Hi
I have been on holiday so I only just got your mail.
Replies below.
----- Original Message -----
From: "gjx" <
xiaoxing001@etang.com>
To: "Nick Bane" <
nick@cecomputing.co.uk>
Sent: Monday, April 14, 2003 6:31 AM
Subject: Re: Re: some questions to use the Yaffs
> hello,Nick Bane
>
>
> >The bootloader for balloon is indeed stored in NOR. We now use 1/2MB AMD
NOR
> >flash chips as they are very cheap.
>
> do you maintain balloon project now?
>
I am the lead implementer for the balloon project at the moment. I am doing
this for Toby Churchill Ltd - the company who started the Balloon. Aleph1
(Wookey) are going to eventually take over the commercialisation and general
handling of the project once the final boards are released. This is expected
to be at the end of the May.
> >The OS image is in a separate yaffs partition on nand for speed of
booting
> >and the rest is the root fs.
>
> when the partitions on nand are made? is it after the bootloader has
started and been working? in addtion, how to make the partitions on nand, is
there the code to make partition in bootloader?
>
The bootloader declares 2 nand yaffs partitions. These are loaded using
xmodem with gz compressed yaffs images made exteranlly using mkyaffsimage.
> >The latest bootldr from handhelds.org illustrates the inclusion of yaffs
in
> >Bootldr using my diffs as a base. However, this is not a complete working
> >system so yesterday I ported our current bootldr to use the same
structure
> >as the handhelds code.
> >I will be zipping that and putting it on the balloon website very
shortly.
> >If I don't get around to it speediliy enough for you, do email me for a
> >copy.
>
> i have not seen it on the ballooon website ,please send me a copy. can you
send me the related docment about the performance of the yaffs with bootldr
which the balloon applys.thanks very much!
>
Coming later - today maybe.
> >There is usb bootldr support included and it seems to all nearly work
until
> >the first nak packet at which the usb dies. This is typically after about
> >2MB of upload so it is nearly there.
> >
> >Nick Bane
> >
>
>
>
>
> gjx
> xiaoxing001@etang.com
> 2003-04-14
>
>
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