We customized the ls1043 board and boot from the sd card. Now plug in the sd card, but there is no output from the serial port, we have checked and the voltage and power-on sequence are normal, can there be other places to check
It is needed to refer to the QorIQ LS1043A Reference Manual, Table 33-1. Supported SerDes options and Table 33-4. Valid SerDes RCW Encodings and Reference Clocks.