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Broadcom says BCM5755 or higher and BCM5906 have short DMA bug.

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Apply workaround to these controllers.
This commit is contained in:
Pyun YongHyeon 2011-10-26 18:27:01 +00:00
parent d462212405
commit d9820cd85e
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=226806
1 changed files with 4 additions and 3 deletions
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7
sys/dev/bge/if_bge.c
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@ -2828,7 +2828,6 @@ bge_attach(device_t dev)
switch (sc->bge_asicrev) {
case BGE_ASICREV_BCM5717:
case BGE_ASICREV_BCM5719:
sc->bge_flags |= BGE_FLAG_SHORT_DMA_BUG;
case BGE_ASICREV_BCM57765:
sc->bge_flags |= BGE_FLAG_5717_PLUS | BGE_FLAG_5755_PLUS |
BGE_FLAG_575X_PLUS | BGE_FLAG_5705_PLUS | BGE_FLAG_JUMBO |
@ -2863,8 +2862,6 @@ bge_attach(device_t dev)
case BGE_ASICREV_BCM5752:
case BGE_ASICREV_BCM5906:
sc->bge_flags |= BGE_FLAG_575X_PLUS;
if (sc->bge_asicrev == BGE_ASICREV_BCM5906)
sc->bge_flags |= BGE_FLAG_SHORT_DMA_BUG;
/* FALLTHROUGH */
case BGE_ASICREV_BCM5705:
sc->bge_flags |= BGE_FLAG_5705_PLUS;
@ -2926,6 +2923,10 @@ bge_attach(device_t dev)
*/
sc->bge_flags |= BGE_FLAG_4G_BNDRY_BUG;
/* BCM5755 or higher and BCM5906 have short DMA bug. */
if (BGE_IS_5755_PLUS(sc) || sc->bge_asicrev == BGE_ASICREV_BCM5906)
sc->bge_flags |= BGE_FLAG_SHORT_DMA_BUG;
misccfg = CSR_READ_4(sc, BGE_MISC_CFG) & BGE_MISCCFG_BOARD_ID;
if (sc->bge_asicrev == BGE_ASICREV_BCM5705) {
if (misccfg == BGE_MISCCFG_BOARD_ID_5788 ||