static int bgmac_probe(struct platform_device *pdev)
{
struct device_node *np = pdev->dev.of_node;
struct bgmac *bgmac;
struct resource *regs;
const u8 *mac_addr;
bgmac = devm_kzalloc(&pdev->dev, sizeof(*bgmac), GFP_KERNEL);
if (!bgmac)
return -ENOMEM;
platform_set_drvdata(pdev, bgmac);
/* Set the features of the 4707 family */
bgmac->feature_flags |= BGMAC_FEAT_CLKCTLST;
bgmac->feature_flags |= BGMAC_FEAT_NO_RESET;
bgmac->feature_flags |= BGMAC_FEAT_CMDCFG_SR_REV4;
bgmac->feature_flags |= BGMAC_FEAT_TX_MASK_SETUP;
bgmac->feature_flags |= BGMAC_FEAT_RX_MASK_SETUP;
bgmac->dev = &pdev->dev;
bgmac->dma_dev = &pdev->dev;
mac_addr = of_get_mac_address(np);
if (mac_addr)
ether_addr_copy(bgmac->mac_addr, mac_addr);
else
dev_warn(&pdev->dev, "MAC address not present in device tree\n");
bgmac->irq = platform_get_irq(pdev, 0);
if (bgmac->irq < 0) {
dev_err(&pdev->dev, "Unable to obtain IRQ\n");
return bgmac->irq;
}
regs = platform_get_resource_byname(pdev, IORESOURCE_MEM, "amac_base");
if (!regs) {
dev_err(&pdev->dev, "Unable to obtain base resource\n");
return -EINVAL;
}
bgmac->plat.base = devm_ioremap_resource(&pdev->dev, regs);
if (IS_ERR(bgmac->plat.base))
return PTR_ERR(bgmac->plat.base);
regs = platform_get_resource_byname(pdev, IORESOURCE_MEM, "idm_base");
if (!regs) {
dev_err(&pdev->dev, "Unable to obtain idm resource\n");
return -EINVAL;
}
bgmac->plat.idm_base = devm_ioremap_resource(&pdev->dev, regs);
if (IS_ERR(bgmac->plat.idm_base))
return PTR_ERR(bgmac->plat.idm_base);
regs = platform_get_resource_byname(pdev, IORESOURCE_MEM, "nicpm_base");
if (regs) {
bgmac->plat.nicpm_base = devm_ioremap_resource(&pdev->dev,
regs);
if (IS_ERR(bgmac->plat.nicpm_base))
return PTR_ERR(bgmac->plat.nicpm_base);
}
bgmac->read = platform_bgmac_read;
bgmac->write = platform_bgmac_write;
bgmac->idm_read = platform_bgmac_idm_read;
bgmac->idm_write = platform_bgmac_idm_write;
bgmac->clk_enabled = platform_bgmac_clk_enabled;
bgmac->clk_enable = platform_bgmac_clk_enable;
bgmac->cco_ctl_maskset = platform_bgmac_cco_ctl_maskset;
bgmac->get_bus_clock = platform_bgmac_get_bus_clock;
bgmac->cmn_maskset32 = platform_bgmac_cmn_maskset32;
if (of_parse_phandle(np, "phy-handle", 0)) {
bgmac->phy_connect = platform_phy_connect;
} else {
bgmac->phy_connect = bgmac_phy_connect_direct;
bgmac->feature_flags |= BGMAC_FEAT_FORCE_SPEED_2500;
}
return bgmac_enet_probe(bgmac);
}
/* http://bcm-v4.sipsolutions.net/mac-gbit/gmac/chipattach */
static int bgmac_probe(struct bcma_device *core)
{
struct bcma_chipinfo *ci = &core->bus->chipinfo;
struct ssb_sprom *sprom = &core->bus->sprom;
struct mii_bus *mii_bus;
struct bgmac *bgmac;
const u8 *mac = NULL;
int err;
