From: Andrew Lunn <andrew@lunn.ch>
To: Will Wagner <will_wagner@carallon.com>
Cc: ecos-discuss@sources.redhat.com
Subject: Re: [ECOS] flash erase and bootblocks
Date: Wed, 11 May 2005 20:41:00 -0000 [thread overview]
Message-ID: <20050511202137.GR31731@lunn.ch> (raw)
In-Reply-To: <427F303D.8000806@carallon.com>
On Mon, May 09, 2005 at 10:41:17AM +0100, Will Wagner wrote:
> Hi All,
>
> I have a question about support for smaller bootblock sectors when
> erasing/programming flash.
>
> I have a driver for AMD AM29DL323D flash chips all working nicely. These
> chips have 8 smaller sectors at the beginning of flash.
>
> The erase and program routines in flash_am29xxxx.inl have support for
> the smaller bootblocks. However the flash_erase function in flash.c
> doesn't support the bootblocks so if I try to erase just one of the
> smaller sectors it erases all of them at once.
>
> Anyone got any suggestions on how to get round this? Otherwise I guess
> I'll have to alter flash_erase to suit my needs.
Take a look at the flash_v2 branch in CVS. It has a new api which
should allow this to work much cleaner. There is a driver for AMD
devices, but i don't know if this particular device is supported. You
will need to check the sources.
Andrew
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next prev parent reply other threads:[~2005-05-11 20:21 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-05-09 14:08 Will Wagner
2005-05-11 20:41 ` Andrew Lunn [this message]
2005-05-12 10:34 ` Bart Veer
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