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o Patch, slightly altered, from Graham Menhennitt for older aha 1542B

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cards.  My machine didn't tickle this problem, so I can't tell if
  it fixed anything or not.  However, it didn't break my already working
  1542-{B,C,CF,CP} probes.
o Minor comment correction
o Minor correction in printf
This commit is contained in:
Warner Losh 1998-11-25 19:12:56 +00:00
parent b75443c896
commit 46d4978e39
1 changed files with 15 additions and 6 deletions
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21
sys/dev/aha/aha.c
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@ -55,7 +55,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: aha.c,v 1.11 1998/11/10 06:44:42 gibbs Exp $
* $Id: aha.c,v 1.12 1998/11/10 06:47:09 gibbs Exp $
*/
#include <sys/param.h>
@ -351,9 +351,18 @@ aha_probe(struct aha_softc* aha)
* this register, and return 0xff, while buslogic cards will return
* something different.
*
* XXX I'm not sure how this will impact other cloned cards.
* It appears that for reasons unknow, for the for the
* aha-1542B cards, we need to wait a little bit before trying
* to read the geometry register. I picked 10ms since we have
* reports that a for loop to 1000 did the trick, and this
* errs on the side of conservatism. Besides, no one will
* notice a 10mS delay here, even the 1542B card users :-)
*
* XXX I'm not sure how this will impact other cloned cards
*/
if (aha->boardid <= 0x42) {
/* Wait 10ms before reading */
DELAY(10000);
status = aha_inb(aha, GEOMETRY_REG);
if (status != 0xff) {
PRVERB(("%s: Geometry Register test failed\n",
@ -426,10 +435,10 @@ aha_fetch_adapter_info(struct aha_softc *aha)
/*paramlen*/2, NULL, 0, DEFAULT_CMD_TIMEOUT);
}
if (aha->boardid < 0x41)
printf("%s: Likely aha 1542A, which might not work properly\n",
printf("%s: Warning: aha-1542A won't likely work.\n",
aha_name(aha));
aha->max_sg = 17; /* Need 17 to do 64k I/O */
aha->max_sg = 17; /* Need >= 17 to do 64k I/O */
aha->diff_bus = 0;
aha->extended_lun = 0;
aha->extended_trans = 0;
@ -611,8 +620,8 @@ aha_attach(struct aha_softc *aha)
struct cam_devq *devq;
/*
* We reserve 1 ccb for error recovery, so don't
* tell the XPT about it.
* We don't do tagged queueing, since the aha cards don't
* support it.
*/
tagged_dev_openings = 0;