diff --git a/target/linux/mediatek/image/gen_scatterfile.sh b/target/linux/mediatek/image/gen_scatterfile.sh
new file mode 100755
index 0000000000..f23cf819b8
--- /dev/null
+++ b/target/linux/mediatek/image/gen_scatterfile.sh
@@ -0,0 +1,75 @@
+#!/bin/sh
+#
+# Copyright © 2020 David Woodhouse <dwmw2@infradead.org>
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+# Generate as "scatter file" for use with the MediaTek SP Flash tool for
+# writing images to MediaTek boards. This can be used to write images
+# even on a bricked board which has no preloader installed, or broken
+# U-Boot.
+#
+# NOTE: At the time of writing (2020-07-20), the Linux tool linked from
+# the front page of https://spflashtool.com/ is out of date and does not
+# support MT7623. The newer v5.1916 found on the download page at
+# https://spflashtool.com/download/ has been tested on UniElec U7623 and
+# Banana Pi R2 from Linux, and does work.
+#
+
+SOC=$1
+IMAGE=${2%.gz}
+PROJECT=${3%-scatter.txt}
+DEVICENAME="$4"
+
+cat <<EOF
+# OpenWrt eMMC scatter file for ${DEVICENAME}
+# For use with SP Flash Tool: https://spflashtool.com/download/
+#
+# Unzip the file system file ${PROJECT}-${IMAGE}.gz before flashing.
+# Connect the device's USB port, although it won't appear to the host yet.
+# Load this scatter file into the SP Flash Tool, select 'Format All + Download'
+# After pressing the 'Download' button, power on the board.
+# The /dev/ttyACM0 device should appear on USB and the tool should find it.
+
+- general: MTK_PLATFORM_CFG
+  info:
+    - config_version: V1.1.2
+      platform: ${SOC}
+      project: ${PROJECT}
+      storage: EMMC
+      boot_channel: MSDC_0
+      block_size: 0x20000
+
+- partition_index: SYS0
+  partition_name: PRELOADER
+  file_name: ${PROJECT}-preloader.bin
+  is_download: true
+  type: SV5_BL_BIN
+  linear_start_addr: 0x0
+  physical_start_addr: 0x0
+  partition_size: 0x40000
+  region: EMMC_BOOT_1
+  storage: HW_STORAGE_EMMC
+  boundary_check: true
+  is_reserved: false
+  operation_type: BOOTLOADERS
+  d_type: FALSE
+  reserve: 0x00
+
+- partition_index: SYS1
+  partition_name: OPENWRT
+  file_name: ${PROJECT}-${IMAGE}
+  is_download: true
+  type: NORMAL_ROM
+  linear_start_addr: 0x00000
+  physical_start_addr: 0x00000
+  partition_size: 0x4000000
+  region: EMMC_USER
+  storage: HW_STORAGE_EMMC
+  boundary_check: true
+  is_reserved: false
+  operation_type: UPDATE
+  d_type: FALSE
+  reserve: 0x00
+EOF
diff --git a/target/linux/mediatek/image/mt7623.mk b/target/linux/mediatek/image/mt7623.mk
index 4ed8cb0a69..ef14969029 100644
--- a/target/linux/mediatek/image/mt7623.mk
+++ b/target/linux/mediatek/image/mt7623.mk
@@ -1,4 +1,5 @@
 KERNEL_LOADADDR := 0x80008000
+DEVICE_VARS += UBOOT_TARGET
 
 ifneq ($(CONFIG_BANANA_PI_BOOT_PARTSIZE),)
 BOOTFS_BLOCK_SIZE := 1024
@@ -25,6 +26,15 @@ define Build/banana-pi-sdcard
 		$(CONFIG_TARGET_ROOTFS_PARTSIZE)
 endef
 
+define Build/preloader
+	$(CP) $(STAGING_DIR_IMAGE)/$1-preloader.bin $@
+endef
+
+define Build/scatterfile
+	./gen_scatterfile.sh $(subst mt,MT,$(SUBTARGET)) "$1" \
+		$(subst -scatter.txt,,$(notdir $@)) "$(DEVICE_TITLE)" > $@
+endef
+
 define Device/bpi_bananapi-r2
   DEVICE_VENDOR := Bpi
   DEVICE_MODEL := Banana Pi R2
@@ -34,6 +44,9 @@ define Device/bpi_bananapi-r2
   UBOOT_TARGET := mt7623n_bpir2
   IMAGES := img.gz
   IMAGE/img.gz := banana-pi-sdcard | gzip | append-metadata
+  ARTIFACT/preloader.bin := preloader $$(UBOOT_TARGET)
+  ARTIFACT/scatter.txt := scatterfile $$(firstword $$(FILESYSTEMS))-$$(firstword $$(IMAGES))
+  ARTIFACTS = preloader.bin scatter.txt
   SUPPORTED_DEVICES := bananapi,bpi-r2
 endef
 TARGET_DEVICES += bpi_bananapi-r2