diff --git a/projects/Rockchip/README.md b/projects/Rockchip/README.md
index 8871b50020..def46069f0 100644
--- a/projects/Rockchip/README.md
+++ b/projects/Rockchip/README.md
@@ -23,6 +23,7 @@ This project is for Rockchip SoC devices
 * [Orange Pi RK3399](devices/RK3399)
 * [PINE64 RockPro64](devices/RK3399)
 * [Radxa ROCK Pi 4](devices/RK3399)
+* [Radxa ROCK Pi 4+](devices/RK3399)
 * [Radxa ROCK Pi N10](devices/RK3399)
 * [ROC-RK3399-PC](devices/RK3399)
 * [ROC-RK3399-PC-PLUS](devices/RK3399)
diff --git a/projects/Rockchip/devices/RK3399/README.md b/projects/Rockchip/devices/RK3399/README.md
index fd21a43e26..970c1d21dd 100644
--- a/projects/Rockchip/devices/RK3399/README.md
+++ b/projects/Rockchip/devices/RK3399/README.md
@@ -11,6 +11,7 @@ This is a SoC device for RK3399
 * `PROJECT=Rockchip DEVICE=RK3399 ARCH=arm UBOOT_SYSTEM=orangepi make image`
 * `PROJECT=Rockchip DEVICE=RK3399 ARCH=arm UBOOT_SYSTEM=rock960 make image`
 * `PROJECT=Rockchip DEVICE=RK3399 ARCH=arm UBOOT_SYSTEM=rock-pi-4 make image`
+* `PROJECT=Rockchip DEVICE=RK3399 ARCH=arm UBOOT_SYSTEM=rock-pi-4-plus make image`
 * `PROJECT=Rockchip DEVICE=RK3399 ARCH=arm UBOOT_SYSTEM=rock-pi-n10 make image`
 * `PROJECT=Rockchip DEVICE=RK3399 ARCH=arm UBOOT_SYSTEM=rockpro64 make image`
 * `PROJECT=Rockchip DEVICE=RK3399 ARCH=arm UBOOT_SYSTEM=roc-pc make image`
diff --git a/scripts/uboot_helper b/scripts/uboot_helper
index ac788a98b5..741ad6bb9b 100755
--- a/scripts/uboot_helper
+++ b/scripts/uboot_helper
@@ -292,6 +292,10 @@ devices = \
         'dtb': 'rk3399-rock-pi-4b.dtb',
         'config': 'evb-rk3399_defconfig'
       },
+      'rock-pi-4-plus': {
+        'dtb': 'rk3399-rock-pi-4b-plus.dtb',
+        'config': 'evb-rk3399_defconfig'
+      },
       'rock-pi-n10': {
         'dtb': 'rk3399pro-rock-pi-n10.dtb',
         'config': 'evb-rk3399_defconfig'