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| author | wdenk <wdenk> | 2002-08-17 09:36:01 +0000 |
|---|---|---|
| committer | wdenk <wdenk> | 2002-08-17 09:36:01 +0000 |
| commit | affae2bff825c1a8d2cfeaf7b270188d251d39d2 (patch) | |
| tree | e025ca5a84cdcd70cff986e09f89e1aaa360499c /board/mousse | |
| parent | cf356ef708390102d493c53d18fd19a5963c6aa9 (diff) | |
| download | u-boot-imx-affae2bff825c1a8d2cfeaf7b270188d251d39d2.zip u-boot-imx-affae2bff825c1a8d2cfeaf7b270188d251d39d2.tar.gz u-boot-imx-affae2bff825c1a8d2cfeaf7b270188d251d39d2.tar.bz2 | |
Initial revision
Diffstat (limited to 'board/mousse')
| -rw-r--r-- | board/mousse/flash.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/board/mousse/flash.h b/board/mousse/flash.h new file mode 100644 index 0000000..b7e4619 --- /dev/null +++ b/board/mousse/flash.h @@ -0,0 +1,78 @@ +#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 */ |