Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm

* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (407 commits)
  [ARM] pxafb: add support for overlay1 and overlay2 as framebuffer devices
  [ARM] pxafb: cleanup of the timing checking code
  [ARM] pxafb: cleanup of the color format manipulation code
  [ARM] pxafb: add palette format support for LCCR4_PAL_FOR_3
  [ARM] pxafb: add support for FBIOPAN_DISPLAY by dma braching
  [ARM] pxafb: allow pxafb_set_par() to start from arbitrary yoffset
  [ARM] pxafb: allow video memory size to be configurable
  [ARM] pxa: add document on the MFP design and how to use it
  [ARM] sa1100_wdt: don't assume CLOCK_TICK_RATE to be a constant
  [ARM] rtc-sa1100: don't assume CLOCK_TICK_RATE to be a constant
  [ARM] pxa/tavorevb: update board support (smartpanel LCD + keypad)
  [ARM] pxa: Update eseries defconfig
  [ARM] 5352/1: add w90p910-plat config file
  [ARM] s3c: S3C options should depend on PLAT_S3C
  [ARM] mv78xx0: implement GPIO and GPIO interrupt support
  [ARM] Kirkwood: implement GPIO and GPIO interrupt support
  [ARM] Orion: share GPIO IRQ handling code
  [ARM] Orion: share GPIO handling code
  [ARM] s3c: define __io using the typesafe version
  [ARM] S3C64XX: Ensure CPU_V6 is selected
  ...

35 files changed, 1588 insertions, 1710 deletions

diff --git a/arch/arm/plat-s3c24xx/Kconfig b/arch/arm/plat-s3c24xx/Kconfig
index 0af3872fb76..2c8a2f5d75f 100644
--- a/arch/arm/plat-s3c24xx/Kconfig
+++ b/arch/arm/plat-s3c24xx/Kconfig
@@ -6,8 +6,8 @@
 
 config PLAT_S3C24XX
 	bool
-	depends on ARCH_S3C2410
-	default y if ARCH_S3C2410
+	depends on ARCH_S3C2410 || ARCH_S3C24A0
+	default y
 	select NO_IOPORT
 	select ARCH_REQUIRE_GPIOLIB
 	help
@@ -15,6 +15,19 @@ config PLAT_S3C24XX
 
 if PLAT_S3C24XX
 
+# code that is shared between a number of the s3c24xx implementations
+
+config S3C2410_CLOCK
+	bool
+	help
+	  Clock code for the S3C2410, and similar processors which
+	  is currently includes the S3C2410, S3C2440, S3C2442.
+
+config S3C24XX_DCLK
+	bool
+	help
+	  Clock code for supporting DCLK/CLKOUT on S3C24XX architectures
+
 config CPU_S3C244X
 	bool
 	depends on ARCH_S3C2410 && (CPU_S3C2440 || CPU_S3C2442)
@@ -28,6 +41,27 @@ config S3C24XX_PWM
 	  Support for exporting the PWM timer blocks via the pwm device
 	  system.
 
+
+# gpio configurations
+
+config S3C24XX_GPIO_EXTRA
+	int
+	default 128 if S3C24XX_GPIO_EXTRA128
+	default 64 if S3C24XX_GPIO_EXTRA64
+	default 0
+
+config S3C24XX_GPIO_EXTRA64
+	bool
+	help
+	  Add an extra 64 gpio numbers to the available GPIO pool. This is
+	  available for boards that need extra gpios for external devices.
+
+config S3C24XX_GPIO_EXTRA128
+	bool
+	help
+	  Add an extra 128 gpio numbers to the available GPIO pool. This is
+	  available for boards that need extra gpios for external devices.
+
 config PM_SIMTEC
 	bool
 	help
@@ -49,6 +83,29 @@ config S3C2410_DMA_DEBUG
 	  Enable debugging output for the DMA code. This option sends info
 	  to the kernel log, at priority KERN_DEBUG.
 
+config S3C24XX_ADC
+	bool "ADC common driver support"
+	help
+	  Core support for the ADC block found in the S3C24XX SoC systems
+	  for drivers such as the touchscreen and hwmon to use to share
+	  this resource.
+
+# SPI default pin configuration code
+
+config S3C24XX_SPI_BUS0_GPE11_GPE12_GPE13
+	bool
+	help
+	  SPI GPIO configuration code for BUS0 when connected to
+	  GPE11, GPE12 and GPE13.
+
+config S3C24XX_SPI_BUS1_GPG5_GPG6_GPG7
+	bool
+	help
+	  SPI GPIO configuration code for BUS 1 when connected to
+	  GPG5, GPG6 and GPG7.
+
+# common code for s3c24xx based machines, such as the SMDKs.
+
 config MACH_SMDK
 	bool
 	help
diff --git a/arch/arm/plat-s3c24xx/Makefile b/arch/arm/plat-s3c24xx/Makefile
index d82767b2b83..1e0767b266b 100644
--- a/arch/arm/plat-s3c24xx/Makefile
+++ b/arch/arm/plat-s3c24xx/Makefile
@@ -17,9 +17,8 @@ obj-y				+= irq.o
 obj-y				+= devs.o
 obj-y				+= gpio.o
 obj-y				+= gpiolib.o
-obj-y				+= time.o
 obj-y				+= clock.o
-obj-y				+= pwm-clock.o
+obj-$(CONFIG_S3C24XX_DCLK)	+= clock-dclk.o
 
 # Architecture dependant builds
 
@@ -30,5 +29,18 @@ obj-$(CONFIG_PM_SIMTEC)		+= pm-simtec.o
 obj-$(CONFIG_PM)		+= pm.o
 obj-$(CONFIG_PM)		+= sleep.o
 obj-$(CONFIG_HAVE_PWM)		+= pwm.o
+obj-$(CONFIG_S3C2410_CLOCK)	+= s3c2410-clock.o
 obj-$(CONFIG_S3C2410_DMA)	+= dma.o
+obj-$(CONFIG_S3C24XX_ADC)	+= adc.o
+
+# device specific setup and/or initialisation
+obj-$(CONFIG_ARCH_S3C2410)	+= setup-i2c.o
+
+# SPI gpio central GPIO functions
+
+obj-$(CONFIG_S3C24XX_SPI_BUS0_GPE11_GPE12_GPE13) += spi-bus0-gpe11_12_13.o
+obj-$(CONFIG_S3C24XX_SPI_BUS1_GPG5_GPG6_GPG7)    += spi-bus1-gpg5_6_7.o
+
+# machine common support
+
 obj-$(CONFIG_MACH_SMDK)		+= common-smdk.o
diff --git a/arch/arm/plat-s3c24xx/adc.c b/arch/arm/plat-s3c24xx/adc.c
new file mode 100644
index 00000000000..9a5c767e0a4
--- /dev/null
+++ b/arch/arm/plat-s3c24xx/adc.c
@@ -0,0 +1,372 @@
+/* arch/arm/plat-s3c24xx/adc.c
+ *
+ * Copyright (c) 2008 Simtec Electronics
+ *	http://armlinux.simtec.co.uk/
+ *	Ben Dooks <ben@simtec.co.uk>, <ben-linux@fluff.org>
+ *
+ * S3C24XX ADC device core
+ *
+ * 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.
+*/
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/list.h>
+#include <linux/err.h>
+#include <linux/clk.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+
+#include <plat/regs-adc.h>
+#include <plat/adc.h>
+
+/* This driver is designed to control the usage of the ADC block between
+ * the touchscreen and any other drivers that may need to use it, such as
+ * the hwmon driver.
+ *
+ * Priority will be given to the touchscreen driver, but as this itself is
+ * rate limited it should not starve other requests which are processed in
+ * order that they are received.
+ *
+ * Each user registers to get a client block which uniquely identifies it
+ * and stores information such as the necessary functions to callback when
+ * action is required.
+ */
+
+struct s3c_adc_client {
+	struct platform_device	*pdev;
+	struct list_head	 pend;
+
+	unsigned int		 nr_samples;
+	unsigned char		 is_ts;
+	unsigned char		 channel;
+
+	void	(*select_cb)(unsigned selected);
+	void	(*convert_cb)(unsigned val1, unsigned val2);
+};
+
+struct adc_device {
+	struct platform_device	*pdev;
+	struct platform_device	*owner;
+	struct clk		*clk;
+	struct s3c_adc_client	*cur;
+	struct s3c_adc_client	*ts_pend;
+	void __iomem		*regs;
+
+	unsigned int		 prescale;
+
+	int			 irq;
+};
+
+static struct adc_device *adc_dev;
+
+static LIST_HEAD(adc_pending);
+
+#define adc_dbg(_adc, msg...) dev_dbg(&(_adc)->pdev->dev, msg)
+
+static inline void s3c_adc_convert(struct adc_device *adc)
+{
+	unsigned con = readl(adc->regs + S3C2410_ADCCON);
+
+	con |= S3C2410_ADCCON_ENABLE_START;
+	writel(con, adc->regs + S3C2410_ADCCON);
+}
+
+static inline void s3c_adc_select(struct adc_device *adc,
+				  struct s3c_adc_client *client)
+{
+	unsigned con = readl(adc->regs + S3C2410_ADCCON);
+
+	client->select_cb(1);
+
+	con &= ~S3C2410_ADCCON_MUXMASK;
+	con &= ~S3C2410_ADCCON_STDBM;
+	con &= ~S3C2410_ADCCON_STARTMASK;
+
+	if (!client->is_ts)
+		con |= S3C2410_ADCCON_SELMUX(client->channel);
+
+	writel(con, adc->regs + S3C2410_ADCCON);
+}
+
+static void s3c_adc_dbgshow(struct adc_device *adc)
+{
+	adc_dbg(adc, "CON=%08x, TSC=%08x, DLY=%08x\n",
+		readl(adc->regs + S3C2410_ADCCON),
+		readl(adc->regs + S3C2410_ADCTSC),
+		readl(adc->regs + S3C2410_ADCDLY));
+}
+
+void s3c_adc_try(struct adc_device *adc)
+{
+	struct s3c_adc_client *next = adc->ts_pend;
+
+	if (!next && !list_empty(&adc_pending)) {
+		next = list_first_entry(&adc_pending,
+					struct s3c_adc_client, pend);
+		list_del(&next->pend);
+	} else
+		adc->ts_pend = NULL;
+
+	if (next) {
+		adc_dbg(adc, "new client is %p\n", next);
+		adc->cur = next;
+		s3c_adc_select(adc, next);
+		s3c_adc_convert(adc);
+		s3c_adc_dbgshow(adc);
+	}
+}
+
+int s3c_adc_start(struct s3c_adc_client *client,
+		  unsigned int channel, unsigned int nr_samples)
+{
+	struct adc_device *adc = adc_dev;
+	unsigned long flags;
+
+	if (!adc) {
+		printk(KERN_ERR "%s: failed to find adc\n", __func__);
+		return -EINVAL;
+	}
+
+	if (client->is_ts && adc->ts_pend)
+		return -EAGAIN;
+
+	local_irq_save(flags);
+
+	client->channel = channel;
+	client->nr_samples = nr_samples;
+
+	if (client->is_ts)
+		adc->ts_pend = client;
+	else
+		list_add_tail(&client->pend, &adc_pending);
+
+	if (!adc->cur)
+		s3c_adc_try(adc);
+	local_irq_restore(flags);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(s3c_adc_start);
+
+static void s3c_adc_default_select(unsigned select)
+{
+}
+
+struct s3c_adc_client *s3c_adc_register(struct platform_device *pdev,
+					void (*select)(unsigned int selected),
+					void (*conv)(unsigned d0, unsigned d1),
+					unsigned int is_ts)
+{
+	struct s3c_adc_client *client;
+
+	WARN_ON(!pdev);
+	WARN_ON(!conv);
+
+	if (!select)
+		select = s3c_adc_default_select;
+
+	if (!conv || !pdev)
+		return ERR_PTR(-EINVAL);
+
+	client = kzalloc(sizeof(struct s3c_adc_client), GFP_KERNEL);
+	if (!client) {
+		dev_err(&pdev->dev, "no memory for adc client\n");
+		return ERR_PTR(-ENOMEM);
+	}
+
+	client->pdev = pdev;
+	client->is_ts = is_ts;
+	client->select_cb = select;
+	client->convert_cb = conv;
+
+	return client;
+}
+EXPORT_SYMBOL_GPL(s3c_adc_register);
+
+void s3c_adc_release(struct s3c_adc_client *client)
+{
+	/* We should really check that nothing is in progress. */
+	kfree(client);
+}
+EXPORT_SYMBOL_GPL(s3c_adc_release);
+
+static irqreturn_t s3c_adc_irq(int irq, void *pw)
+{
+	struct adc_device *adc = pw;
+	struct s3c_adc_client *client = adc->cur;
+	unsigned long flags;
+	unsigned data0, data1;
+
+	if (!client) {
+		dev_warn(&adc->pdev->dev, "%s: no adc pending\n", __func__);
+		return IRQ_HANDLED;
+	}
+
+	data0 = readl(adc->regs + S3C2410_ADCDAT0);
+	data1 = readl(adc->regs + S3C2410_ADCDAT1);
+	adc_dbg(adc, "read %d: 0x%04x, 0x%04x\n", client->nr_samples, data0, data1);
+
+	(client->convert_cb)(data0 & 0x3ff, data1 & 0x3ff);
+
+	if (--client->nr_samples > 0) {
+		/* fire another conversion for this */
+
+		client->select_cb(1);
+		s3c_adc_convert(adc);
+	} else {
+		local_irq_save(flags);
+		(client->select_cb)(0);
+		adc->cur = NULL;
+
+		s3c_adc_try(adc);
+		local_irq_restore(flags);
+	}
+
+	return IRQ_HANDLED;
+}
+
+static int s3c_adc_probe(struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+	struct adc_device *adc;
+	struct resource *regs;
+	int ret;
+
+	adc = kzalloc(sizeof(struct adc_device), GFP_KERNEL);
+	if (adc == NULL) {
+		dev_err(dev, "failed to allocate adc_device\n");
+		return -ENOMEM;
+	}
+
+	adc->pdev = pdev;
+	adc->prescale = S3C2410_ADCCON_PRSCVL(49);
+
+	adc->irq = platform_get_irq(pdev, 1);
+	if (adc->irq <= 0) {
+		dev_err(dev, "failed to get adc irq\n");
+		ret = -ENOENT;
+		goto err_alloc;
+	}
+
+	ret = request_irq(adc->irq, s3c_adc_irq, 0, dev_name(dev), adc);
+	if (ret < 0) {
+		dev_err(dev, "failed to attach adc irq\n");
+		goto err_alloc;
+	}
+
+	adc->clk = clk_get(dev, "adc");
+	if (IS_ERR(adc->clk)) {
+		dev_err(dev, "failed to get adc clock\n");
+		ret = PTR_ERR(adc->clk);
+		goto err_irq;
+	}
+
+	regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!regs) {
+		dev_err(dev, "failed to find registers\n");
+		ret = -ENXIO;
+		goto err_clk;
+	}
+
+	adc->regs = ioremap(regs->start, resource_size(regs));
+	if (!adc->regs) {
+		dev_err(dev, "failed to map registers\n");
+		ret = -ENXIO;
+		goto err_clk;
+	}
+
+	clk_enable(adc->clk);
+
+	writel(adc->prescale | S3C2410_ADCCON_PRSCEN,
+	       adc->regs + S3C2410_ADCCON);
+
+	dev_info(dev, "attached adc driver\n");
+
+	platform_set_drvdata(pdev, adc);
+	adc_dev = adc;
+
+	return 0;
+
+ err_clk:
+	clk_put(adc->clk);
+
+ err_irq:
+	free_irq(adc->irq, adc);
+
+ err_alloc:
+	kfree(adc);
+	return ret;
+}
+
+static int s3c_adc_remove(struct platform_device *pdev)
+{
+	struct adc_device *adc = platform_get_drvdata(pdev);
+
+	iounmap(adc->regs);
+	free_irq(adc->irq, adc);
+	clk_disable(adc->clk);
+	clk_put(adc->clk);
+	kfree(adc);
+
+	return 0;
+}
+
+#ifdef CONFIG_PM
+static int s3c_adc_suspend(struct platform_device *pdev, pm_message_t state)
+{
+	struct adc_device *adc = platform_get_drvdata(pdev);
+	u32 con;
+
+	con = readl(adc->regs + S3C2410_ADCCON);
+	con |= S3C2410_ADCCON_STDBM;
+	writel(con, adc->regs + S3C2410_ADCCON);
+
+	clk_disable(adc->clk);
+
+	return 0;
+}
+
+static int s3c_adc_resume(struct platform_device *pdev)
+{
+	struct adc_device *adc = platform_get_drvdata(pdev);
+
+	clk_enable(adc->clk);
+
+	writel(adc->prescale | S3C2410_ADCCON_PRSCEN,
+	       adc->regs + S3C2410_ADCCON);
+
+	return 0;
+}
+
+#else
+#define s3c_adc_suspend NULL
+#define s3c_adc_resume NULL
+#endif
+
+static struct platform_driver s3c_adc_driver = {
+	.driver		= {
+		.name	= "s3c24xx-adc",
+		.owner	= THIS_MODULE,
+	},
+	.probe		= s3c_adc_probe,
+	.remove		= __devexit_p(s3c_adc_remove),
+	.suspend	= s3c_adc_suspend,
+	.resume		= s3c_adc_resume,
+};
+
+static int __init adc_init(void)
+{
+	int ret;
+
+	ret = platform_driver_register(&s3c_adc_driver);
+	if (ret)
+		printk(KERN_ERR "%s: failed to add adc driver\n", __func__);
+
+	return ret;
+}
+
+arch_initcall(adc_init);
diff --git a/arch/arm/plat-s3c24xx/clock-dclk.c b/arch/arm/plat-s3c24xx/clock-dclk.c
new file mode 100644
index 00000000000..5b75a797b5a
--- /dev/null
+++ b/arch/arm/plat-s3c24xx/clock-dclk.c
@@ -0,0 +1,194 @@
+/* linux/arch/arm/plat-s3c24xx/clock-dclk.c
+ *
+ * Copyright (c) 2004,2008 Simtec Electronics
+ *	Ben Dooks <ben@simtec.co.uk>
+ *	http://armlinux.simtec.co.uk/
+ *
+ * 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.
+ *
+ * S3C24XX - definitions for DCLK and CLKOUT registers
+ */
+
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+
+#include <mach/regs-clock.h>
+#include <mach/regs-gpio.h>
+
+#include <plat/clock.h>
+#include <plat/cpu.h>
+
+/* clocks that could be registered by external code */
+
+static int s3c24xx_dclk_enable(struct clk *clk, int enable)
+{
+	unsigned long dclkcon = __raw_readl(S3C24XX_DCLKCON);
+
+	if (enable)
+		dclkcon |= clk->ctrlbit;
+	else
+		dclkcon &= ~clk->ctrlbit;
+
+	__raw_writel(dclkcon, S3C24XX_DCLKCON);
+
+	return 0;
+}
+
+static int s3c24xx_dclk_setparent(struct clk *clk, struct clk *parent)
+{
+	unsigned long dclkcon;
+	unsigned int uclk;
+
+	if (parent == &clk_upll)
+		uclk = 1;
+	else if (parent == &clk_p)
+		uclk = 0;
+	else
+		return -EINVAL;
+
+	clk->parent = parent;
+
+	dclkcon = __raw_readl(S3C24XX_DCLKCON);
+
+	if (clk->ctrlbit == S3C2410_DCLKCON_DCLK0EN) {
+		if (uclk)
+			dclkcon |= S3C2410_DCLKCON_DCLK0_UCLK;
+		else
+			dclkcon &= ~S3C2410_DCLKCON_DCLK0_UCLK;
+	} else {
+		if (uclk)
+			dclkcon |= S3C2410_DCLKCON_DCLK1_UCLK;
+		else
+			dclkcon &= ~S3C2410_DCLKCON_DCLK1_UCLK;
+	}
+
+	__raw_writel(dclkcon, S3C24XX_DCLKCON);
+
+	return 0;
+}
+static unsigned long s3c24xx_calc_div(struct clk *clk, unsigned long rate)
+{
+	unsigned long div;
+
+	if ((rate == 0) || !clk->parent)
+		return 0;
+
+	div = clk_get_rate(clk->parent) / rate;
+	if (div < 2)
+		div = 2;
+	else if (div > 16)
+		div = 16;
+
+	return div;
+}
+
+static unsigned long s3c24xx_round_dclk_rate(struct clk *clk,
+	unsigned long rate)
+{
+	unsigned long div = s3c24xx_calc_div(clk, rate);
+
+	if (div == 0)
+		return 0;
+
+	return clk_get_rate(clk->parent) / div;
+}
+
+static int s3c24xx_set_dclk_rate(struct clk *clk, unsigned long rate)
+{
+	unsigned long mask, data, div = s3c24xx_calc_div(clk, rate);
+
+	if (div == 0)
+		return -EINVAL;
+
+	if (clk == &s3c24xx_dclk0) {
+		mask = S3C2410_DCLKCON_DCLK0_DIV_MASK |
+			S3C2410_DCLKCON_DCLK0_CMP_MASK;
+		data = S3C2410_DCLKCON_DCLK0_DIV(div) |
+			S3C2410_DCLKCON_DCLK0_CMP((div + 1) / 2);
+	} else if (clk == &s3c24xx_dclk1) {
+		mask = S3C2410_DCLKCON_DCLK1_DIV_MASK |
+			S3C2410_DCLKCON_DCLK1_CMP_MASK;
+		data = S3C2410_DCLKCON_DCLK1_DIV(div) |
+			S3C2410_DCLKCON_DCLK1_CMP((div + 1) / 2);
+	} else
+		return -EINVAL;
+
+	clk->rate = clk_get_rate(clk->parent) / div;
+	__raw_writel(((__raw_readl(S3C24XX_DCLKCON) & ~mask) | data),
+		S3C24XX_DCLKCON);
+	return clk->rate;
+}
+static int s3c24xx_clkout_setparent(struct clk *clk, struct clk *parent)
+{
+	unsigned long mask;
+	unsigned long source;
+
+	/* calculate the MISCCR setting for the clock */
+
+	if (parent == &clk_xtal)
+		source = S3C2410_MISCCR_CLK0_MPLL;
+	else if (parent == &clk_upll)
+		source = S3C2410_MISCCR_CLK0_UPLL;
+	else if (parent == &clk_f)
+		source = S3C2410_MISCCR_CLK0_FCLK;
+	else if (parent == &clk_h)
+		source = S3C2410_MISCCR_CLK0_HCLK;
+	else if (parent == &clk_p)
+		source = S3C2410_MISCCR_CLK0_PCLK;
+	else if (clk == &s3c24xx_clkout0 && parent == &s3c24xx_dclk0)
+		source = S3C2410_MISCCR_CLK0_DCLK0;
+	else if (clk == &s3c24xx_clkout1 && parent == &s3c24xx_dclk1)
+		source = S3C2410_MISCCR_CLK0_DCLK0;
+	else
+		return -EINVAL;
+
+	clk->parent = parent;
+
+	if (clk == &s3c24xx_clkout0)
+		mask = S3C2410_MISCCR_CLK0_MASK;
+	else {
+		source <<= 4;
+		mask = S3C2410_MISCCR_CLK1_MASK;
+	}
+
+	s3c2410_modify_misccr(mask, source);
+	return 0;
+}
+
+/* external clock definitions */
+
+struct clk s3c24xx_dclk0 = {
+	.name		= "dclk0",
+	.id		= -1,
+	.ctrlbit	= S3C2410_DCLKCON_DCLK0EN,
+	.enable	        = s3c24xx_dclk_enable,
+	.set_parent	= s3c24xx_dclk_setparent,
+	.set_rate	= s3c24xx_set_dclk_rate,
+	.round_rate	= s3c24xx_round_dclk_rate,
+};
+
+struct clk s3c24xx_dclk1 = {
+	.name		= "dclk1",
+	.id		= -1,
+	.ctrlbit	= S3C2410_DCLKCON_DCLK1EN,
+	.enable		= s3c24xx_dclk_enable,
+	.set_parent	= s3c24xx_dclk_setparent,
+	.set_rate	= s3c24xx_set_dclk_rate,
+	.round_rate	= s3c24xx_round_dclk_rate,
+};
+
+struct clk s3c24xx_clkout0 = {
+	.name		= "clkout0",
+	.id		= -1,
+	.set_parent	= s3c24xx_clkout_setparent,
+};
+
+struct clk s3c24xx_clkout1 = {
+	.name		= "clkout1",
+	.id		= -1,
+	.set_parent	= s3c24xx_clkout_setparent,
+};
diff --git a/arch/arm/plat-s3c24xx/clock.c b/arch/arm/plat-s3c24xx/clock.c
index a005ddbd9ef..8474d05274b 100644
--- a/arch/arm/plat-s3c24xx/clock.c
+++ b/arch/arm/plat-s3c24xx/clock.c
@@ -27,18 +27,8 @@
 */
 
