#include <common.h>
#include <dm.h>
+#include <log.h>
+#include <malloc.h>
#include <miiphy.h>
#include <dm/device-internal.h>
+#include <dm/device_compat.h>
+#include <dm/of_extra.h>
#include <dm/uclass-internal.h>
+#include <linux/compat.h>
void dm_mdio_probe_devices(void)
{
const char *dt_name;
/* set a custom name for the MDIO device, if present in DT */
- if (ofnode_valid(dev->node)) {
- dt_name = ofnode_read_string(dev->node, "device-name");
+ if (dev_has_ofnode(dev)) {
+ dt_name = dev_read_string(dev, "device-name");
if (dt_name) {
debug("renaming dev %s to %s\n", dev->name, dt_name);
device_set_name(dev, dt_name);
return 0;
}
+int dm_mdio_read(struct udevice *mdio_dev, int addr, int devad, int reg)
+{
+ struct mdio_ops *ops = mdio_get_ops(mdio_dev);
+
+ if (!ops->read)
+ return -ENOSYS;
+
+ return ops->read(mdio_dev, addr, devad, reg);
+}
+
+int dm_mdio_write(struct udevice *mdio_dev, int addr, int devad, int reg,
+ u16 val)
+{
+ struct mdio_ops *ops = mdio_get_ops(mdio_dev);
+
+ if (!ops->write)
+ return -ENOSYS;
+
+ return ops->write(mdio_dev, addr, devad, reg, val);
+}
+
+int dm_mdio_reset(struct udevice *mdio_dev)
+{
+ struct mdio_ops *ops = mdio_get_ops(mdio_dev);
+
+ if (!ops->reset)
+ return 0;
+
+ return ops->reset(mdio_dev);
+}
+
/*
* Following read/write/reset functions are registered with legacy MII code.
* These are called for PHY operations by upper layers and we further call the
*/
static int mdio_read(struct mii_dev *mii_bus, int addr, int devad, int reg)
{
- struct udevice *dev = mii_bus->priv;
-
- return mdio_get_ops(dev)->read(dev, addr, devad, reg);
+ return dm_mdio_read(mii_bus->priv, addr, devad, reg);
}
static int mdio_write(struct mii_dev *mii_bus, int addr, int devad, int reg,
u16 val)
{
- struct udevice *dev = mii_bus->priv;
-
- return mdio_get_ops(dev)->write(dev, addr, devad, reg, val);
+ return dm_mdio_write(mii_bus->priv, addr, devad, reg, val);
}
static int mdio_reset(struct mii_dev *mii_bus)
{
- struct udevice *dev = mii_bus->priv;
-
- if (mdio_get_ops(dev)->reset)
- return mdio_get_ops(dev)->reset(dev);
- else
- return 0;
+ return dm_mdio_reset(mii_bus->priv);
}
static int dm_mdio_post_probe(struct udevice *dev)
pdata->mii_bus->write = mdio_write;
pdata->mii_bus->reset = mdio_reset;
pdata->mii_bus->priv = dev;
- strncpy(pdata->mii_bus->name, dev->name, MDIO_NAME_LEN - 1);
+ strlcpy(pdata->mii_bus->name, dev->name, MDIO_NAME_LEN);
return mdio_register(pdata->mii_bus);
}
static int dm_mdio_pre_remove(struct udevice *dev)
{
struct mdio_perdev_priv *pdata = dev_get_uclass_priv(dev);
- struct mdio_ops *ops = mdio_get_ops(dev);
- if (ops->reset)
- ops->reset(dev);
+ dm_mdio_reset(dev);
mdio_unregister(pdata->mii_bus);
mdio_free(pdata->mii_bus);
return 0;
}
-struct phy_device *dm_mdio_phy_connect(struct udevice *dev, int addr,
+struct phy_device *dm_phy_find_by_ofnode(ofnode phynode)
