intr.h revision 1.33 1 /* $NetBSD: intr.h,v 1.33 2010/11/13 14:07:07 uebayasi Exp $ */
2
3 /*-
4 * Copyright (c) 2007 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Tim Rightnour
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #ifndef _PREP_INTR_H_
33 #define _PREP_INTR_H_
34
35 #include <powerpc/intr.h>
36
37 #ifndef _LOCORE
38 #include <machine/cpu.h>
39
40 void init_intr_ivr(void);
41 void init_intr_openpic(void);
42 void openpic_init(unsigned char *);
43 void enable_intr(void);
44 void disable_intr(void);
45
46 extern vaddr_t prep_intr_reg;
47 extern uint32_t prep_intr_reg_off;
48
49 #define ICU_LEN 32
50
51 #define IRQ_SLAVE 2
52 #define LEGAL_IRQ(x) ((x) >= 0 && (x) < ICU_LEN && (x) != IRQ_SLAVE)
53 #define I8259_INTR_NUM 16
54 #define OPENPIC_INTR_NUM ((ICU_LEN)-(I8259_INTR_NUM))
55
56 #define PREP_INTR_REG 0xbffff000
57 #define INTR_VECTOR_REG 0xff0
58
59 #endif /* !_LOCORE */
60
61 #endif /* !_PREP_INTR_H_ */
62