/*
 * This file is part of the LinuxBIOS project.
 *
 * Copyright (C) 2007 Corey Osgood <corey.osgood@gmail.com>
 *
 * 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
 */

#ifndef SOUTHBRIDGE_INTEL_I82801XX_I82801XX_H
#define SOUTHBRIDGE_INTEL_I82801XX_I82801XX_H

#ifndef __ROMCC__
#include "chip.h"
extern void i82801xx_enable(device_t dev);
#endif

#define PCI_DMA_CFG		0x90
#define SERIRQ_CNTL		0x64
#define GEN_CNTL		0xd0
#define GEN_STS			0xd4
#define RTC_CONF		0xd8
#define GEN_PMCON_3		0xa4

#define PCICMD			0x04
#define PMBASE			0x40
#define PM_BASE_ADDR		0x1100
#define ACPI_CNTL		0x44
#define BIOS_CNTL		0x4E
#define GPIO_BASE		0x58
#define GPIO_BASE_ADDR		0x1180
#define GPIO_CNTL		0x5C
#define PIRQA_ROUT		0x60
#define PIRQE_ROUT		0x68
#define COM_DEC			0xE0
#define LPC_EN			0xE6
#define FUNC_DIS		0xF2

#define CMD			0x04
#define SBUS_NUM		0x19
#define SUB_BUS_NUM		0x1A
#define SMLT			0x1B
#define IOBASE			0x1C
#define IOLIM			0x1D
#define MEMBASE			0x20
#define MEMLIM			0x22
#define CNF			0x50
#define MTT			0x70
#define PCI_MAST_STS		0x82

/* GEN_PMCON_3 bits */
#define RTC_BATTERY_DEAD	(1 << 2)
#define RTC_POWER_FAILED	(1 << 1)
#define SLEEP_AFTER_POWER_FAIL	(1 << 0)

/* PCI Configuration Space (D31:F1) */
#define IDE_TIM_PRI		0x40	/* IDE timings, primary */
#define IDE_TIM_SEC		0x42	/* IDE timings, secondary */

/* IDE_TIM bits */
#define IDE_DECODE_ENABLE	(1 << 15)

/* PCI Configuration Space (D31:F3) */
#define SMB_BASE		0x20
#define HOSTC			0x40

/* HOSTC bits */
#define I2C_EN			(1 << 2)
#define SMB_SMI_EN		(1 << 1)
#define HST_EN			(1 << 0)

/* SMBus I/O bits.
 * TODO: Does it matter where we put the SMBus IO base, as long as we keep
 * consistent and don't interfere with anything else?
 */
/* #define SMBUS_IO_BASE 0x1000 */
#define SMBUS_IO_BASE		0x0f00

#define SMBHSTSTAT		0x0
#define SMBHSTCTL		0x2
#define SMBHSTCMD		0x3
#define SMBXMITADD		0x4
#define SMBHSTDAT0		0x5
#define SMBHSTDAT1		0x6
#define SMBBLKDAT		0x7
#define SMBTRNSADD		0x9
#define SMBSLVDATA		0xa
#define SMLINK_PIN_CTL		0xe
#define SMBUS_PIN_CTL		0xf

#define SMBUS_TIMEOUT		(10 * 1000 * 100)

/* HPET, if present */
#define HPET_ADDR		0xfed0000

#endif				/* SOUTHBRIDGE_INTEL_I82801XX_I82801XX_H */