| 1 | /* |
| 2 | * Generic DWMAC platform driver |
| 3 | * |
| 4 | * Copyright (C) 2007-2011 STMicroelectronics Ltd |
| 5 | * Copyright (C) 2015 Joachim Eastwood <manabian@gmail.com> |
| 6 | * |
| 7 | * This file is licensed under the terms of the GNU General Public |
| 8 | * License version 2. This program is licensed "as is" without any |
| 9 | * warranty of any kind, whether express or implied. |
| 10 | */ |
| 11 | |
| 12 | #include <linux/module.h> |
| 13 | #include <linux/of.h> |
| 14 | #include <linux/platform_device.h> |
| 15 | |
| 16 | #include "stmmac.h" |
| 17 | #include "stmmac_platform.h" |
| 18 | |
| 19 | static int dwmac_generic_probe(struct platform_device *pdev) |
| 20 | { |
| 21 | struct plat_stmmacenet_data *plat_dat; |
| 22 | struct stmmac_resources stmmac_res; |
| 23 | int ret; |
| 24 | |
| 25 | ret = stmmac_get_platform_resources(pdev, stmmac_res: &stmmac_res); |
| 26 | if (ret) |
| 27 | return ret; |
| 28 | |
| 29 | if (pdev->dev.of_node) { |
| 30 | plat_dat = devm_stmmac_probe_config_dt(pdev, mac: stmmac_res.mac); |
| 31 | if (IS_ERR(ptr: plat_dat)) { |
| 32 | dev_err(&pdev->dev, "dt configuration failed\n" ); |
| 33 | return PTR_ERR(ptr: plat_dat); |
| 34 | } |
| 35 | } else { |
| 36 | plat_dat = dev_get_platdata(dev: &pdev->dev); |
| 37 | if (!plat_dat) { |
| 38 | dev_err(&pdev->dev, "no platform data provided\n" ); |
| 39 | return -EINVAL; |
| 40 | } |
| 41 | |
| 42 | /* Set default value for multicast hash bins */ |
| 43 | plat_dat->multicast_filter_bins = HASH_TABLE_SIZE; |
| 44 | |
| 45 | /* Set default value for unicast filter entries */ |
| 46 | plat_dat->unicast_filter_entries = 1; |
| 47 | } |
| 48 | |
| 49 | return devm_stmmac_pltfr_probe(pdev, plat: plat_dat, res: &stmmac_res); |
| 50 | } |
| 51 | |
| 52 | static const struct of_device_id dwmac_generic_match[] = { |
| 53 | { .compatible = "st,spear600-gmac" }, |
| 54 | { .compatible = "snps,dwmac-3.40a" }, |
| 55 | { .compatible = "snps,dwmac-3.50a" }, |
| 56 | { .compatible = "snps,dwmac-3.610" }, |
| 57 | { .compatible = "snps,dwmac-3.70a" }, |
| 58 | { .compatible = "snps,dwmac-3.710" }, |
| 59 | { .compatible = "snps,dwmac-3.72a" }, |
| 60 | { .compatible = "snps,dwmac-4.00" }, |
| 61 | { .compatible = "snps,dwmac-4.10a" }, |
| 62 | { .compatible = "snps,dwmac" }, |
| 63 | { .compatible = "snps,dwxgmac-2.10" }, |
| 64 | { .compatible = "snps,dwxgmac" }, |
| 65 | { } |
| 66 | }; |
| 67 | MODULE_DEVICE_TABLE(of, dwmac_generic_match); |
| 68 | |
| 69 | static struct platform_driver dwmac_generic_driver = { |
| 70 | .probe = dwmac_generic_probe, |
| 71 | .driver = { |
| 72 | .name = STMMAC_RESOURCE_NAME, |
| 73 | .pm = &stmmac_pltfr_pm_ops, |
| 74 | .of_match_table = dwmac_generic_match, |
| 75 | }, |
| 76 | }; |
| 77 | module_platform_driver(dwmac_generic_driver); |
| 78 | |
| 79 | MODULE_DESCRIPTION("Generic dwmac driver" ); |
| 80 | MODULE_LICENSE("GPL v2" ); |
| 81 | |