agpreg.h revision 1.20
1/*	$NetBSD: agpreg.h,v 1.20 2008/11/29 23:48:12 christos 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/*
211 * Config registers for 852GM/855GM/865G device 0
212 */
213#define AGP_I855_GCC1			0x50 /* upper word */
214#define AGP_I855_GCC1_DEV2		0x08
215#define AGP_I855_GCC1_DEV2_ENABLED	0x00
216#define AGP_I855_GCC1_DEV2_DISABLED	0x08
217#define AGP_I855_GCC1_GMS		0xf0	/* Top bit reserved pre-G33 */
218#define AGP_I855_GCC1_GMS_STOLEN_0M	0x00
219#define AGP_I855_GCC1_GMS_STOLEN_1M	0x10
220#define AGP_I855_GCC1_GMS_STOLEN_4M	0x20
221#define AGP_I855_GCC1_GMS_STOLEN_8M	0x30
222#define AGP_I855_GCC1_GMS_STOLEN_16M	0x40
223#define AGP_I855_GCC1_GMS_STOLEN_32M	0x50
224
225/*
226 * Config registers for 915G/915GM
227 */
228#define AGP_I915_MMADR			0x10
229#define AGP_I915_GMADR			0x18
230#define AGP_I915_GTTADR			0x1c
231#define AGP_I915_GCC1			0x52
232#define AGP_I915_GCC1_GMS		0x70
233#define AGP_I915_GCC1_GMS_STOLEN_0M	0x00
234#define AGP_I915_GCC1_GMS_STOLEN_1M	0x10
235#define	AGP_I915_GCC1_GMS_STOLEN_8M	0x30
236#define AGP_I915_GCC1_GMS_STOLEN_16M	0x40
237#define AGP_I915_GCC1_GMS_STOLEN_32M	0x50
238#define AGP_I915_GCC1_GMS_STOLEN_48M	0x60
239#define AGP_I915_GCC1_GMS_STOLEN_64M	0x70
240#define AGP_I915_MSAC			0x60 /* upper word */
241#define AGP_I915_MSAC_APER_128M		0x02
242
243/*
244 * Config registers for 965G/965Q
245 */
246#define AGP_I965_MMADR			0x10
247#define AGP_I965_GMADR			0x18
248
249#define AGP_I965_GTT			(512*1024)
250
251#define AGP_I965_PGTBL_SIZE_1MB		(3 << 1)
252#define AGP_I965_PGTBL_SIZE_2MB		(4 << 1)
253#define AGP_I965_PGTBL_SIZE_1_5MB	(5 << 1)
254
255
256/*
257 * Config registers for G33
258 */
259#define AGP_G33_PGTBL_SIZE_MASK		(3U << 8)
260#define AGP_G33_PGTBL_SIZE_1M		(1U << 8)
261#define AGP_G33_PGTBL_SIZE_2M		(2U << 8)
262
263#define AGP_G33_GCC1_GMS_STOLEN_128M	0x80
264#define AGP_G33_GCC1_GMS_STOLEN_256M	0x90
265
266/*
267 * Config registers for G4X
268 */
269#define AGP_G4X_MSAC			0x64 /* upper word */
270#define AGP_G4X_MSAC_MASK		0xff
271#define AGP_G4X_MSAC_APER_256M		0x02
272#define AGP_G4X_MSAC_APER_512M		0x04
273
274#define AGP_G4X_GTT			(2*1024*1024)
275
276#define AGP_G4X_GCC1_GMS_STOLEN_96M	0xa0
277#define AGP_G4X_GCC1_GMS_STOLEN_160M	0xb0
278#define AGP_G4X_GCC1_GMS_STOLEN_224M	0xc0
279#define AGP_G4X_GCC1_GMS_STOLEN_352M	0xd0
280
281/*
282 * AMD64 GART registers
283 */
284#define	AGP_AMD64_APCTRL		0x90
285#define	AGP_AMD64_APBASE		0x94
286#define	AGP_AMD64_ATTBASE		0x98
287#define	AGP_AMD64_CACHECTRL		0x9c
288#define	AGP_AMD64_APCTRL_GARTEN		0x00000001
289#define	AGP_AMD64_APCTRL_SIZE_MASK	0x0000000e
290#define	AGP_AMD64_APCTRL_DISGARTCPU	0x00000010
291#define	AGP_AMD64_APCTRL_DISGARTIO	0x00000020
292#define	AGP_AMD64_APCTRL_DISWLKPRB	0x00000040
293#define	AGP_AMD64_APBASE_MASK		0x00007fff
294#define	AGP_AMD64_ATTBASE_MASK		0xfffffff0
295#define	AGP_AMD64_CACHECTRL_INVGART	0x00000001
296#define	AGP_AMD64_CACHECTRL_PTEERR	0x00000002
297
298/*
299 * NVIDIA nForce3 registers
300 */
301#define AGP_AMD64_NVIDIA_0_APBASE	0x10
302#define AGP_AMD64_NVIDIA_1_APBASE1	0x50
303#define AGP_AMD64_NVIDIA_1_APLIMIT1	0x54
304#define AGP_AMD64_NVIDIA_1_APSIZE	0xa8
305#define AGP_AMD64_NVIDIA_1_APBASE2	0xd8
306#define AGP_AMD64_NVIDIA_1_APLIMIT2	0xdc
307
308/*
309 * ULi M1689 registers
310 */
311#define AGP_AMD64_ULI_APBASE		0x10
312#define AGP_AMD64_ULI_HTT_FEATURE	0x50
313#define AGP_AMD64_ULI_ENU_SCR		0x54
314
315#endif /* !_PCI_AGPREG_H_ */
316