diff --git a/arch/arm/cpu/pxa/Makefile b/arch/arm/cpu/pxa/Makefile
index e8b59a3..29dc637 100644
--- a/arch/arm/cpu/pxa/Makefile
+++ b/arch/arm/cpu/pxa/Makefile
@@ -27,7 +27,10 @@
 
 START	= start.o
 
-COBJS	+= cpu.o
+COBJS-$(CONFIG_CPU_PXA25X)	= pxa2xx.o
+COBJS-$(CONFIG_CPU_PXA27X)	= pxa2xx.o
+
+COBJS	= $(COBJS-y)
 COBJS	+= pxafb.o
 COBJS	+= timer.o
 COBJS	+= usb.o