diff --git a/examples/zephyr/rpmsg_multi_services/boards/kv260_r5.overlay b/examples/zephyr/rpmsg_multi_services/boards/kv260_r5.overlay
index 0766a73..fee78c0 100644
--- a/examples/zephyr/rpmsg_multi_services/boards/kv260_r5.overlay
+++ b/examples/zephyr/rpmsg_multi_services/boards/kv260_r5.overlay
@@ -4,6 +4,8 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
+#include "zynqmp_r5_override.dtsi"
+
 / {
 	model = "KV260 Cortex-R5";
 	compatible = "xlnx,zynqmp-r5";
diff --git a/examples/zephyr/rpmsg_multi_services/boards/qemu_cortex_r5.overlay b/examples/zephyr/rpmsg_multi_services/boards/qemu_cortex_r5.overlay
index 3ec2acb..4707041 100644
--- a/examples/zephyr/rpmsg_multi_services/boards/qemu_cortex_r5.overlay
+++ b/examples/zephyr/rpmsg_multi_services/boards/qemu_cortex_r5.overlay
@@ -4,6 +4,8 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
+#include "zynqmp_r5_override.dtsi"
+
 / {
 	model = "QEMU Cortex-R5";
 	compatible = "xlnx,zynqmp-qemu";
diff --git a/examples/zephyr/rpmsg_multi_services/boards/zynqmp_r5_override.dtsi b/examples/zephyr/rpmsg_multi_services/boards/zynqmp_r5_override.dtsi
new file mode 100644
index 0000000..b1b5a92
--- /dev/null
+++ b/examples/zephyr/rpmsg_multi_services/boards/zynqmp_r5_override.dtsi
@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2023 Linaro Limited
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/* This file should do away once Zephyr has been adjusted for better memory
+ * configuration for zynqmp_r5
+ */
+
+/ {
+	chosen {
+		/* override zephyr for now until definitions can be fixed upstream */
+		zephyr,sram = &tcm_lockstep;
+
+		/* flash0 is QSPI XIP at offset 0 and is unlikely to be appropriate */
+		/delete-property/ zephyr,flash;
+	};
+
+	soc {
+		tcm_lockstep: memory@0 {
+			compatible = "mmio-sram";
+			reg = <0 DT_SIZE_K(256)>;
+		};
+    };
+};