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/* $OpenBSD: i82810reg.h,v 1.3 2005/05/19 19:38:07 grange Exp $ */
/*
* Copyright (c) 2000 Michael Shalayeff
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Intel i82810/810E memory and graphics controller
* http://
*/
/* Host-Hub Interface Bridge/DRAM Controller Device Registers (Device 0) */
#define I82810_SMRAM 0x70
#define I82810_SMRAM_GMS_DIS 0x00
#define I82810_SMRAM_GMS_RSRVD 0x40
#define I82810_SMRAM_GMS_512 0x80
#define I82810_SMRAM_GMS_1024 0xc0
#define I82810_SMRAM_USMM_DIS 0x00
#define I82810_SMRAM_USMM_TDHE 0x10
#define I82810_SMRAM_USMM_T5HE 0x20
#define I82810_SMRAM_USMM_T1HE 0x30
#define I82810_SMRAM_LSMM_DIS 0x00
#define I82810_SMRAM_LSMM_GSM 0x04
#define I82810_SMRAM_LSMM_CRSH 0x08
#define I82810_SMRAM_D_LCK 0x02
#define I82810_SMRAM_E_SMERR 0x01
#define I82810_MISCC 0x72
#define I82810_MISCC_GDCWS 0x0001
#define I82810_MISCC_P_LCK 0x0008
#define I82810_MISCC_WPTHC_NO 0x0000
#define I82810_MISCC_WPTHC_625 0x0010
#define I82810_MISCC_WPTHC_500 0x0020
#define I82810_MISCC_WPTHC_375 0x0030
#define I82810_MISCC_RPTHC_NO 0x0000
#define I82810_MISCC_RPTHC_625 0x0040
#define I82810_MISCC_RPTHC_500 0x0080
#define I82810_MISCC_RPTHC_375 0x00c0
/* Graphics Device Registers (Device 1) */
#define I82810_GMADR 0x10
#define I82810_MMADR 0x14
#define I82810_DRT 0x3000
#define I82810_DRT_DP 0x01
#define I82810_DRAMCL 0x3001
#define I82810_DRAMCL_RPT 0x01
#define I82810_DRAMCL_RT 0x02
#define I82810_DRAMCL_CL 0x04
#define I82810_DRAMCL_RCO 0x08
#define I82810_DRAMCL_PMC 0x10
#define I82810_DRAMCH 0x3002
#define I82810_DRAMCH_SMS 0x07
#define I82810_DRAMCH_DRR 0x18
#define I82810_GTT 0x10000
/*
* Intel i82820 memory and graphics controller
*/
/* Host-Hub Interface Bridge/DRAM Controller Device Registers (Device 0) */
#define I82820_SMRAM 0x9c
#define I82820_SMRAM_SHIFT 8
#define I82820_SMRAM_G_SMRAME (1 << 3)
#define I82820_SMRAM_D_LCK (1 << 4)
#define I82820_SMRAM_D_CLS (1 << 5)
#define I82820_SMRAM_D_OPEN (1 << 6)
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