Module Name: src
Committed By: macallan
Date: Wed Jan 23 16:51:15 UTC 2013
Modified Files:
src/sys/arch/arm/broadcom: bcm2835_space.c
Log Message:
support BUS_SPACE_MAP_PREFETCHABLE in bcm2835_bs_mmap()
To generate a diff of this commit:
cvs rdiff -u -r1.3 -r1.4 src/sys/arch/arm/broadcom/bcm2835_space.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/arm/broadcom/bcm2835_space.c
diff -u src/sys/arch/arm/broadcom/bcm2835_space.c:1.3 src/sys/arch/arm/broadcom/bcm2835_space.c:1.4
--- src/sys/arch/arm/broadcom/bcm2835_space.c:1.3 Sun Jan 13 06:10:25 2013
+++ src/sys/arch/arm/broadcom/bcm2835_space.c Wed Jan 23 16:51:14 2013
@@ -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 @@ bcm2835_bs_vaddr(void *t, bus_space_hand
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
