From fdce83c108846d6f0d5b1774e1cc29f2573a6ad3 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Tue, 4 Nov 2008 00:04:03 -0500 Subject: 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 --- include/asm-blackfin/blackfin_local.h | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'include/asm-blackfin') 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 #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 -- cgit v1.2.3