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Annotation of sys/dev/ic/i82810reg.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: i82810reg.h,v 1.4 2007/05/22 04:14:03 jsg Exp $       */
                      2:
                      3: /*
                      4:  * Copyright (c) 2000 Michael Shalayeff
                      5:  * All rights reserved.
                      6:  *
                      7:  * Redistribution and use in source and binary forms, with or without
                      8:  * modification, are permitted provided that the following conditions
                      9:  * are met:
                     10:  * 1. Redistributions of source code must retain the above copyright
                     11:  *    notice, this list of conditions and the following disclaimer.
                     12:  * 2. Redistributions in binary form must reproduce the above copyright
                     13:  *    notice, this list of conditions and the following disclaimer in the
                     14:  *    documentation and/or other materials provided with the distribution.
                     15:  *
                     16:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
                     17:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
                     18:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
                     19:  * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
                     20:  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
                     21:  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
                     22:  * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     23:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
                     24:  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
                     25:  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
                     26:  * THE POSSIBILITY OF SUCH DAMAGE.
                     27:  */
                     28:
                     29: /* Intel i82810/810E memory and graphics controller */
                     30:
                     31: /* Host-Hub Interface Bridge/DRAM Controller Device Registers (Device 0) */
                     32: #define        I82810_SMRAM            0x70
                     33: #define        I82810_SMRAM_GMS_DIS    0x00
                     34: #define        I82810_SMRAM_GMS_RSRVD  0x40
                     35: #define        I82810_SMRAM_GMS_512    0x80
                     36: #define        I82810_SMRAM_GMS_1024   0xc0
                     37: #define        I82810_SMRAM_USMM_DIS   0x00
                     38: #define        I82810_SMRAM_USMM_TDHE  0x10
                     39: #define        I82810_SMRAM_USMM_T5HE  0x20
                     40: #define        I82810_SMRAM_USMM_T1HE  0x30
                     41: #define        I82810_SMRAM_LSMM_DIS   0x00
                     42: #define        I82810_SMRAM_LSMM_GSM   0x04
                     43: #define        I82810_SMRAM_LSMM_CRSH  0x08
                     44: #define        I82810_SMRAM_D_LCK      0x02
                     45: #define        I82810_SMRAM_E_SMERR    0x01
                     46: #define        I82810_MISCC            0x72
                     47: #define        I82810_MISCC_GDCWS      0x0001
                     48: #define        I82810_MISCC_P_LCK      0x0008
                     49: #define        I82810_MISCC_WPTHC_NO   0x0000
                     50: #define        I82810_MISCC_WPTHC_625  0x0010
                     51: #define        I82810_MISCC_WPTHC_500  0x0020
                     52: #define        I82810_MISCC_WPTHC_375  0x0030
                     53: #define        I82810_MISCC_RPTHC_NO   0x0000
                     54: #define        I82810_MISCC_RPTHC_625  0x0040
                     55: #define        I82810_MISCC_RPTHC_500  0x0080
                     56: #define        I82810_MISCC_RPTHC_375  0x00c0
                     57:
                     58: /* Graphics Device Registers (Device 1) */
                     59: #define        I82810_GMADR            0x10
                     60: #define        I82810_MMADR            0x14
                     61:
                     62: #define        I82810_DRT              0x3000
                     63: #define        I82810_DRT_DP           0x01
                     64: #define        I82810_DRAMCL           0x3001
                     65: #define        I82810_DRAMCL_RPT       0x01
                     66: #define        I82810_DRAMCL_RT        0x02
                     67: #define        I82810_DRAMCL_CL        0x04
                     68: #define        I82810_DRAMCL_RCO       0x08
                     69: #define        I82810_DRAMCL_PMC       0x10
                     70: #define        I82810_DRAMCH           0x3002
                     71: #define        I82810_DRAMCH_SMS       0x07
                     72: #define        I82810_DRAMCH_DRR       0x18
                     73: #define        I82810_GTT              0x10000
                     74:
                     75: /*
                     76:  * Intel i82820 memory and graphics controller
                     77:  */
                     78:
                     79: /* Host-Hub Interface Bridge/DRAM Controller Device Registers (Device 0) */
                     80: #define        I82820_SMRAM            0x9c
                     81: #define        I82820_SMRAM_SHIFT      8
                     82: #define        I82820_SMRAM_G_SMRAME   (1 << 3)
                     83: #define        I82820_SMRAM_D_LCK      (1 << 4)
                     84: #define        I82820_SMRAM_D_CLS      (1 << 5)
                     85: #define        I82820_SMRAM_D_OPEN     (1 << 6)