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-rw-r--r--arch/arm/mach-exynos/Kconfig126
-rw-r--r--arch/arm/mach-exynos/Makefile31
-rw-r--r--arch/arm/mach-exynos/Makefile.boot2
-rw-r--r--arch/arm/mach-exynos/common.h174
-rw-r--r--arch/arm/mach-exynos/exynos-smc.S22
-rw-r--r--arch/arm/mach-exynos/exynos.c361
-rw-r--r--arch/arm/mach-exynos/firmware.c97
-rw-r--r--arch/arm/mach-exynos/headsmp.S41
-rw-r--r--arch/arm/mach-exynos/hotplug.c92
-rw-r--r--arch/arm/mach-exynos/include/mach/dma.h26
-rw-r--r--arch/arm/mach-exynos/include/mach/map.h73
-rw-r--r--arch/arm/mach-exynos/include/mach/memory.h27
-rw-r--r--arch/arm/mach-exynos/mcpm-exynos.c358
-rw-r--r--arch/arm/mach-exynos/mfc.h16
-rw-r--r--arch/arm/mach-exynos/platsmp.c262
-rw-r--r--arch/arm/mach-exynos/pm.c483
-rw-r--r--arch/arm/mach-exynos/pm_domains.c243
-rw-r--r--arch/arm/mach-exynos/pmu.c423
-rw-r--r--arch/arm/mach-exynos/regs-pmu.h326
-rw-r--r--arch/arm/mach-exynos/sleep.S57
-rw-r--r--arch/arm/mach-exynos/smc.h31
21 files changed, 3271 insertions, 0 deletions
diff --git a/arch/arm/mach-exynos/Kconfig b/arch/arm/mach-exynos/Kconfig
new file mode 100644
index 00000000000..8f9b66c4ac7
--- /dev/null
+++ b/arch/arm/mach-exynos/Kconfig
@@ -0,0 +1,126 @@
+# arch/arm/mach-exynos/Kconfig
+#
+# Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
+# http://www.samsung.com/
+#
+# Licensed under GPLv2
+
+# Configuration options for the EXYNOS4
+
+menuconfig ARCH_EXYNOS
+ bool "Samsung EXYNOS" if ARCH_MULTI_V7
+ select ARCH_HAS_BANDGAP
+ select ARCH_HAS_HOLES_MEMORYMODEL
+ select ARCH_REQUIRE_GPIOLIB
+ select ARM_AMBA
+ select ARM_GIC
+ select COMMON_CLK_SAMSUNG
+ select HAVE_ARM_SCU if SMP
+ select HAVE_S3C2410_I2C if I2C
+ select HAVE_S3C2410_WATCHDOG if WATCHDOG
+ select HAVE_S3C_RTC if RTC_CLASS
+ select PINCTRL
+ select PINCTRL_EXYNOS
+ select PM_GENERIC_DOMAINS if PM_RUNTIME
+ select S5P_DEV_MFC
+ select SRAM
+ help
+ Support for SAMSUNG EXYNOS SoCs (EXYNOS4/5)
+
+if ARCH_EXYNOS
+
+config ARCH_EXYNOS3
+ bool "SAMSUNG EXYNOS3"
+ select ARM_CPU_SUSPEND if PM
+ help
+ Samsung EXYNOS3 (Crotex-A7) SoC based systems
+
+config ARCH_EXYNOS4
+ bool "SAMSUNG EXYNOS4"
+ default y
+ select ARM_CPU_SUSPEND if PM_SLEEP
+ select CLKSRC_SAMSUNG_PWM if CPU_EXYNOS4210
+ select CPU_EXYNOS4210
+ select GIC_NON_BANKED
+ select KEYBOARD_SAMSUNG if INPUT_KEYBOARD
+ select MIGHT_HAVE_CACHE_L2X0
+ help
+ Samsung EXYNOS4 (Cortex-A9) SoC based systems
+
+config ARCH_EXYNOS5
+ bool "SAMSUNG EXYNOS5"
+ default y
+ help
+ Samsung EXYNOS5 (Cortex-A15/A7) SoC based systems
+
+comment "EXYNOS SoCs"
+
+config SOC_EXYNOS3250
+ bool "SAMSUNG EXYNOS3250"
+ default y
+ depends on ARCH_EXYNOS3
+
+config CPU_EXYNOS4210
+ bool "SAMSUNG EXYNOS4210"
+ default y
+ depends on ARCH_EXYNOS4
+
+config SOC_EXYNOS4212
+ bool "SAMSUNG EXYNOS4212"
+ default y
+ depends on ARCH_EXYNOS4
+
+config SOC_EXYNOS4412
+ bool "SAMSUNG EXYNOS4412"
+ default y
+ depends on ARCH_EXYNOS4
+
+config SOC_EXYNOS5250
+ bool "SAMSUNG EXYNOS5250"
+ default y
+ depends on ARCH_EXYNOS5
+
+config SOC_EXYNOS5260
+ bool "SAMSUNG EXYNOS5260"
+ default y
+ depends on ARCH_EXYNOS5
+
+config SOC_EXYNOS5410
+ bool "SAMSUNG EXYNOS5410"
+ default y
+ depends on ARCH_EXYNOS5
+
+config SOC_EXYNOS5420
+ bool "SAMSUNG EXYNOS5420"
+ default y
+ depends on ARCH_EXYNOS5
+
+config SOC_EXYNOS5440
+ bool "SAMSUNG EXYNOS5440"
+ default y
+ depends on ARCH_EXYNOS5
+ select ARCH_DMA_ADDR_T_64BIT if ARM_LPAE
+ select ARCH_HAS_OPP
+ select HAVE_ARM_ARCH_TIMER
+ select AUTO_ZRELADDR
+ select MIGHT_HAVE_PCI
+ select PCI_DOMAINS if PCI
+ select PINCTRL_EXYNOS5440
+ select PM_OPP
+ help
+ Enable EXYNOS5440 SoC support
+
+config SOC_EXYNOS5800
+ bool "SAMSUNG EXYNOS5800"
+ default y
+ depends on SOC_EXYNOS5420
+
+config EXYNOS5420_MCPM
+ bool "Exynos5420 Multi-Cluster PM support"
+ depends on MCPM && SOC_EXYNOS5420
+ select ARM_CCI
+ help
+ This is needed to provide CPU and cluster power management
+ on Exynos5420 implementing big.LITTLE.
+
+endif
diff --git a/arch/arm/mach-exynos/Makefile b/arch/arm/mach-exynos/Makefile
new file mode 100644
index 00000000000..788f26d2114
--- /dev/null
+++ b/arch/arm/mach-exynos/Makefile
@@ -0,0 +1,31 @@
+# arch/arm/mach-exynos/Makefile
+#
+# Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
+# http://www.samsung.com/
+#
+# Licensed under GPLv2
+
+ccflags-$(CONFIG_ARCH_MULTIPLATFORM) += -I$(srctree)/$(src)/include -I$(srctree)/arch/arm/plat-samsung/include
+
+obj-y :=
+obj-m :=
+obj-n :=
+obj- :=
+
+# Core
+
+obj-$(CONFIG_ARCH_EXYNOS) += exynos.o pmu.o exynos-smc.o firmware.o
+
+obj-$(CONFIG_PM_SLEEP) += pm.o sleep.o
+obj-$(CONFIG_PM_GENERIC_DOMAINS) += pm_domains.o
+
+obj-$(CONFIG_SMP) += platsmp.o headsmp.o
+
+obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o
+CFLAGS_hotplug.o += -march=armv7-a
+
+plus_sec := $(call as-instr,.arch_extension sec,+sec)
+AFLAGS_exynos-smc.o :=-Wa,-march=armv7-a$(plus_sec)
+
+obj-$(CONFIG_EXYNOS5420_MCPM) += mcpm-exynos.o
+CFLAGS_mcpm-exynos.o += -march=armv7-a
diff --git a/arch/arm/mach-exynos/Makefile.boot b/arch/arm/mach-exynos/Makefile.boot
new file mode 100644
index 00000000000..b9862e22bf1
--- /dev/null
+++ b/arch/arm/mach-exynos/Makefile.boot
@@ -0,0 +1,2 @@
+ zreladdr-y += 0x40008000
+params_phys-y := 0x40000100
diff --git a/arch/arm/mach-exynos/common.h b/arch/arm/mach-exynos/common.h
new file mode 100644
index 00000000000..1ee91763fa7
--- /dev/null
+++ b/arch/arm/mach-exynos/common.h
@@ -0,0 +1,174 @@
+/*
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com
+ *
+ * Common Header for EXYNOS machines
+ *
+ * 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 __ARCH_ARM_MACH_EXYNOS_COMMON_H
+#define __ARCH_ARM_MACH_EXYNOS_COMMON_H
+
+#include <linux/reboot.h>
+#include <linux/of.h>
+
+#define EXYNOS3250_SOC_ID 0xE3472000
+#define EXYNOS3_SOC_MASK 0xFFFFF000
+
+#define EXYNOS4210_CPU_ID 0x43210000
+#define EXYNOS4212_CPU_ID 0x43220000
+#define EXYNOS4412_CPU_ID 0xE4412200
+#define EXYNOS4_CPU_MASK 0xFFFE0000
+
+#define EXYNOS5250_SOC_ID 0x43520000
+#define EXYNOS5410_SOC_ID 0xE5410000
+#define EXYNOS5420_SOC_ID 0xE5420000
+#define EXYNOS5440_SOC_ID 0xE5440000
+#define EXYNOS5800_SOC_ID 0xE5422000
+#define EXYNOS5_SOC_MASK 0xFFFFF000
+
+extern unsigned long samsung_cpu_id;
+
+#define IS_SAMSUNG_CPU(name, id, mask) \
+static inline int is_samsung_##name(void) \
+{ \
+ return ((samsung_cpu_id & mask) == (id & mask)); \
+}
+
+IS_SAMSUNG_CPU(exynos3250, EXYNOS3250_SOC_ID, EXYNOS3_SOC_MASK)
+IS_SAMSUNG_CPU(exynos4210, EXYNOS4210_CPU_ID, EXYNOS4_CPU_MASK)
+IS_SAMSUNG_CPU(exynos4212, EXYNOS4212_CPU_ID, EXYNOS4_CPU_MASK)
+IS_SAMSUNG_CPU(exynos4412, EXYNOS4412_CPU_ID, EXYNOS4_CPU_MASK)
+IS_SAMSUNG_CPU(exynos5250, EXYNOS5250_SOC_ID, EXYNOS5_SOC_MASK)
+IS_SAMSUNG_CPU(exynos5410, EXYNOS5410_SOC_ID, EXYNOS5_SOC_MASK)
+IS_SAMSUNG_CPU(exynos5420, EXYNOS5420_SOC_ID, EXYNOS5_SOC_MASK)
+IS_SAMSUNG_CPU(exynos5440, EXYNOS5440_SOC_ID, EXYNOS5_SOC_MASK)
+IS_SAMSUNG_CPU(exynos5800, EXYNOS5800_SOC_ID, EXYNOS5_SOC_MASK)
+
+#if defined(CONFIG_SOC_EXYNOS3250)
+# define soc_is_exynos3250() is_samsung_exynos3250()
+#else
+# define soc_is_exynos3250() 0
+#endif
+
+#if defined(CONFIG_CPU_EXYNOS4210)
+# define soc_is_exynos4210() is_samsung_exynos4210()
+#else
+# define soc_is_exynos4210() 0
+#endif
+
+#if defined(CONFIG_SOC_EXYNOS4212)
+# define soc_is_exynos4212() is_samsung_exynos4212()
+#else
+# define soc_is_exynos4212() 0
+#endif
+
+#if defined(CONFIG_SOC_EXYNOS4412)
+# define soc_is_exynos4412() is_samsung_exynos4412()
+#else
+# define soc_is_exynos4412() 0
+#endif
+
+#define EXYNOS4210_REV_0 (0x0)
+#define EXYNOS4210_REV_1_0 (0x10)
+#define EXYNOS4210_REV_1_1 (0x11)
+
+#if defined(CONFIG_SOC_EXYNOS5250)
+# define soc_is_exynos5250() is_samsung_exynos5250()
+#else
+# define soc_is_exynos5250() 0
+#endif
+
+#if defined(CONFIG_SOC_EXYNOS5410)
+# define soc_is_exynos5410() is_samsung_exynos5410()
+#else
+# define soc_is_exynos5410() 0
+#endif
+
+#if defined(CONFIG_SOC_EXYNOS5420)
+# define soc_is_exynos5420() is_samsung_exynos5420()
+#else
+# define soc_is_exynos5420() 0
+#endif
+
+#if defined(CONFIG_SOC_EXYNOS5440)
+# define soc_is_exynos5440() is_samsung_exynos5440()
+#else
+# define soc_is_exynos5440() 0
+#endif
+
+#if defined(CONFIG_SOC_EXYNOS5800)
+# define soc_is_exynos5800() is_samsung_exynos5800()
+#else
+# define soc_is_exynos5800() 0
+#endif
+
+#define soc_is_exynos4() (soc_is_exynos4210() || soc_is_exynos4212() || \
+ soc_is_exynos4412())
+#define soc_is_exynos5() (soc_is_exynos5250() || soc_is_exynos5410() || \
+ soc_is_exynos5420() || soc_is_exynos5800())
+
+void mct_init(void __iomem *base, int irq_g0, int irq_l0, int irq_l1);
+
+struct map_desc;
+extern void __iomem *sysram_ns_base_addr;
+extern void __iomem *sysram_base_addr;
+void exynos_init_io(void);
+void exynos_restart(enum reboot_mode mode, const char *cmd);
+void exynos_sysram_init(void);
+void exynos_cpuidle_init(void);
+void exynos_cpufreq_init(void);
+void exynos_init_late(void);
+
+void exynos_firmware_init(void);
+
+#ifdef CONFIG_PINCTRL_EXYNOS
+extern u32 exynos_get_eint_wake_mask(void);
+#else
+static inline u32 exynos_get_eint_wake_mask(void) { return 0xffffffff; }
+#endif
+
+#ifdef CONFIG_PM_SLEEP
+extern void __init exynos_pm_init(void);
+#else
+static inline void exynos_pm_init(void) {}
+#endif
+
+extern void exynos_cpu_resume(void);
+
+extern struct smp_operations exynos_smp_ops;
+
+extern void exynos_cpu_die(unsigned int cpu);
+
+/* PMU(Power Management Unit) support */
+
+#define PMU_TABLE_END NULL
+
+enum sys_powerdown {
+ SYS_AFTR,
+ SYS_LPA,
+ SYS_SLEEP,
+ NUM_SYS_POWERDOWN,
+};
+
+struct exynos_pmu_conf {
+ void __iomem *reg;
+ unsigned int val[NUM_SYS_POWERDOWN];
+};
+
+extern void exynos_sys_powerdown_conf(enum sys_powerdown mode);
+extern void exynos_cpu_power_down(int cpu);
+extern void exynos_cpu_power_up(int cpu);
+extern int exynos_cpu_power_state(int cpu);
+extern void exynos_cluster_power_down(int cluster);
+extern void exynos_cluster_power_up(int cluster);
+extern int exynos_cluster_power_state(int cluster);
+extern void exynos_enter_aftr(void);
+
+extern void s5p_init_cpu(void __iomem *cpuid_addr);
+extern unsigned int samsung_rev(void);
+
+#endif /* __ARCH_ARM_MACH_EXYNOS_COMMON_H */
diff --git a/arch/arm/mach-exynos/exynos-smc.S b/arch/arm/mach-exynos/exynos-smc.S
new file mode 100644
index 00000000000..2e27aa3813f
--- /dev/null
+++ b/arch/arm/mach-exynos/exynos-smc.S
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) 2012 Samsung Electronics.
+ *
+ * Copied from omap-smc.S Copyright (C) 2010 Texas Instruments, Inc.
