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_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 find_mdio(phandle_t phy_node, device_t mac, device_t *mdio_dev) 113 { 114 device_t bus; 115 116 while (phy_node > 0) { 117 if (ofw_bus_node_is_compatible(phy_node, "fsl,fman-mdio")) 118 break; 119 phy_node = OF_parent(phy_node); 120 } 121 122 if (phy_node <= 0) 123 return (ENOENT); 124 125 bus = device_get_parent(mac); 126 *mdio_dev = ofw_bus_find_child_device_by_phandle(bus, phy_node); 127 128 return (0); 129 } 130 131 static int 132 dtsec_fdt_attach(device_t dev) 133 { 134 struct dtsec_softc *sc; 135 phandle_t enet_node, phy_node; 136 phandle_t fman_rxtx_node[2]; 137 char phy_type[6]; 138 pcell_t fman_tx_cell, mac_id; 139 int rid; 140 141 sc = device_get_softc(dev); 142 enet_node = ofw_bus_get_node(dev); 143 144 if (OF_getprop(enet_node, "local-mac-address", 145 (void *)sc->sc_mac_addr, 6) == -1) { 146 device_printf(dev, 147 "Could not load local-mac-addr property from DTS\n"); 148 return (ENXIO); 149 } 150 151 /* Get link speed */ 152 if (ofw_bus_is_compatible(dev, "fsl,fman-dtsec") != 0) 153 sc->sc_eth_dev_type = ETH_DTSEC; 154 else if (ofw_bus_is_compatible(dev, "fsl,fman-xgec") != 0) 155 sc->sc_eth_dev_type = ETH_10GSEC; 156 else 157 return(ENXIO); 158 159 /* Get MAC memory offset in SoC */ 160 rid = 0; 161 sc->sc_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE); 162 if (sc->sc_mem == NULL) 163 return (ENXIO); 164 165 /* Get PHY address */ 166 if (OF_getprop(enet_node, "phy-handle", (void *)&phy_node, 167 sizeof(phy_node)) <= 0) 168 return (ENXIO); 169 170 phy_node = OF_instance_to_package(phy_node); 171 172 if (OF_getprop(phy_node, "reg", (void *)&sc->sc_phy_addr, 173 sizeof(sc->sc_phy_addr)) <= 0) 174 return (ENXIO); 175 176 if (find_mdio(phy_node, dev, &sc->sc_mdio) != 0) 177 return (ENXIO); 178 179 /* Get PHY connection type */ 180 if (OF_getprop(enet_node, "phy-connection-type", (void *)phy_type, 181 sizeof(phy_type)) <= 0) 182 return (ENXIO); 183 184 if (!strcmp(phy_type, "sgmii")) 185 sc->sc_mac_enet_mode = e_ENET_MODE_SGMII_1000; 186 else if (!strcmp(phy_type, "rgmii")) 187 sc->sc_mac_enet_mode = e_ENET_MODE_RGMII_1000; 188 else if (!strcmp(phy_type, "xgmii")) 189 /* We set 10 Gigabit mode flag however we don't support it */ 190 sc->sc_mac_enet_mode = e_ENET_MODE_XGMII_10000; 191 else 192 return (ENXIO); 193 194 if (OF_getencprop(enet_node, "cell-index", 195 (void *)&mac_id, sizeof(mac_id)) <= 0) 196 return (ENXIO); 197 sc->sc_eth_id = mac_id; 198 199 /* Get RX/TX port handles */ 200 if (OF_getprop(enet_node, "fsl,fman-ports", (void *)fman_rxtx_node, 201 sizeof(fman_rxtx_node)) <= 0) 202 return (ENXIO); 203 204 if (fman_rxtx_node[0] == 0) 205 return (ENXIO); 206 207 if (fman_rxtx_node[1] == 0) 208 return (ENXIO); 209 210 fman_rxtx_node[0] = OF_instance_to_package(fman_rxtx_node[0]); 211 fman_rxtx_node[1] = OF_instance_to_package(fman_rxtx_node[1]); 212 213 if (ofw_bus_node_is_compatible(fman_rxtx_node[0], 214 "fsl,fman-v2-port-rx") == 0) 215 return (ENXIO); 216 217 if (ofw_bus_node_is_compatible(fman_rxtx_node[1], 218 "fsl,fman-v2-port-tx") == 0) 219 return (ENXIO); 220 221 /* Get RX port HW id */ 222 if (OF_getprop(fman_rxtx_node[0], "reg", (void *)&sc->sc_port_rx_hw_id, 223 sizeof(sc->sc_port_rx_hw_id)) <= 0) 224 return (ENXIO); 225 226 /* Get TX port HW id */ 227 if (OF_getprop(fman_rxtx_node[1], "reg", (void *)&sc->sc_port_tx_hw_id, 228 sizeof(sc->sc_port_tx_hw_id)) <= 0) 229 return (ENXIO); 230 231 if (OF_getprop(fman_rxtx_node[1], "cell-index", &fman_tx_cell, 232 sizeof(fman_tx_cell)) <= 0) 233 return (ENXIO); 234 /* Get QMan channel */ 235 sc->sc_port_tx_qman_chan = fman_qman_channel_id(device_get_parent(dev), 236 fman_tx_cell); 237 238 return (dtsec_attach(dev)); 239 } 240