summaryrefslogtreecommitdiffstats
path: root/arch/sh/boards/board-edosk7760.c
blob: 35dc0994875d5f0e1196a37e6015b971f311459f (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
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
/*
 * Renesas Europe EDOSK7760 Board Support
 *
 * Copyright (C) 2008 SPES Societa' Progettazione Elettronica e Software Ltd.
 * Author: Luca Santini <luca.santini@spesonline.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
#include <linux/init.h>
#include <linux/types.h>
#include <linux/platform_device.h>
#include <linux/smc91x.h>
#include <linux/interrupt.h>
#include <linux/i2c.h>
#include <linux/mtd/physmap.h>
#include <asm/machvec.h>
#include <asm/io.h>
#include <asm/addrspace.h>
#include <asm/delay.h>
#include <asm/i2c-sh7760.h>
#include <asm/sizes.h>

/* Bus state controller registers for CS4 area */
#define BSC_CS4BCR	0xA4FD0010
#define BSC_CS4WCR	0xA4FD0030

#define SMC_IOBASE	0xA2000000
#define SMC_IO_OFFSET	0x300
#define SMC_IOADDR	(SMC_IOBASE + SMC_IO_OFFSET)

#define ETHERNET_IRQ	5

/* NOR flash */
static struct mtd_partition edosk7760_nor_flash_partitions[] = {
	{
		.name = "bootloader",
		.offset = 0,
		.size = SZ_256K,
		.mask_flags = MTD_WRITEABLE,	/* Read-only */
	}, {
		.name = "kernel",
		.offset = MTDPART_OFS_APPEND,
		.size = SZ_2M,
	}, {
		.name = "fs",
		.offset = MTDPART_OFS_APPEND,
		.size = SZ_26M,
	}, {
		.name = "other",
		.offset = MTDPART_OFS_APPEND,
		.size = MTDPART_SIZ_FULL,
	},
};

static struct physmap_flash_data edosk7760_nor_flash_data = {
	.width		= 4,
	.parts		= edosk7760_nor_flash_partitions,
	.nr_parts	= ARRAY_SIZE(edosk7760_nor_flash_partitions),
};

static struct resource edosk7760_nor_flash_resources[] = {
	[0] = {
		.name	= "NOR Flash",
		.start	= 0x00000000,
		.end	= 0x00000000 + SZ_32M - 1,
		.flags	= IORESOURCE_MEM,
	}
};

static struct platform_device edosk7760_nor_flash_device = {
	.name		= "physmap-flash",
	.resource	= edosk7760_nor_flash_resources,
	.num_resources	= ARRAY_SIZE(edosk7760_nor_flash_resources),
	.dev		= {
		.platform_data = &edosk7760_nor_flash_data,
	},
};

/* i2c initialization functions */
static struct sh7760_i2c_platdata i2c_pd = {
	.speed_khz	= 400,
};

static struct resource sh7760_i2c1_res[] = {
	{
		.start	= SH7760_I2C1_MMIO,
		.end	= SH7760_I2C1_MMIOEND,
		.flags	= IORESOURCE_MEM,
	},{
		.start	= SH7760_I2C1_IRQ,
		.end	= SH7760_I2C1_IRQ,
		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device sh7760_i2c1_dev = {
	.dev    = {
		.platform_data	= &i2c_pd,
	},

	.name		= SH7760_I2C_DEVNAME,
	.id		= 1,
	.resource	= sh7760_i2c1_res,
	.num_resources	= ARRAY_SIZE(sh7760_i2c1_res),
};

static struct resource sh7760_i2c0_res[] = {
	{
		.start	= SH7760_I2C0_MMIO,
		.end	= SH7760_I2C0_MMIOEND,
		.flags	= IORESOURCE_MEM,
	}, {
		.start	= SH7760_I2C0_IRQ,
		.end	= SH7760_I2C0_IRQ,
		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device sh7760_i2c0_dev = {
	.dev    = {
		.platform_data	= &i2c_pd,
	},
	.name		= SH7760_I2C_DEVNAME,
	.id		= 0,
	.resource	= sh7760_i2c0_res,
	.num_resources	= ARRAY_SIZE(sh7760_i2c0_res),
};

/* eth initialization functions */
static struct smc91x_platdata smc91x_info = {
	.flags = SMC91X_USE_16BIT | SMC91X_IO_SHIFT_1 | IORESOURCE_IRQ_LOWLEVEL,
};

static struct resource smc91x_res[] = {
	[0] = {
		.start	= SMC_IOADDR,
		.end	= SMC_IOADDR + SZ_32 - 1,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= ETHERNET_IRQ,
		.end	= ETHERNET_IRQ,
		.flags	= IORESOURCE_IRQ ,
	}
};

static struct platform_device smc91x_dev = {
	.name		= "smc91x",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(smc91x_res),
	.resource	= smc91x_res,

	.dev	= {
		.platform_data	= &smc91x_info,
	},
};

/* platform init code */
static struct platform_device *edosk7760_devices[] __initdata = {
	&smc91x_dev,
	&edosk7760_nor_flash_device,
	&sh7760_i2c0_dev,
	&sh7760_i2c1_dev,
};

static int __init init_edosk7760_devices(void)
{
	plat_irq_setup_pins(IRQ_MODE_IRQ);

	return platform_add_devices(edosk7760_devices,
				    ARRAY_SIZE(edosk7760_devices));
}
__initcall(init_edosk7760_devices);

/*
 * The Machine Vector
 */
struct sh_machine_vector mv_edosk7760 __initmv = {
	.mv_name	= "EDOSK7760",
	.mv_nr_irqs	= 128,
};
OpenPOWER on IntegriCloud