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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
35