diff --git a/board/socrates/socrates.c b/board/socrates/socrates.c
index f51b020..8549883 100644
--- a/board/socrates/socrates.c
+++ b/board/socrates/socrates.c
@@ -271,3 +271,8 @@
 	return fw_dtb;
 }
 #endif
+
+int get_serial_clock(void)
+{
+	return 333333330;
+}