static int meson6_dwmac_probe(struct platform_device *pdev)
{
struct plat_stmmacenet_data *plat_dat;
struct stmmac_resources stmmac_res;
struct meson_dwmac *dwmac;
struct resource *res;
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)
return -ENOMEM;
res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
dwmac->reg = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(dwmac->reg))
return PTR_ERR(dwmac->reg);
plat_dat->bsp_priv = dwmac;
plat_dat->fix_mac_speed = meson6_dwmac_fix_mac_speed;
return stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
}
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;
}
/**
* stmmac_pci_probe
*
* @pdev: pci device pointer
* @id: pointer to table of device id/id's.
*
* Description: This probing function gets called for all PCI devices which
* match the ID table and are not "owned" by other driver yet. This function
* gets passed a "struct pci_dev *" for each device whose entry in the ID table
* matches the device. The probe functions returns zero when the driver choose
* to take "ownership" of the device or an error code(-ve no) otherwise.
*/
static int stmmac_pci_probe(struct pci_dev *pdev,
const struct pci_device_id *id)
{
struct stmmac_pci_info *info = (struct stmmac_pci_info *)id->driver_data;
struct plat_stmmacenet_data *plat;
struct stmmac_resources res;
int i;
int ret;
plat = devm_kzalloc(&pdev->dev, sizeof(*plat), GFP_KERNEL);
if (!plat)
return -ENOMEM;
plat->mdio_bus_data = devm_kzalloc(&pdev->dev,
sizeof(*plat->mdio_bus_data),
GFP_KERNEL);
if (!plat->mdio_bus_data)
return -ENOMEM;
plat->dma_cfg = devm_kzalloc(&pdev->dev, sizeof(*plat->dma_cfg),
GFP_KERNEL);
if (!plat->dma_cfg)
return -ENOMEM;
/* Enable pci device */
ret = pci_enable_device(pdev);
if (ret) {
dev_err(&pdev->dev, "%s: ERROR: failed to enable device\n",
__func__);
return ret;
}
/* Get the base address of device */
for (i = 0; i <= PCI_STD_RESOURCE_END; i++) {
if (pci_resource_len(pdev, i) == 0)
continue;
ret = pcim_iomap_regions(pdev, BIT(i), pci_name(pdev));
if (ret)
return ret;
break;
}
pci_set_master(pdev);
ret = info->setup(pdev, plat);
if (ret)
return ret;
pci_enable_msi(pdev);
memset(&res, 0, sizeof(res));
res.addr = pcim_iomap_table(pdev)[i];
res.wol_irq = pdev->irq;
res.irq = pdev->irq;
return stmmac_dvr_probe(&pdev->dev, plat, &res);
}
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 oxnas_dwmac_probe(struct platform_device *pdev)
{
struct plat_stmmacenet_data *plat_dat;
struct stmmac_resources stmmac_res;
struct device_node *sysctrl;
struct oxnas_dwmac *dwmac;
int ret;
sysctrl = of_parse_phandle(pdev->dev.of_node, "oxsemi,sys-ctrl", 0);
if (!sysctrl) {
dev_err(&pdev->dev, "failed to get sys-ctrl node\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);
dwmac = devm_kzalloc(&pdev->dev, sizeof(*dwmac), GFP_KERNEL);
if (!dwmac)
return -ENOMEM;
dwmac->dev = &pdev->dev;
plat_dat->bsp_priv = dwmac;
dwmac->regmap = syscon_node_to_regmap(sysctrl);
if (IS_ERR(dwmac->regmap)) {
dev_err(&pdev->dev, "failed to have sysctrl regmap\n");
return PTR_ERR(dwmac->regmap);
}
dwmac->clk = devm_clk_get(&pdev->dev, "gmac");
if (IS_ERR(dwmac->clk))
return PTR_ERR(dwmac->clk);
ret = oxnas_dwmac_init(dwmac);
if (ret)
return ret;
ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
if (ret)
clk_disable_unprepare(dwmac->clk);
