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-rw-r--r--arch/sh/boards/board-rsk7203.c136
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diff --git a/arch/sh/boards/board-rsk7203.c b/arch/sh/boards/board-rsk7203.c
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1/*
2 * Renesas Technology Europe RSK+ 7203 Support.
3 *
4 * Copyright (C) 2008 Paul Mundt
5 *
6 * This file is subject to the terms and conditions of the GNU General Public
7 * License. See the file "COPYING" in the main directory of this archive
8 * for more details.
9 */
10#include <linux/init.h>
11#include <linux/types.h>
12#include <linux/platform_device.h>
13#include <linux/interrupt.h>
14#include <linux/mtd/mtd.h>
15#include <linux/mtd/partitions.h>
16#include <linux/mtd/physmap.h>
17#include <linux/mtd/map.h>
18#include <linux/smc911x.h>
19#include <asm/machvec.h>
20#include <asm/io.h>
21
22static struct smc911x_platdata smc911x_info = {
23 .flags = SMC911X_USE_16BIT,
24 .irq_flags = IRQF_TRIGGER_LOW,
25};
26
27static struct resource smc911x_resources[] = {
28 [0] = {
29 .start = 0x24000000,
30 .end = 0x24000000 + 0x100,
31 .flags = IORESOURCE_MEM,
32 },
33 [1] = {
34 .start = 64,
35 .end = 64,
36 .flags = IORESOURCE_IRQ,
37 },
38};
39
40static struct platform_device smc911x_device = {
41 .name = "smc911x",
42 .id = -1,
43 .num_resources = ARRAY_SIZE(smc911x_resources),
44 .resource = smc911x_resources,
45 .dev = {
46 .platform_data = &smc911x_info,
47 },
48};
49
50static const char *probes[] = { "cmdlinepart", NULL };
51
52static struct mtd_partition *parsed_partitions;
53
54static struct mtd_partition rsk7203_partitions[] = {
55 {
56 .name = "Bootloader",
57 .offset = 0x00000000,
58 .size = 0x00040000,
59 .mask_flags = MTD_WRITEABLE,
60 }, {
61 .name = "Kernel",
62 .offset = MTDPART_OFS_NXTBLK,
63 .size = 0x001c0000,
64 }, {
65 .name = "Flash_FS",
66 .offset = MTDPART_OFS_NXTBLK,
67 .size = MTDPART_SIZ_FULL,
68 }
69};
70
71static struct physmap_flash_data flash_data = {
72 .width = 2,
73};
74
75static struct resource flash_resource = {
76 .start = 0x20000000,
77 .end = 0x20400000,
78 .flags = IORESOURCE_MEM,
79};
80
81static struct platform_device flash_device = {
82 .name = "physmap-flash",
83 .id = -1,
84 .resource = &flash_resource,
85 .num_resources = 1,
86 .dev = {
87 .platform_data = &flash_data,
88 },
89};
90
91static struct mtd_info *flash_mtd;
92
93static struct map_info rsk7203_flash_map = {
94 .name = "RSK+ Flash",
95 .size = 0x400000,
96 .bankwidth = 2,
97};
98
99static void __init set_mtd_partitions(void)
100{
101 int nr_parts = 0;
102
103 simple_map_init(&rsk7203_flash_map);
104 flash_mtd = do_map_probe("cfi_probe", &rsk7203_flash_map);
105 nr_parts = parse_mtd_partitions(flash_mtd, probes,
106 &parsed_partitions, 0);
107 /* If there is no partition table, used the hard coded table */
108 if (nr_parts <= 0) {
109 flash_data.parts = rsk7203_partitions;
110 flash_data.nr_parts = ARRAY_SIZE(rsk7203_partitions);
111 } else {
112 flash_data.nr_parts = nr_parts;
113 flash_data.parts = parsed_partitions;
114 }
115}
116
117
118static struct platform_device *rsk7203_devices[] __initdata = {
119 &smc911x_device,
120 &flash_device,
121};
122
123static int __init rsk7203_devices_setup(void)
124{
125 set_mtd_partitions();
126 return platform_add_devices(rsk7203_devices,
127 ARRAY_SIZE(rsk7203_devices));
128}
129device_initcall(rsk7203_devices_setup);
130
131/*
132 * The Machine Vector
133 */
134static struct sh_machine_vector mv_rsk7203 __initmv = {
135 .mv_name = "RSK+7203",
136};