1 /* $NetBSD: crime.c,v 1.12 2003/07/15 03:35:51 lukem 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 1.12 2003/07/15 03:35:51 lukem 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 <dev/pci/pcivar.h> 54 55 #include <sgimips/dev/macereg.h> 56 #include <sgimips/dev/crimereg.h> 57 58 #include "locators.h" 59 60 static int crime_match(struct device *, struct cfdata *, void *); 61 static void crime_attach(struct device *, struct device *, void *); 62 void * crime_intr_establish(int, int, int, int (*)(void *), void *); 63 void crime_intr(u_int); 64 65 CFATTACH_DECL(crime, sizeof(struct device), 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 mainbus_attach_args *ma = aux; 98 u_int64_t crm_id; 99 100 crm_id = bus_space_read_8(ma->ma_iot, ma->ma_ioh, 0); 101 102 aprint_naive(": system ASIC"); 103 104 switch ((crm_id & CRIME_ID_IDBITS) >> CRIME_ID_IDSHIFT) { 105 case 0x0b: 106 aprint_normal(": rev 1.5"); 107 break; 108 109 case 0x0a: 110 if ((crm_id >> 32) == 0) 111 aprint_normal(": rev 1.1"); 112 else if ((crm_id >> 32) == 1) 113 aprint_normal(": rev 1.3"); 114 else 115 aprint_normal(": rev 1.4"); 116 break; 117 118 case 0x00: 119 aprint_normal(": Petty CRIME"); 120 break; 121 122 default: 123 aprint_normal(": Unknown CRIME"); 124 break; 125 } 126 127 aprint_normal(" (CRIME_ID: %llx)\n", crm_id); 128 129 /* All interrupts off. Turned on as we register devices */ 130 *(volatile u_int64_t *)MIPS_PHYS_TO_KSEG1(CRIME_INTMASK) = 0; 131 *(volatile u_int64_t *)MIPS_PHYS_TO_KSEG1(CRIME_INTSTAT) = 0; 132 *(volatile u_int64_t *)MIPS_PHYS_TO_KSEG1(CRIME_SOFTINT) = 0; 133 *(volatile u_int64_t *)MIPS_PHYS_TO_KSEG1(CRIME_HARDINT) = 0; 134 *(volatile u_int32_t *)MIPS_PHYS_TO_KSEG1(MACE_ISA_INT_STATUS) = 0; 135 *(volatile u_int32_t *)MIPS_PHYS_TO_KSEG1(MACE_ISA_INT_MASK) = 0; 136 } 137 138 /* 139 * XXX: sharing interrupts? 140 */ 141 142 void * 143 crime_intr_establish(irq, type, level, func, arg) 144 int irq; 145 int type; 146 int level; 147 int (*func)(void *); 148 void *arg; 149 { 150 if (crime[irq].func != NULL) 151 return NULL; /* panic("Cannot share CRIME interrupts!"); */ 152 153 crime[irq].func = func; 154 crime[irq].arg = arg; 155 156 return (void *)&crime[irq]; 157 } 158 159 void 160 crime_intr(pendmask) 161 u_int pendmask; 162 { 163 int i; 164 165 for (i = 0; i < CRIME_NINTR; i++) { 166 if ((pendmask & (1 << i)) && crime[i].func != NULL) 167 (*crime[i].func)(crime[i].arg); 168 } 169 } 170 171