diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/ethernet/amd/xgbe/Makefile | 3 | ||||
| -rw-r--r-- | drivers/net/ethernet/amd/xgbe/xgbe-dev.c | 58 | ||||
| -rw-r--r-- | drivers/net/ethernet/amd/xgbe/xgbe-drv.c | 6 | ||||
| -rw-r--r-- | drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c | 19 | ||||
| -rw-r--r-- | drivers/net/ethernet/amd/xgbe/xgbe-main.c | 214 | ||||
| -rw-r--r-- | drivers/net/ethernet/amd/xgbe/xgbe-mdio.c | 549 | ||||
| -rw-r--r-- | drivers/net/ethernet/amd/xgbe/xgbe-phy-v1.c | 821 | ||||
| -rw-r--r-- | drivers/net/ethernet/amd/xgbe/xgbe.h | 130 |
8 files changed, 1140 insertions, 660 deletions
diff --git a/drivers/net/ethernet/amd/xgbe/Makefile b/drivers/net/ethernet/amd/xgbe/Makefile index 171a7e68048d..60b4ae2f05fb 100644 --- a/drivers/net/ethernet/amd/xgbe/Makefile +++ b/drivers/net/ethernet/amd/xgbe/Makefile @@ -2,7 +2,8 @@ obj-$(CONFIG_AMD_XGBE) += amd-xgbe.o amd-xgbe-objs := xgbe-main.o xgbe-drv.o xgbe-dev.o \ xgbe-desc.o xgbe-ethtool.o xgbe-mdio.o \ - xgbe-ptp.o + xgbe-ptp.o \ + xgbe-phy-v1.o amd-xgbe-$(CONFIG_AMD_XGBE_DCB) += xgbe-dcb.o amd-xgbe-$(CONFIG_DEBUG_FS) += xgbe-debugfs.o diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c index f8fffea6ced5..75c3df1251c8 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c @@ -717,32 +717,26 @@ static void xgbe_enable_mac_interrupts(struct xgbe_prv_data *pdata) XGMAC_IOWRITE_BITS(pdata, MMC_TIER, ALL_INTERRUPTS, 0xffffffff); } -static int xgbe_set_gmii_speed(struct xgbe_prv_data *pdata) +static int xgbe_set_speed(struct xgbe_prv_data *pdata, int speed) { - if (XGMAC_IOREAD_BITS(pdata, MAC_TCR, SS) == 0x3) - return 0; - - XGMAC_IOWRITE_BITS(pdata, MAC_TCR, SS, 0x3); - - return 0; -} - -static int xgbe_set_gmii_2500_speed(struct xgbe_prv_data *pdata) -{ - if (XGMAC_IOREAD_BITS(pdata, MAC_TCR, SS) == 0x2) - return 0; + unsigned int ss; - XGMAC_IOWRITE_BITS(pdata, MAC_TCR, SS, 0x2); - - return 0; -} - -static int xgbe_set_xgmii_speed(struct xgbe_prv_data *pdata) -{ - if (XGMAC_IOREAD_BITS(pdata, MAC_TCR, SS) == 0) - return 0; + switch (speed) { + case SPEED_1000: + ss = 0x03; + break; + case SPEED_2500: + ss = 0x02; + break; + case SPEED_10000: + ss = 0x00; + break; + default: + return -EINVAL; + } - XGMAC_IOWRITE_BITS(pdata, MAC_TCR, SS, 0); + if (XGMAC_IOREAD_BITS(pdata, MAC_TCR, SS) != ss) + XGMAC_IOWRITE_BITS(pdata, MAC_TCR, SS, ss); return 0; } @@ -2469,19 +2463,7 @@ static void xgbe_config_jumbo_enable(struct xgbe_prv_data *pdata) static void xgbe_config_mac_speed(struct xgbe_prv_data *pdata) { - switch (pdata->phy_speed) { - case SPEED_10000: - xgbe_set_xgmii_speed(pdata); - break; - - case SPEED_2500: - xgbe_set_gmii_2500_speed(pdata); - break; - - case SPEED_1000: - xgbe_set_gmii_speed(pdata); - break; - } + xgbe_set_speed(pdata, pdata->phy_speed); } static void xgbe_config_checksum_offload(struct xgbe_prv_data *pdata) @@ -3195,9 +3177,7 @@ void xgbe_init_function_ptrs_dev(struct xgbe_hw_if *hw_if) hw_if->read_mmd_regs = xgbe_read_mmd_regs; hw_if->write_mmd_regs = xgbe_write_mmd_regs; - hw_if->set_gmii_speed = xgbe_set_gmii_speed; - hw_if->set_gmii_2500_speed = xgbe_set_gmii_2500_speed; - hw_if->set_xgmii_speed = xgbe_set_xgmii_speed; + hw_if->set_speed = xgbe_set_speed; hw_if->enable_tx = xgbe_enable_tx; hw_if->disable_tx = xgbe_disable_tx; diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c index c4e668208e04..dd166a003572 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c @@ -778,7 +778,7 @@ static void xgbe_free_rx_data(struct xgbe_prv_data *pdata) DBGPR("<--xgbe_free_rx_data\n"); } -static int xgbe_phy_init(struct xgbe_prv_data *pdata) +static int xgbe_phy_reset(struct xgbe_prv_data *pdata) { pdata->phy_link = -1; pdata->phy_speed = SPEED_UNKNOWN; @@ -1292,8 +1292,8 @@ static int xgbe_open(struct net_device *netdev) DBGPR("-->xgbe_open\n"); - /* Initialize