+ *
+ * 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/linkage.h>
+
+/*
+ * Function signature: void exynos_smc(u32 cmd, u32 arg1, u32 arg2, u32 arg3)
+ */
+
+ENTRY(exynos_smc)
+ stmfd sp!, {r4-r11, lr}
+ dsb
+ smc #0
+ ldmfd sp!, {r4-r11, pc}
+ENDPROC(exynos_smc)
diff --git a/arch/arm/mach-exynos/exynos.c b/arch/arm/mach-exynos/exynos.c
new file mode 100644
index 00000000000..66c9b9614f3
--- /dev/null
+++ b/arch/arm/mach-exynos/exynos.c
@@ -0,0 +1,361 @@
+/*
+ * SAMSUNG EXYNOS Flattened Device Tree enabled machine
+ *
+ * Copyright (c) 2010-2014 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/init.h>
+#include <linux/io.h>
+#include <linux/kernel.h>
+#include <linux/serial_s3c.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/of_fdt.h>
+#include <linux/of_platform.h>
+#include <linux/platform_device.h>
+#include <linux/pm_domain.h>
+
+#include <asm/cacheflush.h>
+#include <asm/hardware/cache-l2x0.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/memory.h>
+
+#include "common.h"
+#include "mfc.h"
+#include "regs-pmu.h"
+
+static struct map_desc exynos4_iodesc[] __initdata = {
+ {
+ .virtual = (unsigned long)S3C_VA_SYS,
+ .pfn = __phys_to_pfn(EXYNOS4_PA_SYSCON),
+ .length = SZ_64K,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = (unsigned long)S3C_VA_TIMER,
+ .pfn = __phys_to_pfn(EXYNOS4_PA_TIMER),
+ .length = SZ_16K,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = (unsigned long)S3C_VA_WATCHDOG,
+ .pfn = __phys_to_pfn(EXYNOS4_PA_WATCHDOG),
+ .length = SZ_4K,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = (unsigned long)S5P_VA_SROMC,
+ .pfn = __phys_to_pfn(EXYNOS4_PA_SROMC),
+ .length = SZ_4K,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = (unsigned long)S5P_VA_SYSTIMER,
+ .pfn = __phys_to_pfn(EXYNOS4_PA_SYSTIMER),
+ .length = SZ_4K,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = (unsigned long)S5P_VA_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(EXYNOS4_PA_COMBINER),
+ .length = SZ_4K,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = (unsigned long)S5P_VA_GIC_CPU,
+ .pfn = __phys_to_pfn(EXYNOS4_PA_GIC_CPU),
+ .length = SZ_64K,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = (unsigned long)S5P_VA_GIC_DIST,
+ .pfn = __phys_to_pfn(EXYNOS4_PA_GIC_DIST),
+ .length = SZ_64K,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = (unsigned long)S5P_VA_CMU,
+ .pfn = __phys_to_pfn(EXYNOS4_PA_CMU),
+ .length = SZ_128K,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = (unsigned long)S5P_VA_COREPERI_BASE,
+ .pfn = __phys_to_pfn(EXYNOS4_PA_COREPERI),
+ .length = SZ_8K,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = (unsigned long)S5P_VA_L2CC,
+ .pfn = __phys_to_pfn(EXYNOS4_PA_L2CC),
+ .length = SZ_4K,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = (unsigned long)S5P_VA_DMC0,
+ .pfn = __phys_to_pfn(EXYNOS4_PA_DMC0),
+ .length = SZ_64K,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = (unsigned long)S5P_VA_DMC1,
+ .pfn = __phys_to_pfn(EXYNOS4_PA_DMC1),
+ .length = SZ_64K,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = (unsigned long)S3C_VA_USB_HSPHY,
+ .pfn = __phys_to_pfn(EXYNOS4_PA_HSPHY),
+ .length = SZ_4K,
+ .type = MT_DEVICE,
+ },
+};
+
+static struct map_desc exynos5_iodesc[] __initdata = {
+ {
+ .virtual = (unsigned long)S3C_VA_SYS,
+ .pfn = __phys_to_pfn(EXYNOS5_PA_SYSCON),
+ .length = SZ_64K,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = (unsigned long)S3C_VA_TIMER,
+ .pfn = __phys_to_pfn(EXYNOS5_PA_TIMER),
+ .length = SZ_16K,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = (unsigned long)S3C_VA_WATCHDOG,
+ .pfn = __phys_to_pfn(EXYNOS5_PA_WATCHDOG),
+ .length = SZ_4K,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = (unsigned long)S5P_VA_SROMC,
+ .pfn = __phys_to_pfn(EXYNOS5_PA_SROMC),
+ .length = SZ_4K,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = (unsigned long)S5P_VA_CMU,
+ .pfn = __phys_to_pfn(EXYNOS5_PA_CMU),
+ .length = 144 * SZ_1K,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = (unsigned long)S5P_VA_PMU,
+ .pfn = __phys_to_pfn(EXYNOS5_PA_PMU),
+ .length = SZ_64K,
+ .type = MT_DEVICE,
+ },
+};
+
+void exynos_restart(enum reboot_mode mode, const char *cmd)
+{
+ struct device_node *np;
+ u32 val = 0x1;
+ void __iomem *addr = EXYNOS_SWRESET;
+
+ if (of_machine_is_compatible("samsung,exynos5440")) {
+ u32 status;
+ np = of_find_compatible_node(NULL, NULL, "samsung,exynos5440-clock");
+
+ addr = of_iomap(np, 0) + 0xbc;
+ status = __raw_readl(addr);
+
+ addr = of_iomap(np, 0) + 0xcc;
+ val = __raw_readl(addr);
+
+ val = (val & 0xffff0000) | (status & 0xffff);
+ }
+
+ __raw_writel(val, addr);
+}
+
+static struct platform_device exynos_cpuidle = {
+ .name = "exynos_cpuidle",
+ .dev.platform_data = exynos_enter_aftr,
+ .id = -1,
+};
+
+void __init exynos_cpuidle_init(void)
+{
+ if (soc_is_exynos4210() || soc_is_exynos5250())
+ platform_device_register(&exynos_cpuidle);
+}
+
+void __init exynos_cpufreq_init(void)
+{
+ platform_device_register_simple("exynos-cpufreq", -1, NULL, 0);
+}
+
+void __iomem *sysram_base_addr;
+void __iomem *sysram_ns_base_addr;
+
+void __init exynos_sysram_init(void)
+{
+ struct device_node *node;
+
+ for_each_compatible_node(node, NULL, "samsung,exynos4210-sysram") {
+ if (!of_device_is_available(node))
+ continue;
+ sysram_base_addr = of_iomap(node, 0);
+ break;
+ }
+
+ for_each_compatible_node(node, NULL, "samsung,exynos4210-sysram-ns") {
+ if (!of_device_is_available(node))
+ continue;
+ sysram_ns_base_addr = of_iomap(node, 0);
+ break;
+ }
+}
+
+void __init exynos_init_late(void)
+{
+ if (of_machine_is_compatible("samsung,exynos5440"))
+ /* to be supported later */
+ return;
+
+ pm_genpd_poweroff_unused();
+ exynos_pm_init();
+}
+
+static int __init exynos_fdt_map_chipid(unsigned long node, const char *uname,
+ int depth, void *data)
+{
+ struct map_desc iodesc;
+ const __be32 *reg;
+ int len;
+
+ if (!of_flat_dt_is_compatible(node, "samsung,exynos4210-chipid") &&
+ !of_flat_dt_is_compatible(node, "samsung,exynos5440-clock"))
+ return 0;
+
+ reg = of_get_flat_dt_prop(node, "reg", &len);
+ if (reg == NULL || len != (sizeof(unsigned long) * 2))
+ return 0;
+
+ iodesc.pfn = __phys_to_pfn(be32_to_cpu(reg[0]));
+ iodesc.length = be32_to_cpu(reg[1]) - 1;
+ iodesc.virtual = (unsigned long)S5P_VA_CHIPID;
+ iodesc.type = MT_DEVICE;
+ iotable_init(&iodesc, 1);
+ return 1;
+}
+
+/*
+ * exynos_map_io
+ *
+ * register the standard cpu IO areas
+ */
+static void __init exynos_map_io(void)
+{
+ if (soc_is_exynos4())
+ iotable_init(exynos4_iodesc, ARRAY_SIZE(exynos4_iodesc));
+
+ if (soc_is_exynos5())
+ iotable_init(exynos5_iodesc, ARRAY_SIZE(exynos5_iodesc));
+}
+
+void __init exynos_init_io(void)
+{
+ debug_ll_io_init();
+
+ of_scan_flat_dt(exynos_fdt_map_chipid, NULL);
+
+ /* detect cpu id and rev. */
+ s5p_init_cpu(S5P_VA_CHIPID);
+
+ exynos_map_io();
+}
+
+static void __init exynos_dt_machine_init(void)
+{
+ struct device_node *i2c_np;
+ const char *i2c_compat = "samsung,s3c2440-i2c";
+ unsigned int tmp;
+ int id;
+
+ /*
+ * Exynos5's legacy i2c controller and new high speed i2c
+ * controller have muxed interrupt sources. By default the
+ * interrupts for 4-channel HS-I2C controller are enabled.
+ * If node for first four channels of legacy i2c controller
+ * are available then re-configure the interrupts via the
+ * system register.
+ */
+ if (soc_is_exynos5()) {
+ for_each_compatible_node(i2c_np, NULL, i2c_compat) {
+ if (of_device_is_available(i2c_np)) {
+ id = of_alias_get_id(i2c_np, "i2c");
+ if (id < 4) {
+ tmp = readl(EXYNOS5_SYS_I2C_CFG);
+ writel(tmp & ~(0x1 << id),
+ EXYNOS5_SYS_I2C_CFG);
+ }
+ }
+ }
+ }
+
+ /*
+ * This is called from smp_prepare_cpus if we've built for SMP, but
+ * we still need to set it up for PM and firmware ops if not.
+ */
+ if (!IS_ENABLED(CONFIG_SMP))
+ exynos_sysram_init();
+
+ exynos_cpuidle_init();
+ exynos_cpufreq_init();
+
+ of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
+}
+
+static char const *exynos_dt_compat[] __initconst = {
+ "samsung,exynos3",
+ "samsung,exynos3250",
+ "samsung,exynos4",
+ "samsung,exynos4210",
+ "samsung,exynos4212",
+ "samsung,exynos4412",
+ "samsung,exynos5",
+ "samsung,exynos5250",
+ "samsung,exynos5260",
+ "samsung,exynos5420",
+ "samsung,exynos5440",
+ NULL
+};
+
+static void __init exynos_reserve(void)
+{
+#ifdef CONFIG_S5P_DEV_MFC
+ int i;
+ char *mfc_mem[] = {
+ "samsung,mfc-v5",
+ "samsung,mfc-v6",
+ "samsung,mfc-v7",
+ };
+
+ for (i = 0; i < ARRAY_SIZE(mfc_mem); i++)
+ if (of_scan_flat_dt(s5p_fdt_alloc_mfc_mem, mfc_mem[i]))
+ break;
+#endif
+}
+
+static void __init exynos_dt_fixup(void)
+{
+ /*
+ * Some versions of uboot pass garbage entries in the memory node,
+ * use the old CONFIG_ARM_NR_BANKS
+ */
+ of_fdt_limit_memory(8);
+}
+
+DT_MACHINE_START(EXYNOS_DT, "SAMSUNG EXYNOS (Flattened Device Tree)")
+ /* Maintainer: Thomas Abraham <thomas.abraham@linaro.org> */
+ /* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
+ .l2c_aux_val = 0x3c400001,
+ .l2c_aux_mask = 0xc20fffff,
+ .smp = smp_ops(exynos_smp_ops),
+ .map_io = exynos_init_io,
+ .init_early = exynos_firmware_init,
+ .init_machine = exynos_dt_machine_init,
+ .init_late = exynos_init_late,
+ .dt_compat = exynos_dt_compat,
+ .restart = exynos_restart,
+ .reserve = exynos_reserve,
+ .dt_fixup = exynos_dt_fixup,
+MACHINE_END
diff --git a/arch/arm/mach-exynos/firmware.c b/arch/arm/mach-exynos/firmware.c
new file mode 100644
index 00000000000..e8797bb7887
--- /dev/null
+++ b/arch/arm/mach-exynos/firmware.c
@@ -0,0 +1,97 @@
+/*
+ * Copyright (C) 2012 Samsung Electronics.
+ * Kyungmin Park <kyungmin.park@samsung.com>
+ * Tomasz Figa <t.figa@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/kernel.h>
+#include <linux/io.h>
+#include <linux/init.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+
+#include <asm/firmware.h>
+
+#include <mach/map.h>
+
+#include "common.h"
+#include "smc.h"
+
+static int exynos_do_idle(void)
+{
+ exynos_smc(SMC_CMD_SLEEP, 0, 0, 0);
+ return 0;
+}
+
+static int exynos_cpu_boot(int cpu)
+{
+ /*
+ * Exynos3250 doesn't need to send smc command for secondary CPU boot
+ * because Exynos3250 removes WFE in secure mode.
+ */
+ if (soc_is_exynos3250())
+ return 0;
+
+ /*
+ * The second parameter of SMC_CMD_CPU1BOOT command means CPU id.
+ * But, Exynos4212 has only one secondary CPU so second parameter
+ * isn't used for informing secure firmware about CPU id.
+ */
+ if (soc_is_exynos4212())
+ cpu = 0;
+
+ exynos_smc(SMC_CMD_CPU1BOOT, cpu, 0, 0);
+ return 0;
+}
+
+static int exynos_set_cpu_boot_addr(int cpu, unsigned long boot_addr)
+{
+ void __iomem *boot_reg;
+
+ if (!sysram_ns_base_addr)
+ return -ENODEV;
+
+ boot_reg = sysram_ns_base_addr + 0x1c;
+
+ /*
+ * Almost all Exynos-series of SoCs that run in secure mode don't need
+ * additional offset for every CPU, with Exynos4412 being the only
+ * exception.
+ */
+ if (soc_is_exynos4412())
+ boot_reg += 4 * cpu;
+
+ __raw_writel(boot_addr, boot_reg);
+ return 0;
+}
+
+static const struct firmware_ops exynos_firmware_ops = {
+ .do_idle = exynos_do_idle,
+ .set_cpu_boot_addr = exynos_set_cpu_boot_addr,
+ .cpu_boot = exynos_cpu_boot,
+};
+
+void __init exynos_firmware_init(void)
+{
+ struct device_node *nd;
+ const __be32 *addr;
+
+ nd = of_find_compatible_node(NULL, NULL,
+ "samsung,secure-firmware");
+ if (!nd)
+ return;
+
+ addr = of_get_address(nd, 0, NULL, NULL);
+ if (!addr) {
+ pr_err("%s: No address specified.\n", __func__);
+ return;
+ }
+
+ pr_info("Running under secure firmware.\n");
+
+ register_firmware_ops(&exynos_firmware_ops);
+}
diff --git a/arch/arm/mach-exynos/headsmp.S b/arch/arm/mach-exynos/headsmp.S
new file mode 100644
index 00000000000..cdd9d91e993
--- /dev/null
+++ b/arch/arm/mach-exynos/headsmp.S
@@ -0,0 +1,41 @@
+/*
+ * linux/arch/arm/mach-exynos4/headsmp.S
+ *
+ * Cloned from linux/arch/arm/mach-realview/headsmp.S
+ *
+ * Copyright (c) 2003 ARM Limited
+ * All Rights Reserved
+ *
+ * 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/linkage.h>
+#include <linux/init.h>
+
+/*
+ * 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(exynos4_secondary_startup)
+ mrc p15, 0, r0, c0, c0, 5
+ and r0, r0, #15
+ adr r4, 1f
+ ldmia r4, {r5, r6}
+ sub r4, r4, r5
+ add r6, r6, r4
+pen: ldr r7, [r6]
+ cmp r7, r0
+ bne pen
+
+ /*
+ * we've been released from the holding pen: secondary_stack
+ * should now contain the SVC stack for this core
+ */
+ b secondary_startup
+ENDPROC(exynos4_secondary_startup)
+
+ .align 2
+1: .long .
+ .long pen_release
diff --git a/arch/arm/mach-exynos/hotplug.c b/arch/arm/mach-exynos/hotplug.c
new file mode 100644
index 00000000000..920a4baa53c
--- /dev/null
+++ b/arch/arm/mach-exynos/hotplug.c
@@ -0,0 +1,92 @@
+/* linux arch/arm/mach-exynos4/hotplug.c
+ *
+ * Cloned from linux/arch/arm/mach-realview/hotplug.c
+ *
+ * Copyright (C) 2002 ARM Ltd.
+ * All Rights Reserved
+ *
+ * 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/errno.h>
+#include <linux/smp.h>
+#include <linux/io.h>
+
+#include <asm/cacheflush.h>
+#include <asm/cp15.h>
+#include <asm/smp_plat.h>
+
+#include "common.h"
+#include "regs-pmu.h"
+
+static inline void cpu_leave_lowpower(void)
+{
+ unsigned int v;
+
+ asm volatile(
+ "mrc p15, 0, %0, c1, c0, 0\n"
+ " orr %0, %0, %1\n"
+ " mcr p15, 0, %0, c1, c0, 0\n"
+ " mrc p15, 0, %0, c1, c0, 1\n"
+ " orr %0, %0, %2\n"
+ " mcr p15, 0, %0, c1, c0, 1\n"
+ : "=&r" (v)
+ : "Ir" (CR_C), "Ir" (0x40)
+ : "cc");
+}
+
+static inline void platform_do_lowpower(unsigned int cpu, int *spurious)
+{
+ u32 mpidr = cpu_logical_map(cpu);
+ u32 core_id = MPIDR_AFFINITY_LEVEL(mpidr, 0);
+
+ for (;;) {
+
+ /* Turn the CPU off on next WFI instruction. */
+ exynos_cpu_power_down(core_id);
+
+ wfi();
+
+ if (pen_release == core_id) {
+ /*
+ * OK, proper wakeup, we're done
+ */
+ break;
+ }
+
+ /*
+ * Getting here, means that we have come out of WFI without
+ * having been woken up - this shouldn't happen
+ *
+ * Just note it happening - when we're woken, we can report
+ * its occurrence.
+ */
+ (*spurious)++;
+ }
+}
+
+/*
+ * platform-specific code to shutdown a CPU
+ *
+ * Called with IRQs disabled
+ */
+void __ref exynos_cpu_die(unsigned int cpu)
+{
+ int spurious = 0;
+
+ v7_exit_coherency_flush(louis);
+
+ platform_do_lowpower(cpu, &spurious);
+
+ /*
+ * bring this CPU back into the world of cache
+ * coherency, and then restore interrupts
+ */
+ cpu_leave_lowpower();
+
+ if (spurious)
+ pr_warn("CPU%u: %u spurious wakeup calls\n", cpu, spurious);
+}
diff --git a/arch/arm/mach-exynos/include/mach/dma.h b/arch/arm/mach-exynos/include/mach/dma.h
new file mode 100644
index 00000000000..201842a3769
--- /dev/null
+++ b/arch/arm/mach-exynos/include/mach/dma.h
@@ -0,0 +1,26 @@
+/*
+ * 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.
