/********************************************************************************\
\* DEC6713_FLASH.c V2.00 *\
\* Copyright 2004 by SEED Electronic Technology LTD. *\
\* All rights reserved. SEED Electronic Technology LTD. *\
\* Restricted rights to use, duplicate or disclose this code are *\
\* granted through contract. *\
\* Designed by: Hongshuai.Li
\* Discription: Erase, write and read the whole chip.
\* Date: Modified 05.10.2005 *\
\********************************************************************************/
#include <stdio.h>
#include <csl.h>
#include <csl_irq.h>
#include <csl_chip.h>
#include <csl_emif.h>
#include <csl_irq.h>
#include "DEC6713_FLASH.h"
#include <math.h>
/********************************************************************************/
Uint32 i;
Uint16 TempData;
Uint32 Src_StartAdd;
Uint32 Dst_StartAdd;
extern far void vectors();
/********************************************************************************/
/********************************************************************************/
void main()
{
Src_StartAdd = 0x90000000;
/* Initialize CSL, must when using. */
CSL_init();
/* Initialize DEC6713 board. */
DEC6713_init();
/* Configure interrupt. */
IRQ_setVecs(vectors);
IRQ_nmiEnable();
IRQ_globalEnable();
/* Erase flash memory. */
Flash_Erase(0x90000000,0x10);
printf("\nErase flash ok.");
/* Write flash memory. */
for(i=0;i<0x40000;i++)
{
Flash_Writes(Src_StartAdd+2*i,fmod(i,0x10000));
}
printf("\nWrite flash ok.");
/* Read flash memory. */
for(i=0;i<0x40000;i++)
{
TempData = Flash_Reads(Src_StartAdd+2*i);
if(TempData != fmod(i,0x10000))
{
printf("\n Testing is Failure!");
printf("\nAddress 0x%x is error!",i);
exit(0);
}
}
printf("\nOpereation is success.");
}
/********************************************************************************\
\* Flash function difine. *\
\********************************************************************************/
/********************************************************************************\
\* Flash erase function. *\
\********************************************************************************/
Uint32 Flash_Erase(Uint32 addr,Uint16 type)
{
Uint32 i,j;
*FLASH_5555 = FLASH_UL1; //first
*FLASH_2AAA = FLASH_UL2; //second
*FLASH_5555 = FLASH_UL3; //third
*FLASH_5555 = FLASH_UL4;
*FLASH_2AAA = FLASH_UL5;
switch(type)
{
case 0x50: //block erase
*(Uint16 *)addr = type;
while((*(Uint16 *)addr & 0x80) != 0x80);
for(i = 0; i < BLOCK_SIZE; i++)
{
if(*(Uint16 *)(addr + i) != 0xffff)
{
j = 0;
break;
}
}
j = 1;
break;
case 0x30: //sector erase
*(Uint16 *)addr = type;
while((*(Uint16 *)addr & 0x80) != 0x80);
for(i = 0; i < SECTOR_SIZE; i++)
{
if(*(Uint16 *)(addr + i) != 0xffff)
{
j = 0;
break;
}
}
j = 1;
break;
case 0x10: //chip erase
// for(;;)
// {
*FLASH_5555 = type;
// }
while((*FLASH_5555 & 0x80) != 0x80);
for(i = 0; i < CHIP_SIZE; i++)
{
if(*(Uint16 *)(addr + i) != 0xffff)
{
j = 0;
break;
}
}
j = 1;
break;
default:
break;
}
return (j);
}
/********************************************************************************\
\* Write a single data. *\
\********************************************************************************/
void Flash_Writes(Uint32 addr,Uint16 data)
{
//Uint16 TempData=0;
*FLASH_5555 = FLASH_UL1;
*FLASH_2AAA = FLASH_UL2;
*FLASH_5555 = FLASH_PROGRAM;
//for(;;)
//{
*(Uint16 *)addr = data;
//TempData = *(Uint16 *)(addr);
//}
//TempData = *(Uint16 *)(addr);
while(*(Uint16 *)addr != data);
}
/********************************************************************************\
\* Write the certain length data. *\
\********************************************************************************/
void Flash_Writem(Uint32 addr,Uint16 *ptr,Uint32 length)
{
Uint32 i;
for(i = 0; i < length; i++)
{
// for(;;)
// {
Flash_Writes(addr+2*i,*(ptr+i));
// }
}
}
/********************************************************************************\
\* Read a single data. *\
\********************************************************************************/
Uint32 Flash_Reads(Uint32 addr)
{
return (*(Uint16 *)addr);
}
/********************************************************************************\
\* Read the certain length data. *\
\********************************************************************************/
void Flash_Readm(Uint32 addr,Uint16 *ptr,Uint32 length)
{
Uint32 i;
for(i = 0; i < length; i++)
{
*(ptr + i) = Flash_Reads(addr+2*i);
}
}
/********************************************************************************\
\* End of DEC6713_FLASH.C *\
\********************************************************************************/
