diff --git a/arch/powerpc/cpu/mpc512x/serial.c b/arch/powerpc/cpu/mpc512x/serial.c
index cb5bbf0..558e4e2 100644
--- a/arch/powerpc/cpu/mpc512x/serial.c
+++ b/arch/powerpc/cpu/mpc512x/serial.c
@@ -30,6 +30,7 @@
  */
 
 #include <common.h>
+#include <linux/compiler.h>
 #include <asm/io.h>
 #include <asm/processor.h>
 #include <serial.h>
@@ -354,6 +355,17 @@
 INIT_PSC_SERIAL_STRUCTURE(6, "psc6", "UART6");
 #endif
 
+__weak struct serial_device *default_serial_console(void)
+{
+#if (CONFIG_PSC_CONSOLE == 3)
+	return &serial3_device;
+#elif (CONFIG_PSC_CONSOLE == 6)
+	return &serial6_device;
+#else
+#error "invalid CONFIG_PSC_CONSOLE"
+#endif
+}
+
 #else
 
 void serial_setbrg(void)
diff --git a/arch/powerpc/cpu/mpc5xxx/serial.c b/arch/powerpc/cpu/mpc5xxx/serial.c
index 0127065..0e1a8ec 100644
--- a/arch/powerpc/cpu/mpc5xxx/serial.c
+++ b/arch/powerpc/cpu/mpc5xxx/serial.c
@@ -34,6 +34,7 @@
  */
 
 #include <common.h>
+#include <linux/compiler.h>
 #include <mpc5xxx.h>
 
 #if defined (CONFIG_SERIAL_MULTI)
@@ -348,6 +349,11 @@
 	serial0_puts,
 };
 
+__weak struct serial_device *default_serial_console(void)
+{
+	return &serial0_device;
+}
+
 struct serial_device serial1_device =
 {
 	"serial1",
diff --git a/arch/powerpc/cpu/mpc8xx/serial.c b/arch/powerpc/cpu/mpc8xx/serial.c
index 9514c66..21803f5 100644
--- a/arch/powerpc/cpu/mpc8xx/serial.c
+++ b/arch/powerpc/cpu/mpc8xx/serial.c
@@ -26,6 +26,7 @@
 #include <command.h>
 #include <serial.h>
 #include <watchdog.h>
+#include <linux/compiler.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -673,6 +674,15 @@
 
 #endif	/* CONFIG_8xx_CONS_SCCx */
 
+__weak struct serial_device *default_serial_console(void)
+{
+#if defined(CONFIG_8xx_CONS_SMC1) || defined(CONFIG_8xx_CONS_SMC2)
+	return &serial_smc_device;
+#else
+	return &serial_scc_device;
+#endif
+}
+
 #ifdef CONFIG_MODEM_SUPPORT
 void disable_putc(void)
 {