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
|
/*
* 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 <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/io.h>
#include <asm/delay.h>
#include <mach/control.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 + 0xf;
udelay(100);
eth_gpio = LDP_SMC911X_GPIO;
ldp_smc911x_resources[1].start = OMAP_GPIO_IRQ(eth_gpio);
if (omap_request_gpio(eth_gpio) < 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();
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 int __init omap_i2c_init(void)
{
omap_register_i2c_bus(1, 2600, NULL, 0);
omap_register_i2c_bus(2, 400, NULL, 0);
omap_register_i2c_bus(3, 400, NULL, 0);
return 0;
}
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();
}
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
|
