kernel/2.6.29.6-aldebaran-rt/arch/arm/include/asm/mach/map.h

   1 /*
   2  *  arch/arm/include/asm/map.h
   3  *
   4  *  Copyright (C) 1999-2000 Russell King
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  *
  10  *  Page table mapping constructs and function prototypes
  11  */
  12 #include <asm/io.h>
  13
  14 struct map_desc {
  15         unsigned long virtual;
  16         unsigned long pfn;
  17         unsigned long length;
  18         unsigned int type;
  19 };
  20
  21 /* types 0-3 are defined in asm/io.h */
  22 #define MT_UNCACHED             4
  23 #define MT_CACHECLEAN           5
  24 #define MT_MINICLEAN            6
  25 #define MT_LOW_VECTORS          7
  26 #define MT_HIGH_VECTORS         8
  27 #define MT_MEMORY               9
  28 #define MT_ROM                  10
  29
  30 #ifdef CONFIG_MMU
  31 extern void iotable_init(struct map_desc *, int);
  32 #else
  33 #define iotable_init(map,num)   do { } while (0)
  34 #endif