+ */
+
+#ifndef __MACH_DMA_H
+#define __MACH_DMA_H
+
+/* This platform uses the common DMA API driver for PL330 */
+#include <plat/dma-pl330.h>
+
+#endif /* __MACH_DMA_H */
diff --git a/arch/arm/mach-exynos/include/mach/map.h b/arch/arm/mach-exynos/include/mach/map.h
new file mode 100644
index 00000000000..548269a6063
--- /dev/null
+++ b/arch/arm/mach-exynos/include/mach/map.h
@@ -0,0 +1,73 @@
+/* linux/arch/arm/mach-exynos/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 EXYNOS_PA_CHIPID 0x10000000
+
+#define EXYNOS4_PA_SYSCON 0x10010000
+#define EXYNOS5_PA_SYSCON 0x10050100
+
+#define EXYNOS4_PA_PMU 0x10020000
+#define EXYNOS5_PA_PMU 0x10040000
+
+#define EXYNOS4_PA_CMU 0x10030000
+#define EXYNOS5_PA_CMU 0x10010000
+
+#define EXYNOS4_PA_SYSTIMER 0x10050000
+
+#define EXYNOS4_PA_WATCHDOG 0x10060000
+#define EXYNOS5_PA_WATCHDOG 0x101D0000
+
+#define EXYNOS4_PA_DMC0 0x10400000
+#define EXYNOS4_PA_DMC1 0x10410000
+
+#define EXYNOS4_PA_COMBINER 0x10440000
+#define EXYNOS5_PA_COMBINER 0x10440000
+
+#define EXYNOS4_PA_GIC_CPU 0x10480000
+#define EXYNOS4_PA_GIC_DIST 0x10490000
+#define EXYNOS5_PA_GIC_CPU 0x10482000
+#define EXYNOS5_PA_GIC_DIST 0x10481000
+
+#define EXYNOS4_PA_COREPERI 0x10500000
+#define EXYNOS4_PA_L2CC 0x10502000
+
+#define EXYNOS4_PA_SROMC 0x12570000
+#define EXYNOS5_PA_SROMC 0x12250000
+
+#define EXYNOS4_PA_HSPHY 0x125B0000
+
+#define EXYNOS4_PA_UART 0x13800000
+#define EXYNOS5_PA_UART 0x12C00000
+
+#define EXYNOS4_PA_TIMER 0x139D0000
+#define EXYNOS5_PA_TIMER 0x12DD0000
+
+/* Compatibility UART */
+
+#define EXYNOS5440_PA_UART0 0x000B0000
+
+#define S3C_VA_UARTx(x) (S3C_VA_UART + ((x) * S3C_UART_OFFSET))
+
+#endif /* __ASM_ARCH_MAP_H */
diff --git a/arch/arm/mach-exynos/include/mach/memory.h b/arch/arm/mach-exynos/include/mach/memory.h
new file mode 100644
index 00000000000..2a4cdb7cb32
--- /dev/null
+++ b/arch/arm/mach-exynos/include/mach/memory.h
@@ -0,0 +1,27 @@
+/* linux/arch/arm/mach-exynos4/include/mach/memory.h
+ *
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com
+ *
+ * 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
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_ARCH_MEMORY_H
+#define __ASM_ARCH_MEMORY_H __FILE__
+
+#define PLAT_PHYS_OFFSET UL(0x40000000)
+
+#ifndef CONFIG_ARM_LPAE
+/* Maximum of 256MiB in one bank */
+#define MAX_PHYSMEM_BITS 32
+#define SECTION_SIZE_BITS 28
+#else
+#define MAX_PHYSMEM_BITS 36
+#define SECTION_SIZE_BITS 31
+#endif
+
+#endif /* __ASM_ARCH_MEMORY_H */
diff --git a/arch/arm/mach-exynos/mcpm-exynos.c b/arch/arm/mach-exynos/mcpm-exynos.c
new file mode 100644
index 00000000000..ace0ed61747
--- /dev/null
+++ b/arch/arm/mach-exynos/mcpm-exynos.c
@@ -0,0 +1,358 @@
+/*
+ * Copyright (c) 2014 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com
+ *
+ * arch/arm/mach-exynos/mcpm-exynos.c
+ *
+ * Based on arch/arm/mach-vexpress/dcscb.c
+ *
+ * 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/arm-cci.h>
+#include <linux/delay.h>
+#include <linux/io.h>
+#include <linux/of_address.h>
+
+#include <asm/cputype.h>
+#include <asm/cp15.h>
+#include <asm/mcpm.h>
+
+#include "regs-pmu.h"
+#include "common.h"
+
+#define EXYNOS5420_CPUS_PER_CLUSTER 4
+#define EXYNOS5420_NR_CLUSTERS 2
+
+/*
+ * The common v7_exit_coherency_flush API could not be used because of the
+ * Erratum 799270 workaround. This macro is the same as the common one (in
+ * arch/arm/include/asm/cacheflush.h) except for the erratum handling.
+ */
+#define exynos_v7_exit_coherency_flush(level) \
+ asm volatile( \
+ "stmfd sp!, {fp, ip}\n\t"\
+ "mrc p15, 0, r0, c1, c0, 0 @ get SCTLR\n\t" \
+ "bic r0, r0, #"__stringify(CR_C)"\n\t" \
+ "mcr p15, 0, r0, c1, c0, 0 @ set SCTLR\n\t" \
+ "isb\n\t"\
+ "bl v7_flush_dcache_"__stringify(level)"\n\t" \
+ "clrex\n\t"\
+ "mrc p15, 0, r0, c1, c0, 1 @ get ACTLR\n\t" \
+ "bic r0, r0, #(1 << 6) @ disable local coherency\n\t" \
+ /* Dummy Load of a device register to avoid Erratum 799270 */ \
+ "ldr r4, [%0]\n\t" \
+ "and r4, r4, #0\n\t" \
+ "orr r0, r0, r4\n\t" \
+ "mcr p15, 0, r0, c1, c0, 1 @ set ACTLR\n\t" \
+ "isb\n\t" \
+ "dsb\n\t" \
+ "ldmfd sp!, {fp, ip}" \
+ : \
+ : "Ir" (S5P_INFORM0) \
+ : "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", \
+ "r9", "r10", "lr", "memory")
+
+/*
+ * We can't use regular spinlocks. In the switcher case, it is possible
+ * for an outbound CPU to call power_down() after its inbound counterpart
+ * is already live using the same logical CPU number which trips lockdep
+ * debugging.
+ */
+static arch_spinlock_t exynos_mcpm_lock = __ARCH_SPIN_LOCK_UNLOCKED;
+static int
+cpu_use_count[EXYNOS5420_CPUS_PER_CLUSTER][EXYNOS5420_NR_CLUSTERS];
+
+#define exynos_cluster_usecnt(cluster) \
+ (cpu_use_count[0][cluster] + \
+ cpu_use_count[1][cluster] + \
+ cpu_use_count[2][cluster] + \
+ cpu_use_count[3][cluster])
+
+#define exynos_cluster_unused(cluster) !exynos_cluster_usecnt(cluster)
+
+static int exynos_cluster_power_control(unsigned int cluster, int enable)
+{
+ unsigned int tries = 100;
+ unsigned int val;
+
+ if (enable) {
+ exynos_cluster_power_up(cluster);
+ val = S5P_CORE_LOCAL_PWR_EN;
+ } else {
+ exynos_cluster_power_down(cluster);
+ val = 0;
+ }
+
+ /* Wait until cluster power control is applied */
+ while (tries--) {
+ if (exynos_cluster_power_state(cluster) == val)
+ return 0;
+
+ cpu_relax();
+ }
+ pr_debug("timed out waiting for cluster %u to power %s\n", cluster,
+ enable ? "on" : "off");
+
+ return -ETIMEDOUT;
+}
+
+static int exynos_power_up(unsigned int cpu, unsigned int cluster)
+{
+ unsigned int cpunr = cpu + (cluster * EXYNOS5420_CPUS_PER_CLUSTER);
+ int err = 0;
+
+ pr_debug("%s: cpu %u cluster %u\n", __func__, cpu, cluster);
+ if (cpu >= EXYNOS5420_CPUS_PER_CLUSTER ||
+ cluster >= EXYNOS5420_NR_CLUSTERS)
+ return -EINVAL;
+
+ /*
+ * Since this is called with IRQs enabled, and no arch_spin_lock_irq
+ * variant exists, we need to disable IRQs manually here.
+ */
+ local_irq_disable();
+ arch_spin_lock(&exynos_mcpm_lock);
+
+ cpu_use_count[cpu][cluster]++;
+ if (cpu_use_count[cpu][cluster] == 1) {
+ bool was_cluster_down =
+ (exynos_cluster_usecnt(cluster) == 1);
+
+ /*
+ * Turn on the cluster (L2/COMMON) and then power on the
+ * cores.
+ */
+ if (was_cluster_down)
+ err = exynos_cluster_power_control(cluster, 1);
+
+ if (!err)
+ exynos_cpu_power_up(cpunr);
+ else
+ exynos_cluster_power_control(cluster, 0);
+ } else if (cpu_use_count[cpu][cluster] != 2) {
+ /*
+ * The only possible values are:
+ * 0 = CPU down
+ * 1 = CPU (still) up
+ * 2 = CPU requested to be up before it had a chance
+ * to actually make itself down.
+ * Any other value is a bug.
+ */
+ BUG();
+ }
+
+ arch_spin_unlock(&exynos_mcpm_lock);
+ local_irq_enable();
+
+ return err;
+}
+
+/*
+ * NOTE: This function requires the stack data to be visible through power down
+ * and can only be executed on processors like A15 and A7 that hit the cache
+ * with the C bit clear in the SCTLR register.
+ */
+static void exynos_power_down(void)
+{
+ unsigned int mpidr, cpu, cluster;
+ bool last_man = false, skip_wfi = false;
+ unsigned int cpunr;
+
+ mpidr = read_cpuid_mpidr();
+ cpu = MPIDR_AFFINITY_LEVEL(mpidr, 0);
+ cluster = MPIDR_AFFINITY_LEVEL(mpidr, 1);
+ cpunr = cpu + (cluster * EXYNOS5420_CPUS_PER_CLUSTER);
+
+ pr_debug("%s: cpu %u cluster %u\n", __func__, cpu, cluster);
+ BUG_ON(cpu >= EXYNOS5420_CPUS_PER_CLUSTER ||
+ cluster >= EXYNOS5420_NR_CLUSTERS);
+
+ __mcpm_cpu_going_down(cpu, cluster);
+
+ arch_spin_lock(&exynos_mcpm_lock);
+ BUG_ON(__mcpm_cluster_state(cluster) != CLUSTER_UP);
+ cpu_use_count[cpu][cluster]--;
+ if (cpu_use_count[cpu][cluster] == 0) {
+ exynos_cpu_power_down(cpunr);
+
+ if (exynos_cluster_unused(cluster))
+ /* TODO: Turn off the cluster here to save power. */
+ last_man = true;
+ } else if (cpu_use_count[cpu][cluster] == 1) {
+ /*
+ * A power_up request went ahead of us.
+ * Even if we do not want to shut this CPU down,
+ * the caller expects a certain state as if the WFI
+ * was aborted. So let's continue with cache cleaning.
+ */
+ skip_wfi = true;
+ } else {
+ BUG();
+ }
+
+ if (last_man && __mcpm_outbound_enter_critical(cpu, cluster)) {
+ arch_spin_unlock(&exynos_mcpm_lock);
+
+ if (read_cpuid_part_number() == ARM_CPU_PART_CORTEX_A15) {
+ /*
+ * On the Cortex-A15 we need to disable
+ * L2 prefetching before flushing the cache.
+ */
+ asm volatile(
+ "mcr p15, 1, %0, c15, c0, 3\n\t"
+ "isb\n\t"
+ "dsb"
+ : : "r" (0x400));
+ }
+
+ /* Flush all cache levels for this cluster. */
+ exynos_v7_exit_coherency_flush(all);
+
+ /*
+ * Disable cluster-level coherency by masking
+ * incoming snoops and DVM messages:
+ */
+ cci_disable_port_by_cpu(mpidr);
+
+ __mcpm_outbound_leave_critical(cluster, CLUSTER_DOWN);
+ } else {
+ arch_spin_unlock(&exynos_mcpm_lock);
+
+ /* Disable and flush the local CPU cache. */
+ exynos_v7_exit_coherency_flush(louis);
+ }
+
+ __mcpm_cpu_down(cpu, cluster);
+
+ /* Now we are prepared for power-down, do it: */
+ if (!skip_wfi)
+ wfi();
+
+ /* Not dead at this point? Let our caller cope. */
+}
+
+static int exynos_wait_for_powerdown(unsigned int cpu, unsigned int cluster)
+{
+ unsigned int tries = 100;
+ unsigned int cpunr = cpu + (cluster * EXYNOS5420_CPUS_PER_CLUSTER);
+
+ pr_debug("%s: cpu %u cluster %u\n", __func__, cpu, cluster);
+ BUG_ON(cpu >= EXYNOS5420_CPUS_PER_CLUSTER ||
+ cluster >= EXYNOS5420_NR_CLUSTERS);
+
+ /* Wait for the core state to be OFF */
+ while (tries--) {
+ if (ACCESS_ONCE(cpu_use_count[cpu][cluster]) == 0) {
+ if ((exynos_cpu_power_state(cpunr) == 0))
+ return 0; /* success: the CPU is halted */
+ }
+
+ /* Otherwise, wait and retry: */
+ msleep(1);
+ }
+
+ return -ETIMEDOUT; /* timeout */
+}
+
+static const struct mcpm_platform_ops exynos_power_ops = {
+ .power_up = exynos_power_up,
+ .power_down = exynos_power_down,
+ .wait_for_powerdown = exynos_wait_for_powerdown,
+};
+
+static void __init exynos_mcpm_usage_count_init(void)
+{
+ unsigned int mpidr, cpu, cluster;
+
+ mpidr = read_cpuid_mpidr();
+ cpu = MPIDR_AFFINITY_LEVEL(mpidr, 0);
+ cluster = MPIDR_AFFINITY_LEVEL(mpidr, 1);
+
+ pr_debug("%s: cpu %u cluster %u\n", __func__, cpu, cluster);
+ BUG_ON(cpu >= EXYNOS5420_CPUS_PER_CLUSTER ||
+ cluster >= EXYNOS5420_NR_CLUSTERS);
+
+ cpu_use_count[cpu][cluster] = 1;
+}
+
+/*
+ * Enable cluster-level coherency, in preparation for turning on the MMU.
+ */
+static void __naked exynos_pm_power_up_setup(unsigned int affinity_level)
+{
+ asm volatile ("\n"
+ "cmp r0, #1\n"
+ "bxne lr\n"
+ "b cci_enable_port_for_self");
+}
+
+static const struct of_device_id exynos_dt_mcpm_match[] = {
+ { .compatible = "samsung,exynos5420" },
+ { .compatible = "samsung,exynos5800" },
+ {},
+};
+
+static int __init exynos_mcpm_init(void)
+{
+ struct device_node *node;
+ void __iomem *ns_sram_base_addr;
+ int ret;
+
+ node = of_find_matching_node(NULL, exynos_dt_mcpm_match);
+ if (!node)
+ return -ENODEV;
+ of_node_put(node);
+
+ if (!cci_probed())
+ return -ENODEV;
+
+ node = of_find_compatible_node(NULL, NULL,
+ "samsung,exynos4210-sysram-ns");
+ if (!node)
+ return -ENODEV;
+
+ ns_sram_base_addr = of_iomap(node, 0);
+ of_node_put(node);
+ if (!ns_sram_base_addr) {
+ pr_err("failed to map non-secure iRAM base address\n");
+ return -ENOMEM;
+ }
+
+ /*
+ * To increase the stability of KFC reset we need to program
+ * the PMU SPARE3 register
+ */
+ __raw_writel(EXYNOS5420_SWRESET_KFC_SEL, S5P_PMU_SPARE3);
+
+ exynos_mcpm_usage_count_init();
+
+ ret = mcpm_platform_register(&exynos_power_ops);
+ if (!ret)
+ ret = mcpm_sync_init(exynos_pm_power_up_setup);
+ if (ret) {
+ iounmap(ns_sram_base_addr);
+ return ret;
+ }
+
+ mcpm_smp_set_ops();
+
+ pr_info("Exynos MCPM support installed\n");
+
+ /*
+ * U-Boot SPL is hardcoded to jump to the start of ns_sram_base_addr
+ * as part of secondary_cpu_start(). Let's redirect it to the
+ * mcpm_entry_point().
+ */
+ __raw_writel(0xe59f0000, ns_sram_base_addr); /* ldr r0, [pc, #0] */
+ __raw_writel(0xe12fff10, ns_sram_base_addr + 4); /* bx r0 */
+ __raw_writel(virt_to_phys(mcpm_entry_point), ns_sram_base_addr + 8);
+
+ iounmap(ns_sram_base_addr);
+
+ return ret;
+}
+
+early_initcall(exynos_mcpm_init);
diff --git a/arch/arm/mach-exynos/mfc.h b/arch/arm/mach-exynos/mfc.h
new file mode 100644
index 00000000000..dec93cd5b3c
--- /dev/null
+++ b/arch/arm/mach-exynos/mfc.h
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) 2013 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 as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#ifndef __MACH_EXYNOS_MFC_H
+#define __MACH_EXYNOS_MFC_H __FILE__
+
+int __init s5p_fdt_alloc_mfc_mem(unsigned long node, const char *uname,
+ int depth, void *data);
+
+#endif /* __MACH_EXYNOS_MFC_H */
diff --git a/arch/arm/mach-exynos/platsmp.c b/arch/arm/mach-exynos/platsmp.c
new file mode 100644
index 00000000000..50b9aad5e27
--- /dev/null
+++ b/arch/arm/mach-exynos/platsmp.c
@@ -0,0 +1,262 @@
+/* linux/arch/arm/mach-exynos4/platsmp.c
+ *
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com
+ *
+ * Cloned from linux/arch/arm/mach-vexpress/platsmp.c
+ *
+ * Copyright (C) 2002 ARM Ltd.
+ * All Rights Reserved
+ *
+ * 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/init.h>
+#include <linux/errno.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/jiffies.h>
+#include <linux/smp.h>
+#include <linux/io.h>
+#include <linux/of_address.h>
+
+#include <asm/cacheflush.h>
+#include <asm/smp_plat.h>
+#include <asm/smp_scu.h>
+#include <asm/firmware.h>
+
+#include "common.h"
+#include "regs-pmu.h"
+
+extern void exynos4_secondary_startup(void);
+
+static inline void __iomem *cpu_boot_reg_base(void)
+{
+ if (soc_is_exynos4210() && samsung_rev() == EXYNOS4210_REV_1_1)
+ return S5P_INFORM5;
+ return sysram_base_addr;
+}
+
+static inline void __iomem *cpu_boot_reg(int cpu)
+{
+ void __iomem *boot_reg;
+
+ boot_reg = cpu_boot_reg_base();
+ if (!boot_reg)
+ return ERR_PTR(-ENODEV);
+ if (soc_is_exynos4412())
+ boot_reg += 4*cpu;
+ else if (soc_is_exynos5420() || soc_is_exynos5800())
+ boot_reg += 4;
+ return boot_reg;
+}
+
+/*
+ * Write pen_release in a way that is guaranteed to be visible to all
+ * observers, irrespective of whether they're taking part in coherency
+ * or not. This is necessary for the hotplug code to work reliably.
