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agpreg.h revision 1.12
      1 /*	$NetBSD: agpreg.h,v 1.12 2007/06/20 08:17:12 sborrill Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2000 Doug Rabson
      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 AND CONTRIBUTORS ``AS IS'' AND
     17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  * SUCH DAMAGE.
     27  *
     28  *	$FreeBSD: src/sys/pci/agpreg.h,v 1.3 2000/07/12 10:13:04 dfr Exp $
     29  */
     30 
     31 #ifndef _PCI_AGPREG_H_
     32 #define _PCI_AGPREG_H_
     33 
     34 /*
     35  * Offsets for various AGP configuration registers.
     36  */
     37 #define AGP_APBASE		0x10
     38 
     39 #define AGP_STATUS		0x4
     40 #define AGP_COMMAND		0x8
     41 
     42 /*
     43  * Config registers for Intel AGP chipsets.
     44  */
     45 /* i845/855PM */
     46 #define	AGP_I845_AGPMISC	0x51
     47 # define AGPMISC_AAGN		(1U << 1)  /* Aperture AccessEN */
     48 
     49 /* i840/850/850E */
     50 #define AGP_I840_MCHCFG		0x50
     51 # define MCHCFG_AAGN		(1U << 9)  /* Aperture AccessEN */
     52 
     53 /* i82443LX/BX/GX */
     54 #define AGP_INTEL_NBXCFG	0x50
     55 # define NBXCFG_APAE		(1U << 10) /* AGPtoPCI AccessDIS */
     56 # define NBXCFG_AAGN		(1U << 9)  /* Aperture AccessEN */
     57 
     58 /* Error Status for i8XX Chipset */
     59 #define	AGP_INTEL_I8XX_ERRSTS	0xc8
     60 
     61 /* Common register */
     62 #define	AGP_INTEL_ERRSTS	0x91	/* Not i8XX */
     63 #define AGP_INTEL_AGPCMD	0xa8
     64 # define AGPCMD_SBA		(1U << 9)
     65 # define AGPCMD_AGPEN		(1U << 8)
     66 # define AGPCMD_FWEN		(1U << 4)
     67 # define AGPCMD_RATE_1X		(1U << 1)
     68 # define AGPCMD_RATE_2X		(1U << 2)
     69 # define AGPCMD_RATE_4X		(1U << 3)
     70 
     71 #define AGP_INTEL_AGPCTRL	0xb0
     72 # define AGPCTRL_AGPRSE		(1U << 13) /* AGPRSE (82443 only)*/
     73 # define AGPCTRL_GTLB		(1U << 7)  /* GTLB EN */
     74 
     75 #define AGP_INTEL_APSIZE	0xb4
     76 # define APSIZE_MASK		0x3f
     77 
     78 #define AGP_INTEL_ATTBASE	0xb8
     79 
     80 /*
     81  * Config offsets for VIA AGP 2.x chipsets.
     82  */
     83 #define AGP_VIA_GARTCTRL	0x80
     84 #define AGP_VIA_APSIZE		0x84
     85 #define AGP_VIA_ATTBASE		0x88
     86 
     87 /*
     88  * Config offsets for VIA AGP 3.0 chipsets.
     89  */
     90 #define AGP3_VIA_GARTCTRL	0x90
     91 #define AGP3_VIA_APSIZE		0x94
     92 #define AGP3_VIA_ATTBASE	0x98
     93 #define AGP_VIA_AGPSEL		0xfd
     94 
     95 /*
     96  * Config offsets for SiS AGP chipsets.
     97  */
     98 #define AGP_SIS_ATTBASE		0x90
     99 #define AGP_SIS_WINCTRL		0x94
    100 #define AGP_SIS_TLBCTRL		0x97
    101 #define AGP_SIS_TLBFLUSH	0x98
    102 
    103 /*
    104  * Config offsets for Ali AGP chipsets.
    105  */
    106 #define AGP_ALI_AGPCTRL		0xb8
    107 #define AGP_ALI_ATTBASE		0xbc
    108 #define AGP_ALI_TLBCTRL		0xc0
    109 
    110 /*
    111  * Config offsets for the AMD 751 chipset.
    112  */
    113 #define AGP_AMD751_REGISTERS	0x14
    114 #define AGP_AMD751_APCTRL	0xac
    115 #define AGP_AMD751_MODECTRL	0xb0
    116 #define AGP_AMD751_MODECTRL_SYNEN	0x80
    117 #define AGP_AMD751_MODECTRL2	0xb2
    118 #define AGP_AMD751_MODECTRL2_G1LM	0x01
    119 #define AGP_AMD751_MODECTRL2_GPDCE	0x02
    120 #define AGP_AMD751_MODECTRL2_NGSE	0x08
    121 
    122 /*
    123  * Memory mapped register offsets for AMD 751 chipset.
