@@ -1,4 +1,4 @@
-/* $NetBSD: bcm2835_space.c,v 1.3 2013/01/13 06:10:25 skrll Exp $ */
+/* $NetBSD: bcm2835_space.c,v 1.4 2013/01/23 16:51:14 macallan Exp $ */
/*-
* Copyright (c) 2012 The NetBSD Foundation, Inc.
@@ -31,7 +31,7 @@
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: bcm2835_space.c,v 1.3 2013/01/13 06:10:25 skrll Exp $");
+__KERNEL_RCSID(0, "$NetBSD: bcm2835_space.c,v 1.4 2013/01/23 16:51:14 macallan Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -370,8 +370,12 @@
paddr_t
bcm2835_bs_mmap(void *t, bus_addr_t paddr, off_t offset, int prot, int flags)
{
+ paddr_t bus_flags = 0;
- return (arm_btop((paddr + offset)));
+ if (flags & BUS_SPACE_MAP_PREFETCHABLE)
+ bus_flags |= ARM32_MMAP_WRITECOMBINE;
+
+ return (arm_btop(paddr + offset) | bus_flags);
}
int