+ */
+static void write_pen_release(int val)
+{
+ pen_release = val;
+ smp_wmb();
+ sync_cache_w(&pen_release);
+}
+
+static void __iomem *scu_base_addr(void)
+{
+ return (void __iomem *)(S5P_VA_SCU);
+}
+
+static DEFINE_SPINLOCK(boot_lock);
+
+static void exynos_secondary_init(unsigned int cpu)
+{
+ /*
+ * let the primary processor know we're out of the
+ * pen, then head off into the C entry point
+ */
+ write_pen_release(-1);
+
+ /*
+ * Synchronise with the boot thread.
+ */
+ spin_lock(&boot_lock);
+ spin_unlock(&boot_lock);
+}
+
+static int exynos_boot_secondary(unsigned int cpu, struct task_struct *idle)
+{
+ unsigned long timeout;
+ u32 mpidr = cpu_logical_map(cpu);
+ u32 core_id = MPIDR_AFFINITY_LEVEL(mpidr, 0);
+ int ret = -ENOSYS;
+
+ /*
+ * Set synchronisation state between this boot processor
+ * and the secondary one
+ */
+ spin_lock(&boot_lock);
+
+ /*
+ * The secondary processor is waiting to be released from
+ * the holding pen - release it, then wait for it to flag
+ * that it has been released by resetting pen_release.
+ *
+ * Note that "pen_release" is the hardware CPU core ID, whereas
+ * "cpu" is Linux's internal ID.
+ */
+ write_pen_release(core_id);
+
+ if (!exynos_cpu_power_state(core_id)) {
+ exynos_cpu_power_up(core_id);
+ timeout = 10;
+
+ /* wait max 10 ms until cpu1 is on */
+ while (exynos_cpu_power_state(core_id)
+ != S5P_CORE_LOCAL_PWR_EN) {
+ if (timeout-- == 0)
+ break;
+
+ mdelay(1);
+ }
+
+ if (timeout == 0) {
+ printk(KERN_ERR "cpu1 power enable failed");
+ spin_unlock(&boot_lock);
+ return -ETIMEDOUT;
+ }
+ }
+ /*
+ * Send the secondary CPU a soft interrupt, thereby causing
+ * the boot monitor to read the system wide flags register,
+ * and branch to the address found there.
+ */
+
+ timeout = jiffies + (1 * HZ);
+ while (time_before(jiffies, timeout)) {
+ unsigned long boot_addr;
+
+ smp_rmb();
+
+ boot_addr = virt_to_phys(exynos4_secondary_startup);
+
+ /*
+ * Try to set boot address using firmware first
+ * and fall back to boot register if it fails.
+ */
+ ret = call_firmware_op(set_cpu_boot_addr, core_id, boot_addr);
+ if (ret && ret != -ENOSYS)
+ goto fail;
+ if (ret == -ENOSYS) {
+ void __iomem *boot_reg = cpu_boot_reg(core_id);
+
+ if (IS_ERR(boot_reg)) {
+ ret = PTR_ERR(boot_reg);
+ goto fail;
+ }
+ __raw_writel(boot_addr, cpu_boot_reg(core_id));
+ }
+
+ call_firmware_op(cpu_boot, core_id);
+
+ arch_send_wakeup_ipi_mask(cpumask_of(cpu));
+
+ if (pen_release == -1)
+ break;
+
+ udelay(10);
+ }
+
+ /*
+ * now the secondary core is starting up let it run its
+ * calibrations, then wait for it to finish
+ */
+fail:
+ spin_unlock(&boot_lock);
+
+ return pen_release != -1 ? ret : 0;
+}
+
+/*
+ * Initialise the CPU possible map early - this describes the CPUs
+ * which may be present or become present in the system.
+ */
+
+static void __init exynos_smp_init_cpus(void)
+{
+ void __iomem *scu_base = scu_base_addr();
+ unsigned int i, ncores;
+
+ if (read_cpuid_part_number() == ARM_CPU_PART_CORTEX_A9)
+ ncores = scu_base ? scu_get_core_count(scu_base) : 1;
+ else
+ /*
+ * CPU Nodes are passed thru DT and set_cpu_possible
+ * is set by "arm_dt_init_cpu_maps".
+ */
+ return;
+
+ /* sanity check */
+ if (ncores > nr_cpu_ids) {
+ pr_warn("SMP: %u cores greater than maximum (%u), clipping\n",
+ ncores, nr_cpu_ids);
+ ncores = nr_cpu_ids;
+ }
+
+ for (i = 0; i < ncores; i++)
+ set_cpu_possible(i, true);
+}
+
+static void __init exynos_smp_prepare_cpus(unsigned int max_cpus)
+{
+ int i;
+
+ exynos_sysram_init();
+
+ if (read_cpuid_part_number() == ARM_CPU_PART_CORTEX_A9)
+ scu_enable(scu_base_addr());
+
+ /*
+ * Write the address of secondary startup into the
+ * system-wide flags register. The boot monitor waits
+ * until it receives a soft interrupt, and then the
+ * secondary CPU branches to this address.
+ *
+ * Try using firmware operation first and fall back to
+ * boot register if it fails.
+ */
+ for (i = 1; i < max_cpus; ++i) {
+ unsigned long boot_addr;
+ u32 mpidr;
+ u32 core_id;
+ int ret;
+
+ mpidr = cpu_logical_map(i);
+ core_id = MPIDR_AFFINITY_LEVEL(mpidr, 0);
+ boot_addr = virt_to_phys(exynos4_secondary_startup);
+
+ ret = call_firmware_op(set_cpu_boot_addr, core_id, boot_addr);
+ if (ret && ret != -ENOSYS)
+ break;
+ if (ret == -ENOSYS) {
+ void __iomem *boot_reg = cpu_boot_reg(core_id);
+
+ if (IS_ERR(boot_reg))
+ break;
+ __raw_writel(boot_addr, cpu_boot_reg(core_id));
+ }
+ }
+}
+
+struct smp_operations exynos_smp_ops __initdata = {
+ .smp_init_cpus = exynos_smp_init_cpus,
+ .smp_prepare_cpus = exynos_smp_prepare_cpus,
+ .smp_secondary_init = exynos_secondary_init,
+ .smp_boot_secondary = exynos_boot_secondary,
+#ifdef CONFIG_HOTPLUG_CPU
+ .cpu_die = exynos_cpu_die,
+#endif
+};
diff --git a/arch/arm/mach-exynos/pm.c b/arch/arm/mach-exynos/pm.c
new file mode 100644
index 00000000000..202ca73e49c
--- /dev/null
+++ b/arch/arm/mach-exynos/pm.c
@@ -0,0 +1,483 @@
+/*
+ * Copyright (c) 2011-2012 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com
+ *
+ * EXYNOS - Power Management support
+ *
+ * Based on arch/arm/mach-s3c2410/pm.c
+ * Copyright (c) 2006 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/init.h>
+#include <linux/suspend.h>
+#include <linux/syscore_ops.h>
+#include <linux/cpu_pm.h>
+#include <linux/io.h>
+#include <linux/irqchip/arm-gic.h>
+#include <linux/err.h>
+#include <linux/clk.h>
+
+#include <asm/cacheflush.h>
+#include <asm/hardware/cache-l2x0.h>
+#include <asm/smp_scu.h>
+#include <asm/suspend.h>
+
+#include <plat/pm-common.h>
+#include <plat/pll.h>
+#include <plat/regs-srom.h>
+
+#include <mach/map.h>
+
+#include "common.h"
+#include "regs-pmu.h"
+
+/**
+ * struct exynos_wkup_irq - Exynos GIC to PMU IRQ mapping
+ * @hwirq: Hardware IRQ signal of the GIC
+ * @mask: Mask in PMU wake-up mask register
+ */
+struct exynos_wkup_irq {
+ unsigned int hwirq;
+ u32 mask;
+};
+
+static struct sleep_save exynos5_sys_save[] = {
+ SAVE_ITEM(EXYNOS5_SYS_I2C_CFG),
+};
+
+static struct sleep_save exynos_core_save[] = {
+ /* SROM side */
+ SAVE_ITEM(S5P_SROM_BW),
+ SAVE_ITEM(S5P_SROM_BC0),
+ SAVE_ITEM(S5P_SROM_BC1),
+ SAVE_ITEM(S5P_SROM_BC2),
+ SAVE_ITEM(S5P_SROM_BC3),
+};
+
+/*
+ * GIC wake-up support
+ */
+
+static u32 exynos_irqwake_intmask = 0xffffffff;
+
+static const struct exynos_wkup_irq exynos4_wkup_irq[] = {
+ { 76, BIT(1) }, /* RTC alarm */
+ { 77, BIT(2) }, /* RTC tick */
+ { /* sentinel */ },
+};
+
+static const struct exynos_wkup_irq exynos5250_wkup_irq[] = {
+ { 75, BIT(1) }, /* RTC alarm */
+ { 76, BIT(2) }, /* RTC tick */
+ { /* sentinel */ },
+};
+
+static int exynos_irq_set_wake(struct irq_data *data, unsigned int state)
+{
+ const struct exynos_wkup_irq *wkup_irq;
+
+ if (soc_is_exynos5250())
+ wkup_irq = exynos5250_wkup_irq;
+ else
+ wkup_irq = exynos4_wkup_irq;
+
+ while (wkup_irq->mask) {
+ if (wkup_irq->hwirq == data->hwirq) {
+ if (!state)
+ exynos_irqwake_intmask |= wkup_irq->mask;
+ else
+ exynos_irqwake_intmask &= ~wkup_irq->mask;
+ return 0;
+ }
+ ++wkup_irq;
+ }
+
+ return -ENOENT;
+}
+
+/**
+ * exynos_core_power_down : power down the specified cpu
+ * @cpu : the cpu to power down
+ *
+ * Power down the specified cpu. The sequence must be finished by a
+ * call to cpu_do_idle()
+ *
+ */
+void exynos_cpu_power_down(int cpu)
+{
+ __raw_writel(0, EXYNOS_ARM_CORE_CONFIGURATION(cpu));
+}
+
+/**
+ * exynos_cpu_power_up : power up the specified cpu
+ * @cpu : the cpu to power up
+ *
+ * Power up the specified cpu
+ */
+void exynos_cpu_power_up(int cpu)
+{
+ __raw_writel(S5P_CORE_LOCAL_PWR_EN,
+ EXYNOS_ARM_CORE_CONFIGURATION(cpu));
+}
+
+/**
+ * exynos_cpu_power_state : returns the power state of the cpu
+ * @cpu : the cpu to retrieve the power state from
+ *
+ */
+int exynos_cpu_power_state(int cpu)
+{
+ return (__raw_readl(EXYNOS_ARM_CORE_STATUS(cpu)) &
+ S5P_CORE_LOCAL_PWR_EN);
+}
+
+/**
+ * exynos_cluster_power_down : power down the specified cluster
+ * @cluster : the cluster to power down
+ */
+void exynos_cluster_power_down(int cluster)
+{
+ __raw_writel(0, EXYNOS_COMMON_CONFIGURATION(cluster));
+}
+
+/**
+ * exynos_cluster_power_up : power up the specified cluster
+ * @cluster : the cluster to power up
+ */
+void exynos_cluster_power_up(int cluster)
+{
+ __raw_writel(S5P_CORE_LOCAL_PWR_EN,
+ EXYNOS_COMMON_CONFIGURATION(cluster));
+}
+
+/**
+ * exynos_cluster_power_state : returns the power state of the cluster
+ * @cluster : the cluster to retrieve the power state from
+ *
+ */
+int exynos_cluster_power_state(int cluster)
+{
+ return (__raw_readl(EXYNOS_COMMON_STATUS(cluster)) &
+ S5P_CORE_LOCAL_PWR_EN);
+}
+
+#define EXYNOS_BOOT_VECTOR_ADDR (samsung_rev() == EXYNOS4210_REV_1_1 ? \
+ S5P_INFORM7 : (samsung_rev() == EXYNOS4210_REV_1_0 ? \
+ (sysram_base_addr + 0x24) : S5P_INFORM0))
+#define EXYNOS_BOOT_VECTOR_FLAG (samsung_rev() == EXYNOS4210_REV_1_1 ? \
+ S5P_INFORM6 : (samsung_rev() == EXYNOS4210_REV_1_0 ? \
+ (sysram_base_addr + 0x20) : S5P_INFORM1))
+
+#define S5P_CHECK_AFTR 0xFCBA0D10
+#define S5P_CHECK_SLEEP 0x00000BAD
+
+/* Ext-GIC nIRQ/nFIQ is the only wakeup source in AFTR */
+static void exynos_set_wakeupmask(long mask)
+{
+ __raw_writel(mask, S5P_WAKEUP_MASK);
+}
+
+static void exynos_cpu_set_boot_vector(long flags)
+{
+ __raw_writel(virt_to_phys(exynos_cpu_resume), EXYNOS_BOOT_VECTOR_ADDR);
+ __raw_writel(flags, EXYNOS_BOOT_VECTOR_FLAG);
+}
+
+void exynos_enter_aftr(void)
+{
+ exynos_set_wakeupmask(0x0000ff3e);
+ exynos_cpu_set_boot_vector(S5P_CHECK_AFTR);
+ /* Set value of power down register for aftr mode */
+ exynos_sys_powerdown_conf(SYS_AFTR);
+}
+
+/* For Cortex-A9 Diagnostic and Power control register */
+static unsigned int save_arm_register[2];
+
+static void exynos_cpu_save_register(void)
+{
+ unsigned long tmp;
+
+ /* Save Power control register */
+ asm ("mrc p15, 0, %0, c15, c0, 0"
+ : "=r" (tmp) : : "cc");
+
+ save_arm_register[0] = tmp;
+
+ /* Save Diagnostic register */
+ asm ("mrc p15, 0, %0, c15, c0, 1"
+ : "=r" (tmp) : : "cc");
+
+ save_arm_register[1] = tmp;
+}
+
+static void exynos_cpu_restore_register(void)
+{
+ unsigned long tmp;
+
+ /* Restore Power control register */
+ tmp = save_arm_register[0];
+
+ asm volatile ("mcr p15, 0, %0, c15, c0, 0"
+ : : "r" (tmp)
+ : "cc");
+
+ /* Restore Diagnostic register */
+ tmp = save_arm_register[1];
+
+ asm volatile ("mcr p15, 0, %0, c15, c0, 1"
+ : : "r" (tmp)
+ : "cc");
+}
+
+static int exynos_cpu_suspend(unsigned long arg)
+{
+#ifdef CONFIG_CACHE_L2X0
+ outer_flush_all();
+#endif
+
+ if (soc_is_exynos5250())
+ flush_cache_all();
+
+ /* issue the standby signal into the pm unit. */
+ cpu_do_idle();
+
+ pr_info("Failed to suspend the system\n");
+ return 1; /* Aborting suspend */
+}
+
+static void exynos_pm_prepare(void)
+{
+ unsigned int tmp;
+
+ /* Set wake-up mask registers */
+ __raw_writel(exynos_get_eint_wake_mask(), S5P_EINT_WAKEUP_MASK);
+ __raw_writel(exynos_irqwake_intmask & ~(1 << 31), S5P_WAKEUP_MASK);
+
+ s3c_pm_do_save(exynos_core_save, ARRAY_SIZE(exynos_core_save));
+
+ if (soc_is_exynos5250()) {
+ s3c_pm_do_save(exynos5_sys_save, ARRAY_SIZE(exynos5_sys_save));
+ /* Disable USE_RETENTION of JPEG_MEM_OPTION */
+ tmp = __raw_readl(EXYNOS5_JPEG_MEM_OPTION);
+ tmp &= ~EXYNOS5_OPTION_USE_RETENTION;
+ __raw_writel(tmp, EXYNOS5_JPEG_MEM_OPTION);
+ }
+
+ /* Set value of power down register for sleep mode */
+
+ exynos_sys_powerdown_conf(SYS_SLEEP);
+ __raw_writel(S5P_CHECK_SLEEP, S5P_INFORM1);
+
+ /* ensure at least INFORM0 has the resume address */
+
+ __raw_writel(virt_to_phys(exynos_cpu_resume), S5P_INFORM0);
+}
+
+static void exynos_pm_central_suspend(void)
+{
+ unsigned long tmp;
+
+ /* Setting Central Sequence Register for power down mode */
+ tmp = __raw_readl(S5P_CENTRAL_SEQ_CONFIGURATION);
+ tmp &= ~S5P_CENTRAL_LOWPWR_CFG;
+ __raw_writel(tmp, S5P_CENTRAL_SEQ_CONFIGURATION);
+}
+
+static int exynos_pm_suspend(void)
+{
+ unsigned long tmp;
+
+ exynos_pm_central_suspend();
+
+ /* Setting SEQ_OPTION register */
+
+ tmp = (S5P_USE_STANDBY_WFI0 | S5P_USE_STANDBY_WFE0);
+ __raw_writel(tmp, S5P_CENTRAL_SEQ_OPTION);
+
+ if (read_cpuid_part_number() == ARM_CPU_PART_CORTEX_A9)
+ exynos_cpu_save_register();
+
+ return 0;
+}
+
+static int exynos_pm_central_resume(void)
+{
+ unsigned long tmp;
+
+ /*
+ * If PMU failed while entering sleep mode, WFI will be
+ * ignored by PMU and then exiting cpu_do_idle().
+ * S5P_CENTRAL_LOWPWR_CFG bit will not be set automatically
+ * in this situation.
