/* * Copyright (C) 2005 SAN People * Copyright (C) 2008 Atmel * Copyright (C) 2010 Lee McLoughlin - lee@lmmrtech.com * Copyright (C) 2010 Sergio Tanzilli - tanzilli@acmesystems.it * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "sam9_smc.h" #include "generic.h" /* * The FOX Board G20 hardware comes as the "Netus G20" board with * just the cpu, ram, dataflash and two header connectors. * This is plugged into the FOX Board which provides the ethernet, * usb, rtc, leds, switch, ... * * For more info visit: http://www.acmesystems.it/foxg20 */ static void __init foxg20_init_early(void) { /* Initialize processor: 18.432 MHz crystal */ at91_initialize(18432000); } /* * USB Host port */ static struct at91_usbh_data __initdata foxg20_usbh_data = { .ports = 2, .vbus_pin = {-EINVAL, -EINVAL}, .overcurrent_pin= {-EINVAL, -EINVAL}, }; /* * USB Device port */ static struct at91_udc_data __initdata foxg20_udc_data = { .vbus_pin = AT91_PIN_PC6, .pullup_pin = -EINVAL, /* pull-up driven by UDC */ }; /* * SPI devices. */ static struct spi_board_info foxg20_spi_devices[] = { #if !IS_ENABLED(CONFIG_MMC_ATMELMCI) { .modalias = "mtd_dataflash", .chip_select = 1, .max_speed_hz = 15 * 1000 * 1000, .bus_num = 0, }, #endif }; /* * MACB Ethernet device */ static struct macb_platform_data __initdata foxg20_macb_data = { .phy_irq_pin = AT91_PIN_PA7, .is_rmii = 1, }; /* * MCI (SD/MMC) * det_pin, wp_pin and vcc_pin are not connected */ static struct mci_platform_data __initdata foxg20_mci0_data = { .slot[1] = { .bus_width = 4, .detect_pin = -EINVAL, .wp_pin = -EINVAL, }, }; /* * LEDs */ static struct gpio_led foxg20_leds[] = { { /* user led, red */ .name = "user_led", .gpio = AT91_PIN_PC7, .active_low = 0, .default_trigger = "heartbeat", }, }; /* * GPIO Buttons */ #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) static struct gpio_keys_button foxg20_buttons[] = { { .gpio = AT91_PIN_PC4, .code = BTN_1, .desc = "Button 1", .active_low = 1, .wakeup = 1, }, }; static struct gpio_keys_platform_data foxg20_button_data = { .buttons = foxg20_buttons, .nbuttons = ARRAY_SIZE(foxg20_buttons), }; static struct platform_device foxg20_button_device = { .name = "gpio-keys", .id = -1, .num_resources = 0, .dev = { .platform_data = &foxg20_button_data, } }; static void __init foxg20_add_device_buttons(void) { at91_set_gpio_input(AT91_PIN_PC4, 1); /* btn1 */ at91_set_deglitch(AT91_PIN_PC4, 1); platform_device_register(&foxg20_button_device); } #else static void __init foxg20_add_device_buttons(void) {} #endif #if defined(CONFIG_W1_MASTER_GPIO) || defined(CONFIG_W1_MASTER_GPIO_MODULE) static struct w1_gpio_platform_data w1_gpio_pdata = { /* If you choose to use a pin other than PB16 it needs to be 3.3V */ .pin = AT91_PIN_PB16, .is_open_drain = 1, }; static struct platform_device w1_device = { .name = "w1-gpio", .id = -1, .dev.platform_data = &w1_gpio_pdata, }; static void __init at91_add_device_w1(void) { at91_set_GPIO_periph(w1_gpio_pdata.pin, 1); at91_set_multi_drive(w1_gpio_pdata.pin, 1); platform_device_register(&w1_device); } #endif static struct i2c_board_info __initdata foxg20_i2c_devices[] = { { I2C_BOARD_INFO("24c512", 0x50), }, }; static void __init foxg20_board_init(void) { /* Serial */ /* DBGU on ttyS0. (Rx & Tx only) */ at91_register_uart(0, 0, 0); /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */ at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD | ATMEL_UART_RI); /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */ at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS); /* USART2 on ttyS3. (Rx & Tx only) */ at91_register_uart(AT91SAM9260_ID_US2, 3, 0); /* USART3 on ttyS4. (Rx, Tx, RTS, CTS) */ at91_register_uart(AT91SAM9260_ID_US3, 4, ATMEL_UART_CTS | ATMEL_UART_RTS); /* USART4 on ttyS5. (Rx & Tx only) */ at91_register_uart(AT91SAM9260_ID_US4, 5, 0); /* USART5 on ttyS6. (Rx & Tx only) */ at91_register_uart(AT91SAM9260_ID_US5, 6, 0); /* Set the internal pull-up resistor on DRXD */ at91_set_A_periph(AT91_PIN_PB14, 1); at91_add_device_serial(); /* USB Host */ at91_add_device_usbh(&foxg20_usbh_data); /* USB Device */ at91_add_device_udc(&foxg20_udc_data); /* SPI */ at91_add_device_spi(foxg20_spi_devices, ARRAY_SIZE(foxg20_spi_devices)); /* Ethernet */ at91_add_device_eth(&foxg20_macb_data); /* MMC */ at91_add_device_mci(0, &foxg20_mci0_data); /* I2C */ at91_add_device_i2c(foxg20_i2c_devices, ARRAY_SIZE(foxg20_i2c_devices)); /* LEDs */ at91_gpio_leds(foxg20_leds, ARRAY_SIZE(foxg20_leds)); /* Push Buttons */ foxg20_add_device_buttons(); #if defined(CONFIG_W1_MASTER_GPIO) || defined(CONFIG_W1_MASTER_GPIO_MODULE) at91_add_device_w1(); #endif } MACHINE_START(ACMENETUSFOXG20, "Acme Systems srl FOX Board G20") /* Maintainer: Sergio Tanzilli */ .timer = &at91sam926x_timer, .map_io = at91_map_io, .init_early = foxg20_init_early, .init_irq = at91_init_irq_default, .init_machine = foxg20_board_init, MACHINE_END