makphy.c revision 1.2.4.2
1 1.2.4.2 nathanw /* $NetBSD: makphy.c,v 1.2.4.2 2001/08/24 00:09:58 nathanw Exp $ */ 2 1.2.4.2 nathanw 3 1.2.4.2 nathanw /*- 4 1.2.4.2 nathanw * Copyright (c) 1998, 1999, 2000, 2001 The NetBSD Foundation, Inc. 5 1.2.4.2 nathanw * All rights reserved. 6 1.2.4.2 nathanw * 7 1.2.4.2 nathanw * This code is derived from software contributed to The NetBSD Foundation 8 1.2.4.2 nathanw * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9 1.2.4.2 nathanw * NASA Ames Research Center. 10 1.2.4.2 nathanw * 11 1.2.4.2 nathanw * Redistribution and use in source and binary forms, with or without 12 1.2.4.2 nathanw * modification, are permitted provided that the following conditions 13 1.2.4.2 nathanw * are met: 14 1.2.4.2 nathanw * 1. Redistributions of source code must retain the above copyright 15 1.2.4.2 nathanw * notice, this list of conditions and the following disclaimer. 16 1.2.4.2 nathanw * 2. Redistributions in binary form must reproduce the above copyright 17 1.2.4.2 nathanw * notice, this list of conditions and the following disclaimer in the 18 1.2.4.2 nathanw * documentation and/or other materials provided with the distribution. 19 1.2.4.2 nathanw * 3. All advertising materials mentioning features or use of this software 20 1.2.4.2 nathanw * must display the following acknowledgement: 21 1.2.4.2 nathanw * This product includes software developed by the NetBSD 22 1.2.4.2 nathanw * Foundation, Inc. and its contributors. 23 1.2.4.2 nathanw * 4. Neither the name of The NetBSD Foundation nor the names of its 24 1.2.4.2 nathanw * contributors may be used to endorse or promote products derived 25 1.2.4.2 nathanw * from this software without specific prior written permission. 26 1.2.4.2 nathanw * 27 1.2.4.2 nathanw * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 1.2.4.2 nathanw * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 1.2.4.2 nathanw * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 1.2.4.2 nathanw * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 1.2.4.2 nathanw * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 1.2.4.2 nathanw * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 1.2.4.2 nathanw * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 1.2.4.2 nathanw * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 1.2.4.2 nathanw * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 1.2.4.2 nathanw * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 1.2.4.2 nathanw * POSSIBILITY OF SUCH DAMAGE. 38 1.2.4.2 nathanw */ 39 1.2.4.2 nathanw 40 1.2.4.2 nathanw /* 41 1.2.4.2 nathanw * Copyright (c) 1997 Manuel Bouyer. All rights reserved. 42 1.2.4.2 nathanw * 43 1.2.4.2 nathanw * Redistribution and use in source and binary forms, with or without 44 1.2.4.2 nathanw * modification, are permitted provided that the following conditions 45 1.2.4.2 nathanw * are met: 46 1.2.4.2 nathanw * 1. Redistributions of source code must retain the above copyright 47 1.2.4.2 nathanw * notice, this list of conditions and the following disclaimer. 48 1.2.4.2 nathanw * 2. Redistributions in binary form must reproduce the above copyright 49 1.2.4.2 nathanw * notice, this list of conditions and the following disclaimer in the 50 1.2.4.2 nathanw * documentation and/or other materials provided with the distribution. 