1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Copyright (c) 2011 Samsung Electronics Co., Ltd. 4*4882a593Smuzhiyun * http://www.samsung.com/ 5*4882a593Smuzhiyun * 6*4882a593Smuzhiyun * Copyright (c) 2004-2005 Simtec Electronics 7*4882a593Smuzhiyun * Ben Dooks <ben@simtec.co.uk> 8*4882a593Smuzhiyun * 9*4882a593Smuzhiyun * Header file for Samsung CPU support 10*4882a593Smuzhiyun */ 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun /* todo - fix when rmk changes iodescs to use `void __iomem *` */ 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun #ifndef __SAMSUNG_PLAT_CPU_H 15*4882a593Smuzhiyun #define __SAMSUNG_PLAT_CPU_H 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun extern unsigned long samsung_cpu_id; 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun #define S3C2410_CPU_ID 0x32410000 20*4882a593Smuzhiyun #define S3C2410_CPU_MASK 0xFFFFFFFF 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun #define S3C24XX_CPU_ID 0x32400000 23*4882a593Smuzhiyun #define S3C24XX_CPU_MASK 0xFFF00000 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun #define S3C2412_CPU_ID 0x32412000 26*4882a593Smuzhiyun #define S3C2412_CPU_MASK 0xFFFFF000 27*4882a593Smuzhiyun 28*4882a593Smuzhiyun #define S3C6400_CPU_ID 0x36400000 29*4882a593Smuzhiyun #define S3C6410_CPU_ID 0x36410000 30*4882a593Smuzhiyun #define S3C64XX_CPU_MASK 0xFFFFF000 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun #define S5PV210_CPU_ID 0x43110000 33*4882a593Smuzhiyun #define S5PV210_CPU_MASK 0xFFFFF000 34*4882a593Smuzhiyun 35*4882a593Smuzhiyun #define IS_SAMSUNG_CPU(name, id, mask) \ 36*4882a593Smuzhiyun static inline int is_samsung_##name(void) \ 37*4882a593Smuzhiyun { \ 38*4882a593Smuzhiyun return ((samsung_cpu_id & mask) == (id & mask)); \ 39*4882a593Smuzhiyun } 40*4882a593Smuzhiyun 41*4882a593Smuzhiyun IS_SAMSUNG_CPU(s3c2410, S3C2410_CPU_ID, S3C2410_CPU_MASK) 42*4882a593Smuzhiyun IS_SAMSUNG_CPU(s3c24xx, S3C24XX_CPU_ID, S3C24XX_CPU_MASK) 43*4882a593Smuzhiyun IS_SAMSUNG_CPU(s3c2412, S3C2412_CPU_ID, S3C2412_CPU_MASK) 44*4882a593Smuzhiyun IS_SAMSUNG_CPU(s3c6400, S3C6400_CPU_ID, S3C64XX_CPU_MASK) 45*4882a593Smuzhiyun IS_SAMSUNG_CPU(s3c6410, S3C6410_CPU_ID, S3C64XX_CPU_MASK) 46*4882a593Smuzhiyun 47*4882a593Smuzhiyun #if defined(CONFIG_CPU_S3C2410) || defined(CONFIG_CPU_S3C2412) || \ 48*4882a593Smuzhiyun defined(CONFIG_CPU_S3C2416) || defined(CONFIG_CPU_S3C2440) || \ 49*4882a593Smuzhiyun defined(CONFIG_CPU_S3C2442) || defined(CONFIG_CPU_S3C244X) || \ 50*4882a593Smuzhiyun defined(CONFIG_CPU_S3C2443) 51*4882a593Smuzhiyun # define soc_is_s3c24xx() is_samsung_s3c24xx() 52*4882a593Smuzhiyun # define soc_is_s3c2410() is_samsung_s3c2410() 53*4882a593Smuzhiyun #else 54*4882a593Smuzhiyun # define soc_is_s3c24xx() 0 55*4882a593Smuzhiyun # define soc_is_s3c2410() 0 56*4882a593Smuzhiyun #endif 57*4882a593Smuzhiyun 58*4882a593Smuzhiyun #if defined(CONFIG_CPU_S3C2412) 59*4882a593Smuzhiyun # define soc_is_s3c2412() is_samsung_s3c2412() 60*4882a593Smuzhiyun #else 61*4882a593Smuzhiyun # define soc_is_s3c2412() 0 62*4882a593Smuzhiyun #endif 63*4882a593Smuzhiyun 