diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index 6537445dac0..f7c51b86904 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -21,6 +21,10 @@ config GENERIC_ISA_DMA
 	bool
 	default y
 
+config GENERIC_IOMAP
+	bool
+	default y
+
 source "init/Kconfig"
 
 menu "General machine setup"
diff --git a/arch/sparc/defconfig b/arch/sparc/defconfig
index a6985626300..8a3aef1e22f 100644
--- a/arch/sparc/defconfig
+++ b/arch/sparc/defconfig
@@ -5,6 +5,7 @@ CONFIG_MMU=y
 CONFIG_UID16=y
 CONFIG_HIGHMEM=y
 CONFIG_GENERIC_ISA_DMA=y
+CONFIG_GENERIC_IOMAP=y
 
 #
 # Code maturity level options