Hardware -------- CPU: Qualcomm Atheros QCA9561 RAM: 64M DDR2 FLASH: 16M SPI-NOR ETH: 1x WAN - 2x LAN WiFi: QCA9561 3T3R BTN: 1x Reset - 1x WPS LED: 1x Blue - 1x Red - 1x Yellow UART: TX - GND - RX - VCC (From ethernet port) 115200n8 - 3.3V Installation ------------ 1. Connect to the device via UART. 2. Interrupt the U-Boot on power-on by pressing enter when prompted. 3. Connect you computer to one of the routers LAN ports. Assign yourself the IP 192.168.31.10/24. Copy the OpenWRT initramfs image to a tftp server root directory. Rename the image to 'x4q.bin'. 4. Load the initramfs image to the router by executing following command in U-Boot. The image will boot afterwards. > tftpboot 0x81000000 x4q.bin; bootm 5. SCP the sysupgrade-image into '/tmp'. Remember to assign yourself an IP in 192.168.1.0/24 for this step! 6. Install OpenWRT permanently by executing > sysupgrade -n /tmp/<OpenWRT-sysupgrade-image> Signed-off-by: David Bauer <mail@david-bauer.net>master
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// SPDX-License-Identifier: GPL-2.0+ OR MIT |
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/dts-v1/; |
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#include <dt-bindings/gpio/gpio.h> |
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#include <dt-bindings/input/input.h> |
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#include "qca956x.dtsi" |
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/ { |
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compatible = "xiaomi,mi-router-4q", "qca,qca9560"; |
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model = "Xiaomi Mi Router 4Q"; |
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aliases { |
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led-boot = &led_yellow; |
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led-failsafe = &led_red; |
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led-running = &led_blue; |
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led-upgrade = &led_red; |
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}; |
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chosen { |
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bootargs = "console=ttyS0,115200n8"; |
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}; |
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keys { |
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compatible = "gpio-keys-polled"; |
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poll-interval = <100>; |
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reset { |
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label = "Reset button"; |
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linux,code = <KEY_RESTART>; |
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gpios = <&gpio 21 GPIO_ACTIVE_LOW>; |
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}; |
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wps { |
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label = "WPS/MI button"; |
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linux,code = <KEY_WPS_BUTTON>; |
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gpios = <&gpio 19 GPIO_ACTIVE_LOW>; |
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}; |
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}; |
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leds { |
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compatible = "gpio-leds"; |
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led_red: led_red { |
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label = "mi-router-4q:red:led"; |
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gpios = <&gpio 1 GPIO_ACTIVE_LOW>; |
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}; |
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led_yellow: led_yellow { |
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label = "mi-router-4q:yellow:led"; |
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gpios = <&gpio 22 GPIO_ACTIVE_LOW>; |
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}; |
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led_blue: led_blue { |
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label = "mi-router-4q:blue:led"; |
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gpios = <&gpio 14 GPIO_ACTIVE_LOW>; |
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}; |
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}; |
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}; |
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&uart { |
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status = "okay"; |
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}; |
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&gpio { |
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status = "okay"; |
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}; |
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&spi { |
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status = "okay"; |
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num-cs = <1>; |
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flash@0 { |
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compatible = "jedec,spi-nor"; |
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reg = <0>; |
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spi-max-frequency = <25000000>; |
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partitions { |
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compatible = "fixed-partitions"; |
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#address-cells = <1>; |
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#size-cells = <1>; |
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partition@0 { |
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label = "u-boot"; |
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reg = <0x000000 0x30000>; |
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read-only; |
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}; |
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partition@30000 { |
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label = "nvram"; |
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reg = <0x030000 0x10000>; |
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read-only; |
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}; |
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partition@40000 { |
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label = "boarddata"; |
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reg = <0x40000 0x10000>; |
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read-only; |
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}; |
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partition@50000 { |
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label = "crash"; |
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reg = <0x50000 0x10000>; |
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read-only; |
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}; |
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art: partition@60000 { |
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label = "art"; |
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reg = <0x60000 0x10000>; |
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read-only; |
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}; |
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partition@70000 { |
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label = "cfg_bak"; |
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reg = <0x70000 0x20000>; |
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read-only; |
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}; |
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partition@90000 { |
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label = "overlay"; |
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reg = <0x90000 0x170000>; |
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read-only; |
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}; |
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partition@200000 { |
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compatible = "denx,uimage"; |
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label = "firmware"; |
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reg = <0x200000 0xe00000>; |
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}; |
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}; |
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}; |
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}; |
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ð0 { |
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status = "okay"; |
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phy-handle = <&swphy4>; |
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mtd-mac-address = <&art 0x0>; |
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}; |
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ð1 { |
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status = "okay"; |
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mtd-mac-address = <&art 0x6>; |
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}; |
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&wmac { |
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status = "okay"; |
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mtd-cal-data = <&art 0x1000>; |
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mtd-mac-address = <&art 0x0>; |
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mtd-mac-address-increment = <1>; |
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}; |
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