int smc_attach(device_t dev) { int type, error; uint16_t val; u_char eaddr[ETHER_ADDR_LEN]; struct smc_softc *sc; struct ifnet *ifp; sc = device_get_softc(dev); error = 0; sc->smc_dev = dev; ifp = sc->smc_ifp = if_alloc(IFT_ETHER); if (ifp == NULL) { error = ENOSPC; goto done; } mtx_init(&sc->smc_mtx, device_get_nameunit(dev), NULL, MTX_DEF); /* Set up watchdog callout. */ callout_init_mtx(&sc->smc_watchdog, &sc->smc_mtx, 0); type = SYS_RES_IOPORT; if (sc->smc_usemem) type = SYS_RES_MEMORY; sc->smc_reg_rid = 0; sc->smc_reg = bus_alloc_resource(dev, type, &sc->smc_reg_rid, 0, ~0, 16, RF_ACTIVE); if (sc->smc_reg == NULL) { error = ENXIO; goto done; } sc->smc_irq = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->smc_irq_rid, 0, ~0, 1, RF_ACTIVE | RF_SHAREABLE); if (sc->smc_irq == NULL) { error = ENXIO; goto done; } SMC_LOCK(sc); smc_reset(sc); SMC_UNLOCK(sc); smc_select_bank(sc, 3); val = smc_read_2(sc, REV); sc->smc_chip = (val & REV_CHIP_MASK) >> REV_CHIP_SHIFT; sc->smc_rev = (val * REV_REV_MASK) >> REV_REV_SHIFT; if (bootverbose) device_printf(dev, "revision %x\n", sc->smc_rev); callout_init_mtx(&sc->smc_mii_tick_ch, &sc->smc_mtx, CALLOUT_RETURNUNLOCKED); if (sc->smc_chip >= REV_CHIP_91110FD) { (void)mii_attach(dev, &sc->smc_miibus, ifp, smc_mii_ifmedia_upd, smc_mii_ifmedia_sts, BMSR_DEFCAPMASK, MII_PHY_ANY, MII_OFFSET_ANY, 0); if (sc->smc_miibus != NULL) { sc->smc_mii_tick = smc_mii_tick; sc->smc_mii_mediachg = smc_mii_mediachg; sc->smc_mii_mediaioctl = smc_mii_mediaioctl; } } smc_select_bank(sc, 1); eaddr[0] = smc_read_1(sc, IAR0); eaddr[1] = smc_read_1(sc, IAR1); eaddr[2] = smc_read_1(sc, IAR2); eaddr[3] = smc_read_1(sc, IAR3); eaddr[4] = smc_read_1(sc, IAR4); eaddr[5] = smc_read_1(sc, IAR5); if_initname(ifp, device_get_name(dev), device_get_unit(dev)); ifp->if_softc = sc; ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; ifp->if_init = smc_init; ifp->if_ioctl = smc_ioctl; ifp->if_start = smc_start; IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen); IFQ_SET_READY(&ifp->if_snd); ifp->if_capabilities = ifp->if_capenable = 0; #ifdef DEVICE_POLLING ifp->if_capabilities |= IFCAP_POLLING; #endif ether_ifattach(ifp, eaddr); /* Set up taskqueue */ TASK_INIT(&sc->smc_intr, SMC_INTR_PRIORITY, smc_task_intr, ifp); TASK_INIT(&sc->smc_rx, SMC_RX_PRIORITY, smc_task_rx, ifp); TASK_INIT(&sc->smc_tx, SMC_TX_PRIORITY, smc_task_tx, ifp); sc->smc_tq = taskqueue_create_fast("smc_taskq", M_NOWAIT, taskqueue_thread_enqueue, &sc->smc_tq); taskqueue_start_threads(&sc->smc_tq, 1, PI_NET, "%s taskq", device_get_nameunit(sc->smc_dev)); /* Mask all interrupts. */ sc->smc_mask = 0; smc_write_1(sc, MSK, 0); /* Wire up interrupt */ error = bus_setup_intr(dev, sc->smc_irq, INTR_TYPE_NET|INTR_MPSAFE, smc_intr, NULL, sc, &sc->smc_ih); if (error != 0) goto done; done: if (error != 0) smc_detach(dev); return (error); }
static MACHINE_RESET( juicebox ) { devtag_reset( machine, "maincpu"); smc_reset( machine); }
static void smc_init( running_machine &machine) { verboselog( machine, 5, "smc_init\n"); smc_reset( machine); }
void juicebox_state::machine_reset() { machine().device("maincpu")->reset(); smc_reset( machine()); }