REGISTER_RW(ARM_BASE+0x414)
- +#define ARM_T_RELOAD HW_REGISTER_RW(ARM_BASE+0x418)
- +#define ARM_T_PREDIV HW_REGISTER_RW(ARM_BASE+0x41c)
- +#define ARM_T_FREECNT HW_REGISTER_RW(ARM_BASE+0x420)
- +
- +#define TIMER_CTRL_ONESHOT (1 << 0)
- +#define TIMER_CTRL_32BIT (1 << 1)
- +#define TIMER_CTRL_DIV1 (0 << 2)
- +#define TIMER_CTRL_DIV16 (1 << 2)
- +#define TIMER_CTRL_DIV256 (2 << 2)
- +#define TIMER_CTRL_IE (1 << 5)
- +#define TIMER_CTRL_PERIODIC (1 << 6)
- +#define TIMER_CTRL_ENABLE (1 << 7)
- +#define TIMER_CTRL_DBGHALT (1 << 8)
- +#define TIMER_CTRL_ENAFREE (1 << 9)
- +#define TIMER_CTRL_FREEDIV_SHIFT 16)
- +#define TIMER_CTRL_FREEDIV_MASK 0xff
- +
- +/* Semaphores, Doorbells, Mailboxes */
- +#define ARM_SBM_OWN0 (ARM_BASE+0x800)
- +#define ARM_SBM_OWN1 (ARM_BASE+0x900)
- +#define ARM_SBM_OWN2 (ARM_BASE+0xA00)
- +#define ARM_SBM_OWN3 (ARM_BASE+0xB00)
- +
- +/* MAILBOXES
- + * Register flags are common across all
- + * owner registers. See end of this section
- + *
- + * Semaphores, Doorbells, Mailboxes Owner 0
- + *
- + */
- +
- +#define ARM_0_SEMS HW_REGISTER_RW(ARM_SBM_OWN0+0x00)
- +#define ARM_0_SEM0 HW_REGISTER_RW(ARM_SBM_OWN0+0x00)
- +#define ARM_0_SEM1 HW_REGISTER_RW(ARM_SBM_OWN0+0x04)
- +#define ARM_0_SEM2 HW_REGISTER_RW(ARM_SBM_OWN0+0x08)
- +#define ARM_0_SEM3 HW_REGISTER_RW(ARM_SBM_OWN0+0x0C)
- +#define ARM_0_SEM4 HW_REGISTER_RW(ARM_SBM_OWN0+0x10)
- +#define ARM_0_SEM5 HW_REGISTER_RW(ARM_SBM_OWN0+0x14)
- +#define ARM_0_SEM6 HW_REGISTER_RW(ARM_SBM_OWN0+0x18)
- +#define ARM_0_SEM7 HW_REGISTER_RW(ARM_SBM_OWN0+0x1C)
- +#define ARM_0_BELL0 HW_REGISTER_RW(ARM_SBM_OWN0+0x40)
- +#define ARM_0_BELL1 HW_REGISTER_RW(ARM_SBM_OWN0+0x44)
- +#define ARM_0_BELL2 HW_REGISTER_RW(ARM_SBM_OWN0+0x48)
- +#define ARM_0_BELL3 HW_REGISTER_RW(ARM_SBM_OWN0+0x4C)
- +/* MAILBOX 0 access in Owner 0 area */
- +/* Some addresses should ONLY be used by owner 0 */
- +#define ARM_0_MAIL0_WRT HW_REGISTER_RW(ARM_SBM_OWN0+0x80) /* .. 0x8C (4 locations) */
- +#define ARM_0_MAIL0_RD HW_REGISTER_RW(ARM_SBM_OWN0+0x80) /* .. 0x8C (4 locations) Normal read */
- +#define ARM_0_MAIL0_POL HW_REGISTER_RW(ARM_SBM_OWN0+0x90) /* none-pop read */
- +#define ARM_0_MAIL0_SND HW_REGISTER_RW(ARM_SBM_OWN0+0x94) /* Sender read (only LS 2 bits) */
- +#define ARM_0_MAIL0_STA HW_REGISTER_RW(ARM_SBM_OWN0+0x98) /* Status read */
- +#define ARM_0_MAIL0_CNF HW_REGISTER_RW(ARM_SBM_OWN0+0x9C) /* Config read/write */
- +/* MAILBOX 1 access in Owner 0 area */
- +/* Owner 0 should only WRITE to this mailbox */
- +#define ARM_0_MAIL1_WRT HW_REGISTER_RW(ARM_SBM_OWN0+0xA0) /* .. 0xAC (4 locations) */
- +/*#define ARM_0_MAIL1_RD HW_REGISTER_RW(ARM_SBM_OWN0+0xA0) */ /* DO NOT USE THIS !!!!! */
- +/*#define ARM_0_MAIL1_POL HW_REGISTER_RW(ARM_SBM_OWN0+0xB0) */ /* DO NOT USE THIS !!!!! */
- +/*#define ARM_0_MAIL1_SND HW_REGISTER_RW(ARM_SBM_OWN0+0xB4) */ /* DO NOT USE THIS !!!!! */
- +#define ARM_0_MAIL1_STA HW_REGISTER_RW(ARM_SBM_OWN0+0xB8) /* Status read */
- +/*#define ARM_0_MAIL1_CNF HW_REGISTER_RW(ARM_SBM_OWN0+0xBC) */ /* DO NOT USE THIS !!!!! */
- +/* General SEM, BELL, MAIL config/status */
- +#define ARM_0_SEMCLRDBG HW_REGISTER_RW(ARM_SBM_OWN0+0xE0) /* semaphore clear/debug register */
- +#define ARM_0_BELLCLRDBG HW_REGISTER_RW(ARM_SBM_OWN0+0xE4) /* Doorbells clear/debug register */
- +#define ARM_0_ALL_IRQS HW_REGISTER_RW(ARM_SBM_OWN0+0xF8) /* ALL interrupts */
- +#define ARM_0_MY_IRQS HW_REGISTER_RW(ARM_SBM_OWN0+0xFC) /* IRQS pending for owner 0 */
- +
- +/* Semaphores, Doorbells, Mailboxes Owner 1 */
- +#define ARM_1_SEMS HW_REGISTER_RW(ARM_SBM_OWN1+0x00)
- +#define ARM_1_SEM0 HW_REGISTER_RW(ARM_SBM_OWN1+0x00)
- +#define ARM_1_SEM1 HW_REGISTER_RW(ARM_SBM_OWN1+0x04)
- +#define ARM_1_SEM2 HW_REGISTER_RW(ARM_SBM_OWN1+0x08)
- +#define ARM_1_SEM3 HW_REGISTER_RW(ARM_SBM_OWN1+0x0C)
- +#define ARM_1_SEM4 HW_REGISTER_RW(ARM_SBM_OWN1+0x10)
- +#define ARM_1_SEM5 HW_REGISTER_RW(ARM_SBM_OWN1+0x14)
- +#define ARM_1_SEM6 HW_REGISTER_RW(ARM_SBM_OWN1+0x18)
- +#define ARM_1_SEM7 HW_REGISTER_RW(ARM_SBM_OWN1+0x1C)
- +#define ARM_1_BELL0 HW_REGISTER_RW(ARM_SBM_OWN1+0x40)
- +#define ARM_1_BELL1 HW_REGISTER_RW(ARM_SBM_OWN1+0x44)
- +#define ARM_1_BELL2 HW_REGISTER_RW(ARM_SBM_OWN1+0x48)
- +#define ARM_1_BELL3 HW_REGISTER_RW(ARM_SBM_OWN1+0x4C)
- +/* MAILBOX 0 access in Owner 0 area */
- +/* Owner 1 should only WRITE to this mailbox */
- +#define ARM_1_MAIL0_WRT HW_REGISTER_RW(ARM_SBM_OWN1+0x80) /* .. 0x8C (4 locations) */
- +/*#define ARM_1_MAIL0_RD HW_REGISTER_RW(ARM_SBM_OWN1+0x80) */ /* DO NOT USE THIS !!!!! */
- +/*#define ARM_1_MAIL0_POL HW_REGISTER_RW(ARM_SBM_OWN1+0x90) */ /* DO NOT USE THIS !!!!! */
- +/*#define ARM_1_MAIL0_SND HW_REGISTER_RW(ARM_SBM_OWN1+0x94) */ /* DO NOT USE THIS !!!!! */
- +#define ARM_1_MAIL0_STA HW_REGISTER_RW(ARM_SBM_OWN1+0x98) /* Status read */
- +/*#define ARM_1_MAIL0_CNF HW_REGISTER_RW(ARM_SBM_OWN1+0x9C) */ /* DO NOT USE THIS !!!!! */
- +/* MAILBOX 1 access in Owner 0 area */
- +#define ARM_1_MAIL1_WRT HW_REGISTER_RW(ARM_SBM_OWN1+0xA0) /* .. 0xAC (4 locations) */
- +#define ARM_1_MAIL1_RD HW_REGISTER_RW(ARM_SBM_OWN1+0xA0) /* .. 0xAC (4 locations) Normal read */
- +#define ARM_1_MAIL1_POL HW_REGISTER_RW(ARM_SBM_OWN1+0xB0) /* none-pop read */
- +#define ARM_1_MAIL1_SND HW_REGISTER_RW(ARM_SBM_OWN1+0xB4) /* Sender read (only LS 2 bits) */
- +#define ARM_1_MAIL1_STA HW_REGISTER_RW(ARM_SBM_OWN1+0xB8) /* Status read */
- +#define ARM_1_MAIL1_CNF HW_REGISTER_RW(ARM_SBM_OWN1+0xBC)
- +/* General SEM, BELL, MAIL config/status */
- +#define ARM_1_SEMCLRDBG HW_REGISTER_RW(ARM_SBM_OWN1+0xE0) /* semaphore clear/debug register */
- +#define ARM_1_BELLCLRDBG HW_REGISTER_RW(ARM_SBM_OWN1+0xE4) /* Doorbells clear/debug register */
- +#define ARM_1_MY_IRQS HW_REGISTER_RW(ARM_SBM_OWN1+0xFC) /* IRQS pending for owner 1 */
- +#define ARM_1_ALL_IRQS HW_REGISTER_RW(ARM_SBM_OWN1+0xF8) /* ALL interrupts */
- +
- +/* Semaphores, Doorbells, Mailboxes Owner 2 */
- +#define ARM_2_SEMS HW_REGISTER_RW(ARM_SBM_OWN2+0x00)
- +#define ARM_2_SEM0 HW_REGISTER_RW(ARM_SBM_OWN2+0x00)
- +#define ARM_2_SEM1 HW_REGISTER_RW(ARM_SBM_OWN2+0x04)
- +#define ARM_2_SEM2 HW_REGISTER_RW(ARM_SBM_OWN2+0x08)
- +#define ARM_2_SEM3 HW_REGISTER_RW(ARM_SBM_OWN2+0x0C)
- +#define ARM_2_SEM4 HW_REGISTER_RW(ARM_SBM_OWN2+0x10)
- +#define ARM_2_SEM5 HW_REGISTER_RW(ARM_SBM_OWN2+0x14)
- +#define ARM_2_SEM6 HW_REGISTER_RW(ARM_SBM_OWN2+0x18)
- +#define ARM_2_SEM7 HW_REGISTER_RW(ARM_SBM_OWN2+0x1C)
- +#define ARM_2_BELL0 HW_REGISTER_RW(ARM_SBM_OWN2+0x40)
- +#define ARM_2_BELL1 HW_REGISTER_RW(ARM_SBM_OWN2+0x44)
- +#define ARM_2_BELL2 HW_REGISTER_RW(ARM_SBM_OWN2+0x48)
- +#define ARM_2_BELL3 HW_REGISTER_RW(ARM_SBM_OWN2+0x4C)
- +/* MAILBOX 0 access in Owner 2 area */
- +/* Owner 2 should only WRITE to this mailbox */
- +#define ARM_2_MAIL0_WRT HW_REGISTER_RW(ARM_SBM_OWN2+0x80) /* .. 0x8C (4 locations) */
- +/*#define ARM_2_MAIL0_RD HW_REGISTER_RW(ARM_SBM_OWN2+0x80) */ /* DO NOT USE THIS !!!!! */
- +/*#define ARM_2_MAIL0_POL HW_REGISTER_RW(ARM_SBM_OWN2+0x90) */ /* DO NOT USE THIS !!!!! */
- +/*#define ARM_2_MAIL0_SND HW_REGISTER_RW(ARM_SBM_OWN2+0x94) */ /* DO NOT USE THIS !!!!! */
- +#define ARM_2_MAIL0_STA HW_REGISTER_RW(ARM_SBM_OWN2+0x98) /* Status read */
- +/*#define ARM_2_MAIL0_CNF HW_REGISTER_RW(ARM_SBM_OWN2+0x9C) */ /* DO NOT USE THIS !!!!! */
- +/* MAILBOX 1 access in Owner 2 area */
- +/* Owner 2 should only WRITE to this mailbox */
- +#define ARM_2_MAIL1_WRT HW_REGISTER_RW(ARM_SBM_OWN2+0xA0) /* .. 0xAC (4 locations) */
- +/*#define ARM_2_MAIL1_RD HW_REGISTER_RW(ARM_SBM_OWN2+0xA0) */ /* DO NOT USE THIS !!!!! */
- +/*#define ARM_2_MAIL1_POL HW_REGISTER_RW(ARM_SBM_OWN2+0xB0) */ /* DO NOT USE THIS !!!!! */
- +/*#define ARM_2_MAIL1_SND HW_REGISTER_RW(ARM_SBM_OWN2+0xB4) */ /* DO NOT USE THIS !!!!! */
- +#define ARM_2_MAIL1_STA HW_REGISTER_RW(ARM_SBM_OWN2+0xB8) /* Status read */
- +/*#define ARM_2_MAIL1_CNF HW_REGISTER_RW(ARM_SBM_OWN2+0xBC) */ /* DO NOT USE THIS !!!!! */
- +/* General SEM, BELL, MAIL config/status */
- +#define ARM_2_SEMCLRDBG HW_REGISTER_RW(ARM_SBM_OWN2+0xE0) /* semaphore clear/debug register */
- +#define ARM_2_BELLCLRDBG HW_REGISTER_RW(ARM_SBM_OWN2+0xE4) /* Doorbells clear/debug register */
- +#define ARM_2_MY_IRQS HW_REGISTER_RW(ARM_SBM_OWN2+0xFC) /* IRQS pending for owner 2 */
- +#define ARM_2_ALL_IRQS HW_REGISTER_RW(ARM_SBM_OWN2+0xF8) /* ALL interrupts */
- +
- +/* Semaphores, Doorbells, Mailboxes Owner 3 */
- +#define ARM_3_SEMS HW_REGISTER_RW(ARM_SBM_OWN3+0x00)
- +#define ARM_3_SEM0 HW_REGISTER_RW(ARM_SBM_OWN3+0x00)
- +#define ARM_3_SEM1 HW_REGISTER_RW(ARM_SBM_OWN3+0x04)
- +#define ARM_3_SEM2 HW_REGISTER_RW(ARM_SBM_OWN3+0x08)
- +#define ARM_3_SEM3 HW_REGISTER_RW(ARM_SBM_OWN3+0x0C)
- +#define ARM_3_SEM4 HW_REGISTER_RW(ARM_SBM_OWN3+0x10)
- +#define ARM_3_SEM5 HW_REGISTER_RW(ARM_SBM_OWN3+0x14)
- +#define ARM_3_SEM6 HW_REGISTER_RW(ARM_SBM_OWN3+0x18)
- +#define ARM_3_SEM7 HW_REGISTER_RW(ARM_SBM_OWN3+0x1C)
- +#define ARM_3_BELL0 HW_REGISTER_RW(ARM_SBM_OWN3+0x40)
