xref: /openbsd/sys/arch/alpha/pci/tsreg.h (revision bd7fd72f)
1 /* $OpenBSD: tsreg.h,v 1.6 2014/12/24 18:46:14 miod Exp $ */
2 /* $NetBSD: tsreg.h,v 1.1 1999/06/29 06:46:47 ross Exp $ */
3 
4 /*-
5  * Copyright (c) 1999 by Ross Harvey.  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  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *	This product includes software developed by Ross Harvey.
18  * 4. The name of Ross Harvey may not be used to endorse or promote products
19  *    derived from this software without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY ROSS HARVEY ``AS IS'' AND ANY EXPRESS
22  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
23  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURP0SE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL ROSS HARVEY BE LIABLE FOR ANY
25  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  *
33  */
34 
35 /*
36  * 21272 Core Logic registers and constants.
37  */
38 
39 #define	tsreg() { Generate ctags(1) key. }
40 
41 /*
42  * Superpage pointer from physical address.
43  */
44 #define	S_PAGE(phys) ((void *)ALPHA_PHYS_TO_K0SEG(phys))
45 
46 /*
47  * {LD,ST}QP: LoaD and STore Quad Physical
48  */
49 #define	LDQP(a)	(*(volatile long *)ALPHA_PHYS_TO_K0SEG(a))
50 #define	STQP(a) LDQP(a)
51 
52 /*
53  * Define extraction functions for bit fields via length and left,right bitno
54  */
55 #define	TSFIELD(r,offs,len) (((r) >> (offs)) & (~0UL >> (64 - (len))))
56 #define	TSFIELDBB(r,lb,rb) TSFIELD((r), (rb), (lb) - (rb) + 1)
57 
58 /*
59  * EV6 has a new superpage which can pass through 44 address bits.  (Umm, a
60  * superduperpage?) But, the firmware doesn't turn it on, so we use the old
61  * one and let the HW sign extend va/pa<40> to get us the pa<43> that makes
62  * the needed I/O space access. This is just as well; it means we don't have
63  * to worry about which GENERIC code might get called on other CPU models.
64  *
65  *	E.g., we want this:	      0x0801##a000##0000
66  *	We use this:		      0x0101##a000##0000
67  *	...mix in the old SP:	0xffff##fc00##0000##0000
68  *	...after PA sign ext:	0xffff##ff00##a000##0000
69  *	(PA<42:41> ignored)
70  */
71 
72 /*
73  * This hack allows us to map the I/O address space without using
74  * the KSEG sign extension hack.
75  */
76 #define	TS_PHYSADDR(x)							\
77 	(((x) & ~0x0100##0000##0000) | 0x0800##0000##0000)
78 
79 /*
80  * Cchip CSR Map
81  */
82 
83 #define TS_C_CSC	0x101##a000##0000UL	/* Cchip System Configuration */
84 
85 #	define	CSC_P1P		(1L << 14)
86 #	define	CSC_BC(r)	TSFIELD((r), 0, 2)
87 #	define	CSC_AW		(1L << 8)
88 
89 #define TS_C_MTR	0x101##a000##0040UL
90 
91 #define TS_C_MISC	0x101##a000##0080UL	/* Miscellaneous Register */
92 
93 #	define	MISC_REV(r)	TSFIELD((r), 39, 8)
94 
95 #define TS_C_MPD	0x101##a000##00c0UL
96 
97 #	define	MPD_DR	0x08	/* RO: Data receive */
98 #	define	MPD_CKR	0x04	/* RO: Clock receive */
99 #	define	MPD_DS	0x02	/* WO: Data send - Must be a 1 to receive */
100 #	define	MPD_CKS	0x01	/* WO: Clock send */
101 
102 #define TS_C_AAR0	0x101##a000##0100UL
103 #define TS_C_AAR1	0x101##a000##0140UL
104 #define TS_C_AAR2	0x101##a000##0180UL
105 #define TS_C_AAR3	0x101##a000##01c0UL
106 
107 #	define	AAR_ASIZ(r)	TSFIELD((r), 12, 4)
108 #	define	AAR_SPLIT	(1L << 8)
109 
110 #define TS_C_DIM0	0x101##a000##0200UL
111 #define TS_C_DIM1	0x101##a000##0240UL
112 #define TS_C_DIR0	0x101##a000##0280UL
113 #define TS_C_DIR1	0x101##a000##02c0UL
114 #define TS_C_DRIR	0x101##a000##0300UL
115 #define TS_C_PRBEN	0x101##a000##0340UL
116 #define TS_C_IIC0	0x101##a000##0380UL
117 #define TS_C_IIC1	0x101##a000##03c0UL
118 #define TS_C_MPR0	0x101##a000##0400UL
119 #define TS_C_MPR1	0x101##a000##0440UL
