Merge branch 'next-s5pv310' into for-next

46 files changed, 2611 insertions, 18 deletions

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 98922f7d2d1..3e68a93ce71 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -704,6 +704,15 @@ config ARCH_S5PV210
 	help
 	  Samsung S5PV210/S5PC110 series based systems
 
+config ARCH_S5PV310
+	bool "Samsung S5PV310/S5PC210"
+	select CPU_V7
+	select GENERIC_GPIO
+	select HAVE_CLK
+	select GENERIC_CLOCKEVENTS
+	help
+	  Samsung S5PV310 series based systems
+
 config ARCH_SHARK
 	bool "Shark"
 	select CPU_SA110
@@ -904,6 +913,8 @@ source "arch/arm/mach-s5pc100/Kconfig"
 
 source "arch/arm/mach-s5pv210/Kconfig"
 
+source "arch/arm/mach-s5pv310/Kconfig"
+
 source "arch/arm/mach-shmobile/Kconfig"
 
 source "arch/arm/plat-stmp3xxx/Kconfig"
@@ -1100,10 +1111,11 @@ config SMP
 	bool "Symmetric Multi-Processing (EXPERIMENTAL)"
 	depends on EXPERIMENTAL && (REALVIEW_EB_ARM11MP || REALVIEW_EB_A9MP ||\
 		 MACH_REALVIEW_PB11MP || MACH_REALVIEW_PBX || ARCH_OMAP4 ||\
-		 ARCH_U8500 || ARCH_VEXPRESS_CA9X4)
+		 ARCH_U8500 || ARCH_VEXPRESS_CA9X4 || ARCH_S5PV310)
 	depends on GENERIC_CLOCKEVENTS
 	select USE_GENERIC_SMP_HELPERS
-	select HAVE_ARM_SCU if (ARCH_REALVIEW || ARCH_OMAP4 || ARCH_U8500 || ARCH_VEXPRESS_CA9X4)
+	select HAVE_ARM_SCU if (ARCH_REALVIEW || ARCH_OMAP4 || ARCH_U8500 || ARCH_VEXPRESS_CA9X4 ||\
+			ARCH_S5PV310)
 	help
 	  This enables support for systems with more than one CPU. If you have
 	  a system with only one CPU, like most personal computers, say N. If
@@ -1172,9 +1184,10 @@ config HOTPLUG_CPU
 config LOCAL_TIMERS
 	bool "Use local timer interrupts"
 	depends on SMP && (REALVIEW_EB_ARM11MP || MACH_REALVIEW_PB11MP || \
-		REALVIEW_EB_A9MP || MACH_REALVIEW_PBX || ARCH_OMAP4 || ARCH_U8500)
+		REALVIEW_EB_A9MP || MACH_REALVIEW_PBX || ARCH_OMAP4 || \
+		ARCH_U8500 || ARCH_S5PV310)
 	default y
-	select HAVE_ARM_TWD if (ARCH_REALVIEW || ARCH_OMAP4 || ARCH_U8500)
+	select HAVE_ARM_TWD if (ARCH_REALVIEW || ARCH_OMAP4 || ARCH_U8500 || ARCH_S5PV310)
 	help
 	  Enable support for local timers on SMP platforms, rather then the
 	  legacy IPI broadcast method.  Local timers allows the system
@@ -1186,7 +1199,8 @@ source kernel/Kconfig.preempt
 config HZ
 	int
 	default 128 if ARCH_L7200
-	default 200 if ARCH_EBSA110 || ARCH_S3C2410 || ARCH_S5P6440 || ARCH_S5P6442 || ARCH_S5PV210
+	default 200 if ARCH_EBSA110 || ARCH_S3C2410 || ARCH_S5P6440 || ARCH_S5P6442 || \
+		       ARCH_S5PV210 || ARCH_S5PV310
 	default OMAP_32K_TIMER_HZ if ARCH_OMAP && OMAP_32K_TIMER
 	default AT91_TIMER_HZ if ARCH_AT91
 	default 100
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index 64ba313724d..d80c9f98d1b 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -170,6 +170,7 @@ machine-$(CONFIG_ARCH_S5P6440)		:= s5p6440
 machine-$(CONFIG_ARCH_S5P6442)		:= s5p6442
 machine-$(CONFIG_ARCH_S5PC100)		:= s5pc100
 machine-$(CONFIG_ARCH_S5PV210)		:= s5pv210
+machine-$(CONFIG_ARCH_S5PV310)		:= s5pv310
 machine-$(CONFIG_ARCH_SA1100)		:= sa1100
 machine-$(CONFIG_ARCH_SHARK)		:= shark
 machine-$(CONFIG_ARCH_SHMOBILE) 	:= shmobile
diff --git a/arch/arm/mach-s5pv310/Kconfig b/arch/arm/mach-s5pv310/Kconfig
new file mode 100644
index 00000000000..331b5bd97ab
--- /dev/null
+++ b/arch/arm/mach-s5pv310/Kconfig
@@ -0,0 +1,45 @@
+# 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 PLAT_S5P
+	help
+	  Enable S5PV310 CPU support
+
+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.
