diff options
Diffstat (limited to 'sys/dev/jme/if_jme.c')
| -rw-r--r-- | sys/dev/jme/if_jme.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/sys/dev/jme/if_jme.c b/sys/dev/jme/if_jme.c index 2096d4a..231f65a 100644 --- a/sys/dev/jme/if_jme.c +++ b/sys/dev/jme/if_jme.c @@ -1996,6 +1996,19 @@ jme_mac_config(struct jme_softc *sc) default: break; } + /* Workaround CRC errors at 100Mbps on JMC250 A2. */ + if (sc->jme_rev == DEVICEID_JMC250 && + sc->jme_chip_rev == DEVICEREVID_JMC250_A2) { + if (IFM_SUBTYPE(mii->mii_media_active) == IFM_100_TX) { + /* Extend interface FIFO depth. */ + jme_miibus_writereg(sc->jme_dev, sc->jme_phyaddr, + 0x1B, 0x0000); + } else { + /* Select default interface FIFO depth. */ + jme_miibus_writereg(sc->jme_dev, sc->jme_phyaddr, + 0x1B, 0x0004); + } + } CSR_WRITE_4(sc, JME_GHC, ghc); CSR_WRITE_4(sc, JME_RXMAC, rxmac); CSR_WRITE_4(sc, JME_TXMAC, txmac); |
