Hi zhu
there are Image Container Set0 and Set1 on Figure 5-1. Layout of Boot Device
and as described in sect.5.9 Boot image i.MX8DQXP Reference Manual :
Every Container Set includes two containers. One container (SECO container) for SECO
FW , and another container (SCU container) for SCU FW (necessary), AP IPL (optional),
CM4 FW (optional), and DDR initialization image (optional).
https://www.nxp.com/docs/en/reference-manual/IMX8DQXPRM.pdf
Best regards
igor
-----------------------------------------------------------------------------------------------------------------------
Note: If this post answers your question, please click the Correct Answer button. Thank you!
-----------------------------------------------------------------------------------------------------------------------