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5003 lines
158 KiB
5003 lines
158 KiB
From 95293790045ab4ae5c357460372dd1b57fc74f29 Mon Sep 17 00:00:00 2001
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From: popcornmix <popcornmix@gmail.com>
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Date: Sun, 12 May 2013 12:24:19 +0100
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Subject: [PATCH 001/114] Main bcm2708 linux port
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Signed-off-by: popcornmix <popcornmix@gmail.com>
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---
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arch/arm/Kconfig | 17 +
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arch/arm/Kconfig.debug | 8 +
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arch/arm/Makefile | 1 +
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arch/arm/configs/bcmrpi_defconfig | 464 ++++++++++++++++
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arch/arm/kernel/process.c | 10 +
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arch/arm/mach-bcm2708/Kconfig | 26 +
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arch/arm/mach-bcm2708/Makefile | 6 +
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arch/arm/mach-bcm2708/Makefile.boot | 3 +
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arch/arm/mach-bcm2708/armctrl.c | 208 +++++++
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arch/arm/mach-bcm2708/armctrl.h | 27 +
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arch/arm/mach-bcm2708/bcm2708.c | 662 +++++++++++++++++++++++
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arch/arm/mach-bcm2708/bcm2708.h | 49 ++
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arch/arm/mach-bcm2708/clock.c | 61 +++
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arch/arm/mach-bcm2708/clock.h | 24 +
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arch/arm/mach-bcm2708/dma.c | 399 ++++++++++++++
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arch/arm/mach-bcm2708/include/mach/arm_control.h | 419 ++++++++++++++
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arch/arm/mach-bcm2708/include/mach/arm_power.h | 62 +++
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arch/arm/mach-bcm2708/include/mach/clkdev.h | 7 +
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arch/arm/mach-bcm2708/include/mach/debug-macro.S | 22 +
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arch/arm/mach-bcm2708/include/mach/dma.h | 88 +++
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arch/arm/mach-bcm2708/include/mach/entry-macro.S | 69 +++
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arch/arm/mach-bcm2708/include/mach/frc.h | 38 ++
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arch/arm/mach-bcm2708/include/mach/hardware.h | 28 +
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arch/arm/mach-bcm2708/include/mach/io.h | 27 +
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arch/arm/mach-bcm2708/include/mach/irqs.h | 196 +++++++
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arch/arm/mach-bcm2708/include/mach/memory.h | 57 ++
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arch/arm/mach-bcm2708/include/mach/platform.h | 228 ++++++++
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arch/arm/mach-bcm2708/include/mach/power.h | 26 +
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arch/arm/mach-bcm2708/include/mach/system.h | 38 ++
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arch/arm/mach-bcm2708/include/mach/timex.h | 23 +
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arch/arm/mach-bcm2708/include/mach/uncompress.h | 84 +++
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arch/arm/mach-bcm2708/include/mach/vc_mem.h | 35 ++
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arch/arm/mach-bcm2708/include/mach/vcio.h | 165 ++++++
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arch/arm/mach-bcm2708/include/mach/vmalloc.h | 20 +
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arch/arm/mach-bcm2708/power.c | 197 +++++++
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arch/arm/mach-bcm2708/vc_mem.c | 431 +++++++++++++++
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arch/arm/mach-bcm2708/vcio.c | 474 ++++++++++++++++
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arch/arm/mm/Kconfig | 2 +-
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arch/arm/mm/proc-v6.S | 15 +-
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arch/arm/tools/mach-types | 1 +
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drivers/tty/serial/amba-pl011.c | 2 +-
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include/linux/mmc/host.h | 1 +
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include/linux/mmc/sdhci.h | 1 +
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43 files changed, 4716 insertions(+), 5 deletions(-)
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create mode 100644 arch/arm/configs/bcmrpi_defconfig
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create mode 100644 arch/arm/mach-bcm2708/Kconfig
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create mode 100644 arch/arm/mach-bcm2708/Makefile
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create mode 100644 arch/arm/mach-bcm2708/Makefile.boot
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create mode 100644 arch/arm/mach-bcm2708/armctrl.c
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create mode 100644 arch/arm/mach-bcm2708/armctrl.h
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create mode 100644 arch/arm/mach-bcm2708/bcm2708.c
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create mode 100644 arch/arm/mach-bcm2708/bcm2708.h
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create mode 100644 arch/arm/mach-bcm2708/clock.c
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create mode 100644 arch/arm/mach-bcm2708/clock.h
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create mode 100644 arch/arm/mach-bcm2708/dma.c
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create mode 100644 arch/arm/mach-bcm2708/include/mach/arm_control.h
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create mode 100644 arch/arm/mach-bcm2708/include/mach/arm_power.h
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create mode 100644 arch/arm/mach-bcm2708/include/mach/clkdev.h
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create mode 100644 arch/arm/mach-bcm2708/include/mach/debug-macro.S
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create mode 100644 arch/arm/mach-bcm2708/include/mach/dma.h
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create mode 100644 arch/arm/mach-bcm2708/include/mach/entry-macro.S
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create mode 100644 arch/arm/mach-bcm2708/include/mach/frc.h
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create mode 100644 arch/arm/mach-bcm2708/include/mach/hardware.h
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create mode 100644 arch/arm/mach-bcm2708/include/mach/io.h
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create mode 100644 arch/arm/mach-bcm2708/include/mach/irqs.h
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create mode 100644 arch/arm/mach-bcm2708/include/mach/memory.h
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create mode 100644 arch/arm/mach-bcm2708/include/mach/platform.h
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create mode 100644 arch/arm/mach-bcm2708/include/mach/power.h
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create mode 100644 arch/arm/mach-bcm2708/include/mach/system.h
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create mode 100644 arch/arm/mach-bcm2708/include/mach/timex.h
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create mode 100644 arch/arm/mach-bcm2708/include/mach/uncompress.h
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create mode 100644 arch/arm/mach-bcm2708/include/mach/vc_mem.h
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create mode 100644 arch/arm/mach-bcm2708/include/mach/vcio.h
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create mode 100644 arch/arm/mach-bcm2708/include/mach/vmalloc.h
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create mode 100644 arch/arm/mach-bcm2708/power.c
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create mode 100644 arch/arm/mach-bcm2708/vc_mem.c
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create mode 100644 arch/arm/mach-bcm2708/vcio.c
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--- a/arch/arm/Kconfig
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+++ b/arch/arm/Kconfig
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@@ -381,6 +381,22 @@ config ARCH_AT91
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This enables support for systems based on Atmel
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AT91RM9200 and AT91SAM9* processors.
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+config ARCH_BCM2708
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+ bool "Broadcom BCM2708 family"
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+ select CPU_V6
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+ select ARM_AMBA
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+ select HAVE_CLK
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+ select HAVE_SCHED_CLOCK
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+ select NEED_MACH_GPIO_H
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+ select NEED_MACH_MEMORY_H
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+ select CLKDEV_LOOKUP
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+ select GENERIC_CLOCKEVENTS
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+ select ARM_ERRATA_411920
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+ select MACH_BCM2708
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+ select VC4
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+ help
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+ This enables support for Broadcom BCM2708 boards.
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+
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config ARCH_CLPS711X
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bool "Cirrus Logic CLPS711x/EP721x/EP731x-based"
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select ARCH_REQUIRE_GPIOLIB
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@@ -972,6 +988,7 @@ source "arch/arm/plat-versatile/Kconfig"
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source "arch/arm/mach-vt8500/Kconfig"
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source "arch/arm/mach-w90x900/Kconfig"
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+source "arch/arm/mach-bcm2708/Kconfig"
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source "arch/arm/mach-zynq/Kconfig"
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--- a/arch/arm/Kconfig.debug
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+++ b/arch/arm/Kconfig.debug
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@@ -985,6 +985,14 @@ choice
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options; the platform specific options are deprecated
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and will be soon removed.
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+ config DEBUG_BCM2708_UART0
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+ bool "Broadcom BCM2708 UART0 (PL011)"
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+ depends on MACH_BCM2708
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+ help
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+ Say Y here if you want the debug print routines to direct
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+ their output to UART 0. The port must have been initialised
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+ by the boot-loader before use.
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+
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endchoice
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config DEBUG_EXYNOS_UART
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--- a/arch/arm/Makefile
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+++ b/arch/arm/Makefile
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@@ -151,6 +151,7 @@ textofs-$(CONFIG_ARCH_AXXIA) := 0x003080
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machine-$(CONFIG_ARCH_AT91) += at91
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machine-$(CONFIG_ARCH_AXXIA) += axxia
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machine-$(CONFIG_ARCH_BCM) += bcm
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+machine-$(CONFIG_ARCH_BCM2708) += bcm2708
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machine-$(CONFIG_ARCH_BERLIN) += berlin
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machine-$(CONFIG_ARCH_CLPS711X) += clps711x
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machine-$(CONFIG_ARCH_CNS3XXX) += cns3xxx
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--- /dev/null
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+++ b/arch/arm/configs/bcmrpi_defconfig
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@@ -0,0 +1,464 @@
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+# CONFIG_LOCALVERSION_AUTO is not set
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+CONFIG_SYSVIPC=y
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+CONFIG_POSIX_MQUEUE=y
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+CONFIG_FHANDLE=y
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+CONFIG_AUDIT=y
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+CONFIG_NO_HZ=y
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+CONFIG_HIGH_RES_TIMERS=y
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+CONFIG_BSD_PROCESS_ACCT=y
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+CONFIG_BSD_PROCESS_ACCT_V3=y
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+CONFIG_IKCONFIG=y
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+CONFIG_IKCONFIG_PROC=y
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+CONFIG_CGROUP_FREEZER=y
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+CONFIG_CGROUP_DEVICE=y
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+CONFIG_CGROUP_CPUACCT=y
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+CONFIG_RESOURCE_COUNTERS=y
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+CONFIG_BLK_CGROUP=y
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+CONFIG_NAMESPACES=y
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+CONFIG_SCHED_AUTOGROUP=y
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+CONFIG_EMBEDDED=y
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+# CONFIG_COMPAT_BRK is not set
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+CONFIG_SLAB=y
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+CONFIG_PROFILING=y
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+CONFIG_OPROFILE=m
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+CONFIG_KPROBES=y
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+CONFIG_MODULES=y
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+CONFIG_MODULE_UNLOAD=y
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+CONFIG_MODVERSIONS=y
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+CONFIG_MODULE_SRCVERSION_ALL=y
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+# CONFIG_BLK_DEV_BSG is not set
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+CONFIG_BLK_DEV_THROTTLING=y
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+CONFIG_PARTITION_ADVANCED=y
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+CONFIG_MAC_PARTITION=y
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+CONFIG_CFQ_GROUP_IOSCHED=y
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+CONFIG_ARCH_BCM2708=y
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+CONFIG_AEABI=y
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+CONFIG_SECCOMP=y
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+CONFIG_ZBOOT_ROM_TEXT=0x0
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+CONFIG_ZBOOT_ROM_BSS=0x0
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+CONFIG_CMDLINE="dwc_otg.lpm_enable=0 console=ttyAMA0,115200 kgdboc=ttyAMA0,115200 root=/dev/mmcblk0p2 rootfstype=ext3 rootwait"
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+CONFIG_KEXEC=y
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+CONFIG_CPU_IDLE=y
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+CONFIG_VFP=y
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+CONFIG_BINFMT_MISC=m
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+CONFIG_NET=y
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+CONFIG_PACKET=y
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+CONFIG_UNIX=y
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+CONFIG_XFRM_USER=y
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+CONFIG_NET_KEY=m
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+CONFIG_INET=y
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+CONFIG_IP_MULTICAST=y
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+CONFIG_IP_PNP=y
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+CONFIG_IP_PNP_DHCP=y
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+CONFIG_IP_PNP_RARP=y
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+CONFIG_SYN_COOKIES=y
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+# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
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+# CONFIG_INET_XFRM_MODE_TUNNEL is not set
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+# CONFIG_INET_XFRM_MODE_BEET is not set
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+# CONFIG_INET_LRO is not set
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+# CONFIG_INET_DIAG is not set
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+# CONFIG_IPV6 is not set
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+CONFIG_NET_PKTGEN=m
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+CONFIG_IRDA=m
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+CONFIG_IRLAN=m
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+CONFIG_IRCOMM=m
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+CONFIG_IRDA_ULTRA=y
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+CONFIG_IRDA_CACHE_LAST_LSAP=y
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+CONFIG_IRDA_FAST_RR=y
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+CONFIG_IRTTY_SIR=m
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+CONFIG_KINGSUN_DONGLE=m
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+CONFIG_KSDAZZLE_DONGLE=m
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+CONFIG_KS959_DONGLE=m
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+CONFIG_USB_IRDA=m
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+CONFIG_SIGMATEL_FIR=m
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+CONFIG_MCS_FIR=m
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+CONFIG_BT=m
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+CONFIG_BT_RFCOMM=m
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+CONFIG_BT_RFCOMM_TTY=y
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+CONFIG_BT_BNEP=m
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+CONFIG_BT_BNEP_MC_FILTER=y
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+CONFIG_BT_BNEP_PROTO_FILTER=y
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+CONFIG_BT_HIDP=m
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+CONFIG_BT_HCIBTUSB=m
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+CONFIG_BT_HCIBCM203X=m
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+CONFIG_BT_HCIBPA10X=m
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+CONFIG_BT_HCIBFUSB=m
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+CONFIG_BT_HCIVHCI=m
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+CONFIG_BT_MRVL=m
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+CONFIG_BT_MRVL_SDIO=m
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+CONFIG_BT_ATH3K=m
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+CONFIG_CFG80211=m
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+CONFIG_MAC80211=m
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+CONFIG_MAC80211_MESH=y
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+CONFIG_WIMAX=m
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+CONFIG_NET_9P=m
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+CONFIG_NFC=m
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+CONFIG_NFC_PN533=m
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+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
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+CONFIG_BLK_DEV_LOOP=y
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+CONFIG_BLK_DEV_CRYPTOLOOP=m
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+CONFIG_BLK_DEV_NBD=m
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+CONFIG_BLK_DEV_RAM=y
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+CONFIG_CDROM_PKTCDVD=m
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+CONFIG_SCSI=y
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+# CONFIG_SCSI_PROC_FS is not set
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+CONFIG_BLK_DEV_SD=m
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+CONFIG_BLK_DEV_SR=m
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+# CONFIG_SCSI_LOWLEVEL is not set
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+CONFIG_MD=y
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+CONFIG_NETDEVICES=y
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+CONFIG_NETCONSOLE=m
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+CONFIG_TUN=m
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+CONFIG_MDIO_BITBANG=m
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+CONFIG_PPP=m
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+CONFIG_PPP_BSDCOMP=m
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+CONFIG_PPP_DEFLATE=m
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+CONFIG_PPP_ASYNC=m
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+CONFIG_PPP_SYNC_TTY=m
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+CONFIG_SLIP=m
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+CONFIG_SLIP_COMPRESSED=y
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+CONFIG_USB_CATC=m
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+CONFIG_USB_KAWETH=m
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+CONFIG_USB_PEGASUS=m
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+CONFIG_USB_RTL8150=m
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+CONFIG_USB_USBNET=y
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+CONFIG_USB_NET_AX8817X=m
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+CONFIG_USB_NET_CDCETHER=m
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+CONFIG_USB_NET_CDC_EEM=m
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+CONFIG_USB_NET_DM9601=m
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+CONFIG_USB_NET_SMSC75XX=m
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+CONFIG_USB_NET_SMSC95XX=y
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+CONFIG_USB_NET_GL620A=m
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+CONFIG_USB_NET_NET1080=m
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+CONFIG_USB_NET_PLUSB=m
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+CONFIG_USB_NET_MCS7830=m
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+CONFIG_USB_NET_CDC_SUBSET=m
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+CONFIG_USB_ALI_M5632=y
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+CONFIG_USB_AN2720=y
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+CONFIG_USB_KC2190=y
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+# CONFIG_USB_NET_ZAURUS is not set
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+CONFIG_USB_NET_CX82310_ETH=m
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+CONFIG_USB_NET_KALMIA=m
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+CONFIG_USB_NET_INT51X1=m
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+CONFIG_USB_IPHETH=m
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+CONFIG_USB_SIERRA_NET=m
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+CONFIG_USB_VL600=m
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+CONFIG_LIBERTAS_THINFIRM=m
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+CONFIG_LIBERTAS_THINFIRM_USB=m
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+CONFIG_AT76C50X_USB=m
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+CONFIG_USB_ZD1201=m
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+CONFIG_USB_NET_RNDIS_WLAN=m
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+CONFIG_RTL8187=m
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+CONFIG_MAC80211_HWSIM=m
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+CONFIG_B43=m
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+CONFIG_B43LEGACY=m
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+CONFIG_HOSTAP=m
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+CONFIG_LIBERTAS=m
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+CONFIG_LIBERTAS_USB=m
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+CONFIG_LIBERTAS_SDIO=m
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+CONFIG_P54_COMMON=m
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+CONFIG_P54_USB=m
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+CONFIG_RT2X00=m
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+CONFIG_RT2500USB=m
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+CONFIG_RT73USB=m
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|
+CONFIG_RT2800USB=m
|
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+CONFIG_RT2800USB_RT53XX=y
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|
+CONFIG_RTL8192CU=m
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|
+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
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|
+CONFIG_INPUT_JOYDEV=m
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+CONFIG_INPUT_EVDEV=m
|
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+# CONFIG_INPUT_KEYBOARD is not set
|
|
+# CONFIG_INPUT_MOUSE is not set
|
|
+CONFIG_INPUT_MISC=y
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|
+CONFIG_INPUT_AD714X=m
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+CONFIG_INPUT_ATI_REMOTE2=m
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+CONFIG_INPUT_KEYSPAN_REMOTE=m
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+CONFIG_INPUT_POWERMATE=m
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|
+CONFIG_INPUT_YEALINK=m
|
|
+CONFIG_INPUT_CM109=m
|
|
+CONFIG_INPUT_UINPUT=m
|
|
+CONFIG_INPUT_ADXL34X=m
|
|
+CONFIG_INPUT_CMA3000=m
|
|
+CONFIG_SERIO=m
|
|
+CONFIG_SERIO_RAW=m
|
|
+CONFIG_GAMEPORT=m
|
|
+CONFIG_GAMEPORT_NS558=m
|
|
+CONFIG_GAMEPORT_L4=m
|
|
+# CONFIG_LEGACY_PTYS is not set
|
|
+# CONFIG_DEVKMEM is not set
|
|
+CONFIG_SERIAL_AMBA_PL011=y
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|
+CONFIG_SERIAL_AMBA_PL011_CONSOLE=y
|
|
+# CONFIG_HW_RANDOM is not set
|
|
+CONFIG_RAW_DRIVER=y
|
|
+# CONFIG_HWMON is not set
|
|
+CONFIG_WATCHDOG=y
|
|
+CONFIG_FB=y
|
|
+CONFIG_FRAMEBUFFER_CONSOLE=y
|
|
+CONFIG_LOGO=y
|
|
+# CONFIG_LOGO_LINUX_MONO is not set
|
|
+# CONFIG_LOGO_LINUX_VGA16 is not set
|
|
+CONFIG_HID_A4TECH=m
|
|
+CONFIG_HID_ACRUX=m
|
|
+CONFIG_HID_APPLE=m
|
|
+CONFIG_HID_BELKIN=m
|
|
+CONFIG_HID_CHERRY=m
|
|
+CONFIG_HID_CHICONY=m
|
|
+CONFIG_HID_CYPRESS=m
|
|
+CONFIG_HID_DRAGONRISE=m
|
|
+CONFIG_HID_EMS_FF=m
|
|
+CONFIG_HID_ELECOM=m
|
|
+CONFIG_HID_EZKEY=m
|
|
+CONFIG_HID_HOLTEK=m
|
|
+CONFIG_HID_KEYTOUCH=m
|
|
+CONFIG_HID_KYE=m
|
|
+CONFIG_HID_UCLOGIC=m
|
|
+CONFIG_HID_WALTOP=m
|
|
+CONFIG_HID_GYRATION=m
|
|
+CONFIG_HID_TWINHAN=m
|
|
+CONFIG_HID_KENSINGTON=m
|
|
+CONFIG_HID_LCPOWER=m
|
|
+CONFIG_HID_LOGITECH=m
|
|
+CONFIG_HID_MAGICMOUSE=m
|
|
+CONFIG_HID_MICROSOFT=m
|
|
+CONFIG_HID_MONTEREY=m
|
|
+CONFIG_HID_MULTITOUCH=m
|
|
+CONFIG_HID_NTRIG=m
|
|
+CONFIG_HID_ORTEK=m
|
|
+CONFIG_HID_PANTHERLORD=m
|
|
+CONFIG_HID_PETALYNX=m
|
|
+CONFIG_HID_PICOLCD=m
|
|
+CONFIG_HID_ROCCAT=m
|
|
+CONFIG_HID_SAMSUNG=m
|
|
+CONFIG_HID_SONY=m
|
|
+CONFIG_HID_SPEEDLINK=m
|
|
+CONFIG_HID_SUNPLUS=m
|
|
+CONFIG_HID_GREENASIA=m
|
|
+CONFIG_HID_SMARTJOYPLUS=m
|
|
+CONFIG_HID_TOPSEED=m
|
|
+CONFIG_HID_THRUSTMASTER=m
|
|
+CONFIG_HID_WACOM=m
|
|
+CONFIG_HID_WIIMOTE=m
|
|
+CONFIG_HID_ZEROPLUS=m
|
|
+CONFIG_HID_ZYDACRON=m
|
|
+CONFIG_HID_PID=y
|
|
+CONFIG_USB_HIDDEV=y
|
|
+CONFIG_USB=y
|
|
+CONFIG_USB_ANNOUNCE_NEW_DEVICES=y
|
|
+CONFIG_USB_MON=m
|
|
+CONFIG_USB_STORAGE=y
|
|
+CONFIG_USB_STORAGE_REALTEK=m
|
|
+CONFIG_USB_STORAGE_DATAFAB=m
|
|
+CONFIG_USB_STORAGE_FREECOM=m
|
|
+CONFIG_USB_STORAGE_ISD200=m
|
|
+CONFIG_USB_STORAGE_USBAT=m
|
|
+CONFIG_USB_STORAGE_SDDR09=m
|
|
+CONFIG_USB_STORAGE_SDDR55=m
|
|
+CONFIG_USB_STORAGE_JUMPSHOT=m
|
|
+CONFIG_USB_STORAGE_ALAUDA=m
|
|
+CONFIG_USB_STORAGE_ONETOUCH=m
|
|
+CONFIG_USB_STORAGE_KARMA=m
|
|
+CONFIG_USB_STORAGE_CYPRESS_ATACB=m
|
|
+CONFIG_USB_STORAGE_ENE_UB6250=m
|
|
+CONFIG_USB_UAS=m
|
|
+CONFIG_USB_MDC800=m
|
|
+CONFIG_USB_MICROTEK=m
|
|
+CONFIG_USB_SERIAL=m
|
|
+CONFIG_USB_SERIAL_GENERIC=y
|
|
+CONFIG_USB_SERIAL_AIRCABLE=m
|
|
+CONFIG_USB_SERIAL_ARK3116=m
|
|
+CONFIG_USB_SERIAL_BELKIN=m
|
|
+CONFIG_USB_SERIAL_CH341=m
|
|
+CONFIG_USB_SERIAL_WHITEHEAT=m
|
|
+CONFIG_USB_SERIAL_DIGI_ACCELEPORT=m
|
|
+CONFIG_USB_SERIAL_CP210X=m
|
|
+CONFIG_USB_SERIAL_CYPRESS_M8=m
|
|
+CONFIG_USB_SERIAL_EMPEG=m
|
|
+CONFIG_USB_SERIAL_FTDI_SIO=m
|
|
+CONFIG_USB_SERIAL_VISOR=m
|
|
+CONFIG_USB_SERIAL_IPAQ=m
|
|
+CONFIG_USB_SERIAL_IR=m
|
|
+CONFIG_USB_SERIAL_EDGEPORT=m
|
|
+CONFIG_USB_SERIAL_EDGEPORT_TI=m
|
|
+CONFIG_USB_SERIAL_GARMIN=m
|
|
+CONFIG_USB_SERIAL_IPW=m
|
|
+CONFIG_USB_SERIAL_IUU=m
|
|
+CONFIG_USB_SERIAL_KEYSPAN_PDA=m
|
|
+CONFIG_USB_SERIAL_KEYSPAN=m
|
|
+CONFIG_USB_SERIAL_KLSI=m
|
|
+CONFIG_USB_SERIAL_KOBIL_SCT=m
|
|
+CONFIG_USB_SERIAL_MCT_U232=m
|
|
+CONFIG_USB_SERIAL_MOS7720=m
|
|
+CONFIG_USB_SERIAL_MOS7840=m
|
|
+CONFIG_USB_SERIAL_NAVMAN=m
|
|
+CONFIG_USB_SERIAL_PL2303=m
|
|
+CONFIG_USB_SERIAL_OTI6858=m
|
|
+CONFIG_USB_SERIAL_QCAUX=m
|
|
+CONFIG_USB_SERIAL_QUALCOMM=m
|
|
+CONFIG_USB_SERIAL_SPCP8X5=m
|
|
+CONFIG_USB_SERIAL_SAFE=m
|
|
+CONFIG_USB_SERIAL_SIERRAWIRELESS=m
|
|
+CONFIG_USB_SERIAL_SYMBOL=m
|
|
+CONFIG_USB_SERIAL_TI=m
|
|
+CONFIG_USB_SERIAL_CYBERJACK=m
|
|
+CONFIG_USB_SERIAL_XIRCOM=m
|
|
+CONFIG_USB_SERIAL_OPTION=m
|
|
+CONFIG_USB_SERIAL_OMNINET=m
|
|
+CONFIG_USB_SERIAL_OPTICON=m
|
|
+CONFIG_USB_SERIAL_SSU100=m
|
|
+CONFIG_USB_SERIAL_DEBUG=m
|
|
+CONFIG_USB_EMI62=m
|
|
+CONFIG_USB_EMI26=m
|
|
+CONFIG_USB_ADUTUX=m
|
|
+CONFIG_USB_SEVSEG=m
|
|
+CONFIG_USB_RIO500=m
|
|
+CONFIG_USB_LEGOTOWER=m
|
|
+CONFIG_USB_LCD=m
|
|
+CONFIG_USB_LED=m
|
|
+CONFIG_USB_CYPRESS_CY7C63=m
|
|
+CONFIG_USB_CYTHERM=m
|
|
+CONFIG_USB_IDMOUSE=m
|
|
+CONFIG_USB_FTDI_ELAN=m
|
|
+CONFIG_USB_APPLEDISPLAY=m
|
|
+CONFIG_USB_LD=m
|
|
+CONFIG_USB_TRANCEVIBRATOR=m
|
|
+CONFIG_USB_IOWARRIOR=m
|
|
+CONFIG_USB_TEST=m
|
|
+CONFIG_USB_ISIGHTFW=m
|
|
+CONFIG_USB_YUREX=m
|
|
+CONFIG_MMC=y
|
|
+CONFIG_MMC_SDHCI=y
|
|
+CONFIG_MMC_SDHCI_PLTFM=y
|
|
+CONFIG_UIO=m
|
|
+CONFIG_UIO_PDRV_GENIRQ=m
|
|
+# CONFIG_IOMMU_SUPPORT is not set
|
|
+CONFIG_EXT4_FS=y
|
|
+CONFIG_EXT4_FS_POSIX_ACL=y
|
|
+CONFIG_EXT4_FS_SECURITY=y
|
|
+CONFIG_REISERFS_FS=m
|
|
+CONFIG_REISERFS_FS_XATTR=y
|
|
+CONFIG_REISERFS_FS_POSIX_ACL=y
|
|
+CONFIG_REISERFS_FS_SECURITY=y
|
|
+CONFIG_JFS_FS=m
|
|
+CONFIG_JFS_POSIX_ACL=y
|
|
+CONFIG_JFS_SECURITY=y
|
|
+CONFIG_JFS_STATISTICS=y
|
|
+CONFIG_XFS_FS=m
|
|
+CONFIG_XFS_QUOTA=y
|
|
+CONFIG_XFS_POSIX_ACL=y
|
|
+CONFIG_XFS_RT=y
|
|
+CONFIG_GFS2_FS=m
|
|
+CONFIG_OCFS2_FS=m
|
|
+CONFIG_BTRFS_FS=m
|
|
+CONFIG_BTRFS_FS_POSIX_ACL=y
|
|
+CONFIG_NILFS2_FS=m
|
|
+CONFIG_FANOTIFY=y
|
|
+CONFIG_AUTOFS4_FS=y
|
|
+CONFIG_FUSE_FS=m
|
|
+CONFIG_CUSE=m
|
|
+CONFIG_FSCACHE=y
|
|
+CONFIG_FSCACHE_STATS=y
|
|
+CONFIG_FSCACHE_HISTOGRAM=y
|
|
+CONFIG_CACHEFILES=y
|
|
+CONFIG_ISO9660_FS=m
|
|
+CONFIG_JOLIET=y
|
|
+CONFIG_ZISOFS=y
|
|
+CONFIG_UDF_FS=m
|
|
+CONFIG_MSDOS_FS=y
|
|
+CONFIG_VFAT_FS=y
|
|
+CONFIG_FAT_DEFAULT_IOCHARSET="ascii"
|
|
+CONFIG_NTFS_FS=m
|
|
+CONFIG_TMPFS=y
|
|
+CONFIG_TMPFS_POSIX_ACL=y
|
|
+CONFIG_CONFIGFS_FS=y
|
|
+CONFIG_SQUASHFS=m
|
|
+CONFIG_SQUASHFS_XATTR=y
|
|
+CONFIG_SQUASHFS_LZO=y
|
|
+CONFIG_SQUASHFS_XZ=y
|
|
+CONFIG_NFS_FS=y
|
|
+CONFIG_NFS_V3_ACL=y
|
|
+CONFIG_NFS_V4=y
|
|
+CONFIG_ROOT_NFS=y
|
|
+CONFIG_NFS_FSCACHE=y
|
|
+CONFIG_CIFS=m
|
|
+CONFIG_CIFS_WEAK_PW_HASH=y
|
|
+CONFIG_CIFS_XATTR=y
|
|
+CONFIG_CIFS_POSIX=y
|
|
+CONFIG_9P_FS=m
|
|
+CONFIG_9P_FS_POSIX_ACL=y
|
|
+CONFIG_NLS_DEFAULT="utf8"
|
|
+CONFIG_NLS_CODEPAGE_437=y
|
|
+CONFIG_NLS_CODEPAGE_737=m
|
|
+CONFIG_NLS_CODEPAGE_775=m
|
|
+CONFIG_NLS_CODEPAGE_850=m
|
|
+CONFIG_NLS_CODEPAGE_852=m
|
|
+CONFIG_NLS_CODEPAGE_855=m
|
|
+CONFIG_NLS_CODEPAGE_857=m
|
|
+CONFIG_NLS_CODEPAGE_860=m
|
|
+CONFIG_NLS_CODEPAGE_861=m
|
|
+CONFIG_NLS_CODEPAGE_862=m
|
|
+CONFIG_NLS_CODEPAGE_863=m
|
|
+CONFIG_NLS_CODEPAGE_864=m
|
|
+CONFIG_NLS_CODEPAGE_865=m
|
|
+CONFIG_NLS_CODEPAGE_866=m
|
|
+CONFIG_NLS_CODEPAGE_869=m
|
|
+CONFIG_NLS_CODEPAGE_936=m
|
|
+CONFIG_NLS_CODEPAGE_950=m
|
|
+CONFIG_NLS_CODEPAGE_932=m
|
|
+CONFIG_NLS_CODEPAGE_949=m
|
|
+CONFIG_NLS_CODEPAGE_874=m
|
|
+CONFIG_NLS_ISO8859_8=m
|
|
+CONFIG_NLS_CODEPAGE_1250=m
|
|
+CONFIG_NLS_CODEPAGE_1251=m
|
|
+CONFIG_NLS_ASCII=y
|
|
+CONFIG_NLS_ISO8859_1=m
|
|
+CONFIG_NLS_ISO8859_2=m
|
|
+CONFIG_NLS_ISO8859_3=m
|
|
+CONFIG_NLS_ISO8859_4=m
|
|
+CONFIG_NLS_ISO8859_5=m
|
|
+CONFIG_NLS_ISO8859_6=m
|
|
+CONFIG_NLS_ISO8859_7=m
|
|
+CONFIG_NLS_ISO8859_9=m
|
|
+CONFIG_NLS_ISO8859_13=m
|
|
+CONFIG_NLS_ISO8859_14=m
|
|
+CONFIG_NLS_ISO8859_15=m
|
|
+CONFIG_NLS_KOI8_R=m
|
|
+CONFIG_NLS_KOI8_U=m
|
|
+CONFIG_NLS_UTF8=m
|
|
+CONFIG_PRINTK_TIME=y
|
|
+CONFIG_BOOT_PRINTK_DELAY=y
|
|
+CONFIG_DEBUG_INFO=y
|
|
+CONFIG_DEBUG_STACK_USAGE=y
|
|
+CONFIG_DEBUG_MEMORY_INIT=y
|
|
+CONFIG_DETECT_HUNG_TASK=y
|
|
+CONFIG_TIMER_STATS=y
|
|
+CONFIG_LATENCYTOP=y
|
|
+CONFIG_IRQSOFF_TRACER=y
|
|
+CONFIG_SCHED_TRACER=y
|
|
+CONFIG_STACK_TRACER=y
|
|
+CONFIG_BLK_DEV_IO_TRACE=y
|
|
+CONFIG_FUNCTION_PROFILER=y
|
|
+CONFIG_KGDB=y
|
|
+CONFIG_KGDB_KDB=y
|
|
+CONFIG_KDB_KEYBOARD=y
|
|
+CONFIG_STRICT_DEVMEM=y
|
|
+CONFIG_CRYPTO_AUTHENC=m
|
|
+CONFIG_CRYPTO_CBC=y
|
|
+CONFIG_CRYPTO_HMAC=y
|
|
+CONFIG_CRYPTO_XCBC=m
|
|
+CONFIG_CRYPTO_MD5=y
|
|
+CONFIG_CRYPTO_SHA1=y
|
|
+CONFIG_CRYPTO_SHA512=m
|
|
+CONFIG_CRYPTO_TGR192=m
|
|
+CONFIG_CRYPTO_WP512=m
|
|
+CONFIG_CRYPTO_CAST5=m
|
|
+CONFIG_CRYPTO_DES=y
|
|
+CONFIG_CRYPTO_DEFLATE=m
|
|
+# CONFIG_CRYPTO_ANSI_CPRNG is not set
|
|
+# CONFIG_CRYPTO_HW is not set
|
|
+CONFIG_CRC_ITU_T=y
|
|
+CONFIG_LIBCRC32C=y
|
|
--- a/arch/arm/kernel/process.c
|
|
+++ b/arch/arm/kernel/process.c
|
|
@@ -166,6 +166,16 @@ void arch_cpu_idle_dead(void)
|
|
}
|
|
#endif
|
|
|
|
+char bcm2708_reboot_mode = 'h';
|
|
+
|
|
+int __init reboot_setup(char *str)
|
|
+{
|
|
+ bcm2708_reboot_mode = str[0];
|
|
+ return 1;
|
|
+}
|
|
+
|
|
+__setup("reboot=", reboot_setup);
|
|
+
|
|
/*
|
|
* Called by kexec, immediately prior to machine_kexec().
