diff --git a/cmake/gcc-m-cpu.cmake b/cmake/gcc-m-cpu.cmake
index 2ced5573b4e..45a235191c9 100644
--- a/cmake/gcc-m-cpu.cmake
+++ b/cmake/gcc-m-cpu.cmake
@@ -40,6 +40,8 @@ if("${ARCH}" STREQUAL "arm")
     set(GCC_M_CPU cortex-r5)
   elseif(CONFIG_CPU_CORTEX_R7)
     set(GCC_M_CPU cortex-r7)
+  elseif(CONFIG_CPU_CORTEX_A9)
+    set(GCC_M_CPU cortex-a9)
   else()
     message(FATAL_ERROR "Expected CONFIG_CPU_CORTEX_x to be defined")
   endif()