flash.h

一个mp3的解码程序

#ifndef __FLASH_H
#define __FLASH_H

#define ROM_BASE				0x00000000
#define DRAM_BASE             	0x0c000000
#define SRAM_BASE             	0x00000000

#define DEVICE_TYPE_X8	(8 / 8)
#define DEVICE_TYPE_X16	(16 / 8)
#define DEVICE_TYPE_X32	(32 / 8)

 
/* Manufacturers */
/* SST */
#define MANUFACTURER_SST                0x00BF
#define SST39VF040                      0x00D7
#define SST39VF080                      0x00D8
#define SST39VF016                      0x00D9
#define SST39VF160                      0x2782
  
#define D6_MASK	                        0x40
#define D7_MASK	                        0x80
#define NOCACHE_BIT                     0x00000000
#define SECTOR_SIZE						0x1000
#define SECTOR_ADR_MASK					(~(SECTOR_SIZE-1))


void send_cmd(unsigned long addr,unsigned char cmd);
void send_unlock();
int probe_chip();
int flash_is_busy(unsigned long addr);
int flash_erase();
int flash_read(unsigned long from,unsigned long len,unsigned short *buf);
int write_one_word(unsigned long addr, unsigned short dat);
int flash_write(unsigned long to,unsigned long len,unsigned short *buf);
int flash_init();



#endif /* __FLASH_H */