ANA_VCAP_S2_CFG
val = lan_rd(lan966x, ANA_VCAP_S2_CFG(port->chip_port));
val = lan_rd(lan966x, ANA_VCAP_S2_CFG(port->chip_port));
lan_wr(0, lan966x, ANA_VCAP_S2_CFG(p));
ANA_VCAP_S2_CFG(lan966x->ports[p]->chip_port));