--- /dev/null
+From b0d1b85fb25a28a9532eaa9dda064b40a0e25f25 Mon Sep 17 00:00:00 2001
+From: David Woodhouse <dwmw2@infradead.org>
+Date: Sun, 12 Jul 2020 23:19:09 +0100
+Subject: [PATCH 1/3] board: mediatek: fix mmc_get_boot_dev() for platforms
+ without external SD
+
+On the UniElec U7623 board there is no external SD slot and the preloader
+doesn't fill in the magic field at 0x81dffff0 to indicate that it was
+booted from eMMC.
+
+Signed-off-by: David Woodhouse <dwmw2@infradead.org>
+---
+ board/mediatek/mt7623/mt7623_rfb.c | 7 +++++++
+ 1 file changed, 7 insertions(+)
+
+diff --git a/board/mediatek/mt7623/mt7623_rfb.c b/board/mediatek/mt7623/mt7623_rfb.c
+index 4ec2764976..984e75ccaf 100644
+--- a/board/mediatek/mt7623/mt7623_rfb.c
++++ b/board/mediatek/mt7623/mt7623_rfb.c
+@@ -4,6 +4,7 @@
+ */
+
+ #include <common.h>
++#include <mmc.h>
+
+ DECLARE_GLOBAL_DATA_PTR;
+
+@@ -15,10 +16,15 @@ int board_init(void)
+ return 0;
+ }
+
++#ifdef CONFIG_MMC
+ int mmc_get_boot_dev(void)
+ {
+ int g_mmc_devid = -1;
+ char *uflag = (char *)0x81DFFFF0;
++
++ if (!find_mmc_device(1))
++ return 0;
++
+ if (strncmp(uflag,"eMMC",4)==0) {
+ g_mmc_devid = 0;
+ printf("Boot From Emmc(id:%d)\n\n", g_mmc_devid);
+@@ -33,3 +39,4 @@ int mmc_get_env_dev(void)
+ {
+ return mmc_get_boot_dev();
+ }
++#endif
+--
+2.26.2
+
--- /dev/null
+From d13abe5b2c5b85228bdd34584fcbd642f1883668 Mon Sep 17 00:00:00 2001
+From: David Woodhouse <dwmw2@infradead.org>
+Date: Sun, 12 Jul 2020 23:23:05 +0100
+Subject: [PATCH 3/3] board: mediatek: Add support for UniElec U7623 board
+
+This is an MT7623A-based board, very similar to the Banana Pi R2.
+
+http://www.unielecinc.com/q/news/cn/p/product/detail.html?qd_guid=OjXwKCaRlN
+
+Signed-off-by: David Woodhouse <dwmw2@infradead.org>
+---
+ arch/arm/dts/Makefile | 1 +
+ .../arm/dts/mt7623a-unielec-u7623-02-emmc.dts | 211 ++++++++++++++++++
+ configs/mt7623a_unielec_u7623_02_defconfig | 54 +++++
+ 3 files changed, 266 insertions(+)
+ create mode 100644 arch/arm/dts/mt7623a-unielec-u7623-02-emmc.dts
+ create mode 100644 configs/mt7623a_unielec_u7623_02_defconfig
+
+diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
+index 89fa448818..a140b1c8d4 100644
+--- a/arch/arm/dts/Makefile
++++ b/arch/arm/dts/Makefile
+@@ -938,6 +938,7 @@ dtb-$(CONFIG_SOC_K3_J721E) += k3-j721e-common-proc-board.dtb \
+
+ dtb-$(CONFIG_ARCH_MEDIATEK) += \
+ mt7622-rfb.dtb \
++ mt7623a-unielec-u7623-02-emmc.dtb \
+ mt7623n-bananapi-bpi-r2.dtb \
+ mt7629-rfb.dtb \
+ mt8512-bm1-emmc.dtb \
+diff --git a/arch/arm/dts/mt7623a-unielec-u7623-02-emmc.dts b/arch/arm/dts/mt7623a-unielec-u7623-02-emmc.dts
+new file mode 100644
+index 0000000000..fdeec75b05
+--- /dev/null
++++ b/arch/arm/dts/mt7623a-unielec-u7623-02-emmc.dts
+@@ -0,0 +1,211 @@
++/*
++ * Copyright (C) 2018 MediaTek Inc.
