uboot没打印信息 kernel卡在start

[yyh5961]

回复: t113i修改调试串口到uart3

[158]HELLO! BOOT0 is starting!
[160]BOOT0 commit : 069ed30b88
M/TC: OP-TEE version: 2a99a16f (gcc version 5.3.1 20160412 (Linaro GCC 5.3-2016.05)) #1 Thu Aug 17 11:13:02 UTC 2023 arm
E/TC:0 0 platform_standby_fdt_parse:126 no pmu0 node
E/TC:0 0 sunxi_twi_parse_from_dt:121 no pmu node
E/TC:0 fdt_getprop_u32:336 prop trace_level not found
[00.923]yysunxi bmp info error : unable to open logo file bootlogo.bmp
[01.522]no vendor_boot partition is found
[01.551]Starting kernel ...
上电之后一点打印信息都没有 不知道哪个地方把uboot输出关了