Merge branch 'u300' into devel

Conflicts:
	arch/arm/Makefile
Updates:
	arch/arm/mach-u300/core.c
	arch/arm/mach-u300/timer.c

28 files changed, 5318 insertions, 0 deletions

diff --git a/arch/arm/mach-u300/Kconfig b/arch/arm/mach-u300/Kconfig
new file mode 100644
index 000000000000..337b9aabce49
--- /dev/null
+++ b/arch/arm/mach-u300/Kconfig
@@ -0,0 +1,105 @@
+if ARCH_U300
+
+menu "ST-Ericsson AB U300/U330/U335/U365 Platform"
+
+comment "ST-Ericsson Mobile Platform Products"
+
+config MACH_U300
+	bool "U300"
+
+comment "ST-Ericsson U300/U330/U335/U365 Feature Selections"
+
+choice
+	prompt "U300/U330/U335/U365 system type"
+	default MACH_U300_BS2X
+	---help---
+	You need to select the target system, i.e. the
+	U300/U330/U335/U365 board that you want to compile your kernel
+	for.
+
+config MACH_U300_BS2X
+	bool "S26/S26/B25/B26 Test Products"
+	depends on MACH_U300
+	help
+		Select this if you're developing on the
+		S26/S25 test products. (Also works on
+		B26/B25 big boards.)
+
+config MACH_U300_BS330
+	bool "S330/B330 Test Products"
+	depends on MACH_U300
+	help
+		Select this if you're developing on the
+		S330/B330 test products.
+
+config MACH_U300_BS335
+	bool "S335/B335 Test Products"
+	depends on MACH_U300
+	help
+		Select this if you're developing on the
+		S335/B335 test products.
+
+config MACH_U300_BS365
+	bool "S365/B365 Test Products"
+	depends on MACH_U300
+	help
+		Select this if you're developing on the
+		S365/B365 test products.
+
+endchoice
+
+choice
+	prompt "Memory configuration"
+	default MACH_U300_SINGLE_RAM
+	---help---
+	You have to config the kernel according to the physical memory
+	configuration.
+
+config MACH_U300_SINGLE_RAM
+	bool "Single RAM"
+	help
+		Select this if you want support for Single RAM phones.
+
+config MACH_U300_DUAL_RAM
+	bool "Dual RAM"
+	help
+		Select this if you want support for Dual RAM phones.
+		This is two RAM memorys on different EMIFs.
+endchoice
+
+config U300_DEBUG
+	bool "Debug support for U300"
+	depends on PM
+	help
+		Debug support for U300 in sysfs, procfs etc.
+
+config MACH_U300_SEMI_IS_SHARED
+	bool "The SEMI is used by both the access and application side"
+	depends on MACH_U300
+	help
+		This makes it possible to use the SEMI (Shared External
+		Memory Interface) from both from access and application
+		side.
+
+comment "All the settings below must match the bootloader's settings"
+
+config MACH_U300_ACCESS_MEM_SIZE
+       int "Access CPU memory allocation"
+       range 7 25
+       depends on MACH_U300_SINGLE_RAM
+       default 13
+       help
+		How much memory in MiB that the Access side CPU has allocated
+
+config MACH_U300_2MB_ALIGNMENT_FIX
+       bool "2MiB alignment fix"
+       depends on MACH_U300_SINGLE_RAM
+       default y
+       help
+		If yes and the Access side CPU has allocated an odd size in
+		MiB, this fix gives you one MiB extra that would otherwise be
+		lost due to Linux 2 MiB alignment policy.
+
+endmenu
+
+endif
diff --git a/arch/arm/mach-u300/Makefile b/arch/arm/mach-u300/Makefile
new file mode 100644
index 000000000000..24950e0df4b4
--- /dev/null
+++ b/arch/arm/mach-u300/Makefile
@@ -0,0 +1,11 @@
+#
+# Makefile for the linux kernel, U300 machine.
+#
+
+obj-y		:= core.o clock.o timer.o gpio.o padmux.o
+obj-m		:=
+obj-n		:=
+obj-		:=
+
+obj-$(CONFIG_ARCH_U300)	          += u300.o
+obj-$(CONFIG_MMC)                 += mmc.o
diff --git a/arch/arm/mach-u300/Makefile.boot b/arch/arm/mach-u300/Makefile.boot
new file mode 100644
index 000000000000..6fbfc6ea2d35
--- /dev/null
+++ b/arch/arm/mach-u300/Makefile.boot
@@ -0,0 +1,15 @@
+# Note: the following conditions must always be true:
+#   ZRELADDR == virt_to_phys(TEXTADDR)
+#   PARAMS_PHYS must be within 4MB of ZRELADDR
+#   INITRD_PHYS must be in RAM
+
+ifdef CONFIG_MACH_U300_SINGLE_RAM
+     zreladdr-y	:= 0x28E08000
+  params_phys-y	:= 0x28E00100
+else
+     zreladdr-y	:= 0x48008000
+  params_phys-y	:= 0x48000100
+endif
+
+# This isn't used.
+#initrd_phys-y	:= 0x29800000
diff --git a/arch/arm/mach-u300/clock.c b/arch/arm/mach-u300/clock.c
new file mode 100644
index 000000000000..5cd04d6751b3
--- /dev/null
+++ b/arch/arm/mach-u300/clock.c
@@ -0,0 +1,1487 @@
+/*
+ *
+ * arch/arm/mach-u300/clock.c
+ *
+ *
+ * Copyright (C) 2007-2009 ST-Ericsson AB
+ * License terms: GNU General Public License (GPL) version 2
+ * Define clocks in the app platform.
+ * Author: Linus Walleij <linus.walleij@stericsson.com>
+ * Author: Jonas Aaberg <jonas.aberg@stericsson.com>
+ *
+ */
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/list.h>
+#include <linux/errno.h>
+#include <linux/err.h>
+#include <linux/string.h>
+#include <linux/clk.h>
+#include <linux/mutex.h>
+#include <linux/spinlock.h>
+#include <linux/debugfs.h>
+#include <linux/device.h>
+#include <linux/init.h>
+#include <linux/timer.h>
+#include <linux/io.h>
+
+#include <asm/clkdev.h>
+#include <mach/hardware.h>
+#include <mach/syscon.h>
+
+#include "clock.h"
+
+/*
+ * TODO:
+ * - move all handling of the CCR register into this file and create
+ *   a spinlock for the CCR register
+ * - switch to the clkdevice lookup mechanism that maps clocks to
+ *   device ID:s instead when it becomes available in kernel 2.6.29.
+ * - implement rate get/set for all clocks that need it.
+ */
+
+/*
+ * Syscon clock I/O registers lock so clock requests don't collide
+ * NOTE: this is a local lock only used to lock access to clock and
+ * reset registers in syscon.
+ */
+static DEFINE_SPINLOCK(syscon_clkreg_lock);
+static DEFINE_SPINLOCK(syscon_resetreg_lock);
+
+/*
+ * The clocking hierarchy currently looks like this.
+ * NOTE: the idea is NOT to show how the clocks are routed on the chip!
+ * The ideas is to show dependencies, so a clock higher up in the
+ * hierarchy has to be on in order for another clock to be on. Now,
+ * both CPU and DMA can actually be on top of the hierarchy, and that
+ * is not modeled currently. Instead we have the backbone AMBA bus on
+ * top. This bus cannot be programmed in any way but conceptually it
+ * needs to be active for the bridges and devices to transport data.
+ *
+ * Please be aware that a few clocks are hw controlled, which mean that
+ * the hw itself can turn on/off or change the rate of the clock when
+ * needed!
+ *
+ *  AMBA bus
+ *  |
+ *  +- CPU
+ *  +- NANDIF NAND Flash interface
+ *  +- SEMI Shared Memory interface
+ *  +- ISP Image Signal Processor (U335 only)
+ *  +- CDS (U335 only)
+ *  +- DMA Direct Memory Access Controller
+ *  +- AAIF APP/ACC Inteface (Mobile Scalable Link, MSL)
+ *  +- APEX
+ *  +- VIDEO_ENC AVE2/3 Video Encoder
+ *  +- XGAM Graphics Accelerator Controller
+ *  +- AHB
+ *  |
+ *  +- ahb:0 AHB Bridge
+ *  |  |
+ *  |  +- ahb:1 INTCON Interrupt controller
+ *  |  +- ahb:3 MSPRO  Memory Stick Pro controller
+ *  |  +- ahb:4 EMIF   External Memory interface
+ *  |
+ *  +- fast:0 FAST bridge
+ *  |  |
+ *  |  +- fast:1 MMCSD MMC/SD card reader controller
+ *  |  +- fast:2 I2S0  PCM I2S channel 0 controller
+ *  |  +- fast:3 I2S1  PCM I2S channel 1 controller
+ *  |  +- fast:4 I2C0  I2C channel 0 controller
+ *  |  +- fast:5 I2C1  I2C channel 1 controller
+ *  |  +- fast:6 SPI   SPI controller
+ *  |  +- fast:7 UART1 Secondary UART (U335 only)
+ *  |
+ *  +- slow:0 SLOW bridge
+ *     |
+ *     +- slow:1 SYSCON (not possible to control)
+ *     +- slow:2 WDOG Watchdog
+ *     +- slow:3 UART0 primary UART
+ *     +- slow:4 TIMER_APP Application timer - used in Linux
+ *     +- slow:5 KEYPAD controller
+ *     +- slow:6 GPIO controller
+ *     +- slow:7 RTC controller
+ *     +- slow:8 BT Bus Tracer (not used currently)
+ *     +- slow:9 EH Event Handler (not used currently)
+ *     +- slow:a TIMER_ACC Access style timer (not used currently)
+ *     +- slow:b PPM (U335 only, what is that?)
+ */
+
+/*
+ * Reset control functions. We remember if a block has been
+ * taken out of reset and don't remove the reset assertion again
+ * and vice versa. Currently we only remove resets so the
+ * enablement function is defined out.
+ */
+static void syscon_block_reset_enable(struct clk *clk)
+{
+	u16 val;
+	unsigned long iflags;
+
+	/* Not all blocks support resetting */
+	if (!clk->res_reg || !clk->res_mask)
+		return;
+	spin_lock_irqsave(&syscon_resetreg_lock, iflags);
+	val = readw(clk->res_reg);
+	val |= clk->res_mask;
+	writew(val, clk->res_reg);
+	spin_unlock_irqrestore(&syscon_resetreg_lock, iflags);
+	clk->reset = true;
+}
+
+static void syscon_block_reset_disable(struct clk *clk)
+{
+	u16 val;
+	unsigned long iflags;
+
+	/* Not all blocks support resetting */
+	if (!clk->res_reg || !clk->res_mask)
+		return;
+	spin_lock_irqsave(&syscon_resetreg_lock, iflags);
+	val = readw(clk->res_reg);
+	val &= ~clk->res_mask;
+	writew(val, clk->res_reg);
+	spin_unlock_irqrestore(&syscon_resetreg_lock, iflags);
+	clk->reset = false;
+}
+
+int __clk_get(struct clk *clk)
+{
+	u16 val;
+
+	/* The MMC and MSPRO clocks need some special set-up */
+	if (!strcmp(clk->name, "MCLK")) {
+		/* Set default MMC clock divisor to 18.9 MHz */
+		writew(0x0054U, U300_SYSCON_VBASE + U300_SYSCON_MMF0R);
+		val = readw(U300_SYSCON_VBASE + U300_SYSCON_MMCR);
+		/* Disable the MMC feedback clock */
+		val &= ~U300_SYSCON_MMCR_MMC_FB_CLK_SEL_ENABLE;
+		/* Disable MSPRO frequency */
+		val &= ~U300_SYSCON_MMCR_MSPRO_FREQSEL_ENABLE;
+		writew(val, U300_SYSCON_VBASE + U300_SYSCON_MMCR);
+	}
+	if (!strcmp(clk->name, "MSPRO")) {
+		val = readw(U300_SYSCON_VBASE + U300_SYSCON_MMCR);
+		/* Disable the MMC feedback clock */
+		val &= ~U300_SYSCON_MMCR_MMC_FB_CLK_SEL_ENABLE;
+		/* Enable MSPRO frequency */
+		val |= U300_SYSCON_MMCR_MSPRO_FREQSEL_ENABLE;
+		writew(val, U300_SYSCON_VBASE + U300_SYSCON_MMCR);
+	}
+	return 1;
+}
+EXPORT_SYMBOL(__clk_get);
+
+void __clk_put(struct clk *clk)
+{
+}
+EXPORT_SYMBOL(__clk_put);
+
+static void syscon_clk_disable(struct clk *clk)
+{
+	unsigned long iflags;
+
+	/* Don't touch the hardware controlled clocks */
+	if (clk->hw_ctrld)
+		return;
+
+	spin_lock_irqsave(&syscon_clkreg_lock, iflags);
+	writew(clk->clk_val, U300_SYSCON_VBASE + U300_SYSCON_SBCDR);
+	spin_unlock_irqrestore(&syscon_clkreg_lock, iflags);
+}
+
+static void syscon_clk_enable(struct clk *clk)
+{
+	unsigned long iflags;
+
+	/* Don't touch the hardware controlled clocks */
+	if (clk->hw_ctrld)
+		return;
+
+	spin_lock_irqsave(&syscon_clkreg_lock, iflags);
+	writew(clk->clk_val, U300_SYSCON_VBASE + U300_SYSCON_SBCER);
+	spin_unlock_irqrestore(&syscon_clkreg_lock, iflags);
+}
+
+static u16 syscon_clk_get_rate(void)
+{
+	u16 val;
+	unsigned long iflags;
+
+	spin_lock_irqsave(&syscon_clkreg_lock, iflags);
+	val = readw(U300_SYSCON_VBASE + U300_SYSCON_CCR);
+	val &= U300_SYSCON_CCR_CLKING_PERFORMANCE_MASK;
+	spin_unlock_irqrestore(&syscon_clkreg_lock, iflags);
+	return val;
+}
+
+#ifdef CONFIG_MACH_U300_USE_I2S_AS_MASTER
+static void enable_i2s0_vcxo(void)
+{
+	u16 val;
+	unsigned long iflags;
+
+	spin_lock_irqsave(&syscon_clkreg_lock, iflags);
+	/* Set I2S0 to use the VCXO 26 MHz clock */
+	val = readw(U300_SYSCON_VBASE + U300_SYSCON_CCR);
+	val |= U300_SYSCON_CCR_TURN_VCXO_ON;
+	writew(val, U300_SYSCON_VBASE + U300_SYSCON_CCR);
+	val |= U300_SYSCON_CCR_I2S0_USE_VCXO;
+	writew(val, U300_SYSCON_VBASE + U300_SYSCON_CCR);
+	val = readw(U300_SYSCON_VBASE + U300_SYSCON_CEFR);
+	val |= U300_SYSCON_CEFR_I2S0_CLK_EN;
+	writew(val, U300_SYSCON_VBASE + U300_SYSCON_CEFR);
+	spin_unlock_irqrestore(&syscon_clkreg_lock, iflags);
+}
+
+static void enable_i2s1_vcxo(void)
+{
+	u16 val;
+	unsigned long iflags;
+
+	spin_lock_irqsave(&syscon_clkreg_lock, iflags);
+	/* Set I2S1 to use the VCXO 26 MHz clock */
+	val = readw(U300_SYSCON_VBASE + U300_SYSCON_CCR);
+	val |= U300_SYSCON_CCR_TURN_VCXO_ON;
+	writew(val, U300_SYSCON_VBASE + U300_SYSCON_CCR);
+	val |= U300_SYSCON_CCR_I2S1_USE_VCXO;
+	writew(val, U300_SYSCON_VBASE + U300_SYSCON_CCR);
+	val = readw(U300_SYSCON_VBASE + U300_SYSCON_CEFR);
+	val |= U300_SYSCON_CEFR_I2S1_CLK_EN;
+	writew(val, U300_SYSCON_VBASE + U300_SYSCON_CEFR);
+	spin_unlock_irqrestore(&syscon_clkreg_lock, iflags);
+}
+
+static void disable_i2s0_vcxo(void)
+{
+	u16 val;
+	unsigned long iflags;
+
+	spin_lock_irqsave(&syscon_clkreg_lock, iflags);
+	/* Disable I2S0 use of the VCXO 26 MHz clock */
+	val = readw(U300_SYSCON_VBASE + U300_SYSCON_CCR);
+	val &= ~U300_SYSCON_CCR_I2S0_USE_VCXO;
+	writew(val, U300_SYSCON_VBASE + U300_SYSCON_CCR);
+	/* Deactivate VCXO if noone else is using VCXO */
+	if (!(val & U300_SYSCON_CCR_I2S1_USE_VCXO))
+		val &= ~U300_SYSCON_CCR_TURN_VCXO_ON;
+	writew(val, U300_SYSCON_VBASE + U300_SYSCON_CCR);
+	val = readw(U300_SYSCON_VBASE + U300_SYSCON_CEFR);
+	val &= ~U300_SYSCON_CEFR_I2S0_CLK_EN;
+	writew(val, U300_SYSCON_VBASE + U300_SYSCON_CEFR);
+	spin_unlock_irqrestore(&syscon_clkreg_lock, iflags);
+}
+
+static void disable_i2s1_vcxo(void)
+{
+	u16 val;
+	unsigned long iflags;
+
+	spin_lock_irqsave(&syscon_clkreg_lock, iflags);
+	/* Disable I2S1 use of the VCXO 26 MHz clock */
+	val = readw(U300_SYSCON_VBASE + U300_SYSCON_CCR);
+	val &= ~U300_SYSCON_CCR_I2S1_USE_VCXO;
+	writew(val, U300_SYSCON_VBASE + U300_SYSCON_CCR);
+	/* Deactivate VCXO if noone else is using VCXO */
+	if (!(val & U300_SYSCON_CCR_I2S0_USE_VCXO))
+		val &= ~U300_SYSCON_CCR_TURN_VCXO_ON;
+	writew(val, U300_SYSCON_VBASE + U300_SYSCON_CCR);
+	val = readw(U300_SYSCON_VBASE + U300_SYSCON_CEFR);
+	val &= ~U300_SYSCON_CEFR_I2S0_CLK_EN;
+	writew(val, U300_SYSCON_VBASE + U300_SYSCON_CEFR);
+	spin_unlock_irqrestore(&syscon_clkreg_lock, iflags);
+}
+#endif /* CONFIG_MACH_U300_USE_I2S_AS_MASTER */
+
+
+static void syscon_clk_rate_set_mclk(unsigned long rate)
+{
+	u16 val;
+	u32 reg;
+	unsigned long iflags;
+
+	switch (rate) {
+	case 18900000:
+		val = 0x0054;
+		break;
+	case 20800000:
+		val = 0x0044;
+		break;
+	case 23100000:
+		val = 0x0043;
+		break;
+	case 26000000:
+		val = 0x0033;
+		break;
+	case 29700000:
+		val = 0x0032;
+		break;
+	case 34700000:
+		val = 0x0022;
+		break;
+	case 41600000:
+		val = 0x0021;
+		break;
+	case 52000000:
+		val = 0x0011;
+		break;
+	case 104000000:
+		val = 0x0000;
+		break;
+	default:
+		printk(KERN_ERR "Trying to set MCLK to unknown speed! %ld\n",
+		       rate);
+		return;
+	}
+
+	spin_lock_irqsave(&syscon_clkreg_lock, iflags);
+	reg = readw(U300_SYSCON_VBASE + U300_SYSCON_MMF0R) &
+		~U300_SYSCON_MMF0R_MASK;
+	writew(reg | val, U300_SYSCON_VBASE + U300_SYSCON_MMF0R);
+	spin_unlock_irqrestore(&syscon_clkreg_lock, iflags);
+}
+
+void syscon_clk_rate_set_cpuclk(unsigned long rate)
+{
+	u16 val;
+	unsigned long iflags;
+
+	switch (rate) {
+	case 13000000:
+		val = U300_SYSCON_CCR_CLKING_PERFORMANCE_LOW_POWER;
+		break;
+	case 52000000:
+		val = U300_SYSCON_CCR_CLKING_PERFORMANCE_INTERMEDIATE;
+		break;
+	case 104000000:
+		val = U300_SYSCON_CCR_CLKING_PERFORMANCE_HIGH;
+		break;
+	case 208000000:
+		val = U300_SYSCON_CCR_CLKING_PERFORMANCE_BEST;
+		break;
+	default:
+		return;
+	}
+	spin_lock_irqsave(&syscon_clkreg_lock, iflags);
+	val |= readw(U300_SYSCON_VBASE + U300_SYSCON_CCR) &
+		~U300_SYSCON_CCR_CLKING_PERFORMANCE_MASK ;
+	writew(val, U300_SYSCON_VBASE + U300_SYSCON_CCR);
+	spin_unlock_irqrestore(&syscon_clkreg_lock, iflags);
+}
+EXPORT_SYMBOL(syscon_clk_rate_set_cpuclk);
+
+void clk_disable(struct clk *clk)
+{
+	unsigned long iflags;
+
+	spin_lock_irqsave(&clk->lock, iflags);
+	if (clk->usecount > 0 && !(--clk->usecount)) {
+		/* some blocks lack clocking registers and cannot be disabled */
+		if (clk->disable)
+			clk->disable(clk);
+		if (likely((u32)clk->parent))
+			clk_disable(clk->parent);
+	}
+#ifdef CONFIG_MACH_U300_USE_I2S_AS_MASTER
+	if (unlikely(!strcmp(clk->name, "I2S0")))
+		disable_i2s0_vcxo();
+	if (unlikely(!strcmp(clk->name, "I2S1")))
+		disable_i2s1_vcxo();
+#endif
+	spin_unlock_irqrestore(&clk->lock, iflags);
+}
+EXPORT_SYMBOL(clk_disable);
+
+int clk_enable(struct clk *clk)
+{
+	int ret = 0;
+	unsigned long iflags;
+
+	spin_lock_irqsave(&clk->lock, iflags);
+	if (clk->usecount++ == 0) {
+		if (likely((u32)clk->parent))
+			ret = clk_enable(clk->parent);
+
+		if (unlikely(ret != 0))
+			clk->usecount--;
+		else {
+			/* remove reset line (we never enable reset again) */
+			syscon_block_reset_disable(clk);
+			/* clocks without enable function are always on */
+			if (clk->enable)
+				clk->enable(clk);
+#ifdef CONFIG_MACH_U300_USE_I2S_AS_MASTER
+			if (unlikely(!strcmp(clk->name, "I2S0")))
+				enable_i2s0_vcxo();
+			if (unlikely(!strcmp(clk->name, "I2S1")))
+				enable_i2s1_vcxo();
+#endif
+		}
+	}
+	spin_unlock_irqrestore(&clk->lock, iflags);
+	return ret;
+
+}
+EXPORT_SYMBOL(clk_enable);
+
+/* Returns the clock rate in Hz */
+static unsigned long clk_get_rate_cpuclk(struct clk *clk)
+{
+	u16 val;
+
+	val = syscon_clk_get_rate();
+
+	switch (val) {
+	case U300_SYSCON_CCR_CLKING_PERFORMANCE_LOW_POWER:
+	case U300_SYSCON_CCR_CLKING_PERFORMANCE_LOW:
+		return 13000000;
+	case U300_SYSCON_CCR_CLKING_PERFORMANCE_INTERMEDIATE:
+		return 52000000;
+	case U300_SYSCON_CCR_CLKING_PERFORMANCE_HIGH:
+		return 104000000;
+	case U300_SYSCON_CCR_CLKING_PERFORMANCE_BEST:
+		return 208000000;
+	default:
+		break;
+	}
+	return clk->rate;
+}
+
+static unsigned long clk_get_rate_ahb_clk(struct clk *clk)
+{
+	u16 val;
+
+	val = syscon_clk_get_rate();
+
+	switch (val) {
+	case U300_SYSCON_CCR_CLKING_PERFORMANCE_LOW_POWER:
+	case U300_SYSCON_CCR_CLKING_PERFORMANCE_LOW:
+		return 6500000;
+	case U300_SYSCON_CCR_CLKING_PERFORMANCE_INTERMEDIATE:
+		return 26000000;
+	case U300_SYSCON_CCR_CLKING_PERFORMANCE_HIGH:
+	case U300_SYSCON_CCR_CLKING_PERFORMANCE_BEST:
+		return 52000000;
+	default:
+		break;
+	}
+	return clk->rate;
+
+}
+
+static unsigned long clk_get_rate_emif_clk(struct clk *clk)
+{
+	u16 val;
+
+	val = syscon_clk_get_rate();
+
+	switch (val) {
+	case U300_SYSCON_CCR_CLKING_PERFORMANCE_LOW_POWER:
+	case U300_SYSCON_CCR_CLKING_PERFORMANCE_LOW:
+		return 13000000;
+	case U300_SYSCON_CCR_CLKING_PERFORMANCE_INTERMEDIATE:
+		return 52000000;
+	case U300_SYSCON_CCR_CLKING_PERFORMANCE_HIGH:
+	case U300_SYSCON_CCR_CLKING_PERFORMANCE_BEST:
+		return 104000000;
+	default:
+		break;
+	}
+	return clk->rate;
+
+}
+
+static unsigned long clk_get_rate_xgamclk(struct clk *clk)
+{
+	u16 val;
+
+	val = syscon_clk_get_rate();
+
+	switch (val) {
+	case U300_SYSCON_CCR_CLKING_PERFORMANCE_LOW_POWER:
+	case U300_SYSCON_CCR_CLKING_PERFORMANCE_LOW:
+		return 6500000;
+	case U300_SYSCON_CCR_CLKING_PERFORMANCE_INTERMEDIATE:
+		return 26000000;
+	case U300_SYSCON_CCR_CLKING_PERFORMANCE_HIGH:
+	case U300_SYSCON_CCR_CLKING_PERFORMANCE_BEST:
+		return 52000000;
+	default:
+		break;
+	}
+
+	return clk->rate;
+}
+
+static unsigned long clk_get_rate_mclk(struct clk *clk)
+{
+	u16 val;
+
+	val = syscon_clk_get_rate();
+
+	switch (val) {
+	case U300_SYSCON_CCR_CLKING_PERFORMANCE_LOW_POWER:
+		/*
+		 * Here, the 208 MHz PLL gets shut down and the always
+		 * on 13 MHz PLL used for RTC etc kicks into use
+		 * instead.
+		 */
+		return 13000000;
+	case U300_SYSCON_CCR_CLKING_PERFORMANCE_LOW:
+	case U300_SYSCON_CCR_CLKING_PERFORMANCE_INTERMEDIATE:
+	case U300_SYSCON_CCR_CLKING_PERFORMANCE_HIGH:
+	case U300_SYSCON_CCR_CLKING_PERFORMANCE_BEST:
+	{
+		/*
+		 * This clock is under program control. The register is
+		 * divided in two nybbles, bit 7-4 gives cycles-1 to count
+		 * high, bit 3-0 gives cycles-1 to count low. Distribute
+		 * these with no more than 1 cycle difference between
+		 * low and high and add low and high to get the actual
+		 * divisor. The base PLL is 208 MHz. Writing 0x00 will
+		 * divide by 1 and 1 so the highest frequency possible
+		 * is 104 MHz.
+		 *
+		 * e.g. 0x54 =>
+		 * f = 208 / ((5+1) + (4+1)) = 208 / 11 = 18.9 MHz
+		 */
+		u16 val = readw(U300_SYSCON_VBASE + U300_SYSCON_MMF0R) &
+			U300_SYSCON_MMF0R_MASK;
+		switch (val) {
+		case 0x0054:
+			return 18900000;
+		case 0x0044:
+			return 20800000;
+		case 0x0043:
+			return 23100000;
+		case 0x0033:
+			return 26000000;
+		case 0x0032:
+			return 29700000;
+		case 0x0022:
+			return 34700000;
+		case 0x0021:
+			return 41600000;
+		case 0x0011:
+			return 52000000;
+		case 0x0000:
+			return 104000000;
+		default:
+			break;
+		}
+	}
+	default:
+		break;
+	}
+
+	return clk->rate;
+}
+
+static unsigned long clk_get_rate_i2s_i2c_spi(struct clk *clk)
+{
+	u16 val;
+
+	val = syscon_clk_get_rate();
+
+	switch (val) {
+	case U300_SYSCON_CCR_CLKING_PERFORMANCE_LOW_POWER:
+	case U300_SYSCON_CCR_CLKING_PERFORMANCE_LOW:
+		return 13000000;
+	case U300_SYSCON_CCR_CLKING_PERFORMANCE_INTERMEDIATE:
+	case U300_SYSCON_CCR_CLKING_PERFORMANCE_HIGH:
+	case U300_SYSCON_CCR_CLKING_PERFORMANCE_BEST:
+		return 26000000;
+	default:
+		break;
+	}
+
+	return clk->rate;
+}
+
+unsigned long clk_get_rate(struct clk *clk)
+{
+	if (clk->get_rate)
+		return clk->get_rate(clk);
+	else
+		return clk->rate;
+}
+EXPORT_SYMBOL(clk_get_rate);
+
+static unsigned long clk_round_rate_mclk(struct clk *clk, unsigned long rate)
+{
+	if (rate >= 18900000)
+		return 18900000;
+	if (rate >= 20800000)
+		return 20800000;
+	if (rate >= 23100000)
+		return 23100000;
+	if (rate >= 26000000)
+		return 26000000;
+	if (rate >= 29700000)
+		return 29700000;
+	if (rate >= 34700000)
+		return 34700000;
+	if (rate >= 41600000)
+		return 41600000;
+	if (rate >= 52000000)
+		return 52000000;
+	return -EINVAL;
+}
+
+static unsigned long clk_round_rate_cpuclk(struct clk *clk, unsigned long rate)
+{
+	if (rate >= 13000000)
+		return 13000000;
+	if (rate >= 52000000)
+		return 52000000;
+	if (rate >= 104000000)
+		return 104000000;
+	if (rate >= 208000000)
+		return 208000000;
+	return -EINVAL;
+}
+
+/*
+ * This adjusts a requested rate to the closest exact rate
+ * a certain clock can provide. For a fixed clock it's
+ * mostly clk->rate.