bgmac = bgmac_alloc(&core->dev);
if (!bgmac)
return -ENOMEM;
bgmac->bcma.core = core;
bgmac->dma_dev = core->dma_dev;
bgmac->irq = core->irq;
bcma_set_drvdata(core, bgmac);
if (bgmac->dev->of_node)
mac = of_get_mac_address(bgmac->dev->of_node);
/* If no MAC address assigned via device tree, check SPROM */
if (IS_ERR_OR_NULL(mac)) {
switch (core->core_unit) {
case 0:
mac = sprom->et0mac;
break;
case 1:
mac = sprom->et1mac;
break;
case 2:
mac = sprom->et2mac;
break;
default:
dev_err(bgmac->dev, "Unsupported core_unit %d\n",
core->core_unit);
err = -ENOTSUPP;
goto err;
}
}
ether_addr_copy(bgmac->net_dev->dev_addr, mac);
/* On BCM4706 we need common core to access PHY */
if (core->id.id == BCMA_CORE_4706_MAC_GBIT &&
!core->bus->drv_gmac_cmn.core) {
dev_err(bgmac->dev, "GMAC CMN core not found (required for BCM4706)\n");
err = -ENODEV;
goto err;
}
bgmac->bcma.cmn = core->bus->drv_gmac_cmn.core;
switch (core->core_unit) {
case 0:
bgmac->phyaddr = sprom->et0phyaddr;
break;
case 1:
bgmac->phyaddr = sprom->et1phyaddr;
break;
case 2:
bgmac->phyaddr = sprom->et2phyaddr;
break;
}
bgmac->phyaddr &= BGMAC_PHY_MASK;
if (bgmac->phyaddr == BGMAC_PHY_MASK) {
dev_err(bgmac->dev, "No PHY found\n");
err = -ENODEV;
goto err;
}
dev_info(bgmac->dev, "Found PHY addr: %d%s\n", bgmac->phyaddr,
bgmac->phyaddr == BGMAC_PHY_NOREGS ? " (NOREGS)" : "");
if (!bgmac_is_bcm4707_family(core) &&
!(ci->id == BCMA_CHIP_ID_BCM53573 && core->core_unit == 1)) {
struct phy_device *phydev;
mii_bus = bcma_mdio_mii_register(bgmac);
if (IS_ERR(mii_bus)) {
err = PTR_ERR(mii_bus);
goto err;
}
bgmac->mii_bus = mii_bus;
phydev = mdiobus_get_phy(bgmac->mii_bus, bgmac->phyaddr);
if (ci->id == BCMA_CHIP_ID_BCM53573 && phydev &&
(phydev->drv->phy_id & phydev->drv->phy_id_mask) == PHY_ID_BCM54210E)
phydev->dev_flags |= PHY_BRCM_EN_MASTER_MODE;
}
if (core->bus->hosttype == BCMA_HOSTTYPE_PCI) {
dev_err(bgmac->dev, "PCI setup not implemented\n");
err = -ENOTSUPP;
goto err1;
}
bgmac->has_robosw = !!(sprom->boardflags_lo & BGMAC_BFL_ENETROBO);
if (bgmac->has_robosw)
dev_warn(bgmac->dev, "Support for Roboswitch not implemented\n");
if (sprom->boardflags_lo & BGMAC_BFL_ENETADM)
dev_warn(bgmac->dev, "Support for ADMtek ethernet switch not implemented\n");
/* Feature Flags */
switch (ci->id) {
/* BCM 471X/535X family */
case BCMA_CHIP_ID_BCM4716:
bgmac->feature_flags |= BGMAC_FEAT_CLKCTLST;
/* fallthrough */
case BCMA_CHIP_ID_BCM47162:
bgmac->feature_flags |= BGMAC_FEAT_FLW_CTRL2;
bgmac->feature_flags |= BGMAC_FEAT_SET_RXQ_CLK;
break;
case BCMA_CHIP_ID_BCM5357:
case BCMA_CHIP_ID_BCM53572:
bgmac->feature_flags |= BGMAC_FEAT_SET_RXQ_CLK;
bgmac->feature_flags |= BGMAC_FEAT_CLKCTLST;
