diff --git a/u-boot/rknext/fork.conf b/u-boot/rknext/fork.conf
index dae1974..f005783 100644
--- a/u-boot/rknext/fork.conf
+++ b/u-boot/rknext/fork.conf
@@ -5,6 +5,7 @@ BSP_REPLACES=("rk3588")
 SUPPORTED_BOARDS=(
     #"rock-pi-e"
     "rock-2"
+    "rock-3b"
     "rock-5-itx"
     "rock-5a"
     "rock-5b"
@@ -47,6 +48,10 @@ bsp_rk3568() {
     RKBIN_DDR="${BSP_SOC}_ddr_1560MHz_v"
 }
 
+bsp_rock-3b() {
+    bsp_rk3568
+}
+
 bsp_rk3588() {
     BSP_SOC="rk3588"
     RKBIN_DDR="${BSP_SOC}_ddr_lp4_2112MHz_lp5_2400MHz"