120 #define TS_C_MPR2	0x101##a000##0480UL
121 #define TS_C_MPR3	0x101##a000##04c0UL
122 #define TS_C_MCTL	0x101##a000##0500UL
123 
124 #define TS_C_TTR	0x101##a000##0580UL
125 #define TS_C_TDR	0x101##a000##05c0UL
126 
127 /*
128  * Dchip CSR Map
129  */
130 
131 #define TS_D_DSC	0x101##b000##0800UL
132 #define TS_D_STR	0x101##b000##0840UL
133 #define TS_D_DREV	0x101##b000##0880UL
134 #define TS_D_DSC2	0x101##b000##08c0UL
135 
136 /*
137  * Pchip CSR Offsets
138  */
139 
140 #define P_WSBA0		0x0000
141 #define P_WSBA1		0x0040
142 #define P_WSBA2		0x0080
143 #define P_WSBA3		0x00c0
144 
145 #	define	WSBA_ADDR(r) (TSFIELDBB((r), 31, 20) << 20)
146 #	define	WSBA_SG	     2
147 #	define	WSBA_ENA     1
148 
149 #define P_WSM0		0x0100
150 #define P_WSM1		0x0140
151 #define P_WSM2		0x0180
152 #define P_WSM3		0x01c0
153 
154 #	define	WSM_AM(r)    TSFIELDBB((r), 31, 20)
155 #	define	WSM_LEN(r)   ((WSM_AM(r) + 1) << 20)
156 
157 #define P_TBA0		0x0200
158 #define P_TBA1		0x0240
159 #define P_TBA2		0x0280
160 #define P_TBA3		0x02c0
161 
162 #define P_PCTL		0x0300
163 #define P_PLAT		0x0340
164 	/* reserved	0x0380 */
165 #define P_PERROR	0x03c0
166 
167 #define P_PERRMASK	0x0400
168 #define P_PERRSET	0x0440
169 #define P_TLBIV		0x0480
170 #define P_TLBIA		0x04c0
171 
172 #define P_PMONCTL	0x0500
173 #define P_PMONCNT	0x0540
174 
175 #define P_SPRST		0x0800
176 
177 #define	TS_STEP		0x40
178 
179 /*
180  * Pchip I/O offsets
181  */
182 
183 #define	P_CSRBASE	 0x001##8000##0000UL
184 #define	P_PCI_MEM	 0x800##0000##0000UL
185 #define	P_PCI_IO	 0x001##fc00##0000UL
186 #define	P_PCI_CONFIG	 0x001##fe00##0000UL
187 
188 /*
189  * Construct EV6 I/O Space Address for Pchip 0 and Pchip 1.
190  */
191 
192 #define	TS_P0(offs)	(0x100##0000##0000UL + (offs))
193 #define	TS_P1(offs)	(0x102##0000##0000UL + (offs))
194 #define	TS_Pn(n, offs)	(0x100##0000##0000UL + 0x2##0000##0000UL * (n) + (offs))
195 
196 /*
197  * Tsunami Generic Register Type
198  */
199 typedef struct _ts_gr {
200 	volatile u_int64_t tsg_r;
201 	long	tsg_deadspace[7];
202 } TS_GR;
203 
204 /*
205  * Tsunami Pchip
206  */
207 
208 struct	ts_pport {
209 	TS_GR	tsp_resA;
210 	TS_GR	tsp_error;	/* Pchip Error */
211 
212 	TS_GR	tsp_perrmask;	/* Pchip Error Mask */
213 	TS_GR	tsp_perrset;	/* Pchip Error Set */
214 	TS_GR	tsp_tlbiv;	/* Translation Buffer Invalidate Virtual */
215 	TS_GR	tsp_tlbia;	/* Translation Buffer Invalidate All */
216 
217 	TS_GR	tsp_pmonctl;	/* PChip Monitor Control */
218 	TS_GR	tsp_pmoncnt;	/* PChip Monitor Counters */
219 	TS_GR	tsp_resB;
220 	TS_GR	tsp_resC;
221 
222 	TS_GR	tsp_resD_K[8];
223 };
224 
225 struct	ts_gport {
226 	TS_GR	tsp_resA[2];
227 	TS_GR	tsp_serror;
228 	TS_GR	tsp_serrmask;
229 	TS_GR	tsp_serrset;
230 	TS_GR	tsp_resB;
231 	TS_GR	tsp_gperrmask;
232 	TS_GR	tsp_gperren;
233 	TS_GR	tsp_gperrset;
234 	TS_GR	tsp_resC;
235 	TS_GR	tsp_tlbiv;
236 	TS_GR	tsp_tlbia;
237 	TS_GR	tsp_resD[2];
238 	TS_GR	tsp_sctl;
239 	TS_GR	tsp_resE[3];
240 };
241 
242 struct	ts_aport {
243 	TS_GR	tsp_resA[2];
244 	TS_GR	tsp_agperror;
245 	TS_GR	tsp_agperrmask;
246 	TS_GR	tsp_agperrset;
247 	TS_GR	tsp_agplastwr;
248 	TS_GR	tsp_aperror;
249 	TS_GR	tsp_aperrmask;
250 	TS_GR	tsp_aperrset;
251 	TS_GR	tsp_resB;
252 	TS_GR	tsp_tlbiv;
253 	TS_GR	tsp_tlbia;
254 	TS_GR	tsp_resC[6];
255 };
256 
257 struct	ts_pchip {
258 	TS_GR	tsp_wsba[4];	/* Window Space Base Address */
259 
260 	TS_GR	tsp_wsm[4];	/* Window Space Mask */
261 
262 	TS_GR	tsp_tba[4];	/* Translated Base Address */
263 
264 	TS_GR	tsp_pctl;	/* Pchip Control */
265 	TS_GR	tsp_plat;	/* Pchip Latency */
266 
267 	union {
268 		struct ts_pport	p;
269 		struct ts_gport	g;
270 		struct ts_aport	a;
271 	} port;
272 
273 	TS_GR	tsp_sprts;	/* ??? */
274 	TS_GR	tsp_res[31];
275 };
276