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authorAnton Arapov <anton@redhat.com>2012-04-16 10:05:28 +0200
committerAnton Arapov <anton@redhat.com>2012-04-16 10:05:28 +0200
commitb4b6116a13633898cf868f2f103c96a90c4c20f8 (patch)
tree93d1b7e2cfcdf473d8d4ff3ad141fa864f8491f6 /arch/arm/mach-at91/board-foxg20.c
parentedd4be777c953e5faafc80d091d3084b4343f5d3 (diff)
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fedora kernel: d9aad82f3319f3cfd1aebc01234254ef0c37ad84v3.3.2-1
Signed-off-by: Anton Arapov <anton@redhat.com>
Diffstat (limited to 'arch/arm/mach-at91/board-foxg20.c')
-rw-r--r--arch/arm/mach-at91/board-foxg20.c273
1 files changed, 273 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/board-foxg20.c b/arch/arm/mach-at91/board-foxg20.c
new file mode 100644
index 00000000000..caf017f0f4e
--- /dev/null
+++ b/arch/arm/mach-at91/board-foxg20.c
@@ -0,0 +1,273 @@
+/*
+ * 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 <linux/types.h>
+#include <linux/init.h>
+#include <linux/mm.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/at73c213.h>
+#include <linux/gpio.h>
+#include <linux/gpio_keys.h>
+#include <linux/input.h>
+#include <linux/clk.h>
+#include <linux/w1-gpio.h>
+
+#include <mach/hardware.h>
+#include <asm/setup.h>
+#include <asm/mach-types.h>
+#include <asm/irq.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include <mach/board.h>
+#include <mach/at91sam9_smc.h>
+
+#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);
+
+ /* 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 serial console to ttyS0 (ie, DBGU) */
+ at91_set_serial_console(0);
+
+ /* Set the internal pull-up resistor on DRXD */
+ at91_set_A_periph(AT91_PIN_PB14, 1);
+
+}
+
+/*
+ * 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 !defined(CONFIG_MMC_AT91)
+ {
+ .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 at91_mmc_data __initdata foxg20_mmc_data = {
+ .slot_b = 1,
+ .wire4 = 1,
+ .det_pin = -EINVAL,
+ .wp_pin = -EINVAL,
+ .vcc_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 */
+ 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_mmc(0, &foxg20_mmc_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