https://community.nxp.com/t5/S32K/GMAC/m-p/1790999#M30814 <P>Hello Conmunity,</P><P>I am using S32R41 EVB (S32R418AA)。Base on the lwip_S32R41_baremetal_M7 demo，I change the 1000M eth to 100M，what i do is as belowing:</P><P>1、change GMAC tx and rx clock to 25M。</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="yuran_0-1705572068988.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/258791iC750A28D1FD84D63/image-size/medium?v=v2&amp;px=400" role="button" title="yuran_0-1705572068988.png" alt="yuran_0-1705572068988.png" /></span></P><P>2、change GMAC configuration&nbsp; to 100M。</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="yuran_1-1705572159617.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/258796i8C1F01DFFFF1D179/image-size/medium?v=v2&amp;px=400" role="button" title="yuran_1-1705572159617.png" alt="yuran_1-1705572159617.png" /></span></P><P>3、Change the PC network card from auto-negotiate to 100M</P><P>&nbsp;The code keeps unchange，it does not initialize PHY。</P><P>When I ping the EVB，it occurs timeout。What‘s the matter？Help plz。@Hao</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="yuran_2-1705572303041.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/258798iA5627445843D2885/image-size/medium?v=v2&amp;px=400" role="button" title="yuran_2-1705572303041.png" alt="yuran_2-1705572303041.png" /></span></P><P>&nbsp;</P><P>&nbsp;</P><P>&nbsp;</P> Thu, 18 Jan 2024 10:07:59 GMT yuran 2024-01-18T10:07:59Z https://community.nxp.com/t5/S32K/GMAC/m-p/1790999#M30814 <P>Hello Conmunity,</P><P>I am using S32R41 EVB (S32R418AA)。Base on the lwip_S32R41_baremetal_M7 demo，I change the 1000M eth to 100M，what i do is as belowing:</P><P>1、change GMAC tx and rx clock to 25M。</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="yuran_0-1705572068988.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/258791iC750A28D1FD84D63/image-size/medium?v=v2&amp;px=400" role="button" title="yuran_0-1705572068988.png" alt="yuran_0-1705572068988.png" /></span></P><P>2、change GMAC configuration&nbsp; to 100M。</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="yuran_1-1705572159617.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/258796i8C1F01DFFFF1D179/image-size/medium?v=v2&amp;px=400" role="button" title="yuran_1-1705572159617.png" alt="yuran_1-1705572159617.png" /></span></P><P>3、Change the PC network card from auto-negotiate to 100M</P><P>&nbsp;The code keeps unchange，it does not initialize PHY。</P><P>When I ping the EVB，it occurs timeout。What‘s the matter？Help plz。@Hao</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="yuran_2-1705572303041.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/258798iA5627445843D2885/image-size/medium?v=v2&amp;px=400" role="button" title="yuran_2-1705572303041.png" alt="yuran_2-1705572303041.png" /></span></P><P>&nbsp;</P><P>&nbsp;</P><P>&nbsp;</P> Thu, 18 Jan 2024 10:07:59 GMT https://community.nxp.com/t5/S32K/GMAC/m-p/1790999#M30814 yuran 2024-01-18T10:07:59Z https://community.nxp.com/t5/S32K/GMAC/m-p/1795235#M31071 <P>Hello,</P> <P>I have hand over your question to RADAR team.</P> <P>I will update you once I have feedback.</P> <P>Best regards,</P> <P>Peter</P> Thu, 25 Jan 2024 08:14:01 GMT https://community.nxp.com/t5/S32K/GMAC/m-p/1795235#M31071 petervlna 2024-01-25T08:14:01Z https://community.nxp.com/t5/S32K/GMAC/m-p/1796722#M31156 <P>Hello,</P> <P>RADAR team is not able to work on this case unless you create ticket, and state company and all details so then they can alocate resources.</P> <P>Please create ticket at NXP.com in order to get in touch with experts.</P> <P>Best regards,</P> <P>Peter</P> Mon, 29 Jan 2024 09:01:26 GMT https://community.nxp.com/t5/S32K/GMAC/m-p/1796722#M31156 petervlna 2024-01-29T09:01:26Z