--- a/loadtools/sertool.c	Tue Mar 10 04:10:05 2020 +0000
+++ b/loadtools/sertool.c	Tue Mar 10 07:05:32 2020 +0000
@@ -26,7 +26,7 @@
 	extern int optind;
 	int c;
 
-	while ((c = getopt(argc, argv, "b:c:C:h:H:i:P:")) != EOF)
+	while ((c = getopt(argc, argv, "b:c:C:h:H:i:P:t:")) != EOF)
 		switch (c) {
 		case 'b':
 			set_romload_baudrate(optarg);
@@ -50,6 +50,9 @@
 			if (find_bootctrl_entry(optarg) < 0)
 				exit(1);	/* error msg already printed */
 			continue;
+		case 't':
+			set_romload_timeout(optarg);
+			continue;
 		case '?':
 		default:
 usage:			fprintf(stderr,