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 lpc18xx_dwmac_probe(struct platform_device *pdev)
{
struct plat_stmmacenet_data *plat_dat;
struct stmmac_resources stmmac_res;
struct regmap *reg;
u8 ethmode;
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);
plat_dat->has_gmac = true;
reg = syscon_regmap_lookup_by_compatible("nxp,lpc1850-creg");
if (IS_ERR(reg)) {
dev_err(&pdev->dev, "syscon lookup failed\n");
return PTR_ERR(reg);
}
if (plat_dat->interface == PHY_INTERFACE_MODE_MII) {
ethmode = LPC18XX_CREG_CREG6_ETHMODE_MII;
} else if (plat_dat->interface == PHY_INTERFACE_MODE_RMII) {
ethmode = LPC18XX_CREG_CREG6_ETHMODE_RMII;
} else {
dev_err(&pdev->dev, "Only MII and RMII mode supported\n");
return -EINVAL;
}
regmap_update_bits(reg, LPC18XX_CREG_CREG6,
LPC18XX_CREG_CREG6_ETHMODE_MASK, ethmode);
return stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
}
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->init = rk_gmac_init;
plat_dat->exit = rk_gmac_exit;
plat_dat->fix_mac_speed = rk_fix_speed;
plat_dat->suspend = rk_gmac_suspend;
plat_dat->resume = rk_gmac_resume;
plat_dat->bsp_priv = rk_gmac_setup(pdev, data);
if (IS_ERR(plat_dat->bsp_priv))
return PTR_ERR(plat_dat->bsp_priv);
ret = rk_gmac_init(pdev, plat_dat->bsp_priv);
if (ret)
return ret;
return stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
}
/**
* stmmac_pltfr_probe
* @pdev: platform device pointer
* Description: platform_device probe function. It allocates
* the necessary resources and invokes the main to init
* the net device, register the mdio bus etc.
*/
static int stmmac_pltfr_probe(struct platform_device *pdev)
{
int ret = 0;
struct resource *res;
void __iomem *addr = NULL;
struct stmmac_priv *priv = NULL;
struct plat_stmmacenet_data *plat_dat = NULL;
const char *mac = NULL;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res)
return -ENODEV;
if (!request_mem_region(res->start, resource_size(res), pdev->name)) {
pr_err("%s: ERROR: memory allocation failed"
"cannot get the I/O addr 0x%x\n",
__func__, (unsigned int)res->start);
return -EBUSY;
}
addr = ioremap(res->start, resource_size(res));
if (!addr) {
pr_err("%s: ERROR: memory mapping failed", __func__);
ret = -ENOMEM;
goto out_release_region;
}
if (pdev->dev.of_node) {
plat_dat = devm_kzalloc(&pdev->dev,
sizeof(struct plat_stmmacenet_data),
GFP_KERNEL);
if (!plat_dat) {
pr_err("%s: ERROR: no memory", __func__);
ret = -ENOMEM;
goto out_unmap;
}
ret = stmmac_probe_config_dt(pdev, plat_dat, &mac);
if (ret) {
pr_err("%s: main dt probe failed", __func__);
goto out_unmap;
}
} else {
plat_dat = pdev->dev.platform_data;
}
/* Custom initialisation (if needed)*/
if (plat_dat->init) {
ret = plat_dat->init(pdev);
if (unlikely(ret))
goto out_unmap;
}
priv = stmmac_dvr_probe(&(pdev->dev), plat_dat, addr);
if (!priv) {
pr_err("%s: main driver probe failed", __func__);
goto out_unmap;
}
/* Get MAC address if available (DT) */
if (mac)
memcpy(priv->dev->dev_addr, mac, ETH_ALEN);
/* Get the MAC information */
priv->dev->irq = platform_get_irq_byname(pdev, "macirq");
if (priv->dev->irq == -ENXIO) {
pr_err("%s: ERROR: MAC IRQ configuration "
"information not found\n", __func__);
ret = -ENXIO;
goto out_unmap;
}
/*
* On some platforms e.g. SPEAr the wake up irq differs from the mac irq
* The external wake up irq can be passed through the platform code
