开发板无法启动

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

ERROR ### Please RESET the board

DDR异常了;

  1. 确认DDR是不是32GB(16GB+16GB)

  2. 能不能重新烧录

如容量是对的,还是不能重新烧写镜像,K3与DDR通信有问题,大概率是哪里被静电打坏了