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| author | yongari <yongari@FreeBSD.org> | 2012-10-05 06:24:22 +0000 |
|---|---|---|
| committer | yongari <yongari@FreeBSD.org> | 2012-10-05 06:24:22 +0000 |
| commit | 547fade0bfd71127916366d4be62945f5f9e22b5 (patch) | |
| tree | e82b9d5d0ce9cc7de653a77ac0ccf8fa02f1c76c /sys/dev/bge/if_bge.c | |
| parent | 74d42d6c2fa4dca29e87c52563605e1f1e20b011 (diff) | |
| download | FreeBSD-src-547fade0bfd71127916366d4be62945f5f9e22b5.zip FreeBSD-src-547fade0bfd71127916366d4be62945f5f9e22b5.tar.gz | |
Add 40 microseconds delay after updating EMAC Mode register as
recommended by Broadcom data sheet.
Diffstat (limited to 'sys/dev/bge/if_bge.c')
| -rw-r--r-- | sys/dev/bge/if_bge.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/sys/dev/bge/if_bge.c b/sys/dev/bge/if_bge.c index 1edc3c7..7a35268 100644 --- a/sys/dev/bge/if_bge.c +++ b/sys/dev/bge/if_bge.c @@ -957,6 +957,7 @@ bge_miibus_statchg(device_t dev) mac_mode |= BGE_MACMODE_HALF_DUPLEX; CSR_WRITE_4(sc, BGE_MAC_MODE, mac_mode); + DELAY(40); CSR_WRITE_4(sc, BGE_TX_MODE, tx_mode); CSR_WRITE_4(sc, BGE_RX_MODE, rx_mode); } @@ -1434,6 +1435,7 @@ bge_chipinit(struct bge_softc *sc) /* Clear the MAC control register */ CSR_WRITE_4(sc, BGE_MAC_MODE, 0); + DELAY(40); /* * Clear the MAC statistics block in the NIC's @@ -2046,6 +2048,7 @@ bge_blockinit(struct bge_softc *sc) /* Turn on DMA, clear stats */ CSR_WRITE_4(sc, BGE_MAC_MODE, val); + DELAY(40); /* Set misc. local control, enable interrupts on attentions */ CSR_WRITE_4(sc, BGE_MISC_LOCAL_CTL, BGE_MLC_INTR_ONATTN); @@ -3752,6 +3755,7 @@ bge_reset(struct bge_softc *sc) BGE_SETBIT(sc, BGE_MODE_CTL, BGE_MODECTL_STACKUP); CSR_WRITE_4(sc, BGE_MAC_MODE, 0); + DELAY(40); /* * The 5704 in TBI mode apparently needs some special @@ -5148,6 +5152,7 @@ bge_ifmedia_upd_locked(struct ifnet *ifp) BGE_SETBIT(sc, BGE_MAC_MODE, BGE_MACMODE_HALF_DUPLEX); } + DELAY(40); break; default: return (EINVAL); @@ -5623,9 +5628,11 @@ bge_link_upd(struct bge_softc *sc) if (status & BGE_MACSTAT_TBI_PCS_SYNCHED) { if (!sc->bge_link) { sc->bge_link++; - if (sc->bge_asicrev == BGE_ASICREV_BCM5704) + if (sc->bge_asicrev == BGE_ASICREV_BCM5704) { BGE_CLRBIT(sc, BGE_MAC_MODE, BGE_MACMODE_TBI_SEND_CFGS); + DELAY(40); + } CSR_WRITE_4(sc, BGE_MAC_STS, 0xFFFFFFFF); if (bootverbose) if_printf(sc->bge_ifp, "link UP\n"); |
