1 files changed, 0 insertions, 259 deletions
diff --git a/drivers/pci/dwc/pcie-designware-plat.c b/drivers/pci/dwc/pcie-designware-plat.c
deleted file mode 100644
index 5937fed4c938..000000000000
--- a/drivers/pci/dwc/pcie-designware-plat.c
+++ /dev/null
@@ -1,259 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * PCIe RC driver for Synopsys DesignWare Core
- *
- * Copyright (C) 2015-2016 Synopsys, Inc. (www.synopsys.com)
- *
- * Authors: Joao Pinto <Joao.Pinto@synopsys.com>
- */
-#include <linux/clk.h>
-#include <linux/delay.h>
-#include <linux/gpio.h>
-#include <linux/interrupt.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/of_device.h>
-#include <linux/of_gpio.h>
-#include <linux/pci.h>
-#include <linux/platform_device.h>
-#include <linux/resource.h>
-#include <linux/signal.h>
-#include <linux/types.h>
-#include <linux/regmap.h>
-
-#include "pcie-designware.h"
-
-struct dw_plat_pcie {
-	struct dw_pcie			*pci;
-	struct regmap			*regmap;
-	enum dw_pcie_device_mode	mode;
-};
-
-struct dw_plat_pcie_of_data {
-	enum dw_pcie_device_mode	mode;
-};
-
-static const struct of_device_id dw_plat_pcie_of_match[];
-
-static int dw_plat_pcie_host_init(struct pcie_port *pp)
-{
-	struct dw_pcie *pci = to_dw_pcie_from_pp(pp);
-
-	dw_pcie_setup_rc(pp);
-	dw_pcie_wait_for_link(pci);
-
-	if (IS_ENABLED(CONFIG_PCI_MSI))
-		dw_pcie_msi_init(pp);
-
-	return 0;
-}
-
-static void dw_plat_set_num_vectors(struct pcie_port *pp)
-{
-	pp->num_vectors = MAX_MSI_IRQS;
-}
-
-static const struct dw_pcie_host_ops dw_plat_pcie_host_ops = {
-	.host_init = dw_plat_pcie_host_init,
-	.set_num_vectors = dw_plat_set_num_vectors,
-};
-
-static int dw_plat_pcie_establish_link(struct dw_pcie *pci)
-{
-	return 0;
-}
-
-static const struct dw_pcie_ops dw_pcie_ops = {
-	.start_link = dw_plat_pcie_establish_link,
-};
-
-static void dw_plat_pcie_ep_init(struct dw_pcie_ep *ep)
-{
-	struct dw_pcie *pci = to_dw_pcie_from_ep(ep);
-	enum pci_barno bar;
-
-	for (bar = BAR_0; bar <= BAR_5; bar++)
-		dw_pcie_ep_reset_bar(pci, bar);
-}
-
-static int dw_plat_pcie_ep_raise_irq(struct dw_pcie_ep *ep, u8 func_no,
-				     enum pci_epc_irq_type type,
-				     u8 interrupt_num)
-{
-	struct dw_pcie *pci = to_dw_pcie_from_ep(ep);
-
-	switch (type) {
-	case PCI_EPC_IRQ_LEGACY:
-		dev_err(pci->dev, "EP cannot trigger legacy IRQs\n");
-		return -EINVAL;
-	case PCI_EPC_IRQ_MSI:
-		return dw_pcie_ep_raise_msi_irq(ep, func_no, interrupt_num);
-	default:
-		dev_err(pci->dev, "UNKNOWN IRQ type\n");
-	}
-
-	return 0;
-}
-
-static struct dw_pcie_ep_ops pcie_ep_ops = {
-	.ep_init = dw_plat_pcie_ep_init,
-	.raise_irq = dw_plat_pcie_ep_raise_irq,
-};
-
-static int dw_plat_add_pcie_port(struct dw_plat_pcie *dw_plat_pcie,
-				 struct platform_device *pdev)
-{
-	struct dw_pcie *pci = dw_plat_pcie->pci;
-	struct pcie_port *pp = &pci->pp;
-	struct device *dev = &pdev->dev;
-	int ret;
-
-	pp->irq = platform_get_irq(pdev, 1);
-	if (pp->irq < 0)
-		return pp->irq;
-
-	if (IS_ENABLED(CONFIG_PCI_MSI)) {
-		pp->msi_irq = platform_get_irq(pdev, 0);
-		if (pp->msi_irq < 0)
-			return pp->msi_irq;
-	}
-
-	pp->root_bus_nr = -1;
-	pp->ops = &dw_plat_pcie_host_ops;
-
-	ret = dw_pcie_host_init(pp);
-	if (ret) {
