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DRA821U: Changing OSPI to Boot in 1S-1S-1S Mode

Lewis Holley
Prodigy 70 points
Part Number: DRA821U

Hello! I'm looking into changing the OSPI bootmode so that the OSPI remains in 1S-1S-1S mode during the entirety of its boot process. I know this will require some changes to the source code in Uboot. I am trying to see where and what in the source code I would need to change in order for this to happen.

  • 0
    TI__Guru**** 163290 points

    Hi Lewis,

    This is the default xSPI boot mode.

    For SR2.0 latest silicon, looking at the TRM:

    Can you try the below dip switch settings:

    SW8: 10000000
    SW9: 00110000

    I am using slightly older SDK but able to boot to U-Boot prompt using SPI mode.

    - Keerthy