[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_ID		(S3C6400_CPU_ID & S3C6410_CPU_ID)
#define S3C64XX_CPU_MASK	0x1FF40000

#define S5P6440_CPU_ID		0x56440000
#define S5P6450_CPU_ID		0x36450000
#define S5P64XX_CPU_MASK	0x1FF40000

#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 EXYNOS4_CPU_MASK	0xFFFE0000

#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(s3c64xx, S3C64XX_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)

#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_s3c64xx()
#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

#define IODESC_ENT(x) { (unsigned long)S3C24XX_VA_##x, __phys_to_pfn(S3C24XX_PA_##x), S3C24XX_SZ_##x, MT_DEVICE }

#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 s3c64xx_init_irq(u32 vic0, u32 vic1);
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_io(struct map_desc *mach_desc, int size);
extern void s5p_init_io(struct map_desc *mach_desc,
			int size, void __iomem *cpuid_addr);

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);

/* timer for 2410/2440 */

struct sys_timer;
extern struct sys_timer s3c24xx_timer;

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;
extern struct syscore_ops s3c64xx_irq_syscore_ops;

/* system device classes */

extern struct sysdev_class s3c2410_sysclass;
extern struct sysdev_class s3c2410a_sysclass;
extern struct sysdev_class s3c2412_sysclass;
extern struct sysdev_class s3c2416_sysclass;
extern struct sysdev_class s3c2440_sysclass;
extern struct sysdev_class s3c2442_sysclass;
extern struct sysdev_class s3c2443_sysclass;
extern struct sysdev_class s3c6410_sysclass;
extern struct sysdev_class s3c64xx_sysclass;
extern struct sysdev_class s5p64x0_sysclass;
extern struct sysdev_class s5pv210_sysclass;
extern struct sysdev_class exynos4_sysclass;