the phy */ - ret = xgbe_phy_init(pdata); + /* Reset the phy settings */ + ret = xgbe_phy_reset(pdata); if (ret) return ret; diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c b/drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c index 4007b429c80c..46c959b994a7 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c @@ -316,24 +316,7 @@ static int xgbe_set_settings(struct net_device *netdev, } if (cmd->autoneg == AUTONEG_DISABLE) { - switch (speed) { - case SPEED_10000: - break; - case SPEED_2500: - if (pdata->speed_set != XGBE_SPEEDSET_2500_10000) { - netdev_err(netdev, "unsupported speed %u\n", - speed); - return -EINVAL; - } - break; - case SPEED_1000: - if (pdata->speed_set != XGBE_SPEEDSET_1000_10000) { - netdev_err(netdev, "unsupported speed %u\n", - speed); - return -EINVAL; - } - break; - default: + if (!pdata->phy_if.phy_valid_speed(pdata, speed)) { netdev_err(netdev, "unsupported speed %u\n", speed); return -EINVAL; } diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-main.c b/drivers/net/ethernet/amd/xgbe/xgbe-main.c index 6997f1110ece..38c5985c52ef 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-main.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-main.c @@ -125,6 +125,7 @@ #include <linux/of_net.h> #include <linux/of_address.h> #include <linux/of_platform.h> +#include <linux/of_device.h> #include <linux/clk.h> #include <linux/property.h> #include <linux/acpi.h> @@ -145,42 +146,6 @@ MODULE_PARM_DESC(debug, " Network interface message level setting"); static const u32 default_msg_level = (NETIF_MSG_LINK | NETIF_MSG_IFDOWN | NETIF_MSG_IFUP); -static const u32 xgbe_serdes_blwc[] = { - XGBE_SPEED_1000_BLWC, - XGBE_SPEED_2500_BLWC, - XGBE_SPEED_10000_BLWC, -}; - -static const u32 xgbe_serdes_cdr_rate[] = { - XGBE_SPEED_1000_CDR, - XGBE_SPEED_2500_CDR, - XGBE_SPEED_10000_CDR, -}; - -static const u32 xgbe_serdes_pq_skew[] = { - XGBE_SPEED_1000_PQ, - XGBE_SPEED_2500_PQ, - XGBE_SPEED_10000_PQ, -}; - -static const u32 xgbe_serdes_tx_amp[] = { - XGBE_SPEED_1000_TXAMP, - XGBE_SPEED_2500_TXAMP, - XGBE_SPEED_10000_TXAMP, -}; - -static const u32 xgbe_serdes_dfe_tap_cfg[] = { - XGBE_SPEED_1000_DFE_TAP_CONFIG, - XGBE_SPEED_2500_DFE_TAP_CONFIG, - XGBE_SPEED_10000_DFE_TAP_CONFIG, -}; - -static const u32 xgbe_serdes_dfe_tap_ena[] = { - XGBE_SPEED_1000_DFE_TAP_ENABLE, - XGBE_SPEED_2500_DFE_TAP_ENABLE, - XGBE_SPEED_10000_DFE_TAP_ENABLE, -}; - static void xgbe_default_config(struct xgbe_prv_data *pdata) { DBGPR("-->xgbe_default_config\n"); @@ -207,9 +172,22 @@ static void xgbe_init_all_fptrs(struct xgbe_prv_data *pdata) xgbe_init_function_ptrs_dev(&pdata->hw_if); xgbe_init_function_ptrs_phy(&pdata->phy_if); xgbe_init_function_ptrs_desc(&pdata->desc_if); + + pdata->vdata->init_function_ptrs_phy_impl(&pdata->phy_if); } #ifdef CONFIG_ACPI +static const struct acpi_device_id xgbe_acpi_match[]; + +static struct xgbe_version_data *xgbe_acpi_vdata(struct xgbe_prv_data *pdata) +{ + const struct acpi_device_id *id; + + id = acpi_match_device(xgbe_acpi_match, pdata->dev); + + return id ? (struct xgbe_version_data *)id->driver_data : NULL; +} + static int xgbe_acpi_support(struct xgbe_prv_data *pdata) { struct device *dev = pdata->dev; @@ -237,6 +215,11 @@ static int xgbe_acpi_support(struct xgbe_prv_data *pdata) return 0; } #else /* CONFIG_ACPI */ +static struct xgbe_version_data *xgbe_acpi_vdata(struct xgbe_prv_data *pdata) +{ + return NULL; +} + static int xgbe_acpi_support(struct xgbe_prv_data *pdata) { return -EINVAL; @@ -244,6 +227,17 @@ static int xgbe_acpi_support(struct xgbe_prv_data *pdata) #endif /* CONFIG_ACPI */ #ifdef CONFIG_OF +static const struct of_device_id xgbe_of_match[]; + +static struct xgbe_version_data *xgbe_of_vdata(struct xgbe_prv_data *pdata) +{ + const struct of_device_id *id; + + id = of_match_device(xgbe_of_match, pdata->dev); + + return