diff --git a/arch/arm/mach-s3c2410/Kconfig b/arch/arm/mach-s3c2410/Kconfig
index 7b786d725636..b61af3a6a414 100644
--- a/arch/arm/mach-s3c2410/Kconfig
+++ b/arch/arm/mach-s3c2410/Kconfig
@@ -127,6 +127,20 @@ config CPU_S3C2410
 	  Support for S3C2410 and S3C2410A family from the S3C24XX line
 	  of Samsung Mobile CPUs.
 
+# internal node to signify if we are only dealing with an S3C2412
+
+config CPU_S3C2412_ONLY
+	bool
+	depends on ARCH_S3C2410 && !CPU_S3C2400 && !CPU_S3C2410 && \
+		   !CPU_S3C2440 && !CPU_S3C2442 && CPU_S3C2412
+	default y if CPU_S3C2412
+
+config CPU_S3C2412
+	bool
+	depends on ARCH_S3C2410
+	help
+	  Support for the S3C2412 and S3C2413 SoCs from the S3C24XX line
+
 config CPU_S3C244X
 	bool
 	depends on ARCH_S3C2410 && (CPU_S3C2440 || CPU_S3C2442)
diff --git a/arch/arm/mach-s3c2410/Makefile b/arch/arm/mach-s3c2410/Makefile
index 372dbcea1434..86219c6df32c 100644
--- a/arch/arm/mach-s3c2410/Makefile
+++ b/arch/arm/mach-s3c2410/Makefile
@@ -24,6 +24,10 @@ obj-$(CONFIG_S3C2410_DMA)  += dma.o
 obj-$(CONFIG_PM)	   += pm.o sleep.o
 obj-$(CONFIG_PM_SIMTEC)	   += pm-simtec.o
 
+# S3C2412 support
+obj-$(CONFIG_CPU_S3C2412)  += s3c2412.o
+
+#
 # S3C244X support
 
 obj-$(CONFIG_CPU_S3C244X)  += s3c244x.o
diff --git a/arch/arm/mach-s3c2410/cpu.c b/arch/arm/mach-s3c2410/cpu.c
index 52842e6e86e6..1c3c6adae6c4 100644
--- a/arch/arm/mach-s3c2410/cpu.c
+++ b/arch/arm/mach-s3c2410/cpu.c
@@ -44,6 +44,7 @@
 #include "clock.h"
 #include "s3c2400.h"
 #include "s3c2410.h"
+#include "s3c2412.h"
 #include "s3c244x.h"
 #include "s3c2440.h"
 #include "s3c2442.h"
@@ -62,6 +63,7 @@ struct cpu_table {
 
 static const char name_s3c2400[]  = "S3C2400";
 static const char name_s3c2410[]  = "S3C2410";
+static const char name_s3c2412[]  = "S3C2412";
 static const char name_s3c2440[]  = "S3C2440";
 static const char name_s3c2442[]  = "S3C2442";
 static const char name_s3c2410a[] = "S3C2410A";
@@ -113,6 +115,15 @@ static struct cpu_table cpu_ids[] __initdata = {
 		.init		= s3c2442_init,
 		.name		= name_s3c2442
 	},
+	{
+		.idcode		= 0x32412001,
+		.idmask		= 0xffffffff,
+		.map_io		= s3c2412_map_io,
+		.init_clocks	= s3c2412_init_clocks,
+		.init_uarts	= s3c2412_init_uarts,
+		.init		= s3c2412_init,
+		.name		= name_s3c2412,
+	},
 	{
 		.idcode		= 0x0,   /* S3C2400 doesn't have an idcode */
 		.idmask		= 0xffffffff,
@@ -171,6 +182,24 @@ void s3c24xx_set_board(struct s3c24xx_board *b)
 
 static struct cpu_table *cpu;
 
