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SRIO_SERDES_LOOPBACK



1.在SRIO_SERDES_LOOPBACK时,外部的端口TX与RX需要短接吗?如果短接会有什么影响?

2.在SRIO_SERDES_LOOPBACK debug模式,程序在Keystone_SRIO_wait_LSU_completion()函数中死循环,即LSU_state.LSU Context Bit与reg6.LCB,不相等,这说明什么?硬件坏了吗?