TSEC_PHY_WRITE
TSEC_PHY_WRITE(sc, TSEC_REG_MIIMADD, (phy << 8) | reg);
TSEC_PHY_WRITE(sc, TSEC_REG_MIIMCOM, 0);
TSEC_PHY_WRITE(sc, TSEC_REG_MIIMCOM, TSEC_MIIMCOM_READCYCLE);
TSEC_PHY_WRITE(sc, TSEC_REG_MIIMADD, (phy << 8) | reg);
TSEC_PHY_WRITE(sc, TSEC_REG_MIIMCON, value);
TSEC_PHY_WRITE(sc, TSEC_REG_MIIMCFG, TSEC_MIIMCFG_RESETMGMT);
TSEC_PHY_WRITE(sc, TSEC_REG_MIIMCFG, TSEC_MIIMCFG_CLKDIV28);