1*4882a593Smuzhiyunlabel rock64-buildroot 2*4882a593Smuzhiyun kernel /boot/Image 3*4882a593Smuzhiyun devicetree /boot/rk3328-rock64.dtb 4*4882a593Smuzhiyun append console=ttyS2,1500000n8 root=/dev/mmcblk0p1 ro rootwait 5