if_dtsec_fdt.c

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    1 /*-
    2  * Copyright (c) 2012 Semihalf.
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer.
   10  * 2. Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in the
   12  *    documentation and/or other materials provided with the distribution.
   13  *
   14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   24  * SUCH DAMAGE.
   25  */
   26 
   27 #include <sys/cdefs.h>
   28 __FBSDID("$FreeBSD$");
   29 
   30 #include <sys/param.h>
   31 #include <sys/systm.h>
   32 #include <sys/kernel.h>
   33 #include <sys/bus.h>
   34 #include <sys/module.h>
   35 #include <sys/rman.h>
   36 #include <sys/socket.h>
   37 
   38 #include <machine/bus.h>
   39 
   40 #include <powerpc/mpc85xx/mpc85xx.h>
   41 
   42 #include <net/if.h>
   43 #include <net/if_media.h>
   44 
   45 #include <dev/mii/mii.h>
   46 #include <dev/mii/miivar.h>
   47 
   48 #include <dev/ofw/ofw_bus.h>
   49 #include <dev/ofw/ofw_bus_subr.h>
   50 #include <dev/ofw/openfirm.h>
   51 
   52 #include "miibus_if.h"
   53 
   54 #include <contrib/ncsw/inc/Peripherals/fm_port_ext.h>
   55 #include <contrib/ncsw/inc/xx_ext.h>
   56 
   57 #include "if_dtsec.h"
   58 #include "fman.h"
   59 
   60 
   61 static int      dtsec_fdt_probe(device_t dev);
   62 static int      dtsec_fdt_attach(device_t dev);
   63 
   64 static device_method_t dtsec_methods[] = {
   65         /* Device interface */
   66         DEVMETHOD(device_probe,         dtsec_fdt_probe),
   67         DEVMETHOD(device_attach,        dtsec_fdt_attach),
   68         DEVMETHOD(device_detach,        dtsec_detach),
   69 
   70         DEVMETHOD(device_shutdown,      dtsec_shutdown),
   71         DEVMETHOD(device_suspend,       dtsec_suspend),
   72         DEVMETHOD(device_resume,        dtsec_resume),
   73 
   74         /* Bus interface */
   75         DEVMETHOD(bus_print_child,      bus_generic_print_child),
   76         DEVMETHOD(bus_driver_added,     bus_generic_driver_added),
   77 
   78         /* MII interface */
   79         DEVMETHOD(miibus_readreg,       dtsec_miibus_readreg),
   80         DEVMETHOD(miibus_writereg,      dtsec_miibus_writereg),
   81         DEVMETHOD(miibus_statchg,       dtsec_miibus_statchg),
   82 
   83         { 0, 0 }
   84 };
   85 
   86 static driver_t dtsec_driver = {
   87         "dtsec",
   88         dtsec_methods,
   89         sizeof(struct dtsec_softc),
   90 };
   91 
   92 DRIVER_MODULE(dtsec, fman, dtsec_driver, 0, 0);
   93 DRIVER_MODULE(miibus, dtsec, miibus_driver, 0, 0);
   94 MODULE_DEPEND(dtsec, ether, 1, 1, 1);
   95 MODULE_DEPEND(dtsec, miibus, 1, 1, 1);
   96 
   97 static int
   98 dtsec_fdt_probe(device_t dev)
   99 {
  100 
  101         if (!ofw_bus_status_okay(dev))
  102                 return (ENXIO);
  103 
  104         if (!ofw_bus_is_compatible(dev, "fsl,fman-dtsec") &&
  105             !ofw_bus_is_compatible(dev, "fsl,fman-xgec"))
  106                 return (ENXIO);
  107 
  108         device_set_desc(dev, "Freescale Data Path Triple Speed Ethernet "
  109             "Controller");
  110 
  111         return (BUS_PROBE_DEFAULT);
  112 }
  113 
  114 static int
  115 dtsec_fdt_attach(device_t dev)
  116 {
  117         struct dtsec_softc *sc;
  118         device_t phy_dev;
  119         phandle_t enet_node, phy_node;
  120         phandle_t fman_rxtx_node[2];
  121         char phy_type[6];
  122         pcell_t fman_tx_cell, mac_id;
  123         int rid;
  124 
  125         sc = device_get_softc(dev);
  126         enet_node = ofw_bus_get_node(dev);
  127 
  128         if (OF_getprop(enet_node, "local-mac-address",
  129             (void *)sc->sc_mac_addr, 6) == -1) {
  130                 device_printf(dev,
  131                     "Could not load local-mac-addr property from DTS\n");
  132                 return (ENXIO);
  133         }
  134 
  135         /* Get link speed */
  136         if (ofw_bus_is_compatible(dev, "fsl,fman-dtsec") != 0)
