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-rw-r--r--kernel/arch/arm/mach-omap2/include/mach/barriers.h33
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
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+++ 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 */