From: llandre <r&d2@dave-tech.it>
To: u-boot@lists.denx.de
Subject: [U-Boot-Users] Setting strataflash lock bit accidentally
Date: Fri, 21 Jul 2006 13:22:20 +0200 [thread overview]
Message-ID: <44C0B8EC.8090405@dave-tech.it> (raw)
In-Reply-To: <20060721110214.1BC74352660@atlas.denx.de>
>> Let's assume that, because a software bug, an application has
>> accidentally set the lock bit of the flash sector used to store the
>> U-Boot environment. In this case, when trying to store a new environment
>> with the saveenv command, U-Boot would not be able to complete the
>> operation. Is it enough to define CFG_FLASH_PROTECTION in order to
>> handle this situation and to allow U-Boot to unlock the sector (same
>> thing would happen in case the locked sectors fall in the memrory area
>> devoted to store kernels or ramsisks)? If no, how do you suggest to
>> manage this situation?
>
> Use MTD tools under Linux to unlock the flash?
Indeed this is a possible solution but I'm looking for a general one
implemented in u-boot. In fact it must work with any operating system
and I must assume o.s. might not provide MTD or similar tools.
--
llandre
DAVE Electronics System House - R&D Department
web: http://www.dave-tech.it
email: r&d2 at dave-tech.it
next prev parent reply other threads:[~2006-07-21 11:22 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-07-21 10:19 [U-Boot-Users] Setting strataflash lock bit accidentally llandre
2006-07-21 11:02 ` Wolfgang Denk
2006-07-21 11:22 ` llandre [this message]
2006-07-21 11:45 ` Wolfgang Denk
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=44C0B8EC.8090405@dave-tech.it \
--to=r&d2@dave-tech.it \
--cc=u-boot@lists.denx.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox