linux/drivers/pci/controller/dwc/pcie-hisi.c

// SPDX-License-Identifier: GPL-2.0
/*
 * PCIe host controller driver for HiSilicon SoCs
 *
 * Copyright (C) 2015 HiSilicon Co., Ltd. http://www.hisilicon.com
 *
 * Authors: Zhou Wang <[email protected]>
 *          Dacai Zhu <[email protected]>
 *          Gabriele Paoloni <[email protected]>
 */
#include <linux/interrupt.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/pci.h>
#include <linux/pci-acpi.h>
#include <linux/pci-ecam.h>
#include "../../pci.h"

#if defined(CONFIG_PCI_HISI) || (defined(CONFIG_ACPI) && defined(CONFIG_PCI_QUIRKS))

struct hisi_pcie { … };

static int hisi_pcie_rd_conf(struct pci_bus *bus, u32 devfn, int where,
			     int size, u32 *val)
{ … }

static int hisi_pcie_wr_conf(struct pci_bus *bus, u32 devfn,
			     int where, int size, u32 val)
{ … }

static void __iomem *hisi_pcie_map_bus(struct pci_bus *bus, unsigned int devfn,
				       int where)
{ … }

#if defined(CONFIG_ACPI) && defined(CONFIG_PCI_QUIRKS)

static int hisi_pcie_init(struct pci_config_window *cfg)
{ … }

const struct pci_ecam_ops hisi_pcie_ops = …;

#endif

#ifdef CONFIG_PCI_HISI

static int hisi_pcie_platform_init(struct pci_config_window *cfg)
{ … }

static const struct pci_ecam_ops hisi_pcie_platform_ops = …;

static const struct of_device_id hisi_pcie_almost_ecam_of_match[] = …;

static struct platform_driver hisi_pcie_almost_ecam_driver = …;
builtin_platform_driver(…) …;

#endif
#endif