?? memtest.c
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/*
* FILE : Sram.c
* Description: 2420 user defined test program.
* History:
* Nov/xx/2002 for 2420. S.J.Lee
*/
#include "system.h"
#define SRAM_SADDR _NONCACHE_STARTADDRESS
#define SRAM_EADDR (SRAM_SADDR+ (128*1024)) // Total : 256KB, 0x3100_0000-0x3101_FFFF
// for USB mon code - modified by cha
void MemoryTest(void)
{
volatile unsigned int *pt;
volatile unsigned int data;
int memError=0;
//
// memory test
//
pt=(unsigned int *)(_NONCACHE_STARTADDRESS);
printf("Memory Test(0x%08x-0x%08x): WR\n",pt,0x33ff0000);//??
printf("Now memory checking :%16d",0);
while((unsigned int)pt<0x33ff0000) // modified by cha
{
*pt=0x00000000; data=*pt;
if (data != 0x00000000) printf("\nFAIL:0x%08x=0x%08x (0x00000000 expected).\n",pt,data);
*pt=0xffffffff; data=*pt;
if (data != 0xffffffff) printf("\nFAIL:0x%08x=0x%08x (0xffffffff expected).\n",pt,data);
*pt=0x55555555; data=*pt;
if (data != 0x55555555) printf("\nFAIL:0x%08x=0x%08x (0x55555555 expected).\n",pt,data);
*pt=0xaaaaaaaa; data=*pt;
if (data != 0xaaaaaaaa) printf("\nFAIL:0x%08x=0x%08x (0xaaaaaaaa expected).\n",pt,data);
*pt=(unsigned int)pt;
if(((unsigned int)pt&0x0000ffff)==0)printf("\b\b\b\b\b\b\b\b%8x",pt);
pt++;
}
printf("\b\b\b\b\b\b\b\b%8x",0x33ff0000);
pt=(unsigned int *)(_NONCACHE_STARTADDRESS);
printf("\rMemory Test(0x%08x-0x%08x): RD",pt,0x33ff0000);
while((unsigned int)pt<0x32000000)//?
{
data=*pt;
if(data!=(unsigned int)pt)
{
memError=1;
printf("\b\bFAIL:0x%x=0x%x\n",pt,data);
break;
}
pt++;
}
if(memError==0)printf("\nO.K.\n");
}
void ClearMemory(void)
{
int i;
U32 data;
int memError=0;
U32 *pt;
//
// memory clear
//
printf("Clear Memory (%xh-%xh):WR",_RAM_STARTADDRESS,HEAPEND);
pt=(U32 *)_RAM_STARTADDRESS;
while((U32)pt < HEAPEND)
{
*pt=0x0;
pt++;
}
if(memError==0)printf("\b\bO.K.\n");
}
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