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/param.h> 28 #include <sys/systm.h> 29 #include <sys/kernel.h> 30 #include <sys/bus.h> 31 #include <sys/module.h> 32 #include <sys/rman.h> 33 #include <sys/socket.h> 34 35 #include <machine/bus.h> 36 37 #include <powerpc/mpc85xx/mpc85xx.h> 38 39 #include <net/if.h> 40 #include <net/if_media.h> 41 42 #include <dev/mii/mii.h> 43 #include <dev/mii/miivar.h> 44 45 #include <dev/ofw/ofw_bus.h> 46 #include <dev/ofw/ofw_bus_subr.h> 47 #include <dev/ofw/openfirm.h> 48 49 #include "miibus_if.h" 50 51 #include <contrib/ncsw/inc/Peripherals/fm_port_ext.h> 52 #include <contrib/ncsw/inc/xx_ext.h> 53 54 #include "if_dtsec.h" 55 #include "fman.h" 56 57 58 static int dtsec_fdt_probe(device_t dev); 59 static int dtsec_fdt_attach(device_t dev); 60 61 static device_method_t dtsec_methods[] = { 62 /* Device interface */ 63 DEVMETHOD(device_probe, dtsec_fdt_probe), 64 DEVMETHOD(device_attach, dtsec_fdt_attach), 65 DEVMETHOD(device_detach, dtsec_detach), 66 67 DEVMETHOD(device_shutdown, dtsec_shutdown), 68 DEVMETHOD(device_suspend, dtsec_suspend), 69 DEVMETHOD(device_resume, dtsec_resume), 70 71 /* Bus interface */ 72 DEVMETHOD(bus_print_child, bus_generic_print_child), 73 DEVMETHOD(bus_driver_added, bus_generic_driver_added), 74 75 /* MII interface */ 76 DEVMETHOD(miibus_readreg, dtsec_miibus_readreg), 77 DEVMETHOD(miibus_writereg, dtsec_miibus_writereg), 78 DEVMETHOD(miibus_statchg, dtsec_miibus_statchg), 79 80 { 0, 0 } 81 }; 82 83 static driver_t dtsec_driver = { 84 "dtsec", 85 dtsec_methods, 86 sizeof(struct dtsec_softc), 87 }; 88 89 DRIVER_MODULE(dtsec, fman, dtsec_driver, 0, 0); 90 DRIVER_MODULE(miibus, dtsec, miibus_driver, 0, 0); 91 MODULE_DEPEND(dtsec, ether, 1, 1, 1); 92 MODULE_DEPEND(dtsec, miibus, 1, 1, 1); 93 94 static int 95 dtsec_fdt_probe(device_t dev) 96 { 97 98 if (!ofw_bus_status_okay(dev)) 99 return (ENXIO); 100 101 if (!ofw_bus_is_compatible(dev, "fsl,fman-dtsec") && 102 !ofw_bus_is_compatible(dev, "fsl,fman-xgec")) 103 return (ENXIO); 104 105 device_set_desc(dev, "Freescale Data Path Triple Speed Ethernet " 106 "Controller"); 107 108 return (BUS_PROBE_DEFAULT); 109 } 110 111 static int 112 dtsec_fdt_attach(device_t dev) 113 { 114 struct dtsec_softc *sc; 115 device_t phy_dev; 116 phandle_t enet_node, phy_node; 117 phandle_t fman_rxtx_node[2]; 118 char phy_type[6]; 119 pcell_t fman_tx_cell, mac_id; 120 int rid; 121 122 sc = device_get_softc(dev); 123 enet_node = ofw_bus_get_node(dev); 124 125 if (OF_getprop(enet_node, "local-mac-address", 126 (void *)sc->sc_mac_addr, 6) == -1) { 127 device_printf(dev, 128 "Could not load local-mac-addr property from DTS\n"); 129 return (ENXIO); 130 } 131 132 /* Get link speed */ 133 if (ofw_bus_is_compatible(dev, "fsl,fman-dtsec") != 0) 