summaryrefslogtreecommitdiff
path: root/target/linux/brcm2708/patches-4.4/0027-Main-bcm2708-bcm2709-linux-port.patch
blob: 18ffb037f63819702bde4d0531c624701f711968 (plain)
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From 20ae9d488adbe06ef257b7920fab756063e2cf38 Mon Sep 17 00:00:00 2001
From: popcornmix <popcornmix@gmail.com>
Date: Sun, 12 May 2013 12:24:19 +0100
Subject: [PATCH] Main bcm2708/bcm2709 linux port
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: popcornmix <popcornmix@gmail.com>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
---
 arch/arm/Kconfig                                 |  49 +++
 arch/arm/Kconfig.debug                           |   8 +
 arch/arm/Makefile                                |   2 +
 arch/arm/kernel/head.S                           |   8 +
 arch/arm/kernel/process.c                        |  10 +
 arch/arm/mach-bcm2708/Kconfig                    |  23 ++
 arch/arm/mach-bcm2708/Makefile                   |   5 +
 arch/arm/mach-bcm2708/Makefile.boot              |   3 +
 arch/arm/mach-bcm2708/bcm2708.c                  | 231 ++++++++++++
 arch/arm/mach-bcm2708/include/mach/debug-macro.S |  22 ++
 arch/arm/mach-bcm2708/include/mach/io.h          |  27 ++
 arch/arm/mach-bcm2708/include/mach/memory.h      |  57 +++
 arch/arm/mach-bcm2708/include/mach/platform.h    | 112 ++++++
 arch/arm/mach-bcm2708/include/mach/system.h      |  37 ++
 arch/arm/mach-bcm2708/include/mach/uncompress.h  |  84 +++++
 arch/arm/mach-bcm2708/include/mach/vmalloc.h     |  20 ++
 arch/arm/mach-bcm2709/Kconfig                    |  16 +
 arch/arm/mach-bcm2709/Makefile                   |   5 +
 arch/arm/mach-bcm2709/Makefile.boot              |   3 +
 arch/arm/mach-bcm2709/bcm2709.c                  | 380 ++++++++++++++++++++
 arch/arm/mach-bcm2709/include/mach/debug-macro.S |  22 ++
 arch/arm/mach-bcm2709/include/mach/entry-macro.S | 123 +++++++
 arch/arm/mach-bcm2709/include/mach/io.h          |  27 ++
 arch/arm/mach-bcm2709/include/mach/memory.h      |  57 +++
 arch/arm/mach-bcm2709/include/mach/platform.h    | 188 ++++++++++
 arch/arm/mach-bcm2709/include/mach/system.h      |  37 ++
 arch/arm/mach-bcm2709/include/mach/uncompress.h  |  84 +++++
 arch/arm/mach-bcm2709/include/mach/vc_mem.h      |  35 ++
 arch/arm/mach-bcm2709/include/mach/vmalloc.h     |  20 ++
 arch/arm/mach-bcm2709/vc_mem.c                   | 431 +++++++++++++++++++++++
 arch/arm/mm/Kconfig                              |   2 +-
 arch/arm/mm/proc-v6.S                            |  15 +-
 arch/arm/mm/proc-v7.S                            |   1 +
 arch/arm/tools/mach-types                        |   2 +
 drivers/clocksource/Makefile                     |   2 +-
 drivers/irqchip/Makefile                         |   3 +
 include/linux/mmc/host.h                         |   1 +
 37 files changed, 2147 insertions(+), 5 deletions(-)
 create mode 100644 arch/arm/mach-bcm2708/Kconfig
 create mode 100644 arch/arm/mach-bcm2708/Makefile
 create mode 100644 arch/arm/mach-bcm2708/Makefile.boot
 create mode 100644 arch/arm/mach-bcm2708/bcm2708.c
 create mode 100644 arch/arm/mach-bcm2708/include/mach/debug-macro.S
 create mode 100644 arch/arm/mach-bcm2708/include/mach/io.h
 create mode 100644 arch/arm/mach-bcm2708/include/mach/memory.h
 create mode 100644 arch/arm/mach-bcm2708/include/mach/platform.h
 create mode 100644 arch/arm/mach-bcm2708/include/mach/system.h
 create mode 100644 arch/arm/mach-bcm2708/include/mach/uncompress.h
 create mode 100644 arch/arm/mach-bcm2708/include/mach/vmalloc.h
 create mode 100644 arch/arm/mach-bcm2709/Kconfig
 create mode 100644 arch/arm/mach-bcm2709/Makefile
 create mode 100644 arch/arm/mach-bcm2709/Makefile.boot
 create mode 100644 arch/arm/mach-bcm2709/bcm2709.c
 create mode 100644 arch/arm/mach-bcm2709/include/mach/debug-macro.S
 create mode 100644 arch/arm/mach-bcm2709/include/mach/entry-macro.S
 create mode 100644 arch/arm/mach-bcm2709/include/mach/io.h
 create mode 100644 arch/arm/mach-bcm2709/include/mach/memory.h
 create mode 100644 arch/arm/mach-bcm2709/include/mach/platform.h
 create mode 100644 arch/arm/mach-bcm2709/include/mach/system.h
 create mode 100644 arch/arm/mach-bcm2709/include/mach/uncompress.h
 create mode 100644 arch/arm/mach-bcm2709/include/mach/vc_mem.h
 create mode 100644 arch/arm/mach-bcm2709/include/mach/vmalloc.h
 create mode 100644 arch/arm/mach-bcm2709/vc_mem.c

--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -318,6 +318,52 @@ choice
 	default ARCH_VERSATILE if !MMU
 	default ARCH_MULTIPLATFORM if MMU
 
+config ARCH_BCM2708
+	bool "Broadcom BCM2708 family"
+	select CPU_V6
+	select ARM_AMBA
+	select CLKSRC_MMIO
+	select CLKSRC_OF if OF
+	select HAVE_SCHED_CLOCK
+	select NEED_MACH_GPIO_H
+	select NEED_MACH_MEMORY_H
+	select COMMON_CLK
+	select ARCH_HAS_CPUFREQ
+	select GENERIC_CLOCKEVENTS
+	select ARM_ERRATA_411920
+	select MACH_BCM2708
+	select MULTI_IRQ_HANDLER
+	select SPARSE_IRQ
+	select VC4
+	select FIQ
+	help
+	  This enables support for Broadcom BCM2708 boards.
