busdf              33 arch/powerpc/boot/pq2.c 	int corecnf, busdf, plldf, pllmf, dfbrg;
busdf              46 arch/powerpc/boot/pq2.c 	busdf = (scmr >> 20) & 0xf;
busdf              51 arch/powerpc/boot/pq2.c 	busclk = mainclk / (busdf + 1);