Merge branch 'next-exynos4' into next-exynos4-pm

75 files changed, 3060 insertions, 1528 deletions

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 166efa2a19cd..b4db99bb4f85 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -760,8 +760,8 @@ config ARCH_S5PV210
 	help
 	  Samsung S5PV210/S5PC110 series based systems
 
-config ARCH_S5PV310
-	bool "Samsung S5PV310/S5PC210"
+config ARCH_EXYNOS4
+	bool "Samsung EXYNOS4"
 	select CPU_V7
 	select ARCH_SPARSEMEM_ENABLE
 	select GENERIC_GPIO
@@ -772,7 +772,7 @@ config ARCH_S5PV310
 	select HAVE_S3C2410_I2C if I2C
 	select HAVE_S3C2410_WATCHDOG if WATCHDOG
 	help
-	  Samsung S5PV310 series based systems
+	  Samsung EXYNOS4 series based systems
 
 config ARCH_SHARK
 	bool "Shark"
@@ -991,7 +991,7 @@ source "arch/arm/mach-s5pc100/Kconfig"
 
 source "arch/arm/mach-s5pv210/Kconfig"
 
-source "arch/arm/mach-s5pv310/Kconfig"
+source "arch/arm/mach-exynos4/Kconfig"
 
 source "arch/arm/mach-shmobile/Kconfig"
 
@@ -1278,7 +1278,7 @@ config SMP
 	depends on GENERIC_CLOCKEVENTS
 	depends on REALVIEW_EB_ARM11MP || REALVIEW_EB_A9MP || \
 		 MACH_REALVIEW_PB11MP || MACH_REALVIEW_PBX || ARCH_OMAP4 || \
-		 ARCH_S5PV310 || ARCH_TEGRA || ARCH_U8500 || ARCH_VEXPRESS_CA9X4 || \
+		 ARCH_EXYNOS4 || ARCH_TEGRA || ARCH_U8500 || ARCH_VEXPRESS_CA9X4 || \
 		 ARCH_MSM_SCORPIONMP || ARCH_SHMOBILE
 	select USE_GENERIC_SMP_HELPERS
 	select HAVE_ARM_SCU if !ARCH_MSM_SCORPIONMP
@@ -1366,7 +1366,7 @@ config LOCAL_TIMERS
 	bool "Use local timer interrupts"
 	depends on SMP
 	default y
-	select HAVE_ARM_TWD if !ARCH_MSM_SCORPIONMP
+	select HAVE_ARM_TWD if (!ARCH_MSM_SCORPIONMP && !EXYNOS4_MCT)
 	help
 	  Enable support for local timers on SMP platforms, rather then the
 	  legacy IPI broadcast method.  Local timers allows the system
@@ -1378,7 +1378,7 @@ source kernel/Kconfig.preempt
 config HZ
 	int
 	default 200 if ARCH_EBSA110 || ARCH_S3C2410 || ARCH_S5P64X0 || \
-		ARCH_S5P6442 || ARCH_S5PV210 || ARCH_S5PV310
+		ARCH_S5P6442 || ARCH_S5PV210 || ARCH_EXYNOS4
 	default OMAP_32K_TIMER_HZ if ARCH_OMAP && OMAP_32K_TIMER
 	default AT91_TIMER_HZ if ARCH_AT91
 	default SHMOBILE_TIMER_HZ if ARCH_SHMOBILE
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index 6f7b29294c80..40aa0225877f 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -178,7 +178,7 @@ machine-$(CONFIG_ARCH_S5P64X0)		:= s5p64x0
 machine-$(CONFIG_ARCH_S5P6442)		:= s5p6442
 machine-$(CONFIG_ARCH_S5PC100)		:= s5pc100
 machine-$(CONFIG_ARCH_S5PV210)		:= s5pv210
-machine-$(CONFIG_ARCH_S5PV310)		:= s5pv310
+machine-$(CONFIG_ARCH_EXYNOS4)		:= exynos4
 machine-$(CONFIG_ARCH_SA1100)		:= sa1100
 machine-$(CONFIG_ARCH_SHARK)		:= shark
 machine-$(CONFIG_ARCH_SHMOBILE) 	:= shmobile
diff --git a/arch/arm/configs/exynos4_defconfig b/arch/arm/configs/exynos4_defconfig
new file mode 100644
index 000000000000..2ffba24d2e2a
--- /dev/null
+++ b/arch/arm/configs/exynos4_defconfig
@@ -0,0 +1,70 @@
+CONFIG_EXPERIMENTAL=y
+CONFIG_BLK_DEV_INITRD=y
+CONFIG_KALLSYMS_ALL=y
+CONFIG_MODULES=y
+CONFIG_MODULE_UNLOAD=y
+# CONFIG_BLK_DEV_BSG is not set
+CONFIG_ARCH_EXYNOS4=y
+CONFIG_S3C_LOWLEVEL_UART_PORT=1
+CONFIG_MACH_SMDKC210=y
+CONFIG_MACH_SMDKV310=y
+CONFIG_MACH_UNIVERSAL_C210=y
+CONFIG_NO_HZ=y
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_SMP=y
+CONFIG_NR_CPUS=2
+CONFIG_HOTPLUG_CPU=y
+CONFIG_PREEMPT=y
+CONFIG_AEABI=y
+CONFIG_CMDLINE="root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M console=ttySAC1,115200 init=/linuxrc mem=256M"
+CONFIG_VFP=y
+CONFIG_NEON=y
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+CONFIG_BLK_DEV_LOOP=y
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_SIZE=8192
+CONFIG_SCSI=y
+CONFIG_BLK_DEV_SD=y
+CONFIG_CHR_DEV_SG=y
+CONFIG_INPUT_EVDEV=y
+# CONFIG_INPUT_KEYBOARD is not set
+# CONFIG_INPUT_MOUSE is not set
+CONFIG_INPUT_TOUCHSCREEN=y
+CONFIG_SERIAL_8250=y
+CONFIG_SERIAL_SAMSUNG=y
+CONFIG_SERIAL_SAMSUNG_CONSOLE=y
+CONFIG_HW_RANDOM=y
+CONFIG_I2C=y
+# CONFIG_HWMON is not set
+# CONFIG_MFD_SUPPORT is not set
+# CONFIG_HID_SUPPORT is not set
+# CONFIG_USB_SUPPORT is not set
+CONFIG_EXT2_FS=y
+CONFIG_MSDOS_FS=y
+CONFIG_VFAT_FS=y
+CONFIG_TMPFS=y
+CONFIG_TMPFS_POSIX_ACL=y
+CONFIG_CRAMFS=y
+CONFIG_ROMFS_FS=y
+CONFIG_PARTITION_ADVANCED=y
+CONFIG_BSD_DISKLABEL=y
+CONFIG_SOLARIS_X86_PARTITION=y
+CONFIG_NLS_CODEPAGE_437=y
+CONFIG_NLS_ASCII=y
+CONFIG_NLS_ISO8859_1=y
+CONFIG_MAGIC_SYSRQ=y
+CONFIG_DEBUG_KERNEL=y
+CONFIG_DETECT_HUNG_TASK=y
+CONFIG_DEBUG_RT_MUTEXES=y
+CONFIG_DEBUG_SPINLOCK=y
+CONFIG_DEBUG_MUTEXES=y
+CONFIG_DEBUG_SPINLOCK_SLEEP=y
+CONFIG_DEBUG_INFO=y
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
+CONFIG_SYSCTL_SYSCALL_CHECK=y
+CONFIG_DEBUG_USER=y
+CONFIG_DEBUG_ERRORS=y
+CONFIG_DEBUG_LL=y
+CONFIG_EARLY_PRINTK=y
+CONFIG_DEBUG_S3C_UART=1
+CONFIG_CRC_CCITT=y
diff --git a/arch/arm/mach-exynos4/Kconfig b/arch/arm/mach-exynos4/Kconfig
new file mode 100644
index 000000000000..82195a9a4c61
--- /dev/null
+++ b/arch/arm/mach-exynos4/Kconfig
@@ -0,0 +1,182 @@
+# arch/arm/mach-exynos4/Kconfig
+#
+# Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
+#		http://www.samsung.com/
+#
+# Licensed under GPLv2
+
+# Configuration options for the EXYNOS4
+
+if ARCH_EXYNOS4
+
+config CPU_EXYNOS4210
+	bool
+	select S3C_PL330_DMA
+	help
+	  Enable EXYNOS4210 CPU support
+
+config EXYNOS4_MCT
+	bool "Kernel timer support by MCT"
+	help
+	  Use MCT (Multi Core Timer) as kernel timers
+
+config EXYNOS4_DEV_PD
+	bool
+	help
+	  Compile in platform device definitions for Power Domain
+
+config EXYNOS4_DEV_SYSMMU
+	bool
+	help
+	  Common setup code for SYSTEM MMU in EXYNOS4
+
+config EXYNOS4_SETUP_I2C1
+	bool
+	help
+	  Common setup code for i2c bus 1.
+
+config EXYNOS4_SETUP_I2C2
+	bool
+	help
+	  Common setup code for i2c bus 2.
+
+config EXYNOS4_SETUP_I2C3
+	bool
+	help
+	  Common setup code for i2c bus 3.
+
+config EXYNOS4_SETUP_I2C4
+	bool
+	help
+	  Common setup code for i2c bus 4.
+
+config EXYNOS4_SETUP_I2C5
+	bool
+	help
+	  Common setup code for i2c bus 5.
+
+config EXYNOS4_SETUP_I2C6
+	bool
+	help
+	  Common setup code for i2c bus 6.
+
+config EXYNOS4_SETUP_I2C7
+	bool
+	help
+	  Common setup code for i2c bus 7.
+
+config EXYNOS4_SETUP_SDHCI
+	bool
+	select EXYNOS4_SETUP_SDHCI_GPIO
+	help
+	  Internal helper functions for EXYNOS4 based SDHCI systems.
+
+config EXYNOS4_SETUP_SDHCI_GPIO
+	bool
+	help
+	  Common setup code for SDHCI gpio.
+
+# machine support
+
+menu "EXYNOS4 Machines"
+
+config MACH_SMDKC210
+	bool "SMDKC210"
+	select CPU_EXYNOS4210
+	select S3C_DEV_RTC
+	select S3C_DEV_WDT
+	select S3C_DEV_I2C1
+	select S3C_DEV_HSMMC
+	select S3C_DEV_HSMMC1
+	select S3C_DEV_HSMMC2
+	select S3C_DEV_HSMMC3
+	select EXYNOS4_DEV_PD
+	select EXYNOS4_DEV_SYSMMU
+	select EXYNOS4_SETUP_I2C1
+	select EXYNOS4_SETUP_SDHCI
+	help
+	  Machine support for Samsung SMDKC210
+
+config MACH_SMDKV310
+	bool "SMDKV310"
+	select CPU_EXYNOS4210
+	select S3C_DEV_RTC
+	select S3C_DEV_WDT
+	select S3C_DEV_I2C1
+	select S3C_DEV_HSMMC
+	select S3C_DEV_HSMMC1
+	select S3C_DEV_HSMMC2
+	select S3C_DEV_HSMMC3
+	select EXYNOS4_DEV_PD
+	select EXYNOS4_DEV_SYSMMU
+	select EXYNOS4_SETUP_I2C1
+	select EXYNOS4_SETUP_SDHCI
+	help
+	  Machine support for Samsung SMDKV310
+
+config MACH_ARMLEX4210
+	bool "ARMLEX4210"
+	select CPU_EXYNOS4210
+	select S3C_DEV_RTC
+	select S3C_DEV_WDT
+	select S3C_DEV_HSMMC
+	select S3C_DEV_HSMMC2
+	select S3C_DEV_HSMMC3
+	select EXYNOS4_DEV_SYSMMU
+	select EXYNOS4_SETUP_SDHCI
+	help
+	  Machine support for Samsung ARMLEX4210 based on EXYNOS4210
+
+config MACH_UNIVERSAL_C210
+	bool "Mobile UNIVERSAL_C210 Board"
+	select CPU_EXYNOS4210
+	select S3C_DEV_HSMMC
+	select S3C_DEV_HSMMC2
+	select S3C_DEV_HSMMC3
+	select S3C_DEV_I2C1
+	select S3C_DEV_I2C5
+	select S5P_DEV_ONENAND
+	select EXYNOS4_SETUP_I2C1
+	select EXYNOS4_SETUP_I2C5
+	select EXYNOS4_SETUP_SDHCI
+	help
+	  Machine support for Samsung Mobile Universal S5PC210 Reference
+	  Board.
+
+config MACH_NURI
+	bool "Mobile NURI Board"
+	select CPU_EXYNOS4210
+	select S3C_DEV_WDT
+	select S3C_DEV_HSMMC
+	select S3C_DEV_HSMMC2
+	select S3C_DEV_HSMMC3
+	select S3C_DEV_I2C1
+	select S3C_DEV_I2C5
+	select EXYNOS4_SETUP_I2C1
+	select EXYNOS4_SETUP_I2C5
+	select EXYNOS4_SETUP_SDHCI
+	select SAMSUNG_DEV_PWM
+	help
+	  Machine support for Samsung Mobile NURI Board.
+
+endmenu
+
+comment "Configuration for HSMMC bus width"
+
+menu "Use 8-bit bus width"
+
+config EXYNOS4_SDHCI_CH0_8BIT
+	bool "Channel 0 with 8-bit bus"
+	help
+	  Support HSMMC Channel 0 8-bit bus.
+	  If selected, Channel 1 is disabled.
+
+config EXYNOS4_SDHCI_CH2_8BIT
+	bool "Channel 2 with 8-bit bus"
+	help
+	  Support HSMMC Channel 2 8-bit bus.
+	  If selected, Channel 3 is disabled.
+
+endmenu
+
+endif
diff --git a/arch/arm/mach-exynos4/Makefile b/arch/arm/mach-exynos4/Makefile
new file mode 100644
index 000000000000..56e367b48fbb
--- /dev/null
+++ b/arch/arm/mach-exynos4/Makefile
@@ -0,0 +1,52 @@
+# arch/arm/mach-exynos4/Makefile
+#
+# Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
+#		http://www.samsung.com/
+#
+# Licensed under GPLv2
+
+obj-y				:=
+obj-m				:=
+obj-n				:=
+obj-				:=
+
+# Core support for EXYNOS4 system
+
+obj-$(CONFIG_CPU_EXYNOS4210)	+= cpu.o init.o clock.o irq-combiner.o
+obj-$(CONFIG_CPU_EXYNOS4210)	+= setup-i2c0.o gpiolib.o irq-eint.o dma.o
+obj-$(CONFIG_CPU_FREQ)		+= cpufreq.o
+
+obj-$(CONFIG_SMP)		+= platsmp.o headsmp.o
+
+ifeq ($(CONFIG_EXYNOS4_MCT),y)
+obj-y				+= mct.o
+else
+obj-y				+= time.o
+obj-$(CONFIG_LOCAL_TIMERS)	+= localtimer.o
+endif
+
+obj-$(CONFIG_HOTPLUG_CPU)	+= hotplug.o
+
+# machine support
+
+obj-$(CONFIG_MACH_SMDKC210)		+= mach-smdkc210.o
+obj-$(CONFIG_MACH_SMDKV310)		+= mach-smdkv310.o
+obj-$(CONFIG_MACH_ARMLEX4210)		+= mach-armlex4210.o
+obj-$(CONFIG_MACH_UNIVERSAL_C210)	+= mach-universal_c210.o
+obj-$(CONFIG_MACH_NURI)			+= mach-nuri.o
+
+# device support
+
+obj-y					+= dev-audio.o
+obj-$(CONFIG_EXYNOS4_DEV_PD)		+= dev-pd.o
+obj-$(CONFIG_EXYNOS4_DEV_SYSMMU)	+= dev-sysmmu.o
+
+obj-$(CONFIG_EXYNOS4_SETUP_I2C1)	+= setup-i2c1.o
+obj-$(CONFIG_EXYNOS4_SETUP_I2C2)	+= setup-i2c2.o
+obj-$(CONFIG_EXYNOS4_SETUP_I2C3)	+= setup-i2c3.o
+obj-$(CONFIG_EXYNOS4_SETUP_I2C4)	+= setup-i2c4.o
+obj-$(CONFIG_EXYNOS4_SETUP_I2C5)	+= setup-i2c5.o
+obj-$(CONFIG_EXYNOS4_SETUP_I2C6)	+= setup-i2c6.o
+obj-$(CONFIG_EXYNOS4_SETUP_I2C7)	+= setup-i2c7.o
+obj-$(CONFIG_EXYNOS4_SETUP_SDHCI)	+= setup-sdhci.o
+obj-$(CONFIG_EXYNOS4_SETUP_SDHCI_GPIO)	+= setup-sdhci-gpio.o
diff --git a/arch/arm/mach-s5pv310/Makefile.boot b/arch/arm/mach-exynos4/Makefile.boot
index d65956ffb43d..d65956ffb43d 100644
--- a/arch/arm/mach-s5pv310/Makefile.boot
+++ b/arch/arm/mach-exynos4/Makefile.boot
diff --git a/arch/arm/mach-s5pv310/clock.c b/arch/arm/mach-exynos4/clock.c
index fc7c2f8d165e..7bf3c4e35d26 100644
--- a/arch/arm/mach-s5pv310/clock.c
+++ b/arch/arm/mach-exynos4/clock.c
@@ -1,9 +1,9 @@
-/* linux/arch/arm/mach-s5pv310/clock.c
+/* linux/arch/arm/mach-exynos4/clock.c
  *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com/
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
  *
- * S5PV310 - Clock support
+ * EXYNOS4 - Clock 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
@@ -46,72 +46,72 @@ static struct clk clk_sclk_usbphy1 = {
 	.id		= -1,
 };
 
-static int s5pv310_clksrc_mask_top_ctrl(struct clk *clk, int enable)
+static int exynos4_clksrc_mask_top_ctrl(struct clk *clk, int enable)
 {
 	return s5p_gatectrl(S5P_CLKSRC_MASK_TOP, clk, enable);
 }
 
-static int s5pv310_clksrc_mask_cam_ctrl(struct clk *clk, int enable)
+static int exynos4_clksrc_mask_cam_ctrl(struct clk *clk, int enable)
 {
 	return s5p_gatectrl(S5P_CLKSRC_MASK_CAM, clk, enable);
 }
 
-static int s5pv310_clksrc_mask_lcd0_ctrl(struct clk *clk, int enable)
+static int exynos4_clksrc_mask_lcd0_ctrl(struct clk *clk, int enable)
 {
 	return s5p_gatectrl(S5P_CLKSRC_MASK_LCD0, clk, enable);
 }
 
-static int s5pv310_clksrc_mask_lcd1_ctrl(struct clk *clk, int enable)
+static int exynos4_clksrc_mask_lcd1_ctrl(struct clk *clk, int enable)
 {
 	return s5p_gatectrl(S5P_CLKSRC_MASK_LCD1, clk, enable);
 }
 
-static int s5pv310_clksrc_mask_fsys_ctrl(struct clk *clk, int enable)
+static int exynos4_clksrc_mask_fsys_ctrl(struct clk *clk, int enable)
 {
 	return s5p_gatectrl(S5P_CLKSRC_MASK_FSYS, clk, enable);
 }
 
-static int s5pv310_clksrc_mask_peril0_ctrl(struct clk *clk, int enable)
+static int exynos4_clksrc_mask_peril0_ctrl(struct clk *clk, int enable)
 {
 	return s5p_gatectrl(S5P_CLKSRC_MASK_PERIL0, clk, enable);
 }
 
-static int s5pv310_clksrc_mask_peril1_ctrl(struct clk *clk, int enable)
+static int exynos4_clksrc_mask_peril1_ctrl(struct clk *clk, int enable)
 {
 	return s5p_gatectrl(S5P_CLKSRC_MASK_PERIL1, clk, enable);
 }
 
-static int s5pv310_clk_ip_cam_ctrl(struct clk *clk, int enable)
+static int exynos4_clk_ip_cam_ctrl(struct clk *clk, int enable)
 {
 	return s5p_gatectrl(S5P_CLKGATE_IP_CAM, clk, enable);
 }
 
-static int s5pv310_clk_ip_image_ctrl(struct clk *clk, int enable)
+static int exynos4_clk_ip_image_ctrl(struct clk *clk, int enable)
 {
 	return s5p_gatectrl(S5P_CLKGATE_IP_IMAGE, clk, enable);
 }
 
-static int s5pv310_clk_ip_lcd0_ctrl(struct clk *clk, int enable)
+static int exynos4_clk_ip_lcd0_ctrl(struct clk *clk, int enable)
 {
 	return s5p_gatectrl(S5P_CLKGATE_IP_LCD0, clk, enable);
 }
 
-static int s5pv310_clk_ip_lcd1_ctrl(struct clk *clk, int enable)
+static int exynos4_clk_ip_lcd1_ctrl(struct clk *clk, int enable)
 {
 	return s5p_gatectrl(S5P_CLKGATE_IP_LCD1, clk, enable);
 }
 
-static int s5pv310_clk_ip_fsys_ctrl(struct clk *clk, int enable)
+static int exynos4_clk_ip_fsys_ctrl(struct clk *clk, int enable)
 {
 	return s5p_gatectrl(S5P_CLKGATE_IP_FSYS, clk, enable);
 }
 
-static int s5pv310_clk_ip_peril_ctrl(struct clk *clk, int enable)
+static int exynos4_clk_ip_peril_ctrl(struct clk *clk, int enable)
 {
 	return s5p_gatectrl(S5P_CLKGATE_IP_PERIL, clk, enable);
 }
 
-static int s5pv310_clk_ip_perir_ctrl(struct clk *clk, int enable)
+static int exynos4_clk_ip_perir_ctrl(struct clk *clk, int enable)
 {
 	return s5p_gatectrl(S5P_CLKGATE_IP_PERIR, clk, enable);
 }
@@ -358,7 +358,7 @@ static struct clksrc_clk clk_vpllsrc = {
 	.clk	= {
 		.name		= "vpll_src",
 		.id		= -1,
-		.enable		= s5pv310_clksrc_mask_top_ctrl,
+		.enable		= exynos4_clksrc_mask_top_ctrl,
 		.ctrlbit	= (1 << 0),
 	},
 	.sources	= &clkset_vpllsrc,
@@ -389,205 +389,206 @@ static struct clk init_clocks_off[] = {
 		.name		= "timers",
 		.id		= -1,
 		.parent		= &clk_aclk_100.clk,
-		.enable		= s5pv310_clk_ip_peril_ctrl,
+		.enable		= exynos4_clk_ip_peril_ctrl,
 		.ctrlbit	= (1<<24),
 	}, {
 		.name		= "csis",
 		.id		= 0,
-		.enable		= s5pv310_clk_ip_cam_ctrl,
+		.enable		= exynos4_clk_ip_cam_ctrl,
 		.ctrlbit	= (1 << 4),
 	}, {
 		.name		= "csis",
 		.id		= 1,
-		.enable		= s5pv310_clk_ip_cam_ctrl,
+		.enable		= exynos4_clk_ip_cam_ctrl,
 		.ctrlbit	= (1 << 5),
 	}, {
 		.name		= "fimc",
 		.id		= 0,
-		.enable		= s5pv310_clk_ip_cam_ctrl,
+		.enable		= exynos4_clk_ip_cam_ctrl,
 		.ctrlbit	= (1 << 0),
 	}, {
 		.name		= "fimc",
 		.id		= 1,
-		.enable		= s5pv310_clk_ip_cam_ctrl,
+		.enable		= exynos4_clk_ip_cam_ctrl,
 		.ctrlbit	= (1 << 1),
 	}, {
 		.name		= "fimc",
 		.id		= 2,
-		.enable		= s5pv310_clk_ip_cam_ctrl,
+		.enable		= exynos4_clk_ip_cam_ctrl,
 		.ctrlbit	= (1 << 2),
 	}, {
 		.name		= "fimc",
 		.id		= 3,
-		.enable		= s5pv310_clk_ip_cam_ctrl,
+		.enable		= exynos4_clk_ip_cam_ctrl,
 		.ctrlbit	= (1 << 3),
 	}, {
 		.name		= "fimd",
 		.id		= 0,
-		.enable		= s5pv310_clk_ip_lcd0_ctrl,
+		.enable		= exynos4_clk_ip_lcd0_ctrl,
 		.ctrlbit	= (1 << 0),
 	}, {
 		.name		= "fimd",
 		.id		= 1,
-		.enable		= s5pv310_clk_ip_lcd1_ctrl,
+		.enable		= exynos4_clk_ip_lcd1_ctrl,
 		.ctrlbit	= (1 << 0),
 	}, {
 		.name		= "hsmmc",
 		.id		= 0,
 		.parent		= &clk_aclk_133.clk,
-		.enable		= s5pv310_clk_ip_fsys_ctrl,
+		.enable		= exynos4_clk_ip_fsys_ctrl,
 		.ctrlbit	= (1 << 5),
 	}, {
 		.name		= "hsmmc",
 		.id		= 1,
 		.parent		= &clk_aclk_133.clk,
-		.enable		= s5pv310_clk_ip_fsys_ctrl,
+		.enable		= exynos4_clk_ip_fsys_ctrl,
 		.ctrlbit	= (1 << 6),
 	}, {
 		.name		= "hsmmc",
 		.id		= 2,
 		.parent		= &clk_aclk_133.clk,
-		.enable		= s5pv310_clk_ip_fsys_ctrl,
+		.enable		= exynos4_clk_ip_fsys_ctrl,
 		.ctrlbit	= (1 << 7),
 	}, {
 		.name		= "hsmmc",
 		.id		= 3,
 		.parent		= &clk_aclk_133.clk,
-		.enable		= s5pv310_clk_ip_fsys_ctrl,
+		.enable		= exynos4_clk_ip_fsys_ctrl,
 		.ctrlbit	= (1 << 8),
 	}, {
 		.name		= "hsmmc",
 		.id		= 4,
 		.parent		= &clk_aclk_133.clk,
-		.enable		= s5pv310_clk_ip_fsys_ctrl,
+		.enable		= exynos4_clk_ip_fsys_ctrl,
 		.ctrlbit	= (1 << 9),
 	}, {
 		.name		= "sata",
 		.id		= -1,
-		.enable		= s5pv310_clk_ip_fsys_ctrl,
+		.enable		= exynos4_clk_ip_fsys_ctrl,
 		.ctrlbit	= (1 << 10),
 	}, {
 		.name		= "pdma",
 		.id		= 0,
-		.enable		= s5pv310_clk_ip_fsys_ctrl,
+		.enable		= exynos4_clk_ip_fsys_ctrl,
 		.ctrlbit	= (1 << 0),
 	}, {
 		.name		= "pdma",
 		.id		= 1,
-		.enable		= s5pv310_clk_ip_fsys_ctrl,
+		.enable		= exynos4_clk_ip_fsys_ctrl,
 		.ctrlbit	= (1 << 1),
 	}, {
 		.name		= "adc",
 		.id		= -1,
-		.enable		= s5pv310_clk_ip_peril_ctrl,
+		.enable		= exynos4_clk_ip_peril_ctrl,
 		.ctrlbit	= (1 << 15),
 	}, {
 		.name		= "rtc",
 		.id		= -1,
-		.enable		= s5pv310_clk_ip_perir_ctrl,
+		.enable		= exynos4_clk_ip_perir_ctrl,
 		.ctrlbit	= (1 << 15),
 	}, {
 		.name		= "watchdog",
 		.id		= -1,
-		.enable		= s5pv310_clk_ip_perir_ctrl,
+		.parent		= &clk_aclk_100.clk,
+		.enable		= exynos4_clk_ip_perir_ctrl,
 		.ctrlbit	= (1 << 14),
 	}, {
 		.name		= "usbhost",
 		.id		= -1,
-		.enable		= s5pv310_clk_ip_fsys_ctrl ,
+		.enable		= exynos4_clk_ip_fsys_ctrl ,
 		.ctrlbit	= (1 << 12),
 	}, {
 		.name		= "otg",
 		.id		= -1,
-		.enable		= s5pv310_clk_ip_fsys_ctrl,
+		.enable		= exynos4_clk_ip_fsys_ctrl,
 		.ctrlbit	= (1 << 13),
 	}, {
 		.name		= "spi",
 		.id		= 0,
-		.enable		= s5pv310_clk_ip_peril_ctrl,
+		.enable		= exynos4_clk_ip_peril_ctrl,
 		.ctrlbit	= (1 << 16),
 	}, {
 		.name		= "spi",
 		.id		= 1,
-		.enable		= s5pv310_clk_ip_peril_ctrl,
+		.enable		= exynos4_clk_ip_peril_ctrl,
 		.ctrlbit	= (1 << 17),
 	}, {
 		.name		= "spi",
 		.id		= 2,
-		.enable		= s5pv310_clk_ip_peril_ctrl,
+		.enable		= exynos4_clk_ip_peril_ctrl,
 		.ctrlbit	= (1 << 18),
 	}, {
 		.name		= "iis",
 		.id		= 0,
-		.enable		= s5pv310_clk_ip_peril_ctrl,
+		.enable		= exynos4_clk_ip_peril_ctrl,
 		.ctrlbit	= (1 << 19),
 	}, {
 		.name		= "iis",
 		.id		= 1,
-		.enable		= s5pv310_clk_ip_peril_ctrl,
+		.enable		= exynos4_clk_ip_peril_ctrl,
 		.ctrlbit	= (1 << 20),
 	}, {
 		.name		= "iis",
 		.id		= 2,
-		.enable		= s5pv310_clk_ip_peril_ctrl,
+		.enable		= exynos4_clk_ip_peril_ctrl,
 		.ctrlbit	= (1 << 21),
 	}, {
 		.name		= "ac97",
 		.id		= -1,
-		.enable		= s5pv310_clk_ip_peril_ctrl,
+		.enable		= exynos4_clk_ip_peril_ctrl,
 		.ctrlbit	= (1 << 27),
 	}, {
 		.name		= "fimg2d",
 		.id		= -1,
-		.enable		= s5pv310_clk_ip_image_ctrl,
+		.enable		= exynos4_clk_ip_image_ctrl,
 		.ctrlbit	= (1 << 0),
 	}, {
 		.name		= "i2c",
 		.id		= 0,
 		.parent		= &clk_aclk_100.clk,
-		.enable		= s5pv310_clk_ip_peril_ctrl,
+		.enable		= exynos4_clk_ip_peril_ctrl,
 		.ctrlbit	= (1 << 6),
 	}, {
 		.name		= "i2c",
 		.id		= 1,
 		.parent		= &clk_aclk_100.clk,
-		.enable		= s5pv310_clk_ip_peril_ctrl,
+		.enable		= exynos4_clk_ip_peril_ctrl,
 		.ctrlbit	= (1 << 7),
 	}, {
 		.name		= "i2c",
 		.id		= 2,
 		.parent		= &clk_aclk_100.clk,
-		.enable		= s5pv310_clk_ip_peril_ctrl,
+		.enable		= exynos4_clk_ip_peril_ctrl,
 		.ctrlbit	= (1 << 8),
 	}, {
 		.name		= "i2c",
 		.id		= 3,
 		.parent		= &clk_aclk_100.clk,
-		.enable		= s5pv310_clk_ip_peril_ctrl,
+		.enable		= exynos4_clk_ip_peril_ctrl,
 		.ctrlbit	= (1 << 9),
 	}, {
 		.name		= "i2c",
 		.id		= 4,
 		.parent		= &clk_aclk_100.clk,
-		.enable		= s5pv310_clk_ip_peril_ctrl,
+		.enable		= exynos4_clk_ip_peril_ctrl,
 		.ctrlbit	= (1 << 10),
 	}, {
 		.name		= "i2c",
 		.id		= 5,
 		.parent		= &clk_aclk_100.clk,
-		.enable		= s5pv310_clk_ip_peril_ctrl,
+		.enable		= exynos4_clk_ip_peril_ctrl,
 		.ctrlbit	= (1 << 11),
 	}, {
 		.name		= "i2c",
 		.id		= 6,
 		.parent		= &clk_aclk_100.clk,
-		.enable		= s5pv310_clk_ip_peril_ctrl,
+		.enable		= exynos4_clk_ip_peril_ctrl,
 		.ctrlbit	= (1 << 12),
 	}, {
 		.name		= "i2c",
 		.id		= 7,
 		.parent		= &clk_aclk_100.clk,
-		.enable		= s5pv310_clk_ip_peril_ctrl,
+		.enable		= exynos4_clk_ip_peril_ctrl,
 		.ctrlbit	= (1 << 13),
 	},
 };
@@ -596,32 +597,32 @@ static struct clk init_clocks[] = {
 	{
 		.name		= "uart",
 		.id		= 0,
-		.enable		= s5pv310_clk_ip_peril_ctrl,
+		.enable		= exynos4_clk_ip_peril_ctrl,
 		.ctrlbit	= (1 << 0),
 	}, {
 		.name		= "uart",
 		.id		= 1,
-		.enable		= s5pv310_clk_ip_peril_ctrl,
+		.enable		= exynos4_clk_ip_peril_ctrl,
 		.ctrlbit	= (1 << 1),
 	}, {
 		.name		= "uart",
 		.id		= 2,
-		.enable		= s5pv310_clk_ip_peril_ctrl,
+		.enable		= exynos4_clk_ip_peril_ctrl,
 		.ctrlbit	= (1 << 2),
 	}, {
 		.name		= "uart",
 		.id		= 3,
-		.enable		= s5pv310_clk_ip_peril_ctrl,
+		.enable		= exynos4_clk_ip_peril_ctrl,
 		.ctrlbit	= (1 << 3),
 	}, {
 		.name		= "uart",
 		.id		= 4,
-		.enable		= s5pv310_clk_ip_peril_ctrl,
+		.enable		= exynos4_clk_ip_peril_ctrl,
 		.ctrlbit	= (1 << 4),
 	}, {
 		.name		= "uart",
 		.id		= 5,
-		.enable		= s5pv310_clk_ip_peril_ctrl,
+		.enable		= exynos4_clk_ip_peril_ctrl,
 		.ctrlbit	= (1 << 5),
 	}
 };
@@ -746,7 +747,7 @@ static struct clksrc_clk clksrcs[] = {
 		.clk	= {
 			.name		= "uclk1",
 			.id		= 0,
-			.enable		= s5pv310_clksrc_mask_peril0_ctrl,
+			.enable		= exynos4_clksrc_mask_peril0_ctrl,
 			.ctrlbit	= (1 << 0),
 		},
 		.sources = &clkset_group,
@@ -756,7 +757,7 @@ static struct clksrc_clk clksrcs[] = {
 		.clk		= {
 			.name		= "uclk1",
 			.id		= 1,
-			.enable		= s5pv310_clksrc_mask_peril0_ctrl,
+			.enable		= exynos4_clksrc_mask_peril0_ctrl,
 			.ctrlbit	= (1 << 4),
 		},
 		.sources = &clkset_group,
@@ -766,7 +767,7 @@ static struct clksrc_clk clksrcs[] = {
 		.clk		= {
 			.name		= "uclk1",
 			.id		= 2,
-			.enable		= s5pv310_clksrc_mask_peril0_ctrl,
+			.enable		= exynos4_clksrc_mask_peril0_ctrl,
 			.ctrlbit	= (1 << 8),
 		},
 		.sources = &clkset_group,
@@ -776,7 +777,7 @@ static struct clksrc_clk clksrcs[] = {
 		.clk		= {
 			.name		= "uclk1",
 			.id		= 3,
-			.enable		= s5pv310_clksrc_mask_peril0_ctrl,
+			.enable		= exynos4_clksrc_mask_peril0_ctrl,
 			.ctrlbit	= (1 << 12),
 		},
 		.sources = &clkset_group,
@@ -786,7 +787,7 @@ static struct clksrc_clk clksrcs[] = {
 		.clk		= {
 			.name		= "sclk_pwm",
 			.id		= -1,
-			.enable		= s5pv310_clksrc_mask_peril0_ctrl,
+			.enable		= exynos4_clksrc_mask_peril0_ctrl,
 			.ctrlbit	= (1 << 24),
 		},
 		.sources = &clkset_group,
@@ -796,7 +797,7 @@ static struct clksrc_clk clksrcs[] = {
 		.clk		= {
 			.name		= "sclk_csis",
 			.id		= 0,
-			.enable		= s5pv310_clksrc_mask_cam_ctrl,
+			.enable		= exynos4_clksrc_mask_cam_ctrl,
 			.ctrlbit	= (1 << 24),
 		},
 		.sources = &clkset_group,
@@ -806,7 +807,7 @@ static struct clksrc_clk clksrcs[] = {
 		.clk		= {
 			.name		= "sclk_csis",
 			.id		= 1,
-			.enable		= s5pv310_clksrc_mask_cam_ctrl,
+			.enable		= exynos4_clksrc_mask_cam_ctrl,
 			.ctrlbit	= (1 << 28),
 		},
 		.sources = &clkset_group,
@@ -816,7 +817,7 @@ static struct clksrc_clk clksrcs[] = {
 		.clk		= {
 			.name		= "sclk_cam",
 			.id		= 0,
-			.enable		= s5pv310_clksrc_mask_cam_ctrl,
+			.enable		= exynos4_clksrc_mask_cam_ctrl,
 			.ctrlbit	= (1 << 16),
 		},
 		.sources = &clkset_group,
@@ -826,7 +827,7 @@ static struct clksrc_clk clksrcs[] = {
 		.clk		= {
 			.name		= "sclk_cam",
 			.id		= 1,
-			.enable		= s5pv310_clksrc_mask_cam_ctrl,
+			.enable		= exynos4_clksrc_mask_cam_ctrl,
 			.ctrlbit	= (1 << 20),
 		},
 		.sources = &clkset_group,
@@ -836,7 +837,7 @@ static struct clksrc_clk clksrcs[] = {
 		.clk		= {
 			.name		= "sclk_fimc",
 			.id		= 0,
-			.enable		= s5pv310_clksrc_mask_cam_ctrl,
+			.enable		= exynos4_clksrc_mask_cam_ctrl,
 			.ctrlbit	= (1 << 0),
 		},
 		.sources = &clkset_group,
@@ -846,7 +847,7 @@ static struct clksrc_clk clksrcs[] = {
 		.clk		= {
 			.name		= "sclk_fimc",
 			.id		= 1,
-			.enable		= s5pv310_clksrc_mask_cam_ctrl,
+			.enable		= exynos4_clksrc_mask_cam_ctrl,
 			.ctrlbit	= (1 << 4),
 		},
 		.sources = &clkset_group,
@@ -856,7 +857,7 @@ static struct clksrc_clk clksrcs[] = {
 		.clk		= {
 			.name		= "sclk_fimc",
 			.id		= 2,
-			.enable		= s5pv310_clksrc_mask_cam_ctrl,
+			.enable		= exynos4_clksrc_mask_cam_ctrl,
 			.ctrlbit	= (1 << 8),
 		},
 		.sources = &clkset_group,
@@ -866,7 +867,7 @@ static struct clksrc_clk clksrcs[] = {
 		.clk		= {
 			.name		= "sclk_fimc",
 			.id		= 3,
-			.enable		= s5pv310_clksrc_mask_cam_ctrl,
+			.enable		= exynos4_clksrc_mask_cam_ctrl,
 			.ctrlbit	= (1 << 12),
 		},
 		.sources = &clkset_group,
@@ -876,7 +877,7 @@ static struct clksrc_clk clksrcs[] = {
 		.clk		= {
 			.name		= "sclk_fimd",
 			.id		= 0,
-			.enable		= s5pv310_clksrc_mask_lcd0_ctrl,
+			.enable		= exynos4_clksrc_mask_lcd0_ctrl,
 			.ctrlbit	= (1 << 0),
 		},
 		.sources = &clkset_group,
@@ -886,7 +887,7 @@ static struct clksrc_clk clksrcs[] = {
 		.clk		= {
 			.name		= "sclk_fimd",
 			.id		= 1,
-			.enable		= s5pv310_clksrc_mask_lcd1_ctrl,
+			.enable		= exynos4_clksrc_mask_lcd1_ctrl,
 			.ctrlbit	= (1 << 0),
 		},
 		.sources = &clkset_group,
@@ -896,7 +897,7 @@ static struct clksrc_clk clksrcs[] = {
 		.clk		= {
 			.name		= "sclk_sata",
 			.id		= -1,
-			.enable		= s5pv310_clksrc_mask_fsys_ctrl,
+			.enable		= exynos4_clksrc_mask_fsys_ctrl,
 			.ctrlbit	= (1 << 24),
 		},
 		.sources = &clkset_mout_corebus,
@@ -906,7 +907,7 @@ static struct clksrc_clk clksrcs[] = {
 		.clk		= {
 			.name		= "sclk_spi",
 			.id		= 0,
-			.enable		= s5pv310_clksrc_mask_peril1_ctrl,
+			.enable		= exynos4_clksrc_mask_peril1_ctrl,
 			.ctrlbit	= (1 << 16),
 		},
 		.sources = &clkset_group,
@@ -916,7 +917,7 @@ static struct clksrc_clk clksrcs[] = {
 		.clk		= {
 			.name		= "sclk_spi",
 			.id		= 1,
-			.enable		= s5pv310_clksrc_mask_peril1_ctrl,
+			.enable		= exynos4_clksrc_mask_peril1_ctrl,
 			.ctrlbit	= (1 << 20),
 		},
 		.sources = &clkset_group,
@@ -926,7 +927,7 @@ static struct clksrc_clk clksrcs[] = {
 		.clk		= {
 			.name		= "sclk_spi",
 			.id		= 2,
-			.enable		= s5pv310_clksrc_mask_peril1_ctrl,
+			.enable		= exynos4_clksrc_mask_peril1_ctrl,
 			.ctrlbit	= (1 << 24),
 		},
 		.sources = &clkset_group,
@@ -945,7 +946,7 @@ static struct clksrc_clk clksrcs[] = {
 			.name		= "sclk_mmc",
 			.id		= 0,
 			.parent		= &clk_dout_mmc0.clk,
-			.enable		= s5pv310_clksrc_mask_fsys_ctrl,
+			.enable		= exynos4_clksrc_mask_fsys_ctrl,
 			.ctrlbit	= (1 << 0),
 		},
 		.reg_div = { .reg = S5P_CLKDIV_FSYS1, .shift = 8, .size = 8 },
@@ -954,7 +955,7 @@ static struct clksrc_clk clksrcs[] = {
 			.name		= "sclk_mmc",
 			.id		= 1,
 			.parent         = &clk_dout_mmc1.clk,
-			.enable		= s5pv310_clksrc_mask_fsys_ctrl,
+			.enable		= exynos4_clksrc_mask_fsys_ctrl,
 			.ctrlbit	= (1 << 4),
 		},
 		.reg_div = { .reg = S5P_CLKDIV_FSYS1, .shift = 24, .size = 8 },
@@ -963,7 +964,7 @@ static struct clksrc_clk clksrcs[] = {
 			.name		= "sclk_mmc",
 			.id		= 2,
 			.parent         = &clk_dout_mmc2.clk,
-			.enable		= s5pv310_clksrc_mask_fsys_ctrl,
+			.enable		= exynos4_clksrc_mask_fsys_ctrl,
 			.ctrlbit	= (1 << 8),
 		},
 		.reg_div = { .reg = S5P_CLKDIV_FSYS2, .shift = 8, .size = 8 },
@@ -972,7 +973,7 @@ static struct clksrc_clk clksrcs[] = {
 			.name		= "sclk_mmc",
 			.id		= 3,
 			.parent         = &clk_dout_mmc3.clk,
-			.enable		= s5pv310_clksrc_mask_fsys_ctrl,
+			.enable		= exynos4_clksrc_mask_fsys_ctrl,
 			.ctrlbit	= (1 << 12),
 		},
 		.reg_div = { .reg = S5P_CLKDIV_FSYS2, .shift = 24, .size = 8 },
@@ -981,7 +982,7 @@ static struct clksrc_clk clksrcs[] = {
 			.name		= "sclk_mmc",
 			.id		= 4,
 			.parent         = &clk_dout_mmc4.clk,
-			.enable		= s5pv310_clksrc_mask_fsys_ctrl,
+			.enable		= exynos4_clksrc_mask_fsys_ctrl,
 			.ctrlbit	= (1 << 16),
 		},
 		.reg_div = { .reg = S5P_CLKDIV_FSYS3, .shift = 8, .size = 8 },
@@ -1022,16 +1023,16 @@ static struct clksrc_clk *sysclks[] = {
 
 static int xtal_rate;
 
