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ramips: mt7621: add support for ZyXEL WSM20
The ZyXEL WSM20 aka Multy M1 is a cheap mesh router system by ZyXEL based on the MT7621 CPU. Specifications ============== SoC: MediaTek MT7621AT (880MHz) RAM: 256MiB Flash: 128MiB NAND Wireless: 802.11ax (2x2 MT7915E DBDC) Ethernet: 4x 10/100/1000 (MT7530) Button: 1x WPS, 1x Reset, 1x LED On/Off LED: 7 LEDs (3x white, 2x red, 2x green) MAC address assignment ====================== The MAC address assignment follows stock: The label MAC address is the LAN MAC address, the WAN address is read from flash. The WiFi MAC addresses are set in userspace to label MAC + 1 and label MAC + 2. Installation (web interface) ============================ The device is cloud-managed, but there is a hidden local firmware upgrade page in the OEM web interface. The device has to be registered in the cloud in order to be able to access this page. The system has a dual firmware design, there is no way to tell which firmware is currently booted. Therefore, an -initramfs version is flashed first. 1. Log into the OEM web GUI 2. Access the hidden upgrade page by navigating to https://192.168.212.1/gui/#/main/debug/firmwareupgrade 3. Upload the -initramfs-kernel.bin file and flash it 4. Wait for OpenWrt to boot and log in via SSH 5. Transfer the sysupgrade file via SCP 6. Run sysupgrade to install the image 7. Reboot and enjoy NB: If the initramfs version was installed in RAS2, the sysupgrade script sets the boot number to the first partition. A backup has to be performed manually in case the OEM firwmare should be kept. Installation (UART method) ========================== The UART method is more difficult, as the boot loader does not have a timeout set. A semi-working stock firmware is required to configure it: 1. Attach UART 2. Boot the stock firmware until the message about failsafe mode appears 3. Enter failsafe mode by pressing "f" and "Enter" 4. Type "mount_root" 5. Run "fw_setenv bootmenu_delay 3" 6. Reboot, U-Boot now presents a menu 7. The -initramfs-kernel.bin image can be flashed using the menu 8. Run the regular sysupgrade for a permanent installation Changing the partition to boot is a bit cumbersome in U-Boot, as there is no menu to select it. It can only be checked using mstc_bootnum. To change it, issue the following commands in U-Boot: nand read 1800000 53c0000 800 mw.b 1800004 1 1 nand erase 53c0000 800 nand write 1800000 53c0000 800 This selects FW1. Replace "mw.b 1800004 1 1" by "mw.b 1800004 2 1" to change to the second slot. Back to stock ============= It is possible to flash back to stock, but a OEM firmware upgrade is required. ZyXEL does not provide the link on its website, but the link can be acquired from the OEM web GUI by analyzing the transferred JSON objects. It is then a matter of writing the firmware to Kernel2 and setting the boot partition to FW2: mtd write zyxel.bin Kernel2 echo -ne "\x02" | dd of=/dev/mtdblock7 count=1 bs=1 seek=4 conv=notrunc Signed-off-by: Andreas Böhler <dev@aboehler.at> Credits to forum users Annick and SirLouen for their initial work on this device
This commit is contained in:
Andreas Böhler
Hauke Mehrtens
parent
d256ab7309
commit
28df7f7ff2
@ -62,7 +62,8 @@ h3c,tx1801-plus|\
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h3c,tx1806|\
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jcg,q20|\
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linksys,e7350|\
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netgear,wax202)
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netgear,wax202|\
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zyxel,wsm20)
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ubootenv_add_uci_config "/dev/mtd1" "0x0" "0x20000" "0x20000"
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;;
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haier,har-20s2u1|\
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233
target/linux/ramips/dts/mt7621_zyxel_wsm20.dts
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233
target/linux/ramips/dts/mt7621_zyxel_wsm20.dts
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@ -0,0 +1,233 @@
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// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
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#include "mt7621.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 = "zyxel,wsm20", "mediatek,mt7621-soc";
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model = "ZyXEL WSM20";
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aliases {
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led-boot = &led_system_white;
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led-failsafe = &led_system_red;
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led-running = &led_system_white;
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led-upgrade = &led_system_red;
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label-mac-device = &gmac0;
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};
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chosen {
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bootargs-override = "console=ttyS0,115200n1";
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};
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leds {
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compatible = "gpio-leds";
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led_system_white: led-0 {
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gpios = <&gpio 3 GPIO_ACTIVE_LOW>;
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label = "white:system";
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};
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led_system_red: led-1 {
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gpios = <&gpio 4 GPIO_ACTIVE_LOW>;
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label = "red:system";
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};
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led-2 {
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gpios = <&gpio 8 GPIO_ACTIVE_LOW>;
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label = "green:led1";
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};
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led-3 {
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gpios = <&gpio 0 GPIO_ACTIVE_LOW>;
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label = "white:led2";
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};
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led-4 {
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gpios = <&gpio 13 GPIO_ACTIVE_LOW>;
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label = "green:led3";
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};
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led-5 {
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gpios = <&gpio 17 GPIO_ACTIVE_HIGH>;
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label = "red:led4";
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};
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led-6 {
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gpios = <&gpio 5 GPIO_ACTIVE_HIGH>;
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label = "white:led5";
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};
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};
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keys {
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compatible = "gpio-keys";
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led {
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label = "led";
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gpios = <&gpio 16 GPIO_ACTIVE_LOW>;
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linux,code = <BTN_0>;
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};
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reset {
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label = "reset";
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gpios = <&gpio 6 GPIO_ACTIVE_LOW>;
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linux,code = <KEY_RESTART>;
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};
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wps {
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label = "wps";
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gpios = <&gpio 18 GPIO_ACTIVE_LOW>;
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linux,code = <KEY_WLAN>;
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};
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};
