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 S3C6400_CPU_ID 0x36400000 27 #define S3C6410_CPU_ID 0x36410000 28 #define S3C64XX_CPU_MASK 0xFFFFF000 29 30 #define S5P6440_CPU_ID 0x56440000 31 #define S5P6450_CPU_ID 0x36450000 32 #define S5P64XX_CPU_MASK 0xFFFFF000 33 34 #define S5PC100_CPU_ID 0x43100000 35 #define S5PC100_CPU_MASK 0xFFFFF000 36 37 #define S5PV210_CPU_ID 0x43110000 38 #define S5PV210_CPU_MASK 0xFFFFF000 39 40 #define EXYNOS4210_CPU_ID 0x43210000 41 #define EXYNOS4212_CPU_ID 0x43220000 42 #define EXYNOS4412_CPU_ID 0xE4412200 43 #define EXYNOS4_CPU_MASK 0xFFFE0000 44 45 #define EXYNOS5250_SOC_ID 0x43520000 46 #define EXYNOS5_SOC_MASK 0xFFFFF000 47 48 #define IS_SAMSUNG_CPU(name, id, mask) \ 49 static inline int is_samsung_##name(void) \ 50 { \ 51 return ((samsung_cpu_id & mask) == (id & mask)); \ 52 } 53 54 IS_SAMSUNG_CPU(s3c24xx, S3C24XX_CPU_ID, S3C24XX_CPU_MASK) 55 IS_SAMSUNG_CPU(s3c6400, S3C6400_CPU_ID, S3C64XX_CPU_MASK) 56 IS_SAMSUNG_CPU(s3c6410, S3C6410_CPU_ID, S3C64XX_CPU_MASK) 57 IS_SAMSUNG_CPU(s5p6440, S5P6440_CPU_ID, S5P64XX_CPU_MASK) 58 IS_SAMSUNG_CPU(s5p6450, S5P6450_CPU_ID, S5P64XX_CPU_MASK) 59 IS_SAMSUNG_CPU(s5pc100, S5PC100_CPU_ID, S5PC100_CPU_MASK) 60 IS_SAMSUNG_CPU(s5pv210, S5PV210_CPU_ID, S5PV210_CPU_MASK) 61 IS_SAMSUNG_CPU(exynos4210, EXYNOS4210_CPU_ID, EXYNOS4_CPU_MASK) 62 IS_SAMSUNG_CPU(exynos4212, EXYNOS4212_CPU_ID, EXYNOS4_CPU_MASK) 63 IS_SAMSUNG_CPU(exynos4412, EXYNOS4412_CPU_ID, EXYNOS4_CPU_MASK) 64 IS_SAMSUNG_CPU(exynos5250, EXYNOS5250_SOC_ID, EXYNOS5_SOC_MASK) 65 66 #if defined(CONFIG_CPU_S3C2410) || defined(CONFIG_CPU_S3C2412) || \ 67 defined(CONFIG_CPU_S3C2416) || defined(CONFIG_CPU_S3C2440) || \ 68 defined(CONFIG_CPU_S3C2442) || defined(CONFIG_CPU_S3C244X) || \ 69 defined(CONFIG_CPU_S3C2443) 70 # define soc_is_s3c24xx() is_samsung_s3c24xx() 71 #else 72 # define soc_is_s3c24xx() 0 73 #endif 74 75 #if defined(CONFIG_CPU_S3C6400) || defined(CONFIG_CPU_S3C6410) 76 # define soc_is_s3c64xx() (is_samsung_s3c6400() || is_samsung_s3c6410()) 77 #else 78 # define soc_is_s3c64xx() 0 79 #endif 80 81 #if defined(CONFIG_CPU_S5P6440) 82 # define soc_is_s5p6440() is_samsung_s5p6440() 83 #else 84 # define soc_is_s5p6440() 0 85 #endif 86 87 #if defined(CONFIG_CPU_S5P6450) 88 # define soc_is_s5p6450() is_samsung_s5p6450() 89 #else 90 # define soc_is_s5p6450() 0 91 #endif 92 93 #if defined(CONFIG_CPU_S5PC100) 94 # define soc_is_s5pc100() is_samsung_s5pc100() 95 #else 96 # define soc_is_s5pc100() 0 97 #endif 98 99 #if defined(CONFIG_CPU_S5PV210) 100 # define soc_is_s5pv210() is_samsung_s5pv210() 101 #else 102 # define soc_is_s5pv210() 0 103 #endif 104 105 #if defined(CONFIG_CPU_EXYNOS4210) 106 # define soc_is_exynos4210() is_samsung_exynos4210() 107 #else 108 # define soc_is_exynos4210() 0 109 #endif 110 111 #if defined(CONFIG_SOC_EXYNOS4212) 112 # define soc_is_exynos4212() is_samsung_exynos4212() 