diff options
| -rw-r--r-- | target/linux/ipq40xx/files/drivers/net/phy/ar40xx.c | 241 | ||||
| -rw-r--r-- | target/linux/ipq40xx/patches-5.4/705-net-add-qualcomm-ar40xx-phy.patch | 8 |
2 files changed, 20 insertions, 229 deletions
diff --git a/target/linux/ipq40xx/files/drivers/net/phy/ar40xx.c b/target/linux/ipq40xx/files/drivers/net/phy/ar40xx.c index 18ff26affc..c35ba2799f 100644 --- a/target/linux/ipq40xx/files/drivers/net/phy/ar40xx.c +++ b/target/linux/ipq40xx/files/drivers/net/phy/ar40xx.c @@ -25,6 +25,7 @@ #include <linux/workqueue.h> #include <linux/of_device.h> #include <linux/of_address.h> +#include <linux/of_mdio.h> #include <linux/mdio.h> #include <linux/gpio.h> @@ -1245,42 +1246,6 @@ ar40xx_init_globals(struct ar40xx_priv *priv) ar40xx_write(priv, AR40XX_REG_PORT_FLOWCTRL_THRESH(0), t); } -static void -ar40xx_malibu_init(struct ar40xx_priv *priv) -{ - int i; - struct mii_bus *bus; - u16 val; - - bus = priv->mii_bus; - - /* war to enable AZ transmitting ability */ - ar40xx_phy_mmd_write(priv, AR40XX_PSGMII_ID, 1, - AR40XX_MALIBU_PSGMII_MODE_CTRL, - AR40XX_MALIBU_PHY_PSGMII_MODE_CTRL_ADJUST_VAL); - for (i = 0; i < AR40XX_NUM_PORTS - 1; i++) { - /* change malibu control_dac */ - val = ar40xx_phy_mmd_read(priv, i, 7, - AR40XX_MALIBU_PHY_MMD7_DAC_CTRL); - val &= ~AR40XX_MALIBU_DAC_CTRL_MASK; - val |= AR40XX_MALIBU_DAC_CTRL_VALUE; - ar40xx_phy_mmd_write(priv, i, 7, - AR40XX_MALIBU_PHY_MMD7_DAC_CTRL, val); - if (i == AR40XX_MALIBU_PHY_LAST_ADDR) { - /* to avoid goes into hibernation */ - val = ar40xx_phy_mmd_read(priv, i, 3, - AR40XX_MALIBU_PHY_RLP_CTRL); - val &= (~(1<<1)); - ar40xx_phy_mmd_write(priv, i, 3, - AR40XX_MALIBU_PHY_RLP_CTRL, val); - } - } - - /* adjust psgmii serdes tx amp */ - mdiobus_write(bus, AR40XX_PSGMII_ID, AR40XX_PSGMII_TX_DRIVER_1_CTRL, - AR40XX_MALIBU_PHY_PSGMII_REDUCE_SERDES_TX_AMP); -} - static int ar40xx_hw_init(struct ar40xx_priv *priv) { @@ -1288,9 +1253,7 @@ ar40xx_hw_init(struct ar40xx_priv *priv) ar40xx_ess_reset(priv); - if (priv->mii_bus) - ar40xx_malibu_init(priv); - else + if (!priv->mii_bus) return -1; ar40xx_psgmii_self_test(priv); @@ -1763,183 +1726,13 @@ static const struct switch_dev_ops ar40xx_sw_ops = { .get_port_link = ar40xx_sw_get_port_link, }; -/* Start of phy driver support */ - -static const u32 ar40xx_phy_ids[] = { - 0x004dd0b1, - 0x004dd0b2, /* AR40xx */ -}; - -static bool -ar40xx_phy_match(u32 phy_id) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(ar40xx_phy_ids); i++) - if (phy_id == ar40xx_phy_ids[i]) - return true; - - return false; -} - -static bool -is_ar40xx_phy(struct mii_bus *bus) -{ - unsigned i; - - for (i = 0; i < 4; i++) { - u32 phy_id; - - phy_id = mdiobus_read(bus, i, MII_PHYSID1) << 16; - phy_id |= mdiobus_read(bus, i, MII_PHYSID2); - if (!ar40xx_phy_match(phy_id)) - return false; - } - - return true; -} - -static int -ar40xx_phy_probe(struct phy_device *phydev) -{ - if (!is_ar40xx_phy(phydev->mdio.bus)) - return -ENODEV; - - ar40xx_priv->mii_bus = phydev->mdio.bus; - phydev->priv = ar40xx_priv; - if (phydev->mdio.addr == 0) - ar40xx_priv->phy = phydev; - - linkmode_set_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT, phydev->supported); - linkmode_set_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT, phydev->advertising); - return 0; -} - -static void -ar40xx_phy_remove(struct phy_device *phydev) -{ - ar40xx_priv->mii_bus = NULL; - phydev->priv = NULL; -} - -static int -ar40xx_phy_config_init(struct phy_device *phydev) -{ - return 0; -} - -static int -ar40xx_phy_read_status(struct phy_device *phydev) -{ - if (phydev->mdio.addr != 0) - return genphy_read_status(phydev); - - return 0; -} - -static int -ar40xx_phy_config_aneg(struct phy_device *phydev) -{ - if (phydev->mdio.addr == 0) - return 0; - - return genphy_config_aneg(phydev); -} - -static struct phy_driver ar40xx_phy_driver = { - .phy_id = 0x004d0000, - .name = "QCA Malibu", - .phy_id_mask = 0xffff0000, - .features = PHY_GBIT_FEATURES, - .probe = ar40xx_phy_probe, - .remove = ar40xx_phy_remove, - .config_init = ar40xx_phy_config_init, - .config_aneg = ar40xx_phy_config_aneg, - .read_status = ar40xx_phy_read_status, -}; - -static uint16_t ar40xx_gpio_get_phy(unsigned int offset) -{ - return offset / 4; -} - -static uint16_t ar40xx_gpio_get_reg(unsigned int offset) -{ - return 0x8074 + offset % 4; -} - -static void ar40xx_gpio_set(struct gpio_chip *gc, unsigned int offset, - int value) -{ - struct ar40xx_priv *priv = gpiochip_get_data(gc); - - ar40xx_phy_mmd_write(priv, ar40xx_gpio_get_phy(offset), 0x7, - ar40xx_gpio_get_reg(offset), - value ? 0xA000 : 0x8000); -} - -static int ar40xx_gpio_get(struct gpio_chip *gc, unsigned offset) -{ - struct ar40xx_priv *priv = gpiochip_get_data(gc); - - return ar40xx_phy_mmd_read(priv, ar40xx_gpio_get_phy(offset), 0x7, - ar40xx_gpio_get_reg(offset)) == 0xA000; -} - -static int ar40xx_gpio_get_dir(struct gpio_chip *gc, unsigned offset) -{ - return 0; /* only out direction */ -} - -static int ar40xx_gpio_dir_out(struct gpio_chip *gc, unsigned offset, - int value) -{ - /* - * the direction out value is used to set the initial value. - * support of this function is required by leds-gpio.c - */ - ar40xx_gpio_set(gc, offset, value); - return 0; -} - -static void ar40xx_register_gpio(struct device *pdev, - struct ar40xx_priv *priv, - struct device_node *switch_node) -{ - struct gpio_chip *gc; - int err; - - gc = devm_kzalloc(pdev, sizeof(*gc), GFP_KERNEL); - if (!gc) - return; - - gc->label = "ar40xx_gpio", - gc->base = -1, - gc->ngpio = 5 /* mmd 0 - 4 */ * 4 /* 0x8074 - 0x8077 */, - gc->parent = pdev; - gc->owner = THIS_MODULE; - - gc->get_direction = ar40xx_gpio_get_dir; - gc->direction_output = ar40xx_gpio_dir_out; - gc->get = ar40xx_gpio_get; - gc->set = ar40xx_gpio_set; - gc->can_sleep = true; - gc->label = priv->dev.name; - gc->of_node = switch_node; - - err = devm_gpiochip_add_data(pdev, gc, priv); - if (err != 0) - dev_err(pdev, "Failed to register gpio %d.