[src/trunk]: src/sys/arch/arm/broadcom add mmap

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

details:   https://anonhg.NetBSD.org/src/rev/6e03910a7bb8
branches:  trunk
changeset: 789289:6e03910a7bb8
user:      matt <matt%NetBSD.org@localhost>
date:      Mon Aug 12 21:20:02 2013 +0000

description:
add mmap

diffstat:

 sys/arch/arm/broadcom/bcmgen_space.c |  14 ++++++++++++--
 1 files changed, 12 insertions(+), 2 deletions(-)

diffs (35 lines):

diff -r 3b827939e9d3 -r 6e03910a7bb8 sys/arch/arm/broadcom/bcmgen_space.c
--- a/sys/arch/arm/broadcom/bcmgen_space.c      Mon Aug 12 21:19:09 2013 +0000
+++ b/sys/arch/arm/broadcom/bcmgen_space.c      Mon Aug 12 21:20:02 2013 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: bcmgen_space.c,v 1.2 2013/01/09 17:45:13 matt Exp $    */
+/*     $NetBSD: bcmgen_space.c,v 1.3 2013/08/12 21:20:02 matt Exp $    */
 
 /*-
  * Copyright (c) 2012 The NetBSD Foundation, Inc.
@@ -31,7 +31,7 @@
 
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: bcmgen_space.c,v 1.2 2013/01/09 17:45:13 matt Exp $");
+__KERNEL_RCSID(0, "$NetBSD: bcmgen_space.c,v 1.3 2013/08/12 21:20:02 matt Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -254,6 +254,16 @@
        return (void *)bsh;
 }
 
+paddr_t
+bcmgen_bs_mmap(void *t, bus_addr_t bpa, off_t offset, int prot, int flags)
+{
+       paddr_t bus_flags = 0;
+
+       if (flags & BUS_SPACE_MAP_PREFETCHABLE)
+               bus_flags |= ARM32_MMAP_WRITECOMBINE;
+
+       return (arm_btop(bpa + offset) | bus_flags);
+}
 
 int
 bcmgen_bs_alloc(void *t, bus_addr_t rstart, bus_addr_t rend,