 #include <linux/init.h>
-#include <linux/module.h>
 #include <linux/kernel.h>
-#include <linux/list.h>
-#include <linux/errno.h>
-#include <linux/err.h>
-#include <linux/platform_device.h>
-#include <linux/sysdev.h>
-#include <linux/interrupt.h>
-#include <linux/ioport.h>
 #include <linux/clk.h>
-#include <linux/mutex.h>
-#include <linux/delay.h>
 #include <linux/io.h>
 
 #include <mach/hardware.h>
@@ -47,490 +37,23 @@
 #include <mach/regs-clock.h>
 #include <mach/regs-gpio.h>
 
+#include <plat/cpu-freq.h>
+
 #include <plat/clock.h>
 #include <plat/cpu.h>
-
-/* clock information */
-
-static LIST_HEAD(clocks);
-
-DEFINE_MUTEX(clocks_mutex);
-
-/* enable and disable calls for use with the clk struct */
-
-static int clk_null_enable(struct clk *clk, int enable)
-{
-	return 0;
-}
-
-/* Clock API calls */
-
-struct clk *clk_get(struct device *dev, const char *id)
-{
-	struct clk *p;
-	struct clk *clk = ERR_PTR(-ENOENT);
-	int idno;
-
-	if (dev == NULL || dev->bus != &platform_bus_type)
-		idno = -1;
-	else
-		idno = to_platform_device(dev)->id;
-
-	mutex_lock(&clocks_mutex);
-
-	list_for_each_entry(p, &clocks, list) {
-		if (p->id == idno &&
-		    strcmp(id, p->name) == 0 &&
-		    try_module_get(p->owner)) {
-			clk = p;
-			break;
-		}
-	}
-
-	/* check for the case where a device was supplied, but the
-	 * clock that was being searched for is not device specific */
-
-	if (IS_ERR(clk)) {
-		list_for_each_entry(p, &clocks, list) {
-			if (p->id == -1 && strcmp(id, p->name) == 0 &&
-			    try_module_get(p->owner)) {
-				clk = p;
-				break;
-			}
-		}
-	}
-
-	mutex_unlock(&clocks_mutex);
-	return clk;
-}
-
-void clk_put(struct clk *clk)
-{
-	module_put(clk->owner);
-}
-
-int clk_enable(struct clk *clk)
-{
-	if (IS_ERR(clk) || clk == NULL)
-		return -EINVAL;
-
-	clk_enable(clk->parent);
-
-	mutex_lock(&clocks_mutex);
-
-	if ((clk->usage++) == 0)
-		(clk->enable)(clk, 1);
-
-	mutex_unlock(&clocks_mutex);
-	return 0;
-}
-
-void clk_disable(struct clk *clk)
-{
-	if (IS_ERR(clk) || clk == NULL)
-		return;
-
-	mutex_lock(&clocks_mutex);
-
-	if ((--clk->usage) == 0)
-		(clk->enable)(clk, 0);
-
-	mutex_unlock(&clocks_mutex);
-	clk_disable(clk->parent);
-}
-
-
-unsigned long clk_get_rate(struct clk *clk)
-{
-	if (IS_ERR(clk))
-		return 0;
-
-	if (clk->rate != 0)
-		return clk->rate;
-
-	if (clk->get_rate != NULL)
-		return (clk->get_rate)(clk);
-
-	if (clk->parent != NULL)
-		return clk_get_rate(clk->parent);
-
-	return clk->rate;
-}
-
-long clk_round_rate(struct clk *clk, unsigned long rate)
-{
-	if (!IS_ERR(clk) && clk->round_rate)
-		return (clk->round_rate)(clk, rate);
-
-	return rate;
-}
-
-int clk_set_rate(struct clk *clk, unsigned long rate)
-{
-	int ret;
-
-	if (IS_ERR(clk))
-		return -EINVAL;
-
-	/* We do not default just do a clk->rate = rate as
-	 * the clock may have been made this way by choice.
-	 */
-
-	WARN_ON(clk->set_rate == NULL);
-
-	if (clk->set_rate == NULL)
-		return -EINVAL;
-
-	mutex_lock(&clocks_mutex);
-	ret = (clk->set_rate)(clk, rate);
-	mutex_unlock(&clocks_mutex);
-
-	return ret;
-}
-
-struct clk *clk_get_parent(struct clk *clk)
-{
-	return clk->parent;
-}
-
-int clk_set_parent(struct clk *clk, struct clk *parent)
-{
-	int ret = 0;
-
-	if (IS_ERR(clk))
-		return -EINVAL;
-
-	mutex_lock(&clocks_mutex);
-
-	if (clk->set_parent)
-		ret = (clk->set_parent)(clk, parent);
-
-	mutex_unlock(&clocks_mutex);
-
-	return ret;
-}
-
-EXPORT_SYMBOL(clk_get);
-EXPORT_SYMBOL(clk_put);
-EXPORT_SYMBOL(clk_enable);
-EXPORT_SYMBOL(clk_disable);
-EXPORT_SYMBOL(clk_get_rate);
-EXPORT_SYMBOL(clk_round_rate);
-EXPORT_SYMBOL(clk_set_rate);
-EXPORT_SYMBOL(clk_get_parent);
-EXPORT_SYMBOL(clk_set_parent);
-
-/* base clocks */
-
-static int clk_default_setrate(struct clk *clk, unsigned long rate)
-{
-	clk->rate = rate;
-	return 0;
-}
-
-struct clk clk_xtal = {
-	.name		= "xtal",
-	.id		= -1,
-	.rate		= 0,
-	.parent		= NULL,
-	.ctrlbit	= 0,
-};
-
-struct clk clk_mpll = {
-	.name		= "mpll",
-	.id		= -1,
-	.set_rate	= clk_default_setrate,
-};
-
-struct clk clk_upll = {
-	.name		= "upll",
-	.id		= -1,
-	.parent		= NULL,
-	.ctrlbit	= 0,
-};
-
-struct clk clk_f = {
-	.name		= "fclk",
-	.id		= -1,
-	.rate		= 0,
-	.parent		= &clk_mpll,
-	.ctrlbit	= 0,
-	.set_rate	= clk_default_setrate,
-};
-
-struct clk clk_h = {
-	.name		= "hclk",
-	.id		= -1,
-	.rate		= 0,
-	.parent		= NULL,
-	.ctrlbit	= 0,
-	.set_rate	= clk_default_setrate,
-};
-
-struct clk clk_p = {
-	.name		= "pclk",
-	.id		= -1,
-	.rate		= 0,
-	.parent		= NULL,
-	.ctrlbit	= 0,
-	.set_rate	= clk_default_setrate,
-};
-
-struct clk clk_usb_bus = {
-	.name		= "usb-bus",
-	.id		= -1,
-	.rate		= 0,
-	.parent		= &clk_upll,
-};
-
-/* clocks that could be registered by external code */
-
-static int s3c24xx_dclk_enable(struct clk *clk, int enable)
-{
-	unsigned long dclkcon = __raw_readl(S3C24XX_DCLKCON);
-
-	if (enable)
-		dclkcon |= clk->ctrlbit;
-	else
-		dclkcon &= ~clk->ctrlbit;
-
-	__raw_writel(dclkcon, S3C24XX_DCLKCON);
-
-	return 0;
-}
-
-static int s3c24xx_dclk_setparent(struct clk *clk, struct clk *parent)
-{
-	unsigned long dclkcon;
-	unsigned int uclk;
-
-	if (parent == &clk_upll)
-		uclk = 1;
-	else if (parent == &clk_p)
-		uclk = 0;
-	else
-		return -EINVAL;
-
-	clk->parent = parent;
-
-	dclkcon = __raw_readl(S3C24XX_DCLKCON);
-
-	if (clk->ctrlbit == S3C2410_DCLKCON_DCLK0EN) {
-		if (uclk)
-			dclkcon |= S3C2410_DCLKCON_DCLK0_UCLK;
-		else
-			dclkcon &= ~S3C2410_DCLKCON_DCLK0_UCLK;
-	} else {
-		if (uclk)
-			dclkcon |= S3C2410_DCLKCON_DCLK1_UCLK;
-		else
-			dclkcon &= ~S3C2410_DCLKCON_DCLK1_UCLK;
-	}
-
-	__raw_writel(dclkcon, S3C24XX_DCLKCON);
-
-	return 0;
-}
-
-static unsigned long s3c24xx_calc_div(struct clk *clk, unsigned long rate)
-{
-	unsigned long div;
-
-	if ((rate == 0) || !clk->parent)
-		return 0;
-
-	div = clk_get_rate(clk->parent) / rate;
-	if (div < 2)
-		div = 2;
-	else if (div > 16)
-		div = 16;
-
-	return div;
-}
-
-static unsigned long s3c24xx_round_dclk_rate(struct clk *clk,
-	unsigned long rate)
-{
-	unsigned long div = s3c24xx_calc_div(clk, rate);
-
-	if (div == 0)
-		return 0;
-
-	return clk_get_rate(clk->parent) / div;
-}
-
-static int s3c24xx_set_dclk_rate(struct clk *clk, unsigned long rate)
-{
-	unsigned long mask, data, div = s3c24xx_calc_div(clk, rate);
-
-	if (div == 0)
-		return -EINVAL;
-
-	if (clk == &s3c24xx_dclk0) {
-		mask = S3C2410_DCLKCON_DCLK0_DIV_MASK |
-			S3C2410_DCLKCON_DCLK0_CMP_MASK;
-		data = S3C2410_DCLKCON_DCLK0_DIV(div) |
-			S3C2410_DCLKCON_DCLK0_CMP((div + 1) / 2);
-	} else if (clk == &s3c24xx_dclk1) {
-		mask = S3C2410_DCLKCON_DCLK1_DIV_MASK |
-			S3C2410_DCLKCON_DCLK1_CMP_MASK;
-		data = S3C2410_DCLKCON_DCLK1_DIV(div) |
-			S3C2410_DCLKCON_DCLK1_CMP((div + 1) / 2);
-	} else
-		return -EINVAL;
-
-	clk->rate = clk_get_rate(clk->parent) / div;
-	__raw_writel(((__raw_readl(S3C24XX_DCLKCON) & ~mask) | data),
-		S3C24XX_DCLKCON);
-	return clk->rate;
-}
-
-static int s3c24xx_clkout_setparent(struct clk *clk, struct clk *parent)
-{
-	unsigned long mask;
-	unsigned long source;
-
-	/* calculate the MISCCR setting for the clock */
-
-	if (parent == &clk_xtal)
-		source = S3C2410_MISCCR_CLK0_MPLL;
-	else if (parent == &clk_upll)
-		source = S3C2410_MISCCR_CLK0_UPLL;
-	else if (parent == &clk_f)
-		source = S3C2410_MISCCR_CLK0_FCLK;
-	else if (parent == &clk_h)
-		source = S3C2410_MISCCR_CLK0_HCLK;
-	else if (parent == &clk_p)
-		source = S3C2410_MISCCR_CLK0_PCLK;
-	else if (clk == &s3c24xx_clkout0 && parent == &s3c24xx_dclk0)
-		source = S3C2410_MISCCR_CLK0_DCLK0;
-	else if (clk == &s3c24xx_clkout1 && parent == &s3c24xx_dclk1)
-		source = S3C2410_MISCCR_CLK0_DCLK0;
-	else
-		return -EINVAL;
-
-	clk->parent = parent;
-
-	if (clk == &s3c24xx_clkout0)
-		mask = S3C2410_MISCCR_CLK0_MASK;
-	else {
-		source <<= 4;
-		mask = S3C2410_MISCCR_CLK1_MASK;
-	}
-
-	s3c2410_modify_misccr(mask, source);
-	return 0;
-}
-
-/* external clock definitions */
-
-struct clk s3c24xx_dclk0 = {
-	.name		= "dclk0",
-	.id		= -1,
-	.ctrlbit	= S3C2410_DCLKCON_DCLK0EN,
-	.enable	        = s3c24xx_dclk_enable,
-	.set_parent	= s3c24xx_dclk_setparent,
-	.set_rate	= s3c24xx_set_dclk_rate,
-	.round_rate	= s3c24xx_round_dclk_rate,
-};
-
-struct clk s3c24xx_dclk1 = {
-	.name		= "dclk1",
-	.id		= -1,
-	.ctrlbit	= S3C2410_DCLKCON_DCLK1EN,
-	.enable		= s3c24xx_dclk_enable,
-	.set_parent	= s3c24xx_dclk_setparent,
-	.set_rate	= s3c24xx_set_dclk_rate,
-	.round_rate	= s3c24xx_round_dclk_rate,
-};
-
-struct clk s3c24xx_clkout0 = {
-	.name		= "clkout0",
-	.id		= -1,
-	.set_parent	= s3c24xx_clkout_setparent,
-};
-
-struct clk s3c24xx_clkout1 = {
-	.name		= "clkout1",
-	.id		= -1,
-	.set_parent	= s3c24xx_clkout_setparent,
-};
-
-struct clk s3c24xx_uclk = {
-	.name		= "uclk",
-	.id		= -1,
-};
-
-/* initialise the clock system */
-
-int s3c24xx_register_clock(struct clk *clk)
-{
-	clk->owner = THIS_MODULE;
-
-	if (clk->enable == NULL)
-		clk->enable = clk_null_enable;
-
-	/* add to the list of available clocks */
-
-	mutex_lock(&clocks_mutex);
-	list_add(&clk->list, &clocks);
-	mutex_unlock(&clocks_mutex);
-
-	return 0;
-}
-
-int s3c24xx_register_clocks(struct clk **clks, int nr_clks)
-{
-	int fails = 0;
-
-	for (; nr_clks > 0; nr_clks--, clks++) {
-		if (s3c24xx_register_clock(*clks) < 0)
-			fails++;
-	}
-
-	return fails;
-}
+#include <plat/pll.h>
 