+ */
+long clk_round_rate(struct clk *clk, unsigned long rate)
+{
+	/* TODO: get apropriate switches for EMIFCLK, AHBCLK and MCLK */
+	/* Else default to fixed value */
+
+	if (clk->round_rate) {
+		return (long) clk->round_rate(clk, rate);
+	} else {
+		printk(KERN_ERR "clock: Failed to round rate of %s\n",
+		       clk->name);
+	}
+	return (long) clk->rate;
+}
+EXPORT_SYMBOL(clk_round_rate);
+
+static int clk_set_rate_mclk(struct clk *clk, unsigned long rate)
+{
+	syscon_clk_rate_set_mclk(clk_round_rate(clk, rate));
+	return 0;
+}
+
+static int clk_set_rate_cpuclk(struct clk *clk, unsigned long rate)
+{
+	syscon_clk_rate_set_cpuclk(clk_round_rate(clk, rate));
+	return 0;
+}
+
+int clk_set_rate(struct clk *clk, unsigned long rate)
+{
+	/* TODO: set for EMIFCLK and AHBCLK */
+	/* Else assume the clock is fixed and fail */
+	if (clk->set_rate) {
+		return clk->set_rate(clk, rate);
+	} else {
+		printk(KERN_ERR "clock: Failed to set %s to %ld hz\n",
+		       clk->name, rate);
+		return -EINVAL;
+	}
+}
+EXPORT_SYMBOL(clk_set_rate);
+
+/*
+ * Clock definitions. The clock parents are set to respective
+ * bridge and the clock framework makes sure that the clocks have
+ * parents activated and are brought out of reset when in use.
+ *
+ * Clocks that have hw_ctrld = true are hw controlled, and the hw
+ * can by itself turn these clocks on and off.
+ * So in other words, we don't really have to care about them.
+ */
+
+static struct clk amba_clk = {
+	.name	    = "AMBA",
+	.rate	    = 52000000, /* this varies! */
+	.hw_ctrld   = true,
+	.reset	    = false,
+};
+
+/*
+ * These blocks are connected directly to the AMBA bus
+ * with no bridge.
+ */
+
+static struct clk cpu_clk = {
+	.name	    = "CPU",
+	.parent	    = &amba_clk,
+	.rate	    = 208000000, /* this varies! */
+	.hw_ctrld   = true,
+	.reset	    = true,
+	.res_reg    = U300_SYSCON_VBASE + U300_SYSCON_RRR,
+	.res_mask   = U300_SYSCON_RRR_CPU_RESET_EN,
+	.set_rate   = clk_set_rate_cpuclk,
+	.get_rate   = clk_get_rate_cpuclk,
+	.round_rate = clk_round_rate_cpuclk,
+};
+
+static struct clk nandif_clk = {
+	.name       = "NANDIF",
+	.parent	    = &amba_clk,
+	.hw_ctrld   = false,
+	.reset	    = true,
+	.res_reg    = U300_SYSCON_VBASE + U300_SYSCON_RRR,
+	.res_mask   = U300_SYSCON_RRR_NANDIF_RESET_EN,
+	.clk_val    = U300_SYSCON_SBCER_NANDIF_CLK_EN,
+	.enable     = syscon_clk_enable,
+	.disable    = syscon_clk_disable,
+};
+
+static struct clk semi_clk = {
+	.name       = "SEMI",
+	.parent	    = &amba_clk,
+	.rate       = 0, /* FIXME */
+	/* It is not possible to reset SEMI */
+	.hw_ctrld   = false,
+	.reset	    = false,
+	.clk_val    = U300_SYSCON_SBCER_SEMI_CLK_EN,
+	.enable     = syscon_clk_enable,
+	.disable    = syscon_clk_disable,
+};
+
+#ifdef CONFIG_MACH_U300_BS335
+static struct clk isp_clk = {
+	.name	    = "ISP",
+	.parent	    = &amba_clk,
+	.rate	    = 0, /* FIXME */
+	.hw_ctrld   = false,
+	.reset	    = true,
+	.res_reg    = U300_SYSCON_VBASE + U300_SYSCON_RRR,
+	.res_mask   = U300_SYSCON_RRR_ISP_RESET_EN,
+	.clk_val    = U300_SYSCON_SBCER_ISP_CLK_EN,
+	.enable     = syscon_clk_enable,
+	.disable    = syscon_clk_disable,
+};
+
+static struct clk cds_clk = {
+	.name	    = "CDS",
+	.parent	    = &amba_clk,
+	.rate	    = 0, /* FIXME */
+	.hw_ctrld   = false,
+	.reset	    = true,
+	.res_reg    = U300_SYSCON_VBASE + U300_SYSCON_RRR,
+	.res_mask   = U300_SYSCON_RRR_CDS_RESET_EN,
+	.clk_val    = U300_SYSCON_SBCER_CDS_CLK_EN,
+	.enable     = syscon_clk_enable,
+	.disable    = syscon_clk_disable,
+};
+#endif
+
+static struct clk dma_clk = {
+	.name       = "DMA",
+	.parent	    = &amba_clk,
+	.rate       = 52000000, /* this varies! */
+	.hw_ctrld   = true,
+	.reset	    = true,
+	.res_reg    = U300_SYSCON_VBASE + U300_SYSCON_RRR,
+	.res_mask   = U300_SYSCON_RRR_DMAC_RESET_EN,
+	.clk_val    = U300_SYSCON_SBCER_DMAC_CLK_EN,
+	.enable     = syscon_clk_enable,
+	.disable    = syscon_clk_disable,
+};
+
+static struct clk aaif_clk = {
+	.name       = "AAIF",
+	.parent	    = &amba_clk,
+	.rate       = 52000000, /* this varies! */
+	.hw_ctrld   = true,
+	.reset	    = true,
+	.res_reg    = U300_SYSCON_VBASE + U300_SYSCON_RRR,
+	.res_mask   = U300_SYSCON_RRR_AAIF_RESET_EN,
+	.clk_val    = U300_SYSCON_SBCER_AAIF_CLK_EN,
+	.enable     = syscon_clk_enable,
+	.disable    = syscon_clk_disable,
+};
+
+static struct clk apex_clk = {
+	.name       = "APEX",
+	.parent	    = &amba_clk,
+	.rate       = 0, /* FIXME */
+	.hw_ctrld   = true,
+	.reset	    = true,
+	.res_reg    = U300_SYSCON_VBASE + U300_SYSCON_RRR,
+	.res_mask   = U300_SYSCON_RRR_APEX_RESET_EN,
+	.clk_val    = U300_SYSCON_SBCER_APEX_CLK_EN,
+	.enable     = syscon_clk_enable,
+	.disable    = syscon_clk_disable,
+};
+
+static struct clk video_enc_clk = {
+	.name       = "VIDEO_ENC",
+	.parent	    = &amba_clk,
+	.rate       = 208000000, /* this varies! */
+	.hw_ctrld   = false,
+	.reset	    = false,
+	.res_reg    = U300_SYSCON_VBASE + U300_SYSCON_RRR,
+	/* This has XGAM in the name but refers to the video encoder */
+	.res_mask   = U300_SYSCON_RRR_XGAM_VC_SYNC_RESET_EN,
+	.clk_val    = U300_SYSCON_SBCER_VIDEO_ENC_CLK_EN,
+	.enable     = syscon_clk_enable,
+	.disable    = syscon_clk_disable,
+};
+
+static struct clk xgam_clk = {
+	.name       = "XGAMCLK",
+	.parent	    = &amba_clk,
+	.rate       = 52000000, /* this varies! */
+	.hw_ctrld   = false,
+	.reset	    = true,
+	.res_reg    = U300_SYSCON_VBASE + U300_SYSCON_RRR,
+	.res_mask   = U300_SYSCON_RRR_XGAM_RESET_EN,
+	.clk_val    = U300_SYSCON_SBCER_XGAM_CLK_EN,
+	.get_rate   = clk_get_rate_xgamclk,
+	.enable     = syscon_clk_enable,
+	.disable    = syscon_clk_disable,
+};
+
+/* This clock is used to activate the video encoder */
+static struct clk ahb_clk = {
+	.name	    = "AHB",
+	.parent	    = &amba_clk,
+	.rate	    = 52000000, /* this varies! */
+	.hw_ctrld   = false, /* This one is set to false due to HW bug */
+	.reset	    = true,
+	.res_reg    = U300_SYSCON_VBASE + U300_SYSCON_RRR,
+	.res_mask   = U300_SYSCON_RRR_AHB_RESET_EN,
+	.clk_val    = U300_SYSCON_SBCER_AHB_CLK_EN,
+	.enable     = syscon_clk_enable,
+	.disable    = syscon_clk_disable,
+	.get_rate   = clk_get_rate_ahb_clk,
+};
+
+
+/*
+ * Clocks on the AHB bridge
+ */
+
+static struct clk ahb_subsys_clk = {
+	.name	    = "AHB_SUBSYS",
+	.parent	    = &amba_clk,
+	.rate	    = 52000000, /* this varies! */
+	.hw_ctrld   = true,
+	.reset	    = false,
+	.clk_val    = U300_SYSCON_SBCER_AHB_SUBSYS_BRIDGE_CLK_EN,
+	.enable     = syscon_clk_enable,
+	.disable    = syscon_clk_disable,
+	.get_rate   = clk_get_rate_ahb_clk,
+};
+
+static struct clk intcon_clk = {
+	.name	    = "INTCON",
+	.parent	    = &ahb_subsys_clk,
+	.rate	    = 52000000, /* this varies! */
+	.hw_ctrld   = false,
+	.reset	    = true,
+	.res_reg    = U300_SYSCON_VBASE + U300_SYSCON_RRR,
+	.res_mask   = U300_SYSCON_RRR_INTCON_RESET_EN,
+	/* INTCON can be reset but not clock-gated */
+};
+
+static struct clk mspro_clk = {
+	.name       = "MSPRO",
+	.parent	    = &ahb_subsys_clk,
+	.rate       = 0, /* FIXME */
+	.hw_ctrld   = false,
+	.reset	    = true,
+	.res_reg    = U300_SYSCON_VBASE + U300_SYSCON_RRR,
+	.res_mask   = U300_SYSCON_RRR_MSPRO_RESET_EN,
+	.clk_val    = U300_SYSCON_SBCER_MSPRO_CLK_EN,
+	.enable     = syscon_clk_enable,
+	.disable    = syscon_clk_disable,
+};
+
+static struct clk emif_clk = {
+	.name	    = "EMIF",
+	.parent	    = &ahb_subsys_clk,
+	.rate	    = 104000000, /* this varies! */
+	.hw_ctrld   = false,
+	.reset	    = true,
+	.res_reg    = U300_SYSCON_VBASE + U300_SYSCON_RRR,
+	.res_mask   = U300_SYSCON_RRR_EMIF_RESET_EN,
+	.clk_val    = U300_SYSCON_SBCER_EMIF_CLK_EN,
+	.enable     = syscon_clk_enable,
+	.disable    = syscon_clk_disable,
+	.get_rate   = clk_get_rate_emif_clk,
+};
+
+
+/*
+ * Clocks on the FAST bridge
+ */
+static struct clk fast_clk = {
+	.name	    = "FAST_BRIDGE",
+	.parent	    = &amba_clk,
+	.rate	    = 13000000, /* this varies! */
+	.hw_ctrld   = true,
+	.reset	    = true,
+	.res_reg    = U300_SYSCON_VBASE + U300_SYSCON_RFR,
+	.res_mask   = U300_SYSCON_RFR_FAST_BRIDGE_RESET_ENABLE,
+	.clk_val    = U300_SYSCON_SBCER_FAST_BRIDGE_CLK_EN,
+	.enable     = syscon_clk_enable,
+	.disable    = syscon_clk_disable,
+};
+
+static struct clk mmcsd_clk = {
+	.name       = "MCLK",
+	.parent	    = &fast_clk,
+	.rate       = 18900000, /* this varies! */
+	.hw_ctrld   = false,
+	.reset	    = true,
+	.res_reg    = U300_SYSCON_VBASE + U300_SYSCON_RFR,
+	.res_mask   = U300_SYSCON_RFR_MMC_RESET_ENABLE,
+	.clk_val    = U300_SYSCON_SBCER_MMC_CLK_EN,
+	.get_rate   = clk_get_rate_mclk,
+	.set_rate   = clk_set_rate_mclk,
+	.round_rate = clk_round_rate_mclk,
+	.disable    = syscon_clk_disable,
+	.enable     = syscon_clk_enable,
+};
+
+static struct clk i2s0_clk = {
+	.name       = "i2s0",
+	.parent	    = &fast_clk,
+	.rate       = 26000000, /* this varies! */
+	.hw_ctrld   = true,
+	.reset	    = true,
+	.res_reg    = U300_SYSCON_VBASE + U300_SYSCON_RFR,
+	.res_mask   = U300_SYSCON_RFR_PCM_I2S0_RESET_ENABLE,
+	.clk_val    = U300_SYSCON_SBCER_I2S0_CORE_CLK_EN,
+	.enable     = syscon_clk_enable,
+	.disable    = syscon_clk_disable,
+	.get_rate   = clk_get_rate_i2s_i2c_spi,
+};
+
+static struct clk i2s1_clk = {
+	.name       = "i2s1",
+	.parent	    = &fast_clk,
+	.rate       = 26000000, /* this varies! */
+	.hw_ctrld   = true,
+	.reset	    = true,
+	.res_reg    = U300_SYSCON_VBASE + U300_SYSCON_RFR,
+	.res_mask   = U300_SYSCON_RFR_PCM_I2S1_RESET_ENABLE,
+	.clk_val    = U300_SYSCON_SBCER_I2S1_CORE_CLK_EN,
+	.enable     = syscon_clk_enable,
+	.disable    = syscon_clk_disable,
+	.get_rate   = clk_get_rate_i2s_i2c_spi,
+};
+
+static struct clk i2c0_clk = {
+	.name       = "I2C0",
+	.parent	    = &fast_clk,
+	.rate       = 26000000, /* this varies! */
+	.hw_ctrld   = false,
+	.reset	    = true,
+	.res_reg    = U300_SYSCON_VBASE + U300_SYSCON_RFR,
+	.res_mask   = U300_SYSCON_RFR_I2C0_RESET_ENABLE,
+	.clk_val    = U300_SYSCON_SBCER_I2C0_CLK_EN,
+	.enable     = syscon_clk_enable,
+	.disable    = syscon_clk_disable,
+	.get_rate   = clk_get_rate_i2s_i2c_spi,
+};
+
+static struct clk i2c1_clk = {
+	.name       = "I2C1",
+	.parent	    = &fast_clk,
+	.rate       = 26000000, /* this varies! */
+	.hw_ctrld   = false,
+	.reset	    = true,
+	.res_reg    = U300_SYSCON_VBASE + U300_SYSCON_RFR,
+	.res_mask   = U300_SYSCON_RFR_I2C1_RESET_ENABLE,
+	.clk_val    = U300_SYSCON_SBCER_I2C1_CLK_EN,
+	.enable     = syscon_clk_enable,
+	.disable    = syscon_clk_disable,
+	.get_rate   = clk_get_rate_i2s_i2c_spi,
+};
+
+static struct clk spi_clk = {
+	.name       = "SPI",
+	.parent	    = &fast_clk,
+	.rate       = 26000000, /* this varies! */
+	.hw_ctrld   = false,
+	.reset	    = true,
+	.res_reg    = U300_SYSCON_VBASE + U300_SYSCON_RFR,
+	.res_mask   = U300_SYSCON_RFR_SPI_RESET_ENABLE,
+	.clk_val    = U300_SYSCON_SBCER_SPI_CLK_EN,
+	.enable     = syscon_clk_enable,
+	.disable    = syscon_clk_disable,
+	.get_rate   = clk_get_rate_i2s_i2c_spi,
+};
+
+#ifdef CONFIG_MACH_U300_BS335
+static struct clk uart1_clk = {
+	.name	    = "UART1",
+	.parent	    = &fast_clk,
+	.rate	    = 13000000,
+	.hw_ctrld   = false,
+	.reset	    = true,
+	.res_reg    = U300_SYSCON_VBASE + U300_SYSCON_RFR,
+	.res_mask   = U300_SYSCON_RFR_UART1_RESET_ENABLE,
+	.clk_val    = U300_SYSCON_SBCER_UART1_CLK_EN,
+	.enable     = syscon_clk_enable,
+	.disable    = syscon_clk_disable,
+};
+#endif
+
+
+/*
+ * Clocks on the SLOW bridge
+ */
+static struct clk slow_clk = {
+	.name	    = "SLOW_BRIDGE",
+	.parent	    = &amba_clk,
+	.rate	    = 13000000,
+	.hw_ctrld   = true,
+	.reset	    = true,
+	.res_reg    = U300_SYSCON_VBASE + U300_SYSCON_RSR,
+	.res_mask   = U300_SYSCON_RSR_SLOW_BRIDGE_RESET_EN,
+	.clk_val    = U300_SYSCON_SBCER_SLOW_BRIDGE_CLK_EN,
+	.enable     = syscon_clk_enable,
+	.disable    = syscon_clk_disable,
+};
+
+/* TODO: implement SYSCON clock? */
+
+static struct clk wdog_clk = {
+	.name	    = "WDOG",
+	.parent	    = &slow_clk,
+	.hw_ctrld   = false,
+	.rate	    = 32768,
+	.reset	    = false,
+	/* This is always on, cannot be enabled/disabled or reset */
+};
+
+/* This one is hardwired to PLL13 */
+static struct clk uart_clk = {
+	.name	    = "UARTCLK",
+	.parent	    = &slow_clk,
+	.rate	    = 13000000,
+	.hw_ctrld   = false,
+	.reset	    = true,
+	.res_reg    = U300_SYSCON_VBASE + U300_SYSCON_RSR,
+	.res_mask   = U300_SYSCON_RSR_UART_RESET_EN,
+	.clk_val    = U300_SYSCON_SBCER_UART_CLK_EN,
+	.enable     = syscon_clk_enable,
+	.disable    = syscon_clk_disable,
+};
+
+static struct clk keypad_clk = {
+	.name       = "KEYPAD",
+	.parent	    = &slow_clk,
+	.rate       = 32768,
+	.hw_ctrld   = false,
+	.reset	    = true,
+	.res_reg    = U300_SYSCON_VBASE + U300_SYSCON_RSR,
+	.res_mask   = U300_SYSCON_RSR_KEYPAD_RESET_EN,
+	.clk_val    = U300_SYSCON_SBCER_KEYPAD_CLK_EN,
+	.enable     = syscon_clk_enable,
+	.disable    = syscon_clk_disable,
+};
+
+static struct clk gpio_clk = {
+	.name       = "GPIO",
+	.parent	    = &slow_clk,
+	.rate       = 13000000,
+	.hw_ctrld   = true,
+	.reset	    = true,
+	.res_reg    = U300_SYSCON_VBASE + U300_SYSCON_RSR,
+	.res_mask   = U300_SYSCON_RSR_GPIO_RESET_EN,
+	.clk_val    = U300_SYSCON_SBCER_GPIO_CLK_EN,
+	.enable     = syscon_clk_enable,
+	.disable    = syscon_clk_disable,
+};
+
+static struct clk rtc_clk = {
+	.name	    = "RTC",
+	.parent	    = &slow_clk,
+	.rate	    = 32768,
+	.hw_ctrld   = true,
+	.reset	    = true,
+	.res_reg    = U300_SYSCON_VBASE + U300_SYSCON_RSR,
+	.res_mask   = U300_SYSCON_RSR_RTC_RESET_EN,
+	/* This clock is always on, cannot be enabled/disabled */
+};
+
+static struct clk bustr_clk = {
+	.name       = "BUSTR",
+	.parent	    = &slow_clk,
+	.rate       = 13000000,
+	.hw_ctrld   = true,
+	.reset	    = true,
+	.res_reg    = U300_SYSCON_VBASE + U300_SYSCON_RSR,
+	.res_mask   = U300_SYSCON_RSR_BTR_RESET_EN,
+	.clk_val    = U300_SYSCON_SBCER_BTR_CLK_EN,
+	.enable     = syscon_clk_enable,
+	.disable    = syscon_clk_disable,
+};
+
+static struct clk evhist_clk = {
+	.name       = "EVHIST",
+	.parent	    = &slow_clk,
+	.rate       = 13000000,
+	.hw_ctrld   = true,
+	.reset	    = true,
+	.res_reg    = U300_SYSCON_VBASE + U300_SYSCON_RSR,
+	.res_mask   = U300_SYSCON_RSR_EH_RESET_EN,
+	.clk_val    = U300_SYSCON_SBCER_EH_CLK_EN,
+	.enable     = syscon_clk_enable,
+	.disable    = syscon_clk_disable,
+};
+
+static struct clk timer_clk = {
+	.name       = "TIMER",
+	.parent	    = &slow_clk,
+	.rate       = 13000000,
+	.hw_ctrld   = true,
+	.reset	    = true,
+	.res_reg    = U300_SYSCON_VBASE + U300_SYSCON_RSR,
+	.res_mask   = U300_SYSCON_RSR_ACC_TMR_RESET_EN,
+	.clk_val    = U300_SYSCON_SBCER_ACC_TMR_CLK_EN,
+	.enable     = syscon_clk_enable,
+	.disable    = syscon_clk_disable,
+};
+
+static struct clk app_timer_clk = {
+	.name       = "TIMER_APP",
+	.parent	    = &slow_clk,
+	.rate       = 13000000,
+	.hw_ctrld   = true,
+	.reset	    = true,
+	.res_reg    = U300_SYSCON_VBASE + U300_SYSCON_RSR,
+	.res_mask   = U300_SYSCON_RSR_APP_TMR_RESET_EN,
+	.clk_val    = U300_SYSCON_SBCER_APP_TMR_CLK_EN,
+	.enable     = syscon_clk_enable,
+	.disable    = syscon_clk_disable,
+};
+
+#ifdef CONFIG_MACH_U300_BS335
+static struct clk ppm_clk = {
+	.name	    = "PPM",
+	.parent	    = &slow_clk,
+	.rate	    = 0, /* FIXME */
+	.hw_ctrld   = true, /* TODO: Look up if it is hw ctrld or not */
+	.reset	    = true,
+	.res_reg    = U300_SYSCON_VBASE + U300_SYSCON_RSR,
+	.res_mask   = U300_SYSCON_RSR_PPM_RESET_EN,
+	.clk_val    = U300_SYSCON_SBCER_PPM_CLK_EN,
+	.enable     = syscon_clk_enable,
+	.disable    = syscon_clk_disable,
+};
+#endif
+
+#define DEF_LOOKUP(devid, clkref)		\
+	{					\
+	.dev_id = devid,			\
+	.clk = clkref,				\
+	}
+
+/*
+ * Here we only define clocks that are meaningful to
+ * look up through clockdevice.
+ */
+static struct clk_lookup lookups[] = {
+	/* Connected directly to the AMBA bus */
+	DEF_LOOKUP("amba", &amba_clk),
+	DEF_LOOKUP("cpu", &cpu_clk),
+	DEF_LOOKUP("nandif", &nandif_clk),
+	DEF_LOOKUP("semi", &semi_clk),
+#ifdef CONFIG_MACH_U300_BS335
+	DEF_LOOKUP("isp", &isp_clk),
+	DEF_LOOKUP("cds", &cds_clk),
+#endif
+	DEF_LOOKUP("dma", &dma_clk),
+	DEF_LOOKUP("aaif", &aaif_clk),
+	DEF_LOOKUP("apex", &apex_clk),
+	DEF_LOOKUP("video_enc", &video_enc_clk),
+	DEF_LOOKUP("xgam", &xgam_clk),
+	DEF_LOOKUP("ahb", &ahb_clk),
+	/* AHB bridge clocks */
+	DEF_LOOKUP("ahb", &ahb_subsys_clk),
+	DEF_LOOKUP("intcon", &intcon_clk),
+	DEF_LOOKUP("mspro", &mspro_clk),
+	DEF_LOOKUP("pl172", &emif_clk),
+	/* FAST bridge clocks */
+	DEF_LOOKUP("fast", &fast_clk),
+	DEF_LOOKUP("mmci", &mmcsd_clk),
+	/*
+	 * The .0 and .1 identifiers on these comes from the platform device
+	 * .id field and are assigned when the platform devices are registered.
+	 */
+	DEF_LOOKUP("i2s.0", &i2s0_clk),
+	DEF_LOOKUP("i2s.1", &i2s1_clk),
+	DEF_LOOKUP("stddci2c.0", &i2c0_clk),
+	DEF_LOOKUP("stddci2c.1", &i2c1_clk),
+	DEF_LOOKUP("pl022", &spi_clk),
+#ifdef CONFIG_MACH_U300_BS335
+	DEF_LOOKUP("uart1", &uart1_clk),
+#endif
+	/* SLOW bridge clocks */
+	DEF_LOOKUP("slow", &slow_clk),
+	DEF_LOOKUP("wdog", &wdog_clk),
+	DEF_LOOKUP("uart0", &uart_clk),
+	DEF_LOOKUP("apptimer", &app_timer_clk),
+	DEF_LOOKUP("keypad", &keypad_clk),
+	DEF_LOOKUP("u300-gpio", &gpio_clk),
+	DEF_LOOKUP("rtc0", &rtc_clk),
+	DEF_LOOKUP("bustr", &bustr_clk),
+	DEF_LOOKUP("evhist", &evhist_clk),
+	DEF_LOOKUP("timer", &timer_clk),
+#ifdef CONFIG_MACH_U300_BS335
+	DEF_LOOKUP("ppm", &ppm_clk),
+#endif
+};
+
+static void __init clk_register(void)
+{
+	int i;
+
+	/* Register the lookups */
+	for (i = 0; i < ARRAY_SIZE(lookups); i++)
+		clkdev_add(&lookups[i]);
+}
+
+/*
+ * These are the clocks for cells registered as primecell drivers
+ * on the AMBA bus. These must be on during AMBA device registration
+ * since the bus probe will attempt to read magic configuration
+ * registers for these devices. If they are deactivated these probes
+ * will fail.
+ *
+ *
+ * Please note that on emif, both RAM and NAND is connected in dual
+ * RAM phones. On single RAM phones, ram is on semi and NAND on emif.
+ *
+ */
+void u300_clock_primecells(void)
+{
+	clk_enable(&intcon_clk);
+	clk_enable(&uart_clk);
+#ifdef CONFIG_MACH_U300_BS335
+	clk_enable(&uart1_clk);
+#endif
+	clk_enable(&spi_clk);
+
+	clk_enable(&mmcsd_clk);
+
+}
+EXPORT_SYMBOL(u300_clock_primecells);
+
+void u300_unclock_primecells(void)
+{
+
+	clk_disable(&intcon_clk);
+	clk_disable(&uart_clk);
+#ifdef CONFIG_MACH_U300_BS335
+	clk_disable(&uart1_clk);
+#endif
+	clk_disable(&spi_clk);
+	clk_disable(&mmcsd_clk);
+
+}
+EXPORT_SYMBOL(u300_unclock_primecells);
+
+/*
+ * The interrupt controller is enabled before the clock API is registered.
+ */
+void u300_enable_intcon_clock(void)
+{
+	clk_enable(&intcon_clk);
+}
+EXPORT_SYMBOL(u300_enable_intcon_clock);
+
+/*
+ * The timer is enabled before the clock API is registered.
+ */
+void u300_enable_timer_clock(void)
+{
+	clk_enable(&app_timer_clk);
+}
+EXPORT_SYMBOL(u300_enable_timer_clock);
+
+#if (defined(CONFIG_DEBUG_FS) && defined(CONFIG_U300_DEBUG))
+/*
+ * The following makes it possible to view the status (especially
+ * reference count and reset status) for the clocks in the platform
+ * by looking into the special file <debugfs>/u300_clocks
+ */
+
+/* A list of all clocks in the platform */
+static struct clk *clks[] = {
+	/* Top node clock for the AMBA bus */
+	&amba_clk,
+	/* Connected directly to the AMBA bus */
+	&cpu_clk,
+	&nandif_clk,
+	&semi_clk,
+#ifdef CONFIG_MACH_U300_BS335
+	&isp_clk,
+	&cds_clk,
+#endif
+	&dma_clk,
+	&aaif_clk,
+	&apex_clk,
+	&video_enc_clk,
+	&xgam_clk,
+	&ahb_clk,
+
+	/* AHB bridge clocks */
+	&ahb_subsys_clk,
+	&intcon_clk,
+	&mspro_clk,
+	&emif_clk,
+	/* FAST bridge clocks */
+	&fast_clk,
+	&mmcsd_clk,
+	&i2s0_clk,
+	&i2s1_clk,
+	&i2c0_clk,
+	&i2c1_clk,
+	&spi_clk,
+#ifdef CONFIG_MACH_U300_BS335
+	&uart1_clk,
+#endif
+	/* SLOW bridge clocks */
+	&slow_clk,
+	&wdog_clk,
+	&uart_clk,
+	&app_timer_clk,
+	&keypad_clk,
+	&gpio_clk,
+	&rtc_clk,
+	&bustr_clk,
+	&evhist_clk,
+	&timer_clk,
+#ifdef CONFIG_MACH_U300_BS335
+	&ppm_clk,
+#endif
+};
+
+static int u300_clocks_show(struct seq_file *s, void *data)
+{
+	struct clk *clk;
+	int i;
+
+	seq_printf(s, "CLOCK           DEVICE          RESET STATE\t" \
+		   "ACTIVE\tUSERS\tHW CTRL FREQ\n");
+	seq_printf(s, "---------------------------------------------" \
+		   "-----------------------------------------\n");
+	for (i = 0; i < ARRAY_SIZE(clks); i++) {
+		clk = clks[i];
+		if (clk != ERR_PTR(-ENOENT)) {
+			/* Format clock and device name nicely */
+			char cdp[33];
+			int chars;
+
+			chars = snprintf(&cdp[0], 17, "%s", clk->name);
+			while (chars < 16) {
+				cdp[chars] = ' ';
+				chars++;
+			}
+			chars = snprintf(&cdp[16], 17, "%s", clk->dev ?
