[deliverable/linux.git] / arch / arm / plat-samsung / include / plat / cpu.h

/* linux/arch/arm/plat-samsung/include/plat/cpu.h
 *
 * 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
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
*/

/* 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 S3C24XX_CPU_ID		0x32400000
#define S3C24XX_CPU_MASK	0xFFF00000

#define S3C6400_CPU_ID		0x36400000
#define S3C6410_CPU_ID		0x36410000
#define S3C64XX_CPU_MASK	0xFFFFF000

#define S5P6440_CPU_ID		0x56440000
#define S5P6450_CPU_ID		0x36450000
#define S5P64XX_CPU_MASK	0xFFFFF000

#define S5PC100_CPU_ID		0x43100000
#define S5PC100_CPU_MASK	0xFFFFF000

#define S5PV210_CPU_ID		0x43110000
#define S5PV210_CPU_MASK	0xFFFFF000

#define EXYNOS4210_CPU_ID	0x43210000
#define EXYNOS4212_CPU_ID	0x43220000
#define EXYNOS4412_CPU_ID	0xE4412200
#define EXYNOS4_CPU_MASK	0xFFFE0000

#define EXYNOS5250_SOC_ID	0x43520000
#define EXYNOS5440_SOC_ID	0xE5440000
#define EXYNOS5_SOC_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(s3c24xx, S3C24XX_CPU_ID, S3C24XX_CPU_MASK)
IS_SAMSUNG_CPU(s3c6400, S3C6400_CPU_ID, S3C64XX_CPU_MASK)
IS_SAMSUNG_CPU(s3c6410, S3C6410_CPU_ID, S3C64XX_CPU_MASK)
IS_SAMSUNG_CPU(s5p6440, S5P6440_CPU_ID, S5P64XX_CPU_MASK)
IS_SAMSUNG_CPU(s5p6450, S5P6450_CPU_ID, S5P64XX_CPU_MASK)
IS_SAMSUNG_CPU(s5pc100, S5PC100_CPU_ID, S5PC100_CPU_MASK)
IS_SAMSUNG_CPU(s5pv210, S5PV210_CPU_ID, S5PV210_CPU_MASK)
IS_SAMSUNG_CPU(exynos4210, EXYNOS4210_CPU_ID, EXYNOS4_CPU_MASK)
IS_SAMSUNG_CPU(exynos4212, EXYNOS4212_CPU_ID, EXYNOS4_CPU_MASK)
IS_SAMSUNG_CPU(exynos4412, EXYNOS4412_CPU_ID, EXYNOS4_CPU_MASK)
IS_SAMSUNG_CPU(exynos5250, EXYNOS5250_SOC_ID, EXYNOS5_SOC_MASK)
IS_SAMSUNG_CPU(exynos5440, EXYNOS5440_SOC_ID, EXYNOS5_SOC_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()
#else
# define soc_is_s3c24xx()	0
#endif

#if defined(CONFIG_CPU_S3C6400) || defined(CONFIG_CPU_S3C6410)
# define soc_is_s3c64xx()	(is_samsung_s3c6400() || is_samsung_s3c6410())
#else
# define soc_is_s3c64xx()	0
#endif

#if defined(CONFIG_CPU_S5P6440)
# define soc_is_s5p6440()	is_samsung_s5p6440()
#else
# define soc_is_s5p6440()	0
#endif

#if defined(CONFIG_CPU_S5P6450)
# define soc_is_s5p6450()	is_samsung_s5p6450()
#else
# define soc_is_s5p6450()	0
#endif

#if defined(CONFIG_CPU_S5PC100)
# define soc_is_s5pc100()	is_samsung_s5pc100()
#else
# define soc_is_s5pc100()	0
#endif

#if defined(CONFIG_CPU_S5PV210)
# define soc_is_s5pv210()	is_samsung_s5pv210()
#else
# define soc_is_s5pv210()	0
#endif

#if defined(CONFIG_CPU_EXYNOS4210)
# define soc_is_exynos4210()	is_samsung_exynos4210()
#else
# define soc_is_exynos4210()	0
#endif

#if defined(CONFIG_SOC_EXYNOS4212)
# define soc_is_exynos4212()	is_samsung_exynos4212()
#else
# define soc_is_exynos4212()	0
#endif

