--- /dev/null
+--- /dev/null
++++ b/configs/mt7981_abt_asr3000_defconfig
+@@ -0,0 +1,107 @@
++CONFIG_ARM=y
++CONFIG_SYS_HAS_NONCACHED_MEMORY=y
++CONFIG_POSITION_INDEPENDENT=y
++CONFIG_ARCH_MEDIATEK=y
++CONFIG_TEXT_BASE=0x41e00000
++CONFIG_SYS_MALLOC_F_LEN=0x4000
++CONFIG_NR_DRAM_BANKS=1
++CONFIG_DEFAULT_DEVICE_TREE="mt7981-abt-asr3000"
++CONFIG_OF_LIBFDT_OVERLAY=y
++CONFIG_TARGET_MT7981=y
++CONFIG_PRE_CON_BUF_ADDR=0x4007EF00
++CONFIG_DEBUG_UART_BASE=0x11002000
++CONFIG_DEBUG_UART_CLOCK=40000000
++CONFIG_SYS_LOAD_ADDR=0x46000000
++CONFIG_DEBUG_UART=y
++CONFIG_FIT=y
++CONFIG_BOOTDELAY=30
++CONFIG_AUTOBOOT_KEYED=y
++CONFIG_AUTOBOOT_MENU_SHOW=y
++CONFIG_DEFAULT_FDT_FILE="mediatek/mt7981-abt-asr3000.dtb"
++CONFIG_LOGLEVEL=7
++CONFIG_PRE_CONSOLE_BUFFER=y
++CONFIG_LOG=y
++CONFIG_BOARD_LATE_INIT=y
++CONFIG_HUSH_PARSER=y
++CONFIG_SYS_PROMPT="MT7981> "
++CONFIG_CMD_CPU=y
++CONFIG_CMD_LICENSE=y
++CONFIG_CMD_BOOTMENU=y
++CONFIG_CMD_ASKENV=y
++CONFIG_CMD_ERASEENV=y
++CONFIG_CMD_ENV_FLAGS=y
++CONFIG_CMD_STRINGS=y
++CONFIG_CMD_DM=y
++CONFIG_CMD_GPIO=y
++CONFIG_CMD_GPT=y
++CONFIG_CMD_MTD=y
++CONFIG_CMD_PART=y
++CONFIG_CMD_DHCP=y
++CONFIG_CMD_TFTPSRV=y
++CONFIG_CMD_RARP=y
++CONFIG_CMD_PING=y
++CONFIG_CMD_CDP=y
++CONFIG_CMD_SNTP=y
++CONFIG_CMD_DNS=y
++CONFIG_CMD_LINK_LOCAL=y
++CONFIG_CMD_PXE=y
++CONFIG_CMD_CACHE=y
++CONFIG_CMD_PSTORE=y
++CONFIG_CMD_PSTORE_MEM_ADDR=0x42ff0000
++CONFIG_CMD_UUID=y
++CONFIG_CMD_HASH=y
++CONFIG_CMD_SMC=y
++CONFIG_CMD_UBI=y
++CONFIG_CMD_UBI_RENAME=y
++CONFIG_OF_EMBED=y
++CONFIG_ENV_OVERWRITE=y
++CONFIG_ENV_IS_IN_UBI=y
++CONFIG_SYS_REDUNDAND_ENVIRONMENT=y
++CONFIG_ENV_UBI_PART="ubi"
++CONFIG_ENV_UBI_VOLUME="ubootenv"
++CONFIG_ENV_UBI_VOLUME_REDUND="ubootenv2"
++CONFIG_SYS_RELOC_GD_ENV_ADDR=y
++CONFIG_USE_DEFAULT_ENV_FILE=y
++CONFIG_DEFAULT_ENV_FILE="abt_asr3000_env"
++CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
++CONFIG_VERSION_VARIABLE=y
++CONFIG_NET_RANDOM_ETHADDR=y
++CONFIG_NETCONSOLE=y
++CONFIG_USE_IPADDR=y
++CONFIG_IPADDR="192.168.1.1"
++CONFIG_USE_SERVERIP=y
++CONFIG_SERVERIP="192.168.1.254"
++CONFIG_REGMAP=y
++CONFIG_SYSCON=y
++CONFIG_BUTTON=y
++CONFIG_BUTTON_GPIO=y
++CONFIG_CLK=y
++CONFIG_GPIO_HOG=y
++CONFIG_LED=y
++CONFIG_LED_BLINK=y
++CONFIG_LED_GPIO=y
++# CONFIG_MMC is not set
++CONFIG_MTD=y
++CONFIG_DM_MTD=y
++CONFIG_MTD_SPI_NAND=y
++CONFIG_MTD_UBI_FASTMAP=y
++CONFIG_PHY_FIXED=y
++CONFIG_MEDIATEK_ETH=y
++CONFIG_PHY=y
++CONFIG_PINCTRL=y
++CONFIG_PINCONF=y
++CONFIG_PINCTRL_MT7981=y
++CONFIG_POWER_DOMAIN=y
++CONFIG_MTK_POWER_DOMAIN=y
++CONFIG_DM_REGULATOR=y
++CONFIG_DM_REGULATOR_FIXED=y
