summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-omap2/devices.c
blob: b603bc5f8e5bad9f30314cad01ec92e77126ca60 (plain) (blame)
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
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
/*
 * linux/arch/arm/mach-omap2/devices.c
 *
 * OMAP2 platform device setup/initialization
 *
 * 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.
 */

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>

#include <asm/hardware.h>
#include <asm/io.h>
#include <asm/mach-types.h>
#include <asm/mach/map.h>

#include <asm/arch/tc.h>
#include <asm/arch/board.h>
#include <asm/arch/mux.h>
#include <asm/arch/gpio.h>

#if	defined(CONFIG_I2C_OMAP) || defined(CONFIG_I2C_OMAP_MODULE)

#define OMAP2_I2C_BASE2		0x48072000
#define OMAP2_I2C_INT2		57

static struct resource i2c_resources2[] = {
	{
		.start		= OMAP2_I2C_BASE2,
		.end		= OMAP2_I2C_BASE2 + 0x3f,
		.flags		= IORESOURCE_MEM,
	},
	{
		.start		= OMAP2_I2C_INT2,
		.flags		= IORESOURCE_IRQ,
	},
};

static struct platform_device omap_i2c_device2 = {
	.name           = "i2c_omap",
	.id             = 2,
	.num_resources	= ARRAY_SIZE(i2c_resources2),
	.resource	= i2c_resources2,
};

/* See also arch/arm/plat-omap/devices.c for first I2C on 24xx */
static void omap_init_i2c(void)
{
	/* REVISIT: Second I2C not in use on H4? */
	if (machine_is_omap_h4())
		return;

	if (!cpu_is_omap2430()) {
		omap_cfg_reg(J15_24XX_I2C2_SCL);
		omap_cfg_reg(H19_24XX_I2C2_SDA);
	}
	(void) platform_device_register(&omap_i2c_device2);
}

#else

static void omap_init_i2c(void) {}

#endif

#if defined(CONFIG_OMAP_DSP) || defined(CONFIG_OMAP_DSP_MODULE)
#define OMAP2_MBOX_BASE		IO_ADDRESS(OMAP24XX_MAILBOX_BASE)

static struct resource mbox_resources[] = {
	{
		.start		= OMAP2_MBOX_BASE,
		.end		= OMAP2_MBOX_BASE + 0x11f,
		.flags		= IORESOURCE_MEM,
	},
	{
		.start		= INT_24XX_MAIL_U0_MPU,
		.flags		= IORESOURCE_IRQ,
	},
	{
		.start		= INT_24XX_MAIL_U3_MPU,
		.flags		= IORESOURCE_IRQ,
	},
};

static struct platform_device mbox_device = {
	.name		= "mailbox",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(mbox_resources),
	.resource	= mbox_resources,
};

static inline void omap_init_mbox(void)
{
	platform_device_register(&mbox_device);
}
#else
static inline void omap_init_mbox(void) { }
#endif

#if defined(CONFIG_OMAP_STI)

#define OMAP2_STI_BASE		IO_ADDRESS(0x48068000)
#define OMAP2_STI_CHANNEL_BASE	0x54000000
#define OMAP2_STI_IRQ		4

static struct resource sti_resources[] = {
	{
		.start		= OMAP2_STI_BASE,
		.end		= OMAP2_STI_BASE + 0x7ff,
		.flags		= IORESOURCE_MEM,
	},
	{
		.start		= OMAP2_STI_CHANNEL_BASE,
		.end		= OMAP2_STI_CHANNEL_BASE + SZ_64K - 1,
		.flags		= IORESOURCE_MEM,
	},
	{
		.start		= OMAP2_STI_IRQ,
		.flags		= IORESOURCE_IRQ,
	}
};

static struct platform_device sti_device = {
	.name		= "sti",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(sti_resources),
	.resource	= sti_resources,
};

static inline void omap_init_sti(void)
{
	platform_device_register(&sti_device);
}
#else
static inline void omap_init_sti(void) {}
#endif

#if defined(CONFIG_SPI_OMAP24XX)

#include <asm/arch/mcspi.h>

#define OMAP2_MCSPI1_BASE		0x48098000
#define OMAP2_MCSPI2_BASE		0x4809a000

static struct omap2_mcspi_platform_config omap2_mcspi1_config = {
	.num_cs		= 4,
};

static struct resource omap2_mcspi1_resources[] = {
	{
		.start		= OMAP2_MCSPI1_BASE,
		.end		= OMAP2_MCSPI1_BASE + 0xff,
		.flags		= IORESOURCE_MEM,
	},
};

struct platform_device omap2_mcspi1 = {
	.name		= "omap2_mcspi",
	.id		= 1,
	.num_resources	= ARRAY_SIZE(omap2_mcspi1_resources),
	.resource	= omap2_mcspi1_resources,
	.dev		= {
		.platform_data = &omap2_mcspi1_config,
	},
};

static struct omap2_mcspi_platform_config omap2_mcspi2_config = {
	.num_cs		= 2,
};

static struct resource omap2_mcspi2_resources[] = {
	{
		.start		= OMAP2_MCSPI2_BASE,
		.end		= OMAP2_MCSPI2_BASE + 0xff,
		.flags		= IORESOURCE_MEM,
	},
};

struct platform_device omap2_mcspi2 = {
	.name		= "omap2_mcspi",
	.id		= 2,
	.num_resources	= ARRAY_SIZE(omap2_mcspi2_resources),
	.resource	= omap2_mcspi2_resources,
	.dev		= {
		.platform_data = &omap2_mcspi2_config,
	},
};

static void omap_init_mcspi(void)
{
	platform_device_register(&omap2_mcspi1);
	platform_device_register(&omap2_mcspi2);
}

#else
static inline void omap_init_mcspi(void) {}
#endif

/*-------------------------------------------------------------------------*/

static int __init omap2_init_devices(void)
{
	/* please keep these calls, and their implementations above,
	 * in alphabetical order so they're easier to sort through.
	 */
	omap_init_i2c();
	omap_init_mbox();
	omap_init_mcspi();
	omap_init_sti();

	return 0;
}
arch_initcall(omap2_init_devices);