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

#define TOGGLE_MASK1	0x40
#define TOGGLE_MASK2	0x20
#define FIRST_CMD		0xaa
#define SECOND_CMD		0x55
#define POLL_MASK1		0x80
#define POLL_MASK2		0x20
#define PROGRAM_CMD		0xA0
#define ERASE_CMD		0x80
#define ERASE_ALL_CMD	0x10
#define ERASE_SEC_CMD	0x30
#define ID_CMD			0x90
#define RESET_CMD		0xf0

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


#define BASE_ADDRESS	0x8000000UL // Flash Start address  
                        

#define BUFFER_SIZE		0x2000
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;


#define __NOP  __nop
// flash.c
extern void Program(void);
extern void EraseAll(void);
extern void EraseSector(void);
extern void ReadChipID(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);
extern int Wait(ulong tAddr);
extern void dummy(void);