arm920-mmu.c File Reference

ARM920 MMU functions. More...

#include <libcpu/mmu.h>
#include <libcpu/arm-cp15.h>
#include <bsp/linker-symbols.h>

Macros
#define	MMU_CTRL_MMU_EN   (1 << 0)
#define	MMU_CTRL_ALIGN_FAULT_EN   (1 << 1)
#define	MMU_CTRL_D_CACHE_EN   (1 << 2)
#define	MMU_CTRL_DEFAULT   (0xf << 3)
#define	MMU_CTRL_LITTLE_ENDIAN   (0 << 7)
#define	MMU_CTRL_BIG_ENDIAN   (1 << 7)
#define	MMU_CTRL_SYS_PROT   (1 << 8)
#define	MMU_CTRL_ROM_PROT   (1 << 9)
#define	MMU_CTRL_I_CACHE_EN   (1 << 12)
#define	MMU_CTRL_LOW_VECT   (0 << 13)
#define	MMU_CTRL_HIGH_VECT   (1 << 13)
#define	MMU_SET_LVL1_SECT(addr, ap, dom, ce, be)
#define	MMU_SET_LVL1_INVAL   (0x0)
#define	MMU_SECT_AP_ALL   (0x3 << 10)

Typedefs
typedef uint32_t	mmu_lvl1_t

Functions
	LINKER_SYMBOL (_ttbl_base)
void	mmu_init (mmu_sect_map_t *map)
void	mmu_set_cpu_async_mode (void)

Detailed Description

ARM920 MMU functions.

Macro Definition Documentation

MMU_SET_LVL1_SECT

#define MMU_SET_LVL1_SECT	(		addr,
			ap,
			dom,
			ce,
			be
	)

Value:

          (((addr) & 0xfff00000) |     \
           (ap)                  |     \
           (dom)                 |     \
           ((ce) << 3)           |     \
           ((be) << 2)           |     \
           0x12)