串口返回内容如下
try sd…
bm:3
ERROR: CMD8
ERROR: sd f! l:90
bm:4
nor m:0xef d:0x6017
[17:07:14.363]收←◆j…
U-Boot SPL 2022.10 (Apr 20 2026 - 19:57:17 +0800)
[17:07:14.422]收←◆DDR Part Number: MT62F4G32D8DV, Size: 16384MB, Data Rate: 6400MT/s
[17:07:17.221]收←◆DDR training consume 2815ms
memory verify fail!
[17:07:17.307]收←◆SPL: Unsupported Boot Device!
SPL: failed to boot from all boot devices