-static unsigned long s5pv310_fout_apll_get_rate(struct clk *clk)
+static unsigned long exynos4_fout_apll_get_rate(struct clk *clk)
 {
 	return s5p_get_pll45xx(xtal_rate, __raw_readl(S5P_APLL_CON0), pll_4508);
 }
 
-static struct clk_ops s5pv310_fout_apll_ops = {
-	.get_rate = s5pv310_fout_apll_get_rate,
+static struct clk_ops exynos4_fout_apll_ops = {
+	.get_rate = exynos4_fout_apll_get_rate,
 };
 
-void __init_or_cpufreq s5pv310_setup_clocks(void)
+void __init_or_cpufreq exynos4_setup_clocks(void)
 {
 	struct clk *xtal_clk;
 	unsigned long apll;
@@ -1070,12 +1071,12 @@ void __init_or_cpufreq s5pv310_setup_clocks(void)
 	vpll = s5p_get_pll46xx(vpllsrc, __raw_readl(S5P_VPLL_CON0),
 				__raw_readl(S5P_VPLL_CON1), pll_4650);
 
-	clk_fout_apll.ops = &s5pv310_fout_apll_ops;
+	clk_fout_apll.ops = &exynos4_fout_apll_ops;
 	clk_fout_mpll.rate = mpll;
 	clk_fout_epll.rate = epll;
 	clk_fout_vpll.rate = vpll;
 
-	printk(KERN_INFO "S5PV310: PLL settings, A=%ld, M=%ld, E=%ld V=%ld",
+	printk(KERN_INFO "EXYNOS4: PLL settings, A=%ld, M=%ld, E=%ld V=%ld",
 			apll, mpll, epll, vpll);
 
 	armclk = clk_get_rate(&clk_armclk.clk);
@@ -1086,7 +1087,7 @@ void __init_or_cpufreq s5pv310_setup_clocks(void)
 	aclk_160 = clk_get_rate(&clk_aclk_160.clk);
 	aclk_133 = clk_get_rate(&clk_aclk_133.clk);
 
-	printk(KERN_INFO "S5PV310: ARMCLK=%ld, DMC=%ld, ACLK200=%ld\n"
+	printk(KERN_INFO "EXYNOS4: ARMCLK=%ld, DMC=%ld, ACLK200=%ld\n"
 			 "ACLK100=%ld, ACLK160=%ld, ACLK133=%ld\n",
 			armclk, sclk_dmc, aclk_200,
 			aclk_100, aclk_160, aclk_133);
@@ -1103,7 +1104,7 @@ static struct clk *clks[] __initdata = {
 	/* Nothing here yet */
 };
 
-void __init s5pv310_register_clocks(void)
+void __init exynos4_register_clocks(void)
 {
 	int ptr;
 
diff --git a/arch/arm/mach-s5pv310/cpu.c b/arch/arm/mach-exynos4/cpu.c
index 0db0fb65bd70..479dfa1951c8 100644
--- a/arch/arm/mach-s5pv310/cpu.c
+++ b/arch/arm/mach-exynos4/cpu.c
@@ -1,7 +1,7 @@
-/* linux/arch/arm/mach-s5pv310/cpu.c
+/* linux/arch/arm/mach-exynos4/cpu.c
  *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com/
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
@@ -19,7 +19,7 @@
 
 #include <plat/cpu.h>
 #include <plat/clock.h>
-#include <plat/s5pv310.h>
+#include <plat/exynos4.h>
 #include <plat/sdhci.h>
 
 #include <mach/regs-irq.h>
@@ -29,55 +29,60 @@ extern int combiner_init(unsigned int combiner_nr, void __iomem *base,
 extern void combiner_cascade_irq(unsigned int combiner_nr, unsigned int irq);
 
 /* Initial IO mappings */
-static struct map_desc s5pv310_iodesc[] __initdata = {
+static struct map_desc exynos4_iodesc[] __initdata = {
 	{
+		.virtual	= (unsigned long)S5P_VA_SYSTIMER,
+		.pfn		= __phys_to_pfn(EXYNOS4_PA_SYSTIMER),
+		.length		= SZ_4K,
+		.type	 	= MT_DEVICE,
+	}, {
 		.virtual	= (unsigned long)S5P_VA_SYSRAM,
-		.pfn		= __phys_to_pfn(S5PV310_PA_SYSRAM),
+		.pfn		= __phys_to_pfn(EXYNOS4_PA_SYSRAM),
 		.length		= SZ_4K,
 		.type		= MT_DEVICE,
 	}, {
 		.virtual	= (unsigned long)S5P_VA_CMU,
-		.pfn		= __phys_to_pfn(S5PV310_PA_CMU),
+		.pfn		= __phys_to_pfn(EXYNOS4_PA_CMU),
 		.length		= SZ_128K,
 		.type		= MT_DEVICE,
 	}, {
 		.virtual	= (unsigned long)S5P_VA_PMU,
-		.pfn		= __phys_to_pfn(S5PV310_PA_PMU),
+		.pfn		= __phys_to_pfn(EXYNOS4_PA_PMU),
 		.length		= SZ_64K,
 		.type		= MT_DEVICE,
 	}, {
 		.virtual	= (unsigned long)S5P_VA_COMBINER_BASE,
-		.pfn		= __phys_to_pfn(S5PV310_PA_COMBINER),
+		.pfn		= __phys_to_pfn(EXYNOS4_PA_COMBINER),
 		.length		= SZ_4K,
 		.type		= MT_DEVICE,
 	}, {
 		.virtual	= (unsigned long)S5P_VA_COREPERI_BASE,
-		.pfn		= __phys_to_pfn(S5PV310_PA_COREPERI),
+		.pfn		= __phys_to_pfn(EXYNOS4_PA_COREPERI),
 		.length		= SZ_8K,
 		.type		= MT_DEVICE,
 	}, {
 		.virtual	= (unsigned long)S5P_VA_L2CC,
-		.pfn		= __phys_to_pfn(S5PV310_PA_L2CC),
+		.pfn		= __phys_to_pfn(EXYNOS4_PA_L2CC),
 		.length		= SZ_4K,
 		.type		= MT_DEVICE,
 	}, {
 		.virtual	= (unsigned long)S5P_VA_GPIO1,
-		.pfn		= __phys_to_pfn(S5PV310_PA_GPIO1),
+		.pfn		= __phys_to_pfn(EXYNOS4_PA_GPIO1),
 		.length		= SZ_4K,
 		.type		= MT_DEVICE,
 	}, {
 		.virtual	= (unsigned long)S5P_VA_GPIO2,
-		.pfn		= __phys_to_pfn(S5PV310_PA_GPIO2),
+		.pfn		= __phys_to_pfn(EXYNOS4_PA_GPIO2),
 		.length		= SZ_4K,
 		.type		= MT_DEVICE,
 	}, {
 		.virtual	= (unsigned long)S5P_VA_GPIO3,
-		.pfn		= __phys_to_pfn(S5PV310_PA_GPIO3),
+		.pfn		= __phys_to_pfn(EXYNOS4_PA_GPIO3),
 		.length		= SZ_256,
 		.type		= MT_DEVICE,
 	}, {
 		.virtual	= (unsigned long)S5P_VA_DMC0,
-		.pfn		= __phys_to_pfn(S5PV310_PA_DMC0),
+		.pfn		= __phys_to_pfn(EXYNOS4_PA_DMC0),
 		.length		= SZ_4K,
 		.type		= MT_DEVICE,
 	}, {
@@ -87,13 +92,13 @@ static struct map_desc s5pv310_iodesc[] __initdata = {
 		.type		= MT_DEVICE,
 	}, {
 		.virtual	= (unsigned long)S5P_VA_SROMC,
-		.pfn		= __phys_to_pfn(S5PV310_PA_SROMC),
+		.pfn		= __phys_to_pfn(EXYNOS4_PA_SROMC),
 		.length		= SZ_4K,
 		.type		= MT_DEVICE,
 	},
 };
 
-static void s5pv310_idle(void)
+static void exynos4_idle(void)
 {
 	if (!need_resched())
 		cpu_do_idle();
@@ -101,32 +106,33 @@ static void s5pv310_idle(void)
 	local_irq_enable();
 }
 
-/* s5pv310_map_io
+/*
+ * exynos4_map_io
  *
  * register the standard cpu IO areas
-*/
-void __init s5pv310_map_io(void)
+ */
+void __init exynos4_map_io(void)
 {
-	iotable_init(s5pv310_iodesc, ARRAY_SIZE(s5pv310_iodesc));
+	iotable_init(exynos4_iodesc, ARRAY_SIZE(exynos4_iodesc));
 
 	/* initialize device information early */
-	s5pv310_default_sdhci0();
-	s5pv310_default_sdhci1();
-	s5pv310_default_sdhci2();
-	s5pv310_default_sdhci3();
+	exynos4_default_sdhci0();
+	exynos4_default_sdhci1();
+	exynos4_default_sdhci2();
+	exynos4_default_sdhci3();
 }
 
-void __init s5pv310_init_clocks(int xtal)
+void __init exynos4_init_clocks(int xtal)
 {
 	printk(KERN_DEBUG "%s: initializing clocks\n", __func__);
 
 	s3c24xx_register_baseclocks(xtal);
 	s5p_register_clocks(xtal);
-	s5pv310_register_clocks();
-	s5pv310_setup_clocks();
+	exynos4_register_clocks();
+	exynos4_setup_clocks();
 }
 
-void __init s5pv310_init_irq(void)
+void __init exynos4_init_irq(void)
 {
 	int irq;
 
@@ -148,29 +154,29 @@ void __init s5pv310_init_irq(void)
 	}
 
 	/* The parameters of s5p_init_irq() are for VIC init.
-	 * Theses parameters should be NULL and 0 because S5PV310
+	 * Theses parameters should be NULL and 0 because EXYNOS4
 	 * uses GIC instead of VIC.
 	 */
 	s5p_init_irq(NULL, 0);
 }
 
-struct sysdev_class s5pv310_sysclass = {
-	.name	= "s5pv310-core",
+struct sysdev_class exynos4_sysclass = {
+	.name	= "exynos4-core",
 };
 
-static struct sys_device s5pv310_sysdev = {
-	.cls	= &s5pv310_sysclass,
+static struct sys_device exynos4_sysdev = {
+	.cls	= &exynos4_sysclass,
 };
 
-static int __init s5pv310_core_init(void)
+static int __init exynos4_core_init(void)
 {
-	return sysdev_class_register(&s5pv310_sysclass);
+	return sysdev_class_register(&exynos4_sysclass);
 }
 
-core_initcall(s5pv310_core_init);
+core_initcall(exynos4_core_init);
 
 #ifdef CONFIG_CACHE_L2X0
-static int __init s5pv310_l2x0_cache_init(void)
+static int __init exynos4_l2x0_cache_init(void)
 {
 	/* TAG, Data Latency Control: 2cycle */
 	__raw_writel(0x110, S5P_VA_L2CC + L2X0_TAG_LATENCY_CTRL);
@@ -188,15 +194,15 @@ static int __init s5pv310_l2x0_cache_init(void)
 	return 0;
 }
 
-early_initcall(s5pv310_l2x0_cache_init);
+early_initcall(exynos4_l2x0_cache_init);
 #endif
 
-int __init s5pv310_init(void)
+int __init exynos4_init(void)
 {
-	printk(KERN_INFO "S5PV310: Initializing architecture\n");
+	printk(KERN_INFO "EXYNOS4: Initializing architecture\n");
 
 	/* set idle function */
-	pm_idle = s5pv310_idle;
+	pm_idle = exynos4_idle;
 
-	return sysdev_register(&s5pv310_sysdev);
+	return sysdev_register(&exynos4_sysdev);
 }
diff --git a/arch/arm/mach-s5pv310/cpufreq.c b/arch/arm/mach-exynos4/cpufreq.c
index b04cbc731128..a16ac35747a9 100644
--- a/arch/arm/mach-s5pv310/cpufreq.c
+++ b/arch/arm/mach-exynos4/cpufreq.c
@@ -1,9 +1,9 @@
-/* linux/arch/arm/mach-s5pv310/cpufreq.c
+/* linux/arch/arm/mach-exynos4/cpufreq.c
  *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
  *		http://www.samsung.com
  *
- * S5PV310 - CPU frequency scaling support
+ * EXYNOS4 - CPU frequency scaling 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
@@ -31,15 +31,13 @@ static struct clk *moutcore;
 static struct clk *mout_mpll;
 static struct clk *mout_apll;
 
-#ifdef CONFIG_REGULATOR
 static struct regulator *arm_regulator;
 static struct regulator *int_regulator;
-#endif
 
 static struct cpufreq_freqs freqs;
 static unsigned int memtype;
 
-enum s5pv310_memory_type {
+enum exynos4_memory_type {
 	DDR2 = 4,
 	LPDDR2,
 	DDR3,
@@ -49,7 +47,7 @@ enum cpufreq_level_index {
 	L0, L1, L2, L3, CPUFREQ_LEVEL_END,
 };
 
-static struct cpufreq_frequency_table s5pv310_freq_table[] = {
+static struct cpufreq_frequency_table exynos4_freq_table[] = {
 	{L0, 1000*1000},
 	{L1, 800*1000},
 	{L2, 400*1000},
@@ -160,7 +158,7 @@ struct cpufreq_voltage_table {
 	unsigned int	int_volt;
 };
 
-static struct cpufreq_voltage_table s5pv310_volt_table[CPUFREQ_LEVEL_END] = {
+static struct cpufreq_voltage_table exynos4_volt_table[CPUFREQ_LEVEL_END] = {
 	{
 		.index		= L0,
 		.arm_volt	= 1200000,
@@ -180,7 +178,7 @@ static struct cpufreq_voltage_table s5pv310_volt_table[CPUFREQ_LEVEL_END] = {
 	},
 };
 
-static unsigned int s5pv310_apll_pms_table[CPUFREQ_LEVEL_END] = {
+static unsigned int exynos4_apll_pms_table[CPUFREQ_LEVEL_END] = {
 	/* APLL FOUT L0: 1000MHz */
 	((250 << 16) | (6 << 8) | 1),
 
@@ -194,17 +192,17 @@ static unsigned int s5pv310_apll_pms_table[CPUFREQ_LEVEL_END] = {
 	((200 << 16) | (6 << 8) | 4),
 };
 
-int s5pv310_verify_speed(struct cpufreq_policy *policy)
+int exynos4_verify_speed(struct cpufreq_policy *policy)
 {
-	return cpufreq_frequency_table_verify(policy, s5pv310_freq_table);
+	return cpufreq_frequency_table_verify(policy, exynos4_freq_table);
 }
 
-unsigned int s5pv310_getspeed(unsigned int cpu)
+unsigned int exynos4_getspeed(unsigned int cpu)
 {
 	return clk_get_rate(cpu_clk) / 1000;
 }
 
-void s5pv310_set_clkdiv(unsigned int div_index)
+void exynos4_set_clkdiv(unsigned int div_index)
 {
 	unsigned int tmp;
 
@@ -321,7 +319,7 @@ void s5pv310_set_clkdiv(unsigned int div_index)
 	} while (tmp & 0x11);
 }
 
-static void s5pv310_set_apll(unsigned int index)
+static void exynos4_set_apll(unsigned int index)
 {
 	unsigned int tmp;
 
@@ -340,7 +338,7 @@ static void s5pv310_set_apll(unsigned int index)
 	/* 3. Change PLL PMS values */
 	tmp = __raw_readl(S5P_APLL_CON0);
 	tmp &= ~((0x3ff << 16) | (0x3f << 8) | (0x7 << 0));
-	tmp |= s5pv310_apll_pms_table[index];
+	tmp |= exynos4_apll_pms_table[index];
 	__raw_writel(tmp, S5P_APLL_CON0);
 
 	/* 4. wait_lock_time */
@@ -357,99 +355,95 @@ static void s5pv310_set_apll(unsigned int index)
 	} while (tmp != (0x1 << S5P_CLKSRC_CPU_MUXCORE_SHIFT));
 }
 
-static void s5pv310_set_frequency(unsigned int old_index, unsigned int new_index)
+static void exynos4_set_frequency(unsigned int old_index, unsigned int new_index)
 {
 	unsigned int tmp;
 
 	if (old_index > new_index) {
 		/* The frequency changing to L0 needs to change apll */
-		if (freqs.new == s5pv310_freq_table[L0].frequency) {
+		if (freqs.new == exynos4_freq_table[L0].frequency) {
 			/* 1. Change the system clock divider values */
-			s5pv310_set_clkdiv(new_index);
+			exynos4_set_clkdiv(new_index);
 
 			/* 2. Change the apll m,p,s value */
-			s5pv310_set_apll(new_index);
+			exynos4_set_apll(new_index);
 		} else {
 			/* 1. Change the system clock divider values */
-			s5pv310_set_clkdiv(new_index);
+			exynos4_set_clkdiv(new_index);
 
 			/* 2. Change just s value in apll m,p,s value */
 			tmp = __raw_readl(S5P_APLL_CON0);
 			tmp &= ~(0x7 << 0);
-			tmp |= (s5pv310_apll_pms_table[new_index] & 0x7);
+			tmp |= (exynos4_apll_pms_table[new_index] & 0x7);
 			__raw_writel(tmp, S5P_APLL_CON0);
 		}
 	}
 
 	else if (old_index < new_index) {
 		/* The frequency changing from L0 needs to change apll */
-		if (freqs.old == s5pv310_freq_table[L0].frequency) {
+		if (freqs.old == exynos4_freq_table[L0].frequency) {
 			/* 1. Change the apll m,p,s value */
-			s5pv310_set_apll(new_index);
+			exynos4_set_apll(new_index);
 
 			/* 2. Change the system clock divider values */
-			s5pv310_set_clkdiv(new_index);
+			exynos4_set_clkdiv(new_index);
 		} else {
 			/* 1. Change just s value in apll m,p,s value */
 			tmp = __raw_readl(S5P_APLL_CON0);
 			tmp &= ~(0x7 << 0);
-			tmp |= (s5pv310_apll_pms_table[new_index] & 0x7);
+			tmp |= (exynos4_apll_pms_table[new_index] & 0x7);
 			__raw_writel(tmp, S5P_APLL_CON0);
 
 			/* 2. Change the system clock divider values */
-			s5pv310_set_clkdiv(new_index);
+			exynos4_set_clkdiv(new_index);
 		}
 	}
 }
 
-static int s5pv310_target(struct cpufreq_policy *policy,
+static int exynos4_target(struct cpufreq_policy *policy,
 			  unsigned int target_freq,
 			  unsigned int relation)
 {
 	unsigned int index, old_index;
 	unsigned int arm_volt, int_volt;
 
-	freqs.old = s5pv310_getspeed(policy->cpu);
+	freqs.old = exynos4_getspeed(policy->cpu);
 
-	if (cpufreq_frequency_table_target(policy, s5pv310_freq_table,
+	if (cpufreq_frequency_table_target(policy, exynos4_freq_table,
 					   freqs.old, relation, &old_index))
 		return -EINVAL;
 
-	if (cpufreq_frequency_table_target(policy, s5pv310_freq_table,
+	if (cpufreq_frequency_table_target(policy, exynos4_freq_table,
 					   target_freq, relation, &index))
 		return -EINVAL;
 
-	freqs.new = s5pv310_freq_table[index].frequency;
+	freqs.new = exynos4_freq_table[index].frequency;
 	freqs.cpu = policy->cpu;
 
 	if (freqs.new == freqs.old)
 		return 0;
 
 	/* get the voltage value */
-	arm_volt = s5pv310_volt_table[index].arm_volt;
-	int_volt = s5pv310_volt_table[index].int_volt;
+	arm_volt = exynos4_volt_table[index].arm_volt;
+	int_volt = exynos4_volt_table[index].int_volt;
 
 	cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
 
 	/* control regulator */
 	if (freqs.new > freqs.old) {
 		/* Voltage up */
-#ifdef CONFIG_REGULATOR
 		regulator_set_voltage(arm_regulator, arm_volt, arm_volt);
 		regulator_set_voltage(int_regulator, int_volt, int_volt);
-#endif
 	}
 
 	/* Clock Configuration Procedure */
-	s5pv310_set_frequency(old_index, index);
+	exynos4_set_frequency(old_index, index);
 
 	/* control regulator */
 	if (freqs.new < freqs.old) {
 		/* Voltage down */
-#ifdef CONFIG_REGULATOR
 		regulator_set_voltage(arm_regulator, arm_volt, arm_volt);
 		regulator_set_voltage(int_regulator, int_volt, int_volt);
-#endif
 	}
 
 	cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
@@ -458,52 +452,52 @@ static int s5pv310_target(struct cpufreq_policy *policy,
 }
 
 #ifdef CONFIG_PM
-static int s5pv310_cpufreq_suspend(struct cpufreq_policy *policy,
+static int exynos4_cpufreq_suspend(struct cpufreq_policy *policy,
 				   pm_message_t pmsg)
 {
 	return 0;
 }
 
-static int s5pv310_cpufreq_resume(struct cpufreq_policy *policy)
+static int exynos4_cpufreq_resume(struct cpufreq_policy *policy)
 {
 	return 0;
 }
 #endif
 
-static int s5pv310_cpufreq_cpu_init(struct cpufreq_policy *policy)
+static int exynos4_cpufreq_cpu_init(struct cpufreq_policy *policy)
 {
-	policy->cur = policy->min = policy->max = s5pv310_getspeed(policy->cpu);
+	policy->cur = policy->min = policy->max = exynos4_getspeed(policy->cpu);
 
-	cpufreq_frequency_table_get_attr(s5pv310_freq_table, policy->cpu);
+	cpufreq_frequency_table_get_attr(exynos4_freq_table, policy->cpu);
 
 	/* set the transition latency value */
 	policy->cpuinfo.transition_latency = 100000;
 
 	/*
-	 * S5PV310 multi-core processors has 2 cores
+	 * EXYNOS4 multi-core processors has 2 cores
 	 * that the frequency cannot be set independently.
 	 * Each cpu is bound to the same speed.
 	 * So the affected cpu is all of the cpus.
 	 */
 	cpumask_setall(policy->cpus);
 
-	return cpufreq_frequency_table_cpuinfo(policy, s5pv310_freq_table);
+	return cpufreq_frequency_table_cpuinfo(policy, exynos4_freq_table);
 }
 
-static struct cpufreq_driver s5pv310_driver = {
+static struct cpufreq_driver exynos4_driver = {
 	.flags		= CPUFREQ_STICKY,
-	.verify		= s5pv310_verify_speed,
-	.target		= s5pv310_target,
-	.get		= s5pv310_getspeed,
-	.init		= s5pv310_cpufreq_cpu_init,
-	.name		= "s5pv310_cpufreq",
+	.verify		= exynos4_verify_speed,
+	.target		= exynos4_target,
+	.get		= exynos4_getspeed,
+	.init		= exynos4_cpufreq_cpu_init,
+	.name		= "exynos4_cpufreq",
 #ifdef CONFIG_PM
-	.suspend	= s5pv310_cpufreq_suspend,
-	.resume		= s5pv310_cpufreq_resume,
+	.suspend	= exynos4_cpufreq_suspend,
+	.resume		= exynos4_cpufreq_resume,
 #endif
 };
 
-static int __init s5pv310_cpufreq_init(void)
+static int __init exynos4_cpufreq_init(void)
 {
 	cpu_clk = clk_get(NULL, "armclk");
 	if (IS_ERR(cpu_clk))
@@ -521,7 +515,6 @@ static int __init s5pv310_cpufreq_init(void)
 	if (IS_ERR(mout_apll))
 		goto out;
 
-#ifdef CONFIG_REGULATOR
 	arm_regulator = regulator_get(NULL, "vdd_arm");
 	if (IS_ERR(arm_regulator)) {
 		printk(KERN_ERR "failed to get resource %s\n", "vdd_arm");
@@ -533,7 +526,6 @@ static int __init s5pv310_cpufreq_init(void)
 		printk(KERN_ERR "failed to get resource %s\n", "vdd_int");
 		goto out;
 	}
-#endif
 
 	/*
 	 * Check DRAM type.
@@ -550,7 +542,7 @@ static int __init s5pv310_cpufreq_init(void)
 		printk(KERN_DEBUG "%s: memtype= 0x%x\n", __func__, memtype);
 	}
 
-	return cpufreq_register_driver(&s5pv310_driver);
+	return cpufreq_register_driver(&exynos4_driver);
 
 out:
 	if (!IS_ERR(cpu_clk))
@@ -565,16 +557,14 @@ out:
 	if (!IS_ERR(mout_apll))
 		clk_put(mout_apll);
 
-#ifdef CONFIG_REGULATOR
 	if (!IS_ERR(arm_regulator))
 		regulator_put(arm_regulator);
 
 	if (!IS_ERR(int_regulator))
 		regulator_put(int_regulator);
-#endif
 
 	printk(KERN_ERR "%s: failed initialization\n", __func__);
 
 	return -EINVAL;
 }
-late_initcall(s5pv310_cpufreq_init);
+late_initcall(exynos4_cpufreq_init);
diff --git a/arch/arm/mach-s5pv310/dev-audio.c b/arch/arm/mach-exynos4/dev-audio.c
index a1964242f0fa..1eed5f9f7bd3 100644
--- a/arch/arm/mach-s5pv310/dev-audio.c
+++ b/arch/arm/mach-exynos4/dev-audio.c
@@ -1,4 +1,7 @@
-/* linux/arch/arm/mach-s5pv310/dev-audio.c
+/* linux/arch/arm/mach-exynos4/dev-audio.c
+ *
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
  *
  * Copyright (c) 2010 Samsung Electronics Co. Ltd
  *	Jaswinder Singh <jassi.brar@samsung.com>
@@ -24,18 +27,18 @@ static const char *rclksrc[] = {
 	[1] = "i2sclk",
 };
 
-static int s5pv310_cfg_i2s(struct platform_device *pdev)
+static int exynos4_cfg_i2s(struct platform_device *pdev)
 {
 	/* configure GPIO for i2s port */
 	switch (pdev->id) {
 	case 0:
-		s3c_gpio_cfgpin_range(S5PV310_GPZ(0), 7, S3C_GPIO_SFN(2));
+		s3c_gpio_cfgpin_range(EXYNOS4_GPZ(0), 7, S3C_GPIO_SFN(2));
 		break;
 	case 1:
-		s3c_gpio_cfgpin_range(S5PV310_GPC0(0), 5, S3C_GPIO_SFN(2));
+		s3c_gpio_cfgpin_range(EXYNOS4_GPC0(0), 5, S3C_GPIO_SFN(2));
 		break;
 	case 2:
-		s3c_gpio_cfgpin_range(S5PV310_GPC1(0), 5, S3C_GPIO_SFN(4));
+		s3c_gpio_cfgpin_range(EXYNOS4_GPC1(0), 5, S3C_GPIO_SFN(4));
 		break;
 	default:
 		printk(KERN_ERR "Invalid Device %d\n", pdev->id);
@@ -46,7 +49,7 @@ static int s5pv310_cfg_i2s(struct platform_device *pdev)
 }
 
 static struct s3c_audio_pdata i2sv5_pdata = {
-	.cfg_gpio = s5pv310_cfg_i2s,
+	.cfg_gpio = exynos4_cfg_i2s,
 	.type = {
 		.i2s = {
 			.quirks = QUIRK_PRI_6CHAN | QUIRK_SEC_DAI
@@ -56,10 +59,10 @@ static struct s3c_audio_pdata i2sv5_pdata = {
 	},
 };
 
-static struct resource s5pv310_i2s0_resource[] = {
+static struct resource exynos4_i2s0_resource[] = {
 	[0] = {
-		.start	= S5PV310_PA_I2S0,
-		.end	= S5PV310_PA_I2S0 + 0x100 - 1,
+		.start	= EXYNOS4_PA_I2S0,
+		.end	= EXYNOS4_PA_I2S0 + 0x100 - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 	[1] = {
@@ -79,11 +82,11 @@ static struct resource s5pv310_i2s0_resource[] = {
 	},
 };
 
-struct platform_device s5pv310_device_i2s0 = {
+struct platform_device exynos4_device_i2s0 = {
 	.name = "samsung-i2s",
 	.id = 0,
-	.num_resources = ARRAY_SIZE(s5pv310_i2s0_resource),
-	.resource = s5pv310_i2s0_resource,
+	.num_resources = ARRAY_SIZE(exynos4_i2s0_resource),
+	.resource = exynos4_i2s0_resource,
 	.dev = {
 		.platform_data = &i2sv5_pdata,
 	},
@@ -95,7 +98,7 @@ static const char *rclksrc_v3[] = {
 };
 
 static struct s3c_audio_pdata i2sv3_pdata = {
-	.cfg_gpio = s5pv310_cfg_i2s,
+	.cfg_gpio = exynos4_cfg_i2s,
 	.type = {
 		.i2s = {
 			.quirks = QUIRK_NO_MUXPSR,
@@ -104,10 +107,10 @@ static struct s3c_audio_pdata i2sv3_pdata = {
 	},
 };
 
-static struct resource s5pv310_i2s1_resource[] = {
+static struct resource exynos4_i2s1_resource[] = {
 	[0] = {
-		.start	= S5PV310_PA_I2S1,
-		.end	= S5PV310_PA_I2S1 + 0x100 - 1,
+		.start	= EXYNOS4_PA_I2S1,
+		.end	= EXYNOS4_PA_I2S1 + 0x100 - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 	[1] = {
@@ -122,20 +125,20 @@ static struct resource s5pv310_i2s1_resource[] = {
 	},
 };
 
-struct platform_device s5pv310_device_i2s1 = {
+struct platform_device exynos4_device_i2s1 = {
 	.name = "samsung-i2s",
 	.id = 1,
-	.num_resources = ARRAY_SIZE(s5pv310_i2s1_resource),
-	.resource = s5pv310_i2s1_resource,
+	.num_resources = ARRAY_SIZE(exynos4_i2s1_resource),
+	.resource = exynos4_i2s1_resource,
 	.dev = {
 		.platform_data = &i2sv3_pdata,
 	},
 };
 
-static struct resource s5pv310_i2s2_resource[] = {
+static struct resource exynos4_i2s2_resource[] = {
 	[0] = {
-		.start	= S5PV310_PA_I2S2,
-		.end	= S5PV310_PA_I2S2 + 0x100 - 1,
+		.start	= EXYNOS4_PA_I2S2,
+		.end	= EXYNOS4_PA_I2S2 + 0x100 - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 	[1] = {
@@ -150,11 +153,11 @@ static struct resource s5pv310_i2s2_resource[] = {
 	},
 };
 
-struct platform_device s5pv310_device_i2s2 = {
+struct platform_device exynos4_device_i2s2 = {
 	.name = "samsung-i2s",
 	.id = 2,
-	.num_resources = ARRAY_SIZE(s5pv310_i2s2_resource),
-	.resource = s5pv310_i2s2_resource,
+	.num_resources = ARRAY_SIZE(exynos4_i2s2_resource),
+	.resource = exynos4_i2s2_resource,
 	.dev = {
 		.platform_data = &i2sv3_pdata,
 	},
@@ -162,17 +165,17 @@ struct platform_device s5pv310_device_i2s2 = {
 
 /* PCM Controller platform_devices */
 
-static int s5pv310_pcm_cfg_gpio(struct platform_device *pdev)
+static int exynos4_pcm_cfg_gpio(struct platform_device *pdev)
 {
 	switch (pdev->id) {
 	case 0:
-		s3c_gpio_cfgpin_range(S5PV310_GPZ(0), 5, S3C_GPIO_SFN(3));
+		s3c_gpio_cfgpin_range(EXYNOS4_GPZ(0), 5, S3C_GPIO_SFN(3));
 		break;
 	case 1:
-		s3c_gpio_cfgpin_range(S5PV310_GPC0(0), 5, S3C_GPIO_SFN(3));
+		s3c_gpio_cfgpin_range(EXYNOS4_GPC0(0), 5, S3C_GPIO_SFN(3));
 		break;
 	case 2:
-		s3c_gpio_cfgpin_range(S5PV310_GPC1(0), 5, S3C_GPIO_SFN(3));
+		s3c_gpio_cfgpin_range(EXYNOS4_GPC1(0), 5, S3C_GPIO_SFN(3));
 		break;
 	default:
 		printk(KERN_DEBUG "Invalid PCM Controller number!");
@@ -183,13 +186,13 @@ static int s5pv310_pcm_cfg_gpio(struct platform_device *pdev)
 }
 
 static struct s3c_audio_pdata s3c_pcm_pdata = {
-	.cfg_gpio = s5pv310_pcm_cfg_gpio,
+	.cfg_gpio = exynos4_pcm_cfg_gpio,
 };
 
-static struct resource s5pv310_pcm0_resource[] = {
+static struct resource exynos4_pcm0_resource[] = {
 	[0] = {
-		.start	= S5PV310_PA_PCM0,
-		.end	= S5PV310_PA_PCM0 + 0x100 - 1,
+		.start	= EXYNOS4_PA_PCM0,
+		.end	= EXYNOS4_PA_PCM0 + 0x100 - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 	[1] = {
@@ -204,20 +207,20 @@ static struct resource s5pv310_pcm0_resource[] = {
 	},
 };
 
-struct platform_device s5pv310_device_pcm0 = {
+struct platform_device exynos4_device_pcm0 = {
 	.name = "samsung-pcm",
 	.id = 0,
-	.num_resources = ARRAY_SIZE(s5pv310_pcm0_resource),
-	.resource = s5pv310_pcm0_resource,
+	.num_resources = ARRAY_SIZE(exynos4_pcm0_resource),
+	.resource = exynos4_pcm0_resource,
 	.dev = {
 		.platform_data = &s3c_pcm_pdata,
 	},
 };
 
-static struct resource s5pv310_pcm1_resource[] = {
+static struct resource exynos4_pcm1_resource[] = {
 	[0] = {
-		.start	= S5PV310_PA_PCM1,
-		.end	= S5PV310_PA_PCM1 + 0x100 - 1,
+		.start	= EXYNOS4_PA_PCM1,
+		.end	= EXYNOS4_PA_PCM1 + 0x100 - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 	[1] = {
@@ -232,20 +235,20 @@ static struct resource s5pv310_pcm1_resource[] = {
 	},
 };
 
-struct platform_device s5pv310_device_pcm1 = {
+struct platform_device exynos4_device_pcm1 = {
 	.name = "samsung-pcm",
 	.id = 1,
-	.num_resources = ARRAY_SIZE(s5pv310_pcm1_resource),
-	.resource = s5pv310_pcm1_resource,
+	.num_resources = ARRAY_SIZE(exynos4_pcm1_resource),
+	.resource = exynos4_pcm1_resource,
 	.dev = {
 		.platform_data = &s3c_pcm_pdata,
 	},
 };
 
-static struct resource s5pv310_pcm2_resource[] = {
+static struct resource exynos4_pcm2_resource[] = {
 	[0] = {
-		.start	= S5PV310_PA_PCM2,
-		.end	= S5PV310_PA_PCM2 + 0x100 - 1,
+		.start	= EXYNOS4_PA_PCM2,
+		.end	= EXYNOS4_PA_PCM2 + 0x100 - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 	[1] = {
@@ -260,11 +263,11 @@ static struct resource s5pv310_pcm2_resource[] = {
 	},
 };
 
-struct platform_device s5pv310_device_pcm2 = {
+struct platform_device exynos4_device_pcm2 = {
 	.name = "samsung-pcm",
 	.id = 2,
-	.num_resources = ARRAY_SIZE(s5pv310_pcm2_resource),
-	.resource = s5pv310_pcm2_resource,
+	.num_resources = ARRAY_SIZE(exynos4_pcm2_resource),
+	.resource = exynos4_pcm2_resource,
 	.dev = {
 		.platform_data = &s3c_pcm_pdata,
 	},
@@ -272,15 +275,15 @@ struct platform_device s5pv310_device_pcm2 = {
 
 /* AC97 Controller platform devices */
 
-static int s5pv310_ac97_cfg_gpio(struct platform_device *pdev)
+static int exynos4_ac97_cfg_gpio(struct platform_device *pdev)
 {
-	return s3c_gpio_cfgpin_range(S5PV310_GPC0(0), 5, S3C_GPIO_SFN(4));
+	return s3c_gpio_cfgpin_range(EXYNOS4_GPC0(0), 5, S3C_GPIO_SFN(4));
 }
 
-static struct resource s5pv310_ac97_resource[] = {
+static struct resource exynos4_ac97_resource[] = {
 	[0] = {
-		.start	= S5PV310_PA_AC97,
-		.end	= S5PV310_PA_AC97 + 0x100 - 1,
+		.start	= EXYNOS4_PA_AC97,
+		.end	= EXYNOS4_PA_AC97 + 0x100 - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 	[1] = {
@@ -306,36 +309,36 @@ static struct resource s5pv310_ac97_resource[] = {
 };
 
 static struct s3c_audio_pdata s3c_ac97_pdata = {
-	.cfg_gpio = s5pv310_ac97_cfg_gpio,
+	.cfg_gpio = exynos4_ac97_cfg_gpio,
 };
 
