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T1042 SerDes Lane Assignments and Multiplexing

Question asked by lwn on Jun 2, 2015
Latest reply on Jun 4, 2015 by lunminliang

Hi,

 

The "QorIQ T1040 Reference Manual, Rev. 0, 01/2015" shows SerDes lane assignment and multiplexing options in "Figure 31-1. Supported SerDes Options".

The SerDes mux configuration I am looking for is not listed.

 

For example, If I would need two PCIe x2, two sgmii and one SATA:

  • SerDes ABCD as PCIe1 x2, sg.m1, sg.m2 (like in configuration 0x40 or 0x45) and
  • SerDes EFGH as PCIe2 x2, PCIe4 x1, SATA1 ((like in configuration 0x81) and
  • EC1/EC2 as MAC4/MAC5

Would a SerDes mux configuration 0x41 be possible?

Or does Figure 31-1 show the only available ones?

 

Thanks,

lwn

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