gphyter.c revision 1.3.2.7
1 1.3.2.7 nathanw /* $NetBSD: gphyter.c,v 1.3.2.7 2002/08/01 02:45:04 nathanw Exp $ */ 2 1.3.2.2 nathanw 3 1.3.2.2 nathanw /*- 4 1.3.2.2 nathanw * Copyright (c) 1998, 1999, 2000, 2001 The NetBSD Foundation, Inc. 5 1.3.2.2 nathanw * All rights reserved. 6 1.3.2.2 nathanw * 7 1.3.2.2 nathanw * This code is derived from software contributed to The NetBSD Foundation 8 1.3.2.2 nathanw * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9 1.3.2.2 nathanw * NASA Ames Research Center. 10 1.3.2.2 nathanw * 11 1.3.2.2 nathanw * Redistribution and use in source and binary forms, with or without 12 1.3.2.2 nathanw * modification, are permitted provided that the following conditions 13 1.3.2.2 nathanw * are met: 14 1.3.2.2 nathanw * 1. Redistributions of source code must retain the above copyright 15 1.3.2.2 nathanw * notice, this list of conditions and the following disclaimer. 16 1.3.2.2 nathanw * 2. Redistributions in binary form must reproduce the above copyright 17 1.3.2.2 nathanw * notice, this list of conditions and the following disclaimer in the 18 1.3.2.2 nathanw * documentation and/or other materials provided with the distribution. 19 1.3.2.2 nathanw * 3. All advertising materials mentioning features or use of this software 20 1.3.2.2 nathanw * must display the following acknowledgement: 21 1.3.2.2 nathanw * This product includes software developed by the NetBSD 22 1.3.2.2 nathanw * Foundation, Inc. and its contributors. 23 1.3.2.2 nathanw * 4. Neither the name of The NetBSD Foundation nor the names of its 24 1.3.2.2 nathanw * contributors may be used to endorse or promote products derived 25 1.3.2.2 nathanw * from this software without specific prior written permission. 26 1.3.2.2 nathanw * 27 1.3.2.2 nathanw * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 1.3.2.2 nathanw * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 1.3.2.2 nathanw * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 1.3.2.2 nathanw * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 1.3.2.2 nathanw * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 1.3.2.2 nathanw * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 1.3.2.2 nathanw * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 1.3.2.2 nathanw * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 1.3.2.2 nathanw * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 1.3.2.2 nathanw * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 1.3.2.2 nathanw * POSSIBILITY OF SUCH DAMAGE. 38 1.3.2.2 nathanw */ 39 1.3.2.2 nathanw 40 1.3.2.2 nathanw /* 41 1.3.2.2 nathanw * Copyright (c) 1997 Manuel Bouyer. All rights reserved. 42 1.3.2.2 nathanw * 43 1.3.2.2 nathanw * Redistribution and use in source and binary forms, with or without 44 1.3.2.2 nathanw * modification, are permitted provided that the following conditions 45 1.3.2.2 nathanw * are met: 46 1.3.2.2 nathanw * 1. Redistributions of source code must retain the above copyright 47 1.3.2.2 nathanw * notice, this list of conditions and the following disclaimer. 