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crime.c revision 1.9 
      1 /*	$NetBSD: crime.c,v 1.9 2003/01/03 09:09:21 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/crimereg.h>
     53 
     54 #include "locators.h"
     55 
     56 static int	crime_match(struct device *, struct cfdata *, void *);
     57 static void	crime_attach(struct device *, struct device *, void *);
     58 void *		crime_intr_establish(int, int, int, int (*)(void *), void *);
     59 void		crime_intr(u_int);
     60 
     61 CFATTACH_DECL(crime, sizeof(struct device),
     62     crime_match, crime_attach, NULL, NULL);
     63 
     64 static int
     65 crime_match(parent, match, aux)
     66 	struct device *parent;
     67 	struct cfdata *match;
     68 	void *aux;
     69 {
     70 
     71 	/*
     72 	 * The CRIME is in the O2.
     73 	 */
     74 	if (mach_type == MACH_SGI_IP32)
     75 		return (1);
     76 
     77 	return (0);
     78 }
     79 
     80 static void
     81 crime_attach(parent, self, aux)
     82 	struct device *parent;
     83 	struct device *self;
     84 	void *aux;
     85 {
     86 	struct mainbus_attach_args *ma = aux;
     87 	u_int64_t crm_id;
     88 	int id, rev;
     89 
     90 	crm_id = bus_space_read_8(ma->ma_iot, ma->ma_ioh, 0);
     91 
     92 	id = (crm_id & 0xf0) >> 4;
     93 	rev = crm_id & 0x0f;
     94 
     95 	switch (id) {
     96 	case 0x0b:
     97 		aprint_normal(": rev 1.5");
     98 		break;
     99 
    100 	case 0x0a:
    101 		if ((crm_id >> 32) == 0)
    102 			aprint_normal(": rev 1.1");
    103 		else if ((crm_id >> 32) == 1)
    104 			aprint_normal(": rev 1.3");
    105 		else
    106 			aprint_normal(": rev 1.4");
    107 		break;
    108 
    109 	case 0x00:
    110 		aprint_normal(": Petty CRIME");
    111 		break;
    112 
    113 	default:
    114 		aprint_normal(": Unknown CRIME");
    115 		break;
    116 	}
    117 
    118 	aprint_normal(" (CRIME_ID: %llx)\n", crm_id);
    119 #if 0
    120 	*(volatile u_int64_t *)0xb4000018 = 0xffffffffffffffff;
    121 #else
    122 	/* enable all mace interrupts, but no crime devices */
    123 	*(volatile u_int64_t *)0xb4000018 = 0x000000000000ffff;
    124 #endif
    125 }
    126 
    127 /*
    128  * XXX
    129  */
    130 
    131 #define CRIME_NINTR 32 	/* XXX */
    132 
    133 struct {
    134 	int	(*func)(void *);
    135 	void	*arg;
    136 } crime[CRIME_NINTR];
    137 
    138 void *
    139 crime_intr_establish(irq, type, level, func, arg)
    140 	int irq;
    141 	int type;
    142 	int level;
    143 	int (*func)(void *);
    144 	void *arg;
    145 {
    146 	int i;
    147 
    148 	for (i = 0; i <= CRIME_NINTR; i++) {
    149 		if (i == CRIME_NINTR)
    150 			panic("too many IRQs");
    151 
    152 		if (crime[i].func != NULL)
    153 			continue;
    154 
    155 		crime[i].func = func;
    156 		crime[i].arg = arg;
    157 		break;
    158 	}
    159 
    160 	return (void *)-1;
    161 }
    162 
    163 void
    164 crime_intr(pendmask)
    165 	u_int pendmask;
    166 {
    167 	int i;
    168 
    169 	for (i = 0; i < CRIME_NINTR; i++) {
    170 		if ((pendmask & (1 << i)) && crime[i].func != NULL)
    171 			(*crime[i].func)(crime[i].arg);
    172 	}
    173 }
    174 
    175