1/*
2 * linux/arch/arm/mach-omap2/devices.c
3 *
4 * OMAP2 platform device setup/initialization
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 */
11
12#include <linux/module.h>
13#include <linux/kernel.h>
14#include <linux/init.h>
15#include <linux/platform_device.h>
16
17#include <asm/hardware.h>
18#include <asm/io.h>
19#include <asm/mach-types.h>
20#include <asm/mach/map.h>
21
22#include <asm/arch/tc.h>
23#include <asm/arch/board.h>
24#include <asm/arch/mux.h>
25#include <asm/arch/gpio.h>
26
27#if	defined(CONFIG_I2C_OMAP) || defined(CONFIG_I2C_OMAP_MODULE)
28
29#define OMAP2_I2C_BASE2		0x48072000
30#define OMAP2_I2C_INT2		57
31
32static struct resource i2c_resources2[] = {
33	{
34		.start		= OMAP2_I2C_BASE2,
35		.end		= OMAP2_I2C_BASE2 + 0x3f,
36		.flags		= IORESOURCE_MEM,
37	},
38	{
39		.start		= OMAP2_I2C_INT2,
40		.flags		= IORESOURCE_IRQ,
41	},
42};
43
44static struct platform_device omap_i2c_device2 = {
45	.name           = "i2c_omap",
46	.id             = 2,
47	.num_resources	= ARRAY_SIZE(i2c_resources2),
48	.resource	= i2c_resources2,
49};
50
51/* See also arch/arm/plat-omap/devices.c for first I2C on 24xx */
52static void omap_init_i2c(void)
53{
54	/* REVISIT: Second I2C not in use on H4? */
55	if (machine_is_omap_h4())
56		return;
57
58	omap_cfg_reg(J15_24XX_I2C2_SCL);
59	omap_cfg_reg(H19_24XX_I2C2_SDA);
60	(void) platform_device_register(&omap_i2c_device2);
61}
62
63#else
64
65static void omap_init_i2c(void) {}
66
67#endif
68
69#if defined(CONFIG_OMAP_DSP) || defined(CONFIG_OMAP_DSP_MODULE)
70#define OMAP2_MBOX_BASE		IO_ADDRESS(OMAP24XX_MAILBOX_BASE)
71
72static struct resource mbox_resources[] = {
73	{
74		.start		= OMAP2_MBOX_BASE,
75		.end		= OMAP2_MBOX_BASE + 0x11f,
76		.flags		= IORESOURCE_MEM,
77	},
78	{
79		.start		= INT_24XX_MAIL_U0_MPU,
80		.flags		= IORESOURCE_IRQ,
81	},
82	{
83		.start		= INT_24XX_MAIL_U3_MPU,
84		.flags		= IORESOURCE_IRQ,
85	},
86};
87
88static struct platform_device mbox_device = {
89	.name		= "mailbox",
90	.id		= -1,
91	.num_resources	= ARRAY_SIZE(mbox_resources),
92	.resource	= mbox_resources,
93};
94
95static inline void omap_init_mbox(void)
96{
97	platform_device_register(&mbox_device);
98}
99#else
100static inline void omap_init_mbox(void) { }
101#endif
102
103#if defined(CONFIG_OMAP_STI)
104
105#define OMAP2_STI_BASE		IO_ADDRESS(0x48068000)
106#define OMAP2_STI_CHANNEL_BASE	0x54000000
107#define OMAP2_STI_IRQ		4
108
109static struct resource sti_resources[] = {
110	{
111		.start		= OMAP2_STI_BASE,
112		.end		= OMAP2_STI_BASE + 0x7ff,
113		.flags		= IORESOURCE_MEM,
114	},
115	{
116		.start		= OMAP2_STI_CHANNEL_BASE,
117		.end		= OMAP2_STI_CHANNEL_BASE + SZ_64K - 1,
118		.flags		= IORESOURCE_MEM,
119	},
120	{
121		.start		= OMAP2_STI_IRQ,
122		.flags		= IORESOURCE_IRQ,
123	}
124};
125
126static struct platform_device sti_device = {
127	.name		= "sti",
128	.id		= -1,
129	.num_resources	= ARRAY_SIZE(sti_resources),
130	.resource	= sti_resources,
131};
132
133static inline void omap_init_sti(void)
134{
135	platform_device_register(&sti_device);
136}
137#else
138static inline void omap_init_sti(void) {}
139#endif
140
141#if defined(CONFIG_SPI_OMAP24XX)
142
143#include <asm/arch/mcspi.h>
144
145#define OMAP2_MCSPI1_BASE		0x48098000
146#define OMAP2_MCSPI2_BASE		0x4809a000
147
148static struct omap2_mcspi_platform_config omap2_mcspi1_config = {
149	.num_cs		= 4,
150};
151
152static struct resource omap2_mcspi1_resources[] = {
153	{
154		.start		= OMAP2_MCSPI1_BASE,
155		.end		= OMAP2_MCSPI1_BASE + 0xff,
156		.flags		= IORESOURCE_MEM,
157	},
158};
159
160struct platform_device omap2_mcspi1 = {
161	.name		= "omap2_mcspi",
162	.id		= 1,
163	.num_resources	= ARRAY_SIZE(omap2_mcspi1_resources),
164	.resource	= omap2_mcspi1_resources,
165	.dev		= {
166		.platform_data = &omap2_mcspi1_config,
167	},
168};
169
170static struct omap2_mcspi_platform_config omap2_mcspi2_config = {
171	.num_cs		= 2,
172};
173
174static struct resource omap2_mcspi2_resources[] = {
175	{
176		.start		= OMAP2_MCSPI2_BASE,
177		.end		= OMAP2_MCSPI2_BASE + 0xff,
178		.flags		= IORESOURCE_MEM,
179	},
180};
181
182struct platform_device omap2_mcspi2 = {
183	.name		= "omap2_mcspi",
184	.id		= 2,
185	.num_resources	= ARRAY_SIZE(omap2_mcspi2_resources),
186	.resource	= omap2_mcspi2_resources,
187	.dev		= {
188		.platform_data = &omap2_mcspi2_config,
189	},
190};
191
192static void omap_init_mcspi(void)
193{
194	platform_device_register(&omap2_mcspi1);
195	platform_device_register(&omap2_mcspi2);
196}
197
198#else
199static inline void omap_init_mcspi(void) {}
200#endif
201
202/*-------------------------------------------------------------------------*/
203
204static int __init omap2_init_devices(void)
205{
206	/* please keep these calls, and their implementations above,
207	 * in alphabetical order so they're easier to sort through.
208	 */
209	omap_init_i2c();
210	omap_init_mbox();
211	omap_init_mcspi();
212	omap_init_sti();
213
214	return 0;
215}
216arch_initcall(omap2_init_devices);
217