RT2573_PHY_CSR3
if (!(rum_read(sc, RT2573_PHY_CSR3) & RT2573_BBP_BUSY))
rum_write(sc, RT2573_PHY_CSR3, tmp);
rum_write(sc, RT2573_PHY_CSR3, val);
val = rum_read(sc, RT2573_PHY_CSR3);