From 08891f5b4dedf2c490371cef6af91f3b7475282d Mon Sep 17 00:00:00 2001 From: popcornmix Date: Tue, 7 May 2013 14:32:27 +0100 Subject: [PATCH 089/114] Add 2709 platform for Raspberry Pi 2 --- arch/arm/Kconfig | 21 + arch/arm/Makefile | 1 + arch/arm/boot/dts/Makefile | 11 +- arch/arm/boot/dts/bcm2709-rpi-2-b.dts | 101 ++ arch/arm/boot/dts/bcm2709.dtsi | 159 +++ arch/arm/configs/bcm2709_defconfig | 1149 ++++++++++++++++++++ arch/arm/configs/bcm2709_sdcard_defconfig | 129 +++ arch/arm/configs/bcm2709_small_defconfig | 61 ++ arch/arm/configs/bcm2835_sdcard_defconfig | 176 +++ arch/arm/configs/bcmrpi_sdcard_defconfig | 176 +++ arch/arm/configs/bcmrpi_small_defconfig | 103 ++ arch/arm/kernel/head.S | 8 + arch/arm/mach-bcm2709/Kconfig | 49 + arch/arm/mach-bcm2709/Makefile | 7 + arch/arm/mach-bcm2709/Makefile.boot | 3 + arch/arm/mach-bcm2709/armctrl.c | 357 +++++++ arch/arm/mach-bcm2709/armctrl.h | 27 + arch/arm/mach-bcm2709/bcm2708_gpio.c | 426 ++++++++ arch/arm/mach-bcm2709/bcm2709.c | 1237 ++++++++++++++++++++++ arch/arm/mach-bcm2709/bcm2709.h | 49 + arch/arm/mach-bcm2709/clock.c | 61 ++ arch/arm/mach-bcm2709/clock.h | 24 + arch/arm/mach-bcm2709/delay.S | 21 + arch/arm/mach-bcm2709/dma.c | 409 +++++++ arch/arm/mach-bcm2709/dmaer.c | 886 ++++++++++++++++ arch/arm/mach-bcm2709/include/mach/arm_control.h | 493 +++++++++ arch/arm/mach-bcm2709/include/mach/arm_power.h | 62 ++ arch/arm/mach-bcm2709/include/mach/barriers.h | 3 + arch/arm/mach-bcm2709/include/mach/clkdev.h | 7 + arch/arm/mach-bcm2709/include/mach/debug-macro.S | 22 + arch/arm/mach-bcm2709/include/mach/dma.h | 94 ++ arch/arm/mach-bcm2709/include/mach/entry-macro.S | 123 +++ arch/arm/mach-bcm2709/include/mach/frc.h | 38 + arch/arm/mach-bcm2709/include/mach/gpio.h | 17 + arch/arm/mach-bcm2709/include/mach/hardware.h | 28 + arch/arm/mach-bcm2709/include/mach/io.h | 27 + arch/arm/mach-bcm2709/include/mach/irqs.h | 225 ++++ arch/arm/mach-bcm2709/include/mach/memory.h | 57 + arch/arm/mach-bcm2709/include/mach/platform.h | 225 ++++ arch/arm/mach-bcm2709/include/mach/power.h | 26 + arch/arm/mach-bcm2709/include/mach/system.h | 38 + arch/arm/mach-bcm2709/include/mach/timex.h | 23 + arch/arm/mach-bcm2709/include/mach/uncompress.h | 84 ++ arch/arm/mach-bcm2709/include/mach/vc_mem.h | 35 + arch/arm/mach-bcm2709/include/mach/vc_support.h | 69 ++ arch/arm/mach-bcm2709/include/mach/vcio.h | 165 +++ arch/arm/mach-bcm2709/include/mach/vmalloc.h | 20 + arch/arm/mach-bcm2709/power.c | 195 ++++ arch/arm/mach-bcm2709/vc_mem.c | 431 ++++++++ arch/arm/mach-bcm2709/vc_support.c | 318 ++++++ arch/arm/mach-bcm2709/vcio.c | 474 +++++++++ arch/arm/mm/proc-v7.S | 1 + arch/arm/tools/mach-types | 1 + drivers/char/hw_random/Kconfig | 2 +- drivers/clocksource/arm_arch_timer.c | 36 + drivers/dma/Kconfig | 2 +- drivers/i2c/busses/Kconfig | 4 +- drivers/media/platform/bcm2835/Kconfig | 2 +- drivers/misc/vc04_services/Kconfig | 2 +- drivers/misc/vc04_services/Makefile | 3 - drivers/mmc/host/Kconfig | 2 +- drivers/spi/Kconfig | 4 +- drivers/watchdog/Kconfig | 2 +- sound/arm/Kconfig | 2 +- sound/soc/bcm/Kconfig | 2 +- 65 files changed, 8999 insertions(+), 16 deletions(-) create mode 100644 arch/arm/boot/dts/bcm2709-rpi-2-b.dts create mode 100644 arch/arm/boot/dts/bcm2709.dtsi create mode 100644 arch/arm/configs/bcm2709_defconfig create mode 100644 arch/arm/configs/bcm2709_sdcard_defconfig create mode 100644 arch/arm/configs/bcm2709_small_defconfig create mode 100644 arch/arm/configs/bcm2835_sdcard_defconfig create mode 100644 arch/arm/configs/bcmrpi_sdcard_defconfig create mode 100644 arch/arm/configs/bcmrpi_small_defconfig create mode 100644 arch/arm/mach-bcm2709/Kconfig create mode 100644 arch/arm/mach-bcm2709/Makefile create mode 100644 arch/arm/mach-bcm2709/Makefile.boot create mode 100644 arch/arm/mach-bcm2709/armctrl.c create mode 100644 arch/arm/mach-bcm2709/armctrl.h create mode 100644 arch/arm/mach-bcm2709/bcm2708_gpio.c create mode 100644 arch/arm/mach-bcm2709/bcm2709.c create mode 100644 arch/arm/mach-bcm2709/bcm2709.h create mode 100644 arch/arm/mach-bcm2709/clock.c create mode 100644 arch/arm/mach-bcm2709/clock.h create mode 100644 arch/arm/mach-bcm2709/delay.S create mode 100644 arch/arm/mach-bcm2709/dma.c create mode 100755 arch/arm/mach-bcm2709/dmaer.c create mode 100644 arch/arm/mach-bcm2709/include/mach/arm_control.h create mode 100644 arch/arm/mach-bcm2709/include/mach/arm_power.h create mode 100644 arch/arm/mach-bcm2709/include/mach/barriers.h create mode 100644 arch/arm/mach-bcm2709/include/mach/clkdev.h create mode 100644 arch/arm/mach-bcm2709/include/mach/debug-macro.S create mode 100644 arch/arm/mach-bcm2709/include/mach/dma.h create mode 100644 arch/arm/mach-bcm2709/include/mach/entry-macro.S create mode 100644 arch/arm/mach-bcm2709/include/mach/frc.h create mode 100644 arch/arm/mach-bcm2709/include/mach/gpio.h create mode 100644 arch/arm/mach-bcm2709/include/mach/hardware.h create mode 100644 arch/arm/mach-bcm2709/include/mach/io.h create mode 100644 arch/arm/mach-bcm2709/include/mach/irqs.h create mode 100644 arch/arm/mach-bcm2709/include/mach/memory.h create mode 100644 arch/arm/mach-bcm2709/include/mach/platform.h create mode 100644 arch/arm/mach-bcm2709/include/mach/power.h create mode 100644 arch/arm/mach-bcm2709/include/mach/system.h create mode 100644 arch/arm/mach-bcm2709/include/mach/timex.h create mode 100644 arch/arm/mach-bcm2709/include/mach/uncompress.h create mode 100644 arch/arm/mach-bcm2709/include/mach/vc_mem.h create mode 100755 arch/arm/mach-bcm2709/include/mach/vc_support.h create mode 100644 arch/arm/mach-bcm2709/include/mach/vcio.h create mode 100644 arch/arm/mach-bcm2709/include/mach/vmalloc.h create mode 100644 arch/arm/mach-bcm2709/power.c create mode 100644 arch/arm/mach-bcm2709/vc_mem.c create mode 100755 arch/arm/mach-bcm2709/vc_support.c create mode 100644 arch/arm/mach-bcm2709/vcio.c --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -803,6 +803,26 @@ config ARCH_OMAP1 help Support for older TI OMAP1 (omap7xx, omap15xx or omap16xx) +config ARCH_BCM2709 + bool "Broadcom BCM2709 family" + select ARCH_HAS_BARRIERS if SMP + select CPU_V7 + select HAVE_SMP + select ARM_AMBA + select MIGHT_HAVE_CACHE_L2X0 + select HAVE_SCHED_CLOCK + select NEED_MACH_MEMORY_H + select NEED_MACH_IO_H + select COMMON_CLK + select ARCH_HAS_CPUFREQ + select GENERIC_CLOCKEVENTS + select MACH_BCM2709 + select VC4 + select FIQ +# select ZONE_DMA + help + This enables support for Broadcom BCM2709 boards. + endchoice menu "Multiple platform selection" @@ -990,6 +1010,7 @@ source "arch/arm/mach-vt8500/Kconfig" source "arch/arm/mach-w90x900/Kconfig" source "arch/arm/mach-bcm2708/Kconfig" +source "arch/arm/mach-bcm2709/Kconfig" source "arch/arm/mach-zynq/Kconfig" --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -152,6 +152,7 @@ machine-$(CONFIG_ARCH_AT91) += at91 machine-$(CONFIG_ARCH_AXXIA) += axxia machine-$(CONFIG_ARCH_BCM) += bcm machine-$(CONFIG_ARCH_BCM2708) += bcm2708 +machine-$(CONFIG_ARCH_BCM2709) += bcm2709 machine-$(CONFIG_ARCH_BERLIN) += berlin machine-$(CONFIG_ARCH_CLPS711X) += clps711x machine-$(CONFIG_ARCH_CNS3XXX) += cns3xxx --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -53,6 +53,14 @@ dtb-$(CONFIG_ARCH_AT91) += at91-sama5d4e dtb-$(CONFIG_ARCH_ATLAS6) += atlas6-evb.dtb dtb-$(CONFIG_ARCH_AXXIA) += axm5516-amarillo.dtb + +# Raspberry Pi +ifeq ($(CONFIG_BCM2708_DT),y) + RPI_DT_OVERLAYS=y +endif +ifeq ($(CONFIG_BCM2709_DT),y) + RPI_DT_OVERLAYS=y +endif dtb-$(CONFIG_BCM2708_DT) += bcm2708-rpi-b.dtb dtb-$(CONFIG_BCM2708_DT) += bcm2708-rpi-b-plus.dtb dtb-$(CONFIG_BCM2708_DT) += hifiberry-dac-overlay.dtb @@ -68,6 +76,7 @@ dtb-$(CONFIG_BCM2708_DT) += ds1307-rtc-o dtb-$(CONFIG_BCM2708_DT) += w1-gpio-overlay.dtb dtb-$(CONFIG_BCM2708_DT) += w1-gpio-pullup-overlay.dtb dtb-$(CONFIG_ARCH_BCM2835) += bcm2835-rpi-b.dtb + dtb-$(CONFIG_ARCH_BCM_5301X) += bcm4708-netgear-r6250.dtb dtb-$(CONFIG_ARCH_BCM_63XX) += bcm963138dvt.dtb dtb-$(CONFIG_ARCH_BCM_MOBILE) += bcm28155-ap.dtb \ @@ -537,7 +546,7 @@ targets += $(dtb-y) endif # Enable fixups to support overlays on BCM2708 platforms -ifeq ($(CONFIG_BCM2708_DT),y) +ifeq ($(RPI_DT_OVERLAYS),y) DTC_FLAGS ?= -@ endif --- /dev/null +++ b/arch/arm/boot/dts/bcm2709-rpi-2-b.dts @@ -0,0 +1,101 @@ +/dts-v1/; + +/include/ "bcm2709.dtsi" + +/ { + compatible = "brcm,bcm2709"; + model = "Raspberry Pi 2 Model B"; + + aliases { + soc = &soc; + spi0 = &spi0; + i2c0 = &i2c0; + i2c1 = &i2c1; + i2s = &i2s; + gpio = &gpio; + intc = &intc; + leds = &leds; + sound = &sound; + }; + + sound: sound { + }; +}; + +&gpio { + spi0_pins: spi0_pins { + brcm,pins = <7 8 9 10 11>; + brcm,function = <4>; /* alt0 */ + }; + + i2c0_pins: i2c0 { + brcm,pins = <0 1>; + brcm,function = <4>; + }; + + i2c1_pins: i2c1 { + brcm,pins = <2 3>; + brcm,function = <4>; + }; + + i2s_pins: i2s { + brcm,pins = <18 19 20 21>; + brcm,function = <4>; /* alt0 */ + }; +}; + +&spi0 { + pinctrl-names = "default"; + pinctrl-0 = <&spi0_pins>; + + spidev@0{ + compatible = "spidev"; + reg = <0>; /* CE0 */ + #address-cells = <1>; + #size-cells = <0>; + spi-max-frequency = <500000>; + }; + + spidev@1{ + compatible = "spidev"; + reg = <1>; /* CE1 */ + #address-cells = <1>; + #size-cells = <0>; + spi-max-frequency = <500000>; + }; +}; + +&i2c0 { + pinctrl-names = "default"; + pinctrl-0 = <&i2c0_pins>; + clock-frequency = <100000>; +}; + +&i2c1 { + pinctrl-names = "default"; + pinctrl-0 = <&i2c1_pins>; + clock-frequency = <100000>; +}; + +&i2s { + #sound-dai-cells = <0>; + pinctrl-names = "default"; + pinctrl-0 = <&i2s_pins>; +}; + +&act_led { + gpios = <&gpio 47 0>; +}; + +/ { + __overrides__ { + i2s = <&i2s>,"status"; + spi = <&spi0>,"status"; + i2c0 = <&i2c0>,"status"; + i2c1 = <&i2c1>,"status"; + + act_led_gpio = <&act_led>,"gpios:4"; + act_led_activelow = <&act_led>,"gpios:8"; + act_led_trigger = <&act_led>,"linux,default-trigger"; + }; +}; --- /dev/null +++ b/arch/arm/boot/dts/bcm2709.dtsi @@ -0,0 +1,159 @@ +/include/ "skeleton.dtsi" + +/ { + compatible = "brcm,bcm2709"; + model = "BCM2709"; + + interrupt-parent = <&intc>; + + chosen { + /* No padding required - the boot loader can do that. */ + bootargs = ""; + }; + + soc: soc { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x7e000000 0x3f000000 0x01000000>; + + intc: interrupt-controller { + compatible = "brcm,bcm2708-armctrl-ic"; + reg = <0x7e00b200 0x200>; + interrupt-controller; + #interrupt-cells = <2>; + }; + + gpio: gpio { + compatible = "brcm,bcm2835-gpio"; + reg = <0x7e200000 0xb4>; + interrupts = <2 17>, <2 18>; + + gpio-controller; + #gpio-cells = <2>; + + interrupt-controller; + #interrupt-cells = <2>; + }; + + i2s: i2s@7e203000 { + compatible = "brcm,bcm2708-i2s"; + reg = <0x7e203000 0x20>, + <0x7e101098 0x02>; + + //dmas = <&dma 2>, + // <&dma 3>; + dma-names = "tx", "rx"; + status = "disabled"; + }; + + spi0: spi@7e204000 { + compatible = "brcm,bcm2708-spi"; + reg = <0x7e204000 0x1000>; + interrupts = <2 22>; + clocks = <&clk_spi>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; + + i2c0: i2c@7e205000 { + compatible = "brcm,bcm2708-i2c"; + reg = <0x7e205000 0x1000>; + interrupts = <2 21>; + clocks = <&clk_i2c>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; + + i2c1: i2c@7e804000 { + compatible = "brcm,bcm2708-i2c"; + reg = <0x7e804000 0x1000>; + interrupts = <2 21>; + clocks = <&clk_i2c>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; + + leds: leds { + compatible = "gpio-leds"; + + act_led: act { + label = "ACT"; + linux,default-trigger = "mmc0"; + }; + }; + }; + + clocks { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <0>; + + clk_i2c: i2c { + compatible = "fixed-clock"; + reg = <1>; + #clock-cells = <0>; + clock-frequency = <250000000>; + }; + + clk_spi: clock@2 { + compatible = "fixed-clock"; + reg = <2>; + #clock-cells = <0>; + clock-output-names = "spi"; + clock-frequency = <250000000>; + }; + }; + + timer { + compatible = "arm,armv7-timer"; + clock-frequency = <19200000>; + interrupts = <3 0>, // PHYS_SECURE_PPI + <3 1>, // PHYS_NONSECURE_PPI + <3 3>, // VIRT_PPI + <3 2>; // HYP_PPI + }; + + cpus: cpus { + #address-cells = <1>; + #size-cells = <0>; + + v7_cpu0: cpu@0 { + device_type = "cpu"; + compatible = "arm,cortex-a7"; + reg = <0xf00>; + clock-frequency = <800000000>; + }; + + v7_cpu1: cpu@1 { + device_type = "cpu"; + compatible = "arm,cortex-a7"; + reg = <0xf01>; + clock-frequency = <800000000>; + }; + + v7_cpu2: cpu@2 { + device_type = "cpu"; + compatible = "arm,cortex-a7"; + reg = <0xf02>; + clock-frequency = <800000000>; + }; + + v7_cpu3: cpu@3 { + device_type = "cpu"; + compatible = "arm,cortex-a7"; + reg = <0xf03>; + clock-frequency = <800000000>; + }; + }; + + __overrides__ { + arm_freq = <&v7_cpu0>, "clock-frequency:0", + <&v7_cpu1>, "clock-frequency:0", + <&v7_cpu2>, "clock-frequency:0", + <&v7_cpu3>, "clock-frequency:0"; + }; +}; --- /dev/null +++ b/arch/arm/configs/bcm2709_defconfig @@ -0,0 +1,1149 @@ +# CONFIG_ARM_PATCH_PHYS_VIRT is not set +CONFIG_PHYS_OFFSET=0 +CONFIG_LOCALVERSION="-v7" +# 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_TASKSTATS=y +CONFIG_TASK_DELAY_ACCT=y +CONFIG_TASK_XACCT=y +CONFIG_TASK_IO_ACCOUNTING=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_MEMCG=y +CONFIG_BLK_CGROUP=y +CONFIG_NAMESPACES=y +CONFIG_SCHED_AUTOGROUP=y +CONFIG_BLK_DEV_INITRD=y +CONFIG_EMBEDDED=y +# CONFIG_COMPAT_BRK is not set +CONFIG_PROFILING=y +CONFIG_OPROFILE=m +CONFIG_KPROBES=y +CONFIG_JUMP_LABEL=y +CONFIG_MODULES=y +CONFIG_MODULE_UNLOAD=y +CONFIG_MODVERSIONS=y +CONFIG_MODULE_SRCVERSION_ALL=y +CONFIG_BLK_DEV_THROTTLING=y +CONFIG_PARTITION_ADVANCED=y +CONFIG_MAC_PARTITION=y +CONFIG_CFQ_GROUP_IOSCHED=y +CONFIG_ARCH_BCM2709=y +CONFIG_BCM2709_DT=y +# CONFIG_CACHE_L2X0 is not set +CONFIG_SMP=y +CONFIG_HAVE_ARM_ARCH_TIMER=y +CONFIG_VMSPLIT_2G=y +CONFIG_PREEMPT=y +CONFIG_AEABI=y +CONFIG_CLEANCACHE=y +CONFIG_FRONTSWAP=y +CONFIG_CMA=y +CONFIG_UACCESS_WITH_MEMCPY=y +CONFIG_SECCOMP=y +CONFIG_ZBOOT_ROM_TEXT=0x0 +CONFIG_ZBOOT_ROM_BSS=0x0 +CONFIG_CMDLINE="console=ttyAMA0,115200 kgdboc=ttyAMA0,115200 root=/dev/mmcblk0p2 rootfstype=ext4 rootwait" +CONFIG_KEXEC=y +CONFIG_CPU_FREQ=y +CONFIG_CPU_FREQ_STAT=m +CONFIG_CPU_FREQ_STAT_DETAILS=y +CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE=y +CONFIG_CPU_FREQ_GOV_PERFORMANCE=y +CONFIG_CPU_FREQ_GOV_USERSPACE=y +CONFIG_CPU_FREQ_GOV_ONDEMAND=y +CONFIG_CPU_FREQ_GOV_CONSERVATIVE=y +CONFIG_CPU_IDLE=y +CONFIG_VFP=y +CONFIG_NEON=y +CONFIG_KERNEL_MODE_NEON=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_ADVANCED_ROUTER=y +CONFIG_IP_MULTIPLE_TABLES=y +CONFIG_IP_ROUTE_MULTIPATH=y +CONFIG_IP_ROUTE_VERBOSE=y +CONFIG_IP_PNP=y +CONFIG_IP_PNP_DHCP=y +CONFIG_IP_PNP_RARP=y +CONFIG_NET_IPIP=m +CONFIG_NET_IPGRE_DEMUX=m +CONFIG_NET_IPGRE=m +CONFIG_IP_MROUTE=y +CONFIG_IP_MROUTE_MULTIPLE_TABLES=y +CONFIG_IP_PIMSM_V1=y +CONFIG_IP_PIMSM_V2=y +CONFIG_SYN_COOKIES=y +CONFIG_INET_AH=m +CONFIG_INET_ESP=m +CONFIG_INET_IPCOMP=m +CONFIG_INET_XFRM_MODE_TRANSPORT=m +CONFIG_INET_XFRM_MODE_TUNNEL=m +CONFIG_INET_XFRM_MODE_BEET=m +CONFIG_INET_LRO=m +CONFIG_INET_DIAG=m +CONFIG_INET6_AH=m +CONFIG_INET6_ESP=m +CONFIG_INET6_IPCOMP=m +CONFIG_IPV6_TUNNEL=m +CONFIG_IPV6_MULTIPLE_TABLES=y +CONFIG_IPV6_MROUTE=y +CONFIG_IPV6_MROUTE_MULTIPLE_TABLES=y +CONFIG_IPV6_PIMSM_V2=y +CONFIG_NETFILTER=y +CONFIG_NF_CONNTRACK=m +CONFIG_NF_CONNTRACK_ZONES=y +CONFIG_NF_CONNTRACK_EVENTS=y +CONFIG_NF_CONNTRACK_TIMESTAMP=y +CONFIG_NF_CT_PROTO_DCCP=m +CONFIG_NF_CT_PROTO_UDPLITE=m +CONFIG_NF_CONNTRACK_AMANDA=m +CONFIG_NF_CONNTRACK_FTP=m +CONFIG_NF_CONNTRACK_H323=m +CONFIG_NF_CONNTRACK_IRC=m +CONFIG_NF_CONNTRACK_NETBIOS_NS=m +CONFIG_NF_CONNTRACK_SNMP=m +CONFIG_NF_CONNTRACK_PPTP=m +CONFIG_NF_CONNTRACK_SANE=m +CONFIG_NF_CONNTRACK_SIP=m +CONFIG_NF_CONNTRACK_TFTP=m +CONFIG_NF_CT_NETLINK=m +CONFIG_NETFILTER_XT_SET=m +CONFIG_NETFILTER_XT_TARGET_AUDIT=m +CONFIG_NETFILTER_XT_TARGET_CHECKSUM=m +CONFIG_NETFILTER_XT_TARGET_CLASSIFY=m +CONFIG_NETFILTER_XT_TARGET_CONNMARK=m +CONFIG_NETFILTER_XT_TARGET_DSCP=m +CONFIG_NETFILTER_XT_TARGET_HMARK=m +CONFIG_NETFILTER_XT_TARGET_IDLETIMER=m +CONFIG_NETFILTER_XT_TARGET_LED=m +CONFIG_NETFILTER_XT_TARGET_LOG=m +CONFIG_NETFILTER_XT_TARGET_MARK=m +CONFIG_NETFILTER_XT_TARGET_NFLOG=m +CONFIG_NETFILTER_XT_TARGET_NFQUEUE=m +CONFIG_NETFILTER_XT_TARGET_NOTRACK=m +CONFIG_NETFILTER_XT_TARGET_TEE=m +CONFIG_NETFILTER_XT_TARGET_TPROXY=m +CONFIG_NETFILTER_XT_TARGET_TRACE=m +CONFIG_NETFILTER_XT_TARGET_TCPMSS=m +CONFIG_NETFILTER_XT_TARGET_TCPOPTSTRIP=m +CONFIG_NETFILTER_XT_MATCH_ADDRTYPE=m +CONFIG_NETFILTER_XT_MATCH_BPF=m +CONFIG_NETFILTER_XT_MATCH_CLUSTER=m +CONFIG_NETFILTER_XT_MATCH_COMMENT=m +CONFIG_NETFILTER_XT_MATCH_CONNBYTES=m +CONFIG_NETFILTER_XT_MATCH_CONNLABEL=m +CONFIG_NETFILTER_XT_MATCH_CONNLIMIT=m +CONFIG_NETFILTER_XT_MATCH_CONNMARK=m +CONFIG_NETFILTER_XT_MATCH_CONNTRACK=m +CONFIG_NETFILTER_XT_MATCH_CPU=m +CONFIG_NETFILTER_XT_MATCH_DCCP=m +CONFIG_NETFILTER_XT_MATCH_DEVGROUP=m +CONFIG_NETFILTER_XT_MATCH_DSCP=m +CONFIG_NETFILTER_XT_MATCH_ESP=m +CONFIG_NETFILTER_XT_MATCH_HASHLIMIT=m +CONFIG_NETFILTER_XT_MATCH_HELPER=m +CONFIG_NETFILTER_XT_MATCH_IPRANGE=m +CONFIG_NETFILTER_XT_MATCH_IPVS=m +CONFIG_NETFILTER_XT_MATCH_LENGTH=m +CONFIG_NETFILTER_XT_MATCH_LIMIT=m +CONFIG_NETFILTER_XT_MATCH_MAC=m +CONFIG_NETFILTER_XT_MATCH_MARK=m +CONFIG_NETFILTER_XT_MATCH_MULTIPORT=m +CONFIG_NETFILTER_XT_MATCH_NFACCT=m +CONFIG_NETFILTER_XT_MATCH_OSF=m +CONFIG_NETFILTER_XT_MATCH_OWNER=m +CONFIG_NETFILTER_XT_MATCH_POLICY=m +CONFIG_NETFILTER_XT_MATCH_PHYSDEV=m +CONFIG_NETFILTER_XT_MATCH_PKTTYPE=m +CONFIG_NETFILTER_XT_MATCH_QUOTA=m +CONFIG_NETFILTER_XT_MATCH_RATEEST=m +CONFIG_NETFILTER_XT_MATCH_REALM=m +CONFIG_NETFILTER_XT_MATCH_RECENT=m +CONFIG_NETFILTER_XT_MATCH_SOCKET=m +CONFIG_NETFILTER_XT_MATCH_STATE=m +CONFIG_NETFILTER_XT_MATCH_STATISTIC=m +CONFIG_NETFILTER_XT_MATCH_STRING=m +CONFIG_NETFILTER_XT_MATCH_TCPMSS=m +CONFIG_NETFILTER_XT_MATCH_TIME=m +CONFIG_NETFILTER_XT_MATCH_U32=m +CONFIG_IP_SET=m +CONFIG_IP_SET_BITMAP_IP=m +CONFIG_IP_SET_BITMAP_IPMAC=m +CONFIG_IP_SET_BITMAP_PORT=m +CONFIG_IP_SET_HASH_IP=m +CONFIG_IP_SET_HASH_IPPORT=m +CONFIG_IP_SET_HASH_IPPORTIP=m +CONFIG_IP_SET_HASH_IPPORTNET=m +CONFIG_IP_SET_HASH_NET=m +CONFIG_IP_SET_HASH_NETPORT=m +CONFIG_IP_SET_HASH_NETIFACE=m +CONFIG_IP_SET_LIST_SET=m +CONFIG_IP_VS=m +CONFIG_IP_VS_PROTO_TCP=y +CONFIG_IP_VS_PROTO_UDP=y +CONFIG_IP_VS_PROTO_ESP=y +CONFIG_IP_VS_PROTO_AH=y +CONFIG_IP_VS_PROTO_SCTP=y +CONFIG_IP_VS_RR=m +CONFIG_IP_VS_WRR=m +CONFIG_IP_VS_LC=m +CONFIG_IP_VS_WLC=m +CONFIG_IP_VS_LBLC=m +CONFIG_IP_VS_LBLCR=m +CONFIG_IP_VS_DH=m +CONFIG_IP_VS_SH=m +CONFIG_IP_VS_SED=m +CONFIG_IP_VS_NQ=m +CONFIG_IP_VS_FTP=m +CONFIG_IP_VS_PE_SIP=m +CONFIG_NF_CONNTRACK_IPV4=m +CONFIG_IP_NF_IPTABLES=m +CONFIG_IP_NF_MATCH_AH=m +CONFIG_IP_NF_MATCH_ECN=m +CONFIG_IP_NF_MATCH_TTL=m +CONFIG_IP_NF_FILTER=m +CONFIG_IP_NF_TARGET_REJECT=m +CONFIG_IP_NF_NAT=m +CONFIG_IP_NF_TARGET_MASQUERADE=m +CONFIG_IP_NF_TARGET_NETMAP=m +CONFIG_IP_NF_TARGET_REDIRECT=m +CONFIG_IP_NF_MANGLE=m +CONFIG_IP_NF_TARGET_ECN=m +CONFIG_IP_NF_TARGET_TTL=m +CONFIG_IP_NF_RAW=m +CONFIG_IP_NF_ARPTABLES=m +CONFIG_IP_NF_ARPFILTER=m +CONFIG_IP_NF_ARP_MANGLE=m +CONFIG_NF_CONNTRACK_IPV6=m +CONFIG_IP6_NF_IPTABLES=m +CONFIG_IP6_NF_MATCH_AH=m +CONFIG_IP6_NF_MATCH_EUI64=m +CONFIG_IP6_NF_MATCH_FRAG=m +CONFIG_IP6_NF_MATCH_OPTS=m +CONFIG_IP6_NF_MATCH_HL=m +CONFIG_IP6_NF_MATCH_IPV6HEADER=m +CONFIG_IP6_NF_MATCH_MH=m +CONFIG_IP6_NF_MATCH_RT=m +CONFIG_IP6_NF_TARGET_HL=m +CONFIG_IP6_NF_FILTER=m +CONFIG_IP6_NF_TARGET_REJECT=m +CONFIG_IP6_NF_MANGLE=m +CONFIG_IP6_NF_RAW=m +CONFIG_IP6_NF_NAT=m +CONFIG_IP6_NF_TARGET_MASQUERADE=m +CONFIG_IP6_NF_TARGET_NPT=m +CONFIG_BRIDGE_NF_EBTABLES=m +CONFIG_BRIDGE_EBT_BROUTE=m +CONFIG_BRIDGE_EBT_T_FILTER=m +CONFIG_BRIDGE_EBT_T_NAT=m +CONFIG_BRIDGE_EBT_802_3=m +CONFIG_BRIDGE_EBT_AMONG=m +CONFIG_BRIDGE_EBT_ARP=m +CONFIG_BRIDGE_EBT_IP=m +CONFIG_BRIDGE_EBT_IP6=m +CONFIG_BRIDGE_EBT_LIMIT=m +CONFIG_BRIDGE_EBT_MARK=m +CONFIG_BRIDGE_EBT_PKTTYPE=m +CONFIG_BRIDGE_EBT_STP=m +CONFIG_BRIDGE_EBT_VLAN=m +CONFIG_BRIDGE_EBT_ARPREPLY=m +CONFIG_BRIDGE_EBT_DNAT=m +CONFIG_BRIDGE_EBT_MARK_T=m +CONFIG_BRIDGE_EBT_REDIRECT=m +CONFIG_BRIDGE_EBT_SNAT=m +CONFIG_BRIDGE_EBT_LOG=m +CONFIG_BRIDGE_EBT_NFLOG=m +CONFIG_SCTP_COOKIE_HMAC_SHA1=y +CONFIG_ATM=m +CONFIG_L2TP=m +CONFIG_L2TP_V3=y +CONFIG_L2TP_IP=m +CONFIG_L2TP_ETH=m +CONFIG_BRIDGE=m +CONFIG_VLAN_8021Q=m +CONFIG_VLAN_8021Q_GVRP=y +CONFIG_ATALK=m +CONFIG_NET_SCHED=y +CONFIG_NET_SCH_CBQ=m +CONFIG_NET_SCH_HTB=m +CONFIG_NET_SCH_HFSC=m +CONFIG_NET_SCH_PRIO=m +CONFIG_NET_SCH_MULTIQ=m +CONFIG_NET_SCH_RED=m +CONFIG_NET_SCH_SFB=m +CONFIG_NET_SCH_SFQ=m +CONFIG_NET_SCH_TEQL=m +CONFIG_NET_SCH_TBF=m +CONFIG_NET_SCH_GRED=m +CONFIG_NET_SCH_DSMARK=m +CONFIG_NET_SCH_NETEM=m +CONFIG_NET_SCH_DRR=m +CONFIG_NET_SCH_MQPRIO=m +CONFIG_NET_SCH_CHOKE=m +CONFIG_NET_SCH_QFQ=m +CONFIG_NET_SCH_CODEL=m +CONFIG_NET_SCH_FQ_CODEL=m +CONFIG_NET_SCH_INGRESS=m +CONFIG_NET_SCH_PLUG=m +CONFIG_NET_CLS_BASIC=m +CONFIG_NET_CLS_TCINDEX=m +CONFIG_NET_CLS_ROUTE4=m +CONFIG_NET_CLS_FW=m +CONFIG_NET_CLS_U32=m +CONFIG_CLS_U32_MARK=y +CONFIG_NET_CLS_RSVP=m +CONFIG_NET_CLS_RSVP6=m +CONFIG_NET_CLS_FLOW=m +CONFIG_NET_CLS_CGROUP=m +CONFIG_NET_EMATCH=y +CONFIG_NET_EMATCH_CMP=m +CONFIG_NET_EMATCH_NBYTE=m +CONFIG_NET_EMATCH_U32=m +CONFIG_NET_EMATCH_META=m +CONFIG_NET_EMATCH_TEXT=m +CONFIG_NET_EMATCH_IPSET=m +CONFIG_NET_CLS_ACT=y +CONFIG_NET_ACT_POLICE=m +CONFIG_NET_ACT_GACT=m +CONFIG_GACT_PROB=y +CONFIG_NET_ACT_MIRRED=m +CONFIG_NET_ACT_IPT=m +CONFIG_NET_ACT_NAT=m +CONFIG_NET_ACT_PEDIT=m +CONFIG_NET_ACT_SIMP=m +CONFIG_NET_ACT_SKBEDIT=m +CONFIG_NET_ACT_CSUM=m +CONFIG_BATMAN_ADV=m +CONFIG_OPENVSWITCH=m +CONFIG_NET_PKTGEN=m +CONFIG_HAMRADIO=y +CONFIG_AX25=m +CONFIG_NETROM=m +CONFIG_ROSE=m +CONFIG_MKISS=m +CONFIG_6PACK=m +CONFIG_BPQETHER=m +CONFIG_BAYCOM_SER_FDX=m +CONFIG_BAYCOM_SER_HDX=m +CONFIG_YAM=m +CONFIG_IRDA=m +CONFIG_IRLAN=m +CONFIG_IRNET=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_BT_WILINK=m +CONFIG_CFG80211_WEXT=y +CONFIG_MAC80211=m +CONFIG_MAC80211_MESH=y +CONFIG_WIMAX=m +CONFIG_RFKILL=m +CONFIG_RFKILL_INPUT=y +CONFIG_NET_9P=m +CONFIG_NFC=m +CONFIG_NFC_PN533=m +CONFIG_DEVTMPFS=y +CONFIG_DEVTMPFS_MOUNT=y +CONFIG_DMA_CMA=y +CONFIG_CMA_SIZE_MBYTES=5 +CONFIG_BLK_DEV_LOOP=y +CONFIG_BLK_DEV_CRYPTOLOOP=m +CONFIG_BLK_DEV_DRBD=m +CONFIG_BLK_DEV_NBD=m +CONFIG_BLK_DEV_RAM=y +CONFIG_CDROM_PKTCDVD=m +CONFIG_EEPROM_AT24=m +CONFIG_SCSI=y +# CONFIG_SCSI_PROC_FS is not set +CONFIG_BLK_DEV_SD=y +CONFIG_CHR_DEV_ST=m +CONFIG_CHR_DEV_OSST=m +CONFIG_BLK_DEV_SR=m +CONFIG_CHR_DEV_SG=m +CONFIG_SCSI_ISCSI_ATTRS=y +CONFIG_ISCSI_TCP=m +CONFIG_ISCSI_BOOT_SYSFS=m +CONFIG_MD=y +CONFIG_MD_LINEAR=m +CONFIG_MD_RAID0=m +CONFIG_BLK_DEV_DM=m +CONFIG_DM_CRYPT=m +CONFIG_DM_SNAPSHOT=m +CONFIG_DM_MIRROR=m +CONFIG_DM_LOG_USERSPACE=m +CONFIG_DM_RAID=m +CONFIG_DM_ZERO=m +CONFIG_DM_DELAY=m +CONFIG_NETDEVICES=y +CONFIG_BONDING=m +CONFIG_DUMMY=m +CONFIG_IFB=m +CONFIG_MACVLAN=m +CONFIG_NETCONSOLE=m +CONFIG_TUN=m +CONFIG_VETH=m +CONFIG_MDIO_BITBANG=m +CONFIG_PPP=m +CONFIG_PPP_BSDCOMP=m +CONFIG_PPP_DEFLATE=m +CONFIG_PPP_FILTER=y +CONFIG_PPP_MPPE=m +CONFIG_PPP_MULTILINK=y +CONFIG_PPPOATM=m +CONFIG_PPPOE=m +CONFIG_PPPOL2TP=m +CONFIG_PPP_ASYNC=m +CONFIG_PPP_SYNC_TTY=m +CONFIG_SLIP=m +CONFIG_SLIP_COMPRESSED=y +CONFIG_SLIP_SMART=y +CONFIG_USB_CATC=m +CONFIG_USB_KAWETH=m +CONFIG_USB_PEGASUS=m +CONFIG_USB_RTL8150=m +CONFIG_USB_RTL8152=m +CONFIG_USB_USBNET=y +CONFIG_USB_NET_AX8817X=m +CONFIG_USB_NET_AX88179_178A=m +CONFIG_USB_NET_CDCETHER=m +CONFIG_USB_NET_CDC_EEM=m +CONFIG_USB_NET_CDC_NCM=m +CONFIG_USB_NET_HUAWEI_CDC_NCM=m +CONFIG_USB_NET_CDC_MBIM=m +CONFIG_USB_NET_DM9601=m +CONFIG_USB_NET_SR9700=m +CONFIG_USB_NET_SR9800=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_EPSON2888=y +CONFIG_USB_KC2190=y +CONFIG_USB_NET_ZAURUS=m +CONFIG_USB_NET_CX82310_ETH=m +CONFIG_USB_NET_KALMIA=m +CONFIG_USB_NET_QMI_WWAN=m +CONFIG_USB_HSO=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_ATH_CARDS=m +CONFIG_ATH9K=m +CONFIG_ATH9K_HTC=m +CONFIG_CARL9170=m +CONFIG_ATH6KL=m +CONFIG_ATH6KL_USB=m +CONFIG_AR5523=m +CONFIG_B43=m +# CONFIG_B43_PHY_N is not set +CONFIG_B43LEGACY=m +CONFIG_BRCMFMAC=m +CONFIG_BRCMFMAC_USB=y +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_RT3573=y +CONFIG_RT2800USB_RT53XX=y +CONFIG_RT2800USB_RT55XX=y +CONFIG_RT2800USB_UNKNOWN=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_JOYSTICK=y +CONFIG_JOYSTICK_IFORCE=m +CONFIG_JOYSTICK_IFORCE_USB=y +CONFIG_JOYSTICK_XPAD=m +CONFIG_JOYSTICK_XPAD_FF=y +CONFIG_INPUT_TOUCHSCREEN=y +CONFIG_TOUCHSCREEN_ADS7846=m +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_GPIO_ROTARY_ENCODER=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_DEVPTS_MULTIPLE_INSTANCES=y +# CONFIG_LEGACY_PTYS is not set +# CONFIG_DEVKMEM is not set +CONFIG_SERIAL_AMBA_PL011=y +CONFIG_SERIAL_AMBA_PL011_CONSOLE=y +CONFIG_TTY_PRINTK=y +CONFIG_HW_RANDOM=y +CONFIG_HW_RANDOM_BCM2708=m +CONFIG_RAW_DRIVER=y +CONFIG_BRCM_CHAR_DRIVERS=y +CONFIG_BCM_VC_CMA=y +CONFIG_BCM_VC_SM=y +CONFIG_I2C=y +CONFIG_I2C_CHARDEV=m +CONFIG_I2C_MUX=m +CONFIG_I2C_BCM2708=m +CONFIG_SPI=y +CONFIG_SPI_BCM2708=m +CONFIG_SPI_SPIDEV=y +CONFIG_PPS=m +CONFIG_PPS_CLIENT_LDISC=m +CONFIG_PPS_CLIENT_GPIO=m +CONFIG_GPIO_SYSFS=y +CONFIG_GPIO_ARIZONA=m +CONFIG_W1=m +CONFIG_W1_MASTER_DS2490=m +CONFIG_W1_MASTER_DS2482=m +CONFIG_W1_MASTER_DS1WM=m +CONFIG_W1_MASTER_GPIO=m +CONFIG_W1_SLAVE_THERM=m +CONFIG_W1_SLAVE_SMEM=m +CONFIG_W1_SLAVE_DS2408=m +CONFIG_W1_SLAVE_DS2413=m +CONFIG_W1_SLAVE_DS2406=m +CONFIG_W1_SLAVE_DS2423=m +CONFIG_W1_SLAVE_DS2431=m +CONFIG_W1_SLAVE_DS2433=m +CONFIG_W1_SLAVE_DS2760=m +CONFIG_W1_SLAVE_DS2780=m +CONFIG_W1_SLAVE_DS2781=m +CONFIG_W1_SLAVE_DS28E04=m +CONFIG_W1_SLAVE_BQ27000=m +CONFIG_BATTERY_DS2760=m +# CONFIG_HWMON is not set +CONFIG_THERMAL=y +CONFIG_THERMAL_BCM2835=y +CONFIG_WATCHDOG=y +CONFIG_BCM2708_WDT=m +CONFIG_UCB1400_CORE=m +CONFIG_MFD_ARIZONA_I2C=m +CONFIG_MFD_ARIZONA_SPI=m +CONFIG_MFD_WM5102=y +CONFIG_MEDIA_SUPPORT=m +CONFIG_MEDIA_CAMERA_SUPPORT=y +CONFIG_MEDIA_ANALOG_TV_SUPPORT=y +CONFIG_MEDIA_DIGITAL_TV_SUPPORT=y +CONFIG_MEDIA_RADIO_SUPPORT=y +CONFIG_MEDIA_RC_SUPPORT=y +CONFIG_MEDIA_CONTROLLER=y +CONFIG_LIRC=m +CONFIG_RC_DEVICES=y +CONFIG_RC_ATI_REMOTE=m +CONFIG_IR_IMON=m +CONFIG_IR_MCEUSB=m +CONFIG_IR_REDRAT3=m +CONFIG_IR_STREAMZAP=m +CONFIG_IR_IGUANA=m +CONFIG_IR_TTUSBIR=m +CONFIG_RC_LOOPBACK=m +CONFIG_IR_GPIO_CIR=m +CONFIG_MEDIA_USB_SUPPORT=y +CONFIG_USB_VIDEO_CLASS=m +CONFIG_USB_M5602=m +CONFIG_USB_STV06XX=m +CONFIG_USB_GL860=m +CONFIG_USB_GSPCA_BENQ=m +CONFIG_USB_GSPCA_CONEX=m +CONFIG_USB_GSPCA_CPIA1=m +CONFIG_USB_GSPCA_DTCS033=m +CONFIG_USB_GSPCA_ETOMS=m +CONFIG_USB_GSPCA_FINEPIX=m +CONFIG_USB_GSPCA_JEILINJ=m +CONFIG_USB_GSPCA_JL2005BCD=m +CONFIG_USB_GSPCA_KINECT=m +CONFIG_USB_GSPCA_KONICA=m +CONFIG_USB_GSPCA_MARS=m +CONFIG_USB_GSPCA_MR97310A=m +CONFIG_USB_GSPCA_NW80X=m +CONFIG_USB_GSPCA_OV519=m +CONFIG_USB_GSPCA_OV534=m +CONFIG_USB_GSPCA_OV534_9=m +CONFIG_USB_GSPCA_PAC207=m +CONFIG_USB_GSPCA_PAC7302=m +CONFIG_USB_GSPCA_PAC7311=m +CONFIG_USB_GSPCA_SE401=m +CONFIG_USB_GSPCA_SN9C2028=m +CONFIG_USB_GSPCA_SN9C20X=m +CONFIG_USB_GSPCA_SONIXB=m +CONFIG_USB_GSPCA_SONIXJ=m +CONFIG_USB_GSPCA_SPCA500=m +CONFIG_USB_GSPCA_SPCA501=m +CONFIG_USB_GSPCA_SPCA505=m +CONFIG_USB_GSPCA_SPCA506=m +CONFIG_USB_GSPCA_SPCA508=m +CONFIG_USB_GSPCA_SPCA561=m +CONFIG_USB_GSPCA_SPCA1528=m +CONFIG_USB_GSPCA_SQ905=m +CONFIG_USB_GSPCA_SQ905C=m +CONFIG_USB_GSPCA_SQ930X=m +CONFIG_USB_GSPCA_STK014=m +CONFIG_USB_GSPCA_STK1135=m +CONFIG_USB_GSPCA_STV0680=m +CONFIG_USB_GSPCA_SUNPLUS=m +CONFIG_USB_GSPCA_T613=m +CONFIG_USB_GSPCA_TOPRO=m +CONFIG_USB_GSPCA_TV8532=m +CONFIG_USB_GSPCA_VC032X=m +CONFIG_USB_GSPCA_VICAM=m +CONFIG_USB_GSPCA_XIRLINK_CIT=m +CONFIG_USB_GSPCA_ZC3XX=m +CONFIG_USB_PWC=m +CONFIG_VIDEO_CPIA2=m +CONFIG_USB_ZR364XX=m +CONFIG_USB_STKWEBCAM=m +CONFIG_USB_S2255=m +CONFIG_VIDEO_USBTV=m +CONFIG_VIDEO_PVRUSB2=m +CONFIG_VIDEO_HDPVR=m +CONFIG_VIDEO_TLG2300=m +CONFIG_VIDEO_USBVISION=m +CONFIG_VIDEO_STK1160_COMMON=m +CONFIG_VIDEO_STK1160_AC97=y +CONFIG_VIDEO_GO7007=m +CONFIG_VIDEO_GO7007_USB=m +CONFIG_VIDEO_GO7007_USB_S2250_BOARD=m +CONFIG_VIDEO_AU0828=m +CONFIG_VIDEO_AU0828_RC=y +CONFIG_VIDEO_CX231XX=m +CONFIG_VIDEO_CX231XX_ALSA=m +CONFIG_VIDEO_CX231XX_DVB=m +CONFIG_VIDEO_TM6000=m +CONFIG_VIDEO_TM6000_ALSA=m +CONFIG_VIDEO_TM6000_DVB=m +CONFIG_DVB_USB=m +CONFIG_DVB_USB_A800=m +CONFIG_DVB_USB_DIBUSB_MB=m +CONFIG_DVB_USB_DIBUSB_MB_FAULTY=y +CONFIG_DVB_USB_DIBUSB_MC=m +CONFIG_DVB_USB_DIB0700=m +CONFIG_DVB_USB_UMT_010=m +CONFIG_DVB_USB_CXUSB=m +CONFIG_DVB_USB_M920X=m +CONFIG_DVB_USB_DIGITV=m +CONFIG_DVB_USB_VP7045=m +CONFIG_DVB_USB_VP702X=m +CONFIG_DVB_USB_GP8PSK=m +CONFIG_DVB_USB_NOVA_T_USB2=m +CONFIG_DVB_USB_TTUSB2=m +CONFIG_DVB_USB_DTT200U=m +CONFIG_DVB_USB_OPERA1=m +CONFIG_DVB_USB_AF9005=m +CONFIG_DVB_USB_AF9005_REMOTE=m +CONFIG_DVB_USB_PCTV452E=m +CONFIG_DVB_USB_DW2102=m +CONFIG_DVB_USB_CINERGY_T2=m +CONFIG_DVB_USB_DTV5100=m +CONFIG_DVB_USB_FRIIO=m +CONFIG_DVB_USB_AZ6027=m +CONFIG_DVB_USB_TECHNISAT_USB2=m +CONFIG_DVB_USB_V2=m +CONFIG_DVB_USB_AF9015=m +CONFIG_DVB_USB_AF9035=m +CONFIG_DVB_USB_ANYSEE=m +CONFIG_DVB_USB_AU6610=m +CONFIG_DVB_USB_AZ6007=m +CONFIG_DVB_USB_CE6230=m +CONFIG_DVB_USB_EC168=m +CONFIG_DVB_USB_GL861=m +CONFIG_DVB_USB_LME2510=m +CONFIG_DVB_USB_MXL111SF=m +CONFIG_DVB_USB_RTL28XXU=m +CONFIG_SMS_USB_DRV=m +CONFIG_DVB_B2C2_FLEXCOP_USB=m +CONFIG_DVB_AS102=m +CONFIG_VIDEO_EM28XX=m +CONFIG_VIDEO_EM28XX_ALSA=m +CONFIG_VIDEO_EM28XX_DVB=m +CONFIG_V4L_PLATFORM_DRIVERS=y +CONFIG_VIDEO_BCM2835=y +CONFIG_VIDEO_BCM2835_MMAL=m +CONFIG_RADIO_SI470X=y +CONFIG_USB_SI470X=m +CONFIG_I2C_SI470X=m +CONFIG_RADIO_SI4713=m +CONFIG_I2C_SI4713=m +CONFIG_USB_MR800=m +CONFIG_USB_DSBR=m +CONFIG_RADIO_SHARK=m +CONFIG_RADIO_SHARK2=m +CONFIG_USB_KEENE=m +CONFIG_USB_MA901=m +CONFIG_RADIO_TEA5764=m +CONFIG_RADIO_SAA7706H=m +CONFIG_RADIO_TEF6862=m +CONFIG_RADIO_WL1273=m +CONFIG_RADIO_WL128X=m +# CONFIG_MEDIA_SUBDRV_AUTOSELECT is not set +CONFIG_VIDEO_UDA1342=m +CONFIG_VIDEO_SONY_BTF_MPX=m +CONFIG_VIDEO_TVP5150=m +CONFIG_VIDEO_TW2804=m +CONFIG_VIDEO_TW9903=m +CONFIG_VIDEO_TW9906=m +CONFIG_VIDEO_OV7640=m +CONFIG_VIDEO_MT9V011=m +CONFIG_FB=y +CONFIG_FB_BCM2708=y +# CONFIG_BACKLIGHT_GENERIC is not set +CONFIG_FRAMEBUFFER_CONSOLE=y +CONFIG_LOGO=y +# CONFIG_LOGO_LINUX_MONO is not set +# CONFIG_LOGO_LINUX_VGA16 is not set +CONFIG_SOUND=y +CONFIG_SND=m +CONFIG_SND_SEQUENCER=m +CONFIG_SND_SEQ_DUMMY=m +CONFIG_SND_MIXER_OSS=m +CONFIG_SND_PCM_OSS=m +CONFIG_SND_SEQUENCER_OSS=y +CONFIG_SND_HRTIMER=m +CONFIG_SND_DUMMY=m +CONFIG_SND_ALOOP=m +CONFIG_SND_VIRMIDI=m +CONFIG_SND_MTPAV=m +CONFIG_SND_SERIAL_U16550=m +CONFIG_SND_MPU401=m +CONFIG_SND_BCM2835=m +CONFIG_SND_USB_AUDIO=m +CONFIG_SND_USB_UA101=m +CONFIG_SND_USB_CAIAQ=m +CONFIG_SND_USB_CAIAQ_INPUT=y +CONFIG_SND_USB_6FIRE=m +CONFIG_SND_SOC=m +CONFIG_SND_BCM2708_SOC_I2S=m +CONFIG_SND_BCM2708_SOC_HIFIBERRY_DAC=m +CONFIG_SND_BCM2708_SOC_HIFIBERRY_DACPLUS=m +CONFIG_SND_BCM2708_SOC_HIFIBERRY_DIGI=m +CONFIG_SND_BCM2708_SOC_HIFIBERRY_AMP=m +CONFIG_SND_BCM2708_SOC_RPI_DAC=m +CONFIG_SND_BCM2708_SOC_IQAUDIO_DAC=m +CONFIG_SND_SIMPLE_CARD=m +CONFIG_SOUND_PRIME=m +CONFIG_HIDRAW=y +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_ELO=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_THINGM=m +CONFIG_HID_THRUSTMASTER=m +CONFIG_HID_WACOM=m +CONFIG_HID_WIIMOTE=m +CONFIG_HID_XINMO=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_DWCOTG=y +CONFIG_USB_PRINTER=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_F81232=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_METRO=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_XSENS_MT=m +CONFIG_USB_SERIAL_WISHBONE=m +CONFIG_USB_SERIAL_SSU100=m +CONFIG_USB_SERIAL_QT2=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_USB_ATM=m +CONFIG_USB_SPEEDTOUCH=m +CONFIG_USB_CXACRU=m +CONFIG_USB_UEAGLEATM=m +CONFIG_USB_XUSBATM=m +CONFIG_MMC=y +CONFIG_MMC_BLOCK_MINORS=32 +CONFIG_MMC_SDHCI=y +CONFIG_MMC_SDHCI_PLTFM=y +CONFIG_MMC_BCM2835=y +CONFIG_MMC_BCM2835_DMA=y +CONFIG_MMC_SPI=m +CONFIG_LEDS_CLASS=y +CONFIG_LEDS_GPIO=y +CONFIG_LEDS_TRIGGER_TIMER=y +CONFIG_LEDS_TRIGGER_ONESHOT=y +CONFIG_LEDS_TRIGGER_HEARTBEAT=y +CONFIG_LEDS_TRIGGER_BACKLIGHT=y +CONFIG_LEDS_TRIGGER_CPU=y +CONFIG_LEDS_TRIGGER_GPIO=y +CONFIG_LEDS_TRIGGER_DEFAULT_ON=y +CONFIG_LEDS_TRIGGER_TRANSIENT=m +CONFIG_LEDS_TRIGGER_CAMERA=m +CONFIG_RTC_CLASS=y +# CONFIG_RTC_HCTOSYS is not set +CONFIG_RTC_DRV_DS1307=m +CONFIG_RTC_DRV_DS1374=m +CONFIG_RTC_DRV_DS1672=m +CONFIG_RTC_DRV_DS3232=m +CONFIG_RTC_DRV_MAX6900=m +CONFIG_RTC_DRV_RS5C372=m +CONFIG_RTC_DRV_ISL1208=m +CONFIG_RTC_DRV_ISL12022=m +CONFIG_RTC_DRV_ISL12057=m +CONFIG_RTC_DRV_X1205=m +CONFIG_RTC_DRV_PCF2127=m +CONFIG_RTC_DRV_PCF8523=m +CONFIG_RTC_DRV_PCF8563=m +CONFIG_RTC_DRV_PCF8583=m +CONFIG_RTC_DRV_M41T80=m +CONFIG_RTC_DRV_BQ32K=m +CONFIG_RTC_DRV_S35390A=m +CONFIG_RTC_DRV_FM3130=m +CONFIG_RTC_DRV_RX8581=m +CONFIG_RTC_DRV_RX8025=m +CONFIG_RTC_DRV_EM3027=m +CONFIG_RTC_DRV_RV3029C2=m +CONFIG_RTC_DRV_M41T93=m +CONFIG_RTC_DRV_M41T94=m +CONFIG_RTC_DRV_DS1305=m +CONFIG_RTC_DRV_DS1390=m +CONFIG_RTC_DRV_MAX6902=m +CONFIG_RTC_DRV_R9701=m +CONFIG_RTC_DRV_RS5C348=m +CONFIG_RTC_DRV_DS3234=m +CONFIG_RTC_DRV_PCF2123=m +CONFIG_RTC_DRV_RX4581=m +CONFIG_DMADEVICES=y +CONFIG_DMA_BCM2708=y +CONFIG_UIO=m +CONFIG_UIO_PDRV_GENIRQ=m +CONFIG_STAGING=y +CONFIG_PRISM2_USB=m +CONFIG_R8712U=m +CONFIG_R8188EU=m +CONFIG_R8723AU=m +CONFIG_VT6656=m +CONFIG_SPEAKUP=m +CONFIG_SPEAKUP_SYNTH_SOFT=m +CONFIG_STAGING_MEDIA=y +CONFIG_LIRC_STAGING=y +CONFIG_LIRC_IGORPLUGUSB=m +CONFIG_LIRC_IMON=m +CONFIG_LIRC_RPI=m +CONFIG_LIRC_SASEM=m +CONFIG_LIRC_SERIAL=m +# CONFIG_IOMMU_SUPPORT is not set +CONFIG_EXTCON=m +CONFIG_EXTCON_ARIZONA=m +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_QFMT_V1=m +CONFIG_QFMT_V2=m +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_NTFS_RW=y +CONFIG_TMPFS=y +CONFIG_TMPFS_POSIX_ACL=y +CONFIG_CONFIGFS_FS=y +CONFIG_ECRYPT_FS=m +CONFIG_HFS_FS=m +CONFIG_HFSPLUS_FS=m +CONFIG_SQUASHFS=m +CONFIG_SQUASHFS_XATTR=y +CONFIG_SQUASHFS_LZO=y +CONFIG_SQUASHFS_XZ=y +CONFIG_F2FS_FS=y +CONFIG_NFS_FS=y +CONFIG_NFS_V3_ACL=y +CONFIG_NFS_V4=y +CONFIG_NFS_SWAP=y +CONFIG_ROOT_NFS=y +CONFIG_NFS_FSCACHE=y +CONFIG_NFSD=m +CONFIG_NFSD_V3_ACL=y +CONFIG_NFSD_V4=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_DLM=m +CONFIG_PRINTK_TIME=y +CONFIG_BOOT_PRINTK_DELAY=y +CONFIG_DEBUG_MEMORY_INIT=y +CONFIG_DETECT_HUNG_TASK=y +CONFIG_TIMER_STATS=y +# CONFIG_DEBUG_PREEMPT is not set +CONFIG_IRQSOFF_TRACER=y +CONFIG_SCHED_TRACER=y +CONFIG_STACK_TRACER=y +CONFIG_BLK_DEV_IO_TRACE=y +# CONFIG_KPROBE_EVENT is not set +CONFIG_FUNCTION_PROFILER=y +CONFIG_KGDB=y +CONFIG_KGDB_KDB=y +CONFIG_KDB_KEYBOARD=y +CONFIG_CRYPTO_USER=m +CONFIG_CRYPTO_NULL=m +CONFIG_CRYPTO_CBC=y +CONFIG_CRYPTO_CTS=m +CONFIG_CRYPTO_XTS=m +CONFIG_CRYPTO_XCBC=m +CONFIG_CRYPTO_SHA1_ARM_NEON=m +CONFIG_CRYPTO_SHA512_ARM_NEON=m +CONFIG_CRYPTO_TGR192=m +CONFIG_CRYPTO_WP512=m +CONFIG_CRYPTO_AES_ARM_BS=m +CONFIG_CRYPTO_CAST5=m +CONFIG_CRYPTO_DES=y +# CONFIG_CRYPTO_ANSI_CPRNG is not set +# CONFIG_CRYPTO_HW is not set +CONFIG_CRC_ITU_T=y +CONFIG_LIBCRC32C=y --- /dev/null +++ b/arch/arm/configs/bcm2709_sdcard_defconfig @@ -0,0 +1,129 @@ +# CONFIG_ARM_PATCH_PHYS_VIRT is not set +CONFIG_PHYS_OFFSET=0x0 +CONFIG_LOCALVERSION="-sdcard" +# CONFIG_LOCALVERSION_AUTO is not set +# CONFIG_SWAP 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_TASKSTATS=y +CONFIG_TASK_DELAY_ACCT=y +CONFIG_TASK_XACCT=y +CONFIG_TASK_IO_ACCOUNTING=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_MEMCG=y +CONFIG_BLK_CGROUP=y +CONFIG_NAMESPACES=y +CONFIG_SCHED_AUTOGROUP=y +CONFIG_RELAY=y +CONFIG_BLK_DEV_INITRD=y +CONFIG_EMBEDDED=y +# CONFIG_PERF_EVENTS is not set +# CONFIG_COMPAT_BRK is not set +CONFIG_PROFILING=y +CONFIG_JUMP_LABEL=y +CONFIG_BLK_DEV_BSGLIB=y +CONFIG_BLK_DEV_THROTTLING=y +CONFIG_CFQ_GROUP_IOSCHED=y +CONFIG_ARCH_BCM2709=y +# CONFIG_CACHE_L2X0 is not set +CONFIG_SMP=y +CONFIG_HAVE_ARM_ARCH_TIMER=y +CONFIG_HOTPLUG_CPU=y +CONFIG_PREEMPT=y +CONFIG_AEABI=y +CONFIG_CMA=y +CONFIG_UACCESS_WITH_MEMCPY=y +CONFIG_SECCOMP=y +CONFIG_ZBOOT_ROM_TEXT=0x0 +CONFIG_ZBOOT_ROM_BSS=0x0 +CONFIG_CMDLINE="console=ttyAMA0,115200 kgdboc=ttyAMA0,115200 root=/dev/mmcblk0p2 rootfstype=ext4 rootwait" +CONFIG_CPU_IDLE=y +CONFIG_VFP=y +# CONFIG_COREDUMP is not set +# CONFIG_SUSPEND is not set +CONFIG_NET=y +CONFIG_UNIX=y +CONFIG_CGROUP_NET_CLASSID=y +# CONFIG_WIRELESS is not set +CONFIG_DEVTMPFS=y +CONFIG_DEVTMPFS_MOUNT=y +CONFIG_DMA_CMA=y +CONFIG_CMA_SIZE_MBYTES=8 +CONFIG_BLK_DEV_LOOP=y +CONFIG_BLK_DEV_RAM=y +# CONFIG_INPUT_MOUSEDEV_PSAUX is not set +# CONFIG_INPUT_KEYBOARD is not set +# CONFIG_INPUT_MOUSE is not set +# CONFIG_SERIO is not set +# CONFIG_LEGACY_PTYS is not set +# CONFIG_DEVKMEM is not