+static unsigned long s3c24xx_read_idcode_v5(void)
+{
+#if defined(CONFIG_CPU_S3C2412) || defined(CONFIG_CPU_S3C2413)
+	return __raw_readl(S3C2412_GSTATUS1);
+#else
+	return 1UL;	/* don't look like an 2400 */
+#endif
+}
+
+static unsigned long s3c24xx_read_idcode_v4(void)
+{
+#ifndef CONFIG_CPU_S3C2400
+	return __raw_readl(S3C2410_GSTATUS1);
+#else
+	return 0UL;
+#endif
+}
+
 void __init s3c24xx_init_io(struct map_desc *mach_desc, int size)
 {
 	unsigned long idcode = 0x0;
@@ -178,9 +207,11 @@ void __init s3c24xx_init_io(struct map_desc *mach_desc, int size)
 	/* initialise the io descriptors we need for initialisation */
 	iotable_init(s3c_iodesc, ARRAY_SIZE(s3c_iodesc));
 
-#ifndef CONFIG_CPU_S3C2400
-	idcode = __raw_readl(S3C2410_GSTATUS1);
-#endif
+	if (cpu_architecture() >= CPU_ARCH_ARMv5) {
+		idcode = s3c24xx_read_idcode_v5();
+	} else {
+		idcode = s3c24xx_read_idcode_v4();
+	}
 
 	cpu = s3c_lookup_cpu(idcode);
 
