makphy.c revision 1.2.2.2
1 1.2.2.2 lukem /* $NetBSD: makphy.c,v 1.2.2.2 2001/08/03 04:13:13 lukem Exp $ */ 2 1.2.2.2 lukem 3 1.2.2.2 lukem /*- 4 1.2.2.2 lukem * Copyright (c) 1998, 1999, 2000, 2001 The NetBSD Foundation, Inc. 5 1.2.2.2 lukem * All rights reserved. 6 1.2.2.2 lukem * 7 1.2.2.2 lukem * This code is derived from software contributed to The NetBSD Foundation 8 1.2.2.2 lukem * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9 1.2.2.2 lukem * NASA Ames Research Center. 10 1.2.2.2 lukem * 11 1.2.2.2 lukem * Redistribution and use in source and binary forms, with or without 12 1.2.2.2 lukem * modification, are permitted provided that the following conditions 13 1.2.2.2 lukem * are met: 14 1.2.2.2 lukem * 1. Redistributions of source code must retain the above copyright 15 1.2.2.2 lukem * notice, this list of conditions and the following disclaimer. 16 1.2.2.2 lukem * 2. Redistributions in binary form must reproduce the above copyright 17 1.2.2.2 lukem * notice, this list of conditions and the following disclaimer in the 18 1.2.2.2 lukem * documentation and/or other materials provided with the distribution. 19 1.2.2.2 lukem * 3. All advertising materials mentioning features or use of this software 20 1.2.2.2 lukem * must display the following acknowledgement: 21 1.2.2.2 lukem * This product includes software developed by the NetBSD 22 1.2.2.2 lukem * Foundation, Inc. and its contributors. 23 1.2.2.2 lukem * 4. Neither the name of The NetBSD Foundation nor the names of its 24 1.2.2.2 lukem * contributors may be used to endorse or promote products derived 25 1.2.2.2 lukem * from this software without specific prior written permission. 26 1.2.2.2 lukem * 27 1.2.2.2 lukem * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 1.2.2.2 lukem * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 1.2.2.2 lukem * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 1.2.2.2 lukem * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 1.2.2.2 lukem * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 1.2.2.2 lukem * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 1.2.2.2 lukem * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 1.2.2.2 lukem * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 1.2.2.2 lukem * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 1.2.2.2 lukem * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 1.2.2.2 lukem * POSSIBILITY OF SUCH DAMAGE. 38 1.2.2.2 lukem */ 39 1.2.2.2 lukem 40 1.2.2.2 lukem /* 41 1.2.2.2 lukem * Copyright (c) 1997 Manuel Bouyer. All rights reserved. 42 1.2.2.2 lukem * 43 1.2.2.2 lukem * Redistribution and use in source and binary forms, with or without 44 1.2.2.2 lukem * modification, are permitted provided that the following conditions 45 1.2.2.2 lukem * are met: 46 1.2.2.2 lukem * 1. Redistributions of source code must retain the above copyright 47 1.2.2.2 lukem * notice, this list of conditions and the following disclaimer. 48 1.2.2.2 lukem * 2. Redistributions in binary form must reproduce the above copyright 49 1.2.2.2 lukem * notice, this list of conditions and the following disclaimer in the 50 1.2.2.2 lukem * documentation and/or other materials provided with the distribution. 