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| author | Jung-uk Kim <jkim@FreeBSD.org> | 2007-02-12 23:58:52 +0000 |
|---|---|---|
| committer | Jung-uk Kim <jkim@FreeBSD.org> | 2007-02-12 23:58:52 +0000 |
| commit | 1ec4c3a889b3ec01a7244d5bb80d4e817e0a69de (patch) | |
| tree | 1bbcf0bc1d9e6bf84b8dafc7f19d0f0ee1fdffae /sys/dev/mii/brgphy.c | |
| parent | 797b2220ae2986d2ce6bb6bdc54aa7482edfa12c (diff) | |
| download | src-1ec4c3a889b3ec01a7244d5bb80d4e817e0a69de.tar.gz src-1ec4c3a889b3ec01a7244d5bb80d4e817e0a69de.zip | |
Add BCM5701 A0/B0 CRC bug workaround. Magic values taken from Linux driver.
Notes
Notes:
svn path=/head/; revision=166677
Diffstat (limited to 'sys/dev/mii/brgphy.c')
| -rw-r--r-- | sys/dev/mii/brgphy.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/sys/dev/mii/brgphy.c b/sys/dev/mii/brgphy.c index 37f40b1ced4c..3c56585f84d1 100644 --- a/sys/dev/mii/brgphy.c +++ b/sys/dev/mii/brgphy.c @@ -103,6 +103,7 @@ 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_jumbo_settings(struct mii_softc *, u_long); @@ -612,6 +613,25 @@ brgphy_fixup_ber_bug(struct mii_softc *sc) } static void +brgphy_fixup_crc_bug(struct mii_softc *sc) +{ + static const struct { + int reg; + uint16_t val; + } dspcode[] = { + { BRGPHY_MII_DSP_ADDR_REG, 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 { @@ -716,6 +736,8 @@ brgphy_reset(struct mii_softc *sc) brgphy_fixup_adjust_trim(sc); if (bge_sc->bge_flags & BGE_FLAG_BER_BUG) brgphy_fixup_ber_bug(sc); + if (bge_sc->bge_flags & BGE_FLAG_CRC_BUG) + brgphy_fixup_crc_bug(sc); if (bge_sc->bge_flags & BGE_FLAG_JITTER_BUG) brgphy_fixup_jitter_bug(sc); |