mediatek: filogic: add support for TP-LINK RE6000XD

This commit adds support for TP-LINK RE6000XD.
The device is quite similar to the Mercusys MR90X V1,
except only 3 LAN ports and more LEDs.
So thanks to csharper2005 for doing all the groundwork.

Device specification
--------------------
SoC Type:   MediaTek MT7986BLA, Cortex-A53, 64-bit
RAM:        MediaTek MT7986BLA (512MB)
Flash:      SPI NAND GigaDevice (128 MB)
Ethernet:   MediaTek MT7531AE + 2.5GbE MaxLinear GPY211C0VC (SLNW8)
Ethernet:   1x2.5Gbe (LAN3 2.5Gbps), 2xGbE (LAN 1Gbps, LAN1,
            LAN2)
WLAN 2g:    MediaTek MT7975N, b/g/n/ax, MIMO 4x4
WLAN 5g:    MediaTek MT7975P(N), a/n/ac/ax, MIMO 4x4
LEDs:       8 LEDs, 1 status blue, 2x WIFI blue, 2x signal
	    blue/red, 3 LAN blue gpio-controlled
Button:     2 (Reset, WPS)
USB ports:  No
Power:      12 VDC, 2 A
Connector:  Barrel
Bootloader: Main U-Boot - U-Boot 2022.01-rc4. Additionally, ubi0
            partition contain "seconduboot" (also U-Boot 2022.01-rc4)

Serial console (UART), unpopulated
---------------------
                            V
+-------+-------+-------+-------+
| +3.3V |  GND  |  TX   |  RX   |
+---+---+-------+-------+-------+
    |
    +--- Don't connect

Disassemble: rm the 2 screws at the bottom and the one at the backside.
            un-clip the case starting at the edge above the LEDs.

Installation (UART)
-------------------
1. Place OpenWrt initramfs image on tftp server with IP 192.168.1.2
2. Attach UART, switch on the router and interrupt the boot process by
   pressing 'Ctrl-C'
3. Load and run OpenWrt initramfs image:
      tftpboot openwrt-mediatek-filogic-tplink_re6000xd-initramfs-kernel.bin bootm
4. Run 'sysupgrade -n' with the sysupgrade OpenWrt image

Notice: while I was successfull at activating ssh (as described
        here:
        https://www.lisenet.com/2023/gaining-ssh-access-to-tp-link-re200-wi-fi-range-extender/)

        Unfortunately I haven't found the correct root password.
        Looks like they are using a static password
        (md5crypt, salt + 21 characters) that is not the web
        interface admin password.

        The TP-LINK RE900XD looks like the very same device,
        according to the pictures and the firmware.
        But I haven't checked if the OpenWrt firmware works as well
        on that device.

        The second ubi partition (ubi1) is empty and there is no known
        dual-partition mechanism, neither in u-boot nor in the stock firmware.

Signed-off-by: Dirk Buchwalder <buchwalder@posteo.de>

package/boot/uboot-envtools/files/mediatek_filogic

@@ -102,7 +102,8 @@ glinet,gl-mt3000)
 	ubootenv_add_uci_config "/dev/mtd1" "0x0" "0x80000" "0x20000"
 	;;
 mercusys,mr90x-v1|\
-routerich,ax3000)
+routerich,ax3000|\
+tplink,re6000xd)
 	local envdev=/dev/mtd$(find_mtd_index "u-boot-env")
 	ubootenv_add_uci_config "$envdev" "0x0" "0x20000" "0x20000" "1"
 	;;

