diff --git a/README.md b/README.md
index cb70931e5..e421ebcc4 100644
--- a/README.md
+++ b/README.md
@@ -90,6 +90,7 @@ Vixand IVG-G6S-W         GK7205V300   IMX335    ATBM6032i_USB    NOR_16M   w/ext
 VStarcam C43S(B)         SSC333       JXF37     MT7601U_USB      NOR_16M   in progress
 VStarcam CS55            T31N         GC2053    RTL8188FU_USB    NOR_16M   in progress
 VStarcam C8622           T23N         SC2336P   AIC8800DL_?      NOR_8M    **INIT** - in progress
+XiongMai 85H50AI         HI3516EV300  IMX335    -                NOR_8M    testing, motorized zoom+focus (pelco-xm)
 VStarcam C8892WIP        HI3518EV200  AR0237    MT7601U_USB      NOR_16M   done
 VStarcam C8896WIP        GK7102C_A    GC2033    RTL8189ES_SDIO   NOR_8M    wip
 Wansview Q5 1080p        T21Z         OV2735B   RTL8188FU_USB    NOR_16M   in progress
diff --git a/devices/hi3516ev300_lite_xm-85h50ai/br-ext-chip-hisilicon/configs/hi3516ev300_lite_xm-85h50ai_defconfig b/devices/hi3516ev300_lite_xm-85h50ai/br-ext-chip-hisilicon/configs/hi3516ev300_lite_xm-85h50ai_defconfig
new file mode 100644
index 000000000..84e197cd2
--- /dev/null
+++ b/devices/hi3516ev300_lite_xm-85h50ai/br-ext-chip-hisilicon/configs/hi3516ev300_lite_xm-85h50ai_defconfig
@@ -0,0 +1,64 @@
+# Architecture
+BR2_arm=y
+BR2_cortex_a7=y
+BR2_ARM_EABI=y
+BR2_ARM_FPU_NEON_VFPV4=y
+BR2_ARM_INSTRUCTIONS_THUMB2=y
+
+# Toolchain
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y
+BR2_TOOLCHAIN_EXTERNAL_URL="https://github.com/openipc/firmware/releases/download/$(OPENIPC_TOOLCHAIN).tgz"
+BR2_TOOLCHAIN_EXTERNAL_CUSTOM_PREFIX="arm-openipc-linux-musleabi"
+BR2_TOOLCHAIN_EXTERNAL_HEADERS_4_9=y
+BR2_TOOLCHAIN_EXTERNAL_CUSTOM_MUSL=y
+BR2_TOOLCHAIN_EXTERNAL_CXX=y
+
+# Kernel
+BR2_LINUX_KERNEL=y
+BR2_LINUX_KERNEL_CUSTOM_TARBALL=y
+BR2_LINUX_KERNEL_CUSTOM_TARBALL_LOCATION="https://github.com/openipc/linux/archive/$(OPENIPC_KERNEL).tar.gz"
+BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y
+BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="$(EXTERNAL_VENDOR)/board/$(OPENIPC_SOC_FAMILY)/hi3516ev300.generic.config"
+BR2_LINUX_KERNEL_UIMAGE=y
+BR2_LINUX_KERNEL_XZ=y
+
+# Filesystem
+BR2_PACKAGE_BUSYBOX_CONFIG="$(BR2_EXTERNAL)/package/busybox/busybox.config"
+BR2_PACKAGE_UBOOT_TOOLS=y
+BR2_PACKAGE_ZLIB=y
+# BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set
+BR2_PACKAGE_WIREGUARD_LINUX_COMPAT=y
+BR2_PACKAGE_WIREGUARD_TOOLS=y
+BR2_TARGET_ROOTFS_CPIO=y
+BR2_TARGET_ROOTFS_SQUASHFS=y
+BR2_TARGET_ROOTFS_SQUASHFS4_XZ=y
+
+# OpenIPC
+BR2_OPENIPC_SOC_VENDOR="hisilicon"
+BR2_OPENIPC_SOC_MODEL="hi3516ev300"
+BR2_OPENIPC_SOC_FAMILY="hi3516ev200"
+BR2_OPENIPC_VARIANT="lite"
+BR2_OPENIPC_FLASH_SIZE="8"
+
+# Packages
+BR2_PACKAGE_DROPBEAR_OPENIPC=y
+BR2_PACKAGE_HISILICON_OPENSDK=y
