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

dwc-xlgmac-pci.c (2226B)

      1/* Synopsys DesignWare Core Enterprise Ethernet (XLGMAC) Driver
      2 *
      3 * Copyright (c) 2017 Synopsys, Inc. (www.synopsys.com)
      4 *
      5 * This program is dual-licensed; you may select either version 2 of
      6 * the GNU General Public License ("GPL") or BSD license ("BSD").
      7 *
      8 * This Synopsys DWC XLGMAC software driver and associated documentation
      9 * (hereinafter the "Software") is an unsupported proprietary work of
     10 * Synopsys, Inc. unless otherwise expressly agreed to in writing between
     11 * Synopsys and you. The Software IS NOT an item of Licensed Software or a
     12 * Licensed Product under any End User Software License Agreement or
     13 * Agreement for Licensed Products with Synopsys or any supplement thereto.
     14 * Synopsys is a registered trademark of Synopsys, Inc. Other names included
     15 * in the SOFTWARE may be the trademarks of their respective owners.
     16 */
     17
     18#include <linux/kernel.h>
     19#include <linux/module.h>
     20#include <linux/pci.h>
     21
     22#include "dwc-xlgmac.h"
     23#include "dwc-xlgmac-reg.h"
     24
     25static int xlgmac_probe(struct pci_dev *pcidev, const struct pci_device_id *id)
     26{
     27	struct device *dev = &pcidev->dev;
     28	struct xlgmac_resources res;
     29	int i, ret;
     30
     31	ret = pcim_enable_device(pcidev);
     32	if (ret) {
     33		dev_err(dev, "ERROR: failed to enable device\n");
     34		return ret;
     35	}
     36
     37	for (i = 0; i < PCI_STD_NUM_BARS; i++) {
     38		if (pci_resource_len(pcidev, i) == 0)
     39			continue;
     40		ret = pcim_iomap_regions(pcidev, BIT(i), XLGMAC_DRV_NAME);
     41		if (ret)
     42			return ret;
     43		break;
     44	}
     45
     46	pci_set_master(pcidev);
     47
     48	memset(&res, 0, sizeof(res));
     49	res.irq = pcidev->irq;
     50	res.addr = pcim_iomap_table(pcidev)[i];
     51
     52	return xlgmac_drv_probe(&pcidev->dev, &res);
     53}
     54
     55static void xlgmac_remove(struct pci_dev *pcidev)
     56{
     57	xlgmac_drv_remove(&pcidev->dev);
     58}
     59
     60static const struct pci_device_id xlgmac_pci_tbl[] = {
     61	{ PCI_DEVICE(PCI_VENDOR_ID_SYNOPSYS, 0x7302) },
     62	{ 0 }
     63};
     64MODULE_DEVICE_TABLE(pci, xlgmac_pci_tbl);
     65
     66static struct pci_driver xlgmac_pci_driver = {
     67	.name		= XLGMAC_DRV_NAME,
     68	.id_table	= xlgmac_pci_tbl,
     69	.probe		= xlgmac_probe,
     70	.remove		= xlgmac_remove,
     71};
     72
     73module_pci_driver(xlgmac_pci_driver);
     74
     75MODULE_DESCRIPTION(XLGMAC_DRV_DESC);
     76MODULE_VERSION(XLGMAC_DRV_VERSION);
     77MODULE_AUTHOR("Jie Deng <jiedeng@synopsys.com>");
     78MODULE_LICENSE("Dual BSD/GPL");