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ramips: mt76x8: add support for Cudy LT400E v1
This commit adds support for the Cudy LT400E v1, an indoor 4G/LTE WiFi router. It has 4x10/100 Mbps Ethernet ports, a 2.4 GHz radio, and a Quectel 4G/LTE EC200A modem. Hardware: SoC: MediaTek MT7628NN Flash: 8 MiB SPI RAM: 64 MiB Ethernet: 4x10/100 Mbps WiFi: 2.4 GHz (embedded MT7628, 802.11n) WWAN: Quectel EC200A-EL 4G/LTE Cat 4 modem SIM: nano-SIM slot Buttons: 1 Reset button, 1 WPS button LEDs: 10x (blue) Power: 12 V DC barrel jack Installation: The stock firmware is a customized variant of OpenWrt, which implements a signature check that only allows flashing official firmware. Cudy offers, on their website [1][6], intermediate OpenWrt firmware images which do not implement the signature check. After flashing the intermediate image, the upstream (i.e., official) OpenWrt image can be installed. See the device's entry in OpenWrt's Wiki for more details [2]. Cellular network: The Quectel EC200A modem is internally connected to the SoC via USB, and operates in ECM mode, supported by the CDC Ether driver [3]. When inserting a SIM card in the slot, if no PIN is needed, the network interface "usb0" is brought up and the cellular connection works out of the box. To interact with the modem directly (unlock the PIN, change APN and PDP settings, etc.), AT commands can be sent with picocom to serial port /dev/ttyUSB2 [4]. Recovery: The stock firmware can be recovered via TFTP, as the bootloader (based on U-Boot) implements a recovery client. Set up a TFTP server on your computer with IP 192.168.88.1/24 serving the stock firmware from Cudy's website renamed to "recovery.bin". Press the Reset button (keep it pressed), power on the device, wait for the TFTP server to send the recovery.bin file, then release the Reset button. The router will take a couple of minutes to reboot and set up the stock firmware. See the device's entry in OpenWrt's Wiki for more details [2]. Discussion: Use the dedicated thread in OpenWrt's forum to discuss any aspects [5]. Acknowledgments: The code to support this device is largely based on the sources kindly provided by Cudy in compliance with the GPL license. Thanks for supporting the OpenWrt community. Links: [1] https://www.cudy.com/blogs/faq/openwrt-software-download [2] https://openwrt.org/toh/cudy/lt400e_v1 [3] https://openwrt.org/docs/guide-user/network/wan/wwan/ethernetoverusb_cdc [4] https://openwrt.org/docs/guide-user/network/wan/wwan/at_commands [5] https://forum.openwrt.org/t/242466 [6] https://drive.google.com/drive/folders/1BKVarlwlNxf7uJUtRhuMGUqeCa5KpMnj Co-authored-by: rogerpueyo <roger.pueyo@guifi.net> Signed-off-by: Kamil Jońca <kjonca@onet.pl> Link: https://github.com/openwrt/openwrt/pull/21246 Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
This commit is contained in:
Kamil Jońca
Hauke Mehrtens
parent
c0fb8e1f35
commit
1c62e21a8d
4 changed files with 251 additions and 0 deletions
225
target/linux/ramips/dts/mt7628an_cudy_lt400e-v1.dts
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225
target/linux/ramips/dts/mt7628an_cudy_lt400e-v1.dts
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@ -0,0 +1,225 @@
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// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
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#include "mt7628an.dtsi"
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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 <dt-bindings/leds/common.h>
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/ {
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compatible = "cudy,lt400e-v1", "mediatek,mt7628an-soc";
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model = "Cudy LT400E v1";
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aliases {
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led-boot = &led_power;
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led-running = &led_power;
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led-failsafe = &led_power;
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led-upgrade = &led_power;
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label-mac-device = ðernet;
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};
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chosen {
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bootargs = "console=ttyS0,115200";
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};
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leds {
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compatible = "gpio-leds";
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led_power: power {
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function = LED_FUNCTION_POWER;
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color = <LED_COLOR_ID_BLUE>;
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gpios = <&gpio 37 GPIO_ACTIVE_LOW>;
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};
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internet {
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function = LED_FUNCTION_MOBILE;
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color = <LED_COLOR_ID_BLUE>;
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gpios = <&gpio 39 GPIO_ACTIVE_LOW>;
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};
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wifi {
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function = LED_FUNCTION_WLAN;
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color = <LED_COLOR_ID_BLUE>;
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gpios = <&gpio 41 GPIO_ACTIVE_LOW>;
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};
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lan1 {
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function = LED_FUNCTION_LAN;
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color = <LED_COLOR_ID_BLUE>;
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function-enumerator = <1>;
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gpios = <&gpio 42 GPIO_ACTIVE_LOW>;
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};
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lan2 {
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function = LED_FUNCTION_LAN;
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color = <LED_COLOR_ID_BLUE>;
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function-enumerator = <2>;
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gpios = <&gpio 43 GPIO_ACTIVE_LOW>;
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};
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lan3 {
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function = LED_FUNCTION_LAN;
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color = <LED_COLOR_ID_BLUE>;
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function-enumerator = <3>;
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gpios = <&gpio 44 GPIO_ACTIVE_LOW>;
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};
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lan4 {
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function = LED_FUNCTION_LAN;
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color = <LED_COLOR_ID_BLUE>;
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function-enumerator = <4>;
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gpios = <&gpio 45 GPIO_ACTIVE_LOW>;
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};
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signal1 {
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label = "blue:signal1";
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gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
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};
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signal2 {
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label = "blue:signal2";
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gpios = <&gpio 2 GPIO_ACTIVE_LOW>;
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};
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led-signal3 {
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label = "blue:signal3";
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gpios = <&gpio 0 GPIO_ACTIVE_LOW>;
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};
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};
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gpio-export {
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compatible = "gpio-export";
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usb4g {
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gpio-export,name = "4g";
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gpio-export,output = <0>;
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gpios = <&gpio 3 GPIO_ACTIVE_HIGH>;
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};
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};
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gpio-keys {
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compatible = "gpio-keys";
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reset {
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label = "reset";
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linux,code = <KEY_RESTART>;
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gpios = <&gpio 11 GPIO_ACTIVE_LOW>;
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};
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wps {
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label = "wps";
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gpios = <&gpio 5 GPIO_ACTIVE_LOW>;
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linux,code = <KEY_WPS_BUTTON>;
