crime.c revision 1.16
1 /* $NetBSD: crime.c,v 1.16 2004/01/13 14:31:37 sekiya 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 1.16 2004/01/13 14:31:37 sekiya 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 #include <machine/sysconf.h> 53 54 #include <sgimips/dev/crimevar.h> 55 #include <sgimips/dev/crimereg.h> 56 57 #include "locators.h" 58 59 static int crime_match(struct device *, struct cfdata *, void *); 60 static void crime_attach(struct device *, struct device *, void *); 61 void crime_watchdog_tickle(void); 62 63 struct crime_softc *crime_sc; /* only one per machine, okay to be global */ 64 65 CFATTACH_DECL(crime, sizeof(struct crime_softc), 66 crime_match, crime_attach, NULL, NULL); 67 68 #define CRIME_NINTR 32 /* XXX */ 69 70 struct { 71 int (*func)(void *); 72 void *arg; 73 } crime[CRIME_NINTR]; 74 75 static int 76 crime_match(parent, match, aux) 77 struct device *parent; 78 struct cfdata *match; 79 void *aux; 80 { 81 82 /* 83 * The CRIME is in the O2. 84 */ 85 if (mach_type == MACH_SGI_IP32) 86 return (1); 87 88 return (0); 89 } 90 91 static void 92 crime_attach(parent, self, aux) 93 struct device *parent; 94 struct device *self; 95 void *aux; 96 { 97 struct crime_softc *sc = (struct crime_softc *)self; 98 struct mainbus_attach_args *ma = aux; 99 u_int64_t crm_id; 100 101 crime_sc = sc; 102 103 sc->iot = SGIMIPS_BUS_SPACE_CRIME; 104 105 if (bus_space_map(sc->iot, ma->ma_addr, 0 /* XXX */, 106 BUS_SPACE_MAP_LINEAR, &sc->ioh)) 107 panic("crime_attach: can't map I/O space"); 108 109 crm_id = bus_space_read_8(sc->iot, sc->ioh, CRIME_REV); 110 111 aprint_naive(": system ASIC"); 112 113 switch ((crm_id & CRIME_ID_IDBITS) >> CRIME_ID_IDSHIFT) { 114 case 0x0b: 115 aprint_normal(": rev 1.5"); 116 break; 117 118 case 0x0a: 119 if ((crm_id >> 32) == 0) 120 aprint_normal(": rev 1.1"); 121 else if ((crm_id >> 32) == 1) 122 aprint_normal(": rev 1.3"); 123 else 124 aprint_normal(": rev 1.4"); 125 break; 126 127 case 0x00: 128 aprint_normal(": Petty CRIME"); 129 break; 130 131 default: 132 aprint_normal(": Unknown CRIME"); 133 break; 134 } 135 136 aprint_normal(" (CRIME_ID: %llx)\n", crm_id); 137 138 /* Turn on memory error and crime error interrupts. 139 All others turned on as devices are registered. */ 140 bus_space_write_8(sc->iot, sc->ioh, CRIME_INTMASK, 141 CRIME_INT_MEMERR | 142 CRIME_INT_CRMERR | 143 CRIME_INT_VICE | 144 CRIME_INT_VID_OUT | 145 CRIME_INT_VID_IN2 | 146 CRIME_INT_VID_IN1); 147 bus_space_write_8(sc->iot, sc->ioh, CRIME_INTSTAT, 0); 148 bus_space_write_8(sc->iot, sc->ioh, CRIME_SOFTINT, 0); 149 bus_space_write_8(sc->iot, sc->ioh, CRIME_HARDINT, 0); 150 151 platform.watchdog_reset = crime_watchdog_tickle; 152 } 153 154 /* 155 * XXX: sharing interrupts? 156 */ 157 158 void * 159 crime_intr_establish(irq, type, level, func, arg) 160 int irq; 161 int type; 162 int level; 163 int (*func)(void *); 164 void *arg; 165 { 166 if (crime[irq].func != NULL) 167 return NULL; /* panic("Cannot share CRIME interrupts!"); */ 168 169 crime[irq].func = func; 170 crime[irq].arg = arg; 171 172 crime_intr_mask(irq); 173 174 return (void *)&crime[irq]; 175 } 176 177 void 178 crime_intr(pendmask) 179 u_int pendmask; 180 { 181 int i; 182 183 for (i = 0; i < CRIME_NINTR; i++) { 184 if ((pendmask & (1 << i)) && crime[i].func != NULL) 185 (*crime[i].func)(crime[i].arg); 186 } 187 } 188 189 void 190 crime_intr_mask(unsigned int intr) 191 { 192 u_int64_t mask; 193 194 mask = bus_space_read_8(crime_sc->iot, crime_sc->ioh, CRIME_INTMASK); 195 mask |= (1 << intr); 196 bus_space_write_8(crime_sc->iot, crime_sc->ioh, CRIME_INTMASK, mask); 197 } 198 199 void 200 crime_watchdog_tickle(void) 201 { 202 /* enable watchdog timer, clear it */ 203 bus_space_write_8(crime_sc->iot, crime_sc->ioh, 204 CRIME_CONTROL, CRIME_CONTROL_DOG_ENABLE); 205 bus_space_write_8(crime_sc->iot, crime_sc->ioh, CRIME_WATCHDOG, 0); 206 } 207 208
Indexes created Sat Sep 27 22:09:54 GMT 2025