erase6455flash.c

TI 最新的1.2G DSP TMS320C6455的bootloader的烧写程序

//------------------------------------------------
/*
Description：
name		:Erase6455flash
function	:as its name.when the program starts, there will 
             be 2 leds on;when the program ends,all 4 leds off.
author		:WeiZhiheng
company		:Institute of Acoustic,CAS.Beijing,China
Date		:2008-04-09 shanghai
Version		:WR0.1
*/
//------------------------------------------------
#include <stdio.h>
#include "M05D11_17-15-50.h"
#include "weihengdefine.h"
#define FlashMap1BaseAddr 0xb0000000
#define Uint32 unsigned int

void C6455_wait(Uint32 delay)
{
    volatile Uint32 i, n;

    n = 0;
    for (i = 0; i < delay; i++)
    {
        n = n + 1;
    }
}


void C6455_waitusec(Uint32 delay)
{
    C6455_wait(delay * 100);
}


#define waittime 1000
//volatile char * dataadd=(volatile char *)0x0900000;
volatile char heng;
void main (void)
{   //int numr;
    int iiflash;   
	//unlock-----------
    *((volatile Uint32 *)0x02AC0004)=0x0f0a0b00;
	*((volatile Uint32 *)0x02AC0004)=0x0f0a0b00;
	//------------------
	//*((volatile Uint32 *)0x02AC0008)=0x00000440;
    //*((volatile Uint32 *)0x02AC0008)=0x00000440;
	//--打开EMIF--------
    *((volatile Uint32 *)0x02AC002C)=1;
	*((volatile Uint32 *)0x02AC002C)=1; 

//--配置时钟为 720M,EMIFCLK=120M
    //pllbypass();
    *((volatile unsigned int *)0x29a0110)=0x00000003;//160M
    *((volatile unsigned int *)0x29a0114)=0x00008000;
    *((volatile unsigned int *)0x29a0160)=0x00008007;//eclk=10M
    *((volatile unsigned int *)0x29a0164)=0x00008007;
    *((volatile unsigned int *)0x29a0100)=0x00000040;
    *((volatile unsigned int *)0x29a0138)=0x00000001;  

	*((volatile unsigned int *)0x70000080)=0x0ffffffe;
    *((volatile unsigned int *)0x70000084)=0x0ffffffc;


    ledoff_4;
	ledon_3;
	ledoff_2;
	ledon_1;   
     
  EraseChip(); 
    ledoff_4;
	ledoff_3;
	ledoff_2;
	ledoff_1;

 ledon_2;
  for(iiflash=0;iiflash<31*32;iiflash++)
             {
			  //codedataw[iiflash]=0;
			  //C6455_wait(100);
			  WriteByte(iiflash,CodeToWrite[iiflash]);
              heng=ReadByte(iiflash);
			  if(CodeToWrite[iiflash]!=heng)
			   printf("Error %d\n",iiflash);
			 }
       
          ledon_4;


}