For Balloon 3 this is all superseded by bflash,
now in svn.
Basic support for Balloon2 is included but may well be broken.
Adding support for new NOR devices and for other devices on the chain should
be relatively easy.
We've been using bflash for configuring this first batch of L3's.
David.
-----Original Message-----
From:
balloon-bounces@balloonboard.org
[
mailto:balloon-bounces@balloonboard.org] On Behalf Of Paul Fidler
Sent: 15 February 2006 15:43
To: Wookey
Cc: Balloon;
david@itechnic.co.uk
Subject: Re: [Balloon] Re: L3 Jflash/Bootloader
On Feb 15 2006, Wookey wrote:
> Does the marvellous XJTAG not have a 'download code to this flash using
> this CPU' function? (we will still need Jflash or something similar in
> due course, but this might be better for your immediate purposes).
>
> Paul fiddler is the last person to have worked on Jflash, with intent to
> add L3 support I think. Paul?
I've actually been looking at using JFlash_MM, which seems to be Intel's
latest variant of the code that at one time or other was hacked to make
jflash-balloon.
It requires a config file for the platform and another for the NOR memory.
The plaform config file is largely based on the bsdl file for a particular
processor, but with some possibly board specific things like which
additional output lines need holding hi/lo while programming the flash.
Intel have example config files for PXA27x based boards so we can probably
just borrow one with a few tweaks.
The NOR config file is loaded automatically based on manufacturer and
device ids. The last version of JFlash_MM that I saw didn't ship with one
for the 29LV650UE (is that what we're going to be using) which would
require a config file called Flash_22D7_1_16.dat. These files are not
complicated and I've already written one for the 29LV650UE but haven't had
a chance to test it yet.
Paul Fidler
--
Cambridge University Engineering Department | Tel: +44 1223 332816
Trumpington Street, Cambridge, CB2 1PZ, UK | Fax: +44 1223 332662
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