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1// SPDX-License-Identifier: GPL-2.02/*3 * Copyright (C) 2015 Broadcom Corporation4 * Copyright (C) 2015 Hauke Mehrtens <hauke@hauke-m.de>5 */6 7#include <linux/kernel.h>8#include <linux/pci.h>9#include <linux/module.h>10#include <linux/slab.h>11#include <linux/phy/phy.h>12#include <linux/bcma/bcma.h>13#include <linux/ioport.h>14 15#include "pcie-iproc.h"16 17 18/* NS: CLASS field is R/O, and set to wrong 0x200 value */19static void bcma_pcie2_fixup_class(struct pci_dev *dev)20{21 dev->class = PCI_CLASS_BRIDGE_PCI_NORMAL;22}23DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, 0x8011, bcma_pcie2_fixup_class);24DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, 0x8012, bcma_pcie2_fixup_class);25 26static int iproc_bcma_pcie_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)27{28 struct iproc_pcie *pcie = dev->sysdata;29 struct bcma_device *bdev = container_of(pcie->dev, struct bcma_device, dev);30 31 return bcma_core_irq(bdev, 5);32}33 34static int iproc_bcma_pcie_probe(struct bcma_device *bdev)35{36 struct device *dev = &bdev->dev;37 struct iproc_pcie *pcie;38 struct pci_host_bridge *bridge;39 int ret;40 41 bridge = devm_pci_alloc_host_bridge(dev, sizeof(*pcie));42 if (!bridge)43 return -ENOMEM;44 45 pcie = pci_host_bridge_priv(bridge);46 47 pcie->dev = dev;48 49 pcie->type = IPROC_PCIE_PAXB_BCMA;50 pcie->base = bdev->io_addr;51 if (!pcie->base) {52 dev_err(dev, "no controller registers\n");53 return -ENOMEM;54 }55 56 pcie->base_addr = bdev->addr;57 58 pcie->mem.start = bdev->addr_s[0];59 pcie->mem.end = bdev->addr_s[0] + SZ_128M - 1;60 pcie->mem.name = "PCIe MEM space";61 pcie->mem.flags = IORESOURCE_MEM;62 pci_add_resource(&bridge->windows, &pcie->mem);63 ret = devm_request_pci_bus_resources(dev, &bridge->windows);64 if (ret)65 return ret;66 67 pcie->map_irq = iproc_bcma_pcie_map_irq;68 69 bcma_set_drvdata(bdev, pcie);70 71 return iproc_pcie_setup(pcie, &bridge->windows);72}73 74static void iproc_bcma_pcie_remove(struct bcma_device *bdev)75{76 struct iproc_pcie *pcie = bcma_get_drvdata(bdev);77 78 iproc_pcie_remove(pcie);79}80 81static const struct bcma_device_id iproc_bcma_pcie_table[] = {82 BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_NS_PCIEG2, BCMA_ANY_REV, BCMA_ANY_CLASS),83 {},84};85MODULE_DEVICE_TABLE(bcma, iproc_bcma_pcie_table);86 87static struct bcma_driver iproc_bcma_pcie_driver = {88 .name = KBUILD_MODNAME,89 .id_table = iproc_bcma_pcie_table,90 .probe = iproc_bcma_pcie_probe,91 .remove = iproc_bcma_pcie_remove,92};93module_bcma_driver(iproc_bcma_pcie_driver);94 95MODULE_AUTHOR("Hauke Mehrtens");96MODULE_DESCRIPTION("Broadcom iProc PCIe BCMA driver");97MODULE_LICENSE("GPL v2");98