-static u64 s5pv310_ac97_dmamask = DMA_BIT_MASK(32);
+static u64 exynos4_ac97_dmamask = DMA_BIT_MASK(32);
 
-struct platform_device s5pv310_device_ac97 = {
+struct platform_device exynos4_device_ac97 = {
 	.name = "samsung-ac97",
 	.id = -1,
-	.num_resources = ARRAY_SIZE(s5pv310_ac97_resource),
-	.resource = s5pv310_ac97_resource,
+	.num_resources = ARRAY_SIZE(exynos4_ac97_resource),
+	.resource = exynos4_ac97_resource,
 	.dev = {
 		.platform_data = &s3c_ac97_pdata,
-		.dma_mask = &s5pv310_ac97_dmamask,
+		.dma_mask = &exynos4_ac97_dmamask,
 		.coherent_dma_mask = DMA_BIT_MASK(32),
 	},
 };
 
 /* S/PDIF Controller platform_device */
 
-static int s5pv310_spdif_cfg_gpio(struct platform_device *pdev)
+static int exynos4_spdif_cfg_gpio(struct platform_device *pdev)
 {
-	s3c_gpio_cfgpin_range(S5PV310_GPC1(0), 2, S3C_GPIO_SFN(3));
+	s3c_gpio_cfgpin_range(EXYNOS4_GPC1(0), 2, S3C_GPIO_SFN(3));
 
 	return 0;
 }
 
-static struct resource s5pv310_spdif_resource[] = {
+static struct resource exynos4_spdif_resource[] = {
 	[0] = {
-		.start	= S5PV310_PA_SPDIF,
-		.end	= S5PV310_PA_SPDIF + 0x100 - 1,
+		.start	= EXYNOS4_PA_SPDIF,
+		.end	= EXYNOS4_PA_SPDIF + 0x100 - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 	[1] = {
@@ -346,19 +349,19 @@ static struct resource s5pv310_spdif_resource[] = {
 };
 
 static struct s3c_audio_pdata samsung_spdif_pdata = {
-	.cfg_gpio = s5pv310_spdif_cfg_gpio,
+	.cfg_gpio = exynos4_spdif_cfg_gpio,
 };
 
-static u64 s5pv310_spdif_dmamask = DMA_BIT_MASK(32);
+static u64 exynos4_spdif_dmamask = DMA_BIT_MASK(32);
 
-struct platform_device s5pv310_device_spdif = {
+struct platform_device exynos4_device_spdif = {
 	.name = "samsung-spdif",
 	.id = -1,
-	.num_resources = ARRAY_SIZE(s5pv310_spdif_resource),
-	.resource = s5pv310_spdif_resource,
+	.num_resources = ARRAY_SIZE(exynos4_spdif_resource),
+	.resource = exynos4_spdif_resource,
 	.dev = {
 		.platform_data = &samsung_spdif_pdata,
-		.dma_mask = &s5pv310_spdif_dmamask,
+		.dma_mask = &exynos4_spdif_dmamask,
 		.coherent_dma_mask = DMA_BIT_MASK(32),
 	},
 };
diff --git a/arch/arm/mach-s5pv310/dev-pd.c b/arch/arm/mach-exynos4/dev-pd.c
index 58a50c2d0b67..3273f25d6a75 100644
--- a/arch/arm/mach-s5pv310/dev-pd.c
+++ b/arch/arm/mach-exynos4/dev-pd.c
@@ -1,9 +1,9 @@
-/* linux/arch/arm/mach-s5pv310/dev-pd.c
+/* linux/arch/arm/mach-exynos4/dev-pd.c
  *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
  *		http://www.samsung.com
  *
- * S5PV310 - Power Domain support
+ * EXYNOS4 - Power Domain 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
@@ -19,7 +19,7 @@
 
 #include <plat/pd.h>
 
-static int s5pv310_pd_enable(struct device *dev)
+static int exynos4_pd_enable(struct device *dev)
 {
 	struct samsung_pd_info *pdata =  dev->platform_data;
 	u32 timeout;
@@ -42,7 +42,7 @@ static int s5pv310_pd_enable(struct device *dev)
 	return 0;
 }
 
-static int s5pv310_pd_disable(struct device *dev)
+static int exynos4_pd_disable(struct device *dev)
 {
 	struct samsung_pd_info *pdata =  dev->platform_data;
 	u32 timeout;
@@ -64,14 +64,14 @@ static int s5pv310_pd_disable(struct device *dev)
 	return 0;
 }
 
-struct platform_device s5pv310_device_pd[] = {
+struct platform_device exynos4_device_pd[] = {
 	{
 		.name		= "samsung-pd",
 		.id		= 0,
 		.dev = {
 			.platform_data = &(struct samsung_pd_info) {
-				.enable		= s5pv310_pd_enable,
-				.disable	= s5pv310_pd_disable,
+				.enable		= exynos4_pd_enable,
+				.disable	= exynos4_pd_disable,
 				.base		= S5P_PMU_MFC_CONF,
 			},
 		},
@@ -80,8 +80,8 @@ struct platform_device s5pv310_device_pd[] = {
 		.id		= 1,
 		.dev = {
 			.platform_data = &(struct samsung_pd_info) {
-				.enable		= s5pv310_pd_enable,
-				.disable	= s5pv310_pd_disable,
+				.enable		= exynos4_pd_enable,
+				.disable	= exynos4_pd_disable,
 				.base		= S5P_PMU_G3D_CONF,
 			},
 		},
@@ -90,8 +90,8 @@ struct platform_device s5pv310_device_pd[] = {
 		.id		= 2,
 		.dev = {
 			.platform_data = &(struct samsung_pd_info) {
-				.enable		= s5pv310_pd_enable,
-				.disable	= s5pv310_pd_disable,
+				.enable		= exynos4_pd_enable,
+				.disable	= exynos4_pd_disable,
 				.base		= S5P_PMU_LCD0_CONF,
 			},
 		},
@@ -100,8 +100,8 @@ struct platform_device s5pv310_device_pd[] = {
 		.id		= 3,
 		.dev = {
 			.platform_data = &(struct samsung_pd_info) {
-				.enable		= s5pv310_pd_enable,
-				.disable	= s5pv310_pd_disable,
+				.enable		= exynos4_pd_enable,
+				.disable	= exynos4_pd_disable,
 				.base		= S5P_PMU_LCD1_CONF,
 			},
 		},
@@ -110,8 +110,8 @@ struct platform_device s5pv310_device_pd[] = {
 		.id		= 4,
 		.dev = {
 			.platform_data = &(struct samsung_pd_info) {
-				.enable		= s5pv310_pd_enable,
-				.disable	= s5pv310_pd_disable,
+				.enable		= exynos4_pd_enable,
+				.disable	= exynos4_pd_disable,
 				.base		= S5P_PMU_TV_CONF,
 			},
 		},
@@ -120,8 +120,8 @@ struct platform_device s5pv310_device_pd[] = {
 		.id		= 5,
 		.dev = {
 			.platform_data = &(struct samsung_pd_info) {
-				.enable		= s5pv310_pd_enable,
-				.disable	= s5pv310_pd_disable,
+				.enable		= exynos4_pd_enable,
+				.disable	= exynos4_pd_disable,
 				.base		= S5P_PMU_CAM_CONF,
 			},
 		},
@@ -130,8 +130,8 @@ struct platform_device s5pv310_device_pd[] = {
 		.id		= 6,
 		.dev = {
 			.platform_data = &(struct samsung_pd_info) {
-				.enable		= s5pv310_pd_enable,
-				.disable	= s5pv310_pd_disable,
+				.enable		= exynos4_pd_enable,
+				.disable	= exynos4_pd_disable,
 				.base		= S5P_PMU_GPS_CONF,
 			},
 		},
diff --git a/arch/arm/mach-s5pv310/dev-sysmmu.c b/arch/arm/mach-exynos4/dev-sysmmu.c
index e1bb200ac0f0..a10790a614ec 100644
--- a/arch/arm/mach-s5pv310/dev-sysmmu.c
+++ b/arch/arm/mach-exynos4/dev-sysmmu.c
@@ -1,8 +1,10 @@
-/* linux/arch/arm/mach-s5pv310/dev-sysmmu.c
+/* linux/arch/arm/mach-exynos4/dev-sysmmu.c
  *
  * Copyright (c) 2010 Samsung Electronics Co., Ltd.
  *		http://www.samsung.com
  *
+ * EXYNOS4 - System MMU 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.
@@ -14,10 +16,10 @@
 #include <mach/map.h>
 #include <mach/irqs.h>
 
-static struct resource s5pv310_sysmmu_resource[] = {
+static struct resource exynos4_sysmmu_resource[] = {
 	[0] = {
-		.start	= S5PV310_PA_SYSMMU_MDMA,
-		.end	= S5PV310_PA_SYSMMU_MDMA + SZ_64K - 1,
+		.start	= EXYNOS4_PA_SYSMMU_MDMA,
+		.end	= EXYNOS4_PA_SYSMMU_MDMA + SZ_64K - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 	[1] = {
@@ -26,8 +28,8 @@ static struct resource s5pv310_sysmmu_resource[] = {
 		.flags	= IORESOURCE_IRQ,
 	},
 	[2] = {
-		.start	= S5PV310_PA_SYSMMU_SSS,
-		.end	= S5PV310_PA_SYSMMU_SSS + SZ_64K - 1,
+		.start	= EXYNOS4_PA_SYSMMU_SSS,
+		.end	= EXYNOS4_PA_SYSMMU_SSS + SZ_64K - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 	[3] = {
@@ -36,8 +38,8 @@ static struct resource s5pv310_sysmmu_resource[] = {
 		.flags	= IORESOURCE_IRQ,
 	},
 	[4] = {
-		.start	= S5PV310_PA_SYSMMU_FIMC0,
-		.end	= S5PV310_PA_SYSMMU_FIMC0 + SZ_64K - 1,
+		.start	= EXYNOS4_PA_SYSMMU_FIMC0,
+		.end	= EXYNOS4_PA_SYSMMU_FIMC0 + SZ_64K - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 	[5] = {
@@ -46,8 +48,8 @@ static struct resource s5pv310_sysmmu_resource[] = {
 		.flags	= IORESOURCE_IRQ,
 	},
 	[6] = {
-		.start	= S5PV310_PA_SYSMMU_FIMC1,
-		.end	= S5PV310_PA_SYSMMU_FIMC1 + SZ_64K - 1,
+		.start	= EXYNOS4_PA_SYSMMU_FIMC1,
+		.end	= EXYNOS4_PA_SYSMMU_FIMC1 + SZ_64K - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 	[7] = {
@@ -56,8 +58,8 @@ static struct resource s5pv310_sysmmu_resource[] = {
 		.flags	= IORESOURCE_IRQ,
 	},
 	[8] = {
-		.start	= S5PV310_PA_SYSMMU_FIMC2,
-		.end	= S5PV310_PA_SYSMMU_FIMC2 + SZ_64K - 1,
+		.start	= EXYNOS4_PA_SYSMMU_FIMC2,
+		.end	= EXYNOS4_PA_SYSMMU_FIMC2 + SZ_64K - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 	[9] = {
@@ -66,8 +68,8 @@ static struct resource s5pv310_sysmmu_resource[] = {
 		.flags	= IORESOURCE_IRQ,
 	},
 	[10] = {
-		.start	= S5PV310_PA_SYSMMU_FIMC3,
-		.end	= S5PV310_PA_SYSMMU_FIMC3 + SZ_64K - 1,
+		.start	= EXYNOS4_PA_SYSMMU_FIMC3,
+		.end	= EXYNOS4_PA_SYSMMU_FIMC3 + SZ_64K - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 	[11] = {
@@ -76,8 +78,8 @@ static struct resource s5pv310_sysmmu_resource[] = {
 		.flags	= IORESOURCE_IRQ,
 	},
 	[12] = {
-		.start	= S5PV310_PA_SYSMMU_JPEG,
-		.end	= S5PV310_PA_SYSMMU_JPEG + SZ_64K - 1,
+		.start	= EXYNOS4_PA_SYSMMU_JPEG,
+		.end	= EXYNOS4_PA_SYSMMU_JPEG + SZ_64K - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 	[13] = {
@@ -86,8 +88,8 @@ static struct resource s5pv310_sysmmu_resource[] = {
 		.flags	= IORESOURCE_IRQ,
 	},
 	[14] = {
-		.start	= S5PV310_PA_SYSMMU_FIMD0,
-		.end	= S5PV310_PA_SYSMMU_FIMD0 + SZ_64K - 1,
+		.start	= EXYNOS4_PA_SYSMMU_FIMD0,
+		.end	= EXYNOS4_PA_SYSMMU_FIMD0 + SZ_64K - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 	[15] = {
@@ -96,8 +98,8 @@ static struct resource s5pv310_sysmmu_resource[] = {
 		.flags	= IORESOURCE_IRQ,
 	},
 	[16] = {
-		.start	= S5PV310_PA_SYSMMU_FIMD1,
-		.end	= S5PV310_PA_SYSMMU_FIMD1 + SZ_64K - 1,
+		.start	= EXYNOS4_PA_SYSMMU_FIMD1,
+		.end	= EXYNOS4_PA_SYSMMU_FIMD1 + SZ_64K - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 	[17] = {
@@ -106,8 +108,8 @@ static struct resource s5pv310_sysmmu_resource[] = {
 		.flags	= IORESOURCE_IRQ,
 	},
 	[18] = {
-		.start	= S5PV310_PA_SYSMMU_PCIe,
-		.end	= S5PV310_PA_SYSMMU_PCIe + SZ_64K - 1,
+		.start	= EXYNOS4_PA_SYSMMU_PCIe,
+		.end	= EXYNOS4_PA_SYSMMU_PCIe + SZ_64K - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 	[19] = {
@@ -116,8 +118,8 @@ static struct resource s5pv310_sysmmu_resource[] = {
 		.flags	= IORESOURCE_IRQ,
 	},
 	[20] = {
-		.start	= S5PV310_PA_SYSMMU_G2D,
-		.end	= S5PV310_PA_SYSMMU_G2D + SZ_64K - 1,
+		.start	= EXYNOS4_PA_SYSMMU_G2D,
+		.end	= EXYNOS4_PA_SYSMMU_G2D + SZ_64K - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 	[21] = {
@@ -126,8 +128,8 @@ static struct resource s5pv310_sysmmu_resource[] = {
 		.flags	= IORESOURCE_IRQ,
 	},
 	[22] = {
-		.start	= S5PV310_PA_SYSMMU_ROTATOR,
-		.end	= S5PV310_PA_SYSMMU_ROTATOR + SZ_64K - 1,
+		.start	= EXYNOS4_PA_SYSMMU_ROTATOR,
+		.end	= EXYNOS4_PA_SYSMMU_ROTATOR + SZ_64K - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 	[23] = {
@@ -136,8 +138,8 @@ static struct resource s5pv310_sysmmu_resource[] = {
 		.flags	= IORESOURCE_IRQ,
 	},
 	[24] = {
-		.start	= S5PV310_PA_SYSMMU_MDMA2,
-		.end	= S5PV310_PA_SYSMMU_MDMA2 + SZ_64K - 1,
+		.start	= EXYNOS4_PA_SYSMMU_MDMA2,
+		.end	= EXYNOS4_PA_SYSMMU_MDMA2 + SZ_64K - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 	[25] = {
@@ -146,8 +148,8 @@ static struct resource s5pv310_sysmmu_resource[] = {
 		.flags	= IORESOURCE_IRQ,
 	},
 	[26] = {
-		.start	= S5PV310_PA_SYSMMU_TV,
-		.end	= S5PV310_PA_SYSMMU_TV + SZ_64K - 1,
+		.start	= EXYNOS4_PA_SYSMMU_TV,
+		.end	= EXYNOS4_PA_SYSMMU_TV + SZ_64K - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 	[27] = {
@@ -156,8 +158,8 @@ static struct resource s5pv310_sysmmu_resource[] = {
 		.flags	= IORESOURCE_IRQ,
 	},
 	[28] = {
-		.start	= S5PV310_PA_SYSMMU_MFC_L,
-		.end	= S5PV310_PA_SYSMMU_MFC_L + SZ_64K - 1,
+		.start	= EXYNOS4_PA_SYSMMU_MFC_L,
+		.end	= EXYNOS4_PA_SYSMMU_MFC_L + SZ_64K - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 	[29] = {
@@ -166,8 +168,8 @@ static struct resource s5pv310_sysmmu_resource[] = {
 		.flags	= IORESOURCE_IRQ,
 	},
 	[30] = {
-		.start	= S5PV310_PA_SYSMMU_MFC_R,
-		.end	= S5PV310_PA_SYSMMU_MFC_R + SZ_64K - 1,
+		.start	= EXYNOS4_PA_SYSMMU_MFC_R,
+		.end	= EXYNOS4_PA_SYSMMU_MFC_R + SZ_64K - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 	[31] = {
@@ -177,11 +179,11 @@ static struct resource s5pv310_sysmmu_resource[] = {
 	},
 };
 
-struct platform_device s5pv310_device_sysmmu = {
+struct platform_device exynos4_device_sysmmu = {
 	.name		= "s5p-sysmmu",
 	.id		= 32,
-	.num_resources	= ARRAY_SIZE(s5pv310_sysmmu_resource),
-	.resource	= s5pv310_sysmmu_resource,
+	.num_resources	= ARRAY_SIZE(exynos4_sysmmu_resource),
+	.resource	= exynos4_sysmmu_resource,
 };
 
-EXPORT_SYMBOL(s5pv310_device_sysmmu);
+EXPORT_SYMBOL(exynos4_device_sysmmu);
diff --git a/arch/arm/mach-s5pv310/dma.c b/arch/arm/mach-exynos4/dma.c
index 20066c7c9e56..564bb530f332 100644
--- a/arch/arm/mach-s5pv310/dma.c
+++ b/arch/arm/mach-exynos4/dma.c
@@ -1,4 +1,8 @@
-/*
+/* linux/arch/arm/mach-exynos4/dma.c
+ *
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
+ *
  * Copyright (C) 2010 Samsung Electronics Co. Ltd.
  *	Jaswinder Singh <jassi.brar@samsung.com>
  *
@@ -30,10 +34,10 @@
 
 static u64 dma_dmamask = DMA_BIT_MASK(32);
 
-static struct resource s5pv310_pdma0_resource[] = {
+static struct resource exynos4_pdma0_resource[] = {
 	[0] = {
-		.start	= S5PV310_PA_PDMA0,
-		.end	= S5PV310_PA_PDMA0 + SZ_4K,
+		.start	= EXYNOS4_PA_PDMA0,
+		.end	= EXYNOS4_PA_PDMA0 + SZ_4K,
 		.flags	= IORESOURCE_MEM,
 	},
 	[1] = {
@@ -43,7 +47,7 @@ static struct resource s5pv310_pdma0_resource[] = {
 	},
 };
 
-static struct s3c_pl330_platdata s5pv310_pdma0_pdata = {
+static struct s3c_pl330_platdata exynos4_pdma0_pdata = {
 	.peri = {
 		[0] = DMACH_PCM0_RX,
 		[1] = DMACH_PCM0_TX,
@@ -80,22 +84,22 @@ static struct s3c_pl330_platdata s5pv310_pdma0_pdata = {
 	},
 };
 
-static struct platform_device s5pv310_device_pdma0 = {
+static struct platform_device exynos4_device_pdma0 = {
 	.name		= "s3c-pl330",
 	.id		= 0,
-	.num_resources	= ARRAY_SIZE(s5pv310_pdma0_resource),
-	.resource	= s5pv310_pdma0_resource,
+	.num_resources	= ARRAY_SIZE(exynos4_pdma0_resource),
+	.resource	= exynos4_pdma0_resource,
 	.dev		= {
 		.dma_mask = &dma_dmamask,
 		.coherent_dma_mask = DMA_BIT_MASK(32),
-		.platform_data = &s5pv310_pdma0_pdata,
+		.platform_data = &exynos4_pdma0_pdata,
 	},
 };
 
-static struct resource s5pv310_pdma1_resource[] = {
+static struct resource exynos4_pdma1_resource[] = {
 	[0] = {
-		.start	= S5PV310_PA_PDMA1,
-		.end	= S5PV310_PA_PDMA1 + SZ_4K,
+		.start	= EXYNOS4_PA_PDMA1,
+		.end	= EXYNOS4_PA_PDMA1 + SZ_4K,
 		.flags	= IORESOURCE_MEM,
 	},
 	[1] = {
@@ -105,7 +109,7 @@ static struct resource s5pv310_pdma1_resource[] = {
 	},
 };
 
-static struct s3c_pl330_platdata s5pv310_pdma1_pdata = {
+static struct s3c_pl330_platdata exynos4_pdma1_pdata = {
 	.peri = {
 		[0] = DMACH_PCM0_RX,
 		[1] = DMACH_PCM0_TX,
@@ -142,27 +146,27 @@ static struct s3c_pl330_platdata s5pv310_pdma1_pdata = {
 	},
 };
 
-static struct platform_device s5pv310_device_pdma1 = {
+static struct platform_device exynos4_device_pdma1 = {
 	.name		= "s3c-pl330",
 	.id		= 1,
-	.num_resources	= ARRAY_SIZE(s5pv310_pdma1_resource),
-	.resource	= s5pv310_pdma1_resource,
+	.num_resources	= ARRAY_SIZE(exynos4_pdma1_resource),
+	.resource	= exynos4_pdma1_resource,
 	.dev		= {
 		.dma_mask = &dma_dmamask,
 		.coherent_dma_mask = DMA_BIT_MASK(32),
-		.platform_data = &s5pv310_pdma1_pdata,
+		.platform_data = &exynos4_pdma1_pdata,
 	},
 };
 
-static struct platform_device *s5pv310_dmacs[] __initdata = {
-	&s5pv310_device_pdma0,
-	&s5pv310_device_pdma1,
+static struct platform_device *exynos4_dmacs[] __initdata = {
+	&exynos4_device_pdma0,
+	&exynos4_device_pdma1,
 };
 
-static int __init s5pv310_dma_init(void)
+static int __init exynos4_dma_init(void)
 {
-	platform_add_devices(s5pv310_dmacs, ARRAY_SIZE(s5pv310_dmacs));
+	platform_add_devices(exynos4_dmacs, ARRAY_SIZE(exynos4_dmacs));
 
 	return 0;
 }
-arch_initcall(s5pv310_dma_init);
+arch_initcall(exynos4_dma_init);
diff --git a/arch/arm/mach-s5pv310/gpiolib.c b/arch/arm/mach-exynos4/gpiolib.c
index 55217b8923ec..c46fdc57d94c 100644
--- a/arch/arm/mach-s5pv310/gpiolib.c
+++ b/arch/arm/mach-exynos4/gpiolib.c
@@ -1,9 +1,9 @@
-/* linux/arch/arm/mach-s5pv310/gpiolib.c
+/* linux/arch/arm/mach-exynos4/gpiolib.c
  *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
  *		http://www.samsung.com
  *
- * S5PV310 - GPIOlib support
+ * EXYNOS4 - GPIOlib 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
@@ -43,159 +43,159 @@ static struct s3c_gpio_cfg gpio_cfg_noint = {
  * Note: The initialization of 'base' member of s3c_gpio_chip structure
  * uses the above macro and depends on the banks being listed in order here.
  */
-static struct s3c_gpio_chip s5pv310_gpio_part1_4bit[] = {
+static struct s3c_gpio_chip exynos4_gpio_part1_4bit[] = {
 	{
 		.chip	= {
-			.base	= S5PV310_GPA0(0),
-			.ngpio	= S5PV310_GPIO_A0_NR,
+			.base	= EXYNOS4_GPA0(0),
+			.ngpio	= EXYNOS4_GPIO_A0_NR,
 			.label	= "GPA0",
 		},
 	}, {
 		.chip	= {
-			.base	= S5PV310_GPA1(0),
-			.ngpio	= S5PV310_GPIO_A1_NR,
+			.base	= EXYNOS4_GPA1(0),
+			.ngpio	= EXYNOS4_GPIO_A1_NR,
 			.label	= "GPA1",
 		},
 	}, {
 		.chip	= {
-			.base	= S5PV310_GPB(0),
-			.ngpio	= S5PV310_GPIO_B_NR,
+			.base	= EXYNOS4_GPB(0),
+			.ngpio	= EXYNOS4_GPIO_B_NR,
 			.label	= "GPB",
 		},
 	}, {
 		.chip	= {
-			.base	= S5PV310_GPC0(0),
-			.ngpio	= S5PV310_GPIO_C0_NR,
+			.base	= EXYNOS4_GPC0(0),
+			.ngpio	= EXYNOS4_GPIO_C0_NR,
 			.label	= "GPC0",
 		},
 	}, {
 		.chip	= {
-			.base	= S5PV310_GPC1(0),
-			.ngpio	= S5PV310_GPIO_C1_NR,
+			.base	= EXYNOS4_GPC1(0),
+			.ngpio	= EXYNOS4_GPIO_C1_NR,
 			.label	= "GPC1",
 		},
 	}, {
 		.chip	= {
-			.base	= S5PV310_GPD0(0),
-			.ngpio	= S5PV310_GPIO_D0_NR,
+			.base	= EXYNOS4_GPD0(0),
+			.ngpio	= EXYNOS4_GPIO_D0_NR,
 			.label	= "GPD0",
 		},
 	}, {
 		.chip	= {
-			.base	= S5PV310_GPD1(0),
-			.ngpio	= S5PV310_GPIO_D1_NR,
+			.base	= EXYNOS4_GPD1(0),
+			.ngpio	= EXYNOS4_GPIO_D1_NR,
 			.label	= "GPD1",
 		},
 	}, {
 		.chip	= {
-			.base	= S5PV310_GPE0(0),
-			.ngpio	= S5PV310_GPIO_E0_NR,
+			.base	= EXYNOS4_GPE0(0),
+			.ngpio	= EXYNOS4_GPIO_E0_NR,
 			.label	= "GPE0",
 		},
 	}, {
 		.chip	= {
-			.base	= S5PV310_GPE1(0),
-			.ngpio	= S5PV310_GPIO_E1_NR,
+			.base	= EXYNOS4_GPE1(0),
+			.ngpio	= EXYNOS4_GPIO_E1_NR,
 			.label	= "GPE1",
 		},
 	}, {
 		.chip	= {
-			.base	= S5PV310_GPE2(0),
-			.ngpio	= S5PV310_GPIO_E2_NR,
+			.base	= EXYNOS4_GPE2(0),
+			.ngpio	= EXYNOS4_GPIO_E2_NR,
 			.label	= "GPE2",
 		},
 	}, {
 		.chip	= {
-			.base	= S5PV310_GPE3(0),
-			.ngpio	= S5PV310_GPIO_E3_NR,
+			.base	= EXYNOS4_GPE3(0),
+			.ngpio	= EXYNOS4_GPIO_E3_NR,
 			.label	= "GPE3",
 		},
 	}, {
 		.chip	= {
-			.base	= S5PV310_GPE4(0),
-			.ngpio	= S5PV310_GPIO_E4_NR,
+			.base	= EXYNOS4_GPE4(0),
+			.ngpio	= EXYNOS4_GPIO_E4_NR,
 			.label	= "GPE4",
 		},
 	}, {
 		.chip	= {
-			.base	= S5PV310_GPF0(0),
-			.ngpio	= S5PV310_GPIO_F0_NR,
+			.base	= EXYNOS4_GPF0(0),
+			.ngpio	= EXYNOS4_GPIO_F0_NR,
 			.label	= "GPF0",
 		},
 	}, {
 		.chip	= {
-			.base	= S5PV310_GPF1(0),
-			.ngpio	= S5PV310_GPIO_F1_NR,
+			.base	= EXYNOS4_GPF1(0),
+			.ngpio	= EXYNOS4_GPIO_F1_NR,
 			.label	= "GPF1",
 		},
 	}, {
 		.chip	= {
-			.base	= S5PV310_GPF2(0),
-			.ngpio	= S5PV310_GPIO_F2_NR,
+			.base	= EXYNOS4_GPF2(0),
+			.ngpio	= EXYNOS4_GPIO_F2_NR,
 			.label	= "GPF2",
 		},
 	}, {
 		.chip	= {
-			.base	= S5PV310_GPF3(0),
-			.ngpio	= S5PV310_GPIO_F3_NR,
+			.base	= EXYNOS4_GPF3(0),
+			.ngpio	= EXYNOS4_GPIO_F3_NR,
 			.label	= "GPF3",
 		},
 	},
 };
 
-static struct s3c_gpio_chip s5pv310_gpio_part2_4bit[] = {
+static struct s3c_gpio_chip exynos4_gpio_part2_4bit[] = {
 	{
 		.chip	= {
-			.base	= S5PV310_GPJ0(0),
-			.ngpio	= S5PV310_GPIO_J0_NR,
+			.base	= EXYNOS4_GPJ0(0),
+			.ngpio	= EXYNOS4_GPIO_J0_NR,
 			.label	= "GPJ0",
 		},
 	}, {
 		.chip	= {
-			.base	= S5PV310_GPJ1(0),
-			.ngpio	= S5PV310_GPIO_J1_NR,
+			.base	= EXYNOS4_GPJ1(0),
+			.ngpio	= EXYNOS4_GPIO_J1_NR,
 			.label	= "GPJ1",
 		},
 	}, {
 		.chip	= {
-			.base	= S5PV310_GPK0(0),
-			.ngpio	= S5PV310_GPIO_K0_NR,
+			.base	= EXYNOS4_GPK0(0),
+			.ngpio	= EXYNOS4_GPIO_K0_NR,
 			.label	= "GPK0",
 		},
 	}, {
 		.chip	= {
-			.base	= S5PV310_GPK1(0),
-			.ngpio	= S5PV310_GPIO_K1_NR,
+			.base	= EXYNOS4_GPK1(0),
+			.ngpio	= EXYNOS4_GPIO_K1_NR,
 			.label	= "GPK1",
 		},
 	}, {
 		.chip	= {
-			.base	= S5PV310_GPK2(0),
-			.ngpio	= S5PV310_GPIO_K2_NR,
+			.base	= EXYNOS4_GPK2(0),
+			.ngpio	= EXYNOS4_GPIO_K2_NR,
 			.label	= "GPK2",
 		},
 	}, {
 		.chip	= {
-			.base	= S5PV310_GPK3(0),
-			.ngpio	= S5PV310_GPIO_K3_NR,
+			.base	= EXYNOS4_GPK3(0),
+			.ngpio	= EXYNOS4_GPIO_K3_NR,
 			.label	= "GPK3",
 		},
 	}, {
 		.chip	= {
-			.base	= S5PV310_GPL0(0),
-			.ngpio	= S5PV310_GPIO_L0_NR,
+			.base	= EXYNOS4_GPL0(0),
+			.ngpio	= EXYNOS4_GPIO_L0_NR,
 			.label	= "GPL0",
 		},
 	}, {
 		.chip	= {
-			.base	= S5PV310_GPL1(0),
-			.ngpio	= S5PV310_GPIO_L1_NR,
+			.base	= EXYNOS4_GPL1(0),
+			.ngpio	= EXYNOS4_GPIO_L1_NR,
 			.label	= "GPL1",
 		},
 	}, {
 		.chip	= {
-			.base	= S5PV310_GPL2(0),
-			.ngpio	= S5PV310_GPIO_L2_NR,
+			.base	= EXYNOS4_GPL2(0),
+			.ngpio	= EXYNOS4_GPIO_L2_NR,
 			.label	= "GPL2",
 		},
 	}, {
@@ -203,8 +203,8 @@ static struct s3c_gpio_chip s5pv310_gpio_part2_4bit[] = {
 		.config	= &gpio_cfg_noint,
 		.irq_base = IRQ_EINT(0),
 		.chip	= {
-			.base	= S5PV310_GPX0(0),
-			.ngpio	= S5PV310_GPIO_X0_NR,
+			.base	= EXYNOS4_GPX0(0),
+			.ngpio	= EXYNOS4_GPIO_X0_NR,
 			.label	= "GPX0",
 			.to_irq	= samsung_gpiolib_to_irq,
 		},
@@ -213,8 +213,8 @@ static struct s3c_gpio_chip s5pv310_gpio_part2_4bit[] = {
 		.config	= &gpio_cfg_noint,
 		.irq_base = IRQ_EINT(8),
 		.chip	= {
-			.base	= S5PV310_GPX1(0),
-			.ngpio	= S5PV310_GPIO_X1_NR,
+			.base	= EXYNOS4_GPX1(0),
+			.ngpio	= EXYNOS4_GPIO_X1_NR,
 			.label	= "GPX1",
 			.to_irq	= samsung_gpiolib_to_irq,
 		},
@@ -223,8 +223,8 @@ static struct s3c_gpio_chip s5pv310_gpio_part2_4bit[] = {
 		.config	= &gpio_cfg_noint,
 		.irq_base = IRQ_EINT(16),
 		.chip	= {
-			.base	= S5PV310_GPX2(0),
-			.ngpio	= S5PV310_GPIO_X2_NR,
+			.base	= EXYNOS4_GPX2(0),
+			.ngpio	= EXYNOS4_GPIO_X2_NR,
 			.label	= "GPX2",
 			.to_irq	= samsung_gpiolib_to_irq,
 		},
@@ -233,25 +233,25 @@ static struct s3c_gpio_chip s5pv310_gpio_part2_4bit[] = {
 		.config	= &gpio_cfg_noint,
 		.irq_base = IRQ_EINT(24),
 		.chip	= {
-			.base	= S5PV310_GPX3(0),
-			.ngpio	= S5PV310_GPIO_X3_NR,
+			.base	= EXYNOS4_GPX3(0),
+			.ngpio	= EXYNOS4_GPIO_X3_NR,
 			.label	= "GPX3",
 			.to_irq	= samsung_gpiolib_to_irq,
 		},
 	},
 };
 
-static struct s3c_gpio_chip s5pv310_gpio_part3_4bit[] = {
+static struct s3c_gpio_chip exynos4_gpio_part3_4bit[] = {
 	{
 		.chip	= {
-			.base	= S5PV310_GPZ(0),
-			.ngpio	= S5PV310_GPIO_Z_NR,
+			.base	= EXYNOS4_GPZ(0),
+			.ngpio	= EXYNOS4_GPIO_Z_NR,
 			.label	= "GPZ",
 		},
 	},
 };
 
-static __init int s5pv310_gpiolib_init(void)
+static __init int exynos4_gpiolib_init(void)
 {
 	struct s3c_gpio_chip *chip;
 	int i;
@@ -259,8 +259,8 @@ static __init int s5pv310_gpiolib_init(void)
 
 	/* GPIO part 1 */
 
-	chip = s5pv310_gpio_part1_4bit;
-	nr_chips = ARRAY_SIZE(s5pv310_gpio_part1_4bit);
+	chip = exynos4_gpio_part1_4bit;
+	nr_chips = ARRAY_SIZE(exynos4_gpio_part1_4bit);
 
 	for (i = 0; i < nr_chips; i++, chip++) {
 		if (chip->config == NULL)
@@ -269,12 +269,12 @@ static __init int s5pv310_gpiolib_init(void)
 			chip->base = S5P_VA_GPIO1 + (i) * 0x20;
 	}
 
-	samsung_gpiolib_add_4bit_chips(s5pv310_gpio_part1_4bit, nr_chips);
+	samsung_gpiolib_add_4bit_chips(exynos4_gpio_part1_4bit, nr_chips);
 
 	/* GPIO part 2 */
 
-	chip = s5pv310_gpio_part2_4bit;
-	nr_chips = ARRAY_SIZE(s5pv310_gpio_part2_4bit);
+	chip = exynos4_gpio_part2_4bit;
+	nr_chips = ARRAY_SIZE(exynos4_gpio_part2_4bit);
 
 	for (i = 0; i < nr_chips; i++, chip++) {
 		if (chip->config == NULL)
@@ -283,12 +283,12 @@ static __init int s5pv310_gpiolib_init(void)
 			chip->base = S5P_VA_GPIO2 + (i) * 0x20;
 	}
 
-	samsung_gpiolib_add_4bit_chips(s5pv310_gpio_part2_4bit, nr_chips);
+	samsung_gpiolib_add_4bit_chips(exynos4_gpio_part2_4bit, nr_chips);
 
 	/* GPIO part 3 */
 
-	chip = s5pv310_gpio_part3_4bit;
-	nr_chips = ARRAY_SIZE(s5pv310_gpio_part3_4bit);
+	chip = exynos4_gpio_part3_4bit;
+	nr_chips = ARRAY_SIZE(exynos4_gpio_part3_4bit);
 
 	for (i = 0; i < nr_chips; i++, chip++) {
 		if (chip->config == NULL)
@@ -297,8 +297,8 @@ static __init int s5pv310_gpiolib_init(void)
 			chip->base = S5P_VA_GPIO3 + (i) * 0x20;
 	}
 
-	samsung_gpiolib_add_4bit_chips(s5pv310_gpio_part3_4bit, nr_chips);
+	samsung_gpiolib_add_4bit_chips(exynos4_gpio_part3_4bit, nr_chips);
 
 	return 0;
 }
-core_initcall(s5pv310_gpiolib_init);
+core_initcall(exynos4_gpiolib_init);
diff --git a/arch/arm/mach-s5pv310/headsmp.S b/arch/arm/mach-exynos4/headsmp.S
index 164b7b045713..6c6cfc50c46b 100644
--- a/arch/arm/mach-s5pv310/headsmp.S
+++ b/arch/arm/mach-exynos4/headsmp.S
@@ -1,5 +1,5 @@
 /*
- *  linux/arch/arm/mach-s5pv310/headsmp.S
+ *  linux/arch/arm/mach-exynos4/headsmp.S
  *
  *  Cloned from linux/arch/arm/mach-realview/headsmp.S
  *
@@ -16,11 +16,11 @@
 	__INIT
 
 /*
- * s5pv310 specific entry point for secondary CPUs.  This provides
+ * exynos4 specific entry point for secondary CPUs.  This provides
  * a "holding pen" into which all secondary cores are held until we're
  * ready for them to initialise.
  */
-ENTRY(s5pv310_secondary_startup)
+ENTRY(exynos4_secondary_startup)
 	mrc	p15, 0, r0, c0, c0, 5
 	and	r0, r0, #15
 	adr	r4, 1f
diff --git a/arch/arm/mach-s5pv310/hotplug.c b/arch/arm/mach-exynos4/hotplug.c
index c24235c89eed..2b5909e2ccd3 100644
--- a/arch/arm/mach-s5pv310/hotplug.c
+++ b/arch/arm/mach-exynos4/hotplug.c
@@ -1,4 +1,4 @@
-/* linux arch/arm/mach-s5pv310/hotplug.c
+/* linux arch/arm/mach-exynos4/hotplug.c
  *
  *  Cloned from linux/arch/arm/mach-realview/hotplug.c
  *
@@ -30,13 +30,13 @@ static inline void cpu_enter_lowpower(void)
 	 * Turn off coherency
 	 */
 	"	mrc	p15, 0, %0, c1, c0, 1\n"
-	"	bic	%0, %0, #0x20\n"
+	"	bic	%0, %0, %3\n"
 	"	mcr	p15, 0, %0, c1, c0, 1\n"
 	"	mrc	p15, 0, %0, c1, c0, 0\n"
 	"	bic	%0, %0, %2\n"
 	"	mcr	p15, 0, %0, c1, c0, 0\n"
 	  : "=&r" (v)
-	  : "r" (0), "Ir" (CR_C)
+	  : "r" (0), "Ir" (CR_C), "Ir" (0x40)
 	  : "cc");
 }
 
