X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=drivers%2Fnet%2Fsmc911x.c;h=feae8c09cf168117db9a9ab6d4ddbb95f147b691;hb=b1d093d2568c5e13e979b64b7b4b1b4859b4a624;hp=b106ec97320a17c530650aa8bcafb6e6df626369;hpb=9efe379a0eb127e616d780533a711f99b52ea64a;p=u-boot

diff --git a/drivers/net/smc911x.c b/drivers/net/smc911x.c
index b106ec9732..feae8c09cf 100644
--- a/drivers/net/smc911x.c
+++ b/drivers/net/smc911x.c
@@ -3,23 +3,7 @@
  *
  * (c) 2007 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de>
  *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>
@@ -35,9 +19,7 @@ u32 pkt_data_pull(struct eth_device *dev, u32 addr) \
 void pkt_data_push(struct eth_device *dev, u32 addr, u32 val) \
 	__attribute__ ((weak, alias ("smc911x_reg_write")));
 
-#define mdelay(n)       udelay((n)*1000)
-
-static void smx911x_handle_mac_address(struct eth_device *dev)
+static void smc911x_handle_mac_address(struct eth_device *dev)
 {
 	unsigned long addrh, addrl;
 	uchar *m = dev->enetaddr;
@@ -50,7 +32,7 @@ static void smx911x_handle_mac_address(struct eth_device *dev)
 	printf(DRIVERNAME ": MAC %pM\n", m);
 }
 
-static int smc911x_miiphy_read(struct eth_device *dev,
+static int smc911x_eth_phy_read(struct eth_device *dev,
 				u8 phy, u8 reg, u16 *val)
 {
 	while (smc911x_get_mac_csr(dev, MII_ACC) & MII_ACC_MII_BUSY)
@@ -67,7 +49,7 @@ static int smc911x_miiphy_read(struct eth_device *dev,
 	return 0;
 }
 
-static int smc911x_miiphy_write(struct eth_device *dev,
+static int smc911x_eth_phy_write(struct eth_device *dev,
 				u8 phy, u8 reg, u16  val)
 {
 	while (smc911x_get_mac_csr(dev, MII_ACC) & MII_ACC_MII_BUSY)
@@ -103,11 +85,11 @@ static void smc911x_phy_configure(struct eth_device *dev)
 
 	smc911x_phy_reset(dev);
 
-	smc911x_miiphy_write(dev, 1, PHY_BMCR, PHY_BMCR_RESET);
+	smc911x_eth_phy_write(dev, 1, MII_BMCR, BMCR_RESET);
 	mdelay(1);
-	smc911x_miiphy_write(dev, 1, PHY_ANAR, 0x01e1);
-	smc911x_miiphy_write(dev, 1, PHY_BMCR, PHY_BMCR_AUTON |
-				PHY_BMCR_RST_NEG);
+	smc911x_eth_phy_write(dev, 1, MII_ADVERTISE, 0x01e1);
+	smc911x_eth_phy_write(dev, 1, MII_BMCR, BMCR_ANENABLE |
+				BMCR_ANRESTART);
 
 	timeout = 5000;
 	do {
@@ -115,9 +97,9 @@ static void smc911x_phy_configure(struct eth_device *dev)
 		if ((timeout--) == 0)
 			goto err_out;
 
-		if (smc911x_miiphy_read(dev, 1, PHY_BMSR, &status) != 0)
+		if (smc911x_eth_phy_read(dev, 1, MII_BMSR, &status) != 0)
 			goto err_out;
-	} while (!(status & PHY_BMSR_LS));
+	} while (!(status & BMSR_LSTATUS));
 
 	printf(DRIVERNAME ": phy initialized\n");
 
@@ -148,14 +130,14 @@ static int smc911x_init(struct eth_device *dev, bd_t * bd)
 {
 	struct chip_id *id = dev->priv;
 
-        printf(DRIVERNAME ": detected %s controller\n", id->name);
+	printf(DRIVERNAME ": detected %s controller\n", id->name);
 
 	smc911x_reset(dev);
 
 	/* Configure the PHY, initialize the link state */
 	smc911x_phy_configure(dev);
 
-	smx911x_handle_mac_address(dev);
+	smc911x_handle_mac_address(dev);
 
 	/* Turn on Tx + Rx */
 	smc911x_enable(dev);
@@ -163,8 +145,7 @@ static int smc911x_init(struct eth_device *dev, bd_t * bd)
 	return 0;
 }
 
