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1/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 2013 Cavium, Inc.
7 */
8#ifndef __ASM_MACH_PARAVIRT_CPU_FEATURE_OVERRIDES_H
9#define __ASM_MACH_PARAVIRT_CPU_FEATURE_OVERRIDES_H
10
11#define cpu_has_4kex 1
12#define cpu_has_3k_cache 0
13#define cpu_has_tx39_cache 0
14#define cpu_has_counter 1
15#define cpu_has_llsc 1
16/*
17 * We Disable LL/SC on non SMP systems as it is faster to disable
18 * interrupts for atomic access than a LL/SC.
19 */
20#ifdef CONFIG_SMP
21# define kernel_uses_llsc 1
22#else
23# define kernel_uses_llsc 0
24#endif
25
26#ifdef CONFIG_CPU_CAVIUM_OCTEON
27#define cpu_dcache_line_size() 128
28#define cpu_icache_line_size() 128
29#define cpu_has_octeon_cache 1
30#define cpu_has_4k_cache 0
31#else
32#define cpu_has_octeon_cache 0
33#define cpu_has_4k_cache 1
34#endif
35
36#endif /* __ASM_MACH_PARAVIRT_CPU_FEATURE_OVERRIDES_H */
1/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 2013 Cavium, Inc.
7 */
8#ifndef __ASM_MACH_PARAVIRT_CPU_FEATURE_OVERRIDES_H
9#define __ASM_MACH_PARAVIRT_CPU_FEATURE_OVERRIDES_H
10
11#define cpu_has_4kex 1
12#define cpu_has_3k_cache 0
13#define cpu_has_tx39_cache 0
14#define cpu_has_counter 1
15#define cpu_has_llsc 1
16/*
17 * We Disable LL/SC on non SMP systems as it is faster to disable
18 * interrupts for atomic access than a LL/SC.
19 */
20#ifdef CONFIG_SMP
21# define kernel_uses_llsc 1
22#else
23# define kernel_uses_llsc 0
24#endif
25
26#ifdef CONFIG_CPU_CAVIUM_OCTEON
27#define cpu_dcache_line_size() 128
28#define cpu_icache_line_size() 128
29#define cpu_has_octeon_cache 1
30#define cpu_has_4k_cache 0
31#else
32#define cpu_has_octeon_cache 0
33#define cpu_has_4k_cache 1
34#endif
35
36#endif /* __ASM_MACH_PARAVIRT_CPU_FEATURE_OVERRIDES_H */