diff options
Diffstat (limited to 'sys/pci/ahc_pci.c')
| -rw-r--r-- | sys/pci/ahc_pci.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/sys/pci/ahc_pci.c b/sys/pci/ahc_pci.c index 50d8efc..344658d 100644 --- a/sys/pci/ahc_pci.c +++ b/sys/pci/ahc_pci.c @@ -34,7 +34,7 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * $Id$ + * $Id: ahc_pci.c,v 1.1 1998/09/15 07:25:33 gibbs Exp $ */ #include <pci.h> @@ -510,10 +510,14 @@ ahc_pci_attach(pcici_t config_id, int unit) { u_int dscommand0; + /* + * DPARCKEN doesn't work correctly on + * some MBs so don't use it. + */ id_string = "aic7896/97 "; dscommand0 = ahc_inb(ahc, DSCOMMAND0); - dscommand0 &= ~USCBSIZE32; - dscommand0 |= CACHETHEN|DPARCKEN|MPARCKEN; + dscommand0 &= ~(USCBSIZE32|DPARCKEN); + dscommand0 |= CACHETHEN|MPARCKEN; ahc_outb(ahc, DSCOMMAND0, dscommand0); break; } @@ -521,10 +525,14 @@ ahc_pci_attach(pcici_t config_id, int unit) { u_int dscommand0; + /* + * DPARCKEN doesn't work correctly on + * some MBs so don't use it. + */ id_string = "aic7890/91 "; dscommand0 = ahc_inb(ahc, DSCOMMAND0); - dscommand0 &= ~USCBSIZE32; - dscommand0 |= CACHETHEN|DPARCKEN|MPARCKEN; + dscommand0 &= ~(USCBSIZE32|DPARCKEN); + dscommand0 |= CACHETHEN|MPARCKEN; ahc_outb(ahc, DSCOMMAND0, dscommand0); break; } |
