Revision as of 18:41, 9 March 2023 by Registered User
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Semantic MediaWiki
There are 1 incomplete or pending task to finish installation of Semantic MediaWiki. An administrator or user with sufficient rights can complete it. This should be done before adding new data to avoid inconsistencies.1. Article purpose[edit source]
The purpose of this article is to explain how to monitor HSE oscillator.
If HSE oscillator is used in the clock tree, it is possible to enable a monitoring to detect and avoid over frequency. The LPTIM mechanism will detect an over frequency and trig a tamper event which runs some custom actions.
2. How to activate the monitoring[edit source]
By default, the HSE monitor is disabled in dtsi "SoC" files.
To activate HSE monitor, add this node in your board OP-TEE device tree
&hse_monitor {
status = "okay";
};