1/* 2 * Copyright (c) 2011 Samsung Electronics Co., Ltd. 3 * http://www.samsung.com 4 * 5 * Common Header for EXYNOS machines 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License version 2 as 9 * published by the Free Software Foundation. 10 */ 11 12#ifndef __ARCH_ARM_MACH_EXYNOS_COMMON_H 13#define __ARCH_ARM_MACH_EXYNOS_COMMON_H 14 15#include <linux/of.h> 16#include <linux/platform_data/cpuidle-exynos.h> 17 18#define EXYNOS3250_SOC_ID 0xE3472000 19#define EXYNOS3_SOC_MASK 0xFFFFF000 20 21#define EXYNOS4210_CPU_ID 0x43210000 22#define EXYNOS4212_CPU_ID 0x43220000 23#define EXYNOS4412_CPU_ID 0xE4412200 24#define EXYNOS4_CPU_MASK 0xFFFE0000 25 26#define EXYNOS5250_SOC_ID 0x43520000 27#define EXYNOS5410_SOC_ID 0xE5410000 28#define EXYNOS5420_SOC_ID 0xE5420000 29#define EXYNOS5440_SOC_ID 0xE5440000 30#define EXYNOS5800_SOC_ID 0xE5422000 31#define EXYNOS5_SOC_MASK 0xFFFFF000 32 33extern unsigned long samsung_cpu_id; 34 35#define IS_SAMSUNG_CPU(name, id, mask) \ 36static inline int is_samsung_##name(void) \ 37{ \ 38 return ((samsung_cpu_id & mask) == (id & mask)); \ 39} 40 41IS_SAMSUNG_CPU(exynos3250, EXYNOS3250_SOC_ID, EXYNOS3_SOC_MASK) 42IS_SAMSUNG_CPU(exynos4210, EXYNOS4210_CPU_ID, EXYNOS4_CPU_MASK) 43IS_SAMSUNG_CPU(exynos4212, EXYNOS4212_CPU_ID, EXYNOS4_CPU_MASK) 44IS_SAMSUNG_CPU(exynos4412, EXYNOS4412_CPU_ID, EXYNOS4_CPU_MASK) 45IS_SAMSUNG_CPU(exynos5250, EXYNOS5250_SOC_ID, EXYNOS5_SOC_MASK) 46IS_SAMSUNG_CPU(exynos5410, EXYNOS5410_SOC_ID, EXYNOS5_SOC_MASK) 47IS_SAMSUNG_CPU(exynos5420, EXYNOS5420_SOC_ID, EXYNOS5_SOC_MASK) 48IS_SAMSUNG_CPU(exynos5440, EXYNOS5440_SOC_ID, EXYNOS5_SOC_MASK) 49IS_SAMSUNG_CPU(exynos5800, EXYNOS5800_SOC_ID, EXYNOS5_SOC_MASK) 50 51#if defined(CONFIG_SOC_EXYNOS3250) 52# define soc_is_exynos3250() is_samsung_exynos3250() 53#else 54# define soc_is_exynos3250() 0 55#endif 56 57#if defined(CONFIG_CPU_EXYNOS4210) 58# define soc_is_exynos4210() is_samsung_exynos4210() 59#else 60# define soc_is_exynos4210() 0 61#endif 62 63#if defined(CONFIG_SOC_EXYNOS4212) 64# define soc_is_exynos4212() is_samsung_exynos4212() 65#else 66# define soc_is_exynos4212() 0 67#endif 68 69#if defined(CONFIG_SOC_EXYNOS4412) 70# define soc_is_exynos4412() is_samsung_exynos4412() 71#else 72# define soc_is_exynos4412() 0 73#endif 74 75#define EXYNOS4210_REV_0 (0x0) 76#define EXYNOS4210_REV_1_0 (0x10) 77#define EXYNOS4210_REV_1_1 (0x11) 78 79#if defined(CONFIG_SOC_EXYNOS5250) 80# define soc_is_exynos5250() is_samsung_exynos5250() 81#else 82# define soc_is_exynos5250() 0 83#endif 84 85#if defined(CONFIG_SOC_EXYNOS5410) 86# define soc_is_exynos5410() is_samsung_exynos5410() 87#else 88# define soc_is_exynos5410() 0 89#endif 90 91#if defined(CONFIG_SOC_EXYNOS5420) 92# define soc_is_exynos5420() is_samsung_exynos5420() 93#else 94# define soc_is_exynos5420() 0 95#endif 96 97#if defined(CONFIG_SOC_EXYNOS5440) 98# define