aboutsummaryrefslogtreecommitdiffstats
path: root/arch/blackfin/mach-common/cache.S
diff options
context:
space:
mode:
Diffstat (limited to 'arch/blackfin/mach-common/cache.S')
-rw-r--r--arch/blackfin/mach-common/cache.S8
1 files changed, 6 insertions, 2 deletions
diff --git a/arch/blackfin/mach-common/cache.S b/arch/blackfin/mach-common/cache.S
index db532181fbde..a028e9450419 100644
--- a/arch/blackfin/mach-common/cache.S
+++ b/arch/blackfin/mach-common/cache.S
@@ -25,9 +25,13 @@
25 */ 25 */
26.macro do_flush flushins:req optflushins optnopins label 26.macro do_flush flushins:req optflushins optnopins label
27 27
28 R2 = -L1_CACHE_BYTES;
29
30 /* start = (start & -L1_CACHE_BYTES) */
31 R0 = R0 & R2;
32
28 /* end = ((end - 1) & -L1_CACHE_BYTES) + L1_CACHE_BYTES; */ 33 /* end = ((end - 1) & -L1_CACHE_BYTES) + L1_CACHE_BYTES; */
29 R1 += -1; 34 R1 += -1;
30 R2 = -L1_CACHE_BYTES;
31 R1 = R1 & R2; 35 R1 = R1 & R2;
32 R1 += L1_CACHE_BYTES; 36 R1 += L1_CACHE_BYTES;
33 37
@@ -63,7 +67,7 @@ ENDPROC(_blackfin_icache_flush_range)
63 67
64/* Flush all cache lines assocoiated with this area of memory. */ 68/* Flush all cache lines assocoiated with this area of memory. */
65ENTRY(_blackfin_icache_dcache_flush_range) 69ENTRY(_blackfin_icache_dcache_flush_range)
66 do_flush IFLUSH, FLUSH 70 do_flush FLUSH, IFLUSH
67ENDPROC(_blackfin_icache_dcache_flush_range) 71ENDPROC(_blackfin_icache_dcache_flush_range)
68 72
69/* Throw away all D-cached data in specified region without any obligation to 73/* Throw away all D-cached data in specified region without any obligation to