#define BASE_ADDRESS 	0x0
#define BASE_ADDRESS2 	0x800000

#define		uchar	unsigned char
#define		uint	unsigned int
#define		ushort	unsigned short 
#define		ulong	unsigned long

#define READ_STATUS		(ushort)0x70
#define PROGRAM_CMD		(ushort)0x40
#define ERASE_CONFIRM	(ushort)0xD0
#define ERASE_ALL_CMD	(ushort)0x30
#define ERASE_SEC_CMD	(ushort)0x20
#define ID_CMD			(ushort)0x90
#define STATUS_CLEAR	(ushort)0x50
#define STATUS_WSMS		(ushort)0x80
#define STATUS_ERASE	(ushort)0x20
#define STATUS_PROG		(ushort)0x10
#define UNLOCK_SETUP	(ushort)0x60
#define UNLOCK_CONFIRM	(ushort)0xD0
#define PCRC_CMD		(ushort)0x04
#define RESET_CMD		(ulong)0xff

#define FPROGRAM	0
#define FERASEALL	1
#define FERASESEC	2
#define FREADID		3


#define BUFFER_SIZE		0x100000
typedef struct  {
	ulong Command;
	ulong Result;
	ulong Reserved1[4];
	ulong Reserved2;
	ulong TargetAddr;
	ulong Length;
	ulong Reserved3;
	ulong Reserved4;
	ulong Reserved5;
	ulong Reserved6;
	ulong Reserved7;
	ulong Reserved8;
	uchar Buf[BUFFER_SIZE];
} FLASH_INFO;

// flash.c
extern void Program(void);
extern void EraseAll(void);
extern void EraseSector(void);
extern void ReadChipID(void);
extern void ClearBlockLock(ulong targetAddr);
extern void ClearAllBlockLock(void);
extern int BlankCheck(ulong targetAddr,ulong targetSize);
extern int Verification(ulong targetAddr, ulong limit, ulong srcAddr);
extern int OneSectorErase(ulong targetAddr);
extern void Main(void);