From patchwork Sun May  3 14:41:15 2020
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X-Patchwork-Submitter: Peng Fan <peng.fan@nxp.com>
X-Patchwork-Id: 244928
List-Id: U-Boot discussion <u-boot.lists.denx.de>
From: peng.fan at nxp.com (Peng Fan)
Date: Sun,  3 May 2020 22:41:15 +0800
Subject: [PATCH V2 3/8] net: Update eQos driver and FEC driver to use eth phy
 interfaces
In-Reply-To: <20200503144120.30038-1-peng.fan@nxp.com>
References: <20200503144120.30038-1-peng.fan@nxp.com>
Message-ID: <20200503144120.30038-3-peng.fan@nxp.com>

From: Ye Li <ye.li at nxp.com>

Update eQoS and fec ethernet drivers to support shared MDIO framework

Signed-off-by: Ye Li <ye.li at nxp.com>
Signed-off-by: Peng Fan <peng.fan at nxp.com>
---
 drivers/net/dwc_eth_qos.c | 45 +++++++++++++++++++++++++++++++--------------
 drivers/net/fec_mxc.c     | 16 ++++++++++++++--
 2 files changed, 45 insertions(+), 16 deletions(-)

diff --git a/drivers/net/dwc_eth_qos.c b/drivers/net/dwc_eth_qos.c
index 63f2086dec..dc2299dd69 100644
--- a/drivers/net/dwc_eth_qos.c
+++ b/drivers/net/dwc_eth_qos.c
@@ -41,6 +41,7 @@
 #include <wait_bit.h>
 #include <asm/gpio.h>
 #include <asm/io.h>
+#include <eth_phy.h>
 
 /* Core registers */
 
@@ -1083,7 +1084,14 @@ static int eqos_start(struct udevice *dev)
 	 * don't need to reconnect/reconfigure again
 	 */
 	if (!eqos->phy) {
-		eqos->phy = phy_connect(eqos->mii, eqos->phyaddr, dev,
+		int addr = -1;
+#ifdef CONFIG_DM_ETH_PHY
+		addr = eth_phy_get_addr(dev);
+#endif
+#ifdef DWC_NET_PHYADDR
+		addr = DWC_NET_PHYADDR;
+#endif
+		eqos->phy = phy_connect(eqos->mii, addr, dev,
 					eqos->config->interface(dev));
 		if (!eqos->phy) {
 			pr_err("phy_connect() failed");
@@ -1810,23 +1818,32 @@ static int eqos_probe(struct udevice *dev)
 		goto err_remove_resources_core;
 	}
 
-	eqos->mii = mdio_alloc();
+#ifdef CONFIG_DM_ETH_PHY
+	eqos->mii = eth_phy_get_mdio_bus(dev);
+#endif
 	if (!eqos->mii) {
-		pr_err("mdio_alloc() failed");
-		ret = -ENOMEM;
-		goto err_remove_resources_tegra;
-	}
-	eqos->mii->read = eqos_mdio_read;
-	eqos->mii->write = eqos_mdio_write;
-	eqos->mii->priv = eqos;
-	strcpy(eqos->mii->name, dev->name);
+		eqos->mii = mdio_alloc();
+		if (!eqos->mii) {
+			pr_err("mdio_alloc() failed");
+			ret = -ENOMEM;
+			goto err_remove_resources_tegra;
+		}
+		eqos->mii->read = eqos_mdio_read;
+		eqos->mii->write = eqos_mdio_write;
+		eqos->mii->priv = eqos;
+		strcpy(eqos->mii->name, dev->name);
 
-	ret = mdio_register(eqos->mii);
-	if (ret < 0) {
-		pr_err("mdio_register() failed: %d", ret);
-		goto err_free_mdio;
+		ret = mdio_register(eqos->mii);
+		if (ret < 0) {
+			pr_err("mdio_register() failed: %d", ret);
+			goto err_free_mdio;
+		}
 	}
 
+#ifdef CONFIG_DM_ETH_PHY
+	eth_phy_set_mdio_bus(dev, eqos->mii);
+#endif
+
 	debug("%s: OK\n", __func__);
 	return 0;
 
diff --git a/drivers/net/fec_mxc.c b/drivers/net/fec_mxc.c
index 32b0a7a816..688dee3a02 100644
--- a/drivers/net/fec_mxc.c
+++ b/drivers/net/fec_mxc.c
@@ -28,6 +28,7 @@
 #include <asm-generic/gpio.h>
 
 #include "fec_mxc.h"
+#include <eth_phy.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -1434,16 +1435,27 @@ static int fecmxc_probe(struct udevice *dev)
 	fec_reg_setup(priv);
 
 	priv->dev_id = dev->seq;
+
+#ifdef CONFIG_DM_ETH_PHY
+	bus = eth_phy_get_mdio_bus(dev);
+#endif
+
+	if (!bus) {
 #ifdef CONFIG_FEC_MXC_MDIO_BASE
-	bus = fec_get_miibus((ulong)CONFIG_FEC_MXC_MDIO_BASE, dev->seq);
+		bus = fec_get_miibus((ulong)CONFIG_FEC_MXC_MDIO_BASE, dev->seq);
 #else
-	bus = fec_get_miibus((ulong)priv->eth, dev->seq);
+		bus = fec_get_miibus((ulong)priv->eth, dev->seq);
 #endif
+	}
 	if (!bus) {
 		ret = -ENOMEM;
 		goto err_mii;
 	}
 
+#ifdef CONFIG_DM_ETH_PHY
+	eth_phy_set_mdio_bus(dev, bus);
+#endif
+
 	priv->bus = bus;
 	priv->interface = pdata->phy_interface;
 	switch (priv->interface) {