141 lines
3.8 KiB
C
141 lines
3.8 KiB
C
/* 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 s5p_init_cpu(const void __iomem *cpuid_addr);
|
|
|
|
extern unsigned int samsung_rev(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;
|
|
|
|
/* system device subsystems */
|
|
|
|
extern struct bus_type s3c2410_subsys;
|
|
extern struct bus_type s3c2410a_subsys;
|
|
extern struct bus_type s3c2412_subsys;
|
|
extern struct bus_type s3c2416_subsys;
|
|
extern struct bus_type s3c2440_subsys;
|
|
extern struct bus_type s3c2442_subsys;
|
|
extern struct bus_type s3c2443_subsys;
|
|
extern struct bus_type s3c6410_subsys;
|
|
|
|
#endif
|