main.c

INTEL nand flash的测试程序 包括读写block都已经写完 在3203的板子上已经测试通过

/*************************************************************************************
 *	Copyright (c) 2007 by PROCHIP Limited.
 *	PROPRIETARY RIGHTS of PROCHIP Limited are involved in the subject matter of this 
 *	material.  All manufacturing, reproduction, use, and sales rights 
 *	pertaining to this subject matter are governed by the license agreement.
 *	The recipient of this software implicitly accepts the terms of the license.
 *
 *	File Name:  main.c
 *
 *	File Description: 主函数, 实现具体功能.
 *
 *    Version         Date            Author           
 *------------------------------------------------------------------------------------    
 *    0.0.1           2008.1.9        Zhang Yang            
 *   		      	
 *************************************************************************************
 */
 
#include	<stdio.h>
#include	"ub4020evb.h"
#include	"intc.h"
#include    "emitest.h"

int main()
{
	int i =0;
	 
	U32 result=0x33000000;

	U32 judge =0x3310000; 

	U32 flag=0;

    for (i=0;i<25;i++);
    
    INT_INIT();
    
 /*********    ok now       ***********/
  
//select the clk rate 
/*
*(RP)PMU_PMDR = 0x01;    // slow-->normal (4M/48M , 2.5M/30M) 
for(i = 0; i < 10; i++);
===========================================================//	
#ifdef PMC_100M
*(RP)PMU_PMCR =0x8399 ;  // 4M/100M(200/2)      
for(i = 0; i < 10; i++);
#endif
===========================================================//
#ifdef PMC_80M
*(RP)PMU_PMCR =0x8394 ;  // 4M/80M(160/2)      
for(i = 0; i < 10; i++);
#endif

==========================================================//
#ifdef PMC_50M
*(RP)PMU_PMCR =0x8799 ;  // 4M/50M(200/4)      
for(i = 0; i < 10; i++);
#endif  
*/
  
  
  //在SRAM中开辟一个空间来存放本程序的运行结果
  for(i=0;i<20;i++)
  {
  	*(RP)(result+i*4)=0;
  }
  
  *(RP)judge = 0x00000000; 
  
  INI_EMI();
   
  //*********** all commands test of NAND *********
  //check value with the address of "result+0xc" for the result, 0 for well, 其他对应各个步骤的错误
    #ifdef BASIC_OPERATION_NAND
   
    flag = 0;
    if(NAND_WRITE(0x30000000,0x10)!=0)                  flag = 1   ;//write
    else if(NAND_READ_STATUS()!=0)                     flag = 2   ;//send the read status command to check the program status of NAND          
    else if(((*(RP)EMI_NAND_STA)&1)==1)          flag = 3   ;//read the nand status from the EMI register if it showes erase pass then               
    else if(NAND_READ(0x30180000,0x10)!=0)              flag = 4   ;//read
               //else if(COMPARE_MEM(0x34000000, 0x34180000,132)!=0)flag = 5   ;//compare,hareware ECC,no software ECC
    else if(NAND_ERASE(0x10)!=0)                        flag = 6   ;//erase
    else if(NAND_READ_STATUS()!=0)                     flag = 7   ;//send the read status command to check the erase status of NAND
    else if(((*(RP)EMI_NAND_STA)&1)==1)          flag = 8   ;//read the nand status from the EMI register if it showes erase pass then
    else if(NAND_WRITE(0x30000100,0x11)!=0)             flag = 9   ;//write
    else if(NAND_READ(0x32000000,0x11)!=0)              flag = 10  ;//read
               //else if(COMPARE_MEM(0x34000020, 0x36000000,132)!=0)flag = 11  ;//compare,hareware ECC,no software ECC
    else if(NAND_READ_ID()!=0)                         flag = 12  ;//read id
    
    *(RP)(result+0xc) = flag;
  //****************************

  if( *(RP)(result+0xc)!=0x0)
  {
    *(RP)judge=0xffffffff;
  }else
  {
    *(RP)judge=0x00000000;
  } 
 //*****************************
  #endif
  
 //************* ECC *****************************
 //观察value with the address of "result+0x14"，非0则表明正常第一页的ecc校验过程有错
 //由EMIADDR_NANDERRORADDR1和EMIADDR_NANDERRORADDR2的读取结果，结合选取使用force语句的时间，
 //判断用户手册的描述是否正确
 //观察value with the address of "result+0x18"，非0则表明正常第二页的ecc校验过程有错
 #ifdef ECC
    i=0;//for count the times of reading the EMIADDR_NANDFINECC
    NAND_WRITE(0x30000000,0x0);
    NAND_WRITE(0x30000000,0x1);
    flag=NAND_READ(0x30180000,0x0);
    if(flag!=0) *(RP)(result+0x14) = 1   ;//write and read
    else
    {
      while(((*(RP)EMI_NAND_ECC&=1)==0)&&(i<100)) i++;
      if(i>=100)*(RP)(result+0x14) = 2;
      else
      {
        flag=*(RP)EMI_ERR_ADDR1;
        flag=*(RP)EMI_ERR_ADDR2;
        if((*(RP)EMI_NAND_INTR&=1)==0) *(RP)(result+0x14) = 3;
        else
        {
          *(RP)EMI_NAND_INTR=0;
          if((*(RP)EMI_NAND_INTR&=1)!=0) *(RP)(result+0x14) = 4;
          else  *(RP)(result+0x14) = 4;
        }
      }
    }
    if((NAND_READ(0x30180000,0x1))!=0)*(RP)(result+0x18)=1;
    else
    {
      while(((*(RP)EMI_NAND_ECC&=1)==0)&&(i<100)) i++;
      if(i>=100)*(RP)(result+0x18)=2;
      else
      {
        flag=*(RP)EMI_ERR_ADDR1;
        flag=*(RP)EMI_ERR_ADDR2;
        if((*(RP)EMI_NAND_INTR&=1)==0) *(RP)(result+0x18)=3;
        else
        {
          *(RP)EMI_NAND_INTR=0;
          if((*(RP)EMI_NAND_INTR&=1)!=0)*(RP)(result+0x18)=4;
          else  *(RP)(result+0x18)=0;
        }
      }
    }
    
  //****************************
  
  if(*(RP)(result+0x14)==0x0)
  {
    *(RP)judge=0xffffffff;
  }else
  {
    *(RP)judge=0x00000000;
  } 
  
  if(*(RP)(result+0x18)==0x0)
  {
    *(RP)judge=0xffffffff;
  }else
  {
    *(RP)judge=0x00000000;
  } 

  //*****************************
  #endif

      
    while(1);
    return 0;
}