diff --git a/arch/arm/cpu/armv7m/config.mk b/arch/arm/cpu/armv7m/config.mk
new file mode 100644
index 0000000..0b31e44
--- /dev/null
+++ b/arch/arm/cpu/armv7m/config.mk
@@ -0,0 +1,8 @@
+#
+# (C) Copyright 2015
+# Kamil Lulko, <rev13@wp.pl>
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+PLATFORM_CPPFLAGS += -march=armv7-m -mthumb