release/src-rt-6.x.4708/linux/linux-2.6.36/arch/mips/mti-sead3/sead3-mtd.c

   1 /*
   2  * This file is subject to the terms and conditions of the GNU General Public
   3  * License.  See the file "COPYING" in the main directory of this archive
   4  * for more details.
   5  *
   6  * Copyright (C) 2006 MIPS Technologies, Inc.
   7  *     written by Ralf Baechle <ralf@linux-mips.org>
   8  */
   9
  10 #include <linux/init.h>
  11 #include <linux/platform_device.h>
  12 #include <linux/mtd/partitions.h>
  13 #include <linux/mtd/physmap.h>
  14 #include <mtd/mtd-abi.h>
  15
  16 static struct mtd_partition sead3_mtd_partitions[] = {
  17         {
  18                 .name =         "User FS",
  19                 .offset =       0x00000000,
  20                 .size =         0x01fc0000,
  21         }, {
  22                 .name =         "Board Config",
  23                 .offset =       0x01fc0000,
  24                 .size =         0x00040000,
  25                 .mask_flags =   MTD_WRITEABLE
  26         },
  27 };
  28
  29 static struct physmap_flash_data sead3_flash_data = {
  30         .width          = 4,
  31         .nr_parts       = ARRAY_SIZE(sead3_mtd_partitions),
  32         .parts          = sead3_mtd_partitions
  33 };
  34
  35 static struct resource sead3_flash_resource = {
  36         .start          = 0x1c000000,
  37         .end            = 0x1dffffff,
  38         .flags          = IORESOURCE_MEM
  39 };
  40
  41 static struct platform_device sead3_flash = {
  42         .name           = "physmap-flash",
  43         .id             = 0,
  44         .dev            = {
  45                 .platform_data  = &sead3_flash_data,
  46         },
  47         .num_resources  = 1,
  48         .resource       = &sead3_flash_resource,
  49 };
  50
  51 static int __init sead3_mtd_init(void)
  52 {
  53         platform_device_register(&sead3_flash);
  54
  55         return 0;
  56 }
  57
  58 module_init(sead3_mtd_init)