iMXRT1021 QSPI Boot

[manuabraham]

Greetings,

We would like to move the QSPI Flash from FlexSPI_A to FlexSPI_B.

Would like to have the clarification, before going in for that change.

Are there any known issues in doing so ?

Thanks,

[victorjimenez · Accepted solution]

Hello, 

ROM does not support boot from FLEXSPI_B port directly. ROM always seeks a valid Flash Configuration Block from the
FLEXSPI_A port and then re-configures the FLEXSPI controller using the valid parameters in the block read-out. This reconfiguration can include but is not limited to, FLEXSPI_B port support.

Have a great day,

Victor

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