@@ -49,10 +49,10 @@ static inline void cpu_leave_lowpower(void)
 	"	orr	%0, %0, %1\n"
 	"	mcr	p15, 0, %0, c1, c0, 0\n"
 	"	mrc	p15, 0, %0, c1, c0, 1\n"
-	"	orr	%0, %0, #0x20\n"
+	"	orr	%0, %0, %2\n"
 	"	mcr	p15, 0, %0, c1, c0, 1\n"
 	  : "=&r" (v)
-	  : "Ir" (CR_C)
+	  : "Ir" (CR_C), "Ir" (0x40)
 	  : "cc");
 }
 
diff --git a/arch/arm/mach-s5pv310/include/mach/debug-macro.S b/arch/arm/mach-exynos4/include/mach/debug-macro.S
index b0d920c474d3..58bbd049a6c4 100644
--- a/arch/arm/mach-s5pv310/include/mach/debug-macro.S
+++ b/arch/arm/mach-exynos4/include/mach/debug-macro.S
@@ -1,7 +1,7 @@
-/* linux/arch/arm/mach-s5pv310/include/mach/debug-macro.S
+/* linux/arch/arm/mach-exynos4/include/mach/debug-macro.S
  *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com/
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
  *
  * Based on arch/arm/mach-s3c6400/include/mach/debug-macro.S
  *
diff --git a/arch/arm/mach-s5pv310/include/mach/dma.h b/arch/arm/mach-exynos4/include/mach/dma.h
index 81209eb1409b..81209eb1409b 100644
--- a/arch/arm/mach-s5pv310/include/mach/dma.h
+++ b/arch/arm/mach-exynos4/include/mach/dma.h
diff --git a/arch/arm/mach-s5pv310/include/mach/entry-macro.S b/arch/arm/mach-exynos4/include/mach/entry-macro.S
index e600e1d522df..d8f38c2e5654 100644
--- a/arch/arm/mach-s5pv310/include/mach/entry-macro.S
+++ b/arch/arm/mach-exynos4/include/mach/entry-macro.S
@@ -1,8 +1,8 @@
-/* arch/arm/mach-s5pv310/include/mach/entry-macro.S
+/* arch/arm/mach-exynos4/include/mach/entry-macro.S
  *
  * Cloned from arch/arm/mach-realview/include/mach/entry-macro.S
  *
- * Low-level IRQ helper macros for S5PV310 platforms
+ * Low-level IRQ helper macros for EXYNOS4 platforms
  *
  * This file is licensed under  the terms of the GNU General Public
  * License version 2. This program is licensed "as is" without any
diff --git a/arch/arm/mach-exynos4/include/mach/gpio.h b/arch/arm/mach-exynos4/include/mach/gpio.h
new file mode 100644
index 000000000000..16082998bcd8
--- /dev/null
+++ b/arch/arm/mach-exynos4/include/mach/gpio.h
@@ -0,0 +1,135 @@
+/* linux/arch/arm/mach-exynos4/include/mach/gpio.h
+ *
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
+ *
+ * EXYNOS4 - GPIO lib 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.
+*/
+
+#ifndef __ASM_ARCH_GPIO_H
+#define __ASM_ARCH_GPIO_H __FILE__
+
+#define gpio_get_value	__gpio_get_value
+#define gpio_set_value	__gpio_set_value
+#define gpio_cansleep	__gpio_cansleep
+#define gpio_to_irq	__gpio_to_irq
+
+/* Practically, GPIO banks upto GPZ are the configurable gpio banks */
+
+/* GPIO bank sizes */
+#define EXYNOS4_GPIO_A0_NR	(8)
+#define EXYNOS4_GPIO_A1_NR	(6)
+#define EXYNOS4_GPIO_B_NR	(8)
+#define EXYNOS4_GPIO_C0_NR	(5)
+#define EXYNOS4_GPIO_C1_NR	(5)
+#define EXYNOS4_GPIO_D0_NR	(4)
+#define EXYNOS4_GPIO_D1_NR	(4)
+#define EXYNOS4_GPIO_E0_NR	(5)
+#define EXYNOS4_GPIO_E1_NR	(8)
+#define EXYNOS4_GPIO_E2_NR	(6)
+#define EXYNOS4_GPIO_E3_NR	(8)
+#define EXYNOS4_GPIO_E4_NR	(8)
+#define EXYNOS4_GPIO_F0_NR	(8)
+#define EXYNOS4_GPIO_F1_NR	(8)
+#define EXYNOS4_GPIO_F2_NR	(8)
+#define EXYNOS4_GPIO_F3_NR	(6)
+#define EXYNOS4_GPIO_J0_NR	(8)
+#define EXYNOS4_GPIO_J1_NR	(5)
+#define EXYNOS4_GPIO_K0_NR	(7)
+#define EXYNOS4_GPIO_K1_NR	(7)
+#define EXYNOS4_GPIO_K2_NR	(7)
+#define EXYNOS4_GPIO_K3_NR	(7)
+#define EXYNOS4_GPIO_L0_NR	(8)
+#define EXYNOS4_GPIO_L1_NR	(3)
+#define EXYNOS4_GPIO_L2_NR	(8)
+#define EXYNOS4_GPIO_X0_NR	(8)
+#define EXYNOS4_GPIO_X1_NR	(8)
+#define EXYNOS4_GPIO_X2_NR	(8)
+#define EXYNOS4_GPIO_X3_NR	(8)
+#define EXYNOS4_GPIO_Z_NR	(7)
+
+/* GPIO bank numbers */
+
+#define EXYNOS4_GPIO_NEXT(__gpio) \
+	((__gpio##_START) + (__gpio##_NR) + CONFIG_S3C_GPIO_SPACE + 1)
+
+enum s5p_gpio_number {
+	EXYNOS4_GPIO_A0_START	= 0,
+	EXYNOS4_GPIO_A1_START	= EXYNOS4_GPIO_NEXT(EXYNOS4_GPIO_A0),
+	EXYNOS4_GPIO_B_START	= EXYNOS4_GPIO_NEXT(EXYNOS4_GPIO_A1),
+	EXYNOS4_GPIO_C0_START	= EXYNOS4_GPIO_NEXT(EXYNOS4_GPIO_B),
+	EXYNOS4_GPIO_C1_START	= EXYNOS4_GPIO_NEXT(EXYNOS4_GPIO_C0),
+	EXYNOS4_GPIO_D0_START	= EXYNOS4_GPIO_NEXT(EXYNOS4_GPIO_C1),
+	EXYNOS4_GPIO_D1_START	= EXYNOS4_GPIO_NEXT(EXYNOS4_GPIO_D0),
+	EXYNOS4_GPIO_E0_START	= EXYNOS4_GPIO_NEXT(EXYNOS4_GPIO_D1),
+	EXYNOS4_GPIO_E1_START	= EXYNOS4_GPIO_NEXT(EXYNOS4_GPIO_E0),
+	EXYNOS4_GPIO_E2_START	= EXYNOS4_GPIO_NEXT(EXYNOS4_GPIO_E1),
+	EXYNOS4_GPIO_E3_START	= EXYNOS4_GPIO_NEXT(EXYNOS4_GPIO_E2),
+	EXYNOS4_GPIO_E4_START	= EXYNOS4_GPIO_NEXT(EXYNOS4_GPIO_E3),
+	EXYNOS4_GPIO_F0_START	= EXYNOS4_GPIO_NEXT(EXYNOS4_GPIO_E4),
+	EXYNOS4_GPIO_F1_START	= EXYNOS4_GPIO_NEXT(EXYNOS4_GPIO_F0),
+	EXYNOS4_GPIO_F2_START	= EXYNOS4_GPIO_NEXT(EXYNOS4_GPIO_F1),
+	EXYNOS4_GPIO_F3_START	= EXYNOS4_GPIO_NEXT(EXYNOS4_GPIO_F2),
+	EXYNOS4_GPIO_J0_START	= EXYNOS4_GPIO_NEXT(EXYNOS4_GPIO_F3),
+	EXYNOS4_GPIO_J1_START	= EXYNOS4_GPIO_NEXT(EXYNOS4_GPIO_J0),
+	EXYNOS4_GPIO_K0_START	= EXYNOS4_GPIO_NEXT(EXYNOS4_GPIO_J1),
+	EXYNOS4_GPIO_K1_START	= EXYNOS4_GPIO_NEXT(EXYNOS4_GPIO_K0),
+	EXYNOS4_GPIO_K2_START	= EXYNOS4_GPIO_NEXT(EXYNOS4_GPIO_K1),
+	EXYNOS4_GPIO_K3_START	= EXYNOS4_GPIO_NEXT(EXYNOS4_GPIO_K2),
+	EXYNOS4_GPIO_L0_START	= EXYNOS4_GPIO_NEXT(EXYNOS4_GPIO_K3),
+	EXYNOS4_GPIO_L1_START	= EXYNOS4_GPIO_NEXT(EXYNOS4_GPIO_L0),
+	EXYNOS4_GPIO_L2_START	= EXYNOS4_GPIO_NEXT(EXYNOS4_GPIO_L1),
+	EXYNOS4_GPIO_X0_START	= EXYNOS4_GPIO_NEXT(EXYNOS4_GPIO_L2),
+	EXYNOS4_GPIO_X1_START	= EXYNOS4_GPIO_NEXT(EXYNOS4_GPIO_X0),
+	EXYNOS4_GPIO_X2_START	= EXYNOS4_GPIO_NEXT(EXYNOS4_GPIO_X1),
+	EXYNOS4_GPIO_X3_START	= EXYNOS4_GPIO_NEXT(EXYNOS4_GPIO_X2),
+	EXYNOS4_GPIO_Z_START	= EXYNOS4_GPIO_NEXT(EXYNOS4_GPIO_X3),
+};
+
+/* EXYNOS4 GPIO number definitions */
+#define EXYNOS4_GPA0(_nr)	(EXYNOS4_GPIO_A0_START + (_nr))
+#define EXYNOS4_GPA1(_nr)	(EXYNOS4_GPIO_A1_START + (_nr))
+#define EXYNOS4_GPB(_nr)	(EXYNOS4_GPIO_B_START + (_nr))
+#define EXYNOS4_GPC0(_nr)	(EXYNOS4_GPIO_C0_START + (_nr))
+#define EXYNOS4_GPC1(_nr)	(EXYNOS4_GPIO_C1_START + (_nr))
+#define EXYNOS4_GPD0(_nr)	(EXYNOS4_GPIO_D0_START + (_nr))
+#define EXYNOS4_GPD1(_nr)	(EXYNOS4_GPIO_D1_START + (_nr))
+#define EXYNOS4_GPE0(_nr)	(EXYNOS4_GPIO_E0_START + (_nr))
+#define EXYNOS4_GPE1(_nr)	(EXYNOS4_GPIO_E1_START + (_nr))
+#define EXYNOS4_GPE2(_nr)	(EXYNOS4_GPIO_E2_START + (_nr))
+#define EXYNOS4_GPE3(_nr)	(EXYNOS4_GPIO_E3_START + (_nr))
+#define EXYNOS4_GPE4(_nr)	(EXYNOS4_GPIO_E4_START + (_nr))
+#define EXYNOS4_GPF0(_nr)	(EXYNOS4_GPIO_F0_START + (_nr))
+#define EXYNOS4_GPF1(_nr)	(EXYNOS4_GPIO_F1_START + (_nr))
+#define EXYNOS4_GPF2(_nr)	(EXYNOS4_GPIO_F2_START + (_nr))
+#define EXYNOS4_GPF3(_nr)	(EXYNOS4_GPIO_F3_START + (_nr))
+#define EXYNOS4_GPJ0(_nr)	(EXYNOS4_GPIO_J0_START + (_nr))
+#define EXYNOS4_GPJ1(_nr)	(EXYNOS4_GPIO_J1_START + (_nr))
+#define EXYNOS4_GPK0(_nr)	(EXYNOS4_GPIO_K0_START + (_nr))
+#define EXYNOS4_GPK1(_nr)	(EXYNOS4_GPIO_K1_START + (_nr))
+#define EXYNOS4_GPK2(_nr)	(EXYNOS4_GPIO_K2_START + (_nr))
+#define EXYNOS4_GPK3(_nr)	(EXYNOS4_GPIO_K3_START + (_nr))
+#define EXYNOS4_GPL0(_nr)	(EXYNOS4_GPIO_L0_START + (_nr))
+#define EXYNOS4_GPL1(_nr)	(EXYNOS4_GPIO_L1_START + (_nr))
+#define EXYNOS4_GPL2(_nr)	(EXYNOS4_GPIO_L2_START + (_nr))
+#define EXYNOS4_GPX0(_nr)	(EXYNOS4_GPIO_X0_START + (_nr))
+#define EXYNOS4_GPX1(_nr)	(EXYNOS4_GPIO_X1_START + (_nr))
+#define EXYNOS4_GPX2(_nr)	(EXYNOS4_GPIO_X2_START + (_nr))
+#define EXYNOS4_GPX3(_nr)	(EXYNOS4_GPIO_X3_START + (_nr))
+#define EXYNOS4_GPZ(_nr)	(EXYNOS4_GPIO_Z_START + (_nr))
+
+/* the end of the EXYNOS4 specific gpios */
+#define EXYNOS4_GPIO_END	(EXYNOS4_GPZ(EXYNOS4_GPIO_Z_NR) + 1)
+#define S3C_GPIO_END		EXYNOS4_GPIO_END
+
+/* define the number of gpios we need to the one after the GPZ() range */
+#define ARCH_NR_GPIOS		(EXYNOS4_GPZ(EXYNOS4_GPIO_Z_NR) +	\
+				 CONFIG_SAMSUNG_GPIO_EXTRA + 1)
+
+#include <asm-generic/gpio.h>
+
+#endif /* __ASM_ARCH_GPIO_H */
diff --git a/arch/arm/mach-s5pv310/include/mach/hardware.h b/arch/arm/mach-exynos4/include/mach/hardware.h
index 28ff9881f1a6..5109eb232f23 100644
--- a/arch/arm/mach-s5pv310/include/mach/hardware.h
+++ b/arch/arm/mach-exynos4/include/mach/hardware.h
@@ -1,9 +1,9 @@
-/* linux/arch/arm/mach-s5pv310/include/mach/hardware.h
+/* linux/arch/arm/mach-exynos4/include/mach/hardware.h
  *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com/
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
  *
- * S5PV310 - Hardware support
+ * EXYNOS4 - Hardware 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
diff --git a/arch/arm/mach-s5pv310/include/mach/io.h b/arch/arm/mach-exynos4/include/mach/io.h
index 8a7f9128391f..d5478d247535 100644
--- a/arch/arm/mach-s5pv310/include/mach/io.h
+++ b/arch/arm/mach-exynos4/include/mach/io.h
@@ -1,13 +1,13 @@
-/* linux/arch/arm/mach-s5pv310/include/mach/io.h
+/* linux/arch/arm/mach-exynos4/include/mach/io.h
  *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com/
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
  *
  * Copyright 2008-2010 Ben Dooks <ben-linux@fluff.org>
  *
  * Based on arch/arm/mach-s5p6442/include/mach/io.h
  *
- * Default IO routines for S5PV310
+ * Default IO routines for EXYNOS4
  *
  * 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
diff --git a/arch/arm/mach-s5pv310/include/mach/irqs.h b/arch/arm/mach-exynos4/include/mach/irqs.h
index 536b0b59fc83..e3556d45c75b 100644
--- a/arch/arm/mach-s5pv310/include/mach/irqs.h
+++ b/arch/arm/mach-exynos4/include/mach/irqs.h
@@ -1,9 +1,9 @@
-/* linux/arch/arm/mach-s5pv310/include/mach/irqs.h
+/* linux/arch/arm/mach-exynos4/include/mach/irqs.h
  *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com/
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
  *
- * S5PV310 - IRQ definitions
+ * EXYNOS4 - IRQ 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
@@ -131,6 +131,7 @@
 #define IRQ_MCT_L0		COMBINER_IRQ(51, 0)
 
 #define IRQ_WDT			COMBINER_IRQ(53, 0)
+#define IRQ_MCT_G0		COMBINER_IRQ(53, 4)
 
 #define MAX_COMBINER_NR		54
 
diff --git a/arch/arm/mach-exynos4/include/mach/map.h b/arch/arm/mach-exynos4/include/mach/map.h
new file mode 100644
index 000000000000..89ab6f75776c
--- /dev/null
+++ b/arch/arm/mach-exynos4/include/mach/map.h
@@ -0,0 +1,145 @@
+/* linux/arch/arm/mach-exynos4/include/mach/map.h
+ *
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * EXYNOS4 - 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_ARCH_MAP_H
+#define __ASM_ARCH_MAP_H __FILE__
+
+#include <plat/map-base.h>
+
+/*
+ * EXYNOS4 UART offset is 0x10000 but the older S5P SoCs are 0x400.
+ * So need to define it, and here is to avoid redefinition warning.
+ */
+#define S3C_UART_OFFSET			(0x10000)
+
+#include <plat/map-s5p.h>
+
+#define EXYNOS4_PA_SYSRAM		0x02020000
+
+#define EXYNOS4_PA_I2S0			0x03830000
+#define EXYNOS4_PA_I2S1			0xE3100000
+#define EXYNOS4_PA_I2S2			0xE2A00000
+
+#define EXYNOS4_PA_PCM0			0x03840000
+#define EXYNOS4_PA_PCM1			0x13980000
+#define EXYNOS4_PA_PCM2			0x13990000
+
+#define EXYNOS4_PA_SROM_BANK(x)		(0x04000000 + ((x) * 0x01000000))
+
+#define EXYNOS4_PA_ONENAND		0x0C000000
+#define EXYNOS4_PA_ONENAND_DMA		0x0C600000
+
+#define EXYNOS4_PA_CHIPID		0x10000000
+
+#define EXYNOS4_PA_SYSCON		0x10010000
+#define EXYNOS4_PA_PMU			0x10020000
+#define EXYNOS4_PA_CMU			0x10030000
+
+#define EXYNOS4_PA_SYSTIMER		0x10050000
+#define EXYNOS4_PA_WATCHDOG		0x10060000
+#define EXYNOS4_PA_RTC			0x10070000
+
+#define EXYNOS4_PA_DMC0			0x10400000
+
+#define EXYNOS4_PA_COMBINER		0x10448000
+
+#define EXYNOS4_PA_COREPERI		0x10500000
+#define EXYNOS4_PA_GIC_CPU		0x10500100
+#define EXYNOS4_PA_TWD			0x10500600
+#define EXYNOS4_PA_GIC_DIST		0x10501000
+#define EXYNOS4_PA_L2CC			0x10502000
+
+#define EXYNOS4_PA_MDMA			0x10810000
+#define EXYNOS4_PA_PDMA0		0x12680000
+#define EXYNOS4_PA_PDMA1		0x12690000
+
+#define EXYNOS4_PA_SYSMMU_MDMA		0x10A40000
+#define EXYNOS4_PA_SYSMMU_SSS		0x10A50000
+#define EXYNOS4_PA_SYSMMU_FIMC0		0x11A20000
+#define EXYNOS4_PA_SYSMMU_FIMC1		0x11A30000
+#define EXYNOS4_PA_SYSMMU_FIMC2		0x11A40000
+#define EXYNOS4_PA_SYSMMU_FIMC3		0x11A50000
+#define EXYNOS4_PA_SYSMMU_JPEG		0x11A60000
+#define EXYNOS4_PA_SYSMMU_FIMD0		0x11E20000
+#define EXYNOS4_PA_SYSMMU_FIMD1		0x12220000
+#define EXYNOS4_PA_SYSMMU_PCIe		0x12620000
+#define EXYNOS4_PA_SYSMMU_G2D		0x12A20000
+#define EXYNOS4_PA_SYSMMU_ROTATOR	0x12A30000
+#define EXYNOS4_PA_SYSMMU_MDMA2		0x12A40000
+#define EXYNOS4_PA_SYSMMU_TV		0x12E20000
+#define EXYNOS4_PA_SYSMMU_MFC_L		0x13620000
+#define EXYNOS4_PA_SYSMMU_MFC_R		0x13630000
+
+#define EXYNOS4_PA_GPIO1		0x11400000
+#define EXYNOS4_PA_GPIO2		0x11000000
+#define EXYNOS4_PA_GPIO3		0x03860000
+
+#define EXYNOS4_PA_MIPI_CSIS0		0x11880000
+#define EXYNOS4_PA_MIPI_CSIS1		0x11890000
+
+#define EXYNOS4_PA_HSMMC(x)		(0x12510000 + ((x) * 0x10000))
+
+#define EXYNOS4_PA_SROMC		0x12570000
+
+#define EXYNOS4_PA_UART			0x13800000
+
+#define EXYNOS4_PA_IIC(x)		(0x13860000 + ((x) * 0x10000))
+
+#define EXYNOS4_PA_AC97			0x139A0000
+
+#define EXYNOS4_PA_SPDIF		0x139B0000
+
+#define EXYNOS4_PA_TIMER		0x139D0000
+
+#define EXYNOS4_PA_SDRAM		0x40000000
+
+/* Compatibiltiy Defines */
+
+#define S3C_PA_HSMMC0			EXYNOS4_PA_HSMMC(0)
+#define S3C_PA_HSMMC1			EXYNOS4_PA_HSMMC(1)
+#define S3C_PA_HSMMC2			EXYNOS4_PA_HSMMC(2)
+#define S3C_PA_HSMMC3			EXYNOS4_PA_HSMMC(3)
+#define S3C_PA_IIC			EXYNOS4_PA_IIC(0)
+#define S3C_PA_IIC1			EXYNOS4_PA_IIC(1)
+#define S3C_PA_IIC2			EXYNOS4_PA_IIC(2)
+#define S3C_PA_IIC3			EXYNOS4_PA_IIC(3)
+#define S3C_PA_IIC4			EXYNOS4_PA_IIC(4)
+#define S3C_PA_IIC5			EXYNOS4_PA_IIC(5)
+#define S3C_PA_IIC6			EXYNOS4_PA_IIC(6)
+#define S3C_PA_IIC7			EXYNOS4_PA_IIC(7)
+#define S3C_PA_RTC			EXYNOS4_PA_RTC
+#define S3C_PA_WDT			EXYNOS4_PA_WATCHDOG
+
+#define S5P_PA_CHIPID			EXYNOS4_PA_CHIPID
+#define S5P_PA_MIPI_CSIS0		EXYNOS4_PA_MIPI_CSIS0
+#define S5P_PA_MIPI_CSIS1		EXYNOS4_PA_MIPI_CSIS1
+#define S5P_PA_ONENAND			EXYNOS4_PA_ONENAND
+#define S5P_PA_ONENAND_DMA		EXYNOS4_PA_ONENAND_DMA
+#define S5P_PA_SDRAM			EXYNOS4_PA_SDRAM
+#define S5P_PA_SROMC			EXYNOS4_PA_SROMC
+#define S5P_PA_SYSCON			EXYNOS4_PA_SYSCON
+#define S5P_PA_TIMER			EXYNOS4_PA_TIMER
+
+/* UART */
+
+#define S3C_PA_UART			EXYNOS4_PA_UART
+
+#define S5P_PA_UART(x)			(S3C_PA_UART + ((x) * S3C_UART_OFFSET))
+#define S5P_PA_UART0			S5P_PA_UART(0)
+#define S5P_PA_UART1			S5P_PA_UART(1)
+#define S5P_PA_UART2			S5P_PA_UART(2)
+#define S5P_PA_UART3			S5P_PA_UART(3)
+#define S5P_PA_UART4			S5P_PA_UART(4)
+
+#define S5P_SZ_UART			SZ_256
+
+#endif /* __ASM_ARCH_MAP_H */
diff --git a/arch/arm/mach-s5pv310/include/mach/memory.h b/arch/arm/mach-exynos4/include/mach/memory.h
index 1dffb4823245..39b47d06f9bb 100644
--- a/arch/arm/mach-s5pv310/include/mach/memory.h
+++ b/arch/arm/mach-exynos4/include/mach/memory.h
@@ -1,9 +1,9 @@
-/* linux/arch/arm/mach-s5pv310/include/mach/memory.h
+/* linux/arch/arm/mach-exynos4/include/mach/memory.h
  *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com/
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
  *
- * S5PV310 - Memory definitions
+ * EXYNOS4 - Memory 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
diff --git a/arch/arm/mach-s5pv310/include/mach/pwm-clock.h b/arch/arm/mach-exynos4/include/mach/pwm-clock.h
index 7e6da2701088..8e12090287bb 100644
--- a/arch/arm/mach-s5pv310/include/mach/pwm-clock.h
+++ b/arch/arm/mach-exynos4/include/mach/pwm-clock.h
@@ -1,7 +1,7 @@
-/* linux/arch/arm/mach-s5pv310/include/mach/pwm-clock.h
+/* linux/arch/arm/mach-exynos4/include/mach/pwm-clock.h
  *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com/
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
  *
  * Copyright 2008 Openmoko, Inc.
  * Copyright 2008 Simtec Electronics
@@ -10,7 +10,7 @@
  *
  * Based on arch/arm/mach-s3c64xx/include/mach/pwm-clock.h
  *
- * S5PV310 - pwm clock and timer support
+ * EXYNOS4 - pwm clock and timer 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
diff --git a/arch/arm/mach-s5pv310/include/mach/regs-clock.h b/arch/arm/mach-exynos4/include/mach/regs-clock.h
index b5c4ada1cff5..ba8f91c04e19 100644
--- a/arch/arm/mach-s5pv310/include/mach/regs-clock.h
+++ b/arch/arm/mach-exynos4/include/mach/regs-clock.h
@@ -1,9 +1,9 @@
-/* linux/arch/arm/mach-s5pv310/include/mach/regs-clock.h
+/* linux/arch/arm/mach-exynos4/include/mach/regs-clock.h
  *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com/
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
  *
- * S5PV310 - Clock register definitions
+ * EXYNOS4 - 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
diff --git a/arch/arm/mach-exynos4/include/mach/regs-gpio.h b/arch/arm/mach-exynos4/include/mach/regs-gpio.h
new file mode 100644
index 000000000000..1401b21663a5
--- /dev/null
+++ b/arch/arm/mach-exynos4/include/mach/regs-gpio.h
@@ -0,0 +1,42 @@
+/* linux/arch/arm/mach-exynos4/include/mach/regs-gpio.h
+ *
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
+ *
+ * EXYNOS4 - GPIO (including EINT) 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 __ASM_ARCH_REGS_GPIO_H
+#define __ASM_ARCH_REGS_GPIO_H __FILE__
+
+#include <mach/map.h>
+#include <mach/irqs.h>
+
+#define EXYNOS4_EINT40CON		(S5P_VA_GPIO2 + 0xE00)
+#define S5P_EINT_CON(x)			(EXYNOS4_EINT40CON + ((x) * 0x4))
+
+#define EXYNOS4_EINT40FLTCON0		(S5P_VA_GPIO2 + 0xE80)
+#define S5P_EINT_FLTCON(x)		(EXYNOS4_EINT40FLTCON0 + ((x) * 0x4))
+
+#define EXYNOS4_EINT40MASK		(S5P_VA_GPIO2 + 0xF00)
+#define S5P_EINT_MASK(x)		(EXYNOS4_EINT40MASK + ((x) * 0x4))
+
+#define EXYNOS4_EINT40PEND		(S5P_VA_GPIO2 + 0xF40)
+#define S5P_EINT_PEND(x)		(EXYNOS4_EINT40PEND + ((x) * 0x4))
+
+#define EINT_REG_NR(x)			(EINT_OFFSET(x) >> 3)
+
+#define eint_irq_to_bit(irq)		(1 << (EINT_OFFSET(irq) & 0x7))
+
+#define EINT_MODE			S3C_GPIO_SFN(0xf)
+
+#define EINT_GPIO_0(x)			EXYNOS4_GPX0(x)
+#define EINT_GPIO_1(x)			EXYNOS4_GPX1(x)
+#define EINT_GPIO_2(x)			EXYNOS4_GPX2(x)
+#define EINT_GPIO_3(x)			EXYNOS4_GPX3(x)
+
+#endif /* __ASM_ARCH_REGS_GPIO_H */
diff --git a/arch/arm/mach-s5pv310/include/mach/regs-irq.h b/arch/arm/mach-exynos4/include/mach/regs-irq.h
index c6e09c7f9161..9c7b4bfd546f 100644
--- a/arch/arm/mach-s5pv310/include/mach/regs-irq.h
+++ b/arch/arm/mach-exynos4/include/mach/regs-irq.h
@@ -1,9 +1,9 @@
-/* linux/arch/arm/mach-s5pv310/include/mach/regs-irq.h
+/* linux/arch/arm/mach-exynos4/include/mach/regs-irq.h
  *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com/
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
  *
- * S5PV310 - IRQ register definitions
+ * EXYNOS4 - IRQ 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
diff --git a/arch/arm/mach-exynos4/include/mach/regs-mct.h b/arch/arm/mach-exynos4/include/mach/regs-mct.h
new file mode 100644
index 000000000000..ca9c8434b023
--- /dev/null
+++ b/arch/arm/mach-exynos4/include/mach/regs-mct.h
@@ -0,0 +1,52 @@
+/* arch/arm/mach-exynos4/include/mach/regs-mct.h
+ *
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
+ *
+ * EXYNOS4 MCT configutation
+ *
+ * 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_ARCH_REGS_MCT_H
+#define __ASM_ARCH_REGS_MCT_H __FILE__
+
+#include <mach/map.h>
+
+#define EXYNOS4_MCTREG(x)		(S5P_VA_SYSTIMER + (x))
+
+#define EXYNOS4_MCT_G_CNT_L		EXYNOS4_MCTREG(0x100)
+#define EXYNOS4_MCT_G_CNT_U		EXYNOS4_MCTREG(0x104)
+#define EXYNOS4_MCT_G_CNT_WSTAT		EXYNOS4_MCTREG(0x110)
+
+#define EXYNOS4_MCT_G_COMP0_L		EXYNOS4_MCTREG(0x200)
+#define EXYNOS4_MCT_G_COMP0_U		EXYNOS4_MCTREG(0x204)
+#define EXYNOS4_MCT_G_COMP0_ADD_INCR	EXYNOS4_MCTREG(0x208)
+
+#define EXYNOS4_MCT_G_TCON		EXYNOS4_MCTREG(0x240)
+
+#define EXYNOS4_MCT_G_INT_CSTAT		EXYNOS4_MCTREG(0x244)
+#define EXYNOS4_MCT_G_INT_ENB		EXYNOS4_MCTREG(0x248)
+#define EXYNOS4_MCT_G_WSTAT		EXYNOS4_MCTREG(0x24C)
+
+#define EXYNOS4_MCT_L0_BASE		EXYNOS4_MCTREG(0x300)
+#define EXYNOS4_MCT_L1_BASE		EXYNOS4_MCTREG(0x400)
+
+#define MCT_L_TCNTB_OFFSET		(0x00)
+#define MCT_L_ICNTB_OFFSET		(0x08)
+#define MCT_L_TCON_OFFSET		(0x20)
+#define MCT_L_INT_CSTAT_OFFSET		(0x30)
+#define MCT_L_INT_ENB_OFFSET		(0x34)
+#define MCT_L_WSTAT_OFFSET		(0x40)
+
+#define MCT_G_TCON_START		(1 << 8)
+#define MCT_G_TCON_COMP0_AUTO_INC	(1 << 1)
+#define MCT_G_TCON_COMP0_ENABLE		(1 << 0)
+
+#define MCT_L_TCON_INTERVAL_MODE	(1 << 2)
+#define MCT_L_TCON_INT_START		(1 << 1)
+#define MCT_L_TCON_TIMER_START		(1 << 0)
+
+#endif /* __ASM_ARCH_REGS_MCT_H */
diff --git a/arch/arm/mach-s5pv310/include/mach/regs-mem.h b/arch/arm/mach-exynos4/include/mach/regs-mem.h
index 834227140eaa..0368b5a27252 100644
--- a/arch/arm/mach-s5pv310/include/mach/regs-mem.h
+++ b/arch/arm/mach-exynos4/include/mach/regs-mem.h
@@ -1,9 +1,9 @@
-/* linux/arch/arm/mach-s5pv310/include/mach/regs-mem.h
+/* linux/arch/arm/mach-exynos4/include/mach/regs-mem.h
  *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
  *		http://www.samsung.com
  *
- * S5PV310 - SROMC and DMC register definitions
+ * EXYNOS4 - SROMC and DMC 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
diff --git a/arch/arm/mach-s5pv310/include/mach/regs-pmu.h b/arch/arm/mach-exynos4/include/mach/regs-pmu.h
index fb333d0f6073..2ddd6175dfa0 100644
--- a/arch/arm/mach-s5pv310/include/mach/regs-pmu.h
+++ b/arch/arm/mach-exynos4/include/mach/regs-pmu.h
@@ -1,9 +1,9 @@
-/* linux/arch/arm/mach-s5pv310/include/mach/regs-pmu.h
+/* linux/arch/arm/mach-exynos4/include/mach/regs-pmu.h
  *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
  *		http://www.samsung.com
  *
- * S5PV310 - Power management unit definition
+ * EXYNOS4 - Power management unit definition
  *
  * 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
@@ -18,7 +18,7 @@
 #define S5P_PMUREG(x)			(S5P_VA_PMU + (x))
 
 #define S5P_PMU_CAM_CONF		S5P_PMUREG(0x3C00)
-#define S5P_PMU_TV_CONF		S5P_PMUREG(0x3C20)
+#define S5P_PMU_TV_CONF			S5P_PMUREG(0x3C20)
 #define S5P_PMU_MFC_CONF		S5P_PMUREG(0x3C40)
 #define S5P_PMU_G3D_CONF		S5P_PMUREG(0x3C60)
 #define S5P_PMU_LCD0_CONF		S5P_PMUREG(0x3C80)
diff --git a/arch/arm/mach-s5pv310/include/mach/regs-sysmmu.h b/arch/arm/mach-exynos4/include/mach/regs-sysmmu.h
index 0b28e81a16f7..b6aef863b9d6 100644
--- a/arch/arm/mach-s5pv310/include/mach/regs-sysmmu.h
+++ b/arch/arm/mach-exynos4/include/mach/regs-sysmmu.h
@@ -1,9 +1,9 @@
-/* linux/arch/arm/mach-s5pv310/include/mach/regs-sysmmu.h
+/* linux/arch/arm/mach-exynos4/include/mach/regs-sysmmu.h
  *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
  *		http://www.samsung.com
  *
- * S5PV310 - System MMU register
+ * EXYNOS4 - System MMU register
  *
  * 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
diff --git a/arch/arm/mach-s5pv310/include/mach/smp.h b/arch/arm/mach-exynos4/include/mach/smp.h
index 393ccbd52c4a..a463dcebcfd3 100644
--- a/arch/arm/mach-s5pv310/include/mach/smp.h
+++ b/arch/arm/mach-exynos4/include/mach/smp.h
@@ -1,4 +1,4 @@
-/* linux/arch/arm/mach-s5pv310/include/mach/smp.h
+/* linux/arch/arm/mach-exynos4/include/mach/smp.h
  *
  * Cloned from arch/arm/mach-realview/include/mach/smp.h
 */
diff --git a/arch/arm/mach-s5pv310/include/mach/sysmmu.h b/arch/arm/mach-exynos4/include/mach/sysmmu.h
index 598fc5c9211b..1428adad8379 100644
--- a/arch/arm/mach-s5pv310/include/mach/sysmmu.h
+++ b/arch/arm/mach-exynos4/include/mach/sysmmu.h
@@ -1,9 +1,9 @@
-/* linux/arch/arm/mach-s5pv310/include/mach/sysmmu.h
+/* linux/arch/arm/mach-exynos4/include/mach/sysmmu.h
  *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com/
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
  *
- * Samsung sysmmu driver for S5PV310
+ * Samsung sysmmu driver for EXYNOS4
  *
  * 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
@@ -13,10 +13,10 @@
 #ifndef __ASM_ARM_ARCH_SYSMMU_H
 #define __ASM_ARM_ARCH_SYSMMU_H __FILE__
 
-#define S5PV310_SYSMMU_TOTAL_IPNUM	16
-#define S5P_SYSMMU_TOTAL_IPNUM		S5PV310_SYSMMU_TOTAL_IPNUM
+#define EXYNOS4_SYSMMU_TOTAL_IPNUM	16
+#define S5P_SYSMMU_TOTAL_IPNUM		EXYNOS4_SYSMMU_TOTAL_IPNUM
 
-enum s5pv310_sysmmu_ips {
+enum exynos4_sysmmu_ips {
 	SYSMMU_MDMA,
 	SYSMMU_SSS,
 	SYSMMU_FIMC0,
@@ -35,7 +35,7 @@ enum s5pv310_sysmmu_ips {
 	SYSMMU_MFC_R,
 };
 
-static char *sysmmu_ips_name[S5PV310_SYSMMU_TOTAL_IPNUM] = {
+static char *sysmmu_ips_name[EXYNOS4_SYSMMU_TOTAL_IPNUM] = {
 	"SYSMMU_MDMA"	,
 	"SYSMMU_SSS"	,
 	"SYSMMU_FIMC0"	,
@@ -54,7 +54,7 @@ static char *sysmmu_ips_name[S5PV310_SYSMMU_TOTAL_IPNUM] = {
 	"SYSMMU_MFC_R"	,
 };
 
-typedef enum s5pv310_sysmmu_ips sysmmu_ips;
+typedef enum exynos4_sysmmu_ips sysmmu_ips;
 
 struct sysmmu_tt_info {
 	unsigned long *pgd;
diff --git a/arch/arm/mach-s5pv310/include/mach/system.h b/arch/arm/mach-exynos4/include/mach/system.h
index d10c009cf0f1..5e3220c18fc7 100644
--- a/arch/arm/mach-s5pv310/include/mach/system.h
+++ b/arch/arm/mach-exynos4/include/mach/system.h
@@ -1,9 +1,9 @@
-/* linux/arch/arm/mach-s5pv310/include/mach/system.h
+/* linux/arch/arm/mach-exynos4/include/mach/system.h
  *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com/
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
  *
- * S5PV310 - system support header
+ * EXYNOS4 - system support header
  *
  * 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
diff --git a/arch/arm/mach-s5pv310/include/mach/timex.h b/arch/arm/mach-exynos4/include/mach/timex.h
index bd2359b952b4..6d138750a708 100644
--- a/arch/arm/mach-s5pv310/include/mach/timex.h
+++ b/arch/arm/mach-exynos4/include/mach/timex.h
@@ -1,14 +1,14 @@
-/* linux/arch/arm/mach-s5pv310/include/mach/timex.h
+/* linux/arch/arm/mach-exynos4/include/mach/timex.h
  *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com/
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
  *
  * Copyright (c) 2003-2010 Simtec Electronics
  *	Ben Dooks <ben@simtec.co.uk>
  *
  * Based on arch/arm/mach-s5p6442/include/mach/timex.h
  *
- * S5PV310 - time parameters
+ * EXYNOS4 - time parameters
  *
  * 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
diff --git a/arch/arm/mach-s5pv310/include/mach/uncompress.h b/arch/arm/mach-exynos4/include/mach/uncompress.h
index 59593c1e2416..21d97bcd9acb 100644
--- a/arch/arm/mach-s5pv310/include/mach/uncompress.h
+++ b/arch/arm/mach-exynos4/include/mach/uncompress.h
@@ -1,9 +1,9 @@
-/* linux/arch/arm/mach-s5pv310/include/mach/uncompress.h
+/* linux/arch/arm/mach-exynos4/include/mach/uncompress.h
  *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com/
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
  *
- * S5PV310 - uncompress code
+ * EXYNOS4 - uncompress 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
diff --git a/arch/arm/mach-s5pv310/include/mach/vmalloc.h b/arch/arm/mach-exynos4/include/mach/vmalloc.h
index 65759fb97581..284330e571d2 100644
--- a/arch/arm/mach-s5pv310/include/mach/vmalloc.h
+++ b/arch/arm/mach-exynos4/include/mach/vmalloc.h
@@ -1,7 +1,7 @@
-/* linux/arch/arm/mach-s5pv310/include/mach/vmalloc.h
+/* linux/arch/arm/mach-exynos4/include/mach/vmalloc.h
  *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com/
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
  *
  * Copyright 2010 Ben Dooks <ben-linux@fluff.org>
  *
@@ -11,7 +11,7 @@
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  *
- * S5PV310 vmalloc definition
+ * EXYNOS4 vmalloc definition
 */
 
 #ifndef __ASM_ARCH_VMALLOC_H
diff --git a/arch/arm/mach-s5pv310/init.c b/arch/arm/mach-exynos4/init.c
index 182dcf42cfb4..cf91f50e43ab 100644
--- a/arch/arm/mach-s5pv310/init.c
+++ b/arch/arm/mach-exynos4/init.c
@@ -1,4 +1,4 @@
-/* linux/arch/arm/mach-s5pv310/init.c
+/* linux/arch/arm/mach-exynos4/init.c
  *
  * Copyright (c) 2010 Samsung Electronics Co., Ltd.
  *		http://www.samsung.com/
@@ -14,7 +14,7 @@
 #include <plat/devs.h>
 #include <plat/regs-serial.h>
 
-static struct s3c24xx_uart_clksrc s5pv310_serial_clocks[] = {
+static struct s3c24xx_uart_clksrc exynos4_serial_clocks[] = {
 	[0] = {
 		.name		= "uclk1",
 		.divisor	= 1,
@@ -24,7 +24,7 @@ static struct s3c24xx_uart_clksrc s5pv310_serial_clocks[] = {
 };
 
