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261 lines
6.0 KiB
C
261 lines
6.0 KiB
C
/*
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* TELTONIKA TLT-RUT900 board support
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*
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* Copyright (C) 2014 Teltonika
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation.
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*/
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#include <linux/phy.h>
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#include <linux/gpio.h>
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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/mmc/host.h>
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#include <linux/spi/spi.h>
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#include <linux/spi/mmc_spi.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-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-m25p80.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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#include "machtypes.h"
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#include <linux/i2c.h>
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#include <linux/i2c-algo-bit.h>
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#include <linux/i2c-gpio.h>
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/* I2C interface */
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#define rut900_GPIO_SDA 17
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#define rut900_GPIO_SCK 16
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#define RUT900_GPIO_LED_BAR0 48
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#define RUT900_GPIO_LED_BAR1 49
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#define RUT900_GPIO_LED_BAR2 50
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#define RUT900_GPIO_LED_BAR3 51
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#define RUT900_GPIO_LED_BAR4 52
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#define RUT900_GPIO_LED_ST_GRE 54
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#define RUT900_GPIO_LED_ST_RED 53
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//#define RUT900_GPIO_LED_WAN 18
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#define RUT900_GPIO_LED_LAN1 14
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#define RUT900_GPIO_LED_LAN2 13
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#define RUT900_GPIO_LED_LAN3 22
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#define RUT900_GPIO_LED_WAN 1
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#define RUT900_GPIO_EXTERNAL_LNA0 2
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//#define RUT900_GPIO_EXTERNAL_LNA1 3
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#define RUT900_GPIO_BTN_RESET 15
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#define RUT900_GPIO_BTN_EXPANDER 4
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#define RUT900_GPIO_BTN_TEST 58
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#define RUT900_GPIO_MMC_CS 3
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//#define RUT900_GPIO_EXPANDER_POWER 11
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#define RUT900_KEYS_POLL_INTERVAL 20 /* msecs */
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#define RUT900_KEYS_DEBOUNCE_INTERVAL (3 * RUT900_KEYS_POLL_INTERVAL)
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#define RUT900_KEYS_DEBOUNCE_INTERVAL_DIN 20
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#define RUT900_MAC0_OFFSET 0
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#define RUT900_MAC1_OFFSET 6
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#define RUT900_WMAC_CALDATA_OFFSET 0x1000
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#define RUT900_PCIE_CALDATA_OFFSET 0x5000
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static struct i2c_gpio_platform_data rut900_i2c_device_platdata = {
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.sda_pin = rut900_GPIO_SDA,
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.scl_pin = rut900_GPIO_SCK,
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.udelay = 10,
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};
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static struct platform_device rut900_i2c_device = {
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.name = "i2c-gpio",
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.id = 0,
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.num_resources = 0,
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.resource = NULL,
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.dev = {
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.platform_data = &rut900_i2c_device_platdata,
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},
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};
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static struct i2c_board_info rut900_i2c_devs[] __initdata = {
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{
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I2C_BOARD_INFO("pca9539", 0x74),
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},
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{
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I2C_BOARD_INFO("mcp3221", 0x4D),
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},
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};
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static void rut900_i2c_init(void)
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{
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/* The gpio interface */
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platform_device_register(&rut900_i2c_device);
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/* I2C devices */
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i2c_register_board_info(0, rut900_i2c_devs, ARRAY_SIZE(rut900_i2c_devs));
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}
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//Flash partitions are calcutated in drivers/mtd/tltpart.c
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static const char *rut900_part_probes[] = {
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"tlt",
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NULL,
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};
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static struct flash_platform_data rut900_flash_data = {
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.part_probes = rut900_part_probes,
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};
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static struct gpio_led rut900_leds_gpio[] __initdata = {
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{
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.name = "tlt:green:signal_bar0",
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.gpio = RUT900_GPIO_LED_BAR0,
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.active_low = 0,
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},
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{
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.name = "tlt:green:signal_bar1",
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.gpio = RUT900_GPIO_LED_BAR1,
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.active_low = 0,
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},
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{
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.name = "tlt:green:signal_bar2",
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.gpio = RUT900_GPIO_LED_BAR2,
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.active_low = 0,
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},
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{
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.name = "tlt:green:signal_bar3",
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.gpio = RUT900_GPIO_LED_BAR3,
