CPC0_SYS0_FWDVB 345 arch/powerpc/boot/4xx.c m = CPC0_SYS0_FWDVB(sys0) * opdv * epdv; CPC0_SYS0_FWDVB 350 arch/powerpc/boot/4xx.c plb = sys_clk * m / CPC0_SYS0_FWDVB(sys0);