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SK-AM62: AM62 boot priority

Part Number: SK-AM62


I want to set the boot order to Priority ① SD card → Priority ② eMMC.

It is assumed that if the SD card is not inserted, it will start from eMMC, and if the SD card is inserted, it will start from the SD card.

I want the user to boot from the eMMC during normal use, and boot from the SD when upgrading the software.

How do I set the BOOTMODE PIN to get the expected behavior?