catch.c

44B0+8019系统

#include "..\inc\44b.h"

#include "catch.h"

void Cache_Init()
{
    // EN stall , 8k cache , DS write buffer , EN read stall , EN data abort
    rSYSCFG = 0x17;  

    //禁止 0x02000000 ~ 0x0BFFFFFF 进入cache
    rNCACHBE0 = ( 0x02000000 >> 12 ) | ( (0x0C000000 >> 12 ) << 16 );

}

void Cache_SetWriteBuf(unsigned char OnOff)
{
    if( OnOff == WBON )  rSYSCFG = rSYSCFG | 0x08;
    if( OnOff == WBOFF )  rSYSCFG = rSYSCFG & (~0x08);
}