1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Copyright (c) 2011 Samsung Electronics Co., Ltd. 4 * http://www.samsung.com 5 * 6 * Common Header for EXYNOS machines 7 */ 8 9 #ifndef __ARCH_ARM_MACH_EXYNOS_COMMON_H 10 #define __ARCH_ARM_MACH_EXYNOS_COMMON_H 11 12 #include <linux/platform_data/cpuidle-exynos.h> 13 14 #define EXYNOS3250_SOC_ID 0xE3472000 15 #define EXYNOS3_SOC_MASK 0xFFFFF000 16 17 #define EXYNOS4210_CPU_ID 0x43210000 18 #define EXYNOS4412_CPU_ID 0xE4412200 19 #define EXYNOS4_CPU_MASK 0xFFFE0000 20 21 #define EXYNOS5250_SOC_ID 0x43520000 22 #define EXYNOS5410_SOC_ID 0xE5410000 23 #define EXYNOS5420_SOC_ID 0xE5420000 24 #define EXYNOS5440_SOC_ID 0xE5440000 25 #define EXYNOS5800_SOC_ID 0xE5422000 26 #define EXYNOS5_SOC_MASK 0xFFFFF000 27 28 extern unsigned long samsung_cpu_id; 29 30 #define IS_SAMSUNG_CPU(name, id, mask) \ 31 static inline int is_samsung_##name(void) \ 32 { \ 33 return ((samsung_cpu_id & mask) == (id & mask)); \ 34 } 35 36 IS_SAMSUNG_CPU(exynos3250, EXYNOS3250_SOC_ID, EXYNOS3_SOC_MASK) 37 IS_SAMSUNG_CPU(exynos4210, EXYNOS4210_CPU_ID, EXYNOS4_CPU_MASK) 38 IS_SAMSUNG_CPU(exynos4412, EXYNOS4412_CPU_ID, EXYNOS4_CPU_MASK) 39 IS_SAMSUNG_CPU(exynos5250, EXYNOS5250_SOC_ID, EXYNOS5_SOC_MASK) 40 IS_SAMSUNG_CPU(exynos5410, EXYNOS5410_SOC_ID, EXYNOS5_SOC_MASK) 41 IS_SAMSUNG_CPU(exynos5420, EXYNOS5420_SOC_ID, EXYNOS5_SOC_MASK) 42 IS_SAMSUNG_CPU(exynos5440, EXYNOS5440_SOC_ID, EXYNOS5_SOC_MASK) 43 IS_SAMSUNG_CPU(exynos5800, EXYNOS5800_SOC_ID, EXYNOS5_SOC_MASK) 44 45 #if defined(CONFIG_SOC_EXYNOS3250) 46 # define soc_is_exynos3250() is_samsung_exynos3250() 47 #else 48 # define soc_is_exynos3250() 0 49 #endif 50 51 #if defined(CONFIG_CPU_EXYNOS4210) 52 # define soc_is_exynos4210() is_samsung_exynos4210() 53 #else 54 # define soc_is_exynos4210() 0 55 #endif 56 57 #if defined(CONFIG_SOC_EXYNOS4412) 58 # define soc_is_exynos4412() is_samsung_exynos4412() 59 #else 60 # define soc_is_exynos4412() 0 61 #endif 62 63 #define EXYNOS4210_REV_0 (0x0) 64 #define EXYNOS4210_REV_1_0 (0x10) 65 #define EXYNOS4210_REV_1_1 (0x11) 66 67 #if defined(CONFIG_SOC_EXYNOS5250) 68 # define soc_is_exynos5250() is_samsung_exynos5250() 69 #else 70 # define soc_is_exynos5250() 0 71 #endif 72 73 #if defined(CONFIG_SOC_EXYNOS5410) 74 # define soc_is_exynos5410() is_samsung_exynos5410() 75 #else 76 # define soc_is_exynos5410() 0 77 #endif 78 79 #if defined(CONFIG_SOC_EXYNOS5420) 80 # define soc_is_exynos5420() is_samsung_exynos5420() 81 #else 82 # define soc_is_exynos5420() 0 83 #endif 84 85 #if defined(CONFIG_SOC_EXYNOS5440) 86 # define soc_is_exynos5440() is_samsung_exynos5440() 87 #else 88 # define soc_is_exynos5440() 0 89 #endif 90 91 #if defined(CONFIG_SOC_EXYNOS5800) 