diff --git a/src/arch/x86/Kconfig b/src/arch/x86/Kconfig
index ff26a15449..7c8371eff1 100644
--- a/src/arch/x86/Kconfig
+++ b/src/arch/x86/Kconfig
@@ -35,6 +35,10 @@ config ARCH_ROMSTAGE_X86_32
 	bool
 	default n
 
+config ARCH_POSTCAR_X86_32
+	bool
+	default ARCH_ROMSTAGE_X86_32 && POSTCAR_STAGE
+
 config ARCH_RAMSTAGE_X86_32
 	bool
 	default n
@@ -55,6 +59,10 @@ config ARCH_ROMSTAGE_X86_64
 	bool
 	default n
 
+config ARCH_POSTCAR_X86_64
+	bool
+	default ARCH_ROMSTAGE_X86_64 && POSTCAR_STAGE
+
 config ARCH_RAMSTAGE_X86_64
 	bool
 	default n
diff --git a/src/arch/x86/Makefile.inc b/src/arch/x86/Makefile.inc
index 730bc838fb..fcc57c59d1 100644
--- a/src/arch/x86/Makefile.inc
+++ b/src/arch/x86/Makefile.inc
@@ -16,6 +16,10 @@
 ## GNU General Public License for more details.
 ##
 
+ifeq ($(CONFIG_POSTCAR_STAGE),y)
+$(eval $(call init_standard_toolchain,postcar))
+endif
+
 ################################################################################
 # i386 specific tools
 NVRAMTOOL:=$(objutil)/nvramtool/nvramtool