 /* uart registration process */
-void __init s5pv310_common_init_uarts(struct s3c2410_uartcfg *cfg, int no)
+void __init exynos4_common_init_uarts(struct s3c2410_uartcfg *cfg, int no)
 {
 	struct s3c2410_uartcfg *tcfg = cfg;
 	u32 ucnt;
@@ -32,8 +32,8 @@ void __init s5pv310_common_init_uarts(struct s3c2410_uartcfg *cfg, int no)
 	for (ucnt = 0; ucnt < no; ucnt++, tcfg++) {
 		if (!tcfg->clocks) {
 			tcfg->has_fracval = 1;
-			tcfg->clocks = s5pv310_serial_clocks;
-			tcfg->clocks_size = ARRAY_SIZE(s5pv310_serial_clocks);
+			tcfg->clocks = exynos4_serial_clocks;
+			tcfg->clocks_size = ARRAY_SIZE(exynos4_serial_clocks);
 		}
 	}
 
diff --git a/arch/arm/mach-s5pv310/irq-combiner.c b/arch/arm/mach-exynos4/irq-combiner.c
index 1ea4a9e83bbe..31618d91ce15 100644
--- a/arch/arm/mach-s5pv310/irq-combiner.c
+++ b/arch/arm/mach-exynos4/irq-combiner.c
@@ -1,6 +1,6 @@
-/* linux/arch/arm/mach-s5pv310/irq-combiner.c
+/* linux/arch/arm/mach-exynos4/irq-combiner.c
  *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
  *		http://www.samsung.com
  *
  * Based on arch/arm/common/gic.c
diff --git a/arch/arm/mach-s5pv310/irq-eint.c b/arch/arm/mach-exynos4/irq-eint.c
index 477bd9e97f0f..4f7ad4a796e4 100644
--- a/arch/arm/mach-s5pv310/irq-eint.c
+++ b/arch/arm/mach-exynos4/irq-eint.c
@@ -1,9 +1,9 @@
-/* linux/arch/arm/mach-s5pv310/irq-eint.c
+/* linux/arch/arm/mach-exynos4/irq-eint.c
  *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
  *		http://www.samsung.com
  *
- * S5PV310 - IRQ EINT support
+ * EXYNOS4 - IRQ EINT 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
@@ -27,7 +27,7 @@ static DEFINE_SPINLOCK(eint_lock);
 
 static unsigned int eint0_15_data[16];
 
-static unsigned int s5pv310_get_irq_nr(unsigned int number)
+static unsigned int exynos4_get_irq_nr(unsigned int number)
 {
 	u32 ret = 0;
 
@@ -48,7 +48,7 @@ static unsigned int s5pv310_get_irq_nr(unsigned int number)
 	return ret;
 }
 
-static inline void s5pv310_irq_eint_mask(struct irq_data *data)
+static inline void exynos4_irq_eint_mask(struct irq_data *data)
 {
 	u32 mask;
 
@@ -59,7 +59,7 @@ static inline void s5pv310_irq_eint_mask(struct irq_data *data)
 	spin_unlock(&eint_lock);
 }
 
-static void s5pv310_irq_eint_unmask(struct irq_data *data)
+static void exynos4_irq_eint_unmask(struct irq_data *data)
 {
 	u32 mask;
 
@@ -70,19 +70,19 @@ static void s5pv310_irq_eint_unmask(struct irq_data *data)
 	spin_unlock(&eint_lock);
 }
 
-static inline void s5pv310_irq_eint_ack(struct irq_data *data)
+static inline void exynos4_irq_eint_ack(struct irq_data *data)
 {
 	__raw_writel(eint_irq_to_bit(data->irq),
 		     S5P_EINT_PEND(EINT_REG_NR(data->irq)));
 }
 
-static void s5pv310_irq_eint_maskack(struct irq_data *data)
+static void exynos4_irq_eint_maskack(struct irq_data *data)
 {
-	s5pv310_irq_eint_mask(data);
-	s5pv310_irq_eint_ack(data);
+	exynos4_irq_eint_mask(data);
+	exynos4_irq_eint_ack(data);
 }
 
-static int s5pv310_irq_eint_set_type(struct irq_data *data, unsigned int type)
+static int exynos4_irq_eint_set_type(struct irq_data *data, unsigned int type)
 {
 	int offs = EINT_OFFSET(data->irq);
 	int shift;
@@ -145,19 +145,19 @@ static int s5pv310_irq_eint_set_type(struct irq_data *data, unsigned int type)
 	return 0;
 }
 
-static struct irq_chip s5pv310_irq_eint = {
-	.name		= "s5pv310-eint",
-	.irq_mask	= s5pv310_irq_eint_mask,
-	.irq_unmask	= s5pv310_irq_eint_unmask,
-	.irq_mask_ack	= s5pv310_irq_eint_maskack,
-	.irq_ack	= s5pv310_irq_eint_ack,
-	.irq_set_type	= s5pv310_irq_eint_set_type,
+static struct irq_chip exynos4_irq_eint = {
+	.name		= "exynos4-eint",
+	.irq_mask	= exynos4_irq_eint_mask,
+	.irq_unmask	= exynos4_irq_eint_unmask,
+	.irq_mask_ack	= exynos4_irq_eint_maskack,
+	.irq_ack	= exynos4_irq_eint_ack,
+	.irq_set_type	= exynos4_irq_eint_set_type,
 #ifdef CONFIG_PM
 	.irq_set_wake	= s3c_irqext_wake,
 #endif
 };
 
-/* s5pv310_irq_demux_eint
+/* exynos4_irq_demux_eint
  *
  * This function demuxes the IRQ from from EINTs 16 to 31.
  * It is designed to be inlined into the specific handler
@@ -165,7 +165,7 @@ static struct irq_chip s5pv310_irq_eint = {
  *
  * Each EINT pend/mask registers handle eight of them.
  */
-static inline void s5pv310_irq_demux_eint(unsigned int start)
+static inline void exynos4_irq_demux_eint(unsigned int start)
 {
 	unsigned int irq;
 
@@ -182,13 +182,13 @@ static inline void s5pv310_irq_demux_eint(unsigned int start)
 	}
 }
 
-static void s5pv310_irq_demux_eint16_31(unsigned int irq, struct irq_desc *desc)
+static void exynos4_irq_demux_eint16_31(unsigned int irq, struct irq_desc *desc)
 {
-	s5pv310_irq_demux_eint(IRQ_EINT(16));
-	s5pv310_irq_demux_eint(IRQ_EINT(24));
+	exynos4_irq_demux_eint(IRQ_EINT(16));
+	exynos4_irq_demux_eint(IRQ_EINT(24));
 }
 
-static void s5pv310_irq_eint0_15(unsigned int irq, struct irq_desc *desc)
+static void exynos4_irq_eint0_15(unsigned int irq, struct irq_desc *desc)
 {
 	u32 *irq_data = get_irq_data(irq);
 	struct irq_chip *chip = get_irq_chip(irq);
@@ -203,27 +203,27 @@ static void s5pv310_irq_eint0_15(unsigned int irq, struct irq_desc *desc)
 	chip->irq_unmask(&desc->irq_data);
 }
 
-int __init s5pv310_init_irq_eint(void)
+int __init exynos4_init_irq_eint(void)
 {
 	int irq;
 
 	for (irq = 0 ; irq <= 31 ; irq++) {
-		set_irq_chip(IRQ_EINT(irq), &s5pv310_irq_eint);
+		set_irq_chip(IRQ_EINT(irq), &exynos4_irq_eint);
 		set_irq_handler(IRQ_EINT(irq), handle_level_irq);
 		set_irq_flags(IRQ_EINT(irq), IRQF_VALID);
 	}
 
-	set_irq_chained_handler(IRQ_EINT16_31, s5pv310_irq_demux_eint16_31);
+	set_irq_chained_handler(IRQ_EINT16_31, exynos4_irq_demux_eint16_31);
 
 	for (irq = 0 ; irq <= 15 ; irq++) {
 		eint0_15_data[irq] = IRQ_EINT(irq);
 
-		set_irq_data(s5pv310_get_irq_nr(irq), &eint0_15_data[irq]);
-		set_irq_chained_handler(s5pv310_get_irq_nr(irq),
-					s5pv310_irq_eint0_15);
+		set_irq_data(exynos4_get_irq_nr(irq), &eint0_15_data[irq]);
+		set_irq_chained_handler(exynos4_get_irq_nr(irq),
+					exynos4_irq_eint0_15);
 	}
 
 	return 0;
 }
 
-arch_initcall(s5pv310_init_irq_eint);
+arch_initcall(exynos4_init_irq_eint);
diff --git a/arch/arm/mach-s5pv310/localtimer.c b/arch/arm/mach-exynos4/localtimer.c
index 2784036cd8b1..2a2993ae8d86 100644
--- a/arch/arm/mach-s5pv310/localtimer.c
+++ b/arch/arm/mach-exynos4/localtimer.c
@@ -1,4 +1,4 @@
-/* linux/arch/arm/mach-s5pv310/localtimer.c
+/* linux/arch/arm/mach-exynos4/localtimer.c
  *
  * Cloned from linux/arch/arm/mach-realview/localtimer.c
  *
diff --git a/arch/arm/mach-exynos4/mach-armlex4210.c b/arch/arm/mach-exynos4/mach-armlex4210.c
new file mode 100644
index 000000000000..1ec7e77bed82
--- /dev/null
+++ b/arch/arm/mach-exynos4/mach-armlex4210.c
@@ -0,0 +1,214 @@
+/* linux/arch/arm/mach-exynos4/mach-armlex4210.c
+ *
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/gpio.h>
+#include <linux/io.h>
+#include <linux/mmc/host.h>
+#include <linux/platform_device.h>
+#include <linux/serial_core.h>
+#include <linux/smsc911x.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach-types.h>
+
+#include <plat/cpu.h>
+#include <plat/devs.h>
+#include <plat/exynos4.h>
+#include <plat/gpio-cfg.h>
+#include <plat/regs-serial.h>
+#include <plat/regs-srom.h>
+#include <plat/sdhci.h>
+
+#include <mach/map.h>
+
+/* Following are default values for UCON, ULCON and UFCON UART registers */
+#define ARMLEX4210_UCON_DEFAULT	(S3C2410_UCON_TXILEVEL |	\
+				 S3C2410_UCON_RXILEVEL |	\
+				 S3C2410_UCON_TXIRQMODE |	\
+				 S3C2410_UCON_RXIRQMODE |	\
+				 S3C2410_UCON_RXFIFO_TOI |	\
+				 S3C2443_UCON_RXERR_IRQEN)
+
+#define ARMLEX4210_ULCON_DEFAULT	S3C2410_LCON_CS8
+
+#define ARMLEX4210_UFCON_DEFAULT	(S3C2410_UFCON_FIFOMODE |	\
+				 S5PV210_UFCON_TXTRIG4 |	\
+				 S5PV210_UFCON_RXTRIG4)
+
+static struct s3c2410_uartcfg armlex4210_uartcfgs[] __initdata = {
+	[0] = {
+		.hwport		= 0,
+		.flags		= 0,
+		.ucon		= ARMLEX4210_UCON_DEFAULT,
+		.ulcon		= ARMLEX4210_ULCON_DEFAULT,
+		.ufcon		= ARMLEX4210_UFCON_DEFAULT,
+	},
+	[1] = {
+		.hwport		= 1,
+		.flags		= 0,
+		.ucon		= ARMLEX4210_UCON_DEFAULT,
+		.ulcon		= ARMLEX4210_ULCON_DEFAULT,
+		.ufcon		= ARMLEX4210_UFCON_DEFAULT,
+	},
+	[2] = {
+		.hwport		= 2,
+		.flags		= 0,
+		.ucon		= ARMLEX4210_UCON_DEFAULT,
+		.ulcon		= ARMLEX4210_ULCON_DEFAULT,
+		.ufcon		= ARMLEX4210_UFCON_DEFAULT,
+	},
+	[3] = {
+		.hwport		= 3,
+		.flags		= 0,
+		.ucon		= ARMLEX4210_UCON_DEFAULT,
+		.ulcon		= ARMLEX4210_ULCON_DEFAULT,
+		.ufcon		= ARMLEX4210_UFCON_DEFAULT,
+	},
+};
+
+static struct s3c_sdhci_platdata armlex4210_hsmmc0_pdata __initdata = {
+	.cd_type		= S3C_SDHCI_CD_PERMANENT,
+	.clk_type		= S3C_SDHCI_CLK_DIV_EXTERNAL,
+#ifdef CONFIG_EXYNOS4_SDHCI_CH0_8BIT
+	.max_width		= 8,
+	.host_caps		= MMC_CAP_8_BIT_DATA,
+#endif
+};
+
+static struct s3c_sdhci_platdata armlex4210_hsmmc2_pdata __initdata = {
+	.cd_type		= S3C_SDHCI_CD_GPIO,
+	.ext_cd_gpio		= EXYNOS4_GPX2(5),
+	.ext_cd_gpio_invert	= 1,
+	.clk_type		= S3C_SDHCI_CLK_DIV_EXTERNAL,
+	.max_width		= 4,
+};
+
+static struct s3c_sdhci_platdata armlex4210_hsmmc3_pdata __initdata = {
+	.cd_type		= S3C_SDHCI_CD_PERMANENT,
+	.clk_type		= S3C_SDHCI_CLK_DIV_EXTERNAL,
+	.max_width		= 4,
+};
+
+static void __init armlex4210_sdhci_init(void)
+{
+	s3c_sdhci0_set_platdata(&armlex4210_hsmmc0_pdata);
+	s3c_sdhci2_set_platdata(&armlex4210_hsmmc2_pdata);
+	s3c_sdhci3_set_platdata(&armlex4210_hsmmc3_pdata);
+}
+
+static void __init armlex4210_wlan_init(void)
+{
+	/* enable */
+	s3c_gpio_cfgpin(EXYNOS4_GPX2(0), S3C_GPIO_SFN(0xf));
+	s3c_gpio_setpull(EXYNOS4_GPX2(0), S3C_GPIO_PULL_UP);
+
+	/* reset */
+	s3c_gpio_cfgpin(EXYNOS4_GPX1(6), S3C_GPIO_SFN(0xf));
+	s3c_gpio_setpull(EXYNOS4_GPX1(6), S3C_GPIO_PULL_UP);
+
+	/* wakeup */
+	s3c_gpio_cfgpin(EXYNOS4_GPX1(5), S3C_GPIO_SFN(0xf));
+	s3c_gpio_setpull(EXYNOS4_GPX1(5), S3C_GPIO_PULL_UP);
+}
+
+static struct resource armlex4210_smsc911x_resources[] = {
+	[0] = {
+		.start	= EXYNOS4_PA_SROM_BANK(3),
+		.end	= EXYNOS4_PA_SROM_BANK(3) + SZ_64K - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= IRQ_EINT(27),
+		.end	= IRQ_EINT(27),
+		.flags	= IORESOURCE_IRQ | IRQF_TRIGGER_HIGH,
+	},
+};
+
+static struct smsc911x_platform_config smsc9215_config = {
+	.irq_polarity	= SMSC911X_IRQ_POLARITY_ACTIVE_HIGH,
+	.irq_type	= SMSC911X_IRQ_TYPE_PUSH_PULL,
+	.flags		= SMSC911X_USE_16BIT | SMSC911X_FORCE_INTERNAL_PHY,
+	.phy_interface	= PHY_INTERFACE_MODE_MII,
+	.mac		= {0x00, 0x80, 0x00, 0x23, 0x45, 0x67},
+};
+
+static struct platform_device armlex4210_smsc911x = {
+	.name		= "smsc911x",
+	.id		= -1,
+	.num_resources	= ARRAY_SIZE(armlex4210_smsc911x_resources),
+	.resource	= armlex4210_smsc911x_resources,
+	.dev		= {
+		.platform_data	= &smsc9215_config,
+	},
+};
+
+static struct platform_device *armlex4210_devices[] __initdata = {
+	&s3c_device_hsmmc0,
+	&s3c_device_hsmmc2,
+	&s3c_device_hsmmc3,
+	&s3c_device_rtc,
+	&s3c_device_wdt,
+	&exynos4_device_sysmmu,
+	&samsung_asoc_dma,
+	&armlex4210_smsc911x,
+};
+
+static void __init armlex4210_smsc911x_init(void)
+{
+	u32 cs1;
+
+	/* configure nCS1 width to 16 bits */
+	cs1 = __raw_readl(S5P_SROM_BW) &
+		~(S5P_SROM_BW__CS_MASK << S5P_SROM_BW__NCS1__SHIFT);
+	cs1 |= ((1 << S5P_SROM_BW__DATAWIDTH__SHIFT) |
+		(0 << S5P_SROM_BW__WAITENABLE__SHIFT) |
+		(1 << S5P_SROM_BW__ADDRMODE__SHIFT) |
+		(1 << S5P_SROM_BW__BYTEENABLE__SHIFT)) <<
+		S5P_SROM_BW__NCS1__SHIFT;
+	__raw_writel(cs1, S5P_SROM_BW);
+
+	/* set timing for nCS1 suitable for ethernet chip */
+	__raw_writel((0x1 << S5P_SROM_BCX__PMC__SHIFT) |
+		     (0x9 << S5P_SROM_BCX__TACP__SHIFT) |
+		     (0xc << S5P_SROM_BCX__TCAH__SHIFT) |
+		     (0x1 << S5P_SROM_BCX__TCOH__SHIFT) |
+		     (0x6 << S5P_SROM_BCX__TACC__SHIFT) |
+		     (0x1 << S5P_SROM_BCX__TCOS__SHIFT) |
+		     (0x1 << S5P_SROM_BCX__TACS__SHIFT), S5P_SROM_BC1);
+}
+
+static void __init armlex4210_map_io(void)
+{
+	s5p_init_io(NULL, 0, S5P_VA_CHIPID);
+	s3c24xx_init_clocks(24000000);
+	s3c24xx_init_uarts(armlex4210_uartcfgs,
+			   ARRAY_SIZE(armlex4210_uartcfgs));
+}
+
+static void __init armlex4210_machine_init(void)
+{
+	armlex4210_smsc911x_init();
+
+	armlex4210_sdhci_init();
+
+	armlex4210_wlan_init();
+
+	platform_add_devices(armlex4210_devices,
+			     ARRAY_SIZE(armlex4210_devices));
+}
+
+MACHINE_START(ARMLEX4210, "ARMLEX4210")
+	/* Maintainer: Alim Akhtar <alim.akhtar@samsung.com> */
+	.boot_params	= S5P_PA_SDRAM + 0x100,
+	.init_irq	= exynos4_init_irq,
+	.map_io		= armlex4210_map_io,
+	.init_machine	= armlex4210_machine_init,
+	.timer		= &exynos4_timer,
+MACHINE_END
diff --git a/arch/arm/mach-exynos4/mach-nuri.c b/arch/arm/mach-exynos4/mach-nuri.c
new file mode 100644
index 000000000000..b79ad010d194
--- /dev/null
+++ b/arch/arm/mach-exynos4/mach-nuri.c
@@ -0,0 +1,305 @@
+/*
+ * linux/arch/arm/mach-exynos4/mach-nuri.c
+ *
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd.
+ *
+ * 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>
+#include <linux/serial_core.h>
+#include <linux/input.h>
+#include <linux/i2c.h>
+#include <linux/gpio_keys.h>
+#include <linux/gpio.h>
+#include <linux/regulator/machine.h>
+#include <linux/regulator/fixed.h>
+#include <linux/mmc/host.h>
+#include <linux/fb.h>
+#include <linux/pwm_backlight.h>
+
+#include <video/platform_lcd.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach-types.h>
+
+#include <plat/regs-serial.h>
+#include <plat/exynos4.h>
+#include <plat/cpu.h>
+#include <plat/devs.h>
+#include <plat/sdhci.h>
+
+#include <mach/map.h>
+
+/* Following are default values for UCON, ULCON and UFCON UART registers */
+#define NURI_UCON_DEFAULT	(S3C2410_UCON_TXILEVEL |	\
+				 S3C2410_UCON_RXILEVEL |	\
+				 S3C2410_UCON_TXIRQMODE |	\
+				 S3C2410_UCON_RXIRQMODE |	\
+				 S3C2410_UCON_RXFIFO_TOI |	\
+				 S3C2443_UCON_RXERR_IRQEN)
+
+#define NURI_ULCON_DEFAULT	S3C2410_LCON_CS8
+
+#define NURI_UFCON_DEFAULT	(S3C2410_UFCON_FIFOMODE |	\
+				 S5PV210_UFCON_TXTRIG256 |	\
+				 S5PV210_UFCON_RXTRIG256)
+
+enum fixed_regulator_id {
+	FIXED_REG_ID_MMC = 0,
+};
+
+static struct s3c2410_uartcfg nuri_uartcfgs[] __initdata = {
+	{
+		.hwport		= 0,
+		.ucon		= NURI_UCON_DEFAULT,
+		.ulcon		= NURI_ULCON_DEFAULT,
+		.ufcon		= NURI_UFCON_DEFAULT,
+	},
+	{
+		.hwport		= 1,
+		.ucon		= NURI_UCON_DEFAULT,
+		.ulcon		= NURI_ULCON_DEFAULT,
+		.ufcon		= NURI_UFCON_DEFAULT,
+	},
+	{
+		.hwport		= 2,
+		.ucon		= NURI_UCON_DEFAULT,
+		.ulcon		= NURI_ULCON_DEFAULT,
+		.ufcon		= NURI_UFCON_DEFAULT,
+	},
+	{
+		.hwport		= 3,
+		.ucon		= NURI_UCON_DEFAULT,
+		.ulcon		= NURI_ULCON_DEFAULT,
+		.ufcon		= NURI_UFCON_DEFAULT,
+	},
+};
+
+/* eMMC */
+static struct s3c_sdhci_platdata nuri_hsmmc0_data __initdata = {
+	.max_width		= 8,
+	.host_caps		= (MMC_CAP_8_BIT_DATA | MMC_CAP_4_BIT_DATA |
+				MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED |
+				MMC_CAP_DISABLE | MMC_CAP_ERASE),
+	.cd_type		= S3C_SDHCI_CD_PERMANENT,
+	.clk_type		= S3C_SDHCI_CLK_DIV_EXTERNAL,
+};
+
+static struct regulator_consumer_supply emmc_supplies[] = {
+	REGULATOR_SUPPLY("vmmc", "s3c-sdhci.0"),
+	REGULATOR_SUPPLY("vmmc", "dw_mmc"),
+};
+
+static struct regulator_init_data emmc_fixed_voltage_init_data = {
+	.constraints		= {
+		.name		= "VMEM_VDD_2.8V",
+		.valid_ops_mask	= REGULATOR_CHANGE_STATUS,
+	},
+	.num_consumer_supplies	= ARRAY_SIZE(emmc_supplies),
+	.consumer_supplies	= emmc_supplies,
+};
+
+static struct fixed_voltage_config emmc_fixed_voltage_config = {
+	.supply_name		= "MASSMEMORY_EN (inverted)",
+	.microvolts		= 2800000,
+	.gpio			= EXYNOS4_GPL1(1),
+	.enable_high		= false,
+	.init_data		= &emmc_fixed_voltage_init_data,
+};
+
+static struct platform_device emmc_fixed_voltage = {
+	.name			= "reg-fixed-voltage",
+	.id			= FIXED_REG_ID_MMC,
+	.dev			= {
+		.platform_data	= &emmc_fixed_voltage_config,
+	},
+};
+
+/* SD */
+static struct s3c_sdhci_platdata nuri_hsmmc2_data __initdata = {
+	.max_width		= 4,
+	.host_caps		= MMC_CAP_4_BIT_DATA |
+				MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED |
+				MMC_CAP_DISABLE,
+	.ext_cd_gpio		= EXYNOS4_GPX3(3),	/* XEINT_27 */
+	.ext_cd_gpio_invert	= 1,
+	.cd_type		= S3C_SDHCI_CD_GPIO,
+	.clk_type		= S3C_SDHCI_CLK_DIV_EXTERNAL,
+};
+
+/* WLAN */
+static struct s3c_sdhci_platdata nuri_hsmmc3_data __initdata = {
+	.max_width		= 4,
+	.host_caps		= MMC_CAP_4_BIT_DATA |
+				MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
+	.cd_type		= S3C_SDHCI_CD_EXTERNAL,
+	.clk_type		= S3C_SDHCI_CLK_DIV_EXTERNAL,
+};
+
+static void __init nuri_sdhci_init(void)
+{
+	s3c_sdhci0_set_platdata(&nuri_hsmmc0_data);
+	s3c_sdhci2_set_platdata(&nuri_hsmmc2_data);
+	s3c_sdhci3_set_platdata(&nuri_hsmmc3_data);
+}
+
+/* GPIO KEYS */
+static struct gpio_keys_button nuri_gpio_keys_tables[] = {
+	{
+		.code			= KEY_VOLUMEUP,
+		.gpio			= EXYNOS4_GPX2(0),	/* XEINT16 */
+		.desc			= "gpio-keys: KEY_VOLUMEUP",
+		.type			= EV_KEY,
+		.active_low		= 1,
+		.debounce_interval	= 1,
+	}, {
+		.code			= KEY_VOLUMEDOWN,
+		.gpio			= EXYNOS4_GPX2(1),	/* XEINT17 */
+		.desc			= "gpio-keys: KEY_VOLUMEDOWN",
+		.type			= EV_KEY,
+		.active_low		= 1,
+		.debounce_interval	= 1,
+	}, {
+		.code			= KEY_POWER,
+		.gpio			= EXYNOS4_GPX2(7),	/* XEINT23 */
+		.desc			= "gpio-keys: KEY_POWER",
+		.type			= EV_KEY,
+		.active_low		= 1,
+		.wakeup			= 1,
+		.debounce_interval	= 1,
+	},
+};
+
+static struct gpio_keys_platform_data nuri_gpio_keys_data = {
+	.buttons		= nuri_gpio_keys_tables,
+	.nbuttons		= ARRAY_SIZE(nuri_gpio_keys_tables),
+};
+
+static struct platform_device nuri_gpio_keys = {
+	.name			= "gpio-keys",
+	.dev			= {
+		.platform_data	= &nuri_gpio_keys_data,
+	},
+};
+
+static void nuri_lcd_power_on(struct plat_lcd_data *pd, unsigned int power)
+{
+	int gpio = EXYNOS4_GPE1(5);
+
+	gpio_request(gpio, "LVDS_nSHDN");
+	gpio_direction_output(gpio, power);
+	gpio_free(gpio);
+}
+
+static int nuri_bl_init(struct device *dev)
+{
+	int ret, gpio = EXYNOS4_GPE2(3);
+
+	ret = gpio_request(gpio, "LCD_LDO_EN");
+	if (!ret)
+		gpio_direction_output(gpio, 0);
+
+	return ret;
+}
+
+static int nuri_bl_notify(struct device *dev, int brightness)
+{
+	if (brightness < 1)
+		brightness = 0;
+
+	gpio_set_value(EXYNOS4_GPE2(3), 1);
+
+	return brightness;
+}
+
+static void nuri_bl_exit(struct device *dev)
+{
+	gpio_free(EXYNOS4_GPE2(3));
+}
+
+/* nuri pwm backlight */
+static struct platform_pwm_backlight_data nuri_backlight_data = {
+	.pwm_id			= 0,
+	.pwm_period_ns		= 30000,
+	.max_brightness		= 100,
+	.dft_brightness		= 50,
+	.init			= nuri_bl_init,
+	.notify			= nuri_bl_notify,
+	.exit			= nuri_bl_exit,
+};
+
+static struct platform_device nuri_backlight_device = {
+	.name			= "pwm-backlight",
+	.id			= -1,
+	.dev			= {
+		.parent		= &s3c_device_timer[0].dev,
+		.platform_data	= &nuri_backlight_data,
+	},
+};
+
+static struct plat_lcd_data nuri_lcd_platform_data = {
+	.set_power		= nuri_lcd_power_on,
+};
+
+static struct platform_device nuri_lcd_device = {
+	.name			= "platform-lcd",
+	.id			= -1,
+	.dev			= {
+		.platform_data	= &nuri_lcd_platform_data,
+	},
+};
+
+/* I2C1 */
+static struct i2c_board_info i2c1_devs[] __initdata = {
+	/* Gyro, To be updated */
+};
+
+/* GPIO I2C 5 (PMIC) */
+static struct i2c_board_info i2c5_devs[] __initdata = {
+	/* max8997, To be updated */
+};
+
+static struct platform_device *nuri_devices[] __initdata = {
+	/* Samsung Platform Devices */
+	&emmc_fixed_voltage,
+	&s3c_device_hsmmc0,
+	&s3c_device_hsmmc2,
+	&s3c_device_hsmmc3,
+	&s3c_device_wdt,
+	&s3c_device_timer[0],
+
+	/* NURI Devices */
+	&nuri_gpio_keys,
+	&nuri_lcd_device,
+	&nuri_backlight_device,
+};
+
+static void __init nuri_map_io(void)
+{
+	s5p_init_io(NULL, 0, S5P_VA_CHIPID);
+	s3c24xx_init_clocks(24000000);
+	s3c24xx_init_uarts(nuri_uartcfgs, ARRAY_SIZE(nuri_uartcfgs));
+}
+
+static void __init nuri_machine_init(void)
+{
+	nuri_sdhci_init();
+
+	i2c_register_board_info(1, i2c1_devs, ARRAY_SIZE(i2c1_devs));
+	i2c_register_board_info(5, i2c5_devs, ARRAY_SIZE(i2c5_devs));
+
+	/* Last */
+	platform_add_devices(nuri_devices, ARRAY_SIZE(nuri_devices));
+}
+
+MACHINE_START(NURI, "NURI")
+	/* Maintainer: Kyungmin Park <kyungmin.park@samsung.com> */
+	.boot_params	= S5P_PA_SDRAM + 0x100,
+	.init_irq	= exynos4_init_irq,
+	.map_io		= nuri_map_io,
+	.init_machine	= nuri_machine_init,
+	.timer		= &exynos4_timer,
+MACHINE_END
diff --git a/arch/arm/mach-s5pv310/mach-smdkc210.c b/arch/arm/mach-exynos4/mach-smdkc210.c
index d9cab02e23ca..25a256818122 100644
--- a/arch/arm/mach-s5pv310/mach-smdkc210.c
+++ b/arch/arm/mach-exynos4/mach-smdkc210.c
@@ -1,7 +1,7 @@
-/* linux/arch/arm/mach-s5pv310/mach-smdkc210.c
+/* linux/arch/arm/mach-exynos4/mach-smdkc210.c
  *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com/
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
@@ -21,7 +21,7 @@
 
 #include <plat/regs-serial.h>
 #include <plat/regs-srom.h>
-#include <plat/s5pv310.h>
+#include <plat/exynos4.h>
 #include <plat/cpu.h>
 #include <plat/devs.h>
 #include <plat/sdhci.h>
@@ -77,10 +77,10 @@ static struct s3c2410_uartcfg smdkc210_uartcfgs[] __initdata = {
 
 static struct s3c_sdhci_platdata smdkc210_hsmmc0_pdata __initdata = {
 	.cd_type		= S3C_SDHCI_CD_GPIO,
-	.ext_cd_gpio		= S5PV310_GPK0(2),
+	.ext_cd_gpio		= EXYNOS4_GPK0(2),
 	.ext_cd_gpio_invert	= 1,
 	.clk_type		= S3C_SDHCI_CLK_DIV_EXTERNAL,
-#ifdef CONFIG_S5PV310_SDHCI_CH0_8BIT
+#ifdef CONFIG_EXYNOS4_SDHCI_CH0_8BIT
 	.max_width		= 8,
 	.host_caps		= MMC_CAP_8_BIT_DATA,
 #endif
@@ -88,17 +88,17 @@ static struct s3c_sdhci_platdata smdkc210_hsmmc0_pdata __initdata = {
 
 static struct s3c_sdhci_platdata smdkc210_hsmmc1_pdata __initdata = {
 	.cd_type		= S3C_SDHCI_CD_GPIO,
-	.ext_cd_gpio		= S5PV310_GPK0(2),
+	.ext_cd_gpio		= EXYNOS4_GPK0(2),
 	.ext_cd_gpio_invert	= 1,
 	.clk_type		= S3C_SDHCI_CLK_DIV_EXTERNAL,
 };
 
 static struct s3c_sdhci_platdata smdkc210_hsmmc2_pdata __initdata = {
 	.cd_type		= S3C_SDHCI_CD_GPIO,
-	.ext_cd_gpio		= S5PV310_GPK2(2),
+	.ext_cd_gpio		= EXYNOS4_GPK2(2),
 	.ext_cd_gpio_invert	= 1,
 	.clk_type		= S3C_SDHCI_CLK_DIV_EXTERNAL,
-#ifdef CONFIG_S5PV310_SDHCI_CH2_8BIT
+#ifdef CONFIG_EXYNOS4_SDHCI_CH2_8BIT
 	.max_width		= 8,
 	.host_caps		= MMC_CAP_8_BIT_DATA,
 #endif
@@ -106,15 +106,15 @@ static struct s3c_sdhci_platdata smdkc210_hsmmc2_pdata __initdata = {
 
 static struct s3c_sdhci_platdata smdkc210_hsmmc3_pdata __initdata = {
 	.cd_type		= S3C_SDHCI_CD_GPIO,
-	.ext_cd_gpio		= S5PV310_GPK2(2),
+	.ext_cd_gpio		= EXYNOS4_GPK2(2),
 	.ext_cd_gpio_invert	= 1,
 	.clk_type		= S3C_SDHCI_CLK_DIV_EXTERNAL,
 };
 
 static struct resource smdkc210_smsc911x_resources[] = {
 	[0] = {
-		.start	= S5PV310_PA_SROM_BANK(1),
-		.end	= S5PV310_PA_SROM_BANK(1) + SZ_64K - 1,
+		.start	= EXYNOS4_PA_SROM_BANK(1),
+		.end	= EXYNOS4_PA_SROM_BANK(1) + SZ_64K - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 	[1] = {
@@ -154,16 +154,16 @@ static struct platform_device *smdkc210_devices[] __initdata = {
 	&s3c_device_i2c1,
 	&s3c_device_rtc,
 	&s3c_device_wdt,
-	&s5pv310_device_ac97,
-	&s5pv310_device_i2s0,
-	&s5pv310_device_pd[PD_MFC],
-	&s5pv310_device_pd[PD_G3D],
-	&s5pv310_device_pd[PD_LCD0],
-	&s5pv310_device_pd[PD_LCD1],
-	&s5pv310_device_pd[PD_CAM],
-	&s5pv310_device_pd[PD_TV],
-	&s5pv310_device_pd[PD_GPS],
-	&s5pv310_device_sysmmu,
+	&exynos4_device_ac97,
+	&exynos4_device_i2s0,
+	&exynos4_device_pd[PD_MFC],
+	&exynos4_device_pd[PD_G3D],
+	&exynos4_device_pd[PD_LCD0],
+	&exynos4_device_pd[PD_LCD1],
+	&exynos4_device_pd[PD_CAM],
+	&exynos4_device_pd[PD_TV],
+	&exynos4_device_pd[PD_GPS],
+	&exynos4_device_sysmmu,
 	&samsung_asoc_dma,
 	&smdkc210_smsc911x,
 };
@@ -216,8 +216,8 @@ static void __init smdkc210_machine_init(void)
 MACHINE_START(SMDKC210, "SMDKC210")
 	/* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
 	.boot_params	= S5P_PA_SDRAM + 0x100,
-	.init_irq	= s5pv310_init_irq,
+	.init_irq	= exynos4_init_irq,
 	.map_io		= smdkc210_map_io,
 	.init_machine	= smdkc210_machine_init,
-	.timer		= &s5pv310_timer,
+	.timer		= &exynos4_timer,
 MACHINE_END
diff --git a/arch/arm/mach-s5pv310/mach-smdkv310.c b/arch/arm/mach-exynos4/mach-smdkv310.c
index b1cddbf3c616..07860a5b2f5d 100644
--- a/arch/arm/mach-s5pv310/mach-smdkv310.c
+++ b/arch/arm/mach-exynos4/mach-smdkv310.c
@@ -1,7 +1,7 @@
-/* linux/arch/arm/mach-s5pv310/mach-smdkv310.c
+/* linux/arch/arm/mach-exynos4/mach-smdkv310.c
  *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com/
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
@@ -21,7 +21,7 @@
 
