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 EXYNOS4212_CPU_ID 0x43220000 19 #define EXYNOS4412_CPU_ID 0xE4412200 20 #define EXYNOS4_CPU_MASK 0xFFFE0000 21 22 #define EXYNOS5250_SOC_ID 0x43520000 23 #define EXYNOS5410_SOC_ID 0xE5410000 24 #define EXYNOS5420_SOC_ID 0xE5420000 25 #define EXYNOS5800_SOC_ID 0xE5422000 26 #define EXYNOS5_SOC_MASK 0xFFFFF000 27 28 extern unsigned long exynos_cpu_id; 29 30 #define IS_SAMSUNG_CPU(name, id, mask) \ 31 static inline int is_samsung_##name(void) \ 32 { \ 33 return ((exynos_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(exynos4212, EXYNOS4212_CPU_ID, EXYNOS4_CPU_MASK) 39 IS_SAMSUNG_CPU(exynos4412, EXYNOS4412_CPU_ID, EXYNOS4_CPU_MASK) 40 IS_SAMSUNG_CPU(exynos5250, EXYNOS5250_SOC_ID, EXYNOS5_SOC_MASK) 41 IS_SAMSUNG_CPU(exynos5410, EXYNOS5410_SOC_ID, EXYNOS5_SOC_MASK) 42 IS_SAMSUNG_CPU(exynos5420, EXYNOS5420_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_EXYNOS4212) 58 # define soc_is_exynos4212() is_samsung_exynos4212() 59 #else 60 # define soc_is_exynos4212() 0 61 #endif 62 63 #if defined(CONFIG_SOC_EXYNOS4412) 64 # define soc_is_exynos4412() is_samsung_exynos4412() 65 #else 66 # define soc_is_exynos4412() 0 67 #endif 68 69 #define EXYNOS4210_REV_0 (0x0) 70 #define EXYNOS4210_REV_1_0 (0x10) 71 #define EXYNOS4210_REV_1_1 (0x11) 72 73 #if defined(CONFIG_SOC_EXYNOS5250) 74 # define soc_is_exynos5250() is_samsung_exynos5250() 75 #else 76 # define soc_is_exynos5250() 0 77 #endif 78 79 #if defined(CONFIG_SOC_EXYNOS5410) 80 # define soc_is_exynos5410() is_samsung_exynos5410() 81 #else 82 # define soc_is_exynos5410() 0 83 #endif 84 85 #if defined(CONFIG_SOC_EXYNOS5420) 86 # define soc_is_exynos5420() is_samsung_exynos5420() 87 #else 88 # define soc_is_exynos5420() 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 extern u32 cp15_save_diag; 98 extern u32 cp15_save_power; 99 100 extern void __iomem *sysram_ns_base_addr; 101 extern void __iomem *sysram_base_addr; 102 extern phys_addr_t sysram_base_phys; 103 extern void __iomem *pmu_base_addr; 104 void exynos_sysram_init(void); 105 106 enum { 107 FW_DO_IDLE_SLEEP, 108 FW_DO_IDLE_AFTR, 109 }; 110 111 void exynos_firmware_init(void); 112 113 /* CPU BOOT mode flag for Exynos3250 SoC bootloader */ 114 #define C2_STATE (1 << 3) 115 /* 116 * Magic values for bootloader indicating chosen low power mode. 117 * See also Documentation/arch/arm/samsung/bootloader-interface.rst 118 */ 119 #define EXYNOS_SLEEP_MAGIC 0x00000bad 120 #define EXYNOS_AFTR_MAGIC 0xfcba0d10 121 122 bool __init exynos_secure_firmware_available(void); 123 void exynos_set_boot_flag(unsigned int cpu, unsigned int mode); 124 void exynos_clear_boot_flag(unsigned int cpu, unsigned int mode); 125 126 #ifdef CONFIG_PM_SLEEP 127 extern void __init exynos_pm_init(void); 128 #else 129 static inline void exynos_pm_init(void) {} 130 #endif 131 132 extern void exynos_cpu_resume(void); 133 extern void exynos_cpu_resume_ns(void); 134 135 extern const struct smp_operations exynos_smp_ops; 136 137 extern void exynos_cpu_power_down(int cpu); 138 extern void exynos_cpu_power_up(int cpu); 139 extern int exynos_cpu_power_state(int cpu); 140 extern void exynos_cluster_power_down(int cluster); 141 extern void exynos_cluster_power_up(int cluster); 142 extern int exynos_cluster_power_state(int cluster); 143 extern void exynos_cpu_save_register(void); 144 extern void exynos_cpu_restore_register(void); 145 extern void exynos_pm_central_suspend(void); 146 extern int exynos_pm_central_resume(void); 147 extern void exynos_enter_aftr(void); 148 #ifdef CONFIG_SMP 149 extern void exynos_scu_enable(void); 150 #else 151 static inline void exynos_scu_enable(void) { } 152 #endif 153 154 extern struct cpuidle_exynos_data cpuidle_coupled_exynos_data; 155 156 extern void exynos_set_delayed_reset_assertion(bool enable); 157 158 extern unsigned int exynos_rev(void); 159 extern void exynos_core_restart(u32 core_id); 160 extern int exynos_set_boot_addr(u32 core_id, unsigned long boot_addr); 161 extern int exynos_get_boot_addr(u32 core_id, unsigned long *boot_addr); 162 163 static inline void pmu_raw_writel(u32 val, u32 offset) 164 { 165 writel_relaxed(val, pmu_base_addr + offset); 166 } 167 168 static inline u32 pmu_raw_readl(u32 offset) 169 { 170 return readl_relaxed(pmu_base_addr + offset); 171 } 172 173 #endif /* __ARCH_ARM_MACH_EXYNOS_COMMON_H */ 174