diff --git a/arch/sh/boards/Kconfig b/arch/sh/boards/Kconfig
index 938e87d..fd6ddeb 100644
--- a/arch/sh/boards/Kconfig
+++ b/arch/sh/boards/Kconfig
@@ -154,6 +154,7 @@
 	bool "SDK7786"
 	depends on CPU_SUBTYPE_SH7786
 	select SYS_SUPPORTS_PCI
+	select NO_IOPORT if !PCI
 	help
 	  Select SDK7786 if configuring for a Renesas Technology Europe
 	  SH7786-65nm board.