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
dwmac_generic_probe(struct platform_device * pdev)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