diff --git a/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/common.h b/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/common.h
index a04508758..240951bb1 100644
--- a/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/common.h
+++ b/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/common.h
@@ -13,4 +13,6 @@ void __init ramips_intc_irq_init(unsigned intc_base, unsigned irq,
 				 unsigned irq_base);
 u32 ramips_intc_get_status(void);
 
+void __init ramips_soc_setup(void);
+
 #endif /* __ASM_MACH_RALINK_COMMON_H */
diff --git a/target/linux/ramips/files/arch/mips/ralink/common/Makefile b/target/linux/ramips/files/arch/mips/ralink/common/Makefile
index 24f67ea6c..96f348a5a 100644
--- a/target/linux/ramips/files/arch/mips/ralink/common/Makefile
+++ b/target/linux/ramips/files/arch/mips/ralink/common/Makefile
@@ -7,6 +7,6 @@
 # under the terms of the GNU General Public License version 2 as published
 # by the Free Software Foundation.
 
-obj-y	:= intc.o gpio.o
+obj-y	:= setup.o intc.o gpio.o
 
 obj-$(CONFIG_RALINK_DEV_GPIO_LEDS)	+= dev-gpio-leds.o
diff --git a/target/linux/ramips/files/arch/mips/ralink/common/setup.c b/target/linux/ramips/files/arch/mips/ralink/common/setup.c
new file mode 100644
index 000000000..6440ccb01
--- /dev/null
+++ b/target/linux/ramips/files/arch/mips/ralink/common/setup.c
@@ -0,0 +1,24 @@
+/*
+ * Ralink SoC common setup
+ *
+ * Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
+ * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/io.h>
+
+#include <asm/addrspace.h>
+#include <asm/mach-ralink/common.h>
+
+void __init plat_mem_setup(void)
+{
+	set_io_port_base(KSEG1);
+
+	ramips_soc_setup();
+}
diff --git a/target/linux/ramips/files/arch/mips/ralink/rt288x/setup.c b/target/linux/ramips/files/arch/mips/ralink/rt288x/setup.c
index d0258524c..fe94126e5 100644
--- a/target/linux/ramips/files/arch/mips/ralink/rt288x/setup.c
+++ b/target/linux/ramips/files/arch/mips/ralink/rt288x/setup.c
@@ -21,6 +21,7 @@
 #include <asm/reboot.h>
 #include <asm/time.h>
 
+#include <asm/mach-ralink/common.h>
 #include <asm/mach-ralink/rt288x.h>
 #include <asm/mach-ralink/rt288x_regs.h>
 
@@ -100,10 +101,8 @@ unsigned int __cpuinit get_c0_compare_irq(void)
 	return CP0_LEGACY_COMPARE_IRQ;
 }
 
-void __init plat_mem_setup(void)
+void __init ramips_soc_setup(void)
 {
-	set_io_port_base(KSEG1);
-
 	rt288x_sysc_base = ioremap_nocache(RT2880_SYSC_BASE, RT2880_SYSC_SIZE);
 	rt288x_memc_base = ioremap_nocache(RT2880_MEMC_BASE, RT2880_MEMC_SIZE);
 
diff --git a/target/linux/ramips/files/arch/mips/ralink/rt305x/setup.c b/target/linux/ramips/files/arch/mips/ralink/rt305x/setup.c
index d574ef650..70eaae425 100644
--- a/target/linux/ramips/files/arch/mips/ralink/rt305x/setup.c
+++ b/target/linux/ramips/files/arch/mips/ralink/rt305x/setup.c
@@ -20,6 +20,7 @@
 #include <asm/reboot.h>
 #include <asm/time.h>
 
+#include <asm/mach-ralink/common.h>
 #include <asm/mach-ralink/rt305x.h>
 #include <asm/mach-ralink/rt305x_regs.h>
 
@@ -99,10 +100,8 @@ unsigned int __cpuinit get_c0_compare_irq(void)
 	return CP0_LEGACY_COMPARE_IRQ;
 }
 
-void __init plat_mem_setup(void)
+void __init ramips_soc_setup(void)
 {
-	set_io_port_base(KSEG1);
-
 	rt305x_sysc_base = ioremap_nocache(RT305X_SYSC_BASE, PAGE_SIZE);
 	rt305x_memc_base = ioremap_nocache(RT305X_MEMC_BASE, PAGE_SIZE);