Merge branch 'next-s3c64xx' into next-merged

6 files changed, 582 insertions, 0 deletions

diff --git a/arch/arm/plat-s3c64xx/include/plat/irqs.h b/arch/arm/plat-s3c64xx/include/plat/irqs.h
new file mode 100644
index 00000000000..bc25689c3f8
--- /dev/null
+++ b/arch/arm/plat-s3c64xx/include/plat/irqs.h
@@ -0,0 +1,196 @@
+/* linux/arch/arm/plat-s3c64xx/include/mach/irqs.h
+ *
+ * Copyright 2008 Openmoko, Inc.
+ * Copyright 2008 Simtec Electronics
+ *      Ben Dooks <ben@simtec.co.uk>
+ *      http://armlinux.simtec.co.uk/
+ *
+ * S3C64XX - Common IRQ support
+ */
+
+#ifndef __ASM_PLAT_S3C64XX_IRQS_H
+#define __ASM_PLAT_S3C64XX_IRQS_H __FILE__
+
+/* we keep the first set of CPU IRQs out of the range of
+ * the ISA space, so that the PC104 has them to itself
+ * and we don't end up having to do horrible things to the
+ * standard ISA drivers....
+ *
+ * note, since we're using the VICs, our start must be a
+ * mulitple of 32 to allow the common code to work
+ */
+
+#define S3C_IRQ_OFFSET	(32)
+
+#define S3C_IRQ(x)	((x) + S3C_IRQ_OFFSET)
+
+#define S3C_VIC0_BASE	S3C_IRQ(0)
+#define S3C_VIC1_BASE	S3C_IRQ(32)
+
+/* UART interrupts, each UART has 4 intterupts per channel so
+ * use the space between the ISA and S3C main interrupts. Note, these
+ * are not in the same order as the S3C24XX series! */
+
+#define IRQ_S3CUART_BASE0	(16)
+#define IRQ_S3CUART_BASE1	(20)
+#define IRQ_S3CUART_BASE2	(24)
+#define IRQ_S3CUART_BASE3	(28)
+
+#define UART_IRQ_RXD		(0)
+#define UART_IRQ_ERR		(1)
+#define UART_IRQ_TXD		(2)
+#define UART_IRQ_MODEM		(3)
+
+#define IRQ_S3CUART_RX0		(IRQ_S3CUART_BASE0 + UART_IRQ_RXD)
+#define IRQ_S3CUART_TX0		(IRQ_S3CUART_BASE0 + UART_IRQ_TXD)
+#define IRQ_S3CUART_ERR0	(IRQ_S3CUART_BASE0 + UART_IRQ_ERR)
+
+#define IRQ_S3CUART_RX1		(IRQ_S3CUART_BASE1 + UART_IRQ_RXD)
+#define IRQ_S3CUART_TX1		(IRQ_S3CUART_BASE1 + UART_IRQ_TXD)
+#define IRQ_S3CUART_ERR1	(IRQ_S3CUART_BASE1 + UART_IRQ_ERR)
+
+#define IRQ_S3CUART_RX2		(IRQ_S3CUART_BASE2 + UART_IRQ_RXD)
+#define IRQ_S3CUART_TX2		(IRQ_S3CUART_BASE2 + UART_IRQ_TXD)
+#define IRQ_S3CUART_ERR2	(IRQ_S3CUART_BASE2 + UART_IRQ_ERR)
+
+#define IRQ_S3CUART_RX3		(IRQ_S3CUART_BASE3 + UART_IRQ_RXD)
+#define IRQ_S3CUART_TX3		(IRQ_S3CUART_BASE3 + UART_IRQ_TXD)
+#define IRQ_S3CUART_ERR3	(IRQ_S3CUART_BASE3 + UART_IRQ_ERR)
+
+/* VIC based IRQs */
+
+#define S3C64XX_IRQ_VIC0(x)	(S3C_VIC0_BASE + (x))
+#define S3C64XX_IRQ_VIC1(x)	(S3C_VIC1_BASE + (x))
+
+/* VIC0 */
+
+#define IRQ_EINT0_3		S3C64XX_IRQ_VIC0(0)
+#define IRQ_EINT4_11		S3C64XX_IRQ_VIC0(1)
+#define IRQ_RTC_TIC		S3C64XX_IRQ_VIC0(2)
+#define IRQ_CAMIF_C		S3C64XX_IRQ_VIC0(3)
+#define IRQ_CAMIF_P		S3C64XX_IRQ_VIC0(4)