|
|
*
|
|
--- /dev/null
|
|
+++ b/arch/arm/mach-bcm2708/Kconfig
|
|
@@ -0,0 +1,26 @@
|
|
+menu "Broadcom BCM2708 Implementations"
|
|
+ depends on ARCH_BCM2708
|
|
+
|
|
+config MACH_BCM2708
|
|
+ bool "Broadcom BCM2708 Development Platform"
|
|
+ select NEED_MACH_MEMORY_H
|
|
+ select NEED_MACH_IO_H
|
|
+ select CPU_V6
|
|
+ help
|
|
+ Include support for the Broadcom(R) BCM2708 platform.
|
|
+
|
|
+config BCM2708_VCMEM
|
|
+ bool "Videocore Memory"
|
|
+ depends on MACH_BCM2708
|
|
+ default y
|
|
+ help
|
|
+ Helper for videocore memory access and total size allocation.
|
|
+
|
|
+config BCM2708_NOL2CACHE
|
|
+ bool "Videocore L2 cache disable"
|
|
+ depends on MACH_BCM2708
|
|
+ default n
|
|
+ help
|
|
+ Do not allow ARM to use GPU's L2 cache. Requires disable_l2cache in config.txt.
|
|
+
|
|
+endmenu
|
|
--- /dev/null
|
|
+++ b/arch/arm/mach-bcm2708/Makefile
|
|
@@ -0,0 +1,6 @@
|
|
+#
|
|
+# Makefile for the linux kernel.
|
|
+#
|
|
+
|
|
+obj-$(CONFIG_MACH_BCM2708) += clock.o bcm2708.o armctrl.o vcio.o power.o dma.o
|
|
+obj-$(CONFIG_BCM2708_VCMEM) += vc_mem.o
|
|
--- /dev/null
|
|
+++ b/arch/arm/mach-bcm2708/Makefile.boot
|
|
@@ -0,0 +1,3 @@
|
|
+ zreladdr-y := 0x00008000
|
|
+params_phys-y := 0x00000100
|
|
+initrd_phys-y := 0x00800000
|
|
--- /dev/null
|
|
+++ b/arch/arm/mach-bcm2708/armctrl.c
|
|
@@ -0,0 +1,208 @@
|
|
+/*
|
|
+ * linux/arch/arm/mach-bcm2708/armctrl.c
|
|
+ *
|
|
+ * Copyright (C) 2010 Broadcom
|
|
+ *
|
|
+ * This program is free software; you can redistribute it and/or modify
|
|
+ * it under the terms of the GNU General Public License as published by
|
|
+ * the Free Software Foundation; either version 2 of the License, or
|
|
+ * (at your option) any later version.
|
|
+ *
|
|
+ * This program is distributed in the hope that it will be useful,
|
|
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
+ * GNU General Public License for more details.
|
|
+ *
|
|
+ * You should have received a copy of the GNU General Public License
|
|
+ * along with this program; if not, write to the Free Software
|
|
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
+ */
|
|
+#include <linux/init.h>
|
|
+#include <linux/list.h>
|
|
+#include <linux/io.h>
|
|
+#include <linux/version.h>
|
|
+#include <linux/syscore_ops.h>
|
|
+#include <linux/interrupt.h>
|
|
+
|
|
+#include <asm/mach/irq.h>
|
|
+#include <mach/hardware.h>
|
|
+#include "armctrl.h"
|
|
+
|
|
+/* For support of kernels >= 3.0 assume only one VIC for now*/
|
|
+static unsigned int remap_irqs[(INTERRUPT_ARASANSDIO + 1) - INTERRUPT_JPEG] = {
|
|
+ INTERRUPT_VC_JPEG,
|
|
+ INTERRUPT_VC_USB,
|
|
+ INTERRUPT_VC_3D,
|
|
+ INTERRUPT_VC_DMA2,
|
|
+ INTERRUPT_VC_DMA3,
|
|
+ INTERRUPT_VC_I2C,
|
|
+ INTERRUPT_VC_SPI,
|
|
+ INTERRUPT_VC_I2SPCM,
|
|
+ INTERRUPT_VC_SDIO,
|
|
+ INTERRUPT_VC_UART,
|
|
+ INTERRUPT_VC_ARASANSDIO
|
|
+};
|
|
+
|
|
+static void armctrl_mask_irq(struct irq_data *d)
|
|
+{
|
|
+ static const unsigned int disables[4] = {
|
|
+ ARM_IRQ_DIBL1,
|
|
+ ARM_IRQ_DIBL2,
|
|
+ ARM_IRQ_DIBL3,
|
|
+ 0
|
|
+ };
|
|
+
|
|
+ unsigned int data = (unsigned int)irq_get_chip_data(d->irq);
|
|
+ writel(1 << (data & 0x1f), __io_address(disables[(data >> 5) & 0x3]));
|
|
+}
|
|
+
|
|
+static void armctrl_unmask_irq(struct irq_data *d)
|
|
+{
|
|
+ static const unsigned int enables[4] = {
|
|
+ ARM_IRQ_ENBL1,
|
|
+ ARM_IRQ_ENBL2,
|
|
+ ARM_IRQ_ENBL3,
|
|
+ 0
|
|
+ };
|
|
+
|
|
+ unsigned int data = (unsigned int)irq_get_chip_data(d->irq);
|
|
+ writel(1 << (data & 0x1f), __io_address(enables[(data >> 5) & 0x3]));
|
|
+}
|
|
+
|
|
+#if defined(CONFIG_PM)
|
|
+
|
|
+/* for kernels 3.xx use the new syscore_ops apis but for older kernels use the sys dev class */
|
|
+
|
|
+/* Static defines
|
|
+ * struct armctrl_device - VIC PM device (< 3.xx)
|
|
+ * @sysdev: The system device which is registered. (< 3.xx)
|
|
+ * @irq: The IRQ number for the base of the VIC.
|
|
+ * @base: The register base for the VIC.
|
|
+ * @resume_sources: A bitmask of interrupts for resume.
|
|
+ * @resume_irqs: The IRQs enabled for resume.
|
|
+ * @int_select: Save for VIC_INT_SELECT.
|
|
+ * @int_enable: Save for VIC_INT_ENABLE.
|
|
+ * @soft_int: Save for VIC_INT_SOFT.
|
|
+ * @protect: Save for VIC_PROTECT.
|
|
+ */
|
|
+struct armctrl_info {
|
|
+ void __iomem *base;
|
|
+ int irq;
|
|
+ u32 resume_sources;
|
|
+ u32 resume_irqs;
|
|
+ u32 int_select;
|
|
+ u32 int_enable;
|
|
+ u32 soft_int;
|
|
+ u32 protect;
|
|
+} armctrl;
|
|
+
|
|
+static int armctrl_suspend(void)
|
|
+{
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static void armctrl_resume(void)
|
|
+{
|
|
+ return;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * armctrl_pm_register - Register a VIC for later power management control
|
|
+ * @base: The base address of the VIC.
|
|
+ * @irq: The base IRQ for the VIC.
|
|
+ * @resume_sources: bitmask of interrupts allowed for resume sources.
|
|
+ *
|
|
+ * For older kernels (< 3.xx) do -
|
|
+ * Register the VIC with the system device tree so that it can be notified
|
|
+ * of suspend and resume requests and ensure that the correct actions are
|
|
+ * taken to re-instate the settings on resume.
|
|
+ */
|
|
+static void __init armctrl_pm_register(void __iomem * base, unsigned int irq,
|
|
+ u32 resume_sources)
|
|
+{
|
|
+ armctrl.base = base;
|
|
+ armctrl.resume_sources = resume_sources;
|
|
+ armctrl.irq = irq;
|
|
+}
|
|
+
|
|
+static int armctrl_set_wake(struct irq_data *d, unsigned int on)
|
|
+{
|
|
+ unsigned int off = d->irq & 31;
|
|
+ u32 bit = 1 << off;
|
|
+
|
|
+ if (!(bit & armctrl.resume_sources))
|
|
+ return -EINVAL;
|
|
+
|
|
+ if (on)
|
|
+ armctrl.resume_irqs |= bit;
|
|
+ else
|
|
+ armctrl.resume_irqs &= ~bit;
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+#else
|
|
+static inline void armctrl_pm_register(void __iomem * base, unsigned int irq,
|
|
+ u32 arg1)
|
|
+{
|
|
+}
|
|
+
|
|
+#define armctrl_suspend NULL
|
|
+#define armctrl_resume NULL
|
|
+#define armctrl_set_wake NULL
|
|
+#endif /* CONFIG_PM */
|
|
+
|
|
+static struct syscore_ops armctrl_syscore_ops = {
|
|
+ .suspend = armctrl_suspend,
|
|
+ .resume = armctrl_resume,
|
|
+};
|
|
+
|
|
+/**
|
|
+ * armctrl_syscore_init - initicall to register VIC pm functions
|
|
+ *
|
|
+ * This is called via late_initcall() to register
|
|
+ * the resources for the VICs due to the early
|
|
+ * nature of the VIC's registration.
|
|
+*/
|
|
+static int __init armctrl_syscore_init(void)
|
|
+{
|
|
+ register_syscore_ops(&armctrl_syscore_ops);
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+late_initcall(armctrl_syscore_init);
|
|
+
|
|
+static struct irq_chip armctrl_chip = {
|
|
+ .name = "ARMCTRL",
|
|
+ .irq_ack = NULL,
|
|
+ .irq_mask = armctrl_mask_irq,
|
|
+ .irq_unmask = armctrl_unmask_irq,
|
|
+ .irq_set_wake = armctrl_set_wake,
|
|
+};
|
|
+
|
|
+/**
|
|
+ * armctrl_init - initialise a vectored interrupt controller
|
|
+ * @base: iomem base address
|
|
+ * @irq_start: starting interrupt number, must be muliple of 32
|
|
+ * @armctrl_sources: bitmask of interrupt sources to allow
|
|
+ * @resume_sources: bitmask of interrupt sources to allow for resume
|
|
+ */
|
|
+int __init armctrl_init(void __iomem * base, unsigned int irq_start,
|
|
+ u32 armctrl_sources, u32 resume_sources)
|
|
+{
|
|
+ unsigned int irq;
|
|
+
|
|
+ for (irq = 0; irq < BCM2708_ALLOC_IRQS; irq++) {
|
|
+ unsigned int data = irq;
|
|
+ if (irq >= INTERRUPT_JPEG && irq <= INTERRUPT_ARASANSDIO)
|
|
+ data = remap_irqs[irq - INTERRUPT_JPEG];
|
|
+
|
|
+ irq_set_chip(irq, &armctrl_chip);
|
|
+ irq_set_chip_data(irq, (void *)data);
|
|
+ irq_set_handler(irq, handle_level_irq);
|
|
+ set_irq_flags(irq, IRQF_VALID | IRQF_PROBE | IRQF_DISABLED);
|
|
+ }
|
|
+
|
|
+ armctrl_pm_register(base, irq_start, resume_sources);
|
|
+ return 0;
|
|
+}
|
|
--- /dev/null
|
|
+++ b/arch/arm/mach-bcm2708/armctrl.h
|
|
@@ -0,0 +1,27 @@
|
|
+/*
|
|
+ * linux/arch/arm/mach-bcm2708/armctrl.h
|
|
+ *
|
|
+ * Copyright (C) 2010 Broadcom
|
|
+ *
|
|
+ * This program is free software; you can redistribute it and/or modify
|
|
+ * it under the terms of the GNU General Public License as published by
|
|
+ * the Free Software Foundation; either version 2 of the License, or
|
|
+ * (at your option) any later version.
|
|
+ *
|
|
+ * This program is distributed in the hope that it will be useful,
|
|
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
+ * GNU General Public License for more details.
|
|
+ *
|
|
+ * You should have received a copy of the GNU General Public License
|
|
+ * along with this program; if not, write to the Free Software
|
|
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
+ */
|
|
+
|
|
+#ifndef __BCM2708_ARMCTRL_H
|
|
+#define __BCM2708_ARMCTRL_H
|
|
+
|
|
+extern int __init armctrl_init(void __iomem * base, unsigned int irq_start,
|
|
+ u32 armctrl_sources, u32 resume_sources);
|
|
+
|
|
+#endif
|
|
--- /dev/null
|
|
+++ b/arch/arm/mach-bcm2708/bcm2708.c
|
|
@@ -0,0 +1,662 @@
|
|
+/*
|
|
+ * linux/arch/arm/mach-bcm2708/bcm2708.c
|
|
+ *
|
|
+ * Copyright (C) 2010 Broadcom
|
|
+ *
|
|
+ * This program is free software; you can redistribute it and/or modify
|
|
+ * it under the terms of the GNU General Public License as published by
|
|
+ * the Free Software Foundation; either version 2 of the License, or
|
|
+ * (at your option) any later version.
|
|
+ *
|
|
+ * This program is distributed in the hope that it will be useful,
|
|
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
+ * GNU General Public License for more details.
|
|
+ *
|
|
+ * You should have received a copy of the GNU General Public License
|
|
+ * along with this program; if not, write to the Free Software
|
|
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
+ */
|
|
+
|
|
+#include <linux/init.h>
|
|
+#include <linux/device.h>
|
|
+#include <linux/dma-mapping.h>
|
|
+#include <linux/serial_8250.h>
|
|
+#include <linux/platform_device.h>
|
|
+#include <linux/syscore_ops.h>
|
|
+#include <linux/interrupt.h>
|
|
+#include <linux/amba/bus.h>
|
|
+#include <linux/amba/clcd.h>
|
|
+#include <linux/clockchips.h>
|
|
+#include <linux/cnt32_to_63.h>
|
|
+#include <linux/io.h>
|
|
+#include <linux/module.h>
|
|
+
|
|
+#include <linux/version.h>
|
|
+#include <linux/clkdev.h>
|
|
+#include <asm/system_info.h>
|
|
+#include <mach/hardware.h>
|
|
+#include <asm/irq.h>
|
|
+#include <linux/leds.h>
|
|
+#include <asm/mach-types.h>
|
|
+#include <linux/sched_clock.h>
|
|
+
|
|
+#include <asm/mach/arch.h>
|
|
+#include <asm/mach/flash.h>
|
|
+#include <asm/mach/irq.h>
|
|
+#include <asm/mach/time.h>
|
|
+#include <asm/mach/map.h>
|
|
+
|
|
+#include <mach/timex.h>
|
|
+#include <mach/dma.h>
|
|
+#include <mach/vcio.h>
|
|
+#include <mach/system.h>
|
|
+
|
|
+#include <linux/delay.h>
|
|
+
|
|
+#include "bcm2708.h"
|
|
+#include "armctrl.h"
|
|
+#include "clock.h"
|
|
+
|
|
+#ifdef CONFIG_BCM_VC_CMA
|
|
+#include <linux/broadcom/vc_cma.h>
|
|
+#endif
|
|
+
|
|
+
|
|
+/* Effectively we have an IOMMU (ARM<->VideoCore map) that is set up to
|
|
+ * give us IO access only to 64Mbytes of physical memory (26 bits). We could
|
|
+ * represent this window by setting our dmamasks to 26 bits but, in fact
|
|
+ * we're not going to use addresses outside this range (they're not in real
|
|
+ * memory) so we don't bother.
|
|
+ *
|
|
+ * In the future we might include code to use this IOMMU to remap other
|
|
+ * physical addresses onto VideoCore memory then the use of 32-bits would be
|
|
+ * more legitimate.
|
|
+ */
|
|
+#define DMA_MASK_BITS_COMMON 32
|
|
+
|
|
+/* command line parameters */
|
|
+static unsigned boardrev, serial;
|
|
+static unsigned uart_clock;
|
|
+static unsigned disk_led_gpio = 16;
|
|
+static unsigned disk_led_active_low = 1;
|
|
+static unsigned reboot_part = 0;
|
|
+
|
|
+static void __init bcm2708_init_led(void);
|
|
+
|
|
+void __init bcm2708_init_irq(void)
|
|
+{
|
|
+ armctrl_init(__io_address(ARMCTRL_IC_BASE), 0, 0, 0);
|
|
+}
|
|
+
|
|
+static struct map_desc bcm2708_io_desc[] __initdata = {
|
|
+ {
|
|
+ .virtual = IO_ADDRESS(ARMCTRL_BASE),
|
|
+ .pfn = __phys_to_pfn(ARMCTRL_BASE),
|
|
+ .length = SZ_4K,
|
|
+ .type = MT_DEVICE},
|
|
+ {
|
|
+ .virtual = IO_ADDRESS(UART0_BASE),
|
|
+ .pfn = __phys_to_pfn(UART0_BASE),
|
|
+ .length = SZ_4K,
|
|
+ .type = MT_DEVICE},
|
|
+ {
|
|
+ .virtual = IO_ADDRESS(UART1_BASE),
|
|
+ .pfn = __phys_to_pfn(UART1_BASE),
|
|
+ .length = SZ_4K,
|
|
+ .type = MT_DEVICE},
|
|
+ {
|
|
+ .virtual = IO_ADDRESS(DMA_BASE),
|
|
+ .pfn = __phys_to_pfn(DMA_BASE),
|
|
+ .length = SZ_4K,
|
|
+ .type = MT_DEVICE},
|
|
+ {
|
|
+ .virtual = IO_ADDRESS(MCORE_BASE),
|
|
+ .pfn = __phys_to_pfn(MCORE_BASE),
|
|
+ .length = SZ_4K,
|
|
+ .type = MT_DEVICE},
|
|
+ {
|
|
+ .virtual = IO_ADDRESS(ST_BASE),
|
|
+ .pfn = __phys_to_pfn(ST_BASE),
|
|
+ .length = SZ_4K,
|
|
+ .type = MT_DEVICE},
|
|
+ {
|
|
+ .virtual = IO_ADDRESS(USB_BASE),
|
|
+ .pfn = __phys_to_pfn(USB_BASE),
|
|
+ .length = SZ_128K,
|
|
+ .type = MT_DEVICE},
|
|
+ {
|
|
+ .virtual = IO_ADDRESS(PM_BASE),
|
|
+ .pfn = __phys_to_pfn(PM_BASE),
|
|
+ .length = SZ_4K,
|
|
+ .type = MT_DEVICE},
|
|
+ {
|
|
+ .virtual = IO_ADDRESS(GPIO_BASE),
|
|
+ .pfn = __phys_to_pfn(GPIO_BASE),
|
|
+ .length = SZ_4K,
|
|
+ .type = MT_DEVICE}
|
|
+};
|
|
+
|
|
+void __init bcm2708_map_io(void)
|
|
+{
|
|
+ iotable_init(bcm2708_io_desc, ARRAY_SIZE(bcm2708_io_desc));
|
|
+}
|
|
+
|
|
+/* The STC is a free running counter that increments at the rate of 1MHz */
|
|
+#define STC_FREQ_HZ 1000000
|
|
+
|
|
+static inline uint32_t timer_read(void)
|
|
+{
|
|
+ /* STC: a free running counter that increments at the rate of 1MHz */
|
|
+ return readl(__io_address(ST_BASE + 0x04));
|
|
+}
|
|
+
|
|
+static unsigned long bcm2708_read_current_timer(void)
|
|
+{
|
|
+ return timer_read();
|
|
+}
|
|
+
|
|
+static u64 notrace bcm2708_read_sched_clock(void)
|
|
+{
|
|
+ return timer_read();
|
|
+}
|
|
+
|
|
+static cycle_t clksrc_read(struct clocksource *cs)
|
|
+{
|
|
+ return timer_read();
|
|
+}
|
|
+
|
|
+static struct clocksource clocksource_stc = {
|
|
+ .name = "stc",
|
|
+ .rating = 300,
|
|
+ .read = clksrc_read,
|
|
+ .mask = CLOCKSOURCE_MASK(32),
|
|
+ .flags = CLOCK_SOURCE_IS_CONTINUOUS,
|
|
+};
|
|
+
|
|
+unsigned long frc_clock_ticks32(void)
|
|
+{
|
|
+ return timer_read();
|
|
+}
|
|
+
|
|
+static void __init bcm2708_clocksource_init(void)
|
|
+{
|
|
+ if (clocksource_register_hz(&clocksource_stc, STC_FREQ_HZ)) {
|
|
+ printk(KERN_ERR "timer: failed to initialize clock "
|
|
+ "source %s\n", clocksource_stc.name);
|
|
+ }
|
|
+}
|
|
+
|
|
+
|
|
+/*
|
|
+ * These are fixed clocks.
|
|
+ */
|
|
+static struct clk ref24_clk = {
|
|
+ .rate = UART0_CLOCK, /* The UART is clocked at 3MHz via APB_CLK */
|
|
+};
|
|
+
|
|
+static struct clk osc_clk = {
|
|
+#ifdef CONFIG_ARCH_BCM2708_CHIPIT
|
|
+ .rate = 27000000,
|
|
+#else
|
|
+ .rate = 500000000, /* ARM clock is set from the VideoCore booter */
|
|
+#endif
|
|
+};
|
|
+
|
|
+/* warning - the USB needs a clock > 34MHz */
|
|
+
|
|
+#ifdef CONFIG_MMC_BCM2708
|
|
+static struct clk sdhost_clk = {
|
|
+#ifdef CONFIG_ARCH_BCM2708_CHIPIT
|
|
+ .rate = 4000000, /* 4MHz */
|
|
+#else
|
|
+ .rate = 250000000, /* 250MHz */
|
|
+#endif
|
|
+};
|
|
+#endif
|
|
+
|
|
+static struct clk_lookup lookups[] = {
|
|
+ { /* UART0 */
|
|
+ .dev_id = "dev:f1",
|
|
+ .clk = &ref24_clk,
|
|
+ },
|
|
+ { /* USB */
|
|
+ .dev_id = "bcm2708_usb",
|
|
+ .clk = &osc_clk,
|
|
+ }
|
|
+};
|
|
+
|
|
+#define UART0_IRQ { IRQ_UART, 0 /*NO_IRQ*/ }
|
|
+#define UART0_DMA { 15, 14 }
|
|
+
|
|
+AMBA_DEVICE(uart0, "dev:f1", UART0, NULL);
|
|
+
|
|
+static struct amba_device *amba_devs[] __initdata = {
|
|
+ &uart0_device,
|
|
+};
|
|
+
|
|
+static struct resource bcm2708_dmaman_resources[] = {
|
|
+ {
|
|
+ .start = DMA_BASE,
|
|
+ .end = DMA_BASE + SZ_4K - 1,
|
|
+ .flags = IORESOURCE_MEM,
|
|
+ }
|
|
+};
|
|
+
|
|
+static struct platform_device bcm2708_dmaman_device = {
|
|
+ .name = BCM_DMAMAN_DRIVER_NAME,
|
|
+ .id = 0, /* first bcm2708_dma */
|
|
+ .resource = bcm2708_dmaman_resources,
|
|
+ .num_resources = ARRAY_SIZE(bcm2708_dmaman_resources),
|
|
+};
|
|
+
|
|
+static u64 fb_dmamask = DMA_BIT_MASK(DMA_MASK_BITS_COMMON);
|
|
+
|
|
+static struct platform_device bcm2708_fb_device = {
|
|
+ .name = "bcm2708_fb",
|
|
+ .id = -1, /* only one bcm2708_fb */
|
|
+ .resource = NULL,
|
|
+ .num_resources = 0,
|
|
+ .dev = {
|
|
+ .dma_mask = &fb_dmamask,
|
|
+ .coherent_dma_mask = DMA_BIT_MASK(DMA_MASK_BITS_COMMON),
|
|
+ },
|
|
+};
|
|
+
|
|
+static struct plat_serial8250_port bcm2708_uart1_platform_data[] = {
|
|
+ {
|
|
+ .mapbase = UART1_BASE + 0x40,
|
|
+ .irq = IRQ_AUX,
|
|
+ .uartclk = 125000000,
|
|
+ .regshift = 2,
|
|
+ .iotype = UPIO_MEM,
|
|
+ .flags = UPF_FIXED_TYPE | UPF_IOREMAP | UPF_SKIP_TEST,
|
|
+ .type = PORT_8250,
|
|
+ },
|
|
+ {},
|
|
+};
|
|
+
|
|
+static struct platform_device bcm2708_uart1_device = {
|
|
+ .name = "serial8250",
|
|
+ .id = PLAT8250_DEV_PLATFORM,
|
|
+ .dev = {
|
|
+ .platform_data = bcm2708_uart1_platform_data,
|
|
+ },
|
|
+};
|
|
+
|
|
+static struct resource bcm2708_usb_resources[] = {
|
|
+ [0] = {
|
|
+ .start = USB_BASE,
|
|
+ .end = USB_BASE + SZ_128K - 1,
|
|
+ .flags = IORESOURCE_MEM,
|
|
+ },
|
|
+ [1] = {
|
|
+ .start = IRQ_USB,
|
|
+ .end = IRQ_USB,
|
|
+ .flags = IORESOURCE_IRQ,
|
|
+ },
|
|
+};
|
|
+
|
|
+static u64 usb_dmamask = DMA_BIT_MASK(DMA_MASK_BITS_COMMON);
|
|
+
|
|
+static struct platform_device bcm2708_usb_device = {
|
|
+ .name = "bcm2708_usb",
|
|
+ .id = -1, /* only one bcm2708_usb */
|
|
+ .resource = bcm2708_usb_resources,
|
|
+ .num_resources = ARRAY_SIZE(bcm2708_usb_resources),
|
|
+ .dev = {
|
|
+ .dma_mask = &usb_dmamask,
|
|
+ .coherent_dma_mask = DMA_BIT_MASK(DMA_MASK_BITS_COMMON),
|
|
+ },
|
|
+};
|
|
+
|
|
+static struct resource bcm2708_vcio_resources[] = {
|
|
+ [0] = { /* mailbox/semaphore/doorbell access */
|
|
+ .start = MCORE_BASE,
|
|
+ .end = MCORE_BASE + SZ_4K - 1,
|
|
+ .flags = IORESOURCE_MEM,
|
|
+ },
|
|
+};
|
|
+
|
|
+static u64 vcio_dmamask = DMA_BIT_MASK(DMA_MASK_BITS_COMMON);
|
|
+
|
|
+static struct platform_device bcm2708_vcio_device = {
|
|
+ .name = BCM_VCIO_DRIVER_NAME,
|
|
+ .id = -1, /* only one VideoCore I/O area */
|
|
+ .resource = bcm2708_vcio_resources,
|
|
+ .num_resources = ARRAY_SIZE(bcm2708_vcio_resources),
|
|
+ .dev = {
|
|
+ .dma_mask = &vcio_dmamask,
|
|
+ .coherent_dma_mask = DMA_BIT_MASK(DMA_MASK_BITS_COMMON),
|
|
+ },
|
|
+};
|
|
+
|
|
+static struct resource bcm2708_systemtimer_resources[] = {
|
|
+ [0] = { /* system timer access */
|
|
+ .start = ST_BASE,
|
|
+ .end = ST_BASE + SZ_4K - 1,
|
|
+ .flags = IORESOURCE_MEM,
|
|
+ },
|
|
+ {
|
|
+ .start = IRQ_TIMER3,
|
|
+ .end = IRQ_TIMER3,
|
|
+ .flags = IORESOURCE_IRQ,
|
|
+ }
|
|
+
|
|
+};
|
|
+
|
|
+static u64 systemtimer_dmamask = DMA_BIT_MASK(DMA_MASK_BITS_COMMON);
|
|
+
|
|
+static struct platform_device bcm2708_systemtimer_device = {
|
|
+ .name = "bcm2708_systemtimer",
|
|
+ .id = -1, /* only one VideoCore I/O area */
|
|
+ .resource = bcm2708_systemtimer_resources,
|
|
+ .num_resources = ARRAY_SIZE(bcm2708_systemtimer_resources),
|
|
+ .dev = {
|
|
+ .dma_mask = &systemtimer_dmamask,
|
|
+ .coherent_dma_mask = DMA_BIT_MASK(DMA_MASK_BITS_COMMON),
|
|
+ },
|
|
+};
|
|
+
|
|
+static struct resource bcm2708_powerman_resources[] = {
|
|
+ [0] = {
|
|
+ .start = PM_BASE,
|
|
+ .end = PM_BASE + SZ_256 - 1,
|
|
+ .flags = IORESOURCE_MEM,
|
|
+ },
|
|
+};
|
|
+
|
|
+static u64 powerman_dmamask = DMA_BIT_MASK(DMA_MASK_BITS_COMMON);
|
|
+
|
|
+struct platform_device bcm2708_powerman_device = {
|
|
+ .name = "bcm2708_powerman",
|
|
+ .id = 0,
|
|
+ .num_resources = ARRAY_SIZE(bcm2708_powerman_resources),
|
|
+ .resource = bcm2708_powerman_resources,
|
|
+ .dev = {
|
|
+ .dma_mask = &powerman_dmamask,
|
|
+ .coherent_dma_mask = 0xffffffffUL},
|
|
+};
|
|
+
|
|
+int __init bcm_register_device(struct platform_device *pdev)
|
|
+{
|
|
+ int ret;
|
|
+
|
|
+ ret = platform_device_register(pdev);
|
|
+ if (ret)
|
|
+ pr_debug("Unable to register platform device '%s': %d\n",
|
|
+ pdev->name, ret);
|
|
+
|
|
+ return ret;
|
|
+}
|
|
+
|
|
+int calc_rsts(int partition)
|
|
+{
|
|
+ return PM_PASSWORD |
|
|
+ ((partition & (1 << 0)) << 0) |
|
|
+ ((partition & (1 << 1)) << 1) |
|
|
+ ((partition & (1 << 2)) << 2) |
|
|
+ ((partition & (1 << 3)) << 3) |
|
|
+ ((partition & (1 << 4)) << 4) |
|
|
+ ((partition & (1 << 5)) << 5);
|
|
+}
|
|
+
|
|
+static void bcm2708_restart(enum reboot_mode mode, const char *cmd)
|
|
+{
|
|
+ extern char bcm2708_reboot_mode;
|
|
+ uint32_t pm_rstc, pm_wdog;
|
|
+ uint32_t timeout = 10;
|
|
+ uint32_t pm_rsts = 0;
|
|
+
|
|
+ if(bcm2708_reboot_mode == 'q')
|
|
+ {
|
|
+ // NOOBS < 1.3 booting with reboot=q
|
|
+ pm_rsts = readl(__io_address(PM_RSTS));
|
|
+ pm_rsts = PM_PASSWORD | pm_rsts | PM_RSTS_HADWRQ_SET;
|
|
+ }
|
|
+ else if(bcm2708_reboot_mode == 'p')
|
|
+ {
|
|
+ // NOOBS < 1.3 halting
|
|
+ pm_rsts = readl(__io_address(PM_RSTS));
|
|
+ pm_rsts = PM_PASSWORD | pm_rsts | PM_RSTS_HADWRH_SET;
|
|
+ }
|
|
+ else
|
|
+ {
|
|
+ pm_rsts = calc_rsts(reboot_part);
|
|
+ }
|
|
+
|
|
+ writel(pm_rsts, __io_address(PM_RSTS));
|
|
+
|
|
+ /* Setup watchdog for reset */
|
|
+ pm_rstc = readl(__io_address(PM_RSTC));
|
|
+
|
|
+ pm_wdog = PM_PASSWORD | (timeout & PM_WDOG_TIME_SET); // watchdog timer = timer clock / 16; need password (31:16) + value (11:0)
|
|
+ pm_rstc = PM_PASSWORD | (pm_rstc & PM_RSTC_WRCFG_CLR) | PM_RSTC_WRCFG_FULL_RESET;
|
|
+
|
|
+ writel(pm_wdog, __io_address(PM_WDOG));
|
|
+ writel(pm_rstc, __io_address(PM_RSTC));
|
|
+}
|
|
+
|
|
+/* We can't really power off, but if we do the normal reset scheme, and indicate to bootcode.bin not to reboot, then most of the chip will be powered off */
|
|
+static void bcm2708_power_off(void)
|
|
+{
|
|
+ extern char bcm2708_reboot_mode;
|
|
+ if(bcm2708_reboot_mode == 'q')
|
|
+ {
|
|
+ // NOOBS < v1.3
|
|
+ bcm2708_restart('p', "");
|
|
+ }
|
|
+ else
|
|
+ {
|
|
+ /* partition 63 is special code for HALT the bootloader knows not to boot*/
|
|
+ reboot_part = 63;
|
|
+ /* continue with normal reset mechanism */
|
|
+ bcm2708_restart(0, "");
|
|
+ }
|
|
+}
|
|
+
|
|
+void __init bcm2708_init(void)
|
|
+{
|
|
+ int i;
|
|
+
|
|
+#if defined(CONFIG_BCM_VC_CMA)
|
|
+ vc_cma_early_init();
|
|
+#endif
|
|
+ printk("bcm2708.uart_clock = %d\n", uart_clock);
|
|
+ pm_power_off = bcm2708_power_off;
|
|
+
|
|
+ if (uart_clock)
|
|
+ lookups[0].clk->rate = uart_clock;
|
|
+
|
|
+ for (i = 0; i < ARRAY_SIZE(lookups); i++)
|
|
+ clkdev_add(&lookups[i]);
|
|
+
|
|
+ bcm_register_device(&bcm2708_dmaman_device);
|
|
+ bcm_register_device(&bcm2708_vcio_device);
|
|
+ bcm_register_device(&bcm2708_systemtimer_device);
|
|
+ bcm_register_device(&bcm2708_fb_device);
|
|
+ bcm_register_device(&bcm2708_usb_device);
|
|
+ bcm_register_device(&bcm2708_uart1_device);
|
|
+ bcm_register_device(&bcm2708_powerman_device);
|
|
+
|
|
+ bcm2708_init_led();
|
|
+
|
|
+ for (i = 0; i < ARRAY_SIZE(amba_devs); i++) {
|
|
+ struct amba_device *d = amba_devs[i];
|
|
+ amba_device_register(d, &iomem_resource);
|
|
+ }
|
|
+ system_rev = boardrev;
|
|
+ system_serial_low = serial;
|
|
+}
|
|
+
|
|
+static void timer_set_mode(enum clock_event_mode mode,
|
|
+ struct clock_event_device *clk)
|
|
+{
|
|
+ switch (mode) {
|
|
+ case CLOCK_EVT_MODE_ONESHOT: /* Leave the timer disabled, .set_next_event will enable it */
|
|
+ case CLOCK_EVT_MODE_SHUTDOWN:
|
|
+ break;
|
|
+ case CLOCK_EVT_MODE_PERIODIC:
|
|
+
|
|
+ case CLOCK_EVT_MODE_UNUSED:
|
|
+ case CLOCK_EVT_MODE_RESUME:
|
|
+
|
|
+ default:
|
|
+ printk(KERN_ERR "timer_set_mode: unhandled mode:%d\n",
|
|
+ (int)mode);
|
|
+ break;
|
|
+ }
|
|
+
|
|
+}
|
|
+
|
|
+static int timer_set_next_event(unsigned long cycles,
|
|
+ struct clock_event_device *unused)
|
|
+{
|
|
+ unsigned long stc;
|
|
+ do {
|
|
+ stc = readl(__io_address(ST_BASE + 0x04));
|
|
+ /* We could take a FIQ here, which may push ST above STC3 */
|
|
+ writel(stc + cycles, __io_address(ST_BASE + 0x18));
|
|
+ } while ((signed long) cycles >= 0 &&
|
|
+ (signed long) (readl(__io_address(ST_BASE + 0x04)) - stc)
|
|
+ >= (signed long) cycles);
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static struct clock_event_device timer0_clockevent = {
|
|
+ .name = "timer0",
|
|
+ .shift = 32,
|
|
+ .features = CLOCK_EVT_FEAT_ONESHOT,
|
|
+ .set_mode = timer_set_mode,
|
|
+ .set_next_event = timer_set_next_event,
|
|
+};
|
|
+
|
|
+/*
|
|
+ * IRQ handler for the timer
|
|
+ */
|
|
+static irqreturn_t bcm2708_timer_interrupt(int irq, void *dev_id)
|
|
+{
|
|
+ struct clock_event_device *evt = &timer0_clockevent;
|
|
+
|
|
+ writel(1 << 3, __io_address(ST_BASE + 0x00)); /* stcs clear timer int */
|
|
+
|
|
+ evt->event_handler(evt);
|
|
+
|
|
+ return IRQ_HANDLED;
|
|
+}
|
|
+
|
|
+static struct irqaction bcm2708_timer_irq = {
|
|
+ .name = "BCM2708 Timer Tick",
|
|
+ .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
|
|
+ .handler = bcm2708_timer_interrupt,
|
|
+};
|
|
+
|
|
+/*
|
|
+ * Set up timer interrupt, and return the current time in seconds.
