Loading...
1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Copyright (c) 2011 Samsung Electronics Co., Ltd.
4 * http://www.samsung.com/
5 *
6 * Copyright (c) 2004-2005 Simtec Electronics
7 * Ben Dooks <ben@simtec.co.uk>
8 *
9 * Header file for Samsung CPU support
10 */
11
12/* todo - fix when rmk changes iodescs to use `void __iomem *` */
13
14#ifndef __SAMSUNG_PLAT_CPU_H
15#define __SAMSUNG_PLAT_CPU_H
16
17extern unsigned long samsung_cpu_id;
18
19#define S3C6400_CPU_ID 0x36400000
20#define S3C6410_CPU_ID 0x36410000
21#define S3C64XX_CPU_MASK 0xFFFFF000
22
23#define S5PV210_CPU_ID 0x43110000
24#define S5PV210_CPU_MASK 0xFFFFF000
25
26#define IS_SAMSUNG_CPU(name, id, mask) \
27static inline int is_samsung_##name(void) \
28{ \
29 return ((samsung_cpu_id & mask) == (id & mask)); \
30}
31
32IS_SAMSUNG_CPU(s3c6400, S3C6400_CPU_ID, S3C64XX_CPU_MASK)
33IS_SAMSUNG_CPU(s3c6410, S3C6410_CPU_ID, S3C64XX_CPU_MASK)
34
35#if defined(CONFIG_CPU_S3C6400) || defined(CONFIG_CPU_S3C6410)
36# define soc_is_s3c6400() is_samsung_s3c6400()
37# define soc_is_s3c6410() is_samsung_s3c6410()
38# define soc_is_s3c64xx() (is_samsung_s3c6400() || is_samsung_s3c6410())
39#else
40# define soc_is_s3c6400() 0
41# define soc_is_s3c6410() 0
42# define soc_is_s3c64xx() 0
43#endif
44
45#ifndef MHZ
46#define MHZ (1000*1000)
47#endif
48
49#define print_mhz(m) ((m) / MHZ), (((m) / 1000) % 1000)
50
51/* forward declaration */
52struct s3c24xx_uart_resources;
53struct platform_device;
54struct s3c2410_uartcfg;
55struct map_desc;
56
57/* per-cpu initialisation function table. */
58
59struct cpu_table {
60 unsigned long idcode;
61 unsigned long idmask;
62 void (*map_io)(void);
63 void (*init_uarts)(struct s3c2410_uartcfg *cfg, int no);
64 int (*init)(void);
65 const char *name;
66};
67
68extern void s3c_init_cpu(unsigned long idcode,
69 struct cpu_table *cpus, unsigned int cputab_size);
70
71/* core initialisation functions */
72extern void s3c64xx_init_cpu(void);
73
74extern void s3c24xx_init_uarts(struct s3c2410_uartcfg *cfg, int no);
75extern void s3c24xx_init_uartdevs(char *name,
76 struct s3c24xx_uart_resources *res,
77 struct s3c2410_uartcfg *cfg, int no);
78
79extern const struct bus_type s3c6410_subsys;
80
81#endif
1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Copyright (c) 2011 Samsung Electronics Co., Ltd.