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.active_low = 0,
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},
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{
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.name = "tlt:green:signal_bar4",
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.gpio = RUT900_GPIO_LED_BAR4,
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.active_low = 0,
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},
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{
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.name = "tlt:green:status",
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.gpio = RUT900_GPIO_LED_ST_GRE,
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.active_low = 0,
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},
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{
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.name = "tlt:red:status",
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.gpio = RUT900_GPIO_LED_ST_RED,
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.active_low = 0,
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},
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};
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static struct gpio_keys_button rut900_gpio_keys[] __initdata = {
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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 = RUT900_KEYS_DEBOUNCE_INTERVAL,
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.gpio = RUT900_GPIO_BTN_RESET,
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.active_low = 1,
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},
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{
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.desc = "Expander interrupt",
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.type = EV_KEY,
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.code = KEY_RFKILL,
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.debounce_interval = RUT900_KEYS_DEBOUNCE_INTERVAL_DIN,
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.gpio = RUT900_GPIO_BTN_EXPANDER,
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},
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};
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static struct spi_board_info ath79_spi_info[] = {
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{
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.bus_num = 0,
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.chip_select = 0,
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.max_speed_hz = 25000000,
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.modalias = "m25p80",
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.platform_data = &rut900_flash_data,
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},
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{
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.bus_num = 0,
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.chip_select = 1,
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.max_speed_hz = 25000000,
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.modalias = "mmc_spi",
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}
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};
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static struct ath79_spi_platform_data ath79_spi_data = {
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.bus_num = 0,
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.num_chipselect = 2,
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};
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static void __init rut900_setup(void)
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{
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u8 *mac = (u8 *) KSEG1ADDR(0x1f020000);
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u8 *art = (u8 *) KSEG1ADDR(0x1f030000);
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u8 tmpmac[ETH_ALEN];
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ath79_register_spi(&ath79_spi_data, ath79_spi_info, 2);
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ath79_register_leds_gpio(-1, ARRAY_SIZE(rut900_leds_gpio),
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rut900_leds_gpio);
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ath79_register_gpio_keys_polled(-1, RUT900_KEYS_POLL_INTERVAL,
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ARRAY_SIZE(rut900_gpio_keys),
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rut900_gpio_keys);
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ath79_wmac_set_ext_lna_gpio(0, RUT900_GPIO_EXTERNAL_LNA0);
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ath79_init_mac(tmpmac, mac, 2);
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ath79_register_wmac(art + RUT900_WMAC_CALDATA_OFFSET, tmpmac);
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ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_SW_ONLY_MODE);
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ath79_register_mdio(1, 0x0);
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/* LAN */
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ath79_init_mac(ath79_eth1_data.mac_addr, mac, 0);
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/* GMAC1 is connected to the internal switch */
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ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
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ath79_register_eth(1);
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/* WAN */
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ath79_init_mac(ath79_eth0_data.mac_addr, mac, 1);
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/* GMAC0 is connected to the PHY4 of the internal switch */
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ath79_switch_data.phy4_mii_en = 1;
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ath79_switch_data.phy_poll_mask = BIT(4);
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ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
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ath79_eth0_data.phy_mask = BIT(4);
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ath79_eth0_data.mii_bus_dev = &ath79_mdio1_device.dev;
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ath79_register_eth(0);
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ath79_register_usb();
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ath79_gpio_output_select(RUT900_GPIO_LED_LAN1,
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AR934X_GPIO_OUT_LED_LINK3);
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ath79_gpio_output_select(RUT900_GPIO_LED_LAN2,
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AR934X_GPIO_OUT_LED_LINK2);
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ath79_gpio_output_select(RUT900_GPIO_LED_LAN3,
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AR934X_GPIO_OUT_LED_LINK1);
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ath79_gpio_output_select(RUT900_GPIO_LED_WAN,
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AR934X_GPIO_OUT_LED_LINK4);
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//SPI CS1
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ath79_gpio_output_select(RUT900_GPIO_MMC_CS,
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7);
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//HS UART
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ath79_gpio_output_select(18, 79);
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/* Init I2C interface */
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rut900_i2c_init();
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}
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MIPS_MACHINE(ATH79_MACH_TLT_RUT900, "TLT-RUT900",
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"TELTONIKA TLT-RUT900",
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rut900_setup);
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