 /* initalise all the clocks */
 
-int __init s3c24xx_setup_clocks(unsigned long xtal,
-				unsigned long fclk,
-				unsigned long hclk,
-				unsigned long pclk)
+void __init_or_cpufreq s3c24xx_setup_clocks(unsigned long fclk,
+					   unsigned long hclk,
+					   unsigned long pclk)
 {
-	printk(KERN_INFO "S3C24XX Clocks, (c) 2004 Simtec Electronics\n");
-
-	/* initialise the main system clocks */
-
-	clk_xtal.rate = xtal;
-	clk_upll.rate = s3c2410_get_pll(__raw_readl(S3C2410_UPLLCON), xtal);
+	clk_upll.rate = s3c24xx_get_pll(__raw_readl(S3C2410_UPLLCON),
+					clk_xtal.rate);
 
 	clk_mpll.rate = fclk;
 	clk_h.rate = hclk;
 	clk_p.rate = pclk;
 	clk_f.rate = fclk;
-
-	/* assume uart clocks are correctly setup */
-
-	/* register our clocks */
-
-	if (s3c24xx_register_clock(&clk_xtal) < 0)
-		printk(KERN_ERR "failed to register master xtal\n");
-
-	if (s3c24xx_register_clock(&clk_mpll) < 0)
-		printk(KERN_ERR "failed to register mpll clock\n");
-
-	if (s3c24xx_register_clock(&clk_upll) < 0)
-		printk(KERN_ERR "failed to register upll clock\n");
-
-	if (s3c24xx_register_clock(&clk_f) < 0)
-		printk(KERN_ERR "failed to register cpu fclk\n");
-
-	if (s3c24xx_register_clock(&clk_h) < 0)
-		printk(KERN_ERR "failed to register cpu hclk\n");
-
-	if (s3c24xx_register_clock(&clk_p) < 0)
-		printk(KERN_ERR "failed to register cpu pclk\n");
-
-	return 0;
 }
diff --git a/arch/arm/plat-s3c24xx/common-smdk.c b/arch/arm/plat-s3c24xx/common-smdk.c
index 3098736c65d..3d4837021ac 100644
--- a/arch/arm/plat-s3c24xx/common-smdk.c
+++ b/arch/arm/plat-s3c24xx/common-smdk.c
@@ -38,7 +38,7 @@
 #include <mach/regs-gpio.h>
 #include <mach/leds-gpio.h>
 
-#include <asm/plat-s3c/nand.h>
+#include <plat/nand.h>
 
 #include <plat/common-smdk.h>
 #include <plat/devs.h>
diff --git a/arch/arm/plat-s3c24xx/cpu.c b/arch/arm/plat-s3c24xx/cpu.c
index 22a329513c0..542062f8cbc 100644
--- a/arch/arm/plat-s3c24xx/cpu.c
+++ b/arch/arm/plat-s3c24xx/cpu.c
@@ -30,7 +30,6 @@
 #include <linux/platform_device.h>
 #include <linux/delay.h>
 #include <linux/io.h>
-#include <linux/delay.h>
 
 #include <mach/hardware.h>
 #include <asm/irq.h>
@@ -55,16 +54,6 @@
 #include <plat/s3c2442.h>
 #include <plat/s3c2443.h>
 
-struct cpu_table {
-	unsigned long	idcode;
-	unsigned long	idmask;
-	void		(*map_io)(struct map_desc *mach_desc, int size);
-	void		(*init_uarts)(struct s3c2410_uartcfg *cfg, int no);
-	void		(*init_clocks)(int xtal);
-	int		(*init)(void);
-	const char	*name;
-};
-
 /* table of supported CPUs */
 
 static const char name_s3c2400[]  = "S3C2400";
@@ -169,23 +158,7 @@ static struct map_desc s3c_iodesc[] __initdata = {
 	IODESC_ENT(UART)
 };
 
-static struct cpu_table * __init s3c_lookup_cpu(unsigned long idcode)
-{
-	struct cpu_table *tab;
-	int count;
-
-	tab = cpu_ids;
-	for (count = 0; count < ARRAY_SIZE(cpu_ids); count++, tab++) {
-		if ((idcode & tab->idmask) == tab->idcode)
-			return tab;
-	}
-
-	return NULL;
-}
-
-/* cpu information */
-
-static struct cpu_table *cpu;
+/* read cpu identificaiton code */
 
 static unsigned long s3c24xx_read_idcode_v5(void)
 {
@@ -231,6 +204,7 @@ void __init s3c24xx_init_io(struct map_desc *mach_desc, int size)
 	unsigned long idcode = 0x0;
 
 	/* initialise the io descriptors we need for initialisation */
+	iotable_init(mach_desc, size);
 	iotable_init(s3c_iodesc, ARRAY_SIZE(s3c_iodesc));
 
 	if (cpu_architecture() >= CPU_ARCH_ARMv5) {
@@ -239,117 +213,7 @@ void __init s3c24xx_init_io(struct map_desc *mach_desc, int size)
 		idcode = s3c24xx_read_idcode_v4();
 	}
 
-	cpu = s3c_lookup_cpu(idcode);
-
-	if (cpu == NULL) {
-		printk(KERN_ERR "Unknown CPU type 0x%08lx\n", idcode);
-		panic("Unknown S3C24XX CPU");
-	}
-
-	printk("CPU %s (id 0x%08lx)\n", cpu->name, idcode);
-
-	if (cpu->map_io == NULL || cpu->init == NULL) {
-		printk(KERN_ERR "CPU %s support not enabled\n", cpu->name);
-		panic("Unsupported S3C24XX CPU");
-	}
-
 	arm_pm_restart = s3c24xx_pm_restart;
 
-	(cpu->map_io)(mach_desc, size);
-}
-
-/* s3c24xx_init_clocks
- *
- * Initialise the clock subsystem and associated information from the
- * given master crystal value.
- *
- * xtal  = 0 -> use default PLL crystal value (normally 12MHz)
- *      != 0 -> PLL crystal value in Hz
-*/
-
-void __init s3c24xx_init_clocks(int xtal)
-{
-	if (xtal == 0)
-		xtal = 12*1000*1000;
-
-	if (cpu == NULL)
-		panic("s3c24xx_init_clocks: no cpu setup?\n");
-
-	if (cpu->init_clocks == NULL)
-		panic("s3c24xx_init_clocks: cpu has no clock init\n");
-	else
-		(cpu->init_clocks)(xtal);
+	s3c_init_cpu(idcode, cpu_ids, ARRAY_SIZE(cpu_ids));
 }
-
-/* uart management */
-
-static int nr_uarts __initdata = 0;
-
-static struct s3c2410_uartcfg uart_cfgs[3];
-
-/* s3c24xx_init_uartdevs
- *
- * copy the specified platform data and configuration into our central
- * set of devices, before the data is thrown away after the init process.
- *
- * This also fills in the array passed to the serial driver for the
- * early initialisation of the console.
-*/
-
-void __init s3c24xx_init_uartdevs(char *name,
-				  struct s3c24xx_uart_resources *res,
-				  struct s3c2410_uartcfg *cfg, int no)
-{
-	struct platform_device *platdev;
-	struct s3c2410_uartcfg *cfgptr = uart_cfgs;
-	struct s3c24xx_uart_resources *resp;
-	int uart;
-
-	memcpy(cfgptr, cfg, sizeof(struct s3c2410_uartcfg) * no);
-
-	for (uart = 0; uart < no; uart++, cfg++, cfgptr++) {
-		platdev = s3c24xx_uart_src[cfgptr->hwport];
-
-		resp = res + cfgptr->hwport;
-
-		s3c24xx_uart_devs[uart] = platdev;
-
-		platdev->name = name;
-		platdev->resource = resp->resources;
-		platdev->num_resources = resp->nr_resources;
-
-		platdev->dev.platform_data = cfgptr;
-	}
-
-	nr_uarts = no;
-}
-
-void __init s3c24xx_init_uarts(struct s3c2410_uartcfg *cfg, int no)
-{
-	if (cpu == NULL)
-		return;
-
-	if (cpu->init_uarts == NULL) {
-		printk(KERN_ERR "s3c24xx_init_uarts: cpu has no uart init\n");
-	} else
-		(cpu->init_uarts)(cfg, no);
-}
-
-static int __init s3c_arch_init(void)
-{
-	int ret;
-
-	// do the correct init for cpu
-
-	if (cpu == NULL)
-		panic("s3c_arch_init: NULL cpu\n");
-
-	ret = (cpu->init)();
-	if (ret != 0)
-		return ret;
-
-	ret = platform_add_devices(s3c24xx_uart_devs, nr_uarts);
-	return ret;
-}
-
-arch_initcall(s3c_arch_init);
diff --git a/arch/arm/plat-s3c24xx/devs.c b/arch/arm/plat-s3c24xx/devs.c
index e93f8bf6d33..16ac01d9b8a 100644
--- a/arch/arm/plat-s3c24xx/devs.c
+++ b/arch/arm/plat-s3c24xx/devs.c
@@ -29,11 +29,11 @@
 #include <asm/irq.h>
 
 #include <plat/regs-serial.h>
-#include <asm/plat-s3c24xx/udc.h>
+#include <plat/udc.h>
 
 #include <plat/devs.h>
 #include <plat/cpu.h>
-#include <asm/plat-s3c24xx/regs-spi.h>
+#include <plat/regs-spi.h>
 
 /* Serial port registrations */
 
@@ -76,6 +76,19 @@ static struct resource s3c2410_uart2_resource[] = {
 	}
 };
 
+static struct resource s3c2410_uart3_resource[] = {
+	[0] = {
+		.start = S3C2443_PA_UART3,
+		.end   = S3C2443_PA_UART3 + 0x3fff,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = IRQ_S3CUART_RX3,
+		.end   = IRQ_S3CUART_ERR3,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
 struct s3c24xx_uart_resources s3c2410_uart_resources[] __initdata = {
 	[0] = {
 		.resources	= s3c2410_uart0_resource,
@@ -89,6 +102,10 @@ struct s3c24xx_uart_resources s3c2410_uart_resources[] __initdata = {
 		.resources	= s3c2410_uart2_resource,
 		.nr_resources	= ARRAY_SIZE(s3c2410_uart2_resource),
 	},
+	[3] = {
+		.resources	= s3c2410_uart3_resource,
+		.nr_resources	= ARRAY_SIZE(s3c2410_uart3_resource),
+	},
 };
 
 /* yart devices */
@@ -105,13 +122,18 @@ static struct platform_device s3c24xx_uart_device2 = {
 	.id		= 2,
 };
 
-struct platform_device *s3c24xx_uart_src[3] = {
+static struct platform_device s3c24xx_uart_device3 = {
+	.id		= 3,
+};
+
+struct platform_device *s3c24xx_uart_src[4] = {
 	&s3c24xx_uart_device0,
 	&s3c24xx_uart_device1,
 	&s3c24xx_uart_device2,
+	&s3c24xx_uart_device3,
 };
 
-struct platform_device *s3c24xx_uart_devs[3] = {
+struct platform_device *s3c24xx_uart_devs[4] = {
 };
 
 /* USB Host Controller */
@@ -192,8 +214,8 @@ void __init s3c24xx_fb_set_platdata(struct s3c2410fb_mach_info *pd)
 
 static struct resource s3c_nand_resource[] = {
 	[0] = {
-		.start = S3C2410_PA_NAND,
-		.end   = S3C2410_PA_NAND + S3C24XX_SZ_NAND - 1,
+		.start = S3C24XX_PA_NAND,
+		.end   = S3C24XX_PA_NAND + S3C24XX_SZ_NAND - 1,
 		.flags = IORESOURCE_MEM,
 	}
 };
@@ -271,31 +293,6 @@ struct platform_device s3c_device_wdt = {
 
 EXPORT_SYMBOL(s3c_device_wdt);
 
-/* I2C */
-
-static struct resource s3c_i2c_resource[] = {
-	[0] = {
-		.start = S3C24XX_PA_IIC,
-		.end   = S3C24XX_PA_IIC + S3C24XX_SZ_IIC - 1,
-		.flags = IORESOURCE_MEM,
-	},
-	[1] = {
-		.start = IRQ_IIC,
-		.end   = IRQ_IIC,
-		.flags = IORESOURCE_IRQ,
-	}
-
-};
-
-struct platform_device s3c_device_i2c = {
-	.name		  = "s3c2410-i2c",
-	.id		  = -1,
-	.num_resources	  = ARRAY_SIZE(s3c_i2c_resource),
-	.resource	  = s3c_i2c_resource,
-};
-
-EXPORT_SYMBOL(s3c_device_i2c);
-
 /* IIS */
 
 static struct resource s3c_iis_resource[] = {
@@ -372,18 +369,26 @@ static struct resource s3c_adc_resource[] = {
 };
 
 struct platform_device s3c_device_adc = {
-	.name		  = "s3c2410-adc",
+	.name		  = "s3c24xx-adc",
 	.id		  = -1,
 	.num_resources	  = ARRAY_SIZE(s3c_adc_resource),
 	.resource	  = s3c_adc_resource,
 };
 
+/* HWMON */
+
+struct platform_device s3c_device_hwmon = {
+	.name		= "s3c24xx-hwmon",
+	.id		= -1,
+	.dev.parent	= &s3c_device_adc.dev,
+};
+
 /* SDI */
 
 static struct resource s3c_sdi_resource[] = {
 	[0] = {
-		.start = S3C2410_PA_SDI,
-		.end   = S3C2410_PA_SDI + S3C24XX_SZ_SDI - 1,
+		.start = S3C24XX_PA_SDI,
+		.end   = S3C24XX_PA_SDI + S3C24XX_SZ_SDI - 1,
 		.flags = IORESOURCE_MEM,
 	},
 	[1] = {
@@ -403,36 +408,6 @@ struct platform_device s3c_device_sdi = {
 
 EXPORT_SYMBOL(s3c_device_sdi);
 
-/* High-speed MMC/SD */
-
-static struct resource s3c_hsmmc_resource[] = {
-	[0] = {
-		.start = S3C2443_PA_HSMMC,
-		.end   = S3C2443_PA_HSMMC + S3C2443_SZ_HSMMC - 1,
-		.flags = IORESOURCE_MEM,
-	},
-	[1] = {
-		.start = IRQ_S3C2443_HSMMC,
-		.end   = IRQ_S3C2443_HSMMC,
-		.flags = IORESOURCE_IRQ,
-	}
-};
-
-static u64 s3c_device_hsmmc_dmamask = 0xffffffffUL;
-
-struct platform_device s3c_device_hsmmc = {
-	.name		  = "s3c-sdhci",
-	.id		  = -1,
-	.num_resources	  = ARRAY_SIZE(s3c_hsmmc_resource),
-	.resource	  = s3c_hsmmc_resource,
-	.dev              = {
-		.dma_mask = &s3c_device_hsmmc_dmamask,
-		.coherent_dma_mask = 0xffffffffUL
-	}
-};
-
-
-
 /* SPI (0) */
 
 static struct resource s3c_spi0_resource[] = {
diff --git a/arch/arm/plat-s3c24xx/dma.c b/arch/arm/plat-s3c24xx/dma.c
index 1baf941d193..aee2aeb46c6 100644
--- a/arch/arm/plat-s3c24xx/dma.c
+++ b/arch/arm/plat-s3c24xx/dma.c
@@ -25,15 +25,13 @@
 #include <linux/sysdev.h>
 #include <linux/slab.h>
 #include <linux/errno.h>
-#include <linux/delay.h>
 #include <linux/io.h>
 
 #include <asm/system.h>
 #include <asm/irq.h>
 #include <mach/hardware.h>
-#include <asm/dma.h>
+#include <mach/dma.h>
 
-#include <asm/mach/dma.h>
 #include <mach/map.h>
 
 #include <plat/dma.h>
@@ -804,7 +802,7 @@ EXPORT_SYMBOL(s3c2410_dma_request);
  * allowed to go through.
 */
 
-int s3c2410_dma_free(dmach_t channel, struct s3c2410_dma_client *client)
+int s3c2410_dma_free(unsigned int channel, struct s3c2410_dma_client *client)
 {
 	struct s3c2410_dma_chan *chan = lookup_dma_channel(channel);
 	unsigned long flags;
@@ -995,7 +993,7 @@ static int s3c2410_dma_started(struct s3c2410_dma_chan *chan)
 }
 
 int
-s3c2410_dma_ctrl(dmach_t channel, enum s3c2410_chan_op op)
+s3c2410_dma_ctrl(unsigned int channel, enum s3c2410_chan_op op)
 {
 	struct s3c2410_dma_chan *chan = lookup_dma_channel(channel);
 
@@ -1043,7 +1041,7 @@ EXPORT_SYMBOL(s3c2410_dma_ctrl);
  * dcon:         base value of the DCONx register
 */
 
