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AM3352: SD card boot problem

Part Number: AM3352

Hi!

Im working on a bootloader for a custom card based on the am3352 and Im having trouble booting it from a sd-card. The bootbits looks correct.

If there is no sd-card mounted the boot will eventually go to UART and put out CCCCC... but If there is a sd-card mounted the boot will hang. If I probe the card I never get a clock on the sd-card, it just goes high when I apply power to the card.

We have an older card thats made for another purpose but it has the am3352 and on that card I always get a nice clock on the sd-card.

Any ideas?

Best regards,

Linus