Debrick La Fonera with JTAG

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t0xxiC
DD-WRT Novice


Joined: 09 Mar 2008
Posts: 3

PostPosted: Sun Mar 09, 2008 11:00    Post subject: Debrick La Fonera with JTAG Reply with quote
Hello
i am trying to get JTAG working on La Fonera.
I am using URJtag http://urjtag.org/
But it seems that i need some Peeks and Poke (like on old 8bit Machines) to get the Software working with the Flash of the la Fonera. Is anyone interested to help me? I have build a german Wiki Page with some Details.
http://wiki.freifunk-hannover.de/DebrickLaFonera
If you need translation on that please write me a PM.
Maybe it is also possible to Flash LaFonera with a SPI Interface which are used with Microcontrollers.

TIA and Best Regards
t0xxiC
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desigabri
DD-WRT User


Joined: 29 Jan 2008
Posts: 59

PostPosted: Sun Mar 09, 2008 23:13    Post subject: hello Reply with quote
I'm interested about it!!! take a look at my topic http://www.dd-wrt.com/phpBB2/viewtopic.php?t=27085

for your knowledge there is another boy who started to similar project. He's working on tjtag (that works in DOS) it seems to me more simple that urjtag. So I prefer his solution, but may be that a solution from you can help him in his goal. He ported the atheros driver into tjtag but is working to spi support. I'd like to help you in your job but the only thing that I can do is the beta tester because I don't know programming.

May be that you know them, but I send to you some usefull link about M25Pxx used on foneras and other boards as you can read in my topic.

http://www.st.com/stonline/products/families/memories/fl_ser/2082b2.zip

and others related:

http://www.st.com/stonline/products/families/memories/fl_ser/sf_code.htm
http://www.stmicroelectronic.com/stonline/books/pdf/docs/11036.pdf
http://www.st.com/stonline/products/literature/um/13248.pdf
http://www.st.com/stonline/products/literature/um/13248.htm
http://www.st.com/stonline/books/pdf/docs/8354.pdf
http://www.xilinx.com/support/documentation/application_notes/xapp974.pdf
http://www.st.com/stonline/products/literature/ds/10027/m25p16.pdf
http://www.st.com/stonline/products/literature/ds/10366/m25p32.pdf
http://www.st.com/stonline/products/literature/ds/10987/m25p64.pdf
http://www.st.com/stonline/products/literature/ds/12018/m25p128.pdf
Sash
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Joined: 20 Sep 2006
Posts: 17638
Location: Hesse/Germany

PostPosted: Mon Mar 10, 2008 16:19    Post subject: Reply with quote
i pm´ed tornado.

he´s is enhancing the original hairyday jtag utility at the ddwrt side. he added whr-hp-ag108 support which is atheros based.
so fonera and other atheros devices are possible

sash

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desigabri
DD-WRT User


Joined: 29 Jan 2008
Posts: 59

PostPosted: Mon Mar 10, 2008 18:26    Post subject: Reply with quote
yes i was speaking about him, but didn't say because I don't know if he needs a bit of privacy.
HausBoot
DD-WRT Novice


Joined: 26 Oct 2007
Posts: 36

PostPosted: Wed Mar 19, 2008 9:22    Post subject: Reply with quote
Hi,

does it give news to flasch the FONera with JTAG?

By.
desigabri
DD-WRT User


Joined: 29 Jan 2008
Posts: 59

PostPosted: Thu Mar 20, 2008 1:07    Post subject: I don't know... Reply with quote
i connect at least two times a day hopeing to find news. May be the problem is too big...
Tornado
DD-WRT Developer/Maintainer


Joined: 07 Jun 2006
Posts: 2087
Location: Odessa, Ukraine

PostPosted: Fri Mar 21, 2008 17:53    Post subject: Reply with quote
The problem is lack of feedback, and testers, need correct jtag pinouts, etc...
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My preferred parallel jtag adapter:
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Tjtag website - http://tjtag.com

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desigabri
DD-WRT User


Joined: 29 Jan 2008
Posts: 59

PostPosted: Fri Mar 28, 2008 13:53    Post subject: Good news people Reply with quote
yes: Jtag Tornado modifications recognizes the chipset Atheros. It is a very good new for me because now I'm sure for the jtag pinouts on the tested
boards.
Fonera 2200A and Philips SNB6500

E:\JTAG software\tjtagv2-1-4\windows> -probeonly

==========================================
EJTAG Debrick Utility v2.1.4-Tornado-MOD
==========================================

