LXR linux/arch/arm/plat-s3c/include/plat/cpu.h

   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 */
  24struct s3c24xx_uart_resources;
  25struct platform_device;
  26struct s3c2410_uartcfg;
  27struct map_desc;
  28
  29/* per-cpu initialisation function table. */
  30
  31struct 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
  41extern void s3c_init_cpu(unsigned long idcode,
  42                         struct cpu_table *cpus, unsigned int cputab_size);
  43
  44/* core initialisation functions */
  45
  46extern void s3c24xx_init_irq(void);
  47extern void s3c64xx_init_irq(u32 vic0, u32 vic1);
  48
  49extern void s3c24xx_init_io(struct map_desc *mach_desc, int size);
  50extern void s3c64xx_init_io(struct map_desc *mach_desc, int size);
  51
  52extern void s3c24xx_init_uarts(struct s3c2410_uartcfg *cfg, int no);
  53
  54extern void s3c24xx_init_clocks(int xtal);
  55
  56extern 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
  62struct sys_timer;
  63extern struct sys_timer s3c24xx_timer;
  64
  65/* system device classes */
  66
  67extern struct sysdev_class s3c2410_sysclass;
  68extern struct sysdev_class s3c2410a_sysclass;
  69extern struct sysdev_class s3c2412_sysclass;
  70extern struct sysdev_class s3c2440_sysclass;
  71extern struct sysdev_class s3c2442_sysclass;
  72extern struct sysdev_class s3c2443_sysclass;
  73extern struct sysdev_class s3c6410_sysclass;
  74extern struct sysdev_class s3c64xx_sysclass;
  75
  76