51 1.2.2.2 lukem * 3. All advertising materials mentioning features or use of this software 52 1.2.2.2 lukem * must display the following acknowledgement: 53 1.2.2.2 lukem * This product includes software developed by Manuel Bouyer. 54 1.2.2.2 lukem * 4. The name of the author may not be used to endorse or promote products 55 1.2.2.2 lukem * derived from this software without specific prior written permission. 56 1.2.2.2 lukem * 57 1.2.2.2 lukem * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 58 1.2.2.2 lukem * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 59 1.2.2.2 lukem * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 60 1.2.2.2 lukem * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 61 1.2.2.2 lukem * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 62 1.2.2.2 lukem * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 63 1.2.2.2 lukem * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 64 1.2.2.2 lukem * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 65 1.2.2.2 lukem * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 66 1.2.2.2 lukem * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 67 1.2.2.2 lukem */ 68 1.2.2.2 lukem 69 1.2.2.2 lukem /* 70 1.2.2.2 lukem * Driver for the Marvell 88E1000 ``Alaska'' 10/100/1000 PHY. 71 1.2.2.2 lukem */ 72 1.2.2.2 lukem 73 1.2.2.2 lukem #include <sys/param.h> 74 1.2.2.2 lukem #include <sys/systm.h> 75 1.2.2.2 lukem #include <sys/kernel.h> 76 1.2.2.2 lukem #include <sys/device.h> 77 1.2.2.2 lukem #include <sys/malloc.h> 78 1.2.2.2 lukem #include <sys/socket.h> 79 1.2.2.2 lukem #include <sys/errno.h> 80 1.2.2.2 lukem 81 1.2.2.2 lukem #include <net/if.h> 82 1.2.2.2 lukem #include <net/if_media.h> 83 1.2.2.2 lukem 84 1.2.2.2 lukem #include <dev/mii/mii.h> 85 1.2.2.2 lukem #include <dev/mii/miivar.h> 86 1.2.2.2 lukem #include <dev/mii/miidevs.h> 87 1.2.2.2 lukem 88 1.2.2.2 lukem #include <dev/mii/makphyreg.h> 89 1.2.2.2 lukem 90 1.2.2.2 lukem int makphymatch __P((struct device *, struct cfdata *, void *)); 91 1.2.2.2 lukem void makphyattach __P((struct device *, struct device *, void *)); 92 1.2.2.2 lukem 93 1.2.2.2 lukem struct cfattach makphy_ca = { 94 1.2.2.2 lukem sizeof(struct mii_softc), makphymatch, makphyattach, 95 1.2.2.2 lukem mii_phy_detach, mii_phy_activate 96 1.2.2.2 lukem }; 97 1.2.2.2 lukem 98 1.2.2.2 lukem int makphy_service __P((struct mii_softc *, struct mii_data *, int)); 99 1.2.2.2 lukem void makphy_status __P((struct mii_softc *)); 100 1.2.2.2 lukem 101 1.2.2.2 lukem const struct mii_phy_funcs makphy_funcs = { 102 1.2.2.2 lukem makphy_service, makphy_status, mii_phy_reset, 103 1.2.2.2 lukem }; 104 1.2.2.2 lukem 105 1.2.2.2 lukem const struct mii_phydesc makphys[] = { 106 1.2.2.2 lukem { MII_OUI_xxMARVELL, MII_MODEL_xxMARVELL_E1000, 107 1.2.2.2 lukem MII_STR_xxMARVELL_E1000 }, 108 1.2.2.2 lukem 109 1.2.2.2 lukem { 0, 0, 110 1.2.2.2 lukem NULL }, 111 1.2.2.2 lukem }; 112 1.2.2.2 lukem 113 1.2.2.2 lukem int 114 1.2.2.2 lukem makphymatch(parent, match, aux) 115 1.2.2.2 lukem struct device *parent; 116 1.2.2.2 lukem struct cfdata *match; 117 1.2.2.2 lukem void *aux; 118 1.2.2.2 lukem { 119 1.2.2.2 lukem struct