linux/drivers/pci/controller/dwc/pci-layerscape-ep.c

// SPDX-License-Identifier: GPL-2.0
/*
 * PCIe controller EP driver for Freescale Layerscape SoCs
 *
 * Copyright (C) 2018 NXP Semiconductor.
 *
 * Author: Xiaowei Bao <[email protected]>
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/of_pci.h>
#include <linux/of_platform.h>
#include <linux/of_address.h>
#include <linux/pci.h>
#include <linux/platform_device.h>
#include <linux/resource.h>

#include "pcie-designware.h"

#define PEX_PF0_CONFIG …
#define PEX_PF0_CFG_READY …

/* PEX PFa PCIE PME and message interrupt registers*/
#define PEX_PF0_PME_MES_DR …
#define PEX_PF0_PME_MES_DR_LUD …
#define PEX_PF0_PME_MES_DR_LDD …
#define PEX_PF0_PME_MES_DR_HRD …

#define PEX_PF0_PME_MES_IER …
#define PEX_PF0_PME_MES_IER_LUDIE …
#define PEX_PF0_PME_MES_IER_LDDIE …
#define PEX_PF0_PME_MES_IER_HRDIE …

#define to_ls_pcie_ep(x) …

struct ls_pcie_ep_drvdata { … };

struct ls_pcie_ep { … };

static u32 ls_pcie_pf_lut_readl(struct ls_pcie_ep *pcie, u32 offset)
{ … }

static void ls_pcie_pf_lut_writel(struct ls_pcie_ep *pcie, u32 offset, u32 value)
{ … }

static irqreturn_t ls_pcie_ep_event_handler(int irq, void *dev_id)
{ … }

static int ls_pcie_ep_interrupt_init(struct ls_pcie_ep *pcie,
				     struct platform_device *pdev)
{ … }

static const struct pci_epc_features*
ls_pcie_ep_get_features(struct dw_pcie_ep *ep)
{ … }

static void ls_pcie_ep_init(struct dw_pcie_ep *ep)
{ … }

static int ls_pcie_ep_raise_irq(struct dw_pcie_ep *ep, u8 func_no,
				unsigned int type, u16 interrupt_num)
{ … }

static unsigned int ls_pcie_ep_get_dbi_offset(struct dw_pcie_ep *ep, u8 func_no)
{ … }

static const struct dw_pcie_ep_ops ls_pcie_ep_ops = …;

static const struct ls_pcie_ep_drvdata ls1_ep_drvdata = …;

static const struct ls_pcie_ep_drvdata ls2_ep_drvdata = …;

static const struct ls_pcie_ep_drvdata lx2_ep_drvdata = …;

static const struct of_device_id ls_pcie_ep_of_match[] = …;

static int __init ls_pcie_ep_probe(struct platform_device *pdev)
{ … }

static struct platform_driver ls_pcie_ep_driver = …;
builtin_platform_driver_probe(…);