240 lines
6.5 KiB
C
240 lines
6.5 KiB
C
/*-
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* Copyright (c) 2012 Semihalf.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/bus.h>
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#include <sys/module.h>
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#include <sys/rman.h>
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#include <sys/socket.h>
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#include <machine/bus.h>
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#include <powerpc/mpc85xx/mpc85xx.h>
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#include <net/if.h>
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#include <net/if_media.h>
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#include <dev/mii/mii.h>
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#include <dev/mii/miivar.h>
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#include <dev/ofw/ofw_bus.h>
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#include <dev/ofw/ofw_bus_subr.h>
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#include <dev/ofw/openfirm.h>
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#include "miibus_if.h"
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#include <contrib/ncsw/inc/Peripherals/fm_port_ext.h>
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#include <contrib/ncsw/inc/xx_ext.h>
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#include "if_dtsec.h"
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#include "fman.h"
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static int dtsec_fdt_probe(device_t dev);
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static int dtsec_fdt_attach(device_t dev);
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static device_method_t dtsec_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, dtsec_fdt_probe),
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DEVMETHOD(device_attach, dtsec_fdt_attach),
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DEVMETHOD(device_detach, dtsec_detach),
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DEVMETHOD(device_shutdown, dtsec_shutdown),
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DEVMETHOD(device_suspend, dtsec_suspend),
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DEVMETHOD(device_resume, dtsec_resume),
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/* Bus interface */
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DEVMETHOD(bus_print_child, bus_generic_print_child),
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DEVMETHOD(bus_driver_added, bus_generic_driver_added),
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/* MII interface */
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DEVMETHOD(miibus_readreg, dtsec_miibus_readreg),
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DEVMETHOD(miibus_writereg, dtsec_miibus_writereg),
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DEVMETHOD(miibus_statchg, dtsec_miibus_statchg),
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{ 0, 0 }
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};
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static driver_t dtsec_driver = {
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"dtsec",
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dtsec_methods,
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sizeof(struct dtsec_softc),
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};
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DRIVER_MODULE(dtsec, fman, dtsec_driver, 0, 0);
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DRIVER_MODULE(miibus, dtsec, miibus_driver, 0, 0);
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MODULE_DEPEND(dtsec, ether, 1, 1, 1);
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MODULE_DEPEND(dtsec, miibus, 1, 1, 1);
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static int
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dtsec_fdt_probe(device_t dev)
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{
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if (!ofw_bus_is_compatible(dev, "fsl,fman-dtsec") &&
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!ofw_bus_is_compatible(dev, "fsl,fman-xgec"))
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return (ENXIO);
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device_set_desc(dev, "Freescale Data Path Triple Speed Ethernet "
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"Controller");
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return (BUS_PROBE_DEFAULT);
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}
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static int
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find_mdio(phandle_t phy_node, device_t mac, device_t *mdio_dev)
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{
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device_t bus;
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while (phy_node > 0) {
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if (ofw_bus_node_is_compatible(phy_node, "fsl,fman-mdio"))
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break;
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phy_node = OF_parent(phy_node);
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}
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if (phy_node <= 0)
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return (ENOENT);
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bus = device_get_parent(mac);
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*mdio_dev = ofw_bus_find_child_device_by_phandle(bus, phy_node);
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return (0);
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}
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static int
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dtsec_fdt_attach(device_t dev)
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{
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struct dtsec_softc *sc;
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phandle_t enet_node, phy_node;
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phandle_t fman_rxtx_node[2];
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char phy_type[6];
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pcell_t fman_tx_cell, mac_id;
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int rid;
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sc = device_get_softc(dev);
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enet_node = ofw_bus_get_node(dev);
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if (OF_getprop(enet_node, "local-mac-address",
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(void *)sc->sc_mac_addr, 6) == -1) {
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device_printf(dev,
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"Could not load local-mac-addr property from DTS\n");
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return (ENXIO);
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}
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/* Get link speed */
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if (ofw_bus_is_compatible(dev, "fsl,fman-dtsec") != 0)
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sc->sc_eth_dev_type = ETH_DTSEC;
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else if (ofw_bus_is_compatible(dev, "fsl,fman-xgec") != 0)
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sc->sc_eth_dev_type = ETH_10GSEC;
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else
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return(ENXIO);
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/* Get MAC memory offset in SoC */
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rid = 0;
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sc->sc_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE);
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if (sc->sc_mem == NULL)
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return (ENXIO);
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/* Get PHY address */
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if (OF_getprop(enet_node, "phy-handle", (void *)&phy_node,
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sizeof(phy_node)) <= 0)
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return (ENXIO);
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phy_node = OF_instance_to_package(phy_node);
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if (OF_getprop(phy_node, "reg", (void *)&sc->sc_phy_addr,
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sizeof(sc->sc_phy_addr)) <= 0)
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return (ENXIO);
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if (find_mdio(phy_node, dev, &sc->sc_mdio) != 0)
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return (ENXIO);
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/* Get PHY connection type */
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if (OF_getprop(enet_node, "phy-connection-type", (void *)phy_type,
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sizeof(phy_type)) <= 0)
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return (ENXIO);
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if (!strcmp(phy_type, "sgmii"))
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sc->sc_mac_enet_mode = e_ENET_MODE_SGMII_1000;
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else if (!strcmp(phy_type, "rgmii"))
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sc->sc_mac_enet_mode = e_ENET_MODE_RGMII_1000;
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else if (!strcmp(phy_type, "xgmii"))
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/* We set 10 Gigabit mode flag however we don't support it */
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sc->sc_mac_enet_mode = e_ENET_MODE_XGMII_10000;
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else
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return (ENXIO);
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if (OF_getencprop(enet_node, "cell-index",
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(void *)&mac_id, sizeof(mac_id)) <= 0)
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return (ENXIO);
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sc->sc_eth_id = mac_id;
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/* Get RX/TX port handles */
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if (OF_getprop(enet_node, "fsl,fman-ports", (void *)fman_rxtx_node,
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sizeof(fman_rxtx_node)) <= 0)
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return (ENXIO);
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if (fman_rxtx_node[0] == 0)
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return (ENXIO);
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if (fman_rxtx_node[1] == 0)
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return (ENXIO);
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fman_rxtx_node[0] = OF_instance_to_package(fman_rxtx_node[0]);
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fman_rxtx_node[1] = OF_instance_to_package(fman_rxtx_node[1]);
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if (ofw_bus_node_is_compatible(fman_rxtx_node[0],
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"fsl,fman-v2-port-rx") == 0)
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return (ENXIO);
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if (ofw_bus_node_is_compatible(fman_rxtx_node[1],
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"fsl,fman-v2-port-tx") == 0)
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return (ENXIO);
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/* Get RX port HW id */
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if (OF_getprop(fman_rxtx_node[0], "reg", (void *)&sc->sc_port_rx_hw_id,
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sizeof(sc->sc_port_rx_hw_id)) <= 0)
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return (ENXIO);
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/* Get TX port HW id */
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if (OF_getprop(fman_rxtx_node[1], "reg", (void *)&sc->sc_port_tx_hw_id,
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sizeof(sc->sc_port_tx_hw_id)) <= 0)
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return (ENXIO);
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if (OF_getprop(fman_rxtx_node[1], "cell-index", &fman_tx_cell,
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sizeof(fman_tx_cell)) <= 0)
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return (ENXIO);
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/* Get QMan channel */
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sc->sc_port_tx_qman_chan = fman_qman_channel_id(device_get_parent(dev),
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fman_tx_cell);
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return (dtsec_attach(dev));
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}
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