+#define IRQ_CAMIF_MC		S3C64XX_IRQ_VIC0(5)
+#define IRQ_S3C6410_IIS		S3C64XX_IRQ_VIC0(6)
+#define IRQ_S3C6400_CAMIF_MP	S3C64XX_IRQ_VIC0(6)
+#define IRQ_CAMIF_WE_C		S3C64XX_IRQ_VIC0(7)
+#define IRQ_S3C6410_G3D		S3C64XX_IRQ_VIC0(8)
+#define IRQ_S3C6400_CAMIF_WE_P	S3C64XX_IRQ_VIC0(8)
+#define IRQ_POST0		S3C64XX_IRQ_VIC0(9)
+#define IRQ_ROTATOR		S3C64XX_IRQ_VIC0(10)
+#define IRQ_2D			S3C64XX_IRQ_VIC0(11)
+#define IRQ_TVENC		S3C64XX_IRQ_VIC0(12)
+#define IRQ_SCALER		S3C64XX_IRQ_VIC0(13)
+#define IRQ_BATF		S3C64XX_IRQ_VIC0(14)
+#define IRQ_JPEG		S3C64XX_IRQ_VIC0(15)
+#define IRQ_MFC			S3C64XX_IRQ_VIC0(16)
+#define IRQ_SDMA0		S3C64XX_IRQ_VIC0(17)
+#define IRQ_SDMA1		S3C64XX_IRQ_VIC0(18)
+#define IRQ_ARM_DMAERR		S3C64XX_IRQ_VIC0(19)
+#define IRQ_ARM_DMA		S3C64XX_IRQ_VIC0(20)
+#define IRQ_ARM_DMAS		S3C64XX_IRQ_VIC0(21)
+#define IRQ_KEYPAD		S3C64XX_IRQ_VIC0(22)
+#define IRQ_TIMER0_VIC		S3C64XX_IRQ_VIC0(23)
+#define IRQ_TIMER1_VIC		S3C64XX_IRQ_VIC0(24)
+#define IRQ_TIMER2_VIC		S3C64XX_IRQ_VIC0(25)
+#define IRQ_WDT			S3C64XX_IRQ_VIC0(26)
+#define IRQ_TIMER3_VIC		S3C64XX_IRQ_VIC0(27)
+#define IRQ_TIMER4_VIC		S3C64XX_IRQ_VIC0(28)
+#define IRQ_LCD_FIFO		S3C64XX_IRQ_VIC0(29)
+#define IRQ_LCD_VSYNC		S3C64XX_IRQ_VIC0(30)
+#define IRQ_LCD_SYSTEM		S3C64XX_IRQ_VIC0(31)
+
+/* VIC1 */
+
+#define IRQ_EINT12_19		S3C64XX_IRQ_VIC1(0)
+#define IRQ_EINT20_27		S3C64XX_IRQ_VIC1(1)
+#define IRQ_PCM0		S3C64XX_IRQ_VIC1(2)
+#define IRQ_PCM1		S3C64XX_IRQ_VIC1(3)
+#define IRQ_AC97		S3C64XX_IRQ_VIC1(4)
+#define IRQ_UART0		S3C64XX_IRQ_VIC1(5)
+#define IRQ_UART1		S3C64XX_IRQ_VIC1(6)
+#define IRQ_UART2		S3C64XX_IRQ_VIC1(7)
+#define IRQ_UART3		S3C64XX_IRQ_VIC1(8)
+#define IRQ_DMA0		S3C64XX_IRQ_VIC1(9)
+#define IRQ_DMA1		S3C64XX_IRQ_VIC1(10)
+#define IRQ_ONENAND0		S3C64XX_IRQ_VIC1(11)
+#define IRQ_ONENAND1		S3C64XX_IRQ_VIC1(12)
+#define IRQ_NFC			S3C64XX_IRQ_VIC1(13)
+#define IRQ_CFCON		S3C64XX_IRQ_VIC1(14)
+#define IRQ_UHOST		S3C64XX_IRQ_VIC1(15)
+#define IRQ_SPI0		S3C64XX_IRQ_VIC1(16)
+#define IRQ_SPI1		S3C64XX_IRQ_VIC1(17)
+#define IRQ_IIC			S3C64XX_IRQ_VIC1(18)
+#define IRQ_HSItx		S3C64XX_IRQ_VIC1(19)
+#define IRQ_HSIrx		S3C64XX_IRQ_VIC1(20)
+#define IRQ_RESERVED		S3C64XX_IRQ_VIC1(21)
+#define IRQ_MSM			S3C64XX_IRQ_VIC1(22)
+#define IRQ_HOSTIF		S3C64XX_IRQ_VIC1(23)
+#define IRQ_HSMMC0		S3C64XX_IRQ_VIC1(24)
+#define IRQ_HSMMC1		S3C64XX_IRQ_VIC1(25)
+#define IRQ_HSMMC2		IRQ_SPI1	/* shared with SPI1 */
+#define IRQ_OTG			S3C64XX_IRQ_VIC1(26)
+#define IRQ_IRDA		S3C64XX_IRQ_VIC1(27)
+#define IRQ_RTC_ALARM		S3C64XX_IRQ_VIC1(28)
+#define IRQ_SEC			S3C64XX_IRQ_VIC1(29)
+#define IRQ_PENDN		S3C64XX_IRQ_VIC1(30)
