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/* 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 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(s3c6400, S3C6400_CPU_ID, S3C64XX_CPU_MASK)
IS_SAMSUNG_CPU(s3c6410, S3C6410_CPU_ID, S3C64XX_CPU_MASK)
#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
#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);
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 s3c64xx_init_cpu(void);
extern void s3c24xx_init_uarts(struct s3c2410_uartcfg *cfg, int no);
extern void s3c24xx_init_uartdevs(char *name,
struct s3c24xx_uart_resources *res,
struct s3c2410_uartcfg *cfg, int no);
extern const struct bus_type s3c6410_subsys;
#endif
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