xref: /freebsd/sys/powerpc/include/platform.h (revision 6829dae12bb055451fa467da4589c43bd03b1e64)
1 /*-
2  * SPDX-License-Identifier: BSD-4-Clause
3  *
4  * Copyright (C) 1996 Wolfgang Solfrank.
5  * Copyright (C) 1996 TooLs GmbH.
6  * All rights reserved.
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  * 3. All advertising materials mentioning features or use of this software
17  *    must display the following acknowledgement:
18  *	This product includes software developed by TooLs GmbH.
19  * 4. The name of TooLs GmbH may not be used to endorse or promote products
20  *    derived from this software without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25  * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
27  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
28  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
29  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
30  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
31  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32  *
33  *	$NetBSD: powerpc.h,v 1.3 2000/06/01 00:49:59 matt Exp $
34  * $FreeBSD$
35  */
36 
37 #ifndef	_MACHINE_PLATFORM_H_
38 #define	_MACHINE_PLATFORM_H_
39 
40 #include <machine/smp.h>
41 #include <machine/pcpu.h>
42 
43 struct mem_region {
44 	uint64_t	mr_start;
45 	uint64_t	mr_size;
46 };
47 
48 /* Documentation for these functions is in platform_if.m */
49 
50 void	mem_regions(struct mem_region **, int *, struct mem_region **, int *);
51 vm_offset_t platform_real_maxaddr(void);
52 
53 u_long	platform_timebase_freq(struct cpuref *);
54 
55 int	platform_smp_first_cpu(struct cpuref *);
56 int	platform_smp_next_cpu(struct cpuref *);
57 int	platform_smp_get_bsp(struct cpuref *);
58 int	platform_smp_start_cpu(struct pcpu *);
59 void	platform_smp_timebase_sync(u_long tb, int ap);
60 void	platform_smp_ap_init(void);
61 void	platform_smp_probe_threads(void);
62 
63 const char *installed_platform(void);
64 void platform_probe_and_attach(void);
65 
66 void platform_sleep(void);
67 
68 #endif	/* _MACHINE_PLATFORM_H_ */
69