--- /dev/null
+++ b/configs/mt7622_linksys_e8450_defconfig
@@ -0,0 +1,130 @@
+CONFIG_ARM=y
+CONFIG_POSITION_INDEPENDENT=y
+CONFIG_ARCH_MEDIATEK=y
+CONFIG_SYS_TEXT_BASE=0x41e00000
+CONFIG_SYS_MALLOC_F_LEN=0x4000
+CONFIG_USE_DEFAULT_ENV_FILE=y
+CONFIG_BOARD_LATE_INIT=y
+CONFIG_BOOTP_SEND_HOSTNAME=y
+CONFIG_DEFAULT_ENV_FILE="linksys_e8450_env"
+CONFIG_NR_DRAM_BANKS=1
+CONFIG_DEFAULT_DEVICE_TREE="mt7622-linksys-e8450-ubi"
+CONFIG_SMBIOS_PRODUCT_NAME=""
+CONFIG_AUTOBOOT_KEYED=y
+CONFIG_BOOTDELAY=30
+CONFIG_AUTOBOOT_MENU_SHOW=y
+CONFIG_CFB_CONSOLE_ANSI=y
+CONFIG_BUTTON=y
+CONFIG_BUTTON_GPIO=y
+CONFIG_CMD_ENV_FLAGS=y
+CONFIG_FIT=y
+CONFIG_FIT_ENABLE_SHA256_SUPPORT=y
+CONFIG_LED=y
+CONFIG_LED_BLINK=y
+CONFIG_LED_GPIO=y
+CONFIG_LOGLEVEL=7
+CONFIG_LOG=y
+CONFIG_DEFAULT_FDT_FILE="mt7622-linksys-e8450"
+CONFIG_SYS_PROMPT="MT7622> "
+CONFIG_CMD_BOOTMENU=y
+CONFIG_CMD_BOOTP=y
+CONFIG_CMD_BUTTON=y
+CONFIG_CMD_CDP=y
+CONFIG_CMD_DHCP=y
+CONFIG_CMD_DNS=y
+CONFIG_CMD_ECHO=y
+CONFIG_CMD_ENV_READMEM=y
+CONFIG_CMD_ERASEENV=y
+CONFIG_CMD_EXT4=y
+CONFIG_CMD_FAT=y
+CONFIG_CMD_FS_GENERIC=y
+CONFIG_CMD_FS_UUID=y
+CONFIG_CMD_GPIO=y
+CONFIG_CMD_GPT=y
+CONFIG_CMD_HASH=y
+CONFIG_CMD_ITEST=y
+CONFIG_CMD_LED=y
+CONFIG_CMD_LICENSE=y
+CONFIG_CMD_LINK_LOCAL=y
+CONFIG_CMD_MBR=y
+CONFIG_CMD_MTD=y
+CONFIG_CMD_MTDPART=y
+CONFIG_CMD_NAND=y
+CONFIG_CMD_PCI=y
+CONFIG_CMD_SF_TEST=y
+CONFIG_CMD_PING=y
+CONFIG_CMD_PXE=y
+CONFIG_CMD_SMC=y
+CONFIG_CMD_TFTPBOOT=y
+CONFIG_CMD_TFTPSRV=y
+CONFIG_CMD_UBI=y
+CONFIG_CMD_UBI_RENAME=y
+CONFIG_CMD_UBIFS=y
+CONFIG_CMD_ASKENV=y
+CONFIG_CMD_PART=y
+CONFIG_CMD_PSTORE=y
+CONFIG_CMD_RARP=y
+CONFIG_CMD_SETEXPR=y
+CONFIG_CMD_SLEEP=y
+CONFIG_CMD_SNTP=y
+CONFIG_CMD_SOURCE=y
+CONFIG_CMD_USB=y
+CONFIG_CMD_UUID=y
+CONFIG_DISPLAY_CPUINFO=y
+CONFIG_DM_REGULATOR=y
+CONFIG_DM_REGULATOR_FIXED=y
+CONFIG_DM_REGULATOR_GPIO=y
+CONFIG_DM_USB=y
+CONFIG_HUSH_PARSER=y
+CONFIG_SYS_REDUNDAND_ENVIRONMENT=y
+CONFIG_SYS_RELOC_GD_ENV_ADDR=y
+CONFIG_ENV_IS_IN_UBI=y
+CONFIG_ENV_UBI_PART="ubi"
+CONFIG_ENV_UBI_VOLUME="ubootenv"
+CONFIG_ENV_UBI_VOLUME_REDUND="ubootenv2"
+CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
+CONFIG_VERSION_VARIABLE=y
+CONFIG_PARTITION_UUIDS=y
+CONFIG_NETCONSOLE=y
+CONFIG_REGMAP=y
+CONFIG_SYSCON=y
+CONFIG_CLK=y
+CONFIG_DM_MTD=y
+CONFIG_PHY_FIXED=y
+CONFIG_DM_ETH=y
+CONFIG_MEDIATEK_ETH=y
+CONFIG_PCI=y
+CONFIG_MTD=y
+CONFIG_MTD_RAW_NAND=y
+CONFIG_MTD_UBI_FASTMAP=y
+CONFIG_DM_PCI=y
+CONFIG_PCIE_MEDIATEK=y
+CONFIG_PINCTRL=y
+CONFIG_PINCONF=y
+CONFIG_PINCTRL_MT7622=y
+CONFIG_POWER_DOMAIN=y
+CONFIG_PRE_CONSOLE_BUFFER=y
+CONFIG_PRE_CON_BUF_ADDR=0x4007EF00
+CONFIG_MTK_POWER_DOMAIN=y
+CONFIG_RAM=y
+CONFIG_DM_SERIAL=y
+CONFIG_MTK_SERIAL=y
+CONFIG_SPI=y
+CONFIG_DM_SPI=y
+CONFIG_MTK_SNFI_SPI=y
+CONFIG_MTK_SPI_NAND=y
+CONFIG_NAND_SUPPORT=y
+CONFIG_SYSRESET_WATCHDOG=y
+CONFIG_TIMER=y
+CONFIG_MTK_TIMER=y
+CONFIG_WDT_MTK=y
+CONFIG_LZO=y
+CONFIG_ZSTD=y
+CONFIG_HEXDUMP=y
+CONFIG_RANDOM_UUID=y
+CONFIG_REGEX=y
+CONFIG_USB=y
+CONFIG_USB_HOST=y
+CONFIG_USB_XHCI_HCD=y
+CONFIG_USB_XHCI_MTK=y
+CONFIG_USB_STORAGE=y
--- /dev/null
+++ b/arch/arm/dts/mt7622-linksys-e8450-ubi.dts
