1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2009 Neelkanth Natu
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * $FreeBSD$
29 */
30
31 #ifndef _SB_SCD_H_
32 #define _SB_SCD_H_
33
34 #define NUM_INTSRC 64 /* total number of interrupt sources */
35
36 uint64_t sb_zbbus_cycle_count(void);
37 uint64_t sb_cpu_speed(void);
38 void sb_system_reset(void);
39
40 int sb_route_intsrc(int src);
41 void sb_enable_intsrc(int cpu, int src);
42 void sb_disable_intsrc(int cpu, int src);
43 uint64_t sb_read_intsrc_mask(int cpu);
44 void sb_write_intsrc_mask(int cpu, uint64_t mask);
45 void sb_write_intmap(int cpu, int intsrc, int intrnum);
46 int sb_read_intmap(int cpu, int intsrc);
47
48 #ifdef SMP
49 #define INTSRC_MAILBOX3 29
50 void sb_set_mailbox(int cpuid, uint64_t val);
51 void sb_clear_mailbox(int cpuid, uint64_t val);
52 #endif
53
54 #endif /* _SB_SCD_H_ */
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