include/asm-arm/mach/arch.h

   1 /*
   2  * linux/include/asm-arm/mach/arch.h
   3  *
   4  * Copyright (C) 2000 Russell King
   5  */
   6
   7 /*
   8  * The size of struct machine_desc
   9  *   (for assembler code)
  10  */
  11 #define SIZEOF_MACHINE_DESC     44
  12
  13 #ifndef __ASSEMBLY__
  14
  15 struct machine_desc {
  16         /*
  17          * Note! The first four elements are used
  18          * by assembler code in head-armv.S
  19          */
  20         unsigned int    nr;             /* architecture number  */
  21         unsigned int    phys_ram;       /* start of physical ram */
  22         unsigned int    phys_io;        /* start of physical io */
  23         unsigned int    virt_io;        /* start of virtual io  */
  24
  25         const char      *name;          /* architecture name    */
  26         unsigned int    param_offset;   /* parameter page       */
  27
  28         unsigned int    video_start;    /* start of video RAM   */
  29         unsigned int    video_end;      /* end of video RAM     */
  30
  31         unsigned int    reserve_lp0 :1; /* never has lp0        */
  32         unsigned int    reserve_lp1 :1; /* never has lp1        */
  33         unsigned int    reserve_lp2 :1; /* never has lp2        */
  34         unsigned int    broken_hlt  :1; /* hlt is broken        */
  35         unsigned int    soft_reboot :1; /* soft reboot          */
  36         void            (*fixup)(struct machine_desc *,
  37                                  struct param_struct *, char **,
  38                                  struct meminfo *);
  39         void            (*map_io)(void);/* IO mapping function  */
  40 };
  41
  42 /*
  43  * Set of macros to define architecture features.  This is built into
  44  * a table by the linker.
  45  */
  46 #define MACHINE_START(_type,_name)              \
  47 const struct machine_desc __mach_desc_##_type   \
  48  __attribute__((__section__(".arch.info"))) = { \
  49         nr:             MACH_TYPE_##_type##,    \
  50         name:           _name,
  51
  52 #define MAINTAINER(n)
  53
  54 #define BOOT_MEM(_pram,_pio,_vio)               \
  55         phys_ram:       _pram,                  \
  56         phys_io:        _pio,                   \
  57         virt_io:        _vio,
  58
  59 #define BOOT_PARAMS(_params)                    \
  60         param_offset:   _params,
  61
  62 #define VIDEO(_start,_end)                      \
  63         video_start:    _start,                 \
  64         video_end:      _end,
  65
  66 #define DISABLE_PARPORT(_n)                     \
  67         reserve_lp##_n##:       1,
  68
  69 #define BROKEN_HLT                              \
  70         broken_hlt:     1,
  71
  72 #define SOFT_REBOOT                             \
  73         soft_reboot:    1,
  74
  75 #define FIXUP(_func)                            \
  76         fixup:          _func,
  77
  78 #define MAPIO(_func)                            \
  79         map_io:         _func,
  80
  81 #define MACHINE_END                             \
  82 };
  83
  84 #endif