* (C) Copyright 2001
* Gerald Van Baren, Custom IDEAS, vanbaren@cideas.com.
*
- * 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>
+#include <dm.h>
#include <miiphy.h>
+#include <phy.h>
#include <asm/types.h>
#include <linux/list.h>
#define debug(fmt, args...)
#endif /* MII_DEBUG */
-struct mii_dev {
- struct list_head link;
- const char *name;
- int (*read)(const char *devname, unsigned char addr,
- unsigned char reg, unsigned short *value);
- int (*write)(const char *devname, unsigned char addr,
- unsigned char reg, unsigned short value);
-};
-
static struct list_head mii_devs;
static struct mii_dev *current_mii;
/*
* Lookup the mii_dev struct by the registered device name.
*/
-static struct mii_dev *miiphy_get_dev_by_name(const char *devname, int quiet)
+struct mii_dev *miiphy_get_dev_by_name(const char *devname)
{
struct list_head *entry;
struct mii_dev *dev;
return dev;
}
- if (!quiet)
- printf("No such device: %s\n", devname);
return NULL;
}
current_mii = NULL;
}
-/*****************************************************************************
- *
- * Register read and write MII access routines for the device <name>.
- */
-void miiphy_register(const char *name,
- int (*read)(const char *devname, unsigned char addr,
- unsigned char reg, unsigned short *value),
- int (*write)(const char *devname, unsigned char addr,
- unsigned char reg, unsigned short value))
+struct mii_dev *mdio_alloc(void)
{
- struct mii_dev *new_dev;
- unsigned int name_len;
- char *new_name;
-
- /* check if we have unique name */
- new_dev = miiphy_get_dev_by_name(name, 1);
- if (new_dev) {
- printf("miiphy_register: non unique device name '%s'\n", name);
- return;
- }
+ struct mii_dev *bus;
- /* allocate memory */
- name_len = strlen(name);
- new_dev =
- (struct mii_dev *)malloc(sizeof(struct mii_dev) + name_len + 1);
+ bus = malloc(sizeof(*bus));
+ if (!bus)
+ return bus;
- if (new_dev == NULL) {
- printf("miiphy_register: cannot allocate memory for '%s'\n",
- name);
- return;
- }
- memset(new_dev, 0, sizeof(struct mii_dev) + name_len);
+ memset(bus, 0, sizeof(*bus));
/* initalize mii_dev struct fields */
- INIT_LIST_HEAD(&new_dev->link);
- new_dev->read = read;
- new_dev->write = write;
- new_dev->name = new_name = (char *)(new_dev + 1);
- strncpy(new_name, name, name_len);
- new_name[name_len] = '\0';
+ INIT_LIST_HEAD(&bus->link);
+
+ return bus;
+}
+
+void mdio_free(struct mii_dev *bus)
+{
+ free(bus);
+}
- debug("miiphy_register: added '%s', read=0x%08lx, write=0x%08lx\n",
- new_dev->name, new_dev->read, new_dev->write);
+int mdio_register(struct mii_dev *bus)
+{
+ if (!bus || !bus->read || !bus->write)
+ return -1;
+
+ /* check if we have unique name */
+ if (miiphy_get_dev_by_name(bus->name)) {
+ printf("mdio_register: non unique device name '%s'\n",
+ bus->name);
+ return -1;
+ }
/* add it to the list */
- list_add_tail(&new_dev->link, &mii_devs);
+ list_add_tail(&bus->link, &mii_devs);
if (!current_mii)
- current_mii = new_dev;
+ current_mii = bus;
+
+ return 0;
+}
+
+int mdio_unregister(struct mii_dev *bus)
+{
+ if (!bus)
+ return 0;
+
+ /* delete it from the list */
+ list_del(&bus->link);
+
+ if (current_mii == bus)
+ current_mii = NULL;
+
+ return 0;
+}
+
+void mdio_list_devices(void)
+{
+ struct list_head *entry;
+
+ list_for_each(entry, &mii_devs) {
+ int i;
+ struct mii_dev *bus = list_entry(entry, struct mii_dev, link);
+
+ printf("%s:\n", bus->name);
+
+ for (i = 0; i < PHY_MAX_ADDR; i++) {
+ struct phy_device *phydev = bus->phymap[i];
+
+ if (phydev) {
+ printf("%d - %s", i, phydev->drv->name);
+
+ if (phydev->dev)
+ printf(" <--> %s\n", phydev->dev->name);
+ else
+ printf("\n");
+ }
+ }
+ }
}
int miiphy_set_current_dev(const char *devname)
{
struct mii_dev *dev;
- dev = miiphy_get_dev_by_name(devname, 0);
+ dev = miiphy_get_dev_by_name(devname);
if (dev) {
current_mii = dev;
return 0;
}
+ printf("No such device: %s\n", devname);
+
return 1;
}
+struct mii_dev *mdio_get_current_dev(void)
+{
+ return current_mii;
+}
+
+struct phy_device *mdio_phydev_for_ethname(const char *ethname)
+{
+ struct list_head *entry;
+ struct mii_dev *bus;
+
+ list_for_each(entry, &mii_devs) {
+ int i;
+ bus = list_entry(entry, struct mii_dev, link);
+
+ for (i = 0; i < PHY_MAX_ADDR; i++) {
+ if (!bus->phymap[i] || !bus->phymap[i]->dev)
+ continue;
+
+ if (strcmp(bus->phymap[i]->dev->name, ethname) == 0)
+ return bus->phymap[i];
+ }
+ }
+
+ printf("%s is not a known ethernet\n", ethname);
+ return NULL;
+}
+
const char *miiphy_get_current_dev(void)
{
if (current_mii)
* Read to variable <value> from the PHY attached to device <devname>,
* use PHY address <addr> and register <reg>.