diff --git a/arch/arm/mach-s3c2410/cpu.h b/arch/arm/mach-s3c2410/cpu.h
index 21c62dc29bb2..b0ed9d2d141b 100644
--- a/arch/arm/mach-s3c2410/cpu.h
+++ b/arch/arm/mach-s3c2410/cpu.h
@@ -74,5 +74,6 @@ 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;
diff --git a/arch/arm/mach-s3c2410/s3c2412.c b/arch/arm/mach-s3c2410/s3c2412.c
new file mode 100644
index 000000000000..e24ffd5e478b
--- /dev/null
+++ b/arch/arm/mach-s3c2410/s3c2412.c
@@ -0,0 +1,195 @@
+/* linux/arch/arm/mach-s3c2410/s3c2412.c
+ *
+ * Copyright (c) 2006 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.
+ *
+ * Modifications:
+ *     16-May-2003 BJD  Created initial version
+ *     16-Aug-2003 BJD  Fixed header files and copyright, added URL
+ *     05-Sep-2003 BJD  Moved to kernel v2.6
+ *     18-Jan-2004 BJD  Added serial port configuration
+ *     21-Aug-2004 BJD  Added new struct s3c2410_board handler
+ *     28-Sep-2004 BJD  Updates for new serial port bits
+ *     04-Nov-2004 BJD  Updated UART configuration process
+ *     10-Jan-2005 BJD  Removed s3c2410_clock_tick_rate
+ *     13-Aug-2005 DA   Removed UART from initial I/O mappings
+*/
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/interrupt.h>
+#include <linux/list.h>
+#include <linux/timer.h>
+#include <linux/init.h>
+#include <linux/sysdev.h>
+#include <linux/platform_device.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include <asm/hardware.h>
+#include <asm/io.h>
+#include <asm/irq.h>
+
+#include <asm/arch/regs-clock.h>
+#include <asm/arch/regs-serial.h>
+#include <asm/arch/regs-gpio.h>
+#include <asm/arch/regs-gpioj.h>
+#include <asm/arch/regs-dsc.h>
+
+#include "s3c2412.h"
+#include "cpu.h"
+#include "devs.h"
+#include "clock.h"
+#include "pm.h"
+
+#ifndef CONFIG_CPU_S3C2412_ONLY
+void __iomem *s3c24xx_va_gpio2 = S3C24XX_VA_GPIO;
+#endif
+
+/* Initial IO mappings */
+
+static struct map_desc s3c2412_iodesc[] __initdata = {
+	IODESC_ENT(CLKPWR),
+	IODESC_ENT(LCD),
+	IODESC_ENT(TIMER),
+	IODESC_ENT(ADC),
+	IODESC_ENT(WATCHDOG),
+};
+
+/* uart registration process */
+
+void __init s3c2412_init_uarts(struct s3c2410_uartcfg *cfg, int no)
+{
+	s3c24xx_init_uartdevs("s3c2412-uart", s3c2410_uart_resources, cfg, no);
+
+	/* rename devices that are s3c2412/s3c2413 specific */
+	s3c_device_sdi.name  = "s3c2412-sdi";
+	s3c_device_nand.name = "s3c2412-nand";
+}
+
+/* s3c2412_map_io
+ *
+ * register the standard cpu IO areas, and any passed in from the
+ * machine specific initialisation.
+*/
+
+void __init s3c2412_map_io(struct map_desc *mach_desc, int mach_size)
+{
+	/* move base of IO */
+
+	s3c24xx_va_gpio2 = S3C24XX_VA_GPIO + 0x10;
+
+	/* register our io-tables */
+
+	iotable_init(s3c2412_iodesc, ARRAY_SIZE(s3c2412_iodesc));
+	iotable_init(mach_desc, mach_size);
+}
+
+void __init s3c2412_init_clocks(int xtal)
+{
+	unsigned long tmp;
+	unsigned long fclk;
+	unsigned long hclk;
+	unsigned long pclk;
+
+	/* now we've got our machine bits initialised, work out what
+	 * clocks we've got */
+
+	fclk = s3c2410_get_pll(__raw_readl(S3C2410_MPLLCON), xtal*2);
+
+	tmp = __raw_readl(S3C2410_CLKDIVN);
+
+	/* work out clock scalings */
+
+	hclk = fclk / ((tmp & S3C2412_CLKDIVN_HDIVN_MASK) + 1);
+	hclk /= ((tmp & S3C2421_CLKDIVN_ARMDIVN) ? 2 : 1);
+	pclk = hclk / ((tmp & S3C2412_CLKDIVN_PDIVN) ? 2 : 1);
+
+	/* print brieft summary of clocks, etc */
+
+	printk("S3C2412: core %ld.%03ld MHz, memory %ld.%03ld MHz, peripheral %ld.%03ld MHz\n",
+	       print_mhz(fclk), print_mhz(hclk), print_mhz(pclk));
+
+	/* initialise the clocks here, to allow other things like the
+	 * console to use them
+	 */
+
+	s3c24xx_setup_clocks(xtal, fclk, hclk, pclk);
+	s3c2412_baseclk_add();
+}
+
+/* need to register class before we actually register the device, and
+ * we also need to ensure that it has been initialised before any of the
+ * drivers even try to use it (even if not on an s3c2412 based system)
+ * as a driver which may support both 2410 and 2440 may try and use it.
+*/
+
+#ifdef CONFIG_PM
+static struct sleep_save s3c2412_sleep[] = {
+	SAVE_ITEM(S3C2412_DSC0),
+	SAVE_ITEM(S3C2412_DSC1),
+	SAVE_ITEM(S3C2413_GPJDAT),
+	SAVE_ITEM(S3C2413_GPJCON),
+	SAVE_ITEM(S3C2413_GPJUP),
+
+	/* save the sleep configuration anyway, just in case these
+	 * get damaged during wakeup */
+
+	SAVE_ITEM(S3C2412_GPBSLPCON),
+	SAVE_ITEM(S3C2412_GPCSLPCON),
+	SAVE_ITEM(S3C2412_GPDSLPCON),
+	SAVE_ITEM(S3C2412_GPESLPCON),
+	SAVE_ITEM(S3C2412_GPFSLPCON),
+	SAVE_ITEM(S3C2412_GPGSLPCON),
+	SAVE_ITEM(S3C2412_GPHSLPCON),
+	SAVE_ITEM(S3C2413_GPJSLPCON),
+};
+
+static int s3c2412_suspend(struct sys_device *dev, pm_message_t state)
+{
+	s3c2410_pm_do_save(s3c2412_sleep, ARRAY_SIZE(s3c2412_sleep));
+	return 0;
+}
+
+static int s3c2412_resume(struct sys_device *dev)
+{
+	s3c2410_pm_do_restore(s3c2412_sleep, ARRAY_SIZE(s3c2412_sleep));
+	return 0;
+}
+
+#else
+#define s3c2412_suspend NULL
+#define s3c2412_resume  NULL
+#endif
+
+struct sysdev_class s3c2412_sysclass = {
+	set_kset_name("s3c2412-core"),
+	.suspend	= s3c2412_suspend,
+	.resume		= s3c2412_resume
+};
+
+static int __init s3c2412_core_init(void)
+{
+	return sysdev_class_register(&s3c2412_sysclass);
+}
+
+core_initcall(s3c2412_core_init);
+
+static struct sys_device s3c2412_sysdev = {
+	.cls		= &s3c2412_sysclass,
+};
+
+int __init s3c2412_init(void)
+{
+	printk("S3C2412: Initialising architecture\n");
+
+	return sysdev_register(&s3c2412_sysdev);
+}
diff --git a/arch/arm/mach-s3c2410/s3c2412.h b/arch/arm/mach-s3c2410/s3c2412.h
new file mode 100644
index 000000000000..c6e56032a6e7
--- /dev/null
+++ b/arch/arm/mach-s3c2410/s3c2412.h
@@ -0,0 +1,29 @@
+/* arch/arm/mach-s3c2410/s3c2412.h
+ *
+ * Copyright (c) 2006 Simtec Electronics
+ *	Ben Dooks <ben@simtec.co.uk>
+ *
+ * Header file for s3c2412 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_S3C2412
+
+extern  int s3c2412_init(void);
+
+extern void s3c2412_map_io(struct map_desc *mach_desc, int size);
+
+extern void s3c2412_init_uarts(struct s3c2410_uartcfg *cfg, int no);
+
+extern void s3c2412_init_clocks(int xtal);
+
+extern  int s3c2412_baseclk_add(void);
+#else
+#define s3c2412_init_clocks NULL
+#define s3c2412_init_uarts NULL
+#define s3c2412_map_io NULL
+#define s3c2412_init NULL
+#endif
diff --git a/include/asm-arm/arch-s3c2410/debug-macro.S b/include/asm-arm/arch-s3c2410/debug-macro.S
index 5f8223e700d3..b7d15d125458 100644
--- a/include/asm-arm/arch-s3c2410/debug-macro.S
+++ b/include/asm-arm/arch-s3c2410/debug-macro.S
@@ -33,7 +33,7 @@
 		.endm
 
