/* 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 S3C2412_CPU_ID 0x32412000 #define S3C2412_CPU_MASK 0xFFFFF000 #define S3C6400_CPU_ID 0x36400000 #define S3C6410_CPU_ID 0x36410000 #define S3C64XX_CPU_MASK 0xFFFFF000 #define S5P6440_CPU_ID 0x56440000 #define S5P6450_CPU_ID 0x36450000 #define S5P64XX_CPU_MASK 0xFFFFF000 #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 EXYNOS4212_CPU_ID 0x43220000 #define EXYNOS4412_CPU_ID 0xE4412200 #define EXYNOS4_CPU_MASK 0xFFFE0000 #define EXYNOS5250_SOC_ID 0x43520000 #define EXYNOS5440_SOC_ID 0xE5440000 #define EXYNOS5_SOC_MASK 0xFFFFF000 #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(s3c2412, S3C2412_CPU_ID, S3C2412_CPU_MASK) IS_SAMSUNG_CPU(s3c6400, S3C6400_CPU_ID, S3C64XX_CPU_MASK) IS_SAMSUNG_CPU(s3c6410, S3C6410_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) IS_SAMSUNG_CPU(exynos4212, EXYNOS4212_CPU_ID, EXYNOS4_CPU_MASK) IS_SAMSUNG_CPU(exynos4412, EXYNOS4412_CPU_ID, EXYNOS4_CPU_MASK) IS_SAMSUNG_CPU(exynos5250, EXYNOS5250_SOC_ID, EXYNOS5_SOC_MASK) IS_SAMSUNG_CPU(exynos5440, EXYNOS5440_SOC_ID, EXYNOS5_SOC_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_S3C2412) # define soc_is_s3c2412() is_samsung_s3c2412() #else # define soc_is_s3c2412() 0 #endif #if defined(CONFIG_CPU_S3C6400) || defined(CONFIG_CPU_S3C6410) # define soc_is_s3c64xx() (is_samsung_s3c6400() || is_samsung_s3c6410()) #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 #if defined(CONFIG_SOC_EXYNOS4212) # define soc_is_exynos4212() is_samsung_exynos4212() #else # define soc_is_exynos4212() 0 #endif #if defined(CONFIG_SOC_EXYNOS4412) # define soc_is_exynos4412() is_samsung_exynos4412() #else # define soc_is_exynos4412() 0 #endif #define EXYNOS4210_REV_0 (0x0) #define EXYNOS4210_REV_1_0 (0x10) #define EXYNOS4210_REV_1_1 (0x11) #if defined(CONFIG_SOC_EXYNOS5250) # define soc_is_exynos5250() is_samsung_exynos5250() #else # define soc_is_exynos5250() 0 #endif #if defined(CONFIG_SOC_EXYNOS5440) # define soc_is_exynos5440() is_samsung_exynos5440() #else # define soc_is_exynos5440() 0 #endif #define IODESC_ENT(x) { (unsigned long)S3C24XX_VA_##x, __phys_to_pfn(S3C24XX_PA_##x), S3C24XX_SZ_##x, MT_DEVICE } #ifndef KHZ #define KHZ (1000) #endif #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 s5p_init_irq(u32 *vic, u32 num_vic); extern void s3c24xx_init_io(struct map_desc *mach_desc, int size); extern void s3c24xx_init_cpu(void); extern void s3c64xx_init_cpu(void); extern void s5p_init_cpu(void __iomem *cpuid_addr); extern unsigned int samsung_rev(void); 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); 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; /* system device subsystems */ extern struct bus_type s3c2410_subsys; extern struct bus_type s3c2410a_subsys; extern struct bus_type s3c2412_subsys; extern struct bus_type s3c2416_subsys; extern struct bus_type s3c2440_subsys; extern struct bus_type s3c2442_subsys; extern struct bus_type s3c2443_subsys; extern struct bus_type s3c6410_subsys; extern struct bus_type s5p64x0_subsys; extern struct bus_type s5pv210_subsys; extern struct bus_type exynos_subsys; extern void (*s5pc1xx_idle)(void); #endif