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Kernel boot fails when enabling sdmmc3 in kernel and u-boot dts

SmithRay
Associate

We are trying to bringup the Wi-Fi module connected over the sdmmc3 line with the STM32MP157F based custom board. 

But it seems, when enabling the sdmmc3 lines on the kernel and u-boot dts files, the kernel boot fails on "Waiting for Keymaster device" as seen in the logs below:

SmithRay_0-1687980003350.png

This issue occurs only when the sdmmc3 is enabled in the dts, otherwise the boot is successful.

Cannot see where to look for the error!

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