/*
* Set up the initialization block and the descriptor rings.
*/
static void
am7990_meminit(struct lance_softc *sc)
{
struct ifnet *ifp = sc->sc_ifp;
struct leinit init;
struct lermd rmd;
struct letmd tmd;
u_long a;
int bix;
LE_LOCK_ASSERT(sc, MA_OWNED);
if (ifp->if_flags & IFF_PROMISC)
init.init_mode = LE_MODE_NORMAL | LE_MODE_PROM;
else
init.init_mode = LE_MODE_NORMAL;
init.init_padr[0] = (sc->sc_enaddr[1] << 8) | sc->sc_enaddr[0];
init.init_padr[1] = (sc->sc_enaddr[3] << 8) | sc->sc_enaddr[2];
init.init_padr[2] = (sc->sc_enaddr[5] << 8) | sc->sc_enaddr[4];
lance_setladrf(sc, init.init_ladrf);
sc->sc_last_rd = 0;
sc->sc_first_td = sc->sc_last_td = sc->sc_no_td = 0;
a = sc->sc_addr + LE_RMDADDR(sc, 0);
init.init_rdra = a;
init.init_rlen = (a >> 16) | ((ffs(sc->sc_nrbuf) - 1) << 13);
a = sc->sc_addr + LE_TMDADDR(sc, 0);
init.init_tdra = a;
init.init_tlen = (a >> 16) | ((ffs(sc->sc_ntbuf) - 1) << 13);
(*sc->sc_copytodesc)(sc, &init, LE_INITADDR(sc), sizeof(init));
/*
* Set up receive ring descriptors.
*/
for (bix = 0; bix < sc->sc_nrbuf; bix++) {
a = sc->sc_addr + LE_RBUFADDR(sc, bix);
rmd.rmd0 = a;
rmd.rmd1_hadr = a >> 16;
rmd.rmd1_bits = LE_R1_OWN;
rmd.rmd2 = -LEBLEN | LE_XMD2_ONES;
rmd.rmd3 = 0;
(*sc->sc_copytodesc)(sc, &rmd, LE_RMDADDR(sc, bix),
sizeof(rmd));
}
/*
* Set up transmit ring descriptors.
*/
for (bix = 0; bix < sc->sc_ntbuf; bix++) {
a = sc->sc_addr + LE_TBUFADDR(sc, bix);
tmd.tmd0 = a;
tmd.tmd1_hadr = a >> 16;
tmd.tmd1_bits = 0;
tmd.tmd2 = LE_XMD2_ONES;
tmd.tmd3 = 0;
(*sc->sc_copytodesc)(sc, &tmd, LE_TMDADDR(sc, bix),
sizeof(tmd));
}
}
/*
* Set up the initialization block and the descriptor rings.
*/
static void
am79900_meminit(struct lance_softc *sc)
{
struct ifnet *ifp = sc->sc_ifp;
struct leinit init;
struct lermd rmd;
struct letmd tmd;
u_long a;
int bix;
LE_LOCK_ASSERT(sc, MA_OWNED);
if (ifp->if_flags & IFF_PROMISC)
init.init_mode = LE_HTOLE32(LE_MODE_NORMAL | LE_MODE_PROM);
else
init.init_mode = LE_HTOLE32(LE_MODE_NORMAL);
init.init_mode |= LE_HTOLE32(((ffs(sc->sc_ntbuf) - 1) << 28) |
((ffs(sc->sc_nrbuf) - 1) << 20));
init.init_padr[0] = LE_HTOLE32(sc->sc_enaddr[0] |
(sc->sc_enaddr[1] << 8) | (sc->sc_enaddr[2] << 16) |
(sc->sc_enaddr[3] << 24));
init.init_padr[1] = LE_HTOLE32(sc->sc_enaddr[4] |
(sc->sc_enaddr[5] << 8));
lance_setladrf(sc, init.init_ladrf);
sc->sc_last_rd = 0;
sc->sc_first_td = sc->sc_last_td = sc->sc_no_td = 0;
a = sc->sc_addr + LE_RMDADDR(sc, 0);
init.init_rdra = LE_HTOLE32(a);
a = sc->sc_addr + LE_TMDADDR(sc, 0);
init.init_tdra = LE_HTOLE32(a);
(*sc->sc_copytodesc)(sc, &init, LE_INITADDR(sc), sizeof(init));
/*
* Set up receive ring descriptors.
*/
for (bix = 0; bix < sc->sc_nrbuf; bix++) {
a = sc->sc_addr + LE_RBUFADDR(sc, bix);
rmd.rmd0 = LE_HTOLE32(a);
rmd.rmd1 = LE_HTOLE32(LE_R1_OWN | LE_R1_ONES |
(-LEBLEN & 0xfff));
rmd.rmd2 = 0;
rmd.rmd3 = 0;
(*sc->sc_copytodesc)(sc, &rmd, LE_RMDADDR(sc, bix),
sizeof(rmd));
}
/*
* Set up transmit ring descriptors.
*/
for (bix = 0; bix < sc->sc_ntbuf; bix++) {
a = sc->sc_addr + LE_TBUFADDR(sc, bix);
tmd.tmd0 = LE_HTOLE32(a);
tmd.tmd1 = LE_HTOLE32(LE_T1_ONES);
tmd.tmd2 = 0;
tmd.tmd3 = 0;
(*sc->sc_copytodesc)(sc, &tmd, LE_TMDADDR(sc, bix),
sizeof(tmd));
}
}
