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Blackfin: fix dcache handling when doing dma memcpy's

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Our dcache invalidate function doesn't just invalidate, it also flushes.
So rename the function accordingly and fix the dma_memcpy() function so it
doesn't inadvertently corrupt the data destination.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Mike Frysinger
2008-10-06 03:35:44 -04:00
parent 68e5632494
commit 05b75e4883
3 changed files with 10 additions and 7 deletions
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4
cpu/blackfin/cache.S
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@@ -39,7 +39,7 @@ ENTRY(_blackfin_dcache_flush_range)
RTS;
ENDPROC(_blackfin_dcache_flush_range)
ENTRY(_blackfin_dcache_invalidate_range)
ENTRY(_blackfin_dcache_flush_invalidate_range)
R2 = -32;
R2 = R0 & R2;
P0 = R2;
@@ -58,4 +58,4 @@ ENTRY(_blackfin_dcache_invalidate_range)
FLUSHINV[P0];
SSYNC;
RTS;
ENDPROC(_blackfin_dcache_invalidate_range)
ENDPROC(_blackfin_dcache_flush_invalidate_range)