bootdelay=3 bootargs=console=ttyPS0,115200n8 root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait verbose systemd.log_level=warning systemd.log_target=console kernel.sysrq=1 uenvcmd=fatload mmc 0 0x3000000 zImage;fatload mmc 0 0x2A00000 devicetree.dtb;fdt addr 0x2A00000; fdt resize; fdt rsvmem add 0x18000000 0x08000000; fdt rsvmem print; fdt print /chosen bootargs; bootz 0x3000000 - 0x2A00000 ethaddr=00:0a:35:00:01:32