Hi,
I just got OpenWrt running on a Huawei E970 wireless gateway (in my
case, labelled as T-Mobile web'n'walk Box IV).
The device has a Broadcom BCM5354 SoC and a built-in 3G USB modem.
For reference, it has already been addressed in this open ticket:
<https://dev.openwrt.org/ticket/2711>
However, the device has a hardware watchdog which needs GPIO7 to be
toggled regularly. Otherwise, the device simply resets after 2-3 secs,
so I wasn't even able to boot into OpenWrt at first.
As a quick fix I put together a small kernel patch which adds a timer to
regularly perform the GPIO toggle. While this does work for me, I think
it could need some cleanup... perhaps, is there already an
infrastructure related to platform-/board-specific watchdogs where this
could be attached to?
Are there other devices already supported by OpenWrt with a similar
watchdog?
(I've also posted to the forum:
<https://forum.openwrt.org/viewtopic.php?pid=150278#p150278> but didn't
get any answers, hope it's better suited here...)
Regards,
Mathias Adam
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