-int s3c2410_dma_config(dmach_t channel,
+int s3c2410_dma_config(unsigned int channel,
 		       int xferunit,
 		       int dcon)
 {
@@ -1092,7 +1090,7 @@ int s3c2410_dma_config(dmach_t channel,
 
 EXPORT_SYMBOL(s3c2410_dma_config);
 
-int s3c2410_dma_setflags(dmach_t channel, unsigned int flags)
+int s3c2410_dma_setflags(unsigned int channel, unsigned int flags)
 {
 	struct s3c2410_dma_chan *chan = lookup_dma_channel(channel);
 
@@ -1113,7 +1111,7 @@ EXPORT_SYMBOL(s3c2410_dma_setflags);
  * irq?
 */
 
-int s3c2410_dma_set_opfn(dmach_t channel, s3c2410_dma_opfn_t rtn)
+int s3c2410_dma_set_opfn(unsigned int channel, s3c2410_dma_opfn_t rtn)
 {
 	struct s3c2410_dma_chan *chan = lookup_dma_channel(channel);
 
@@ -1129,7 +1127,7 @@ int s3c2410_dma_set_opfn(dmach_t channel, s3c2410_dma_opfn_t rtn)
 
 EXPORT_SYMBOL(s3c2410_dma_set_opfn);
 
-int s3c2410_dma_set_buffdone_fn(dmach_t channel, s3c2410_dma_cbfn_t rtn)
+int s3c2410_dma_set_buffdone_fn(unsigned int channel, s3c2410_dma_cbfn_t rtn)
 {
 	struct s3c2410_dma_chan *chan = lookup_dma_channel(channel);
 
@@ -1219,7 +1217,7 @@ EXPORT_SYMBOL(s3c2410_dma_devconfig);
  * returns the current transfer points for the dma source and destination
 */
 
-int s3c2410_dma_getposition(dmach_t channel, dma_addr_t *src, dma_addr_t *dst)
+int s3c2410_dma_getposition(unsigned int channel, dma_addr_t *src, dma_addr_t *dst)
 {
  	struct s3c2410_dma_chan *chan = lookup_dma_channel(channel);
 
diff --git a/arch/arm/plat-s3c24xx/gpiolib.c b/arch/arm/plat-s3c24xx/gpiolib.c
index 3caec6bad3e..f95c6c9d9f1 100644
--- a/arch/arm/plat-s3c24xx/gpiolib.c
+++ b/arch/arm/plat-s3c24xx/gpiolib.c
@@ -19,104 +19,12 @@
 #include <linux/io.h>
 #include <linux/gpio.h>
 
+#include <plat/gpio-core.h>
 #include <mach/hardware.h>
 #include <asm/irq.h>
 
 #include <mach/regs-gpio.h>
 
-struct s3c24xx_gpio_chip {
-	struct gpio_chip	chip;
-	void __iomem		*base;
-};
-
-static inline struct s3c24xx_gpio_chip *to_s3c_chip(struct gpio_chip *gpc)
-{
-	return container_of(gpc, struct s3c24xx_gpio_chip, chip);
-}
-
-/* these routines are exported for use by other parts of the platform
- * and system support, but are not intended to be used directly by the
- * drivers themsevles.
- */
-
-static int s3c24xx_gpiolib_input(struct gpio_chip *chip, unsigned offset)
-{
-	struct s3c24xx_gpio_chip *ourchip = to_s3c_chip(chip);
-	void __iomem *base = ourchip->base;
-	unsigned long flags;
-	unsigned long con;
-
-	local_irq_save(flags);
-
-	con = __raw_readl(base + 0x00);
-	con &= ~(3 << (offset * 2));
-	con |= (S3C2410_GPIO_OUTPUT & 0xf) << (offset * 2);
-
-	__raw_writel(con, base + 0x00);
-
-	local_irq_restore(flags);
-	return 0;
-}
-
-static int s3c24xx_gpiolib_output(struct gpio_chip *chip,
-				  unsigned offset, int value)
-{
-	struct s3c24xx_gpio_chip *ourchip = to_s3c_chip(chip);
-	void __iomem *base = ourchip->base;
-	unsigned long flags;
-	unsigned long dat;
-	unsigned long con;
-
-	local_irq_save(flags);
-
-	dat = __raw_readl(base + 0x04);
-	dat &= ~(1 << offset);
-	if (value)
-		dat |= 1 << offset;
-	__raw_writel(dat, base + 0x04);
-
-	con = __raw_readl(base + 0x00);
-	con &= ~(3 << (offset * 2));
-	con |= (S3C2410_GPIO_OUTPUT & 0xf) << (offset * 2);
-
-	__raw_writel(con, base + 0x00);
-	__raw_writel(dat, base + 0x04);
-
-	local_irq_restore(flags);
-	return 0;
-}
-
-static void s3c24xx_gpiolib_set(struct gpio_chip *chip,
-				unsigned offset, int value)
-{
-	struct s3c24xx_gpio_chip *ourchip = to_s3c_chip(chip);
-	void __iomem *base = ourchip->base;
-	unsigned long flags;
-	unsigned long dat;
-
-	local_irq_save(flags);
-
-	dat = __raw_readl(base + 0x04);
-	dat &= ~(1 << offset);
-	if (value)
-		dat |= 1 << offset;
-	__raw_writel(dat, base + 0x04);
-
-	local_irq_restore(flags);
-}
-
-static int s3c24xx_gpiolib_get(struct gpio_chip *chip, unsigned offset)
-{
-	struct s3c24xx_gpio_chip *ourchip = to_s3c_chip(chip);
-	unsigned long val;
-
-	val = __raw_readl(ourchip->base + 0x04);
-	val >>= offset;
-	val &= 1;
-
-	return val;
-}
-
 static int s3c24xx_gpiolib_banka_input(struct gpio_chip *chip, unsigned offset)
 {
 	return -EINVAL;
@@ -125,7 +33,7 @@ static int s3c24xx_gpiolib_banka_input(struct gpio_chip *chip, unsigned offset)
 static int s3c24xx_gpiolib_banka_output(struct gpio_chip *chip,
 					unsigned offset, int value)
 {
-	struct s3c24xx_gpio_chip *ourchip = to_s3c_chip(chip);
+	struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip);
 	void __iomem *base = ourchip->base;
 	unsigned long flags;
 	unsigned long dat;
@@ -151,7 +59,7 @@ static int s3c24xx_gpiolib_banka_output(struct gpio_chip *chip,
 	return 0;
 }
 
-static struct s3c24xx_gpio_chip gpios[] = {
+struct s3c_gpio_chip s3c24xx_gpios[] = {
 	[0] = {
 		.base	= S3C24XX_GPIO_BASE(S3C2410_GPA0),
 		.chip	= {
@@ -161,8 +69,6 @@ static struct s3c24xx_gpio_chip gpios[] = {
 			.ngpio			= 24,
 			.direction_input	= s3c24xx_gpiolib_banka_input,
 			.direction_output	= s3c24xx_gpiolib_banka_output,
-			.set			= s3c24xx_gpiolib_set,
-			.get			= s3c24xx_gpiolib_get,
 		},
 	},
 	[1] = {
@@ -172,10 +78,6 @@ static struct s3c24xx_gpio_chip gpios[] = {
 			.owner			= THIS_MODULE,
 			.label			= "GPIOB",
 			.ngpio			= 16,
-			.direction_input	= s3c24xx_gpiolib_input,
-			.direction_output	= s3c24xx_gpiolib_output,
-			.set			= s3c24xx_gpiolib_set,
-			.get			= s3c24xx_gpiolib_get,
 		},
 	},
 	[2] = {
@@ -185,10 +87,6 @@ static struct s3c24xx_gpio_chip gpios[] = {
 			.owner			= THIS_MODULE,
 			.label			= "GPIOC",
 			.ngpio			= 16,
-			.direction_input	= s3c24xx_gpiolib_input,
-			.direction_output	= s3c24xx_gpiolib_output,
-			.set			= s3c24xx_gpiolib_set,
-			.get			= s3c24xx_gpiolib_get,
 		},
 	},
 	[3] = {
@@ -198,10 +96,6 @@ static struct s3c24xx_gpio_chip gpios[] = {
 			.owner			= THIS_MODULE,
 			.label			= "GPIOD",
 			.ngpio			= 16,
-			.direction_input	= s3c24xx_gpiolib_input,
-			.direction_output	= s3c24xx_gpiolib_output,
-			.set			= s3c24xx_gpiolib_set,
-			.get			= s3c24xx_gpiolib_get,
 		},
 	},
 	[4] = {
@@ -211,10 +105,6 @@ static struct s3c24xx_gpio_chip gpios[] = {
 			.label			= "GPIOE",
 			.owner			= THIS_MODULE,
 			.ngpio			= 16,
-			.direction_input	= s3c24xx_gpiolib_input,
-			.direction_output	= s3c24xx_gpiolib_output,
-			.set			= s3c24xx_gpiolib_set,
-			.get			= s3c24xx_gpiolib_get,
 		},
 	},
 	[5] = {
@@ -224,10 +114,6 @@ static struct s3c24xx_gpio_chip gpios[] = {
 			.owner			= THIS_MODULE,
 			.label			= "GPIOF",
 			.ngpio			= 8,
-			.direction_input	= s3c24xx_gpiolib_input,
-			.direction_output	= s3c24xx_gpiolib_output,
-			.set			= s3c24xx_gpiolib_set,
-			.get			= s3c24xx_gpiolib_get,
 		},
 	},
 	[6] = {
@@ -237,21 +123,17 @@ static struct s3c24xx_gpio_chip gpios[] = {
 			.owner			= THIS_MODULE,
 			.label			= "GPIOG",
 			.ngpio			= 10,
-			.direction_input	= s3c24xx_gpiolib_input,
-			.direction_output	= s3c24xx_gpiolib_output,
-			.set			= s3c24xx_gpiolib_set,
-			.get			= s3c24xx_gpiolib_get,
 		},
 	},
 };
 
 static __init int s3c24xx_gpiolib_init(void)
 {
-	struct s3c24xx_gpio_chip *chip = gpios;
+	struct s3c_gpio_chip *chip = s3c24xx_gpios;
 	int gpn;
 
-	for (gpn = 0; gpn < ARRAY_SIZE(gpios); gpn++, chip++)
-		gpiochip_add(&chip->chip);
+	for (gpn = 0; gpn < ARRAY_SIZE(s3c24xx_gpios); gpn++, chip++)
+		s3c_gpiolib_add(chip);
 
