diff options
Diffstat (limited to 'arch/arm/mm')
| -rw-r--r-- | arch/arm/mm/cache-v6.S | 18 |
1 files changed, 6 insertions, 12 deletions
diff --git a/arch/arm/mm/cache-v6.S b/arch/arm/mm/cache-v6.S index 72966d90e956..d921c1024ae0 100644 --- a/arch/arm/mm/cache-v6.S +++ b/arch/arm/mm/cache-v6.S @@ -92,22 +92,16 @@ ENTRY(v6_coherent_kern_range) * - the Icache does not read data from the write buffer */ ENTRY(v6_coherent_user_range) - bic r0, r0, #CACHE_LINE_SIZE - 1 -1: + #ifdef HARVARD_CACHE - mcr p15, 0, r0, c7, c10, 1 @ clean D line + bic r0, r0, #CACHE_LINE_SIZE - 1 +1: mcr p15, 0, r0, c7, c10, 1 @ clean D line mcr p15, 0, r0, c7, c5, 1 @ invalidate I line -#endif - mcr p15, 0, r0, c7, c5, 7 @ invalidate BTB entry - add r0, r0, #BTB_FLUSH_SIZE - mcr p15, 0, r0, c7, c5, 7 @ invalidate BTB entry - add r0, r0, #BTB_FLUSH_SIZE - mcr p15, 0, r0, c7, c5, 7 @ invalidate BTB entry - add r0, r0, #BTB_FLUSH_SIZE - mcr p15, 0, r0, c7, c5, 7 @ invalidate BTB entry - add r0, r0, #BTB_FLUSH_SIZE + add r0, r0, #CACHE_LINE_SIZE cmp r0, r1 blo 1b +#endif + mcr p15, 0, r0, c7, c5, 6 @ invalidate BTB #ifdef HARVARD_CACHE mov r0, #0 mcr p15, 0, r0, c7, c10, 4 @ drain write buffer |
