Lines Matching +full:mixed +full:- +full:burst
1 /*-
5 * Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237)
32 * Chapter 17, Altera Cyclone V Device Handbook (CV-5V2 2014.07.22)
34 * EMAC is an instance of the Synopsys DesignWare 3504-0
82 { -1, 0 }
100 mii = sc->mii_softc;
103 ifmr->ifm_active = mii->mii_media_active;
104 ifmr->ifm_status = mii->mii_media_status;
112 return (mii_mediachg(sc->mii_softc));
140 if (!sc->link_is_up)
143 ifp = sc->ifp;
164 if_t ifp = sc->ifp;
175 mii_mediachg(sc->mii_softc);
185 callout_reset(&sc->dwc_callout, hz, dwc_tick, sc);
205 ifp = sc->ifp;
207 sc->tx_watchdog_count = 0;
208 sc->stats_harvest_count = 0;
210 callout_stop(&sc->dwc_callout);
233 flags = if_getflags(ifp) ^ sc->if_flags;
237 if (!sc->is_detaching)
244 sc->if_flags = if_getflags(ifp);
257 mii = sc->mii_softc;
258 error = ifmedia_ioctl(ifp, ifr, &mii->mii_media, cmd);
261 mask = ifr->ifr_reqcap ^ if_getcapenable(ifp);
306 device_printf(sc->dev,
325 ifp = sc->ifp;
335 if (sc->tx_watchdog_count > 0) {
336 if (--sc->tx_watchdog_count == 0) {
345 link_was_up = sc->link_is_up;
346 mii_tick(sc->mii_softc);
347 if (sc->link_is_up && !link_was_up)
351 callout_reset(&sc->dwc_callout, hz, dwc_tick, sc);
367 * present in the ethernet-phy node.
369 if (OF_getencprop(sc->node, "snps,reset-gpio",
373 if (OF_getencprop(sc->node, "snps,reset-delays-us",
375 device_printf(sc->dev,
376 "Wrong property for snps,reset-delays-us");
382 device_printf(sc->dev,
387 if (GPIO_MAP_GPIOS(gpio, sc->node, gpio_node,
388 nitems(gpio_prop) - 1,
390 device_printf(sc->dev, "Can't map gpio for phy reset\n");
395 if (OF_hasprop(sc->node, "snps,reset-active-low"))
416 rv = clk_get_by_ofw_name(sc->dev, 0, "stmmaceth", &sc->clk_stmmaceth);
418 device_printf(sc->dev, "Cannot get GMAC main clock\n");
421 if ((rv = clk_enable(sc->clk_stmmaceth)) != 0) {
422 device_printf(sc->dev, "could not enable main clock\n");
427 rv = clk_get_by_ofw_name(sc->dev, 0, "pclk", &sc->clk_pclk);
430 if ((rv = clk_enable(sc->clk_pclk)) != 0) {
431 device_printf(sc->dev, "could not enable peripheral clock\n");
436 clk_get_freq(sc->clk_stmmaceth, &freq);
437 device_printf(sc->dev, "MAC clock(%s) freq: %jd\n",
438 clk_get_name(sc->clk_stmmaceth), (intmax_t)freq);
450 rv = hwreset_get_by_ofw_name(sc->dev, 0, "stmmaceth", &sc->rst_stmmaceth);
452 device_printf(sc->dev, "Cannot get GMAC reset\n");
455 rv = hwreset_deassert(sc->rst_stmmaceth);
457 device_printf(sc->dev, "could not de-assert GMAC reset\n");
462 rv = hwreset_get_by_ofw_name(sc->dev, 0, "ahb", &sc->rst_ahb);
465 rv = hwreset_deassert(sc->rst_ahb);
467 device_printf(sc->dev, "could not de-assert AHB reset\n");
502 sc->dev = dev;
503 sc->rx_idx = 0;
504 sc->tx_desccount = TX_DESC_COUNT;
505 sc->tx_mapcount = 0;
507 sc->node = ofw_bus_get_node(dev);
508 sc->phy_mode = mii_fdt_get_contype(sc->node);
509 switch (sc->phy_mode) {
522 if (OF_getencprop(sc->node, "snps,pbl", &pbl, sizeof(uint32_t)) <= 0)
524 if (OF_getencprop(sc->node, "snps,txpbl", &sc->txpbl, sizeof(uint32_t)) <= 0)
525 sc->txpbl = pbl;
526 if (OF_getencprop(sc->node, "snps,rxpbl", &sc->rxpbl, sizeof(uint32_t)) <= 0)
527 sc->rxpbl = pbl;
528 if (OF_hasprop(sc->node, "snps,no-pbl-x8") == 1)
529 sc->nopblx8 = true;
530 if (OF_hasprop(sc->node, "snps,fixed-burst") == 1)
531 sc->fixed_burst = true;
532 if (OF_hasprop(sc->node, "snps,mixed-burst") == 1)
533 sc->mixed_burst = true;
534 if (OF_hasprop(sc->node, "snps,aal") == 1)
535 sc->aal = true;
546 /* De-assert main reset */
553 if ((sc->mii_clk = IF_DWC_MII_CLK(dev)) < 0) {
554 device_printf(dev, "Cannot get mii clock value %d\n", -sc->mii_clk);
558 if (bus_alloc_resources(dev, dwc_spec, sc->res)) {
569 bus_release_resources(dev, dwc_spec, sc->res);
575 device_printf(sc->dev, "Can't reset DMA controller.\n");
576 bus_release_resources(sc->dev, dwc_spec, sc->res);
581 bus_release_resources(dev, dwc_spec, sc->res);
585 mtx_init(&sc->mtx, device_get_nameunit(sc->dev),
588 callout_init_mtx(&sc->dwc_callout, &sc->mtx, 0);
591 error = bus_setup_intr(dev, sc->res[1], INTR_TYPE_NET | INTR_MPSAFE,
592 NULL, dwc_intr, sc, &sc->intr_cookie);
595 bus_release_resources(dev, dwc_spec, sc->res);
600 sc->ifp = ifp = if_alloc(IFT_ETHER);
604 if_setflags(sc->ifp, IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST);
608 if_setsendqlen(ifp, TX_MAP_COUNT - 1);
609 if_setsendqready(sc->ifp);
610 if_sethwassist(sc->ifp, CSUM_IP | CSUM_UDP | CSUM_TCP);
611 if_setcapabilities(sc->ifp, IFCAP_VLAN_MTU | IFCAP_HWCSUM);
612 if_setcapenable(sc->ifp, if_getcapabilities(sc->ifp));
615 error = mii_attach(dev, &sc->miibus, ifp, dwc_media_change,
621 bus_teardown_intr(dev, sc->res[1], sc->intr_cookie);
622 bus_release_resources(dev, dwc_spec, sc->res);
625 sc->mii_softc = device_get_softc(sc->miibus);
629 sc->is_attached = true;
646 if (sc->intr_cookie != NULL) {
647 bus_teardown_intr(dev, sc->res[1], sc->intr_cookie);
650 if (sc->is_attached) {
652 sc->is_detaching = true;
655 callout_drain(&sc->dwc_callout);
656 ether_ifdetach(sc->ifp);
664 if (sc->ifp != NULL) {
665 if_free(sc->ifp);
666 sc->ifp = NULL;
669 bus_release_resources(dev, dwc_spec, sc->res);
671 mtx_destroy(&sc->mtx);