diff --git a/arch/x86/include/asm/bootparam.h b/arch/x86/include/asm/bootparam.h
index a373a79886..48b138c6b0 100644
--- a/arch/x86/include/asm/bootparam.h
+++ b/arch/x86/include/asm/bootparam.h
@@ -117,7 +117,8 @@ enum {
 	X86_SUBARCH_PC = 0,
 	X86_SUBARCH_LGUEST,
 	X86_SUBARCH_XEN,
-	X86_SUBARCH_MRST,
+	X86_SUBARCH_INTEL_MID,
+	X86_SUBARCH_CE4100,
 	X86_NR_SUBARCHS,
 };
 #endif /* _ASM_X86_BOOTPARAM_H */