release/src-rt-6.x.4708/linux/linux-2.6.36/arch/arm/plat-samsung/include/plat/cpu.h

   1 /* linux/arch/arm/plat-samsung/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 #ifndef __SAMSUNG_PLAT_CPU_H
  16 #define __SAMSUNG_PLAT_CPU_H
  17
  18 #define IODESC_ENT(x) { (unsigned long)S3C24XX_VA_##x, __phys_to_pfn(S3C24XX_PA_##x), S3C24XX_SZ_##x, MT_DEVICE }
  19
  20 #ifndef MHZ
  21 #define MHZ (1000*1000)
  22 #endif
  23
  24 #define print_mhz(m) ((m) / MHZ), (((m) / 1000) % 1000)
  25
  26 /* forward declaration */
  27 struct s3c24xx_uart_resources;
  28 struct platform_device;
  29 struct s3c2410_uartcfg;
  30 struct map_desc;
  31
  32 /* per-cpu initialisation function table. */
  33
  34 struct cpu_table {
  35         unsigned long   idcode;
  36         unsigned long   idmask;
  37         void            (*map_io)(void);
  38         void            (*init_uarts)(struct s3c2410_uartcfg *cfg, int no);
  39         void            (*init_clocks)(int xtal);
  40         int             (*init)(void);
  41         const char      *name;
  42 };
  43
  44 extern void s3c_init_cpu(unsigned long idcode,
  45                          struct cpu_table *cpus, unsigned int cputab_size);
  46
  47 /* core initialisation functions */
  48
  49 extern void s3c24xx_init_irq(void);
  50 extern void s3c64xx_init_irq(u32 vic0, u32 vic1);
  51 extern void s5p_init_irq(u32 *vic, u32 num_vic);
  52
  53 extern void s3c24xx_init_io(struct map_desc *mach_desc, int size);
  54 extern void s3c64xx_init_io(struct map_desc *mach_desc, int size);
  55 extern void s5p_init_io(struct map_desc *mach_desc,
  56                         int size, void __iomem *cpuid_addr);
  57
  58 extern void s3c24xx_init_uarts(struct s3c2410_uartcfg *cfg, int no);
  59
  60 extern void s3c24xx_init_clocks(int xtal);
  61
  62 extern void s3c24xx_init_uartdevs(char *name,
  63                                   struct s3c24xx_uart_resources *res,
  64                                   struct s3c2410_uartcfg *cfg, int no);
  65
  66 /* timer for 2410/2440 */
  67
  68 struct sys_timer;
  69 extern struct sys_timer s3c24xx_timer;
  70
  71 /* system device classes */
  72
  73 extern struct sysdev_class s3c2410_sysclass;
  74 extern struct sysdev_class s3c2410a_sysclass;
  75 extern struct sysdev_class s3c2412_sysclass;
  76 extern struct sysdev_class s3c2416_sysclass;
  77 extern struct sysdev_class s3c2440_sysclass;
  78 extern struct sysdev_class s3c2442_sysclass;
  79 extern struct sysdev_class s3c2443_sysclass;
  80 extern struct sysdev_class s3c6410_sysclass;
  81 extern struct sysdev_class s3c64xx_sysclass;
  82 extern struct sysdev_class s5p6440_sysclass;
  83 extern struct sysdev_class s5p6442_sysclass;
  84 extern struct sysdev_class s5pv210_sysclass;
  85
  86 extern void (*s5pc1xx_idle)(void);
  87
  88 #endif