diff --git a/arch/mips/alchemy/common/setup.c b/arch/mips/alchemy/common/setup.c
index 1ac6b06..9889ec3 100644
--- a/arch/mips/alchemy/common/setup.c
+++ b/arch/mips/alchemy/common/setup.c
@@ -35,7 +35,6 @@
 #include <asm/time.h>
 
 #include <au1000.h>
-#include <prom.h>
 
 extern void __init board_setup(void);
 extern void au1000_restart(char *);
@@ -46,12 +45,15 @@
 void __init plat_mem_setup(void)
 {
 	struct	cpu_spec *sp;
-	char *argptr;
 	unsigned long prid, cpufreq, bclk;
 
 	set_cpuspec();
 	sp = cur_cpu_spec[0];
 
+	_machine_restart = au1000_restart;
+	_machine_halt = au1000_halt;
+	pm_power_off = au1000_power_off;
+
 	board_setup();  /* board specific setup */
 
 	prid = read_c0_prid();
@@ -79,34 +81,6 @@
 		/* Clear to obtain best system bus performance */
 		clear_c0_config(1 << 19); /* Clear Config[OD] */
 
-	argptr = prom_getcmdline();
-
-#ifdef CONFIG_SERIAL_8250_CONSOLE
-	argptr = strstr(argptr, "console=");
-	if (argptr == NULL) {
-		argptr = prom_getcmdline();
-		strcat(argptr, " console=ttyS0,115200");
-	}
-#endif
-
-#ifdef CONFIG_FB_AU1100
-	argptr = strstr(argptr, "video=");
-	if (argptr == NULL) {
-		argptr = prom_getcmdline();
-		/* default panel */
-		/*strcat(argptr, " video=au1100fb:panel:Sharp_320x240_16");*/
-	}
-#endif
-
-#if defined(CONFIG_SOUND_AU1X00) && !defined(CONFIG_SOC_AU1000)
-	/* au1000 does not support vra, au1500 and au1100 do */
-	strcat(argptr, " au1000_audio=vra");
-	argptr = prom_getcmdline();
-#endif
-	_machine_restart = au1000_restart;
-	_machine_halt = au1000_halt;
-	pm_power_off = au1000_power_off;
-
 	/* IO/MEM resources. */
 	set_io_port_base(0);
 	ioport_resource.start = IOPORT_RESOURCE_START;
diff --git a/arch/mips/alchemy/devboards/db1x00/board_setup.c b/arch/mips/alchemy/devboards/db1x00/board_setup.c
index 427f799..a75ffbf 100644
--- a/arch/mips/alchemy/devboards/db1x00/board_setup.c
+++ b/arch/mips/alchemy/devboards/db1x00/board_setup.c
@@ -32,6 +32,9 @@
 #include <asm/mach-au1x00/au1000.h>
 #include <asm/mach-db1x00/db1x00.h>
 
+#include <prom.h>
+
+
 static BCSR * const bcsr = (BCSR *)BCSR_KSEG1_ADDR;
 
 const char *get_system_type(void)
@@ -52,6 +55,31 @@
 void __init board_setup(void)
 {
 	u32 pin_func = 0;
+	char *argptr;
+
+	argptr = prom_getcmdline();
+#ifdef CONFIG_SERIAL_8250_CONSOLE
+	argptr = strstr(argptr, "console=");
+	if (argptr == NULL) {
+		argptr = prom_getcmdline();
+		strcat(argptr, " console=ttyS0,115200");
+	}
+#endif
+
+#ifdef CONFIG_FB_AU1100
+	argptr = strstr(argptr, "video=");
+	if (argptr == NULL) {
+		argptr = prom_getcmdline();
+		/* default panel */
+		/*strcat(argptr, " video=au1100fb:panel:Sharp_320x240_16");*/
+	}
+#endif
+
+#if defined(CONFIG_SOUND_AU1X00) && !defined(CONFIG_SOC_AU1000)
+	/* au1000 does not support vra, au1500 and au1100 do */
+	strcat(argptr, " au1000_audio=vra");
+	argptr = prom_getcmdline();
+#endif
 
