Imx8mp_solidrun not booting

[RexBrownSr]

@kavaiya

Two connections needed.
microUSB to host computer’s USB
OTG (1st USB) to host computer’s USB

Used UMS command to write flash storage over USB-OTG.
Steps

u-boot=> mmc list
FSL_SDHC: 1
FSL_SDHC: 2 (eMMC)

1 is SD card
2 is eMMC

u-boot=> ums 0 mmc 2
UMS: LUN 0, dev 1, hwpart 0, sector 0x0, count 0x1d34000

While UMS is stull running, on another prompt, used lsblk. This is eMMC mass storage device. Use DD command to write correct image.

sdb                         8:16   1   7.3G  0 disk

dd if=u-boot-9c245ab.bin of=/dev/sdb bs=1M status=progress

Use correct build. Imx8MP is the correct one. I used MM and I lost U-boot prompt as well.

Thanks for posting this. Saved me a LOT of time…