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 } 230