请问有哪位大佬知道这是啥问题吗，小白已经卡在这好几天了
U-Boot SPL 2018.01-05679-g013ca457fd-dirty (Apr 01 2023 - 09:32:20)
DRAM: 32 MiB
Trying to boot from MMC1
mmc_init: -110, time 21669
spl: mmc init failed with error: -110
SPL: Unsupported Boot Device!
SPL: failed to boot from all boot devices
### ERROR ### Please RESET the board ###
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