Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1/*
2 * For boards with physically mapped flash and using
3 * drivers/mtd/maps/physmap.c mapping driver.
4 *
5 * $Id: physmap.h,v 1.3 2004/07/21 00:16:15 jwboyer Exp $
6 *
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
21#if defined(CONFIG_MTD_PHYSMAP)
22
23#include <linux/mtd/mtd.h>
24#include <linux/mtd/map.h>
25#include <linux/mtd/partitions.h>
26
27/*
28 * The map_info for physmap. Board can override size, buswidth, phys,
29 * (*set_vpp)(), etc in their initial setup routine.
30 */
31extern struct map_info physmap_map;
32
33/*
34 * Board needs to specify the exact mapping during their setup time.
35 */
36static inline void physmap_configure(unsigned long addr, unsigned long size, int bankwidth, void (*set_vpp)(struct map_info *, int) )
37{
38 physmap_map.phys = addr;
39 physmap_map.size = size;
40 physmap_map.bankwidth = bankwidth;
41 physmap_map.set_vpp = set_vpp;
42}
43
44#if defined(CONFIG_MTD_PARTITIONS)
45
46/*
47 * Machines that wish to do flash partition may want to call this function in
48 * their setup routine.
49 *
50 * physmap_set_partitions(mypartitions, num_parts);
51 *
52 * Note that one can always override this hard-coded partition with
53 * command line partition (you need to enable CONFIG_MTD_CMDLINE_PARTS).
54 */
55void physmap_set_partitions(struct mtd_partition *parts, int num_parts);
56
57#endif /* defined(CONFIG_MTD_PARTITIONS) */
58#endif /* defined(CONFIG_MTD) */
59
60#endif /* __LINUX_MTD_PHYSMAP__ */
61