xmd：AP transaction timeout: ACK = 0x01, expected=0x02)

错误情景：1， 在用sdk -> xilinx tools->program flash时弹出此错误

                     2，输入xmd命令：

                                                     

解决路径：参考xilinx  技术支持----http://china.xilinx.com/support/answers/64715.html

具体解决方案：

    

1，Check whether CPU1 is reset by custom uboot or standalone applications.

You can read register slcr.A9_CPU_RST_CTRL to confirm it.

2，In some cases, customers only use CPU0 in their design, then reset CPU1 and stop clock to CPU1.

However, If CPU1 is under reset, XMD cannot connect to arm correctly.