 	/* Not valid for Au1550 */
 #if defined(CONFIG_IRDA) && \
diff --git a/arch/mips/alchemy/devboards/pb1000/board_setup.c b/arch/mips/alchemy/devboards/pb1000/board_setup.c
index b75e487..889c8fd 100644
--- a/arch/mips/alchemy/devboards/pb1000/board_setup.c
+++ b/arch/mips/alchemy/devboards/pb1000/board_setup.c
@@ -28,6 +28,7 @@
 #include <linux/interrupt.h>
 #include <asm/mach-au1x00/au1000.h>
 #include <asm/mach-pb1x00/pb1000.h>
+#include <prom.h>
 
 
 struct au1xxx_irqmap __initdata au1xxx_irq_map[] = {
@@ -52,6 +53,15 @@
 	u32 sys_freqctrl, sys_clksrc;
 	u32 prid = read_c0_prid();
 
+#ifdef CONFIG_SERIAL_8250_CONSOLE
+	char *argptr = prom_getcmdline();
+	argptr = strstr(argptr, "console=");
+	if (argptr == NULL) {
+		argptr = prom_getcmdline();
+		strcat(argptr, " console=ttyS0,115200");
+	}
+#endif
+
 	/* Set AUX clock to 12 MHz * 8 = 96 MHz */
 	au_writel(8, SYS_AUXPLL);
 	au_writel(0, SYS_PINSTATERD);
diff --git a/arch/mips/alchemy/devboards/pb1100/board_setup.c b/arch/mips/alchemy/devboards/pb1100/board_setup.c
index 9daab7e..fbd211e 100644
--- a/arch/mips/alchemy/devboards/pb1100/board_setup.c
+++ b/arch/mips/alchemy/devboards/pb1100/board_setup.c
@@ -29,6 +29,8 @@
 #include <asm/mach-au1x00/au1000.h>
 #include <asm/mach-pb1x00/pb1100.h>
 
+#include <prom.h>
+
 
 struct au1xxx_irqmap __initdata au1xxx_irq_map[] = {
 	{ AU1000_GPIO_9,  INTC_INT_LOW_LEVEL, 0 }, /* PCMCIA Card Fully_Inserted# */
@@ -54,6 +56,31 @@
 void __init board_setup(void)
 {
 	volatile void __iomem *base = (volatile void __iomem *)0xac000000UL;
+	char *argptr;
+
+	argptr = prom_getcmdline();
+#ifdef CONFIG_SERIAL_8250_CONSOLE
+	argptr = strstr(argptr, "console=");
+	if (argptr == NULL) {
+		argptr = prom_getcmdline();
+		strcat(argptr, " console=ttyS0,115200");
+	}
+#endif
+
+#ifdef CONFIG_FB_AU1100
+	argptr = strstr(argptr, "video=");
+	if (argptr == NULL) {
+		argptr = prom_getcmdline();
+		/* default panel */
+		/*strcat(argptr, " video=au1100fb:panel:Sharp_320x240_16");*/
+	}
+#endif
+
+#if defined(CONFIG_SOUND_AU1X00) && !defined(CONFIG_SOC_AU1000)
+	/* au1000 does not support vra, au1500 and au1100 do */
+	strcat(argptr, " au1000_audio=vra");
+	argptr = prom_getcmdline();
+#endif
 
 	/* Set AUX clock to 12 MHz * 8 = 96 MHz */
 	au_writel(8, SYS_AUXPLL);
diff --git a/arch/mips/alchemy/devboards/pb1200/board_setup.c b/arch/mips/alchemy/devboards/pb1200/board_setup.c
index 8f03dc8..b5585e4 100644
--- a/arch/mips/alchemy/devboards/pb1200/board_setup.c
+++ b/arch/mips/alchemy/devboards/pb1200/board_setup.c
@@ -46,7 +46,19 @@
 
 void __init board_setup(void)
 {
-	char *argptr = NULL;
+	char *argptr;
+
+	argptr = prom_getcmdline();
+#ifdef CONFIG_SERIAL_8250_CONSOLE
+	argptr = strstr(argptr, "console=");
+	if (argptr == NULL) {
+		argptr = prom_getcmdline();
+		strcat(argptr, " console=ttyS0,115200");
+	}
+#endif
+#ifdef CONFIG_FB_AU1200
+	strcat(argptr, " video=au1200fb:panel:bs");
+#endif
 
