4 files changed, 13 insertions, 5 deletions
diff --git a/src/mainboard/asus/mew-vm/romstage.c b/src/mainboard/asus/mew-vm/romstage.c
index d2d418606b..3c67af3fdd 100644
--- a/src/mainboard/asus/mew-vm/romstage.c
+++ b/src/mainboard/asus/mew-vm/romstage.c
@@ -24,7 +24,7 @@
 #include <device/pnp_def.h>
 #include <stdlib.h>
 #include <console/console.h>
-#include "superio/smsc/lpc47b272/early_serial.c"
+#include <superio/smsc/lpc47b272/lpc47b272.h>
 #include "northbridge/intel/i82810/raminit.h"
 #include "cpu/x86/bist.h"
 #include "southbridge/intel/i82801ax/i82801ax.h"
diff --git a/src/superio/smsc/lpc47b272/Makefile.inc b/src/superio/smsc/lpc47b272/Makefile.inc
index 680e937f77..8102229db5 100644
--- a/src/superio/smsc/lpc47b272/Makefile.inc
+++ b/src/superio/smsc/lpc47b272/Makefile.inc
@@ -18,4 +18,5 @@
 ## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 ##
 
+romstage-$(CONFIG_SUPERIO_SMSC_LPC47B272) += early_serial.c
 ramstage-$(CONFIG_SUPERIO_SMSC_LPC47B272) += superio.c
diff --git a/src/superio/smsc/lpc47b272/early_serial.c b/src/superio/smsc/lpc47b272/early_serial.c
index 3624df272f..88afca556f 100644
--- a/src/superio/smsc/lpc47b272/early_serial.c
+++ b/src/superio/smsc/lpc47b272/early_serial.c
@@ -21,6 +21,8 @@
 /* Pre-RAM driver for SMSC LPC47B272 Super I/O chip. */
 
 #include <arch/io.h>
+#include <device/pnp.h>
+#include <stdint.h>
 #include "lpc47b272.h"
 
 static void pnp_enter_conf_state(pnp_devfn_t dev)
@@ -42,7 +44,7 @@ static void pnp_exit_conf_state(pnp_devfn_t dev)
  * @param dev High 8 bits = Super I/O port, low 8 bits = logical device number.
  * @param iobase Processor I/O port address to assign to this serial device.
  */
-static void lpc47b272_enable_serial(pnp_devfn_t dev, u16 iobase)
+void lpc47b272_enable_serial(pnp_devfn_t dev, u16 iobase)
 {
 	pnp_enter_conf_state(dev);
 	pnp_set_logical_device(dev);
diff --git a/src/superio/smsc/lpc47b272/lpc47b272.h b/src/superio/smsc/lpc47b272/lpc47b272.h
index cbfdb1307b..a311708518 100644
--- a/src/superio/smsc/lpc47b272/lpc47b272.h
+++ b/src/superio/smsc/lpc47b272/lpc47b272.h
@@ -18,8 +18,8 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#ifndef SUPERIO_SMSC_LPC47B272_LPC47B272_H
-#define SUPERIO_SMSC_LPC47B272_LPC47B272_H
+#ifndef SUPERIO_SMSC_LPC47B272_H
+#define SUPERIO_SMSC_LPC47B272_H
 
 #define LPC47B272_FDC              0   /* Floppy */
 #define LPC47B272_PP               3   /* Parallel Port */
@@ -30,4 +30,9 @@
 
 #define LPC47B272_MAX_CONFIG_REGISTER	0x5F
 
-#endif
+#include <arch/io.h>
+#include <stdint.h>
+
+void lpc47b272_enable_serial(pnp_devfn_t dev, u16 iobase);
+
+#endif /* SUPERIO_SMSC_LPC47B272_H */