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pico-imx7d: README: Use dfu-util to flash U-Boot

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The DFU allows a more user friendly use as the details where the
bootloader is installed are abstracted.

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
This commit is contained in:
Otavio Salvador 2018-06-29 15:19:19 -03:00 committed by Stefano Babic
parent 190702af51
commit 619fc167b6
1 changed files with 9 additions and 4 deletions
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board/technexion/pico-imx7d/README
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@ -35,12 +35,17 @@ Use the default environment variables:
=> env default -f -a => env default -f -a
=> saveenv => saveenv
Run the UMS command: Run the DFU agent so we can flash the new images using dfu-util tool:
=> ums 0 mmc 0
Transfer u-boot.imx to be flashed into the eMMC: => dfu 0 mmc 0
$ sudo dd if=u-boot.imx of=/dev/sdX bs=1K seek=1; sync Flash SPL into the eMMC:
$ sudo dfu-util -D SPL -a spl
Flash u-boot.img into the eMMC:
$ sudo dfu-util -D u-boot.img -a u-boot
Remove power from the pico board. Remove power from the pico board.