flash.h

S3C44BO的nandflash的读写与文件系统

#include "44b.h"
#include "def.h"


#define Nand_RB	(0x01)
#define Nand_CE	(0x02)
#define Nand_CLE	(0x04)
#define Nand_ALE	(0x08)	
#define Nand_IO	   (*(volatile unsigned char *)0x02000000)	//bank1              

#define FC_CMD		{rPDATC |= Nand_CLE;	rPDATC &= ~(Nand_ALE|Nand_CE);}
#define FC_ADDR		{rPDATC |= Nand_ALE;	rPDATC&=~(Nand_CLE|Nand_CE);}
#define FC_DATA        {rPDATC &= ~(Nand_ALE|Nand_CLE|Nand_CE); }
#define FC_INACTIVE	{rPDATA |= Nand_CE;	rPDATC&=~(Nand_ALE|Nand_CLE);}       
#define WAITRB		while(!(rPDATC & Nand_RB))  //wait tWB and check R/B pin.   
#define KM29U128_ID    0xec73
#define K9F5608U0A_ID  0xec75
#define WRITEVERIFY  (1)  //Verifing is enable when writing flash

void Flash_Reset(void);//flash reset
unsigned int Check_Flash_Id(void);
unsigned char Erase_Cluster(unsigned int cluster);
void ReadPage(unsigned int block,unsigned int page,unsigned char *pPage);
int  WritePage(unsigned int block,unsigned int page,U8 *pPage);
void Flash_Tools(void);