Building OpenWRT for Teltonika RUT956

For Developers
21

After giving this project a rest for a month, I am on it again.

Today I successfully added the cypress_serial driver from teltonika to the FW, but, as I feared, this changed nothing.

I think the problem is somewhere within the USB stack. I only see one USB hub, but I think there should be two, if things were working correctly. At least that is what I see in the stock FW and on the RUT956 with the MeigLink modem.

Unfortunately I don't really know how to debug this further. I guess I'll have to find the right mailing list for an issue like that.

¯_(ツ)_/¯

22

Well, since open OpenWrt 24.10.0 came out I gave this another try, which unfortunately changed nothing. I will probably not sink any more time into this, but I pushed what I did to github.

In a device with SLM750 modem most things should work ( echo 1 > /sys/class/gpio/modem_power/value is still needed), for the EC25 version the problem described above persists.