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Clear the busfree interrupt when one occurs, after a SELTO, or a bus reset.

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This commit is contained in:
Justin T. Gibbs 1996-12-03 17:06:00 +00:00
parent 3d9ab968cd
commit 2ca3e32777
1 changed files with 13 additions and 6 deletions
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19
sys/i386/scsi/aic7xxx.c
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@ -32,7 +32,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: aic7xxx.c,v 1.86 1996/11/16 01:19:14 gibbs Exp $
* $Id: aic7xxx.c,v 1.87 1996/11/22 08:28:45 gibbs Exp $
*/
/*
* TODO:
@ -1526,6 +1526,9 @@ ahc_handle_scsiint(ahc, intstat)
printf("Unexpected busfree. LASTPHASE == 0x%x\n",
lastphase);
}
ahc_outb(ahc, CLRSINT1, CLRBUSFREE);
ahc_outb(ahc, CLRINT, CLRSCSIINT);
restart_sequencer(ahc);
} else if (scb == NULL) {
printf("%s: ahc_intr - referenced scb not "
"valid during scsiint 0x%x scb(%d)\n",
@ -1612,7 +1615,7 @@ ahc_handle_scsiint(ahc, intstat)
ahc_outb(ahc, SCB_CONTROL, 0);
ahc_outb(ahc, CLRSINT1, CLRSELTIMEO);
ahc_outb(ahc, CLRSINT1, CLRSELTIMEO|CLRBUSFREE);
ahc_outb(ahc, CLRINT, CLRSCSIINT);
@ -2661,14 +2664,18 @@ ahc_timeout(arg)
case P_MESGIN:
printf("in message in phase");
break;
default:
case P_BUSFREE:
printf("while idle, LASTPHASE == 0x%x",
bus_state);
bus_state = 0;
break;
default:
/*
* We aren't in a valid phase, so assume we're
* idle.
*/
bus_state = 0;
printf("invalid phase, LASTPHASE == 0x%x",
bus_state);
break;
}
@ -3054,7 +3061,7 @@ ahc_reset_channel(ahc, channel, timedout_scb, xs_error, initiate_reset)
ahc_outb(ahc, SBLKCTL, sblkctl ^ SELBUSB);
if (initiate_reset)
ahc_reset_current_bus(ahc);
ahc_outb(ahc, CLRSINT1, CLRSCSIRSTI|CLRSELTIMEO);
ahc_outb(ahc, CLRSINT1, CLRSCSIRSTI|CLRSELTIMEO|CLRBUSFREE);
ahc_outb(ahc, CLRINT, CLRSCSIINT);
ahc_outb(ahc, SBLKCTL, sblkctl);
unpause_sequencer(ahc, /*unpause_always*/TRUE);
@ -3062,7 +3069,7 @@ ahc_reset_channel(ahc, channel, timedout_scb, xs_error, initiate_reset)
/* Case 2: A command from this bus is active or we're idle */
if (initiate_reset)
ahc_reset_current_bus(ahc);
ahc_outb(ahc, CLRSINT1, CLRSCSIRSTI|CLRSELTIMEO);
ahc_outb(ahc, CLRSINT1, CLRSCSIRSTI|CLRSELTIMEO|CLRBUSFREE);
ahc_outb(ahc, CLRINT, CLRSCSIINT);
restart_sequencer(ahc);
}