+
+# machine support
+
+config MACH_SMDKV310
+	bool "SMDKV310"
+	select CPU_S5PV310
+	select ARCH_SPARSEMEM_ENABLE
+	help
+	  Machine support for Samsung SMDKV310
+
+config MACH_UNIVERSAL_C210
+	bool "Mobile UNIVERSAL_C210 Board"
+	select CPU_S5PV310
+	select ARCH_SPARSEMEM_ENABLE
+	help
+	  Machine support for Samsung Mobile Universal S5PC210 Reference
+	  Board. S5PC210(MCP) is one of package option of S5PV310
+
+endif
diff --git a/arch/arm/mach-s5pv310/Makefile b/arch/arm/mach-s5pv310/Makefile
new file mode 100644
index 00000000000..d5b51c72340
--- /dev/null
+++ b/arch/arm/mach-s5pv310/Makefile
@@ -0,0 +1,30 @@
+# 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
+
+obj-$(CONFIG_SMP)		+= platsmp.o headsmp.o
+obj-$(CONFIG_LOCAL_TIMERS)	+= localtimer.o
+obj-$(CONFIG_HOTPLUG_CPU)	+= hotplug.o
+
+# machine support
+
+obj-$(CONFIG_MACH_SMDKV310)	+= mach-smdkv310.o
+obj-$(CONFIG_MACH_UNIVERSAL_C210)	+= mach-universal_c210.o
+
+# device support
+
+obj-$(CONFIG_S5PV310_SETUP_I2C1)	+= setup-i2c1.o
+obj-$(CONFIG_S5PV310_SETUP_I2C2)	+= setup-i2c2.o
diff --git a/arch/arm/mach-s5pv310/Makefile.boot b/arch/arm/mach-s5pv310/Makefile.boot
new file mode 100644
index 00000000000..d65956ffb43
--- /dev/null
+++ b/arch/arm/mach-s5pv310/Makefile.boot
@@ -0,0 +1,2 @@
+   zreladdr-y	:= 0x40008000
+params_phys-y	:= 0x40000100
diff --git a/arch/arm/mach-s5pv310/clock.c b/arch/arm/mach-s5pv310/clock.c
new file mode 100644
index 00000000000..77f2b4d85e6
--- /dev/null
+++ b/arch/arm/mach-s5pv310/clock.c
@@ -0,0 +1,544 @@
+/* linux/arch/arm/mach-s5pv310/clock.c
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * S5PV310 - 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
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/kernel.h>
+#include <linux/err.h>
+#include <linux/io.h>
+
+#include <plat/cpu-freq.h>
+#include <plat/clock.h>
+#include <plat/cpu.h>
+#include <plat/pll.h>
+#include <plat/s5p-clock.h>
+#include <plat/clock-clksrc.h>
+
+#include <mach/map.h>
+#include <mach/regs-clock.h>
+
+static struct clk clk_sclk_hdmi27m = {
+	.name		= "sclk_hdmi27m",
+	.id		= -1,
+	.rate		= 27000000,
+};
+
+/* Core list of CMU_CPU side */
+
+static struct clksrc_clk clk_mout_apll = {
+	.clk	= {
+		.name		= "mout_apll",
+		.id		= -1,
+	},
+	.sources	= &clk_src_apll,
+	.reg_src	= { .reg = S5P_CLKSRC_CPU, .shift = 0, .size = 1 },
+	.reg_div	= { .reg = S5P_CLKDIV_CPU, .shift = 24, .size = 3 },
+};
+
+static struct clksrc_clk clk_mout_epll = {
+	.clk	= {
+		.name		= "mout_epll",
+		.id		= -1,
+	},
+	.sources	= &clk_src_epll,
+	.reg_src	= { .reg = S5P_CLKSRC_TOP0, .shift = 4, .size = 1 },
+};
+
+static struct clksrc_clk clk_mout_mpll = {
+	.clk = {
+		.name		= "mout_mpll",
+		.id		= -1,
+	},
