linux/drivers/pci/controller/pcie-rcar.c

// SPDX-License-Identifier: GPL-2.0
/*
 * PCIe driver for Renesas R-Car SoCs
 *  Copyright (C) 2014-2020 Renesas Electronics Europe Ltd
 *
 * Author: Phil Edworthy <[email protected]>
 */

#include <linux/delay.h>
#include <linux/pci.h>

#include "pcie-rcar.h"

void rcar_pci_write_reg(struct rcar_pcie *pcie, u32 val, unsigned int reg)
{ … }

u32 rcar_pci_read_reg(struct rcar_pcie *pcie, unsigned int reg)
{ … }

void rcar_rmw32(struct rcar_pcie *pcie, int where, u32 mask, u32 data)
{ … }

int rcar_pcie_wait_for_phyrdy(struct rcar_pcie *pcie)
{ … }

int rcar_pcie_wait_for_dl(struct rcar_pcie *pcie)
{ … }

void rcar_pcie_set_outbound(struct rcar_pcie *pcie, int win,
			    struct resource_entry *window)
{ … }

void rcar_pcie_set_inbound(struct rcar_pcie *pcie, u64 cpu_addr,
			   u64 pci_addr, u64 flags, int idx, bool host)
{ … }