92 # define soc_is_exynos5800() is_samsung_exynos5800() 93 #else 94 # define soc_is_exynos5800() 0 95 #endif 96 97 #define soc_is_exynos4() (soc_is_exynos4210() || soc_is_exynos4412()) 98 #define soc_is_exynos5() (soc_is_exynos5250() || soc_is_exynos5410() || \ 99 soc_is_exynos5420() || soc_is_exynos5800()) 100 101 extern u32 cp15_save_diag; 102 extern u32 cp15_save_power; 103 104 extern void __iomem *sysram_ns_base_addr; 105 extern void __iomem *sysram_base_addr; 106 extern void __iomem *pmu_base_addr; 107 void exynos_sysram_init(void); 108 109 enum { 110 FW_DO_IDLE_SLEEP, 111 FW_DO_IDLE_AFTR, 112 }; 113 114 void exynos_firmware_init(void); 115 116 /* CPU BOOT mode flag for Exynos3250 SoC bootloader */ 117 #define C2_STATE (1 << 3) 118 /* 119 * Magic values for bootloader indicating chosen low power mode. 120 * See also Documentation/arm/Samsung/Bootloader-interface.txt 121 */ 122 #define EXYNOS_SLEEP_MAGIC 0x00000bad 123 #define EXYNOS_AFTR_MAGIC 0xfcba0d10 124 125 void exynos_set_boot_flag(unsigned int cpu, unsigned int mode); 126 void exynos_clear_boot_flag(unsigned int cpu, unsigned int mode); 127 128 extern u32 exynos_get_eint_wake_mask(void); 129 130 #ifdef CONFIG_PM_SLEEP 131 extern void __init exynos_pm_init(void); 132 #else 133 static inline void exynos_pm_init(void) {} 134 #endif 135 136 extern void exynos_cpu_resume(void); 137 extern void exynos_cpu_resume_ns(void); 138 139 extern const struct smp_operations exynos_smp_ops; 140 141 extern void exynos_cpu_power_down(int cpu); 142 extern void exynos_cpu_power_up(int cpu); 143 extern int exynos_cpu_power_state(int cpu); 144 extern void exynos_cluster_power_down(int cluster); 145 extern void exynos_cluster_power_up(int cluster); 146 extern int exynos_cluster_power_state(int cluster); 147 extern void exynos_cpu_save_register(void); 148 extern void exynos_cpu_restore_register(void); 149 extern void exynos_pm_central_suspend(void); 150 extern int exynos_pm_central_resume(void); 151 extern void exynos_enter_aftr(void); 152 153 extern struct cpuidle_exynos_data cpuidle_coupled_exynos_data; 154 155 extern void exynos_set_delayed_reset_assertion(bool enable); 156 157 extern unsigned int samsung_rev(void); 158 extern void exynos_core_restart(u32 core_id); 159 extern int exynos_set_boot_addr(u32 core_id, unsigned long boot_addr); 160 extern int exynos_get_boot_addr(u32 core_id, unsigned long *boot_addr); 161 162 static inline void pmu_raw_writel(u32 val, u32 offset) 163 { 164 writel_relaxed(val, pmu_base_addr + offset); 165 } 166 167 static inline u32 pmu_raw_readl(u32 offset) 168 { 169 return readl_relaxed(pmu_base_addr + offset); 170 } 171 172 #endif /* __ARCH_ARM_MACH_EXYNOS_COMMON_H */ 173