++CONFIG_DM_REGULATOR_GPIO=y
++CONFIG_RAM=y
++CONFIG_DM_SERIAL=y
++CONFIG_MTK_SERIAL=y
++CONFIG_SPI=y
++CONFIG_DM_SPI=y
++CONFIG_MTK_SPIM=y
++CONFIG_ZSTD=y
++CONFIG_HEXDUMP=y
++CONFIG_LMB_MAX_REGIONS=64
+--- /dev/null
++++ b/arch/arm/dts/mt7981-abt-asr3000.dts
+@@ -0,0 +1,176 @@
++// SPDX-License-Identifier: GPL-2.0-or-later
++
++/dts-v1/;
++#include "mt7981.dtsi"
++#include <dt-bindings/gpio/gpio.h>
++#include <dt-bindings/input/linux-event-codes.h>
++
++/ {
++ #address-cells = <1>;
++ #size-cells = <1>;
++ model = "ABT ASR3000";
++ compatible = "mediatek,mt7981", "mediatek,mt7981-rfb";
++
++ chosen {
++ stdout-path = &uart0;
++ tick-timer = &timer0;
++ };
++
++ memory@40000000 {
++ device_type = "memory";
++ reg = <0x40000000 0x10000000>;
++ };
++
++ gpio-keys {
++ compatible = "gpio-keys";
++
++
++ button-reset {
++ label = "reset";
++ linux,code = <KEY_RESTART>;
++ gpios = <&gpio 1 GPIO_ACTIVE_LOW>;
++ };
++
++ button-wps {
++ label = "mesh";
++ linux,code = <BTN_9>;
++ linux,input-type = <EV_SW>;
++ gpios = <&gpio 0 GPIO_ACTIVE_LOW>;
++ };
++ };
++
++ gpio-leds {
++ compatible = "gpio-leds";
++
++ led-0 {
++ label = "red:wan";
++ gpios = <&gpio 4 GPIO_ACTIVE_LOW>;
++ default-state = "off";
++ };
++
++ led-1 {
++ label = "green:wan";
++ gpios = <&gpio 8 GPIO_ACTIVE_LOW>;
++ default-state = "off";
++ };
++
++ mesh_led: led-2 {
++ label = "green:mesh";
++ gpios = <&gpio 15 GPIO_ACTIVE_HIGH>;
++ default-state = "on";
++ };
++
++ led-3 {
++ label = "green:wlan2g";
++ gpios = <&gpio 34 GPIO_ACTIVE_LOW>;
++ default-state = "off";
++ };
++
++ led-4 {
++ label = "green:wlan5g";
++ gpios = <&gpio 35 GPIO_ACTIVE_LOW>;
++ default-state = "off";
++ };
++ };
++};
++
++ð {
++ status = "okay";
++ mediatek,gmac-id = <0>;
++ phy-mode = "2500base-x";
++ mediatek,switch = "mt7531";
++ reset-gpios = <&gpio 39 GPIO_ACTIVE_HIGH>;
++
++ fixed-link {
++ speed = <2500>;
++ full-duplex;
++ };
++};
++
++&pinctrl {
++ spi_flash_pins: spi0-pins-func-1 {
++ mux {
++ function = "flash";
++ groups = "spi0", "spi0_wp_hold";
++ };
++
++ conf-pu {
++ pins = "SPI0_CS", "SPI0_HOLD", "SPI0_WP";
++ drive-strength = <MTK_DRIVE_8mA>;
++ bias-pull-up = <MTK_PUPD_SET_R1R0_00>;
++ };
++
++ conf-pd {
++ pins = "SPI0_CLK", "SPI0_MOSI", "SPI0_MISO";
++ drive-strength = <MTK_DRIVE_8mA>;
++ bias-pull-down = <MTK_PUPD_SET_R1R0_00>;
++ };
++ };
++};
++
++&spi0 {
++ #address-cells = <1>;
++ #size-cells = <0>;
++ pinctrl-names = "default";
++ pinctrl-0 = <&spi_flash_pins>;
++ status = "okay";
++ must_tx;
++ enhance_timing;
++ dma_ext;
++ ipm_design;
++ support_quad;
++ tick_dly = <2>;
