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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2007 Rudolf Marek <r.marek@assembler.cz>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License v2 as published by
* the Free Software Foundation.
*
* 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 <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <console/console.h>
static void bridge_enable(struct device *dev)
{
print_debug("B188 device dump\n");
/* VIA recommends this, sorry no known info. */
writeback(dev, 0x40, 0x91);
writeback(dev, 0x41, 0x40);
writeback(dev, 0x43, 0x44);
writeback(dev, 0x44, 0x31);
writeback(dev, 0x45, 0x3a);
writeback(dev, 0x46, 0x88); /* PCI ID lo */
writeback(dev, 0x47, 0xb1); /* PCI ID hi */
writeback(dev, 0x3e, 0x16); /* Bridge control */
dump_south(dev);
}
static const struct device_operations bridge_ops = {
.read_resources = pci_bus_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pci_bus_enable_resources,
.enable = bridge_enable,
.scan_bus = pci_scan_bridge,
.reset_bus = pci_bus_reset,
.ops_pci = 0,
};
static const struct pci_driver northbridge_driver __pci_driver = {
.ops = &bridge_ops,
.vendor = PCI_VENDOR_ID_VIA,
.device = PCI_DEVICE_ID_VIA_K8T890CE_BR,
};
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