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-rw-r--r--arch/arm/plat-s3c64xx/include/plat/irqs.h196
-rw-r--r--arch/arm/plat-s3c64xx/include/plat/pll.h74
-rw-r--r--arch/arm/plat-s3c64xx/include/plat/regs-clock.h224
-rw-r--r--arch/arm/plat-s3c64xx/include/plat/regs-sys.h24
-rw-r--r--arch/arm/plat-s3c64xx/include/plat/s3c6400.h35
-rw-r--r--arch/arm/plat-s3c64xx/include/plat/s3c6410.h29
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