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};
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};
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};
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&state_default {
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gpio {
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groups = "i2c", "gpio", "wdt", "p0led_an", "wled_an";
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function = "gpio";
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};
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};
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&pcie0 {
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wifi@0,0 {
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compatible = "mediatek,mt76";
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reg = <0x0000 0 0 0 0>;
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nvmem-cells = <&eeprom_factory_8000>, <&macaddr_bdinfo_de00 2>;
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nvmem-cell-names = "eeprom", "mac-address";
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ieee80211-freq-limit = <5000000 6000000>;
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};
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};
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&wmac {
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status = "okay";
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nvmem-cells = <&eeprom_factory_0>, <&macaddr_bdinfo_de00 0>;
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nvmem-cell-names = "eeprom", "mac-address";
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};
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ðernet {
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nvmem-cells = <&macaddr_bdinfo_de00 0>;
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nvmem-cell-names = "mac-address";
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};
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&ehci {
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status = "okay";
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};
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&ohci {
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status = "okay";
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};
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&spi0 {
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status = "okay";
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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 = <40000000>;
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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 = <0x0 0x30000>;
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read-only;
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};
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partition@30000 {
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label = "u-boot-env";
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reg = <0x30000 0x10000>;
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read-only;
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};
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partition@40000 {
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label = "factory";
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reg = <0x40000 0x10000>;
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read-only;
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nvmem-layout {
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compatible = "fixed-layout";
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#address-cells = <1>;
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#size-cells = <1>;
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eeprom_factory_0: eeprom@0 {
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reg = <0x0 0x400>;
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};
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eeprom_factory_8000: eeprom@8000 {
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reg = <0x8000 0x4da8>;
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};
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};
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};
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partition@50000 {
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compatible = "denx,uimage";
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label = "firmware";
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reg = <0x50000 0x7a0000>;
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};
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partition@ff0000 {
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label = "bdinfo";
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reg = <0x7f0000 0x10000>;
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read-only;
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nvmem-layout {
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compatible = "fixed-layout";
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#address-cells = <1>;
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#size-cells = <1>;
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macaddr_bdinfo_de00: macaddr@de00 {
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compatible = "mac-base";
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reg = <0xde00 0x6>;
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#nvmem-cell-cells = <1>;
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};
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};
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};
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};
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};
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};
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@ -199,6 +199,17 @@ define Device/creality_wb-01
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endef
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TARGET_DEVICES += creality_wb-01
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define Device/cudy_lt400e-v1
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IMAGE_SIZE := 7808k
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DEVICE_VENDOR := Cudy
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DEVICE_MODEL := LT400E
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DEVICE_VARIANT := v1
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DEVICE_PACKAGES := kmod-usb2 kmod-usb-ohci kmod-usb-net-cdc-ether \
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kmod-usb-serial-option
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SUPPORTED_DEVICES += cudy,lt400e
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endef
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TARGET_DEVICES += cudy_lt400e-v1
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define Device/cudy_m1200-v1
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IMAGE_SIZE := 15872k
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DEVICE_VENDOR := Cudy
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@ -27,6 +27,14 @@ yuncore,m300)
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creality,wb-01)
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ucidef_set_led_switch "lan" "lan" "blue:lan" "switch0" "0x1"
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;;
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cudy,lt400e-v1)
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ucidef_set_led_switch "lan1" "lan1" "blue:lan-1" "switch0" "0x08"
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ucidef_set_led_switch "lan2" "lan2" "blue:lan-2" "switch0" "0x04"
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ucidef_set_led_switch "lan3" "lan3" "blue:lan-3" "switch0" "0x02"
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ucidef_set_led_switch "lan4" "lan4" "blue:lan-4" "switch0" "0x01"
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ucidef_set_led_netdev "wifi" "wifi" "blue:wlan" "phy0-ap0"
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ucidef_set_led_netdev "internet" "internet" "blue:internet" "usb0"
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;;
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cudy,wr1000)
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ucidef_set_led_switch "wan" "wan" "blue:wan" "switch0" "0x10"
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ucidef_set_led_switch "lan1" "lan1" "blue:lan1" "switch0" "0x08"
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@ -100,6 +100,13 @@ ramips_setup_interfaces()
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ucidef_add_switch "switch0" \
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"4:lan" "6@eth0"
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;;
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cudy,lt400e-v1)
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ucidef_add_switch "switch0" \
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"3:lan:1" "2:lan:2" "1:lan:3" "0:lan:4" "6@eth0"
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ucidef_set_interface "wwan" device "usb0" protocol "dhcp"
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uci add_list firewall.@zone[1].network='wwan'
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uci add_list firewall.@zone[1].network='wwan6'
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;;
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cudy,m1200-v1|\
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cudy,tr1200-v1)
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ucidef_add_switch "switch0" \
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