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From: Holger Brunck <holger.brunck@keymile.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 1/5] arm/km: adapt bootcounter evaluation
Date: Fri, 28 Oct 2011 15:12:37 +0200	[thread overview]
Message-ID: <4EAAAA45.5060109@keymile.com> (raw)
In-Reply-To: <1315989666-8248-1-git-send-email-holger.brunck@keymile.com>

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 <holger.brunck@keymile.com>
> Signed-off-by: Valentin Longchamp <valentin.longchamp@keymile.com>
> cc: Prafulla Wadaskar <prafulla@marvell.com>
> ---
>  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

  parent reply	other threads:[~2011-10-28 13:12 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-09-14  8:41 [U-Boot] [PATCH 1/5] arm/km: adapt bootcounter evaluation Holger Brunck
2011-09-14  8:41 ` [U-Boot] [PATCH 2/5] arm/km: portl2 environment address update to P1B Holger Brunck
2011-09-14  8:41 ` [U-Boot] [PATCH 3/5] arm/km: add boardid and hwkey to kernel command line Holger Brunck
2011-09-14  8:41 ` [U-Boot] [PATCH 4/5] arm/km: trigger reconfiguration for the Xilinx FPGA Holger Brunck
2011-09-14  8:41 ` [U-Boot] [PATCH 5/5] arm/km: enable jffs2 cmds Holger Brunck
2011-10-28 13:12 ` Holger Brunck [this message]
2011-10-31  7:29   ` [U-Boot] [PATCH 1/5] arm/km: adapt bootcounter evaluation Prafulla Wadaskar
2011-10-31  8:13     ` Holger Brunck
2011-10-31  8:23       ` Prafulla Wadaskar
2011-10-31  8:48       ` Prafulla Wadaskar
2011-10-31 13:14         ` Holger Brunck

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