xref: /openbmc/u-boot/arch/mips/include/asm/cache.h (revision ed09a554)
1 /*
2  * Copyright (c) 2011 The Chromium OS Authors.
3  *
4  * SPDX-License-Identifier:	GPL-2.0+
5  */
6 
7 #ifndef __MIPS_CACHE_H__
8 #define __MIPS_CACHE_H__
9 
10 /*
11  * The maximum L1 data cache line size on MIPS seems to be 128 bytes.  We use
12  * that as a default for aligning DMA buffers unless the board config has
13  * specified another cache line size.
14  */
15 #ifdef CONFIG_SYS_CACHELINE_SIZE
16 #define ARCH_DMA_MINALIGN	CONFIG_SYS_CACHELINE_SIZE
17 #else
18 #define ARCH_DMA_MINALIGN	128
19 #endif
20 
21 #endif /* __MIPS_CACHE_H__ */
22