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 /* Custom initialisation (if needed) */ 50 if (plat_dat->init) { 51 ret = plat_dat->init(pdev, plat_dat->bsp_priv); 52 if (ret) 53 goto err_remove_config_dt; 54 } 55 56 ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res); 57 if (ret) 58 goto err_exit; 59 60 return 0; 61 62 err_exit: 63 if (plat_dat->exit) 64 plat_dat->exit(pdev, plat_dat->bsp_priv); 65 err_remove_config_dt: 66 if (pdev->dev.of_node) 67 stmmac_remove_config_dt(pdev, plat_dat); 68 69 return ret; 70 } 71 72 static const struct of_device_id dwmac_generic_match[] = { 73 { .compatible = "st,spear600-gmac"}, 74 { .compatible = "snps,dwmac-3.50a"}, 75 { .compatible = "snps,dwmac-3.610"}, 76 { .compatible = "snps,dwmac-3.70a"}, 77 { .compatible = "snps,dwmac-3.710"}, 78 { .compatible = "snps,dwmac-4.00"}, 79 { .compatible = "snps,dwmac-4.10a"}, 80 { .compatible = "snps,dwmac"}, 81 { .compatible = "snps,dwxgmac-2.10"}, 82 { .compatible = "snps,dwxgmac"}, 83 { } 84 }; 85 MODULE_DEVICE_TABLE(of, dwmac_generic_match); 86 87 static struct platform_driver dwmac_generic_driver = { 88 .probe = dwmac_generic_probe, 89 .remove = stmmac_pltfr_remove, 90 .driver = { 91 .name = STMMAC_RESOURCE_NAME, 92 .pm = &stmmac_pltfr_pm_ops, 93 .of_match_table = of_match_ptr(dwmac_generic_match), 94 }, 95 }; 96 module_platform_driver(dwmac_generic_driver); 97 98 MODULE_DESCRIPTION("Generic dwmac driver"); 99 MODULE_LICENSE("GPL v2"); 100