- +#define ARM_3_BELL1 HW_REGISTER_RW(ARM_SBM_OWN3+0x44)
- +#define ARM_3_BELL2 HW_REGISTER_RW(ARM_SBM_OWN3+0x48)
- +#define ARM_3_BELL3 HW_REGISTER_RW(ARM_SBM_OWN3+0x4C)
- +/* MAILBOX 0 access in Owner 3 area */
- +/* Owner 3 should only WRITE to this mailbox */
- +#define ARM_3_MAIL0_WRT HW_REGISTER_RW(ARM_SBM_OWN3+0x80) /* .. 0x8C (4 locations) */
- +/*#define ARM_3_MAIL0_RD HW_REGISTER_RW(ARM_SBM_OWN3+0x80) */ /* DO NOT USE THIS !!!!! */
- +/*#define ARM_3_MAIL0_POL HW_REGISTER_RW(ARM_SBM_OWN3+0x90) */ /* DO NOT USE THIS !!!!! */
- +/*#define ARM_3_MAIL0_SND HW_REGISTER_RW(ARM_SBM_OWN3+0x94) */ /* DO NOT USE THIS !!!!! */
- +#define ARM_3_MAIL0_STA HW_REGISTER_RW(ARM_SBM_OWN3+0x98) /* Status read */
- +/*#define ARM_3_MAIL0_CNF HW_REGISTER_RW(ARM_SBM_OWN3+0x9C) */ /* DO NOT USE THIS !!!!! */
- +/* MAILBOX 1 access in Owner 3 area */
- +/* Owner 3 should only WRITE to this mailbox */
- +#define ARM_3_MAIL1_WRT HW_REGISTER_RW(ARM_SBM_OWN3+0xA0) /* .. 0xAC (4 locations) */
- +/*#define ARM_3_MAIL1_RD HW_REGISTER_RW(ARM_SBM_OWN3+0xA0) */ /* DO NOT USE THIS !!!!! */
- +/*#define ARM_3_MAIL1_POL HW_REGISTER_RW(ARM_SBM_OWN3+0xB0) */ /* DO NOT USE THIS !!!!! */
- +/*#define ARM_3_MAIL1_SND HW_REGISTER_RW(ARM_SBM_OWN3+0xB4) */ /* DO NOT USE THIS !!!!! */
- +#define ARM_3_MAIL1_STA HW_REGISTER_RW(ARM_SBM_OWN3+0xB8) /* Status read */
- +/*#define ARM_3_MAIL1_CNF HW_REGISTER_RW(ARM_SBM_OWN3+0xBC) */ /* DO NOT USE THIS !!!!! */
- +/* General SEM, BELL, MAIL config/status */
- +#define ARM_3_SEMCLRDBG HW_REGISTER_RW(ARM_SBM_OWN3+0xE0) /* semaphore clear/debug register */
- +#define ARM_3_BELLCLRDBG HW_REGISTER_RW(ARM_SBM_OWN3+0xE4) /* Doorbells clear/debug register */
- +#define ARM_3_MY_IRQS HW_REGISTER_RW(ARM_SBM_OWN3+0xFC) /* IRQS pending for owner 3 */
- +#define ARM_3_ALL_IRQS HW_REGISTER_RW(ARM_SBM_OWN3+0xF8) /* ALL interrupts */
- +
- +
- +
- +/* Mailbox flags. Valid for all owners */
- +
- +/* Mailbox status register (...0x98) */
- +#define ARM_MS_FULL 0x80000000
- +#define ARM_MS_EMPTY 0x40000000
- +#define ARM_MS_LEVEL 0x400000FF /* Max. value depdnds on mailbox depth parameter */
- +
- +/* MAILBOX config/status register (...0x9C) */
- +/* ANY write to this register clears the error bits! */
- +#define ARM_MC_IHAVEDATAIRQEN 0x00000001 /* mailbox irq enable: has data */
- +#define ARM_MC_IHAVESPACEIRQEN 0x00000002 /* mailbox irq enable: has space */
- +#define ARM_MC_OPPISEMPTYIRQEN 0x00000004 /* mailbox irq enable: Opp. is empty */
- +#define ARM_MC_MAIL_CLEAR 0x00000008 /* mailbox clear write 1, then 0 */
- +#define ARM_MC_IHAVEDATAIRQPEND 0x00000010 /* mailbox irq pending: has space */
- +#define ARM_MC_IHAVESPACEIRQPEND 0x00000020 /* mailbox irq pending: Opp. is empty */
- +#define ARM_MC_OPPISEMPTYIRQPEND 0x00000040 /* mailbox irq pending */
- +/* Bit 7 is unused */
- +#define ARM_MC_ERRNOOWN 0x00000100 /* error : none owner read from mailbox */
- +#define ARM_MC_ERROVERFLW 0x00000200 /* error : write to fill mailbox */
- +#define ARM_MC_ERRUNDRFLW 0x00000400 /* error : read from empty mailbox */
- +
- +/* Semaphore clear/debug register (...0xE0) */
- +#define ARM_SD_OWN0 0x00000003 /* Owner of sem 0 */
- +#define ARM_SD_OWN1 0x0000000C /* Owner of sem 1 */
- +#define ARM_SD_OWN2 0x00000030 /* Owner of sem 2 */
- +#define ARM_SD_OWN3 0x000000C0 /* Owner of sem 3 */
- +#define ARM_SD_OWN4 0x00000300 /* Owner of sem 4 */
- +#define ARM_SD_OWN5 0x00000C00 /* Owner of sem 5 */
- +#define ARM_SD_OWN6 0x00003000 /* Owner of sem 6 */
- +#define ARM_SD_OWN7 0x0000C000 /* Owner of sem 7 */
- +#define ARM_SD_SEM0 0x00010000 /* Status of sem 0 */
- +#define ARM_SD_SEM1 0x00020000 /* Status of sem 1 */
- +#define ARM_SD_SEM2 0x00040000 /* Status of sem 2 */
- +#define ARM_SD_SEM3 0x00080000 /* Status of sem 3 */
- +#define ARM_SD_SEM4 0x00100000 /* Status of sem 4 */
- +#define ARM_SD_SEM5 0x00200000 /* Status of sem 5 */
- +#define ARM_SD_SEM6 0x00400000 /* Status of sem 6 */
- +#define ARM_SD_SEM7 0x00800000 /* Status of sem 7 */
- +
- +/* Doorbells clear/debug register (...0xE4) */
- +#define ARM_BD_OWN0 0x00000003 /* Owner of doorbell 0 */
- +#define ARM_BD_OWN1 0x0000000C /* Owner of doorbell 1 */
- +#define ARM_BD_OWN2 0x00000030 /* Owner of doorbell 2 */
- +#define ARM_BD_OWN3 0x000000C0 /* Owner of doorbell 3 */
- +#define ARM_BD_BELL0 0x00000100 /* Status of doorbell 0 */
- +#define ARM_BD_BELL1 0x00000200 /* Status of doorbell 1 */
- +#define ARM_BD_BELL2 0x00000400 /* Status of doorbell 2 */
- +#define ARM_BD_BELL3 0x00000800 /* Status of doorbell 3 */
- +
- +/* MY IRQS register (...0xF8) */
- +#define ARM_MYIRQ_BELL 0x00000001 /* This owner has a doorbell IRQ */
- +#define ARM_MYIRQ_MAIL 0x00000002 /* This owner has a mailbox IRQ */
- +
- +/* ALL IRQS register (...0xF8) */
- +#define ARM_AIS_BELL0 0x00000001 /* Doorbell 0 IRQ pending */
- +#define ARM_AIS_BELL1 0x00000002 /* Doorbell 1 IRQ pending */
- +#define ARM_AIS_BELL2 0x00000004 /* Doorbell 2 IRQ pending */
- +#define ARM_AIS_BELL3 0x00000008 /* Doorbell 3 IRQ pending */
- +#define ARM_AIS0_HAVEDATA 0x00000010 /* MAIL 0 has data IRQ pending */
- +#define ARM_AIS0_HAVESPAC 0x00000020 /* MAIL 0 has space IRQ pending */
- +#define ARM_AIS0_OPPEMPTY 0x00000040 /* MAIL 0 opposite is empty IRQ */
- +#define ARM_AIS1_HAVEDATA 0x00000080 /* MAIL 1 has data IRQ pending */
- +#define ARM_AIS1_HAVESPAC 0x00000100 /* MAIL 1 has space IRQ pending */
- +#define ARM_AIS1_OPPEMPTY 0x00000200 /* MAIL 1 opposite is empty IRQ */
- +/* Note that bell-0, bell-1 and MAIL0 IRQ go only to the ARM */
- +/* Whilst that bell-2, bell-3 and MAIL1 IRQ go only to the VC */
- +/* */
- +/* ARM JTAG BASH */
- +/* */
- +#define AJB_BASE 0x7e2000c0
- +
- +#define AJBCONF HW_REGISTER_RW(AJB_BASE+0x00)
- +#define AJB_BITS0 0x000000
- +#define AJB_BITS4 0x000004
- +#define AJB_BITS8 0x000008
- +#define AJB_BITS12 0x00000C
- +#define AJB_BITS16 0x000010
- +#define AJB_BITS20 0x000014
- +#define AJB_BITS24 0x000018
- +#define AJB_BITS28 0x00001C
- +#define AJB_BITS32 0x000020
- +#define AJB_BITS34 0x000022
- +#define AJB_OUT_MS 0x000040
- +#define AJB_OUT_LS 0x000000
- +#define AJB_INV_CLK 0x000080
- +#define AJB_D0_RISE 0x000100
- +#define AJB_D0_FALL 0x000000
- +#define AJB_D1_RISE 0x000200
- +#define AJB_D1_FALL 0x000000
- +#define AJB_IN_RISE 0x000400
- +#define AJB_IN_FALL 0x000000
- +#define AJB_ENABLE 0x000800
- +#define AJB_HOLD0 0x000000
- +#define AJB_HOLD1 0x001000
- +#define AJB_HOLD2 0x002000
- +#define AJB_HOLD3 0x003000
- +#define AJB_RESETN 0x004000
- +#define AJB_CLKSHFT 16
- +#define AJB_BUSY 0x80000000
- +#define AJBTMS HW_REGISTER_RW(AJB_BASE+0x04)
- +#define AJBTDI HW_REGISTER_RW(AJB_BASE+0x08)
- +#define AJBTDO HW_REGISTER_RW(AJB_BASE+0x0c)
- +
- +#endif
- --- /dev/null
- +++ b/arch/arm/mach-bcm2708/include/mach/arm_power.h
- @@ -0,0 +1,62 @@
- +/*
- + * linux/arch/arm/mach-bcm2708/include/mach/arm_power.h
- + *
- + * Copyright (C) 2010 Broadcom
- + *
- + * 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
- + */
- +
- +#ifndef _ARM_POWER_H
- +#define _ARM_POWER_H
- +
- +/* Use meaningful names on each side */
- +#ifdef __VIDEOCORE__
- +#define PREFIX(x) ARM_##x
- +#else
- +#define PREFIX(x) BCM_##x
- +#endif
- +
- +enum {
- + PREFIX(POWER_SDCARD_BIT),
- + PREFIX(POWER_UART_BIT),
- + PREFIX(POWER_MINIUART_BIT),
- + PREFIX(POWER_USB_BIT),
- + PREFIX(POWER_I2C0_BIT),
- + PREFIX(POWER_I2C1_BIT),
- + PREFIX(POWER_I2C2_BIT),
- + PREFIX(POWER_SPI_BIT),
- + PREFIX(POWER_CCP2TX_BIT),
- + PREFIX(POWER_DSI_BIT),
- +
- + PREFIX(POWER_MAX)
- +};
- +
- +enum {
- + PREFIX(POWER_SDCARD) = (1 << PREFIX(POWER_SDCARD_BIT)),
- + PREFIX(POWER_UART) = (1 << PREFIX(POWER_UART_BIT)),
- + PREFIX(POWER_MINIUART) = (1 << PREFIX(POWER_MINIUART_BIT)),
- + PREFIX(POWER_USB) = (1 << PREFIX(POWER_USB_BIT)),
- + PREFIX(POWER_I2C0) = (1 << PREFIX(POWER_I2C0_BIT)),
- + PREFIX(POWER_I2C1_MASK) = (1 << PREFIX(POWER_I2C1_BIT)),
- + PREFIX(POWER_I2C2_MASK) = (1 << PREFIX(POWER_I2C2_BIT)),
- + PREFIX(POWER_SPI_MASK) = (1 << PREFIX(POWER_SPI_BIT)),
- + PREFIX(POWER_CCP2TX_MASK) = (1 << PREFIX(POWER_CCP2TX_BIT)),
- + PREFIX(POWER_DSI) = (1 << PREFIX(POWER_DSI_BIT)),
- +
- + PREFIX(POWER_MASK) = (1 << PREFIX(POWER_MAX)) - 1,
- + PREFIX(POWER_NONE) = 0
- +};
- +
- +#endif
- --- /dev/null
- +++ b/arch/arm/mach-bcm2708/include/mach/clkdev.h
- @@ -0,0 +1,7 @@
- +#ifndef __ASM_MACH_CLKDEV_H
- +#define __ASM_MACH_CLKDEV_H
- +
- +#define __clk_get(clk) ({ 1; })
- +#define __clk_put(clk) do { } while (0)
- +
- +#endif
- --- /dev/null
- +++ b/arch/arm/mach-bcm2708/include/mach/debug-macro.S
- @@ -0,0 +1,22 @@
- +/* arch/arm/mach-bcm2708/include/mach/debug-macro.S
- + *
- + * Debugging macro include header
- + *
- + * Copyright (C) 2010 Broadcom
- + * Copyright (C) 1994-1999 Russell King
- + * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
- + *
- + * 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.
