diff --git a/config/arch.arm b/config/arch.arm
index f42abdfa22..dea0c52e0f 100644
--- a/config/arch.arm
+++ b/config/arch.arm
@@ -37,7 +37,7 @@
     cortex-a9)
       TARGET_SUBARCH=armv7-a
       TARGET_ABI=eabi
-      TARGET_EXTRA_FLAGS=""
+      TARGET_EXTRA_FLAGS="-mfloat-abi=softfp -Wno-psabi -Wa,-mno-warn-deprecated"
       ;;
   esac