Index: linux/arch/mips/au1000/db1x00/init.c
===================================================================
--- linux.orig/arch/mips/au1000/db1x00/init.c
+++ linux/arch/mips/au1000/db1x00/init.c
@@ -61,7 +61,11 @@ void __init prom_init(void)
 	prom_envp = (char **) fw_arg2;
 
 	mips_machgroup = MACH_GROUP_ALCHEMY;
-	mips_machtype = MACH_DB1000;	/* set the platform # */
+#ifdef CONFIG_MIPS_DB1550
+	mips_machtype = MACH_DB1550;
+#else
+ 	mips_machtype = MACH_DB1000;	/* set the platform # */
+#endif
 
 	prom_init_cmdline();