1 /* linux/arch/arm/plat-samsung/include/plat/cpu.h 2 * 3 * Copyright (c) 2011 Samsung Electronics Co., Ltd. 4 * http://www.samsung.com/ 5 * 6 * Copyright (c) 2004-2005 Simtec Electronics 7 * Ben Dooks <ben@simtec.co.uk> 8 * 9 * Header file for Samsung CPU support 10 * 11 * This program is free software; you can redistribute it and/or modify 12 * it under the terms of the GNU General Public License version 2 as 13 * published by the Free Software Foundation. 14 */ 15 16 /* todo - fix when rmk changes iodescs to use `void __iomem *` */ 17 18 #ifndef __SAMSUNG_PLAT_CPU_H 19 #define __SAMSUNG_PLAT_CPU_H 20 21 extern unsigned long samsung_cpu_id; 22 23 #define S3C24XX_CPU_ID 0x32400000 24 #define S3C24XX_CPU_MASK 0xFFF00000 25 26 #define S3C2412_CPU_ID 0x32412000 27 #define S3C2412_CPU_MASK 0xFFFFF000 28 29 #define S3C6400_CPU_ID 0x36400000 30 #define S3C6410_CPU_ID 0x36410000 31 #define S3C64XX_CPU_MASK 0xFFFFF000 32 33 #define S5P6440_CPU_ID 0x56440000 34 #define S5P6450_CPU_ID 0x36450000 35 #define S5P64XX_CPU_MASK 0xFFFFF000 36 37 #define S5PC100_CPU_ID 0x43100000 38 #define S5PC100_CPU_MASK 0xFFFFF000 39 40 #define S5PV210_CPU_ID 0x43110000 41 #define S5PV210_CPU_MASK 0xFFFFF000 42 43 #define EXYNOS4210_CPU_ID 0x43210000 44 #define EXYNOS4212_CPU_ID 0x43220000 45 #define EXYNOS4412_CPU_ID 0xE4412200 46 #define EXYNOS4_CPU_MASK 0xFFFE0000 47 48 #define EXYNOS5250_SOC_ID 0x43520000 49 #define EXYNOS5440_SOC_ID 0xE5440000 50 #define EXYNOS5_SOC_MASK 0xFFFFF000 51 52 #define IS_SAMSUNG_CPU(name, id, mask) \ 53 static inline int is_samsung_##name(void) \ 54 { \ 55 return ((samsung_cpu_id & mask) == (id & mask)); \ 56 } 57 58 IS_SAMSUNG_CPU(s3c24xx, S3C24XX_CPU_ID, S3C24XX_CPU_MASK) 59 IS_SAMSUNG_CPU(s3c2412, S3C2412_CPU_ID, S3C2412_CPU_MASK) 60 IS_SAMSUNG_CPU(s3c6400, S3C6400_CPU_ID, S3C64XX_CPU_MASK) 61 IS_SAMSUNG_CPU(s3c6410, S3C6410_CPU_ID, S3C64XX_CPU_MASK) 62 IS_SAMSUNG_CPU(s5p6440, S5P6440_CPU_ID, S5P64XX_CPU_MASK) 63 IS_SAMSUNG_CPU(s5p6450, S5P6450_CPU_ID, S5P64XX_CPU_MASK) 64 IS_SAMSUNG_CPU(s5pc100, S5PC100_CPU_ID, S5PC100_CPU_MASK) 65 IS_SAMSUNG_CPU(s5pv210, S5PV210_CPU_ID, S5PV210_CPU_MASK) 66 IS_SAMSUNG_CPU(exynos4210, EXYNOS4210_CPU_ID, EXYNOS4_CPU_MASK) 67 IS_SAMSUNG_CPU(exynos4212, EXYNOS4212_CPU_ID, EXYNOS4_CPU_MASK) 68 IS_SAMSUNG_CPU(exynos4412, EXYNOS4412_CPU_ID, EXYNOS4_CPU_MASK) 69 IS_SAMSUNG_CPU(exynos5250, EXYNOS5250_SOC_ID, EXYNOS5_SOC_MASK) 70 IS_SAMSUNG_CPU(exynos5440, EXYNOS5440_SOC_ID, EXYNOS5_SOC_MASK) 71 72 #if defined(CONFIG_CPU_S3C2410) || defined(CONFIG_CPU_S3C2412) || \ 73 defined(CONFIG_CPU_S3C2416) || defined(CONFIG_CPU_S3C2440) || \ 74 defined(CONFIG_CPU_S3C2442) || defined(CONFIG_CPU_S3C244X) || \ 75 defined(CONFIG_CPU_S3C2443) 76 # define soc_is_s3c24xx() is_samsung_s3c24xx() 77 #else 78 # define soc_is_s3c24xx() 0 79 #endif 80 81 #if defined(CONFIG_CPU_S3C2412) 82 # define soc_is_s3c2412() is_samsung_s3c2412() 83 #else 84 # define soc_is_s3c2412() 0 85 #endif 86 87 #if defined(CONFIG_CPU_S3C6400) || defined(CONFIG_CPU_S3C6410) 88 # define soc_is_s3c64xx() (is_samsung_s3c6400() || is_samsung_s3c6410()) 89 #else 90 # define soc_is_s3c64xx() 0 91 #endif 92 93 #if defined(CONFIG_CPU_S5P6440) 94 # define soc_is_s5p6440() is_samsung_s5p6440() 95 #else 96 # define soc_is_s5p6440() 0 97 #endif 98 99 #if defined(CONFIG_CPU_S5P6450) 100 # define soc_is_s5p6450() is_samsung_s5p6450() 101 #else 102 # define soc_is_s5p6450() 0 103 #endif 104 105 #if