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https://review.coreboot.org/flashrom.git
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414bd320ac
This makes visual inspection and grepping a lot harder than necessary. Remove line breaks where appropriate. Some error messages should end up on stderr instead of just being displayed in verbose mode. Thanks to Maciej Pijanka for testing. Corresponding to flashrom svn r660. Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net> Acked-by: Stefan Reinauer <stepan@coresystems.de>
71 lines
2.1 KiB
C
71 lines
2.1 KiB
C
/*
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* This file is part of the flashrom project.
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*
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* Copyright (C) 2007 Markus Boas <ryven@ryven.de>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <string.h>
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#include "flash.h"
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int probe_w29ee011(struct flashchip *flash)
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{
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chipaddr bios = flash->virtual_memory;
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uint8_t id1, id2;
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extern char *chip_to_probe;
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if (!chip_to_probe || strcmp(chip_to_probe, "W29EE011")) {
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printf_debug("Probing disabled for Winbond W29EE011 because "
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"the probing sequence puts the AMIC A49LF040A in "
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"a funky state. Use 'flashrom -c W29EE011' if you "
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"have a board with this chip.\n");
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return 0;
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}
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/* Issue JEDEC Product ID Entry command */
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chip_writeb(0xAA, bios + 0x5555);
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programmer_delay(10);
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chip_writeb(0x55, bios + 0x2AAA);
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programmer_delay(10);
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chip_writeb(0x80, bios + 0x5555);
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programmer_delay(10);
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chip_writeb(0xAA, bios + 0x5555);
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programmer_delay(10);
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chip_writeb(0x55, bios + 0x2AAA);
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programmer_delay(10);
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chip_writeb(0x60, bios + 0x5555);
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programmer_delay(10);
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/* Read product ID */
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id1 = chip_readb(bios);
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id2 = chip_readb(bios + 0x01);
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/* Issue JEDEC Product ID Exit command */
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chip_writeb(0xAA, bios + 0x5555);
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programmer_delay(10);
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chip_writeb(0x55, bios + 0x2AAA);
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programmer_delay(10);
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chip_writeb(0xF0, bios + 0x5555);
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programmer_delay(10);
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printf_debug("%s: id1 0x%02x, id2 0x%02x\n", __FUNCTION__, id1, id2);
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if (id1 == flash->manufacture_id && id2 == flash->model_id)
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return 1;
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return 0;
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}
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