Initial revision
diff --git a/board/cogent/rtc.c b/board/cogent/rtc.c
new file mode 100644
index 0000000..ace9193
--- /dev/null
+++ b/board/cogent/rtc.c
@@ -0,0 +1,3 @@
+/* rtc not implemented yet */
+
+int cma_rtc_not_implemented = 1;