U-Boot 2015.04-00466-gedec83e90172 (Mar 14 2016 - 10:42:01) TEGRA124 Model: Acer Chromebook 13 CB5-311 DRAM: 4 GiB : Tegra SD/MMC: 0, Tegra SD/MMC: 1, Tegra SD/MMC: 2 MMC init failed Using default environment In: serial Out: serial Err: serial Net: Net Initialization Skipped No ethernet found. Hit any key to stop autoboot: 2  1  0 Tegra124 (Nyan-big) # Tegra124 (Nyan-big) # usb start starting USB... USB0: USB EHCI 1.10 scanning bus 0 for devices... 2 USB Device(s) found USB1: USB EHCI 1.10 scanning bus 1 for devices... 2 USB Device(s) found scanning usb for storage devices... 1 Storage Device(s) found scanning usb for ethernet devices... Warning: asx0 using MAC address from net device 1 Ethernet Device(s) found Tegra124 (Nyan-big) # mw 0x7000e4a0 0x00080000 Tegra124 (Nyan-big) # setenv bootargs 'ignore_loglevel console=ttyS0,115200n8 rw root=PARTUUID=4d36e82a-b3c0-4b4b-bfcd-afe5217ac023 rootwait gpt debug noinitrd earlyprintk init=/bin/bash' Tegra124 (Nyan-big) # setenv ipaddr 192.168.100.102; setenv serverip 192.168.100.1; setenv tftpserverip 192.168.100.1 Tegra124 (Nyan-big) # tftpboot 0x82000000 zImage.tegra_defconfig Using asx0 device TFTP from server 192.168.100.1; our IP address is 192.168.100.102 Filename 'zImage.tegra_defconfig'. Load address: 0x82000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ####################################### 3.6 MiB/s done Bytes transferred = 6293000 (600608 hex) Tegra124 (Nyan-big) # tftpboot 0x83000000 tegra124-nyan-big.dtb Using asx0 device TFTP from server 192.168.100.1; our IP address is 192.168.100.102 Filename 'tegra124-nyan-big.dtb'. Load address: 0x83000000 Loading: *####T T T # 3.9 KiB/s done Bytes transferred = 68203 (10a6b hex) Tegra124 (Nyan-big) # none /sys Unknown command 'none' - try 'help' Tegra124 (Nyan-big) # Unknown command 'none' - try 'help' Tegra124 (Nyan-big) #