brgphy.c revision 1.2.2.3
1 1.2.2.3 nathanw /* $NetBSD: brgphy.c,v 1.2.2.3 2001/08/24 00:09:57 nathanw Exp $ */ 2 1.2.2.2 nathanw 3 1.2.2.2 nathanw /*- 4 1.2.2.2 nathanw * Copyright (c) 1998, 1999, 2000, 2001 The NetBSD Foundation, Inc. 5 1.2.2.2 nathanw * All rights reserved. 6 1.2.2.2 nathanw * 7 1.2.2.2 nathanw * This code is derived from software contributed to The NetBSD Foundation 8 1.2.2.2 nathanw * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9 1.2.2.2 nathanw * NASA Ames Research Center. 10 1.2.2.2 nathanw * 11 1.2.2.2 nathanw * Redistribution and use in source and binary forms, with or without 12 1.2.2.2 nathanw * modification, are permitted provided that the following conditions 13 1.2.2.2 nathanw * are met: 14 1.2.2.2 nathanw * 1. Redistributions of source code must retain the above copyright 15 1.2.2.2 nathanw * notice, this list of conditions and the following disclaimer. 16 1.2.2.2 nathanw * 2. Redistributions in binary form must reproduce the above copyright 17 1.2.2.2 nathanw * notice, this list of conditions and the following disclaimer in the 18 1.2.2.2 nathanw * documentation and/or other materials provided with the distribution. 19 1.2.2.2 nathanw * 3. All advertising materials mentioning features or use of this software 20 1.2.2.2 nathanw * must display the following acknowledgement: 21 1.2.2.2 nathanw * This product includes software developed by the NetBSD 22 1.2.2.2 nathanw * Foundation, Inc. and its contributors. 23 1.2.2.2 nathanw * 4. Neither the name of The NetBSD Foundation nor the names of its 24 1.2.2.2 nathanw * contributors may be used to endorse or promote products derived 25 1.2.2.2 nathanw * from this software without specific prior written permission. 26 1.2.2.2 nathanw * 27 1.2.2.2 nathanw * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 1.2.2.2 nathanw * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 1.2.2.2 nathanw * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 1.2.2.2 nathanw * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 1.2.2.2 nathanw * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 1.2.2.2 nathanw * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 1.2.2.2 nathanw * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 1.2.2.2 nathanw * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 1.2.2.2 nathanw * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 1.2.2.2 nathanw * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 1.2.2.2 nathanw * POSSIBILITY OF SUCH DAMAGE. 38 1.2.2.2 nathanw */ 39 1.2.2.2 nathanw 40 1.2.2.2 nathanw /* 41 1.2.2.2 nathanw * Copyright (c) 1997 Manuel Bouyer. All rights reserved. 42 1.2.2.2 nathanw * 43 1.2.2.2 nathanw * Redistribution and use in source and binary forms, with or without 44 1.2.2.2 nathanw * modification, are permitted provided that the following conditions 45 1.2.2.2 nathanw * are met: 46 1.2.2.2 nathanw * 1. Redistributions of source code must retain the above copyright 47 1.2.2.2 nathanw * notice, this list of conditions and the following disclaimer. 