1fc0edd9fe
Change-Id: Ie004a94a49fc8f53c370412bee1c3e7eacbf8beb Signed-off-by: Angel Pons <th3fanbus@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/41944 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Michael Niewöhner Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: Nico Huber <nico.h@gmx.de>
70 lines
1.6 KiB
C
70 lines
1.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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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 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_dev_ops_pci,
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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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