diff --git a/conf/layer.conf b/conf/layer.conf
index dad2abf..bb727b5 100644
--- a/conf/layer.conf
+++ b/conf/layer.conf
@@ -9,3 +9,6 @@
 BBFILE_PATTERN_openpower-layer = "^${LAYERDIR}/"
 LAYERVERSION_openpower-layer = "1"
 LAYERSERIES_COMPAT_openpower-layer = "sumo"
+
+# Provide a variable that points the base of the openpower layer.
+OPENPOWERBASE = '${@os.path.normpath("${LAYERDIR}/")}'