arch/arm/mach-exynos/common.h

   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/platform_data/cpuidle-exynos.h>
  16
  17 #define EXYNOS3250_SOC_ID       0xE3472000
  18 #define EXYNOS3_SOC_MASK        0xFFFFF000
  19
  20 #define EXYNOS4210_CPU_ID       0x43210000
  21 #define EXYNOS4212_CPU_ID       0x43220000
  22 #define EXYNOS4412_CPU_ID       0xE4412200
  23 #define EXYNOS4_CPU_MASK        0xFFFE0000
  24
  25 #define EXYNOS5250_SOC_ID       0x43520000
  26 #define EXYNOS5410_SOC_ID       0xE5410000
  27 #define EXYNOS5420_SOC_ID       0xE5420000
  28 #define EXYNOS5440_SOC_ID       0xE5440000
  29 #define EXYNOS5800_SOC_ID       0xE5422000
  30 #define EXYNOS5_SOC_MASK        0xFFFFF000
  31
  32 extern unsigned long samsung_cpu_id;
  33
  34 #define IS_SAMSUNG_CPU(name, id, mask)          \
  35 static inline int is_samsung_##name(void)       \
  36 {                                               \
  37         return ((samsung_cpu_id & mask) == (id & mask));        \
  38 }
  39
  40 IS_SAMSUNG_CPU(exynos3250, EXYNOS3250_SOC_ID, EXYNOS3_SOC_MASK)
  41 IS_SAMSUNG_CPU(exynos4210, EXYNOS4210_CPU_ID, EXYNOS4_CPU_MASK)
  42 IS_SAMSUNG_CPU(exynos4212, EXYNOS4212_CPU_ID, EXYNOS4_CPU_MASK)
  43 IS_SAMSUNG_CPU(exynos4412, EXYNOS4412_CPU_ID, EXYNOS4_CPU_MASK)
  44 IS_SAMSUNG_CPU(exynos5250, EXYNOS5250_SOC_ID, EXYNOS5_SOC_MASK)
  45 IS_SAMSUNG_CPU(exynos5410, EXYNOS5410_SOC_ID, EXYNOS5_SOC_MASK)
  46 IS_SAMSUNG_CPU(exynos5420, EXYNOS5420_SOC_ID, EXYNOS5_SOC_MASK)
  47 IS_SAMSUNG_CPU(exynos5440, EXYNOS5440_SOC_ID, EXYNOS5_SOC_MASK)
  48 IS_SAMSUNG_CPU(exynos5800, EXYNOS5800_SOC_ID, EXYNOS5_SOC_MASK)
  49
  50 #if defined(CONFIG_SOC_EXYNOS3250)
  51 # define soc_is_exynos3250()    is_samsung_exynos3250()
  52 #else
  53 # define soc_is_exynos3250()    0
  54 #endif
  55
  56 #if defined(CONFIG_CPU_EXYNOS4210)
  57 # define soc_is_exynos4210()    is_samsung_exynos4210()
  58 #else
  59 # define soc_is_exynos4210()    0
  60 #endif
  61
  62 #if defined(CONFIG_SOC_EXYNOS4212)
  63 # define soc_is_exynos4212()    is_samsung_exynos4212()
  64 #else
  65 # define soc_is_exynos4212()    0
  66 #endif
  67
  68 #if defined(CONFIG_SOC_EXYNOS4412)
  69 # define soc_is_exynos4412()    is_samsung_exynos4412()
  70 #else
  71 # define soc_is_exynos4412()    0
  72 #endif
  73
  74 #define EXYNOS4210_REV_0        (0x0)
  75 #define EXYNOS4210_REV_1_0      (0x10)
  76 #define EXYNOS4210_REV_1_1      (0x11)
  77
  78 #if defined(CONFIG_SOC_EXYNOS5250)
  79 # define soc_is_exynos5250()    is_samsung_exynos5250()
  80 #else
  81 # define soc_is_exynos5250()    0
  82 #endif
  83
  84 #if defined(CONFIG_SOC_EXYNOS5410)
  85 # define soc_is_exynos5410()    is_samsung_exynos5410()
  86 #else
  87 # define soc_is_exynos5410()    0
  88 #endif
  89
  90 #if defined(CONFIG_SOC_EXYNOS5420)
  91 # define soc_is_exynos5420()    is_samsung_exynos5420()
  92 #else
  93 # define soc_is_exynos5420()    0
  94 #endif
  95
  96 #if defined(CONFIG_SOC_EXYNOS5440)
  97 # define soc_is_exynos5440()    is_samsung_exynos5440()
