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 --- v2 - skip 0.1 silicon as well since it seems to work
arch/blackfin/cpu/reset.c | 4 +++- 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