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
|
/*
* arch/arm/mach-ep93xx/simone.c
* Simplemachines Sim.One support.
*
* Copyright (C) 2010 Ryan Mallon
*
* Based on the 2.6.24.7 support:
* Copyright (C) 2009 Simplemachines
* MMC support by Peter Ivanov <ivanovp@gmail.com>, 2007
*
* 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/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/i2c.h>
#include <linux/mmc/host.h>
#include <linux/spi/spi.h>
#include <linux/spi/mmc_spi.h>
#include <linux/platform_data/video-ep93xx.h>
#include <linux/platform_data/spi-ep93xx.h>
#include <linux/gpio.h>
#include <linux/gpio/machine.h>
#include <mach/hardware.h>
#include <mach/gpio-ep93xx.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include "soc.h"
static struct ep93xx_eth_data __initdata simone_eth_data = {
.phy_id = 1,
};
static struct ep93xxfb_mach_info __initdata simone_fb_info = {
.flags = EP93XXFB_USE_SDCSN0 | EP93XXFB_PCLK_FALLING,
};
static struct mmc_spi_platform_data simone_mmc_spi_data = {
.detect_delay = 500,
.ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
};
static struct gpiod_lookup_table simone_mmc_spi_gpio_table = {
.dev_id = "mmc_spi.0", /* "mmc_spi" @ CS0 */
.table = {
/* Card detect */
GPIO_LOOKUP_IDX("A", 0, NULL, 0, GPIO_ACTIVE_LOW),
{ },
},
};
static struct spi_board_info simone_spi_devices[] __initdata = {
{
.modalias = "mmc_spi",
.platform_data = &simone_mmc_spi_data,
/*
* We use 10 MHz even though the maximum is 3.7 MHz. The driver
* will limit it automatically to max. frequency.
*/
.max_speed_hz = 10 * 1000 * 1000,
.bus_num = 0,
.chip_select = 0,
.mode = SPI_MODE_3,
},
};
/*
* Up to v1.3, the Sim.One used SFRMOUT as SD card chip select, but this goes
* low between multi-message command blocks. From v1.4, it uses a GPIO instead.
* v1.3 parts will still work, since the signal on SFRMOUT is automatic.
*/
static int simone_spi_chipselects[] __initdata = {
EP93XX_GPIO_LINE_EGPIO1,
};
static struct ep93xx_spi_info simone_spi_info __initdata = {
.chipselect = simone_spi_chipselects,
.num_chipselect = ARRAY_SIZE(simone_spi_chipselects),
.use_dma = 1,
};
static struct i2c_board_info __initdata simone_i2c_board_info[] = {
{
I2C_BOARD_INFO("ds1337", 0x68),
},
};
static struct platform_device simone_audio_device = {
.name = "simone-audio",
.id = -1,
};
static void __init simone_register_audio(void)
{
ep93xx_register_ac97();
platform_device_register(&simone_audio_device);
}
static void __init simone_init_machine(void)
{
ep93xx_init_devices();
ep93xx_register_flash(2, EP93XX_CS6_PHYS_BASE, SZ_8M);
ep93xx_register_eth(&simone_eth_data, 1);
ep93xx_register_fb(&simone_fb_info);
ep93xx_register_i2c(simone_i2c_board_info,
ARRAY_SIZE(simone_i2c_board_info));
gpiod_add_lookup_table(&simone_mmc_spi_gpio_table);
ep93xx_register_spi(&simone_spi_info, simone_spi_devices,
ARRAY_SIZE(simone_spi_devices));
simone_register_audio();
}
MACHINE_START(SIM_ONE, "Simplemachines Sim.One Board")
/* Maintainer: Ryan Mallon */
.atag_offset = 0x100,
.map_io = ep93xx_map_io,
.init_irq = ep93xx_init_irq,
.init_time = ep93xx_timer_init,
.init_machine = simone_init_machine,
.init_late = ep93xx_init_late,
.restart = ep93xx_restart,
MACHINE_END
|
