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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
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This will prevent reloading of HS FW where it's pointless, and bypass
hitting some timeouts.
Not a situation one should generally hit, but can occur with a messed
up firmware installation.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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ACR is responsible for managing the firmware for LS (Low Secure) falcons,
this was previously handled in the driver by SECBOOT.
This rewrite started from some test code that attempted to replicate the
procedure RM uses in order to debug early Turing ACR firmwares that were
provided by NVIDIA for development.
Compared with SECBOOT, the code is structured into more individual steps,
with the aim of making the process easier to follow/debug, whilst making
it possible to support newer firmware versions that may have a different
binary format or API interface.
The HS (High Secure) binary(s) are now booted earlier in device init, to
match the behaviour of RM, whereas SECBOOT would delay this until we try
to boot the first LS falcon.
There's also additional debugging features available, with the intention
of making it easier to solve issues during FW/HW bring-up in the future.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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This moves the code to generate commands for the ACR unit of the PMU/SEC2 LS
firmwares to those subdevs.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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SECBOOT
PMU, SEC2 and GR will be modified to register their falcons with ACR before
the main commit switching everything over.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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