From: Thomas Lange <thomas@corelatus.se>
To: u-boot@lists.denx.de
Subject: [U-Boot-Users] Fail Safe: Redundant U-boot Images in Flash????
Date: Fri, 23 Sep 2005 22:02:27 +0200 [thread overview]
Message-ID: <43345F53.5010100@corelatus.se> (raw)
In-Reply-To: <5F98E47AD7B1C349895ED4E2EDF3918B01F291FF@stca209a>
Roberts, John wrote:
>The code at the entry point needs to be small, reliable and never require an
>upgrade in the field. This code would run a CRC on the primary U-boot image
>to determine if it's safe to boot, upon CRC failure verify then run the
>backup image.
>
>For remote systems we need to resolve the issue of upgrade failure without
>human intervention - or perhaps remote human intervention.
>
>
We have done this on our board "gth".
We use a pre-loader called miniboot:
http://opensource.se/projects/miniboot/index.html
Miniboot choose which of two u-boot images to boot by checking CRC.
Regards,
/Thomas
next prev parent reply other threads:[~2005-09-23 20:02 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-09-23 19:35 [U-Boot-Users] Fail Safe: Redundant U-boot Images in Flash??? ? Roberts, John
2005-09-23 19:40 ` Frank
2005-09-23 20:02 ` Thomas Lange [this message]
2005-09-23 20:43 ` Wolfgang Denk
-- strict thread matches above, loose matches on Subject: below --
2005-09-23 21:40 Eisenhut, Daniel
2005-09-23 22:29 ` Frank
2005-09-23 21:34 Eisenhut, Daniel
2005-09-23 22:23 ` Frank
2005-09-23 21:09 Eisenhut, Daniel
2005-09-23 21:19 ` Frank
2005-09-23 21:22 ` Frank
2005-09-23 18:52 [U-Boot-Users] Fail Safe: Redundant U-boot Images in Flash???? Eisenhut, Daniel
2005-09-23 19:06 ` Wolfgang Denk
2005-09-23 17:02 Roberts, John
2005-09-23 18:56 ` Wolfgang Denk
2005-09-23 19:22 ` Dan Malek
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