* named as "eth_wake_irq"
*
* In case the wake up interrupt is not passed from the platform
* so the driver will continue to use the mac irq (ndev->irq)
*/
priv->wol_irq = platform_get_irq_byname(pdev, "eth_wake_irq");
if (priv->wol_irq == -ENXIO)
priv->wol_irq = priv->dev->irq;
platform_set_drvdata(pdev, priv->dev);
pr_debug("STMMAC platform driver registration completed");
return 0;
out_unmap:
iounmap(addr);
platform_set_drvdata(pdev, NULL);
out_release_region:
release_mem_region(res->start, resource_size(res));
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;
void *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)
return -ENOMEM;
gmac->pdev = pdev;
err = ipq806x_gmac_of_parse(gmac);
if (IS_ERR(err)) {
dev_err(dev, "device tree parsing error\n");
return PTR_ERR(err);
}
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));
return -EINVAL;
}
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));
return -EINVAL;
}
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 |
0x4 << QSGMII_PHY_PHASE_LOOP_GAIN_OFFSET |
0x3 << QSGMII_PHY_RX_DC_BIAS_OFFSET |
0x1 << QSGMII_PHY_RX_INPUT_EQU_OFFSET |
0x2 << QSGMII_PHY_CDR_PI_SLEW_OFFSET |
0xC << 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;
return stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
}
/**
* stmmac_pci_probe
*
* @pdev: pci device pointer
* @id: pointer to table of device id/id's.
*
* Description: This probing function gets called for all PCI devices which
* match the ID table and are not "owned" by other driver yet. This function
* gets passed a "struct pci_dev *" for each device whose entry in the ID table
* matches the device. The probe functions returns zero when the driver choose
* to take "ownership" of the device or an error code(-ve no) otherwise.
*/
static int __devinit stmmac_pci_probe(struct pci_dev *pdev,
const struct pci_device_id *id)
{
int ret = 0;
void __iomem *addr = NULL;
struct stmmac_priv *priv = NULL;
int i;
/* Enable pci device */
ret = pci_enable_device(pdev);
if (ret) {
pr_err("%s : ERROR: failed to enable %s device\n", __func__,
pci_name(pdev));
return ret;
}
if (pci_request_regions(pdev, STMMAC_RESOURCE_NAME)) {
pr_err("%s: ERROR: failed to get PCI region\n", __func__);
ret = -ENODEV;
goto err_out_req_reg_failed;
}
/* Get the base address of device */
for (i = 0; i <= 5; i++) {
if (pci_resource_len(pdev, i) == 0)
continue;
addr = pci_iomap(pdev, i, 0);
if (addr == NULL) {
pr_err("%s: ERROR: cannot map register memory, aborting",
__func__);
ret = -EIO;
goto err_out_map_failed;
}
break;
}
pci_set_master(pdev);
stmmac_default_data();
priv = stmmac_dvr_probe(&(pdev->dev), &plat_dat, addr);
if (!priv) {
pr_err("%s: main driver probe failed", __func__);
goto err_out;
}
priv->dev->irq = pdev->irq;
priv->wol_irq = pdev->irq;
pci_set_drvdata(pdev, priv->dev);
pr_debug("STMMAC platform driver registration completed");
return 0;
err_out:
pci_clear_master(pdev);
err_out_map_failed:
pci_release_regions(pdev);
err_out_req_reg_failed:
pci_disable_device(pdev);
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;
}
/**
* stmmac_pltfr_probe
* @pdev: platform device pointer
* Description: platform_device probe function. It allocates
* the necessary resources and invokes the main to init
* the net device, register the mdio bus etc.