id ? (struct xgbe_version_data *)id->data : NULL; +} + static int xgbe_of_support(struct xgbe_prv_data *pdata) { struct device *dev = pdata->dev; @@ -292,6 +286,11 @@ static struct platform_device *xgbe_of_get_phy_pdev(struct xgbe_prv_data *pdata) return phy_pdev; } #else /* CONFIG_OF */ +static struct xgbe_version_data *xgbe_of_vdata(struct xgbe_prv_data *pdata) +{ + return NULL; +} + static int xgbe_of_support(struct xgbe_prv_data *pdata) { return -EINVAL; @@ -333,11 +332,17 @@ static struct platform_device *xgbe_get_phy_pdev(struct xgbe_prv_data *pdata) return phy_pdev; } +static struct xgbe_version_data *xgbe_get_vdata(struct xgbe_prv_data *pdata) +{ + return pdata->use_acpi ? xgbe_acpi_vdata(pdata) + : xgbe_of_vdata(pdata); +} + static int xgbe_probe(struct platform_device *pdev) { struct xgbe_prv_data *pdata; struct net_device *netdev; - struct device *dev = &pdev->dev, *phy_dev; + struct device *dev = &pdev->dev; struct platform_device *phy_pdev; struct resource *res; const char *phy_mode; @@ -374,13 +379,17 @@ static int xgbe_probe(struct platform_device *pdev) /* Check if we should use ACPI or DT */ pdata->use_acpi = dev->of_node ? 0 : 1; + /* Get the version data */ + pdata->vdata = xgbe_get_vdata(pdata); + phy_pdev = xgbe_get_phy_pdev(pdata); if (!phy_pdev) { dev_err(dev, "unable to obtain phy device\n"); ret = -EINVAL; goto err_phydev; } - phy_dev = &phy_pdev->dev; + pdata->phy_pdev = phy_pdev; + pdata->phy_dev = &phy_pdev->dev; if (pdev == phy_pdev) { /* New style device tree or ACPI: @@ -492,115 +501,6 @@ static int xgbe_probe(struct platform_device *pdev) if (device_property_present(dev, XGBE_DMA_IRQS_PROPERTY)) pdata->per_channel_irq = 1; - /* Retrieve the PHY speedset */ - ret = device_property_read_u32(phy_dev, XGBE_SPEEDSET_PROPERTY, - &pdata->speed_set); - if (ret) { - dev_err(dev, "invalid %s property\n", XGBE_SPEEDSET_PROPERTY); - goto err_io; - } - - switch (pdata->speed_set) { - case XGBE_SPEEDSET_1000_10000: - case XGBE_SPEEDSET_2500_10000: - break; - default: - dev_err(dev, "invalid %s property\n", XGBE_SPEEDSET_PROPERTY); - ret = -EINVAL; - goto err_io; - } - - /* Retrieve the PHY configuration properties */ - if (device_property_present(phy_dev, XGBE_BLWC_PROPERTY)) { - ret = device_property_read_u32_array(phy_dev, - XGBE_BLWC_PROPERTY, - pdata->serdes_blwc, - XGBE_SPEEDS); - if (ret) { - dev_err(dev, "invalid %s property\n", - XGBE_BLWC_PROPERTY); - goto err_io; - } - } else { - memcpy(pdata->serdes_blwc, xgbe_serdes_blwc, - sizeof(pdata->serdes_blwc)); - } - - if (device_property_present(phy_dev, XGBE_CDR_RATE_PROPERTY)) { - ret = device_property_read_u32_array(phy_dev, - XGBE_CDR_RATE_PROPERTY, - pdata->serdes_cdr_rate, - XGBE_SPEEDS); - if (ret) { - dev_err(dev, "invalid %s property\n", - XGBE_CDR_RATE_PROPERTY); - goto err_io; - } - } else { - memcpy(pdata->serdes_cdr_rate, xgbe_serdes_cdr_rate, - sizeof(pdata->serdes_cdr_rate)); - } - - if (device_property_present(phy_dev, XGBE_PQ_SKEW_PROPERTY)) { - ret = device_property_read_u32_array(phy_dev, - XGBE_PQ_SKEW_PROPERTY, - pdata->serdes_pq_skew, - XGBE_SPEEDS); - if (ret) { - dev_err(dev, "invalid %s property\n", - XGBE_PQ_SKEW_PROPERTY); - goto err_io; - } - } else { - memcpy(pdata->serdes_pq_skew, xgbe_serdes_pq_skew, - sizeof(pdata->serdes_pq_skew)); - } - - if (device_property_present(phy_dev, XGBE_TX_AMP_PROPERTY)) { - ret = device_property_read_u32_array(phy_dev, - XGBE_TX_AMP_PROPERTY, - pdata->serdes_tx_amp, - XGBE_SPEEDS); - if (ret) { - dev_err(dev, "invalid %s property\n", - XGBE_TX_AMP_PROPERTY); - goto err_io; - } - } else { - memcpy(pdata->serdes_tx_amp, xgbe_serdes_tx_amp, - sizeof(pdata->serdes_tx_amp)); - } - - if (device_property_present(phy_dev, XGBE_DFE_CFG_PROPERTY)) { - ret = device_property_read_u32_array(phy_dev, - XGBE_DFE_CFG_PROPERTY, - pdata->serdes_dfe_tap_cfg, - XGBE_SPEEDS); - if (ret) { - dev_err(dev, "invalid %s property\n", - XGBE_DFE_CFG_PROPERTY); - goto err_io; - } - } else { - memcpy(pdata->serdes_dfe_tap_cfg, xgbe_serdes_dfe_tap_cfg, - sizeof(pdata->serdes_dfe_tap_cfg)); - } - - if (device_property_present(phy_dev, XGBE_DFE_ENA_PROPERTY)) { - ret = device_property_read_u32_array(phy_dev, - XGBE_DFE_ENA_PROPERTY, - pdata->serdes_dfe_tap_ena, - XGBE_SPEEDS); - if (ret) { - dev_err(dev, "invalid %s property\n", - XGBE_DFE_ENA_PROPERTY); - goto err_io; - } - } else { - memcpy(pdata->serdes_dfe_tap_ena, xgbe_serdes_dfe_tap_ena, - sizeof(pdata->serdes_dfe_tap_ena)); - } - /* Obtain device settings unique to ACPI/OF */ if (pdata->use_acpi) ret = xgbe_acpi_support(pdata); @@ -705,7 +605,9 @@ static int xgbe_probe(struct platform_device *pdev) XGMAC_SET_BITS(pdata->rss_options, MAC_RSSCR, UDP4TE, 1); /* Call MDIO/PHY initialization routine */ - pdata->phy_if.phy_init(pdata); + ret = pdata->phy_if.phy_init(pdata); + if (ret) + goto err_io; /* Set device operations */ netdev->netdev_ops = xgbe_get_netdev_ops(); @@ -780,8 +682,6 @@ static int xgbe_probe(struct platform_device *pdev) xgbe_debugfs_init(pdata); - platform_device_put(phy_pdev); - netdev_notice(netdev, "net device enabled\n"); DBGPR("<-- xgbe_probe\n"); @@ -817,6 +717,8 @@ static int xgbe_remove(struct platform_device *pdev) xgbe_ptp_unregister(pdata); + pdata->phy_if.phy_exit(pdata); + flush_workqueue(pdata->an_workqueue); destroy_workqueue(pdata->an_workqueue); @@ -825,6 +727,8 @@ static int xgbe_remove(struct platform_device *pdev) unregister_netdev(netdev); + platform_device_put(pdata->phy_pdev); + free_netdev(netdev); DBGPR("<--xgbe_remove\n"); @@ -879,9 +783,14 @@ static int xgbe_resume(struct device *dev) } #endif /* CONFIG_PM */ +static const struct xgbe_version_data xgbe_v1 = { + .init_function_ptrs_phy_impl = xgbe_init_function_ptrs_phy_v1, +}; + #ifdef CONFIG_ACPI static const struct acpi_device_id xgbe_acpi_match[] = { - { "AMDI8001", 0 }, + { .id = "AMDI8001", + .driver_data = (kernel_ulong_t)&xgbe_v1 }, {}, }; @@ -890,7 +799,8 @@ MODULE_DEVICE_TABLE(acpi, xgbe_acpi_match); #ifdef CONFIG_OF static const struct of_device_id xgbe_of_match[] = { - { .compatible = "amd,xgbe-seattle-v1a", }, + { .compatible = "amd,xgbe-seattle-v1a", + .data = &xgbe_v1 }, {}, }; diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c b/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c index e9b01fc88098..35c302f7889c 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c @@ -145,280 +145,91 @@ static void xgbe_an_disable_kr_training(struct xgbe_prv_data *pdata) XMDIO_WRITE(pdata, MDIO_MMD_PMAPMD, MDIO_PMA_10GBR_PMD_CTRL, reg); } -static void xgbe_pcs_power_cycle(struct xgbe_prv_data *pdata) +static void xgbe_kr_mode(struct xgbe_prv_data *pdata) { - unsigned int reg; - - reg = XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_CTRL1); - - reg |= MDIO_CTRL1_LPOWER; - XMDIO_WRITE(pdata, MDIO_MMD_PCS, MDIO_CTRL1, reg); - - usleep_range(75, 100); - - reg &= ~MDIO_CTRL1_LPOWER; - XMDIO_WRITE(pdata, MDIO_MMD_PCS, MDIO_CTRL1, reg); -} - -static void xgbe_serdes_start_ratechange(struct xgbe_prv_data *pdata) -{ - /* Assert Rx and Tx ratechange */ - XSIR1_IOWRITE_BITS(pdata, SIR1_SPEED, RATECHANGE, 1); -} - -static void xgbe_serdes_complete_ratechange(struct xgbe_prv_data *pdata) -{ - unsigned int wait; - u16 status; - - /* Release Rx and Tx ratechange */ - XSIR1_IOWRITE_BITS(pdata, SIR1_SPEED, RATECHANGE, 0); - - /* Wait for Rx and Tx ready */ - wait = XGBE_RATECHANGE_COUNT; - while (wait--) { - usleep_range(50, 75); - - status = XSIR0_IOREAD(pdata, SIR0_STATUS); - if (XSIR_GET_BITS(status, SIR0_STATUS, RX_READY) && - XSIR_GET_BITS(status, SIR0_STATUS, TX_READY)) - goto rx_reset; - } - - netif_dbg(pdata, link, pdata->netdev, "SerDes