From e5b7a48717952ee27c9b124bf5fd8479a5470f1c Mon Sep 17 00:00:00 2001
From: Miod Vallat <miod@cvs.openbsd.org>
Date: Fri, 26 Dec 2008 00:43:04 +0000
Subject: Do not attach if not the console, I expect the same problems as for
 p9100, but I don't know what initialization sequence is needed on the
 p9000...

---
 sys/arch/sparc/dev/p9000.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/sys/arch/sparc/dev/p9000.c b/sys/arch/sparc/dev/p9000.c
index f957fb442e8..2cdfa22ea64 100644
--- a/sys/arch/sparc/dev/p9000.c
+++ b/sys/arch/sparc/dev/p9000.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: p9000.c,v 1.20 2007/02/25 18:14:48 miod Exp $	*/
+/*	$OpenBSD: p9000.c,v 1.21 2008/12/26 00:43:03 miod Exp $	*/
 
 /*
  * Copyright (c) 2003, Miodrag Vallat.
@@ -176,6 +176,16 @@ p9000match(struct device *parent, void *vcf, void *aux)
 	if (strcmp("p9000", ra->ra_name))
 		return (0);
 
+	/*
+	 * If this is not the console device, chances are the
+	 * frame buffer is not completely initialized, and access
+	 * to some of its control registers could hang (this is
+	 * the case on p9100). Until this can be verified, do
+	 * not attach if console is on serial.
+	 */
+	if (ra->ra_node != fbnode)
+		return (0);
+
 	return (1);
 }
 
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