- + *
- +*/
- +
- +#include <mach/platform.h>
- +
- + .macro addruart, rp, rv, tmp
- + ldr \rp, =UART0_BASE
- + ldr \rv, =IO_ADDRESS(UART0_BASE)
- + .endm
- +
- +#include <debug/pl01x.S>
- --- /dev/null
- +++ b/arch/arm/mach-bcm2708/include/mach/dma.h
- @@ -0,0 +1,88 @@
- +/*
- + * linux/arch/arm/mach-bcm2708/include/mach/dma.h
- + *
- + * Copyright (C) 2010 Broadcom
- + *
- + * 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_BCM2708_DMA_H
- +#define _MACH_BCM2708_DMA_H
- +
- +#define BCM_DMAMAN_DRIVER_NAME "bcm2708_dma"
- +
- +/* DMA CS Control and Status bits */
- +#define BCM2708_DMA_ACTIVE (1 << 0)
- +#define BCM2708_DMA_INT (1 << 2)
- +#define BCM2708_DMA_ISPAUSED (1 << 4) /* Pause requested or not active */
- +#define BCM2708_DMA_ISHELD (1 << 5) /* Is held by DREQ flow control */
- +#define BCM2708_DMA_ERR (1 << 8)
- +#define BCM2708_DMA_ABORT (1 << 30) /* stop current CB, go to next, WO */
- +#define BCM2708_DMA_RESET (1 << 31) /* WO, self clearing */
- +
- +/* DMA control block "info" field bits */
- +#define BCM2708_DMA_INT_EN (1 << 0)
- +#define BCM2708_DMA_TDMODE (1 << 1)
- +#define BCM2708_DMA_WAIT_RESP (1 << 3)
- +#define BCM2708_DMA_D_INC (1 << 4)
- +#define BCM2708_DMA_D_WIDTH (1 << 5)
- +#define BCM2708_DMA_D_DREQ (1 << 6)
- +#define BCM2708_DMA_S_INC (1 << 8)
- +#define BCM2708_DMA_S_WIDTH (1 << 9)
- +#define BCM2708_DMA_S_DREQ (1 << 10)
- +
- +#define BCM2708_DMA_BURST(x) (((x)&0xf) << 12)
- +#define BCM2708_DMA_PER_MAP(x) ((x) << 16)
- +#define BCM2708_DMA_WAITS(x) (((x)&0x1f) << 21)
- +
- +#define BCM2708_DMA_DREQ_EMMC 11
- +#define BCM2708_DMA_DREQ_SDHOST 13
- +
- +#define BCM2708_DMA_CS 0x00 /* Control and Status */
- +#define BCM2708_DMA_ADDR 0x04
- +/* the current control block appears in the following registers - read only */
- +#define BCM2708_DMA_INFO 0x08
- +#define BCM2708_DMA_SOURCE_AD 0x0c
- +#define BCM2708_DMA_DEST_AD 0x10
- +#define BCM2708_DMA_NEXTCB 0x1C
- +#define BCM2708_DMA_DEBUG 0x20
- +
- +#define BCM2708_DMA4_CS (BCM2708_DMA_CHAN(4)+BCM2708_DMA_CS)
- +#define BCM2708_DMA4_ADDR (BCM2708_DMA_CHAN(4)+BCM2708_DMA_ADDR)
- +
- +#define BCM2708_DMA_TDMODE_LEN(w, h) ((h) << 16 | (w))
- +
- +struct bcm2708_dma_cb {
- + unsigned long info;
- + unsigned long src;
- + unsigned long dst;
- + unsigned long length;
- + unsigned long stride;
- + unsigned long next;
- + unsigned long pad[2];
- +};
- +
- +extern int bcm_sg_suitable_for_dma(struct scatterlist *sg_ptr, int sg_len);
- +extern void bcm_dma_start(void __iomem *dma_chan_base,
- + dma_addr_t control_block);
- +extern void bcm_dma_wait_idle(void __iomem *dma_chan_base);
- +extern int /*rc*/ bcm_dma_abort(void __iomem *dma_chan_base);
- +
- +/* When listing features we can ask for when allocating DMA channels give
- + those with higher priority smaller ordinal numbers */
- +#define BCM_DMA_FEATURE_FAST_ORD 0
- +#define BCM_DMA_FEATURE_BULK_ORD 1
- +#define BCM_DMA_FEATURE_FAST (1<<BCM_DMA_FEATURE_FAST_ORD)
- +#define BCM_DMA_FEATURE_BULK (1<<BCM_DMA_FEATURE_BULK_ORD)
- +#define BCM_DMA_FEATURE_COUNT 2
- +
- +/* return channel no or -ve error */
- +extern int bcm_dma_chan_alloc(unsigned preferred_feature_set,
- + void __iomem **out_dma_base, int *out_dma_irq);
- +extern int bcm_dma_chan_free(int channel);
- +
- +
- +#endif /* _MACH_BCM2708_DMA_H */
- --- /dev/null
- +++ b/arch/arm/mach-bcm2708/include/mach/entry-macro.S
- @@ -0,0 +1,69 @@
- +/*
- + * arch/arm/mach-bcm2708/include/mach/entry-macro.S
- + *
- + * Low-level IRQ helper macros for BCM2708 platforms
- + *
- + * Copyright (C) 2010 Broadcom
- + *
- + * This program is free software; you can redistribute it and/or modify
- + * it under the terms of the GNU General Public License as published by
- + * the Free Software Foundation; either version 2 of the License, or
- + * (at your option) any later version.
- + *
- + * This program is distributed in the hope that it will be useful,
- + * but WITHOUT ANY WARRANTY; without even the implied warranty of
- + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- + * GNU General Public License for more details.
- + *
- + * You should have received a copy of the GNU General Public License
- + * along with this program; if not, write to the Free Software
- + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- + */
- +#include <mach/hardware.h>
- +
- + .macro disable_fiq
- + .endm
- +
- + .macro get_irqnr_preamble, base, tmp
- + ldr \base, =IO_ADDRESS(ARMCTRL_IC_BASE)
- + .endm
- +
- + .macro arch_ret_to_user, tmp1, tmp2
- + .endm
- +
- + .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
- + /* get masked status */
- + ldr \irqstat, [\base, #(ARM_IRQ_PEND0 - ARMCTRL_IC_BASE)]
- + mov \irqnr, #(ARM_IRQ0_BASE + 31)
- + and \tmp, \irqstat, #0x300 @ save bits 8 and 9
- + /* clear bits 8 and 9, and test */
- + bics \irqstat, \irqstat, #0x300
- + bne 1010f
- +
- + tst \tmp, #0x100
- + ldrne \irqstat, [\base, #(ARM_IRQ_PEND1 - ARMCTRL_IC_BASE)]
- + movne \irqnr, #(ARM_IRQ1_BASE + 31)
- + @ Mask out the interrupts also present in PEND0 - see SW-5809
- + bicne \irqstat, #((1<<7) | (1<<9) | (1<<10))
- + bicne \irqstat, #((1<<18) | (1<<19))
- + bne 1010f
- +
- + tst \tmp, #0x200
- + ldrne \irqstat, [\base, #(ARM_IRQ_PEND2 - ARMCTRL_IC_BASE)]
- + movne \irqnr, #(ARM_IRQ2_BASE + 31)
- + @ Mask out the interrupts also present in PEND0 - see SW-5809
- + bicne \irqstat, #((1<<21) | (1<<22) | (1<<23) | (1<<24) | (1<<25))
- + bicne \irqstat, #((1<<30))
- + beq 1020f
- +
- +1010:
- + @ For non-zero x, LSB(x) = 31 - CLZ(x^(x-1))
- + @ N.B. CLZ is an ARM5 instruction.
- + sub \tmp, \irqstat, #1
- + eor \irqstat, \irqstat, \tmp
- + clz \tmp, \irqstat
- + sub \irqnr, \tmp
- +
- +1020: @ EQ will be set if no irqs pending
- +
- + .endm
- --- /dev/null
- +++ b/arch/arm/mach-bcm2708/include/mach/frc.h
- @@ -0,0 +1,38 @@
- +/*
- + * arch/arm/mach-bcm2708/include/mach/timex.h
- + *
- + * BCM2708 free running counter (timer)
- + *
- + * Copyright (C) 2010 Broadcom
- + *
- + * 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
- + */
- +
- +#ifndef _MACH_FRC_H
- +#define _MACH_FRC_H
- +
- +#define FRC_TICK_RATE (1000000)
- +
- +/*! Free running counter incrementing at the CLOCK_TICK_RATE
- + (slightly faster than frc_clock_ticks63()
- + */
- +extern unsigned long frc_clock_ticks32(void);
- +
- +/*! Free running counter incrementing at the CLOCK_TICK_RATE
- + * Note - top bit should be ignored (see cnt32_to_63)
- + */
- +extern unsigned long long frc_clock_ticks63(void);
- +
- +#endif
- --- /dev/null
- +++ b/arch/arm/mach-bcm2708/include/mach/hardware.h
- @@ -0,0 +1,28 @@
- +/*
- + * arch/arm/mach-bcm2708/include/mach/hardware.h
- + *
- + * This file contains the hardware definitions of the BCM2708 devices.
- + *
- + * Copyright (C) 2010 Broadcom
- + *
- + * 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
- + */
- +#ifndef __ASM_ARCH_HARDWARE_H
- +#define __ASM_ARCH_HARDWARE_H
- +
- +#include <asm/sizes.h>
- +#include <mach/platform.h>
- +
- +#endif
- --- /dev/null
- +++ b/arch/arm/mach-bcm2708/include/mach/io.h
- @@ -0,0 +1,27 @@
- +/*
- + * arch/arm/mach-bcm2708/include/mach/io.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
- + */
- +#ifndef __ASM_ARM_ARCH_IO_H
- +#define __ASM_ARM_ARCH_IO_H
- +
- +#define IO_SPACE_LIMIT 0xffffffff
- +
- +#define __io(a) __typesafe_io(a)
- +
- +#endif
- --- /dev/null
- +++ b/arch/arm/mach-bcm2708/include/mach/irqs.h
- @@ -0,0 +1,196 @@
- +/*
- + * arch/arm/mach-bcm2708/include/mach/irqs.h
- + *
- + * Copyright (C) 2010 Broadcom
- + * Copyright (C) 2003 ARM Limited
- + * Copyright (C) 2000 Deep Blue Solutions Ltd.
- + *
- + * 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
- + */
- +
- +#ifndef _BCM2708_IRQS_H_
- +#define _BCM2708_IRQS_H_
- +
- +#include <mach/platform.h>
- +
- +/*
- + * IRQ interrupts definitions are the same as the INT definitions
- + * held within platform.h
- + */
- +#define IRQ_ARMCTRL_START 0
- +#define IRQ_TIMER0 (IRQ_ARMCTRL_START + INTERRUPT_TIMER0)
- +#define IRQ_TIMER1 (IRQ_ARMCTRL_START + INTERRUPT_TIMER1)
- +#define IRQ_TIMER2 (IRQ_ARMCTRL_START + INTERRUPT_TIMER2)
- +#define IRQ_TIMER3 (IRQ_ARMCTRL_START + INTERRUPT_TIMER3)
- +#define IRQ_CODEC0 (IRQ_ARMCTRL_START + INTERRUPT_CODEC0)
- +#define IRQ_CODEC1 (IRQ_ARMCTRL_START + INTERRUPT_CODEC1)
- +#define IRQ_CODEC2 (IRQ_ARMCTRL_START + INTERRUPT_CODEC2)
- +#define IRQ_JPEG (IRQ_ARMCTRL_START + INTERRUPT_JPEG)
- +#define IRQ_ISP (IRQ_ARMCTRL_START + INTERRUPT_ISP)
- +#define IRQ_USB (IRQ_ARMCTRL_START + INTERRUPT_USB)
- +#define IRQ_3D (IRQ_ARMCTRL_START + INTERRUPT_3D)
- +#define IRQ_TRANSPOSER (IRQ_ARMCTRL_START + INTERRUPT_TRANSPOSER)
- +#define IRQ_MULTICORESYNC0 (IRQ_ARMCTRL_START + INTERRUPT_MULTICORESYNC0)
- +#define IRQ_MULTICORESYNC1 (IRQ_ARMCTRL_START + INTERRUPT_MULTICORESYNC1)
- +#define IRQ_MULTICORESYNC2 (IRQ_ARMCTRL_START + INTERRUPT_MULTICORESYNC2)
- +#define IRQ_MULTICORESYNC3 (IRQ_ARMCTRL_START + INTERRUPT_MULTICORESYNC3)
- +#define IRQ_DMA0 (IRQ_ARMCTRL_START + INTERRUPT_DMA0)
- +#define IRQ_DMA1 (IRQ_ARMCTRL_START + INTERRUPT_DMA1)
- +#define IRQ_DMA2 (IRQ_ARMCTRL_START + INTERRUPT_DMA2)
- +#define IRQ_DMA3 (IRQ_ARMCTRL_START + INTERRUPT_DMA3)
- +#define IRQ_DMA4 (IRQ_ARMCTRL_START + INTERRUPT_DMA4)
- +#define IRQ_DMA5 (IRQ_ARMCTRL_START + INTERRUPT_DMA5)
- +#define IRQ_DMA6 (IRQ_ARMCTRL_START + INTERRUPT_DMA6)
- +#define IRQ_DMA7 (IRQ_ARMCTRL_START + INTERRUPT_DMA7)
- +#define IRQ_DMA8 (IRQ_ARMCTRL_START + INTERRUPT_DMA8)
- +#define IRQ_DMA9 (IRQ_ARMCTRL_START + INTERRUPT_DMA9)
- +#define IRQ_DMA10 (IRQ_ARMCTRL_START + INTERRUPT_DMA10)
- +#define IRQ_DMA11 (IRQ_ARMCTRL_START + INTERRUPT_DMA11)
- +#define IRQ_DMA12 (IRQ_ARMCTRL_START + INTERRUPT_DMA12)
- +#define IRQ_AUX (IRQ_ARMCTRL_START + INTERRUPT_AUX)
- +#define IRQ_ARM (IRQ_ARMCTRL_START + INTERRUPT_ARM)
- +#define IRQ_VPUDMA (IRQ_ARMCTRL_START + INTERRUPT_VPUDMA)
- +#define IRQ_HOSTPORT (IRQ_ARMCTRL_START + INTERRUPT_HOSTPORT)
- +#define IRQ_VIDEOSCALER (IRQ_ARMCTRL_START + INTERRUPT_VIDEOSCALER)
- +#define IRQ_CCP2TX (IRQ_ARMCTRL_START + INTERRUPT_CCP2TX)
- +#define IRQ_SDC (IRQ_ARMCTRL_START + INTERRUPT_SDC)
- +#define IRQ_DSI0 (IRQ_ARMCTRL_START + INTERRUPT_DSI0)
- +#define IRQ_AVE (IRQ_ARMCTRL_START + INTERRUPT_AVE)
- +#define IRQ_CAM0 (IRQ_ARMCTRL_START + INTERRUPT_CAM0)
- +#define IRQ_CAM1 (IRQ_ARMCTRL_START + INTERRUPT_CAM1)
- +#define IRQ_HDMI0 (IRQ_ARMCTRL_START + INTERRUPT_HDMI0)
- +#define IRQ_HDMI1 (IRQ_ARMCTRL_START + INTERRUPT_HDMI1)
- +#define IRQ_PIXELVALVE1 (IRQ_ARMCTRL_START + INTERRUPT_PIXELVALVE1)
- +#define IRQ_I2CSPISLV (IRQ_ARMCTRL_START + INTERRUPT_I2CSPISLV)
- +#define IRQ_DSI1 (IRQ_ARMCTRL_START + INTERRUPT_DSI1)
- +#define IRQ_PWA0 (IRQ_ARMCTRL_START + INTERRUPT_PWA0)
- +#define IRQ_PWA1 (IRQ_ARMCTRL_START + INTERRUPT_PWA1)
- +#define IRQ_CPR (IRQ_ARMCTRL_START + INTERRUPT_CPR)
- +#define IRQ_SMI (IRQ_ARMCTRL_START + INTERRUPT_SMI)
- +#define IRQ_GPIO0 (IRQ_ARMCTRL_START + INTERRUPT_GPIO0)
- +#define IRQ_GPIO1 (IRQ_ARMCTRL_START + INTERRUPT_GPIO1)
- +#define IRQ_GPIO2 (IRQ_ARMCTRL_START + INTERRUPT_GPIO2)
- +#define IRQ_GPIO3 (IRQ_ARMCTRL_START + INTERRUPT_GPIO3)
- +#define IRQ_I2C (IRQ_ARMCTRL_START + INTERRUPT_I2C)
- +#define IRQ_SPI (IRQ_ARMCTRL_START + INTERRUPT_SPI)
- +#define IRQ_I2SPCM (IRQ_ARMCTRL_START + INTERRUPT_I2SPCM)
- +#define IRQ_SDIO (IRQ_ARMCTRL_START + INTERRUPT_SDIO)
- +#define IRQ_UART (IRQ_ARMCTRL_START + INTERRUPT_UART)
- +#define IRQ_SLIMBUS (IRQ_ARMCTRL_START + INTERRUPT_SLIMBUS)
- +#define IRQ_VEC (IRQ_ARMCTRL_START + INTERRUPT_VEC)
- +#define IRQ_CPG (IRQ_ARMCTRL_START + INTERRUPT_CPG)
- +#define IRQ_RNG (IRQ_ARMCTRL_START + INTERRUPT_RNG)
- +#define IRQ_ARASANSDIO (IRQ_ARMCTRL_START + INTERRUPT_ARASANSDIO)
- +#define IRQ_AVSPMON (IRQ_ARMCTRL_START + INTERRUPT_AVSPMON)
- +
- +#define IRQ_ARM_TIMER (IRQ_ARMCTRL_START + INTERRUPT_ARM_TIMER)
- +#define IRQ_ARM_MAILBOX (IRQ_ARMCTRL_START + INTERRUPT_ARM_MAILBOX)
- +#define IRQ_ARM_DOORBELL_0 (IRQ_ARMCTRL_START + INTERRUPT_ARM_DOORBELL_0)
- +#define IRQ_ARM_DOORBELL_1 (IRQ_ARMCTRL_START + INTERRUPT_ARM_DOORBELL_1)
- +#define IRQ_VPU0_HALTED (IRQ_ARMCTRL_START + INTERRUPT_VPU0_HALTED)
- +#define IRQ_VPU1_HALTED (IRQ_ARMCTRL_START + INTERRUPT_VPU1_HALTED)
- +#define IRQ_ILLEGAL_TYPE0 (IRQ_ARMCTRL_START + INTERRUPT_ILLEGAL_TYPE0)
- +#define IRQ_ILLEGAL_TYPE1 (IRQ_ARMCTRL_START + INTERRUPT_ILLEGAL_TYPE1)
- +#define IRQ_PENDING1 (IRQ_ARMCTRL_START + INTERRUPT_PENDING1)
- +#define IRQ_PENDING2 (IRQ_ARMCTRL_START + INTERRUPT_PENDING2)
- +
- +/*
- + * FIQ interrupts definitions are the same as the INT definitions.
