| 12345678910111213141516171819202122232425262728293031323334353637383940414243 |
- /*
- * arch/arm/include/asm/map.h
- *
- * Copyright (C) 1999-2000 Russell King
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * Page table mapping constructs and function prototypes
- */
- #include <asm/io.h>
- struct map_desc {
- unsigned long virtual;
- unsigned long pfn;
- unsigned long length;
- unsigned int type;
- };
- /* types 0-3 are defined in asm/io.h */
- #define MT_UNCACHED 4
- #define MT_CACHECLEAN 5
- #define MT_MINICLEAN 6
- #define MT_LOW_VECTORS 7
- #define MT_HIGH_VECTORS 8
- #define MT_MEMORY 9
- #define MT_ROM 10
- #define MT_MEMORY_NONCACHED 11
- #ifdef CONFIG_MMU
- extern void iotable_init(struct map_desc *, int);
- struct mem_type;
- extern const struct mem_type *get_mem_type(unsigned int type);
- /*
- * external interface to remap single page with appropriate type
- */
- extern int ioremap_page(unsigned long virt, unsigned long phys,
- const struct mem_type *mtype);
- #else
- #define iotable_init(map,num) do { } while (0)
- #endif
|
