kontron_mx6ul: Fix ethernet support

With the current devicetrees from Linux ethernet didn't work for some
reason. Disable the second ethernet and let the first one control MDIO
to make it work in U-Boot.

Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>

arch/arm/dts/imx6ul-kontron-n6x1x-s-u-boot.dtsi

@@ -5,15 +5,38 @@
  */
 
 /*
- * To make both PHYs work, we need to set the reset pin once. Afterwards
+ * To make the PHYs work, we need to set the reset pin once. Afterwards
  * in Linux we can't assign the shared reset GPIO to the PHYs, as this
  * would cause Linux to reset both PHYs every time one of them gets
  * reinitialized.
+ *
+ * Also we disable the second ethernet as it currently doesn't work with
+ * the devicetree setup in U-Boot.
  */
+
 &fec1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_enet1 &pinctrl_enet1_mdio>;
+	phy-mode = "rmii";
+	phy-handle = <&ethphy1>;
 	phy-reset-gpios = <&gpio5 9 GPIO_ACTIVE_HIGH>;
+	status = "okay";
+
+	mdio {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		ethphy1: ethernet-phy@1 {
+			reg = <1>;
+			micrel,led-mode = <0>;
+			clocks = <&clks IMX6UL_CLK_ENET_REF>;
+			clock-names = "rmii-ref";
+		};
+	};
 };
 
 &fec2 {
-	phy-reset-gpios = <&gpio5 9 GPIO_ACTIVE_HIGH>;
+	status = "disabled";
+	/delete-property/ phy-handle;
+	/delete-node/ mdio;
 };

include/configs/kontron_common.h

@@ -66,7 +66,7 @@
  * #######################################
  */
 #ifdef CONFIG_FEC_MXC
-#define CONFIG_ETHPRIME			"eth0"
+#define CONFIG_ETHPRIME			"eth1"
 #else
 #define CONFIG_ETHPRIME
 #endif
@@ -90,7 +90,7 @@
  */
 #define CONFIG_EXTRA_ENV_SETTINGS \
 	"bootargs_base=" KONTRON_ENV_KERNEL_MTDPARTS " " \
-			 KONTRON_ENV_KERNEL_CONSOLE "\0" \
+			 KONTRON_ENV_KERNEL_CONSOLE " \0" \
 	"script=boot.scr\0" \
 	"fdt_high=0xffffffff\0" \
 	"initrd_high=0xffffffff\0" \
@@ -109,6 +109,16 @@
 	"hostname=" CONFIG_HOSTNAME "\0" \
 	"bootubipart=spi-nand0\0" \
 	"bootubivol=boot\0" \
-	BOOTENV
+	"bootdelay=0\0" \
+	"ethaddr=22:33:44:44:33:22\0" \
+	"nfsroot=/nfsroot\0" \
+	"netargs=setenv bootargs root=/dev/nfs rw video=HDMI-A-1:1280x720 " \
+	"ip=192.168.1.11:192.168.1.10:192.168.1.10:255.255.255.0:n8010:eth1:any: nfsroot=192.168.1.10:${nfsroot},v3,tcp\0" \
+	"bootcmd=run netargs; tftp 0x82000000 fitImage; bootm 0x82000000#conf@imx6ull-kontron-n6411-s.dtb"
+//	"ip=192.168.1.11:192.168.1.10:192.168.1.10:255.255.255.0:n8010:eth1:any: nfsroot=192.168.1.10:${nfsroot},v3,tcp\0" \
+//	"bootcmd=run netargs; tftp 0x82000000 fitImage; bootm 0x82000000#conf@imx6ul-kontron-n6310-s.dtb"
+//	"bootcmd=run netargs; tftp 0x43000000 fitImage; bootm 0x43000000#conf@freescale_imx8mm-kontron-n8010-s-lvds.dtb"
+//	"bootcmd=bootm 0x43000000#conf@freescale_imx8mm-kontron-n8011-s.dtb\0"
+//	BOOTENV
 
 #endif /* __KONTRON_COMMON_CONFIG_H */