1 /* $NetBSD: cpuconf.h,v 1.13 2001/07/27 00:25:19 thorpej 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 50 struct clockframe; 51 52 struct 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)(struct device *, 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 89 struct cpuinit { 90 void (*init)(void); 91 u_int64_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 } 99 100 extern struct platform platform; 101 extern const struct cpuinit *platform_lookup(int); 102 extern void platform_not_configured(void); 103 extern void platform_not_supported(void); 104 #endif /* _KERNEL */ 105 #endif /* ! _ALPHA_CPUCONF_H_ */ 106