diff options
Diffstat (limited to 'm29f400bt.c')
| -rw-r--r-- | m29f400bt.c | 51 |
1 files changed, 0 insertions, 51 deletions
diff --git a/m29f400bt.c b/m29f400bt.c index c2236e5..399a7e0 100644 --- a/m29f400bt.c +++ b/m29f400bt.c @@ -85,54 +85,3 @@ int probe_m29f400bt(struct flashctx *flash) return 0; } - -int erase_m29f400bt(struct flashctx *flash) -{ - chipaddr bios = flash->virtual_memory; - - chip_writeb(flash, 0xAA, bios + 0xAAA); - chip_writeb(flash, 0x55, bios + 0x555); - chip_writeb(flash, 0x80, bios + 0xAAA); - - chip_writeb(flash, 0xAA, bios + 0xAAA); - chip_writeb(flash, 0x55, bios + 0x555); - chip_writeb(flash, 0x10, bios + 0xAAA); - - programmer_delay(10); - toggle_ready_jedec(flash, bios); - - /* FIXME: Check the status register for errors. */ - return 0; -} - -int block_erase_m29f400bt(struct flashctx *flash, unsigned int start, - unsigned int len) -{ - chipaddr bios = flash->virtual_memory; - chipaddr dst = bios + start; - - chip_writeb(flash, 0xAA, bios + 0xAAA); - chip_writeb(flash, 0x55, bios + 0x555); - chip_writeb(flash, 0x80, bios + 0xAAA); - - chip_writeb(flash, 0xAA, bios + 0xAAA); - chip_writeb(flash, 0x55, bios + 0x555); - chip_writeb(flash, 0x30, dst); - - programmer_delay(10); - toggle_ready_jedec(flash, bios); - - /* FIXME: Check the status register for errors. */ - return 0; -} - -int block_erase_chip_m29f400bt(struct flashctx *flash, unsigned int address, - unsigned int blocklen) -{ - if ((address != 0) || (blocklen != flash->chip->total_size * 1024)) { - msg_cerr("%s called with incorrect arguments\n", - __func__); - return -1; - } - return erase_m29f400bt(flash); -} |
