[src/trunk]: src/sys/arch/mips/include add missing BUS_DMA_PREFETCHABLE

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

details:   https://anonhg.NetBSD.org/src/rev/24459ff9de01
branches:  trunk
changeset: 448686:24459ff9de01
user:      mrg <mrg%NetBSD.org@localhost>
date:      Thu Feb 07 04:32:54 2019 +0000

description:
add missing BUS_DMA_PREFETCHABLE

diffstat:

 sys/arch/mips/include/bus_dma_defs.h |  4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diffs (18 lines):

diff -r 12e685ec42a4 -r 24459ff9de01 sys/arch/mips/include/bus_dma_defs.h
--- a/sys/arch/mips/include/bus_dma_defs.h      Thu Feb 07 04:32:38 2019 +0000
+++ b/sys/arch/mips/include/bus_dma_defs.h      Thu Feb 07 04:32:54 2019 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: bus_dma_defs.h,v 1.3 2016/07/30 06:28:05 matt Exp $ */
+/* $NetBSD: bus_dma_defs.h,v 1.4 2019/02/07 04:32:54 mrg Exp $ */
 
 /*-
  * Copyright (c) 1997, 1998, 2000, 2001 The NetBSD Foundation, Inc.
@@ -82,6 +82,8 @@
 #define        BUS_DMA_READ            0x100   /* mapping is device -> memory only */
 #define        BUS_DMA_WRITE           0x200   /* mapping is memory -> device only */
 #define        BUS_DMA_NOCACHE         0x400   /* hint: map non-cached memory */
+#define        BUS_DMA_PREFETCHABLE    0x800   /* hint: map non-cached but allow 
+                                        * things like write combining */
 
 /*
  * Private flags stored in the DMA map.