diff --git a/src/include/cpu/amd/microcode.h b/src/include/cpu/amd/microcode.h
new file mode 100644
index 0000000000..9621090ff2
--- /dev/null
+++ b/src/include/cpu/amd/microcode.h
@@ -0,0 +1,5 @@
+#ifndef CPU_AMD_MICROCODE_H
+#define CPU_AMD_MICORCODE_H
+
+void amd_update_microcode(void *microcode_updates, unsigned processor_rev_id);
+#endif /* CPU_AMD_MICROCODE_H */
\ No newline at end of file