57 lines
1.6 KiB
C
57 lines
1.6 KiB
C
/*
|
|
* w49f002u.c: driver for Winbond 49F002U flash models
|
|
*
|
|
*
|
|
* Copyright 2000 Silicon Integrated System Corporation
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
*
|
|
*
|
|
* Reference:
|
|
* W49F002U data sheet
|
|
*
|
|
* ToDo: Consilidated to standard JEDEC code.
|
|
*
|
|
* $Id$
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include "flash.h"
|
|
#include "jedec.h"
|
|
#include "w49f002u.h"
|
|
|
|
int write_49f002(struct flashchip *flash, unsigned char *buf)
|
|
{
|
|
int i;
|
|
int total_size = flash->total_size * 1024, page_size =
|
|
flash->page_size;
|
|
volatile char *bios = flash->virt_addr;
|
|
|
|
erase_chip_jedec(flash);
|
|
|
|
printf("Programming Page: ");
|
|
for (i = 0; i < total_size / page_size; i++) {
|
|
/* write to the sector */
|
|
printf("%04d at address: 0x%08x ", i, i * page_size);
|
|
write_sector_jedec(bios, buf + i * page_size,
|
|
bios + i * page_size, page_size);
|
|
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");
|
|
fflush(stdout);
|
|
}
|
|
printf("\n");
|
|
|
|
return (0);
|
|
}
|