 		.macro	senduart,rd,rx
-		str	\rd, [\rx, # S3C2410_UTXH ]
+		strb 	\rd, [\rx, # S3C2410_UTXH ]
 		.endm
 
 		.macro	busyuart, rd, rx
@@ -42,6 +42,12 @@
 		beq	1001f				@
 		@ FIFO enabled...
 1003:
+		@ check for arm920 vs arm926. currently assume all arm926
+		@ devices have an 64 byte FIFO identical to the s3c2440
+		mrc	p15, 0, \rd, c0, c0
+		and	\rd, \rd, #0xff0
+		teq	\rd, #0x260
+		beq	1004f
 		mrc	p15, 0, \rd, c1, c0
 		tst	\rd, #1
 		addeq	\rd, \rx, #(S3C24XX_PA_GPIO - S3C24XX_PA_UART)
@@ -50,7 +56,7 @@
 		ldr	\rd, [ \rd, # S3C2410_GSTATUS1 - S3C2410_GPIOREG(0) ]
 		and	\rd, \rd, #0x00ff0000
 		teq	\rd, #0x00440000		@ is it 2440?
-
+1004:
 		ldr	\rd, [ \rx, # S3C2410_UFSTAT ]
 		moveq	\rd, \rd, lsr #SHIFT_2440TXF
 		tst	\rd, #S3C2410_UFSTAT_TXFULL
diff --git a/include/asm-arm/arch-s3c2410/map.h b/include/asm-arm/arch-s3c2410/map.h
index 5e4c8c37bc66..fae2766ff32b 100644
--- a/include/asm-arm/arch-s3c2410/map.h
+++ b/include/asm-arm/arch-s3c2410/map.h
@@ -236,4 +236,20 @@
 #define S3C24XX_PA_SPI      S3C2410_PA_SPI
 #endif
 
