RE: MCUboot with 54L15

Amanda Hsieh — Thu, 09 Jan 2025 16:37:58 GMT

Hi,

Happy to hear you fixed the issue.

You could use the app/sysbuild/mcuboot/boards/nrf54l15dk_nrf54l15_cpuapp.conf to include those configs instead of touching the prj.conf in the bootloader/mcuboot/boot/zephyr folder. Here is an example: https://github.com/nrfconnect/sdk-nrf/tree/v2.9.0/samples/matter/lock/sysbuild/mcuboot/boards

Regards,
Amanda H.

RE: MCUboot with 54L15

FrankBajahr — Thu, 09 Jan 2025 10:47:37 GMT

Was just playing around and found that by adding the following lines to the prj.conf in the bootloader/mcuboot/boot/zephyr folder

CONFIG_CLOCK_CONTROL_NRF_K32SRC_RC=y
CONFIG_CLOCK_CONTROL_NRF_K32SRC_500PPM=y
CONFIG_CLOCK_CONTROL_NRF_K32SRC_RC_CALIBRATION=y
CONFIG_CLOCK_CONTROL_NRF_CALIBRATION_LF_ALWAYS_ON=y

everything seems to boot up as expected. Wasn´t expecting MCUboot to use the 32kHz clock. Well, might have been the wrong assumption.

Seems we can close the issue. Was probably too quick with the ticket. Thank´s anyway.

Best regards

Frank