| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* This file is part of the coreboot project. */ |
| |
| #include <device/device.h> |
| #include <device/pci.h> |
| #include <device/pci_ids.h> |
| #include <device/pci_ops.h> |
| #include "i82801dx.h" |
| |
| static void pci_init(struct device *dev) |
| { |
| /* Enable pci error detecting */ |
| uint32_t dword; |
| /* System error enable */ |
| dword = pci_read_config32(dev, 0x04); |
| dword |= (1 << 8); /* SERR# Enable */ |
| dword |= (1 << 6); /* Parity Error Response */ |
| pci_write_config32(dev, 0x04, dword); |
| } |
| |
| static struct device_operations pci_ops = { |
| .read_resources = pci_bus_read_resources, |
| .set_resources = pci_dev_set_resources, |
| .enable_resources = pci_bus_enable_resources, |
| .init = pci_init, |
| .scan_bus = pci_scan_bridge, |
| }; |
| |
| /* 82801DB */ |
| static const struct pci_driver pci_driver_db __pci_driver = { |
| .ops = &pci_ops, |
| .vendor = PCI_VENDOR_ID_INTEL, |
| .device = PCI_DEVICE_ID_INTEL_82801DB_PCI, |
| }; |
| |
| /* 82801DBM/DBL */ |
| static const struct pci_driver pci_driver_dbm __pci_driver = { |
| .ops = &pci_ops, |
| .vendor = PCI_VENDOR_ID_INTEL, |
| .device = PCI_DEVICE_ID_INTEL_82801DBM_PCI, |
| }; |