你是在C6678 EVM上跑出这个问题吗?
C6678 EVM上一个FPGA bug会导致这个错误:
Unexpected EVM Reset Event
All Beta1 and Beta2 EVMs have a design erratum that may need to be corrected. Beta2
EVMs received this ECN before they were shipped from the factory. The TDI input to the
FPGA is floating. This has been observed to allow unexpected FPGA behavior on a small
percentage of the boards. Often the SYSPG_D1 LED goes out and CCS unexpectedly
disconnects. A pull-up resistor needs to be added to prevent this from happening. This
can be added on the bottom of connector TAP_FPGA1 between pins 1 and 5. Any resistor
value between 1K and 10K will suffice.
如果是在你们自己的板子上的问题请另建新贴提问。