51 1.2.4.2 nathanw * 3. All advertising materials mentioning features or use of this software 52 1.2.4.2 nathanw * must display the following acknowledgement: 53 1.2.4.2 nathanw * This product includes software developed by Manuel Bouyer. 54 1.2.4.2 nathanw * 4. The name of the author may not be used to endorse or promote products 55 1.2.4.2 nathanw * derived from this software without specific prior written permission. 56 1.2.4.2 nathanw * 57 1.2.4.2 nathanw * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 58 1.2.4.2 nathanw * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 59 1.2.4.2 nathanw * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 60 1.2.4.2 nathanw * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 61 1.2.4.2 nathanw * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 62 1.2.4.2 nathanw * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 63 1.2.4.2 nathanw * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 64 1.2.4.2 nathanw * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 65 1.2.4.2 nathanw * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 66 1.2.4.2 nathanw * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 67 1.2.4.2 nathanw */ 68 1.2.4.2 nathanw 69 1.2.4.2 nathanw /* 70 1.2.4.2 nathanw * Driver for the Marvell 88E1000 ``Alaska'' 10/100/1000 PHY. 71 1.2.4.2 nathanw */ 72 1.2.4.2 nathanw 73 1.2.4.2 nathanw #include <sys/param.h> 74 1.2.4.2 nathanw #include <sys/systm.h> 75 1.2.4.2 nathanw #include <sys/kernel.h> 76 1.2.4.2 nathanw #include <sys/device.h> 77 1.2.4.2 nathanw #include <sys/malloc.h> 78 1.2.4.2 nathanw #include <sys/socket.h> 79 1.2.4.2 nathanw #include <sys/errno.h> 80 1.2.4.2 nathanw 81 1.2.4.2 nathanw #include <net/if.h> 82 1.2.4.2 nathanw #include <net/if_media.h> 83 1.2.4.2 nathanw 84 1.2.4.2 nathanw #include <dev/mii/mii.h> 85 1.2.4.2 nathanw #include <dev/mii/miivar.h> 86 1.2.4.2 nathanw #include <dev/mii/miidevs.h> 87 1.2.4.2 nathanw 88 1.2.4.2 nathanw #include <dev/mii/makphyreg.h> 89 1.2.4.2 nathanw 90 1.2.4.2 nathanw int makphymatch __P((struct device *, struct cfdata *, void *)); 91 1.2.4.2 nathanw void makphyattach __P((struct device *, struct device *, void *)); 92 1.2.4.2 nathanw 93 1.2.4.2 nathanw struct cfattach makphy_ca = { 94 1.2.4.2 nathanw sizeof(struct mii_softc), makphymatch, makphyattach, 95 1.2.4.2 nathanw mii_phy_detach, mii_phy_activate 96 1.2.4.2 nathanw }; 97 1.2.4.2 nathanw 98 1.2.4.2 nathanw int makphy_service __P((struct mii_softc *, struct mii_data *, int)); 99 1.2.4.2 nathanw void makphy_status __P((struct mii_softc *)); 100 1.2.4.2 nathanw 101 1.2.4.2 nathanw const struct mii_phy_funcs makphy_funcs = { 102 1.2.4.2 nathanw makphy_service, makphy_status, mii_phy_reset, 103 1.2.4.2 nathanw }; 104 1.2.4.2 nathanw 105 1.2.4.2 nathanw const struct mii_phydesc makphys[] = { 106 1.2.4.2 nathanw { MII_OUI_xxMARVELL, MII_MODEL_xxMARVELL_E1000, 107 1.2.4.2 nathanw MII_STR_xxMARVELL_E1000 }, 108 1.2.4.2 nathanw 109 1.2.4.2 nathanw { 0, 0, 110 1.2.4.2 nathanw NULL }, 111 1.2.4.2 nathanw }; 112 1.2.4.2 nathanw 113 1.2.4.2 nathanw int 114 1.2.4.2 nathanw makphymatch(parent, match, aux) 115 1.2.4.2 nathanw struct device *parent; 116 1.2.4.2 nathanw struct cfdata *match; 117 1.2.4.2 nathanw void *aux; 118 1.2.4.2 nathanw { 119 1.2.4.2 nathanw struct mii_attach_args *ma = aux; 120 1.2.4.2 nathanw 