static int socfpga_dwmac_probe(struct platform_device *pdev)
{
struct plat_stmmacenet_data *plat_dat;
struct stmmac_resources stmmac_res;
struct device *dev = &pdev->dev;
int ret;
struct socfpga_dwmac *dwmac;
struct net_device *ndev;
struct stmmac_priv *stpriv;
ret = stmmac_get_platform_resources(pdev, &stmmac_res);
if (ret)
return ret;
plat_dat = stmmac_probe_config_dt(pdev, &stmmac_res.mac);
if (IS_ERR(plat_dat))
return PTR_ERR(plat_dat);
dwmac = devm_kzalloc(dev, sizeof(*dwmac), GFP_KERNEL);
if (!dwmac) {
ret = -ENOMEM;
goto err_remove_config_dt;
}
ret = socfpga_dwmac_parse_data(dwmac, dev);
if (ret) {
dev_err(dev, "Unable to parse OF data\n");
goto err_remove_config_dt;
}
plat_dat->bsp_priv = dwmac;
plat_dat->fix_mac_speed = socfpga_dwmac_fix_mac_speed;
ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
if (ret)
goto err_remove_config_dt;
ndev = platform_get_drvdata(pdev);
stpriv = netdev_priv(ndev);
/* The socfpga driver needs to control the stmmac reset to set the phy
* mode. Create a copy of the core reset handle so it can be used by
* the driver later.
*/
dwmac->stmmac_rst = stpriv->stmmac_rst;
ret = socfpga_dwmac_set_phy_mode(dwmac);
if (ret)
goto err_dvr_remove;
return 0;
err_dvr_remove:
stmmac_dvr_remove(&pdev->dev);
err_remove_config_dt:
stmmac_remove_config_dt(pdev, plat_dat);
return ret;
}
static int dwmac_generic_probe(struct platform_device *pdev)
{
struct plat_stmmacenet_data *plat_dat;
struct stmmac_resources stmmac_res;
int ret;
ret = stmmac_get_platform_resources(pdev, &stmmac_res);
if (ret)
return ret;
if (pdev->dev.of_node) {
plat_dat = stmmac_probe_config_dt(pdev, &stmmac_res.mac);
if (IS_ERR(plat_dat)) {
dev_err(&pdev->dev, "dt configuration failed\n");
return PTR_ERR(plat_dat);
}
} else {
plat_dat = dev_get_platdata(&pdev->dev);
if (!plat_dat) {
dev_err(&pdev->dev, "no platform data provided\n");
return -EINVAL;
}
/* Set default value for multicast hash bins */
plat_dat->multicast_filter_bins = HASH_TABLE_SIZE;
/* Set default value for unicast filter entries */
plat_dat->unicast_filter_entries = 1;
}
/* Custom initialisation (if needed) */
if (plat_dat->init) {
ret = plat_dat->init(pdev, plat_dat->bsp_priv);
if (ret)
goto err_remove_config_dt;
}
ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
if (ret)
goto err_exit;
return 0;
err_exit:
if (plat_dat->exit)
plat_dat->exit(pdev, plat_dat->bsp_priv);
err_remove_config_dt:
if (pdev->dev.of_node)
stmmac_remove_config_dt(pdev, plat_dat);
return ret;
}
static int rk_gmac_probe(struct platform_device *pdev)
{
struct plat_stmmacenet_data *plat_dat;
struct stmmac_resources stmmac_res;
const struct rk_gmac_ops *data;
int ret;
data = of_device_get_match_data(&pdev->dev);
if (!data) {
dev_err(&pdev->dev, "no of match data provided\n");
return -EINVAL;
}
ret = stmmac_get_platform_resources(pdev, &stmmac_res);
if (ret)
return ret;
plat_dat = stmmac_probe_config_dt(pdev, &stmmac_res.mac);
if (IS_ERR(plat_dat))
return PTR_ERR(plat_dat);
plat_dat->has_gmac = true;
plat_dat->fix_mac_speed = rk_fix_speed;
plat_dat->bsp_priv = rk_gmac_setup(pdev, plat_dat, data);
if (IS_ERR(plat_dat->bsp_priv)) {
ret = PTR_ERR(plat_dat->bsp_priv);
goto err_remove_config_dt;
}
ret = rk_gmac_clk_init(plat_dat);
if (ret)
return ret;
ret = rk_gmac_powerup(plat_dat->bsp_priv);
if (ret)
goto err_remove_config_dt;
ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
if (ret)
goto err_gmac_powerdown;
return 0;
err_gmac_powerdown:
rk_gmac_powerdown(plat_dat->bsp_priv);
err_remove_config_dt:
stmmac_remove_config_dt(pdev, plat_dat);
