diff options
Diffstat (limited to 'kernel/arch/arm/mach-omap2/include/mach/barriers.h')
| -rw-r--r-- | kernel/arch/arm/mach-omap2/include/mach/barriers.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/kernel/arch/arm/mach-omap2/include/mach/barriers.h b/kernel/arch/arm/mach-omap2/include/mach/barriers.h new file mode 100644 index 000000000..1c582a859 --- /dev/null +++ b/kernel/arch/arm/mach-omap2/include/mach/barriers.h @@ -0,0 +1,33 @@ +/* + * OMAP memory barrier header. + * + * Copyright (C) 2011 Texas Instruments, Inc. + * Santosh Shilimkar <santosh.shilimkar@ti.com> + * Richard Woodruff <r-woodruff2@ti.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef __MACH_BARRIERS_H +#define __MACH_BARRIERS_H + +#include <asm/outercache.h> + +extern void omap_bus_sync(void); + +#define rmb() dsb() +#define wmb() do { dsb(); outer_sync(); omap_bus_sync(); } while (0) +#define mb() wmb() + +#endif /* __MACH_BARRIERS_H */ |