--- zzzz-none-000/linux-3.10.107/arch/tile/gxio/Kconfig	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/tile/gxio/Kconfig	2021-02-04 17:41:59.000000000 +0000
@@ -26,3 +26,8 @@
 config TILE_GXIO_USB_HOST
 	bool
 	select TILE_GXIO
+
+# Support direct access to the TILE-Gx UART hardware from kernel space.
+config TILE_GXIO_UART
+	bool
+	select TILE_GXIO