PERFORCE change 54807 for review

[Juli Mallett]

http://perforce.freebsd.org/chv.cgi?CH=54807

Change 54807 by jmallett at jmallett_oingo on 2004/06/13 10:16:25

	Don't believe the lies of the IP24!
	
	Submitted by:	Anders Gavare md1gavan at mdstud.chalmers.se

Affected files ...

.. //depot/projects/mips/sys/mips/sgimips/imc/imc.c#6 edit

Differences ...

==== //depot/projects/mips/sys/mips/sgimips/imc/imc.c#6 (text+ko) ====

@@ -23,7 +23,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- * $P4: //depot/projects/mips/sys/mips/sgimips/imc/imc.c#5 $
+ * $P4: //depot/projects/mips/sys/mips/sgimips/imc/imc.c#6 $
  */
 
 #include <sys/cdefs.h>
@@ -104,6 +104,9 @@
 	uint32_t sysid;
 
 	sysid = IMC_READ_4(imc_port, IMC_SYSID);
+	/* IP24 lies about having EISA.  Don't believe its sugary-sweet lies! */
+	if (mach_subtype == MACH_SGI_IP22_GUINESS)
+		sysid &= ~IMC_SYSID_HAVEISA;
 	device_printf(dev, "revision %d, EISA %s\n", sysid & IMC_SYSID_REVMASK,
 		      sysid & IMC_SYSID_HAVEISA ?  "present" : "not present");