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Handle sun4m `obio' devices. 

Cleanup `#if defined(SUN4*)' mess.
This commit is contained in:
pk 1996-03-31 22:28:38 +00:00
parent 96f175d477
commit 25aa56ae29
1 changed files with 187 additions and 84 deletions
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271
sys/arch/sparc/dev/obio.c
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@ -1,7 +1,8 @@
/* $NetBSD: obio.c,v 1.21 1996/03/17 02:01:12 thorpej Exp $ */ /* $NetBSD: obio.c,v 1.22 1996/03/31 22:28:38 pk Exp $ */
/* /*
* Copyright (c) 1993, 1994 Theo de Raadt * Copyright (c) 1993, 1994 Theo de Raadt
* Copyright (c) 1995 Paul Kranenburg
* All rights reserved. * All rights reserved.
* *
* Redistribution and use in source and binary forms, with or without * Redistribution and use in source and binary forms, with or without
@ -49,26 +50,29 @@
#include <machine/ctlreg.h> #include <machine/ctlreg.h>
#include <sparc/sparc/asm.h> #include <sparc/sparc/asm.h>
#include <sparc/sparc/vaddrs.h> #include <sparc/sparc/vaddrs.h>
#include <sparc/dev/sbusvar.h>
struct bus_softc { struct bus_softc {
struct device sc_dev; /* base device */ union {
int nothing; struct device scu_dev; /* base device */
struct sbus_softc scu_sbus; /* obio is another sbus slot */
} bu;
#define sc_dev bu.scu_dev
}; };
/* autoconfiguration driver */ /* autoconfiguration driver */
static int busmatch __P((struct device *, void *, void *)); static int busmatch __P((struct device *, void *, void *));
static void obioattach __P((struct device *, struct device *, void *)); static void obioattach __P((struct device *, struct device *, void *));
int busprint __P((void *, char *));
#if defined(SUN4)
static void vmesattach __P((struct device *, struct device *, void *)); static void vmesattach __P((struct device *, struct device *, void *));
static void vmelattach __P((struct device *, struct device *, void *)); static void vmelattach __P((struct device *, struct device *, void *));
int busprint __P((void *, char *));
static int busattach __P((struct device *, void *, void *, int)); static int busattach __P((struct device *, void *, void *, int));
void * bus_map __P((struct rom_reg *, int, int)); void * bus_map __P((struct rom_reg *, int, int));
int obio_scan __P((struct device *, void *, void *)); int obio_scan __P((struct device *, void *, void *));
int vmes_scan __P((struct device *, void *, void *)); int vmes_scan __P((struct device *, void *, void *));
int vmel_scan __P((struct device *, void *, void *)); int vmel_scan __P((struct device *, void *, void *));
int vmeintr __P((void *)); int vmeintr __P((void *));
#endif
struct cfattach obio_ca = { struct cfattach obio_ca = {
sizeof(struct bus_softc), busmatch, obioattach sizeof(struct bus_softc), busmatch, obioattach
@ -78,7 +82,6 @@ struct cfdriver obio_cd = {
NULL, "obio", DV_DULL NULL, "obio", DV_DULL
}; };
#if defined(SUN4)
struct cfattach vmel_ca = { struct cfattach vmel_ca = {
sizeof(struct bus_softc), busmatch, vmelattach sizeof(struct bus_softc), busmatch, vmelattach
}; };
@ -94,7 +97,8 @@ struct cfattach vmes_ca = {
struct cfdriver vmes_cd = { struct cfdriver vmes_cd = {
NULL, "vmes", DV_DULL NULL, "vmes", DV_DULL
}; };
#endif
struct intrhand **vmeints;
int int
@ -106,8 +110,12 @@ busmatch(parent, vcf, aux)
register struct confargs *ca = aux; register struct confargs *ca = aux;
register struct romaux *ra = &ca->ca_ra; register struct romaux *ra = &ca->ca_ra;
if (cputyp != CPU_SUN4) if (CPU_ISSUN4M)
return (strcmp(cf->cf_driver->cd_name, ra->ra_name) == 0);
if (!CPU_ISSUN4)
