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-rw-r--r--arch/blackfin/mach-common/cache-c.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/arch/blackfin/mach-common/cache-c.c b/arch/blackfin/mach-common/cache-c.c
index e6ab1f815123..b59ce3cb3807 100644
--- a/arch/blackfin/mach-common/cache-c.c
+++ b/arch/blackfin/mach-common/cache-c.c
@@ -16,9 +16,21 @@
16void blackfin_invalidate_entire_dcache(void) 16void blackfin_invalidate_entire_dcache(void)
17{ 17{
18 u32 dmem = bfin_read_DMEM_CONTROL(); 18 u32 dmem = bfin_read_DMEM_CONTROL();
19 SSYNC();
20 bfin_write_DMEM_CONTROL(dmem & ~0xc); 19 bfin_write_DMEM_CONTROL(dmem & ~0xc);
21 SSYNC(); 20 SSYNC();
22 bfin_write_DMEM_CONTROL(dmem); 21 bfin_write_DMEM_CONTROL(dmem);
23 SSYNC(); 22 SSYNC();
24} 23}
24
25/* Invalidate the Entire Instruction cache by
26 * clearing IMC bit
27 */
28void blackfin_invalidate_entire_icache(void)
29{
30 u32 imem = bfin_read_IMEM_CONTROL();
31 bfin_write_IMEM_CONTROL(imem & ~0x4);
32 SSYNC();
33 bfin_write_IMEM_CONTROL(imem);
34 SSYNC();
35}
36