/* Bus-specific initialization */
hide void
mc_init(struct mc_softc *sc)
{
mc_reset_rxdma(sc);
mc_reset_txdma(sc);
}
void
mc_init(struct mc_softc *sc)
{
struct ifnet *ifp = &sc->sc_arpcom.ac_if;
u_int8_t maccc, ladrf[8];
int s, i;
s = splnet();
NIC_PUT(sc, MACE_BIUCC, sc->sc_biucc);
NIC_PUT(sc, MACE_FIFOCC, sc->sc_fifocc);
NIC_PUT(sc, MACE_IMR, ~0); /* disable all interrupts */
NIC_PUT(sc, MACE_PLSCC, sc->sc_plscc);
NIC_PUT(sc, MACE_UTR, RTRD); /* disable reserved test registers */
/* set MAC address */
NIC_PUT(sc, MACE_IAC, ADDRCHG);
while (NIC_GET(sc, MACE_IAC) & ADDRCHG)
;
NIC_PUT(sc, MACE_IAC, PHYADDR);
for (i = 0; i < ETHER_ADDR_LEN; i++)
out8rb(sc->sc_reg + MACE_REG(MACE_PADR) + i,
sc->sc_enaddr[i]);
/* set logical address filter */
mace_calcladrf(sc, ladrf);
NIC_PUT(sc, MACE_IAC, ADDRCHG);
while (NIC_GET(sc, MACE_IAC) & ADDRCHG)
;
NIC_PUT(sc, MACE_IAC, LOGADDR);
for (i = 0; i < 8; i++)
out8rb(sc->sc_reg + MACE_REG(MACE_LADRF) + i,
ladrf[i]);
NIC_PUT(sc, MACE_XMTFC, APADXMT);
/*
* No need to autostrip padding on receive... Ethernet frames
* don't have a length field, unlike 802.3 frames, so the MACE
* can't figure out the length of the packet anyways.
*/
NIC_PUT(sc, MACE_RCVFC, 0);
maccc = ENXMT | ENRCV;
if (ifp->if_flags & IFF_PROMISC)
maccc |= PROM;
NIC_PUT(sc, MACE_MACCC, maccc);
mc_reset_rxdma(sc);
mc_reset_txdma(sc);
/*
* Enable all interrupts except receive, since we use the DMA
* completion interrupt for that.
*/
NIC_PUT(sc, MACE_IMR, RCVINTM);
/* flag interface as "running" */
ifp->if_flags |= IFF_RUNNING;
ifp->if_flags &= ~IFF_OACTIVE;
splx(s);
}
