xref: /netbsd/sys/arch/vax/vax/nmi_mainbus.c (revision bf9ec67e)
1 /*	$NetBSD: nmi_mainbus.c,v 1.1 2000/07/26 11:47:19 ragge Exp $	   */
2 /*
3  * Copyright (c) 2000 Ludd, University of Lule}, Sweden.
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  * 3. All advertising materials mentioning features or use of this software
15  *    must display the following acknowledgement:
16  *      This product includes software developed at Ludd, University of
17  *      Lule}, Sweden and its contributors.
18  * 4. The name of the author may not be used to endorse or promote products
19  *    derived from this software without specific prior written permission
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 #include <sys/param.h>
34 #include <sys/device.h>
35 #include <sys/systm.h>
36 
37 #define	_VAX_BUS_DMA_PRIVATE
38 #include <machine/bus.h>
39 #include <machine/nexus.h>
40 #include <machine/sid.h>
41 #include <machine/scb.h>
42 #include <machine/cpu.h>
43 #include <machine/ka88.h>
44 
45 
46 extern	struct vax_bus_space vax_mem_bus_space;
47 extern	struct vax_bus_dma_tag vax_bus_dma_tag;
48 
49 static int
50 nmi_mainbus_print(void *aux, const char *name)
51 {
52 	struct nmi_attach_args *na = aux;
53 	char *c;
54 
55 	if (name) {
56 		if (na->slot < 10)
57 			c = "bi";
58 		else if (na->slot < 20)
59 			c = "mem";
60 		else
61 			c = "cpu";
62 		printf("%s at %s", c, name);
63 		if (na->slot < 10)
64 			printf(" slot %d", na->slot);
65 		if (vax_boardtype == VAX_BTYP_8800 && na->slot > 20)
66 			printf(" (%s)", ka88_confdata & KA88_LEFTPRIM ?
67 			    "right" : "left");
68 	}
69 	return UNCONF;
70 }
71 
72 static int
73 nmi_mainbus_match(struct device *parent, struct cfdata *vcf, void *aux)
74 {
75 	if (vax_bustype == VAX_NBIBUS)
76 		return 1;
77 	return 0;
78 }
79 
80 static void
81 nmi_mainbus_attach(struct device *parent, struct device *self, void *aux)
82 {
83 	struct nmi_attach_args na;
84 	int nbia, *r = 0;
85 
86 	printf("\n");
87 
88 	/* One CPU is always found */
89 	na.slot = 20;
90 	config_found(self, (void *)&na, nmi_mainbus_print);
91 
92 	/* Check for a second one */
93 	if (vax_boardtype == VAX_BTYP_8800) {
94 		na.slot = 21;
95 		config_found(self, (void *)&na, nmi_mainbus_print);
96 	}
97 
98 	/* One memory adapter is also present */
99 	na.slot = 10;
100 	config_found(self, (void *)&na, nmi_mainbus_print);
101 
102 	/* Enable BI interrupts */
103 	mtpr(NICTRL_DEV0|NICTRL_DEV1|NICTRL_MNF, PR_NICTRL);
104 
105 	/* Search for NBIA/NBIB adapters */
106 	for (nbia = 0; nbia < 2; nbia++) {
107 		if (r)
108 			vax_unmap_physmem((vaddr_t)r, 1);
109 		r = (int *)vax_map_physmem(NBIA_REGS(nbia), 1);
110 		if (badaddr((caddr_t)r, 4))
111 			continue;
112 		na.slot = 2 * nbia;
113 		if (r[1] & 2)
114 			config_found(self, (void *)&na, nmi_mainbus_print);
115 		na.slot++;
116 		if (r[1] & 4)
117 			config_found(self, (void *)&na, nmi_mainbus_print);
118 	}
119 }
120 
121 struct	cfattach nmi_mainbus_ca = {
122 	sizeof(struct device), nmi_mainbus_match, nmi_mainbus_attach
123 };
124