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- /*
- * linux/arch/unicore32/include/asm/cache.h
- *
- * Code specific to PKUnity SoC and UniCore ISA
- *
- * Copyright (C) 2001-2010 GUAN Xue-tao
- *
- * 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.
- */
- #ifndef __UNICORE_CACHE_H__
- #define __UNICORE_CACHE_H__
- #define L1_CACHE_SHIFT (5)
- #define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
- /*
- * Memory returned by kmalloc() may be used for DMA, so we must make
- * sure that all such allocations are cache aligned. Otherwise,
- * unrelated code may cause parts of the buffer to be read into the
- * cache before the transfer is done, causing old data to be seen by
- * the CPU.
- */
- #define ARCH_DMA_MINALIGN L1_CACHE_BYTES
- #endif
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