m29w160b.h

来自「IAR中S3C44B0X 示例程序」· C头文件 代码 · 共 62 行

#ifndef __m29w160b_h
#define __m29w160b_h

#include "dm.h"

/* flash commands data */
#define FIRST_DATA			    0xAA
#define SECOND_DATA			    0x55
#define PROGRAM_COMMAND		    0xA0
#define ERASE_SETUP             0x80
#define CHIP_ERASE              0x10
#define BLOCK_ERASE             0x30
#define UNLOCK_BYPASS           0x20
#define UNLOCK_BYPASS_PROGRAM   0xA0
#define UNLOCK_BYPASS_RESET1    0x90
#define UNLOCK_BYPASS_RESET2    0x00
#define PROTECT_SETUP           0x60
#define PROTECT_CMD             0x60
#define PROTECT_VERIFY          0x40
#define UNPROTECT_SETUP         0x60
#define UNPROTECT_CMD           0x60
#define UNPROTECT_VERIFY        0x40
#define READ_RESET              0xF0

/* flash protection status */
#define BLK_PROTECTED           0x0001
#define BLK_UNPROTECTED         0x0000
/* flash protection offset */
#define PROTECT_OFFSET          0x02
#define UNPROTECT_OFFSET        0x42

/* flash commands address */
#define FIRST_ADDR			    0x555
#define SECOND_ADDR			    0x2AA
#define THIRD_ADDR			    0x555
#define FOURTH_ADDR			    0x555
#define FIFTH_ADDR			    0x2AA
#define SIXTH_ADDR			    0x555

/* status data bit 7, 6, 5 */
#define DATA_POLLING_BIT	    0x80
#define TOGGLE_BIT			    0x40
#define ERROR_BIT               0x20
#define ERASE_TIMER_BIT         0x08

/* base address of boot flash */
#define BFLASH_BASE         ((volatile unsigned short *)0x00000000)
/* size of boot flash (by 16-bit) */
#define BFLASH_SIZE         (0x100000)
/* number of blocks in boot flash */
#define BFLASH_BLKNUM       (35)

/* function prototypes */
int BfBlockProtect (unsigned int);
int BfChipProtect (void);
int BfChipUnprotect (void);
int BfDataToggle (void);
int BfBlockErase (unsigned int);
int BfProgram (unsigned int, unsigned int, unsigned short *);

#endif