Hello keith zambrano,
For QSPI boot, after generate RCW with QCVS tool, please do swapping, then deploy to QSPI flash.
For SD and MMC boot, please modify ls1046ardb_rcw_sd.cfg or ls1046ardb_rcw_emmc.cfg in board/freescale/ls1046ardb in u-boot source code.
Have a great day,
TIC
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