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freebsd_amp_hwpstate
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Be more careful in how we set SCSICONF. It was possible for a controller 

set to a device id above 7 to screw up the data fifo setting.
This commit is contained in:
Justin T. Gibbs 1996-03-11 02:49:48 +00:00
parent 66792b2e44
commit 7e1f0d8dc5
1 changed files with 7 additions and 3 deletions
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10
sys/pci/aic7870.c
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@ -19,7 +19,7 @@
* 4. Modifications may be freely made to this file if the above conditions
* are met.
*
* $Id: aic7870.c,v 1.25 1996/01/29 03:18:20 gibbs Exp $
* $Id: aic7870.c,v 1.26 1996/03/10 07:12:48 gibbs Exp $
*/
#include <pci.h>
@ -435,6 +435,7 @@ load_seeprom(ahc)
u_short checksum = 0;
u_long iobase = ahc->baseport;
u_char scsi_conf;
u_char host_id;
int have_seeprom, retval;
if(bootverbose)
@ -468,7 +469,8 @@ load_seeprom(ahc)
"using leftover BIOS values\n", ahc->unit);
retval = 0;
scsi_conf = /*host_id*/0x7 | ENSPCHK; /* Assume a default */
host_id = 0x7;
scsi_conf = host_id | ENSPCHK; /* Assume a default */
/*
* If we happen to be an ULTRA card,
* default to non-ultra mode.
@ -497,7 +499,9 @@ load_seeprom(ahc)
outb(DISC_DSB + iobase, ~(ahc->discenable & 0xff));
outb(DISC_DSB + iobase + 1, ~((ahc->discenable >> 8) & 0xff));
scsi_conf = sc.brtime_id & CFSCSIID;
host_id = sc.brtime_id & CFSCSIID;
scsi_conf = (host_id & 0x7);
if(sc.adapter_control & CFSPARITY)
scsi_conf |= ENSPCHK;