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1b0f61f80b
This has been tested on hardware by me. Corresponding to flashrom svn r327 and coreboot v2 svn r3682. Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de> Acked-by: Uwe Hermann <uwe@hermann-uwe.de>
69 lines
2.0 KiB
C
69 lines
2.0 KiB
C
/*
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* This file is part of the flashrom project.
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*
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* Copyright (C) 2000 Silicon Integrated System Corporation
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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 <stdio.h>
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#include "flash.h"
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int erase_49lf040(struct flashchip *flash)
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{
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int i;
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int total_size = flash->total_size * 1024;
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int page_size = flash->page_size;
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volatile uint8_t *bios = flash->virtual_memory;
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for (i = 0; i < total_size / page_size; i++) {
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/* Chip erase only works in parallel programming mode
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* for the 49lf040. Use sector-erase instead */
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erase_sector_jedec(bios, i * page_size);
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}
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return 0;
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}
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int write_49lf040(struct flashchip *flash, uint8_t *buf)
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{
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int i;
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int total_size = flash->total_size * 1024;
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int page_size = flash->page_size;
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volatile uint8_t *bios = flash->virtual_memory;
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printf("Programming page: ");
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for (i = 0; i < total_size / page_size; i++) {
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/* erase the page before programming
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* Chip erase only works in parallel programming mode
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* for the 49lf040. Use sector-erase instead */
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erase_sector_jedec(bios, i * page_size);
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/* write to the sector */
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if (i % 10 == 0)
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printf("%04d at address: 0x%08x ", i, i * page_size);
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write_sector_jedec(bios, buf + i * page_size,
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bios + i * page_size, page_size);
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if (i % 10 == 0)
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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\b");
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fflush(stdout);
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}
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printf("\n");
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return 0;
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}
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