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 static void __init
portuxg20_map_io(void)
37 /* Initialize processor: 18.432 MHz crystal */
38 at91sam9260_initialize(18432000);
40 /* DGBU on ttyS0. (Rx & Tx only) */
41 at91_register_uart(0, 0, 0);
43 /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
44 at91_register_uart(AT91SAM9260_ID_US0
, 1, ATMEL_UART_CTS
| ATMEL_UART_RTS
45 | ATMEL_UART_DTR
| ATMEL_UART_DSR
46 | ATMEL_UART_DCD
| ATMEL_UART_RI
);
48 /* USART1 on ttyS2. (Rx, Tx, CTS, RTS) */
49 at91_register_uart(AT91SAM9260_ID_US1
, 2, ATMEL_UART_CTS
| ATMEL_UART_RTS
);
51 /* USART2 on ttyS3. (Rx, Tx, CTS, RTS) */
52 at91_register_uart(AT91SAM9260_ID_US2
, 3, ATMEL_UART_CTS
| ATMEL_UART_RTS
);
54 /* USART4 on ttyS5. (Rx, Tx only) */
55 at91_register_uart(AT91SAM9260_ID_US4
, 5, 0);
57 /* USART5 on ttyS6. (Rx, Tx only) */
58 at91_register_uart(AT91SAM9260_ID_US5
, 6, 0);
60 /* set serial console to ttyS0 (ie, DBGU) */
61 at91_set_serial_console(0);
64 static void __init
stamp9g20_map_io(void)
66 /* Initialize processor: 18.432 MHz crystal */
67 at91sam9260_initialize(18432000);
69 /* DGBU on ttyS0. (Rx & Tx only) */
70 at91_register_uart(0, 0, 0);
72 /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
73 at91_register_uart(AT91SAM9260_ID_US0
, 1, ATMEL_UART_CTS
| ATMEL_UART_RTS
74 | ATMEL_UART_DTR
| ATMEL_UART_DSR
75 | ATMEL_UART_DCD
| ATMEL_UART_RI
);
77 /* set serial console to ttyS0 (ie, DBGU) */
78 at91_set_serial_console(0);
81 static void __init
init_irq(void)
83 at91sam9260_init_interrupts(NULL
);
90 static struct atmel_nand_data __initdata nand_data
= {
93 .rdy_pin
= AT91_PIN_PC13
,
94 .enable_pin
= AT91_PIN_PC14
,
98 static struct sam9_smc_config __initdata nand_smc_config
= {
101 .ncs_write_setup
= 0,
106 .ncs_write_pulse
= 4,
112 .mode
= AT91_SMC_READMODE
| AT91_SMC_WRITEMODE
| AT91_SMC_EXNWMODE_DISABLE
| AT91_SMC_DBW_8
,
116 static void __init
add_device_nand(void)
118 /* configure chip-select 3 (NAND) */
119 sam9_smc_configure(3, &nand_smc_config
);
121 at91_add_device_nand(&nand_data
);
127 * det_pin, wp_pin and vcc_pin are not connected
129 #if defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_ATMELMCI_MODULE)
130 static struct mci_platform_data __initdata mmc_data
= {
136 static struct at91_mmc_data __initdata mmc_data
= {
146 static struct at91_usbh_data __initdata usbh_data
= {
154 static struct at91_udc_data __initdata portuxg20_udc_data
= {
155 .vbus_pin
= AT91_PIN_PC7
,
156 .pullup_pin
= 0, /* pull-up driven by UDC */
159 static struct at91_udc_data __initdata stamp9g20_udc_data
= {
160 .vbus_pin
= AT91_PIN_PA22
,
161 .pullup_pin
= 0, /* pull-up driven by UDC */
166 * MACB Ethernet device
168 static struct at91_eth_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 stamp9g20_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 static void __init
generic_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
);
266 at91_add_device_usbh(&usbh_data
);
268 at91_add_device_eth(&macb_data
);
270 at91_add_device_i2c(NULL
, 0);
275 static void __init
portuxg20_board_init(void)
277 generic_board_init();
279 at91_add_device_spi(portuxg20_spi_devices
, ARRAY_SIZE(portuxg20_spi_devices
));
281 at91_add_device_udc(&portuxg20_udc_data
);
283 at91_gpio_leds(portuxg20_leds
, ARRAY_SIZE(portuxg20_leds
));
286 static void __init
stamp9g20_board_init(void)
288 generic_board_init();
290 at91_add_device_udc(&stamp9g20_udc_data
);
292 at91_gpio_leds(stamp9g20_leds
, ARRAY_SIZE(stamp9g20_leds
));
295 MACHINE_START(PORTUXG20
, "taskit PortuxG20")
296 /* Maintainer: taskit GmbH */
297 .phys_io
= AT91_BASE_SYS
,
298 .io_pg_offst
= (AT91_VA_BASE_SYS
>> 18) & 0xfffc,
299 .boot_params
= AT91_SDRAM_BASE
+ 0x100,
300 .timer
= &at91sam926x_timer
,
301 .map_io
= portuxg20_map_io
,
302 .init_irq
= init_irq
,
303 .init_machine
= portuxg20_board_init
,
306 MACHINE_START(STAMP9G20
, "taskit Stamp9G20")
307 /* Maintainer: taskit GmbH */
308 .phys_io
= AT91_BASE_SYS
,
309 .io_pg_offst
= (AT91_VA_BASE_SYS
>> 18) & 0xfffc,
310 .boot_params
= AT91_SDRAM_BASE
+ 0x100,
311 .timer
= &at91sam926x_timer
,
312 .map_io
= stamp9g20_map_io
,
313 .init_irq
= init_irq
,
314 .init_machine
= stamp9g20_board_init
,