 	return 0;
 }
diff --git a/arch/arm/plat-s3c24xx/include/mach/pwm-clock.h b/arch/arm/plat-s3c24xx/include/mach/pwm-clock.h
new file mode 100644
index 00000000000..a087de21bc2
--- /dev/null
+++ b/arch/arm/plat-s3c24xx/include/mach/pwm-clock.h
@@ -0,0 +1,55 @@
+/* linux/arch/arm/plat-s3c24xx/include/mach/pwm-clock.h
+ *
+ * Copyright 2008 Simtec Electronics
+ *      Ben Dooks <ben@simtec.co.uk>
+ *      http://armlinux.simtec.co.uk/
+ *
+ * S3C24xx - pwm clock and timer support
+ */
+
+/**
+ * pwm_cfg_src_is_tclk() - return whether the given mux config is a tclk
+ * @cfg: The timer TCFG1 register bits shifted down to 0.
+ *
+ * Return true if the given configuration from TCFG1 is a TCLK instead
+ * any of the TDIV clocks.
+ */
+static inline int pwm_cfg_src_is_tclk(unsigned long tcfg)
+{
+	return tcfg == S3C2410_TCFG1_MUX_TCLK;
+}
+
+/**
+ * tcfg_to_divisor() - convert tcfg1 setting to a divisor
+ * @tcfg1: The tcfg1 setting, shifted down.
+ *
+ * Get the divisor value for the given tcfg1 setting. We assume the
+ * caller has already checked to see if this is not a TCLK source.
+ */
+static inline unsigned long tcfg_to_divisor(unsigned long tcfg1)
+{
+	return 1 << (1 + tcfg1);
+}
+
+/**
+ * pwm_tdiv_has_div1() - does the tdiv setting have a /1
+ *
+ * Return true if we have a /1 in the tdiv setting.
+ */
+static inline unsigned int pwm_tdiv_has_div1(void)
+{
+	return 0;
+}
+
+/**
+ * pwm_tdiv_div_bits() - calculate TCFG1 divisor value.
+ * @div: The divisor to calculate the bit information for.
+ *
+ * Turn a divisor into the necessary bit field for TCFG1.
+ */
+static inline unsigned long pwm_tdiv_div_bits(unsigned int div)
+{
+	return ilog2(div) - 1;
+}
+
+#define S3C_TCFG1_MUX_TCLK S3C2410_TCFG1_MUX_TCLK
diff --git a/arch/arm/plat-s3c24xx/include/plat/clock.h b/arch/arm/plat-s3c24xx/include/plat/clock.h
deleted file mode 100644
index 235b753cd87..00000000000
--- a/arch/arm/plat-s3c24xx/include/plat/clock.h
+++ /dev/null
@@ -1,64 +0,0 @@
-/* linux/include/asm-arm/plat-s3c24xx/clock.h
- * linux/arch/arm/mach-s3c2410/clock.h
- *
- * Copyright (c) 2004-2005 Simtec Electronics
- *	http://www.simtec.co.uk/products/SWLINUX/
- *	Written by Ben Dooks, <ben@simtec.co.uk>
- *
- * 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.
-*/
-
-struct clk {
-	struct list_head      list;
-	struct module        *owner;
-	struct clk           *parent;
-	const char           *name;
-	int		      id;
-	int		      usage;
-	unsigned long         rate;
-	unsigned long         ctrlbit;
-
-	int		    (*enable)(struct clk *, int enable);
-	int		    (*set_rate)(struct clk *c, unsigned long rate);
-	unsigned long	    (*get_rate)(struct clk *c);
-	unsigned long	    (*round_rate)(struct clk *c, unsigned long rate);
-	int		    (*set_parent)(struct clk *c, struct clk *parent);
-};
-
-/* other clocks which may be registered by board support */
-
-extern struct clk s3c24xx_dclk0;
-extern struct clk s3c24xx_dclk1;
-extern struct clk s3c24xx_clkout0;
-extern struct clk s3c24xx_clkout1;
-extern struct clk s3c24xx_uclk;
-
-extern struct clk clk_usb_bus;
-
-/* core clock support */
-
-extern struct clk clk_f;
-extern struct clk clk_h;
-extern struct clk clk_p;
-extern struct clk clk_mpll;
-extern struct clk clk_upll;
-extern struct clk clk_xtal;
-
-/* exports for arch/arm/mach-s3c2410
- *
- * Please DO NOT use these outside of arch/arm/mach-s3c2410
-*/
-
-extern struct mutex clocks_mutex;
-
-extern int s3c2410_clkcon_enable(struct clk *clk, int enable);
-
-extern int s3c24xx_register_clock(struct clk *clk);
-extern int s3c24xx_register_clocks(struct clk **clk, int nr_clks);
-
-extern int s3c24xx_setup_clocks(unsigned long xtal,
-				unsigned long fclk,
-				unsigned long hclk,
-				unsigned long pclk);
diff --git a/arch/arm/plat-s3c24xx/include/plat/cpu.h b/arch/arm/plat-s3c24xx/include/plat/cpu.h
deleted file mode 100644
index 23e420e8bd5..00000000000
--- a/arch/arm/plat-s3c24xx/include/plat/cpu.h
+++ /dev/null
@@ -1,54 +0,0 @@
-/* linux/include/asm-arm/plat-s3c24xx/cpu.h
- *
- * Copyright (c) 2004-2005 Simtec Electronics
- *	Ben Dooks <ben@simtec.co.uk>
- *
- * Header file for S3C24XX CPU support
- *
- * 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.
-*/
-
-/* todo - fix when rmk changes iodescs to use `void __iomem *` */
-
-#define IODESC_ENT(x) { (unsigned long)S3C24XX_VA_##x, __phys_to_pfn(S3C24XX_PA_##x), S3C24XX_SZ_##x, MT_DEVICE }
-
-#ifndef MHZ
-#define MHZ (1000*1000)
-#endif
-
-#define print_mhz(m) ((m) / MHZ), ((m / 1000) % 1000)
-
-/* forward declaration */
-struct s3c24xx_uart_resources;
-struct platform_device;
-struct s3c2410_uartcfg;
-struct map_desc;
-
-/* core initialisation functions */
-
-extern void s3c24xx_init_irq(void);
-
-extern void s3c24xx_init_io(struct map_desc *mach_desc, int size);
-
-extern void s3c24xx_init_uarts(struct s3c2410_uartcfg *cfg, int no);
-
-extern void s3c24xx_init_clocks(int xtal);
-
-extern void s3c24xx_init_uartdevs(char *name,
-				  struct s3c24xx_uart_resources *res,
-				  struct s3c2410_uartcfg *cfg, int no);
-
-/* timer for 2410/2440 */
-
-struct sys_timer;
-extern struct sys_timer s3c24xx_timer;
-
-/* system device classes */
-
-extern struct sysdev_class s3c2410_sysclass;
-extern struct sysdev_class s3c2412_sysclass;
-extern struct sysdev_class s3c2440_sysclass;
-extern struct sysdev_class s3c2442_sysclass;
-extern struct sysdev_class s3c2443_sysclass;
diff --git a/arch/arm/plat-s3c24xx/include/plat/devs.h b/arch/arm/plat-s3c24xx/include/plat/devs.h
deleted file mode 100644
index badaac9d64a..00000000000
--- a/arch/arm/plat-s3c24xx/include/plat/devs.h
+++ /dev/null
@@ -1,49 +0,0 @@
-/* linux/include/asm-arm/plat-s3c24xx/devs.h
- *
- * Copyright (c) 2004 Simtec Electronics
- * Ben Dooks <ben@simtec.co.uk>
- *
- * Header file for s3c2410 standard platform devices
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-#include <linux/platform_device.h>
-
-struct s3c24xx_uart_resources {
-	struct resource		*resources;
-	unsigned long		 nr_resources;
-};
-
-extern struct s3c24xx_uart_resources s3c2410_uart_resources[];
-
-extern struct platform_device *s3c24xx_uart_devs[];
-extern struct platform_device *s3c24xx_uart_src[];
-
-extern struct platform_device s3c_device_timer[];
-
-extern struct platform_device s3c_device_usb;
-extern struct platform_device s3c_device_lcd;
-extern struct platform_device s3c_device_wdt;
-extern struct platform_device s3c_device_i2c;
-extern struct platform_device s3c_device_iis;
-extern struct platform_device s3c_device_rtc;
-extern struct platform_device s3c_device_adc;
-extern struct platform_device s3c_device_sdi;
-extern struct platform_device s3c_device_hsmmc;
-
-extern struct platform_device s3c_device_spi0;
-extern struct platform_device s3c_device_spi1;
-
-extern struct platform_device s3c_device_nand;
-
-extern struct platform_device s3c_device_usbgadget;
-
-/* s3c2440 specific devices */
-
-#ifdef CONFIG_CPU_S3C2440
-
-extern struct platform_device s3c_device_camif;
-
-#endif
diff --git a/arch/arm/plat-s3c24xx/include/plat/map.h b/arch/arm/plat-s3c24xx/include/plat/map.h
new file mode 100644
index 00000000000..fef8ea8b8e1
--- /dev/null
+++ b/arch/arm/plat-s3c24xx/include/plat/map.h
@@ -0,0 +1,99 @@
+/* linux/include/asm-arm/plat-s3c24xx/map.h
+ *
+ * Copyright (c) 2008 Simtec Electronics
+ *	Ben Dooks <ben@simtec.co.uk>
+ *
+ * S3C24XX - Memory map definitions
+ *
+ * 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 __ASM_PLAT_S3C24XX_MAP_H
+#define __ASM_PLAT_S3C24XX_MAP_H
+
+/* interrupt controller is the first thing we put in, to make
+ * the assembly code for the irq detection easier
+ */
+#define S3C24XX_VA_IRQ	   S3C_VA_IRQ
+#define S3C2410_PA_IRQ	   (0x4A000000)
+#define S3C24XX_SZ_IRQ	   SZ_1M
+
+/* memory controller registers */
+#define S3C24XX_VA_MEMCTRL S3C_VA_MEM
+#define S3C2410_PA_MEMCTRL (0x48000000)
+#define S3C24XX_SZ_MEMCTRL SZ_1M
+
+/* UARTs */
+#define S3C24XX_VA_UART	   S3C_VA_UART
+#define S3C2410_PA_UART	   (0x50000000)
+#define S3C24XX_SZ_UART	   SZ_1M
+#define S3C_UART_OFFSET	   (0x4000)
+
+/* Timers */
+#define S3C24XX_VA_TIMER   S3C_VA_TIMER
+#define S3C2410_PA_TIMER   (0x51000000)
+#define S3C24XX_SZ_TIMER   SZ_1M
+
+/* Clock and Power management */
+#define S3C24XX_VA_CLKPWR  S3C_VA_SYS
+#define S3C24XX_SZ_CLKPWR  SZ_1M
+
+/* USB Device port */
+#define S3C2410_PA_USBDEV  (0x52000000)
+#define S3C24XX_SZ_USBDEV  SZ_1M
+
+/* Watchdog */
+#define S3C24XX_VA_WATCHDOG S3C_VA_WATCHDOG
+#define S3C2410_PA_WATCHDOG (0x53000000)
+#define S3C24XX_SZ_WATCHDOG SZ_1M
+
+/* Standard size definitions for peripheral blocks. */
+
+#define S3C24XX_SZ_IIS		SZ_1M
+#define S3C24XX_SZ_ADC		SZ_1M
+#define S3C24XX_SZ_SPI		SZ_1M
+#define S3C24XX_SZ_SDI		SZ_1M
+#define S3C24XX_SZ_NAND		SZ_1M
+#define S3C24XX_SZ_USBHOST	SZ_1M
+
+/* GPIO ports */
+
+/* the calculation for the VA of this must ensure that
+ * it is the same distance apart from the UART in the
+ * phsyical address space, as the initial mapping for the IO
+ * is done as a 1:1 maping. This puts it (currently) at
+ * 0xFA800000, which is not in the way of any current mapping
+ * by the base system.
+*/
+
+#define S3C2410_PA_GPIO	   (0x56000000)
+#define S3C24XX_VA_GPIO	   ((S3C24XX_PA_GPIO - S3C24XX_PA_UART) + S3C24XX_VA_UART)
+#define S3C24XX_SZ_GPIO	   SZ_1M
+
+
+/* ISA style IO, for each machine to sort out mappings for, if it
+ * implements it. We reserve two 16M regions for ISA.
+ */
+
+#define S3C24XX_VA_ISA_WORD  S3C2410_ADDR(0x02000000)
+#define S3C24XX_VA_ISA_BYTE  S3C2410_ADDR(0x03000000)
+
+/* deal with the registers that move under the 2412/2413 */
+
+#if defined(CONFIG_CPU_S3C2412) || defined(CONFIG_CPU_S3C2413)
+#ifndef __ASSEMBLY__
+extern void __iomem *s3c24xx_va_gpio2;
+#endif
+#ifdef CONFIG_CPU_S3C2412_ONLY
+#define S3C24XX_VA_GPIO2 (S3C24XX_VA_GPIO + 0x10)
+#else
+#define S3C24XX_VA_GPIO2 s3c24xx_va_gpio2
+#endif
+#else
+#define s3c24xx_va_gpio2 S3C24XX_VA_GPIO
+#define S3C24XX_VA_GPIO2 S3C24XX_VA_GPIO
+#endif
+
+#endif /* __ASM_PLAT_S3C24XX_MAP_H */
diff --git a/arch/arm/plat-s3c24xx/include/plat/mci.h b/arch/arm/plat-s3c24xx/include/plat/mci.h
new file mode 100644
index 00000000000..2d0852ac3b2
--- /dev/null
+++ b/arch/arm/plat-s3c24xx/include/plat/mci.h
@@ -0,0 +1,15 @@
+#ifndef _ARCH_MCI_H
+#define _ARCH_MCI_H
+
+struct s3c24xx_mci_pdata {
+	unsigned int	wprotect_invert : 1;
+	unsigned int	detect_invert : 1;   /* set => detect active high. */
+
+	unsigned int	gpio_detect;
+	unsigned int	gpio_wprotect;
+	unsigned long	ocr_avail;
+	void		(*set_power)(unsigned char power_mode,
+				     unsigned short vdd);
+};
+
+#endif /* _ARCH_NCI_H */
diff --git a/arch/arm/plat-s3c24xx/include/plat/pll.h b/arch/arm/plat-s3c24xx/include/plat/pll.h
new file mode 100644
index 00000000000..7ea8bffa7a9
--- /dev/null
+++ b/arch/arm/plat-s3c24xx/include/plat/pll.h
@@ -0,0 +1,37 @@
+/* linux/arch/arm/plat-s3c24xx/include/plat/pll.h
+ *
+ * Copyright 2008 Simtec Electronics
+ *      Ben Dooks <ben@simtec.co.uk>
+ *      http://armlinux.simtec.co.uk/
+ *
+ * S3C24xx - common pll registers and code
+ */
+
+#define S3C24XX_PLLCON_MDIVSHIFT	12
+#define S3C24XX_PLLCON_PDIVSHIFT	4
+#define S3C24XX_PLLCON_SDIVSHIFT	0
+#define S3C24XX_PLLCON_MDIVMASK		((1<<(1+(19-12)))-1)
+#define S3C24XX_PLLCON_PDIVMASK		((1<<5)-1)
+#define S3C24XX_PLLCON_SDIVMASK		3
+
+#include <asm/div64.h>
+
+static inline unsigned int
+s3c24xx_get_pll(unsigned int pllval, unsigned int baseclk)
+{
+	unsigned int mdiv, pdiv, sdiv;
+	uint64_t fvco;
+
+	mdiv = pllval >> S3C24XX_PLLCON_MDIVSHIFT;
+	pdiv = pllval >> S3C24XX_PLLCON_PDIVSHIFT;
+	sdiv = pllval >> S3C24XX_PLLCON_SDIVSHIFT;
+
+	mdiv &= S3C24XX_PLLCON_MDIVMASK;
+	pdiv &= S3C24XX_PLLCON_PDIVMASK;
+	sdiv &= S3C24XX_PLLCON_SDIVMASK;
+
+	fvco = (uint64_t)baseclk * (mdiv + 8);
+	do_div(fvco, (pdiv + 2) << sdiv);
+
+	return (unsigned int)fvco;
+}
diff --git a/arch/arm/plat-s3c24xx/include/plat/regs-spi.h b/arch/arm/plat-s3c24xx/include/plat/regs-spi.h
new file mode 100644
index 00000000000..2b35479ee35
--- /dev/null
+++ b/arch/arm/plat-s3c24xx/include/plat/regs-spi.h
@@ -0,0 +1,82 @@
+/* arch/arm/mach-s3c2410/include/mach/regs-spi.h
+ *
+ * Copyright (c) 2004 Fetron GmbH
+ *
+ * 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.
+ *
+ * S3C2410 SPI register definition
+*/
+
+#ifndef __ASM_ARCH_REGS_SPI_H
+#define __ASM_ARCH_REGS_SPI_H
+
+#define S3C2410_SPI1	(0x20)
+#define S3C2412_SPI1	(0x100)
+
+#define S3C2410_SPCON	(0x00)
+
+#define S3C2412_SPCON_RXFIFO_RB2	(0<<14)
+#define S3C2412_SPCON_RXFIFO_RB4	(1<<14)
+#define S3C2412_SPCON_RXFIFO_RB12	(2<<14)
+#define S3C2412_SPCON_RXFIFO_RB14	(3<<14)
+#define S3C2412_SPCON_TXFIFO_RB2	(0<<12)
+#define S3C2412_SPCON_TXFIFO_RB4	(1<<12)
+#define S3C2412_SPCON_TXFIFO_RB12	(2<<12)
+#define S3C2412_SPCON_TXFIFO_RB14	(3<<12)
+#define S3C2412_SPCON_RXFIFO_RESET	(1<<11) /* RxFIFO reset */
+#define S3C2412_SPCON_TXFIFO_RESET	(1<<10) /* TxFIFO reset */
+#define S3C2412_SPCON_RXFIFO_EN		(1<<9)  /* RxFIFO Enable */
+#define S3C2412_SPCON_TXFIFO_EN		(1<<8)  /* TxFIFO Enable */
+
+#define S3C2412_SPCON_DIRC_RX	  (1<<7)
+
+#define S3C2410_SPCON_SMOD_DMA	  (2<<5)	/* DMA mode */
+#define S3C2410_SPCON_SMOD_INT	  (1<<5)	/* interrupt mode */
+#define S3C2410_SPCON_SMOD_POLL   (0<<5)	/* polling mode */
+#define S3C2410_SPCON_ENSCK	  (1<<4)	/* Enable SCK */
+#define S3C2410_SPCON_MSTR	  (1<<3)	/* Master/Slave select
+						   0: slave, 1: master */
+#define S3C2410_SPCON_CPOL_HIGH	  (1<<2)	/* Clock polarity select */
+#define S3C2410_SPCON_CPOL_LOW	  (0<<2)	/* Clock polarity select */
+
+#define S3C2410_SPCON_CPHA_FMTB	  (1<<1)	/* Clock Phase Select */
+#define S3C2410_SPCON_CPHA_FMTA	  (0<<1)	/* Clock Phase Select */
+
+#define S3C2410_SPCON_TAGD	  (1<<0)	/* Tx auto garbage data mode */
+
+
+#define S3C2410_SPSTA	 (0x04)
+
+#define S3C2412_SPSTA_RXFIFO_AE		(1<<11)
+#define S3C2412_SPSTA_TXFIFO_AE		(1<<10)
+#define S3C2412_SPSTA_RXFIFO_ERROR	(1<<9)
+#define S3C2412_SPSTA_TXFIFO_ERROR	(1<<8)
+#define S3C2412_SPSTA_RXFIFO_FIFO	(1<<7)
+#define S3C2412_SPSTA_RXFIFO_EMPTY	(1<<6)
+#define S3C2412_SPSTA_TXFIFO_NFULL	(1<<5)
+#define S3C2412_SPSTA_TXFIFO_EMPTY	(1<<4)
+
+#define S3C2410_SPSTA_DCOL	  (1<<2)	/* Data Collision Error */
+#define S3C2410_SPSTA_MULD	  (1<<1)	/* Multi Master Error */
+#define S3C2410_SPSTA_READY	  (1<<0)	/* Data Tx/Rx ready */
+#define S3C2412_SPSTA_READY_ORG	  (1<<3)
+
+#define S3C2410_SPPIN	 (0x08)
+
+#define S3C2410_SPPIN_ENMUL	  (1<<2)	/* Multi Master Error detect */
+#define S3C2410_SPPIN_RESERVED	  (1<<1)
+#define S3C2400_SPPIN_nCS     	  (1<<1)	/* SPI Card Select */
+#define S3C2410_SPPIN_KEEP	  (1<<0)	/* Master Out keep */
+
+#define S3C2410_SPPRE	 (0x0C)
+#define S3C2410_SPTDAT	 (0x10)
+#define S3C2410_SPRDAT	 (0x14)
+
+#define S3C2412_TXFIFO	 (0x18)
+#define S3C2412_RXFIFO	 (0x18)
+#define S3C2412_SPFIC	 (0x24)
+
+
+#endif /* __ASM_ARCH_REGS_SPI_H */
diff --git a/arch/arm/plat-s3c24xx/include/plat/regs-udc.h b/arch/arm/plat-s3c24xx/include/plat/regs-udc.h
new file mode 100644
index 00000000000..f0dd4a41b37
--- /dev/null
+++ b/arch/arm/plat-s3c24xx/include/plat/regs-udc.h
@@ -0,0 +1,153 @@
+/* arch/arm/mach-s3c2410/include/mach/regs-udc.h
+ *
+ * Copyright (C) 2004 Herbert Poetzl <herbert@13thfloor.at>
+ *
+ * This include file 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.
+*/
+
+#ifndef __ASM_ARCH_REGS_UDC_H
+#define __ASM_ARCH_REGS_UDC_H
+
+#define S3C2410_USBDREG(x) (x)
+
+#define S3C2410_UDC_FUNC_ADDR_REG	S3C2410_USBDREG(0x0140)
+#define S3C2410_UDC_PWR_REG		S3C2410_USBDREG(0x0144)
+#define S3C2410_UDC_EP_INT_REG		S3C2410_USBDREG(0x0148)
+
+#define S3C2410_UDC_USB_INT_REG		S3C2410_USBDREG(0x0158)
+#define S3C2410_UDC_EP_INT_EN_REG	S3C2410_USBDREG(0x015c)
+
+#define S3C2410_UDC_USB_INT_EN_REG	S3C2410_USBDREG(0x016c)
+
+#define S3C2410_UDC_FRAME_NUM1_REG	S3C2410_USBDREG(0x0170)
+#define S3C2410_UDC_FRAME_NUM2_REG	S3C2410_USBDREG(0x0174)
+
+#define S3C2410_UDC_EP0_FIFO_REG	S3C2410_USBDREG(0x01c0)
+#define S3C2410_UDC_EP1_FIFO_REG	S3C2410_USBDREG(0x01c4)
+#define S3C2410_UDC_EP2_FIFO_REG	S3C2410_USBDREG(0x01c8)
+#define S3C2410_UDC_EP3_FIFO_REG	S3C2410_USBDREG(0x01cc)
+#define S3C2410_UDC_EP4_FIFO_REG	S3C2410_USBDREG(0x01d0)
+
+#define S3C2410_UDC_EP1_DMA_CON		S3C2410_USBDREG(0x0200)
+#define S3C2410_UDC_EP1_DMA_UNIT	S3C2410_USBDREG(0x0204)
+#define S3C2410_UDC_EP1_DMA_FIFO	S3C2410_USBDREG(0x0208)
+#define S3C2410_UDC_EP1_DMA_TTC_L	S3C2410_USBDREG(0x020c)
+#define S3C2410_UDC_EP1_DMA_TTC_M	S3C2410_USBDREG(0x0210)
+#define S3C2410_UDC_EP1_DMA_TTC_H	S3C2410_USBDREG(0x0214)
+
+#define S3C2410_UDC_EP2_DMA_CON		S3C2410_USBDREG(0x0218)
+#define S3C2410_UDC_EP2_DMA_UNIT	S3C2410_USBDREG(0x021c)
+#define S3C2410_UDC_EP2_DMA_FIFO	S3C2410_USBDREG(0x0220)
+#define S3C2410_UDC_EP2_DMA_TTC_L	S3C2410_USBDREG(0x0224)
+#define S3C2410_UDC_EP2_DMA_TTC_M	S3C2410_USBDREG(0x0228)
+#define S3C2410_UDC_EP2_DMA_TTC_H	S3C2410_USBDREG(0x022c)
+
+#define S3C2410_UDC_EP3_DMA_CON		S3C2410_USBDREG(0x0240)
+#define S3C2410_UDC_EP3_DMA_UNIT	S3C2410_USBDREG(0x0244)
+#define S3C2410_UDC_EP3_DMA_FIFO	S3C2410_USBDREG(0x0248)
+#define S3C2410_UDC_EP3_DMA_TTC_L	S3C2410_USBDREG(0x024c)
+#define S3C2410_UDC_EP3_DMA_TTC_M	S3C2410_USBDREG(0x0250)
+#define S3C2410_UDC_EP3_DMA_TTC_H	S3C2410_USBDREG(0x0254)
+
+#define S3C2410_UDC_EP4_DMA_CON		S3C2410_USBDREG(0x0258)
+#define S3C2410_UDC_EP4_DMA_UNIT	S3C2410_USBDREG(0x025c)
+#define S3C2410_UDC_EP4_DMA_FIFO	S3C2410_USBDREG(0x0260)
+#define S3C2410_UDC_EP4_DMA_TTC_L	S3C2410_USBDREG(0x0264)
+#define S3C2410_UDC_EP4_DMA_TTC_M	S3C2410_USBDREG(0x0268)
+#define S3C2410_UDC_EP4_DMA_TTC_H	S3C2410_USBDREG(0x026c)
+
+#define S3C2410_UDC_INDEX_REG		S3C2410_USBDREG(0x0178)
+
+/* indexed registers */
+
+#define S3C2410_UDC_MAXP_REG		S3C2410_USBDREG(0x0180)
+
+#define S3C2410_UDC_EP0_CSR_REG		S3C2410_USBDREG(0x0184)
+
+#define S3C2410_UDC_IN_CSR1_REG		S3C2410_USBDREG(0x0184)
+#define S3C2410_UDC_IN_CSR2_REG		S3C2410_USBDREG(0x0188)
+
+#define S3C2410_UDC_OUT_CSR1_REG	S3C2410_USBDREG(0x0190)
+#define S3C2410_UDC_OUT_CSR2_REG	S3C2410_USBDREG(0x0194)
+#define S3C2410_UDC_OUT_FIFO_CNT1_REG	S3C2410_USBDREG(0x0198)
+#define S3C2410_UDC_OUT_FIFO_CNT2_REG	S3C2410_USBDREG(0x019c)
+
+#define S3C2410_UDC_FUNCADDR_UPDATE	(1<<7)
+
+#define S3C2410_UDC_PWR_ISOUP		(1<<7) // R/W
+#define S3C2410_UDC_PWR_RESET		(1<<3) // R
+#define S3C2410_UDC_PWR_RESUME		(1<<2) // R/W
+#define S3C2410_UDC_PWR_SUSPEND		(1<<1) // R
+#define S3C2410_UDC_PWR_ENSUSPEND	(1<<0) // R/W
+
+#define S3C2410_UDC_PWR_DEFAULT		0x00
+
+#define S3C2410_UDC_INT_EP4		(1<<4) // R/W (clear only)
+#define S3C2410_UDC_INT_EP3		(1<<3) // R/W (clear only)
+#define S3C2410_UDC_INT_EP2		(1<<2) // R/W (clear only)
+#define S3C2410_UDC_INT_EP1		(1<<1) // R/W (clear only)
+#define S3C2410_UDC_INT_EP0		(1<<0) // R/W (clear only)
+
+#define S3C2410_UDC_USBINT_RESET	(1<<2) // R/W (clear only)
+#define S3C2410_UDC_USBINT_RESUME	(1<<1) // R/W (clear only)
+#define S3C2410_UDC_USBINT_SUSPEND	(1<<0) // R/W (clear only)
+
+#define S3C2410_UDC_INTE_EP4		(1<<4) // R/W
+#define S3C2410_UDC_INTE_EP3		(1<<3) // R/W
+#define S3C2410_UDC_INTE_EP2		(1<<2) // R/W
+#define S3C2410_UDC_INTE_EP1		(1<<1) // R/W
+#define S3C2410_UDC_INTE_EP0		(1<<0) // R/W
+
+#define S3C2410_UDC_USBINTE_RESET	(1<<2) // R/W
+#define S3C2410_UDC_USBINTE_SUSPEND	(1<<0) // R/W
+
+
+#define S3C2410_UDC_INDEX_EP0		(0x00)
+#define S3C2410_UDC_INDEX_EP1		(0x01) // ??
+#define S3C2410_UDC_INDEX_EP2		(0x02) // ??
+#define S3C2410_UDC_INDEX_EP3		(0x03) // ??
+#define S3C2410_UDC_INDEX_EP4		(0x04) // ??
+
+#define S3C2410_UDC_ICSR1_CLRDT		(1<<6) // R/W
+#define S3C2410_UDC_ICSR1_SENTSTL	(1<<5) // R/W (clear only)
+#define S3C2410_UDC_ICSR1_SENDSTL	(1<<4) // R/W
+#define S3C2410_UDC_ICSR1_FFLUSH	(1<<3) // W   (set only)
+#define S3C2410_UDC_ICSR1_UNDRUN	(1<<2) // R/W (clear only)
+#define S3C2410_UDC_ICSR1_PKTRDY	(1<<0) // R/W (set only)
+
+#define S3C2410_UDC_ICSR2_AUTOSET	(1<<7) // R/W
+#define S3C2410_UDC_ICSR2_ISO		(1<<6) // R/W
+#define S3C2410_UDC_ICSR2_MODEIN	(1<<5) // R/W
+#define S3C2410_UDC_ICSR2_DMAIEN	(1<<4) // R/W
+
+#define S3C2410_UDC_OCSR1_CLRDT		(1<<7) // R/W
+#define S3C2410_UDC_OCSR1_SENTSTL	(1<<6) // R/W (clear only)
+#define S3C2410_UDC_OCSR1_SENDSTL	(1<<5) // R/W
+#define S3C2410_UDC_OCSR1_FFLUSH	(1<<4) // R/W
+#define S3C2410_UDC_OCSR1_DERROR	(1<<3) // R
+#define S3C2410_UDC_OCSR1_OVRRUN	(1<<2) // R/W (clear only)
+#define S3C2410_UDC_OCSR1_PKTRDY	(1<<0) // R/W (clear only)
+
+#define S3C2410_UDC_OCSR2_AUTOCLR	(1<<7) // R/W
+#define S3C2410_UDC_OCSR2_ISO		(1<<6) // R/W
+#define S3C2410_UDC_OCSR2_DMAIEN	(1<<5) // R/W
+
+#define S3C2410_UDC_EP0_CSR_OPKRDY	(1<<0)
+#define S3C2410_UDC_EP0_CSR_IPKRDY	(1<<1)
+#define S3C2410_UDC_EP0_CSR_SENTSTL	(1<<2)
+#define S3C2410_UDC_EP0_CSR_DE		(1<<3)
+#define S3C2410_UDC_EP0_CSR_SE		(1<<4)
+#define S3C2410_UDC_EP0_CSR_SENDSTL	(1<<5)
+#define S3C2410_UDC_EP0_CSR_SOPKTRDY	(1<<6)
+#define S3C2410_UDC_EP0_CSR_SSE	(1<<7)
+
+#define S3C2410_UDC_MAXP_8		(1<<0)
+#define S3C2410_UDC_MAXP_16		(1<<1)
+#define S3C2410_UDC_MAXP_32		(1<<2)
+#define S3C2410_UDC_MAXP_64		(1<<3)
+
+
+#endif
diff --git a/arch/arm/plat-s3c24xx/include/plat/s3c2400.h b/arch/arm/plat-s3c24xx/include/plat/s3c2400.h
index 3a5a16821af..b3feaea5c70 100644
--- a/arch/arm/plat-s3c24xx/include/plat/s3c2400.h
+++ b/arch/arm/plat-s3c24xx/include/plat/s3c2400.h
@@ -17,7 +17,7 @@
 
