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https://github.com/edk2-porting/linux-next.git
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71b149b3f7
There is no need to pinmux the UART so early in the kernel. Move it to the board init. This will also allow to finally move the gpio driver to platform device/driver. Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
167 lines
3.9 KiB
C
167 lines
3.9 KiB
C
/*
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* linux/arch/arm/mach-at91/board-flexibity.c
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*
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* Copyright (C) 2010-2011 Flexibity
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* Copyright (C) 2005 SAN People
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* Copyright (C) 2006 Atmel
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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/init.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/input.h>
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#include <linux/gpio.h>
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#include <asm/mach-types.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/hardware.h>
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#include <mach/board.h>
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#include "generic.h"
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static void __init flexibity_init_early(void)
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{
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/* Initialize processor: 18.432 MHz crystal */
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at91_initialize(18432000);
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}
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/* USB Host port */
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static struct at91_usbh_data __initdata flexibity_usbh_data = {
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.ports = 2,
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.vbus_pin = {-EINVAL, -EINVAL},
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.overcurrent_pin= {-EINVAL, -EINVAL},
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};
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/* USB Device port */
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static struct at91_udc_data __initdata flexibity_udc_data = {
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.vbus_pin = AT91_PIN_PC5,
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.pullup_pin = -EINVAL, /* pull-up driven by UDC */
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};
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/* I2C devices */
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static struct i2c_board_info __initdata flexibity_i2c_devices[] = {
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{
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I2C_BOARD_INFO("ds1307", 0x68),
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},
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};
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/* SPI devices */
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static struct spi_board_info flexibity_spi_devices[] = {
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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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};
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/* MCI (SD/MMC) */
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static struct at91_mmc_data __initdata flexibity_mmc_data = {
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.slot_b = 0,
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.wire4 = 1,
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.det_pin = AT91_PIN_PC9,
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.wp_pin = AT91_PIN_PC4,
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.vcc_pin = -EINVAL,
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};
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/* LEDs */
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static struct gpio_led flexibity_leds[] = {
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{
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.name = "usb1:green",
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.gpio = AT91_PIN_PA12,
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.active_low = 1,
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.default_trigger = "default-on",
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},
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{
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.name = "usb1:red",
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.gpio = AT91_PIN_PA13,
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.active_low = 1,
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.default_trigger = "default-on",
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},
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{
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.name = "usb2:green",
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.gpio = AT91_PIN_PB26,
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.active_low = 1,
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.default_trigger = "default-on",
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},
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{
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.name = "usb2:red",
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.gpio = AT91_PIN_PB27,
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.active_low = 1,
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.default_trigger = "default-on",
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},
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{
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.name = "usb3:green",
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.gpio = AT91_PIN_PC8,
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.active_low = 1,
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.default_trigger = "default-on",
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},
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{
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.name = "usb3:red",
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.gpio = AT91_PIN_PC6,
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.active_low = 1,
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.default_trigger = "default-on",
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},
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{
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.name = "usb4:green",
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.gpio = AT91_PIN_PB4,
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.active_low = 1,
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.default_trigger = "default-on",
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},
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{
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.name = "usb4:red",
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.gpio = AT91_PIN_PB5,
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.active_low = 1,
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.default_trigger = "default-on",
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}
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};
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static void __init flexibity_board_init(void)
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{
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/* Serial */
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/* DBGU on ttyS0. (Rx & Tx only) */
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at91_register_uart(0, 0, 0);
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at91_add_device_serial();
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/* USB Host */
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at91_add_device_usbh(&flexibity_usbh_data);
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/* USB Device */
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at91_add_device_udc(&flexibity_udc_data);
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/* I2C */
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at91_add_device_i2c(flexibity_i2c_devices,
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ARRAY_SIZE(flexibity_i2c_devices));
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/* SPI */
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at91_add_device_spi(flexibity_spi_devices,
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ARRAY_SIZE(flexibity_spi_devices));
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/* MMC */
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at91_add_device_mmc(0, &flexibity_mmc_data);
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/* LEDs */
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at91_gpio_leds(flexibity_leds, ARRAY_SIZE(flexibity_leds));
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}
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MACHINE_START(FLEXIBITY, "Flexibity Connect")
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/* Maintainer: Maxim Osipov */
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.timer = &at91sam926x_timer,
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.map_io = at91_map_io,
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.init_early = flexibity_init_early,
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.init_irq = at91_init_irq_default,
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.init_machine = flexibity_board_init,
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MACHINE_END
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