++ sample_sel = <0>;
++
++ spi_nand@0 {
++ compatible = "spi-nand";
++ reg = <0>;
++ spi-max-frequency = <52000000>;
++
++ partitions {
++ compatible = "fixed-partitions";
++ #address-cells = <1>;
++ #size-cells = <1>;
++
++ partition@0 {
++ label = "bl2";
++ reg = <0x0 0x100000>;
++ };
++
++ partition@100000 {
++ label = "u-boot-env";
++ reg = <0x100000 0x80000>;
++ };
++
++ partition@180000 {
++ label = "art";
++ reg = <0x180000 0x100000>;
++ };
++
++ partition@280000 {
++ label = "factory";
++ reg = <0x280000 0x100000>;
++ };
++
++ partition@380000 {
++ label = "fip";
++ reg = <0x380000 0x200000>;
++ };
++
++ partition@580000 {
++ label = "ubi";
++ reg = <0x580000 0x7a80000>;
++ compatible = "linux,ubi";
++ };
++ };
++ };
++};
++
++&uart0 {
++ mediatek,force-highspeed;
++ status = "okay";
++};
++
++&watchdog {
++ status = "disabled";
++};
+--- /dev/null
++++ b/abt_asr3000_env
+@@ -0,0 +1,55 @@
++ipaddr=192.168.1.1
++serverip=192.168.1.254
++loadaddr=0x46000000
++console=earlycon=uart8250,mmio32,0x11002000 console=ttyS0
++bootargs=root=/dev/fit0 rootwait
++bootcmd=if pstore check ; then run boot_recovery ; else run boot_ubi ; fi
++bootconf=config-1
++bootdelay=0
++bootfile=openwrt-mediatek-filogic-abt_asr3000-initramfs-recovery.itb
++bootfile_bl2=openwrt-mediatek-filogic-abt_asr3000-preloader.bin
++bootfile_fip=openwrt-mediatek-filogic-abt_asr3000-bl31-uboot.fip
++bootfile_upg=openwrt-mediatek-filogic-abt_asr3000-squashfs-sysupgrade.itb
++bootled_pwr=green:mesh
++bootled_rec=green:mesh
++bootmenu_confirm_return=askenv - Press ENTER to return to menu ; bootmenu 60
++bootmenu_default=0
++bootmenu_delay=0
++bootmenu_title= \e[0;34m( ( ( \e[1;39mOpenWrt\e[0;34m ) ) )
++bootmenu_0=Initialize environment.=run _firstboot
++bootmenu_0d=Run default boot command.=run boot_default
++bootmenu_1=Boot system via TFTP.=run boot_tftp ; run bootmenu_confirm_return
++bootmenu_2=Boot production system from NAND.=run boot_production ; run bootmenu_confirm_return
++bootmenu_3=Boot recovery system from NAND.=run boot_recovery ; run bootmenu_confirm_return
++bootmenu_4=Load production system via TFTP then write to NAND.=setenv noboot 1 ; setenv replacevol 1 ; run boot_tftp_production ; setenv noboot ; setenv replacevol ; run bootmenu_confirm_return
++bootmenu_5=Load recovery system via TFTP then write to NAND.=setenv noboot 1 ; setenv replacevol 1 ; run boot_tftp_recovery ; setenv noboot ; setenv replacevol ; run bootmenu_confirm_return
++bootmenu_6=\e[31mLoad BL31+U-Boot FIP via TFTP then write to NAND.\e[0m=run boot_tftp_write_fip ; run bootmenu_confirm_return
