--- linux-2.6.24.3/arch/powerpc/boot/Makefile.org	2008-02-26 22:48:00.709872603 +0100
+++ linux-2.6.24.3/arch/powerpc/boot/Makefile	2008-02-26 22:48:17.509876780 +0100
@@ -35,8 +35,8 @@
 
 BOOTCFLAGS	+= -I$(obj) -I$(srctree)/$(obj)
 
-$(obj)/4xx.o: BOOTCFLAGS += -mcpu=440
-$(obj)/ebony.o: BOOTCFLAGS += -mcpu=440
+$(obj)/4xx.o: BOOTCFLAGS += -mcpu=405
+$(obj)/ebony.o: BOOTCFLAGS += -mcpu=405
 $(obj)/treeboot-walnut.o: BOOTCFLAGS += -mcpu=405
 
 zlib       := inffast.c inflate.c inftrees.c