include/libcpu/mmu.h

0001 /*
0002  *  ARM MMU header file
0003  */
0004
0005 /*
0006  *  Copyright (c) 2004 by Cogent Computer Systems
0007  *  Written by Jay Monkman <jtm@lopingdog.com>
0008  */
0009
0010 #ifndef __LIBCPU_MMU_H__
0011 #define __LIBCPU_MMU_H__
0012
0013 #include <stdint.h>
0014
0015 #define MMU_SECT_SIZE         0x100000
0016
0017 #define MMU_CACHE_NONE        0x0
0018 #define MMU_CACHE_BUFFERED    0x1
0019 #define MMU_CACHE_WTHROUGH    0x2
0020 #define MMU_CACHE_WBACK       0x3
0021
0022 typedef struct {
0023     uint32_t paddr;
0024     uint32_t vaddr;
0025     uint32_t size;         /* in MB */
0026     uint8_t  cache_flags;
0027 } mmu_sect_map_t;
0028
0029 void mmu_init(mmu_sect_map_t *map);
0030 void mmu_set_cpu_async_mode(void);
0031
0032 #endif /* __MMU_H__ */