1 /* $NetBSD: crime.c,v 1.2 2000/06/29 15:44:10 soren 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 49 #include <dev/pci/pcivar.h> 50 51 #if 0 52 #include <sgimips/dev/crimereg.h> 53 #endif 54 55 #include "locators.h" 56 57 static int crime_match(struct device *, struct cfdata *, void *); 58 static void crime_attach(struct device *, struct device *, void *); 59 void * crime_intr_establish(int, int, int, int (*)(void *), void *); 60 int crime_intr(void *); 61 62 struct cfattach crime_ca = { 63 sizeof(struct device), crime_match, crime_attach 64 }; 65 66 static int 67 crime_match(parent, match, aux) 68 struct device *parent; 69 struct cfdata *match; 70 void *aux; 71 { 72 struct mainbus_attach_args *ma = aux; 73 74 /* 75 * The CRIME is in the O2. 76 */ 77 switch (ma->ma_arch) { 78 case 32: 79 return 1; 80 default: 81 return 0; 82 } 83 } 84 85 static void 86 crime_attach(parent, self, aux) 87 struct device *parent; 88 struct device *self; 89 void *aux; 90 { 91 struct mainbus_attach_args *ma = aux; 92 u_int32_t rev; /* really u_int64_t ! */ 93 int major, minor; 94 95 rev = bus_space_read_4(ma->ma_iot, ma->ma_ioh, 4) & 0xff; 96 97 major = rev > 4; 98 minor = rev & 0x0f; 99 100 if (major == 0 && minor == 0) 101 printf(": petty\n"); 102 else 103 printf(": rev %d.%d\n", major, minor); 104 105 #if 0 106 *(volatile u_int64_t *)0xb4000018 = 0xffffffffffffffff; 107 #else 108 /* enable all mace interrupts, but no crime devices */ 109 *(volatile u_int64_t *)0xb4000018 = 0x000000000000ffff; 110 #endif 111 } 112 113 /* 114 * XXX 115 */ 116 117 #define CRIME_NINTR 32 /* XXX */ 118 119 struct { 120 int (*func)(void *); 121 void *arg; 122 } crime[CRIME_NINTR]; 123 124 void * 125 crime_intr_establish(irq, type, level, func, arg) 126 int irq; 127 int type; 128 int level; 129 int (*func)(void *); 130 void *arg; 131 { 132 int i; 133 134 for (i = 0; i <= CRIME_NINTR; i++) { 135 if (i == CRIME_NINTR) 136 panic("too many IRQs"); 137 138 if (crime[i].func != NULL) 139 continue; 140 141 crime[i].func = func; 142 crime[i].arg = arg; 143 break; 144 } 145 146 return (void *)-1; 147 } 148 149 int 150 crime_intr(arg) 151 void *arg; 152 { 153 int i; 154 155 for (i = 0; i < CRIME_NINTR; i++) { 156 int s; 157 if (crime[i].func == NULL) 158 return 0; 159 160 s = spltty(); 161 (*crime[i].func)(crime[i].arg); 162 splx(s); 163 } 164 165 return 0; 166 } 167