+
+config ARCH_BCM2709
+	bool "Broadcom BCM2709 family"
+	select CPU_V7
+	select HAVE_SMP
+	select ARM_AMBA
+	select MIGHT_HAVE_CACHE_L2X0
+	select HAVE_SCHED_CLOCK
+	select NEED_MACH_MEMORY_H
+	select NEED_MACH_IO_H
+	select COMMON_CLK
+	select ARCH_HAS_CPUFREQ
+	select GENERIC_CLOCKEVENTS
+	select MACH_BCM2709
+	select MULTI_IRQ_HANDLER
+	select SPARSE_IRQ
+	select MFD_SYSCON
+	select VC4
+	select FIQ
+	select USE_OF
+	select ARCH_REQUIRE_GPIOLIB
+	select PINCTRL
+	select PINCTRL_BCM2835
+	help
+	  This enables support for Broadcom BCM2709 boards.
+
 config ARCH_MULTIPLATFORM
 	bool "Allow multiple platforms to be selected"
 	depends on MMU
@@ -809,6 +855,9 @@ config ARCH_VIRT
 # Kconfigs may be included either alphabetically (according to the
 # plat- suffix) or along side the corresponding mach-* source.
 #
+source "arch/arm/mach-bcm2708/Kconfig"
+source "arch/arm/mach-bcm2709/Kconfig"
+
 source "arch/arm/mach-mvebu/Kconfig"
 
 source "arch/arm/mach-alpine/Kconfig"
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -1240,6 +1240,14 @@ choice
 		  options; the platform specific options are deprecated
 		  and will be soon removed.
 
+	config DEBUG_BCM2708_UART0
+		bool "Broadcom BCM270X UART0 (PL011)"
+		depends on ARCH_BCM2708 || ARCH_BCM2709
+		help
+		  Say Y here if you want the debug print routines to direct
+		  their output to UART 0. The port must have been initialised
+		  by the boot-loader before use.
+
 endchoice
 
 config DEBUG_EXYNOS_UART
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -159,6 +159,8 @@ textofs-$(CONFIG_ARCH_AXXIA) := 0x003080
 
 # Machine directory name.  This list is sorted alphanumerically
 # by CONFIG_* macro name.
+machine-$(CONFIG_ARCH_BCM2708)		+= bcm2708
+machine-$(CONFIG_ARCH_BCM2709)		+= bcm2709
 machine-$(CONFIG_ARCH_ALPINE)		+= alpine
 machine-$(CONFIG_ARCH_AT91)		+= at91
 machine-$(CONFIG_ARCH_AXXIA)		+= axxia
--- a/arch/arm/kernel/head.S
+++ b/arch/arm/kernel/head.S
@@ -700,6 +700,14 @@ ARM_BE8(rev16	ip, ip)
 	ldrcc	r7, [r4], #4	@ use branch for delay slot
 	bcc	1b
 	ret	lr
+	nop
+	nop
+	nop
+	nop
+	nop
+	nop
+	nop
+	nop
 #endif
 ENDPROC(__fixup_a_pv_table)
 
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -91,6 +91,16 @@ void arch_cpu_idle_exit(void)
 	ledtrig_cpu(CPU_LED_IDLE_END);
 }
 
+char bcm2708_reboot_mode = 'h';
+
+int __init reboot_setup(char *str)
+{
+	bcm2708_reboot_mode = str[0];
+	return 1;
+}
+
+__setup("reboot=", reboot_setup);
+
 void __show_regs(struct pt_regs *regs)
 {
 	unsigned long flags;
--- /dev/null
+++ b/arch/arm/mach-bcm2708/Kconfig
@@ -0,0 +1,23 @@
+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
+	select USE_OF
+	select ARCH_REQUIRE_GPIOLIB
+	select PINCTRL
+	select PINCTRL_BCM2835
+	help
+	  Include support for the Broadcom(R) BCM2708 platform.
+
+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 +1,5 @@
+#
+# Makefile for the linux kernel.
+#
+
+obj-$(CONFIG_MACH_BCM2708) 	+= bcm2708.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/bcm2708.c
@@ -0,0 +1,231 @@
+/*
+ *  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/dma-mapping.h>
+#include <linux/module.h>
+#include <linux/of_platform.h>
+#include <asm/system_info.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#include <mach/system.h>
+
+#include <linux/broadcom/vc_cma.h>
+
+/* 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.
+ */
+
+/* command line parameters */
+static unsigned boardrev, serial;
+static unsigned reboot_part = 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));
+}
+
+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, "");
+	}
+}
+
+static void __init bcm2708_init_uart1(void)
+{
+	struct device_node *np;
+
+	np = of_find_compatible_node(NULL, NULL, "brcm,bcm2835-aux-uart");
+	if (of_device_is_available(np)) {
+		pr_info("bcm2708: Mini UART enabled\n");
+		writel(1, __io_address(UART1_BASE + 0x4));
+	}
+}
+
+void __init bcm2708_init(void)
+{
+	int ret;
+
+	vc_cma_early_init();
+
+	pm_power_off = bcm2708_power_off;
+
+	ret = of_platform_populate(NULL, of_default_bus_match_table, NULL,
+				   NULL);
+	if (ret) {
+		pr_err("of_platform_populate failed: %d\n", ret);
+		BUG();
+	}
+
+	bcm2708_init_uart1();
+
+	system_rev = boardrev;
+	system_serial_low = serial;
+}
+
+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)
+{
+	vc_cma_reserve();
+}
+
+static const char * const bcm2708_compat[] = {
+	"brcm,bcm2708",
+	NULL
+};
+
+MACHINE_START(BCM2708, "BCM2708")
+    /* Maintainer: Broadcom Europe Ltd. */
+	.map_io = bcm2708_map_io,
+	.init_machine = bcm2708_init,
+	.init_early = bcm2708_init_early,
+	.reserve = board_reserve,
+	.restart	= bcm2708_restart,
+	.dt_compat = bcm2708_compat,
+MACHINE_END
+
+module_param(boardrev, uint, 0644);
+module_param(serial, uint, 0644);
+module_param(reboot_part, uint, 0644);
--- /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/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/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 +1,112 @@
+/*
+ * 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)
+
+/*
+ * 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 */
+
+/*
+ * 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/system.h
@@ -0,0 +1,37 @@
+/*
+ *  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/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/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/platform.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/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-bcm2709/Kconfig
@@ -0,0 +1,16 @@
+menu "Broadcom BCM2709 Implementations"
+	depends on ARCH_BCM2709
+
+config MACH_BCM2709
+	bool "Broadcom BCM2709 Development Platform"
+	help
+	  Include support for the Broadcom(R) BCM2709 platform.
+
+config BCM2708_NOL2CACHE
+	bool "Videocore L2 cache disable"
+	depends on MACH_BCM2709
+        default y
+        help
+          Do not allow ARM to use GPU's L2 cache. Requires disable_l2cache in config.txt.
+
+endmenu
--- /dev/null
+++ b/arch/arm/mach-bcm2709/Makefile
@@ -0,0 +1,5 @@
+#
+# Makefile for the linux kernel.