+	.sources	= &clk_src_mpll,
+	.reg_src	= { .reg = S5P_CLKSRC_CPU, .shift = 8, .size = 1 },
+};
+
+static struct clk *clkset_moutcore_list[] = {
+	[0] = &clk_mout_apll.clk,
+	[1] = &clk_mout_mpll.clk,
+};
+
+static struct clksrc_sources clkset_moutcore = {
+	.sources	= clkset_moutcore_list,
+	.nr_sources	= ARRAY_SIZE(clkset_moutcore_list),
+};
+
+static struct clksrc_clk clk_moutcore = {
+	.clk	= {
+		.name		= "moutcore",
+		.id		= -1,
+	},
+	.sources	= &clkset_moutcore,
+	.reg_src	= { .reg = S5P_CLKSRC_CPU, .shift = 16, .size = 1 },
+};
+
+static struct clksrc_clk clk_coreclk = {
+	.clk	= {
+		.name		= "core_clk",
+		.id		= -1,
+		.parent		= &clk_moutcore.clk,
+	},
+	.reg_div	= { .reg = S5P_CLKDIV_CPU, .shift = 0, .size = 3 },
+};
+
+static struct clksrc_clk clk_armclk = {
+	.clk	= {
+		.name		= "armclk",
+		.id		= -1,
+		.parent		= &clk_coreclk.clk,
+	},
+};
+
+static struct clksrc_clk clk_aclk_corem0 = {
+	.clk	= {
+		.name		= "aclk_corem0",
+		.id		= -1,
+		.parent		= &clk_coreclk.clk,
+	},
+	.reg_div	= { .reg = S5P_CLKDIV_CPU, .shift = 4, .size = 3 },
+};
+
+static struct clksrc_clk clk_aclk_cores = {
+	.clk	= {
+		.name		= "aclk_cores",
+		.id		= -1,
+		.parent		= &clk_coreclk.clk,
+	},
+	.reg_div	= { .reg = S5P_CLKDIV_CPU, .shift = 4, .size = 3 },
+};
+
+static struct clksrc_clk clk_aclk_corem1 = {
+	.clk	= {
+		.name		= "aclk_corem1",
+		.id		= -1,
+		.parent		= &clk_coreclk.clk,
+	},
+	.reg_div	= { .reg = S5P_CLKDIV_CPU, .shift = 8, .size = 3 },
+};
+
+static struct clksrc_clk clk_periphclk = {
+	.clk	= {
+		.name		= "periphclk",
+		.id		= -1,
+		.parent		= &clk_coreclk.clk,
+	},
+	.reg_div	= { .reg = S5P_CLKDIV_CPU, .shift = 12, .size = 3 },
+};
+
+static struct clksrc_clk clk_atclk = {
+	.clk	= {
+		.name		= "atclk",
+		.id		= -1,
+		.parent		= &clk_moutcore.clk,
+	},
+	.reg_div	= { .reg = S5P_CLKDIV_CPU, .shift = 16, .size = 3 },
+};
+
+static struct clksrc_clk clk_pclk_dbg = {
+	.clk	= {
+		.name		= "pclk_dbg",
+		.id		= -1,
+		.parent		= &clk_atclk.clk,
+	},
+	.reg_div	= { .reg = S5P_CLKDIV_CPU, .shift = 20, .size = 3 },
+};
+
+/* Core list of CMU_CORE side */
+
+static struct clk *clkset_corebus_list[] = {
+	[0] = &clk_mout_mpll.clk,
+	[1] = &clk_mout_apll.clk,
+};
+
+static struct clksrc_sources clkset_mout_corebus = {
+	.sources	= clkset_corebus_list,
+	.nr_sources	= ARRAY_SIZE(clkset_corebus_list),
+};
+
+static struct clksrc_clk clk_mout_corebus = {
+	.clk	= {
+		.name		= "mout_corebus",
+		.id		= -1,
+	},
+	.sources	= &clkset_mout_corebus,
+	.reg_src	= { .reg = S5P_CLKSRC_CORE, .shift = 4, .size = 1 },
+};
+
+static struct clksrc_clk clk_sclk_dmc = {
+	.clk	= {
+		.name		= "sclk_dmc",
+		.id		= -1,
+		.parent		= &clk_mout_corebus.clk,
+	},
