|| defined(CONFIG_405EP) || defined(CONFIG_MPC5xxx)
extern struct serial_device serial0_device;
extern struct serial_device serial1_device;
+#if defined(CFG_NS16550_SERIAL)
+extern struct serial_device eserial1_device;
+extern struct serial_device eserial2_device;
+extern struct serial_device eserial3_device;
+extern struct serial_device eserial4_device;
+#endif /* CFG_NS16550_SERIAL */
+
#endif