projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 4490e3c6 KK |
1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | /* | |
| c06af3cc KK |
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 |
| 4490e3c6 | 10 | */ |
| 1da177e4 LT |
11 | |
| 12 | /* todo - fix when rmk changes iodescs to use `void __iomem *` */ | |
| 13 | ||
| c3fcf5d1 KP |
14 | #ifndef __SAMSUNG_PLAT_CPU_H |
| 15 | #define __SAMSUNG_PLAT_CPU_H | |
| 16 | ||
| c06af3cc KK |
17 | extern unsigned long samsung_cpu_id; |
| 18 | ||
| c06af3cc KK |
19 | #define S3C6400_CPU_ID 0x36400000 |
| 20 | #define S3C6410_CPU_ID 0x36410000 | |
| 2747f5e5 | 21 | #define S3C64XX_CPU_MASK 0xFFFFF000 |
| c06af3cc | 22 | |
| c06af3cc KK |
23 | #define S5PV210_CPU_ID 0x43110000 |
| 24 | #define S5PV210_CPU_MASK 0xFFFFF000 | |
| 25 | ||
| c06af3cc KK |
26 | #define IS_SAMSUNG_CPU(name, id, mask) \ |
| 27 | static inline int is_samsung_##name(void) \ | |
| 28 | { \ | |
| 29 | return ((samsung_cpu_id & mask) == (id & mask)); \ | |
| 30 | } | |
| 31 | ||
| 0f4e54c6 MB |
32 | IS_SAMSUNG_CPU(s3c6400, S3C6400_CPU_ID, S3C64XX_CPU_MASK) |
| 33 | IS_SAMSUNG_CPU(s3c6410, S3C6410_CPU_ID, S3C64XX_CPU_MASK) | |
| c06af3cc | 34 | |
| c06af3cc | 35 | #if defined(CONFIG_CPU_S3C6400) || defined(CONFIG_CPU_S3C6410) |
| 57a23126 TF |
36 | # define soc_is_s3c6400() is_samsung_s3c6400() |
| 37 | # define soc_is_s3c6410() is_samsung_s3c6410() | |
| 0f4e54c6 | 38 | # define soc_is_s3c64xx() (is_samsung_s3c6400() || is_samsung_s3c6410()) |
| c06af3cc | 39 | #else |
| 57a23126 TF |
40 | # define soc_is_s3c6400() 0 |
| 41 | # define soc_is_s3c6410() 0 | |
| c06af3cc KK |
42 | # define soc_is_s3c64xx() 0 |
| 43 | #endif | |
| 44 | ||
| 1da177e4 LT |
45 | #ifndef MHZ |
| 46 | #define MHZ (1000*1000) | |
| 47 | #endif | |
| 48 | ||
| a503059c | 49 | #define print_mhz(m) ((m) / MHZ), (((m) / 1000) % 1000) |
| 1da177e4 LT |
50 | |
| 51 | /* forward declaration */ | |
| 66a9b49a BD |
52 | struct s3c24xx_uart_resources; |
| 53 | struct platform_device; | |
| 1da177e4 LT |
54 | struct s3c2410_uartcfg; |
| 55 | struct map_desc; | |
| 56 | ||
| 74b265d4 BD |
57 | /* per-cpu initialisation function table. */ |
| 58 | ||
| 59 | struct 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); | |
| 74b265d4 BD |
64 | int (*init)(void); |
| 65 | const char *name; | |
| 66 | }; | |
| 67 | ||
| 68 | extern void s3c_init_cpu(unsigned long idcode, | |
| 69 | struct cpu_table *cpus, unsigned int cputab_size); | |
| 70 | ||
| 1da177e4 | 71 | /* core initialisation functions */ |
| e6d1cb9f | 72 | extern void s3c64xx_init_cpu(void); |
| 56b20922 | 73 | |
| 1da177e4 | 74 | extern void s3c24xx_init_uarts(struct s3c2410_uartcfg *cfg, int no); |
| 66a9b49a BD |
75 | extern void s3c24xx_init_uartdevs(char *name, |
| 76 | struct s3c24xx_uart_resources *res, | |
| 77 | struct s3c2410_uartcfg *cfg, int no); | |
| 78 | ||
| 4a858cfc | 79 | extern struct bus_type s3c6410_subsys; |
| 1deb507d | 80 | |
| c3fcf5d1 | 81 | #endif |