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
|
/*
* arch/arm/mach-imx/mach-mx1ads.c
*
* Initially based on:
* linux-2.6.7-imx/arch/arm/mach-imx/scb9328.c
* Copyright (c) 2004 Sascha Hauer <sascha@saschahauer.de>
*
* 2004 (c) MontaVista Software, Inc.
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#include <linux/i2c.h>
#include <linux/i2c/pcf857x.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/mtd/physmap.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include <mach/common.h>
#include <mach/hardware.h>
#include <mach/i2c.h>
#include <mach/imx-uart.h>
#include <mach/iomux-mx1.h>
#include <mach/irqs.h>
#include "devices.h"
static int mx1ads_pins[] = {
/* UART1 */
PC9_PF_UART1_CTS,
PC10_PF_UART1_RTS,
PC11_PF_UART1_TXD,
PC12_PF_UART1_RXD,
/* UART2 */
PB28_PF_UART2_CTS,
PB29_PF_UART2_RTS,
PB30_PF_UART2_TXD,
PB31_PF_UART2_RXD,
/* I2C */
PA15_PF_I2C_SDA,
PA16_PF_I2C_SCL,
/* SPI */
PC13_PF_SPI1_SPI_RDY,
PC14_PF_SPI1_SCLK,
PC15_PF_SPI1_SS,
PC16_PF_SPI1_MISO,
PC17_PF_SPI1_MOSI,
};
/*
* UARTs platform data
*/
static struct imxuart_platform_data uart_pdata[] = {
{
.flags = IMXUART_HAVE_RTSCTS,
}, {
.flags = IMXUART_HAVE_RTSCTS,
},
};
/*
* Physmap flash
*/
static struct physmap_flash_data mx1ads_flash_data = {
.width = 4, /* bankwidth in bytes */
};
static struct resource flash_resource = {
.start = MX1_CS0_PHYS,
.end = MX1_CS0_PHYS + SZ_32M - 1,
.flags = IORESOURCE_MEM,
};
static struct platform_device flash_device = {
.name = "physmap-flash",
.id = 0,
.resource = &flash_resource,
.num_resources = 1,
};
/*
* I2C
*/
static struct pcf857x_platform_data pcf857x_data[] = {
{
.gpio_base = 4 * 32,
}, {
.gpio_base = 4 * 32 + 16,
}
};
static struct imxi2c_platform_data mx1ads_i2c_data = {
.bitrate = 100000,
};
static struct i2c_board_info mx1ads_i2c_devices[] = {
{
I2C_BOARD_INFO("pcf8575", 0x22),
.platform_data = &pcf857x_data[0],
}, {
I2C_BOARD_INFO("pcf8575", 0x24),
.platform_data = &pcf857x_data[1],
},
};
/*
* Board init
*/
static void __init mx1ads_init(void)
{
mxc_gpio_setup_multiple_pins(mx1ads_pins,
ARRAY_SIZE(mx1ads_pins), "mx1ads");
/* UART */
mxc_register_device(&imx1_uart_device0, &uart_pdata[0]);
mxc_register_device(&imx1_uart_device1, &uart_pdata[1]);
/* Physmap flash */
mxc_register_device(&flash_device, &mx1ads_flash_data);
/* I2C */
i2c_register_board_info(0, mx1ads_i2c_devices,
ARRAY_SIZE(mx1ads_i2c_devices));
mxc_register_device(&imx_i2c_device0, &mx1ads_i2c_data);
}
static void __init mx1ads_timer_init(void)
{
mx1_clocks_init(32000);
}
struct sys_timer mx1ads_timer = {
.init = mx1ads_timer_init,
};
MACHINE_START(MX1ADS, "Freescale MX1ADS")
/* Maintainer: Sascha Hauer, Pengutronix */
.phys_io = MX1_IO_BASE_ADDR,
.io_pg_offst = (MX1_IO_BASE_ADDR_VIRT >> 18) & 0xfffc,
.boot_params = MX1_PHYS_OFFSET + 0x100,
.map_io = mx1_map_io,
.init_irq = mx1_init_irq,
.timer = &mx1ads_timer,
.init_machine = mx1ads_init,
MACHINE_END
MACHINE_START(MXLADS, "Freescale MXLADS")
.phys_io = MX1_IO_BASE_ADDR,
.io_pg_offst = (MX1_IO_BASE_ADDR_VIRT >> 18) & 0xfffc,
.boot_params = MX1_PHYS_OFFSET + 0x100,
.map_io = mx1_map_io,
.init_irq = mx1_init_irq,
.timer = &mx1ads_timer,
.init_machine = mx1ads_init,
MACHINE_END
|
