ar71xx: add support for Teltonika RUT900
Teltonika RUT900 is an industrial 3G router based on Atheros AR9344. There are available 3 other models in RUT9xx series: RUT905, RUT950 and RUT955, which differ in availability of additional I/O ports, built-in GSM modem type, GPS antenna and other features. FCC ID of the RUT950 model (LTE module built-in): 2AET4-RUT950. This patch adds support for the RUT900 model only but can be easily extended to cover whole series. Also, as there are several different 3/4G modules (Huawei, Quectel, Telit) used in whole series, packages required for WWAN support are not included by default. It is up to the user to install required software for built-in modem. Specification: - 550/400/200 MHz (CPU/DDR/AHB) - 128 MB of RAM (DDR2) - 16 MB of FLASH (SPI NOR) - 4x 10/100 Mbps Ethernet, with passive PoE support on LAN1 - 2T2R 2,4 GHz (AR9344), with ext. PA (MGA-22103) and LNA - built-in 3G module (example: Telit HE910-D) - 2x miniSIM slot - 2x RP-SMA/F (Wi-Fi), 2x SMA/F (3G) - PCA9539 16-bit GPIO I2C expander - 12x LED (4 are driven by AR9344, 7 by PCA9539) - 1x button (reset) - DC jack for main power input (9-30 V) - UART available on PCB edge connector Serial console pinout: - RX: pin1 (square) on top side of the main PCB (AR9344 is on top) - TX: pin1 (square) on bottom side Flash instruction: Vendor firmware is based on OpenWrt CC release. Use the "factory" image directly in GUI (make sure to uncheck "keep settings") or in U-Boot web based recovery. To avoid any problems, make sure to first update vendor firmware to latest version - "factory" image was successfully tested on device running "RUT9XX_R_00.03.960" firmware and U-Boot "3.0.1". Signed-off-by: Piotr Dymacz <pepe2k@gmail.com>v19.07.3_mercusys_ac12_duma
Piotr Dymacz
7 years ago
parent
b38ff7847b
commit
1f06144cde
@ -0,0 +1,191 @@
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/*
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* Teltonika RUT900 series boards support
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*
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* Copyright (C) 2018 Piotr Dymacz <pepe2k@gmail.com>
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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/gpio.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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#include <linux/platform_data/pca953x.h>
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#include <linux/platform_device.h>
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#include <asm/mach-ath79/ath79.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-usb.h"
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#include "dev-wmac.h"
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#include "machtypes.h"
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#define RUT9XX_GPIO_LED_LAN1 14
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#define RUT9XX_GPIO_LED_LAN2 13
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#define RUT9XX_GPIO_LED_LAN3 22
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#define RUT9XX_GPIO_LED_WAN 1
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#define RUT9XX_PCA9539_GPIO_BASE 32
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#define RUT9XX_PCA9539_GPIO_SIGNAL1 (0 + RUT9XX_PCA9539_GPIO_BASE)
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#define RUT9XX_PCA9539_GPIO_SIGNAL2 (1 + RUT9XX_PCA9539_GPIO_BASE)
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#define RUT9XX_PCA9539_GPIO_SIGNAL3 (2 + RUT9XX_PCA9539_GPIO_BASE)
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#define RUT9XX_PCA9539_GPIO_SIGNAL4 (3 + RUT9XX_PCA9539_GPIO_BASE)
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#define RUT9XX_PCA9539_GPIO_SIGNAL5 (4 + RUT9XX_PCA9539_GPIO_BASE)
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#define RUT9XX_PCA9539_GPIO_STATUS_R (5 + RUT9XX_PCA9539_GPIO_BASE)
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#define RUT9XX_PCA9539_GPIO_STATUS_G (6 + RUT9XX_PCA9539_GPIO_BASE)
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#define RUT9XX_GPIO_BTN_RESET 15
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#define RUT9XX_GPIO_I2C_SCK 16
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#define RUT9XX_GPIO_I2C_SDA 17
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#define RUT9XX_GPIO_EXT_LNA0 2
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#define RUT9XX_WMAC_CALDATA_OFFSET 0x1000
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#define RUT9XX_KEYS_POLL_INTERVAL 20
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#define RUT9XX_KEYS_DEBOUNCE_INTERVAL (3 * RUT9XX_KEYS_POLL_INTERVAL)
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static struct gpio_led rut900_leds_gpio[] __initdata = {
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{
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.name = "rut900:green:lan1",
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.gpio = RUT9XX_GPIO_LED_LAN1,
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.active_low = 1,
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}, {
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.name = "rut900:green:lan2",
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.gpio = RUT9XX_GPIO_LED_LAN2,
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.active_low = 1,
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}, {
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.name = "rut900:green:lan3",
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.gpio = RUT9XX_GPIO_LED_LAN3,
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.active_low = 1,
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}, {
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.name = "rut900:green:signal1",
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.gpio = RUT9XX_PCA9539_GPIO_SIGNAL1,
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.active_low = 0,
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}, {
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.name = "rut900:green:signal2",
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.gpio = RUT9XX_PCA9539_GPIO_SIGNAL2,
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.active_low = 0,
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}, {