*/
static int stmmac_pltfr_probe(struct platform_device *pdev)
{
int ret = 0;
//addr =phys_to_virt();
struct resource *res;
struct device *dev = &pdev->dev;
void __iomem *addr = NULL;
struct stmmac_priv *priv = NULL;
struct plat_stmmacenet_data *plat_dat = NULL;
const char *mac = NULL;
#ifdef CONFIG_DWMAC_MESON
switch_mod_gate_by_name("ethernet",1);
#endif
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res)
return -ENODEV;
addr = devm_ioremap_resource(dev, res);
//addr = ( void* )(0xfe0c0000);
printk("ethernet base addr is %x\n", (unsigned int)addr);
plat_dat = dev_get_platdata(&pdev->dev);
if (pdev->dev.of_node) {
if (!plat_dat)
plat_dat = devm_kzalloc(&pdev->dev,
sizeof(struct plat_stmmacenet_data),
GFP_KERNEL);
if (!plat_dat) {
pr_err("%s: ERROR: no memory", __func__);
return -ENOMEM;
}
ret = stmmac_probe_config_dt(pdev, plat_dat, &mac);
if (ret) {
pr_err("%s: main dt probe failed", __func__);
return ret;
}
}
/* Custom setup (if needed) */
if (plat_dat->setup) {
plat_dat->bsp_priv = plat_dat->setup(pdev);
if (IS_ERR(plat_dat->bsp_priv))
return PTR_ERR(plat_dat->bsp_priv);
}
/* Custom initialisation (if needed)*/
if (plat_dat->init) {
ret = plat_dat->init(pdev, plat_dat->bsp_priv);
if (unlikely(ret))
return ret;
}
priv = stmmac_dvr_probe(&(pdev->dev), plat_dat, addr);
if (IS_ERR(priv)) {
pr_err("%s: main driver probe failed", __func__);
return PTR_ERR(priv);
}
/* Get MAC address if available (DT) */
if (mac)
memcpy(priv->dev->dev_addr, mac, ETH_ALEN);
/* Get the MAC information */
priv->dev->irq = platform_get_irq_byname(pdev, "macirq");
if (priv->dev->irq < 0) {
if (priv->dev->irq != -EPROBE_DEFER) {
netdev_err(priv->dev,
"MAC IRQ configuration information not found\n");
}
return priv->dev->irq;
}
/*
* On some platforms e.g. SPEAr the wake up irq differs from the mac irq
* The external wake up irq can be passed through the platform code
* named as "eth_wake_irq"
*
* In case the wake up interrupt is not passed from the platform
* so the driver will continue to use the mac irq (ndev->irq)
*/
priv->wol_irq = platform_get_irq_byname(pdev, "eth_wake_irq");
if (priv->wol_irq < 0) {
if (priv->wol_irq == -EPROBE_DEFER)
return -EPROBE_DEFER;
priv->wol_irq = priv->dev->irq;
}
priv->lpi_irq = platform_get_irq_byname(pdev, "eth_lpi");
if (priv->lpi_irq == -EPROBE_DEFER)
return -EPROBE_DEFER;
platform_set_drvdata(pdev, priv->dev);
pr_debug("STMMAC platform driver registration completed");
return 0;
}
/**
* stmmac_pltfr_probe
* @pdev: platform device pointer
* Description: platform_device probe function. It allocates
* the necessary resources and invokes the main to init
* the net device, register the mdio bus etc.
