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261 lines
7.6 KiB
C
261 lines
7.6 KiB
C
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/*
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* Atheros ARCHER_C7 reference board support
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*
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* Copyright (c) 2017 Felix Fietkau <nbd@nbd.name>
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* Copyright (c) 2014 The Linux Foundation. All rights reserved.
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* Copyright (c) 2012 Gabor Juhos <juhosg@openwrt.org>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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*/
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#include <linux/platform_device.h>
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#include <linux/ath9k_platform.h>
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#include <linux/ar8216_platform.h>
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#include <linux/proc_fs.h>
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#include <linux/gpio.h>
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#include <linux/spi/spi_gpio.h>
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#include <linux/spi/74x164.h>
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#include <asm/mach-ath79/ar71xx_regs.h>
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#include "common.h"
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#include "dev-m25p80.h"
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#include "machtypes.h"
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#include "pci.h"
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#include "dev-eth.h"
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#include "dev-gpio-buttons.h"
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#include "dev-leds-gpio.h"
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#include "dev-spi.h"
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#include "dev-usb.h"
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#include "dev-wmac.h"
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#define ARCHER_C7_GPIO_SHIFT_OE 1
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#define ARCHER_C7_GPIO_SHIFT_SER 14
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#define ARCHER_C7_GPIO_SHIFT_SRCLK 15
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#define ARCHER_C7_GPIO_SHIFT_RCLK 16
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#define ARCHER_C7_GPIO_SHIFT_SRCLR 21
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#define ARCHER_C7_GPIO_BTN_RESET 5
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#define ARCHER_C7_GPIO_BTN_WPS_WIFI 2
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#define ARCHER_C7_GPIO_LED_WLAN5 9
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#define ARCHER_C7_GPIO_LED_POWER 6
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#define ARCHER_C7_GPIO_LED_USB1 7
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#define ARCHER_C7_GPIO_LED_USB2 8
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#define ARCHER_C7_74HC_GPIO_BASE 32
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#define ARCHER_C7_GPIO_LED_WPS (ARCHER_C7_74HC_GPIO_BASE + 0)
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#define ARCHER_C7_GPIO_LED_LAN1 (ARCHER_C7_74HC_GPIO_BASE + 1)
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#define ARCHER_C7_GPIO_LED_LAN2 (ARCHER_C7_74HC_GPIO_BASE + 2)
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#define ARCHER_C7_GPIO_LED_LAN3 (ARCHER_C7_74HC_GPIO_BASE + 3)
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#define ARCHER_C7_GPIO_LED_LAN4 (ARCHER_C7_74HC_GPIO_BASE + 4)
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#define ARCHER_C7_GPIO_LED_WAN_GREEN (ARCHER_C7_74HC_GPIO_BASE + 5)
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#define ARCHER_C7_GPIO_LED_WAN_AMBER (ARCHER_C7_74HC_GPIO_BASE + 6)
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#define ARCHER_C7_GPIO_LED_WLAN2 (ARCHER_C7_74HC_GPIO_BASE + 7)
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#define ARCHER_C7_KEYS_POLL_INTERVAL 20 /* msecs */
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#define ARCHER_C7_KEYS_DEBOUNCE_INTERVAL (3 * ARCHER_C7_KEYS_POLL_INTERVAL)
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#define ARCHER_C7_MAC0_OFFSET 0
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#define ARCHER_C7_MAC1_OFFSET 6
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#define ARCHER_C7_WMAC_CALDATA_OFFSET 0x1000
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#define ARCHER_C7_GPIO_MDC 3
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#define ARCHER_C7_GPIO_MDIO 4
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static struct spi_gpio_platform_data archer_c7_v4_spi_data = {
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.sck = ARCHER_C7_GPIO_SHIFT_SRCLK,
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.miso = SPI_GPIO_NO_MISO,
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.mosi = ARCHER_C7_GPIO_SHIFT_SER,
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.num_chipselect = 1,
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};
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static u8 archer_c7_v4_ssr_initdata = 0xff;
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static struct gen_74x164_chip_platform_data archer_c7_v4_ssr_data = {
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.base = ARCHER_C7_74HC_GPIO_BASE,
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.num_registers = 1,
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.init_data = &archer_c7_v4_ssr_initdata,
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};
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static struct platform_device archer_c7_v4_spi_device = {
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.name = "spi_gpio",
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.id = 1,
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.dev = {
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.platform_data = &archer_c7_v4_spi_data,
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},
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};
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static struct spi_board_info archer_c7_v4_spi_info[] = {
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{
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.bus_num = 1,
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.chip_select = 0,
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.max_speed_hz = 10000000,
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.modalias = "74x164",
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.platform_data = &archer_c7_v4_ssr_data,
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.controller_data = (void *) ARCHER_C7_GPIO_SHIFT_RCLK,
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},
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};
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static struct gpio_led archer_c7_v4_leds_gpio[] __initdata = {
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{
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.name = "archer-c7-v4:green:power",
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.gpio = ARCHER_C7_GPIO_LED_POWER,
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.active_low = 1,
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}, {
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.name = "archer-c7-v4:green:wps",
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.gpio = ARCHER_C7_GPIO_LED_WPS,
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.active_low = 1,
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}, {
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.name = "archer-c7-v4:green:wlan2g",
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.gpio = ARCHER_C7_GPIO_LED_WLAN2,
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.active_low = 1,
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}, {
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.name = "archer-c7-v4:green:wlan5g",
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.gpio = ARCHER_C7_GPIO_LED_WLAN5,
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.active_low = 1,
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}, {
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.name = "archer-c7-v4:green:lan1",
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.gpio = ARCHER_C7_GPIO_LED_LAN1,
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.active_low = 1,
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}, {
