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Never allow memory mapped I/O in PCI-X mode on controllers that

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do not support that configuration.  This should fix problems with
embedded 7902 controllers running in PCI-X mode.
This commit is contained in:
gibbs 2002-10-16 02:59:03 +00:00
parent 360cbf1ce3
commit 5e3507cec0
1 changed files with 4 additions and 2 deletions
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6
sys/dev/aic7xxx/ahd_pci.c
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@ -28,7 +28,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: //depot/aic7xxx/freebsd/dev/aic7xxx/ahd_pci.c#6 $
* $Id: //depot/aic7xxx/freebsd/dev/aic7xxx/ahd_pci.c#7 $
*
* $FreeBSD$
*/
@ -156,7 +156,9 @@ ahd_pci_map_registers(struct ahd_softc *ahd)
regs2 = NULL;
regs_type = 0;
regs_id = 0;
if ((command & PCIM_CMD_MEMEN) != 0) {
if ((command & PCIM_CMD_MEMEN) != 0
&& ((ahd->chip & AHD_BUS_MASK) != AHD_PCIX
|| (ahd->bugs & AHD_PCIX_MMAPIO_BUG) == 0)) {
regs_type = SYS_RES_MEMORY;
regs_id = AHD_PCI_MEMADDR;