diff --git a/payloads/libpayload/Config.in b/payloads/libpayload/Config.in
index 0a6fbe8ea3..377b7bafb6 100644
--- a/payloads/libpayload/Config.in
+++ b/payloads/libpayload/Config.in
@@ -410,4 +410,9 @@ config LITTLE_ENDIAN
 	default n
 	bool
 
+# Whether the target system has an IO address space.
+config IO_ADDRESS_SPACE
+	default n
+	bool
+
 source "arch/Config.in"
diff --git a/payloads/libpayload/arch/powerpc/Config.in b/payloads/libpayload/arch/powerpc/Config.in
index eb2faa1969..f64f0066f9 100644
--- a/payloads/libpayload/arch/powerpc/Config.in
+++ b/payloads/libpayload/arch/powerpc/Config.in
@@ -32,5 +32,6 @@ if ARCH_POWERPC
 config ARCH_SPECIFIC_OPTIONS # dummy
 	def_bool y
 	select BIG_ENDIAN
+	select IO_ADDRESS_SPACE
 
 endif
diff --git a/payloads/libpayload/arch/x86/Config.in b/payloads/libpayload/arch/x86/Config.in
index f4bd8822e4..4a5e6bd88e 100644
--- a/payloads/libpayload/arch/x86/Config.in
+++ b/payloads/libpayload/arch/x86/Config.in
@@ -32,5 +32,6 @@ if ARCH_X86
 config ARCH_SPECIFIC_OPTIONS # dummy
 	def_bool y
 	select LITTLE_ENDIAN
+	select IO_ADDRESS_SPACE
 
 endif