xref: /openbmc/linux/arch/sh/boards/mach-rsk/setup.c (revision ccb01374)
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