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);
43 /* set serial console to ttyS0 (ie, DBGU) */
44 at91_set_serial_console(0);
47 static void __init
stamp9g20evb_init_early(void)
49 stamp9g20_init_early();
51 /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
52 at91_register_uart(AT91SAM9260_ID_US0
, 1, ATMEL_UART_CTS
| ATMEL_UART_RTS
53 | ATMEL_UART_DTR
| ATMEL_UART_DSR
54 | ATMEL_UART_DCD
| ATMEL_UART_RI
);
57 static void __init
portuxg20_init_early(void)
59 stamp9g20_init_early();
61 /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
62 at91_register_uart(AT91SAM9260_ID_US0
, 1, ATMEL_UART_CTS
| ATMEL_UART_RTS
63 | ATMEL_UART_DTR
| ATMEL_UART_DSR
64 | ATMEL_UART_DCD
| ATMEL_UART_RI
);
66 /* USART1 on ttyS2. (Rx, Tx, CTS, RTS) */
67 at91_register_uart(AT91SAM9260_ID_US1
, 2, ATMEL_UART_CTS
| ATMEL_UART_RTS
);
69 /* USART2 on ttyS3. (Rx, Tx, CTS, RTS) */
70 at91_register_uart(AT91SAM9260_ID_US2
, 3, ATMEL_UART_CTS
| ATMEL_UART_RTS
);
72 /* USART4 on ttyS5. (Rx, Tx only) */
73 at91_register_uart(AT91SAM9260_ID_US4
, 5, 0);
75 /* USART5 on ttyS6. (Rx, Tx only) */
76 at91_register_uart(AT91SAM9260_ID_US5
, 6, 0);
82 static struct atmel_nand_data __initdata nand_data
= {
85 .rdy_pin
= AT91_PIN_PC13
,
86 .enable_pin
= AT91_PIN_PC14
,
91 static struct sam9_smc_config __initdata nand_smc_config
= {
105 .mode
= AT91_SMC_READMODE
| AT91_SMC_WRITEMODE
| AT91_SMC_EXNWMODE_DISABLE
| AT91_SMC_DBW_8
,
109 static void __init
add_device_nand(void)
111 /* configure chip-select 3 (NAND) */
112 sam9_smc_configure(0, 3, &nand_smc_config
);
114 at91_add_device_nand(&nand_data
);
120 * det_pin, wp_pin and vcc_pin are not connected
122 #if defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_ATMELMCI_MODULE)
123 static struct mci_platform_data __initdata mmc_data
= {
131 static struct at91_mmc_data __initdata mmc_data
= {
144 static struct at91_usbh_data __initdata usbh_data
= {
146 .vbus_pin
= {-EINVAL
, -EINVAL
},
147 .overcurrent_pin
= {-EINVAL
, -EINVAL
},
154 static struct at91_udc_data __initdata portuxg20_udc_data
= {
155 .vbus_pin
= AT91_PIN_PC7
,
156 .pullup_pin
= -EINVAL
, /* pull-up driven by UDC */
159 static struct at91_udc_data __initdata stamp9g20evb_udc_data
= {
160 .vbus_pin
= AT91_PIN_PA22
,
161 .pullup_pin
= -EINVAL
, /* pull-up driven by UDC */
166 * MACB Ethernet device
168 static struct macb_platform_data __initdata macb_data
= {
169 .phy_irq_pin
= AT91_PIN_PA28
,
177 static struct gpio_led portuxg20_leds
[] = {
180 .gpio
= AT91_PIN_PC5
,
181 .default_trigger
= "none",
184 .gpio
= AT91_PIN_PC4
,
185 .default_trigger
= "none",
188 .gpio
= AT91_PIN_PC10
,
189 .default_trigger
= "heartbeat",
193 static struct gpio_led stamp9g20evb_leds
[] = {
196 .gpio
= AT91_PIN_PB18
,
198 .default_trigger
= "none",
201 .gpio
= AT91_PIN_PB19
,
203 .default_trigger
= "none",
206 .gpio
= AT91_PIN_PB20
,
208 .default_trigger
= "heartbeat",
216 static struct spi_board_info portuxg20_spi_devices
[] = {
218 .modalias
= "spidev",
220 .max_speed_hz
= 1 * 1000 * 1000,
223 .modalias
= "spidev",
225 .max_speed_hz
= 1 * 1000 * 1000,
234 static struct w1_gpio_platform_data w1_gpio_pdata
= {
235 .pin
= AT91_PIN_PA29
,
239 static struct platform_device w1_device
= {
242 .dev
.platform_data
= &w1_gpio_pdata
,
247 at91_set_GPIO_periph(w1_gpio_pdata
.pin
, 1);
248 at91_set_multi_drive(w1_gpio_pdata
.pin
, 1);
249 platform_device_register(&w1_device
);
253 void __init
stamp9g20_board_init(void)
256 at91_add_device_serial();
260 #if defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_ATMELMCI_MODULE)
261 at91_add_device_mci(0, &mmc_data
);
263 at91_add_device_mmc(0, &mmc_data
);
269 static void __init
portuxg20_board_init(void)
271 stamp9g20_board_init();
273 at91_add_device_usbh(&usbh_data
);
275 at91_add_device_udc(&portuxg20_udc_data
);
277 at91_add_device_eth(&macb_data
);
279 at91_add_device_i2c(NULL
, 0);
281 at91_add_device_spi(portuxg20_spi_devices
, ARRAY_SIZE(portuxg20_spi_devices
));
283 at91_gpio_leds(portuxg20_leds
, ARRAY_SIZE(portuxg20_leds
));
286 static void __init
stamp9g20evb_board_init(void)
288 stamp9g20_board_init();
290 at91_add_device_usbh(&usbh_data
);
292 at91_add_device_udc(&stamp9g20evb_udc_data
);
294 at91_add_device_eth(&macb_data
);
296 at91_add_device_i2c(NULL
, 0);
298 at91_gpio_leds(stamp9g20evb_leds
, ARRAY_SIZE(stamp9g20evb_leds
));
301 MACHINE_START(PORTUXG20
, "taskit PortuxG20")
302 /* Maintainer: taskit GmbH */
303 .timer
= &at91sam926x_timer
,
304 .map_io
= at91_map_io
,
305 .init_early
= portuxg20_init_early
,
306 .init_irq
= at91_init_irq_default
,
307 .init_machine
= portuxg20_board_init
,
310 MACHINE_START(STAMP9G20
, "taskit Stamp9G20")
311 /* Maintainer: taskit GmbH */
312 .timer
= &at91sam926x_timer
,
313 .map_io
= at91_map_io
,
314 .init_early
= stamp9g20evb_init_early
,
315 .init_irq
= at91_init_irq_default
,
316 .init_machine
= stamp9g20evb_board_init
,