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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2008 coresystems GmbH
*
* 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_I82801GX_I82801GX_H
#define SOUTHBRIDGE_INTEL_I82801GX_I82801GX_H
#include "chip.h"
extern void i82801gx_enable(device_t dev);
#define SERIRQ_CNTL 0x64
#define GEN_PMCON_1 0xa0
#define GEN_PMCON_2 0xa2
#define GEN_PMCON_3 0xa4
/* GEN_PMCON_3 bits */
#define RTC_BATTERY_DEAD (1 << 2)
#define RTC_POWER_FAILED (1 << 1)
#define SLEEP_AFTER_POWER_FAIL (1 << 0)
#define PMBASE 0x40
#define ACPI_CNTL 0x44
#define BIOS_CNTL 0xDC
#define GPIO_BASE 0x48 /* LPC GPIO Base Address Register */
#define GPIO_CNTL 0x4C /* LPC GPIO Control Register */
#define PIRQA_ROUT 0x60
#define PIRQB_ROUT 0x61
#define PIRQC_ROUT 0x62
#define PIRQD_ROUT 0x63
#define PIRQE_ROUT 0x68
#define PIRQF_ROUT 0x69
#define PIRQG_ROUT 0x6A
#define PIRQH_ROUT 0x6B
#define LPC_IO_DEC 0x80 /* IO Decode Ranges Register */
#define LPC_EN 0x82 /* LPC IF Enables Register */
/* PCI Configuration Space (D31:F1): IDE */
#define INTR_LN 0x3c
#define IDE_TIM_PRI 0x40 /* IDE timings, primary */
#define IDE_DECODE_ENABLE (1 << 15)
#define IDE_SITRE (1 << 14)
#define IDE_TIM_SEC 0x42 /* IDE timings, secondary */
#define IDE_CONFIG 0x54 /* IDE I/O Configuration Register */
#define SIG_MODE_NORMAL (0 << 16)
#define SIG_MODE_TRISTATE (1 << 16)
#define SIG_MODE_DRIVELOW (2 << 16)
#define FAST_PCB1 (1 << 13)
#define FAST_PCB0 (1 << 12)
#define PCB1 (1 << 1)
#define PCB0 (1 << 0)
/* PCI Configuration Space (D31:F3): SMBus */
#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: It does not matter where we put the SMBus IO base, as long as we keep
* consistent and don't interfere with other devices. Stage2 will relocate
* this anyways. But it's a general problem we have not solved in the brightest
* possible way.
*/
/* #define SMBUS_IO_BASE 0x1000 */
#define SMBUS_IO_BASE 0x0400
#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_I82801GX_I82801GX_H */
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