Netgear WGT634U and dd-wrt

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janitux
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Joined: 31 Aug 2008
Posts: 1
PostPosted: Sun Aug 31, 2008 18:50    Post subject: Reply with quote
in linux i use tftp-server from sourceforge: http://sourceforge.net/projects/tftp-server/
its very easy to use it, just download the unix version, then uncompress, modify the file tftpserver.ini (Indicating the directory where the images for the router are)and copy it to /etc, and execute sudo ./tftpserver -v

now you can try to flash from CFE (i use picocom for connecting via serial, the options are -b 115200 /dev/ttyUSB0)
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omegatotal
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Joined: 21 Sep 2007
Posts: 31
PostPosted: Wed Nov 05, 2008 4:12    Post subject: Reply with quote
so has anyone had any luck getting dd-wrt on this device, i have one and i would really like to use dd-wrt on it

i dont care if i have to swap mini-pci cards, as long as the core will work?
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codiermaschine
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Joined: 10 Jun 2006
Posts: 3
PostPosted: Sat Jun 06, 2009 16:41    Post subject: Reply with quote
Are there any news on the JTAG Pinout?
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omegatotal
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Joined: 21 Sep 2007
Posts: 31
PostPosted: Sat Jun 06, 2009 17:08    Post subject: Reply with quote
codiermaschine wrote:
Are there any news on the JTAG Pinout?


+1 Shocked
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codiermaschine
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Joined: 10 Jun 2006
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PostPosted: Wed Jun 10, 2009 19:01    Post subject: Reply with quote
So what about the testpoint tp8 near the JTAG Header? Has anyone tried to pull it up or down in order to activate JTAG?
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codiermaschine
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Joined: 10 Jun 2006
Posts: 3
PostPosted: Thu Jun 11, 2009 19:59    Post subject: Reply with quote
ok, pulling the testpoint down results in a changing LED state... but still no JTAG or my cable uses the wrong pins...
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mazilo
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Joined: 10 Jun 2006
Posts: 385
PostPosted: Thu Jul 02, 2009 18:28    Post subject: Reply with quote
So, any progress on finding the JTAG port on a Netgear WGT634U?
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Mazi
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zxu
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Joined: 20 Aug 2009
Posts: 1
PostPosted: Thu Aug 20, 2009 13:00    Post subject: any new for dd-wrt on Netgear WGT634U?? Reply with quote
any new for dd-wrt on Netgear WGT634U??

I'm still waiting for it Wink
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mazilo
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Joined: 10 Jun 2006
Posts: 385
PostPosted: Sun Oct 25, 2009 21:34    Post subject: Reply with quote
bump
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Mazi
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beyondwind
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Joined: 27 Oct 2009
Posts: 19
PostPosted: Tue Oct 27, 2009 0:37    Post subject: JTAG successful Reply with quote
I used the wiggler JTAG cable and managed to get JTAG working. The JTAG is the standard eJTAG 14pin. The unpopulated resistor values are:
pin 3, R66, 10K
pin 5, R65, 33
pin 7, R67, 10K
pin 9, R68, 10K
pin 11, R73, 0

Probing output:

EJTAG Debrick Utility v3.0.1 Tornado-MOD
==============================================

Probing bus ... Done

Instruction Length set to 8

CPU Chip ID: 00010101001101100101000101111111 (1536517F)
*** Found a Broadcom BCM5365 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 ... Done
Halting Processor ... <Processor Entered Debug Mode!> ... Done
Clearing Watchdog ... Done

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

Flash Vendor ID: 00000000000000000000000010001001 (00000089)
Flash Device ID: 00000000000000000000000000010111 (00000017)
*** Found a Intel 28F640J3 4Mx16 (8MB) Flash Chip ***

- Flash Chip Window Start .... : 1c000000
- Flash Chip Window Length ... : 00800000
- Selected Area Start ........ : 00000000
- Selected Area Length ....... : 00000000



*** REQUESTED OPERATION IS COMPLETE ***


However WGT634u uses 384K CFE, so I am not sure whether my command of backing up CFE is correct.
???? tjtag3.exe -backup:custom /wiggler /length:0x60000 /silent /start:0x1c000000 /window:0x1c000000 ????

Here I am attaching the CFE supposed to be, please confirm.

wgt634uCFE.bin
 Description:
wgt634u CFE, 384K, not confirmed

Download
 Filename:  wgt634uCFE.bin
 Filesize:  384 KB
 Downloaded:  1628 Time(s)


Last edited by beyondwind on Wed Oct 28, 2009 3:39; edited 1 time in total
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omegatotal
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Joined: 21 Sep 2007
Posts: 31
PostPosted: Tue Oct 27, 2009 2:26    Post subject: Reply with quote
GREAT info! now if i only had a good jtag cable and some experience with it i could test it on this spare router!

i would really love to get this working with a mini-pci encryption card (to offload VPN encryption) and some usb accessories (wifi and maybe a webcam if it has enough power to handle that too)

what else can i get for a mini-pci board thats any good?
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mazilo
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Joined: 10 Jun 2006
Posts: 385
PostPosted: Tue Oct 27, 2009 23:56    Post subject: Re: JTAG successful Reply with quote
beyondwind wrote:
I used the wiggler JTAG cable and managed to get JTAG working. The JTAG is the standard eJTAG 14pin. The unpopulated resistor values are:
pin 3, R66, 10K
pin 5, R65, 33
pin 7, R67, 10K
pin 9, R68, 10K
pin 11, R73, 0

Excellent. Thank you for sharing this information. BTW, had you tried to use a regular un-buffered JTAG cable to see if that will work?
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Mazi
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beyondwind
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Joined: 27 Oct 2009
Posts: 19
PostPosted: Wed Oct 28, 2009 3:38    Post subject: Re: JTAG successful Reply with quote
mazilo wrote:
beyondwind wrote:
I used the wiggler JTAG cable and managed to get JTAG working. The JTAG is the standard eJTAG 14pin. The unpopulated resistor values are:
pin 3, R66, 10K
pin 5, R65, 33
pin 7, R67, 10K
pin 9, R68, 10K
pin 11, R73, 0

Excellent. Thank you for sharing this information. BTW, had you tried to use a regular un-buffered JTAG cable to see if that will work?


Just tried the un-buffered cable, only succeeded after I connected TDO to LPT pin 13 directly, ignored the 100ohm resistor.
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manuforti
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Joined: 30 Sep 2007
Posts: 171
Location: Scotland, UK.
PostPosted: Sat Nov 28, 2009 9:54    Post subject: Reply with quote
hi,

i have got my hands on a cheap wgt634U that I'd be willing to donate to one of the dev team if that would help get it working.

PM me if there are any takers please,

regards
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omegatotal
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Joined: 21 Sep 2007
Posts: 31
PostPosted: Sat Feb 12, 2011 4:32    Post subject: Reply with quote
bump? im looking for updates on this, i still have this device running with openwrt, but prefer ddwrt
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