+#define IRQ_TC			IRQ_PENDN
+#define IRQ_ADC			S3C64XX_IRQ_VIC1(31)
+
+#define S3C64XX_TIMER_IRQ(x)	S3C_IRQ(64 + (x))
+
+#define IRQ_TIMER0		S3C64XX_TIMER_IRQ(0)
+#define IRQ_TIMER1		S3C64XX_TIMER_IRQ(1)
+#define IRQ_TIMER2		S3C64XX_TIMER_IRQ(2)
+#define IRQ_TIMER3		S3C64XX_TIMER_IRQ(3)
+#define IRQ_TIMER4		S3C64XX_TIMER_IRQ(4)
+
+/* Since the IRQ_EINT(x) are a linear mapping on current s3c64xx series
+ * we just defined them as an IRQ_EINT(x) macro from S3C_IRQ_EINT_BASE
+ * which we place after the pair of VICs. */
+
+#define S3C_IRQ_EINT_BASE	S3C_IRQ(64+5)
+
+#define S3C_EINT(x)		((x) + S3C_IRQ_EINT_BASE)
+#define IRQ_EINT(x)		S3C_EINT(x)
+
+/* Next the external interrupt groups. These are similar to the IRQ_EINT(x)
+ * that they are sourced from the GPIO pins but with a different scheme for
+ * priority and source indication.
+ *
+ * The IRQ_EINT(x) can be thought of as 'group 0' of the available GPIO
+ * interrupts, but for historical reasons they are kept apart from these
+ * next interrupts.
+ *
+ * Use IRQ_EINT_GROUP(group, offset) to get the number for use in the
+ * machine specific support files.
+ */
+
+#define IRQ_EINT_GROUP1_NR	(15)
+#define IRQ_EINT_GROUP2_NR	(8)
+#define IRQ_EINT_GROUP3_NR	(5)
+#define IRQ_EINT_GROUP4_NR	(14)
+#define IRQ_EINT_GROUP5_NR	(7)
+#define IRQ_EINT_GROUP6_NR	(10)
+#define IRQ_EINT_GROUP7_NR	(16)
+#define IRQ_EINT_GROUP8_NR	(15)
+#define IRQ_EINT_GROUP9_NR	(9)
+
+#define IRQ_EINT_GROUP_BASE	S3C_EINT(28)
+#define IRQ_EINT_GROUP1_BASE	(IRQ_EINT_GROUP_BASE + 0x00)
+#define IRQ_EINT_GROUP2_BASE	(IRQ_EINT_GROUP1_BASE + IRQ_EINT_GROUP1_NR)
+#define IRQ_EINT_GROUP3_BASE	(IRQ_EINT_GROUP2_BASE + IRQ_EINT_GROUP2_NR)
+#define IRQ_EINT_GROUP4_BASE	(IRQ_EINT_GROUP3_BASE + IRQ_EINT_GROUP3_NR)
+#define IRQ_EINT_GROUP5_BASE	(IRQ_EINT_GROUP4_BASE + IRQ_EINT_GROUP4_NR)
+#define IRQ_EINT_GROUP6_BASE	(IRQ_EINT_GROUP5_BASE + IRQ_EINT_GROUP5_NR)
+#define IRQ_EINT_GROUP7_BASE	(IRQ_EINT_GROUP6_BASE + IRQ_EINT_GROUP6_NR)
+#define IRQ_EINT_GROUP8_BASE	(IRQ_EINT_GROUP7_BASE + IRQ_EINT_GROUP7_NR)
+#define IRQ_EINT_GROUP9_BASE	(IRQ_EINT_GROUP8_BASE + IRQ_EINT_GROUP8_NR)
+
+#define IRQ_EINT_GROUP(group, no)	(IRQ_EINT_GROUP##group##__BASE + (x))
+
+/* Set the default NR_IRQS */
+
+#define NR_IRQS	(IRQ_EINT_GROUP9_BASE + IRQ_EINT_GROUP9_NR + 1)
+
+#endif /* __ASM_PLAT_S3C64XX_IRQS_H */
+
diff --git a/arch/arm/plat-s3c64xx/include/plat/pll.h b/arch/arm/plat-s3c64xx/include/plat/pll.h
new file mode 100644
index 00000000000..90bbd72fdc4
--- /dev/null
+++ b/arch/arm/plat-s3c64xx/include/plat/pll.h
@@ -0,0 +1,74 @@
+/* arch/arm/plat-s3c64xx/include/plat/pll.h
+ *
+ * Copyright 2008 Openmoko, Inc.
