hy29lv160.c

ARM的Flash烧写程序代码

//------------------------------------------------------------------------------
// 拳老疙   : hy29lv160.c
// 橇肺璃飘 : jflash-s3c44b0x
// 汲  疙   : jflash-s3c44b0x 狼 HY29LV160 Flash 贸府 风凭捞促. 
// 
// 盔历磊   : 蜡康芒 (林)力捞村叼矩萍 [e-mail]
// 累己老   : 2003斥 5岿 17老
// 荐沥		: 辣傣硅 (林)硅崔沥焊烹脚 [e-mail]
// 荐沥老	: 2003 斥 9岿 7老
// 盔历累鼻 : (林)力捞村叼矩萍 
//            捞 橇肺弊伐 筋胶狼 俺累 棺 犁 硅器甫 倾侩 钦聪促.
//            俺累等 橇肺弊伐狼 惑诀利 捞侩档 倾侩 钦聪促. 
//            俺累等 橇肺弊伐狼 傍俺绰 鞘夸窍促搁 窍瘤 臼酒档 邓聪促. 
// 犁历累鼻 : GPL俊 蝶抚聪促.
// 林  狼 	: Flash 包访 窃荐狼 address 绰 16bit word 窜困捞促. 
//			  byte 窜困肺 积阿窍瘤 臼档废 林狼官恩.
//------------------------------------------------------------------------------
//******************************************************************************
//
// 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);
}

//------------------------------------------------------------------------------
// 汲疙 : 柳青惑怕甫 钎矫 茄促. 
// 概拌 : title : 惑怕 钎矫
//        cur   : 泅犁 柳青档 
//        max   : 弥措蔼
// 馆券 : 
// 林狼 : 绝澜 
//------------------------------------------------------------------------------
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));
	}
}
	
//-----------------------------------------------------------------------------
// 汲 疙 : RESET 矫虐绰 疙飞
//------------------------------------------------------------------------------
void HY29LV160_Cmd_Reset(void)
{   	
	Flash_Write_Halfword(0x0, 0xF0);
}   
    
//------------------------------------------------------------------------------
// 汲 疙 : ID 甫 佬绰 疙飞
//-----------------------------------------------------------------------------
void HY29LV160_Cmd_ReadID(void)
{   
    Flash_Write_Halfword(0x555, 0xAA);
    Flash_Write_Halfword(0x2AA, 0x55);
    Flash_Write_Halfword(0x555, 0x90);
}   
    
//------------------------------------------------------------------------------
//  汲 疙 : 单捞鸥甫 结 持绰促.
//-----------------------------------------------------------------------------
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);
}   
    
//------------------------------------------------------------------------------
//冀磐甫 瘤款促.
//-----------------------------------------------------------------------------

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);
}

//------------------------------------------------------------------------
// 汲 疙 : 疙飞 荐青 惑怕狼 搬苞甫 掘绰促. 
// 概 拌 : 绝澜
// 馆 券 : 绝澜
// 林 狼 : 
//------------------------------------------------------------------------
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