+#
+
+obj-$(CONFIG_MACH_BCM2709) 	+= bcm2709.o
--- /dev/null
+++ b/arch/arm/mach-bcm2709/Makefile.boot
@@ -0,0 +1,3 @@
+   zreladdr-y	:= 0x00008000
+params_phys-y	:= 0x00000100
+initrd_phys-y	:= 0x00800000
--- /dev/null
+++ b/arch/arm/mach-bcm2709/bcm2709.c
@@ -0,0 +1,380 @@
+/*
+ *  linux/arch/arm/mach-bcm2709/bcm2709.c
+ *
+ *  Copyright (C) 2010 Broadcom
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <linux/init.h>
+#include <linux/dma-mapping.h>
+#include <linux/interrupt.h>
+#include <linux/clk-provider.h>
+#include <linux/clocksource.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/of_platform.h>
+
+#include <asm/system_info.h>
+#include <asm/mach-types.h>
+#include <asm/cputype.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#include <mach/system.h>
+
+#include <linux/broadcom/vc_cma.h>
+
+/* 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.
+ */
+
+/* command line parameters */
+static unsigned boardrev, serial;
+static unsigned reboot_part = 0;
+
+static struct map_desc bcm2709_io_desc[] __initdata = {
+	{
+	 .virtual = IO_ADDRESS(ARMCTRL_BASE),
+	 .pfn = __phys_to_pfn(ARMCTRL_BASE),
+	 .length = SZ_4K,
+	 .type = MT_DEVICE},
+	{
+	 .virtual = IO_ADDRESS(UART0_BASE),
+	 .pfn = __phys_to_pfn(UART0_BASE),
+	 .length = SZ_4K,
+	 .type = MT_DEVICE},
+	{
+	 .virtual = IO_ADDRESS(UART1_BASE),
+	 .pfn = __phys_to_pfn(UART1_BASE),
+	 .length = SZ_4K,
+	 .type = MT_DEVICE},
+	{
+	 .virtual = IO_ADDRESS(DMA_BASE),
+	 .pfn = __phys_to_pfn(DMA_BASE),
+	 .length = SZ_4K,
+	 .type = MT_DEVICE},
+	{
+	 .virtual = IO_ADDRESS(MCORE_BASE),
+	 .pfn = __phys_to_pfn(MCORE_BASE),
+	 .length = SZ_4K,
+	 .type = MT_DEVICE},
+	{
+	 .virtual = IO_ADDRESS(ST_BASE),
+	 .pfn = __phys_to_pfn(ST_BASE),
+	 .length = SZ_4K,
+	 .type = MT_DEVICE},
+	{
+	 .virtual = IO_ADDRESS(USB_BASE),
+	 .pfn = __phys_to_pfn(USB_BASE),
+	 .length = SZ_128K,
+	 .type = MT_DEVICE},
+	{
+	 .virtual = IO_ADDRESS(PM_BASE),
+	 .pfn = __phys_to_pfn(PM_BASE),
+	 .length = SZ_4K,
+	 .type = MT_DEVICE},
+	{
+	 .virtual = IO_ADDRESS(GPIO_BASE),
+	 .pfn = __phys_to_pfn(GPIO_BASE),
+	 .length = SZ_4K,
+	 .type = MT_DEVICE},
+	{
+	 .virtual = IO_ADDRESS(ARM_LOCAL_BASE),
+	 .pfn = __phys_to_pfn(ARM_LOCAL_BASE),
+	 .length = SZ_4K,
+	 .type = MT_DEVICE},
+};
+
+void __init bcm2709_map_io(void)
+{
+	iotable_init(bcm2709_io_desc, ARRAY_SIZE(bcm2709_io_desc));
+}
+
+int calc_rsts(int partition)
+{
+	return PM_PASSWORD |
+		((partition & (1 << 0))  << 0) |
+		((partition & (1 << 1))  << 1) |
+		((partition & (1 << 2))  << 2) |
+		((partition & (1 << 3))  << 3) |
+		((partition & (1 << 4))  << 4) |
+		((partition & (1 << 5))  << 5);
+}
+
+static void bcm2709_restart(enum reboot_mode mode, const char *cmd)
+{
+	extern char bcm2708_reboot_mode;
+	uint32_t pm_rstc, pm_wdog;
+	uint32_t timeout = 10;
+	uint32_t pm_rsts = 0;
+
+	if(bcm2708_reboot_mode == 'q')
+	{
+		// NOOBS < 1.3 booting with reboot=q
+		pm_rsts = readl(__io_address(PM_RSTS));
+		pm_rsts = PM_PASSWORD | pm_rsts | PM_RSTS_HADWRQ_SET;
+	}
+	else if(bcm2708_reboot_mode == 'p')
+	{
+		// NOOBS < 1.3 halting
+		pm_rsts = readl(__io_address(PM_RSTS));
+		pm_rsts = PM_PASSWORD | pm_rsts | PM_RSTS_HADWRH_SET;
+	}
+	else
+	{
+		pm_rsts = calc_rsts(reboot_part);
+	}
+
+	writel(pm_rsts, __io_address(PM_RSTS));
+
+	/* Setup watchdog for reset */
+	pm_rstc = readl(__io_address(PM_RSTC));
+
+	pm_wdog = PM_PASSWORD | (timeout & PM_WDOG_TIME_SET); // watchdog timer = timer clock / 16; need password (31:16) + value (11:0)
+	pm_rstc = PM_PASSWORD | (pm_rstc & PM_RSTC_WRCFG_CLR) | PM_RSTC_WRCFG_FULL_RESET;
+
+	writel(pm_wdog, __io_address(PM_WDOG));
+	writel(pm_rstc, __io_address(PM_RSTC));
+}
+
+/* We can't really power off, but if we do the normal reset scheme, and indicate to bootcode.bin not to reboot, then most of the chip will be powered off */
+static void bcm2709_power_off(void)
+{
+	extern char bcm2708_reboot_mode;
+	if(bcm2708_reboot_mode == 'q')
+	{
+		// NOOBS < v1.3
+		bcm2709_restart('p', "");
+	}
+	else
+	{
+		/* partition 63 is special code for HALT the bootloader knows not to boot*/
+		reboot_part = 63;
+		/* continue with normal reset mechanism */
+		bcm2709_restart(0, "");
+	}
+}
+
+static void __init bcm2709_init_uart1(void)
+{
+	struct device_node *np;
+
+	np = of_find_compatible_node(NULL, NULL, "brcm,bcm2835-aux-uart");
+	if (of_device_is_available(np)) {
+		pr_info("bcm2709: Mini UART enabled\n");
+		writel(1, __io_address(UART1_BASE + 0x4));
+	}
+}
+
+void __init bcm2709_init(void)
+{
+	int ret;
+
+	vc_cma_early_init();
+
+	pm_power_off = bcm2709_power_off;
+
+	ret = of_platform_populate(NULL, of_default_bus_match_table, NULL,
+				   NULL);
+	if (ret) {
+		pr_err("of_platform_populate failed: %d\n", ret);
+		BUG();
+	}
+
+	bcm2709_init_uart1();
+
+	system_rev = boardrev;
+	system_serial_low = serial;
+}
+
+static void __init bcm2709_timer_init(void)
+{
+	// timer control
+	writel(0, __io_address(ARM_LOCAL_CONTROL));
+	// timer pre_scaler
+	writel(0x80000000, __io_address(ARM_LOCAL_PRESCALER)); // 19.2MHz
+	//writel(0x06AAAAAB, __io_address(ARM_LOCAL_PRESCALER)); // 1MHz
+
+	of_clk_init(NULL);
+	clocksource_probe();
+}
+
+
+void __init bcm2709_init_early(void)
+{
+	/*
+	 * Some devices allocate their coherent buffers from atomic
+	 * context. Increase size of atomic coherent pool to make sure such
+	 * the allocations won't fail.