+ * Copyright 2008 Simtec Electronics
+ *	Ben Dooks <ben@simtec.co.uk>
+ *	http://armlinux.simtec.co.uk/
+ *
+ * S3C64XX PLL code
+ *
+ * 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.
+*/
+
+#define S3C6400_PLL_MDIV_MASK	((1 << (25-16+1)) - 1)
+#define S3C6400_PLL_PDIV_MASK	((1 << (13-8+1)) - 1)
+#define S3C6400_PLL_SDIV_MASK	((1 << (2-0+1)) - 1)
+#define S3C6400_PLL_MDIV_SHIFT	(16)
+#define S3C6400_PLL_PDIV_SHIFT	(8)
+#define S3C6400_PLL_SDIV_SHIFT	(0)
+
+#include <asm/div64.h>
+
+static inline unsigned long s3c6400_get_pll(unsigned long baseclk,
+					    u32 pllcon)
+{
+	u32 mdiv, pdiv, sdiv;
+	u64 fvco = baseclk;
+
+	mdiv = (pllcon >> S3C6400_PLL_MDIV_SHIFT) & S3C6400_PLL_MDIV_MASK;
+	pdiv = (pllcon >> S3C6400_PLL_PDIV_SHIFT) & S3C6400_PLL_PDIV_MASK;
+	sdiv = (pllcon >> S3C6400_PLL_SDIV_SHIFT) & S3C6400_PLL_SDIV_MASK;
+
+	fvco *= mdiv;
+	do_div(fvco, (pdiv << sdiv));
+
+	return (unsigned long)fvco;
+}
+
+#define S3C6400_EPLL_MDIV_MASK	((1 << (23-16)) - 1)
+#define S3C6400_EPLL_PDIV_MASK	((1 << (13-8)) - 1)
+#define S3C6400_EPLL_SDIV_MASK	((1 << (2-0)) - 1)
+#define S3C6400_EPLL_MDIV_SHIFT	(16)
+#define S3C6400_EPLL_PDIV_SHIFT	(8)
+#define S3C6400_EPLL_SDIV_SHIFT	(0)
+#define S3C6400_EPLL_KDIV_MASK  (0xffff)
+
+static inline unsigned long s3c6400_get_epll(unsigned long baseclk)
+{
+	unsigned long result;
+	u32 epll0 = __raw_readl(S3C_EPLL_CON0);
+	u32 epll1 = __raw_readl(S3C_EPLL_CON1);
+	u32 mdiv, pdiv, sdiv, kdiv;
+	u64 tmp;
+
+	mdiv = (epll0 >> S3C6400_EPLL_MDIV_SHIFT) & S3C6400_EPLL_MDIV_MASK;
+	pdiv = (epll0 >> S3C6400_EPLL_PDIV_SHIFT) & S3C6400_EPLL_PDIV_MASK;
+	sdiv = (epll0 >> S3C6400_EPLL_SDIV_SHIFT) & S3C6400_EPLL_SDIV_MASK;
+	kdiv = epll1 & S3C6400_EPLL_KDIV_MASK;
+
+	/* We need to multiple baseclk by mdiv (the integer part) and kdiv
+	 * which is in 2^16ths, so shift mdiv up (does not overflow) and
+	 * add kdiv before multiplying. The use of tmp is to avoid any
+	 * overflows before shifting bac down into result when multipling
+	 * by the mdiv and kdiv pair.
+	 */
+
+	tmp = baseclk;
+	tmp *= (mdiv << 16) + kdiv;
+	do_div(tmp, (pdiv << sdiv));
+	result = tmp >> 16;
+
+	return result;
+}
diff --git a/arch/arm/plat-s3c64xx/include/plat/regs-clock.h b/arch/arm/plat-s3c64xx/include/plat/regs-clock.h
new file mode 100644
index 00000000000..b1082c16324
--- /dev/null
+++ b/arch/arm/plat-s3c64xx/include/plat/regs-clock.h
@@ -0,0 +1,224 @@
+/* arch/arm/plat-s3c64xx/include/plat/regs-clock.h
+ *
+ * Copyright 2008 Openmoko, Inc.
