1 /*        $NetBSD: agpreg.h,v 1.24 2017/02/27 14:13:56 msaitoh 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 /*
40  * Config registers for Intel AGP chipsets.
41  */
42 /* i845/855PM */
43 #define   AGP_I845_AGPMISC    0x51
44 # define AGPMISC_AAGN                   (1U << 1)  /* Aperture AccessEN */
45 
46 /* i840/850/850E */
47 #define AGP_I840_MCHCFG                 0x50
48 # define MCHCFG_AAGN                    (1U << 9)  /* Aperture AccessEN */
49 
50 /* i82443LX/BX/GX */
51 #define AGP_INTEL_NBXCFG      0x50
52 # define NBXCFG_APAE                    (1U << 10) /* AGPtoPCI AccessDIS */
53 # define NBXCFG_AAGN                    (1U << 9)  /* Aperture AccessEN */
54 
55 /* Error Status for i8XX Chipset */
56 #define   AGP_INTEL_I8XX_ERRSTS         0xc8
57 
58 /* Common register */
59 #define   AGP_INTEL_ERRSTS    0x90 /* bytes at 0x91 and 0x92, not i8XX */
60 #define AGP_INTEL_AGPCMD      0xa8
61 # define AGPCMD_SBA           (1U << 9)
62 # define AGPCMD_AGPEN                   (1U << 8)
63 # define AGPCMD_FWEN                    (1U << 4)
64 # define AGPCMD_RATE_1X                 (1U << 1)
65 # define AGPCMD_RATE_2X                 (1U << 2)
66 # define AGPCMD_RATE_4X                 (1U << 3)
67 
68 #define AGP_INTEL_AGPCTRL     0xb0
69 # define AGPCTRL_AGPRSE                 (1U << 13) /* AGPRSE (82443 only)*/
70 # define AGPCTRL_GTLB                   (1U << 7)  /* GTLB EN */
71 
72 #define AGP_INTEL_APSIZE      0xb4
73 # define APSIZE_MASK                    0x3f
74 
75 #define AGP_INTEL_ATTBASE     0xb8
76 
77 /*
78  * Config offsets for VIA AGP 2.x chipsets.
79  */
80 #define AGP_VIA_GARTCTRL      0x80
81 #define AGP_VIA_APSIZE                  0x84
82 #define AGP_VIA_ATTBASE                 0x88
83 
84 /*
85  * Config offsets for VIA AGP 3.0 chipsets.
86  */
87 #define AGP3_VIA_GARTCTRL     0x90
88 #define AGP3_VIA_APSIZE                 0x94
89 #define AGP3_VIA_ATTBASE      0x98
90 #define AGP_VIA_AGPSEL                  0xfc
91 
92 /*
93  * Config offsets for SiS AGP chipsets.
94  */
95 #define AGP_SIS_ATTBASE                 0x90
96 #define AGP_SIS_WINCTRL                 0x94
97 #define AGP_SIS_TLBCTRL                 0x97
98 #define AGP_SIS_TLBFLUSH      0x98
99 
100 /*
101  * Config offsets for Ali AGP chipsets.
102  */
103 #define AGP_ALI_AGPCTRL                 0xb8
104 #define AGP_ALI_ATTBASE                 0xbc
105 #define AGP_ALI_TLBCTRL                 0xc0
106 
107 /*
108  * Config offsets for the AMD 751 chipset.
109  */
110 #define AGP_AMD751_REGISTERS  0x14
111 #define AGP_AMD751_APCTRL     0xac
112 #define AGP_AMD751_MODECTRL   0xb0
113 #define AGP_AMD751_MODECTRL_SYNEN       0x80
114 #define AGP_AMD751_MODECTRL2  0xb2
115 #define AGP_AMD751_MODECTRL2_G1LM       0x01
116 #define AGP_AMD751_MODECTRL2_GPDCE      0x02
117 #define AGP_AMD751_MODECTRL2_NGSE       0x08
118 
119 /*
120  * Memory mapped register offsets for AMD 751 chipset.