+{
+ struct mdio_perdev_priv *pdata;
+ struct udevice *mdiodev;
+ u32 phy_addr;
+
+ if (ofnode_read_u32(phynode, "reg", &phy_addr))
+ return NULL;
+
+ if (uclass_get_device_by_ofnode(UCLASS_MDIO,
+ ofnode_get_parent(phynode),
+ &mdiodev))
+ return NULL;
+
+ if (device_probe(mdiodev))
+ return NULL;
+
+ pdata = dev_get_uclass_priv(mdiodev);
+
+ return phy_find_by_mask(pdata->mii_bus, BIT(phy_addr));
+}
+
+struct phy_device *dm_mdio_phy_connect(struct udevice *mdiodev, int phyaddr,
struct udevice *ethdev,
phy_interface_t interface)
{
- struct mdio_perdev_priv *pdata = dev_get_uclass_priv(dev);
+ struct mdio_perdev_priv *pdata = dev_get_uclass_priv(mdiodev);
- if (device_probe(dev))
- return 0;
+ if (device_probe(mdiodev))
+ return NULL;
+
+ return phy_connect(pdata->mii_bus, phyaddr, ethdev, interface);
+}
+
+static struct phy_device *dm_eth_connect_phy_handle(struct udevice *ethdev,
+ phy_interface_t interface)
+{
+ u32 phy_addr;
+ struct udevice *mdiodev;
+ struct phy_device *phy;
+ ofnode phynode;
+
+ if (CONFIG_IS_ENABLED(PHY_FIXED) &&
+ ofnode_phy_is_fixed_link(dev_ofnode(ethdev), &phynode)) {
+ phy = phy_connect(NULL, 0, ethdev, interface);
+ goto out;
+ }
+
+ phynode = dev_get_phy_node(ethdev);
+ if (!ofnode_valid(phynode)) {
+ dev_dbg(ethdev, "can't find PHY node\n");
+ return NULL;
+ }
+
+ /*
+ * reading 'reg' directly should be fine. This is a PHY node, the
+ * address is always size 1 and requires no translation
+ */
+ if (ofnode_read_u32(phynode, "reg", &phy_addr)) {
+ dev_dbg(ethdev, "missing reg property in phy node\n");
+ return NULL;
+ }
+
+ if (uclass_get_device_by_ofnode(UCLASS_MDIO,
+ ofnode_get_parent(phynode),
+ &mdiodev)) {
+ dev_dbg(ethdev, "can't find MDIO bus for node %s\n",
+ ofnode_get_name(ofnode_get_parent(phynode)));
+ return NULL;
+ }
+
+ phy = dm_mdio_phy_connect(mdiodev, phy_addr, ethdev, interface);
+
+out:
+ if (phy)
+ phy->node = phynode;
+
+ return phy;
+}
+
+/* Connect to a PHY linked in eth DT node */
+struct phy_device *dm_eth_phy_connect(struct udevice *ethdev)
+{
+ phy_interface_t interface;
+ struct phy_device *phy;
+
+ if (!dev_has_ofnode(ethdev)) {
+ debug("%s: supplied eth dev has no DT node!\n", ethdev->name);
+ return NULL;
+ }
+
+ interface = dev_read_phy_mode(ethdev);
+ if (interface == PHY_INTERFACE_MODE_NA)
+ dev_dbg(ethdev, "can't find interface mode, default to NA\n");
+
+ phy = dm_eth_connect_phy_handle(ethdev, interface);
+
+ if (!phy)
+ return NULL;
+
+ phy->interface = interface;
- return phy_connect(pdata->mii_bus, addr, ethdev, interface);
+ return phy;
}
UCLASS_DRIVER(mdio) = {
.post_bind = dm_mdio_post_bind,
.post_probe = dm_mdio_post_probe,
.pre_remove = dm_mdio_pre_remove,
- .per_device_auto_alloc_size = sizeof(struct mdio_perdev_priv),
+ .per_device_auto = sizeof(struct mdio_perdev_priv),
};
projects / platform / kernel / u-boot.git / blobdiff