diff options
| author | gibbs <gibbs@FreeBSD.org> | 1996-06-08 06:54:06 +0000 |
|---|---|---|
| committer | gibbs <gibbs@FreeBSD.org> | 1996-06-08 06:54:06 +0000 |
| commit | d8a5f8423330788644aaff7c961193795f569694 (patch) | |
| tree | 51299fac0d585e006444ca49e8e239f028083822 /sys/dev | |
| parent | dca5ec165f1eaf7fc7cb1b5e3c0674ee4ccbadbf (diff) | |
| download | FreeBSD-src-d8a5f8423330788644aaff7c961193795f569694.zip FreeBSD-src-d8a5f8423330788644aaff7c961193795f569694.tar.gz | |
Hopefully fix the parity problem and the hang on message reject for good.
Diffstat (limited to 'sys/dev')
| -rw-r--r-- | sys/dev/aic7xxx/aic7xxx.seq | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/sys/dev/aic7xxx/aic7xxx.seq b/sys/dev/aic7xxx/aic7xxx.seq index ccd88b4..4613d9f 100644 --- a/sys/dev/aic7xxx/aic7xxx.seq +++ b/sys/dev/aic7xxx/aic7xxx.seq @@ -39,7 +39,7 @@ * *-M************************************************************************/ -VERSION AIC7XXX_SEQ_VER "$Id: aic7xxx.seq,v 1.39 1996/05/30 14:31:08 gibbs Exp $" +VERSION AIC7XXX_SEQ_VER "$Id: aic7xxx.seq,v 1.40 1996/05/31 06:30:15 gibbs Exp $" #if defined(__NetBSD__) #include "../../../../dev/ic/aic7xxxreg.h" @@ -83,6 +83,11 @@ reset: start: and FLAGS,0x0f /* clear target specific flags */ mvi SCSISEQ,ENRSELI /* Always allow reselection */ + clr SCSIRATE /* + * We don't know the target we will + * connect to, so default to narrow + * transfers to avoid parity problems. + */ poll_for_work: /* * Are we a twin channel device? @@ -274,9 +279,9 @@ ultra_b: set_sxfrctl0: mov SXFRCTL0,SINDEX - mov SCSISEQ,ALLZEROS /* - * Don't allow (re)selections - * until after the next busfree. + mvi SCSISEQ,ENAUTOATNP /* + * ATN on parity errors + * for "in" phases */ mvi CLRSINT1,CLRBUSFREE mvi CLRSINT0,0x60 /* CLRSELDI|CLRSELDO */ @@ -499,10 +504,11 @@ p_mesgout_start: * a MESSAGE REJECT. */ p_mesgout_loop: + test SSTAT1,PHASEMIS jnz p_mesgout_phasemis test SSTAT0,SPIORDY jz p_mesgout_loop + test SSTAT1,PHASEMIS jnz p_mesgout_phasemis cmp DINDEX,1 jne p_mesgout_outb /* last byte? */ mvi CLRSINT1,CLRATNO /* drop ATN */ - test SSTAT1,PHASEMIS jnz p_mesgout_phasemis p_mesgout_outb: dec DINDEX or CLRSINT0, CLRSPIORDY @@ -866,6 +872,7 @@ inb_next: or CLRSINT0, CLRSPIORDY mov NONE,SCSIDATL /*dummy read from latch to ACK*/ inb_next_wait: + test SSTAT1,PHASEMIS jnz mesgin_phasemis test SSTAT0,SPIORDY jz inb_next_wait /* wait for next byte */ inb_first: mov DINDEX,SINDEX |