return ret;
}
static int stm32_dwmac_probe(struct platform_device *pdev)
{
struct plat_stmmacenet_data *plat_dat;
struct stmmac_resources stmmac_res;
struct stm32_dwmac *dwmac;
int ret;
ret = stmmac_get_platform_resources(pdev, &stmmac_res);
if (ret)
return ret;
plat_dat = stmmac_probe_config_dt(pdev, &stmmac_res.mac);
if (IS_ERR(plat_dat))
return PTR_ERR(plat_dat);
dwmac = devm_kzalloc(&pdev->dev, sizeof(*dwmac), GFP_KERNEL);
if (!dwmac) {
ret = -ENOMEM;
goto err_remove_config_dt;
}
ret = stm32_dwmac_parse_data(dwmac, &pdev->dev);
if (ret) {
dev_err(&pdev->dev, "Unable to parse OF data\n");
goto err_remove_config_dt;
}
plat_dat->bsp_priv = dwmac;
ret = stm32_dwmac_init(plat_dat);
if (ret)
goto err_remove_config_dt;
ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
if (ret)
goto err_clk_disable;
return 0;
err_clk_disable:
stm32_dwmac_clk_disable(dwmac);
err_remove_config_dt:
stmmac_remove_config_dt(pdev, plat_dat);
return ret;
}
static int ipq806x_gmac_probe(struct platform_device *pdev)
{
struct plat_stmmacenet_data *plat_dat;
struct stmmac_resources stmmac_res;
struct device *dev = &pdev->dev;
struct ipq806x_gmac *gmac;
int val;
int err;
val = stmmac_get_platform_resources(pdev, &stmmac_res);
if (val)
return val;
plat_dat = stmmac_probe_config_dt(pdev, &stmmac_res.mac);
if (IS_ERR(plat_dat))
return PTR_ERR(plat_dat);
gmac = devm_kzalloc(dev, sizeof(*gmac), GFP_KERNEL);
if (!gmac) {
err = -ENOMEM;
goto err_remove_config_dt;
}
gmac->pdev = pdev;
err = ipq806x_gmac_of_parse(gmac);
if (err) {
dev_err(dev, "device tree parsing error\n");
goto err_remove_config_dt;
}
regmap_write(gmac->qsgmii_csr, QSGMII_PCS_CAL_LCKDT_CTL,
QSGMII_PCS_CAL_LCKDT_CTL_RST);
/* Inter frame gap is set to 12 */
val = 12 << NSS_COMMON_GMAC_CTL_IFG_OFFSET |
12 << NSS_COMMON_GMAC_CTL_IFG_LIMIT_OFFSET;
/* We also initiate an AXI low power exit request */
val |= NSS_COMMON_GMAC_CTL_CSYS_REQ;
switch (gmac->phy_mode) {
case PHY_INTERFACE_MODE_RGMII:
val |= NSS_COMMON_GMAC_CTL_PHY_IFACE_SEL;
break;
case PHY_INTERFACE_MODE_SGMII:
val &= ~NSS_COMMON_GMAC_CTL_PHY_IFACE_SEL;
break;
default:
dev_err(&pdev->dev, "Unsupported PHY mode: \"%s\"\n",
phy_modes(gmac->phy_mode));
err = -EINVAL;
goto err_remove_config_dt;
}
regmap_write(gmac->nss_common, NSS_COMMON_GMAC_CTL(gmac->id), val);
/* Configure the clock src according to the mode */
regmap_read(gmac->nss_common, NSS_COMMON_CLK_SRC_CTRL, &val);
val &= ~(1 << NSS_COMMON_CLK_SRC_CTRL_OFFSET(gmac->id));
switch (gmac->phy_mode) {
case PHY_INTERFACE_MODE_RGMII:
val |= NSS_COMMON_CLK_SRC_CTRL_RGMII(gmac->id) <<
NSS_COMMON_CLK_SRC_CTRL_OFFSET(gmac->id);
break;
case PHY_INTERFACE_MODE_SGMII:
val |= NSS_COMMON_CLK_SRC_CTRL_SGMII(gmac->id) <<
NSS_COMMON_CLK_SRC_CTRL_OFFSET(gmac->id);
break;
default:
dev_err(&pdev->dev, "Unsupported PHY mode: \"%s\"\n",
phy_modes(gmac->phy_mode));
err = -EINVAL;
goto err_remove_config_dt;
}
regmap_write(gmac->nss_common, NSS_COMMON_CLK_SRC_CTRL, val);
/* Enable PTP clock */
regmap_read(gmac->nss_common, NSS_COMMON_CLK_GATE, &val);
val |= NSS_COMMON_CLK_GATE_PTP_EN(gmac->id);
regmap_write(gmac->nss_common, NSS_COMMON_CLK_GATE, val);
if (gmac->phy_mode == PHY_INTERFACE_MODE_SGMII) {
regmap_write(gmac->qsgmii_csr, QSGMII_PHY_SGMII_CTL(gmac->id),
QSGMII_PHY_CDR_EN |
QSGMII_PHY_RX_FRONT_EN |
QSGMII_PHY_RX_SIGNAL_DETECT_EN |
QSGMII_PHY_TX_DRIVER_EN |
QSGMII_PHY_QSGMII_EN |
0x4ul << QSGMII_PHY_PHASE_LOOP_GAIN_OFFSET |
0x3ul << QSGMII_PHY_RX_DC_BIAS_OFFSET |
0x1ul << QSGMII_PHY_RX_INPUT_EQU_OFFSET |
0x2ul << QSGMII_PHY_CDR_PI_SLEW_OFFSET |