+					 dev_name(clk->dev) : "N/A");
+			while (chars < 16) {
+				cdp[chars+16] = ' ';
+				chars++;
+			}
+			cdp[32] = '\0';
+			if (clk->get_rate)
+				seq_printf(s,
+					   "%s%s\t%s\t%d\t%s\t%lu Hz\n",
+					   &cdp[0],
+					   clk->reset ?
+					   "ASSERTED" : "RELEASED",
+					   clk->usecount ? "ON" : "OFF",
+					   clk->usecount,
+					   clk->hw_ctrld  ? "YES" : "NO ",
+					   clk->get_rate(clk));
+			else
+				seq_printf(s,
+					   "%s%s\t%s\t%d\t%s\t" \
+					   "(unknown rate)\n",
+					   &cdp[0],
+					   clk->reset ?
+					   "ASSERTED" : "RELEASED",
+					   clk->usecount ? "ON" : "OFF",
+					   clk->usecount,
+					   clk->hw_ctrld  ? "YES" : "NO ");
+		}
+	}
+	return 0;
+}
+
+static int u300_clocks_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, u300_clocks_show, NULL);
+}
+
+static const struct file_operations u300_clocks_operations = {
+	.open		= u300_clocks_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
+
+static void init_clk_read_procfs(void)
+{
+	/* Expose a simple debugfs interface to view all clocks */
+	(void) debugfs_create_file("u300_clocks", S_IFREG | S_IRUGO,
+				   NULL, NULL, &u300_clocks_operations);
+}
+#else
+static inline void init_clk_read_procfs(void)
+{
+}
+#endif
+
+static int __init u300_clock_init(void)
+{
+	u16 val;
+
+	/*
+	 * FIXME: shall all this powermanagement stuff really live here???
+	 */
+
+	/* Set system to run at PLL208, max performance, a known state. */
+	val = readw(U300_SYSCON_VBASE + U300_SYSCON_CCR);
+	val &= ~U300_SYSCON_CCR_CLKING_PERFORMANCE_MASK;
+	writew(val, U300_SYSCON_VBASE + U300_SYSCON_CCR);
+	/* Wait for the PLL208 to lock if not locked in yet */
+	while (!(readw(U300_SYSCON_VBASE + U300_SYSCON_CSR) &
+		 U300_SYSCON_CSR_PLL208_LOCK_IND));
+
+	/* Power management enable */
+	val = readw(U300_SYSCON_VBASE + U300_SYSCON_PMCR);
+	val |= U300_SYSCON_PMCR_PWR_MGNT_ENABLE;
+	writew(val, U300_SYSCON_VBASE + U300_SYSCON_PMCR);
+
+	clk_register();
+
+	init_clk_read_procfs();
+
+	/*
+	 * Some of these may be on when we boot the system so make sure they
+	 * are turned OFF.
+	 */
+	syscon_block_reset_enable(&timer_clk);
+	timer_clk.disable(&timer_clk);
+
+	/*
+	 * These shall be turned on by default when we boot the system
+	 * so make sure they are ON. (Adding CPU here is a bit too much.)
+	 * These clocks will be claimed by drivers later.
+	 */
+	syscon_block_reset_disable(&semi_clk);
+	syscon_block_reset_disable(&emif_clk);
+	semi_clk.enable(&semi_clk);
+	emif_clk.enable(&emif_clk);
+
+	return 0;
+}
+/* initialize clocking early to be available later in the boot */
+core_initcall(u300_clock_init);
diff --git a/arch/arm/mach-u300/clock.h b/arch/arm/mach-u300/clock.h
new file mode 100644
index 000000000000..fc6d9ccfe7e3
--- /dev/null
+++ b/arch/arm/mach-u300/clock.h
@@ -0,0 +1,53 @@
+/*
+ * arch/arm/mach-u300/include/mach/clock.h
+ *
+ * Copyright (C) 2004 - 2005 Nokia corporation
+ * Written by Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com>
+ * Based on clocks.h by Tony Lindgren, Gordon McNutt and RidgeRun, Inc
+ * Copyright (C) 2007-2009 ST-Ericsson AB
+ * Adopted to ST-Ericsson U300 platforms by
+ * Jonas Aaberg <jonas.aberg@stericsson.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#ifndef __MACH_CLOCK_H
+#define __MACH_CLOCK_H
+
+#include <linux/clk.h>
+
+struct clk {
+	struct list_head node;
+	struct module *owner;
+	struct device *dev;
+	const char *name;
+	struct clk *parent;
+
+	spinlock_t lock;
+	unsigned long rate;
+	bool reset;
+	__u16 clk_val;
+	__s8 usecount;
+	__u32 res_reg;
+	__u16 res_mask;
+
+	bool hw_ctrld;
+
+	void (*recalc) (struct clk *);
+	int (*set_rate) (struct clk *, unsigned long);
+	unsigned long (*get_rate) (struct clk *);
+	unsigned long (*round_rate) (struct clk *, unsigned long);
+	void (*init) (struct clk *);
+	void (*enable) (struct clk *);
+	void (*disable) (struct clk *);
+};
+
+void u300_clock_primecells(void);
+void u300_unclock_primecells(void);
+void u300_enable_intcon_clock(void);
+void u300_enable_timer_clock(void);
+
+#endif
diff --git a/arch/arm/mach-u300/core.c b/arch/arm/mach-u300/core.c
new file mode 100644
index 000000000000..89b3ccf35e1b
--- /dev/null
+++ b/arch/arm/mach-u300/core.c
@@ -0,0 +1,649 @@
+/*
+ *
+ * arch/arm/mach-u300/core.c
+ *
+ *
+ * Copyright (C) 2007-2009 ST-Ericsson AB
+ * License terms: GNU General Public License (GPL) version 2
+ * Core platform support, IRQ handling and device definitions.
+ * Author: Linus Walleij <linus.walleij@stericsson.com>
+ */
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/spinlock.h>
+#include <linux/interrupt.h>
+#include <linux/bitops.h>
+#include <linux/device.h>
+#include <linux/mm.h>
+#include <linux/termios.h>
+#include <linux/amba/bus.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+
+#include <asm/types.h>
+#include <asm/setup.h>
+#include <asm/memory.h>
+#include <asm/hardware/vic.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include <mach/hardware.h>
+#include <mach/syscon.h>
+
+#include "clock.h"
+#include "mmc.h"
+
+/*
+ * Static I/O mappings that are needed for booting the U300 platforms. The
+ * only things we need are the areas where we find the timer, syscon and
+ * intcon, since the remaining device drivers will map their own memory
+ * physical to virtual as the need arise.
+ */
+static struct map_desc u300_io_desc[] __initdata = {
+	{
+		.virtual	= U300_SLOW_PER_VIRT_BASE,
+		.pfn		= __phys_to_pfn(U300_SLOW_PER_PHYS_BASE),
+		.length		= SZ_64K,
+		.type		= MT_DEVICE,
+	},
+	{
+		.virtual	= U300_AHB_PER_VIRT_BASE,
+		.pfn		= __phys_to_pfn(U300_AHB_PER_PHYS_BASE),
+		.length		= SZ_32K,
+		.type		= MT_DEVICE,
+	},
+	{
+		.virtual	= U300_FAST_PER_VIRT_BASE,
+		.pfn		= __phys_to_pfn(U300_FAST_PER_PHYS_BASE),
+		.length		= SZ_32K,
+		.type		= MT_DEVICE,
+	},
+	{
+		.virtual	= 0xffff2000, /* TCM memory */
+		.pfn		= __phys_to_pfn(0xffff2000),
+		.length		= SZ_16K,
+		.type		= MT_DEVICE,
+	},
+
+	/*
+	 * This overlaps with the IRQ vectors etc at 0xffff0000, so these
+	 * may have to be moved to 0x00000000 in order to use the ROM.
+	 */
+	/*
+	{
+		.virtual	= U300_BOOTROM_VIRT_BASE,
+		.pfn		= __phys_to_pfn(U300_BOOTROM_PHYS_BASE),
+		.length		= SZ_64K,
+		.type		= MT_ROM,
+	},
+	*/
+};
+
+void __init u300_map_io(void)
+{
+	iotable_init(u300_io_desc, ARRAY_SIZE(u300_io_desc));
+}
+
+/*
+ * Declaration of devices found on the U300 board and
+ * their respective memory locations.
+ */
+static struct amba_device uart0_device = {
+	.dev = {
+		.init_name = "uart0", /* Slow device at 0x3000 offset */
+		.platform_data = NULL,
+	},
+	.res = {
+		.start = U300_UART0_BASE,
+		.end   = U300_UART0_BASE + SZ_4K - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	.irq = { IRQ_U300_UART0, NO_IRQ },
+};
+
+/* The U335 have an additional UART1 on the APP CPU */
+#ifdef CONFIG_MACH_U300_BS335
+static struct amba_device uart1_device = {
+	.dev = {
+		.init_name = "uart1", /* Fast device at 0x7000 offset */
+		.platform_data = NULL,
+	},
+	.res = {
+		.start = U300_UART1_BASE,
+		.end   = U300_UART1_BASE + SZ_4K - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	.irq = { IRQ_U300_UART1, NO_IRQ },
+};
+#endif
+
+static struct amba_device pl172_device = {
+	.dev = {
+		.init_name = "pl172", /* AHB device at 0x4000 offset */
+		.platform_data = NULL,
+	},
+	.res = {
+		.start = U300_EMIF_CFG_BASE,
+		.end   = U300_EMIF_CFG_BASE + SZ_4K - 1,
+		.flags = IORESOURCE_MEM,
+	},
+};
+
+
+/*
+ * Everything within this next ifdef deals with external devices connected to
+ * the APP SPI bus.
+ */
+static struct amba_device pl022_device = {
+	.dev = {
+		.coherent_dma_mask = ~0,
+		.init_name = "pl022", /* Fast device at 0x6000 offset */
+	},
+	.res = {
+		.start = U300_SPI_BASE,
+		.end   = U300_SPI_BASE + SZ_4K - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	.irq = {IRQ_U300_SPI, NO_IRQ },
+	/*
+	 * This device has a DMA channel but the Linux driver does not use
+	 * it currently.
+	 */
+};
+
+static struct amba_device mmcsd_device = {
+	.dev = {
+		.init_name = "mmci", /* Fast device at 0x1000 offset */
+		.platform_data = NULL, /* Added later */
+	},
+	.res = {
+		.start = U300_MMCSD_BASE,
+		.end   = U300_MMCSD_BASE + SZ_4K - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	.irq = {IRQ_U300_MMCSD_MCIINTR0, IRQ_U300_MMCSD_MCIINTR1 },
+	/*
+	 * This device has a DMA channel but the Linux driver does not use
+	 * it currently.
+	 */
+};
+
+/*
+ * The order of device declaration may be important, since some devices
+ * have dependencies on other devices being initialized first.
+ */
+static struct amba_device *amba_devs[] __initdata = {
+	&uart0_device,
+#ifdef CONFIG_MACH_U300_BS335
+	&uart1_device,
+#endif
+	&pl022_device,
+	&pl172_device,
+	&mmcsd_device,
+};
+
+/* Here follows a list of all hw resources that the platform devices
+ * allocate. Note, clock dependencies are not included
+ */
+
+static struct resource gpio_resources[] = {
+	{
+		.start = U300_GPIO_BASE,
+		.end   = (U300_GPIO_BASE + SZ_4K - 1),
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.name  = "gpio0",
+		.start = IRQ_U300_GPIO_PORT0,
+		.end   = IRQ_U300_GPIO_PORT0,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.name  = "gpio1",
+		.start = IRQ_U300_GPIO_PORT1,
+		.end   = IRQ_U300_GPIO_PORT1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.name  = "gpio2",
+		.start = IRQ_U300_GPIO_PORT2,
+		.end   = IRQ_U300_GPIO_PORT2,
+		.flags = IORESOURCE_IRQ,
+	},
+#ifdef U300_COH901571_3
+	{
+		.name  = "gpio3",
+		.start = IRQ_U300_GPIO_PORT3,
+		.end   = IRQ_U300_GPIO_PORT3,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.name  = "gpio4",
+		.start = IRQ_U300_GPIO_PORT4,
+		.end   = IRQ_U300_GPIO_PORT4,
+		.flags = IORESOURCE_IRQ,
+	},
+#ifdef CONFIG_MACH_U300_BS335
+	{
+		.name  = "gpio5",
+		.start = IRQ_U300_GPIO_PORT5,
+		.end   = IRQ_U300_GPIO_PORT5,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.name  = "gpio6",
+		.start = IRQ_U300_GPIO_PORT6,
+		.end   = IRQ_U300_GPIO_PORT6,
+		.flags = IORESOURCE_IRQ,
+	},
+#endif /* CONFIG_MACH_U300_BS335 */
+#endif /* U300_COH901571_3 */
+};
+
+static struct resource keypad_resources[] = {
+	{
+		.start = U300_KEYPAD_BASE,
+		.end   = U300_KEYPAD_BASE + SZ_4K - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.name  = "coh901461-press",
+		.start = IRQ_U300_KEYPAD_KEYBF,
+		.end   = IRQ_U300_KEYPAD_KEYBF,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.name  = "coh901461-release",
+		.start = IRQ_U300_KEYPAD_KEYBR,
+		.end   = IRQ_U300_KEYPAD_KEYBR,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+static struct resource rtc_resources[] = {
+	{
+		.start = U300_RTC_BASE,
+		.end   = U300_RTC_BASE + SZ_4K - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_U300_RTC,
+		.end   = IRQ_U300_RTC,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+/*
+ * Fsmc does have IRQs: #43 and #44 (NFIF and NFIF2)
+ * but these are not yet used by the driver.
+ */
+static struct resource fsmc_resources[] = {
+	{
+		.start = U300_NAND_IF_PHYS_BASE,
+		.end   = U300_NAND_IF_PHYS_BASE + SZ_4K - 1,
+		.flags = IORESOURCE_MEM,
+	},
+};
+
+static struct resource i2c0_resources[] = {
+	{
+		.start = U300_I2C0_BASE,
+		.end   = U300_I2C0_BASE + SZ_4K - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_U300_I2C0,
+		.end   = IRQ_U300_I2C0,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+static struct resource i2c1_resources[] = {
+	{
+		.start = U300_I2C1_BASE,
+		.end   = U300_I2C1_BASE + SZ_4K - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_U300_I2C1,
+		.end   = IRQ_U300_I2C1,
+		.flags = IORESOURCE_IRQ,
+	},
+
+};
+
+static struct resource wdog_resources[] = {
+	{
+		.start = U300_WDOG_BASE,
+		.end   = U300_WDOG_BASE + SZ_4K - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_U300_WDOG,
+		.end   = IRQ_U300_WDOG,
+		.flags = IORESOURCE_IRQ,
+	}
+};
+
+/* TODO: These should be protected by suitable #ifdef's */
+static struct resource ave_resources[] = {
+	{
+		.name  = "AVE3e I/O Area",
+		.start = U300_VIDEOENC_BASE,
+		.end   = U300_VIDEOENC_BASE + SZ_512K - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.name  = "AVE3e IRQ0",
+		.start = IRQ_U300_VIDEO_ENC_0,
+		.end   = IRQ_U300_VIDEO_ENC_0,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.name  = "AVE3e IRQ1",
+		.start = IRQ_U300_VIDEO_ENC_1,
+		.end   = IRQ_U300_VIDEO_ENC_1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.name  = "AVE3e Physmem Area",
+		.start = 0, /* 0 will be remapped to reserved memory */
+		.end   = SZ_1M - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	/*
+	 * The AVE3e requires two regions of 256MB that it considers
+	 * "invisible". The hardware will not be able to access these
+	 * adresses, so they should never point to system RAM.
+	 */
+	{
+		.name  = "AVE3e Reserved 0",
+		.start = 0xd0000000,
+		.end   = 0xd0000000 + SZ_256M - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.name  = "AVE3e Reserved 1",
+		.start = 0xe0000000,
+		.end   = 0xe0000000 + SZ_256M - 1,
+		.flags = IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device wdog_device = {
+	.name = "wdog",
+	.id = -1,
+	.num_resources = ARRAY_SIZE(wdog_resources),
+	.resource = wdog_resources,
+};
+
+static struct platform_device i2c0_device = {
+	.name = "stddci2c",
+	.id = 0,
+	.num_resources = ARRAY_SIZE(i2c0_resources),
+	.resource = i2c0_resources,
+};
+
+static struct platform_device i2c1_device = {
+	.name = "stddci2c",
+	.id = 1,
+	.num_resources = ARRAY_SIZE(i2c1_resources),
+	.resource = i2c1_resources,
+};
+
+static struct platform_device gpio_device = {
+	.name = "u300-gpio",
+	.id = -1,
+	.num_resources = ARRAY_SIZE(gpio_resources),
+	.resource = gpio_resources,
+};
+
+static struct platform_device keypad_device = {
+	.name = "keypad",
+	.id = -1,
+	.num_resources = ARRAY_SIZE(keypad_resources),
+	.resource = keypad_resources,
+};
+
+static struct platform_device rtc_device = {
+	.name = "rtc0",
+	.id = -1,
+	.num_resources = ARRAY_SIZE(rtc_resources),
+	.resource = rtc_resources,
+};
+
+static struct platform_device fsmc_device = {
+	.name = "nandif",
+	.id = -1,
+	.num_resources = ARRAY_SIZE(fsmc_resources),
+	.resource = fsmc_resources,
+};
+
+static struct platform_device ave_device = {
+	.name = "video_enc",
+	.id = -1,
+	.num_resources = ARRAY_SIZE(ave_resources),
+	.resource = ave_resources,
+};
+
+/*
+ * Notice that AMBA devices are initialized before platform devices.
+ *
+ */
+static struct platform_device *platform_devs[] __initdata = {
+	&i2c0_device,
+	&i2c1_device,
+	&keypad_device,
+	&rtc_device,
+	&gpio_device,
+	&fsmc_device,
+	&wdog_device,
+	&ave_device
+};
+
+
+/*
+ * Interrupts: the U300 platforms have two pl190 ARM PrimeCells connected
+ * together so some interrupts are connected to the first one and some
+ * to the second one.
+ */
+void __init u300_init_irq(void)
+{
+	u32 mask[2] = {0, 0};
+	int i;
+
+	for (i = 0; i < NR_IRQS; i++)
+		set_bit(i, (unsigned long *) &mask[0]);
+	u300_enable_intcon_clock();
+	vic_init((void __iomem *) U300_INTCON0_VBASE, 0, mask[0], 0);
+	vic_init((void __iomem *) U300_INTCON1_VBASE, 32, mask[1], 0);
+}
+
+
+/*
+ * U300 platforms peripheral handling
+ */
+struct db_chip {
+	u16 chipid;
+	const char *name;
+};
+
+/*
+ * This is a list of the Digital Baseband chips used in the U300 platform.
+ */
+static struct db_chip db_chips[] __initdata = {
+	{
+		.chipid = 0xb800,
+		.name = "DB3000",
+	},
+	{
+		.chipid = 0xc000,
+		.name = "DB3100",
+	},
+	{
+		.chipid = 0xc800,
+		.name = "DB3150",
+	},
+	{
+		.chipid = 0xd800,
+		.name = "DB3200",
+	},
+	{
+		.chipid = 0xe000,
+		.name = "DB3250",
+	},
+	{
+		.chipid = 0xe800,
+		.name = "DB3210",
+	},
+	{
+		.chipid = 0xf000,
+		.name = "DB3350 P1x",
+	},
+	{
+		.chipid = 0xf100,
+		.name = "DB3350 P2x",
+	},
+	{
+		.chipid = 0x0000, /* List terminator */
+		.name = NULL,
+	}
+};
+
+static void u300_init_check_chip(void)
+{
+
+	u16 val;
+	struct db_chip *chip;
+	const char *chipname;
+	const char unknown[] = "UNKNOWN";
+
+	/* Read out and print chip ID */
+	val = readw(U300_SYSCON_VBASE + U300_SYSCON_CIDR);
+	/* This is in funky bigendian order... */
+	val = (val & 0xFFU) << 8 | (val >> 8);
+	chip = db_chips;
+	chipname = unknown;
+
+	for ( ; chip->chipid; chip++) {
+		if (chip->chipid == (val & 0xFF00U)) {
+			chipname = chip->name;
+			break;
+		}
+	}
+	printk(KERN_INFO "Initializing U300 system on %s baseband chip " \
+	       "(chip ID 0x%04x)\n", chipname, val);
+
+#ifdef CONFIG_MACH_U300_BS26
+	if ((val & 0xFF00U) != 0xc800) {
+		printk(KERN_ERR "Platform configured for BS25/BS26 " \
+		       "with DB3150 but %s detected, expect problems!",
+		       chipname);
+	}
+#endif
+#ifdef CONFIG_MACH_U300_BS330
+	if ((val & 0xFF00U) != 0xd800) {
+		printk(KERN_ERR "Platform configured for BS330 " \
+		       "with DB3200 but %s detected, expect problems!",
+		       chipname);
+	}
+#endif
+#ifdef CONFIG_MACH_U300_BS335
+	if ((val & 0xFF00U) != 0xf000 && (val & 0xFF00U) != 0xf100) {
+		printk(KERN_ERR "Platform configured for BS365 " \
+		       " with DB3350 but %s detected, expect problems!",
+		       chipname);
+	}
+#endif
+#ifdef CONFIG_MACH_U300_BS365
+	if ((val & 0xFF00U) != 0xe800) {
+		printk(KERN_ERR "Platform configured for BS365 " \
+		       "with DB3210 but %s detected, expect problems!",
+		       chipname);
+	}
+#endif
+
+
+}
+
+/*
+ * Some devices and their resources require reserved physical memory from
+ * the end of the available RAM. This function traverses the list of devices
+ * and assigns actual adresses to these.
+ */
+static void __init u300_assign_physmem(void)
+{
+	unsigned long curr_start = __pa(high_memory);
+	int i, j;
+
+	for (i = 0; i < ARRAY_SIZE(platform_devs); i++) {
+		for (j = 0; j < platform_devs[i]->num_resources; j++) {
+			struct resource *const res =
+			  &platform_devs[i]->resource[j];
+
+			if (IORESOURCE_MEM == res->flags &&
+				     0 == res->start) {
+				res->start  = curr_start;
+				res->end   += curr_start;
+				curr_start += (res->end - res->start + 1);
+
+				printk(KERN_INFO "core.c: Mapping RAM " \
+				       "%#x-%#x to device %s:%s\n",
+					res->start, res->end,
+				       platform_devs[i]->name, res->name);
+			}
+		}
+	}
+}
+
+void __init u300_init_devices(void)
+{
+	int i;
+	u16 val;
+
+	/* Check what platform we run and print some status information */
+	u300_init_check_chip();
+
+	/* Set system to run at PLL208, max performance, a known state. */
+	val = readw(U300_SYSCON_VBASE + U300_SYSCON_CCR);
+	val &= ~U300_SYSCON_CCR_CLKING_PERFORMANCE_MASK;
+	writew(val, U300_SYSCON_VBASE + U300_SYSCON_CCR);
+	/* Wait for the PLL208 to lock if not locked in yet */
+	while (!(readw(U300_SYSCON_VBASE + U300_SYSCON_CSR) &
+		 U300_SYSCON_CSR_PLL208_LOCK_IND));
+
+	/* Register the AMBA devices in the AMBA bus abstraction layer */
+	u300_clock_primecells();
+	for (i = 0; i < ARRAY_SIZE(amba_devs); i++) {
+		struct amba_device *d = amba_devs[i];
+		amba_device_register(d, &iomem_resource);
+	}
+	u300_unclock_primecells();
+
+	u300_assign_physmem();
+
+	/* Register the platform devices */
+	platform_add_devices(platform_devs, ARRAY_SIZE(platform_devs));
+
+#ifndef CONFIG_MACH_U300_SEMI_IS_SHARED
+	/*
+	 * Enable SEMI self refresh. Self-refresh of the SDRAM is entered when
+	 * both subsystems are requesting this mode.
+	 * If we not share the Acc SDRAM, this is never the case. Therefore
+	 * enable it here from the App side.
+	 */
+	val = readw(U300_SYSCON_VBASE + U300_SYSCON_SMCR) |
+		U300_SYSCON_SMCR_SEMI_SREFREQ_ENABLE;
+	writew(val, U300_SYSCON_VBASE + U300_SYSCON_SMCR);
+#endif /* CONFIG_MACH_U300_SEMI_IS_SHARED */
+}
+
+static int core_module_init(void)
+{
+	/*
+	 * This needs to be initialized later: it needs the input framework
+	 * to be initialized first.
+	 */
+	return mmc_init(&mmcsd_device);
+}
+module_init(core_module_init);
diff --git a/arch/arm/mach-u300/gpio.c b/arch/arm/mach-u300/gpio.c
new file mode 100644
index 000000000000..308cdb197a92
--- /dev/null
+++ b/arch/arm/mach-u300/gpio.c
@@ -0,0 +1,703 @@
+/*
+ *
+ * arch/arm/mach-u300/gpio.c
+ *
+ *
+ * Copyright (C) 2007-2009 ST-Ericsson AB
+ * License terms: GNU General Public License (GPL) version 2
+ * U300 GPIO module.
