P_MII_RX_FLOW_CTRL
masks[P_MII_RX_FLOW_CTRL];
val |= masks[P_MII_RX_FLOW_CTRL];
[P_MII_RX_FLOW_CTRL] = BIT(5),
[P_MII_RX_FLOW_CTRL] = BIT(3),
[P_MII_RX_FLOW_CTRL] = BIT(3),
masks[P_MII_RX_FLOW_CTRL],