/*- * Copyright (c) 2012 Semihalf. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "miibus_if.h" #include #include #include "if_dtsec.h" #include "fman.h" static int dtsec_fdt_probe(device_t dev); static int dtsec_fdt_attach(device_t dev); static device_method_t dtsec_methods[] = { /* Device interface */ DEVMETHOD(device_probe, dtsec_fdt_probe), DEVMETHOD(device_attach, dtsec_fdt_attach), DEVMETHOD(device_detach, dtsec_detach), DEVMETHOD(device_shutdown, dtsec_shutdown), DEVMETHOD(device_suspend, dtsec_suspend), DEVMETHOD(device_resume, dtsec_resume), /* Bus interface */ DEVMETHOD(bus_print_child, bus_generic_print_child), DEVMETHOD(bus_driver_added, bus_generic_driver_added), /* MII interface */ DEVMETHOD(miibus_readreg, dtsec_miibus_readreg), DEVMETHOD(miibus_writereg, dtsec_miibus_writereg), DEVMETHOD(miibus_statchg, dtsec_miibus_statchg), { 0, 0 } }; static driver_t dtsec_driver = { "dtsec", dtsec_methods, sizeof(struct dtsec_softc), }; static devclass_t dtsec_devclass; DRIVER_MODULE(dtsec, fman, dtsec_driver, dtsec_devclass, 0, 0); DRIVER_MODULE(miibus, dtsec, miibus_driver, miibus_devclass, 0, 0); MODULE_DEPEND(dtsec, ether, 1, 1, 1); MODULE_DEPEND(dtsec, miibus, 1, 1, 1); static int dtsec_fdt_probe(device_t dev) { if (!ofw_bus_is_compatible(dev, "fsl,fman-dtsec") && !ofw_bus_is_compatible(dev, "fsl,fman-xgec")) return (ENXIO); device_set_desc(dev, "Freescale Data Path Triple Speed Ethernet " "Controller"); return (BUS_PROBE_DEFAULT); } static int find_mdio(phandle_t phy_node, device_t mac, device_t *mdio_dev) { device_t bus; while (phy_node > 0) { if (ofw_bus_node_is_compatible(phy_node, "fsl,fman-mdio")) break; phy_node = OF_parent(phy_node); } if (phy_node <= 0) return (ENOENT); bus = device_get_parent(mac); *mdio_dev = ofw_bus_find_child_device_by_phandle(bus, phy_node); return (0); } static int dtsec_fdt_attach(device_t dev) { struct dtsec_softc *sc; phandle_t enet_node, phy_node; phandle_t fman_rxtx_node[2]; char phy_type[6]; pcell_t fman_tx_cell, mac_id; int rid; sc = device_get_softc(dev); enet_node = ofw_bus_get_node(dev); if (OF_getprop(enet_node, "local-mac-address", (void *)sc->sc_mac_addr, 6) == -1) { device_printf(dev, "Could not load local-mac-addr property from DTS\n"); return (ENXIO); } /* Get link speed */ if (ofw_bus_is_compatible(dev, "fsl,fman-dtsec") != 0) sc->sc_eth_dev_type = ETH_DTSEC; else if (ofw_bus_is_compatible(dev, "fsl,fman-xgec") != 0) sc->sc_eth_dev_type = ETH_10GSEC; else return(ENXIO); /* Get MAC memory offset in SoC */ rid = 0; sc->sc_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE); if (sc->sc_mem == NULL) return (ENXIO); /* Get PHY address */ if (OF_getprop(enet_node, "phy-handle", (void *)&phy_node, sizeof(phy_node)) <= 0) return (ENXIO); phy_node = OF_instance_to_package(phy_node); if (OF_getprop(phy_node, "reg", (void *)&sc->sc_phy_addr, sizeof(sc->sc_phy_addr)) <= 0) return (ENXIO); if (find_mdio(phy_node, dev, &sc->sc_mdio) != 0) return (ENXIO); /* Get PHY connection type */ if (OF_getprop(enet_node, "phy-connection-type", (void *)phy_type, sizeof(phy_type)) <= 0) return (ENXIO); if (!strcmp(phy_type, "sgmii")) sc->sc_mac_enet_mode = e_ENET_MODE_SGMII_1000; else if (!strcmp(phy_type, "rgmii")) sc->sc_mac_enet_mode = e_ENET_MODE_RGMII_1000; else if (!strcmp(phy_type, "xgmii")) /* We set 10 Gigabit mode flag however we don't support it */ sc->sc_mac_enet_mode = e_ENET_MODE_XGMII_10000; else return (ENXIO); if (OF_getencprop(enet_node, "cell-index", (void *)&mac_id, sizeof(mac_id)) <= 0) return (ENXIO); sc->sc_eth_id = mac_id; /* Get RX/TX port handles */ if (OF_getprop(enet_node, "fsl,fman-ports", (void *)fman_rxtx_node, sizeof(fman_rxtx_node)) <= 0) return (ENXIO); if (fman_rxtx_node[0] == 0) return (ENXIO); if (fman_rxtx_node[1] == 0) return (ENXIO); fman_rxtx_node[0] = OF_instance_to_package(fman_rxtx_node[0]); fman_rxtx_node[1] = OF_instance_to_package(fman_rxtx_node[1]); if (ofw_bus_node_is_compatible(fman_rxtx_node[0], "fsl,fman-v2-port-rx") == 0) return (ENXIO); if (ofw_bus_node_is_compatible(fman_rxtx_node[1], "fsl,fman-v2-port-tx") == 0) return (ENXIO); /* Get RX port HW id */ if (OF_getprop(fman_rxtx_node[0], "reg", (void *)&sc->sc_port_rx_hw_id, sizeof(sc->sc_port_rx_hw_id)) <= 0) return (ENXIO); /* Get TX port HW id */ if (OF_getprop(fman_rxtx_node[1], "reg", (void *)&sc->sc_port_tx_hw_id, sizeof(sc->sc_port_tx_hw_id)) <= 0) return (ENXIO); if (OF_getprop(fman_rxtx_node[1], "cell-index", &fman_tx_cell, sizeof(fman_tx_cell)) <= 0) return (ENXIO); /* Get QMan channel */ sc->sc_port_tx_qman_chan = fman_qman_channel_id(device_get_parent(dev), fman_tx_cell); return (dtsec_attach(dev)); }