cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

dwmac-generic.c (2608B)

      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
     19static 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
     62err_exit:
     63	if (plat_dat->exit)
     64		plat_dat->exit(pdev, plat_dat->bsp_priv);
     65err_remove_config_dt:
     66	if (pdev->dev.of_node)
     67		stmmac_remove_config_dt(pdev, plat_dat);
     68
     69	return ret;
     70}
     71
     72static const struct of_device_id dwmac_generic_match[] = {
     73	{ .compatible = "st,spear600-gmac"},
     74	{ .compatible = "snps,dwmac-3.40a"},
     75	{ .compatible = "snps,dwmac-3.50a"},
     76	{ .compatible = "snps,dwmac-3.610"},
     77	{ .compatible = "snps,dwmac-3.70a"},
     78	{ .compatible = "snps,dwmac-3.710"},
     79	{ .compatible = "snps,dwmac-4.00"},
     80	{ .compatible = "snps,dwmac-4.10a"},
     81	{ .compatible = "snps,dwmac"},
     82	{ .compatible = "snps,dwxgmac-2.10"},
     83	{ .compatible = "snps,dwxgmac"},
     84	{ }
     85};
     86MODULE_DEVICE_TABLE(of, dwmac_generic_match);
     87
     88static struct platform_driver dwmac_generic_driver = {
     89	.probe  = dwmac_generic_probe,
     90	.remove = stmmac_pltfr_remove,
     91	.driver = {
     92		.name           = STMMAC_RESOURCE_NAME,
     93		.pm		= &stmmac_pltfr_pm_ops,
     94		.of_match_table = of_match_ptr(dwmac_generic_match),
     95	},
     96};
     97module_platform_driver(dwmac_generic_driver);
     98
     99MODULE_DESCRIPTION("Generic dwmac driver");
    100MODULE_LICENSE("GPL v2");