void bmac_attach(struct device *parent, struct device *self, void *aux) { struct confargs *ca = aux; struct bmac_softc *sc = (void *)self; struct ifnet *ifp = &sc->arpcom.ac_if; struct mii_data *mii = &sc->sc_mii; u_char laddr[6]; int nseg, error; timeout_set(&sc->sc_tick_ch, bmac_mii_tick, sc); sc->sc_flags =0; if (strcmp(ca->ca_name, "ethernet") == 0) { sc->sc_flags |= BMAC_BMACPLUS; } ca->ca_reg[0] += ca->ca_baseaddr; ca->ca_reg[2] += ca->ca_baseaddr; ca->ca_reg[4] += ca->ca_baseaddr; sc->sc_regs = (vaddr_t)mapiodev(ca->ca_reg[0], NBPG); bmac_write_reg(sc, INTDISABLE, NoEventsMask); if (OF_getprop(ca->ca_node, "local-mac-address", laddr, 6) == -1 && OF_getprop(ca->ca_node, "mac-address", laddr, 6) == -1) { printf(": cannot get mac-address\n"); return; } bcopy(laddr, sc->arpcom.ac_enaddr, 6); sc->sc_dmat = ca->ca_dmat; sc->sc_txdma = mapiodev(ca->ca_reg[2], 0x100); sc->sc_rxdma = mapiodev(ca->ca_reg[4], 0x100); sc->sc_txdbdma = dbdma_alloc(sc->sc_dmat, BMAC_TXBUFS); sc->sc_txcmd = sc->sc_txdbdma->d_addr; sc->sc_rxdbdma = dbdma_alloc(sc->sc_dmat, BMAC_RXBUFS + 1); sc->sc_rxcmd = sc->sc_rxdbdma->d_addr; error = bus_dmamem_alloc(sc->sc_dmat, BMAC_BUFSZ, PAGE_SIZE, 0, sc->sc_bufseg, 1, &nseg, BUS_DMA_NOWAIT); if (error) { printf(": cannot allocate buffers (%d)\n", error); return; } error = bus_dmamem_map(sc->sc_dmat, sc->sc_bufseg, nseg, BMAC_BUFSZ, &sc->sc_txbuf, BUS_DMA_NOWAIT); if (error) { printf(": cannot map buffers (%d)\n", error); bus_dmamem_free(sc->sc_dmat, sc->sc_bufseg, 1); return; } error = bus_dmamap_create(sc->sc_dmat, BMAC_BUFSZ, 1, BMAC_BUFSZ, 0, BUS_DMA_NOWAIT | BUS_DMA_ALLOCNOW, &sc->sc_bufmap); if (error) { printf(": cannot create buffer dmamap (%d)\n", error); bus_dmamem_unmap(sc->sc_dmat, sc->sc_txbuf, BMAC_BUFSZ); bus_dmamem_free(sc->sc_dmat, sc->sc_bufseg, 1); return; } error = bus_dmamap_load(sc->sc_dmat, sc->sc_bufmap, sc->sc_txbuf, BMAC_BUFSZ, NULL, BUS_DMA_NOWAIT); if (error) { printf(": cannot load buffers dmamap (%d)\n", error); bus_dmamap_destroy(sc->sc_dmat, sc->sc_bufmap); bus_dmamem_unmap(sc->sc_dmat, sc->sc_txbuf, BMAC_BUFSZ); bus_dmamem_free(sc->sc_dmat, sc->sc_bufseg, nseg); return; } sc->sc_txbuf_pa = sc->sc_bufmap->dm_segs->ds_addr; sc->sc_rxbuf = sc->sc_txbuf + BMAC_BUFLEN * BMAC_TXBUFS; sc->sc_rxbuf_pa = sc->sc_txbuf_pa + BMAC_BUFLEN * BMAC_TXBUFS; printf(" irq %d,%d: address %s\n", ca->ca_intr[0], ca->ca_intr[2], ether_sprintf(laddr)); mac_intr_establish(parent, ca->ca_intr[0], IST_LEVEL, IPL_NET, bmac_intr, sc, sc->sc_dev.dv_xname); mac_intr_establish(parent, ca->ca_intr[2], IST_LEVEL, IPL_NET, bmac_rint, sc, sc->sc_dev.dv_xname); bcopy(sc->sc_dev.dv_xname, ifp->if_xname, IFNAMSIZ); ifp->if_softc = sc; ifp->if_ioctl = bmac_ioctl; ifp->if_start = bmac_start; ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_NOTRAILERS | IFF_MULTICAST; ifp->if_watchdog = bmac_watchdog; IFQ_SET_READY(&ifp->if_snd); mii->mii_ifp = ifp; mii->mii_readreg = bmac_mii_readreg; mii->mii_writereg = bmac_mii_writereg; mii->mii_statchg = bmac_mii_statchg; ifmedia_init(&mii->mii_media, 0, bmac_mediachange, bmac_mediastatus); mii_attach(&sc->sc_dev, mii, 0xffffffff, MII_PHY_ANY, MII_OFFSET_ANY, 0); /* Choose a default media. */ if (LIST_FIRST(&mii->mii_phys) == NULL) { ifmedia_add(&mii->mii_media, IFM_ETHER|IFM_10_T, 0, NULL); ifmedia_set(&mii->mii_media, IFM_ETHER|IFM_10_T); } else ifmedia_set(&mii->mii_media, IFM_ETHER|IFM_AUTO); bmac_reset_chip(sc); if_attach(ifp); ether_ifattach(ifp); }
void bmac_init(struct bmac_softc *sc) { struct ifnet *ifp = &sc->arpcom.ac_if; struct ether_header *eh; caddr_t data; int tb; int i, bmcr; u_short *p; bmac_reset_chip(sc); /* XXX */ bmcr = bmac_mii_readreg((struct device *)sc, 0, MII_BMCR); bmcr &= ~BMCR_ISO; bmac_mii_writereg((struct device *)sc, 0, MII_BMCR, bmcr); bmac_write_reg(sc, RXRST, RxResetValue); bmac_write_reg(sc, TXRST, TxResetBit); /* Wait for reset completion. */ for (i = 1000; i > 0; i -= 10) { if ((bmac_read_reg(sc, TXRST) & TxResetBit) == 0) break; delay(10); } if (i <= 0) printf("%s: reset timeout\n", ifp->if_xname); if (! (sc->sc_flags & BMAC_BMACPLUS)) bmac_set_bits(sc, XCVRIF, ClkBit|SerialMode|COLActiveLow); tb = ppc_mftbl(); bmac_write_reg(sc, RSEED, tb); bmac_set_bits(sc, XIFC, TxOutputEnable); bmac_read_reg(sc, PAREG); /* Reset various counters. */ bmac_write_reg(sc, NCCNT, 0); bmac_write_reg(sc, NTCNT, 0); bmac_write_reg(sc, EXCNT, 0); bmac_write_reg(sc, LTCNT, 0); bmac_write_reg(sc, FRCNT, 0); bmac_write_reg(sc, LECNT, 0); bmac_write_reg(sc, AECNT, 0); bmac_write_reg(sc, FECNT, 0); bmac_write_reg(sc, RXCV, 0); /* Set tx fifo information. */ bmac_write_reg(sc, TXTH, 4); /* 4 octets before tx starts */ bmac_write_reg(sc, TXFIFOCSR, 0); bmac_write_reg(sc, TXFIFOCSR, TxFIFOEnable); /* Set rx fifo information. */ bmac_write_reg(sc, RXFIFOCSR, 0); bmac_write_reg(sc, RXFIFOCSR, RxFIFOEnable); /* Clear status register. */ bmac_read_reg(sc, STATUS); bmac_write_reg(sc, HASH3, 0); bmac_write_reg(sc, HASH2, 0); bmac_write_reg(sc, HASH1, 0); bmac_write_reg(sc, HASH0, 0); /* Set MAC address. */ p = (u_short *)sc->arpcom.ac_enaddr; bmac_write_reg(sc, MADD0, *p++); bmac_write_reg(sc, MADD1, *p++); bmac_write_reg(sc, MADD2, *p); bmac_write_reg(sc, RXCFG, RxCRCEnable | RxHashFilterEnable | RxRejectOwnPackets); if (ifp->if_flags & IFF_PROMISC) bmac_set_bits(sc, RXCFG, RxPromiscEnable); bmac_init_dma(sc); /* Configure Media. */ mii_mediachg(&sc->sc_mii); /* Enable TX/RX */ bmac_set_bits(sc, RXCFG, RxMACEnable); bmac_set_bits(sc, TXCFG, TxMACEnable); bmac_write_reg(sc, INTDISABLE, NormalIntEvents); ifp->if_flags |= IFF_RUNNING; ifp->if_flags &= ~IFF_OACTIVE; ifp->if_timer = 0; data = sc->sc_txbuf; eh = (struct ether_header *)data; bzero(data, sizeof(*eh) + ETHERMIN); bcopy(sc->arpcom.ac_enaddr, eh->ether_dhost, ETHER_ADDR_LEN); bcopy(sc->arpcom.ac_enaddr, eh->ether_shost, ETHER_ADDR_LEN); bmac_transmit_packet(sc, sc->sc_txbuf_pa, sizeof(*eh) + ETHERMIN); bmac_start(ifp); timeout_add_sec(&sc->sc_tick_ch, 1); }
