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Vladimir Skvortsov

Vladimir Skvortsov

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  1. Power the kit off by disconnecting the USB Type C cable from the development host.

  2. Set the target boot mode to the USB serial downloader mode by setting the boot switches as follows:

    • SW2.1 - 1

    • SW2.2 - 0

  3. Power the kit on by connecting the USB Type C cable to the development host. Use the kit port labeled USB1.

  4. Check that the new USB device has appeared on your development host:

    Code Block
    $ lsusb | grep -i nxp 
Bus 001 Device 025: ID 1fc9:0146 NXP Semiconductors

  5. On the host, go to the Torizon OS build directory:

    Code Block
    $ cd ~/yocto-workdir/build-imx8mp-navqp
$ ls imx8mp-navqp-sota.wks*direct
imx8mp-navqp-sota.wks-202503060946202503061352-mmcblk.direct
$ ls deploy/images/imx8mp-navqp/imx-boot
deploy/images/imx8mp-navqp/imx-boot

    • The images above are:

    • imx-boot - U-Boot-ATF-OPTEE boot image;

    • imx8mp-navqp-sota.wks-<timestamp>-mmcblk.direct - eMMC image with Torizon OS;

  6. Launch the uuu tool with appropriate script as a parameter for installing the bootable Linux image:

    Code Block
    $ sudo ~/uuu -v -b emmc_all deploy/images/imx8mp-navqp/imx-boot imx8mp-navqp-sota.wks-202503060946202503061352-mmcblk.direct

Wait for Known USB Device Appear...

  7. The uuu tool will proceed to install the Production Yocto image to the storage device (EMMC) on the target board:

    Code Block
    uuu (Universal Update Utility) for nxp imx chips -- libuuu_1.5.165-0-g7347a80
...
FB: ucmd setenv fastboot_dev mmc
FB: ucmd setenv mmcdev ${emmc_dev}
FB: ucmd mmc dev ${emmc_dev}
FB: flash -raw2sparse all imx8mp-navqp-sota.wks-202503060946-mmcblk.direct
FB: flash -scanterm -scanlimited 0x800000 bootloader deploy/images/imx8mp-navqp/imx-boot
FB: ucmd if env exists emmc_ack; then ; else setenv emmc_ack 0; fi;
FB: ucmd mmc partconf ${emmc_dev} ${emmc_ack} 1 0
FB: done


Wait for Known USB Device Appear...
New USB Device Attached at 3:312
3:312>Start Cmd:SDPS: boot -scanterm -f deploy/images/imx8mp-navqp/imx-boot -scanlimited 0x800000
100%3:312>Okay (2.223s)
New USB Device Attached at 3:312
3:312>Start Cmd:FB: ucmd setenv fastboot_dev mmc
3:312>Okay (0.098s)
3:312>Start Cmd:FB: ucmd setenv mmcdev ${emmc_dev}
3:312>Okay (0.122s)
3:312>Start Cmd:FB: ucmd mmc dev ${emmc_dev}
3:312>Okay (0.044s)
3:312>Start Cmd:FB: flash -raw2sparse all imx8mp-navqp-sota.wks-202503060946-mmcblk.direct
100%3:312>Okay (119.6s)
3:312>Start Cmd:FB: flash -scanterm -scanlimited 0x800000 bootloader deploy/images/imx8mp-navqp/imx-boot
0x400000003:312>Okay (0.188s)
3:312>Start Cmd:FB: ucmd if env exists emmc_ack; then ; else setenv emmc_ack 0; fi;
3:312>Okay (0.01s)
3:312>Start Cmd:FB: ucmd mmc partconf ${emmc_dev} ${emmc_ack} 1 0
3:312>Okay (0.01s)
3:312>Start Cmd:FB: done
3:312>Okay (0s)

  8. When uuu has finished, the bootable Linux image has been installed to the on-module storage. Given proper setting of the boot switches, next power-on will boot the target board from the EMMC storage device.

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