Preserve termination settings across the card reset in our shutdown hook.
This commit is contained in:
parent
d72b216c5b
commit
b19a4814fc
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=45847
@ -36,7 +36,7 @@
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*
|
||||
* $Id: aic7xxx.c,v 1.20 1999/03/23 07:24:26 gibbs Exp $
|
||||
* $Id: aic7xxx.c,v 1.21 1999/04/07 23:02:45 gibbs Exp $
|
||||
*/
|
||||
/*
|
||||
* A few notes on features of the driver.
|
||||
@ -2635,8 +2635,6 @@ ahc_handle_message_phase(struct ahc_softc *ahc, struct cam_path *path)
|
||||
int end_session;
|
||||
|
||||
ahc_fetch_devinfo(ahc, &devinfo);
|
||||
|
||||
|
||||
end_session = FALSE;
|
||||
bus_phase = ahc_inb(ahc, SCSISIGI) & PHASE_MASK;
|
||||
|
||||
@ -4206,11 +4204,12 @@ ahc_action(struct cam_sim *sim, union ccb *ccb)
|
||||
else
|
||||
maxsync = AHC_SYNCRATE_FAST;
|
||||
|
||||
if ((cts->valid & CCB_TRANS_SYNC_OFFSET_VALID) == 0)
|
||||
if ((cts->valid & CCB_TRANS_SYNC_OFFSET_VALID) == 0) {
|
||||
if (update_type & AHC_TRANS_USER)
|
||||
cts->sync_offset = tinfo->user.offset;
|
||||
else
|
||||
cts->sync_offset = tinfo->goal.offset;
|
||||
}
|
||||
|
||||
syncrate = ahc_find_syncrate(ahc, &cts->sync_period,
|
||||
maxsync);
|
||||
@ -5970,10 +5969,43 @@ ahc_shutdown(int howto, void *arg)
|
||||
{
|
||||
struct ahc_softc *ahc;
|
||||
int i;
|
||||
u_int sxfrctl1_a, sxfrctl1_b;
|
||||
|
||||
ahc = (struct ahc_softc *)arg;
|
||||
|
||||
pause_sequencer(ahc);
|
||||
|
||||
/*
|
||||
* Preserve the value of the SXFRCTL1 register for all channels.
|
||||
* It contains settings that affect termination and we don't want
|
||||
* to disturb the integrity of the bus during shutdown in case
|
||||
* we are in a multi-initiator setup.
|
||||
*/
|
||||
sxfrctl1_b = 0;
|
||||
if ((ahc->features & AHC_TWIN) != 0) {
|
||||
u_int sblkctl;
|
||||
|
||||
sblkctl = ahc_inb(ahc, SBLKCTL);
|
||||
ahc_outb(ahc, SBLKCTL, sblkctl | SELBUSB);
|
||||
sxfrctl1_b = ahc_inb(ahc, SXFRCTL1);
|
||||
ahc_outb(ahc, SBLKCTL, sblkctl & ~SELBUSB);
|
||||
}
|
||||
|
||||
sxfrctl1_a = ahc_inb(ahc, SXFRCTL1);
|
||||
|
||||
/* This will reset most registers to 0, but not all */
|
||||
ahc_reset(ahc);
|
||||
|
||||
if ((ahc->features & AHC_TWIN) != 0) {
|
||||
u_int sblkctl;
|
||||
|
||||
sblkctl = ahc_inb(ahc, SBLKCTL);
|
||||
ahc_outb(ahc, SBLKCTL, sblkctl | SELBUSB);
|
||||
ahc_outb(ahc, SXFRCTL1, sxfrctl1_b);
|
||||
ahc_outb(ahc, SBLKCTL, sblkctl & ~SELBUSB);
|
||||
}
|
||||
ahc_outb(ahc, SXFRCTL1, sxfrctl1_a);
|
||||
|
||||
ahc_outb(ahc, SCSISEQ, 0);
|
||||
ahc_outb(ahc, SXFRCTL0, 0);
|
||||
ahc_outb(ahc, DSPCISTATUS, 0);
|
||||
|
Loading…
Reference in New Issue
Block a user