PESDRn_UTLSET1
mtdcri(SDR0, port->sdr_base + PESDRn_UTLSET1, 0x00000000);
mtdcri(SDR0, port->sdr_base + PESDRn_UTLSET1, 0x20222222);
mtdcri(SDR0, port->sdr_base + PESDRn_UTLSET1, utlset1);