ramips: add support for ALFA Network R36M-E4G
ALFA Network R36M-E4G is a dual-SIM, N300 Wi-Fi, compact size platform based on MediaTek MT7620A WiSoC. This product is designed for operation with 4G modem (can be bought in bundle with Quectel EC25, EG25 or EP06) but supports also Wi-Fi modules (miniPCIe slot has USB and PCIe buses). Specification: - MT7620A (580 MHz) - 64/128/256 MB of RAM (DDR2) - 16/32+ MB of FLASH (SPI NOR) - 2x 10/100 Mbps Ethernet, with passive PoE support (24 V) - 2T2R 2.4 GHz (MT7620A), with ext. LNA (RFFM4227) - 1x miniPCIe slot (with PCIe and USB 2.0 buses and optional 5 V) - 2x SIM slot (mini, micro) with detect and switch driven by GPIO - 2x u.fl antenna connectors (for Wi-Fi) - 8x LED (7 driven by GPIO) - 2x button (reset, wifi) - 2x UART (4-pin/2.54 mm pitch, 10-pin/1.27 mm pitch) headers on PCB - 1x I2C (4-pin, 1.27 mm pitch) header on PCB - 1x LED (8-pin, 1.27 mm pitch) header on PCB - 1x DC jack with lock (12 V) Other: - there is a dedicated, 4-pin connector for optional RTC module (Holtek HT138x) with 'enable' input, not available at the time of preparing support for this board - miniPCIe slot supports additional 5 V supply on pins 47 and 49 but a jumper resistor (R174) is not installed by default - U-Boot selects default SIM slot, based on value of 'default_sim' env variable: '1' or unset -> SIM1 (mini), '2' -> SIM2 (micro). This will work only if both slots are occupied, otherwise U-Boot will always select slot with SIM card inside (user can override it later, in user-space) - U-Boot resets the modem, using PERSTn signal, before starting kernel - this board supports 'dual image' feature (controlled by 'dual_image' U-Boot environment variable) Flash instruction: You can use the 'sysupgrade' image directly in vendor firmware which is based on OpenWrt (make sure to not preserve settings - use 'sysupgrade -n -F ...' command). Alternatively, use web recovery mode in U-Boot: 1. Power the device with reset button pressed, the modem LED will start blinking slowly and after ~3 seconds, when it starts blinking faster, you can release the button. 2. Setup static IP 192.168.1.2/24 on your PC. 3. Go to 192.168.1.1 in browser and upload 'sysupgrade' image. Signed-off-by: Piotr Dymacz <pepe2k@gmail.com>
This commit is contained in:
Piotr Dymacz
parent
bc173ddd83
commit
dfecf94c20
218
target/linux/ramips/dts/mt7620a_alfa-network_r36m-e4g.dts
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218
target/linux/ramips/dts/mt7620a_alfa-network_r36m-e4g.dts
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@ -0,0 +1,218 @@
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// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
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/dts-v1/;
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#include "mt7620a.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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/ {
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compatible = "alfa-network,r36m-e4g", "ralink,mt7620a-soc";
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model = "ALFA Network R36M-E4G";
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aliases {
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label-mac-device = &wmac;
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led-boot = &led_system;
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led-failsafe = &led_system;
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led-running = &led_system;
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led-upgrade = &led_system;
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};
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chosen {
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bootargs = "console=ttyS1,115200";
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};
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gpio-export {
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compatible = "gpio-export";
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#size-cells = <0>;
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modem-enable {
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gpio-export,name = "modem-enable";
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gpio-export,output = <1>;
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gpios = <&gpio1 12 GPIO_ACTIVE_HIGH>;
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};
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modem-rf-enable {
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gpio-export,name = "modem-rf-enable";
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gpio-export,output = <1>;
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gpios = <&gpio1 1 GPIO_ACTIVE_HIGH>;
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};
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rtc-enable {
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gpio-export,name = "rtc-enable";
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gpio-export,output = <1>;
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gpio-export,direction_may_change = <1>;
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gpios = <&gpio1 8 GPIO_ACTIVE_HIGH>;
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};
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sim-select {
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gpio-export,name = "sim-select";
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gpio-export,output = <0>;
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gpios = <&gpio1 0 GPIO_ACTIVE_HIGH>;
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};
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sim1-detect {
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gpio-export,name = "sim1-detect";
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gpios = <&gpio1 4 GPIO_ACTIVE_HIGH>;
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};
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sim2-detect {
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gpio-export,name = "sim2-detect";
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gpios = <&gpio2 1 GPIO_ACTIVE_HIGH>;
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};
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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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gpios = <&gpio1 9 GPIO_ACTIVE_LOW>;
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linux,code = <KEY_RESTART>;
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};
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rfkill {
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label = "rfkill";
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gpios = <&gpio1 7 GPIO_ACTIVE_LOW>;
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linux,code = <KEY_RFKILL>;
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};
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};
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leds {
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compatible = "gpio-leds";
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4g {
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label = "r36m-e4g:orange:4g";
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gpios = <&gpio1 3 GPIO_ACTIVE_LOW>;
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};
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lan {
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label = "r36m-e4g:green:lan";
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gpios = <&gpio2 3 GPIO_ACTIVE_LOW>;
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};
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led_system: system {
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label = "r36m-e4g:green:system";
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gpios = <&gpio2 0 GPIO_ACTIVE_LOW>;
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default-state = "keep";
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};
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sim1 {
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label = "r36m-e4g:green:sim1";
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gpios = <&gpio1 5 GPIO_ACTIVE_LOW>;
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default-state = "keep";
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};
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sim2 {
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label = "r36m-e4g:green:sim2";
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gpios = <&gpio2 2 GPIO_ACTIVE_LOW>;
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default-state = "keep";
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};
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wan {
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label = "r36m-e4g:green:wan";
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gpios = <&gpio2 4 GPIO_ACTIVE_LOW>;
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};
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wlan {
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label = "r36m-e4g:orange:wlan";
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gpios = <&gpio3 0 GPIO_ACTIVE_LOW>;
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linux,default-trigger = "phy0radio";
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};
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};
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};
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&ehci {
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status = "okay";
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};
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ðernet {
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mtd-mac-address = <&factory 0x28>;
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};