  98 #else
  99 # define soc_is_exynos5440()    0
 100 #endif
 101
 102 #if defined(CONFIG_SOC_EXYNOS5800)
 103 # define soc_is_exynos5800()    is_samsung_exynos5800()
 104 #else
 105 # define soc_is_exynos5800()    0
 106 #endif
 107
 108 #define soc_is_exynos4() (soc_is_exynos4210() || soc_is_exynos4212() || \
 109                           soc_is_exynos4412())
 110 #define soc_is_exynos5() (soc_is_exynos5250() || soc_is_exynos5410() || \
 111                           soc_is_exynos5420() || soc_is_exynos5800())
 112
 113 extern u32 cp15_save_diag;
 114 extern u32 cp15_save_power;
 115
 116 extern void __iomem *sysram_ns_base_addr;
 117 extern void __iomem *sysram_base_addr;
 118 extern void __iomem *pmu_base_addr;
 119 void exynos_sysram_init(void);
 120
 121 enum {
 122         FW_DO_IDLE_SLEEP,
 123         FW_DO_IDLE_AFTR,
 124 };
 125
 126 void exynos_firmware_init(void);
 127
 128 /* CPU BOOT mode flag for Exynos3250 SoC bootloader */
 129 #define C2_STATE        (1 << 3)
 130 /*
 131  * Magic values for bootloader indicating chosen low power mode.
 132  * See also Documentation/arm/Samsung/Bootloader-interface.txt
 133  */
 134 #define EXYNOS_SLEEP_MAGIC      0x00000bad
 135 #define EXYNOS_AFTR_MAGIC       0xfcba0d10
 136
 137 void exynos_set_boot_flag(unsigned int cpu, unsigned int mode);
 138 void exynos_clear_boot_flag(unsigned int cpu, unsigned int mode);
 139
 140 extern u32 exynos_get_eint_wake_mask(void);
 141
 142 #ifdef CONFIG_PM_SLEEP
 143 extern void __init exynos_pm_init(void);
 144 #else
 145 static inline void exynos_pm_init(void) {}
 146 #endif
 147
 148 extern void exynos_cpu_resume(void);
 149 extern void exynos_cpu_resume_ns(void);
 150
 151 extern const struct smp_operations exynos_smp_ops;
 152
 153 extern void exynos_cpu_power_down(int cpu);
 154 extern void exynos_cpu_power_up(int cpu);
 155 extern int  exynos_cpu_power_state(int cpu);
 156 extern void exynos_cluster_power_down(int cluster);
 157 extern void exynos_cluster_power_up(int cluster);
 158 extern int  exynos_cluster_power_state(int cluster);
 159 extern void exynos_cpu_save_register(void);
 160 extern void exynos_cpu_restore_register(void);
 161 extern void exynos_pm_central_suspend(void);
 162 extern int exynos_pm_central_resume(void);
 163 extern void exynos_enter_aftr(void);
 164
 165 extern struct cpuidle_exynos_data cpuidle_coupled_exynos_data;
 166
 167 extern void exynos_set_delayed_reset_assertion(bool enable);
 168
 169 extern unsigned int samsung_rev(void);
 170 extern void exynos_core_restart(u32 core_id);
 171 extern int exynos_set_boot_addr(u32 core_id, unsigned long boot_addr);
 172 extern int exynos_get_boot_addr(u32 core_id, unsigned long *boot_addr);
 173
 174 static inline void pmu_raw_writel(u32 val, u32 offset)
 175 {
 176         writel_relaxed(val, pmu_base_addr + offset);
 177 }
 178
 179 static inline u32 pmu_raw_readl(u32 offset)
 180 {
 181         return readl_relaxed(pmu_base_addr + offset);
 182 }
 183
 184 #endif /* __ARCH_ARM_MACH_EXYNOS_COMMON_H */