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https://review.coreboot.org/flashrom.git
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5a7cb847f0
All the driver conversion work and cleanup has been done by Stefan. flashrom.c and cli_classic.c are a joint work of Stefan and Carl-Daniel. Corresponding to flashrom svn r1579. Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net> Signed-off-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at> Acked-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at> Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
54 lines
1.7 KiB
C
54 lines
1.7 KiB
C
/*
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* This file is part of the flashrom project.
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*
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* Copyright (C) 2004 Tyan Corporation
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* Copyright (C) 2007 Nikolay Petukhov <nikolay.petukhov@gmail.com>
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* Copyright (C) 2007 Reinder E.N. de Haan <lb_reha@mveas.com>
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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 "flash.h"
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static void write_lockbits_49fl00x(const struct flashctx *flash,
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unsigned int size, unsigned char bits,
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unsigned int block_size)
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{
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unsigned int i, left = size;
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chipaddr bios = flash->virtual_registers;
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for (i = 0; left >= block_size; i++, left -= block_size) {
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/* pm49fl002 */
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if (block_size == 16384 && i % 2)
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continue;
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chip_writeb(flash, bits, bios + (i * block_size) + 2);
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}
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}
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int unlock_49fl00x(struct flashctx *flash)
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{
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write_lockbits_49fl00x(flash, flash->chip->total_size * 1024, 0,
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flash->chip->page_size);
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return 0;
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}
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int lock_49fl00x(struct flashctx *flash)
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{
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write_lockbits_49fl00x(flash, flash->chip->total_size * 1024, 1,
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flash->chip->page_size);
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return 0;
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}
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