134 sc->sc_eth_dev_type = ETH_DTSEC; 135 else if (ofw_bus_is_compatible(dev, "fsl,fman-xgec") != 0) 136 sc->sc_eth_dev_type = ETH_10GSEC; 137 else 138 return(ENXIO); 139 140 /* Get PHY address */ 141 if (OF_getprop(enet_node, "phy-handle", (void *)&phy_node, 142 sizeof(phy_node)) <= 0) 143 return (ENXIO); 144 145 phy_node = OF_node_from_xref(phy_node); 146 147 if (OF_getprop(phy_node, "reg", (void *)&sc->sc_phy_addr, 148 sizeof(sc->sc_phy_addr)) <= 0) 149 return (ENXIO); 150 151 phy_dev = OF_device_from_xref(OF_parent(phy_node)); 152 153 if (phy_dev == NULL) { 154 device_printf(dev, "No PHY found.\n"); 155 return (ENXIO); 156 } 157 158 sc->sc_mdio = phy_dev; 159 160 /* Get MAC memory offset in SoC */ 161 rid = 0; 162 sc->sc_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE); 163 if (sc->sc_mem == NULL) 164 return (ENXIO); 165 166 /* Get PHY connection type */ 167 if (OF_getprop(enet_node, "phy-connection-type", (void *)phy_type, 168 sizeof(phy_type)) <= 0) 169 return (ENXIO); 170 171 if (!strcmp(phy_type, "sgmii")) 172 sc->sc_mac_enet_mode = e_ENET_MODE_SGMII_1000; 173 else if (!strcmp(phy_type, "rgmii")) 174 sc->sc_mac_enet_mode = e_ENET_MODE_RGMII_1000; 175 else if (!strcmp(phy_type, "xgmii")) 176 /* We set 10 Gigabit mode flag however we don't support it */ 177 sc->sc_mac_enet_mode = e_ENET_MODE_XGMII_10000; 178 else 179 return (ENXIO); 180 181 if (OF_getencprop(enet_node, "cell-index", 182 (void *)&mac_id, sizeof(mac_id)) <= 0) 183 return (ENXIO); 184 sc->sc_eth_id = mac_id; 185 186 /* Get RX/TX port handles */ 187 if (OF_getprop(enet_node, "fsl,fman-ports", (void *)fman_rxtx_node, 188 sizeof(fman_rxtx_node)) <= 0) 189 return (ENXIO); 190 191 if (fman_rxtx_node[0] == 0) 192 return (ENXIO); 193 194 if (fman_rxtx_node[1] == 0) 195 return (ENXIO); 196 197 fman_rxtx_node[0] = OF_instance_to_package(fman_rxtx_node[0]); 198 fman_rxtx_node[1] = OF_instance_to_package(fman_rxtx_node[1]); 199 200 if (ofw_bus_node_is_compatible(fman_rxtx_node[0], 201 "fsl,fman-v2-port-rx") == 0) 202 return (ENXIO); 203 204 if (ofw_bus_node_is_compatible(fman_rxtx_node[1], 205 "fsl,fman-v2-port-tx") == 0) 206 return (ENXIO); 207 208 /* Get RX port HW id */ 209 if (OF_getprop(fman_rxtx_node[0], "reg", (void *)&sc->sc_port_rx_hw_id, 210 sizeof(sc->sc_port_rx_hw_id)) <= 0) 211 return (ENXIO); 212 213 /* Get TX port HW id */ 214 if (OF_getprop(fman_rxtx_node[1], "reg", (void *)&sc->sc_port_tx_hw_id, 215 sizeof(sc->sc_port_tx_hw_id)) <= 0) 216 return (ENXIO); 217 218 if (OF_getprop(fman_rxtx_node[1], "cell-index", &fman_tx_cell, 219 sizeof(fman_tx_cell)) <= 0) 220 return (ENXIO); 221 /* Get QMan channel */ 222 sc->sc_port_tx_qman_chan = fman_qman_channel_id(device_get_parent(dev), 223 fman_tx_cell); 224 225 return (dtsec_attach(dev)); 226 } 227