HRW_IOBUS_ENABLE 541 arch/powerpc/platforms/powermac/feature.c MACIO_BIC(HEATHROW_FCR, HRW_IOBUS_ENABLE); HRW_IOBUS_ENABLE 568 arch/powerpc/platforms/powermac/feature.c MACIO_OUT32(0x38, save_fcr[0] | HRW_IOBUS_ENABLE);