diff --git a/include/configs/zynq-common.h b/include/configs/zynq-common.h
index 8707bc0..e7a8e9f 100644
--- a/include/configs/zynq-common.h
+++ b/include/configs/zynq-common.h
@@ -217,6 +217,10 @@
 #define CONFIG_OF_SEPARATE
 #define CONFIG_DISPLAY_BOARDINFO_LATE
 
+/* RSA support */
+#define CONFIG_FIT_SIGNATURE
+#define CONFIG_RSA
+
 /* Boot FreeBSD/vxWorks from an ELF image */
 #if defined(CONFIG_ZYNQ_BOOT_FREEBSD)
 # define CONFIG_API