[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 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 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 EXYNOS5420_SOC_ID	0xE5420000
#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(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)
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(exynos5420, EXYNOS5420_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_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

#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_EXYNOS5420)
# define soc_is_exynos5420()	is_samsung_exynos5420()
#else
# define soc_is_exynos5420()	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 s5p_init_irq(u32 *vic, u32 num_vic);

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

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
9eecbe50 HS	26	#define S3C2412_CPU_ID 0x32412000
	27	#define S3C2412_CPU_MASK 0xFFFFF000
	28
c06af3cc KK	29	#define S3C6400_CPU_ID 0x36400000
c06af3cc KK	30	#define S3C6410_CPU_ID 0x36410000
2747f5e5	31	#define S3C64XX_CPU_MASK 0xFFFFF000
c06af3cc KK	32
	33	#define S5P6440_CPU_ID 0x56440000
	34	#define S5P6450_CPU_ID 0x36450000
b02b5da4	35	#define S5P64XX_CPU_MASK 0xFFFFF000
c06af3cc KK	36
	37	#define S5PC100_CPU_ID 0x43100000
	38	#define S5PC100_CPU_MASK 0xFFFFF000
	39
	40	#define S5PV210_CPU_ID 0x43110000
	41	#define S5PV210_CPU_MASK 0xFFFFF000
	42
	43	#define EXYNOS4210_CPU_ID 0x43210000
68465384	44	#define EXYNOS4212_CPU_ID 0x43220000
e6a275a8	45	#define EXYNOS4412_CPU_ID 0xE4412200
c06af3cc KK	46	#define EXYNOS4_CPU_MASK 0xFFFE0000
c06af3cc KK	47
94c7ca71	48	#define EXYNOS5250_SOC_ID 0x43520000
191d754f	49	#define EXYNOS5420_SOC_ID 0xE5420000
93f37789	50	#define EXYNOS5440_SOC_ID 0xE5440000
94c7ca71 KK	51	#define EXYNOS5_SOC_MASK 0xFFFFF000
94c7ca71 KK	52
c06af3cc KK	53	#define IS_SAMSUNG_CPU(name, id, mask) \
	54	static inline int is_samsung_##name(void) \
	55	{ \
	56	return ((samsung_cpu_id & mask) == (id & mask)); \
	57	}
	58
	59	IS_SAMSUNG_CPU(s3c24xx, S3C24XX_CPU_ID, S3C24XX_CPU_MASK)
9eecbe50	60	IS_SAMSUNG_CPU(s3c2412, S3C2412_CPU_ID, S3C2412_CPU_MASK)
0f4e54c6 MB	61	IS_SAMSUNG_CPU(s3c6400, S3C6400_CPU_ID, S3C64XX_CPU_MASK)
0f4e54c6 MB	62	IS_SAMSUNG_CPU(s3c6410, S3C6410_CPU_ID, S3C64XX_CPU_MASK)
c06af3cc KK	63	IS_SAMSUNG_CPU(s5p6440, S5P6440_CPU_ID, S5P64XX_CPU_MASK)
	64	IS_SAMSUNG_CPU(s5p6450, S5P6450_CPU_ID, S5P64XX_CPU_MASK)
	65	IS_SAMSUNG_CPU(s5pc100, S5PC100_CPU_ID, S5PC100_CPU_MASK)
	66	IS_SAMSUNG_CPU(s5pv210, S5PV210_CPU_ID, S5PV210_CPU_MASK)
	67	IS_SAMSUNG_CPU(exynos4210, EXYNOS4210_CPU_ID, EXYNOS4_CPU_MASK)
68465384	68	IS_SAMSUNG_CPU(exynos4212, EXYNOS4212_CPU_ID, EXYNOS4_CPU_MASK)
e6a275a8	69	IS_SAMSUNG_CPU(exynos4412, EXYNOS4412_CPU_ID, EXYNOS4_CPU_MASK)
