topic PCIE link up faile in i.MX Processors https://community.nxp.com/t5/i-MX-Processors/PCIE-link-up-faile/m-p/1032417#M152412 <HTML><HEAD></HEAD><BODY><P>我们的产品中用到PCIE转以太网芯片。下面是电路</P><P><IMG src="http://mail.163.com/js6/s?func=mbox:getMessageData&amp;mid=177:1tbisRbIr1XllqEDhQAAsB&amp;part=3" /></P><P><IMG src="http://mail.163.com/js6/s?func=mbox:getMessageData&amp;mid=177:1tbisRbIr1XllqEDhQAAsB&amp;part=4" /></P><P><IMG src="http://mail.163.com/js6/s?func=mbox:getMessageData&amp;mid=177:1tbisRbIr1XllqEDhQAAsB&amp;part=5" /></P><P><IMG src="http://mail.163.com/js6/s?func=mbox:getMessageData&amp;mid=177:1tbisRbIr1XllqEDhQAAsB&amp;part=6" /></P><P></P><P>目前遇到的情况是不管在ep模式下还是在rc模式下都link up file</P><OL style="color: #000000; font-size: 14px; font-weight: 400; text-indent: 0px;"><LI style="color: #1f3864; margin-left: 0pt;"><SPAN style="font-size: 10.5pt;">PCIE_VP/VPH.&nbsp; 电压正常，这个和HDMI用同样的供电&nbsp; ，HDMI现在能正常运行！</SPAN></LI><LI style="color: #1f3864; margin-left: 0pt;"><SPAN style="font-size: 10.5pt;">Reset引脚也已经配置。</SPAN></LI><LI style="color: #1f3864; margin-left: 0pt;"><SPAN style="font-size: 10.5pt;">现在测量</SPAN>CLK1时，能测量到有1.3V左右的电压，但是测不到100M的波形。</LI></OL><P><SPAN style="color: #000000; font-size: 14px;">RC模式下还是会出现下面的log。</SPAN></P><P><SPAN style="color: #000000; font-size: 14px;"><IMG src="http://mail.163.com/js6/s?func=mbox:getMessageData&amp;mid=44:1tbiLBPKr1spWO-sMwAAsA&amp;part=3" /></SPAN></P><P></P><P><SPAN style="color: #000000; font-size: 14px;"><SPAN>修改成EP模式（type_ep=1）会出现下面的log后卡死</SPAN></SPAN></P><P></P><P><SPAN style="color: #000000; font-size: 14px;"><IMG src="http://mail.163.com/js6/s?func=mbox:getMessageData&amp;mid=44:1tbiLBPKr1spWO-sMwAAsA&amp;part=5" /></SPAN></P><P><SPAN style="color: #000000; font-size: 14px;"><IMG src="http://mail.163.com/js6/s?func=mbox:getMessageData&amp;mid=44:1tbiLBPKr1spWO-sMwAAsA&amp;part=6" /></SPAN></P><P><SPAN style="color: #000000; font-size: 14px;">因为上面读取错误，导致卡在这个地方没法出去。</SPAN></P><P><SPAN style="color: #000000; font-size: 14px;">请大神指点迷津。</SPAN></P></BODY></HTML> Sun, 16 Feb 2020 11:15:37 GMT lijun10210 2020-02-16T11:15:37Z PCIE link up faile https://community.nxp.com/t5/i-MX-Processors/PCIE-link-up-faile/m-p/1032417#M152412 <HTML><HEAD></HEAD><BODY><P>我们的产品中用到PCIE转以太网芯片。下面是电路</P><P><IMG src="http://mail.163.com/js6/s?func=mbox:getMessageData&amp;mid=177:1tbisRbIr1XllqEDhQAAsB&amp;part=3" /></P><P><IMG src="http://mail.163.com/js6/s?func=mbox:getMessageData&amp;mid=177:1tbisRbIr1XllqEDhQAAsB&amp;part=4" /></P><P><IMG src="http://mail.163.com/js6/s?func=mbox:getMessageData&amp;mid=177:1tbisRbIr1XllqEDhQAAsB&amp;part=5" /></P><P><IMG src="http://mail.163.com/js6/s?func=mbox:getMessageData&amp;mid=177:1tbisRbIr1XllqEDhQAAsB&amp;part=6" /></P><P></P><P>目前遇到的情况是不管在ep模式下还是在rc模式下都link up file</P><OL style="color: #000000; font-size: 14px; font-weight: 400; text-indent: 0px;"><LI style="color: #1f3864; margin-left: 0pt;"><SPAN style="font-size: 10.5pt;">PCIE_VP/VPH.&nbsp; 电压正常，这个和HDMI用同样的供电&nbsp; ，HDMI现在能正常运行！</SPAN></LI><LI style="color: #1f3864; margin-left: 0pt;"><SPAN style="font-size: 10.5pt;">Reset引脚也已经配置。</SPAN></LI><LI style="color: #1f3864; margin-left: 0pt;"><SPAN style="font-size: 10.5pt;">现在测量</SPAN>CLK1时，能测量到有1.3V左右的电压，但是测不到100M的波形。</LI></OL><P><SPAN style="color: #000000; font-size: 14px;">RC模式下还是会出现下面的log。</SPAN></P><P><SPAN style="color: #000000; font-size: 14px;"><IMG src="http://mail.163.com/js6/s?func=mbox:getMessageData&amp;mid=44:1tbiLBPKr1spWO-sMwAAsA&amp;part=3" /></SPAN></P><P></P><P><SPAN style="color: #000000; font-size: 14px;"><SPAN>修改成EP模式（type_ep=1）会出现下面的log后卡死</SPAN></SPAN></P><P></P><P><SPAN style="color: #000000; font-size: 14px;"><IMG src="http://mail.163.com/js6/s?func=mbox:getMessageData&amp;mid=44:1tbiLBPKr1spWO-sMwAAsA&amp;part=5" /></SPAN></P><P><SPAN style="color: #000000; font-size: 14px;"><IMG src="http://mail.163.com/js6/s?func=mbox:getMessageData&amp;mid=44:1tbiLBPKr1spWO-sMwAAsA&amp;part=6" /></SPAN></P><P><SPAN style="color: #000000; font-size: 14px;">因为上面读取错误，导致卡在这个地方没法出去。</SPAN></P><P><SPAN style="color: #000000; font-size: 14px;">请大神指点迷津。</SPAN></P></BODY></HTML> Sun, 16 Feb 2020 11:15:37 GMT https://community.nxp.com/t5/i-MX-Processors/PCIE-link-up-faile/m-p/1032417#M152412 lijun10210 2020-02-16T11:15:37Z Re: PCIE link up faile https://community.nxp.com/t5/i-MX-Processors/PCIE-link-up-faile/m-p/1032418#M152413 <HTML><HEAD></HEAD><BODY><P>your pictures of your schematic above is not showing. could you re-send the picture? thanks.</P></BODY></HTML> Wed, 26 Feb 2020 17:23:26 GMT https://community.nxp.com/t5/i-MX-Processors/PCIE-link-up-faile/m-p/1032418#M152413 jimmychan 2020-02-26T17:23:26Z