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 };
85
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