-include $(TOPDIR)/config.mk
-
-LIB = $(obj)lib$(CPU).o
-
-SSTART = start.o
-CSTART = traps.o
-
-SOBJS-y += cache.o
-SOBJS-$(CONFIG_MP) += release.o
-
-COBJS-y += cpu.o
-COBJS-y += cpu_init.o
-# 8610 & 8641 are identical w/regards to DDR
-COBJS-$(CONFIG_MPC8610) += ddr-8641.o
-COBJS-$(CONFIG_MPC8641) += ddr-8641.o
-COBJS-$(CONFIG_OF_LIBFDT) += fdt.o
-COBJS-y += interrupts.o
-COBJS-$(CONFIG_MP) += mp.o
-COBJS-$(CONFIG_MPC8610) += mpc8610_serdes.o
-COBJS-$(CONFIG_MPC8641) += mpc8641_serdes.o
-COBJS-y += speed.o
-
-SRCS := $(START:.o=.S) $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c)
-OBJS := $(addprefix $(obj),$(SOBJS-y) $(COBJS-y))
-START := $(addprefix $(obj),$(SSTART) $(CSTART))
-
-all: $(obj).depend $(START) $(LIB)
-
-$(LIB): $(OBJS)
- $(call cmd_link_o_target, $(OBJS))
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################
+extra-y = start.o
+extra-y += traps.o
+
+obj-y += cache.o
+obj-$(CONFIG_MP) += release.o
+
+obj-y += cpu.o
+obj-y += cpu_init.o
+obj-$(CONFIG_OF_LIBFDT) += fdt.o
+obj-y += interrupts.o
+obj-$(CONFIG_MP) += mp.o
+obj-$(CONFIG_ARCH_MPC8610) += mpc8610_serdes.o
+obj-$(CONFIG_ARCH_MPC8641) += mpc8641_serdes.o
+obj-y += speed.o