agpreg.h revision 1.22 1 /* $NetBSD: agpreg.h,v 1.22 2014/06/12 18:46:32 riastradh 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
180 /**
181 * This field determines the actual size of the global GTT on the 965
182 * and G33
183 */
184 #define AGP_I810_PGTBL_SIZE_MASK 0x0000000e
185 #define AGP_I810_PGTBL_SIZE_512KB (0 << 1)
186 #define AGP_I810_PGTBL_SIZE_256KB (1 << 1)
187 #define AGP_I810_PGTBL_SIZE_128KB (2 << 1)
188 #define AGP_I810_DRT 0x3000
189 #define AGP_I810_DRT_UNPOPULATED 0x00
190 #define AGP_I810_DRT_POPULATED 0x01
191 #define AGP_I810_GTT 0x10000
192
193 /*
194 * Config registers for i830MG device 0
195 */
196 #define AGP_I830_GCC0 0x50
197 #define AGP_I830_GCC1 0x52
198 #define AGP_I830_GCC1_DEV2 0x08
199 #define AGP_I830_GCC1_DEV2_ENABLED 0x00
200 #define AGP_I830_GCC1_DEV2_DISABLED 0x08
201 #define AGP_I830_GCC1_GMS 0x70
202 #define AGP_I830_GCC1_GMS_STOLEN_512 0x20
203 #define AGP_I830_GCC1_GMS_STOLEN_1024 0x30
204 #define AGP_I830_GCC1_GMS_STOLEN_8192 0x40
205 #define AGP_I830_GCC1_GMASIZE 0x01
206 #define AGP_I830_GCC1_GMASIZE_64 0x01
207 #define AGP_I830_GCC1_GMASIZE_128 0x00
208
209 /*
210 * Memory mapped register offsets for i830 chipset.
211 */
212 #define AGP_I830_HIC 0x70
213
214 /*
215 * Config registers for 852GM/855GM/865G device 0
216 */
217 #define AGP_I855_GCC1 0x50 /* upper word */
218 #define AGP_I855_GCC1_DEV2 0x08
219 #define AGP_I855_GCC1_DEV2_ENABLED 0x00
220 #define AGP_I855_GCC1_DEV2_DISABLED 0x08
221 #define AGP_I855_GCC1_GMS 0xf0 /* Top bit reserved pre-G33 */
222 #define AGP_I855_GCC1_GMS_STOLEN_0M 0x00
223 #define AGP_I855_GCC1_GMS_STOLEN_1M 0x10
224 #define AGP_I855_GCC1_GMS_STOLEN_4M 0x20
225 #define AGP_I855_GCC1_GMS_STOLEN_8M 0x30
226 #define AGP_I855_GCC1_GMS_STOLEN_16M 0x40
227 #define AGP_I855_GCC1_GMS_STOLEN_32M 0x50
228
229 /*
230 * Config registers for 915G/915GM
231 */
232 #define AGP_I915_MMADR 0x10
233 #define AGP_I915_GMADR 0x18
234 #define AGP_I915_GTTADR 0x1c
235 #define AGP_I915_MSAC 0x60 /* upper word */
236 #define AGP_I915_MSAC_APER_128M 0x02
237
238 /*
239 * Config registers for 915G/915GM device 0
240 */
241 #define AGP_I915_GCC1 0x52
242 #define AGP_I915_GCC1_GMS 0x70
243 #define AGP_I915_GCC1_GMS_STOLEN_0M 0x00
244 #define AGP_I915_GCC1_GMS_STOLEN_1M 0x10
245 #define AGP_I915_GCC1_GMS_STOLEN_8M 0x30
246 #define AGP_I915_GCC1_GMS_STOLEN_16M 0x40
247 #define AGP_I915_GCC1_GMS_STOLEN_32M 0x50
248 #define AGP_I915_GCC1_GMS_STOLEN_48M 0x60
249 #define AGP_I915_GCC1_GMS_STOLEN_64M 0x70
250 #define AGP_I915_IFPADDR 0x60
251
252 /*
