| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 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 */ |