1/* Flash mappings for the MB93090-MB00 motherboard
2 *
3 * Copyright (C) 2009 Red Hat, Inc. All Rights Reserved.
4 * Written by David Howells (dhowells@redhat.com)
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public Licence
8 * as published by the Free Software Foundation; either version
9 * 2 of the Licence, or (at your option) any later version.
10 */
11
12#include <linux/init.h>
13#include <linux/platform_device.h>
14#include <linux/mtd/partitions.h>
15#include <linux/mtd/physmap.h>
16
17#define MB93090_BOOTROM_ADDR	0xFF000000	/* Boot ROM */
18#define MB93090_BOOTROM_SIZE	(2 * 1024 * 1024)
19#define MB93090_USERROM_ADDR	0xFF200000	/* User ROM */
20#define MB93090_USERROM_SIZE	(2 * 1024 * 1024)
21
22/*
23 * default MTD partition table for both main flash devices, expected to be
24 * overridden by RedBoot
25 */
26static struct mtd_partition mb93090_partitions[] = {
27	{
28		.name		= "Filesystem",
29		.size		= MTDPART_SIZ_FULL,
30		.offset		= 0,
31	}
32};
33
34/*
35 * Definition of the MB93090 Boot ROM (on the CPU card)
36 */
37static struct physmap_flash_data mb93090_bootrom_data = {
38	.width		= 2,
39	.nr_parts	= 2,
40	.parts		= mb93090_partitions,
41};
42
43static struct resource mb93090_bootrom_resource = {
44	.start		= MB93090_BOOTROM_ADDR,
45	.end		= MB93090_BOOTROM_ADDR + MB93090_BOOTROM_SIZE - 1,
46	.flags		= IORESOURCE_MEM,
47};
48
49static struct platform_device mb93090_bootrom = {
50	.name		= "physmap-flash",
51	.id		= 0,
52	.dev.platform_data = &mb93090_bootrom_data,
53	.num_resources	= 1,
54	.resource	= &mb93090_bootrom_resource,
55};
56
57/*
58 * Definition of the MB93090 User ROM definition (on the motherboard)
59 */
60static struct physmap_flash_data mb93090_userrom_data = {
61	.width		= 2,
62	.nr_parts	= 2,
63	.parts		= mb93090_partitions,
64};
65
66static struct resource mb93090_userrom_resource = {
67	.start		= MB93090_USERROM_ADDR,
68	.end		= MB93090_USERROM_ADDR + MB93090_USERROM_SIZE - 1,
69	.flags		= IORESOURCE_MEM,
70};
71
72static struct platform_device mb93090_userrom = {
73	.name		= "physmap-flash",
74	.id		= 1,
75	.dev.platform_data = &mb93090_userrom_data,
76	.num_resources	= 1,
77	.resource	= &mb93090_userrom_resource,
78};
79
80/*
81 * register the MB93090 flashes
82 */
83static int __init mb93090_mtd_init(void)
84{
85	platform_device_register(&mb93090_bootrom);
86	platform_device_register(&mb93090_userrom);
87	return 0;
88}
89
90module_init(mb93090_mtd_init);
91