From 08a82a447b2a89d705edba952612d00c84129cb8 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Sat, 30 Apr 2011 04:38:22 -0400 Subject: [PATCH] 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 --- arch/blackfin/cpu/reset.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) 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 -- 2.7.4