|
|
+ */
|
|
+
|
|
+static struct delay_timer bcm2708_delay_timer = {
|
|
+ .read_current_timer = bcm2708_read_current_timer,
|
|
+ .freq = STC_FREQ_HZ,
|
|
+};
|
|
+
|
|
+static void __init bcm2708_timer_init(void)
|
|
+{
|
|
+ /* init high res timer */
|
|
+ bcm2708_clocksource_init();
|
|
+
|
|
+ /*
|
|
+ * Initialise to a known state (all timers off)
|
|
+ */
|
|
+ writel(0, __io_address(ARM_T_CONTROL));
|
|
+ /*
|
|
+ * Make irqs happen for the system timer
|
|
+ */
|
|
+ setup_irq(IRQ_TIMER3, &bcm2708_timer_irq);
|
|
+
|
|
+ sched_clock_register(bcm2708_read_sched_clock, 32, STC_FREQ_HZ);
|
|
+
|
|
+ timer0_clockevent.mult =
|
|
+ div_sc(STC_FREQ_HZ, NSEC_PER_SEC, timer0_clockevent.shift);
|
|
+ timer0_clockevent.max_delta_ns =
|
|
+ clockevent_delta2ns(0xffffffff, &timer0_clockevent);
|
|
+ timer0_clockevent.min_delta_ns =
|
|
+ clockevent_delta2ns(0xf, &timer0_clockevent);
|
|
+
|
|
+ timer0_clockevent.cpumask = cpumask_of(0);
|
|
+ clockevents_register_device(&timer0_clockevent);
|
|
+
|
|
+ register_current_timer_delay(&bcm2708_delay_timer);
|
|
+}
|
|
+
|
|
+#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
|
|
+#include <linux/leds.h>
|
|
+
|
|
+static struct gpio_led bcm2708_leds[] = {
|
|
+ [0] = {
|
|
+ .gpio = 16,
|
|
+ .name = "led0",
|
|
+ .default_trigger = "mmc0",
|
|
+ .active_low = 1,
|
|
+ },
|
|
+};
|
|
+
|
|
+static struct gpio_led_platform_data bcm2708_led_pdata = {
|
|
+ .num_leds = ARRAY_SIZE(bcm2708_leds),
|
|
+ .leds = bcm2708_leds,
|
|
+};
|
|
+
|
|
+static struct platform_device bcm2708_led_device = {
|
|
+ .name = "leds-gpio",
|
|
+ .id = -1,
|
|
+ .dev = {
|
|
+ .platform_data = &bcm2708_led_pdata,
|
|
+ },
|
|
+};
|
|
+
|
|
+static void __init bcm2708_init_led(void)
|
|
+{
|
|
+ bcm2708_leds[0].gpio = disk_led_gpio;
|
|
+ bcm2708_leds[0].active_low = disk_led_active_low;
|
|
+ platform_device_register(&bcm2708_led_device);
|
|
+}
|
|
+#else
|
|
+static inline void bcm2708_init_led(void)
|
|
+{
|
|
+}
|
|
+#endif
|
|
+
|
|
+void __init bcm2708_init_early(void)
|
|
+{
|
|
+ /*
|
|
+ * Some devices allocate their coherent buffers from atomic
|
|
+ * context. Increase size of atomic coherent pool to make sure such
|
|
+ * the allocations won't fail.
|
|
+ */
|
|
+ init_dma_coherent_pool_size(SZ_4M);
|
|
+}
|
|
+
|
|
+static void __init board_reserve(void)
|
|
+{
|
|
+#if defined(CONFIG_BCM_VC_CMA)
|
|
+ vc_cma_reserve();
|
|
+#endif
|
|
+}
|
|
+
|
|
+MACHINE_START(BCM2708, "BCM2708")
|
|
+ /* Maintainer: Broadcom Europe Ltd. */
|
|
+ .map_io = bcm2708_map_io,
|
|
+ .init_irq = bcm2708_init_irq,
|
|
+ .init_time = bcm2708_timer_init,
|
|
+ .init_machine = bcm2708_init,
|
|
+ .init_early = bcm2708_init_early,
|
|
+ .reserve = board_reserve,
|
|
+ .restart = bcm2708_restart,
|
|
+MACHINE_END
|
|
+
|
|
+module_param(boardrev, uint, 0644);
|
|
+module_param(serial, uint, 0644);
|
|
+module_param(uart_clock, uint, 0644);
|
|
+module_param(disk_led_gpio, uint, 0644);
|
|
+module_param(disk_led_active_low, uint, 0644);
|
|
+module_param(reboot_part, uint, 0644);
|
|
--- /dev/null
|
|
+++ b/arch/arm/mach-bcm2708/bcm2708.h
|
|
@@ -0,0 +1,49 @@
|
|
+/*
|
|
+ * linux/arch/arm/mach-bcm2708/bcm2708.h
|
|
+ *
|
|
+ * BCM2708 machine support header
|
|
+ *
|
|
+ * Copyright (C) 2010 Broadcom
|
|
+ *
|
|
+ * This program is free software; you can redistribute it and/or modify
|
|
+ * it under the terms of the GNU General Public License as published by
|
|
+ * the Free Software Foundation; either version 2 of the License, or
|
|
+ * (at your option) any later version.
|
|
+ *
|
|
+ * This program is distributed in the hope that it will be useful,
|
|
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
+ * GNU General Public License for more details.
|
|
+ *
|
|
+ * You should have received a copy of the GNU General Public License
|
|
+ * along with this program; if not, write to the Free Software
|
|
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
+ */
|
|
+
|
|
+#ifndef __BCM2708_BCM2708_H
|
|
+#define __BCM2708_BCM2708_H
|
|
+
|
|
+#include <linux/amba/bus.h>
|
|
+
|
|
+extern void __init bcm2708_init(void);
|
|
+extern void __init bcm2708_init_irq(void);
|
|
+extern void __init bcm2708_map_io(void);
|
|
+extern struct sys_timer bcm2708_timer;
|
|
+extern unsigned int mmc_status(struct device *dev);
|
|
+
|
|
+#define AMBA_DEVICE(name, busid, base, plat) \
|
|
+static struct amba_device name##_device = { \
|
|
+ .dev = { \
|
|
+ .coherent_dma_mask = ~0, \
|
|
+ .init_name = busid, \
|
|
+ .platform_data = plat, \
|
|
+ }, \
|
|
+ .res = { \
|
|
+ .start = base##_BASE, \
|
|
+ .end = (base##_BASE) + SZ_4K - 1,\
|
|
+ .flags = IORESOURCE_MEM, \
|
|
+ }, \
|
|
+ .irq = base##_IRQ, \
|
|
+}
|
|
+
|
|
+#endif
|
|
--- /dev/null
|
|
+++ b/arch/arm/mach-bcm2708/clock.c
|
|
@@ -0,0 +1,61 @@
|
|
+/*
|
|
+ * linux/arch/arm/mach-bcm2708/clock.c
|
|
+ *
|
|
+ * Copyright (C) 2010 Broadcom
|
|
+ *
|
|
+ * This program is free software; you can redistribute it and/or modify
|
|
+ * it under the terms of the GNU General Public License as published by
|
|
+ * the Free Software Foundation; either version 2 of the License, or
|
|
+ * (at your option) any later version.
|
|
+ *
|
|
+ * This program is distributed in the hope that it will be useful,
|
|
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
+ * GNU General Public License for more details.
|
|
+ *
|
|
+ * You should have received a copy of the GNU General Public License
|
|
+ * along with this program; if not, write to the Free Software
|
|
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
+ */
|
|
+#include <linux/module.h>
|
|
+#include <linux/kernel.h>
|
|
+#include <linux/device.h>
|
|
+#include <linux/list.h>
|
|
+#include <linux/errno.h>
|
|
+#include <linux/err.h>
|
|
+#include <linux/string.h>
|
|
+#include <linux/clk.h>
|
|
+#include <linux/mutex.h>
|
|
+
|
|
+#include <asm/clkdev.h>
|
|
+
|
|
+#include "clock.h"
|
|
+
|
|
+int clk_enable(struct clk *clk)
|
|
+{
|
|
+ return 0;
|
|
+}
|
|
+EXPORT_SYMBOL(clk_enable);
|
|
+
|
|
+void clk_disable(struct clk *clk)
|
|
+{
|
|
+}
|
|
+EXPORT_SYMBOL(clk_disable);
|
|
+
|
|
+unsigned long clk_get_rate(struct clk *clk)
|
|
+{
|
|
+ return clk->rate;
|
|
+}
|
|
+EXPORT_SYMBOL(clk_get_rate);
|
|
+
|
|
+long clk_round_rate(struct clk *clk, unsigned long rate)
|
|
+{
|
|
+ return clk->rate;
|
|
+}
|
|
+EXPORT_SYMBOL(clk_round_rate);
|
|
+
|
|
+int clk_set_rate(struct clk *clk, unsigned long rate)
|
|
+{
|
|
+ return -EIO;
|
|
+}
|
|
+EXPORT_SYMBOL(clk_set_rate);
|
|
--- /dev/null
|
|
+++ b/arch/arm/mach-bcm2708/clock.h
|
|
@@ -0,0 +1,24 @@
|
|
+/*
|
|
+ * linux/arch/arm/mach-bcm2708/clock.h
|
|
+ *
|
|
+ * Copyright (C) 2010 Broadcom
|
|
+ *
|
|
+ * This program is free software; you can redistribute it and/or modify
|
|
+ * it under the terms of the GNU General Public License as published by
|
|
+ * the Free Software Foundation; either version 2 of the License, or
|
|
+ * (at your option) any later version.
|
|
+ *
|
|
+ * This program is distributed in the hope that it will be useful,
|
|
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
+ * GNU General Public License for more details.
|
|
+ *
|
|
+ * You should have received a copy of the GNU General Public License
|
|
+ * along with this program; if not, write to the Free Software
|
|
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
+ */
|
|
+struct module;
|
|
+
|
|
+struct clk {
|
|
+ unsigned long rate;
|
|
+};
|
|
--- /dev/null
|
|
+++ b/arch/arm/mach-bcm2708/dma.c
|
|
@@ -0,0 +1,399 @@
|
|
+/*
|
|
+ * linux/arch/arm/mach-bcm2708/dma.c
|
|
+ *
|
|
+ * Copyright (C) 2010 Broadcom
|
|
+ *
|
|
+ * This program is free software; you can redistribute it and/or modify
|
|
+ * it under the terms of the GNU General Public License version 2 as
|
|
+ * published by the Free Software Foundation.
|
|
+ */
|
|
+
|
|
+#include <linux/slab.h>
|
|
+#include <linux/device.h>
|
|
+#include <linux/platform_device.h>
|
|
+#include <linux/module.h>
|
|
+#include <linux/scatterlist.h>
|
|
+
|
|
+#include <mach/dma.h>
|
|
+#include <mach/irqs.h>
|
|
+
|
|
+/*****************************************************************************\
|
|
+ * *
|
|
+ * Configuration *
|
|
+ * *
|
|
+\*****************************************************************************/
|
|
+
|
|
+#define CACHE_LINE_MASK 31
|
|
+#define DRIVER_NAME BCM_DMAMAN_DRIVER_NAME
|
|
+#define DEFAULT_DMACHAN_BITMAP 0x10 /* channel 4 only */
|
|
+
|
|
+/* valid only for channels 0 - 14, 15 has its own base address */
|
|
+#define BCM2708_DMA_CHAN(n) ((n)<<8) /* base address */
|
|
+#define BCM2708_DMA_CHANIO(dma_base, n) \
|
|
+ ((void __iomem *)((char *)(dma_base)+BCM2708_DMA_CHAN(n)))
|
|
+
|
|
+
|
|
+/*****************************************************************************\
|
|
+ * *
|
|
+ * DMA Auxilliary Functions *
|
|
+ * *
|
|
+\*****************************************************************************/
|
|
+
|
|
+/* A DMA buffer on an arbitrary boundary may separate a cache line into a
|
|
+ section inside the DMA buffer and another section outside it.
|
|
+ Even if we flush DMA buffers from the cache there is always the chance that
|
|
+ during a DMA someone will access the part of a cache line that is outside
|
|
+ the DMA buffer - which will then bring in unwelcome data.
|
|
+ Without being able to dictate our own buffer pools we must insist that
|
|
+ DMA buffers consist of a whole number of cache lines.
|
|
+*/
|
|
+
|
|
+extern int
|
|
+bcm_sg_suitable_for_dma(struct scatterlist *sg_ptr, int sg_len)
|
|
+{
|
|
+ int i;
|
|
+
|
|
+ for (i = 0; i < sg_len; i++) {
|
|
+ if (sg_ptr[i].offset & CACHE_LINE_MASK ||
|
|
+ sg_ptr[i].length & CACHE_LINE_MASK)
|
|
+ return 0;
|
|
+ }
|
|
+
|
|
+ return 1;
|
|
+}
|
|
+EXPORT_SYMBOL_GPL(bcm_sg_suitable_for_dma);
|
|
+
|
|
+extern void
|
|
+bcm_dma_start(void __iomem *dma_chan_base, dma_addr_t control_block)
|
|
+{
|
|
+ dsb(); /* ARM data synchronization (push) operation */
|
|
+
|
|
+ writel(control_block, dma_chan_base + BCM2708_DMA_ADDR);
|
|
+ writel(BCM2708_DMA_ACTIVE, dma_chan_base + BCM2708_DMA_CS);
|
|
+}
|
|
+
|
|
+extern void bcm_dma_wait_idle(void __iomem *dma_chan_base)
|
|
+{
|
|
+ dsb();
|
|
+
|
|
+ /* ugly busy wait only option for now */
|
|
+ while (readl(dma_chan_base + BCM2708_DMA_CS) & BCM2708_DMA_ACTIVE)
|
|
+ cpu_relax();
|
|
+}
|
|
+
|
|
+EXPORT_SYMBOL_GPL(bcm_dma_start);
|
|
+
|
|
+/* Complete an ongoing DMA (assuming its results are to be ignored)
|
|
+ Does nothing if there is no DMA in progress.
|
|
+ This routine waits for the current AXI transfer to complete before
|
|
+ terminating the current DMA. If the current transfer is hung on a DREQ used
|
|
+ by an uncooperative peripheral the AXI transfer may never complete. In this
|
|
+ case the routine times out and return a non-zero error code.
|
|
+ Use of this routine doesn't guarantee that the ongoing or aborted DMA
|
|
+ does not produce an interrupt.
|
|
+*/
|
|
+extern int
|
|
+bcm_dma_abort(void __iomem *dma_chan_base)
|
|
+{
|
|
+ unsigned long int cs;
|
|
+ int rc = 0;
|
|
+
|
|
+ cs = readl(dma_chan_base + BCM2708_DMA_CS);
|
|
+
|
|
+ if (BCM2708_DMA_ACTIVE & cs) {
|
|
+ long int timeout = 10000;
|
|
+
|
|
+ /* write 0 to the active bit - pause the DMA */
|
|
+ writel(0, dma_chan_base + BCM2708_DMA_CS);
|
|
+
|
|
+ /* wait for any current AXI transfer to complete */
|
|
+ while (0 != (cs & BCM2708_DMA_ISPAUSED) && --timeout >= 0)
|
|
+ cs = readl(dma_chan_base + BCM2708_DMA_CS);
|
|
+
|
|
+ if (0 != (cs & BCM2708_DMA_ISPAUSED)) {
|
|
+ /* we'll un-pause when we set of our next DMA */
|
|
+ rc = -ETIMEDOUT;
|
|
+
|
|
+ } else if (BCM2708_DMA_ACTIVE & cs) {
|
|
+ /* terminate the control block chain */
|
|
+ writel(0, dma_chan_base + BCM2708_DMA_NEXTCB);
|
|
+
|
|
+ /* abort the whole DMA */
|
|
+ writel(BCM2708_DMA_ABORT | BCM2708_DMA_ACTIVE,
|
|
+ dma_chan_base + BCM2708_DMA_CS);
|
|
+ }
|
|
+ }
|
|
+
|
|
+ return rc;
|
|
+}
|
|
+EXPORT_SYMBOL_GPL(bcm_dma_abort);
|
|
+
|
|
+
|
|
+/***************************************************************************** \
|
|
+ * *
|
|
+ * DMA Manager Device Methods *
|
|
+ * *
|
|
+\*****************************************************************************/
|
|
+
|
|
+struct vc_dmaman {
|
|
+ void __iomem *dma_base;
|
|
+ u32 chan_available; /* bitmap of available channels */
|
|
+ u32 has_feature[BCM_DMA_FEATURE_COUNT]; /* bitmap of feature presence */
|
|
+};
|
|
+
|
|
+static void vc_dmaman_init(struct vc_dmaman *dmaman, void __iomem *dma_base,
|
|
+ u32 chans_available)
|
|
+{
|
|
+ dmaman->dma_base = dma_base;
|
|
+ dmaman->chan_available = chans_available;
|
|
+ dmaman->has_feature[BCM_DMA_FEATURE_FAST_ORD] = 0x0c; /* chans 2 & 3 */
|
|
+ dmaman->has_feature[BCM_DMA_FEATURE_BULK_ORD] = 0x01; /* chan 0 */
|
|
+}
|
|
+
|
|
+static int vc_dmaman_chan_alloc(struct vc_dmaman *dmaman,
|
|
+ unsigned preferred_feature_set)
|
|
+{
|
|
+ u32 chans;
|
|
+ int feature;
|
|
+
|
|
+ chans = dmaman->chan_available;
|
|
+ for (feature = 0; feature < BCM_DMA_FEATURE_COUNT; feature++)
|
|
+ /* select the subset of available channels with the desired
|
|
+ feature so long as some of the candidate channels have that
|
|
+ feature */
|
|
+ if ((preferred_feature_set & (1 << feature)) &&
|
|
+ (chans & dmaman->has_feature[feature]))
|
|
+ chans &= dmaman->has_feature[feature];
|
|
+
|
|
+ if (chans) {
|
|
+ int chan = 0;
|
|
+ /* return the ordinal of the first channel in the bitmap */
|
|
+ while (chans != 0 && (chans & 1) == 0) {
|
|
+ chans >>= 1;
|
|
+ chan++;
|
|
+ }
|
|
+ /* claim the channel */
|
|
+ dmaman->chan_available &= ~(1 << chan);
|
|
+ return chan;
|
|
+ } else
|
|
+ return -ENOMEM;
|
|
+}
|
|
+
|
|
+static int vc_dmaman_chan_free(struct vc_dmaman *dmaman, int chan)
|
|
+{
|
|
+ if (chan < 0)
|
|
+ return -EINVAL;
|
|
+ else if ((1 << chan) & dmaman->chan_available)
|
|
+ return -EIDRM;
|
|
+ else {
|
|
+ dmaman->chan_available |= (1 << chan);
|
|
+ return 0;
|
|
+ }
|
|
+}
|
|
+
|
|
+/*****************************************************************************\
|
|
+ * *
|
|
+ * DMA IRQs *
|
|
+ * *
|
|
+\*****************************************************************************/
|
|
+
|
|
+static unsigned char bcm_dma_irqs[] = {
|
|
+ IRQ_DMA0,
|
|
+ IRQ_DMA1,
|
|
+ IRQ_DMA2,
|
|
+ IRQ_DMA3,
|
|
+ IRQ_DMA4,
|
|
+ IRQ_DMA5,
|
|
+ IRQ_DMA6,
|
|
+ IRQ_DMA7,
|
|
+ IRQ_DMA8,
|
|
+ IRQ_DMA9,
|
|
+ IRQ_DMA10,
|
|
+ IRQ_DMA11,
|
|
+ IRQ_DMA12
|
|
+};
|
|
+
|
|
+
|
|
+/***************************************************************************** \
|
|
+ * *
|
|
+ * DMA Manager Monitor *
|
|
+ * *
|
|
+\*****************************************************************************/
|
|
+
|
|
+static struct device *dmaman_dev; /* we assume there's only one! */
|
|
+
|
|
+extern int bcm_dma_chan_alloc(unsigned preferred_feature_set,
|
|
+ void __iomem **out_dma_base, int *out_dma_irq)
|
|
+{
|
|
+ if (!dmaman_dev)
|
|
+ return -ENODEV;
|
|
+ else {
|
|
+ struct vc_dmaman *dmaman = dev_get_drvdata(dmaman_dev);
|
|
+ int rc;
|
|
+
|
|
+ device_lock(dmaman_dev);
|
|
+ rc = vc_dmaman_chan_alloc(dmaman, preferred_feature_set);
|
|
+ if (rc >= 0) {
|
|
+ *out_dma_base = BCM2708_DMA_CHANIO(dmaman->dma_base,
|
|
+ rc);
|
|
+ *out_dma_irq = bcm_dma_irqs[rc];
|
|
+ }
|
|
+ device_unlock(dmaman_dev);
|
|
+
|
|
+ return rc;
|
|
+ }
|
|
+}
|
|
+EXPORT_SYMBOL_GPL(bcm_dma_chan_alloc);
|
|
+
|
|
+extern int bcm_dma_chan_free(int channel)
|
|
+{
|
|
+ if (dmaman_dev) {
|
|
+ struct vc_dmaman *dmaman = dev_get_drvdata(dmaman_dev);
|
|
+ int rc;
|
|
+
|
|
+ device_lock(dmaman_dev);
|
|
+ rc = vc_dmaman_chan_free(dmaman, channel);
|
|
+ device_unlock(dmaman_dev);
|
|
+
|
|
+ return rc;
|
|
+ } else
|
|
+ return -ENODEV;
|
|
+}
|
|
+EXPORT_SYMBOL_GPL(bcm_dma_chan_free);
|
|
+
|
|
+static int dev_dmaman_register(const char *dev_name, struct device *dev)
|
|
+{
|
|
+ int rc = dmaman_dev ? -EINVAL : 0;
|
|
+ dmaman_dev = dev;
|
|
+ return rc;
|
|
+}
|
|
+
|
|
+static void dev_dmaman_deregister(const char *dev_name, struct device *dev)
|
|
+{
|
|
+ dmaman_dev = NULL;
|
|
+}
|
|
+
|
|
+/*****************************************************************************\
|
|
+ * *
|
|
+ * DMA Device *
|
|
+ * *
|
|
+\*****************************************************************************/
|
|
+
|
|
+static int dmachans = -1; /* module parameter */
|
|
+
|
|
+static int bcm_dmaman_probe(struct platform_device *pdev)
|
|
+{
|
|
+ int ret = 0;
|
|
+ struct vc_dmaman *dmaman;
|
|
+ struct resource *dma_res = NULL;
|
|
+ void __iomem *dma_base = NULL;
|
|
+ int have_dma_region = 0;
|
|
+
|
|
+ dmaman = kzalloc(sizeof(*dmaman), GFP_KERNEL);
|
|
+ if (NULL == dmaman) {
|
|
+ printk(KERN_ERR DRIVER_NAME ": failed to allocate "
|
|
+ "DMA management memory\n");
|
|
+ ret = -ENOMEM;
|
|
+ } else {
|
|
+
|
|
+ dma_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
|
|
+ if (dma_res == NULL) {
|
|
+ printk(KERN_ERR DRIVER_NAME ": failed to obtain memory "
|
|
+ "resource\n");
|
|
+ ret = -ENODEV;
|
|
+ } else if (!request_mem_region(dma_res->start,
|
|
+ resource_size(dma_res),
|
|
+ DRIVER_NAME)) {
|
|
+ dev_err(&pdev->dev, "cannot obtain DMA region\n");
|
|
+ ret = -EBUSY;
|
|
+ } else {
|
|
+ have_dma_region = 1;
|
|
+ dma_base = ioremap(dma_res->start,
|
|
+ resource_size(dma_res));
|
|
+ if (!dma_base) {
|
|
+ dev_err(&pdev->dev, "cannot map DMA region\n");
|
|
+ ret = -ENOMEM;
|
|
+ } else {
|
|
+ /* use module parameter if one was provided */
|
|
+ if (dmachans > 0)
|
|
+ vc_dmaman_init(dmaman, dma_base,
|
|
+ dmachans);
|
|
+ else
|
|
+ vc_dmaman_init(dmaman, dma_base,
|
|
+ DEFAULT_DMACHAN_BITMAP);
|
|
+
|
|
+ platform_set_drvdata(pdev, dmaman);
|
|
+ dev_dmaman_register(DRIVER_NAME, &pdev->dev);
|
|
+
|
|
+ printk(KERN_INFO DRIVER_NAME ": DMA manager "
|
|
+ "at %p\n", dma_base);
|
|
+ }
|
|
+ }
|
|
+ }
|
|
+ if (ret != 0) {
|
|
+ if (dma_base)
|
|
+ iounmap(dma_base);
|
|
+ if (dma_res && have_dma_region)
|
|
+ release_mem_region(dma_res->start,
|
|
+ resource_size(dma_res));
|
|
+ if (dmaman)
|
|
+ kfree(dmaman);
|
|
+ }
|
|
+ return ret;
|
|
+}
|
|
+
|
|
+static int bcm_dmaman_remove(struct platform_device *pdev)
|
|
+{
|
|
+ struct vc_dmaman *dmaman = platform_get_drvdata(pdev);
|
|
+
|
|
+ platform_set_drvdata(pdev, NULL);
|
|
+ dev_dmaman_deregister(DRIVER_NAME, &pdev->dev);
|
|
+ kfree(dmaman);
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static struct platform_driver bcm_dmaman_driver = {
|
|
+ .probe = bcm_dmaman_probe,
|
|
+ .remove = bcm_dmaman_remove,
|
|
+
|
|
+ .driver = {
|
|
+ .name = DRIVER_NAME,
|
|
+ .owner = THIS_MODULE,
|
|
+ },
|
|
+};
|
|
+
|
|
+/*****************************************************************************\
|
|
+ * *
|
|
+ * Driver init/exit *
|
|
+ * *
|
|
+\*****************************************************************************/
|
|
+
|
|
+static int __init bcm_dmaman_drv_init(void)
|
|
+{
|
|
+ int ret;
|
|
+
|
|
+ ret = platform_driver_register(&bcm_dmaman_driver);
|
|
+ if (ret != 0) {
|
|
+ printk(KERN_ERR DRIVER_NAME ": failed to register "
|
|
+ "on platform\n");
|
|
+ }
|
|
+
|
|
+ return ret;
|
|
+}
|
|
+
|
|
+static void __exit bcm_dmaman_drv_exit(void)
|
|
+{
|
|
+ platform_driver_unregister(&bcm_dmaman_driver);
|
|
+}
|
|
+
|
|
+module_init(bcm_dmaman_drv_init);
|
|
+module_exit(bcm_dmaman_drv_exit);
|
|
+
|
|
+module_param(dmachans, int, 0644);
|
|
+
|
|
+MODULE_AUTHOR("Gray Girling <grayg@broadcom.com>");
|
|
+MODULE_DESCRIPTION("DMA channel manager driver");
|
|
+MODULE_LICENSE("GPL");
|
|
+
|
|
+MODULE_PARM_DESC(dmachans, "Bitmap of DMA channels available to the ARM");
|
|
--- /dev/null
|
|
+++ b/arch/arm/mach-bcm2708/include/mach/arm_control.h
|
|
@@ -0,0 +1,419 @@
|
|
+/*
|
|
+ * linux/arch/arm/mach-bcm2708/arm_control.h
|
|
+ *
|
|
+ * Copyright (C) 2010 Broadcom
|
|
+ *
|
|
+ * This program is free software; you can redistribute it and/or modify
|
|
+ * it under the terms of the GNU General Public License as published by
|
|
+ * the Free Software Foundation; either version 2 of the License, or
|
|
+ * (at your option) any later version.
