| wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 1 | #ifndef FLASH_LIB_H |
| 2 | #define FLASH_LIB_H |
| 3 | |
| 4 | #include <common.h> |
| 5 | |
| 6 | /* PIO operations max */ |
| 7 | #define FLASH_PROGRAM_POLLS 100000 |
| 8 | |
| 9 | /* 10 Seconds default */ |
| 10 | #define FLASH_ERASE_SECTOR_TIMEOUT (10*1000 /*SEC*/ ) |
| 11 | |
| 12 | /* Flash device info structure */ |
| 13 | typedef struct flash_dev_s { |
| 14 | char name[24]; /* Bank Name */ |
| 15 | int bank; /* Bank 0 or 1 */ |
| 16 | unsigned int base; /* Base address */ |
| 17 | int sectors; /* Sector count */ |
| 18 | int lgSectorSize; /* Log2(usable bytes/sector) */ |
| 19 | int vendorID; /* Expected vendor ID */ |
| 20 | int deviceID; /* Expected device ID */ |
| 21 | int found; /* Set if found by flashLibInit */ |
| 22 | int swap; /* Set for bank 1 if byte swap req'd */ |
| 23 | } flash_dev_t; |
| 24 | |
| 25 | #define FLASH_MAX_POS(dev) \ |
| 26 | ((dev)->sectors << (dev)->lgSectorSize) |
| 27 | |
| 28 | #define FLASH_SECTOR_POS(dev, sector) \ |
| 29 | ((sector) << (dev)->lgSectorSize) |
| 30 | |
| 31 | /* AMD 29F040 */ |
| 32 | #define FLASH0_BANK 0 |
| 33 | #define FLASH0_VENDOR_ID 0x01 |
| 34 | #define FLASH0_DEVICE_ID 0x49 |
| 35 | |
| 36 | /* AMD29LV160DB */ |
| 37 | #define FLASH1_BANK 1 |
| 38 | #define FLASH1_VENDOR_ID 0x0001 |
| 39 | #define FLASH1_DEVICE_ID 0x2249 |
| 40 | |
| 41 | extern flash_dev_t flashDev[]; |
| 42 | extern int flashDevCount; |
| 43 | |
| 44 | /* |
| 45 | * Device pointers |
| 46 | * |
| 47 | * These must be kept in sync with the table in flashLib.c. |
| 48 | */ |
| 49 | #define FLASH_DEV_BANK0_SA0 (&flashDev[0]) |
| 50 | #define FLASH_DEV_BANK0_SA1 (&flashDev[1]) |
| 51 | #define FLASH_DEV_BANK0_SA2 (&flashDev[2]) |
| 52 | #define FLASH_DEV_BANK0_LOW (&flashDev[3]) /* 960K */ |
| 53 | #define FLASH_DEV_BANK0_BOOT (&flashDev[4]) /* PLCC */ |
| 54 | #define FLASH_DEV_BANK0_HIGH (&flashDev[5]) /* 512K PLCC shadow */ |
| 55 | |
| 56 | unsigned long flash_init(void); |
| 57 | int flashEraseSector(flash_dev_t *dev, int sector); |
| 58 | int flashErase(flash_dev_t *dev); |
| 59 | int flashRead(flash_dev_t *dev, int pos, char *buf, int len); |
| 60 | int flashWrite(flash_dev_t *dev, int pos, char *buf, int len); |
| 61 | int flashWritable(flash_dev_t *dev, int pos, int len); |
| 62 | int flashDiag(flash_dev_t *dev); |
| 63 | int flashDiagAll(void); |
| 64 | |
| 65 | ulong flash_get_size (vu_long *addr, flash_info_t *info); |
| 66 | void flash_print_info (flash_info_t *info); |
| 67 | int flash_erase (flash_info_t *info, int s_first, int s_last); |
| 68 | int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt); |
| 69 | |
| 70 | /* |
| 71 | * Flash info indices. |
| 72 | */ |
| 73 | #define FLASH_BANK_KERNEL 0 |
| 74 | #define FLASH_BANK_BOOT 1 |
| 75 | #define FLASH_BANK_AUX 2 |
| 76 | #define FIRST_SECTOR 0 |
| 77 | |
| 78 | #endif /* !FLASH_LIB_H */ |