diff options
Diffstat (limited to 'arch/arm/include/asm/mach/map.h')
| -rw-r--r-- | arch/arm/include/asm/mach/map.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/arch/arm/include/asm/mach/map.h b/arch/arm/include/asm/mach/map.h new file mode 100644 index 00000000..b36f3654 --- /dev/null +++ b/arch/arm/include/asm/mach/map.h @@ -0,0 +1,46 @@ +/* + * 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 +#define MT_MEMORY_DTCM 12 +#define MT_MEMORY_ITCM 13 +#define MT_MEMORY_SO 14 + +#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 |