121 1.2.4.2 nathanw if (mii_phy_match(ma, makphys) != NULL) 122 1.2.4.2 nathanw return (10); 123 1.2.4.2 nathanw 124 1.2.4.2 nathanw return (0); 125 1.2.4.2 nathanw } 126 1.2.4.2 nathanw 127 1.2.4.2 nathanw void 128 1.2.4.2 nathanw makphyattach(parent, self, aux) 129 1.2.4.2 nathanw struct device *parent, *self; 130 1.2.4.2 nathanw void *aux; 131 1.2.4.2 nathanw { 132 1.2.4.2 nathanw struct mii_softc *sc = (struct mii_softc *)self; 133 1.2.4.2 nathanw struct mii_attach_args *ma = aux; 134 1.2.4.2 nathanw struct mii_data *mii = ma->mii_data; 135 1.2.4.2 nathanw const struct mii_phydesc *mpd; 136 1.2.4.2 nathanw 137 1.2.4.2 nathanw mpd = mii_phy_match(ma, makphys); 138 1.2.4.2 nathanw printf(": %s, rev. %d\n", mpd->mpd_name, MII_REV(ma->mii_id2)); 139 1.2.4.2 nathanw 140 1.2.4.2 nathanw sc->mii_inst = mii->mii_instance; 141 1.2.4.2 nathanw sc->mii_phy = ma->mii_phyno; 142 1.2.4.2 nathanw sc->mii_funcs = &makphy_funcs; 143 1.2.4.2 nathanw sc->mii_pdata = mii; 144 1.2.4.2 nathanw sc->mii_flags = mii->mii_flags; 145 1.2.4.2 nathanw sc->mii_anegticks = 5; 146 1.2.4.2 nathanw 147 1.2.4.2 nathanw PHY_RESET(sc); 148 1.2.4.2 nathanw 149 1.2.4.2 nathanw sc->mii_capabilities = 150 1.2.4.2 nathanw PHY_READ(sc, MII_BMSR) & ma->mii_capmask; 151 1.2.4.2 nathanw if (sc->mii_capabilities & BMSR_EXTSTAT) 152 1.2.4.2 nathanw sc->mii_extcapabilities = PHY_READ(sc, MII_EXTSR); 153 1.2.4.2 nathanw 154 1.2.4.2 nathanw printf("%s: ", sc->mii_dev.dv_xname); 155 1.2.4.2 nathanw if ((sc->mii_capabilities & BMSR_MEDIAMASK) == 0 && 156 1.2.4.2 nathanw (sc->mii_extcapabilities & EXTSR_MEDIAMASK) == 0) 157 1.2.4.2 nathanw printf("no media present"); 158 1.2.4.2 nathanw else 159 1.2.4.2 nathanw mii_phy_add_media(sc); 160 1.2.4.2 nathanw printf("\n"); 161 1.2.4.2 nathanw } 162 1.2.4.2 nathanw 163 1.2.4.2 nathanw int 164 1.2.4.2 nathanw makphy_service(sc, mii, cmd) 165 1.2.4.2 nathanw struct mii_softc *sc; 166 1.2.4.2 nathanw struct mii_data *mii; 167 1.2.4.2 nathanw int cmd; 168 1.2.4.2 nathanw { 169 1.2.4.2 nathanw struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 170 1.2.4.2 nathanw int reg; 171 1.2.4.2 nathanw 172 1.2.4.2 nathanw switch (cmd) { 173 1.2.4.2 nathanw case MII_POLLSTAT: 174 1.2.4.2 nathanw /* 175 1.2.4.2 nathanw * If we're not polling our PHY instance, just return. 176 1.2.4.2 nathanw */ 177 1.2.4.2 nathanw if (IFM_INST(ife->ifm_media) != sc->mii_inst) 178 1.2.4.2 nathanw return (0); 179 1.2.4.2 nathanw break; 180 1.2.4.2 nathanw 181 1.2.4.2 nathanw case MII_MEDIACHG: 182 1.2.4.2 nathanw /* 183 1.2.4.2 nathanw * If the media indicates a different PHY instance, 184 1.2.4.2 nathanw * isolate ourselves. 185 1.2.4.2 nathanw */ 186 1.2.4.2 nathanw if (IFM_INST(ife->ifm_media) != sc->mii_inst) { 187 1.2.4.2 nathanw reg = PHY_READ(sc, MII_BMCR); 188 1.2.4.2 nathanw PHY_WRITE(sc, MII_BMCR, reg | BMCR_ISO); 189 1.2.4.2 nathanw return (0); 190 1.2.4.2 nathanw } 191 1.2.4.2 nathanw 192 1.2.4.2 nathanw /* 193 1.2.4.2 nathanw * If the interface is not up, don't do anything. 194 1.2.4.2 nathanw */ 195 1.2.4.2 nathanw if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 196 1.2.4.2 nathanw break; 197 1.2.4.2 nathanw 198 1.2.4.2 nathanw mii_phy_setmedia(sc); 199 1.2.4.2 nathanw break; 200 1.2.4.2 nathanw 201 1.2.4.2 nathanw case MII_TICK: 202 1.2.4.2 nathanw /* 203 1.2.4.2 nathanw * If we're not currently selected, just return. 