linux/drivers/pci/controller/dwc/pcie-spear13xx.c

// SPDX-License-Identifier: GPL-2.0
/*
 * PCIe host controller driver for ST Microelectronics SPEAr13xx SoCs
 *
 * SPEAr13xx PCIe Glue Layer Source Code
 *
 * Copyright (C) 2010-2014 ST Microelectronics
 * Pratyush Anand <[email protected]>
 * Mohit Kumar <[email protected]>
 */

#include <linux/clk.h>
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/of.h>
#include <linux/pci.h>
#include <linux/phy/phy.h>
#include <linux/platform_device.h>
#include <linux/resource.h>

#include "pcie-designware.h"

struct spear13xx_pcie { … };

struct pcie_app_reg { … };

/* CR0 ID */
#define APP_LTSSM_ENABLE_ID …
#define DEVICE_TYPE_RC …
#define MISCTRL_EN_ID …
#define REG_TRANSLATION_ENABLE …

/* CR3 ID */
#define XMLH_LINK_UP …

/* CR6 */
#define MSI_CTRL_INT …

#define to_spear13xx_pcie(x) …

static int spear13xx_pcie_start_link(struct dw_pcie *pci)
{ … }

static irqreturn_t spear13xx_pcie_irq_handler(int irq, void *arg)
{ … }

static void spear13xx_pcie_enable_interrupts(struct spear13xx_pcie *spear13xx_pcie)
{ … }

static int spear13xx_pcie_link_up(struct dw_pcie *pci)
{ … }

static int spear13xx_pcie_host_init(struct dw_pcie_rp *pp)
{ … }

static const struct dw_pcie_host_ops spear13xx_pcie_host_ops = …;

static int spear13xx_add_pcie_port(struct spear13xx_pcie *spear13xx_pcie,
				   struct platform_device *pdev)
{ … }

static const struct dw_pcie_ops dw_pcie_ops = …;

static int spear13xx_pcie_probe(struct platform_device *pdev)
{ … }

static const struct of_device_id spear13xx_pcie_of_match[] = …;

static struct platform_driver spear13xx_pcie_driver = …;

builtin_platform_driver(…) …;