1 /* linux/arch/arm/plat-samsung/include/plat/cpu.h
3 * Copyright (c) 2011 Samsung Electronics Co., Ltd.
4 * http://www.samsung.com/
6 * Copyright (c) 2004-2005 Simtec Electronics
7 * Ben Dooks <ben@simtec.co.uk>
9 * Header file for Samsung CPU support
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.
16 /* todo - fix when rmk changes iodescs to use `void __iomem *` */
18 #ifndef __SAMSUNG_PLAT_CPU_H
19 #define __SAMSUNG_PLAT_CPU_H
21 extern unsigned long samsung_cpu_id;
23 #define S3C24XX_CPU_ID 0x32400000
24 #define S3C24XX_CPU_MASK 0xFFF00000
26 #define S3C2412_CPU_ID 0x32412000
27 #define S3C2412_CPU_MASK 0xFFFFF000
29 #define S3C6400_CPU_ID 0x36400000
30 #define S3C6410_CPU_ID 0x36410000
31 #define S3C64XX_CPU_MASK 0xFFFFF000
33 #define S5P6440_CPU_ID 0x56440000
34 #define S5P6450_CPU_ID 0x36450000
35 #define S5P64XX_CPU_MASK 0xFFFFF000
37 #define S5PC100_CPU_ID 0x43100000
38 #define S5PC100_CPU_MASK 0xFFFFF000
40 #define S5PV210_CPU_ID 0x43110000
41 #define S5PV210_CPU_MASK 0xFFFFF000
43 #define EXYNOS4210_CPU_ID 0x43210000
44 #define EXYNOS4212_CPU_ID 0x43220000
45 #define EXYNOS4412_CPU_ID 0xE4412200
46 #define EXYNOS4_CPU_MASK 0xFFFE0000
48 #define EXYNOS5250_SOC_ID 0x43520000
49 #define EXYNOS5420_SOC_ID 0xE5420000
50 #define EXYNOS5440_SOC_ID 0xE5440000
51 #define EXYNOS5_SOC_MASK 0xFFFFF000
53 #define IS_SAMSUNG_CPU(name, id, mask) \
54 static inline int is_samsung_##name(void) \
56 return ((samsung_cpu_id & mask) == (id & mask)); \
59 IS_SAMSUNG_CPU(s3c24xx, S3C24XX_CPU_ID, S3C24XX_CPU_MASK)
60 IS_SAMSUNG_CPU(s3c2412, S3C2412_CPU_ID, S3C2412_CPU_MASK)
61 IS_SAMSUNG_CPU(s3c6400, S3C6400_CPU_ID, S3C64XX_CPU_MASK)
62 IS_SAMSUNG_CPU(s3c6410, S3C6410_CPU_ID, S3C64XX_CPU_MASK)
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)
68 IS_SAMSUNG_CPU(exynos4212, EXYNOS4212_CPU_ID, EXYNOS4_CPU_MASK)
69 IS_SAMSUNG_CPU(exynos4412, EXYNOS4412_CPU_ID, EXYNOS4_CPU_MASK)
70 IS_SAMSUNG_CPU(exynos5250, EXYNOS5250_SOC_ID, EXYNOS5_SOC_MASK)
71 IS_SAMSUNG_CPU(exynos5420, EXYNOS5420_SOC_ID, EXYNOS5_SOC_MASK)
72 IS_SAMSUNG_CPU(exynos5440, EXYNOS5440_SOC_ID, EXYNOS5_SOC_MASK)
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()
80 # define soc_is_s3c24xx() 0
83 #if defined(CONFIG_CPU_S3C2412)
84 # define soc_is_s3c2412() is_samsung_s3c2412()
86 # define soc_is_s3c2412() 0
89 #if defined(CONFIG_CPU_S3C6400) || defined(CONFIG_CPU_S3C6410)
90 # define soc_is_s3c6400() is_samsung_s3c6400()
91 # define soc_is_s3c6410() is_samsung_s3c6410()
92 # define soc_is_s3c64xx() (is_samsung_s3c6400() || is_samsung_s3c6410())
94 # define soc_is_s3c6400() 0
95 # define soc_is_s3c6410() 0
96 # define soc_is_s3c64xx() 0
99 #if defined(CONFIG_CPU_S5P6440)
100 # define soc_is_s5p6440() is_samsung_s5p6440()
102 # define soc_is_s5p6440() 0
105 #if defined(CONFIG_CPU_S5P6450)
106 # define soc_is_s5p6450() is_samsung_s5p6450()
108 # define soc_is_s5p6450() 0
111 #if defined(CONFIG_CPU_S5PC100)
112 # define soc_is_s5pc100() is_samsung_s5pc100()
