1setenv bootargs 'mem=640M console=ttyAMA0,115200 mmz=anonymous,0,0xA8000000,384M clk_ignore_unused androidboot.selinux=permissive rootdelay=10 hardware=Hi3516DV300 init=/init root=/dev/ram0 rw blkdevparts=mmcblk0:1M(boot),15M(kernel),20M(updater),2M(misc),3307M(system),256M(vendor),-(userdata)'; 2setenv bootcmd 'mmc read 0x0 0x82000000 0x800 0x4800; bootm 0x82000000'; 3saveenv; 4reset;