T-Series中的主题 Re: SerDes PEXx Protocol Control Register 7 Reset Value https://community.nxp.com/t5/T-Series/SerDes-PEXx-Protocol-Control-Register-7-Reset-Value/m-p/843328#M2826 <HTML><HEAD></HEAD><BODY><P>Please note that the register is big-endian, so the value is 0x300C090 - i.e. EQ_EN is 0.</P></BODY></HTML> Tue, 30 Oct 2018 10:19:28 GMT ufedor 2018-10-30T10:19:28Z SerDes PEXx Protocol Control Register 7 Reset Value https://community.nxp.com/t5/T-Series/SerDes-PEXx-Protocol-Control-Register-7-Reset-Value/m-p/843327#M2825 <HTML><HEAD></HEAD><BODY><P>It appears in the QorIQ T2080 Reference Manual, Rev. 3, 11/2016 that the SerDesx_PEXnCR7[EQ_EN] reset value is 0, but when I check with an emulator it looks to be set.&nbsp; Is the reset value listed in the reference manual incorrect for this register?&nbsp; The full read yielded 0x90C0_0003 for SerDes1_PEX[0:3].</P></BODY></HTML> Fri, 26 Oct 2018 22:09:01 GMT https://community.nxp.com/t5/T-Series/SerDes-PEXx-Protocol-Control-Register-7-Reset-Value/m-p/843327#M2825 brianross 2018-10-26T22:09:01Z Re: SerDes PEXx Protocol Control Register 7 Reset Value https://community.nxp.com/t5/T-Series/SerDes-PEXx-Protocol-Control-Register-7-Reset-Value/m-p/843328#M2826 <HTML><HEAD></HEAD><BODY><P>Please note that the register is big-endian, so the value is 0x300C090 - i.e. EQ_EN is 0.</P></BODY></HTML> Tue, 30 Oct 2018 10:19:28 GMT https://community.nxp.com/t5/T-Series/SerDes-PEXx-Protocol-Control-Register-7-Reset-Value/m-p/843328#M2826 ufedor 2018-10-30T10:19:28Z Re: SerDes PEXx Protocol Control Register 7 Reset Value https://community.nxp.com/t5/T-Series/SerDes-PEXx-Protocol-Control-Register-7-Reset-Value/m-p/843329#M2827 <HTML><HEAD></HEAD><BODY><P>I double-checked and made sure I performed a read returning big-endian format and I still get 0x90C00003 so it appears like SerDesx_PEXnCR7[EQ_EN] should be 1 by default.&nbsp; I'm having trouble with PCIe Gen3 and want to make sure the autonomous equalization is enabled.</P></BODY></HTML> Tue, 30 Oct 2018 13:38:29 GMT https://community.nxp.com/t5/T-Series/SerDes-PEXx-Protocol-Control-Register-7-Reset-Value/m-p/843329#M2827 brianross 2018-10-30T13:38:29Z