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};
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&nand {
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status = "okay";
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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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reg = <0x0 0x100000>;
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label = "Bootloader";
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read-only;
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};
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partition@100000 {
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reg = <0x100000 0x100000>;
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label = "Config";
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};
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factory: partition@200000 {
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reg = <0x200000 0x1c0000>;
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label = "Factory";
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read-only;
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};
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partition@3c0000 {
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reg = <0x3c0000 0x2800000>;
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label = "firmware";
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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 = "kernel";
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reg = <0x0 0x800000>;
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};
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partition@800000 {
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label = "ubi";
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reg = <0x800000 0x2000000>;
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};
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};
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partition@2bc0000 {
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reg = <0x2bc0000 0x2800000>;
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label = "Kernel2";
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};
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partition@53c0000 {
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reg = <0x53c0000 0x100000>;
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label = "persist";
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};
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partition@54c0000 {
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reg = <0x54c0000 0x400000>;
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label = "rootfs_data";
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read-only;
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};
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partition@58C0000 {
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reg = <0x58c0000 0x25c0000>;
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label = "app";
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read-only;
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};
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partition@7e80000 {
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reg = <0x7e80000 0x100000>;
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label = "crt";
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read-only;
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};
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};
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};
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&gmac0 {
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nvmem-cells = <&macaddr_factory_1fdfa>;
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nvmem-cell-names = "mac-address";
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};
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&gmac1 {
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status = "okay";
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label = "wan";
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phy-handle = <ðphy0>;
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nvmem-cells = <&macaddr_factory_1fdf4>;
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nvmem-cell-names = "mac-address";
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};
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&mdio {
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ethphy0: ethernet-phy@0 {
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reg = <0>;
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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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&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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mediatek,mtd-eeprom = <&factory 0x0>;
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mediatek,disable-radar-background;
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};
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};
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&pcie2 {
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status = "disabled";
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};
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&switch0 {
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ports {
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port@1 {
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status = "okay";
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label = "lan3";
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};
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port@2 {
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status = "okay";
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label = "lan2";
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};
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port@3 {
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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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&state_default {
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gpio {
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groups = "i2c", "uart3", "jtag", "wdt";
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function = "gpio";
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};
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};
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&factory {
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compatible = "nvmem-cells";
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#address-cells = <1>;
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#size-cells = <1>;
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macaddr_factory_1fdfa: macaddr@1fdfa {
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reg = <0x1fdfa 0x6>;
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};
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macaddr_factory_1fdf4: macaddr@1fdf4 {
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reg = <0x1fdf4 0x6>;
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};
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};
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@ -62,6 +62,29 @@ define Build/iodata-mstc-header
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)
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endef
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define Build/znet-header
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$(eval version=$(word 1,$(1)))
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( \
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data_size_crc="$$(dd if=$@ 2>/dev/null | gzip -c | \
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tail -c 8 | od -An -N4 -tx4 --endian big | tr -d ' \n')"; \
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payload_len="$$(dd if=$@ bs=4 count=1 skip=1 2>/dev/null | od -An -tdI --endian big | tr -d ' \n')"; \
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payload_size_crc="$$(dd if=$@ ibs=1 count=$$payload_len 2>/dev/null | gzip -c | \
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tail -c 8 | od -An -N4 -tx4 --endian big | tr -d ' \n')"; \
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echo -ne "\x5A\x4E\x45\x54" | dd bs=4 count=1 conv=sync 2>/dev/null; \
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echo -ne "$$(printf '%08x' $$(stat -c%s $@) | fold -s2 | xargs -I {} echo \\x{} | tac | tr -d '\n')" | \