|
|
+ *
|
|
+ * This program is distributed in the hope that it will be useful,
|
|
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
+ * GNU General Public License for more details.
|
|
+ *
|
|
+ * You should have received a copy of the GNU General Public License
|
|
+ * along with this program; if not, write to the Free Software
|
|
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
+ */
|
|
+
|
|
+#ifndef __BCM2708_ARM_CONTROL_H
|
|
+#define __BCM2708_ARM_CONTROL_H
|
|
+
|
|
+/*
|
|
+ * Definitions and addresses for the ARM CONTROL logic
|
|
+ * This file is manually generated.
|
|
+ */
|
|
+
|
|
+#define ARM_BASE 0x7E00B000
|
|
+
|
|
+/* Basic configuration */
|
|
+#define ARM_CONTROL0 HW_REGISTER_RW(ARM_BASE+0x000)
|
|
+#define ARM_C0_SIZ128M 0x00000000
|
|
+#define ARM_C0_SIZ256M 0x00000001
|
|
+#define ARM_C0_SIZ512M 0x00000002
|
|
+#define ARM_C0_SIZ1G 0x00000003
|
|
+#define ARM_C0_BRESP0 0x00000000
|
|
+#define ARM_C0_BRESP1 0x00000004
|
|
+#define ARM_C0_BRESP2 0x00000008
|
|
+#define ARM_C0_BOOTHI 0x00000010
|
|
+#define ARM_C0_UNUSED05 0x00000020 /* free */
|
|
+#define ARM_C0_FULLPERI 0x00000040
|
|
+#define ARM_C0_UNUSED78 0x00000180 /* free */
|
|
+#define ARM_C0_JTAGMASK 0x00000E00
|
|
+#define ARM_C0_JTAGOFF 0x00000000
|
|
+#define ARM_C0_JTAGBASH 0x00000800 /* Debug on GPIO off */
|
|
+#define ARM_C0_JTAGGPIO 0x00000C00 /* Debug on GPIO on */
|
|
+#define ARM_C0_APROTMSK 0x0000F000
|
|
+#define ARM_C0_DBG0SYNC 0x00010000 /* VPU0 halt sync */
|
|
+#define ARM_C0_DBG1SYNC 0x00020000 /* VPU1 halt sync */
|
|
+#define ARM_C0_SWDBGREQ 0x00040000 /* HW debug request */
|
|
+#define ARM_C0_PASSHALT 0x00080000 /* ARM halt passed to debugger */
|
|
+#define ARM_C0_PRIO_PER 0x00F00000 /* per priority mask */
|
|
+#define ARM_C0_PRIO_L2 0x0F000000
|
|
+#define ARM_C0_PRIO_UC 0xF0000000
|
|
+
|
|
+#define ARM_C0_APROTPASS 0x0000A000 /* Translate 1:1 */
|
|
+#define ARM_C0_APROTUSER 0x00000000 /* Only user mode */
|
|
+#define ARM_C0_APROTSYST 0x0000F000 /* Only system mode */
|
|
+
|
|
+
|
|
+#define ARM_CONTROL1 HW_REGISTER_RW(ARM_BASE+0x440)
|
|
+#define ARM_C1_TIMER 0x00000001 /* re-route timer IRQ to VC */
|
|
+#define ARM_C1_MAIL 0x00000002 /* re-route Mail IRQ to VC */
|
|
+#define ARM_C1_BELL0 0x00000004 /* re-route Doorbell 0 to VC */
|
|
+#define ARM_C1_BELL1 0x00000008 /* re-route Doorbell 1 to VC */
|
|
+#define ARM_C1_PERSON 0x00000100 /* peripherals on */
|
|
+#define ARM_C1_REQSTOP 0x00000200 /* ASYNC bridge request stop */
|
|
+
|
|
+#define ARM_STATUS HW_REGISTER_RW(ARM_BASE+0x444)
|
|
+#define ARM_S_ACKSTOP 0x80000000 /* Bridge stopped */
|
|
+#define ARM_S_READPEND 0x000003FF /* pending reads counter */
|
|
+#define ARM_S_WRITPEND 0x000FFC00 /* pending writes counter */
|
|
+
|
|
+#define ARM_ERRHALT HW_REGISTER_RW(ARM_BASE+0x448)
|
|
+#define ARM_EH_PERIBURST 0x00000001 /* Burst write seen on peri bus */
|
|
+#define ARM_EH_ILLADDRS1 0x00000002 /* Address bits 25-27 error */
|
|
+#define ARM_EH_ILLADDRS2 0x00000004 /* Address bits 31-28 error */
|
|
+#define ARM_EH_VPU0HALT 0x00000008 /* VPU0 halted & in debug mode */
|
|
+#define ARM_EH_VPU1HALT 0x00000010 /* VPU1 halted & in debug mode */
|
|
+#define ARM_EH_ARMHALT 0x00000020 /* ARM in halted debug mode */
|
|
+
|
|
+#define ARM_ID_SECURE HW_REGISTER_RW(ARM_BASE+0x00C)
|
|
+#define ARM_ID HW_REGISTER_RW(ARM_BASE+0x44C)
|
|
+#define ARM_IDVAL 0x364D5241
|
|
+
|
|
+/* Translation memory */
|
|
+#define ARM_TRANSLATE HW_REGISTER_RW(ARM_BASE+0x100)
|
|
+/* 32 locations: 0x100.. 0x17F */
|
|
+/* 32 spare means we CAN go to 64 pages.... */
|
|
+
|
|
+
|
|
+/* Interrupts */
|
|
+#define ARM_IRQ_PEND0 HW_REGISTER_RW(ARM_BASE+0x200) /* Top IRQ bits */
|
|
+#define ARM_I0_TIMER 0x00000001 /* timer IRQ */
|
|
+#define ARM_I0_MAIL 0x00000002 /* Mail IRQ */
|
|
+#define ARM_I0_BELL0 0x00000004 /* Doorbell 0 */
|
|
+#define ARM_I0_BELL1 0x00000008 /* Doorbell 1 */
|
|
+#define ARM_I0_BANK1 0x00000100 /* Bank1 IRQ */
|
|
+#define ARM_I0_BANK2 0x00000200 /* Bank2 IRQ */
|
|
+
|
|
+#define ARM_IRQ_PEND1 HW_REGISTER_RW(ARM_BASE+0x204) /* All bank1 IRQ bits */
|
|
+/* todo: all I1_interrupt sources */
|
|
+#define ARM_IRQ_PEND2 HW_REGISTER_RW(ARM_BASE+0x208) /* All bank2 IRQ bits */
|
|
+/* todo: all I2_interrupt sources */
|
|
+
|
|
+#define ARM_IRQ_FAST HW_REGISTER_RW(ARM_BASE+0x20C) /* FIQ control */
|
|
+#define ARM_IF_INDEX 0x0000007F /* FIQ select */
|
|
+#define ARM_IF_ENABLE 0x00000080 /* FIQ enable */
|
|
+#define ARM_IF_VCMASK 0x0000003F /* FIQ = (index from VC source) */
|
|
+#define ARM_IF_TIMER 0x00000040 /* FIQ = ARM timer */
|
|
+#define ARM_IF_MAIL 0x00000041 /* FIQ = ARM Mail */
|
|
+#define ARM_IF_BELL0 0x00000042 /* FIQ = ARM Doorbell 0 */
|
|
+#define ARM_IF_BELL1 0x00000043 /* FIQ = ARM Doorbell 1 */
|
|
+#define ARM_IF_VP0HALT 0x00000044 /* FIQ = VPU0 Halt seen */
|
|
+#define ARM_IF_VP1HALT 0x00000045 /* FIQ = VPU1 Halt seen */
|
|
+#define ARM_IF_ILLEGAL 0x00000046 /* FIQ = Illegal access seen */
|
|
+
|
|
+#define ARM_IRQ_ENBL1 HW_REGISTER_RW(ARM_BASE+0x210) /* Bank1 enable bits */
|
|
+#define ARM_IRQ_ENBL2 HW_REGISTER_RW(ARM_BASE+0x214) /* Bank2 enable bits */
|
|
+#define ARM_IRQ_ENBL3 HW_REGISTER_RW(ARM_BASE+0x218) /* ARM irqs enable bits */
|
|
+#define ARM_IRQ_DIBL1 HW_REGISTER_RW(ARM_BASE+0x21C) /* Bank1 disable bits */
|
|
+#define ARM_IRQ_DIBL2 HW_REGISTER_RW(ARM_BASE+0x220) /* Bank2 disable bits */
|
|
+#define ARM_IRQ_DIBL3 HW_REGISTER_RW(ARM_BASE+0x224) /* ARM irqs disable bits */
|
|
+#define ARM_IE_TIMER 0x00000001 /* Timer IRQ */
|
|
+#define ARM_IE_MAIL 0x00000002 /* Mail IRQ */
|
|
+#define ARM_IE_BELL0 0x00000004 /* Doorbell 0 */
|
|
+#define ARM_IE_BELL1 0x00000008 /* Doorbell 1 */
|
|
+#define ARM_IE_VP0HALT 0x00000010 /* VPU0 Halt */
|
|
+#define ARM_IE_VP1HALT 0x00000020 /* VPU1 Halt */
|
|
+#define ARM_IE_ILLEGAL 0x00000040 /* Illegal access seen */
|
|
+
|
|
+/* Timer */
|
|
+/* For reg. fields see sp804 spec. */
|
|
+#define ARM_T_LOAD HW_REGISTER_RW(ARM_BASE+0x400)
|
|
+#define ARM_T_VALUE HW_REGISTER_RW(ARM_BASE+0x404)
|
|
+#define ARM_T_CONTROL HW_REGISTER_RW(ARM_BASE+0x408)
|
|
+#define ARM_T_IRQCNTL HW_REGISTER_RW(ARM_BASE+0x40C)
|
|
+#define ARM_T_RAWIRQ HW_REGISTER_RW(ARM_BASE+0x410)
|
|
+#define ARM_T_MSKIRQ HW_REGISTER_RW(ARM_BASE+0x414)
|
|
+#define ARM_T_RELOAD HW_REGISTER_RW(ARM_BASE+0x418)
|
|
+#define ARM_T_PREDIV HW_REGISTER_RW(ARM_BASE+0x41c)
|
|
+#define ARM_T_FREECNT HW_REGISTER_RW(ARM_BASE+0x420)
|
|
+
|
|
+#define TIMER_CTRL_ONESHOT (1 << 0)
|
|
+#define TIMER_CTRL_32BIT (1 << 1)
|
|
+#define TIMER_CTRL_DIV1 (0 << 2)
|
|
+#define TIMER_CTRL_DIV16 (1 << 2)
|
|
+#define TIMER_CTRL_DIV256 (2 << 2)
|
|
+#define TIMER_CTRL_IE (1 << 5)
|
|
+#define TIMER_CTRL_PERIODIC (1 << 6)
|
|
+#define TIMER_CTRL_ENABLE (1 << 7)
|
|
+#define TIMER_CTRL_DBGHALT (1 << 8)
|
|
+#define TIMER_CTRL_ENAFREE (1 << 9)
|
|
+#define TIMER_CTRL_FREEDIV_SHIFT 16)
|
|
+#define TIMER_CTRL_FREEDIV_MASK 0xff
|
|
+
|
|
+/* Semaphores, Doorbells, Mailboxes */
|
|
+#define ARM_SBM_OWN0 (ARM_BASE+0x800)
|
|
+#define ARM_SBM_OWN1 (ARM_BASE+0x900)
|
|
+#define ARM_SBM_OWN2 (ARM_BASE+0xA00)
|
|
+#define ARM_SBM_OWN3 (ARM_BASE+0xB00)
|
|
+
|
|
+/* MAILBOXES
|
|
+ * Register flags are common across all
|
|
+ * owner registers. See end of this section
|
|
+ *
|
|
+ * Semaphores, Doorbells, Mailboxes Owner 0
|
|
+ *
|
|
+ */
|
|
+
|
|
+#define ARM_0_SEMS HW_REGISTER_RW(ARM_SBM_OWN0+0x00)
|
|
+#define ARM_0_SEM0 HW_REGISTER_RW(ARM_SBM_OWN0+0x00)
|
|
+#define ARM_0_SEM1 HW_REGISTER_RW(ARM_SBM_OWN0+0x04)
|
|
+#define ARM_0_SEM2 HW_REGISTER_RW(ARM_SBM_OWN0+0x08)
|
|
+#define ARM_0_SEM3 HW_REGISTER_RW(ARM_SBM_OWN0+0x0C)
|
|
+#define ARM_0_SEM4 HW_REGISTER_RW(ARM_SBM_OWN0+0x10)
|
|
+#define ARM_0_SEM5 HW_REGISTER_RW(ARM_SBM_OWN0+0x14)
|
|
+#define ARM_0_SEM6 HW_REGISTER_RW(ARM_SBM_OWN0+0x18)
|
|
+#define ARM_0_SEM7 HW_REGISTER_RW(ARM_SBM_OWN0+0x1C)
|
|
+#define ARM_0_BELL0 HW_REGISTER_RW(ARM_SBM_OWN0+0x40)
|
|
+#define ARM_0_BELL1 HW_REGISTER_RW(ARM_SBM_OWN0+0x44)
|
|
+#define ARM_0_BELL2 HW_REGISTER_RW(ARM_SBM_OWN0+0x48)
|
|
+#define ARM_0_BELL3 HW_REGISTER_RW(ARM_SBM_OWN0+0x4C)
|
|
+/* MAILBOX 0 access in Owner 0 area */
|
|
+/* Some addresses should ONLY be used by owner 0 */
|
|
+#define ARM_0_MAIL0_WRT HW_REGISTER_RW(ARM_SBM_OWN0+0x80) /* .. 0x8C (4 locations) */
|
|
+#define ARM_0_MAIL0_RD HW_REGISTER_RW(ARM_SBM_OWN0+0x80) /* .. 0x8C (4 locations) Normal read */
|
|
+#define ARM_0_MAIL0_POL HW_REGISTER_RW(ARM_SBM_OWN0+0x90) /* none-pop read */
|
|
+#define ARM_0_MAIL0_SND HW_REGISTER_RW(ARM_SBM_OWN0+0x94) /* Sender read (only LS 2 bits) */
|
|
+#define ARM_0_MAIL0_STA HW_REGISTER_RW(ARM_SBM_OWN0+0x98) /* Status read */
|
|
+#define ARM_0_MAIL0_CNF HW_REGISTER_RW(ARM_SBM_OWN0+0x9C) /* Config read/write */
|
|
+/* MAILBOX 1 access in Owner 0 area */
|
|
+/* Owner 0 should only WRITE to this mailbox */
|
|
+#define ARM_0_MAIL1_WRT HW_REGISTER_RW(ARM_SBM_OWN0+0xA0) /* .. 0xAC (4 locations) */
|
|
+/*#define ARM_0_MAIL1_RD HW_REGISTER_RW(ARM_SBM_OWN0+0xA0) */ /* DO NOT USE THIS !!!!! */
|
|
+/*#define ARM_0_MAIL1_POL HW_REGISTER_RW(ARM_SBM_OWN0+0xB0) */ /* DO NOT USE THIS !!!!! */
|
|
+/*#define ARM_0_MAIL1_SND HW_REGISTER_RW(ARM_SBM_OWN0+0xB4) */ /* DO NOT USE THIS !!!!! */
|
|
+#define ARM_0_MAIL1_STA HW_REGISTER_RW(ARM_SBM_OWN0+0xB8) /* Status read */
|
|
+/*#define ARM_0_MAIL1_CNF HW_REGISTER_RW(ARM_SBM_OWN0+0xBC) */ /* DO NOT USE THIS !!!!! */
|
|
+/* General SEM, BELL, MAIL config/status */
|
|
+#define ARM_0_SEMCLRDBG HW_REGISTER_RW(ARM_SBM_OWN0+0xE0) /* semaphore clear/debug register */
|
|
+#define ARM_0_BELLCLRDBG HW_REGISTER_RW(ARM_SBM_OWN0+0xE4) /* Doorbells clear/debug register */
|
|
+#define ARM_0_ALL_IRQS HW_REGISTER_RW(ARM_SBM_OWN0+0xF8) /* ALL interrupts */
|
|
+#define ARM_0_MY_IRQS HW_REGISTER_RW(ARM_SBM_OWN0+0xFC) /* IRQS pending for owner 0 */
|
|
+
|
|
+/* Semaphores, Doorbells, Mailboxes Owner 1 */
|
|
+#define ARM_1_SEMS HW_REGISTER_RW(ARM_SBM_OWN1+0x00)
|
|
+#define ARM_1_SEM0 HW_REGISTER_RW(ARM_SBM_OWN1+0x00)
|
|
+#define ARM_1_SEM1 HW_REGISTER_RW(ARM_SBM_OWN1+0x04)
|
|
+#define ARM_1_SEM2 HW_REGISTER_RW(ARM_SBM_OWN1+0x08)
|
|
+#define ARM_1_SEM3 HW_REGISTER_RW(ARM_SBM_OWN1+0x0C)
|
|
+#define ARM_1_SEM4 HW_REGISTER_RW(ARM_SBM_OWN1+0x10)
|
|
+#define ARM_1_SEM5 HW_REGISTER_RW(ARM_SBM_OWN1+0x14)
|
|
+#define ARM_1_SEM6 HW_REGISTER_RW(ARM_SBM_OWN1+0x18)
|
|
+#define ARM_1_SEM7 HW_REGISTER_RW(ARM_SBM_OWN1+0x1C)
|
|
+#define ARM_1_BELL0 HW_REGISTER_RW(ARM_SBM_OWN1+0x40)
|
|
+#define ARM_1_BELL1 HW_REGISTER_RW(ARM_SBM_OWN1+0x44)
|
|
+#define ARM_1_BELL2 HW_REGISTER_RW(ARM_SBM_OWN1+0x48)
|
|
+#define ARM_1_BELL3 HW_REGISTER_RW(ARM_SBM_OWN1+0x4C)
|
|
+/* MAILBOX 0 access in Owner 0 area */
|
|
+/* Owner 1 should only WRITE to this mailbox */
|
|
+#define ARM_1_MAIL0_WRT HW_REGISTER_RW(ARM_SBM_OWN1+0x80) /* .. 0x8C (4 locations) */
|
|
+/*#define ARM_1_MAIL0_RD HW_REGISTER_RW(ARM_SBM_OWN1+0x80) */ /* DO NOT USE THIS !!!!! */
|
|
+/*#define ARM_1_MAIL0_POL HW_REGISTER_RW(ARM_SBM_OWN1+0x90) */ /* DO NOT USE THIS !!!!! */
|
|
+/*#define ARM_1_MAIL0_SND HW_REGISTER_RW(ARM_SBM_OWN1+0x94) */ /* DO NOT USE THIS !!!!! */
|
|
+#define ARM_1_MAIL0_STA HW_REGISTER_RW(ARM_SBM_OWN1+0x98) /* Status read */
|
|
+/*#define ARM_1_MAIL0_CNF HW_REGISTER_RW(ARM_SBM_OWN1+0x9C) */ /* DO NOT USE THIS !!!!! */
|
|
+/* MAILBOX 1 access in Owner 0 area */
|
|
+#define ARM_1_MAIL1_WRT HW_REGISTER_RW(ARM_SBM_OWN1+0xA0) /* .. 0xAC (4 locations) */
|
|
+#define ARM_1_MAIL1_RD HW_REGISTER_RW(ARM_SBM_OWN1+0xA0) /* .. 0xAC (4 locations) Normal read */
|
|
+#define ARM_1_MAIL1_POL HW_REGISTER_RW(ARM_SBM_OWN1+0xB0) /* none-pop read */
|
|
+#define ARM_1_MAIL1_SND HW_REGISTER_RW(ARM_SBM_OWN1+0xB4) /* Sender read (only LS 2 bits) */
|
|
+#define ARM_1_MAIL1_STA HW_REGISTER_RW(ARM_SBM_OWN1+0xB8) /* Status read */
|
|
+#define ARM_1_MAIL1_CNF HW_REGISTER_RW(ARM_SBM_OWN1+0xBC)
|
|
+/* General SEM, BELL, MAIL config/status */
|
|
+#define ARM_1_SEMCLRDBG HW_REGISTER_RW(ARM_SBM_OWN1+0xE0) /* semaphore clear/debug register */
|
|
+#define ARM_1_BELLCLRDBG HW_REGISTER_RW(ARM_SBM_OWN1+0xE4) /* Doorbells clear/debug register */
|
|
+#define ARM_1_MY_IRQS HW_REGISTER_RW(ARM_SBM_OWN1+0xFC) /* IRQS pending for owner 1 */
|
|
+#define ARM_1_ALL_IRQS HW_REGISTER_RW(ARM_SBM_OWN1+0xF8) /* ALL interrupts */
|
|
+
|
|
+/* Semaphores, Doorbells, Mailboxes Owner 2 */
|
|
+#define ARM_2_SEMS HW_REGISTER_RW(ARM_SBM_OWN2+0x00)
|
|
+#define ARM_2_SEM0 HW_REGISTER_RW(ARM_SBM_OWN2+0x00)
|
|
+#define ARM_2_SEM1 HW_REGISTER_RW(ARM_SBM_OWN2+0x04)
|
|
+#define ARM_2_SEM2 HW_REGISTER_RW(ARM_SBM_OWN2+0x08)
|
|
+#define ARM_2_SEM3 HW_REGISTER_RW(ARM_SBM_OWN2+0x0C)
|
|
+#define ARM_2_SEM4 HW_REGISTER_RW(ARM_SBM_OWN2+0x10)
|
|
+#define ARM_2_SEM5 HW_REGISTER_RW(ARM_SBM_OWN2+0x14)
|
|
+#define ARM_2_SEM6 HW_REGISTER_RW(ARM_SBM_OWN2+0x18)
|
|
+#define ARM_2_SEM7 HW_REGISTER_RW(ARM_SBM_OWN2+0x1C)
|
|
+#define ARM_2_BELL0 HW_REGISTER_RW(ARM_SBM_OWN2+0x40)
|
|
+#define ARM_2_BELL1 HW_REGISTER_RW(ARM_SBM_OWN2+0x44)
|
|
+#define ARM_2_BELL2 HW_REGISTER_RW(ARM_SBM_OWN2+0x48)
|
|
+#define ARM_2_BELL3 HW_REGISTER_RW(ARM_SBM_OWN2+0x4C)
|
|
+/* MAILBOX 0 access in Owner 2 area */
|
|
+/* Owner 2 should only WRITE to this mailbox */
|
|
+#define ARM_2_MAIL0_WRT HW_REGISTER_RW(ARM_SBM_OWN2+0x80) /* .. 0x8C (4 locations) */
|
|
+/*#define ARM_2_MAIL0_RD HW_REGISTER_RW(ARM_SBM_OWN2+0x80) */ /* DO NOT USE THIS !!!!! */
|
|
+/*#define ARM_2_MAIL0_POL HW_REGISTER_RW(ARM_SBM_OWN2+0x90) */ /* DO NOT USE THIS !!!!! */
|
|
+/*#define ARM_2_MAIL0_SND HW_REGISTER_RW(ARM_SBM_OWN2+0x94) */ /* DO NOT USE THIS !!!!! */
|
|
+#define ARM_2_MAIL0_STA HW_REGISTER_RW(ARM_SBM_OWN2+0x98) /* Status read */
|
|
+/*#define ARM_2_MAIL0_CNF HW_REGISTER_RW(ARM_SBM_OWN2+0x9C) */ /* DO NOT USE THIS !!!!! */
|
|
+/* MAILBOX 1 access in Owner 2 area */
|
|
+/* Owner 2 should only WRITE to this mailbox */
|
|
+#define ARM_2_MAIL1_WRT HW_REGISTER_RW(ARM_SBM_OWN2+0xA0) /* .. 0xAC (4 locations) */
|
|
+/*#define ARM_2_MAIL1_RD HW_REGISTER_RW(ARM_SBM_OWN2+0xA0) */ /* DO NOT USE THIS !!!!! */
|
|
+/*#define ARM_2_MAIL1_POL HW_REGISTER_RW(ARM_SBM_OWN2+0xB0) */ /* DO NOT USE THIS !!!!! */
|
|
+/*#define ARM_2_MAIL1_SND HW_REGISTER_RW(ARM_SBM_OWN2+0xB4) */ /* DO NOT USE THIS !!!!! */
|
|
+#define ARM_2_MAIL1_STA HW_REGISTER_RW(ARM_SBM_OWN2+0xB8) /* Status read */
|
|
+/*#define ARM_2_MAIL1_CNF HW_REGISTER_RW(ARM_SBM_OWN2+0xBC) */ /* DO NOT USE THIS !!!!! */
|
|
+/* General SEM, BELL, MAIL config/status */
|
|
+#define ARM_2_SEMCLRDBG HW_REGISTER_RW(ARM_SBM_OWN2+0xE0) /* semaphore clear/debug register */
|
|
+#define ARM_2_BELLCLRDBG HW_REGISTER_RW(ARM_SBM_OWN2+0xE4) /* Doorbells clear/debug register */
|
|
+#define ARM_2_MY_IRQS HW_REGISTER_RW(ARM_SBM_OWN2+0xFC) /* IRQS pending for owner 2 */
|
|
+#define ARM_2_ALL_IRQS HW_REGISTER_RW(ARM_SBM_OWN2+0xF8) /* ALL interrupts */
|
|
+
|
|
+/* Semaphores, Doorbells, Mailboxes Owner 3 */
|
|
+#define ARM_3_SEMS HW_REGISTER_RW(ARM_SBM_OWN3+0x00)
|
|
+#define ARM_3_SEM0 HW_REGISTER_RW(ARM_SBM_OWN3+0x00)
|
|
+#define ARM_3_SEM1 HW_REGISTER_RW(ARM_SBM_OWN3+0x04)
|
|
+#define ARM_3_SEM2 HW_REGISTER_RW(ARM_SBM_OWN3+0x08)
|
|
+#define ARM_3_SEM3 HW_REGISTER_RW(ARM_SBM_OWN3+0x0C)
|
|
+#define ARM_3_SEM4 HW_REGISTER_RW(ARM_SBM_OWN3+0x10)
|
|
+#define ARM_3_SEM5 HW_REGISTER_RW(ARM_SBM_OWN3+0x14)
|
|
+#define ARM_3_SEM6 HW_REGISTER_RW(ARM_SBM_OWN3+0x18)
|
|
+#define ARM_3_SEM7 HW_REGISTER_RW(ARM_SBM_OWN3+0x1C)
|
|
+#define ARM_3_BELL0 HW_REGISTER_RW(ARM_SBM_OWN3+0x40)
|
|
+#define ARM_3_BELL1 HW_REGISTER_RW(ARM_SBM_OWN3+0x44)
|
|
+#define ARM_3_BELL2 HW_REGISTER_RW(ARM_SBM_OWN3+0x48)
|
|
+#define ARM_3_BELL3 HW_REGISTER_RW(ARM_SBM_OWN3+0x4C)
|
|
+/* MAILBOX 0 access in Owner 3 area */
|
|
+/* Owner 3 should only WRITE to this mailbox */
|
|
+#define ARM_3_MAIL0_WRT HW_REGISTER_RW(ARM_SBM_OWN3+0x80) /* .. 0x8C (4 locations) */
|
|
+/*#define ARM_3_MAIL0_RD HW_REGISTER_RW(ARM_SBM_OWN3+0x80) */ /* DO NOT USE THIS !!!!! */
|
|
+/*#define ARM_3_MAIL0_POL HW_REGISTER_RW(ARM_SBM_OWN3+0x90) */ /* DO NOT USE THIS !!!!! */
|
|
+/*#define ARM_3_MAIL0_SND HW_REGISTER_RW(ARM_SBM_OWN3+0x94) */ /* DO NOT USE THIS !!!!! */
|
|
+#define ARM_3_MAIL0_STA HW_REGISTER_RW(ARM_SBM_OWN3+0x98) /* Status read */
|
|
+/*#define ARM_3_MAIL0_CNF HW_REGISTER_RW(ARM_SBM_OWN3+0x9C) */ /* DO NOT USE THIS !!!!! */
|
|
+/* MAILBOX 1 access in Owner 3 area */
|
|
+/* Owner 3 should only WRITE to this mailbox */
|
|
+#define ARM_3_MAIL1_WRT HW_REGISTER_RW(ARM_SBM_OWN3+0xA0) /* .. 0xAC (4 locations) */
|
|
+/*#define ARM_3_MAIL1_RD HW_REGISTER_RW(ARM_SBM_OWN3+0xA0) */ /* DO NOT USE THIS !!!!! */
|
|
+/*#define ARM_3_MAIL1_POL HW_REGISTER_RW(ARM_SBM_OWN3+0xB0) */ /* DO NOT USE THIS !!!!! */
|
|
+/*#define ARM_3_MAIL1_SND HW_REGISTER_RW(ARM_SBM_OWN3+0xB4) */ /* DO NOT USE THIS !!!!! */
|
|
+#define ARM_3_MAIL1_STA HW_REGISTER_RW(ARM_SBM_OWN3+0xB8) /* Status read */
|
|
+/*#define ARM_3_MAIL1_CNF HW_REGISTER_RW(ARM_SBM_OWN3+0xBC) */ /* DO NOT USE THIS !!!!! */
|
|
+/* General SEM, BELL, MAIL config/status */
|
|
+#define ARM_3_SEMCLRDBG HW_REGISTER_RW(ARM_SBM_OWN3+0xE0) /* semaphore clear/debug register */
|
|
+#define ARM_3_BELLCLRDBG HW_REGISTER_RW(ARM_SBM_OWN3+0xE4) /* Doorbells clear/debug register */
|
|
+#define ARM_3_MY_IRQS HW_REGISTER_RW(ARM_SBM_OWN3+0xFC) /* IRQS pending for owner 3 */
|
|
+#define ARM_3_ALL_IRQS HW_REGISTER_RW(ARM_SBM_OWN3+0xF8) /* ALL interrupts */
|
|
+
|
|
+
|
|
+
|
|
+/* Mailbox flags. Valid for all owners */
|
|
+
|
|
+/* Mailbox status register (...0x98) */
|
|
+#define ARM_MS_FULL 0x80000000
|
|
+#define ARM_MS_EMPTY 0x40000000
|
|
+#define ARM_MS_LEVEL 0x400000FF /* Max. value depdnds on mailbox depth parameter */
|
|
+
|
|
+/* MAILBOX config/status register (...0x9C) */
|
|
+/* ANY write to this register clears the error bits! */
|
|
+#define ARM_MC_IHAVEDATAIRQEN 0x00000001 /* mailbox irq enable: has data */
|
|
+#define ARM_MC_IHAVESPACEIRQEN 0x00000002 /* mailbox irq enable: has space */
|
|
+#define ARM_MC_OPPISEMPTYIRQEN 0x00000004 /* mailbox irq enable: Opp. is empty */
|
|
+#define ARM_MC_MAIL_CLEAR 0x00000008 /* mailbox clear write 1, then 0 */
|
|
+#define ARM_MC_IHAVEDATAIRQPEND 0x00000010 /* mailbox irq pending: has space */
|
|
+#define ARM_MC_IHAVESPACEIRQPEND 0x00000020 /* mailbox irq pending: Opp. is empty */
|
|
+#define ARM_MC_OPPISEMPTYIRQPEND 0x00000040 /* mailbox irq pending */
|
|
+/* Bit 7 is unused */
|
|
+#define ARM_MC_ERRNOOWN 0x00000100 /* error : none owner read from mailbox */
|
|
+#define ARM_MC_ERROVERFLW 0x00000200 /* error : write to fill mailbox */
|
|
+#define ARM_MC_ERRUNDRFLW 0x00000400 /* error : read from empty mailbox */
|
|
+
|
|
+/* Semaphore clear/debug register (...0xE0) */
|
|
+#define ARM_SD_OWN0 0x00000003 /* Owner of sem 0 */
|
|
+#define ARM_SD_OWN1 0x0000000C /* Owner of sem 1 */
|
|
+#define ARM_SD_OWN2 0x00000030 /* Owner of sem 2 */
|
|
+#define ARM_SD_OWN3 0x000000C0 /* Owner of sem 3 */
|
|
+#define ARM_SD_OWN4 0x00000300 /* Owner of sem 4 */
|
|
+#define ARM_SD_OWN5 0x00000C00 /* Owner of sem 5 */
|
|
+#define ARM_SD_OWN6 0x00003000 /* Owner of sem 6 */
|
|
+#define ARM_SD_OWN7 0x0000C000 /* Owner of sem 7 */
|
|
+#define ARM_SD_SEM0 0x00010000 /* Status of sem 0 */
|
|
+#define ARM_SD_SEM1 0x00020000 /* Status of sem 1 */
|
|
+#define ARM_SD_SEM2 0x00040000 /* Status of sem 2 */
|
|
+#define ARM_SD_SEM3 0x00080000 /* Status of sem 3 */
|
|
+#define ARM_SD_SEM4 0x00100000 /* Status of sem 4 */
|
|
+#define ARM_SD_SEM5 0x00200000 /* Status of sem 5 */
|
|
+#define ARM_SD_SEM6 0x00400000 /* Status of sem 6 */
|
|
+#define ARM_SD_SEM7 0x00800000 /* Status of sem 7 */
|
|
+
|
|
+/* Doorbells clear/debug register (...0xE4) */
|
|
+#define ARM_BD_OWN0 0x00000003 /* Owner of doorbell 0 */
|
|
+#define ARM_BD_OWN1 0x0000000C /* Owner of doorbell 1 */
|
|
+#define ARM_BD_OWN2 0x00000030 /* Owner of doorbell 2 */
|
|
+#define ARM_BD_OWN3 0x000000C0 /* Owner of doorbell 3 */
|
|
+#define ARM_BD_BELL0 0x00000100 /* Status of doorbell 0 */
|
|
+#define ARM_BD_BELL1 0x00000200 /* Status of doorbell 1 */
|
|
+#define ARM_BD_BELL2 0x00000400 /* Status of doorbell 2 */
|
|
+#define ARM_BD_BELL3 0x00000800 /* Status of doorbell 3 */
|
|
+
|
|
+/* MY IRQS register (...0xF8) */
|
|
+#define ARM_MYIRQ_BELL 0x00000001 /* This owner has a doorbell IRQ */
|
|
+#define ARM_MYIRQ_MAIL 0x00000002 /* This owner has a mailbox IRQ */
|
|
+
|
|
+/* ALL IRQS register (...0xF8) */
|
|
+#define ARM_AIS_BELL0 0x00000001 /* Doorbell 0 IRQ pending */
|
|
+#define ARM_AIS_BELL1 0x00000002 /* Doorbell 1 IRQ pending */
|
|
+#define ARM_AIS_BELL2 0x00000004 /* Doorbell 2 IRQ pending */
|
|
+#define ARM_AIS_BELL3 0x00000008 /* Doorbell 3 IRQ pending */
|
|
+#define ARM_AIS0_HAVEDATA 0x00000010 /* MAIL 0 has data IRQ pending */
|
|
+#define ARM_AIS0_HAVESPAC 0x00000020 /* MAIL 0 has space IRQ pending */
|
|
+#define ARM_AIS0_OPPEMPTY 0x00000040 /* MAIL 0 opposite is empty IRQ */
|
|
+#define ARM_AIS1_HAVEDATA 0x00000080 /* MAIL 1 has data IRQ pending */
|
|
+#define ARM_AIS1_HAVESPAC 0x00000100 /* MAIL 1 has space IRQ pending */
|
|
+#define ARM_AIS1_OPPEMPTY 0x00000200 /* MAIL 1 opposite is empty IRQ */
|
|
+/* Note that bell-0, bell-1 and MAIL0 IRQ go only to the ARM */
|
|
+/* Whilst that bell-2, bell-3 and MAIL1 IRQ go only to the VC */
|
|
+/* */
|
|
+/* ARM JTAG BASH */
|
|
+/* */
|
|
+#define AJB_BASE 0x7e2000c0
|
|
+
|
|
+#define AJBCONF HW_REGISTER_RW(AJB_BASE+0x00)
|
|
+#define AJB_BITS0 0x000000
|
|
+#define AJB_BITS4 0x000004
|
|
+#define AJB_BITS8 0x000008
|
|
+#define AJB_BITS12 0x00000C
|
|
+#define AJB_BITS16 0x000010
|
|
+#define AJB_BITS20 0x000014
|
|
+#define AJB_BITS24 0x000018
|
|
+#define AJB_BITS28 0x00001C
|
|
+#define AJB_BITS32 0x000020
|
|
+#define AJB_BITS34 0x000022
|
|
+#define AJB_OUT_MS 0x000040
|
|
+#define AJB_OUT_LS 0x000000
|
|
+#define AJB_INV_CLK 0x000080
|
|
+#define AJB_D0_RISE 0x000100
|
|
+#define AJB_D0_FALL 0x000000
|
|
+#define AJB_D1_RISE 0x000200
|
|
+#define AJB_D1_FALL 0x000000
|
|
+#define AJB_IN_RISE 0x000400
|
|
+#define AJB_IN_FALL 0x000000
|
|
+#define AJB_ENABLE 0x000800
|
|
+#define AJB_HOLD0 0x000000
|
|
+#define AJB_HOLD1 0x001000
|
|
+#define AJB_HOLD2 0x002000
|
|
+#define AJB_HOLD3 0x003000
|
|
+#define AJB_RESETN 0x004000
|
|
+#define AJB_CLKSHFT 16
|
|
+#define AJB_BUSY 0x80000000
|
|
+#define AJBTMS HW_REGISTER_RW(AJB_BASE+0x04)
|
|
+#define AJBTDI HW_REGISTER_RW(AJB_BASE+0x08)
|
|
+#define AJBTDO HW_REGISTER_RW(AJB_BASE+0x0c)
|
|
+
|
|
+#endif
|
|
--- /dev/null
|
|
+++ b/arch/arm/mach-bcm2708/include/mach/arm_power.h
|
|
@@ -0,0 +1,62 @@
|
|
+/*
|
|
+ * linux/arch/arm/mach-bcm2708/include/mach/arm_power.h
|
|
+ *
|
|
+ * Copyright (C) 2010 Broadcom
|
|
+ *
|
|
+ * This program is free software; you can redistribute it and/or modify
|
|
+ * it under the terms of the GNU General Public License as published by
|
|
+ * the Free Software Foundation; either version 2 of the License, or
|
|
+ * (at your option) any later version.
