1/*	$NetBSD: cpuconf.h,v 1.14 2011/06/14 06:49:31 matt Exp $	*/
2
3/*
4 * Copyright (c) 1996 Christopher G. Demetriou.  All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 *    must display the following acknowledgement:
16 *      This product includes software developed by Christopher G. Demetriou
17 *	for the NetBSD Project.
18 * 4. The name of the author may not be used to endorse or promote products
19 *    derived from this software without specific prior written permission
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32/*
33 * Additional reworking by Matthew Jacob for NASA/Ames Research Center.
34 * Copyright (c) 1997
35 */
36
37#ifndef	_ALPHA_CPUCONF_H_
38#define	_ALPHA_CPUCONF_H_
39
40/*
41 * Platform Specific Information and Function Hooks.
42 *
43 * The tags family and model information are strings describing the platform.
44 *
45 * The tag iobus describes the primary iobus for the platform- primarily
46 * to give a hint as to where to start configuring. The likely choices
47 * are one of tcasic, lca, apecs, cia, or tlsb.
48 */
49
50struct clockframe;
51
52struct platform {
53	/*
54	 * Platform Information.
55	 */
56	const char	*family;	/* Family Name */
57	const char	*model;		/* Model (variant) Name */
58	const char	*iobus;		/* Primary iobus name */
59
60	/*
61	 * Platform Specific Function Hooks
62	 *	cons_init 	-	console initialization
63	 *	device_register	-	boot configuration aid
64	 *	clockintr	-	Clock Interrupt Handler
65	 *	mcheck_handler	-	Platform Specific Machine Check Handler
66	 */
67	void	(*cons_init)(void);
68	void	(*device_register)(device_t, void *);
69	void	(*clockintr)(struct clockframe *);
70	void	(*mcheck_handler)(unsigned long, struct trapframe *,
71		    unsigned long, unsigned long);
72	void	(*powerdown)(void);
73};
74
75/*
76 * There is an array of functions to initialize the platform structure.
77 *
78 * It's responsible for filling in the family, model_name and iobus
79 * tags. It may optionally fill in the cons_init, device_register and
80 * mcheck_handler tags.
81 *
82 * The iointr tag is filled in by set_iointr (in interrupt.c).
83 * The clockintr tag is filled in by cpu_initclocks (in clock.c).
84 *
85 * nocpu is function to call when you can't figure what platform you're on.
86 * There's no return from this function.
87 */
88
89struct cpuinit {
90	void	(*init)(void);
91	uint64_t systype;
92	const char *option;
93};
94
95#ifdef _KERNEL
96#define	cpu_notsupp(st, str)	{ platform_not_supported, st, str }
97
98#define	cpu_init(st, fn, opt)	{ fn, st, opt }
99
100extern struct platform platform;
101extern const struct cpuinit *platform_lookup(int);
102extern void platform_not_configured(void);
103extern void platform_not_supported(void);
104#endif /* _KERNEL */
105#endif /* ! _ALPHA_CPUCONF_H_ */
106