+ * This can driver either of the two basic GPIO cores
+ * available in the U300 platforms:
+ * COH 901 335   - Used in DB3150 (U300 1.0) and DB3200 (U330 1.0)
+ * COH 901 571/3 - Used in DB3210 (U365 2.0) and DB3350 (U335 1.0)
+ * Notice that you also have inline macros in <asm-arch/gpio.h>
+ * Author: Linus Walleij <linus.walleij@stericsson.com>
+ * Author: Jonas Aaberg <jonas.aberg@stericsson.com>
+ *
+ */
+#include <linux/module.h>
+#include <linux/interrupt.h>
+#include <linux/delay.h>
+#include <linux/errno.h>
+#include <linux/io.h>
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+
+/* Need access to SYSCON registers for PADmuxing */
+#include <mach/syscon.h>
+
+#include "padmux.h"
+
+/* Reference to GPIO block clock */
+static struct clk *clk;
+
+/* Memory resource */
+static struct resource *memres;
+static void __iomem *virtbase;
+static struct device *gpiodev;
+
+struct u300_gpio_port {
+	const char *name;
+	int irq;
+	int number;
+};
+
+
+static struct u300_gpio_port gpio_ports[] = {
+	{
+		.name = "gpio0",
+		.number = 0,
+	},
+	{
+		.name = "gpio1",
+		.number = 1,
+	},
+	{
+		.name = "gpio2",
+		.number = 2,
+	},
+#ifdef U300_COH901571_3
+	{
+		.name = "gpio3",
+		.number = 3,
+	},
+	{
+		.name = "gpio4",
+		.number = 4,
+	},
+#ifdef CONFIG_MACH_U300_BS335
+	{
+		.name = "gpio5",
+		.number = 5,
+	},
+	{
+		.name = "gpio6",
+		.number = 6,
+	},
+#endif
+#endif
+
+};
+
+
+#ifdef U300_COH901571_3
+
+/* Default input value */
+#define DEFAULT_OUTPUT_LOW   0
+#define DEFAULT_OUTPUT_HIGH  1
+
+/* GPIO Pull-Up status */
+#define DISABLE_PULL_UP  0
+#define ENABLE_PULL_UP  1
+
+#define GPIO_NOT_USED 0
+#define GPIO_IN       1
+#define GPIO_OUT      2
+
+struct u300_gpio_configuration_data {
+	unsigned char pin_usage;
+	unsigned char default_output_value;
+	unsigned char pull_up;
+};
+
+/* Initial configuration */
+const struct u300_gpio_configuration_data
+u300_gpio_config[U300_GPIO_NUM_PORTS][U300_GPIO_PINS_PER_PORT] = {
+#ifdef CONFIG_MACH_U300_BS335
+	/* Port 0, pins 0-7 */
+	{
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_OUT, DEFAULT_OUTPUT_HIGH,  DISABLE_PULL_UP},
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_OUT, DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_OUT, DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_OUT, DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_OUT, DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_OUT, DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP}
+	},
+	/* Port 1, pins 0-7 */
+	{
+		{GPIO_OUT, DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_OUT, DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_OUT, DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,    ENABLE_PULL_UP},
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_OUT, DEFAULT_OUTPUT_HIGH,  DISABLE_PULL_UP},
+		{GPIO_OUT, DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_OUT, DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP}
+	},
+	/* Port 2, pins 0-7 */
+	{
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_OUT, DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,    ENABLE_PULL_UP},
+		{GPIO_OUT, DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,    ENABLE_PULL_UP}
+	},
+	/* Port 3, pins 0-7 */
+	{
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,    ENABLE_PULL_UP},
+		{GPIO_OUT, DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP}
+	},
+	/* Port 4, pins 0-7 */
+	{
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP}
+	},
+	/* Port 5, pins 0-7 */
+	{
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP}
+	},
+	/* Port 6, pind 0-7 */
+	{
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP}
+	}
+#endif
+
+#ifdef CONFIG_MACH_U300_BS365
+	/* Port 0, pins 0-7 */
+	{
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_OUT, DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_OUT, DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_OUT, DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_OUT, DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,    ENABLE_PULL_UP},
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP}
+	},
+	/* Port 1, pins 0-7 */
+	{
+		{GPIO_OUT, DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_OUT, DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_OUT, DEFAULT_OUTPUT_HIGH,  DISABLE_PULL_UP},
+		{GPIO_OUT, DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_OUT, DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP}
+	},
+	/* Port 2, pins 0-7 */
+	{
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,    ENABLE_PULL_UP},
+		{GPIO_OUT, DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_OUT, DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,    ENABLE_PULL_UP},
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,    ENABLE_PULL_UP},
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,    ENABLE_PULL_UP},
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,    ENABLE_PULL_UP}
+	},
+	/* Port 3, pins 0-7 */
+	{
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,    ENABLE_PULL_UP},
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,    ENABLE_PULL_UP},
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,    ENABLE_PULL_UP},
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,    ENABLE_PULL_UP},
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,    ENABLE_PULL_UP},
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,    ENABLE_PULL_UP},
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,    ENABLE_PULL_UP},
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,    ENABLE_PULL_UP}
+	},
+	/* Port 4, pins 0-7 */
+	{
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,    ENABLE_PULL_UP},
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,    ENABLE_PULL_UP},
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,    ENABLE_PULL_UP},
+		{GPIO_IN,  DEFAULT_OUTPUT_LOW,    ENABLE_PULL_UP},
+		/* These 4 pins doesn't exist on DB3210 */
+		{GPIO_OUT, DEFAULT_OUTPUT_LOW,    ENABLE_PULL_UP},
+		{GPIO_OUT, DEFAULT_OUTPUT_LOW,    ENABLE_PULL_UP},
+		{GPIO_OUT, DEFAULT_OUTPUT_LOW,    ENABLE_PULL_UP},
+		{GPIO_OUT, DEFAULT_OUTPUT_LOW,    ENABLE_PULL_UP}
+	}
+#endif
+};
+#endif
+
+
+/* No users == we can power down GPIO */
+static int gpio_users;
+
+struct gpio_struct {
+	int (*callback)(void *);
+	void *data;
+	int users;
+};
+
+static struct gpio_struct gpio_pin[U300_GPIO_MAX];
+
+/*
+ * Let drivers register callback in order to get notified when there is
+ * an interrupt on the gpio pin
+ */
+int gpio_register_callback(unsigned gpio, int (*func)(void *arg), void *data)
+{
+	if (gpio_pin[gpio].callback)
+		dev_warn(gpiodev, "%s: WARNING: callback already "
+			 "registered for gpio pin#%d\n", __func__, gpio);
+	gpio_pin[gpio].callback = func;
+	gpio_pin[gpio].data = data;
+
+	return 0;
+}
+EXPORT_SYMBOL(gpio_register_callback);
+
+int gpio_unregister_callback(unsigned gpio)
+{
+	if (!gpio_pin[gpio].callback)
+		dev_warn(gpiodev, "%s: WARNING: callback already "
+			 "unregistered for gpio pin#%d\n", __func__, gpio);
+	gpio_pin[gpio].callback = NULL;
+	gpio_pin[gpio].data = NULL;
+
+	return 0;
+}
+EXPORT_SYMBOL(gpio_unregister_callback);
+
+int gpio_request(unsigned gpio, const char *label)
+{
+	if (gpio_pin[gpio].users)
+		return -EINVAL;
+	else
+		gpio_pin[gpio].users++;
+
+	gpio_users++;
+
+	return 0;
+}
+EXPORT_SYMBOL(gpio_request);
+
+void gpio_free(unsigned gpio)
+{
+	gpio_users--;
+	gpio_pin[gpio].users--;
+	if (unlikely(gpio_pin[gpio].users < 0)) {
+		dev_warn(gpiodev, "warning: gpio#%d release mismatch\n",
+			 gpio);
+		gpio_pin[gpio].users = 0;
+	}
+
+	return;
+}
+EXPORT_SYMBOL(gpio_free);
+
+/* This returns zero or nonzero */
+int gpio_get_value(unsigned gpio)
+{
+	return readl(virtbase + U300_GPIO_PXPDIR +
+	  PIN_TO_PORT(gpio) * U300_GPIO_PORTX_SPACING) & (1 << (gpio & 0x07));
+}
+EXPORT_SYMBOL(gpio_get_value);
+
+/*
+ * We hope that the compiler will optimize away the unused branch
+ * in case "value" is a constant
+ */
+void gpio_set_value(unsigned gpio, int value)
+{
+	u32 val;
+	unsigned long flags;
+
+	local_irq_save(flags);
+	if (value) {
+		/* set */
+		val = readl(virtbase + U300_GPIO_PXPDOR +
+		  PIN_TO_PORT(gpio) * U300_GPIO_PORTX_SPACING)
+		  & (1 << (gpio & 0x07));
+		writel(val | (1 << (gpio & 0x07)), virtbase +
+		  U300_GPIO_PXPDOR +
+		  PIN_TO_PORT(gpio) * U300_GPIO_PORTX_SPACING);
+	} else {
+		/* clear */
+		val = readl(virtbase + U300_GPIO_PXPDOR +
+		  PIN_TO_PORT(gpio) * U300_GPIO_PORTX_SPACING)
+		  & (1 << (gpio & 0x07));
+		writel(val & ~(1 << (gpio & 0x07)), virtbase +
+		  U300_GPIO_PXPDOR +
+		  PIN_TO_PORT(gpio) * U300_GPIO_PORTX_SPACING);
+	}
+	local_irq_restore(flags);
+}
+EXPORT_SYMBOL(gpio_set_value);
+
+int gpio_direction_input(unsigned gpio)
+{
+	unsigned long flags;
+	u32 val;
+
+	if (gpio > U300_GPIO_MAX)
+		return -EINVAL;
+
+	local_irq_save(flags);
+	val = readl(virtbase + U300_GPIO_PXPCR + PIN_TO_PORT(gpio) *
+				U300_GPIO_PORTX_SPACING);
+	/* Mask out this pin*/
+	val &= ~(U300_GPIO_PXPCR_PIN_MODE_MASK << ((gpio & 0x07) << 1));
+	/* This is not needed since it sets the bits to zero.*/
+	/* val |= (U300_GPIO_PXPCR_PIN_MODE_INPUT << (gpio*2)); */
+	writel(val, virtbase + U300_GPIO_PXPCR + PIN_TO_PORT(gpio) *
+				U300_GPIO_PORTX_SPACING);
+	local_irq_restore(flags);
+	return 0;
+}
+EXPORT_SYMBOL(gpio_direction_input);
+
+int gpio_direction_output(unsigned gpio, int value)
+{
+	unsigned long flags;
+	u32 val;
+
+	if (gpio > U300_GPIO_MAX)
+		return -EINVAL;
+
+	local_irq_save(flags);
+	val = readl(virtbase + U300_GPIO_PXPCR + PIN_TO_PORT(gpio) *
+				U300_GPIO_PORTX_SPACING);
+	/* Mask out this pin */
+	val &= ~(U300_GPIO_PXPCR_PIN_MODE_MASK << ((gpio & 0x07) << 1));
+	/*
+	 * FIXME: configure for push/pull, open drain or open source per pin
+	 * in setup. The current driver will only support push/pull.
+	 */
+	val |= (U300_GPIO_PXPCR_PIN_MODE_OUTPUT_PUSH_PULL
+			<< ((gpio & 0x07) << 1));
+	writel(val, virtbase + U300_GPIO_PXPCR + PIN_TO_PORT(gpio) *
+				U300_GPIO_PORTX_SPACING);
+	gpio_set_value(gpio, value);
+	local_irq_restore(flags);
+	return 0;
+}
+EXPORT_SYMBOL(gpio_direction_output);
+
+/*
+ * Enable an IRQ, edge is rising edge (!= 0) or falling edge (==0).
+ */
+void enable_irq_on_gpio_pin(unsigned gpio, int edge)
+{
+	u32 val;
+	unsigned long flags;
+	local_irq_save(flags);
+
+	val = readl(virtbase + U300_GPIO_PXIEN + PIN_TO_PORT(gpio) *
+				U300_GPIO_PORTX_SPACING);
+	val |= (1 << (gpio & 0x07));
+	writel(val, virtbase + U300_GPIO_PXIEN + PIN_TO_PORT(gpio) *
+				U300_GPIO_PORTX_SPACING);
+	val = readl(virtbase + U300_GPIO_PXICR + PIN_TO_PORT(gpio) *
+				U300_GPIO_PORTX_SPACING);
+	if (edge)
+		val |= (1 << (gpio & 0x07));
+	else
+		val &= ~(1 << (gpio & 0x07));
+	writel(val, virtbase + U300_GPIO_PXICR + PIN_TO_PORT(gpio) *
+				U300_GPIO_PORTX_SPACING);
+	local_irq_restore(flags);
+}
+EXPORT_SYMBOL(enable_irq_on_gpio_pin);
+
+void disable_irq_on_gpio_pin(unsigned gpio)
+{
+	u32 val;
+	unsigned long flags;
+
+	local_irq_save(flags);
+	val = readl(virtbase + U300_GPIO_PXIEN + PIN_TO_PORT(gpio) *
+				U300_GPIO_PORTX_SPACING);
+	val &= ~(1 << (gpio & 0x07));
+	writel(val, virtbase + U300_GPIO_PXIEN + PIN_TO_PORT(gpio) *
+				U300_GPIO_PORTX_SPACING);
+	local_irq_restore(flags);
+}
+EXPORT_SYMBOL(disable_irq_on_gpio_pin);
+
+/* Enable (value == 0) or disable (value == 1) internal pullup */
+void gpio_pullup(unsigned gpio, int value)
+{
+	u32 val;
+	unsigned long flags;
+
+	local_irq_save(flags);
+	if (value) {
+		val = readl(virtbase + U300_GPIO_PXPER + PIN_TO_PORT(gpio) *
+					U300_GPIO_PORTX_SPACING);
+		writel(val | (1 << (gpio & 0x07)), virtbase + U300_GPIO_PXPER +
+				PIN_TO_PORT(gpio) * U300_GPIO_PORTX_SPACING);
+	} else {
+		val = readl(virtbase + U300_GPIO_PXPER + PIN_TO_PORT(gpio) *
+					U300_GPIO_PORTX_SPACING);
+		writel(val & ~(1 << (gpio & 0x07)), virtbase + U300_GPIO_PXPER +
+				PIN_TO_PORT(gpio) * U300_GPIO_PORTX_SPACING);
+	}
+	local_irq_restore(flags);
+}
+EXPORT_SYMBOL(gpio_pullup);
+
+static irqreturn_t gpio_irq_handler(int irq, void *dev_id)
+{
+	struct u300_gpio_port *port = dev_id;
+	u32 val;
+	int pin;
+
+	/* Read event register */
+	val = readl(virtbase + U300_GPIO_PXIEV + port->number *
+				U300_GPIO_PORTX_SPACING);
+	/* Mask with enable register */
+	val &= readl(virtbase + U300_GPIO_PXIEV + port->number *
+				U300_GPIO_PORTX_SPACING);
+	/* Mask relevant bits */
+	val &= U300_GPIO_PXIEV_ALL_IRQ_EVENT_MASK;
+	/* ACK IRQ (clear event) */
+	writel(val, virtbase + U300_GPIO_PXIEV + port->number *
+				U300_GPIO_PORTX_SPACING);
+	/* Print message */
+	while (val != 0) {
+		unsigned gpio;
+
+		pin = __ffs(val);
+		/* mask off this pin */
+		val &= ~(1 << pin);
+		gpio = (port->number << 3) + pin;
+
+		if (gpio_pin[gpio].callback)
+			(void)gpio_pin[gpio].callback(gpio_pin[gpio].data);
+		else
+			dev_dbg(gpiodev, "stray GPIO IRQ on line %d\n",
+			       gpio);
+	}
+	return IRQ_HANDLED;
+}
+
+static void gpio_set_initial_values(void)
+{
+#ifdef U300_COH901571_3
+	int i, j;
+	unsigned long flags;
+	u32 val;
+
+	/* Write default values to all pins */
+	for (i = 0; i < U300_GPIO_NUM_PORTS; i++) {
+		val = 0;
+		for (j = 0; j < 8; j++)
+			val |= (u32) (u300_gpio_config[i][j].default_output_value != DEFAULT_OUTPUT_LOW) << j;
+		local_irq_save(flags);
+		writel(val, virtbase + U300_GPIO_PXPDOR + i * U300_GPIO_PORTX_SPACING);
+		local_irq_restore(flags);
+	}
+
+	/*
+	 * Put all pins that are set to either 'GPIO_OUT' or 'GPIO_NOT_USED'
+	 * to output and 'GPIO_IN' to input for each port. And initalize
+	 * default value on outputs.
+	 */
+	for (i = 0; i < U300_GPIO_NUM_PORTS; i++) {
+		for (j = 0; j < U300_GPIO_PINS_PER_PORT; j++) {
+			local_irq_save(flags);
+			val = readl(virtbase + U300_GPIO_PXPCR +
+					 i * U300_GPIO_PORTX_SPACING);
+			/* Mask out this pin */
+			val &= ~(U300_GPIO_PXPCR_PIN_MODE_MASK << (j << 1));
+
+			if (u300_gpio_config[i][j].pin_usage != GPIO_IN)
+				val |= (U300_GPIO_PXPCR_PIN_MODE_OUTPUT_PUSH_PULL << (j << 1));
+			writel(val, virtbase + U300_GPIO_PXPCR +
+					 i * U300_GPIO_PORTX_SPACING);
+			local_irq_restore(flags);
+		}
+	}
+
+	/* Enable or disable the internal pull-ups in the GPIO ASIC block */
+	for (i = 0; i < U300_GPIO_MAX; i++) {
+		val = 0;
+		for (j = 0; j < 8; j++)
+			val |= (u32)((u300_gpio_config[i][j].pull_up == DISABLE_PULL_UP)) << j;
+		local_irq_save(flags);
+		writel(val, virtbase + U300_GPIO_PXPER + i * U300_GPIO_PORTX_SPACING);
+		local_irq_restore(flags);
+	}
+#endif
+}
+
+static int __init gpio_probe(struct platform_device *pdev)
+{
+	u32 val;
+	int err = 0;
+	int i;
+	int num_irqs;
+
+	gpiodev = &pdev->dev;
+	memset(gpio_pin, 0, sizeof(gpio_pin));
+
+	/* Get GPIO clock */
+	clk = clk_get(&pdev->dev, NULL);
+	if (IS_ERR(clk)) {
+		err = PTR_ERR(clk);
+		dev_err(gpiodev, "could not get GPIO clock\n");
+		goto err_no_clk;
+	}
+	err = clk_enable(clk);
+	if (err) {
+		dev_err(gpiodev, "could not enable GPIO clock\n");
+		goto err_no_clk_enable;
+	}
+
+	memres = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!memres)
+		goto err_no_resource;
+
+	if (request_mem_region(memres->start, memres->end - memres->start, "GPIO Controller")
+	    == NULL) {
+		err = -ENODEV;
+		goto err_no_ioregion;
+	}
+
+	virtbase = ioremap(memres->start, resource_size(memres));
+	if (!virtbase) {
+		err = -ENOMEM;
+		goto err_no_ioremap;
+	}
+	dev_info(gpiodev, "remapped 0x%08x to %p\n",
+		 memres->start, virtbase);
+
+#ifdef U300_COH901335
+	dev_info(gpiodev, "initializing GPIO Controller COH 901 335\n");
+	/* Turn on the GPIO block */
+	writel(U300_GPIO_CR_BLOCK_CLOCK_ENABLE, virtbase + U300_GPIO_CR);
+#endif
+
+#ifdef U300_COH901571_3
+	dev_info(gpiodev, "initializing GPIO Controller COH 901 571/3\n");
+	val = readl(virtbase + U300_GPIO_CR);
+	dev_info(gpiodev, "COH901571/3 block version: %d, " \
+	       "number of cores: %d\n",
+	       ((val & 0x0000FE00) >> 9),
+	       ((val & 0x000001FC) >> 2));
+	writel(U300_GPIO_CR_BLOCK_CLKRQ_ENABLE, virtbase + U300_GPIO_CR);
+#endif
+
+	/* Set up some padmuxing here */
+#ifdef CONFIG_MMC
+	pmx_set_mission_mode_mmc();
+#endif
+#ifdef CONFIG_SPI_PL022
+	pmx_set_mission_mode_spi();
+#endif
+
+	gpio_set_initial_values();
+
+	for (num_irqs = 0 ; num_irqs < U300_GPIO_NUM_PORTS; num_irqs++) {
+
+		gpio_ports[num_irqs].irq =
+			platform_get_irq_byname(pdev,
+						gpio_ports[num_irqs].name);
+
+		err = request_irq(gpio_ports[num_irqs].irq,
+				  gpio_irq_handler, IRQF_DISABLED,
+				  gpio_ports[num_irqs].name,
+				  &gpio_ports[num_irqs]);
+		if (err) {
+			dev_err(gpiodev, "cannot allocate IRQ for %s!\n",
+				gpio_ports[num_irqs].name);
+			goto err_no_irq;
+		}
+		/* Turns off PortX_irq_force */
+		writel(0x0, virtbase + U300_GPIO_PXIFR +
+				 num_irqs * U300_GPIO_PORTX_SPACING);
+	}
+
+	return 0;
+
+ err_no_irq:
+	for (i = 0; i < num_irqs; i++)
+		free_irq(gpio_ports[i].irq, &gpio_ports[i]);
+	iounmap(virtbase);
+ err_no_ioremap:
+	release_mem_region(memres->start, memres->end - memres->start);
+ err_no_ioregion:
+ err_no_resource:
+	clk_disable(clk);
+ err_no_clk_enable:
+	clk_put(clk);
+ err_no_clk:
+	dev_info(gpiodev, "module ERROR:%d\n", err);
+	return err;
+}
+
+static int __exit gpio_remove(struct platform_device *pdev)
+{
+	int i;
+
+	/* Turn off the GPIO block */
+	writel(0x00000000U, virtbase + U300_GPIO_CR);
+	for (i = 0 ; i < U300_GPIO_NUM_PORTS; i++)
+		free_irq(gpio_ports[i].irq, &gpio_ports[i]);
+	iounmap(virtbase);
+	release_mem_region(memres->start, memres->end - memres->start);
+	clk_disable(clk);
+	clk_put(clk);
+	return 0;
+}
+
+static struct platform_driver gpio_driver = {
+	.driver		= {
+		.name	= "u300-gpio",
+	},
+	.remove		= __exit_p(gpio_remove),
+};
+
+
+static int __init u300_gpio_init(void)
+{
+	return platform_driver_probe(&gpio_driver, gpio_probe);
+}
+
+static void __exit u300_gpio_exit(void)
+{
+	platform_driver_unregister(&gpio_driver);
+}
+
+arch_initcall(u300_gpio_init);
+module_exit(u300_gpio_exit);
+
+MODULE_AUTHOR("Linus Walleij <linus.walleij@stericsson.com>");
+
+#ifdef U300_COH901571_3
+MODULE_DESCRIPTION("ST-Ericsson AB COH 901 571/3 GPIO driver");
+#endif
+
+#ifdef U300_COH901335
+MODULE_DESCRIPTION("ST-Ericsson AB COH 901 335 GPIO driver");
+#endif
+
+MODULE_LICENSE("GPL");
diff --git a/arch/arm/mach-u300/include/mach/clkdev.h b/arch/arm/mach-u300/include/mach/clkdev.h
new file mode 100644
index 000000000000..92e3cc872c66
--- /dev/null
+++ b/arch/arm/mach-u300/include/mach/clkdev.h
@@ -0,0 +1,7 @@
+#ifndef __MACH_CLKDEV_H
+#define __MACH_CLKDEV_H
+
+int __clk_get(struct clk *clk);
+void __clk_put(struct clk *clk);
+
+#endif
diff --git a/arch/arm/mach-u300/include/mach/debug-macro.S b/arch/arm/mach-u300/include/mach/debug-macro.S
new file mode 100644
index 000000000000..f3a1cbbeeab3
--- /dev/null
+++ b/arch/arm/mach-u300/include/mach/debug-macro.S
@@ -0,0 +1,22 @@
+/*
+ *
+ * arch-arm/mach-u300/include/mach/debug-macro.S
+ *
+ *
+ * Copyright (C) 2006-2009 ST-Ericsson AB
+ * License terms: GNU General Public License (GPL) version 2
+ * Debugging macro include header.
+ * Author: Linus Walleij <linus.walleij@stericsson.com>
+ */
+#include <mach/hardware.h>
+
+	.macro	addruart,rx
+	/* If we move the adress using MMU, use this. */
+	mrc	p15, 0, \rx, c1, c0
+	tst	\rx, #1			@ MMU enabled?
+	ldreq	\rx,	  = U300_SLOW_PER_PHYS_BASE @ MMU off, physical address
+	ldrne	\rx,	  = U300_SLOW_PER_VIRT_BASE @ MMU on, virtual address
+	orr	\rx, \rx, #0x00003000
+	.endm
+
+#include <asm/hardware/debug-pl01x.S>
diff --git a/arch/arm/mach-u300/include/mach/entry-macro.S b/arch/arm/mach-u300/include/mach/entry-macro.S
new file mode 100644
index 000000000000..20731ae39d38
--- /dev/null
+++ b/arch/arm/mach-u300/include/mach/entry-macro.S
@@ -0,0 +1,40 @@
+/*
+ *
+ * arch-arm/mach-u300/include/mach/entry-macro.S
+ *
+ *
+ * Copyright (C) 2006-2009 ST-Ericsson AB
+ * License terms: GNU General Public License (GPL) version 2
+ * Low-level IRQ helper macros for ST-Ericsson U300
+ * Author: Linus Walleij <linus.walleij@stericsson.com>
+ */
+#include <mach/hardware.h>
+#include <asm/hardware/vic.h>
+
+	.macro	disable_fiq
+	.endm
+
+	.macro  get_irqnr_preamble, base, tmp
+	.endm
+
+	.macro  arch_ret_to_user, tmp1, tmp2
+	.endm
+
+	.macro	get_irqnr_and_base, irqnr, irqstat, base, tmp
+	ldr	\base, = U300_AHB_PER_VIRT_BASE-U300_AHB_PER_PHYS_BASE+U300_INTCON0_BASE
+	ldr	\irqstat, [\base, #VIC_IRQ_STATUS] @ get masked status
+	mov	\irqnr, #0
+	teq	\irqstat, #0
+	bne	1002f
+1001:	ldr	\base, = U300_AHB_PER_VIRT_BASE-U300_AHB_PER_PHYS_BASE+U300_INTCON1_BASE
+	ldr	\irqstat, [\base, #VIC_IRQ_STATUS] @ get masked status
+	mov	\irqnr, #32
+	teq	\irqstat, #0
+	beq	1003f
+1002:	tst	\irqstat, #1
+	bne	1003f
+	add	\irqnr, \irqnr, #1
+	movs	\irqstat, \irqstat, lsr #1
+	bne	1002b
+1003:		/* EQ will be set if no irqs pending */
+	.endm
diff --git a/arch/arm/mach-u300/include/mach/gpio.h b/arch/arm/mach-u300/include/mach/gpio.h
new file mode 100644
index 000000000000..c8174128d7eb
--- /dev/null
+++ b/arch/arm/mach-u300/include/mach/gpio.h
@@ -0,0 +1,290 @@
+/*
+ *
+ * arch/arm/mach-u300/include/mach/gpio.h
+ *
+ *
+ * Copyright (C) 2007-2009 ST-Ericsson AB
+ * License terms: GNU General Public License (GPL) version 2
+ * GPIO block resgister definitions and inline macros for
+ * U300 GPIO COH 901 335 or COH 901 571/3
+ * Author: Linus Walleij <linus.walleij@stericsson.com>
+ */
+
+#ifndef __MACH_U300_GPIO_H
+#define __MACH_U300_GPIO_H
+
+#include <linux/kernel.h>
+#include <linux/io.h>
+#include <mach/hardware.h>
+#include <asm/irq.h>
+
+/* Switch type depending on platform/chip variant */
+#if defined(CONFIG_MACH_U300_BS2X) || defined(CONFIG_MACH_U300_BS330)
+#define U300_COH901335
+#endif
+#if defined(CONFIG_MACH_U300_BS365) || defined(CONFIG_MACH_U300_BS335)
+#define U300_COH901571_3
+#endif
+
+/* Get base address for regs here */
+#include "u300-regs.h"
+/* IRQ numbers */
+#include "irqs.h"
+
+/*
+ * This is the GPIO block definitions. GPIO (General Purpose I/O) can be
+ * used for anything, and often is. The event/enable etc figures are for
+ * the lowermost pin (pin 0 on each port), shift this left to match your
+ * pin if you're gonna use these values.
+ */
+#ifdef U300_COH901335
+#define U300_GPIO_PORTX_SPACING				(0x1C)
+/* Port X Pin Data Register 32bit, this is both input and output (R/W) */
+#define U300_GPIO_PXPDIR				(0x00)
+#define U300_GPIO_PXPDOR				(0x00)
+/* Port X Pin Config Register 32bit (R/W) */
+#define U300_GPIO_PXPCR					(0x04)
+#define U300_GPIO_PXPCR_ALL_PINS_MODE_MASK		(0x0000FFFFUL)
+#define U300_GPIO_PXPCR_PIN_MODE_MASK			(0x00000003UL)
+#define U300_GPIO_PXPCR_PIN_MODE_SHIFT			(0x00000002UL)
+#define U300_GPIO_PXPCR_PIN_MODE_INPUT			(0x00000000UL)
+#define U300_GPIO_PXPCR_PIN_MODE_OUTPUT_PUSH_PULL	(0x00000001UL)
+#define U300_GPIO_PXPCR_PIN_MODE_OUTPUT_OPEN_DRAIN	(0x00000002UL)
+#define U300_GPIO_PXPCR_PIN_MODE_OUTPUT_OPEN_SOURCE	(0x00000003UL)
+/* Port X Interrupt Event Register 32bit (R/W) */
+#define U300_GPIO_PXIEV					(0x08)
+#define U300_GPIO_PXIEV_ALL_IRQ_EVENT_MASK		(0x000000FFUL)
+#define U300_GPIO_PXIEV_IRQ_EVENT			(0x00000001UL)
+/* Port X Interrupt Enable Register 32bit (R/W) */
+#define U300_GPIO_PXIEN					(0x0C)
+#define U300_GPIO_PXIEN_ALL_IRQ_ENABLE_MASK		(0x000000FFUL)
+#define U300_GPIO_PXIEN_IRQ_ENABLE			(0x00000001UL)
+/* Port X Interrupt Force Register 32bit (R/W) */
+#define U300_GPIO_PXIFR					(0x10)
+#define U300_GPIO_PXIFR_ALL_IRQ_FORCE_MASK		(0x000000FFUL)
+#define U300_GPIO_PXIFR_IRQ_FORCE			(0x00000001UL)
+/* Port X Interrupt Config Register 32bit (R/W) */
+#define U300_GPIO_PXICR					(0x14)
+#define U300_GPIO_PXICR_ALL_IRQ_CONFIG_MASK		(0x000000FFUL)
+#define U300_GPIO_PXICR_IRQ_CONFIG_MASK			(0x00000001UL)
+#define U300_GPIO_PXICR_IRQ_CONFIG_FALLING_EDGE		(0x00000000UL)
+#define U300_GPIO_PXICR_IRQ_CONFIG_RISING_EDGE		(0x00000001UL)
+/* Port X Pull-up Enable Register 32bit (R/W) */
+#define U300_GPIO_PXPER					(0x18)
+#define U300_GPIO_PXPER_ALL_PULL_UP_DISABLE_MASK	(0x000000FFUL)
+#define U300_GPIO_PXPER_PULL_UP_DISABLE			(0x00000001UL)
+/* Control Register 32bit (R/W) */
+#define U300_GPIO_CR					(0x54)
+#define U300_GPIO_CR_BLOCK_CLOCK_ENABLE			(0x00000001UL)
+/* three ports of 8 bits each = GPIO pins 0..23 */
+#define U300_GPIO_NUM_PORTS 3
+#define U300_GPIO_PINS_PER_PORT 8
+#define U300_GPIO_MAX	(U300_GPIO_PINS_PER_PORT * U300_GPIO_NUM_PORTS - 1)
+#endif
+
+#ifdef U300_COH901571_3
+/*
+ * Control Register 32bit (R/W)
+ * bit 15-9 (mask 0x0000FE00) contains the number of cores. 8*cores
+ * gives the number of GPIO pins.
+ * bit 8-2  (mask 0x000001FC) contains the core version ID.