    124  */
    125 #define AGP_AMD751_CAPS		0x00
    126 #define AGP_AMD751_CAPS_EHI		0x0800
    127 #define AGP_AMD751_CAPS_P2P		0x0400
    128 #define AGP_AMD751_CAPS_MPC		0x0200
    129 #define AGP_AMD751_CAPS_VBE		0x0100
    130 #define AGP_AMD751_CAPS_REV		0x00ff
    131 #define AGP_AMD751_STATUS	0x02
    132 #define AGP_AMD751_STATUS_P2PS		0x0800
    133 #define AGP_AMD751_STATUS_GCS		0x0400
    134 #define AGP_AMD751_STATUS_MPS		0x0200
    135 #define AGP_AMD751_STATUS_VBES		0x0100
    136 #define AGP_AMD751_STATUS_P2PE		0x0008
    137 #define AGP_AMD751_STATUS_GCE		0x0004
    138 #define AGP_AMD751_STATUS_VBEE		0x0001
    139 #define AGP_AMD751_ATTBASE	0x04
    140 #define AGP_AMD751_TLBCTRL	0x0c
    141 
    142 /*
    143  * Config registers for i810 device 0
    144  */
    145 #define AGP_I810_SMRAM		0x70
    146 #define AGP_I810_SMRAM_GMS		0xc0
    147 #define AGP_I810_SMRAM_GMS_DISABLED	0x00
    148 #define AGP_I810_SMRAM_GMS_ENABLED_0	0x40
    149 #define AGP_I810_SMRAM_GMS_ENABLED_512	0x80
    150 #define AGP_I810_SMRAM_GMS_ENABLED_1024	0xc0
    151 #define AGP_I810_MISCC		0x72
    152 #define	AGP_I810_MISCC_WINSIZE		0x0001
    153 #define AGP_I810_MISCC_WINSIZE_64	0x0000
    154 #define AGP_I810_MISCC_WINSIZE_32	0x0001
    155 #define AGP_I810_MISCC_PLCK		0x0008
    156 #define AGP_I810_MISCC_PLCK_UNLOCKED	0x0000
    157 #define AGP_I810_MISCC_PLCK_LOCKED	0x0008
    158 #define AGP_I810_MISCC_WPTC		0x0030
    159 #define AGP_I810_MISCC_WPTC_NOLIMIT	0x0000
    160 #define AGP_I810_MISCC_WPTC_62		0x0010
    161 #define AGP_I810_MISCC_WPTC_50		0x0020
    162 #define	AGP_I810_MISCC_WPTC_37		0x0030
    163 #define AGP_I810_MISCC_RPTC		0x00c0
    164 #define AGP_I810_MISCC_RPTC_NOLIMIT	0x0000
    165 #define AGP_I810_MISCC_RPTC_62		0x0040
    166 #define AGP_I810_MISCC_RPTC_50		0x0080
    167 #define AGP_I810_MISCC_RPTC_37		0x00c0
    168 
    169 /*
    170  * Config registers for i810 device 1
    171  */
    172 #define AGP_I810_GMADR		0x10
    173 #define AGP_I810_MMADR		0x14
    174 
    175 /*
    176  * Memory mapped register offsets for i810 chipset.
    177  */
    178 #define AGP_I810_PGTBL_CTL	0x2020
    179 #define AGP_I810_DRT		0x3000
    180 #define AGP_I810_DRT_UNPOPULATED 0x00
    181 #define AGP_I810_DRT_POPULATED	0x01
    182 #define AGP_I810_GTT		0x10000
    183 
    184 /*
    185  * Config registers for i830MG device 0
    186  */
    187 #define AGP_I830_GCC0			0x50
    188 #define AGP_I830_GCC1			0x52
    189 #define AGP_I830_GCC1_DEV2		0x08
    190 #define AGP_I830_GCC1_DEV2_ENABLED	0x00
    191 #define AGP_I830_GCC1_DEV2_DISABLED	0x08
    192 #define AGP_I830_GCC1_GMS		0x70
    193 #define AGP_I830_GCC1_GMS_STOLEN_512	0x20
    194 #define AGP_I830_GCC1_GMS_STOLEN_1024	0x30
    195 #define AGP_I830_GCC1_GMS_STOLEN_8192	0x40
    196 #define AGP_I830_GCC1_GMASIZE		0x01
    197 #define AGP_I830_GCC1_GMASIZE_64	0x01
    198 #define AGP_I830_GCC1_GMASIZE_128	0x00
    199 
    200 
    201 /*
    202  * Config registers for 852GM/855GM/865G device 0
    203  */
    204 #define AGP_I855_GCC1			0x52
    205 #define AGP_I855_GCC1_DEV2		0x08
    206 #define AGP_I855_GCC1_DEV2_ENABLED	0x00
    207 #define AGP_I855_GCC1_DEV2_DISABLED	0x08
    208 #define AGP_I855_GCC1_GMS		0x70
    209 #define AGP_I855_GCC1_GMS_STOLEN_0M	0x00
    210 #define AGP_I855_GCC1_GMS_STOLEN_1M	0x10
    211 #define AGP_I855_GCC1_GMS_STOLEN_4M	0x20
    212 #define AGP_I855_GCC1_GMS_STOLEN_8M	0x30
    213 #define AGP_I855_GCC1_GMS_STOLEN_16M	0x40
    214 #define AGP_I855_GCC1_GMS_STOLEN_32M	0x50
    215 
    216 /*
    217  * Config registers for 915G/915GM
    218  */
    219 #define AGP_I915_MMADR			0x10
    220 #define AGP_I915_GMADR			0x18
    221 #define AGP_I915_GTTADR			0x1c
    222 #define AGP_I915_GCC1			0x52
    223 #define 	AGP_I915_GCC1_GMS		0x70
    224 #define 	AGP_I915_GCC1_GMS_STOLEN_0M	0x00
    225 #define 	AGP_I915_GCC1_GMS_STOLEN_1M	0x10
    226 #define 	AGP_I915_GCC1_GMS_STOLEN_8M	0x30
    227 #define 	AGP_I915_GCC1_GMS_STOLEN_16M	0x40
    228 #define 	AGP_I915_GCC1_GMS_STOLEN_32M	0x50
    229 #define 	AGP_I915_GCC1_GMS_STOLEN_48M	0x60
    230 #define 	AGP_I915_GCC1_GMS_STOLEN_64M	0x70
    231 #define AGP_I915_MSAC			0x62
    232 #define 	AGP_I915_MSAC_APER_128M		0x02
    233 
    234 #endif /* !_PCI_AGPREG_H_ */
    235