From mboxrd@z Thu Jan 1 00:00:00 1970 From: Holger Brunck Date: Fri, 28 Oct 2011 15:12:37 +0200 Subject: [U-Boot] [PATCH 1/5] arm/km: adapt bootcounter evaluation In-Reply-To: <1315989666-8248-1-git-send-email-holger.brunck@keymile.com> References: <1315989666-8248-1-git-send-email-holger.brunck@keymile.com> Message-ID: <4EAAAA45.5060109@keymile.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hi Prafulla, On 09/14/2011 10:41 AM, Holger Brunck wrote: > The bootcounter (stored in the RAM) is not enough protected with the 4 Bytes > BOOTCOUNT_MAGIC against bit errors due to short power loss or holding a system > in RESET. It has been seen, that the bootcounter value has been changed due to > a bit flip on a system holding in RESET, but the BOOTCOUNT_MAGIC was still valid. > > A bit pattern with 4000 bytes (after BOOTCOUNT_MAGIC) has been implemented, > which should be enough to detect a bit error. > > Signed-off-by: Holger Brunck > Signed-off-by: Valentin Longchamp > cc: Prafulla Wadaskar > --- > board/keymile/km_arm/km_arm.c | 32 +++++++++++++++++++++++++++----- > 1 files changed, 27 insertions(+), 5 deletions(-) > ...ping... Or should this serie not go through your tree? If so then please let me know. Same question for these two patches: http://lists.denx.de/pipermail/u-boot/2011-September/102534.html http://lists.denx.de/pipermail/u-boot/2011-September/102535.html Best regards Holger