xref: /OK3568_Linux_fs/u-boot/arch/nios2/include/asm/cache.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * (C) Copyright 2004, Psyent Corporation <www.psyent.com>
3*4882a593Smuzhiyun  * Scott McNutt <smcnutt@psyent.com>
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
6*4882a593Smuzhiyun  */
7*4882a593Smuzhiyun 
8*4882a593Smuzhiyun #ifndef __ASM_NIOS2_CACHE_H_
9*4882a593Smuzhiyun #define __ASM_NIOS2_CACHE_H_
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun /*
12*4882a593Smuzhiyun  * Valid L1 data cache line sizes for the NIOS2 architecture are 4,
13*4882a593Smuzhiyun  * 16, and 32 bytes. We default to the largest of these values for
14*4882a593Smuzhiyun  * alignment of DMA buffers.
15*4882a593Smuzhiyun  */
16*4882a593Smuzhiyun #define ARCH_DMA_MINALIGN	32
17*4882a593Smuzhiyun 
18*4882a593Smuzhiyun #endif /* __ASM_NIOS2_CACHE_H_ */
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