diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index ca5c09b..d88a61b 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -83,6 +83,10 @@
 config GENERIC_CLOCKEVENTS_BROADCAST
 	bool
 
+config GENERIC_CMOS_UPDATE
+	def_bool y
+	depends on SH_SH03 || SH_DREAMCAST
+
 config GENERIC_LOCKBREAK
 	def_bool y
 	depends on SMP && PREEMPT