TJTAG - EJTAG De-Brick tool - IMPORTANT CHANGE:See 1st Post.

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jmh9072
DD-WRT Guru


Joined: 04 Sep 2007
Posts: 800
Location: Ohio

PostPosted: Sat Oct 04, 2008 15:37    Post subject: Reply with quote
oprst wrote:
Don't know that with it have done, reset button was broken (has repaired), was not ping, power blinked, closing pin flash did not help. After Jtag ping appeared, but not more. Has repeated operation with /noemw /noreset, ok.
However I think that too early on/off after uploading Linksys firmware...

If you want to upload Linksys firmware via JTAG, you need to take off the header with a hex editor. However, you can upload dd-wrt generic images in their current form.

Alternatively, you could erase the kernel and nvram and use TFTP to flash the Linksys firmware.

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steveaustin316
DD-WRT Novice


Joined: 01 Jun 2008
Posts: 28

PostPosted: Sat Oct 11, 2008 22:56    Post subject: Reply with quote
hi tornado or someone else can help me

i do the jtag , i erase all , i not have backups i need to restore wnr834b v2 the program is already detect the router i not have the full wholeflash , i no have nothing someone can explain to me step by step what i need to do? and thanks
Murrkf
DD-WRT Guru


Joined: 22 Sep 2008
Posts: 12675

PostPosted: Sun Oct 12, 2008 0:11    Post subject: Reply with quote
steveaustin316 wrote:

i do the jtag , i erase all , i not have backups i need to restore wnr834b v2 the program is already detect the router i not have the full wholeflash , i no have nothing someone can explain to me step by step what i need to do? and thanks


You will need a CFE.bin file for a wnr834b v.2. Not sure whether someone around here has one. Good luck.
ranvik
DD-WRT Novice


Joined: 12 Oct 2008
Posts: 4

PostPosted: Sun Oct 12, 2008 21:43    Post subject: Reply with quote
hei
i have problem with a telsey router.

her i wath i got:
==========================================
EJTAG Debrick Utility v2.1.4-Tornado-MOD
==========================================

Probing bus ... Done

Instruction Length set to 5

CPU Chip ID: 00010111000000110010000011011101 (170320DD)
*** Unknown or NO CPU Chip ID Detected ***

*** Possible Causes:
1) Device is not Connected.
2) Device is not Powered On.
3) Improper JTAG Cable.
4) Unrecognized CPU Chip ID.




the cpu is: ALTERA epm3032a
her is the info from the web page:
http://www.altera.com/literature/ds/m3000a.pdf
more info:
http://www.cmhacks.com/web/forum/viewthread.php?forum_id=20&thread_id=906

is ther any one that have time to adde this to the software ?
Murrkf
DD-WRT Guru


Joined: 22 Sep 2008
Posts: 12675

PostPosted: Sun Oct 12, 2008 23:05    Post subject: Reply with quote
ranvik wrote:
hei
i have problem with a telsey router.

the cpu is: ALTERA epm3032a
her is the info from the web page:

is ther any one that have time to adde this to the software ?


What router are you installing this on? Does it support dd-wrt?
Tornado
DD-WRT Developer/Maintainer


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

PostPosted: Mon Oct 13, 2008 6:53    Post subject: Reply with quote
@ranvik

What flash chip does it have in it ?
and what processor, the epm3032 is a PLD device

_________________
Want JTAG support - Donate a router
or Donate with PayPal !

My preferred parallel jtag adapter:
TIAO Parallel adapter

Tjtag website - http://tjtag.com

Compiling DD-WRT on:
AMD Phenom II X6 1090T @ 3926.667 Mhz

Aptosid X64 - Debian SID X64
Ubuntu 10.10 X64 - Arch X64
dragonmas
DD-WRT Novice


Joined: 28 Sep 2008
Posts: 9

PostPosted: Mon Oct 13, 2008 13:23    Post subject: stuck Reply with quote
CFE programmed corectly but I get stuck here on nvram.
Any suggestions?

