diff options
| -rw-r--r-- | Documentation/devicetree/bindings/net/cdns,macb.yaml | 1 | ||||
| -rw-r--r-- | drivers/net/ethernet/cadence/macb_main.c | 106 |
2 files changed, 56 insertions, 51 deletions
diff --git a/Documentation/devicetree/bindings/net/cdns,macb.yaml b/Documentation/devicetree/bindings/net/cdns,macb.yaml index 86fc31c2d91b..9c92156869b2 100644 --- a/Documentation/devicetree/bindings/net/cdns,macb.yaml +++ b/Documentation/devicetree/bindings/net/cdns,macb.yaml @@ -28,6 +28,7 @@ properties: - enum: - cdns,at91sam9260-macb # Atmel at91sam9 SoCs - cdns,sam9x60-macb # Microchip sam9x60 SoC + - microchip,mpfs-macb # Microchip PolarFire SoC - const: cdns,macb # Generic - items: diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c index 90a9798424af..d5f7a9fb36d5 100644 --- a/drivers/net/ethernet/cadence/macb_main.c +++ b/drivers/net/ethernet/cadence/macb_main.c @@ -4600,6 +4600,40 @@ static int fu540_c000_init(struct platform_device *pdev) return macb_init(pdev); } +static int init_reset_optional(struct platform_device *pdev) +{ + struct net_device *dev = platform_get_drvdata(pdev); + struct macb *bp = netdev_priv(dev); + int ret; + + if (bp->phy_interface == PHY_INTERFACE_MODE_SGMII) { + /* Ensure PHY device used in SGMII mode is ready */ + bp->sgmii_phy = devm_phy_optional_get(&pdev->dev, NULL); + + if (IS_ERR(bp->sgmii_phy)) + return dev_err_probe(&pdev->dev, PTR_ERR(bp->sgmii_phy), + "failed to get SGMII PHY\n"); + + ret = phy_init(bp->sgmii_phy); + if (ret) + return dev_err_probe(&pdev->dev, ret, + "failed to init SGMII PHY\n"); + } + + /* Fully reset controller at hardware level if mapped in device tree */ + ret = device_reset_optional(&pdev->dev); + if (ret) { + phy_exit(bp->sgmii_phy); + return dev_err_probe(&pdev->dev, ret, "failed to reset controller"); + } + + ret = macb_init(pdev); + if (ret) + phy_exit(bp->sgmii_phy); + + return ret; +} + static const struct macb_usrio_config sama7g5_usrio = { .mii = 0, .rmii = 1, @@ -4626,8 +4660,8 @@ static const struct macb_config at91sam9260_config = { }; static const struct macb_config sama5d3macb_config = { - .caps = MACB_CAPS_SG_DISABLED - | MACB_CAPS_USRIO_HAS_CLKEN | MACB_CAPS_USRIO_DEFAULT_IS_MII_GMII, + .caps = MACB_CAPS_SG_DISABLED | + MACB_CAPS_USRIO_HAS_CLKEN | MACB_CAPS_USRIO_DEFAULT_IS_MII_GMII, .clk_init = macb_clk_init, .init = macb_init, .usrio = &macb_default_usrio, @@ -4658,8 +4692,8 @@ static const struct macb_config sama5d29_config = { }; static const struct macb_config sama5d3_config = { - .caps = MACB_CAPS_SG_DISABLED | MACB_CAPS_GIGABIT_MODE_AVAILABLE - | MACB_CAPS_USRIO_DEFAULT_IS_MII_GMII | MACB_CAPS_JUMBO, + .caps = MACB_CAPS_SG_DISABLED | MACB_CAPS_GIGABIT_MODE_AVAILABLE | + MACB_CAPS_USRIO_DEFAULT_IS_MII_GMII | MACB_CAPS_JUMBO, .dma_burst_length = 16, .clk_init = macb_clk_init, .init = macb_init, @@ -4689,55 +4723,13 @@ static const struct macb_config np4_config = { .usrio = &macb_default_usrio, }; -static int zynqmp_init(struct platform_device *pdev) -{ - struct net_device *dev = platform_get_drvdata(pdev); - struct macb *bp = netdev_priv(dev); - int ret; - - if (bp->phy_interface == PHY_INTERFACE_MODE_SGMII) { - /* Ensure PS-GTR PHY device used in SGMII mode is ready */ - bp->sgmii_phy = devm_phy_optional_get(&pdev->dev, NULL); - - if (IS_ERR(bp->sgmii_phy)) { - ret = PTR_ERR(bp->sgmii_phy); - dev_err_probe(&pdev->dev, ret, - "failed to get PS-GTR PHY\n"); - return ret; - } - - ret = phy_init(bp->sgmii_phy); - if (ret) { - dev_err(&pdev->dev, "failed to init PS-GTR PHY: %d\n", - ret); - return ret; - } - } - - /* Fully reset GEM controller at hardware level using zynqmp-reset driver, - * if mapped in device tree. - */ - ret = device_reset_optional(&pdev->dev); - if (ret) { - dev_err_probe(&pdev->dev, ret, "failed to reset controller"); - phy_exit(bp->sgmii_phy); - return ret; - } - - ret = macb_init(pdev); - if (ret) - phy_exit(bp->sgmii_phy); - - return ret; -} - static const struct macb_config zynqmp_config = { .caps = MACB_CAPS_GIGABIT_MODE_AVAILABLE | - MACB_CAPS_JUMBO | - MACB_CAPS_GEM_HAS_PTP | MACB_CAPS_BD_RD_PREFETCH, + MACB_CAPS_JUMBO | + MACB_CAPS_GEM_HAS_PTP | MACB_CAPS_BD_RD_PREFETCH, .dma_burst_length = 16, .clk_init = macb_clk_init, - .init = zynqmp_init, + .init = init_reset_optional, .jumbo_max_len = 10240, .usrio = &macb_default_usrio, }; @@ -4751,6 +4743,17 @@ static const struct macb_config zynq_config = { .usrio = &macb_default_usrio, }; +static const struct macb_config mpfs_config = { + .caps = MACB_CAPS_GIGABIT_MODE_AVAILABLE | + MACB_CAPS_JUMBO | + MACB_CAPS_GEM_HAS_PTP, + .dma_burst_length = 16, + .clk_init = macb_clk_init, + .init = init_reset_optional, + .usrio = &macb_default_usrio, + .jumbo_max_len = 10240, +}; + static const struct macb_config sama7g5_gem_config = { .caps = MACB_CAPS_GIGABIT_MODE_AVAILABLE | MACB_CAPS_CLK_HW_CHG | MACB_CAPS_MIIONRGMII, @@ -4787,6 +4790,7 @@ static const struct of_device_id macb_dt_ids[] = { { .compatible = "cdns,zynqmp-gem", .data = &zynqmp_config}, { .compatible = "cdns,zynq-gem", .data = &zynq_config }, { .compatible = "sifive,fu540-c000-gem", .data = &fu540_c000_config }, + { .compatible = "microchip,mpfs-macb", .data = &mpfs_config }, { .compatible = "microchip,sama7g5-gem", .data = &sama7g5_gem_config }, { .compatible = "microchip,sama7g5-emac", .data = &sama7g5_emac_config }, { /* sentinel */ } @@ -4796,8 +4800,8 @@ MODULE_DEVICE_TABLE(of, macb_dt_ids); static const struct macb_config default_gem_config = { .caps = MACB_CAPS_GIGABIT_MODE_AVAILABLE | - MACB_CAPS_JUMBO | - MACB_CAPS_GEM_HAS_PTP, + MACB_CAPS_JUMBO | + MACB_CAPS_GEM_HAS_PTP, .dma_burst_length = 16, .clk_init = macb_clk_init, .init = macb_init, |