First attempt at adding support for this chip in flash_rom. It's
basically the same as a W49F002U, only different total and page sizes.
Attached are my tla file-diffs for flash.h and flash_rom.c and also .c
and .h files for the chip itself.
--- orig/util/flash_and_burn/flash.h
+++ mod/util/flash_and_burn/flash.h
@@ -49,6 +49,7 @@
#define WINBOND_ID 0xDA /* Winbond Manufacture ID code */
#define W_29C011 0xC1 /* Winbond w29c011 device code */
#define W_29C020C 0x45 /* Winbond w29c020c device code */
+#define W_39V040A 0x3D /* Winbond w29c020c device code */
#define W_49F002U 0x0B /* Winbond w29c020c device code */
#define ST_ID 0x20
--- orig/util/flash_and_burn/flash_rom.c
+++ mod/util/flash_and_burn/flash_rom.c
@@ -44,6 +44,7 @@
#include "am29f040b.h"
#include "sst28sf040.h"
#include "w49f002u.h"
+#include "w39v040a.h"
#include "sst39sf020.h"
#include "sst49lf040.h"
#include "pm49fl004.h"
@@ -83,6 +84,8 @@
probe_jedec, erase_chip_jedec, write_jedec, NULL},
{"W29C020C", WINBOND_ID, W_29C020C, NULL, 256, 128,
probe_jedec, erase_chip_jedec, write_jedec, NULL},
+ {"W39V040A", WINBOND_ID, W_39V040A, NULL, 512, 4096,
+ probe_jedec, erase_chip_jedec, write_39v040a, NULL},
{"W49F002U", WINBOND_ID, W_49F002U, NULL, 256, 128,
probe_jedec, erase_chip_jedec, write_49f002, NULL},
{"M29F400BT", ST_ID, ST_M29F400BT, NULL, 512, 64 * 1024,
/*
* w39v040a.c: driver for Winbond 39V040A 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:
* W39V040A data sheet
*
* ToDo: Consilidated to standard JEDEC code.
*
* $Id: w49f002u.c,v 1.6 2004/12/08 20:10:01 ollie Exp $
*/
#include <stdio.h>
#include "flash.h"
#include "jedec.h"
#include "w39v040a.h"
int write_39v040a(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; 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);
}
#ifndef __W39V040A_H__
#define __W39V040A_H__ 1
extern int write_39v040a(struct flashchip *flash, unsigned char *buf);
#endif /* !__W39V040A_H__ */
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