U-Boot SPL 2020.01-g2781231a33 (Apr 10 2021 - 01:08:23 +0000) SYSFW ABI: 3.1 (firmware rev 0x0015 '21.1.1--v2021.01a (Terrific Lla') Trying to boot from MMC2 Loading Environment from MMC... *** Warning - No MMC card found, using default environment Starting ATF on ARM64 core... NOTICE:  BL31: v2.4(release):07.03.00.005-dirty NOTICE:  BL31: Built : 00:15:40, Apr 10 2021 U-Boot SPL 2020.01-g2781231a33 (Apr 10 2021 - 00:17:14 +0000) SYSFW ABI: 3.1 (firmware rev 0x0015 '21.1.1--v2021.01a (Terrific Lla') Detected: J7X-BASE-CPB rev E3 Detected: J7X-VSC8514-ETH rev E2 Trying to boot from MMC2 fit_find_config_node: Missing FDT description in DTB No matching DT out of these options:     fit_find_config_node: Missing FDT description in DTB No matching DT out of these options:     SPL: failed to boot from all boot devices ### ERROR ### Please RESET the board ### U-Boot SPL 2020.01-g2781231a33 (Apr 10 2021 - 01:08:23 +0000)