Merge branch 'linus' into stackprotector
[linux-2.6] / arch / sh / boards / mach-rsk / setup.c
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 };