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| H A D | stm32_rng.c | 5959d83f6f5828c84992be4b693147f33b3d596e Wed Jan 10 15:56:14 UTC 2024 Gatien Chevallier <gatien.chevallier@foss.st.com> drivers: stm32_rng: move RNG configuration to compat data
Register values cannot be part of the device tree.
As choosing another RNG configuration that is not the default
NIST-certified one should be uncommon, it is acceptable to define
it in the compatible data and require to re-compile OP-TEE to change
the RNG configuration.
Also adds support for RNG V4.1 and above. These versions have a power
optimization and a modification of the seed error concealment. New
health tests and noise source registers are configurable and are part
of the RNG configuration.
Signed-off-by: Gatien Chevallier <gatien.chevallier@foss.st.com>
Reviewed-by: Etienne Carriere <etienne.carriere@foss.st.com>
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