The first time you run this code on a new stream-it board please replace the bootloader.

The reason for this is that the standard bootloader used on the stream-it product uses DDR_DUAL_4B mode.
During development we have configured QSPI into SDR_SINGLE_4B mode.

Run the script located in the utils folder 'RZA1_SoftwarePackage/RZA1_sample/util/dos_scripts/Program_RZ_A1LU_boot'

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* WARNING !                                                                 *
* This script can not be run within e2studio, please run from file explorer *    
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