AR_PHY_TIMING4
reg = AR_READ(sc, AR_PHY_TIMING4);
AR_WRITE(sc, AR_PHY_TIMING4, reg);
AR_SETBITS(sc, AR_PHY_TIMING4, AR_PHY_TIMING4_DO_CAL);
if (!(AR_READ(sc, AR_PHY_TIMING4) & AR_PHY_TIMING4_DO_CAL)) {
AR_CLRBITS(sc, AR_PHY_TIMING4, AR_PHY_TIMING4_ENABLE_SPUR_FILTER);
AR_CLRBITS(sc, AR_PHY_TIMING4, AR_PHY_TIMING4_ENABLE_SPUR_RSSI);
AR_SETBITS(sc, AR_PHY_TIMING4, AR_PHY_TIMING4_ENABLE_SPUR_FILTER);
AR_SETBITS(sc, AR_PHY_TIMING4, AR_PHY_TIMING4_ENABLE_SPUR_RSSI);
AR_SETBITS(sc, AR_PHY_TIMING4,