ARM: EXYNOS4: Add EXYNOS4 CPU initialization support

This patch adds EXYNOS4 CPU support files in mach-exynos4,
and basically they are moved from mach-s5pv310 so that it
can support Samsung's new CPU name, EXYNOS4.
The EXYNOS4 ingegrates a ARM Cortex A9 multi-core.

Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

27 files changed, 0 insertions, 2517 deletions

diff --git a/arch/arm/mach-s5pv310/cpu.c b/arch/arm/mach-s5pv310/cpu.c
deleted file mode 100644
index 0db0fb65bd7..00000000000
--- a/arch/arm/mach-s5pv310/cpu.c
+++ /dev/null
@@ -1,202 +0,0 @@
-/* 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 <asm/hardware/cache-l2x0.h>
-
-#include <plat/cpu.h>
-#include <plat/clock.h>
-#include <plat/s5pv310.h>
-#include <plat/sdhci.h>
-
-#include <mach/regs-irq.h>
-
-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_SYSRAM,
-		.pfn		= __phys_to_pfn(S5PV310_PA_SYSRAM),
-		.length		= SZ_4K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)S5P_VA_CMU,
-		.pfn		= __phys_to_pfn(S5PV310_PA_CMU),
-		.length		= SZ_128K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)S5P_VA_PMU,
-		.pfn		= __phys_to_pfn(S5PV310_PA_PMU),
-		.length		= SZ_64K,
-		.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_COREPERI_BASE,
-		.pfn		= __phys_to_pfn(S5PV310_PA_COREPERI),
-		.length		= SZ_8K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)S5P_VA_L2CC,
-		.pfn		= __phys_to_pfn(S5PV310_PA_L2CC),
-		.length		= SZ_4K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)S5P_VA_GPIO1,
-		.pfn		= __phys_to_pfn(S5PV310_PA_GPIO1),
-		.length		= SZ_4K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)S5P_VA_GPIO2,
-		.pfn		= __phys_to_pfn(S5PV310_PA_GPIO2),
-		.length		= SZ_4K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)S5P_VA_GPIO3,
-		.pfn		= __phys_to_pfn(S5PV310_PA_GPIO3),
-		.length		= SZ_256,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)S5P_VA_DMC0,
-		.pfn		= __phys_to_pfn(S5PV310_PA_DMC0),
-		.length		= SZ_4K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)S3C_VA_UART,
-		.pfn		= __phys_to_pfn(S3C_PA_UART),
-		.length		= SZ_512K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)S5P_VA_SROMC,
-		.pfn		= __phys_to_pfn(S5PV310_PA_SROMC),
-		.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));
-
-	/* initialize device information early */
-	s5pv310_default_sdhci0();
-	s5pv310_default_sdhci1();
-	s5pv310_default_sdhci2();
-	s5pv310_default_sdhci3();
-}
-
-void __init s5pv310_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();
-}
-
-void __init s5pv310_init_irq(void)
-{
-	int irq;
-
-	gic_init(0, IRQ_LOCALTIMER, S5P_VA_GIC_DIST, S5P_VA_GIC_CPU);
-
-	for (irq = 0; irq < MAX_COMBINER_NR; irq++) {
-
-		/*
-		 * From SPI(0) to SPI(39) and SPI(51), SPI(53) are
-		 * connected to the interrupt combiner. These irqs
-		 * should be initialized to support cascade interrupt.
-		 */
-		if ((irq >= 40) && !(irq == 51) && !(irq == 53))
-			continue;
-
-		combiner_init(irq, (void __iomem *)S5P_VA_COMBINER(irq),
-				COMBINER_IRQ(irq, 0));
-		combiner_cascade_irq(irq, IRQ_SPI(irq));
-	}
-
-	/* The parameters of s5p_init_irq() are for VIC init.
-	 * Theses parameters should be NULL and 0 because S5PV310
-	 * uses GIC instead of VIC.
