stone.c

来自「2410开发测试程序」· C语言 代码 · 共 100 行

/*****************************************
	NAME: stone.c
	DESC: NAND Internal RAM test (4KByte)
	HISTORY:
	2002.03.07: ver 0.0
	July 12, 2002 : Shin, On Pil
 *****************************************/

#include "def.h"
#include "option.h"
#include "2410addr.h"
#include "2410lib.h"
#include "stone.h"

void Test_ISram(void)
{
	U32 i, j, error=0;
	U32 *pStepSram=(void *)0x40000000;

	Uart_Printf("[Internal Stepping Stone test (4Kbyte)]\n");
	Uart_Printf("\nTest Pattern : 0x0 , 0x55555555 , 0xaaaaaaaa , 0xffffffff\n\n");	
	memset(pStepSram,0,0x1000>>2);
	
	Uart_Printf("Waitting 1 Sec \n");
	Delay(10000);
	Uart_Printf("Read Start\n");

	for(i=0;i<0x1000/4;i++)
	{
		j=*(pStepSram+i);
		if(j!=0x0)
		{
			Uart_Printf("Error --> Address= 0x%8x	, Write= 0x0000000	, Read= 0x%8x\n",(pStepSram+i),j);
			error++;
		}
//		Uart_Printf("0");
	}
	
//---------------------------------------------------------------------------------------------	
	for(i=0;i<0x1000/4;i++)
	*(pStepSram+i)=0x55555555;

	Uart_Printf("\nWaitting 1 Sec \n");
	Delay(10000);
	Uart_Printf("Read Start\n");

	for(i=0;i<0x1000/4;i++)
	{
		j=*(pStepSram+i);
		if(j!=0x55555555)
		{
			Uart_Printf("Error --> Address= 0x%8x	, Write= 0x55555555	, Read= 0x%8x\n",(pStepSram+i),j);
			error++;
		}
//		Uart_Printf("5");		
	}
	
//---------------------------------------------------------------------------------------------
	for(i=0;i<0x1000/4;i++)
	*(pStepSram+i)=0xaaaaaaaa;

	Uart_Printf("\nWaitting 1 Sec \n");
	Delay(10000);
	Uart_Printf("Read Start\n");

	for(i=0;i<0x1000/4;i++)
	{
		j=*(pStepSram+i);
		if(j!=0xaaaaaaaa)
		{
			Uart_Printf("Error --> Address= 0x%8x	, Write= 0xAAAAAAAA	, Read= 0x%8x\n",(pStepSram+i),j);
			error++;
		}
//		Uart_Printf("a");		
	}

//---------------------------------------------------------------------------------------------
	for(i=0;i<0x1000/4;i++)
	*(pStepSram+i)=0xffffffff;

	Uart_Printf("\nWaitting 1 Sec \n");
	Delay(10000);
	Uart_Printf("Read Start\n");

	for(i=0;i<0x1000/4;i++)
	{
		j=*(pStepSram+i);
		if(j!=0xffffffff)
		{
			Uart_Printf("Error --> Address= 0x%8x	, Write= 0xFFFFFFFF	, Read= 0x%8x\n",(pStepSram+i),j);
			error++;
		}
//		Uart_Printf("f");
	}

	if(error)
		Uart_Printf("\nFailed Total Count : %3d\n",error);	
	else
		Uart_Printf("\nInternal Stepping Stone is OK.\n");
}