-static int smc911x_send(struct eth_device *dev,
-			volatile void *packet, int length)
+static int smc911x_send(struct eth_device *dev, void *packet, int length)
 {
 	u32 *data = (u32*)packet;
 	u32 tmplen;
@@ -206,11 +187,12 @@ static int smc911x_send(struct eth_device *dev,
 static void smc911x_halt(struct eth_device *dev)
 {
 	smc911x_reset(dev);
+	smc911x_handle_mac_address(dev);
 }
 
 static int smc911x_rx(struct eth_device *dev)
 {
-	u32 *data = (u32 *)NetRxPackets[0];
+	u32 *data = (u32 *)net_rx_packets[0];
 	u32 pktlen, tmplen;
 	u32 status;
 
@@ -220,7 +202,7 @@ static int smc911x_rx(struct eth_device *dev)
 
 		smc911x_reg_write(dev, RX_CFG, 0);
 
-		tmplen = (pktlen + 2+ 3) / 4;
+		tmplen = (pktlen + 3) / 4;
 		while (tmplen--)
 			*data++ = pkt_data_pull(dev, RX_DATA_FIFO);
 
@@ -229,12 +211,38 @@ static int smc911x_rx(struct eth_device *dev)
 				": dropped bad packet. Status: 0x%08x\n",
 				status);
 		else
-			NetReceive(NetRxPackets[0], pktlen);
+			net_process_received_packet(net_rx_packets[0], pktlen);
 	}
 
 	return 0;
 }
 
+#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
+/* wrapper for smc911x_eth_phy_read */
+static int smc911x_miiphy_read(struct mii_dev *bus, int phy, int devad,
+			       int reg)
+{
+	u16 val = 0;
+	struct eth_device *dev = eth_get_dev_by_name(bus->name);
+	if (dev) {
+		int retval = smc911x_eth_phy_read(dev, phy, reg, &val);
+		if (retval < 0)
+			return retval;
+		return val;
+	}
+	return -ENODEV;
+}
+/* wrapper for smc911x_eth_phy_write */
+static int smc911x_miiphy_write(struct mii_dev *bus, int phy, int devad,
+				int reg, u16 val)
+{
+	struct eth_device *dev = eth_get_dev_by_name(bus->name);
+	if (dev)
+		return smc911x_eth_phy_write(dev, phy, reg, val);
+	return -ENODEV;
+}
+#endif
+
 int smc911x_initialize(u8 dev_num, int base_addr)
 {
 	unsigned long addrl, addrh;
@@ -242,21 +250,29 @@ int smc911x_initialize(u8 dev_num, int base_addr)
 
 	dev = malloc(sizeof(*dev));
 	if (!dev) {
-		free(dev);
-		return 0;
+		return -1;
 	}
 	memset(dev, 0, sizeof(*dev));
 
 	dev->iobase = base_addr;
 
+	/* Try to detect chip. Will fail if not present. */
+	if (smc911x_detect_chip(dev)) {
+		free(dev);
+		return 0;
+	}
+
 	addrh = smc911x_get_mac_csr(dev, ADDRH);
 	addrl = smc911x_get_mac_csr(dev, ADDRL);
-	dev->enetaddr[0] = addrl;
-	dev->enetaddr[1] = addrl >>  8;
-	dev->enetaddr[2] = addrl >> 16;
-	dev->enetaddr[3] = addrl >> 24;
-	dev->enetaddr[4] = addrh;
-	dev->enetaddr[5] = addrh >> 8;
+	if (!(addrl == 0xffffffff && addrh == 0x0000ffff)) {
+		/* address is obtained from optional eeprom */
+		dev->enetaddr[0] = addrl;
+		dev->enetaddr[1] = addrl >>  8;
+		dev->enetaddr[2] = addrl >> 16;
+		dev->enetaddr[3] = addrl >> 24;
+		dev->enetaddr[4] = addrh;
+		dev->enetaddr[5] = addrh >> 8;
+	}
 
 	dev->init = smc911x_init;
 	dev->halt = smc911x_halt;
@@ -264,12 +280,21 @@ int smc911x_initialize(u8 dev_num, int base_addr)
 	dev->recv = smc911x_rx;
 	sprintf(dev->name, "%s-%hu", DRIVERNAME, dev_num);
 
-	/* Try to detect chip. Will fail if not present. */
-	if (smc911x_detect_chip(dev)) {
-		free(dev);
-		return 0;
-	}
-
 	eth_register(dev);
-	return 0;
+
+#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
+	int retval;
+	struct mii_dev *mdiodev = mdio_alloc();
+	if (!mdiodev)
+		return -ENOMEM;
+	strncpy(mdiodev->name, dev->name, MDIO_NAME_LEN);
+	mdiodev->read = smc911x_miiphy_read;
+	mdiodev->write = smc911x_miiphy_write;
+
+	retval = mdio_register(mdiodev);
+	if (retval < 0)
+		return retval;
+#endif
+
+	return 1;
 }