Files
openwrt_mitrastar/target/linux/mediatek/dts/mt7981b-cudy-wr3000e-v1.dts
Roland Reinl 300335f1ff mediatek: filogic: add support for Cudy WR3000E v1
The WR3000E has the same board layout as the WR3000S. Differences:
- Different flash chip
- LEDs with red/blue colour intead of white

Hardware:
- MediaTek MT7981 WiSoC
- 256MB DDR3 RAM
- 128MB SPI-NAND (F50L1G41LB)
- MediaTek MT7981 2x2 DBDC 802.11ax 2T2R (2.4 / 5)

MAC Addresses in OEM firmware:
- There is one on the label, e.g. AA:BB:CC:DD:EE:FF
- WLAN (2.4G) uses the same as on the label
- WLAN (5G) is the one on the label but
  - first byte (e.g. AA) + 2
  - fourth byte (e.g. DD) - 0x40
- WAN is the one on the label + 1
- LAN is the one on the label

MAC Addresses in OpenWrt:
- Same handling as in WR3000s is used

GPIO:
- 2 Buttons (all low active):
  - WPS on GPIO 0
  - Reset on GPIO 1
- 6 LEDs (all low active):
  - Power: Blue on GPIO 8, no red LED
  - WPS: Blue on GPIO 10, Red on GPIO 4
  - Internet: Blue on GPIO 11, no red LED
  - LAN: Blue on GPIO 9, Red on GPIO 5
  - WiFi 2.4G: Blue on GPIO 6, no red LED
  - WiFi 5G: Blue on GPIO 7, no red LED

Disassembly:
- Remove the 4 screws at the bottom of the case
- Cover is clipped to the bottom part of the case with clips in the front and the back

UART:
- UART pins are accessible on the bottom of the board
- The connector with the square shape is TX
- Pins: [ ] TX, ( ) RX, ( ) GND, ( ) VCC
- Settings: 115200 8N1 3.3V

Migration to OpenWrt via OEM firmware:
- There should be a migration image available from Cudy as soon as there is official OpenWrt support
- Download the migration image via OEM web interface
- After flashing, OpenWrt is accessible via 192.168.1.1
- Flash the official OpenWrt image

Migration to OpenWrt using TFTP:
- Connect UART as described above
- Press the reset button while powering on the device
- U-Boot will now try to load a recovery.bin via TFTP, this must be ignored
- After detecting a timeout, the U-Boot console is available via UART
- Set up a TFTP server on IP 192.168.1.88 and connect it to one of the LAN ports
- Provide the initramfs image via TFTP as cudy3000e.bin
- Run the following command in U-Boot: tftpboot 0x46000000 cudy3000e.bin; bootm 0x46000000
- OpenWrt initramfs image is now booting and accessible via 192.168.1.1
- Flash the sysupgrade image

Revert back to OEM:
- Set up a TFTP server on IP 192.168.1.88 and connect it to one of the LAN ports
- Provide the Cudy firmware via TFTP as recovery.bin
- Press the reset button while powering on the device
- Recovery process will start now
- After recovery is done, the OEM firmware is available at 192.168.10.1 again

Signed-off-by: Roland Reinl <reinlroland+github@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/18609
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2025-06-07 18:07:03 +02:00

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// SPDX-License-Identifier: (GPL-2.0 OR MIT)
/dts-v1/;
#include "mt7981b-cudy-wr3000-nand.dtsi"
/ {
model = "Cudy WR3000E v1";
compatible = "cudy,wr3000e-v1", "mediatek,mt7981";
aliases {
label-mac-device = &gmac0;
led-boot = &led_power;
led-failsafe = &led_power;
led-running = &led_power;
led-upgrade = &led_power;
serial0 = &uart0;
};
leds {
compatible = "gpio-leds";
led_power: led-power {
function = LED_FUNCTION_POWER;
color = <LED_COLOR_ID_BLUE>;
gpios = <&pio 8 GPIO_ACTIVE_LOW>;
};
led-lan-1 {
function = LED_FUNCTION_LAN;
color = <LED_COLOR_ID_BLUE>;
gpios = <&pio 9 GPIO_ACTIVE_LOW>;
};
led-lan-2 {
function = LED_FUNCTION_LAN;
color = <LED_COLOR_ID_RED>;
gpios = <&pio 5 GPIO_ACTIVE_LOW>;
};
led-wan {
function = LED_FUNCTION_WAN_ONLINE;
color = <LED_COLOR_ID_BLUE>;
gpios = <&pio 11 GPIO_ACTIVE_LOW>;
};
led-wps-1 {
function = LED_FUNCTION_WPS;
color = <LED_COLOR_ID_BLUE>;
gpios = <&pio 10 GPIO_ACTIVE_LOW>;
};
led-wps-2 {
function = LED_FUNCTION_WPS;
color = <LED_COLOR_ID_RED>;
gpios = <&pio 4 GPIO_ACTIVE_LOW>;
};
led-wlan2g {
function = LED_FUNCTION_WLAN_2GHZ;
color = <LED_COLOR_ID_BLUE>;
gpios = <&pio 6 GPIO_ACTIVE_LOW>;
linux,default-trigger = "phy0tpt";
};
led-wlan5g {
function = LED_FUNCTION_WLAN_5GHZ;
color = <LED_COLOR_ID_BLUE>;
gpios = <&pio 7 GPIO_ACTIVE_LOW>;
linux,default-trigger = "phy1tpt";
};
};
};
&switch {
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
label = "wan";
nvmem-cell-names = "mac-address";
nvmem-cells = <&macaddr_bdinfo_de00 1>;
};
port@1 {
reg = <1>;
label = "lan1";
};
port@2 {
reg = <2>;
label = "lan2";
};
port@3 {
reg = <3>;
label = "lan3";
};
port@4 {
reg = <4>;
label = "lan4";
};
port@6 {
reg = <6>;
label = "cpu";
ethernet = <&gmac0>;
phy-mode = "2500base-x";
fixed-link {
speed = <2500>;
full-duplex;
pause;
};
};
};
};