diff --git a/platforms/firmware/.gitrepo b/platforms/firmware/.gitrepo
new file mode 100644
index 0000000..34f42f5
--- /dev/null
+++ b/platforms/firmware/.gitrepo
@@ -0,0 +1,11 @@
+; DO NOT EDIT (unless you know what you are doing)
+;
+; This subdirectory is a git "subrepo", and this file is maintained by the
+; git-subrepo command. See https://github.com/git-commands/git-subrepo#readme
+;
+[subrepo]
+	remote = git@10.183.3.92:mississippi/mississippi-mcu-platform-f40x_mx.git
+	branch = master
+	commit = 
+	method = merge
+	cmdver = 0.4.0