145 lines
4.0 KiB
C
145 lines
4.0 KiB
C
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/* linux/arch/arm/plat-samsung/include/plat/cpu.h
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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 <ben@simtec.co.uk>
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*
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* Header file for Samsung CPU support
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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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 s5p_init_cpu(const void __iomem *cpuid_addr);
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extern unsigned int samsung_rev(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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/* system device subsystems */
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extern struct bus_type s3c2410_subsys;
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extern struct bus_type s3c2410a_subsys;
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extern struct bus_type s3c2412_subsys;
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extern struct bus_type s3c2416_subsys;
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extern struct bus_type s3c2440_subsys;
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extern struct bus_type s3c2442_subsys;
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extern struct bus_type s3c2443_subsys;
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extern struct bus_type s3c6410_subsys;
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#endif
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