2 * Copyright (C) 2010 Christian Glindkamp <christian.glindkamp@taskit.de>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 #include <linux/platform_device.h>
22 #include <linux/gpio.h>
23 #include <linux/w1-gpio.h>
25 #include <asm/mach-types.h>
26 #include <asm/mach/arch.h>
28 #include <mach/board.h>
29 #include <mach/at91_aic.h>
30 #include <mach/at91sam9_smc.h>
36 void __init stamp9g20_init_early(void)
38 /* Initialize processor: 18.432 MHz crystal */
39 at91_initialize(18432000);
45 static struct atmel_nand_data __initdata nand_data = {
48 .rdy_pin = AT91_PIN_PC13,
49 .enable_pin = AT91_PIN_PC14,
52 .ecc_mode = NAND_ECC_SOFT,
55 static struct sam9_smc_config __initdata nand_smc_config = {
69 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
73 static void __init add_device_nand(void)
75 /* configure chip-select 3 (NAND) */
76 sam9_smc_configure(0, 3, &nand_smc_config);
78 at91_add_device_nand(&nand_data);
84 * det_pin, wp_pin and vcc_pin are not connected
86 #if defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_ATMELMCI_MODULE)
87 static struct mci_platform_data __initdata mmc_data = {
95 static struct at91_mmc_data __initdata mmc_data = {
108 static struct at91_usbh_data __initdata usbh_data = {
110 .vbus_pin = {-EINVAL, -EINVAL},
111 .overcurrent_pin= {-EINVAL, -EINVAL},
118 static struct at91_udc_data __initdata portuxg20_udc_data = {
119 .vbus_pin = AT91_PIN_PC7,
120 .pullup_pin = -EINVAL, /* pull-up driven by UDC */
123 static struct at91_udc_data __initdata stamp9g20evb_udc_data = {
124 .vbus_pin = AT91_PIN_PA22,
125 .pullup_pin = -EINVAL, /* pull-up driven by UDC */
130 * MACB Ethernet device
132 static struct macb_platform_data __initdata macb_data = {
133 .phy_irq_pin = AT91_PIN_PA28,
141 static struct gpio_led portuxg20_leds[] = {
144 .gpio = AT91_PIN_PC5,
145 .default_trigger = "none",
148 .gpio = AT91_PIN_PC4,
149 .default_trigger = "none",
152 .gpio = AT91_PIN_PC10,
153 .default_trigger = "heartbeat",
157 static struct gpio_led stamp9g20evb_leds[] = {
160 .gpio = AT91_PIN_PB18,
162 .default_trigger = "none",
165 .gpio = AT91_PIN_PB19,
167 .default_trigger = "none",
170 .gpio = AT91_PIN_PB20,
172 .default_trigger = "heartbeat",
180 static struct spi_board_info portuxg20_spi_devices[] = {
182 .modalias = "spidev",
184 .max_speed_hz = 1 * 1000 * 1000,
187 .modalias = "spidev",
189 .max_speed_hz = 1 * 1000 * 1000,
198 static struct w1_gpio_platform_data w1_gpio_pdata = {
199 .pin = AT91_PIN_PA29,
203 static struct platform_device w1_device = {
206 .dev.platform_data = &w1_gpio_pdata,
211 at91_set_GPIO_periph(w1_gpio_pdata.pin, 1);
212 at91_set_multi_drive(w1_gpio_pdata.pin, 1);
213 platform_device_register(&w1_device);
217 void __init stamp9g20_board_init(void)
220 /* DGBU on ttyS0. (Rx & Tx only) */
221 at91_register_uart(0, 0, 0);
222 at91_add_device_serial();
226 #if defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_ATMELMCI_MODULE)
227 at91_add_device_mci(0, &mmc_data);
229 at91_add_device_mmc(0, &mmc_data);
235 static void __init portuxg20_board_init(void)
237 /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
238 at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
239 | ATMEL_UART_DTR | ATMEL_UART_DSR
240 | ATMEL_UART_DCD | ATMEL_UART_RI);
242 /* USART1 on ttyS2. (Rx, Tx, CTS, RTS) */
243 at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS);
245 /* USART2 on ttyS3. (Rx, Tx, CTS, RTS) */
246 at91_register_uart(AT91SAM9260_ID_US2, 3, ATMEL_UART_CTS | ATMEL_UART_RTS);
248 /* USART4 on ttyS5. (Rx, Tx only) */
249 at91_register_uart(AT91SAM9260_ID_US4, 5, 0);
251 /* USART5 on ttyS6. (Rx, Tx only) */
252 at91_register_uart(AT91SAM9260_ID_US5, 6, 0);
253 stamp9g20_board_init();
255 at91_add_device_usbh(&usbh_data);
257 at91_add_device_udc(&portuxg20_udc_data);
259 at91_add_device_eth(&macb_data);
261 at91_add_device_i2c(NULL, 0);
263 at91_add_device_spi(portuxg20_spi_devices, ARRAY_SIZE(portuxg20_spi_devices));
265 at91_gpio_leds(portuxg20_leds, ARRAY_SIZE(portuxg20_leds));
268 static void __init stamp9g20evb_board_init(void)
270 /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
271 at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
272 | ATMEL_UART_DTR | ATMEL_UART_DSR
273 | ATMEL_UART_DCD | ATMEL_UART_RI);
274 stamp9g20_board_init();
276 at91_add_device_usbh(&usbh_data);
278 at91_add_device_udc(&stamp9g20evb_udc_data);
280 at91_add_device_eth(&macb_data);
282 at91_add_device_i2c(NULL, 0);
284 at91_gpio_leds(stamp9g20evb_leds, ARRAY_SIZE(stamp9g20evb_leds));
287 MACHINE_START(PORTUXG20, "taskit PortuxG20")
288 /* Maintainer: taskit GmbH */
289 .timer = &at91sam926x_timer,
290 .map_io = at91_map_io,
291 .handle_irq = at91_aic_handle_irq,
292 .init_early = stamp9g20_init_early,
293 .init_irq = at91_init_irq_default,
294 .init_machine = portuxg20_board_init,
297 MACHINE_START(STAMP9G20, "taskit Stamp9G20")
298 /* Maintainer: taskit GmbH */
299 .timer = &at91sam926x_timer,
300 .map_io = at91_map_io,
301 .handle_irq = at91_aic_handle_irq,
302 .init_early = stamp9g20_init_early,
303 .init_irq = at91_init_irq_default,
304 .init_machine = stamp9g20evb_board_init,