+ */
+ tmp = __raw_readl(S5P_CENTRAL_SEQ_CONFIGURATION);
+ if (!(tmp & S5P_CENTRAL_LOWPWR_CFG)) {
+ tmp |= S5P_CENTRAL_LOWPWR_CFG;
+ __raw_writel(tmp, S5P_CENTRAL_SEQ_CONFIGURATION);
+ /* clear the wakeup state register */
+ __raw_writel(0x0, S5P_WAKEUP_STAT);
+ /* No need to perform below restore code */
+ return -1;
+ }
+
+ return 0;
+}
+
+static void exynos_pm_resume(void)
+{
+ if (exynos_pm_central_resume())
+ goto early_wakeup;
+
+ if (read_cpuid_part_number() == ARM_CPU_PART_CORTEX_A9)
+ exynos_cpu_restore_register();
+
+ /* For release retention */
+
+ __raw_writel((1 << 28), S5P_PAD_RET_MAUDIO_OPTION);
+ __raw_writel((1 << 28), S5P_PAD_RET_GPIO_OPTION);
+ __raw_writel((1 << 28), S5P_PAD_RET_UART_OPTION);
+ __raw_writel((1 << 28), S5P_PAD_RET_MMCA_OPTION);
+ __raw_writel((1 << 28), S5P_PAD_RET_MMCB_OPTION);
+ __raw_writel((1 << 28), S5P_PAD_RET_EBIA_OPTION);
+ __raw_writel((1 << 28), S5P_PAD_RET_EBIB_OPTION);
+
+ if (soc_is_exynos5250())
+ s3c_pm_do_restore(exynos5_sys_save,
+ ARRAY_SIZE(exynos5_sys_save));
+
+ s3c_pm_do_restore_core(exynos_core_save, ARRAY_SIZE(exynos_core_save));
+
+ if (read_cpuid_part_number() == ARM_CPU_PART_CORTEX_A9)
+ scu_enable(S5P_VA_SCU);
+
+early_wakeup:
+
+ /* Clear SLEEP mode set in INFORM1 */
+ __raw_writel(0x0, S5P_INFORM1);
+
+ return;
+}
+
+static struct syscore_ops exynos_pm_syscore_ops = {
+ .suspend = exynos_pm_suspend,
+ .resume = exynos_pm_resume,
+};
+
+/*
+ * Suspend Ops
+ */
+
+static int exynos_suspend_enter(suspend_state_t state)
+{
+ int ret;
+
+ s3c_pm_debug_init();
+
+ S3C_PMDBG("%s: suspending the system...\n", __func__);
+
+ S3C_PMDBG("%s: wakeup masks: %08x,%08x\n", __func__,
+ exynos_irqwake_intmask, exynos_get_eint_wake_mask());
+
+ if (exynos_irqwake_intmask == -1U
+ && exynos_get_eint_wake_mask() == -1U) {
+ pr_err("%s: No wake-up sources!\n", __func__);
+ pr_err("%s: Aborting sleep\n", __func__);
+ return -EINVAL;
+ }
+
+ s3c_pm_save_uarts();
+ exynos_pm_prepare();
+ flush_cache_all();
+ s3c_pm_check_store();
+
+ ret = cpu_suspend(0, exynos_cpu_suspend);
+ if (ret)
+ return ret;
+
+ s3c_pm_restore_uarts();
+
+ S3C_PMDBG("%s: wakeup stat: %08x\n", __func__,
+ __raw_readl(S5P_WAKEUP_STAT));
+
+ s3c_pm_check_restore();
+
+ S3C_PMDBG("%s: resuming the system...\n", __func__);
+
+ return 0;
+}
+
+static int exynos_suspend_prepare(void)
+{
+ s3c_pm_check_prepare();
+
+ return 0;
+}
+
+static void exynos_suspend_finish(void)
+{
+ s3c_pm_check_cleanup();
+}
+
+static const struct platform_suspend_ops exynos_suspend_ops = {
+ .enter = exynos_suspend_enter,
+ .prepare = exynos_suspend_prepare,
+ .finish = exynos_suspend_finish,
+ .valid = suspend_valid_only_mem,
+};
+
+static int exynos_cpu_pm_notifier(struct notifier_block *self,
+ unsigned long cmd, void *v)
+{
+ int cpu = smp_processor_id();
+
+ switch (cmd) {
+ case CPU_PM_ENTER:
+ if (cpu == 0) {
+ exynos_pm_central_suspend();
+ if (read_cpuid_part_number() == ARM_CPU_PART_CORTEX_A9)
+ exynos_cpu_save_register();
+ }
+ break;
+
+ case CPU_PM_EXIT:
+ if (cpu == 0) {
+ if (read_cpuid_part_number() ==
+ ARM_CPU_PART_CORTEX_A9) {
+ scu_enable(S5P_VA_SCU);
+ exynos_cpu_restore_register();
+ }
+ exynos_pm_central_resume();
+ }
+ break;
+ }
+
+ return NOTIFY_OK;
+}
+
+static struct notifier_block exynos_cpu_pm_notifier_block = {
+ .notifier_call = exynos_cpu_pm_notifier,
+};
+
+void __init exynos_pm_init(void)
+{
+ u32 tmp;
+
+ cpu_pm_register_notifier(&exynos_cpu_pm_notifier_block);
+
+ /* Platform-specific GIC callback */
+ gic_arch_extn.irq_set_wake = exynos_irq_set_wake;
+
+ /* All wakeup disable */
+ tmp = __raw_readl(S5P_WAKEUP_MASK);
+ tmp |= ((0xFF << 8) | (0x1F << 1));
+ __raw_writel(tmp, S5P_WAKEUP_MASK);
+
+ register_syscore_ops(&exynos_pm_syscore_ops);
+ suspend_set_ops(&exynos_suspend_ops);
+}
diff --git a/arch/arm/mach-exynos/pm_domains.c b/arch/arm/mach-exynos/pm_domains.c
new file mode 100644
index 00000000000..797cb134bff
--- /dev/null
+++ b/arch/arm/mach-exynos/pm_domains.c
@@ -0,0 +1,243 @@
+/*
+ * Exynos Generic power domain support.
+ *
+ * Copyright (c) 2012 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com
+ *
+ * Implementation of Exynos specific power domain control which is used in
+ * conjunction with runtime-pm. Support for both device-tree and non-device-tree
+ * based power domain support is included.
+ *
+ * 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/io.h>
+#include <linux/err.h>
+#include <linux/slab.h>
+#include <linux/pm_domain.h>
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <linux/of_address.h>
+#include <linux/of_platform.h>
+#include <linux/sched.h>
+
+#include "regs-pmu.h"
+
+#define MAX_CLK_PER_DOMAIN 4
+
+/*
+ * Exynos specific wrapper around the generic power domain
+ */
+struct exynos_pm_domain {
+ void __iomem *base;
+ char const *name;
+ bool is_off;
+ struct generic_pm_domain pd;
+ struct clk *oscclk;
+ struct clk *clk[MAX_CLK_PER_DOMAIN];
+ struct clk *pclk[MAX_CLK_PER_DOMAIN];
+};
+
+static int exynos_pd_power(struct generic_pm_domain *domain, bool power_on)
+{
+ struct exynos_pm_domain *pd;
+ void __iomem *base;
+ u32 timeout, pwr;
+ char *op;
+
+ pd = container_of(domain, struct exynos_pm_domain, pd);
+ base = pd->base;
+
+ /* Set oscclk before powering off a domain*/
+ if (!power_on) {
+ int i;
+
+ for (i = 0; i < MAX_CLK_PER_DOMAIN; i++) {
+ if (IS_ERR(pd->clk[i]))
+ break;
+ if (clk_set_parent(pd->clk[i], pd->oscclk))
+ pr_err("%s: error setting oscclk as parent to clock %d\n",
+ pd->name, i);
+ }
+ }
+
+ pwr = power_on ? S5P_INT_LOCAL_PWR_EN : 0;
+ __raw_writel(pwr, base);
+
+ /* Wait max 1ms */
+ timeout = 10;
+
+ while ((__raw_readl(base + 0x4) & S5P_INT_LOCAL_PWR_EN) != pwr) {
+ if (!timeout) {
+ op = (power_on) ? "enable" : "disable";
+ pr_err("Power domain %s %s failed\n", domain->name, op);
+ return -ETIMEDOUT;
+ }
+ timeout--;
+ cpu_relax();
+ usleep_range(80, 100);
+ }
+
+ /* Restore clocks after powering on a domain*/
+ if (power_on) {
+ int i;
+
+ for (i = 0; i < MAX_CLK_PER_DOMAIN; i++) {
+ if (IS_ERR(pd->clk[i]))
+ break;
+ if (clk_set_parent(pd->clk[i], pd->pclk[i]))
+ pr_err("%s: error setting parent to clock%d\n",
+ pd->name, i);
+ }
+ }
+
+ return 0;
+}
+
+static int exynos_pd_power_on(struct generic_pm_domain *domain)
+{
+ return exynos_pd_power(domain, true);
+}
+
+static int exynos_pd_power_off(struct generic_pm_domain *domain)
+{
+ return exynos_pd_power(domain, false);
+}
+
+static void exynos_add_device_to_domain(struct exynos_pm_domain *pd,
+ struct device *dev)
+{
+ int ret;
+
+ dev_dbg(dev, "adding to power domain %s\n", pd->pd.name);
+
+ while (1) {
+ ret = pm_genpd_add_device(&pd->pd, dev);
+ if (ret != -EAGAIN)
+ break;
+ cond_resched();
+ }
+
+ pm_genpd_dev_need_restore(dev, true);
+}
+
+static void exynos_remove_device_from_domain(struct device *dev)
+{
+ struct generic_pm_domain *genpd = dev_to_genpd(dev);
+ int ret;
+
+ dev_dbg(dev, "removing from power domain %s\n", genpd->name);
+
+ while (1) {
+ ret = pm_genpd_remove_device(genpd, dev);
+ if (ret != -EAGAIN)
+ break;
+ cond_resched();
+ }
+}
+
+static void exynos_read_domain_from_dt(struct device *dev)
+{
+ struct platform_device *pd_pdev;
+ struct exynos_pm_domain *pd;
+ struct device_node *node;
+
+ node = of_parse_phandle(dev->of_node, "samsung,power-domain", 0);
+ if (!node)
+ return;
+ pd_pdev = of_find_device_by_node(node);
+ if (!pd_pdev)
+ return;
+ pd = platform_get_drvdata(pd_pdev);
+ exynos_add_device_to_domain(pd, dev);
+}
+
+static int exynos_pm_notifier_call(struct notifier_block *nb,
+ unsigned long event, void *data)
+{
+ struct device *dev = data;
+
+ switch (event) {
+ case BUS_NOTIFY_BIND_DRIVER:
+ if (dev->of_node)
+ exynos_read_domain_from_dt(dev);
+
+ break;
+
+ case BUS_NOTIFY_UNBOUND_DRIVER:
+ exynos_remove_device_from_domain(dev);
+
+ break;
+ }
+ return NOTIFY_DONE;
+}
+
+static struct notifier_block platform_nb = {
+ .notifier_call = exynos_pm_notifier_call,
+};
+
+static __init int exynos4_pm_init_power_domain(void)
+{
+ struct platform_device *pdev;
+ struct device_node *np;
+
+ for_each_compatible_node(np, NULL, "samsung,exynos4210-pd") {
+ struct exynos_pm_domain *pd;
+ int on, i;
+ struct device *dev;
+
+ pdev = of_find_device_by_node(np);
+ dev = &pdev->dev;
+
+ pd = kzalloc(sizeof(*pd), GFP_KERNEL);
+ if (!pd) {
+ pr_err("%s: failed to allocate memory for domain\n",
+ __func__);
+ return -ENOMEM;
+ }
+
+ pd->pd.name = kstrdup(np->name, GFP_KERNEL);
+ pd->name = pd->pd.name;
+ pd->base = of_iomap(np, 0);
+ pd->pd.power_off = exynos_pd_power_off;
+ pd->pd.power_on = exynos_pd_power_on;
+ pd->pd.of_node = np;
+
+ pd->oscclk = clk_get(dev, "oscclk");
+ if (IS_ERR(pd->oscclk))
+ goto no_clk;
+
+ for (i = 0; i < MAX_CLK_PER_DOMAIN; i++) {
+ char clk_name[8];
+
+ snprintf(clk_name, sizeof(clk_name), "clk%d", i);
+ pd->clk[i] = clk_get(dev, clk_name);
+ if (IS_ERR(pd->clk[i]))
+ break;
+ snprintf(clk_name, sizeof(clk_name), "pclk%d", i);
+ pd->pclk[i] = clk_get(dev, clk_name);
+ if (IS_ERR(pd->pclk[i])) {
+ clk_put(pd->clk[i]);
+ pd->clk[i] = ERR_PTR(-EINVAL);
+ break;
+ }
+ }
+
+ if (IS_ERR(pd->clk[0]))
+ clk_put(pd->oscclk);
+
+no_clk:
+ platform_set_drvdata(pdev, pd);
+
+ on = __raw_readl(pd->base + 0x4) & S5P_INT_LOCAL_PWR_EN;
+
+ pm_genpd_init(&pd->pd, NULL, !on);
+ }
+
+ bus_register_notifier(&platform_bus_type, &platform_nb);
+
+ return 0;
+}
+arch_initcall(exynos4_pm_init_power_domain);
diff --git a/arch/arm/mach-exynos/pmu.c b/arch/arm/mach-exynos/pmu.c
new file mode 100644
index 00000000000..fb0deda3b3a
--- /dev/null
+++ b/arch/arm/mach-exynos/pmu.c
@@ -0,0 +1,423 @@
+/*
+ * Copyright (c) 2011-2012 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com/
+ *
+ * EXYNOS - CPU PMU(Power Management Unit) 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/io.h>
+#include <linux/kernel.h>
+#include <linux/bug.h>
+
+#include "common.h"
+#include "regs-pmu.h"
+
+static const struct exynos_pmu_conf *exynos_pmu_config;
+
+static const struct exynos_pmu_conf exynos4210_pmu_config[] = {
+ /* { .reg = address, .val = { AFTR, LPA, SLEEP } */
+ { S5P_ARM_CORE0_LOWPWR, { 0x0, 0x0, 0x2 } },
+ { S5P_DIS_IRQ_CORE0, { 0x0, 0x0, 0x0 } },
+ { S5P_DIS_IRQ_CENTRAL0, { 0x0, 0x0, 0x0 } },
+ { S5P_ARM_CORE1_LOWPWR, { 0x0, 0x0, 0x2 } },
+ { S5P_DIS_IRQ_CORE1, { 0x0, 0x0, 0x0 } },
+ { S5P_DIS_IRQ_CENTRAL1, { 0x0, 0x0, 0x0 } },
+ { S5P_ARM_COMMON_LOWPWR, { 0x0, 0x0, 0x2 } },
+ { S5P_L2_0_LOWPWR, { 0x2, 0x2, 0x3 } },
+ { S5P_L2_1_LOWPWR, { 0x2, 0x2, 0x3 } },
+ { S5P_CMU_ACLKSTOP_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_CMU_SCLKSTOP_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_CMU_RESET_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_APLL_SYSCLK_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_MPLL_SYSCLK_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_VPLL_SYSCLK_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_EPLL_SYSCLK_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_CMU_CLKSTOP_GPS_ALIVE_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_CMU_RESET_GPSALIVE_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_CMU_CLKSTOP_CAM_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_CMU_CLKSTOP_TV_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_CMU_CLKSTOP_MFC_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_CMU_CLKSTOP_G3D_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_CMU_CLKSTOP_LCD0_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_CMU_CLKSTOP_LCD1_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_CMU_CLKSTOP_MAUDIO_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_CMU_CLKSTOP_GPS_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_CMU_RESET_CAM_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_CMU_RESET_TV_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_CMU_RESET_MFC_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_CMU_RESET_G3D_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_CMU_RESET_LCD0_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_CMU_RESET_LCD1_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_CMU_RESET_MAUDIO_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_CMU_RESET_GPS_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_TOP_BUS_LOWPWR, { 0x3, 0x0, 0x0 } },
+ { S5P_TOP_RETENTION_LOWPWR, { 0x1, 0x0, 0x1 } },
+ { S5P_TOP_PWR_LOWPWR, { 0x3, 0x0, 0x3 } },
+ { S5P_LOGIC_RESET_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_ONENAND_MEM_LOWPWR, { 0x3, 0x0, 0x0 } },
+ { S5P_MODIMIF_MEM_LOWPWR, { 0x3, 0x0, 0x0 } },
+ { S5P_G2D_ACP_MEM_LOWPWR, { 0x3, 0x0, 0x0 } },
+ { S5P_USBOTG_MEM_LOWPWR, { 0x3, 0x0, 0x0 } },
+ { S5P_HSMMC_MEM_LOWPWR, { 0x3, 0x0, 0x0 } },
+ { S5P_CSSYS_MEM_LOWPWR, { 0x3, 0x0, 0x0 } },
+ { S5P_SECSS_MEM_LOWPWR, { 0x3, 0x0, 0x0 } },
+ { S5P_PCIE_MEM_LOWPWR, { 0x3, 0x0, 0x0 } },
+ { S5P_SATA_MEM_LOWPWR, { 0x3, 0x0, 0x0 } },
+ { S5P_PAD_RETENTION_DRAM_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_PAD_RETENTION_MAUDIO_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_PAD_RETENTION_GPIO_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_PAD_RETENTION_UART_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_PAD_RETENTION_MMCA_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_PAD_RETENTION_MMCB_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_PAD_RETENTION_EBIA_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_PAD_RETENTION_EBIB_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_PAD_RETENTION_ISOLATION_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_PAD_RETENTION_ALV_SEL_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_XUSBXTI_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_XXTI_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_EXT_REGULATOR_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_GPIO_MODE_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_GPIO_MODE_MAUDIO_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_CAM_LOWPWR, { 0x7, 0x0, 0x0 } },
+ { S5P_TV_LOWPWR, { 0x7, 0x0, 0x0 } },
+ { S5P_MFC_LOWPWR, { 0x7, 0x0, 0x0 } },
+ { S5P_G3D_LOWPWR, { 0x7, 0x0, 0x0 } },
+ { S5P_LCD0_LOWPWR, { 0x7, 0x0, 0x0 } },
+ { S5P_LCD1_LOWPWR, { 0x7, 0x0, 0x0 } },
+ { S5P_MAUDIO_LOWPWR, { 0x7, 0x7, 0x0 } },
+ { S5P_GPS_LOWPWR, { 0x7, 0x0, 0x0 } },
+ { S5P_GPS_ALIVE_LOWPWR, { 0x7, 0x0, 0x0 } },
+ { PMU_TABLE_END,},
+};
+
+static const struct exynos_pmu_conf exynos4x12_pmu_config[] = {
+ { S5P_ARM_CORE0_LOWPWR, { 0x0, 0x0, 0x2 } },
+ { S5P_DIS_IRQ_CORE0, { 0x0, 0x0, 0x0 } },
+ { S5P_DIS_IRQ_CENTRAL0, { 0x0, 0x0, 0x0 } },
+ { S5P_ARM_CORE1_LOWPWR, { 0x0, 0x0, 0x2 } },
+ { S5P_DIS_IRQ_CORE1, { 0x0, 0x0, 0x0 } },
+ { S5P_DIS_IRQ_CENTRAL1, { 0x0, 0x0, 0x0 } },
+ { S5P_ISP_ARM_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_DIS_IRQ_ISP_ARM_LOCAL_LOWPWR, { 0x0, 0x0, 0x0 } },
+ { S5P_DIS_IRQ_ISP_ARM_CENTRAL_LOWPWR, { 0x0, 0x0, 0x0 } },
+ { S5P_ARM_COMMON_LOWPWR, { 0x0, 0x0, 0x2 } },
+ { S5P_L2_0_LOWPWR, { 0x0, 0x0, 0x3 } },
+ /* XXX_OPTION register should be set other field */
+ { S5P_ARM_L2_0_OPTION, { 0x10, 0x10, 0x0 } },
+ { S5P_L2_1_LOWPWR, { 0x0, 0x0, 0x3 } },
+ { S5P_ARM_L2_1_OPTION, { 0x10, 0x10, 0x0 } },
+ { S5P_CMU_ACLKSTOP_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_CMU_SCLKSTOP_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_CMU_RESET_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_DRAM_FREQ_DOWN_LOWPWR, { 0x1, 0x1, 0x1 } },