113 #else 114 # define soc_is_exynos4212() 0 115 #endif 116 117 #if defined(CONFIG_SOC_EXYNOS4412) 118 # define soc_is_exynos4412() is_samsung_exynos4412() 119 #else 120 # define soc_is_exynos4412() 0 121 #endif 122 123 #define EXYNOS4210_REV_0 (0x0) 124 #define EXYNOS4210_REV_1_0 (0x10) 125 #define EXYNOS4210_REV_1_1 (0x11) 126 127 #if defined(CONFIG_SOC_EXYNOS5250) 128 # define soc_is_exynos5250() is_samsung_exynos5250() 129 #else 130 # define soc_is_exynos5250() 0 131 #endif 132 133 #define IODESC_ENT(x) { (unsigned long)S3C24XX_VA_##x, __phys_to_pfn(S3C24XX_PA_##x), S3C24XX_SZ_##x, MT_DEVICE } 134 135 #ifndef MHZ 136 #define MHZ (1000*1000) 137 #endif 138 139 #define print_mhz(m) ((m) / MHZ), (((m) / 1000) % 1000) 140 141 /* forward declaration */ 142 struct s3c24xx_uart_resources; 143 struct platform_device; 144 struct s3c2410_uartcfg; 145 struct map_desc; 146 147 /* per-cpu initialisation function table. */ 148 149 struct cpu_table { 150 unsigned long idcode; 151 unsigned long idmask; 152 void (*map_io)(void); 153 void (*init_uarts)(struct s3c2410_uartcfg *cfg, int no); 154 void (*init_clocks)(int xtal); 155 int (*init)(void); 156 const char *name; 157 }; 158 159 extern void s3c_init_cpu(unsigned long idcode, 160 struct cpu_table *cpus, unsigned int cputab_size); 161 162 /* core initialisation functions */ 163 164 extern void s3c24xx_init_irq(void); 165 extern void s5p_init_irq(u32 *vic, u32 num_vic); 166 167 extern void s3c24xx_init_io(struct map_desc *mach_desc, int size); 168 169 extern void s3c24xx_init_cpu(void); 170 extern void s3c64xx_init_cpu(void); 171 extern void s5p_init_cpu(void __iomem *cpuid_addr); 172 173 extern unsigned int samsung_rev(void); 174 175 extern void s3c24xx_init_uarts(struct s3c2410_uartcfg *cfg, int no); 176 177 extern void s3c24xx_init_clocks(int xtal); 178 179 extern void s3c24xx_init_uartdevs(char *name, 180 struct s3c24xx_uart_resources *res, 181 struct s3c2410_uartcfg *cfg, int no); 182 183 /* timer for 2410/2440 */ 184 185 struct sys_timer; 186 extern struct sys_timer s3c24xx_timer; 187 188 extern struct syscore_ops s3c2410_pm_syscore_ops; 189 extern struct syscore_ops s3c2412_pm_syscore_ops; 190 extern struct syscore_ops s3c2416_pm_syscore_ops; 191 extern struct syscore_ops s3c244x_pm_syscore_ops; 192 193 /* system device subsystems */ 194 195 extern struct bus_type s3c2410_subsys; 196 extern struct bus_type s3c2410a_subsys; 197 extern struct bus_type s3c2412_subsys; 198 extern struct bus_type s3c2416_subsys; 199 extern struct bus_type s3c2440_subsys; 200 extern struct bus_type s3c2442_subsys; 201 extern struct bus_type s3c2443_subsys; 202 extern struct bus_type s3c6410_subsys; 203 extern struct bus_type s5p64x0_subsys; 204 extern struct bus_type s5pv210_subsys; 205 extern struct bus_type exynos4_subsys; 206 207 extern void (*s5pc1xx_idle)(void); 208 209 #endif 210