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

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Renesas Technology Europe RSK+ Support.
   4  *
   5  * Copyright (C) 2008 Paul Mundt
   6  * Copyright (C) 2008 Peter Griffin <pgriffin@mpc-data.co.uk>
   7  */
   8 #include <linux/init.h>
   9 #include <linux/types.h>
  10 #include <linux/platform_device.h>
  11 #include <linux/interrupt.h>
  12 #include <linux/mtd/mtd.h>
  13 #include <linux/mtd/partitions.h>
  14 #include <linux/mtd/physmap.h>
  15 #include <linux/mtd/map.h>
  16 #include <linux/regulator/fixed.h>
  17 #include <linux/regulator/machine.h>
  18 #include <asm/machvec.h>
  19 #include <asm/io.h>
  20
  21 /* Dummy supplies, where voltage doesn't matter */
  22 static struct regulator_consumer_supply dummy_supplies[] = {
  23         REGULATOR_SUPPLY("vddvario", "smsc911x"),
  24         REGULATOR_SUPPLY("vdd33a", "smsc911x"),
  25 };
  26
  27 static struct mtd_partition rsk_partitions[] = {
  28         {
  29                 .name           = "Bootloader",
  30                 .offset         = 0x00000000,
  31                 .size           = 0x00040000,
  32                 .mask_flags     = MTD_WRITEABLE,
  33         }, {
  34                 .name           = "Kernel",
  35                 .offset         = MTDPART_OFS_NXTBLK,
  36                 .size           = 0x001c0000,
  37         }, {
  38                 .name           = "Flash_FS",
  39                 .offset         = MTDPART_OFS_NXTBLK,
  40                 .size           = MTDPART_SIZ_FULL,
  41         }
  42 };
  43
  44 static struct physmap_flash_data flash_data = {
  45         .parts                  = rsk_partitions,
  46         .nr_parts               = ARRAY_SIZE(rsk_partitions),
  47         .width                  = 2,
  48 };
  49
  50 static struct resource flash_resource = {
  51         .start          = 0x20000000,
  52         .end            = 0x20400000,
  53         .flags          = IORESOURCE_MEM,
  54 };
  55
  56 static struct platform_device flash_device = {
  57         .name           = "physmap-flash",
  58         .id             = -1,
  59         .resource       = &flash_resource,
  60         .num_resources  = 1,
  61         .dev            = {
  62                 .platform_data = &flash_data,
  63         },
  64 };
  65
  66 static struct platform_device *rsk_devices[] __initdata = {
  67         &flash_device,
  68 };
  69
  70 static int __init rsk_devices_setup(void)
  71 {
  72         regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
  73
  74         return platform_add_devices(rsk_devices,
  75                                     ARRAY_SIZE(rsk_devices));
  76 }
  77 device_initcall(rsk_devices_setup);
  78
  79 /*
  80  * The Machine Vector
  81  */
  82 static struct sh_machine_vector mv_rsk __initmv = {
  83         .mv_name        = "RSK+",
  84 };