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boards: nordic: nrf54h20dk: add mbox for event report #100432

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12 changes: 12 additions & 0 deletions boards/nordic/nrf54h20dk/nrf54h20dk_nrf54h20-ipc_conf.dtsi
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,18 @@

/ {
ipc {
cpusec_cpuapp_event_report: event-report-1-2 {
compatible = "vnd,mbox-consumer";
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@57300 57300 Dec 3, 2025

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I think vnd,mbox-consumer was introduced for tests, not boards.

mboxes = <&cpuapp_bellboard 1>;
mbox-names = "event_channel";
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@57300 57300 Dec 3, 2025

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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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@hakonfam hakonfam Dec 3, 2025

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That sounds like a good idea, I'll make a suggestion for it and update the PR.

};

cpusec_cpurad_event_report: event-report-1-3 {
compatible = "vnd,mbox-consumer";
mboxes = <&cpurad_bellboard 1>;
mbox-names = "event_channel";
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@hakonfam hakonfam Dec 3, 2025

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event_signal? Not sure about the naming

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@57300 57300 Dec 3, 2025

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event should be sufficient

};

cpusec_cpuapp_ipc: ipc-1-2 {
compatible = "nordic,ironside-call";
status = "disabled";
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3 changes: 2 additions & 1 deletion boards/nordic/nrf54h20dk/nrf54h20dk_nrf54h20_cpuapp.dts
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Original file line number Diff line number Diff line change
Expand Up @@ -118,12 +118,13 @@
interrupt-names = "irq0";
/* irq0:
* - 0: cpuapp-cpusec
* - 1: cpuapp-cpusec
* - 6: cpuapp-cpusys
* - 13: cpuapp-cpuppr
* - 14: cpuapp-cpuflpr
* - 18: cpuapp-cpurad
*/
nordic,interrupt-mapping = <0x00046041 0>;
nordic,interrupt-mapping = <0x00046043 0>;
};

&cpurad_bellboard {
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4 changes: 2 additions & 2 deletions boards/nordic/nrf54h20dk/nrf54h20dk_nrf54h20_cpurad.dts
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Expand Up @@ -40,8 +40,8 @@
status = "okay";
interrupts = <96 NRF_DEFAULT_IRQ_PRIORITY>;
interrupt-names = "irq0";
/* irq0: 0: cpurad-cpusec, 6: cpurad-cpusys, 12: cpurad-cpuapp */
nordic,interrupt-mapping = <0x00001041 0>;
/* irq0: 0: cpurad-cpusec, 1: cpurad-cpusec, 6: cpurad-cpusys, 12: cpurad-cpuapp */
nordic,interrupt-mapping = <0x00001043 0>;
};

&cpuapp_bellboard {
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