+	 */
+	init_dma_coherent_pool_size(SZ_4M);
+}
+
+static void __init board_reserve(void)
+{
+	vc_cma_reserve();
+}
+
+
+#ifdef CONFIG_SMP
+#include <linux/smp.h>
+
+#include <asm/cacheflush.h>
+#include <asm/smp_plat.h>
+int dc4=0;
+//void dc4_log(unsigned x) { if (dc4) writel((x), __io_address(ST_BASE+10 + raw_smp_processor_id()*4)); }
+void dc4_log_dead(unsigned x) { if (dc4) writel((readl(__io_address(ST_BASE+0x10 + raw_smp_processor_id()*4)) & 0xffff) | ((x)<<16), __io_address(ST_BASE+0x10 + raw_smp_processor_id()*4)); }
+
+static void bcm2835_send_doorbell(const struct cpumask *mask, unsigned int irq)
+{
+        int cpu;
+        /*
+         * Ensure that stores to Normal memory are visible to the
+         * other CPUs before issuing the IPI.
+         */
+        dsb();
+
+        /* Convert our logical CPU mask into a physical one. */
+        for_each_cpu(cpu, mask)
+	{
+		/* submit softirq */
+		writel(1<<irq, __io_address(ARM_LOCAL_MAILBOX0_SET0 + 0x10 * MPIDR_AFFINITY_LEVEL(cpu_logical_map(cpu), 0)));
+	}
+}
+
+void __init bcm2709_smp_init_cpus(void)
+{
+	void secondary_startup(void);
+	unsigned int i, ncores;
+
+	ncores = 4; // xxx scu_get_core_count(NULL);
+	printk("[%s] enter (%x->%x)\n", __FUNCTION__, (unsigned)virt_to_phys((void *)secondary_startup), (unsigned)__io_address(ST_BASE + 0x10));
+	printk("[%s] ncores=%d\n", __FUNCTION__, ncores);
+
+	for (i = 0; i < ncores; i++) {
+		set_cpu_possible(i, true);
+		/* enable IRQ (not FIQ) */
+		writel(0x1, __io_address(ARM_LOCAL_MAILBOX_INT_CONTROL0 + 0x4 * i));
+		//writel(0xf, __io_address(ARM_LOCAL_TIMER_INT_CONTROL0   + 0x4 * i));
+	}
+	set_smp_cross_call(bcm2835_send_doorbell);
+}
+
+/*
+ * for arch/arm/kernel/smp.c:smp_prepare_cpus(unsigned int max_cpus)
+ */
+void __init bcm2709_smp_prepare_cpus(unsigned int max_cpus)
+{
+    //void __iomem *scu_base;
+
+    printk("[%s] enter\n", __FUNCTION__);
+    //scu_base = scu_base_addr();
+    //scu_enable(scu_base);
+}
+
+/*
+ * for linux/arch/arm/kernel/smp.c:secondary_start_kernel(void)
+ */
+void __init bcm2709_secondary_init(unsigned int cpu)
+{
+    printk("[%s] enter cpu:%d\n", __FUNCTION__, cpu);
+    //gic_secondary_init(0);
+}
+
+/*
+ * for linux/arch/arm/kernel/smp.c:__cpu_up(..)
+ */
+int __init bcm2709_boot_secondary(unsigned int cpu, struct task_struct *idle)
+{
+    void secondary_startup(void);
+    void *mbox_set = __io_address(ARM_LOCAL_MAILBOX3_SET0 + 0x10 * MPIDR_AFFINITY_LEVEL(cpu_logical_map(cpu), 0));
+    void *mbox_clr = __io_address(ARM_LOCAL_MAILBOX3_CLR0 + 0x10 * MPIDR_AFFINITY_LEVEL(cpu_logical_map(cpu), 0));
+    unsigned secondary_boot = (unsigned)virt_to_phys((void *)secondary_startup);
+    int timeout=20;
+    unsigned t = -1;
+    //printk("[%s] enter cpu:%d (%x->%p) %x\n", __FUNCTION__, cpu, secondary_boot, wake, readl(wake));
+
+    dsb();
+    BUG_ON(readl(mbox_clr) != 0);
+    writel(secondary_boot, mbox_set);
+
+    while (--timeout > 0) {
+	t = readl(mbox_clr);
+	if (t == 0) break;
+	cpu_relax();
+    }
+    if (timeout==0)
+        printk("[%s] cpu:%d failed to start (%x)\n", __FUNCTION__, cpu, t);
+    else
+        printk("[%s] cpu:%d started (%x) %d\n", __FUNCTION__, cpu, t, timeout);
+
+    return 0;
+}
+
+
+struct smp_operations  bcm2709_smp_ops __initdata = {
+	.smp_init_cpus		= bcm2709_smp_init_cpus,
+	.smp_prepare_cpus	= bcm2709_smp_prepare_cpus,
+	.smp_secondary_init	= bcm2709_secondary_init,
+	.smp_boot_secondary	= bcm2709_boot_secondary,
+};
+#endif
+
+static const char * const bcm2709_compat[] = {
+	"brcm,bcm2709",
+	"brcm,bcm2708", /* Could use bcm2708 in a pinch */
+	NULL
+};
+
+MACHINE_START(BCM2709, "BCM2709")
+    /* Maintainer: Broadcom Europe Ltd. */
+#ifdef CONFIG_SMP
+	.smp		= smp_ops(bcm2709_smp_ops),
+#endif
+	.map_io = bcm2709_map_io,
+	.init_time = bcm2709_timer_init,
+	.init_machine = bcm2709_init,
+	.init_early = bcm2709_init_early,
+	.reserve = board_reserve,
+	.restart	= bcm2709_restart,
+	.dt_compat = bcm2709_compat,
+MACHINE_END
+
+MACHINE_START(BCM2708, "BCM2709")
+    /* Maintainer: Broadcom Europe Ltd. */
+#ifdef CONFIG_SMP
+	.smp		= smp_ops(bcm2709_smp_ops),
+#endif
+	.map_io = bcm2709_map_io,
+	.init_time = bcm2709_timer_init,
