/*- * SPDX-License-Identifier: BSD-4-Clause * * Copyright (c) 2000 * Bill Paul . All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Bill Paul. * 4. Neither the name of the author nor the names of any co-contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF * THE POSSIBILITY OF SUCH DAMAGE. */ #include /* * Driver for the Broadcom BCM54xx/57xx 1000baseTX PHY. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include "miidevs.h" #include #include #include #include #include #include #include #include "miibus_if.h" static int brgphy_probe(device_t); static int brgphy_attach(device_t); struct brgphy_softc { struct mii_softc mii_sc; int serdes_flags; /* Keeps track of the serdes type used */ #define BRGPHY_5706S 0x0001 #define BRGPHY_5708S 0x0002 #define BRGPHY_NOANWAIT 0x0004 #define BRGPHY_5709S 0x0008 int bce_phy_flags; /* PHY flags transferred from the MAC driver */ }; static device_method_t brgphy_methods[] = { /* device interface */ DEVMETHOD(device_probe, brgphy_probe), DEVMETHOD(device_attach, brgphy_attach), DEVMETHOD(device_detach, mii_phy_detach), DEVMETHOD(device_shutdown, bus_generic_shutdown), DEVMETHOD_END }; static devclass_t brgphy_devclass; static driver_t brgphy_driver = { "brgphy", brgphy_methods, sizeof(struct brgphy_softc) }; DRIVER_MODULE(brgphy, miibus, brgphy_driver, brgphy_devclass, 0, 0); static int brgphy_service(struct mii_softc *, struct mii_data *, int); static void brgphy_setmedia(struct mii_softc *, int); static void brgphy_status(struct mii_softc *); static void brgphy_mii_phy_auto(struct mii_softc *, int); static void brgphy_reset(struct mii_softc *); static void brgphy_enable_loopback(struct mii_softc *); static void bcm5401_load_dspcode(struct mii_softc *); static void bcm5411_load_dspcode(struct mii_softc *); static void bcm54k2_load_dspcode(struct mii_softc *); static void brgphy_fixup_5704_a0_bug(struct mii_softc *); static void brgphy_fixup_adc_bug(struct mii_softc *); static void brgphy_fixup_adjust_trim(struct mii_softc *); static void brgphy_fixup_ber_bug(struct mii_softc *); static void brgphy_fixup_crc_bug(struct mii_softc *); static void brgphy_fixup_jitter_bug(struct mii_softc *); static void brgphy_ethernet_wirespeed(struct mii_softc *); static void brgphy_bcm54xx_clock_delay(struct mii_softc *); static void brgphy_jumbo_settings(struct mii_softc *, u_long); static const struct mii_phydesc brgphys[] = { MII_PHY_DESC(BROADCOM, BCM5400), MII_PHY_DESC(BROADCOM, BCM5401), MII_PHY_DESC(BROADCOM, BCM5402), MII_PHY_DESC(BROADCOM, BCM5411), MII_PHY_DESC(BROADCOM, BCM5404), MII_PHY_DESC(BROADCOM, BCM5424), MII_PHY_DESC(BROADCOM, BCM54K2), MII_PHY_DESC(BROADCOM, BCM5701), MII_PHY_DESC(BROADCOM, BCM5703), MII_PHY_DESC(BROADCOM, BCM5704), MII_PHY_DESC(BROADCOM, BCM5705), MII_PHY_DESC(BROADCOM, BCM5706), MII_PHY_DESC(BROADCOM, BCM5714), MII_PHY_DESC(BROADCOM, BCM5421), MII_PHY_DESC(BROADCOM, BCM5750), MII_PHY_DESC(BROADCOM, BCM5752), MII_PHY_DESC(BROADCOM, BCM5780), MII_PHY_DESC(BROADCOM, BCM5708C), MII_PHY_DESC(BROADCOM, BCM5466), MII_PHY_DESC(BROADCOM2, BCM5478), MII_PHY_DESC(BROADCOM2, BCM5488), MII_PHY_DESC(BROADCOM2, BCM5482), MII_PHY_DESC(BROADCOM2, BCM5708S), MII_PHY_DESC(BROADCOM2, BCM5709C), MII_PHY_DESC(BROADCOM2, BCM5709S), MII_PHY_DESC(BROADCOM2, BCM5709CAX), MII_PHY_DESC(BROADCOM2, BCM5722), MII_PHY_DESC(BROADCOM2, BCM5755), MII_PHY_DESC(BROADCOM2, BCM5754), MII_PHY_DESC(BROADCOM2, BCM5761), MII_PHY_DESC(BROADCOM2, BCM5784), #ifdef notyet /* better handled by ukphy(4) until WARs are implemented */ MII_PHY_DESC(BROADCOM2, BCM5785), #endif