How can we make the lantiq xrx200 devices faster

I littlebit deal with the image and source of AVM Fritzbox 7490. I think AVM have there own solution.
I can not find the tapi or the vmmc driver but it exist an 1,1MB kernelmodule called isdn_fbox_fon5.ko.
Inside the directory /GPL-release_kernel/linux-3.10/drivers/isdn/isdn_fon5 where the source should be does no c source exist.
There are some other big kernelmodules inside the image, why can be the reason for the big size ?
I found the source here: http://osp.avm.de/fritzbox/fritzbox-7490/

An other VR9 device where the kernelsource exist a here ALLNET ALL-BM100VDSL2V
source: ftp://212.18.29.48/ftp/pub/allnet/vdsl/all-bm100vdsl2v/SourceCode_Allnet_GPL_ALL-BM100VDSL2V_C48a.zip
It based on Openwrt 10.03.1_LTQ tapi.ko and vmmc.ko exist but no idea if it has smp and telefon support.
If know everbody some links to source from other VR9 devices like Speedport or TP-link etc, please post here !

An other question are: support LEDE "PPE" (Protokoll Processor Engine) and other features of the Lantiq smart CPU Architecture ?
It is listed inside the VRX268 product brief (PSB-80910) under Main Features.
It is not listed inside the VRX288 product brief, but in this sheet Main Features are not listed.

I found PPE inside the OEM Bootlog of TP-Link W8970 (VRX268)

Please press Enter to activate this console. .....pid 228: wait the running hotplug to end itself....... 
[ dm_readFile ] 2042: can not open xml file /var/tmp/pc/reduced_data_model.xml!, about to open file /etc/reduced_data_model.xml 
Loading A5 (MII0/1 + ATM) driver ...... 
MAC-0: a0-f3-c1-xx-xx-xx MAC-1: a0-f3-c1-xx-xx-xx 
Succeeded! 
PPE datapath driver info: 
  Version ID: 64.3.7.1.0.1.4 
  Family : VR9 
  DR Type : Normal Data Path | Indirect-Fast Path 
  Interface : MII0 | MII1 | ATM 
  Mode : Routing 
  Release : 0.1.4 
PPE firmware info: 
  Version ID: 7.2.4.6.2.0 
  Family : VR9 
  FW Type : Acceleration 
  Interface : MII0/1 + ATM 
  Mode : Bridging + IPv4 Routing 
  Release : 2.0 
IFXOS, Version 1.5.14 (c) Copyright 2009, Lantiq Deutschland GmbH 

Lantiq CPE API Driver version: DSL CPE API V4.11.4

and i found equal inside the OEM Bootlog of ZyXEL P-2812HNU-F1

But not in LEDE.