Merge branch 'next-exynos4' into for-next

75 files changed, 3060 insertions, 1528 deletions

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 166efa2a19c..b4db99bb4f8 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 6f7b29294c8..40aa0225877 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 00000000000..2ffba24d2e2
--- /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 00000000000..82195a9a4c6
--- /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 00000000000..56e367b48fb
--- /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 d65956ffb43..d65956ffb43 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 fc7c2f8d165..7bf3c4e35d2 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);</