include/asm-ppc/machdep.h

   1
   2 #ifndef _PPC_MACHDEP_H
   3 #define _PPC_MACHDEP_H
   4
   5 #include <linux/config.h>
   6
   7 #ifdef CONFIG_APUS
   8 #include <asm-m68k/machdep.h>
   9 #endif
  10
  11 struct pt_regs;
  12
  13 struct machdep_calls {
  14         void            (*setup_arch)(unsigned long * memory_start_p,
  15                                 unsigned long * memory_end_p);
  16         /* Optional, may be NULL. */
  17         int             (*setup_residual)(char *buffer);
  18         /* Optional, may be NULL. */
  19         int             (*get_cpuinfo)(char *buffer);
  20         /* Optional, may be NULL. */
  21         unsigned int    (*irq_cannonicalize)(unsigned int irq);
  22         void            (*init_IRQ)(void);
  23         void            (*do_IRQ)(struct pt_regs *regs, int cpu, int isfake);
  24
  25         /* A general init function, called by ppc_init in init/main.c.
  26            May be NULL. */
  27         void            (*init)(void);
  28
  29         void            (*restart)(char *cmd);
  30         void            (*power_off)(void);
  31         void            (*halt)(void);
  32
  33         void            (*time_init)(void); /* Optional, may be NULL */
  34         int             (*set_rtc_time)(unsigned long nowtime);
  35         unsigned long   (*get_rtc_time)(void);
  36         void            (*calibrate_decr)(void);
  37
  38         void            (*heartbeat)(void);
  39         unsigned long   heartbeat_reset;
  40         unsigned long   heartbeat_count;
  41
  42         void            (*progress)(char *, unsigned short);
  43
  44         unsigned char   (*nvram_read_val)(int addr);
  45         void            (*nvram_write_val)(int addr, unsigned char val);
  46
  47 /* Tons of keyboard stuff. */
  48         int             (*kbd_setkeycode)(unsigned int scancode,
  49                                 unsigned int keycode);
  50         int             (*kbd_getkeycode)(unsigned int scancode);
  51         int             (*kbd_translate)(unsigned char scancode,
  52                                 unsigned char *keycode,
  53                                 char raw_mode);
  54         char            (*kbd_unexpected_up)(unsigned char keycode);
  55         void            (*kbd_leds)(unsigned char leds);
  56         void            (*kbd_init_hw)(void);
  57 #ifdef CONFIG_MAGIC_SYSRQ
  58         unsigned char   *ppc_kbd_sysrq_xlate;
  59 #endif
  60
  61         /* PCI interfaces */
  62         int (*pcibios_read_config_byte)(unsigned char bus,
  63                 unsigned char dev_fn, unsigned char offset, unsigned char *val);
  64         int (*pcibios_read_config_word)(unsigned char bus,
  65                 unsigned char dev_fn, unsigned char offset, unsigned short *val);
  66         int (*pcibios_read_config_dword)(unsigned char bus,
  67                 unsigned char dev_fn, unsigned char offset, unsigned int *val);
  68         int (*pcibios_write_config_byte)(unsigned char bus,
  69                 unsigned char dev_fn, unsigned char offset, unsigned char val);
  70         int (*pcibios_write_config_word)(unsigned char bus,
  71                 unsigned char dev_fn, unsigned char offset, unsigned short val);
  72         int (*pcibios_write_config_dword)(unsigned char bus,
  73                 unsigned char dev_fn, unsigned char offset, unsigned int val);
  74         void (*pcibios_fixup)(void);
  75 struct pci_bus;
  76         void (*pcibios_fixup_bus)(struct pci_bus *);
  77 };
  78
  79 extern struct machdep_calls ppc_md;
  80 extern char cmd_line[512];
  81
  82 extern void setup_pci_ptrs(void);
  83
  84 #define BOOT_INFO_VER 0x1
  85 #define BOOT_INFO_MAGIC 0x05027800
  86
  87 struct boot_info
  88 {
  89         unsigned long magic_start;
  90         char cmd_line[256];
  91         char boot_loader[128];
  92         int _machine;
  93         unsigned long initrd_start, initrd_size;
  94         unsigned long systemmap_start, systemmap_size;
  95         unsigned long prom_entry;
  96         char reserved[3680];    /* pad to 1 page */
  97         unsigned long magic_end;
  98 };
  99 struct boot_info *binfo;
 100 #endif /* _PPC_MACHDEP_H */