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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) |
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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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/* 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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{ |
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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 |
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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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