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/reboot.h>
  16 #include <linux/of.h>
  17
  18 #define EXYNOS3250_SOC_ID       0xE3472000
  19 #define EXYNOS3_SOC_MASK        0xFFFFF000
  20
  21 #define EXYNOS4210_CPU_ID       0x43210000
  22 #define EXYNOS4212_CPU_ID       0x43220000
  23 #define EXYNOS4412_CPU_ID       0xE4412200
  24 #define EXYNOS4_CPU_MASK        0xFFFE0000
  25
  26 #define EXYNOS5250_SOC_ID       0x43520000
  27 #define EXYNOS5410_SOC_ID       0xE5410000
  28 #define EXYNOS5420_SOC_ID       0xE5420000
  29 #define EXYNOS5440_SOC_ID       0xE5440000
  30 #define EXYNOS5800_SOC_ID       0xE5422000
  31 #define EXYNOS5_SOC_MASK        0xFFFFF000
  32
  33 extern unsigned long samsung_cpu_id;
  34
  35 #define IS_SAMSUNG_CPU(name, id, mask)          \
  36 static inline int is_samsung_##name(void)       \
  37 {                                               \
  38         return ((samsung_cpu_id & mask) == (id & mask));        \
  39 }
  40
  41 IS_SAMSUNG_CPU(exynos3250, EXYNOS3250_SOC_ID, EXYNOS3_SOC_MASK)
  42 IS_SAMSUNG_CPU(exynos4210, EXYNOS4210_CPU_ID, EXYNOS4_CPU_MASK)
  43 IS_SAMSUNG_CPU(exynos4212, EXYNOS4212_CPU_ID, EXYNOS4_CPU_MASK)
  44 IS_SAMSUNG_CPU(exynos4412, EXYNOS4412_CPU_ID, EXYNOS4_CPU_MASK)
  45 IS_SAMSUNG_CPU(exynos5250, EXYNOS5250_SOC_ID, EXYNOS5_SOC_MASK)
  46 IS_SAMSUNG_CPU(exynos5410, EXYNOS5410_SOC_ID, EXYNOS5_SOC_MASK)
  47 IS_SAMSUNG_CPU(exynos5420, EXYNOS5420_SOC_ID, EXYNOS5_SOC_MASK)
  48 IS_SAMSUNG_CPU(exynos5440, EXYNOS5440_SOC_ID, EXYNOS5_SOC_MASK)
  49 IS_SAMSUNG_CPU(exynos5800, EXYNOS5800_SOC_ID, EXYNOS5_SOC_MASK)
  50
  51 #if defined(CONFIG_SOC_EXYNOS3250)
  52 # define soc_is_exynos3250()    is_samsung_exynos3250()
  53 #else
  54 # define soc_is_exynos3250()    0
  55 #endif
  56
  57 #if defined(CONFIG_CPU_EXYNOS4210)
  58 # define soc_is_exynos4210()    is_samsung_exynos4210()
  59 #else
  60 # define soc_is_exynos4210()    0
  61 #endif
  62
  63 #if defined(CONFIG_SOC_EXYNOS4212)
  64 # define soc_is_exynos4212()    is_samsung_exynos4212()
  65 #else
  66 # define soc_is_exynos4212()    0
  67 #endif
  68
  69 #if defined(CONFIG_SOC_EXYNOS4412)
  70 # define soc_is_exynos4412()    is_samsung_exynos4412()
  71 #else
  72 # define soc_is_exynos4412()    0
  73 #endif
  74
  75 #define EXYNOS4210_REV_0        (0x0)
  76 #define EXYNOS4210_REV_1_0      (0x10)
  77 #define EXYNOS4210_REV_1_1      (0x11)
  78
  79 #if defined(CONFIG_SOC_EXYNOS5250)
  80 # define soc_is_exynos5250()    is_samsung_exynos5250()
  81 #else
  82 # define soc_is_exynos5250()    0
  83 #endif
  84
  85 #if defined(CONFIG_SOC_EXYNOS5410)
  86 # define soc_is_exynos5410()    is_samsung_exynos5410()
  87 #else
  88 # define soc_is_exynos5410()    0
  89 #endif
  90
  91 #if defined(CONFIG_SOC_EXYNOS5420)
  92 # define soc_is_exynos5420()    is_samsung_exynos5420()
  93 #else
  94 # define soc_is_exynos5420()    0
  95 #endif
  96
  97 #if defined(CONFIG_SOC_EXYNOS5440)
  98 # define soc_is_exynos5440()    is_samsung_exynos5440()
  99 #else
 100 # define soc_is_exynos5440()    0
 101 #endif
 102
 103 #if defined(CONFIG_SOC_EXYNOS5800)
 104 # define soc_is_exynos5800()    is_samsung_exynos5800()
 105 #else
 106 # define soc_is_exynos5800()    0
 107 #endif
 108
 109 #define soc_is_exynos4() (soc_is_exynos4210() || soc_is_exynos4212() || \
 110                           soc_is_exynos4412())
 111 #define soc_is_exynos5() (soc_is_exynos5250() || soc_is_exynos5410() || \
 112                           soc_is_exynos5420() || soc_is_exynos5800())
 113
 114 void mct_init(void __iomem *base, int irq_g0, int irq_l0, int irq_l1);
 115
 116 struct map_desc;
 117 extern void __iomem *sysram_ns_base_addr;
 118 extern void __iomem *sysram_base_addr;
 119 void exynos_init_io(void);
 120 void exynos_restart(enum reboot_mode mode, const char *cmd);
 121 void exynos_cpuidle_init(void);
 122 void exynos_cpufreq_init(void);
 123 void exynos_init_late(void);
 124
 125 void exynos_firmware_init(void);
 126
 127 #ifdef CONFIG_PINCTRL_EXYNOS
 128 extern u32 exynos_get_eint_wake_mask(void);
 129 #else
 130 static inline u32 exynos_get_eint_wake_mask(void) { return 0xffffffff; }
 131 #endif
 132
 133 #ifdef CONFIG_PM_SLEEP
 134 extern void __init exynos_pm_init(void);
 135 #else
 136 static inline void exynos_pm_init(void) {}
 137 #endif
 138
 139 extern void exynos_cpu_resume(void);
 140
 141 extern struct smp_operations exynos_smp_ops;
 142
 143 extern void exynos_cpu_die(unsigned int cpu);
 144
 145 /* PMU(Power Management Unit) support */
 146
 147 #define PMU_TABLE_END   NULL
 148
 149 enum sys_powerdown {
 150         SYS_AFTR,
 151         SYS_LPA,
 152         SYS_SLEEP,
 153         NUM_SYS_POWERDOWN,
 154 };
 155
 156 struct exynos_pmu_conf {
 157         void __iomem *reg;
 158         unsigned int val[NUM_SYS_POWERDOWN];
 159 };
 160
 161 extern void exynos_sys_powerdown_conf(enum sys_powerdown mode);
 162 extern void exynos_cpu_power_down(int cpu);
 163 extern void exynos_cpu_power_up(int cpu);
 164 extern int  exynos_cpu_power_state(int cpu);
 165 extern void exynos_cluster_power_down(int cluster);
 166 extern void exynos_cluster_power_up(int cluster);
 167 extern int  exynos_cluster_power_state(int cluster);
 168 extern void exynos_enter_aftr(void);
 169
 170 extern void s5p_init_cpu(void __iomem *cpuid_addr);
 171 extern unsigned int samsung_rev(void);
 172
 173 #endif /* __ARCH_ARM_MACH_EXYNOS_COMMON_H */