void bmac_attach(struct device *parent, struct device *self, void *aux) { struct confargs *ca = aux; struct bmac_softc *sc = (void *)self; struct ifnet *ifp = &sc->sc_if; struct mii_data *mii = &sc->sc_mii; u_char laddr[6]; callout_init(&sc->sc_tick_ch, 0); sc->sc_flags =0; if (strcmp(ca->ca_name, "ethernet") == 0) { char name[64]; memset(name, 0, 64); OF_package_to_path(ca->ca_node, name, sizeof(name)); OF_open(name); sc->sc_flags |= BMAC_BMACPLUS; } ca->ca_reg[0] += ca->ca_baseaddr; ca->ca_reg[2] += ca->ca_baseaddr; ca->ca_reg[4] += ca->ca_baseaddr; sc->sc_iot = ca->ca_tag; if (bus_space_map(sc->sc_iot, ca->ca_reg[0], ca->ca_reg[1], 0, &sc->sc_ioh) != 0) { aprint_error(": couldn't map %#x", ca->ca_reg[0]); return; } bmac_write_reg(sc, INTDISABLE, NoEventsMask); if (OF_getprop(ca->ca_node, "local-mac-address", laddr, 6) == -1 && OF_getprop(ca->ca_node, "mac-address", laddr, 6) == -1) { printf(": cannot get mac-address\n"); return; } memcpy(sc->sc_enaddr, laddr, 6); sc->sc_txdma = mapiodev(ca->ca_reg[2], PAGE_SIZE); sc->sc_rxdma = mapiodev(ca->ca_reg[4], PAGE_SIZE); sc->sc_txcmd = dbdma_alloc(BMAC_TXBUFS * sizeof(dbdma_command_t)); sc->sc_rxcmd = dbdma_alloc((BMAC_RXBUFS + 1) * sizeof(dbdma_command_t)); sc->sc_txbuf = malloc(BMAC_BUFLEN * BMAC_TXBUFS, M_DEVBUF, M_NOWAIT); sc->sc_rxbuf = malloc(BMAC_BUFLEN * BMAC_RXBUFS, M_DEVBUF, M_NOWAIT); if (sc->sc_txbuf == NULL || sc->sc_rxbuf == NULL || sc->sc_txcmd == NULL || sc->sc_rxcmd == NULL) { printf("cannot allocate memory\n"); return; } printf(" irq %d,%d: address %s\n", ca->ca_intr[0], ca->ca_intr[2], ether_sprintf(laddr)); intr_establish(ca->ca_intr[0], IST_EDGE, IPL_NET, bmac_intr, sc); intr_establish(ca->ca_intr[2], IST_EDGE, IPL_NET, bmac_rint, sc); memcpy(ifp->if_xname, sc->sc_dev.dv_xname, IFNAMSIZ); ifp->if_softc = sc; ifp->if_ioctl = bmac_ioctl; ifp->if_start = bmac_start; ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_NOTRAILERS | IFF_MULTICAST; ifp->if_watchdog = bmac_watchdog; IFQ_SET_READY(&ifp->if_snd); mii->mii_ifp = ifp; mii->mii_readreg = bmac_mii_readreg; mii->mii_writereg = bmac_mii_writereg; mii->mii_statchg = bmac_mii_statchg; sc->sc_ethercom.ec_mii = mii; ifmedia_init(&mii->mii_media, 0, ether_mediachange, ether_mediastatus); mii_attach(&sc->sc_dev, mii, 0xffffffff, MII_PHY_ANY, MII_OFFSET_ANY, 0); /* Choose a default media. */ if (LIST_FIRST(&mii->mii_phys) == NULL) { ifmedia_add(&mii->mii_media, IFM_ETHER|IFM_10_T, 0, NULL); ifmedia_set(&mii->mii_media, IFM_ETHER|IFM_10_T); } else ifmedia_set(&mii->mii_media, IFM_ETHER|IFM_AUTO); bmac_reset_chip(sc); if_attach(ifp); ether_ifattach(ifp, sc->sc_enaddr); }