1. 根目录:
2. arch
3. powerpc
4. platforms
5. 40x
6. Makefile

obj-$(CONFIG_HCU4)				+= hcu4.o
obj-$(CONFIG_WALNUT)				+= walnut.o
obj-$(CONFIG_XILINX_VIRTEX_GENERIC_BOARD)	+= virtex.o
obj-$(CONFIG_EP405)				+= ep405.o
obj-$(CONFIG_PPC40x_SIMPLE)		+= ppc40x_simple.o