Claudio Mignanti
12 years ago
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755b97303e
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2852345af0
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/*
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* Copyright (C) 2005 SAN People
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* Copyright (C) 2006 Atmel
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* Copyright (C) 2009-2010 Claudio Mignanti <c.mignanti@gmail.com>
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*
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* Strongly based on arch/arm/mach-at91/board-sam9260ek.c
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <linux/types.h>
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#include <linux/init.h>
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#include <linux/mm.h>
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <linux/spi/spi.h>
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#include <linux/gpio.h>
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#include <linux/gpio_keys.h>
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#include <linux/input.h>
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#include <linux/clk.h>
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#include <mach/hardware.h>
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#include <asm/setup.h>
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#include <asm/mach-types.h>
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#include <asm/irq.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <asm/mach/irq.h>
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#include <mach/board.h>
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#include <mach/at91sam9_smc.h>
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#include "sam9_smc.h"
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#include "generic.h"
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static void __init ek_map_io(void)
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{
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/* Initialize processor: 18.432 MHz crystal */
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at91sam9260_initialize(18432000);
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/* DGBU on ttyS0. (Rx & Tx only) */
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at91_register_uart(0, 0, 0);
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#if defined(CONFIG_NETUS_SERIALS) || defined(CONFIG_NETUS_FOXGM)
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/* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
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at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
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| ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
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| ATMEL_UART_RI);
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/* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */
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at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS);
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#endif
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#if defined(CONFIG_NETUS_SERIALS)
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/* USART2 on ttyS3. (Rx, Tx) */
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at91_register_uart(AT91SAM9260_ID_US2, 3, 0);
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#endif
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/* set serial console to ttyS0 (ie, DBGU) */
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at91_set_serial_console(0);
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}
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static void __init ek_init_irq(void)
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{
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at91sam9260_init_interrupts(NULL);
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}
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/*
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* USB Host port
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*/
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static struct at91_usbh_data __initdata ek_usbh_data = {
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.ports = 2,
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};
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/*
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* USB Device port
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*/
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static struct at91_udc_data __initdata ek_udc_data = {
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.vbus_pin = AT91_PIN_PC6,
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.pullup_pin = 0, /* pull-up driven by UDC */
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};
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/*
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* SPI devices.
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*/
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static struct spi_board_info ek_spi_devices[] = {
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#if defined(CONFIG_NETUS_USE_DATAFLASH)
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{ /* DataFlash chip */
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.modalias = "mtd_dataflash",
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.chip_select = 1,
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.max_speed_hz = 15 * 1000 * 1000,
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.bus_num = 0,
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},
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#endif
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};
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/*
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* MACB Ethernet device
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*/
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static struct at91_eth_data __initdata ek_macb_data = {
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.phy_irq_pin = AT91_PIN_PA29,
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.is_rmii = 1,
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};
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/*
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* MCI (SD/MMC)
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* det_pin, wp_pin and vcc_pin are not connected
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*/
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static struct at91_mmc_data __initdata ek_mmc_data = {
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.slot_b = 1,
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.wire4 = 1,
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};
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/*
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* LEDs
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*/
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static struct gpio_led ek_leds[] = {
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#if defined(CONFIG_NETUS_FOXGM)
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{
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.name = "led:red:L4",
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.gpio = AT91_PIN_PC9,
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.active_low = 0,
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.default_trigger = "heartbeat",
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},
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{
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.name = "led:red:L5",
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.gpio = AT91_PIN_PC13,
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.active_low = 0,
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.default_trigger = "none",
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},
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#endif //CONFIG_NETUS_FOXGM
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{
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.name = "led:red:user",
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.gpio = AT91_PIN_PC7,
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.active_low = 0,
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#if defined(CONFIG_NETUS_HEARTBEAT_LED)
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.default_trigger = "heartbeat",
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#else
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.default_trigger = "none",
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#endif //CONFIG_NETUS_HEARTBEAT_LED
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},
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};
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/*
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* GPIO Buttons
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*/
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#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
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static struct gpio_keys_button ek_buttons[] = {
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{
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.gpio = AT91_PIN_PC4,
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.code = BTN_1,
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.desc = "Button 1",
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.active_low = 1,
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.wakeup = 1,
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},
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};
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static struct gpio_keys_platform_data ek_button_data = {
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.buttons = ek_buttons,
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.nbuttons = ARRAY_SIZE(ek_buttons),
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};
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static struct platform_device ek_button_device = {
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.name = "gpio-keys",
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.id = -1,
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.num_resources = 0,
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.dev = {
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.platform_data = &ek_button_data,
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}
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};
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static void __init ek_add_device_buttons(void)
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{
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at91_set_gpio_input(AT91_PIN_PC4, 1); /* btn1 */
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at91_set_deglitch(AT91_PIN_PC4, 1);
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platform_device_register(&ek_button_device);
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}
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#else
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static void __init ek_add_device_buttons(void) {}
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#endif
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static struct resource gpiodev_resource = {
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.start = 0xFFFFFFFF,
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};
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static void __init ek_board_init(void)
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{
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/* Serial */
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at91_add_device_serial();
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/* USB Host */
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at91_add_device_usbh(&ek_usbh_data);
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/* USB Device */
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at91_add_device_udc(&ek_udc_data);
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/* SPI */
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at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
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/* Ethernet */
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at91_add_device_eth(&ek_macb_data);
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/* MMC */
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at91_add_device_mmc(0, &ek_mmc_data);
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/* I2C */
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at91_add_device_i2c(NULL, 0);
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/* LEDs */
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at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
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/* Push Buttons */
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ek_add_device_buttons();
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/* Register GPIODEV */
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platform_device_register_simple("GPIODEV", 0, &gpiodev_resource, 1);
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}
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MACHINE_START(AT91SAM9G20EK, "Acmesystems Netus FoxBoardG20")
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/* Maintainer: Claudio Mignanti */
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.phys_io = AT91_BASE_SYS,
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.io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
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.boot_params = AT91_SDRAM_BASE + 0x100,
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.timer = &at91sam926x_timer,
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.map_io = ek_map_io,
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.init_irq = ek_init_irq,
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.init_machine = ek_board_init,
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MACHINE_END
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