Start development on 386BSD 0.0
[unix-history] / .ref-BSD-4_3_Net_2 / usr / src / sys / vax / uba / ubareg.h
CommitLineData
af359dea
C
1/*-
2 * Copyright (c) 1982, 1986 The Regents of the University of California.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY 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.
da7c5cc6 32 *
af359dea 33 * @(#)ubareg.h 7.8 (Berkeley) 5/9/91
da7c5cc6 34 */
1cb3d36a
BJ
35
36/*
b0a4a8c6 37 * VAX UNIBUS adapter registers
1cb3d36a 38 */
bce08673
JB
39
40/*
63503d24
MK
41 * "UNIBUS" adaptor types.
42 * This code is used for both UNIBUSes and Q-buses
43 * with different types of adaptors.
44 * Definition of a type includes support code for that type.
bce08673 45 */
63503d24
MK
46#if VAX780 || VAX8600
47#define DW780 1 /* has adaptor regs, sr: 780/785/8600 */
48#endif
49
50#if VAX750
51#define DW750 2 /* has adaptor regs, no sr: 750, 730 */
52#endif
53
54#if VAX730
55#define DW730 3 /* has adaptor regs, no sr: 750, 730 */
56#endif
57
f6322301 58#if VAX630 || VAX650
63503d24
MK
59#define QBA 4 /* 22-bit Q-bus, no adaptor regs: uVAX II */
60#endif
61
62#if VAX8200 || VAX8500 || VAX8800
63#define DWBUA 5 /* BI UNIBUS adaptor: 8200/8500/8800 */
64#endif
bce08673
JB
65
66/*
63503d24
MK
67 * Size of unibus memory address space in pages
68 * (also number of map registers).
b00a6fef
MK
69 * QBAPAGES should be 8192, but we don't need nearly that much
70 * address space, and the return from the allocation routine
71 * can accommodate at most 2047 (ubavar.h: UBA_MAXMR);
72 * QBAPAGES must be at least UBAPAGES. Choose pragmatically.
bce08673 73 */
63503d24
MK
74#define UBAPAGES 496
75#define NUBMREG 496
b00a6fef
MK
76#if defined(GATEWAY) && !defined(QNIVERT)
77#define QBAPAGES 1024
8e84596c 78#else
b00a6fef 79#define QBAPAGES UBAPAGES
8e84596c 80#endif
ea457f9f 81#define UBAIOADDR 0760000 /* start of I/O page */
63503d24 82#define UBAIOPAGES 16
bce08673 83
b5fa1937 84#ifndef LOCORE
b0a4a8c6
MK
85/*
86 * DWBUA hardware registers.
87 */
88struct dwbua_regs {
89 int pad1[456]; /* actually bii regs + pad */
90 int bua_csr; /* control and status register */
91 int bua_offset; /* vector offset register */
92 int bua_fubar; /* failed UNIBUS address register */
93 int bua_bifar; /* BI failed address register */
94 int bua_udiag[5]; /* micro diagnostics (R/O) */
95 int pad2[3];
96/* dpr[0] is for DDP; dpr's 1 through 5 are for BPD's 1 through 5 */
97 int bua_dpr[6]; /* data path registers */
98 int pad3[10];
99 int bua_bdps[20]; /* buffered data path space *//*???*/
100 int pad4[8];
101 struct pte bua_map[UBAPAGES]; /* unibus map registers */
102 int pad5[UBAIOPAGES]; /* no maps for device address space */
103};
104
105#ifdef DWBUA
106/* bua_csr */
107#define BUACSR_ERR 0x80000000 /* composite error */
108#define BUACSR_BIF 0x10000000 /* BI failure */
109#define BUACSR_SSYNTO 0x08000000 /* slave sync timeout */
110#define BUACSR_UIE 0x04000000 /* unibus interlock error */
111#define BUACSR_IVMR 0x02000000 /* invalid map register */
112#define BUACSR_BADBDP 0x01000000 /* bad BDP select */
113#define BUACSR_BUAEIE 0x00100000 /* bua error interrupt enable (?) */
114#define BUACSR_UPI 0x00020000 /* unibus power init */
115#define BUACSR_UREGDUMP 0x00010000 /* microdiag register dump */
116#define BUACSR_IERRNO 0x000000ff /* mask for internal errror number */
117
118/* bua_offset */
119#define BUAOFFSET_MASK 0x00003e00 /* hence max offset = 15872 */
120
121/* bua_dpr */
122#define BUADPR_DPSEL 0x00e00000 /* data path select (?) */
123#define BUADPR_PURGE 0x00000001 /* purge bdp */
124
125/* bua_map -- in particular, those bits that are not in DW780s & DW750s */
126#define BUAMR_IOADR 0x40000000 /* I/O address space */
127#define BUAMR_LAE 0x04000000 /* longword access enable */
128 /* I see no reason to use either one, though ... act 6 Aug 1987 */
129
130#define UBA_PURGEBUA(uba, bdp) \
131 (((struct dwbua_regs *)(uba))->bua_dpr[bdp] |= BUADPR_PURGE)
132#else
133#define UBA_PURGEBUA(uba, bdp)
134#endif
135
1cb3d36a 136/*
63503d24 137 * DW780/DW750 hardware registers
1cb3d36a 138 */
b0a4a8c6 139struct uba_regs {
bbe0bf68
BJ
140 int uba_cnfgr; /* configuration register */
141 int uba_cr; /* control register */
