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128 lines
3.4 KiB
128 lines
3.4 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* |
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* Copyright (c) 2011 Samsung Electronics Co., Ltd. |
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* http://www.samsung.com/ |
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* |
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* Copyright (c) 2004-2005 Simtec Electronics |
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* Ben Dooks <[email protected]> |
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* |
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* Header file for Samsung CPU support |
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*/ |
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/* todo - fix when rmk changes iodescs to use `void __iomem *` */ |
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#ifndef __SAMSUNG_PLAT_CPU_H |
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#define __SAMSUNG_PLAT_CPU_H |
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extern unsigned long samsung_cpu_id; |
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#define S3C2410_CPU_ID 0x32410000 |
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#define S3C2410_CPU_MASK 0xFFFFFFFF |
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#define S3C24XX_CPU_ID 0x32400000 |
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#define S3C24XX_CPU_MASK 0xFFF00000 |
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#define S3C2412_CPU_ID 0x32412000 |
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#define S3C2412_CPU_MASK 0xFFFFF000 |
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#define S3C6400_CPU_ID 0x36400000 |
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#define S3C6410_CPU_ID 0x36410000 |
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#define S3C64XX_CPU_MASK 0xFFFFF000 |
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#define S5PV210_CPU_ID 0x43110000 |
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#define S5PV210_CPU_MASK 0xFFFFF000 |
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#define IS_SAMSUNG_CPU(name, id, mask) \ |
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static inline int is_samsung_##name(void) \ |
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{ \ |
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return ((samsung_cpu_id & mask) == (id & mask)); \ |
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} |
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IS_SAMSUNG_CPU(s3c2410, S3C2410_CPU_ID, S3C2410_CPU_MASK) |
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IS_SAMSUNG_CPU(s3c24xx, S3C24XX_CPU_ID, S3C24XX_CPU_MASK) |
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IS_SAMSUNG_CPU(s3c2412, S3C2412_CPU_ID, S3C2412_CPU_MASK) |
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IS_SAMSUNG_CPU(s3c6400, S3C6400_CPU_ID, S3C64XX_CPU_MASK) |
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IS_SAMSUNG_CPU(s3c6410, S3C6410_CPU_ID, S3C64XX_CPU_MASK) |
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#if defined(CONFIG_CPU_S3C2410) || defined(CONFIG_CPU_S3C2412) || \ |
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defined(CONFIG_CPU_S3C2416) || defined(CONFIG_CPU_S3C2440) || \ |
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defined(CONFIG_CPU_S3C2442) || defined(CONFIG_CPU_S3C244X) || \ |
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defined(CONFIG_CPU_S3C2443) |
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# define soc_is_s3c24xx() is_samsung_s3c24xx() |
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# define soc_is_s3c2410() is_samsung_s3c2410() |
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#else |
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# define soc_is_s3c24xx() 0 |
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# define soc_is_s3c2410() 0 |
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#endif |
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#if defined(CONFIG_CPU_S3C2412) |
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# define soc_is_s3c2412() is_samsung_s3c2412() |
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#else |
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# define soc_is_s3c2412() 0 |
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#endif |
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#if defined(CONFIG_CPU_S3C6400) || defined(CONFIG_CPU_S3C6410) |
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# define soc_is_s3c6400() is_samsung_s3c6400() |
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# define soc_is_s3c6410() is_samsung_s3c6410() |
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# define soc_is_s3c64xx() (is_samsung_s3c6400() || is_samsung_s3c6410()) |
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#else |
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# define soc_is_s3c6400() 0 |
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# define soc_is_s3c6410() 0 |
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# define soc_is_s3c64xx() 0 |
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#endif |
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#define IODESC_ENT(x) { (unsigned long)S3C24XX_VA_##x, __phys_to_pfn(S3C24XX_PA_##x), S3C24XX_SZ_##x, MT_DEVICE } |
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#ifndef KHZ |
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#define KHZ (1000) |
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#endif |
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#ifndef MHZ |
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#define MHZ (1000*1000) |
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#endif |
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#define print_mhz(m) ((m) / MHZ), (((m) / 1000) % 1000) |
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/* forward declaration */ |
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struct s3c24xx_uart_resources; |
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struct platform_device; |
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struct s3c2410_uartcfg; |
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struct map_desc; |
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/* per-cpu initialisation function table. */ |
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struct cpu_table { |
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unsigned long idcode; |
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unsigned long idmask; |
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void (*map_io)(void); |
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void (*init_uarts)(struct s3c2410_uartcfg *cfg, int no); |
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void (*init_clocks)(int xtal); |
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int (*init)(void); |
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const char *name; |
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}; |
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extern void s3c_init_cpu(unsigned long idcode, |
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struct cpu_table *cpus, unsigned int cputab_size); |
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/* core initialisation functions */ |
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extern void s3c24xx_init_io(struct map_desc *mach_desc, int size); |
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extern void s3c64xx_init_cpu(void); |
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extern void s3c24xx_init_uarts(struct s3c2410_uartcfg *cfg, int no); |
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extern void s3c24xx_init_clocks(int xtal); |
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extern void s3c24xx_init_uartdevs(char *name, |
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struct s3c24xx_uart_resources *res, |
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struct s3c2410_uartcfg *cfg, int no); |
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extern struct syscore_ops s3c2410_pm_syscore_ops; |
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extern struct syscore_ops s3c2412_pm_syscore_ops; |
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extern struct syscore_ops s3c2416_pm_syscore_ops; |
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extern struct syscore_ops s3c244x_pm_syscore_ops; |
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extern struct bus_type s3c6410_subsys; |
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#endif
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