88 lines
2.2 KiB
C
88 lines
2.2 KiB
C
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/*
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* This file is part of the coreboot project.
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*
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; version 2 of
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* the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <console/console.h>
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#include <device/device.h>
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#include <device/pci.h>
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#include <device/pciexp.h>
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#include <device/pci_ids.h>
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#include <assert.h>
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static void pcie_disable(struct device *dev)
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{
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printk(BIOS_INFO, "%s: Disabling device\n", dev_path(dev));
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dev->enabled = 0;
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}
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#if CONFIG(HAVE_ACPI_TABLES)
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static const char *pcie_acpi_name(const struct device *dev)
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{
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assert(dev);
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if (dev->path.type != DEVICE_PATH_PCI)
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return NULL;
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assert(dev->bus);
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if (dev->bus->secondary == 0)
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switch (dev->path.pci.devfn) {
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case PCI_DEVFN(1, 0):
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return "PEGP";
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case PCI_DEVFN(1, 1):
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return "PEG1";
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case PCI_DEVFN(1, 2):
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return "PEG2";
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};
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struct device *const port = dev->bus->dev;
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assert(port);
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assert(port->bus);
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if (dev->path.pci.devfn == PCI_DEVFN(0, 0) &&
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port->bus->secondary == 0 &&
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(port->path.pci.devfn == PCI_DEVFN(1, 0) ||
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port->path.pci.devfn == PCI_DEVFN(1, 1) ||
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port->path.pci.devfn == PCI_DEVFN(1, 2)))
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return "DEV0";
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return NULL;
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}
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#endif
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static struct pci_operations pci_ops = {
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.set_subsystem = pci_dev_set_subsystem,
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};
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static struct device_operations device_ops = {
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.read_resources = pci_bus_read_resources,
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.set_resources = pci_dev_set_resources,
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.enable_resources = pci_bus_enable_resources,
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.scan_bus = pciexp_scan_bridge,
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.reset_bus = pci_bus_reset,
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.disable = pcie_disable,
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.init = pci_dev_init,
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.ops_pci = &pci_ops,
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#if CONFIG(HAVE_ACPI_TABLES)
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.acpi_name = pcie_acpi_name,
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#endif
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};
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static const unsigned short pci_device_ids[] = { 0x0c01, 0x0c05, 0x0c09, 0x0c0d, 0 };
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static const struct pci_driver pch_pcie __pci_driver = {
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.ops = &device_ops,
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.vendor = PCI_VENDOR_ID_INTEL,
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.devices = pci_device_ids,
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};
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