sst39vf160.h

liunx下通过jtag烧写flash的源代码

#ifndef _SST39VF160_H
#define _SST39VF160_H

//basic sst39vf160 info
#define SST39_ROW_SIZE      4096          	// Must be 4096 bytes for 39VF160
#define SST39_BLOCK_SIZE    64*1024       	// block erase size --- 64k
#define SST_39VF160         0x2782        	// SST 39VF160 device ID
#define SST_ID              0x00BF        	// Manufacturer’s ID
#define FLASH_SIZE			2*1024*1024		//whole flash size

//flash operation addr
#define SST39_CMD_ADDRESS1    0x5555
#define SST39_CMD_ADDRESS2    0x2aaa

//defined for sector erase
#define SST39_AUTO_PG_ERASE1  0xaaaa
#define SST39_AUTO_PG_ERASE2  0x5555
#define SST39_AUTO_PG_ERASE3  0x8080
#define SST39_AUTO_PG_ERASE4  0xaaaa
#define SST39_AUTO_PG_ERASE5  0x5555
#define SST39_ERASE_SECTOR    0x3030
#define SST39_ERASE_BLOCK     0x5050
#define SST39_ERASE_CHIP      0x1010

//defined for word program
#define SST39_AUTO_PGRM1      0xaaaa
#define SST39_AUTO_PGRM2      0x5555
#define SST39_AUTO_PGRM3      0xa0a0

//defined for read id
#define SST39_READ_ID1        0xaaaa
#define SST39_READ_ID2        0x5555
#define SST39_READ_ID3        0x9090
#define SST39_EXIT_READ_ID    0xf0f0

//function declare
int sst_check_id( void );
unsigned short sst_read_word( unsigned int addr );
void sst_write_word( unsigned int addr, unsigned short data );
void sst_check_toggle_ready( unsigned int addr );
void sst_erase_chip( void );
void sst_erase_one_sector( unsigned int addr );
void sst_erase_one_block( unsigned int addr );

#endif  //#ifndef _SST39VF160_H