|
|
+ *
|
|
+ * This program is distributed in the hope that it will be useful,
|
|
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
+ * GNU General Public License for more details.
|
|
+ *
|
|
+ * You should have received a copy of the GNU General Public License
|
|
+ * along with this program; if not, write to the Free Software
|
|
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
+ */
|
|
+
|
|
+#ifndef _ARM_POWER_H
|
|
+#define _ARM_POWER_H
|
|
+
|
|
+/* Use meaningful names on each side */
|
|
+#ifdef __VIDEOCORE__
|
|
+#define PREFIX(x) ARM_##x
|
|
+#else
|
|
+#define PREFIX(x) BCM_##x
|
|
+#endif
|
|
+
|
|
+enum {
|
|
+ PREFIX(POWER_SDCARD_BIT),
|
|
+ PREFIX(POWER_UART_BIT),
|
|
+ PREFIX(POWER_MINIUART_BIT),
|
|
+ PREFIX(POWER_USB_BIT),
|
|
+ PREFIX(POWER_I2C0_BIT),
|
|
+ PREFIX(POWER_I2C1_BIT),
|
|
+ PREFIX(POWER_I2C2_BIT),
|
|
+ PREFIX(POWER_SPI_BIT),
|
|
+ PREFIX(POWER_CCP2TX_BIT),
|
|
+ PREFIX(POWER_DSI_BIT),
|
|
+
|
|
+ PREFIX(POWER_MAX)
|
|
+};
|
|
+
|
|
+enum {
|
|
+ PREFIX(POWER_SDCARD) = (1 << PREFIX(POWER_SDCARD_BIT)),
|
|
+ PREFIX(POWER_UART) = (1 << PREFIX(POWER_UART_BIT)),
|
|
+ PREFIX(POWER_MINIUART) = (1 << PREFIX(POWER_MINIUART_BIT)),
|
|
+ PREFIX(POWER_USB) = (1 << PREFIX(POWER_USB_BIT)),
|
|
+ PREFIX(POWER_I2C0) = (1 << PREFIX(POWER_I2C0_BIT)),
|
|
+ PREFIX(POWER_I2C1_MASK) = (1 << PREFIX(POWER_I2C1_BIT)),
|
|
+ PREFIX(POWER_I2C2_MASK) = (1 << PREFIX(POWER_I2C2_BIT)),
|
|
+ PREFIX(POWER_SPI_MASK) = (1 << PREFIX(POWER_SPI_BIT)),
|
|
+ PREFIX(POWER_CCP2TX_MASK) = (1 << PREFIX(POWER_CCP2TX_BIT)),
|
|
+ PREFIX(POWER_DSI) = (1 << PREFIX(POWER_DSI_BIT)),
|
|
+
|
|
+ PREFIX(POWER_MASK) = (1 << PREFIX(POWER_MAX)) - 1,
|
|
+ PREFIX(POWER_NONE) = 0
|
|
+};
|
|
+
|
|
+#endif
|
|
--- /dev/null
|
|
+++ b/arch/arm/mach-bcm2708/include/mach/clkdev.h
|
|
@@ -0,0 +1,7 @@
|
|
+#ifndef __ASM_MACH_CLKDEV_H
|
|
+#define __ASM_MACH_CLKDEV_H
|
|
+
|
|
+#define __clk_get(clk) ({ 1; })
|
|
+#define __clk_put(clk) do { } while (0)
|
|
+
|
|
+#endif
|
|
--- /dev/null
|
|
+++ b/arch/arm/mach-bcm2708/include/mach/debug-macro.S
|
|
@@ -0,0 +1,22 @@
|
|
+/* arch/arm/mach-bcm2708/include/mach/debug-macro.S
|
|
+ *
|
|
+ * Debugging macro include header
|
|
+ *
|
|
+ * Copyright (C) 2010 Broadcom
|
|
+ * Copyright (C) 1994-1999 Russell King
|
|
+ * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
|
|
+ *
|
|
+ * This program is free software; you can redistribute it and/or modify
|
|
+ * it under the terms of the GNU General Public License version 2 as
|
|
+ * published by the Free Software Foundation.
|
|
+ *
|
|
+*/
|
|
+
|
|
+#include <mach/platform.h>
|
|
+
|
|
+ .macro addruart, rp, rv, tmp
|
|
+ ldr \rp, =UART0_BASE
|
|
+ ldr \rv, =IO_ADDRESS(UART0_BASE)
|
|
+ .endm
|
|
+
|
|
+#include <debug/pl01x.S>
|
|
--- /dev/null
|
|
+++ b/arch/arm/mach-bcm2708/include/mach/dma.h
|
|
@@ -0,0 +1,88 @@
|
|
+/*
|
|
+ * linux/arch/arm/mach-bcm2708/include/mach/dma.h
|
|
+ *
|
|
+ * Copyright (C) 2010 Broadcom
|
|
+ *
|
|
+ * This program is free software; you can redistribute it and/or modify
|
|
+ * it under the terms of the GNU General Public License version 2 as
|
|
+ * published by the Free Software Foundation.
|
|
+ */
|
|
+
|
|
+
|
|
+#ifndef _MACH_BCM2708_DMA_H
|
|
+#define _MACH_BCM2708_DMA_H
|
|
+
|
|
+#define BCM_DMAMAN_DRIVER_NAME "bcm2708_dma"
|
|
+
|
|
+/* DMA CS Control and Status bits */
|
|
+#define BCM2708_DMA_ACTIVE (1 << 0)
|
|
+#define BCM2708_DMA_INT (1 << 2)
|
|
+#define BCM2708_DMA_ISPAUSED (1 << 4) /* Pause requested or not active */
|
|
+#define BCM2708_DMA_ISHELD (1 << 5) /* Is held by DREQ flow control */
|
|
+#define BCM2708_DMA_ERR (1 << 8)
|
|
+#define BCM2708_DMA_ABORT (1 << 30) /* stop current CB, go to next, WO */
|
|
+#define BCM2708_DMA_RESET (1 << 31) /* WO, self clearing */
|
|
+
|
|
+/* DMA control block "info" field bits */
|
|
+#define BCM2708_DMA_INT_EN (1 << 0)
|
|
+#define BCM2708_DMA_TDMODE (1 << 1)
|
|
+#define BCM2708_DMA_WAIT_RESP (1 << 3)
|
|
+#define BCM2708_DMA_D_INC (1 << 4)
|
|
+#define BCM2708_DMA_D_WIDTH (1 << 5)
|
|
+#define BCM2708_DMA_D_DREQ (1 << 6)
|
|
+#define BCM2708_DMA_S_INC (1 << 8)
|
|
+#define BCM2708_DMA_S_WIDTH (1 << 9)
|
|
+#define BCM2708_DMA_S_DREQ (1 << 10)
|
|
+
|
|
+#define BCM2708_DMA_BURST(x) (((x)&0xf) << 12)
|
|
+#define BCM2708_DMA_PER_MAP(x) ((x) << 16)
|
|
+#define BCM2708_DMA_WAITS(x) (((x)&0x1f) << 21)
|
|
+
|
|
+#define BCM2708_DMA_DREQ_EMMC 11
|
|
+#define BCM2708_DMA_DREQ_SDHOST 13
|
|
+
|
|
+#define BCM2708_DMA_CS 0x00 /* Control and Status */
|
|
+#define BCM2708_DMA_ADDR 0x04
|
|
+/* the current control block appears in the following registers - read only */
|
|
+#define BCM2708_DMA_INFO 0x08
|
|
+#define BCM2708_DMA_SOURCE_AD 0x0c
|
|
+#define BCM2708_DMA_DEST_AD 0x10
|
|
+#define BCM2708_DMA_NEXTCB 0x1C
|
|
+#define BCM2708_DMA_DEBUG 0x20
|
|
+
|
|
+#define BCM2708_DMA4_CS (BCM2708_DMA_CHAN(4)+BCM2708_DMA_CS)
|
|
+#define BCM2708_DMA4_ADDR (BCM2708_DMA_CHAN(4)+BCM2708_DMA_ADDR)
|
|
+
|
|
+#define BCM2708_DMA_TDMODE_LEN(w, h) ((h) << 16 | (w))
|
|
+
|
|
+struct bcm2708_dma_cb {
|
|
+ unsigned long info;
|
|
+ unsigned long src;
|
|
+ unsigned long dst;
|
|
+ unsigned long length;
|
|
+ unsigned long stride;
|
|
+ unsigned long next;
|
|
+ unsigned long pad[2];
|
|
+};
|
|
+
|
|
+extern int bcm_sg_suitable_for_dma(struct scatterlist *sg_ptr, int sg_len);
|
|
+extern void bcm_dma_start(void __iomem *dma_chan_base,
|
|
+ dma_addr_t control_block);
|
|
+extern void bcm_dma_wait_idle(void __iomem *dma_chan_base);
|
|
+extern int /*rc*/ bcm_dma_abort(void __iomem *dma_chan_base);
|
|
+
|
|
+/* When listing features we can ask for when allocating DMA channels give
|
|
+ those with higher priority smaller ordinal numbers */
|
|
+#define BCM_DMA_FEATURE_FAST_ORD 0
|
|
+#define BCM_DMA_FEATURE_BULK_ORD 1
|
|
+#define BCM_DMA_FEATURE_FAST (1<<BCM_DMA_FEATURE_FAST_ORD)
|
|
+#define BCM_DMA_FEATURE_BULK (1<<BCM_DMA_FEATURE_BULK_ORD)
|
|
+#define BCM_DMA_FEATURE_COUNT 2
|
|
+
|
|
+/* return channel no or -ve error */
|
|
+extern int bcm_dma_chan_alloc(unsigned preferred_feature_set,
|
|
+ void __iomem **out_dma_base, int *out_dma_irq);
|
|
+extern int bcm_dma_chan_free(int channel);
|
|
+
|
|
+
|
|
+#endif /* _MACH_BCM2708_DMA_H */
|
|
--- /dev/null
|
|
+++ b/arch/arm/mach-bcm2708/include/mach/entry-macro.S
|
|
@@ -0,0 +1,69 @@
|
|
+/*
|
|
+ * arch/arm/mach-bcm2708/include/mach/entry-macro.S
|
|
+ *
|
|
+ * Low-level IRQ helper macros for BCM2708 platforms
|
|
+ *
|
|
+ * Copyright (C) 2010 Broadcom
|
|
+ *
|
|
+ * This program is free software; you can redistribute it and/or modify
|
|
+ * it under the terms of the GNU General Public License as published by
|
|
+ * the Free Software Foundation; either version 2 of the License, or
|
|
+ * (at your option) any later version.
|
|
+ *
|
|
+ * This program is distributed in the hope that it will be useful,
|
|
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
+ * GNU General Public License for more details.
|
|
+ *
|
|
+ * You should have received a copy of the GNU General Public License
|
|
+ * along with this program; if not, write to the Free Software
|
|
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
+ */
|
|
+#include <mach/hardware.h>
|
|
+
|
|
+ .macro disable_fiq
|
|
+ .endm
|
|
+
|
|
+ .macro get_irqnr_preamble, base, tmp
|
|
+ ldr \base, =IO_ADDRESS(ARMCTRL_IC_BASE)
|
|
+ .endm
|
|
+
|
|
+ .macro arch_ret_to_user, tmp1, tmp2
|
|
+ .endm
|
|
+
|
|
+ .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
|
|
+ /* get masked status */
|
|
+ ldr \irqstat, [\base, #(ARM_IRQ_PEND0 - ARMCTRL_IC_BASE)]
|
|
+ mov \irqnr, #(ARM_IRQ0_BASE + 31)
|
|
+ and \tmp, \irqstat, #0x300 @ save bits 8 and 9
|
|
+ /* clear bits 8 and 9, and test */
|
|
+ bics \irqstat, \irqstat, #0x300
|
|
+ bne 1010f
|
|
+
|
|
+ tst \tmp, #0x100
|
|
+ ldrne \irqstat, [\base, #(ARM_IRQ_PEND1 - ARMCTRL_IC_BASE)]
|
|
+ movne \irqnr, #(ARM_IRQ1_BASE + 31)
|
|
+ @ Mask out the interrupts also present in PEND0 - see SW-5809
|
|
+ bicne \irqstat, #((1<<7) | (1<<9) | (1<<10))
|
|
+ bicne \irqstat, #((1<<18) | (1<<19))
|
|
+ bne 1010f
|
|
+
|
|
+ tst \tmp, #0x200
|
|
+ ldrne \irqstat, [\base, #(ARM_IRQ_PEND2 - ARMCTRL_IC_BASE)]
|
|
+ movne \irqnr, #(ARM_IRQ2_BASE + 31)
|
|
+ @ Mask out the interrupts also present in PEND0 - see SW-5809
|
|
+ bicne \irqstat, #((1<<21) | (1<<22) | (1<<23) | (1<<24) | (1<<25))
|
|
+ bicne \irqstat, #((1<<30))
|
|
+ beq 1020f
|
|
+
|
|
+1010:
|
|
+ @ For non-zero x, LSB(x) = 31 - CLZ(x^(x-1))
|
|
+ @ N.B. CLZ is an ARM5 instruction.
|
|
+ sub \tmp, \irqstat, #1
|
|
+ eor \irqstat, \irqstat, \tmp
|
|
+ clz \tmp, \irqstat
|
|
+ sub \irqnr, \tmp
|
|
+
|
|
+1020: @ EQ will be set if no irqs pending
|
|
+
|
|
+ .endm
|
|
--- /dev/null
|
|
+++ b/arch/arm/mach-bcm2708/include/mach/frc.h
|
|
@@ -0,0 +1,38 @@
|
|
+/*
|
|
+ * arch/arm/mach-bcm2708/include/mach/timex.h
|
|
+ *
|
|
+ * BCM2708 free running counter (timer)
|
|
+ *
|
|
+ * Copyright (C) 2010 Broadcom
|
|
+ *
|
|
+ * This program is free software; you can redistribute it and/or modify
|
|
+ * it under the terms of the GNU General Public License as published by
|
|
+ * the Free Software Foundation; either version 2 of the License, or
|
|
+ * (at your option) any later version.
|
|
+ *
|
|
+ * This program is distributed in the hope that it will be useful,
|
|
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
+ * GNU General Public License for more details.
|
|
+ *
|
|
+ * You should have received a copy of the GNU General Public License
|
|
+ * along with this program; if not, write to the Free Software
|
|
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
+ */
|
|
+
|
|
+#ifndef _MACH_FRC_H
|
|
+#define _MACH_FRC_H
|
|
+
|
|
+#define FRC_TICK_RATE (1000000)
|
|
+
|
|
+/*! Free running counter incrementing at the CLOCK_TICK_RATE
|
|
+ (slightly faster than frc_clock_ticks63()
|
|
+ */
|
|
+extern unsigned long frc_clock_ticks32(void);
|
|
+
|
|
+/*! Free running counter incrementing at the CLOCK_TICK_RATE
|
|
+ * Note - top bit should be ignored (see cnt32_to_63)
|
|
+ */
|
|
+extern unsigned long long frc_clock_ticks63(void);
|
|
+
|
|
+#endif
|
|
--- /dev/null
|
|
+++ b/arch/arm/mach-bcm2708/include/mach/hardware.h
|
|
@@ -0,0 +1,28 @@
|
|
+/*
|
|
+ * arch/arm/mach-bcm2708/include/mach/hardware.h
|
|
+ *
|
|
+ * This file contains the hardware definitions of the BCM2708 devices.
|
|
+ *
|
|
+ * Copyright (C) 2010 Broadcom
|
|
+ *
|
|
+ * This program is free software; you can redistribute it and/or modify
|
|
+ * it under the terms of the GNU General Public License as published by
|
|
+ * the Free Software Foundation; either version 2 of the License, or
|
|
+ * (at your option) any later version.
|
|
+ *
|
|
+ * This program is distributed in the hope that it will be useful,
|
|
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
+ * GNU General Public License for more details.
|
|
+ *
|
|
+ * You should have received a copy of the GNU General Public License
|
|
+ * along with this program; if not, write to the Free Software
|
|
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
+ */
|
|
+#ifndef __ASM_ARCH_HARDWARE_H
|
|
+#define __ASM_ARCH_HARDWARE_H
|
|
+
|
|
+#include <asm/sizes.h>
|
|
+#include <mach/platform.h>
|
|
+
|
|
+#endif
|
|
--- /dev/null
|
|
+++ b/arch/arm/mach-bcm2708/include/mach/io.h
|
|
@@ -0,0 +1,27 @@
|
|
+/*
|
|
+ * arch/arm/mach-bcm2708/include/mach/io.h
|
|
+ *
|
|
+ * Copyright (C) 2003 ARM Limited
|
|
+ *
|
|
+ * This program is free software; you can redistribute it and/or modify
|
|
+ * it under the terms of the GNU General Public License as published by
|
|
+ * the Free Software Foundation; either version 2 of the License, or
|
|
+ * (at your option) any later version.
|
|
+ *
|
|
+ * This program is distributed in the hope that it will be useful,
|
|
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
+ * GNU General Public License for more details.
|
|
+ *
|
|
+ * You should have received a copy of the GNU General Public License
|
|
+ * along with this program; if not, write to the Free Software
|
|
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
+ */
|
|
+#ifndef __ASM_ARM_ARCH_IO_H
|
|
+#define __ASM_ARM_ARCH_IO_H
|
|
+
|
|
+#define IO_SPACE_LIMIT 0xffffffff
|
|
+
|
|
+#define __io(a) __typesafe_io(a)
|
|
+
|
|
+#endif
|
|
--- /dev/null
|
|
+++ b/arch/arm/mach-bcm2708/include/mach/irqs.h
|
|
@@ -0,0 +1,196 @@
|
|
+/*
|
|
+ * arch/arm/mach-bcm2708/include/mach/irqs.h
|
|
+ *
|
|
+ * Copyright (C) 2010 Broadcom
|
|
+ * Copyright (C) 2003 ARM Limited
|
|
+ * Copyright (C) 2000 Deep Blue Solutions Ltd.
|
|
+ *
|
|
+ * This program is free software; you can redistribute it and/or modify
|
|
+ * it under the terms of the GNU General Public License as published by
|
|
+ * the Free Software Foundation; either version 2 of the License, or
|
|
+ * (at your option) any later version.
|
|
+ *
|
|
+ * This program is distributed in the hope that it will be useful,
|
|
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
+ * GNU General Public License for more details.
|
|
+ *
|
|
+ * You should have received a copy of the GNU General Public License
|
|
+ * along with this program; if not, write to the Free Software
|
|
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
+ */
|
|
+
|
|
+#ifndef _BCM2708_IRQS_H_
|
|
+#define _BCM2708_IRQS_H_
|
|
+
|
|
+#include <mach/platform.h>
|
|
+
|
|
+/*
|
|
+ * IRQ interrupts definitions are the same as the INT definitions
|
|
+ * held within platform.h
|
|
+ */
|
|
+#define IRQ_ARMCTRL_START 0
|
|
+#define IRQ_TIMER0 (IRQ_ARMCTRL_START + INTERRUPT_TIMER0)
|
|
+#define IRQ_TIMER1 (IRQ_ARMCTRL_START + INTERRUPT_TIMER1)
|
|
+#define IRQ_TIMER2 (IRQ_ARMCTRL_START + INTERRUPT_TIMER2)
|
|
+#define IRQ_TIMER3 (IRQ_ARMCTRL_START + INTERRUPT_TIMER3)
|
|
+#define IRQ_CODEC0 (IRQ_ARMCTRL_START + INTERRUPT_CODEC0)
|
|
+#define IRQ_CODEC1 (IRQ_ARMCTRL_START + INTERRUPT_CODEC1)
|
|
+#define IRQ_CODEC2 (IRQ_ARMCTRL_START + INTERRUPT_CODEC2)
|
|
+#define IRQ_JPEG (IRQ_ARMCTRL_START + INTERRUPT_JPEG)
|
|
+#define IRQ_ISP (IRQ_ARMCTRL_START + INTERRUPT_ISP)
|
|
+#define IRQ_USB (IRQ_ARMCTRL_START + INTERRUPT_USB)
|
|
+#define IRQ_3D (IRQ_ARMCTRL_START + INTERRUPT_3D)
|
|
+#define IRQ_TRANSPOSER (IRQ_ARMCTRL_START + INTERRUPT_TRANSPOSER)
|
|
+#define IRQ_MULTICORESYNC0 (IRQ_ARMCTRL_START + INTERRUPT_MULTICORESYNC0)
|
|
+#define IRQ_MULTICORESYNC1 (IRQ_ARMCTRL_START + INTERRUPT_MULTICORESYNC1)
|
|
+#define IRQ_MULTICORESYNC2 (IRQ_ARMCTRL_START + INTERRUPT_MULTICORESYNC2)
|
|
+#define IRQ_MULTICORESYNC3 (IRQ_ARMCTRL_START + INTERRUPT_MULTICORESYNC3)
|
|
+#define IRQ_DMA0 (IRQ_ARMCTRL_START + INTERRUPT_DMA0)
|
|
+#define IRQ_DMA1 (IRQ_ARMCTRL_START + INTERRUPT_DMA1)
|
|
+#define IRQ_DMA2 (IRQ_ARMCTRL_START + INTERRUPT_DMA2)
|
|
+#define IRQ_DMA3 (IRQ_ARMCTRL_START + INTERRUPT_DMA3)
|
|
+#define IRQ_DMA4 (IRQ_ARMCTRL_START + INTERRUPT_DMA4)
|
|
+#define IRQ_DMA5 (IRQ_ARMCTRL_START + INTERRUPT_DMA5)
|
|
+#define IRQ_DMA6 (IRQ_ARMCTRL_START + INTERRUPT_DMA6)
|
|
+#define IRQ_DMA7 (IRQ_ARMCTRL_START + INTERRUPT_DMA7)
|
|
+#define IRQ_DMA8 (IRQ_ARMCTRL_START + INTERRUPT_DMA8)
|
|
+#define IRQ_DMA9 (IRQ_ARMCTRL_START + INTERRUPT_DMA9)
|
|
+#define IRQ_DMA10 (IRQ_ARMCTRL_START + INTERRUPT_DMA10)
|
|
+#define IRQ_DMA11 (IRQ_ARMCTRL_START + INTERRUPT_DMA11)
|
|
+#define IRQ_DMA12 (IRQ_ARMCTRL_START + INTERRUPT_DMA12)
|
|
+#define IRQ_AUX (IRQ_ARMCTRL_START + INTERRUPT_AUX)
|
|
+#define IRQ_ARM (IRQ_ARMCTRL_START + INTERRUPT_ARM)
|
|
+#define IRQ_VPUDMA (IRQ_ARMCTRL_START + INTERRUPT_VPUDMA)
|
|
+#define IRQ_HOSTPORT (IRQ_ARMCTRL_START + INTERRUPT_HOSTPORT)
|
|
+#define IRQ_VIDEOSCALER (IRQ_ARMCTRL_START + INTERRUPT_VIDEOSCALER)
|
|
+#define IRQ_CCP2TX (IRQ_ARMCTRL_START + INTERRUPT_CCP2TX)
|
|
+#define IRQ_SDC (IRQ_ARMCTRL_START + INTERRUPT_SDC)
|
|
+#define IRQ_DSI0 (IRQ_ARMCTRL_START + INTERRUPT_DSI0)
|
|
+#define IRQ_AVE (IRQ_ARMCTRL_START + INTERRUPT_AVE)
|
|
+#define IRQ_CAM0 (IRQ_ARMCTRL_START + INTERRUPT_CAM0)
|
|
+#define IRQ_CAM1 (IRQ_ARMCTRL_START + INTERRUPT_CAM1)
|
|
+#define IRQ_HDMI0 (IRQ_ARMCTRL_START + INTERRUPT_HDMI0)
|
|
+#define IRQ_HDMI1 (IRQ_ARMCTRL_START + INTERRUPT_HDMI1)
|
|
+#define IRQ_PIXELVALVE1 (IRQ_ARMCTRL_START + INTERRUPT_PIXELVALVE1)
|
|
+#define IRQ_I2CSPISLV (IRQ_ARMCTRL_START + INTERRUPT_I2CSPISLV)
|
|
+#define IRQ_DSI1 (IRQ_ARMCTRL_START + INTERRUPT_DSI1)
|
|
+#define IRQ_PWA0 (IRQ_ARMCTRL_START + INTERRUPT_PWA0)
|
|
+#define IRQ_PWA1 (IRQ_ARMCTRL_START + INTERRUPT_PWA1)
|
|
+#define IRQ_CPR (IRQ_ARMCTRL_START + INTERRUPT_CPR)
|
|
+#define IRQ_SMI (IRQ_ARMCTRL_START + INTERRUPT_SMI)
|
|
+#define IRQ_GPIO0 (IRQ_ARMCTRL_START + INTERRUPT_GPIO0)
|
|
+#define IRQ_GPIO1 (IRQ_ARMCTRL_START + INTERRUPT_GPIO1)
|
|
+#define IRQ_GPIO2 (IRQ_ARMCTRL_START + INTERRUPT_GPIO2)
|
|
+#define IRQ_GPIO3 (IRQ_ARMCTRL_START + INTERRUPT_GPIO3)
|
|
+#define IRQ_I2C (IRQ_ARMCTRL_START + INTERRUPT_I2C)
|
|
+#define IRQ_SPI (IRQ_ARMCTRL_START + INTERRUPT_SPI)
|
|
+#define IRQ_I2SPCM (IRQ_ARMCTRL_START + INTERRUPT_I2SPCM)
|
|
+#define IRQ_SDIO (IRQ_ARMCTRL_START + INTERRUPT_SDIO)
|
|
+#define IRQ_UART (IRQ_ARMCTRL_START + INTERRUPT_UART)
|
|
+#define IRQ_SLIMBUS (IRQ_ARMCTRL_START + INTERRUPT_SLIMBUS)
|
|
+#define IRQ_VEC (IRQ_ARMCTRL_START + INTERRUPT_VEC)
|
|
+#define IRQ_CPG (IRQ_ARMCTRL_START + INTERRUPT_CPG)
|
|
+#define IRQ_RNG (IRQ_ARMCTRL_START + INTERRUPT_RNG)
|
|
+#define IRQ_ARASANSDIO (IRQ_ARMCTRL_START + INTERRUPT_ARASANSDIO)
|
|
+#define IRQ_AVSPMON (IRQ_ARMCTRL_START + INTERRUPT_AVSPMON)
|
|
+
|
|
+#define IRQ_ARM_TIMER (IRQ_ARMCTRL_START + INTERRUPT_ARM_TIMER)
|
|
+#define IRQ_ARM_MAILBOX (IRQ_ARMCTRL_START + INTERRUPT_ARM_MAILBOX)
|
|
+#define IRQ_ARM_DOORBELL_0 (IRQ_ARMCTRL_START + INTERRUPT_ARM_DOORBELL_0)
|
|
+#define IRQ_ARM_DOORBELL_1 (IRQ_ARMCTRL_START + INTERRUPT_ARM_DOORBELL_1)
|
|
+#define IRQ_VPU0_HALTED (IRQ_ARMCTRL_START + INTERRUPT_VPU0_HALTED)
|
|
+#define IRQ_VPU1_HALTED (IRQ_ARMCTRL_START + INTERRUPT_VPU1_HALTED)
|
|
+#define IRQ_ILLEGAL_TYPE0 (IRQ_ARMCTRL_START + INTERRUPT_ILLEGAL_TYPE0)
|
|
+#define IRQ_ILLEGAL_TYPE1 (IRQ_ARMCTRL_START + INTERRUPT_ILLEGAL_TYPE1)
|
|
+#define IRQ_PENDING1 (IRQ_ARMCTRL_START + INTERRUPT_PENDING1)
|
|
+#define IRQ_PENDING2 (IRQ_ARMCTRL_START + INTERRUPT_PENDING2)
|
|
+
|
|
+/*
|
|
+ * FIQ interrupts definitions are the same as the INT definitions.