+	.reg_div	= { .reg = S5P_CLKDIV_CORE0, .shift = 12, .size = 3 },
+};
+
+static struct clksrc_clk clk_aclk_cored = {
+	.clk	= {
+		.name		= "aclk_cored",
+		.id		= -1,
+		.parent		= &clk_sclk_dmc.clk,
+	},
+	.reg_div	= { .reg = S5P_CLKDIV_CORE0, .shift = 16, .size = 3 },
+};
+
+static struct clksrc_clk clk_aclk_corep = {
+	.clk	= {
+		.name		= "aclk_corep",
+		.id		= -1,
+		.parent		= &clk_aclk_cored.clk,
+	},
+	.reg_div	= { .reg = S5P_CLKDIV_CORE0, .shift = 20, .size = 3 },
+};
+
+static struct clksrc_clk clk_aclk_acp = {
+	.clk	= {
+		.name		= "aclk_acp",
+		.id		= -1,
+		.parent		= &clk_mout_corebus.clk,
+	},
+	.reg_div	= { .reg = S5P_CLKDIV_CORE0, .shift = 0, .size = 3 },
+};
+
+static struct clksrc_clk clk_pclk_acp = {
+	.clk	= {
+		.name		= "pclk_acp",
+		.id		= -1,
+		.parent		= &clk_aclk_acp.clk,
+	},
+	.reg_div	= { .reg = S5P_CLKDIV_CORE0, .shift = 4, .size = 3 },
+};
+
+/* Core list of CMU_TOP side */
+
+static struct clk *clkset_aclk_top_list[] = {
+	[0] = &clk_mout_mpll.clk,
+	[1] = &clk_mout_apll.clk,
+};
+
+static struct clksrc_sources clkset_aclk_200 = {
+	.sources	= clkset_aclk_top_list,
+	.nr_sources	= ARRAY_SIZE(clkset_aclk_top_list),
+};
+
+static struct clksrc_clk clk_aclk_200 = {
+	.clk	= {
+		.name		= "aclk_200",
+		.id		= -1,
+	},
+	.sources	= &clkset_aclk_200,
+	.reg_src	= { .reg = S5P_CLKSRC_TOP0, .shift = 12, .size = 1 },
+	.reg_div	= { .reg = S5P_CLKDIV_TOP, .shift = 0, .size = 3 },
+};
+
+static struct clksrc_sources clkset_aclk_100 = {
+	.sources	= clkset_aclk_top_list,
+	.nr_sources	= ARRAY_SIZE(clkset_aclk_top_list),
+};
+
+static struct clksrc_clk clk_aclk_100 = {
+	.clk	= {
+		.name		= "aclk_100",
+		.id		= -1,
+	},
+	.sources	= &clkset_aclk_100,
+	.reg_src	= { .reg = S5P_CLKSRC_TOP0, .shift = 16, .size = 1 },
+	.reg_div	= { .reg = S5P_CLKDIV_TOP, .shift = 4, .size = 4 },
+};
+
+static struct clksrc_sources clkset_aclk_160 = {
+	.sources	= clkset_aclk_top_list,
+	.nr_sources	= ARRAY_SIZE(clkset_aclk_top_list),
+};
+
+static struct clksrc_clk clk_aclk_160 = {
+	.clk	= {
+		.name		= "aclk_160",
+		.id		= -1,
+	},
+	.sources	= &clkset_aclk_160,
+	.reg_src	= { .reg = S5P_CLKSRC_TOP0, .shift = 20, .size = 1 },
+	.reg_div	= { .reg = S5P_CLKDIV_TOP, .shift = 8, .size = 3 },
+};
+
+static struct clksrc_sources clkset_aclk_133 = {
+	.sources	= clkset_aclk_top_list,
+	.nr_sources	= ARRAY_SIZE(clkset_aclk_top_list),
+};
+
+static struct clksrc_clk clk_aclk_133 = {
+	.clk	= {
+		.name		= "aclk_133",
+		.id		= -1,
+	},
+	.sources	= &clkset_aclk_133,
+	.reg_src	= { .reg = S5P_CLKSRC_TOP0, .shift = 24, .size = 1 },
+	.reg_div	= { .reg = S5P_CLKDIV_TOP, .shift = 12, .size = 3 },
+};
+
+static struct clk *clkset_vpllsrc_list[] = {
+	[0] = &clk_fin_vpll,
+	[1] = &clk_sclk_hdmi27m,
+};
+
