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TMS32C6671技术咨询



请问一下:  DSP6671作为PCIE的RC,接一级PCIE SWITCH后再接一级PCIE2PCI桥片,再接2个DSP6455,目前可以枚举PCIE SWITCH,无法枚举到PCIE2PCI桥,更无法枚举到2个6455,请问要如何才能枚举成功?  枚举成功的依据为0x21802000有相应的VENDOR和DEVICE号, 使用DSP的官方PCIE测试程序的。请问:PCIE SWITCH的枚举算法怎么实现?下游端口的状态信息如何获取?SWITCH桥片为PEX 8604。谢谢解答!