agpreg.h revision 1.11 1 /* $NetBSD: agpreg.h,v 1.11 2007/03/27 00:34:16 jmcneill 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_MSAC 0x62
228 #define AGP_I915_MSAC_APER_128M 0x02
229
230 #endif /* !_PCI_AGPREG_H_ */
231