 #include <plat/regs-serial.h>
 #include <plat/regs-srom.h>
-#include <plat/s5pv310.h>
+#include <plat/exynos4.h>
 #include <plat/cpu.h>
 #include <plat/devs.h>
 #include <plat/sdhci.h>
@@ -77,10 +77,10 @@ static struct s3c2410_uartcfg smdkv310_uartcfgs[] __initdata = {
 
 static struct s3c_sdhci_platdata smdkv310_hsmmc0_pdata __initdata = {
 	.cd_type		= S3C_SDHCI_CD_GPIO,
-	.ext_cd_gpio		= S5PV310_GPK0(2),
+	.ext_cd_gpio		= EXYNOS4_GPK0(2),
 	.ext_cd_gpio_invert	= 1,
 	.clk_type		= S3C_SDHCI_CLK_DIV_EXTERNAL,
-#ifdef CONFIG_S5PV310_SDHCI_CH0_8BIT
+#ifdef CONFIG_EXYNOS4_SDHCI_CH0_8BIT
 	.max_width		= 8,
 	.host_caps		= MMC_CAP_8_BIT_DATA,
 #endif
@@ -88,17 +88,17 @@ static struct s3c_sdhci_platdata smdkv310_hsmmc0_pdata __initdata = {
 
 static struct s3c_sdhci_platdata smdkv310_hsmmc1_pdata __initdata = {
 	.cd_type		= S3C_SDHCI_CD_GPIO,
-	.ext_cd_gpio		= S5PV310_GPK0(2),
+	.ext_cd_gpio		= EXYNOS4_GPK0(2),
 	.ext_cd_gpio_invert	= 1,
 	.clk_type		= S3C_SDHCI_CLK_DIV_EXTERNAL,
 };
 
 static struct s3c_sdhci_platdata smdkv310_hsmmc2_pdata __initdata = {
 	.cd_type		= S3C_SDHCI_CD_GPIO,
-	.ext_cd_gpio		= S5PV310_GPK2(2),
+	.ext_cd_gpio		= EXYNOS4_GPK2(2),
 	.ext_cd_gpio_invert	= 1,
 	.clk_type		= S3C_SDHCI_CLK_DIV_EXTERNAL,
-#ifdef CONFIG_S5PV310_SDHCI_CH2_8BIT
+#ifdef CONFIG_EXYNOS4_SDHCI_CH2_8BIT
 	.max_width		= 8,
 	.host_caps		= MMC_CAP_8_BIT_DATA,
 #endif
@@ -106,15 +106,15 @@ static struct s3c_sdhci_platdata smdkv310_hsmmc2_pdata __initdata = {
 
 static struct s3c_sdhci_platdata smdkv310_hsmmc3_pdata __initdata = {
 	.cd_type		= S3C_SDHCI_CD_GPIO,
-	.ext_cd_gpio		= S5PV310_GPK2(2),
+	.ext_cd_gpio		= EXYNOS4_GPK2(2),
 	.ext_cd_gpio_invert	= 1,
 	.clk_type		= S3C_SDHCI_CLK_DIV_EXTERNAL,
 };
 
 static struct resource smdkv310_smsc911x_resources[] = {
 	[0] = {
-		.start	= S5PV310_PA_SROM_BANK(1),
-		.end	= S5PV310_PA_SROM_BANK(1) + SZ_64K - 1,
+		.start	= EXYNOS4_PA_SROM_BANK(1),
+		.end	= EXYNOS4_PA_SROM_BANK(1) + SZ_64K - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 	[1] = {
@@ -154,16 +154,16 @@ static struct platform_device *smdkv310_devices[] __initdata = {
 	&s3c_device_i2c1,
 	&s3c_device_rtc,
 	&s3c_device_wdt,
-	&s5pv310_device_ac97,
-	&s5pv310_device_i2s0,
-	&s5pv310_device_pd[PD_MFC],
-	&s5pv310_device_pd[PD_G3D],
-	&s5pv310_device_pd[PD_LCD0],
-	&s5pv310_device_pd[PD_LCD1],
-	&s5pv310_device_pd[PD_CAM],
-	&s5pv310_device_pd[PD_TV],
-	&s5pv310_device_pd[PD_GPS],
-	&s5pv310_device_sysmmu,
+	&exynos4_device_ac97,
+	&exynos4_device_i2s0,
+	&exynos4_device_pd[PD_MFC],
+	&exynos4_device_pd[PD_G3D],
+	&exynos4_device_pd[PD_LCD0],
+	&exynos4_device_pd[PD_LCD1],
+	&exynos4_device_pd[PD_CAM],
+	&exynos4_device_pd[PD_TV],
+	&exynos4_device_pd[PD_GPS],
+	&exynos4_device_sysmmu,
 	&samsung_asoc_dma,
 	&smdkv310_smsc911x,
 };
@@ -217,8 +217,8 @@ MACHINE_START(SMDKV310, "SMDKV310")
 	/* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
 	/* Maintainer: Changhwan Youn <chaos.youn@samsung.com> */
 	.boot_params	= S5P_PA_SDRAM + 0x100,
-	.init_irq	= s5pv310_init_irq,
+	.init_irq	= exynos4_init_irq,
 	.map_io		= smdkv310_map_io,
 	.init_machine	= smdkv310_machine_init,
-	.timer		= &s5pv310_timer,
+	.timer		= &exynos4_timer,
 MACHINE_END
diff --git a/arch/arm/mach-exynos4/mach-universal_c210.c b/arch/arm/mach-exynos4/mach-universal_c210.c
new file mode 100644
index 000000000000..97d329fff2cf
--- /dev/null
+++ b/arch/arm/mach-exynos4/mach-universal_c210.c
@@ -0,0 +1,650 @@
+/* linux/arch/arm/mach-exynos4/mach-universal_c210.c
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *
+ * 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>
+#include <linux/serial_core.h>
+#include <linux/input.h>
+#include <linux/i2c.h>
+#include <linux/gpio_keys.h>
+#include <linux/gpio.h>
+#include <linux/mfd/max8998.h>
+#include <linux/regulator/machine.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/max8952.h>
+#include <linux/mmc/host.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach-types.h>
+
+#include <plat/regs-serial.h>
+#include <plat/exynos4.h>
+#include <plat/cpu.h>
+#include <plat/devs.h>
+#include <plat/iic.h>
+#include <plat/sdhci.h>
+
+#include <mach/map.h>
+
+/* Following are default values for UCON, ULCON and UFCON UART registers */
+#define UNIVERSAL_UCON_DEFAULT	(S3C2410_UCON_TXILEVEL |	\
+				 S3C2410_UCON_RXILEVEL |	\
+				 S3C2410_UCON_TXIRQMODE |	\
+				 S3C2410_UCON_RXIRQMODE |	\
+				 S3C2410_UCON_RXFIFO_TOI |	\
+				 S3C2443_UCON_RXERR_IRQEN)
+
+#define UNIVERSAL_ULCON_DEFAULT	S3C2410_LCON_CS8
+
+#define UNIVERSAL_UFCON_DEFAULT	(S3C2410_UFCON_FIFOMODE |	\
+				 S5PV210_UFCON_TXTRIG256 |	\
+				 S5PV210_UFCON_RXTRIG256)
+
+static struct s3c2410_uartcfg universal_uartcfgs[] __initdata = {
+	[0] = {
+		.hwport		= 0,
+		.ucon		= UNIVERSAL_UCON_DEFAULT,
+		.ulcon		= UNIVERSAL_ULCON_DEFAULT,
+		.ufcon		= UNIVERSAL_UFCON_DEFAULT,
+	},
+	[1] = {
+		.hwport		= 1,
+		.ucon		= UNIVERSAL_UCON_DEFAULT,
+		.ulcon		= UNIVERSAL_ULCON_DEFAULT,
+		.ufcon		= UNIVERSAL_UFCON_DEFAULT,
+	},
+	[2] = {
+		.hwport		= 2,
+		.ucon		= UNIVERSAL_UCON_DEFAULT,
+		.ulcon		= UNIVERSAL_ULCON_DEFAULT,
+		.ufcon		= UNIVERSAL_UFCON_DEFAULT,
+	},
+	[3] = {
+		.hwport		= 3,
+		.ucon		= UNIVERSAL_UCON_DEFAULT,
+		.ulcon		= UNIVERSAL_ULCON_DEFAULT,
+		.ufcon		= UNIVERSAL_UFCON_DEFAULT,
+	},
+};
+
+static struct regulator_consumer_supply max8952_consumer =
+	REGULATOR_SUPPLY("vddarm", NULL);
+
+static struct max8952_platform_data universal_max8952_pdata __initdata = {
+	.gpio_vid0	= EXYNOS4_GPX0(3),
+	.gpio_vid1	= EXYNOS4_GPX0(4),
+	.gpio_en	= -1, /* Not controllable, set "Always High" */
+	.default_mode	= 0, /* vid0 = 0, vid1 = 0 */
+	.dvs_mode	= { 48, 32, 28, 18 }, /* 1.25, 1.20, 1.05, 0.95V */
+	.sync_freq	= 0, /* default: fastest */
+	.ramp_speed	= 0, /* default: fastest */
+
+	.reg_data	= {
+		.constraints	= {
+			.name		= "VARM_1.2V",
+			.min_uV		= 770000,
+			.max_uV		= 1400000,
+			.valid_ops_mask	= REGULATOR_CHANGE_VOLTAGE,
+			.always_on	= 1,
+			.boot_on	= 1,
+		},
+		.num_consumer_supplies	= 1,
+		.consumer_supplies	= &max8952_consumer,
+	},
+};
+
+static struct regulator_consumer_supply lp3974_buck1_consumer =
+	REGULATOR_SUPPLY("vddint", NULL);
+
+static struct regulator_consumer_supply lp3974_buck2_consumer =
+	REGULATOR_SUPPLY("vddg3d", NULL);
+
+static struct regulator_init_data lp3974_buck1_data = {
+	.constraints	= {
+		.name		= "VINT_1.1V",
+		.min_uV		= 750000,
+		.max_uV		= 1500000,
+		.valid_ops_mask	= REGULATOR_CHANGE_VOLTAGE |
+			REGULATOR_CHANGE_STATUS,
+		.boot_on	= 1,
+		.state_mem	= {
+			.disabled	= 1,
+		},
+	},
+	.num_consumer_supplies = 1,
+	.consumer_supplies = &lp3974_buck1_consumer,
+};
+
+static struct regulator_init_data lp3974_buck2_data = {
+	.constraints	= {
+		.name		= "VG3D_1.1V",
+		.min_uV		= 750000,
+		.max_uV		= 1500000,
+		.valid_ops_mask	= REGULATOR_CHANGE_VOLTAGE |
+			REGULATOR_CHANGE_STATUS,
+		.boot_on	= 1,
+		.state_mem	= {
+			.disabled	= 1,
+		},
+	},
+	.num_consumer_supplies = 1,
+	.consumer_supplies = &lp3974_buck2_consumer,
+};
+
+static struct regulator_init_data lp3974_buck3_data = {
+	.constraints	= {
+		.name		= "VCC_1.8V",
+		.min_uV		= 1800000,
+		.max_uV		= 1800000,
+		.apply_uV	= 1,
+		.always_on	= 1,
+		.state_mem	= {
+			.enabled	= 1,
+		},
+	},
+};
+
+static struct regulator_init_data lp3974_buck4_data = {
+	.constraints	= {
+		.name		= "VMEM_1.2V",
+		.min_uV		= 1200000,
+		.max_uV		= 1200000,
+		.valid_ops_mask	= REGULATOR_CHANGE_STATUS,
+		.apply_uV	= 1,
+		.state_mem	= {
+			.disabled	= 1,
+		},
+	},
+};
+
+static struct regulator_init_data lp3974_ldo2_data = {
+	.constraints	= {
+		.name		= "VALIVE_1.2V",
+		.min_uV		= 1200000,
+		.max_uV		= 1200000,
+		.apply_uV	= 1,
+		.always_on	= 1,
+		.state_mem	= {
+			.enabled	= 1,
+		},
+	},
+};
+
+static struct regulator_init_data lp3974_ldo3_data = {
+	.constraints	= {
+		.name		= "VUSB+MIPI_1.1V",
+		.min_uV		= 1100000,
+		.max_uV		= 1100000,
+		.apply_uV	= 1,
+		.valid_ops_mask	= REGULATOR_CHANGE_STATUS,
+		.state_mem	= {
+			.disabled	= 1,
+		},
+	},
+};
+
+static struct regulator_init_data lp3974_ldo4_data = {
+	.constraints	= {
+		.name		= "VADC_3.3V",
+		.min_uV		= 3300000,
+		.max_uV		= 3300000,
+		.apply_uV	= 1,
+		.valid_ops_mask	= REGULATOR_CHANGE_STATUS,
+		.state_mem	= {
+			.disabled	= 1,
+		},
+	},
+};
+
+static struct regulator_init_data lp3974_ldo5_data = {
+	.constraints	= {
+		.name		= "VTF_2.8V",
+		.min_uV		= 2800000,
+		.max_uV		= 2800000,
+		.apply_uV	= 1,
+		.valid_ops_mask	= REGULATOR_CHANGE_STATUS,
+		.state_mem	= {
+			.disabled	= 1,
+		},
+	},
+};
+
+static struct regulator_init_data lp3974_ldo6_data = {
+	.constraints	= {
+		.name		= "LDO6",
+		.min_uV		= 2000000,
+		.max_uV		= 2000000,
+		.apply_uV	= 1,
+		.valid_ops_mask	= REGULATOR_CHANGE_STATUS,
+		.state_mem	= {
+			.disabled	= 1,
+		},
+	},
+};
+
+static struct regulator_init_data lp3974_ldo7_data = {
+	.constraints	= {
+		.name		= "VLCD+VMIPI_1.8V",
+		.min_uV		= 1800000,
+		.max_uV		= 1800000,
+		.apply_uV	= 1,
+		.valid_ops_mask	= REGULATOR_CHANGE_STATUS,
+		.state_mem	= {
+			.disabled	= 1,
+		},
+	},
+};
+
+static struct regulator_init_data lp3974_ldo8_data = {
+	.constraints	= {
+		.name		= "VUSB+VDAC_3.3V",
+		.min_uV		= 3300000,
+		.max_uV		= 3300000,
+		.apply_uV	= 1,
+		.valid_ops_mask	= REGULATOR_CHANGE_STATUS,
+		.state_mem	= {
+			.disabled	= 1,
+		},
+	},
+};
+
+static struct regulator_init_data lp3974_ldo9_data = {
+	.constraints	= {
+		.name		= "VCC_2.8V",
+		.min_uV		= 2800000,
+		.max_uV		= 2800000,
+		.apply_uV	= 1,
+		.always_on	= 1,
+		.state_mem	= {
+			.enabled	= 1,
+		},
+	},
+};
+
+static struct regulator_init_data lp3974_ldo10_data = {
+	.constraints	= {
+		.name		= "VPLL_1.1V",
+		.min_uV		= 1100000,
+		.max_uV		= 1100000,
+		.boot_on	= 1,
+		.apply_uV	= 1,
+		.valid_ops_mask	= REGULATOR_CHANGE_STATUS,
+		.state_mem	= {
+			.disabled	= 1,
+		},
+	},
+};
+
+static struct regulator_init_data lp3974_ldo11_data = {
+	.constraints	= {
+		.name		= "CAM_AF_3.3V",
+		.min_uV		= 3300000,
+		.max_uV		= 3300000,
+		.apply_uV	= 1,
+		.valid_ops_mask	= REGULATOR_CHANGE_STATUS,
+		.state_mem	= {
+			.disabled	= 1,
+		},
+	},
+};
+
+static struct regulator_init_data lp3974_ldo12_data = {
+	.constraints	= {
+		.name		= "PS_2.8V",
+		.min_uV		= 2800000,
+		.max_uV		= 2800000,
+		.apply_uV	= 1,
+		.valid_ops_mask	= REGULATOR_CHANGE_STATUS,
+		.state_mem	= {
+			.disabled	= 1,
+		},
+	},
+};
+
+static struct regulator_init_data lp3974_ldo13_data = {
+	.constraints	= {
+		.name		= "VHIC_1.2V",
+		.min_uV		= 1200000,
+		.max_uV		= 1200000,
+		.apply_uV	= 1,
+		.valid_ops_mask	= REGULATOR_CHANGE_STATUS,
+		.state_mem	= {
+			.disabled	= 1,
+		},
+	},
+};
+
+static struct regulator_init_data lp3974_ldo14_data = {
+	.constraints	= {
+		.name		= "CAM_I_HOST_1.8V",
+		.min_uV		= 1800000,
+		.max_uV		= 1800000,
+		.apply_uV	= 1,
+		.valid_ops_mask	= REGULATOR_CHANGE_STATUS,
+		.state_mem	= {
+			.disabled	= 1,
+		},
+	},
+};
+
+static struct regulator_init_data lp3974_ldo15_data = {
+	.constraints	= {
+		.name		= "CAM_S_DIG+FM33_CORE_1.2V",
+		.min_uV		= 1200000,
+		.max_uV		= 1200000,
+		.apply_uV	= 1,
+		.valid_ops_mask	= REGULATOR_CHANGE_STATUS,
+		.state_mem	= {
+			.disabled	= 1,
+		},
+	},
+};
+
+static struct regulator_init_data lp3974_ldo16_data = {
+	.constraints	= {
+		.name		= "CAM_S_ANA_2.8V",
+		.min_uV		= 2800000,
+		.max_uV		= 2800000,
+		.apply_uV	= 1,
+		.valid_ops_mask	= REGULATOR_CHANGE_STATUS,
+		.state_mem	= {
+			.disabled	= 1,
+		},
+	},
+};
+
+static struct regulator_init_data lp3974_ldo17_data = {
+	.constraints	= {
+		.name		= "VCC_3.0V_LCD",
+		.min_uV		= 3000000,
+		.max_uV		= 3000000,
+		.apply_uV	= 1,
+		.valid_ops_mask	= REGULATOR_CHANGE_STATUS,
+		.boot_on	= 1,
+		.state_mem	= {
+			.disabled	= 1,
+		},
+	},
+};
+
+static struct regulator_init_data lp3974_32khz_ap_data = {
+	.constraints	= {
+		.name		= "32KHz AP",
+		.always_on	= 1,
+		.state_mem	= {
+			.enabled	= 1,
+		},
+	},
+};
+
+static struct regulator_init_data lp3974_32khz_cp_data = {
+	.constraints	= {
+		.name		= "32KHz CP",
+		.state_mem	= {
+			.disabled	= 1,
+		},
+	},
+};
+
+static struct regulator_init_data lp3974_vichg_data = {
+	.constraints	= {
+		.name		= "VICHG",
+		.state_mem	= {
+			.disabled	= 1,
+		},
+	},
+};
+
+static struct regulator_init_data lp3974_esafeout1_data = {
+	.constraints	= {
+		.name		= "SAFEOUT1",
+		.valid_ops_mask	= REGULATOR_CHANGE_STATUS,
+		.state_mem	= {
+			.enabled	= 1,
+		},
+	},
+};
+
+static struct regulator_init_data lp3974_esafeout2_data = {
+	.constraints	= {
+		.name		= "SAFEOUT2",
+		.boot_on	= 1,
+		.valid_ops_mask	= REGULATOR_CHANGE_STATUS,
+		.state_mem	= {
+			.enabled	= 1,
+		},
+	},
+};
+
+static struct max8998_regulator_data lp3974_regulators[] = {
+	{ MAX8998_LDO2,  &lp3974_ldo2_data },
+	{ MAX8998_LDO3,  &lp3974_ldo3_data },
+	{ MAX8998_LDO4,  &lp3974_ldo4_data },
+	{ MAX8998_LDO5,  &lp3974_ldo5_data },
+	{ MAX8998_LDO6,  &lp3974_ldo6_data },
+	{ MAX8998_LDO7,  &lp3974_ldo7_data },
+	{ MAX8998_LDO8,  &lp3974_ldo8_data },
+	{ MAX8998_LDO9,  &lp3974_ldo9_data },
+	{ MAX8998_LDO10, &lp3974_ldo10_data },
+	{ MAX8998_LDO11, &lp3974_ldo11_data },
+	{ MAX8998_LDO12, &lp3974_ldo12_data },
+	{ MAX8998_LDO13, &lp3974_ldo13_data },
+	{ MAX8998_LDO14, &lp3974_ldo14_data },
+	{ MAX8998_LDO15, &lp3974_ldo15_data },
+	{ MAX8998_LDO16, &lp3974_ldo16_data },
+	{ MAX8998_LDO17, &lp3974_ldo17_data },
+	{ MAX8998_BUCK1, &lp3974_buck1_data },
+	{ MAX8998_BUCK2, &lp3974_buck2_data },
+	{ MAX8998_BUCK3, &lp3974_buck3_data },
+	{ MAX8998_BUCK4, &lp3974_buck4_data },
+	{ MAX8998_EN32KHZ_AP, &lp3974_32khz_ap_data },
+	{ MAX8998_EN32KHZ_CP, &lp3974_32khz_cp_data },
+	{ MAX8998_ENVICHG, &lp3974_vichg_data },
+	{ MAX8998_ESAFEOUT1, &lp3974_esafeout1_data },
+	{ MAX8998_ESAFEOUT2, &lp3974_esafeout2_data },
+};
+
+static struct max8998_platform_data universal_lp3974_pdata = {
+	.num_regulators		= ARRAY_SIZE(lp3974_regulators),
+	.regulators		= lp3974_regulators,
+	.buck1_voltage1		= 1100000,	/* INT */
+	.buck1_voltage2		= 1000000,
+	.buck1_voltage3		= 1100000,
+	.buck1_voltage4		= 1000000,
+	.buck1_set1		= EXYNOS4_GPX0(5),
+	.buck1_set2		= EXYNOS4_GPX0(6),
+	.buck2_voltage1		= 1200000,	/* G3D */
+	.buck2_voltage2		= 1100000,
+	.buck1_default_idx	= 0,
+	.buck2_set3		= EXYNOS4_GPE2(0),
+	.buck2_default_idx	= 0,
+	.wakeup			= true,
+};
+
+/* GPIO I2C 5 (PMIC) */
+static struct i2c_board_info i2c5_devs[] __initdata = {
+	{
+		I2C_BOARD_INFO("max8952", 0xC0 >> 1),
+		.platform_data	= &universal_max8952_pdata,
+	}, {
+		I2C_BOARD_INFO("lp3974", 0xCC >> 1),
+		.platform_data	= &universal_lp3974_pdata,
+	},
+};
+
+/* GPIO KEYS */
+static struct gpio_keys_button universal_gpio_keys_tables[] = {
+	{
+		.code			= KEY_VOLUMEUP,
+		.gpio			= EXYNOS4_GPX2(0),	/* XEINT16 */
+		.desc			= "gpio-keys: KEY_VOLUMEUP",
+		.type			= EV_KEY,
+		.active_low		= 1,
+		.debounce_interval	= 1,
+	}, {
+		.code			= KEY_VOLUMEDOWN,
+		.gpio			= EXYNOS4_GPX2(1),	/* XEINT17 */
+		.desc			= "gpio-keys: KEY_VOLUMEDOWN",
+		.type			= EV_KEY,
+		.active_low		= 1,
+		.debounce_interval	= 1,
+	}, {
+		.code			= KEY_CONFIG,
+		.gpio			= EXYNOS4_GPX2(2),	/* XEINT18 */
+		.desc			= "gpio-keys: KEY_CONFIG",
+		.type			= EV_KEY,
+		.active_low		= 1,
+		.debounce_interval	= 1,
+	}, {
+		.code			= KEY_CAMERA,
+		.gpio			= EXYNOS4_GPX2(3),	/* XEINT19 */
+		.desc			= "gpio-keys: KEY_CAMERA",
+		.type			= EV_KEY,
+		.active_low		= 1,
+		.debounce_interval	= 1,
+	}, {
+		.code			= KEY_OK,
+		.gpio			= EXYNOS4_GPX3(5),	/* XEINT29 */
+		.desc			= "gpio-keys: KEY_OK",
+		.type			= EV_KEY,
+		.active_low		= 1,
+		.debounce_interval	= 1,
+	},
+};
+
+static struct gpio_keys_platform_data universal_gpio_keys_data = {
+	.buttons	= universal_gpio_keys_tables,
+	.nbuttons	= ARRAY_SIZE(universal_gpio_keys_tables),
+};
+
+static struct platform_device universal_gpio_keys = {
+	.name			= "gpio-keys",
+	.dev			= {
+		.platform_data	= &universal_gpio_keys_data,
+	},
+};
+
+/* eMMC */
+static struct s3c_sdhci_platdata universal_hsmmc0_data __initdata = {
+	.max_width		= 8,
+	.host_caps		= (MMC_CAP_8_BIT_DATA | MMC_CAP_4_BIT_DATA |
+				MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED |
+				MMC_CAP_DISABLE),
+	.cd_type		= S3C_SDHCI_CD_PERMANENT,
+	.clk_type		= S3C_SDHCI_CLK_DIV_EXTERNAL,
+};
+
+static struct regulator_consumer_supply mmc0_supplies[] = {
+	REGULATOR_SUPPLY("vmmc", "s3c-sdhci.0"),
+};
+
+static struct regulator_init_data mmc0_fixed_voltage_init_data = {
+	.constraints		= {
+		.name		= "VMEM_VDD_2.8V",
+		.valid_ops_mask	= REGULATOR_CHANGE_STATUS,
+	},
+	.num_consumer_supplies	= ARRAY_SIZE(mmc0_supplies),
+	.consumer_supplies	= mmc0_supplies,
+};
+
+static struct fixed_voltage_config mmc0_fixed_voltage_config = {
+	.supply_name		= "MASSMEMORY_EN",
+	.microvolts		= 2800000,
+	.gpio			= EXYNOS4_GPE1(3),
+	.enable_high		= true,
+	.init_data		= &mmc0_fixed_voltage_init_data,
+};
+
+static struct platform_device mmc0_fixed_voltage = {
+	.name			= "reg-fixed-voltage",
+	.id			= 0,
+	.dev			= {
+		.platform_data	= &mmc0_fixed_voltage_config,
+	},
+};
+
+/* SD */
+static struct s3c_sdhci_platdata universal_hsmmc2_data __initdata = {
+	.max_width		= 4,
+	.host_caps		= MMC_CAP_4_BIT_DATA |
+				MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED |
+				MMC_CAP_DISABLE,
+	.ext_cd_gpio		= EXYNOS4_GPX3(4),      /* XEINT_28 */
+	.ext_cd_gpio_invert	= 1,
+	.cd_type		= S3C_SDHCI_CD_GPIO,
+	.clk_type		= S3C_SDHCI_CLK_DIV_EXTERNAL,
+};
+
+/* WiFi */
+static struct s3c_sdhci_platdata universal_hsmmc3_data __initdata = {
+	.max_width		= 4,
+	.host_caps		= MMC_CAP_4_BIT_DATA |
+				MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED |
+				MMC_CAP_DISABLE,
+	.cd_type		= S3C_SDHCI_CD_EXTERNAL,
+};
+
+static void __init universal_sdhci_init(void)
+{
+	s3c_sdhci0_set_platdata(&universal_hsmmc0_data);
+	s3c_sdhci2_set_platdata(&universal_hsmmc2_data);
+	s3c_sdhci3_set_platdata(&universal_hsmmc3_data);
+}
+
+/* I2C0 */
+static struct i2c_board_info i2c0_devs[] __initdata = {
+	/* Camera, To be updated */
+};
+
+/* I2C1 */
+static struct i2c_board_info i2c1_devs[] __initdata = {
+	/* Gyro, To be updated */
+};
+
+static struct platform_device *universal_devices[] __initdata = {
+	/* Samsung Platform Devices */
+	&mmc0_fixed_voltage,
+	&s3c_device_hsmmc0,
+	&s3c_device_hsmmc2,
+	&s3c_device_hsmmc3,
+	&s3c_device_i2c5,
+
+	/* Universal Devices */
+	&universal_gpio_keys,
+	&s5p_device_onenand,
+};
+
+static void __init universal_map_io(void)
+{
+	s5p_init_io(NULL, 0, S5P_VA_CHIPID);
+	s3c24xx_init_clocks(24000000);
+	s3c24xx_init_uarts(universal_uartcfgs, ARRAY_SIZE(universal_uartcfgs));
+}
+
+static void __init universal_machine_init(void)
+{
+	universal_sdhci_init();
+
+	i2c_register_board_info(0, i2c0_devs, ARRAY_SIZE(i2c0_devs));
+	i2c_register_board_info(1, i2c1_devs, ARRAY_SIZE(i2c1_devs));
+
+	s3c_i2c5_set_platdata(NULL);
+	i2c_register_board_info(5, i2c5_devs, ARRAY_SIZE(i2c5_devs));
+
+	/* Last */
+	platform_add_devices(universal_devices, ARRAY_SIZE(universal_devices));
+}
+
+MACHINE_START(UNIVERSAL_C210, "UNIVERSAL_C210")
+	/* Maintainer: Kyungmin Park <kyungmin.park@samsung.com> */
+	.boot_params	= S5P_PA_SDRAM + 0x100,
+	.init_irq	= exynos4_init_irq,
+	.map_io		= universal_map_io,
+	.init_machine	= universal_machine_init,
+	.timer		= &exynos4_timer,
+MACHINE_END
diff --git a/arch/arm/mach-exynos4/mct.c b/arch/arm/mach-exynos4/mct.c
new file mode 100644
index 000000000000..af82a8fbb68b
--- /dev/null
+++ b/arch/arm/mach-exynos4/mct.c
@@ -0,0 +1,421 @@
+/* linux/arch/arm/mach-exynos4/mct.c
+ *
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
+ *
+ * EXYNOS4 MCT(Multi-Core Timer) 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.
+*/
+
+#include <linux/sched.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/err.h>
+#include <linux/clk.h>
+#include <linux/clockchips.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/percpu.h>
+
+#include <mach/map.h>
+#include <mach/regs-mct.h>
+#include <asm/mach/time.h>
+
+static unsigned long clk_cnt_per_tick;
+static unsigned long clk_rate;
+
+struct mct_clock_event_device {
+	struct clock_event_device *evt;
+	void __iomem *base;
+};
+
+struct mct_clock_event_device mct_tick[2];
+
+static void exynos4_mct_write(unsigned int value, void *addr)
+{
+	void __iomem *stat_addr;
+	u32 mask;
+	u32 i;
+
+	__raw_writel(value, addr);
+
+	switch ((u32) addr) {
+	case (u32) EXYNOS4_MCT_G_TCON:
+		stat_addr = EXYNOS4_MCT_G_WSTAT;
+		mask = 1 << 16;		/* G_TCON write status */
+		break;
+	case (u32) EXYNOS4_MCT_G_COMP0_L:
+		stat_addr = EXYNOS4_MCT_G_WSTAT;
+		mask = 1 << 0;		/* G_COMP0_L write status */
+		break;
+	case (u32) EXYNOS4_MCT_G_COMP0_U:
+		stat_addr = EXYNOS4_MCT_G_WSTAT;
+		mask = 1 << 1;		/* G_COMP0_U write status */
+		break;
+	case (u32) EXYNOS4_MCT_G_COMP0_ADD_INCR:
+		stat_addr = EXYNOS4_MCT_G_WSTAT;
+		mask = 1 << 2;		/* G_COMP0_ADD_INCR write status */
+		break;
+	case (u32) EXYNOS4_MCT_G_CNT_L:
+		stat_addr = EXYNOS4_MCT_G_CNT_WSTAT;
+		mask = 1 << 0;		/* G_CNT_L write status */
+		break;
+	case (u32) EXYNOS4_MCT_G_CNT_U:
+		stat_addr = EXYNOS4_MCT_G_CNT_WSTAT;
+		mask = 1 << 1;		/* G_CNT_U write status */
+		break;
+	case (u32)(EXYNOS4_MCT_L0_BASE + MCT_L_TCON_OFFSET):
+		stat_addr = EXYNOS4_MCT_L0_BASE + MCT_L_WSTAT_OFFSET;
+		mask = 1 << 3;		/* L0_TCON write status */
+		break;
+	case (u32)(EXYNOS4_MCT_L1_BASE + MCT_L_TCON_OFFSET):
+		stat_addr = EXYNOS4_MCT_L1_BASE + MCT_L_WSTAT_OFFSET;
+		mask = 1 << 3;		/* L1_TCON write status */
+		break;
+	case (u32)(EXYNOS4_MCT_L0_BASE + MCT_L_TCNTB_OFFSET):
+		stat_addr = EXYNOS4_MCT_L0_BASE + MCT_L_WSTAT_OFFSET;
+		mask = 1 << 0;		/* L0_TCNTB write status */
+		break;
+	case (u32)(EXYNOS4_MCT_L1_BASE + MCT_L_TCNTB_OFFSET):
+		stat_addr = EXYNOS4_MCT_L1_BASE + MCT_L_WSTAT_OFFSET;
+		mask = 1 << 0;		/* L1_TCNTB write status */
+		break;
+	case (u32)(EXYNOS4_MCT_L0_BASE + MCT_L_ICNTB_OFFSET):
+		stat_addr = EXYNOS4_MCT_L0_BASE + MCT_L_WSTAT_OFFSET;
+		mask = 1 << 1;		/* L0_ICNTB write status */
+		break;
+	case (u32)(EXYNOS4_MCT_L1_BASE + MCT_L_ICNTB_OFFSET):
+		stat_addr = EXYNOS4_MCT_L1_BASE + MCT_L_WSTAT_OFFSET;
+		mask = 1 << 1;		/* L1_ICNTB write status */
+		break;
+	default:
+		return;
+	}
+
+	/* Wait maximum 1 ms until written values are applied */
+	for (i = 0; i < loops_per_jiffy / 1000 * HZ; i++)
+		if (__raw_readl(stat_addr) & mask) {
+			__raw_writel(mask, stat_addr);
+			return;
+		}
+
+	panic("MCT hangs after writing %d (addr:0x%08x)\n", value, (u32)addr);
+}
+
+/* Clocksource handling */
+static void exynos4_mct_frc_start(u32 hi, u32 lo)
+{
+	u32 reg;
+
+	exynos4_mct_write(lo, EXYNOS4_MCT_G_CNT_L);
+	exynos4_mct_write(hi, EXYNOS4_MCT_G_CNT_U);
+
+	reg = __raw_readl(EXYNOS4_MCT_G_TCON);
+	reg |= MCT_G_TCON_START;
+	exynos4_mct_write(reg, EXYNOS4_MCT_G_TCON);
+}
+
+static cycle_t exynos4_frc_read(struct clocksource *cs)
+{
+	unsigned int lo, hi;
+	u32 hi2 = __raw_readl(EXYNOS4_MCT_G_CNT_U);
+
+	do {
+		hi = hi2;
+		lo = __raw_readl(EXYNOS4_MCT_G_CNT_L);
+		hi2 = __raw_readl(EXYNOS4_MCT_G_CNT_U);
+	} while (hi != hi2);
+
+	return ((cycle_t)hi << 32) | lo;
+}
+
+struct clocksource mct_frc = {
+	.name		= "mct-frc",
+	.rating		= 400,
+	.read		= exynos4_frc_read,
+	.mask		= CLOCKSOURCE_MASK(64),
+	.flags		= CLOCK_SOURCE_IS_CONTINUOUS,
+};
+
+static void __init exynos4_clocksource_init(void)
+{
+	exynos4_mct_frc_start(0, 0);
+
+	if (clocksource_register_hz(&mct_frc, clk_rate))
+		panic("%s: can't register clocksource\n", mct_frc.name);
+}
+
+static void exynos4_mct_comp0_stop(void)
+{
+	unsigned int tcon;
+
+	tcon = __raw_readl(EXYNOS4_MCT_G_TCON);
+	tcon &= ~(MCT_G_TCON_COMP0_ENABLE | MCT_G_TCON_COMP0_AUTO_INC);
+
+	exynos4_mct_write(tcon, EXYNOS4_MCT_G_TCON);
+	exynos4_mct_write(0, EXYNOS4_MCT_G_INT_ENB);
+}
+
+static void exynos4_mct_comp0_start(enum clock_event_mode mode,
+				    unsigned long cycles)
+{
+	unsigned int tcon;
+	cycle_t comp_cycle;
+
+	tcon = __raw_readl(EXYNOS4_MCT_G_TCON);
+
+	if (mode == CLOCK_EVT_MODE_PERIODIC) {
+		tcon |= MCT_G_TCON_COMP0_AUTO_INC;
+		exynos4_mct_write(cycles, EXYNOS4_MCT_G_COMP0_ADD_INCR);
+	}
+
+	comp_cycle = exynos4_frc_read(&mct_frc) + cycles;
+	exynos4_mct_write((u32)comp_cycle, EXYNOS4_MCT_G_COMP0_L);
+	exynos4_mct_write((u32)(comp_cycle >> 32), EXYNOS4_MCT_G_COMP0_U);
+
+	exynos4_mct_write(0x1, EXYNOS4_MCT_G_INT_ENB);
+
+	tcon |= MCT_G_TCON_COMP0_ENABLE;
+	exynos4_mct_write(tcon , EXYNOS4_MCT_G_TCON);
+}
+
+static int exynos4_comp_set_next_event(unsigned long cycles,
+				       struct clock_event_device *evt)
+{
+	exynos4_mct_comp0_start(evt->mode, cycles);
+
+	return 0;
+}
+
+static void exynos4_comp_set_mode(enum clock_event_mode mode,
+				  struct clock_event_device *evt)
+{
+	exynos4_mct_comp0_stop();
+
+	switch (mode) {
+	case CLOCK_EVT_MODE_PERIODIC:
+		exynos4_mct_comp0_start(mode, clk_cnt_per_tick);
+		break;
+
+	case CLOCK_EVT_MODE_ONESHOT:
+	case CLOCK_EVT_MODE_UNUSED:
+	case CLOCK_EVT_MODE_SHUTDOWN:
+	case CLOCK_EVT_MODE_RESUME:
+		break;
+	}
+}
+
+static struct clock_event_device mct_comp_device = {
+	.name		= "mct-comp",
+	.features       = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
+	.rating		= 250,
+	.set_next_event	= exynos4_comp_set_next_event,
+	.set_mode	= exynos4_comp_set_mode,
+};
+
+static irqreturn_t exynos4_mct_comp_isr(int irq, void *dev_id)
+{
+	struct clock_event_device *evt = dev_id;
+
+	exynos4_mct_write(0x1, EXYNOS4_MCT_G_INT_CSTAT);
+
+	evt->event_handler(evt);
+
+	return IRQ_HANDLED;
+}
+
+static struct irqaction mct_comp_event_irq = {
+	.name		= "mct_comp_irq",
+	.flags		= IRQF_TIMER | IRQF_IRQPOLL,
+	.handler	= exynos4_mct_comp_isr,
+	.dev_id		= &mct_comp_device,
+};
+
+static void exynos4_clockevent_init(void)
+{
+	clk_cnt_per_tick = clk_rate / 2	/ HZ;
+
+	clockevents_calc_mult_shift(&mct_comp_device, clk_rate / 2, 5);
+	mct_comp_device.max_delta_ns =
+		clockevent_delta2ns(0xffffffff, &mct_comp_device);
+	mct_comp_device.min_delta_ns =
+		clockevent_delta2ns(0xf, &mct_comp_device);
+	mct_comp_device.cpumask = cpumask_of(0);
+	clockevents_register_device(&mct_comp_device);
+
+	setup_irq(IRQ_MCT_G0, &mct_comp_event_irq);
+}
+
+#ifdef CONFIG_LOCAL_TIMERS
+/* Clock event handling */
+static void exynos4_mct_tick_stop(struct mct_clock_event_device *mevt)
+{
+	unsigned long tmp;
+	unsigned long mask = MCT_L_TCON_INT_START | MCT_L_TCON_TIMER_START;
+	void __iomem *addr = mevt->base + MCT_L_TCON_OFFSET;
+
+	tmp = __raw_readl(addr);
+	if (tmp & mask) {
+		tmp &= ~mask;
+		exynos4_mct_write(tmp, addr);
+	}
+}
+
+static void exynos4_mct_tick_start(unsigned long cycles,
+				   struct mct_clock_event_device *mevt)
+{
+	unsigned long tmp;
+
+	exynos4_mct_tick_stop(mevt);
+
+	tmp = (1 << 31) | cycles;	/* MCT_L_UPDATE_ICNTB */
+
+	/* update interrupt count buffer */
+	exynos4_mct_write(tmp, mevt->base + MCT_L_ICNTB_OFFSET);
+
+	/* enable MCT tick interupt */
+	exynos4_mct_write(0x1, mevt->base + MCT_L_INT_ENB_OFFSET);
+
+	tmp = __raw_readl(mevt->base + MCT_L_TCON_OFFSET);
+	tmp |= MCT_L_TCON_INT_START | MCT_L_TCON_TIMER_START |
+	       MCT_L_TCON_INTERVAL_MODE;
+	exynos4_mct_write(tmp, mevt->base + MCT_L_TCON_OFFSET);
+}
+
+static int exynos4_tick_set_next_event(unsigned long cycles,
+				       struct clock_event_device *evt)
+{
+	struct mct_clock_event_device *mevt = &mct_tick[smp_processor_id()];
+
+	exynos4_mct_tick_start(cycles, mevt);
+
+	return 0;
+}
+
+static inline void exynos4_tick_set_mode(enum clock_event_mode mode,
+					 struct clock_event_device *evt)
+{
+	struct mct_clock_event_device *mevt = &mct_tick[smp_processor_id()];
+
+	exynos4_mct_tick_stop(mevt);
+
+	switch (mode) {
+	case CLOCK_EVT_MODE_PERIODIC:
+		exynos4_mct_tick_start(clk_cnt_per_tick, mevt);
+		break;
+
+	case CLOCK_EVT_MODE_ONESHOT:
+	case CLOCK_EVT_MODE_UNUSED:
+	case CLOCK_EVT_MODE_SHUTDOWN:
+	case CLOCK_EVT_MODE_RESUME:
+		break;
+	}
+}
+
+static irqreturn_t exynos4_mct_tick_isr(int irq, void *dev_id)
+{
+	struct mct_clock_event_device *mevt = dev_id;
+	struct clock_event_device *evt = mevt->evt;
+
+	/*
+	 * This is for supporting oneshot mode.
+	 * Mct would generate interrupt periodically
+	 * without explicit stopping.
+	 */
+	if (evt->mode != CLOCK_EVT_MODE_PERIODIC)
+		exynos4_mct_tick_stop(mevt);
+
+	/* Clear the MCT tick interrupt */
+	exynos4_mct_write(0x1, mevt->base + MCT_L_INT_CSTAT_OFFSET);
+
+	evt->event_handler(evt);
+
+	return IRQ_HANDLED;
+}
+
+static struct irqaction mct_tick0_event_irq = {
+	.name		= "mct_tick0_irq",
+	.flags		= IRQF_TIMER | IRQF_NOBALANCING,
+	.handler	= exynos4_mct_tick_isr,
+};
+
+static struct irqaction mct_tick1_event_irq = {
+	.name		= "mct_tick1_irq",
+	.flags		= IRQF_TIMER | IRQF_NOBALANCING,
+	.handler	= exynos4_mct_tick_isr,
+};
+
+static void exynos4_mct_tick_init(struct clock_event_device *evt)
+{
+	unsigned int cpu = smp_processor_id();
+
+	mct_tick[cpu].evt = evt;
+
+	if (cpu == 0) {
+		mct_tick[cpu].base = EXYNOS4_MCT_L0_BASE;
+		evt->name = "mct_tick0";
+	} else {
+		mct_tick[cpu].base = EXYNOS4_MCT_L1_BASE;
+		evt->name = "mct_tick1";
+	}
+
+	evt->cpumask = cpumask_of(cpu);
+	evt->set_next_event = exynos4_tick_set_next_event;
+	evt->set_mode = exynos4_tick_set_mode;
+	evt->features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT;
+	evt->rating = 450;
+
+	clockevents_calc_mult_shift(evt, clk_rate / 2, 5);
+	evt->max_delta_ns =
+		clockevent_delta2ns(0x7fffffff, evt);
+	evt->min_delta_ns =
+		clockevent_delta2ns(0xf, evt);
+
+	clockevents_register_device(evt);
+
+	exynos4_mct_write(0x1, mct_tick[cpu].base + MCT_L_TCNTB_OFFSET);
+
+	if (cpu == 0) {
+		mct_tick0_event_irq.dev_id = &mct_tick[cpu];
+		setup_irq(IRQ_MCT_L0, &mct_tick0_event_irq);
+	} else {
+		mct_tick1_event_irq.dev_id = &mct_tick[cpu];
+		irq_set_affinity(IRQ_MCT1, cpumask_of(1));
+		setup_irq(IRQ_MCT_L1, &mct_tick1_event_irq);
+	}
+}
+
+/* Setup the local clock events for a CPU */
+void __cpuinit local_timer_setup(struct clock_event_device *evt)
+{
+	exynos4_mct_tick_init(evt);
+}
+
+int local_timer_ack(void)
+{
+	return 0;
+}
+
+#endif /* CONFIG_LOCAL_TIMERS */
+
+static void __init exynos4_timer_resources(void)
+{
+	struct clk *mct_clk;
+	mct_clk = clk_get(NULL, "xtal");
+
+	clk_rate = clk_get_rate(mct_clk);
+}
+
+static void __init exynos4_timer_init(void)
+{
+	exynos4_timer_resources();
+	exynos4_clocksource_init();
+	exynos4_clockevent_init();
+}
+
+struct sys_timer exynos4_timer = {
+	.init		= exynos4_timer_init,
+};
diff --git a/arch/arm/mach-s5pv310/platsmp.c b/arch/arm/mach-exynos4/platsmp.c
index 34093b069f67..6d35878ec1aa 100644
--- a/arch/arm/mach-s5pv310/platsmp.c
+++ b/arch/arm/mach-exynos4/platsmp.c
@@ -1,7 +1,7 @@
-/* linux/arch/arm/mach-s5pv310/platsmp.c
+/* linux/arch/arm/mach-exynos4/platsmp.c
  *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com/
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
  *
  * Cloned from linux/arch/arm/mach-vexpress/platsmp.c
  *
@@ -28,7 +28,7 @@
 #include <mach/hardware.h>
 #include <mach/regs-clock.h>
 
