Andrew Ip | f0126ce | 2002-10-16 06:58:05 +0000 | [diff] [blame] | 1 | /* |
| 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 Lho | cf29de8 | 2004-03-18 19:40:07 +0000 | [diff] [blame] | 25 | * ToDo: Consilidated to standard JEDEC code. |
| 26 | * |
Ollie Lho | cec2879 | 2004-03-17 23:03:37 +0000 | [diff] [blame] | 27 | * $Id$ |
Andrew Ip | f0126ce | 2002-10-16 06:58:05 +0000 | [diff] [blame] | 28 | */ |
| 29 | |
Ronald G. Minnich | eaab50b | 2003-09-12 22:41:53 +0000 | [diff] [blame] | 30 | #include <stdio.h> |
Andrew Ip | f0126ce | 2002-10-16 06:58:05 +0000 | [diff] [blame] | 31 | #include "flash.h" |
| 32 | #include "jedec.h" |
Ronald G. Minnich | eaab50b | 2003-09-12 22:41:53 +0000 | [diff] [blame] | 33 | #include "w49f002u.h" |
Andrew Ip | f0126ce | 2002-10-16 06:58:05 +0000 | [diff] [blame] | 34 | |
Ollie Lho | 184a404 | 2005-11-26 21:55:36 +0000 | [diff] [blame] | 35 | int write_49f002(struct flashchip *flash, uint8_t *buf) |
Andrew Ip | f0126ce | 2002-10-16 06:58:05 +0000 | [diff] [blame] | 36 | { |
Ollie Lho | cec2879 | 2004-03-17 23:03:37 +0000 | [diff] [blame] | 37 | int i; |
Ollie Lho | efa2858 | 2004-12-08 20:10:01 +0000 | [diff] [blame] | 38 | int total_size = flash->total_size * 1024, page_size = |
| 39 | flash->page_size; |
Ollie Lho | 184a404 | 2005-11-26 21:55:36 +0000 | [diff] [blame] | 40 | volatile uint8_t *bios = flash->virt_addr; |
Andrew Ip | f0126ce | 2002-10-16 06:58:05 +0000 | [diff] [blame] | 41 | |
Ollie Lho | 761bf1b | 2004-03-20 16:46:10 +0000 | [diff] [blame] | 42 | erase_chip_jedec(flash); |
Andrew Ip | f0126ce | 2002-10-16 06:58:05 +0000 | [diff] [blame] | 43 | |
Ollie Lho | 761bf1b | 2004-03-20 16:46:10 +0000 | [diff] [blame] | 44 | printf("Programming Page: "); |
Ollie Lho | 8a10d5a | 2005-08-03 15:04:53 +0000 | [diff] [blame] | 45 | for (i = 0; i < total_size / page_size; i++) { |
Ollie Lho | cec2879 | 2004-03-17 23:03:37 +0000 | [diff] [blame] | 46 | /* write to the sector */ |
Ollie Lho | efa2858 | 2004-12-08 20:10:01 +0000 | [diff] [blame] | 47 | 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 Lho | cec2879 | 2004-03-17 23:03:37 +0000 | [diff] [blame] | 52 | } |
| 53 | printf("\n"); |
| 54 | |
Ollie Lho | 761bf1b | 2004-03-20 16:46:10 +0000 | [diff] [blame] | 55 | return (0); |
Andrew Ip | f0126ce | 2002-10-16 06:58:05 +0000 | [diff] [blame] | 56 | } |