diff --git a/board/st/stm32mp1/stm32mp1.c b/board/st/stm32mp1/stm32mp1.c
index 76917b022e..5398632667 100644
--- a/board/st/stm32mp1/stm32mp1.c
+++ b/board/st/stm32mp1/stm32mp1.c
@@ -12,6 +12,9 @@
 #include <i2c.h>
 #include <led.h>
 #include <misc.h>
+#include <mtd.h>
+#include <mtd_node.h>
+#include <netdev.h>
 #include <phy.h>
 #include <reset.h>
 #include <syscon.h>
@@ -504,3 +507,73 @@ void board_quiesce_devices(void)
 {
 	setup_led(LEDST_OFF);
 }
+
+/* eth init function : weak called in eqos driver */
+int board_interface_eth_init(struct udevice *dev,
+			     phy_interface_t interface_type)
+{
+	u8 *syscfg;
+	u32 value;
+	bool eth_clk_sel_reg = false;
+	bool eth_ref_clk_sel_reg = false;
+
+	/* Gigabit Ethernet 125MHz clock selection. */
+	eth_clk_sel_reg = dev_read_bool(dev, "st,eth_clk_sel");
+
+	/* Ethernet 50Mhz RMII clock selection */
+	eth_ref_clk_sel_reg =
+		dev_read_bool(dev, "st,eth_ref_clk_sel");
+
+	syscfg = (u8 *)syscon_get_first_range(STM32MP_SYSCON_SYSCFG);
+
+	if (!syscfg)
+		return -ENODEV;
+
+	switch (interface_type) {
+	case PHY_INTERFACE_MODE_MII:
+		value = SYSCFG_PMCSETR_ETH_SEL_GMII_MII |
+			SYSCFG_PMCSETR_ETH_REF_CLK_SEL;
+		debug("%s: PHY_INTERFACE_MODE_MII\n", __func__);
+		break;
+	case PHY_INTERFACE_MODE_GMII:
+		if (eth_clk_sel_reg)
+			value = SYSCFG_PMCSETR_ETH_SEL_GMII_MII |
+				SYSCFG_PMCSETR_ETH_CLK_SEL;
+		else
+			value = SYSCFG_PMCSETR_ETH_SEL_GMII_MII;
+		debug("%s: PHY_INTERFACE_MODE_GMII\n", __func__);
+		break;
+	case PHY_INTERFACE_MODE_RMII:
+		if (eth_ref_clk_sel_reg)
+			value = SYSCFG_PMCSETR_ETH_SEL_RMII |
+				SYSCFG_PMCSETR_ETH_REF_CLK_SEL;
+		else
+			value = SYSCFG_PMCSETR_ETH_SEL_RMII;
+		debug("%s: PHY_INTERFACE_MODE_RMII\n", __func__);
+		break;
+	case PHY_INTERFACE_MODE_RGMII:
+	case PHY_INTERFACE_MODE_RGMII_ID:
+	case PHY_INTERFACE_MODE_RGMII_RXID:
+	case PHY_INTERFACE_MODE_RGMII_TXID:
+		if (eth_clk_sel_reg)
+			value = SYSCFG_PMCSETR_ETH_SEL_RGMII |
+				SYSCFG_PMCSETR_ETH_CLK_SEL;
+		else
+			value = SYSCFG_PMCSETR_ETH_SEL_RGMII;
+		debug("%s: PHY_INTERFACE_MODE_RGMII\n", __func__);
+		break;
+	default:
+		debug("%s: Do not manage %d interface\n",
+		      __func__, interface_type);
+		/* Do not manage others interfaces */
+		return -EINVAL;
+	}
+
+	/* clear and set ETH configuration bits */
+	writel(SYSCFG_PMCSETR_ETH_SEL_MASK | SYSCFG_PMCSETR_ETH_SELMII |
+	       SYSCFG_PMCSETR_ETH_REF_CLK_SEL | SYSCFG_PMCSETR_ETH_CLK_SEL,
+	       syscfg + SYSCFG_PMCCLRR);
+	writel(value, syscfg + SYSCFG_PMCSETR);
+
+	return 0;
+}
diff --git a/drivers/net/dwc_eth_qos.c b/drivers/net/dwc_eth_qos.c
index 0e7534b918..fd5077a63c 100644
--- a/drivers/net/dwc_eth_qos.c
+++ b/drivers/net/dwc_eth_qos.c
@@ -1592,8 +1592,8 @@ err_free_reset_eqos:
 }
 
 /* board-specific Ethernet Interface initializations. */
-__weak int board_interface_eth_init(int interface_type, bool eth_clk_sel_reg,
-				    bool eth_ref_clk_sel_reg)
+__weak int board_interface_eth_init(struct udevice *dev,
+				    phy_interface_t interface_type)
 {
 	return 0;
 }
@@ -1603,8 +1603,6 @@ static int eqos_probe_resources_stm32(struct udevice *dev)
 	struct eqos_priv *eqos = dev_get_priv(dev);
 	int ret;
 	phy_interface_t interface;
-	bool eth_clk_sel_reg = false;
-	bool eth_ref_clk_sel_reg = false;
 
 	debug("%s(dev=%p):\n", __func__, dev);
 
@@ -1615,15 +1613,7 @@ static int eqos_probe_resources_stm32(struct udevice *dev)
 		return -EINVAL;
 	}
 
-	/* Gigabit Ethernet 125MHz clock selection. */
-	eth_clk_sel_reg = dev_read_bool(dev, "st,eth_clk_sel");
-
-	/* Ethernet 50Mhz RMII clock selection */
-	eth_ref_clk_sel_reg =
-		dev_read_bool(dev, "st,eth_ref_clk_sel");
-
-	ret = board_interface_eth_init(interface, eth_clk_sel_reg,
-				       eth_ref_clk_sel_reg);
+	ret = board_interface_eth_init(dev, interface);
 	if (ret)
 		return -EINVAL;
 
diff --git a/include/netdev.h b/include/netdev.h
index b9bfebac67..426158a266 100644
--- a/include/netdev.h
+++ b/include/netdev.h
@@ -11,6 +11,7 @@
 
 #ifndef _NETDEV_H_
 #define _NETDEV_H_
+#include <phy_interface.h>
 
 /*
  * Board and CPU-specific initialization functions
@@ -22,6 +23,8 @@
  */
 
 int board_eth_init(bd_t *bis);
+int board_interface_eth_init(struct udevice *dev,
+			     phy_interface_t interface_type);
 int cpu_eth_init(bd_t *bis);
 
 /* Driver initialization prototypes */