204 1.2.4.2 nathanw */ 205 1.2.4.2 nathanw if (IFM_INST(ife->ifm_media) != sc->mii_inst) 206 1.2.4.2 nathanw return (0); 207 1.2.4.2 nathanw 208 1.2.4.2 nathanw if (mii_phy_tick(sc) == EJUSTRETURN) 209 1.2.4.2 nathanw return (0); 210 1.2.4.2 nathanw break; 211 1.2.4.2 nathanw 212 1.2.4.2 nathanw case MII_DOWN: 213 1.2.4.2 nathanw mii_phy_down(sc); 214 1.2.4.2 nathanw return (0); 215 1.2.4.2 nathanw } 216 1.2.4.2 nathanw 217 1.2.4.2 nathanw /* Update the media status. */ 218 1.2.4.2 nathanw mii_phy_status(sc); 219 1.2.4.2 nathanw 220 1.2.4.2 nathanw /* Callback if something changed. */ 221 1.2.4.2 nathanw mii_phy_update(sc, cmd); 222 1.2.4.2 nathanw return (0); 223 1.2.4.2 nathanw } 224 1.2.4.2 nathanw 225 1.2.4.2 nathanw void 226 1.2.4.2 nathanw makphy_status(sc) 227 1.2.4.2 nathanw struct mii_softc *sc; 228 1.2.4.2 nathanw { 229 1.2.4.2 nathanw struct mii_data *mii = sc->mii_pdata; 230 1.2.4.2 nathanw struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 231 1.2.4.2 nathanw int bmcr, pssr, gtsr; 232 1.2.4.2 nathanw 233 1.2.4.2 nathanw mii->mii_media_status = IFM_AVALID; 234 1.2.4.2 nathanw mii->mii_media_active = IFM_ETHER; 235 1.2.4.2 nathanw 236 1.2.4.2 nathanw pssr = PHY_READ(sc, MII_MAKPHY_PSSR); 237 1.2.4.2 nathanw 238 1.2.4.2 nathanw if (pssr & PSSR_LINK) 239 1.2.4.2 nathanw mii->mii_media_status |= IFM_ACTIVE; 240 1.2.4.2 nathanw 241 1.2.4.2 nathanw bmcr = PHY_READ(sc, MII_BMCR); 242 1.2.4.2 nathanw if (bmcr & BMCR_ISO) { 243 1.2.4.2 nathanw mii->mii_media_active |= IFM_NONE; 244 1.2.4.2 nathanw mii->mii_media_status = 0; 245 1.2.4.2 nathanw return; 246 1.2.4.2 nathanw } 247 1.2.4.2 nathanw 248 1.2.4.2 nathanw if (bmcr & BMCR_LOOP) 249 1.2.4.2 nathanw mii->mii_media_active |= IFM_LOOP; 250 1.2.4.2 nathanw 251 1.2.4.2 nathanw if (bmcr & BMCR_AUTOEN) { 252 1.2.4.2 nathanw /* 253 1.2.4.2 nathanw * The media status bits are only valid of autonegotiation 254 1.2.4.2 nathanw * has completed (or it's disabled). 255 1.2.4.2 nathanw */ 256 1.2.4.2 nathanw if ((pssr & PSSR_RESOLVED) == 0) { 257 1.2.4.2 nathanw /* Erg, still trying, I guess... */ 258 1.2.4.2 nathanw mii->mii_media_active |= IFM_NONE; 259 1.2.4.2 nathanw return; 260 1.2.4.2 nathanw } 261 1.2.4.2 nathanw 262 1.2.4.2 nathanw switch (PSSR_SPEED_get(pssr)) { 263 1.2.4.2 nathanw case SPEED_1000: 264 1.2.4.2 nathanw mii->mii_media_active |= IFM_1000_T; 265 1.2.4.2 nathanw gtsr = PHY_READ(sc, MII_100T2SR); 266 1.2.4.2 nathanw if (gtsr & GTSR_MS_RES) 267 1.2.4.2 nathanw mii->mii_media_active |= IFM_ETH_MASTER; 268 1.2.4.2 nathanw break; 269 1.2.4.2 nathanw 270 1.2.4.2 nathanw case SPEED_100: 271 1.2.4.2 nathanw mii->mii_media_active |= IFM_100_TX; 272 1.2.4.2 nathanw break; 273 1.2.4.2 nathanw 274 1.2.4.2 nathanw case SPEED_10: 275 1.2.4.2 nathanw mii->mii_media_active |= IFM_10_T; 276 1.2.4.2 nathanw break; 277 1.2.4.2 nathanw 278 1.2.4.2 nathanw default: 279 1.2.4.2 nathanw mii->mii_media_active |= IFM_NONE; 280 1.2.4.2 nathanw mii->mii_media_status = 0; 281 1.2.4.2 nathanw return; 282 1.2.4.2 nathanw } 283 1.2.4.2 nathanw 284 1.2.4.2 nathanw if (pssr & PSSR_DUPLEX) 285 1.2.4.2 nathanw mii->mii_media_active |= IFM_FDX; 286 1.2.4.2 nathanw } else 287 1.2.4.2 nathanw mii->mii_media_active = ife->ifm_media; 288 1.2.4.2 nathanw } 289
Indexes created Mon Oct 27 08:10:08 GMT 2025