  137                 sc->sc_eth_dev_type = ETH_DTSEC;
  138         else if (ofw_bus_is_compatible(dev, "fsl,fman-xgec") != 0)
  139                 sc->sc_eth_dev_type = ETH_10GSEC;
  140         else
  141                 return(ENXIO);
  142 
  143         /* Get PHY address */
  144         if (OF_getprop(enet_node, "phy-handle", (void *)&phy_node,
  145             sizeof(phy_node)) <= 0)
  146                 return (ENXIO);
  147 
  148         phy_node = OF_node_from_xref(phy_node);
  149 
  150         if (OF_getprop(phy_node, "reg", (void *)&sc->sc_phy_addr,
  151             sizeof(sc->sc_phy_addr)) <= 0)
  152                 return (ENXIO);
  153 
  154         phy_dev = OF_device_from_xref(OF_parent(phy_node));
  155 
  156         if (phy_dev == NULL) {
  157                 device_printf(dev, "No PHY found.\n");
  158                 return (ENXIO);
  159         }
  160 
  161         sc->sc_mdio = phy_dev;
  162 
  163         /* Get MAC memory offset in SoC */
  164         rid = 0;
  165         sc->sc_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE);
  166         if (sc->sc_mem == NULL)
  167                 return (ENXIO);
  168 
  169         /* Get PHY connection type */
  170         if (OF_getprop(enet_node, "phy-connection-type", (void *)phy_type,
  171             sizeof(phy_type)) <= 0)
  172                 return (ENXIO);
  173 
  174         if (!strcmp(phy_type, "sgmii"))
  175                 sc->sc_mac_enet_mode = e_ENET_MODE_SGMII_1000;
  176         else if (!strcmp(phy_type, "rgmii"))
  177                 sc->sc_mac_enet_mode = e_ENET_MODE_RGMII_1000;
  178         else if (!strcmp(phy_type, "xgmii"))
  179                 /* We set 10 Gigabit mode flag however we don't support it */
  180                 sc->sc_mac_enet_mode = e_ENET_MODE_XGMII_10000;
  181         else
  182                 return (ENXIO);
  183 
  184         if (OF_getencprop(enet_node, "cell-index",
  185             (void *)&mac_id, sizeof(mac_id)) <= 0)
  186                 return (ENXIO);
  187         sc->sc_eth_id = mac_id;
  188 
  189         /* Get RX/TX port handles */
  190         if (OF_getprop(enet_node, "fsl,fman-ports", (void *)fman_rxtx_node,
  191             sizeof(fman_rxtx_node)) <= 0)
  192                 return (ENXIO);
  193 
  194         if (fman_rxtx_node[0] == 0)
  195                 return (ENXIO);
  196 
  197         if (fman_rxtx_node[1] == 0)
  198                 return (ENXIO);
  199 
  200         fman_rxtx_node[0] = OF_instance_to_package(fman_rxtx_node[0]);
  201         fman_rxtx_node[1] = OF_instance_to_package(fman_rxtx_node[1]);
  202 
  203         if (ofw_bus_node_is_compatible(fman_rxtx_node[0],
  204             "fsl,fman-v2-port-rx") == 0)
  205                 return (ENXIO);
  206 
  207         if (ofw_bus_node_is_compatible(fman_rxtx_node[1],
  208             "fsl,fman-v2-port-tx") == 0)
  209                 return (ENXIO);
  210 
  211         /* Get RX port HW id */
  212         if (OF_getprop(fman_rxtx_node[0], "reg", (void *)&sc->sc_port_rx_hw_id,
  213             sizeof(sc->sc_port_rx_hw_id)) <= 0)
  214                 return (ENXIO);
  215 
  216         /* Get TX port HW id */
  217         if (OF_getprop(fman_rxtx_node[1], "reg", (void *)&sc->sc_port_tx_hw_id,
  218             sizeof(sc->sc_port_tx_hw_id)) <= 0)
  219                 return (ENXIO);
  220 
  221         if (OF_getprop(fman_rxtx_node[1], "cell-index", &fman_tx_cell,
  222             sizeof(fman_tx_cell)) <= 0)
  223                 return (ENXIO);
  224         /* Get QMan channel */
  225         sc->sc_port_tx_qman_chan = fman_qman_channel_id(device_get_parent(dev),
  226             fman_tx_cell);
  227 
  228         return (dtsec_attach(dev));
  229 }

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FreeBSD/Linux Kernel Cross Reference sys/dev/dpaa/if_dtsec_fdt.c

FreeBSD/Linux Kernel Cross Reference
sys/dev/dpaa/if_dtsec_fdt.c