diff options
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c | 332 |
1 files changed, 7 insertions, 325 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c index fe2c9fa6a71c..3fb21f7ac9fb 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c @@ -15,49 +15,10 @@ #include "stmmac.h" -/* - * This struct is used to associate PCI Function of MAC controller on a board, - * discovered via DMI, with the address of PHY connected to the MAC. The - * negative value of the address means that MAC controller is not connected - * with PHY. - */ -struct stmmac_pci_func_data { - unsigned int func; - int phy_addr; -}; - -struct stmmac_pci_dmi_data { - const struct stmmac_pci_func_data *func; - size_t nfuncs; -}; - struct stmmac_pci_info { int (*setup)(struct pci_dev *pdev, struct plat_stmmacenet_data *plat); }; -static int stmmac_pci_find_phy_addr(struct pci_dev *pdev, - const struct dmi_system_id *dmi_list) -{ - const struct stmmac_pci_func_data *func_data; - const struct stmmac_pci_dmi_data *dmi_data; - const struct dmi_system_id *dmi_id; - int func = PCI_FUNC(pdev->devfn); - size_t n; - - dmi_id = dmi_first_match(dmi_list); - if (!dmi_id) - return -ENODEV; - - dmi_data = dmi_id->driver_data; - func_data = dmi_data->func; - - for (n = 0; n < dmi_data->nfuncs; n++, func_data++) - if (func_data->func == func) - return func_data->phy_addr; - - return -ENODEV; -} - static void common_default_data(struct plat_stmmacenet_data *plat) { plat->clk_csr = 2; /* clk_csr_i = 20-35MHz & MDC = clk_csr_i/16 */ @@ -108,272 +69,6 @@ static const struct stmmac_pci_info stmmac_pci_info = { .setup = stmmac_default_data, }; -static int intel_mgbe_common_data(struct pci_dev *pdev, - struct plat_stmmacenet_data *plat) -{ - int i; - - plat->clk_csr = 5; - plat->has_gmac = 0; - plat->has_gmac4 = 1; - plat->force_sf_dma_mode = 0; - plat->tso_en = 1; - - plat->rx_sched_algorithm = MTL_RX_ALGORITHM_SP; - - for (i = 0; i < plat->rx_queues_to_use; i++) { - plat->rx_queues_cfg[i].mode_to_use = MTL_QUEUE_DCB; - plat->rx_queues_cfg[i].chan = i; - - /* Disable Priority config by default */ - plat->rx_queues_cfg[i].use_prio = false; - - /* Disable RX queues routing by default */ - plat->rx_queues_cfg[i].pkt_route = 0x0; - } - - for (i = 0; i < plat->tx_queues_to_use; i++) { - plat->tx_queues_cfg[i].mode_to_use = MTL_QUEUE_DCB; - - /* Disable Priority config by default */ - plat->tx_queues_cfg[i].use_prio = false; - } - - /* FIFO size is 4096 bytes for 1 tx/rx queue */ - plat->tx_fifo_size = plat->tx_queues_to_use * 4096; - plat->rx_fifo_size = plat->rx_queues_to_use * 4096; - - plat->tx_sched_algorithm = MTL_TX_ALGORITHM_WRR; - plat->tx_queues_cfg[0].weight = 0x09; - plat->tx_queues_cfg[1].weight = 0x0A; - plat->tx_queues_cfg[2].weight = 0x0B; - plat->tx_queues_cfg[3].weight = 0x0C; - plat->tx_queues_cfg[4].weight = 0x0D; - plat->tx_queues_cfg[5].weight = 0x0E; - plat->tx_queues_cfg[6].weight = 0x0F; - plat->tx_queues_cfg[7].weight = 0x10; - - plat->dma_cfg->pbl = 32; - plat->dma_cfg->pblx8 = true; - plat->dma_cfg->fixed_burst = 0; - plat->dma_cfg->mixed_burst = 0; - plat->dma_cfg->aal = 0; - - plat->axi = devm_kzalloc(&pdev->dev, sizeof(*plat->axi), - GFP_KERNEL); - if (!plat->axi) - return -ENOMEM; - - plat->axi->axi_lpi_en = 0; - plat->axi->axi_xit_frm = 0; - plat->axi->axi_wr_osr_lmt = 1; - plat->axi->axi_rd_osr_lmt = 1; - plat->axi->axi_blen[0] = 4; - plat->axi->axi_blen[1] = 8; - plat->axi->axi_blen[2] = 16; - - plat->ptp_max_adj = plat->clk_ptp_rate; - - /* Set system clock */ - plat->stmmac_clk = clk_register_fixed_rate(&pdev->dev, - "stmmac-clk", NULL, 0, - plat->clk_ptp_rate); - - if (IS_ERR(plat->stmmac_clk)) { - dev_warn(&pdev->dev, "Fail to register stmmac-clk\n"); - plat->stmmac_clk = NULL; - } - clk_prepare_enable(plat->stmmac_clk); - - /* Set default value for multicast hash bins */ - plat->multicast_filter_bins = HASH_TABLE_SIZE; - - /* Set default value for unicast filter entries */ - plat->unicast_filter_entries = 1; - - /* Set the maxmtu to a default of JUMBO_LEN */ - plat->maxmtu = JUMBO_LEN; - - return 0; -} - -static int ehl_common_data(struct pci_dev *pdev, - struct plat_stmmacenet_data *plat) -{ - int ret; - - plat->rx_queues_to_use = 8; - plat->tx_queues_to_use = 8; - plat->clk_ptp_rate = 200000000; - ret = intel_mgbe_common_data(pdev, plat); - if (ret) - return ret; - - return 0; -} - -static int ehl_sgmii_data(struct pci_dev *pdev, - struct plat_stmmacenet_data *plat) -{ - plat->bus_id = 1; - plat->phy_addr = 0; - plat->phy_interface = PHY_INTERFACE_MODE_SGMII; - - return ehl_common_data(pdev, plat); -} - -static struct stmmac_pci_info ehl_sgmii1g_pci_info = { - .setup = ehl_sgmii_data, -}; - -static int ehl_rgmii_data(struct pci_dev *pdev, - struct plat_stmmacenet_data *plat) -{ - plat->bus_id = 1; - plat->phy_addr = 0; - plat->phy_interface = PHY_INTERFACE_MODE_RGMII; - - return ehl_common_data(pdev, plat); -} - -static struct stmmac_pci_info ehl_rgmii1g_pci_info = { - .setup = ehl_rgmii_data, -}; - -static int tgl_common_data(struct pci_dev *pdev, - struct plat_stmmacenet_data *plat) -{ - int ret; - - plat->rx_queues_to_use = 6; - plat->tx_queues_to_use = 4; - plat->clk_ptp_rate = 200000000; - ret = intel_mgbe_common_data(pdev, plat); - if (ret) - return ret; - - return 0; -} - -static int tgl_sgmii_data(struct pci_dev *pdev, - struct plat_stmmacenet_data *plat) -{ - plat->bus_id = 1; - plat->phy_addr = 0; - plat->phy_interface = PHY_INTERFACE_MODE_SGMII; - return tgl_common_data(pdev, plat); -} - -static struct stmmac_pci_info tgl_sgmii1g_pci_info = { - .setup = tgl_sgmii_data, -}; - -static const struct stmmac_pci_func_data galileo_stmmac_func_data[] = { - { - .func = 6, - .phy_addr = 1, - }, -}; - -static const struct stmmac_pci_dmi_data galileo_stmmac_dmi_data = { - .func = galileo_stmmac_func_data, - .nfuncs = ARRAY_SIZE(galileo_stmmac_func_data), -}; - -static const struct stmmac_pci_func_data iot2040_stmmac_func_data[] = { - { - .func = 6, - .phy_addr = 1, - }, - { - .func = 7, - .phy_addr = 1, - }, -}; - -static const struct stmmac_pci_dmi_data iot2040_stmmac_dmi_data = { - .func = iot2040_stmmac_func_data, - .nfuncs = ARRAY_SIZE(iot2040_stmmac_func_data), -}; - -static const struct dmi_system_id quark_pci_dmi[] = { - { - .matches = { - DMI_EXACT_MATCH(DMI_BOARD_NAME, "Galileo"), - }, - .driver_data = (void *)&galileo_stmmac_dmi_data, - }, - { - .matches = { - DMI_EXACT_MATCH(DMI_BOARD_NAME, "GalileoGen2"), - }, - .driver_data = (void *)&galileo_stmmac_dmi_data, - }, - /* - * There are 2 types of SIMATIC IOT2000: IOT2020 and IOT2040. - * The asset tag "6ES7647-0AA00-0YA2" is only for IOT2020 which - * has only one pci network device while other asset tags are - * for IOT2040 which has two. - */ - { - .matches = { - DMI_EXACT_MATCH(DMI_BOARD_NAME, "SIMATIC IOT2000"), - DMI_EXACT_MATCH(DMI_BOARD_ASSET_TAG, - "6ES7647-0AA00-0YA2"), - }, - .driver_data = (void *)&galileo_stmmac_dmi_data, - }, - { - .matches = { - DMI_EXACT_MATCH(DMI_BOARD_NAME, "SIMATIC IOT2000"), - }, - .driver_data = (void *)&iot2040_stmmac_dmi_data, - }, - {} -}; - -static int quark_default_data(struct pci_dev *pdev, - struct plat_stmmacenet_data *plat) -{ - int ret; - - /* Set common default data first */ - common_default_data(plat); - - /* - * Refuse to load the driver and register net device if MAC controller - * does not connect to any PHY interface. - */ - ret = stmmac_pci_find_phy_addr(pdev, quark_pci_dmi); - if (ret < 0) { - /* Return error to the caller on DMI enabled boards. */ - if (dmi_get_system_info(DMI_BOARD_NAME)) - return ret; - - /* - * Galileo boards with old firmware don't support DMI. We always - * use 1 here as PHY address, so at least the first found MAC - * controller would be probed. - */ - ret = 1; - } - - plat->bus_id = pci_dev_id(pdev); - plat->phy_addr = ret; - plat->phy_interface = PHY_INTERFACE_MODE_RMII; - - plat->dma_cfg->pbl = 16; - plat->dma_cfg->pblx8 = true; - plat->dma_cfg->fixed_burst = 1; - /* AXI (TODO) */ - - return 0; -} - -static const struct stmmac_pci_info quark_pci_info = { - .setup = quark_default_data, -}; - static int snps_gmac5_default_data(struct pci_dev *pdev, struct plat_stmmacenet_data *plat) { @@ -579,28 +274,15 @@ static int __maybe_unused stmmac_pci_resume(struct device *dev) static SIMPLE_DEV_PM_OPS(stmmac_pm_ops, stmmac_pci_suspend, stmmac_pci_resume); /* synthetic ID, no official vendor */ -#define PCI_VENDOR_ID_STMMAC 0x700 - -#define STMMAC_QUARK_ID 0x0937 -#define STMMAC_DEVICE_ID 0x1108 -#define STMMAC_EHL_RGMII1G_ID 0x4b30 -#define STMMAC_EHL_SGMII1G_ID 0x4b31 -#define STMMAC_TGL_SGMII1G_ID 0xa0ac -#define STMMAC_GMAC5_ID 0x7102 - -#define STMMAC_DEVICE(vendor_id, dev_id, info) { \ - PCI_VDEVICE(vendor_id, dev_id), \ - .driver_data = (kernel_ulong_t)&info \ - } +#define PCI_VENDOR_ID_STMMAC 0x0700 + +#define PCI_DEVICE_ID_STMMAC_STMMAC 0x1108 +#define PCI_DEVICE_ID_SYNOPSYS_GMAC5_ID 0x7102 static const struct pci_device_id stmmac_id_table[] = { - STMMAC_DEVICE(STMMAC, STMMAC_DEVICE_ID, stmmac_pci_info), - STMMAC_DEVICE(STMICRO, PCI_DEVICE_ID_STMICRO_MAC, stmmac_pci_info), - STMMAC_DEVICE(INTEL, STMMAC_QUARK_ID, quark_pci_info), - STMMAC_DEVICE(INTEL, STMMAC_EHL_RGMII1G_ID, ehl_rgmii1g_pci_info), - STMMAC_DEVICE(INTEL, STMMAC_EHL_SGMII1G_ID, ehl_sgmii1g_pci_info), - STMMAC_DEVICE(INTEL, STMMAC_TGL_SGMII1G_ID, tgl_sgmii1g_pci_info), - STMMAC_DEVICE(SYNOPSYS, STMMAC_GMAC5_ID, snps_gmac5_pci_info), + { PCI_DEVICE_DATA(STMMAC, STMMAC, &stmmac_pci_info) }, + { PCI_DEVICE_DATA(STMICRO, MAC, &stmmac_pci_info) }, + { PCI_DEVICE_DATA(SYNOPSYS, GMAC5_ID, &snps_gmac5_pci_info) }, {} }; |