--- /dev/null
+/*
+ * Copyright (C) 2012 Marek Vasut <marex@denx.de>
+ *
+ * This file contains stub implementation of
+ * invalidate_dcache_range()
+ * flush_dcache_range()
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+void invalidate_dcache_range(unsigned long start, unsigned long stop)
+{
+}
+
+void flush_dcache_range(unsigned long start, unsigned long stop)
+{
+}