+static struct clksrc_sources clkset_vpllsrc = {
+	.sources	= clkset_vpllsrc_list,
+	.nr_sources	= ARRAY_SIZE(clkset_vpllsrc_list),
+};
+
+static struct clksrc_clk clk_vpllsrc = {
+	.clk	= {
+		.name		= "vpll_src",
+		.id		= -1,
+	},
+	.sources	= &clkset_vpllsrc,
+	.reg_src	= { .reg = S5P_CLKSRC_TOP1, .shift = 0, .size = 1 },
+};
+
+static struct clk *clkset_sclk_vpll_list[] = {
+	[0] = &clk_vpllsrc.clk,
+	[1] = &clk_fout_vpll,
+};
+
+static struct clksrc_sources clkset_sclk_vpll = {
+	.sources	= clkset_sclk_vpll_list,
+	.nr_sources	= ARRAY_SIZE(clkset_sclk_vpll_list),
+};
+
+static struct clksrc_clk clk_sclk_vpll = {
+	.clk	= {
+		.name		= "sclk_vpll",
+		.id		= -1,
+	},
+	.sources	= &clkset_sclk_vpll,
+	.reg_src	= { .reg = S5P_CLKSRC_TOP0, .shift = 8, .size = 1 },
+};
+
+static int s5pv310_clk_ip_peril_ctrl(struct clk *clk, int enable)
+{
+	return s5p_gatectrl(S5P_CLKGATE_IP_PERIL, clk, enable);
+}
+
+static struct clk init_clocks_disable[] = {
+	{
+		.name		= "timers",
+		.id		= -1,
+		.parent		= &clk_aclk_100.clk,
+		.enable		= s5pv310_clk_ip_peril_ctrl,
+		.ctrlbit	= (1<<24),
+	}
+};
+
+static struct clk init_clocks[] = {
+	/* Nothing here yet */
+};
+
+static struct clk *clkset_group_list[] = {
+	[0] = &clk_ext_xtal_mux,
+	[1] = &clk_xusbxti,
+	[2] = &clk_sclk_hdmi27m,
+	[6] = &clk_mout_mpll.clk,
+	[7] = &clk_mout_epll.clk,
+	[8] = &clk_sclk_vpll.clk,
+};
+
+static struct clksrc_sources clkset_group = {
+	.sources	= clkset_group_list,
+	.nr_sources	= ARRAY_SIZE(clkset_group_list),
+};
+
+static struct clksrc_clk clksrcs[] = {
+	{
+		.clk	= {
+			.name		= "uclk1",
+			.id		= 0,
+			.ctrlbit	= (1 << 0),
+			.enable		= s5pv310_clk_ip_peril_ctrl,
+		},
+		.sources = &clkset_group,
+		.reg_src = { .reg = S5P_CLKSRC_PERIL0, .shift = 0, .size = 4 },
+		.reg_div = { .reg = S5P_CLKDIV_PERIL0, .shift = 0, .size = 4 },
+	}, {
+		.clk		= {
+			.name		= "uclk1",
+			.id		= 1,
+			.enable		= s5pv310_clk_ip_peril_ctrl,
+			.ctrlbit	= (1 << 1),
+		},
+		.sources = &clkset_group,
+		.reg_src = { .reg = S5P_CLKSRC_PERIL0, .shift = 4, .size = 4 },
+		.reg_div = { .reg = S5P_CLKDIV_PERIL0, .shift = 4, .size = 4 },
+	}, {
+		.clk		= {
+			.name		= "uclk1",
+			.id		= 2,
+			.enable		= s5pv310_clk_ip_peril_ctrl,
+			.ctrlbit	= (1 << 2),
+		},
+		.sources = &clkset_group,
+		.reg_src = { .reg = S5P_CLKSRC_PERIL0, .shift = 8, .size = 4 },
+		.reg_div = { .reg = S5P_CLKDIV_PERIL0, .shift = 8, .size = 4 },
+	}, {
+		.clk		= {
+			.name		= "uclk1",
+			.id		= 3,
+			.enable		= s5pv310_clk_ip_peril_ctrl,
+			.ctrlbit	= (1 << 3),
+		},
+		.sources = &clkset_group,
+		.reg_src = { .reg = S5P_CLKSRC_PERIL0, .shift = 12, .size = 4 },
+		.reg_div = { .reg = S5P_CLKDIV_PERIL0, .shift = 12, .size = 4 },
+	}, {
