release/src-rt-6.x/linux/linux-2.6/arch/mips/mips-boards/malta/malta_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 malta_mtd_partitions[] = {
  17         {
  18                 .name =         "YAMON",
  19                 .offset =       0x0,
  20                 .size =         0x100000,
  21                 .mask_flags =   MTD_WRITEABLE
  22         }, {
  23                 .name =         "User FS",
  24                 .offset =       0x100000,
  25                 .size =         0x2e0000
  26         }, {
  27                 .name =         "Board Config",
  28                 .offset =       0x3e0000,
  29                 .size =         0x020000,
  30                 .mask_flags =   MTD_WRITEABLE
  31         }
  32 };
  33
  34 static struct physmap_flash_data malta_flash_data = {
  35         .width          = 4,
  36         .nr_parts       = ARRAY_SIZE(malta_mtd_partitions),
  37         .parts          = malta_mtd_partitions
  38 };
  39
  40 static struct resource malta_flash_resource = {
  41         .start          = 0x1e000000,
  42         .end            = 0x1e3fffff,
  43         .flags          = IORESOURCE_MEM
  44 };
  45
  46 static struct platform_device malta_flash = {
  47         .name           = "physmap-flash",
  48         .id             = 0,
  49         .dev            = {
  50                 .platform_data  = &malta_flash_data,
  51         },
  52         .num_resources  = 1,
  53         .resource       = &malta_flash_resource,
  54 };
  55
  56 static int __init malta_mtd_init(void)
  57 {
  58         platform_device_register(&malta_flash);
  59
  60         return 0;
  61 }
  62
  63 module_init(malta_mtd_init)