Linksys Tri-Band EA9500 AC5400 Router Firmware

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Beradon
DD-WRT Novice


Joined: 05 Nov 2016
Posts: 36

PostPosted: Wed Nov 16, 2016 1:02    Post subject: Reply with quote
So I dont seem to be getting anything useful out of what I believe to be the JTAG on this board, however there are 4 pins near the chipset that appear to be serial.

When connected to the serial on my TUMPA I get a series of garbage that does respond to my input though I cant read it.

EDIT:

So it seems this is a TTL serial port, when connected to the TTL on the TUMPA I get intermittent text that is legible... things like 'Decompressing' and 'Done' and a few others that I can read here and there, but the rest is all garbage.
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Beradon
DD-WRT Novice


Joined: 05 Nov 2016
Posts: 36

PostPosted: Tue Nov 22, 2016 17:19    Post subject: Reply with quote
Alright, well with my inexperience in doing this and while there is definitely a plethora of information both here and elsewhere, I cant seem to find exactly what is needed to connect to my router in a method beyond the norm, so I'm going to give up on it for now. I've managed to fry 2 different USB to Serial/TTL adapters, not even connecting them the same way. If someone comes back with more useful information I'd be game to try again.

The lack of response to this, and other, threads about this device leads me to believe there isnt much interest outside of my own.
Orie
DD-WRT Novice


Joined: 13 Jul 2016
Posts: 3

PostPosted: Wed Nov 23, 2016 23:04    Post subject: Reply with quote
Not the only one, I almost went and bought an adapter too, but I haven't had the time to dedicate to it. It sounds like you're already on the right path, but I've never messed with the JTAG stuff before. Hoping brainslayer could chime in quickly?
vettejock99
DD-WRT Novice


Joined: 17 Jun 2006
Posts: 9

PostPosted: Sun Nov 27, 2016 17:26    Post subject: I have interest as well, but no JTAG and no idea... Reply with quote
...where to start. Can you point me in the right direction on the latter and I'll see if I can look into it, too?
ysolovyov
DD-WRT Novice


Joined: 06 Dec 2016
Posts: 1

PostPosted: Tue Dec 06, 2016 18:48    Post subject: Reply with quote
Guys, any update on this one? I just got the device Smile I'm senior cpp developer, may i help you with anything on this?
Yeitso
DD-WRT Novice


Joined: 09 Dec 2016
Posts: 1

PostPosted: Fri Dec 09, 2016 14:33    Post subject: Reply with quote
If I get things correct Brainslayer needs the nvram/cfe from the device to begin with. I have no idea on how to aquire this but I have a EA9500 and am willing to help out. I also have a USB -> TTL if that helps.
Orie
DD-WRT Novice


Joined: 13 Jul 2016
Posts: 3

PostPosted: Sat Dec 10, 2016 1:24    Post subject: Reply with quote
As far as I know, you need to attach to the JTAG pins on the mainboard, then you can dump the firmware somehow.

I think this is the right starting point:
http://www.dd-wrt.com/wiki/index.php/JTAG
Beradon
DD-WRT Novice


Joined: 05 Nov 2016
Posts: 36

PostPosted: Tue Dec 20, 2016 13:37    Post subject: Reply with quote
So something I'm finding out about this router is that the switch chipset is terrible.

I routinely stream uncompressed 720P HD video through my network because I have a Windows Media Center PC and XBox 360 media extenders. Replacing my old router with this one has introduced a continual "network issue" message on the displaying 360. I even tried moving them to the other 4 ports since it is serviced by a separate chip which did not clear the problem. I instead moved them to a standalone switch and it completely cleared up the issue.

In addition I swapped out this device with the WRT3200ACM which also cleared up the issue.

