diff options
Diffstat (limited to 'arch/arc/lib/cache.c')
-rw-r--r-- | arch/arc/lib/cache.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/arc/lib/cache.c b/arch/arc/lib/cache.c index a5aae3d232..5d7583d868 100644 --- a/arch/arc/lib/cache.c +++ b/arch/arc/lib/cache.c @@ -591,3 +591,26 @@ void flush_dcache_all(void) if (is_isa_arcv2() && !slc_data_bypass()) __slc_entire_op(OP_FLUSH); } + +/* + * This is function to cleanup all caches (and therefore sync I/D caches) which + * can be used for cleanup before linux launch or to sync caches during + * relocation. + */ +void sync_n_cleanup_cache_all(void) +{ + __dc_entire_op(OP_FLUSH_N_INV); + + /* + * If SL$ is bypassed for data it is used only for instructions, + * and we shouldn't flush it. So invalidate it instead of flush_n_inv. + */ + if (is_isa_arcv2()) { + if (slc_data_bypass()) + __slc_entire_op(OP_INV); + else + __slc_entire_op(OP_FLUSH_N_INV); + } + + __ic_entire_invalidate(); +} |