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.name = "archer-c7-v4:green:lan2",
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.gpio = ARCHER_C7_GPIO_LED_LAN2,
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.active_low = 1,
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}, {
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.name = "archer-c7-v4:green:lan3",
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.gpio = ARCHER_C7_GPIO_LED_LAN3,
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.active_low = 1,
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}, {
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.name = "archer-c7-v4:green:lan4",
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.gpio = ARCHER_C7_GPIO_LED_LAN4,
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.active_low = 1,
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}, {
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.name = "archer-c7-v4:green:wan",
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.gpio = ARCHER_C7_GPIO_LED_WAN_GREEN,
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.active_low = 1,
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}, {
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.name = "archer-c7-v4:amber:wan",
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.gpio = ARCHER_C7_GPIO_LED_WAN_AMBER,
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.active_low = 1,
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}, {
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.name = "archer-c7-v4:green:usb1",
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.gpio = ARCHER_C7_GPIO_LED_USB1,
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.active_low = 1,
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}, {
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.name = "archer-c7-v4:green:usb2",
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.gpio = ARCHER_C7_GPIO_LED_USB2,
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.active_low = 1,
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},
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};
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static struct gpio_keys_button archer_c7_v4_gpio_keys[] __initdata = {
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{
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.desc = "WPS and WIFI button",
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.type = EV_KEY,
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.code = KEY_WPS_BUTTON,
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.debounce_interval = ARCHER_C7_KEYS_DEBOUNCE_INTERVAL,
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.gpio = ARCHER_C7_GPIO_BTN_WPS_WIFI,
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.active_low = 1,
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},
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{
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.desc = "Reset button",
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.type = EV_KEY,
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.code = KEY_RESTART,
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.debounce_interval = ARCHER_C7_KEYS_DEBOUNCE_INTERVAL,
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.gpio = ARCHER_C7_GPIO_BTN_RESET,
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.active_low = 1,
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},
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};
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static struct ar8327_pad_cfg archer_c7_v4_ar8337_pad0_cfg = {
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.mode = AR8327_PAD_MAC_SGMII,
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.sgmii_delay_en = true,
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};
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static struct ar8327_platform_data archer_c7_v4_ar8337_data = {
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.pad0_cfg = &archer_c7_v4_ar8337_pad0_cfg,
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.port0_cfg = {
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.force_link = 1,
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.speed = AR8327_PORT_SPEED_1000,
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.duplex = 1,
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.txpause = 1,
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.rxpause = 1,
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},
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};
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static struct mdio_board_info archer_c7_v4_mdio0_info[] = {
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{
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.bus_id = "ag71xx-mdio.0",
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.phy_addr = 0,
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.platform_data = &archer_c7_v4_ar8337_data,
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},
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};
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static void __init archer_c7_v4_setup(void)
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{
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u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
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u8 *mac = (u8 *) KSEG1ADDR(0x1ff00008);
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ath79_register_m25p80(NULL);
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spi_register_board_info(archer_c7_v4_spi_info,
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ARRAY_SIZE(archer_c7_v4_spi_info));
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platform_device_register(&archer_c7_v4_spi_device);
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gpio_request_one(ARCHER_C7_GPIO_SHIFT_OE,
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GPIOF_OUT_INIT_LOW | GPIOF_EXPORT_DIR_FIXED,
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"LED control");
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gpio_request_one(ARCHER_C7_GPIO_SHIFT_SRCLR,
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GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
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"LED reset");
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ath79_register_leds_gpio(-1, ARRAY_SIZE(archer_c7_v4_leds_gpio),
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archer_c7_v4_leds_gpio);
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ath79_register_gpio_keys_polled(-1, ARCHER_C7_KEYS_POLL_INTERVAL,
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ARRAY_SIZE(archer_c7_v4_gpio_keys),
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archer_c7_v4_gpio_keys);
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ath79_register_usb();
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ath79_gpio_output_select(ARCHER_C7_GPIO_MDC, QCA956X_GPIO_OUT_MUX_GE0_MDC);
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ath79_gpio_output_select(ARCHER_C7_GPIO_MDIO, QCA956X_GPIO_OUT_MUX_GE0_MDO);
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ath79_register_mdio(0, 0x0);
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mdiobus_register_board_info(archer_c7_v4_mdio0_info,
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ARRAY_SIZE(archer_c7_v4_mdio0_info));
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ath79_register_wmac(art + ARCHER_C7_WMAC_CALDATA_OFFSET, mac);
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ath79_register_pci();
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/* GMAC0 is connected to an AR8337 switch */
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ath79_init_mac(ath79_eth0_data.mac_addr, mac, 0);
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ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_SGMII;
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ath79_eth0_data.speed = SPEED_1000;
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ath79_eth0_data.duplex = DUPLEX_FULL;
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ath79_eth0_data.phy_mask = BIT(0);
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ath79_eth0_data.mii_bus_dev = &ath79_mdio0_device.dev;
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ath79_register_eth(0);
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}
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MIPS_MACHINE(ATH79_MACH_ARCHER_C7_V4, "ARCHER-C7-V4", "TP-LINK Archer C7 v4",
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archer_c7_v4_setup);
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