++bootmenu_7=\e[31mLoad BL2 preloader via TFTP then write to NAND.\e[0m=run boot_tftp_write_bl2 ; run bootmenu_confirm_return
++bootmenu_8=Reboot.=reset
++bootmenu_9=Reset all settings to factory defaults.=run reset_factory ; reset
++boot_first=if button reset ; then led $bootled_rec on ; run boot_tftp_recovery ; setenv flag_recover 1 ; run boot_default ; fi ; bootmenu
++boot_default=if env exists flag_recover ; then else run bootcmd ; fi ; run boot_recovery ; setenv replacevol 1 ; run boot_tftp_forever
++boot_production=led $bootled_pwr on ; run ubi_read_production && bootm $loadaddr#$bootconf ; led $bootled_pwr off
++boot_recovery=led $bootled_rec on ; run ubi_read_recovery && bootm $loadaddr#$bootconf ; led $bootled_rec off
++boot_ubi=run boot_production ; run boot_recovery ; run boot_tftp_forever
++boot_tftp_forever=led $bootled_rec on ; while true ; do run boot_tftp_recovery ; sleep 1 ; done
++boot_tftp_production=tftpboot $loadaddr $bootfile_upg && env exists replacevol && iminfo $loadaddr && run ubi_write_production ; if env exists noboot ; then else bootm $loadaddr#$bootconf ; fi
++boot_tftp_recovery=tftpboot $loadaddr $bootfile && env exists replacevol && iminfo $loadaddr && run ubi_write_recovery ; if env exists noboot ; then else bootm $loadaddr#$bootconf ; fi
++boot_tftp=tftpboot $loadaddr $bootfile && bootm $loadaddr#$bootconf
++boot_tftp_write_fip=tftpboot $loadaddr $bootfile_fip && run mtd_write_fip && run reset_factory
++boot_tftp_write_bl2=tftpboot $loadaddr $bootfile_bl2 && run mtd_write_bl2
++reset_factory=ubi part ubi ; mw $loadaddr 0x0 0x800 ; ubi write $loadaddr ubootenv 0x800 ; ubi write $loadaddr ubootenv2 0x800
++mtd_write_fip=mtd erase fip && mtd write fip $loadaddr
++mtd_write_bl2=mtd erase bl2 && mtd write bl2 $loadaddr
++ubi_create_env=ubi check ubootenv || ubi create ubootenv 0x100000 dynamic || run ubi_format ; ubi check ubootenv2 || ubi create ubootenv2 0x100000 dynamic || run ubi_format
++ubi_format=ubi detach ; mtd erase ubi && ubi part ubi ; reset
++ubi_prepare_rootfs=if ubi check rootfs_data ; then else if env exists rootfs_data_max ; then ubi create rootfs_data $rootfs_data_max dynamic || ubi create rootfs_data - dynamic ; else ubi create rootfs_data - dynamic ; fi ; fi
++ubi_read_production=ubi read $loadaddr fit && iminfo $loadaddr && run ubi_prepare_rootfs
++ubi_read_recovery=ubi check recovery && ubi read $loadaddr recovery
++ubi_remove_rootfs=ubi check rootfs_data && ubi remove rootfs_data
