FHWRES
OutReg(scc->ctrl,R9,FHWRES); /* force hardware reset */
OutReg(hwcfg.ctrl_a, R9, FHWRES);
OutReg(ctrl,R9,FHWRES); /* force hardware reset */
write_zsreg(channel, R9, FHWRES);
write_zsreg(channel, R9, FHWRES);
write_zsreg(zport, R9, FHWRES);