48 1.3.2.2 nathanw * 2. Redistributions in binary form must reproduce the above copyright 49 1.3.2.2 nathanw * notice, this list of conditions and the following disclaimer in the 50 1.3.2.2 nathanw * documentation and/or other materials provided with the distribution. 51 1.3.2.2 nathanw * 3. All advertising materials mentioning features or use of this software 52 1.3.2.2 nathanw * must display the following acknowledgement: 53 1.3.2.2 nathanw * This product includes software developed by Manuel Bouyer. 54 1.3.2.2 nathanw * 4. The name of the author may not be used to endorse or promote products 55 1.3.2.2 nathanw * derived from this software without specific prior written permission. 56 1.3.2.2 nathanw * 57 1.3.2.2 nathanw * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 58 1.3.2.2 nathanw * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 59 1.3.2.2 nathanw * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 60 1.3.2.2 nathanw * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 61 1.3.2.2 nathanw * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 62 1.3.2.2 nathanw * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 63 1.3.2.2 nathanw * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 64 1.3.2.2 nathanw * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 65 1.3.2.2 nathanw * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 66 1.3.2.2 nathanw * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 67 1.3.2.2 nathanw */ 68 1.3.2.2 nathanw 69 1.3.2.2 nathanw /* 70 1.3.2.2 nathanw * driver for National Semiconductor's DP83891 and DP83861 `Gig PHYTER' 71 1.3.2.2 nathanw * ethernet 10/100/1000 PHYs. The DP83891 is an older, non-firmware- 72 1.3.2.2 nathanw * driven version of the DP83861. 73 1.3.2.2 nathanw * 74 1.3.2.2 nathanw * Data Sheet available from www.national.com 75 1.3.2.2 nathanw */ 76 1.3.2.2 nathanw 77 1.3.2.5 nathanw #include <sys/cdefs.h> 78 1.3.2.7 nathanw __KERNEL_RCSID(0, "$NetBSD: gphyter.c,v 1.3.2.7 2002/08/01 02:45:04 nathanw Exp $"); 79 1.3.2.5 nathanw 80 1.3.2.2 nathanw #include <sys/param.h> 81 1.3.2.2 nathanw #include <sys/systm.h> 82 1.3.2.2 nathanw #include <sys/kernel.h> 83 1.3.2.2 nathanw #include <sys/device.h> 84 1.3.2.2 nathanw #include <sys/socket.h> 85 1.3.2.2 nathanw #include <sys/errno.h> 86 1.3.2.2 nathanw 87 1.3.2.2 nathanw #include <net/if.h> 88 1.3.2.2 nathanw #include <net/if_media.h> 89 1.3.2.2 nathanw 90 1.3.2.2 nathanw #include <dev/mii/mii.h> 91 1.3.2.2 nathanw #include <dev/mii/miivar.h> 92 1.3.2.2 nathanw #include <dev/mii/miidevs.h> 93 1.3.2.2 nathanw 94 1.3.2.2 nathanw #include <dev/mii/gphyterreg.h> 95 1.3.2.2 nathanw 96 1.3.2.4 nathanw int gphytermatch(struct device *, struct cfdata *, void *); 97 1.3.2.4 nathanw void gphyterattach(struct device *, struct device *, void *); 98 1.3.2.2 nathanw 99 1.3.2.2 nathanw struct cfattach gphyter_ca = { 100 1.3.2.2 nathanw sizeof(struct mii_softc), gphytermatch, gphyterattach, 101 1.3.2.2 nathanw mii_phy_detach, mii_phy_activate 102 1.3.2.2 nathanw }; 103 1.3.2.2 nathanw 104 1.3.2.4 nathanw int gphyter_service(struct mii_softc *, struct mii_data *, int); 105 1.3.2.4 nathanw void gphyter_status(struct mii_softc *); 106 1.3.2.2 nathanw 107 1.3.2.2 nathanw const struct mii_phy_funcs gphyter_funcs = { 108 1.3.2.2 nathanw gphyter_service, gphyter_status, mii_phy_reset, 109 1.3.2.2 nathanw }; 110 1.3.2.2 nathanw 111 1.3.2.2 nathanw const struct mii_phydesc gphyters[] = { 112 1.3.2.2 nathanw { MII_OUI_xxNATSEMI, MII_MODEL_xxNATSEMI_DP83861, 113 1.3.2.2 nathanw MII_STR_xxNATSEMI_DP83861 }, 114 1.3.2.2 nathanw 115 1.3.2.2 nathanw { MII_OUI_xxNATSEMI, MII_MODEL_xxNATSEMI_DP83891, 116 1.3.2.2 nathanw MII_STR_xxNATSEMI_DP83891 }, 117 1.3.2.2 nathanw 118 1.3.2.2 nathanw { 0, 0, 119 1.3.2.2 nathanw NULL }, 120 1.3.2.2 nathanw }; 121 1.3.2.2 nathanw 122 1.3.2.2 nathanw int 123 1.3.2.4 nathanw gphytermatch(struct device *parent, struct cfdata *match, void *aux) 124 1.3.2.2 nathanw { 125 1.3.2.2 nathanw struct mii_attach_args *ma = aux; 126 1.3.2.2 nathanw 127 1.3.2.2 nathanw if (mii_phy_match(ma, gphyters) != NULL) 128 1.3.2.2 nathanw return (10); 129 1.3.2.2 nathanw 130 1.3.2.2 nathanw return (0); 131 1.3.2.2 nathanw } 132 1.3.2.2 nathanw 133 1.3.2.2 nathanw void 134 1.3.2.4 nathanw gphyterattach(struct device *parent, struct device *self, void *aux) 135 1.3.2.2 nathanw { 136 1.3.2.2 nathanw struct mii_softc *sc = (struct mii_softc *)self; 137 1.3.2.2 nathanw struct mii_attach_args *ma = aux; 138 1.3.2.2 nathanw struct mii_data *mii = ma->mii_data; 139 1.3.2.2 nathanw const struct mii_phydesc *mpd; 140 1.3.2.2 nathanw int anar, strap; 141 1.3.2.2 nathanw 142 1.3.2.2 nathanw mpd = mii_phy_match(ma, gphyters); 143 1.3.2.2 nathanw printf(": %s, rev. %d\n", mpd->mpd_name, MII_REV(ma->mii_id2)); 144 1.3.2.2 nathanw 145 1.3.2.2 nathanw sc->mii_inst = mii->mii_instance; 146 1.3.2.2 nathanw sc->mii_phy = ma->mii_phyno; 147 1.3.2.2 nathanw sc->mii_funcs = &gphyter_funcs; 148 1.3.2.2 nathanw sc->mii_pdata = mii; 149 1.3.2.6 nathanw sc->mii_flags = ma->mii_flags; 150 1.3.2.2 nathanw sc->mii_anegticks = 5; 151 1.3.2.2 nathanw 152 1.3.2.2 nathanw PHY_RESET(sc); 153 1.3.2.2 nathanw 154 1.3.2.2 nathanw sc->mii_capabilities = 155 1.3.2.2 nathanw PHY_READ(sc, MII_BMSR) & ma->mii_capmask; 156 1.3.2.2 nathanw if (sc->mii_capabilities & BMSR_EXTSTAT) 157 1.3.2.2 nathanw sc->mii_extcapabilities = PHY_READ(sc, MII_EXTSR); 158 1.3.2.2 nathanw 159 1.3.2.2 nathanw /* 160 1.3.2.2 nathanw * The Gig PHYTER seems to have the 10baseT BMSR bits 161 1.3.2.2 nathanw * hard-wired to 0, even though the device supports 162 1.3.2.2 nathanw * 10baseT. What we do instead is read the post-reset 163 1.3.2.2 nathanw * ANAR, who's 10baseT-related bits are set by strapping 164 1.3.2.2 nathanw * pin 180, and fake the BMSR bits. 165 1.3.2.2 nathanw */ 166 1.3.2.2 nathanw anar = PHY_READ(sc, MII_ANAR); 167 1.3.2.2 nathanw if (anar & ANAR_10) 168 1.3.2.2 nathanw sc->mii_capabilities |= (BMSR_10THDX & ma->mii_capmask); 169 1.3.2.2 nathanw if (anar & ANAR_10_FD) 170 1.3.2.2 nathanw sc->mii_capabilities |= (BMSR_10TFDX & ma->mii_capmask); 171 1.3.2.2 nathanw 172 1.3.2.2 nathanw printf("%s: ", sc->mii_dev.dv_xname); 173 1.3.2.2 nathanw if ((sc->mii_capabilities & BMSR_MEDIAMASK) == 0 && 174 1.3.2.2 nathanw (sc->mii_extcapabilities & EXTSR_MEDIAMASK) == 0) 175 1.3.2.2 nathanw printf("no media present"); 176 1.3.2.2 nathanw else 177 1.3.2.2 nathanw mii_phy_add_media(sc); 178 1.3.2.2 nathanw printf("\n"); 179 1.3.2.2 nathanw 180 1.3.2.2 nathanw strap = PHY_READ(sc, MII_GPHYTER_STRAP); 181 1.3.2.2 nathanw printf("%s: strapped to %s mode", sc->mii_dev.dv_xname, 182 1.3.2.2 nathanw (strap & STRAP_MS_VAL) ? "master" : "slave"); 183 1.3.2.2 nathanw if (strap & STRAP_NC_MODE) 184 1.3.2.2 nathanw printf(", pre-C5 BCM5400 compat enabled"); 185 1.3.2.2 nathanw printf("\n"); 186 1.3.2.2 nathanw } 187 1.3.2.2 nathanw 188 1.3.2.2 nathanw int 189 1.3.2.4 nathanw gphyter_service(struct mii_softc *sc, struct mii_data *mii, int cmd) 190 1.3.2.2 nathanw { 191 1.3.2.2 nathanw struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 192 1.3.2.2 nathanw int reg; 193 1.3.2.2 nathanw 194 1.3.2.2 nathanw switch (cmd) { 195 1.3.2.2 nathanw case MII_POLLSTAT: 196 1.3.2.2 nathanw /* 197 1.3.2.2 nathanw * If we're not polling our PHY instance, just return. 198 1.3.2.2 nathanw */ 199 1.3.2.2 nathanw if (IFM_INST(ife->ifm_media) != sc->mii_inst) 200 1.3.2.2 nathanw return (0); 201 1.3.2.2 nathanw break; 202 1.3.2.2 nathanw 203 1.3.2.2 nathanw case MII_MEDIACHG: 204 1.3.2.2 nathanw /* 205 1.3.2.2 nathanw * If the media indicates a different PHY instance, 206 1.3.2.2 nathanw * isolate ourselves. 207 1.3.2.2 nathanw */ 208 1.3.2.2 nathanw if (IFM_INST(ife->ifm_media) != sc->mii_inst) { 209 1.3.2.2 nathanw reg = PHY_READ(sc, MII_BMCR); 210 1.3.2.2 nathanw PHY_WRITE(sc, MII_BMCR, reg | BMCR_ISO); 211 1.3.2.2 nathanw return (0); 212 1.3.2.2 nathanw } 213 1.3.2.2 nathanw 214 1.3.2.2 nathanw /* 215 1.3.2.2 nathanw * If the interface is not up, don't do anything. 216 1.3.2.2 nathanw */ 217 1.3.2.2 nathanw if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 218 1.3.2.2 nathanw break; 219 1.3.2.2 nathanw 220 1.3.2.2 nathanw mii_phy_setmedia(sc); 221 1.3.2.2 nathanw break; 222 1.3.2.2 nathanw 223 1.3.2.2 nathanw case MII_TICK: 224 1.3.2.2 nathanw /* 225 1.3.2.2 nathanw * If we're not currently selected, just return. 