++ubi_write_production=ubi check fit && ubi remove fit ; run ubi_remove_rootfs ; ubi create fit $filesize dynamic && ubi write $loadaddr fit $filesize
++ubi_write_recovery=ubi check recovery && ubi remove recovery ; run ubi_remove_rootfs ; ubi create recovery $filesize dynamic && ubi write $loadaddr recovery $filesize
++_init_env=setenv _init_env ; run ubi_create_env ; saveenv ; saveenv
++_firstboot=setenv _firstboot ; run _switch_to_menu ; run _init_env ; run boot_first
++_switch_to_menu=setenv _switch_to_menu ; setenv bootdelay 3 ; setenv bootmenu_delay 3 ; setenv bootmenu_0 $bootmenu_0d ; setenv bootmenu_0d ; run _bootmenu_update_title
++_bootmenu_update_title=setenv _bootmenu_update_title ; setenv bootmenu_title "$bootmenu_title \e[33m$ver\e[0m"
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+
+/dts-v1/;
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/leds/common.h>
+#include "mt7981.dtsi"
+
+/ {
+ model = "ABT ASR3000";
+ compatible = "abt,asr3000", "mediatek,mt7981";
+
+ aliases {
+ led-boot = &mesh_led;
+ led-failsafe = &mesh_led;
+ led-upgrade = &mesh_led;
+ label-mac-device = &gmac1;
+ serial0 = &uart0;
+ };
+
+ chosen {
+ rootdisk = <&ubi_rootdisk>;
+ stdout-path = "serial0:115200n8";
+ };
+
+ memory@40000000 {
+ reg = <0 0x40000000 0 0x10000000>;
+ };
+
+ gpio-keys {
+ compatible = "gpio-keys";
+
+ button-reset {
+ label = "reset";
+ linux,code = <KEY_RESTART>;
+ gpios = <&pio 1 GPIO_ACTIVE_LOW>;
+ };
+
+ button-mesh {
+ label = "mesh";
+ linux,code = <BTN_9>;
+ linux,input-type = <EV_SW>;
+ gpios = <&pio 0 GPIO_ACTIVE_LOW>;
+ };
+ };
+
+ gpio-leds {
+ compatible = "gpio-leds";
+
+ led-0 {
+ function = LED_FUNCTION_WAN;
+ color = <LED_COLOR_ID_RED>;
+ gpios = <&pio 4 GPIO_ACTIVE_LOW>;
+ };
+
+ led-1 {
+ function = LED_FUNCTION_WAN;
+ color = <LED_COLOR_ID_GREEN>;
+ gpios = <&pio 8 GPIO_ACTIVE_LOW>;
+ };
+
+ mesh_led: led-2 {
+ label = "green:mesh";
+ gpios = <&pio 15 GPIO_ACTIVE_HIGH>;
+ };
+
+ led-3 {
+ function = LED_FUNCTION_WLAN_2GHZ;
+ color = <LED_COLOR_ID_GREEN>;
+ gpios = <&pio 34 GPIO_ACTIVE_LOW>;
+ };
+
+ led-4 {
+ function = LED_FUNCTION_WLAN_5GHZ;
+ color = <LED_COLOR_ID_GREEN>;
+ gpios = <&pio 35 GPIO_ACTIVE_LOW>;
+ };
+ };
+};
+
+ð {
+ status = "okay";
+
+ gmac0: mac@0 {
+ compatible = "mediatek,eth-mac";
+ reg = <0>;
+ phy-mode = "2500base-x";
+
+ nvmem-cells = <&macaddr_art_0 0>;
+ nvmem-cell-names = "mac-address";
+
+ fixed-link {
+ speed = <2500>;
+ full-duplex;
+ pause;
+ };
+ };
+
+ gmac1: mac@1 {
+ compatible = "mediatek,eth-mac";
+ reg = <1>;
+ phy-mode = "gmii";
+ phy-handle = <&int_gbe_phy>;
+
+ nvmem-cells = <&macaddr_art_0 0>;
+ nvmem-cell-names = "mac-address";
