+#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
+
+#if defined(CONFIG_S3C2410)
+extern struct serial_device s3c24xx_serial0_device;
+extern struct serial_device s3c24xx_serial1_device;
+extern struct serial_device s3c24xx_serial2_device;