++ * Author: Ryder Lee <ryder.lee@mediatek.com>
++ *
++ * SPDX-License-Identifier: (GPL-2.0 OR MIT)
++ */
++
++/dts-v1/;
++#include "mt7623.dtsi"
++#include "mt7623-u-boot.dtsi"
++
++/ {
++ model = "UniElec U7623-02 eMMC";
++ compatible = "unielec,u7623-02-emmc", "mediatek,mt7623";
++
++ memory@80000000 {
++ device_type = "memory";
++ reg = <0 0x80000000 0 0x20000000>;
++ };
++
++ chosen {
++ stdout-path = &uart2;
++ tick-timer = &timer0;
++ };
++
++ 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;
++ };
++
++ leds {
++ compatible = "gpio-leds";
++
++ led3 {
++ label = "u7623-01:green:led3";
++ gpios = <&gpio 14 GPIO_ACTIVE_LOW>;
++ default-state = "off";
++ };
++
++ led4 {
++ label = "u7623-01:green:led4";
++ gpios = <&gpio 15 GPIO_ACTIVE_LOW>;
++ default-state = "off";
++ };
++ };
++};
++
++ð {
++ status = "okay";
++ mediatek,gmac-id = <0>;
++ phy-mode = "rgmii";
++ mediatek,switch = "mt7530";
++ mediatek,mcm;
++
++ fixed-link {
++ speed = <1000>;
++ full-duplex;
++ };
++};
++
++&mmc0 {
++ pinctrl-names = "default";
++ pinctrl-0 = <&mmc0_pins_default>;
++ status = "okay";
++ bus-width = <8>;
++ max-frequency = <50000000>;
++ cap-mmc-highspeed;
++ vmmc-supply = <®_3p3v>;
++ vqmmc-supply = <®_1p8v>;
++ non-removable;
++};
++
++&pinctrl {
++ ephy_default: ephy_default {
++ mux {
++ function = "eth";
++ groups = "mdc_mdio", "ephy";
++ };
++
++ conf {
++ pins = "G2_TXEN", "G2_TXD0", "G2_TXD1", "G2_TXD2",
++ "G2_TXD3", "G2_TXC", "G2_RXC", "G2_RXD0",
++ "G2_RXD1", "G2_RXD2", "G2_RXD3", "G2_RXDV",
++ "MDC", "MDIO";
++ drive-strength = <12>;
++ mediatek,tdsel = <5>;
++ };
++ };
++
++ mmc0_pins_default: mmc0default {
++ mux {
++ function = "msdc";
++ groups = "msdc0";
++ };
++
++ conf-cmd-data {
++ pins = "MSDC0_CMD", "MSDC0_DAT0", "MSDC0_DAT1",
++ "MSDC0_DAT2", "MSDC0_DAT3", "MSDC0_DAT4",
++ "MSDC0_DAT5", "MSDC0_DAT6", "MSDC0_DAT7";
++ input-enable;
++ bias-pull-up;
++ };
++
++ conf-clk {
++ pins = "MSDC0_CLK";
++ bias-pull-down;
++ };
++
++ conf-rst {
++ pins = "MSDC0_RSTB";
++ bias-pull-up;
++ };
++ };
++
++ pcie_default: pcie-default {
++ mux {
++ function = "pcie";
++ groups = "pcie0_0_perst", "pcie1_0_perst";
++ };
++ };
++
++ uart0_pins_a: uart0-default {
++ mux {
++ function = "uart";
++ groups = "uart0_0_txd_rxd";
++ };
++ };
++
++ uart1_pins_a: uart1-default {
++ mux {
++ function = "uart";
++ groups = "uart1_0_txd_rxd";
++ };
++ };
++
++ uart2_pins_a: uart2-default {