+ * Copyright 2008 Simtec Electronics
+ *	Ben Dooks <ben@simtec.co.uk>
+ *	http://armlinux.simtec.co.uk/
+ *
+ * S3C64XX clock register 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 __PLAT_REGS_CLOCK_H
+#define __PLAT_REGS_CLOCK_H __FILE__
+
+#define S3C_CLKREG(x)		(S3C_VA_SYS + (x))
+
+#define S3C_APLL_LOCK		S3C_CLKREG(0x00)
+#define S3C_MPLL_LOCK		S3C_CLKREG(0x04)
+#define S3C_EPLL_LOCK		S3C_CLKREG(0x08)
+#define S3C_APLL_CON		S3C_CLKREG(0x0C)
+#define S3C_MPLL_CON		S3C_CLKREG(0x10)
+#define S3C_EPLL_CON0		S3C_CLKREG(0x14)
+#define S3C_EPLL_CON1		S3C_CLKREG(0x18)
+#define S3C_CLK_SRC		S3C_CLKREG(0x1C)
+#define S3C_CLK_DIV0		S3C_CLKREG(0x20)
+#define S3C_CLK_DIV1		S3C_CLKREG(0x24)
+#define S3C_CLK_DIV2		S3C_CLKREG(0x28)
+#define S3C_CLK_OUT		S3C_CLKREG(0x2C)
+#define S3C_HCLK_GATE		S3C_CLKREG(0x30)
+#define S3C_PCLK_GATE		S3C_CLKREG(0x34)
+#define S3C_SCLK_GATE		S3C_CLKREG(0x38)
+
+/* CLKDIV0 */
+#define S3C6400_CLKDIV0_MFC_MASK	(0xf << 28)
+#define S3C6400_CLKDIV0_MFC_SHIFT	(28)
+#define S3C6400_CLKDIV0_JPEG_MASK	(0xf << 24)
+#define S3C6400_CLKDIV0_JPEG_SHIFT	(24)
+#define S3C6400_CLKDIV0_CAM_MASK	(0xf << 20)
+#define S3C6400_CLKDIV0_CAM_SHIFT	(20)
+#define S3C6400_CLKDIV0_SECURITY_MASK	(0x3 << 18)
+#define S3C6400_CLKDIV0_SECURITY_SHIFT	(18)
+#define S3C6400_CLKDIV0_PCLK_MASK	(0xf << 12)
+#define S3C6400_CLKDIV0_PCLK_SHIFT	(12)
+#define S3C6400_CLKDIV0_HCLK2_MASK	(0x7 << 9)
+#define S3C6400_CLKDIV0_HCLK2_SHIFT	(9)
+#define S3C6400_CLKDIV0_HCLK_MASK	(0x1 << 8)
+#define S3C6400_CLKDIV0_HCLK_SHIFT	(8)
+#define S3C6400_CLKDIV0_MPLL_MASK	(0x1 << 4)
+#define S3C6400_CLKDIV0_MPLL_SHIFT	(4)
+#define S3C6400_CLKDIV0_ARM_MASK	(0x3 << 0)
+#define S3C6410_CLKDIV0_ARM_MASK	(0x7 << 0)
+#define S3C6400_CLKDIV0_ARM_SHIFT	(0)
+
+/* CLKDIV1 */
+#define S3C6410_CLKDIV1_FIMC_MASK	(0xf << 24)
+#define S3C6410_CLKDIV1_FIMC_SHIFT	(24)
+#define S3C6400_CLKDIV1_UHOST_MASK	(0xf << 20)
+#define S3C6400_CLKDIV1_UHOST_SHIFT	(20)
+#define S3C6400_CLKDIV1_SCALER_MASK	(0xf << 16)
+#define S3C6400_CLKDIV1_SCALER_SHIFT	(16)
+#define S3C6400_CLKDIV1_LCD_MASK	(0xf << 12)
+#define S3C6400_CLKDIV1_LCD_SHIFT	(12)
+#define S3C6400_CLKDIV1_MMC2_MASK	(0xf << 8)
+#define S3C6400_CLKDIV1_MMC2_SHIFT	(8)
+#define S3C6400_CLKDIV1_MMC1_MASK	(0xf << 4)
+#define S3C6400_CLKDIV1_MMC1_SHIFT	(4)
+#define S3C6400_CLKDIV1_MMC0_MASK	(0xf << 0)
+#define S3C6400_CLKDIV1_MMC0_SHIFT	(0)
+
+/* CLKDIV2 */
+#define S3C6410_CLKDIV2_AUDIO2_MASK	(0xf << 24)
+#define S3C6410_CLKDIV2_AUDIO2_SHIFT	(24)
+#define S3C6400_CLKDIV2_IRDA_MASK	(0xf << 20)
+#define S3C6400_CLKDIV2_IRDA_SHIFT	(20)
+#define S3C6400_CLKDIV2_UART_MASK	(0xf << 16)
+#define S3C6400_CLKDIV2_UART_SHIFT	(16)
+#define S3C6400_CLKDIV2_AUDIO1_MASK	(0xf << 12)
+#define S3C6400_CLKDIV2_AUDIO1_SHIFT	(12)
+#define S3C6400_CLKDIV2_AUDIO0_MASK	(0xf << 8)
+#define S3C6400_CLKDIV2_AUDIO0_SHIFT	(8)
