diff --git a/config/boards/gateway-gz80x.conf b/config/boards/gateway-gz80x.conf
index 3a6ecb04af..a0ced3ce9c 100644
--- a/config/boards/gateway-gz80x.conf
+++ b/config/boards/gateway-gz80x.conf
@@ -12,6 +12,15 @@ SRC_EXTLINUX="yes"
 SRC_CMDLINE="console=ttyAML0,115200n8 clk_ignore_unused loglevel=7"
 HAS_VIDEO_OUTPUT="no"
 
+function post_config_uboot_target__extra_configs_for_bananapi_f3() {
+	display_alert "u-boot for ${BOARD}" "u-boot: enabling extra configs" "info"
+	
+	run_host_command_logged scripts/config --enable CONFIG_SD_BOOT
+	run_host_command_logged scripts/config --enable CONFIG_EXT4_WRITE
+	run_host_command_logged scripts/config --enable CONFIG_FS_BTRFS
+	run_host_command_logged scripts/config --enable CONFIG_CMD_BTRFS
+}
+
 function post_family_tweaks_bsp__gateway_gz80x_udev() {
 	run_host_command_logged mkdir -p "${destination}"/etc/udev/rules.d
 	display_alert "$BOARD" "Install zwave udev rule" "info"
diff --git a/config/sources/families/meson-axg.conf b/config/sources/families/meson-axg.conf
index 03137f8a9a..52db2bd743 100644
--- a/config/sources/families/meson-axg.conf
+++ b/config/sources/families/meson-axg.conf
@@ -10,8 +10,6 @@
 # shellcheck source=config/sources/families/include/meson64_common.inc
 source "${BASH_SOURCE%/*}/include/meson64_common.inc"
 
-UBOOT_TARGET_MAP="u-boot-dtb.img;;u-boot.bin.sd.bin:u-boot.bin u-boot.bin:u-boot.nosd.bin u-boot-dtb.img"
-
 uboot_custom_postprocess() {
 	if [[ "$BOARD" == "gateway-gz80x" ]]; then
 		uboot_axg_postprocess_ng "$SRC/cache/sources/amlogic-boot-fip/jethub-j100"
@@ -20,53 +18,3 @@ uboot_custom_postprocess() {
 		exit 1
 	fi
 }
-
-write_uboot_platform() {
-	local unable_install_uboot="Unable to install U-Boot."
-	local method=0
-
-	if [[ "$2" == *mmcblk* ]]; then
-		local mmcblk_prefix
-		mmcblk_prefix=$(echo "$2" | grep -Po "mmcblk\d")
-		logger "${FUNCNAME[0]}(): mmcblk_prefix = $mmcblk_prefix"
-
-		if [[ -n "$mmcblk_prefix" ]]; then
-			local mmc_boot=${mmcblk_prefix}boot
-			local of_boot0=/dev/${mmc_boot}0
-			local of_boot1=/dev/${mmc_boot}1
-			if [[ -e $of_boot0 ]]; then
-				method=1
-				logger "${FUNCNAME[0]}(): use install in boot emmc partitions"
-			fi
-		else
-			logger "${FUNCNAME[0]}(): mmcblk_prefix is empty. $unable_install_uboot"
-			return 1
-		fi
-	else
-		logger "${FUNCNAME[0]}(): use standard u-boot install."
-	fi
-
-	dd if="$1/u-boot.bin" of="$2" bs=1 count=442 conv=fsync > /dev/null 2>&1
-	dd if="$1/u-boot.bin" of="$2" bs=512 skip=1 seek=1 conv=fsync > /dev/null 2>&1
-
-	if [[ $method == 1 ]]; then
-		logger "${FUNCNAME[0]}(): of_boot0 = $of_boot0"
-		logger "${FUNCNAME[0]}(): of_boot1 = $of_boot1"
-
-		# unset force-read-only flag
-		echo 0 > "/sys/block/${mmc_boot}0/force_ro"
-		echo 0 > "/sys/block/${mmc_boot}1/force_ro"
-		logger "${FUNCNAME[0]}(): /sys/block/${mmc_boot}0/force_ro value after unsetting read-only flag: $(< "/sys/block/${mmc_boot}0/force_ro")"
-		logger "${FUNCNAME[0]}(): /sys/block/${mmc_boot}1/force_ro value after unsetting read-only flag: $(< "/sys/block/${mmc_boot}1/force_ro")"
-
-		local uboot_name=u-boot.bin
-		local uboot_size_in_kbytes=$(($(stat --printf "%s" "$1/$uboot_name") / 1024))
-		local uboot_offset=1 # 512 bytes in dd
-		logger "${FUNCNAME[0]}(): uboot_size_in_kbytes = $uboot_size_in_kbytes"
-		logger "${FUNCNAME[0]}(): uboot_offset = $uboot_offset"
-		dd if="$1/u-boot.bin" of="$of_boot0" bs=512 skip=1 conv=fsync > /dev/null 2>&1
-		dd if="$1/u-boot.bin" of="$of_boot1" bs=512 skip=1 conv=fsync > /dev/null 2>&1
-	fi
-
-	logger "${FUNCNAME[0]}(): U-Boot successfully installed"
-}