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101 lines
2.5 KiB
101 lines
2.5 KiB
// SPDX-License-Identifier: GPL-2.0 |
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/* |
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* Copyright (C) 2015 Broadcom Corporation |
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* Copyright (C) 2015 Hauke Mehrtens <[email protected]> |
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*/ |
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#include <linux/kernel.h> |
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#include <linux/pci.h> |
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#include <linux/module.h> |
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#include <linux/slab.h> |
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#include <linux/phy/phy.h> |
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#include <linux/bcma/bcma.h> |
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#include <linux/ioport.h> |
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#include "pcie-iproc.h" |
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/* NS: CLASS field is R/O, and set to wrong 0x200 value */ |
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static void bcma_pcie2_fixup_class(struct pci_dev *dev) |
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{ |
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dev->class = PCI_CLASS_BRIDGE_PCI << 8; |
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} |
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DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, 0x8011, bcma_pcie2_fixup_class); |
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DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, 0x8012, bcma_pcie2_fixup_class); |
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static int iproc_pcie_bcma_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) |
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{ |
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struct iproc_pcie *pcie = dev->sysdata; |
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struct bcma_device *bdev = container_of(pcie->dev, struct bcma_device, dev); |
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return bcma_core_irq(bdev, 5); |
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} |
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static int iproc_pcie_bcma_probe(struct bcma_device *bdev) |
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{ |
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struct device *dev = &bdev->dev; |
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struct iproc_pcie *pcie; |
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LIST_HEAD(resources); |
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struct pci_host_bridge *bridge; |
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int ret; |
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bridge = devm_pci_alloc_host_bridge(dev, sizeof(*pcie)); |
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if (!bridge) |
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return -ENOMEM; |
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pcie = pci_host_bridge_priv(bridge); |
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pcie->dev = dev; |
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pcie->type = IPROC_PCIE_PAXB_BCMA; |
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pcie->base = bdev->io_addr; |
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if (!pcie->base) { |
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dev_err(dev, "no controller registers\n"); |
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return -ENOMEM; |
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} |
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pcie->base_addr = bdev->addr; |
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pcie->mem.start = bdev->addr_s[0]; |
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pcie->mem.end = bdev->addr_s[0] + SZ_128M - 1; |
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pcie->mem.name = "PCIe MEM space"; |
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pcie->mem.flags = IORESOURCE_MEM; |
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pci_add_resource(&resources, &pcie->mem); |
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pcie->map_irq = iproc_pcie_bcma_map_irq; |
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ret = iproc_pcie_setup(pcie, &resources); |
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if (ret) { |
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dev_err(dev, "PCIe controller setup failed\n"); |
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pci_free_resource_list(&resources); |
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return ret; |
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} |
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bcma_set_drvdata(bdev, pcie); |
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return 0; |
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} |
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static void iproc_pcie_bcma_remove(struct bcma_device *bdev) |
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{ |
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struct iproc_pcie *pcie = bcma_get_drvdata(bdev); |
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iproc_pcie_remove(pcie); |
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} |
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static const struct bcma_device_id iproc_pcie_bcma_table[] = { |
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BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_NS_PCIEG2, BCMA_ANY_REV, BCMA_ANY_CLASS), |
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{}, |
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}; |
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MODULE_DEVICE_TABLE(bcma, iproc_pcie_bcma_table); |
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static struct bcma_driver iproc_pcie_bcma_driver = { |
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.name = KBUILD_MODNAME, |
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.id_table = iproc_pcie_bcma_table, |
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.probe = iproc_pcie_bcma_probe, |
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.remove = iproc_pcie_bcma_remove, |
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}; |
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module_bcma_driver(iproc_pcie_bcma_driver); |
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MODULE_AUTHOR("Hauke Mehrtens"); |
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MODULE_DESCRIPTION("Broadcom iProc PCIe BCMA driver"); |
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MODULE_LICENSE("GPL v2");
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