@@ -0,0 +1,206 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2019 MediaTek Inc.
+ * Author: Sam Shih <sam.shih@mediatek.com>
+ */
+
+/dts-v1/;
+#include "mt7622.dtsi"
+#include "mt7622-u-boot.dtsi"
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+	model = "mt7622-linksys-e8450-ubi";
+	compatible = "mediatek,mt7622", "linksys,e8450-ubi";
+	chosen {
+		stdout-path = &uart0;
+		tick-timer = &timer0;
+	};
+
+	aliases {
+		spi0 = &snfi;
+	};
+
+	gpio-keys {
+		compatible = "gpio-keys";
+
+		factory {
+			label = "reset";
+			gpios = <&gpio 0 GPIO_ACTIVE_LOW>;
+		};
+
+		wps {
+			label = "wps";
+			gpios = <&gpio 102 GPIO_ACTIVE_LOW>;
+		};
+	};
+
+	gpio-leds {
+		compatible = "gpio-leds";
+
+		led_power: power_blue {
+			label = "power:blue";
+			gpios = <&gpio 95 GPIO_ACTIVE_LOW>;
+			default-state = "on";
+		};
+
+		power_orange {
+			label = "power:orange";
+			gpios = <&gpio 96 GPIO_ACTIVE_LOW>;
+			default-state = "off";
+		};
+
+		inet_blue {
+			label = "inet:blue";
+			gpios = <&gpio 97 GPIO_ACTIVE_LOW>;
+			default-state = "off";
+		};
+
+		inet_orange {
+			label = "inet:orange";
+			gpios = <&gpio 98 GPIO_ACTIVE_LOW>;
+			default-state = "off";
+		};
+	};
+
+	memory@40000000 {
+		device_type = "memory";
+		reg = <0x40000000 0x20000000>;
+	};
+
+	reg_1p8v: regulator-1p8v {
+		compatible = "regulator-fixed";
+		regulator-name = "fixed-1.8V";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		regulator-boot-on;
+		regulator-always-on;
+	};
+
+	reg_3p3v: regulator-3p3v {
+		compatible = "regulator-fixed";
+		regulator-name = "fixed-3.3V";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		regulator-boot-on;
+		regulator-always-on;
+	};
+
+	reg_5v: regulator-5v {
+		compatible = "regulator-fixed";
+		regulator-name = "fixed-5V";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		regulator-boot-on;
+		regulator-always-on;
+	};
+};
+
+&pcie {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pcie0_pins>, <&pcie1_pins>;
+	status = "okay";
+
+	pcie@0,0 {
+		status = "okay";
+	};
+
+	pcie@1,0 {
+		status = "okay";
+	};
+};
+
+&pinctrl {
+	pcie0_pins: pcie0-pins {
+		mux {
+			function = "pcie";
+			groups = "pcie0_pad_perst",
+				 "pcie0_1_waken",
+				 "pcie0_1_clkreq";
+		};
+	};
+
+	pcie1_pins: pcie1-pins {
+		mux {
+			function = "pcie";
+			groups = "pcie1_pad_perst",
+				 "pcie1_0_waken",
+				 "pcie1_0_clkreq";
+		};
+	};
+
+	snfi_pins: snfi-pins {
+		mux {
+			function = "flash";
+			groups = "snfi";
+		};
+	};
+
+	uart0_pins: uart0 {
+		mux {
+			function = "uart";
+			groups = "uart0_0_tx_rx" ;
+		};
+	};
+
+	watchdog_pins: watchdog-default {
+		mux {
+			function = "watchdog";
+			groups = "watchdog";
+		};
+	};
+};
+
+&snfi {
+	pinctrl-names = "default";
+	pinctrl-0 = <&snfi_pins>;
+	status = "okay";
+
+	mediatek,bmt-v2;
+
+	spi-flash@0{
+		compatible = "jedec,spi-nor";
+		reg = <0>;
+		u-boot,dm-pre-reloc;
+	};
+};
+
+&nandc {
+	status = "okay";
+};
+
+&uart0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart0_pins>;
+	status = "okay";
+};
+
+&watchdog {
+	pinctrl-names = "default";