So I'm not sure what the issue is here, but this device clearly has a problem with its switch chipset. The only thing I can think of is that the router has a buffering problem since the Xbox 360s only support 100mbps connections while the PC is gigabit.
npcomplete
DD-WRT Novice


Joined: 26 Oct 2008
Posts: 14

PostPosted: Sat Jan 14, 2017 15:49    Post subject: Reply with quote
serial out put can be found here

http://www.snbforums.com/threads/ea9500-serial-console-to-cfe.35228/



Code:

Digital core power voltage set to 1.05V
Decompressing...done
Digital core power voltage set to 1.05V

CFE Boot Loader v0.5.1__7.14.131.35

SHMOO VER 1.13

PKID07DC06011801080000000000001A103F01000000

S30000217
00001770


RDLYW0 00000004

RDENW0 00000037

RDQSW0

    0000000000111111111122222222223333333333444444444455555555556666
    0123456789012345678901234567890123456789012345678901234567890123
00 ------------++++++++++++++++++++++++++X+++++++++++++++++++++++++
01 ------------++++++++++++++++++++++++++X++++++++++++++++++++++++-
02 -------------+++++++++++++++++++++++++X+++++++++++++++++++++++++
03 ------------++++++++++++++++++++++++++X+++++++++++++++++++++++--
04 ------++++++++++++++++++++++++X+++++++++++++++++++++++----------
05 ---------------++++++++++++++++++++++++X++++++++++++++++++++++--
06 -------++++++++++++++++++++++++X++++++++++++++++++++++++--------
07 ------------++++++++++++++++++++++++++X+++++++++++++++++++++++++
08 ---+++++++++++++++++++++++++X+++++++++++++++++++++++++----------
09 --------+++++++++++++++++++++++++X++++++++++++++++++++++++------
10 --------+++++++++++++++++++++++++X+++++++++++++++++++++++++-----
11 -------++++++++++++++++++++++++X+++++++++++++++++++++++---------
12 --++++++++++++++++++++++++++X++++++++++++++++++++++++++---------
13 -----+++++++++++++++++++++++X+++++++++++++++++++++++------------
14 ------+++++++++++++++++++++++++X+++++++++++++++++++++++++-------
15 --+++++++++++++++++++++++++X+++++++++++++++++++++++++-----------


PW0

    0000000000111111111122222222223333333333444444444455555555556666
    0123456789012345678901234567890123456789012345678901234567890123
00 ---++++++++++++++++++++++++++++++X+++++++++++++++++++++++++++++-
01 ----++++++++++++++++++++++++++++++X++++++++++++++++++++++++++++-
02 --+++++++++++++++++++++++++++++++X++++++++++++++++++++++++++++++
03 --+++++++++++++++++++++++++++++++X++++++++++++++++++++++++++++--
04 +++++++++++++++++++++++++++X++++++++++++++++++++++++++----------
05 ---++++++++++++++++++++++++++++++X++++++++++++++++++++++++++++--
06 ++++++++++++++++++++++++++++X++++++++++++++++++++++++++++-------
07 ---++++++++++++++++++++++++++++++X++++++++++++++++++++++++++++++
08 +++++++++++++++++++++++++++X++++++++++++++++++++++++++----------
09 +++++++++++++++++++++++++++++X++++++++++++++++++++++++++++------
10 +++++++++++++++++++++++++++++X+++++++++++++++++++++++++++++-----
11 +++++++++++++++++++++++++++X+++++++++++++++++++++++++++---------
12 +++++++++++++++++++++++++++X+++++++++++++++++++++++++++---------
13 ++++++++++++++++++++++++++X+++++++++++++++++++++++++------------
14 ++++++++++++++++++++++++++++X++++++++++++++++++++++++++++-------
15 +++++++++++++++++++++++++++X++++++++++++++++++++++++++----------


