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Re: Creating eCos flash application image for AT91 EB40a Redboot
- From: Nick Garnett <nickg at ecoscentric dot com>
- To: Øyvind Harboe <oyvind dot harboe at zylin dot com>
- Cc: "'Jonathan Larmour'" <jifl at eCosCentric dot com>,<ecos-discuss at sources dot redhat dot com>
- Date: 23 May 2003 16:52:07 +0100
- Subject: Re: [ECOS] Creating eCos flash application image for AT91 EB40a Redboot
- References: <000001c32127$638c8320$73dea8c0@lair>
Øyvind Harboe <oyvind.harboe@zylin.com> writes:
> Is there a reason(other than that it isn't done yet)
> why the Redboot load command does not support writing to flash?
>
> It seems like all the hard pieces are already done. Previously
> I worked with a home made bootloader, and it had a load command
> that wrote directly from serial port to flash.
The main problem is that the load command and the flash commands are
totally independent at present. To work the loader would have to write
to memory through some interface that interacted with the flash
subsystem in some way. Not impossible, but just not done this way at
present.
--
Nick Garnett eCos Kernel Architect
http://www.ecoscentric.com/ The eCos and RedBoot experts
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