mii_attach_args *ma = aux; 120 1.2.2.2 lukem 121 1.2.2.2 lukem if (mii_phy_match(ma, makphys) != NULL) 122 1.2.2.2 lukem return (10); 123 1.2.2.2 lukem 124 1.2.2.2 lukem return (0); 125 1.2.2.2 lukem } 126 1.2.2.2 lukem 127 1.2.2.2 lukem void 128 1.2.2.2 lukem makphyattach(parent, self, aux) 129 1.2.2.2 lukem struct device *parent, *self; 130 1.2.2.2 lukem void *aux; 131 1.2.2.2 lukem { 132 1.2.2.2 lukem struct mii_softc *sc = (struct mii_softc *)self; 133 1.2.2.2 lukem struct mii_attach_args *ma = aux; 134 1.2.2.2 lukem struct mii_data *mii = ma->mii_data; 135 1.2.2.2 lukem const struct mii_phydesc *mpd; 136 1.2.2.2 lukem 137 1.2.2.2 lukem mpd = mii_phy_match(ma, makphys); 138 1.2.2.2 lukem printf(": %s, rev. %d\n", mpd->mpd_name, MII_REV(ma->mii_id2)); 139 1.2.2.2 lukem 140 1.2.2.2 lukem sc->mii_inst = mii->mii_instance; 141 1.2.2.2 lukem sc->mii_phy = ma->mii_phyno; 142 1.2.2.2 lukem sc->mii_funcs = &makphy_funcs; 143 1.2.2.2 lukem sc->mii_pdata = mii; 144 1.2.2.2 lukem sc->mii_flags = mii->mii_flags; 145 1.2.2.2 lukem sc->mii_anegticks = 5; 146 1.2.2.2 lukem 147 1.2.2.2 lukem PHY_RESET(sc); 148 1.2.2.2 lukem 149 1.2.2.2 lukem sc->mii_capabilities = 150 1.2.2.2 lukem PHY_READ(sc, MII_BMSR) & ma->mii_capmask; 151 1.2.2.2 lukem if (sc->mii_capabilities & BMSR_EXTSTAT) 152 1.2.2.2 lukem sc->mii_extcapabilities = PHY_READ(sc, MII_EXTSR); 153 1.2.2.2 lukem 154 1.2.2.2 lukem printf("%s: ", sc->mii_dev.dv_xname); 155 1.2.2.2 lukem if ((sc->mii_capabilities & BMSR_MEDIAMASK) == 0 && 156 1.2.2.2 lukem (sc->mii_extcapabilities & EXTSR_MEDIAMASK) == 0) 157 1.2.2.2 lukem printf("no media present"); 158 1.2.2.2 lukem else 159 1.2.2.2 lukem mii_phy_add_media(sc); 160 1.2.2.2 lukem printf("\n"); 161 1.2.2.2 lukem } 162 1.2.2.2 lukem 163 1.2.2.2 lukem int 164 1.2.2.2 lukem makphy_service(sc, mii, cmd) 165 1.2.2.2 lukem struct mii_softc *sc; 166 1.2.2.2 lukem struct mii_data *mii; 167 1.2.2.2 lukem int cmd; 168 1.2.2.2 lukem { 169 1.2.2.2 lukem struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 170 1.2.2.2 lukem int reg; 171 1.2.2.2 lukem 172 1.2.2.2 lukem switch (cmd) { 173 1.2.2.2 lukem case MII_POLLSTAT: 174 1.2.2.2 lukem /* 175 1.2.2.2 lukem * If we're not polling our PHY instance, just return. 176 1.2.2.2 lukem */ 177 1.2.2.2 lukem if (IFM_INST(ife->ifm_media) != sc->mii_inst) 178 1.2.2.2 lukem return (0); 179 1.2.2.2 lukem break; 180 1.2.2.2 lukem 181 1.2.2.2 lukem case MII_MEDIACHG: 182 1.2.2.2 lukem /* 183 1.2.2.2 lukem * If the media indicates a different PHY instance, 184 1.2.2.2 lukem * isolate ourselves. 185 1.2.2.2 lukem */ 186 1.2.2.2 lukem if (IFM_INST(ife->ifm_media) != sc->mii_inst) { 187 1.2.2.2 lukem reg = PHY_READ(sc, MII_BMCR); 188 1.2.2.2 lukem PHY_WRITE(sc, MII_BMCR, reg | BMCR_ISO); 189 1.2.2.2 lukem return (0); 190 1.2.2.2 lukem } 191 1.2.2.2 lukem 192 1.2.2.2 lukem /* 193 1.2.2.2 lukem * If the interface is not up, don't do anything. 194 1.2.2.2 lukem */ 195 1.2.2.2 lukem if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 196 1.2.2.2 lukem break; 197 1.2.2.2 lukem 198 1.2.2.2 lukem mii_phy_setmedia(sc); 199 1.2.2.2 lukem break; 200 1.2.2.2 lukem 201 1.2.2.2 lukem case MII_TICK: 202 1.2.2.2 lukem /* 203 1.2.2.2 lukem * If we're not currently selected, just return. 