NW0

    0000000000111111111122222222223333333333444444444455555555556666
    0123456789012345678901234567890123456789012345678901234567890123
00 ------------++++++++++++++++++++++++++X+++++++++++++++++++++++++
01 -------------+++++++++++++++++++++++++X+++++++++++++++++++++++++
02 -------------+++++++++++++++++++++++++X+++++++++++++++++++++++++
03 -----------++++++++++++++++++++++++++X++++++++++++++++++++++++++
04 --------+++++++++++++++++++++++++X+++++++++++++++++++++++++-----
05 ---------------++++++++++++++++++++++++X++++++++++++++++++++++++
06 -------++++++++++++++++++++++++++X++++++++++++++++++++++++++----
07 ------------++++++++++++++++++++++++++X+++++++++++++++++++++++++
08 ---++++++++++++++++++++++++++X++++++++++++++++++++++++++--------
09 --------++++++++++++++++++++++++++X++++++++++++++++++++++++++---
10 -------+++++++++++++++++++++++++++X++++++++++++++++++++++++++---
11 --------+++++++++++++++++++++++++X+++++++++++++++++++++++++-----
12 ---+++++++++++++++++++++++++++X++++++++++++++++++++++++++-------
13 -------++++++++++++++++++++++++X++++++++++++++++++++++++--------
14 -----++++++++++++++++++++++++++X++++++++++++++++++++++++++------
15 ---+++++++++++++++++++++++++X+++++++++++++++++++++++++----------


WRDQW0

    0000000000111111111122222222223333333333444444444455555555556666
    0123456789012345678901234567890123456789012345678901234567890123
00 +++++++++++++++++++++++++++X+++++++++++++++++++++++++++---------
01 ++++++++++++++++++++++++++++X+++++++++++++++++++++++++++--------
02 ++++++++++++++++++++++++++++X++++++++++++++++++++++++++++-------
03 +++++++++++++++++++++++++++X+++++++++++++++++++++++++++---------
04 ++++++++++++++++++++++++X++++++++++++++++++++++++---------------
05 ++++++++++++++++++++++++++++X+++++++++++++++++++++++++++--------
06 ++++++++++++++++++++++++++X+++++++++++++++++++++++++------------
07 ++++++++++++++++++++++++++++X++++++++++++++++++++++++++++-------
08 +++++++++++++++++++++++++X+++++++++++++++++++++++++-------------
09 +++++++++++++++++++++++++++X+++++++++++++++++++++++++++-------+-
10 ++++++++++++++++++++++++++++X++++++++++++++++++++++++++++-------
11 ++++++++++++++++++++++++++X+++++++++++++++++++++++++------------
12 +++++++++++++++++++++++++X++++++++++++++++++++++++--------------
13 +++++++++++++++++++++++++X+++++++++++++++++++++++++-------------
14 ++++++++++++++++++++++++++X++++++++++++++++++++++++++-----------
15 +++++++++++++++++++++++++X+++++++++++++++++++++++++-------------


WRDMW0 00000027
WRDMW0 00000025


ADDR

    0000000000111111111122222222223333333333444444444455555555556666
    0123456789012345678901234567890123456789012345678901234567890123
00 +++++++++++++++++++++++S+++++++X++++++++++++++++++++++++++++++++

Decompressing...done
Found a Toshiba NAND flash:
Total size:  128MB
Block size:  128KB
Page Size:   2048B
OOB Size:    64B
Sector size: 512B
Spare size:  16B
ECC level:   8 (8-bit)
Device ID: 0x98 0xf1 0x80 0x15 0xf2 0x16
find_devinfo: devinfo block found at 0x00180000!

Press Ctrl+C to stop in CFE


CFE version 7.14.131.35 (r612453) based on BBP 1.0.37 for BCM947XX (32bit,SP,)
Build Date: Fri Jan 22 18:07:59 CST 2016 (proc@ubuntu12d04LTS), for the EA9500 board
Copyright (C) 2000-2008 Broadcom Corporation.
Copyright (C) 2016 Arcadyan Corporation.

Flashing all LEDs ...

Init Arena
Init Devs.
Boot partition size = 262144(0x40000)
DDR Clock: 800 MHz
Info: DDR frequency set from clkfreq=1400,*800*

### RoboID=53012, vid=1 val32=0x35faf val16=0x1 ###

### RoboID=53012, vid=2 val32=0x22110 val16=0x2 ###
et2: Broadcom BCM47XX 10/100/1000 Mbps Ethernet Controller 7.14.131.35 (r612453)
CPU type 0x0: 1400MHz
Tot mem: 262144 KBytes

