DBG_CTRL_POL
pol |= __SHIFTIN(DBG_CTRL_POL_NHSYNC, DBG_CTRL_POL);
pol |= __SHIFTIN(DBG_CTRL_POL_NVSYNC, DBG_CTRL_POL);
PHY_SET_CLEAR(sc, DBG_CTRL, pol, DBG_CTRL_POL);