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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 | /* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (c) 2011 Samsung Electronics Co., Ltd. * http://www.samsung.com/ * * Copyright (c) 2004-2005 Simtec Electronics * Ben Dooks <ben@simtec.co.uk> * * Header file for Samsung CPU support */ /* todo - fix when rmk changes iodescs to use `void __iomem *` */ #ifndef __SAMSUNG_PLAT_CPU_H #define __SAMSUNG_PLAT_CPU_H extern unsigned long samsung_cpu_id; #define S3C2410_CPU_ID 0x32410000 #define S3C2410_CPU_MASK 0xFFFFFFFF #define S3C24XX_CPU_ID 0x32400000 #define S3C24XX_CPU_MASK 0xFFF00000 #define S3C2412_CPU_ID 0x32412000 #define S3C2412_CPU_MASK 0xFFFFF000 #define S3C6400_CPU_ID 0x36400000 #define S3C6410_CPU_ID 0x36410000 #define S3C64XX_CPU_MASK 0xFFFFF000 #define S5PV210_CPU_ID 0x43110000 #define S5PV210_CPU_MASK 0xFFFFF000 #define IS_SAMSUNG_CPU(name, id, mask) \ static inline int is_samsung_##name(void) \ { \ return ((samsung_cpu_id & mask) == (id & mask)); \ } IS_SAMSUNG_CPU(s3c2410, S3C2410_CPU_ID, S3C2410_CPU_MASK) IS_SAMSUNG_CPU(s3c24xx, S3C24XX_CPU_ID, S3C24XX_CPU_MASK) IS_SAMSUNG_CPU(s3c2412, S3C2412_CPU_ID, S3C2412_CPU_MASK) IS_SAMSUNG_CPU(s3c6400, S3C6400_CPU_ID, S3C64XX_CPU_MASK) IS_SAMSUNG_CPU(s3c6410, S3C6410_CPU_ID, S3C64XX_CPU_MASK) #if defined(CONFIG_CPU_S3C2410) || defined(CONFIG_CPU_S3C2412) || \ defined(CONFIG_CPU_S3C2416) || defined(CONFIG_CPU_S3C2440) || \ defined(CONFIG_CPU_S3C2442) || defined(CONFIG_CPU_S3C244X) || \ defined(CONFIG_CPU_S3C2443) # define soc_is_s3c24xx() is_samsung_s3c24xx() # define soc_is_s3c2410() is_samsung_s3c2410() #else # define soc_is_s3c24xx() 0 # define soc_is_s3c2410() 0 #endif #if defined(CONFIG_CPU_S3C2412) # define soc_is_s3c2412() is_samsung_s3c2412() #else # define soc_is_s3c2412() 0 #endif #if defined(CONFIG_CPU_S3C6400) || defined(CONFIG_CPU_S3C6410) # define soc_is_s3c6400() is_samsung_s3c6400() # define soc_is_s3c6410() is_samsung_s3c6410() # define soc_is_s3c64xx() (is_samsung_s3c6400() || is_samsung_s3c6410()) #else # define soc_is_s3c6400() 0 # define soc_is_s3c6410() 0 # define soc_is_s3c64xx() 0 #endif #define IODESC_ENT(x) { (unsigned long)S3C24XX_VA_##x, __phys_to_pfn(S3C24XX_PA_##x), S3C24XX_SZ_##x, MT_DEVICE } #ifndef KHZ #define KHZ (1000) #endif #ifndef MHZ #define MHZ (1000*1000) #endif #define print_mhz(m) ((m) / MHZ), (((m) / 1000) % 1000) /* forward declaration */ struct s3c24xx_uart_resources; struct platform_device; struct s3c2410_uartcfg; struct map_desc; /* per-cpu initialisation function table. */ struct cpu_table { unsigned long idcode; unsigned long idmask; void (*map_io)(void); void (*init_uarts)(struct s3c2410_uartcfg *cfg, int no); void (*init_clocks)(int xtal); int (*init)(void); const char *name; }; extern void s3c_init_cpu(unsigned long idcode, struct cpu_table *cpus, unsigned int cputab_size); /* core initialisation functions */ extern void s3c24xx_init_io(struct map_desc *mach_desc, int size); extern void s3c64xx_init_cpu(void); extern void s3c24xx_init_uarts(struct s3c2410_uartcfg *cfg, int no); extern void s3c24xx_init_clocks(int xtal); extern void s3c24xx_init_uartdevs(char *name, struct s3c24xx_uart_resources *res, struct s3c2410_uartcfg *cfg, int no); extern struct syscore_ops s3c2410_pm_syscore_ops; extern struct syscore_ops s3c2412_pm_syscore_ops; extern struct syscore_ops s3c2416_pm_syscore_ops; extern struct syscore_ops s3c244x_pm_syscore_ops; extern struct bus_type s3c6410_subsys; #endif |