+	pinctrl-0 = <&watchdog_pins>;
+	status = "okay";
+};
+
+&eth {
+	status = "okay";
+	mediatek,gmac-id = <0>;
+	phy-mode = "sgmii";
+	mediatek,switch = "mt7531";
+	reset-gpios = <&gpio 54 GPIO_ACTIVE_HIGH>;
+
+	fixed-link {
+		speed = <1000>;
+		full-duplex;
+	};
+};
+
+&ssusb {
+	vusb33-supply = <&reg_3p3v>;
+	vbus-supply = <&reg_5v>;
+	status = "okay";
+};
+
+&u3phy {
+	status = "okay";
+};
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -963,6 +963,7 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += \
 	mt7622-rfb.dtb \
 	mt7623a-unielec-u7623-02-emmc.dtb \
 	mt7622-bananapi-bpi-r64.dtb \
+	mt7622-linksys-e8450-ubi.dtb \
 	mt7623n-bananapi-bpi-r2.dtb \
 	mt7629-rfb.dtb \
 	mt8512-bm1-emmc.dtb \
--- a/drivers/mtd/nandx/core/nand/device_spi.c
+++ b/drivers/mtd/nandx/core/nand/device_spi.c
@@ -150,6 +150,21 @@ static struct device_spi spi_nand[] = {
 		&spi_extend_cmds, 0xff, 0xff
 	},
 	{
+		NAND_DEVICE("FM35X1GA",
+			    NAND_PACK_ID(0xe5, 0x71, 0, 0, 0, 0, 0, 0),
+			    2, 0, 3, 3,
+			    1, 1, 1, 1024, KB(128), KB(2), 64, 1,
+			    &spi_cmds, &spi_addressing, &spi_status[0],
+			    &spi_endurance, &spi_array_timing),
+		{
+			NAND_SPI_PROTECT(0xa0, 1, 2, 6),
+			NAND_SPI_CONFIG(0xb0, 4, 6, 1),
+			NAND_SPI_STATUS(0xc0, 4, 5),
+			NAND_SPI_CHARACTER(0xff, 0xff, 0xff, 0xff)
+		},
+		&spi_extend_cmds, 0xff, 0xff
+	},
+	{
 		NAND_DEVICE("NO-DEVICE",
 			    NAND_PACK_ID(0, 0, 0, 0, 0, 0, 0, 0), 0, 0, 0, 0,
 			    0, 0, 0, 0, 0, 0, 0, 1,
--- /dev/null
+++ b/linksys_e8450_env
@@ -0,0 +1,57 @@
+mtdparts=nand0:512k(bl2),1280k(fip),1024k(factory),256k(reserved),-(ubi)
+ethaddr_factory=nand read 0x40080000 0x220000 0x20000 && env readmem -b ethaddr 0x4009fff4 0x6 ; setenv ethaddr_factory
+ipaddr=192.168.1.1
+serverip=192.168.1.254
+loadaddr=0x4007ff28
+bootcmd=run boot_ubi
+bootdelay=0
+bootfile=openwrt-mediatek-mt7622-linksys_e8450-ubi-initramfs-recovery.itb
+bootfile_bl2=openwrt-mediatek-mt7622-linksys_e8450-ubi-preloader.bin
+bootfile_fip=openwrt-mediatek-mt7622-linksys_e8450-ubi-bl31-uboot.fip
+bootfile_upg=openwrt-mediatek-mt7622-linksys_e8450-ubi-squashfs-sysupgrade.itb
+bootmenu_confirm_return=askenv - Press ENTER to return to menu ; bootmenu
+bootmenu_default=0
+bootmenu_delay=0
+bootmenu_title=      [0;34m( ( ( [1;39mOpenWrt[0;34m ) ) )[0m
+bootmenu_0=0. Initialize environment.=run _firstboot
+bootmenu_0d=0. Run default boot command.=run boot_default
+bootmenu_1=1. Boot system via TFTP.=run boot_tftp ; run bootmenu_confirm_return
+bootmenu_3=2. Boot production system from flash.=run boot_production ; run bootmenu_confirm_return
+bootmenu_2=3. Boot recovery system from flash.=run boot_recovery ; run bootmenu_confirm_return
+bootmenu_5=4. Load production system via TFTP then write to flash.=setenv noboot 1 ; run boot_tftp_production ; setenv noboot ; run bootmenu_confirm_return
+bootmenu_4=5. Load recovery system via TFTP then write to flash.=setenv noboot 1 ; run boot_tftp_recovery ; setenv noboot ; run bootmenu_confirm_return
+bootmenu_6=[31m6. Load BL31+U-Boot FIP via TFTP then write to flash.[0m=run boot_tftp_write_fip ; run bootmenu_confirm_return
