1 /* $NetBSD: agpreg.h,v 1.19 2008/03/11 13:36:14 joerg 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 0x90 /* bytes at 0x91 and 0x92, 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 0xfc 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 0x50 /* upper word */ 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 0xf0 /* Top bit reserved pre-G33 */ 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 0x60 /* upper word */ 232 #define AGP_I915_MSAC_APER_128M 0x02 233 234 /* 235 * Config registers for 965G/965Q 236 */ 237 #define AGP_I965_MMADR 0x10 238 #define AGP_I965_GMADR 0x18 239 240 #define AGP_I965_GTT 0x80000 241 242 /* 243 * Config registers for G33 244 */ 245 #define AGP_G33_PGTBL_SIZE_MASK (3U << 8) 246 #define AGP_G33_PGTBL_SIZE_1M (1U << 8) 247 #define AGP_G33_PGTBL_SIZE_2M (2U << 8) 248 249 #define AGP_G33_GCC1_GMS_STOLEN_128M 0x80 250 #define AGP_G33_GCC1_GMS_STOLEN_256M 0x90 251 252 /* 253 * AMD64 GART registers 254 */ 255 #define AGP_AMD64_APCTRL 0x90 256 #define AGP_AMD64_APBASE 0x94 257 #define AGP_AMD64_ATTBASE 0x98 258 #define AGP_AMD64_CACHECTRL 0x9c 259 #define AGP_AMD64_APCTRL_GARTEN 0x00000001 260 #define AGP_AMD64_APCTRL_SIZE_MASK 0x0000000e 261 #define AGP_AMD64_APCTRL_DISGARTCPU 0x00000010 262 #define AGP_AMD64_APCTRL_DISGARTIO 0x00000020 263 #define AGP_AMD64_APCTRL_DISWLKPRB 0x00000040 264 #define AGP_AMD64_APBASE_MASK 0x00007fff 265 #define AGP_AMD64_ATTBASE_MASK 0xfffffff0 266 #define AGP_AMD64_CACHECTRL_INVGART 0x00000001 267 #define AGP_AMD64_CACHECTRL_PTEERR 0x00000002 268 269 /* 270 * NVIDIA nForce3 registers 271 */ 272 #define AGP_AMD64_NVIDIA_0_APBASE 0x10 273 #define AGP_AMD64_NVIDIA_1_APBASE1 0x50 274 #define AGP_AMD64_NVIDIA_1_APLIMIT1 0x54 275 #define AGP_AMD64_NVIDIA_1_APSIZE 0xa8 276 #define AGP_AMD64_NVIDIA_1_APBASE2 0xd8 277 #define AGP_AMD64_NVIDIA_1_APLIMIT2 0xdc 278 279 /* 280 * ULi M1689 registers 281 */ 282 #define AGP_AMD64_ULI_APBASE 0x10 283 #define AGP_AMD64_ULI_HTT_FEATURE 0x50 284 #define AGP_AMD64_ULI_ENU_SCR 0x54 285 286 #endif /* !_PCI_AGPREG_H_ */ 287