diff --git a/src/mainboard/google/rush_ryu/devicetree.cb b/src/mainboard/google/rush_ryu/devicetree.cb
index 73836a4b1c..6b840c0689 100644
--- a/src/mainboard/google/rush_ryu/devicetree.cb
+++ b/src/mainboard/google/rush_ryu/devicetree.cb
@@ -18,5 +18,7 @@
 ##
 
 chip soc/nvidia/tegra132
-     device cpu_cluster 0 on end
+	register bring_up_secondary_cpu = "1"
+
+	device cpu_cluster 0 on end
 end