-extern void s5pv310_secondary_startup(void);
+extern void exynos4_secondary_startup(void);
 
 /*
  * control for which core is the next to come out of the secondary
@@ -139,7 +139,7 @@ void __init smp_init_cpus(void)
 	/* sanity check */
 	if (ncores > NR_CPUS) {
 		printk(KERN_WARNING
-		       "S5PV310: no. of cores (%d) greater than configured "
+		       "EXYNOS4: no. of cores (%d) greater than configured "
 		       "maximum of %d - clipping\n",
 		       ncores, NR_CPUS);
 		ncores = NR_CPUS;
@@ -168,5 +168,5 @@ void __init platform_smp_prepare_cpus(unsigned int max_cpus)
 	 * until it receives a soft interrupt, and then the
 	 * secondary CPU branches to this address.
 	 */
-	__raw_writel(BSYM(virt_to_phys(s5pv310_secondary_startup)), S5P_VA_SYSRAM);
+	__raw_writel(BSYM(virt_to_phys(exynos4_secondary_startup)), S5P_VA_SYSRAM);
 }
diff --git a/arch/arm/mach-s5pv310/setup-i2c0.c b/arch/arm/mach-exynos4/setup-i2c0.c
index f47f8f3152ec..d395bd17c38b 100644
--- a/arch/arm/mach-s5pv310/setup-i2c0.c
+++ b/arch/arm/mach-exynos4/setup-i2c0.c
@@ -1,5 +1,5 @@
 /*
- * linux/arch/arm/mach-s5pv310/setup-i2c0.c
+ * linux/arch/arm/mach-exynos4/setup-i2c0.c
  *
  * Copyright (c) 2009-2010 Samsung Electronics Co., Ltd.
  *		http://www.samsung.com/
@@ -21,6 +21,6 @@ struct platform_device; /* don't need the contents */
 
 void s3c_i2c0_cfg_gpio(struct platform_device *dev)
 {
-	s3c_gpio_cfgall_range(S5PV310_GPD1(0), 2,
+	s3c_gpio_cfgall_range(EXYNOS4_GPD1(0), 2,
 			      S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP);
 }
diff --git a/arch/arm/mach-s5pv310/setup-i2c1.c b/arch/arm/mach-exynos4/setup-i2c1.c
index 9d07e4e2f14c..fd7235a43f6e 100644
--- a/arch/arm/mach-s5pv310/setup-i2c1.c
+++ b/arch/arm/mach-exynos4/setup-i2c1.c
@@ -1,5 +1,5 @@
 /*
- * linux/arch/arm/mach-s5pv310/setup-i2c1.c
+ * linux/arch/arm/mach-exynos4/setup-i2c1.c
  *
  * Copyright (C) 2010 Samsung Electronics Co., Ltd.
  *
@@ -18,6 +18,6 @@ struct platform_device; /* don't need the contents */
 
 void s3c_i2c1_cfg_gpio(struct platform_device *dev)
 {
-	s3c_gpio_cfgall_range(S5PV310_GPD1(2), 2,
+	s3c_gpio_cfgall_range(EXYNOS4_GPD1(2), 2,
 			      S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP);
 }
diff --git a/arch/arm/mach-s5pv310/setup-i2c2.c b/arch/arm/mach-exynos4/setup-i2c2.c
index 4163b1233daf..2694b19e8b37 100644
--- a/arch/arm/mach-s5pv310/setup-i2c2.c
+++ b/arch/arm/mach-exynos4/setup-i2c2.c
@@ -1,5 +1,5 @@
 /*
- * linux/arch/arm/mach-s5pv310/setup-i2c2.c
+ * linux/arch/arm/mach-exynos4/setup-i2c2.c
  *
  * Copyright (c) 2009-2010 Samsung Electronics Co., Ltd.
  *
@@ -18,6 +18,6 @@ struct platform_device; /* don't need the contents */
 
 void s3c_i2c2_cfg_gpio(struct platform_device *dev)
 {
-	s3c_gpio_cfgall_range(S5PV310_GPA0(6), 2,
+	s3c_gpio_cfgall_range(EXYNOS4_GPA0(6), 2,
 			      S3C_GPIO_SFN(3), S3C_GPIO_PULL_UP);
 }
diff --git a/arch/arm/mach-s5pv310/setup-i2c3.c b/arch/arm/mach-exynos4/setup-i2c3.c
index 180f153d2a20..379bd306993f 100644
--- a/arch/arm/mach-s5pv310/setup-i2c3.c
+++ b/arch/arm/mach-exynos4/setup-i2c3.c
@@ -1,5 +1,5 @@
 /*
- * linux/arch/arm/mach-s5pv310/setup-i2c3.c
+ * linux/arch/arm/mach-exynos4/setup-i2c3.c
  *
  * Copyright (c) 2010 Samsung Electronics Co., Ltd.
  *
@@ -18,6 +18,6 @@ struct platform_device; /* don't need the contents */
 
 void s3c_i2c3_cfg_gpio(struct platform_device *dev)
 {
-	s3c_gpio_cfgall_range(S5PV310_GPA1(2), 2,
+	s3c_gpio_cfgall_range(EXYNOS4_GPA1(2), 2,
 			      S3C_GPIO_SFN(3), S3C_GPIO_PULL_UP);
 }
diff --git a/arch/arm/mach-s5pv310/setup-i2c4.c b/arch/arm/mach-exynos4/setup-i2c4.c
index 909e8dfc5316..9f3c04855b76 100644
--- a/arch/arm/mach-s5pv310/setup-i2c4.c
+++ b/arch/arm/mach-exynos4/setup-i2c4.c
@@ -1,5 +1,5 @@
 /*
- * linux/arch/arm/mach-s5pv310/setup-i2c4.c
+ * linux/arch/arm/mach-exynos4/setup-i2c4.c
  *
  * Copyright (c) 2010 Samsung Electronics Co., Ltd.
  *
@@ -18,6 +18,6 @@ struct platform_device; /* don't need the contents */
 
 void s3c_i2c4_cfg_gpio(struct platform_device *dev)
 {
-	s3c_gpio_cfgall_range(S5PV310_GPB(2), 2,
+	s3c_gpio_cfgall_range(EXYNOS4_GPB(2), 2,
 			      S3C_GPIO_SFN(3), S3C_GPIO_PULL_UP);
 }
diff --git a/arch/arm/mach-s5pv310/setup-i2c5.c b/arch/arm/mach-exynos4/setup-i2c5.c
index 5d0fa4ac0283..77e1a1e57c76 100644
--- a/arch/arm/mach-s5pv310/setup-i2c5.c
+++ b/arch/arm/mach-exynos4/setup-i2c5.c
@@ -1,5 +1,5 @@
 /*
- * linux/arch/arm/mach-s5pv310/setup-i2c5.c
+ * linux/arch/arm/mach-exynos4/setup-i2c5.c
  *
  * Copyright (c) 2010 Samsung Electronics Co., Ltd.
  *
@@ -18,6 +18,6 @@ struct platform_device; /* don't need the contents */
 
 void s3c_i2c5_cfg_gpio(struct platform_device *dev)
 {
-	s3c_gpio_cfgall_range(S5PV310_GPB(6), 2,
+	s3c_gpio_cfgall_range(EXYNOS4_GPB(6), 2,
 			      S3C_GPIO_SFN(3), S3C_GPIO_PULL_UP);
 }
diff --git a/arch/arm/mach-s5pv310/setup-i2c6.c b/arch/arm/mach-exynos4/setup-i2c6.c
index 34aafab92ac4..284d12b7af0e 100644
--- a/arch/arm/mach-s5pv310/setup-i2c6.c
+++ b/arch/arm/mach-exynos4/setup-i2c6.c
@@ -1,5 +1,5 @@
 /*
- * linux/arch/arm/mach-s5pv310/setup-i2c6.c
+ * linux/arch/arm/mach-exynos4/setup-i2c6.c
  *
  * Copyright (c) 2010 Samsung Electronics Co., Ltd.
  *
@@ -18,6 +18,6 @@ struct platform_device; /* don't need the contents */
 
 void s3c_i2c6_cfg_gpio(struct platform_device *dev)
 {
-	s3c_gpio_cfgall_range(S5PV310_GPC1(3), 2,
+	s3c_gpio_cfgall_range(EXYNOS4_GPC1(3), 2,
 			      S3C_GPIO_SFN(4), S3C_GPIO_PULL_UP);
 }
diff --git a/arch/arm/mach-s5pv310/setup-i2c7.c b/arch/arm/mach-exynos4/setup-i2c7.c
index 9b25b8d18920..b7611ee359a2 100644
--- a/arch/arm/mach-s5pv310/setup-i2c7.c
+++ b/arch/arm/mach-exynos4/setup-i2c7.c
@@ -1,5 +1,5 @@
 /*
- * linux/arch/arm/mach-s5pv310/setup-i2c7.c
+ * linux/arch/arm/mach-exynos4/setup-i2c7.c
  *
  * Copyright (c) 2010 Samsung Electronics Co., Ltd.
  *
@@ -18,6 +18,6 @@ struct platform_device; /* don't need the contents */
 
 void s3c_i2c7_cfg_gpio(struct platform_device *dev)
 {
-	s3c_gpio_cfgall_range(S5PV310_GPD0(2), 2,
+	s3c_gpio_cfgall_range(EXYNOS4_GPD0(2), 2,
 			      S3C_GPIO_SFN(3), S3C_GPIO_PULL_UP);
 }
diff --git a/arch/arm/mach-s5pv310/setup-sdhci-gpio.c b/arch/arm/mach-exynos4/setup-sdhci-gpio.c
index 86d38cc49135..1b3d3a2de95c 100644
--- a/arch/arm/mach-s5pv310/setup-sdhci-gpio.c
+++ b/arch/arm/mach-exynos4/setup-sdhci-gpio.c
@@ -1,9 +1,9 @@
-/* linux/arch/arm/mach-s5pv310/setup-sdhci-gpio.c
+/* linux/arch/arm/mach-exynos4/setup-sdhci-gpio.c
  *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com/
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
  *
- * S5PV310 - Helper functions for setting up SDHCI device(s) GPIO (HSMMC)
+ * EXYNOS4 - Helper functions for setting up SDHCI device(s) GPIO (HSMMC)
  *
  * 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
@@ -23,13 +23,13 @@
 #include <plat/regs-sdhci.h>
 #include <plat/sdhci.h>
 
-void s5pv310_setup_sdhci0_cfg_gpio(struct platform_device *dev, int width)
+void exynos4_setup_sdhci0_cfg_gpio(struct platform_device *dev, int width)
 {
 	struct s3c_sdhci_platdata *pdata = dev->dev.platform_data;
 	unsigned int gpio;
 
 	/* Set all the necessary GPK0[0:1] pins to special-function 2 */
-	for (gpio = S5PV310_GPK0(0); gpio < S5PV310_GPK0(2); gpio++) {
+	for (gpio = EXYNOS4_GPK0(0); gpio < EXYNOS4_GPK0(2); gpio++) {
 		s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
 		s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
 		s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4);
@@ -37,14 +37,14 @@ void s5pv310_setup_sdhci0_cfg_gpio(struct platform_device *dev, int width)
 
 	switch (width) {
 	case 8:
-		for (gpio = S5PV310_GPK1(3); gpio <= S5PV310_GPK1(6); gpio++) {
+		for (gpio = EXYNOS4_GPK1(3); gpio <= EXYNOS4_GPK1(6); gpio++) {
 			/* Data pin GPK1[3:6] to special-funtion 3 */
 			s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(3));
 			s3c_gpio_setpull(gpio, S3C_GPIO_PULL_UP);
 			s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4);
 		}
 	case 4:
-		for (gpio = S5PV310_GPK0(3); gpio <= S5PV310_GPK0(6); gpio++) {
+		for (gpio = EXYNOS4_GPK0(3); gpio <= EXYNOS4_GPK0(6); gpio++) {
 			/* Data pin GPK0[3:6] to special-funtion 2 */
 			s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
 			s3c_gpio_setpull(gpio, S3C_GPIO_PULL_UP);
@@ -55,25 +55,25 @@ void s5pv310_setup_sdhci0_cfg_gpio(struct platform_device *dev, int width)
 	}
 
 	if (pdata->cd_type == S3C_SDHCI_CD_INTERNAL) {
-		s3c_gpio_cfgpin(S5PV310_GPK0(2), S3C_GPIO_SFN(2));
-		s3c_gpio_setpull(S5PV310_GPK0(2), S3C_GPIO_PULL_UP);
+		s3c_gpio_cfgpin(EXYNOS4_GPK0(2), S3C_GPIO_SFN(2));
+		s3c_gpio_setpull(EXYNOS4_GPK0(2), S3C_GPIO_PULL_UP);
 		s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4);
 	}
 }
 
-void s5pv310_setup_sdhci1_cfg_gpio(struct platform_device *dev, int width)
+void exynos4_setup_sdhci1_cfg_gpio(struct platform_device *dev, int width)
 {
 	struct s3c_sdhci_platdata *pdata = dev->dev.platform_data;
 	unsigned int gpio;
 
 	/* Set all the necessary GPK1[0:1] pins to special-function 2 */
-	for (gpio = S5PV310_GPK1(0); gpio < S5PV310_GPK1(2); gpio++) {
+	for (gpio = EXYNOS4_GPK1(0); gpio < EXYNOS4_GPK1(2); gpio++) {
 		s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
 		s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
 		s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4);
 	}
 
-	for (gpio = S5PV310_GPK1(3); gpio <= S5PV310_GPK1(6); gpio++) {
+	for (gpio = EXYNOS4_GPK1(3); gpio <= EXYNOS4_GPK1(6); gpio++) {
 		/* Data pin GPK1[3:6] to special-function 2 */
 		s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
 		s3c_gpio_setpull(gpio, S3C_GPIO_PULL_UP);
@@ -81,19 +81,19 @@ void s5pv310_setup_sdhci1_cfg_gpio(struct platform_device *dev, int width)
 	}
 
 	if (pdata->cd_type == S3C_SDHCI_CD_INTERNAL) {
-		s3c_gpio_cfgpin(S5PV310_GPK1(2), S3C_GPIO_SFN(2));
-		s3c_gpio_setpull(S5PV310_GPK1(2), S3C_GPIO_PULL_UP);
+		s3c_gpio_cfgpin(EXYNOS4_GPK1(2), S3C_GPIO_SFN(2));
+		s3c_gpio_setpull(EXYNOS4_GPK1(2), S3C_GPIO_PULL_UP);
 		s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4);
 	}
 }
 
-void s5pv310_setup_sdhci2_cfg_gpio(struct platform_device *dev, int width)
+void exynos4_setup_sdhci2_cfg_gpio(struct platform_device *dev, int width)
 {
 	struct s3c_sdhci_platdata *pdata = dev->dev.platform_data;
 	unsigned int gpio;
 
 	/* Set all the necessary GPK2[0:1] pins to special-function 2 */
-	for (gpio = S5PV310_GPK2(0); gpio < S5PV310_GPK2(2); gpio++) {
+	for (gpio = EXYNOS4_GPK2(0); gpio < EXYNOS4_GPK2(2); gpio++) {
 		s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
 		s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
 		s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4);
@@ -101,14 +101,14 @@ void s5pv310_setup_sdhci2_cfg_gpio(struct platform_device *dev, int width)
 
 	switch (width) {
 	case 8:
-		for (gpio = S5PV310_GPK3(3); gpio <= S5PV310_GPK3(6); gpio++) {
+		for (gpio = EXYNOS4_GPK3(3); gpio <= EXYNOS4_GPK3(6); gpio++) {
 			/* Data pin GPK3[3:6] to special-function 3 */
 			s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(3));
 			s3c_gpio_setpull(gpio, S3C_GPIO_PULL_UP);
 			s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4);
 		}
 	case 4:
-		for (gpio = S5PV310_GPK2(3); gpio <= S5PV310_GPK2(6); gpio++) {
+		for (gpio = EXYNOS4_GPK2(3); gpio <= EXYNOS4_GPK2(6); gpio++) {
 			/* Data pin GPK2[3:6] to special-function 2 */
 			s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
 			s3c_gpio_setpull(gpio, S3C_GPIO_PULL_UP);
@@ -119,25 +119,25 @@ void s5pv310_setup_sdhci2_cfg_gpio(struct platform_device *dev, int width)
 	}
 
 	if (pdata->cd_type == S3C_SDHCI_CD_INTERNAL) {
-		s3c_gpio_cfgpin(S5PV310_GPK2(2), S3C_GPIO_SFN(2));
-		s3c_gpio_setpull(S5PV310_GPK2(2), S3C_GPIO_PULL_UP);
+		s3c_gpio_cfgpin(EXYNOS4_GPK2(2), S3C_GPIO_SFN(2));
+		s3c_gpio_setpull(EXYNOS4_GPK2(2), S3C_GPIO_PULL_UP);
 		s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4);
 	}
 }
 
-void s5pv310_setup_sdhci3_cfg_gpio(struct platform_device *dev, int width)
+void exynos4_setup_sdhci3_cfg_gpio(struct platform_device *dev, int width)
 {
 	struct s3c_sdhci_platdata *pdata = dev->dev.platform_data;
 	unsigned int gpio;
 
 	/* Set all the necessary GPK3[0:1] pins to special-function 2 */
-	for (gpio = S5PV310_GPK3(0); gpio < S5PV310_GPK3(2); gpio++) {
+	for (gpio = EXYNOS4_GPK3(0); gpio < EXYNOS4_GPK3(2); gpio++) {
 		s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
 		s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
 		s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4);
 	}
 
-	for (gpio = S5PV310_GPK3(3); gpio <= S5PV310_GPK3(6); gpio++) {
+	for (gpio = EXYNOS4_GPK3(3); gpio <= EXYNOS4_GPK3(6); gpio++) {
 		/* Data pin GPK3[3:6] to special-function 2 */
 		s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
 		s3c_gpio_setpull(gpio, S3C_GPIO_PULL_UP);
@@ -145,8 +145,8 @@ void s5pv310_setup_sdhci3_cfg_gpio(struct platform_device *dev, int width)
 	}
 
 	if (pdata->cd_type == S3C_SDHCI_CD_INTERNAL) {
-		s3c_gpio_cfgpin(S5PV310_GPK3(2), S3C_GPIO_SFN(2));
-		s3c_gpio_setpull(S5PV310_GPK3(2), S3C_GPIO_PULL_UP);
+		s3c_gpio_cfgpin(EXYNOS4_GPK3(2), S3C_GPIO_SFN(2));
+		s3c_gpio_setpull(EXYNOS4_GPK3(2), S3C_GPIO_PULL_UP);
 		s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4);
 	}
 }
diff --git a/arch/arm/mach-s5pv310/setup-sdhci.c b/arch/arm/mach-exynos4/setup-sdhci.c
index db8358fc4662..85f9433d4836 100644
--- a/arch/arm/mach-s5pv310/setup-sdhci.c
+++ b/arch/arm/mach-exynos4/setup-sdhci.c
@@ -1,9 +1,9 @@
-/* linux/arch/arm/mach-s5pv310/setup-sdhci.c
+/* linux/arch/arm/mach-exynos4/setup-sdhci.c
  *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com/
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
  *
- * S5PV310 - Helper functions for settign up SDHCI device(s) (HSMMC)
+ * EXYNOS4 - Helper functions for settign up SDHCI device(s) (HSMMC)
  *
  * 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
@@ -23,14 +23,14 @@
 
 /* clock sources for the mmc bus clock, order as for the ctrl2[5..4] */
 
-char *s5pv310_hsmmc_clksrcs[4] = {
+char *exynos4_hsmmc_clksrcs[4] = {
 	[0] = NULL,
 	[1] = NULL,
 	[2] = "sclk_mmc",	/* mmc_bus */
 	[3] = NULL,
 };
 
-void s5pv310_setup_sdhci_cfg_card(struct platform_device *dev, void __iomem *r,
+void exynos4_setup_sdhci_cfg_card(struct platform_device *dev, void __iomem *r,
 				  struct mmc_ios *ios, struct mmc_card *card)
 {
 	u32 ctrl2, ctrl3;
diff --git a/arch/arm/mach-s5pv310/time.c b/arch/arm/mach-exynos4/time.c
index b262d4615331..e30ac7043095 100644
--- a/arch/arm/mach-s5pv310/time.c
+++ b/arch/arm/mach-exynos4/time.c
@@ -1,9 +1,9 @@
-/* linux/arch/arm/mach-s5pv310/time.c
+/* linux/arch/arm/mach-exynos4/time.c
  *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
  *		http://www.samsung.com
  *
- * S5PV310 (and compatible) HRT support
+ * EXYNOS4 (and compatible) HRT support
  * PWM 2/4 is used for this feature
  *
  * This program is free software; you can redistribute it and/or modify
@@ -33,7 +33,7 @@ static struct clk *tdiv2;
 static struct clk *tdiv4;
 static struct clk *timerclk;
 
-static void s5pv310_pwm_stop(unsigned int pwm_id)
+static void exynos4_pwm_stop(unsigned int pwm_id)
 {
 	unsigned long tcon;
 
@@ -52,7 +52,7 @@ static void s5pv310_pwm_stop(unsigned int pwm_id)
 	__raw_writel(tcon, S3C2410_TCON);
 }
 
-static void s5pv310_pwm_init(unsigned int pwm_id, unsigned long tcnt)
+static void exynos4_pwm_init(unsigned int pwm_id, unsigned long tcnt)
 {
 	unsigned long tcon;
 
@@ -86,7 +86,7 @@ static void s5pv310_pwm_init(unsigned int pwm_id, unsigned long tcnt)
 	}
 }
 
-static inline void s5pv310_pwm_start(unsigned int pwm_id, bool periodic)
+static inline void exynos4_pwm_start(unsigned int pwm_id, bool periodic)
 {
 	unsigned long tcon;
 
@@ -117,23 +117,23 @@ static inline void s5pv310_pwm_start(unsigned int pwm_id, bool periodic)
 	__raw_writel(tcon, S3C2410_TCON);
 }
 
-static int s5pv310_pwm_set_next_event(unsigned long cycles,
+static int exynos4_pwm_set_next_event(unsigned long cycles,
 					struct clock_event_device *evt)
 {
-	s5pv310_pwm_init(2, cycles);
-	s5pv310_pwm_start(2, 0);
+	exynos4_pwm_init(2, cycles);
+	exynos4_pwm_start(2, 0);
 	return 0;
 }
 
-static void s5pv310_pwm_set_mode(enum clock_event_mode mode,
+static void exynos4_pwm_set_mode(enum clock_event_mode mode,
 				struct clock_event_device *evt)
 {
-	s5pv310_pwm_stop(2);
+	exynos4_pwm_stop(2);
 
 	switch (mode) {
 	case CLOCK_EVT_MODE_PERIODIC:
-		s5pv310_pwm_init(2, clock_count_per_tick);
-		s5pv310_pwm_start(2, 1);
+		exynos4_pwm_init(2, clock_count_per_tick);
+		exynos4_pwm_start(2, 1);
 		break;
 	case CLOCK_EVT_MODE_ONESHOT:
 		break;
@@ -149,11 +149,11 @@ static struct clock_event_device pwm_event_device = {
 	.features       = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
 	.rating		= 200,
 	.shift		= 32,
-	.set_next_event	= s5pv310_pwm_set_next_event,
-	.set_mode	= s5pv310_pwm_set_mode,
+	.set_next_event	= exynos4_pwm_set_next_event,
+	.set_mode	= exynos4_pwm_set_mode,
 };
 
-irqreturn_t s5pv310_clock_event_isr(int irq, void *dev_id)
+irqreturn_t exynos4_clock_event_isr(int irq, void *dev_id)
 {
 	struct clock_event_device *evt = &pwm_event_device;
 
@@ -162,13 +162,13 @@ irqreturn_t s5pv310_clock_event_isr(int irq, void *dev_id)
 	return IRQ_HANDLED;
 }
 
-static struct irqaction s5pv310_clock_event_irq = {
+static struct irqaction exynos4_clock_event_irq = {
 	.name		= "pwm_timer2_irq",
 	.flags		= IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
-	.handler	= s5pv310_clock_event_isr,
+	.handler	= exynos4_clock_event_isr,
 };
 
-static void __init s5pv310_clockevent_init(void)
+static void __init exynos4_clockevent_init(void)
 {
 	unsigned long pclk;
 	unsigned long clock_rate;
@@ -198,10 +198,10 @@ static void __init s5pv310_clockevent_init(void)
 	pwm_event_device.cpumask = cpumask_of(0);
 	clockevents_register_device(&pwm_event_device);
 
-	setup_irq(IRQ_TIMER2, &s5pv310_clock_event_irq);
+	setup_irq(IRQ_TIMER2, &exynos4_clock_event_irq);
 }
 
-static cycle_t s5pv310_pwm4_read(struct clocksource *cs)
+static cycle_t exynos4_pwm4_read(struct clocksource *cs)
 {
 	return (cycle_t) ~__raw_readl(S3C_TIMERREG(0x40));
 }
@@ -209,12 +209,12 @@ static cycle_t s5pv310_pwm4_read(struct clocksource *cs)
 struct clocksource pwm_clocksource = {
 	.name		= "pwm_timer4",
 	.rating		= 250,
-	.read		= s5pv310_pwm4_read,
+	.read		= exynos4_pwm4_read,
 	.mask		= CLOCKSOURCE_MASK(32),
 	.flags		= CLOCK_SOURCE_IS_CONTINUOUS ,
 };
 
-static void __init s5pv310_clocksource_init(void)
+static void __init exynos4_clocksource_init(void)
 {
 	unsigned long pclk;
 	unsigned long clock_rate;
@@ -226,14 +226,14 @@ static void __init s5pv310_clocksource_init(void)
 
 	clock_rate = clk_get_rate(tin4);
 
-	s5pv310_pwm_init(4, ~0);
-	s5pv310_pwm_start(4, 1);
+	exynos4_pwm_init(4, ~0);
+	exynos4_pwm_start(4, 1);
 
 	if (clocksource_register_hz(&pwm_clocksource, clock_rate))
 		panic("%s: can't register clocksource\n", pwm_clocksource.name);
 }
 
-static void __init s5pv310_timer_resources(void)
+static void __init exynos4_timer_resources(void)
 {
 	struct platform_device tmpdev;
 
@@ -267,17 +267,17 @@ static void __init s5pv310_timer_resources(void)
 	clk_enable(tin4);
 }
 
-static void __init s5pv310_timer_init(void)
+static void __init exynos4_timer_init(void)
 {
 #ifdef CONFIG_LOCAL_TIMERS
 	twd_base = S5P_VA_TWD;
 #endif
 
-	s5pv310_timer_resources();
-	s5pv310_clockevent_init();
-	s5pv310_clocksource_init();
+	exynos4_timer_resources();
+	exynos4_clockevent_init();
+	exynos4_clocksource_init();
 }
 