+ */
+#define U300_GPIO_CR					(0x00)
+#define U300_GPIO_CR_SYNC_SEL_ENABLE			(0x00000002UL)
+#define U300_GPIO_CR_BLOCK_CLKRQ_ENABLE			(0x00000001UL)
+#define U300_GPIO_PORTX_SPACING				(0x30)
+/* Port X Pin Data INPUT Register 32bit (R/W) */
+#define U300_GPIO_PXPDIR				(0x04)
+/* Port X Pin Data OUTPUT Register 32bit (R/W) */
+#define U300_GPIO_PXPDOR				(0x08)
+/* Port X Pin Config Register 32bit (R/W) */
+#define U300_GPIO_PXPCR					(0x0C)
+#define U300_GPIO_PXPCR_ALL_PINS_MODE_MASK		(0x0000FFFFUL)
+#define U300_GPIO_PXPCR_PIN_MODE_MASK			(0x00000003UL)
+#define U300_GPIO_PXPCR_PIN_MODE_SHIFT			(0x00000002UL)
+#define U300_GPIO_PXPCR_PIN_MODE_INPUT			(0x00000000UL)
+#define U300_GPIO_PXPCR_PIN_MODE_OUTPUT_PUSH_PULL	(0x00000001UL)
+#define U300_GPIO_PXPCR_PIN_MODE_OUTPUT_OPEN_DRAIN	(0x00000002UL)
+#define U300_GPIO_PXPCR_PIN_MODE_OUTPUT_OPEN_SOURCE	(0x00000003UL)
+/* Port X Pull-up Enable Register 32bit (R/W) */
+#define U300_GPIO_PXPER					(0x10)
+#define U300_GPIO_PXPER_ALL_PULL_UP_DISABLE_MASK	(0x000000FFUL)
+#define U300_GPIO_PXPER_PULL_UP_DISABLE			(0x00000001UL)
+/* Port X Interrupt Event Register 32bit (R/W) */
+#define U300_GPIO_PXIEV					(0x14)
+#define U300_GPIO_PXIEV_ALL_IRQ_EVENT_MASK		(0x000000FFUL)
+#define U300_GPIO_PXIEV_IRQ_EVENT			(0x00000001UL)
+/* Port X Interrupt Enable Register 32bit (R/W) */
+#define U300_GPIO_PXIEN					(0x18)
+#define U300_GPIO_PXIEN_ALL_IRQ_ENABLE_MASK		(0x000000FFUL)
+#define U300_GPIO_PXIEN_IRQ_ENABLE			(0x00000001UL)
+/* Port X Interrupt Force Register 32bit (R/W) */
+#define U300_GPIO_PXIFR					(0x1C)
+#define U300_GPIO_PXIFR_ALL_IRQ_FORCE_MASK		(0x000000FFUL)
+#define U300_GPIO_PXIFR_IRQ_FORCE			(0x00000001UL)
+/* Port X Interrupt Config Register 32bit (R/W) */
+#define U300_GPIO_PXICR					(0x20)
+#define U300_GPIO_PXICR_ALL_IRQ_CONFIG_MASK		(0x000000FFUL)
+#define U300_GPIO_PXICR_IRQ_CONFIG_MASK			(0x00000001UL)
+#define U300_GPIO_PXICR_IRQ_CONFIG_FALLING_EDGE		(0x00000000UL)
+#define U300_GPIO_PXICR_IRQ_CONFIG_RISING_EDGE		(0x00000001UL)
+#ifdef CONFIG_MACH_U300_BS335
+/* seven ports of 8 bits each = GPIO pins 0..55 */
+#define U300_GPIO_NUM_PORTS 7
+#else
+/* five ports of 8 bits each = GPIO pins 0..39 */
+#define U300_GPIO_NUM_PORTS 5
+#endif
+#define U300_GPIO_PINS_PER_PORT 8
+#define U300_GPIO_MAX (U300_GPIO_PINS_PER_PORT * U300_GPIO_NUM_PORTS - 1)
+#endif
+
+/*
+ * Individual pin assignments for the B26/S26. Notice that the
+ * actual usage of these pins depends on the PAD MUX settings, that
+ * is why the same number can potentially appear several times.
+ * In the reference design each pin is only used for one purpose.
+ * These were determined by inspecting the B26/S26 schematic:
+ * 2/1911-ROA 128 1603
+ */
+#ifdef CONFIG_MACH_U300_BS2X
+#define U300_GPIO_PIN_UART_RX		0
+#define U300_GPIO_PIN_UART_TX		1
+#define U300_GPIO_PIN_GPIO02		2  /* Unrouted */
+#define U300_GPIO_PIN_GPIO03		3  /* Unrouted */
+#define U300_GPIO_PIN_CAM_SLEEP		4
+#define U300_GPIO_PIN_CAM_REG_EN	5
+#define U300_GPIO_PIN_GPIO06		6  /* Unrouted */
+#define U300_GPIO_PIN_GPIO07		7  /* Unrouted */
+
+#define U300_GPIO_PIN_GPIO08		8  /* Service point SP2321 */
+#define U300_GPIO_PIN_GPIO09		9  /* Service point SP2322 */
+#define U300_GPIO_PIN_PHFSENSE		10 /* Headphone jack sensing */
+#define U300_GPIO_PIN_MMC_CLKRET	11 /* Clock return from MMC/SD card */
+#define U300_GPIO_PIN_MMC_CD		12 /* MMC Card insertion detection */
+#define U300_GPIO_PIN_FLIPSENSE		13 /* Mechanical flip sensing */
+#define U300_GPIO_PIN_GPIO14		14 /* DSP JTAG Port RTCK */
+#define U300_GPIO_PIN_GPIO15		15 /* Unrouted */
+
+#define U300_GPIO_PIN_GPIO16		16 /* Unrouted */
+#define U300_GPIO_PIN_GPIO17		17 /* Unrouted */
+#define U300_GPIO_PIN_GPIO18		18 /* Unrouted */
+#define U300_GPIO_PIN_GPIO19		19 /* Unrouted */
+#define U300_GPIO_PIN_GPIO20		20 /* Unrouted */
+#define U300_GPIO_PIN_GPIO21		21 /* Unrouted */
+#define U300_GPIO_PIN_GPIO22		22 /* Unrouted */
+#define U300_GPIO_PIN_GPIO23		23 /* Unrouted */
+#endif
+
+/*
+ * Individual pin assignments for the B330/S330 and B365/S365.
+ * Notice that the actual usage of these pins depends on the
+ * PAD MUX settings, that is why the same number can potentially
+ * appear several times. In the reference design each pin is only
+ * used for one purpose. These were determined by inspecting the
+ * S365 schematic.
+ */
+#if defined(CONFIG_MACH_U300_BS330) || defined(CONFIG_MACH_U300_BS365) || \
+    defined(CONFIG_MACH_U300_BS335)
+#define U300_GPIO_PIN_UART_RX		0
+#define U300_GPIO_PIN_UART_TX		1
+#define U300_GPIO_PIN_UART_CTS		2
+#define U300_GPIO_PIN_UART_RTS		3
+#define U300_GPIO_PIN_CAM_MAIN_STANDBY	4 /* Camera MAIN standby */
+#define U300_GPIO_PIN_GPIO05		5 /* Unrouted */
+#define U300_GPIO_PIN_MS_CD		6 /* Memory Stick Card insertion */
+#define U300_GPIO_PIN_GPIO07		7 /* Test point TP2430 */
+
+#define U300_GPIO_PIN_GPIO08		8 /* Test point TP2437 */
+#define U300_GPIO_PIN_GPIO09		9 /* Test point TP2431 */
+#define U300_GPIO_PIN_GPIO10		10 /* Test point TP2432 */
+#define U300_GPIO_PIN_MMC_CLKRET	11 /* Clock return from MMC/SD card */
+#define U300_GPIO_PIN_MMC_CD		12 /* MMC Card insertion detection */
+#define U300_GPIO_PIN_CAM_SUB_STANDBY	13 /* Camera SUB standby */
+#define U300_GPIO_PIN_GPIO14		14 /* Test point TP2436 */
+#define U300_GPIO_PIN_GPIO15		15 /* Unrouted */
+
+#define U300_GPIO_PIN_GPIO16		16 /* Test point TP2438 */
+#define U300_GPIO_PIN_PHFSENSE		17 /* Headphone jack sensing */
+#define U300_GPIO_PIN_GPIO18		18 /* Test point TP2439 */
+#define U300_GPIO_PIN_GPIO19		19 /* Routed somewhere */
+#define U300_GPIO_PIN_GPIO20		20 /* Unrouted */
+#define U300_GPIO_PIN_GPIO21		21 /* Unrouted */
+#define U300_GPIO_PIN_GPIO22		22 /* Unrouted */
+#define U300_GPIO_PIN_GPIO23		23 /* Unrouted */
+
+#define U300_GPIO_PIN_GPIO24		24 /* Unrouted */
+#define U300_GPIO_PIN_GPIO25		25 /* Unrouted */
+#define U300_GPIO_PIN_GPIO26		26 /* Unrouted */
+#define U300_GPIO_PIN_GPIO27		27 /* Unrouted */
+#define U300_GPIO_PIN_GPIO28		28 /* Unrouted */
+#define U300_GPIO_PIN_GPIO29		29 /* Unrouted */
+#define U300_GPIO_PIN_GPIO30		30 /* Unrouted */
+#define U300_GPIO_PIN_GPIO31		31 /* Unrouted */
+
+#define U300_GPIO_PIN_GPIO32		32 /* Unrouted */
+#define U300_GPIO_PIN_GPIO33		33 /* Unrouted */
+#define U300_GPIO_PIN_GPIO34		34 /* Unrouted */
+#define U300_GPIO_PIN_GPIO35		35 /* Unrouted */
+#define U300_GPIO_PIN_GPIO36		36 /* Unrouted */
+#define U300_GPIO_PIN_GPIO37		37 /* Unrouted */
+#define U300_GPIO_PIN_GPIO38		38 /* Unrouted */
+#define U300_GPIO_PIN_GPIO39		39 /* Unrouted */
+
+#ifdef CONFIG_MACH_U300_BS335
+
+#define U300_GPIO_PIN_GPIO40		40 /* Unrouted */
+#define U300_GPIO_PIN_GPIO41		41 /* Unrouted */
+#define U300_GPIO_PIN_GPIO42		42 /* Unrouted */
+#define U300_GPIO_PIN_GPIO43		43 /* Unrouted */
+#define U300_GPIO_PIN_GPIO44		44 /* Unrouted */
+#define U300_GPIO_PIN_GPIO45		45 /* Unrouted */
+#define U300_GPIO_PIN_GPIO46		46 /* Unrouted */
+#define U300_GPIO_PIN_GPIO47		47 /* Unrouted */
+
+#define U300_GPIO_PIN_GPIO48		48 /* Unrouted */
+#define U300_GPIO_PIN_GPIO49		49 /* Unrouted */
+#define U300_GPIO_PIN_GPIO50		50 /* Unrouted */
+#define U300_GPIO_PIN_GPIO51		51 /* Unrouted */
+#define U300_GPIO_PIN_GPIO52		52 /* Unrouted */
+#define U300_GPIO_PIN_GPIO53		53 /* Unrouted */
+#define U300_GPIO_PIN_GPIO54		54 /* Unrouted */
+#define U300_GPIO_PIN_GPIO55		55 /* Unrouted */
+#endif
+
+#endif
+
+/* translates a pin number to a port number */
+#define PIN_TO_PORT(val) (val >> 3)
+
+/* These can be found in arch/arm/mach-u300/gpio.c */
+extern int gpio_request(unsigned gpio, const char *label);
+extern void gpio_free(unsigned gpio);
+extern int gpio_direction_input(unsigned gpio);
+extern int gpio_direction_output(unsigned gpio, int value);
+extern int gpio_register_callback(unsigned gpio,
+				  int (*func)(void *arg),
+				  void *);
+extern int gpio_unregister_callback(unsigned gpio);
+extern void enable_irq_on_gpio_pin(unsigned gpio, int edge);
+extern void disable_irq_on_gpio_pin(unsigned gpio);
+extern void gpio_pullup(unsigned gpio, int value);
+extern int gpio_get_value(unsigned gpio);
+extern void gpio_set_value(unsigned gpio, int value);
+
+/* wrappers to sleep-enable the previous two functions */
+static inline unsigned gpio_to_irq(unsigned gpio)
+{
+	return PIN_TO_PORT(gpio) + IRQ_U300_GPIO_PORT0;
+}
+
+static inline unsigned irq_to_gpio(unsigned irq)
+{
+	/*
+	 * FIXME: This is no 1-1 mapping at all, it points to the
+	 * whole block of 8 pins.
+	 */
+	return (irq - IRQ_U300_GPIO_PORT0) << 3;
+}
+
+#endif
diff --git a/arch/arm/mach-u300/include/mach/hardware.h b/arch/arm/mach-u300/include/mach/hardware.h
new file mode 100644
index 000000000000..b99d4ce0ac2b
--- /dev/null
+++ b/arch/arm/mach-u300/include/mach/hardware.h
@@ -0,0 +1,5 @@
+/*
+ * arch/arm/mach-u300/include/mach/hardware.h
+ */
+#include <asm/sizes.h>
+#include <mach/u300-regs.h>
diff --git a/arch/arm/mach-u300/include/mach/io.h b/arch/arm/mach-u300/include/mach/io.h
new file mode 100644
index 000000000000..5d6b4c13b3a0
--- /dev/null
+++ b/arch/arm/mach-u300/include/mach/io.h
@@ -0,0 +1,20 @@
+/*
+ *
+ * arch/arm/mach-u300/include/mach/io.h
+ *
+ *
+ * Copyright (C) 2006-2009 ST-Ericsson AB
+ * License terms: GNU General Public License (GPL) version 2
+ * Dummy IO map for being able to use writew()/readw(),
+ * writel()/readw() and similar accessor functions.
+ * Author: Linus Walleij <linus.walleij@stericsson.com>
+ */
+#ifndef __MACH_IO_H
+#define __MACH_IO_H
+
+#define IO_SPACE_LIMIT 0xffffffff
+
+#define __io(a)		__typesafe_io(a)
+#define __mem_pci(a)	(a)
+
+#endif
diff --git a/arch/arm/mach-u300/include/mach/irqs.h b/arch/arm/mach-u300/include/mach/irqs.h
new file mode 100644
index 000000000000..a6867b12773e
--- /dev/null
+++ b/arch/arm/mach-u300/include/mach/irqs.h
@@ -0,0 +1,114 @@
+/*
+ *
+ * arch/arm/mach-u300/include/mach/irqs.h
+ *
+ *
+ * Copyright (C) 2006-2009 ST-Ericsson AB
+ * License terms: GNU General Public License (GPL) version 2
+ * IRQ channel definitions for the U300 platforms.
+ * Author: Linus Walleij <linus.walleij@stericsson.com>
+ */
+
+#ifndef __MACH_IRQS_H
+#define __MACH_IRQS_H
+
+#define IRQ_U300_INTCON0_START		0
+#define IRQ_U300_INTCON1_START		32
+/* These are on INTCON0 - 30 lines */
+#define IRQ_U300_IRQ0_EXT		0
+#define IRQ_U300_IRQ1_EXT		1
+#define IRQ_U300_DMA			2
+#define IRQ_U300_VIDEO_ENC_0		3
+#define IRQ_U300_VIDEO_ENC_1		4
+#define IRQ_U300_AAIF_RX		5
+#define IRQ_U300_AAIF_TX		6
+#define IRQ_U300_AAIF_VGPIO		7
+#define IRQ_U300_AAIF_WAKEUP		8
+#define IRQ_U300_PCM_I2S0_FRAME		9
+#define IRQ_U300_PCM_I2S0_FIFO		10
+#define IRQ_U300_PCM_I2S1_FRAME		11
+#define IRQ_U300_PCM_I2S1_FIFO		12
+#define IRQ_U300_XGAM_GAMCON		13
+#define IRQ_U300_XGAM_CDI		14
+#define IRQ_U300_XGAM_CDICON		15
+#if defined(CONFIG_MACH_U300_BS2X) || defined(CONFIG_MACH_U300_BS330)
+/* MMIACC not used on the DB3210 or DB3350 chips */
+#define IRQ_U300_XGAM_MMIACC		16
+#endif
+#define IRQ_U300_XGAM_PDI		17
+#define IRQ_U300_XGAM_PDICON		18
+#define IRQ_U300_XGAM_GAMEACC		19
+#define IRQ_U300_XGAM_MCIDCT		20
+#define IRQ_U300_APEX			21
+#define IRQ_U300_UART0			22
+#define IRQ_U300_SPI			23
+#define IRQ_U300_TIMER_APP_OS		24
+#define IRQ_U300_TIMER_APP_DD		25
+#define IRQ_U300_TIMER_APP_GP1		26
+#define IRQ_U300_TIMER_APP_GP2		27
+#define IRQ_U300_TIMER_OS		28
+#define IRQ_U300_TIMER_MS		29
+#define IRQ_U300_KEYPAD_KEYBF		30
+#define IRQ_U300_KEYPAD_KEYBR		31
+/* These are on INTCON1 - 32 lines */
+#define IRQ_U300_GPIO_PORT0		32
+#define IRQ_U300_GPIO_PORT1		33
+#define IRQ_U300_GPIO_PORT2		34
+
+#if defined(CONFIG_MACH_U300_BS2X) || defined(CONFIG_MACH_U300_BS330) || \
+    defined(CONFIG_MACH_U300_BS335)
+/* These are for DB3150, DB3200 and DB3350 */
+#define IRQ_U300_WDOG			35
+#define IRQ_U300_EVHIST			36
+#define IRQ_U300_MSPRO			37
+#define IRQ_U300_MMCSD_MCIINTR0		38
+#define IRQ_U300_MMCSD_MCIINTR1		39
+#define IRQ_U300_I2C0			40
+#define IRQ_U300_I2C1			41
+#define IRQ_U300_RTC			42
+#define IRQ_U300_NFIF			43
+#define IRQ_U300_NFIF2			44
+#endif
+
+/* DB3150 and DB3200 have only 45 IRQs */
+#if defined(CONFIG_MACH_U300_BS2X) || defined(CONFIG_MACH_U300_BS330)
+#define U300_NR_IRQS			45
+#endif
+
+/* The DB3350-specific interrupt lines */
+#ifdef CONFIG_MACH_U300_BS335
+#define IRQ_U300_ISP_F0			45
+#define IRQ_U300_ISP_F1			46
+#define IRQ_U300_ISP_F2			47
+#define IRQ_U300_ISP_F3			48
+#define IRQ_U300_ISP_F4			49
+#define IRQ_U300_GPIO_PORT3		50
+#define IRQ_U300_SYSCON_PLL_LOCK	51
+#define IRQ_U300_UART1			52
+#define IRQ_U300_GPIO_PORT4		53
+#define IRQ_U300_GPIO_PORT5		54
+#define IRQ_U300_GPIO_PORT6		55
+#define U300_NR_IRQS			56
+#endif
+
+/* The DB3210-specific interrupt lines */
+#ifdef CONFIG_MACH_U300_BS365
+#define IRQ_U300_GPIO_PORT3		35
+#define IRQ_U300_GPIO_PORT4		36
+#define IRQ_U300_WDOG			37
+#define IRQ_U300_EVHIST			38
+#define IRQ_U300_MSPRO			39
+#define IRQ_U300_MMCSD_MCIINTR0		40
+#define IRQ_U300_MMCSD_MCIINTR1		41
+#define IRQ_U300_I2C0			42
+#define IRQ_U300_I2C1			43
+#define IRQ_U300_RTC			44
+#define IRQ_U300_NFIF			45
+#define IRQ_U300_NFIF2			46
+#define IRQ_U300_SYSCON_PLL_LOCK	47
+#define U300_NR_IRQS			48
+#endif
+
+#define NR_IRQS U300_NR_IRQS
+
+#endif
diff --git a/arch/arm/mach-u300/include/mach/memory.h b/arch/arm/mach-u300/include/mach/memory.h
new file mode 100644
index 000000000000..bf134bcc129d
--- /dev/null
+++ b/arch/arm/mach-u300/include/mach/memory.h
@@ -0,0 +1,42 @@
+/*
+ *
+ * arch/arm/mach-u300/include/mach/memory.h
+ *
+ *
+ * Copyright (C) 2007-2009 ST-Ericsson AB
+ * License terms: GNU General Public License (GPL) version 2
+ * Memory virtual/physical mapping constants.
+ * Author: Linus Walleij <linus.walleij@stericsson.com>
+ * Author: Jonas Aaberg <jonas.aberg@stericsson.com>
+ */
+
+#ifndef __MACH_MEMORY_H
+#define __MACH_MEMORY_H
+
+#ifdef CONFIG_MACH_U300_DUAL_RAM
+
+#define PHYS_OFFSET		UL(0x48000000)
+#define BOOT_PARAMS_OFFSET	(PHYS_OFFSET + 0x100)
+
+#else
+
+#ifdef CONFIG_MACH_U300_2MB_ALIGNMENT_FIX
+#define PHYS_OFFSET (0x28000000 + \
+	     (CONFIG_MACH_U300_ACCESS_MEM_SIZE - \
+	     (CONFIG_MACH_U300_ACCESS_MEM_SIZE & 1))*1024*1024)
+#else
+#define PHYS_OFFSET (0x28000000 + \
+	     (CONFIG_MACH_U300_ACCESS_MEM_SIZE +	\
+	     (CONFIG_MACH_U300_ACCESS_MEM_SIZE & 1))*1024*1024)
+#endif
+#define BOOT_PARAMS_OFFSET (0x28000000 + \
+	    (CONFIG_MACH_U300_ACCESS_MEM_SIZE +		\
+	    (CONFIG_MACH_U300_ACCESS_MEM_SIZE & 1))*1024*1024 + 0x100)
+#endif
+
+/*
+ * We enable a real big DMA buffer if need be.
+ */
+#define CONSISTENT_DMA_SIZE SZ_4M
+
+#endif
diff --git a/arch/arm/mach-u300/include/mach/platform.h b/arch/arm/mach-u300/include/mach/platform.h
new file mode 100644
index 000000000000..77d9210a82e2
--- /dev/null
+++ b/arch/arm/mach-u300/include/mach/platform.h
@@ -0,0 +1,19 @@
+/*
+ *
+ * arch/arm/mach-u300/include/mach/platform.h
+ *
+ *
+ * Copyright (C) 2006-2009 ST-Ericsson AB
+ * License terms: GNU General Public License (GPL) version 2
+ * Basic platform init and mapping functions.
+ * Author: Linus Walleij <linus.walleij@stericsson.com>
+ */
+
+#ifndef __ASSEMBLY__
+
+void u300_map_io(void);
+void u300_init_irq(void);
+void u300_init_devices(void);
+extern struct sys_timer u300_timer;
+
+#endif
diff --git a/arch/arm/mach-u300/include/mach/syscon.h b/arch/arm/mach-u300/include/mach/syscon.h
new file mode 100644
index 000000000000..1c90d1b1ccb6
--- /dev/null
+++ b/arch/arm/mach-u300/include/mach/syscon.h
@@ -0,0 +1,644 @@
+/*
+ *
+ * arch/arm/mach-u300/include/mach/syscon.h
+ *
+ *
+ * Copyright (C) 2008 ST-Ericsson AB
+ *
+ * Author: Rickard Andersson <rickard.andersson@stericsson.com>
+ */
+
+#ifndef __MACH_SYSCON_H
+#define __MACH_SYSCON_H
+
+/*
+ * All register defines for SYSCON registers that concerns individual
+ * block clocks and reset lines are registered here. This is because
+ * we don't want any other file to try to fool around with this stuff.
+ */
+
+/* APP side SYSCON registers */
+/* TODO: this is incomplete. Add all from asic_syscon_map.h eventually. */
+/* CLK Control Register 16bit (R/W) */
+#define U300_SYSCON_CCR						(0x0000)
+#define U300_SYSCON_CCR_I2S1_USE_VCXO				(0x0040)
+#define U300_SYSCON_CCR_I2S0_USE_VCXO				(0x0020)
+#define U300_SYSCON_CCR_TURN_VCXO_ON				(0x0008)
+#define U300_SYSCON_CCR_CLKING_PERFORMANCE_MASK			(0x0007)
+#define U300_SYSCON_CCR_CLKING_PERFORMANCE_LOW_POWER		(0x04)
+#define U300_SYSCON_CCR_CLKING_PERFORMANCE_LOW			(0x03)
+#define U300_SYSCON_CCR_CLKING_PERFORMANCE_INTERMEDIATE		(0x02)
+#define U300_SYSCON_CCR_CLKING_PERFORMANCE_HIGH			(0x01)
+#define U300_SYSCON_CCR_CLKING_PERFORMANCE_BEST			(0x00)
+/* CLK Status Register 16bit (R/W) */
+#define U300_SYSCON_CSR						(0x0004)
+#define U300_SYSCON_CSR_PLL208_LOCK_IND				(0x0002)
+#define U300_SYSCON_CSR_PLL13_LOCK_IND				(0x0001)
+/* Reset lines for SLOW devices 16bit (R/W) */
+#define U300_SYSCON_RSR						(0x0014)
+#ifdef CONFIG_MACH_U300_BS335
+#define U300_SYSCON_RSR_PPM_RESET_EN				(0x0200)
+#endif
+#define U300_SYSCON_RSR_ACC_TMR_RESET_EN			(0x0100)
+#define U300_SYSCON_RSR_APP_TMR_RESET_EN			(0x0080)
+#define U300_SYSCON_RSR_RTC_RESET_EN				(0x0040)
+#define U300_SYSCON_RSR_KEYPAD_RESET_EN				(0x0020)
+#define U300_SYSCON_RSR_GPIO_RESET_EN				(0x0010)
+#define U300_SYSCON_RSR_EH_RESET_EN				(0x0008)
+#define U300_SYSCON_RSR_BTR_RESET_EN				(0x0004)
+#define U300_SYSCON_RSR_UART_RESET_EN				(0x0002)
+#define U300_SYSCON_RSR_SLOW_BRIDGE_RESET_EN			(0x0001)
+/* Reset lines for FAST devices 16bit (R/W) */
+#define U300_SYSCON_RFR						(0x0018)
+#ifdef CONFIG_MACH_U300_BS335
+#define U300_SYSCON_RFR_UART1_RESET_ENABLE			(0x0080)
+#endif
+#define U300_SYSCON_RFR_SPI_RESET_ENABLE			(0x0040)
+#define U300_SYSCON_RFR_MMC_RESET_ENABLE			(0x0020)
+#define U300_SYSCON_RFR_PCM_I2S1_RESET_ENABLE			(0x0010)
+#define U300_SYSCON_RFR_PCM_I2S0_RESET_ENABLE			(0x0008)
+#define U300_SYSCON_RFR_I2C1_RESET_ENABLE			(0x0004)
+#define U300_SYSCON_RFR_I2C0_RESET_ENABLE			(0x0002)
+#define U300_SYSCON_RFR_FAST_BRIDGE_RESET_ENABLE		(0x0001)
+/* Reset lines for the rest of the peripherals 16bit (R/W) */
+#define U300_SYSCON_RRR						(0x001c)
+#ifdef CONFIG_MACH_U300_BS335
+#define U300_SYSCON_RRR_CDS_RESET_EN				(0x4000)
+#define U300_SYSCON_RRR_ISP_RESET_EN				(0x2000)
+#endif
+#define U300_SYSCON_RRR_INTCON_RESET_EN				(0x1000)
+#define U300_SYSCON_RRR_MSPRO_RESET_EN				(0x0800)
+#define U300_SYSCON_RRR_XGAM_RESET_EN				(0x0100)
+#define U300_SYSCON_RRR_XGAM_VC_SYNC_RESET_EN			(0x0080)
+#define U300_SYSCON_RRR_NANDIF_RESET_EN				(0x0040)
+#define U300_SYSCON_RRR_EMIF_RESET_EN				(0x0020)
+#define U300_SYSCON_RRR_DMAC_RESET_EN				(0x0010)
+#define U300_SYSCON_RRR_CPU_RESET_EN				(0x0008)
+#define U300_SYSCON_RRR_APEX_RESET_EN				(0x0004)
+#define U300_SYSCON_RRR_AHB_RESET_EN				(0x0002)
+#define U300_SYSCON_RRR_AAIF_RESET_EN				(0x0001)
+/* Clock enable for SLOW peripherals 16bit (R/W) */
+#define U300_SYSCON_CESR					(0x0020)
+#ifdef CONFIG_MACH_U300_BS335
+#define U300_SYSCON_CESR_PPM_CLK_EN				(0x0200)
+#endif
+#define U300_SYSCON_CESR_ACC_TMR_CLK_EN				(0x0100)
+#define U300_SYSCON_CESR_APP_TMR_CLK_EN				(0x0080)
+#define U300_SYSCON_CESR_KEYPAD_CLK_EN				(0x0040)
+#define U300_SYSCON_CESR_GPIO_CLK_EN				(0x0010)
+#define U300_SYSCON_CESR_EH_CLK_EN				(0x0008)
+#define U300_SYSCON_CESR_BTR_CLK_EN				(0x0004)
+#define U300_SYSCON_CESR_UART_CLK_EN				(0x0002)
+#define U300_SYSCON_CESR_SLOW_BRIDGE_CLK_EN			(0x0001)
+/* Clock enable for FAST peripherals 16bit (R/W) */
+#define U300_SYSCON_CEFR					(0x0024)
+#ifdef CONFIG_MACH_U300_BS335
+#define U300_SYSCON_CEFR_UART1_CLK_EN				(0x0200)
+#endif
+#define U300_SYSCON_CEFR_I2S1_CORE_CLK_EN			(0x0100)
+#define U300_SYSCON_CEFR_I2S0_CORE_CLK_EN			(0x0080)
+#define U300_SYSCON_CEFR_SPI_CLK_EN				(0x0040)
+#define U300_SYSCON_CEFR_MMC_CLK_EN				(0x0020)
+#define U300_SYSCON_CEFR_I2S1_CLK_EN    			(0x0010)
+#define U300_SYSCON_CEFR_I2S0_CLK_EN     			(0x0008)
+#define U300_SYSCON_CEFR_I2C1_CLK_EN     			(0x0004)
+#define U300_SYSCON_CEFR_I2C0_CLK_EN     			(0x0002)
+#define U300_SYSCON_CEFR_FAST_BRIDGE_CLK_EN			(0x0001)
+/* Clock enable for the rest of the peripherals 16bit (R/W) */
+#define U300_SYSCON_CERR					(0x0028)
+#ifdef CONFIG_MACH_U300_BS335
+#define U300_SYSCON_CERR_CDS_CLK_EN				(0x2000)
+#define U300_SYSCON_CERR_ISP_CLK_EN				(0x1000)
+#endif
+#define U300_SYSCON_CERR_MSPRO_CLK_EN				(0x0800)
+#define U300_SYSCON_CERR_AHB_SUBSYS_BRIDGE_CLK_EN		(0x0400)
+#define U300_SYSCON_CERR_SEMI_CLK_EN				(0x0200)
+#define U300_SYSCON_CERR_XGAM_CLK_EN				(0x0100)
+#define U300_SYSCON_CERR_VIDEO_ENC_CLK_EN			(0x0080)
+#define U300_SYSCON_CERR_NANDIF_CLK_EN				(0x0040)
+#define U300_SYSCON_CERR_EMIF_CLK_EN				(0x0020)
+#define U300_SYSCON_CERR_DMAC_CLK_EN				(0x0010)
+#define U300_SYSCON_CERR_CPU_CLK_EN				(0x0008)
+#define U300_SYSCON_CERR_APEX_CLK_EN				(0x0004)
+#define U300_SYSCON_CERR_AHB_CLK_EN				(0x0002)
+#define U300_SYSCON_CERR_AAIF_CLK_EN				(0x0001)
+/* Single block clock enable 16bit (-/W) */
+#define U300_SYSCON_SBCER					(0x002c)
+#ifdef CONFIG_MACH_U300_BS335
+#define U300_SYSCON_SBCER_PPM_CLK_EN				(0x0009)
+#endif
+#define U300_SYSCON_SBCER_ACC_TMR_CLK_EN			(0x0008)
+#define U300_SYSCON_SBCER_APP_TMR_CLK_EN			(0x0007)
+#define U300_SYSCON_SBCER_KEYPAD_CLK_EN				(0x0006)
+#define U300_SYSCON_SBCER_GPIO_CLK_EN				(0x0004)
+#define U300_SYSCON_SBCER_EH_CLK_EN				(0x0003)
+#define U300_SYSCON_SBCER_BTR_CLK_EN				(0x0002)
+#define U300_SYSCON_SBCER_UART_CLK_EN				(0x0001)
+#define U300_SYSCON_SBCER_SLOW_BRIDGE_CLK_EN			(0x0000)
+#ifdef CONFIG_MACH_U300_BS335
+#define U300_SYSCON_SBCER_UART1_CLK_EN				(0x0019)
+#endif
+#define U300_SYSCON_SBCER_I2S1_CORE_CLK_EN			(0x0018)
+#define U300_SYSCON_SBCER_I2S0_CORE_CLK_EN			(0x0017)
+#define U300_SYSCON_SBCER_SPI_CLK_EN				(0x0016)
+#define U300_SYSCON_SBCER_MMC_CLK_EN				(0x0015)
+#define U300_SYSCON_SBCER_I2S1_CLK_EN				(0x0014)
+#define U300_SYSCON_SBCER_I2S0_CLK_EN				(0x0013)
+#define U300_SYSCON_SBCER_I2C1_CLK_EN				(0x0012)
+#define U300_SYSCON_SBCER_I2C0_CLK_EN				(0x0011)
+#define U300_SYSCON_SBCER_FAST_BRIDGE_CLK_EN			(0x0010)
+#ifdef CONFIG_MACH_U300_BS335
+#define U300_SYSCON_SBCER_CDS_CLK_EN				(0x002D)
+#define U300_SYSCON_SBCER_ISP_CLK_EN				(0x002C)
+#endif
+#define U300_SYSCON_SBCER_MSPRO_CLK_EN				(0x002B)
+#define U300_SYSCON_SBCER_AHB_SUBSYS_BRIDGE_CLK_EN		(0x002A)
+#define U300_SYSCON_SBCER_SEMI_CLK_EN				(0x0029)
+#define U300_SYSCON_SBCER_XGAM_CLK_EN				(0x0028)
+#define U300_SYSCON_SBCER_VIDEO_ENC_CLK_EN			(0x0027)
+#define U300_SYSCON_SBCER_NANDIF_CLK_EN				(0x0026)
+#define U300_SYSCON_SBCER_EMIF_CLK_EN				(0x0025)
+#define U300_SYSCON_SBCER_DMAC_CLK_EN				(0x0024)
+#define U300_SYSCON_SBCER_CPU_CLK_EN				(0x0023)
+#define U300_SYSCON_SBCER_APEX_CLK_EN				(0x0022)
+#define U300_SYSCON_SBCER_AHB_CLK_EN				(0x0021)
+#define U300_SYSCON_SBCER_AAIF_CLK_EN				(0x0020)
+/* Single block clock disable 16bit (-/W) */
+#define U300_SYSCON_SBCDR					(0x0030)
+/* Same values as above for SBCER */
+/* Clock force SLOW peripherals 16bit (R/W) */
+#define U300_SYSCON_CFSR					(0x003c)
+#ifdef CONFIG_MACH_U300_BS335
+#define U300_SYSCON_CFSR_PPM_CLK_FORCE_EN			(0x0200)
+#endif
+#define U300_SYSCON_CFSR_ACC_TMR_CLK_FORCE_EN			(0x0100)
+#define U300_SYSCON_CFSR_APP_TMR_CLK_FORCE_EN			(0x0080)
+#define U300_SYSCON_CFSR_KEYPAD_CLK_FORCE_EN			(0x0020)
+#define U300_SYSCON_CFSR_GPIO_CLK_FORCE_EN			(0x0010)
+#define U300_SYSCON_CFSR_EH_CLK_FORCE_EN			(0x0008)
+#define U300_SYSCON_CFSR_BTR_CLK_FORCE_EN			(0x0004)
+#define U300_SYSCON_CFSR_UART_CLK_FORCE_EN			(0x0002)
+#define U300_SYSCON_CFSR_SLOW_BRIDGE_CLK_FORCE_EN		(0x0001)
+/* Clock force FAST peripherals 16bit (R/W) */
+#define U300_SYSCON_CFFR					(0x40)
+/* Values not defined. Define if you want to use them. */
+/* Clock force the rest of the peripherals 16bit (R/W) */
+#define U300_SYSCON_CFRR					(0x44)
+#ifdef CONFIG_MACH_U300_BS335
+#define U300_SYSCON_CFRR_CDS_CLK_FORCE_EN			(0x2000)
+#define U300_SYSCON_CFRR_ISP_CLK_FORCE_EN			(0x1000)
+#endif
+#define U300_SYSCON_CFRR_MSPRO_CLK_FORCE_EN			(0x0800)
+#define U300_SYSCON_CFRR_AHB_SUBSYS_BRIDGE_CLK_FORCE_EN		(0x0400)
+#define U300_SYSCON_CFRR_SEMI_CLK_FORCE_EN			(0x0200)
+#define U300_SYSCON_CFRR_XGAM_CLK_FORCE_EN			(0x0100)
+#define U300_SYSCON_CFRR_VIDEO_ENC_CLK_FORCE_EN			(0x0080)
+#define U300_SYSCON_CFRR_NANDIF_CLK_FORCE_EN			(0x0040)
+#define U300_SYSCON_CFRR_EMIF_CLK_FORCE_EN			(0x0020)
+#define U300_SYSCON_CFRR_DMAC_CLK_FORCE_EN			(0x0010)
+#define U300_SYSCON_CFRR_CPU_CLK_FORCE_EN			(0x0008)
+#define U300_SYSCON_CFRR_APEX_CLK_FORCE_EN			(0x0004)
+#define U300_SYSCON_CFRR_AHB_CLK_FORCE_EN			(0x0002)
+#define U300_SYSCON_CFRR_AAIF_CLK_FORCE_EN			(0x0001)
+/* PLL208 Frequency Control 16bit (R/W) */
+#define U300_SYSCON_PFCR					(0x48)
+#define U300_SYSCON_PFCR_DPLL_MULT_NUM				(0x000F)
+/* Power Management Control 16bit (R/W) */
+#define U300_SYSCON_PMCR					(0x50)
+#define U300_SYSCON_PMCR_DCON_ENABLE				(0x0002)
+#define U300_SYSCON_PMCR_PWR_MGNT_ENABLE			(0x0001)
+/*
+ * All other clocking registers moved to clock.c!
