OFWBUS: How does autoconfiguration work?

[Clay Daniels]

Take a look at the Porter's Handbook:

https://docs.freebsd.org/doc/7.4-RELEASE/usr/share/doc/en/books/porters-handbook/using-autotools.html

On Sat, Feb 1, 2020 at 8:56 AM Niteesh <gsnb.gn at gmail.com> wrote:

> I am interested in adding autoconfiguration to one of my projects.
> The current drivers use lazy initialization, for example, the UART
> drivers initialize the hardware only during their first invocation.
>
> I would like to add a subsystem, that will read the DTB and call
> the appropriate drivers.
>
> I want to know how it is implemented in FreeBSD, I took a look at the
> code, but I am still couldn't figure out, when does FreeBSD start to
> parse the DTB, how does it fill up the device struct and few more.
>
> Can someone please explain how all this works with reference to code
> or point me to some documentation?
>
> Thanks,
> Niteesh
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