48 1.2.2.2 nathanw * 2. Redistributions in binary form must reproduce the above copyright 49 1.2.2.2 nathanw * notice, this list of conditions and the following disclaimer in the 50 1.2.2.2 nathanw * documentation and/or other materials provided with the distribution. 51 1.2.2.2 nathanw * 3. All advertising materials mentioning features or use of this software 52 1.2.2.2 nathanw * must display the following acknowledgement: 53 1.2.2.2 nathanw * This product includes software developed by Manuel Bouyer. 54 1.2.2.2 nathanw * 4. The name of the author may not be used to endorse or promote products 55 1.2.2.2 nathanw * derived from this software without specific prior written permission. 56 1.2.2.2 nathanw * 57 1.2.2.2 nathanw * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 58 1.2.2.2 nathanw * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 59 1.2.2.2 nathanw * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 60 1.2.2.2 nathanw * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 61 1.2.2.2 nathanw * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 62 1.2.2.2 nathanw * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 63 1.2.2.2 nathanw * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 64 1.2.2.2 nathanw * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 65 1.2.2.2 nathanw * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 66 1.2.2.2 nathanw * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 67 1.2.2.2 nathanw */ 68 1.2.2.2 nathanw 69 1.2.2.2 nathanw /* 70 1.2.2.2 nathanw * driver for the Broadcom BCM5400 Gig-E PHY. 71 1.2.2.2 nathanw * 72 1.2.2.2 nathanw * Programming information for this PHY was gleaned from FreeBSD 73 1.2.2.2 nathanw * (they were apparently able to get a datasheet from Broadcom). 74 1.2.2.2 nathanw */ 75 1.2.2.2 nathanw 76 1.2.2.2 nathanw #include <sys/param.h> 77 1.2.2.2 nathanw #include <sys/systm.h> 78 1.2.2.2 nathanw #include <sys/kernel.h> 79 1.2.2.2 nathanw #include <sys/device.h> 80 1.2.2.2 nathanw #include <sys/malloc.h> 81 1.2.2.2 nathanw #include <sys/socket.h> 82 1.2.2.2 nathanw #include <sys/errno.h> 83 1.2.2.2 nathanw 84 1.2.2.2 nathanw #include <net/if.h> 85 1.2.2.2 nathanw #include <net/if_media.h> 86 1.2.2.2 nathanw 87 1.2.2.2 nathanw #include <dev/mii/mii.h> 88 1.2.2.2 nathanw #include <dev/mii/miivar.h> 89 1.2.2.2 nathanw #include <dev/mii/miidevs.h> 90 1.2.2.2 nathanw 91 1.2.2.2 nathanw #include <dev/mii/brgphyreg.h> 92 1.2.2.2 nathanw 93 1.2.2.2 nathanw int brgphymatch __P((struct device *, struct cfdata *, void *)); 94 1.2.2.2 nathanw void brgphyattach __P((struct device *, struct device *, void *)); 95 1.2.2.2 nathanw 96 1.2.2.2 nathanw struct cfattach brgphy_ca = { 97 1.2.2.2 nathanw sizeof(struct