MII_PHY_DESC(BROADCOM3, BCM54618SE), MII_PHY_DESC(BROADCOM3, BCM5717C), MII_PHY_DESC(BROADCOM3, BCM5719C), MII_PHY_DESC(BROADCOM3, BCM5720C), MII_PHY_DESC(BROADCOM3, BCM57765), MII_PHY_DESC(BROADCOM3, BCM57780), MII_PHY_DESC(BROADCOM4, BCM54213PE), MII_PHY_DESC(BROADCOM4, BCM5725C), MII_PHY_DESC(xxBROADCOM_ALT1, BCM5906), MII_PHY_END }; static const struct mii_phy_funcs brgphy_funcs = { brgphy_service, brgphy_status, brgphy_reset }; static const struct hs21_type { const uint32_t id; const char *prod; } hs21_type_lists[] = { { 0x57081021, "IBM eServer BladeCenter HS21" }, { 0x57081011, "IBM eServer BladeCenter HS21 -[8853PAU]-" }, }; static int detect_hs21(struct bce_softc *bce_sc) { char *sysenv; int found, i; found = 0; sysenv = kern_getenv("smbios.system.product"); if (sysenv == NULL) return (found); for (i = 0; i < nitems(hs21_type_lists); i++) { if (bce_sc->bce_chipid == hs21_type_lists[i].id && strncmp(sysenv, hs21_type_lists[i].prod, strlen(hs21_type_lists[i].prod)) == 0) { found++; break; } } freeenv(sysenv); return (found); } /* Search for our PHY in the list of known PHYs */ static int brgphy_probe(device_t dev) { return (mii_phy_dev_probe(dev, brgphys, BUS_PROBE_DEFAULT)); } /* Attach the PHY to the MII bus */ static int brgphy_attach(device_t dev) { struct brgphy_softc *bsc; struct bge_softc *bge_sc = NULL; struct bce_softc *bce_sc = NULL; struct mii_softc *sc; bsc = device_get_softc(dev); sc = &bsc->mii_sc; mii_phy_dev_attach(dev, MIIF_NOISOLATE | MIIF_NOMANPAUSE, &brgphy_funcs, 0); bsc->serdes_flags = 0; /* Find the MAC driver associated with this PHY. */ if (mii_dev_mac_match(dev, "bge")) bge_sc = mii_dev_mac_softc(dev); else if (mii_dev_mac_match(dev, "bce")) bce_sc = mii_dev_mac_softc(dev); /* Handle any special cases based on the PHY ID */ switch (sc->mii_mpd_oui) { case MII_OUI_BROADCOM: switch (sc->mii_mpd_model) { case MII_MODEL_BROADCOM_BCM5706: case MII_MODEL_BROADCOM_BCM5714: /* * The 5464 PHY used in the 5706 supports both copper * and fiber interfaces over GMII. Need to check the * shadow registers to see which mode is actually * in effect, and therefore whether we have 5706C or * 5706S. */ PHY_WRITE(sc, BRGPHY_MII_SHADOW_1C, BRGPHY_SHADOW_1C_MODE_CTRL); if (PHY_READ(sc, BRGPHY_MII_SHADOW_1C) & BRGPHY_SHADOW_1C_ENA_1000X) { bsc->serdes_flags |= BRGPHY_5706S; sc->mii_flags |= MIIF_HAVEFIBER; } break; } break; case MII_OUI_BROADCOM2: switch (sc->mii_mpd_model) { case MII_MODEL_BROADCOM2_BCM5708S: bsc->serdes_flags |= BRGPHY_5708S; sc->mii_flags |= MIIF_HAVEFIBER; break; case MII_MODEL_BROADCOM2_BCM5709S: /* * XXX * 5720S and 5709S shares the same PHY id. * Assume 5720S PHY if parent device is bge(4). */ if (bge_sc != NULL) bsc->serdes_flags |= BRGPHY_5708S; else bsc->serdes_flags |= BRGPHY_5709S; sc->mii_flags |= MIIF_HAVEFIBER; break; } break; } PHY_RESET(sc); /* Read the PHY's capabilities. */ sc->mii_capabilities = PHY_READ(sc, MII_BMSR) & sc->mii_capmask; if (sc->mii_capabilities & BMSR_EXTSTAT) sc->mii_extcapabilities = PHY_READ(sc, MII_EXTSR); device_printf(dev, " "); /* Add the supported media types */ if ((sc->mii_flags & MIIF_HAVEFIBER) == 0) { mii_phy_add_media(sc); printf("\n"); } else { sc->mii_anegticks = MII_ANEGTICKS_GIGE; ifmedia_add(&sc->mii_pdata->mii_media, IFM_MAKEWORD(IFM_ETHER, IFM_1000_SX, IFM_FDX, sc->mii_inst), 0, NULL); printf("1000baseSX-FDX, "); /* * 2.5G support is a software enabled feature * on the 5708S and 5709S. */ if (bce_sc && (bce_sc->bce_phy_flags & BCE_PHY_2_5G_CAPABLE_FLAG)) { ifmedia_add(&sc->mii_pdata->mii_media, IFM_MAKEWORD(IFM_ETHER, IFM_2500_SX, IFM_FDX, sc->mii_inst), 0, NULL); printf("2500baseSX-FDX, "); } else if ((bsc->serdes_flags & BRGPHY_5708S) && bce_sc && (detect_hs21(bce_sc) != 0)) { /* * There