4 * http://www.samsung.com/
5 *
6 * Copyright (c) 2004-2005 Simtec Electronics
7 * Ben Dooks <ben@simtec.co.uk>
8 *
9 * Header file for Samsung CPU support
10 */
11
12/* todo - fix when rmk changes iodescs to use `void __iomem *` */
13
14#ifndef __SAMSUNG_PLAT_CPU_H
15#define __SAMSUNG_PLAT_CPU_H
16
17extern unsigned long samsung_cpu_id;
18
19#define S3C2410_CPU_ID 0x32410000
20#define S3C2410_CPU_MASK 0xFFFFFFFF
21
22#define S3C24XX_CPU_ID 0x32400000
23#define S3C24XX_CPU_MASK 0xFFF00000
24
25#define S3C2412_CPU_ID 0x32412000
26#define S3C2412_CPU_MASK 0xFFFFF000
27
28#define S3C6400_CPU_ID 0x36400000
29#define S3C6410_CPU_ID 0x36410000
30#define S3C64XX_CPU_MASK 0xFFFFF000
31
32#define S5PV210_CPU_ID 0x43110000
33#define S5PV210_CPU_MASK 0xFFFFF000
34
35#define IS_SAMSUNG_CPU(name, id, mask) \
36static inline int is_samsung_##name(void) \
37{ \
38 return ((samsung_cpu_id & mask) == (id & mask)); \
39}
40
41IS_SAMSUNG_CPU(s3c2410, S3C2410_CPU_ID, S3C2410_CPU_MASK)
42IS_SAMSUNG_CPU(s3c24xx, S3C24XX_CPU_ID, S3C24XX_CPU_MASK)
43IS_SAMSUNG_CPU(s3c2412, S3C2412_CPU_ID, S3C2412_CPU_MASK)
44IS_SAMSUNG_CPU(s3c6400, S3C6400_CPU_ID, S3C64XX_CPU_MASK)
45IS_SAMSUNG_CPU(s3c6410, S3C6410_CPU_ID, S3C64XX_CPU_MASK)
46
47#if defined(CONFIG_CPU_S3C2410) || defined(CONFIG_CPU_S3C2412) || \
48 defined(CONFIG_CPU_S3C2416) || defined(CONFIG_CPU_S3C2440) || \
49 defined(CONFIG_CPU_S3C2442) || defined(CONFIG_CPU_S3C244X) || \
50 defined(CONFIG_CPU_S3C2443)
51# define soc_is_s3c24xx() is_samsung_s3c24xx()
52# define soc_is_s3c2410() is_samsung_s3c2410()
53#else
54# define soc_is_s3c24xx() 0
55# define soc_is_s3c2410() 0
56#endif
57
58#if defined(CONFIG_CPU_S3C2412)
59# define soc_is_s3c2412() is_samsung_s3c2412()
60#else
61# define soc_is_s3c2412() 0
62#endif
63
64#if defined(CONFIG_CPU_S3C6400) || defined(CONFIG_CPU_S3C6410)
65# define soc_is_s3c6400() is_samsung_s3c6400()
66# define soc_is_s3c6410() is_samsung_s3c6410()
67# define soc_is_s3c64xx() (is_samsung_s3c6400() || is_samsung_s3c6410())
68#else
69# define soc_is_s3c6400() 0
70# define soc_is_s3c6410() 0
71# define soc_is_s3c64xx() 0
72#endif
73
74#define IODESC_ENT(x) { (unsigned long)S3C24XX_VA_##x, __phys_to_pfn(S3C24XX_PA_##x), S3C24XX_SZ_##x, MT_DEVICE }
75
76#ifndef KHZ
77#define KHZ (1000)
78#endif
79
80#ifndef MHZ
81#define MHZ (1000*1000)
82#endif
83
84#define print_mhz(m) ((m) / MHZ), (((m) / 1000) % 1000)
85
86/* forward declaration */
87struct s3c24xx_uart_resources;
88struct platform_device;
89struct s3c2410_uartcfg;
90struct map_desc;
91
92/* per-cpu initialisation function table. */
93
94struct cpu_table {
95 unsigned long idcode;
96 unsigned long idmask;
97 void (*map_io)(void);
98 void (*init_uarts)(struct s3c2410_uartcfg *cfg, int no);
99 void (*init_clocks)(int xtal);
100 int (*init)(void);
101 const char *name;
102};
103
104extern void s3c_init_cpu(unsigned long idcode,
105 struct cpu_table *cpus, unsigned int cputab_size);
106
107/* core initialisation functions */
108
109extern void s3c24xx_init_io(struct map_desc *mach_desc, int size);
110
111extern void s3c64xx_init_cpu(void);
112
113extern void s3c24xx_init_uarts(struct s3c2410_uartcfg *cfg, int no);
114
115extern void s3c24xx_init_clocks(int xtal);
116
117extern void s3c24xx_init_uartdevs(char *name,
118 struct s3c24xx_uart_resources *res,
119 struct s3c2410_uartcfg *cfg, int no);
120
121extern struct syscore_ops s3c2410_pm_syscore_ops;
122extern struct syscore_ops s3c2412_pm_syscore_ops;
123extern struct syscore_ops s3c2416_pm_syscore_ops;
124extern struct syscore_ops s3c244x_pm_syscore_ops;
125
126extern struct bus_type s3c6410_subsys;
127
128#endif