1 /* linux/arch/arm/plat-s3c/include/plat/cpu.h 2 * 3 * Copyright (c) 2004-2005 Simtec Electronics 4 * Ben Dooks <ben@simtec.co.uk> 5 * 6 * Header file for S3C24XX CPU support 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License version 2 as 10 * published by the Free Software Foundation. 11 */ 12 13 /* todo - fix when rmk changes iodescs to use `void __iomem *` */ 14 15 #define IODESC_ENT(x) { (unsigned long)S3C24XX_VA_##x, __phys_to_pfn(S3C24XX_PA_##x), S3C24XX_SZ_##x, MT_DEVICE } 16 17 #ifndef MHZ 18 #define MHZ (1000*1000) 19 #endif 20 21 #define print_mhz(m) ((m) / MHZ), (((m) / 1000) % 1000) 22 23 /* forward declaration */ 24 struct s3c24xx_uart_resources; 25 struct platform_device; 26 struct s3c2410_uartcfg; 27 struct map_desc; 28 29 /* per-cpu initialisation function table. */ 30 31 struct cpu_table { 32 unsigned long idcode; 33 unsigned long idmask; 34 void (*map_io)(void); 35 void (*init_uarts)(struct s3c2410_uartcfg *cfg, int no); 36 void (*init_clocks)(int xtal); 37 int (*init)(void); 38 const char *name; 39 }; 40 41 extern void s3c_init_cpu(unsigned long idcode, 42 struct cpu_table *cpus, unsigned int cputab_size); 43 44 /* core initialisation functions */ 45 46 extern void s3c24xx_init_irq(void); 47 extern void s3c64xx_init_irq(u32 vic0, u32 vic1); 48 49 extern void s3c24xx_init_io(struct map_desc *mach_desc, int size); 50 extern void s3c64xx_init_io(struct map_desc *mach_desc, int size); 51 52 extern void s3c24xx_init_uarts(struct s3c2410_uartcfg *cfg, int no); 53 54 extern void s3c24xx_init_clocks(int xtal); 55 56 extern void s3c24xx_init_uartdevs(char *name, 57 struct s3c24xx_uart_resources *res, 58 struct s3c2410_uartcfg *cfg, int no); 59 60 /* timer for 2410/2440 */ 61 62 struct sys_timer; 63 extern struct sys_timer s3c24xx_timer; 64 65 /* system device classes */ 66 67 extern struct sysdev_class s3c2410_sysclass; 68 extern struct sysdev_class s3c2412_sysclass; 69 extern struct sysdev_class s3c2440_sysclass; 70 extern struct sysdev_class s3c2442_sysclass; 71 extern struct sysdev_class s3c2443_sysclass; 72