2 * Copyright (C) 2005 SAN People
3 * Copyright (C) 2008 Atmel
4 * Copyright (C) 2010 Lee McLoughlin - lee@lmmrtech.com
5 * Copyright (C) 2010 Sergio Tanzilli - tanzilli@acmesystems.it
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 #include <linux/types.h>
23 #include <linux/init.h>
25 #include <linux/module.h>
26 #include <linux/platform_device.h>
27 #include <linux/spi/spi.h>
28 #include <linux/spi/at73c213.h>
29 #include <linux/gpio.h>
30 #include <linux/gpio_keys.h>
31 #include <linux/input.h>
32 #include <linux/clk.h>
33 #include <linux/w1-gpio.h>
35 #include <mach/hardware.h>
36 #include <asm/setup.h>
37 #include <asm/mach-types.h>
40 #include <asm/mach/arch.h>
41 #include <asm/mach/map.h>
42 #include <asm/mach/irq.h>
44 #include <mach/board.h>
45 #include <mach/at91sam9_smc.h>
51 * The FOX Board G20 hardware comes as the "Netus G20" board with
52 * just the cpu, ram, dataflash and two header connectors.
53 * This is plugged into the FOX Board which provides the ethernet,
54 * usb, rtc, leds, switch, ...
56 * For more info visit: http://www.acmesystems.it/foxg20
60 static void __init foxg20_init_early(void)
62 /* Initialize processor: 18.432 MHz crystal */
63 at91_initialize(18432000);
69 static struct at91_usbh_data __initdata foxg20_usbh_data = {
71 .vbus_pin = {-EINVAL, -EINVAL},
72 .overcurrent_pin= {-EINVAL, -EINVAL},
78 static struct at91_udc_data __initdata foxg20_udc_data = {
79 .vbus_pin = AT91_PIN_PC6,
80 .pullup_pin = -EINVAL, /* pull-up driven by UDC */
87 static struct spi_board_info foxg20_spi_devices[] = {
88 #if !defined(CONFIG_MMC_AT91)
90 .modalias = "mtd_dataflash",
92 .max_speed_hz = 15 * 1000 * 1000,
100 * MACB Ethernet device
102 static struct macb_platform_data __initdata foxg20_macb_data = {
103 .phy_irq_pin = AT91_PIN_PA7,
109 * det_pin, wp_pin and vcc_pin are not connected
111 static struct at91_mmc_data __initdata foxg20_mmc_data = {
123 static struct gpio_led foxg20_leds[] = {
124 { /* user led, red */
126 .gpio = AT91_PIN_PC7,
128 .default_trigger = "heartbeat",
136 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
137 static struct gpio_keys_button foxg20_buttons[] = {
139 .gpio = AT91_PIN_PC4,
147 static struct gpio_keys_platform_data foxg20_button_data = {
148 .buttons = foxg20_buttons,
149 .nbuttons = ARRAY_SIZE(foxg20_buttons),
152 static struct platform_device foxg20_button_device = {
157 .platform_data = &foxg20_button_data,
161 static void __init foxg20_add_device_buttons(void)
163 at91_set_gpio_input(AT91_PIN_PC4, 1); /* btn1 */
164 at91_set_deglitch(AT91_PIN_PC4, 1);
166 platform_device_register(&foxg20_button_device);
169 static void __init foxg20_add_device_buttons(void) {}
173 #if defined(CONFIG_W1_MASTER_GPIO) || defined(CONFIG_W1_MASTER_GPIO_MODULE)
174 static struct w1_gpio_platform_data w1_gpio_pdata = {
175 /* If you choose to use a pin other than PB16 it needs to be 3.3V */
176 .pin = AT91_PIN_PB16,
180 static struct platform_device w1_device = {
183 .dev.platform_data = &w1_gpio_pdata,
186 static void __init at91_add_device_w1(void)
188 at91_set_GPIO_periph(w1_gpio_pdata.pin, 1);
189 at91_set_multi_drive(w1_gpio_pdata.pin, 1);
190 platform_device_register(&w1_device);
196 static struct i2c_board_info __initdata foxg20_i2c_devices[] = {
198 I2C_BOARD_INFO("24c512", 0x50),
203 static void __init foxg20_board_init(void)
206 /* DBGU on ttyS0. (Rx & Tx only) */
207 at91_register_uart(0, 0, 0);
209 /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
210 at91_register_uart(AT91SAM9260_ID_US0, 1,
218 /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */
219 at91_register_uart(AT91SAM9260_ID_US1, 2,
223 /* USART2 on ttyS3. (Rx & Tx only) */
224 at91_register_uart(AT91SAM9260_ID_US2, 3, 0);
226 /* USART3 on ttyS4. (Rx, Tx, RTS, CTS) */
227 at91_register_uart(AT91SAM9260_ID_US3, 4,
231 /* USART4 on ttyS5. (Rx & Tx only) */
232 at91_register_uart(AT91SAM9260_ID_US4, 5, 0);
234 /* USART5 on ttyS6. (Rx & Tx only) */
235 at91_register_uart(AT91SAM9260_ID_US5, 6, 0);
237 /* Set the internal pull-up resistor on DRXD */
238 at91_set_A_periph(AT91_PIN_PB14, 1);
239 at91_add_device_serial();
241 at91_add_device_usbh(&foxg20_usbh_data);
243 at91_add_device_udc(&foxg20_udc_data);
245 at91_add_device_spi(foxg20_spi_devices, ARRAY_SIZE(foxg20_spi_devices));
247 at91_add_device_eth(&foxg20_macb_data);
249 at91_add_device_mmc(0, &foxg20_mmc_data);
251 at91_add_device_i2c(foxg20_i2c_devices, ARRAY_SIZE(foxg20_i2c_devices));
253 at91_gpio_leds(foxg20_leds, ARRAY_SIZE(foxg20_leds));
255 foxg20_add_device_buttons();
256 #if defined(CONFIG_W1_MASTER_GPIO) || defined(CONFIG_W1_MASTER_GPIO_MODULE)
257 at91_add_device_w1();
261 MACHINE_START(ACMENETUSFOXG20, "Acme Systems srl FOX Board G20")
262 /* Maintainer: Sergio Tanzilli */
263 .timer = &at91sam926x_timer,
264 .map_io = at91_map_io,
265 .init_early = foxg20_init_early,
266 .init_irq = at91_init_irq_default,
267 .init_machine = foxg20_board_init,