- + */
- +#define FIQ_TIMER0 INT_TIMER0
- +#define FIQ_TIMER1 INT_TIMER1
- +#define FIQ_TIMER2 INT_TIMER2
- +#define FIQ_TIMER3 INT_TIMER3
- +#define FIQ_CODEC0 INT_CODEC0
- +#define FIQ_CODEC1 INT_CODEC1
- +#define FIQ_CODEC2 INT_CODEC2
- +#define FIQ_JPEG INT_JPEG
- +#define FIQ_ISP INT_ISP
- +#define FIQ_USB INT_USB
- +#define FIQ_3D INT_3D
- +#define FIQ_TRANSPOSER INT_TRANSPOSER
- +#define FIQ_MULTICORESYNC0 INT_MULTICORESYNC0
- +#define FIQ_MULTICORESYNC1 INT_MULTICORESYNC1
- +#define FIQ_MULTICORESYNC2 INT_MULTICORESYNC2
- +#define FIQ_MULTICORESYNC3 INT_MULTICORESYNC3
- +#define FIQ_DMA0 INT_DMA0
- +#define FIQ_DMA1 INT_DMA1
- +#define FIQ_DMA2 INT_DMA2
- +#define FIQ_DMA3 INT_DMA3
- +#define FIQ_DMA4 INT_DMA4
- +#define FIQ_DMA5 INT_DMA5
- +#define FIQ_DMA6 INT_DMA6
- +#define FIQ_DMA7 INT_DMA7
- +#define FIQ_DMA8 INT_DMA8
- +#define FIQ_DMA9 INT_DMA9
- +#define FIQ_DMA10 INT_DMA10
- +#define FIQ_DMA11 INT_DMA11
- +#define FIQ_DMA12 INT_DMA12
- +#define FIQ_AUX INT_AUX
- +#define FIQ_ARM INT_ARM
- +#define FIQ_VPUDMA INT_VPUDMA
- +#define FIQ_HOSTPORT INT_HOSTPORT
- +#define FIQ_VIDEOSCALER INT_VIDEOSCALER
- +#define FIQ_CCP2TX INT_CCP2TX
- +#define FIQ_SDC INT_SDC
- +#define FIQ_DSI0 INT_DSI0
- +#define FIQ_AVE INT_AVE
- +#define FIQ_CAM0 INT_CAM0
- +#define FIQ_CAM1 INT_CAM1
- +#define FIQ_HDMI0 INT_HDMI0
- +#define FIQ_HDMI1 INT_HDMI1
- +#define FIQ_PIXELVALVE1 INT_PIXELVALVE1
- +#define FIQ_I2CSPISLV INT_I2CSPISLV
- +#define FIQ_DSI1 INT_DSI1
- +#define FIQ_PWA0 INT_PWA0
- +#define FIQ_PWA1 INT_PWA1
- +#define FIQ_CPR INT_CPR
- +#define FIQ_SMI INT_SMI
- +#define FIQ_GPIO0 INT_GPIO0
- +#define FIQ_GPIO1 INT_GPIO1
- +#define FIQ_GPIO2 INT_GPIO2
- +#define FIQ_GPIO3 INT_GPIO3
- +#define FIQ_I2C INT_I2C
- +#define FIQ_SPI INT_SPI
- +#define FIQ_I2SPCM INT_I2SPCM
- +#define FIQ_SDIO INT_SDIO
- +#define FIQ_UART INT_UART
- +#define FIQ_SLIMBUS INT_SLIMBUS
- +#define FIQ_VEC INT_VEC
- +#define FIQ_CPG INT_CPG
- +#define FIQ_RNG INT_RNG
- +#define FIQ_ARASANSDIO INT_ARASANSDIO
- +#define FIQ_AVSPMON INT_AVSPMON
- +
- +#define FIQ_ARM_TIMER INT_ARM_TIMER
- +#define FIQ_ARM_MAILBOX INT_ARM_MAILBOX
- +#define FIQ_ARM_DOORBELL_0 INT_ARM_DOORBELL_0
- +#define FIQ_ARM_DOORBELL_1 INT_ARM_DOORBELL_1
- +#define FIQ_VPU0_HALTED INT_VPU0_HALTED
- +#define FIQ_VPU1_HALTED INT_VPU1_HALTED
- +#define FIQ_ILLEGAL_TYPE0 INT_ILLEGAL_TYPE0
- +#define FIQ_ILLEGAL_TYPE1 INT_ILLEGAL_TYPE1
- +#define FIQ_PENDING1 INT_PENDING1
- +#define FIQ_PENDING2 INT_PENDING2
- +
- +#define HARD_IRQS (64 + 21)
- +#define GPIO_IRQ_START (HARD_IRQS)
- +#define GPIO_IRQS (32*5)
- +#define SPARE_ALLOC_IRQS 64
- +#define BCM2708_ALLOC_IRQS (HARD_IRQS+FIQ_IRQS+GPIO_IRQS+SPARE_ALLOC_IRQS)
- +#define FREE_IRQS 128
- +#define NR_IRQS (BCM2708_ALLOC_IRQS+FREE_IRQS)
- +
- +#endif /* _BCM2708_IRQS_H_ */
- --- /dev/null
- +++ b/arch/arm/mach-bcm2708/include/mach/memory.h
- @@ -0,0 +1,57 @@
- +/*
- + * arch/arm/mach-bcm2708/include/mach/memory.h
- + *
- + * Copyright (C) 2010 Broadcom
- + *
- + * 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
- + */
- +#ifndef __ASM_ARCH_MEMORY_H
- +#define __ASM_ARCH_MEMORY_H
- +
- +/* Memory overview:
- +
- + [ARMcore] <--virtual addr-->
- + [ARMmmu] <--physical addr-->
- + [GERTmap] <--bus add-->
- + [VCperiph]
- +
- +*/
- +
- +/*
- + * Physical DRAM offset.
- + */
- +#define BCM_PLAT_PHYS_OFFSET UL(0x00000000)
- +#define VC_ARMMEM_OFFSET UL(0x00000000) /* offset in VC of ARM memory */
- +
- +#ifdef CONFIG_BCM2708_NOL2CACHE
- + #define _REAL_BUS_OFFSET UL(0xC0000000) /* don't use L1 or L2 caches */
- +#else
- + #define _REAL_BUS_OFFSET UL(0x40000000) /* use L2 cache */
- +#endif
- +
- +/* We're using the memory at 64M in the VideoCore for Linux - this adjustment
- + * will provide the offset into this area as well as setting the bits that
- + * stop the L1 and L2 cache from being used
- + *
- + * WARNING: this only works because the ARM is given memory at a fixed location
- + * (ARMMEM_OFFSET)
- + */
- +#define BUS_OFFSET (VC_ARMMEM_OFFSET + _REAL_BUS_OFFSET)
- +#define __virt_to_bus(x) ((x) + (BUS_OFFSET - PAGE_OFFSET))
- +#define __bus_to_virt(x) ((x) - (BUS_OFFSET - PAGE_OFFSET))
- +#define __pfn_to_bus(x) (__pfn_to_phys(x) + (BUS_OFFSET - BCM_PLAT_PHYS_OFFSET))
- +#define __bus_to_pfn(x) __phys_to_pfn((x) - (BUS_OFFSET - BCM_PLAT_PHYS_OFFSET))
- +
- +#endif
- --- /dev/null
- +++ b/arch/arm/mach-bcm2708/include/mach/platform.h
- @@ -0,0 +1,228 @@
- +/*
- + * arch/arm/mach-bcm2708/include/mach/platform.h
- + *
- + * Copyright (C) 2010 Broadcom
- + *
- + * 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
- + */
- +
- +#ifndef _BCM2708_PLATFORM_H
- +#define _BCM2708_PLATFORM_H
- +
- +
- +/* macros to get at IO space when running virtually */
- +#define IO_ADDRESS(x) (((x) & 0x0fffffff) + (((x) >> 4) & 0x0f000000) + 0xf0000000)
- +
- +#define __io_address(n) IOMEM(IO_ADDRESS(n))
- +
- +
- +/*
- + * SDRAM
- + */
- +#define BCM2708_SDRAM_BASE 0x00000000
- +
- +/*
- + * Logic expansion modules
- + *
- + */
- +
- +
- +/* ------------------------------------------------------------------------
- + * BCM2708 ARMCTRL Registers
- + * ------------------------------------------------------------------------
- + */
- +
- +#define HW_REGISTER_RW(addr) (addr)
- +#define HW_REGISTER_RO(addr) (addr)
- +
- +#include "arm_control.h"
- +#undef ARM_BASE
- +
- +/*
- + * Definitions and addresses for the ARM CONTROL logic
- + * This file is manually generated.
- + */
- +
- +#define BCM2708_PERI_BASE 0x20000000
- +#define IC0_BASE (BCM2708_PERI_BASE + 0x2000)
- +#define ST_BASE (BCM2708_PERI_BASE + 0x3000) /* System Timer */
- +#define MPHI_BASE (BCM2708_PERI_BASE + 0x6000) /* Message -based Parallel Host Interface */
- +#define DMA_BASE (BCM2708_PERI_BASE + 0x7000) /* DMA controller */
- +#define ARM_BASE (BCM2708_PERI_BASE + 0xB000) /* BCM2708 ARM control block */
- +#define PM_BASE (BCM2708_PERI_BASE + 0x100000) /* Power Management, Reset controller and Watchdog registers */
- +#define PCM_CLOCK_BASE (BCM2708_PERI_BASE + 0x101098) /* PCM Clock */
- +#define RNG_BASE (BCM2708_PERI_BASE + 0x104000) /* Hardware RNG */
- +#define GPIO_BASE (BCM2708_PERI_BASE + 0x200000) /* GPIO */
- +#define UART0_BASE (BCM2708_PERI_BASE + 0x201000) /* Uart 0 */
- +#define MMCI0_BASE (BCM2708_PERI_BASE + 0x202000) /* MMC interface */
- +#define I2S_BASE (BCM2708_PERI_BASE + 0x203000) /* I2S */
- +#define SPI0_BASE (BCM2708_PERI_BASE + 0x204000) /* SPI0 */
- +#define BSC0_BASE (BCM2708_PERI_BASE + 0x205000) /* BSC0 I2C/TWI */
- +#define UART1_BASE (BCM2708_PERI_BASE + 0x215000) /* Uart 1 */
- +#define EMMC_BASE (BCM2708_PERI_BASE + 0x300000) /* eMMC interface */
- +#define SMI_BASE (BCM2708_PERI_BASE + 0x600000) /* SMI */
- +#define BSC1_BASE (BCM2708_PERI_BASE + 0x804000) /* BSC1 I2C/TWI */
- +#define USB_BASE (BCM2708_PERI_BASE + 0x980000) /* DTC_OTG USB controller */
- +#define MCORE_BASE (BCM2708_PERI_BASE + 0x0000) /* Fake frame buffer device (actually the multicore sync block*/
- +
- +#define ARMCTRL_BASE (ARM_BASE + 0x000)
- +#define ARMCTRL_IC_BASE (ARM_BASE + 0x200) /* ARM interrupt controller */
- +#define ARMCTRL_TIMER0_1_BASE (ARM_BASE + 0x400) /* Timer 0 and 1 */
- +#define ARMCTRL_0_SBM_BASE (ARM_BASE + 0x800) /* User 0 (ARM)'s Semaphores Doorbells and Mailboxes */
- +
- +
- +/*
- + * Interrupt assignments
- + */
- +
- +#define ARM_IRQ1_BASE 0
- +#define INTERRUPT_TIMER0 (ARM_IRQ1_BASE + 0)
- +#define INTERRUPT_TIMER1 (ARM_IRQ1_BASE + 1)
- +#define INTERRUPT_TIMER2 (ARM_IRQ1_BASE + 2)
- +#define INTERRUPT_TIMER3 (ARM_IRQ1_BASE + 3)
- +#define INTERRUPT_CODEC0 (ARM_IRQ1_BASE + 4)
- +#define INTERRUPT_CODEC1 (ARM_IRQ1_BASE + 5)
- +#define INTERRUPT_CODEC2 (ARM_IRQ1_BASE + 6)
- +#define INTERRUPT_VC_JPEG (ARM_IRQ1_BASE + 7)
- +#define INTERRUPT_ISP (ARM_IRQ1_BASE + 8)
- +#define INTERRUPT_VC_USB (ARM_IRQ1_BASE + 9)
- +#define INTERRUPT_VC_3D (ARM_IRQ1_BASE + 10)
- +#define INTERRUPT_TRANSPOSER (ARM_IRQ1_BASE + 11)
- +#define INTERRUPT_MULTICORESYNC0 (ARM_IRQ1_BASE + 12)
- +#define INTERRUPT_MULTICORESYNC1 (ARM_IRQ1_BASE + 13)
- +#define INTERRUPT_MULTICORESYNC2 (ARM_IRQ1_BASE + 14)
- +#define INTERRUPT_MULTICORESYNC3 (ARM_IRQ1_BASE + 15)
- +#define INTERRUPT_DMA0 (ARM_IRQ1_BASE + 16)
- +#define INTERRUPT_DMA1 (ARM_IRQ1_BASE + 17)
- +#define INTERRUPT_VC_DMA2 (ARM_IRQ1_BASE + 18)
- +#define INTERRUPT_VC_DMA3 (ARM_IRQ1_BASE + 19)
- +#define INTERRUPT_DMA4 (ARM_IRQ1_BASE + 20)
- +#define INTERRUPT_DMA5 (ARM_IRQ1_BASE + 21)
- +#define INTERRUPT_DMA6 (ARM_IRQ1_BASE + 22)
- +#define INTERRUPT_DMA7 (ARM_IRQ1_BASE + 23)
- +#define INTERRUPT_DMA8 (ARM_IRQ1_BASE + 24)
- +#define INTERRUPT_DMA9 (ARM_IRQ1_BASE + 25)
