ALC_ADDR_HI
if (ALC_ADDR_HI(sc->alc_rdata.alc_rx_ring_paddr) !=
ALC_ADDR_HI(sc->alc_rdata.alc_rr_ring_paddr)) {
CSR_WRITE_4(sc, ALC_TX_BASE_ADDR_HI, ALC_ADDR_HI(paddr));
CSR_WRITE_4(sc, ALC_RX_BASE_ADDR_HI, ALC_ADDR_HI(paddr));
CSR_WRITE_4(sc, ALC_SMB_BASE_ADDR_HI, ALC_ADDR_HI(paddr));