+#if defined(CONFIG_MPC512X)
+extern struct serial_device serial1_device;
+extern struct serial_device serial3_device;
+extern struct serial_device serial4_device;
+extern struct serial_device serial6_device;
+#endif
+
+#if defined(CONFIG_XILINX_UARTLITE)
+extern struct serial_device uartlite_serial0_device;
+extern struct serial_device uartlite_serial1_device;
+extern struct serial_device uartlite_serial2_device;
+extern struct serial_device uartlite_serial3_device;
+#endif
+