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Linux/AM5728: SD card boot failure

Nancy Wang
Expert 8210 points
Part Number: AM5728


Tool/software: Linux

Hello team,

The customer has made two custom boards. They could boot successfully from sd card before. But one of them falied now. He has tested the pmic voltage and the oscillator frequency and all of them are correct. Would you please check and identify the possisble reason of this failure ? Below is his log file.
  • 0
    TI__Guru 65405 points
    Hi Nancy,

    The error message - "spl_load_image_fat_os: error reading image args, err - -1" is caused by unsuccessful attempt for reading from MMC.
    The can add some debug messages in functions "file_fat_read" and "file_fat_read_at" in ../u-boot/fs/fat/fat.c but I suspect some problem with mmc or controller.

    BR
    Tsvetolin Shulev