+/* 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_ARCH_MAP_H */
diff --git a/include/asm-arm/arch-s3c2410/regs-dsc.h b/include/asm-arm/arch-s3c2410/regs-dsc.h
index ba13a2c9e547..84aca61cbaa3 100644
--- a/include/asm-arm/arch-s3c2410/regs-dsc.h
+++ b/include/asm-arm/arch-s3c2410/regs-dsc.h
@@ -23,6 +23,9 @@
 #define S3C2440_DSC0	   S3C2410_GPIOREG(0xc4)
 #define S3C2440_DSC1	   S3C2410_GPIOREG(0xc8)
 
+#define S3C2412_DSC0	   S3C2410_GPIOREG(0xdc)
+#define S3C2412_DSC1	   S3C2410_GPIOREG(0xe0)
+
 #define S3C2440_SELECT_DSC0 (0)
 #define S3C2440_SELECT_DSC1 (1<<31)
 
diff --git a/include/asm-arm/arch-s3c2410/regs-gpio.h b/include/asm-arm/arch-s3c2410/regs-gpio.h
index 5f10334f06bf..6dd17f0f84e0 100644
--- a/include/asm-arm/arch-s3c2410/regs-gpio.h
+++ b/include/asm-arm/arch-s3c2410/regs-gpio.h
@@ -45,7 +45,7 @@
 #define S3C24XX_MISCCR        S3C2400_MISCCR
 #else
 #define S3C24XX_GPIO_BASE(x)  S3C2410_GPIO_BASE(x)
-#define S3C24XX_MISCCR        S3C2410_MISCCR
+#define S3C24XX_MISCCR	      S3C24XX_GPIOREG2(0x80)
 #endif /* CONFIG_CPU_S3C2400 */
 
 
@@ -73,9 +73,15 @@
 #define S3C2410_GPIO_SFN2    (0xFFFFFFF2)	/* not available on A */
 #define S3C2410_GPIO_SFN3    (0xFFFFFFF3)	/* not available on A */
 
-/* configure GPIO ports A..G */
+/* register address for the GPIO registers.
+ * S3C24XX_GPIOREG2 is for the second set of registers in the
+ * GPIO which move between s3c2410 and s3c2412 type systems */
 
 #define S3C2410_GPIOREG(x) ((x) + S3C24XX_VA_GPIO)
+#define S3C24XX_GPIOREG2(x) ((x) + S3C24XX_VA_GPIO2)
+
+
+/* configure GPIO ports A..G */
 
 /* port A - S3C2410: 22bits, zero in bit X makes pin X output
  *          S3C2400: 18bits, zero in bit X makes pin X output
@@ -953,11 +959,18 @@
 #define S3C2410_GPH10_OUTP    (0x01 << 20)
 #define S3C2410_GPH10_CLKOUT1 (0x02 << 20)
 
+/* The S3C2412 and S3C2413 move the GPJ register set to after
+ * GPH, which means all registers after 0x80 are now offset by 0x10
+ * for the 2412/2413 from the 2410/2440/2442
+*/
+
 /* miscellaneous control */
 #define S3C2400_MISCCR	   S3C2410_GPIOREG(0x54)
 #define S3C2410_MISCCR	   S3C2410_GPIOREG(0x80)
 #define S3C2410_DCLKCON	   S3C2410_GPIOREG(0x84)
 
+#define S3C24XX_DCLKCON	   S3C24XX_GPIOREG2(0x84)
+
 /* see clock.h for dclk definitions */
 
