diff options
Diffstat (limited to 'arch/sh/boards/mach-rsk/setup.c')
-rw-r--r-- | arch/sh/boards/mach-rsk/setup.c | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/arch/sh/boards/mach-rsk/setup.c b/arch/sh/boards/mach-rsk/setup.c new file mode 100644 index 000000000000..af64d030a5c7 --- /dev/null +++ b/arch/sh/boards/mach-rsk/setup.c | |||
@@ -0,0 +1,106 @@ | |||
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 <asm/machvec.h> | ||
20 | #include <asm/io.h> | ||
21 | |||
22 | static const char *probes[] = { "cmdlinepart", NULL }; | ||
23 | |||
24 | static struct mtd_partition *parsed_partitions; | ||
25 | |||
26 | static struct mtd_partition rsk_partitions[] = { | ||
27 | { | ||
28 | .name = "Bootloader", | ||
29 | .offset = 0x00000000, | ||
30 | .size = 0x00040000, | ||
31 | .mask_flags = MTD_WRITEABLE, | ||
32 | }, { | ||
33 | .name = "Kernel", | ||
34 | .offset = MTDPART_OFS_NXTBLK, | ||
35 | .size = 0x001c0000, | ||
36 | }, { | ||
37 | .name = "Flash_FS", | ||
38 | .offset = MTDPART_OFS_NXTBLK, | ||
39 | .size = MTDPART_SIZ_FULL, | ||
40 | } | ||
41 | }; | ||
42 | |||
43 | static struct physmap_flash_data flash_data = { | ||
44 | .width = 2, | ||
45 | }; | ||
46 | |||
47 | static struct resource flash_resource = { | ||
48 | .start = 0x20000000, | ||
49 | .end = 0x20400000, | ||
50 | .flags = IORESOURCE_MEM, | ||
51 | }; | ||
52 | |||
53 | static struct platform_device flash_device = { | ||
54 | .name = "physmap-flash", | ||
55 | .id = -1, | ||
56 | .resource = &flash_resource, | ||
57 | .num_resources = 1, | ||
58 | .dev = { | ||
59 | .platform_data = &flash_data, | ||
60 | }, | ||
61 | }; | ||
62 | |||
63 | static struct mtd_info *flash_mtd; | ||
64 | |||
65 | static struct map_info rsk_flash_map = { | ||
66 | .name = "RSK+ Flash", | ||
67 | .size = 0x400000, | ||
68 | .bankwidth = 2, | ||
69 | }; | ||
70 | |||
71 | static void __init set_mtd_partitions(void) | ||
72 | { | ||
73 | int nr_parts = 0; | ||
74 | |||
75 | simple_map_init(&rsk_flash_map); | ||
76 | flash_mtd = do_map_probe("cfi_probe", &rsk_flash_map); | ||
77 | nr_parts = parse_mtd_partitions(flash_mtd, probes, | ||
78 | &parsed_partitions, 0); | ||
79 | /* If there is no partition table, used the hard coded table */ | ||
80 | if (nr_parts <= 0) { | ||
81 | flash_data.parts = rsk_partitions; | ||
82 | flash_data.nr_parts = ARRAY_SIZE(rsk_partitions); | ||
83 | } else { | ||
84 | flash_data.nr_parts = nr_parts; | ||
85 | flash_data.parts = parsed_partitions; | ||
86 | } | ||
87 | } | ||
88 | |||
89 | static struct platform_device *rsk_devices[] __initdata = { | ||
90 | &flash_device, | ||
91 | }; | ||
92 | |||
93 | static int __init rsk_devices_setup(void) | ||
94 | { | ||
95 | set_mtd_partitions(); | ||
96 | return platform_add_devices(rsk_devices, | ||
97 | ARRAY_SIZE(rsk_devices)); | ||
98 | } | ||
99 | device_initcall(rsk_devices_setup); | ||
100 | |||
101 | /* | ||
102 | * The Machine Vector | ||
103 | */ | ||
104 | static struct sh_machine_vector mv_rsk __initmv = { | ||
105 | .mv_name = "RSK+", | ||
106 | }; | ||