1 files changed, 12 insertions, 0 deletions

diff --git a/arch/mips/alchemy/xxs1500/board_setup.c b/arch/mips/alchemy/xxs1500/board_setup.c
index 4c587acac5c..a2634fabc50 100644
--- a/arch/mips/alchemy/xxs1500/board_setup.c
+++ b/arch/mips/alchemy/xxs1500/board_setup.c
@@ -28,6 +28,8 @@
 
 #include <asm/mach-au1x00/au1000.h>
 
+#include <prom.h>
+
 void board_reset(void)
 {
         /* Hit BCSR.SYSTEM_CONTROL[SW_RST] */
@@ -38,6 +40,16 @@ void __init board_setup(void)
 {
         u32 pin_func;
 
+#ifdef CONFIG_SERIAL_8250_CONSOLE
+        char *argptr;
+        argptr = prom_getcmdline();
+        argptr = strstr(argptr, "console=");
+        if (argptr == NULL) {
+                argptr = prom_getcmdline();
+                strcat(argptr, " console=ttyS0,115200");
+        }
+#endif
+
         /* Set multiple use pins (UART3/GPIO) to UART (it's used as UART too) */
         pin_func  = au_readl(SYS_PINFUNC) & ~SYS_PF_UR3;
         pin_func |= SYS_PF_UR3;