 extern  int s3c2400_init(void);
 
-extern void s3c2400_map_io(struct map_desc *mach_desc, int size);
+extern void s3c2400_map_io(void);
 
 extern void s3c2400_init_uarts(struct s3c2410_uartcfg *cfg, int no);
 
diff --git a/arch/arm/plat-s3c24xx/include/plat/s3c2410.h b/arch/arm/plat-s3c24xx/include/plat/s3c2410.h
index 3cd1ec677b3..a9ac9e29759 100644
--- a/arch/arm/plat-s3c24xx/include/plat/s3c2410.h
+++ b/arch/arm/plat-s3c24xx/include/plat/s3c2410.h
@@ -15,7 +15,7 @@
 
 extern  int s3c2410_init(void);
 
-extern void s3c2410_map_io(struct map_desc *mach_desc, int size);
+extern void s3c2410_map_io(void);
 
 extern void s3c2410_init_uarts(struct s3c2410_uartcfg *cfg, int no);
 
diff --git a/arch/arm/plat-s3c24xx/include/plat/s3c2412.h b/arch/arm/plat-s3c24xx/include/plat/s3c2412.h
index 3ec97685e78..bb15d3b68be 100644
--- a/arch/arm/plat-s3c24xx/include/plat/s3c2412.h
+++ b/arch/arm/plat-s3c24xx/include/plat/s3c2412.h
@@ -14,7 +14,7 @@
 
 extern  int s3c2412_init(void);
 
-extern void s3c2412_map_io(struct map_desc *mach_desc, int size);
+extern void s3c2412_map_io(void);
 
 extern void s3c2412_init_uarts(struct s3c2410_uartcfg *cfg, int no);
 
diff --git a/arch/arm/plat-s3c24xx/include/plat/s3c2443.h b/arch/arm/plat-s3c24xx/include/plat/s3c2443.h
index 11d83b5c84e..815b107ed89 100644
--- a/arch/arm/plat-s3c24xx/include/plat/s3c2443.h
+++ b/arch/arm/plat-s3c24xx/include/plat/s3c2443.h
@@ -16,7 +16,7 @@ struct s3c2410_uartcfg;
 
 extern  int s3c2443_init(void);
 
-extern void s3c2443_map_io(struct map_desc *mach_desc, int size);
+extern void s3c2443_map_io(void);
 
 extern void s3c2443_init_uarts(struct s3c2410_uartcfg *cfg, int no);
 
diff --git a/arch/arm/plat-s3c24xx/include/plat/udc.h b/arch/arm/plat-s3c24xx/include/plat/udc.h
new file mode 100644
index 00000000000..546bb4008f4
--- /dev/null
+++ b/arch/arm/plat-s3c24xx/include/plat/udc.h
@@ -0,0 +1,36 @@
+/* arch/arm/mach-s3c2410/include/mach/udc.h
+ *
+ * Copyright (c) 2005 Arnaud Patard <arnaud.patard@rtp-net.org>
+ *
+ *
+ * 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.
+ *
+ *
+ *  Changelog:
+ *	14-Mar-2005	RTP	Created file
+ *	02-Aug-2005	RTP	File rename
+ *	07-Sep-2005	BJD	Minor cleanups, changed cmd to enum
+ *	18-Jan-2007	HMW	Add per-platform vbus_draw function
+*/
+
+#ifndef __ASM_ARM_ARCH_UDC_H
+#define __ASM_ARM_ARCH_UDC_H
+
+enum s3c2410_udc_cmd_e {
+	S3C2410_UDC_P_ENABLE	= 1,	/* Pull-up enable        */
+	S3C2410_UDC_P_DISABLE	= 2,	/* Pull-up disable       */
+	S3C2410_UDC_P_RESET	= 3,	/* UDC reset, in case of */
+};
+
+struct s3c2410_udc_mach_info {
+	void	(*udc_command)(enum s3c2410_udc_cmd_e);
+ 	void	(*vbus_draw)(unsigned int ma);
+	unsigned int vbus_pin;
+	unsigned char vbus_pin_inverted;
+};
+
+extern void __init s3c24xx_udc_set_platdata(struct s3c2410_udc_mach_info *);
+
+#endif /* __ASM_ARM_ARCH_UDC_H */
diff --git a/arch/arm/plat-s3c24xx/irq.c b/arch/arm/plat-s3c24xx/irq.c
index 963f7a4f26f..0192ecdc144 100644
--- a/arch/arm/plat-s3c24xx/irq.c
+++ b/arch/arm/plat-s3c24xx/irq.c
@@ -62,6 +62,7 @@
 
 #include <asm/mach/irq.h>
 
+#include <plat/regs-irqtype.h>
 #include <mach/regs-irq.h>
 #include <mach/regs-gpio.h>
 
diff --git a/arch/arm/plat-s3c24xx/pm.c b/arch/arm/plat-s3c24xx/pm.c
index 8efb57ad501..34ef18e5b2a 100644
--- a/arch/arm/plat-s3c24xx/pm.c
+++ b/arch/arm/plat-s3c24xx/pm.c
@@ -33,7 +33,6 @@
 #include <linux/interrupt.h>
 #include <linux/crc32.h>
 #include <linux/ioport.h>
-#include <linux/delay.h>
 #include <linux/serial_core.h>
 #include <linux/io.h>
 
@@ -76,11 +75,13 @@ static struct sleep_save core_save[] = {
 	SAVE_ITEM(S3C2410_BANKCON4),
 	SAVE_ITEM(S3C2410_BANKCON5),
 
+#ifndef CONFIG_CPU_FREQ
 	SAVE_ITEM(S3C2410_CLKDIVN),
 	SAVE_ITEM(S3C2410_MPLLCON),
+	SAVE_ITEM(S3C2410_REFRESH),
+#endif
 	SAVE_ITEM(S3C2410_UPLLCON),
 	SAVE_ITEM(S3C2410_CLKSLOW),
-	SAVE_ITEM(S3C2410_REFRESH),
 };
 