121  */
122 #define AGP_AMD751_CAPS                 0x00
123 #define AGP_AMD751_CAPS_EHI             0x0800
124 #define AGP_AMD751_CAPS_P2P             0x0400
125 #define AGP_AMD751_CAPS_MPC             0x0200
126 #define AGP_AMD751_CAPS_VBE             0x0100
127 #define AGP_AMD751_CAPS_REV             0x00ff
128 #define AGP_AMD751_STATUS     0x02
129 #define AGP_AMD751_STATUS_P2PS                    0x0800
130 #define AGP_AMD751_STATUS_GCS           0x0400
131 #define AGP_AMD751_STATUS_MPS           0x0200
132 #define AGP_AMD751_STATUS_VBES                    0x0100
133 #define AGP_AMD751_STATUS_P2PE                    0x0008
134 #define AGP_AMD751_STATUS_GCE           0x0004
135 #define AGP_AMD751_STATUS_VBEE                    0x0001
136 #define AGP_AMD751_ATTBASE    0x04
137 #define AGP_AMD751_TLBCTRL    0x0c
138 
139 /*
140  * Config registers for i810 device 0
141  */
142 #define AGP_I810_SMRAM                  0x70
143 #define AGP_I810_SMRAM_GMS              0xc0
144 #define AGP_I810_SMRAM_GMS_DISABLED     0x00
145 #define AGP_I810_SMRAM_GMS_ENABLED_0    0x40
146 #define AGP_I810_SMRAM_GMS_ENABLED_512  0x80
147 #define AGP_I810_SMRAM_GMS_ENABLED_1024 0xc0
148 #define AGP_I810_MISCC                  0x72
149 #define   AGP_I810_MISCC_WINSIZE                  0x0001
150 #define AGP_I810_MISCC_WINSIZE_64       0x0000
151 #define AGP_I810_MISCC_WINSIZE_32       0x0001
152 #define AGP_I810_MISCC_PLCK             0x0008
153 #define AGP_I810_MISCC_PLCK_UNLOCKED    0x0000
154 #define AGP_I810_MISCC_PLCK_LOCKED      0x0008
155 #define AGP_I810_MISCC_WPTC             0x0030
156 #define AGP_I810_MISCC_WPTC_NOLIMIT     0x0000
157 #define AGP_I810_MISCC_WPTC_62                    0x0010
158 #define AGP_I810_MISCC_WPTC_50                    0x0020
159 #define   AGP_I810_MISCC_WPTC_37                  0x0030
160 #define AGP_I810_MISCC_RPTC             0x00c0
161 #define AGP_I810_MISCC_RPTC_NOLIMIT     0x0000
162 #define AGP_I810_MISCC_RPTC_62                    0x0040
163 #define AGP_I810_MISCC_RPTC_50                    0x0080
164 #define AGP_I810_MISCC_RPTC_37                    0x00c0
165 
166 /*
167  * Config registers for i810 device 1
168  */
169 #define AGP_I810_GMADR                  0x10
170 #define AGP_I810_MMADR                  0x14
171 
172 /*
173  * Memory mapped register offsets for i810 chipset.
