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979440a583
It needs to be possible to retrieve an arbitrary number of random
bytes, which is accomplished by this _cpri__GenerateRandom()
implementation.
Also, this patch rearranges the board initialization code to
initialize both interrupts and the TRNG.
CL-DEPEND=CL:306781
BRANCH=none
BUG=chrome-os-partner:43025
TEST=ran a couple of tests retrieving random numbers from TPM,
observed randomly looking values generated (this is not a
validation of the TRNG implementation).
Change-Id: I6314cdf5e6e96443b3fadb7f1502fc8477c41d0f
Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/306780
Reviewed-by: Bill Richardson <wfrichar@chromium.org>
For an overview of the Embedded Controller firmware, refer to http://www.chromium.org/chromium-os/2014-firmware-summit