-		dev_err(dev, "Failed to initialize host\n");
-		return ret;
-	}
-
-	return 0;
-}
-
-static int dw_plat_add_pcie_ep(struct dw_plat_pcie *dw_plat_pcie,
-			       struct platform_device *pdev)
-{
-	int ret;
-	struct dw_pcie_ep *ep;
-	struct resource *res;
-	struct device *dev = &pdev->dev;
-	struct dw_pcie *pci = dw_plat_pcie->pci;
-
-	ep = &pci->ep;
-	ep->ops = &pcie_ep_ops;
-
-	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dbi2");
-	pci->dbi_base2 = devm_ioremap_resource(dev, res);
-	if (IS_ERR(pci->dbi_base2))
-		return PTR_ERR(pci->dbi_base2);
-
-	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "addr_space");
-	if (!res)
-		return -EINVAL;
-
-	ep->phys_base = res->start;
-	ep->addr_size = resource_size(res);
-
-	ret = dw_pcie_ep_init(ep);
-	if (ret) {
-		dev_err(dev, "Failed to initialize endpoint\n");
-		return ret;
-	}
-	return 0;
-}
-
-static int dw_plat_pcie_probe(struct platform_device *pdev)
-{
-	struct device *dev = &pdev->dev;
-	struct dw_plat_pcie *dw_plat_pcie;
-	struct dw_pcie *pci;
-	struct resource *res;  /* Resource from DT */
-	int ret;
-	const struct of_device_id *match;
-	const struct dw_plat_pcie_of_data *data;
-	enum dw_pcie_device_mode mode;
-
-	match = of_match_device(dw_plat_pcie_of_match, dev);
-	if (!match)
-		return -EINVAL;
-
-	data = (struct dw_plat_pcie_of_data *)match->data;
-	mode = (enum dw_pcie_device_mode)data->mode;
-
-	dw_plat_pcie = devm_kzalloc(dev, sizeof(*dw_plat_pcie), GFP_KERNEL);
-	if (!dw_plat_pcie)
-		return -ENOMEM;
-
-	pci = devm_kzalloc(dev, sizeof(*pci), GFP_KERNEL);
-	if (!pci)
-		return -ENOMEM;
-
-	pci->dev = dev;
-	pci->ops = &dw_pcie_ops;
-
-	dw_plat_pcie->pci = pci;
-	dw_plat_pcie->mode = mode;
-
-	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dbi");
-	if (!res)
-		res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-
-	pci->dbi_base = devm_ioremap_resource(dev, res);
-	if (IS_ERR(pci->dbi_base))
-		return PTR_ERR(pci->dbi_base);
-
-	platform_set_drvdata(pdev, dw_plat_pcie);
-
-	switch (dw_plat_pcie->mode) {
-	case DW_PCIE_RC_TYPE:
-		if (!IS_ENABLED(CONFIG_PCIE_DW_PLAT_HOST))
-			return -ENODEV;
-
-		ret = dw_plat_add_pcie_port(dw_plat_pcie, pdev);
-		if (ret < 0)
-			return ret;
-		break;
-	case DW_PCIE_EP_TYPE:
-		if (!IS_ENABLED(CONFIG_PCIE_DW_PLAT_EP))
-			return -ENODEV;
-
-		ret = dw_plat_add_pcie_ep(dw_plat_pcie, pdev);
-		if (ret < 0)
-			return ret;
-		break;
-	default:
-		dev_err(dev, "INVALID device type %d\n", dw_plat_pcie->mode);
-	}
-
-	return 0;
-}
-
-static const struct dw_plat_pcie_of_data dw_plat_pcie_rc_of_data = {
-	.mode = DW_PCIE_RC_TYPE,
-};
-
-static const struct dw_plat_pcie_of_data dw_plat_pcie_ep_of_data = {
-	.mode = DW_PCIE_EP_TYPE,
-};
-
-static const struct of_device_id dw_plat_pcie_of_match[] = {
-	{
-		.compatible = "snps,dw-pcie",
-		.data = &dw_plat_pcie_rc_of_data,
-	},
-	{
-		.compatible = "snps,dw-pcie-ep",
-		.data = &dw_plat_pcie_ep_of_data,
-	},
-	{},
-};
-
-static struct platform_driver dw_plat_pcie_driver = {
-	.driver = {
-		.name	= "dw-pcie",
-		.of_match_table = dw_plat_pcie_of_match,
-		.suppress_bind_attrs = true,
-	},
-	.probe = dw_plat_pcie_probe,
-};
-builtin_platform_driver(dw_plat_pcie_driver);