[LEDE-DEV] [OpenWrt-Devel] lantiq DSL drivers / firmware info

[Mathias Kresin]

10.07.2017 22:37, Mathias Kresin:
> 10.07.2017 22:07, Damian Kaczkowski:
>> Hello Sylwester.
>>
>> On 10 July 2017 at 20:10, Sylwester Petela <sscapi at gmail.com> wrote:
>>> I used the following pictures for visualising and flowing the traces.
>>> The pictures are in the gimp format and have multiple layers:
>>>
>>> TD-W8980 - Annex A:
>>> https://www.dropbox.com/s/j6qoeoy1a479yrz/tp-link_w8980v1.xcf?dl=0
>>> o2 Box 6431 - Annex B:
>>> https://www.dropbox.com/s/jskzcnxvszdlraj/o2_6431.xcf?dl=0
>>
>> Your dropbox links does not work. Cloud you please look into this?
>> Thanks in advance.
> 
> Most likely because these are links to my Dropbox. I'll send you a link 
> off-list. But I'm in doubt that it contains what you are looking for.
> 
> With a lot of help from Sylwester I've modified the Hardware of an Annex 
> A board in a way that it syncs on an Annex B line.
> 
> I had to change some bootstrap resistors to change the hybrid mode of 
> the VRX208. Afterwards I was able to load an Annex B firmware. 
> Unfortunately it was the last step I made.
> 
> Prior I changed some more resistors, some caps and the line transformer 
> to match the components to what I found on Annex B boards. Not sure if 
> it was really necessary.
> 
> I do not have a real clue what the AVM commands do. But it looks like 
> they are patching some (ram/register?) values of the VRX208. To my 
> knowledge, the VRX208 is an arc cpu and the xdsl firmware some kind of 
> operating system. But I could be wrong on this. There is literally no 
> information about Lantiq chips publicly available.
> 
> I already had a look at some AVM GPL tarballs, but none of them had the 
> xdsl driver/daemon source code included. Would be to easy for us...
> 
> Mathias

The link to my "annex_switch" Dropbox folder: 
https://www.dropbox.com/sh/hfir1pk5vvo6b29/AADcArCIJumnS7MLV6TiCD4Ba?dl=0.

Mathias