EMAC_MR1_FDE
int duplex = r & EMAC_MR1_FDE ? DUPLEX_FULL : DUPLEX_HALF;
| EMAC_MR1_FDE | EMAC_MR1_ILE);
mr1 = EMAC_MR1_FDE | EMAC_MR1_ILE;
mr1 |= EMAC_MR1_FDE | EMAC_MR1_MWSW_001;