LXR linux/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 */
  27struct s3c24xx_uart_resources;
  28struct platform_device;
  29struct s3c2410_uartcfg;
  30struct map_desc;
  31
  32/* per-cpu initialisation function table. */
  33
  34struct 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
  44extern void s3c_init_cpu(unsigned long idcode,
  45                         struct cpu_table *cpus, unsigned int cputab_size);
  46
  47/* core initialisation functions */
  48
  49extern void s3c24xx_init_irq(void);
  50extern void s3c64xx_init_irq(u32 vic0, u32 vic1);
  51extern void s5p_init_irq(u32 *vic, u32 num_vic);
  52
  53extern void s3c24xx_init_io(struct map_desc *mach_desc, int size);
  54extern void s3c64xx_init_io(struct map_desc *mach_desc, int size);
  55extern void s5p_init_io(struct map_desc *mach_desc,
  56                        int size, void __iomem *cpuid_addr);
  57
  58extern void s3c24xx_init_uarts(struct s3c2410_uartcfg *cfg, int no);
  59
  60extern void s3c24xx_init_clocks(int xtal);
  61
  62extern 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
  68struct sys_timer;
  69extern struct sys_timer s3c24xx_timer;
  70
  71/* system device classes */
  72
  73extern struct sysdev_class s3c2410_sysclass;
  74extern struct sysdev_class s3c2410a_sysclass;
  75extern struct sysdev_class s3c2412_sysclass;
  76extern struct sysdev_class s3c2416_sysclass;
  77extern struct sysdev_class s3c2440_sysclass;
  78extern struct sysdev_class s3c2442_sysclass;
  79extern struct sysdev_class s3c2443_sysclass;
  80extern struct sysdev_class s3c6410_sysclass;
  81extern struct sysdev_class s3c64xx_sysclass;
  82extern struct sysdev_class s5p64x0_sysclass;
  83extern struct sysdev_class s5p6442_sysclass;
  84extern struct sysdev_class s5pv210_sysclass;
  85
  86extern void (*s5pc1xx_idle)(void);
  87
  88#endif
  89