blob: e2d0e793c582a79e75d914b7310a54eac1f983eb [file] [log] [blame]
Uwe Hermannd1107642007-08-29 17:52:32 +00001/*
2 * This file is part of the flashrom project.
David Hendricks3770a112004-03-17 21:47:30 +00003 *
Uwe Hermannd22a1d42007-09-09 20:21:05 +00004 * Copyright (C) 2000 Silicon Integrated System Corporation
David Hendricks3770a112004-03-17 21:47:30 +00005 *
Uwe Hermannd1107642007-08-29 17:52:32 +00006 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
David Hendricks3770a112004-03-17 21:47:30 +000010 *
Uwe Hermannd1107642007-08-29 17:52:32 +000011 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
David Hendricks3770a112004-03-17 21:47:30 +000015 *
Uwe Hermannd1107642007-08-29 17:52:32 +000016 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
David Hendricks3770a112004-03-17 21:47:30 +000019 */
Uwe Hermannffec5f32007-08-23 16:08:21 +000020
David Hendricks3770a112004-03-17 21:47:30 +000021#include <stdio.h>
22#include "flash.h"
David Hendricks3770a112004-03-17 21:47:30 +000023
Ollie Lhoa1439cf2005-01-11 02:48:22 +000024int erase_49lf040(struct flashchip *flash)
25{
Uwe Hermann0b7afe62007-04-01 19:44:21 +000026 int i;
27 int total_size = flash->total_size * 1024;
28 int page_size = flash->page_size;
Stefan Reinauerce532972007-05-23 17:20:56 +000029 volatile uint8_t *bios = flash->virtual_memory;
Ollie Lhoa1439cf2005-01-11 02:48:22 +000030
Uwe Hermann0b7afe62007-04-01 19:44:21 +000031 for (i = 0; i < total_size / page_size; i++) {
Ollie Lhoa1439cf2005-01-11 02:48:22 +000032 /* Chip erase only works in parallel programming mode
33 * for the 49lf040. Use sector-erase instead */
34 erase_sector_jedec(bios, i * page_size);
Uwe Hermann0b7afe62007-04-01 19:44:21 +000035 }
Uwe Hermannffec5f32007-08-23 16:08:21 +000036
Ollie Lhoa1439cf2005-01-11 02:48:22 +000037 return 0;
38}
39
Ollie Lho184a4042005-11-26 21:55:36 +000040int write_49lf040(struct flashchip *flash, uint8_t *buf)
David Hendricks3770a112004-03-17 21:47:30 +000041{
42 int i;
Ollie Lho8b8897a2004-03-27 00:18:15 +000043 int total_size = flash->total_size * 1024;
44 int page_size = flash->page_size;
Stefan Reinauerce532972007-05-23 17:20:56 +000045 volatile uint8_t *bios = flash->virtual_memory;
David Hendricks3770a112004-03-17 21:47:30 +000046
Ollie Lho761bf1b2004-03-20 16:46:10 +000047 printf("Programming Page: ");
48 for (i = 0; i < total_size / page_size; i++) {
Ollie Lho73eca802004-03-19 22:10:07 +000049 /* erase the page before programming
Ollie Lhoa1439cf2005-01-11 02:48:22 +000050 * Chip erase only works in parallel programming mode
51 * for the 49lf040. Use sector-erase instead */
Ollie Lho73eca802004-03-19 22:10:07 +000052 erase_sector_jedec(bios, i * page_size);
David Hendricks3770a112004-03-17 21:47:30 +000053
54 /* write to the sector */
Roman Kononov41c47672006-10-07 00:21:13 +000055 printf("%04d at address: 0x%08x ", i, i * page_size);
Uwe Hermann0b7afe62007-04-01 19:44:21 +000056
Ollie Lho761bf1b2004-03-20 16:46:10 +000057 write_sector_jedec(bios, buf + i * page_size,
58 bios + i * page_size, page_size);
Roman Kononov41c47672006-10-07 00:21:13 +000059
60 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");
Ollie Lho761bf1b2004-03-20 16:46:10 +000061 fflush(stdout);
David Hendricks3770a112004-03-17 21:47:30 +000062 }
63 printf("\n");
64
Uwe Hermannffec5f32007-08-23 16:08:21 +000065 return 0;
David Hendricks3770a112004-03-17 21:47:30 +000066}