diff --git a/toolchain_ARMCLANG.cmake b/toolchain_ARMCLANG.cmake
index 2a05f2d..99c3ccf 100644
--- a/toolchain_ARMCLANG.cmake
+++ b/toolchain_ARMCLANG.cmake
@@ -233,6 +233,12 @@
     # is not actually enabled in BL2, it will cause BL2 runtime fault.
     set(BL2_LINKER_CP_OPTION --fpu=SoftVFP)
 
+    set(BL1_COMPILER_CP_FLAG
+        $<$<COMPILE_LANGUAGE:C>:-mfpu=softvfp>
+        $<$<COMPILE_LANGUAGE:ASM>:--fpu=softvfp>
+    )
+    set(BL1_LINKER_CP_OPTION --fpu=SoftVFP)
+
     if (CONFIG_TFM_FLOAT_ABI STREQUAL "hard")
         set(COMPILER_CP_FLAG
             $<$<COMPILE_LANGUAGE:C>:-mfloat-abi=hard>