-	 */
-	s5p_init_irq(NULL, 0);
-}
-
-struct sysdev_class s5pv310_sysclass = {
-	.name	= "s5pv310-core",
-};
-
-static struct sys_device s5pv310_sysdev = {
-	.cls	= &s5pv310_sysclass,
-};
-
-static int __init s5pv310_core_init(void)
-{
-	return sysdev_class_register(&s5pv310_sysclass);
-}
-
-core_initcall(s5pv310_core_init);
-
-#ifdef CONFIG_CACHE_L2X0
-static int __init s5pv310_l2x0_cache_init(void)
-{
-	/* TAG, Data Latency Control: 2cycle */
-	__raw_writel(0x110, S5P_VA_L2CC + L2X0_TAG_LATENCY_CTRL);
-	__raw_writel(0x110, S5P_VA_L2CC + L2X0_DATA_LATENCY_CTRL);
-
-	/* L2X0 Prefetch Control */
-	__raw_writel(0x30000007, S5P_VA_L2CC + L2X0_PREFETCH_CTRL);
-
-	/* L2X0 Power Control */
-	__raw_writel(L2X0_DYNAMIC_CLK_GATING_EN | L2X0_STNDBY_MODE_EN,
-		     S5P_VA_L2CC + L2X0_POWER_CTRL);
-
-	l2x0_init(S5P_VA_L2CC, 0x7C470001, 0xC200ffff);
-
-	return 0;
-}
-
-early_initcall(s5pv310_l2x0_cache_init);
-#endif
-
-int __init s5pv310_init(void)
-{
-	printk(KERN_INFO "S5PV310: Initializing architecture\n");
-
-	/* set idle function */
-	pm_idle = s5pv310_idle;
-
-	return sysdev_register(&s5pv310_sysdev);
-}
diff --git a/arch/arm/mach-s5pv310/cpufreq.c b/arch/arm/mach-s5pv310/cpufreq.c
deleted file mode 100644
index b04cbc73112..00000000000
--- a/arch/arm/mach-s5pv310/cpufreq.c
+++ /dev/null
@@ -1,580 +0,0 @@
-/* linux/arch/arm/mach-s5pv310/cpufreq.c
- *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com
- *
- * S5PV310 - 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
- * published by the Free Software Foundation.
-*/
-
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/err.h>
-#include <linux/clk.h>
-#include <linux/io.h>
-#include <linux/slab.h>
-#include <linux/regulator/consumer.h>
-#include <linux/cpufreq.h>
-
-#include <mach/map.h>
-#include <mach/regs-clock.h>
-#include <mach/regs-mem.h>
-
-#include <plat/clock.h>
-#include <plat/pm.h>
-
-static struct clk *cpu_clk;
-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 {
-	DDR2 = 4,
-	LPDDR2,
-	DDR3,
-};
-
-enum cpufreq_level_index {
-	L0, L1, L2, L3, CPUFREQ_LEVEL_END,
-};
-
-static struct cpufreq_frequency_table s5pv310_freq_table[] = {
-	{L0, 1000*1000},
-	{L1, 800*1000},
-	{L2, 400*1000},
-	{L3, 100*1000},
-	{0, CPUFREQ_TABLE_END},
-};
-
-static unsigned int clkdiv_cpu0[CPUFREQ_LEVEL_END][7] = {
-	/*
-	 * Clock divider value for following
-	 * { DIVCORE, DIVCOREM0, DIVCOREM1, DIVPERIPH,
-	 *		DIVATB, DIVPCLK_DBG, DIVAPLL }
-	 */
-
-	/* ARM L0: 1000MHz */
-	{ 0, 3, 7, 3, 3, 0, 1 },
-
-	/* ARM L1: 800MHz */
-	{ 0, 3, 7, 3, 3, 0, 1 },
-
-	/* ARM L2: 400MHz */
-	{ 0, 1, 3, 1, 3, 0, 1 },
-
-	/* ARM L3: 100MHz */
-	{ 0, 0, 1, 0, 3, 1, 1 },
-};
-
-static unsigned int clkdiv_cpu1[CPUFREQ_LEVEL_END][2] = {
-	/*
-	 * Clock divider value for following
-	 * { DIVCOPY, DIVHPM }
-	 */
-
-	 /* ARM L0: 1000MHz */
-	{ 3, 0 },
-
-	/* ARM L1: 800MHz */
-	{ 3, 0 },
-
-	/* ARM L2: 400MHz */
-	{ 3, 0 },
-
-	/* ARM L3: 100MHz */
-	{ 3, 0 },
-};
-
-static unsigned int clkdiv_dmc0[CPUFREQ_LEVEL_END][8] = {
-	/*
-	 * Clock divider value for following
-	 * { DIVACP, DIVACP_PCLK, DIVDPHY, DIVDMC, DIVDMCD
-	 *		DIVDMCP, DIVCOPY2, DIVCORE_TIMERS }
-	 */
-
-	/* DMC L0: 400MHz */
-	{ 3, 1, 1, 1, 1, 1, 3, 1 },
-
-	/* DMC L1: 400MHz */
-	{ 3, 1, 1, 1, 1, 1, 3, 1 },
-
-	/* DMC L2: 266.7MHz */
-	{ 7, 1, 1, 2, 1, 1, 3, 1 },
-
-	/* DMC L3: 200MHz */
-	{ 7, 1, 1, 3, 1, 1, 3, 1 },
-};
-
-static unsigned int clkdiv_top[CPUFREQ_LEVEL_END][5] = {
-	/*
-	 * Clock divider value for following
-	 * { DIVACLK200, DIVACLK100, DIVACLK160, DIVACLK133, DIVONENAND }
-	 */
-
-	/* ACLK200 L0: 200MHz */
-	{ 3, 7, 4, 5, 1 },
-
-	/* ACLK200 L1: 200MHz */
-	{ 3, 7, 4, 5, 1 },
-
-	/* ACLK200 L2: 160MHz */
-	{ 4, 7, 5, 7, 1 },
-
-	/* ACLK200 L3: 133.3MHz */
-	{ 5, 7, 7, 7, 1 },
-};
-
-static unsigned int clkdiv_lr_bus[CPUFREQ_LEVEL_END][2] = {
-	/*
-	 * Clock divider value for following
-	 * { DIVGDL/R, DIVGPL/R }
-	 */
-
-	/* ACLK_GDL/R L0: 200MHz */
-	{ 3, 1 },
-
-	/* ACLK_GDL/R L1: 200MHz */
-	{ 3, 1 },
-
-	/* ACLK_GDL/R L2: 160MHz */
-	{ 4, 1 },
-
-	/* ACLK_GDL/R L3: 133.3MHz */
-	{ 5, 1 },
-};
-
-struct cpufreq_voltage_table {
-	unsigned int	index;		/* any */
-	unsigned int	arm_volt;	/* uV */
-	unsigned int	int_volt;
-};
-
-static struct cpufreq_voltage_table s5pv310_volt_table[CPUFREQ_LEVEL_END] = {
-	{
-		.index		= L0,
-		.arm_volt	= 1200000,
-		.int_volt	= 1100000,
-	}, {
-		.index		= L1,
-		.arm_volt	= 1100000,
-		.int_volt	= 1100000,
-	}, {
-		.index		= L2,
-		.arm_volt	= 1000000,
-		.int_volt	= 1000000,
-	}, {
-		.index		= L3,
-		.arm_volt	= 900000,
-		.int_volt	= 1000000,
-	},
-};
-
-static unsigned int s5pv310_apll_pms_table[CPUFREQ_LEVEL_END] = {
-	/* APLL FOUT L0: 1000MHz */
-	((250 << 16) | (6 << 8) | 1),
-
-	/* APLL FOUT L1: 800MHz */
-	((200 << 16) | (6 << 8) | 1),
-
-	/* APLL FOUT L2 : 400MHz */
-	((200 << 16) | (6 << 8) | 2),
-
-	/* APLL FOUT L3: 100MHz */
-	((200 << 16) | (6 << 8) | 4),
-};
-
-int s5pv310_verify_speed(struct cpufreq_policy *policy)
-{
-	return cpufreq_frequency_table_verify(policy, s5pv310_freq_table);
-}
-
-unsigned int s5pv310_getspeed(unsigned int cpu)