target/linux/mediatek/dts/mt7986b-tplink-re6000xd.dts

@@ -0,0 +1,298 @@
+// SPDX-License-Identifier: (GL-2.0 OR MIT)
+
+/dts-v1/;
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/leds/common.h>
+
+#include "mt7986b.dtsi"
+
+/ {
+	compatible = "tplink,re6000xd", "mediatek,mt7986b";
+	model = "TP-Link RE6000XD";
+
+	aliases {
+		serial0 = &uart0;
+
+		led-boot = &led_status_blue;
+		led-failsafe = &led_status_blue;
+		led-running = &led_status_blue;
+		led-upgrade = &led_status_blue;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	memory {
+		reg = <0 0x40000000 0 0x20000000>;
+	};
+
+	keys {
+		compatible = "gpio-keys";
+
+		reset {
+			label = "reset";
+			gpios = <&pio 7 GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_RESTART>;
+		};
+
+		wps {
+			label = "wps";
+			gpios = <&pio 14 GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_WPS_BUTTON>;
+		};
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		led_status_blue: power {
+			gpios = <&pio 15 GPIO_ACTIVE_LOW>;
+			color = <LED_COLOR_ID_BLUE>;
+			function = LED_FUNCTION_STATUS;
+			panic-indicator;
+			function-enumerator = <0>;
+		};
+		wlan_2g {
+			gpios = <&pio 11 GPIO_ACTIVE_HIGH>;
+			color = <LED_COLOR_ID_BLUE>;
+			function = LED_FUNCTION_WLAN_2GHZ;
+			linux,default-trigger = "phy0tpt";
+		};
+		wlan_5g {
+			gpios = <&pio 12 GPIO_ACTIVE_LOW>;
+			color = <LED_COLOR_ID_BLUE>;
+			function = LED_FUNCTION_WLAN_5GHZ;
+			linux,default-trigger = "phy1tpt";
+		};
+		signal_blue {
+			gpios = <&pio 9 GPIO_ACTIVE_LOW>;
+			color = <LED_COLOR_ID_BLUE>;
+			function = LED_FUNCTION_STATUS;
+			function-enumerator = <1>;
+		};
+		signal_red {
+			gpios = <&pio 19 GPIO_ACTIVE_LOW>;
+			color = <LED_COLOR_ID_RED>;
+			function = LED_FUNCTION_STATUS;
+			function-enumerator = <2>;
+		};
+		lan1 {
+			gpios = <&pio 16 GPIO_ACTIVE_HIGH>;
+			color = <LED_COLOR_ID_BLUE>;
+			function = LED_FUNCTION_LAN;
+			function-enumerator = <0>;
+		};
+		lan2 {
+			gpios = <&pio 10 GPIO_ACTIVE_LOW>;
+			color = <LED_COLOR_ID_BLUE>;
+			function = LED_FUNCTION_LAN;
+			function-enumerator = <1>;
+		};
+		lan3 {
+			gpios = <&pio 18 GPIO_ACTIVE_LOW>;
+			color = <LED_COLOR_ID_BLUE>;
+			function = LED_FUNCTION_LAN;
+			function-enumerator = <2>;
+		};
+	};
+};
+
+&crypto {
+	status = "okay";
+};
+
+&eth {
+	status = "okay";
+
+	gmac0: mac@0 {
+		compatible = "mediatek,eth-mac";
+		reg = <0>;
+		phy-mode = "2500base-x";
+
+		fixed-link {
+			speed = <2500>;
+			full-duplex;
+			pause;
+		};
+	};
+
+	gmac1: mac@1 {
+		compatible = "mediatek,eth-mac";
+		reg = <1>;
+		phy-handle = <&phy6>;
+		phy-mode = "2500base-x";
+	};
+
+	mdio: mdio-bus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+	};
+};
+
+&mdio {
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	reset-gpios = <&pio 6 GPIO_ACTIVE_LOW>;
+	reset-delay-us = <1500000>;
+	reset-post-delay-us = <1000000>;
+
+	/* LAN3 2.5Gbps phy