appears to be certain silicon revision * in IBM HS21 blades that is having issues with * this driver wating for the auto-negotiation to * complete. This happens with a specific chip id * only and when the 1000baseSX-FDX is the only * mode. Workaround this issue since it's unlikely * to be ever addressed. */ printf("auto-neg workaround, "); bsc->serdes_flags |= BRGPHY_NOANWAIT; } ifmedia_add(&sc->mii_pdata->mii_media, IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, sc->mii_inst), 0, NULL); printf("auto\n"); } MIIBUS_MEDIAINIT(sc->mii_dev); return (0); } static int brgphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd) { struct ifmedia_entry *ife = mii->mii_media.ifm_cur; int val; switch (cmd) { case MII_POLLSTAT: break; case MII_MEDIACHG: /* Todo: Why is this here? Is it really needed? */ PHY_RESET(sc); /* XXX hardware bug work-around */ switch (IFM_SUBTYPE(ife->ifm_media)) { case IFM_AUTO: brgphy_mii_phy_auto(sc, ife->ifm_media); break; case IFM_2500_SX: case IFM_1000_SX: case IFM_1000_T: case IFM_100_TX: case IFM_10_T: brgphy_setmedia(sc, ife->ifm_media); break; default: return (EINVAL); } break; case MII_TICK: /* Bail if autoneg isn't in process. */ if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) { sc->mii_ticks = 0; break; } /* * Check to see if we have link. If we do, we don't * need to restart the autonegotiation process. */ val = PHY_READ(sc, MII_BMSR) | PHY_READ(sc, MII_BMSR); if (val & BMSR_LINK) { sc->mii_ticks = 0; /* Reset autoneg timer. */ break; } /* Announce link loss right after it happens. */ if (sc->mii_ticks++ == 0) break; /* Only retry autonegotiation every mii_anegticks seconds. */ if (sc->mii_ticks <= sc->mii_anegticks) break; /* Retry autonegotiation */ sc->mii_ticks = 0; brgphy_mii_phy_auto(sc, ife->ifm_media); break; } /* Update the media status. */ PHY_STATUS(sc); /* * Callback if something changed. Note that we need to poke * the DSP on the Broadcom PHYs if the media changes. */ if (sc->mii_media_active != mii->mii_media_active || sc->mii_media_status != mii->mii_media_status || cmd == MII_MEDIACHG) { switch (sc->mii_mpd_oui) { case MII_OUI_BROADCOM: switch (sc->mii_mpd_model) { case MII_MODEL_BROADCOM_BCM5400: bcm5401_load_dspcode(sc); break; case MII_MODEL_BROADCOM_BCM5401: if (sc->mii_mpd_rev == 1 || sc->mii_mpd_rev == 3) bcm5401_load_dspcode(sc); break; case MII_MODEL_BROADCOM_BCM5411: bcm5411_load_dspcode(sc); break; case MII_MODEL_BROADCOM_BCM54K2: bcm54k2_load_dspcode(sc); break; } break; case MII_OUI_BROADCOM4: switch (sc->mii_mpd_model) { case MII_MODEL_BROADCOM4_BCM54213PE: brgphy_bcm54xx_clock_delay(sc); break; } } } mii_phy_update(sc, cmd); return (0); } /****************************************************************************/ /* Sets the PHY link speed. */ /* */ /* Returns: */ /* None */ /****************************************************************************/ static void brgphy_setmedia(struct mii_softc *sc, int media) { int bmcr = 0, gig; switch (IFM_SUBTYPE(media)) { case IFM_2500_SX: break; case IFM_1000_SX: case IFM_1000_T: bmcr = BRGPHY_S1000; break; case IFM_100_TX: bmcr = BRGPHY_S100; break; case IFM_10_T: default: bmcr = BRGPHY_S10; break; } if ((media & IFM_FDX) != 0) { bmcr |= BRGPHY_BMCR_FDX; gig = BRGPHY_1000CTL_AFD; } else { gig = BRGPHY_1000CTL_AHD; } /* Force loopback to disconnect PHY from Ethernet medium. */ brgphy_enable_loopback(sc); PHY_WRITE(sc, BRGPHY_MII_1000CTL, 0); PHY_WRITE(sc, BRGPHY_MII_ANAR, BRGPHY_SEL_TYPE); if (IFM_SUBTYPE(media) != IFM_1000_T && IFM_SUBTYPE(media) != IFM_1000_SX) { PHY_WRITE(sc, BRGPHY_MII_BMCR, bmcr); return; } if (IFM_SUBTYPE(media) == IFM_1000_T) { gig |= BRGPHY_1000CTL_MSE; if ((media & IFM_ETH_MASTER) != 0) gig |= BRGPHY_1000CTL_MSC; } PHY_WRITE(sc, BRGPHY_MII_1000CTL, gig); PHY_WRITE(sc, BRGPHY_MII_BMCR, bmcr | BRGPHY_BMCR_AUTOEN | BRGPHY_BMCR_STARTNEG); } /****************************************************************************/ /* Set the media status based on the PHY settings. */ /* */ /* Returns: */ /* None */ /****************************************************************************/ static void brgphy_status(struct mii_softc *sc) { struct brgphy_softc *bsc = (struct brgphy_softc *)sc; struct mii_data *mii = sc->mii_pdata; int aux, bmcr, bmsr, val, xstat; u_int flowstat; mii->mii_media_status = IFM_AVALID; mii->mii_media_active = IFM_ETHER; bmsr = PHY_READ(sc, BRGPHY_MII_BMSR) | PHY_READ(sc, BRGPHY_MII_BMSR); bmcr = PHY_READ(sc, BRGPHY_MII_BMCR); if (bmcr & BRGPHY_BMCR_LOOP) { mii->mii_media_active |= IFM_LOOP; } if ((bmcr & BRGPHY_BMCR_AUTOEN) && (bmsr & BRGPHY_BMSR_ACOMP) == 0 && (bsc->serdes_flags & BRGPHY_NOANWAIT) == 0) { /* Erg, still trying, I guess... */ mii->mii_media_active |= IFM_NONE; return; } if ((sc->mii_flags & MIIF_HAVEFIBER) == 0) { /* * NB: reading the ANAR, ANLPAR or 1000STS after the AUXSTS * wedges at least the PHY of BCM5704 (but not others). */ flowstat = mii_phy_flowstatus(sc); xstat = PHY_READ(sc, BRGPHY_MII_1000STS); aux = PHY_READ(sc, BRGPHY_MII_AUXSTS); /* If copper link is up, get the negotiated speed/duplex. */ if (aux & BRGPHY_AUXSTS_LINK) { mii->mii_media_status |= IFM_ACTIVE; switch (aux & BRGPHY_AUXSTS_AN_RES) { case BRGPHY_RES_1000FD: mii->mii_media_active |= IFM_1000_T | IFM_FDX; break; case BRGPHY_RES_1000HD: mii->mii_media_active |= IFM_1000_T | IFM_HDX; break; case BRGPHY_RES_100FD: mii->mii_media_active |= IFM_100_TX | IFM_FDX; break; case BRGPHY_RES_100T4: mii->mii_media_active |= IFM_100_T4; break; case BRGPHY_RES_100HD: mii->mii_media_active |= IFM_100_TX | IFM_HDX; break; case BRGPHY_RES_10FD: mii->mii_media_active |= IFM_10_T | IFM_FDX; break; case BRGPHY_RES_10HD: mii->mii_media_active |= IFM_10_T | IFM_HDX; break; default: mii->mii_media_active |= IFM_NONE; break; } if ((mii->mii_media_active & IFM_FDX) != 0) mii->mii_media_active |= flowstat; if (IFM_SUBTYPE(mii->mii_media_active) == IFM_1000_T && (xstat & BRGPHY_1000STS_MSR) != 0) mii->mii_media_active |= IFM_ETH_MASTER; } } else { /* Todo: Add support for flow control. */ /* If serdes link is up, get the negotiated speed/duplex. */ if (bmsr & BRGPHY_BMSR_LINK) { mii->mii_media_status |= IFM_ACTIVE; } /* Check the link speed/duplex based on the PHY type. */ if (bsc->serdes_flags & BRGPHY_5706S) { mii->mii_media_active |= IFM_1000_SX; /* If autoneg enabled, read negotiated duplex settings */ if (bmcr & BRGPHY_BMCR_AUTOEN) { val = PHY_READ(sc, BRGPHY_SERDES_ANAR) & PHY_READ(sc, BRGPHY_SERDES_ANLPAR); if (val & BRGPHY_SERDES_ANAR_FDX) mii->mii_media_active |= IFM_FDX; else mii->mii_media_active |= IFM_HDX; } } else if (bsc->serdes_flags & BRGPHY_5708S) { PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR, BRGPHY_5708S_DIG_PG0); xstat = PHY_READ(sc, BRGPHY_5708S_PG0_1000X_STAT1); /* Check for MRBE auto-negotiated speed results. */ switch (xstat & BRGPHY_5708S_PG0_1000X_STAT1_SPEED_MASK) { case BRGPHY_5708S_PG0_1000X_STAT1_SPEED_10: mii->mii_media_active |= IFM_10_FL; break; case BRGPHY_5708S_PG0_1000X_STAT1_SPEED_100: mii->mii_media_active |= IFM_100_FX; break; case BRGPHY_5708S_PG0_1000X_STAT1_SPEED_1G: mii->mii_media_active |= IFM_1000_SX; break; case BRGPHY_5708S_PG0_1000X_STAT1_SPEED_25G: mii->mii_media_active |= IFM_2500_SX; break; } /* Check for MRBE auto-negotiated duplex results. */ if (xstat & BRGPHY_5708S_PG0_1000X_STAT1_FDX) mii->mii_media_active |= IFM_FDX; else mii->mii_media_active |= IFM_HDX; } else if (bsc->serdes_flags & BRGPHY_5709S) { /* Select GP Status Block of the AN MMD, get autoneg results. */ PHY_WRITE(sc, BRGPHY_BLOCK_ADDR, BRGPHY_BLOCK_ADDR_GP_STATUS); xstat = PHY_READ(sc, BRGPHY_GP_STATUS_TOP_ANEG_STATUS); /* Restore IEEE0 block (assumed in all brgphy(4) code). */ PHY_WRITE(sc, BRGPHY_BLOCK_ADDR, BRGPHY_BLOCK_ADDR_COMBO_IEEE0); /* Check for MRBE auto-negotiated speed results. */ switch (xstat & BRGPHY_GP_STATUS_TOP_ANEG_SPEED_MASK) { case BRGPHY_GP_STATUS_TOP_ANEG_SPEED_10: mii->mii_media_active |= IFM_10_FL; break; case BRGPHY_GP_STATUS_TOP_ANEG_SPEED_100: mii->mii_media_active |= IFM_100_FX; break; case BRGPHY_GP_STATUS_TOP_ANEG_SPEED_1G: mii->mii_media_active |= IFM_1000_SX; break; case BRGPHY_GP_STATUS_TOP_ANEG_SPEED_25G: mii->mii_media_active |= IFM_2500_SX; break; } /* Check for MRBE auto-negotiated duplex results. */ if (xstat & BRGPHY_GP_STATUS_TOP_ANEG_FDX) mii->mii_media_active |= IFM_FDX; else mii->mii_media_active |= IFM_HDX; } } } static void brgphy_mii_phy_auto(struct mii_softc *sc, int media) { int anar, ktcr = 0; PHY_RESET(sc); if ((sc->mii_flags & MIIF_HAVEFIBER) == 0) { anar = BMSR_MEDIA_TO_ANAR(sc->mii_capabilities) | ANAR_CSMA; if ((media & IFM_FLOW) != 0 || (sc->mii_flags & MIIF_FORCEPAUSE) != 0) anar |= BRGPHY_ANAR_PC | BRGPHY_ANAR_ASP; PHY_WRITE(sc, BRGPHY_MII_ANAR, anar); ktcr = BRGPHY_1000CTL_AFD | BRGPHY_1000CTL_AHD; if (sc->mii_mpd_model == MII_MODEL_BROADCOM_BCM5701) ktcr |= BRGPHY_1000CTL_MSE | BRGPHY_1000CTL_MSC; PHY_WRITE(sc, BRGPHY_MII_1000CTL, ktcr); PHY_READ(sc, BRGPHY_MII_1000CTL); } else { anar = BRGPHY_SERDES_ANAR_FDX | BRGPHY_SERDES_ANAR_HDX; if ((media & IFM_FLOW) != 0 || (sc->mii_flags & MIIF_FORCEPAUSE) != 0) anar |= BRGPHY_SERDES_ANAR_BOTH_PAUSE; PHY_WRITE(sc, BRGPHY_SERDES_ANAR, anar); } PHY_WRITE(sc, BRGPHY_MII_BMCR, BRGPHY_BMCR_AUTOEN | BRGPHY_BMCR_STARTNEG); PHY_WRITE(sc, BRGPHY_MII_IMR, 0xFF00); } /* Enable loopback to force the link down. */ static void brgphy_enable_loopback(struct mii_softc *sc) { int i; PHY_WRITE(sc, BRGPHY_MII_BMCR, BRGPHY_BMCR_LOOP); for (i = 0; i < 15000; i++) { if (!(PHY_READ(sc, BRGPHY_MII_BMSR) & BRGPHY_BMSR_LINK)) break; DELAY(10); } } /* Turn off tap power management on 5401. */ static void bcm5401_load_dspcode(struct mii_softc *sc) { static const struct { int reg; uint16_t val; } dspcode[] = { { BRGPHY_MII_AUXCTL, 0x0c20 }, { BRGPHY_MII_DSP_ADDR_REG, 0x0012 }, { BRGPHY_MII_DSP_RW_PORT, 0x1804 }, { BRGPHY_MII_DSP_ADDR_REG, 0x0013 }, { BRGPHY_MII_DSP_RW_PORT, 0x1204 }, { BRGPHY_MII_DSP_ADDR_REG, 0x8006 }, { BRGPHY_MII_DSP_RW_PORT, 0x0132 }, { BRGPHY_MII_DSP_ADDR_REG, 0x8006 }, { BRGPHY_MII_DSP_RW_PORT, 0x0232 }, { BRGPHY_MII_DSP_ADDR_REG, 0x201f }, { BRGPHY_MII_DSP_RW_PORT, 0x0a20 }, { 0, 0 }, }; int i; for (i = 0; dspcode[i].reg != 0; i++) PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val); DELAY(40); } static void bcm5411_load_dspcode(struct mii_softc *sc) { static const struct { int reg; uint16_t val; } dspcode[] = { { 0x1c, 0x8c23 }, { 0x1c, 0x8ca3 }, { 0x1c, 0x8c23 }, { 0, 0 }, }; int i; for (i = 0; dspcode[i].reg != 0; i++) PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val); } void bcm54k2_load_dspcode(struct mii_softc *sc) { static const struct { int reg; uint16_t val; } dspcode[] = { { 4, 0x01e1 }, { 9, 0x0300 }, { 0, 0 }, }; int i; for (i = 0; dspcode[i].reg != 0; i++) PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val); } static void brgphy_fixup_5704_a0_bug(struct mii_softc *sc) { static const struct { int reg; uint16_t val; } dspcode[] = { { 0x1c, 