 static struct gpio_sleep {
diff --git a/arch/arm/plat-s3c24xx/pwm-clock.c b/arch/arm/plat-s3c24xx/pwm-clock.c
deleted file mode 100644
index 3fad68a1e6b..00000000000
--- a/arch/arm/plat-s3c24xx/pwm-clock.c
+++ /dev/null
@@ -1,437 +0,0 @@
-/* linux/arch/arm/plat-s3c24xx/pwm-clock.c
- *
- * Copyright (c) 2007 Simtec Electronics
- * Copyright (c) 2007, 2008 Ben Dooks
- *	Ben Dooks <ben-linux@fluff.org>
- *
- * 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.
-*/
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/list.h>
-#include <linux/errno.h>
-#include <linux/clk.h>
-#include <linux/err.h>
-#include <linux/io.h>
-
-#include <mach/hardware.h>
-#include <asm/irq.h>
-
-#include <mach/regs-clock.h>
-#include <mach/regs-gpio.h>
-
-#include <plat/clock.h>
-#include <plat/cpu.h>
-
-#include <plat/regs-timer.h>
-
-/* Each of the timers 0 through 5 go through the following
- * clock tree, with the inputs depending on the timers.
- *
- * pclk ---- [ prescaler 0 ] -+---> timer 0
- *			      +---> timer 1
- *
- * pclk ---- [ prescaler 1 ] -+---> timer 2
- *			      +---> timer 3
- *			      \---> timer 4
- *
- * Which are fed into the timers as so:
- *
- * prescaled 0 ---- [ div 2,4,8,16 ] ---\
- *				       [mux] -> timer 0
- * tclk 0 ------------------------------/
- *
- * prescaled 0 ---- [ div 2,4,8,16 ] ---\
- *				       [mux] -> timer 1
- * tclk 0 ------------------------------/
- *
- *
- * prescaled 1 ---- [ div 2,4,8,16 ] ---\
- *				       [mux] -> timer 2
- * tclk 1 ------------------------------/
- *
- * prescaled 1 ---- [ div 2,4,8,16 ] ---\
- *				       [mux] -> timer 3
- * tclk 1 ------------------------------/
- *
- * prescaled 1 ---- [ div 2,4,8, 16 ] --\
- *				       [mux] -> timer 4
- * tclk 1 ------------------------------/
- *
- * Since the mux and the divider are tied together in the
- * same register space, it is impossible to set the parent
- * and the rate at the same time. To avoid this, we add an
- * intermediate 'prescaled-and-divided' clock to select
- * as the parent for the timer input clock called tdiv.
- *
- * prescaled clk --> pwm-tdiv ---\
- *                             [ mux ] --> timer X
- * tclk -------------------------/
-*/
-
-static unsigned long clk_pwm_scaler_getrate(struct clk *clk)
-{
-	unsigned long tcfg0 = __raw_readl(S3C2410_TCFG0);
-
-	if (clk->id == 1) {
-		tcfg0 &= S3C2410_TCFG_PRESCALER1_MASK;
-		tcfg0 >>= S3C2410_TCFG_PRESCALER1_SHIFT;
-	} else {
-		tcfg0 &= S3C2410_TCFG_PRESCALER0_MASK;
-	}
-
-	return clk_get_rate(clk->parent) / (tcfg0 + 1);
-}
-
-/* TODO - add set rate calls. */
-
-static struct clk clk_timer_scaler[] = {
-	[0]	= {
-		.name		= "pwm-scaler0",
-		.id		= -1,
-		.get_rate	= clk_pwm_scaler_getrate,
-	},
-	[1]	= {
-		.name		= "pwm-scaler1",
-		.id		= -1,
-		.get_rate	= clk_pwm_scaler_getrate,
-	},
-};
-
-static struct clk clk_timer_tclk[] = {
-	[0]	= {
-		.name		= "pwm-tclk0",
-		.id		= -1,
-	},
-	[1]	= {
-		.name		= "pwm-tclk1",
-		.id		= -1,
-	},
-};
-
-struct pwm_tdiv_clk {
-	struct clk	clk;
-	unsigned int	divisor;
-};
-
-static inline struct pwm_tdiv_clk *to_tdiv(struct clk *clk)
-{
-	return container_of(clk, struct pwm_tdiv_clk, clk);
-}
-
-static inline unsigned long tcfg_to_divisor(unsigned long tcfg1)
-{
-	return 1 << (1 + tcfg1);
-}
-
-static unsigned long clk_pwm_tdiv_get_rate(struct clk *clk)
-{
-	unsigned long tcfg1 = __raw_readl(S3C2410_TCFG1);
-	unsigned int divisor;
-
-	tcfg1 >>= S3C2410_TCFG1_SHIFT(clk->id);
-	tcfg1 &= S3C2410_TCFG1_MUX_MASK;
-
-	if (tcfg1 == S3C2410_TCFG1_MUX_TCLK)
-		divisor = to_tdiv(clk)->divisor;
-	else
-		divisor = tcfg_to_divisor(tcfg1);
-
-	return clk_get_rate(clk->parent) / divisor;
-}
-
-static unsigned long clk_pwm_tdiv_round_rate(struct clk *clk,
-					     unsigned long rate)
-{
-	unsigned long parent_rate;
-	unsigned long divisor;
-
-	parent_rate = clk_get_rate(clk->parent);
-	divisor = parent_rate / rate;
-
-	if (divisor <= 2)
-		divisor = 2;
-	else if (divisor <= 4)
-		divisor = 4;
-	else if (divisor <= 8)
-		divisor = 8;
-	else
-		divisor = 16;
-
-	return parent_rate / divisor;
-}
-
-static unsigned long clk_pwm_tdiv_bits(struct pwm_tdiv_clk *divclk)
-{
-	unsigned long bits;
-
-	switch (divclk->divisor) {
-	case 2:
-		bits = S3C2410_TCFG1_MUX_DIV2;
-		break;
-	case 4:
-		bits = S3C2410_TCFG1_MUX_DIV4;
-		break;
-	case 8:
-		bits = S3C2410_TCFG1_MUX_DIV8;
-		break;
-	case 16:
-	default:
-		bits = S3C2410_TCFG1_MUX_DIV16;
-		break;
-	}
-
-	return bits;
-}
-
-static void clk_pwm_tdiv_update(struct pwm_tdiv_clk *divclk)
-{
-	unsigned long tcfg1 = __raw_readl(S3C2410_TCFG1);
-	unsigned long bits = clk_pwm_tdiv_bits(divclk);
-	unsigned long flags;
-	unsigned long shift =  S3C2410_TCFG1_SHIFT(divclk->clk.id);
-
-	local_irq_save(flags);
-
-	tcfg1 = __raw_readl(S3C2410_TCFG1);
-	tcfg1 &= ~(S3C2410_TCFG1_MUX_MASK << shift);
-	tcfg1 |= bits << shift;
-	__raw_writel(tcfg1, S3C2410_TCFG1);
-
-	local_irq_restore(flags);
-}
-
-static int clk_pwm_tdiv_set_rate(struct clk *clk, unsigned long rate)
-{
-	struct pwm_tdiv_clk *divclk = to_tdiv(clk);
-	unsigned long tcfg1 = __raw_readl(S3C2410_TCFG1);
-	unsigned long parent_rate = clk_get_rate(clk->parent);
-	unsigned long divisor;
-
-	tcfg1 >>= S3C2410_TCFG1_SHIFT(clk->id);
-	tcfg1 &= S3C2410_TCFG1_MUX_MASK;
-
-	rate = clk_round_rate(clk, rate);
-	divisor = parent_rate / rate;
-
-	if (divisor > 16)
-		return -EINVAL;
-
-	divclk->divisor = divisor;
-
-	/* Update the current MUX settings if we are currently
-	 * selected as the clock source for this clock. */
-
-	if (tcfg1 != S3C2410_TCFG1_MUX_TCLK)
-		clk_pwm_tdiv_update(divclk);
-
-	return 0;
-}
-
-static struct pwm_tdiv_clk clk_timer_tdiv[] = {
-	[0]	= {
-		.clk	= {
-			.name		= "pwm-tdiv",
-			.parent		= &clk_timer_scaler[0],
-			.get_rate	= clk_pwm_tdiv_get_rate,
-			.set_rate	= clk_pwm_tdiv_set_rate,
-			.round_rate	= clk_pwm_tdiv_round_rate,
-		},
-	},
-	[1]	= {
-		.clk	= {
-			.name		= "pwm-tdiv",
-			.parent		= &clk_timer_scaler[0],
-			.get_rate	= clk_pwm_tdiv_get_rate,
-			.set_rate	= clk_pwm_tdiv_set_rate,
-			.round_rate	= clk_pwm_tdiv_round_rate,
-		}
-	},
-	[2]	= {
-		.clk	= {
-			.name		= "pwm-tdiv",
-			.parent		= &clk_timer_scaler[1],
-			.get_rate	= clk_pwm_tdiv_get_rate,
-			.set_rate	= clk_pwm_tdiv_set_rate,
-			.round_rate	= clk_pwm_tdiv_round_rate,
-		},
-	},
-	[3]	= {
-		.clk	= {
-			.name		= "pwm-tdiv",
-			.parent		= &clk_timer_scaler[1],
-			.get_rate	= clk_pwm_tdiv_get_rate,
-			.set_rate	= clk_pwm_tdiv_set_rate,
-			.round_rate	= clk_pwm_tdiv_round_rate,
-		},
-	},
-	[4]	= {
-		.clk	= {
-			.name		= "pwm-tdiv",
-			.parent		= &clk_timer_scaler[1],
-			.get_rate	= clk_pwm_tdiv_get_rate,
-			.set_rate	= clk_pwm_tdiv_set_rate,
-			.round_rate	= clk_pwm_tdiv_round_rate,
-		},
-	},
-};
-
-static int __init clk_pwm_tdiv_register(unsigned int id)
-{
-	struct pwm_tdiv_clk *divclk = &clk_timer_tdiv[id];
-	unsigned long tcfg1 = __raw_readl(S3C2410_TCFG1);
-
-	tcfg1 >>= S3C2410_TCFG1_SHIFT(id);
-	tcfg1 &= S3C2410_TCFG1_MUX_MASK;
-
-	divclk->clk.id = id;
-	divclk->divisor = tcfg_to_divisor(tcfg1);
-
-	return s3c24xx_register_clock(&divclk->clk);
-}
-
-static inline struct clk *s3c24xx_pwmclk_tclk(unsigned int id)
-{
-	return (id >= 2) ? &clk_timer_tclk[1] : &clk_timer_tclk[0];
-}
-
-static inline struct clk *s3c24xx_pwmclk_tdiv(unsigned int id)
-{
-	return &clk_timer_tdiv[id].clk;
-}
-
-static int clk_pwm_tin_set_parent(struct clk *clk, struct clk *parent)
-{
-	unsigned int id = clk->id;
-	unsigned long tcfg1;
-	unsigned long flags;
-	unsigned long bits;
-	unsigned long shift = S3C2410_TCFG1_SHIFT(id);
-
-	if (parent == s3c24xx_pwmclk_tclk(id))
-		bits = S3C2410_TCFG1_MUX_TCLK << shift;
-	else if (parent == s3c24xx_pwmclk_tdiv(id))
-		bits = clk_pwm_tdiv_bits(to_tdiv(parent)) << shift;
-	else
-		return -EINVAL;
-
-	clk->parent = parent;
-
-	local_irq_save(flags);
-
-	tcfg1 = __raw_readl(S3C2410_TCFG1);
-	tcfg1 &= ~(S3C2410_TCFG1_MUX_MASK << shift);
-	__raw_writel(tcfg1 | bits, S3C2410_TCFG1);
-
-	local_irq_restore(flags);
-
-	return 0;
-}
-
-static struct clk clk_tin[] = {
-	[0]	= {
-		.name		= "pwm-tin",
-		.id		= 0,
-		.set_parent	= clk_pwm_tin_set_parent,
-	},
-	[1]	= {
-		.name		= "pwm-tin",
-		.id		= 1,
-		.set_parent	= clk_pwm_tin_set_parent,
-	},
-	[2]	= {
-		.name		= "pwm-tin",
-		.id		= 2,
-		.set_parent	= clk_pwm_tin_set_parent,
-	},
-	[3]	= {
-		.name		= "pwm-tin",
-		.id		= 3,
-		.set_parent	= clk_pwm_tin_set_parent,
-	},
-	[4]	= {
-		.name		= "pwm-tin",
-		.id		= 4,
-		.set_parent	= clk_pwm_tin_set_parent,
-	},
-};
-
-static __init int clk_pwm_tin_register(struct clk *pwm)
-{
-	unsigned long tcfg1 = __raw_readl(S3C2410_TCFG1);
-	unsigned int id = pwm->id;
-
-	struct clk *parent;
-	int ret;
-
-	ret = s3c24xx_register_clock(pwm);
-	if (ret < 0)
-		return ret;
-
-	tcfg1 >>= S3C2410_TCFG1_SHIFT(id);
-	tcfg1 &= S3C2410_TCFG1_MUX_MASK;
-
-	if (tcfg1 == S3C2410_TCFG1_MUX_TCLK)
-		parent = s3c24xx_pwmclk_tclk(id);
-	else
-		parent = s3c24xx_pwmclk_tdiv(id);
-
-	return clk_set_parent(pwm, parent);
-}
-
-static __init int s3c24xx_pwmclk_init(void)
-{
-	struct clk *clk_timers;
-	unsigned int clk;
-	int ret;
-
-	clk_timers = clk_get(NULL, "timers");
-	if (IS_ERR(clk_timers)) {
-		printk(KERN_ERR "%s: no parent clock\n", __func__);
-		return -EINVAL;
-	}
-
-	for (clk = 0; clk < ARRAY_SIZE(clk_timer_scaler); clk++) {
-		clk_timer_scaler[clk].parent = clk_timers;
-		ret = s3c24xx_register_clock(&clk_timer_scaler[clk]);
-		if (ret < 0) {
-			printk(KERN_ERR "error adding pwm scaler%d clock\n", clk);
-			goto err;
-		}
-	}
-
-	for (clk = 0; clk < ARRAY_SIZE(clk_timer_tclk); clk++) {
-		ret = s3c24xx_register_clock(&clk_timer_tclk[clk]);
-		if (ret < 0) {
-			printk(KERN_ERR "error adding pww tclk%d\n", clk);
-			goto err;
-		}
-	}
-
-	for (clk = 0; clk < ARRAY_SIZE(clk_timer_tdiv); clk++) {
-		ret = clk_pwm_tdiv_register(clk);
-		if (ret < 0) {
-			printk(KERN_ERR "error adding pwm%d tdiv clock\n", clk);
-			goto err;
-		}
-	}
-
-	for (clk = 0; clk < ARRAY_SIZE(clk_tin); clk++) {
-		ret = clk_pwm_tin_register(&clk_tin[clk]);
-		if (ret < 0) {
-			printk(KERN_ERR "error adding pwm%d tin clock\n", clk);
-			goto err;
-		}
-	}
-
-	return 0;
-
- err:
-	return ret;
-}
-
-arch_initcall(s3c24xx_pwmclk_init);
diff --git a/arch/arm/plat-s3c24xx/s3c2410-clock.c b/arch/arm/plat-s3c24xx/s3c2410-clock.c
new file mode 100644
index 00000000000..b61bdb79373
--- /dev/null
+++ b/arch/arm/plat-s3c24xx/s3c2410-clock.c
@@ -0,0 +1,277 @@
+/* linux/arch/arm/mach-s3c2410/clock.c
+ *
+ * Copyright (c) 2006 Simtec Electronics
+ *	Ben Dooks <ben@simtec.co.uk>
+ *
+ * S3C2410,S3C2440,S3C2442 Clock control support
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/list.h>
+#include <linux/errno.h>
+#include <linux/err.h>
+#include <linux/sysdev.h>
+#include <linux/clk.h>
+#include <linux/mutex.h>
+#include <linux/delay.h>
+#include <linux/serial_core.h>
+#include <linux/io.h>
+
+#include <asm/mach/map.h>
+
+#include <mach/hardware.h>
+
+#include <plat/regs-serial.h>
+#include <mach/regs-clock.h>
+#include <mach/regs-gpio.h>
+
+#include <plat/s3c2410.h>
+#include <plat/clock.h>
+#include <plat/cpu.h>
+
+int s3c2410_clkcon_enable(struct clk *clk, int enable)
+{
+	unsigned int clocks = clk->ctrlbit;
+	unsigned long clkcon;
+
+	clkcon = __raw_readl(S3C2410_CLKCON);
+
+	if (enable)
+		clkcon |= clocks;
+	else
+		clkcon &= ~clocks;
+
+	/* ensure none of the special function bits set */
+	clkcon &= ~(S3C2410_CLKCON_IDLE|S3C2410_CLKCON_POWER);
+
+	__raw_writel(clkcon, S3C2410_CLKCON);
+
+	return 0;
+}
+
+static int s3c2410_upll_enable(struct clk *clk, int enable)
+{
+	unsigned long clkslow = __raw_readl(S3C2410_CLKSLOW);
+	unsigned long orig = clkslow;
+
+	if (enable)
+		clkslow &= ~S3C2410_CLKSLOW_UCLK_OFF;
+	else
+		clkslow |= S3C2410_CLKSLOW_UCLK_OFF;
+
+	__raw_writel(clkslow, S3C2410_CLKSLOW);
+
+	/* if we started the UPLL, then allow to settle */
+
+	if (enable && (orig & S3C2410_CLKSLOW_UCLK_OFF))
+		udelay(200);
+
+	return 0;
+}
+
+/* standard clock definitions */
+
+static struct clk init_clocks_disable[] = {
+	{
+		.name		= "nand",
+		.id		= -1,
+		.parent		= &clk_h,
+		.enable		= s3c2410_clkcon_enable,
+		.ctrlbit	= S3C2410_CLKCON_NAND,
+	}, {
+		.name		= "sdi",
+		.id		= -1,
+		.parent		= &clk_p,
+		.enable		= s3c2410_clkcon_enable,
+		.ctrlbit	= S3C2410_CLKCON_SDI,
+	}, {
+		.name		= "adc",
+		.id		= -1,
+		.parent		= &clk_p,
+		.enable		= s3c2410_clkcon_enable,
+		.ctrlbit	= S3C2410_CLKCON_ADC,
+	}, {
+		.name		= "i2c",
+		.id		= -1,
+		.parent		= &clk_p,
+		.enable		= s3c2410_clkcon_enable,
+		.ctrlbit	= S3C2410_CLKCON_IIC,
+	}, {
+		.name		= "iis",
+		.id		= -1,
+		.parent		= &clk_p,
+		.enable		= s3c2410_clkcon_enable,
+		.ctrlbit	= S3C2410_CLKCON_IIS,
+	}, {
+		.name		= "spi",
+		.id		= -1,
+		.parent		= &clk_p,
+		.enable		= s3c2410_clkcon_enable,
+		.ctrlbit	= S3C2410_CLKCON_SPI,
+	}
+};
+
+static struct clk init_clocks[] = {
+	{
+		.name		= "lcd",
+		.id		= -1,
+		.parent		= &clk_h,
+		.enable		= s3c2410_clkcon_enable,
+		.ctrlbit	= S3C2410_CLKCON_LCDC,
+	}, {
+		.name		= "gpio",
+		.id		= -1,
+		.parent		= &clk_p,
+		.enable		= s3c2410_clkcon_enable,
+		.ctrlbit	= S3C2410_CLKCON_GPIO,
+	}, {
+		.name		= "usb-host",
+		.id		= -1,
+		.parent		= &clk_h,
+		.enable		= s3c2410_clkcon_enable,
+		.ctrlbit	= S3C2410_CLKCON_USBH,
+	}, {
+		.name		= "usb-device",
+		.id		= -1,
+		.parent		= &clk_h,
+		.enable		= s3c2410_clkcon_enable,
+		.ctrlbit	= S3C2410_CLKCON_USBD,
+	}, {
+		.name		= "timers",
+		.id		= -1,
+		.parent		= &clk_p,
+		.enable		= s3c2410_clkcon_enable,
+		.ctrlbit	= S3C2410_CLKCON_PWMT,
+	}, {
+		.name		= "uart",
+		.id		= 0,
+		.parent		= &clk_p,
+		.enable		= s3c2410_clkcon_enable,
+		.ctrlbit	= S3C2410_CLKCON_UART0,
+	}, {
+		.name		= "uart",
+		.id		= 1,
+		.parent		= &clk_p,
+		.enable		= s3c2410_clkcon_enable,
+		.ctrlbit	= S3C2410_CLKCON_UART1,
+	}, {
+		.name		= "uart",
+		.id		= 2,
+		.parent		= &clk_p,
+		.enable		= s3c2410_clkcon_enable,
+		.ctrlbit	= S3C2410_CLKCON_UART2,
+	}, {
+		.name		= "rtc",
+		.id		= -1,
+		.parent		= &clk_p,
+		.enable		= s3c2410_clkcon_enable,
+		.ctrlbit	= S3C2410_CLKCON_RTC,
+	}, {
+		.name		= "watchdog",
+		.id		= -1,
+		.parent		= &clk_p,
+		.ctrlbit	= 0,
+	}, {
+		.name		= "usb-bus-host",
+		.id		= -1,
+		.parent		= &clk_usb_bus,
+	}, {
+		.name		= "usb-bus-gadget",
+		.id		= -1,
+		.parent		= &clk_usb_bus,
+	},
+};
+
+/* s3c2410_baseclk_add()
+ *
+ * Add all the clocks used by the s3c2410 or compatible CPUs
+ * such as the S3C2440 and S3C2442.
+ *
+ * We cannot use a system device as we are needed before any
+ * of the init-calls that initialise the devices are actually
+ * done.
+*/
+
+int __init s3c2410_baseclk_add(void)
+{
+	unsigned long clkslow = __raw_readl(S3C2410_CLKSLOW);
+	unsigned long clkcon  = __raw_readl(S3C2410_CLKCON);
+	struct clk *clkp;
+	struct clk *xtal;
+	int ret;
+	int ptr;
+
+	clk_upll.enable = s3c2410_upll_enable;
+
+	if (s3c24xx_register_clock(&clk_usb_bus) < 0)
+		printk(KERN_ERR "failed to register usb bus clock\n");
+
+	/* register clocks from clock array */
+
+	clkp = init_clocks;
+	for (ptr = 0; ptr < ARRAY_SIZE(init_clocks); ptr++, clkp++) {
+		/* ensure that we note the clock state */
+
+		clkp->usage = clkcon & clkp->ctrlbit ? 1 : 0;
+
+		ret = s3c24xx_register_clock(clkp);
+		if (ret < 0) {
+			printk(KERN_ERR "Failed to register clock %s (%d)\n",
+			       clkp->name, ret);
+		}
+	}
+
+	/* We must be careful disabling the clocks we are not intending to
+	 * be using at boot time, as subsystems such as the LCD which do
+	 * their own DMA requests to the bus can cause the system to lockup
+	 * if they where in the middle of requesting bus access.
+	 *
+	 * Disabling the LCD clock if the LCD is active is very dangerous,
+	 * and therefore the bootloader should be careful to not enable
+	 * the LCD clock if it is not needed.
+	*/
+
+	/* install (and disable) the clocks we do not need immediately */
+
+	clkp = init_clocks_disable;
+	for (ptr = 0; ptr < ARRAY_SIZE(init_clocks_disable); ptr++, clkp++) {
+
+		ret = s3c24xx_register_clock(clkp);
+		if (ret < 0) {
+			printk(KERN_ERR "Failed to register clock %s (%d)\n",
+			       clkp->name, ret);
+		}
+
+		s3c2410_clkcon_enable(clkp, 0);
+	}
+
+	/* show the clock-slow value */
+
+	xtal = clk_get(NULL, "xtal");
+
+	printk("CLOCK: Slow mode (%ld.%ld MHz), %s, MPLL %s, UPLL %s\n",
+	       print_mhz(clk_get_rate(xtal) /
+			 ( 2 * S3C2410_CLKSLOW_GET_SLOWVAL(clkslow))),
+	       (clkslow & S3C2410_CLKSLOW_SLOW) ? "slow" : "fast",
+	       (clkslow & S3C2410_CLKSLOW_MPLL_OFF) ? "off" : "on",
+	       (clkslow & S3C2410_CLKSLOW_UCLK_OFF) ? "off" : "on");
+
+	s3c_pwmclk_init();
+	return 0;
+}
diff --git a/arch/arm/plat-s3c24xx/s3c244x-clock.c b/arch/arm/plat-s3c24xx/s3c244x-clock.c
index 7c09773ff9f..dde41f171af 100644
--- a/arch/arm/plat-s3c24xx/s3c244x-clock.c
+++ b/arch/arm/plat-s3c24xx/s3c244x-clock.c
@@ -31,7 +31,6 @@
 #include <linux/sysdev.h>
 #include <linux/interrupt.h>
 #include <linux/ioport.h>
-#include <linux/mutex.h>
 #include <linux/clk.h>
 #include <linux/io.h>
 
@@ -102,13 +101,13 @@ static int s3c244x_clk_add(struct sys_device *sysdev)
 	if (clk_get_rate(clock_upll) > (94 * MHZ)) {
 		clk_usb_bus.rate = clk_get_rate(clock_upll) / 2;
 
-		mutex_lock(&clocks_mutex);
+		spin_lock(&clocks_lock);
 
 		clkdivn = __raw_readl(S3C2410_CLKDIVN);
 		clkdivn |= S3C2440_CLKDIVN_UCLK;
 		__raw_writel(clkdivn, S3C2410_CLKDIVN);
 
