+// SPDX-License-Identifier: GPL-2.0+
/*
* SMSC LAN9[12]1[567] Network driver
*
* (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
*/
#include <common.h>
#include "smc911x.h"
-u32 pkt_data_pull(struct eth_device *dev, u32 addr) \
- __attribute__ ((weak, alias ("smc911x_reg_read")));
-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 smc911x_handle_mac_address(struct eth_device *dev)
{
unsigned long addrh, addrl;
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)
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)
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 {
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");
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;
tmplen = (length + 3) / 4;
while (tmplen--)
- pkt_data_push(dev, TX_DATA_FIFO, *data++);
+ smc911x_reg_write(dev, TX_DATA_FIFO, *data++);
/* wait for transmission */
while (!((smc911x_reg_read(dev, TX_FIFO_INF) &
static void smc911x_halt(struct eth_device *dev)
{
smc911x_reset(dev);
+ smc911x_handle_mac_address(dev);
}
-static int smc911x_rx(struct eth_device *dev)
+static int smc911x_recv(struct eth_device *dev)
{
- u32 *data = (u32 *)NetRxPackets[0];
+ u32 *data = (u32 *)net_rx_packets[0];
u32 pktlen, tmplen;
u32 status;
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);
+ *data++ = smc911x_reg_read(dev, RX_DATA_FIFO);
if (status & RX_STS_ES)
printf(DRIVERNAME
": 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)
+{
+ struct eth_device *dev = eth_get_dev_by_name(bus->name);
+ u16 val = 0;
+ int ret;
+
+ if (!dev)
+ return -ENODEV;
+
+ ret = smc911x_eth_phy_read(dev, phy, reg, &val);
+ if (ret < 0)
+ return ret;
+
+ return val;
+}
+/* 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 -ENODEV;
+
+ return smc911x_eth_phy_write(dev, phy, reg, val);
+}
+#endif
+
int smc911x_initialize(u8 dev_num, int base_addr)
{
unsigned long addrl, addrh;
struct eth_device *dev;
- dev = malloc(sizeof(*dev));
- if (!dev) {
- free(dev);
- return -1;
- }
- memset(dev, 0, sizeof(*dev));
+ dev = calloc(1, sizeof(*dev));
+ if (!dev)
+ return -ENOMEM;
dev->iobase = base_addr;
dev->init = smc911x_init;
dev->halt = smc911x_halt;
dev->send = smc911x_send;
- dev->recv = smc911x_rx;
+ dev->recv = smc911x_recv;
sprintf(dev->name, "%s-%hu", DRIVERNAME, dev_num);
eth_register(dev);
+
+#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;
}