+#define S3C6400_CLKDIV2_SPI1_MASK	(0xf << 4)
+#define S3C6400_CLKDIV2_SPI1_SHIFT	(4)
+#define S3C6400_CLKDIV2_SPI0_MASK	(0xf << 0)
+#define S3C6400_CLKDIV2_SPI0_SHIFT	(0)
+
+/* HCLK GATE Registers */
+#define S3C_CLKCON_HCLK_BUS	(1<<30)
+#define S3C_CLKCON_HCLK_SECUR	(1<<29)
+#define S3C_CLKCON_HCLK_SDMA1	(1<<28)
+#define S3C_CLKCON_HCLK_SDMA2	(1<<27)
+#define S3C_CLKCON_HCLK_UHOST	(1<<26)
+#define S3C_CLKCON_HCLK_IROM	(1<<25)
+#define S3C_CLKCON_HCLK_DDR1	(1<<24)
+#define S3C_CLKCON_HCLK_DDR0	(1<<23)
+#define S3C_CLKCON_HCLK_MEM1	(1<<22)
+#define S3C_CLKCON_HCLK_MEM0	(1<<21)
+#define S3C_CLKCON_HCLK_USB	(1<<20)
+#define S3C_CLKCON_HCLK_HSMMC2	(1<<19)
+#define S3C_CLKCON_HCLK_HSMMC1	(1<<18)
+#define S3C_CLKCON_HCLK_HSMMC0	(1<<17)
+#define S3C_CLKCON_HCLK_MDP	(1<<16)
+#define S3C_CLKCON_HCLK_DHOST	(1<<15)
+#define S3C_CLKCON_HCLK_IHOST	(1<<14)
+#define S3C_CLKCON_HCLK_DMA1	(1<<13)
+#define S3C_CLKCON_HCLK_DMA0	(1<<12)
+#define S3C_CLKCON_HCLK_JPEG	(1<<11)
+#define S3C_CLKCON_HCLK_CAMIF	(1<<10)
+#define S3C_CLKCON_HCLK_SCALER	(1<<9)
+#define S3C_CLKCON_HCLK_2D	(1<<8)
+#define S3C_CLKCON_HCLK_TV	(1<<7)
+#define S3C_CLKCON_HCLK_POST0	(1<<5)
+#define S3C_CLKCON_HCLK_ROT	(1<<4)
+#define S3C_CLKCON_HCLK_LCD	(1<<3)
+#define S3C_CLKCON_HCLK_TZIC	(1<<2)
+#define S3C_CLKCON_HCLK_INTC	(1<<1)
+#define S3C_CLKCON_HCLK_MFC	(1<<0)
+
+/* PCLK GATE Registers */
+#define S3C6410_CLKCON_PCLK_I2C1	(1<<27)
+#define S3C6410_CLKCON_PCLK_IIS2	(1<<26)
+#define S3C_CLKCON_PCLK_SKEY		(1<<24)
+#define S3C_CLKCON_PCLK_CHIPID		(1<<23)
+#define S3C_CLKCON_PCLK_SPI1		(1<<22)
+#define S3C_CLKCON_PCLK_SPI0		(1<<21)
+#define S3C_CLKCON_PCLK_HSIRX		(1<<20)
+#define S3C_CLKCON_PCLK_HSITX		(1<<19)
+#define S3C_CLKCON_PCLK_GPIO		(1<<18)
+#define S3C_CLKCON_PCLK_IIC		(1<<17)
+#define S3C_CLKCON_PCLK_IIS1		(1<<16)
+#define S3C_CLKCON_PCLK_IIS0		(1<<15)
+#define S3C_CLKCON_PCLK_AC97		(1<<14)
+#define S3C_CLKCON_PCLK_TZPC		(1<<13)
+#define S3C_CLKCON_PCLK_TSADC		(1<<12)
+#define S3C_CLKCON_PCLK_KEYPAD		(1<<11)
+#define S3C_CLKCON_PCLK_IRDA		(1<<10)
+#define S3C_CLKCON_PCLK_PCM1		(1<<9)
+#define S3C_CLKCON_PCLK_PCM0		(1<<8)
+#define S3C_CLKCON_PCLK_PWM		(1<<7)
+#define S3C_CLKCON_PCLK_RTC		(1<<6)
+#define S3C_CLKCON_PCLK_WDT		(1<<5)
+#define S3C_CLKCON_PCLK_UART3		(1<<4)
+#define S3C_CLKCON_PCLK_UART2		(1<<3)
+#define S3C_CLKCON_PCLK_UART1		(1<<2)
+#define S3C_CLKCON_PCLK_UART0		(1<<1)
+#define S3C_CLKCON_PCLK_MFC		(1<<0)
+
+/* SCLK GATE Registers */
+#define S3C_CLKCON_SCLK_UHOST		(1<<30)
+#define S3C_CLKCON_SCLK_MMC2_48		(1<<29)
+#define S3C_CLKCON_SCLK_MMC1_48		(1<<28)
+#define S3C_CLKCON_SCLK_MMC0_48		(1<<27)
+#define S3C_CLKCON_SCLK_MMC2		(1<<26)
+#define S3C_CLKCON_SCLK_MMC1		(1<<25)
+#define S3C_CLKCON_SCLK_MMC0		(1<<24)
+#define S3C_CLKCON_SCLK_SPI1_48 	(1<<23)
+#define S3C_CLKCON_SCLK_SPI0_48 	(1<<22)