|
|
+ */
|
|
+#define FIQ_TIMER0 INT_TIMER0
|
|
+#define FIQ_TIMER1 INT_TIMER1
|
|
+#define FIQ_TIMER2 INT_TIMER2
|
|
+#define FIQ_TIMER3 INT_TIMER3
|
|
+#define FIQ_CODEC0 INT_CODEC0
|
|
+#define FIQ_CODEC1 INT_CODEC1
|
|
+#define FIQ_CODEC2 INT_CODEC2
|
|
+#define FIQ_JPEG INT_JPEG
|
|
+#define FIQ_ISP INT_ISP
|
|
+#define FIQ_USB INT_USB
|
|
+#define FIQ_3D INT_3D
|
|
+#define FIQ_TRANSPOSER INT_TRANSPOSER
|
|
+#define FIQ_MULTICORESYNC0 INT_MULTICORESYNC0
|
|
+#define FIQ_MULTICORESYNC1 INT_MULTICORESYNC1
|
|
+#define FIQ_MULTICORESYNC2 INT_MULTICORESYNC2
|
|
+#define FIQ_MULTICORESYNC3 INT_MULTICORESYNC3
|
|
+#define FIQ_DMA0 INT_DMA0
|
|
+#define FIQ_DMA1 INT_DMA1
|
|
+#define FIQ_DMA2 INT_DMA2
|
|
+#define FIQ_DMA3 INT_DMA3
|
|
+#define FIQ_DMA4 INT_DMA4
|
|
+#define FIQ_DMA5 INT_DMA5
|
|
+#define FIQ_DMA6 INT_DMA6
|
|
+#define FIQ_DMA7 INT_DMA7
|
|
+#define FIQ_DMA8 INT_DMA8
|
|
+#define FIQ_DMA9 INT_DMA9
|
|
+#define FIQ_DMA10 INT_DMA10
|
|
+#define FIQ_DMA11 INT_DMA11
|
|
+#define FIQ_DMA12 INT_DMA12
|
|
+#define FIQ_AUX INT_AUX
|
|
+#define FIQ_ARM INT_ARM
|
|
+#define FIQ_VPUDMA INT_VPUDMA
|
|
+#define FIQ_HOSTPORT INT_HOSTPORT
|
|
+#define FIQ_VIDEOSCALER INT_VIDEOSCALER
|
|
+#define FIQ_CCP2TX INT_CCP2TX
|
|
+#define FIQ_SDC INT_SDC
|
|
+#define FIQ_DSI0 INT_DSI0
|
|
+#define FIQ_AVE INT_AVE
|
|
+#define FIQ_CAM0 INT_CAM0
|
|
+#define FIQ_CAM1 INT_CAM1
|
|
+#define FIQ_HDMI0 INT_HDMI0
|
|
+#define FIQ_HDMI1 INT_HDMI1
|
|
+#define FIQ_PIXELVALVE1 INT_PIXELVALVE1
|
|
+#define FIQ_I2CSPISLV INT_I2CSPISLV
|
|
+#define FIQ_DSI1 INT_DSI1
|
|
+#define FIQ_PWA0 INT_PWA0
|
|
+#define FIQ_PWA1 INT_PWA1
|
|
+#define FIQ_CPR INT_CPR
|
|
+#define FIQ_SMI INT_SMI
|
|
+#define FIQ_GPIO0 INT_GPIO0
|
|
+#define FIQ_GPIO1 INT_GPIO1
|
|
+#define FIQ_GPIO2 INT_GPIO2
|
|
+#define FIQ_GPIO3 INT_GPIO3
|
|
+#define FIQ_I2C INT_I2C
|
|
+#define FIQ_SPI INT_SPI
|
|
+#define FIQ_I2SPCM INT_I2SPCM
|
|
+#define FIQ_SDIO INT_SDIO
|
|
+#define FIQ_UART INT_UART
|
|
+#define FIQ_SLIMBUS INT_SLIMBUS
|
|
+#define FIQ_VEC INT_VEC
|
|
+#define FIQ_CPG INT_CPG
|
|
+#define FIQ_RNG INT_RNG
|
|
+#define FIQ_ARASANSDIO INT_ARASANSDIO
|
|
+#define FIQ_AVSPMON INT_AVSPMON
|
|
+
|
|
+#define FIQ_ARM_TIMER INT_ARM_TIMER
|
|
+#define FIQ_ARM_MAILBOX INT_ARM_MAILBOX
|
|
+#define FIQ_ARM_DOORBELL_0 INT_ARM_DOORBELL_0
|
|
+#define FIQ_ARM_DOORBELL_1 INT_ARM_DOORBELL_1
|
|
+#define FIQ_VPU0_HALTED INT_VPU0_HALTED
|
|
+#define FIQ_VPU1_HALTED INT_VPU1_HALTED
|
|
+#define FIQ_ILLEGAL_TYPE0 INT_ILLEGAL_TYPE0
|
|
+#define FIQ_ILLEGAL_TYPE1 INT_ILLEGAL_TYPE1
|
|
+#define FIQ_PENDING1 INT_PENDING1
|
|
+#define FIQ_PENDING2 INT_PENDING2
|
|
+
|
|
+#define HARD_IRQS (64 + 21)
|
|
+#define GPIO_IRQ_START (HARD_IRQS)
|
|
+#define GPIO_IRQS (32*5)
|
|
+#define SPARE_ALLOC_IRQS 64
|
|
+#define BCM2708_ALLOC_IRQS (HARD_IRQS+FIQ_IRQS+GPIO_IRQS+SPARE_ALLOC_IRQS)
|
|
+#define FREE_IRQS 128
|
|
+#define NR_IRQS (BCM2708_ALLOC_IRQS+FREE_IRQS)
|
|
+
|
|
+#endif /* _BCM2708_IRQS_H_ */
|
|
--- /dev/null
|
|
+++ b/arch/arm/mach-bcm2708/include/mach/memory.h
|
|
@@ -0,0 +1,57 @@
|
|
+/*
|
|
+ * arch/arm/mach-bcm2708/include/mach/memory.h
|
|
+ *
|
|
+ * Copyright (C) 2010 Broadcom
|
|
+ *
|
|
+ * This program is free software; you can redistribute it and/or modify
|
|
+ * it under the terms of the GNU General Public License as published by
|
|
+ * the Free Software Foundation; either version 2 of the License, or
|
|
+ * (at your option) any later version.
|
|
+ *
|
|
+ * This program is distributed in the hope that it will be useful,
|
|
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
+ * GNU General Public License for more details.
|
|
+ *
|
|
+ * You should have received a copy of the GNU General Public License
|
|
+ * along with this program; if not, write to the Free Software
|
|
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
+ */
|
|
+#ifndef __ASM_ARCH_MEMORY_H
|
|
+#define __ASM_ARCH_MEMORY_H
|
|
+
|
|
+/* Memory overview:
|
|
+
|
|
+ [ARMcore] <--virtual addr-->
|
|
+ [ARMmmu] <--physical addr-->
|
|
+ [GERTmap] <--bus add-->
|
|
+ [VCperiph]
|
|
+
|
|
+*/
|
|
+
|
|
+/*
|
|
+ * Physical DRAM offset.
|
|
+ */
|
|
+#define BCM_PLAT_PHYS_OFFSET UL(0x00000000)
|
|
+#define VC_ARMMEM_OFFSET UL(0x00000000) /* offset in VC of ARM memory */
|
|
+
|
|
+#ifdef CONFIG_BCM2708_NOL2CACHE
|
|
+ #define _REAL_BUS_OFFSET UL(0xC0000000) /* don't use L1 or L2 caches */
|
|
+#else
|
|
+ #define _REAL_BUS_OFFSET UL(0x40000000) /* use L2 cache */
|
|
+#endif
|
|
+
|
|
+/* We're using the memory at 64M in the VideoCore for Linux - this adjustment
|
|
+ * will provide the offset into this area as well as setting the bits that
|
|
+ * stop the L1 and L2 cache from being used
|
|
+ *
|
|
+ * WARNING: this only works because the ARM is given memory at a fixed location
|
|
+ * (ARMMEM_OFFSET)
|
|
+ */
|
|
+#define BUS_OFFSET (VC_ARMMEM_OFFSET + _REAL_BUS_OFFSET)
|
|
+#define __virt_to_bus(x) ((x) + (BUS_OFFSET - PAGE_OFFSET))
|
|
+#define __bus_to_virt(x) ((x) - (BUS_OFFSET - PAGE_OFFSET))
|
|
+#define __pfn_to_bus(x) (__pfn_to_phys(x) + (BUS_OFFSET - BCM_PLAT_PHYS_OFFSET))
|
|
+#define __bus_to_pfn(x) __phys_to_pfn((x) - (BUS_OFFSET - BCM_PLAT_PHYS_OFFSET))
|
|
+
|
|
+#endif
|
|
--- /dev/null
|
|
+++ b/arch/arm/mach-bcm2708/include/mach/platform.h
|
|
@@ -0,0 +1,228 @@
|
|
+/*
|
|
+ * arch/arm/mach-bcm2708/include/mach/platform.h
|
|
+ *
|
|
+ * Copyright (C) 2010 Broadcom
|
|
+ *
|
|
+ * This program is free software; you can redistribute it and/or modify
|
|
+ * it under the terms of the GNU General Public License as published by
|
|
+ * the Free Software Foundation; either version 2 of the License, or
|
|
+ * (at your option) any later version.
|
|
+ *
|
|
+ * This program is distributed in the hope that it will be useful,
|
|
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
+ * GNU General Public License for more details.
|
|
+ *
|
|
+ * You should have received a copy of the GNU General Public License
|
|
+ * along with this program; if not, write to the Free Software
|
|
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
+ */
|
|
+
|
|
+#ifndef _BCM2708_PLATFORM_H
|
|
+#define _BCM2708_PLATFORM_H
|
|
+
|
|
+
|
|
+/* macros to get at IO space when running virtually */
|
|
+#define IO_ADDRESS(x) (((x) & 0x0fffffff) + (((x) >> 4) & 0x0f000000) + 0xf0000000)
|
|
+
|
|
+#define __io_address(n) IOMEM(IO_ADDRESS(n))
|
|
+
|
|
+
|
|
+/*
|
|
+ * SDRAM
|
|
+ */
|
|
+#define BCM2708_SDRAM_BASE 0x00000000
|
|
+
|
|
+/*
|
|
+ * Logic expansion modules
|
|
+ *
|
|
+ */
|
|
+
|
|
+
|
|
+/* ------------------------------------------------------------------------
|
|
+ * BCM2708 ARMCTRL Registers
|
|
+ * ------------------------------------------------------------------------
|
|
+ */
|
|
+
|
|
+#define HW_REGISTER_RW(addr) (addr)
|
|
+#define HW_REGISTER_RO(addr) (addr)
|
|
+
|
|
+#include "arm_control.h"
|
|
+#undef ARM_BASE
|
|
+
|
|
+/*
|
|
+ * Definitions and addresses for the ARM CONTROL logic
|
|
+ * This file is manually generated.
|
|
+ */
|
|
+
|
|
+#define BCM2708_PERI_BASE 0x20000000
|
|
+#define IC0_BASE (BCM2708_PERI_BASE + 0x2000)
|
|
+#define ST_BASE (BCM2708_PERI_BASE + 0x3000) /* System Timer */
|
|
+#define MPHI_BASE (BCM2708_PERI_BASE + 0x6000) /* Message -based Parallel Host Interface */
|
|
+#define DMA_BASE (BCM2708_PERI_BASE + 0x7000) /* DMA controller */
|
|
+#define ARM_BASE (BCM2708_PERI_BASE + 0xB000) /* BCM2708 ARM control block */
|
|
+#define PM_BASE (BCM2708_PERI_BASE + 0x100000) /* Power Management, Reset controller and Watchdog registers */
|
|
+#define PCM_CLOCK_BASE (BCM2708_PERI_BASE + 0x101098) /* PCM Clock */
|
|
+#define RNG_BASE (BCM2708_PERI_BASE + 0x104000) /* Hardware RNG */
|
|
+#define GPIO_BASE (BCM2708_PERI_BASE + 0x200000) /* GPIO */
|
|
+#define UART0_BASE (BCM2708_PERI_BASE + 0x201000) /* Uart 0 */
|
|
+#define MMCI0_BASE (BCM2708_PERI_BASE + 0x202000) /* MMC interface */
|
|
+#define I2S_BASE (BCM2708_PERI_BASE + 0x203000) /* I2S */
|
|
+#define SPI0_BASE (BCM2708_PERI_BASE + 0x204000) /* SPI0 */
|
|
+#define BSC0_BASE (BCM2708_PERI_BASE + 0x205000) /* BSC0 I2C/TWI */
|
|
+#define UART1_BASE (BCM2708_PERI_BASE + 0x215000) /* Uart 1 */
|
|
+#define EMMC_BASE (BCM2708_PERI_BASE + 0x300000) /* eMMC interface */
|
|
+#define SMI_BASE (BCM2708_PERI_BASE + 0x600000) /* SMI */
|
|
+#define BSC1_BASE (BCM2708_PERI_BASE + 0x804000) /* BSC1 I2C/TWI */
|
|
+#define USB_BASE (BCM2708_PERI_BASE + 0x980000) /* DTC_OTG USB controller */
|
|
+#define MCORE_BASE (BCM2708_PERI_BASE + 0x0000) /* Fake frame buffer device (actually the multicore sync block*/
|
|
+
|
|
+#define ARMCTRL_BASE (ARM_BASE + 0x000)
|
|
+#define ARMCTRL_IC_BASE (ARM_BASE + 0x200) /* ARM interrupt controller */
|
|
+#define ARMCTRL_TIMER0_1_BASE (ARM_BASE + 0x400) /* Timer 0 and 1 */
|
|
+#define ARMCTRL_0_SBM_BASE (ARM_BASE + 0x800) /* User 0 (ARM)'s Semaphores Doorbells and Mailboxes */
|
|
+
|
|
+
|
|
+/*
|
|
+ * Interrupt assignments
|
|
+ */
|
|
+
|
|
+#define ARM_IRQ1_BASE 0
|
|
+#define INTERRUPT_TIMER0 (ARM_IRQ1_BASE + 0)
|
|
+#define INTERRUPT_TIMER1 (ARM_IRQ1_BASE + 1)
|
|
+#define INTERRUPT_TIMER2 (ARM_IRQ1_BASE + 2)
|
|
+#define INTERRUPT_TIMER3 (ARM_IRQ1_BASE + 3)
|
|
+#define INTERRUPT_CODEC0 (ARM_IRQ1_BASE + 4)
|
|
+#define INTERRUPT_CODEC1 (ARM_IRQ1_BASE + 5)
|
|
+#define INTERRUPT_CODEC2 (ARM_IRQ1_BASE + 6)
|
|
+#define INTERRUPT_VC_JPEG (ARM_IRQ1_BASE + 7)
|
|
+#define INTERRUPT_ISP (ARM_IRQ1_BASE + 8)
|
|
+#define INTERRUPT_VC_USB (ARM_IRQ1_BASE + 9)
|
|
+#define INTERRUPT_VC_3D (ARM_IRQ1_BASE + 10)
|
|
+#define INTERRUPT_TRANSPOSER (ARM_IRQ1_BASE + 11)
|
|
+#define INTERRUPT_MULTICORESYNC0 (ARM_IRQ1_BASE + 12)
|
|
+#define INTERRUPT_MULTICORESYNC1 (ARM_IRQ1_BASE + 13)
|
|
+#define INTERRUPT_MULTICORESYNC2 (ARM_IRQ1_BASE + 14)
|
|
+#define INTERRUPT_MULTICORESYNC3 (ARM_IRQ1_BASE + 15)
|
|
+#define INTERRUPT_DMA0 (ARM_IRQ1_BASE + 16)
|
|
+#define INTERRUPT_DMA1 (ARM_IRQ1_BASE + 17)
|
|
+#define INTERRUPT_VC_DMA2 (ARM_IRQ1_BASE + 18)
|
|
+#define INTERRUPT_VC_DMA3 (ARM_IRQ1_BASE + 19)
|
|
+#define INTERRUPT_DMA4 (ARM_IRQ1_BASE + 20)
|
|
+#define INTERRUPT_DMA5 (ARM_IRQ1_BASE + 21)
|
|
+#define INTERRUPT_DMA6 (ARM_IRQ1_BASE + 22)
|
|
+#define INTERRUPT_DMA7 (ARM_IRQ1_BASE + 23)
|
|
+#define INTERRUPT_DMA8 (ARM_IRQ1_BASE + 24)
|
|
+#define INTERRUPT_DMA9 (ARM_IRQ1_BASE + 25)
|
|
+#define INTERRUPT_DMA10 (ARM_IRQ1_BASE + 26)
|
|
+#define INTERRUPT_DMA11 (ARM_IRQ1_BASE + 27)
|
|
+#define INTERRUPT_DMA12 (ARM_IRQ1_BASE + 28)
|
|
+#define INTERRUPT_AUX (ARM_IRQ1_BASE + 29)
|
|
+#define INTERRUPT_ARM (ARM_IRQ1_BASE + 30)
|
|
+#define INTERRUPT_VPUDMA (ARM_IRQ1_BASE + 31)
|
|
+
|
|
+#define ARM_IRQ2_BASE 32
|
|
+#define INTERRUPT_HOSTPORT (ARM_IRQ2_BASE + 0)
|
|
+#define INTERRUPT_VIDEOSCALER (ARM_IRQ2_BASE + 1)
|
|
+#define INTERRUPT_CCP2TX (ARM_IRQ2_BASE + 2)
|
|
+#define INTERRUPT_SDC (ARM_IRQ2_BASE + 3)
|
|
+#define INTERRUPT_DSI0 (ARM_IRQ2_BASE + 4)
|
|
+#define INTERRUPT_AVE (ARM_IRQ2_BASE + 5)
|
|
+#define INTERRUPT_CAM0 (ARM_IRQ2_BASE + 6)
|
|
+#define INTERRUPT_CAM1 (ARM_IRQ2_BASE + 7)
|
|
+#define INTERRUPT_HDMI0 (ARM_IRQ2_BASE + 8)
|
|
+#define INTERRUPT_HDMI1 (ARM_IRQ2_BASE + 9)
|
|
+#define INTERRUPT_PIXELVALVE1 (ARM_IRQ2_BASE + 10)
|
|
+#define INTERRUPT_I2CSPISLV (ARM_IRQ2_BASE + 11)
|
|
+#define INTERRUPT_DSI1 (ARM_IRQ2_BASE + 12)
|
|
+#define INTERRUPT_PWA0 (ARM_IRQ2_BASE + 13)
|
|
+#define INTERRUPT_PWA1 (ARM_IRQ2_BASE + 14)
|
|
+#define INTERRUPT_CPR (ARM_IRQ2_BASE + 15)
|
|
+#define INTERRUPT_SMI (ARM_IRQ2_BASE + 16)
|
|
+#define INTERRUPT_GPIO0 (ARM_IRQ2_BASE + 17)
|
|
+#define INTERRUPT_GPIO1 (ARM_IRQ2_BASE + 18)
|
|
+#define INTERRUPT_GPIO2 (ARM_IRQ2_BASE + 19)
|
|
+#define INTERRUPT_GPIO3 (ARM_IRQ2_BASE + 20)
|
|
+#define INTERRUPT_VC_I2C (ARM_IRQ2_BASE + 21)
|
|
+#define INTERRUPT_VC_SPI (ARM_IRQ2_BASE + 22)
|
|
+#define INTERRUPT_VC_I2SPCM (ARM_IRQ2_BASE + 23)
|
|
+#define INTERRUPT_VC_SDIO (ARM_IRQ2_BASE + 24)
|
|
+#define INTERRUPT_VC_UART (ARM_IRQ2_BASE + 25)
|
|
+#define INTERRUPT_SLIMBUS (ARM_IRQ2_BASE + 26)
|
|
+#define INTERRUPT_VEC (ARM_IRQ2_BASE + 27)
|
|
+#define INTERRUPT_CPG (ARM_IRQ2_BASE + 28)
|
|
+#define INTERRUPT_RNG (ARM_IRQ2_BASE + 29)
|
|
+#define INTERRUPT_VC_ARASANSDIO (ARM_IRQ2_BASE + 30)
|
|
+#define INTERRUPT_AVSPMON (ARM_IRQ2_BASE + 31)
|
|
+
|
|
+#define ARM_IRQ0_BASE 64
|
|
+#define INTERRUPT_ARM_TIMER (ARM_IRQ0_BASE + 0)
|
|
+#define INTERRUPT_ARM_MAILBOX (ARM_IRQ0_BASE + 1)
|
|
+#define INTERRUPT_ARM_DOORBELL_0 (ARM_IRQ0_BASE + 2)
|
|
+#define INTERRUPT_ARM_DOORBELL_1 (ARM_IRQ0_BASE + 3)
|
|
+#define INTERRUPT_VPU0_HALTED (ARM_IRQ0_BASE + 4)
|
|
+#define INTERRUPT_VPU1_HALTED (ARM_IRQ0_BASE + 5)
|
|
+#define INTERRUPT_ILLEGAL_TYPE0 (ARM_IRQ0_BASE + 6)
|
|
+#define INTERRUPT_ILLEGAL_TYPE1 (ARM_IRQ0_BASE + 7)
|
|
+#define INTERRUPT_PENDING1 (ARM_IRQ0_BASE + 8)
|
|
+#define INTERRUPT_PENDING2 (ARM_IRQ0_BASE + 9)
|
|
+#define INTERRUPT_JPEG (ARM_IRQ0_BASE + 10)
|
|
+#define INTERRUPT_USB (ARM_IRQ0_BASE + 11)
|
|
+#define INTERRUPT_3D (ARM_IRQ0_BASE + 12)
|
|
+#define INTERRUPT_DMA2 (ARM_IRQ0_BASE + 13)
|
|
+#define INTERRUPT_DMA3 (ARM_IRQ0_BASE + 14)
|
|
+#define INTERRUPT_I2C (ARM_IRQ0_BASE + 15)
|
|
+#define INTERRUPT_SPI (ARM_IRQ0_BASE + 16)
|
|
+#define INTERRUPT_I2SPCM (ARM_IRQ0_BASE + 17)
|
|
+#define INTERRUPT_SDIO (ARM_IRQ0_BASE + 18)
|
|
+#define INTERRUPT_UART (ARM_IRQ0_BASE + 19)
|
|
+#define INTERRUPT_ARASANSDIO (ARM_IRQ0_BASE + 20)
|
|
+
|
|
+#define MAXIRQNUM (32 + 32 + 20)
|
|
+#define MAXFIQNUM (32 + 32 + 20)
|
|
+
|
|
+#define MAX_TIMER 2
|
|
+#define MAX_PERIOD 699050
|
|
+#define TICKS_PER_uSEC 1
|
|
+
|
|
+/*
|
|
+ * These are useconds NOT ticks.
|
|
+ *
|
|
+ */
|
|
+#define mSEC_1 1000
|
|
+#define mSEC_5 (mSEC_1 * 5)
|
|
+#define mSEC_10 (mSEC_1 * 10)
|
|
+#define mSEC_25 (mSEC_1 * 25)
|
|
+#define SEC_1 (mSEC_1 * 1000)
|
|
+
|
|
+/*
|
|
+ * Watchdog
|
|
+ */
|
|
+#define PM_RSTC (PM_BASE+0x1c)
|
|
+#define PM_RSTS (PM_BASE+0x20)
|
|
+#define PM_WDOG (PM_BASE+0x24)
|
|
+
|
|
+#define PM_WDOG_RESET 0000000000
|
|
+#define PM_PASSWORD 0x5a000000
|
|
+#define PM_WDOG_TIME_SET 0x000fffff
|
|
+#define PM_RSTC_WRCFG_CLR 0xffffffcf
|
|
+#define PM_RSTC_WRCFG_SET 0x00000030
|
|
+#define PM_RSTC_WRCFG_FULL_RESET 0x00000020
|
|
+#define PM_RSTC_RESET 0x00000102
|
|
+
|
|
+#define PM_RSTS_HADPOR_SET 0x00001000
|
|
+#define PM_RSTS_HADSRH_SET 0x00000400
|
|
+#define PM_RSTS_HADSRF_SET 0x00000200
|
|
+#define PM_RSTS_HADSRQ_SET 0x00000100
|
|
+#define PM_RSTS_HADWRH_SET 0x00000040
|
|
+#define PM_RSTS_HADWRF_SET 0x00000020
|
|
+#define PM_RSTS_HADWRQ_SET 0x00000010
|
|
+#define PM_RSTS_HADDRH_SET 0x00000004
|
|
+#define PM_RSTS_HADDRF_SET 0x00000002
|
|
+#define PM_RSTS_HADDRQ_SET 0x00000001
|
|
+
|
|
+#define UART0_CLOCK 3000000
|
|
+
|
|
+#endif
|
|
+
|
|
+/* END */
|
|
--- /dev/null
|
|
+++ b/arch/arm/mach-bcm2708/include/mach/power.h
|
|
@@ -0,0 +1,26 @@
|
|
+/*
|
|
+ * linux/arch/arm/mach-bcm2708/power.h
|
|
+ *
|
|
+ * Copyright (C) 2010 Broadcom
|
|
+ *
|
|
+ * This program is free software; you can redistribute it and/or modify
|
|
+ * it under the terms of the GNU General Public License version 2 as
|
|
+ * published by the Free Software Foundation.
|
|
+ *
|
|
+ * This device provides a shared mechanism for controlling the power to
|
|
+ * VideoCore subsystems.
|
|
+ */
|
|
+
|
|
+#ifndef _MACH_BCM2708_POWER_H
|
|
+#define _MACH_BCM2708_POWER_H
|
|
+
|
|
+#include <linux/types.h>
|
|
+#include <mach/arm_power.h>
|
|
+
|
|
+typedef unsigned int BCM_POWER_HANDLE_T;
|
|
+
|
|
+extern int bcm_power_open(BCM_POWER_HANDLE_T *handle);
|
|
+extern int bcm_power_request(BCM_POWER_HANDLE_T handle, uint32_t request);
|
|
+extern int bcm_power_close(BCM_POWER_HANDLE_T handle);
|
|
+
|
|
+#endif
|
|
--- /dev/null
|
|
+++ b/arch/arm/mach-bcm2708/include/mach/system.h
|
|
@@ -0,0 +1,38 @@
|
|
+/*
|
|
+ * arch/arm/mach-bcm2708/include/mach/system.h
|
|
+ *
|
|
+ * Copyright (C) 2010 Broadcom
|
|
+ * Copyright (C) 2003 ARM Limited
|
|
+ * Copyright (C) 2000 Deep Blue Solutions Ltd
|
|
+ *
|
|
+ * This program is free software; you can redistribute it and/or modify
|
|
+ * it under the terms of the GNU General Public License as published by
|
|
+ * the Free Software Foundation; either version 2 of the License, or
|
|
+ * (at your option) any later version.
|
|
+ *
|
|
+ * This program is distributed in the hope that it will be useful,
|
|
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
+ * GNU General Public License for more details.
|
|
+ *
|
|
+ * You should have received a copy of the GNU General Public License
|
|
+ * along with this program; if not, write to the Free Software
|
|
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
+ */
|
|
+#ifndef __ASM_ARCH_SYSTEM_H
|
|
+#define __ASM_ARCH_SYSTEM_H
|
|
+
|
|
+#include <linux/io.h>
|
|
+#include <mach/hardware.h>
|
|
+#include <mach/platform.h>
|
|
+
|
|
+static inline void arch_idle(void)
|
|
+{
|
|
+ /*
|
|
+ * This should do all the clock switching
|
|
+ * and wait for interrupt tricks
|
|
+ */
|
|
+ cpu_do_idle();
|
|
+}
|
|
+
|
|
+#endif
|
|
--- /dev/null
|
|
+++ b/arch/arm/mach-bcm2708/include/mach/timex.h
|
|
@@ -0,0 +1,23 @@
|
|
+/*
|
|
+ * arch/arm/mach-bcm2708/include/mach/timex.h
|
|
+ *
|
|
+ * BCM2708 sysem clock frequency
|
|
+ *
|
|
+ * Copyright (C) 2010 Broadcom
|
|
+ *
|
|
+ * This program is free software; you can redistribute it and/or modify
|
|
+ * it under the terms of the GNU General Public License as published by
|
|
+ * the Free Software Foundation; either version 2 of the License, or
|
|
+ * (at your option) any later version.
|
|
+ *
|
|
+ * This program is distributed in the hope that it will be useful,
|
|
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
+ * GNU General Public License for more details.
|
|
+ *
|
|
+ * You should have received a copy of the GNU General Public License
|
|
+ * along with this program; if not, write to the Free Software
|
|
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
+ */
|
|
+
|
|
+#define CLOCK_TICK_RATE (1000000)
|
|
--- /dev/null
|
|
+++ b/arch/arm/mach-bcm2708/include/mach/uncompress.h
|
|
@@ -0,0 +1,84 @@
|
|
+/*
|
|
+ * arch/arm/mach-bcn2708/include/mach/uncompress.h
|
|
+ *
|
|
+ * Copyright (C) 2010 Broadcom
|
|
+ * Copyright (C) 2003 ARM Limited
|
|
+ *
|
|
+ * This program is free software; you can redistribute it and/or modify
|
|
+ * it under the terms of the GNU General Public License as published by
|
|
+ * the Free Software Foundation; either version 2 of the License, or
|
|
+ * (at your option) any later version.
|
|
+ *
|
|
+ * This program is distributed in the hope that it will be useful,
|
|
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
+ * GNU General Public License for more details.