+	.init_machine = bcm2709_init,
+	.init_early = bcm2709_init_early,
+	.reserve = board_reserve,
+	.restart	= bcm2709_restart,
+	.dt_compat = bcm2709_compat,
+MACHINE_END
+
+module_param(boardrev, uint, 0644);
+module_param(serial, uint, 0644);
+module_param(reboot_part, uint, 0644);
--- /dev/null
+++ b/arch/arm/mach-bcm2709/include/mach/debug-macro.S
@@ -0,0 +1,22 @@
+/* arch/arm/mach-bcm2708/include/mach/debug-macro.S
+ *
+ * Debugging macro include header
+ *
+ *  Copyright (C) 2010 Broadcom
+ *  Copyright (C) 1994-1999 Russell King
+ *  Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+*/
+
+#include <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-bcm2709/include/mach/entry-macro.S
@@ -0,0 +1,123 @@
+/*
+ * 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>
+#include <mach/irqs.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 core number */
+		mrc     p15, 0, \tmp, c0, c0, 5
+		ubfx    \tmp, \tmp, #0, #2
+
+		/* get core's local interrupt controller */
+		ldr	\irqstat, = __io_address(ARM_LOCAL_IRQ_PENDING0)	@ local interrupt source
+		add	\irqstat, \irqstat, \tmp, lsl #2
+		ldr	\tmp, [\irqstat]
+		/* ignore gpu interrupt */
+		bic     \tmp, #0x100
+		/* ignore mailbox interrupts */
+		bics    \tmp, #0xf0
+		beq	1005f
+
+		@ For non-zero x, LSB(x) = 31 - CLZ(x^(x-1))
+		@ N.B. CLZ is an ARM5 instruction.
+		mov	\irqnr, #(ARM_IRQ_LOCAL_BASE + 31)
+		sub	\irqstat, \tmp, #1
+		eor	\irqstat, \irqstat, \tmp
+		clz	\tmp, \irqstat
+		sub	\irqnr, \tmp
+		b	1020f
+1005:
+		/* get core number */
+		mrc     p15, 0, \tmp, c0, c0, 5
+		ubfx    \tmp, \tmp, #0, #2
+
+                cmp	\tmp, #1
+		beq	1020f
+                cmp	\tmp, #2
+		beq	1020f
+                cmp	\tmp, #3
+		beq	1020f
+
+		/* get masked status */
+		ldr	\irqstat, [\base, #(ARM_IRQ_PEND0 - ARMCTRL_IC_BASE)]
+		mov	\irqnr, #(ARM_IRQ0_BASE + 31)
+		and	\tmp, \irqstat, #0x300		 @ save bits 8 and 9
+		/* clear bits 8 and 9, and test */
+		bics	\irqstat, \irqstat, #0x300
+		bne	1010f
+
+		tst	\tmp, #0x100
+		ldrne	\irqstat, [\base, #(ARM_IRQ_PEND1 - ARMCTRL_IC_BASE)]
+		movne \irqnr, #(ARM_IRQ1_BASE + 31)
+		@ Mask out the interrupts also present in PEND0 - see SW-5809
+		bicne \irqstat, #((1<<7) | (1<<9) | (1<<10))
+		bicne \irqstat, #((1<<18) | (1<<19))
+		bne	1010f
+
+		tst	\tmp, #0x200
+		ldrne \irqstat, [\base, #(ARM_IRQ_PEND2 - ARMCTRL_IC_BASE)]
+		movne \irqnr, #(ARM_IRQ2_BASE + 31)
+		@ Mask out the interrupts also present in PEND0 - see SW-5809
+		bicne \irqstat, #((1<<21) | (1<<22) | (1<<23) | (1<<24) | (1<<25))
+		bicne \irqstat, #((1<<30))
+		beq 1020f
+
+1010:
+		@ For non-zero x, LSB(x) = 31 - CLZ(x^(x-1))
+		@ N.B. CLZ is an ARM5 instruction.
+		sub	\tmp, \irqstat, #1
+		eor	\irqstat, \irqstat, \tmp
+		clz	\tmp, \irqstat
+		sub	\irqnr, \tmp
+
+1020:	@ EQ will be set if no irqs pending
+
+		.endm
+
+		.macro  test_for_ipi, irqnr, irqstat, base, tmp
+		/* get core number */
+		mrc     p15, 0, \tmp, c0, c0, 5
+		ubfx    \tmp, \tmp, #0, #2
+		/* get core's mailbox interrupt control */
+		ldr	\irqstat, = __io_address(ARM_LOCAL_MAILBOX0_CLR0)	@ mbox_clr
+		add	\irqstat, \irqstat, \tmp, lsl #4
+		ldr	\tmp, [\irqstat]
+		cmp     \tmp, #0
+		beq	1030f
+		clz	\tmp, \tmp
+		rsb	\irqnr, \tmp, #31
+		mov	\tmp, #1
+		lsl	\tmp, \irqnr
+		str	\tmp, [\irqstat]  @ clear interrupt source
+		dsb
+1030:	@ EQ will be set if no irqs pending
+		.endm
--- /dev/null
+++ b/arch/arm/mach-bcm2709/include/mach/io.h
@@ -0,0 +1,27 @@
+/*
+ *  arch/arm/mach-bcm2708/include/mach/io.h
+ *
+ *  Copyright (C) 2003 ARM Limited
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+#ifndef __ASM_ARM_ARCH_IO_H
+#define __ASM_ARM_ARCH_IO_H
+
+#define IO_SPACE_LIMIT 0xffffffff
+
+#define __io(a)		__typesafe_io(a)
+
+#endif
--- /dev/null
+++ b/arch/arm/mach-bcm2709/include/mach/memory.h
@@ -0,0 +1,57 @@
+/*
+ *  arch/arm/mach-bcm2708/include/mach/memory.h
+ *
+ *  Copyright (C) 2010 Broadcom
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+#ifndef __ASM_ARCH_MEMORY_H
+#define __ASM_ARCH_MEMORY_H
+
+/* Memory overview:
+
+   [ARMcore] <--virtual addr-->
+   [ARMmmu] <--physical addr-->
+   [GERTmap] <--bus add-->
+   [VCperiph]
+
+*/
+
+/*
+ * Physical DRAM offset.