+BR2_PACKAGE_HISILICON_OSDRV_HI3516EV200=y
+BR2_PACKAGE_IPCTOOL=y
+BR2_PACKAGE_LIBCURL_OPENIPC=y
+BR2_PACKAGE_LIBCURL_OPENIPC_CURL=y
+# BR2_PACKAGE_LIBCURL_OPENIPC_PROXY_SUPPORT is not set
+# BR2_PACKAGE_LIBCURL_OPENIPC_COOKIES_SUPPORT is not set
+# BR2_PACKAGE_LIBCURL_OPENIPC_EXTRA_PROTOCOLS_FEATURES is not set
+BR2_PACKAGE_LIBEVENT_OPENIPC=y
+BR2_PACKAGE_LIBOGG_OPENIPC=y
+BR2_PACKAGE_MAJESTIC_FONTS=y
+BR2_PACKAGE_MAJESTIC_WEBUI=y
+BR2_PACKAGE_MAJESTIC=y
+BR2_PACKAGE_MBEDTLS_OPENIPC=y
+BR2_PACKAGE_MOTORS=y
+BR2_PACKAGE_OPUS_OPENIPC=y
+BR2_PACKAGE_OPUS_OPENIPC_FIXED_POINT=y
+BR2_PACKAGE_VTUND_OPENIPC=y
+BR2_PACKAGE_YAML_CLI=y
diff --git a/devices/hi3516ev300_lite_xm-85h50ai/general/overlay/etc/init.d/S01printk b/devices/hi3516ev300_lite_xm-85h50ai/general/overlay/etc/init.d/S01printk
new file mode 100755
index 000000000..9fdc7cf07
--- /dev/null
+++ b/devices/hi3516ev300_lite_xm-85h50ai/general/overlay/etc/init.d/S01printk
@@ -0,0 +1,15 @@
+#!/bin/sh
+#
+# Quiet the kernel's console output. On this board the motor MCU shares
+# ttyAMA0 with the serial console, so every runtime kernel message goes
+# out as garbage on the PTZ wire. Boot-loader and early-boot output still
+# spray (bootargs are untouched); the MCU's 0xC5 framing tolerates that,
+# this just stops the steady drip once userland is up.
+
+case "$1" in
+	start | "")
+		echo 0 > /proc/sys/kernel/printk
+		;;
+esac
+
+exit 0
diff --git a/devices/hi3516ev300_lite_xm-85h50ai/general/overlay/usr/share/openipc/customizer.sh b/devices/hi3516ev300_lite_xm-85h50ai/general/overlay/usr/share/openipc/customizer.sh
new file mode 100755
index 000000000..8bbded53d
--- /dev/null
+++ b/devices/hi3516ev300_lite_xm-85h50ai/general/overlay/usr/share/openipc/customizer.sh
@@ -0,0 +1,41 @@
+#!/bin/sh
+#
+# Perform basic settings on a known IP camera
+#
+# XiongMai 85H50AI: hi3516ev300 + imx335 with a motorized zoom/focus
+# module. The motor MCU shares /dev/ttyAMA0 with the serial console at
+# 115200 and speaks the XM near-Pelco protocol (btzoom-xm).
+#
+#
+# Set sensor
+#
+fw_setenv sensor imx335
+#
+# Set custom upgrade url
+#
+fw_setenv upgrade 'https://github.com/OpenIPC/builder/releases/download/latest/hi3516ev300_lite_xm-85h50ai-nor.tgz'
+#
+#
+# PTZ: the XM zoom block on the console UART. ptz_caps narrows the WebUI
+# pad to what the hardware has — the module accepts pan/tilt frames and
+# silently ignores them (majestic-webui#227).
+#
+fw_setenv ptz_control pelco-xm
+fw_setenv ptz_port /dev/ttyAMA0
+fw_setenv ptz_caps 'zoom focus'
+#
+#
+# The MCU owns the console UART, so getty must not sit on it reading the
+# MCU's bytes. The edit lands in the overlay; an upgrade that wipes the
+# overlay also wipes /etc/custom.ok, so this script runs again and the
+# camera heals itself.