set +CONFIG_SERIAL_AMBA_PL011=y +CONFIG_SERIAL_AMBA_PL011_CONSOLE=y +CONFIG_TTY_PRINTK=y +# CONFIG_HW_RANDOM is not set +CONFIG_BRCM_CHAR_DRIVERS=y +CONFIG_BCM_VC_CMA=y +CONFIG_GPIO_SYSFS=y +# CONFIG_HWMON is not set +CONFIG_FB=y +CONFIG_FB_BCM2708=y +CONFIG_FRAMEBUFFER_CONSOLE=y +# CONFIG_HID is not set +# CONFIG_USB_SUPPORT is not set +CONFIG_MMC=y +CONFIG_MMC_BLOCK_MINORS=32 +CONFIG_MMC_SDHCI=y +CONFIG_MMC_SDHCI_PLTFM=y +CONFIG_MMC_BCM2835=y +CONFIG_MMC_BCM2835_DMA=y +CONFIG_DMADEVICES=y +CONFIG_DMA_BCM2708=y +# CONFIG_IOMMU_SUPPORT is not set +CONFIG_EXT4_FS=y +CONFIG_EXT4_FS_POSIX_ACL=y +CONFIG_EXT4_FS_SECURITY=y +CONFIG_FANOTIFY=y +CONFIG_FSCACHE=y +CONFIG_FSCACHE_STATS=y +CONFIG_FSCACHE_HISTOGRAM=y +CONFIG_CACHEFILES=y +CONFIG_MSDOS_FS=y +CONFIG_VFAT_FS=y +CONFIG_FAT_DEFAULT_IOCHARSET="ascii" +CONFIG_TMPFS=y +CONFIG_TMPFS_POSIX_ACL=y +CONFIG_CONFIGFS_FS=y +# CONFIG_MISC_FILESYSTEMS is not set +# CONFIG_NETWORK_FILESYSTEMS is not set +CONFIG_NLS_DEFAULT="utf8" +CONFIG_NLS_CODEPAGE_437=y +CONFIG_NLS_ASCII=y +CONFIG_PRINTK_TIME=y +CONFIG_BOOT_PRINTK_DELAY=y +CONFIG_DEBUG_FS=y +CONFIG_MAGIC_SYSRQ=y +CONFIG_DETECT_HUNG_TASK=y +CONFIG_TIMER_STATS=y +# CONFIG_DEBUG_PREEMPT is not set +CONFIG_DEBUG_LL=y +CONFIG_EARLY_PRINTK=y +CONFIG_KEYS=y +CONFIG_CRYPTO_CBC=y +CONFIG_CRYPTO_AES=y +CONFIG_CRYPTO_DES=y +# CONFIG_CRYPTO_ANSI_CPRNG is not set +# CONFIG_CRYPTO_HW is not set +CONFIG_CRC_ITU_T=y +CONFIG_LIBCRC32C=y +CONFIG_AVERAGE=y --- /dev/null +++ b/arch/arm/configs/bcm2709_small_defconfig @@ -0,0 +1,61 @@ +CONFIG_LOCALVERSION="-small" +# CONFIG_LOCALVERSION_AUTO is not set +# CONFIG_SWAP is not set +CONFIG_SYSVIPC=y +CONFIG_HIGH_RES_TIMERS=y +CONFIG_LOG_BUF_SHIFT=16 +CONFIG_BLK_DEV_INITRD=y +CONFIG_INITRAMFS_SOURCE="../target_fs" +CONFIG_SLAB=y +# CONFIG_BLK_DEV_BSG is not set +# CONFIG_IOSCHED_CFQ is not set +CONFIG_ARCH_BCM2709=y +# CONFIG_BCM2708_GPIO is not set +# CONFIG_BCM2708_VCMEM is not set +CONFIG_ARM_THUMBEE=y +# CONFIG_SWP_EMULATE is not set +# CONFIG_CACHE_L2X0 is not set +CONFIG_ARM_ERRATA_720789=y +CONFIG_SMP=y +CONFIG_SCHED_MC=y +CONFIG_SCHED_SMT=y +CONFIG_HOTPLUG_CPU=y +CONFIG_PREEMPT=y +CONFIG_AEABI=y +CONFIG_HIGHMEM=y +CONFIG_HIGHPTE=y +# CONFIG_COMPACTION is not set +CONFIG_ZBOOT_ROM_TEXT=0x0 +CONFIG_ZBOOT_ROM_BSS=0x0 +CONFIG_CMDLINE="earlyprintk=ttyAMA0,19200 loglevel=9 console=ttyAMA0,19200" +CONFIG_AUTO_ZRELADDR=y +CONFIG_BINFMT_MISC=y +# CONFIG_SUSPEND is not set +# CONFIG_UEVENT_HELPER is not set +# CONFIG_FIRMWARE_IN_KERNEL is not set +# CONFIG_INPUT_MOUSEDEV_PSAUX is not set +# CONFIG_INPUT_KEYBOARD is not set +# CONFIG_INPUT_MOUSE is not set +# CONFIG_SERIO is not set +# 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_HWMON is not set +# CONFIG_HID is not set +# CONFIG_USB_SUPPORT is not set +# CONFIG_IOMMU_SUPPORT is not set +CONFIG_AUTOFS4_FS=y +# CONFIG_MISC_FILESYSTEMS is not set +CONFIG_PRINTK_TIME=y +CONFIG_FRAME_WARN=4096 +CONFIG_MAGIC_SYSRQ=y +CONFIG_DEBUG_KERNEL=y +CONFIG_RCU_CPU_STALL_TIMEOUT=60 +# CONFIG_FTRACE is not set +# CONFIG_ARM_UNWIND is not set +CONFIG_DEBUG_LL=y +CONFIG_EARLY_PRINTK=y +CONFIG_CRC16=y +CONFIG_CRC_ITU_T=y --- /dev/null +++ b/arch/arm/configs/bcm2835_sdcard_defconfig @@ -0,0 +1,176 @@ +# CONFIG_ARM_PATCH_PHYS_VIRT is not set +CONFIG_LOCALVERSION="-quick" +# CONFIG_LOCALVERSION_AUTO is not set +# CONFIG_SWAP is not set +CONFIG_SYSVIPC=y +CONFIG_POSIX_MQUEUE=y +CONFIG_NO_HZ=y +CONFIG_HIGH_RES_TIMERS=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_KALLSYMS_ALL=y +CONFIG_EMBEDDED=y +CONFIG_PERF_EVENTS=y +# CONFIG_COMPAT_BRK is not set +CONFIG_SLAB=y +# CONFIG_BLK_DEV_BSG is not set +CONFIG_ARCH_BCM2708=y +# CONFIG_BCM2708_GPIO is not set +CONFIG_PREEMPT=y +CONFIG_AEABI=y +CONFIG_UACCESS_WITH_MEMCPY=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=ext4 rootwait" +CONFIG_CPU_FREQ=y +CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE=y +CONFIG_CPU_FREQ_GOV_PERFORMANCE=y +CONFIG_CPU_FREQ_GOV_USERSPACE=y +CONFIG_CPU_FREQ_GOV_ONDEMAND=y +CONFIG_CPU_FREQ_GOV_CONSERVATIVE=y +CONFIG_CPU_IDLE=y +CONFIG_VFP=y +CONFIG_BINFMT_MISC=y +CONFIG_NET=y +CONFIG_PACKET=y +CONFIG_UNIX=y +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_WIRELESS is not set +CONFIG_DEVTMPFS=y +CONFIG_DEVTMPFS_MOUNT=y +CONFIG_BLK_DEV_LOOP=y +CONFIG_BLK_DEV_RAM=y +CONFIG_SCSI=y +# CONFIG_SCSI_PROC_FS is not set +# CONFIG_SCSI_LOWLEVEL is not set +CONFIG_NETDEVICES=y +CONFIG_MII=y +# CONFIG_NET_VENDOR_BROADCOM is not set +# CONFIG_NET_VENDOR_CIRRUS is not set +# CONFIG_NET_VENDOR_FARADAY is not set +# CONFIG_NET_VENDOR_INTEL is not set +# CONFIG_NET_VENDOR_MARVELL is not set +# CONFIG_NET_VENDOR_MICREL is not set +# CONFIG_NET_VENDOR_NATSEMI is not set +# CONFIG_NET_VENDOR_SEEQ is not set +# CONFIG_NET_VENDOR_STMICRO is not set +# CONFIG_NET_VENDOR_WIZNET is not set +CONFIG_PHYLIB=y +# CONFIG_WLAN is not set +# CONFIG_INPUT_MOUSEDEV is not set +CONFIG_INPUT_EVDEV=y +# CONFIG_INPUT_KEYBOARD is not set +# CONFIG_INPUT_MOUSE is not set +# CONFIG_SERIO is not set +CONFIG_VT_HW_CONSOLE_BINDING=y +# CONFIG_LEGACY_PTYS is not set +# CONFIG_DEVKMEM is not set +CONFIG_SERIAL_AMBA_PL011=y +CONFIG_SERIAL_AMBA_PL011_CONSOLE=y +CONFIG_TTY_PRINTK=y +CONFIG_RAW_DRIVER=y +CONFIG_WATCHDOG=y +CONFIG_REGULATOR=y +CONFIG_REGULATOR_DEBUG=y +CONFIG_REGULATOR_FIXED_VOLTAGE=y +CONFIG_REGULATOR_VIRTUAL_CONSUMER=y +CONFIG_REGULATOR_USERSPACE_CONSUMER=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_SOUND=y +CONFIG_SND=y +CONFIG_MMC=y +CONFIG_MMC_SDHCI=y +CONFIG_MMC_SDHCI_PLTFM=y +CONFIG_MMC_SDHCI_BCM2708=y +CONFIG_MMC_SDHCI_BCM2708_DMA=y +CONFIG_NEW_LEDS=y +CONFIG_LEDS_CLASS=y +CONFIG_LEDS_TRIGGERS=y +# CONFIG_IOMMU_SUPPORT is not set +CONFIG_EXT4_FS=y +CONFIG_EXT4_FS_POSIX_ACL=y +CONFIG_EXT4_FS_SECURITY=y +CONFIG_AUTOFS4_FS=y +CONFIG_FSCACHE=y +CONFIG_CACHEFILES=y +CONFIG_MSDOS_FS=y +CONFIG_VFAT_FS=y +CONFIG_FAT_DEFAULT_IOCHARSET="ascii" +CONFIG_TMPFS=y +CONFIG_TMPFS_POSIX_ACL=y +CONFIG_CONFIGFS_FS=y +# CONFIG_MISC_FILESYSTEMS is not set +CONFIG_NFS_FS=y +CONFIG_NFS_V3_ACL=y +CONFIG_NFS_V4=y +CONFIG_ROOT_NFS=y +CONFIG_NFS_FSCACHE=y +CONFIG_NLS_DEFAULT="utf8" +CONFIG_NLS_CODEPAGE_437=y +CONFIG_NLS_CODEPAGE_737=y +CONFIG_NLS_CODEPAGE_775=y +CONFIG_NLS_CODEPAGE_850=y +CONFIG_NLS_CODEPAGE_852=y +CONFIG_NLS_CODEPAGE_855=y +CONFIG_NLS_CODEPAGE_857=y +CONFIG_NLS_CODEPAGE_860=y +CONFIG_NLS_CODEPAGE_861=y +CONFIG_NLS_CODEPAGE_862=y +CONFIG_NLS_CODEPAGE_863=y +CONFIG_NLS_CODEPAGE_864=y +CONFIG_NLS_CODEPAGE_865=y +CONFIG_NLS_CODEPAGE_866=y +CONFIG_NLS_CODEPAGE_869=y +CONFIG_NLS_CODEPAGE_936=y +CONFIG_NLS_CODEPAGE_950=y +CONFIG_NLS_CODEPAGE_932=y +CONFIG_NLS_CODEPAGE_949=y +CONFIG_NLS_CODEPAGE_874=y +CONFIG_NLS_ISO8859_8=y +CONFIG_NLS_CODEPAGE_1250=y +CONFIG_NLS_CODEPAGE_1251=y +CONFIG_NLS_ASCII=y +CONFIG_NLS_ISO8859_1=y +CONFIG_NLS_ISO8859_2=y +CONFIG_NLS_ISO8859_3=y +CONFIG_NLS_ISO8859_4=y +CONFIG_NLS_ISO8859_5=y +CONFIG_NLS_ISO8859_6=y +CONFIG_NLS_ISO8859_7=y +CONFIG_NLS_ISO8859_9=y +CONFIG_NLS_ISO8859_13=y +CONFIG_NLS_ISO8859_14=y +CONFIG_NLS_ISO8859_15=y +CONFIG_NLS_UTF8=y +CONFIG_PRINTK_TIME=y +CONFIG_DEBUG_FS=y +# CONFIG_DEBUG_PREEMPT is not set +# CONFIG_DEBUG_BUGVERBOSE is not set +# CONFIG_FTRACE is not set +CONFIG_KGDB=y +CONFIG_KGDB_KDB=y +# CONFIG_ARM_UNWIND is not set +CONFIG_CRYPTO_CBC=y +CONFIG_CRYPTO_HMAC=y +CONFIG_CRYPTO_MD5=y +CONFIG_CRYPTO_SHA1=y +CONFIG_CRYPTO_DES=y +# CONFIG_CRYPTO_ANSI_CPRNG is not set +# CONFIG_CRYPTO_HW is not set +CONFIG_CRC_ITU_T=y +CONFIG_LIBCRC32C=y --- /dev/null +++ b/arch/arm/configs/bcmrpi_sdcard_defconfig @@ -0,0 +1,176 @@ +# CONFIG_ARM_PATCH_PHYS_VIRT is not set +CONFIG_LOCALVERSION="-quick" +# CONFIG_LOCALVERSION_AUTO is not set +# CONFIG_SWAP is not set +CONFIG_SYSVIPC=y +CONFIG_POSIX_MQUEUE=y +CONFIG_NO_HZ=y +CONFIG_HIGH_RES_TIMERS=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_KALLSYMS_ALL=y +CONFIG_EMBEDDED=y +CONFIG_PERF_EVENTS=y +# CONFIG_COMPAT_BRK is not set +CONFIG_SLAB=y +# CONFIG_BLK_DEV_BSG is not set +CONFIG_ARCH_BCM2708=y +CONFIG_PREEMPT=y +CONFIG_AEABI=y +CONFIG_UACCESS_WITH_MEMCPY=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=ext4 rootwait" +CONFIG_CPU_FREQ=y +CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE=y +CONFIG_CPU_FREQ_GOV_PERFORMANCE=y +CONFIG_CPU_FREQ_GOV_USERSPACE=y +CONFIG_CPU_FREQ_GOV_ONDEMAND=y +CONFIG_CPU_FREQ_GOV_CONSERVATIVE=y +CONFIG_CPU_IDLE=y +CONFIG_VFP=y +CONFIG_BINFMT_MISC=y +CONFIG_NET=y +CONFIG_PACKET=y +CONFIG_UNIX=y +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_WIRELESS is not set +CONFIG_DEVTMPFS=y +CONFIG_DEVTMPFS_MOUNT=y +CONFIG_BLK_DEV_LOOP=y +CONFIG_BLK_DEV_RAM=y +CONFIG_SCSI=y +# CONFIG_SCSI_PROC_FS is not set +# CONFIG_SCSI_LOWLEVEL is not set +CONFIG_NETDEVICES=y +CONFIG_MII=y +# CONFIG_NET_VENDOR_BROADCOM is not set +# CONFIG_NET_VENDOR_CIRRUS is not set +# CONFIG_NET_VENDOR_FARADAY is not set +# CONFIG_NET_VENDOR_INTEL is not set +# CONFIG_NET_VENDOR_MARVELL is not set +# CONFIG_NET_VENDOR_MICREL is not set +# CONFIG_NET_VENDOR_NATSEMI is not set +# CONFIG_NET_VENDOR_SEEQ is not set +# CONFIG_NET_VENDOR_STMICRO is not set +# CONFIG_NET_VENDOR_WIZNET is not set +CONFIG_PHYLIB=y +# CONFIG_WLAN is not set +# CONFIG_INPUT_MOUSEDEV is not set +CONFIG_INPUT_EVDEV=y +# CONFIG_INPUT_KEYBOARD is not set +# CONFIG_INPUT_MOUSE is not set +# CONFIG_SERIO is not set +CONFIG_VT_HW_CONSOLE_BINDING=y +# CONFIG_LEGACY_PTYS is not set +# CONFIG_DEVKMEM is not set +CONFIG_SERIAL_AMBA_PL011=y +CONFIG_SERIAL_AMBA_PL011_CONSOLE=y +CONFIG_TTY_PRINTK=y +CONFIG_RAW_DRIVER=y +CONFIG_WATCHDOG=y +CONFIG_REGULATOR=y +CONFIG_REGULATOR_DEBUG=y +CONFIG_REGULATOR_FIXED_VOLTAGE=y +CONFIG_REGULATOR_VIRTUAL_CONSUMER=y +CONFIG_REGULATOR_USERSPACE_CONSUMER=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_SOUND=y +CONFIG_SND=y +CONFIG_MMC=y +CONFIG_MMC_SDHCI=y +CONFIG_MMC_SDHCI_PLTFM=y +CONFIG_MMC_SDHCI_BCM2708=y +CONFIG_MMC_SDHCI_BCM2708_DMA=y +CONFIG_NEW_LEDS=y +CONFIG_LEDS_CLASS=y +CONFIG_LEDS_TRIGGERS=y +# CONFIG_IOMMU_SUPPORT is not set +CONFIG_EXT4_FS=y +CONFIG_EXT4_FS_POSIX_ACL=y +CONFIG_EXT4_FS_SECURITY=y +CONFIG_AUTOFS4_FS=y +CONFIG_FSCACHE=y +CONFIG_CACHEFILES=y +CONFIG_MSDOS_FS=y +CONFIG_VFAT_FS=y +CONFIG_FAT_DEFAULT_IOCHARSET="ascii" +CONFIG_TMPFS=y +CONFIG_TMPFS_POSIX_ACL=y +CONFIG_CONFIGFS_FS=y +# CONFIG_MISC_FILESYSTEMS is not set +CONFIG_NFS_FS=y +CONFIG_NFS_V3_ACL=y +CONFIG_NFS_V4=y +CONFIG_ROOT_NFS=y +CONFIG_NFS_FSCACHE=y +CONFIG_NLS_DEFAULT="utf8" +CONFIG_NLS_CODEPAGE_437=y +CONFIG_NLS_CODEPAGE_737=y +CONFIG_NLS_CODEPAGE_775=y +CONFIG_NLS_CODEPAGE_850=y +CONFIG_NLS_CODEPAGE_852=y +CONFIG_NLS_CODEPAGE_855=y +CONFIG_NLS_CODEPAGE_857=y +CONFIG_NLS_CODEPAGE_860=y +CONFIG_NLS_CODEPAGE_861=y +CONFIG_NLS_CODEPAGE_862=y +CONFIG_NLS_CODEPAGE_863=y +CONFIG_NLS_CODEPAGE_864=y +CONFIG_NLS_CODEPAGE_865=y +CONFIG_NLS_CODEPAGE_866=y +CONFIG_NLS_CODEPAGE_869=y +CONFIG_NLS_CODEPAGE_936=y +CONFIG_NLS_CODEPAGE_950=y +CONFIG_NLS_CODEPAGE_932=y +CONFIG_NLS_CODEPAGE_949=y +CONFIG_NLS_CODEPAGE_874=y +CONFIG_NLS_ISO8859_8=y +CONFIG_NLS_CODEPAGE_1250=y +CONFIG_NLS_CODEPAGE_1251=y +CONFIG_NLS_ASCII=y +CONFIG_NLS_ISO8859_1=y +CONFIG_NLS_ISO8859_2=y +CONFIG_NLS_ISO8859_3=y +CONFIG_NLS_ISO8859_4=y +CONFIG_NLS_ISO8859_5=y +CONFIG_NLS_ISO8859_6=y +CONFIG_NLS_ISO8859_7=y +CONFIG_NLS_ISO8859_9=y +CONFIG_NLS_ISO8859_13=y +CONFIG_NLS_ISO8859_14=y +CONFIG_NLS_ISO8859_15=y +CONFIG_NLS_UTF8=y +CONFIG_PRINTK_TIME=y +CONFIG_DEBUG_FS=y +CONFIG_DETECT_HUNG_TASK=y +# CONFIG_DEBUG_PREEMPT is not set +# CONFIG_DEBUG_BUGVERBOSE is not set +# CONFIG_FTRACE is not set +CONFIG_KGDB=y +CONFIG_KGDB_KDB=y +# CONFIG_ARM_UNWIND is not set +CONFIG_CRYPTO_CBC=y +CONFIG_CRYPTO_HMAC=y +CONFIG_CRYPTO_MD5=y +CONFIG_CRYPTO_SHA1=y +CONFIG_CRYPTO_DES=y +# CONFIG_CRYPTO_ANSI_CPRNG is not set +# CONFIG_CRYPTO_HW is not set +CONFIG_CRC_ITU_T=y +CONFIG_LIBCRC32C=y --- /dev/null +++ b/arch/arm/configs/bcmrpi_small_defconfig @@ -0,0 +1,103 @@ +CONFIG_LOCALVERSION="-quick" +# CONFIG_LOCALVERSION_AUTO is not set +# CONFIG_SWAP is not set +CONFIG_SYSVIPC=y +CONFIG_NO_HZ=y +CONFIG_HIGH_RES_TIMERS=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_KALLSYMS_ALL=y +CONFIG_PERF_EVENTS=y +# CONFIG_COMPAT_BRK is not set +# CONFIG_BLK_DEV_BSG is not set +CONFIG_ARCH_BCM2836=y +# CONFIG_BCM2708_GPIO is not set +# CONFIG_BCM2708_VCMEM is not set +# CONFIG_CACHE_L2X0 is not set +CONFIG_SMP=y +CONFIG_HAVE_ARM_ARCH_TIMER=y +CONFIG_PREEMPT=y +CONFIG_AEABI=y +CONFIG_ZBOOT_ROM_TEXT=0x0 +CONFIG_ZBOOT_ROM_BSS=0x0 +CONFIG_CMDLINE="console=ttyAMA0,115200 kgdboc=ttyAMA0,115200 root=/dev/mmcblk0p2 rootfstype=ext4 rootwait" +CONFIG_CPU_IDLE=y +# CONFIG_SUSPEND is not set +CONFIG_DEVTMPFS=y +CONFIG_DEVTMPFS_MOUNT=y +CONFIG_BLK_DEV_LOOP=y +CONFIG_BLK_DEV_RAM=y +# CONFIG_BCM2708_VCHIQ is not set +# CONFIG_INPUT_MOUSEDEV is not set +CONFIG_INPUT_EVDEV=y +# CONFIG_INPUT_KEYBOARD is not set +# CONFIG_INPUT_MOUSE is not set +# CONFIG_SERIO is not set +# CONFIG_LEGACY_PTYS is not set +# CONFIG_DEVKMEM is not set +CONFIG_SERIAL_AMBA_PL011=y +CONFIG_SERIAL_AMBA_PL011_CONSOLE=y +CONFIG_RAW_DRIVER=y +# CONFIG_HID is not set +CONFIG_DMADEVICES=y +# CONFIG_IOMMU_SUPPORT is not set +CONFIG_TMPFS=y +CONFIG_TMPFS_POSIX_ACL=y +# CONFIG_MISC_FILESYSTEMS is not set +CONFIG_NLS=y +CONFIG_NLS_DEFAULT="utf8" +CONFIG_NLS_CODEPAGE_437=y +CONFIG_NLS_CODEPAGE_737=y +CONFIG_NLS_CODEPAGE_775=y +CONFIG_NLS_CODEPAGE_850=y +CONFIG_NLS_CODEPAGE_852=y +CONFIG_NLS_CODEPAGE_855=y +CONFIG_NLS_CODEPAGE_857=y +CONFIG_NLS_CODEPAGE_860=y +CONFIG_NLS_CODEPAGE_861=y +CONFIG_NLS_CODEPAGE_862=y +CONFIG_NLS_CODEPAGE_863=y +CONFIG_NLS_CODEPAGE_864=y +CONFIG_NLS_CODEPAGE_865=y +CONFIG_NLS_CODEPAGE_866=y +CONFIG_NLS_CODEPAGE_869=y +CONFIG_NLS_CODEPAGE_936=y +CONFIG_NLS_CODEPAGE_950=y +CONFIG_NLS_CODEPAGE_932=y +CONFIG_NLS_CODEPAGE_949=y +CONFIG_NLS_CODEPAGE_874=y +CONFIG_NLS_ISO8859_8=y +CONFIG_NLS_CODEPAGE_1250=y +CONFIG_NLS_CODEPAGE_1251=y +CONFIG_NLS_ASCII=y +CONFIG_NLS_ISO8859_1=y +CONFIG_NLS_ISO8859_2=y +CONFIG_NLS_ISO8859_3=y +CONFIG_NLS_ISO8859_4=y +CONFIG_NLS_ISO8859_5=y +CONFIG_NLS_ISO8859_6=y +CONFIG_NLS_ISO8859_7=y +CONFIG_NLS_ISO8859_9=y +CONFIG_NLS_ISO8859_13=y +CONFIG_NLS_ISO8859_14=y +CONFIG_NLS_ISO8859_15=y +CONFIG_NLS_UTF8=y +CONFIG_PRINTK_TIME=y +CONFIG_DEBUG_KERNEL=y +# CONFIG_DEBUG_PREEMPT is not set +# CONFIG_FTRACE is not set +CONFIG_KGDB=y +CONFIG_KGDB_KDB=y +# CONFIG_ARM_UNWIND is not set +CONFIG_DEBUG_LL=y +CONFIG_EARLY_PRINTK=y +CONFIG_CRYPTO_CBC=y +CONFIG_CRYPTO_HMAC=y +CONFIG_CRYPTO_MD5=y +CONFIG_CRYPTO_SHA1=y +CONFIG_CRYPTO_DES=y +# CONFIG_CRYPTO_ANSI_CPRNG is not set +# CONFIG_CRYPTO_HW is not set +CONFIG_CRC16=y +CONFIG_CRC_ITU_T=y +CONFIG_LIBCRC32C=y --- a/arch/arm/kernel/head.S +++ b/arch/arm/kernel/head.S @@ -673,6 +673,14 @@ ARM_BE8(rev16 ip, ip) ldrcc r7, [r4], #4 @ use branch for delay slot bcc 1b ret lr + nop + nop + nop + nop + nop + nop + nop + nop #endif ENDPROC(__fixup_a_pv_table) --- /dev/null +++ b/arch/arm/mach-bcm2709/Kconfig @@ -0,0 +1,49 @@ +menu "Broadcom BCM2709 Implementations" + depends on ARCH_BCM2709 + +config MACH_BCM2709 + bool "Broadcom BCM2709 Development Platform" + help + Include support for the Broadcom(R) BCM2709 platform. + +config BCM2709_DT + bool "BCM2709 Device Tree support" + depends on MACH_BCM2709 + default n + select USE_OF + select ARCH_REQUIRE_GPIOLIB + select PINCTRL + select PINCTRL_BCM2835 + help + Enable Device Tree support for BCM2709 + +config BCM2708_GPIO + bool "BCM2709 gpio support" + depends on MACH_BCM2709 + select ARCH_REQUIRE_GPIOLIB + default y + help + Include support for the Broadcom(R) BCM2709 gpio. + +config BCM2708_VCMEM + bool "Videocore Memory" + depends on MACH_BCM2709 + default y + help + Helper for videocore memory access and total size allocation. + +config BCM2708_NOL2CACHE + bool "Videocore L2 cache disable" + depends on MACH_BCM2709 + default y + help + Do not allow ARM to use GPU's L2 cache. Requires disable_l2cache in config.txt. + +config BCM2708_SPIDEV + bool "Bind spidev to SPI0 master" + depends on MACH_BCM2709 + depends on SPI + default y + help + Binds spidev driver to the SPI0 master +endmenu --- /dev/null +++ b/arch/arm/mach-bcm2709/Makefile @@ -0,0 +1,7 @@ +# +# Makefile for the linux kernel. +# + +obj-$(CONFIG_MACH_BCM2709) += bcm2709.o armctrl.o vcio.o power.o dma.o +obj-$(CONFIG_BCM2708_GPIO) += bcm2708_gpio.o +obj-$(CONFIG_BCM2708_VCMEM) += vc_mem.o --- /dev/null +++ b/arch/arm/mach-bcm2709/Makefile.boot @@ -0,0 +1,3 @@ + zreladdr-y := 0x00008000 +params_phys-y := 0x00000100 +initrd_phys-y := 0x00800000 --- /dev/null +++ b/arch/arm/mach-bcm2709/armctrl.c @@ -0,0 +1,357 @@ +/* + * 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 +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#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 + }; + int i; + if (d->irq >= FIQ_START) { + writel(0, __io_address(ARM_IRQ_FAST)); + } else if (d->irq >= IRQ_ARM_LOCAL_CNTPSIRQ && d->irq < IRQ_ARM_LOCAL_CNTPSIRQ + 4) { +#if 1 + unsigned int data = (unsigned int)irq_get_chip_data(d->irq) - IRQ_ARM_LOCAL_CNTPSIRQ; + for (i=0; i<4; i++) // i = raw_smp_processor_id(); // + { + unsigned int val = readl(__io_address(ARM_LOCAL_TIMER_INT_CONTROL0 + 4*i)); + writel(val &~ (1 << data), __io_address(ARM_LOCAL_TIMER_INT_CONTROL0 + 4*i)); + } +#endif + } else if (d->irq >= IRQ_ARM_LOCAL_MAILBOX0 && d->irq < IRQ_ARM_LOCAL_MAILBOX0 + 4) { +#if 0 + unsigned int data = (unsigned int)irq_get_chip_data(d->irq) - IRQ_ARM_LOCAL_MAILBOX0; + for (i=0; i<4; i++) { + unsigned int val = readl(__io_address(ARM_LOCAL_MAILBOX_INT_CONTROL0 + 4*i)); + writel(val &~ (1 << data), __io_address(ARM_LOCAL_MAILBOX_INT_CONTROL0 + 4*i)); + } +#endif + } else if (d->irq >= ARM_IRQ1_BASE && d->irq < ARM_IRQ_LOCAL_BASE) { + unsigned int data = (unsigned int)irq_get_chip_data(d->irq); + writel(1 << (data & 0x1f), __io_address(disables[(data >> 5) & 0x3])); + } else { printk("%s: %d\n", __func__, d->irq); BUG(); } +} + +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 + }; + int i; + if (d->irq >= FIQ_START) { + unsigned int data = (unsigned int)irq_get_chip_data(d->irq) - FIQ_START; + writel(0x80 | data, __io_address(ARM_IRQ_FAST)); + } else if (d->irq >= IRQ_ARM_LOCAL_CNTPSIRQ && d->irq < IRQ_ARM_LOCAL_CNTPSIRQ + 4) { +#if 1 + unsigned int data = (unsigned int)irq_get_chip_data(d->irq) - IRQ_ARM_LOCAL_CNTPSIRQ; + for (i=0; i<4; i++) // i = raw_smp_processor_id(); + { + unsigned int val = readl(__io_address(ARM_LOCAL_TIMER_INT_CONTROL0 + 4*i)); + writel(val | (1 << data), __io_address(ARM_LOCAL_TIMER_INT_CONTROL0 + 4*i)); + } +#endif + } else if (d->irq >= IRQ_ARM_LOCAL_MAILBOX0 && d->irq < IRQ_ARM_LOCAL_MAILBOX0 + 4) { +#if 0 + unsigned int data = (unsigned int)irq_get_chip_data(d->irq) - IRQ_ARM_LOCAL_MAILBOX0; + for (i=0; i<4; i++) { + unsigned int val = readl(__io_address(ARM_LOCAL_MAILBOX_INT_CONTROL0 + 4*i)); + writel(val | (1 << data), __io_address(ARM_LOCAL_MAILBOX_INT_CONTROL0 + 4*i)); + } +#endif + } else if (d->irq >= ARM_IRQ1_BASE && d->irq < ARM_IRQ_LOCAL_BASE) { + unsigned int data = (unsigned int)irq_get_chip_data(d->irq); + writel(1 << (data & 0x1f), __io_address(enables[(data >> 5) & 0x3])); + } else { printk("%s: %d\n", __func__, d->irq); BUG(); } +} + +#ifdef CONFIG_OF + +#define NR_IRQS_BANK0 21 +#define NR_BANKS 4 +#define IRQS_PER_BANK 32 + +/* from drivers/irqchip/irq-bcm2835.c */ +static int armctrl_xlate(struct irq_domain *d, struct device_node *ctrlr, + const u32 *intspec, unsigned int intsize, + unsigned long *out_hwirq, unsigned int *out_type) +{ + if (WARN_ON(intsize != 2)) + return -EINVAL; + + if (WARN_ON(intspec[0] >= NR_BANKS)) + return -EINVAL; + + if (WARN_ON(intspec[1] >= IRQS_PER_BANK)) + return -EINVAL; + + if (WARN_ON(intspec[0] == 0 && intspec[1] >= NR_IRQS_BANK0)) + return -EINVAL; + + if (WARN_ON(intspec[0] == 3 && intspec[1] > 3 && intspec[1] != 5)) + return -EINVAL; + + if (intspec[0] == 0) + *out_hwirq = ARM_IRQ0_BASE + intspec[1]; + else if (intspec[0] == 1) + *out_hwirq = ARM_IRQ1_BASE + intspec[1]; + else if (intspec[0] == 2) + *out_hwirq = ARM_IRQ2_BASE + intspec[1]; + else + *out_hwirq = ARM_IRQ_LOCAL_BASE + intspec[1]; + + /* reverse remap_irqs[] */ + switch (*out_hwirq) { + case INTERRUPT_VC_JPEG: + *out_hwirq = INTERRUPT_JPEG; + break; + case INTERRUPT_VC_USB: + *out_hwirq = INTERRUPT_USB; + break; + case INTERRUPT_VC_3D: + *out_hwirq = INTERRUPT_3D; + break; + case INTERRUPT_VC_DMA2: + *out_hwirq = INTERRUPT_DMA2; + break; + case INTERRUPT_VC_DMA3: + *out_hwirq = INTERRUPT_DMA3; + break; + case INTERRUPT_VC_I2C: + *out_hwirq = INTERRUPT_I2C; + break; + case INTERRUPT_VC_SPI: + *out_hwirq = INTERRUPT_SPI; + break; + case INTERRUPT_VC_I2SPCM: + *out_hwirq = INTERRUPT_I2SPCM; + break; + case INTERRUPT_VC_SDIO: + *out_hwirq = INTERRUPT_SDIO; + break; + case INTERRUPT_VC_UART: + *out_hwirq = INTERRUPT_UART; + break; + case INTERRUPT_VC_ARASANSDIO: + *out_hwirq = INTERRUPT_ARASANSDIO; + break; + } + + *out_type = IRQ_TYPE_NONE; + return 0; +} + +static struct irq_domain_ops armctrl_ops = { + .xlate = armctrl_xlate +}; + +void __init armctrl_dt_init(void) +{ + struct device_node *np; + struct irq_domain *domain; + + np = of_find_compatible_node(NULL, NULL, "brcm,bcm2708-armctrl-ic"); + if (!np) + return; + + domain = irq_domain_add_legacy(np, BCM2708_ALLOC_IRQS, + IRQ_ARMCTRL_START, 0, + &armctrl_ops, NULL); + WARN_ON(!domain); +} +#else +void __init armctrl_dt_init(void) { } +#endif /* CONFIG_OF */ + +#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]; + if (irq >= IRQ_ARM_LOCAL_CNTPSIRQ && irq <= IRQ_ARM_LOCAL_TIMER) { + irq_set_percpu_devid(irq); + irq_set_chip_and_handler(irq, &armctrl_chip, handle_percpu_devid_irq); + set_irq_flags(irq, IRQF_VALID | IRQF_NOAUTOEN); + } else { + irq_set_chip_and_handler(irq, &armctrl_chip, handle_level_irq); + set_irq_flags(irq, IRQF_VALID | IRQF_PROBE | IRQF_DISABLED); + } + irq_set_chip_data(irq, (void *)data); + } + + armctrl_pm_register(base, irq_start, resume_sources); + init_FIQ(FIQ_START); + armctrl_dt_init(); + return 0; +} --- /dev/null +++ b/arch/arm/mach-bcm2709/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-bcm2709/bcm2708_gpio.c @@ -0,0 +1,426 @@ +/* + * linux/arch/arm/mach-bcm2708/bcm2708_gpio.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 +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +#define BCM_GPIO_DRIVER_NAME "bcm2708_gpio" +#define DRIVER_NAME BCM_GPIO_DRIVER_NAME +#define BCM_GPIO_USE_IRQ 1 + +#define GPIOFSEL(x) (0x00+(x)*4) +#define GPIOSET(x) (0x1c+(x)*4) +#define GPIOCLR(x) (0x28+(x)*4) +#define GPIOLEV(x) (0x34+(x)*4) +#define GPIOEDS(x) (0x40+(x)*4) +#define GPIOREN(x) (0x4c+(x)*4) +#define GPIOFEN(x) (0x58+(x)*4) +#define GPIOHEN(x) (0x64+(x)*4) +#define GPIOLEN(x) (0x70+(x)*4) +#define GPIOAREN(x) (0x7c+(x)*4) +#define GPIOAFEN(x) (0x88+(x)*4) +#define GPIOUD(x) (0x94+(x)*4) +#define GPIOUDCLK(x) (0x98+(x)*4) + +#define GPIO_BANKS 2 + +enum { GPIO_FSEL_INPUT, GPIO_FSEL_OUTPUT, + GPIO_FSEL_ALT5, GPIO_FSEL_ALT_4, + GPIO_FSEL_ALT0, GPIO_FSEL_ALT1, + GPIO_FSEL_ALT2, GPIO_FSEL_ALT3, +}; + + /* Each of the two spinlocks protects a different set of hardware + * regiters and data structurs. This decouples the code of the IRQ from + * the GPIO code. This also makes the case of a GPIO routine call from + * the IRQ code simpler. + */ +static DEFINE_SPINLOCK(lock); /* GPIO registers */ + +struct bcm2708_gpio { + struct list_head list; + void __iomem *base; + struct gpio_chip gc; + unsigned long rising[(BCM2708_NR_GPIOS + 31) / 32]; + unsigned long falling[(BCM2708_NR_GPIOS + 31) / 32]; + unsigned long high[(BCM2708_NR_GPIOS + 31) / 32]; + unsigned long low[(BCM2708_NR_GPIOS + 31) / 32]; +}; + +static int bcm2708_set_function(struct gpio_chip *gc, unsigned offset, + int function) +{ + struct bcm2708_gpio *gpio = container_of(gc, struct bcm2708_gpio, gc); + unsigned long flags; + unsigned gpiodir; + unsigned gpio_bank = offset / 10; + unsigned gpio_field_offset = (offset - 10 * gpio_bank) * 3; + +//printk(KERN_ERR DRIVER_NAME ": bcm2708_gpio_set_function %p (%d,%d)\n", gc, offset, function); + if (offset >= BCM2708_NR_GPIOS) + return -EINVAL; + + spin_lock_irqsave(&lock, flags); + + gpiodir = readl(gpio->base + GPIOFSEL(gpio_bank)); + gpiodir &= ~(7 << gpio_field_offset); + gpiodir |= function << gpio_field_offset; + writel(gpiodir, gpio->base + GPIOFSEL(gpio_bank)); + spin_unlock_irqrestore(&lock, flags); + gpiodir = readl(gpio->base + GPIOFSEL(gpio_bank)); + + return 0; +} + +static int bcm2708_gpio_dir_in(struct gpio_chip *gc, unsigned offset) +{ + return bcm2708_set_function(gc, offset, GPIO_FSEL_INPUT); +} + +static void bcm2708_gpio_set(struct gpio_chip *gc, unsigned offset, int value); +static int bcm2708_gpio_dir_out(struct gpio_chip *gc, unsigned offset, + int value) +{ + int ret; + ret = bcm2708_set_function(gc, offset, GPIO_FSEL_OUTPUT); + if (ret >= 0) + bcm2708_gpio_set(gc, offset, value); + return ret; +} + +static int bcm2708_gpio_get(struct gpio_chip *gc, unsigned offset) +{ + struct bcm2708_gpio *gpio = container_of(gc, struct bcm2708_gpio, gc); + unsigned gpio_bank = offset / 32; + unsigned gpio_field_offset = (offset - 32 * gpio_bank); + unsigned lev; + + if (offset >= BCM2708_NR_GPIOS) + return 0; + lev = readl(gpio->base + GPIOLEV(gpio_bank)); +//printk(KERN_ERR DRIVER_NAME ": bcm2708_gpio_get %p (%d)=%d\n", gc, offset, 0x1 & (lev>>gpio_field_offset)); + return 0x1 & (lev >> gpio_field_offset); +} + +static void bcm2708_gpio_set(struct gpio_chip *gc, unsigned offset, int value) +{ + struct bcm2708_gpio *gpio = container_of(gc, struct bcm2708_gpio, gc); + unsigned gpio_bank = offset / 32; + unsigned gpio_field_offset = (offset - 32 * gpio_bank); +//printk(KERN_ERR DRIVER_NAME ": bcm2708_gpio_set %p (%d=%d)\n", gc, offset, value); + if (offset >= BCM2708_NR_GPIOS) + return; + if (value) + writel(1 << gpio_field_offset, gpio->base + GPIOSET(gpio_bank)); + else + writel(1 << gpio_field_offset, gpio->base + GPIOCLR(gpio_bank)); +} + +/********************** + * extension to configure pullups + */ +int bcm2708_gpio_setpull(struct gpio_chip *gc, unsigned offset, + bcm2708_gpio_pull_t value) +{ + struct bcm2708_gpio *gpio = container_of(gc, struct bcm2708_gpio, gc); + unsigned gpio_bank = offset / 32; + unsigned gpio_field_offset = (offset - 32 * gpio_bank); + + if (offset >= BCM2708_NR_GPIOS) + return -EINVAL; + + switch (value) { + case BCM2708_PULL_UP: + writel(2, gpio->base + GPIOUD(0)); + break; + case BCM2708_PULL_DOWN: + writel(1, gpio->base + GPIOUD(0)); + break; + case BCM2708_PULL_OFF: + writel(0, gpio->base + GPIOUD(0)); + break; + } + + udelay(5); + writel(1 << gpio_field_offset, gpio->base + GPIOUDCLK(gpio_bank)); + udelay(5); + writel(0, gpio->base + GPIOUD(0)); + writel(0 << gpio_field_offset, gpio->base + GPIOUDCLK(gpio_bank)); + + return 0; +} +EXPORT_SYMBOL(bcm2708_gpio_setpull); + +/************************************************************************************************************************* + * bcm2708 GPIO IRQ + */ + +#if BCM_GPIO_USE_IRQ + +static int bcm2708_gpio_to_irq(struct gpio_chip *chip, unsigned gpio) +{ + return gpio_to_irq(gpio); +} + +static int bcm2708_gpio_irq_set_type(struct irq_data *d, unsigned type) +{ + unsigned irq = d->irq; + struct bcm2708_gpio *gpio = irq_get_chip_data(irq); + unsigned gn = irq_to_gpio(irq); + unsigned gb = gn / 32; + unsigned go = gn % 32; + + gpio->rising[gb] &= ~(1 << go); + gpio->falling[gb] &= ~(1 << go); + gpio->high[gb] &= ~(1 << go); + gpio->low[gb] &= ~(1 << go); + + if (type & ~(IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING | IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH)) + return -EINVAL; + + if (type & IRQ_TYPE_EDGE_RISING) + gpio->rising[gb] |= (1 << go); + if (type & IRQ_TYPE_EDGE_FALLING) + gpio->falling[gb] |= (1 << go); + if (type & IRQ_TYPE_LEVEL_HIGH) + gpio->high[gb] |= (1 << go); + if (type & IRQ_TYPE_LEVEL_LOW) + gpio->low[gb] |= (1 << go); + return 0; +} + +static void bcm2708_gpio_irq_mask(struct irq_data *d) +{ + unsigned irq = d->irq; + struct bcm2708_gpio *gpio = irq_get_chip_data(irq); + unsigned gn = irq_to_gpio(irq); + unsigned gb = gn / 32; + unsigned long rising = readl(gpio->base + GPIOREN(gb)); + unsigned long falling = readl(gpio->base + GPIOFEN(gb)); + unsigned long high = readl(gpio->base + GPIOHEN(gb)); + unsigned long low = readl(gpio->base + GPIOLEN(gb)); + + gn = gn % 32; + + writel(rising & ~(1 << gn), gpio->base + GPIOREN(gb)); + writel(falling & ~(1 << gn), gpio->base + GPIOFEN(gb)); + writel(high & ~(1 << gn), gpio->base + GPIOHEN(gb)); + writel(low & ~(1 << gn), gpio->base + GPIOLEN(gb)); +} + +static void bcm2708_gpio_irq_unmask(struct irq_data *d) +{ + unsigned irq = d->irq; + struct bcm2708_gpio *gpio = irq_get_chip_data(irq); + unsigned gn = irq_to_gpio(irq); + unsigned gb = gn / 32; + unsigned go = gn % 32; + unsigned long rising = readl(gpio->base + GPIOREN(gb)); + unsigned long falling = readl(gpio->base + GPIOFEN(gb)); + unsigned long high = readl(gpio->base + GPIOHEN(gb)); + unsigned long low = readl(gpio->base + GPIOLEN(gb)); + + if (gpio->rising[gb] & (1 << go)) { + writel(rising | (1 << go), gpio->base + GPIOREN(gb)); + } else { + writel(rising & ~(1 << go), gpio->base + GPIOREN(gb)); + } + + if (gpio->falling[gb] & (1 << go)) { + writel(falling | (1 << go), gpio->base + GPIOFEN(gb)); + } else { + writel(falling & ~(1 << go), gpio->base + GPIOFEN(gb)); + } + + if (gpio->high[gb] & (1 << go)) { + writel(high | (1 << go), gpio->base + GPIOHEN(gb)); + } else { + writel(high & ~(1 << go), gpio->base + GPIOHEN(gb)); + } + + if (gpio->low[gb] & (1 << go)) { + writel(low | (1 << go), gpio->base + GPIOLEN(gb)); + } else { + writel(low & ~(1 << go), gpio->base + GPIOLEN(gb)); + } +} + +static struct irq_chip bcm2708_irqchip = { + .name = "GPIO", + .irq_enable = bcm2708_gpio_irq_unmask, + .irq_disable = bcm2708_gpio_irq_mask, + .irq_unmask = bcm2708_gpio_irq_unmask, + .irq_mask = bcm2708_gpio_irq_mask, + .irq_set_type = bcm2708_gpio_irq_set_type, +}; + +static irqreturn_t bcm2708_gpio_interrupt(int irq, void *dev_id) +{ + unsigned long edsr; + unsigned bank; + int i; + unsigned gpio; + unsigned level_bits; + struct bcm2708_gpio *gpio_data = dev_id; + + for (bank = 0; bank < GPIO_BANKS; bank++) { + edsr = readl(__io_address(GPIO_BASE) + GPIOEDS(bank)); + level_bits = gpio_data->high[bank] | gpio_data->low[bank]; + + for_each_set_bit(i, &edsr, 32) { + gpio = i + bank * 32; + /* ack edge triggered IRQs immediately */ + if (!(level_bits & (1<gc.to_irq = bcm2708_gpio_to_irq; + + for (irq = GPIO_IRQ_START; irq < (GPIO_IRQ_START + GPIO_IRQS); irq++) { + irq_set_chip_data(irq, ucb); + irq_set_chip_and_handler(irq, &bcm2708_irqchip, + handle_simple_irq); + set_irq_flags(irq, IRQF_VALID); + } + + bcm2708_gpio_irq.dev_id = ucb; + setup_irq(IRQ_GPIO3, &bcm2708_gpio_irq); +} + +#else + +static void bcm2708_gpio_irq_init(struct bcm2708_gpio *ucb) +{ +} + +#endif /* #if BCM_GPIO_USE_IRQ ***************************************************************************************************************** */ + +static int bcm2708_gpio_probe(struct platform_device *dev) +{ + struct bcm2708_gpio *ucb; + struct resource *res; + int bank; + int err = 0; + + printk(KERN_INFO DRIVER_NAME ": bcm2708_gpio_probe %p\n", dev); + + ucb = kzalloc(sizeof(*ucb), GFP_KERNEL); + if (NULL == ucb) { + printk(KERN_ERR DRIVER_NAME ": failed to allocate " + "mailbox memory\n"); + err = -ENOMEM; + goto err; + } + + res = platform_get_resource(dev, IORESOURCE_MEM, 0); + + platform_set_drvdata(dev, ucb); + ucb->base = __io_address(GPIO_BASE); + + ucb->gc.label = "bcm2708_gpio"; + ucb->gc.base = 0; + ucb->gc.ngpio = BCM2708_NR_GPIOS; + ucb->gc.owner = THIS_MODULE; + + ucb->gc.direction_input = bcm2708_gpio_dir_in; + ucb->gc.direction_output = bcm2708_gpio_dir_out; + ucb->gc.get = bcm2708_gpio_get; + ucb->gc.set = bcm2708_gpio_set; + ucb->gc.can_sleep = 0; + + for (bank = 0; bank < GPIO_BANKS; bank++) { + writel(0, ucb->base + GPIOREN(bank)); + writel(0, ucb->base + GPIOFEN(bank)); + writel(0, ucb->base + GPIOHEN(bank)); + writel(0, ucb->base + GPIOLEN(bank)); + writel(0, ucb->base + GPIOAREN(bank)); + writel(0, ucb->base + GPIOAFEN(bank)); + writel(~0, ucb->base + GPIOEDS(bank)); + } + + bcm2708_gpio_irq_init(ucb); + + err = gpiochip_add(&ucb->gc); + +err: + return err; + +} + +static int bcm2708_gpio_remove(struct platform_device *dev) +{ + int err = 0; + struct bcm2708_gpio *ucb = platform_get_drvdata(dev); + + printk(KERN_ERR DRIVER_NAME ": bcm2708_gpio_remove %p\n", dev); + + gpiochip_remove(&ucb->gc); + + platform_set_drvdata(dev, NULL); + kfree(ucb); + + return err; +} + +static struct platform_driver bcm2708_gpio_driver = { + .probe = bcm2708_gpio_probe, + .remove = bcm2708_gpio_remove, + .driver = { + .name = "bcm2708_gpio"}, +}; + +static int __init bcm2708_gpio_init(void) +{ + return platform_driver_register(&bcm2708_gpio_driver); +} + +static void __exit bcm2708_gpio_exit(void) +{ + platform_driver_unregister(&bcm2708_gpio_driver); +} + +module_init(bcm2708_gpio_init); +module_exit(bcm2708_gpio_exit); + +MODULE_DESCRIPTION("Broadcom BCM2708 GPIO driver"); +MODULE_LICENSE("GPL"); --- /dev/null +++ b/arch/arm/mach-bcm2709/bcm2709.c @@ -0,0 +1,1237 @@ +/* + * linux/arch/arm/mach-bcm2709/bcm2709.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 +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +#include + +#include "bcm2709.h" +#include "armctrl.h" + +#ifdef CONFIG_BCM_VC_CMA +#include +#endif + +//#define SYSTEM_TIMER + +/* 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 + +// use GPIO 4 for the one-wire GPIO pin, if enabled +#define W1_GPIO 4 +// ensure one-wire GPIO pullup is disabled by default +#define W1_PULLUP -1 + +/* command line parameters */ +static unsigned boardrev, serial; +static unsigned uart_clock = UART0_CLOCK; +static unsigned disk_led_gpio = 16; +static unsigned disk_led_active_low = 1; +static unsigned reboot_part = 0; +static unsigned w1_gpio_pin = W1_GPIO; +static unsigned w1_gpio_pullup = W1_PULLUP; + +static unsigned use_dt = 0; + +static void __init bcm2709_init_led(void); + +void __init bcm2709_init_irq(void) +{ + armctrl_init(__io_address(ARMCTRL_IC_BASE), 0, 0, 0); +} + +static struct map_desc bcm2709_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}, + { + .virtual = IO_ADDRESS(ARM_LOCAL_BASE), + .pfn = __phys_to_pfn(ARM_LOCAL_BASE), + .length = SZ_4K, + .type = MT_DEVICE}, +}; + +void __init bcm2709_map_io(void) +{ + iotable_init(bcm2709_io_desc, ARRAY_SIZE(bcm2709_io_desc)); +} + +#ifdef SYSTEM_TIMER + +/* 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 bcm2709_read_current_timer(void) +{ + return timer_read(); +} + +static u64 notrace bcm2709_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 bcm2709_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); + } +} +#endif + +struct clk __init *bcm2709_clk_register(const char *name, unsigned long fixed_rate) +{ + struct clk *clk; + + clk = clk_register_fixed_rate(NULL, name, NULL, CLK_IS_ROOT, + fixed_rate); + if (IS_ERR(clk)) + pr_err("%s not registered\n", name); + + return clk; +} + +void __init bcm2709_register_clkdev(struct clk *clk, const char *name) +{ + int ret; + + ret = clk_register_clkdev(clk, NULL, name); + if (ret) + pr_err("%s alias not registered\n", name); +} + +void __init bcm2709_init_clocks(void) +{ + struct clk *clk; + + clk = bcm2709_clk_register("uart0_clk", uart_clock); + bcm2709_register_clkdev(clk, "dev:f1"); + + clk = bcm2709_clk_register("sdhost_clk", 250000000); + bcm2709_register_clkdev(clk, "bcm2708_spi.0"); + bcm2709_register_clkdev(clk, "bcm2708_i2c.0"); + bcm2709_register_clkdev(clk, "bcm2708_i2c.1"); +} + +#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), +}; + +#if defined(CONFIG_W1_MASTER_GPIO) || defined(CONFIG_W1_MASTER_GPIO_MODULE) +static struct w1_gpio_platform_data w1_gpio_pdata = { + .pin = W1_GPIO, + .ext_pullup_enable_pin = W1_PULLUP, + .is_open_drain = 0, +}; + +static struct platform_device w1_device = { + .name = "w1-gpio", + .id = -1, + .dev.platform_data = &w1_gpio_pdata, +}; +#endif + +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 = MPHI_BASE, + .end = MPHI_BASE + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, + [2] = { + .start = IRQ_HOSTPORT, + .end = IRQ_HOSTPORT, + .flags = IORESOURCE_IRQ, + }, + [3] = { + .