174  */
175 #define AGP_I810_PGTBL_CTL    0x2020
176 
177 /**
178  * This field determines the actual size of the global GTT on the 965
179  * and G33
180  */
181 #define AGP_I810_PGTBL_SIZE_MASK        0x0000000e
182 #define AGP_I810_PGTBL_SIZE_512KB       (0 << 1)
183 #define AGP_I810_PGTBL_SIZE_256KB       (1 << 1)
184 #define AGP_I810_PGTBL_SIZE_128KB       (2 << 1)
185 #define AGP_I810_DRT                              0x3000
186 #define AGP_I810_DRT_UNPOPULATED        0x00
187 #define AGP_I810_DRT_POPULATED                    0x01
188 #define AGP_I810_GTT                              0x10000
189 
190 /*
191  * Config registers for i830MG device 0
192  */
193 #define AGP_I830_GCC0                             0x50
194 #define AGP_I830_GCC1                             0x52
195 #define AGP_I830_GCC1_DEV2              0x08
196 #define AGP_I830_GCC1_DEV2_ENABLED      0x00
197 #define AGP_I830_GCC1_DEV2_DISABLED     0x08
198 #define AGP_I830_GCC1_GMS               0x70
199 #define AGP_I830_GCC1_GMS_STOLEN_512    0x20
200 #define AGP_I830_GCC1_GMS_STOLEN_1024   0x30
201 #define AGP_I830_GCC1_GMS_STOLEN_8192   0x40
202 #define AGP_I830_GCC1_GMASIZE           0x01
203 #define AGP_I830_GCC1_GMASIZE_64        0x01
204 #define AGP_I830_GCC1_GMASIZE_128       0x00
205 
206 /*
207  * Memory mapped register offsets for i830 chipset.
208  */
209 #define   AGP_I830_HIC                            0x70
210 
211 /*
212  * Config registers for 852GM/855GM/865G device 0
213  */
214 #define AGP_I855_GCC1                             0x50 /* upper word */
215 #define AGP_I855_GCC1_DEV2              0x08
216 #define AGP_I855_GCC1_DEV2_ENABLED      0x00
217 #define AGP_I855_GCC1_DEV2_DISABLED     0x08
218 #define AGP_I855_GCC1_GMS               0xf0      /* Top bit reserved pre-G33 */
219 #define AGP_I855_GCC1_GMS_STOLEN_0M     0x00
220 #define AGP_I855_GCC1_GMS_STOLEN_1M     0x10
221 #define AGP_I855_GCC1_GMS_STOLEN_4M     0x20
222 #define AGP_I855_GCC1_GMS_STOLEN_8M     0x30
223 #define AGP_I855_GCC1_GMS_STOLEN_16M    0x40
224 #define AGP_I855_GCC1_GMS_STOLEN_32M    0x50
225 
226 /*
227  * Config registers for 915G/915GM
228  */
229 #define AGP_I915_MMADR                            0x10
230 #define AGP_I915_GMADR                            0x18
231 #define AGP_I915_GTTADR                           0x1c
232 #define AGP_I915_MSAC                             0x60 /* upper word */
233 #define AGP_I915_MSAC_APER_128M                   0x02
234 
235 /*
236  * Config registers for 915G/915GM device 0
237  */
238 #define AGP_I915_GCC1                             0x52
239 #define AGP_I915_GCC1_GMS               0x70
240 #define AGP_I915_GCC1_GMS_STOLEN_0M     0x00
241 #define AGP_I915_GCC1_GMS_STOLEN_1M     0x10
242 #define   AGP_I915_GCC1_GMS_STOLEN_8M   0x30
243 #define AGP_I915_GCC1_GMS_STOLEN_16M    0x40
244 #define AGP_I915_GCC1_GMS_STOLEN_32M    0x50
245 #define AGP_I915_GCC1_GMS_STOLEN_48M    0x60
246 #define AGP_I915_GCC1_GMS_STOLEN_64M    0x70
247 #define AGP_I915_IFPADDR                0x60
248 
249 /*
250  * Config registers for 965G/965Q
251  */
252 #define AGP_I965_MMADR                            0x10
253 #define AGP_I965_GMADR                            0x18
254 
