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
|
/*
* linux/arch/arm/mach-omap2/board-ldp.c
*
* Copyright (C) 2008 Texas Instruments Inc.
* Nishant Kamat <nskamat@ti.com>
*
* Modified from mach-omap2/board-3430sdp.c
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/input.h>
#include <linux/workqueue.h>
#include <linux/err.h>
#include <linux/clk.h>
#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>
#include <linux/i2c/twl4030.h>
#include <linux/io.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <mach/board-ldp.h>
#include <mach/mcspi.h>
#include <mach/gpio.h>
#include <mach/board.h>
#include <mach/common.h>
#include <mach/gpmc.h>
#include <asm/delay.h>
#include <mach/control.h>
#include "mmc-twl4030.h"
#define SDP3430_SMC91X_CS 3
static struct resource ldp_smc911x_resources[] = {
[0] = {
.start = OMAP34XX_ETHR_START,
.end = OMAP34XX_ETHR_START + SZ_4K,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = 0,
.end = 0,
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
},
};
static struct platform_device ldp_smc911x_device = {
.name = "smc911x",
.id = -1,
.num_resources = ARRAY_SIZE(ldp_smc911x_resources),
.resource = ldp_smc911x_resources,
};
static struct platform_device *ldp_devices[] __initdata = {
&ldp_smc911x_device,
};
static inline void __init ldp_init_smc911x(void)
{
int eth_cs;
unsigned long cs_mem_base;
int eth_gpio = 0;
eth_cs = LDP_SMC911X_CS;
if (gpmc_cs_request(eth_cs, SZ_16M, &cs_mem_base) < 0) {
printk(KERN_ERR "Failed to request GPMC mem for smc911x\n");
return;
}
ldp_smc911x_resources[0].start = cs_mem_base + 0x0;
ldp_smc911x_resources[0].end = cs_mem_base + 0xff;
udelay(100);
eth_gpio = LDP_SMC911X_GPIO;
ldp_smc911x_resources[1].start = OMAP_GPIO_IRQ(eth_gpio);
if (gpio_request(eth_gpio, "smc911x irq") < 0) {
printk(KERN_ERR "Failed to request GPIO%d for smc911x IRQ\n",
eth_gpio);
return;
}
gpio_direction_input(eth_gpio);
}
static void __init omap_ldp_init_irq(void)
{
omap2_init_common_hw(NULL);
omap_init_irq();
omap_gpio_init();
ldp_init_smc911x();
}
static struct omap_uart_config ldp_uart_config __initdata = {
.enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
};
static struct omap_board_config_kernel ldp_config[] __initdata = {
{ OMAP_TAG_UART, &ldp_uart_config },
};
static struct twl4030_gpio_platform_data ldp_gpio_data = {
.gpio_base = OMAP_MAX_GPIO_LINES,
.irq_base = TWL4030_GPIO_IRQ_BASE,
.irq_end = TWL4030_GPIO_IRQ_END,
};
static struct twl4030_platform_data ldp_twldata = {
.irq_base = TWL4030_IRQ_BASE,
.irq_end = TWL4030_IRQ_END,
/* platform_data for children goes here */
.gpio = &ldp_gpio_data,
};
static struct i2c_board_info __initdata ldp_i2c_boardinfo[] = {
{
I2C_BOARD_INFO("twl4030", 0x48),
.flags = I2C_CLIENT_WAKE,
.irq = INT_34XX_SYS_NIRQ,
.platform_data = &ldp_twldata,
},
};
static int __init omap_i2c_init(void)
{
omap_register_i2c_bus(1, 2600, ldp_i2c_boardinfo,
ARRAY_SIZE(ldp_i2c_boardinfo));
omap_register_i2c_bus(2, 400, NULL, 0);
omap_register_i2c_bus(3, 400, NULL, 0);
return 0;
}
static struct twl4030_hsmmc_info mmc[] __initdata = {
{
.mmc = 1,
.wires = 4,
.gpio_cd = -EINVAL,
.gpio_wp = -EINVAL,
},
{} /* Terminator */
};
static void __init omap_ldp_init(void)
{
omap_i2c_init();
platform_add_devices(ldp_devices, ARRAY_SIZE(ldp_devices));
omap_board_config = ldp_config;
omap_board_config_size = ARRAY_SIZE(ldp_config);
omap_serial_init();
twl4030_mmc_init(mmc);
}
static void __init omap_ldp_map_io(void)
{
omap2_set_globals_343x();
omap2_map_common_io();
}
MACHINE_START(OMAP_LDP, "OMAP LDP board")
.phys_io = 0x48000000,
.io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
.boot_params = 0x80000100,
.map_io = omap_ldp_map_io,
.init_irq = omap_ldp_init_irq,
.init_machine = omap_ldp_init,
.timer = &omap_timer,
MACHINE_END
|
