1.build nand make p=sun50iw3p1 m=nand make boot0 2.build mmc make p=sun50iw3p1 m=mmc make boot0 3.build spinor make p=sun50iw3p1 m=spinor make boot0 3.build fes make p=sun50iw3p1 m=fes make fes 4.build sboot make p=sun50iw3p1 m=sboot make sboot 5.show degbug message make boot0|sboot|fes V=1