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Diffstat (limited to 'kernel/arch/hexagon/include/asm/cache.h')
| -rw-r--r-- | kernel/arch/hexagon/include/asm/cache.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/kernel/arch/hexagon/include/asm/cache.h b/kernel/arch/hexagon/include/asm/cache.h new file mode 100644 index 000000000..69952c184 --- /dev/null +++ b/kernel/arch/hexagon/include/asm/cache.h @@ -0,0 +1,36 @@ +/* + * Cache definitions for the Hexagon architecture + * + * Copyright (c) 2010-2011,2014 The Linux Foundation. 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 ARCH_DMA_MINALIGN L1_CACHE_BYTES + +#define __cacheline_aligned __aligned(L1_CACHE_BYTES) +#define ____cacheline_aligned __aligned(L1_CACHE_BYTES) + +/* See http://lwn.net/Articles/262554/ */ +#define __read_mostly + +#endif |