64*4882a593Smuzhiyun #if defined(CONFIG_CPU_S3C6400) || defined(CONFIG_CPU_S3C6410) 65*4882a593Smuzhiyun # define soc_is_s3c6400() is_samsung_s3c6400() 66*4882a593Smuzhiyun # define soc_is_s3c6410() is_samsung_s3c6410() 67*4882a593Smuzhiyun # define soc_is_s3c64xx() (is_samsung_s3c6400() || is_samsung_s3c6410()) 68*4882a593Smuzhiyun #else 69*4882a593Smuzhiyun # define soc_is_s3c6400() 0 70*4882a593Smuzhiyun # define soc_is_s3c6410() 0 71*4882a593Smuzhiyun # define soc_is_s3c64xx() 0 72*4882a593Smuzhiyun #endif 73*4882a593Smuzhiyun 74*4882a593Smuzhiyun #define IODESC_ENT(x) { (unsigned long)S3C24XX_VA_##x, __phys_to_pfn(S3C24XX_PA_##x), S3C24XX_SZ_##x, MT_DEVICE } 75*4882a593Smuzhiyun 76*4882a593Smuzhiyun #ifndef KHZ 77*4882a593Smuzhiyun #define KHZ (1000) 78*4882a593Smuzhiyun #endif 79*4882a593Smuzhiyun 80*4882a593Smuzhiyun #ifndef MHZ 81*4882a593Smuzhiyun #define MHZ (1000*1000) 82*4882a593Smuzhiyun #endif 83*4882a593Smuzhiyun 84*4882a593Smuzhiyun #define print_mhz(m) ((m) / MHZ), (((m) / 1000) % 1000) 85*4882a593Smuzhiyun 86*4882a593Smuzhiyun /* forward declaration */ 87*4882a593Smuzhiyun struct s3c24xx_uart_resources; 88*4882a593Smuzhiyun struct platform_device; 89*4882a593Smuzhiyun struct s3c2410_uartcfg; 90*4882a593Smuzhiyun struct map_desc; 91*4882a593Smuzhiyun 92*4882a593Smuzhiyun /* per-cpu initialisation function table. */ 93*4882a593Smuzhiyun 94*4882a593Smuzhiyun struct cpu_table { 95*4882a593Smuzhiyun unsigned long idcode; 96*4882a593Smuzhiyun unsigned long idmask; 97*4882a593Smuzhiyun void (*map_io)(void); 98*4882a593Smuzhiyun void (*init_uarts)(struct s3c2410_uartcfg *cfg, int no); 99*4882a593Smuzhiyun void (*init_clocks)(int xtal); 100*4882a593Smuzhiyun int (*init)(void); 101*4882a593Smuzhiyun const char *name; 102*4882a593Smuzhiyun }; 103*4882a593Smuzhiyun 104*4882a593Smuzhiyun extern void s3c_init_cpu(unsigned long idcode, 105*4882a593Smuzhiyun struct cpu_table *cpus, unsigned int cputab_size); 106*4882a593Smuzhiyun 107*4882a593Smuzhiyun /* core initialisation functions */ 108*4882a593Smuzhiyun 109*4882a593Smuzhiyun extern void s3c24xx_init_io(struct map_desc *mach_desc, int size); 110*4882a593Smuzhiyun 111*4882a593Smuzhiyun extern void s3c64xx_init_cpu(void); 112*4882a593Smuzhiyun 113*4882a593Smuzhiyun extern void s3c24xx_init_uarts(struct s3c2410_uartcfg *cfg, int no); 114*4882a593Smuzhiyun 115*4882a593Smuzhiyun extern void s3c24xx_init_clocks(int xtal); 116*4882a593Smuzhiyun 117*4882a593Smuzhiyun extern void s3c24xx_init_uartdevs(char *name, 118*4882a593Smuzhiyun struct s3c24xx_uart_resources *res, 119*4882a593Smuzhiyun struct s3c2410_uartcfg *cfg, int no); 120*4882a593Smuzhiyun 121*4882a593Smuzhiyun extern struct syscore_ops s3c2410_pm_syscore_ops; 122*4882a593Smuzhiyun extern struct syscore_ops s3c2412_pm_syscore_ops; 123*4882a593Smuzhiyun extern struct syscore_ops s3c2416_pm_syscore_ops; 124*4882a593Smuzhiyun extern struct syscore_ops s3c244x_pm_syscore_ops; 125*4882a593Smuzhiyun 126*4882a593Smuzhiyun extern struct bus_type s3c6410_subsys; 127*4882a593Smuzhiyun 128*4882a593Smuzhiyun #endif 129