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1 files changed, 117 insertions, 0 deletions

diff --git a/arch/arm/include/asm/outercache.h b/arch/arm/include/asm/outercache.h
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index 000000000..ffa26b5e6
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+++ b/arch/arm/include/asm/outercache.h
@@ -0,0 +1,117 @@
+/*
+ * arch/arm/include/asm/outercache.h
+ *
+ * Copyright (C) 2010 ARM Ltd.
+ * Written by Catalin Marinas <catalin.marinas@arm.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 __ASM_OUTERCACHE_H
+#define __ASM_OUTERCACHE_H
+
+#include <linux/types.h>
+
+struct outer_cache_fns {
+	void (*inv_range)(unsigned long, unsigned long);
+	void (*clean_range)(unsigned long, unsigned long);
+	void (*flush_range)(unsigned long, unsigned long);
+	void (*flush_all)(void);
+	void (*clean_all)(void);
+	void (*inv_all)(void);
+	void (*disable)(void);
+#ifdef CONFIG_OUTER_CACHE_SYNC
+	void (*sync)(void);
+#endif
+	void (*set_debug)(unsigned long);
+	void (*resume)(void);
+};
+
+extern struct outer_cache_fns outer_cache;
+
+#ifdef CONFIG_OUTER_CACHE
+
+static inline void outer_inv_range(phys_addr_t start, phys_addr_t end)
+{
+	if (outer_cache.inv_range)
+		outer_cache.inv_range(start, end);
+}
+static inline void outer_clean_range(phys_addr_t start, phys_addr_t end)
+{
+	if (outer_cache.clean_range)
+		outer_cache.clean_range(start, end);
+}
+static inline void outer_flush_range(phys_addr_t start, phys_addr_t end)
+{
+	if (outer_cache.flush_range)
+		outer_cache.flush_range(start, end);
+}
+static inline void outer_clean_all(void)
+{
+	if (outer_cache.clean_all)
+		outer_cache.clean_all();
+}
+static inline void outer_flush_all(void)
+{
+	if (outer_cache.flush_all)
+		outer_cache.flush_all();
+}
+
+static inline void outer_inv_all(void)
+{
+	if (outer_cache.inv_all)
+		outer_cache.inv_all();
+}
+
+static inline void outer_disable(void)
+{
+	if (outer_cache.disable)
+		outer_cache.disable();
+}
+
+static inline void outer_resume(void)
+{
+	if (outer_cache.resume)
+		outer_cache.resume();
+}
+
+#else
+
+static inline void outer_inv_range(phys_addr_t start, phys_addr_t end)
+{ }
+static inline void outer_clean_range(phys_addr_t start, phys_addr_t end)
+{ }
+static inline void outer_flush_range(phys_addr_t start, phys_addr_t end)
+{ }
+static inline void outer_clean_all(void)
+{ }
+static inline void outer_flush_all(void) { }
+static inline void outer_inv_all(void) { }
+static inline void outer_disable(void) { }
+static inline void outer_resume(void) { }
+
+#endif
+
+#ifdef CONFIG_OUTER_CACHE_SYNC
+static inline void outer_sync(void)
+{
+	if (outer_cache.sync)
+		outer_cache.sync();
+}
+#else
+static inline void outer_sync(void)
+{ }
+#endif
+
+#endif	/* __ASM_OUTERCACHE_H */