diff -Naurp linux-2.6.13.orig/arch/mips/kernel/setup.c linux-2.6.13/arch/mips/kernel/setup.c
--- linux-2.6.13.orig/arch/mips/kernel/setup.c	2005-08-29 22:40:06.000000000 -0400
+++ linux-2.6.13/arch/mips/kernel/setup.c	2005-08-29 22:43:21.000000000 -0400
@@ -43,6 +43,13 @@
 #include <asm/setup.h>
 #include <asm/system.h>
 
+/* Hack -- Like we care, this will only be here till initramfs
+ * gets figured out and ramdisk code dropped
+ */
+#if defined(CONFIG_SGI_IP22) || defined(CONFIG_SGI_IP27) || defined(CONFIG_SGI_IP32) || defined(CONFIG_MIPS_COBALT)
+#define kernel_physaddr CPHYSADDR
+#endif
+
 struct cpuinfo_mips cpu_data[NR_CPUS] __read_mostly;
 
 EXPORT_SYMBOL(cpu_data);