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authorMike Frysinger <vapier@gentoo.org>2011-04-30 04:38:22 -0400
committerMike Frysinger <vapier@gentoo.org>2011-07-12 02:17:45 -0400
commit08a82a447b2a89d705edba952612d00c84129cb8 (patch)
treea8101bf56ae5557fa8d271d40210156413e12fcb /arch
parente46e8159c901f369c4260c61afcae8b4d6a50f2f (diff)
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Blackfin: dont reset SWRST on newer bf526 parts
The bug in the BF526 rom when doing a software reset exists only in older silicon versions, so don't clear SWRST on newer parts. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/blackfin/cpu/reset.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/blackfin/cpu/reset.c b/arch/blackfin/cpu/reset.c
index e23dcc7..ff39035 100644
--- a/arch/blackfin/cpu/reset.c
+++ b/arch/blackfin/cpu/reset.c
@@ -51,7 +51,9 @@ static void bfin_reset(void)
/* The BF526 ROM will crash during reset */
#if defined(__ADSPBF522__) || defined(__ADSPBF524__) || defined(__ADSPBF526__)
- bfin_read_SWRST();
+ /* Seems to be fixed with newer parts though ... */
+ if (__SILICON_REVISION__ < 1 && bfin_revid() < 1)
+ bfin_read_SWRST();
#endif
/* Wait for the SWRST write to complete. Cannot rely on SSYNC