\n", err); -} - -/* End of phy driver support */ - /* Platform driver probe function */ static int ar40xx_probe(struct platform_device *pdev) { struct device_node *switch_node; struct device_node *psgmii_node; + struct device_node *mdio_node; const __be32 *mac_mode; struct clk *ess_clk; struct switch_dev *swdev; @@ -2010,12 +1803,6 @@ static int ar40xx_probe(struct platform_device *pdev) return -EIO; } - ret = phy_driver_register(&ar40xx_phy_driver, THIS_MODULE); - if (ret) { - dev_err(&pdev->dev, "Failed to register ar40xx phy driver!\n"); - return -EIO; - } - mutex_init(&priv->reg_mutex); mutex_init(&priv->mib_lock); INIT_DELAYED_WORK(&priv->mib_work, ar40xx_mib_work_func); @@ -2023,6 +1810,15 @@ static int ar40xx_probe(struct platform_device *pdev) /* register switch */ swdev = &priv->dev; + mdio_node = of_find_compatible_node(NULL, NULL, "qcom,ipq4019-mdio"); + if (!mdio_node) { + dev_err(&pdev->dev, "Probe failed - Cannot find mdio node by phandle!\n"); + ret = -ENODEV; + goto err_missing_phy; + } + + priv->mii_bus = of_mdio_find_bus(mdio_node); + if (priv->mii_bus == NULL) { dev_err(&pdev->dev, "Probe failed - Missing PHYs!\n"); ret = -ENODEV; @@ -2037,8 +1833,10 @@ static int ar40xx_probe(struct platform_device *pdev) swdev->ports = AR40XX_NUM_PORTS; swdev->ops = &ar40xx_sw_ops; ret = register_switch(swdev, NULL); - if (ret) - goto err_unregister_phy; + if (ret < 0) { + dev_err(&pdev->dev, "Switch registration failed!\n"); + return ret; + } num_mibs = ARRAY_SIZE(ar40xx_mibs); len = priv->dev.ports * num_mibs * @@ -2051,15 +1849,10 @@ static int ar40xx_probe(struct platform_device *pdev) ar40xx_start(priv); - if (of_property_read_bool(switch_node, "gpio-controller")) - ar40xx_register_gpio(&pdev->dev, ar40xx_priv, switch_node); - return 0; err_unregister_switch: unregister_switch(&priv->dev); -err_unregister_phy: - phy_driver_unregister(&ar40xx_phy_driver); err_missing_phy: platform_set_drvdata(pdev, NULL); return ret; @@ -2074,8 +1867,6 @@ static int ar40xx_remove(struct platform_device *pdev) unregister_switch(&priv->dev); - phy_driver_unregister(&ar40xx_phy_driver); - return 0; } diff --git a/target/linux/ipq40xx/patches-5.4/705-net-add-qualcomm-ar40xx-phy.patch b/target/linux/ipq40xx/patches-5.4/705-net-add-qualcomm-ar40xx-phy.patch index 6f080892d5..9adddcabc3 100644 --- a/target/linux/ipq40xx/patches-5.4/705-net-add-qualcomm-ar40xx-phy.patch +++ b/target/linux/ipq40xx/patches-5.4/705-net-add-qualcomm-ar40xx-phy.patch @@ -1,12 +1,12 @@ --- a/drivers/net/phy/Kconfig +++ b/drivers/net/phy/Kconfig -@@ -584,6 +584,13 @@ config MDIO_IPQ40XX - This driver supports the MDIO interface found in Qualcomm - Atheros ipq40xx Soc chip. +@@ -584,6 +584,13 @@ config XILINX_GMII2RGMII + the Reduced Gigabit Media Independent Interface(RGMII) between + Ethernet physical media devices and the Gigabit Ethernet controller. +config AR40XX_PHY + tristate "Driver for Qualcomm Atheros IPQ40XX switches" -+ depends on HAS_IOMEM && OF ++ depends on HAS_IOMEM && OF && OF_MDIO + select SWCONFIG + help + This is the driver for Qualcomm Atheros IPQ40XX ESS switches. |