diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
index 8ca4176..3e2f75d 100644
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -356,7 +356,7 @@ config MTD_NAND_DISKONCHIP_BBTWRITE
 
 config MTD_NAND_DOCG4
 	tristate "Support for DiskOnChip G4 (EXPERIMENTAL)"
-	depends on EXPERIMENTAL
+	depends on EXPERIMENTAL && HAS_IOMEM
 	select BCH
 	select BITREVERSE
 	help