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 | |