+	   MaxLinear GPY211C0VC (SLNW8) */
+	phy6: phy@6 {
+		compatible = "ethernet-phy-ieee802.3-c45";
+		reg = <6>;
+	};
+
+	switch: switch@1f {
+		compatible = "mediatek,mt7531";
+		reg = <31>;
+		reset-gpios = <&pio 5 GPIO_ACTIVE_HIGH>;
+	};
+};
+
+&switch {
+	ports {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		/* reorder LAN1 and LAN2 port to match the port order of the case
+			LAN1 - LAN2 - LAN3 (top to bottom of the case, no silkscreen)
+		*/
+		/* LAN2 port */
+		port@1 {
+			reg = <1>;
+			label = "lan2";
+		};
+
+		/* LAN1 port */
+		port@2 {
+			reg = <2>;
+			label = "lan1";
+		};
+
+		port@6 {
+			reg = <6>;
+			ethernet = <&gmac0>;
+			phy-mode = "2500base-x";
+
+			fixed-link {
+				speed = <2500>;
+				full-duplex;
+				pause;
+			};
+		};
+	};
+};
+
+&pio {
+	spi_flash_pins: spi-flash-pins-33-to-38 {
+		mux {
+			function = "spi";
+			groups = "spi0", "spi0_wp_hold";
+		};
+		conf-pu {
+			pins = "SPI2_CS", "SPI2_HOLD", "SPI2_WP";
+			drive-strength = <8>;
+			mediatek,pull-up-adv = <0>; /* bias-disable */
+		};
+		conf-pd {
+			pins = "SPI2_CLK", "SPI2_MOSI", "SPI2_MISO";
+			drive-strength = <8>;
+			mediatek,pull-down-adv = <0>; /* bias-disable */
+		};
+	};
+
+	wf_2g_5g_pins: wf_2g_5g-pins {
+		mux {
+			function = "wifi";
+			groups = "wf_2g", "wf_5g";
+		};
+		conf {
+			pins = "WF0_HB1", "WF0_HB2", "WF0_HB3", "WF0_HB4",
+			       "WF0_HB0", "WF0_HB0_B", "WF0_HB5", "WF0_HB6",
+			       "WF0_HB7", "WF0_HB8", "WF0_HB9", "WF0_HB10",
+			       "WF0_TOP_CLK", "WF0_TOP_DATA", "WF1_HB1",
+			       "WF1_HB2", "WF1_HB3", "WF1_HB4", "WF1_HB0",
+			       "WF1_HB5", "WF1_HB6", "WF1_HB7", "WF1_HB8",
+			       "WF1_TOP_CLK", "WF1_TOP_DATA";
+			drive-strength = <4>;
+		};
+	};
+};
+
+&spi0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&spi_flash_pins>;
+	status = "okay";
+
+	spi_nand_flash: flash@0 {
+		compatible = "spi-nand";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		reg = <0>;
+
+		spi-max-frequency = <20000000>;
+		spi-tx-bus-width = <4>;
+		spi-rx-bus-width = <4>;
+
+		partitions: partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			partition@0 {
+				label = "boot";
+				reg = <0x0 0x200000>;
+				read-only;
+			};
+
+			partition@200000 {
+				label = "u-boot-env";
+				reg = <0x200000 0x100000>;
+			};
+
+			partition@300000 {
+				label = "ubi0";
+				reg = <0x300000 0x3200000>;
+			};
+
+			partition@3500000 {
+				label = "ubi1";
+				reg = <0x3500000 0x3200000>;
+				read-only;
+			};
+
+			partition@6700000 {
+				label = "userconfig";
+				reg = <0x6700000 0x800000>;
+				read-only;
+			};
+
+			partition@6f00000 {
+				label = "tp_data";
+				reg = <0x6f00000 0x400000>;
+				read-only;
+			};
+		};
+	};
+};
+
+&trng {
+	status = "okay";
+};
+
+&uart0 {
+	status = "okay";
+};
+
+&watchdog {
+	status = "okay";
+};
+
+&wifi {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&wf_2g_5g_pins>;
+};

