diff options
Diffstat (limited to 'arch/arm/plat-samsung/include/plat/cpu.h')
-rw-r--r-- | arch/arm/plat-samsung/include/plat/cpu.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/arch/arm/plat-samsung/include/plat/cpu.h b/arch/arm/plat-samsung/include/plat/cpu.h new file mode 100644 index 00000000000..d316b4a579f --- /dev/null +++ b/arch/arm/plat-samsung/include/plat/cpu.h @@ -0,0 +1,84 @@ +/* linux/arch/arm/plat-samsung/include/plat/cpu.h + * + * Copyright (c) 2004-2005 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * Header file for S3C24XX 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 + +#define IODESC_ENT(x) { (unsigned long)S3C24XX_VA_##x, __phys_to_pfn(S3C24XX_PA_##x), S3C24XX_SZ_##x, MT_DEVICE } + +#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 s3c24xx_init_irq(void); +extern void s3c64xx_init_irq(u32 vic0, u32 vic1); +extern void s5p_init_irq(u32 *vic, u32 num_vic); + +extern void s3c24xx_init_io(struct map_desc *mach_desc, int size); +extern void s3c64xx_init_io(struct map_desc *mach_desc, int size); +extern void s5p_init_io(struct map_desc *mach_desc, + int size, void __iomem *cpuid_addr); + +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); + +/* timer for 2410/2440 */ + +struct sys_timer; +extern struct sys_timer s3c24xx_timer; + +/* system device classes */ + +extern struct sysdev_class s3c2410_sysclass; +extern struct sysdev_class s3c2410a_sysclass; +extern struct sysdev_class s3c2412_sysclass; +extern struct sysdev_class s3c2440_sysclass; +extern struct sysdev_class s3c2442_sysclass; +extern struct sysdev_class s3c2443_sysclass; +extern struct sysdev_class s3c6410_sysclass; +extern struct sysdev_class s3c64xx_sysclass; + +extern void (*s5pc1xx_idle)(void); + +#endif |