CFE mem:    0x00F00000 - 0x01799D2C (9018668)
Data:       0x00F601E0 - 0x00F608A8 (1736)
BSS:        0x00F608B8 - 0x00F97D2C (226420)
Heap:       0x00F97D2C - 0x01797D2C (8388608)
Stack:      0x01797D2C - 0x01799D2C (8192)
Text:       0x00F00000 - 0x00F52488 (337032)
Boot:       0x0179A000 - 0x017DA000
Reloc:      I:00000000 - D:00000000

Boot version: v0.5.1__7.14.131.35

Device eth0:  hwaddr 48-F8-B3-F6-49-51, ipaddr 192.168.1.1, mask 255.255.255.0
        gateway not set, nameserver not set
Loader:raw, invalid tftp target filename (:)!
Could not load :: Invalid parameter
Checking CRC validity of nflash1.trx ... OK
Booting(0): boot -raw -z -addr=0x8000 -max=0xef8000 nflash0.os:
Loader:raw Filesys:raw Dev:nflash0.os File: Options:(null)
Loading: ..... 5438272 bytes read
Entry at 0x00008000
Closing network.
Starting program at 0x00008000
cfe_start: launch kernel with blue LED0 is on!

console [ttyS0] enabled, bootconsole disabled
serial8250.0: ttyS1 at MMIO 0x18000400 (irq = 117) is a 16550
brd: module loaded
loop: module loaded
pflash: found no supported devices
bcmsflash: found no supported devices
The first offset=200000, 2nd offset=1f00000
Boot partition size = 524288(0x80000)
lookup_nflash_rootfs_offset: offset = 0x200000
nflash: squash filesystem with lzma found at block 33
lookup_nflash_rootfs_offset: offset = 0x1f00000
nflash: squash filesystem with lzma found at block 265
Creating 6 MTD partitions on "nflash":
0x000000000000-0x000000080000 : "boot"
0x000000080000-0x000000200000 : "nvram"
0x000000200000-0x000001f00000 : "linux"
0x00000042dba4-0x000001f00000 : "rootfs"
0x000001f00000-0x000005200000 : "linux2"
0x00000212db04-0x000005200000 : "rootfs2"
npcomplete
DD-WRT Novice


Joined: 26 Oct 2008
Posts: 14

PostPosted: Sat Jan 14, 2017 18:30    Post subject: Reply with quote
I'm just hoping for a build. Is this possible?
ATHF
DD-WRT Guru


Joined: 14 Dec 2015
Posts: 688
Location: 127.0.0.1

PostPosted: Sun Jan 15, 2017 0:56    Post subject: Reply with quote
I believe that is what brainslayer was waiting for, hopefully he will see this post. You could post it in the Broadcom forum also.
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trademark_designs
DD-WRT Novice


Joined: 19 Feb 2017
Posts: 2

PostPosted: Sun Feb 19, 2017 20:28    Post subject: Reply with quote
Does anyone know if this was enough information for BrainSlayer to work on supporting the ea9500? I couldn't find any topics about it in the Broadcom forums. Hoping for ddwrt so I can get rid of Linksys's smart wifi DNS issues.
npcomplete
DD-WRT Novice


Joined: 26 Oct 2008
Posts: 14

PostPosted: Fri Feb 24, 2017 13:57    Post subject: Reply with quote
If you want you can install Lede (OpenWrt offshoot) from here https://forum.lede-project.org/t/build-for-linksys-ea9500/1817

trademark_designs wrote:
Does anyone know if this was enough information for BrainSlayer to work on supporting the ea9500? I couldn't find any topics about it in the Broadcom forums. Hoping for ddwrt so I can get rid of Linksys's smart wifi DNS issues.
SteamShadow
DD-WRT Novice


Joined: 26 Feb 2017
Posts: 1

PostPosted: Sun Feb 26, 2017 18:26    Post subject: Reply with quote
I have this router on order. When I get it, I am willing to help as well...although a newbie to dd-wrt, I am also a techie so not totally clueless Cool

If this router is a total no-go, would be good to know that as well. I can return and get a supported device.

Thanks.
Cr0t
DD-WRT Novice


Joined: 04 Mar 2010
Posts: 11
Location: USA

PostPosted: Wed Apr 05, 2017 14:09    Post subject: Reply with quote
I have this router. Let me know, if I can help out.
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