204 1.2.2.2 lukem */ 205 1.2.2.2 lukem if (IFM_INST(ife->ifm_media) != sc->mii_inst) 206 1.2.2.2 lukem return (0); 207 1.2.2.2 lukem 208 1.2.2.2 lukem if (mii_phy_tick(sc) == EJUSTRETURN) 209 1.2.2.2 lukem return (0); 210 1.2.2.2 lukem break; 211 1.2.2.2 lukem 212 1.2.2.2 lukem case MII_DOWN: 213 1.2.2.2 lukem mii_phy_down(sc); 214 1.2.2.2 lukem return (0); 215 1.2.2.2 lukem } 216 1.2.2.2 lukem 217 1.2.2.2 lukem /* Update the media status. */ 218 1.2.2.2 lukem mii_phy_status(sc); 219 1.2.2.2 lukem 220 1.2.2.2 lukem /* Callback if something changed. */ 221 1.2.2.2 lukem mii_phy_update(sc, cmd); 222 1.2.2.2 lukem return (0); 223 1.2.2.2 lukem } 224 1.2.2.2 lukem 225 1.2.2.2 lukem void 226 1.2.2.2 lukem makphy_status(sc) 227 1.2.2.2 lukem struct mii_softc *sc; 228 1.2.2.2 lukem { 229 1.2.2.2 lukem struct mii_data *mii = sc->mii_pdata; 230 1.2.2.2 lukem struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 231 1.2.2.2 lukem int bmcr, pssr, gtsr; 232 1.2.2.2 lukem 233 1.2.2.2 lukem mii->mii_media_status = IFM_AVALID; 234 1.2.2.2 lukem mii->mii_media_active = IFM_ETHER; 235 1.2.2.2 lukem 236 1.2.2.2 lukem pssr = PHY_READ(sc, MII_MAKPHY_PSSR); 237 1.2.2.2 lukem 238 1.2.2.2 lukem if (pssr & PSSR_LINK) 239 1.2.2.2 lukem mii->mii_media_status |= IFM_ACTIVE; 240 1.2.2.2 lukem 241 1.2.2.2 lukem bmcr = PHY_READ(sc, MII_BMCR); 242 1.2.2.2 lukem if (bmcr & BMCR_ISO) { 243 1.2.2.2 lukem mii->mii_media_active |= IFM_NONE; 244 1.2.2.2 lukem mii->mii_media_status = 0; 245 1.2.2.2 lukem return; 246 1.2.2.2 lukem } 247 1.2.2.2 lukem 248 1.2.2.2 lukem if (bmcr & BMCR_LOOP) 249 1.2.2.2 lukem mii->mii_media_active |= IFM_LOOP; 250 1.2.2.2 lukem 251 1.2.2.2 lukem if (bmcr & BMCR_AUTOEN) { 252 1.2.2.2 lukem /* 253 1.2.2.2 lukem * The media status bits are only valid of autonegotiation 254 1.2.2.2 lukem * has completed (or it's disabled). 255 1.2.2.2 lukem */ 256 1.2.2.2 lukem if ((pssr & PSSR_RESOLVED) == 0) { 257 1.2.2.2 lukem /* Erg, still trying, I guess... */ 258 1.2.2.2 lukem mii->mii_media_active |= IFM_NONE; 259 1.2.2.2 lukem return; 260 1.2.2.2 lukem } 261 1.2.2.2 lukem 262 1.2.2.2 lukem switch (PSSR_SPEED_get(pssr)) { 263 1.2.2.2 lukem case SPEED_1000: 264 1.2.2.2 lukem mii->mii_media_active |= IFM_1000_T; 265 1.2.2.2 lukem gtsr = PHY_READ(sc, MII_100T2SR); 266 1.2.2.2 lukem if (gtsr & GTSR_MS_RES) 267 1.2.2.2 lukem mii->mii_media_active |= IFM_ETH_MASTER; 268 1.2.2.2 lukem break; 269 1.2.2.2 lukem 270 1.2.2.2 lukem case SPEED_100: 271 1.2.2.2 lukem mii->mii_media_active |= IFM_100_TX; 272 1.2.2.2 lukem break; 273 1.2.2.2 lukem 274 1.2.2.2 lukem case SPEED_10: 275 1.2.2.2 lukem mii->mii_media_active |= IFM_10_T; 276 1.2.2.2 lukem break; 277 1.2.2.2 lukem 278 1.2.2.2 lukem default: 279 1.2.2.2 lukem mii->mii_media_active |= IFM_NONE; 280 1.2.2.2 lukem mii->mii_media_status = 0; 281 1.2.2.2 lukem return; 282 1.2.2.2 lukem } 283 1.2.2.2 lukem 284 1.2.2.2 lukem if (pssr & PSSR_DUPLEX) 285 1.2.2.2 lukem mii->mii_media_active |= IFM_FDX; 286 1.2.2.2 lukem } else 287 1.2.2.2 lukem mii->mii_media_active = ife->ifm_media; 288 1.2.2.2 lukem } 289
Indexes created Tue Oct 28 02:10:10 GMT 2025