+ */
+#define BCM_PLAT_PHYS_OFFSET	UL(0x00000000)
+#define VC_ARMMEM_OFFSET	UL(0x00000000)   /* offset in VC of ARM memory */
+
+#ifdef CONFIG_BCM2708_NOL2CACHE
+ #define _REAL_BUS_OFFSET UL(0xC0000000)   /* don't use L1 or L2 caches */
+#else
+ #define _REAL_BUS_OFFSET UL(0x40000000)   /* use L2 cache */
+#endif
+
+/* We're using the memory at 64M in the VideoCore for Linux - this adjustment
+ * will provide the offset into this area as well as setting the bits that
+ * stop the L1 and L2 cache from being used
+ *
+ * WARNING: this only works because the ARM is given memory at a fixed location
+ *          (ARMMEM_OFFSET)
+ */
+#define BUS_OFFSET          (VC_ARMMEM_OFFSET + _REAL_BUS_OFFSET)
+#define __virt_to_bus(x)    ((x) + (BUS_OFFSET - PAGE_OFFSET))
+#define __bus_to_virt(x)    ((x) - (BUS_OFFSET - PAGE_OFFSET))
+#define __pfn_to_bus(x)     (__pfn_to_phys(x) + (BUS_OFFSET - BCM_PLAT_PHYS_OFFSET))
+#define __bus_to_pfn(x)     __phys_to_pfn((x) - (BUS_OFFSET - BCM_PLAT_PHYS_OFFSET))
+
+#endif
--- /dev/null
+++ b/arch/arm/mach-bcm2709/include/mach/platform.h
@@ -0,0 +1,188 @@
+/*
+ * arch/arm/mach-bcm2708/include/mach/platform.h
+ *
+ * Copyright (C) 2010 Broadcom
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifndef _BCM2708_PLATFORM_H
+#define _BCM2708_PLATFORM_H
+
+
+/* macros to get at IO space when running virtually */
+#define IO_ADDRESS(x)	(((x) & 0x00ffffff) + (((x) >> 4) & 0x0f000000) + 0xf0000000)
+
+#define __io_address(n)     IOMEM(IO_ADDRESS(n))
+
+
+/*
+ *  SDRAM
+ */
+#define BCM2708_SDRAM_BASE           0x00000000
+
+/*
+ *  Logic expansion modules
+ *
+ */
+
+
+/* ------------------------------------------------------------------------
+ *  BCM2708 ARMCTRL Registers
+ * ------------------------------------------------------------------------
+ */
+
+#define HW_REGISTER_RW(addr) (addr)
+#define HW_REGISTER_RO(addr) (addr)
+
+/*
+ * Definitions and addresses for the ARM CONTROL logic
+ * This file is manually generated.
+ */
+
+#define BCM2708_PERI_BASE        0x3F000000
+#define IC0_BASE                 (BCM2708_PERI_BASE + 0x2000)
+#define ST_BASE                  (BCM2708_PERI_BASE + 0x3000)   /* System Timer */
+#define MPHI_BASE		 (BCM2708_PERI_BASE + 0x6000)	/* Message -based Parallel Host Interface */
+#define DMA_BASE		 (BCM2708_PERI_BASE + 0x7000)	/* DMA controller */
+#define ARM_BASE                 (BCM2708_PERI_BASE + 0xB000)	 /* BCM2708 ARM control block */
+#define PM_BASE			 (BCM2708_PERI_BASE + 0x100000) /* Power Management, Reset controller and Watchdog registers */
+#define PCM_CLOCK_BASE           (BCM2708_PERI_BASE + 0x101098) /* PCM Clock */
+#define RNG_BASE                 (BCM2708_PERI_BASE + 0x104000) /* Hardware RNG */
+#define GPIO_BASE                (BCM2708_PERI_BASE + 0x200000) /* GPIO */
+#define UART0_BASE               (BCM2708_PERI_BASE + 0x201000)	/* Uart 0 */
+#define MMCI0_BASE               (BCM2708_PERI_BASE + 0x202000) /* MMC interface */
+#define I2S_BASE                 (BCM2708_PERI_BASE + 0x203000) /* I2S */
+#define SPI0_BASE		 (BCM2708_PERI_BASE + 0x204000) /* SPI0 */
+#define BSC0_BASE		 (BCM2708_PERI_BASE + 0x205000) /* BSC0 I2C/TWI */
+#define UART1_BASE               (BCM2708_PERI_BASE + 0x215000) /* Uart 1 */
+#define EMMC_BASE                (BCM2708_PERI_BASE + 0x300000) /* eMMC interface */
+#define SMI_BASE		 (BCM2708_PERI_BASE + 0x600000) /* SMI */
+#define BSC1_BASE		 (BCM2708_PERI_BASE + 0x804000) /* BSC1 I2C/TWI */
+#define USB_BASE                 (BCM2708_PERI_BASE + 0x980000) /* DTC_OTG USB controller */
+#define MCORE_BASE               (BCM2708_PERI_BASE + 0x0000)   /* Fake frame buffer device (actually the multicore sync block*/
+
+#define ARMCTRL_BASE             (ARM_BASE + 0x000)
+#define ARMCTRL_IC_BASE          (ARM_BASE + 0x200)           /* ARM interrupt controller */
+#define ARMCTRL_TIMER0_1_BASE    (ARM_BASE + 0x400)           /* Timer 0 and 1 */
+#define ARMCTRL_0_SBM_BASE       (ARM_BASE + 0x800)           /* User 0 (ARM)'s Semaphores Doorbells and Mailboxes */
+
+/*
+ * 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
+
+#define ARM_LOCAL_BASE 0x40000000
+#define ARM_LOCAL_CONTROL		HW_REGISTER_RW(ARM_LOCAL_BASE+0x000)
+
+#define ARM_LOCAL_CONTROL		HW_REGISTER_RW(ARM_LOCAL_BASE+0x000)
+#define ARM_LOCAL_PRESCALER		HW_REGISTER_RW(ARM_LOCAL_BASE+0x008)
+#define ARM_LOCAL_GPU_INT_ROUTING	HW_REGISTER_RW(ARM_LOCAL_BASE+0x00C)
+#define ARM_LOCAL_PM_ROUTING_SET	HW_REGISTER_RW(ARM_LOCAL_BASE+0x010)
+#define ARM_LOCAL_PM_ROUTING_CLR	HW_REGISTER_RW(ARM_LOCAL_BASE+0x014)
+#define ARM_LOCAL_TIMER_LS		HW_REGISTER_RW(ARM_LOCAL_BASE+0x01C)
