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[draft] mediatek: add support Securifi Almond 3S
WIP: - LED - Screen - Zigbee - Sound - Reboot is not working for now 1. Boot into initramfs: In U-Boot press 4, set computer IP to 10.10.10.3, serve via tftp: ``` tftpboot 0x80001000 openwrt-ramips-mt7621-securifi_almond-3s-initramfs-kernel.bin go 0x80001000 ``` 2. Backup all partitions via luci menu 3. Flash uboot-mt7621 by https://github.com/DragonBluep/uboot-mt7621 ``` insmod mtd-rw i_want_a_brick=1 mtd write u-boot-mt7621.bin u-boot ``` 4. Serve sysupgrade via luci, wait 4-5 minutes. 5. Power off / Power on wait for more 11 minutes till the filesystem initialize and enjoy OpenWrt! Signed-off-by: Fil Dunsky <filipp.dunsky@gmail.com>
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‎target/linux/ramips/dts/mt7621_securifi_almond-3s.dts‎

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// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
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/*
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* Copyright (c) 2026
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* Author: Fil Dunsky <filipp.dunsky@gmail.com>
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*/
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#include "mt7621.dtsi"
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#include <dt-bindings/input/input.h>
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#include <dt-bindings/leds/common.h>
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#include <dt-bindings/gpio/gpio.h>
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/ {
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model = "Securifi Almond 3S";
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compatible = "securifi,almond-3s", "mediatek,mt7621-soc";
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chosen {
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bootargs = "console=ttyS0,57600n8";
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};
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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 32 GPIO_ACTIVE_LOW>;
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debounce-interval = <20>;
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};
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tamper {
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label = "tamper";
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linux,code = <BTN_0>;
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gpios = <&gpio 28 GPIO_ACTIVE_LOW>;
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debounce-interval = <20>;
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};
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};
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leds {
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compatible = "gpio-leds";
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display_power {
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label = "display:power";
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gpios = <&gpio 31 GPIO_ACTIVE_HIGH>;
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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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modem-reset {
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gpio-export,name = "modem_reset";
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gpio-export,output = <1>;
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gpios = <&gpio 33 GPIO_ACTIVE_LOW>;
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};
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};
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};
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&i2c {
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status = "okay";
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};
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&gdma {
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status = "okay";
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};
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&i2s {
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status = "okay";
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#sound-dai-cells = <0>;
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};
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&spi0 {
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status = "okay";
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flash@0 { /* MT25QL512AB */
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compatible = "jedec,spi-nor";
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reg = <0>;
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spi-max-frequency = <52000000>;
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#address-cells = <1>;
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#size-cells = <1>;
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partitions: 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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};
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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 0x1000>;
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};
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eeprom_factory_8000: eeprom@8000 {
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reg = <0x8000 0x1000>;
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};
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mac_wifi2g: macaddr@4 {
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reg = <0x4 0x6>;
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};
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mac_lan: macaddr@28 {
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reg = <0x28 0x6>;
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};
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mac_wan: macaddr@2e {
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reg = <0x2e 0x6>;
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};
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mac_wifi5g: macaddr@8004 {
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reg = <0x8004 0x6>;
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};
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};
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};
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partition@50000 {
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compatible = "openwrt,uimage", "denx,uimage";
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label = "firmware";
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reg = <0x0050000 0x3fb0000>;
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};
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};
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};
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};
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&pcie {
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status = "okay";
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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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ieee80211-freq-limit = <5000000 6000000>;
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nvmem-cells = <&eeprom_factory_8000>, <&mac_wifi5g>;
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nvmem-cell-names = "eeprom", "mac-address";
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};
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};
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&pcie1 {
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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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ieee80211-freq-limit = <2400000 2500000>;
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nvmem-cells = <&eeprom_factory_0>, <&mac_wifi2g>;
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nvmem-cell-names = "eeprom", "mac-address";
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};
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};
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&gmac0 {
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nvmem-cells = <&mac_lan>;
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nvmem-cell-names = "mac-address";
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};
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&ethphy0 {
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/delete-property/ interrupts;
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};
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&ethernet {
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pinctrl-0 = <&mdio_pins>;
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};
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&switch0 {
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ports {
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port@0 {
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status = "okay";
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label = "wan";
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nvmem-cells = <&mac_wan>;
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nvmem-cell-names = "mac-address";
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};
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port@1 {
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status = "okay";
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label = "lan2";
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};
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port@2 {
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status = "okay";
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label = "lan1";
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};
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};
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};
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&uartlite2 {
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status = "okay";
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current-speed = <57600>;
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};
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&uartlite3 {
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status = "okay";
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current-speed = <57600>;
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};
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&xhci {
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status = "okay";
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};

‎target/linux/ramips/image/mt7621.mk‎

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endef
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TARGET_DEVICES += samknows_whitebox-v8
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define Device/securifi_almond-3s
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$(Device/dsa-migration)
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$(Device/uimage-lzma-loader)
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DEVICE_VENDOR := Securifi
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DEVICE_MODEL := Almond
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DEVICE_VARIANT := 3S
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IMAGE_SIZE := 65216k
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KERNEL_LOADADDR := 0x80001000
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KERNEL_INITRAMFS := kernel-bin | append-dtb | lzma | loader-kernel
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IMAGE/sysupgrade.bin := append-kernel | pad-to 64k | append-rootfs | \
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pad-rootfs | check-size | append-metadata
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DEVICE_PACKAGES := kmod-mt7603 kmod-mt7615e kmod-mt7663-firmware-ap \
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kmod-mt76x2 kmod-usb3 -uboot-envtools \
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kmod-usb-net-qmi-wwan kmod-usb-serial-option uqmi
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endef
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TARGET_DEVICES += securifi_almond-3s
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define Device/sercomm_na502
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$(Device/nand)
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$(Device/uimage-lzma-loader)

‎target/linux/ramips/mt7621/base-files/etc/board.d/02_network‎

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xiaomi,mi-router-4a-gigabit-v2)
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ucidef_set_interfaces_lan_wan "lan1 lan2" "wan"
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;;
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securifi,almond-3s)
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ucidef_set_interfaces_lan_wan "lan1 lan2" "wan"
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ucidef_set_interface "modem" device "/dev/cdc-wdm0" protocol "qmi"
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uci add_list firewall.@zone[1].network='modem'
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;;
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bolt,arion)
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ucidef_set_interfaces_lan_wan "lan" "wan"
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ucidef_set_interface "eth_data" device "modem.103" protocol "static" ipaddr "10.22.127.222" netmask "255.255.255.255"

‎target/linux/ramips/mt7621/config-6.12‎

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CONFIG_MTD_UBI_NVMEM=y
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CONFIG_MTD_UBI_WL_THRESHOLD=4096
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CONFIG_MTD_VIRT_CONCAT=y
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CONFIG_MTK_NET_PHYLIB=y
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CONFIG_NEED_DMA_MAP_STATE=y
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CONFIG_NEED_SRCU_NMI_SAFE=y
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# CONFIG_NET_AIROHA is not set

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