setenv bootargs console=ttyS0,115200n8 ro root=/dev/sda2 rootwait earlyprintk ext2load usb 0:1 4080000 uImage-tegra ext2load usb 0:1 4880000 uInitrd-tegra ext2load usb 0:1 5880000 tegra20-trimslice.dtb bootm 4080000 4880000 5880000