#if defined(CONFIG_SOC_EXYNOS4412)
# define soc_is_exynos4412()	is_samsung_exynos4412()
#else
# define soc_is_exynos4412()	0
#endif

#define EXYNOS4210_REV_0	(0x0)
#define EXYNOS4210_REV_1_0	(0x10)
#define EXYNOS4210_REV_1_1	(0x11)

#if defined(CONFIG_SOC_EXYNOS5250)
# define soc_is_exynos5250()	is_samsung_exynos5250()
#else
# define soc_is_exynos5250()	0
#endif

#if defined(CONFIG_SOC_EXYNOS5440)
# define soc_is_exynos5440()	is_samsung_exynos5440()
#else
# define soc_is_exynos5440()	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_irq(void);
extern void s5p_init_irq(u32 *vic, u32 num_vic);

extern void s3c24xx_init_io(struct map_desc *mach_desc, int size);

extern void s3c24xx_init_cpu(void);
extern void s3c64xx_init_cpu(void);
extern void s5p_init_cpu(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;
extern struct bus_type s5p64x0_subsys;
extern struct bus_type s5pv210_subsys;
extern struct bus_type exynos_subsys;

extern void (*s5pc1xx_idle)(void);

#endif
Commit	Line	Data
c116c1d7	1	/* linux/arch/arm/plat-samsung/include/plat/cpu.h
c06af3cc KK	2	*
	3	* Copyright (c) 2011 Samsung Electronics Co., Ltd.
	4	* http://www.samsung.com/
1da177e4 LT	5	*
	6	* Copyright (c) 2004-2005 Simtec Electronics
	7	* Ben Dooks <ben@simtec.co.uk>
	8	*
c06af3cc	9	* Header file for Samsung CPU support
1da177e4 LT	10	*
	11	* This program is free software; you can redistribute it and/or modify
	12	* it under the terms of the GNU General Public License version 2 as
	13	* published by the Free Software Foundation.
1da177e4 LT	14	*/
	15
	16	/* todo - fix when rmk changes iodescs to use `void __iomem ` /
	17
c3fcf5d1 KP	18	#ifndef __SAMSUNG_PLAT_CPU_H
	19	#define __SAMSUNG_PLAT_CPU_H
	20
c06af3cc KK	21	extern unsigned long samsung_cpu_id;
	22
	23	#define S3C24XX_CPU_ID 0x32400000
	24	#define S3C24XX_CPU_MASK 0xFFF00000
	25
	26	#define S3C6400_CPU_ID 0x36400000
	27	#define S3C6410_CPU_ID 0x36410000
2747f5e5	28	#define S3C64XX_CPU_MASK 0xFFFFF000
c06af3cc KK	29
	30	#define S5P6440_CPU_ID 0x56440000
	31	#define S5P6450_CPU_ID 0x36450000
b02b5da4	32	#define S5P64XX_CPU_MASK 0xFFFFF000
c06af3cc KK	33
	34	#define S5PC100_CPU_ID 0x43100000
	35	#define S5PC100_CPU_MASK 0xFFFFF000
	36
	37	#define S5PV210_CPU_ID 0x43110000
	38	#define S5PV210_CPU_MASK 0xFFFFF000
	39
	40	#define EXYNOS4210_CPU_ID 0x43210000
68465384	41	#define EXYNOS4212_CPU_ID 0x43220000
e6a275a8	42	#define EXYNOS4412_CPU_ID 0xE4412200
c06af3cc KK	43	#define EXYNOS4_CPU_MASK 0xFFFE0000
c06af3cc KK	44
94c7ca71	45	#define EXYNOS5250_SOC_ID 0x43520000
93f37789	46	#define EXYNOS5440_SOC_ID 0xE5440000
94c7ca71 KK	47	#define EXYNOS5_SOC_MASK 0xFFFFF000
94c7ca71 KK	48
c06af3cc KK	49	#define IS_SAMSUNG_CPU(name, id, mask) \
	50	static inline int is_samsung_##name(void) \
	51	{ \
	52	return ((samsung_cpu_id & mask) == (id & mask)); \
	53	}
	54