255 #define AGP_I965_GTT                              (512*1024)
256 
257 #define AGP_I965_PGTBL_SIZE_1MB                   (3 << 1)
258 #define AGP_I965_PGTBL_SIZE_2MB                   (4 << 1)
259 #define AGP_I965_PGTBL_SIZE_1_5MB       (5 << 1)
260 
261 /*
262  * Config registers for 965G/965Q device 0
263  */
264 #define AGP_I965_IFPADDR                0x70
265 
266 /*
267  * Config registers for G33
268  */
269 #define AGP_G33_PGTBL_SIZE_MASK                   (3U << 8)
270 #define AGP_G33_PGTBL_SIZE_1M           (1U << 8)
271 #define AGP_G33_PGTBL_SIZE_2M           (2U << 8)
272 
273 #define AGP_G33_GCC1_GMS_STOLEN_128M    0x80
274 #define AGP_G33_GCC1_GMS_STOLEN_256M    0x90
275 
276 /*
277  * Config registers for G4X
278  */
279 #define AGP_G4X_MSAC                              0x64 /* upper word */
280 #define AGP_G4X_MSAC_MASK               0xff
281 #define AGP_G4X_MSAC_APER_256M                    0x02
282 #define AGP_G4X_MSAC_APER_512M                    0x04
283 
284 #define AGP_G4X_GTT                     (2*1024*1024)
285 
286 #define   AGP_G4X_PGTBL_SIZE_MASK                 0x0000000e
287 #define   AGP_G4X_PGTBL_SIZE_512K                 (0 << 1)
288 #define   AGP_G4X_PGTBL_SIZE_256K                 (1 << 1)
289 #define   AGP_G4X_PGTBL_SIZE_128K                 (2 << 1)
290 #define   AGP_G4X_PGTBL_SIZE_1M                   (3 << 1)
291 #define   AGP_G4X_PGTBL_SIZE_2M                   (4 << 1)
292 #define   AGP_G4X_PGTBL_SIZE_1_5M                 (5 << 1)
293 
294 #define AGP_G4X_GCC1_GMS_STOLEN_96M     0xa0
295 #define AGP_G4X_GCC1_GMS_STOLEN_160M    0xb0
296 #define AGP_G4X_GCC1_GMS_STOLEN_224M    0xc0
297 #define AGP_G4X_GCC1_GMS_STOLEN_352M    0xd0
298 
299 /*
300  * Config registers for Pineview
301  */
302 #define AGP_PINEVIEW_PGTBL_SIZE_MASK    (3U << 8)
303 #define AGP_PINEVIEW_PGTBL_SIZE_1M      (1U << 8)
304 
305 /*
306  * AMD64 GART registers
307  */
308 #define   AGP_AMD64_APCTRL              0x90
309 #define   AGP_AMD64_APBASE              0x94
310 #define   AGP_AMD64_ATTBASE             0x98
311 #define   AGP_AMD64_CACHECTRL           0x9c
312 #define   AGP_AMD64_APCTRL_GARTEN                 0x00000001
313 #define   AGP_AMD64_APCTRL_SIZE_MASK    0x0000000e
314 #define   AGP_AMD64_APCTRL_DISGARTCPU   0x00000010
315 #define   AGP_AMD64_APCTRL_DISGARTIO    0x00000020
316 #define   AGP_AMD64_APCTRL_DISWLKPRB    0x00000040
317 #define   AGP_AMD64_APBASE_MASK                   0x00007fff
318 #define   AGP_AMD64_ATTBASE_MASK                  0xfffffff0
319 #define   AGP_AMD64_CACHECTRL_INVGART   0x00000001
320 #define   AGP_AMD64_CACHECTRL_PTEERR    0x00000002
321 
322 /*
323  * NVIDIA nForce3 registers
324  */
325 #define AGP_AMD64_NVIDIA_0_APBASE       0x10
326 #define AGP_AMD64_NVIDIA_1_APBASE1      0x50
327 #define AGP_AMD64_NVIDIA_1_APLIMIT1     0x54
328 #define AGP_AMD64_NVIDIA_1_APSIZE       0xa8
329 #define AGP_AMD64_NVIDIA_1_APBASE2      0xd8
330 #define AGP_AMD64_NVIDIA_1_APLIMIT2     0xdc
331 
332 /*
333  * ULi M1689 registers
334  */
335 #define AGP_AMD64_ULI_APBASE            0x10
336 #define AGP_AMD64_ULI_HTT_FEATURE       0x50
337 #define AGP_AMD64_ULI_ENU_SCR           0x54
338 
339 #endif /* !_PCI_AGPREG_H_ */
340