搞了好久还是不行,打开了FSBL的debug功能,在线使用 打印如下信息:
Release 2017.4 May 12 2019-19:11:31
Devcfg driver initialized
Silicon Version 3.1
Boot mode is SD
SD: rc= 0
SD: Unable to open file BOOT.BIN: 3
SD_INIT_FAIL
FSBL Status = 0xA009
This Boot Mode Doesn't Support Fallback
In FsblHookFallback function
感觉SD卡不被识别,降低频率也不行 |