rx/tx not ready (%#hx)\n", - status); - -rx_reset: - /* Perform Rx reset for the DFE changes */ - XRXTX_IOWRITE_BITS(pdata, RXTX_REG6, RESETB_RXD, 0); - XRXTX_IOWRITE_BITS(pdata, RXTX_REG6, RESETB_RXD, 1); -} - -static void xgbe_xgmii_mode(struct xgbe_prv_data *pdata) -{ - unsigned int reg; - /* Enable KR training */ xgbe_an_enable_kr_training(pdata); /* Set MAC to 10G speed */ - pdata->hw_if.set_xgmii_speed(pdata); - - /* Set PCS to KR/10G speed */ - reg = XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_CTRL2); - reg &= ~MDIO_PCS_CTRL2_TYPE; - reg |= MDIO_PCS_CTRL2_10GBR; - XMDIO_WRITE(pdata, MDIO_MMD_PCS, MDIO_CTRL2, reg); - - reg = XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_CTRL1); - reg &= ~MDIO_CTRL1_SPEEDSEL; - reg |= MDIO_CTRL1_SPEED10G; - XMDIO_WRITE(pdata, MDIO_MMD_PCS, MDIO_CTRL1, reg); - - xgbe_pcs_power_cycle(pdata); - - /* Set SerDes to 10G speed */ - xgbe_serdes_start_ratechange(pdata); - - XSIR1_IOWRITE_BITS(pdata, SIR1_SPEED, DATARATE, XGBE_SPEED_10000_RATE); - XSIR1_IOWRITE_BITS(pdata, SIR1_SPEED, WORDMODE, XGBE_SPEED_10000_WORD); - XSIR1_IOWRITE_BITS(pdata, SIR1_SPEED, PLLSEL, XGBE_SPEED_10000_PLL); - - XSIR1_IOWRITE_BITS(pdata, SIR1_SPEED, CDR_RATE, - pdata->serdes_cdr_rate[XGBE_SPEED_10000]); - XSIR1_IOWRITE_BITS(pdata, SIR1_SPEED, TXAMP, - pdata->serdes_tx_amp[XGBE_SPEED_10000]); - XRXTX_IOWRITE_BITS(pdata, RXTX_REG20, BLWC_ENA, - pdata->serdes_blwc[XGBE_SPEED_10000]); - XRXTX_IOWRITE_BITS(pdata, RXTX_REG114, PQ_REG, - pdata->serdes_pq_skew[XGBE_SPEED_10000]); - XRXTX_IOWRITE_BITS(pdata, RXTX_REG129, RXDFE_CONFIG, - pdata->serdes_dfe_tap_cfg[XGBE_SPEED_10000]); - XRXTX_IOWRITE(pdata, RXTX_REG22, - pdata->serdes_dfe_tap_ena[XGBE_SPEED_10000]); - - xgbe_serdes_complete_ratechange(pdata); - - netif_dbg(pdata, link, pdata->netdev, "10GbE KR mode set\n"); + pdata->hw_if.set_speed(pdata, SPEED_10000); + + /* Call PHY implementation support to complete rate change */ + pdata->phy_if.phy_impl.set_mode(pdata, XGBE_MODE_KR); } -static void xgbe_gmii_2500_mode(struct xgbe_prv_data *pdata) +static void xgbe_kx_2500_mode(struct xgbe_prv_data *pdata) { - unsigned int reg; - /* Disable KR training */ xgbe_an_disable_kr_training(pdata); /* Set MAC to 2.5G speed */ - pdata->hw_if.set_gmii_2500_speed(pdata); - - /* Set PCS to KX/1G speed */ - reg = XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_CTRL2); - reg &= ~MDIO_PCS_CTRL2_TYPE; - reg |= MDIO_PCS_CTRL2_10GBX; - XMDIO_WRITE(pdata, MDIO_MMD_PCS, MDIO_CTRL2, reg); - - reg = XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_CTRL1); - reg &= ~MDIO_CTRL1_SPEEDSEL; - reg |= MDIO_CTRL1_SPEED1G; - XMDIO_WRITE(pdata, MDIO_MMD_PCS, MDIO_CTRL1, reg); - - xgbe_pcs_power_cycle(pdata); - - /* Set SerDes to 2.5G speed */ - xgbe_serdes_start_ratechange(pdata); - - XSIR1_IOWRITE_BITS(pdata, SIR1_SPEED, DATARATE, XGBE_SPEED_2500_RATE); - XSIR1_IOWRITE_BITS(pdata, SIR1_SPEED, WORDMODE, XGBE_SPEED_2500_WORD); - XSIR1_IOWRITE_BITS(pdata, SIR1_SPEED, PLLSEL, XGBE_SPEED_2500_PLL); - - XSIR1_IOWRITE_BITS(pdata, SIR1_SPEED, CDR_RATE, - pdata->serdes_cdr_rate[XGBE_SPEED_2500]); - XSIR1_IOWRITE_BITS(pdata, SIR1_SPEED, TXAMP, - pdata->serdes_tx_amp[XGBE_SPEED_2500]); - XRXTX_IOWRITE_BITS(pdata, RXTX_REG20, BLWC_ENA, - pdata->serdes_blwc[XGBE_SPEED_2500]); - XRXTX_IOWRITE_BITS(pdata, RXTX_REG114, PQ_REG, - pdata->serdes_pq_skew[XGBE_SPEED_2500]); - XRXTX_IOWRITE_BITS(pdata, RXTX_REG129, RXDFE_CONFIG, - pdata->serdes_dfe_tap_cfg[XGBE_SPEED_2500]); - XRXTX_IOWRITE(pdata, RXTX_REG22, - pdata->serdes_dfe_tap_ena[XGBE_SPEED_2500]); - - xgbe_serdes_complete_ratechange(pdata); - - netif_dbg(pdata, link, pdata->netdev, "2.5GbE KX mode set\n"); + pdata->hw_if.set_speed(pdata, SPEED_2500); + + /* Call PHY implementation support to complete rate change */ + pdata->phy_if.phy_impl.set_mode(pdata, XGBE_MODE_KX_2500); } -static