boards: nordic: nrf54h20dk: add mbox for event report #100432
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cpusec will raise an mbox signal when an event report is generated. This is done when a peripheral triggers an error event to cpusec that cannot be directly passed to cpuapp or cpurad. Define the mbox and enable the IRQ for the corresponding bell in the bellboard. Signed-off-by: Håkon Amundsen <[email protected]>
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hakonfam
commented
Dec 3, 2025
| cpusec_cpurad_event_report: event-report-1-3 { | ||
| compatible = "vnd,mbox-consumer"; | ||
| mboxes = <&cpurad_bellboard 1>; | ||
| mbox-names = "event_channel"; |
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event_signal? Not sure about the naming
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reviewed
Dec 3, 2025
| / { | ||
| ipc { | ||
| cpusec_cpuapp_event_report: event-report-1-2 { | ||
| compatible = "vnd,mbox-consumer"; |
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I think vnd,mbox-consumer was introduced for tests, not boards.
| cpusec_cpuapp_event_report: event-report-1-2 { | ||
| compatible = "vnd,mbox-consumer"; | ||
| mboxes = <&cpuapp_bellboard 1>; | ||
| mbox-names = "event_channel"; |
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Have you considered placing this under the cpusec_cpuapp_ipc node? I was imagining we could replace the nordic,ironside-call binding with something that captures all communication with IronSide:
cpusec_cpuapp_ipc: ipc-1-2 {
compatible = "nordic,ironside-ipc";
memory-regions = <&cpusec_cpuapp_ipc_shm>,
<&cpuapp_ironside_se_event_report>;
memory-region-names = "call", "event";
mboxes = <&cpusec_bellboard 12>,
<&cpuapp_bellboard 0>,
<&cpuapp_bellboard 1>;
mbox-names = "call_tx", "call_rx", "event";
};
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cpusec will raise an mbox signal when an event report is generated. This is done when a peripheral triggers an error event to cpusec that cannot be directly passed to cpuapp or cpurad.
Define the mbox and enable the IRQ for the corresponding bell in the bellboard.