mmucache.h

S3C2443的USB 的驱动程序

/*****************************************
 NAME: MMU.H
 DESC: MMU Header
 HISTORY:
 2003.04.04 : ver 0.0
******************************************/

#ifndef __MMUCACHE_H__
#define __MMUCACHE_H__

#ifdef __cplusplus
extern "C" {
#endif

#define DESC_SEC	((1<<1)|(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 AP_NO		(1<<10) //supervisor=RW, user=No access

#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_NCB		(AP_RW|DOMAIN0|NCB|DESC_SEC)
#define RW_NCNB		(AP_RW|DOMAIN0|NCNB|DESC_SEC)
#define RW_FAULT	(AP_RW|DOMAIN1|NCNB|DESC_SEC)

//------------------------------
// in MMUCache_asm.s
//------------------------------
// CPSR I,F bit
int SET_IF(void);
void WR_IF(int cpsrValue);
void CLR_IF(void);
// MMU Cache/TLB/etc on/off functions
void MMU_EnableICache(void);
void MMU_DisableICache(void);
void MMU_EnableDCache(void);
void MMU_DisableDCache(void);
void MMU_EnableAlignFault(void);
void MMU_DisableAlignFault(void);
void MMU_EnableMMU(void);
void MMU_DisableMMU(void);
void MMU_SetFastBusMode(void);
void MMU_SetAsyncBusMode(void);
// Set TTBase
void MMU_SetTTBase(int base);
// Set Domain
void MMU_SetDomain(int domain);
// Read Fault Status & Address
int MMU_ReadDFSR(void);
int MMU_ReadIFSR(void);
int MMU_ReadFAR(void);
// ICache/DCache functions
void MMU_InvalidateIDCache(void);
void MMU_InvalidateICache(void);
void MMU_InvalidateICacheMVA(U32 mva);
void MMU_PrefetchICacheMVA(U32 mva);
void MMU_InvalidateDCache(void);
void MMU_InvalidateDCacheMVA(U32 mva);
void MMU_CleanDCacheMVA(U32 mva);
void MMU_CleanInvalidateDCacheMVA(U32 mva);
void MMU_CleanDCacheIndex(U32 index);
void MMU_CleanInvalidateDCacheIndex(U32 index);
void MMU_WaitForInterrupt(void);
// TLB functions
void MMU_InvalidateTLB(void);
void MMU_InvalidateITLB(void);
void MMU_InvalidateITLBMVA(U32 mva);
void MMU_InvalidateDTLB(void);
void MMU_InvalidateDTLBMVA(U32 mva);
// Cache lock down
void MMU_SetDCacheLockdownBase(U32 base);
void MMU_SetICacheLockdownBase(U32 base);
// TLB lock down
void MMU_SetDTLBLockdown(U32 baseVictim);
void MMU_SetITLBLockdown(U32 baseVictim);
// Process ID
void MMU_SetProcessId(U32 pid);

//------------------------------
// in MMUCache.c
//------------------------------
void MMU_Init(void);
void MMU_SetMTT(unsigned int vaddrStart,unsigned int vaddrEnd,unsigned int paddrStart,unsigned int attr);
void ChangeRomCacheStatus(int attr);

#ifdef __cplusplus
}
#endif

#endif /*__MMUCACHE_H__*/