diff --git a/plat/xilinx/zynqmp/pm_service/pm_api_sys.h b/plat/xilinx/zynqmp/pm_service/pm_api_sys.h
index 8726eb7..bdb0eac 100644
--- a/plat/xilinx/zynqmp/pm_service/pm_api_sys.h
+++ b/plat/xilinx/zynqmp/pm_service/pm_api_sys.h
@@ -108,6 +108,10 @@
 enum pm_ret_status pm_fpga_get_status(unsigned int *value);
 
 enum pm_ret_status pm_get_chipid(uint32_t *value);
+enum pm_ret_status pm_secure_rsaaes(uint32_t address_high,
+				    uint32_t address_low,
+				    uint32_t size,
+				    uint32_t flags);
 void pm_get_callbackdata(uint32_t *data, size_t count);
 enum pm_ret_status pm_pinctrl_request(unsigned int pin);
 enum pm_ret_status pm_pinctrl_release(unsigned int pin);