i.MX ProcessorsのトピックIMX6SX FEC1 configuration for Linux https://community.nxp.com/t5/i-MX-Processors/IMX6SX-FEC1-configuration-for-Linux/m-p/550847#M86177 <HTML><HEAD></HEAD><BODY><P>I have a custom board where I am using a single Ethernet connection on ENET1 (fec1 in Linux).&nbsp; I am able to ping and transfer a file using TFTP in Uboot, but I am unable to get the link up in Linux. I have duplicate the iomux settings from Uboot to the dts file.</P><P></P><P>I have 2 questions:</P><P>1. How do I configure the IOMUX GPR1 register through the fec driver? I need to set bit 13=[1] since I am using an external crystal for TX_CLK.</P><P>2. Do I need to configure the PHY? I am using a Micrel PHY similar to iMX6UL EVK and need to write to PHY reg 0x1f for it to work in Uboot.</P><P></P><P>Log from linux:</P><P>fec 2188000.ethernet eth0: Freescale FEC PHY driver [Micrel KSZ8081 or KSZ8091] (mii_bus:phy_addr=2188000.ethernet:01, irq=-1)</P><P>IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready</P><P>udhcpc (v1.24.2) started</P><P>Sending discover...</P><P>Sending discover...</P><P>Sending discover...</P><P>No lease, failing</P></BODY></HTML> Fri, 08 Jul 2016 02:53:30 GMT hengyewlim 2016-07-08T02:53:30Z IMX6SX FEC1 configuration for Linux https://community.nxp.com/t5/i-MX-Processors/IMX6SX-FEC1-configuration-for-Linux/m-p/550847#M86177 <HTML><HEAD></HEAD><BODY><P>I have a custom board where I am using a single Ethernet connection on ENET1 (fec1 in Linux).&nbsp; I am able to ping and transfer a file using TFTP in Uboot, but I am unable to get the link up in Linux. I have duplicate the iomux settings from Uboot to the dts file.</P><P></P><P>I have 2 questions:</P><P>1. How do I configure the IOMUX GPR1 register through the fec driver? I need to set bit 13=[1] since I am using an external crystal for TX_CLK.</P><P>2. Do I need to configure the PHY? I am using a Micrel PHY similar to iMX6UL EVK and need to write to PHY reg 0x1f for it to work in Uboot.</P><P></P><P>Log from linux:</P><P>fec 2188000.ethernet eth0: Freescale FEC PHY driver [Micrel KSZ8081 or KSZ8091] (mii_bus:phy_addr=2188000.ethernet:01, irq=-1)</P><P>IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready</P><P>udhcpc (v1.24.2) started</P><P>Sending discover...</P><P>Sending discover...</P><P>Sending discover...</P><P>No lease, failing</P></BODY></HTML> Fri, 08 Jul 2016 02:53:30 GMT https://community.nxp.com/t5/i-MX-Processors/IMX6SX-FEC1-configuration-for-Linux/m-p/550847#M86177 hengyewlim 2016-07-08T02:53:30Z Re: IMX6SX FEC1 configuration for Linux https://community.nxp.com/t5/i-MX-Processors/IMX6SX-FEC1-configuration-for-Linux/m-p/550848#M86178 <HTML><HEAD></HEAD><BODY><P>I managed to get it working by modifying mach-imx6sx.c in arch/arm/mach-imx. </P></BODY></HTML> Fri, 08 Jul 2016 07:09:37 GMT https://community.nxp.com/t5/i-MX-Processors/IMX6SX-FEC1-configuration-for-Linux/m-p/550848#M86178 hengyewlim 2016-07-08T07:09:37Z Re: IMX6SX FEC1 configuration for Linux https://community.nxp.com/t5/i-MX-Processors/IMX6SX-FEC1-configuration-for-Linux/m-p/550849#M86179 <HTML><HEAD></HEAD><BODY><P>Thank you for sharing your comments Heng.</P><P></P><P>Regards,</P><P>Carlos</P></BODY></HTML> Tue, 12 Jul 2016 15:38:49 GMT https://community.nxp.com/t5/i-MX-Processors/IMX6SX-FEC1-configuration-for-Linux/m-p/550849#M86179 Carlos_Musich 2016-07-12T15:38:49Z