-{
-	return clk_get_rate(cpu_clk) / 1000;
-}
-
-void s5pv310_set_clkdiv(unsigned int div_index)
-{
-	unsigned int tmp;
-
-	/* Change Divider - CPU0 */
-
-	tmp = __raw_readl(S5P_CLKDIV_CPU);
-
-	tmp &= ~(S5P_CLKDIV_CPU0_CORE_MASK | S5P_CLKDIV_CPU0_COREM0_MASK |
-		S5P_CLKDIV_CPU0_COREM1_MASK | S5P_CLKDIV_CPU0_PERIPH_MASK |
-		S5P_CLKDIV_CPU0_ATB_MASK | S5P_CLKDIV_CPU0_PCLKDBG_MASK |
-		S5P_CLKDIV_CPU0_APLL_MASK);
-
-	tmp |= ((clkdiv_cpu0[div_index][0] << S5P_CLKDIV_CPU0_CORE_SHIFT) |
-		(clkdiv_cpu0[div_index][1] << S5P_CLKDIV_CPU0_COREM0_SHIFT) |
-		(clkdiv_cpu0[div_index][2] << S5P_CLKDIV_CPU0_COREM1_SHIFT) |
-		(clkdiv_cpu0[div_index][3] << S5P_CLKDIV_CPU0_PERIPH_SHIFT) |
-		(clkdiv_cpu0[div_index][4] << S5P_CLKDIV_CPU0_ATB_SHIFT) |
-		(clkdiv_cpu0[div_index][5] << S5P_CLKDIV_CPU0_PCLKDBG_SHIFT) |
-		(clkdiv_cpu0[div_index][6] << S5P_CLKDIV_CPU0_APLL_SHIFT));
-
-	__raw_writel(tmp, S5P_CLKDIV_CPU);
-
-	do {
-		tmp = __raw_readl(S5P_CLKDIV_STATCPU);
-	} while (tmp & 0x1111111);
-
-	/* Change Divider - CPU1 */
-
-	tmp = __raw_readl(S5P_CLKDIV_CPU1);
-
-	tmp &= ~((0x7 << 4) | 0x7);
-
-	tmp |= ((clkdiv_cpu1[div_index][0] << 4) |
-		(clkdiv_cpu1[div_index][1] << 0));
-
-	__raw_writel(tmp, S5P_CLKDIV_CPU1);
-
-	do {
-		tmp = __raw_readl(S5P_CLKDIV_STATCPU1);
-	} while (tmp & 0x11);
-
-	/* Change Divider - DMC0 */
-
-	tmp = __raw_readl(S5P_CLKDIV_DMC0);
-
-	tmp &= ~(S5P_CLKDIV_DMC0_ACP_MASK | S5P_CLKDIV_DMC0_ACPPCLK_MASK |
-		S5P_CLKDIV_DMC0_DPHY_MASK | S5P_CLKDIV_DMC0_DMC_MASK |
-		S5P_CLKDIV_DMC0_DMCD_MASK | S5P_CLKDIV_DMC0_DMCP_MASK |
-		S5P_CLKDIV_DMC0_COPY2_MASK | S5P_CLKDIV_DMC0_CORETI_MASK);
-
-	tmp |= ((clkdiv_dmc0[div_index][0] << S5P_CLKDIV_DMC0_ACP_SHIFT) |
-		(clkdiv_dmc0[div_index][1] << S5P_CLKDIV_DMC0_ACPPCLK_SHIFT) |
-		(clkdiv_dmc0[div_index][2] << S5P_CLKDIV_DMC0_DPHY_SHIFT) |
-		(clkdiv_dmc0[div_index][3] << S5P_CLKDIV_DMC0_DMC_SHIFT) |
-		(clkdiv_dmc0[div_index][4] << S5P_CLKDIV_DMC0_DMCD_SHIFT) |
-		(clkdiv_dmc0[div_index][5] << S5P_CLKDIV_DMC0_DMCP_SHIFT) |
-		(clkdiv_dmc0[div_index][6] << S5P_CLKDIV_DMC0_COPY2_SHIFT) |
-		(clkdiv_dmc0[div_index][7] << S5P_CLKDIV_DMC0_CORETI_SHIFT));
-
-	__raw_writel(tmp, S5P_CLKDIV_DMC0);
-
-	do {
-		tmp = __raw_readl(S5P_CLKDIV_STAT_DMC0);
-	} while (tmp & 0x11111111);
-
-	/* Change Divider - TOP */
-
-	tmp = __raw_readl(S5P_CLKDIV_TOP);
-
-	tmp &= ~(S5P_CLKDIV_TOP_ACLK200_MASK | S5P_CLKDIV_TOP_ACLK100_MASK |
-		S5P_CLKDIV_TOP_ACLK160_MASK | S5P_CLKDIV_TOP_ACLK133_MASK |
-		S5P_CLKDIV_TOP_ONENAND_MASK);
-
