nmhw23: add ethernet config

arch/arm/dts/imx8_nmhw23.dts

@@ -111,6 +111,22 @@
 				SC_P_ESAI0_TX1_LSIO_GPIO0_IO05		0x00000060
 			>;
 		};
+
+		pinctrl_eth: eth_grp {
+			fsl,pins = <
+				SC_P_COMP_CTL_GPIO_1V8_3V3_ENET_ENETB0_PAD	0x000014a0
+				SC_P_ENET0_MDC_CONN_ENET0_MDC			0x06000060
+				SC_P_ENET0_MDIO_CONN_ENET0_MDIO			0x06000060
+				SC_P_ENET0_RGMII_TXC_CONN_ENET0_RCLK50M_IN	0x06000060
+				SC_P_ENET0_RGMII_TX_CTL_CONN_ENET0_RGMII_TX_CTL	0x06000020
+				SC_P_ENET0_RGMII_TXD0_CONN_ENET0_RGMII_TXD0	0x06000020
+				SC_P_ENET0_RGMII_TXD1_CONN_ENET0_RGMII_TXD1	0x06000020
+				SC_P_ENET0_RGMII_RX_CTL_CONN_ENET0_RGMII_RX_CTL	0x06000020
+				SC_P_ENET0_RGMII_RXD0_CONN_ENET0_RGMII_RXD0	0x06000020
+				SC_P_ENET0_RGMII_RXD1_CONN_ENET0_RGMII_RXD1	0x06000020
+				SC_P_ENET0_RGMII_RXD2_CONN_ENET0_RMII_RX_ER	0x06000040
+			>;
+		};
 	};
 };
 
@@ -131,3 +147,30 @@
 	non-removable;
 	status = "okay";
 };
+
+&fec1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_eth>;
+	phy-mode = "rmii";
+	phy-handle = <&phy>;
+	fsl,magic-packet;
+	status = "okay";
+	phy-reset-gpios = <&gpio4 6 GPIO_ACTIVE_LOW>;
+	phy-reset-duration = <10>;
+	phy-reset-post-delay = <150>;
+
+	fixed-link {
+		speed = <100>;
+		full-duplex;
+	};
+
+	mdio {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		phy: phy@1 {
+			compatible = "ethernet-phy-ieee802.3-c22";
+			reg = <1>;
+		};
+	};
+};

board/netmodule/imx8_nmhw23/imx8_nmhw23.c

@@ -115,8 +115,21 @@ int checkboard(void)
 
 int board_init(void)
 {
+	struct udevice *sja1105;
+	int ret;
+
 	board_gpio_init();
 
+	ret = uclass_get_device_by_name(UCLASS_MISC, "sja1105", &sja1105);
+	if (ret)
+	{
+		printf("Net:   No switch found.\n");
+	}
+	else
+	{
+		printf("Net:   SJA1105 switch found.\n");
+	}
+
 	return 0;
 }
 

configs/imx8_nmhw23_defconfig

@@ -24,7 +24,6 @@ CONFIG_SPL_POWER_SUPPORT=y
 CONFIG_SPL_POWER_DOMAIN=y
 CONFIG_SPL_WATCHDOG_SUPPORT=y
 CONFIG_CMD_CPU=y
-# CONFIG_CMD_IMPORTENV is not set
 CONFIG_CMD_CLK=y
 CONFIG_CMD_DM=y
 CONFIG_CMD_GPIO=y
@@ -47,17 +46,12 @@ CONFIG_MXC_GPIO=y
 CONFIG_DM_PCA953X=y
 CONFIG_DM_I2C=y
 CONFIG_SYS_I2C_IMX_LPI2C=y
-CONFIG_I2C_MUX=y
-CONFIG_I2C_MUX_PCA954x=y
 CONFIG_MISC=y
 CONFIG_DM_MMC=y
 CONFIG_PHYLIB=y
 CONFIG_PHY_ADDR_ENABLE=y
-CONFIG_PHY_ATHEROS=y
+CONFIG_PHY_SMSC=y
 CONFIG_DM_ETH=y
-CONFIG_PHY_GIGE=y
-CONFIG_FEC_MXC_SHARE_MDIO=y
-CONFIG_FEC_MXC_MDIO_BASE=0x5B040000
 CONFIG_FEC_MXC=y
 CONFIG_MII=y
 CONFIG_PINCTRL=y
@@ -73,7 +67,6 @@ CONFIG_SPL_DM_REGULATOR_GPIO=y
 CONFIG_DM_SERIAL=y
 CONFIG_FSL_LPUART=y
 CONFIG_SPL_TINY_MEMSET=y
-# CONFIG_EFI_LOADER is not set
 CONFIG_SPI=y
 CONFIG_DM_SPI=y
 CONFIG_SOFT_SPI=y

include/configs/imx8_nmhw23.h

@@ -171,14 +171,8 @@
 /* Generic Timer Definitions */
 #define COUNTER_FREQUENCY		8000000	/* 8MHz */
 
-#ifndef CONFIG_DM_PCA953X
-#define CONFIG_PCA953X
-#define CONFIG_CMD_PCA953X
-#define CONFIG_CMD_PCA953X_INFO
-#endif
-
 /* Networking */
-#define CONFIG_FEC_XCV_TYPE		RGMII
+#define CONFIG_FEC_XCV_TYPE		RMII
 #define FEC_QUIRK_ENET_MAC
 
 #endif /* __IMX8_NMHW23_H */