diff --git a/plat/xilinx/versal/platform.mk b/plat/xilinx/versal/platform.mk
index 35d6bc7..2f07996 100644
--- a/plat/xilinx/versal/platform.mk
+++ b/plat/xilinx/versal/platform.mk
@@ -11,6 +11,8 @@
 PL011_GENERIC_UART := 1
 IPI_CRC_CHECK := 0
 HARDEN_SLS_ALL := 0
+CPU_PWRDWN_SGI ?= 6
+$(eval $(call add_define_val,CPU_PWR_DOWN_REQ_INTR,ARM_IRQ_SEC_SGI_${CPU_PWRDWN_SGI}))
 
 # A72 Erratum for SoC
 ERRATA_A72_859971 := 1