2 * This file is part of the flashrom project.
4 * Copyright (C) 2000 Silicon Integrated System Corporation
6 * 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.
11 * 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.
16 * 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
24 int erase_49lf040(struct flashchip *flash)
27 int total_size = flash->total_size * 1024;
28 int page_size = flash->page_size;
29 volatile uint8_t *bios = flash->virtual_memory;
31 for (i = 0; i < total_size / page_size; i++) {
32 /* Chip erase only works in parallel programming mode
33 * for the 49lf040. Use sector-erase instead */
34 erase_sector_jedec(bios, i * page_size);
40 int write_49lf040(struct flashchip *flash, uint8_t *buf)
43 int total_size = flash->total_size * 1024;
44 int page_size = flash->page_size;
45 volatile uint8_t *bios = flash->virtual_memory;
47 printf("Programming Page: ");
48 for (i = 0; i < total_size / page_size; i++) {
49 /* erase the page before programming
50 * Chip erase only works in parallel programming mode
51 * for the 49lf040. Use sector-erase instead */
52 erase_sector_jedec(bios, i * page_size);
54 /* write to the sector */
55 printf("%04d at address: 0x%08x ", i, i * page_size);
57 write_sector_jedec(bios, buf + i * page_size,
58 bios + i * page_size, page_size);
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");