|
|
+ *
|
|
+ * You should have received a copy of the GNU General Public License
|
|
+ * along with this program; if not, write to the Free Software
|
|
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
+ */
|
|
+
|
|
+#include <linux/io.h>
|
|
+#include <linux/amba/serial.h>
|
|
+#include <mach/hardware.h>
|
|
+
|
|
+#define UART_BAUD 115200
|
|
+
|
|
+#define BCM2708_UART_DR __io(UART0_BASE + UART01x_DR)
|
|
+#define BCM2708_UART_FR __io(UART0_BASE + UART01x_FR)
|
|
+#define BCM2708_UART_IBRD __io(UART0_BASE + UART011_IBRD)
|
|
+#define BCM2708_UART_FBRD __io(UART0_BASE + UART011_FBRD)
|
|
+#define BCM2708_UART_LCRH __io(UART0_BASE + UART011_LCRH)
|
|
+#define BCM2708_UART_CR __io(UART0_BASE + UART011_CR)
|
|
+
|
|
+/*
|
|
+ * This does not append a newline
|
|
+ */
|
|
+static inline void putc(int c)
|
|
+{
|
|
+ while (__raw_readl(BCM2708_UART_FR) & UART01x_FR_TXFF)
|
|
+ barrier();
|
|
+
|
|
+ __raw_writel(c, BCM2708_UART_DR);
|
|
+}
|
|
+
|
|
+static inline void flush(void)
|
|
+{
|
|
+ int fr;
|
|
+
|
|
+ do {
|
|
+ fr = __raw_readl(BCM2708_UART_FR);
|
|
+ barrier();
|
|
+ } while ((fr & (UART011_FR_TXFE | UART01x_FR_BUSY)) != UART011_FR_TXFE);
|
|
+}
|
|
+
|
|
+static inline void arch_decomp_setup(void)
|
|
+{
|
|
+ int temp, div, rem, frac;
|
|
+
|
|
+ temp = 16 * UART_BAUD;
|
|
+ div = UART0_CLOCK / temp;
|
|
+ rem = UART0_CLOCK % temp;
|
|
+ temp = (8 * rem) / UART_BAUD;
|
|
+ frac = (temp >> 1) + (temp & 1);
|
|
+
|
|
+ /* Make sure the UART is disabled before we start */
|
|
+ __raw_writel(0, BCM2708_UART_CR);
|
|
+
|
|
+ /* Set the baud rate */
|
|
+ __raw_writel(div, BCM2708_UART_IBRD);
|
|
+ __raw_writel(frac, BCM2708_UART_FBRD);
|
|
+
|
|
+ /* Set the UART to 8n1, FIFO enabled */
|
|
+ __raw_writel(UART01x_LCRH_WLEN_8 | UART01x_LCRH_FEN, BCM2708_UART_LCRH);
|
|
+
|
|
+ /* Enable the UART */
|
|
+ __raw_writel(UART01x_CR_UARTEN | UART011_CR_TXE | UART011_CR_RXE,
|
|
+ BCM2708_UART_CR);
|
|
+}
|
|
+
|
|
+/*
|
|
+ * nothing to do
|
|
+ */
|
|
+#define arch_decomp_wdog()
|
|
--- /dev/null
|
|
+++ b/arch/arm/mach-bcm2708/include/mach/vc_mem.h
|
|
@@ -0,0 +1,35 @@
|
|
+/*****************************************************************************
|
|
+* Copyright 2010 - 2011 Broadcom Corporation. All rights reserved.
|
|
+*
|
|
+* Unless you and Broadcom execute a separate written software license
|
|
+* agreement governing use of this software, this software is licensed to you
|
|
+* under the terms of the GNU General Public License version 2, available at
|
|
+* http://www.broadcom.com/licenses/GPLv2.php (the "GPL").
|
|
+*
|
|
+* Notwithstanding the above, under no circumstances may you combine this
|
|
+* software in any way with any other Broadcom software provided under a
|
|
+* license other than the GPL, without Broadcom's express prior written
|
|
+* consent.
|
|
+*****************************************************************************/
|
|
+
|
|
+#if !defined( VC_MEM_H )
|
|
+#define VC_MEM_H
|
|
+
|
|
+#include <linux/ioctl.h>
|
|
+
|
|
+#define VC_MEM_IOC_MAGIC 'v'
|
|
+
|
|
+#define VC_MEM_IOC_MEM_PHYS_ADDR _IOR( VC_MEM_IOC_MAGIC, 0, unsigned long )
|
|
+#define VC_MEM_IOC_MEM_SIZE _IOR( VC_MEM_IOC_MAGIC, 1, unsigned int )
|
|
+#define VC_MEM_IOC_MEM_BASE _IOR( VC_MEM_IOC_MAGIC, 2, unsigned int )
|
|
+#define VC_MEM_IOC_MEM_LOAD _IOR( VC_MEM_IOC_MAGIC, 3, unsigned int )
|
|
+
|
|
+#if defined( __KERNEL__ )
|
|
+#define VC_MEM_TO_ARM_ADDR_MASK 0x3FFFFFFF
|
|
+
|
|
+extern unsigned long mm_vc_mem_phys_addr;
|
|
+extern unsigned int mm_vc_mem_size;
|
|
+extern int vc_mem_get_current_size( void );
|
|
+#endif
|
|
+
|
|
+#endif /* VC_MEM_H */
|
|
--- /dev/null
|
|
+++ b/arch/arm/mach-bcm2708/include/mach/vcio.h
|
|
@@ -0,0 +1,165 @@
|
|
+/*
|
|
+ * arch/arm/mach-bcm2708/include/mach/vcio.h
|
|
+ *
|
|
+ * Copyright (C) 2010 Broadcom
|
|
+ *
|
|
+ * This program is free software; you can redistribute it and/or modify
|
|
+ * it under the terms of the GNU General Public License as published by
|
|
+ * the Free Software Foundation; either version 2 of the License, or
|
|
+ * (at your option) any later version.
|
|
+ *
|
|
+ * This program is distributed in the hope that it will be useful,
|
|
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
+ * GNU General Public License for more details.
|
|
+ *
|
|
+ * You should have received a copy of the GNU General Public License
|
|
+ * along with this program; if not, write to the Free Software
|
|
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
+ */
|
|
+#ifndef _MACH_BCM2708_VCIO_H
|
|
+#define _MACH_BCM2708_VCIO_H
|
|
+
|
|
+/* Routines to handle I/O via the VideoCore "ARM control" registers
|
|
+ * (semaphores, doorbells, mailboxes)
|
|
+ */
|
|
+
|
|
+#define BCM_VCIO_DRIVER_NAME "bcm2708_vcio"
|
|
+
|
|
+/* Constants shared with the ARM identifying separate mailbox channels */
|
|
+#define MBOX_CHAN_POWER 0 /* for use by the power management interface */
|
|
+#define MBOX_CHAN_FB 1 /* for use by the frame buffer */
|
|
+#define MBOX_CHAN_VCHIQ 3 /* for use by the VCHIQ interface */
|
|
+#define MBOX_CHAN_PROPERTY 8 /* for use by the property channel */
|
|
+#define MBOX_CHAN_COUNT 9
|
|
+
|
|
+enum {
|
|
+ VCMSG_PROCESS_REQUEST = 0x00000000
|
|
+};
|
|
+enum {
|
|
+ VCMSG_REQUEST_SUCCESSFUL = 0x80000000,
|
|
+ VCMSG_REQUEST_FAILED = 0x80000001
|
|
+};
|
|
+/* Mailbox property tags */
|
|
+enum {
|
|
+ VCMSG_PROPERTY_END = 0x00000000,
|
|
+ VCMSG_GET_FIRMWARE_REVISION = 0x00000001,
|
|
+ VCMSG_GET_BOARD_MODEL = 0x00010001,
|
|
+ VCMSG_GET_BOARD_REVISION = 0x00010002,
|
|
+ VCMSG_GET_BOARD_MAC_ADDRESS = 0x00010003,
|
|
+ VCMSG_GET_BOARD_SERIAL = 0x00010004,
|
|
+ VCMSG_GET_ARM_MEMORY = 0x00010005,
|
|
+ VCMSG_GET_VC_MEMORY = 0x00010006,
|
|
+ VCMSG_GET_CLOCKS = 0x00010007,
|
|
+ VCMSG_GET_COMMAND_LINE = 0x00050001,
|
|
+ VCMSG_GET_DMA_CHANNELS = 0x00060001,
|
|
+ VCMSG_GET_POWER_STATE = 0x00020001,
|
|
+ VCMSG_GET_TIMING = 0x00020002,
|
|
+ VCMSG_SET_POWER_STATE = 0x00028001,
|
|
+ VCMSG_GET_CLOCK_STATE = 0x00030001,
|
|
+ VCMSG_SET_CLOCK_STATE = 0x00038001,
|
|
+ VCMSG_GET_CLOCK_RATE = 0x00030002,
|
|
+ VCMSG_SET_CLOCK_RATE = 0x00038002,
|
|
+ VCMSG_GET_VOLTAGE = 0x00030003,
|
|
+ VCMSG_SET_VOLTAGE = 0x00038003,
|
|
+ VCMSG_GET_MAX_CLOCK = 0x00030004,
|
|
+ VCMSG_GET_MAX_VOLTAGE = 0x00030005,
|
|
+ VCMSG_GET_TEMPERATURE = 0x00030006,
|
|
+ VCMSG_GET_MIN_CLOCK = 0x00030007,
|
|
+ VCMSG_GET_MIN_VOLTAGE = 0x00030008,
|
|
+ VCMSG_GET_TURBO = 0x00030009,
|
|
+ VCMSG_GET_MAX_TEMPERATURE = 0x0003000a,
|
|
+ VCMSG_GET_STC = 0x0003000b,
|
|
+ VCMSG_SET_TURBO = 0x00038009,
|
|
+ VCMSG_SET_ALLOCATE_MEM = 0x0003000c,
|
|
+ VCMSG_SET_LOCK_MEM = 0x0003000d,
|
|
+ VCMSG_SET_UNLOCK_MEM = 0x0003000e,
|
|
+ VCMSG_SET_RELEASE_MEM = 0x0003000f,
|
|
+ VCMSG_SET_EXECUTE_CODE = 0x00030010,
|
|
+ VCMSG_SET_EXECUTE_QPU = 0x00030011,
|
|
+ VCMSG_SET_ENABLE_QPU = 0x00030012,
|
|
+ VCMSG_GET_RESOURCE_HANDLE = 0x00030014,
|
|
+ VCMSG_GET_EDID_BLOCK = 0x00030020,
|
|
+ VCMSG_GET_CUSTOMER_OTP = 0x00030021,
|
|
+ VCMSG_SET_CUSTOMER_OTP = 0x00038021,
|
|
+ VCMSG_SET_ALLOCATE_BUFFER = 0x00040001,
|
|
+ VCMSG_SET_RELEASE_BUFFER = 0x00048001,
|
|
+ VCMSG_SET_BLANK_SCREEN = 0x00040002,
|
|
+ VCMSG_TST_BLANK_SCREEN = 0x00044002,
|
|
+ VCMSG_GET_PHYSICAL_WIDTH_HEIGHT = 0x00040003,
|
|
+ VCMSG_TST_PHYSICAL_WIDTH_HEIGHT = 0x00044003,
|
|
+ VCMSG_SET_PHYSICAL_WIDTH_HEIGHT = 0x00048003,
|
|
+ VCMSG_GET_VIRTUAL_WIDTH_HEIGHT = 0x00040004,
|
|
+ VCMSG_TST_VIRTUAL_WIDTH_HEIGHT = 0x00044004,
|
|
+ VCMSG_SET_VIRTUAL_WIDTH_HEIGHT = 0x00048004,
|
|
+ VCMSG_GET_DEPTH = 0x00040005,
|
|
+ VCMSG_TST_DEPTH = 0x00044005,
|
|
+ VCMSG_SET_DEPTH = 0x00048005,
|
|
+ VCMSG_GET_PIXEL_ORDER = 0x00040006,
|
|
+ VCMSG_TST_PIXEL_ORDER = 0x00044006,
|
|
+ VCMSG_SET_PIXEL_ORDER = 0x00048006,
|
|
+ VCMSG_GET_ALPHA_MODE = 0x00040007,
|
|
+ VCMSG_TST_ALPHA_MODE = 0x00044007,
|
|
+ VCMSG_SET_ALPHA_MODE = 0x00048007,
|
|
+ VCMSG_GET_PITCH = 0x00040008,
|
|
+ VCMSG_TST_PITCH = 0x00044008,
|
|
+ VCMSG_SET_PITCH = 0x00048008,
|
|
+ VCMSG_GET_VIRTUAL_OFFSET = 0x00040009,
|
|
+ VCMSG_TST_VIRTUAL_OFFSET = 0x00044009,
|
|
+ VCMSG_SET_VIRTUAL_OFFSET = 0x00048009,
|
|
+ VCMSG_GET_OVERSCAN = 0x0004000a,
|
|
+ VCMSG_TST_OVERSCAN = 0x0004400a,
|
|
+ VCMSG_SET_OVERSCAN = 0x0004800a,
|
|
+ VCMSG_GET_PALETTE = 0x0004000b,
|
|
+ VCMSG_TST_PALETTE = 0x0004400b,
|
|
+ VCMSG_SET_PALETTE = 0x0004800b,
|
|
+ VCMSG_GET_LAYER = 0x0004000c,
|
|
+ VCMSG_TST_LAYER = 0x0004400c,
|
|
+ VCMSG_SET_LAYER = 0x0004800c,
|
|
+ VCMSG_GET_TRANSFORM = 0x0004000d,
|
|
+ VCMSG_TST_TRANSFORM = 0x0004400d,
|
|
+ VCMSG_SET_TRANSFORM = 0x0004800d,
|
|
+ VCMSG_TST_VSYNC = 0x0004400e,
|
|
+ VCMSG_SET_VSYNC = 0x0004800e,
|
|
+ VCMSG_SET_CURSOR_INFO = 0x00008010,
|
|
+ VCMSG_SET_CURSOR_STATE = 0x00008011,
|
|
+};
|
|
+
|
|
+extern int /*rc*/ bcm_mailbox_read(unsigned chan, uint32_t *data28);
|
|
+extern int /*rc*/ bcm_mailbox_write(unsigned chan, uint32_t data28);
|
|
+extern int /*rc*/ bcm_mailbox_property(void *data, int size);
|
|
+
|
|
+#include <linux/ioctl.h>
|
|
+
|
|
+/*
|
|
+ * The major device number. We can't rely on dynamic
|
|
+ * registration any more, because ioctls need to know
|
|
+ * it.
|
|
+ */
|
|
+#define MAJOR_NUM 100
|
|
+
|
|
+/*
|
|
+ * Set the message of the device driver
|
|
+ */
|
|
+#define IOCTL_MBOX_PROPERTY _IOWR(MAJOR_NUM, 0, char *)
|
|
+/*
|
|
+ * _IOWR means that we're creating an ioctl command
|
|
+ * number for passing information from a user process
|
|
+ * to the kernel module and from the kernel module to user process
|
|
+ *
|
|
+ * The first arguments, MAJOR_NUM, is the major device
|
|
+ * number we're using.
|
|
+ *
|
|
+ * The second argument is the number of the command
|
|
+ * (there could be several with different meanings).
|
|
+ *
|
|
+ * The third argument is the type we want to get from
|
|
+ * the process to the kernel.
|
|
+ */
|
|
+
|
|
+/*
|
|
+ * The name of the device file
|
|
+ */
|
|
+#define DEVICE_FILE_NAME "vcio"
|
|
+
|
|
+#endif
|
|
--- /dev/null
|
|
+++ b/arch/arm/mach-bcm2708/include/mach/vmalloc.h
|
|
@@ -0,0 +1,20 @@
|
|
+/*
|
|
+ * arch/arm/mach-bcm2708/include/mach/vmalloc.h
|
|
+ *
|
|
+ * Copyright (C) 2010 Broadcom
|
|
+ *
|
|
+ * This program is free software; you can redistribute it and/or modify
|
|
+ * it under the terms of the GNU General Public License as published by
|
|
+ * the Free Software Foundation; either version 2 of the License, or
|
|
+ * (at your option) any later version.
|
|
+ *
|
|
+ * This program is distributed in the hope that it will be useful,
|
|
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
+ * GNU General Public License for more details.
|
|
+ *
|
|
+ * You should have received a copy of the GNU General Public License
|
|
+ * along with this program; if not, write to the Free Software
|
|
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
+ */
|
|
+#define VMALLOC_END (0xe8000000)
|
|
--- /dev/null
|
|
+++ b/arch/arm/mach-bcm2708/power.c
|
|
@@ -0,0 +1,197 @@
|
|
+/*
|
|
+ * linux/arch/arm/mach-bcm2708/power.c
|
|
+ *
|
|
+ * Copyright (C) 2010 Broadcom
|
|
+ *
|
|
+ * This program is free software; you can redistribute it and/or modify
|
|
+ * it under the terms of the GNU General Public License version 2 as
|
|
+ * published by the Free Software Foundation.
|
|
+ *
|
|
+ * This device provides a shared mechanism for controlling the power to
|
|
+ * VideoCore subsystems.
|
|
+ */
|
|
+
|
|
+#include <linux/module.h>
|
|
+#include <linux/semaphore.h>
|
|
+#include <linux/bug.h>
|
|
+#include <mach/power.h>
|
|
+#include <mach/vcio.h>
|
|
+#include <mach/arm_power.h>
|
|
+
|
|
+#define DRIVER_NAME "bcm2708_power"
|
|
+
|
|
+#define BCM_POWER_MAXCLIENTS 4
|
|
+#define BCM_POWER_NOCLIENT (1<<31)
|
|
+
|
|
+/* Some drivers expect there devices to be permanently powered */
|
|
+
|
|
+#ifdef CONFIG_USB
|
|
+#define BCM_POWER_ALWAYS_ON (BCM_POWER_USB)
|
|
+#endif
|
|
+
|
|
+#if 1
|
|
+#define DPRINTK printk
|
|
+#else
|
|
+#define DPRINTK if (0) printk
|
|
+#endif
|
|
+
|
|
+struct state_struct {
|
|
+ uint32_t global_request;
|
|
+ uint32_t client_request[BCM_POWER_MAXCLIENTS];
|
|
+ struct semaphore client_mutex;
|
|
+ struct semaphore mutex;
|
|
+} g_state;
|
|
+
|
|
+int bcm_power_open(BCM_POWER_HANDLE_T *handle)
|
|
+{
|
|
+ BCM_POWER_HANDLE_T i;
|
|
+ int ret = -EBUSY;
|
|
+
|
|
+ down(&g_state.client_mutex);
|
|
+
|
|
+ for (i = 0; i < BCM_POWER_MAXCLIENTS; i++) {
|
|
+ if (g_state.client_request[i] == BCM_POWER_NOCLIENT) {
|
|
+ g_state.client_request[i] = BCM_POWER_NONE;
|
|
+ *handle = i;
|
|
+ ret = 0;
|
|
+ break;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ up(&g_state.client_mutex);
|
|
+
|
|
+ DPRINTK("bcm_power_open() -> %d\n", *handle);
|
|
+
|
|
+ return ret;
|
|
+}
|
|
+EXPORT_SYMBOL_GPL(bcm_power_open);
|
|
+
|
|
+int bcm_power_request(BCM_POWER_HANDLE_T handle, uint32_t request)
|
|
+{
|
|
+ int rc = 0;
|
|
+
|
|
+ DPRINTK("bcm_power_request(%d, %x)\n", handle, request);
|
|
+
|
|
+ if ((handle < BCM_POWER_MAXCLIENTS) &&
|
|
+ (g_state.client_request[handle] != BCM_POWER_NOCLIENT)) {
|
|
+ if (down_interruptible(&g_state.mutex) != 0) {
|
|
+ DPRINTK("bcm_power_request -> interrupted\n");
|
|
+ return -EINTR;
|
|
+ }
|
|
+
|
|
+ if (request != g_state.client_request[handle]) {
|
|
+ uint32_t others_request = 0;
|
|
+ uint32_t global_request;
|
|
+ BCM_POWER_HANDLE_T i;
|
|
+
|
|
+ for (i = 0; i < BCM_POWER_MAXCLIENTS; i++) {
|
|
+ if (i != handle)
|
|
+ others_request |=
|
|
+ g_state.client_request[i];
|
|
+ }
|
|
+ others_request &= ~BCM_POWER_NOCLIENT;
|
|
+
|
|
+ global_request = request | others_request;
|
|
+ if (global_request != g_state.global_request) {
|
|
+ uint32_t actual;
|
|
+
|
|
+ /* Send a request to VideoCore */
|
|
+ bcm_mailbox_write(MBOX_CHAN_POWER,
|
|
+ global_request << 4);
|
|
+
|
|
+ /* Wait for a response during power-up */
|
|
+ if (global_request & ~g_state.global_request) {
|
|
+ rc = bcm_mailbox_read(MBOX_CHAN_POWER,
|
|
+ &actual);
|
|
+ DPRINTK
|
|
+ ("bcm_mailbox_read -> %08x, %d\n",
|
|
+ actual, rc);
|
|
+ actual >>= 4;
|
|
+ } else {
|
|
+ rc = 0;
|
|
+ actual = global_request;
|
|
+ }
|
|
+
|
|
+ if (rc == 0) {
|
|
+ if (actual != global_request) {
|
|
+ printk(KERN_ERR
|
|
+ "%s: prev global %x, new global %x, actual %x, request %x, others_request %x\n",
|
|
+ __func__,
|
|
+ g_state.global_request,
|
|
+ global_request, actual, request, others_request);
|
|
+ /* A failure */
|
|
+ BUG_ON((others_request & actual)
|
|
+ != others_request);
|
|
+ request &= actual;
|
|
+ rc = -EIO;
|
|
+ }
|
|
+
|
|
+ g_state.global_request = actual;
|
|
+ g_state.client_request[handle] =
|
|
+ request;
|
|
+ }
|
|
+ }
|
|
+ }
|
|
+ up(&g_state.mutex);
|
|
+ } else {
|
|
+ rc = -EINVAL;
|
|
+ }
|
|
+ DPRINTK("bcm_power_request -> %d\n", rc);
|
|
+ return rc;
|
|
+}
|
|
+EXPORT_SYMBOL_GPL(bcm_power_request);
|
|
+
|
|
+int bcm_power_close(BCM_POWER_HANDLE_T handle)
|
|
+{
|
|
+ int rc;
|
|
+
|
|
+ DPRINTK("bcm_power_close(%d)\n", handle);
|
|
+
|
|
+ rc = bcm_power_request(handle, BCM_POWER_NONE);
|
|
+ if (rc == 0)
|
|
+ g_state.client_request[handle] = BCM_POWER_NOCLIENT;
|
|
+
|
|
+ return rc;
|
|
+}
|
|
+EXPORT_SYMBOL_GPL(bcm_power_close);
|
|
+
|
|
+static int __init bcm_power_init(void)
|
|
+{
|
|
+#if defined(BCM_POWER_ALWAYS_ON)
|
|
+ BCM_POWER_HANDLE_T always_on_handle;
|
|
+#endif
|
|
+ int rc = 0;
|
|
+ int i;
|
|
+
|
|
+ printk(KERN_INFO "bcm_power: Broadcom power driver\n");
|
|
+ bcm_mailbox_write(MBOX_CHAN_POWER, 0);
|
|
+
|
|
+ for (i = 0; i < BCM_POWER_MAXCLIENTS; i++)
|
|
+ g_state.client_request[i] = BCM_POWER_NOCLIENT;
|
|
+
|
|
+ sema_init(&g_state.client_mutex, 1);
|
|
+ sema_init(&g_state.mutex, 1);
|
|
+
|
|
+ g_state.global_request = 0;
|
|
+
|
|
+#if defined(BCM_POWER_ALWAYS_ON)
|
|
+ if (BCM_POWER_ALWAYS_ON) {
|
|
+ bcm_power_open(&always_on_handle);
|
|
+ bcm_power_request(always_on_handle, BCM_POWER_ALWAYS_ON);
|
|
+ }
|
|
+#endif
|
|
+
|
|
+ return rc;
|
|
+}
|
|
+
|
|
+static void __exit bcm_power_exit(void)
|
|
+{
|
|
+ bcm_mailbox_write(MBOX_CHAN_POWER, 0);
|
|
+}
|
|
+
|
|
+arch_initcall(bcm_power_init); /* Initialize early */
|
|
+module_exit(bcm_power_exit);
|
|
+
|
|
+MODULE_AUTHOR("Phil Elwell");
|
|
+MODULE_DESCRIPTION("Interface to BCM2708 power management");
|
|
+MODULE_LICENSE("GPL");
|
|
--- /dev/null
|
|
+++ b/arch/arm/mach-bcm2708/vc_mem.c
|
|
@@ -0,0 +1,431 @@
|
|
+/*****************************************************************************
|
|
+* Copyright 2010 - 2011 Broadcom Corporation. All rights reserved.
|
|
+*
|
|
+* Unless you and Broadcom execute a separate written software license
|
|
+* agreement governing use of this software, this software is licensed to you
|
|
+* under the terms of the GNU General Public License version 2, available at
|
|
+* http://www.broadcom.com/licenses/GPLv2.php (the "GPL").
|
|
+*
|
|
+* Notwithstanding the above, under no circumstances may you combine this
|
|
+* software in any way with any other Broadcom software provided under a
|
|
+* license other than the GPL, without Broadcom's express prior written
|
|
+* consent.
|
|
+*****************************************************************************/
|
|
+
|
|
+#include <linux/kernel.h>
|
|
+#include <linux/module.h>
|
|
+#include <linux/fs.h>
|
|
+#include <linux/device.h>
|
|
+#include <linux/cdev.h>
|
|
+#include <linux/mm.h>
|
|
+#include <linux/slab.h>
|
|
+#include <linux/debugfs.h>
|
|
+#include <asm/uaccess.h>
|
|
+#include <linux/dma-mapping.h>
|
|
+
|
|
+#ifdef CONFIG_ARCH_KONA
|
|
+#include <chal/chal_ipc.h>
|
|
+#elif CONFIG_ARCH_BCM2708
|
|
+#else
|
|
+#include <csp/chal_ipc.h>
|
|
+#endif
|
|
+
|
|
+#include "mach/vc_mem.h"
|
|
+#include <mach/vcio.h>
|
|
+
|
|
+#define DRIVER_NAME "vc-mem"
|
|
+
|
|
+// Device (/dev) related variables
|
|
+static dev_t vc_mem_devnum = 0;
|
|
+static struct class *vc_mem_class = NULL;
|
|
+static struct cdev vc_mem_cdev;
|
|
+static int vc_mem_inited = 0;
|
|
+
|
|
+#ifdef CONFIG_DEBUG_FS
|
|
+static struct dentry *vc_mem_debugfs_entry;
|
|
+#endif
|
|
+
|
|
+/*
|
|
+ * Videocore memory addresses and size
|
|
+ *
|
|
+ * Drivers that wish to know the videocore memory addresses and sizes should
|
|
+ * use these variables instead of the MM_IO_BASE and MM_ADDR_IO defines in
|
|
+ * headers. This allows the other drivers to not be tied down to a a certain
|
|
+ * address/size at compile time.
|
|
+ *
|
|
+ * In the future, the goal is to have the videocore memory virtual address and
|
|
+ * size be calculated at boot time rather than at compile time. The decision of
|
|
+ * where the videocore memory resides and its size would be in the hands of the
|
|
+ * bootloader (and/or kernel). When that happens, the values of these variables
|
|
+ * would be calculated and assigned in the init function.
|
|
+ */
|
|
+// in the 2835 VC in mapped above ARM, but ARM has full access to VC space
|
|
+unsigned long mm_vc_mem_phys_addr = 0x00000000;
|
|
+unsigned int mm_vc_mem_size = 0;
|
|
+unsigned int mm_vc_mem_base = 0;
|
|
+
|
|
+EXPORT_SYMBOL(mm_vc_mem_phys_addr);
|
|
+EXPORT_SYMBOL(mm_vc_mem_size);
|
|
+EXPORT_SYMBOL(mm_vc_mem_base);
|
|
+
|
|
+static uint phys_addr = 0;
|
|
+static uint mem_size = 0;
|
|
+static uint mem_base = 0;
|
|
+
|
|
+
|
|
+/****************************************************************************
|
|
+*
|
|
+* vc_mem_open
|
|
+*
|
|
+***************************************************************************/
|
|
+
|
|
+static int
|
|
+vc_mem_open(struct inode *inode, struct file *file)
|
|
+{
|
|
+ (void) inode;
|
|
+ (void) file;
|
|
+
|
|
+ pr_debug("%s: called file = 0x%p\n", __func__, file);
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+/****************************************************************************
|
|
+*
|
|
+* vc_mem_release
|
|
+*
|
|
+***************************************************************************/
|
|
+
|
|
+static int
|
|
+vc_mem_release(struct inode *inode, struct file *file)
|
|
+{
|
|
+ (void) inode;
|
|
+ (void) file;
|
|
+
|
|
+ pr_debug("%s: called file = 0x%p\n", __func__, file);
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+/****************************************************************************
|
|
+*
|
|
+* vc_mem_get_size
|
|
+*
|
|
+***************************************************************************/
|
|
+
|
|
+static void
|
|
+vc_mem_get_size(void)
|
|
+{
|
|
+}
|
|
+
|
|
+/****************************************************************************
|
|
+*
|
|
+* vc_mem_get_base
|
|
+*
|
|
+***************************************************************************/
|
|
+
|
|
+static void
|
|
+vc_mem_get_base(void)
|
|
+{
|
|
+}
|
|
+
|
|
+/****************************************************************************
|
|
+*
|
|
+* vc_mem_get_current_size
|
|
+*
|
|
+***************************************************************************/
|
|
+
|
|
+int
|
|
+vc_mem_get_current_size(void)
|
|
+{
|
|
+ return mm_vc_mem_size;
|
|
+}
|
|
+
|
|
+EXPORT_SYMBOL_GPL(vc_mem_get_current_size);
|
|
+
|
|
+/****************************************************************************
|
|
+*
|
|
+* vc_mem_ioctl
|
|
+*
|
|
+***************************************************************************/
|
|
+
|
|
+static long
|
|
+vc_mem_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
|
|
+{
|
|
+ int rc = 0;
|
|
+
|
|
+ (void) cmd;
|
|
+ (void) arg;
|
|
+
|
|
+ pr_debug("%s: called file = 0x%p\n", __func__, file);
|
|
+
|
|
+ switch (cmd) {
|
|
+ case VC_MEM_IOC_MEM_PHYS_ADDR:
|
|
+ {
|
|
+ pr_debug("%s: VC_MEM_IOC_MEM_PHYS_ADDR=0x%p\n",
|
|
+ __func__, (void *) mm_vc_mem_phys_addr);
|
|
+
|
|
+ if (copy_to_user((void *) arg, &mm_vc_mem_phys_addr,
|
|
+ sizeof (mm_vc_mem_phys_addr)) != 0) {
|
|
+ rc = -EFAULT;
|
|
+ }
|
|
+ break;
|
|
+ }
|
|
+ case VC_MEM_IOC_MEM_SIZE:
|
|
+ {
|
|
+ // Get the videocore memory size first
|
|
+ vc_mem_get_size();
|
|
+
|
|
+ pr_debug("%s: VC_MEM_IOC_MEM_SIZE=%u\n", __func__,
|
|
+ mm_vc_mem_size);
|
|
+
|
|
+ if (copy_to_user((void *) arg, &mm_vc_mem_size,
|
|
+ sizeof (mm_vc_mem_size)) != 0) {
|
|
+ rc = -EFAULT;
|
|
+ }
|
|
+ break;
|
|
+ }
|
|
+ case VC_MEM_IOC_MEM_BASE:
|
|
+ {
|
|
+ // Get the videocore memory base
|
|
+ vc_mem_get_base();
|
|
+
|
|
+ pr_debug("%s: VC_MEM_IOC_MEM_BASE=%u\n", __func__,
|
|
+ mm_vc_mem_base);
|
|
+
|
|
+ if (copy_to_user((void *) arg, &mm_vc_mem_base,
|
|
+ sizeof (mm_vc_mem_base)) != 0) {
|
|
+ rc = -EFAULT;
|
|
+ }
|
|
+ break;
|
|
+ }
|
|
+ case VC_MEM_IOC_MEM_LOAD:
|
|
+ {
|
|
+ // Get the videocore memory base
|
|
+ vc_mem_get_base();
|
|
+
|
|
+ pr_debug("%s: VC_MEM_IOC_MEM_LOAD=%u\n", __func__,
|
|
+ mm_vc_mem_base);
|
|
+
|
|
+ if (copy_to_user((void *) arg, &mm_vc_mem_base,
|
|
+ sizeof (mm_vc_mem_base)) != 0) {
|
|
+ rc = -EFAULT;
|
|
+ }
|
|
+ break;
|
|
+ }
|
|
+ default:
|
|
+ {
|
|
+ return -ENOTTY;
|
|
+ }
|
|
+ }
|
|
+ pr_debug("%s: file = 0x%p returning %d\n", __func__, file, rc);
|
|
+
|
|
+ return rc;
|
|
+}
|
|
+
|
|
+/****************************************************************************
|
|
+*
|
|
+* vc_mem_mmap
|
|
+*
|
|
+***************************************************************************/
|
|
+
|
|
+static int
|
|
+vc_mem_mmap(struct file *filp, struct vm_area_struct *vma)
|
|
+{
|
|
+ int rc = 0;
|
|
+ unsigned long length = vma->vm_end - vma->vm_start;
|
|
+ unsigned long offset = vma->vm_pgoff << PAGE_SHIFT;
|
|
+
|
|
+ pr_debug("%s: vm_start = 0x%08lx vm_end = 0x%08lx vm_pgoff = 0x%08lx\n",
|
|
+ __func__, (long) vma->vm_start, (long) vma->vm_end,
|
|
+ (long) vma->vm_pgoff);
|
|
+
|
|
+ if (offset + length > mm_vc_mem_size) {
|
|
+ pr_err("%s: length %ld is too big\n", __func__, length);
|
|
+ return -EINVAL;
|
|
+ }
|
|
+ // Do not cache the memory map
|
|
+ vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
|
|
+
|
|
+ rc = remap_pfn_range(vma, vma->vm_start,
|
|
+ (mm_vc_mem_phys_addr >> PAGE_SHIFT) +
|
|
+ vma->vm_pgoff, length, vma->vm_page_prot);
|
|
+ if (rc != 0) {
|
|
+ pr_err("%s: remap_pfn_range failed (rc=%d)\n", __func__, rc);
|
|
+ }
|
|
+
|
|
+ return rc;
|
|
+}
|
|
+
|
|
+/****************************************************************************
|
|
+*
|
|
+* File Operations for the driver.