0xCul << QSGMII_PHY_TX_DRV_AMP_OFFSET);
}
plat_dat->has_gmac = true;
plat_dat->bsp_priv = gmac;
plat_dat->fix_mac_speed = ipq806x_gmac_fix_mac_speed;
err = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
if (err)
goto err_remove_config_dt;
return 0;
err_remove_config_dt:
stmmac_remove_config_dt(pdev, plat_dat);
return err;
}
static int sun7i_gmac_probe(struct platform_device *pdev)
{
struct plat_stmmacenet_data *plat_dat;
struct stmmac_resources stmmac_res;
struct sunxi_priv_data *gmac;
struct device *dev = &pdev->dev;
int ret;
ret = stmmac_get_platform_resources(pdev, &stmmac_res);
if (ret)
return ret;
plat_dat = stmmac_probe_config_dt(pdev, &stmmac_res.mac);
if (IS_ERR(plat_dat))
return PTR_ERR(plat_dat);
gmac = devm_kzalloc(dev, sizeof(*gmac), GFP_KERNEL);
if (!gmac) {
ret = -ENOMEM;
goto err_remove_config_dt;
}
gmac->interface = of_get_phy_mode(dev->of_node);
gmac->tx_clk = devm_clk_get(dev, "allwinner_gmac_tx");
if (IS_ERR(gmac->tx_clk)) {
dev_err(dev, "could not get tx clock\n");
ret = PTR_ERR(gmac->tx_clk);
goto err_remove_config_dt;
}
/* Optional regulator for PHY */
gmac->regulator = devm_regulator_get_optional(dev, "phy");
if (IS_ERR(gmac->regulator)) {
if (PTR_ERR(gmac->regulator) == -EPROBE_DEFER) {
ret = -EPROBE_DEFER;
goto err_remove_config_dt;
}
dev_info(dev, "no regulator found\n");
gmac->regulator = NULL;
}
/* platform data specifying hardware features and callbacks.
* hardware features were copied from Allwinner drivers. */
plat_dat->tx_coe = 1;
plat_dat->has_gmac = true;
plat_dat->bsp_priv = gmac;
plat_dat->init = sun7i_gmac_init;
plat_dat->exit = sun7i_gmac_exit;
plat_dat->fix_mac_speed = sun7i_fix_speed;
ret = sun7i_gmac_init(pdev, plat_dat->bsp_priv);
if (ret)
goto err_remove_config_dt;
ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
if (ret)
goto err_gmac_exit;
return 0;
err_gmac_exit:
sun7i_gmac_exit(pdev, plat_dat->bsp_priv);
err_remove_config_dt:
stmmac_remove_config_dt(pdev, plat_dat);
return ret;
}
static int meson8b_dwmac_probe(struct platform_device *pdev)
{
struct plat_stmmacenet_data *plat_dat;
struct stmmac_resources stmmac_res;
struct resource *res;
struct meson8b_dwmac *dwmac;
int ret;
ret = stmmac_get_platform_resources(pdev, &stmmac_res);
if (ret)
return ret;
plat_dat = stmmac_probe_config_dt(pdev, &stmmac_res.mac);
if (IS_ERR(plat_dat))
return PTR_ERR(plat_dat);
dwmac = devm_kzalloc(&pdev->dev, sizeof(*dwmac), GFP_KERNEL);
if (!dwmac) {
ret = -ENOMEM;
goto err_remove_config_dt;
}
res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
dwmac->regs = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(dwmac->regs)) {
ret = PTR_ERR(dwmac->regs);
goto err_remove_config_dt;
}
dwmac->pdev = pdev;
dwmac->phy_mode = of_get_phy_mode(pdev->dev.of_node);
if (dwmac->phy_mode < 0) {
dev_err(&pdev->dev, "missing phy-mode property\n");
ret = -EINVAL;
goto err_remove_config_dt;
}
/* use 2ns as fallback since this value was previously hardcoded */
if (of_property_read_u32(pdev->dev.of_node, "amlogic,tx-delay-ns",
&dwmac->tx_delay_ns))
dwmac->tx_delay_ns = 2;
ret = meson8b_init_rgmii_tx_clk(dwmac);
if (ret)
goto err_remove_config_dt;
ret = meson8b_init_prg_eth(dwmac);
if (ret)
goto err_remove_config_dt;
plat_dat->bsp_priv = dwmac;
ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
if (ret)
goto err_clk_disable;
return 0;
err_clk_disable:
if (phy_interface_mode_is_rgmii(dwmac->phy_mode))
clk_disable_unprepare(dwmac->rgmii_tx_en_clk);
err_remove_config_dt:
stmmac_remove_config_dt(pdev, plat_dat);
return ret;
}
