I am using imx 8mplus lpddr4 evk and custom board of imx8mplus . i build yocto BSP of 6.6.3 version.
i buid the two images separately for evk and custom board.
in evk image , I changed the RAM size from 6gb to 1gb , frequency I kept default(4000mts)
in custom board image , I changed the RAM size to 6gb to 1 gb , frequency I configured 2400MTS
on evk , I flashed the my image , it is working fine .
on custom board , it is showing kernel panic .
Thanks & Regards
Srinivas