ar9485_pmu_read
ar9485_pmu_read(sc, AR_PHY_PMU2) & ~AR_PHY_PMU2_PGM);
reg = ar9485_pmu_read(sc, AR_PHY_PMU2);
ar9485_pmu_read(sc, AR_PHY_PMU1) | AR_PHY_PMU1_PWD);
ar9485_pmu_read(sc, AR_PHY_PMU2) | AR_PHY_PMU2_PGM);