diff options
Diffstat (limited to 'arch/mips/include/asm/mach-paravirt/cpu-feature-overrides.h')
| -rw-r--r-- | arch/mips/include/asm/mach-paravirt/cpu-feature-overrides.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mach-paravirt/cpu-feature-overrides.h b/arch/mips/include/asm/mach-paravirt/cpu-feature-overrides.h new file mode 100644 index 000000000..725e1ed83 --- /dev/null +++ b/arch/mips/include/asm/mach-paravirt/cpu-feature-overrides.h @@ -0,0 +1,36 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2013 Cavium, Inc. + */ +#ifndef __ASM_MACH_PARAVIRT_CPU_FEATURE_OVERRIDES_H +#define __ASM_MACH_PARAVIRT_CPU_FEATURE_OVERRIDES_H + +#define cpu_has_4kex 1 +#define cpu_has_3k_cache 0 +#define cpu_has_tx39_cache 0 +#define cpu_has_counter 1 +#define cpu_has_llsc 1 +/* + * We Disable LL/SC on non SMP systems as it is faster to disable + * interrupts for atomic access than a LL/SC. + */ +#ifdef CONFIG_SMP +# define kernel_uses_llsc 1 +#else +# define kernel_uses_llsc 0 +#endif + +#ifdef CONFIG_CPU_CAVIUM_OCTEON +#define cpu_dcache_line_size() 128 +#define cpu_icache_line_size() 128 +#define cpu_has_octeon_cache 1 +#define cpu_has_4k_cache 0 +#else +#define cpu_has_octeon_cache 0 +#define cpu_has_4k_cache 1 +#endif + +#endif /* __ASM_MACH_PARAVIRT_CPU_FEATURE_OVERRIDES_H */ |