1 /* $NetBSD: crime.c,v 1.11 2003/01/10 20:39:22 rafal 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 #include <sgimips/dev/macereg.h> 53 #include <sgimips/dev/crimereg.h> 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 void crime_intr(u_int); 61 62 CFATTACH_DECL(crime, sizeof(struct device), 63 crime_match, crime_attach, NULL, NULL); 64 65 #define CRIME_NINTR 32 /* XXX */ 66 67 struct { 68 int (*func)(void *); 69 void *arg; 70 } crime[CRIME_NINTR]; 71 72 static int 73 crime_match(parent, match, aux) 74 struct device *parent; 75 struct cfdata *match; 76 void *aux; 77 { 78 79 /* 80 * The CRIME is in the O2. 81 */ 82 if (mach_type == MACH_SGI_IP32) 83 return (1); 84 85 return (0); 86 } 87 88 static void 89 crime_attach(parent, self, aux) 90 struct device *parent; 91 struct device *self; 92 void *aux; 93 { 94 struct mainbus_attach_args *ma = aux; 95 u_int64_t crm_id; 96 97 crm_id = bus_space_read_8(ma->ma_iot, ma->ma_ioh, 0); 98 99 aprint_naive(": system ASIC"); 100 101 switch ((crm_id & CRIME_ID_IDBITS) >> CRIME_ID_IDSHIFT) { 102 case 0x0b: 103 aprint_normal(": rev 1.5"); 104 break; 105 106 case 0x0a: 107 if ((crm_id >> 32) == 0) 108 aprint_normal(": rev 1.1"); 109 else if ((crm_id >> 32) == 1) 110 aprint_normal(": rev 1.3"); 111 else 112 aprint_normal(": rev 1.4"); 113 break; 114 115 case 0x00: 116 aprint_normal(": Petty CRIME"); 117 break; 118 119 default: 120 aprint_normal(": Unknown CRIME"); 121 break; 122 } 123 124 aprint_normal(" (CRIME_ID: %llx)\n", crm_id); 125 126 /* All interrupts off. Turned on as we register devices */ 127 *(volatile u_int64_t *)MIPS_PHYS_TO_KSEG1(CRIME_INTMASK) = 0; 128 *(volatile u_int64_t *)MIPS_PHYS_TO_KSEG1(CRIME_INTSTAT) = 0; 129 *(volatile u_int64_t *)MIPS_PHYS_TO_KSEG1(CRIME_SOFTINT) = 0; 130 *(volatile u_int64_t *)MIPS_PHYS_TO_KSEG1(CRIME_HARDINT) = 0; 131 *(volatile u_int32_t *)MIPS_PHYS_TO_KSEG1(MACE_ISA_INT_STATUS) = 0; 132 *(volatile u_int32_t *)MIPS_PHYS_TO_KSEG1(MACE_ISA_INT_MASK) = 0; 133 } 134 135 /* 136 * XXX: sharing interrupts? 137 */ 138 139 void * 140 crime_intr_establish(irq, type, level, func, arg) 141 int irq; 142 int type; 143 int level; 144 int (*func)(void *); 145 void *arg; 146 { 147 if (crime[irq].func != NULL) 148 return NULL; /* panic("Cannot share CRIME interrupts!"); */ 149 150 crime[irq].func = func; 151 crime[irq].arg = arg; 152 153 return (void *)&crime[irq]; 154 } 155 156 void 157 crime_intr(pendmask) 158 u_int pendmask; 159 { 160 int i; 161 162 for (i = 0; i < CRIME_NINTR; i++) { 163 if ((pendmask & (1 << i)) && crime[i].func != NULL) 164 (*crime[i].func)(crime[i].arg); 165 } 166 } 167 168