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Beaglebone Black and Ethernet: no interrupt

Julien Delange
Prodigy 10 points

Dear all,


I am trying to support the ethernet driver for the beaglebone black on sel4. The difference is that sel4 requires the driver to run in user-space whereas with the starterware, it runs in privileged mode.

So far, I managed to get the source code integrated in sel4 partitions. All is good. It compiles. The board is correctly initialized. On the other hand, once I am tried to get a DHCP address, nothing works. I found out that I have NO interrupt coming from the board. I registered a handler for interrupt 41 and 42 but I receive NO INTERRUPT - my handlers are never invoked.

I was wondering if anybody would have a clue about what could cause that. If you already ported the ethernet driver and/or are familiar with the device, any help/suggestion/hint will be appreciated.

Thanks.

Julien