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), + }, +}; + +#ifdef CONFIG_BCM2708_GPIO +#define BCM_GPIO_DRIVER_NAME "bcm2708_gpio" + +static struct resource bcm2708_gpio_resources[] = { + [0] = { /* general purpose I/O */ + .start = GPIO_BASE, + .end = GPIO_BASE + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, +}; + +static u64 gpio_dmamask = DMA_BIT_MASK(DMA_MASK_BITS_COMMON); + +static struct platform_device bcm2708_gpio_device = { + .name = BCM_GPIO_DRIVER_NAME, + .id = -1, /* only one VideoCore I/O area */ + .resource = bcm2708_gpio_resources, + .num_resources = ARRAY_SIZE(bcm2708_gpio_resources), + .dev = { + .dma_mask = &gpio_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(DMA_MASK_BITS_COMMON), + }, +}; +#endif + +#ifdef SYSTEM_TIMER +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), + }, +}; +#endif + +#ifdef CONFIG_MMC_BCM2835 /* Arasan emmc SD (new) */ +static struct resource bcm2835_emmc_resources[] = { + [0] = { + .start = EMMC_BASE, + .end = EMMC_BASE + SZ_256 - 1, /* we only need this area */ + /* the memory map actually makes SZ_4K available */ + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_ARASANSDIO, + .end = IRQ_ARASANSDIO, + .flags = IORESOURCE_IRQ, + }, +}; + +static u64 bcm2835_emmc_dmamask = 0xffffffffUL; + +struct platform_device bcm2835_emmc_device = { + .name = "mmc-bcm2835", + .id = 0, + .num_resources = ARRAY_SIZE(bcm2835_emmc_resources), + .resource = bcm2835_emmc_resources, + .dev = { + .dma_mask = &bcm2835_emmc_dmamask, + .coherent_dma_mask = 0xffffffffUL}, +}; +#endif /* CONFIG_MMC_BCM2835 */ + +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}, +}; + + +static struct platform_device bcm2708_alsa_devices[] = { + [0] = { + .name = "bcm2835_AUD0", + .id = 0, /* first audio device */ + .resource = 0, + .num_resources = 0, + }, + [1] = { + .name = "bcm2835_AUD1", + .id = 1, /* second audio device */ + .resource = 0, + .num_resources = 0, + }, + [2] = { + .name = "bcm2835_AUD2", + .id = 2, /* third audio device */ + .resource = 0, + .num_resources = 0, + }, + [3] = { + .name = "bcm2835_AUD3", + .id = 3, /* forth audio device */ + .resource = 0, + .num_resources = 0, + }, + [4] = { + .name = "bcm2835_AUD4", + .id = 4, /* fifth audio device */ + .resource = 0, + .num_resources = 0, + }, + [5] = { + .name = "bcm2835_AUD5", + .id = 5, /* sixth audio device */ + .resource = 0, + .num_resources = 0, + }, + [6] = { + .name = "bcm2835_AUD6", + .id = 6, /* seventh audio device */ + .resource = 0, + .num_resources = 0, + }, + [7] = { + .name = "bcm2835_AUD7", + .id = 7, /* eighth audio device */ + .resource = 0, + .num_resources = 0, + }, +}; + +static struct resource bcm2708_spi_resources[] = { + { + .start = SPI0_BASE, + .end = SPI0_BASE + SZ_256 - 1, + .flags = IORESOURCE_MEM, + }, { + .start = IRQ_SPI, + .end = IRQ_SPI, + .flags = IORESOURCE_IRQ, + } +}; + + +static u64 bcm2708_spi_dmamask = DMA_BIT_MASK(DMA_MASK_BITS_COMMON); +static struct platform_device bcm2708_spi_device = { + .name = "bcm2708_spi", + .id = 0, + .num_resources = ARRAY_SIZE(bcm2708_spi_resources), + .resource = bcm2708_spi_resources, + .dev = { + .dma_mask = &bcm2708_spi_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(DMA_MASK_BITS_COMMON)}, +}; + +#ifdef CONFIG_BCM2708_SPIDEV +static struct spi_board_info bcm2708_spi_devices[] = { +#ifdef CONFIG_SPI_SPIDEV + { + .modalias = "spidev", + .max_speed_hz = 500000, + .bus_num = 0, + .chip_select = 0, + .mode = SPI_MODE_0, + }, { + .modalias = "spidev", + .max_speed_hz = 500000, + .bus_num = 0, + .chip_select = 1, + .mode = SPI_MODE_0, + } +#endif +}; +#endif + +static struct resource bcm2708_bsc0_resources[] = { + { + .start = BSC0_BASE, + .end = BSC0_BASE + SZ_256 - 1, + .flags = IORESOURCE_MEM, + }, { + .start = INTERRUPT_I2C, + .end = INTERRUPT_I2C, + .flags = IORESOURCE_IRQ, + } +}; + +static struct platform_device bcm2708_bsc0_device = { + .name = "bcm2708_i2c", + .id = 0, + .num_resources = ARRAY_SIZE(bcm2708_bsc0_resources), + .resource = bcm2708_bsc0_resources, +}; + + +static struct resource bcm2708_bsc1_resources[] = { + { + .start = BSC1_BASE, + .end = BSC1_BASE + SZ_256 - 1, + .flags = IORESOURCE_MEM, + }, { + .start = INTERRUPT_I2C, + .end = INTERRUPT_I2C, + .flags = IORESOURCE_IRQ, + } +}; + +static struct platform_device bcm2708_bsc1_device = { + .name = "bcm2708_i2c", + .id = 1, + .num_resources = ARRAY_SIZE(bcm2708_bsc1_resources), + .resource = bcm2708_bsc1_resources, +}; + +static struct platform_device bcm2835_hwmon_device = { + .name = "bcm2835_hwmon", +}; + +static struct platform_device bcm2835_thermal_device = { + .name = "bcm2835_thermal", +}; + +#if defined(CONFIG_SND_BCM2708_SOC_I2S) || defined(CONFIG_SND_BCM2708_SOC_I2S_MODULE) +static struct resource bcm2708_i2s_resources[] = { + { + .start = I2S_BASE, + .end = I2S_BASE + 0x20, + .flags = IORESOURCE_MEM, + }, + { + .start = PCM_CLOCK_BASE, + .end = PCM_CLOCK_BASE + 0x02, + .flags = IORESOURCE_MEM, + } +}; + +static struct platform_device bcm2708_i2s_device = { + .name = "bcm2708-i2s", + .id = 0, + .num_resources = ARRAY_SIZE(bcm2708_i2s_resources), + .resource = bcm2708_i2s_resources, +}; +#endif + +#if defined(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DAC) || defined(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DAC_MODULE) +static struct platform_device snd_hifiberry_dac_device = { + .name = "snd-hifiberry-dac", + .id = 0, + .num_resources = 0, +}; + +static struct platform_device snd_pcm5102a_codec_device = { + .name = "pcm5102a-codec", + .id = -1, + .num_resources = 0, +}; +#endif + +#if defined(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DACPLUS) || defined(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DACPLUS_MODULE) +static struct platform_device snd_rpi_hifiberry_dacplus_device = { + .name = "snd-rpi-hifiberry-dacplus", + .id = 0, + .num_resources = 0, +}; + +static struct i2c_board_info __initdata snd_pcm512x_hbdacplus_i2c_devices[] = { + { + I2C_BOARD_INFO("pcm5122", 0x4d) + }, +}; +#endif + +#if defined(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DIGI) || defined(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DIGI_MODULE) +static struct platform_device snd_hifiberry_digi_device = { + .name = "snd-hifiberry-digi", + .id = 0, + .num_resources = 0, +}; + +static struct i2c_board_info __initdata snd_wm8804_i2c_devices[] = { + { + I2C_BOARD_INFO("wm8804", 0x3b) + }, +}; + +#endif + +#if defined(CONFIG_SND_BCM2708_SOC_HIFIBERRY_AMP) || defined(CONFIG_SND_BCM2708_SOC_HIFIBERRY_AMP_MODULE) +static struct platform_device snd_hifiberry_amp_device = { + .name = "snd-hifiberry-amp", + .id = 0, + .num_resources = 0, +}; + +static struct i2c_board_info __initdata snd_tas5713_i2c_devices[] = { + { + I2C_BOARD_INFO("tas5713", 0x1b) + }, +}; +#endif + +#if defined(CONFIG_SND_BCM2708_SOC_RPI_DAC) || defined(CONFIG_SND_BCM2708_SOC_RPI_DAC_MODULE) +static struct platform_device snd_rpi_dac_device = { + .name = "snd-rpi-dac", + .id = 0, + .num_resources = 0, +}; + +static struct platform_device snd_pcm1794a_codec_device = { + .name = "pcm1794a-codec", + .id = -1, + .num_resources = 0, +}; +#endif + + +#if defined(CONFIG_SND_BCM2708_SOC_IQAUDIO_DAC) || defined(CONFIG_SND_BCM2708_SOC_IQAUDIO_DAC_MODULE) +static struct platform_device snd_rpi_iqaudio_dac_device = { + .name = "snd-rpi-iqaudio-dac", + .id = 0, + .num_resources = 0, +}; + +// Use the actual device name rather than generic driver name +static struct i2c_board_info __initdata snd_pcm512x_i2c_devices[] = { + { + I2C_BOARD_INFO("pcm5122", 0x4c) + }, +}; +#endif + +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; +} + +/* + * Use these macros for platform and i2c devices that are present in the + * Device Tree. This way the devices are only added on non-DT systems. + */ +#define bcm_register_device_dt(pdev) \ + if (!use_dt) bcm_register_device(pdev) + +#define i2c_register_board_info_dt(busnum, info, n) \ + if (!use_dt) i2c_register_board_info(busnum, info, n) + +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 bcm2709_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 bcm2709_power_off(void) +{ + extern char bcm2708_reboot_mode; + if(bcm2708_reboot_mode == 'q') + { + // NOOBS < v1.3 + bcm2709_restart('p', ""); + } + else + { + /* partition 63 is special code for HALT the bootloader knows not to boot*/ + reboot_part = 63; + /* continue with normal reset mechanism */ + bcm2709_restart(0, ""); + } +} + +#ifdef CONFIG_OF +static void __init bcm2709_dt_init(void) +{ + int ret; + + ret = of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); + if (ret) { + pr_err("of_platform_populate failed: %d\n", ret); + use_dt = 0; + } +} +#else +static void __init bcm2709_dt_init(void) { } +#endif /* CONFIG_OF */ + +void __init bcm2709_init(void) +{ + int i; + +#if defined(CONFIG_BCM_VC_CMA) + vc_cma_early_init(); +#endif + printk("bcm2709.uart_clock = %d\n", uart_clock); + pm_power_off = bcm2709_power_off; + + bcm2709_init_clocks(); + if (use_dt) + bcm2709_dt_init(); + + bcm_register_device(&bcm2708_dmaman_device); + bcm_register_device(&bcm2708_vcio_device); +#ifdef CONFIG_BCM2708_GPIO + bcm_register_device_dt(&bcm2708_gpio_device); +#endif +#if defined(CONFIG_W1_MASTER_GPIO) || defined(CONFIG_W1_MASTER_GPIO_MODULE) + w1_gpio_pdata.pin = w1_gpio_pin; + w1_gpio_pdata.ext_pullup_enable_pin = w1_gpio_pullup; + bcm_register_device_dt(&w1_device); +#endif +#ifdef SYSTEM_TIMER + bcm_register_device(&bcm2708_systemtimer_device); +#endif + bcm_register_device(&bcm2708_fb_device); + bcm_register_device(&bcm2708_usb_device); + bcm_register_device(&bcm2708_uart1_device); + bcm_register_device(&bcm2708_powerman_device); + +#ifdef CONFIG_MMC_BCM2835 + bcm_register_device(&bcm2835_emmc_device); +#endif + bcm2709_init_led(); + for (i = 0; i < ARRAY_SIZE(bcm2708_alsa_devices); i++) + bcm_register_device(&bcm2708_alsa_devices[i]); + + bcm_register_device(&bcm2835_hwmon_device); + bcm_register_device(&bcm2835_thermal_device); + + bcm_register_device_dt(&bcm2708_spi_device); + bcm_register_device_dt(&bcm2708_bsc0_device); + bcm_register_device_dt(&bcm2708_bsc1_device); + +#if defined(CONFIG_SND_BCM2708_SOC_I2S) || defined(CONFIG_SND_BCM2708_SOC_I2S_MODULE) + bcm_register_device_dt(&bcm2708_i2s_device); +#endif + +#if defined(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DAC) || defined(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DAC_MODULE) + bcm_register_device_dt(&snd_hifiberry_dac_device); + bcm_register_device_dt(&snd_pcm5102a_codec_device); +#endif + +#if defined(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DACPLUS) || defined(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DACPLUS_MODULE) + bcm_register_device_dt(&snd_rpi_hifiberry_dacplus_device); + i2c_register_board_info_dt(1, snd_pcm512x_hbdacplus_i2c_devices, ARRAY_SIZE(snd_pcm512x_hbdacplus_i2c_devices)); +#endif + +#if defined(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DIGI) || defined(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DIGI_MODULE) + bcm_register_device_dt(&snd_hifiberry_digi_device); + i2c_register_board_info_dt(1, snd_wm8804_i2c_devices, ARRAY_SIZE(snd_wm8804_i2c_devices)); +#endif + +#if defined(CONFIG_SND_BCM2708_SOC_HIFIBERRY_AMP) || defined(CONFIG_SND_BCM2708_SOC_HIFIBERRY_AMP_MODULE) + bcm_register_device_dt(&snd_hifiberry_amp_device); + i2c_register_board_info_dt(1, snd_tas5713_i2c_devices, ARRAY_SIZE(snd_tas5713_i2c_devices)); +#endif + +#if defined(CONFIG_SND_BCM2708_SOC_RPI_DAC) || defined(CONFIG_SND_BCM2708_SOC_RPI_DAC_MODULE) + bcm_register_device_dt(&snd_rpi_dac_device); + bcm_register_device_dt(&snd_pcm1794a_codec_device); +#endif + +#if defined(CONFIG_SND_BCM2708_SOC_IQAUDIO_DAC) || defined(CONFIG_SND_BCM2708_SOC_IQAUDIO_DAC_MODULE) + bcm_register_device_dt(&snd_rpi_iqaudio_dac_device); + i2c_register_board_info_dt(1, snd_pcm512x_i2c_devices, ARRAY_SIZE(snd_pcm512x_i2c_devices)); +#endif + + + 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; + +#ifdef CONFIG_BCM2708_SPIDEV + if (!use_dt) + spi_register_board_info(bcm2708_spi_devices, + ARRAY_SIZE(bcm2708_spi_devices)); +#endif +} + +#ifdef SYSTEM_TIMER +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 bcm2709_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 bcm2709_timer_irq = { + .name = "BCM2709 Timer Tick", + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, + .handler = bcm2709_timer_interrupt, +}; + +/* + * Set up timer interrupt, and return the current time in seconds. + */ + +static struct delay_timer bcm2709_delay_timer = { + .read_current_timer = bcm2709_read_current_timer, + .freq = STC_FREQ_HZ, +}; + +static void __init bcm2709_timer_init(void) +{ + /* init high res timer */ + bcm2709_clocksource_init(); + + /* + * Make irqs happen for the system timer + */ + setup_irq(IRQ_TIMER3, &bcm2708_timer_irq); + + sched_clock_register(bcm2709_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); +} + +#else + +static void __init bcm2709_timer_init(void) +{ + extern void dc4_arch_timer_init(void); + // timer control + writel(0, __io_address(ARM_LOCAL_CONTROL)); + // timer pre_scaler + writel(0x80000000, __io_address(ARM_LOCAL_PRESCALER)); // 19.2MHz + //writel(0x06AAAAAB, __io_address(ARM_LOCAL_PRESCALER)); // 1MHz + + if (use_dt) + { + of_clk_init(NULL); + clocksource_of_init(); + } + else + dc4_arch_timer_init(); +} + +#endif + +#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE) +#include + +static struct gpio_led bcm2709_leds[] = { + [0] = { + .gpio = 16, + .name = "led0", + .default_trigger = "mmc0", + .active_low = 1, + }, +}; + +static struct gpio_led_platform_data bcm2709_led_pdata = { + .num_leds = ARRAY_SIZE(bcm2709_leds), + .leds = bcm2709_leds, +}; + +static struct platform_device bcm2709_led_device = { + .name = "leds-gpio", + .id = -1, + .dev = { + .platform_data = &bcm2709_led_pdata, + }, +}; + +static void __init bcm2709_init_led(void) +{ + bcm2709_leds[0].gpio = disk_led_gpio; + bcm2709_leds[0].active_low = disk_led_active_low; + bcm_register_device_dt(&bcm2709_led_device); +} +#else +static inline void bcm2709_init_led(void) +{ +} +#endif + +void __init bcm2709_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); + +#ifdef CONFIG_OF + if (of_allnodes) + use_dt = 1; +#endif +} + +static void __init board_reserve(void) +{ +#if defined(CONFIG_BCM_VC_CMA) + vc_cma_reserve(); +#endif +} + + +#include + +#include +#include +#include +int dc4=0; +//void dc4_log(unsigned x) { if (dc4) writel((x), __io_address(ST_BASE+10 + raw_smp_processor_id()*4)); } +void dc4_log_dead(unsigned x) { if (dc4) writel((readl(__io_address(ST_BASE+0x10 + raw_smp_processor_id()*4)) & 0xffff) | ((x)<<16), __io_address(ST_BASE+0x10 + raw_smp_processor_id()*4)); } + +static void bcm2835_send_doorbell(const struct cpumask *mask, unsigned int irq) +{ + int cpu; + /* + * Ensure that stores to Normal memory are visible to the + * other CPUs before issuing the IPI. + */ + dsb(); + + /* Convert our logical CPU mask into a physical one. */ + for_each_cpu(cpu, mask) + { + /* submit softirq */ + writel(1<%x)\n", __FUNCTION__, (unsigned)virt_to_phys((void *)secondary_startup), (unsigned)__io_address(ST_BASE + 0x10)); + printk("[%s] ncores=%d\n", __FUNCTION__, ncores); + + for (i = 0; i < ncores; i++) { + set_cpu_possible(i, true); + /* enable IRQ (not FIQ) */ + writel(0x1, __io_address(ARM_LOCAL_MAILBOX_INT_CONTROL0 + 0x4 * i)); + //writel(0xf, __io_address(ARM_LOCAL_TIMER_INT_CONTROL0 + 0x4 * i)); + } + set_smp_cross_call(bcm2835_send_doorbell); +} + +/* + * for arch/arm/kernel/smp.c:smp_prepare_cpus(unsigned int max_cpus) + */ +void __init bcm2709_smp_prepare_cpus(unsigned int max_cpus) +{ + //void __iomem *scu_base; + + printk("[%s] enter\n", __FUNCTION__); + //scu_base = scu_base_addr(); + //scu_enable(scu_base); +} + +/* + * for linux/arch/arm/kernel/smp.c:secondary_start_kernel(void) + */ +void __cpuinit bcm2709_secondary_init(unsigned int cpu) +{ + printk("[%s] enter cpu:%d\n", __FUNCTION__, cpu); + //gic_secondary_init(0); +} + +/* + * for linux/arch/arm/kernel/smp.c:__cpu_up(..) + */ +int __cpuinit bcm2709_boot_secondary(unsigned int cpu, struct task_struct *idle) +{ + void secondary_startup(void); + void *mbox_set = __io_address(ARM_LOCAL_MAILBOX3_SET0 + 0x10 * MPIDR_AFFINITY_LEVEL(cpu_logical_map(cpu), 0)); + void *mbox_clr = __io_address(ARM_LOCAL_MAILBOX3_CLR0 + 0x10 * MPIDR_AFFINITY_LEVEL(cpu_logical_map(cpu), 0)); + unsigned secondary_boot = (unsigned)virt_to_phys((void *)secondary_startup); + int timeout=20; + unsigned t = -1; + //printk("[%s] enter cpu:%d (%x->%p) %x\n", __FUNCTION__, cpu, secondary_boot, wake, readl(wake)); + + dsb(); + BUG_ON(readl(mbox_clr) != 0); + writel(secondary_boot, mbox_set); + + while (--timeout > 0) { + t = readl(mbox_clr); + if (t == 0) break; + cpu_relax(); + } + if (timeout==0) + printk("[%s] cpu:%d failed to start (%x)\n", __FUNCTION__, cpu, t); + else + printk("[%s] cpu:%d started (%x) %d\n", __FUNCTION__, cpu, t, timeout); + + return 0; +} + + +struct smp_operations bcm2709_smp_ops __initdata = { + .smp_init_cpus = bcm2709_smp_init_cpus, + .smp_prepare_cpus = bcm2709_smp_prepare_cpus, + .smp_secondary_init = bcm2709_secondary_init, + .smp_boot_secondary = bcm2709_boot_secondary, +}; + +static const char * const bcm2709_compat[] = { + "brcm,bcm2709", + "brcm,bcm2708", /* Could use bcm2708 in a pinch */ + NULL +}; + +MACHINE_START(BCM2709, "BCM2709") + /* Maintainer: Broadcom Europe Ltd. */ + .smp = smp_ops(bcm2709_smp_ops), + .map_io = bcm2709_map_io, + .init_irq = bcm2709_init_irq, + .init_time = bcm2709_timer_init, + .init_machine = bcm2709_init, + .init_early = bcm2709_init_early, + .reserve = board_reserve, + .restart = bcm2709_restart, + .dt_compat = bcm2709_compat, +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); +module_param(w1_gpio_pin, uint, 0644); +module_param(w1_gpio_pullup, uint, 0644); --- /dev/null +++ b/arch/arm/mach-bcm2709/bcm2709.