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/*
* This file is part of the LinuxBIOS project.
*
* 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>
#include "i82801db.h"
void i82801db_enable(device_t dev)
{
device_t lpc_dev;
uint16_t word;
printk_debug("Entering %s\n", __FUNCTION__);
/* See if we are behind the i82801db pci bridge
lpc_dev = dev_find_slot(dev->bus->secondary, PCI_DEVFN(0x1f, 0));
*/
lpc_dev = dev_find_slot(0, PCI_DEVFN(0x1f, 0));
if (!lpc_dev) {
return;
}
word = 0x0040;
pci_write_config16(lpc_dev, 0xf2, word);
/*
if((dev->path.u.pci.devfn &0xf8)== 0xf8) {
index = dev->path.u.pci.devfn & 7;
}
else if((dev->path.u.pci.devfn &0xf8)== 0xe8) {
index = (dev->path.u.pci.devfn & 7) +8;
}
reg = reg_old = pci_read_config16(lpc_dev, 0xf2);
reg &= ~(1 << index);
if (!dev->enabled) {
reg |= (1 << index);
}
if (reg != reg_old) {
printk_debug("Trying to enable device, [0:1f:0] reg 0xf2 <- %04x\n", reg);
pci_write_config16(lpc_dev, 0xf2, reg);
}
*/
}
struct chip_operations southbridge_intel_i82801db_ops = {
CHIP_NAME("Intel 82801DB Southbridge")
.enable_dev = i82801db_enable,
};
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