These were various locations for the sources for some of the BCM6348 based routers.
Netgear DG834PN, DG834GT, DG834GTB
US Robotics 9108
If you don't require the ADSL modem to work then I suggest looking at Openwrt as that now appears to work for all options except ADSL, using only Open Source code with no closed binaries. Very Impressive.