xref: /freebsd/sys/powerpc/include/openpicreg.h (revision 5521ff5a4d1929056e7ffc982fac3341ca54df7c)
1 /*-
2  * Copyright (c) 2000 Tsubai Masanari.  All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  * 3. The name of the author may not be used to endorse or promote products
13  *    derived from this software without specific prior written permission.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  *
26  * $NetBSD: openpicreg.h,v 1.2 2001/02/05 19:22:23 briggs Exp $
27  * $FreeBSD$
28  */
29 
30 /*
31  * GLOBAL/TIMER register (IDU base + 0x1000)
32  */
33 
34 /* feature reporting reg 0 */
35 #define	OPENPIC_FEATURE			0x1000
36 
37 /* global config reg 0 */
38 #define	OPENPIC_CONFIG				0x1020
39 #define	OPENPIC_CONFIG_RESET			0x80000000
40 #define	OPENPIC_CONFIG_8259_PASSTHRU_DISABLE	0x20000000
41 
42 /* vendor ID */
43 #define	OPENPIC_VENDOR_ID		0x1080
44 
45 /* processor initialization reg */
46 #define	OPENPIC_PROC_INIT		0x1090
47 
48 /* IPI vector/priority reg */
49 #define	OPENPIC_IPI_VECTOR(ipi)		(0x10a0 + (ipi) * 0x10)
50 
51 /* spurious intr. vector */
52 #define	OPENPIC_SPURIOUS_VECTOR		0x10e0
53 
54 
55 /*
56  * INTERRUPT SOURCE register (IDU base + 0x10000)
57  */
58 
59 /* interrupt vector/priority reg */
60 #ifndef	OPENPIC_SRC_VECTOR
61 #define	OPENPIC_SRC_VECTOR(irq)		(0x10000 + (irq) * 0x20)
62 #endif
63 #define	OPENPIC_SENSE_LEVEL		0x00400000
64 #define	OPENPIC_SENSE_EDGE		0x00000000
65 #define	OPENPIC_POLARITY_POSITIVE	0x00800000
66 #define	OPENPIC_POLARITY_NEGATIVE	0x00000000
67 #define	OPENPIC_IMASK			0x80000000
68 #define	OPENPIC_ACTIVITY		0x40000000
69 #define	OPENPIC_PRIORITY_MASK		0x000f0000
70 #define	OPENPIC_PRIORITY_SHIFT		16
71 #define	OPENPIC_VECTOR_MASK		0x000000ff
72 
73 /* interrupt destination cpu */
74 #ifndef	OPENPIC_IDEST
75 #define	OPENPIC_IDEST(irq)		(0x10010 + (irq) * 0x20)
76 #endif
77 
78 /*
79  * PROCESSOR register (IDU base + 0x20000)
80  */
81 
82 /* IPI command reg */
83 #define	OPENPIC_IPI(cpu, ipi)		(0x20040 + (cpu) * 0x1000 + (ipi))
84 
85 /* current task priority reg */
86 #define	OPENPIC_CPU_PRIORITY(cpu)	(0x20080 + (cpu) * 0x1000)
87 #define	OPENPIC_CPU_PRIORITY_MASK		0x0000000f
88 
89 /* interrupt acknowledge reg */
90 #define	OPENPIC_IACK(cpu)		(0x200a0 + (cpu) * 0x1000)
91 
92 /* end of interrupt reg */
93 #define	OPENPIC_EOI(cpu)		(0x200b0 + (cpu) * 0x1000)
94