diff options
Diffstat (limited to 'drivers/pci/host/pcie-iproc-platform.c')
| -rw-r--r-- | drivers/pci/host/pcie-iproc-platform.c | 157 |
1 files changed, 0 insertions, 157 deletions
diff --git a/drivers/pci/host/pcie-iproc-platform.c b/drivers/pci/host/pcie-iproc-platform.c deleted file mode 100644 index f30f5f3fb5c1..000000000000 --- a/drivers/pci/host/pcie-iproc-platform.c +++ /dev/null @@ -1,157 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * Copyright (C) 2015 Broadcom Corporation - */ - -#include <linux/kernel.h> -#include <linux/pci.h> -#include <linux/clk.h> -#include <linux/module.h> -#include <linux/slab.h> -#include <linux/interrupt.h> -#include <linux/platform_device.h> -#include <linux/of_address.h> -#include <linux/of_pci.h> -#include <linux/of_irq.h> -#include <linux/of_platform.h> -#include <linux/phy/phy.h> - -#include "../pci.h" -#include "pcie-iproc.h" - -static const struct of_device_id iproc_pcie_of_match_table[] = { - { - .compatible = "brcm,iproc-pcie", - .data = (int *)IPROC_PCIE_PAXB, - }, { - .compatible = "brcm,iproc-pcie-paxb-v2", - .data = (int *)IPROC_PCIE_PAXB_V2, - }, { - .compatible = "brcm,iproc-pcie-paxc", - .data = (int *)IPROC_PCIE_PAXC, - }, { - .compatible = "brcm,iproc-pcie-paxc-v2", - .data = (int *)IPROC_PCIE_PAXC_V2, - }, - { /* sentinel */ } -}; -MODULE_DEVICE_TABLE(of, iproc_pcie_of_match_table); - -static int iproc_pcie_pltfm_probe(struct platform_device *pdev) -{ - struct device *dev = &pdev->dev; - struct iproc_pcie *pcie; - struct device_node *np = dev->of_node; - struct resource reg; - resource_size_t iobase = 0; - LIST_HEAD(resources); - struct pci_host_bridge *bridge; - int ret; - - bridge = devm_pci_alloc_host_bridge(dev, sizeof(*pcie)); - if (!bridge) - return -ENOMEM; - - pcie = pci_host_bridge_priv(bridge); - - pcie->dev = dev; - pcie->type = (enum iproc_pcie_type) of_device_get_match_data(dev); - - ret = of_address_to_resource(np, 0, ®); - if (ret < 0) { - dev_err(dev, "unable to obtain controller resources\n"); - return ret; - } - - pcie->base = devm_pci_remap_cfgspace(dev, reg.start, - resource_size(®)); - if (!pcie->base) { - dev_err(dev, "unable to map controller registers\n"); - return -ENOMEM; - } - pcie->base_addr = reg.start; - - if (of_property_read_bool(np, "brcm,pcie-ob")) { - u32 val; - - ret = of_property_read_u32(np, "brcm,pcie-ob-axi-offset", - &val); - if (ret) { - dev_err(dev, - "missing brcm,pcie-ob-axi-offset property\n"); - return ret; - } - pcie->ob.axi_offset = val; - pcie->need_ob_cfg = true; - } - - /* - * DT nodes are not used by all platforms that use the iProc PCIe - * core driver. For platforms that require explict inbound mapping - * configuration, "dma-ranges" would have been present in DT - */ - pcie->need_ib_cfg = of_property_read_bool(np, "dma-ranges"); - - /* PHY use is optional */ - pcie->phy = devm_phy_get(dev, "pcie-phy"); - if (IS_ERR(pcie->phy)) { - if (PTR_ERR(pcie->phy) == -EPROBE_DEFER) - return -EPROBE_DEFER; - pcie->phy = NULL; - } - - ret = devm_of_pci_get_host_bridge_resources(dev, 0, 0xff, &resources, - &iobase); - if (ret) { - dev_err(dev, "unable to get PCI host bridge resources\n"); - return ret; - } - - /* PAXC doesn't support legacy IRQs, skip mapping */ - switch (pcie->type) { - case IPROC_PCIE_PAXC: - case IPROC_PCIE_PAXC_V2: - break; - default: - pcie->map_irq = of_irq_parse_and_map_pci; - } - - ret = iproc_pcie_setup(pcie, &resources); - if (ret) { - dev_err(dev, "PCIe controller setup failed\n"); - pci_free_resource_list(&resources); - return ret; - } - - platform_set_drvdata(pdev, pcie); - return 0; -} - -static int iproc_pcie_pltfm_remove(struct platform_device *pdev) -{ - struct iproc_pcie *pcie = platform_get_drvdata(pdev); - - return iproc_pcie_remove(pcie); -} - -static void iproc_pcie_pltfm_shutdown(struct platform_device *pdev) -{ - struct iproc_pcie *pcie = platform_get_drvdata(pdev); - - iproc_pcie_shutdown(pcie); -} - -static struct platform_driver iproc_pcie_pltfm_driver = { - .driver = { - .name = "iproc-pcie", - .of_match_table = of_match_ptr(iproc_pcie_of_match_table), - }, - .probe = iproc_pcie_pltfm_probe, - .remove = iproc_pcie_pltfm_remove, - .shutdown = iproc_pcie_pltfm_shutdown, -}; -module_platform_driver(iproc_pcie_pltfm_driver); - -MODULE_AUTHOR("Ray Jui <rjui@broadcom.com>"); -MODULE_DESCRIPTION("Broadcom iPROC PCIe platform driver"); -MODULE_LICENSE("GPL v2"); |