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&gpio1 {
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status = "okay";
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};
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&gpio2 {
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status = "okay";
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};
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&gpio3 {
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status = "okay";
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};
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&gsw {
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mediatek,port4 = "ephy";
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};
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&i2c {
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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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&pinctrl {
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state_default: pinctrl0 {
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gpio {
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ralink,group = "ephy", "pcie", "rgmii1", "wled";
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ralink,function = "gpio";
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};
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};
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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 = <50000000>;
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m25p,fast-read;
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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 0x1000>;
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};
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partition@31000 {
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label = "config";
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reg = <0x31000 0xf000>;
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read-only;
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};
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factory: 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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};
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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 0xfb0000>;
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};
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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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&wmac {
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ralink,mtd-eeprom = <&factory 0>;
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};
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@ -35,6 +35,15 @@ define Device/alfa-network_ac1200rm
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endef
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TARGET_DEVICES += alfa-network_ac1200rm
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define Device/alfa-network_r36m-e4g
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MTK_SOC := mt7620a
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IMAGE_SIZE := 16064k
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DEVICE_VENDOR := ALFA Network
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DEVICE_MODEL := R36M-E4G
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DEVICE_PACKAGES := kmod-i2c-ralink kmod-usb2 kmod-usb-ohci uboot-envtools uqmi
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endef
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TARGET_DEVICES += alfa-network_r36m-e4g
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define Device/alfa-network_tube-e4g
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MTK_SOC := mt7620a
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IMAGE_SIZE := 16064k
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@ -24,6 +24,11 @@ aigale,ai-br100)
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alfa-network,ac1200rm)
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set_wifi_led "$boardname:green:wlan2g" "wlan1"
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;;
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alfa-network,r36m-e4g)
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ucidef_set_led_netdev "4g" "4g" "$boardname:orange:4g" "wwan0"
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ucidef_set_led_switch "lan" "lan" "$boardname:green:lan" "switch0" "0x8"
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ucidef_set_led_switch "wan" "wan" "$boardname:green:wan" "switch0" "0x10"
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;;
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alfa-network,tube-e4g)
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ucidef_set_led_netdev "4g" "4g" "$boardname:green:4g" "wwan0"
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ucidef_set_led_netdev "lan" "lan" "$boardname:blue:lan" "eth0"
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@ -32,6 +32,11 @@ ramips_setup_interfaces()
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ucidef_add_switch "switch0" \
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"0:lan" "1:lan" "2:lan" "3:lan" "4:wan" "6@eth0"
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;;
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alfa-network,r36m-e4g|\
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zbtlink,zbt-we1026-h-32m)
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ucidef_add_switch "switch0" \
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"3:lan" "4:wan" "6@eth0"
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;;
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alfa-network,tube-e4g|\
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buffalo,wmr-300|\
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dlink,dch-m225|\
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@ -190,10 +195,6 @@ ramips_setup_interfaces()
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ucidef_add_switch "switch0" \
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"0:lan" "6t@eth0"
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;;
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zbtlink,zbt-we1026-h-32m)
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ucidef_add_switch "switch0" \
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"3:lan" "4:wan" "6@eth0"
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;;
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zbtlink,zbt-we2026)
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ucidef_add_switch "switch0" \
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"0:lan:4" "1:lan:3" "2:lan:2" "3:lan:1" "4:wan:5" "6@eth0"
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@ -259,6 +260,11 @@ ramips_setup_macs()
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zbtlink,zbt-wr8305rt)
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wan_mac=$(macaddr_add "$(cat /sys/class/net/eth0/address)" 1)
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;;
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alfa-network,r36m-e4g|\
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zbtlink,zbt-we1026-h-32m)
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wan_mac=$(mtd_get_mac_binary factory 0x2e)
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label_mac=$(mtd_get_mac_binary factory 0x4)
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;;
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dlink,dch-m225)
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lan_mac=$(mtd_get_mac_ascii factory lanmac)
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;;
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@ -314,10 +320,6 @@ ramips_setup_macs()
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zbtlink,zbt-we1026-5g-16m)
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label_mac=$(mtd_get_mac_binary factory 0x4)
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;;
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zbtlink,zbt-we1026-h-32m)
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wan_mac=$(mtd_get_mac_binary factory 0x2e)
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label_mac=$(mtd_get_mac_binary factory 0x4)
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;;
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zyxel,keenetic-omni|\
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zyxel,keenetic-omni-ii|\
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zyxel,keenetic-viva)
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@ -5,6 +5,7 @@ START=99
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boot() {
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case $(board_name) in
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alfa-network,ac1200rm|\
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alfa-network,r36m-e4g|\
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alfa-network,tube-e4g)
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[ -n "$(fw_printenv bootcount bootchanged 2>/dev/null)" ] &&\
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echo -e "bootcount\nbootchanged\n" | /usr/sbin/fw_setenv -s -
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@ -17,6 +17,7 @@ platform_do_upgrade() {
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case "$board" in
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alfa-network,ac1200rm|\
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alfa-network,r36m-e4g|\
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alfa-network,tube-e4g)
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[ "$(fw_printenv -n dual_image 2>/dev/null)" = "1" ] &&\
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[ -n "$(find_mtd_part backup)" ] && {
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