0x8d68 }, { 0x1c, 0x8d68 }, { 0, 0 }, }; int i; for (i = 0; dspcode[i].reg != 0; i++) PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val); } static void brgphy_fixup_adc_bug(struct mii_softc *sc) { static const struct { int reg; uint16_t val; } dspcode[] = { { BRGPHY_MII_AUXCTL, 0x0c00 }, { BRGPHY_MII_DSP_ADDR_REG, 0x201f }, { BRGPHY_MII_DSP_RW_PORT, 0x2aaa }, { 0, 0 }, }; int i; for (i = 0; dspcode[i].reg != 0; i++) PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val); } static void brgphy_fixup_adjust_trim(struct mii_softc *sc) { static const struct { int reg; uint16_t val; } dspcode[] = { { BRGPHY_MII_AUXCTL, 0x0c00 }, { BRGPHY_MII_DSP_ADDR_REG, 0x000a }, { BRGPHY_MII_DSP_RW_PORT, 0x110b }, { BRGPHY_MII_TEST1, 0x0014 }, { BRGPHY_MII_AUXCTL, 0x0400 }, { 0, 0 }, }; int i; for (i = 0; dspcode[i].reg != 0; i++) PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val); } static void brgphy_fixup_ber_bug(struct mii_softc *sc) { static const struct { int reg; uint16_t val; } dspcode[] = { { BRGPHY_MII_AUXCTL, 0x0c00 }, { BRGPHY_MII_DSP_ADDR_REG, 0x000a }, { BRGPHY_MII_DSP_RW_PORT, 0x310b }, { BRGPHY_MII_DSP_ADDR_REG, 0x201f }, { BRGPHY_MII_DSP_RW_PORT, 0x9506 }, { BRGPHY_MII_DSP_ADDR_REG, 0x401f }, { BRGPHY_MII_DSP_RW_PORT, 0x14e2 }, { BRGPHY_MII_AUXCTL, 0x0400 }, { 0, 0 }, }; int i; for (i = 0; dspcode[i].reg != 0; i++) PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val); } static void brgphy_fixup_crc_bug(struct mii_softc *sc) { static const struct { int reg; uint16_t val; } dspcode[] = { { BRGPHY_MII_DSP_RW_PORT, 0x0a75 }, { 0x1c, 0x8c68 }, { 0x1c, 0x8d68 }, { 0x1c, 0x8c68 }, { 0, 0 }, }; int i; for (i = 0; dspcode[i].reg != 0; i++) PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val); } static void brgphy_fixup_jitter_bug(struct mii_softc *sc) { static const struct { int reg; uint16_t val; } dspcode[] = { { BRGPHY_MII_AUXCTL, 0x0c00 }, { BRGPHY_MII_DSP_ADDR_REG, 0x000a }, { BRGPHY_MII_DSP_RW_PORT, 0x010b }, { BRGPHY_MII_AUXCTL, 0x0400 }, { 0, 0 }, }; int i; for (i = 0; dspcode[i].reg != 0; i++) PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val); } static void brgphy_fixup_disable_early_dac(struct mii_softc *sc) { uint32_t val; PHY_WRITE(sc, BRGPHY_MII_DSP_ADDR_REG, 0x0f08); val = PHY_READ(sc, BRGPHY_MII_DSP_RW_PORT); val &= ~(1 << 8); PHY_WRITE(sc, BRGPHY_MII_DSP_RW_PORT, val); } static void brgphy_ethernet_wirespeed(struct mii_softc *sc) { uint32_t val; /* Enable Ethernet@WireSpeed. */ PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x7007); val = PHY_READ(sc, BRGPHY_MII_AUXCTL); PHY_WRITE(sc, BRGPHY_MII_AUXCTL, val | (1 << 15) | (1 << 4)); } static void brgphy_bcm54xx_clock_delay(struct mii_softc *sc) { uint16_t val; if (!(sc->mii_flags & (MIIF_RX_DELAY | MIIF_TX_DELAY))) /* Adjusting the clocks in rgmii mode causes packet losses. */ return; PHY_WRITE(sc, BRGPHY_MII_AUXCTL, BRGPHY_AUXCTL_SHADOW_MISC | BRGPHY_AUXCTL_SHADOW_MISC << BRGPHY_AUXCTL_MISC_READ_SHIFT); val = PHY_READ(sc, BRGPHY_MII_AUXCTL); val &= BRGPHY_AUXCTL_MISC_DATA_MASK; if (sc->mii_flags & MIIF_RX_DELAY) val |= BRGPHY_AUXCTL_MISC_RGMII_SKEW_EN; else val &= ~BRGPHY_AUXCTL_MISC_RGMII_SKEW_EN; PHY_WRITE(sc, BRGPHY_MII_AUXCTL, BRGPHY_AUXCTL_MISC_WRITE_EN | BRGPHY_AUXCTL_SHADOW_MISC | val); PHY_WRITE(sc, BRGPHY_MII_SHADOW_1C, BRGPHY_SHADOW_1C_CLK_CTRL); val = PHY_READ(sc, BRGPHY_MII_SHADOW_1C); val &= BRGPHY_SHADOW_1C_DATA_MASK; if (sc->mii_flags & MIIF_TX_DELAY) val |= BRGPHY_SHADOW_1C_GTXCLK_EN; else val &= ~BRGPHY_SHADOW_1C_GTXCLK_EN; PHY_WRITE(sc, BRGPHY_MII_SHADOW_1C, BRGPHY_SHADOW_1C_WRITE_EN | BRGPHY_SHADOW_1C_CLK_CTRL | val); } static void brgphy_jumbo_settings(struct