| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2004 Tyan Computer |
| * Written by Yinghai Lu <yhlu@tyan.com> for Tyan Computer. |
| * |
| * 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; version 2 of the License. |
| * |
| * 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> |
| #include <arch/acpi.h> |
| #include "chip.h" |
| |
| #if IS_ENABLED(CONFIG_HAVE_ACPI_TABLES) |
| |
| unsigned long acpi_fill_mcfg(unsigned long current) |
| { |
| device_t dev; |
| unsigned long mcfg_base; |
| |
| dev = dev_find_slot(0x0, PCI_DEVFN(0x0,0)); |
| if (!dev) |
| return current; |
| |
| mcfg_base = pci_read_config16(dev, 0x90); |
| if ((mcfg_base & 0x1000) == 0) |
| return current; |
| |
| mcfg_base = (mcfg_base & 0xf) << 28; |
| |
| printk(BIOS_INFO, "mcfg_base %lx.\n", mcfg_base); |
| |
| current += acpi_create_mcfg_mmconfig((acpi_mcfg_mmconfig_t *) |
| current, mcfg_base, 0x0, 0x0, 0xff); |
| return current; |
| } |
| |
| #endif |
| |
| static void ht_init(struct device *dev) |
| { |
| u32 htmsi; |
| |
| /* Enable HT MSI Mapping in capability register */ |
| htmsi = pci_read_config32(dev, 0xe0); |
| htmsi |= (1 << 16); |
| pci_write_config32(dev, 0xe0, htmsi); |
| } |
| |
| static struct device_operations ht_ops = { |
| .read_resources = pci_dev_read_resources, |
| .set_resources = pci_dev_set_resources, |
| .enable_resources = pci_dev_enable_resources, |
| .init = ht_init, |
| .scan_bus = 0, |
| .ops_pci = &ck804_pci_ops, |
| }; |
| |
| static const struct pci_driver ht_driver __pci_driver = { |
| .ops = &ht_ops, |
| .vendor = PCI_VENDOR_ID_NVIDIA, |
| .device = PCI_DEVICE_ID_NVIDIA_CK804_HT, |
| }; |