-	tmp |= ((clkdiv_top[div_index][0] << S5P_CLKDIV_TOP_ACLK200_SHIFT) |
-		(clkdiv_top[div_index][1] << S5P_CLKDIV_TOP_ACLK100_SHIFT) |
-		(clkdiv_top[div_index][2] << S5P_CLKDIV_TOP_ACLK160_SHIFT) |
-		(clkdiv_top[div_index][3] << S5P_CLKDIV_TOP_ACLK133_SHIFT) |
-		(clkdiv_top[div_index][4] << S5P_CLKDIV_TOP_ONENAND_SHIFT));
-
-	__raw_writel(tmp, S5P_CLKDIV_TOP);
-
-	do {
-		tmp = __raw_readl(S5P_CLKDIV_STAT_TOP);
-	} while (tmp & 0x11111);
-
-	/* Change Divider - LEFTBUS */
-
-	tmp = __raw_readl(S5P_CLKDIV_LEFTBUS);
-
-	tmp &= ~(S5P_CLKDIV_BUS_GDLR_MASK | S5P_CLKDIV_BUS_GPLR_MASK);
-
-	tmp |= ((clkdiv_lr_bus[div_index][0] << S5P_CLKDIV_BUS_GDLR_SHIFT) |
-		(clkdiv_lr_bus[div_index][1] << S5P_CLKDIV_BUS_GPLR_SHIFT));
-
-	__raw_writel(tmp, S5P_CLKDIV_LEFTBUS);
-
-	do {
-		tmp = __raw_readl(S5P_CLKDIV_STAT_LEFTBUS);
-	} while (tmp & 0x11);
-
-	/* Change Divider - RIGHTBUS */
-
-	tmp = __raw_readl(S5P_CLKDIV_RIGHTBUS);
-
-	tmp &= ~(S5P_CLKDIV_BUS_GDLR_MASK | S5P_CLKDIV_BUS_GPLR_MASK);
-
-	tmp |= ((clkdiv_lr_bus[div_index][0] << S5P_CLKDIV_BUS_GDLR_SHIFT) |
-		(clkdiv_lr_bus[div_index][1] << S5P_CLKDIV_BUS_GPLR_SHIFT));
-
-	__raw_writel(tmp, S5P_CLKDIV_RIGHTBUS);
-
-	do {
-		tmp = __raw_readl(S5P_CLKDIV_STAT_RIGHTBUS);
-	} while (tmp & 0x11);
-}
-
-static void s5pv310_set_apll(unsigned int index)
-{
-	unsigned int tmp;
-
-	/* 1. MUX_CORE_SEL = MPLL, ARMCLK uses MPLL for lock time */
-	clk_set_parent(moutcore, mout_mpll);
-
-	do {
-		tmp = (__raw_readl(S5P_CLKMUX_STATCPU)
-			>> S5P_CLKSRC_CPU_MUXCORE_SHIFT);
-		tmp &= 0x7;
-	} while (tmp != 0x2);
-
-	/* 2. Set APLL Lock time */
-	__raw_writel(S5P_APLL_LOCKTIME, S5P_APLL_LOCK);
-
-	/* 3. Change PLL PMS values */
-	tmp = __raw_readl(S5P_APLL_CON0);
-	tmp &= ~((0x3ff << 16) | (0x3f << 8) | (0x7 << 0));
-	tmp |= s5pv310_apll_pms_table[index];
-	__raw_writel(tmp, S5P_APLL_CON0);
-
-	/* 4. wait_lock_time */
-	do {
-		tmp = __raw_readl(S5P_APLL_CON0);
-	} while (!(tmp & (0x1 << S5P_APLLCON0_LOCKED_SHIFT)));
-
-	/* 5. MUX_CORE_SEL = APLL */
-	clk_set_parent(moutcore, mout_apll);
-
-	do {
-		tmp = __raw_readl(S5P_CLKMUX_STATCPU);
-		tmp &= S5P_CLKMUX_STATCPU_MUXCORE_MASK;
-	} while (tmp != (0x1 << S5P_CLKSRC_CPU_MUXCORE_SHIFT));
-}
-
-static void s5pv310_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) {
-			/* 1. Change the system clock divider values */
-			s5pv310_set_clkdiv(new_index);
-
-			/* 2. Change the apll m,p,s value */
-			s5pv310_set_apll(new_index);
-		} else {
-			/* 1. Change the system clock divider values */
-			s5pv310_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);
