diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index e70f704..27f122e 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -290,6 +290,7 @@
 config PPC_PMAC64
 	bool
 	depends on PPC_PMAC && POWER4
+	select U3_DART
 	default y
 
 config PPC_PREP