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 #include "fman.h" 57 58 59 static int dtsec_fdt_probe(device_t dev); 60 static int dtsec_fdt_attach(device_t dev); 61 62 static device_method_t dtsec_methods[] = { 63 /* Device interface */ 64 DEVMETHOD(device_probe, dtsec_fdt_probe), 65 DEVMETHOD(device_attach, dtsec_fdt_attach), 66 DEVMETHOD(device_detach, dtsec_detach), 67 68 DEVMETHOD(device_shutdown, dtsec_shutdown), 69 DEVMETHOD(device_suspend, dtsec_suspend), 70 DEVMETHOD(device_resume, dtsec_resume), 71 72 /* Bus interface */ 73 DEVMETHOD(bus_print_child, bus_generic_print_child), 74 DEVMETHOD(bus_driver_added, bus_generic_driver_added), 75 76 /* MII interface */ 77 DEVMETHOD(miibus_readreg, dtsec_miibus_readreg), 78 DEVMETHOD(miibus_writereg, dtsec_miibus_writereg), 79 DEVMETHOD(miibus_statchg, dtsec_miibus_statchg), 80 81 { 0, 0 } 82 }; 83 84 static driver_t dtsec_driver = { 85 "dtsec", 86 dtsec_methods, 87 sizeof(struct dtsec_softc), 88 }; 89 90 static devclass_t dtsec_devclass; 91 DRIVER_MODULE(dtsec, dpaa, dtsec_driver, dtsec_devclass, 0, 0); 92 DRIVER_MODULE(miibus, dtsec, miibus_driver, miibus_devclass, 0, 0); 93 MODULE_DEPEND(dtsec, ether, 1, 1, 1); 94 MODULE_DEPEND(dtsec, miibus, 1, 1, 1); 95 96 static int 97 dtsec_fdt_probe(device_t dev) 98 { 99 100 if (!ofw_bus_is_compatible(dev, "fsl,dpa-ethernet")) 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 if (fman_get_dev(&bus) < 0) 124 return (ENOENT); 125 126 *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 node, enet_node, phy_node; 136 phandle_t fman_rxtx_node[2]; 137 char phy_type[6]; 138 139 sc = device_get_softc(dev); 140 node = ofw_bus_get_node(dev); 141 142 if (OF_getprop(node, "fsl,fman-mac", (void *)&enet_node, 143 sizeof(enet_node)) == -1) { 144 device_printf(dev, "Could not load fsl,fman-mac property " 145 "from DTS\n"); 146 return (ENXIO); 147 } 148 149 enet_node = OF_instance_to_package(enet_node); 150 151 if (OF_getprop(enet_node, "local-mac-address", 152 (void *)sc->sc_mac_addr, 6) == -1) { 153 device_printf(dev, 154 "Could not load local-mac-addr property from DTS\n"); 155 return (ENXIO); 156 } 157 158 /* Get link speed */ 159 if (fdt_is_compatible(enet_node, "fsl,fman-1g-mac") != 0) 160 sc->sc_eth_dev_type = ETH_DTSEC; 161 else if (fdt_is_compatible(enet_node, "fsl,fman-10g-mac") != 0) 162 sc->sc_eth_dev_type = ETH_10GSEC; 163 else 164 return(ENXIO); 165 166 /* Get MAC memory offset in SoC */ 167 if (OF_getprop(enet_node, "reg", (void *)&sc->sc_mac_mem_offset, 168 sizeof(sc->sc_mac_mem_offset)) <= 0) 169 return (ENXIO); 170 171 /* Get PHY address */ 172 if (OF_getprop(enet_node, "phy-handle", (void *)&phy_node, 173 sizeof(phy_node)) <= 0) 174 return (ENXIO); 175 176 phy_node = OF_instance_to_package(phy_node); 177 178 if (OF_getprop(phy_node, "reg", (void *)&sc->sc_phy_addr, 179 sizeof(sc->sc_phy_addr)) <= 0) 180 return (ENXIO); 181 182 if (find_mdio(phy_node, dev, &sc->sc_mdio) != 0) 183 return (ENXIO); 184 185 /* Get PHY connection type */ 186 if (OF_getprop(enet_node, "phy-connection-type", (void *)phy_type, 187 sizeof(phy_type)) <= 0) 188 return (ENXIO); 189 190 if (!strcmp(phy_type, "sgmii")) 191 sc->sc_mac_enet_mode = e_ENET_MODE_SGMII_1000; 192 else if (!strcmp(phy_type, "rgmii")) 193 sc->sc_mac_enet_mode = e_ENET_MODE_RGMII_1000; 194 else if (!strcmp(phy_type, "xgmii")) 195 /* We set 10 Gigabit mode flag however we don't support it */ 196 sc->sc_mac_enet_mode = e_ENET_MODE_XGMII_10000; 197 else 198 return (ENXIO); 199 200 /* Get RX/TX port handles */ 201 if (OF_getprop(enet_node, "fsl,port-handles", (void *)fman_rxtx_node, 202 sizeof(fman_rxtx_node)) <= 0) 203 return (ENXIO); 204 205 if (fman_rxtx_node[0] == 0) 206 return (ENXIO); 207 208 if (fman_rxtx_node[1] == 0) 209 return (ENXIO); 210 211 fman_rxtx_node[0] = OF_instance_to_package(fman_rxtx_node[0]); 212 fman_rxtx_node[1] = OF_instance_to_package(fman_rxtx_node[1]); 213 214 if (fdt_is_compatible(fman_rxtx_node[0], "fsl,fman-port-1g-rx") == 0) 215 return (ENXIO); 216 217 if (fdt_is_compatible(fman_rxtx_node[1], "fsl,fman-port-1g-tx") == 0) 218 return (ENXIO); 219 220 /* Get RX port HW id */ 221 if (OF_getprop(fman_rxtx_node[0], "reg", (void *)&sc->sc_port_rx_hw_id, 222 sizeof(sc->sc_port_rx_hw_id)) <= 0) 223 return (ENXIO); 224 225 /* Get TX port HW id */ 226 if (OF_getprop(fman_rxtx_node[1], "reg", (void *)&sc->sc_port_tx_hw_id, 227 sizeof(sc->sc_port_tx_hw_id)) <= 0) 228 return (ENXIO); 229 230 /* Get QMan channel */ 231 if (OF_getprop(fman_rxtx_node[1], "fsl,qman-channel-id", 232 (void *)&sc->sc_port_tx_qman_chan, 233 sizeof(sc->sc_port_tx_qman_chan)) <= 0) 234 return (ENXIO); 235 236 return (dtsec_attach(dev)); 237 } 238