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