*
+ * This API is deprecated. Use phy_read on a phy_device found via phy_connect
+ *
* Returns:
* 0 on success
*/
int miiphy_read(const char *devname, unsigned char addr, unsigned char reg,
unsigned short *value)
{
- struct mii_dev *dev;
+ struct mii_dev *bus;
+ int ret;
- dev = miiphy_get_active_dev(devname);
- if (dev)
- return dev->read(devname, addr, reg, value);
+ bus = miiphy_get_active_dev(devname);
+ if (!bus)
+ return 1;
- return 1;
+ ret = bus->read(bus, addr, MDIO_DEVAD_NONE, reg);
+ if (ret < 0)
+ return 1;
+
+ *value = (unsigned short)ret;
+ return 0;
}
/*****************************************************************************
* Write <value> to the PHY attached to device <devname>,
* use PHY address <addr> and register <reg>.
*
+ * This API is deprecated. Use phy_write on a phy_device found by phy_connect
+ *
* Returns:
* 0 on success
*/
int miiphy_write(const char *devname, unsigned char addr, unsigned char reg,
unsigned short value)
{
- struct mii_dev *dev;
+ struct mii_dev *bus;
- dev = miiphy_get_active_dev(devname);
- if (dev)
- return dev->write(devname, addr, reg, value);
+ bus = miiphy_get_active_dev(devname);
+ if (bus)
+ return bus->write(bus, addr, MDIO_DEVAD_NONE, reg, value);
return 1;
}
* Model: 6 bits (unsigned char)
* Revision: 4 bits (unsigned char)
*
+ * This API is deprecated.
+ *
* Returns:
* 0 on success
*/
return 0;
}
+#ifndef CONFIG_PHYLIB
/*****************************************************************************
*
* Reset the PHY.
+ *
+ * This API is deprecated. Use PHYLIB.
+ *
* Returns:
* 0 on success
*/
}
return 0;
}
+#endif /* !PHYLIB */
/*****************************************************************************
*
*/
int miiphy_speed(const char *devname, unsigned char addr)
{
- u16 bmcr, anlpar;
+ u16 bmcr, anlpar, adv;
#if defined(CONFIG_PHY_GIGE)
u16 btsr;
if (btsr != 0xFFFF &&
(btsr & (PHY_1000BTSR_1000FD | PHY_1000BTSR_1000HD)))
return _1000BASET;
-
#endif /* CONFIG_PHY_GIGE */
/* Check Basic Management Control Register first. */
printf("PHY AN speed");
goto miiphy_read_failed;
}
- return (anlpar & LPA_100) ? _100BASET : _10BASET;
+
+ if (miiphy_read(devname, addr, MII_ADVERTISE, &adv)) {
+ puts("PHY AN adv speed");
+ goto miiphy_read_failed;
+ }
+ return ((anlpar & adv) & LPA_100) ? _100BASET : _10BASET;
}
/* Get speed from basic control settings. */
return (bmcr & BMCR_SPEED100) ? _100BASET : _10BASET;
*/
int miiphy_duplex(const char *devname, unsigned char addr)
{
- u16 bmcr, anlpar;
+ u16 bmcr, anlpar, adv;
#if defined(CONFIG_PHY_GIGE)
u16 btsr;
puts("PHY AN duplex");
goto miiphy_read_failed;
}
- return (anlpar & (LPA_10FULL | LPA_100FULL)) ?
+
+ if (miiphy_read(devname, addr, MII_ADVERTISE, &adv)) {
+ puts("PHY AN adv duplex");
+ goto miiphy_read_failed;
+ }
+ return ((anlpar & adv) & (LPA_10FULL | LPA_100FULL)) ?
FULL : HALF;
}
/* Get speed from basic control settings. */