Aren
/
NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

find ebus device INO values via the "interrupt-map" and "interrupt-map-mask" properties.

This commit is contained in:
mrg 1999-06-05 14:18:26 +00:00
parent d80294fead
commit e8ccf39491
2 changed files with 55 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

59
sys/arch/sparc64/dev/ebus.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: ebus.c,v 1.2 1999/06/04 14:29:38 mrg Exp $ */
/* $NetBSD: ebus.c,v 1.3 1999/06/05 14:18:26 mrg Exp $ */
/*
* Copyright (c) 1999 Matthew R. Green
@ -38,6 +38,7 @@
#ifdef DEBUG
#define EDB_PROM 0x1
#define EDB_CHILD 0x2
#define EDB_INTRMAP 0x4
int ebus_debug = 0;
#define DPRINTF(l, s) do { if (ebus_debug & l) printf s; } while (0)
#else
@ -72,6 +73,7 @@ int ebus_setup_attach_args __P((struct ebus_softc *, int,
struct ebus_attach_args *));
void ebus_destroy_attach_args __P((struct ebus_attach_args *));
int ebus_print __P((void *, const char *));
void ebus_find_ino __P((struct ebus_softc *, struct ebus_attach_args *));
int ebus_find_node __P((struct ebus_softc *, struct pci_attach_args *));
int
@ -125,7 +127,8 @@ ebus_attach(parent, self, aux)
/*
* fill in our softc with information from the prom
*/
sc->sc_intmap = sc->sc_range = NULL;
sc->sc_intmap = NULL;
sc->sc_range = NULL;
rv = getprop(node, "interrupt-map", sizeof(struct ebus_interrupt_map),
&sc->sc_nintmap, (void **)&sc->sc_intmap);
if (rv)
@ -194,10 +197,14 @@ ebus_setup_attach_args(sc, node, ea)
if (ea->ea_nregs != ea->ea_naddrs)
printf("ebus loses: device %s: %d regs and %d addrs\n",
ea->ea_name, ea->ea_nregs, ea->ea_naddrs);
}
} else
ea->ea_naddrs = 0;
(void)getprop(node, "interrupts", sizeof(u_int32_t), &ea->ea_nintrs,
(void **)&ea->ea_intrs);
if (getprop(node, "interrupts", sizeof(u_int32_t), &ea->ea_nintrs,
(void **)&ea->ea_intrs))
ea->ea_nintrs = 0;
else
ebus_find_ino(sc, ea);
return (0);
}
@ -229,6 +236,48 @@ ebus_print(aux, p)
return (UNCONF);
}
/*
* find the INO values for each interrupt and fill them in.
*
* for each "reg" property of this device, mask it's hi and lo
* values with the "interrupt-map-mask"'s hi/lo values, and also
* mask the interrupt number with the interrupt mask. search the
* "interrupt-map" list for matching values of hi, lo and interrupt
* to give the INO for this interrupt.
*/
void
ebus_find_ino(sc, ea)
struct ebus_softc *sc;
struct ebus_attach_args *ea;
{
u_int32_t hi, lo, intr;
int i, j, k;
DPRINTF(EDB_INTRMAP, ("ebus_find_ino: searching %d interrupts", ea->ea_nintrs));
for (j = 0; j < ea->ea_nintrs; j++) {
intr = ea->ea_intrs[j] & sc->sc_intmapmask.intr;
DPRINTF(EDB_INTRMAP, ("; intr %x masked to %x", ea->ea_intrs[j], intr));
for (i = 0; i < ea->ea_nregs; i++) {
hi = ea->ea_regs[i].hi & sc->sc_intmapmask.hi;
lo = ea->ea_regs[i].lo & sc->sc_intmapmask.lo;
DPRINTF(EDB_INTRMAP, ("; reg hi.lo %08x.08x masked to %08x.%08x", ea->ea_regs[i].hi, ea->ea_regs[i].lo, hi, lo));
for (k = 0; k < sc->sc_nintmap; k++) {
DPRINTF(EDB_INTRMAP, ("; checking hi.lo %08x.%08x intr %x", sc->sc_intmap[k].hi, sc->sc_intmap[k].lo, sc->sc_intmap[k].intr));
if (hi == sc->sc_intmap[k].hi &&
lo == sc->sc_intmap[k].lo &&
intr == sc->sc_intmap[k].intr) {
ea->ea_intrs[j] = sc->sc_intmap[k].cintr;
DPRINTF(EDB_INTRMAP, ("; FOUND IT! changing to %d\n", sc->sc_intmap[k].cintr));
goto next_intr;
}
}
}
next_intr:
}
}
/*
* what is our OFW node?
*/

4
sys/arch/sparc64/dev/ebusvar.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: ebusvar.h,v 1.1 1999/06/04 13:29:13 mrg Exp $ */
/* $NetBSD: ebusvar.h,v 1.2 1999/06/05 14:18:26 mrg Exp $ */
/*
* Copyright (c) 1999 Matthew R. Green
@ -50,8 +50,6 @@ struct ebus_attach_args {
int ea_nregs; /* number of them */
int ea_naddrs;
int ea_nintrs;
/* XXX */
};
struct ebus_softc {