+ { S5P_DDRPHY_DLLOFF_LOWPWR, { 0x1, 0x1, 0x1 } },
+ { S5P_LPDDR_PHY_DLL_LOCK_LOWPWR, { 0x1, 0x1, 0x1 } },
+ { S5P_CMU_ACLKSTOP_COREBLK_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_CMU_SCLKSTOP_COREBLK_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_CMU_RESET_COREBLK_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_APLL_SYSCLK_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_MPLL_SYSCLK_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_VPLL_SYSCLK_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_EPLL_SYSCLK_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_MPLLUSER_SYSCLK_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_CMU_CLKSTOP_GPS_ALIVE_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_CMU_RESET_GPSALIVE_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_CMU_CLKSTOP_CAM_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_CMU_CLKSTOP_TV_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_CMU_CLKSTOP_MFC_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_CMU_CLKSTOP_G3D_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_CMU_CLKSTOP_LCD0_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_CMU_CLKSTOP_ISP_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_CMU_CLKSTOP_MAUDIO_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_CMU_CLKSTOP_GPS_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_CMU_RESET_CAM_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_CMU_RESET_TV_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_CMU_RESET_MFC_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_CMU_RESET_G3D_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_CMU_RESET_LCD0_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_CMU_RESET_ISP_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_CMU_RESET_MAUDIO_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_CMU_RESET_GPS_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_TOP_BUS_LOWPWR, { 0x3, 0x0, 0x0 } },
+ { S5P_TOP_RETENTION_LOWPWR, { 0x1, 0x0, 0x1 } },
+ { S5P_TOP_PWR_LOWPWR, { 0x3, 0x0, 0x3 } },
+ { S5P_TOP_BUS_COREBLK_LOWPWR, { 0x3, 0x0, 0x0 } },
+ { S5P_TOP_RETENTION_COREBLK_LOWPWR, { 0x1, 0x0, 0x1 } },
+ { S5P_TOP_PWR_COREBLK_LOWPWR, { 0x3, 0x0, 0x3 } },
+ { S5P_LOGIC_RESET_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_OSCCLK_GATE_LOWPWR, { 0x1, 0x0, 0x1 } },
+ { S5P_LOGIC_RESET_COREBLK_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_OSCCLK_GATE_COREBLK_LOWPWR, { 0x1, 0x0, 0x1 } },
+ { S5P_ONENAND_MEM_LOWPWR, { 0x3, 0x0, 0x0 } },
+ { S5P_ONENAND_MEM_OPTION, { 0x10, 0x10, 0x0 } },
+ { S5P_HSI_MEM_LOWPWR, { 0x3, 0x0, 0x0 } },
+ { S5P_HSI_MEM_OPTION, { 0x10, 0x10, 0x0 } },
+ { S5P_G2D_ACP_MEM_LOWPWR, { 0x3, 0x0, 0x0 } },
+ { S5P_G2D_ACP_MEM_OPTION, { 0x10, 0x10, 0x0 } },
+ { S5P_USBOTG_MEM_LOWPWR, { 0x3, 0x0, 0x0 } },
+ { S5P_USBOTG_MEM_OPTION, { 0x10, 0x10, 0x0 } },
+ { S5P_HSMMC_MEM_LOWPWR, { 0x3, 0x0, 0x0 } },
+ { S5P_HSMMC_MEM_OPTION, { 0x10, 0x10, 0x0 } },
+ { S5P_CSSYS_MEM_LOWPWR, { 0x3, 0x0, 0x0 } },
+ { S5P_CSSYS_MEM_OPTION, { 0x10, 0x10, 0x0 } },
+ { S5P_SECSS_MEM_LOWPWR, { 0x3, 0x0, 0x0 } },
+ { S5P_SECSS_MEM_OPTION, { 0x10, 0x10, 0x0 } },
+ { S5P_ROTATOR_MEM_LOWPWR, { 0x3, 0x0, 0x0 } },
+ { S5P_ROTATOR_MEM_OPTION, { 0x10, 0x10, 0x0 } },
+ { S5P_PAD_RETENTION_DRAM_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_PAD_RETENTION_MAUDIO_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_PAD_RETENTION_GPIO_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_PAD_RETENTION_UART_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_PAD_RETENTION_MMCA_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_PAD_RETENTION_MMCB_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_PAD_RETENTION_EBIA_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_PAD_RETENTION_EBIB_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_PAD_RETENTION_GPIO_COREBLK_LOWPWR,{ 0x1, 0x0, 0x0 } },
+ { S5P_PAD_RETENTION_ISOLATION_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_PAD_ISOLATION_COREBLK_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_PAD_RETENTION_ALV_SEL_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_XUSBXTI_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_XXTI_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_EXT_REGULATOR_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_GPIO_MODE_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_GPIO_MODE_COREBLK_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_GPIO_MODE_MAUDIO_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_TOP_ASB_RESET_LOWPWR, { 0x1, 0x1, 0x1 } },
+ { S5P_TOP_ASB_ISOLATION_LOWPWR, { 0x1, 0x0, 0x1 } },
+ { S5P_CAM_LOWPWR, { 0x7, 0x0, 0x0 } },
+ { S5P_TV_LOWPWR, { 0x7, 0x0, 0x0 } },
+ { S5P_MFC_LOWPWR, { 0x7, 0x0, 0x0 } },
+ { S5P_G3D_LOWPWR, { 0x7, 0x0, 0x0 } },
+ { S5P_LCD0_LOWPWR, { 0x7, 0x0, 0x0 } },
+ { S5P_ISP_LOWPWR, { 0x7, 0x0, 0x0 } },
+ { S5P_MAUDIO_LOWPWR, { 0x7, 0x7, 0x0 } },
+ { S5P_GPS_LOWPWR, { 0x7, 0x0, 0x0 } },
+ { S5P_GPS_ALIVE_LOWPWR, { 0x7, 0x0, 0x0 } },
+ { S5P_CMU_SYSCLK_ISP_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_CMU_SYSCLK_GPS_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { PMU_TABLE_END,},
+};
+
+static const struct exynos_pmu_conf exynos4412_pmu_config[] = {
+ { S5P_ARM_CORE2_LOWPWR, { 0x0, 0x0, 0x2 } },
+ { S5P_DIS_IRQ_CORE2, { 0x0, 0x0, 0x0 } },
+ { S5P_DIS_IRQ_CENTRAL2, { 0x0, 0x0, 0x0 } },
+ { S5P_ARM_CORE3_LOWPWR, { 0x0, 0x0, 0x2 } },
+ { S5P_DIS_IRQ_CORE3, { 0x0, 0x0, 0x0 } },
+ { S5P_DIS_IRQ_CENTRAL3, { 0x0, 0x0, 0x0 } },
+ { PMU_TABLE_END,},
+};
+
+static const struct exynos_pmu_conf exynos5250_pmu_config[] = {
+ /* { .reg = address, .val = { AFTR, LPA, SLEEP } */
+ { EXYNOS5_ARM_CORE0_SYS_PWR_REG, { 0x0, 0x0, 0x2} },
+ { EXYNOS5_DIS_IRQ_ARM_CORE0_LOCAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
+ { EXYNOS5_DIS_IRQ_ARM_CORE0_CENTRAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
+ { EXYNOS5_ARM_CORE1_SYS_PWR_REG, { 0x0, 0x0, 0x2} },
+ { EXYNOS5_DIS_IRQ_ARM_CORE1_LOCAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
+ { EXYNOS5_DIS_IRQ_ARM_CORE1_CENTRAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
+ { EXYNOS5_FSYS_ARM_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
+ { EXYNOS5_DIS_IRQ_FSYS_ARM_CENTRAL_SYS_PWR_REG, { 0x1, 0x1, 0x1} },
+ { EXYNOS5_ISP_ARM_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
+ { EXYNOS5_DIS_IRQ_ISP_ARM_LOCAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
+ { EXYNOS5_DIS_IRQ_ISP_ARM_CENTRAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
+ { EXYNOS5_ARM_COMMON_SYS_PWR_REG, { 0x0, 0x0, 0x2} },
+ { EXYNOS5_ARM_L2_SYS_PWR_REG, { 0x3, 0x3, 0x3} },
+ { EXYNOS5_ARM_L2_OPTION, { 0x10, 0x10, 0x0 } },
+ { EXYNOS5_CMU_ACLKSTOP_SYS_PWR_REG, { 0x1, 0x0, 0x1} },
+ { EXYNOS5_CMU_SCLKSTOP_SYS_PWR_REG, { 0x1, 0x0, 0x1} },
+ { EXYNOS5_CMU_RESET_SYS_PWR_REG, { 0x1, 0x1, 0x0} },
+ { EXYNOS5_CMU_ACLKSTOP_SYSMEM_SYS_PWR_REG, { 0x1, 0x0, 0x1} },
+ { EXYNOS5_CMU_SCLKSTOP_SYSMEM_SYS_PWR_REG, { 0x1, 0x0, 0x1} },
+ { EXYNOS5_CMU_RESET_SYSMEM_SYS_PWR_REG, { 0x1, 0x1, 0x0} },
+ { EXYNOS5_DRAM_FREQ_DOWN_SYS_PWR_REG, { 0x1, 0x1, 0x1} },
+ { EXYNOS5_DDRPHY_DLLOFF_SYS_PWR_REG, { 0x1, 0x1, 0x1} },
+ { EXYNOS5_DDRPHY_DLLLOCK_SYS_PWR_REG, { 0x1, 0x1, 0x1} },
+ { EXYNOS5_APLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
+ { EXYNOS5_MPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
+ { EXYNOS5_VPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
+ { EXYNOS5_EPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x1, 0x0} },
+ { EXYNOS5_BPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
+ { EXYNOS5_CPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
+ { EXYNOS5_MPLLUSER_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
+ { EXYNOS5_BPLLUSER_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
+ { EXYNOS5_TOP_BUS_SYS_PWR_REG, { 0x3, 0x0, 0x0} },
+ { EXYNOS5_TOP_RETENTION_SYS_PWR_REG, { 0x1, 0x0, 0x1} },
+ { EXYNOS5_TOP_PWR_SYS_PWR_REG, { 0x3, 0x0, 0x3} },
+ { EXYNOS5_TOP_BUS_SYSMEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} },
+ { EXYNOS5_TOP_RETENTION_SYSMEM_SYS_PWR_REG, { 0x1, 0x0, 0x1} },
+ { EXYNOS5_TOP_PWR_SYSMEM_SYS_PWR_REG, { 0x3, 0x0, 0x3} },
+ { EXYNOS5_LOGIC_RESET_SYS_PWR_REG, { 0x1, 0x1, 0x0} },
+ { EXYNOS5_OSCCLK_GATE_SYS_PWR_REG, { 0x1, 0x0, 0x1} },
+ { EXYNOS5_LOGIC_RESET_SYSMEM_SYS_PWR_REG, { 0x1, 0x1, 0x0} },
+ { EXYNOS5_OSCCLK_GATE_SYSMEM_SYS_PWR_REG, { 0x1, 0x0, 0x1} },
+ { EXYNOS5_USBOTG_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} },
+ { EXYNOS5_G2D_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} },
+ { EXYNOS5_USBDRD_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} },
+ { EXYNOS5_SDMMC_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} },
+ { EXYNOS5_CSSYS_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} },
+ { EXYNOS5_SECSS_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} },
+ { EXYNOS5_ROTATOR_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} },
+ { EXYNOS5_INTRAM_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} },
+ { EXYNOS5_INTROM_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} },
+ { EXYNOS5_JPEG_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} },
+ { EXYNOS5_HSI_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} },
+ { EXYNOS5_MCUIOP_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} },
+ { EXYNOS5_SATA_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} },
+ { EXYNOS5_PAD_RETENTION_DRAM_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
+ { EXYNOS5_PAD_RETENTION_MAU_SYS_PWR_REG, { 0x1, 0x1, 0x0} },
+ { EXYNOS5_PAD_RETENTION_GPIO_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
+ { EXYNOS5_PAD_RETENTION_UART_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
+ { EXYNOS5_PAD_RETENTION_MMCA_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
+ { EXYNOS5_PAD_RETENTION_MMCB_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
+ { EXYNOS5_PAD_RETENTION_EBIA_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
+ { EXYNOS5_PAD_RETENTION_EBIB_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
+ { EXYNOS5_PAD_RETENTION_SPI_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
+ { EXYNOS5_PAD_RETENTION_GPIO_SYSMEM_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
+ { EXYNOS5_PAD_ISOLATION_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
+ { EXYNOS5_PAD_ISOLATION_SYSMEM_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
+ { EXYNOS5_PAD_ALV_SEL_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
+ { EXYNOS5_XUSBXTI_SYS_PWR_REG, { 0x1, 0x1, 0x1} },
+ { EXYNOS5_XXTI_SYS_PWR_REG, { 0x1, 0x1, 0x0} },
+ { EXYNOS5_EXT_REGULATOR_SYS_PWR_REG, { 0x1, 0x1, 0x0} },
+ { EXYNOS5_GPIO_MODE_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
+ { EXYNOS5_GPIO_MODE_SYSMEM_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
+ { EXYNOS5_GPIO_MODE_MAU_SYS_PWR_REG, { 0x1, 0x1, 0x0} },
+ { EXYNOS5_TOP_ASB_RESET_SYS_PWR_REG, { 0x1, 0x1, 0x1} },
+ { EXYNOS5_TOP_ASB_ISOLATION_SYS_PWR_REG, { 0x1, 0x0, 0x1} },
+ { EXYNOS5_GSCL_SYS_PWR_REG, { 0x7, 0x0, 0x0} },
+ { EXYNOS5_ISP_SYS_PWR_REG, { 0x7, 0x0, 0x0} },
+ { EXYNOS5_MFC_SYS_PWR_REG, { 0x7, 0x0, 0x0} },
+ { EXYNOS5_G3D_SYS_PWR_REG, { 0x7, 0x0, 0x0} },
+ { EXYNOS5_DISP1_SYS_PWR_REG, { 0x7, 0x0, 0x0} },
+ { EXYNOS5_MAU_SYS_PWR_REG, { 0x7, 0x7, 0x0} },
+ { EXYNOS5_CMU_CLKSTOP_GSCL_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
+ { EXYNOS5_CMU_CLKSTOP_ISP_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
+ { EXYNOS5_CMU_CLKSTOP_MFC_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
+ { EXYNOS5_CMU_CLKSTOP_G3D_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
+ { EXYNOS5_CMU_CLKSTOP_DISP1_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
+ { EXYNOS5_CMU_CLKSTOP_MAU_SYS_PWR_REG, { 0x1, 0x1, 0x0} },
+ { EXYNOS5_CMU_SYSCLK_GSCL_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
+ { EXYNOS5_CMU_SYSCLK_ISP_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
+ { EXYNOS5_CMU_SYSCLK_MFC_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
+ { EXYNOS5_CMU_SYSCLK_G3D_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
+ { EXYNOS5_CMU_SYSCLK_DISP1_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
+ { EXYNOS5_CMU_SYSCLK_MAU_SYS_PWR_REG, { 0x1, 0x1, 0x0} },
+ { EXYNOS5_CMU_RESET_GSCL_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
+ { EXYNOS5_CMU_RESET_ISP_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
+ { EXYNOS5_CMU_RESET_MFC_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
+ { EXYNOS5_CMU_RESET_G3D_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
+ { EXYNOS5_CMU_RESET_DISP1_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
+ { EXYNOS5_CMU_RESET_MAU_SYS_PWR_REG, { 0x1, 0x1, 0x0} },
+ { PMU_TABLE_END,},
+};
+
+static void __iomem * const exynos5_list_both_cnt_feed[] = {
+ EXYNOS5_ARM_CORE0_OPTION,
+ EXYNOS5_ARM_CORE1_OPTION,
+ EXYNOS5_ARM_COMMON_OPTION,
+ EXYNOS5_GSCL_OPTION,
+ EXYNOS5_ISP_OPTION,
+ EXYNOS5_MFC_OPTION,
+ EXYNOS5_G3D_OPTION,
+ EXYNOS5_DISP1_OPTION,
+ EXYNOS5_MAU_OPTION,
+ EXYNOS5_TOP_PWR_OPTION,
+ EXYNOS5_TOP_PWR_SYSMEM_OPTION,
+};
+
+static void __iomem * const exynos5_list_diable_wfi_wfe[] = {
+ EXYNOS5_ARM_CORE1_OPTION,
+ EXYNOS5_FSYS_ARM_OPTION,
+ EXYNOS5_ISP_ARM_OPTION,
+};
+
+static void exynos5_init_pmu(void)
+{
+ unsigned int i;
+ unsigned int tmp;
+
+ /*
+ * Enable both SC_FEEDBACK and SC_COUNTER
+ */
+ for (i = 0 ; i < ARRAY_SIZE(exynos5_list_both_cnt_feed) ; i++) {
+ tmp = __raw_readl(exynos5_list_both_cnt_feed[i]);
+ tmp |= (EXYNOS5_USE_SC_FEEDBACK |
+ EXYNOS5_USE_SC_COUNTER);
+ __raw_writel(tmp, exynos5_list_both_cnt_feed[i]);
+ }
+
+ /*
+ * SKIP_DEACTIVATE_ACEACP_IN_PWDN_BITFIELD Enable
+ */
+ tmp = __raw_readl(EXYNOS5_ARM_COMMON_OPTION);
+ tmp |= EXYNOS5_SKIP_DEACTIVATE_ACEACP_IN_PWDN;
+ __raw_writel(tmp, EXYNOS5_ARM_COMMON_OPTION);
+
+ /*
+ * Disable WFI/WFE on XXX_OPTION
+ */
+ for (i = 0 ; i < ARRAY_SIZE(exynos5_list_diable_wfi_wfe) ; i++) {
+ tmp = __raw_readl(exynos5_list_diable_wfi_wfe[i]);
+ tmp &= ~(EXYNOS5_OPTION_USE_STANDBYWFE |
+ EXYNOS5_OPTION_USE_STANDBYWFI);
+ __raw_writel(tmp, exynos5_list_diable_wfi_wfe[i]);
+ }
+}
+
+void exynos_sys_powerdown_conf(enum sys_powerdown mode)
+{
+ unsigned int i;
+
+ if (soc_is_exynos5250())
+ exynos5_init_pmu();
+
+ for (i = 0; (exynos_pmu_config[i].reg != PMU_TABLE_END) ; i++)
+ __raw_writel(exynos_pmu_config[i].val[mode],
+ exynos_pmu_config[i].reg);
+
+ if (soc_is_exynos4412()) {
+ for (i = 0; exynos4412_pmu_config[i].reg != PMU_TABLE_END ; i++)
+ __raw_writel(exynos4412_pmu_config[i].val[mode],
+ exynos4412_pmu_config[i].reg);
+ }
+}
+
+static int __init exynos_pmu_init(void)
+{
+ unsigned int value;
+
+ exynos_pmu_config = exynos4210_pmu_config;
+
+ if (soc_is_exynos4210()) {
+ exynos_pmu_config = exynos4210_pmu_config;
+ pr_info("EXYNOS4210 PMU Initialize\n");
+ } else if (soc_is_exynos4212() || soc_is_exynos4412()) {
+ exynos_pmu_config = exynos4x12_pmu_config;
+ pr_info("EXYNOS4x12 PMU Initialize\n");
+ } else if (soc_is_exynos5250()) {
+ /*
+ * When SYS_WDTRESET is set, watchdog timer reset request
+ * is ignored by power management unit.
