MIICFG
if (CSR_READ_4(sc, MIICFG) & MIICFG_PHY_PRESENT) {
CSR_WRITE_4(sc, MIICFG, sc->miicfg);
CSR_WRITE_4(sc, MIICFG, sc->miicfg);
CSR_WRITE_4(sc, MIICFG, sc->miicfg);
CSR_WRITE_4(sc, MIICFG, sc->miicfg);