1 /* $OpenBSD: cpuconf.h,v 1.8 2024/12/22 20:38:35 miod Exp $ */ 2 /* $NetBSD: cpuconf.h,v 1.12 2000/06/08 03:10:06 thorpej Exp $ */ 3 4 /* 5 * Copyright (c) 1996 Christopher G. Demetriou. 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 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Christopher G. Demetriou 18 * for the NetBSD Project. 19 * 4. The name of the author 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 THE AUTHOR ``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 THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 /* 34 * Additional reworking by Matthew Jacob for NASA/Ames Research Center. 35 * Copyright (c) 1997 36 */ 37 38 #ifndef _MACHINE_CPUCONF_H_ 39 #define _MACHINE_CPUCONF_H_ 40 41 /* 42 * Platform Specific Information and Function Hooks. 43 * 44 * The tags family and model information are strings describing the platform. 45 * 46 * The tag iobus describes the primary iobus for the platform- primarily 47 * to give a hint as to where to start configuring. The likely choices 48 * are one of tcasic, lca, apecs, cia, or tlsb. 49 */ 50 51 struct platform { 52 /* 53 * Platform Information. 54 */ 55 const char *family; /* Family Name */ 56 const char *model; /* Model (variant) Name */ 57 const char *iobus; /* Primary iobus name */ 58 59 /* 60 * Platform Specific Function Hooks 61 * cons_init - console initialization 62 * device_register - boot configuration aid 63 * clockintr - Clock Interrupt Handler 64 * mcheck_handler - Platform Specific Machine Check Handler 65 */ 66 void (*cons_init)(void); 67 void (*device_register)(struct device *, void *); 68 int (*clockintr)(void *); 69 void (*mcheck_handler)(unsigned long, struct trapframe *, 70 unsigned long, unsigned long); 71 void (*powerdown)(void); 72 }; 73 74 /* 75 * There is an array of functions to initialize the platform structure. 76 * 77 * It's responsible for filling in the family, model_name and iobus 78 * tags. It may optionally fill in the cons_init, device_register and 79 * mcheck_handler tags. 80 * 81 * The iointr tag is filled in by set_iointr (in interrupt.c). 82 * The clockintr tag is filled in by cpu_initclocks (in clock.c). 83 * 84 * nocpu is function to call when you can't figure what platform you're on. 85 * There's no return from this function. 86 */ 87 88 struct cpuinit { 89 void (*init)(void); 90 u_int64_t systype; 91 const char *option; 92 }; 93 94 #ifdef _KERNEL 95 #define cpu_notsupp(st, str) { platform_not_supported, st, str } 96 97 #define cpu_init(st, fn, opt) { fn, st, opt } 98 99 extern struct platform platform; 100 extern const struct cpuinit *platform_lookup(int); 101 extern void platform_not_configured(void); 102 extern void platform_not_supported(void); 103 #endif /* _KERNEL */ 104 #endif /* ! _MACHINE_CPUCONF_H_ */ 105