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/*
* 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)
{
struct device *dev;
unsigned long mcfg_base;
dev = pcidev_on_root(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,
};
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