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/*
* This file is part of the coreboot 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_I82801AX_I82801AX_H
#define SOUTHBRIDGE_INTEL_I82801AX_I82801AX_H
#if !defined(__PRE_RAM__)
#include "chip.h"
void i82801ax_enable(device_t dev);
#endif
#if defined(__PRE_RAM__) && !defined(__ROMCC__)
void enable_smbus(void);
int smbus_read_byte(u8 device, u8 address);
#endif
#define SMBUS_IO_BASE 0x0f00
#define PMBASE_ADDR 0x0400
#define PCI_DMA_CFG 0x90
#define SERIRQ_CNTL 0x64
#define GEN_CNTL 0xd0
#define GEN_STA 0xd4
#define RTC_CONF 0xd8
#define GEN_PMCON_3 0xa4
#define PMBASE 0x40
#define ACPI_CNTL 0x44
#define ACPI_EN (1 << 4)
#define BIOS_CNTL 0x4E
#define GPIO_BASE 0x58 /* GPIO Base Address Register */
#define GPIO_CNTL 0x5C /* GPIO Control Register */
#define GPIO_EN (1 << 4)
#define PIRQA_ROUT 0x60
#define PIRQB_ROUT 0x61
#define PIRQC_ROUT 0x62
#define PIRQD_ROUT 0x63
#define FUNC_DIS 0xF2
#define COM_DEC 0xE0 /* LPC I/F Comm. Port Decode Ranges */
#define LPC_EN 0xE6 /* LPC IF Enables */
// TODO: FDC_DEC etc.
#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
#define TCOBASE 0x60 /* TCO Base Address Register */
#define TCO1_CNT 0x08 /* TCO1 Control Register */
/* GEN_PMCON_3 bits */
#define RTC_BATTERY_DEAD (1 << 2)
#define RTC_POWER_FAILED (1 << 1)
#define SLEEP_AFTER_POWER_FAIL (1 << 0)
/* IDE Timing registers (IDE_TIM) */
#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)
/* 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 registers. */
#define SMBHSTSTAT 0x0
#define SMBHSTCTL 0x2
#define SMBHSTCMD 0x3
#define SMBXMITADD 0x4
#define SMBHSTDAT0 0x5
#define SMBHSTDAT1 0x6
#define SMBBLKDAT 0x7
#define SMBUS_TIMEOUT (10 * 1000 * 100)
#endif
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