diff options
Diffstat (limited to 'util/flashrom/w39v040c.c')
-rw-r--r-- | util/flashrom/w39v040c.c | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/util/flashrom/w39v040c.c b/util/flashrom/w39v040c.c deleted file mode 100644 index f631d33f93..0000000000 --- a/util/flashrom/w39v040c.c +++ /dev/null @@ -1,98 +0,0 @@ -/* - * This file is part of the flashrom project. - * - * Copyright (C) 2008 Peter Stuge <peter@stuge.se> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <stdio.h> -#include "flash.h" - -int probe_w39v040c(struct flashchip *flash) -{ - volatile uint8_t *bios = flash->virtual_memory; - uint8_t id1, id2, lock; - - chip_writeb(0xAA, bios + 0x5555); - myusec_delay(10); - chip_writeb(0x55, bios + 0x2AAA); - myusec_delay(10); - chip_writeb(0x90, bios + 0x5555); - myusec_delay(10); - - id1 = chip_readb(bios); - id2 = chip_readb(bios + 1); - lock = chip_readb(bios + 0xfff2); - - chip_writeb(0xAA, bios + 0x5555); - myusec_delay(10); - chip_writeb(0x55, bios + 0x2AAA); - myusec_delay(10); - chip_writeb(0xF0, bios + 0x5555); - myusec_delay(40); - - printf_debug("%s: id1 0x%02x, id2 0x%02x", __func__, id1, id2); - if (!oddparity(id1)) - printf_debug(", id1 parity violation"); - printf_debug("\n"); - if (flash->manufacture_id == id1 && flash->model_id == id2) { - printf("%s: Boot block #TBL is %slocked, rest of chip #WP is %slocked.\n", - __func__, lock & 0x4 ? "" : "un", lock & 0x8 ? "" : "un"); - return 1; - } - - return 0; -} - -int erase_w39v040c(struct flashchip *flash) -{ - int i; - unsigned int total_size = flash->total_size * 1024; - volatile uint8_t *bios = flash->virtual_memory; - - for (i = 0; i < total_size; i += flash->page_size) - erase_sector_jedec(flash->virtual_memory, i); - - for (i = 0; i < total_size; i++) - if (0xff != bios[i]) { - printf("ERASE FAILED at 0x%08x! Expected=0xff, Read=0x%02x\n", i, bios[i]); - return -1; - } - - return 0; -} - -int write_w39v040c(struct flashchip *flash, uint8_t *buf) -{ - int i; - int total_size = flash->total_size * 1024; - int page_size = flash->page_size; - volatile uint8_t *bios = flash->virtual_memory; - - if (flash->erase(flash)) - return -1; - - printf("Programming page: "); - for (i = 0; i < total_size / page_size; i++) { - printf("%04d at address: 0x%08x", i, i * page_size); - write_sector_jedec(bios, buf + i * page_size, - bios + i * page_size, page_size); - printf("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b"); - } - printf("\n"); - - return 0; -} |