| David Howells | c775197 | 2009-09-24 15:12:00 +0100 | [diff] [blame] | 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); |