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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 *
Linus Torvalds1da177e2005-04-16 15:20:36 -07005 * Copyright (C) 2003 MontaVista Software Inc.
6 * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the
10 * Free Software Foundation; either version 2 of the License, or (at your
11 * option) any later version.
12 *
13 */
14
15#ifndef __LINUX_MTD_PHYSMAP__
David Woodhouse0d4e30d2006-05-14 12:25:19 +010016#define __LINUX_MTD_PHYSMAP__
Linus Torvalds1da177e2005-04-16 15:20:36 -070017
18#include <linux/mtd/mtd.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070019#include <linux/mtd/partitions.h>
20
Haavard Skinnemoenad7d3142007-02-09 15:30:29 +010021struct map_info;
22
Lennert Buytenhek73566ed2006-05-07 17:16:36 +010023struct physmap_flash_data {
24 unsigned int width;
25 void (*set_vpp)(struct map_info *, int);
26 unsigned int nr_parts;
27 struct mtd_partition *parts;
28};
Linus Torvalds1da177e2005-04-16 15:20:36 -070029
30/*
31 * Board needs to specify the exact mapping during their setup time.
32 */
Lennert Buytenhek73566ed2006-05-07 17:16:36 +010033void physmap_configure(unsigned long addr, unsigned long size,
34 int bankwidth, void (*set_vpp)(struct map_info *, int) );
Linus Torvalds1da177e2005-04-16 15:20:36 -070035
David Woodhouse0d4e30d2006-05-14 12:25:19 +010036#ifdef CONFIG_MTD_PARTITIONS
Linus Torvalds1da177e2005-04-16 15:20:36 -070037
38/*
Thomas Gleixner61ecfa82005-11-07 11:15:31 +000039 * Machines that wish to do flash partition may want to call this function in
40 * their setup routine.
Linus Torvalds1da177e2005-04-16 15:20:36 -070041 *
42 * physmap_set_partitions(mypartitions, num_parts);
43 *
Thomas Gleixner61ecfa82005-11-07 11:15:31 +000044 * Note that one can always override this hard-coded partition with
Linus Torvalds1da177e2005-04-16 15:20:36 -070045 * command line partition (you need to enable CONFIG_MTD_CMDLINE_PARTS).
46 */
47void physmap_set_partitions(struct mtd_partition *parts, int num_parts);
48
49#endif /* defined(CONFIG_MTD_PARTITIONS) */
Linus Torvalds1da177e2005-04-16 15:20:36 -070050
51#endif /* __LINUX_MTD_PHYSMAP__ */