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c775197d DH |
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 | ||
7cac3437 | 12 | #include <linux/module.h> |
c775197d DH |
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 | */ | |
26 | static 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 | */ | |
37 | static struct physmap_flash_data mb93090_bootrom_data = { | |
38 | .width = 2, | |
39 | .nr_parts = 2, | |
40 | .parts = mb93090_partitions, | |
41 | }; | |
42 | ||
43 | static 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 | ||
49 | static 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 | */ | |
60 | static struct physmap_flash_data mb93090_userrom_data = { | |
61 | .width = 2, | |
62 | .nr_parts = 2, | |
63 | .parts = mb93090_partitions, | |
64 | }; | |
65 | ||
66 | static 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 | ||
72 | static 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 | */ | |
83 | static int __init mb93090_mtd_init(void) | |
84 | { | |
85 | platform_device_register(&mb93090_bootrom); | |
86 | platform_device_register(&mb93090_userrom); | |
87 | return 0; | |
88 | } | |
89 | ||
90 | module_init(mb93090_mtd_init); |