162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * Copyright (c) 2011 Samsung Electronics Co., Ltd. 462306a36Sopenharmony_ci * http://www.samsung.com/ 562306a36Sopenharmony_ci * 662306a36Sopenharmony_ci * Copyright (c) 2004-2005 Simtec Electronics 762306a36Sopenharmony_ci * Ben Dooks <ben@simtec.co.uk> 862306a36Sopenharmony_ci * 962306a36Sopenharmony_ci * Header file for Samsung CPU support 1062306a36Sopenharmony_ci */ 1162306a36Sopenharmony_ci 1262306a36Sopenharmony_ci/* todo - fix when rmk changes iodescs to use `void __iomem *` */ 1362306a36Sopenharmony_ci 1462306a36Sopenharmony_ci#ifndef __SAMSUNG_PLAT_CPU_H 1562306a36Sopenharmony_ci#define __SAMSUNG_PLAT_CPU_H 1662306a36Sopenharmony_ci 1762306a36Sopenharmony_ciextern unsigned long samsung_cpu_id; 1862306a36Sopenharmony_ci 1962306a36Sopenharmony_ci#define S3C6400_CPU_ID 0x36400000 2062306a36Sopenharmony_ci#define S3C6410_CPU_ID 0x36410000 2162306a36Sopenharmony_ci#define S3C64XX_CPU_MASK 0xFFFFF000 2262306a36Sopenharmony_ci 2362306a36Sopenharmony_ci#define S5PV210_CPU_ID 0x43110000 2462306a36Sopenharmony_ci#define S5PV210_CPU_MASK 0xFFFFF000 2562306a36Sopenharmony_ci 2662306a36Sopenharmony_ci#define IS_SAMSUNG_CPU(name, id, mask) \ 2762306a36Sopenharmony_cistatic inline int is_samsung_##name(void) \ 2862306a36Sopenharmony_ci{ \ 2962306a36Sopenharmony_ci return ((samsung_cpu_id & mask) == (id & mask)); \ 3062306a36Sopenharmony_ci} 3162306a36Sopenharmony_ci 3262306a36Sopenharmony_ciIS_SAMSUNG_CPU(s3c6400, S3C6400_CPU_ID, S3C64XX_CPU_MASK) 3362306a36Sopenharmony_ciIS_SAMSUNG_CPU(s3c6410, S3C6410_CPU_ID, S3C64XX_CPU_MASK) 3462306a36Sopenharmony_ci 3562306a36Sopenharmony_ci#if defined(CONFIG_CPU_S3C6400) || defined(CONFIG_CPU_S3C6410) 3662306a36Sopenharmony_ci# define soc_is_s3c6400() is_samsung_s3c6400() 3762306a36Sopenharmony_ci# define soc_is_s3c6410() is_samsung_s3c6410() 3862306a36Sopenharmony_ci# define soc_is_s3c64xx() (is_samsung_s3c6400() || is_samsung_s3c6410()) 3962306a36Sopenharmony_ci#else 4062306a36Sopenharmony_ci# define soc_is_s3c6400() 0 4162306a36Sopenharmony_ci# define soc_is_s3c6410() 0 4262306a36Sopenharmony_ci# define soc_is_s3c64xx() 0 4362306a36Sopenharmony_ci#endif 4462306a36Sopenharmony_ci 4562306a36Sopenharmony_ci#ifndef MHZ 4662306a36Sopenharmony_ci#define MHZ (1000*1000) 4762306a36Sopenharmony_ci#endif 4862306a36Sopenharmony_ci 4962306a36Sopenharmony_ci#define print_mhz(m) ((m) / MHZ), (((m) / 1000) % 1000) 5062306a36Sopenharmony_ci 5162306a36Sopenharmony_ci/* forward declaration */ 5262306a36Sopenharmony_cistruct s3c24xx_uart_resources; 5362306a36Sopenharmony_cistruct platform_device; 5462306a36Sopenharmony_cistruct s3c2410_uartcfg; 5562306a36Sopenharmony_cistruct map_desc; 5662306a36Sopenharmony_ci 5762306a36Sopenharmony_ci/* per-cpu initialisation function table. */ 5862306a36Sopenharmony_ci 5962306a36Sopenharmony_cistruct cpu_table { 6062306a36Sopenharmony_ci unsigned long idcode; 6162306a36Sopenharmony_ci unsigned long idmask; 6262306a36Sopenharmony_ci void (*map_io)(void); 6362306a36Sopenharmony_ci void (*init_uarts)(struct s3c2410_uartcfg *cfg, int no); 6462306a36Sopenharmony_ci int (*init)(void); 6562306a36Sopenharmony_ci const char *name; 6662306a36Sopenharmony_ci}; 6762306a36Sopenharmony_ci 6862306a36Sopenharmony_ciextern void s3c_init_cpu(unsigned long idcode, 6962306a36Sopenharmony_ci struct cpu_table *cpus, unsigned int cputab_size); 7062306a36Sopenharmony_ci 7162306a36Sopenharmony_ci/* core initialisation functions */ 7262306a36Sopenharmony_ciextern void s3c64xx_init_cpu(void); 7362306a36Sopenharmony_ci 7462306a36Sopenharmony_ciextern void s3c24xx_init_uarts(struct s3c2410_uartcfg *cfg, int no); 7562306a36Sopenharmony_ciextern void s3c24xx_init_uartdevs(char *name, 7662306a36Sopenharmony_ci struct s3c24xx_uart_resources *res, 7762306a36Sopenharmony_ci struct s3c2410_uartcfg *cfg, int no); 7862306a36Sopenharmony_ci 7962306a36Sopenharmony_ciextern struct bus_type s3c6410_subsys; 8062306a36Sopenharmony_ci 8162306a36Sopenharmony_ci#endif 82