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 + +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-bcm2709/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 +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +#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-bcm2709/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-bcm2709/delay.S @@ -0,0 +1,21 @@ +/* + * linux/arch/arm/lib/delay.S + * + * Copyright (C) 1995, 1996 Russell King + * + * 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 +#include +#include + + .text +.align 3 @ 8 byte alignment seems to be needed to avoid fetching stalls +@ Delay routine +ENTRY(bcm2708_delay) + subs r0, r0, #1 + bhi bcm2708_delay + mov pc, lr +ENDPROC(bcm2708_delay) --- /dev/null +++ b/arch/arm/mach-bcm2709/dma.c @@ -0,0 +1,409 @@ +/* + * 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 +#include +#include +#include +#include + +#include +#include + +/*****************************************************************************\ + * * + * 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); + +extern bool bcm_dma_is_busy(void __iomem *dma_chan_base) +{ + dsb(); + + return readl(dma_chan_base + BCM2708_DMA_CS) & BCM2708_DMA_ACTIVE; +} +EXPORT_SYMBOL_GPL(bcm_dma_is_busy); + +/* 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 */ + dmaman->has_feature[BCM_DMA_FEATURE_NORMAL_ORD] = 0xfe; /* chans 1 to 7 */ + dmaman->has_feature[BCM_DMA_FEATURE_LITE_ORD] = 0x7f00; /* chans 8 to 14 */ +} + +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 "); +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-bcm2709/dmaer.c @@ -0,0 +1,886 @@ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +#include +#include + +#ifdef ECLIPSE_IGNORE + +#define __user +#define __init +#define __exit +#define __iomem +#define KERN_DEBUG +#define KERN_ERR +#define KERN_WARNING +#define KERN_INFO +#define _IOWR(a, b, c) b +#define _IOW(a, b, c) b +#define _IO(a, b) b + +#endif + +//#define inline + +#define PRINTK(args...) printk(args) +//#define PRINTK_VERBOSE(args...) printk(args) +//#define PRINTK(args...) +#define PRINTK_VERBOSE(args...) + +/***** TYPES ****/ +#define PAGES_PER_LIST 500 +struct PageList +{ + struct page *m_pPages[PAGES_PER_LIST]; + unsigned int m_used; + struct PageList *m_pNext; +}; + +struct VmaPageList +{ + //each vma has a linked list of pages associated with it + struct PageList *m_pPageHead; + struct PageList *m_pPageTail; + unsigned int m_refCount; +}; + +struct DmaControlBlock +{ + unsigned int m_transferInfo; + void __user *m_pSourceAddr; + void __user *m_pDestAddr; + unsigned int m_xferLen; + unsigned int m_tdStride; + struct DmaControlBlock *m_pNext; + unsigned int m_blank1, m_blank2; +}; + +/***** DEFINES ******/ +//magic number defining the module +#define DMA_MAGIC 0xdd + +//do user virtual to physical translation of the CB chain +#define DMA_PREPARE _IOWR(DMA_MAGIC, 0, struct DmaControlBlock *) + +//kick the pre-prepared CB chain +#define DMA_KICK _IOW(DMA_MAGIC, 1, struct DmaControlBlock *) + +//prepare it, kick it, wait for it +#define DMA_PREPARE_KICK_WAIT _IOWR(DMA_MAGIC, 2, struct DmaControlBlock *) + +//prepare it, kick it, don't wait for it +#define DMA_PREPARE_KICK _IOWR(DMA_MAGIC, 3, struct DmaControlBlock *) + +//not currently implemented +#define DMA_WAIT_ONE _IO(DMA_MAGIC, 4, struct DmaControlBlock *) + +//wait on all kicked CB chains +#define DMA_WAIT_ALL _IO(DMA_MAGIC, 5) + +//in order to discover the largest AXI burst that should be programmed into the transfer params +#define DMA_MAX_BURST _IO(DMA_MAGIC, 6) + +//set the address range through which the user address is assumed to already by a physical address +#define DMA_SET_MIN_PHYS _IOW(DMA_MAGIC, 7, unsigned long) +#define DMA_SET_MAX_PHYS _IOW(DMA_MAGIC, 8, unsigned long) +#define DMA_SET_PHYS_OFFSET _IOW(DMA_MAGIC, 9, unsigned long) + +//used to define the size for the CMA-based allocation *in pages*, can only be done once once the file is opened +#define DMA_CMA_SET_SIZE _IOW(DMA_MAGIC, 10, unsigned long) + +//used to get the version of the module, to test for a capability +#define DMA_GET_VERSION _IO(DMA_MAGIC, 99) + +#define VERSION_NUMBER 1 + +#define VIRT_TO_BUS_CACHE_SIZE 8 + +/***** FILE OPS *****/ +static int Open(struct inode *pInode, struct file *pFile); +static int Release(struct inode *pInode, struct file *pFile); +static long Ioctl(struct file *pFile, unsigned int cmd, unsigned long arg); +static ssize_t Read(struct file *pFile, char __user *pUser, size_t count, loff_t *offp); +static int Mmap(struct file *pFile, struct vm_area_struct *pVma); + +/***** VMA OPS ****/ +static void VmaOpen4k(struct vm_area_struct *pVma); +static void VmaClose4k(struct vm_area_struct *pVma); +static int VmaFault4k(struct vm_area_struct *pVma, struct vm_fault *pVmf); + +/**** DMA PROTOTYPES */ +static struct DmaControlBlock __user *DmaPrepare(struct DmaControlBlock __user *pUserCB, int *pError); +static int DmaKick(struct DmaControlBlock __user *pUserCB); +static void DmaWaitAll(void); + +/**** GENERIC ****/ +static int __init dmaer_init(void); +static void __exit dmaer_exit(void); + +/*** OPS ***/ +static struct vm_operations_struct g_vmOps4k = { + .open = VmaOpen4k, + .close = VmaClose4k, + .fault = VmaFault4k, +}; + +static struct file_operations g_fOps = { + .owner = THIS_MODULE, + .llseek = 0, + .read = Read, + .write = 0, + .unlocked_ioctl = Ioctl, + .open = Open, + .release = Release, + .mmap = Mmap, +}; + +/***** GLOBALS ******/ +static dev_t g_majorMinor; + +//tracking usage of the two files +static atomic_t g_oneLock4k = ATOMIC_INIT(1); + +//device operations +static struct cdev g_cDev; +static int g_trackedPages = 0; + +//dma control +static unsigned int *g_pDmaChanBase; +static int g_dmaIrq; +static int g_dmaChan; + +//cma allocation +static int g_cmaHandle; + +//user virtual to bus address translation acceleration +static unsigned long g_virtAddr[VIRT_TO_BUS_CACHE_SIZE]; +static unsigned long g_busAddr[VIRT_TO_BUS_CACHE_SIZE]; +static unsigned long g_cbVirtAddr; +static unsigned long g_cbBusAddr; +static int g_cacheInsertAt; +static int g_cacheHit, g_cacheMiss; + +//off by default +static void __user *g_pMinPhys; +static void __user *g_pMaxPhys; +static unsigned long g_physOffset; + +/****** CACHE OPERATIONS ********/ +static inline void FlushAddrCache(void) +{ + int count = 0; + for (count = 0; count < VIRT_TO_BUS_CACHE_SIZE; count++) + g_virtAddr[count] = 0xffffffff; //never going to match as we always chop the bottom bits anyway + + g_cbVirtAddr = 0xffffffff; + + g_cacheInsertAt = 0; +} + +//translate from a user virtual address to a bus address by mapping the page +//NB this won't lock a page in memory, so to avoid potential paging issues using kernel logical addresses +static inline void __iomem *UserVirtualToBus(void __user *pUser) +{ + int mapped; + struct page *pPage; + void *phys; + + //map it (requiring that the pointer points to something that does not hang off the page boundary) + mapped = get_user_pages(current, current->mm, + (unsigned long)pUser, 1, + 1, 0, + &pPage, + 0); + + if (mapped <= 0) //error + return 0; + + PRINTK_VERBOSE(KERN_DEBUG "user virtual %p arm phys %p bus %p\n", + pUser, page_address(pPage), (void __iomem *)__virt_to_bus(page_address(pPage))); + + //get the arm physical address + phys = page_address(pPage) + offset_in_page(pUser); + page_cache_release(pPage); + + //and now the bus address + return (void __iomem *)__virt_to_bus(phys); +} + +static inline void __iomem *UserVirtualToBusViaCbCache(void __user *pUser) +{ + unsigned long virtual_page = (unsigned long)pUser & ~4095; + unsigned long page_offset = (unsigned long)pUser & 4095; + unsigned long bus_addr; + + if (g_cbVirtAddr == virtual_page) + { + bus_addr = g_cbBusAddr + page_offset; + g_cacheHit++; + return (void __iomem *)bus_addr; + } + else + { + bus_addr = (unsigned long)UserVirtualToBus(pUser); + + if (!bus_addr) + return 0; + + g_cbVirtAddr = virtual_page; + g_cbBusAddr = bus_addr & ~4095; + g_cacheMiss++; + + return (void __iomem *)bus_addr; + } +} + +//do the same as above, by query our virt->bus cache +static inline void __iomem *UserVirtualToBusViaCache(void __user *pUser) +{ + int count; + //get the page and its offset + unsigned long virtual_page = (unsigned long)pUser & ~4095; + unsigned long page_offset = (unsigned long)pUser & 4095; + unsigned long bus_addr; + + if (pUser >= g_pMinPhys && pUser < g_pMaxPhys) + { + PRINTK_VERBOSE(KERN_DEBUG "user->phys passthrough on %p\n", pUser); + return (void __iomem *)((unsigned long)pUser + g_physOffset); + } + + //check the cache for our entry + for (count = 0; count < VIRT_TO_BUS_CACHE_SIZE; count++) + if (g_virtAddr[count] == virtual_page) + { + bus_addr = g_busAddr[count] + page_offset; + g_cacheHit++; + return (void __iomem *)bus_addr; + } + + //not found, look up manually and then insert its page address + bus_addr = (unsigned long)UserVirtualToBus(pUser); + + if (!bus_addr) + return 0; + + g_virtAddr[g_cacheInsertAt] = virtual_page; + g_busAddr[g_cacheInsertAt] = bus_addr & ~4095; + + //round robin + g_cacheInsertAt++; + if (g_cacheInsertAt == VIRT_TO_BUS_CACHE_SIZE) + g_cacheInsertAt = 0; + + g_cacheMiss++; + + return (void __iomem *)bus_addr; +} + +/***** FILE OPERATIONS ****/ +static int Open(struct inode *pInode, struct file *pFile) +{ + PRINTK(KERN_DEBUG "file opening: %d/%d\n", imajor(pInode), iminor(pInode)); + + //check which device we are + if (iminor(pInode) == 0) //4k + { + //only one at a time + if (!atomic_dec_and_test(&g_oneLock4k)) + { + atomic_inc(&g_oneLock4k); + return -EBUSY; + } + } + else + return -EINVAL; + + //todo there will be trouble if two different processes open the files + + //reset after any file is opened + g_pMinPhys = (void __user *)-1; + g_pMaxPhys = (void __user *)0; + g_physOffset = 0; + g_cmaHandle = 0; + + return 0; +} + +static int Release(struct inode *pInode, struct file *pFile) +{ + PRINTK(KERN_DEBUG "file closing, %d pages tracked\n", g_trackedPages); + if (g_trackedPages) + PRINTK(KERN_ERR "we\'re leaking memory!\n"); + + //wait for any dmas to finish + DmaWaitAll(); + + //free this memory on the application closing the file or it crashing (implicitly closing the file) + if (g_cmaHandle) + { + PRINTK(KERN_DEBUG "unlocking vc memory\n"); + if (UnlockVcMemory(g_cmaHandle)) + PRINTK(KERN_ERR "uh-oh, unable to unlock vc memory!\n"); + PRINTK(KERN_DEBUG "releasing vc memory\n"); + if (ReleaseVcMemory(g_cmaHandle)) + PRINTK(KERN_ERR "uh-oh, unable to release vc memory!\n"); + } + + if (iminor(pInode) == 0) + atomic_inc(&g_oneLock4k); + else + return -EINVAL; + + return 0; +} + +static struct DmaControlBlock __user *DmaPrepare(struct DmaControlBlock __user *pUserCB, int *pError) +{ + struct DmaControlBlock kernCB; + struct DmaControlBlock __user *pUNext; + void __iomem *pSourceBus, __iomem *pDestBus; + + //get the control block into kernel memory so we can work on it + if (copy_from_user(&kernCB, pUserCB, sizeof(struct DmaControlBlock)) != 0) + { + PRINTK(KERN_ERR "copy_from_user failed for user cb %p\n", pUserCB); + *pError = 1; + return 0; + } + + if (kernCB.m_pSourceAddr == 0 || kernCB.m_pDestAddr == 0) + { + PRINTK(KERN_ERR "faulty source (%p) dest (%p) addresses for user cb %p\n", + kernCB.m_pSourceAddr, kernCB.m_pDestAddr, pUserCB); + *pError = 1; + return 0; + } + + pSourceBus = UserVirtualToBusViaCache(kernCB.m_pSourceAddr); + pDestBus = UserVirtualToBusViaCache(kernCB.m_pDestAddr); + + if (!pSourceBus || !pDestBus) + { + PRINTK(KERN_ERR "virtual to bus translation failure for source/dest %p/%p->%p/%p\n", + kernCB.m_pSourceAddr, kernCB.m_pDestAddr, + pSourceBus, pDestBus); + *pError = 1; + return 0; + } + + //update the user structure with the new bus addresses + kernCB.m_pSourceAddr = pSourceBus; + kernCB.m_pDestAddr = pDestBus; + + PRINTK_VERBOSE(KERN_DEBUG "final source %p dest %p\n", kernCB.m_pSourceAddr, kernCB.m_pDestAddr); + + //sort out the bus address for the next block + pUNext = kernCB.m_pNext; + + if (kernCB.m_pNext) + { + void __iomem *pNextBus; + pNextBus = UserVirtualToBusViaCbCache(kernCB.m_pNext); + + if (!pNextBus) + { + PRINTK(KERN_ERR "virtual to bus translation failure for m_pNext\n"); + *pError = 1; + return 0; + } + + //update the pointer with the bus address + kernCB.m_pNext = pNextBus; + } + + //write it back to user space + if (copy_to_user(pUserCB, &kernCB, sizeof(struct DmaControlBlock)) != 0) + { + PRINTK(KERN_ERR "copy_to_user failed for cb %p\n", pUserCB); + *pError = 1; + return 0; + } + + __cpuc_flush_dcache_area(pUserCB, 32); + + *pError = 0; + return pUNext; +} + +static int DmaKick(struct DmaControlBlock __user *pUserCB) +{ + void __iomem *pBusCB; + + pBusCB = UserVirtualToBusViaCbCache(pUserCB); + if (!pBusCB) + { + PRINTK(KERN_ERR "virtual to bus translation failure for cb\n"); + return 1; + } + + //flush_cache_all(); + + bcm_dma_start(g_pDmaChanBase, (dma_addr_t)pBusCB); + + return 0; +} + +static void DmaWaitAll(void) +{ + int counter = 0; + volatile int inner_count; + volatile unsigned int cs; + unsigned long time_before, time_after; + + time_before = jiffies; + //bcm_dma_wait_idle(g_pDmaChanBase); + dsb(); + + cs = readl(g_pDmaChanBase); + + while ((cs & 1) == 1) + { + cs = readl(g_pDmaChanBase); + counter++; + + for (inner_count = 0; inner_count < 32; inner_count++); + + asm volatile ("MCR p15,0,r0,c7,c0,4 \n"); + //cpu_do_idle(); + if (counter >= 1000000) + { + PRINTK(KERN_WARNING "DMA failed to finish in a timely fashion\n"); + break; + } + } + time_after = jiffies; + PRINTK_VERBOSE(KERN_DEBUG "done, counter %d, cs %08x", counter, cs); + PRINTK_VERBOSE(KERN_DEBUG "took %ld jiffies, %d HZ\n", time_after - time_before, HZ); +} + +static long Ioctl(struct file *pFile, unsigned int cmd, unsigned long arg) +{ + int error = 0; + PRINTK_VERBOSE(KERN_DEBUG "ioctl cmd %x arg %lx\n", cmd, arg); + + switch (cmd) + { + case DMA_PREPARE: + case DMA_PREPARE_KICK: + case DMA_PREPARE_KICK_WAIT: + { + struct DmaControlBlock __user *pUCB = (struct DmaControlBlock *)arg; + int steps = 0; + unsigned long start_time = jiffies; + (void)start_time; + + //flush our address cache + FlushAddrCache(); + + PRINTK_VERBOSE(KERN_DEBUG "dma prepare\n"); + + //do virtual to bus translation for each entry + do + { + pUCB = DmaPrepare(pUCB, &error); + } while (error == 0 && ++steps && pUCB); + PRINTK_VERBOSE(KERN_DEBUG "prepare done in %d steps, %ld\n", steps, jiffies - start_time); + + //carry straight on if we want to kick too + if (cmd == DMA_PREPARE || error) + { + PRINTK_VERBOSE(KERN_DEBUG "falling out\n"); + return error ? -EINVAL : 0; + } + } + case DMA_KICK: + PRINTK_VERBOSE(KERN_DEBUG "dma begin\n"); + + if (cmd == DMA_KICK) + FlushAddrCache(); + + DmaKick((struct DmaControlBlock __user *)arg); + + if (cmd != DMA_PREPARE_KICK_WAIT) + break; +/* case DMA_WAIT_ONE: + //PRINTK(KERN_DEBUG "dma wait one\n"); + break;*/ + case DMA_WAIT_ALL: + //PRINTK(KERN_DEBUG "dma wait all\n"); + DmaWaitAll(); + break; + case DMA_MAX_BURST: + if (g_dmaChan == 0) + return 10; + else + return 5; + case DMA_SET_MIN_PHYS: + g_pMinPhys = (void __user *)arg; + PRINTK(KERN_DEBUG "min/max user/phys bypass set to %p %p\n", g_pMinPhys, g_pMaxPhys); + break; + case DMA_SET_MAX_PHYS: + g_pMaxPhys = (void __user *)arg; + PRINTK(KERN_DEBUG "min/max user/phys bypass set to %p %p\n", g_pMinPhys, g_pMaxPhys); + break; + case DMA_SET_PHYS_OFFSET: + g_physOffset = arg; + PRINTK(KERN_DEBUG "user/phys bypass offset set to %ld\n", g_physOffset); + break; + case DMA_CMA_SET_SIZE: + { + unsigned int pBusAddr; + + if (g_cmaHandle) + { + PRINTK(KERN_ERR "memory has already been allocated (handle %d)\n", g_cmaHandle); + return -EINVAL; + } + + PRINTK(KERN_INFO "allocating %ld bytes of VC memory\n", arg * 4096); + + //get the memory + if (AllocateVcMemory(&g_cmaHandle, arg * 4096, 4096, MEM_FLAG_L1_NONALLOCATING | MEM_FLAG_NO_INIT | MEM_FLAG_HINT_PERMALOCK)) + { + PRINTK(KERN_ERR "failed to allocate %ld bytes of VC memory\n", arg * 4096); + g_cmaHandle = 0; + return -EINVAL; + } + + //get an address for it + PRINTK(KERN_INFO "trying to map VC memory\n"); + + if (LockVcMemory(&pBusAddr, g_cmaHandle)) + { + PRINTK(KERN_ERR "failed to map CMA handle %d, releasing memory\n", g_cmaHandle); + ReleaseVcMemory(g_cmaHandle); + g_cmaHandle = 0; + } + + PRINTK(KERN_INFO "bus address for CMA memory is %x\n", pBusAddr); + return pBusAddr; + } + case DMA_GET_VERSION: + PRINTK(KERN_DEBUG "returning version number, %d\n", VERSION_NUMBER); + return VERSION_NUMBER; + default: + PRINTK(KERN_DEBUG "unknown ioctl: %d\n", cmd); + return -EINVAL; + } + + return 0; +} + +static ssize_t Read(struct file *pFile, char __user *pUser, size_t count, loff_t *offp) +{ + return -EIO; +} + +static int Mmap(struct file *pFile, struct vm_area_struct *pVma) +{ + struct PageList *pPages; + struct VmaPageList *pVmaList; + + PRINTK_VERBOSE(KERN_DEBUG "MMAP vma %p, length %ld (%s %d)\n", + pVma, pVma->vm_end - pVma->vm_start, + current->comm, current->pid); + PRINTK_VERBOSE(KERN_DEBUG "MMAP %p %d (tracked %d)\n", pVma, current->pid, g_trackedPages); + + //make a new page list + pPages = (struct PageList *)kmalloc(sizeof(struct PageList), GFP_KERNEL); + if (!pPages) + { + PRINTK(KERN_ERR "couldn\'t allocate a new page list (%s %d)\n", + current->comm, current->pid); + return -ENOMEM; + } + + //clear the page list + pPages->m_used = 0; + pPages->m_pNext = 0; + + //insert our vma and new page list somewhere + if (!pVma->vm_private_data) + { + struct VmaPageList *pList; + + PRINTK_VERBOSE(KERN_DEBUG "new vma list, making new one (%s %d)\n", + current->comm, current->pid); + + //make a new vma list + pList = (struct VmaPageList *)kmalloc(sizeof(struct VmaPageList), GFP_KERNEL); + if (!pList) + { + PRINTK(KERN_ERR "couldn\'t allocate vma page list (%s %d)\n", + current->comm, current->pid); + kfree(pPages); + return -ENOMEM; + } + + //clear this list + pVma->vm_private_data = (void *)pList; + pList->m_refCount = 0; + } + + pVmaList = (struct VmaPageList *)pVma->vm_private_data; + + //add it to the vma list + pVmaList->m_pPageHead = pPages; + pVmaList->m_pPageTail = pPages; + + pVma->vm_ops = &g_vmOps4k; + pVma->vm_flags |= VM_IO; + + VmaOpen4k(pVma); + + return 0; +} + +/****** VMA OPERATIONS ******/ + +static void VmaOpen4k(struct vm_area_struct *pVma) +{ + struct VmaPageList *pVmaList; + + PRINTK_VERBOSE(KERN_DEBUG "vma open %p private %p (%s %d), %d live pages\n", pVma, pVma->vm_private_data, current->comm, current->pid, g_trackedPages); + PRINTK_VERBOSE(KERN_DEBUG "OPEN %p %d %ld pages (tracked pages %d)\n", + pVma, current->pid, (pVma->vm_end - pVma->vm_start) >> 12, + g_trackedPages); + + pVmaList = (struct VmaPageList *)pVma->vm_private_data; + + if (pVmaList) + { + pVmaList->m_refCount++; + PRINTK_VERBOSE(KERN_DEBUG "ref count is now %d\n", pVmaList->m_refCount); + } + else + { + PRINTK_VERBOSE(KERN_DEBUG "err, open but no vma page list\n"); + } +} + +static void VmaClose4k(struct vm_area_struct *pVma) +{ + struct VmaPageList *pVmaList; + int freed = 0; + + PRINTK_VERBOSE(KERN_DEBUG "vma close %p private %p (%s %d)\n", pVma, pVma->vm_private_data, current->comm, current->pid); + + //wait for any dmas to finish + DmaWaitAll(); + + //find our vma in the list + pVmaList = (struct VmaPageList *)pVma->vm_private_data; + + //may be a fork + if (pVmaList) + { + struct PageList *pPages; + + pVmaList->m_refCount--; + + if (pVmaList->m_refCount == 0) + { + PRINTK_VERBOSE(KERN_DEBUG "found vma, freeing pages (%s %d)\n", + current->comm, current->pid); + + pPages = pVmaList->m_pPageHead; + + if (!pPages) + { + PRINTK(KERN_ERR "no page list (%s %d)!