diff options
| author | Richard Kuo <rkuo@codeaurora.org> | 2011-11-01 00:50:51 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-11-01 15:34:20 +0100 |
| commit | 2d3cbc780437ae4e81f09d0efdd6769852bce5f5 (patch) | |
| tree | a38fc87be4886292edb863afc682c761c6ee0669 /arch/hexagon/include/asm/cache.h | |
| parent | Hexagon: Provide basic implementation and/or stubs for I/O routines. (diff) | |
| download | linux-2d3cbc780437ae4e81f09d0efdd6769852bce5f5.tar.xz linux-2d3cbc780437ae4e81f09d0efdd6769852bce5f5.zip | |
Hexagon: Implement basic cache-flush support
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/hexagon/include/asm/cache.h')
| -rw-r--r-- | arch/hexagon/include/asm/cache.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/hexagon/include/asm/cache.h b/arch/hexagon/include/asm/cache.h new file mode 100644 index 000000000000..0f01de2eb4ab --- /dev/null +++ b/arch/hexagon/include/asm/cache.h @@ -0,0 +1,34 @@ +/* + * Cache definitions for the Hexagon architecture + * + * Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only 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., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + */ + +#ifndef __ASM_CACHE_H +#define __ASM_CACHE_H + +/* Bytes per L1 cache line */ +#define L1_CACHE_SHIFT (5) +#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) + +#define __cacheline_aligned __aligned(L1_CACHE_BYTES) +#define ____cacheline_aligned __aligned(L1_CACHE_BYTES) + +/* See http://kerneltrap.org/node/15100 */ +#define __read_mostly + +#endif |