Bringing up new hardware, and GPIO definitions

Mathew McBride matt at
Mon Aug 21 17:12:13 PDT 2023

Hi Philip,

On Tue, Aug 22, 2023, at 5:49 AM, Philip Prindeville wrote:
> On a somewhat related note, I got into my /etc/board.d/02_network file and 
> made this change:
> [snip]
> board_config_update
> +logger -p <> "board_name: $(board_name)"
> case "$(board_name)" in
> But best as I can tell that line isn't being hit... or rather, the whole 
> file isn't.

IIRC the board.d files are run well before a syslogd is started (which only happens after preinit is done), so any syslog calls (from userspace) just get lost.

The best way to do debug logging from them is to append to a file (e.g echo $(board_name) >> /tmp/board_d_debug) and view that later.


> What would prevent that from happening?  I'm not very familiar with the 
> preinit logic.
> Thanks
> > On Aug 21, 2023, at 11:34 AM, Philip Prindeville 
> > <philipp_subx at> wrote:
> >
> > I have a new x86 prototype box I'm working with, and it doesn't have a 
> > DTSI file (obviously) or a platform driver... and given my experiences 
> > with getting APU platform drivers upstream last time, I'm hesitant to do 
> > that all over again.
> >
> > Anyway, is there an easy way to do GPIO assignments for LEDs and switches 
> > if the kernel isn't doing this for me?
> >
> > Thanks

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