Author: yongari
Date: Fri Oct 5 06:24:22 2012
New Revision: 241219
URL: http://svn.freebsd.org/changeset/base/241219
Log:
Add 40 microseconds delay after updating EMAC Mode register as
recommended by Broadcom data sheet.
Modified:
head/sys/dev/bge/if_bge.c
Modified: head/sys/dev/bge/if_bge.c
==============================================================================
--- head/sys/dev/bge/if_bge.c Fri Oct 5 05:01:42 2012 (r241218)
+++ head/sys/dev/bge/if_bge.c Fri Oct 5 06:24:22 2012 (r241219)
@@ -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");
_______________________________________________
svn-src-head@freebsd.org mailing list
http://lists.freebsd.org/mailman/listinfo/svn-src-head
To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
