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On Rev. B silicon, we disabled the enhanced busfree detection logic to

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close holes in detecting busfrees that occur after a packetized target
transitions to a non-packetized phase.  The most common case where this
occurs is when a target is externally reset so the controller believes
a packetzied negotiation agreement is still in effect.  Unfortunately,
disabling this feature seems to cause problems for the 7901B.  Re-enable
ehanced busfree detection for this part until I can get my hands on a
samble to figure out if the old workaround is necessary and, if so, how
to make it work correctly.
This commit is contained in:
gibbs 2005-02-16 18:16:35 +00:00
parent c264da2384
commit 7662ea7896
1 changed files with 3 additions and 3 deletions
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6
sys/dev/aic7xxx/aic79xx_pci.c
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@ -997,14 +997,14 @@ ahd_aic790X_setup(struct ahd_softc *ahd)
ahd->features |= AHD_RTI|AHD_NEW_IOCELL_OPTS
| AHD_NEW_DFCNTRL_OPTS|AHD_FAST_CDB_DELIVERY;
ahd->bugs |= AHD_LQOOVERRUN_BUG|AHD_EARLY_REQ_BUG
| AHD_BUSFREEREV_BUG;
ahd->bugs |= AHD_LQOOVERRUN_BUG|AHD_EARLY_REQ_BUG;
/*
* Some issues have been resolved in the 7901B.
*/
if ((ahd->features & AHD_MULTI_FUNC) != 0)
ahd->bugs |= AHD_INTCOLLISION_BUG|AHD_ABORT_LQI_BUG;
ahd->bugs |= AHD_INTCOLLISION_BUG|AHD_ABORT_LQI_BUG
| AHD_BUSFREEREV_BUG;
/*
* IO Cell paramter setup.