[Bug 271780] RPi4 PSCI reset doesn't work.
- In reply to: bugzilla-noreply_a_freebsd.org: "[Bug 271780] [patch][RPi4] PSCI reset doesn't work."
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Date: Fri, 14 Jun 2024 15:06:06 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=271780
Mitchell Horne <mhorne@freebsd.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |Works As Intended
Status|Open |Closed
CC| |mhorne@freebsd.org
--- Comment #3 from Mitchell Horne <mhorne@freebsd.org> ---
Hi. Thanks for the submission.
There is an existing hook to reset the RPI4 using the watchdog. This is
registered to the shutdown_final handler in bcm2835_wdog.c:
EVENTHANDLER_REGISTER(shutdown_final, bcmwd_reboot_system, sc,
SHUTDOWN_PRI_LAST-1);
Notably, the function bcmwd_reboot_system() does not handle the RB_HALT flag,
set when the user requested a 'halt' shutdown.
In your case, the solution is to use 'shutdown -r', not 'shutdown -h'. It is an
unfortunate quirk of the RPI4 platform, but this is not easily resolved.
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