+#
+sed -i '/getty/d' /etc/inittab
+#
+#
+# Reboot so the environment and the inittab edit take effect.
+#
+(sleep 3 ; reboot -f) &
+#
+
+exit 0
diff --git a/devices/hi3516ev300_lite_xm-85h50ai/general/scripts/excludes/hi3516ev300_lite.list b/devices/hi3516ev300_lite_xm-85h50ai/general/scripts/excludes/hi3516ev300_lite.list
new file mode 100644
index 000000000..8ecab44ef
--- /dev/null
+++ b/devices/hi3516ev300_lite_xm-85h50ai/general/scripts/excludes/hi3516ev300_lite.list
@@ -0,0 +1,56 @@
+/usr/lib/sensors/libsns_ar0237.so
+/usr/lib/sensors/libsns_bt656.so
+/usr/lib/sensors/libsns_f22.so
+/usr/lib/sensors/libsns_f23.so
+/usr/lib/sensors/libsns_f37.so
+/usr/lib/sensors/libsns_gc2053.so
+/usr/lib/sensors/libsns_gc2053_forcar.so
+/usr/lib/sensors/libsns_gc4023.so
+/usr/lib/sensors/libsns_gc4653_2l.so
+/usr/lib/sensors/libsns_gc5603.so
+/usr/lib/sensors/libsns_imx290.so
+/usr/lib/sensors/libsns_imx307.so
+/usr/lib/sensors/libsns_imx307_2l.so
+/usr/lib/sensors/libsns_imx327.so
+/usr/lib/sensors/libsns_imx327_2l.so
+/usr/lib/sensors/libsns_mis2008.so
+/usr/lib/sensors/libsns_os02g10.so
+/usr/lib/sensors/libsns_os05a.so
+/usr/lib/sensors/libsns_ov2718.so
+/usr/lib/sensors/libsns_sc2231.so
+/usr/lib/sensors/libsns_sc2232h.so
+/usr/lib/sensors/libsns_sc2235.so
+/usr/lib/sensors/libsns_sc2239.so
+/usr/lib/sensors/libsns_sc223a.so
+/usr/lib/sensors/libsns_sc2315e.so
+/usr/lib/sensors/libsns_sc3235.so
+/usr/lib/sensors/libsns_sc3335.so
+/usr/lib/sensors/libsns_sc3336.so
+/usr/lib/sensors/libsns_sc4236.so
+/usr/lib/sensors/libsns_sc500ai.so
+/usr/lib/sensors/libsns_sp2305.so
+/usr/lib/sensors/libsns_sp2308.so
+#
+/etc/sensors/camhi_imx307_i2c_4l_1080p.ini
+/etc/sensors/gc2053_i2c_1080p.ini
+/etc/sensors/gc4653_i2c_4M.ini
+/etc/sensors/imx307_i2c_2l_1080p.ini
+/etc/sensors/jxf22_i2c_1080p.ini
+/etc/sensors/jxf23_i2c_1080p.ini
+/etc/sensors/jxf37_i2c_1080p.ini
+/etc/sensors/sc2231_i2c_1080p.ini
+/etc/sensors/sc2232h_i2c_1080p.ini
+/etc/sensors/sc2239_i2c_1080p.ini
+/etc/sensors/sc2315e_i2c_1080p.ini
+/etc/sensors/sc3235_i2c_3M.ini
+/etc/sensors/sc3335_i2c_3M.ini
+/etc/sensors/sc4236_i2c_3M.ini
+/etc/sensors/sp2305_i2c_1080p.ini
+/etc/sensors/sp2308_i2c_1080p.ini
+#
+/etc/sensors/iq/f23.ini
+/etc/sensors/iq/imx307.ini
+/etc/sensors/high-fps/imx307_1280x720_60fps.ini
+/etc/sensors/high-fps/imx307_1920x1080_60fps.ini
+/etc/sensors/high-fps/imx307_368x304_200fps.ini
+/etc/sensors/high-fps/imx307_640x480_130fps.ini