C:\DD-WRT\tjtagv2-1-4\tjtagv2-1-4\windows>tjtagv2 -flash:nvram /noemw

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

Probing bus ... Done

Instruction Length set to 8

CPU Chip ID: 00000101001101010010000101111111 (0535217F)
*** Found a Broadcom BCM5352 Rev 1 CPU chip ***

- EJTAG IMPCODE ....... : 00000000100000000000100100000100 (00800904)
- EJTAG Version ....... : 1 or 2.0
- EJTAG DMA Support ... : Yes
- EJTAG Implementation flags: R4k MIPS32

Issuing Processor / Peripheral Reset ... Done
Enabling Memory Writes ... Skipped
Halting Processor ... <Processor Entered Debug Mode!> ... Done
Clearing Watchdog ... Done
Probing Flash at (Flash Window: 0x1fc00000) ...

It is a 54g-TM I used the new method and bricked the 1st one I did,by setting the network adapter to 1.1 instead of 1.2 in the advance settings.Others have worked correctly.The bricked one above has nvram and kernel all 00's.(erased)


Last edited by dragonmas on Mon Oct 13, 2008 14:02; edited 1 time in total
Tornado
DD-WRT Developer/Maintainer


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

PostPosted: Mon Oct 13, 2008 13:30    Post subject: Reply with quote
You don't really need to flash nvram, erase it, and let the system rebuild it for you. Do you have firmware on the router also ?

If nvram is not on the router, the CFE will rebuild it, or create another copy of it, the same goes for the DD-WRT firmware, restore defaults

_________________
Want JTAG support - Donate a router
or Donate with PayPal !

My preferred parallel jtag adapter:
TIAO Parallel adapter

Tjtag website - http://tjtag.com

Compiling DD-WRT on:
AMD Phenom II X6 1090T @ 3926.667 Mhz

Aptosid X64 - Debian SID X64
Ubuntu 10.10 X64 - Arch X64
ranvik
DD-WRT Novice


Joined: 12 Oct 2008
Posts: 4

PostPosted: Mon Oct 13, 2008 13:54    Post subject: Reply with quote
Tornado wrote:
@ranvik

What flash chip does it have in it ?
and what processor, the epm3032 is a PLD device


its a "telsay" model nr CPEXK-TE32T
its a router with voip
1 wan port
3 lan port
2 port voip

her is the pix off the router.
http://ranvik.net/privat/lyse/front2.JPG

the main cpu have the numbers :
cs6220gy is a voip chip i think.

I'm try to get TTL to work on it but no luck :-/
Tornado
DD-WRT Developer/Maintainer


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

PostPosted: Mon Oct 13, 2008 14:06    Post subject: Reply with quote
Thanks for the PIC, but I can't read the numbers on the flash or CPU
_________________
Want JTAG support - Donate a router
or Donate with PayPal !

My preferred parallel jtag adapter:
TIAO Parallel adapter

Tjtag website - http://tjtag.com

Compiling DD-WRT on:
AMD Phenom II X6 1090T @ 3926.667 Mhz

Aptosid X64 - Debian SID X64
Ubuntu 10.10 X64 - Arch X64
ranvik
DD-WRT Novice


Joined: 12 Oct 2008
Posts: 4

PostPosted: Mon Oct 13, 2008 14:25    Post subject: Reply with quote
her is the info on the flash

M29W160ET
70N5
SEQCE
ST(logo) 0510
ITALY

http://ranvik.net/privat/lyse/front.info.jpg with info :-)

i have only found the jtag for the "ALTERA epm3032a"

the main chip(cpu?) looks like its only the voip part.
http://ranvik.net/privat/lyse/cs6220.pdf the only info i foundt about it.

edit: i have adde more pix on : http://ranvik.net/privat/lyse/
dragonmas
DD-WRT Novice


Joined: 28 Sep 2008
Posts: 9

PostPosted: Mon Oct 13, 2008 21:15    Post subject: Reply with quote
Tornado wrote:
You don't really need to flash nvram, erase it, and let the system rebuild it for you. Do you have firmware on the router also ?