	55	IS_SAMSUNG_CPU(s3c24xx, S3C24XX_CPU_ID, S3C24XX_CPU_MASK)
0f4e54c6 MB	56	IS_SAMSUNG_CPU(s3c6400, S3C6400_CPU_ID, S3C64XX_CPU_MASK)
0f4e54c6 MB	57	IS_SAMSUNG_CPU(s3c6410, S3C6410_CPU_ID, S3C64XX_CPU_MASK)
c06af3cc KK	58	IS_SAMSUNG_CPU(s5p6440, S5P6440_CPU_ID, S5P64XX_CPU_MASK)
	59	IS_SAMSUNG_CPU(s5p6450, S5P6450_CPU_ID, S5P64XX_CPU_MASK)
	60	IS_SAMSUNG_CPU(s5pc100, S5PC100_CPU_ID, S5PC100_CPU_MASK)
	61	IS_SAMSUNG_CPU(s5pv210, S5PV210_CPU_ID, S5PV210_CPU_MASK)
	62	IS_SAMSUNG_CPU(exynos4210, EXYNOS4210_CPU_ID, EXYNOS4_CPU_MASK)
68465384	63	IS_SAMSUNG_CPU(exynos4212, EXYNOS4212_CPU_ID, EXYNOS4_CPU_MASK)
e6a275a8	64	IS_SAMSUNG_CPU(exynos4412, EXYNOS4412_CPU_ID, EXYNOS4_CPU_MASK)
94c7ca71	65	IS_SAMSUNG_CPU(exynos5250, EXYNOS5250_SOC_ID, EXYNOS5_SOC_MASK)
2edb36c4	66	IS_SAMSUNG_CPU(exynos5440, EXYNOS5440_SOC_ID, EXYNOS5_SOC_MASK)
c06af3cc KK	67
	68	#if defined(CONFIG_CPU_S3C2410) \|\| defined(CONFIG_CPU_S3C2412) \|\| \
	69	defined(CONFIG_CPU_S3C2416) \|\| defined(CONFIG_CPU_S3C2440) \|\| \
	70	defined(CONFIG_CPU_S3C2442) \|\| defined(CONFIG_CPU_S3C244X) \|\| \
	71	defined(CONFIG_CPU_S3C2443)
	72	# define soc_is_s3c24xx() is_samsung_s3c24xx()
	73	#else
	74	# define soc_is_s3c24xx() 0
	75	#endif
	76
	77	#if defined(CONFIG_CPU_S3C6400) \|\| defined(CONFIG_CPU_S3C6410)
0f4e54c6	78	# define soc_is_s3c64xx() (is_samsung_s3c6400() \|\| is_samsung_s3c6410())
c06af3cc KK	79	#else
	80	# define soc_is_s3c64xx() 0
	81	#endif
	82
	83	#if defined(CONFIG_CPU_S5P6440)
	84	# define soc_is_s5p6440() is_samsung_s5p6440()
	85	#else
	86	# define soc_is_s5p6440() 0
	87	#endif
	88
	89	#if defined(CONFIG_CPU_S5P6450)
	90	# define soc_is_s5p6450() is_samsung_s5p6450()
	91	#else
	92	# define soc_is_s5p6450() 0
	93	#endif
	94
	95	#if defined(CONFIG_CPU_S5PC100)
	96	# define soc_is_s5pc100() is_samsung_s5pc100()
	97	#else
	98	# define soc_is_s5pc100() 0
	99	#endif
	100
	101	#if defined(CONFIG_CPU_S5PV210)
	102	# define soc_is_s5pv210() is_samsung_s5pv210()
	103	#else
	104	# define soc_is_s5pv210() 0
	105	#endif
	106
	107	#if defined(CONFIG_CPU_EXYNOS4210)
	108	# define soc_is_exynos4210() is_samsung_exynos4210()
	109	#else
	110	# define soc_is_exynos4210() 0
	111	#endif
	112
68465384 KK	113	#if defined(CONFIG_SOC_EXYNOS4212)
	114	# define soc_is_exynos4212() is_samsung_exynos4212()
	115	#else
	116	# define soc_is_exynos4212() 0
	117	#endif
	118
e6a275a8 CY	119	#if defined(CONFIG_SOC_EXYNOS4412)
	120	# define soc_is_exynos4412() is_samsung_exynos4412()
	121	#else
	122	# define soc_is_exynos4412() 0
	123	#endif
	124
56b20922 KK	125	#define EXYNOS4210_REV_0 (0x0)
	126	#define EXYNOS4210_REV_1_0 (0x10)
	127	#define EXYNOS4210_REV_1_1 (0x11)
	128
94c7ca71 KK	129	#if defined(CONFIG_SOC_EXYNOS5250)
	130	# define soc_is_exynos5250() is_samsung_exynos5250()
	131	#else
	132	# define soc_is_exynos5250() 0
	133	#endif
	134