mii_softc *sc, u_long mtu) { uint32_t val; /* Set or clear jumbo frame settings in the PHY. */ if (mtu > ETHER_MAX_LEN) { if (sc->mii_mpd_model == MII_MODEL_BROADCOM_BCM5401) { /* BCM5401 PHY cannot read-modify-write. */ PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x4c20); } else { PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x7); val = PHY_READ(sc, BRGPHY_MII_AUXCTL); PHY_WRITE(sc, BRGPHY_MII_AUXCTL, val | BRGPHY_AUXCTL_LONG_PKT); } val = PHY_READ(sc, BRGPHY_MII_PHY_EXTCTL); PHY_WRITE(sc, BRGPHY_MII_PHY_EXTCTL, val | BRGPHY_PHY_EXTCTL_HIGH_LA); } else { PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x7); val = PHY_READ(sc, BRGPHY_MII_AUXCTL); PHY_WRITE(sc, BRGPHY_MII_AUXCTL, val & ~(BRGPHY_AUXCTL_LONG_PKT | 0x7)); val = PHY_READ(sc, BRGPHY_MII_PHY_EXTCTL); PHY_WRITE(sc, BRGPHY_MII_PHY_EXTCTL, val & ~BRGPHY_PHY_EXTCTL_HIGH_LA); } } static void brgphy_reset(struct mii_softc *sc) { struct bge_softc *bge_sc = NULL; struct bce_softc *bce_sc = NULL; if_t ifp; int i, val; /* * Perform a reset. Note that at least some Broadcom PHYs default to * being powered down as well as isolated after a reset but don't work * if one or both of these bits are cleared. However, they just work * fine if both bits remain set, so we don't use mii_phy_reset() here. */ PHY_WRITE(sc, BRGPHY_MII_BMCR, BRGPHY_BMCR_RESET); /* Wait 100ms for it to complete. */ for (i = 0; i < 100; i++) { if ((PHY_READ(sc, BRGPHY_MII_BMCR) & BRGPHY_BMCR_RESET) == 0) break; DELAY(1000); } /* Handle any PHY specific procedures following the reset. */ switch (sc->mii_mpd_oui) { case MII_OUI_BROADCOM: switch (sc->mii_mpd_model) { case MII_MODEL_BROADCOM_BCM5400: bcm5401_load_dspcode(sc); break; case MII_MODEL_BROADCOM_BCM5401: if (sc->mii_mpd_rev == 1 || sc->mii_mpd_rev == 3) bcm5401_load_dspcode(sc); break; case MII_MODEL_BROADCOM_BCM5411: bcm5411_load_dspcode(sc); break; case MII_MODEL_BROADCOM_BCM54K2: bcm54k2_load_dspcode(sc); break; } break; case MII_OUI_BROADCOM3: switch (sc->mii_mpd_model) { case MII_MODEL_BROADCOM3_BCM5717C: case MII_MODEL_BROADCOM3_BCM5719C: case MII_MODEL_BROADCOM3_BCM5720C: case MII_MODEL_BROADCOM3_BCM57765: return; } break; case MII_OUI_BROADCOM4: return; } ifp = sc->mii_pdata->mii_ifp; /* Find the driver associated with this PHY. */ if (mii_phy_mac_match(sc, "bge")) bge_sc = mii_phy_mac_softc(sc); else if (mii_phy_mac_match(sc, "bce")) bce_sc = mii_phy_mac_softc(sc); if (bge_sc) { /* Fix up various bugs */ if (bge_sc->bge_phy_flags & BGE_PHY_5704_A0_BUG) brgphy_fixup_5704_a0_bug(sc); if (bge_sc->bge_phy_flags & BGE_PHY_ADC_BUG) brgphy_fixup_adc_bug(sc); if (bge_sc->bge_phy_flags & BGE_PHY_ADJUST_TRIM) brgphy_fixup_adjust_trim(sc); if (bge_sc->bge_phy_flags & BGE_PHY_BER_BUG) brgphy_fixup_ber_bug(sc); if (bge_sc->bge_phy_flags & BGE_PHY_CRC_BUG) brgphy_fixup_crc_bug(sc); if (bge_sc->bge_phy_flags & BGE_PHY_JITTER_BUG) brgphy_fixup_jitter_bug(sc); if (bge_sc->bge_flags & BGE_FLAG_JUMBO) brgphy_jumbo_settings(sc, if_getmtu(ifp)); if ((bge_sc->bge_phy_flags & BGE_PHY_NO_WIRESPEED) == 0) brgphy_ethernet_wirespeed(sc); /* Enable Link LED on Dell boxes */ if (bge_sc->bge_phy_flags & BGE_PHY_NO_3LED) { PHY_WRITE(sc, BRGPHY_MII_PHY_EXTCTL, PHY_READ(sc, BRGPHY_MII_PHY_EXTCTL) & ~BRGPHY_PHY_EXTCTL_3_LED); } /* Adjust output voltage (From Linux driver) */ if (bge_sc->bge_asicrev == BGE_ASICREV_BCM5906) PHY_WRITE(sc, BRGPHY_MII_EPHY_PTEST, 0x12); } else if (bce_sc) { if (BCE_CHIP_NUM(bce_sc) == BCE_CHIP_NUM_5708 && (bce_sc->bce_phy_flags & BCE_PHY_SERDES_FLAG)) { /* Store autoneg capabilities/results in digital block (Page 0) */ PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR, BRGPHY_5708S_DIG3_PG2); PHY_WRITE(sc, BRGPHY_5708S_PG2_DIGCTL_3_0, BRGPHY_5708S_PG2_DIGCTL_3_0_USE_IEEE); PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR, BRGPHY_5708S_DIG_PG0); /* Enable fiber mode and autodetection */ PHY_WRITE(sc, BRGPHY_5708S_PG0_1000X_CTL1, PHY_READ(sc, BRGPHY_5708S_PG0_1000X_CTL1) | BRGPHY_5708S_PG0_1000X_CTL1_AUTODET_EN | BRGPHY_5708S_PG0_1000X_CTL1_FIBER_MODE); /* Enable parallel detection */ PHY_WRITE(sc, BRGPHY_5708S_PG0_1000X_CTL2, PHY_READ(sc, BRGPHY_5708S_PG0_1000X_CTL2) | BRGPHY_5708S_PG0_1000X_CTL2_PAR_DET_EN); /* Advertise 2.5G support through next page during autoneg */ if (bce_sc->bce_phy_flags & BCE_PHY_2_5G_CAPABLE_FLAG) PHY_WRITE(sc, BRGPHY_5708S_ANEG_NXT_PG_XMIT1, PHY_READ(sc, BRGPHY_5708S_ANEG_NXT_PG_XMIT1) | BRGPHY_5708S_ANEG_NXT_PG_XMIT1_25G); /* Increase TX signal amplitude */ if ((BCE_CHIP_ID(bce_sc) == BCE_CHIP_ID_5708_A0) || (BCE_CHIP_ID(bce_sc) == BCE_CHIP_ID_5708_B0) || (BCE_CHIP_ID(bce_sc) == BCE_CHIP_ID_5708_B1)) { PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR, BRGPHY_5708S_TX_MISC_PG5); PHY_WRITE(sc, BRGPHY_5708S_PG5_TXACTL1, PHY_READ(sc, BRGPHY_5708S_PG5_TXACTL1) & ~0x30); PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR, BRGPHY_5708S_DIG_PG0); } /* Backplanes use special driver/pre-driver/pre-emphasis values. */ if ((bce_sc->bce_shared_hw_cfg & BCE_SHARED_HW_CFG_PHY_BACKPLANE) && (bce_sc->bce_port_hw_cfg & BCE_PORT_HW_CFG_CFG_TXCTL3_MASK)) { PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR, BRGPHY_5708S_TX_MISC_PG5); PHY_WRITE(sc, BRGPHY_5708S_PG5_TXACTL3, bce_sc->bce_port_hw_cfg & BCE_PORT_HW_CFG_CFG_TXCTL3_MASK); PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR, BRGPHY_5708S_DIG_PG0); } } else if (BCE_CHIP_NUM(bce_sc) == BCE_CHIP_NUM_5709 && (bce_sc->bce_phy_flags & BCE_PHY_SERDES_FLAG)) { /* Select the SerDes Digital block of the AN MMD. */ PHY_WRITE(sc, BRGPHY_BLOCK_ADDR, BRGPHY_BLOCK_ADDR_SERDES_DIG); val = PHY_READ(sc, BRGPHY_SERDES_DIG_1000X_CTL1); val &= ~BRGPHY_SD_DIG_1000X_CTL1_AUTODET; val |= BRGPHY_SD_DIG_1000X_CTL1_FIBER; PHY_WRITE(sc, BRGPHY_SERDES_DIG_1000X_CTL1, val); /* Select the Over 1G block of the AN MMD. */ PHY_WRITE(sc, BRGPHY_BLOCK_ADDR, BRGPHY_BLOCK_ADDR_OVER_1G); /* Enable autoneg "Next Page" to advertise 2.5G support. */ val = PHY_READ(sc, BRGPHY_OVER_1G_UNFORMAT_PG1); if (bce_sc->bce_phy_flags & BCE_PHY_2_5G_CAPABLE_FLAG) val |= BRGPHY_5708S_ANEG_NXT_PG_XMIT1_25G; else val &= ~BRGPHY_5708S_ANEG_NXT_PG_XMIT1_25G; PHY_WRITE(sc, BRGPHY_OVER_1G_UNFORMAT_PG1, val); /* Select the Multi-Rate Backplane Ethernet block of the AN MMD. */ PHY_WRITE(sc, BRGPHY_BLOCK_ADDR, BRGPHY_BLOCK_ADDR_MRBE); /* Enable MRBE speed autoneg. */ val = PHY_READ(sc, BRGPHY_MRBE_MSG_PG5_NP); val |= BRGPHY_MRBE_MSG_PG5_NP_MBRE | BRGPHY_MRBE_MSG_PG5_NP_T2; PHY_WRITE(sc, BRGPHY_MRBE_MSG_PG5_NP, val); /* Select the Clause 73 User B0 block of the AN MMD. */ PHY_WRITE(sc, BRGPHY_BLOCK_ADDR, BRGPHY_BLOCK_ADDR_CL73_USER_B0); /* Enable MRBE speed autoneg. */ PHY_WRITE(sc, BRGPHY_CL73_USER_B0_MBRE_CTL1, BRGPHY_CL73_USER_B0_MBRE_CTL1_NP_AFT_BP | BRGPHY_CL73_USER_B0_MBRE_CTL1_STA_MGR | BRGPHY_CL73_USER_B0_MBRE_CTL1_ANEG); /* Restore IEEE0 block (assumed in all brgphy(4) code). */ PHY_WRITE(sc, BRGPHY_BLOCK_ADDR, BRGPHY_BLOCK_ADDR_COMBO_IEEE0); } else if (BCE_CHIP_NUM(bce_sc) == BCE_CHIP_NUM_5709) { if ((BCE_CHIP_REV(bce_sc) == BCE_CHIP_REV_Ax) || (BCE_CHIP_REV(bce_sc) == BCE_CHIP_REV_Bx)) brgphy_fixup_disable_early_dac(sc); brgphy_jumbo_settings(sc, if_getmtu(ifp)); brgphy_ethernet_wirespeed(sc); } else { brgphy_fixup_ber_bug(sc); brgphy_jumbo_settings(sc, if_getmtu(ifp)); brgphy_ethernet_wirespeed(sc); } } }