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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2005 Tyan Computer
* (Written by Yinghai Lu <yinghailu@gmail.com> for Tyan Computer)
* Copyright (C) 2005 Digital Design Corporation
* (Written by Steven J. Magnani <steve@digidescorp.com> for Digital Design)
*
* 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.
*/
#include <console/console.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include "i82801bx.h"
typedef struct southbridge_intel_i82801bx_config config_t;
static void ide_init(struct device *dev)
{
u16 reg16;
config_t *conf = dev->chip_info;
reg16 = pci_read_config16(dev, IDE_TIM_PRI);
reg16 &= ~IDE_DECODE_ENABLE;
if (!conf || conf->ide0_enable)
reg16 |= IDE_DECODE_ENABLE;
printk(BIOS_DEBUG, "IDE: %s IDE interface: %s\n", "Primary",
(reg16 & IDE_DECODE_ENABLE) ? "on" : "off");
pci_write_config16(dev, IDE_TIM_PRI, reg16);
reg16 = pci_read_config16(dev, IDE_TIM_SEC);
reg16 &= ~IDE_DECODE_ENABLE;
if (!conf || conf->ide1_enable)
reg16 |= IDE_DECODE_ENABLE;
printk(BIOS_DEBUG, "IDE: %s IDE interface: %s\n", "Secondary",
(reg16 & IDE_DECODE_ENABLE) ? "on" : "off");
pci_write_config16(dev, IDE_TIM_SEC, reg16);
}
static struct device_operations ide_ops = {
.read_resources = pci_dev_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pci_dev_enable_resources,
.init = ide_init,
.scan_bus = 0,
.enable = i82801bx_enable,
};
/* 82801BA/BAM (ICH2/ICH2-M) */
static const struct pci_driver i82801ba_ide __pci_driver = {
.ops = &ide_ops,
.vendor = PCI_VENDOR_ID_INTEL,
.device = 0x244b,
};
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