diff --git a/meta-phosphor/classes/mrw-xml.bbclass b/meta-phosphor/classes/mrw-xml.bbclass
new file mode 100644
index 0000000..5a9c773
--- /dev/null
+++ b/meta-phosphor/classes/mrw-xml.bbclass
@@ -0,0 +1,2 @@
+MRW_XML ??= "${MACHINE}.xml"
+mrw_datadir = "${datadir}/obmc-mrw"