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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;
Marc Zyngierb7281ca2011-05-18 10:51:48 +010025 int (*init)(struct platform_device *);
26 void (*exit)(struct platform_device *);
Lennert Buytenhek73566ed2006-05-07 17:16:36 +010027 void (*set_vpp)(struct map_info *, int);
28 unsigned int nr_parts;
Alexey Korolevd8140832008-12-16 18:22:39 +000029 unsigned int pfow_base;
Barry Song78ef7fa2010-01-15 15:50:14 +080030 char *probe_type;
Lennert Buytenhek73566ed2006-05-07 17:16:36 +010031 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
David Woodhouse0d4e30d2006-05-14 12:25:19 +010040#ifdef CONFIG_MTD_PARTITIONS
Linus Torvalds1da177e2005-04-16 15:20:36 -070041
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) */
Linus Torvalds1da177e2005-04-16 15:20:36 -070054
55#endif /* __LINUX_MTD_PHYSMAP__ */