1 /* $NetBSD: crime.c,v 1.5 2002/03/13 13:12:26 simonb Exp $ */ 2 3 /* 4 * Copyright (c) 2000 Soren S. Jorvang 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 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed for the 18 * NetBSD Project. See http://www.netbsd.org/ for 19 * information about NetBSD. 20 * 4. The name of the author may not be used to endorse or promote products 21 * derived from this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 26 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 27 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 28 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 32 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 /* 36 * O2 CRIME 37 */ 38 39 #include <sys/param.h> 40 #include <sys/device.h> 41 #include <sys/systm.h> 42 43 #include <machine/cpu.h> 44 #include <machine/locore.h> 45 #include <machine/autoconf.h> 46 #include <machine/bus.h> 47 #include <machine/intr.h> 48 #include <machine/machtype.h> 49 50 #include <dev/pci/pcivar.h> 51 52 #if 0 53 #include <sgimips/dev/crimereg.h> 54 #endif 55 56 #include "locators.h" 57 58 static int crime_match(struct device *, struct cfdata *, void *); 59 static void crime_attach(struct device *, struct device *, void *); 60 void * crime_intr_establish(int, int, int, int (*)(void *), void *); 61 int crime_intr(void *); 62 63 struct cfattach crime_ca = { 64 sizeof(struct device), crime_match, crime_attach 65 }; 66 67 static int 68 crime_match(parent, match, aux) 69 struct device *parent; 70 struct cfdata *match; 71 void *aux; 72 { 73 74 /* 75 * The CRIME is in the O2. 76 */ 77 if (mach_type == MACH_SGI_IP32) 78 return (1); 79 80 return (0); 81 } 82 83 static void 84 crime_attach(parent, self, aux) 85 struct device *parent; 86 struct device *self; 87 void *aux; 88 { 89 struct mainbus_attach_args *ma = aux; 90 u_int32_t rev; /* really u_int64_t ! */ 91 int major, minor; 92 93 rev = bus_space_read_4(ma->ma_iot, ma->ma_ioh, 4) & 0xff; 94 95 major = rev >> 4; 96 minor = rev & 0x0f; 97 98 if (major == 0 && minor == 0) 99 printf(": petty\n"); 100 else 101 printf(": rev %d.%d\n", major, minor); 102 103 #if 0 104 *(volatile u_int64_t *)0xb4000018 = 0xffffffffffffffff; 105 #else 106 /* enable all mace interrupts, but no crime devices */ 107 *(volatile u_int64_t *)0xb4000018 = 0x000000000000ffff; 108 #endif 109 } 110 111 /* 112 * XXX 113 */ 114 115 #define CRIME_NINTR 32 /* XXX */ 116 117 struct { 118 int (*func)(void *); 119 void *arg; 120 } crime[CRIME_NINTR]; 121 122 void * 123 crime_intr_establish(irq, type, level, func, arg) 124 int irq; 125 int type; 126 int level; 127 int (*func)(void *); 128 void *arg; 129 { 130 int i; 131 132 for (i = 0; i <= CRIME_NINTR; i++) { 133 if (i == CRIME_NINTR) 134 panic("too many IRQs"); 135 136 if (crime[i].func != NULL) 137 continue; 138 139 crime[i].func = func; 140 crime[i].arg = arg; 141 break; 142 } 143 144 return (void *)-1; 145 } 146 147 int 148 crime_intr(arg) 149 void *arg; 150 { 151 int i; 152 153 for (i = 0; i < CRIME_NINTR; i++) { 154 int s; 155 if (crime[i].func == NULL) 156 return 0; 157 158 s = spltty(); 159 (*crime[i].func)(crime[i].arg); 160 splx(s); 161 } 162 163 return 0; 164 } 165