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) 2012 MIPS Technologies, Inc.  All rights reserved.
   7  */
   8 #include <linux/init.h>
   9 #include <linux/platform_device.h>
  10 #include <linux/mtd/physmap.h>
  11
  12 static struct mtd_partition sead3_mtd_partitions[] = {
  13         {
  14                 .name =         "User FS",
  15                 .offset =       0x00000000,
  16                 .size =         0x01fc0000,
  17         }, {
  18                 .name =         "Board Config",
  19                 .offset =       0x01fc0000,
  20                 .size =         0x00040000,
  21                 .mask_flags =   MTD_WRITEABLE
  22         },
  23 };
  24
  25 static struct physmap_flash_data sead3_flash_data = {
  26         .width          = 4,
  27         .nr_parts       = ARRAY_SIZE(sead3_mtd_partitions),
  28         .parts          = sead3_mtd_partitions
  29 };
  30
  31 static struct resource sead3_flash_resource = {
  32         .start          = 0x1c000000,
  33         .end            = 0x1dffffff,
  34         .flags          = IORESOURCE_MEM
  35 };
  36
  37 static struct platform_device sead3_flash = {
  38         .name           = "physmap-flash",
  39         .id             = 0,
  40         .dev            = {
  41                 .platform_data  = &sead3_flash_data,
  42         },
  43         .num_resources  = 1,
  44         .resource       = &sead3_flash_resource,
  45 };
  46
  47 static int __init sead3_mtd_init(void)
  48 {
  49         platform_device_register(&sead3_flash);
  50
  51         return 0;
  52 }
  53 device_initcall(sead3_mtd_init);