+ };
+};
+
+&mdio_bus {
+ switch: switch@1f {
+ compatible = "mediatek,mt7531";
+ reg = <31>;
+ reset-gpios = <&pio 39 GPIO_ACTIVE_HIGH>;
+ interrupt-controller;
+ #interrupt-cells = <1>;
+ interrupt-parent = <&pio>;
+ interrupts = <38 IRQ_TYPE_LEVEL_HIGH>;
+ };
+};
+
+&pio {
+ spi0_flash_pins: spi0-pins {
+ mux {
+ function = "spi";
+ groups = "spi0", "spi0_wp_hold";
+ };
+
+ conf-pu {
+ pins = "SPI0_CS", "SPI0_HOLD", "SPI0_WP";
+ drive-strength = <8>;
+ mediatek,pull-up-adv = <0>; /* bias-disable */
+ };
+
+ conf-pd {
+ pins = "SPI0_CLK", "SPI0_MOSI", "SPI0_MISO";
+ drive-strength = <8>;
+ mediatek,pull-up-adv = <0>; /* bias-disable */
+ };
+ };
+};
+
+&spi0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&spi0_flash_pins>;
+ status = "okay";
+
+ spi_nand: flash@0 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "spi-nand";
+ reg = <0>;
+
+ spi-max-frequency = <52000000>;
+ spi-tx-bus-width = <4>;
+ spi-rx-bus-width = <4>;
+
+ partitions {
+ compatible = "fixed-partitions";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ partition@0 {
+ label = "bl2";
+ reg = <0x0 0x100000>;
+ read-only;
+ };
+
+ partition@100000 {
+ label = "u-boot-env";
+ reg = <0x100000 0x80000>;
+ };
+
+ partition@180000 {
+ label = "art";
+ reg = <0x180000 0x100000>;
+ read-only;
+
+ nvmem-layout {
+ compatible = "fixed-layout";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ macaddr_art_0: macaddr@0 {
+ compatible = "mac-base";
+ reg = <0x0 0x6>;
+ #nvmem-cell-cells = <1>;
+ };
+ };
+ };
+
+ partition@280000 {
+ label = "factory";
+ reg = <0x280000 0x100000>;
+ read-only;
+
+ nvmem-layout {
+ compatible = "fixed-layout";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ eeprom_factory_0: eeprom@0 {
+ reg = <0x0 0x1000>;
+ };
+ };
+ };
+
+ partition@380000 {
+ label = "fip";
+ reg = <0x380000 0x200000>;
+ read-only;
+ };
+
+ partition@580000 {
+ compatible = "linux,ubi";
+ label = "ubi";
+ reg = <0x580000 0x7a80000>;
+
+ volumes {
+ ubi_rootdisk: ubi-volume-fit {
+ volname = "fit";
+ };
+ };
+ };
+ };
+ };
+};
+
+&switch {
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ label = "lan3";
+ };
+
+ port@1 {
+ reg = <1>;
+ label = "lan2";
+ };
+
+ port@2 {
+ reg = <2>;
+ label = "lan1";
+ };
+
+ port@6 {
+ reg = <6>;
+ ethernet = <&gmac0>;
+ phy-mode = "2500base-x";
+
+ fixed-link {
+ speed = <2500>;
+ full-duplex;
+ pause;
+ };
+ };
+ };
+};
+
+&uart0 {
+ status = "okay";
+};
+
+&watchdog {
+ status = "okay";
+};
+
+&wifi {
+ nvmem-cells = <&eeprom_factory_0>;
+ nvmem-cell-names = "eeprom";
+ status = "okay";
+};