-			__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) {
-			/* 1. Change the apll m,p,s value */
-			s5pv310_set_apll(new_index);
-
-			/* 2. Change the system clock divider values */
-			s5pv310_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);
-			__raw_writel(tmp, S5P_APLL_CON0);
-
-			/* 2. Change the system clock divider values */
-			s5pv310_set_clkdiv(new_index);
-		}
-	}
-}
-
-static int s5pv310_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);
-
-	if (cpufreq_frequency_table_target(policy, s5pv310_freq_table,
-					   freqs.old, relation, &old_index))
-		return -EINVAL;
-
-	if (cpufreq_frequency_table_target(policy, s5pv310_freq_table,
-					   target_freq, relation, &index))
-		return -EINVAL;
-
-	freqs.new = s5pv310_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;
-
-	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);
-
-	/* 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);
-
-	return 0;
-}
-
-#ifdef CONFIG_PM
-static int s5pv310_cpufreq_suspend(struct cpufreq_policy *policy,
-				   pm_message_t pmsg)
-{
-	return 0;
-}
-
-static int s5pv310_cpufreq_resume(struct cpufreq_policy *policy)
-{
-	return 0;
-}
-#endif
-
-static int s5pv310_cpufreq_cpu_init(struct cpufreq_policy *policy)
-{
-	policy->cur = policy->min = policy->max = s5pv310_getspeed(policy->cpu);
-
-	cpufreq_frequency_table_get_attr(s5pv310_freq_table, policy->cpu);
-
-	/* set the transition latency value */
-	policy->cpuinfo.transition_latency = 100000;
-
-	/*
-	 * S5PV310 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);
-}
-
-static struct cpufreq_driver s5pv310_driver = {
-	.flags		= CPUFREQ_STICKY,
-	.verify		= s5pv310_verify_speed,
-	.target		= s5pv310_target,
-	.get		= s5pv310_getspeed,
-	.init		= s5pv310_cpufreq_cpu_init,
-	.name		= "s5pv310_cpufreq",
-#ifdef CONFIG_PM
-	.suspend	= s5pv310_cpufreq_suspend,
-	.resume		= s5pv310_cpufreq_resume,
-#endif
-};
-
-static int __init s5pv310_cpufreq_init(void)
-{
-	cpu_clk = clk_get(NULL, "armclk");
-	if (IS_ERR(cpu_clk))
-		return PTR_ERR(cpu_clk);
-
-	moutcore = clk_get(NULL, "moutcore");
-	if (IS_ERR(moutcore))
-		goto out;
-
-	mout_mpll = clk_get(NULL, "mout_mpll");
-	if (IS_ERR(mout_mpll))
-		goto out;
-
-	mout_apll = clk_get(NULL, "mout_apll");
-	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");
-		goto out;
-	}
-
-	int_regulator = regulator_get(NULL, "vdd_int");
-	if (IS_ERR(int_regulator)) {
-		printk(KERN_ERR "failed to get resource %s\n", "vdd_int");
-		goto out;
-	}
-#endif
-
-	/*
-	 * Check DRAM type.
