Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * arch/arm/include/asm/glue-cache.h
4 *
5 * Copyright (C) 1999-2002 Russell King
6 */
7#ifndef ASM_GLUE_CACHE_H
8#define ASM_GLUE_CACHE_H
9
10#include <asm/glue.h>
11
12/*
13 * Cache Model
14 * ===========
15 */
16#undef _CACHE
17#undef MULTI_CACHE
18
19#if defined(CONFIG_CPU_CACHE_V4)
20# ifdef _CACHE
21# define MULTI_CACHE 1
22# else
23# define _CACHE v4
24# endif
25#endif
26
27#if defined(CONFIG_CPU_ARM920T) || defined(CONFIG_CPU_ARM922T) || \
28 defined(CONFIG_CPU_ARM925T) || defined(CONFIG_CPU_ARM1020) || \
29 defined(CONFIG_CPU_ARM1026)
30# define MULTI_CACHE 1
31#endif
32
33#if defined(CONFIG_CPU_FA526)
34# ifdef _CACHE
35# define MULTI_CACHE 1
36# else
37# define _CACHE fa
38# endif
39#endif
40
41#if defined(CONFIG_CPU_ARM926T)
42# ifdef _CACHE
43# define MULTI_CACHE 1
44# else
45# define _CACHE arm926
46# endif
47#endif
48
49#if defined(CONFIG_CPU_ARM940T)
50# ifdef _CACHE
51# define MULTI_CACHE 1
52# else
53# define _CACHE arm940
54# endif
55#endif
56
57#if defined(CONFIG_CPU_ARM946E)
58# ifdef _CACHE
59# define MULTI_CACHE 1
60# else
61# define _CACHE arm946
62# endif
63#endif
64
65#if defined(CONFIG_CPU_CACHE_V4WB)
66# ifdef _CACHE
67# define MULTI_CACHE 1
68# else
69# define _CACHE v4wb
70# endif
71#endif
72
73#if defined(CONFIG_CPU_XSCALE)
74# ifdef _CACHE
75# define MULTI_CACHE 1
76# else
77# define _CACHE xscale
78# endif
79#endif
80
81#if defined(CONFIG_CPU_XSC3)
82# ifdef _CACHE
83# define MULTI_CACHE 1
84# else
85# define _CACHE xsc3
86# endif
87#endif
88
89#if defined(CONFIG_CPU_MOHAWK)
90# ifdef _CACHE
91# define MULTI_CACHE 1
92# else
93# define _CACHE mohawk
94# endif
95#endif
96
97#if defined(CONFIG_CPU_FEROCEON)
98# define MULTI_CACHE 1
99#endif
100
101#if defined(CONFIG_CPU_V6) || defined(CONFIG_CPU_V6K)
102# ifdef _CACHE
103# define MULTI_CACHE 1
104# else
105# define _CACHE v6
106# endif
107#endif
108
109#if defined(CONFIG_CPU_V7)
110# ifdef _CACHE
111# define MULTI_CACHE 1
112# else
113# define _CACHE v7
114# endif
115#endif
116
117#if defined(CONFIG_CACHE_B15_RAC)
118# define MULTI_CACHE 1
119#endif
120
121#ifdef CONFIG_CPU_CACHE_NOP
122# define MULTI_CACHE 1
123#endif
124
125#if defined(CONFIG_CPU_V7M)
126# define MULTI_CACHE 1
127#endif
128
129#if !defined(_CACHE) && !defined(MULTI_CACHE)
130#error Unknown cache maintenance model
131#endif
132
133#ifndef MULTI_CACHE
134#define __cpuc_flush_icache_all __glue(_CACHE,_flush_icache_all)
135#define __cpuc_flush_kern_all __glue(_CACHE,_flush_kern_cache_all)
136/* This function only has a dedicated assembly callback on the v7 cache */
137#ifdef CONFIG_CPU_CACHE_V7
138#define __cpuc_flush_kern_louis __glue(_CACHE,_flush_kern_cache_louis)
139#else
140#define __cpuc_flush_kern_louis __glue(_CACHE,_flush_kern_cache_all)
141#endif
142#define __cpuc_flush_user_all __glue(_CACHE,_flush_user_cache_all)
143#define __cpuc_flush_user_range __glue(_CACHE,_flush_user_cache_range)
144#define __cpuc_coherent_kern_range __glue(_CACHE,_coherent_kern_range)
145#define __cpuc_coherent_user_range __glue(_CACHE,_coherent_user_range)
146#define __cpuc_flush_dcache_area __glue(_CACHE,_flush_kern_dcache_area)
147
148#define dmac_flush_range __glue(_CACHE,_dma_flush_range)
149#endif
150
151#endif