+ */
+ value = __raw_readl(EXYNOS5_AUTO_WDTRESET_DISABLE);
+ value &= ~EXYNOS5_SYS_WDTRESET;
+ __raw_writel(value, EXYNOS5_AUTO_WDTRESET_DISABLE);
+
+ value = __raw_readl(EXYNOS5_MASK_WDTRESET_REQUEST);
+ value &= ~EXYNOS5_SYS_WDTRESET;
+ __raw_writel(value, EXYNOS5_MASK_WDTRESET_REQUEST);
+
+ exynos_pmu_config = exynos5250_pmu_config;
+ pr_info("EXYNOS5250 PMU Initialize\n");
+ } else {
+ pr_info("EXYNOS: PMU not supported\n");
+ }
+
+ return 0;
+}
+arch_initcall(exynos_pmu_init);
diff --git a/arch/arm/mach-exynos/regs-pmu.h b/arch/arm/mach-exynos/regs-pmu.h
new file mode 100644
index 00000000000..1d13b08708f
--- /dev/null
+++ b/arch/arm/mach-exynos/regs-pmu.h
@@ -0,0 +1,326 @@
+/*
+ * Copyright (c) 2010-2012 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com
+ *
+ * EXYNOS - 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
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_ARCH_REGS_PMU_H
+#define __ASM_ARCH_REGS_PMU_H __FILE__
+
+#include <mach/map.h>
+
+#define S5P_PMUREG(x) (S5P_VA_PMU + (x))
+#define S5P_SYSREG(x) (S3C_VA_SYS + (x))
+
+#define S5P_CENTRAL_SEQ_CONFIGURATION S5P_PMUREG(0x0200)
+
+#define S5P_CENTRAL_LOWPWR_CFG (1 << 16)
+
+#define S5P_CENTRAL_SEQ_OPTION S5P_PMUREG(0x0208)
+
+#define S5P_USE_STANDBY_WFI0 (1 << 16)
+#define S5P_USE_STANDBY_WFE0 (1 << 24)
+
+#define EXYNOS_SWRESET S5P_PMUREG(0x0400)
+#define EXYNOS5440_SWRESET S5P_PMUREG(0x00C4)
+
+#define S5P_WAKEUP_STAT S5P_PMUREG(0x0600)
+#define S5P_EINT_WAKEUP_MASK S5P_PMUREG(0x0604)
+#define S5P_WAKEUP_MASK S5P_PMUREG(0x0608)
+
+#define S5P_INFORM0 S5P_PMUREG(0x0800)
+#define S5P_INFORM1 S5P_PMUREG(0x0804)
+#define S5P_INFORM5 S5P_PMUREG(0x0814)
+#define S5P_INFORM6 S5P_PMUREG(0x0818)
+#define S5P_INFORM7 S5P_PMUREG(0x081C)
+#define S5P_PMU_SPARE3 S5P_PMUREG(0x090C)
+
+#define S5P_ARM_CORE0_LOWPWR S5P_PMUREG(0x1000)
+#define S5P_DIS_IRQ_CORE0 S5P_PMUREG(0x1004)
+#define S5P_DIS_IRQ_CENTRAL0 S5P_PMUREG(0x1008)
+#define S5P_ARM_CORE1_LOWPWR S5P_PMUREG(0x1010)
+#define S5P_DIS_IRQ_CORE1 S5P_PMUREG(0x1014)
+#define S5P_DIS_IRQ_CENTRAL1 S5P_PMUREG(0x1018)
+#define S5P_ARM_COMMON_LOWPWR S5P_PMUREG(0x1080)
+#define S5P_L2_0_LOWPWR S5P_PMUREG(0x10C0)
+#define S5P_L2_1_LOWPWR S5P_PMUREG(0x10C4)
+#define S5P_CMU_ACLKSTOP_LOWPWR S5P_PMUREG(0x1100)
+#define S5P_CMU_SCLKSTOP_LOWPWR S5P_PMUREG(0x1104)
+#define S5P_CMU_RESET_LOWPWR S5P_PMUREG(0x110C)
+#define S5P_APLL_SYSCLK_LOWPWR S5P_PMUREG(0x1120)
+#define S5P_MPLL_SYSCLK_LOWPWR S5P_PMUREG(0x1124)
+#define S5P_VPLL_SYSCLK_LOWPWR S5P_PMUREG(0x1128)
+#define S5P_EPLL_SYSCLK_LOWPWR S5P_PMUREG(0x112C)
+#define S5P_CMU_CLKSTOP_GPS_ALIVE_LOWPWR S5P_PMUREG(0x1138)
+#define S5P_CMU_RESET_GPSALIVE_LOWPWR S5P_PMUREG(0x113C)
+#define S5P_CMU_CLKSTOP_CAM_LOWPWR S5P_PMUREG(0x1140)
+#define S5P_CMU_CLKSTOP_TV_LOWPWR S5P_PMUREG(0x1144)
+#define S5P_CMU_CLKSTOP_MFC_LOWPWR S5P_PMUREG(0x1148)
+#define S5P_CMU_CLKSTOP_G3D_LOWPWR S5P_PMUREG(0x114C)
+#define S5P_CMU_CLKSTOP_LCD0_LOWPWR S5P_PMUREG(0x1150)
+#define S5P_CMU_CLKSTOP_MAUDIO_LOWPWR S5P_PMUREG(0x1158)
+#define S5P_CMU_CLKSTOP_GPS_LOWPWR S5P_PMUREG(0x115C)
+#define S5P_CMU_RESET_CAM_LOWPWR S5P_PMUREG(0x1160)
+#define S5P_CMU_RESET_TV_LOWPWR S5P_PMUREG(0x1164)
+#define S5P_CMU_RESET_MFC_LOWPWR S5P_PMUREG(0x1168)
+#define S5P_CMU_RESET_G3D_LOWPWR S5P_PMUREG(0x116C)
+#define S5P_CMU_RESET_LCD0_LOWPWR S5P_PMUREG(0x1170)
+#define S5P_CMU_RESET_MAUDIO_LOWPWR S5P_PMUREG(0x1178)
+#define S5P_CMU_RESET_GPS_LOWPWR S5P_PMUREG(0x117C)
+#define S5P_TOP_BUS_LOWPWR S5P_PMUREG(0x1180)
+#define S5P_TOP_RETENTION_LOWPWR S5P_PMUREG(0x1184)
+#define S5P_TOP_PWR_LOWPWR S5P_PMUREG(0x1188)
+#define S5P_LOGIC_RESET_LOWPWR S5P_PMUREG(0x11A0)
+#define S5P_ONENAND_MEM_LOWPWR S5P_PMUREG(0x11C0)
+#define S5P_G2D_ACP_MEM_LOWPWR S5P_PMUREG(0x11C8)
+#define S5P_USBOTG_MEM_LOWPWR S5P_PMUREG(0x11CC)
+#define S5P_HSMMC_MEM_LOWPWR S5P_PMUREG(0x11D0)
+#define S5P_CSSYS_MEM_LOWPWR S5P_PMUREG(0x11D4)
+#define S5P_SECSS_MEM_LOWPWR S5P_PMUREG(0x11D8)
+#define S5P_PAD_RETENTION_DRAM_LOWPWR S5P_PMUREG(0x1200)
+#define S5P_PAD_RETENTION_MAUDIO_LOWPWR S5P_PMUREG(0x1204)
+#define S5P_PAD_RETENTION_GPIO_LOWPWR S5P_PMUREG(0x1220)
+#define S5P_PAD_RETENTION_UART_LOWPWR S5P_PMUREG(0x1224)
+#define S5P_PAD_RETENTION_MMCA_LOWPWR S5P_PMUREG(0x1228)
+#define S5P_PAD_RETENTION_MMCB_LOWPWR S5P_PMUREG(0x122C)
+#define S5P_PAD_RETENTION_EBIA_LOWPWR S5P_PMUREG(0x1230)
+#define S5P_PAD_RETENTION_EBIB_LOWPWR S5P_PMUREG(0x1234)
+#define S5P_PAD_RETENTION_ISOLATION_LOWPWR S5P_PMUREG(0x1240)
+#define S5P_PAD_RETENTION_ALV_SEL_LOWPWR S5P_PMUREG(0x1260)
+#define S5P_XUSBXTI_LOWPWR S5P_PMUREG(0x1280)
+#define S5P_XXTI_LOWPWR S5P_PMUREG(0x1284)
+#define S5P_EXT_REGULATOR_LOWPWR S5P_PMUREG(0x12C0)
+#define S5P_GPIO_MODE_LOWPWR S5P_PMUREG(0x1300)
+#define S5P_GPIO_MODE_MAUDIO_LOWPWR S5P_PMUREG(0x1340)
+#define S5P_CAM_LOWPWR S5P_PMUREG(0x1380)
+#define S5P_TV_LOWPWR S5P_PMUREG(0x1384)
+#define S5P_MFC_LOWPWR S5P_PMUREG(0x1388)
+#define S5P_G3D_LOWPWR S5P_PMUREG(0x138C)
+#define S5P_LCD0_LOWPWR S5P_PMUREG(0x1390)
+#define S5P_MAUDIO_LOWPWR S5P_PMUREG(0x1398)
+#define S5P_GPS_LOWPWR S5P_PMUREG(0x139C)
+#define S5P_GPS_ALIVE_LOWPWR S5P_PMUREG(0x13A0)
+
+#define EXYNOS_ARM_CORE0_CONFIGURATION S5P_PMUREG(0x2000)
+#define EXYNOS_ARM_CORE_CONFIGURATION(_nr) \
+ (EXYNOS_ARM_CORE0_CONFIGURATION + (0x80 * (_nr)))
+#define EXYNOS_ARM_CORE_STATUS(_nr) \
+ (EXYNOS_ARM_CORE_CONFIGURATION(_nr) + 0x4)
+
+#define EXYNOS_ARM_COMMON_CONFIGURATION S5P_PMUREG(0x2500)
+#define EXYNOS_COMMON_CONFIGURATION(_nr) \
+ (EXYNOS_ARM_COMMON_CONFIGURATION + (0x80 * (_nr)))
+#define EXYNOS_COMMON_STATUS(_nr) \
+ (EXYNOS_COMMON_CONFIGURATION(_nr) + 0x4)
+
+#define S5P_PAD_RET_MAUDIO_OPTION S5P_PMUREG(0x3028)
+#define S5P_PAD_RET_GPIO_OPTION S5P_PMUREG(0x3108)
+#define S5P_PAD_RET_UART_OPTION S5P_PMUREG(0x3128)
+#define S5P_PAD_RET_MMCA_OPTION S5P_PMUREG(0x3148)
+#define S5P_PAD_RET_MMCB_OPTION S5P_PMUREG(0x3168)
+#define S5P_PAD_RET_EBIA_OPTION S5P_PMUREG(0x3188)
+#define S5P_PAD_RET_EBIB_OPTION S5P_PMUREG(0x31A8)
+
+#define S5P_CORE_LOCAL_PWR_EN 0x3
+#define S5P_INT_LOCAL_PWR_EN 0x7
+
+/* Only for EXYNOS4210 */
+#define S5P_CMU_CLKSTOP_LCD1_LOWPWR S5P_PMUREG(0x1154)
+#define S5P_CMU_RESET_LCD1_LOWPWR S5P_PMUREG(0x1174)
+#define S5P_MODIMIF_MEM_LOWPWR S5P_PMUREG(0x11C4)
+#define S5P_PCIE_MEM_LOWPWR S5P_PMUREG(0x11E0)
+#define S5P_SATA_MEM_LOWPWR S5P_PMUREG(0x11E4)
+#define S5P_LCD1_LOWPWR S5P_PMUREG(0x1394)
+
+/* Only for EXYNOS4x12 */
+#define S5P_ISP_ARM_LOWPWR S5P_PMUREG(0x1050)
+#define S5P_DIS_IRQ_ISP_ARM_LOCAL_LOWPWR S5P_PMUREG(0x1054)
+#define S5P_DIS_IRQ_ISP_ARM_CENTRAL_LOWPWR S5P_PMUREG(0x1058)
+#define S5P_CMU_ACLKSTOP_COREBLK_LOWPWR S5P_PMUREG(0x1110)
+#define S5P_CMU_SCLKSTOP_COREBLK_LOWPWR S5P_PMUREG(0x1114)
+#define S5P_CMU_RESET_COREBLK_LOWPWR S5P_PMUREG(0x111C)
+#define S5P_MPLLUSER_SYSCLK_LOWPWR S5P_PMUREG(0x1130)
+#define S5P_CMU_CLKSTOP_ISP_LOWPWR S5P_PMUREG(0x1154)
+#define S5P_CMU_RESET_ISP_LOWPWR S5P_PMUREG(0x1174)
+#define S5P_TOP_BUS_COREBLK_LOWPWR S5P_PMUREG(0x1190)
+#define S5P_TOP_RETENTION_COREBLK_LOWPWR S5P_PMUREG(0x1194)
+#define S5P_TOP_PWR_COREBLK_LOWPWR S5P_PMUREG(0x1198)
+#define S5P_OSCCLK_GATE_LOWPWR S5P_PMUREG(0x11A4)
+#define S5P_LOGIC_RESET_COREBLK_LOWPWR S5P_PMUREG(0x11B0)
+#define S5P_OSCCLK_GATE_COREBLK_LOWPWR S5P_PMUREG(0x11B4)
+#define S5P_HSI_MEM_LOWPWR S5P_PMUREG(0x11C4)
+#define S5P_ROTATOR_MEM_LOWPWR S5P_PMUREG(0x11DC)
+#define S5P_PAD_RETENTION_GPIO_COREBLK_LOWPWR S5P_PMUREG(0x123C)
+#define S5P_PAD_ISOLATION_COREBLK_LOWPWR S5P_PMUREG(0x1250)
+#define S5P_GPIO_MODE_COREBLK_LOWPWR S5P_PMUREG(0x1320)
+#define S5P_TOP_ASB_RESET_LOWPWR S5P_PMUREG(0x1344)
+#define S5P_TOP_ASB_ISOLATION_LOWPWR S5P_PMUREG(0x1348)
+#define S5P_ISP_LOWPWR S5P_PMUREG(0x1394)
+#define S5P_DRAM_FREQ_DOWN_LOWPWR S5P_PMUREG(0x13B0)
+#define S5P_DDRPHY_DLLOFF_LOWPWR S5P_PMUREG(0x13B4)
+#define S5P_CMU_SYSCLK_ISP_LOWPWR S5P_PMUREG(0x13B8)
+#define S5P_CMU_SYSCLK_GPS_LOWPWR S5P_PMUREG(0x13BC)
+#define S5P_LPDDR_PHY_DLL_LOCK_LOWPWR S5P_PMUREG(0x13C0)
+
+#define S5P_ARM_L2_0_OPTION S5P_PMUREG(0x2608)
+#define S5P_ARM_L2_1_OPTION S5P_PMUREG(0x2628)
+#define S5P_ONENAND_MEM_OPTION S5P_PMUREG(0x2E08)
+#define S5P_HSI_MEM_OPTION S5P_PMUREG(0x2E28)
+#define S5P_G2D_ACP_MEM_OPTION S5P_PMUREG(0x2E48)
+#define S5P_USBOTG_MEM_OPTION S5P_PMUREG(0x2E68)
+#define S5P_HSMMC_MEM_OPTION S5P_PMUREG(0x2E88)
+#define S5P_CSSYS_MEM_OPTION S5P_PMUREG(0x2EA8)
+#define S5P_SECSS_MEM_OPTION S5P_PMUREG(0x2EC8)
+#define S5P_ROTATOR_MEM_OPTION S5P_PMUREG(0x2F48)
+
+/* Only for EXYNOS4412 */
+#define S5P_ARM_CORE2_LOWPWR S5P_PMUREG(0x1020)
+#define S5P_DIS_IRQ_CORE2 S5P_PMUREG(0x1024)
+#define S5P_DIS_IRQ_CENTRAL2 S5P_PMUREG(0x1028)
+#define S5P_ARM_CORE3_LOWPWR S5P_PMUREG(0x1030)
+#define S5P_DIS_IRQ_CORE3 S5P_PMUREG(0x1034)
+#define S5P_DIS_IRQ_CENTRAL3 S5P_PMUREG(0x1038)
+
+/* For EXYNOS5 */
+
+#define EXYNOS5_SYS_I2C_CFG S5P_SYSREG(0x0234)
+
+#define EXYNOS5_AUTO_WDTRESET_DISABLE S5P_PMUREG(0x0408)
+#define EXYNOS5_MASK_WDTRESET_REQUEST S5P_PMUREG(0x040C)
+
+#define EXYNOS5_SYS_WDTRESET (1 << 20)
+
+#define EXYNOS5_ARM_CORE0_SYS_PWR_REG S5P_PMUREG(0x1000)
+#define EXYNOS5_DIS_IRQ_ARM_CORE0_LOCAL_SYS_PWR_REG S5P_PMUREG(0x1004)
+#define EXYNOS5_DIS_IRQ_ARM_CORE0_CENTRAL_SYS_PWR_REG S5P_PMUREG(0x1008)
+#define EXYNOS5_ARM_CORE1_SYS_PWR_REG S5P_PMUREG(0x1010)
