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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>
#include <device/pci_ops.h>
#include "i82801xx.h"
/* TODO: set dynamically, if the user only wants one sata channel or none at all */
static void sata_init(struct device *dev)
{
/* SATA configuration */
pci_write_config8(dev, 0x04, 0x07);
pci_write_config8(dev, 0x09, 0x8f);
/* Set timmings */
pci_write_config16(dev, 0x40, 0x0a307);
pci_write_config16(dev, 0x42, 0x0a307);
/* Sync DMA */
pci_write_config16(dev, 0x48, 0x000f);
pci_write_config16(dev, 0x4a, 0x1111);
/* 66 mhz */
pci_write_config16(dev, 0x54, 0xf00f);
/* Combine ide - sata configuration */
pci_write_config8(dev, 0x90, 0x0);
/* port 0 & 1 enable */
pci_write_config8(dev, 0x92, 0x33);
/* initialize SATA */
pci_write_config16(dev, 0xa0, 0x0018);
pci_write_config32(dev, 0xa4, 0x00000264);
pci_write_config16(dev, 0xa0, 0x0040);
pci_write_config32(dev, 0xa4, 0x00220043);
}
static struct device_operations sata_ops = {
.read_resources = pci_dev_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pci_dev_enable_resources,
.init = sata_init,
.scan_bus = 0,
.enable = i82801xx_enable,
};
/* i82801eb */
static struct pci_driver i82801eb_sata_driver __pci_driver = {
.ops = &sata_ops,
.vendor = PCI_VENDOR_ID_INTEL,
.device = 0x24d1,
};
/* i82801er */
static struct pci_driver i82801er_sata_driver __pci_driver = {
.ops = &sata_ops,
.vendor = PCI_VENDOR_ID_INTEL,
.device = 0x24df,
};
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