 /* pullup control on databus */
@@ -985,6 +998,8 @@
 #define S3C2410_MISCCR_CLK0_DCLK0   (5<<4)
 #define S3C2410_MISCCR_CLK0_MASK    (7<<4)
 
+#define S3C2412_MISCCR_CLK0_RTC	    (2<<4)
+
 #define S3C2410_MISCCR_CLK1_MPLL    (0<<8)
 #define S3C2410_MISCCR_CLK1_UPLL    (1<<8)
 #define S3C2410_MISCCR_CLK1_FCLK    (2<<8)
@@ -993,6 +1008,8 @@
 #define S3C2410_MISCCR_CLK1_DCLK1   (5<<8)
 #define S3C2410_MISCCR_CLK1_MASK    (7<<8)
 
+#define S3C2412_MISCCR_CLK1_CLKsrc  (0<<8)
+
 #define S3C2410_MISCCR_USBSUSPND0   (1<<12)
 #define S3C2410_MISCCR_USBSUSPND1   (1<<13)
 
@@ -1000,7 +1017,7 @@
 
 #define S3C2410_MISCCR_nEN_SCLK0    (1<<17)
 #define S3C2410_MISCCR_nEN_SCLK1    (1<<18)
-#define S3C2410_MISCCR_nEN_SCLKE    (1<<19)
+#define S3C2410_MISCCR_nEN_SCLKE    (1<<19)	/* not 2412 */
 #define S3C2410_MISCCR_SDSLEEP	    (7<<17)
 
 /* external interrupt control... */
@@ -1017,6 +1034,10 @@
 #define S3C2410_EXTINT1	   S3C2410_GPIOREG(0x8C)
 #define S3C2410_EXTINT2	   S3C2410_GPIOREG(0x90)
 
+#define S3C24XX_EXTINT0	   S3C24XX_GPIOREG2(0x88)
+#define S3C24XX_EXTINT1	   S3C24XX_GPIOREG2(0x8C)
+#define S3C24XX_EXTINT2	   S3C24XX_GPIOREG2(0x90)
+
 /* values for S3C2410_EXTINT0/1/2 */
 #define S3C2410_EXTINT_LOWLEV	 (0x00)
 #define S3C2410_EXTINT_HILEV	 (0x01)
@@ -1030,6 +1051,11 @@
 #define S3C2410_EINFLT2	   S3C2410_GPIOREG(0x9C)
 #define S3C2410_EINFLT3	   S3C2410_GPIOREG(0xA0)
 
+#define S3C24XX_EINFLT0	   S3C24XX_GPIOREG2(0x94)
+#define S3C24XX_EINFLT1	   S3C24XX_GPIOREG2(0x98)
+#define S3C24XX_EINFLT2	   S3C24XX_GPIOREG2(0x9C)
+#define S3C24XX_EINFLT3	   S3C24XX_GPIOREG2(0xA0)
+
 /* values for interrupt filtering */
 #define S3C2410_EINTFLT_PCLK		(0x00)
 #define S3C2410_EINTFLT_EXTCLK		(1<<7)
@@ -1039,6 +1065,7 @@
 
 /* GSTATUS have miscellaneous information in them
  *
+ * These move between s3c2410 and s3c2412 style systems.
  */
 
 #define S3C2410_GSTATUS0   S3C2410_GPIOREG(0x0AC)
@@ -1047,6 +1074,18 @@
 #define S3C2410_GSTATUS3   S3C2410_GPIOREG(0x0B8)
 #define S3C2410_GSTATUS4   S3C2410_GPIOREG(0x0BC)
 
