03. Boot from SD card

This page explains how to boot Yocto Linux on CL-SOM-iMX8 from an SD card.

• Set-up the CL-SOM-iMX8 eval-kit (SBC-iMX8) as detailed at CL-SOM-iMX8 Getting Started
• Insert the Yocto SD card into SD socket P9 on the CL-SOM-iMX8 eval-kit (SBC-iMX8).
• Power up the device
• Stop the boot process in U-Boot

PMIC:  PFUZE100 ID=0x10
check ddr4_pmu_train_imem code
check ddr4_pmu_train_imem code pass
check ddr4_pmu_train_dmem code
check ddr4_pmu_train_dmem code pass
Training PASS
Normal Boot
SPL Boot Device: MMC1
Trying to boot from MMC1


U-Boot 2017.03-imx_v2017.03_4.9.51_imx8m_beta+g0adb492 (Feb 06 2018 - 17:45:09 +0200)

CPU:   Freescale i.MX8MQ rev2.0 1500 MHz (running at 1000 MHz)
Reset cause: POR
Model: CompuLab CL-SOM-iMX8
DRAM:  2 GiB
MMC:   FSL_SDHC: 0, FSL_SDHC: 1
In:    serial
Out:   serial
Err:   serial
switch to partitions #0, OK
mmc0(part 0) is current device
Net:   eth0: ethernet@30be0000
Normal Boot
Hit any key to stop autoboot:  0

• Issue

setenv mmcdev 1; boot

• The device will boot into Yocto Linux.

Proceed to How To Install Yocto Linux on eMMC