diff --git a/plat/xilinx/common/include/plat_startup.h b/plat/xilinx/common/include/plat_startup.h
index 1e7ea54..5ccb774 100644
--- a/plat/xilinx/common/include/plat_startup.h
+++ b/plat/xilinx/common/include/plat_startup.h
@@ -30,6 +30,8 @@
 	struct xfsbl_partition partition[FSBL_MAX_PARTITIONS];
 };
 
+#define ATF_HANDOFF_PARAMS_MAX_SIZE	sizeof(struct xfsbl_atf_handoff_params)
+
 enum fsbl_handoff fsbl_atf_handover(entry_point_info_t *bl32,
 					entry_point_info_t *bl33,
 					uint64_t atf_handoff_addr);