int ks2_eth_remove(struct udevice *dev)
{
struct ks2_eth_priv *priv = dev_get_priv(dev);
free(priv->phydev);
mdio_unregister(priv->mdio_bus);
mdio_free(priv->mdio_bus);
return 0;
}
static int emaclite_remove(struct udevice *dev)
{
struct xemaclite *emaclite = dev_get_priv(dev);
free(emaclite->phydev);
mdio_unregister(emaclite->bus);
mdio_free(emaclite->bus);
return 0;
}
int pch_gbe_remove(struct udevice *dev)
{
struct pch_gbe_priv *priv = dev_get_priv(dev);
free(priv->phydev);
mdio_unregister(priv->bus);
mdio_free(priv->bus);
return 0;
}
static int zynq_gem_remove(struct udevice *dev)
{
struct zynq_gem_priv *priv = dev_get_priv(dev);
free(priv->phydev);
mdio_unregister(priv->bus);
mdio_free(priv->bus);
return 0;
}
static int axi_emac_remove(struct udevice *dev)
{
struct axidma_priv *priv = dev_get_priv(dev);
free(priv->phydev);
mdio_unregister(priv->bus);
mdio_free(priv->bus);
return 0;
}
static int ftgmac100_remove(struct udevice *dev)
{
struct ftgmac100_data *priv = dev_get_priv(dev);
free(priv->phydev);
mdio_unregister(priv->bus);
mdio_free(priv->bus);
clk_release_bulk(&priv->clks);
return 0;
}
static int fecmxc_remove(struct udevice *dev)
{
struct fec_priv *priv = dev_get_priv(dev);
free(priv->phydev);
fec_free_descs(priv);
mdio_unregister(priv->bus);
mdio_free(priv->bus);
return 0;
}
static int macb_eth_remove(struct udevice *dev)
{
struct macb_device *macb = dev_get_priv(dev);
#ifdef CONFIG_PHYLIB
free(macb->phydev);
#endif
mdio_unregister(macb->bus);
mdio_free(macb->bus);
return 0;
}
static int pic32_eth_remove(struct udevice *dev)
{
struct pic32eth_dev *priv = dev_get_priv(dev);
struct mii_dev *bus;
dm_gpio_free(dev, &priv->rst_gpio);
phy_shutdown(priv->phydev);
free(priv->phydev);
bus = miiphy_get_dev_by_name(PIC32_MDIO_NAME);
mdio_unregister(bus);
mdio_free(bus);
iounmap(priv->ectl_regs);
return 0;
}
void cpsw_mdio_free(struct mii_dev *bus)
{
struct cpsw_mdio *mdio = bus->priv;
u32 reg;
/* disable mdio */
reg = readl(&mdio->regs->control);
reg &= ~CONTROL_ENABLE;
writel(reg, &mdio->regs->control);
mdio_unregister(bus);
mdio_free(bus);
free(mdio);
}
struct mii_dev *cpsw_mdio_init(const char *name, u32 mdio_base,
u32 bus_freq, int fck_freq)
{
struct cpsw_mdio *cpsw_mdio;
int ret;
cpsw_mdio = calloc(1, sizeof(*cpsw_mdio));
if (!cpsw_mdio) {
debug("failed to alloc cpsw_mdio\n");
return NULL;
}
cpsw_mdio->bus = mdio_alloc();
if (!cpsw_mdio->bus) {
debug("failed to alloc mii bus\n");
free(cpsw_mdio);
return NULL;
}
cpsw_mdio->regs = (struct cpsw_mdio_regs *)mdio_base;
if (!bus_freq || !fck_freq)
cpsw_mdio->div = CPSW_MDIO_DIV_DEF;
else
cpsw_mdio->div = (fck_freq / bus_freq) - 1;
cpsw_mdio->div &= CONTROL_DIV_MASK;
/* set enable and clock divider */
writel(cpsw_mdio->div | CONTROL_ENABLE | CONTROL_FAULT |
CONTROL_FAULT_ENABLE, &cpsw_mdio->regs->control);
wait_for_bit_le32(&cpsw_mdio->regs->control,
CONTROL_IDLE, false, CPSW_MDIO_TIMEOUT, true);
/*
* wait for scan logic to settle:
* the scan time consists of (a) a large fixed component, and (b) a
* small component that varies with the mii bus frequency. These
* were estimated using measurements at 1.1 and 2.2 MHz on tnetv107x
* silicon. Since the effect of (b) was found to be largely
* negligible, we keep things simple here.
*/
mdelay(1);
cpsw_mdio->bus->read = cpsw_mdio_read;
cpsw_mdio->bus->write = cpsw_mdio_write;
cpsw_mdio->bus->priv = cpsw_mdio;
snprintf(cpsw_mdio->bus->name, sizeof(cpsw_mdio->bus->name), name);
ret = mdio_register(cpsw_mdio->bus);
if (ret < 0) {
debug("failed to register mii bus\n");
goto free_bus;
}
return cpsw_mdio->bus;
free_bus:
mdio_free(cpsw_mdio->bus);
free(cpsw_mdio);
return NULL;
}