94c7ca71	70	IS_SAMSUNG_CPU(exynos5250, EXYNOS5250_SOC_ID, EXYNOS5_SOC_MASK)
191d754f	71	IS_SAMSUNG_CPU(exynos5420, EXYNOS5420_SOC_ID, EXYNOS5_SOC_MASK)
2edb36c4	72	IS_SAMSUNG_CPU(exynos5440, EXYNOS5440_SOC_ID, EXYNOS5_SOC_MASK)
c06af3cc KK	73
	74	#if defined(CONFIG_CPU_S3C2410) \|\| defined(CONFIG_CPU_S3C2412) \|\| \
	75	defined(CONFIG_CPU_S3C2416) \|\| defined(CONFIG_CPU_S3C2440) \|\| \
	76	defined(CONFIG_CPU_S3C2442) \|\| defined(CONFIG_CPU_S3C244X) \|\| \
	77	defined(CONFIG_CPU_S3C2443)
	78	# define soc_is_s3c24xx() is_samsung_s3c24xx()
	79	#else
	80	# define soc_is_s3c24xx() 0
	81	#endif
	82
9eecbe50 HS	83	#if defined(CONFIG_CPU_S3C2412)
	84	# define soc_is_s3c2412() is_samsung_s3c2412()
	85	#else
	86	# define soc_is_s3c2412() 0
	87	#endif
	88
c06af3cc	89	#if defined(CONFIG_CPU_S3C6400) \|\| defined(CONFIG_CPU_S3C6410)
57a23126 TF	90	# define soc_is_s3c6400() is_samsung_s3c6400()
57a23126 TF	91	# define soc_is_s3c6410() is_samsung_s3c6410()
0f4e54c6	92	# define soc_is_s3c64xx() (is_samsung_s3c6400() \|\| is_samsung_s3c6410())
c06af3cc	93	#else
57a23126 TF	94	# define soc_is_s3c6400() 0
57a23126 TF	95	# define soc_is_s3c6410() 0
c06af3cc KK	96	# define soc_is_s3c64xx() 0
	97	#endif
	98
	99	#if defined(CONFIG_CPU_S5P6440)
	100	# define soc_is_s5p6440() is_samsung_s5p6440()
	101	#else
	102	# define soc_is_s5p6440() 0
	103	#endif
	104
	105	#if defined(CONFIG_CPU_S5P6450)
	106	# define soc_is_s5p6450() is_samsung_s5p6450()
	107	#else
	108	# define soc_is_s5p6450() 0
	109	#endif
	110
	111	#if defined(CONFIG_CPU_S5PC100)
	112	# define soc_is_s5pc100() is_samsung_s5pc100()
	113	#else
	114	# define soc_is_s5pc100() 0
	115	#endif
	116
	117	#if defined(CONFIG_CPU_S5PV210)
	118	# define soc_is_s5pv210() is_samsung_s5pv210()
	119	#else
	120	# define soc_is_s5pv210() 0
	121	#endif
	122
	123	#if defined(CONFIG_CPU_EXYNOS4210)
	124	# define soc_is_exynos4210() is_samsung_exynos4210()
	125	#else
	126	# define soc_is_exynos4210() 0
	127	#endif
	128
68465384 KK	129	#if defined(CONFIG_SOC_EXYNOS4212)
	130	# define soc_is_exynos4212() is_samsung_exynos4212()
	131	#else
	132	# define soc_is_exynos4212() 0
	133	#endif
	134
e6a275a8 CY	135	#if defined(CONFIG_SOC_EXYNOS4412)
	136	# define soc_is_exynos4412() is_samsung_exynos4412()
	137	#else
	138	# define soc_is_exynos4412() 0
	139	#endif
	140
56b20922 KK	141	#define EXYNOS4210_REV_0 (0x0)
	142	#define EXYNOS4210_REV_1_0 (0x10)
	143	#define EXYNOS4210_REV_1_1 (0x11)
	144
94c7ca71 KK	145	#if defined(CONFIG_SOC_EXYNOS5250)
	146	# define soc_is_exynos5250() is_samsung_exynos5250()
	147	#else
	148	# define soc_is_exynos5250() 0
	149	#endif
	150
191d754f CK	151	#if defined(CONFIG_SOC_EXYNOS5420)
	152	# define soc_is_exynos5420() is_samsung_exynos5420()
	153	#else
	154	# define soc_is_exynos5420() 0
	155	#endif
	156