 #if 0
 	{
@@ -104,16 +116,6 @@
 	}
 #endif
 
-#ifdef CONFIG_FB_AU1200
-	argptr = prom_getcmdline();
-#ifdef CONFIG_MIPS_PB1200
-	strcat(argptr, " video=au1200fb:panel:bs");
-#endif
-#ifdef CONFIG_MIPS_DB1200
-	strcat(argptr, " video=au1200fb:panel:bs");
-#endif
-#endif
-
 	/*
 	 * The Pb1200 development board uses external MUX for PSC0 to
 	 * support SMB/SPI. bcsr->resets bit 12: 0=SMB 1=SPI
diff --git a/arch/mips/alchemy/devboards/pb1500/board_setup.c b/arch/mips/alchemy/devboards/pb1500/board_setup.c
index 47173f1..dcb36a6 100644
--- a/arch/mips/alchemy/devboards/pb1500/board_setup.c
+++ b/arch/mips/alchemy/devboards/pb1500/board_setup.c
@@ -29,6 +29,8 @@
 #include <asm/mach-au1x00/au1000.h>
 #include <asm/mach-pb1x00/pb1500.h>
 
+#include <prom.h>
+
 
 char irq_tab_alchemy[][5] __initdata = {
 	[12] = { -1, INTA, INTX, INTX, INTX },   /* IDSEL 12 - HPT370	*/
@@ -61,6 +63,22 @@
 {
 	u32 pin_func;
 	u32 sys_freqctrl, sys_clksrc;
+	char *argptr;
+
+	argptr = prom_getcmdline();
+#ifdef CONFIG_SERIAL_8250_CONSOLE
+	argptr = strstr(argptr, "console=");
+	if (argptr == NULL) {
+		argptr = prom_getcmdline();
+		strcat(argptr, " console=ttyS0,115200");
+	}
+#endif
+
+#if defined(CONFIG_SOUND_AU1X00) && !defined(CONFIG_SOC_AU1000)
+	/* au1000 does not support vra, au1500 and au1100 do */
+	strcat(argptr, " au1000_audio=vra");
+	argptr = prom_getcmdline();
+#endif
 
 	sys_clksrc = sys_freqctrl = pin_func = 0;
 	/* Set AUX clock to 12 MHz * 8 = 96 MHz */
diff --git a/arch/mips/alchemy/devboards/pb1550/board_setup.c b/arch/mips/alchemy/devboards/pb1550/board_setup.c
index 25a9190..f462652 100644
--- a/arch/mips/alchemy/devboards/pb1550/board_setup.c
+++ b/arch/mips/alchemy/devboards/pb1550/board_setup.c
@@ -32,6 +32,8 @@
 #include <asm/mach-au1x00/au1000.h>
 #include <asm/mach-pb1x00/pb1550.h>
 
+#include <prom.h>
+
 
 char irq_tab_alchemy[][5] __initdata = {
 	[12] = { -1, INTB, INTC, INTD, INTA }, /* IDSEL 12 - PCI slot 2 (left)  */
@@ -61,6 +63,16 @@
 {
 	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
+
 	/*
 	 * Enable PSC1 SYNC for AC'97.  Normaly done in audio driver,
 	 * but it is board specific code, so put it here.
diff --git a/arch/mips/alchemy/mtx-1/board_setup.c b/arch/mips/alchemy/mtx-1/board_setup.c
index 3f80791..8ed1ae1 100644
--- a/arch/mips/alchemy/mtx-1/board_setup.c
+++ b/arch/mips/alchemy/mtx-1/board_setup.c
@@ -32,6 +32,8 @@
 
 #include <asm/mach-au1x00/au1000.h>
 
+#include <prom.h>
+
 extern int (*board_pci_idsel)(unsigned int devsel, int assert);
 int mtx1_pci_idsel(unsigned int devsel, int assert);
 
@@ -43,6 +45,16 @@
 
 void __init board_setup(void)
 {
+#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
+
 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 	/* Enable USB power switch */
 	au_writel(au_readl(GPIO2_DIR) | 0x10, GPIO2_DIR);
diff --git a/arch/mips/alchemy/xxs1500/board_setup.c b/arch/mips/alchemy/xxs1500/board_setup.c
index 4c587ac..a2634fa 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 @@
 {
 	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;