diff --git a/src/target/arm_adi_v5.h b/src/target/arm_adi_v5.h
index e07b577af..fc7fdafd8 100644
--- a/src/target/arm_adi_v5.h
+++ b/src/target/arm_adi_v5.h
@@ -420,6 +420,9 @@ struct adiv5_dap {
  * available until run().
  */
 struct dap_ops {
+	/** Optional; called once on the first enabled dap before connecting */
+	int (*pre_connect_init)(struct adiv5_dap *dap);
+
 	/** connect operation for SWD */
 	int (*connect)(struct adiv5_dap *dap);
 
diff --git a/src/target/arm_dap.c b/src/target/arm_dap.c
index 84cc6c743..9f4afae74 100644
--- a/src/target/arm_dap.c
+++ b/src/target/arm_dap.c
@@ -91,6 +91,7 @@ static int dap_init_all(void)
 {
 	struct arm_dap_object *obj;
 	int retval;
+	bool pre_connect = true;
 
 	LOG_DEBUG("Initializing all DAPs ...");
 
@@ -123,6 +124,14 @@ static int dap_init_all(void)
 				is_adiv6(dap) ? "ADIv6" : "ADIv5");
 		}
 
+		if (pre_connect && dap->ops->pre_connect_init) {
+			retval = dap->ops->pre_connect_init(dap);
+			if (retval != ERROR_OK)
+				return retval;
+
+			pre_connect = false;
+		}
+
 		retval = dap->ops->connect(dap);
 		if (retval != ERROR_OK)
 			return retval;