MII_BNX2_AUX_CTL
bnx2_write_phy(bp, MII_BNX2_AUX_CTL, AUX_CTL_MISC_CTL);
bnx2_read_phy(bp, MII_BNX2_AUX_CTL, &val);
bnx2_write_phy(bp, MII_BNX2_AUX_CTL, val);