TX1入门教程硬件篇-切换USB2.0与USB3.0

TX1入门教程硬件篇-切换USB2.0与USB3.0

说明：

• 介绍如何切换TX1USB口的为2.0或3.0版本

步骤：

• 编辑extlinux.conf文件，修改usb_port_owner_info=0 为 usb_port_owner_info=2

$ sudo vim /boot/extlinux/extlinux.conf

• 内容如下：

TIMEOUT 30
DEFAULT primary

MENU TITLE Jetson-TK1 eMMC boot options

LABEL primary
      MENU LABEL primary kernel
      LINUX /boot/zImage
      FDT /boot/tegra124-jetson_tk1-pm375-000-c00-00.dtb
      APPEND console=ttyS0,115200n8 console=tty1 no_console_suspend=1 lp0_vec=2064@0xf46ff000 mem=2015M@2048M memtype=255 ddr_die=2048M@2048M section=256M pmuboard=0x0177:0x0000:0x02:0x43:0x00 tsec=32M@3913M otf_key=c75e5bb91eb3bd947560357b64422f85 usbcore.old_scheme_first=1 core_edp_mv=1150 core_edp_ma=4000 tegraid=40.1.1.0.0 debug_uartport=lsport,3 power_supply=Adapter audio_codec=rt5640 modem_id=0 android.kerneltype=normal fbcon=map:1 commchip_id=0 usb_port_owner_info=2 lane_owner_info=6 emc_max_dvfs=0 touch_id=0@0 board_info=0x0177:0x0000:0x02:0x43:0x00 net.ifnames=0 root=/dev/mmcblk0p1 rw rootwait tegraboot=sdmmc gpt
                                      

• 保存后，重启

参考：

• http://www.jetsonhacks.com/2014/11/08/jetson-tk1-linux-tegra-l4t-21-1-enable-usb-3-0/
• https://devtalk.nvidia.com/default/topic/787495/embedded-systems/-solved-l4t-21-1-enable-usb-3-0-/