ETH_RBQP
EMAC_WRITE(ETH_RBQP, 0); // clear receive
EMAC_WRITE(ETH_RBQP, 0); // clear receive
EMAC_WRITE(ETH_RBQP, (uint32_t)addr);
CEMAC_WRITE(ETH_RBQP, 0); // clear receive
CEMAC_WRITE(ETH_RBQP, 0); // clear receive
CEMAC_WRITE(ETH_RBQP, (uint32_t)sc->rbqpage_dsaddr);