void xgbe_gmii_mode(struct xgbe_prv_data *pdata) +static void xgbe_kx_1000_mode(struct xgbe_prv_data *pdata) { - unsigned int reg; - /* Disable KR training */ xgbe_an_disable_kr_training(pdata); /* Set MAC to 1G speed */ - pdata->hw_if.set_gmii_speed(pdata); - - /* Set PCS to KX/1G speed */ - reg = XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_CTRL2); - reg &= ~MDIO_PCS_CTRL2_TYPE; - reg |= MDIO_PCS_CTRL2_10GBX; - XMDIO_WRITE(pdata, MDIO_MMD_PCS, MDIO_CTRL2, reg); - - reg = XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_CTRL1); - reg &= ~MDIO_CTRL1_SPEEDSEL; - reg |= MDIO_CTRL1_SPEED1G; - XMDIO_WRITE(pdata, MDIO_MMD_PCS, MDIO_CTRL1, reg); - - xgbe_pcs_power_cycle(pdata); - - /* Set SerDes to 1G speed */ - xgbe_serdes_start_ratechange(pdata); - - XSIR1_IOWRITE_BITS(pdata, SIR1_SPEED, DATARATE, XGBE_SPEED_1000_RATE); - XSIR1_IOWRITE_BITS(pdata, SIR1_SPEED, WORDMODE, XGBE_SPEED_1000_WORD); - XSIR1_IOWRITE_BITS(pdata, SIR1_SPEED, PLLSEL, XGBE_SPEED_1000_PLL); - - XSIR1_IOWRITE_BITS(pdata, SIR1_SPEED, CDR_RATE, - pdata->serdes_cdr_rate[XGBE_SPEED_1000]); - XSIR1_IOWRITE_BITS(pdata, SIR1_SPEED, TXAMP, - pdata->serdes_tx_amp[XGBE_SPEED_1000]); - XRXTX_IOWRITE_BITS(pdata, RXTX_REG20, BLWC_ENA, - pdata->serdes_blwc[XGBE_SPEED_1000]); - XRXTX_IOWRITE_BITS(pdata, RXTX_REG114, PQ_REG, - pdata->serdes_pq_skew[XGBE_SPEED_1000]); - XRXTX_IOWRITE_BITS(pdata, RXTX_REG129, RXDFE_CONFIG, - pdata->serdes_dfe_tap_cfg[XGBE_SPEED_1000]); - XRXTX_IOWRITE(pdata, RXTX_REG22, - pdata->serdes_dfe_tap_ena[XGBE_SPEED_1000]); - - xgbe_serdes_complete_ratechange(pdata); - - netif_dbg(pdata, link, pdata->netdev, "1GbE KX mode set\n"); + pdata->hw_if.set_speed(pdata, SPEED_1000); + + /* Call PHY implementation support to complete rate change */ + pdata->phy_if.phy_impl.set_mode(pdata, XGBE_MODE_KX_1000); } -static void xgbe_cur_mode(struct xgbe_prv_data *pdata, - enum xgbe_mode *mode) +static enum xgbe_mode xgbe_cur_mode(struct xgbe_prv_data *pdata) { - unsigned int reg; - - reg = XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_CTRL2); - if ((reg & MDIO_PCS_CTRL2_TYPE) == MDIO_PCS_CTRL2_10GBR) - *mode = XGBE_MODE_KR; - else - *mode = XGBE_MODE_KX; + return pdata->phy_if.phy_impl.cur_mode(pdata); } static bool xgbe_in_kr_mode(struct xgbe_prv_data *pdata) { - enum xgbe_mode mode; - - xgbe_cur_mode(pdata, &mode); - - return (mode == XGBE_MODE_KR); + return (xgbe_cur_mode(pdata) == XGBE_MODE_KR); } -static void xgbe_switch_mode(struct xgbe_prv_data *pdata) +static void xgbe_change_mode(struct xgbe_prv_data *pdata, + enum xgbe_mode mode) { - /* If we are in KR switch to KX, and vice-versa */ - if (xgbe_in_kr_mode(pdata)) { - if (pdata->speed_set == XGBE_SPEEDSET_1000_10000) - xgbe_gmii_mode(pdata); - else - xgbe_gmii_2500_mode(pdata); - } else { - xgbe_xgmii_mode(pdata); + switch (mode) { + case XGBE_MODE_KX_1000: + xgbe_kx_1000_mode(pdata); + break; + case XGBE_MODE_KX_2500: + xgbe_kx_2500_mode(pdata); + break; + case XGBE_MODE_KR: + xgbe_kr_mode(pdata); + break; + case XGBE_MODE_UNKNOWN: + break; + default: + netif_dbg(pdata, link, pdata->netdev, + "invalid operation mode requested (%u)\n", mode); } } -static void xgbe_set_mode(struct xgbe_prv_data *pdata, - enum xgbe_mode mode) -{ - enum xgbe_mode cur_mode; - - xgbe_cur_mode(pdata, &cur_mode); - if (mode != cur_mode) - xgbe_switch_mode(pdata); -} - -static bool xgbe_use_xgmii_mode(struct xgbe_prv_data *pdata) +static void xgbe_switch_mode(struct xgbe_prv_data *pdata) { - if (pdata->phy.autoneg == AUTONEG_ENABLE) { - if (pdata->phy.advertising & ADVERTISED_10000baseKR_Full) - return true; - } else { - if (pdata->phy.speed == SPEED_10000) - return true; - } - - return false; + xgbe_change_mode(pdata, pdata->phy_if.phy_impl.switch_mode(pdata)); } -static bool xgbe_use_gmii_2500_mode(struct xgbe_prv_data *pdata) +static