diff options
author | David Howells <dhowells@redhat.com> | 2009-09-24 10:12:00 -0400 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-24 20:18:38 -0400 |
commit | c775197d59995228909957e9f0ec128de2590682 (patch) | |
tree | 740a471323a2a7d90a81de90ada991ebfe661e20 /arch/frv | |
parent | 9d93f00580243cc059510d9d6ac4d2f5e97e5b83 (diff) |
FRV: Flash mappings for the MB93090-MB00 motherboard
Flash mappings for the MB93090-MB00 evaluation motherboard.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/frv')
-rw-r--r-- | arch/frv/mb93090-mb00/Makefile | 2 | ||||
-rw-r--r-- | arch/frv/mb93090-mb00/flash.c | 90 |
2 files changed, 92 insertions, 0 deletions
diff --git a/arch/frv/mb93090-mb00/Makefile b/arch/frv/mb93090-mb00/Makefile index 76595e870733..b73b542f8f48 100644 --- a/arch/frv/mb93090-mb00/Makefile +++ b/arch/frv/mb93090-mb00/Makefile | |||
@@ -11,3 +11,5 @@ else | |||
11 | obj-y += pci-dma-nommu.o | 11 | obj-y += pci-dma-nommu.o |
12 | endif | 12 | endif |
13 | endif | 13 | endif |
14 | |||
15 | obj-$(CONFIG_MTD) += flash.o | ||
diff --git a/arch/frv/mb93090-mb00/flash.c b/arch/frv/mb93090-mb00/flash.c new file mode 100644 index 000000000000..c0e3707c2299 --- /dev/null +++ b/arch/frv/mb93090-mb00/flash.c | |||
@@ -0,0 +1,90 @@ | |||
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 | */ | ||
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); | ||