If nvram is not on the router, the CFE will rebuild it, or create another copy of it, the same goes for the DD-WRT firmware, restore defaults


It is a 54g-TM I used the new method and bricked the 1st one I did,by setting the network adapter to 1.1 instead of 1.2 in the advance settings.Others have worked correctly.The bricked one above has nvram and kernel all 00's.(erased)Power light flashing last 5 leds solid.
Tornado
DD-WRT Developer/Maintainer


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

PostPosted: Tue Oct 14, 2008 5:19    Post subject: Reply with quote
@dragonmas

How do you know the nvram and kernel are all 00's, jtag backup ? If you can back it up with jtag, the easy way for me to tell what is going on, is if you send me a backup of your CFE ?

tornado@odessaua.com

_________________
Want JTAG support - Donate a router
or Donate with PayPal !

My preferred parallel jtag adapter:
TIAO Parallel adapter

Tjtag website - http://tjtag.com

Compiling DD-WRT on:
AMD Phenom II X6 1090T @ 3926.667 Mhz

Aptosid X64 - Debian SID X64
Ubuntu 10.10 X64 - Arch X64
oxceed
DD-WRT Novice


Joined: 16 Oct 2008
Posts: 4

PostPosted: Thu Oct 16, 2008 5:01    Post subject: Reply with quote
please my frinds i want to cfe.bin for paradyne 6211-i2 proc broadcom 6338 flash mx29lv320b


=======================================
ST5xx/780 EJTAG Debrick Utility v1.1
This Utility was changed from WRT54G to
work correctly with Speedtouch Routers
=======================================

Probing bus ... Done

Instruction Length set to 5

CPU Chip ID: 00000110001100111000000101111111 (0633817F)
*** Found a Broadcom BCM6338 Rev 1 CPU chip ***

- EJTAG IMPCODE ....... : 00000000100000000000100100000100 (00800904)
- EJTAG Version ....... : 1 or 2.0
- EJTAG DMA Support ... : Yes

Issuing Processor / Peripheral Reset ... Done
Enabling Memory Writes ... Done
Halting Processor ... <Processor Entered Debug Mode!> ... Done
Clearing Watchdog ... Done

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

Flash Vendor ID: 00000000000000000000000011000010 (000000C2)
Flash Device ID: 00000000000000000010001010101000 (000022A8)
*** Found a MX29LV320B 2Mx16 BotB (4MB) Flash Chip ***

- Flash Chip Window Start .... : 1fc00000
- Flash Chip Window Length ... : 00400000
- Selected Area Start ........ : 00000000
- Selected Area Length ....... : 00000000



*** REQUESTED OPERATION IS COMPLETE ***



.JPG
 Description:
 Filesize:  829.13 KB
 Viewed:  20780 Time(s)

.JPG


johnboi
DD-WRT Novice


Joined: 08 Aug 2008
Posts: 5

PostPosted: Sun Oct 19, 2008 7:17    Post subject: Re: wrt54glv1.1 Reply with quote
johnboi wrote:
I have tried everything to debrick my router. Every time I tried to flash cfe using -flash:cfe /noreset it stops at ifc02000 when I try and do a wholeflash it stops at the same address I can backup and erase the cfe but cannot flash past this point. I have tried various cfe including using skynets bootloader. Any suggestions.

I have tried a few things since this post I have replaced the missing resistors at jtag port I have tried tjtag as well as tjtagv2, below is the probe results
EJTAG Debrick Utility v2.1.4-Tornado-MOD
==========================================

Probing bus ... Done

Instruction Length set to 8

CPU Chip ID: 00000101001101010010000101111111 (0535217F)
*** Found a Broadcom BCM5352 Rev 1 CPU chip ***

- EJTAG IMPCODE ....... : 00000000100000000000100100000100 (00800904)
- EJTAG Version ....... : 1 or 2.0
- EJTAG DMA Support ... : Yes
- EJTAG Implementation flags: R4k MIPS32

Issuing Processor / Peripheral Reset ... Done
Enabling Memory Writes ... Skipped
Halting Processor ... <Processor Entered Debug Mode!> ... Done
Clearing Watchdog ... Done
Probing Flash at (Flash Window: 0x1fc00000) ... Done

Flash Vendor ID: 00000000000000000000000001111111 (0000007F)
Flash Device ID: 00000000000000000010001011111001 (000022F9)
*** Found a EON EN29LV320 2Mx16 BotB (4MB) Flash Chip ***

- Flash Chip Window Start .... : 1fc00000
- Flash Chip Window Length ... : 00400000
- Selected Area Start ........ : 00000000
- Selected Area Length ....... : 00000000



*** REQUESTED OPERATION IS COMPLETE ***
Any more suggestions?
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