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 */ 37