-	 * Because DVFS level is different according to DRAM type.
-	 */
-	memtype = __raw_readl(S5P_VA_DMC0 + S5P_DMC0_MEMCON_OFFSET);
-	memtype = (memtype >> S5P_DMC0_MEMTYPE_SHIFT);
-	memtype &= S5P_DMC0_MEMTYPE_MASK;
-
-	if ((memtype < DDR2) && (memtype > DDR3)) {
-		printk(KERN_ERR "%s: wrong memtype= 0x%x\n", __func__, memtype);
-		goto out;
-	} else {
-		printk(KERN_DEBUG "%s: memtype= 0x%x\n", __func__, memtype);
-	}
-
-	return cpufreq_register_driver(&s5pv310_driver);
-
-out:
-	if (!IS_ERR(cpu_clk))
-		clk_put(cpu_clk);
-
-	if (!IS_ERR(moutcore))
-		clk_put(moutcore);
-
-	if (!IS_ERR(mout_mpll))
-		clk_put(mout_mpll);
-
-	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);
diff --git a/arch/arm/mach-s5pv310/dma.c b/arch/arm/mach-s5pv310/dma.c
deleted file mode 100644
index 20066c7c9e5..00000000000
--- a/arch/arm/mach-s5pv310/dma.c
+++ /dev/null
@@ -1,168 +0,0 @@
-/*
- * Copyright (C) 2010 Samsung Electronics Co. Ltd.
- *	Jaswinder Singh <jassi.brar@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <linux/platform_device.h>
-#include <linux/dma-mapping.h>
-
-#include <plat/devs.h>
-#include <plat/irqs.h>
-
-#include <mach/map.h>
-#include <mach/irqs.h>
-
-#include <plat/s3c-pl330-pdata.h>
-
-static u64 dma_dmamask = DMA_BIT_MASK(32);
-
-static struct resource s5pv310_pdma0_resource[] = {
-	[0] = {
-		.start	= S5PV310_PA_PDMA0,
-		.end	= S5PV310_PA_PDMA0 + SZ_4K,
-		.flags	= IORESOURCE_MEM,
-	},
-	[1] = {
-		.start	= IRQ_PDMA0,
-		.end	= IRQ_PDMA0,
-		.flags	= IORESOURCE_IRQ,
-	},
-};
-
-static struct s3c_pl330_platdata s5pv310_pdma0_pdata = {
-	.peri = {
-		[0] = DMACH_PCM0_RX,
-		[1] = DMACH_PCM0_TX,
-		[2] = DMACH_PCM2_RX,
-		[3] = DMACH_PCM2_TX,
-		[4] = DMACH_MSM_REQ0,
-		[5] = DMACH_MSM_REQ2,
-		[6] = DMACH_SPI0_RX,
-		[7] = DMACH_SPI0_TX,
-		[8] = DMACH_SPI2_RX,
-		[9] = DMACH_SPI2_TX,
-		[10] = DMACH_I2S0S_TX,
-		[11] = DMACH_I2S0_RX,
-		[12] = DMACH_I2S0_TX,
-		[13] = DMACH_I2S2_RX,
-		[14] = DMACH_I2S2_TX,
-		[15] = DMACH_UART0_RX,
-		[16] = DMACH_UART0_TX,
-		[17] = DMACH_UART2_RX,
-		[18] = DMACH_UART2_TX,
-		[19] = DMACH_UART4_RX,
-		[20] = DMACH_UART4_TX,
-		[21] = DMACH_SLIMBUS0_RX,
-		[22] = DMACH_SLIMBUS0_TX,
-		[23] = DMACH_SLIMBUS2_RX,
-		[24] = DMACH_SLIMBUS2_TX,
-		[25] = DMACH_SLIMBUS4_RX,
-		[26] = DMACH_SLIMBUS4_TX,
-		[27] = DMACH_AC97_MICIN,