*/
static int stmmac_pltfr_probe(struct platform_device *pdev)
{
int ret = 0;
struct resource *res;
void __iomem *addr = NULL;
struct stmmac_priv *priv = NULL;
struct plat_stmmacenet_data *plat_dat;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res)
return -ENODEV;
if (!request_mem_region(res->start, resource_size(res), pdev->name)) {
pr_err("%s: ERROR: memory allocation failed"
"cannot get the I/O addr 0x%x\n",
__func__, (unsigned int)res->start);
return -EBUSY;
}
addr = ioremap(res->start, resource_size(res));
if (!addr) {
pr_err("%s: ERROR: memory mapping failed", __func__);
ret = -ENOMEM;
goto out_release_region;
}
plat_dat = pdev->dev.platform_data;
priv = stmmac_dvr_probe(&(pdev->dev), plat_dat);
if (!priv) {
pr_err("%s: main drivr probe failed", __func__);
goto out_release_region;
}
priv->ioaddr = addr;
/* Set the I/O base addr */
priv->dev->base_addr = (unsigned long)addr;
/* Get the MAC information */
priv->dev->irq = platform_get_irq_byname(pdev, "macirq");
if (priv->dev->irq == -ENXIO) {
pr_err("%s: ERROR: MAC IRQ configuration "
"information not found\n", __func__);
ret = -ENXIO;
goto out_unmap;
}
/*
* On some platforms e.g. SPEAr the wake up irq differs from the mac irq
* The external wake up irq can be passed through the platform code
* named as "eth_wake_irq"
*
* In case the wake up interrupt is not passed from the platform
* so the driver will continue to use the mac irq (ndev->irq)
*/
priv->wol_irq = platform_get_irq_byname(pdev, "eth_wake_irq");
if (priv->wol_irq == -ENXIO)
priv->wol_irq = priv->dev->irq;
platform_set_drvdata(pdev, priv->dev);
/* Custom initialisation */
if (priv->plat->init) {
ret = priv->plat->init(pdev);
if (unlikely(ret))
goto out_unmap;
}
pr_debug("STMMAC platform driver registration completed");
return 0;
out_unmap:
iounmap(addr);
platform_set_drvdata(pdev, NULL);
out_release_region:
release_mem_region(res->start, resource_size(res));
return ret;
}
/**
* stmmac_pltfr_probe
* @pdev: platform device pointer
* Description: platform_device probe function. It allocates
* the necessary resources and invokes the main to init
* the net device, register the mdio bus etc.
*/
static int stmmac_pltfr_probe(struct platform_device *pdev)
{
int ret = 0;
struct resource *res;
struct device *dev = &pdev->dev;
void __iomem *addr = NULL;
struct stmmac_priv *priv = NULL;
struct plat_stmmacenet_data *plat_dat = NULL;
const char *mac = NULL;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res)
return -ENODEV;
addr = devm_ioremap_resource(dev, res);
if (IS_ERR(addr))
return PTR_ERR(addr);
if (pdev->dev.of_node) {
plat_dat = devm_kzalloc(&pdev->dev,
sizeof(struct plat_stmmacenet_data),
GFP_KERNEL);
if (!plat_dat) {
pr_err("%s: ERROR: no memory", __func__);
return -ENOMEM;
}
ret = stmmac_probe_config_dt(pdev, plat_dat, &mac);
if (ret) {
pr_err("%s: main dt probe failed", __func__);
return ret;
}
} else {
plat_dat = pdev->dev.platform_data;
}
/* Custom initialisation (if needed)*/
if (plat_dat->init) {
ret = plat_dat->init(pdev);
if (unlikely(ret))
return ret;
}
gmac_clk_init(&(pdev->dev));
priv = stmmac_dvr_probe(&(pdev->dev), plat_dat, addr);
if (!priv) {
pr_err("%s: main driver probe failed", __func__);
return -ENODEV;
}
/* Get MAC address if available (DT) */
if (mac)
memcpy(priv->dev->dev_addr, mac, ETH_ALEN);
/* Get the MAC information */
priv->dev->irq = platform_get_irq_byname(pdev, "macirq");
if (priv->dev->irq == -ENXIO) {
pr_err("%s: ERROR: MAC IRQ configuration "
"information not found\n", __func__);
return -ENXIO;
}
/*
* On some platforms e.g. SPEAr the wake up irq differs from the mac irq
* The external wake up irq can be passed through the platform code
* named as "eth_wake_irq"
*
* In case the wake up interrupt is not passed from the platform
* so the driver will continue to use the mac irq (ndev->irq)
*/
priv->wol_irq = platform_get_irq_byname(pdev, "eth_wake_irq");
if (priv->wol_irq == -ENXIO)
priv->wol_irq = priv->dev->irq;
priv->lpi_irq = platform_get_irq_byname(pdev, "eth_lpi");
platform_set_drvdata(pdev, priv->dev);
pr_debug("STMMAC platform driver registration completed");
return 0;
}
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;
}
