NetBSD/sys/dev/bi/bi.c

152 lines
4.2 KiB
C

/* $NetBSD: bi.c,v 1.12 1999/07/12 13:42:24 ragge Exp $ */
/*
* Copyright (c) 1996 Ludd, University of Lule}, Sweden.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed at Ludd, University of
* Lule}, Sweden and its contributors.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* VAXBI specific routines.
*/
/*
* TODO
* handle BIbus errors more gracefully.
*/
#include <sys/param.h>
#include <sys/device.h>
#include <sys/systm.h>
#include <machine/mtpr.h>
#include <machine/nexus.h>
#include <machine/cpu.h>
#include <arch/vax/bi/bireg.h>
#include <arch/vax/bi/bivar.h>
static int bi_match __P((struct device *, struct cfdata *, void *));
static void bi_attach __P((struct device *, struct device *, void*));
static int bi_print __P((void *, const char *));
struct cfattach bi_ca = {
sizeof(struct bi_softc), bi_match, bi_attach
};
struct bi_list bi_list[] = {
{BIDT_MS820, 1, "ms820"},
{BIDT_DRB32, 0, "drb32"},
{BIDT_DWBUA, 0, "dwbua"},
{BIDT_KLESI, 0, "klesi"},
{BIDT_KA820, 1, "ka820"},
{BIDT_DB88, 0, "db88"},
{BIDT_CIBCA, 0, "cibca"},
{BIDT_DMB32, 0, "dmb32"},
{BIDT_CIBCI, 0, "cibci"},
{BIDT_KA800, 0, "ka800"},
{BIDT_KDB50, 0, "kdb50"},
{BIDT_DWMBA, 0, "dwmba"},
{BIDT_KFBTA, 0, "kfbta"},
{BIDT_DEBNK, 0, "debnk"},
{BIDT_DEBNA, 0, "debna"},
{0,0,0}
};
int
bi_print(aux, name)
void *aux;
const char *name;
{
struct bi_attach_args *ba = aux;
struct bi_list *bl;
for (bl = &bi_list[0]; bl->bl_nr; bl++)
if (bl->bl_nr == ba->ba_node->biic.bi_dtype)
break;
if (name) {
if (bl->bl_nr == 0)
printf("unknown device 0x%x",
ba->ba_node->biic.bi_dtype);
else
printf(bl->bl_name);
printf(" at %s", name);
}
printf(" node %d", ba->ba_nodenr);
#ifdef DEBUG
if (ba->ba_node->biic.bi_sadr && ba->ba_node->biic.bi_eadr)
printf(" [sadr %lx eadr %lx]", ba->ba_node->biic.bi_sadr,
ba->ba_node->biic.bi_eadr);
#endif
return bl->bl_havedriver ? UNCONF : UNSUPP;
}
int
bi_match(parent, match, aux)
struct device *parent;
struct cfdata *match;
void *aux;
{
struct bp_conf *bp = aux;
if (strcmp(bp->type, "bi"))
return 0;
return 1;
}
void
bi_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct bp_conf *bp = aux;
struct bi_softc *bi = (void *)self;
struct bi_node *binode;
struct bi_attach_args ba;
int nodenr;
printf("\n");
bi->bi_base = (struct bi_node *)bp->bp_addr;
ba.ba_intcpu = 1 << mastercpu;
#define NODEPGS (sizeof(struct bi_node) / VAX_NBPG)
for (nodenr = 0; nodenr < NNODEBI; nodenr++) {
binode = (struct bi_node *)vax_map_physmem(
(paddr_t)(bi->bi_base + nodenr), NODEPGS);
if (badaddr((caddr_t)binode, 4)) {
vax_unmap_physmem((vaddr_t)binode, NODEPGS);
} else {
ba.ba_node = binode;
ba.ba_nodenr = nodenr;
ba.ba_busnr = 0; /* XXX */
config_found(self, &ba, bi_print);
}
}
}