Adam Kropelin napsal(a):
>
>
> Andrew Gaylard wrote:
> > Hi,
> >
> > My TS-7200 (8MB flash, 32 MB RAM, rev C PLD) died on me
> > yesterday. It appears that the flash has been erased. So I'm
> > trying to get it back together.
> >
> > On power-up, I see this sequence:
> > - both LEDs light up for approximately one second,
> > - then they both go off,
> > - then the green LED flashes rapidly, approximately twice per second.
> >
> > With JP1 open, nothing written to the COM1 port, either at 9600 or
> > at 115200. With JP1 closed (serial boot), I get a single '<' at 9600.
> >
> > With the help of serialblaster, I have successfully got it to load
> > the ts7260-32-kernel file, which despite the name is redboot.
> > Having got that far, I can tell redboot to load a Linux kernel via
> > the serial port, and boot it successfully, so it looks like the board
> > is in good shape.
> >
> > However, the ts7260-32-kernel version of redboot doesn't "see"
> > my flash, so I can't initialise it and reload it. I guess that's
> > because the TS-7200 has a different flash-chip (NOR, not NAND).
> >
> > Why am I using ts7260-32-kernel? Because the redboot.bin file
> > supplied with serialblaster doesn't work at all, and redboot doesn't
> > build using the ecos-src.tar.gz from ftp://ftp.embeddedarm.com,
> <ftp://ftp.embeddedarm.com,>
> > either for the 7200 or the 7250.
> >
> > I see from
> >
> http://bioacoustics.cse.unsw.edu.au/archives/html/ts-7000/2006-06/msg00107.html
>
> <http://bioacoustics.cse.unsw.edu.au/archives/html/ts-7000/2006-06/msg00107.html>
> > that it *is* possible to recover a TS-7200 from this state:
> > Matthieu Crapet modified Curtis Monroe's boot.S to rewrite
> > the NOR-flash on his TS-7200.
>
> I did the same thing a couple weeks ago after I toasted my NOR flash image.
> I hacked up serial_blaster to rewrite the NOR.
>
> I started to make my hacked-up serial_blaster code into an easy-to-use
> ts7200 recovery tool but got distracted with other things. I've zipped up
> the package where I left off along with a few notes in the readme and
> uploaded it to the group's files section (ts7200-recover.zip) At the very
> least I think you'll find some useful things in there...or even maybe
> you'll
> have time to finish it up...
>
> One of the most interesting files is "ts7200_nor_image.bin" which is a full
> ts7200 NOR flash image for the 8 MB boards. I created it by concatenating
> the tsbootrom, tslinux image, and redboot from TS's FTP site. Took quite a
> while to find the right versions of all those, but I believe they match the
> factory originals my relatively recent board came with, based on saved boot
> logs I had from before my little accident. I would have included the
> separate image files as well but they make the zip exceed the group's max
> file size limit. Let me if you need them and I'll upload them separately.
>
> There is also a modified boot.S which will download the file and program it
> into NOR at 0x60000000. That file still needs some cleanup but I
> successfully rewrote my NOR with it several times.
>
> There are a couple bugs/issues in serial_blaster.c that I had to change as
> well. The new file is recover.c and is also in need of cleanup and probably
> some more fixes before it will work.
>
> Anyway, this is probably not ready to use out-of-the-box, but it should get
> you 90% of the way there. Feel free to email me questions, etc. I can help
> you get it running. Maybe one of us will even find the time to clean it
> up a
> bit so it's easy to use...
>
> --Adam
>
I have dead 7200 and recovery board but still nothing. Could you send me your
work and I put it to my web sever to
public it if you want.
Regards
Dan
--
Mydatex s r.o.
http://www.mydatex.cz
email:
mob: 604200362
tel: 226210085
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