114 # define soc_is_s5pc100() 0
117 #if defined(CONFIG_CPU_S5PV210)
118 # define soc_is_s5pv210() is_samsung_s5pv210()
120 # define soc_is_s5pv210() 0
123 #if defined(CONFIG_CPU_EXYNOS4210)
124 # define soc_is_exynos4210() is_samsung_exynos4210()
126 # define soc_is_exynos4210() 0
129 #if defined(CONFIG_SOC_EXYNOS4212)
130 # define soc_is_exynos4212() is_samsung_exynos4212()
132 # define soc_is_exynos4212() 0
135 #if defined(CONFIG_SOC_EXYNOS4412)
136 # define soc_is_exynos4412() is_samsung_exynos4412()
138 # define soc_is_exynos4412() 0
141 #define EXYNOS4210_REV_0 (0x0)
142 #define EXYNOS4210_REV_1_0 (0x10)
143 #define EXYNOS4210_REV_1_1 (0x11)
145 #if defined(CONFIG_SOC_EXYNOS5250)
146 # define soc_is_exynos5250() is_samsung_exynos5250()
148 # define soc_is_exynos5250() 0
151 #if defined(CONFIG_SOC_EXYNOS5420)
152 # define soc_is_exynos5420() is_samsung_exynos5420()
154 # define soc_is_exynos5420() 0
157 #if defined(CONFIG_SOC_EXYNOS5440)
158 # define soc_is_exynos5440() is_samsung_exynos5440()
160 # define soc_is_exynos5440() 0
163 #define IODESC_ENT(x) { (unsigned long)S3C24XX_VA_##x, __phys_to_pfn(S3C24XX_PA_##x), S3C24XX_SZ_##x, MT_DEVICE }
170 #define MHZ (1000*1000)
173 #define print_mhz(m) ((m) / MHZ), (((m) / 1000) % 1000)
175 /* forward declaration */
176 struct s3c24xx_uart_resources;
177 struct platform_device;
178 struct s3c2410_uartcfg;
181 /* per-cpu initialisation function 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);
193 extern void s3c_init_cpu(unsigned long idcode,
194 struct cpu_table *cpus, unsigned int cputab_size);
196 /* core initialisation functions */
198 extern void s5p_init_irq(u32 *vic, u32 num_vic);
200 extern void s3c24xx_init_io(struct map_desc *mach_desc, int size);
202 extern void s3c24xx_init_cpu(void);
203 extern void s3c64xx_init_cpu(void);
204 extern void s5p_init_cpu(void __iomem *cpuid_addr);
206 extern unsigned int samsung_rev(void);
208 extern void s3c24xx_init_uarts(struct s3c2410_uartcfg *cfg, int no);
210 extern void s3c24xx_init_clocks(int xtal);
212 extern void s3c24xx_init_uartdevs(char *name,
213 struct s3c24xx_uart_resources *res,
214 struct s3c2410_uartcfg *cfg, int no);
216 extern struct syscore_ops s3c2410_pm_syscore_ops;
217 extern struct syscore_ops s3c2412_pm_syscore_ops;
218 extern struct syscore_ops s3c2416_pm_syscore_ops;
219 extern struct syscore_ops s3c244x_pm_syscore_ops;
221 /* system device subsystems */
223 extern struct bus_type s3c2410_subsys;
224 extern struct bus_type s3c2410a_subsys;
225 extern struct bus_type s3c2412_subsys;
226 extern struct bus_type s3c2416_subsys;
227 extern struct bus_type s3c2440_subsys;
228 extern struct bus_type s3c2442_subsys;
229 extern struct bus_type s3c2443_subsys;
230 extern struct bus_type s3c6410_subsys;
231 extern struct bus_type s5p64x0_subsys;
232 extern struct bus_type s5pv210_subsys;
233 extern struct bus_type exynos_subsys;
235 extern void (*s5pc1xx_idle)(void);