- +#define INTERRUPT_DMA10 (ARM_IRQ1_BASE + 26)
- +#define INTERRUPT_DMA11 (ARM_IRQ1_BASE + 27)
- +#define INTERRUPT_DMA12 (ARM_IRQ1_BASE + 28)
- +#define INTERRUPT_AUX (ARM_IRQ1_BASE + 29)
- +#define INTERRUPT_ARM (ARM_IRQ1_BASE + 30)
- +#define INTERRUPT_VPUDMA (ARM_IRQ1_BASE + 31)
- +
- +#define ARM_IRQ2_BASE 32
- +#define INTERRUPT_HOSTPORT (ARM_IRQ2_BASE + 0)
- +#define INTERRUPT_VIDEOSCALER (ARM_IRQ2_BASE + 1)
- +#define INTERRUPT_CCP2TX (ARM_IRQ2_BASE + 2)
- +#define INTERRUPT_SDC (ARM_IRQ2_BASE + 3)
- +#define INTERRUPT_DSI0 (ARM_IRQ2_BASE + 4)
- +#define INTERRUPT_AVE (ARM_IRQ2_BASE + 5)
- +#define INTERRUPT_CAM0 (ARM_IRQ2_BASE + 6)
- +#define INTERRUPT_CAM1 (ARM_IRQ2_BASE + 7)
- +#define INTERRUPT_HDMI0 (ARM_IRQ2_BASE + 8)
- +#define INTERRUPT_HDMI1 (ARM_IRQ2_BASE + 9)
- +#define INTERRUPT_PIXELVALVE1 (ARM_IRQ2_BASE + 10)
- +#define INTERRUPT_I2CSPISLV (ARM_IRQ2_BASE + 11)
- +#define INTERRUPT_DSI1 (ARM_IRQ2_BASE + 12)
- +#define INTERRUPT_PWA0 (ARM_IRQ2_BASE + 13)
- +#define INTERRUPT_PWA1 (ARM_IRQ2_BASE + 14)
- +#define INTERRUPT_CPR (ARM_IRQ2_BASE + 15)
- +#define INTERRUPT_SMI (ARM_IRQ2_BASE + 16)
- +#define INTERRUPT_GPIO0 (ARM_IRQ2_BASE + 17)
- +#define INTERRUPT_GPIO1 (ARM_IRQ2_BASE + 18)
- +#define INTERRUPT_GPIO2 (ARM_IRQ2_BASE + 19)
- +#define INTERRUPT_GPIO3 (ARM_IRQ2_BASE + 20)
- +#define INTERRUPT_VC_I2C (ARM_IRQ2_BASE + 21)
- +#define INTERRUPT_VC_SPI (ARM_IRQ2_BASE + 22)
- +#define INTERRUPT_VC_I2SPCM (ARM_IRQ2_BASE + 23)
- +#define INTERRUPT_VC_SDIO (ARM_IRQ2_BASE + 24)
- +#define INTERRUPT_VC_UART (ARM_IRQ2_BASE + 25)
- +#define INTERRUPT_SLIMBUS (ARM_IRQ2_BASE + 26)
- +#define INTERRUPT_VEC (ARM_IRQ2_BASE + 27)
- +#define INTERRUPT_CPG (ARM_IRQ2_BASE + 28)
- +#define INTERRUPT_RNG (ARM_IRQ2_BASE + 29)
- +#define INTERRUPT_VC_ARASANSDIO (ARM_IRQ2_BASE + 30)
- +#define INTERRUPT_AVSPMON (ARM_IRQ2_BASE + 31)
- +
- +#define ARM_IRQ0_BASE 64
- +#define INTERRUPT_ARM_TIMER (ARM_IRQ0_BASE + 0)
- +#define INTERRUPT_ARM_MAILBOX (ARM_IRQ0_BASE + 1)
- +#define INTERRUPT_ARM_DOORBELL_0 (ARM_IRQ0_BASE + 2)
- +#define INTERRUPT_ARM_DOORBELL_1 (ARM_IRQ0_BASE + 3)
- +#define INTERRUPT_VPU0_HALTED (ARM_IRQ0_BASE + 4)
- +#define INTERRUPT_VPU1_HALTED (ARM_IRQ0_BASE + 5)
- +#define INTERRUPT_ILLEGAL_TYPE0 (ARM_IRQ0_BASE + 6)
- +#define INTERRUPT_ILLEGAL_TYPE1 (ARM_IRQ0_BASE + 7)
- +#define INTERRUPT_PENDING1 (ARM_IRQ0_BASE + 8)
- +#define INTERRUPT_PENDING2 (ARM_IRQ0_BASE + 9)
- +#define INTERRUPT_JPEG (ARM_IRQ0_BASE + 10)
- +#define INTERRUPT_USB (ARM_IRQ0_BASE + 11)
- +#define INTERRUPT_3D (ARM_IRQ0_BASE + 12)
- +#define INTERRUPT_DMA2 (ARM_IRQ0_BASE + 13)
- +#define INTERRUPT_DMA3 (ARM_IRQ0_BASE + 14)
- +#define INTERRUPT_I2C (ARM_IRQ0_BASE + 15)
- +#define INTERRUPT_SPI (ARM_IRQ0_BASE + 16)
- +#define INTERRUPT_I2SPCM (ARM_IRQ0_BASE + 17)
- +#define INTERRUPT_SDIO (ARM_IRQ0_BASE + 18)
- +#define INTERRUPT_UART (ARM_IRQ0_BASE + 19)
- +#define INTERRUPT_ARASANSDIO (ARM_IRQ0_BASE + 20)
- +
- +#define MAXIRQNUM (32 + 32 + 20)
- +#define MAXFIQNUM (32 + 32 + 20)
- +
- +#define MAX_TIMER 2
- +#define MAX_PERIOD 699050
- +#define TICKS_PER_uSEC 1
- +
- +/*
- + * These are useconds NOT ticks.
- + *
- + */
- +#define mSEC_1 1000
- +#define mSEC_5 (mSEC_1 * 5)
- +#define mSEC_10 (mSEC_1 * 10)
- +#define mSEC_25 (mSEC_1 * 25)
- +#define SEC_1 (mSEC_1 * 1000)
- +
- +/*
- + * Watchdog
- + */
- +#define PM_RSTC (PM_BASE+0x1c)
- +#define PM_RSTS (PM_BASE+0x20)
- +#define PM_WDOG (PM_BASE+0x24)
- +
- +#define PM_WDOG_RESET 0000000000
- +#define PM_PASSWORD 0x5a000000
- +#define PM_WDOG_TIME_SET 0x000fffff
- +#define PM_RSTC_WRCFG_CLR 0xffffffcf
- +#define PM_RSTC_WRCFG_SET 0x00000030
- +#define PM_RSTC_WRCFG_FULL_RESET 0x00000020
- +#define PM_RSTC_RESET 0x00000102
- +
- +#define PM_RSTS_HADPOR_SET 0x00001000
- +#define PM_RSTS_HADSRH_SET 0x00000400
- +#define PM_RSTS_HADSRF_SET 0x00000200
- +#define PM_RSTS_HADSRQ_SET 0x00000100
- +#define PM_RSTS_HADWRH_SET 0x00000040
- +#define PM_RSTS_HADWRF_SET 0x00000020
- +#define PM_RSTS_HADWRQ_SET 0x00000010
- +#define PM_RSTS_HADDRH_SET 0x00000004
- +#define PM_RSTS_HADDRF_SET 0x00000002
- +#define PM_RSTS_HADDRQ_SET 0x00000001
- +
- +#define UART0_CLOCK 3000000
- +
- +#endif
- +
- +/* END */
- --- /dev/null
- +++ b/arch/arm/mach-bcm2708/include/mach/power.h
- @@ -0,0 +1,26 @@
- +/*
- + * linux/arch/arm/mach-bcm2708/power.h
- + *
- + * Copyright (C) 2010 Broadcom
- + *
- + * 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.
- + *
- + * This device provides a shared mechanism for controlling the power to
- + * VideoCore subsystems.
- + */
- +
- +#ifndef _MACH_BCM2708_POWER_H
- +#define _MACH_BCM2708_POWER_H
- +
- +#include <linux/types.h>
- +#include <mach/arm_power.h>
- +
- +typedef unsigned int BCM_POWER_HANDLE_T;
- +
- +extern int bcm_power_open(BCM_POWER_HANDLE_T *handle);
- +extern int bcm_power_request(BCM_POWER_HANDLE_T handle, uint32_t request);
- +extern int bcm_power_close(BCM_POWER_HANDLE_T handle);
- +
- +#endif
- --- /dev/null
- +++ b/arch/arm/mach-bcm2708/include/mach/system.h
- @@ -0,0 +1,38 @@
- +/*
- + * arch/arm/mach-bcm2708/include/mach/system.h
- + *
- + * Copyright (C) 2010 Broadcom
- + * Copyright (C) 2003 ARM Limited
- + * Copyright (C) 2000 Deep Blue Solutions Ltd
- + *
- + * 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
- + */
- +#ifndef __ASM_ARCH_SYSTEM_H
- +#define __ASM_ARCH_SYSTEM_H
- +
- +#include <linux/io.h>
- +#include <mach/hardware.h>
- +#include <mach/platform.h>
- +
- +static inline void arch_idle(void)
- +{
- + /*
- + * This should do all the clock switching
- + * and wait for interrupt tricks
- + */
- + cpu_do_idle();
- +}
- +
- +#endif
- --- /dev/null
- +++ b/arch/arm/mach-bcm2708/include/mach/timex.h
- @@ -0,0 +1,23 @@
- +/*
- + * arch/arm/mach-bcm2708/include/mach/timex.h
- + *
- + * BCM2708 sysem clock frequency
- + *
- + * Copyright (C) 2010 Broadcom
- + *
- + * 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 CLOCK_TICK_RATE (1000000)
- --- /dev/null
- +++ b/arch/arm/mach-bcm2708/include/mach/uncompress.h
- @@ -0,0 +1,84 @@
- +/*
- + * arch/arm/mach-bcn2708/include/mach/uncompress.h
- + *
- + * Copyright (C) 2010 Broadcom
- + * 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
- + */
- +
- +#include <linux/io.h>
- +#include <linux/amba/serial.h>
- +#include <mach/hardware.h>
- +
- +#define UART_BAUD 115200
- +
- +#define BCM2708_UART_DR __io(UART0_BASE + UART01x_DR)
- +#define BCM2708_UART_FR __io(UART0_BASE + UART01x_FR)
- +#define BCM2708_UART_IBRD __io(UART0_BASE + UART011_IBRD)
- +#define BCM2708_UART_FBRD __io(UART0_BASE + UART011_FBRD)
- +#define BCM2708_UART_LCRH __io(UART0_BASE + UART011_LCRH)
- +#define BCM2708_UART_CR __io(UART0_BASE + UART011_CR)
- +
- +/*
- + * This does not append a newline
- + */
- +static inline void putc(int c)
- +{
- + while (__raw_readl(BCM2708_UART_FR) & UART01x_FR_TXFF)
- + barrier();
- +
- + __raw_writel(c, BCM2708_UART_DR);
- +}
- +
- +static inline void flush(void)
- +{
- + int fr;
- +
- + do {
- + fr = __raw_readl(BCM2708_UART_FR);
- + barrier();
- + } while ((fr & (UART011_FR_TXFE | UART01x_FR_BUSY)) != UART011_FR_TXFE);
- +}
- +
- +static inline void arch_decomp_setup(void)
- +{
- + int temp, div, rem, frac;
- +
- + temp = 16 * UART_BAUD;
- + div = UART0_CLOCK / temp;
- + rem = UART0_CLOCK % temp;
- + temp = (8 * rem) / UART_BAUD;
- + frac = (temp >> 1) + (temp & 1);
- +
- + /* Make sure the UART is disabled before we start */
- + __raw_writel(0, BCM2708_UART_CR);
- +
- + /* Set the baud rate */
- + __raw_writel(div, BCM2708_UART_IBRD);
- + __raw_writel(frac, BCM2708_UART_FBRD);
- +
- + /* Set the UART to 8n1, FIFO enabled */
- + __raw_writel(UART01x_LCRH_WLEN_8 | UART01x_LCRH_FEN, BCM2708_UART_LCRH);
- +
- + /* Enable the UART */
- + __raw_writel(UART01x_CR_UARTEN | UART011_CR_TXE | UART011_CR_RXE,
- + BCM2708_UART_CR);
- +}
- +
- +/*
- + * nothing to do
- + */
- +#define arch_decomp_wdog()
- --- /dev/null
- +++ b/arch/arm/mach-bcm2708/include/mach/vc_mem.h
- @@ -0,0 +1,35 @@
- +/*****************************************************************************
- +* Copyright 2010 - 2011 Broadcom Corporation. All rights reserved.
- +*
- +* Unless you and Broadcom execute a separate written software license
- +* agreement governing use of this software, this software is licensed to you
- +* under the terms of the GNU General Public License version 2, available at
- +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL").
- +*
- +* Notwithstanding the above, under no circumstances may you combine this
- +* software in any way with any other Broadcom software provided under a
- +* license other than the GPL, without Broadcom's express prior written
- +* consent.
