[src/trunk]: src/sys/arch/sparc/conf enable PNOZZ_USE_LATCH in case we run in...

[macallan <macallan%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/f26f825b4d0d
branches:  trunk
changeset: 752550:f26f825b4d0d
user:      macallan <macallan%NetBSD.org@localhost>
date:      Mon Mar 01 06:14:17 2010 +0000

description:
enable PNOZZ_USE_LATCH in case we run into some hardware which needs it

diffstat:

 sys/arch/sparc/conf/GENERIC |  8 ++++++--
 sys/arch/sparc/conf/INSTALL |  6 +++++-
 2 files changed, 11 insertions(+), 3 deletions(-)

diffs (49 lines):

diff -r 06b0a815b207 -r f26f825b4d0d sys/arch/sparc/conf/GENERIC
--- a/sys/arch/sparc/conf/GENERIC       Mon Mar 01 05:42:08 2010 +0000
+++ b/sys/arch/sparc/conf/GENERIC       Mon Mar 01 06:14:17 2010 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: GENERIC,v 1.219 2010/01/15 20:57:12 bouyer Exp $
+# $NetBSD: GENERIC,v 1.220 2010/03/01 06:14:17 macallan Exp $
 #
 # GENERIC machine description file
 # 
@@ -22,7 +22,7 @@
 
 options        INCLUDE_CONFIG_FILE     # embed config file in kernel binary
 
-#ident                 "GENERIC-$Revision: 1.219 $"
+#ident                 "GENERIC-$Revision: 1.220 $"
 
 maxusers       32
 
@@ -693,6 +693,10 @@
 
 # P9100-based display on Tadpole SPARCbook 3.
 pnozz0         at sbus? slot ? offset ?
+# the SPARCbook 3 hardware docs say that accesses to P9100 registers need to be
+# 'latched in' but at least my 3GX works happily without
+# Enable it by default since we don't know which hardware really needs it.
+options PNOZZ_USE_LATCH
 
 # Sun ZX/Leo 24-bit framebuffer
 zx*            at sbus? slot ? offset ?
diff -r 06b0a815b207 -r f26f825b4d0d sys/arch/sparc/conf/INSTALL
--- a/sys/arch/sparc/conf/INSTALL       Mon Mar 01 05:42:08 2010 +0000
+++ b/sys/arch/sparc/conf/INSTALL       Mon Mar 01 06:14:17 2010 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: INSTALL,v 1.72 2009/12/05 20:11:17 pooka Exp $
+#      $NetBSD: INSTALL,v 1.73 2010/03/01 06:14:17 macallan Exp $
 #
 # from: NetBSD: GENERIC,v 1.84 1999/06/06 13:00:03 mrg Exp
 #
@@ -561,6 +561,10 @@
 
 # P9100-based display on Tadpole SPARCbook 3.
 pnozz0         at sbus? slot ? offset ?
+# the SPARCbook 3 hardware docs say that accesses to P9100 registers need to be
+# 'latched in' but at least my 3GX works happily without
+# Enable it by default since we don't know which hardware really needs it.
+options PNOZZ_USE_LATCH
 
 # Sun ZX/Leo 24-bit framebuffer
 zx*            at sbus? slot ? offset ?