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/* $OpenBSD: ichreg.h,v 1.3 2004/10/05 18:58:40 grange Exp $ */
/*
* Copyright (c) 2004 Alexander Yurchenko <grange@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _DEV_PCI_ICHREG_H_
#define _DEV_PCI_ICHREG_H_
/*
* Intel ICH registers definitions
*/
/*
* LPC interface bridge registers
*/
/*
* PCI configuration registers
*/
#define ICH_PMBASE 0x40 /* ACPI base address */
#define ICH_ACPI_CNTL 0x44 /* ACPI control */
#define ICH_ACPI_CNTL_ACPI_EN (1 << 4) /* ACPI enable */
#define ICH_GEN_PMCON1 0xa0 /* general PM configuration */
/* ICHx-M only */
#define ICH_GEN_PMCON1_SS_EN 0x08 /* enable SpeedStep */
#define ICH_PMSIZE 128 /* ACPI space size */
/*
* Power management I/O registers
*/
#define ICH_PM_TMR 0x08 /* PM timer */
/* ICHx-M only */
#define ICH_PM_CNTL 0x20 /* power management control */
#define ICH_PM_ARB_DIS 0x01 /* disable arbiter */
#define ICH_PM_SS_CNTL 0x50 /* SpeedStep control */
#define ICH_PM_SS_STATE_LOW 0x01 /* low power state */
#endif /* !_DEV_PCI_ICHREG_H_ */
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