DMFE_10MHF
case 0x1000: db->op_mode = DMFE_10MHF; break;
default: db->op_mode = DMFE_10MHF;
db->op_mode = DMFE_10MHF;
case DMFE_10MHF: phy_reg |= 0x20; break;
case DMFE_10MHF: phy_reg = 0x0; break;
case DMFE_10MHF: