1 /*- 2 * Copyright (c) 2007 The DragonFly Project. All rights reserved. 3 * 4 * This code is derived from software contributed to The DragonFly Project 5 * by Sepherosa Ziehau <sepherosa@gmail.com> 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * 3. Neither the name of The DragonFly Project nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific, prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 25 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, 27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 29 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 31 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * $DragonFly: src/sys/dev/netif/mii_layer/truephy.c,v 1.3 2008/02/10 07:29:27 sephe Exp $ 35 * $FreeBSD$ 36 */ 37 38 #include <sys/param.h> 39 #include <sys/systm.h> 40 #include <sys/kernel.h> 41 #include <sys/socket.h> 42 #include <sys/errno.h> 43 #include <sys/module.h> 44 #include <sys/bus.h> 45 46 #include <net/if.h> 47 #include <net/if_var.h> 48 #include <net/if_media.h> 49 #include <net/if_arp.h> 50 #include <net/ethernet.h> 51 #include <net/if_vlan_var.h> 52 53 #include <dev/mii/mii.h> 54 #include <dev/mii/miivar.h> 55 #include "miidevs.h" 56 57 #include <dev/mii/truephyreg.h> 58 59 #include "miibus_if.h" 60 61 #define TRUEPHY_FRAMELEN(mtu) \ 62 (ETHER_HDR_LEN + ETHER_VLAN_ENCAP_LEN + (mtu) + ETHER_CRC_LEN) 63 64 static int truephy_service(struct mii_softc *, struct mii_data *, int); 65 static int truephy_attach(device_t); 66 static int truephy_probe(device_t); 67 static void truephy_reset(struct mii_softc *); 68 static void truephy_status(struct mii_softc *); 69 70 static device_method_t truephy_methods[] = { 71 /* device interface */ 72 DEVMETHOD(device_probe, truephy_probe), 73 DEVMETHOD(device_attach, truephy_attach), 74 DEVMETHOD(device_detach, mii_phy_detach), 75 DEVMETHOD(device_shutdown, bus_generic_shutdown), 76 DEVMETHOD_END 77 }; 78 79 static const struct mii_phydesc truephys[] = { 80 MII_PHY_DESC(AGERE, ET1011), 81 MII_PHY_DESC(AGERE, ET1011C), 82 MII_PHY_END 83 }; 84 85 static devclass_t truephy_devclass; 86 87 static driver_t truephy_driver = { 88 "truephy", 89 truephy_methods, 90 sizeof(struct mii_softc) 91 }; 92 93 DRIVER_MODULE(truephy, miibus, truephy_driver, truephy_devclass, 0, 0); 94 95 static const struct mii_phy_funcs truephy_funcs = { 96 truephy_service, 97 truephy_status, 98 truephy_reset 99 }; 100 101 static const struct truephy_dsp { 102 uint16_t index; 103 uint16_t data; 104 } truephy_dspcode[] = { 105 { 0x880b, 0x0926 }, /* AfeIfCreg4B1000Msbs */ 106 { 0x880c, 0x0926 }, /* AfeIfCreg4B100Msbs */ 107 { 0x880d, 0x0926 }, /* AfeIfCreg4B10Msbs */ 108 109 { 0x880e, 0xb4d3 }, /* AfeIfCreg4B1000Lsbs */ 110 { 0x880f, 0xb4d3 }, /* AfeIfCreg4B100Lsbs */ 111 { 0x8810, 0xb4d3 }, /* AfeIfCreg4B10Lsbs */ 112 113 { 0x8805, 0xb03e }, /* AfeIfCreg3B1000Msbs */ 114 { 0x8806, 0xb03e }, /* AfeIfCreg3B100Msbs */ 115 { 0x8807, 0xff00 }, /* AfeIfCreg3B10Msbs */ 116 117 { 0x8808, 0xe090 }, /* AfeIfCreg3B1000Lsbs */ 118 { 0x8809, 0xe110 }, /* AfeIfCreg3B100Lsbs */ 119 { 0x880a, 0x0000 }, /* AfeIfCreg3B10Lsbs */ 120 121 { 0x300d, 1 }, /* DisableNorm */ 122 123 { 0x280c, 0x0180 }, /* LinkHoldEnd */ 124 125 { 0x1c21, 0x0002 }, /* AlphaM */ 126 127 { 0x3821, 6 }, /* FfeLkgTx0 */ 128 { 0x381d, 1 }, /* FfeLkg1g4 */ 129 { 0x381e, 1 }, /* FfeLkg1g5 */ 130 { 0x381f, 1 }, /* FfeLkg1g6 */ 131 { 0x3820, 1 }, /* FfeLkg1g7 */ 132 133 { 0x8402, 0x01f0 }, /* Btinact */ 134 { 0x800e, 20 }, /* LftrainTime */ 135 { 0x800f, 24 }, /* DvguardTime */ 136 { 0x8010, 46 } /* IdlguardTime */ 137 }; 138 139 static int 140 truephy_probe(device_t dev) 141 { 142 143 return (mii_phy_dev_probe(dev, truephys, BUS_PROBE_DEFAULT)); 144 } 145 146 static int 147 truephy_attach(device_t dev) 148 { 149 struct mii_softc *sc; 150 151 sc = device_get_softc(dev); 152 153 mii_phy_dev_attach(dev, MIIF_NOISOLATE | MIIF_NOMANPAUSE, 154 &truephy_funcs, 0); 155 156 PHY_RESET(sc); 157 158 sc->mii_capabilities = PHY_READ(sc, MII_BMSR) & sc->mii_capmask; 159 if (sc->mii_capabilities & BMSR_EXTSTAT) { 160 sc->mii_extcapabilities = PHY_READ(sc, MII_EXTSR); 161 /* No 1000baseT half-duplex support */ 162 sc->mii_extcapabilities &= ~EXTSR_1000THDX; 163 } 164 165 device_printf(dev, " "); 166 mii_phy_add_media(sc); 167 printf("\n"); 168 169 MIIBUS_MEDIAINIT(sc->mii_dev); 170 return (0); 171 } 172 173 static int 174 truephy_service(struct mii_softc *sc, struct mii_data *mii, int cmd) 175 { 176 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 177 int bmcr; 178 179 switch (cmd) { 180 case MII_POLLSTAT: 181 break; 182 183 case MII_MEDIACHG: 184 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) { 185 bmcr = PHY_READ(sc, MII_BMCR) & ~BMCR_AUTOEN; 186 PHY_WRITE(sc, MII_BMCR, bmcr); 187 PHY_WRITE(sc, MII_BMCR, bmcr | BMCR_PDOWN); 188 } 189 190 mii_phy_setmedia(sc); 191 192 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) { 193 bmcr = PHY_READ(sc, MII_BMCR) & ~BMCR_PDOWN; 194 PHY_WRITE(sc, MII_BMCR, bmcr); 195 196 if (IFM_SUBTYPE(ife->ifm_media) == IFM_1000_T) { 197 PHY_WRITE(sc, MII_BMCR, 198 bmcr | BMCR_AUTOEN | BMCR_STARTNEG); 199 } 200 } 201 break; 202 203 case MII_TICK: 204 if (mii_phy_tick(sc) == EJUSTRETURN) 205 return (0); 206 break; 207 } 208 209 /* Update the media status. */ 210 PHY_STATUS(sc); 211 212 /* Callback if something changed. */ 213 mii_phy_update(sc, cmd); 214 return (0); 215 } 216 217 static void 218 truephy_reset(struct mii_softc *sc) 219 { 220 int i; 221 222 if (sc->mii_mpd_model == MII_MODEL_AGERE_ET1011) { 223 mii_phy_reset(sc); 224 return; 225 } 226 227 for (i = 0; i < 2; ++i) { 228 PHY_READ(sc, MII_PHYIDR1); 229 PHY_READ(sc, MII_PHYIDR2); 230 231 PHY_READ(sc, TRUEPHY_CTRL); 232 PHY_WRITE(sc, TRUEPHY_CTRL, 233 TRUEPHY_CTRL_DIAG | TRUEPHY_CTRL_RSV1); 234 235 PHY_WRITE(sc, TRUEPHY_INDEX, TRUEPHY_INDEX_MAGIC); 236 PHY_READ(sc, TRUEPHY_DATA); 237 238 PHY_WRITE(sc, TRUEPHY_CTRL, TRUEPHY_CTRL_RSV1); 239 } 240 241 PHY_READ(sc, MII_BMCR); 242 PHY_READ(sc, TRUEPHY_CTRL); 243 PHY_WRITE(sc, MII_BMCR, BMCR_AUTOEN | BMCR_PDOWN | BMCR_S1000); 244 PHY_WRITE(sc, TRUEPHY_CTRL, 245 TRUEPHY_CTRL_DIAG | TRUEPHY_CTRL_RSV1 | TRUEPHY_CTRL_RSV0); 246 247 for (i = 0; i < nitems(truephy_dspcode); ++i) { 248 const struct truephy_dsp *dsp = &truephy_dspcode[i]; 249 250 PHY_WRITE(sc, TRUEPHY_INDEX, dsp->index); 251 PHY_WRITE(sc, TRUEPHY_DATA, dsp->data); 252 253 PHY_WRITE(sc, TRUEPHY_INDEX, dsp->index); 254 PHY_READ(sc, TRUEPHY_DATA); 255 } 256 257 PHY_READ(sc, MII_BMCR); 258 PHY_READ(sc, TRUEPHY_CTRL); 259 PHY_WRITE(sc, MII_BMCR, BMCR_AUTOEN | BMCR_S1000); 260 PHY_WRITE(sc, TRUEPHY_CTRL, TRUEPHY_CTRL_RSV1); 261 262 mii_phy_reset(sc); 263 264 if (TRUEPHY_FRAMELEN((if_getmtu(sc->mii_pdata->mii_ifp)) > 2048)) { 265 int conf; 266 267 conf = PHY_READ(sc, TRUEPHY_CONF); 268 conf &= ~TRUEPHY_CONF_TXFIFO_MASK; 269 conf |= TRUEPHY_CONF_TXFIFO_24; 270 PHY_WRITE(sc, TRUEPHY_CONF, conf); 271 } 272 } 273 274 static void 275 truephy_status(struct mii_softc *sc) 276 { 277 struct mii_data *mii = sc->mii_pdata; 278 int bmsr, bmcr, sr; 279 280 mii->mii_media_status = IFM_AVALID; 281 mii->mii_media_active = IFM_ETHER; 282 283 sr = PHY_READ(sc, TRUEPHY_SR); 284 bmcr = PHY_READ(sc, MII_BMCR); 285 286 bmsr = PHY_READ(sc, MII_BMSR) | PHY_READ(sc, MII_BMSR); 287 if (bmsr & BMSR_LINK) 288 mii->mii_media_status |= IFM_ACTIVE; 289 290 if (bmcr & BMCR_AUTOEN) { 291 if ((bmsr & BMSR_ACOMP) == 0) { 292 mii->mii_media_active |= IFM_NONE; 293 return; 294 } 295 } 296 297 switch (sr & TRUEPHY_SR_SPD_MASK) { 298 case TRUEPHY_SR_SPD_1000T: 299 mii->mii_media_active |= IFM_1000_T; 300 break; 301 case TRUEPHY_SR_SPD_100TX: 302 mii->mii_media_active |= IFM_100_TX; 303 break; 304 case TRUEPHY_SR_SPD_10T: 305 mii->mii_media_active |= IFM_10_T; 306 break; 307 default: 308 /* XXX will this ever happen? */ 309 printf("invalid media SR %#x\n", sr); 310 mii->mii_media_active |= IFM_NONE; 311 return; 312 } 313 314 if (sr & TRUEPHY_SR_FDX) 315 mii->mii_media_active |= IFM_FDX | mii_phy_flowstatus(sc); 316 else 317 mii->mii_media_active |= IFM_HDX; 318 } 319