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dd bs=4 count=1 conv=sync 2>/dev/null; \
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echo -ne "$$(echo $$data_size_crc | sed 's/../\\x&/g')" | \
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dd bs=4 count=1 conv=sync 2>/dev/null; \
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echo -ne "$$(echo $$payload_size_crc | sed 's/../\\x&/g')" | \
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dd bs=4 count=1 conv=sync 2>/dev/null; \
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echo -ne "\x12\x34\x56\x78" | dd bs=4 count=1 conv=sync 2>/dev/null; \
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echo -ne "$(version)" | dd bs=28 count=1 conv=sync 2>/dev/null; \
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dd if=/dev/zero bs=262096 count=1 conv=sync 2>/dev/null | tr "\000" "\377"; \
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cat $@; \
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) > $@.new
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mv $@.new $@
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endef
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define Build/belkin-header
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$(eval magic=$(word 1,$(1)))
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$(eval hw_ver=$(word 2,$(1)))
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@ -2875,3 +2898,19 @@ define Device/zyxel_wap6805
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IMAGE/sysupgrade.bin := sysupgrade-tar | append-metadata
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endef
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TARGET_DEVICES += zyxel_wap6805
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define Device/zyxel_wsm20
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$(Device/dsa-migration)
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BLOCKSIZE := 128k
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PAGESIZE := 2048
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KERNEL_SIZE := 8192k
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IMAGE_SIZE := 41943040
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UBINIZE_OPTS := -E 5
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DEVICE_VENDOR := ZyXEL
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DEVICE_MODEL := WSM20
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DEVICE_PACKAGES := kmod-mt7915-firmware
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KERNEL := kernel-bin | lzma | fit lzma $$(KDIR)/image-$$(firstword $$(DEVICE_DTS)).dtb | znet-header V1.00(ABZF.0)C0
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KERNEL_INITRAMFS := kernel-bin | lzma | fit lzma $$(KDIR)/image-$$(firstword $$(DEVICE_DTS)).dtb | znet-header V1.00(ABZF.0)C0
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IMAGE/sysupgrade.bin := sysupgrade-tar | append-metadata
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endef
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TARGET_DEVICES += zyxel_wsm20
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@ -49,7 +49,8 @@ ramips_setup_interfaces()
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xiaomi,mi-router-cr6606|\
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xiaomi,mi-router-cr6608|\
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xiaomi,mi-router-cr6609|\
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xiaomi,redmi-router-ac2100)
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xiaomi,redmi-router-ac2100|\
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zyxel,wsm20)
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ucidef_set_interfaces_lan_wan "lan1 lan2 lan3" "wan"
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;;
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asiarf,ap7621-001|\
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@ -181,4 +181,9 @@ case "$board" in
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[ "$PHYNBR" = "0" ] && macaddr_add $hw_mac_addr 1 > /sys${DEVPATH}/macaddress
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[ "$PHYNBR" = "1" ] && macaddr_add $hw_mac_addr 2 > /sys${DEVPATH}/macaddress
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;;
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zyxel,wsm20)
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hw_mac_addr="$(mtd_get_mac_binary Factory 0x1fdfa)"
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[ "$PHYNBR" = "0" ] && macaddr_add $hw_mac_addr 1 > /sys${DEVPATH}/macaddress
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[ "$PHYNBR" = "1" ] && macaddr_add $hw_mac_addr 2 > /sys${DEVPATH}/macaddress
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;;
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esac
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@ -155,6 +155,10 @@ platform_do_upgrade() {
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CI_KERNPART="Kernel"
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nand_do_upgrade "$1"
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;;
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zyxel,wsm20)
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zyxel_mstc_upgrade_prepare
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nand_do_upgrade "$1"
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;;
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*)
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default_do_upgrade "$1"
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;;
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39
target/linux/ramips/mt7621/base-files/lib/upgrade/zyxel.sh
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39
target/linux/ramips/mt7621/base-files/lib/upgrade/zyxel.sh
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@ -0,0 +1,39 @@
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#
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# Copyright (C) 2023 OpenWrt.org
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#
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. /lib/functions.sh
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zyxel_mstc_prepare_fail() {
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echo "failed to check and prepare the environment, rebooting..."
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umount -a
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reboot -f
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}
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zyxel_mstc_upgrade_prepare() {
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local persist_mtd="$(find_mtd_part persist)"
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local firmware_mtd="$(find_mtd_part firmware)"
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if [ -z "$persist_mtd" ] || [ -z "$firmware_mtd" ]; then
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echo 'cannot find mtd partition(s) "persist" or "firmware"'
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zyxel_mstc_prepare_fail
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fi
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local bootnum=$(hexdump -s 4 -n 1 -e '"%x"' ${persist_mtd})
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if [ "$bootnum" != "1" ] && [ "$bootnum" != "2" ]; then
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echo "failed to get bootnum, please check the value at 0x4 in ${persist_mtd}"
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zyxel_mstc_prepare_fail
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fi
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echo "current: bootnum => ${bootnum}"
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[ "$(fw_printenv -n bootmenu_delay)" = "3" ] || fw_setenv bootmenu_delay 3
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if [ "$bootnum" = "2" ]; then
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if ! ( echo -ne "\x01" | dd of=${persist_mtd} count=1 bs=1 seek=4 conv=notrunc 2>/dev/null ); then
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echo "failed to set new boot partition"
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zyxel_mstc_prepare_fail
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fi
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echo "### switch to 1st os-image on next boot ###"
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fi
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}
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