u-boot/board/mousse/flash.h
2002-08-17 09:36:01 +00:00

79 lines
2.3 KiB
C

#ifndef FLASH_LIB_H
#define FLASH_LIB_H
#include <common.h>
/* PIO operations max */
#define FLASH_PROGRAM_POLLS 100000
/* 10 Seconds default */
#define FLASH_ERASE_SECTOR_TIMEOUT (10*1000 /*SEC*/ )
/* Flash device info structure */
typedef struct flash_dev_s {
char name[24]; /* Bank Name */
int bank; /* Bank 0 or 1 */
unsigned int base; /* Base address */
int sectors; /* Sector count */
int lgSectorSize; /* Log2(usable bytes/sector) */
int vendorID; /* Expected vendor ID */
int deviceID; /* Expected device ID */
int found; /* Set if found by flashLibInit */
int swap; /* Set for bank 1 if byte swap req'd */
} flash_dev_t;
#define FLASH_MAX_POS(dev) \
((dev)->sectors << (dev)->lgSectorSize)
#define FLASH_SECTOR_POS(dev, sector) \
((sector) << (dev)->lgSectorSize)
/* AMD 29F040 */
#define FLASH0_BANK 0
#define FLASH0_VENDOR_ID 0x01
#define FLASH0_DEVICE_ID 0x49
/* AMD29LV160DB */
#define FLASH1_BANK 1
#define FLASH1_VENDOR_ID 0x0001
#define FLASH1_DEVICE_ID 0x2249
extern flash_dev_t flashDev[];
extern int flashDevCount;
/*
* Device pointers
*
* These must be kept in sync with the table in flashLib.c.
*/
#define FLASH_DEV_BANK0_SA0 (&flashDev[0])
#define FLASH_DEV_BANK0_SA1 (&flashDev[1])
#define FLASH_DEV_BANK0_SA2 (&flashDev[2])
#define FLASH_DEV_BANK0_LOW (&flashDev[3]) /* 960K */
#define FLASH_DEV_BANK0_BOOT (&flashDev[4]) /* PLCC */
#define FLASH_DEV_BANK0_HIGH (&flashDev[5]) /* 512K PLCC shadow */
unsigned long flash_init(void);
int flashEraseSector(flash_dev_t *dev, int sector);
int flashErase(flash_dev_t *dev);
int flashRead(flash_dev_t *dev, int pos, char *buf, int len);
int flashWrite(flash_dev_t *dev, int pos, char *buf, int len);
int flashWritable(flash_dev_t *dev, int pos, int len);
int flashDiag(flash_dev_t *dev);
int flashDiagAll(void);
ulong flash_get_size (vu_long *addr, flash_info_t *info);
void flash_print_info (flash_info_t *info);
int flash_erase (flash_info_t *info, int s_first, int s_last);
int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt);
/*
* Flash info indices.
*/
#define FLASH_BANK_KERNEL 0
#define FLASH_BANK_BOOT 1
#define FLASH_BANK_AUX 2
#define FIRST_SECTOR 0
#endif /* !FLASH_LIB_H */