-		mutex_unlock(&clocks_mutex);
+		spin_unlock(&clocks_lock);
 	}
 
 	return 0;
diff --git a/arch/arm/plat-s3c24xx/s3c244x.c b/arch/arm/plat-s3c24xx/s3c244x.c
index c0344fac4a9..c1de6bb0101 100644
--- a/arch/arm/plat-s3c24xx/s3c244x.c
+++ b/arch/arm/plat-s3c24xx/s3c244x.c
@@ -29,6 +29,8 @@
 #include <mach/hardware.h>
 #include <asm/irq.h>
 
+#include <plat/cpu-freq.h>
+
 #include <mach/regs-clock.h>
 #include <plat/regs-serial.h>
 #include <mach/regs-gpio.h>
@@ -42,6 +44,7 @@
 #include <plat/devs.h>
 #include <plat/cpu.h>
 #include <plat/pm.h>
+#include <plat/pll.h>
 
 static struct map_desc s3c244x_iodesc[] __initdata = {
 	IODESC_ENT(CLKPWR),
@@ -56,32 +59,34 @@ void __init s3c244x_init_uarts(struct s3c2410_uartcfg *cfg, int no)
 	s3c24xx_init_uartdevs("s3c2440-uart", s3c2410_uart_resources, cfg, no);
 }
 
-void __init s3c244x_map_io(struct map_desc *mach_desc, int size)
+void __init s3c244x_map_io(void)
 {
 	/* register our io-tables */
 
 	iotable_init(s3c244x_iodesc, ARRAY_SIZE(s3c244x_iodesc));
-	iotable_init(mach_desc, size);
 
 	/* rename any peripherals used differing from the s3c2410 */
 
 	s3c_device_sdi.name  = "s3c2440-sdi";
-	s3c_device_i2c.name  = "s3c2440-i2c";
+	s3c_device_i2c0.name  = "s3c2440-i2c";
 	s3c_device_nand.name = "s3c2440-nand";
 	s3c_device_usbgadget.name = "s3c2440-usbgadget";
 }
 
-void __init s3c244x_init_clocks(int xtal)
+void __init_or_cpufreq s3c244x_setup_clocks(void)
 {
+	struct clk *xtal_clk;
 	unsigned long clkdiv;
 	unsigned long camdiv;
+	unsigned long xtal;
 	unsigned long hclk, fclk, pclk;
 	int hdiv = 1;
 
-	/* now we've got our machine bits initialised, work out what
-	 * clocks we've got */
+	xtal_clk = clk_get(NULL, "xtal");
+	xtal = clk_get_rate(xtal_clk);
+	clk_put(xtal_clk);
 
-	fclk = s3c2410_get_pll(__raw_readl(S3C2410_MPLLCON), xtal) * 2;
+	fclk = s3c24xx_get_pll(__raw_readl(S3C2410_MPLLCON), xtal) * 2;
 
 	clkdiv = __raw_readl(S3C2410_CLKDIVN);
 	camdiv = __raw_readl(S3C2440_CAMDIVN);
@@ -107,18 +112,24 @@ void __init s3c244x_init_clocks(int xtal)
 	}
 
 	hclk = fclk / hdiv;
-	pclk = hclk / ((clkdiv & S3C2440_CLKDIVN_PDIVN)? 2:1);
+	pclk = hclk / ((clkdiv & S3C2440_CLKDIVN_PDIVN) ? 2 : 1);
 
 	/* print brief summary of clocks, etc */
 
 	printk("S3C244X: core %ld.%03ld MHz, memory %ld.%03ld MHz, peripheral %ld.%03ld MHz\n",
 	       print_mhz(fclk), print_mhz(hclk), print_mhz(pclk));
 
+	s3c24xx_setup_clocks(fclk, hclk, pclk);
+}
+
+void __init s3c244x_init_clocks(int xtal)
+{
 	/* initialise the clocks here, to allow other things like the
 	 * console to use them, and to add new ones after the initialisation
 	 */
 
-	s3c24xx_setup_clocks(xtal, fclk, hclk, pclk);
+	s3c24xx_register_baseclocks(xtal);
+	s3c244x_setup_clocks();
 	s3c2410_baseclk_add();
 }
 
diff --git a/arch/arm/plat-s3c24xx/s3c244x.h b/arch/arm/plat-s3c24xx/s3c244x.h
index f8ed17676a3..6aab5eaae2b 100644
--- a/arch/arm/plat-s3c24xx/s3c244x.h
+++ b/arch/arm/plat-s3c24xx/s3c244x.h
@@ -12,7 +12,7 @@
 
 #if defined(CONFIG_CPU_S3C2440) || defined(CONFIG_CPU_S3C2442)
 
-extern void s3c244x_map_io(struct map_desc *mach_desc, int size);
+extern void s3c244x_map_io(void);
 
 extern void s3c244x_init_uarts(struct s3c2410_uartcfg *cfg, int no);
 
diff --git a/arch/arm/plat-s3c24xx/setup-i2c.c b/arch/arm/plat-s3c24xx/setup-i2c.c
new file mode 100644
index 00000000000..d62b7e7fb35
--- /dev/null
+++ b/arch/arm/plat-s3c24xx/setup-i2c.c
@@ -0,0 +1,25 @@
+/* linux/arch/arm/plat-s3c24xx/setup-i2c.c
+ *
+ * Copyright 2008 Simtec Electronics
+ *	Ben Dooks <ben@simtec.co.uk>
+ *
+ * S3C24XX Base setup for i2c device
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/kernel.h>
+
+struct platform_device;
+
+#include <plat/iic.h>
+#include <mach/hardware.h>
+#include <mach/regs-gpio.h>
+
+void s3c_i2c0_cfg_gpio(struct platform_device *dev)
+{
+	s3c2410_gpio_cfgpin(S3C2410_GPE15, S3C2410_GPE15_IICSDA);
+	s3c2410_gpio_cfgpin(S3C2410_GPE14, S3C2410_GPE14_IICSCL);
+}
diff --git a/arch/arm/plat-s3c24xx/spi-bus0-gpe11_12_13.c b/arch/arm/plat-s3c24xx/spi-bus0-gpe11_12_13.c
new file mode 100644
index 00000000000..8b403cbb53d
--- /dev/null
+++ b/arch/arm/plat-s3c24xx/spi-bus0-gpe11_12_13.c
@@ -0,0 +1,37 @@
+/* linux/arch/arm/plat-s3c24xx/spi-bus0-gpe11_12_13.c
+ *
+ * Copyright (c) 2008 Simtec Electronics
+ *	http://armlinux.simtec.co.uk/
+ *	Ben Dooks <ben@simtec.co.uk>
+ *
+ * S3C24XX SPI - gpio configuration for bus 0 on gpe11,12,13
+ *
+ * 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.
+*/
+
+#include <linux/kernel.h>
+
+#include <mach/hardware.h>
+
+#include <mach/spi.h>
+#include <mach/regs-gpio.h>
+
+void s3c24xx_spi_gpiocfg_bus0_gpe11_12_13(struct s3c2410_spi_info *spi,
+					  int enable)
+{
+	if (enable) {
+		s3c2410_gpio_cfgpin(S3C2410_GPE13, S3C2410_GPE13_SPICLK0);
+		s3c2410_gpio_cfgpin(S3C2410_GPE12, S3C2410_GPE12_SPIMOSI0);
+		s3c2410_gpio_cfgpin(S3C2410_GPE11, S3C2410_GPE11_SPIMISO0);
+		s3c2410_gpio_pullup(S3C2410_GPE11, 0);
+		s3c2410_gpio_pullup(S3C2410_GPE13, 0);
+	} else {
+		s3c2410_gpio_cfgpin(S3C2410_GPE13, S3C2410_GPIO_INPUT);
+		s3c2410_gpio_cfgpin(S3C2410_GPE11, S3C2410_GPIO_INPUT);
+		s3c2410_gpio_pullup(S3C2410_GPE11, 1);
+		s3c2410_gpio_pullup(S3C2410_GPE12, 1);
+		s3c2410_gpio_pullup(S3C2410_GPE13, 1);
+	}
+}
diff --git a/arch/arm/plat-s3c24xx/spi-bus1-gpg5_6_7.c b/arch/arm/plat-s3c24xx/spi-bus1-gpg5_6_7.c
new file mode 100644
index 00000000000..8fccd4e549f
--- /dev/null
+++ b/arch/arm/plat-s3c24xx/spi-bus1-gpg5_6_7.c
@@ -0,0 +1,37 @@
+/* linux/arch/arm/plat-s3c24xx/spi-bus0-gpg5_6_7.c
+ *
+ * Copyright (c) 2008 Simtec Electronics
+ *	http://armlinux.simtec.co.uk/
+ *	Ben Dooks <ben@simtec.co.uk>
+ *
+ * S3C24XX SPI - gpio configuration for bus 1 on gpg5,6,7
+ *
+ * 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.
+*/
+
+#include <linux/kernel.h>
+
+#include <mach/hardware.h>
+
+#include <mach/spi.h>
+#include <mach/regs-gpio.h>
+
+void s3c24xx_spi_gpiocfg_bus1_gpg5_6_7(struct s3c2410_spi_info *spi,
+				       int enable)
+{
+	if (enable) {
+		s3c2410_gpio_cfgpin(S3C2410_GPG7, S3C2410_GPG7_SPICLK1);
+		s3c2410_gpio_cfgpin(S3C2410_GPG6, S3C2410_GPG6_SPIMOSI1);
+		s3c2410_gpio_cfgpin(S3C2410_GPG5, S3C2410_GPG5_SPIMISO1);
+		s3c2410_gpio_pullup(S3C2410_GPG5, 0);
+		s3c2410_gpio_pullup(S3C2410_GPG6, 0);
+	} else {
+		s3c2410_gpio_cfgpin(S3C2410_GPG7, S3C2410_GPIO_INPUT);
+		s3c2410_gpio_cfgpin(S3C2410_GPG5, S3C2410_GPIO_INPUT);
+		s3c2410_gpio_pullup(S3C2410_GPG5, 1);
+		s3c2410_gpio_pullup(S3C2410_GPG6, 1);
+		s3c2410_gpio_pullup(S3C2410_GPG7, 1);
+	}
+}
diff --git a/arch/arm/plat-s3c24xx/time.c b/arch/arm/plat-s3c24xx/time.c
deleted file mode 100644
index c51916236ac..00000000000
--- a/arch/arm/plat-s3c24xx/time.c
+++ /dev/null
@@ -1,260 +0,0 @@
-/* linux/arch/arm/plat-s3c24xx/time.c
- *
- * Copyright (C) 2003-2005 Simtec Electronics
- *	Ben Dooks, <ben@simtec.co.uk>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/irq.h>
-#include <linux/err.h>
-#include <linux/clk.h>
-#include <linux/io.h>
-
-#include <asm/system.h>
-#include <asm/leds.h>
-#include <asm/mach-types.h>
-
-#include <asm/irq.h>
-#include <mach/map.h>
-#include <plat/regs-timer.h>
-#include <mach/regs-irq.h>
-#include <asm/mach/time.h>
-
-#include <plat/clock.h>
-#include <plat/cpu.h>
-
-static unsigned long timer_startval;
-static unsigned long timer_usec_ticks;
-
-#define TIMER_USEC_SHIFT 16
-
-/* we use the shifted arithmetic to work out the ratio of timer ticks
- * to usecs, as often the peripheral clock is not a nice even multiple
- * of 1MHz.
- *
- * shift of 14 and 15 are too low for the 12MHz, 16 seems to be ok
- * for the current HZ value of 200 without producing overflows.
- *
- * Original patch by Dimitry Andric, updated by Ben Dooks
-*/
-
-
-/* timer_mask_usec_ticks
- *
- * given a clock and divisor, make the value to pass into timer_ticks_to_usec
- * to scale the ticks into usecs
-*/
-
-static inline unsigned long
-timer_mask_usec_ticks(unsigned long scaler, unsigned long pclk)
-{
-	unsigned long den = pclk / 1000;
-
-	return ((1000 << TIMER_USEC_SHIFT) * scaler + (den >> 1)) / den;
-}
-
-/* timer_ticks_to_usec
- *
- * convert timer ticks to usec.
-*/
-
-static inline unsigned long timer_ticks_to_usec(unsigned long ticks)
-{
-	unsigned long res;
-
-	res = ticks * timer_usec_ticks;
-	res += 1 << (TIMER_USEC_SHIFT - 4);	/* round up slightly */
-
-	return res >> TIMER_USEC_SHIFT;
-}
-
-/***
- * Returns microsecond  since last clock interrupt.  Note that interrupts
- * will have been disabled by do_gettimeoffset()
- * IRQs are disabled before entering here from do_gettimeofday()
- */
-
-#define SRCPND_TIMER4 (1<<(IRQ_TIMER4 - IRQ_EINT0))
-
-static unsigned long s3c2410_gettimeoffset (void)
-{
-	unsigned long tdone;
-	unsigned long irqpend;
-	unsigned long tval;
-
-	/* work out how many ticks have gone since last timer interrupt */
-
-        tval =  __raw_readl(S3C2410_TCNTO(4));
-	tdone = timer_startval - tval;
-
-	/* check to see if there is an interrupt pending */
-
-	irqpend = __raw_readl(S3C2410_SRCPND);
-	if (irqpend & SRCPND_TIMER4) {
-		/* re-read the timer, and try and fix up for the missed
-		 * interrupt. Note, the interrupt may go off before the
-		 * timer has re-loaded from wrapping.
-		 */
-
-		tval =  __raw_readl(S3C2410_TCNTO(4));
-		tdone = timer_startval - tval;
-
-		if (tval != 0)
-			tdone += timer_startval;
-	}
-
-	return timer_ticks_to_usec(tdone);
-}
-
-
-/*
- * IRQ handler for the timer
- */
-static irqreturn_t
-s3c2410_timer_interrupt(int irq, void *dev_id)
-{
-	timer_tick();
-	return IRQ_HANDLED;
-}
-
-static struct irqaction s3c2410_timer_irq = {
-	.name		= "S3C2410 Timer Tick",
-	.flags		= IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
-	.handler	= s3c2410_timer_interrupt,
-};
-
-#define use_tclk1_12() ( \
-	machine_is_bast()	|| \
-	machine_is_vr1000()	|| \
-	machine_is_anubis()	|| \
-	machine_is_osiris() )
-
-/*
- * Set up timer interrupt, and return the current time in seconds.
- *
- * Currently we only use timer4, as it is the only timer which has no
- * other function that can be exploited externally
- */
-static void s3c2410_timer_setup (void)
-{
-	unsigned long tcon;
-	unsigned long tcnt;
-	unsigned long tcfg1;
-	unsigned long tcfg0;
-
-	tcnt = 0xffff;  /* default value for tcnt */
-
-	/* read the current timer configuration bits */
-
-	tcon = __raw_readl(S3C2410_TCON);
-	tcfg1 = __raw_readl(S3C2410_TCFG1);
-	tcfg0 = __raw_readl(S3C2410_TCFG0);
-
-	/* configure the system for whichever machine is in use */
-
-	if (use_tclk1_12()) {
-		/* timer is at 12MHz, scaler is 1 */
-		timer_usec_ticks = timer_mask_usec_ticks(1, 12000000);
-		tcnt = 12000000 / HZ;
-
-		tcfg1 &= ~S3C2410_TCFG1_MUX4_MASK;
-		tcfg1 |= S3C2410_TCFG1_MUX4_TCLK1;
-	} else {
-		unsigned long pclk;
-		struct clk *clk;
-
-		/* for the h1940 (and others), we use the pclk from the core
-		 * to generate the timer values. since values around 50 to
-		 * 70MHz are not values we can directly generate the timer
-		 * value from, we need to pre-scale and divide before using it.
-		 *
-		 * for instance, using 50.7MHz and dividing by 6 gives 8.45MHz
-		 * (8.45 ticks per usec)
-		 */
-
-		/* this is used as default if no other timer can be found */
-
-		clk = clk_get(NULL, "timers");
-		if (IS_ERR(clk))
-			panic("failed to get clock for system timer");
-
-		clk_enable(clk);
-
-		pclk = clk_get_rate(clk);
-
-		/* configure clock tick */
-
-		timer_usec_ticks = timer_mask_usec_ticks(6, pclk);
-
-		tcfg1 &= ~S3C2410_TCFG1_MUX4_MASK;
-		tcfg1 |= S3C2410_TCFG1_MUX4_DIV2;
-
-		tcfg0 &= ~S3C2410_TCFG_PRESCALER1_MASK;
-		tcfg0 |= ((6 - 1) / 2) << S3C2410_TCFG_PRESCALER1_SHIFT;
-
-		tcnt = (pclk / 6) / HZ;
-	}
-
-	/* timers reload after counting zero, so reduce the count by 1 */
-
-	tcnt--;
-
-	printk("timer tcon=%08lx, tcnt %04lx, tcfg %08lx,%08lx, usec %08lx\n",
-	       tcon, tcnt, tcfg0, tcfg1, timer_usec_ticks);
-
-	/* check to see if timer is within 16bit range... */
-	if (tcnt > 0xffff) {
-		panic("setup_timer: HZ is too small, cannot configure timer!");
-		return;
-	}
-
-	__raw_writel(tcfg1, S3C2410_TCFG1);
-	__raw_writel(tcfg0, S3C2410_TCFG0);
-
-	timer_startval = tcnt;
-	__raw_writel(tcnt, S3C2410_TCNTB(4));
-
-	/* ensure timer is stopped... */
-
-	tcon &= ~(7<<20);
-	tcon |= S3C2410_TCON_T4RELOAD;
-	tcon |= S3C2410_TCON_T4MANUALUPD;
-
-	__raw_writel(tcon, S3C2410_TCON);
-	__raw_writel(tcnt, S3C2410_TCNTB(4));
-	__raw_writel(tcnt, S3C2410_TCMPB(4));
-
-	/* start the timer running */
-	tcon |= S3C2410_TCON_T4START;
-	tcon &= ~S3C2410_TCON_T4MANUALUPD;
-	__raw_writel(tcon, S3C2410_TCON);
-}
-
-static void __init s3c2410_timer_init (void)
-{
-	s3c2410_timer_setup();
-	setup_irq(IRQ_TIMER4, &s3c2410_timer_irq);
-}
-
-struct sys_timer s3c24xx_timer = {
-	.init		= s3c2410_timer_init,
-	.offset		= s3c2410_gettimeoffset,
-	.resume		= s3c2410_timer_setup
-};