hy29lv160.c

ADS模拟JTAG口烧写FLASH的工具

//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
//******************************************************************************
//
// 庆歹 沥狼
//
//******************************************************************************
#include <sys/types.h>
#include <sys/stat.h>
#include <stdio.h>
#include <stdlib.h>
#include <asm/io.h>
#include <unistd.h>
#include <string.h>
#include <memory.h>

#include "jtag.h"
#include "arm7tdmi.h"
#include "hy29lv160.h"

int progress_pos = 0;

unsigned int *HY29LV160_SA;	

unsigned int HY29LV160T_SA[] =
{
	0x00000,
    0x08000,
    0x10000,
    0x18000,
    0x20000,
    0x28000,
    0x30000,
    0x38000,
    0x40000,
    0x48000,
    0x50000,
    0x58000,
    0x60000,
    0x68000,
    0x70000,
    0x78000,
    0x80000,
    0x88000,
    0x90000,
    0x98000,
    0xA0000,
    0xA8000,
    0xB0000,
    0xB8000,
    0xC0000,
    0xC8000,
    0xD0000,
    0xD8000,
    0xE0000,
    0xE8000,
    0xF0000,
    0xF8000,
    0xFC000,
    0xFD000,
    0xFE000,
    0x100000
};

unsigned int HY29LV160B_SA[] =
{
	0x00000,
    0x02000,
    0x03000,
    0x04000,
    0x08000,
    0x10000,
    0x18000,
    0x20000,
    0x28000,
    0x30000,
    0x38000,
    0x40000,
    0x48000,
    0x50000,
    0x58000,
    0x60000,
    0x68000,
    0x70000,
    0x78000,
    0x80000,
    0x88000,
    0x90000,
    0x98000,
    0xA0000,
    0xA8000,
    0xB0000,
    0xB8000,
    0xC0000,
    0xC8000,
    0xD0000,
    0xD8000,
    0xE0000,
    0xE8000,
    0xF0000,
    0xF8000,
    0x100000
};

void Flash_Write_Halfword(unsigned int vaddress, unsigned int vdata)
{
	JTAG_Write_Memory(vaddress<<1, vdata, HALFWORD);
}

unsigned int Flash_Read_Halfword(unsigned int vaddress)
{
	unsigned int vdata;
	
	JTAG_Read_Memory(vaddress<<1, &vdata, HALFWORD);
	
	return(vdata);
}

unsigned int Flash_Read_Word(unsigned int vaddress)
{
	unsigned int vdata;
	
	JTAG_Read_Memory(vaddress<<1, &vdata, WORD);
	
	return(vdata);
}

//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
void HY29LV160_UpdateProgress(char *title, unsigned int cur, unsigned int max)
{
	int dpywidth = 40;
	char bar[] =
		"==============================================================="
		"===============================================================";
	char spaces[] =
		"                                                               "
		"                                                               ";
	char spinner[] = "\\|/-";
	unsigned int i, percent;

	progress_pos = (progress_pos+1) & 3;
	percent = (cur * 100) / max;
	i = ((percent * dpywidth) + 50) / 100;
	printf("%s: |%s%s", title,
		bar + (sizeof(bar) - (i+1)),
		spaces + (sizeof(spaces) - (dpywidth - i + 1)));
	if(percent == 100)
	{
		printf("|");
	}
	else
	{
		printf("%c", spinner[progress_pos & 3] );
	}
	printf(" %4d%%   \r", percent);
	if(percent == 100)	/* clear prog bar */
	{
		printf("%s\r", spaces + (sizeof(spaces) - 80));
	}
}
	
//-----------------------------------------------------------------------------
//------------------------------------------------------------------------------
void HY29LV160_Cmd_Reset(void)
{   	
	Flash_Write_Halfword(0x0, 0xF0);
}   
    
//------------------------------------------------------------------------------
//-----------------------------------------------------------------------------
void HY29LV160_Cmd_ReadID(void)
{   
    Flash_Write_Halfword(0x555, 0xAA);
    Flash_Write_Halfword(0x2AA, 0x55);
    Flash_Write_Halfword(0x555, 0x90);
}   
    
//------------------------------------------------------------------------------
void HY29LV160_Cmd_Write(unsigned int vaddress, unsigned int vdata)
{   
    Flash_Write_Halfword(0x555, 0xAA);
    Flash_Write_Halfword(0x2AA, 0x55);
    Flash_Write_Halfword(0x555, 0xA0);
    Flash_Write_Halfword(vaddress, vdata);
}   
    
//------------------------------------------------------------------------------
//-----------------------------------------------------------------------------

void HY29LV160_Cmd_Erase_Sector(unsigned int vaddress)
{
    Flash_Write_Halfword(0x555, 0xAA);
    Flash_Write_Halfword(0x2AA, 0x55);
    Flash_Write_Halfword(0x555, 0x80);
    Flash_Write_Halfword(0x555, 0xAA);
    Flash_Write_Halfword(0x2AA, 0x55);
    Flash_Write_Halfword(vaddress, 0x30);
}

//------------------------------------------------------------------------
//------------------------------------------------------------------------
unsigned int HY29LV160_GetStatus(unsigned int vaddress)
{
	unsigned int firststate, secondstate;
	
	while(1)
	{
	 	firststate = Flash_Read_Halfword(vaddress);							// 霉锅掳 单捞鸥甫 佬绰促. 
	 	secondstate = firststate ^ Flash_Read_Halfword(vaddress);			// 滴锅