BWN_PHY_VERSION_OFDM
BWN_PHY_READ(mac, BWN_PHY_VERSION_OFDM);
ofdmrev = BWN_PHY_READ(mac, BWN_PHY_VERSION_OFDM) & BWN_PHYVER_VERSION;
tmp = BWN_PHY_READ(mac, BWN_PHY_VERSION_OFDM);