diff options
| author | Jan Kiszka | 2021-09-18 08:17:55 +0200 |
|---|---|---|
| committer | Tom Rini | 2021-10-03 14:40:56 -0400 |
| commit | f3efb1d10646548583aa24425fd4a499d185a739 (patch) | |
| tree | b878cd058befb17537097050adc0d30a524acbe1 /board/coreboot | |
| parent | a2db09e26993298c5469072660e9352feded824f (diff) | |
watchdog: rti_wdt: Add support for loading firmware
To avoid the need of extra boot scripting on AM65x for loading a
watchdog firmware, add the required rproc init and loading logic for the
first R5F core to the watchdog start handler. In case the R5F cluster is
in lock-step mode, also initialize the second core. The firmware itself
is embedded into U-Boot binary to ease access to it and ensure it is
properly hashed in case of secure boot.
One possible firmware source is https://github.com/siemens/k3-rti-wdt.
The board is responsible for providing the firmware as additional
loadable via the U-Boot fit image. The driver will pick up its location
from /fit-images/k3-rti-wdt-firmware then.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Diffstat (limited to 'board/coreboot')
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