diff options
| author | gibbs <gibbs@FreeBSD.org> | 1995-03-07 09:00:44 +0000 |
|---|---|---|
| committer | gibbs <gibbs@FreeBSD.org> | 1995-03-07 09:00:44 +0000 |
| commit | 600c7320bdd35ab9814b69446911dcb046972c36 (patch) | |
| tree | 8a4b328e181bef602e6a29877aa8efc54b2bdf32 /sys/gnu | |
| parent | 920849e38f40422d94115a4b47b90e3076cf787c (diff) | |
| download | FreeBSD-src-600c7320bdd35ab9814b69446911dcb046972c36.zip FreeBSD-src-600c7320bdd35ab9814b69446911dcb046972c36.tar.gz | |
Be careful to maintain the bits in SBLKCTL that are reserved.
Diffstat (limited to 'sys/gnu')
| -rw-r--r-- | sys/gnu/misc/aic7xxx/aic7xxx.seq | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/sys/gnu/misc/aic7xxx/aic7xxx.seq b/sys/gnu/misc/aic7xxx/aic7xxx.seq index df8f1d2..b735961 100644 --- a/sys/gnu/misc/aic7xxx/aic7xxx.seq +++ b/sys/gnu/misc/aic7xxx/aic7xxx.seq @@ -21,7 +21,7 @@ # FreeBSD, Twin, Wide, 2 command per target support, tagged queuing and other # optimizations provided by Justin T. Gibbs (gibbs@FreeBSD.org) # -# $Id: aic7xxx.seq,v 1.7 1995/02/03 17:18:44 gibbs Exp $ +# $Id: aic7xxx.seq,v 1.8 1995/02/22 01:37:52 gibbs Exp $ VERSION AIC7XXX_SEQ_VERSION 1.8 @@ -190,7 +190,6 @@ SCBCOUNT = 0x52 # the actual number of SCBs FLAGS = 0x53 # Device configuration flags TWIN_BUS = 0x01 WIDE_BUS = 0x02 -SELECTED_SCB = 0x08 SENSE = 0x10 ACTIVE_MSG = 0x20 IDENTIFY_SEEN = 0x40 @@ -302,10 +301,10 @@ test_a: start_scb: or SCBARRAY+0,NEEDDMA - and SINDEX,0x08,SCBARRAY+1 - and A,WIDE_BUS,FLAGS # Wide bus? - or SINDEX,A - mov SBLKCTL,SINDEX # select channel, bus width + and SINDEX,0xf7,SBLKCTL #Clear the channel select bit + and A,0x08,SCBARRAY+1 #Get new channel bit + or SINDEX,A + mov SBLKCTL,SINDEX # select channel mov SCBARRAY+1 call initialize clr SG_NOLOAD and FLAGS,0x3f # !RESELECTING |
