https://community.nxp.com/t5/i-MX-Processors/how-to-automatically-start-Linux/m-p/1270805#M173459 <P>dear all,</P><P>I went through the Linux User Manual, and found that a UART port is needed to use uboot. I have not add the UART port on my board. I don't want to talk uboot, and just want to start the Linux with it. I don't suppose the UART is a must to run Linux because it is not a case for an embedded system. I just want to use the uboot to start the Linux. How to automatically start the Linux with SD card or eMMC card?&nbsp;</P><P>&nbsp;</P><P>thank you,</P><P>Hai</P> Fri, 30 Apr 2021 10:24:27 GMT hailiu 2021-04-30T10:24:27Z https://community.nxp.com/t5/i-MX-Processors/how-to-automatically-start-Linux/m-p/1270805#M173459 <P>dear all,</P><P>I went through the Linux User Manual, and found that a UART port is needed to use uboot. I have not add the UART port on my board. I don't want to talk uboot, and just want to start the Linux with it. I don't suppose the UART is a must to run Linux because it is not a case for an embedded system. I just want to use the uboot to start the Linux. How to automatically start the Linux with SD card or eMMC card?&nbsp;</P><P>&nbsp;</P><P>thank you,</P><P>Hai</P> Fri, 30 Apr 2021 10:24:27 GMT https://community.nxp.com/t5/i-MX-Processors/how-to-automatically-start-Linux/m-p/1270805#M173459 hailiu 2021-04-30T10:24:27Z https://community.nxp.com/t5/i-MX-Processors/how-to-automatically-start-Linux/m-p/1270847#M173462 <P>Hello Hailu,</P> <P>You need connect the keyboard, and booted the board, wait for a minute a press "root" then you have linux.</P> <P>&nbsp;</P> <P>Regards</P> <P>&nbsp;</P> <P>&nbsp;</P> Fri, 30 Apr 2021 12:56:39 GMT https://community.nxp.com/t5/i-MX-Processors/how-to-automatically-start-Linux/m-p/1270847#M173462 Bio_TICFSL 2021-04-30T12:56:39Z