diff options
Diffstat (limited to 'util/flashrom/w29ee011.c')
-rw-r--r-- | util/flashrom/w29ee011.c | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/util/flashrom/w29ee011.c b/util/flashrom/w29ee011.c deleted file mode 100644 index 37b908256c..0000000000 --- a/util/flashrom/w29ee011.c +++ /dev/null @@ -1,71 +0,0 @@ -/* - * This file is part of the flashrom project. - * - * Copyright (C) 2007 Markus Boas <ryven@ryven.de> - * - * 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 <string.h> -#include "flash.h" - -int probe_w29ee011(struct flashchip *flash) -{ - volatile uint8_t *bios = flash->virtual_memory; - uint8_t id1, id2; - extern char *chip_to_probe; - - if (!chip_to_probe || strcmp(chip_to_probe, "W29EE011")) { - printf_debug("\n===\n"); - printf_debug(" Probing disabled for Winbond W29EE011 because the probing sequence puts the\n"); - printf_debug(" AMIC A49LF040A in a funky state.\n"); - printf_debug(" Use 'flashrom -c W29EE011' if you have a board with this chip."); - printf_debug("\n===\n"); - return 0; - } - - /* Issue JEDEC Product ID Entry command */ - chip_writeb(0xAA, bios + 0x5555); - myusec_delay(10); - chip_writeb(0x55, bios + 0x2AAA); - myusec_delay(10); - chip_writeb(0x80, bios + 0x5555); - myusec_delay(10); - chip_writeb(0xAA, bios + 0x5555); - myusec_delay(10); - chip_writeb(0x55, bios + 0x2AAA); - myusec_delay(10); - chip_writeb(0x60, bios + 0x5555); - myusec_delay(10); - - /* Read product ID */ - id1 = chip_readb(bios); - id2 = chip_readb(bios + 0x01); - - /* Issue JEDEC Product ID Exit command */ - chip_writeb(0xAA, bios + 0x5555); - myusec_delay(10); - chip_writeb(0x55, bios + 0x2AAA); - myusec_delay(10); - chip_writeb(0xF0, bios + 0x5555); - myusec_delay(10); - - printf_debug("%s: id1 0x%02x, id2 0x%02x\n", __FUNCTION__, id1, id2); - - if (id1 == flash->manufacture_id && id2 == flash->model_id) - return 1; - - return 0; -} |