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/fdt/fdt_common.h> 46 #include <dev/ofw/ofw_bus.h> 47 #include <dev/ofw/ofw_bus_subr.h> 48 #include <dev/ofw/openfirm.h> 49 50 #include "miibus_if.h" 51 52 #include <contrib/ncsw/inc/Peripherals/fm_port_ext.h> 53 #include <contrib/ncsw/inc/xx_ext.h> 54 55 #include "if_dtsec.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, dpaa, 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,dpa-ethernet")) 100 return (ENXIO); 101 102 device_set_desc(dev, "Freescale Data Path Triple Speed Ethernet " 103 "Controller"); 104 105 return (BUS_PROBE_DEFAULT); 106 } 107 108 static int 109 dtsec_fdt_attach(device_t dev) 110 { 111 struct dtsec_softc *sc; 112 phandle_t node, enet_node, phy_node; 113 phandle_t fman_rxtx_node[2]; 114 char phy_type[6]; 115 116 sc = device_get_softc(dev); 117 node = ofw_bus_get_node(dev); 118 119 if (OF_getprop(node, "fsl,fman-mac", (void *)&enet_node, 120 sizeof(enet_node)) == -1) { 121 device_printf(dev, "Could not load fsl,fman-mac property " 122 "from DTS\n"); 123 return (ENXIO); 124 } 125 126 enet_node = OF_instance_to_package(enet_node); 127 128 if (OF_getprop(enet_node, "local-mac-address", 129 (void *)sc->sc_mac_addr, 6) == -1) { 130 if (device_get_unit(dev) != 0) { 131 device_printf(dev, 132 "Could not load local-mac-addr property " 133 "from DTS\n"); 134 return (ENXIO); 135 } 136 sc->sc_hidden = true; 137 } 138 139 /* Get link speed */ 140 if (fdt_is_compatible(enet_node, "fsl,fman-1g-mac") != 0) 141 sc->sc_eth_dev_type = ETH_DTSEC; 142 else if (fdt_is_compatible(enet_node, "fsl,fman-10g-mac") != 0) 143 sc->sc_eth_dev_type = ETH_10GSEC; 144 else 145 return(ENXIO); 146 147 /* Get MAC memory offset in SoC */ 148 if (OF_getprop(enet_node, "reg", (void *)&sc->sc_mac_mem_offset, 149 sizeof(sc->sc_mac_mem_offset)) <= 0) 150 return (ENXIO); 151 152 /* Get PHY address */ 153 if (OF_getprop(enet_node, "phy-handle", (void *)&phy_node, 154 sizeof(phy_node)) <= 0) 155 return (ENXIO); 156 157 phy_node = OF_instance_to_package(phy_node); 158 159 if (OF_getprop(phy_node, "reg", (void *)&sc->sc_phy_addr, 160 sizeof(sc->sc_phy_addr)) <= 0) 161 return (ENXIO); 162 163 /* Get PHY connection type */ 164 if (OF_getprop(enet_node, "phy-connection-type", (void *)phy_type, 165 sizeof(phy_type)) <= 0) 166 return (ENXIO); 167 168 if (!strcmp(phy_type, "sgmii")) 169 sc->sc_mac_enet_mode = e_ENET_MODE_SGMII_1000; 170 else if (!strcmp(phy_type, "rgmii")) 171 sc->sc_mac_enet_mode = e_ENET_MODE_RGMII_1000; 172 else if (!strcmp(phy_type, "xgmii")) 173 /* We set 10 Gigabit mode flag however we don't support it */ 174 sc->sc_mac_enet_mode = e_ENET_MODE_XGMII_10000; 175 else 176 return (ENXIO); 177 178 /* Get RX/TX port handles */ 179 if (OF_getprop(enet_node, "fsl,port-handles", (void *)fman_rxtx_node, 180 sizeof(fman_rxtx_node)) <= 0) 181 return (ENXIO); 182 183 if (fman_rxtx_node[0] == 0) 184 return (ENXIO); 185 186 if (fman_rxtx_node[1] == 0) 187 return (ENXIO); 188 189 fman_rxtx_node[0] = OF_instance_to_package(fman_rxtx_node[0]); 190 fman_rxtx_node[1] = OF_instance_to_package(fman_rxtx_node[1]); 191 192 if (fdt_is_compatible(fman_rxtx_node[0], "fsl,fman-port-1g-rx") == 0) 193 return (ENXIO); 194 195 if (fdt_is_compatible(fman_rxtx_node[1], "fsl,fman-port-1g-tx") == 0) 196 return (ENXIO); 197 198 /* Get RX port HW id */ 199 if (OF_getprop(fman_rxtx_node[0], "reg", (void *)&sc->sc_port_rx_hw_id, 200 sizeof(sc->sc_port_rx_hw_id)) <= 0) 201 return (ENXIO); 202 203 /* Get TX port HW id */ 204 if (OF_getprop(fman_rxtx_node[1], "reg", (void *)&sc->sc_port_tx_hw_id, 205 sizeof(sc->sc_port_tx_hw_id)) <= 0) 206 return (ENXIO); 207 208 /* Get QMan channel */ 209 if (OF_getprop(fman_rxtx_node[1], "fsl,qman-channel-id", 210 (void *)&sc->sc_port_tx_qman_chan, 211 sizeof(sc->sc_port_tx_qman_chan)) <= 0) 212 return (ENXIO); 213 214 return (dtsec_attach(dev)); 215 } 216