Revision as of 12:22, 16 November 2021 by Registered User (→How to activate the monitoring)
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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 clock.
If HSE is used in your clock tree, this can be a good idea to monitoring HSE to detect and avoid over frequency. The LPTimer mechanism will detect an over frequency and trig a tamper event which ....
2. How to activate the monitoring[edit source]
By default, the HSE monitor is disabled in soc device tree:
hse_monitor: hse-monitor {
compatible = "st,freq-monitor";
counter = <&lptimer3 1 1 0 0>;
status = "disabled";
};
To activate HSE monitor add this node in your board:
&hse_monitor {
status = "okay";
};