d/freebsd-nq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Implement the write twice to send producer index workaround for

Browse Source 
BCM5700 chips as described in the Broadcom Errata documents.

Obtained from:	NetBSD and Broadcom Errata documentation
This commit is contained in:
Paul Saab 2003-05-04 00:07:21 +00:00
parent 9bf327a70c
commit 3927098f93
1 changed files with 11 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
sys/dev/bge/if_bge.c
View File

@ -934,8 +934,16 @@ bge_init_tx_ring(sc)
{
sc->bge_txcnt = 0;
sc->bge_tx_saved_considx = 0;
CSR_WRITE_4(sc, BGE_MBX_TX_HOST_PROD0_LO, 0);
/* 5700 b2 errata */
if (BGE_ASICREV(sc->bge_asicrev) == BGE_ASICREV_BCM5700)
CSR_WRITE_4(sc, BGE_MBX_TX_HOST_PROD0_LO, 0);
CSR_WRITE_4(sc, BGE_MBX_TX_NIC_PROD0_LO, 0);
/* 5700 b2 errata */
if (BGE_ASICREV(sc->bge_asicrev) == BGE_ASICREV_BCM5700)
CSR_WRITE_4(sc, BGE_MBX_TX_NIC_PROD0_LO, 0);
return(0);
}
@ -2344,6 +2352,9 @@ bge_start(ifp)
/* Transmit */
CSR_WRITE_4(sc, BGE_MBX_TX_HOST_PROD0_LO, prodidx);
/* 5700 b2 errata */
if (BGE_ASICREV(sc->bge_asicrev) == BGE_ASICREV_BCM5700)
CSR_WRITE_4(sc, BGE_MBX_TX_HOST_PROD0_LO, prodidx);
/*
* Set a timeout in case the chip goes out to lunch.