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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 *
Andrew Ipf0126ce2002-10-16 06:58:05 +000027 */
28
Ronald G. Minnicheaab50b2003-09-12 22:41:53 +000029#include <stdio.h>
Andrew Ipf0126ce2002-10-16 06:58:05 +000030#include "flash.h"
31#include "jedec.h"
Ronald G. Minnicheaab50b2003-09-12 22:41:53 +000032#include "w49f002u.h"
Andrew Ipf0126ce2002-10-16 06:58:05 +000033
Ollie Lho184a4042005-11-26 21:55:36 +000034int write_49f002(struct flashchip *flash, uint8_t *buf)
Andrew Ipf0126ce2002-10-16 06:58:05 +000035{
Ollie Lhocec28792004-03-17 23:03:37 +000036 int i;
Uwe Hermann0b7afe62007-04-01 19:44:21 +000037 int total_size = flash->total_size * 1024;
38 int page_size = flash->page_size;
Ollie Lho184a4042005-11-26 21:55:36 +000039 volatile uint8_t *bios = flash->virt_addr;
Andrew Ipf0126ce2002-10-16 06:58:05 +000040
Ollie Lho761bf1b2004-03-20 16:46:10 +000041 erase_chip_jedec(flash);
Andrew Ipf0126ce2002-10-16 06:58:05 +000042
Ollie Lho761bf1b2004-03-20 16:46:10 +000043 printf("Programming Page: ");
Ollie Lho8a10d5a2005-08-03 15:04:53 +000044 for (i = 0; i < total_size / page_size; i++) {
Ollie Lhocec28792004-03-17 23:03:37 +000045 /* write to the sector */
Ollie Lhoefa28582004-12-08 20:10:01 +000046 printf("%04d at address: 0x%08x ", i, i * page_size);
47 write_sector_jedec(bios, buf + i * page_size,
48 bios + i * page_size, page_size);
49 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");
50 fflush(stdout);
Ollie Lhocec28792004-03-17 23:03:37 +000051 }
52 printf("\n");
53
Ollie Lho761bf1b2004-03-20 16:46:10 +000054 return (0);
Andrew Ipf0126ce2002-10-16 06:58:05 +000055}