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/socket.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 static devclass_t dtsec_devclass; 90 DRIVER_MODULE(dtsec, fman, dtsec_driver, dtsec_devclass, 0, 0); 91 DRIVER_MODULE(miibus, dtsec, miibus_driver, miibus_devclass, 0, 0); 92 MODULE_DEPEND(dtsec, ether, 1, 1, 1); 93 MODULE_DEPEND(dtsec, miibus, 1, 1, 1); 94 95 static int 96 dtsec_fdt_probe(device_t dev) 97 { 98 99 if (!ofw_bus_is_compatible(dev, "fsl,fman-dtsec") && 100 !ofw_bus_is_compatible(dev, "fsl,fman-xgec")) 101 return (ENXIO); 102 103 device_set_desc(dev, "Freescale Data Path Triple Speed Ethernet " 104 "Controller"); 105 106 return (BUS_PROBE_DEFAULT); 107 } 108 109 static int 110 find_mdio(phandle_t phy_node, device_t mac, device_t *mdio_dev) 111 { 112 device_t bus; 113 114 while (phy_node > 0) { 115 if (ofw_bus_node_is_compatible(phy_node, "fsl,fman-mdio")) 116 break; 117 phy_node = OF_parent(phy_node); 118 } 119 120 if (phy_node <= 0) 121 return (ENOENT); 122 123 bus = device_get_parent(mac); 124 *mdio_dev = ofw_bus_find_child_device_by_phandle(bus, phy_node); 125 126 return (0); 127 } 128 129 static int 130 dtsec_fdt_attach(device_t dev) 131 { 132 struct dtsec_softc *sc; 133 phandle_t enet_node, phy_node; 134 phandle_t fman_rxtx_node[2]; 135 char phy_type[6]; 136 pcell_t fman_tx_cell; 137 138 sc = device_get_softc(dev); 139 enet_node = ofw_bus_get_node(dev); 140 141 if (OF_getprop(enet_node, "local-mac-address", 142 (void *)sc->sc_mac_addr, 6) == -1) { 143 device_printf(dev, 144 "Could not load local-mac-addr property from DTS\n"); 145 return (ENXIO); 146 } 147 148 /* Get link speed */ 149 if (ofw_bus_is_compatible(dev, "fsl,fman-dtsec") != 0) 150 sc->sc_eth_dev_type = ETH_DTSEC; 151 else if (ofw_bus_is_compatible(dev, "fsl,fman-xgec") != 0) 152 sc->sc_eth_dev_type = ETH_10GSEC; 153 else 154 return(ENXIO); 155 156 /* Get MAC memory offset in SoC */ 157 if (OF_getprop(enet_node, "reg", (void *)&sc->sc_mac_mem_offset, 158 sizeof(sc->sc_mac_mem_offset)) <= 0) 159 return (ENXIO); 160 161 /* Get PHY address */ 162 if (OF_getprop(enet_node, "phy-handle", (void *)&phy_node, 163 sizeof(phy_node)) <= 0) 164 return (ENXIO); 165 166 phy_node = OF_instance_to_package(phy_node); 167 168 if (OF_getprop(phy_node, "reg", (void *)&sc->sc_phy_addr, 169 sizeof(sc->sc_phy_addr)) <= 0) 170 return (ENXIO); 171 172 if (find_mdio(phy_node, dev, &sc->sc_mdio) != 0) 173 return (ENXIO); 174 175 /* Get PHY connection type */ 176 if (OF_getprop(enet_node, "phy-connection-type", (void *)phy_type, 177 sizeof(phy_type)) <= 0) 178 return (ENXIO); 179 180 if (!strcmp(phy_type, "sgmii")) 181 sc->sc_mac_enet_mode = e_ENET_MODE_SGMII_1000; 182 else if (!strcmp(phy_type, "rgmii")) 183 sc->sc_mac_enet_mode = e_ENET_MODE_RGMII_1000; 184 else if (!strcmp(phy_type, "xgmii")) 185 /* We set 10 Gigabit mode flag however we don't support it */ 186 sc->sc_mac_enet_mode = e_ENET_MODE_XGMII_10000; 187 else 188 return (ENXIO); 189 190 /* Get RX/TX port handles */ 191 if (OF_getprop(enet_node, "fsl,fman-ports", (void *)fman_rxtx_node, 192 sizeof(fman_rxtx_node)) <= 0) 193 return (ENXIO); 194 195 if (fman_rxtx_node[0] == 0) 196 return (ENXIO); 197 198 if (fman_rxtx_node[1] == 0) 199 return (ENXIO); 200 201 fman_rxtx_node[0] = OF_instance_to_package(fman_rxtx_node[0]); 202 fman_rxtx_node[1] = OF_instance_to_package(fman_rxtx_node[1]); 203 204 if (ofw_bus_node_is_compatible(fman_rxtx_node[0], 205 "fsl,fman-v2-port-rx") == 0) 206 return (ENXIO); 207 208 if (ofw_bus_node_is_compatible(fman_rxtx_node[1], 209 "fsl,fman-v2-port-tx") == 0) 210 return (ENXIO); 211 212 /* Get RX port HW id */ 213 if (OF_getprop(fman_rxtx_node[0], "reg", (void *)&sc->sc_port_rx_hw_id, 214 sizeof(sc->sc_port_rx_hw_id)) <= 0) 215 return (ENXIO); 216 217 /* Get TX port HW id */ 218 if (OF_getprop(fman_rxtx_node[1], "reg", (void *)&sc->sc_port_tx_hw_id, 219 sizeof(sc->sc_port_tx_hw_id)) <= 0) 220 return (ENXIO); 221 222 if (OF_getprop(fman_rxtx_node[1], "cell-index", &fman_tx_cell, 223 sizeof(fman_tx_cell)) <= 0) 224 return (ENXIO); 225 /* Get QMan channel */ 226 sc->sc_port_tx_qman_chan = fman_qman_channel_id(device_get_parent(dev), 227 fman_tx_cell); 228 229 return (dtsec_attach(dev)); 230 } 231