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Ronald G. Minniche3dad012004-02-10 21:34:18 +00001/*
2 * pm49fl004.c: driver for Pm49FL004 flash models.
3 *
4 *
5 * Copyright 2004 Tyan Corporation
Yinghai Luad8ffd22004-10-20 05:07:16 +00006 * yhlu yhlu@tyan.com add exclude range
Ronald G. Minniche3dad012004-02-10 21:34:18 +00007 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 *
22 *
23 */
24
25#include <stdio.h>
26#include "flash.h"
27#include "jedec.h"
28#include "pm49fl004.h"
29
Yinghai Luad8ffd22004-10-20 05:07:16 +000030extern int exclude_start_page, exclude_end_page;
31
Ollie Lho184a4042005-11-26 21:55:36 +000032int write_49fl004(struct flashchip *flash, uint8_t *buf)
Ronald G. Minniche3dad012004-02-10 21:34:18 +000033{
34 int i;
Uwe Hermann0b7afe62007-04-01 19:44:21 +000035 int total_size = flash->total_size * 1024;
36 int page_size = flash->page_size;
Stefan Reinauerce532972007-05-23 17:20:56 +000037 volatile uint8_t *bios = flash->virtual_memory;
Uwe Hermann0b7afe62007-04-01 19:44:21 +000038
Ollie Lho761bf1b2004-03-20 16:46:10 +000039 printf("Programming Page: ");
40 for (i = 0; i < total_size / page_size; i++) {
Uwe Hermann0b7afe62007-04-01 19:44:21 +000041 if ((i >= exclude_start_page) && (i < exclude_end_page))
Yinghai Luad8ffd22004-10-20 05:07:16 +000042 continue;
Uwe Hermann0b7afe62007-04-01 19:44:21 +000043
Ronald G. Minniche3dad012004-02-10 21:34:18 +000044 /* erase the page before programming */
Ollie Lhoefa28582004-12-08 20:10:01 +000045 erase_block_jedec(bios, i * page_size);
Ronald G. Minniche3dad012004-02-10 21:34:18 +000046
47 /* write to the sector */
Ollie Lho761bf1b2004-03-20 16:46:10 +000048 printf("%04d at address: 0x%08x", i, i * page_size);
Ollie Lho8b8897a2004-03-27 00:18:15 +000049 write_sector_jedec(bios, buf + i * page_size,
50 bios + i * page_size, page_size);
51 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");
Ollie Lho761bf1b2004-03-20 16:46:10 +000052 fflush(stdout);
Ronald G. Minniche3dad012004-02-10 21:34:18 +000053 }
54 printf("\n");
55
Ollie Lho761bf1b2004-03-20 16:46:10 +000056 return (0);
Ronald G. Minniche3dad012004-02-10 21:34:18 +000057}