cache_old.c

FIC8120方案的 StartCell_Driver

/***************************************************************************
;* Copyright  Faraday Technology Corp 2002-2003.  All rights reserved.      *
;*--------------------------------------------------------------------------*
;* Name:cache.c                                                             *
;* Description: CPU cache                                                   *
;* Author: W.D.Shih                                                         *
;****************************************************************************/

#include "fLib.h"
#include "fa510.h"
#include "arm922.h"
#include <stdio.h>

/* Enable all caching */
void fLib_EnableCache(void)
{
	switch(CPU_TYPE){
	case 0x5001:
	case 0x9401:
		CPUSetExtEnable(ENABLE);
		CPUSetBTBEnable(ENABLE);
			
		CPUSetICacheEnable(ENABLE);
		CPUSetDCacheEnable(ENABLE);
		CPUSetWriteBufEnable(ENABLE);
		CPUSetMMUEnable(ENABLE);	
		break;
	case 0x9220:
	case 0x5201:
	case 0x5261:
		uHALr_EnableCache();
		break;	
    default:
        printf("not support processor\n");
	}        
}

/* Disable all caching */
void fLib_DisableCache(void)
{
	switch(CPU_TYPE){
	case 0x5001:
	case 0x9401:	
		CPUSetExtEnable(ENABLE);
		CPUSetBTBEnable(DISABLE);
			
		CPUSetICacheEnable(DISABLE);
		CPUSetDCacheEnable(DISABLE);
		CPUSetWriteBufEnable(DISABLE);
		CPUSetMMUEnable(DISABLE);
		break;
	case 0x9220:
		uHALr_DisableCache();
		break;
	} 
}

/* Enable instruction cache */
void fLib_EnableICache(void)
{
	switch(CPU_TYPE){
	case 0x5001:
	case 0x9401:	
		CPUSetICacheEnable(ENABLE);
		break;
	case 0x9220:
		uHALir_EnableICache();
		break;
	} 		
}

/* Disable instruction cache */
void fLib_DisableICache(void)
{
	switch(CPU_TYPE){
	case 0x5001:
	case 0x9401:		
		CPUSetICacheEnable(DISABLE);
		break;
	case 0x9220:
		uHALir_DisableICache();
		break;
	}	
}

/* Enable data cache */
void fLib_EnableDCache(void)
{
	switch(CPU_TYPE){
	case 0x5001:
	case 0x9401:	
		CPUSetDCacheEnable(ENABLE);
		break;
	case 0x9220:
		uHALir_EnableDCache();
		break;
	}		
}

/* Disable data cache */
void fLib_DisableDCache(void)
{
	switch(CPU_TYPE){
	case 0x5001:	
	case 0x9401:
		CPUSetDCacheEnable(DISABLE);
		break;
	case 0x9220:
		uHALir_DisableDCache();
		break;
	}		
}

/* Enable write buffer */
void fLib_EnableWriteBuffer(void)
{	
	switch(CPU_TYPE){
	case 0x5001:
	case 0x9401:	
		CPUSetExtEnable(ENABLE);
		CPUSetWriteBufEnable(ENABLE);
		break;
	case 0x9220:
		uHALir_EnableWriteBuffer();
		break;
	}	
}

/* Disable write buffer */
void fLib_DisableWriteBuffer(void)
{
	switch(CPU_TYPE){
	case 0x5001:
	case 0x9401:	
		CPUSetExtEnable(ENABLE);
		CPUSetWriteBufEnable(DISABLE);
		break;
	case 0x9220:
		uHALir_DisableWriteBuffer();
		break;
	}		
}