+#define S3C_CLKCON_SCLK_SPI1		(1<<21)
+#define S3C_CLKCON_SCLK_SPI0		(1<<20)
+#define S3C_CLKCON_SCLK_DAC27		(1<<19)
+#define S3C_CLKCON_SCLK_TV27		(1<<18)
+#define S3C_CLKCON_SCLK_SCALER27	(1<<17)
+#define S3C_CLKCON_SCLK_SCALER		(1<<16)
+#define S3C_CLKCON_SCLK_LCD27		(1<<15)
+#define S3C_CLKCON_SCLK_LCD		(1<<14)
+#define S3C6400_CLKCON_SCLK_POST1_27	(1<<13)
+#define S3C6410_CLKCON_FIMC		(1<<13)
+#define S3C_CLKCON_SCLK_POST0_27	(1<<12)
+#define S3C6400_CLKCON_SCLK_POST1	(1<<11)
+#define S3C6410_CLKCON_SCLK_AUDIO2	(1<<11)
+#define S3C_CLKCON_SCLK_POST0		(1<<10)
+#define S3C_CLKCON_SCLK_AUDIO1		(1<<9)
+#define S3C_CLKCON_SCLK_AUDIO0		(1<<8)
+#define S3C_CLKCON_SCLK_SECUR		(1<<7)
+#define S3C_CLKCON_SCLK_IRDA		(1<<6)
+#define S3C_CLKCON_SCLK_UART		(1<<5)
+#define S3C_CLKCON_SCLK_ONENAND 	(1<<4)
+#define S3C_CLKCON_SCLK_MFC		(1<<3)
+#define S3C_CLKCON_SCLK_CAM		(1<<2)
+#define S3C_CLKCON_SCLK_JPEG		(1<<1)
+
+/* CLKSRC */
+
+#define S3C6400_CLKSRC_APLL_MOUT	(1 << 0)
+#define S3C6400_CLKSRC_MPLL_MOUT	(1 << 1)
+#define S3C6400_CLKSRC_EPLL_MOUT	(1 << 2)
+#define S3C6400_CLKSRC_APLL_MOUT_SHIFT	(0)
+#define S3C6400_CLKSRC_MPLL_MOUT_SHIFT	(1)
+#define S3C6400_CLKSRC_EPLL_MOUT_SHIFT	(2)
+#define S3C6400_CLKSRC_MFC		(1 << 4)
+
+#define S3C6410_CLKSRC_TV27_MASK	(0x1 << 31)
+#define S3C6410_CLKSRC_TV27_SHIFT	(31)
+#define S3C6410_CLKSRC_DAC27_MASK	(0x1 << 30)
+#define S3C6410_CLKSRC_DAC27_SHIFT	(30)
+#define S3C6400_CLKSRC_SCALER_MASK	(0x3 << 28)
+#define S3C6400_CLKSRC_SCALER_SHIFT	(28)
+#define S3C6400_CLKSRC_LCD_MASK		(0x3 << 26)
+#define S3C6400_CLKSRC_LCD_SHIFT	(26)
+#define S3C6400_CLKSRC_IRDA_MASK	(0x3 << 24)
+#define S3C6400_CLKSRC_IRDA_SHIFT	(24)
+#define S3C6400_CLKSRC_MMC2_MASK	(0x3 << 22)
+#define S3C6400_CLKSRC_MMC2_SHIFT	(22)
+#define S3C6400_CLKSRC_MMC1_MASK	(0x3 << 20)
+#define S3C6400_CLKSRC_MMC1_SHIFT	(20)
+#define S3C6400_CLKSRC_MMC0_MASK	(0x3 << 18)
+#define S3C6400_CLKSRC_MMC0_SHIFT	(18)
+#define S3C6400_CLKSRC_SPI1_MASK	(0x3 << 16)
+#define S3C6400_CLKSRC_SPI1_SHIFT	(16)
+#define S3C6400_CLKSRC_SPI0_MASK	(0x3 << 14)
+#define S3C6400_CLKSRC_SPI0_SHIFT	(14)
+#define S3C6400_CLKSRC_UART_MASK	(0x1 << 13)
+#define S3C6400_CLKSRC_UART_SHIFT	(13)
+#define S3C6400_CLKSRC_AUDIO1_MASK	(0x7 << 10)
+#define S3C6400_CLKSRC_AUDIO1_SHIFT	(10)
+#define S3C6400_CLKSRC_AUDIO0_MASK	(0x7 << 7)
+#define S3C6400_CLKSRC_AUDIO0_SHIFT	(7)
+#define S3C6400_CLKSRC_UHOST_MASK	(0x3 << 5)
+#define S3C6400_CLKSRC_UHOST_SHIFT	(5)
+
+
+#endif /* _PLAT_REGS_CLOCK_H */
diff --git a/arch/arm/plat-s3c64xx/include/plat/regs-sys.h b/arch/arm/plat-s3c64xx/include/plat/regs-sys.h
new file mode 100644
index 00000000000..d8ed8291709
--- /dev/null
+++ b/arch/arm/plat-s3c64xx/include/plat/regs-sys.h
@@ -0,0 +1,24 @@
+/* arch/arm/plat-s3c64xx/include/plat/regs-sys.h
+ *
+ * Copyright 2008 Openmoko, Inc.
