[src/trunk]: src/sys/arch/mvme68k/include define a "BUS_SPACE_MAP_PREFETCHABL...

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

details:   https://anonhg.NetBSD.org/src/rev/8f3495eb03a1
branches:  trunk
changeset: 481308:8f3495eb03a1
user:      drochner <drochner%NetBSD.org@localhost>
date:      Tue Jan 25 22:26:49 2000 +0000

description:
define a "BUS_SPACE_MAP_PREFETCHABLE" flag which basically means that
device accesses are idempotent (but should not be cached by the CPU)

diffstat:

 sys/arch/mvme68k/include/bus_space.h |  3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diffs (17 lines):

diff -r 881bcf41b47d -r 8f3495eb03a1 sys/arch/mvme68k/include/bus_space.h
--- a/sys/arch/mvme68k/include/bus_space.h      Tue Jan 25 22:13:17 2000 +0000
+++ b/sys/arch/mvme68k/include/bus_space.h      Tue Jan 25 22:26:49 2000 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: bus_space.h,v 1.3 1999/04/10 14:06:27 drochner Exp $ */
+/*     $NetBSD: bus_space.h,v 1.4 2000/01/25 22:26:49 drochner Exp $ */
 
 /*-
  * Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc.
@@ -105,6 +105,7 @@
 
 #define        BUS_SPACE_MAP_CACHEABLE         0x01
 #define        BUS_SPACE_MAP_LINEAR            0x02
+#define        BUS_SPACE_MAP_PREFETCHABLE      0x04
 
 /*
  * Allocation and deallocation operations.