xref: /netbsd/sys/arch/vax/include/ka670.h (revision 2d5d8524)
1 /*	$NetBSD: ka670.h,v 1.4 2017/05/22 17:12:11 ragge Exp $	*/
2 /*
3  * Copyright (c) 1999 Ludd, University of Lule}, Sweden.
4  * All rights reserved.
5  *
6  * This code is derived from software contributed to Ludd by Bertram Barth.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 /*
30  * Definitions for I/O addresses of
31  *
32  *	VAX 4000/300 (KA670)
33  */
34 #ifndef _VAX_KA670_H_
35 #define _VAX_KA670_H_
36 
37 #define KA670_SIDEX	0x20040004	/* SID extension register */
38 #define KA670_IORESET	0x20020000	/* I/O Reset register */
39 
40 #define KA670_ROM_BASE	0x20040000	/* System module ROM */
41 #define KA670_ROM_END	0x2007FFFF
42 #define KA670_ROM_SIZE	   0x40000
43 
44 /*
45  * The following values refer to bits/bitfields within the 4 internal
46  * registers controlling primary cache:
47  * PR_PCTAG(124, tag-register)		PR_PCIDX(125, index-register)
48  * PR_PCERR(126, error-register)	PR_PCSTS(127, status-register)
49  */
50 #define KA670_PCTAG_TAG		0x1FFFF800	/* bits 11-29 */
51 #define KA670_PCTAG_PARITY	0x40000000
52 #define KA670_PCTAG_VALID	0x80000000
53 
54 #define KA670_PCIDX_INDEX	0x000007F8	/* 0x100 Q-word entries */
55 
56 #define KA670_PCERR_ADDR		0x3FFFFFFF
57 
58 #define KA670_PCS_FORCEHIT	0x00000001	/* Force hit */
59 #define KA670_PCS_ENABLE		0x00000002	/* Enable primary cache */
60 #define KA670_PCS_FLUSH		0x00000004	/* Flush cache */
61 #define KA670_PCS_REFRESH	0x00000008	/* Enable refresh */
62 #define KA670_PCS_HIT		0x00000010	/* Cache hit */
63 #define KA670_PCS_INTERRUPT	0x00000020	/* Interrupt pending */
64 #define KA670_PCS_TRAP2		0x00000040	/* Trap while trap */
65 #define KA670_PCS_TRAP1		0x00000080	/* Micro trap/machine check */
66 #define KA670_PCS_TPERR		0x00000100	/* Tag parity error */
67 #define KA670_PCS_DPERR		0x00000200	/* Dal data parity error */
68 #define KA670_PCS_PPERR		0x00000400	/* P data parity error */
69 #define KA670_PCS_BUSERR		0x00000800	/* Bus error */
70 #define KA670_PCS_BCHIT		0x00001000	/* B cache hit */
71 
72 #define KA670_PCSTS_BITS \
73 	"\020\015BCHIT\014BUSERR\013PPERR\012DPERR\011TPERR\010TRAP1" \
74 	"\007TRAP2\006INTR\005HIT\004REFRESH\003FLUSH\002ENABLE\001FORCEHIT"
75 
76 #define KA670_BCSTS_BITS \
77 	"\020\015BCHIT\014BUSERR\013PPERR\012DPERR\011TPERR\010TRAP1" \
78 	"\007TRAP2\006INTR\005HIT\004REFRESH\003FLUSH\002ENABLE\001FORCEHIT"
79 
80 /*
81  * Bits in PR_ACCS (Floating Point Accelerator Register)
82  */
83 #define KA670_ACCS_VECTOR	(1<<0)	/* Vector Unit Present */
84 #define KA670_ACCS_FCHIP		(1<<1)	/* FPU chip present */
85 #define KA670_ACCS_WEP		(1<<31) /* Write Even Parity */
86 
87 /*
88  * CPU-specific definitions for VAX 6000/400 (Calypso/XRP).
89  */
90 
91 /* Rigel SSC definitions */
92 #define RSSC_ADDR	0x20140000	/* Phys address */
93 #define RSSC_CONFIG	0x10		/* Offset */
94 #define RSSC_BUSCTRL	0x20		/* Offset */
95 #define RSSC_OPORT	0x30		/* Offset */
96 #define RSSC_IPORT	0x40		/* Offset */
97 
98 #endif /* _VAX_KA670_H_ */
99