mmu.h

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/************************************************ 
  NAME    : MMU.H
  DESC    :
  Revision: 02.28.2002 ver 0.0
 ************************************************/

#include "2440slib.h"

#ifndef __MMU_H__
#define __MMU_H__
#ifdef __cplusplus
extern "C" {
#endif

#define DESC_SEC        (0x2|(1<<4))
#define CB              (3<<2)  //cache_on, write_back
#define CNB             (2<<2)  //cache_on, write_through 
#define NCB             (1<<2)  //cache_off,WR_BUF on
#define NCNB            (0<<2)  //cache_off,WR_BUF off
#define AP_RW           (3<<10) //supervisor=RW, user=RW
#define AP_RO           (2<<10) //supervisor=RW, user=RO

#define DOMAIN_FAULT    (0x0)
#define DOMAIN_CHK      (0x1) 
#define DOMAIN_NOTCHK   (0x3) 
#define DOMAIN0         (0x0<<5)
#define DOMAIN1         (0x1<<5)

#define DOMAIN0_ATTR    (DOMAIN_CHK<<0) 
#define DOMAIN1_ATTR    (DOMAIN_FAULT<<2) 

#define RW_CB           (AP_RW|DOMAIN0|CB|DESC_SEC)
#define RW_CNB          (AP_RW|DOMAIN0|CNB|DESC_SEC)
#define RW_NCNB         (AP_RW|DOMAIN0|NCNB|DESC_SEC)
#define RW_FAULT        (AP_RW|DOMAIN1|NCNB|DESC_SEC)

void MMU_Init(void);
void MMU_SetMTT(int vaddrStart,int vaddrEnd,int paddrStart,int attr);
void ChangeRomCacheStatus(int attr);

#ifdef __cplusplus
}
#endif

#endif /*__MMU_H__*/