2edb36c4 KK	157	#if defined(CONFIG_SOC_EXYNOS5440)
	158	# define soc_is_exynos5440() is_samsung_exynos5440()
	159	#else
	160	# define soc_is_exynos5440() 0
	161	#endif
	162
0367a8d3	163	#define IODESC_ENT(x) { (unsigned long)S3C24XX_VA_##x, __phys_to_pfn(S3C24XX_PA_##x), S3C24XX_SZ_##x, MT_DEVICE }
1da177e4	164
c4c71355 SK	165	#ifndef KHZ
	166	#define KHZ (1000)
	167	#endif
	168
1da177e4 LT	169	#ifndef MHZ
	170	#define MHZ (1000*1000)
	171	#endif
	172
a503059c	173	#define print_mhz(m) ((m) / MHZ), (((m) / 1000) % 1000)
1da177e4 LT	174
1da177e4 LT	175	/* forward declaration */
66a9b49a BD	176	struct s3c24xx_uart_resources;
66a9b49a BD	177	struct platform_device;
1da177e4 LT	178	struct s3c2410_uartcfg;
	179	struct map_desc;
	180
74b265d4 BD	181	/* per-cpu initialisation function table. */
	182
	183	struct cpu_table {
	184	unsigned long idcode;
	185	unsigned long idmask;
	186	void (*map_io)(void);
	187	void (init_uarts)(struct s3c2410_uartcfg cfg, int no);
	188	void (*init_clocks)(int xtal);
	189	int (*init)(void);
	190	const char *name;
	191	};
	192
	193	extern void s3c_init_cpu(unsigned long idcode,
	194	struct cpu_table *cpus, unsigned int cputab_size);
	195
1da177e4 LT	196	/* core initialisation functions */
1da177e4 LT	197
209fecd1	198	extern void s5p_init_irq(u32 *vic, u32 num_vic);
1da177e4 LT	199
	200	extern void s3c24xx_init_io(struct map_desc *mach_desc, int size);
	201
e6d1cb9f KK	202	extern void s3c64xx_init_cpu(void);
	203	extern void s5p_init_cpu(void __iomem *cpuid_addr);
	204
56b20922 KK	205	extern unsigned int samsung_rev(void);
56b20922 KK	206
1da177e4 LT	207	extern void s3c24xx_init_uarts(struct s3c2410_uartcfg *cfg, int no);
	208
	209	extern void s3c24xx_init_clocks(int xtal);
	210
66a9b49a BD	211	extern void s3c24xx_init_uartdevs(char *name,
	212	struct s3c24xx_uart_resources *res,
	213	struct s3c2410_uartcfg *cfg, int no);
	214
bb072c3c RW	215	extern struct syscore_ops s3c2410_pm_syscore_ops;
	216	extern struct syscore_ops s3c2412_pm_syscore_ops;
	217	extern struct syscore_ops s3c2416_pm_syscore_ops;
	218	extern struct syscore_ops s3c244x_pm_syscore_ops;
bb072c3c	219
4a858cfc KS	220	/* system device subsystems */
	221
	222	extern struct bus_type s3c2410_subsys;
	223	extern struct bus_type s3c2410a_subsys;
	224	extern struct bus_type s3c2412_subsys;
	225	extern struct bus_type s3c2416_subsys;
	226	extern struct bus_type s3c2440_subsys;
	227	extern struct bus_type s3c2442_subsys;
	228	extern struct bus_type s3c2443_subsys;
	229	extern struct bus_type s3c6410_subsys;
4a858cfc KS	230	extern struct bus_type s5p64x0_subsys;
4a858cfc KS	231	extern struct bus_type s5pv210_subsys;
9ee6af9c	232	extern struct bus_type exynos_subsys;
1deb507d	233
c3fcf5d1 KP	234	extern void (*s5pc1xx_idle)(void);
	235
	236	#endif