soc_is_exynos5440() is_samsung_exynos5440() 99#else 100# define soc_is_exynos5440() 0 101#endif 102 103#if defined(CONFIG_SOC_EXYNOS5800) 104# define soc_is_exynos5800() is_samsung_exynos5800() 105#else 106# define soc_is_exynos5800() 0 107#endif 108 109#define soc_is_exynos4() (soc_is_exynos4210() || soc_is_exynos4212() || \ 110 soc_is_exynos4412()) 111#define soc_is_exynos5() (soc_is_exynos5250() || soc_is_exynos5410() || \ 112 soc_is_exynos5420() || soc_is_exynos5800()) 113 114extern u32 cp15_save_diag; 115extern u32 cp15_save_power; 116 117extern void __iomem *sysram_ns_base_addr; 118extern void __iomem *sysram_base_addr; 119extern void __iomem *pmu_base_addr; 120void exynos_sysram_init(void); 121 122enum { 123 FW_DO_IDLE_SLEEP, 124 FW_DO_IDLE_AFTR, 125}; 126 127void exynos_firmware_init(void); 128 129/* CPU BOOT mode flag for Exynos3250 SoC bootloader */ 130#define C2_STATE (1 << 3) 131/* 132 * Magic values for bootloader indicating chosen low power mode. 133 * See also Documentation/arm/Samsung/Bootloader-interface.txt 134 */ 135#define EXYNOS_SLEEP_MAGIC 0x00000bad 136#define EXYNOS_AFTR_MAGIC 0xfcba0d10 137 138void exynos_set_boot_flag(unsigned int cpu, unsigned int mode); 139void exynos_clear_boot_flag(unsigned int cpu, unsigned int mode); 140 141extern u32 exynos_get_eint_wake_mask(void); 142 143#ifdef CONFIG_PM_SLEEP 144extern void __init exynos_pm_init(void); 145#else 146static inline void exynos_pm_init(void) {} 147#endif 148 149extern void exynos_cpu_resume(void); 150extern void exynos_cpu_resume_ns(void); 151 152extern struct smp_operations exynos_smp_ops; 153 154extern void exynos_cpu_power_down(int cpu); 155extern void exynos_cpu_power_up(int cpu); 156extern int exynos_cpu_power_state(int cpu); 157extern void exynos_cluster_power_down(int cluster); 158extern void exynos_cluster_power_up(int cluster); 159extern int exynos_cluster_power_state(int cluster); 160extern void exynos_cpu_save_register(void); 161extern void exynos_cpu_restore_register(void); 162extern void exynos_pm_central_suspend(void); 163extern int exynos_pm_central_resume(void); 164extern void exynos_enter_aftr(void); 165 166extern struct cpuidle_exynos_data cpuidle_coupled_exynos_data; 167 168extern void exynos_set_delayed_reset_assertion(bool enable); 169 170extern void s5p_init_cpu(void __iomem *cpuid_addr); 171extern unsigned int samsung_rev(void); 172extern void exynos_core_restart(u32 core_id); 173extern int exynos_set_boot_addr(u32 core_id, unsigned long boot_addr); 174extern int exynos_get_boot_addr(u32 core_id, unsigned long *boot_addr); 175 176static inline void pmu_raw_writel(u32 val, u32 offset) 177{ 178 __raw_writel(val, pmu_base_addr + offset); 179} 180 181static inline u32 pmu_raw_readl(u32 offset) 182{ 183 return __raw_readl(pmu_base_addr + offset); 184} 185 186#endif /* __ARCH_ARM_MACH_EXYNOS_COMMON_H */ 187