diff options
| author | Mike Frysinger <vapier@gentoo.org> | 2008-11-04 00:04:03 -0500 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2009-02-02 12:24:44 -0500 |
| commit | fdce83c108846d6f0d5b1774e1cc29f2573a6ad3 (patch) | |
| tree | 139791e83afe2517baa6ac1867565c580e91219e /include/asm-blackfin | |
| parent | 84c5f0dc47d17593fd81206614891bdc94f6d51c (diff) | |
Blackfin: rewrite cache handling functions
Take the cache flush functions from the kernel as they use hardware loops in
order to get optimal performance.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'include/asm-blackfin')
| -rw-r--r-- | include/asm-blackfin/blackfin_local.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/asm-blackfin/blackfin_local.h b/include/asm-blackfin/blackfin_local.h index 90259ba7d..4e1583443 100644 --- a/include/asm-blackfin/blackfin_local.h +++ b/include/asm-blackfin/blackfin_local.h @@ -43,6 +43,9 @@ #define SCLK_TO_MSEC(sclk) ((MSEC_PER_SEC * ((sclk) / USEC_PER_MSEC)) / (BFIN_SCLK / USEC_PER_MSEC)) #define MSEC_TO_SCLK(msec) ((((BFIN_SCLK / USEC_PER_MSEC) * (msec)) / MSEC_PER_SEC) * USEC_PER_MSEC) +#define L1_CACHE_SHIFT 5 +#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) + #include <asm/linkage.h> #ifndef __ASSEMBLY__ @@ -60,6 +63,7 @@ extern u_long get_sclk(void); extern void blackfin_icache_flush_range(const void *, const void *); extern void blackfin_dcache_flush_range(const void *, const void *); +extern void blackfin_icache_dcache_flush_range(const void *, const void *); extern void blackfin_dcache_flush_invalidate_range(const void *, const void *); /* Use DMA to move data from on chip to external memory. While this is |