/* * This file is part of the coreboot project. * * Copyright (C) 2009 University of Heidelberg * Written by Mondrian Nuessle <nuessle@uni-heidelberg.de> for * University of Heidelberg. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ #include <console/console.h> #include <device/device.h> #include <device/pci.h> #include <device/pci_ids.h> #include <device/pci_ops.h> static void pcie_init(struct device *dev) { /* Enable pci error detecting */ uint32_t dword; uint32_t msicap; printk(BIOS_DEBUG, "PCIE enable.... dev= %s\n",dev_path(dev)); /* System error enable */ dword = pci_read_config32(dev, 0x04); dword |= (1<<8); /* System error enable */ dword |= (1<<30); /* Clear possible errors */ pci_write_config32(dev, 0x04, dword); /* enable MSI on PCIE: */ msicap = pci_read_config32(dev, 0xa0); msicap |= (1<<16); /* enable MSI*/ pci_write_config32(dev, 0xa0, msicap); } static struct pci_operations lops_pci = { .set_subsystem = 0, }; static struct device_operations pcie_ops = { .read_resources = pci_bus_read_resources, .set_resources = pci_dev_set_resources, .enable_resources = pci_bus_enable_resources, .init = pcie_init, .scan_bus = pci_scan_bridge, .reset_bus = pci_bus_reset, .ops_pci = &lops_pci, }; static const struct pci_driver pcie_driver1 __pci_driver = { .ops = &pcie_ops, .vendor = PCI_VENDOR_ID_SERVERWORKS, .device = PCI_DEVICE_ID_SERVERWORKS_BCM21000_EXB0, }; static const struct pci_driver pcie_driver2 __pci_driver = { .ops = &pcie_ops, .vendor = PCI_VENDOR_ID_SERVERWORKS, .device = PCI_DEVICE_ID_SERVERWORKS_BCM21000_EXB1, }; static const struct pci_driver pcie_driver3 __pci_driver = { .ops = &pcie_ops, .vendor = PCI_VENDOR_ID_SERVERWORKS, .device = PCI_DEVICE_ID_SERVERWORKS_BCM21000_EXB2, };