+ * Copyright 2008 Simtec Electronics
+ *	Ben Dooks <ben@simtec.co.uk>
+ *	http://armlinux.simtec.co.uk/
+ *
+ * S3C64XX system register 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 __PLAT_REGS_SYS_H
+#define __PLAT_REGS_SYS_H __FILE__
+
+#define S3C_SYSREG(x)		(S3C_VA_SYS + (x))
+
+#define S3C64XX_OTHERS		S3C_SYSREG(0x900)
+
+#define S3C64XX_OTHERS_USBMASK	(1 << 16)
+
+#endif /* _PLAT_REGS_SYS_H */
diff --git a/arch/arm/plat-s3c64xx/include/plat/s3c6400.h b/arch/arm/plat-s3c64xx/include/plat/s3c6400.h
new file mode 100644
index 00000000000..571eaa2e54f
--- /dev/null
+++ b/arch/arm/plat-s3c64xx/include/plat/s3c6400.h
@@ -0,0 +1,35 @@
+/* arch/arm/plat-s3c64xx/include/plat/s3c6400.h
+ *
+ * Copyright 2008 Openmoko, Inc.
+ * Copyright 2008 Simtec Electronics
+ *	Ben Dooks <ben@simtec.co.uk>
+ *	http://armlinux.simtec.co.uk/
+ *
+ * Header file for s3c6400 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.
+*/
+
+/* Common init code for S3C6400 related SoCs */
+
+extern void s3c6400_common_init_uarts(struct s3c2410_uartcfg *cfg, int no);
+extern void s3c6400_register_clocks(void);
+extern void s3c6400_setup_clocks(void);
+
+#ifdef CONFIG_CPU_S3C6400
+
+extern  int s3c6400_init(void);
+extern void s3c6400_map_io(void);
+extern void s3c6400_init_clocks(int xtal);
+
+#define s3c6400_init_uarts s3c6400_common_init_uarts
+
+#else
+#define s3c6400_init_clocks NULL
+#define s3c6400_init_uarts NULL
+#define s3c6400_map_io NULL
+#define s3c6400_init NULL
+#endif
+
diff --git a/arch/arm/plat-s3c64xx/include/plat/s3c6410.h b/arch/arm/plat-s3c64xx/include/plat/s3c6410.h
new file mode 100644
index 00000000000..50dcdd6f680
--- /dev/null
+++ b/arch/arm/plat-s3c64xx/include/plat/s3c6410.h
@@ -0,0 +1,29 @@
+/* arch/arm/plat-s3c64xx/include/plat/s3c6410.h
+ *
+ * Copyright 2008 Openmoko,  Inc.
+ * Copyright 2008 Simtec Electronics
+ *	Ben Dooks <ben@simtec.co.uk>
+ *	http://armlinux.simtec.co.uk/
+ *
+ * Header file for s3c6410 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.
+*/
+
+#ifdef CONFIG_CPU_S3C6410
+
+extern  int s3c6410_init(void);
+extern void s3c6410_init_irq(void);
+extern void s3c6410_map_io(void);
+extern void s3c6410_init_clocks(int xtal);
+
+#define s3c6410_init_uarts s3c6400_common_init_uarts
+
+#else
+#define s3c6410_init_clocks NULL
+#define s3c6410_init_uarts NULL
+#define s3c6410_map_io NULL
+#define s3c6410_init NULL
+#endif