226 1.3.2.2 nathanw */ 227 1.3.2.2 nathanw if (IFM_INST(ife->ifm_media) != sc->mii_inst) 228 1.3.2.2 nathanw return (0); 229 1.3.2.2 nathanw 230 1.3.2.2 nathanw if (mii_phy_tick(sc) == EJUSTRETURN) 231 1.3.2.2 nathanw return (0); 232 1.3.2.2 nathanw break; 233 1.3.2.2 nathanw 234 1.3.2.2 nathanw case MII_DOWN: 235 1.3.2.2 nathanw mii_phy_down(sc); 236 1.3.2.2 nathanw return (0); 237 1.3.2.2 nathanw } 238 1.3.2.2 nathanw 239 1.3.2.2 nathanw /* Update the media status. */ 240 1.3.2.2 nathanw mii_phy_status(sc); 241 1.3.2.2 nathanw 242 1.3.2.2 nathanw /* Callback if something changed. */ 243 1.3.2.2 nathanw mii_phy_update(sc, cmd); 244 1.3.2.2 nathanw return (0); 245 1.3.2.2 nathanw } 246 1.3.2.2 nathanw 247 1.3.2.2 nathanw void 248 1.3.2.4 nathanw gphyter_status(struct mii_softc *sc) 249 1.3.2.2 nathanw { 250 1.3.2.2 nathanw struct mii_data *mii = sc->mii_pdata; 251 1.3.2.2 nathanw struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 252 1.3.2.2 nathanw int bmsr, bmcr, physup, gtsr; 253 1.3.2.2 nathanw 254 1.3.2.2 nathanw mii->mii_media_status = IFM_AVALID; 255 1.3.2.2 nathanw mii->mii_media_active = IFM_ETHER; 256 1.3.2.2 nathanw 257 1.3.2.2 nathanw bmsr = PHY_READ(sc, MII_BMSR) | PHY_READ(sc, MII_BMSR); 258 1.3.2.2 nathanw 259 1.3.2.2 nathanw physup = PHY_READ(sc, MII_GPHYTER_PHY_SUP); 260 1.3.2.2 nathanw 261 1.3.2.2 nathanw if (physup & PHY_SUP_LINK) 262 1.3.2.2 nathanw mii->mii_media_status |= IFM_ACTIVE; 263 1.3.2.2 nathanw 264 1.3.2.2 nathanw bmcr = PHY_READ(sc, MII_BMCR); 265 1.3.2.2 nathanw if (bmcr & BMCR_ISO) { 266 1.3.2.2 nathanw mii->mii_media_active |= IFM_NONE; 267 1.3.2.2 nathanw mii->mii_media_status = 0; 268 1.3.2.2 nathanw return; 269 1.3.2.2 nathanw } 270 1.3.2.2 nathanw 271 1.3.2.2 nathanw if (bmcr & BMCR_LOOP) 272 1.3.2.2 nathanw mii->mii_media_active |= IFM_LOOP; 273 1.3.2.2 nathanw 274 1.3.2.2 nathanw if (bmcr & BMCR_AUTOEN) { 275 1.3.2.2 nathanw /* 276 1.3.2.2 nathanw * The media status bits are only valid of autonegotiation 277 1.3.2.2 nathanw * has completed (or it's disabled). 278 1.3.2.2 nathanw */ 279 1.3.2.2 nathanw if ((bmsr & BMSR_ACOMP) == 0) { 280 1.3.2.2 nathanw /* Erg, still trying, I guess... */ 281 1.3.2.2 nathanw mii->mii_media_active |= IFM_NONE; 282 1.3.2.2 nathanw return; 283 1.3.2.2 nathanw } 284 1.3.2.2 nathanw 285 1.3.2.2 nathanw switch (physup & (PHY_SUP_SPEED1|PHY_SUP_SPEED0)) { 286 1.3.2.2 nathanw case PHY_SUP_SPEED1: 287 1.3.2.3 nathanw mii->mii_media_active |= IFM_1000_T; 288 1.3.2.2 nathanw gtsr = PHY_READ(sc, MII_100T2SR); 289 1.3.2.2 nathanw if (gtsr & GTSR_MS_RES) 290 1.3.2.2 nathanw mii->mii_media_active |= IFM_ETH_MASTER; 291 1.3.2.2 nathanw break; 292 1.3.2.2 nathanw 293 1.3.2.2 nathanw case PHY_SUP_SPEED0: 294 1.3.2.2 nathanw mii->mii_media_active |= IFM_100_TX; 295 1.3.2.2 nathanw break; 296 1.3.2.2 nathanw 297 1.3.2.2 nathanw case 0: 298 1.3.2.2 nathanw mii->mii_media_active |= IFM_10_T; 299 1.3.2.2 nathanw break; 300 1.3.2.2 nathanw 301 1.3.2.2 nathanw default: 302 1.3.2.2 nathanw mii->mii_media_active |= IFM_NONE; 303 1.3.2.2 nathanw mii->mii_media_status = 0; 304 1.3.2.2 nathanw } 305 1.3.2.2 nathanw if (physup & PHY_SUP_DUPLEX) 306 1.3.2.2 nathanw mii->mii_media_active |= IFM_FDX; 307 1.3.2.2 nathanw } else 308 1.3.2.2 nathanw mii->mii_media_active = ife->ifm_media; 309 1.3.2.2 nathanw } 310
Indexes created Wed Oct 22 13:09:56 GMT 2025