+ */
+/* Reset Out 16bit (R/W) */
+#define U300_SYSCON_RCR						(0x6c)
+#define U300_SYSCON_RCR_RESOUT0_RST_N_DISABLE			(0x0001)
+/* EMIF Slew Rate Control 16bit (R/W) */
+#define U300_SYSCON_SRCLR					(0x70)
+#define U300_SYSCON_SRCLR_MASK					(0x03FF)
+#define U300_SYSCON_SRCLR_VALUE					(0x03FF)
+#define U300_SYSCON_SRCLR_EMIF_1_SLRC_5_B			(0x0200)
+#define U300_SYSCON_SRCLR_EMIF_1_SLRC_5_A			(0x0100)
+#define U300_SYSCON_SRCLR_EMIF_1_SLRC_4_B			(0x0080)
+#define U300_SYSCON_SRCLR_EMIF_1_SLRC_4_A			(0x0040)
+#define U300_SYSCON_SRCLR_EMIF_1_SLRC_3_B			(0x0020)
+#define U300_SYSCON_SRCLR_EMIF_1_SLRC_3_A			(0x0010)
+#define U300_SYSCON_SRCLR_EMIF_1_SLRC_2_B			(0x0008)
+#define U300_SYSCON_SRCLR_EMIF_1_SLRC_2_A			(0x0004)
+#define U300_SYSCON_SRCLR_EMIF_1_SLRC_1_B			(0x0002)
+#define U300_SYSCON_SRCLR_EMIF_1_SLRC_1_A			(0x0001)
+/* EMIF Clock Control Register 16bit (R/W) */
+#define U300_SYSCON_ECCR					(0x0078)
+#define U300_SYSCON_ECCR_MASK					(0x000F)
+#define U300_SYSCON_ECCR_EMIF_1_STATIC_CLK_EN_N_DISABLE		(0x0008)
+#define U300_SYSCON_ECCR_EMIF_1_RET_OUT_CLK_EN_N_DISABLE	(0x0004)
+#define U300_SYSCON_ECCR_EMIF_MEMCLK_RET_EN_N_DISABLE		(0x0002)
+#define U300_SYSCON_ECCR_EMIF_SDRCLK_RET_EN_N_DISABLE		(0x0001)
+/* PAD MUX Control register 1 (LOW) 16bit (R/W) */
+#define U300_SYSCON_PMC1LR					(0x007C)
+#define U300_SYSCON_PMC1LR_MASK					(0xFFFF)
+#define U300_SYSCON_PMC1LR_CDI_MASK				(0xC000)
+#define U300_SYSCON_PMC1LR_CDI_CDI				(0x0000)
+#define U300_SYSCON_PMC1LR_CDI_EMIF				(0x4000)
+#define U300_SYSCON_PMC1LR_CDI_GPIO				(0x8000)
+#define U300_SYSCON_PMC1LR_CDI_WCDMA				(0xC000)
+#define U300_SYSCON_PMC1LR_PDI_MASK				(0x3000)
+#define U300_SYSCON_PMC1LR_PDI_PDI				(0x0000)
+#define U300_SYSCON_PMC1LR_PDI_EGG				(0x1000)
+#define U300_SYSCON_PMC1LR_PDI_WCDMA				(0x3000)
+#define U300_SYSCON_PMC1LR_MMCSD_MASK				(0x0C00)
+#define U300_SYSCON_PMC1LR_MMCSD_MMCSD				(0x0000)
+#define U300_SYSCON_PMC1LR_MMCSD_MSPRO				(0x0400)
+#define U300_SYSCON_PMC1LR_MMCSD_DSP				(0x0800)
+#define U300_SYSCON_PMC1LR_MMCSD_WCDMA				(0x0C00)
+#define U300_SYSCON_PMC1LR_ETM_MASK				(0x0300)
+#define U300_SYSCON_PMC1LR_ETM_ACC				(0x0000)
+#define U300_SYSCON_PMC1LR_ETM_APP				(0x0100)
+#define U300_SYSCON_PMC1LR_EMIF_1_CS2_MASK			(0x00C0)
+#define U300_SYSCON_PMC1LR_EMIF_1_CS2_STATIC			(0x0000)
+#define U300_SYSCON_PMC1LR_EMIF_1_CS2_NFIF			(0x0040)
+#define U300_SYSCON_PMC1LR_EMIF_1_CS2_SDRAM			(0x0080)
+#define U300_SYSCON_PMC1LR_EMIF_1_CS2_STATIC_2GB		(0x00C0)
+#define U300_SYSCON_PMC1LR_EMIF_1_CS1_MASK			(0x0030)
+#define U300_SYSCON_PMC1LR_EMIF_1_CS1_STATIC			(0x0000)
+#define U300_SYSCON_PMC1LR_EMIF_1_CS1_NFIF			(0x0010)
+#define U300_SYSCON_PMC1LR_EMIF_1_CS1_SDRAM			(0x0020)
+#define U300_SYSCON_PMC1LR_EMIF_1_CS1_SEMI			(0x0030)
+#define U300_SYSCON_PMC1LR_EMIF_1_CS0_MASK			(0x000C)
+#define U300_SYSCON_PMC1LR_EMIF_1_CS0_STATIC			(0x0000)
+#define U300_SYSCON_PMC1LR_EMIF_1_CS0_NFIF			(0x0004)
+#define U300_SYSCON_PMC1LR_EMIF_1_CS0_SDRAM			(0x0008)
+#define U300_SYSCON_PMC1LR_EMIF_1_CS0_SEMI			(0x000C)
+#define U300_SYSCON_PMC1LR_EMIF_1_MASK				(0x0003)
+#define U300_SYSCON_PMC1LR_EMIF_1_STATIC			(0x0000)
+#define U300_SYSCON_PMC1LR_EMIF_1_SDRAM0			(0x0001)
+#define U300_SYSCON_PMC1LR_EMIF_1_SDRAM1			(0x0002)
+#define U300_SYSCON_PMC1LR_EMIF_1				(0x0003)
+/* PAD MUX Control register 2 (HIGH) 16bit (R/W) */
+#define U300_SYSCON_PMC1HR					(0x007E)
+#define U300_SYSCON_PMC1HR_MASK					(0xFFFF)
+#define U300_SYSCON_PMC1HR_MISC_2_MASK				(0xC000)
+#define U300_SYSCON_PMC1HR_MISC_2_APP_GPIO			(0x0000)
+#define U300_SYSCON_PMC1HR_MISC_2_MSPRO				(0x4000)
+#define U300_SYSCON_PMC1HR_MISC_2_DSP				(0x8000)
+#define U300_SYSCON_PMC1HR_MISC_2_AAIF				(0xC000)
+#define U300_SYSCON_PMC1HR_APP_GPIO_2_MASK			(0x3000)
+#define U300_SYSCON_PMC1HR_APP_GPIO_2_APP_GPIO			(0x0000)
+#define U300_SYSCON_PMC1HR_APP_GPIO_2_NFIF			(0x1000)
+#define U300_SYSCON_PMC1HR_APP_GPIO_2_DSP			(0x2000)
+#define U300_SYSCON_PMC1HR_APP_GPIO_2_AAIF			(0x3000)
+#define U300_SYSCON_PMC1HR_APP_GPIO_1_MASK			(0x0C00)
+#define U300_SYSCON_PMC1HR_APP_GPIO_1_APP_GPIO			(0x0000)
+#define U300_SYSCON_PMC1HR_APP_GPIO_1_MMC			(0x0400)
+#define U300_SYSCON_PMC1HR_APP_GPIO_1_DSP			(0x0800)
+#define U300_SYSCON_PMC1HR_APP_GPIO_1_AAIF			(0x0C00)
+#define U300_SYSCON_PMC1HR_APP_SPI_CS_2_MASK			(0x0300)
+#define U300_SYSCON_PMC1HR_APP_SPI_CS_2_APP_GPIO		(0x0000)
+#define U300_SYSCON_PMC1HR_APP_SPI_CS_2_SPI			(0x0100)
+#define U300_SYSCON_PMC1HR_APP_SPI_CS_2_AAIF			(0x0300)
+#define U300_SYSCON_PMC1HR_APP_SPI_CS_1_MASK			(0x00C0)
+#define U300_SYSCON_PMC1HR_APP_SPI_CS_1_APP_GPIO		(0x0000)
+#define U300_SYSCON_PMC1HR_APP_SPI_CS_1_SPI			(0x0040)
+#define U300_SYSCON_PMC1HR_APP_SPI_CS_1_AAIF			(0x00C0)
+#define U300_SYSCON_PMC1HR_APP_SPI_2_MASK			(0x0030)
+#define U300_SYSCON_PMC1HR_APP_SPI_2_APP_GPIO			(0x0000)
+#define U300_SYSCON_PMC1HR_APP_SPI_2_SPI			(0x0010)
+#define U300_SYSCON_PMC1HR_APP_SPI_2_DSP			(0x0020)
+#define U300_SYSCON_PMC1HR_APP_SPI_2_AAIF			(0x0030)
+#define U300_SYSCON_PMC1HR_APP_UART0_2_MASK			(0x000C)
+#define U300_SYSCON_PMC1HR_APP_UART0_2_APP_GPIO			(0x0000)
+#define U300_SYSCON_PMC1HR_APP_UART0_2_UART0			(0x0004)
+#define U300_SYSCON_PMC1HR_APP_UART0_2_NFIF_CS			(0x0008)
+#define U300_SYSCON_PMC1HR_APP_UART0_2_AAIF			(0x000C)
+#define U300_SYSCON_PMC1HR_APP_UART0_1_MASK			(0x0003)
+#define U300_SYSCON_PMC1HR_APP_UART0_1_APP_GPIO			(0x0000)
+#define U300_SYSCON_PMC1HR_APP_UART0_1_UART0			(0x0001)
+#define U300_SYSCON_PMC1HR_APP_UART0_1_AAIF			(0x0003)
+/* Step one for killing the applications system 16bit (-/W) */
+#define U300_SYSCON_KA1R					(0x0080)
+#define U300_SYSCON_KA1R_MASK					(0xFFFF)
+#define U300_SYSCON_KA1R_VALUE					(0xFFFF)
+/* Step two for killing the application system 16bit (-/W) */
+#define U300_SYSCON_KA2R					(0x0084)
+#define U300_SYSCON_KA2R_MASK					(0xFFFF)
+#define U300_SYSCON_KA2R_VALUE					(0xFFFF)
+/* MMC/MSPRO frequency divider register 0 16bit (R/W) */
+#define U300_SYSCON_MMF0R					(0x90)
+#define U300_SYSCON_MMF0R_MASK					(0x00FF)
+#define U300_SYSCON_MMF0R_FREQ_0_HIGH_MASK			(0x00F0)
+#define U300_SYSCON_MMF0R_FREQ_0_LOW_MASK			(0x000F)
+/* MMC/MSPRO frequency divider register 1 16bit (R/W) */
+#define U300_SYSCON_MMF1R					(0x94)
+#define U300_SYSCON_MMF1R_MASK					(0x00FF)
+#define U300_SYSCON_MMF1R_FREQ_1_HIGH_MASK			(0x00F0)
+#define U300_SYSCON_MMF1R_FREQ_1_LOW_MASK			(0x000F)
+/* AAIF control register 16 bit (R/W) */
+#define U300_SYSCON_AAIFCR					(0x98)
+#define U300_SYSCON_AAIFCR_MASK					(0x0003)
+#define U300_SYSCON_AAIFCR_AASW_CTRL_MASK			(0x0003)
+#define U300_SYSCON_AAIFCR_AASW_CTRL_FUNCTIONAL			(0x0000)
+#define U300_SYSCON_AAIFCR_AASW_CTRL_MONITORING			(0x0001)
+#define U300_SYSCON_AAIFCR_AASW_CTRL_ACC_TO_EXT			(0x0002)
+#define U300_SYSCON_AAIFCR_AASW_CTRL_APP_TO_EXT			(0x0003)
+/* Clock control for the MMC and MSPRO blocks 16bit (R/W) */
+#define U300_SYSCON_MMCR					(0x9C)
+#define U300_SYSCON_MMCR_MASK					(0x0003)
+#define U300_SYSCON_MMCR_MMC_FB_CLK_SEL_ENABLE			(0x0002)
+#define U300_SYSCON_MMCR_MSPRO_FREQSEL_ENABLE			(0x0001)
+
+/* TODO: More SYSCON registers missing */
+#define U300_SYSCON_PMC3R					(0x10c)
+#define U300_SYSCON_PMC3R_APP_MISC_11_MASK			(0xc000)
+#define U300_SYSCON_PMC3R_APP_MISC_11_SPI			(0x4000)
+#define U300_SYSCON_PMC3R_APP_MISC_10_MASK			(0x3000)
+#define U300_SYSCON_PMC3R_APP_MISC_10_SPI			(0x1000)
+/* TODO: Missing other configs, I just added the SPI stuff */
+
+/* SYS_0_CLK_CONTROL first clock control 16bit (R/W) */
+#define U300_SYSCON_S0CCR					(0x120)
+#define U300_SYSCON_S0CCR_FIELD_MASK				(0x43FF)
+#define U300_SYSCON_S0CCR_CLOCK_REQ				(0x4000)
+#define U300_SYSCON_S0CCR_CLOCK_INV				(0x0200)
+#define U300_SYSCON_S0CCR_CLOCK_FREQ_MASK			(0x01E0)
+#define U300_SYSCON_S0CCR_CLOCK_SELECT_MASK			(0x001E)
+#define U300_SYSCON_S0CCR_CLOCK_ENABLE				(0x0001)
+#define U300_SYSCON_S0CCR_SEL_MCLK				(0x8<<1)
+#define U300_SYSCON_S0CCR_SEL_ACC_FSM_CLK			(0xA<<1)
+#define U300_SYSCON_S0CCR_SEL_PLL60_48_CLK			(0xC<<1)
+#define U300_SYSCON_S0CCR_SEL_PLL60_60_CLK			(0xD<<1)
+#define U300_SYSCON_S0CCR_SEL_ACC_PLL208_CLK			(0xE<<1)
+#define U300_SYSCON_S0CCR_SEL_APP_PLL13_CLK			(0x0<<1)
+#define U300_SYSCON_S0CCR_SEL_APP_FSM_CLK			(0x2<<1)
+#define U300_SYSCON_S0CCR_SEL_RTC_CLK				(0x4<<1)
+#define U300_SYSCON_S0CCR_SEL_APP_PLL208_CLK			(0x6<<1)
+/* SYS_1_CLK_CONTROL second clock control 16 bit (R/W) */
+#define U300_SYSCON_S1CCR					(0x124)
+#define U300_SYSCON_S1CCR_FIELD_MASK				(0x43FF)
+#define U300_SYSCON_S1CCR_CLOCK_REQ				(0x4000)
+#define U300_SYSCON_S1CCR_CLOCK_INV				(0x0200)
+#define U300_SYSCON_S1CCR_CLOCK_FREQ_MASK			(0x01E0)
+#define U300_SYSCON_S1CCR_CLOCK_SELECT_MASK			(0x001E)
+#define U300_SYSCON_S1CCR_CLOCK_ENABLE				(0x0001)
+#define U300_SYSCON_S1CCR_SEL_MCLK				(0x8<<1)
+#define U300_SYSCON_S1CCR_SEL_ACC_FSM_CLK			(0xA<<1)
+#define U300_SYSCON_S1CCR_SEL_PLL60_48_CLK			(0xC<<1)
+#define U300_SYSCON_S1CCR_SEL_PLL60_60_CLK			(0xD<<1)
+#define U300_SYSCON_S1CCR_SEL_ACC_PLL208_CLK			(0xE<<1)
+#define U300_SYSCON_S1CCR_SEL_ACC_PLL13_CLK			(0x0<<1)
+#define U300_SYSCON_S1CCR_SEL_APP_FSM_CLK			(0x2<<1)
+#define U300_SYSCON_S1CCR_SEL_RTC_CLK				(0x4<<1)
+#define U300_SYSCON_S1CCR_SEL_APP_PLL208_CLK			(0x6<<1)
+/* SYS_2_CLK_CONTROL third clock contol 16 bit (R/W) */
+#define U300_SYSCON_S2CCR					(0x128)
+#define U300_SYSCON_S2CCR_FIELD_MASK				(0xC3FF)
+#define U300_SYSCON_S2CCR_CLK_STEAL				(0x8000)
+#define U300_SYSCON_S2CCR_CLOCK_REQ				(0x4000)
+#define U300_SYSCON_S2CCR_CLOCK_INV				(0x0200)
+#define U300_SYSCON_S2CCR_CLOCK_FREQ_MASK			(0x01E0)
+#define U300_SYSCON_S2CCR_CLOCK_SELECT_MASK			(0x001E)
+#define U300_SYSCON_S2CCR_CLOCK_ENABLE				(0x0001)
+#define U300_SYSCON_S2CCR_SEL_MCLK				(0x8<<1)
+#define U300_SYSCON_S2CCR_SEL_ACC_FSM_CLK			(0xA<<1)
+#define U300_SYSCON_S2CCR_SEL_PLL60_48_CLK			(0xC<<1)
+#define U300_SYSCON_S2CCR_SEL_PLL60_60_CLK			(0xD<<1)
+#define U300_SYSCON_S2CCR_SEL_ACC_PLL208_CLK			(0xE<<1)
+#define U300_SYSCON_S2CCR_SEL_ACC_PLL13_CLK			(0x0<<1)
+#define U300_SYSCON_S2CCR_SEL_APP_FSM_CLK			(0x2<<1)
+#define U300_SYSCON_S2CCR_SEL_RTC_CLK				(0x4<<1)
+#define U300_SYSCON_S2CCR_SEL_APP_PLL208_CLK			(0x6<<1)
+/* SYS_MISC_CONTROL, miscellaneous 16bit (R/W) */
+#define U300_SYSCON_MCR						(0x12c)
+#define U300_SYSCON_MCR_FIELD_MASK				(0x00FF)
+#define U300_SYSCON_MCR_PMGEN_CR_4_MASK				(0x00C0)
+#define U300_SYSCON_MCR_PMGEN_CR_4_GPIO				(0x0000)
+#define U300_SYSCON_MCR_PMGEN_CR_4_SPI				(0x0040)
+#define U300_SYSCON_MCR_PMGEN_CR_4_AAIF				(0x00C0)
+#define U300_SYSCON_MCR_PMGEN_CR_2_MASK				(0x0030)
+#define U300_SYSCON_MCR_PMGEN_CR_2_GPIO				(0x0000)
+#define U300_SYSCON_MCR_PMGEN_CR_2_EMIF_1_STATIC		(0x0010)
+#define U300_SYSCON_MCR_PMGEN_CR_2_DSP				(0x0020)
+#define U300_SYSCON_MCR_PMGEN_CR_2_AAIF				(0x0030)
+#define U300_SYSCON_MCR_PMGEN_CR_0_MASK				(0x000C)
+#define U300_SYSCON_MCR_PMGEN_CR_0_EMIF_1_SDRAM_M1		(0x0000)
+#define U300_SYSCON_MCR_PMGEN_CR_0_EMIF_1_SDRAM_M2		(0x0004)
+#define U300_SYSCON_MCR_PMGEN_CR_0_EMIF_1_SDRAM_M3		(0x0008)
+#define U300_SYSCON_MCR_PMGEN_CR_0_EMIF_0_SDRAM			(0x000C)
+#define U300_SYSCON_MCR_PM1G_MODE_ENABLE			(0x0002)
+#define U300_SYSCON_MCR_PMTG5_MODE_ENABLE			(0x0001)
+/* Clock activity observability register 0 */
+#define U300_SYSCON_C0OAR					(0x140)
+#define U300_SYSCON_C0OAR_MASK					(0xFFFF)
+#define U300_SYSCON_C0OAR_VALUE					(0xFFFF)
+#define U300_SYSCON_C0OAR_BT_H_CLK				(0x8000)
+#define U300_SYSCON_C0OAR_ASPB_P_CLK				(0x4000)
+#define U300_SYSCON_C0OAR_APP_SEMI_H_CLK			(0x2000)
+#define U300_SYSCON_C0OAR_APP_SEMI_CLK				(0x1000)
+#define U300_SYSCON_C0OAR_APP_MMC_MSPRO_CLK			(0x0800)
+#define U300_SYSCON_C0OAR_APP_I2S1_CLK				(0x0400)
+#define U300_SYSCON_C0OAR_APP_I2S0_CLK				(0x0200)
+#define U300_SYSCON_C0OAR_APP_CPU_CLK				(0x0100)
+#define U300_SYSCON_C0OAR_APP_52_CLK				(0x0080)
+#define U300_SYSCON_C0OAR_APP_208_CLK				(0x0040)
+#define U300_SYSCON_C0OAR_APP_104_CLK				(0x0020)
+#define U300_SYSCON_C0OAR_APEX_CLK				(0x0010)
+#define U300_SYSCON_C0OAR_AHPB_M_H_CLK				(0x0008)
+#define U300_SYSCON_C0OAR_AHB_CLK				(0x0004)
+#define U300_SYSCON_C0OAR_AFPB_P_CLK				(0x0002)
+#define U300_SYSCON_C0OAR_AAIF_CLK				(0x0001)
+/* Clock activity observability register 1 */
+#define U300_SYSCON_C1OAR					(0x144)
+#define U300_SYSCON_C1OAR_MASK					(0x3FFE)
+#define U300_SYSCON_C1OAR_VALUE					(0x3FFE)
+#define U300_SYSCON_C1OAR_NFIF_F_CLK				(0x2000)
+#define U300_SYSCON_C1OAR_MSPRO_CLK				(0x1000)
+#define U300_SYSCON_C1OAR_MMC_P_CLK				(0x0800)
+#define U300_SYSCON_C1OAR_MMC_CLK				(0x0400)
+#define U300_SYSCON_C1OAR_KP_P_CLK				(0x0200)
+#define U300_SYSCON_C1OAR_I2C1_P_CLK				(0x0100)
+#define U300_SYSCON_C1OAR_I2C0_P_CLK				(0x0080)
+#define U300_SYSCON_C1OAR_GPIO_CLK				(0x0040)
+#define U300_SYSCON_C1OAR_EMIF_MPMC_CLK				(0x0020)
+#define U300_SYSCON_C1OAR_EMIF_H_CLK				(0x0010)
+#define U300_SYSCON_C1OAR_EVHIST_CLK				(0x0008)
+#define U300_SYSCON_C1OAR_PPM_CLK				(0x0004)
+#define U300_SYSCON_C1OAR_DMA_CLK				(0x0002)
+/* Clock activity observability register 2 */
+#define U300_SYSCON_C2OAR					(0x148)
+#define U300_SYSCON_C2OAR_MASK					(0x0FFF)
+#define U300_SYSCON_C2OAR_VALUE					(0x0FFF)
+#define U300_SYSCON_C2OAR_XGAM_CDI_CLK				(0x0800)
+#define U300_SYSCON_C2OAR_XGAM_CLK				(0x0400)
+#define U300_SYSCON_C2OAR_VC_H_CLK				(0x0200)
+#define U300_SYSCON_C2OAR_VC_CLK				(0x0100)
+#define U300_SYSCON_C2OAR_UA_P_CLK				(0x0080)
+#define U300_SYSCON_C2OAR_TMR1_CLK				(0x0040)
+#define U300_SYSCON_C2OAR_TMR0_CLK				(0x0020)
+#define U300_SYSCON_C2OAR_SPI_P_CLK				(0x0010)
+#define U300_SYSCON_C2OAR_PCM_I2S1_CORE_CLK			(0x0008)
+#define U300_SYSCON_C2OAR_PCM_I2S1_CLK				(0x0004)
+#define U300_SYSCON_C2OAR_PCM_I2S0_CORE_CLK			(0x0002)
+#define U300_SYSCON_C2OAR_PCM_I2S0_CLK				(0x0001)
+
+/* Chip ID register 16bit (R/-) */
+#define U300_SYSCON_CIDR					(0x400)
+/* Video IRQ clear 16bit (R/W) */
+#define U300_SYSCON_VICR					(0x404)
+#define U300_SYSCON_VICR_VIDEO1_IRQ_CLEAR_ENABLE		(0x0002)
+#define U300_SYSCON_VICR_VIDEO0_IRQ_CLEAR_ENABLE		(0x0001)
+/* SMCR */
+#define U300_SYSCON_SMCR					(0x4d0)
+#define U300_SYSCON_SMCR_FIELD_MASK				(0x000e)
+#define U300_SYSCON_SMCR_SEMI_SREFACK_IND			(0x0008)
+#define U300_SYSCON_SMCR_SEMI_SREFREQ_ENABLE			(0x0004)
+#define U300_SYSCON_SMCR_SEMI_EXT_BOOT_MODE_ENABLE		(0x0002)
+/* CPU_SW_DBGEN Software Debug Enable 16bit (R/W) */
+#define U300_SYSCON_CSDR					(0x4f0)
+#define U300_SYSCON_CSDR_SW_DEBUG_ENABLE			(0x0001)
+/* PRINT_CONTROL Print Control 16bit (R/-) */
+#define U300_SYSCON_PCR						(0x4f8)
+#define U300_SYSCON_PCR_SERV_IND				(0x0001)
+/* BOOT_CONTROL 16bit (R/-) */
+#define U300_SYSCON_BCR						(0x4fc)
+#define U300_SYSCON_BCR_ACC_CPU_SUBSYS_VINITHI_IND		(0x0400)
+#define U300_SYSCON_BCR_APP_CPU_SUBSYS_VINITHI_IND		(0x0200)
+#define U300_SYSCON_BCR_EXTRA_BOOT_OPTION_MASK			(0x01FC)
+#define U300_SYSCON_BCR_APP_BOOT_SERV_MASK			(0x0003)
+
+
+/* CPU clock defines */
+/**
+ * CPU high frequency in MHz
+ */
+#define SYSCON_CPU_CLOCK_HIGH    208
+/**
+ * CPU medium frequency in MHz
+ */
+#define SYSCON_CPU_CLOCK_MEDIUM  104
+/**
+ * CPU low frequency in MHz
+ */
+#define SYSCON_CPU_CLOCK_LOW      13
+
+/* EMIF clock defines */
+/**
+ * EMIF high frequency in MHz
+ */
+#define SYSCON_EMIF_CLOCK_HIGH   104
+/**
+ * EMIF medium frequency in MHz
+ */
+#define SYSCON_EMIF_CLOCK_MEDIUM 104
+/**
+ * EMIF low frequency in MHz
+ */
+#define SYSCON_EMIF_CLOCK_LOW     13
+
+/* AHB clock defines */
+/**
+ * AHB high frequency in MHz
+ */
+#define SYSCON_AHB_CLOCK_HIGH     52
+/**
+ * AHB medium frequency in MHz
+ */
+#define SYSCON_AHB_CLOCK_MEDIUM   52
+/**
+ * AHB low frequency in MHz
+ */