+#define S3C2412_GSTATUS0   S3C2410_GPIOREG(0x0BC)
+#define S3C2412_GSTATUS1   S3C2410_GPIOREG(0x0C0)
+#define S3C2412_GSTATUS2   S3C2410_GPIOREG(0x0C4)
+#define S3C2412_GSTATUS3   S3C2410_GPIOREG(0x0C8)
+#define S3C2412_GSTATUS4   S3C2410_GPIOREG(0x0CC)
+
+#define S3C24XX_GSTATUS0   S3C24XX_GPIOREG2(0x0AC)
+#define S3C24XX_GSTATUS1   S3C24XX_GPIOREG2(0x0B0)
+#define S3C24XX_GSTATUS2   S3C24XX_GPIOREG2(0x0B4)
+#define S3C24XX_GSTATUS3   S3C24XX_GPIOREG2(0x0B8)
+#define S3C24XX_GSTATUS4   S3C24XX_GPIOREG2(0x0BC)
+
 #define S3C2410_GSTATUS0_nWAIT	   (1<<3)
 #define S3C2410_GSTATUS0_NCON	   (1<<2)
 #define S3C2410_GSTATUS0_RnB	   (1<<1)
@@ -1054,6 +1093,7 @@
 
 #define S3C2410_GSTATUS1_IDMASK	   (0xffff0000)
 #define S3C2410_GSTATUS1_2410	   (0x32410000)
+#define S3C2410_GSTATUS1_2412	   (0x32412001)
 #define S3C2410_GSTATUS1_2440	   (0x32440000)
 #define S3C2410_GSTATUS1_2442	   (0x32440aaa)
 
@@ -1077,5 +1117,22 @@
 #define S3C2400_OPENCR_OPC_MOSIDIS  (0<<5)
 #define S3C2400_OPENCR_OPC_MOSIEN   (1<<5)
 
+/* 2412/2413 sleep configuration registers */
+
+#define S3C2412_GPBSLPCON	S3C2410_GPIOREG(0x1C)
+#define S3C2412_GPCSLPCON	S3C2410_GPIOREG(0x2C)
+#define S3C2412_GPDSLPCON	S3C2410_GPIOREG(0x3C)
+#define S3C2412_GPESLPCON	S3C2410_GPIOREG(0x4C)
+#define S3C2412_GPFSLPCON	S3C2410_GPIOREG(0x5C)
+#define S3C2412_GPGSLPCON	S3C2410_GPIOREG(0x6C)
+#define S3C2412_GPHSLPCON	S3C2410_GPIOREG(0x7C)
+
+/* definitions for each pin bit */
+#define S3C2412_SLPCON_LOW(x)	( 0x00 << ((x) * 2))
+#define S3C2412_SLPCON_HI(x)	( 0x01 << ((x) * 2))
+#define S3C2412_SLPCON_IN(x)	( 0x02 << ((x) * 2))
+#define S3C2412_SLPCON_PDWN(x)	( 0x03 << ((x) * 2))
+#define S3C2412_SLPCON_MASK(x)	( 0x03 << ((x) * 2))
+
 #endif	/* __ASM_ARCH_REGS_GPIO_H */
 
diff --git a/include/asm-arm/arch-s3c2410/regs-gpioj.h b/include/asm-arm/arch-s3c2410/regs-gpioj.h
index 3ad2324acc39..18edae50d0b8 100644
--- a/include/asm-arm/arch-s3c2410/regs-gpioj.h
+++ b/include/asm-arm/arch-s3c2410/regs-gpioj.h
@@ -32,6 +32,11 @@
 #define S3C2440_GPJDAT	    S3C2410_GPIOREG(0xd4)
 #define S3C2440_GPJUP	    S3C2410_GPIOREG(0xd8)
 
+#define S3C2413_GPJCON		S3C2410_GPIOREG(0x80)
+#define S3C2413_GPJDAT		S3C2410_GPIOREG(0x84)
+#define S3C2413_GPJUP		S3C2410_GPIOREG(0x88)
+#define S3C2413_GPJSLPCON	S3C2410_GPIOREG(0x8C)
+
 #define S3C2440_GPJ0            S3C2410_GPIONO(S3C2440_GPIO_BANKJ, 0)
 #define S3C2440_GPJ0_INP        (0x00 << 0)
 #define S3C2440_GPJ0_OUTP       (0x01 << 0)