2edb36c4 KK	135	#if defined(CONFIG_SOC_EXYNOS5440)
	136	# define soc_is_exynos5440() is_samsung_exynos5440()
	137	#else
	138	# define soc_is_exynos5440() 0
	139	#endif
	140
0367a8d3	141	#define IODESC_ENT(x) { (unsigned long)S3C24XX_VA_##x, __phys_to_pfn(S3C24XX_PA_##x), S3C24XX_SZ_##x, MT_DEVICE }
1da177e4	142
c4c71355 SK	143	#ifndef KHZ
	144	#define KHZ (1000)
	145	#endif
	146
1da177e4 LT	147	#ifndef MHZ
	148	#define MHZ (1000*1000)
	149	#endif
	150
a503059c	151	#define print_mhz(m) ((m) / MHZ), (((m) / 1000) % 1000)
1da177e4 LT	152
1da177e4 LT	153	/* forward declaration */
66a9b49a BD	154	struct s3c24xx_uart_resources;
66a9b49a BD	155	struct platform_device;
1da177e4 LT	156	struct s3c2410_uartcfg;
	157	struct map_desc;
	158
74b265d4 BD	159	/* per-cpu initialisation function table. */
	160
	161	struct cpu_table {
	162	unsigned long idcode;
	163	unsigned long idmask;
	164	void (*map_io)(void);
	165	void (init_uarts)(struct s3c2410_uartcfg cfg, int no);
	166	void (*init_clocks)(int xtal);
	167	int (*init)(void);
	168	const char *name;
	169	};
	170
	171	extern void s3c_init_cpu(unsigned long idcode,
	172	struct cpu_table *cpus, unsigned int cputab_size);
	173
1da177e4 LT	174	/* core initialisation functions */
	175
	176	extern void s3c24xx_init_irq(void);
209fecd1	177	extern void s5p_init_irq(u32 *vic, u32 num_vic);
1da177e4 LT	178
	179	extern void s3c24xx_init_io(struct map_desc *mach_desc, int size);
	180
e6d1cb9f KK	181	extern void s3c24xx_init_cpu(void);
	182	extern void s3c64xx_init_cpu(void);
	183	extern void s5p_init_cpu(void __iomem *cpuid_addr);
	184
56b20922 KK	185	extern unsigned int samsung_rev(void);
56b20922 KK	186
1da177e4 LT	187	extern void s3c24xx_init_uarts(struct s3c2410_uartcfg *cfg, int no);
	188
	189	extern void s3c24xx_init_clocks(int xtal);
	190
66a9b49a BD	191	extern void s3c24xx_init_uartdevs(char *name,
	192	struct s3c24xx_uart_resources *res,
	193	struct s3c2410_uartcfg *cfg, int no);
	194
bb072c3c RW	195	extern struct syscore_ops s3c2410_pm_syscore_ops;
	196	extern struct syscore_ops s3c2412_pm_syscore_ops;
	197	extern struct syscore_ops s3c2416_pm_syscore_ops;
	198	extern struct syscore_ops s3c244x_pm_syscore_ops;
bb072c3c	199
4a858cfc KS	200	/* system device subsystems */
	201
	202	extern struct bus_type s3c2410_subsys;
	203	extern struct bus_type s3c2410a_subsys;
	204	extern struct bus_type s3c2412_subsys;
	205	extern struct bus_type s3c2416_subsys;
	206	extern struct bus_type s3c2440_subsys;
	207	extern struct bus_type s3c2442_subsys;
	208	extern struct bus_type s3c2443_subsys;
	209	extern struct bus_type s3c6410_subsys;
4a858cfc KS	210	extern struct bus_type s5p64x0_subsys;
4a858cfc KS	211	extern struct bus_type s5pv210_subsys;
9ee6af9c	212	extern struct bus_type exynos_subsys;
1deb507d	213
c3fcf5d1 KP	214	extern void (*s5pc1xx_idle)(void);
	215
	216	#endif