Netgear WGT634U and dd-wrt

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beyondwind
DD-WRT Novice


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:  1472 Time(s)



Last edited by beyondwind on Wed Oct 28, 2009 3:39; edited 1 time in total
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omegatotal
DD-WRT Novice


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?
mazilo
DD-WRT User


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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UK non-geo DID #: +447031942574
beyondwind
DD-WRT Novice


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.
manuforti
DD-WRT User


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
omegatotal
DD-WRT Novice


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
liverpoolatnight
DD-WRT User


Joined: 29 May 2008
Posts: 243
Location: United Kingdom

PostPosted: Mon Jun 17, 2013 13:30    Post subject: Reply with quote
openwrt-usr5461-squashfs.bin 21-Dec-2011 04:59 3018780
openwrt-wa840g-squashfs.bin 21-Dec-2011 04:59 3018760
openwrt-we800g-squashfs.bin 21-Dec-2011 04:59 3018760
openwrt-wgt634u-squashfs.bin 21-Dec-2011 04:59 3149824
openwrt-wr850g-squashfs.bin 21-Dec-2011 04:59 3018760
openwrt-wrt150n-squashfs.bin 21-Dec-2011 04:59 3018784
openwrt-wrt300n_v1-squashfs.bin 21-Dec-2011 04:59 3018784
openwrt-wrt300n_v11-squashfs.bin 21-Dec-2011 04:59 3018784
openwrt-wrt350n_v1-squashfs.bin 21-Dec-2011 04:59 3018784
openwrt-wrt54g-squashfs.bin 21-Dec-2011 04:59 3018784
openwrt-wrt54g3g-em-squashfs.bin 21-Dec-2011 04:59 3018784
openwrt-wrt54g3g-squashfs.bin 21-Dec-2011 04:59 3018784
openwrt-wrt54g3gv2-vf-squashfs-factory.bin 21-Dec-2011 04:59 3018784
openwrt-wrt54g3gv2-vf-squashfs-sysupgrade.bin 21-Dec-2011 04:59 3018752
openwrt-wrt54gs-squashfs.bin 21-Dec-2011 04:59 3018784
openwrt-wrt54gs_v4-squashfs.bin 21-Dec-2011 04:59 3018784
openwrt-wrt610n_v1-squashfs.bin 21-Dec-2011 04:59 3018784
openwrt-wrtsl54gs-squashfs.bin 21-Dec-2011 04:59 3018784

all the devices thats use the brcm47.

WGT634U:

System-On-Chip: Broadcom BCM3302 V0.7 (from /proc/cpuinfo)

Wireless: Atheros b/g with soldered antenna pigtail

Flash-Chip: Intel te28f640

_________________
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EE BrightBox 1 aka A4001N (OpenWrt 17.01.4)
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Twitter: @francisuk1989
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omegatotal
DD-WRT Novice


Joined: 21 Sep 2007
Posts: 31

PostPosted: Mon Jun 17, 2013 18:16    Post subject: Reply with quote
Whoa, blast from the past, awesome!

TY for all your work DD-WRT team!
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