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working vme16/32 support

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This commit is contained in:
deraadt 1994-10-26 07:09:41 +00:00
parent aa9eacdd59
commit 9773a7aa40
1 changed files with 82 additions and 2 deletions
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84
sys/arch/sparc/dev/obio.c
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@ -1,4 +1,4 @@
/* $NetBSD: obio.c,v 1.4 1994/10/15 05:49:06 deraadt Exp $ */
/* $NetBSD: obio.c,v 1.5 1994/10/26 07:09:41 deraadt Exp $ */
/*
* Copyright (c) 1993, 1994 Theo de Raadt
@ -44,6 +44,7 @@
#include <machine/autoconf.h>
#include <machine/pmap.h>
#include <machine/oldmon.h>
#include <machine/cpu.h>
#include <machine/ctlreg.h>
#include <sparc/sparc/asm.h>
#include <sparc/sparc/vaddrs.h>
@ -139,7 +140,10 @@ busattach(parent, self, args, bustype)
bustype);
oca.ca_ra.ra_vaddr = tmp;
oca.ca_ra.ra_intr[0].int_pri = cf->cf_loc[1];
oca.ca_ra.ra_intr[0].int_vec = 0;
if (bustype == BUS_VME16 || bustype == BUS_VME32)
oca.ca_ra.ra_intr[0].int_vec = cf->cf_loc[2];
else
oca.ca_ra.ra_intr[0].int_vec = 0;
oca.ca_ra.ra_nintr = 1;
oca.ca_ra.ra_name = cf->cf_driver->cd_name;
oca.ca_ra.ra_bp = ca->ca_ra.ra_bp;
@ -178,11 +182,18 @@ obioattach(parent, self, args)
busattach(parent, self, args, BUS_OBIO);
}
struct intrhand **vmeints;
void
vmesattach(parent, self, args)
struct device *parent, *self;
void *args;
{
if (vmeints == NULL) {
vmeints = (struct intrhand **)malloc(256 *
sizeof(struct intrhand *), M_TEMP, M_NOWAIT);
bzero(vmeints, 256 * sizeof(struct intrhand *));
}
busattach(parent, self, args, BUS_VME16);
}
@ -191,9 +202,78 @@ vmelattach(parent, self, args)
struct device *parent, *self;
void *args;
{
if (vmeints == NULL) {
vmeints = (struct intrhand **)malloc(256 *
sizeof(struct intrhand *), M_TEMP, M_NOWAIT);
bzero(vmeints, 256 * sizeof(struct intrhand *));
}
busattach(parent, self, args, BUS_VME32);
}
int pil_to_vme[] = {
-1, /* pil 0 */
-1, /* pil 1 */
1, /* pil 2 */
2, /* pil 3 */
-1, /* pil 4 */
3, /* pil 5 */
-1, /* pil 6 */
4, /* pil 7 */
-1, /* pil 8 */
5, /* pil 9 */
-1, /* pil 10 */
6, /* pil 11 */
-1, /* pil 12 */
7, /* pil 13 */
-1, /* pil 14 */
-1, /* pil 15 */
};
int
vmeintr(arg)
void *arg;
{
int level = (int)arg, vec;
struct intrhand *ih;
int i = 0;
vec = lduba(AC_VMEINTVEC | (pil_to_vme[level] << 1) | 1, ASI_CONTROL);
for (ih = vmeints[vec]; ih; ih = ih->ih_next)
if (ih->ih_fun)
i += (ih->ih_fun)(ih->ih_arg);
return (i);
}
void
vmeintr_establish(vec, level, ih)
int vec, level;
struct intrhand *ih;
{
struct intrhand *ihs;
if (vmeints[vec] == NULL)
vmeints[vec] = ih;
else {
for (ihs = vmeints[vec]; ihs->ih_next; ihs = ihs->ih_next)
;
ihs->ih_next = ih;
}
/* ensure the interrupt subsystem will call us at this level */
for (ihs = intrhand[level]; ihs; ihs = ihs->ih_next)
if (ihs->ih_fun == vmeintr)
return;
ihs = (struct intrhand *)malloc(sizeof(struct intrhand),
M_TEMP, M_NOWAIT);
if (ihs == NULL)
panic("vme_addirq");
bzero(ihs, sizeof *ihs);
ihs->ih_fun = vmeintr;
ihs->ih_arg = (void *)level;
intr_establish(level, ihs);
}
#define getpte(va) lda(va, ASI_PTE)