kernel/arch/sh/boards/mach-rsk/setup.c

   1 /*
   2  * Renesas Technology Europe RSK+ Support.
   3  *
   4  * Copyright (C) 2008 Paul Mundt
   5  * Copyright (C) 2008 Peter Griffin <pgriffin@mpc-data.co.uk>
   6  *
   7  * This file is subject to the terms and conditions of the GNU General Public
   8  * License.  See the file "COPYING" in the main directory of this archive
   9  * for more details.
  10  */
  11 #include <linux/init.h>
  12 #include <linux/types.h>
  13 #include <linux/platform_device.h>
  14 #include <linux/interrupt.h>
  15 #include <linux/mtd/mtd.h>
  16 #include <linux/mtd/partitions.h>
  17 #include <linux/mtd/physmap.h>
  18 #include <linux/mtd/map.h>
  19 #include <linux/regulator/fixed.h>
  20 #include <linux/regulator/machine.h>
  21 #include <asm/machvec.h>
  22 #include <asm/io.h>
  23
  24 /* Dummy supplies, where voltage doesn't matter */
  25 static struct regulator_consumer_supply dummy_supplies[] = {
  26         REGULATOR_SUPPLY("vddvario", "smsc911x"),
  27         REGULATOR_SUPPLY("vdd33a", "smsc911x"),
  28 };
  29
  30 static const char *part_probes[] = { "cmdlinepart", NULL };
  31
  32 static struct mtd_partition rsk_partitions[] = {
  33         {
  34                 .name           = "Bootloader",
  35                 .offset         = 0x00000000,
  36                 .size           = 0x00040000,
  37                 .mask_flags     = MTD_WRITEABLE,
  38         }, {
  39                 .name           = "Kernel",
  40                 .offset         = MTDPART_OFS_NXTBLK,
  41                 .size           = 0x001c0000,
  42         }, {
  43                 .name           = "Flash_FS",
  44                 .offset         = MTDPART_OFS_NXTBLK,
  45                 .size           = MTDPART_SIZ_FULL,
  46         }
  47 };
  48
  49 static struct physmap_flash_data flash_data = {
  50         .parts                  = rsk_partitions,
  51         .nr_parts               = ARRAY_SIZE(rsk_partitions),
  52         .width                  = 2,
  53         .part_probe_types       = part_probes,
  54 };
  55
  56 static struct resource flash_resource = {
  57         .start          = 0x20000000,
  58         .end            = 0x20400000,
  59         .flags          = IORESOURCE_MEM,
  60 };
  61
  62 static struct platform_device flash_device = {
  63         .name           = "physmap-flash",
  64         .id             = -1,
  65         .resource       = &flash_resource,
  66         .num_resources  = 1,
  67         .dev            = {
  68                 .platform_data = &flash_data,
  69         },
  70 };
  71
  72 static struct platform_device *rsk_devices[] __initdata = {
  73         &flash_device,
  74 };
  75
  76 static int __init rsk_devices_setup(void)
  77 {
  78         regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
  79
  80         return platform_add_devices(rsk_devices,
  81                                     ARRAY_SIZE(rsk_devices));
  82 }
  83 device_initcall(rsk_devices_setup);
  84
  85 /*
  86  * The Machine Vector
  87  */
  88 static struct sh_machine_vector mv_rsk __initmv = {
  89         .mv_name        = "RSK+",
  90 };