blob: 50f954461aa8b7693e04468af3da35b6e9362937 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
Thomas Gleixner61ecfa82005-11-07 11:15:31 +00002 * For boards with physically mapped flash and using
Linus Torvalds1da177e2005-04-16 15:20:36 -07003 * drivers/mtd/maps/physmap.c mapping driver.
4 *
Thomas Gleixner61ecfa82005-11-07 11:15:31 +00005 * $Id: physmap.h,v 1.4 2005/11/07 11:14:55 gleixner Exp $
Linus Torvalds1da177e2005-04-16 15:20:36 -07006 *
7 * Copyright (C) 2003 MontaVista Software Inc.
8 * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
9 *
10 * This program is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU General Public License as published by the
12 * Free Software Foundation; either version 2 of the License, or (at your
13 * option) any later version.
14 *
15 */
16
17#ifndef __LINUX_MTD_PHYSMAP__
18
19#include <linux/config.h>
20
Thomas Gleixner61ecfa82005-11-07 11:15:31 +000021#if defined(CONFIG_MTD_PHYSMAP)
Linus Torvalds1da177e2005-04-16 15:20:36 -070022
23#include <linux/mtd/mtd.h>
24#include <linux/mtd/map.h>
25#include <linux/mtd/partitions.h>
26
Lennert Buytenhek73566ed2006-05-07 17:16:36 +010027struct physmap_flash_data {
28 unsigned int width;
29 void (*set_vpp)(struct map_info *, int);
30 unsigned int nr_parts;
31 struct mtd_partition *parts;
32};
Linus Torvalds1da177e2005-04-16 15:20:36 -070033
34/*
35 * Board needs to specify the exact mapping during their setup time.
36 */
Lennert Buytenhek73566ed2006-05-07 17:16:36 +010037void physmap_configure(unsigned long addr, unsigned long size,
38 int bankwidth, void (*set_vpp)(struct map_info *, int) );
Linus Torvalds1da177e2005-04-16 15:20:36 -070039
40#if defined(CONFIG_MTD_PARTITIONS)
41
42/*
Thomas Gleixner61ecfa82005-11-07 11:15:31 +000043 * Machines that wish to do flash partition may want to call this function in
44 * their setup routine.
Linus Torvalds1da177e2005-04-16 15:20:36 -070045 *
46 * physmap_set_partitions(mypartitions, num_parts);
47 *
Thomas Gleixner61ecfa82005-11-07 11:15:31 +000048 * Note that one can always override this hard-coded partition with
Linus Torvalds1da177e2005-04-16 15:20:36 -070049 * command line partition (you need to enable CONFIG_MTD_CMDLINE_PARTS).
50 */
51void physmap_set_partitions(struct mtd_partition *parts, int num_parts);
52
53#endif /* defined(CONFIG_MTD_PARTITIONS) */
54#endif /* defined(CONFIG_MTD) */
55
56#endif /* __LINUX_MTD_PHYSMAP__ */