setenv boot_a53_1 "mw 0xA0000000 14000000; cpu 1 release 0xA0000000"
setenv boot_a53_2 "mw 0xA0000000 14000000; cpu 2 release 0xA0000000"
setenv boot_a53_3 "mw 0xA0000000 14000000; cpu 3 release 0xA0000000"
setenv disable_caches "dcache off; icache off"
saveenv

setenv bootcmd "disaable_caches; run boot_a53_1; run boot_a53_2; run boot_a53_3"
saveenv