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/at91sam9_smc.h>
35 void __init stamp9g20_init_early(void)
37 /* Initialize processor: 18.432 MHz crystal */
38 at91_initialize(18432000);
40 /* DGBU on ttyS0. (Rx & Tx only) */
41 at91_register_uart(0, 0, 0);
44 static void __init stamp9g20evb_init_early(void)
46 stamp9g20_init_early();
48 /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
49 at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
50 | ATMEL_UART_DTR | ATMEL_UART_DSR
51 | ATMEL_UART_DCD | ATMEL_UART_RI);
54 static void __init portuxg20_init_early(void)
56 stamp9g20_init_early();
58 /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
59 at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
60 | ATMEL_UART_DTR | ATMEL_UART_DSR
61 | ATMEL_UART_DCD | ATMEL_UART_RI);
63 /* USART1 on ttyS2. (Rx, Tx, CTS, RTS) */
64 at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS);
66 /* USART2 on ttyS3. (Rx, Tx, CTS, RTS) */
67 at91_register_uart(AT91SAM9260_ID_US2, 3, ATMEL_UART_CTS | ATMEL_UART_RTS);
69 /* USART4 on ttyS5. (Rx, Tx only) */
70 at91_register_uart(AT91SAM9260_ID_US4, 5, 0);
72 /* USART5 on ttyS6. (Rx, Tx only) */
73 at91_register_uart(AT91SAM9260_ID_US5, 6, 0);
79 static struct atmel_nand_data __initdata nand_data = {
82 .rdy_pin = AT91_PIN_PC13,
83 .enable_pin = AT91_PIN_PC14,
86 .ecc_mode = NAND_ECC_SOFT,
89 static struct sam9_smc_config __initdata nand_smc_config = {
103 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
107 static void __init add_device_nand(void)
109 /* configure chip-select 3 (NAND) */
110 sam9_smc_configure(0, 3, &nand_smc_config);
112 at91_add_device_nand(&nand_data);
118 * det_pin, wp_pin and vcc_pin are not connected
120 #if defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_ATMELMCI_MODULE)
121 static struct mci_platform_data __initdata mmc_data = {
129 static struct at91_mmc_data __initdata mmc_data = {
142 static struct at91_usbh_data __initdata usbh_data = {
144 .vbus_pin = {-EINVAL, -EINVAL},
145 .overcurrent_pin= {-EINVAL, -EINVAL},
152 static struct at91_udc_data __initdata portuxg20_udc_data = {
153 .vbus_pin = AT91_PIN_PC7,
154 .pullup_pin = -EINVAL, /* pull-up driven by UDC */
157 static struct at91_udc_data __initdata stamp9g20evb_udc_data = {
158 .vbus_pin = AT91_PIN_PA22,
159 .pullup_pin = -EINVAL, /* pull-up driven by UDC */
164 * MACB Ethernet device
166 static struct macb_platform_data __initdata macb_data = {
167 .phy_irq_pin = AT91_PIN_PA28,
175 static struct gpio_led portuxg20_leds[] = {
178 .gpio = AT91_PIN_PC5,
179 .default_trigger = "none",
182 .gpio = AT91_PIN_PC4,
183 .default_trigger = "none",
186 .gpio = AT91_PIN_PC10,
187 .default_trigger = "heartbeat",
191 static struct gpio_led stamp9g20evb_leds[] = {
194 .gpio = AT91_PIN_PB18,
196 .default_trigger = "none",
199 .gpio = AT91_PIN_PB19,
201 .default_trigger = "none",
204 .gpio = AT91_PIN_PB20,
206 .default_trigger = "heartbeat",
214 static struct spi_board_info portuxg20_spi_devices[] = {
216 .modalias = "spidev",
218 .max_speed_hz = 1 * 1000 * 1000,
221 .modalias = "spidev",
223 .max_speed_hz = 1 * 1000 * 1000,
232 static struct w1_gpio_platform_data w1_gpio_pdata = {
233 .pin = AT91_PIN_PA29,
237 static struct platform_device w1_device = {
240 .dev.platform_data = &w1_gpio_pdata,
245 at91_set_GPIO_periph(w1_gpio_pdata.pin, 1);
246 at91_set_multi_drive(w1_gpio_pdata.pin, 1);
247 platform_device_register(&w1_device);
251 void __init stamp9g20_board_init(void)
254 at91_add_device_serial();
258 #if defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_ATMELMCI_MODULE)
259 at91_add_device_mci(0, &mmc_data);
261 at91_add_device_mmc(0, &mmc_data);
267 static void __init portuxg20_board_init(void)
269 stamp9g20_board_init();
271 at91_add_device_usbh(&usbh_data);
273 at91_add_device_udc(&portuxg20_udc_data);
275 at91_add_device_eth(&macb_data);
277 at91_add_device_i2c(NULL, 0);
279 at91_add_device_spi(portuxg20_spi_devices, ARRAY_SIZE(portuxg20_spi_devices));
281 at91_gpio_leds(portuxg20_leds, ARRAY_SIZE(portuxg20_leds));
284 static void __init stamp9g20evb_board_init(void)
286 stamp9g20_board_init();
288 at91_add_device_usbh(&usbh_data);
290 at91_add_device_udc(&stamp9g20evb_udc_data);
292 at91_add_device_eth(&macb_data);
294 at91_add_device_i2c(NULL, 0);
296 at91_gpio_leds(stamp9g20evb_leds, ARRAY_SIZE(stamp9g20evb_leds));
299 MACHINE_START(PORTUXG20, "taskit PortuxG20")
300 /* Maintainer: taskit GmbH */
301 .timer = &at91sam926x_timer,
302 .map_io = at91_map_io,
303 .init_early = portuxg20_init_early,
304 .init_irq = at91_init_irq_default,
305 .init_machine = portuxg20_board_init,
308 MACHINE_START(STAMP9G20, "taskit Stamp9G20")
309 /* Maintainer: taskit GmbH */
310 .timer = &at91sam926x_timer,
311 .map_io = at91_map_io,
312 .init_early = stamp9g20evb_init_early,
313 .init_irq = at91_init_irq_default,
314 .init_machine = stamp9g20evb_board_init,