+#define SYSCON_AHB_CLOCK_LOW       7  /* i.e 13/2=6.5MHz */
+
+enum syscon_busmaster {
+  SYSCON_BM_DMAC,
+  SYSCON_BM_XGAM,
+  SYSCON_BM_VIDEO_ENC
+};
+
+/*
+ * Note that this array must match the order of the array "clk_reg"
+ * in syscon.c
+ */
+enum syscon_clk {
+  SYSCON_CLKCONTROL_SLOW_BRIDGE,
+  SYSCON_CLKCONTROL_UART,
+  SYSCON_CLKCONTROL_BTR,
+  SYSCON_CLKCONTROL_EH,
+  SYSCON_CLKCONTROL_GPIO,
+  SYSCON_CLKCONTROL_KEYPAD,
+  SYSCON_CLKCONTROL_APP_TIMER,
+  SYSCON_CLKCONTROL_ACC_TIMER,
+  SYSCON_CLKCONTROL_FAST_BRIDGE,
+  SYSCON_CLKCONTROL_I2C0,
+  SYSCON_CLKCONTROL_I2C1,
+  SYSCON_CLKCONTROL_I2S0,
+  SYSCON_CLKCONTROL_I2S1,
+  SYSCON_CLKCONTROL_MMC,
+  SYSCON_CLKCONTROL_SPI,
+  SYSCON_CLKCONTROL_I2S0_CORE,
+  SYSCON_CLKCONTROL_I2S1_CORE,
+  SYSCON_CLKCONTROL_AAIF,
+  SYSCON_CLKCONTROL_AHB,
+  SYSCON_CLKCONTROL_APEX,
+  SYSCON_CLKCONTROL_CPU,
+  SYSCON_CLKCONTROL_DMA,
+  SYSCON_CLKCONTROL_EMIF,
+  SYSCON_CLKCONTROL_NAND_IF,
+  SYSCON_CLKCONTROL_VIDEO_ENC,
+  SYSCON_CLKCONTROL_XGAM,
+  SYSCON_CLKCONTROL_SEMI,
+  SYSCON_CLKCONTROL_AHB_SUBSYS,
+  SYSCON_CLKCONTROL_MSPRO
+};
+
+enum syscon_sysclk_mode {
+  SYSCON_SYSCLK_DISABLED,
+  SYSCON_SYSCLK_M_CLK,
+  SYSCON_SYSCLK_ACC_FSM,
+  SYSCON_SYSCLK_PLL60_48,
+  SYSCON_SYSCLK_PLL60_60,
+  SYSCON_SYSCLK_ACC_PLL208,
+  SYSCON_SYSCLK_APP_PLL13,
+  SYSCON_SYSCLK_APP_FSM,
+  SYSCON_SYSCLK_RTC,
+  SYSCON_SYSCLK_APP_PLL208
+};
+
+enum syscon_sysclk_req {
+  SYSCON_SYSCLKREQ_DISABLED,
+  SYSCON_SYSCLKREQ_ACTIVE_LOW
+};
+
+enum syscon_clk_mode {
+  SYSCON_CLKMODE_OFF,
+  SYSCON_CLKMODE_DEFAULT,
+  SYSCON_CLKMODE_LOW,
+  SYSCON_CLKMODE_MEDIUM,
+  SYSCON_CLKMODE_HIGH,
+  SYSCON_CLKMODE_PERMANENT,
+  SYSCON_CLKMODE_ON,
+};
+
+enum syscon_call_mode {
+  SYSCON_CLKCALL_NOWAIT,
+  SYSCON_CLKCALL_WAIT,
+};
+
+int syscon_dc_on(bool keep_power_on);
+int syscon_set_busmaster_active_state(enum syscon_busmaster busmaster,
+				      bool active);
+bool syscon_get_busmaster_active_state(void);
+int syscon_set_sleep_mask(enum syscon_clk,
+			  bool sleep_ctrl);
+int syscon_config_sysclk(u32 sysclk,
+			 enum syscon_sysclk_mode sysclkmode,
+			 bool inverse,
+			 u32 divisor,
+			 enum syscon_sysclk_req sysclkreq);
+bool syscon_can_turn_off_semi_clock(void);
+
+/* This function is restricted to core.c */
+int syscon_request_normal_power(bool req);
+
+/* This function is restricted to be used by platform_speed.c */
+int syscon_speed_request(enum syscon_call_mode wait_mode,
+			 enum syscon_clk_mode req_clk_mode);
+#endif /* __MACH_SYSCON_H */
diff --git a/arch/arm/mach-u300/include/mach/system.h b/arch/arm/mach-u300/include/mach/system.h
new file mode 100644
index 000000000000..8daf13634ce0
--- /dev/null
+++ b/arch/arm/mach-u300/include/mach/system.h
@@ -0,0 +1,42 @@
+/*
+ *
+ * arch/arm/mach-u300/include/mach/system.h
+ *
+ *
+ * Copyright (C) 2007-2009 ST-Ericsson AB
+ * License terms: GNU General Public License (GPL) version 2
+ * System shutdown and reset functions.
+ * Author: Linus Walleij <linus.walleij@stericsson.com>
+ */
+#include <mach/hardware.h>
+#include <asm/io.h>
+#include <asm/hardware/vic.h>
+#include <asm/irq.h>
+
+/* Forward declare this function from the watchdog */
+void coh901327_watchdog_reset(void);
+
+static inline void arch_idle(void)
+{
+	cpu_do_idle();
+}
+
+static void arch_reset(char mode, const char *cmd)
+{
+	switch (mode) {
+	case 's':
+	case 'h':
+		printk(KERN_CRIT "RESET: shutting down/rebooting system\n");
+		/* Disable interrupts */
+		local_irq_disable();
+#ifdef CONFIG_COH901327_WATCHDOG
+		coh901327_watchdog_reset();
+#endif
+		break;
+	default:
+		/* Do nothing */
+		break;
+	}
+	/* Wait for system do die/reset. */
+	while (1);
+}
diff --git a/arch/arm/mach-u300/include/mach/timex.h b/arch/arm/mach-u300/include/mach/timex.h
new file mode 100644
index 000000000000..f233b72633f6
--- /dev/null
+++ b/arch/arm/mach-u300/include/mach/timex.h
@@ -0,0 +1,17 @@
+/*
+ *
+ * arch/arm/mach-u300/include/mach/timex.h
+ *
+ *
+ * Copyright (C) 2006-2009 ST-Ericsson AB
+ * License terms: GNU General Public License (GPL) version 2
+ * Platform tick rate definition.
+ * Author: Linus Walleij <linus.walleij@stericsson.com>
+ */
+#ifndef __MACH_TIMEX_H
+#define __MACH_TIMEX_H
+
+/* This is for the APP OS GP1 (General Purpose 1) timer */
+#define CLOCK_TICK_RATE		1000000
+
+#endif
diff --git a/arch/arm/mach-u300/include/mach/u300-regs.h b/arch/arm/mach-u300/include/mach/u300-regs.h
new file mode 100644
index 000000000000..88333dfb19fc
--- /dev/null
+++ b/arch/arm/mach-u300/include/mach/u300-regs.h
@@ -0,0 +1,187 @@
+/*
+ *
+ * arch/arm/mach-u300/include/mach/u300-regs.h
+ *
+ *
+ * Copyright (C) 2006-2009 ST-Ericsson AB
+ * License terms: GNU General Public License (GPL) version 2
+ * Basic register address definitions in physical memory and
+ * some block defintions for core devices like the timer.
+ * Author: Linus Walleij <linus.walleij@stericsson.com>
+ */
+
+#ifndef __MACH_U300_REGS_H
+#define __MACH_U300_REGS_H
+
+/*
+ * These are the large blocks of memory allocated for I/O.
+ * the defines are used for setting up the I/O memory mapping.
+ */
+
+/* NAND Flash CS0 */
+#define U300_NAND_CS0_PHYS_BASE		0x80000000
+#define U300_NAND_CS0_VIRT_BASE		0xff040000
+
+/* NFIF */
+#define U300_NAND_IF_PHYS_BASE		0x9f800000
+#define U300_NAND_IF_VIRT_BASE		0xff030000
+
+/* AHB Peripherals */
+#define U300_AHB_PER_PHYS_BASE		0xa0000000
+#define U300_AHB_PER_VIRT_BASE		0xff010000
+
+/* FAST Peripherals */
+#define U300_FAST_PER_PHYS_BASE		0xc0000000
+#define U300_FAST_PER_VIRT_BASE		0xff020000
+
+/* SLOW Peripherals */
+#define U300_SLOW_PER_PHYS_BASE		0xc0010000
+#define U300_SLOW_PER_VIRT_BASE		0xff000000
+
+/* Boot ROM */
+#define U300_BOOTROM_PHYS_BASE		0xffff0000
+#define U300_BOOTROM_VIRT_BASE		0xffff0000
+
+/* SEMI config base */
+#ifdef CONFIG_MACH_U300_BS335
+#define U300_SEMI_CONFIG_BASE		0x2FFE0000
+#else
+#define U300_SEMI_CONFIG_BASE		0x30000000
+#endif
+
+/*
+ * All the following peripherals are specified at their PHYSICAL address,
+ * so if you need to access them (in the kernel), you MUST use the macros
+ * defined in <asm/io.h> to map to the IO_ADDRESS_AHB() IO_ADDRESS_FAST()
+ * etc.
+ */
+
+/*
+ * AHB peripherals
+ */
+
+/* AHB Peripherals Bridge Controller */
+#define U300_AHB_BRIDGE_BASE		(U300_AHB_PER_PHYS_BASE+0x0000)
+
+/* Vectored Interrupt Controller 0, servicing 32 interrupts */
+#define U300_INTCON0_BASE		(U300_AHB_PER_PHYS_BASE+0x1000)
+#define U300_INTCON0_VBASE		(U300_AHB_PER_VIRT_BASE+0x1000)
+
+/* Vectored Interrupt Controller 1, servicing 32 interrupts */
+#define U300_INTCON1_BASE		(U300_AHB_PER_PHYS_BASE+0x2000)
+#define U300_INTCON1_VBASE		(U300_AHB_PER_VIRT_BASE+0x2000)
+
+/* Memory Stick Pro (MSPRO) controller */
+#define U300_MSPRO_BASE			(U300_AHB_PER_PHYS_BASE+0x3000)
+
+/* EMIF Configuration Area */
+#define U300_EMIF_CFG_BASE		(U300_AHB_PER_PHYS_BASE+0x4000)
+
+
+/*
+ * FAST peripherals
+ */
+
+/* FAST bridge control */
+#define U300_FAST_BRIDGE_BASE		(U300_FAST_PER_PHYS_BASE+0x0000)
+
+/* MMC/SD controller */
+#define U300_MMCSD_BASE			(U300_FAST_PER_PHYS_BASE+0x1000)
+
+/* PCM I2S0 controller */
+#define U300_PCM_I2S0_BASE		(U300_FAST_PER_PHYS_BASE+0x2000)
+
+/* PCM I2S1 controller */
+#define U300_PCM_I2S1_BASE		(U300_FAST_PER_PHYS_BASE+0x3000)
+
+/* I2C0 controller */
+#define U300_I2C0_BASE			(U300_FAST_PER_PHYS_BASE+0x4000)
+
+/* I2C1 controller */
+#define U300_I2C1_BASE			(U300_FAST_PER_PHYS_BASE+0x5000)
+
+/* SPI controller */
+#define U300_SPI_BASE			(U300_FAST_PER_PHYS_BASE+0x6000)
+
+#ifdef CONFIG_MACH_U300_BS335
+/* Fast UART1 on U335 only */
+#define U300_UART1_BASE			(U300_SLOW_PER_PHYS_BASE+0x7000)
+#endif
+
+/*
+ * SLOW peripherals
+ */
+
+/* SLOW bridge control */
+#define U300_SLOW_BRIDGE_BASE		(U300_SLOW_PER_PHYS_BASE)
+
+/* SYSCON */
+#define U300_SYSCON_BASE		(U300_SLOW_PER_PHYS_BASE+0x1000)
+#define U300_SYSCON_VBASE		(U300_SLOW_PER_VIRT_BASE+0x1000)
+
+/* Watchdog */
+#define U300_WDOG_BASE			(U300_SLOW_PER_PHYS_BASE+0x2000)
+
+/* UART0 */
+#define U300_UART0_BASE			(U300_SLOW_PER_PHYS_BASE+0x3000)
+
+/* APP side special timer */
+#define U300_TIMER_APP_BASE		(U300_SLOW_PER_PHYS_BASE+0x4000)
+#define U300_TIMER_APP_VBASE		(U300_SLOW_PER_VIRT_BASE+0x4000)
+
+/* Keypad */
+#define U300_KEYPAD_BASE		(U300_SLOW_PER_PHYS_BASE+0x5000)
+
+/* GPIO */
+#define U300_GPIO_BASE			(U300_SLOW_PER_PHYS_BASE+0x6000)
+
+/* RTC */
+#define U300_RTC_BASE			(U300_SLOW_PER_PHYS_BASE+0x7000)
+
+/* Bus tracer */
+#define U300_BUSTR_BASE			(U300_SLOW_PER_PHYS_BASE+0x8000)
+
+/* Event handler (hardware queue) */
+#define U300_EVHIST_BASE		(U300_SLOW_PER_PHYS_BASE+0x9000)
+
+/* Genric Timer */
+#define U300_TIMER_BASE			(U300_SLOW_PER_PHYS_BASE+0xa000)
+
+/* PPM */
+#define U300_PPM_BASE			(U300_SLOW_PER_PHYS_BASE+0xb000)
+
+
+/*
+ * REST peripherals
+ */
+
+/* ISP (image signal processor) is only available in U335 */
+#ifdef CONFIG_MACH_U300_BS335
+#define U300_ISP_BASE			(0xA0008000)
+#endif
+
+/* DMA Controller base */
+#define U300_DMAC_BASE			(0xC0020000)
+
+/* MSL Base */
+#define U300_MSL_BASE			(0xc0022000)
+
+/* APEX Base */
+#define U300_APEX_BASE			(0xc0030000)
+
+/* Video Encoder Base */
+#ifdef CONFIG_MACH_U300_BS335
+#define U300_VIDEOENC_BASE		(0xc0080000)
+#else
+#define U300_VIDEOENC_BASE		(0xc0040000)
+#endif
+
+/* XGAM Base */
+#define U300_XGAM_BASE			(0xd0000000)
+
+/*
+ * Virtual accessor macros for static devices
+ */
+
+
+#endif
diff --git a/arch/arm/mach-u300/include/mach/uncompress.h b/arch/arm/mach-u300/include/mach/uncompress.h
new file mode 100644
index 000000000000..29acb718acf7
--- /dev/null
+++ b/arch/arm/mach-u300/include/mach/uncompress.h
@@ -0,0 +1,46 @@
+/*
+ * arch/arm/mach-u300/include/mach/uncompress.h
+ *
+ * Copyright (C) 2003 ARM Limited
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+#define AMBA_UART_DR	(*(volatile unsigned char *)0xc0013000)
+#define AMBA_UART_LCRH	(*(volatile unsigned char *)0xc001302C)
+#define AMBA_UART_CR	(*(volatile unsigned char *)0xc0013030)
+#define AMBA_UART_FR	(*(volatile unsigned char *)0xc0013018)
+
+/*
+ * This does not append a newline
+ */
+static inline void putc(int c)
+{
+	while (AMBA_UART_FR & (1 << 5))
+		barrier();
+
+	AMBA_UART_DR = c;
+}
+
+static inline void flush(void)
+{
+	while (AMBA_UART_FR & (1 << 3))
+		barrier();
+}
+
+/*
+ * nothing to do
+ */
+#define arch_decomp_setup()
+#define arch_decomp_wdog()
diff --git a/arch/arm/mach-u300/include/mach/vmalloc.h b/arch/arm/mach-u300/include/mach/vmalloc.h
new file mode 100644
index 000000000000..b00c51a66fbe
--- /dev/null
+++ b/arch/arm/mach-u300/include/mach/vmalloc.h
@@ -0,0 +1,12 @@
+/*
+ *
+ * arch/arm/mach-u300/include/mach/vmalloc.h
+ *
+ *
+ * Copyright (C) 2006-2009 ST-Ericsson AB
+ * License terms: GNU General Public License (GPL) version 2
+ * Virtual memory allocations
+ * End must be above the I/O registers and on an even 2MiB boundary.
+ * Author: Linus Walleij <linus.walleij@stericsson.com>
+ */
+#define VMALLOC_END	0xfe800000
diff --git a/arch/arm/mach-u300/mmc.c b/arch/arm/mach-u300/mmc.c
new file mode 100644
index 000000000000..3138d3955c9e
--- /dev/null
+++ b/arch/arm/mach-u300/mmc.c
@@ -0,0 +1,216 @@
+/*
+ *
+ * arch/arm/mach-u300/mmc.c
+ *
+ *
+ * Copyright (C) 2009 ST-Ericsson AB
+ * License terms: GNU General Public License (GPL) version 2
+ *
+ * Author: Linus Walleij <linus.walleij@stericsson.com>
+ * Author: Johan Lundin <johan.lundin@stericsson.com>
+ * Author: Jonas Aaberg <jonas.aberg@stericsson.com>
+ */
+#include <linux/device.h>
+#include <linux/amba/bus.h>
+#include <linux/mmc/host.h>
+#include <linux/input.h>
+#include <linux/workqueue.h>
+#include <linux/delay.h>
+#include <linux/regulator/consumer.h>
+#include <linux/regulator/machine.h>
+#include <linux/gpio.h>
+
+#include <asm/mach/mmc.h>
+#include "mmc.h"
+
+struct mmci_card_event {
+	struct input_dev *mmc_input;
+	int mmc_inserted;
+	struct work_struct workq;
+	struct mmc_platform_data mmc0_plat_data;
+};
+
+static unsigned int mmc_status(struct device *dev)
+{
+	struct mmci_card_event *mmci_card = container_of(
+		dev->platform_data,
+		struct mmci_card_event, mmc0_plat_data);
+
+	return mmci_card->mmc_inserted;
+}
+
+/*
+ * Here follows a large chunk of code which will only be enabled if you
+ * have both the AB3100 chip mounted and the MMC subsystem activated.
+ */
+
+static u32 mmc_translate_vdd(struct device *dev, unsigned int voltage)
+{
+	int v;
+
+	/*
+	 * MMC Spec:
+	 * bit 7:	1.70 - 1.95V
+	 * bit 8 - 14:	2.0 - 2.6V
+	 * bit 15 - 23:	2.7 - 3.6V
+	 *
+	 * ab3100 voltages:
+	 * 000 - 2.85V
+	 * 001 - 2.75V
+	 * 010 - 1.8V
+	 * 011 - 1.5V
+	 */
+	switch (voltage) {
+	case 8:
+		v = 3;
+		break;
+	case 9:
+	case 10:
+	case 11:
+	case 12:
+	case 13:
+	case 14:
+	case 15:
+		v = 1;
+		break;
+	case 16:
+		v = 1;
+		break;
+	case 17:
+	case 18:
+	case 19:
+	case 20:
+	case 21:
+	case 22:
+	case 23:
+	case 24:
+		v = 0;
+		break;
+	default:
+		v = 0;
+		break;
+	}
+
+	/* PL180 voltage register bits */
+	return v << 2;
+}
+
+
+
+static int mmci_callback(void *data)
+{
+	struct mmci_card_event *mmci_card = data;
+
+	disable_irq_on_gpio_pin(U300_GPIO_PIN_MMC_CD);
+	schedule_work(&mmci_card->workq);
+
+	return 0;
+}
+
+
+static ssize_t gpio_show(struct device *dev, struct device_attribute *attr,
+		  char *buf)
+{
+	struct mmci_card_event *mmci_card = container_of(
+		dev->platform_data,
+		struct mmci_card_event, mmc0_plat_data);
+
+
+	return sprintf(buf, "%d\n", !mmci_card->mmc_inserted);
+}
+
+static DEVICE_ATTR(mmc_inserted, S_IRUGO, gpio_show, NULL);
+
+static void _mmci_callback(struct work_struct *ws)
+{
+
+	struct mmci_card_event *mmci_card = container_of(
+		ws,
+		struct mmci_card_event, workq);
+
+	mdelay(20);
+
+	mmci_card->mmc_inserted = !!gpio_get_value(U300_GPIO_PIN_MMC_CD);
+
+	input_report_switch(mmci_card->mmc_input, KEY_INSERT,
+			    !mmci_card->mmc_inserted);
+	input_sync(mmci_card->mmc_input);
+
+	pr_debug("MMC/SD card was %s\n",
+		 mmci_card->mmc_inserted ? "removed" : "inserted");
+
+	enable_irq_on_gpio_pin(U300_GPIO_PIN_MMC_CD, !mmci_card->mmc_inserted);
+}
+
+int __devinit mmc_init(struct amba_device *adev)
+{
+	struct mmci_card_event *mmci_card;
+	struct device *mmcsd_device = &adev->dev;
+	int ret = 0;
+
+	mmci_card = kzalloc(sizeof(struct mmci_card_event), GFP_KERNEL);
+	if (!mmci_card)
+		return -ENOMEM;
+
+	/* Nominally 2.85V on our platform */
+	mmci_card->mmc0_plat_data.ocr_mask = MMC_VDD_28_29;
+	mmci_card->mmc0_plat_data.translate_vdd = mmc_translate_vdd;
+	mmci_card->mmc0_plat_data.status = mmc_status;
+
+	mmcsd_device->platform_data = (void *) &mmci_card->mmc0_plat_data;
+
+	INIT_WORK(&mmci_card->workq, _mmci_callback);
+
+	ret = gpio_request(U300_GPIO_PIN_MMC_CD, "MMC card detection");
+	if (ret) {
+		printk(KERN_CRIT "Could not allocate MMC card detection " \
+		       "GPIO pin\n");
+		goto out;
+	}
+
+	ret = gpio_direction_input(U300_GPIO_PIN_MMC_CD);
+	if (ret) {
+		printk(KERN_CRIT "Invalid GPIO pin requested\n");
+		goto out;
+	}
+
+	ret = sysfs_create_file(&mmcsd_device->kobj,
+			       &dev_attr_mmc_inserted.attr);
+	if (ret)
+		goto out;
+
+	mmci_card->mmc_input = input_allocate_device();
+	if (!mmci_card->mmc_input) {
+		printk(KERN_CRIT "Could not allocate MMC input device\n");
+		return -ENOMEM;
+	}
+
+	mmci_card->mmc_input->name = "MMC insert notification";
+	mmci_card->mmc_input->id.bustype = BUS_HOST;
+	mmci_card->mmc_input->id.vendor = 0;
+	mmci_card->mmc_input->id.product = 0;
+	mmci_card->mmc_input->id.version = 0x0100;
+	mmci_card->mmc_input->dev.parent = mmcsd_device;
+	input_set_capability(mmci_card->mmc_input, EV_SW, KEY_INSERT);
+
+	/*
+	 * Since this must always be compiled into the kernel, this input
+	 * is never unregistered or free:ed.