142 int uba_sr; /* status register */
143 int uba_dcr; /* diagnostic control register */
144 int uba_fmer; /* failed map entry register */
145 int uba_fubar; /* failed UNIBUS address register */
1cb3d36a
BJ
146 int pad1[2];
147 int uba_brsvr[4];
bbe0bf68
BJ
148 int uba_brrvr[4]; /* receive vector registers */
149 int uba_dpr[16]; /* buffered data path register */
1cb3d36a 150 int pad2[480];
63503d24
MK
151 struct pte uba_map[UBAPAGES]; /* unibus map register */
152 int pad3[UBAIOPAGES]; /* no maps for device address space */
10a50234 153};
b5fa1937 154#endif
10a50234 155
63503d24 156#ifdef DW780
4df4b0ef
BJ
157/* uba_cnfgr */
158#define UBACNFGR_UBINIT 0x00040000 /* unibus init asserted */
159#define UBACNFGR_UBPDN 0x00020000 /* unibus power down */
160#define UBACNFGR_UBIC 0x00010000 /* unibus init complete */
161
44c2d30b
MK
162#define UBACNFGR_BITS \
163"\40\40PARFLT\37WSQFLT\36URDFLT\35ISQFLT\34MXTFLT\33XMTFLT\30ADPDN\27ADPUP\23UBINIT\22UBPDN\21UBIC"
164
4df4b0ef
BJ
165/* uba_cr */
166#define UBACR_MRD16 0x40000000 /* map reg disable bit 4 */
167#define UBACR_MRD8 0x20000000 /* map reg disable bit 3 */
168#define UBACR_MRD4 0x10000000 /* map reg disable bit 2 */
169#define UBACR_MRD2 0x08000000 /* map reg disable bit 1 */
170#define UBACR_MRD1 0x04000000 /* map reg disable bit 0 */
171#define UBACR_IFS 0x00000040 /* interrupt field switch */
172#define UBACR_BRIE 0x00000020 /* BR interrupt enable */
173#define UBACR_USEFIE 0x00000010 /* UNIBUS to SBI error field IE */
174#define UBACR_SUEFIE 0x00000008 /* SBI to UNIBUS error field IE */
175#define UBACR_CNFIE 0x00000004 /* configuration IE */
176#define UBACR_UPF 0x00000002 /* UNIBUS power fail */
177#define UBACR_ADINIT 0x00000001 /* adapter init */
10a50234 178
4df4b0ef
BJ
179/* uba_sr */
180#define UBASR_BR7FULL 0x08000000 /* BR7 receive vector reg full */
181#define UBASR_BR6FULL 0x04000000 /* BR6 receive vector reg full */
182#define UBASR_BR5FULL 0x02000000 /* BR5 receive vector reg full */
183#define UBASR_BR4FULL 0x01000000 /* BR4 receive vector reg full */
184#define UBASR_RDTO 0x00000400 /* UNIBUS to SBI read data timeout */
185#define UBASR_RDS 0x00000200 /* read data substitute */
186#define UBASR_CRD 0x00000100 /* corrected read data */
187#define UBASR_CXTER 0x00000080 /* command transmit error */
188#define UBASR_CXTMO 0x00000040 /* command transmit timeout */
189#define UBASR_DPPE 0x00000020 /* data path parity error */
190#define UBASR_IVMR 0x00000010 /* invalid map register */
191#define UBASR_MRPF 0x00000008 /* map register parity failure */
192#define UBASR_LEB 0x00000004 /* lost error */
193#define UBASR_UBSTO 0x00000002 /* UNIBUS select timeout */
194#define UBASR_UBSSYNTO 0x00000001 /* UNIBUS slave sync timeout */
f7c4179b
BJ
195
196#define UBASR_BITS \
197"\20\13RDTO\12RDS\11CRD\10CXTER\7CXTMO\6DPPE\5IVMR\4MRPF\3LEB\2UBSTO\1UBSSYNTO"
10a50234 198
4df4b0ef
BJ
199/* uba_brrvr[] */
200#define UBABRRVR_AIRI 0x80000000 /* adapter interrupt request */
201#define UBABRRVR_DIV 0x0000ffff /* device interrupt vector field */
bce08673 202#endif
10a50234 203
4df4b0ef 204/* uba_dpr */
63503d24 205#ifdef DW780
4df4b0ef
BJ
206#define UBADPR_BNE 0x80000000 /* buffer not empty - purge */
207#define UBADPR_BTE 0x40000000 /* buffer transfer error */
208#define UBADPR_DPF 0x20000000 /* DP function (RO) */
209#define UBADPR_BS 0x007f0000 /* buffer state field */
210#define UBADPR_BUBA 0x0000ffff /* buffered UNIBUS address */
b2fc55f0
BJ
211#define UBA_PURGE780(uba, bdp) \
212 ((uba)->uba_dpr[bdp] |= UBADPR_BNE)
bce08673
JB
213#else
214#define UBA_PURGE780(uba, bdp)
215#endif
63503d24 216#ifdef DW750
4df4b0ef
BJ
217#define UBADPR_ERROR 0x80000000 /* error occurred */
218#define UBADPR_NXM 0x40000000 /* nxm from memory */
219#define UBADPR_UCE 0x20000000 /* uncorrectable error */
220#define UBADPR_PURGE 0x00000001 /* purge bdp */
3b1e560f
SL
221/* the DELAY is for a hardware problem */
222#define UBA_PURGE750(uba, bdp) { \
223 ((uba)->uba_dpr[bdp] |= (UBADPR_PURGE|UBADPR_NXM|UBADPR_UCE)); \
224 DELAY(8); \
225}
bce08673
JB
226#else
227#define UBA_PURGE750(uba, bdp)
228#endif
229
114cd253
BJ
230/*
231 * Macros for fast buffered data path purging in time-critical routines.