defined(CONFIG_CPU_S5PC100) 106 # define soc_is_s5pc100() is_samsung_s5pc100() 107 #else 108 # define soc_is_s5pc100() 0 109 #endif 110 111 #if defined(CONFIG_CPU_S5PV210) 112 # define soc_is_s5pv210() is_samsung_s5pv210() 113 #else 114 # define soc_is_s5pv210() 0 115 #endif 116 117 #if defined(CONFIG_CPU_EXYNOS4210) 118 # define soc_is_exynos4210() is_samsung_exynos4210() 119 #else 120 # define soc_is_exynos4210() 0 121 #endif 122 123 #if defined(CONFIG_SOC_EXYNOS4212) 124 # define soc_is_exynos4212() is_samsung_exynos4212() 125 #else 126 # define soc_is_exynos4212() 0 127 #endif 128 129 #if defined(CONFIG_SOC_EXYNOS4412) 130 # define soc_is_exynos4412() is_samsung_exynos4412() 131 #else 132 # define soc_is_exynos4412() 0 133 #endif 134 135 #define EXYNOS4210_REV_0 (0x0) 136 #define EXYNOS4210_REV_1_0 (0x10) 137 #define EXYNOS4210_REV_1_1 (0x11) 138 139 #if defined(CONFIG_SOC_EXYNOS5250) 140 # define soc_is_exynos5250() is_samsung_exynos5250() 141 #else 142 # define soc_is_exynos5250() 0 143 #endif 144 145 #if defined(CONFIG_SOC_EXYNOS5440) 146 # define soc_is_exynos5440() is_samsung_exynos5440() 147 #else 148 # define soc_is_exynos5440() 0 149 #endif 150 151 #define IODESC_ENT(x) { (unsigned long)S3C24XX_VA_##x, __phys_to_pfn(S3C24XX_PA_##x), S3C24XX_SZ_##x, MT_DEVICE } 152 153 #ifndef KHZ 154 #define KHZ (1000) 155 #endif 156 157 #ifndef MHZ 158 #define MHZ (1000*1000) 159 #endif 160 161 #define print_mhz(m) ((m) / MHZ), (((m) / 1000) % 1000) 162 163 /* forward declaration */ 164 struct s3c24xx_uart_resources; 165 struct platform_device; 166 struct s3c2410_uartcfg; 167 struct map_desc; 168 169 /* per-cpu initialisation function table. */ 170 171 struct cpu_table { 172 unsigned long idcode; 173 unsigned long idmask; 174 void (*map_io)(void); 175 void (*init_uarts)(struct s3c2410_uartcfg *cfg, int no); 176 void (*init_clocks)(int xtal); 177 int (*init)(void); 178 const char *name; 179 }; 180 181 extern void s3c_init_cpu(unsigned long idcode, 182 struct cpu_table *cpus, unsigned int cputab_size); 183 184 /* core initialisation functions */ 185 186 extern void s5p_init_irq(u32 *vic, u32 num_vic); 187 188 extern void s3c24xx_init_io(struct map_desc *mach_desc, int size); 189 190 extern void s3c24xx_init_cpu(void); 191 extern void s3c64xx_init_cpu(void); 192 extern void s5p_init_cpu(void __iomem *cpuid_addr); 193 194 extern unsigned int samsung_rev(void); 195 196 extern void s3c24xx_init_uarts(struct s3c2410_uartcfg *cfg, int no); 197 198 extern void s3c24xx_init_clocks(int xtal); 199 200 extern void s3c24xx_init_uartdevs(char *name, 201 struct s3c24xx_uart_resources *res, 202 struct s3c2410_uartcfg *cfg, int no); 203 204 extern struct syscore_ops s3c2410_pm_syscore_ops; 205 extern struct syscore_ops s3c2412_pm_syscore_ops; 206 extern struct syscore_ops s3c2416_pm_syscore_ops; 207 extern struct syscore_ops s3c244x_pm_syscore_ops; 208 209 /* system device subsystems */ 210 211 extern struct bus_type s3c2410_subsys; 212 extern struct bus_type s3c2410a_subsys; 213 extern struct bus_type s3c2412_subsys; 214 extern struct bus_type s3c2416_subsys; 215 extern struct bus_type s3c2440_subsys; 216 extern struct bus_type s3c2442_subsys; 217 extern struct bus_type s3c2443_subsys; 218 extern struct bus_type s3c6410_subsys; 219 extern struct bus_type s5p64x0_subsys; 220 extern struct bus_type s5pv210_subsys; 221 extern struct bus_type exynos_subsys; 222 223 extern void (*s5pc1xx_idle)(void); 224 225 #endif 226