mii_softc), brgphymatch, brgphyattach, 98 1.2.2.2 nathanw mii_phy_detach, mii_phy_activate 99 1.2.2.2 nathanw }; 100 1.2.2.2 nathanw 101 1.2.2.2 nathanw int brgphy_service __P((struct mii_softc *, struct mii_data *, int)); 102 1.2.2.2 nathanw void brgphy_status __P((struct mii_softc *)); 103 1.2.2.2 nathanw 104 1.2.2.2 nathanw const struct mii_phy_funcs brgphy_funcs = { 105 1.2.2.2 nathanw brgphy_service, brgphy_status, mii_phy_reset, 106 1.2.2.2 nathanw }; 107 1.2.2.2 nathanw 108 1.2.2.2 nathanw const struct mii_phydesc brgphys[] = { 109 1.2.2.2 nathanw { MII_OUI_BROADCOM, MII_MODEL_BROADCOM_BCM5400, 110 1.2.2.2 nathanw MII_STR_BROADCOM_BCM5400 }, 111 1.2.2.2 nathanw 112 1.2.2.2 nathanw { MII_OUI_BROADCOM, MII_MODEL_BROADCOM_BCM5401, 113 1.2.2.2 nathanw MII_STR_BROADCOM_BCM5401 }, 114 1.2.2.2 nathanw 115 1.2.2.2 nathanw { MII_OUI_BROADCOM, MII_MODEL_BROADCOM_BCM5411, 116 1.2.2.2 nathanw MII_STR_BROADCOM_BCM5411 }, 117 1.2.2.2 nathanw 118 1.2.2.2 nathanw { 0, 0, 119 1.2.2.2 nathanw NULL }, 120 1.2.2.2 nathanw }; 121 1.2.2.2 nathanw 122 1.2.2.2 nathanw int 123 1.2.2.2 nathanw brgphymatch(parent, match, aux) 124 1.2.2.2 nathanw struct device *parent; 125 1.2.2.2 nathanw struct cfdata *match; 126 1.2.2.2 nathanw void *aux; 127 1.2.2.2 nathanw { 128 1.2.2.2 nathanw struct mii_attach_args *ma = aux; 129 1.2.2.2 nathanw 130 1.2.2.2 nathanw if (mii_phy_match(ma, brgphys) != NULL) 131 1.2.2.2 nathanw return (10); 132 1.2.2.2 nathanw 133 1.2.2.2 nathanw return (0); 134 1.2.2.2 nathanw } 135 1.2.2.2 nathanw 136 1.2.2.2 nathanw void 137 1.2.2.2 nathanw brgphyattach(parent, self, aux) 138 1.2.2.2 nathanw struct device *parent, *self; 139 1.2.2.2 nathanw void *aux; 140 1.2.2.2 nathanw { 141 1.2.2.2 nathanw struct mii_softc *sc = (struct mii_softc *)self; 142 1.2.2.2 nathanw struct mii_attach_args *ma = aux; 143 1.2.2.2 nathanw struct mii_data *mii = ma->mii_data; 144 1.2.2.2 nathanw const struct mii_phydesc *mpd; 145 1.2.2.2 nathanw 146 1.2.2.2 nathanw mpd = mii_phy_match(ma, brgphys); 147 1.2.2.2 nathanw printf(": %s, rev. %d\n", mpd->mpd_name, MII_REV(ma->mii_id2)); 148 1.2.2.2 nathanw 149 1.2.2.2 nathanw sc->mii_inst = mii->mii_instance; 150 1.2.2.2 nathanw sc->mii_phy = ma->mii_phyno; 151 1.2.2.2 nathanw sc->mii_funcs = &brgphy_funcs; 152 1.2.2.2 nathanw sc->mii_pdata = mii; 153 1.2.2.2 nathanw sc->mii_flags = mii->mii_flags; 154 1.2.2.2 nathanw sc->mii_anegticks = 5; 155 1.2.2.2 nathanw 156 1.2.2.2 nathanw PHY_RESET(sc); 157 1.2.2.2 nathanw 158 1.2.2.2 nathanw sc->mii_capabilities = 159 1.2.2.2 nathanw PHY_READ(sc, MII_BMSR) & ma->mii_capmask; 160 1.2.2.2 nathanw if (sc->mii_capabilities & BMSR_EXTSTAT) 161 1.2.2.2 nathanw sc->mii_extcapabilities = PHY_READ(sc, MII_EXTSR); 162 1.2.2.2 nathanw 163 1.2.2.2 nathanw printf("%s: ", sc->mii_dev.dv_xname); 164 1.2.2.2 nathanw if ((sc->mii_capabilities & BMSR_MEDIAMASK) == 0 && 165 1.2.2.2 nathanw (sc->mii_extcapabilities & EXTSR_MEDIAMASK) == 0) 166 1.2.2.2 nathanw printf("no media present"); 167 1.2.2.2 nathanw else 168 1.2.2.2 nathanw mii_phy_add_media(sc); 169 1.2.2.2 nathanw printf("\n"); 170 1.2.2.2 nathanw } 171 1.2.2.2 nathanw 172 1.2.2.2 nathanw int 173 1.2.2.2 nathanw brgphy_service(sc, mii, cmd) 174 1.2.2.2 nathanw struct mii_softc *sc; 175 1.2.2.2 nathanw struct mii_data *mii; 176 1.2.2.2 nathanw int cmd; 177 1.2.2.2 nathanw { 178 1.2.2.2 nathanw struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 179 1.2.2.2 nathanw int reg; 180 1.2.2.2 nathanw 181 1.2.2.2 nathanw switch (cmd) { 182 1.2.2.2 nathanw case MII_POLLSTAT: 183 1.2.2.2 nathanw /* 184 1.2.2.2 nathanw * If we're not polling our PHY instance, just return. 185 1.2.2.2 nathanw */ 186 1.2.2.2 nathanw if (IFM_INST(ife->ifm_media) != sc->mii_inst) 187 1.2.2.2 nathanw return (0); 188 1.2.2.2 nathanw break; 189 1.2.2.2 nathanw 190 1.2.2.2 nathanw case MII_MEDIACHG: 191 1.2.2.2 nathanw /* 192 1.2.2.2 nathanw * If the media indicates a different PHY instance, 193 1.2.2.2 nathanw * isolate ourselves. 194 1.2.2.2 nathanw */ 195 1.2.2.2 nathanw if (IFM_INST(ife->ifm_media) != sc->mii_inst) { 196 1.2.2.2 nathanw reg = PHY_READ(sc, MII_BMCR); 197 1.2.2.2 nathanw PHY_WRITE(sc, MII_BMCR, reg | BMCR_ISO); 198 1.2.2.2 nathanw return (0); 199 1.2.2.2 nathanw } 200 1.2.2.2 nathanw 201 1.2.2.2 nathanw /* 202 1.2.2.2 nathanw * If the interface is not up, don't do anything. 203 1.2.2.2 nathanw */ 204 1.2.2.2 nathanw if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 205 1.2.2.2 nathanw break; 206 1.2.2.2 nathanw 207 1.2.2.2 nathanw mii_phy_setmedia(sc); 208 1.2.2.2 nathanw break; 209 1.2.2.2 nathanw 210 1.2.2.2 nathanw case MII_TICK: 211 1.2.2.2 nathanw /* 212 1.2.2.2 nathanw * If we're not currently selected, just return. 213 1.2.2.2 nathanw */ 214 1.2.2.2 nathanw if (IFM_INST(ife->ifm_media) != sc->mii_inst) 215 1.2.2.2 nathanw return (0); 216 1.2.2.2 nathanw 217 1.2.2.2 nathanw if (mii_phy_tick(sc) == EJUSTRETURN) 218 1.2.2.2 nathanw return (0); 219 1.2.2.2 nathanw break; 220 1.2.2.2 nathanw 221 1.2.2.2 nathanw case MII_DOWN: 222 1.2.2.2 nathanw mii_phy_down(sc); 223 1.2.2.2 nathanw return (0); 224 1.2.2.2 nathanw } 225 1.2.2.2 nathanw 226 1.2.2.2 nathanw /* Update the media status. */ 227 1.2.2.2 nathanw mii_phy_status(sc); 228 1.2.2.2 nathanw 229 1.2.2.2 nathanw /* Callback if something changed. */ 230 1.2.2.2 nathanw mii_phy_update(sc, cmd); 231 1.2.2.2 nathanw return (0); 232 1.2.2.2 nathanw } 233 1.2.2.2 nathanw 234 1.2.2.2 nathanw void 235 1.2.2.2 nathanw brgphy_status(sc) 236 1.2.2.2 nathanw struct mii_softc *sc; 237 1.2.2.2 nathanw { 238 1.2.2.2 nathanw struct mii_data *mii = sc->mii_pdata; 239 1.2.2.2 nathanw struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 240 1.2.2.2 nathanw int bmcr, auxsts, gtsr; 241 1.2.2.2 nathanw 242 1.2.2.2 nathanw mii->mii_media_status = IFM_AVALID; 243 1.2.2.2 nathanw mii->mii_media_active = IFM_ETHER; 244 1.2.2.2 nathanw 245 1.2.2.2 nathanw auxsts = PHY_READ(sc, BRGPHY_MII_AUXSTS); 246 1.2.2.2 nathanw 247 1.2.2.2 nathanw if (auxsts & BRGPHY_AUXSTS_LINK) 248 1.2.2.2 nathanw mii->mii_media_status |= IFM_ACTIVE; 249 1.2.2.2 nathanw 250 1.2.2.2 nathanw bmcr = PHY_READ(sc, MII_BMCR); 251 1.2.2.2 nathanw if (bmcr & BMCR_ISO) { 252 1.2.2.2 nathanw mii->mii_media_active |= IFM_NONE; 253 1.2.2.2 nathanw mii->mii_media_status = 0; 254 1.2.2.2 nathanw return; 255 1.2.2.2 nathanw } 256 1.2.2.2 nathanw 257 1.2.2.2 nathanw if (bmcr & BMCR_LOOP) 258 1.2.2.2 nathanw mii->mii_media_active |= IFM_LOOP; 259 1.2.2.2 nathanw 260 1.2.2.2 nathanw if (bmcr & BMCR_AUTOEN) { 261 1.2.2.2 nathanw /* 262 1.2.2.2 nathanw * The media status bits are only valid of autonegotiation 263 1.2.2.2 nathanw * has completed (or it's disabled). 264 1.2.2.2 nathanw */ 265 1.2.2.2 nathanw if ((auxsts & BRGPHY_AUXSTS_ACOMP) == 0) { 266 1.2.2.2 nathanw /* Erg, still trying, I guess... */ 267 1.2.2.2 nathanw mii->mii_media_active |= IFM_NONE; 268 1.2.2.2 nathanw return; 269 1.2.2.2 nathanw } 270 1.2.2.2 nathanw 271 1.2.2.2 nathanw switch (auxsts & BRGPHY_AUXSTS_AN_RES) { 272 1.2.2.2 nathanw case BRGPHY_RES_1000FD: 273 1.2.2.3 nathanw mii->mii_media_active |= IFM_1000_T|IFM_FDX; 274 1.2.2.2 nathanw gtsr = PHY_READ(sc, MII_100T2SR); 275 1.2.2.2 nathanw if (gtsr & GTSR_MS_RES) 276 1.2.2.2 nathanw mii->mii_media_active |= IFM_ETH_MASTER; 277 1.2.2.2 nathanw break; 278 1.2.2.2 nathanw 279 1.2.2.2 nathanw case BRGPHY_RES_1000HD: 280 1.2.2.3 nathanw mii->mii_media_active |= IFM_1000_T; 281 1.2.2.2 nathanw gtsr = PHY_READ(sc, MII_100T2SR); 282 1.2.2.2 nathanw if (gtsr & GTSR_MS_RES) 283 1.2.2.2 nathanw mii->mii_media_active |= IFM_ETH_MASTER; 284 1.2.2.2 nathanw break; 285 1.2.2.2 nathanw 286 1.2.2.2 nathanw case BRGPHY_RES_100FD: 287 1.2.2.2 nathanw mii->mii_media_active |= IFM_100_TX|IFM_FDX; 288 1.2.2.2 nathanw break; 289 1.2.2.2 nathanw 290 1.2.2.2 nathanw case BRGPHY_RES_100T4: 291 1.2.2.2 nathanw mii->mii_media_active |= IFM_100_T4; 292 1.2.2.2 nathanw break; 293 1.2.2.2 nathanw 294 1.2.2.2 nathanw case BRGPHY_RES_100HD: 295 1.2.2.2 nathanw mii->mii_media_active |= IFM_100_TX; 296 1.2.2.2 nathanw break; 297 1.2.2.2 nathanw 298 1.2.2.2 nathanw case BRGPHY_RES_10FD: 299 1.2.2.2 nathanw mii->mii_media_active |= IFM_10_T|IFM_FDX; 300 1.2.2.2 nathanw break; 301 1.2.2.2 nathanw 302 1.2.2.2 nathanw case BRGPHY_RES_10HD: 303 1.2.2.2 nathanw mii->mii_media_active |= IFM_10_T; 304 1.2.2.2 nathanw break; 305 1.2.2.2 nathanw 306 1.2.2.2 nathanw default: 307 1.2.2.2 nathanw mii->mii_media_active |= IFM_NONE; 308 1.2.2.2 nathanw mii->mii_media_status = 0; 309 1.2.2.2 nathanw } 310 1.2.2.2 nathanw } else 311 1.2.2.2 nathanw mii->mii_media_active = ife->ifm_media; 312 1.2.2.2 nathanw } 313
Indexes created Sun Oct 19 16:10:00 GMT 2025