253 * Config registers for 965G/965Q
254 */
255 #define AGP_I965_MMADR 0x10
256 #define AGP_I965_GMADR 0x18
257
258 #define AGP_I965_GTT (512*1024)
259
260 #define AGP_I965_PGTBL_SIZE_1MB (3 << 1)
261 #define AGP_I965_PGTBL_SIZE_2MB (4 << 1)
262 #define AGP_I965_PGTBL_SIZE_1_5MB (5 << 1)
263
264 /*
265 * Config registers for 965G/965Q device 0
266 */
267 #define AGP_I965_IFPADDR 0x70
268
269 /*
270 * Config registers for G33
271 */
272 #define AGP_G33_PGTBL_SIZE_MASK (3U << 8)
273 #define AGP_G33_PGTBL_SIZE_1M (1U << 8)
274 #define AGP_G33_PGTBL_SIZE_2M (2U << 8)
275
276 #define AGP_G33_GCC1_GMS_STOLEN_128M 0x80
277 #define AGP_G33_GCC1_GMS_STOLEN_256M 0x90
278
279 /*
280 * Config registers for G4X
281 */
282 #define AGP_G4X_MSAC 0x64 /* upper word */
283 #define AGP_G4X_MSAC_MASK 0xff
284 #define AGP_G4X_MSAC_APER_256M 0x02
285 #define AGP_G4X_MSAC_APER_512M 0x04
286
287 #define AGP_G4X_GTT (2*1024*1024)
288
289 #define AGP_G4X_PGTBL_SIZE_MASK 0x0000000e
290 #define AGP_G4X_PGTBL_SIZE_512K (0 << 1)
291 #define AGP_G4X_PGTBL_SIZE_256K (1 << 1)
292 #define AGP_G4X_PGTBL_SIZE_128K (2 << 1)
293 #define AGP_G4X_PGTBL_SIZE_1M (3 << 1)
294 #define AGP_G4X_PGTBL_SIZE_2M (4 << 1)
295 #define AGP_G4X_PGTBL_SIZE_1_5M (5 << 1)
296
297 #define AGP_G4X_GCC1_GMS_STOLEN_96M 0xa0
298 #define AGP_G4X_GCC1_GMS_STOLEN_160M 0xb0
299 #define AGP_G4X_GCC1_GMS_STOLEN_224M 0xc0
300 #define AGP_G4X_GCC1_GMS_STOLEN_352M 0xd0
301
302 /*
303 * AMD64 GART registers
304 */
305 #define AGP_AMD64_APCTRL 0x90
306 #define AGP_AMD64_APBASE 0x94
307 #define AGP_AMD64_ATTBASE 0x98
308 #define AGP_AMD64_CACHECTRL 0x9c
309 #define AGP_AMD64_APCTRL_GARTEN 0x00000001
310 #define AGP_AMD64_APCTRL_SIZE_MASK 0x0000000e
311 #define AGP_AMD64_APCTRL_DISGARTCPU 0x00000010
312 #define AGP_AMD64_APCTRL_DISGARTIO 0x00000020
313 #define AGP_AMD64_APCTRL_DISWLKPRB 0x00000040
314 #define AGP_AMD64_APBASE_MASK 0x00007fff
315 #define AGP_AMD64_ATTBASE_MASK 0xfffffff0
316 #define AGP_AMD64_CACHECTRL_INVGART 0x00000001
317 #define AGP_AMD64_CACHECTRL_PTEERR 0x00000002
318
319 /*
320 * NVIDIA nForce3 registers
321 */
322 #define AGP_AMD64_NVIDIA_0_APBASE 0x10
323 #define AGP_AMD64_NVIDIA_1_APBASE1 0x50
324 #define AGP_AMD64_NVIDIA_1_APLIMIT1 0x54
325 #define AGP_AMD64_NVIDIA_1_APSIZE 0xa8
326 #define AGP_AMD64_NVIDIA_1_APBASE2 0xd8
327 #define AGP_AMD64_NVIDIA_1_APLIMIT2 0xdc
328
329 /*
330 * ULi M1689 registers
331 */
332 #define AGP_AMD64_ULI_APBASE 0x10
333 #define AGP_AMD64_ULI_HTT_FEATURE 0x50
334 #define AGP_AMD64_ULI_ENU_SCR 0x54
335
336 #endif /* !_PCI_AGPREG_H_ */
337