- +*****************************************************************************/
- +
- +#if !defined( VC_MEM_H )
- +#define VC_MEM_H
- +
- +#include <linux/ioctl.h>
- +
- +#define VC_MEM_IOC_MAGIC 'v'
- +
- +#define VC_MEM_IOC_MEM_PHYS_ADDR _IOR( VC_MEM_IOC_MAGIC, 0, unsigned long )
- +#define VC_MEM_IOC_MEM_SIZE _IOR( VC_MEM_IOC_MAGIC, 1, unsigned int )
- +#define VC_MEM_IOC_MEM_BASE _IOR( VC_MEM_IOC_MAGIC, 2, unsigned int )
- +#define VC_MEM_IOC_MEM_LOAD _IOR( VC_MEM_IOC_MAGIC, 3, unsigned int )
- +
- +#if defined( __KERNEL__ )
- +#define VC_MEM_TO_ARM_ADDR_MASK 0x3FFFFFFF
- +
- +extern unsigned long mm_vc_mem_phys_addr;
- +extern unsigned int mm_vc_mem_size;
- +extern int vc_mem_get_current_size( void );
- +#endif
- +
- +#endif /* VC_MEM_H */
- --- /dev/null
- +++ b/arch/arm/mach-bcm2708/include/mach/vcio.h
- @@ -0,0 +1,165 @@
- +/*
- + * arch/arm/mach-bcm2708/include/mach/vcio.h
- + *
- + * Copyright (C) 2010 Broadcom
- + *
- + * 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
- + */
- +#ifndef _MACH_BCM2708_VCIO_H
- +#define _MACH_BCM2708_VCIO_H
- +
- +/* Routines to handle I/O via the VideoCore "ARM control" registers
- + * (semaphores, doorbells, mailboxes)
- + */
- +
- +#define BCM_VCIO_DRIVER_NAME "bcm2708_vcio"
- +
- +/* Constants shared with the ARM identifying separate mailbox channels */
- +#define MBOX_CHAN_POWER 0 /* for use by the power management interface */
- +#define MBOX_CHAN_FB 1 /* for use by the frame buffer */
- +#define MBOX_CHAN_VCHIQ 3 /* for use by the VCHIQ interface */
- +#define MBOX_CHAN_PROPERTY 8 /* for use by the property channel */
- +#define MBOX_CHAN_COUNT 9
- +
- +enum {
- + VCMSG_PROCESS_REQUEST = 0x00000000
- +};
- +enum {
- + VCMSG_REQUEST_SUCCESSFUL = 0x80000000,
- + VCMSG_REQUEST_FAILED = 0x80000001
- +};
- +/* Mailbox property tags */
- +enum {
- + VCMSG_PROPERTY_END = 0x00000000,
- + VCMSG_GET_FIRMWARE_REVISION = 0x00000001,
- + VCMSG_GET_BOARD_MODEL = 0x00010001,
- + VCMSG_GET_BOARD_REVISION = 0x00010002,
- + VCMSG_GET_BOARD_MAC_ADDRESS = 0x00010003,
- + VCMSG_GET_BOARD_SERIAL = 0x00010004,
- + VCMSG_GET_ARM_MEMORY = 0x00010005,
- + VCMSG_GET_VC_MEMORY = 0x00010006,
- + VCMSG_GET_CLOCKS = 0x00010007,
- + VCMSG_GET_COMMAND_LINE = 0x00050001,
- + VCMSG_GET_DMA_CHANNELS = 0x00060001,
- + VCMSG_GET_POWER_STATE = 0x00020001,
- + VCMSG_GET_TIMING = 0x00020002,
- + VCMSG_SET_POWER_STATE = 0x00028001,
- + VCMSG_GET_CLOCK_STATE = 0x00030001,
- + VCMSG_SET_CLOCK_STATE = 0x00038001,
- + VCMSG_GET_CLOCK_RATE = 0x00030002,
- + VCMSG_SET_CLOCK_RATE = 0x00038002,
- + VCMSG_GET_VOLTAGE = 0x00030003,
- + VCMSG_SET_VOLTAGE = 0x00038003,
- + VCMSG_GET_MAX_CLOCK = 0x00030004,
- + VCMSG_GET_MAX_VOLTAGE = 0x00030005,
- + VCMSG_GET_TEMPERATURE = 0x00030006,
- + VCMSG_GET_MIN_CLOCK = 0x00030007,
- + VCMSG_GET_MIN_VOLTAGE = 0x00030008,
- + VCMSG_GET_TURBO = 0x00030009,
- + VCMSG_GET_MAX_TEMPERATURE = 0x0003000a,
- + VCMSG_GET_STC = 0x0003000b,
- + VCMSG_SET_TURBO = 0x00038009,
- + VCMSG_SET_ALLOCATE_MEM = 0x0003000c,
- + VCMSG_SET_LOCK_MEM = 0x0003000d,
- + VCMSG_SET_UNLOCK_MEM = 0x0003000e,
- + VCMSG_SET_RELEASE_MEM = 0x0003000f,
- + VCMSG_SET_EXECUTE_CODE = 0x00030010,
- + VCMSG_SET_EXECUTE_QPU = 0x00030011,
- + VCMSG_SET_ENABLE_QPU = 0x00030012,
- + VCMSG_GET_RESOURCE_HANDLE = 0x00030014,
- + VCMSG_GET_EDID_BLOCK = 0x00030020,
- + VCMSG_GET_CUSTOMER_OTP = 0x00030021,
- + VCMSG_SET_CUSTOMER_OTP = 0x00038021,
- + VCMSG_SET_ALLOCATE_BUFFER = 0x00040001,
- + VCMSG_SET_RELEASE_BUFFER = 0x00048001,
- + VCMSG_SET_BLANK_SCREEN = 0x00040002,
- + VCMSG_TST_BLANK_SCREEN = 0x00044002,
- + VCMSG_GET_PHYSICAL_WIDTH_HEIGHT = 0x00040003,
- + VCMSG_TST_PHYSICAL_WIDTH_HEIGHT = 0x00044003,
- + VCMSG_SET_PHYSICAL_WIDTH_HEIGHT = 0x00048003,
- + VCMSG_GET_VIRTUAL_WIDTH_HEIGHT = 0x00040004,
- + VCMSG_TST_VIRTUAL_WIDTH_HEIGHT = 0x00044004,
- + VCMSG_SET_VIRTUAL_WIDTH_HEIGHT = 0x00048004,
- + VCMSG_GET_DEPTH = 0x00040005,
- + VCMSG_TST_DEPTH = 0x00044005,
- + VCMSG_SET_DEPTH = 0x00048005,
- + VCMSG_GET_PIXEL_ORDER = 0x00040006,
- + VCMSG_TST_PIXEL_ORDER = 0x00044006,
- + VCMSG_SET_PIXEL_ORDER = 0x00048006,
- + VCMSG_GET_ALPHA_MODE = 0x00040007,
- + VCMSG_TST_ALPHA_MODE = 0x00044007,
- + VCMSG_SET_ALPHA_MODE = 0x00048007,
- + VCMSG_GET_PITCH = 0x00040008,
- + VCMSG_TST_PITCH = 0x00044008,
- + VCMSG_SET_PITCH = 0x00048008,
- + VCMSG_GET_VIRTUAL_OFFSET = 0x00040009,
- + VCMSG_TST_VIRTUAL_OFFSET = 0x00044009,
- + VCMSG_SET_VIRTUAL_OFFSET = 0x00048009,
- + VCMSG_GET_OVERSCAN = 0x0004000a,
- + VCMSG_TST_OVERSCAN = 0x0004400a,
- + VCMSG_SET_OVERSCAN = 0x0004800a,
- + VCMSG_GET_PALETTE = 0x0004000b,
- + VCMSG_TST_PALETTE = 0x0004400b,
- + VCMSG_SET_PALETTE = 0x0004800b,
- + VCMSG_GET_LAYER = 0x0004000c,
- + VCMSG_TST_LAYER = 0x0004400c,
- + VCMSG_SET_LAYER = 0x0004800c,
- + VCMSG_GET_TRANSFORM = 0x0004000d,
- + VCMSG_TST_TRANSFORM = 0x0004400d,
- + VCMSG_SET_TRANSFORM = 0x0004800d,
- + VCMSG_TST_VSYNC = 0x0004400e,
- + VCMSG_SET_VSYNC = 0x0004800e,
- + VCMSG_SET_CURSOR_INFO = 0x00008010,
- + VCMSG_SET_CURSOR_STATE = 0x00008011,
- +};
- +
- +extern int /*rc*/ bcm_mailbox_read(unsigned chan, uint32_t *data28);
- +extern int /*rc*/ bcm_mailbox_write(unsigned chan, uint32_t data28);
- +extern int /*rc*/ bcm_mailbox_property(void *data, int size);
- +
- +#include <linux/ioctl.h>
- +
- +/*
- + * The major device number. We can't rely on dynamic
- + * registration any more, because ioctls need to know
- + * it.
- + */
- +#define MAJOR_NUM 100
- +
- +/*
- + * Set the message of the device driver
- + */
- +#define IOCTL_MBOX_PROPERTY _IOWR(MAJOR_NUM, 0, char *)
- +/*
- + * _IOWR means that we're creating an ioctl command
- + * number for passing information from a user process
- + * to the kernel module and from the kernel module to user process
- + *
- + * The first arguments, MAJOR_NUM, is the major device
- + * number we're using.
- + *
- + * The second argument is the number of the command
- + * (there could be several with different meanings).
- + *
- + * The third argument is the type we want to get from
- + * the process to the kernel.
- + */
- +
- +/*
- + * The name of the device file
- + */
- +#define DEVICE_FILE_NAME "vcio"
- +
- +#endif
- --- /dev/null
- +++ b/arch/arm/mach-bcm2708/include/mach/vmalloc.h
- @@ -0,0 +1,20 @@
- +/*
- + * arch/arm/mach-bcm2708/include/mach/vmalloc.h
- + *
- + * Copyright (C) 2010 Broadcom
- + *
- + * 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 VMALLOC_END (0xe8000000)
- --- /dev/null
- +++ b/arch/arm/mach-bcm2708/power.c
- @@ -0,0 +1,197 @@
- +/*
- + * linux/arch/arm/mach-bcm2708/power.c
- + *
- + * Copyright (C) 2010 Broadcom
- + *
- + * 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.
- + *
- + * This device provides a shared mechanism for controlling the power to
- + * VideoCore subsystems.
- + */
- +
- +#include <linux/module.h>
- +#include <linux/semaphore.h>
- +#include <linux/bug.h>
- +#include <mach/power.h>
- +#include <mach/vcio.h>
- +#include <mach/arm_power.h>
- +
- +#define DRIVER_NAME "bcm2708_power"
- +
- +#define BCM_POWER_MAXCLIENTS 4
- +#define BCM_POWER_NOCLIENT (1<<31)
- +
- +/* Some drivers expect there devices to be permanently powered */
- +
- +#ifdef CONFIG_USB
- +#define BCM_POWER_ALWAYS_ON (BCM_POWER_USB)
- +#endif
- +
- +#if 1
- +#define DPRINTK printk
- +#else
- +#define DPRINTK if (0) printk
- +#endif
- +
- +struct state_struct {
- + uint32_t global_request;
- + uint32_t client_request[BCM_POWER_MAXCLIENTS];
- + struct semaphore client_mutex;
- + struct semaphore mutex;
- +} g_state;
- +
- +int bcm_power_open(BCM_POWER_HANDLE_T *handle)
- +{
- + BCM_POWER_HANDLE_T i;
- + int ret = -EBUSY;
- +
- + down(&g_state.client_mutex);
- +
- + for (i = 0; i < BCM_POWER_MAXCLIENTS; i++) {
- + if (g_state.client_request[i] == BCM_POWER_NOCLIENT) {
- + g_state.client_request[i] = BCM_POWER_NONE;
- + *handle = i;
- + ret = 0;
- + break;
- + }
- + }
- +
- + up(&g_state.client_mutex);
- +
- + DPRINTK("bcm_power_open() -> %d\n", *handle);
- +
- + return ret;
- +}
- +EXPORT_SYMBOL_GPL(bcm_power_open);
- +
- +int bcm_power_request(BCM_POWER_HANDLE_T handle, uint32_t request)
- +{
- + int rc = 0;
- +
- + DPRINTK("bcm_power_request(%d, %x)\n", handle, request);
- +
- + if ((handle < BCM_POWER_MAXCLIENTS) &&
- + (g_state.client_request[handle] != BCM_POWER_NOCLIENT)) {
- + if (down_interruptible(&g_state.mutex) != 0) {
- + DPRINTK("bcm_power_request -> interrupted\n");
- + return -EINTR;
- + }
- +
- + if (request != g_state.client_request[handle]) {
- + uint32_t others_request = 0;
- + uint32_t global_request;
- + BCM_POWER_HANDLE_T i;
- +
- + for (i = 0; i < BCM_POWER_MAXCLIENTS; i++) {
- + if (i != handle)
- + others_request |=
- + g_state.client_request[i];
- + }
- + others_request &= ~BCM_POWER_NOCLIENT;
- +
- + global_request = request | others_request;
- + if (global_request != g_state.global_request) {
- + uint32_t actual;
- +
- + /* Send a request to VideoCore */
- + bcm_mailbox_write(MBOX_CHAN_POWER,
- + global_request << 4);
- +
- + /* Wait for a response during power-up */
- + if (global_request & ~g_state.global_request) {
- + rc = bcm_mailbox_read(MBOX_CHAN_POWER,
- + &actual);
- + DPRINTK
- + ("bcm_mailbox_read -> %08x, %d\n",
- + actual, rc);
- + actual >>= 4;
- + } else {
- + rc = 0;
- + actual = global_request;
- + }
- +
- + if (rc == 0) {
- + if (actual != global_request) {
- + printk(KERN_ERR
- + "%s: prev global %x, new global %x, actual %x, request %x, others_request %x\n",
- + __func__,
- + g_state.global_request,
- + global_request, actual, request, others_request);
- + /* A failure */
- + BUG_ON((others_request & actual)
- + != others_request);
- + request &= actual;
- + rc = -EIO;
- + }
- +
- + g_state.global_request = actual;
- + g_state.client_request[handle] =
- + request;
- + }
- + }
- + }
- + up(&g_state.mutex);
- + } else {
- + rc = -EINVAL;
- + }
- + DPRINTK("bcm_power_request -> %d\n", rc);
- + return rc;
- +}
- +EXPORT_SYMBOL_GPL(bcm_power_request);
- +
- +int bcm_power_close(BCM_POWER_HANDLE_T handle)
- +{
- + int rc;
- +
- + DPRINTK("bcm_power_close(%d)\n", handle);
- +
- + rc = bcm_power_request(handle, BCM_POWER_NONE);
- + if (rc == 0)
- + g_state.client_request[handle] = BCM_POWER_NOCLIENT;
- +
- + return rc;
- +}
- +EXPORT_SYMBOL_GPL(bcm_power_close);
- +
- +static int __init bcm_power_init(void)
- +{
- +#if defined(BCM_POWER_ALWAYS_ON)
- + BCM_POWER_HANDLE_T always_on_handle;
- +#endif
- + int rc = 0;
- + int i;
- +
- + printk(KERN_INFO "bcm_power: Broadcom power driver\n");
- + bcm_mailbox_write(MBOX_CHAN_POWER, 0);
- +
- + for (i = 0; i < BCM_POWER_MAXCLIENTS; i++)
- + g_state.client_request[i] = BCM_POWER_NOCLIENT;
- +
- + sema_init(&g_state.client_mutex, 1);
- + sema_init(&g_state.mutex, 1);
- +
- + g_state.global_request = 0;
- +
- +#if defined(BCM_POWER_ALWAYS_ON)
- + if (BCM_POWER_ALWAYS_ON) {
- + bcm_power_open(&always_on_handle);
- + bcm_power_request(always_on_handle, BCM_POWER_ALWAYS_ON);
- + }
- +#endif
- +
- + return rc;
- +}
- +
- +static void __exit bcm_power_exit(void)
- +{
- + bcm_mailbox_write(MBOX_CHAN_POWER, 0);
- +}
- +
- +arch_initcall(bcm_power_init); /* Initialize early */
- +module_exit(bcm_power_exit);
- +
- +MODULE_AUTHOR("Phil Elwell");
- +MODULE_DESCRIPTION("Interface to BCM2708 power management");
- +MODULE_LICENSE("GPL");
- --- /dev/null
- +++ b/arch/arm/mach-bcm2708/vc_mem.c
- @@ -0,0 +1,431 @@
- +/*****************************************************************************
- +* Copyright 2010 - 2011 Broadcom Corporation. All rights reserved.
- +*
- +* Unless you and Broadcom execute a separate written software license
- +* agreement governing use of this software, this software is licensed to you
- +* under the terms of the GNU General Public License version 2, available at
- +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL").
- +*
- +* Notwithstanding the above, under no circumstances may you combine this
- +* software in any way with any other Broadcom software provided under a
- +* license other than the GPL, without Broadcom's express prior written
- +* consent.
- +*****************************************************************************/
- +
- +#include <linux/kernel.h>
- +#include <linux/module.h>
- +#include <linux/fs.h>
- +#include <linux/device.h>
- +#include <linux/cdev.h>
- +#include <linux/mm.h>
- +#include <linux/slab.h>
- +#include <linux/debugfs.h>
- +#include <asm/uaccess.h>
- +#include <linux/dma-mapping.h>
- +
- +#ifdef CONFIG_ARCH_KONA
- +#include <chal/chal_ipc.h>
- +#elif CONFIG_ARCH_BCM2708
- +#else
- +#include <csp/chal_ipc.h>
- +#endif
- +
- +#include "mach/vc_mem.h"
- +#include <mach/vcio.h>
- +
- +#define DRIVER_NAME "vc-mem"
- +
- +// Device (/dev) related variables
- +static dev_t vc_mem_devnum = 0;
- +static struct class *vc_mem_class = NULL;
- +static struct cdev vc_mem_cdev;
- +static int vc_mem_inited = 0;
- +
- +#ifdef CONFIG_DEBUG_FS
- +static struct dentry *vc_mem_debugfs_entry;
- +#endif
- +
- +/*
- + * Videocore memory addresses and size
- + *
- + * Drivers that wish to know the videocore memory addresses and sizes should
- + * use these variables instead of the MM_IO_BASE and MM_ADDR_IO defines in
- + * headers. This allows the other drivers to not be tied down to a a certain
- + * address/size at compile time.
- + *
- + * In the future, the goal is to have the videocore memory virtual address and
- + * size be calculated at boot time rather than at compile time. The decision of
- + * where the videocore memory resides and its size would be in the hands of the
- + * bootloader (and/or kernel). When that happens, the values of these variables
- + * would be calculated and assigned in the init function.
