topic Re: p1010 ETsec link up-down changing continuesly in P-Series https://community.nxp.com/t5/P-Series/p1010-ETsec-link-up-down-changing-continuesly/m-p/306286#M1101 <HTML><HEAD></HEAD><BODY><P>If the same code execuded on Freescale P1010RDB board works properly, but does not work on your custom board than the first question is - what is the difference between your board and Freescale P1010RDB board?</P></BODY></HTML> Sun, 04 May 2014 07:10:21 GMT alexander_yakov 2014-05-04T07:10:21Z p1010 ETsec link up-down changing continuesly https://community.nxp.com/t5/P-Series/p1010-ETsec-link-up-down-changing-continuesly/m-p/306285#M1100 <HTML><HEAD></HEAD><BODY><P style="text-align: left; background-color: #ffffff; text-indent: 0px; color: #3d3d3d;">Hi,</P><P></P><P style="text-align: left; background-color: #ffffff; text-indent: 0px; color: #3d3d3d;">we are trying to setup an&nbsp; SGMII link from the p1010 (ETSEC 2 TBI) to the connected Marvell 88e1512 phy device.</P><P style="text-align: left; background-color: #ffffff; text-indent: 0px; color: #3d3d3d;">The result of our configuration is that we see that the Copper side of the SGMII link is<SPAN class="Apple-converted-space"> </SPAN><SPAN style="font-family: inherit; font-size: 13px; text-decoration: underline;"><STRONG style="font-family: inherit; font-size: 13px;">up</STRONG></SPAN><SPAN class="Apple-converted-space"> </SPAN>and<SPAN class="Apple-converted-space"> </SPAN><STRONG style="font-family: inherit; font-size: 13px; text-decoration: underline;">stable</STRONG>.</P><P style="text-align: left; background-color: #ffffff; text-indent: 0px; color: #3d3d3d;">However the TBI link status is not stable - changes up-down continuously.</P><P></P><P style="text-align: left; background-color: #ffffff; text-indent: 0px; color: #3d3d3d;">1. The same p1010 code executed on the p1010rdb and the result is a stable link up in the TBI.</P><P style="text-align: left; background-color: #ffffff; text-indent: 0px; color: #3d3d3d;">2. It seems that the Marvell configuration is correct.</P><P style="text-align: left; background-color: #ffffff; text-indent: 0px; color: #3d3d3d;">3. Configuration is for 100 MB without Auto Negotiation.</P><P></P><P style="text-align: left; background-color: #ffffff; text-indent: 0px; color: #3d3d3d;">Any ideas what cause the link not to be stable?</P><P style="text-align: left; background-color: #ffffff; text-indent: 0px; color: #3d3d3d;">How does the eTSEC determines if link is up or down?</P><P style="text-align: left; background-color: #ffffff; text-indent: 0px; color: #3d3d3d;">Any specific power up sequence we should be aware about?</P><P></P><P style="text-align: left; background-color: #ffffff; text-indent: 0px; color: #3d3d3d;">Thanks in advance for the support.</P><P style="text-align: left; background-color: #ffffff; text-indent: 0px; color: #3d3d3d;">Yoav</P></BODY></HTML> Tue, 29 Apr 2014 08:11:03 GMT https://community.nxp.com/t5/P-Series/p1010-ETsec-link-up-down-changing-continuesly/m-p/306285#M1100 yoavbaryoseph 2014-04-29T08:11:03Z Re: p1010 ETsec link up-down changing continuesly https://community.nxp.com/t5/P-Series/p1010-ETsec-link-up-down-changing-continuesly/m-p/306286#M1101 <HTML><HEAD></HEAD><BODY><P>If the same code execuded on Freescale P1010RDB board works properly, but does not work on your custom board than the first question is - what is the difference between your board and Freescale P1010RDB board?</P></BODY></HTML> Sun, 04 May 2014 07:10:21 GMT https://community.nxp.com/t5/P-Series/p1010-ETsec-link-up-down-changing-continuesly/m-p/306286#M1101 alexander_yakov 2014-05-04T07:10:21Z