2019-06-04 02:11:33 -06:00
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/* SPDX-License-Identifier: GPL-2.0-only */
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2011-02-06 08:32:24 -07:00
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/*
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* arch/arm/include/asm/glue-cache.h
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*
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* Copyright (C) 1999-2002 Russell King
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*/
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#ifndef ASM_GLUE_CACHE_H
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#define ASM_GLUE_CACHE_H
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#include <asm/glue.h>
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/*
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* Cache Model
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* ===========
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*/
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#undef _CACHE
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#undef MULTI_CACHE
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#if defined(CONFIG_CPU_CACHE_V4)
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# ifdef _CACHE
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# define MULTI_CACHE 1
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# else
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# define _CACHE v4
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# endif
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#endif
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#if defined(CONFIG_CPU_ARM920T) || defined(CONFIG_CPU_ARM922T) || \
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defined(CONFIG_CPU_ARM925T) || defined(CONFIG_CPU_ARM1020) || \
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defined(CONFIG_CPU_ARM1026)
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# define MULTI_CACHE 1
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#endif
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#if defined(CONFIG_CPU_FA526)
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# ifdef _CACHE
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# define MULTI_CACHE 1
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# else
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# define _CACHE fa
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# endif
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#endif
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#if defined(CONFIG_CPU_ARM926T)
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# ifdef _CACHE
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# define MULTI_CACHE 1
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# else
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# define _CACHE arm926
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# endif
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#endif
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#if defined(CONFIG_CPU_ARM940T)
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# ifdef _CACHE
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# define MULTI_CACHE 1
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# else
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# define _CACHE arm940
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# endif
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#endif
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#if defined(CONFIG_CPU_ARM946E)
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# ifdef _CACHE
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# define MULTI_CACHE 1
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# else
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# define _CACHE arm946
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# endif
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#endif
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#if defined(CONFIG_CPU_CACHE_V4WB)
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# ifdef _CACHE
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# define MULTI_CACHE 1
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# else
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# define _CACHE v4wb
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# endif
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#endif
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#if defined(CONFIG_CPU_XSCALE)
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# ifdef _CACHE
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# define MULTI_CACHE 1
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# else
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# define _CACHE xscale
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# endif
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#endif
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#if defined(CONFIG_CPU_XSC3)
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# ifdef _CACHE
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# define MULTI_CACHE 1
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# else
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# define _CACHE xsc3
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# endif
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#endif
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#if defined(CONFIG_CPU_MOHAWK)
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# ifdef _CACHE
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# define MULTI_CACHE 1
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# else
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# define _CACHE mohawk
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# endif
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#endif
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#if defined(CONFIG_CPU_FEROCEON)
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# define MULTI_CACHE 1
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#endif
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2011-03-16 17:35:26 -06:00
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#if defined(CONFIG_CPU_V6) || defined(CONFIG_CPU_V6K)
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2012-09-02 02:17:09 -06:00
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# ifdef _CACHE
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2011-02-06 08:32:24 -07:00
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# define MULTI_CACHE 1
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2012-09-02 02:17:09 -06:00
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# else
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# define _CACHE v6
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# endif
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2011-02-06 08:32:24 -07:00
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#endif
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#if defined(CONFIG_CPU_V7)
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2012-09-02 02:17:09 -06:00
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# ifdef _CACHE
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2011-02-06 08:32:24 -07:00
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# define MULTI_CACHE 1
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2012-09-02 02:17:09 -06:00
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# else
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# define _CACHE v7
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# endif
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2011-02-06 08:32:24 -07:00
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#endif
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2017-11-30 17:10:09 -07:00
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#if defined(CONFIG_CACHE_B15_RAC)
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# define MULTI_CACHE 1
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#endif
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2010-05-21 11:06:41 -06:00
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#if defined(CONFIG_CPU_V7M)
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# define MULTI_CACHE 1
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#endif
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2011-02-06 08:32:24 -07:00
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#if !defined(_CACHE) && !defined(MULTI_CACHE)
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2011-03-30 19:57:33 -06:00
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#error Unknown cache maintenance model
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2011-02-06 08:32:24 -07:00
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#endif
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2010-05-21 11:06:41 -06:00
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#ifndef __ASSEMBLER__
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2013-09-03 20:27:26 -06:00
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static inline void nop_flush_icache_all(void) { }
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static inline void nop_flush_kern_cache_all(void) { }
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static inline void nop_flush_kern_cache_louis(void) { }
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static inline void nop_flush_user_cache_all(void) { }
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static inline void nop_flush_user_cache_range(unsigned long a,
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2010-05-21 11:06:41 -06:00
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unsigned long b, unsigned int c) { }
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2013-09-03 20:27:26 -06:00
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static inline void nop_coherent_kern_range(unsigned long a, unsigned long b) { }
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static inline int nop_coherent_user_range(unsigned long a,
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2010-05-21 11:06:41 -06:00
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unsigned long b) { return 0; }
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2013-09-03 20:27:26 -06:00
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static inline void nop_flush_kern_dcache_area(void *a, size_t s) { }
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2010-05-21 11:06:41 -06:00
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2013-09-03 20:27:26 -06:00
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static inline void nop_dma_flush_range(const void *a, const void *b) { }
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2010-05-21 11:06:41 -06:00
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2013-09-03 20:27:26 -06:00
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static inline void nop_dma_map_area(const void *s, size_t l, int f) { }
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static inline void nop_dma_unmap_area(const void *s, size_t l, int f) { }
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2010-05-21 11:06:41 -06:00
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#endif
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2011-02-06 08:32:24 -07:00
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#ifndef MULTI_CACHE
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#define __cpuc_flush_icache_all __glue(_CACHE,_flush_icache_all)
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#define __cpuc_flush_kern_all __glue(_CACHE,_flush_kern_cache_all)
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2012-09-06 07:05:13 -06:00
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#define __cpuc_flush_kern_louis __glue(_CACHE,_flush_kern_cache_louis)
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2011-02-06 08:32:24 -07:00
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#define __cpuc_flush_user_all __glue(_CACHE,_flush_user_cache_all)
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#define __cpuc_flush_user_range __glue(_CACHE,_flush_user_cache_range)
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#define __cpuc_coherent_kern_range __glue(_CACHE,_coherent_kern_range)
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#define __cpuc_coherent_user_range __glue(_CACHE,_coherent_user_range)
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#define __cpuc_flush_dcache_area __glue(_CACHE,_flush_kern_dcache_area)
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#define dmac_flush_range __glue(_CACHE,_dma_flush_range)
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#endif
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#endif
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