diff options
| -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); | ||