void xgbe_set_mode(struct xgbe_prv_data *pdata, + enum xgbe_mode mode) { - if (pdata->phy.autoneg == AUTONEG_ENABLE) { - if (pdata->phy.advertising & ADVERTISED_2500baseX_Full) - return true; - } else { - if (pdata->phy.speed == SPEED_2500) - return true; - } + if (mode == xgbe_cur_mode(pdata)) + return; - return false; + xgbe_change_mode(pdata, mode); } -static bool xgbe_use_gmii_mode(struct xgbe_prv_data *pdata) +static bool xgbe_use_mode(struct xgbe_prv_data *pdata, + enum xgbe_mode mode) { - if (pdata->phy.autoneg == AUTONEG_ENABLE) { - if (pdata->phy.advertising & ADVERTISED_1000baseKX_Full) - return true; - } else { - if (pdata->phy.speed == SPEED_1000) - return true; - } - - return false; + return pdata->phy_if.phy_impl.use_mode(pdata, mode); } static void xgbe_set_an(struct xgbe_prv_data *pdata, bool enable, bool restart) @@ -476,13 +287,15 @@ static enum xgbe_an xgbe_an_tx_training(struct xgbe_prv_data *pdata, /* Start KR training */ reg = XMDIO_READ(pdata, MDIO_MMD_PMAPMD, MDIO_PMA_10GBR_PMD_CTRL); if (reg & XGBE_KR_TRAINING_ENABLE) { - XSIR0_IOWRITE_BITS(pdata, SIR0_KR_RT_1, RESET, 1); + if (pdata->phy_if.phy_impl.kr_training_pre) + pdata->phy_if.phy_impl.kr_training_pre(pdata); reg |= XGBE_KR_TRAINING_START; XMDIO_WRITE(pdata, MDIO_MMD_PMAPMD, MDIO_PMA_10GBR_PMD_CTRL, reg); - XSIR0_IOWRITE_BITS(pdata, SIR0_KR_RT_1, RESET, 0); + if (pdata->phy_if.phy_impl.kr_training_post) + pdata->phy_if.phy_impl.kr_training_post(pdata); netif_dbg(pdata, link, pdata->netdev, "KR training initiated\n"); @@ -571,7 +384,7 @@ static enum xgbe_an xgbe_an_page_received(struct xgbe_prv_data *pdata) } state = xgbe_in_kr_mode(pdata) ? &pdata->kr_state - : &pdata->kx_state; + : &pdata->kx_state; switch (*state) { case XGBE_RX_BPA: @@ -907,24 +720,28 @@ static void xgbe_phy_adjust_link(struct xgbe_prv_data *pdata) xgbe_phy_print_status(pdata); } +static bool xgbe_phy_valid_speed(struct xgbe_prv_data *pdata, int speed) +{ + return pdata->phy_if.phy_impl.valid_speed(pdata, speed); +} + static int xgbe_phy_config_fixed(struct xgbe_prv_data *pdata) { + enum xgbe_mode mode; + netif_dbg(pdata, link, pdata->netdev, "fixed PHY configuration\n"); /* Disable auto-negotiation */ xgbe_disable_an(pdata); - /* Validate/Set specified speed */ - switch (pdata->phy.speed) { - case SPEED_10000: - xgbe_set_mode(pdata, XGBE_MODE_KR); - break; - - case SPEED_2500: - case SPEED_1000: - xgbe_set_mode(pdata, XGBE_MODE_KX); + /* Set specified mode for specified speed */ + mode = pdata->phy_if.phy_impl.get_mode(pdata, pdata->phy.speed); + switch (mode) { + case XGBE_MODE_KX_1000: + case XGBE_MODE_KX_2500: + case XGBE_MODE_KR: break; - + case XGBE_MODE_UNKNOWN: default: return -EINVAL; } @@ -933,6 +750,8 @@ static int xgbe_phy_config_fixed(struct xgbe_prv_data *pdata) if (pdata->phy.duplex != DUPLEX_FULL) return -EINVAL; + xgbe_set_mode(pdata, mode); + return 0; } @@ -950,11 +769,12 @@ static int __xgbe_phy_config_aneg(struct xgbe_prv_data *pdata) disable_irq(pdata->an_irq); /* Start auto-negotiation in a supported mode */ - if (pdata->phy.advertising & ADVERTISED_10000baseKR_Full) { + if (xgbe_use_mode(pdata, XGBE_MODE_KR)) { xgbe_set_mode(pdata, XGBE_MODE_KR); - } else if ((pdata->phy.advertising & ADVERTISED_1000baseKX_Full) || - (pdata->phy.advertising & ADVERTISED_2500baseX_Full)) { - xgbe_set_mode(pdata, XGBE_MODE_KX); + } else if (xgbe_use_mode(pdata, XGBE_MODE_KX_2500)) { + xgbe_set_mode(pdata, XGBE_MODE_KX_2500); + } else if (xgbe_use_mode(pdata, XGBE_MODE_KX_1000)) { + xgbe_set_mode(pdata, XGBE_MODE_KX_1000); } else { enable_irq(pdata->an_irq); return -EINVAL; @@ -1016,108 +836,45 @@ static void xgbe_check_link_timeout(struct xgbe_prv_data *pdata) } } -static void xgbe_phy_status_force(struct xgbe_prv_data *pdata) +static enum xgbe_mode xgbe_phy_status_aneg(struct xgbe_prv_data *pdata) { - if (xgbe_in_kr_mode(pdata)) { - pdata->phy.speed = SPEED_10000; - } else { - switch (pdata->speed_set) { - case XGBE_SPEEDSET_1000_10000: - pdata->phy.speed = SPEED_1000; - break; - - case XGBE_SPEEDSET_2500_10000: - pdata->phy.speed = SPEED_2500; - break; - } - } - pdata->phy.duplex = DUPLEX_FULL; + return pdata->phy_if.phy_impl.an_outcome(pdata); } -static void xgbe_phy_status_aneg(struct xgbe_prv_data *pdata) +static void xgbe_phy_status_result(struct xgbe_prv_data *pdata) { - unsigned int ad_reg, lp_reg; + enum xgbe_mode mode; pdata->phy.lp_advertising = 0; if ((pdata->phy.autoneg != AUTONEG_ENABLE) || pdata->parallel_detect) - return xgbe_phy_status_force(pdata); - - pdata->phy.lp_advertising |= ADVERTISED_Autoneg; - pdata->phy.lp_advertising |= ADVERTISED_Backplane; - - /* Compare Advertisement and Link Partner register 1 */ - ad_reg = XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_ADVERTISE); - lp_reg = XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_LPA); - if (lp_reg & 0x400) - pdata->phy.lp_advertising |= ADVERTISED_Pause; - if (lp_reg & 0x800) - pdata->phy.lp_advertising |= ADVERTISED_Asym_Pause; - - if (pdata->phy.pause_autoneg) { - /* Set flow control based on auto-negotiation result */ - pdata->phy.tx_pause = 0; - pdata->phy.rx_pause = 0; - - if (ad_reg & lp_reg & 0x400) { - pdata->phy.tx_pause = 1; - pdata->phy.rx_pause = 1; - } else if (ad_reg & lp_reg & 0x800) { - if (ad_reg & 0x400) - pdata->phy.rx_pause = 1; - else if (lp_reg & 0x400) - pdata->phy.tx_pause = 1; - } - } - - /* Compare Advertisement and Link Partner register 2 */ - ad_reg = XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_ADVERTISE + 1); - lp_reg = XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_LPA + 1); - if (lp_reg & 0x80) - pdata->phy.lp_advertising |= ADVERTISED_10000baseKR_Full; - if (lp_reg & 0x20) { - switch (pdata->speed_set) { - case XGBE_SPEEDSET_1000_10000: - pdata->phy.lp_advertising |= ADVERTISED_1000baseKX_Full; - break; - case XGBE_SPEEDSET_2500_10000: - pdata->phy.lp_advertising |= ADVERTISED_2500baseX_Full; - break; - } - } + mode = xgbe_cur_mode(pdata); + else + mode = xgbe_phy_status_aneg(pdata); - ad_reg &= lp_reg; - if (ad_reg & 0x80) { + switch (mode) { + case XGBE_MODE_KX_1000: + pdata->phy.speed = SPEED_1000; + break; + case XGBE_MODE_KX_2500: + pdata->phy.speed = SPEED_2500; + break; + case XGBE_MODE_KR: pdata->phy.speed = SPEED_10000; - xgbe_set_mode(pdata, XGBE_MODE_KR); - } else if (ad_reg & 0x20) { - switch (pdata->speed_set) { - case XGBE_SPEEDSET_1000_10000: - pdata->phy.speed = SPEED_1000; - break; - - case XGBE_SPEEDSET_2500_10000: - pdata->phy.speed = SPEED_2500; - break; - } - - xgbe_set_mode(pdata, XGBE_MODE_KX); - } else { + break; + case XGBE_MODE_UNKNOWN: + default: pdata->phy.speed = SPEED_UNKNOWN; } - /* Compare Advertisement and Link Partner register 3 */ - ad_reg = XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_ADVERTISE + 2); - lp_reg = XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_LPA + 2); - if (lp_reg & 0xc000) - pdata->phy.lp_advertising |= ADVERTISED_10000baseR_FEC; - pdata->phy.duplex = DUPLEX_FULL; + + xgbe_set_mode(pdata, mode); } static void xgbe_phy_status(struct xgbe_prv_data *pdata) { - unsigned int reg, link_aneg; + unsigned int link_aneg; if (test_bit(XGBE_LINK_ERR, &pdata->dev_state)) { netif_carrier_off(pdata->netdev); @@ -1128,20 +885,14 @@ static void xgbe_phy_status(struct xgbe_prv_data *pdata) link_aneg = (pdata->phy.autoneg == AUTONEG_ENABLE); - /* Get the link status. Link status is latched low, so read - * once to clear and then read again to get current state - */ - reg = XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_STAT1); - reg = XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_STAT1); - pdata->phy.link = (reg & MDIO_STAT1_LSTATUS) ? 1 : 0; |