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
	28	#define S3C64XX_CPU_ID (S3C6400_CPU_ID & S3C6410_CPU_ID)
	29	#define S3C64XX_CPU_MASK 0x1FF40000
	30
	31	#define S5P6440_CPU_ID 0x56440000
	32	#define S5P6450_CPU_ID 0x36450000
	33	#define S5P64XX_CPU_MASK 0x1FF40000
	34
	35	#define S5PC100_CPU_ID 0x43100000
	36	#define S5PC100_CPU_MASK 0xFFFFF000
	37
	38	#define S5PV210_CPU_ID 0x43110000
	39	#define S5PV210_CPU_MASK 0xFFFFF000
	40
	41	#define EXYNOS4210_CPU_ID 0x43210000
	42	#define EXYNOS4_CPU_MASK 0xFFFE0000
	43
	44	#define IS_SAMSUNG_CPU(name, id, mask) \
	45	static inline int is_samsung_##name(void) \
	46	{ \
	47	return ((samsung_cpu_id & mask) == (id & mask)); \
	48	}
	49
	50	IS_SAMSUNG_CPU(s3c24xx, S3C24XX_CPU_ID, S3C24XX_CPU_MASK)
	51	IS_SAMSUNG_CPU(s3c64xx, S3C64XX_CPU_ID, S3C64XX_CPU_MASK)
	52	IS_SAMSUNG_CPU(s5p6440, S5P6440_CPU_ID, S5P64XX_CPU_MASK)
	53	IS_SAMSUNG_CPU(s5p6450, S5P6450_CPU_ID, S5P64XX_CPU_MASK)
	54	IS_SAMSUNG_CPU(s5pc100, S5PC100_CPU_ID, S5PC100_CPU_MASK)
	55	IS_SAMSUNG_CPU(s5pv210, S5PV210_CPU_ID, S5PV210_CPU_MASK)
	56	IS_SAMSUNG_CPU(exynos4210, EXYNOS4210_CPU_ID, EXYNOS4_CPU_MASK)
	57
	58	#if defined(CONFIG_CPU_S3C2410) \|\| defined(CONFIG_CPU_S3C2412) \|\| \
	59	defined(CONFIG_CPU_S3C2416) \|\| defined(CONFIG_CPU_S3C2440) \|\| \
	60	defined(CONFIG_CPU_S3C2442) \|\| defined(CONFIG_CPU_S3C244X) \|\| \
	61	defined(CONFIG_CPU_S3C2443)
	62	# define soc_is_s3c24xx() is_samsung_s3c24xx()
	63	#else
	64	# define soc_is_s3c24xx() 0
	65	#endif
	66
	67	#if defined(CONFIG_CPU_S3C6400) \|\| defined(CONFIG_CPU_S3C6410)
	68	# define soc_is_s3c64xx() is_samsung_s3c64xx()
	69	#else
	70	# define soc_is_s3c64xx() 0
	71	#endif
	72
	73	#if defined(CONFIG_CPU_S5P6440)
	74	# define soc_is_s5p6440() is_samsung_s5p6440()
	75	#else
	76	# define soc_is_s5p6440() 0
	77	#endif
	78
	79	#if defined(CONFIG_CPU_S5P6450)
	80	# define soc_is_s5p6450() is_samsung_s5p6450()
	81	#else
	82	# define soc_is_s5p6450() 0
	83	#endif
	84
85	#if defined(CONFIG_CPU_S5PC100)
86	# define soc_is_s5pc100() is_samsung_s5pc100()
87	#else
88	# define soc_is_s5pc100() 0
89	#endif
90
91	#if defined(CONFIG_CPU_S5PV210)
92	# define soc_is_s5pv210() is_samsung_s5pv210()
93	#else
94	# define soc_is_s5pv210() 0
95	#endif
96
97	#if defined(CONFIG_CPU_EXYNOS4210)
98	# define soc_is_exynos4210() is_samsung_exynos4210()
99	#else
100	# define soc_is_exynos4210() 0
101	#endif
102
0367a8d3	103	#define IODESC_ENT(x) { (unsigned long)S3C24XX_VA_##x, __phys_to_pfn(S3C24XX_PA_##x), S3C24XX_SZ_##x, MT_DEVICE }
1da177e4 LT	104
	105	#ifndef MHZ
	106	#define MHZ (1000*1000)
	107	#endif
	108
a503059c	109	#define print_mhz(m) ((m) / MHZ), (((m) / 1000) % 1000)
1da177e4 LT	110
1da177e4 LT	111	/* forward declaration */
66a9b49a BD	112	struct s3c24xx_uart_resources;
66a9b49a BD	113	struct platform_device;
1da177e4 LT	114	struct s3c2410_uartcfg;
	115	struct map_desc;
	116
74b265d4 BD	117	/* per-cpu initialisation function table. */
	118
	119	struct cpu_table {
	120	unsigned long idcode;
	121	unsigned long idmask;
	122	void (*map_io)(void);
	123	void (init_uarts)(struct s3c2410_uartcfg cfg, int no);
	124	void (*init_clocks)(int xtal);
	125	int (*init)(void);
	126	const char *name;
	127	};
	128
	129	extern void s3c_init_cpu(unsigned long idcode,
	130	struct cpu_table *cpus, unsigned int cputab_size);
	131
1da177e4 LT	132	/* core initialisation functions */
	133
	134	extern void s3c24xx_init_irq(void);
d9b79fb5	135	extern void s3c64xx_init_irq(u32 vic0, u32 vic1);
209fecd1	136	extern void s5p_init_irq(u32 *vic, u32 num_vic);
1da177e4 LT	137
1da177e4 LT	138	extern void s3c24xx_init_io(struct map_desc *mach_desc, int size);
6a5f4b85	139	extern void s3c64xx_init_io(struct map_desc *mach_desc, int size);
209fecd1 KK	140	extern void s5p_init_io(struct map_desc *mach_desc,
209fecd1 KK	141	int size, void __iomem *cpuid_addr);
1da177e4 LT	142
	143	extern void s3c24xx_init_uarts(struct s3c2410_uartcfg *cfg, int no);
	144
	145	extern void s3c24xx_init_clocks(int xtal);
	146
66a9b49a BD	147	extern void s3c24xx_init_uartdevs(char *name,
	148	struct s3c24xx_uart_resources *res,
	149	struct s3c2410_uartcfg *cfg, int no);
	150
1da177e4 LT	151	/* timer for 2410/2440 */
	152
	153	struct sys_timer;
	154	extern struct sys_timer s3c24xx_timer;
	155
bb072c3c RW	156	extern struct syscore_ops s3c2410_pm_syscore_ops;
	157	extern struct syscore_ops s3c2412_pm_syscore_ops;
	158	extern struct syscore_ops s3c2416_pm_syscore_ops;
	159	extern struct syscore_ops s3c244x_pm_syscore_ops;
	160	extern struct syscore_ops s3c64xx_irq_syscore_ops;
	161
1da177e4 LT	162	/* system device classes */
1da177e4 LT	163
a341305e	164	extern struct sysdev_class s3c2410_sysclass;
f0176794	165	extern struct sysdev_class s3c2410a_sysclass;
68d9ab39	166	extern struct sysdev_class s3c2412_sysclass;
f1290a49	167	extern struct sysdev_class s3c2416_sysclass;
1da177e4	168	extern struct sysdev_class s3c2440_sysclass;
96ce2385	169	extern struct sysdev_class s3c2442_sysclass;
e4d06e39	170	extern struct sysdev_class s3c2443_sysclass;
0abfe9aa	171	extern struct sysdev_class s3c6410_sysclass;
1deb507d	172	extern struct sysdev_class s3c64xx_sysclass;
d7297612	173	extern struct sysdev_class s5p64x0_sysclass;
0ad73cef	174	extern struct sysdev_class s5pv210_sysclass;
1663895c	175	extern struct sysdev_class exynos4_sysclass;
1deb507d	176
c3fcf5d1 KP	177	extern void (*s5pc1xx_idle)(void);
	178
	179	#endif