-struct sys_timer s5pv310_timer = {
-	.init		= s5pv310_timer_init,
+struct sys_timer exynos4_timer = {
+	.init		= exynos4_timer_init,
 };
diff --git a/arch/arm/mach-s5pv310/Kconfig b/arch/arm/mach-s5pv310/Kconfig
deleted file mode 100644
index b2a9acc5185f..000000000000
--- a/arch/arm/mach-s5pv310/Kconfig
+++ /dev/null
@@ -1,151 +0,0 @@
-# arch/arm/mach-s5pv310/Kconfig
-#
-# Copyright (c) 2010 Samsung Electronics Co., Ltd.
-#		http://www.samsung.com/
-#
-# Licensed under GPLv2
-
-# Configuration options for the S5PV310
-
-if ARCH_S5PV310
-
-config CPU_S5PV310
-	bool
-	select S3C_PL330_DMA
-	help
-	  Enable S5PV310 CPU support
-
-config S5PV310_DEV_PD
-	bool
-	help
-	  Compile in platform device definitions for Power Domain
-
-config S5PV310_SETUP_I2C1
-	bool
-	help
-	  Common setup code for i2c bus 1.
-
-config S5PV310_SETUP_I2C2
-	bool
-	help
-	  Common setup code for i2c bus 2.
-
-config S5PV310_SETUP_I2C3
-	bool
-	help
-	  Common setup code for i2c bus 3.
-
-config S5PV310_SETUP_I2C4
-	bool
-	help
-	  Common setup code for i2c bus 4.
-
-config S5PV310_SETUP_I2C5
-	bool
-	help
-	  Common setup code for i2c bus 5.
-
-config S5PV310_SETUP_I2C6
-	bool
-	help
-	  Common setup code for i2c bus 6.
-
-config S5PV310_SETUP_I2C7
-	bool
-	help
-	  Common setup code for i2c bus 7.
-
-config S5PV310_SETUP_SDHCI
-	bool
-	select S5PV310_SETUP_SDHCI_GPIO
-	help
-	  Internal helper functions for S5PV310 based SDHCI systems.
-
-config S5PV310_SETUP_SDHCI_GPIO
-	bool
-	help
-	  Common setup code for SDHCI gpio.
-
-config S5PV310_DEV_SYSMMU
-	bool
-	help
-	  Common setup code for SYSTEM MMU in S5PV310
-
-# machine support
-
-menu "S5PC210 Machines"
-
-config MACH_SMDKC210
-	bool "SMDKC210"
-	select CPU_S5PV310
-	select S3C_DEV_RTC
-	select S3C_DEV_WDT
-	select S3C_DEV_I2C1
-	select S3C_DEV_HSMMC
-	select S3C_DEV_HSMMC1
-	select S3C_DEV_HSMMC2
-	select S3C_DEV_HSMMC3
-	select S5PV310_DEV_PD
-	select S5PV310_SETUP_I2C1
-	select S5PV310_SETUP_SDHCI
-	select S5PV310_DEV_SYSMMU
-	help
-	  Machine support for Samsung SMDKC210
-	  S5PC210(MCP) is one of package option of S5PV310
-
-config MACH_UNIVERSAL_C210
-	bool "Mobile UNIVERSAL_C210 Board"
-	select CPU_S5PV310
-	select S5P_DEV_ONENAND
-	select S3C_DEV_HSMMC
-	select S3C_DEV_HSMMC2
-	select S3C_DEV_HSMMC3
-	select S5PV310_SETUP_SDHCI
-	select S3C_DEV_I2C1
-	select S5PV310_SETUP_I2C1
-	help
-	  Machine support for Samsung Mobile Universal S5PC210 Reference
-	  Board. S5PC210(MCP) is one of package option of S5PV310
-
-endmenu
-
-menu "S5PV310 Machines"
-
-config MACH_SMDKV310
-	bool "SMDKV310"
-	select CPU_S5PV310
-	select S3C_DEV_RTC
-	select S3C_DEV_WDT
-	select S3C_DEV_I2C1
-	select S3C_DEV_HSMMC
-	select S3C_DEV_HSMMC1
-	select S3C_DEV_HSMMC2
-	select S3C_DEV_HSMMC3
-	select S5PV310_DEV_PD
-	select S5PV310_DEV_SYSMMU
-	select S5PV310_SETUP_I2C1
-	select S5PV310_SETUP_SDHCI
-	help
-	  Machine support for Samsung SMDKV310
-
-endmenu
-
-comment "Configuration for HSMMC bus width"
-
-menu "Use 8-bit bus width"
-
-config S5PV310_SDHCI_CH0_8BIT
-	bool "Channel 0 with 8-bit bus"
-	help
-	  Support HSMMC Channel 0 8-bit bus.
-	  If selected, Channel 1 is disabled.
-
-config S5PV310_SDHCI_CH2_8BIT
-	bool "Channel 2 with 8-bit bus"
-	help
-	  Support HSMMC Channel 2 8-bit bus.
-	  If selected, Channel 3 is disabled.
-
-endmenu
-
-endif
diff --git a/arch/arm/mach-s5pv310/Makefile b/arch/arm/mach-s5pv310/Makefile
deleted file mode 100644
index 036fb383b830..000000000000
--- a/arch/arm/mach-s5pv310/Makefile
+++ /dev/null
@@ -1,43 +0,0 @@
-# arch/arm/mach-s5pv310/Makefile
-#
-# Copyright (c) 2010 Samsung Electronics Co., Ltd.
-#		http://www.samsung.com/
-#
-# Licensed under GPLv2
-
-obj-y				:=
-obj-m				:=
-obj-n				:=
-obj-				:=
-
-# Core support for S5PV310 system
-
-obj-$(CONFIG_CPU_S5PV310)	+= cpu.o init.o clock.o irq-combiner.o
-obj-$(CONFIG_CPU_S5PV310)	+= setup-i2c0.o time.o gpiolib.o irq-eint.o dma.o
-obj-$(CONFIG_CPU_FREQ)		+= cpufreq.o
-
-obj-$(CONFIG_SMP)		+= platsmp.o headsmp.o
-obj-$(CONFIG_LOCAL_TIMERS)	+= localtimer.o
-obj-$(CONFIG_HOTPLUG_CPU)	+= hotplug.o
-
-# machine support
-
-obj-$(CONFIG_MACH_SMDKC210)	+= mach-smdkc210.o
-obj-$(CONFIG_MACH_SMDKV310)	+= mach-smdkv310.o
-obj-$(CONFIG_MACH_UNIVERSAL_C210)	+= mach-universal_c210.o
-
-# device support
-
-obj-y					+= dev-audio.o
-obj-$(CONFIG_S5PV310_DEV_PD)		+= dev-pd.o
-obj-$(CONFIG_S5PV310_DEV_SYSMMU)	+= dev-sysmmu.o
-
-obj-$(CONFIG_S5PV310_SETUP_I2C1)	+= setup-i2c1.o
-obj-$(CONFIG_S5PV310_SETUP_I2C2)	+= setup-i2c2.o
-obj-$(CONFIG_S5PV310_SETUP_I2C3)	+= setup-i2c3.o
-obj-$(CONFIG_S5PV310_SETUP_I2C4)	+= setup-i2c4.o
-obj-$(CONFIG_S5PV310_SETUP_I2C5)	+= setup-i2c5.o
-obj-$(CONFIG_S5PV310_SETUP_I2C6)	+= setup-i2c6.o
-obj-$(CONFIG_S5PV310_SETUP_I2C7)	+= setup-i2c7.o
-obj-$(CONFIG_S5PV310_SETUP_SDHCI)	+= setup-sdhci.o
-obj-$(CONFIG_S5PV310_SETUP_SDHCI_GPIO)	+= setup-sdhci-gpio.o
diff --git a/arch/arm/mach-s5pv310/include/mach/gpio.h b/arch/arm/mach-s5pv310/include/mach/gpio.h
deleted file mode 100644
index 20cb80c23466..000000000000
--- a/arch/arm/mach-s5pv310/include/mach/gpio.h
+++ /dev/null
@@ -1,135 +0,0 @@
-/* linux/arch/arm/mach-s5pv310/include/mach/gpio.h
- *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com/
- *
- * S5PV310 - GPIO lib 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.
-*/
-
-#ifndef __ASM_ARCH_GPIO_H
-#define __ASM_ARCH_GPIO_H __FILE__
-
-#define gpio_get_value	__gpio_get_value
-#define gpio_set_value	__gpio_set_value
-#define gpio_cansleep	__gpio_cansleep
-#define gpio_to_irq	__gpio_to_irq
-
-/* Practically, GPIO banks upto GPZ are the configurable gpio banks */
-
-/* GPIO bank sizes */
-#define S5PV310_GPIO_A0_NR	(8)
-#define S5PV310_GPIO_A1_NR	(6)
-#define S5PV310_GPIO_B_NR	(8)
-#define S5PV310_GPIO_C0_NR	(5)
-#define S5PV310_GPIO_C1_NR	(5)
-#define S5PV310_GPIO_D0_NR	(4)
-#define S5PV310_GPIO_D1_NR	(4)
-#define S5PV310_GPIO_E0_NR	(5)
-#define S5PV310_GPIO_E1_NR	(8)
-#define S5PV310_GPIO_E2_NR	(6)
-#define S5PV310_GPIO_E3_NR	(8)
-#define S5PV310_GPIO_E4_NR	(8)
-#define S5PV310_GPIO_F0_NR	(8)
-#define S5PV310_GPIO_F1_NR	(8)
-#define S5PV310_GPIO_F2_NR	(8)
-#define S5PV310_GPIO_F3_NR	(6)
-#define S5PV310_GPIO_J0_NR	(8)
-#define S5PV310_GPIO_J1_NR	(5)
-#define S5PV310_GPIO_K0_NR	(7)
-#define S5PV310_GPIO_K1_NR	(7)
-#define S5PV310_GPIO_K2_NR	(7)
-#define S5PV310_GPIO_K3_NR	(7)
-#define S5PV310_GPIO_L0_NR	(8)
-#define S5PV310_GPIO_L1_NR	(3)
-#define S5PV310_GPIO_L2_NR	(8)
-#define S5PV310_GPIO_X0_NR	(8)
-#define S5PV310_GPIO_X1_NR	(8)
-#define S5PV310_GPIO_X2_NR	(8)
-#define S5PV310_GPIO_X3_NR	(8)
-#define S5PV310_GPIO_Z_NR	(7)
-
-/* GPIO bank numbers */
-
-#define S5PV310_GPIO_NEXT(__gpio) \
-	((__gpio##_START) + (__gpio##_NR) + CONFIG_S3C_GPIO_SPACE + 1)
-
-enum s5p_gpio_number {
-	S5PV310_GPIO_A0_START	= 0,
-	S5PV310_GPIO_A1_START	= S5PV310_GPIO_NEXT(S5PV310_GPIO_A0),
-	S5PV310_GPIO_B_START	= S5PV310_GPIO_NEXT(S5PV310_GPIO_A1),
-	S5PV310_GPIO_C0_START	= S5PV310_GPIO_NEXT(S5PV310_GPIO_B),
-	S5PV310_GPIO_C1_START	= S5PV310_GPIO_NEXT(S5PV310_GPIO_C0),
-	S5PV310_GPIO_D0_START	= S5PV310_GPIO_NEXT(S5PV310_GPIO_C1),
-	S5PV310_GPIO_D1_START	= S5PV310_GPIO_NEXT(S5PV310_GPIO_D0),
-	S5PV310_GPIO_E0_START	= S5PV310_GPIO_NEXT(S5PV310_GPIO_D1),
-	S5PV310_GPIO_E1_START	= S5PV310_GPIO_NEXT(S5PV310_GPIO_E0),
-	S5PV310_GPIO_E2_START	= S5PV310_GPIO_NEXT(S5PV310_GPIO_E1),
-	S5PV310_GPIO_E3_START	= S5PV310_GPIO_NEXT(S5PV310_GPIO_E2),
-	S5PV310_GPIO_E4_START	= S5PV310_GPIO_NEXT(S5PV310_GPIO_E3),
-	S5PV310_GPIO_F0_START	= S5PV310_GPIO_NEXT(S5PV310_GPIO_E4),
-	S5PV310_GPIO_F1_START	= S5PV310_GPIO_NEXT(S5PV310_GPIO_F0),
-	S5PV310_GPIO_F2_START	= S5PV310_GPIO_NEXT(S5PV310_GPIO_F1),
-	S5PV310_GPIO_F3_START	= S5PV310_GPIO_NEXT(S5PV310_GPIO_F2),
-	S5PV310_GPIO_J0_START	= S5PV310_GPIO_NEXT(S5PV310_GPIO_F3),
-	S5PV310_GPIO_J1_START	= S5PV310_GPIO_NEXT(S5PV310_GPIO_J0),
-	S5PV310_GPIO_K0_START	= S5PV310_GPIO_NEXT(S5PV310_GPIO_J1),
-	S5PV310_GPIO_K1_START	= S5PV310_GPIO_NEXT(S5PV310_GPIO_K0),
-	S5PV310_GPIO_K2_START	= S5PV310_GPIO_NEXT(S5PV310_GPIO_K1),
-	S5PV310_GPIO_K3_START	= S5PV310_GPIO_NEXT(S5PV310_GPIO_K2),
-	S5PV310_GPIO_L0_START	= S5PV310_GPIO_NEXT(S5PV310_GPIO_K3),
-	S5PV310_GPIO_L1_START	= S5PV310_GPIO_NEXT(S5PV310_GPIO_L0),
-	S5PV310_GPIO_L2_START	= S5PV310_GPIO_NEXT(S5PV310_GPIO_L1),
-	S5PV310_GPIO_X0_START	= S5PV310_GPIO_NEXT(S5PV310_GPIO_L2),
-	S5PV310_GPIO_X1_START	= S5PV310_GPIO_NEXT(S5PV310_GPIO_X0),
-	S5PV310_GPIO_X2_START	= S5PV310_GPIO_NEXT(S5PV310_GPIO_X1),
-	S5PV310_GPIO_X3_START	= S5PV310_GPIO_NEXT(S5PV310_GPIO_X2),
-	S5PV310_GPIO_Z_START	= S5PV310_GPIO_NEXT(S5PV310_GPIO_X3),
-};
-
-/* S5PV310 GPIO number definitions */
-#define S5PV310_GPA0(_nr)	(S5PV310_GPIO_A0_START + (_nr))
-#define S5PV310_GPA1(_nr)	(S5PV310_GPIO_A1_START + (_nr))
-#define S5PV310_GPB(_nr)	(S5PV310_GPIO_B_START + (_nr))
-#define S5PV310_GPC0(_nr)	(S5PV310_GPIO_C0_START + (_nr))
-#define S5PV310_GPC1(_nr)	(S5PV310_GPIO_C1_START + (_nr))
-#define S5PV310_GPD0(_nr)	(S5PV310_GPIO_D0_START + (_nr))
-#define S5PV310_GPD1(_nr)	(S5PV310_GPIO_D1_START + (_nr))
-#define S5PV310_GPE0(_nr)	(S5PV310_GPIO_E0_START + (_nr))
-#define S5PV310_GPE1(_nr)	(S5PV310_GPIO_E1_START + (_nr))
-#define S5PV310_GPE2(_nr)	(S5PV310_GPIO_E2_START + (_nr))
-#define S5PV310_GPE3(_nr)	(S5PV310_GPIO_E3_START + (_nr))
-#define S5PV310_GPE4(_nr)	(S5PV310_GPIO_E4_START + (_nr))
-#define S5PV310_GPF0(_nr)	(S5PV310_GPIO_F0_START + (_nr))
-#define S5PV310_GPF1(_nr)	(S5PV310_GPIO_F1_START + (_nr))
-#define S5PV310_GPF2(_nr)	(S5PV310_GPIO_F2_START + (_nr))
-#define S5PV310_GPF3(_nr)	(S5PV310_GPIO_F3_START + (_nr))
-#define S5PV310_GPJ0(_nr)	(S5PV310_GPIO_J0_START + (_nr))
-#define S5PV310_GPJ1(_nr)	(S5PV310_GPIO_J1_START + (_nr))
-#define S5PV310_GPK0(_nr)	(S5PV310_GPIO_K0_START + (_nr))
-#define S5PV310_GPK1(_nr)	(S5PV310_GPIO_K1_START + (_nr))
-#define S5PV310_GPK2(_nr)	(S5PV310_GPIO_K2_START + (_nr))
-#define S5PV310_GPK3(_nr)	(S5PV310_GPIO_K3_START + (_nr))
-#define S5PV310_GPL0(_nr)	(S5PV310_GPIO_L0_START + (_nr))
-#define S5PV310_GPL1(_nr)	(S5PV310_GPIO_L1_START + (_nr))
-#define S5PV310_GPL2(_nr)	(S5PV310_GPIO_L2_START + (_nr))
-#define S5PV310_GPX0(_nr)	(S5PV310_GPIO_X0_START + (_nr))
-#define S5PV310_GPX1(_nr)	(S5PV310_GPIO_X1_START + (_nr))
-#define S5PV310_GPX2(_nr)	(S5PV310_GPIO_X2_START + (_nr))
-#define S5PV310_GPX3(_nr)	(S5PV310_GPIO_X3_START + (_nr))
-#define S5PV310_GPZ(_nr)	(S5PV310_GPIO_Z_START + (_nr))
-
-/* the end of the S5PV310 specific gpios */
-#define S5PV310_GPIO_END	(S5PV310_GPZ(S5PV310_GPIO_Z_NR) + 1)
-#define S3C_GPIO_END		S5PV310_GPIO_END
-
-/* define the number of gpios we need to the one after the GPZ() range */
-#define ARCH_NR_GPIOS		(S5PV310_GPZ(S5PV310_GPIO_Z_NR) +	\
-				 CONFIG_SAMSUNG_GPIO_EXTRA + 1)
-
-#include <asm-generic/gpio.h>
-
-#endif /* __ASM_ARCH_GPIO_H */
diff --git a/arch/arm/mach-s5pv310/include/mach/map.h b/arch/arm/mach-s5pv310/include/mach/map.h
deleted file mode 100644
index 901657fa7a12..000000000000
--- a/arch/arm/mach-s5pv310/include/mach/map.h
+++ /dev/null
@@ -1,144 +0,0 @@
-/* linux/arch/arm/mach-s5pv310/include/mach/map.h
- *
- * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com/
- *
- * S5PV310 - 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_ARCH_MAP_H
-#define __ASM_ARCH_MAP_H __FILE__
-
-#include <plat/map-base.h>
-
-/*
- * S5PV310 UART offset is 0x10000 but the older S5P SoCs are 0x400.
- * So need to define it, and here is to avoid redefinition warning.
- */
-#define S3C_UART_OFFSET			(0x10000)
-
-#include <plat/map-s5p.h>
-
-#define S5PV310_PA_SYSRAM		0x02025000
-
-#define S5PV310_PA_I2S0			0x03830000
-#define S5PV310_PA_I2S1			0xE3100000
-#define S5PV310_PA_I2S2			0xE2A00000
-
-#define S5PV310_PA_PCM0			0x03840000
-#define S5PV310_PA_PCM1			0x13980000
-#define S5PV310_PA_PCM2			0x13990000
-
-#define S5PV310_PA_SROM_BANK(x)		(0x04000000 + ((x) * 0x01000000))
-
-#define S5PC210_PA_ONENAND		0x0C000000
-#define S5PC210_PA_ONENAND_DMA		0x0C600000
-
-#define S5PV310_PA_CHIPID		0x10000000
-
-#define S5PV310_PA_SYSCON		0x10010000
-#define S5PV310_PA_PMU			0x10020000
-#define S5PV310_PA_CMU			0x10030000
-
-#define S5PV310_PA_WATCHDOG		0x10060000
-#define S5PV310_PA_RTC			0x10070000
-
-#define S5PV310_PA_DMC0			0x10400000
-
-#define S5PV310_PA_COMBINER		0x10448000
-
-#define S5PV310_PA_COREPERI		0x10500000
-#define S5PV310_PA_GIC_CPU		0x10500100
-#define S5PV310_PA_TWD			0x10500600
-#define S5PV310_PA_GIC_DIST		0x10501000
-#define S5PV310_PA_L2CC			0x10502000
-
-#define S5PV310_PA_MDMA			0x10810000
-#define S5PV310_PA_PDMA0		0x12680000
-#define S5PV310_PA_PDMA1		0x12690000
-
-#define S5PV310_PA_SYSMMU_MDMA		0x10A40000
-#define S5PV310_PA_SYSMMU_SSS		0x10A50000
-#define S5PV310_PA_SYSMMU_FIMC0		0x11A20000
-#define S5PV310_PA_SYSMMU_FIMC1		0x11A30000
-#define S5PV310_PA_SYSMMU_FIMC2		0x11A40000
-#define S5PV310_PA_SYSMMU_FIMC3		0x11A50000
-#define S5PV310_PA_SYSMMU_JPEG		0x11A60000
-#define S5PV310_PA_SYSMMU_FIMD0		0x11E20000
-#define S5PV310_PA_SYSMMU_FIMD1		0x12220000
-#define S5PV310_PA_SYSMMU_PCIe		0x12620000
-#define S5PV310_PA_SYSMMU_G2D		0x12A20000
-#define S5PV310_PA_SYSMMU_ROTATOR	0x12A30000
-#define S5PV310_PA_SYSMMU_MDMA2		0x12A40000
-#define S5PV310_PA_SYSMMU_TV		0x12E20000
-#define S5PV310_PA_SYSMMU_MFC_L		0x13620000
-#define S5PV310_PA_SYSMMU_MFC_R		0x13630000
-
-#define S5PV310_PA_GPIO1		0x11400000
-#define S5PV310_PA_GPIO2		0x11000000
-#define S5PV310_PA_GPIO3		0x03860000
-
-#define S5PV310_PA_MIPI_CSIS0		0x11880000
-#define S5PV310_PA_MIPI_CSIS1		0x11890000
-
-#define S5PV310_PA_HSMMC(x)		(0x12510000 + ((x) * 0x10000))
-
-#define S5PV310_PA_SROMC		0x12570000
-
-#define S5PV310_PA_UART			0x13800000
-
-#define S5PV310_PA_IIC(x)		(0x13860000 + ((x) * 0x10000))
-
-#define S5PV310_PA_AC97			0x139A0000
-
-#define S5PV310_PA_TIMER		0x139D0000
-
-#define S5PV310_PA_SDRAM		0x40000000
-
-#define S5PV310_PA_SPDIF		0xE1100000
-
-/* Compatibiltiy Defines */
-
-#define S3C_PA_HSMMC0			S5PV310_PA_HSMMC(0)
-#define S3C_PA_HSMMC1			S5PV310_PA_HSMMC(1)
-#define S3C_PA_HSMMC2			S5PV310_PA_HSMMC(2)
-#define S3C_PA_HSMMC3			S5PV310_PA_HSMMC(3)
-#define S3C_PA_IIC			S5PV310_PA_IIC(0)
-#define S3C_PA_IIC1			S5PV310_PA_IIC(1)
-#define S3C_PA_IIC2			S5PV310_PA_IIC(2)
-#define S3C_PA_IIC3			S5PV310_PA_IIC(3)
-#define S3C_PA_IIC4			S5PV310_PA_IIC(4)
-#define S3C_PA_IIC5			S5PV310_PA_IIC(5)
-#define S3C_PA_IIC6			S5PV310_PA_IIC(6)
-#define S3C_PA_IIC7			S5PV310_PA_IIC(7)
-#define S3C_PA_RTC			S5PV310_PA_RTC
-#define S3C_PA_WDT			S5PV310_PA_WATCHDOG
-
-#define S5P_PA_CHIPID			S5PV310_PA_CHIPID
-#define S5P_PA_MIPI_CSIS0		S5PV310_PA_MIPI_CSIS0
-#define S5P_PA_MIPI_CSIS1		S5PV310_PA_MIPI_CSIS1
-#define S5P_PA_ONENAND			S5PC210_PA_ONENAND
-#define S5P_PA_ONENAND_DMA		S5PC210_PA_ONENAND_DMA
-#define S5P_PA_SDRAM			S5PV310_PA_SDRAM
-#define S5P_PA_SROMC			S5PV310_PA_SROMC
-#define S5P_PA_SYSCON			S5PV310_PA_SYSCON
-#define S5P_PA_TIMER			S5PV310_PA_TIMER
-
-/* UART */
-
-#define S3C_PA_UART			S5PV310_PA_UART
-
-#define S5P_PA_UART(x)			(S3C_PA_UART + ((x) * S3C_UART_OFFSET))
-#define S5P_PA_UART0			S5P_PA_UART(0)
-#define S5P_PA_UART1			S5P_PA_UART(1)
-#define S5P_PA_UART2			S5P_PA_UART(2)
-#define S5P_PA_UART3			S5P_PA_UART(3)
-#define S5P_PA_UART4			S5P_PA_UART(4)
-
-#define S5P_SZ_UART			SZ_256
-
-#endif /* __ASM_ARCH_MAP_H */
diff --git a/arch/arm/mach-s5pv310/include/mach/regs-gpio.h b/arch/arm/mach-s5pv310/include/mach/regs-gpio.h
deleted file mode 100644
index 82e9e0c9d452..000000000000
--- a/arch/arm/mach-s5pv310/include/mach/regs-gpio.h
+++ /dev/null
@@ -1,42 +0,0 @@
-/* linux/arch/arm/mach-s5pv310/include/mach/regs-gpio.h
- *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com
- *
- * S5PV310 - GPIO (including EINT) 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 __ASM_ARCH_REGS_GPIO_H
-#define __ASM_ARCH_REGS_GPIO_H __FILE__
-
-#include <mach/map.h>
-#include <mach/irqs.h>
-
-#define S5PV310_EINT40CON		(S5P_VA_GPIO2 + 0xE00)
-#define S5P_EINT_CON(x)			(S5PV310_EINT40CON + ((x) * 0x4))
-
-#define S5PV310_EINT40FLTCON0		(S5P_VA_GPIO2 + 0xE80)
-#define S5P_EINT_FLTCON(x)		(S5PV310_EINT40FLTCON0 + ((x) * 0x4))
-
-#define S5PV310_EINT40MASK		(S5P_VA_GPIO2 + 0xF00)
-#define S5P_EINT_MASK(x)		(S5PV310_EINT40MASK + ((x) * 0x4))
-
-#define S5PV310_EINT40PEND		(S5P_VA_GPIO2 + 0xF40)
-#define S5P_EINT_PEND(x)		(S5PV310_EINT40PEND + ((x) * 0x4))
-
-#define EINT_REG_NR(x)			(EINT_OFFSET(x) >> 3)
-
-#define eint_irq_to_bit(irq)		(1 << (EINT_OFFSET(irq) & 0x7))
-
-#define EINT_MODE			S3C_GPIO_SFN(0xf)
-
-#define EINT_GPIO_0(x)			S5PV310_GPX0(x)
-#define EINT_GPIO_1(x)			S5PV310_GPX1(x)
-#define EINT_GPIO_2(x)			S5PV310_GPX2(x)
-#define EINT_GPIO_3(x)			S5PV310_GPX3(x)
-
-#endif /* __ASM_ARCH_REGS_GPIO_H */
diff --git a/arch/arm/mach-s5pv310/mach-universal_c210.c b/arch/arm/mach-s5pv310/mach-universal_c210.c
deleted file mode 100644
index 36bc3cf825e3..000000000000
--- a/arch/arm/mach-s5pv310/mach-universal_c210.c
+++ /dev/null
@@ -1,237 +0,0 @@
-/* linux/arch/arm/mach-s5pv310/mach-universal_c210.c
- *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
- *
- * 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>
-#include <linux/serial_core.h>
-#include <linux/input.h>
-#include <linux/i2c.h>
-#include <linux/gpio_keys.h>
-#include <linux/gpio.h>
-#include <linux/regulator/machine.h>
-#include <linux/regulator/fixed.h>
-#include <linux/mmc/host.h>
-
-#include <asm/mach/arch.h>
-#include <asm/mach-types.h>
-
-#include <plat/regs-serial.h>
-#include <plat/s5pv310.h>
-#include <plat/cpu.h>
-#include <plat/devs.h>
-#include <plat/sdhci.h>
-
-#include <mach/map.h>
-
-/* Following are default values for UCON, ULCON and UFCON UART registers */
-#define UNIVERSAL_UCON_DEFAULT	(S3C2410_UCON_TXILEVEL |	\
-				 S3C2410_UCON_RXILEVEL |	\
-				 S3C2410_UCON_TXIRQMODE |	\
-				 S3C2410_UCON_RXIRQMODE |	\
-				 S3C2410_UCON_RXFIFO_TOI |	\
-				 S3C2443_UCON_RXERR_IRQEN)
-
-#define UNIVERSAL_ULCON_DEFAULT	S3C2410_LCON_CS8
-
-#define UNIVERSAL_UFCON_DEFAULT	(S3C2410_UFCON_FIFOMODE |	\
-				 S5PV210_UFCON_TXTRIG256 |	\
-				 S5PV210_UFCON_RXTRIG256)
-
-static struct s3c2410_uartcfg universal_uartcfgs[] __initdata = {
-	[0] = {
-		.hwport		= 0,
-		.ucon		= UNIVERSAL_UCON_DEFAULT,
-		.ulcon		= UNIVERSAL_ULCON_DEFAULT,
-		.ufcon		= UNIVERSAL_UFCON_DEFAULT,
-	},
-	[1] = {
-		.hwport		= 1,
-		.ucon		= UNIVERSAL_UCON_DEFAULT,
-		.ulcon		= UNIVERSAL_ULCON_DEFAULT,
-		.ufcon		= UNIVERSAL_UFCON_DEFAULT,
-	},
-	[2] = {
-		.hwport		= 2,
-		.ucon		= UNIVERSAL_UCON_DEFAULT,
-		.ulcon		= UNIVERSAL_ULCON_DEFAULT,
-		.ufcon		= UNIVERSAL_UFCON_DEFAULT,
-	},
-	[3] = {
-		.hwport		= 3,
-		.ucon		= UNIVERSAL_UCON_DEFAULT,
-		.ulcon		= UNIVERSAL_ULCON_DEFAULT,
-		.ufcon		= UNIVERSAL_UFCON_DEFAULT,
-	},
-};
-
-static struct gpio_keys_button universal_gpio_keys_tables[] = {
-	{
-		.code			= KEY_VOLUMEUP,
-		.gpio			= S5PV310_GPX2(0),	/* XEINT16 */
-		.desc			= "gpio-keys: KEY_VOLUMEUP",
-		.type			= EV_KEY,
-		.active_low		= 1,
-		.debounce_interval	= 1,
-	}, {
-		.code			= KEY_VOLUMEDOWN,
-		.gpio			= S5PV310_GPX2(1),	/* XEINT17 */
-		.desc			= "gpio-keys: KEY_VOLUMEDOWN",
-		.type			= EV_KEY,
-		.active_low		= 1,
-		.debounce_interval	= 1,
-	}, {
-		.code			= KEY_CONFIG,
-		.gpio			= S5PV310_GPX2(2),	/* XEINT18 */
-		.desc			= "gpio-keys: KEY_CONFIG",
-		.type			= EV_KEY,
-		.active_low		= 1,
-		.debounce_interval	= 1,
-	}, {
-		.code			= KEY_CAMERA,
-		.gpio			= S5PV310_GPX2(3),	/* XEINT19 */
-		.desc			= "gpio-keys: KEY_CAMERA",
-		.type			= EV_KEY,
-		.active_low		= 1,
-		.debounce_interval	= 1,
-	}, {
-		.code			= KEY_OK,
-		.gpio			= S5PV310_GPX3(5),	/* XEINT29 */
-		.desc			= "gpio-keys: KEY_OK",
-		.type			= EV_KEY,
-		.active_low		= 1,
-		.debounce_interval	= 1,
-	},
-};
-
-static struct gpio_keys_platform_data universal_gpio_keys_data = {
-	.buttons	= universal_gpio_keys_tables,
-	.nbuttons	= ARRAY_SIZE(universal_gpio_keys_tables),
-};
-
-static struct platform_device universal_gpio_keys = {
-	.name			= "gpio-keys",
-	.dev			= {
-		.platform_data	= &universal_gpio_keys_data,
-	},
-};
-
-/* eMMC */
-static struct s3c_sdhci_platdata universal_hsmmc0_data __initdata = {
-	.max_width		= 8,
-	.host_caps		= (MMC_CAP_8_BIT_DATA | MMC_CAP_4_BIT_DATA |
-				MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED |
-				MMC_CAP_DISABLE),
-	.cd_type		= S3C_SDHCI_CD_PERMANENT,
-	.clk_type		= S3C_SDHCI_CLK_DIV_EXTERNAL,
-};
-
-static struct regulator_consumer_supply mmc0_supplies[] = {
-	REGULATOR_SUPPLY("vmmc", "s3c-sdhci.0"),
-};
-
-static struct regulator_init_data mmc0_fixed_voltage_init_data = {
-	.constraints		= {
-		.name		= "VMEM_VDD_2.8V",
-		.valid_ops_mask	= REGULATOR_CHANGE_STATUS,
-	},
-	.num_consumer_supplies	= ARRAY_SIZE(mmc0_supplies),
-	.consumer_supplies	= mmc0_supplies,
-};
-
-static struct fixed_voltage_config mmc0_fixed_voltage_config = {
-	.supply_name		= "MASSMEMORY_EN",
-	.microvolts		= 2800000,
-	.gpio			= S5PV310_GPE1(3),
-	.enable_high		= true,
-	.init_data		= &mmc0_fixed_voltage_init_data,
-};
-
-static struct platform_device mmc0_fixed_voltage = {
-	.name			= "reg-fixed-voltage",
-	.id			= 0,
-	.dev			= {
-		.platform_data	= &mmc0_fixed_voltage_config,
-	},
-};
-
-/* SD */
-static struct s3c_sdhci_platdata universal_hsmmc2_data __initdata = {
-	.max_width		= 4,
-	.host_caps		= MMC_CAP_4_BIT_DATA |
-				MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED |
-				MMC_CAP_DISABLE,
-	.ext_cd_gpio		= S5PV310_GPX3(4),      /* XEINT_28 */
-	.ext_cd_gpio_invert	= 1,
-	.cd_type		= S3C_SDHCI_CD_GPIO,
-	.clk_type		= S3C_SDHCI_CLK_DIV_EXTERNAL,
-};
-
-/* WiFi */
-static struct s3c_sdhci_platdata universal_hsmmc3_data __initdata = {
-	.max_width		= 4,
-	.host_caps		= MMC_CAP_4_BIT_DATA |
-				MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED |
-				MMC_CAP_DISABLE,
-	.cd_type		= S3C_SDHCI_CD_EXTERNAL,
-};
-
-static void __init universal_sdhci_init(void)
-{
-	s3c_sdhci0_set_platdata(&universal_hsmmc0_data);
-	s3c_sdhci2_set_platdata(&universal_hsmmc2_data);
-	s3c_sdhci3_set_platdata(&universal_hsmmc3_data);
-}
-
-/* I2C0 */
-static struct i2c_board_info i2c0_devs[] __initdata = {
-	/* Camera, To be updated */
-};
-
-/* I2C1 */
-static struct i2c_board_info i2c1_devs[] __initdata = {
-	/* Gyro, To be updated */
-};
-
-static struct platform_device *universal_devices[] __initdata = {
-	/* Samsung Platform Devices */
-	&mmc0_fixed_voltage,
-	&s3c_device_hsmmc0,
-	&s3c_device_hsmmc2,
-	&s3c_device_hsmmc3,
-
-	/* Universal Devices */
-	&universal_gpio_keys,
-	&s5p_device_onenand,
-};
-
-static void __init universal_map_io(void)
-{
-	s5p_init_io(NULL, 0, S5P_VA_CHIPID);
-	s3c24xx_init_clocks(24000000);
-	s3c24xx_init_uarts(universal_uartcfgs, ARRAY_SIZE(universal_uartcfgs));
-}
-
-static void __init universal_machine_init(void)
-{
-	universal_sdhci_init();
-
-	i2c_register_board_info(0, i2c0_devs, ARRAY_SIZE(i2c0_devs));
-	i2c_register_board_info(1, i2c1_devs, ARRAY_SIZE(i2c1_devs));
-
-	/* Last */
-	platform_add_devices(universal_devices, ARRAY_SIZE(universal_devices));
-}
-
-MACHINE_START(UNIVERSAL_C210, "UNIVERSAL_C210")
-	/* Maintainer: Kyungmin Park <kyungmin.park@samsung.com> */
-	.boot_params	= S5P_PA_SDRAM + 0x100,
-	.init_irq	= s5pv310_init_irq,
-	.map_io		= universal_map_io,
-	.init_machine	= universal_machine_init,
-	.timer		= &s5pv310_timer,
-MACHINE_END
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index e4509bae8fc4..0f59e54e9398 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -812,7 +812,7 @@ config CACHE_L2X0
 	bool "Enable the L2x0 outer cache controller"
 	depends on REALVIEW_EB_ARM11MP || MACH_REALVIEW_PB11MP || MACH_REALVIEW_PB1176 || \
 		   REALVIEW_EB_A9MP || ARCH_MX35 || ARCH_MX31 || MACH_REALVIEW_PBX || \
-		   ARCH_NOMADIK || ARCH_OMAP4 || ARCH_S5PV310 || ARCH_TEGRA || \
+		   ARCH_NOMADIK || ARCH_OMAP4 || ARCH_EXYNOS4 || ARCH_TEGRA || \
 		   ARCH_U8500 || ARCH_VEXPRESS_CA9X4 || ARCH_SHMOBILE
 	default y
 	select OUTER_CACHE
diff --git a/arch/arm/plat-s5p/Kconfig b/arch/arm/plat-s5p/Kconfig
index 557f8c507f6d..6390ac728b35 100644
--- a/arch/arm/plat-s5p/Kconfig
+++ b/arch/arm/plat-s5p/Kconfig
@@ -7,10 +7,10 @@
 
 config PLAT_S5P
 	bool
-	depends on (ARCH_S5P64X0 || ARCH_S5P6442 || ARCH_S5PC100 || ARCH_S5PV210 || ARCH_S5PV310)
+	depends on (ARCH_S5P64X0 || ARCH_S5P6442 || ARCH_S5PC100 || ARCH_S5PV210 || ARCH_EXYNOS4)
 	default y
-	select ARM_VIC if !ARCH_S5PV310
-	select ARM_GIC if ARCH_S5PV310
+	select ARM_VIC if !ARCH_EXYNOS4
+	select ARM_GIC if ARCH_EXYNOS4
 	select NO_IOPORT
 	select ARCH_REQUIRE_GPIOLIB
 	select S3C_GPIO_TRACK
@@ -41,7 +41,7 @@ comment "System MMU"
 
 config S5P_SYSTEM_MMU
 	bool "S5P SYSTEM MMU"
-	depends on ARCH_S5PV310
+	depends on ARCH_EXYNOS4
 	help
 	  Say Y here if you want to enable System MMU
 
diff --git a/arch/arm/plat-s5p/cpu.c b/arch/arm/plat-s5p/cpu.c
index 047d31c1bbd8..c3bfe9b13acf 100644
--- a/arch/arm/plat-s5p/cpu.c
+++ b/arch/arm/plat-s5p/cpu.c
@@ -1,7 +1,7 @@
 /* linux/arch/arm/plat-s5p/cpu.c
  *
- * Copyright (c) 2009 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com/
+ * Copyright (c) 2009-2011 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
  *
  * S5P CPU Support
  *
@@ -12,17 +12,20 @@
 
 #include <linux/init.h>
 #include <linux/module.h>
-#include <mach/map.h>
+
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
+
+#include <mach/map.h>
 #include <mach/regs-clock.h>
+
 #include <plat/cpu.h>
 #include <plat/s5p6440.h>
 #include <plat/s5p6442.h>
 #include <plat/s5p6450.h>
 #include <plat/s5pc100.h>
 #include <plat/s5pv210.h>
-#include <plat/s5pv310.h>
+#include <plat/exynos4.h>
 
 /* table of supported CPUs */
 
@@ -31,7 +34,7 @@ static const char name_s5p6442[] = "S5P6442";
 static const char name_s5p6450[] = "S5P6450";
 static const char name_s5pc100[] = "S5PC100";
 static const char name_s5pv210[] = "S5PV210/S5PC110";
-static const char name_s5pv310[] = "S5PV310";
+static const char name_exynos4210[] = "EXYNOS4210";
 
 static struct cpu_table cpu_ids[] __initdata = {
 	{
@@ -75,13 +78,13 @@ static struct cpu_table cpu_ids[] __initdata = {
 		.init		= s5pv210_init,
 		.name		= name_s5pv210,
 	}, {
-		.idcode		= 0x43200000,
+		.idcode		= 0x43210000,
 		.idmask		= 0xfffff000,
-		.map_io		= s5pv310_map_io,
-		.init_clocks	= s5pv310_init_clocks,
-		.init_uarts	= s5pv310_init_uarts,
-		.init		= s5pv310_init,
-		.name		= name_s5pv310,
+		.map_io		= exynos4_map_io,
+		.init_clocks	= exynos4_init_clocks,
+		.init_uarts	= exynos4_init_uarts,
+		.init		= exynos4_init,
+		.name		= name_exynos4210,
 	},
 };
 
diff --git a/arch/arm/plat-s5p/include/plat/exynos4.h b/arch/arm/plat-s5p/include/plat/exynos4.h
new file mode 100644
index 000000000000..907caab53dcf
--- /dev/null
+++ b/arch/arm/plat-s5p/include/plat/exynos4.h
@@ -0,0 +1,34 @@
+/* linux/arch/arm/plat-s5p/include/plat/exynos4.h
+ *
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
+ *
+ * Header file for exynos4 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 EXYNOS4 related SoCs */
+
+extern void exynos4_common_init_uarts(struct s3c2410_uartcfg *cfg, int no);
+extern void exynos4_register_clocks(void);
+extern void exynos4_setup_clocks(void);
+
+#ifdef CONFIG_CPU_EXYNOS4210
+
+extern  int exynos4_init(void);
+extern void exynos4_init_irq(void);
+extern void exynos4_map_io(void);
+extern void exynos4_init_clocks(int xtal);
+extern struct sys_timer exynos4_timer;
+
+#define exynos4_init_uarts exynos4_common_init_uarts
+
+#else
+#define exynos4_init_clocks NULL
+#define exynos4_init_uarts NULL
+#define exynos4_map_io NULL
+#define exynos4_init NULL
+#endif
diff --git a/arch/arm/plat-s5p/include/plat/s5pv310.h b/arch/arm/plat-s5p/include/plat/s5pv310.h
deleted file mode 100644
index 769c991ceb37..000000000000
--- a/arch/arm/plat-s5p/include/plat/s5pv310.h
+++ /dev/null
@@ -1,34 +0,0 @@
-/* linux/arch/arm/plat-s5p/include/plat/s5pv310.h
- *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com/
- *
- * Header file for s5pv310 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 S5PV310 related SoCs */
-
-extern void s5pv310_common_init_uarts(struct s3c2410_uartcfg *cfg, int no);
-extern void s5pv310_register_clocks(void);
-extern void s5pv310_setup_clocks(void);
-
-#ifdef CONFIG_CPU_S5PV310
-
-extern  int s5pv310_init(void);
-extern void s5pv310_init_irq(void);
-extern void s5pv310_map_io(void);
-extern void s5pv310_init_clocks(int xtal);
-extern struct sys_timer s5pv310_timer;
-
-#define s5pv310_init_uarts s5pv310_common_init_uarts
-
-#else
-#define s5pv310_init_clocks NULL
-#define s5pv310_init_uarts NULL
-#define s5pv310_map_io NULL
-#define s5pv310_init NULL
-#endif
diff --git a/arch/arm/plat-samsung/include/plat/devs.h b/arch/arm/plat-samsung/include/plat/devs.h
index b4d208b42957..e2b3ab997cff 100644
--- a/arch/arm/plat-samsung/include/plat/devs.h
+++ b/arch/arm/plat-samsung/include/plat/devs.h
@@ -1,5 +1,8 @@
 /* arch/arm/plat-samsung/include/plat/devs.h
  *
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
+ *
  * Copyright (c) 2004 Simtec Electronics
  * Ben Dooks <ben@simtec.co.uk>
  *
@@ -96,15 +99,15 @@ extern struct platform_device s5pv210_device_iis1;
 extern struct platform_device s5pv210_device_iis2;
 extern struct platform_device s5pv210_device_spdif;
 
-extern struct platform_device s5pv310_device_ac97;
-extern struct platform_device s5pv310_device_pcm0;
-extern struct platform_device s5pv310_device_pcm1;
-extern struct platform_device s5pv310_device_pcm2;
-extern struct platform_device s5pv310_device_i2s0;
-extern struct platform_device s5pv310_device_i2s1;
-extern struct platform_device s5pv310_device_i2s2;
-extern struct platform_device s5pv310_device_spdif;
-extern struct platform_device s5pv310_device_pd[];
+extern struct platform_device exynos4_device_ac97;
+extern struct platform_device exynos4_device_pcm0;
+extern struct platform_device exynos4_device_pcm1;
+extern struct platform_device exynos4_device_pcm2;
+extern struct platform_device exynos4_device_i2s0;
+extern struct platform_device exynos4_device_i2s1;
+extern struct platform_device exynos4_device_i2s2;
+extern struct platform_device exynos4_device_spdif;
+extern struct platform_device exynos4_device_pd[];
 
 extern struct platform_device s5p6442_device_pcm0;
 extern struct platform_device s5p6442_device_pcm1;
@@ -137,7 +140,7 @@ extern struct platform_device s5p_device_fimc2;
 extern struct platform_device s5p_device_mipi_csis0;
 extern struct platform_device s5p_device_mipi_csis1;
 
-extern struct platform_device s5pv310_device_sysmmu;
+extern struct platform_device exynos4_device_sysmmu;
 
 /* s3c2440 specific devices */
 
diff --git a/arch/arm/plat-samsung/include/plat/pd.h b/arch/arm/plat-samsung/include/plat/pd.h
index 5f0ad85783db..abb4bc32716a 100644
--- a/arch/arm/plat-samsung/include/plat/pd.h
+++ b/arch/arm/plat-samsung/include/plat/pd.h
@@ -1,6 +1,6 @@
 /* linux/arch/arm/plat-samsung/include/plat/pd.h
  *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
  *		http://www.samsung.com
  *
  * This program is free software; you can redistribute it and/or modify
@@ -17,7 +17,7 @@ struct samsung_pd_info {
 	void __iomem *base;
 };
 
-enum s5pv310_pd_block {
+enum exynos4_pd_block {
 	PD_MFC,
 	PD_G3D,
 	PD_LCD0,
diff --git a/arch/arm/plat-samsung/include/plat/sdhci.h b/arch/arm/plat-samsung/include/plat/sdhci.h
index 5a41a0b69eec..b0bdf16549d5 100644
--- a/arch/arm/plat-samsung/include/plat/sdhci.h
+++ b/arch/arm/plat-samsung/include/plat/sdhci.h
@@ -1,4 +1,7 @@
-/* linux/arch/arm/plat-s3c/include/plat/sdhci.h
+/* linux/arch/arm/plat-samsung/include/plat/sdhci.h
+ *
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
  *
  * Copyright 2008 Openmoko, Inc.
  * Copyright 2008 Simtec Electronics
@@ -119,10 +122,10 @@ extern void s5pv210_setup_sdhci0_cfg_gpio(struct platform_device *, int w);
 extern void s5pv210_setup_sdhci1_cfg_gpio(struct platform_device *, int w);
 extern void s5pv210_setup_sdhci2_cfg_gpio(struct platform_device *, int w);
 extern void s5pv210_setup_sdhci3_cfg_gpio(struct platform_device *, int w);
-extern void s5pv310_setup_sdhci0_cfg_gpio(struct platform_device *, int w);
-extern void s5pv310_setup_sdhci1_cfg_gpio(struct platform_device *, int w);
-extern void s5pv310_setup_sdhci2_cfg_gpio(struct platform_device *, int w);
-extern void s5pv310_setup_sdhci3_cfg_gpio(struct platform_device *, int w);
+extern void exynos4_setup_sdhci0_cfg_gpio(struct platform_device *, int w);
+extern void exynos4_setup_sdhci1_cfg_gpio(struct platform_device *, int w);
+extern void exynos4_setup_sdhci2_cfg_gpio(struct platform_device *, int w);
+extern void exynos4_setup_sdhci3_cfg_gpio(struct platform_device *, int w);
 
 /* S3C2416 SDHCI setup */
 
@@ -334,57 +337,57 @@ static inline void s5pv210_default_sdhci3(void) { }
 
 #endif /* CONFIG_S5PV210_SETUP_SDHCI */
 
-/* S5PV310 SDHCI setup */
-#ifdef CONFIG_S5PV310_SETUP_SDHCI
-extern char *s5pv310_hsmmc_clksrcs[4];
+/* EXYNOS4 SDHCI setup */
+#ifdef CONFIG_EXYNOS4_SETUP_SDHCI
+extern char *exynos4_hsmmc_clksrcs[4];
 
-extern void s5pv310_setup_sdhci_cfg_card(struct platform_device *dev,
+extern void exynos4_setup_sdhci_cfg_card(struct platform_device *dev,
 					   void __iomem *r,
 					   struct mmc_ios *ios,
 					   struct mmc_card *card);
 
-static inline void s5pv310_default_sdhci0(void)
+static inline void exynos4_default_sdhci0(void)
 {
 #ifdef CONFIG_S3C_DEV_HSMMC
-	s3c_hsmmc0_def_platdata.clocks = s5pv310_hsmmc_clksrcs;
-	s3c_hsmmc0_def_platdata.cfg_gpio = s5pv310_setup_sdhci0_cfg_gpio;
-	s3c_hsmmc0_def_platdata.cfg_card = s5pv310_setup_sdhci_cfg_card;
+	s3c_hsmmc0_def_platdata.clocks = exynos4_hsmmc_clksrcs;
+	s3c_hsmmc0_def_platdata.cfg_gpio = exynos4_setup_sdhci0_cfg_gpio;
+	s3c_hsmmc0_def_platdata.cfg_card = exynos4_setup_sdhci_cfg_card;
 #endif
 }
 
-static inline void s5pv310_default_sdhci1(void)
+static inline void exynos4_default_sdhci1(void)
 {
 #ifdef CONFIG_S3C_DEV_HSMMC1
-	s3c_hsmmc1_def_platdata.clocks = s5pv310_hsmmc_clksrcs;
-	s3c_hsmmc1_def_platdata.cfg_gpio = s5pv310_setup_sdhci1_cfg_gpio;
-	s3c_hsmmc1_def_platdata.cfg_card = s5pv310_setup_sdhci_cfg_card;
+	s3c_hsmmc1_def_platdata.clocks = exynos4_hsmmc_clksrcs;
+	s3c_hsmmc1_def_platdata.cfg_gpio = exynos4_setup_sdhci1_cfg_gpio;
+	s3c_hsmmc1_def_platdata.cfg_card = exynos4_setup_sdhci_cfg_card;
 #endif
 }
 
-static inline void s5pv310_default_sdhci2(void)
+static inline void exynos4_default_sdhci2(void)
 {
 #ifdef CONFIG_S3C_DEV_HSMMC2
-	s3c_hsmmc2_def_platdata.clocks = s5pv310_hsmmc_clksrcs;
-	s3c_hsmmc2_def_platdata.cfg_gpio = s5pv310_setup_sdhci2_cfg_gpio;
-	s3c_hsmmc2_def_platdata.cfg_card = s5pv310_setup_sdhci_cfg_card;
+	s3c_hsmmc2_def_platdata.clocks = exynos4_hsmmc_clksrcs;
+	s3c_hsmmc2_def_platdata.cfg_gpio = exynos4_setup_sdhci2_cfg_gpio;
+	s3c_hsmmc2_def_platdata.cfg_card = exynos4_setup_sdhci_cfg_card;
 #endif
 }
 
-static inline void s5pv310_default_sdhci3(void)
+static inline void exynos4_default_sdhci3(void)
 {
 #ifdef CONFIG_S3C_DEV_HSMMC3
-	s3c_hsmmc3_def_platdata.clocks = s5pv310_hsmmc_clksrcs;
-	s3c_hsmmc3_def_platdata.cfg_gpio = s5pv310_setup_sdhci3_cfg_gpio;
-	s3c_hsmmc3_def_platdata.cfg_card = s5pv310_setup_sdhci_cfg_card;
+	s3c_hsmmc3_def_platdata.clocks = exynos4_hsmmc_clksrcs;
+	s3c_hsmmc3_def_platdata.cfg_gpio = exynos4_setup_sdhci3_cfg_gpio;
+	s3c_hsmmc3_def_platdata.cfg_card = exynos4_setup_sdhci_cfg_card;
 #endif
 }
 
 #else
-static inline void s5pv310_default_sdhci0(void) { }
-static inline void s5pv310_default_sdhci1(void) { }
-static inline void s5pv310_default_sdhci2(void) { }
-static inline void s5pv310_default_sdhci3(void) { }
+static inline void exynos4_default_sdhci0(void) { }
+static inline void exynos4_default_sdhci1(void) { }
+static inline void exynos4_default_sdhci2(void) { }
+static inline void exynos4_default_sdhci3(void) { }
 
-#endif /* CONFIG_S5PV310_SETUP_SDHCI */
+#endif /* CONFIG_EXYNOS4_SETUP_SDHCI */
 
 #endif /* __PLAT_S3C_SDHCI_H */