
MSC SM2S-IMX8M User Manual
74 / 92
Figure 7-18: SPL boot selector on EP1 carrier board (S2801).
Forced carrier SD card boot mode
Example:
Figure 7-19: Forced SPL boot from carrier SD card
Booting SPL/U-Boot from module eMMC flash
The i.MX 8M boot ROM code uses the module eMMC flash as
primary
and the carrier SD card as
secondary
(fallback) boot media. The fall back
media is always selected, when booting from primary media is not possible (empty, corrupted, etc.)