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