+		.clk		= {
+			.name		= "sclk_pwm",
+			.id		= -1,
+			.enable		= s5pv310_clk_ip_peril_ctrl,
+			.ctrlbit	= (1 << 24),
+		},
+		.sources = &clkset_group,
+		.reg_src = { .reg = S5P_CLKSRC_PERIL0, .shift = 24, .size = 4 },
+		.reg_div = { .reg = S5P_CLKDIV_PERIL3, .shift = 0, .size = 4 },
+	},
+};
+
+/* Clock initialization code */
+static struct clksrc_clk *sysclks[] = {
+	&clk_mout_apll,
+	&clk_mout_epll,
+	&clk_mout_mpll,
+	&clk_moutcore,
+	&clk_coreclk,
+	&clk_armclk,
+	&clk_aclk_corem0,
+	&clk_aclk_cores,
+	&clk_aclk_corem1,
+	&clk_periphclk,
+	&clk_atclk,
+	&clk_pclk_dbg,
+	&clk_mout_corebus,
+	&clk_sclk_dmc,
+	&clk_aclk_cored,
+	&clk_aclk_corep,
+	&clk_aclk_acp,
+	&clk_pclk_acp,
+	&clk_vpllsrc,
+	&clk_sclk_vpll,
+	&clk_aclk_200,
+	&clk_aclk_100,
+	&clk_aclk_160,
+	&clk_aclk_133,
+};
+
+void __init_or_cpufreq s5pv310_setup_clocks(void)
+{
+	struct clk *xtal_clk;
+	unsigned long apll;
+	unsigned long mpll;
+	unsigned long epll;
+	unsigned long vpll;
+	unsigned long vpllsrc;
+	unsigned long xtal;
+	unsigned long armclk;
+	unsigned long aclk_corem0;
+	unsigned long aclk_cores;
+	unsigned long aclk_corem1;
+	unsigned long periphclk;
+	unsigned long sclk_dmc;
+	unsigned long aclk_cored;
+	unsigned long aclk_corep;
+	unsigned long aclk_acp;
+	unsigned long pclk_acp;
+	unsigned int ptr;
+
+	printk(KERN_DEBUG "%s: registering clocks\n", __func__);
+
+	xtal_clk = clk_get(NULL, "xtal");
+	BUG_ON(IS_ERR(xtal_clk));
+
+	xtal = clk_get_rate(xtal_clk);
+	clk_put(xtal_clk);
+
+	printk(KERN_DEBUG "%s: xtal is %ld\n", __func__, xtal);
+
+	apll = s5p_get_pll45xx(xtal, __raw_readl(S5P_APLL_CON0), pll_4508);
+	mpll = s5p_get_pll45xx(xtal, __raw_readl(S5P_MPLL_CON0), pll_4508);
+	epll = s5p_get_pll46xx(xtal, __raw_readl(S5P_EPLL_CON0),
+				__raw_readl(S5P_EPLL_CON1), pll_4500);
+
+	vpllsrc = clk_get_rate(&clk_vpllsrc.clk);
+	vpll = s5p_get_pll46xx(vpllsrc, __raw_readl(S5P_VPLL_CON0),
+				__raw_readl(S5P_VPLL_CON1), pll_4502);
+
+	clk_fout_apll.rate = apll;
+	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",
+			apll, mpll, epll, vpll);
+
+	armclk = clk_get_rate(&clk_armclk.clk);
+	aclk_corem0 = clk_get_rate(&clk_aclk_corem0.clk);
+	aclk_cores = clk_get_rate(&clk_aclk_cores.clk);
+	aclk_corem1 = clk_get_rate(&clk_aclk_corem1.clk);
+	periphclk = clk_get_rate(&clk_periphclk.clk);
+	sclk_dmc = clk_get_rate(&clk_sclk_dmc.clk);
+	aclk_cored = clk_get_rate(&clk_aclk_cored.clk);
+	aclk_corep = clk_get_rate(&clk_aclk_corep.clk);
+	aclk_acp = clk_get_rate(&clk_aclk_acp.clk);
+	pclk_acp = clk_get_rate(&clk_pclk_acp.clk);
+
+	printk(KERN_INFO "S5PV310: ARMCLK=%ld, COREM0=%ld, CORES=%ld\n"
+			 "COREM1=%ld, PERI=%ld, DMC=%ld, CORED=%ld\n"
+			 "COREP=%ld, ACLK_ACP=%ld, PCLK_ACP=%ld",
