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Russell King753790e2011-02-06 15:32:24 +00001/*
2 * arch/arm/include/asm/glue-pf.h
3 *
4 * Copyright (C) 1997-1999 Russell King
5 * Copyright (C) 2000-2002 Deep Blue Solutions Ltd.
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 */
11#ifndef ASM_GLUE_PF_H
12#define ASM_GLUE_PF_H
13
14#include <asm/glue.h>
15
16/*
17 * Prefetch Abort Model
18 * ================
19 *
20 * We have the following to choose from:
21 * legacy - no IFSR, no IFAR
22 * v6 - ARMv6: IFSR, no IFAR
23 * v7 - ARMv7: IFSR and IFAR
24 */
25
26#undef CPU_PABORT_HANDLER
27#undef MULTI_PABORT
28
29#ifdef CONFIG_CPU_PABRT_LEGACY
30# ifdef CPU_PABORT_HANDLER
31# define MULTI_PABORT 1
32# else
33# define CPU_PABORT_HANDLER legacy_pabort
34# endif
35#endif
36
37#ifdef CONFIG_CPU_PABRT_V6
38# ifdef CPU_PABORT_HANDLER
39# define MULTI_PABORT 1
40# else
41# define CPU_PABORT_HANDLER v6_pabort
42# endif
43#endif
44
45#ifdef CONFIG_CPU_PABRT_V7
46# ifdef CPU_PABORT_HANDLER
47# define MULTI_PABORT 1
48# else
49# define CPU_PABORT_HANDLER v7_pabort
50# endif
51#endif
52
53#ifndef CPU_PABORT_HANDLER
54#error Unknown prefetch abort handler type
55#endif
56
57#endif