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Diffstat (limited to 'doc/arch/arm64.ffa.rst')
| -rw-r--r-- | doc/arch/arm64.ffa.rst | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/doc/arch/arm64.ffa.rst b/doc/arch/arm64.ffa.rst index 71606373f94..325fb80346e 100644 --- a/doc/arch/arm64.ffa.rst +++ b/doc/arch/arm64.ffa.rst @@ -120,6 +120,8 @@ At this stage the FF-A bus is registered with the DM and can be interacted with the DM APIs. Clients are able to probe then use the FF-A bus by calling uclass_first_device(). +Please refer to the armffa command implementation as an example of how to probe +and interact with the FF-A bus. When calling uclass_first_device(), the FF-A driver is probed and ends up calling ffa_do_probe() provided by the Uclass which does the following: @@ -219,6 +221,13 @@ Relationship between the sandbox emulator and the FF-A device ffa_emul 0 [ + ] sandbox_ffa_emul `-- arm-ffa-emul ffa 0 [ ] sandbox_arm_ffa `-- sandbox-arm-ffa +The armffa command +----------------------------------- + +armffa is a command showcasing how to use the FF-A bus and how to invoke the driver operations. + +Please refer the command documentation at :doc:`../usage/cmd/armffa` + Example of boot logs with FF-A enabled -------------------------------------- |