+bootmenu_7=[31m7. Load BL2 preloader via TFTP then write to flash.[0m=run boot_tftp_write_preloader ; run bootmenu_confirm_return
+bootmenu_8=8. Reboot.=reset
+bootmenu_9=9. Reset all settings to factory defaults.=run reset_factory ; reset
+boot_first=if button reset ; then run boot_tftp_forever ; fi ; setenv flag_recover 1 ; bootmenu
+boot_default=if env exists flag_recover ; then else run bootcmd ; fi ; run boot_recovery ; run boot_tftp_forever
+boot_production=led power:blue on ; run ubi_read_production && bootm $loadaddr
+boot_production_or_recovery=run boot_production ; run boot_recovery
+boot_recovery=led power:blue off ; led power:orange on ; run check_recovery
+boot_serial_write_fip=loadx $loadaddr 115200 && run boot_write_fip
+boot_serial_write_preloader=loadx $loadaddr 115200 && run boot_write_preloader
+boot_tftp_forever=led inet:blue on ; while true ; do run boot_tftp_recovery ; led inet:blue off ; led inet:orange on ; sleep 1 ; done
+boot_tftp_production=tftpboot $loadaddr $bootfile_upg && iminfo $loadaddr && ubi part ubi && run ubi_write_production ubi_prepare_rootfs ; if env exists noboot ; then else bootm $loadaddr ; fi
+boot_tftp_recovery=tftpboot $loadaddr $bootfile && iminfo $loadaddr && ubi part ubi && run ubi_write_recovery ; if env exists noboot ; then else bootm $loadaddr ; fi
+boot_tftp=tftpboot $loadaddr $bootfile && bootm $loadaddr
+boot_tftp_write_fip=tftpboot $loadaddr $bootfile_fip && run boot_write_fip
+boot_tftp_write_preloader=tftpboot $loadaddr $bootfile_bl2 && run boot_write_preloader
+boot_ubi=ubi part ubi && run boot_production_or_recovery
+boot_write_fip=nand erase 0x80000 0x140000 && nand write $loadaddr 0x80000 0x140000
+boot_write_preloader=nand erase 0x0 0x80000 && nand write $loadaddr 0x0 0x20000 && nand write $loadaddr 0x20000 0x20000 && nand write $loadaddr 0x40000 0x20000 && nand write $loadaddr 0x60000 0x20000
+check_recovery=run ubi_read_recovery ; if iminfo $loadaddr ; then bootm $loadaddr ; else ubi remove recovery ; fi
+check_ubi=ubi part ubi || run ubi_format
+reset_factory=ubi part ubi ; ubi write 0x0 ubootenv 0x0 ; ubi write 0x0 ubootenv2 0x0 ; ubi remove rootfs_data
+ubi_format=ubi detach ; nand erase 0x300000 0x7D00000 && 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=run ubi_remove_rootfs ; ubi check fit && ubi remove fit ; run ubi_remove_rootfs ; ubi create fit $filesize dynamic && ubi write $loadaddr fit $filesize
+ubi_write_recovery=run ubi_remove_rootfs ; ubi check recovery && ubi remove recovery; ubi create recovery $filesize dynamic && ubi write $loadaddr recovery $filesize
+_create_env=ubi create ubootenv 0x100000 dynamic ; ubi create ubootenv2 0x100000 dynamic
+_init_env=setenv _init_env ; if ubi check ubootenv && ubi check ubootenv2 ; then else run _create_env ; fi ; setenv _create_env ; saveenv || run ubi_format ; saveenv || run ubi_format
+_firstboot=setenv _firstboot ; led power:orange on ; run _switch_to_menu ; run ethaddr_factory ; run check_ubi ; 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       [33m$ver[0m"
