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
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
|
/*
* Copyright (C) 2005 SAN People
* Copyright (C) 2008 Atmel
* Copyright (C) 2010 Lee McLoughlin - lee@lmmrtech.com
* Copyright (C) 2010 Sergio Tanzilli - tanzilli@acmesystems.it
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/types.h>
#include <linux/init.h>
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/spi/spi.h>
#include <linux/spi/at73c213.h>
#include <linux/gpio.h>
#include <linux/gpio_keys.h>
#include <linux/input.h>
#include <linux/clk.h>
#include <linux/w1-gpio.h>
#include <mach/hardware.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
#include <asm/irq.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
#include <mach/board.h>
#include <mach/at91sam9_smc.h>
#include "sam9_smc.h"
#include "generic.h"
/*
* The FOX Board G20 hardware comes as the "Netus G20" board with
* just the cpu, ram, dataflash and two header connectors.
* This is plugged into the FOX Board which provides the ethernet,
* usb, rtc, leds, switch, ...
*
* For more info visit: http://www.acmesystems.it/foxg20
*/
static void __init foxg20_init_early(void)
{
/* Initialize processor: 18.432 MHz crystal */
at91_initialize(18432000);
/* DBGU on ttyS0. (Rx & Tx only) */
at91_register_uart(0, 0, 0);
/* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
at91_register_uart(AT91SAM9260_ID_US0, 1,
ATMEL_UART_CTS
| ATMEL_UART_RTS
| ATMEL_UART_DTR
| ATMEL_UART_DSR
| ATMEL_UART_DCD
| ATMEL_UART_RI);
/* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */
at91_register_uart(AT91SAM9260_ID_US1, 2,
ATMEL_UART_CTS
| ATMEL_UART_RTS);
/* USART2 on ttyS3. (Rx & Tx only) */
at91_register_uart(AT91SAM9260_ID_US2, 3, 0);
/* USART3 on ttyS4. (Rx, Tx, RTS, CTS) */
at91_register_uart(AT91SAM9260_ID_US3, 4,
ATMEL_UART_CTS
| ATMEL_UART_RTS);
/* USART4 on ttyS5. (Rx & Tx only) */
at91_register_uart(AT91SAM9260_ID_US4, 5, 0);
/* USART5 on ttyS6. (Rx & Tx only) */
at91_register_uart(AT91SAM9260_ID_US5, 6, 0);
/* set serial console to ttyS0 (ie, DBGU) */
at91_set_serial_console(0);
/* Set the internal pull-up resistor on DRXD */
at91_set_A_periph(AT91_PIN_PB14, 1);
}
static void __init foxg20_init_irq(void)
{
at91sam9260_init_interrupts(NULL);
}
/*
* USB Host port
*/
static struct at91_usbh_data __initdata foxg20_usbh_data = {
.ports = 2,
};
/*
* USB Device port
*/
static struct at91_udc_data __initdata foxg20_udc_data = {
.vbus_pin = AT91_PIN_PC6,
.pullup_pin = 0, /* pull-up driven by UDC */
};
/*
* SPI devices.
*/
static struct spi_board_info foxg20_spi_devices[] = {
#if !defined(CONFIG_MMC_AT91)
{
.modalias = "mtd_dataflash",
.chip_select = 1,
.max_speed_hz = 15 * 1000 * 1000,
.bus_num = 0,
},
#endif
};
/*
* MACB Ethernet device
*/
static struct at91_eth_data __initdata foxg20_macb_data = {
.phy_irq_pin = AT91_PIN_PA7,
.is_rmii = 1,
};
/*
* MCI (SD/MMC)
* det_pin, wp_pin and vcc_pin are not connected
*/
static struct at91_mmc_data __initdata foxg20_mmc_data = {
.slot_b = 1,
.wire4 = 1,
};
/*
* LEDs
*/
static struct gpio_led foxg20_leds[] = {
{ /* user led, red */
.name = "user_led",
.gpio = AT91_PIN_PC7,
.active_low = 0,
.default_trigger = "heartbeat",
},
};
/*
* GPIO Buttons
*/
#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
static struct gpio_keys_button foxg20_buttons[] = {
{
.gpio = AT91_PIN_PC4,
.code = BTN_1,
.desc = "Button 1",
.active_low = 1,
.wakeup = 1,
},
};
static struct gpio_keys_platform_data foxg20_button_data = {
.buttons = foxg20_buttons,
.nbuttons = ARRAY_SIZE(foxg20_buttons),
};
static struct platform_device foxg20_button_device = {
.name = "gpio-keys",
.id = -1,
.num_resources = 0,
.dev = {
.platform_data = &foxg20_button_data,
}
};
static void __init foxg20_add_device_buttons(void)
{
at91_set_gpio_input(AT91_PIN_PC4, 1); /* btn1 */
at91_set_deglitch(AT91_PIN_PC4, 1);
platform_device_register(&foxg20_button_device);
}
#else
static void __init foxg20_add_device_buttons(void) {}
#endif
#if defined(CONFIG_W1_MASTER_GPIO) || defined(CONFIG_W1_MASTER_GPIO_MODULE)
static struct w1_gpio_platform_data w1_gpio_pdata = {
/* If you choose to use a pin other than PB16 it needs to be 3.3V */
.pin = AT91_PIN_PB16,
.is_open_drain = 1,
};
static struct platform_device w1_device = {
.name = "w1-gpio",
.id = -1,
.dev.platform_data = &w1_gpio_pdata,
};
static void __init at91_add_device_w1(void)
{
at91_set_GPIO_periph(w1_gpio_pdata.pin, 1);
at91_set_multi_drive(w1_gpio_pdata.pin, 1);
platform_device_register(&w1_device);
}
#endif
static struct i2c_board_info __initdata foxg20_i2c_devices[] = {
{
I2C_BOARD_INFO("24c512", 0x50),
},
};
static void __init foxg20_board_init(void)
{
/* Serial */
at91_add_device_serial();
/* USB Host */
at91_add_device_usbh(&foxg20_usbh_data);
/* USB Device */
at91_add_device_udc(&foxg20_udc_data);
/* SPI */
at91_add_device_spi(foxg20_spi_devices, ARRAY_SIZE(foxg20_spi_devices));
/* Ethernet */
at91_add_device_eth(&foxg20_macb_data);
/* MMC */
at91_add_device_mmc(0, &foxg20_mmc_data);
/* I2C */
at91_add_device_i2c(foxg20_i2c_devices, ARRAY_SIZE(foxg20_i2c_devices));
/* LEDs */
at91_gpio_leds(foxg20_leds, ARRAY_SIZE(foxg20_leds));
/* Push Buttons */
foxg20_add_device_buttons();
#if defined(CONFIG_W1_MASTER_GPIO) || defined(CONFIG_W1_MASTER_GPIO_MODULE)
at91_add_device_w1();
#endif
}
MACHINE_START(ACMENETUSFOXG20, "Acme Systems srl FOX Board G20")
/* Maintainer: Sergio Tanzilli */
.timer = &at91sam926x_timer,
.map_io = at91_map_io,
.init_early = foxg20_init_early,
.init_irq = foxg20_init_irq,
.init_machine = foxg20_board_init,
MACHINE_END
|