target/linux/mediatek/filogic/base-files/etc/board.d/01_leds

@@ -96,6 +96,11 @@ wavlink,wl-wn586x3)
 	ucidef_set_led_netdev "lan-2" "lan-2" "blue:lan-2" "lan2" "link tx rx"
 	ucidef_set_led_netdev "wan" "wan" "blue:wan" "eth1" "link tx rx"
 	;;
+tplink,re6000xd)
+	ucidef_set_led_netdev "lan-1" "lan-1" "blue:lan-0" "lan1" "link tx rx"
+	ucidef_set_led_netdev "lan-2" "lan-2" "blue:lan-1" "lan2" "link tx rx"
+	ucidef_set_led_netdev "eth1" "lan-3" "blue:lan-2" "eth1" "link tx rx"
+	;;
 xiaomi,mi-router-wr30u-stock|\
 xiaomi,mi-router-wr30u-ubootmod)
 	ucidef_set_led_netdev "wan" "wan" "blue:wan" "wan" "link tx rx"

target/linux/mediatek/filogic/base-files/etc/board.d/02_network

@@ -100,6 +100,9 @@ mediatek_setup_interfaces()
 	wavlink,wl-wn586x3)
 		ucidef_set_interfaces_lan_wan "lan1 lan2" eth1
 		;;
+	tplink,re6000xd)
+		ucidef_set_interface_lan "lan1 lan2 eth1"
+		;;
 	xiaomi,mi-router-ax3000t|\
 	xiaomi,mi-router-ax3000t-ubootmod|\
 	xiaomi,mi-router-wr30u-stock|\
@@ -145,7 +148,8 @@ mediatek_setup_macs()
 		lan_mac=$(macaddr_add "$wan_mac" 1)
 		label_mac=$wan_mac
 		;;
-	mercusys,mr90x-v1)
+	mercusys,mr90x-v1|\
+	tplink,re6000xd)
 		label_mac=$(get_mac_binary "/tmp/tp_data/default-mac" 0)
 		lan_mac=$label_mac
 		;;

target/linux/mediatek/filogic/base-files/etc/hotplug.d/firmware/11-mt76-caldata

@@ -41,7 +41,8 @@ case "$FIRMWARE" in
 	;;
 "mediatek/mt7986_eeprom_mt7975_dual.bin")
 	case "$board" in
-	mercusys,mr90x-v1)
+	mercusys,mr90x-v1|\
+	tplink,re6000xd)
 		ln -sf /tmp/tp_data/MT7986_EEPROM.bin \
 			/lib/firmware/$FIRMWARE
 		;;

target/linux/mediatek/filogic/base-files/etc/hotplug.d/ieee80211/11_fix_wifi_mac

@@ -109,7 +109,8 @@ case "$board" in
 	jdcloud,re-cp-03)
 		[ "$PHYNBR" = "1" ] && mmc_get_mac_binary factory 0xa > /sys${DEVPATH}/macaddress
 		;;
-	mercusys,mr90x-v1)
+	mercusys,mr90x-v1|\
+	tplink,re6000xd)
 		addr=$(get_mac_binary "/tmp/tp_data/default-mac" 0)
 		[ "$PHYNBR" = "0" ] && echo "$addr" > /sys${DEVPATH}/macaddress
 		[ "$PHYNBR" = "1" ] && macaddr_add $addr -1 > /sys${DEVPATH}/macaddress

target/linux/mediatek/filogic/base-files/lib/preinit/09_mount_cfg_part

@@ -12,7 +12,8 @@ mount_ubi_part() {
 
 preinit_mount_cfg_part() {
 	case $(board_name) in
-	mercusys,mr90x-v1)
+	mercusys,mr90x-v1|\
+	tplink,re6000xd)
 		mount_ubi_part "tp_data"
 		;;
 	*)

target/linux/mediatek/filogic/base-files/lib/preinit/10_fix_eth_mac.sh

@@ -17,7 +17,8 @@ preinit_set_mac_address() {
 		ip link set dev eth0 address "$addr"
 		ip link set dev eth1 address "$addr"
 		;;
-	mercusys,mr90x-v1)
+	mercusys,mr90x-v1|\
+	tplink,re6000xd)
 		addr=$(get_mac_binary "/tmp/tp_data/default-mac" 0)
 		ip link set dev eth1 address "$(macaddr_add $addr 1)"
 		;;

target/linux/mediatek/filogic/base-files/lib/upgrade/platform.sh

@@ -142,7 +142,8 @@ platform_do_upgrade() {
 		CI_KERNPART="fit"
 		nand_do_upgrade "$1"
 		;;
-	mercusys,mr90x-v1)
+	mercusys,mr90x-v1|\
+	tplink,re6000xd)
 		CI_UBIPART="ubi0"
 		nand_do_upgrade "$1"
 		;;

target/linux/mediatek/image/filogic.mk

@@ -1085,6 +1085,20 @@ define Device/ruijie_rg-x60-pro
 endef
 TARGET_DEVICES += ruijie_rg-x60-pro
 
+define Device/tplink_re6000xd
+  DEVICE_VENDOR := TP-Link
+  DEVICE_MODEL := RE6000XD
+  DEVICE_DTS := mt7986b-tplink-re6000xd
+  DEVICE_DTS_DIR := ../dts
+  DEVICE_PACKAGES := kmod-mt7915e kmod-mt7986-firmware mt7986-wo-firmware
+  UBINIZE_OPTS := -E 5
+  BLOCKSIZE := 128k
+  PAGESIZE := 2048
+  IMAGE_SIZE := 51200k
+  IMAGE/sysupgrade.bin := sysupgrade-tar | append-metadata
+endef
+TARGET_DEVICES += tplink_re6000xd
+
 define Device/tplink_tl-xdr-common
   DEVICE_VENDOR := TP-Link
   DEVICE_DTS_DIR := ../dts