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/*
* This file is part of the LinuxBIOS project.
*
* Copyright (C) 2005 Tyan Computer
* (Written by Yinghai Lu <yinghailu@gmail.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; 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <console/console.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
static void pci_init(struct device *dev)
{
uint32_t reg32;
uint16_t reg16;
/* Clear system errors */
reg16 = pci_read_config16(dev, 0x06);
reg16 |= 0xf900; /* Clear possible errors */
pci_write_config16(dev, 0x06, reg16);
/* i82801er has this commented out, wonder why? */
/* System error enable */
reg32 = pci_read_config32(dev, 0x04);
reg32 |= (1 << 8); /* SERR# Enable */
reg32 |= (1 << 6); /* Parity Error Response */
pci_write_config32(dev, 0x04, reg32);
reg16 = pci_read_config16(dev, 0x1e);
reg16 |= 0xf800; /* Clear possible errors */
pci_write_config16(dev, 0x1e, reg16);
}
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,
};
static struct pci_driver i82801aa_pci __pci_driver = {
.ops = &pci_ops,
.vendor = PCI_VENDOR_ID_INTEL,
.device = 0x2418,
};
static struct pci_driver i82801ab_pci __pci_driver = {
.ops = &pci_ops,
.vendor = PCI_VENDOR_ID_INTEL,
.device = 0x2428,
};
/* i82801ba, ca, db, eb, and er */
static struct pci_driver i82801misc_pci __pci_driver = {
.ops = &pci_ops,
.vendor = PCI_VENDOR_ID_INTEL,
.device = 0x244e,
};
static struct pci_driver i82801dbm_pci __pci_driver = {
.ops = &pci_ops,
.vendor = PCI_VENDOR_ID_INTEL,
.device = 0x2448,
};
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