diff --git a/arch/arm/boot/dts/socfpga_arria5.dtsi b/arch/arm/boot/dts/socfpga_arria5.dtsi
index 468fc4cf0742..03e8268ae219 100644
--- a/arch/arm/boot/dts/socfpga_arria5.dtsi
+++ b/arch/arm/boot/dts/socfpga_arria5.dtsi
@@ -15,6 +15,8 @@
  */
 
 /dts-v1/;
+/* First 4KB has trampoline code for secondary cores. */
+/memreserve/ 0x00000000 0x0001000;
 #include "socfpga.dtsi"
 
 / {
diff --git a/arch/arm/boot/dts/socfpga_cyclone5.dtsi b/arch/arm/boot/dts/socfpga_cyclone5.dtsi
index 33cad8bcba18..28c05e7a31c9 100644
--- a/arch/arm/boot/dts/socfpga_cyclone5.dtsi
+++ b/arch/arm/boot/dts/socfpga_cyclone5.dtsi
@@ -16,6 +16,8 @@
  */
 
 /dts-v1/;
+/* First 4KB has trampoline code for secondary cores. */
+/memreserve/ 0x00000000 0x0001000;
 #include "socfpga.dtsi"
 
 / {