norflash_main.c

pxa270 NOR FLASH驱动代码

/***************************************优龙科技责任有限公司*********************************************
**--------------文件信息--------------------------------------------------------------------------------
**文   件   名: NorFlash_Main.c
**创   建   人: hzh
**最后修改日期: 2005-11-28
**描        述: PXA270的主程序
**                
********************************************************************************************************/

#include <stdio.h>
#include <string.h>

#include "systypes.h"
#include "XsIntCtrlApi.h"
#include "utils.h"

#include "norflash.h"

#define	GPLR0	*(volatile UINT *)0x40E00000
#define	GPLR2	*(volatile UINT *)0x40E00008
#define	GPSR0	*(volatile UINT *)0x40E00018
#define	GPCR0	*(volatile UINT *)0x40E00024
#define	GAFR3_U	*(volatile UINT *)0x40E00070
#define	MDCNFG	*(volatile UINT *)0x48000000
#define	MDREFR	*(volatile UINT *)0x48000004
#define	MSC0	*(volatile UINT *)0x48000008
#define	MSC1	*(volatile UINT *)0x4800000C
#define	MSC2	*(volatile UINT *)0x48000010

typedef unsigned char  U8;
typedef unsigned short U16;
typedef unsigned int   U32;

UINT downloadAddress, downloadFileSize;

#define	ESC_KEY		0x1b
#define	ENTER_KEY	0x0d
#define	BACK_KEY	0x08

/*****************************************************************************
** 函数名称: PlatformMain
** 功能描述: PXA270平台主函数
** 输　入:   无
** 输　出 :  无
** 全局变量: 无
** 调用模块: 无
** 作　者: 
** 日　期: 
**----------------------------------------------------------------------------
*****************************************************************************/
void TestNorFlash(void);
void PlatformMain(void * memTop)
{
	int i, sel, ks1, ks2;
	
//	mdelay(100);
	int boot_flag=1;
	show_led(1, 1);	//D4 light
	show_led(2, 1);	//D5 light 
	
	SerialConsoleInit(115200);	//
	SerialConsleSel(0);			//0->FFUART, 1->BTUART
	
	//配置存储器控制寄存器，主要是为配置BANK的相关参数
	MSC0 = (MSC0&0xffff)|0x94690000;
	MSC1 = 0xB8C9B8DC;
	MSC2 = 0xFFF99134;	//lan91c111

	ChkNorFlash();		//检测NOR FLASH
	printf("Nor Flash Test\n");
	TestNorFlash();	
}

//DumpProcessorRegisters do nothing 

VOID DumpProcessorRegisters(UINT exception, void *regsP)
{
}