GTCR_MAN_MS
gig |= GTCR_MAN_MS | GTCR_ADV_MS;
ktcr |= GTCR_MAN_MS | GTCR_ADV_MS;
gig | GTCR_MAN_MS | GTCR_ADV_MS);
PHY_WRITE(sc, MII_GTCR, gig | GTCR_MAN_MS);
if (gtcr & GTCR_MAN_MS) {
gtcr &= ~GTCR_MAN_MS;
gtcr |= GTCR_MAN_MS;
gig |= GTCR_MAN_MS | GTCR_MAN_ADV;
gtcr |= GTCR_MAN_MS | GTCR_ADV_MS;
gig | GTCR_MAN_MS | GTCR_ADV_MS);
PHY_WRITE(sc, MII_100T2CR, gig | GTCR_MAN_MS);