Probing bus ... Done

Instruction Length set to 5

CPU Chip ID: 00000000000000000000000000000001 (00000001)
*** Found a Atheros AR531X/231X CPU chip ***

- EJTAG IMPCODE ....... : 00000000000000000000000000000000 (000
- EJTAG Version ....... : 1 or 2.0
- EJTAG DMA Support ... : Yes
- EJTAG Implementation flags: R4k MIPS32

Issuing Processor / Peripheral Reset ... Done
Enabling Memory Writes ... Done
Halting Processor ... <Processor did NOT enter Debug Mode!> ... Don
Clearing Watchdog ... DoneDone
Enabling Atheros Flash Read/Write ... Done

Probing Flash at (Flash Window: 0x1fc00000) ... Done

*** Unknown or NO Flash Chip Detected ***

*** REQUESTED OPERATION IS COMPLETE ***


E:\JTAG software\tjtagv2-1-4\windows>
desigabri
DD-WRT User


Joined: 29 Jan 2008
Posts: 59

PostPosted: Mon Mar 31, 2008 2:54    Post subject: Reply with quote
Fonera boards(8M/16M):
JTAG: http://www.dd-wrt.com/wiki/index.php/JTAG_pinouts#Fonera_2200A
Simon
DD-WRT Guru


Joined: 20 Jul 2007
Posts: 612

PostPosted: Mon Mar 31, 2008 20:54    Post subject: Reply with quote
Hi,

Why not try one of these:

http://www.usbjtag.com/usbjtag.php
http://www.usbjtag.com/jtagdevices/wrt54gsv6.php

They are a bit/alot faster I've been told, at least it's true for the Linksys Routers/Broadcom Routers.

-Simon
desigabri
DD-WRT User


Joined: 29 Jan 2008
Posts: 59

PostPosted: Mon Mar 31, 2008 21:05    Post subject: Reply with quote
Simon wrote:
Hi,

Why not try one of these:

http://www.usbjtag.com/usbjtag.php
http://www.usbjtag.com/jtagdevices/wrt54gsv6.php

They are a bit/alot faster I've been told, at least it's true for the Linksys Routers/Broadcom Routers.

-Simon


very interesting...but do it flash atheros devices with serial eprom?
Simon
DD-WRT Guru


Joined: 20 Jul 2007
Posts: 612

PostPosted: Mon Mar 31, 2008 21:12    Post subject: Reply with quote
They should be similar, except the config file used, they even have a video on the wrt54gs:

http://www.usbjtag.com/pafiledb/index.php?act=view&id=74

It seems pretty flexible, you only need to properly edit/change the "usbjtag.def" file for different boards.
desigabri
DD-WRT User


Joined: 29 Jan 2008
Posts: 59

PostPosted: Mon Mar 31, 2008 21:18    Post subject: Reply with quote
Simon wrote:
They should be similar, except the config file used, they even have a video on the wrt54gs:

http://www.usbjtag.com/pafiledb/index.php?act=view&id=74

It seems pretty flexible, you only need to properly edit/change the "usbjtag.def" file for different boards.

only edit? If I knew the differences from parallel eprom and serial one, and If I knew programming, I would try to make tjtag working alone. Do you think you can edit the file.def to programm atheros with serial eprom? Please do it!
Simon
DD-WRT Guru


Joined: 20 Jul 2007
Posts: 612

PostPosted: Mon Mar 31, 2008 22:12    Post subject: Reply with quote
I was referring to the usbjtag cable. They use a unique set of drivers and programming utility. I'm hoping to replace many of my serial & parallel stuff w/ usb stuff. I've since replaced all my serial-ttl cables with vista compatible versions. jtag is a totally different story. Commercial jtag stations are VERY expensive!
desigabri
DD-WRT User


Joined: 29 Jan 2008
Posts: 59

PostPosted: Mon Mar 31, 2008 22:29    Post subject: Reply with quote
Simon wrote:
I was referring to the usbjtag cable. They use a unique set of drivers and programming utility. I'm hoping to replace many of my serial & parallel stuff w/ usb stuff. I've since replaced all my serial-ttl cables with vista compatible versions. jtag is a totally different story. Commercial jtag stations are VERY expensive!

Yes I have undertood you. Sorry for my english I need to write more and more times to transmit my thought. You did mean usbjtag: ok, but i asked to you if with it I can programm devices with atheros and serial eprom mounted. Do that usbjtag support it?
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