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 33 extern unsigned long samsung_cpu_id; 34 35 #define IS_SAMSUNG_CPU(name, id, mask) \ 36 static inline int is_samsung_##name(void) \ 37 { \ 38 return ((samsung_cpu_id & mask) == (id & mask)); \ 39 } 40 41 IS_SAMSUNG_CPU(exynos3250, EXYNOS3250_SOC_ID, EXYNOS3_SOC_MASK) 42 IS_SAMSUNG_CPU(exynos4210, EXYNOS4210_CPU_ID, EXYNOS4_CPU_MASK) 43 IS_SAMSUNG_CPU(exynos4212, EXYNOS4212_CPU_ID, EXYNOS4_CPU_MASK) 44 IS_SAMSUNG_CPU(exynos4412, EXYNOS4412_CPU_ID, EXYNOS4_CPU_MASK) 45 IS_SAMSUNG_CPU(exynos5250, EXYNOS5250_SOC_ID, EXYNOS5_SOC_MASK) 46 IS_SAMSUNG_CPU(exynos5410, EXYNOS5410_SOC_ID, EXYNOS5_SOC_MASK) 47 IS_SAMSUNG_CPU(exynos5420, EXYNOS5420_SOC_ID, EXYNOS5_SOC_MASK) 48 IS_SAMSUNG_CPU(exynos5440, EXYNOS5440_SOC_ID, EXYNOS5_SOC_MASK) 49 IS_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()) 113 114 extern u32 cp15_save_diag; 115 extern u32 cp15_save_power; 116 117 extern void __iomem *sysram_ns_base_addr; 118 extern void __iomem *sysram_base_addr; 119 extern void __iomem *pmu_base_addr; 120 void exynos_sysram_init(void); 121 122 enum { 123 FW_DO_IDLE_SLEEP, 124 FW_DO_IDLE_AFTR, 125 }; 126 127 void 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 137 138 void exynos_set_boot_flag(unsigned int cpu, unsigned int mode); 139 void exynos_clear_boot_flag(unsigned int cpu, unsigned int mode); 140 141 extern u32 exynos_get_eint_wake_mask(void); 142 143 #ifdef CONFIG_PM_SLEEP 144 extern void __init exynos_pm_init(void); 145 #else 146 static inline void exynos_pm_init(void) {} 147 #endif 148 149 extern void exynos_cpu_resume(void); 150 extern void exynos_cpu_resume_ns(void); 151 152 extern struct smp_operations exynos_smp_ops; 153 154 extern void exynos_cpu_power_down(int cpu); 155 extern void exynos_cpu_power_up(int cpu); 156 extern int exynos_cpu_power_state(int cpu); 157 extern void exynos_cluster_power_down(int cluster); 158 extern void exynos_cluster_power_up(int cluster); 159 extern int exynos_cluster_power_state(int cluster); 160 extern void exynos_cpu_save_register(void); 161 extern void exynos_cpu_restore_register(void); 162 extern void exynos_pm_central_suspend(void); 163 extern int exynos_pm_central_resume(void); 164 extern void exynos_enter_aftr(void); 165 166 extern struct cpuidle_exynos_data cpuidle_coupled_exynos_data; 167 168 extern void exynos_set_delayed_reset_assertion(bool enable); 169 170 extern void s5p_init_cpu(void __iomem *cpuid_addr); 171 extern unsigned int samsung_rev(void); 172 extern void exynos_core_restart(u32 core_id); 173 extern int exynos_set_boot_addr(u32 core_id, unsigned long boot_addr); 174 extern int exynos_get_boot_addr(u32 core_id, unsigned long *boot_addr); 175 176 static inline void pmu_raw_writel(u32 val, u32 offset) 177 { 178 __raw_writel(val, pmu_base_addr + offset); 179 } 180 181 static 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