+#define ARM_LOCAL_TIMER_MS		HW_REGISTER_RW(ARM_LOCAL_BASE+0x020)
+#define ARM_LOCAL_INT_ROUTING		HW_REGISTER_RW(ARM_LOCAL_BASE+0x024)
+#define ARM_LOCAL_AXI_COUNT		HW_REGISTER_RW(ARM_LOCAL_BASE+0x02C)
+#define ARM_LOCAL_AXI_IRQ		HW_REGISTER_RW(ARM_LOCAL_BASE+0x030)
+#define ARM_LOCAL_TIMER_CONTROL		HW_REGISTER_RW(ARM_LOCAL_BASE+0x034)
+#define ARM_LOCAL_TIMER_WRITE		HW_REGISTER_RW(ARM_LOCAL_BASE+0x038)
+
+#define ARM_LOCAL_TIMER_INT_CONTROL0	HW_REGISTER_RW(ARM_LOCAL_BASE+0x040)
+#define ARM_LOCAL_TIMER_INT_CONTROL1	HW_REGISTER_RW(ARM_LOCAL_BASE+0x044)
+#define ARM_LOCAL_TIMER_INT_CONTROL2	HW_REGISTER_RW(ARM_LOCAL_BASE+0x048)
+#define ARM_LOCAL_TIMER_INT_CONTROL3	HW_REGISTER_RW(ARM_LOCAL_BASE+0x04C)
+
+#define ARM_LOCAL_MAILBOX_INT_CONTROL0	HW_REGISTER_RW(ARM_LOCAL_BASE+0x050)
+#define ARM_LOCAL_MAILBOX_INT_CONTROL1	HW_REGISTER_RW(ARM_LOCAL_BASE+0x054)
+#define ARM_LOCAL_MAILBOX_INT_CONTROL2	HW_REGISTER_RW(ARM_LOCAL_BASE+0x058)
+#define ARM_LOCAL_MAILBOX_INT_CONTROL3	HW_REGISTER_RW(ARM_LOCAL_BASE+0x05C)
+
+#define ARM_LOCAL_IRQ_PENDING0		HW_REGISTER_RW(ARM_LOCAL_BASE+0x060)
+#define ARM_LOCAL_IRQ_PENDING1		HW_REGISTER_RW(ARM_LOCAL_BASE+0x064)
+#define ARM_LOCAL_IRQ_PENDING2		HW_REGISTER_RW(ARM_LOCAL_BASE+0x068)
+#define ARM_LOCAL_IRQ_PENDING3		HW_REGISTER_RW(ARM_LOCAL_BASE+0x06C)
+
+#define ARM_LOCAL_FIQ_PENDING0		HW_REGISTER_RW(ARM_LOCAL_BASE+0x070)
+#define ARM_LOCAL_FIQ_PENDING1		HW_REGISTER_RW(ARM_LOCAL_BASE+0x074)
+#define ARM_LOCAL_FIQ_PENDING2		HW_REGISTER_RW(ARM_LOCAL_BASE+0x078)
+#define ARM_LOCAL_FIQ_PENDING3		HW_REGISTER_RW(ARM_LOCAL_BASE+0x07C)
+
+#define ARM_LOCAL_MAILBOX0_SET0		HW_REGISTER_RW(ARM_LOCAL_BASE+0x080)
+#define ARM_LOCAL_MAILBOX1_SET0		HW_REGISTER_RW(ARM_LOCAL_BASE+0x084)
+#define ARM_LOCAL_MAILBOX2_SET0		HW_REGISTER_RW(ARM_LOCAL_BASE+0x088)
+#define ARM_LOCAL_MAILBOX3_SET0		HW_REGISTER_RW(ARM_LOCAL_BASE+0x08C)
+
+#define ARM_LOCAL_MAILBOX0_SET1		HW_REGISTER_RW(ARM_LOCAL_BASE+0x090)
+#define ARM_LOCAL_MAILBOX1_SET1		HW_REGISTER_RW(ARM_LOCAL_BASE+0x094)
+#define ARM_LOCAL_MAILBOX2_SET1		HW_REGISTER_RW(ARM_LOCAL_BASE+0x098)
+#define ARM_LOCAL_MAILBOX3_SET1		HW_REGISTER_RW(ARM_LOCAL_BASE+0x09C)
+
+#define ARM_LOCAL_MAILBOX0_SET2		HW_REGISTER_RW(ARM_LOCAL_BASE+0x0A0)
+#define ARM_LOCAL_MAILBOX1_SET2		HW_REGISTER_RW(ARM_LOCAL_BASE+0x0A4)
+#define ARM_LOCAL_MAILBOX2_SET2		HW_REGISTER_RW(ARM_LOCAL_BASE+0x0A8)
+#define ARM_LOCAL_MAILBOX3_SET2		HW_REGISTER_RW(ARM_LOCAL_BASE+0x0AC)
+
+#define ARM_LOCAL_MAILBOX0_SET3		HW_REGISTER_RW(ARM_LOCAL_BASE+0x0B0)
+#define ARM_LOCAL_MAILBOX1_SET3		HW_REGISTER_RW(ARM_LOCAL_BASE+0x0B4)
+#define ARM_LOCAL_MAILBOX2_SET3		HW_REGISTER_RW(ARM_LOCAL_BASE+0x0B8)
+#define ARM_LOCAL_MAILBOX3_SET3		HW_REGISTER_RW(ARM_LOCAL_BASE+0x0BC)
+
+#define ARM_LOCAL_MAILBOX0_CLR0		HW_REGISTER_RW(ARM_LOCAL_BASE+0x0C0)
+#define ARM_LOCAL_MAILBOX1_CLR0		HW_REGISTER_RW(ARM_LOCAL_BASE+0x0C4)
+#define ARM_LOCAL_MAILBOX2_CLR0		HW_REGISTER_RW(ARM_LOCAL_BASE+0x0C8)
+#define ARM_LOCAL_MAILBOX3_CLR0		HW_REGISTER_RW(ARM_LOCAL_BASE+0x0CC)
+
+#define ARM_LOCAL_MAILBOX0_CLR1		HW_REGISTER_RW(ARM_LOCAL_BASE+0x0D0)
+#define ARM_LOCAL_MAILBOX1_CLR1		HW_REGISTER_RW(ARM_LOCAL_BASE+0x0D4)
+#define ARM_LOCAL_MAILBOX2_CLR1		HW_REGISTER_RW(ARM_LOCAL_BASE+0x0D8)
+#define ARM_LOCAL_MAILBOX3_CLR1		HW_REGISTER_RW(ARM_LOCAL_BASE+0x0DC)
+
+#define ARM_LOCAL_MAILBOX0_CLR2		HW_REGISTER_RW(ARM_LOCAL_BASE+0x0E0)
+#define ARM_LOCAL_MAILBOX1_CLR2		HW_REGISTER_RW(ARM_LOCAL_BASE+0x0E4)
+#define ARM_LOCAL_MAILBOX2_CLR2		HW_REGISTER_RW(ARM_LOCAL_BASE+0x0E8)
+#define ARM_LOCAL_MAILBOX3_CLR2		HW_REGISTER_RW(ARM_LOCAL_BASE+0x0EC)
+
+#define ARM_LOCAL_MAILBOX0_CLR3		HW_REGISTER_RW(ARM_LOCAL_BASE+0x0F0)
+#define ARM_LOCAL_MAILBOX1_CLR3		HW_REGISTER_RW(ARM_LOCAL_BASE+0x0F4)
+#define ARM_LOCAL_MAILBOX2_CLR3		HW_REGISTER_RW(ARM_LOCAL_BASE+0x0F8)
+#define ARM_LOCAL_MAILBOX3_CLR3		HW_REGISTER_RW(ARM_LOCAL_BASE+0x0FC)
+
+#endif
+
+/* END */
--- /dev/null
+++ b/arch/arm/mach-bcm2709/include/mach/system.h
@@ -0,0 +1,37 @@
+/*
+ *  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/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-bcm2709/include/mach/uncompress.h
@@ -0,0 +1,84 @@
+/*
+ *  arch/arm/mach-bcn2708/include/mach/uncompress.h
+ *
+ *  Copyright (C) 2010 Broadcom
+ *  Copyright (C) 2003 ARM Limited
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <linux/io.h>
+#include <linux/amba/serial.h>
+#include <mach/platform.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-bcm2709/include/mach/vc_mem.h
@@ -0,0 +1,35 @@
+/*****************************************************************************
+* Copyright 2010 - 2011 Broadcom Corporation.  All rights reserved.
