SPn_ERR_STAT 返回值是1,说明寄存器的第0位 PORT_UNINITIALIZED
值为1 ,我用的TI官网提供的历程 srio_external_loopbk_example 直接运行的
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这个值代表SRIO端口没有初始化成功,和对端没有协商上,一般有可能是:
1 SRIO模式和对端不匹配,1X.4X
2 速率和对端不匹配
3 CLOCK没有满足SPEC要求
4 对端器件(如FPGA)初始化错误