232 *
233 * Too bad C pre-processor doesn't have the power of LISP in macro
234 * expansion...
235 */
bce08673 236
b0a4a8c6
MK
237/* THIS IS WRONG, should use pointer to uba_hd */
238#if DWBUA || DW780 || DW750
114cd253
BJ
239#define UBAPURGE(uba, bdp) { \
240 switch (cpu) { \
b0a4a8c6 241 case VAX_8200: UBA_PURGEBUA(uba, bdp); break; \
bce08673 242 case VAX_8600: case VAX_780: UBA_PURGE780((uba), (bdp)); break; \
4c078bb2 243 case VAX_750: UBA_PURGE750((uba), (bdp)); break; \
114cd253
BJ
244 } \
245}
63503d24 246#else
23bd9454 247#define UBAPURGE(uba, bdp)
114cd253
BJ
248#endif
249
bce08673
JB
250
251
4df4b0ef
BJ
252/* uba_mr[] */
253#define UBAMR_MRV 0x80000000 /* map register valid */
254#define UBAMR_BO 0x02000000 /* byte offset bit */
255#define UBAMR_DPDB 0x01e00000 /* data path designator field */
b0a4a8c6 256#define UBAMR_SBIPFN 0x001fffff /* SBI page address field */
10a50234 257
4df4b0ef 258#define UBAMR_DPSHIFT 21 /* shift to data path designator */
10a50234 259
10a50234 260/*
4df4b0ef 261 * Number of unibus buffered data paths and possible uba's per cpu type.
10a50234 262 */
bce08673 263#define NBDP8600 15
63503d24 264#define NBDP780 15
b0a4a8c6 265#define NBDPBUA 5
63503d24
MK
266#define NBDP750 3
267#define NBDP730 0
268#define MAXNBDP 15
10a50234 269
10a50234 270/*
bce08673 271 * Symbolic BUS addresses for UBAs.
10a50234 272 */
bce08673 273
f6322301 274#if VAX630 || VAX650
63503d24
MK
275#define QBAMAP630 ((struct pte *)0x20088000)
276#define QMEM630 0x30000000
277#define QIOPAGE630 0x20000000
278/*
279 * Q-bus control registers
280 */
281#define QIPCR 0x1f40 /* from start of iopage */
282/* bits in QIPCR */
283#define Q_DBIRQ 0x0001 /* doorbell interrupt request */
284#define Q_LMEAE 0x0020 /* local mem external access enable */
285#define Q_DBIIE 0x0040 /* doorbell interrupt enable */
286#define Q_AUXHLT 0x0100 /* auxiliary processor halt */
287#define Q_DMAQPE 0x8000 /* Q22 bus address space parity error */
9d2503c6
BK
288#endif
289
10f66600 290#if VAX730
63503d24 291#define UMEM730 0xfc0000
ea4d5e21 292#endif
bce08673 293
4df4b0ef 294#if VAX750
63503d24 295#define UMEM750(i) (0xfc0000-(i)*0x40000)
6531d33e 296#endif
bce08673 297
6531d33e 298#if VAX780
63503d24 299#define UMEM780(i) (0x20100000+(i)*0x40000)
b5fa1937 300#endif
62c8c966 301
b0a4a8c6
MK
302#if VAX8200 /* BEWARE, argument is node, not ubanum */
303#define UMEM8200(i) (0x20400000+(i)*0x40000)
304#endif
305
bce08673 306#if VAX8600
63503d24
MK
307#define UMEMA8600(i) (0x20100000+(i)*0x40000)
308#define UMEMB8600(i) (0x22100000+(i)*0x40000)
bce08673
JB
309#endif
310
62c8c966
BJ
311/*
312 * Macro to offset a UNIBUS device address, often expressed as
63503d24
MK
313 * something like 0172520, by forcing it into the last 8K
314 * of UNIBUS memory space.
62c8c966 315 */
63503d24 316#define ubdevreg(addr) ((addr) & 017777)