diff options
| -rw-r--r-- | arch/mips/mm/c-r4k.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c index 77fbaf1cdfd6..3415d3e2a63b 100644 --- a/arch/mips/mm/c-r4k.c +++ b/arch/mips/mm/c-r4k.c @@ -1796,6 +1796,20 @@ void r4k_cache_init(void) /* Optimization: an L2 flush implicitly flushes the L1 */ current_cpu_data.options |= MIPS_CPU_INCLUSIVE_CACHES; break; + case CPU_LOONGSON3: + /* Loongson-3 maintains cache coherency by hardware */ + __flush_cache_all = cache_noop; + __flush_cache_vmap = cache_noop; + __flush_cache_vunmap = cache_noop; + __flush_kernel_vmap_range = (void *)cache_noop; + flush_cache_mm = (void *)cache_noop; + flush_cache_page = (void *)cache_noop; + flush_cache_range = (void *)cache_noop; + flush_cache_sigtramp = (void *)cache_noop; + flush_icache_all = (void *)cache_noop; + flush_data_cache_page = (void *)cache_noop; + local_flush_data_cache_page = (void *)cache_noop; + break; } } |