+	 */
+	ret = input_register_device(mmci_card->mmc_input);
+	if (ret) {
+		input_free_device(mmci_card->mmc_input);
+		goto out;
+	}
+
+	input_set_drvdata(mmci_card->mmc_input, mmci_card);
+
+	ret = gpio_register_callback(U300_GPIO_PIN_MMC_CD, mmci_callback,
+				     mmci_card);
+
+	schedule_work(&mmci_card->workq);
+
+	printk(KERN_INFO "Registered MMC insert/remove notification\n");
+out:
+	return ret;
+}
diff --git a/arch/arm/mach-u300/mmc.h b/arch/arm/mach-u300/mmc.h
new file mode 100644
index 000000000000..92b85125abb3
--- /dev/null
+++ b/arch/arm/mach-u300/mmc.h
@@ -0,0 +1,18 @@
+/*
+ *
+ * arch/arm/mach-u300/mmc.h
+ *
+ *
+ * Copyright (C) 2009 ST-Ericsson AB
+ * License terms: GNU General Public License (GPL) version 2
+ *
+ * Author: Jonas Aaberg <jonas.aberg@stericsson.com>
+ */
+#ifndef MMC_H
+#define MMC_H
+
+#include <linux/amba/bus.h>
+
+int __devinit mmc_init(struct amba_device *adev);
+
+#endif
diff --git a/arch/arm/mach-u300/padmux.c b/arch/arm/mach-u300/padmux.c
new file mode 100644
index 000000000000..f3664564f086
--- /dev/null
+++ b/arch/arm/mach-u300/padmux.c
@@ -0,0 +1,58 @@
+/*
+ *
+ * arch/arm/mach-u300/padmux.c
+ *
+ *
+ * Copyright (C) 2009 ST-Ericsson AB
+ * License terms: GNU General Public License (GPL) version 2
+ * U300 PADMUX functions
+ * Author: Linus Walleij <linus.walleij@stericsson.com>
+ *
+ */
+#include <linux/io.h>
+#include <linux/err.h>
+#include <mach/u300-regs.h>
+#include <mach/syscon.h>
+
+#include "padmux.h"
+
+/* Set the PAD MUX to route the MMC reader correctly to GPIO0. */
+void pmx_set_mission_mode_mmc(void)
+{
+	u16 val;
+
+	val = readw(U300_SYSCON_VBASE + U300_SYSCON_PMC1LR);
+	val &= ~U300_SYSCON_PMC1LR_MMCSD_MASK;
+	writew(val, U300_SYSCON_VBASE + U300_SYSCON_PMC1LR);
+	val = readw(U300_SYSCON_VBASE + U300_SYSCON_PMC1HR);
+	val &= ~U300_SYSCON_PMC1HR_APP_GPIO_1_MASK;
+	val |= U300_SYSCON_PMC1HR_APP_GPIO_1_MMC;
+	writew(val, U300_SYSCON_VBASE + U300_SYSCON_PMC1HR);
+}
+
+void pmx_set_mission_mode_spi(void)
+{
+	u16 val;
+
+	/* Set up padmuxing so the SPI port and its chipselects are active */
+	val = readw(U300_SYSCON_VBASE + U300_SYSCON_PMC1HR);
+	/*
+	 * Activate the SPI port (disable the use of these pins for generic
+	 * GPIO, DSP, AAIF
+	 */
+	val &= ~U300_SYSCON_PMC1HR_APP_SPI_2_MASK;
+	val |= U300_SYSCON_PMC1HR_APP_SPI_2_SPI;
+	/*
+	 * Use GPIO pin SPI CS1 for CS1 actually (it can be used for other
+	 * things also)
+	 */
+	val &= ~U300_SYSCON_PMC1HR_APP_SPI_CS_1_MASK;
+	val |= U300_SYSCON_PMC1HR_APP_SPI_CS_1_SPI;
+	/*
+	 * Use GPIO pin SPI CS2 for CS2 actually (it can be used for other
+	 * things also)
+	 */
+	val &= ~U300_SYSCON_PMC1HR_APP_SPI_CS_2_MASK;
+	val |= U300_SYSCON_PMC1HR_APP_SPI_CS_2_SPI;
+	writew(val, U300_SYSCON_VBASE + U300_SYSCON_PMC1HR);
+}
diff --git a/arch/arm/mach-u300/padmux.h b/arch/arm/mach-u300/padmux.h
new file mode 100644
index 000000000000..8c2099ac5046
--- /dev/null
+++ b/arch/arm/mach-u300/padmux.h
@@ -0,0 +1,19 @@
+/*
+ *
+ * arch/arm/mach-u300/padmux.h
+ *
+ *
+ * Copyright (C) 2009 ST-Ericsson AB
+ * License terms: GNU General Public License (GPL) version 2
+ * U300 PADMUX API
+ * Author: Linus Walleij <linus.walleij@stericsson.com>
+ *
+ */
+
+#ifndef __MACH_U300_PADMUX_H
+#define __MACH_U300_PADMUX_H
+
+void pmx_set_mission_mode_mmc(void);
+void pmx_set_mission_mode_spi(void);
+
+#endif
diff --git a/arch/arm/mach-u300/timer.c b/arch/arm/mach-u300/timer.c
new file mode 100644
index 000000000000..cce53204880e
--- /dev/null
+++ b/arch/arm/mach-u300/timer.c
@@ -0,0 +1,422 @@
+/*
+ *
+ * arch/arm/mach-u300/timer.c
+ *
+ *
+ * Copyright (C) 2007-2009 ST-Ericsson AB
+ * License terms: GNU General Public License (GPL) version 2
+ * Timer COH 901 328, runs the OS timer interrupt.
+ * Author: Linus Walleij <linus.walleij@stericsson.com>
+ */
+#include <linux/interrupt.h>
+#include <linux/time.h>
+#include <linux/timex.h>
+#include <linux/clockchips.h>
+#include <linux/clocksource.h>
+#include <linux/types.h>
+#include <linux/io.h>
+
+#include <mach/hardware.h>
+
+/* Generic stuff */
+#include <asm/mach/map.h>
+#include <asm/mach/time.h>
+#include <asm/mach/irq.h>
+
+#include "clock.h"
+
+/*
+ * APP side special timer registers
+ * This timer contains four timers which can fire an interrupt each.
+ * OS (operating system) timer @ 32768 Hz
+ * DD (device driver) timer @ 1 kHz
+ * GP1 (general purpose 1) timer @ 1MHz
+ * GP2 (general purpose 2) timer @ 1MHz
+ */
+
+/* Reset OS Timer 32bit (-/W) */
+#define U300_TIMER_APP_ROST					(0x0000)
+#define U300_TIMER_APP_ROST_TIMER_RESET				(0x00000000)
+/* Enable OS Timer 32bit (-/W) */
+#define U300_TIMER_APP_EOST					(0x0004)
+#define U300_TIMER_APP_EOST_TIMER_ENABLE			(0x00000000)
+/* Disable OS Timer 32bit (-/W) */
+#define U300_TIMER_APP_DOST					(0x0008)
+#define U300_TIMER_APP_DOST_TIMER_DISABLE			(0x00000000)
+/* OS Timer Mode Register 32bit (-/W) */
+#define U300_TIMER_APP_SOSTM					(0x000c)
+#define U300_TIMER_APP_SOSTM_MODE_CONTINUOUS			(0x00000000)
+#define U300_TIMER_APP_SOSTM_MODE_ONE_SHOT			(0x00000001)
+/* OS Timer Status Register 32bit (R/-) */
+#define U300_TIMER_APP_OSTS					(0x0010)
+#define U300_TIMER_APP_OSTS_TIMER_STATE_MASK			(0x0000000F)
+#define U300_TIMER_APP_OSTS_TIMER_STATE_IDLE			(0x00000001)
+#define U300_TIMER_APP_OSTS_TIMER_STATE_ACTIVE			(0x00000002)
+#define U300_TIMER_APP_OSTS_ENABLE_IND				(0x00000010)
+#define U300_TIMER_APP_OSTS_MODE_MASK				(0x00000020)
+#define U300_TIMER_APP_OSTS_MODE_CONTINUOUS			(0x00000000)
+#define U300_TIMER_APP_OSTS_MODE_ONE_SHOT			(0x00000020)
+#define U300_TIMER_APP_OSTS_IRQ_ENABLED_IND			(0x00000040)
+#define U300_TIMER_APP_OSTS_IRQ_PENDING_IND			(0x00000080)
+/* OS Timer Current Count Register 32bit (R/-) */
+#define U300_TIMER_APP_OSTCC					(0x0014)
+/* OS Timer Terminal Count Register 32bit (R/W) */
+#define U300_TIMER_APP_OSTTC					(0x0018)
+/* OS Timer Interrupt Enable Register 32bit (-/W) */
+#define U300_TIMER_APP_OSTIE					(0x001c)
+#define U300_TIMER_APP_OSTIE_IRQ_DISABLE			(0x00000000)
+#define U300_TIMER_APP_OSTIE_IRQ_ENABLE				(0x00000001)
+/* OS Timer Interrupt Acknowledge Register 32bit (-/W) */
+#define U300_TIMER_APP_OSTIA					(0x0020)
+#define U300_TIMER_APP_OSTIA_IRQ_ACK				(0x00000080)
+
+/* Reset DD Timer 32bit (-/W) */
+#define U300_TIMER_APP_RDDT					(0x0040)
+#define U300_TIMER_APP_RDDT_TIMER_RESET				(0x00000000)
+/* Enable DD Timer 32bit (-/W) */
+#define U300_TIMER_APP_EDDT					(0x0044)
+#define U300_TIMER_APP_EDDT_TIMER_ENABLE			(0x00000000)
+/* Disable DD Timer 32bit (-/W) */
+#define U300_TIMER_APP_DDDT					(0x0048)
+#define U300_TIMER_APP_DDDT_TIMER_DISABLE			(0x00000000)
+/* DD Timer Mode Register 32bit (-/W) */
+#define U300_TIMER_APP_SDDTM					(0x004c)
+#define U300_TIMER_APP_SDDTM_MODE_CONTINUOUS			(0x00000000)
+#define U300_TIMER_APP_SDDTM_MODE_ONE_SHOT			(0x00000001)
+/* DD Timer Status Register 32bit (R/-) */
+#define U300_TIMER_APP_DDTS					(0x0050)
+#define U300_TIMER_APP_DDTS_TIMER_STATE_MASK			(0x0000000F)
+#define U300_TIMER_APP_DDTS_TIMER_STATE_IDLE			(0x00000001)
+#define U300_TIMER_APP_DDTS_TIMER_STATE_ACTIVE			(0x00000002)
+#define U300_TIMER_APP_DDTS_ENABLE_IND				(0x00000010)
+#define U300_TIMER_APP_DDTS_MODE_MASK				(0x00000020)
+#define U300_TIMER_APP_DDTS_MODE_CONTINUOUS			(0x00000000)
+#define U300_TIMER_APP_DDTS_MODE_ONE_SHOT			(0x00000020)
+#define U300_TIMER_APP_DDTS_IRQ_ENABLED_IND			(0x00000040)
+#define U300_TIMER_APP_DDTS_IRQ_PENDING_IND			(0x00000080)
+/* DD Timer Current Count Register 32bit (R/-) */
+#define U300_TIMER_APP_DDTCC					(0x0054)
+/* DD Timer Terminal Count Register 32bit (R/W) */
+#define U300_TIMER_APP_DDTTC					(0x0058)
+/* DD Timer Interrupt Enable Register 32bit (-/W) */
+#define U300_TIMER_APP_DDTIE					(0x005c)
+#define U300_TIMER_APP_DDTIE_IRQ_DISABLE			(0x00000000)
+#define U300_TIMER_APP_DDTIE_IRQ_ENABLE				(0x00000001)
+/* DD Timer Interrupt Acknowledge Register 32bit (-/W) */
+#define U300_TIMER_APP_DDTIA					(0x0060)
+#define U300_TIMER_APP_DDTIA_IRQ_ACK				(0x00000080)
+
+/* Reset GP1 Timer 32bit (-/W) */
+#define U300_TIMER_APP_RGPT1					(0x0080)
+#define U300_TIMER_APP_RGPT1_TIMER_RESET			(0x00000000)
+/* Enable GP1 Timer 32bit (-/W) */
+#define U300_TIMER_APP_EGPT1					(0x0084)
+#define U300_TIMER_APP_EGPT1_TIMER_ENABLE			(0x00000000)
+/* Disable GP1 Timer 32bit (-/W) */
+#define U300_TIMER_APP_DGPT1					(0x0088)
+#define U300_TIMER_APP_DGPT1_TIMER_DISABLE			(0x00000000)
+/* GP1 Timer Mode Register 32bit (-/W) */
+#define U300_TIMER_APP_SGPT1M					(0x008c)
+#define U300_TIMER_APP_SGPT1M_MODE_CONTINUOUS			(0x00000000)
+#define U300_TIMER_APP_SGPT1M_MODE_ONE_SHOT			(0x00000001)
+/* GP1 Timer Status Register 32bit (R/-) */
+#define U300_TIMER_APP_GPT1S					(0x0090)
+#define U300_TIMER_APP_GPT1S_TIMER_STATE_MASK			(0x0000000F)
+#define U300_TIMER_APP_GPT1S_TIMER_STATE_IDLE			(0x00000001)
+#define U300_TIMER_APP_GPT1S_TIMER_STATE_ACTIVE			(0x00000002)
+#define U300_TIMER_APP_GPT1S_ENABLE_IND				(0x00000010)
+#define U300_TIMER_APP_GPT1S_MODE_MASK				(0x00000020)
+#define U300_TIMER_APP_GPT1S_MODE_CONTINUOUS			(0x00000000)
+#define U300_TIMER_APP_GPT1S_MODE_ONE_SHOT			(0x00000020)
+#define U300_TIMER_APP_GPT1S_IRQ_ENABLED_IND			(0x00000040)
+#define U300_TIMER_APP_GPT1S_IRQ_PENDING_IND			(0x00000080)
+/* GP1 Timer Current Count Register 32bit (R/-) */
+#define U300_TIMER_APP_GPT1CC					(0x0094)
+/* GP1 Timer Terminal Count Register 32bit (R/W) */
+#define U300_TIMER_APP_GPT1TC					(0x0098)
+/* GP1 Timer Interrupt Enable Register 32bit (-/W) */
+#define U300_TIMER_APP_GPT1IE					(0x009c)
+#define U300_TIMER_APP_GPT1IE_IRQ_DISABLE			(0x00000000)
+#define U300_TIMER_APP_GPT1IE_IRQ_ENABLE			(0x00000001)
+/* GP1 Timer Interrupt Acknowledge Register 32bit (-/W) */
+#define U300_TIMER_APP_GPT1IA					(0x00a0)
+#define U300_TIMER_APP_GPT1IA_IRQ_ACK				(0x00000080)
+
+/* Reset GP2 Timer 32bit (-/W) */
+#define U300_TIMER_APP_RGPT2					(0x00c0)
+#define U300_TIMER_APP_RGPT2_TIMER_RESET			(0x00000000)
+/* Enable GP2 Timer 32bit (-/W) */
+#define U300_TIMER_APP_EGPT2					(0x00c4)
+#define U300_TIMER_APP_EGPT2_TIMER_ENABLE			(0x00000000)
+/* Disable GP2 Timer 32bit (-/W) */
+#define U300_TIMER_APP_DGPT2					(0x00c8)
+#define U300_TIMER_APP_DGPT2_TIMER_DISABLE			(0x00000000)
+/* GP2 Timer Mode Register 32bit (-/W) */
+#define U300_TIMER_APP_SGPT2M					(0x00cc)
+#define U300_TIMER_APP_SGPT2M_MODE_CONTINUOUS			(0x00000000)
+#define U300_TIMER_APP_SGPT2M_MODE_ONE_SHOT			(0x00000001)
+/* GP2 Timer Status Register 32bit (R/-) */
+#define U300_TIMER_APP_GPT2S					(0x00d0)
+#define U300_TIMER_APP_GPT2S_TIMER_STATE_MASK			(0x0000000F)
+#define U300_TIMER_APP_GPT2S_TIMER_STATE_IDLE			(0x00000001)
+#define U300_TIMER_APP_GPT2S_TIMER_STATE_ACTIVE			(0x00000002)
+#define U300_TIMER_APP_GPT2S_ENABLE_IND				(0x00000010)
+#define U300_TIMER_APP_GPT2S_MODE_MASK				(0x00000020)
+#define U300_TIMER_APP_GPT2S_MODE_CONTINUOUS			(0x00000000)
+#define U300_TIMER_APP_GPT2S_MODE_ONE_SHOT			(0x00000020)
+#define U300_TIMER_APP_GPT2S_IRQ_ENABLED_IND			(0x00000040)
+#define U300_TIMER_APP_GPT2S_IRQ_PENDING_IND			(0x00000080)
+/* GP2 Timer Current Count Register 32bit (R/-) */
+#define U300_TIMER_APP_GPT2CC					(0x00d4)
+/* GP2 Timer Terminal Count Register 32bit (R/W) */
+#define U300_TIMER_APP_GPT2TC					(0x00d8)
+/* GP2 Timer Interrupt Enable Register 32bit (-/W) */
+#define U300_TIMER_APP_GPT2IE					(0x00dc)
+#define U300_TIMER_APP_GPT2IE_IRQ_DISABLE			(0x00000000)
+#define U300_TIMER_APP_GPT2IE_IRQ_ENABLE			(0x00000001)
+/* GP2 Timer Interrupt Acknowledge Register 32bit (-/W) */
+#define U300_TIMER_APP_GPT2IA					(0x00e0)
+#define U300_TIMER_APP_GPT2IA_IRQ_ACK				(0x00000080)
+
+/* Clock request control register - all four timers */
+#define U300_TIMER_APP_CRC					(0x100)
+#define U300_TIMER_APP_CRC_CLOCK_REQUEST_ENABLE			(0x00000001)
+
+#define TICKS_PER_JIFFY ((CLOCK_TICK_RATE + (HZ/2)) / HZ)
+#define US_PER_TICK ((1000000 + (HZ/2)) / HZ)
+
+/*
+ * The u300_set_mode() function is always called first, if we
+ * have oneshot timer active, the oneshot scheduling function
+ * u300_set_next_event() is called immediately after.
+ */
+static void u300_set_mode(enum clock_event_mode mode,
+			  struct clock_event_device *evt)
+{
+	switch (mode) {
+	case CLOCK_EVT_MODE_PERIODIC:
+		/* Disable interrupts on GPT1 */
+		writel(U300_TIMER_APP_GPT1IE_IRQ_DISABLE,
+		       U300_TIMER_APP_VBASE + U300_TIMER_APP_GPT1IE);
+		/* Disable GP1 while we're reprogramming it. */
+		writel(U300_TIMER_APP_DGPT1_TIMER_DISABLE,
+		       U300_TIMER_APP_VBASE + U300_TIMER_APP_DGPT1);
+		/*
+		 * Set the periodic mode to a certain number of ticks per
+		 * jiffy.
+		 */
+		writel(TICKS_PER_JIFFY,
+		       U300_TIMER_APP_VBASE + U300_TIMER_APP_GPT1TC);
+		/*
+		 * Set continuous mode, so the timer keeps triggering
+		 * interrupts.
+		 */
+		writel(U300_TIMER_APP_SGPT1M_MODE_CONTINUOUS,
+		       U300_TIMER_APP_VBASE + U300_TIMER_APP_SGPT1M);
+		/* Enable timer interrupts */
+		writel(U300_TIMER_APP_GPT1IE_IRQ_ENABLE,
+		       U300_TIMER_APP_VBASE + U300_TIMER_APP_GPT1IE);
+		/* Then enable the OS timer again */
+		writel(U300_TIMER_APP_EGPT1_TIMER_ENABLE,
+		       U300_TIMER_APP_VBASE + U300_TIMER_APP_EGPT1);
+		break;
+	case CLOCK_EVT_MODE_ONESHOT:
+		/* Just break; here? */
+		/*
+		 * The actual event will be programmed by the next event hook,
+		 * so we just set a dummy value somewhere at the end of the
+		 * universe here.
+		 */
+		/* Disable interrupts on GPT1 */
+		writel(U300_TIMER_APP_GPT1IE_IRQ_DISABLE,
+		       U300_TIMER_APP_VBASE + U300_TIMER_APP_GPT1IE);
+		/* Disable GP1 while we're reprogramming it. */
+		writel(U300_TIMER_APP_DGPT1_TIMER_DISABLE,
+		       U300_TIMER_APP_VBASE + U300_TIMER_APP_DGPT1);
+		/*
+		 * Expire far in the future, u300_set_next_event() will be
+		 * called soon...
+		 */
+		writel(0xFFFFFFFF, U300_TIMER_APP_VBASE + U300_TIMER_APP_GPT1TC);
+		/* We run one shot per tick here! */
+		writel(U300_TIMER_APP_SGPT1M_MODE_ONE_SHOT,
+		       U300_TIMER_APP_VBASE + U300_TIMER_APP_SGPT1M);
+		/* Enable interrupts for this timer */
+		writel(U300_TIMER_APP_GPT1IE_IRQ_ENABLE,
+		       U300_TIMER_APP_VBASE + U300_TIMER_APP_GPT1IE);
+		/* Enable timer */
+		writel(U300_TIMER_APP_EGPT1_TIMER_ENABLE,
+		       U300_TIMER_APP_VBASE + U300_TIMER_APP_EGPT1);
+		break;
+	case CLOCK_EVT_MODE_UNUSED:
+	case CLOCK_EVT_MODE_SHUTDOWN:
+		/* Disable interrupts on GP1 */
+		writel(U300_TIMER_APP_GPT1IE_IRQ_DISABLE,
+		       U300_TIMER_APP_VBASE + U300_TIMER_APP_GPT1IE);
+		/* Disable GP1 */
+		writel(U300_TIMER_APP_DGPT1_TIMER_DISABLE,
+		       U300_TIMER_APP_VBASE + U300_TIMER_APP_DGPT1);
+		break;
+	case CLOCK_EVT_MODE_RESUME:
+		/* Ignore this call */
+		break;
+	}
+}
+
+/*
+ * The app timer in one shot mode obviously has to be reprogrammed
+ * in EXACTLY this sequence to work properly. Do NOT try to e.g. replace
+ * the interrupt disable + timer disable commands with a reset command,
+ * it will fail miserably. Apparently (and I found this the hard way)
+ * the timer is very sensitive to the instruction order, though you don't
+ * get that impression from the data sheet.
+ */
+static int u300_set_next_event(unsigned long cycles,
+			       struct clock_event_device *evt)
+
+{
+	/* Disable interrupts on GPT1 */
+	writel(U300_TIMER_APP_GPT1IE_IRQ_DISABLE,
+	       U300_TIMER_APP_VBASE + U300_TIMER_APP_GPT1IE);
+	/* Disable GP1 while we're reprogramming it. */
+	writel(U300_TIMER_APP_DGPT1_TIMER_DISABLE,
+	       U300_TIMER_APP_VBASE + U300_TIMER_APP_DGPT1);
+	/* Reset the General Purpose timer 1. */
+	writel(U300_TIMER_APP_RGPT1_TIMER_RESET,
+	       U300_TIMER_APP_VBASE + U300_TIMER_APP_RGPT1);
+	/* IRQ in n * cycles */
+	writel(cycles, U300_TIMER_APP_VBASE + U300_TIMER_APP_GPT1TC);
+	/*
+	 * We run one shot per tick here! (This is necessary to reconfigure,
+	 * the timer will tilt if you don't!)
+	 */
+	writel(U300_TIMER_APP_SGPT1M_MODE_ONE_SHOT,
+	       U300_TIMER_APP_VBASE + U300_TIMER_APP_SGPT1M);
+	/* Enable timer interrupts */
+	writel(U300_TIMER_APP_GPT1IE_IRQ_ENABLE,
+	       U300_TIMER_APP_VBASE + U300_TIMER_APP_GPT1IE);
+	/* Then enable the OS timer again */
+	writel(U300_TIMER_APP_EGPT1_TIMER_ENABLE,
+	       U300_TIMER_APP_VBASE + U300_TIMER_APP_EGPT1);
+	return 0;
+}
+
+
+/* Use general purpose timer 1 as clock event */
+static struct clock_event_device clockevent_u300_1mhz = {
+	.name           = "GPT1",
+	.rating         = 300, /* Reasonably fast and accurate clock event */
+	.features       = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
+	/* 22 calculated using the algorithm in arch/mips/kernel/time.c */
+	.shift          = 22,
+	.set_next_event = u300_set_next_event,
+	.set_mode       = u300_set_mode,
+};
+
+/* Clock event timer interrupt handler */
+static irqreturn_t u300_timer_interrupt(int irq, void *dev_id)
+{
+	struct clock_event_device *evt = &clockevent_u300_1mhz;
+	/* ACK/Clear timer IRQ for the APP GPT1 Timer */
+	writel(U300_TIMER_APP_GPT1IA_IRQ_ACK,
+		U300_TIMER_APP_VBASE + U300_TIMER_APP_GPT1IA);
+	evt->event_handler(evt);
+	return IRQ_HANDLED;
+}
+
+static struct irqaction u300_timer_irq = {
+	.name           = "U300 Timer Tick",
+	.flags          = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
+	.handler        = u300_timer_interrupt,
+};
+
+/* Use general purpose timer 2 as clock source */
+static cycle_t u300_get_cycles(struct clocksource *cs)
+{
+	return (cycles_t) readl(U300_TIMER_APP_VBASE + U300_TIMER_APP_GPT2CC);
+}
+
+static struct clocksource clocksource_u300_1mhz = {
+	.name           = "GPT2",
+	.rating         = 300, /* Reasonably fast and accurate clock source */
+	.read           = u300_get_cycles,
+	.mask           = CLOCKSOURCE_MASK(32), /* 32 bits */
+	/* 22 calculated using the algorithm in arch/mips/kernel/time.c */
+	.shift          = 22,
+	.flags          = CLOCK_SOURCE_IS_CONTINUOUS,
+};
+
+
+/*
+ * This sets up the system timers, clock source and clock event.
+ */
+static void __init u300_timer_init(void)
+{
+	u300_enable_timer_clock();
+	/*
+	 * Disable the "OS" and "DD" timers - these are designed for Symbian!
+	 * Example usage in cnh1601578 cpu subsystem pd_timer_app.c
+	 */
+	writel(U300_TIMER_APP_CRC_CLOCK_REQUEST_ENABLE,
+		U300_TIMER_APP_VBASE + U300_TIMER_APP_CRC);
+	writel(U300_TIMER_APP_ROST_TIMER_RESET,
+		U300_TIMER_APP_VBASE + U300_TIMER_APP_ROST);
+	writel(U300_TIMER_APP_DOST_TIMER_DISABLE,
+		U300_TIMER_APP_VBASE + U300_TIMER_APP_DOST);
+	writel(U300_TIMER_APP_RDDT_TIMER_RESET,
+		U300_TIMER_APP_VBASE + U300_TIMER_APP_RDDT);
+	writel(U300_TIMER_APP_DDDT_TIMER_DISABLE,
+		U300_TIMER_APP_VBASE + U300_TIMER_APP_DDDT);
+
+	/* Reset the General Purpose timer 1. */
+	writel(U300_TIMER_APP_RGPT1_TIMER_RESET,
+		U300_TIMER_APP_VBASE + U300_TIMER_APP_RGPT1);
+
+	/* Set up the IRQ handler */
+	setup_irq(IRQ_U300_TIMER_APP_GP1, &u300_timer_irq);
+
+	/* Reset the General Purpose timer 2 */
+	writel(U300_TIMER_APP_RGPT2_TIMER_RESET,
+		U300_TIMER_APP_VBASE + U300_TIMER_APP_RGPT2);
+	/* Set this timer to run around forever */
+	writel(0xFFFFFFFFU, U300_TIMER_APP_VBASE + U300_TIMER_APP_GPT2TC);
+	/* Set continuous mode so it wraps around */
+	writel(U300_TIMER_APP_SGPT2M_MODE_CONTINUOUS,
+	       U300_TIMER_APP_VBASE + U300_TIMER_APP_SGPT2M);
+	/* Disable timer interrupts */
+	writel(U300_TIMER_APP_GPT2IE_IRQ_DISABLE,
+		U300_TIMER_APP_VBASE + U300_TIMER_APP_GPT2IE);
+	/* Then enable the GP2 timer to use as a free running us counter */
+	writel(U300_TIMER_APP_EGPT2_TIMER_ENABLE,
+		U300_TIMER_APP_VBASE + U300_TIMER_APP_EGPT2);
+
+	/* This is a pure microsecond clock source */
+	clocksource_u300_1mhz.mult =
+		clocksource_khz2mult(1000, clocksource_u300_1mhz.shift);
+	if (clocksource_register(&clocksource_u300_1mhz))
+		printk(KERN_ERR "timer: failed to initialize clock "
+		       "source %s\n", clocksource_u300_1mhz.name);
+
+	clockevent_u300_1mhz.mult =
+		div_sc(1000000, NSEC_PER_SEC, clockevent_u300_1mhz.shift);
+	/* 32bit counter, so 32bits delta is max */
+	clockevent_u300_1mhz.max_delta_ns =
+		clockevent_delta2ns(0xffffffff, &clockevent_u300_1mhz);
+	/* This timer is slow enough to set for 1 cycle == 1 MHz */
+	clockevent_u300_1mhz.min_delta_ns =
+		clockevent_delta2ns(1, &clockevent_u300_1mhz);
+	clockevent_u300_1mhz.cpumask = cpumask_of(0);
+	clockevents_register_device(&clockevent_u300_1mhz);
+	/*
+	 * TODO: init and register the rest of the timers too, they can be
+	 * used by hrtimers!
+	 */
+}
+
+/*
+ * Very simple system timer that only register the clock event and
+ * clock source.
+ */
+struct sys_timer u300_timer = {
+	.init		= u300_timer_init,
+};
diff --git a/arch/arm/mach-u300/u300.c b/arch/arm/mach-u300/u300.c
new file mode 100644
index 000000000000..d2a0b8847a18
--- /dev/null
+++ b/arch/arm/mach-u300/u300.c
@@ -0,0 +1,55 @@
+/*
+ *
+ * arch/arm/mach-u300/u300.c
+ *
+ *
+ * Copyright (C) 2006-2009 ST-Ericsson AB
+ * License terms: GNU General Public License (GPL) version 2
+ * Platform machine definition.
+ * Author: Linus Walleij <linus.walleij@stericsson.com>
+ */
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/mm.h>
+#include <linux/sched.h>
+#include <linux/interrupt.h>
+#include <linux/ioport.h>
+#include <linux/platform_device.h>
+#include <linux/io.h>
+#include <mach/hardware.h>
+#include <mach/platform.h>
+#include <mach/memory.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+
+static void __init u300_init_machine(void)
+{
+	u300_init_devices();
+}
+
+#ifdef CONFIG_MACH_U300_BS2X
+#define MACH_U300_STRING "Ericsson AB U300 S25/S26/B25/B26 Prototype Board"
+#endif
+
+#ifdef CONFIG_MACH_U300_BS330
+#define MACH_U300_STRING "Ericsson AB U330 S330/B330 Prototype Board"
+#endif
+
+#ifdef CONFIG_MACH_U300_BS335
+#define MACH_U300_STRING "Ericsson AB U335 S335/B335 Prototype Board"
+#endif
+
+#ifdef CONFIG_MACH_U300_BS365
+#define MACH_U300_STRING "Ericsson AB U365 S365/B365 Prototype Board"
+#endif
+
+MACHINE_START(U300, MACH_U300_STRING)
+	/* Maintainer: Linus Walleij <linus.walleij@stericsson.com> */
+	.phys_io	= U300_AHB_PER_PHYS_BASE,
+	.io_pg_offst	= ((U300_AHB_PER_VIRT_BASE) >> 18) & 0xfffc,
+	.boot_params	= BOOT_PARAMS_OFFSET,
+	.map_io		= u300_map_io,
+	.init_irq	= u300_init_irq,
+	.timer		= &u300_timer,
+	.init_machine	= u300_init_machine,
+MACHINE_END