ALC_WOL_CFG
CSR_WRITE_4(sc, ALC_WOL_CFG, 0);
CSR_WRITE_4(sc, ALC_WOL_CFG, pmcs);
CSR_WRITE_4(sc, ALC_WOL_CFG, 0);
CSR_WRITE_4(sc, ALC_WOL_CFG, pmcs);
CSR_READ_4(sc, ALC_WOL_CFG);
CSR_WRITE_4(sc, ALC_WOL_CFG, 0);
CSR_WRITE_4(sc, ALC_WOL_CFG, 0);
CSR_READ_4(sc, ALC_WOL_CFG);