bfe_writephy
static int bfe_writephy (struct bfe_softc *, u_int32_t, u_int32_t);
bfe_writephy(sc, 26, val & 0x7fff);
bfe_writephy(sc, 27, val | (1 << 6));
bfe_writephy(sc, reg, val);
bfe_writephy(sc, 0, BMCR_RESET);