- + */
- +// in the 2835 VC in mapped above ARM, but ARM has full access to VC space
- +unsigned long mm_vc_mem_phys_addr = 0x00000000;
- +unsigned int mm_vc_mem_size = 0;
- +unsigned int mm_vc_mem_base = 0;
- +
- +EXPORT_SYMBOL(mm_vc_mem_phys_addr);
- +EXPORT_SYMBOL(mm_vc_mem_size);
- +EXPORT_SYMBOL(mm_vc_mem_base);
- +
- +static uint phys_addr = 0;
- +static uint mem_size = 0;
- +static uint mem_base = 0;
- +
- +
- +/****************************************************************************
- +*
- +* vc_mem_open
- +*
- +***************************************************************************/
- +
- +static int
- +vc_mem_open(struct inode *inode, struct file *file)
- +{
- + (void) inode;
- + (void) file;
- +
- + pr_debug("%s: called file = 0x%p\n", __func__, file);
- +
- + return 0;
- +}
- +
- +/****************************************************************************
- +*
- +* vc_mem_release
- +*
- +***************************************************************************/
- +
- +static int
- +vc_mem_release(struct inode *inode, struct file *file)
- +{
- + (void) inode;
- + (void) file;
- +
- + pr_debug("%s: called file = 0x%p\n", __func__, file);
- +
- + return 0;
- +}
- +
- +/****************************************************************************
- +*
- +* vc_mem_get_size
- +*
- +***************************************************************************/
- +
- +static void
- +vc_mem_get_size(void)
- +{
- +}
- +
- +/****************************************************************************
- +*
- +* vc_mem_get_base
- +*
- +***************************************************************************/
- +
- +static void
- +vc_mem_get_base(void)
- +{
- +}
- +
- +/****************************************************************************
- +*
- +* vc_mem_get_current_size
- +*
- +***************************************************************************/
- +
- +int
- +vc_mem_get_current_size(void)
- +{
- + return mm_vc_mem_size;
- +}
- +
- +EXPORT_SYMBOL_GPL(vc_mem_get_current_size);
- +
- +/****************************************************************************
- +*
- +* vc_mem_ioctl
- +*
- +***************************************************************************/
- +
- +static long
- +vc_mem_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
- +{
- + int rc = 0;
- +
- + (void) cmd;
- + (void) arg;
- +
- + pr_debug("%s: called file = 0x%p\n", __func__, file);
- +
- + switch (cmd) {
- + case VC_MEM_IOC_MEM_PHYS_ADDR:
- + {
- + pr_debug("%s: VC_MEM_IOC_MEM_PHYS_ADDR=0x%p\n",
- + __func__, (void *) mm_vc_mem_phys_addr);
- +
- + if (copy_to_user((void *) arg, &mm_vc_mem_phys_addr,
- + sizeof (mm_vc_mem_phys_addr)) != 0) {
- + rc = -EFAULT;
- + }
- + break;
- + }
- + case VC_MEM_IOC_MEM_SIZE:
- + {
- + // Get the videocore memory size first
- + vc_mem_get_size();
- +
- + pr_debug("%s: VC_MEM_IOC_MEM_SIZE=%u\n", __func__,
- + mm_vc_mem_size);
- +
- + if (copy_to_user((void *) arg, &mm_vc_mem_size,
- + sizeof (mm_vc_mem_size)) != 0) {
- + rc = -EFAULT;
- + }
- + break;
- + }
- + case VC_MEM_IOC_MEM_BASE:
- + {
- + // Get the videocore memory base
- + vc_mem_get_base();
- +
- + pr_debug("%s: VC_MEM_IOC_MEM_BASE=%u\n", __func__,
- + mm_vc_mem_base);
- +
- + if (copy_to_user((void *) arg, &mm_vc_mem_base,
- + sizeof (mm_vc_mem_base)) != 0) {
- + rc = -EFAULT;
- + }
- + break;
- + }
- + case VC_MEM_IOC_MEM_LOAD:
- + {
- + // Get the videocore memory base
- + vc_mem_get_base();
- +
- + pr_debug("%s: VC_MEM_IOC_MEM_LOAD=%u\n", __func__,
- + mm_vc_mem_base);
- +
- + if (copy_to_user((void *) arg, &mm_vc_mem_base,
- + sizeof (mm_vc_mem_base)) != 0) {
- + rc = -EFAULT;
- + }
- + break;
- + }
- + default:
- + {
- + return -ENOTTY;
- + }
- + }
- + pr_debug("%s: file = 0x%p returning %d\n", __func__, file, rc);
- +
- + return rc;
- +}
- +
- +/****************************************************************************
- +*
- +* vc_mem_mmap
- +*
- +***************************************************************************/
- +
- +static int
- +vc_mem_mmap(struct file *filp, struct vm_area_struct *vma)
- +{
- + int rc = 0;
- + unsigned long length = vma->vm_end - vma->vm_start;
- + unsigned long offset = vma->vm_pgoff << PAGE_SHIFT;
- +
- + pr_debug("%s: vm_start = 0x%08lx vm_end = 0x%08lx vm_pgoff = 0x%08lx\n",
- + __func__, (long) vma->vm_start, (long) vma->vm_end,
- + (long) vma->vm_pgoff);
- +
- + if (offset + length > mm_vc_mem_size) {
- + pr_err("%s: length %ld is too big\n", __func__, length);
- + return -EINVAL;
- + }
- + // Do not cache the memory map
- + vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
- +
- + rc = remap_pfn_range(vma, vma->vm_start,
- + (mm_vc_mem_phys_addr >> PAGE_SHIFT) +
- + vma->vm_pgoff, length, vma->vm_page_prot);
- + if (rc != 0) {
- + pr_err("%s: remap_pfn_range failed (rc=%d)\n", __func__, rc);
- + }
- +
- + return rc;
- +}
- +
- +/****************************************************************************
- +*
- +* File Operations for the driver.
- +*
- +***************************************************************************/
- +
- +static const struct file_operations vc_mem_fops = {
- + .owner = THIS_MODULE,
- + .open = vc_mem_open,
- + .release = vc_mem_release,
- + .unlocked_ioctl = vc_mem_ioctl,
- + .mmap = vc_mem_mmap,
- +};
- +
- +#ifdef CONFIG_DEBUG_FS
- +static void vc_mem_debugfs_deinit(void)
- +{
- + debugfs_remove_recursive(vc_mem_debugfs_entry);
- + vc_mem_debugfs_entry = NULL;
- +}
- +
- +
- +static int vc_mem_debugfs_init(
- + struct device *dev)
- +{
- + vc_mem_debugfs_entry = debugfs_create_dir(DRIVER_NAME, NULL);
- + if (!vc_mem_debugfs_entry) {
- + dev_warn(dev, "could not create debugfs entry\n");
- + return -EFAULT;
- + }
- +
- + if (!debugfs_create_x32("vc_mem_phys_addr",
- + 0444,
- + vc_mem_debugfs_entry,
- + (u32 *)&mm_vc_mem_phys_addr)) {
- + dev_warn(dev, "%s:could not create vc_mem_phys entry\n",
- + __func__);
- + goto fail;
- + }
- +
- + if (!debugfs_create_x32("vc_mem_size",
- + 0444,
- + vc_mem_debugfs_entry,
- + (u32 *)&mm_vc_mem_size)) {
- + dev_warn(dev, "%s:could not create vc_mem_size entry\n",
- + __func__);
- + goto fail;
- + }
- +
- + if (!debugfs_create_x32("vc_mem_base",
- + 0444,
- + vc_mem_debugfs_entry,
- + (u32 *)&mm_vc_mem_base)) {
- + dev_warn(dev, "%s:could not create vc_mem_base entry\n",
- + __func__);
- + goto fail;
- + }
- +
- + return 0;
- +
- +fail:
- + vc_mem_debugfs_deinit();
- + return -EFAULT;
- +}
- +
- +#endif /* CONFIG_DEBUG_FS */
- +
- +
- +/****************************************************************************
- +*
- +* vc_mem_init
- +*
- +***************************************************************************/
- +
- +static int __init
- +vc_mem_init(void)
- +{
- + int rc = -EFAULT;
- + struct device *dev;
- +
- + pr_debug("%s: called\n", __func__);
- +
- + mm_vc_mem_phys_addr = phys_addr;
- + mm_vc_mem_size = mem_size;
- + mm_vc_mem_base = mem_base;
- +
- + vc_mem_get_size();
- +
- + pr_info("vc-mem: phys_addr:0x%08lx mem_base=0x%08x mem_size:0x%08x(%u MiB)\n",
- + mm_vc_mem_phys_addr, mm_vc_mem_base, mm_vc_mem_size, mm_vc_mem_size / (1024 * 1024));
- +
- + if ((rc = alloc_chrdev_region(&vc_mem_devnum, 0, 1, DRIVER_NAME)) < 0) {
- + pr_err("%s: alloc_chrdev_region failed (rc=%d)\n",
- + __func__, rc);
- + goto out_err;
- + }
- +
- + cdev_init(&vc_mem_cdev, &vc_mem_fops);
- + if ((rc = cdev_add(&vc_mem_cdev, vc_mem_devnum, 1)) != 0) {
- + pr_err("%s: cdev_add failed (rc=%d)\n", __func__, rc);
- + goto out_unregister;
- + }
- +
- + vc_mem_class = class_create(THIS_MODULE, DRIVER_NAME);
- + if (IS_ERR(vc_mem_class)) {
- + rc = PTR_ERR(vc_mem_class);
- + pr_err("%s: class_create failed (rc=%d)\n", __func__, rc);
- + goto out_cdev_del;
- + }
- +
- + dev = device_create(vc_mem_class, NULL, vc_mem_devnum, NULL,
- + DRIVER_NAME);
- + if (IS_ERR(dev)) {
- + rc = PTR_ERR(dev);
- + pr_err("%s: device_create failed (rc=%d)\n", __func__, rc);
- + goto out_class_destroy;
- + }
- +
- +#ifdef CONFIG_DEBUG_FS
- + /* don't fail if the debug entries cannot be created */
- + vc_mem_debugfs_init(dev);
- +#endif
- +
- + vc_mem_inited = 1;
- + return 0;
- +
- + device_destroy(vc_mem_class, vc_mem_devnum);
- +
- + out_class_destroy:
- + class_destroy(vc_mem_class);
- + vc_mem_class = NULL;
- +
- + out_cdev_del:
- + cdev_del(&vc_mem_cdev);
- +
- + out_unregister:
- + unregister_chrdev_region(vc_mem_devnum, 1);
- +
- + out_err:
- + return -1;
- +}
- +
- +/****************************************************************************
- +*
- +* vc_mem_exit
- +*
- +***************************************************************************/
- +
- +static void __exit
- +vc_mem_exit(void)
- +{
- + pr_debug("%s: called\n", __func__);
- +
- + if (vc_mem_inited) {
- +#if CONFIG_DEBUG_FS
- + vc_mem_debugfs_deinit();
- +#endif
- + device_destroy(vc_mem_class, vc_mem_devnum);
- + class_destroy(vc_mem_class);
- + cdev_del(&vc_mem_cdev);
- + unregister_chrdev_region(vc_mem_devnum, 1);
- + }
- +}
- +
- +module_init(vc_mem_init);
- +module_exit(vc_mem_exit);
- +MODULE_LICENSE("GPL");
- +MODULE_AUTHOR("Broadcom Corporation");
- +
- +module_param(phys_addr, uint, 0644);
- +module_param(mem_size, uint, 0644);
- +module_param(mem_base, uint, 0644);
- --- /dev/null
- +++ b/arch/arm/mach-bcm2708/vcio.c
- @@ -0,0 +1,474 @@
- +/*
- + * linux/arch/arm/mach-bcm2708/vcio.c
- + *
- + * Copyright (C) 2010 Broadcom
- + *
- + * 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.
- + *
- + * This device provides a shared mechanism for writing to the mailboxes,
- + * semaphores, doorbells etc. that are shared between the ARM and the
- + * VideoCore processor
- + */
- +
- +#if defined(CONFIG_SERIAL_BCM_MBOX_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ)
- +#define SUPPORT_SYSRQ
- +#endif
- +
- +#include <linux/module.h>
- +#include <linux/console.h>
- +#include <linux/serial_core.h>
- +#include <linux/serial.h>
- +#include <linux/errno.h>
- +#include <linux/device.h>
- +#include <linux/init.h>
- +#include <linux/mm.h>
- +#include <linux/dma-mapping.h>
- +#include <linux/platform_device.h>
- +#include <linux/sysrq.h>
- +#include <linux/delay.h>
- +#include <linux/slab.h>
- +#include <linux/interrupt.h>
- +#include <linux/irq.h>
- +
- +#include <linux/io.h>
- +
- +#include <mach/vcio.h>
- +#include <mach/platform.h>
- +
- +#include <asm/uaccess.h>
- +
- +
- +#define DRIVER_NAME BCM_VCIO_DRIVER_NAME
- +
- +/* ----------------------------------------------------------------------
- + * Mailbox
- + * -------------------------------------------------------------------- */
- +
- +/* offsets from a mail box base address */
- +#define MAIL_WRT 0x00 /* write - and next 4 words */
- +#define MAIL_RD 0x00 /* read - and next 4 words */
- +#define MAIL_POL 0x10 /* read without popping the fifo */
- +#define MAIL_SND 0x14 /* sender ID (bottom two bits) */
- +#define MAIL_STA 0x18 /* status */
- +#define MAIL_CNF 0x1C /* configuration */
- +
- +#define MBOX_MSG(chan, data28) (((data28) & ~0xf) | ((chan) & 0xf))
- +#define MBOX_MSG_LSB(chan, data28) (((data28) << 4) | ((chan) & 0xf))
- +#define MBOX_CHAN(msg) ((msg) & 0xf)
- +#define MBOX_DATA28(msg) ((msg) & ~0xf)
- +#define MBOX_DATA28_LSB(msg) (((uint32_t)msg) >> 4)
- +
- +#define MBOX_MAGIC 0xd0d0c0de
- +
- +struct vc_mailbox {
- + struct device *dev; /* parent device */
- + void __iomem *status;
- + void __iomem *config;
- + void __iomem *read;
- + void __iomem *write;
- + uint32_t msg[MBOX_CHAN_COUNT];
- + struct semaphore sema[MBOX_CHAN_COUNT];
- + uint32_t magic;
- +};
- +
- +static void mbox_init(struct vc_mailbox *mbox_out, struct device *dev,
- + uint32_t addr_mbox)
- +{
- + int i;
- +
- + mbox_out->dev = dev;
- + mbox_out->status = __io_address(addr_mbox + MAIL_STA);
- + mbox_out->config = __io_address(addr_mbox + MAIL_CNF);
- + mbox_out->read = __io_address(addr_mbox + MAIL_RD);
- + /* Write to the other mailbox */
- + mbox_out->write =
- + __io_address((addr_mbox ^ ARM_0_MAIL0_WRT ^ ARM_0_MAIL1_WRT) +
- + MAIL_WRT);
- +
- + for (i = 0; i < MBOX_CHAN_COUNT; i++) {
- + mbox_out->msg[i] = 0;
- + sema_init(&mbox_out->sema[i], 0);
- + }
- +
- + /* Enable the interrupt on data reception */
- + writel(ARM_MC_IHAVEDATAIRQEN, mbox_out->config);
- +
- + mbox_out->magic = MBOX_MAGIC;
- +}
- +
- +static int mbox_write(struct vc_mailbox *mbox, unsigned chan, uint32_t data28)
- +{
- + int rc;
- +
- + if (mbox->magic != MBOX_MAGIC)
- + rc = -EINVAL;
- + else {
- + /* wait for the mailbox FIFO to have some space in it */
- + while (0 != (readl(mbox->status) & ARM_MS_FULL))
- + cpu_relax();
- +
- + writel(MBOX_MSG(chan, data28), mbox->write);
- + rc = 0;
- + }
- + return rc;
- +}
- +
- +static int mbox_read(struct vc_mailbox *mbox, unsigned chan, uint32_t *data28)
- +{
- + int rc;
- +
- + if (mbox->magic != MBOX_MAGIC)
- + rc = -EINVAL;
- + else {
- + down(&mbox->sema[chan]);
- + *data28 = MBOX_DATA28(mbox->msg[chan]);
- + mbox->msg[chan] = 0;
- + rc = 0;
- + }
- + return rc;
- +}
- +
- +static irqreturn_t mbox_irq(int irq, void *dev_id)
- +{
- + /* wait for the mailbox FIFO to have some data in it */
- + struct vc_mailbox *mbox = (struct vc_mailbox *) dev_id;
- + int status = readl(mbox->status);
- + int ret = IRQ_NONE;
- +
- + while (!(status & ARM_MS_EMPTY)) {
- + uint32_t msg = readl(mbox->read);
- + int chan = MBOX_CHAN(msg);
- + if (chan < MBOX_CHAN_COUNT) {
- + if (mbox->msg[chan]) {
- + /* Overflow */
- + printk(KERN_ERR DRIVER_NAME
- + ": mbox chan %d overflow - drop %08x\n",
- + chan, msg);
- + } else {
- + mbox->msg[chan] = (msg | 0xf);
- + up(&mbox->sema[chan]);
- + }
- + } else {
- + printk(KERN_ERR DRIVER_NAME
- + ": invalid channel selector (msg %08x)\n", msg);
- + }
- + ret = IRQ_HANDLED;
- + status = readl(mbox->status);
- + }
- + return ret;
- +}
- +
- +static struct irqaction mbox_irqaction = {
- + .name = "ARM Mailbox IRQ",
- + .flags = IRQF_DISABLED | IRQF_IRQPOLL,
- + .handler = mbox_irq,
- +};
- +
- +/* ----------------------------------------------------------------------
- + * Mailbox Methods
- + * -------------------------------------------------------------------- */
- +
- +static struct device *mbox_dev; /* we assume there's only one! */
- +
- +static int dev_mbox_write(struct device *dev, unsigned chan, uint32_t data28)
- +{
- + int rc;
- +
- + struct vc_mailbox *mailbox = dev_get_drvdata(dev);
- + device_lock(dev);
- + rc = mbox_write(mailbox, chan, data28);
- + device_unlock(dev);
- +
- + return rc;
- +}
- +
- +static int dev_mbox_read(struct device *dev, unsigned chan, uint32_t *data28)
- +{
- + int rc;
- +
- + struct vc_mailbox *mailbox = dev_get_drvdata(dev);
- + device_lock(dev);
- + rc = mbox_read(mailbox, chan, data28);
- + device_unlock(dev);
- +
- + return rc;
- +}
- +
- +extern int bcm_mailbox_write(unsigned chan, uint32_t data28)
- +{
- + if (mbox_dev)
- + return dev_mbox_write(mbox_dev, chan, data28);
- + else
- + return -ENODEV;
- +}
- +EXPORT_SYMBOL_GPL(bcm_mailbox_write);
- +
- +extern int bcm_mailbox_read(unsigned chan, uint32_t *data28)
- +{
- + if (mbox_dev)
- + return dev_mbox_read(mbox_dev, chan, data28);
- + else
- + return -ENODEV;
- +}
- +EXPORT_SYMBOL_GPL(bcm_mailbox_read);
- +
- +static void dev_mbox_register(const char *dev_name, struct device *dev)
- +{
- + mbox_dev = dev;
- +}
- +
- +static int mbox_copy_from_user(void *dst, const void *src, int size)
- +{
- + if ( (uint32_t)src < TASK_SIZE)
- + {
- + return copy_from_user(dst, src, size);
- + }
- + else
- + {
- + memcpy( dst, src, size );
- + return 0;
- + }
- +}
- +
- +static int mbox_copy_to_user(void *dst, const void *src, int size)
- +{
- + if ( (uint32_t)dst < TASK_SIZE)
- + {
- + return copy_to_user(dst, src, size);
- + }
- + else
- + {
- + memcpy( dst, src, size );
- + return 0;
- + }
- +}
- +
- +static DEFINE_MUTEX(mailbox_lock);
- +extern int bcm_mailbox_property(void *data, int size)
- +{
- + uint32_t success;
- + dma_addr_t mem_bus; /* the memory address accessed from videocore */
- + void *mem_kern; /* the memory address accessed from driver */
- + int s = 0;
- +
- + mutex_lock(&mailbox_lock);
- + /* allocate some memory for the messages communicating with GPU */
- + mem_kern = dma_alloc_coherent(NULL, PAGE_ALIGN(size), &mem_bus, GFP_ATOMIC);
- + if (mem_kern) {
- + /* create the message */
- + mbox_copy_from_user(mem_kern, data, size);
- +
- + /* send the message */
- + wmb();
- + s = bcm_mailbox_write(MBOX_CHAN_PROPERTY, (uint32_t)mem_bus);
- + if (s == 0) {
- + s = bcm_mailbox_read(MBOX_CHAN_PROPERTY, &success);
- + }
- + if (s == 0) {
- + /* copy the response */
- + rmb();
- + mbox_copy_to_user(data, mem_kern, size);
- + }
- + dma_free_coherent(NULL, PAGE_ALIGN(size), mem_kern, mem_bus);
- + } else {
- + s = -ENOMEM;
- + }
- + if (s != 0)
- + printk(KERN_ERR DRIVER_NAME ": %s failed (%d)\n", __func__, s);
- +
- + mutex_unlock(&mailbox_lock);
- + return s;
- +}
- +EXPORT_SYMBOL_GPL(bcm_mailbox_property);
- +
- +/* ----------------------------------------------------------------------
- + * Platform Device for Mailbox
- + * -------------------------------------------------------------------- */
- +
- +/*
- + * Is the device open right now? Used to prevent
- + * concurent access into the same device
- + */
- +static int Device_Open = 0;
- +
- +/*
- + * This is called whenever a process attempts to open the device file
- + */
- +static int device_open(struct inode *inode, struct file *file)
- +{
- + /*
- + * We don't want to talk to two processes at the same time
- + */
- + if (Device_Open)
- + return -EBUSY;
- +
- + Device_Open++;
- + /*
- + * Initialize the message
- + */
- + try_module_get(THIS_MODULE);
- + return 0;
- +}
- +
- +static int device_release(struct inode *inode, struct file *file)
- +{
- + /*
- + * We're now ready for our next caller
- + */
- + Device_Open--;
- +
- + module_put(THIS_MODULE);
- + return 0;
- +}
- +
- +/*
- + * This function is called whenever a process tries to do an ioctl on our
- + * device file. We get two extra parameters (additional to the inode and file
- + * structures, which all device functions get): the number of the ioctl called
- + * and the parameter given to the ioctl function.
- + *
- + * If the ioctl is write or read/write (meaning output is returned to the
- + * calling process), the ioctl call returns the output of this function.
- + *
- + */
- +static long device_ioctl(struct file *file, /* see include/linux/fs.h */
- + unsigned int ioctl_num, /* number and param for ioctl */
- + unsigned long ioctl_param)
- +{
- + unsigned size;
- + /*
- + * Switch according to the ioctl called
- + */
- + switch (ioctl_num) {
- + case IOCTL_MBOX_PROPERTY:
- + /*
- + * Receive a pointer to a message (in user space) and set that
- + * to be the device's message. Get the parameter given to
- + * ioctl by the process.
- + */
- + mbox_copy_from_user(&size, (void *)ioctl_param, sizeof size);
- + return bcm_mailbox_property((void *)ioctl_param, size);
- + break;
- + default:
- + printk(KERN_ERR DRIVER_NAME "unknown ioctl: %d\n", ioctl_num);
- + return -EINVAL;
- + }
- +
- + return 0;
- +}
- +
- +/* Module Declarations */
- +
- +/*
- + * This structure will hold the functions to be called
- + * when a process does something to the device we
- + * created. Since a pointer to this structure is kept in
- + * the devices table, it can't be local to
- + * init_module. NULL is for unimplemented functios.
- + */
- +struct file_operations fops = {
- + .unlocked_ioctl = device_ioctl,
- + .open = device_open,
- + .release = device_release, /* a.k.a. close */
- +};
- +
- +static int bcm_vcio_probe(struct platform_device *pdev)
- +{
- + int ret = 0;
- + struct vc_mailbox *mailbox;
- +
- + mailbox = kzalloc(sizeof(*mailbox), GFP_KERNEL);
- + if (NULL == mailbox) {
- + printk(KERN_ERR DRIVER_NAME ": failed to allocate "
- + "mailbox memory\n");
- + ret = -ENOMEM;
- + } else {
- + struct resource *res;
- +
- + res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- + if (res == NULL) {
- + printk(KERN_ERR DRIVER_NAME ": failed to obtain memory "
- + "resource\n");
- + ret = -ENODEV;
- + kfree(mailbox);
- + } else {
- + /* should be based on the registers from res really */
- + mbox_init(mailbox, &pdev->dev, ARM_0_MAIL0_RD);
- +
- + platform_set_drvdata(pdev, mailbox);
- + dev_mbox_register(DRIVER_NAME, &pdev->dev);
- +
- + mbox_irqaction.dev_id = mailbox;
- + setup_irq(IRQ_ARM_MAILBOX, &mbox_irqaction);
- + printk(KERN_INFO DRIVER_NAME ": mailbox at %p\n",
- + __io_address(ARM_0_MAIL0_RD));
- + }
- + }
- +
- + if (ret == 0) {
- + /*
- + * Register the character device
- + */
- + ret = register_chrdev(MAJOR_NUM, DEVICE_FILE_NAME, &fops);
- +
- + /*
- + * Negative values signify an error
- + */
- + if (ret < 0) {
- + printk(KERN_ERR DRIVER_NAME
- + "Failed registering the character device %d\n", ret);
- + return ret;
- + }
- + }
- + return ret;
- +}
- +
- +static int bcm_vcio_remove(struct platform_device *pdev)
- +{
- + struct vc_mailbox *mailbox = platform_get_drvdata(pdev);
- +
- + platform_set_drvdata(pdev, NULL);
- + kfree(mailbox);
- +
- + return 0;
- +}
- +
- +static struct platform_driver bcm_mbox_driver = {
- + .probe = bcm_vcio_probe,
- + .remove = bcm_vcio_remove,
- +
- + .driver = {
- + .name = DRIVER_NAME,
- + .owner = THIS_MODULE,
- + },
- +};
- +
- +static int __init bcm_mbox_init(void)
- +{
- + int ret;
- +
- + printk(KERN_INFO "mailbox: Broadcom VideoCore Mailbox driver\n");
- +
- + ret = platform_driver_register(&bcm_mbox_driver);
- + if (ret != 0) {
- + printk(KERN_ERR DRIVER_NAME ": failed to register "
- + "on platform\n");
- + }
- +
- + return ret;
- +}
- +
- +static void __exit bcm_mbox_exit(void)
- +{
- + platform_driver_unregister(&bcm_mbox_driver);
- +}
- +
- +arch_initcall(bcm_mbox_init); /* Initialize early */
- +module_exit(bcm_mbox_exit);
- +
- +MODULE_AUTHOR("Gray Girling");
- +MODULE_DESCRIPTION("ARM I/O to VideoCore processor");
- +MODULE_LICENSE("GPL");
- +MODULE_ALIAS("platform:bcm-mbox");
- --- a/arch/arm/mm/Kconfig
- +++ b/arch/arm/mm/Kconfig
- @@ -358,7 +358,7 @@ config CPU_PJ4B
-
- # ARMv6
- config CPU_V6
- - bool "Support ARM V6 processor" if ARCH_INTEGRATOR || MACH_REALVIEW_EB || MACH_REALVIEW_PBX
- + bool "Support ARM V6 processor" if ARCH_INTEGRATOR || MACH_REALVIEW_EB || MACH_REALVIEW_PBX || MACH_BCM2708
- select CPU_32v6
- select CPU_ABRT_EV6
- select CPU_CACHE_V6
- --- a/arch/arm/mm/proc-v6.S
- +++ b/arch/arm/mm/proc-v6.S
- @@ -73,10 +73,19 @@ ENDPROC(cpu_v6_reset)
- *
- * IRQs are already disabled.
- */
- +
- +/* See jira SW-5991 for details of this workaround */
- ENTRY(cpu_v6_do_idle)
- - mov r1, #0
- - mcr p15, 0, r1, c7, c10, 4 @ DWB - WFI may enter a low-power mode
- - mcr p15, 0, r1, c7, c0, 4 @ wait for interrupt
- + .align 5
- + mov r1, #2
- +1: subs r1, #1
- + nop
- + mcreq p15, 0, r1, c7, c10, 4 @ DWB - WFI may enter a low-power mode
- + mcreq p15, 0, r1, c7, c0, 4 @ wait for interrupt
- + nop
- + nop
- + nop
- + bne 1b
- ret lr
-
- ENTRY(cpu_v6_dcache_clean_area)
- --- a/arch/arm/tools/mach-types
- +++ b/arch/arm/tools/mach-types
- @@ -522,6 +522,7 @@ torbreck MACH_TORBRECK TORBRECK 3090
- prima2_evb MACH_PRIMA2_EVB PRIMA2_EVB 3103
- paz00 MACH_PAZ00 PAZ00 3128
- acmenetusfoxg20 MACH_ACMENETUSFOXG20 ACMENETUSFOXG20 3129
- +bcm2708 MACH_BCM2708 BCM2708 3138
- ag5evm MACH_AG5EVM AG5EVM 3189
- ics_if_voip MACH_ICS_IF_VOIP ICS_IF_VOIP 3206
- wlf_cragg_6410 MACH_WLF_CRAGG_6410 WLF_CRAGG_6410 3207
- --- a/drivers/tty/serial/amba-pl011.c
- +++ b/drivers/tty/serial/amba-pl011.c
- @@ -84,7 +84,7 @@ struct vendor_data {
-
- static unsigned int get_fifosize_arm(struct amba_device *dev)
- {
- - return amba_rev(dev) < 3 ? 16 : 32;
- + return 16; //TODO: fix: amba_rev(dev) < 3 ? 16 : 32;
- }
-
- static struct vendor_data vendor_arm = {
- --- a/include/linux/mmc/host.h
- +++ b/include/linux/mmc/host.h
- @@ -290,6 +290,7 @@ struct mmc_host {
- #define MMC_CAP2_HS400 (MMC_CAP2_HS400_1_8V | \
- MMC_CAP2_HS400_1_2V)
- #define MMC_CAP2_SDIO_IRQ_NOTHREAD (1 << 17)
- +#define MMC_CAP2_FORCE_MULTIBLOCK (1 << 31) /* Always use multiblock transfers */
-
- mmc_pm_flag_t pm_caps; /* supported pm features */
-
- --- a/include/linux/mmc/sdhci.h
- +++ b/include/linux/mmc/sdhci.h
- @@ -130,6 +130,7 @@ struct sdhci_host {
- #define SDHCI_SDIO_IRQ_ENABLED (1<<9) /* SDIO irq enabled */
- #define SDHCI_SDR104_NEEDS_TUNING (1<<10) /* SDR104/HS200 needs tuning */
- #define SDHCI_USING_RETUNING_TIMER (1<<11) /* Host is using a retuning timer for the card */
- +#define SDHCI_USE_PLATDMA (1<<12) /* Host uses 3rd party DMA */
-
- unsigned int version; /* SDHCI spec. version */
-
|