arch/arm/mach-exynos/common.h

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