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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 <device/pci_ops.h>
#include "i82801db.h"
static void ide_init(struct device *dev)
{
/* Enable IDE devices and timmings */
uint8_t byte;
pci_write_config16(dev, 0x40, 0x8000);
/*
pci_write_config16(dev, 0x40, 0xa307);
pci_write_config16(dev, 0x42, 0xa307);
pci_write_config8(dev, 0x48, 0x05);
pci_write_config16(dev, 0x4a, 0x0101);
pci_write_config16(dev, 0x54, 0x5055);
*/
/*
byte = pci_read_config8(dev, 0x09);
byte |= 0x0f;
pci_write_config8(dev, 0x09, byte);
*/
/* force irq into compat mode
pci_write_config32(dev, 0x10, 0x0);
pci_write_config32(dev, 0x14, 0x0);
pci_write_config32(dev, 0x18, 0x0);
pci_write_config32(dev, 0x1c, 0x0);
pci_write_config8(dev, 0x3d, 00);
*/
pci_write_config8(dev, 0x3c, 0xff);
printk_debug("IDE Enabled\n");
}
static struct device_operations ide_ops = {
.read_resources = pci_dev_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pci_dev_enable_resources,
.enable = 0,
.init = ide_init,
.scan_bus = 0,
};
static const struct pci_driver ide_driver __pci_driver = {
.ops = &ide_ops,
.vendor = PCI_VENDOR_ID_INTEL,
.device = PCI_DEVICE_ID_INTEL_82801DB_IDE,
};
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