return (0); return (0);
return (strcmp(cf->cf_driver->cd_name, ra->ra_name) == 0); return (strcmp(cf->cf_driver->cd_name, ra->ra_name) == 0);
} }
@ -120,27 +128,173 @@ busprint(args, obio)
if (ca->ca_ra.ra_name == NULL) if (ca->ca_ra.ra_name == NULL)
ca->ca_ra.ra_name = "<unknown>"; ca->ca_ra.ra_name = "<unknown>";
if (obio) if (obio)
printf("[%s at %s]", ca->ca_ra.ra_name, obio); printf("[%s at %s]", ca->ca_ra.ra_name, obio);
printf(" addr %p", ca->ca_ra.ra_paddr); printf(" addr %p", ca->ca_ra.ra_paddr);
if (ca->ca_ra.ra_intr[0].int_vec != -1)
if (CPU_ISSUN4 && ca->ca_ra.ra_intr[0].int_vec != -1)
printf(" vec 0x%x", ca->ca_ra.ra_intr[0].int_vec); printf(" vec 0x%x", ca->ca_ra.ra_intr[0].int_vec);
return (UNCONF); return (UNCONF);
} }
void
obioattach(parent, self, args)
struct device *parent, *self;
void *args;
{
#if defined(SUN4M)
register struct bus_softc *sc = (struct bus_softc *)self;
struct confargs oca, *ca = args;
register struct romaux *ra = &ca->ca_ra;
register int node0, node;
register char *name;
register const char *sp;
const char *const *ssp;
extern int autoconf_nzs;
static const char *const special4m[] = {
/* find these first */
"eeprom",
"counter",
"auxio",
"",
/* place device to ignore here */
"interrupt",
NULL
};
#endif
if (CPU_ISSUN4) {
if (self->dv_unit > 0) {
printf(" unsupported\n");
return;
}
printf("\n");
(void)config_search(obio_scan, self, args);
bus_untmp();
}
#if defined(SUN4M)
if (!CPU_ISSUN4M)
return;
/*
* There is only one obio bus (it is in fact one of the Sbus slots)
* How about VME?
*/
if (sc->sc_dev.dv_unit > 0) {
printf(" unsupported\n");
return;
}
printf("\n");
if (ra->ra_bp != NULL && strcmp(ra->ra_bp->name, "obio") == 0)
oca.ca_ra.ra_bp = ra->ra_bp + 1;
else
oca.ca_ra.ra_bp = NULL;
sc->bu.scu_sbus.sc_range = ra->ra_range;
sc->bu.scu_sbus.sc_nrange = ra->ra_nrange;
/*
* Loop through ROM children, fixing any relative addresses
* and then configuring each device.
* We first do the crucial ones, such as eeprom, etc.
*/
node0 = firstchild(ra->ra_node);
for (ssp = special4m ; *(sp = *ssp) != 0; ssp++) {
if ((node = findnode(node0, sp)) == 0) {
printf("could not find %s amongst obio devices\n", sp);
panic(sp);
}
if (!romprop(&oca.ca_ra, sp, node))
continue;
sbus_translate(self, &oca);
oca.ca_bustype = BUS_OBIO;
(void) config_found(&sc->sc_dev, (void *)&oca, busprint);
}
for (node = node0; node; node = nextsibling(node)) {
name = getpropstring(node, "name");
for (ssp = special4m ; (sp = *ssp) != NULL; ssp++)
if (strcmp(name, sp) == 0)
break;
if (sp != NULL || !romprop(&oca.ca_ra, name, node))
continue;
if (strcmp(name, "zs") == 0)
/* XXX - see autoconf.c for this hack */
autoconf_nzs++;
/* Translate into parent address spaces */
sbus_translate(self, &oca);
oca.ca_bustype = BUS_OBIO;
(void) config_found(&sc->sc_dev, (void *)&oca, busprint);
}
#endif
}
void
vmesattach(parent, self, args)
struct device *parent, *self;
void *args;
{
if (CPU_ISSUN4M || self->dv_unit > 0) {
printf(" unsupported\n");
return;
}
printf("\n");
if (vmeints == NULL) {
vmeints = (struct intrhand **)malloc(256 *
sizeof(struct intrhand *), M_TEMP, M_NOWAIT);
bzero(vmeints, 256 * sizeof(struct intrhand *));
}
(void)config_search(vmes_scan, self, args);
bus_untmp();
}
void
vmelattach(parent, self, args)
struct device *parent, *self;
void *args;
{
if (CPU_ISSUN4M || self->dv_unit > 0) {
printf(" unsupported\n");
return;
}
printf("\n");
if (vmeints == NULL) {
vmeints = (struct intrhand **)malloc(256 *
sizeof(struct intrhand *), M_TEMP, M_NOWAIT);
bzero(vmeints, 256 * sizeof(struct intrhand *));
}
