1 /*	$NetBSD: agpreg.h,v 1.23 2016/05/01 04:22:50 nonaka 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  * Config registers for Pineview
304  */
305 #define AGP_PINEVIEW_PGTBL_SIZE_MASK	(3U << 8)
306 #define AGP_PINEVIEW_PGTBL_SIZE_1M	(1U << 8)
307 
308 /*
309  * AMD64 GART registers
310  */
311 #define	AGP_AMD64_APCTRL		0x90
312 #define	AGP_AMD64_APBASE		0x94
313 #define	AGP_AMD64_ATTBASE		0x98
314 #define	AGP_AMD64_CACHECTRL		0x9c
315 #define	AGP_AMD64_APCTRL_GARTEN		0x00000001
316 #define	AGP_AMD64_APCTRL_SIZE_MASK	0x0000000e
317 #define	AGP_AMD64_APCTRL_DISGARTCPU	0x00000010
318 #define	AGP_AMD64_APCTRL_DISGARTIO	0x00000020
319 #define	AGP_AMD64_APCTRL_DISWLKPRB	0x00000040
320 #define	AGP_AMD64_APBASE_MASK		0x00007fff
321 #define	AGP_AMD64_ATTBASE_MASK		0xfffffff0
322 #define	AGP_AMD64_CACHECTRL_INVGART	0x00000001
323 #define	AGP_AMD64_CACHECTRL_PTEERR	0x00000002
324 
325 /*
326  * NVIDIA nForce3 registers
327  */
328 #define AGP_AMD64_NVIDIA_0_APBASE	0x10
329 #define AGP_AMD64_NVIDIA_1_APBASE1	0x50
330 #define AGP_AMD64_NVIDIA_1_APLIMIT1	0x54
331 #define AGP_AMD64_NVIDIA_1_APSIZE	0xa8
332 #define AGP_AMD64_NVIDIA_1_APBASE2	0xd8
333 #define AGP_AMD64_NVIDIA_1_APLIMIT2	0xdc
334 
335 /*
336  * ULi M1689 registers
337  */
338 #define AGP_AMD64_ULI_APBASE		0x10
339 #define AGP_AMD64_ULI_HTT_FEATURE	0x50
340 #define AGP_AMD64_ULI_ENU_SCR		0x54
341 
342 #endif /* !_PCI_AGPREG_H_ */
343