|
|
+*
|
|
+***************************************************************************/
|
|
+
|
|
+static const struct file_operations vc_mem_fops = {
|
|
+ .owner = THIS_MODULE,
|
|
+ .open = vc_mem_open,
|
|
+ .release = vc_mem_release,
|
|
+ .unlocked_ioctl = vc_mem_ioctl,
|
|
+ .mmap = vc_mem_mmap,
|
|
+};
|
|
+
|
|
+#ifdef CONFIG_DEBUG_FS
|
|
+static void vc_mem_debugfs_deinit(void)
|
|
+{
|
|
+ debugfs_remove_recursive(vc_mem_debugfs_entry);
|
|
+ vc_mem_debugfs_entry = NULL;
|
|
+}
|
|
+
|
|
+
|
|
+static int vc_mem_debugfs_init(
|
|
+ struct device *dev)
|
|
+{
|
|
+ vc_mem_debugfs_entry = debugfs_create_dir(DRIVER_NAME, NULL);
|
|
+ if (!vc_mem_debugfs_entry) {
|
|
+ dev_warn(dev, "could not create debugfs entry\n");
|
|
+ return -EFAULT;
|
|
+ }
|
|
+
|
|
+ if (!debugfs_create_x32("vc_mem_phys_addr",
|
|
+ 0444,
|
|
+ vc_mem_debugfs_entry,
|
|
+ (u32 *)&mm_vc_mem_phys_addr)) {
|
|
+ dev_warn(dev, "%s:could not create vc_mem_phys entry\n",
|
|
+ __func__);
|
|
+ goto fail;
|
|
+ }
|
|
+
|
|
+ if (!debugfs_create_x32("vc_mem_size",
|
|
+ 0444,
|
|
+ vc_mem_debugfs_entry,
|
|
+ (u32 *)&mm_vc_mem_size)) {
|
|
+ dev_warn(dev, "%s:could not create vc_mem_size entry\n",
|
|
+ __func__);
|
|
+ goto fail;
|
|
+ }
|
|
+
|
|
+ if (!debugfs_create_x32("vc_mem_base",
|
|
+ 0444,
|
|
+ vc_mem_debugfs_entry,
|
|
+ (u32 *)&mm_vc_mem_base)) {
|
|
+ dev_warn(dev, "%s:could not create vc_mem_base entry\n",
|
|
+ __func__);
|
|
+ goto fail;
|
|
+ }
|
|
+
|
|
+ return 0;
|
|
+
|
|
+fail:
|
|
+ vc_mem_debugfs_deinit();
|
|
+ return -EFAULT;
|
|
+}
|
|
+
|
|
+#endif /* CONFIG_DEBUG_FS */
|
|
+
|
|
+
|
|
+/****************************************************************************
|
|
+*
|
|
+* vc_mem_init
|
|
+*
|
|
+***************************************************************************/
|
|
+
|
|
+static int __init
|
|
+vc_mem_init(void)
|
|
+{
|
|
+ int rc = -EFAULT;
|
|
+ struct device *dev;
|
|
+
|
|
+ pr_debug("%s: called\n", __func__);
|
|
+
|
|
+ mm_vc_mem_phys_addr = phys_addr;
|
|
+ mm_vc_mem_size = mem_size;
|
|
+ mm_vc_mem_base = mem_base;
|
|
+
|
|
+ vc_mem_get_size();
|
|
+
|
|
+ pr_info("vc-mem: phys_addr:0x%08lx mem_base=0x%08x mem_size:0x%08x(%u MiB)\n",
|
|
+ mm_vc_mem_phys_addr, mm_vc_mem_base, mm_vc_mem_size, mm_vc_mem_size / (1024 * 1024));
|
|
+
|
|
+ if ((rc = alloc_chrdev_region(&vc_mem_devnum, 0, 1, DRIVER_NAME)) < 0) {
|
|
+ pr_err("%s: alloc_chrdev_region failed (rc=%d)\n",
|
|
+ __func__, rc);
|
|
+ goto out_err;
|
|
+ }
|
|
+
|
|
+ cdev_init(&vc_mem_cdev, &vc_mem_fops);
|
|
+ if ((rc = cdev_add(&vc_mem_cdev, vc_mem_devnum, 1)) != 0) {
|
|
+ pr_err("%s: cdev_add failed (rc=%d)\n", __func__, rc);
|
|
+ goto out_unregister;
|
|
+ }
|
|
+
|
|
+ vc_mem_class = class_create(THIS_MODULE, DRIVER_NAME);
|
|
+ if (IS_ERR(vc_mem_class)) {
|
|
+ rc = PTR_ERR(vc_mem_class);
|
|
+ pr_err("%s: class_create failed (rc=%d)\n", __func__, rc);
|
|
+ goto out_cdev_del;
|
|
+ }
|
|
+
|
|
+ dev = device_create(vc_mem_class, NULL, vc_mem_devnum, NULL,
|
|
+ DRIVER_NAME);
|
|
+ if (IS_ERR(dev)) {
|
|
+ rc = PTR_ERR(dev);
|
|
+ pr_err("%s: device_create failed (rc=%d)\n", __func__, rc);
|
|
+ goto out_class_destroy;
|
|
+ }
|
|
+
|
|
+#ifdef CONFIG_DEBUG_FS
|
|
+ /* don't fail if the debug entries cannot be created */
|
|
+ vc_mem_debugfs_init(dev);
|
|
+#endif
|
|
+
|
|
+ vc_mem_inited = 1;
|
|
+ return 0;
|
|
+
|
|
+ device_destroy(vc_mem_class, vc_mem_devnum);
|
|
+
|
|
+ out_class_destroy:
|
|
+ class_destroy(vc_mem_class);
|
|
+ vc_mem_class = NULL;
|
|
+
|
|
+ out_cdev_del:
|
|
+ cdev_del(&vc_mem_cdev);
|
|
+
|
|
+ out_unregister:
|
|
+ unregister_chrdev_region(vc_mem_devnum, 1);
|
|
+
|
|
+ out_err:
|
|
+ return -1;
|
|
+}
|
|
+
|
|
+/****************************************************************************
|
|
+*
|
|
+* vc_mem_exit
|
|
+*
|
|
+***************************************************************************/
|
|
+
|
|
+static void __exit
|
|
+vc_mem_exit(void)
|
|
+{
|
|
+ pr_debug("%s: called\n", __func__);
|
|
+
|
|
+ if (vc_mem_inited) {
|
|
+#if CONFIG_DEBUG_FS
|
|
+ vc_mem_debugfs_deinit();
|
|
+#endif
|
|
+ device_destroy(vc_mem_class, vc_mem_devnum);
|
|
+ class_destroy(vc_mem_class);
|
|
+ cdev_del(&vc_mem_cdev);
|
|
+ unregister_chrdev_region(vc_mem_devnum, 1);
|
|
+ }
|
|
+}
|
|
+
|
|
+module_init(vc_mem_init);
|
|
+module_exit(vc_mem_exit);
|
|
+MODULE_LICENSE("GPL");
|
|
+MODULE_AUTHOR("Broadcom Corporation");
|
|
+
|
|
+module_param(phys_addr, uint, 0644);
|
|
+module_param(mem_size, uint, 0644);
|
|
+module_param(mem_base, uint, 0644);
|
|
--- /dev/null
|
|
+++ b/arch/arm/mach-bcm2708/vcio.c
|
|
@@ -0,0 +1,474 @@
|
|
+/*
|
|
+ * linux/arch/arm/mach-bcm2708/vcio.c
|
|
+ *
|
|
+ * Copyright (C) 2010 Broadcom
|
|
+ *
|
|
+ * This program is free software; you can redistribute it and/or modify
|
|
+ * it under the terms of the GNU General Public License version 2 as
|
|
+ * published by the Free Software Foundation.
|
|
+ *
|
|
+ * This device provides a shared mechanism for writing to the mailboxes,
|
|
+ * semaphores, doorbells etc. that are shared between the ARM and the
|
|
+ * VideoCore processor
|
|
+ */
|
|
+
|
|
+#if defined(CONFIG_SERIAL_BCM_MBOX_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ)
|
|
+#define SUPPORT_SYSRQ
|
|
+#endif
|
|
+
|
|
+#include <linux/module.h>
|
|
+#include <linux/console.h>
|
|
+#include <linux/serial_core.h>
|
|
+#include <linux/serial.h>
|
|
+#include <linux/errno.h>
|
|
+#include <linux/device.h>
|
|
+#include <linux/init.h>
|
|
+#include <linux/mm.h>
|
|
+#include <linux/dma-mapping.h>
|
|
+#include <linux/platform_device.h>
|
|
+#include <linux/sysrq.h>
|
|
+#include <linux/delay.h>
|
|
+#include <linux/slab.h>
|
|
+#include <linux/interrupt.h>
|
|
+#include <linux/irq.h>
|
|
+
|
|
+#include <linux/io.h>
|
|
+
|
|
+#include <mach/vcio.h>
|
|
+#include <mach/platform.h>
|
|
+
|
|
+#include <asm/uaccess.h>
|
|
+
|
|
+
|
|
+#define DRIVER_NAME BCM_VCIO_DRIVER_NAME
|
|
+
|
|
+/* ----------------------------------------------------------------------
|
|
+ * Mailbox
|
|
+ * -------------------------------------------------------------------- */
|
|
+
|
|
+/* offsets from a mail box base address */
|
|
+#define MAIL_WRT 0x00 /* write - and next 4 words */
|
|
+#define MAIL_RD 0x00 /* read - and next 4 words */
|
|
+#define MAIL_POL 0x10 /* read without popping the fifo */
|
|
+#define MAIL_SND 0x14 /* sender ID (bottom two bits) */
|
|
+#define MAIL_STA 0x18 /* status */
|
|
+#define MAIL_CNF 0x1C /* configuration */
|
|
+
|
|
+#define MBOX_MSG(chan, data28) (((data28) & ~0xf) | ((chan) & 0xf))
|
|
+#define MBOX_MSG_LSB(chan, data28) (((data28) << 4) | ((chan) & 0xf))
|
|
+#define MBOX_CHAN(msg) ((msg) & 0xf)
|
|
+#define MBOX_DATA28(msg) ((msg) & ~0xf)
|
|
+#define MBOX_DATA28_LSB(msg) (((uint32_t)msg) >> 4)
|
|
+
|
|
+#define MBOX_MAGIC 0xd0d0c0de
|
|
+
|
|
+struct vc_mailbox {
|
|
+ struct device *dev; /* parent device */
|
|
+ void __iomem *status;
|
|
+ void __iomem *config;
|
|
+ void __iomem *read;
|
|
+ void __iomem *write;
|
|
+ uint32_t msg[MBOX_CHAN_COUNT];
|
|
+ struct semaphore sema[MBOX_CHAN_COUNT];
|
|
+ uint32_t magic;
|
|
+};
|
|
+
|
|
+static void mbox_init(struct vc_mailbox *mbox_out, struct device *dev,
|
|
+ uint32_t addr_mbox)
|
|
+{
|
|
+ int i;
|
|
+
|
|
+ mbox_out->dev = dev;
|
|
+ mbox_out->status = __io_address(addr_mbox + MAIL_STA);
|
|
+ mbox_out->config = __io_address(addr_mbox + MAIL_CNF);
|
|
+ mbox_out->read = __io_address(addr_mbox + MAIL_RD);
|
|
+ /* Write to the other mailbox */
|
|
+ mbox_out->write =
|
|
+ __io_address((addr_mbox ^ ARM_0_MAIL0_WRT ^ ARM_0_MAIL1_WRT) +
|
|
+ MAIL_WRT);
|
|
+
|
|
+ for (i = 0; i < MBOX_CHAN_COUNT; i++) {
|
|
+ mbox_out->msg[i] = 0;
|
|
+ sema_init(&mbox_out->sema[i], 0);
|
|
+ }
|
|
+
|
|
+ /* Enable the interrupt on data reception */
|
|
+ writel(ARM_MC_IHAVEDATAIRQEN, mbox_out->config);
|
|
+
|
|
+ mbox_out->magic = MBOX_MAGIC;
|
|
+}
|
|
+
|
|
+static int mbox_write(struct vc_mailbox *mbox, unsigned chan, uint32_t data28)
|
|
+{
|
|
+ int rc;
|
|
+
|
|
+ if (mbox->magic != MBOX_MAGIC)
|
|
+ rc = -EINVAL;
|
|
+ else {
|
|
+ /* wait for the mailbox FIFO to have some space in it */
|
|
+ while (0 != (readl(mbox->status) & ARM_MS_FULL))
|
|
+ cpu_relax();
|
|
+
|
|
+ writel(MBOX_MSG(chan, data28), mbox->write);
|
|
+ rc = 0;
|
|
+ }
|
|
+ return rc;
|
|
+}
|
|
+
|
|
+static int mbox_read(struct vc_mailbox *mbox, unsigned chan, uint32_t *data28)
|
|
+{
|
|
+ int rc;
|
|
+
|
|
+ if (mbox->magic != MBOX_MAGIC)
|
|
+ rc = -EINVAL;
|
|
+ else {
|
|
+ down(&mbox->sema[chan]);
|
|
+ *data28 = MBOX_DATA28(mbox->msg[chan]);
|
|
+ mbox->msg[chan] = 0;
|
|
+ rc = 0;
|
|
+ }
|
|
+ return rc;
|
|
+}
|
|
+
|
|
+static irqreturn_t mbox_irq(int irq, void *dev_id)
|
|
+{
|
|
+ /* wait for the mailbox FIFO to have some data in it */
|
|
+ struct vc_mailbox *mbox = (struct vc_mailbox *) dev_id;
|
|
+ int status = readl(mbox->status);
|
|
+ int ret = IRQ_NONE;
|
|
+
|
|
+ while (!(status & ARM_MS_EMPTY)) {
|
|
+ uint32_t msg = readl(mbox->read);
|
|
+ int chan = MBOX_CHAN(msg);
|
|
+ if (chan < MBOX_CHAN_COUNT) {
|
|
+ if (mbox->msg[chan]) {
|
|
+ /* Overflow */
|
|
+ printk(KERN_ERR DRIVER_NAME
|
|
+ ": mbox chan %d overflow - drop %08x\n",
|
|
+ chan, msg);
|
|
+ } else {
|
|
+ mbox->msg[chan] = (msg | 0xf);
|
|
+ up(&mbox->sema[chan]);
|
|
+ }
|
|
+ } else {
|
|
+ printk(KERN_ERR DRIVER_NAME
|
|
+ ": invalid channel selector (msg %08x)\n", msg);
|
|
+ }
|
|
+ ret = IRQ_HANDLED;
|
|
+ status = readl(mbox->status);
|
|
+ }
|
|
+ return ret;
|
|
+}
|
|
+
|
|
+static struct irqaction mbox_irqaction = {
|
|
+ .name = "ARM Mailbox IRQ",
|
|
+ .flags = IRQF_DISABLED | IRQF_IRQPOLL,
|
|
+ .handler = mbox_irq,
|
|
+};
|
|
+
|
|
+/* ----------------------------------------------------------------------
|
|
+ * Mailbox Methods
|
|
+ * -------------------------------------------------------------------- */
|
|
+
|
|
+static struct device *mbox_dev; /* we assume there's only one! */
|
|
+
|
|
+static int dev_mbox_write(struct device *dev, unsigned chan, uint32_t data28)
|
|
+{
|
|
+ int rc;
|
|
+
|
|
+ struct vc_mailbox *mailbox = dev_get_drvdata(dev);
|
|
+ device_lock(dev);
|
|
+ rc = mbox_write(mailbox, chan, data28);
|
|
+ device_unlock(dev);
|
|
+
|
|
+ return rc;
|
|
+}
|
|
+
|
|
+static int dev_mbox_read(struct device *dev, unsigned chan, uint32_t *data28)
|
|
+{
|
|
+ int rc;
|
|
+
|
|
+ struct vc_mailbox *mailbox = dev_get_drvdata(dev);
|
|
+ device_lock(dev);
|
|
+ rc = mbox_read(mailbox, chan, data28);
|
|
+ device_unlock(dev);
|
|
+
|
|
+ return rc;
|
|
+}
|
|
+
|
|
+extern int bcm_mailbox_write(unsigned chan, uint32_t data28)
|
|
+{
|
|
+ if (mbox_dev)
|
|
+ return dev_mbox_write(mbox_dev, chan, data28);
|
|
+ else
|
|
+ return -ENODEV;
|
|
+}
|
|
+EXPORT_SYMBOL_GPL(bcm_mailbox_write);
|
|
+
|
|
+extern int bcm_mailbox_read(unsigned chan, uint32_t *data28)
|
|
+{
|
|
+ if (mbox_dev)
|
|
+ return dev_mbox_read(mbox_dev, chan, data28);
|
|
+ else
|
|
+ return -ENODEV;
|
|
+}
|
|
+EXPORT_SYMBOL_GPL(bcm_mailbox_read);
|
|
+
|
|
+static void dev_mbox_register(const char *dev_name, struct device *dev)
|
|
+{
|
|
+ mbox_dev = dev;
|
|
+}
|
|
+
|
|
+static int mbox_copy_from_user(void *dst, const void *src, int size)
|
|
+{
|
|
+ if ( (uint32_t)src < TASK_SIZE)
|
|
+ {
|
|
+ return copy_from_user(dst, src, size);
|
|
+ }
|
|
+ else
|
|
+ {
|
|
+ memcpy( dst, src, size );
|
|
+ return 0;
|
|
+ }
|
|
+}
|
|
+
|
|
+static int mbox_copy_to_user(void *dst, const void *src, int size)
|
|
+{
|
|
+ if ( (uint32_t)dst < TASK_SIZE)
|
|
+ {
|
|
+ return copy_to_user(dst, src, size);
|
|
+ }
|
|
+ else
|
|
+ {
|
|
+ memcpy( dst, src, size );
|
|
+ return 0;
|
|
+ }
|
|
+}
|
|
+
|
|
+static DEFINE_MUTEX(mailbox_lock);
|
|
+extern int bcm_mailbox_property(void *data, int size)
|
|
+{
|
|
+ uint32_t success;
|
|
+ dma_addr_t mem_bus; /* the memory address accessed from videocore */
|
|
+ void *mem_kern; /* the memory address accessed from driver */
|
|
+ int s = 0;
|
|
+
|
|
+ mutex_lock(&mailbox_lock);
|
|
+ /* allocate some memory for the messages communicating with GPU */
|
|
+ mem_kern = dma_alloc_coherent(NULL, PAGE_ALIGN(size), &mem_bus, GFP_ATOMIC);
|
|
+ if (mem_kern) {
|
|
+ /* create the message */
|
|
+ mbox_copy_from_user(mem_kern, data, size);
|
|
+
|
|
+ /* send the message */
|
|
+ wmb();
|
|
+ s = bcm_mailbox_write(MBOX_CHAN_PROPERTY, (uint32_t)mem_bus);
|
|
+ if (s == 0) {
|
|
+ s = bcm_mailbox_read(MBOX_CHAN_PROPERTY, &success);
|
|
+ }
|
|
+ if (s == 0) {
|
|
+ /* copy the response */
|
|
+ rmb();
|
|
+ mbox_copy_to_user(data, mem_kern, size);
|
|
+ }
|
|
+ dma_free_coherent(NULL, PAGE_ALIGN(size), mem_kern, mem_bus);
|
|
+ } else {
|
|
+ s = -ENOMEM;
|
|
+ }
|
|
+ if (s != 0)
|
|
+ printk(KERN_ERR DRIVER_NAME ": %s failed (%d)\n", __func__, s);
|
|
+
|
|
+ mutex_unlock(&mailbox_lock);
|
|
+ return s;
|
|
+}
|
|
+EXPORT_SYMBOL_GPL(bcm_mailbox_property);
|
|
+
|
|
+/* ----------------------------------------------------------------------
|
|
+ * Platform Device for Mailbox
|
|
+ * -------------------------------------------------------------------- */
|
|
+
|
|
+/*
|
|
+ * Is the device open right now? Used to prevent
|
|
+ * concurent access into the same device
|
|
+ */
|
|
+static int Device_Open = 0;
|
|
+
|
|
+/*
|
|
+ * This is called whenever a process attempts to open the device file
|
|
+ */
|
|
+static int device_open(struct inode *inode, struct file *file)
|
|
+{
|
|
+ /*
|
|
+ * We don't want to talk to two processes at the same time
|
|
+ */
|
|
+ if (Device_Open)
|
|
+ return -EBUSY;
|
|
+
|
|
+ Device_Open++;
|
|
+ /*
|
|
+ * Initialize the message
|
|
+ */
|
|
+ try_module_get(THIS_MODULE);
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int device_release(struct inode *inode, struct file *file)
|
|
+{
|
|
+ /*
|
|
+ * We're now ready for our next caller
|
|
+ */
|
|
+ Device_Open--;
|
|
+
|
|
+ module_put(THIS_MODULE);
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+/*
|
|
+ * This function is called whenever a process tries to do an ioctl on our
|
|
+ * device file. We get two extra parameters (additional to the inode and file
|
|
+ * structures, which all device functions get): the number of the ioctl called
|
|
+ * and the parameter given to the ioctl function.
|
|
+ *
|
|
+ * If the ioctl is write or read/write (meaning output is returned to the
|
|
+ * calling process), the ioctl call returns the output of this function.
|
|
+ *
|
|
+ */
|
|
+static long device_ioctl(struct file *file, /* see include/linux/fs.h */
|
|
+ unsigned int ioctl_num, /* number and param for ioctl */
|
|
+ unsigned long ioctl_param)
|
|
+{
|
|
+ unsigned size;
|
|
+ /*
|
|
+ * Switch according to the ioctl called
|
|
+ */
|
|
+ switch (ioctl_num) {
|
|
+ case IOCTL_MBOX_PROPERTY:
|
|
+ /*
|
|
+ * Receive a pointer to a message (in user space) and set that
|
|
+ * to be the device's message. Get the parameter given to
|
|
+ * ioctl by the process.
|
|
+ */
|
|
+ mbox_copy_from_user(&size, (void *)ioctl_param, sizeof size);
|
|
+ return bcm_mailbox_property((void *)ioctl_param, size);
|
|
+ break;
|
|
+ default:
|
|
+ printk(KERN_ERR DRIVER_NAME "unknown ioctl: %d\n", ioctl_num);
|
|
+ return -EINVAL;
|
|
+ }
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+/* Module Declarations */
|
|
+
|
|
+/*
|
|
+ * This structure will hold the functions to be called
|
|
+ * when a process does something to the device we
|
|
+ * created. Since a pointer to this structure is kept in
|
|
+ * the devices table, it can't be local to
|
|
+ * init_module. NULL is for unimplemented functios.
|
|
+ */
|
|
+struct file_operations fops = {
|
|
+ .unlocked_ioctl = device_ioctl,
|
|
+ .open = device_open,
|
|
+ .release = device_release, /* a.k.a. close */
|
|
+};
|
|
+
|
|
+static int bcm_vcio_probe(struct platform_device *pdev)
|
|
+{
|
|
+ int ret = 0;
|
|
+ struct vc_mailbox *mailbox;
|
|
+
|
|
+ mailbox = kzalloc(sizeof(*mailbox), GFP_KERNEL);
|
|
+ if (NULL == mailbox) {
|
|
+ printk(KERN_ERR DRIVER_NAME ": failed to allocate "
|
|
+ "mailbox memory\n");
|
|
+ ret = -ENOMEM;
|
|
+ } else {
|
|
+ struct resource *res;
|
|
+
|
|
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
|
|
+ if (res == NULL) {
|
|
+ printk(KERN_ERR DRIVER_NAME ": failed to obtain memory "
|
|
+ "resource\n");
|
|
+ ret = -ENODEV;
|
|
+ kfree(mailbox);
|
|
+ } else {
|
|
+ /* should be based on the registers from res really */
|
|
+ mbox_init(mailbox, &pdev->dev, ARM_0_MAIL0_RD);
|
|
+
|
|
+ platform_set_drvdata(pdev, mailbox);
|
|
+ dev_mbox_register(DRIVER_NAME, &pdev->dev);
|
|
+
|
|
+ mbox_irqaction.dev_id = mailbox;
|
|
+ setup_irq(IRQ_ARM_MAILBOX, &mbox_irqaction);
|
|
+ printk(KERN_INFO DRIVER_NAME ": mailbox at %p\n",
|
|
+ __io_address(ARM_0_MAIL0_RD));
|
|
+ }
|
|
+ }
|
|
+
|
|
+ if (ret == 0) {
|
|
+ /*
|
|
+ * Register the character device
|
|
+ */
|
|
+ ret = register_chrdev(MAJOR_NUM, DEVICE_FILE_NAME, &fops);
|
|
+
|
|
+ /*
|
|
+ * Negative values signify an error
|
|
+ */
|
|
+ if (ret < 0) {
|
|
+ printk(KERN_ERR DRIVER_NAME
|
|
+ "Failed registering the character device %d\n", ret);
|
|
+ return ret;
|
|
+ }
|
|
+ }
|
|
+ return ret;
|
|
+}
|
|
+
|
|
+static int bcm_vcio_remove(struct platform_device *pdev)
|
|
+{
|
|
+ struct vc_mailbox *mailbox = platform_get_drvdata(pdev);
|
|
+
|
|
+ platform_set_drvdata(pdev, NULL);
|
|
+ kfree(mailbox);
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static struct platform_driver bcm_mbox_driver = {
|
|
+ .probe = bcm_vcio_probe,
|
|
+ .remove = bcm_vcio_remove,
|
|
+
|
|
+ .driver = {
|
|
+ .name = DRIVER_NAME,
|
|
+ .owner = THIS_MODULE,
|
|
+ },
|
|
+};
|
|
+
|
|
+static int __init bcm_mbox_init(void)
|
|
+{
|
|
+ int ret;
|
|
+
|
|
+ printk(KERN_INFO "mailbox: Broadcom VideoCore Mailbox driver\n");
|
|
+
|
|
+ ret = platform_driver_register(&bcm_mbox_driver);
|
|
+ if (ret != 0) {
|
|
+ printk(KERN_ERR DRIVER_NAME ": failed to register "
|
|
+ "on platform\n");
|
|
+ }
|
|
+
|
|
+ return ret;
|
|
+}
|
|
+
|
|
+static void __exit bcm_mbox_exit(void)
|
|
+{
|
|
+ platform_driver_unregister(&bcm_mbox_driver);
|
|
+}
|
|
+
|
|
+arch_initcall(bcm_mbox_init); /* Initialize early */
|
|
+module_exit(bcm_mbox_exit);
|
|
+
|
|
+MODULE_AUTHOR("Gray Girling");
|
|
+MODULE_DESCRIPTION("ARM I/O to VideoCore processor");
|
|
+MODULE_LICENSE("GPL");
|
|
+MODULE_ALIAS("platform:bcm-mbox");
|
|
--- a/arch/arm/mm/Kconfig
|
|
+++ b/arch/arm/mm/Kconfig
|
|
@@ -358,7 +358,7 @@ config CPU_PJ4B
|
|
|
|
# ARMv6
|
|
config CPU_V6
|
|
- bool "Support ARM V6 processor" if ARCH_INTEGRATOR || MACH_REALVIEW_EB || MACH_REALVIEW_PBX
|
|
+ bool "Support ARM V6 processor" if ARCH_INTEGRATOR || MACH_REALVIEW_EB || MACH_REALVIEW_PBX || MACH_BCM2708
|
|
select CPU_32v6
|
|
select CPU_ABRT_EV6
|
|
select CPU_CACHE_V6
|
|
--- a/arch/arm/mm/proc-v6.S
|
|
+++ b/arch/arm/mm/proc-v6.S
|
|
@@ -73,10 +73,19 @@ ENDPROC(cpu_v6_reset)
|
|
*
|
|
* IRQs are already disabled.
|
|
*/
|
|
+
|
|
+/* See jira SW-5991 for details of this workaround */
|
|
ENTRY(cpu_v6_do_idle)
|
|
- mov r1, #0
|
|
- mcr p15, 0, r1, c7, c10, 4 @ DWB - WFI may enter a low-power mode
|
|
- mcr p15, 0, r1, c7, c0, 4 @ wait for interrupt
|
|
+ .align 5
|
|
+ mov r1, #2
|
|
+1: subs r1, #1
|
|
+ nop
|
|
+ mcreq p15, 0, r1, c7, c10, 4 @ DWB - WFI may enter a low-power mode
|
|
+ mcreq p15, 0, r1, c7, c0, 4 @ wait for interrupt
|
|
+ nop
|
|
+ nop
|
|
+ nop
|
|
+ bne 1b
|
|
ret lr
|
|
|
|
ENTRY(cpu_v6_dcache_clean_area)
|
|
--- a/arch/arm/tools/mach-types
|
|
+++ b/arch/arm/tools/mach-types
|
|
@@ -522,6 +522,7 @@ torbreck MACH_TORBRECK TORBRECK 3090
|
|
prima2_evb MACH_PRIMA2_EVB PRIMA2_EVB 3103
|
|
paz00 MACH_PAZ00 PAZ00 3128
|
|
acmenetusfoxg20 MACH_ACMENETUSFOXG20 ACMENETUSFOXG20 3129
|
|
+bcm2708 MACH_BCM2708 BCM2708 3138
|
|
ag5evm MACH_AG5EVM AG5EVM 3189
|
|
ics_if_voip MACH_ICS_IF_VOIP ICS_IF_VOIP 3206
|
|
wlf_cragg_6410 MACH_WLF_CRAGG_6410 WLF_CRAGG_6410 3207
|
|
--- a/drivers/tty/serial/amba-pl011.c
|
|
+++ b/drivers/tty/serial/amba-pl011.c
|
|
@@ -84,7 +84,7 @@ struct vendor_data {
|
|
|
|
static unsigned int get_fifosize_arm(struct amba_device *dev)
|
|
{
|
|
- return amba_rev(dev) < 3 ? 16 : 32;
|
|
+ return 16; //TODO: fix: amba_rev(dev) < 3 ? 16 : 32;
|
|
}
|
|
|
|
static struct vendor_data vendor_arm = {
|
|
--- a/include/linux/mmc/host.h
|
|
+++ b/include/linux/mmc/host.h
|
|
@@ -290,6 +290,7 @@ struct mmc_host {
|
|
#define MMC_CAP2_HS400 (MMC_CAP2_HS400_1_8V | \
|
|
MMC_CAP2_HS400_1_2V)
|
|
#define MMC_CAP2_SDIO_IRQ_NOTHREAD (1 << 17)
|
|
+#define MMC_CAP2_FORCE_MULTIBLOCK (1 << 31) /* Always use multiblock transfers */
|
|
|
|
mmc_pm_flag_t pm_caps; /* supported pm features */
|
|
|
|
--- a/include/linux/mmc/sdhci.h
|
|
+++ b/include/linux/mmc/sdhci.h
|
|
@@ -130,6 +130,7 @@ struct sdhci_host {
|
|
#define SDHCI_SDIO_IRQ_ENABLED (1<<9) /* SDIO irq enabled */
|
|
#define SDHCI_SDR104_NEEDS_TUNING (1<<10) /* SDR104/HS200 needs tuning */
|
|
#define SDHCI_USING_RETUNING_TIMER (1<<11) /* Host is using a retuning timer for the card */
|
|
+#define SDHCI_USE_PLATDMA (1<<12) /* Host uses 3rd party DMA */
|
|
|
|
unsigned int version; /* SDHCI spec. version */
|
|
|
|
|