-		[28] = DMACH_AC97_PCMIN,
-		[29] = DMACH_AC97_PCMOUT,
-		[30] = DMACH_MAX,
-		[31] = DMACH_MAX,
-	},
-};
-
-static struct platform_device s5pv310_device_pdma0 = {
-	.name		= "s3c-pl330",
-	.id		= 0,
-	.num_resources	= ARRAY_SIZE(s5pv310_pdma0_resource),
-	.resource	= s5pv310_pdma0_resource,
-	.dev		= {
-		.dma_mask = &dma_dmamask,
-		.coherent_dma_mask = DMA_BIT_MASK(32),
-		.platform_data = &s5pv310_pdma0_pdata,
-	},
-};
-
-static struct resource s5pv310_pdma1_resource[] = {
-	[0] = {
-		.start	= S5PV310_PA_PDMA1,
-		.end	= S5PV310_PA_PDMA1 + SZ_4K,
-		.flags	= IORESOURCE_MEM,
-	},
-	[1] = {
-		.start	= IRQ_PDMA1,
-		.end	= IRQ_PDMA1,
-		.flags	= IORESOURCE_IRQ,
-	},
-};
-
-static struct s3c_pl330_platdata s5pv310_pdma1_pdata = {
-	.peri = {
-		[0] = DMACH_PCM0_RX,
-		[1] = DMACH_PCM0_TX,
-		[2] = DMACH_PCM1_RX,
-		[3] = DMACH_PCM1_TX,
-		[4] = DMACH_MSM_REQ1,
-		[5] = DMACH_MSM_REQ3,
-		[6] = DMACH_SPI1_RX,
-		[7] = DMACH_SPI1_TX,
-		[8] = DMACH_I2S0S_TX,
-		[9] = DMACH_I2S0_RX,
-		[10] = DMACH_I2S0_TX,
-		[11] = DMACH_I2S1_RX,
-		[12] = DMACH_I2S1_TX,
-		[13] = DMACH_UART0_RX,
-		[14] = DMACH_UART0_TX,
-		[15] = DMACH_UART1_RX,
-		[16] = DMACH_UART1_TX,
-		[17] = DMACH_UART3_RX,
-		[18] = DMACH_UART3_TX,
-		[19] = DMACH_SLIMBUS1_RX,
-		[20] = DMACH_SLIMBUS1_TX,
-		[21] = DMACH_SLIMBUS3_RX,
-		[22] = DMACH_SLIMBUS3_TX,
-		[23] = DMACH_SLIMBUS5_RX,
-		[24] = DMACH_SLIMBUS5_TX,
-		[25] = DMACH_SLIMBUS0AUX_RX,
-		[26] = DMACH_SLIMBUS0AUX_TX,
-		[27] = DMACH_SPDIF,
-		[28] = DMACH_MAX,
-		[29] = DMACH_MAX,
-		[30] = DMACH_MAX,
-		[31] = DMACH_MAX,
-	},
-};
-
-static struct platform_device s5pv310_device_pdma1 = {
-	.name		= "s3c-pl330",
-	.id		= 1,
-	.num_resources	= ARRAY_SIZE(s5pv310_pdma1_resource),
-	.resource	= s5pv310_pdma1_resource,
-	.dev		= {
-		.dma_mask = &dma_dmamask,
-		.coherent_dma_mask = DMA_BIT_MASK(32),
-		.platform_data = &s5pv310_pdma1_pdata,
-	},
-};
-
-static struct platform_device *s5pv310_dmacs[] __initdata = {
-	&s5pv310_device_pdma0,
-	&s5pv310_device_pdma1,
-};
-
-static int __init s5pv310_dma_init(void)
-{
-	platform_add_devices(s5pv310_dmacs, ARRAY_SIZE(s5pv310_dmacs));
-
-	return 0;
-}
-arch_initcall(s5pv310_dma_init);
diff --git a/arch/arm/mach-s5pv310/gpiolib.c b/arch/arm/mach-s5pv310/gpiolib.c
deleted file mode 100644
index 55217b8923e..00000000000
--- a/