+*
+* Unless you and Broadcom execute a separate written software license
+* agreement governing use of this software, this software is licensed to you
+* under the terms of the GNU General Public License version 2, available at
+* http://www.broadcom.com/licenses/GPLv2.php (the "GPL").
+*
+* Notwithstanding the above, under no circumstances may you combine this
+* software in any way with any other Broadcom software provided under a
+* license other than the GPL, without Broadcom's express prior written
+* consent.
+*****************************************************************************/
+
+#if !defined( VC_MEM_H )
+#define VC_MEM_H
+
+#include <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-bcm2709/include/mach/vmalloc.h
@@ -0,0 +1,20 @@
+/*
+ *  arch/arm/mach-bcm2708/include/mach/vmalloc.h
+ *
+ *  Copyright (C) 2010 Broadcom
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+#define VMALLOC_END		(0xff000000)
--- /dev/null
+++ b/arch/arm/mach-bcm2709/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>
+#include <linux/platform_data/mailbox-bcm2708.h>
+
+#ifdef CONFIG_ARCH_KONA
+#include <chal/chal_ipc.h>
+#elif defined(CONFIG_ARCH_BCM2708) || defined(CONFIG_ARCH_BCM2709)
+#else
+#include <csp/chal_ipc.h>
+#endif
+
+#include "mach/vc_mem.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);
--- 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_MULTIPLATFORM || ARCH_MULTI_V6) && (ARCH_INTEGRATOR || MACH_REALVIEW_EB || MACH_REALVIEW_PBX)
+	bool "Support ARM V6 processor" if (!ARCH_MULTIPLATFORM || ARCH_MULTI_V6) && (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/mm/proc-v7.S
+++ b/arch/arm/mm/proc-v7.S
@@ -480,6 +480,7 @@ __errata_finish:
 	orr	r0, r0, r6			@ set them
  THUMB(	orr	r0, r0, #1 << 30	)	@ Thumb exceptions
 	ret	lr				@ return to head.S:__ret
+        .space 256
 ENDPROC(__v7_setup)
 
 	.align	2
--- a/arch/arm/tools/mach-types
+++ b/arch/arm/tools/mach-types
@@ -522,6 +522,8 @@ 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
+bcm2709			MACH_BCM2709		BCM2709			3139
 ag5evm			MACH_AG5EVM		AG5EVM			3189
 ics_if_voip		MACH_ICS_IF_VOIP	ICS_IF_VOIP		3206
 wlf_cragg_6410		MACH_WLF_CRAGG_6410	WLF_CRAGG_6410		3207
--- a/drivers/clocksource/Makefile
+++ b/drivers/clocksource/Makefile
@@ -19,7 +19,7 @@ obj-$(CONFIG_CLKSRC_NOMADIK_MTU)	+= noma
 obj-$(CONFIG_CLKSRC_DBX500_PRCMU)	+= clksrc-dbx500-prcmu.o
 obj-$(CONFIG_ARMADA_370_XP_TIMER)	+= time-armada-370-xp.o
 obj-$(CONFIG_ORION_TIMER)	+= time-orion.o
-obj-$(CONFIG_ARCH_BCM2835)	+= bcm2835_timer.o
+obj-$(CONFIG_ARCH_BCM2835)$(CONFIG_ARCH_BCM2708)	+= bcm2835_timer.o
 obj-$(CONFIG_ARCH_CLPS711X)	+= clps711x-timer.o
 obj-$(CONFIG_ARCH_ATLAS7)	+= timer-atlas7.o
 obj-$(CONFIG_ARCH_MOXART)	+= moxart_timer.o
--- a/drivers/irqchip/Makefile
+++ b/drivers/irqchip/Makefile
@@ -2,6 +2,9 @@ obj-$(CONFIG_IRQCHIP)			+= irqchip.o
 
 obj-$(CONFIG_ARCH_BCM2835)		+= irq-bcm2835.o
 obj-$(CONFIG_ARCH_BCM2835)		+= irq-bcm2836.o
+obj-$(CONFIG_ARCH_BCM2708)		+= irq-bcm2835.o
+obj-$(CONFIG_ARCH_BCM2709)		+= irq-bcm2835.o
+obj-$(CONFIG_ARCH_BCM2709)		+= irq-bcm2836.o
 obj-$(CONFIG_ARCH_EXYNOS)		+= exynos-combiner.o
 obj-$(CONFIG_ARCH_HIP04)		+= irq-hip04.o
 obj-$(CONFIG_ARCH_MMP)			+= irq-mmp.o
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -289,6 +289,7 @@ struct mmc_host {
 #define MMC_CAP2_HSX00_1_2V	(MMC_CAP2_HS200_1_2V_SDR | MMC_CAP2_HS400_1_2V)
 #define MMC_CAP2_SDIO_IRQ_NOTHREAD (1 << 17)
 #define MMC_CAP2_NO_WRITE_PROTECT (1 << 18)	/* No physical write protect pin, assume that card is always read-write */
+#define MMC_CAP2_FORCE_MULTIBLOCK (1 << 31)	/* Always use multiblock transfers */
 
 	mmc_pm_flag_t		pm_caps;	/* supported pm features */