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Michal Orzel
f9ce66ea9d
AoU are the assumptions that Xen relies on other components (eg platform platform, domains) to fulfill its requirements. In our case, platform means a combination of hardware, firmware and bootloader. We have defined AoU in the intro.rst and added AoU for the generic timer. Also, fixed a requirement to denote that Xen shall **not** expose the system counter frequency via the "clock-frequency" device tree property. The reason being the device tree documentation strongly discourages the use of this peoperty. Further if the "clock-frequency" is exposed, then it overrides the value programmed in the CNTFRQ_EL0 register. So, the frequency shall be exposed via the CNTFRQ_EL0 register only and consequently there is an assumption on the platform to program the register correctly. Signed-off-by: Michal Orzel <michal.orzel@amd.com> Signed-off-by: Ayan Kumar Halder <ayan.kumar.halder@amd.com> Reviewed-by: Julien Grall <jgrall@amazon.com> Reviewed-by: Bertrand Marquis <bertrand.marquis@arm.com>
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