diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 232c298c933f..d40844f9b047 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -160,6 +160,7 @@ config PPC_DCR
 
 config PPC_OF_PLATFORM_PCI
 	bool
+	depends on PCI
 	depends on PPC64 # not supported on 32 bits yet
 	default n
 
@@ -417,7 +418,7 @@ endmenu
 
 config ISA_DMA_API
 	bool
-	default y
+	default !PPC_ISERIES || PCI
 
 menu "Bus options"
 
diff --git a/arch/powerpc/platforms/maple/Kconfig b/arch/powerpc/platforms/maple/Kconfig
index f7c95eb5d8ba..a6467a5591fa 100644
--- a/arch/powerpc/platforms/maple/Kconfig
+++ b/arch/powerpc/platforms/maple/Kconfig
@@ -1,6 +1,7 @@
 config PPC_MAPLE
 	depends on PPC_MULTIPLATFORM && PPC64
 	bool "Maple 970FX Evaluation Board"
+	select PCI
 	select MPIC
 	select U3_DART
 	select MPIC_U3_HT_IRQS
diff --git a/arch/powerpc/platforms/pasemi/Kconfig b/arch/powerpc/platforms/pasemi/Kconfig
index 2f4dd6e4aac1..b3458a181a15 100644
--- a/arch/powerpc/platforms/pasemi/Kconfig
+++ b/arch/powerpc/platforms/pasemi/Kconfig
@@ -3,6 +3,7 @@ config PPC_PASEMI
 	bool "PA Semi SoC-based platforms"
 	default n
 	select MPIC
+	select PCI
 	select PPC_UDBG_16550
 	select PPC_NATIVE
 	select MPIC_BROKEN_REGREAD