linux_dsm_epyc7002/arch/xtensa/include/asm/cache.h
Max Filippov 8f8d5745bb xtensa: replace variant/core.h with asm/core.h
Introduce the header arch/xtensa/include/asm/core.h that provides
definitions for XCHAL macros missing in older xtensa releases. Use this
header instead of variant/core.h

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2019-05-06 17:48:55 -07:00

35 lines
965 B
C

/*
* include/asm-xtensa/cache.h
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* (C) 2001 - 2005 Tensilica Inc.
*/
#ifndef _XTENSA_CACHE_H
#define _XTENSA_CACHE_H
#include <asm/core.h>
#define L1_CACHE_SHIFT XCHAL_DCACHE_LINEWIDTH
#define L1_CACHE_BYTES XCHAL_DCACHE_LINESIZE
#define SMP_CACHE_BYTES L1_CACHE_BYTES
#define DCACHE_WAY_SIZE (XCHAL_DCACHE_SIZE/XCHAL_DCACHE_WAYS)
#define ICACHE_WAY_SIZE (XCHAL_ICACHE_SIZE/XCHAL_ICACHE_WAYS)
#define DCACHE_WAY_SHIFT (XCHAL_DCACHE_SETWIDTH + XCHAL_DCACHE_LINEWIDTH)
#define ICACHE_WAY_SHIFT (XCHAL_ICACHE_SETWIDTH + XCHAL_ICACHE_LINEWIDTH)
/* Maximum cache size per way. */
#if DCACHE_WAY_SIZE >= ICACHE_WAY_SIZE
# define CACHE_WAY_SIZE DCACHE_WAY_SIZE
#else
# define CACHE_WAY_SIZE ICACHE_WAY_SIZE
#endif
#define ARCH_DMA_MINALIGN L1_CACHE_BYTES
#endif /* _XTENSA_CACHE_H */