diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c
index 38cb116ed433..2587ed43ee8a 100644
--- a/drivers/bus/ti-sysc.c
+++ b/drivers/bus/ti-sysc.c
@@ -2951,6 +2951,8 @@ static int sysc_init_soc(struct sysc *ddata)
 		case SOC_3430 ... SOC_3630:
 			sysc_add_disabled(0x48304000);	/* timer12 */
 			break;
+		case SOC_AM3:
+			sysc_add_disabled(0x48310000);  /* rng */
 		default:
 			break;
 		}