Boot From SD

Autonomous Machines Jetson & Embedded Systems Jetson Xavier NX
1

Hi,
I have Jetson-Xavier NX board (Not developmentKit) with emmic sorage 16GB on this board I have Jetpack 4.6, In addition I have sd card with Jet-pack 5.1.2, I want boot my Xavier from SD and not from flash such I will can work on the new JP.

I try see deatils in this link https://docs.nvidia.com/jetson/archives/r34.1/DeveloperGuide/text/AR/BootArchitecture.html but I not sucssed to understand it’s to much missy.
I will be happy to any help or insruction how I can change the order of the boot and work from SD.

3

https://docs.nvidia.com/jetson/archives/r35.4.1/DeveloperGuide/text/IN/QuickStart.html
https://developer.nvidia.com/downloads/embedded/l4t/r35_release_v4.1/release/jetson_linux_r35.4.1_aarch64.tbz2
https://developer.nvidia.com/downloads/embedded/l4t/r35_release_v4.1/release/tegra_linux_sample-root-filesystem_r35.4.1_aarch64.tbz2

$ tar xf ${L4T_RELEASE_PACKAGE}
$ sudo tar xpf ${SAMPLE_FS_PACKAGE} -C Linux_for_Tegra/rootfs/
$ cd Linux_for_Tegra/
$ sudo ./apply_binaries.sh
$ sudo ./tools/l4t_flash_prerequisites.sh

sudo ./tools/kernel_flash/l4t_initrd_flash.sh --external-device mmcblk1p1
-c tools/kernel_flash/flash_l4t_external.xml -p “-c bootloader/t186ref/cfg/flash_l4t_t194_qspi_p3668.xml”
–showlogs --network usb0 jetson-xavier-nx-devkit-emmc internal

4

You should check with the board vendor about their customized BSP…

NVIDIA default BSP does not support your “sdcard slot” on that custom board with emmc module.

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