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 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 */