diff options
Diffstat (limited to 'arch/blackfin/mach-common/cache.S')
| -rw-r--r-- | arch/blackfin/mach-common/cache.S | 16 |
1 files changed, 0 insertions, 16 deletions
diff --git a/arch/blackfin/mach-common/cache.S b/arch/blackfin/mach-common/cache.S index aa0648c6a9f..c295e8f837c 100644 --- a/arch/blackfin/mach-common/cache.S +++ b/arch/blackfin/mach-common/cache.S @@ -80,22 +80,6 @@ ENTRY(_blackfin_icache_flush_range) do_flush IFLUSH, , nop ENDPROC(_blackfin_icache_flush_range) -/* Flush all cache lines assocoiated with this area of memory. */ -ENTRY(_blackfin_icache_dcache_flush_range) -/* - * Walkaround to avoid loading wrong instruction after invalidating icache - * and following sequence is met. - * - * 1) One instruction address is cached in the instruction cache. - * 2) This instruction in SDRAM is changed. - * 3) IFLASH[P0] is executed only once in blackfin_icache_flush_range(). - * 4) This instruction is executed again, but the old one is loaded. - */ - P0 = R0; - IFLUSH[P0]; - do_flush FLUSH, IFLUSH -ENDPROC(_blackfin_icache_dcache_flush_range) - /* Throw away all D-cached data in specified region without any obligation to * write them back. Since the Blackfin ISA does not have an "invalidate" * instruction, we use flush/invalidate. Perhaps as a speed optimization we |