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); 26 if (ret) 27 return ret; 28 29 if (pdev->dev.of_node) { 30 plat_dat = stmmac_probe_config_dt(pdev, stmmac_res.mac); 31 if (IS_ERR(plat_dat)) { 32 dev_err(&pdev->dev, "dt configuration failed\n"); 33 return PTR_ERR(plat_dat); 34 } 35 } else { 36 plat_dat = dev_get_platdata(&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 ret = stmmac_pltfr_probe(pdev, plat_dat, &stmmac_res); 50 if (ret) 51 goto err_remove_config_dt; 52 53 return 0; 54 55 err_remove_config_dt: 56 if (pdev->dev.of_node) 57 stmmac_remove_config_dt(pdev, plat_dat); 58 59 return ret; 60 } 61 62 static const struct of_device_id dwmac_generic_match[] = { 63 { .compatible = "st,spear600-gmac"}, 64 { .compatible = "snps,dwmac-3.40a"}, 65 { .compatible = "snps,dwmac-3.50a"}, 66 { .compatible = "snps,dwmac-3.610"}, 67 { .compatible = "snps,dwmac-3.70a"}, 68 { .compatible = "snps,dwmac-3.710"}, 69 { .compatible = "snps,dwmac-4.00"}, 70 { .compatible = "snps,dwmac-4.10a"}, 71 { .compatible = "snps,dwmac"}, 72 { .compatible = "snps,dwxgmac-2.10"}, 73 { .compatible = "snps,dwxgmac"}, 74 { } 75 }; 76 MODULE_DEVICE_TABLE(of, dwmac_generic_match); 77 78 static struct platform_driver dwmac_generic_driver = { 79 .probe = dwmac_generic_probe, 80 .remove_new = stmmac_pltfr_remove, 81 .driver = { 82 .name = STMMAC_RESOURCE_NAME, 83 .pm = &stmmac_pltfr_pm_ops, 84 .of_match_table = dwmac_generic_match, 85 }, 86 }; 87 module_platform_driver(dwmac_generic_driver); 88 89 MODULE_DESCRIPTION("Generic dwmac driver"); 90 MODULE_LICENSE("GPL v2"); 91