diff --git a/src/include/console/post_codes.h b/src/include/console/post_codes.h
index 0277337a0a..f482ae9e47 100644
--- a/src/include/console/post_codes.h
+++ b/src/include/console/post_codes.h
@@ -81,6 +81,22 @@
  */
 #define POST_ENTRY_C_START			0x13
 
+/**
+ * \brief Pre-memory init preparation start
+ *
+ * Post code emitted in romstage before making callbacks to allow SoC/mainboard
+ * to prepare params for FSP memory init.
+ */
+#define POST_MEM_PREINIT_PREP_START		0x34
+
+/**
+ * \brief Pre-memory init preparation end
+ *
+ * Post code emitted in romstage after returning from SoC/mainboard callbacks
+ * to prepare params for FSP memory init.
+ */
+#define POST_MEM_PREINIT_PREP_END		0x36
+
 /**
  * \brief Pre call to RAM stage main()
  *