--- zzzz-none-000/linux-2.6.39.4/firmware/WHENCE	2011-08-03 19:43:28.000000000 +0000
+++ puma6-atom-6490-729/linux-2.6.39.4/firmware/WHENCE	2021-11-10 13:38:17.000000000 +0000
@@ -5,6 +5,19 @@
 This file attempts to document the origin and licensing information,
 if known, for each piece of firmware distributed for use with the Linux
 kernel.
+--------------------------------------------------------------------------
+
+Driver: xhci -- Renesas Electronics uPD720201 & uPD720202 USB3.0 Host Controller
+
+File: firmware/renesas/K2018090.mem
+
+Licence: Unknown and no source visible; but allegedly free to redistribut. 
+    Marked:
+
+    Copyright (C) 2011-2012 Renesas Electronics
+    Corporation All Rights Reserved
+
+Support avaiable at: http://www.renesas.com/products/soc/usb_assp/product/
 
 --------------------------------------------------------------------------