+#define EXYNOS5_DIS_IRQ_ARM_CORE1_LOCAL_SYS_PWR_REG S5P_PMUREG(0x1014)
+#define EXYNOS5_DIS_IRQ_ARM_CORE1_CENTRAL_SYS_PWR_REG S5P_PMUREG(0x1018)
+#define EXYNOS5_FSYS_ARM_SYS_PWR_REG S5P_PMUREG(0x1040)
+#define EXYNOS5_DIS_IRQ_FSYS_ARM_CENTRAL_SYS_PWR_REG S5P_PMUREG(0x1048)
+#define EXYNOS5_ISP_ARM_SYS_PWR_REG S5P_PMUREG(0x1050)
+#define EXYNOS5_DIS_IRQ_ISP_ARM_LOCAL_SYS_PWR_REG S5P_PMUREG(0x1054)
+#define EXYNOS5_DIS_IRQ_ISP_ARM_CENTRAL_SYS_PWR_REG S5P_PMUREG(0x1058)
+#define EXYNOS5_ARM_COMMON_SYS_PWR_REG S5P_PMUREG(0x1080)
+#define EXYNOS5_ARM_L2_SYS_PWR_REG S5P_PMUREG(0x10C0)
+#define EXYNOS5_CMU_ACLKSTOP_SYS_PWR_REG S5P_PMUREG(0x1100)
+#define EXYNOS5_CMU_SCLKSTOP_SYS_PWR_REG S5P_PMUREG(0x1104)
+#define EXYNOS5_CMU_RESET_SYS_PWR_REG S5P_PMUREG(0x110C)
+#define EXYNOS5_CMU_ACLKSTOP_SYSMEM_SYS_PWR_REG S5P_PMUREG(0x1120)
+#define EXYNOS5_CMU_SCLKSTOP_SYSMEM_SYS_PWR_REG S5P_PMUREG(0x1124)
+#define EXYNOS5_CMU_RESET_SYSMEM_SYS_PWR_REG S5P_PMUREG(0x112C)
+#define EXYNOS5_DRAM_FREQ_DOWN_SYS_PWR_REG S5P_PMUREG(0x1130)
+#define EXYNOS5_DDRPHY_DLLOFF_SYS_PWR_REG S5P_PMUREG(0x1134)
+#define EXYNOS5_DDRPHY_DLLLOCK_SYS_PWR_REG S5P_PMUREG(0x1138)
+#define EXYNOS5_APLL_SYSCLK_SYS_PWR_REG S5P_PMUREG(0x1140)
+#define EXYNOS5_MPLL_SYSCLK_SYS_PWR_REG S5P_PMUREG(0x1144)
+#define EXYNOS5_VPLL_SYSCLK_SYS_PWR_REG S5P_PMUREG(0x1148)
+#define EXYNOS5_EPLL_SYSCLK_SYS_PWR_REG S5P_PMUREG(0x114C)
+#define EXYNOS5_BPLL_SYSCLK_SYS_PWR_REG S5P_PMUREG(0x1150)
+#define EXYNOS5_CPLL_SYSCLK_SYS_PWR_REG S5P_PMUREG(0x1154)
+#define EXYNOS5_MPLLUSER_SYSCLK_SYS_PWR_REG S5P_PMUREG(0x1164)
+#define EXYNOS5_BPLLUSER_SYSCLK_SYS_PWR_REG S5P_PMUREG(0x1170)
+#define EXYNOS5_TOP_BUS_SYS_PWR_REG S5P_PMUREG(0x1180)
+#define EXYNOS5_TOP_RETENTION_SYS_PWR_REG S5P_PMUREG(0x1184)
+#define EXYNOS5_TOP_PWR_SYS_PWR_REG S5P_PMUREG(0x1188)
+#define EXYNOS5_TOP_BUS_SYSMEM_SYS_PWR_REG S5P_PMUREG(0x1190)
+#define EXYNOS5_TOP_RETENTION_SYSMEM_SYS_PWR_REG S5P_PMUREG(0x1194)
+#define EXYNOS5_TOP_PWR_SYSMEM_SYS_PWR_REG S5P_PMUREG(0x1198)
+#define EXYNOS5_LOGIC_RESET_SYS_PWR_REG S5P_PMUREG(0x11A0)
+#define EXYNOS5_OSCCLK_GATE_SYS_PWR_REG S5P_PMUREG(0x11A4)
+#define EXYNOS5_LOGIC_RESET_SYSMEM_SYS_PWR_REG S5P_PMUREG(0x11B0)
+#define EXYNOS5_OSCCLK_GATE_SYSMEM_SYS_PWR_REG S5P_PMUREG(0x11B4)
+#define EXYNOS5_USBOTG_MEM_SYS_PWR_REG S5P_PMUREG(0x11C0)
+#define EXYNOS5_G2D_MEM_SYS_PWR_REG S5P_PMUREG(0x11C8)
+#define EXYNOS5_USBDRD_MEM_SYS_PWR_REG S5P_PMUREG(0x11CC)
+#define EXYNOS5_SDMMC_MEM_SYS_PWR_REG S5P_PMUREG(0x11D0)
+#define EXYNOS5_CSSYS_MEM_SYS_PWR_REG S5P_PMUREG(0x11D4)
+#define EXYNOS5_SECSS_MEM_SYS_PWR_REG S5P_PMUREG(0x11D8)
+#define EXYNOS5_ROTATOR_MEM_SYS_PWR_REG S5P_PMUREG(0x11DC)
+#define EXYNOS5_INTRAM_MEM_SYS_PWR_REG S5P_PMUREG(0x11E0)
+#define EXYNOS5_INTROM_MEM_SYS_PWR_REG S5P_PMUREG(0x11E4)
+#define EXYNOS5_JPEG_MEM_SYS_PWR_REG S5P_PMUREG(0x11E8)
+#define EXYNOS5_HSI_MEM_SYS_PWR_REG S5P_PMUREG(0x11EC)
+#define EXYNOS5_MCUIOP_MEM_SYS_PWR_REG S5P_PMUREG(0x11F4)
+#define EXYNOS5_SATA_MEM_SYS_PWR_REG S5P_PMUREG(0x11FC)
+#define EXYNOS5_PAD_RETENTION_DRAM_SYS_PWR_REG S5P_PMUREG(0x1200)
+#define EXYNOS5_PAD_RETENTION_MAU_SYS_PWR_REG S5P_PMUREG(0x1204)
+#define EXYNOS5_PAD_RETENTION_EFNAND_SYS_PWR_REG S5P_PMUREG(0x1208)
+#define EXYNOS5_PAD_RETENTION_GPIO_SYS_PWR_REG S5P_PMUREG(0x1220)
+#define EXYNOS5_PAD_RETENTION_UART_SYS_PWR_REG S5P_PMUREG(0x1224)
+#define EXYNOS5_PAD_RETENTION_MMCA_SYS_PWR_REG S5P_PMUREG(0x1228)
+#define EXYNOS5_PAD_RETENTION_MMCB_SYS_PWR_REG S5P_PMUREG(0x122C)
+#define EXYNOS5_PAD_RETENTION_EBIA_SYS_PWR_REG S5P_PMUREG(0x1230)
+#define EXYNOS5_PAD_RETENTION_EBIB_SYS_PWR_REG S5P_PMUREG(0x1234)
+#define EXYNOS5_PAD_RETENTION_SPI_SYS_PWR_REG S5P_PMUREG(0x1238)
+#define EXYNOS5_PAD_RETENTION_GPIO_SYSMEM_SYS_PWR_REG S5P_PMUREG(0x123C)
+#define EXYNOS5_PAD_ISOLATION_SYS_PWR_REG S5P_PMUREG(0x1240)
+#define EXYNOS5_PAD_ISOLATION_SYSMEM_SYS_PWR_REG S5P_PMUREG(0x1250)
+#define EXYNOS5_PAD_ALV_SEL_SYS_PWR_REG S5P_PMUREG(0x1260)
+#define EXYNOS5_XUSBXTI_SYS_PWR_REG S5P_PMUREG(0x1280)
+#define EXYNOS5_XXTI_SYS_PWR_REG S5P_PMUREG(0x1284)
+#define EXYNOS5_EXT_REGULATOR_SYS_PWR_REG S5P_PMUREG(0x12C0)
+#define EXYNOS5_GPIO_MODE_SYS_PWR_REG S5P_PMUREG(0x1300)
+#define EXYNOS5_GPIO_MODE_SYSMEM_SYS_PWR_REG S5P_PMUREG(0x1320)
+#define EXYNOS5_GPIO_MODE_MAU_SYS_PWR_REG S5P_PMUREG(0x1340)
+#define EXYNOS5_TOP_ASB_RESET_SYS_PWR_REG S5P_PMUREG(0x1344)
+#define EXYNOS5_TOP_ASB_ISOLATION_SYS_PWR_REG S5P_PMUREG(0x1348)
+#define EXYNOS5_GSCL_SYS_PWR_REG S5P_PMUREG(0x1400)
+#define EXYNOS5_ISP_SYS_PWR_REG S5P_PMUREG(0x1404)
+#define EXYNOS5_MFC_SYS_PWR_REG S5P_PMUREG(0x1408)
+#define EXYNOS5_G3D_SYS_PWR_REG S5P_PMUREG(0x140C)
+#define EXYNOS5_DISP1_SYS_PWR_REG S5P_PMUREG(0x1414)
+#define EXYNOS5_MAU_SYS_PWR_REG S5P_PMUREG(0x1418)
+#define EXYNOS5_CMU_CLKSTOP_GSCL_SYS_PWR_REG S5P_PMUREG(0x1480)
+#define EXYNOS5_CMU_CLKSTOP_ISP_SYS_PWR_REG S5P_PMUREG(0x1484)
+#define EXYNOS5_CMU_CLKSTOP_MFC_SYS_PWR_REG S5P_PMUREG(0x1488)
+#define EXYNOS5_CMU_CLKSTOP_G3D_SYS_PWR_REG S5P_PMUREG(0x148C)
+#define EXYNOS5_CMU_CLKSTOP_DISP1_SYS_PWR_REG S5P_PMUREG(0x1494)
+#define EXYNOS5_CMU_CLKSTOP_MAU_SYS_PWR_REG S5P_PMUREG(0x1498)
+#define EXYNOS5_CMU_SYSCLK_GSCL_SYS_PWR_REG S5P_PMUREG(0x14C0)
+#define EXYNOS5_CMU_SYSCLK_ISP_SYS_PWR_REG S5P_PMUREG(0x14C4)
+#define EXYNOS5_CMU_SYSCLK_MFC_SYS_PWR_REG S5P_PMUREG(0x14C8)
+#define EXYNOS5_CMU_SYSCLK_G3D_SYS_PWR_REG S5P_PMUREG(0x14CC)
+#define EXYNOS5_CMU_SYSCLK_DISP1_SYS_PWR_REG S5P_PMUREG(0x14D4)
+#define EXYNOS5_CMU_SYSCLK_MAU_SYS_PWR_REG S5P_PMUREG(0x14D8)
+#define EXYNOS5_CMU_RESET_GSCL_SYS_PWR_REG S5P_PMUREG(0x1580)
+#define EXYNOS5_CMU_RESET_ISP_SYS_PWR_REG S5P_PMUREG(0x1584)
+#define EXYNOS5_CMU_RESET_MFC_SYS_PWR_REG S5P_PMUREG(0x1588)
+#define EXYNOS5_CMU_RESET_G3D_SYS_PWR_REG S5P_PMUREG(0x158C)
+#define EXYNOS5_CMU_RESET_DISP1_SYS_PWR_REG S5P_PMUREG(0x1594)
+#define EXYNOS5_CMU_RESET_MAU_SYS_PWR_REG S5P_PMUREG(0x1598)
+
+#define EXYNOS5_ARM_CORE0_OPTION S5P_PMUREG(0x2008)
+#define EXYNOS5_ARM_CORE1_OPTION S5P_PMUREG(0x2088)
+#define EXYNOS5_FSYS_ARM_OPTION S5P_PMUREG(0x2208)
+#define EXYNOS5_ISP_ARM_OPTION S5P_PMUREG(0x2288)
+#define EXYNOS5_ARM_COMMON_OPTION S5P_PMUREG(0x2408)
+#define EXYNOS5_ARM_L2_OPTION S5P_PMUREG(0x2608)
+#define EXYNOS5_TOP_PWR_OPTION S5P_PMUREG(0x2C48)
+#define EXYNOS5_TOP_PWR_SYSMEM_OPTION S5P_PMUREG(0x2CC8)
+#define EXYNOS5_JPEG_MEM_OPTION S5P_PMUREG(0x2F48)
+#define EXYNOS5_GSCL_OPTION S5P_PMUREG(0x4008)
+#define EXYNOS5_ISP_OPTION S5P_PMUREG(0x4028)
+#define EXYNOS5_MFC_OPTION S5P_PMUREG(0x4048)
+#define EXYNOS5_G3D_OPTION S5P_PMUREG(0x4068)
+#define EXYNOS5_DISP1_OPTION S5P_PMUREG(0x40A8)
+#define EXYNOS5_MAU_OPTION S5P_PMUREG(0x40C8)
+
+#define EXYNOS5_USE_SC_FEEDBACK (1 << 1)
+#define EXYNOS5_USE_SC_COUNTER (1 << 0)
+
+#define EXYNOS5_SKIP_DEACTIVATE_ACEACP_IN_PWDN (1 << 7)
+
+#define EXYNOS5_OPTION_USE_STANDBYWFE (1 << 24)
+#define EXYNOS5_OPTION_USE_STANDBYWFI (1 << 16)
+
+#define EXYNOS5_OPTION_USE_RETENTION (1 << 4)
+
+#define EXYNOS5420_SWRESET_KFC_SEL 0x3
+
+#endif /* __ASM_ARCH_REGS_PMU_H */
diff --git a/arch/arm/mach-exynos/sleep.S b/arch/arm/mach-exynos/sleep.S
new file mode 100644
index 00000000000..108a45f4bb6
--- /dev/null
+++ b/arch/arm/mach-exynos/sleep.S
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2013 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com
+ *
+ * Exynos low-level resume code
+ *
+ * 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.
+ */
+
+#include <linux/linkage.h>
+
+#define CPU_MASK 0xff0ffff0
+#define CPU_CORTEX_A9 0x410fc090
+
+ /*
+ * The following code is located into the .data section. This is to
+ * allow l2x0_regs_phys to be accessed with a relative load while we
+ * can't rely on any MMU translation. We could have put l2x0_regs_phys
+ * in the .text section as well, but some setups might insist on it to
+ * be truly read-only. (Reference from: arch/arm/kernel/sleep.S)
+ */
+ .data
+ .align
+
+ /*
+ * sleep magic, to allow the bootloader to check for an valid
+ * image to resume to. Must be the first word before the
+ * exynos_cpu_resume entry.
+ */
+
+ .word 0x2bedf00d
+
+ /*
+ * exynos_cpu_resume
+ *
+ * resume code entry for bootloader to call
+ */
+
+ENTRY(exynos_cpu_resume)
+#ifdef CONFIG_CACHE_L2X0
+ mrc p15, 0, r0, c0, c0, 0
+ ldr r1, =CPU_MASK
+ and r0, r0, r1
+ ldr r1, =CPU_CORTEX_A9
+ cmp r0, r1
+ bleq l2c310_early_resume
+#endif
+ b cpu_resume
+ENDPROC(exynos_cpu_resume)
diff --git a/arch/arm/mach-exynos/smc.h b/arch/arm/mach-exynos/smc.h
new file mode 100644
index 00000000000..13a1dc8ecbf
--- /dev/null
+++ b/arch/arm/mach-exynos/smc.h
@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2012 Samsung Electronics.
+ *
+ * EXYNOS - SMC Call
+ *
+ * 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_EXYNOS_SMC_H
+#define __ASM_ARCH_EXYNOS_SMC_H
+
+#define SMC_CMD_INIT (-1)
+#define SMC_CMD_INFO (-2)
+/* For Power Management */
+#define SMC_CMD_SLEEP (-3)
+#define SMC_CMD_CPU1BOOT (-4)
+#define SMC_CMD_CPU0AFTR (-5)
+/* For CP15 Access */
+#define SMC_CMD_C15RESUME (-11)
+/* For L2 Cache Access */
+#define SMC_CMD_L2X0CTRL (-21)
+#define SMC_CMD_L2X0SETUP1 (-22)
+#define SMC_CMD_L2X0SETUP2 (-23)
+#define SMC_CMD_L2X0INVALL (-24)
+#define SMC_CMD_L2X0DEBUG (-25)
+
+extern void exynos_smc(u32 cmd, u32 arg1, u32 arg2, u32 arg3);
+
+#endif