bgmac->feature_flags |= BGMAC_FEAT_FLW_CTRL1;
bgmac->feature_flags |= BGMAC_FEAT_SW_TYPE_PHY;
if (ci->pkg == BCMA_PKG_ID_BCM47188 ||
ci->pkg == BCMA_PKG_ID_BCM47186) {
bgmac->feature_flags |= BGMAC_FEAT_SW_TYPE_RGMII;
bgmac->feature_flags |= BGMAC_FEAT_IOST_ATTACHED;
}
if (ci->pkg == BCMA_PKG_ID_BCM5358)
bgmac->feature_flags |= BGMAC_FEAT_SW_TYPE_EPHYRMII;
break;
case BCMA_CHIP_ID_BCM53573:
bgmac->feature_flags |= BGMAC_FEAT_CLKCTLST;
bgmac->feature_flags |= BGMAC_FEAT_SET_RXQ_CLK;
if (ci->pkg == BCMA_PKG_ID_BCM47189)
bgmac->feature_flags |= BGMAC_FEAT_IOST_ATTACHED;
if (core->core_unit == 0) {
bgmac->feature_flags |= BGMAC_FEAT_CC4_IF_SW_TYPE;
if (ci->pkg == BCMA_PKG_ID_BCM47189)
bgmac->feature_flags |=
BGMAC_FEAT_CC4_IF_SW_TYPE_RGMII;
} else if (core->core_unit == 1) {
bgmac->feature_flags |= BGMAC_FEAT_IRQ_ID_OOB_6;
bgmac->feature_flags |= BGMAC_FEAT_CC7_IF_TYPE_RGMII;
}
break;
case BCMA_CHIP_ID_BCM4749:
bgmac->feature_flags |= BGMAC_FEAT_SET_RXQ_CLK;
bgmac->feature_flags |= BGMAC_FEAT_CLKCTLST;
bgmac->feature_flags |= BGMAC_FEAT_FLW_CTRL1;
bgmac->feature_flags |= BGMAC_FEAT_SW_TYPE_PHY;
if (ci->pkg == 10) {
bgmac->feature_flags |= BGMAC_FEAT_SW_TYPE_RGMII;
bgmac->feature_flags |= BGMAC_FEAT_IOST_ATTACHED;
}
break;
/* bcm4707_family */
case BCMA_CHIP_ID_BCM4707:
case BCMA_CHIP_ID_BCM47094:
case BCMA_CHIP_ID_BCM53018:
bgmac->feature_flags |= BGMAC_FEAT_CLKCTLST;
bgmac->feature_flags |= BGMAC_FEAT_NO_RESET;
bgmac->feature_flags |= BGMAC_FEAT_FORCE_SPEED_2500;
break;
default:
bgmac->feature_flags |= BGMAC_FEAT_CLKCTLST;
bgmac->feature_flags |= BGMAC_FEAT_SET_RXQ_CLK;
}
if (!bgmac_is_bcm4707_family(core) && core->id.rev > 2)
bgmac->feature_flags |= BGMAC_FEAT_MISC_PLL_REQ;
if (core->id.id == BCMA_CORE_4706_MAC_GBIT) {
bgmac->feature_flags |= BGMAC_FEAT_CMN_PHY_CTL;
bgmac->feature_flags |= BGMAC_FEAT_NO_CLR_MIB;
}
if (core->id.rev >= 4) {
bgmac->feature_flags |= BGMAC_FEAT_CMDCFG_SR_REV4;
bgmac->feature_flags |= BGMAC_FEAT_TX_MASK_SETUP;
bgmac->feature_flags |= BGMAC_FEAT_RX_MASK_SETUP;
}
bgmac->read = bcma_bgmac_read;
bgmac->write = bcma_bgmac_write;
bgmac->idm_read = bcma_bgmac_idm_read;
bgmac->idm_write = bcma_bgmac_idm_write;
bgmac->clk_enabled = bcma_bgmac_clk_enabled;
bgmac->clk_enable = bcma_bgmac_clk_enable;
bgmac->cco_ctl_maskset = bcma_bgmac_cco_ctl_maskset;
bgmac->get_bus_clock = bcma_bgmac_get_bus_clock;
bgmac->cmn_maskset32 = bcma_bgmac_cmn_maskset32;
if (bgmac->mii_bus)
bgmac->phy_connect = bcma_phy_connect;
else
bgmac->phy_connect = bgmac_phy_connect_direct;
err = bgmac_enet_probe(bgmac);
if (err)
goto err1;
return 0;
err1:
bcma_mdio_mii_unregister(bgmac->mii_bus);
err:
bcma_set_drvdata(core, NULL);
return err;
}
