crime.c revision 1.14
1 /* $NetBSD: crime.c,v 1.14 2003/11/17 10:07:58 keihan 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/cdefs.h> 40 __KERNEL_RCSID(0, "$NetBSD: crime.c,v 1.14 2003/11/17 10:07:58 keihan Exp $"); 41 42 #include <sys/param.h> 43 #include <sys/device.h> 44 #include <sys/systm.h> 45 46 #include <machine/cpu.h> 47 #include <machine/locore.h> 48 #include <machine/autoconf.h> 49 #include <machine/bus.h> 50 #include <machine/intr.h> 51 #include <machine/machtype.h> 52 53 #include <sgimips/dev/crimevar.h> 54 #include <sgimips/dev/crimereg.h> 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 61 struct crime_softc *crime_sc; /* only one per machine, okay to be global */ 62 63 CFATTACH_DECL(crime, sizeof(struct crime_softc), 64 crime_match, crime_attach, NULL, NULL); 65 66 #define CRIME_NINTR 32 /* XXX */ 67 68 struct { 69 int (*func)(void *); 70 void *arg; 71 } crime[CRIME_NINTR]; 72 73 static int 74 crime_match(parent, match, aux) 75 struct device *parent; 76 struct cfdata *match; 77 void *aux; 78 { 79 80 /* 81 * The CRIME is in the O2. 82 */ 83 if (mach_type == MACH_SGI_IP32) 84 return (1); 85 86 return (0); 87 } 88 89 static void 90 crime_attach(parent, self, aux) 91 struct device *parent; 92 struct device *self; 93 void *aux; 94 { 95 struct crime_softc *sc = (struct crime_softc *)self; 96 struct mainbus_attach_args *ma = aux; 97 u_int64_t crm_id; 98 99 crime_sc = sc; 100 101 sc->iot = SGIMIPS_BUS_SPACE_HPC; 102 103 if (bus_space_map(sc->iot, ma->ma_addr, 0 /* XXX */, 104 BUS_SPACE_MAP_LINEAR, &sc->ioh)) 105 panic("crime_attach: can't map I/O space"); 106 107 crm_id = bus_space_read_8(sc->iot, sc->ioh, CRIME_REV); 108 109 aprint_naive(": system ASIC"); 110 111 switch ((crm_id & CRIME_ID_IDBITS) >> CRIME_ID_IDSHIFT) { 112 case 0x0b: 113 aprint_normal(": rev 1.5"); 114 break; 115 116 case 0x0a: 117 if ((crm_id >> 32) == 0) 118 aprint_normal(": rev 1.1"); 119 else if ((crm_id >> 32) == 1) 120 aprint_normal(": rev 1.3"); 121 else 122 aprint_normal(": rev 1.4"); 123 break; 124 125 case 0x00: 126 aprint_normal(": Petty CRIME"); 127 break; 128 129 default: 130 aprint_normal(": Unknown CRIME"); 131 break; 132 } 133 134 aprint_normal(" (CRIME_ID: %llx)\n", crm_id); 135 136 /* Turn on memory error and crime error interrupts. 137 All others turned on as devices are registered. */ 138 bus_space_write_8(sc->iot, sc->ioh, CRIME_INTMASK, 139 CRIME_INT_MEMERR | 140 CRIME_INT_CRMERR | 141 CRIME_INT_VICE | 142 CRIME_INT_VID_OUT | 143 CRIME_INT_VID_IN2 | 144 CRIME_INT_VID_IN1); 145 bus_space_write_8(sc->iot, sc->ioh, CRIME_INTSTAT, 0); 146 bus_space_write_8(sc->iot, sc->ioh, CRIME_SOFTINT, 0); 147 bus_space_write_8(sc->iot, sc->ioh, CRIME_HARDINT, 0); 148 } 149 150 /* 151 * XXX: sharing interrupts? 152 */ 153 154 void * 155 crime_intr_establish(irq, type, level, func, arg) 156 int irq; 157 int type; 158 int level; 159 int (*func)(void *); 160 void *arg; 161 { 162 if (crime[irq].func != NULL) 163 return NULL; /* panic("Cannot share CRIME interrupts!"); */ 164 165 crime[irq].func = func; 166 crime[irq].arg = arg; 167 168 crime_intr_mask(irq); 169 170 return (void *)&crime[irq]; 171 } 172 173 void 174 crime_intr(pendmask) 175 u_int pendmask; 176 { 177 int i; 178 179 for (i = 0; i < CRIME_NINTR; i++) { 180 if ((pendmask & (1 << i)) && crime[i].func != NULL) 181 (*crime[i].func)(crime[i].arg); 182 } 183 } 184 185 void 186 crime_intr_mask(unsigned int intr) 187 { 188 u_int64_t mask; 189 190 mask = bus_space_read_8(crime_sc->iot, crime_sc->ioh, CRIME_INTMASK); 191 mask |= (1 << intr); 192 bus_space_write_8(crime_sc->iot, crime_sc->ioh, CRIME_INTMASK, mask); 193 } 194
Indexes created Wed Sep 24 14:09:57 GMT 2025