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.name = "rut900:green:signal3",
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.gpio = RUT9XX_PCA9539_GPIO_SIGNAL3,
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.active_low = 0,
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}, {
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.name = "rut900:green:signal4",
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.gpio = RUT9XX_PCA9539_GPIO_SIGNAL4,
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.active_low = 0,
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}, {
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.name = "rut900:green:signal5",
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.gpio = RUT9XX_PCA9539_GPIO_SIGNAL5,
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.active_low = 0,
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}, {
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.name = "rut900:green:status",
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.gpio = RUT9XX_PCA9539_GPIO_STATUS_G,
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.active_low = 0,
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}, {
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.name = "rut900:green:wan",
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.gpio = RUT9XX_GPIO_LED_WAN,
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.active_low = 1,
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}, {
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.name = "rut900:red:status",
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.gpio = RUT9XX_PCA9539_GPIO_STATUS_R,
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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",
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.type = EV_KEY,
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.code = KEY_RESTART,
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.debounce_interval = RUT9XX_KEYS_DEBOUNCE_INTERVAL,
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.gpio = RUT9XX_GPIO_BTN_RESET,
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.active_low = 1,
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},
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};
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static struct i2c_gpio_platform_data rut900_i2c_gpio_data = {
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.sda_pin = RUT9XX_GPIO_I2C_SDA,
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.scl_pin = RUT9XX_GPIO_I2C_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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.dev = {
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.platform_data = &rut900_i2c_gpio_data,
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},
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};
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static struct pca953x_platform_data rut9xx_pca9539_data = {
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.gpio_base = RUT9XX_PCA9539_GPIO_BASE,
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.irq_base = -1,
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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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.platform_data = &rut9xx_pca9539_data,
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},
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};
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static void __init rut900_setup(void)
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{
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u8 *art = (u8 *) KSEG1ADDR(0x1f030000);
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u8 *mac = (u8 *) KSEG1ADDR(0x1f020000);
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u8 wlan_mac[ETH_ALEN];
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ath79_register_m25p80(NULL);
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ath79_register_mdio(1, 0x0);
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ath79_switch_data.phy4_mii_en = 1;
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ath79_switch_data.phy_poll_mask = 0xf1;
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/* LAN */
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ath79_eth1_data.duplex = DUPLEX_FULL;
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ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
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ath79_init_mac(ath79_eth1_data.mac_addr, mac, 0);
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ath79_register_eth(1);
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/* WAN */
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ath79_eth0_data.duplex = DUPLEX_FULL;
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ath79_eth0_data.mii_bus_dev = &ath79_mdio1_device.dev;
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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.speed = SPEED_100;
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ath79_init_mac(ath79_eth0_data.mac_addr, mac, 1);
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ath79_register_eth(0);
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platform_device_register(&rut900_i2c_device);
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i2c_register_board_info(0, rut900_i2c_devs,
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ARRAY_SIZE(rut900_i2c_devs));
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/* Disable JTAG (enables GPIO0-3) */
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ath79_gpio_function_enable(AR934X_GPIO_FUNC_JTAG_DISABLE);
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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, RUT9XX_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, RUT9XX_GPIO_EXT_LNA0);
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ath79_init_mac(wlan_mac, mac, 2);
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ath79_register_wmac(art + RUT9XX_WMAC_CALDATA_OFFSET, wlan_mac);
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ath79_register_usb();
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}
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MIPS_MACHINE(ATH79_MACH_RUT9XX, "RUT900", "Teltonika RUT900", rut900_setup);
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