\n", + current->comm, current->pid); + return; + } + + while (pPages) + { + struct PageList *next; + int count; + + PRINTK_VERBOSE(KERN_DEBUG "page list (%s %d)\n", + current->comm, current->pid); + + next = pPages->m_pNext; + for (count = 0; count < pPages->m_used; count++) + { + PRINTK_VERBOSE(KERN_DEBUG "freeing page %p (%s %d)\n", + pPages->m_pPages[count], + current->comm, current->pid); + __free_pages(pPages->m_pPages[count], 0); + g_trackedPages--; + freed++; + } + + PRINTK_VERBOSE(KERN_DEBUG "freeing page list (%s %d)\n", + current->comm, current->pid); + kfree(pPages); + pPages = next; + } + + //remove our vma from the list + kfree(pVmaList); + pVma->vm_private_data = 0; + } + else + { + PRINTK_VERBOSE(KERN_DEBUG "ref count is %d, not closing\n", pVmaList->m_refCount); + } + } + else + { + PRINTK_VERBOSE(KERN_ERR "uh-oh, vma %p not found (%s %d)!\n", pVma, current->comm, current->pid); + PRINTK_VERBOSE(KERN_ERR "CLOSE ERR\n"); + } + + PRINTK_VERBOSE(KERN_DEBUG "CLOSE %p %d %d pages (tracked pages %d)", + pVma, current->pid, freed, g_trackedPages); + + PRINTK_VERBOSE(KERN_DEBUG "%d pages open\n", g_trackedPages); +} + +static int VmaFault4k(struct vm_area_struct *pVma, struct vm_fault *pVmf) +{ + PRINTK_VERBOSE(KERN_DEBUG "vma fault for vma %p private %p at offset %ld (%s %d)\n", pVma, pVma->vm_private_data, pVmf->pgoff, + current->comm, current->pid); + PRINTK_VERBOSE(KERN_DEBUG "FAULT\n"); + pVmf->page = alloc_page(GFP_KERNEL); + + if (pVmf->page) + { + PRINTK_VERBOSE(KERN_DEBUG "alloc page virtual %p\n", page_address(pVmf->page)); + } + + if (!pVmf->page) + { + PRINTK(KERN_ERR "vma fault oom (%s %d)\n", current->comm, current->pid); + return VM_FAULT_OOM; + } + else + { + struct VmaPageList *pVmaList; + + get_page(pVmf->page); + g_trackedPages++; + + //find our vma in the list + pVmaList = (struct VmaPageList *)pVma->vm_private_data; + + if (pVmaList) + { + PRINTK_VERBOSE(KERN_DEBUG "vma found (%s %d)\n", current->comm, current->pid); + + if (pVmaList->m_pPageTail->m_used == PAGES_PER_LIST) + { + PRINTK_VERBOSE(KERN_DEBUG "making new page list (%s %d)\n", current->comm, current->pid); + //making a new page list + pVmaList->m_pPageTail->m_pNext = (struct PageList *)kmalloc(sizeof(struct PageList), GFP_KERNEL); + if (!pVmaList->m_pPageTail->m_pNext) + return -ENOMEM; + + //update the tail pointer + pVmaList->m_pPageTail = pVmaList->m_pPageTail->m_pNext; + pVmaList->m_pPageTail->m_used = 0; + pVmaList->m_pPageTail->m_pNext = 0; + } + + PRINTK_VERBOSE(KERN_DEBUG "adding page to list (%s %d)\n", current->comm, current->pid); + + pVmaList->m_pPageTail->m_pPages[pVmaList->m_pPageTail->m_used] = pVmf->page; + pVmaList->m_pPageTail->m_used++; + } + else + PRINTK(KERN_ERR "returned page for vma we don\'t know %p (%s %d)\n", pVma, current->comm, current->pid); + + return 0; + } +} + +/****** GENERIC FUNCTIONS ******/ +static int __init dmaer_init(void) +{ + int result = alloc_chrdev_region(&g_majorMinor, 0, 1, "dmaer"); + if (result < 0) + { + PRINTK(KERN_ERR "unable to get major device number\n"); + return result; + } + else + PRINTK(KERN_DEBUG "major device number %d\n", MAJOR(g_majorMinor)); + + PRINTK(KERN_DEBUG "vma list size %d, page list size %d, page size %ld\n", + sizeof(struct VmaPageList), sizeof(struct PageList), PAGE_SIZE); + + //get a dma channel to work with + result = bcm_dma_chan_alloc(BCM_DMA_FEATURE_FAST, (void **)&g_pDmaChanBase, &g_dmaIrq); + + //uncomment to force to channel 0 + //result = 0; + //g_pDmaChanBase = 0xce808000; + + if (result < 0) + { + PRINTK(KERN_ERR "failed to allocate dma channel\n"); + cdev_del(&g_cDev); + unregister_chrdev_region(g_majorMinor, 1); + } + + //reset the channel + PRINTK(KERN_DEBUG "allocated dma channel %d (%p), initial state %08x\n", result, g_pDmaChanBase, *g_pDmaChanBase); + *g_pDmaChanBase = 1 << 31; + PRINTK(KERN_DEBUG "post-reset %08x\n", *g_pDmaChanBase); + + g_dmaChan = result; + + //clear the cache stats + g_cacheHit = 0; + g_cacheMiss = 0; + + //register our device - after this we are go go go + cdev_init(&g_cDev, &g_fOps); + g_cDev.owner = THIS_MODULE; + g_cDev.ops = &g_fOps; + + result = cdev_add(&g_cDev, g_majorMinor, 1); + if (result < 0) + { + PRINTK(KERN_ERR "failed to add character device\n"); + unregister_chrdev_region(g_majorMinor, 1); + bcm_dma_chan_free(g_dmaChan); + return result; + } + + return 0; +} + +static void __exit dmaer_exit(void) +{ + PRINTK(KERN_INFO "closing dmaer device, cache stats: %d hits %d misses\n", g_cacheHit, g_cacheMiss); + //unregister the device + cdev_del(&g_cDev); + unregister_chrdev_region(g_majorMinor, 1); + //free the dma channel + bcm_dma_chan_free(g_dmaChan); +} + +MODULE_LICENSE("Dual BSD/GPL"); +MODULE_AUTHOR("Simon Hall"); +module_init(dmaer_init); +module_exit(dmaer_exit); --- /dev/null +++ b/arch/arm/mach-bcm2709/include/mach/arm_control.h @@ -0,0 +1,493 @@ +/* + * 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) + +#define ARM_LOCAL_BASE 0x40000000 +#define ARM_LOCAL_CONTROL HW_REGISTER_RW(ARM_LOCAL_BASE+0x000) +#define ARM_LOCAL_PRESCALER HW_REGISTER_RW(ARM_LOCAL_BASE+0x008) +#define ARM_LOCAL_GPU_INT_ROUTING HW_REGISTER_RW(ARM_LOCAL_BASE+0x00C) +#define ARM_LOCAL_PM_ROUTING_SET HW_REGISTER_RW(ARM_LOCAL_BASE+0x010) +#define ARM_LOCAL_PM_ROUTING_CLR HW_REGISTER_RW(ARM_LOCAL_BASE+0x014) +#define ARM_LOCAL_TIMER_LS HW_REGISTER_RW(ARM_LOCAL_BASE+0x01C) +#define ARM_LOCAL_TIMER_MS HW_REGISTER_RW(ARM_LOCAL_BASE+0x020) +#define ARM_LOCAL_INT_ROUTING HW_REGISTER_RW(ARM_LOCAL_BASE+0x024) +#define ARM_LOCAL_AXI_COUNT HW_REGISTER_RW(ARM_LOCAL_BASE+0x02C) +#define ARM_LOCAL_AXI_IRQ HW_REGISTER_RW(ARM_LOCAL_BASE+0x030) +#define ARM_LOCAL_TIMER_CONTROL HW_REGISTER_RW(ARM_LOCAL_BASE+0x034) +#define ARM_LOCAL_TIMER_WRITE HW_REGISTER_RW(ARM_LOCAL_BASE+0x038) + +#define ARM_LOCAL_TIMER_INT_CONTROL0 HW_REGISTER_RW(ARM_LOCAL_BASE+0x040) +#define ARM_LOCAL_TIMER_INT_CONTROL1 HW_REGISTER_RW(ARM_LOCAL_BASE+0x044) +#define ARM_LOCAL_TIMER_INT_CONTROL2 HW_REGISTER_RW(ARM_LOCAL_BASE+0x048) +#define ARM_LOCAL_TIMER_INT_CONTROL3 HW_REGISTER_RW(ARM_LOCAL_BASE+0x04C) + +#define ARM_LOCAL_MAILBOX_INT_CONTROL0 HW_REGISTER_RW(ARM_LOCAL_BASE+0x050) +#define ARM_LOCAL_MAILBOX_INT_CONTROL1 HW_REGISTER_RW(ARM_LOCAL_BASE+0x054) +#define ARM_LOCAL_MAILBOX_INT_CONTROL2 HW_REGISTER_RW(ARM_LOCAL_BASE+0x058) +#define ARM_LOCAL_MAILBOX_INT_CONTROL3 HW_REGISTER_RW(ARM_LOCAL_BASE+0x05C) + +#define ARM_LOCAL_IRQ_PENDING0 HW_REGISTER_RW(ARM_LOCAL_BASE+0x060) +#define ARM_LOCAL_IRQ_PENDING1 HW_REGISTER_RW(ARM_LOCAL_BASE+0x064) +#define ARM_LOCAL_IRQ_PENDING2 HW_REGISTER_RW(ARM_LOCAL_BASE+0x068) +#define ARM_LOCAL_IRQ_PENDING3 HW_REGISTER_RW(ARM_LOCAL_BASE+0x06C) + +#define ARM_LOCAL_FIQ_PENDING0 HW_REGISTER_RW(ARM_LOCAL_BASE+0x070) +#define ARM_LOCAL_FIQ_PENDING1 HW_REGISTER_RW(ARM_LOCAL_BASE+0x074) +#define ARM_LOCAL_FIQ_PENDING2 HW_REGISTER_RW(ARM_LOCAL_BASE+0x078) +#define ARM_LOCAL_FIQ_PENDING3 HW_REGISTER_RW(ARM_LOCAL_BASE+0x07C) + +#define ARM_LOCAL_MAILBOX0_SET0 HW_REGISTER_RW(ARM_LOCAL_BASE+0x080) +#define ARM_LOCAL_MAILBOX1_SET0 HW_REGISTER_RW(ARM_LOCAL_BASE+0x084) +#define ARM_LOCAL_MAILBOX2_SET0 HW_REGISTER_RW(ARM_LOCAL_BASE+0x088) +#define ARM_LOCAL_MAILBOX3_SET0 HW_REGISTER_RW(ARM_LOCAL_BASE+0x08C) + +#define ARM_LOCAL_MAILBOX0_SET1 HW_REGISTER_RW(ARM_LOCAL_BASE+0x090) +#define ARM_LOCAL_MAILBOX1_SET1 HW_REGISTER_RW(ARM_LOCAL_BASE+0x094) +#define ARM_LOCAL_MAILBOX2_SET1 HW_REGISTER_RW(ARM_LOCAL_BASE+0x098) +#define ARM_LOCAL_MAILBOX3_SET1 HW_REGISTER_RW(ARM_LOCAL_BASE+0x09C) + +#define ARM_LOCAL_MAILBOX0_SET2 HW_REGISTER_RW(ARM_LOCAL_BASE+0x0A0) +#define ARM_LOCAL_MAILBOX1_SET2 HW_REGISTER_RW(ARM_LOCAL_BASE+0x0A4) +#define ARM_LOCAL_MAILBOX2_SET2 HW_REGISTER_RW(ARM_LOCAL_BASE+0x0A8) +#define ARM_LOCAL_MAILBOX3_SET2 HW_REGISTER_RW(ARM_LOCAL_BASE+0x0AC) + +#define ARM_LOCAL_MAILBOX0_SET3 HW_REGISTER_RW(ARM_LOCAL_BASE+0x0B0) +#define ARM_LOCAL_MAILBOX1_SET3 HW_REGISTER_RW(ARM_LOCAL_BASE+0x0B4) +#define ARM_LOCAL_MAILBOX2_SET3 HW_REGISTER_RW(ARM_LOCAL_BASE+0x0B8) +#define ARM_LOCAL_MAILBOX3_SET3 HW_REGISTER_RW(ARM_LOCAL_BASE+0x0BC) + +#define ARM_LOCAL_MAILBOX0_CLR0 HW_REGISTER_RW(ARM_LOCAL_BASE+0x0C0) +#define ARM_LOCAL_MAILBOX1_CLR0 HW_REGISTER_RW(ARM_LOCAL_BASE+0x0C4) +#define ARM_LOCAL_MAILBOX2_CLR0 HW_REGISTER_RW(ARM_LOCAL_BASE+0x0C8) +#define ARM_LOCAL_MAILBOX3_CLR0 HW_REGISTER_RW(ARM_LOCAL_BASE+0x0CC) + +#define ARM_LOCAL_MAILBOX0_CLR1 HW_REGISTER_RW(ARM_LOCAL_BASE+0x0D0) +#define ARM_LOCAL_MAILBOX1_CLR1 HW_REGISTER_RW(ARM_LOCAL_BASE+0x0D4) +#define ARM_LOCAL_MAILBOX2_CLR1 HW_REGISTER_RW(ARM_LOCAL_BASE+0x0D8) +#define ARM_LOCAL_MAILBOX3_CLR1 HW_REGISTER_RW(ARM_LOCAL_BASE+0x0DC) + +#define ARM_LOCAL_MAILBOX0_CLR2 HW_REGISTER_RW(ARM_LOCAL_BASE+0x0E0) +#define ARM_LOCAL_MAILBOX1_CLR2 HW_REGISTER_RW(ARM_LOCAL_BASE+0x0E4) +#define ARM_LOCAL_MAILBOX2_CLR2 HW_REGISTER_RW(ARM_LOCAL_BASE+0x0E8) +#define ARM_LOCAL_MAILBOX3_CLR2 HW_REGISTER_RW(ARM_LOCAL_BASE+0x0EC) + +#define ARM_LOCAL_MAILBOX0_CLR3 HW_REGISTER_RW(ARM_LOCAL_BASE+0x0F0) +#define ARM_LOCAL_MAILBOX1_CLR3 HW_REGISTER_RW(ARM_LOCAL_BASE+0x0F4) +#define ARM_LOCAL_MAILBOX2_CLR3 HW_REGISTER_RW(ARM_LOCAL_BASE+0x0F8) +#define ARM_LOCAL_MAILBOX3_CLR3 HW_REGISTER_RW(ARM_LOCAL_BASE+0x0FC) + +#endif --- /dev/null +++ b/arch/arm/mach-bcm2709/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-bcm2709/include/mach/barriers.h @@ -0,0 +1,3 @@ +#define mb() dsb() +#define rmb() dsb() +#define wmb() mb() --- /dev/null +++ b/arch/arm/mach-bcm2709/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-bcm2709/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 + + .macro addruart, rp, rv, tmp + ldr \rp, =UART0_BASE + ldr \rv, =IO_ADDRESS(UART0_BASE) + .endm + +#include --- /dev/null +++ b/arch/arm/mach-bcm2709/include/mach/dma.h @@ -0,0 +1,94 @@ +/* + * 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]; +}; +struct scatterlist; + +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 bool bcm_dma_is_busy(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_NORMAL_ORD 2 +#define BCM_DMA_FEATURE_LITE_ORD 3 +#define BCM_DMA_FEATURE_FAST (1< +#include + + .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 core number */ + mrc p15, 0, \tmp, c0, c0, 5 + ubfx \tmp, \tmp, #0, #2 + + /* get core's local interrupt controller */ + ldr \irqstat, = __io_address(ARM_LOCAL_IRQ_PENDING0) @ local interrupt source + add \irqstat, \irqstat, \tmp, lsl #2 + ldr \tmp, [\irqstat] + /* ignore gpu interrupt */ + bic \tmp, #0x100 + /* ignore mailbox interrupts */ + bics \tmp, #0xf0 + beq 1005f + + @ For non-zero x, LSB(x) = 31 - CLZ(x^(x-1)) + @ N.B. CLZ is an ARM5 instruction. + mov \irqnr, #(ARM_IRQ_LOCAL_BASE + 31) + sub \irqstat, \tmp, #1 + eor \irqstat, \irqstat, \tmp + clz \tmp, \irqstat + sub \irqnr, \tmp + b 1020f +1005: + /* get core number */ + mrc p15, 0, \tmp, c0, c0, 5 + ubfx \tmp, \tmp, #0, #2 + + cmp \tmp, #1 + beq 1020f + cmp \tmp, #2 + beq 1020f + cmp \tmp, #3 + beq 1020f + + /* 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 + + .macro test_for_ipi, irqnr, irqstat, base, tmp + /* get core number */ + mrc p15, 0, \tmp, c0, c0, 5 + ubfx \tmp, \tmp, #0, #2 + /* get core's mailbox interrupt control */ + ldr \irqstat, = __io_address(ARM_LOCAL_MAILBOX0_CLR0) @ mbox_clr + add \irqstat, \irqstat, \tmp, lsl #4 + ldr \tmp, [\irqstat] + cmp \tmp, #0 + beq 1030f + clz \tmp, \tmp + rsb \irqnr, \tmp, #31 + mov \tmp, #1 + lsl \tmp, \irqnr + str \tmp, [\irqstat] @ clear interrupt source + dsb +1030: @ EQ will be set if no irqs pending + .endm --- /dev/null +++ b/arch/arm/mach-bcm2709/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-bcm2709/include/mach/gpio.h @@ -0,0 +1,17 @@ +/* + * arch/arm/mach-bcm2708/include/mach/gpio.h + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#ifndef __ASM_ARCH_GPIO_H +#define __ASM_ARCH_GPIO_H + +#define BCM2708_NR_GPIOS 54 // number of gpio lines + +#define gpio_to_irq(x) ((x) + GPIO_IRQ_START) +#define irq_to_gpio(x) ((x) - GPIO_IRQ_START) + +#endif --- /dev/null +++ b/arch/arm/mach-bcm2709/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 +#include + +#endif --- /dev/null +++ b/arch/arm/mach-bcm2709/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-bcm2709/include/mach/irqs.h @@ -0,0 +1,225 @@ +/* + * 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 + +/* + * 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) + +#define IRQ_ARM_LOCAL_CNTPSIRQ (IRQ_ARMCTRL_START + INTERRUPT_ARM_LOCAL_CNTPSIRQ) +#define IRQ_ARM_LOCAL_CNTPNSIRQ (IRQ_ARMCTRL_START + INTERRUPT_ARM_LOCAL_CNTPNSIRQ) +#define IRQ_ARM_LOCAL_CNTHPIRQ (IRQ_ARMCTRL_START + INTERRUPT_ARM_LOCAL_CNTHPIRQ) +#define IRQ_ARM_LOCAL_CNTVIRQ (IRQ_ARMCTRL_START + INTERRUPT_ARM_LOCAL_CNTVIRQ) +#define IRQ_ARM_LOCAL_MAILBOX0 (IRQ_ARMCTRL_START + INTERRUPT_ARM_LOCAL_MAILBOX0) +#define IRQ_ARM_LOCAL_MAILBOX1 (IRQ_ARMCTRL_START + INTERRUPT_ARM_LOCAL_MAILBOX1) +#define IRQ_ARM_LOCAL_MAILBOX2 (IRQ_ARMCTRL_START + INTERRUPT_ARM_LOCAL_MAILBOX2) +#define IRQ_ARM_LOCAL_MAILBOX3 (IRQ_ARMCTRL_START + INTERRUPT_ARM_LOCAL_MAILBOX3) +#define IRQ_ARM_LOCAL_GPU_FAST (IRQ_ARMCTRL_START + INTERRUPT_ARM_LOCAL_GPU_FAST) +#define IRQ_ARM_LOCAL_PMU_FAST (IRQ_ARMCTRL_START + INTERRUPT_ARM_LOCAL_PMU_FAST) +#define IRQ_ARM_LOCAL_ZERO (IRQ_ARMCTRL_START + INTERRUPT_ARM_LOCAL_ZERO) +#define IRQ_ARM_LOCAL_TIMER (IRQ_ARMCTRL_START + INTERRUPT_ARM_LOCAL_TIMER) + +#define FIQ_START HARD_IRQS + +/* + * FIQ interrupts definitions are the same as the INT definitions. + */ +#define FIQ_TIMER0 (FIQ_START+INTERRUPT_TIMER0) +#define FIQ_TIMER1 (FIQ_START+INTERRUPT_TIMER1) +#define FIQ_TIMER2 (FIQ_START+INTERRUPT_TIMER2) +#define FIQ_TIMER3 (FIQ_START+INTERRUPT_TIMER3) +#define FIQ_CODEC0 (FIQ_START+INTERRUPT_CODEC0) +#define FIQ_CODEC1 (FIQ_START+INTERRUPT_CODEC1) +#define FIQ_CODEC2 (FIQ_START+INTERRUPT_CODEC2) +#define FIQ_JPEG (FIQ_START+INTERRUPT_JPEG) +#define FIQ_ISP (FIQ_START+INTERRUPT_ISP) +#define FIQ_USB (FIQ_START+INTERRUPT_USB) +#define FIQ_3D (FIQ_START+INTERRUPT_3D) +#define FIQ_TRANSPOSER (FIQ_START+INTERRUPT_TRANSPOSER) +#define FIQ_MULTICORESYNC0 (FIQ_START+INTERRUPT_MULTICORESYNC0) +#define FIQ_MULTICORESYNC1 (FIQ_START+INTERRUPT_MULTICORESYNC1) +#define FIQ_MULTICORESYNC2 (FIQ_START+INTERRUPT_MULTICORESYNC2) +#define FIQ_MULTICORESYNC3 (FIQ_START+INTERRUPT_MULTICORESYNC3) +#define FIQ_DMA0 (FIQ_START+INTERRUPT_DMA0) +#define FIQ_DMA1 (FIQ_START+INTERRUPT_DMA1) +#define FIQ_DMA2 (FIQ_START+INTERRUPT_DMA2) +#define FIQ_DMA3 (FIQ_START+INTERRUPT_DMA3) +#define FIQ_DMA4 (FIQ_START+INTERRUPT_DMA4) +#define FIQ_DMA5 (FIQ_START+INTERRUPT_DMA5) +#define FIQ_DMA6 (FIQ_START+INTERRUPT_DMA6) +#define FIQ_DMA7 (FIQ_START+INTERRUPT_DMA7) +#define FIQ_DMA8 (FIQ_START+INTERRUPT_DMA8) +#define FIQ_DMA9 (FIQ_START+INTERRUPT_DMA9) +#define FIQ_DMA10 (FIQ_START+INTERRUPT_DMA10) +#define FIQ_DMA11 (FIQ_START+INTERRUPT_DMA11) +#define FIQ_DMA12 (FIQ_START+INTERRUPT_DMA12) +#define FIQ_AUX (FIQ_START+INTERRUPT_AUX) +#define FIQ_ARM (FIQ_START+INTERRUPT_ARM) +#define FIQ_VPUDMA (FIQ_START+INTERRUPT_VPUDMA) +#define FIQ_HOSTPORT (FIQ_START+INTERRUPT_HOSTPORT) +#define FIQ_VIDEOSCALER (FIQ_START+INTERRUPT_VIDEOSCALER) +#define FIQ_CCP2TX (FIQ_START+INTERRUPT_CCP2TX) +#define FIQ_SDC (FIQ_START+INTERRUPT_SDC) +#define FIQ_DSI0 (FIQ_START+INTERRUPT_DSI0) +#define FIQ_AVE (FIQ_START+INTERRUPT_AVE) +#define FIQ_CAM0 (FIQ_START+INTERRUPT_CAM0) +#define FIQ_CAM1 (FIQ_START+INTERRUPT_CAM1) +#define FIQ_HDMI0 (FIQ_START+INTERRUPT_HDMI0) +#define FIQ_HDMI1 (FIQ_START+INTERRUPT_HDMI1) +#define FIQ_PIXELVALVE1 (FIQ_START+INTERRUPT_PIXELVALVE1) +#define FIQ_I2CSPISLV (FIQ_START+INTERRUPT_I2CSPISLV) +#define FIQ_DSI1 (FIQ_START+INTERRUPT_DSI1) +#define FIQ_PWA0 (FIQ_START+INTERRUPT_PWA0) +#define FIQ_PWA1 (FIQ_START+INTERRUPT_PWA1) +#define FIQ_CPR (FIQ_START+INTERRUPT_CPR) +#define FIQ_SMI (FIQ_START+INTERRUPT_SMI) +#define FIQ_GPIO0 (FIQ_START+INTERRUPT_GPIO0) +#define FIQ_GPIO1 (FIQ_START+INTERRUPT_GPIO1) +#define FIQ_GPIO2 (FIQ_START+INTERRUPT_GPIO2) +#define FIQ_GPIO3 (FIQ_START+INTERRUPT_GPIO3) +#define FIQ_I2C (FIQ_START+INTERRUPT_I2C) +#define FIQ_SPI (FIQ_START+INTERRUPT_SPI) +#define FIQ_I2SPCM (FIQ_START+INTERRUPT_I2SPCM) +#define FIQ_SDIO (FIQ_START+INTERRUPT_SDIO) +#define FIQ_UART (FIQ_START+INTERRUPT_UART) +#define FIQ_SLIMBUS (FIQ_START+INTERRUPT_SLIMBUS) +#define FIQ_VEC (FIQ_START+INTERRUPT_VEC) +#define FIQ_CPG (FIQ_START+INTERRUPT_CPG) +#define FIQ_RNG (FIQ_START+INTERRUPT_RNG) +#define FIQ_ARASANSDIO (FIQ_START+INTERRUPT_ARASANSDIO) +#define FIQ_AVSPMON (FIQ_START+INTERRUPT_AVSPMON) + +#define FIQ_ARM_TIMER (FIQ_START+INTERRUPT_ARM_TIMER) +#define FIQ_ARM_MAILBOX (FIQ_START+INTERRUPT_ARM_MAILBOX) +#define FIQ_ARM_DOORBELL_0 (FIQ_START+INTERRUPT_ARM_DOORBELL_0) +#define FIQ_ARM_DOORBELL_1 (FIQ_START+INTERRUPT_ARM_DOORBELL_1) +#define FIQ_VPU0_HALTED (FIQ_START+INTERRUPT_VPU0_HALTED) +#define FIQ_VPU1_HALTED (FIQ_START+INTERRUPT_VPU1_HALTED) +#define FIQ_ILLEGAL_TYPE0 (FIQ_START+INTERRUPT_ILLEGAL_TYPE0) +#define FIQ_ILLEGAL_TYPE1 (FIQ_START+INTERRUPT_ILLEGAL_TYPE1) +#define FIQ_PENDING1 (FIQ_START+INTERRUPT_PENDING1) +#define FIQ_PENDING2 (FIQ_START+INTERRUPT_PENDING2) + +#define FIQ_ARM_LOCAL_CNTPSIRQ (FIQ_ARMCTRL_START + INTERRUPT_ARM_LOCAL_CNTPSIRQ) +#define FIQ_ARM_LOCAL_CNTPNSIRQ (FIQ_ARMCTRL_START + INTERRUPT_ARM_LOCAL_CNTPNSIRQ) +#define FIQ_ARM_LOCAL_CNTHPIRQ (FIQ_ARMCTRL_START + INTERRUPT_ARM_LOCAL_CNTHPIRQ) +#define FIQ_ARM_LOCAL_CNTVIRQ (FIQ_ARMCTRL_START + INTERRUPT_ARM_LOCAL_CNTVIRQ) +#define FIQ_ARM_LOCAL_MAILBOX0 (FIQ_ARMCTRL_START + INTERRUPT_ARM_LOCAL_MAILBOX0) +#define FIQ_ARM_LOCAL_MAILBOX1 (FIQ_ARMCTRL_START + INTERRUPT_ARM_LOCAL_MAILBOX1) +#define FIQ_ARM_LOCAL_MAILBOX2 (FIQ_ARMCTRL_START + INTERRUPT_ARM_LOCAL_MAILBOX2) +#define FIQ_ARM_LOCAL_MAILBOX3 (FIQ_ARMCTRL_START + INTERRUPT_ARM_LOCAL_MAILBOX3) +#define FIQ_ARM_LOCAL_GPU_FAST (FIQ_ARMCTRL_START + INTERRUPT_ARM_LOCAL_GPU_FAST) +#define FIQ_ARM_LOCAL_PMU_FAST (FIQ_ARMCTRL_START + INTERRUPT_ARM_LOCAL_PMU_FAST) +#define FIQ_ARM_LOCAL_ZERO (FIQ_ARMCTRL_START + INTERRUPT_ARM_LOCAL_ZERO) +#define FIQ_ARM_LOCAL_TIMER (FIQ_ARMCTRL_START + INTERRUPT_ARM_LOCAL_TIMER) + +#define HARD_IRQS (128) +#define FIQ_IRQS (128) +#define GPIO_IRQ_START (HARD_IRQS + FIQ_IRQS) +#define GPIO_IRQS (32*5) +#define SPARE_ALLOC_IRQS 32 +#define BCM2708_ALLOC_IRQS (HARD_IRQS+FIQ_IRQS+GPIO_IRQS+SPARE_ALLOC_IRQS) +#define FREE_IRQS 32 +#define NR_IRQS (BCM2708_ALLOC_IRQS+FREE_IRQS) + +#endif /* _BCM2708_IRQS_H_ */ --- /dev/null +++ b/arch/arm/mach-bcm2709/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-bcm2709/include/mach/platform.h @@ -0,0 +1,225 @@ +/* + * 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) & 0x00ffffff) + (((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 0x3F000000 +#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 ARM_IRQ_LOCAL_BASE 96 +#define INTERRUPT_ARM_LOCAL_CNTPSIRQ (ARM_IRQ_LOCAL_BASE + 0) +#define INTERRUPT_ARM_LOCAL_CNTPNSIRQ (ARM_IRQ_LOCAL_BASE + 1) +#define INTERRUPT_ARM_LOCAL_CNTHPIRQ (ARM_IRQ_LOCAL_BASE + 2) +#define INTERRUPT_ARM_LOCAL_CNTVIRQ (ARM_IRQ_LOCAL_BASE + 3) +#define INTERRUPT_ARM_LOCAL_MAILBOX0 (ARM_IRQ_LOCAL_BASE + 4) +#define INTERRUPT_ARM_LOCAL_MAILBOX1 (ARM_IRQ_LOCAL_BASE + 5) +#define INTERRUPT_ARM_LOCAL_MAILBOX2 (ARM_IRQ_LOCAL_BASE + 6) +#define INTERRUPT_ARM_LOCAL_MAILBOX3 (ARM_IRQ_LOCAL_BASE + 7) +#define INTERRUPT_ARM_LOCAL_GPU_FAST (ARM_IRQ_LOCAL_BASE + 8) +#define INTERRUPT_ARM_LOCAL_PMU_FAST (ARM_IRQ_LOCAL_BASE + 9) +#define INTERRUPT_ARM_LOCAL_ZERO (ARM_IRQ_LOCAL_BASE + 10) +#define INTERRUPT_ARM_LOCAL_TIMER (ARM_IRQ_LOCAL_BASE + 11) + +/* + * 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-bcm2709/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 +#include + +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-bcm2709/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 +#include +#include + +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-bcm2709/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-bcm2709/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 +#include +#include + +#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-bcm2709/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 + +#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-bcm2709/include/mach/vc_support.h @@ -0,0 +1,69 @@ +#ifndef _VC_SUPPORT_H_ +#define _VC_SUPPORT_H_ + +/* + * vc_support.h + * + * Created on: 25 Nov 2012 + * Author: Simon + */ + +enum { +/* + If a MEM_HANDLE_T is discardable, the memory manager may resize it to size + 0 at any time when it is not locked or retained. + */ + MEM_FLAG_DISCARDABLE = 1 << 0, + + /* + If a MEM_HANDLE_T is allocating (or normal), its block of memory will be + accessed in an allocating fashion through the cache. + */ + MEM_FLAG_NORMAL = 0 << 2, + MEM_FLAG_ALLOCATING = MEM_FLAG_NORMAL, + + /* + If a MEM_HANDLE_T is direct, its block of memory will be accessed + directly, bypassing the cache. + */ + MEM_FLAG_DIRECT = 1 << 2, + + /* + If a MEM_HANDLE_T is coherent, its block of memory will be accessed in a + non-allocating fashion through the cache. + */ + MEM_FLAG_COHERENT = 2 << 2, + + /* + If a MEM_HANDLE_T is L1-nonallocating, its block of memory will be accessed by + the VPU in a fashion which is allocating in L2, but only coherent in L1. + */ + MEM_FLAG_L1_NONALLOCATING = (MEM_FLAG_DIRECT | MEM_FLAG_COHERENT), + + /* + If a MEM_HANDLE_T is zero'd, its contents are set to 0 rather than + MEM_HANDLE_INVALID on allocation and resize up. + */ + MEM_FLAG_ZERO = 1 << 4, + + /* + If a MEM_HANDLE_T is uninitialised, it will not be reset to a defined value + (either zero, or all 1's) on allocation. + */ + MEM_FLAG_NO_INIT = 1 << 5, + + /* + Hints. + */ + MEM_FLAG_HINT_PERMALOCK = 1 << 6, /* Likely to be locked for long periods of time. */ +}; + +unsigned int AllocateVcMemory(unsigned int *pHandle, unsigned int size, unsigned int alignment, unsigned int flags); +unsigned int ReleaseVcMemory(unsigned int handle); +unsigned int LockVcMemory(unsigned int *pBusAddress, unsigned int handle); +unsigned int UnlockVcMemory(unsigned int handle); + +unsigned int ExecuteVcCode(unsigned int code, + unsigned int r0, unsigned int r1, unsigned int r2, unsigned int r3, unsigned int r4, unsigned int r5); + +#endif --- /dev/null +++ b/arch/arm/mach-bcm2709/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 + +/* + * 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-bcm2709/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 (0xff000000) --- /dev/null +++ b/arch/arm/mach-bcm2709/power.c @@ -0,0 +1,195 @@ +/* + * 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 +#include +#include +#include +#include +#include + +#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-bcm2709/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 +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#ifdef CONFIG_ARCH_KONA +#include +#elif defined(CONFIG_ARCH_BCM2708) || defined(CONFIG_ARCH_BCM2709) +#else +#include +#endif + +#include "mach/vc_mem.h" +#include + +#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-bcm2709/vc_support.c @@ -0,0 +1,318 @@ +/* + * vc_support.c + * + * Created on: 25 Nov 2012 + * Author: Simon + */ + +#include +#include + +#ifdef ECLIPSE_IGNORE + +#define __user +#define __init +#define __exit +#define __iomem +#define KERN_DEBUG +#define KERN_ERR +#define KERN_WARNING +#define KERN_INFO +#define _IOWR(a, b, c) b +#define _IOW(a, b, c) b +#define _IO(a, b) b + +#endif + +/****** VC MAILBOX FUNCTIONALITY ******/ +unsigned int AllocateVcMemory(unsigned int *pHandle, unsigned int size, unsigned int alignment, unsigned int flags) +{ + struct vc_msg + { + unsigned int m_msgSize; + unsigned int m_response; + + struct vc_tag + { + unsigned int m_tagId; + unsigned int m_sendBufferSize; + union { + unsigned int m_sendDataSize; + unsigned int m_recvDataSize; + }; + + struct args + { + union { + unsigned int m_size; + unsigned int m_handle; + }; + unsigned int m_alignment; + unsigned int m_flags; + } m_args; + } m_tag; + + unsigned int m_endTag; + } msg; + int s; + + msg.m_msgSize = sizeof(msg); + msg.m_response = 0; + msg.m_endTag = 0; + + //fill in the tag for the allocation command + msg.m_tag.m_tagId = 0x3000c; + msg.m_tag.m_sendBufferSize = 12; + msg.m_tag.m_sendDataSize = 12; + + //fill in our args + msg.m_tag.m_args.m_size = size; + msg.m_tag.m_args.m_alignment = alignment; + msg.m_tag.m_args.m_flags = flags; + + //run the command + s = bcm_mailbox_property(&msg, sizeof(msg)); + + if (s == 0 && msg.m_response == 0x80000000 && msg.m_tag.m_recvDataSize == 0x80000004) + { + *pHandle = msg.m_tag.m_args.m_handle; + return 0; + } + else + { + printk(KERN_ERR "failed to allocate vc memory: s=%d response=%08x recv data size=%08x\n", + s, msg.m_response, msg.m_tag.m_recvDataSize); + return 1; + } +} + +unsigned int ReleaseVcMemory(unsigned int handle) +{ + struct vc_msg + { + unsigned int m_msgSize; + unsigned int m_response; + + struct vc_tag + { + unsigned int m_tagId; + unsigned int m_sendBufferSize; + union { + unsigned int m_sendDataSize; + unsigned int m_recvDataSize; + }; + + struct args + { + union { + unsigned int m_handle; + unsigned int m_error; + }; + } m_args; + } m_tag; + + unsigned int m_endTag; + } msg; + int s; + + msg.m_msgSize = sizeof(msg); + msg.m_response = 0; + msg.m_endTag = 0; + + //fill in the tag for the release command + msg.m_tag.m_tagId = 0x3000f; + msg.m_tag.m_sendBufferSize = 4; + msg.m_tag.m_sendDataSize = 4; + + //pass across the handle + msg.m_tag.m_args.m_handle = handle; + + s = bcm_mailbox_property(&msg, sizeof(msg)); + + if (s == 0 && msg.m_response == 0x80000000 && msg.m_tag.m_recvDataSize == 0x80000004 && msg.m_tag.m_args.m_error == 0) + return 0; + else + { + printk(KERN_ERR "failed to release vc memory: s=%d response=%08x recv data size=%08x error=%08x\n", + s, msg.m_response, msg.m_tag.m_recvDataSize, msg.m_tag.m_args.m_error); + return 1; + } +} + +unsigned int LockVcMemory(unsigned int *pBusAddress, unsigned int handle) +{ + struct vc_msg + { + unsigned int m_msgSize; + unsigned int m_response; + + struct vc_tag + { + unsigned int m_tagId; + unsigned int m_sendBufferSize; + union { + unsigned int m_sendDataSize; + unsigned int m_recvDataSize; + }; + + struct args + { + union { + unsigned int m_handle; + unsigned int m_busAddress; + }; + } m_args; + } m_tag; + + unsigned int m_endTag; + } msg; + int s; + + msg.m_msgSize = sizeof(msg); + msg.m_response = 0; + msg.m_endTag = 0; + + //fill in the tag for the lock command + msg.m_tag.m_tagId = 0x3000d; + msg.m_tag.m_sendBufferSize = 4; + msg.m_tag.m_sendDataSize = 4; + + //pass across the handle + msg.m_tag.m_args.m_handle = handle; + + s = bcm_mailbox_property(&msg, sizeof(msg)); + + if (s == 0 && msg.m_response == 0x80000000 && msg.m_tag.m_recvDataSize == 0x80000004) + { + //pick out the bus address + *pBusAddress = msg.m_tag.m_args.m_busAddress; + return 0; + } + else + { + printk(KERN_ERR "failed to lock vc memory: s=%d response=%08x recv data size=%08x\n", + s, msg.m_response, msg.m_tag.m_recvDataSize); + return 1; + } +} + +unsigned int UnlockVcMemory(unsigned int handle) +{ + struct vc_msg + { + unsigned int m_msgSize; + unsigned int m_response; + + struct vc_tag + { + unsigned int m_tagId; + unsigned int m_sendBufferSize; + union { + unsigned int m_sendDataSize; + unsigned int m_recvDataSize; + }; + + struct args + { + union { + unsigned int m_handle; + unsigned int m_error; + }; + } m_args; + } m_tag; + + unsigned int m_endTag; + } msg; + int s; + + msg.m_msgSize = sizeof(msg); + msg.m_response = 0; + msg.m_endTag = 0; + + //fill in the tag for the unlock command + msg.m_tag.m_tagId = 0x3000e; + msg.m_tag.m_sendBufferSize = 4; + msg.m_tag.m_sendDataSize = 4; + + //pass across the handle + msg.m_tag.m_args.m_handle = handle; + + s = bcm_mailbox_property(&msg, sizeof(msg)); + + //check the error code too + if (s == 0 && msg.m_response == 0x80000000 && msg.m_tag.m_recvDataSize == 0x80000004 && msg.m_tag.m_args.m_error == 0) + return 0; + else + { + printk(KERN_ERR "failed to unlock vc memory: s=%d response=%08x recv data size=%08x error%08x\n", + s, msg.m_response, msg.m_tag.m_recvDataSize, msg.m_tag.m_args.m_error); + return 1; + } +} + +unsigned int ExecuteVcCode(unsigned int code, + unsigned int r0, unsigned int r1, unsigned int r2, unsigned int r3, unsigned int r4, unsigned int r5) +{ + struct vc_msg + { + unsigned int m_msgSize; + unsigned int m_response; + + struct vc_tag + { + unsigned int m_tagId; + unsigned int m_sendBufferSize; + union { + unsigned int m_sendDataSize; + unsigned int m_recvDataSize; + }; + + struct args + { + union { + unsigned int m_pCode; + unsigned int m_return; + }; + unsigned int m_r0; + unsigned int m_r1; + unsigned int m_r2; + unsigned int m_r3; + unsigned int m_r4; + unsigned int m_r5; + } m_args; + } m_tag; + + unsigned int m_endTag; + } msg; + int s; + + msg.m_msgSize = sizeof(msg); + msg.m_response = 0; + msg.m_endTag = 0; + + //fill in the tag for the unlock command + msg.m_tag.m_tagId = 0x30010; + msg.m_tag.m_sendBufferSize = 28; + msg.m_tag.m_sendDataSize = 28; + + //pass across the handle + msg.m_tag.m_args.m_pCode = code; + msg.m_tag.m_args.m_r0 = r0; + msg.m_tag.m_args.m_r1 = r1; + msg.m_tag.m_args.m_r2 = r2; + msg.m_tag.m_args.m_r3 = r3; + msg.m_tag.m_args.m_r4 = r4; + msg.m_tag.m_args.m_r5 = r5; + + s = bcm_mailbox_property(&msg, sizeof(msg)); + + //check the error code too + if (s == 0 && msg.m_response == 0x80000000 && msg.m_tag.m_recvDataSize == 0x80000004) + return msg.m_tag.m_args.m_return; + else + { + printk(KERN_ERR "failed to execute: s=%d response=%08x recv data size=%08x\n", + s, msg.m_response, msg.m_tag.m_recvDataSize); + return 1; + } +} --- /dev/null +++ b/arch/arm/mach-bcm2709/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 +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +#include +#include + +#include + + +#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/proc-v7.S +++ b/arch/arm/mm/proc-v7.S @@ -441,6 +441,7 @@ __v7_setup: orr r0, r0, r6 @ set them THUMB( orr r0, r0, #1 << 30 ) @ Thumb exceptions ret lr @ return to head.S:__ret + .space 256 ENDPROC(__v7_setup) .align 2 --- a/arch/arm/tools/mach-types +++ b/arch/arm/tools/mach-types @@ -523,6 +523,7 @@ prima2_evb MACH_PRIMA2_EVB PRIMA2_EVB paz00 MACH_PAZ00 PAZ00 3128 acmenetusfoxg20 MACH_ACMENETUSFOXG20 ACMENETUSFOXG20 3129 bcm2708 MACH_BCM2708 BCM2708 3138 +bcm2709 MACH_BCM2709 BCM2709 3139 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/char/hw_random/Kconfig +++ b/drivers/char/hw_random/Kconfig @@ -322,7 +322,7 @@ config HW_RANDOM_TPM config HW_RANDOM_BCM2708 tristate "BCM2708 generic true random number generator support" - depends on HW_RANDOM && ARCH_BCM2708 + depends on HW_RANDOM && (ARCH_BCM2708 || ARCH_BCM2709) ---help--- This driver provides the kernel-side support for the BCM2708 hardware. --- a/drivers/clocksource/arm_arch_timer.c +++ b/drivers/clocksource/arm_arch_timer.c @@ -795,3 +795,39 @@ static void __init arch_timer_mem_init(s } CLOCKSOURCE_OF_DECLARE(armv7_arch_timer_mem, "arm,armv7-timer-mem", arch_timer_mem_init); + +int __init dc4_arch_timer_init(void) +{ + if (arch_timers_present & ARCH_CP15_TIMER) { + pr_warn("arch_timer: multiple nodes in dt, skipping\n"); + return -1; + } + + arch_timers_present |= ARCH_CP15_TIMER; + + /* Try to determine the frequency from the device tree or CNTFRQ */ + arch_timer_rate = 19200000; + + arch_timer_ppi[PHYS_SECURE_PPI] = IRQ_ARM_LOCAL_CNTPSIRQ; + arch_timer_ppi[PHYS_NONSECURE_PPI] = IRQ_ARM_LOCAL_CNTPNSIRQ; + arch_timer_ppi[VIRT_PPI] = IRQ_ARM_LOCAL_CNTVIRQ; + arch_timer_ppi[HYP_PPI] = IRQ_ARM_LOCAL_CNTHPIRQ; + + /* + * If HYP mode is available, we know that the physical timer + * has been configured to be accessible from PL1. Use it, so + * that a guest can use the virtual timer instead. + * + * If no interrupt provided for virtual timer, we'll have to + * stick to the physical timer. It'd better be accessible... + */ + if (is_hyp_mode_available() || !arch_timer_ppi[VIRT_PPI]) { + arch_timer_use_virtual = false; + } + + arch_timer_c3stop = 0; + + arch_timer_register(); + arch_timer_common_init(); + return 0; +} --- a/drivers/dma/Kconfig +++ b/drivers/dma/Kconfig @@ -332,7 +332,7 @@ config DMA_BCM2835 config DMA_BCM2708 tristate "BCM2708 DMA engine support" - depends on MACH_BCM2708 + depends on MACH_BCM2708 || MACH_BCM2709 select DMA_ENGINE select DMA_VIRTUAL_CHANNELS --- a/drivers/i2c/busses/Kconfig +++ b/drivers/i2c/busses/Kconfig @@ -361,7 +361,7 @@ config I2C_AXXIA config I2C_BCM2835 tristate "Broadcom BCM2835 I2C controller" - depends on ARCH_BCM2835 || ARCH_BCM2708 + depends on ARCH_BCM2835 || ARCH_BCM2708 || ARCH_BCM2709 help If you say yes to this option, support will be included for the BCM2835 I2C controller. @@ -373,7 +373,7 @@ config I2C_BCM2835 config I2C_BCM2708 tristate "BCM2708 BSC" - depends on MACH_BCM2708 + depends on MACH_BCM2708 || MACH_BCM2709 help Enabling this option will add BSC (Broadcom Serial Controller) support for the BCM2708. BSC is a Broadcom proprietary bus compatible --- a/drivers/media/platform/bcm2835/Kconfig +++ b/drivers/media/platform/bcm2835/Kconfig @@ -2,7 +2,7 @@ config VIDEO_BCM2835 bool "Broadcom BCM2835 camera interface driver" - depends on VIDEO_V4L2 && ARCH_BCM2708 + depends on VIDEO_V4L2 && (ARCH_BCM2708 || ARCH_BCM2709) ---help--- Say Y here to enable camera host interface devices for Broadcom BCM2835 SoC. This operates over the VCHIQ interface --- a/drivers/misc/vc04_services/Kconfig +++ b/drivers/misc/vc04_services/Kconfig @@ -1,6 +1,6 @@ config BCM2708_VCHIQ tristate "Videocore VCHIQ" - depends on MACH_BCM2708 + depends on MACH_BCM2708 || MACH_BCM2709 default y help Kernel to VideoCore communication interface for the --- a/drivers/misc/vc04_services/Makefile +++ b/drivers/misc/vc04_services/Makefile @@ -1,5 +1,3 @@ -ifeq ($(CONFIG_MACH_BCM2708),y) - obj-$(CONFIG_BCM2708_VCHIQ) += vchiq.o vchiq-objs := \ @@ -14,4 +12,3 @@ vchiq-objs := \ ccflags-y += -DVCOS_VERIFY_BKPTS=1 -Idrivers/misc/vc04_services -DUSE_VCHIQ_ARM -D__VCCOREVER__=0x04000000 -endif --- a/drivers/mmc/host/Kconfig +++ b/drivers/mmc/host/Kconfig @@ -304,7 +304,7 @@ config MMC_SDHCI_ST config MMC_BCM2835 tristate "MMC support on BCM2835" - depends on MACH_BCM2708 + depends on (MACH_BCM2708 || MACH_BCM2709) help This selects the MMC Interface on BCM2835. --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig @@ -77,7 +77,7 @@ config SPI_ATMEL config SPI_BCM2835 tristate "BCM2835 SPI controller" - depends on ARCH_BCM2835 || ARCH_BCM2708 || COMPILE_TEST + depends on ARCH_BCM2835 || ARCH_BCM2708 || ARCH_BCM2709 || COMPILE_TEST help This selects a driver for the Broadcom BCM2835 SPI master. @@ -88,7 +88,7 @@ config SPI_BCM2835 config SPI_BCM2708 tristate "BCM2708 SPI controller driver (SPI0)" - depends on MACH_BCM2708 + depends on MACH_BCM2708 || MACH_BCM2709 help This selects a driver for the Broadcom BCM2708 SPI master (SPI0). This driver is not compatible with the "Universal SPI Master" or the SPI slave --- a/drivers/watchdog/Kconfig +++ b/drivers/watchdog/Kconfig @@ -454,7 +454,7 @@ config RETU_WATCHDOG config BCM2708_WDT tristate "BCM2708 Watchdog" - depends on ARCH_BCM2708 + depends on ARCH_BCM2708 || ARCH_BCM2709 help Enables BCM2708 watchdog support. --- a/sound/arm/Kconfig +++ b/sound/arm/Kconfig @@ -41,7 +41,7 @@ config SND_PXA2XX_AC97 config SND_BCM2835 tristate "BCM2835 ALSA driver" - depends on ARCH_BCM2708 && BCM2708_VCHIQ && SND + depends on (ARCH_BCM2708 || ARCH_BCM2709) && BCM2708_VCHIQ && SND select SND_PCM help Say Y or M if you want to support BCM2835 Alsa pcm card driver --- a/sound/soc/bcm/Kconfig +++ b/sound/soc/bcm/Kconfig @@ -10,7 +10,7 @@ config SND_BCM2835_SOC_I2S config SND_BCM2708_SOC_I2S tristate "SoC Audio support for the Broadcom BCM2708 I2S module" - depends on MACH_BCM2708 + depends on MACH_BCM2708 || MACH_BCM2709 select REGMAP_MMIO select SND_SOC_DMAENGINE_PCM select SND_SOC_GENERIC_DMAENGINE_PCM