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From: Jung-uk Kim <jkim@FreeBSD.org>
Date: Tue, 13 Jan 2009 16:48:01 +0000 (UTC)
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Subject: svn commit: r187157 - head/sys/i386/i386
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Author: jkim
Date: Tue Jan 13 16:48:01 2009
New Revision: 187157
URL: http://svn.freebsd.org/changeset/base/187157

Log:
  Enable MSI support for VIA Nano processors on i386 (missing in r187118).

Modified:
  head/sys/i386/i386/msi.c

Modified: head/sys/i386/i386/msi.c
==============================================================================
--- head/sys/i386/i386/msi.c	Tue Jan 13 16:44:18 2009	(r187156)
+++ head/sys/i386/i386/msi.c	Tue Jan 13 16:48:01 2009	(r187157)
@@ -51,6 +51,7 @@ __FBSDID("$FreeBSD$");
 #include <machine/frame.h>
 #include <machine/intr_machdep.h>
 #include <machine/apicvar.h>
+#include <machine/specialreg.h>
 #include <dev/pci/pcivar.h>
 
 /* Fields in address for Intel MSI messages. */
@@ -212,9 +213,18 @@ msi_init(void)
 {
 
 	/* Check if we have a supported CPU. */
-	if (!(cpu_vendor_id == CPU_VENDOR_INTEL ||
-	    cpu_vendor_id == CPU_VENDOR_AMD))
+	switch (cpu_vendor_id) {
+	case CPU_VENDOR_INTEL:
+	case CPU_VENDOR_AMD:
+		break;
+	case CPU_VENDOR_CENTAUR:
+		if (I386_CPU_FAMILY(cpu_id) == 0x6 &&
+		    I386_CPU_MODEL(cpu_id) >= 0xf)
+			break;
+		/* FALLTHROUGH */
+	default:
 		return;
+	}
 
 	msi_enabled = 1;
 	intr_register_pic(&msi_pic);