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
|
/*
* Copyright (C) 2009-2010 Freescale Semiconductor, Inc. All Rights Reserved.
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/io.h>
#include <linux/clk.h>
#include <linux/platform_device.h>
#include <linux/i2c.h>
#include <linux/spi/spi.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <mach/hardware.h>
#include <mach/device.h>
#include <mach/pinctrl.h>
#include <mach/regs-ocotp.h>
#include "device.h"
#include "mx23evk.h"
#include "mx23_pins.h"
static struct mxs_mma7450_platform_data mma7450_platdata = {
.reg_dvdd_io = "vddio",
.reg_avdd = "vdda",
.gpio_pin_get = mx23evk_mma7450_pin_init,
.gpio_pin_put = mx23evk_mma7450_pin_release,
/* int1 and int2 will be initialized in
i2c_device_init */
.int1 = 0,
.int2 = 0,
};
static struct i2c_board_info __initdata mma7450_i2c_device = {
I2C_BOARD_INFO("mma7450", 0x3A),
.platform_data = (void *)&mma7450_platdata,
};
static void i2c_device_init(void)
{
mma7450_platdata.int1 = gpio_to_irq(MXS_PIN_TO_GPIO(PINID_GPMI_D14));
mma7450_platdata.int2 = gpio_to_irq(MXS_PIN_TO_GPIO(PINID_GPMI_D15));
i2c_register_board_info(0, &mma7450_i2c_device, 1);
}
static struct mxs_spi_platform_data enc_data = {
.hw_pin_init = mxs_spi_enc_pin_init,
.hw_pin_release = mxs_spi_enc_pin_release,
};
static struct spi_board_info spi_board_info[] __initdata = {
#if defined(CONFIG_ENC28J60) || defined(CONFIG_ENC28J60_MODULE)
{
.modalias = "enc28j60",
.max_speed_hz = 6 * 1000 * 1000,
.bus_num = 1,
.chip_select = 0,
.platform_data = &enc_data,
},
#endif
};
static void spi_device_init(void)
{
spi_board_info[0].irq = gpio_to_irq(MXS_PIN_TO_GPIO(PINID_SSP1_DATA1));
spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
}
static void __init fixup_board(struct machine_desc *desc, struct tag *tags,
char **cmdline, struct meminfo *mi)
{
mx23_set_input_clk(24000000, 24000000, 32000, 50000000);
}
#if defined(CONFIG_SND_MXS_SOC_ADC) || defined(CONFIG_SND_MXS_SOC_ADC_MODULE)
static void __init mx23evk_init_adc(void)
{
struct platform_device *pdev;
pdev = mxs_get_device("mxs-adc", 0);
if (pdev == NULL)
return;
mxs_add_device(pdev, 3);
}
#else
static void __init mx23evk_init_adc(void)
{
}
#endif
#define REGS_OCOTP_BASE IO_ADDRESS(OCOTP_PHYS_ADDR)
int get_evk_board_version()
{
int boardid;
boardid = __raw_readl(REGS_OCOTP_BASE + HW_OCOTP_CUSTCAP);
boardid &= 0x30000000;
boardid = boardid >> 28;
return boardid;
}
EXPORT_SYMBOL_GPL(get_evk_board_version);
static void __init mx23evk_device_init(void)
{
/* Add mx23evk special code */
i2c_device_init();
spi_device_init();
mx23evk_init_adc();
}
static void __init mx23evk_init_machine(void)
{
mx23_pinctrl_init();
/* Init iram allocate */
#ifdef CONFIG_VECTORS_PHY_ADDR
/* reserve the first page for irq vectors table*/
iram_init(MX23_OCRAM_PHBASE + PAGE_SIZE, MX23_OCRAM_SIZE - PAGE_SIZE);
#else
iram_init(MX23_OCRAM_PHBASE, MX23_OCRAM_SIZE);
#endif
mx23_gpio_init();
mx23evk_pins_init();
mx23evk_mma7450_pin_init();
mx23_device_init();
mx23evk_device_init();
}
MACHINE_START(MX23EVK, "Freescale MX23EVK board")
.phys_io = 0x80000000,
.io_pg_offst = ((0xf0000000) >> 18) & 0xfffc,
.boot_params = 0x40000100,
.fixup = fixup_board,
.map_io = mx23_map_io,
.init_irq = mx23_irq_init,
.init_machine = mx23evk_init_machine,
.timer = &mx23_timer.timer,
MACHINE_END
|
