kwboot_usage(FILE *stream, char *progname)
 {
        fprintf(stream,
-               "Usage: %s [-d | -a | -b <image> | -D <image> ] [ -t ] [-B <baud> ] <TTY>\n",
+               "Usage: %s [-d | -a | -q <req-delay> | -s <resp-timeo> | -b <image> | -D <image> ] [ -t ] [-B <baud> ] <TTY>\n",
                progname);
        fprintf(stream, "\n");
        fprintf(stream,
                "  -D <image>: boot <image> without preamble (Dove)\n");
        fprintf(stream, "  -d: enter debug mode\n");
        fprintf(stream, "  -a: use timings for Armada XP\n");
+       fprintf(stream, "  -q <req-delay>:  use specific request-delay\n");
+       fprintf(stream, "  -s <resp-timeo>: use specific response-timeout\n");
        fprintf(stream, "\n");
        fprintf(stream, "  -t: mini terminal\n");
        fprintf(stream, "\n");
        kwboot_verbose = isatty(STDOUT_FILENO);
 
        do {
-               int c = getopt(argc, argv, "hb:ptaB:dD:");
+               int c = getopt(argc, argv, "hb:ptaB:dD:q:s:");
                if (c < 0)
                        break;
 
                        msg_rsp_timeo = KWBOOT_MSG_RSP_TIMEO_AXP;
                        break;
 
+               case 'q':
+                       msg_req_delay = atoi(optarg);
+                       break;
+
+               case 's':
+                       msg_rsp_timeo = atoi(optarg);
+                       break;
+
                case 'B':
                        speed = kwboot_tty_speed(atoi(optarg));
                        if (speed == -1)