++ mux {
++ function = "uart";
++ groups = "uart2_0_txd_rxd";
++ };
++ };
++
++ uart2_pins_b: uart2-alt {
++ mux {
++ function = "uart";
++ groups = "uart2_1_txd_rxd";
++ };
++ };
++};
++
++&pcie {
++ pinctrl-names = "default";
++ pinctrl-0 = <&pcie_default>;
++ status = "okay";
++
++ pcie@0,0 {
++ status = "okay";
++ };
++
++ pcie@1,0 {
++ status = "okay";
++ };
++};
++
++&pcie0_phy {
++ status = "okay";
++};
++
++&pcie1_phy {
++ status = "okay";
++};
++
++&uart0 {
++ pinctrl-names = "default";
++ pinctrl-0 = <&uart0_pins_a>;
++ status = "okay";
++};
++
++&uart1 {
++ pinctrl-names = "default";
++ pinctrl-0 = <&uart1_pins_a>;
++ status = "okay";
++};
++
++&uart2 {
++ pinctrl-names = "default";
++ pinctrl-0 = <&uart2_pins_b>;
++ status = "okay";
++};
+diff --git a/configs/mt7623a_unielec_u7623_02_defconfig b/configs/mt7623a_unielec_u7623_02_defconfig
+new file mode 100644
+index 0000000000..72b5f31092
+--- /dev/null
++++ b/configs/mt7623a_unielec_u7623_02_defconfig
+@@ -0,0 +1,54 @@
++CONFIG_ARM=y
++CONFIG_SYS_THUMB_BUILD=y
++CONFIG_ARCH_MEDIATEK=y
++CONFIG_SYS_TEXT_BASE=0x81e00000
++CONFIG_SYS_MALLOC_F_LEN=0x4000
++CONFIG_ENV_SIZE=0x1000
++CONFIG_ENV_OFFSET=0x100000
++CONFIG_TARGET_MT7623=y
++CONFIG_NR_DRAM_BANKS=1
++CONFIG_DISTRO_DEFAULTS=y
++CONFIG_FIT=y
++CONFIG_FIT_VERBOSE=y
++CONFIG_BOOTDELAY=3
++CONFIG_SYS_CONSOLE_IS_IN_ENV=y
++CONFIG_DEFAULT_FDT_FILE="mt7623a-unielec-u7623-02-emmc.dtb"
++# CONFIG_DISPLAY_BOARDINFO is not set
++CONFIG_SYS_PROMPT="U-Boot> "
++CONFIG_CMD_BOOTMENU=y
++# CONFIG_CMD_ELF is not set
++# CONFIG_CMD_XIMG is not set
++CONFIG_CMD_GPIO=y
++CONFIG_CMD_GPT=y
++CONFIG_CMD_MMC=y
++CONFIG_CMD_READ=y
++# CONFIG_CMD_SETEXPR is not set
++# CONFIG_CMD_NFS is not set
++CONFIG_DEFAULT_DEVICE_TREE="mt7623a-unielec-u7623-02-emmc"
++CONFIG_ENV_IS_IN_MMC=y
++CONFIG_SYS_RELOC_GD_ENV_ADDR=y
++CONFIG_NET_RANDOM_ETHADDR=y
++CONFIG_REGMAP=y
++CONFIG_SYSCON=y
++CONFIG_CLK=y
++CONFIG_DM_MMC=y
++# CONFIG_MMC_QUIRKS is not set
++CONFIG_SUPPORT_EMMC_BOOT=y
++CONFIG_MMC_HS400_SUPPORT=y
++CONFIG_MMC_MTK=y
++CONFIG_PHY_FIXED=y
++CONFIG_DM_ETH=y
++CONFIG_MEDIATEK_ETH=y
++CONFIG_PINCTRL=y
++CONFIG_PINCONF=y
++CONFIG_PINCTRL_MT7623=y
++CONFIG_POWER_DOMAIN=y
++CONFIG_MTK_POWER_DOMAIN=y
++CONFIG_DM_SERIAL=y
++CONFIG_MTK_SERIAL=y
++CONFIG_SYSRESET=y
++CONFIG_SYSRESET_WATCHDOG=y
++CONFIG_TIMER=y
++CONFIG_MTK_TIMER=y
++CONFIG_WDT_MTK=y
++CONFIG_LZMA=y
+--
+2.26.2
+