aboutsummaryrefslogtreecommitdiff
path: root/arch/sh/boards/board-rsk7203.c
blob: ffbedc59a9738e0bcbf2ce7cc0fd283af4db4156 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
/*
 * Renesas Technology Europe RSK+ 7203 Support.
 *
 * Copyright (C) 2008 Paul Mundt
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 */
#include <linux/init.h>
#include <linux/types.h>
#include <linux/platform_device.h>
#include <linux/interrupt.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <linux/mtd/map.h>
#include <linux/smc911x.h>
#include <asm/machvec.h>
#include <asm/io.h>

static struct smc911x_platdata smc911x_info = {
	.flags		= SMC911X_USE_16BIT,
	.irq_flags	= IRQF_TRIGGER_LOW,
};

static struct resource smc911x_resources[] = {
	[0] = {
		.start		= 0x24000000,
		.end		= 0x24000000 + 0x100,
		.flags		= IORESOURCE_MEM,
	},
	[1] = {
		.start		= 64,
		.end		= 64,
		.flags		= IORESOURCE_IRQ,
	},
};

static struct platform_device smc911x_device = {
	.name		= "smc911x",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(smc911x_resources),
	.resource	= smc911x_resources,
	.dev		= {
		.platform_data = &smc911x_info,
	},
};

static const char *probes[] = { "cmdlinepart", NULL };

static struct mtd_partition *parsed_partitions;

static struct mtd_partition rsk7203_partitions[] = {
	{
		.name		= "Bootloader",
		.offset		= 0x00000000,
		.size		= 0x00040000,
		.mask_flags	= MTD_WRITEABLE,
	}, {
		.name		= "Kernel",
		.offset		= MTDPART_OFS_NXTBLK,
		.size		= 0x001c0000,
	}, {
		.name		= "Flash_FS",
		.offset		= MTDPART_OFS_NXTBLK,
		.size		= MTDPART_SIZ_FULL,
	}
};

static struct physmap_flash_data flash_data = {
	.width		= 2,
};

static struct resource flash_resource = {
	.start		= 0x20000000,
	.end		= 0x20400000,
	.flags		= IORESOURCE_MEM,
};

static struct platform_device flash_device = {
	.name		= "physmap-flash",
	.id		= -1,
	.resource	= &flash_resource,
	.num_resources	= 1,
	.dev		= {
		.platform_data = &flash_data,
	},
};

static struct mtd_info *flash_mtd;

static struct map_info rsk7203_flash_map = {
	.name		= "RSK+ Flash",
	.size		= 0x400000,
	.bankwidth	= 2,
};

static void __init set_mtd_partitions(void)
{
	int nr_parts = 0;

	simple_map_init(&rsk7203_flash_map);
	flash_mtd = do_map_probe("cfi_probe", &rsk7203_flash_map);
	nr_parts = parse_mtd_partitions(flash_mtd, probes,
					&parsed_partitions, 0);
	/* If there is no partition table, used the hard coded table */
	if (nr_parts <= 0) {
		flash_data.parts = rsk7203_partitions;
		flash_data.nr_parts = ARRAY_SIZE(rsk7203_partitions);
	} else {
		flash_data.nr_parts = nr_parts;
		flash_data.parts = parsed_partitions;
	}
}


static struct platform_device *rsk7203_devices[] __initdata = {
	&smc911x_device,
	&flash_device,
};

static int __init rsk7203_devices_setup(void)
{
	set_mtd_partitions();
	return platform_add_devices(rsk7203_devices,
				    ARRAY_SIZE(rsk7203_devices));
}
device_initcall(rsk7203_devices_setup);

/*
 * The Machine Vector
 */
static struct sh_machine_vector mv_rsk7203 __initmv = {
	.mv_name        = "RSK+7203",
};