--- a/arch/mips/lantiq/setup.c
+++ b/arch/mips/lantiq/setup.c
-@@ -13,7 +13,8 @@
+@@ -12,7 +12,8 @@
#include <linux/ioport.h>
#include <lantiq.h>
void __init
plat_mem_setup(void)
-@@ -46,3 +47,25 @@ plat_mem_setup(void)
+@@ -31,6 +32,7 @@
+ ioport_resource.end = IOPORT_RESOURCE_END;
+ iomem_resource.start = IOMEM_RESOURCE_START;
+ iomem_resource.end = IOMEM_RESOURCE_END;
++ set_io_port_base((unsigned long) KSEG1);
+
+ while (*envp)
+ {
+@@ -45,3 +47,25 @@
memsize *= 1024 * 1024;
add_memory_region(0x00000000, memsize, BOOT_MEM_RAM);
}