blob: 5325076f4f0e5aa2d659a213dddd88febed1e51e [file] [log] [blame]
Andrew Ipf0126ce2002-10-16 06:58:05 +00001/*
2 * w49f002u.c: driver for Winbond 49F002U flash models
3 *
4 *
5 * Copyright 2000 Silicon Integrated System Corporation
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 *
21 *
22 * Reference:
23 * W49F002U data sheet
24 *
Ollie Lhocf29de82004-03-18 19:40:07 +000025 * ToDo: Consilidated to standard JEDEC code.
26 *
Ollie Lhocec28792004-03-17 23:03:37 +000027 * $Id$
Andrew Ipf0126ce2002-10-16 06:58:05 +000028 */
29
Ronald G. Minnicheaab50b2003-09-12 22:41:53 +000030#include <stdio.h>
Andrew Ipf0126ce2002-10-16 06:58:05 +000031#include "flash.h"
32#include "jedec.h"
Ronald G. Minnicheaab50b2003-09-12 22:41:53 +000033#include "w49f002u.h"
Andrew Ipf0126ce2002-10-16 06:58:05 +000034
Ollie Lho761bf1b2004-03-20 16:46:10 +000035int write_49f002(struct flashchip *flash, unsigned char *buf)
Andrew Ipf0126ce2002-10-16 06:58:05 +000036{
Ollie Lhocec28792004-03-17 23:03:37 +000037 int i;
Ollie Lhoefa28582004-12-08 20:10:01 +000038 int total_size = flash->total_size * 1024, page_size =
39 flash->page_size;
Ollie Lho761bf1b2004-03-20 16:46:10 +000040 volatile char *bios = flash->virt_addr;
Andrew Ipf0126ce2002-10-16 06:58:05 +000041
Ollie Lho761bf1b2004-03-20 16:46:10 +000042 erase_chip_jedec(flash);
Andrew Ipf0126ce2002-10-16 06:58:05 +000043
Ollie Lho761bf1b2004-03-20 16:46:10 +000044 printf("Programming Page: ");
Ollie Lhocec28792004-03-17 23:03:37 +000045 for (i = 0; i < total_size; i++) {
46 /* write to the sector */
Ollie Lhoefa28582004-12-08 20:10:01 +000047 printf("%04d at address: 0x%08x ", i, i * page_size);
48 write_sector_jedec(bios, buf + i * page_size,
49 bios + i * page_size, page_size);
50 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");
51 fflush(stdout);
Ollie Lhocec28792004-03-17 23:03:37 +000052 }
53 printf("\n");
54
Ollie Lho761bf1b2004-03-20 16:46:10 +000055 return (0);
Andrew Ipf0126ce2002-10-16 06:58:05 +000056}