+			armclk, aclk_corem0, aclk_cores, aclk_corem1,
+			periphclk, sclk_dmc, aclk_cored, aclk_corep,
+			aclk_acp, pclk_acp);
+
+	clk_f.rate = armclk;
+	clk_h.rate = sclk_dmc;
+	clk_p.rate = periphclk;
+
+	for (ptr = 0; ptr < ARRAY_SIZE(clksrcs); ptr++)
+		s3c_set_clksrc(&clksrcs[ptr], true);
+}
+
+static struct clk *clks[] __initdata = {
+	/* Nothing here yet */
+};
+
+void __init s5pv310_register_clocks(void)
+{
+	struct clk *clkp;
+	int ret;
+	int ptr;
+
+	ret = s3c24xx_register_clocks(clks, ARRAY_SIZE(clks));
+	if (ret > 0)
+		printk(KERN_ERR "Failed to register %u clocks\n", ret);
+
+	for (ptr = 0; ptr < ARRAY_SIZE(sysclks); ptr++)
+		s3c_register_clksrc(sysclks[ptr], 1);
+
+	s3c_register_clksrc(clksrcs, ARRAY_SIZE(clksrcs));
+	s3c_register_clocks(init_clocks, ARRAY_SIZE(init_clocks));
+
+	clkp = init_clocks_disable;
+	for (ptr = 0; ptr < ARRAY_SIZE(init_clocks_disable); ptr++, clkp++) {
+		ret = s3c24xx_register_clock(clkp);
+		if (ret < 0) {
+			printk(KERN_ERR "Failed to register clock %s (%d)\n",
+			       clkp->name, ret);
+		}
+		(clkp->enable)(clkp, 0);
+	}
+
+	s3c_pwmclk_init();
+}
diff --git a/arch/arm/mach-s5pv310/cpu.c b/arch/arm/mach-s5pv310/cpu.c
new file mode 100644
index 00000000000..196c9f12ed8
--- /dev/null
+++ b/arch/arm/mach-s5pv310/cpu.c
@@ -0,0 +1,122 @@
+/* linux/arch/arm/mach-s5pv310/cpu.c
+ *
+ * Copyright (c) 2010 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/sched.h>
+#include <linux/sysdev.h>
+
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include <asm/proc-fns.h>
+
+#include <plat/cpu.h>
+#include <plat/clock.h>
+#include <plat/s5pv310.h>
+
+#include <mach/regs-irq.h>
+
+void __iomem *gic_cpu_base_addr;
+
+extern int combiner_init(unsigned int combiner_nr, void __iomem *base,
+			 unsigned int irq_start);
+extern void combiner_cascade_irq(unsigned int combiner_nr, unsigned int irq);
+
+/* Initial IO mappings */
+static struct map_desc s5pv310_iodesc[] __initdata = {
+	{
+		.virtual	= (unsigned long)S5P_VA_COREPERI_BASE,
+		.pfn		= __phys_to_pfn(S5PV310_PA_COREPERI),
+		.length		= SZ_8K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)S5P_VA_COMBINER_BASE,
+		.pfn		= __phys_to_pfn(S5PV310_PA_COMBINER),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)S5P_VA_L2CC,
+		.pfn		= __phys_to_pfn(S5PV310_PA_L2CC),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	},
+};
+
+static void s5pv310_idle(void)
+{
+	if (!need_resched())
+		cpu_do_idle();
+
+	local_irq_enable();
+}
+
+/* s5pv310_map_io
+ *
+ * register the standard cpu IO areas
+*/
+void __init s5pv310_map_io(void)
+{
+	iotable_init(s5pv310_iodesc, ARRAY_SIZE(s5pv310_iodesc));
+}
+
+void __init s5pv310_init_clocks(int xtal)
+{
+	printk(KERN_DEBUG "%s: initializing clocks\n", __func__)