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