flash_test.c

davinci平台用于启动板子的一段启动程序

/*
 *  Copyright 2005 by Spectrum Digital Incorporated.
 *  All rights reserved. Property of Spectrum Digital Incorporated.
 *
 *  Not for distribution.
 */

/*
 *  NOR Flash Test
 *
 */

#include "stdio.h"
#include "davincievm_flash.h"

#define UBOOT_BASE	0x2000000
#define UIMAGE_BASE	0x2050000

static Uint8 bootloader[0x6000000];
static Uint8 uImage[0x6000000];
static Uint32 ubootsize;
static Uint32 uImagesize;

/* ------------------------------------------------------------------------ *
 *                                                                          *
 *  norflash_test( )                                                        *
 *                                                                          *
 * ------------------------------------------------------------------------ */
Int16 norflash_test( )
{

    Int16 retcode = 0;
    Uint32 npages=64;
    Uint32 nbytes;
   	FILE *ubootfile;
	FILE *uImagefile;
	char ubootname[15];
 	char uImagename[15];
    /* Initialize Flash */
    DAVINCIEVM_FLASH_init();

    nbytes = npages * FLASH_PAGESIZE;
    printf( "     %d Pages\n", npages );
		printf( "     %d Mbytes\n", nbytes >> 20 );

printf("****************************************************************\n");
printf("****************************************************************\n");
printf("                  ERASE Flash  Operation                        \n");
printf("               SEED DaVinci EVM v1.0 2006.12.07                 \n");
printf("****************************************************************\n");
printf("****************************************************************\n");
    /* ---------------------------------------------------------------- *
     *  Erase                                                           *
     * ---------------------------------------------------------------- */
printf( "     Erasing Flash [%d-%d] pages\n", 0, npages );
    /* Erase all bytes of Flash */
if ( ( retcode = DAVINCIEVM_FLASH_erase( UBOOT_BASE, nbytes ) ) != 0 )
{
     printf( "     Error: Erasing code %d\n", retcode );
     return retcode | 0x8000;
}


printf("****************************************************************\n");
printf("           ERASE Flash  Operation    Successfully               \n");
printf("****************************************************************\n");
printf("\n");

printf("****************************************************************\n");
printf("****************************************************************\n");
printf("               Write U-boot to Flash  Operation                 \n");
printf("               SEED DaVinci EVM v1.0 2006.12.07                 \n");
printf("****************************************************************\n");
printf("****************************************************************\n");
printf("\n");
    /* ---------------------------------------------------------------- *
     *  Write                                                           *
     * ---------------------------------------------------------------- */
    
     printf("Enter uboot file name\n");
     scanf("%s",ubootname);	
     ubootfile=fopen(ubootname,"rb");
     if(ubootfile==NULL)
     	printf("Can not open uboot file!!!\n") ;
     	
     	fseek(ubootfile,0,SEEK_END);
     	ubootsize=ftell(ubootfile);
      printf("Uboot file size %d(0x%x)\n",ubootsize,ubootsize);
     	fseek(ubootfile,0,SEEK_SET);
     	printf("Reading U-boot data ..... waiting for a while\n");
     	fread(bootloader,ubootsize,1,ubootfile);
    	printf("Writing U-BOOT to Flash ....waiting for a while\n");
      retcode |= DAVINCIEVM_FLASH_write( (Uint32)bootloader, UBOOT_BASE, ubootsize );
    /* Check errors */
    	if ( retcode != 0 )
    	{
      	  printf( "     Error: Writing code %d\n", retcode );
        	return retcode | 0x8000;
    	}
    	fclose(ubootfile);
    	printf("****************************************************************\n");
    	printf("Congratulations on Writing U-boot into Flash successfully....\n");
    	printf("****************************************************************\n");
    	printf("\n");
    	retcode=0;
printf("****************************************************************\n");
printf("****************************************************************\n");
printf("               Write uImage to Flash  Operation                 \n");
printf("               SEED DaVinci EVM v1.0 2006.12.07                 \n");
printf("****************************************************************\n");
printf("****************************************************************\n");    
printf("\n");
     
     printf("Enter uImage file name\n");
     scanf("%s",uImagename);	
     uImagefile=fopen(uImagename,"rb");
     if(uImagefile==NULL)
     printf("Can not open uImage file!!!\n");
     fseek(uImagefile,0,SEEK_END);
     uImagesize=ftell(uImagefile);  
     printf("uImage file size %d\n",uImagesize);
     fseek(uImagefile,0,SEEK_SET);
  	 printf("Reading uImage data ..... waiting for a while\n");  
     fread(uImage,uImagesize,1,uImagefile);
    printf("Writing uImage to Flash ....waiting for a while\n"); 
        retcode |= DAVINCIEVM_FLASH_write( (Uint32)uImage, UIMAGE_BASE, uImagesize );
    /* Check errors */
    if ( retcode != 0 )
    {
        printf( "     Error: Writing code %d\n", retcode );
        return retcode | 0x8000;
    }
    fclose(uImagefile);
    printf("****************************************************************\n");
   	printf("Congratulations on Writing U-boot into Flash successfully....\n");
    printf("****************************************************************\n");
    printf("\n");
   
   printf("****************************************************************\n");
   printf("****************************************************************\n"); 
   printf("Congratulations on Writing U-boot and uImage into Flash successfully....\n");
   printf("****************************************************************\n");
   printf("****************************************************************\n");
   return 0;
}