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 * from NetBSD: openpicreg.h,v 1.3 2001/08/30 03:08:52 briggs Exp
27 * $FreeBSD: releng/11.0/sys/powerpc/include/openpicreg.h 259676 2013-12-21 04:31:54Z jhibbits $
28 */
29
30/*
31 * Size of OpenPIC register space
32 */
33#define	OPENPIC_SIZE			0x40000
34
35/*
36 * Per Processor Registers [private access] (0x00000 - 0x00fff)
37 */
38
39/* IPI dispatch command reg */
40#define	OPENPIC_IPI_DISPATCH(ipi)	(0x40 + (ipi) * 0x10)
41
42/* current task priority reg */
43#define	OPENPIC_TPR			0x80
44#define  OPENPIC_TPR_MASK			0x0000000f
45
46#define	OPENPIC_WHOAMI			0x90
47
48/* interrupt acknowledge reg */
49#define	OPENPIC_IACK			0xa0
50
51/* end of interrupt reg */
52#define	OPENPIC_EOI			0xb0
53
54/*
55 * Global registers (0x01000-0x0ffff)
56 */
57
58/* feature reporting reg 0 */
59#define OPENPIC_FEATURE			0x1000
60#define	 OPENPIC_FEATURE_VERSION_MASK		0x000000ff
61#define	 OPENPIC_FEATURE_LAST_CPU_MASK		0x00001f00
62#define	 OPENPIC_FEATURE_LAST_CPU_SHIFT		8
63#define	 OPENPIC_FEATURE_LAST_IRQ_MASK		0x07ff0000
64#define	 OPENPIC_FEATURE_LAST_IRQ_SHIFT		16
65
66/* global config reg 0 */
67#define OPENPIC_CONFIG			0x1020
68#define  OPENPIC_CONFIG_RESET			0x80000000
69#define  OPENPIC_CONFIG_8259_PASSTHRU_DISABLE	0x20000000
70
71/* interrupt configuration mode (direct or serial) */
72#define OPENPIC_ICR			0x1030
73#define  OPENPIC_ICR_SERIAL_MODE		(1 << 27)
74#define  OPENPIC_ICR_SERIAL_RATIO_MASK		(0x7 << 28)
75#define  OPENPIC_ICR_SERIAL_RATIO_SHIFT		28
76
77/* vendor ID */
78#define OPENPIC_VENDOR_ID		0x1080
79
80/* processor initialization reg */
81#define OPENPIC_PROC_INIT		0x1090
82
83/* IPI vector/priority reg */
84#define OPENPIC_IPI_VECTOR(ipi)		(0x10a0 + (ipi) * 0x10)
85
86/* spurious intr. vector */
87#define OPENPIC_SPURIOUS_VECTOR		0x10e0
88
89/* Timer registers */
90#define	OPENPIC_TIMERS			4
91#define	OPENPIC_TFREQ			0x10f0
92#define	OPENPIC_TCNT(t)			(0x1100 + (t) * 0x40)
93#define	OPENPIC_TBASE(t)		(0x1110 + (t) * 0x40)
94#define	OPENPIC_TVEC(t)			(0x1120 + (t) * 0x40)
95#define	OPENPIC_TDST(t)			(0x1130 + (t) * 0x40)
96
97/*
98 * Interrupt Source Configuration Registers (0x10000 - 0x1ffff)
99 */
100
101/* interrupt vector/priority reg */
102#define OPENPIC_SRC_VECTOR_COUNT	64
103#ifndef OPENPIC_SRC_VECTOR
104#define OPENPIC_SRC_VECTOR(irq)		(0x10000 + (irq) * 0x20)
105#endif
106#define  OPENPIC_SENSE_LEVEL			0x00400000
107#define  OPENPIC_SENSE_EDGE			0x00000000
108#define  OPENPIC_POLARITY_POSITIVE		0x00800000
109#define  OPENPIC_POLARITY_NEGATIVE		0x00000000
110#define  OPENPIC_IMASK				0x80000000
111#define  OPENPIC_ACTIVITY			0x40000000
112#define  OPENPIC_PRIORITY_MASK			0x000f0000
113#define  OPENPIC_PRIORITY_SHIFT			16
114#define  OPENPIC_VECTOR_MASK			0x000000ff
115
116/* interrupt destination cpu */
117#ifndef OPENPIC_IDEST
118#define OPENPIC_IDEST(irq)		(0x10010 + (irq) * 0x20)
119#endif
120
121/*
122 * Per Processor Registers [global access] (0x20000 - 0x3ffff)
123 */
124
125#define	OPENPIC_PCPU_BASE(cpu)		(0x20000 + (cpu) * 0x1000)
126
127#define	OPENPIC_PCPU_IPI_DISPATCH(cpu, ipi)	\
128	(OPENPIC_PCPU_BASE(cpu) + OPENPIC_IPI_DISPATCH(ipi))
129
130#define	OPENPIC_PCPU_TPR(cpu)		\
131	(OPENPIC_PCPU_BASE(cpu) + OPENPIC_TPR)
132
133#define	OPENPIC_PCPU_WHOAMI(cpu)		\
134	(OPENPIC_PCPU_BASE(cpu) + OPENPIC_WHOAMI)
135
136#define OPENPIC_PCPU_IACK(cpu)			\
137	(OPENPIC_PCPU_BASE(cpu) + OPENPIC_IACK)
138
139#define OPENPIC_PCPU_EOI(cpu)			\
140	(OPENPIC_PCPU_BASE(cpu) + OPENPIC_EOI)
141
142