diff --git a/arch/powerpc/cpu/mpc512x/serial.c b/arch/powerpc/cpu/mpc512x/serial.c
index f4f52ad3576c6cb0777ecf286c0ed047b025f5af..bc10c501aac2c53f7e736cae1168decc31b69eb3 100644
--- a/arch/powerpc/cpu/mpc512x/serial.c
+++ b/arch/powerpc/cpu/mpc512x/serial.c
@@ -365,6 +365,22 @@ __weak struct serial_device *default_serial_console(void)
 #endif
 }
 
+void mpc512x_serial_initialize(void)
+{
+#if defined(CONFIG_SYS_PSC1)
+	serial_register(&serial1_device);
+#endif
+#if defined(CONFIG_SYS_PSC3)
+	serial_register(&serial3_device);
+#endif
+#if defined(CONFIG_SYS_PSC4)
+	serial_register(&serial4_device);
+#endif
+#if defined(CONFIG_SYS_PSC6)
+	serial_register(&serial6_device);
+#endif
+}
+
 #else
 
 void serial_setbrg(void)
diff --git a/common/serial.c b/common/serial.c
index ad8898f151b256ece8730df1dec3db565c2099d4..2ede80eb983ae3149d0879d21acfa7ccd64427ea 100644
--- a/common/serial.c
+++ b/common/serial.c
@@ -45,6 +45,7 @@ serial_initfunc(pxa_serial_initialize);
 serial_initfunc(s3c24xx_serial_initialize);
 serial_initfunc(s5p_serial_initialize);
 serial_initfunc(zynq_serial_initalize);
+serial_initfunc(mpc512x_serial_initialize);
 serial_initfunc(uartlite_serial_initialize);
 
 void serial_register(struct serial_device *dev)
@@ -82,20 +83,7 @@ void serial_initialize(void)
 	pxa_serial_initialize();
 	s3c24xx_serial_initialize();
 	s5p_serial_initialize();
-#if defined(CONFIG_MPC512X)
-#if defined(CONFIG_SYS_PSC1)
-	serial_register(&serial1_device);
-#endif
-#if defined(CONFIG_SYS_PSC3)
-	serial_register(&serial3_device);
-#endif
-#if defined(CONFIG_SYS_PSC4)
-	serial_register(&serial4_device);
-#endif
-#if defined(CONFIG_SYS_PSC6)
-	serial_register(&serial6_device);
-#endif
-#endif
+	mpc512x_serial_initialize();
 #if defined(CONFIG_SYS_BFIN_UART)
 	serial_register_bfin_uart();
 #endif
diff --git a/include/serial.h b/include/serial.h
index 51a044da5e197c6caa90604f411bdd27e32f2f59..71822c671c3da715276842f7d6bb05763ed4b45e 100644
--- a/include/serial.h
+++ b/include/serial.h
@@ -43,13 +43,6 @@ extern struct serial_device eserial4_device;
 
 #endif
 
-#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_OMAP3_ZOOM2)
 extern struct serial_device zoom2_serial_device0;
 extern struct serial_device zoom2_serial_device1;