(void)config_search(vmel_scan, self, args);
bus_untmp();
}
int int
busattach(parent, child, args, bustype) busattach(parent, child, args, bustype)
struct device *parent; struct device *parent;
void *args, *child; void *args, *child;
int bustype; int bustype;
{ {
#if defined(SUN4)
struct cfdata *cf = child; struct cfdata *cf = child;
register struct confargs *ca = args; register struct confargs *ca = args;
struct confargs oca; struct confargs oca;
caddr_t tmp; caddr_t tmp;
if (bustype == BUS_OBIO && cputyp == CPU_SUN4) { if (bustype == BUS_OBIO && CPU_ISSUN4) {
/* /*
* On the 4/100 obio addresses must be mapped at * On the 4/100 obio addresses must be mapped at
* 0x0YYYYYYY, but alias higher up (we avoid the * 0x0YYYYYYY, but alias higher up (we avoid the
@ -148,9 +302,9 @@ busattach(parent, child, args, bustype)
* XXX: We also assume that 4/[23]00 obio addresses * XXX: We also assume that 4/[23]00 obio addresses
* must be 0xZYYYYYYY, where (Z != 0) * must be 0xZYYYYYYY, where (Z != 0)
*/ */
if (cpumod==SUN4_100 && (cf->cf_loc[0] & 0xf0000000)) if (cpumod == SUN4_100 && (cf->cf_loc[0] & 0xf0000000))
return 0; return 0;
if (cpumod!=SUN4_100 && !(cf->cf_loc[0] & 0xf0000000)) if (cpumod != SUN4_100 && !(cf->cf_loc[0] & 0xf0000000))
return 0; return 0;
} }
@ -188,28 +342,30 @@ busattach(parent, child, args, bustype)
return 0; return 0;
/* /*
* check if XXmatch routine replaced the temporary mapping with * check if XXmatch routine replaced the temporary mapping with
* a real mapping. If not, then make sure we don't pass the * a real mapping. If not, then make sure we don't pass the
* tmp mapping to the attach routine. * tmp mapping to the attach routine.
*/ */
if (oca.ca_ra.ra_vaddr == tmp) if (oca.ca_ra.ra_vaddr == tmp)
oca.ca_ra.ra_vaddr = NULL; /* wipe out tmp address */ oca.ca_ra.ra_vaddr = NULL; /* wipe out tmp address */
/* /*
* the match routine will set "ra_len" if it wants us to * the match routine will set "ra_len" if it wants us to
* establish a mapping for it. * establish a mapping for it.
* (which won't be seen on future XXmatch calls, * (which won't be seen on future XXmatch calls,
* so not as useful as it seems.) * so not as useful as it seems.)
*/ */
if (oca.ca_ra.ra_len) if (oca.ca_ra.ra_len)
oca.ca_ra.ra_vaddr = oca.ca_ra.ra_vaddr =
bus_map(oca.ca_ra.ra_reg, bus_map(oca.ca_ra.ra_reg,
oca.ca_ra.ra_len, oca.ca_bustype); oca.ca_ra.ra_len, oca.ca_bustype);
config_attach(parent, cf, &oca, busprint); config_attach(parent, cf, &oca, busprint);
return 1; return 1;
#else
return 0;
#endif
} }
#if defined(SUN4)
int int
obio_scan(parent, child, args) obio_scan(parent, child, args)
struct device *parent; struct device *parent;
@ -217,29 +373,6 @@ obio_scan(parent, child, args)
{ {
return busattach(parent, child, args, BUS_OBIO); return busattach(parent, child, args, BUS_OBIO);
} }
#endif
void
obioattach(parent, self, args)
struct device *parent, *self;
void *args;
{
#if defined(SUN4)
if (cputyp == CPU_SUN4) {
if (self->dv_unit > 0) {
printf(" unsupported\n");
return;
}
printf("\n");
(void)config_search(obio_scan, self, args);
bus_untmp();
}
#endif
}
#if defined(SUN4)
struct intrhand **vmeints;
int int
vmes_scan(parent, child, args) vmes_scan(parent, child, args)
@ -249,26 +382,6 @@ vmes_scan(parent, child, args)
return busattach(parent, child, args, BUS_VME16); return busattach(parent, child, args, BUS_VME16);
} }
void
vmesattach(parent, self, args)
struct device *parent, *self;
void *args;
{
if (self->dv_unit > 0) {
printf(" unsupported\n");
return;
}
printf("\n");
if (vmeints == NULL) {
vmeints = (struct intrhand **)malloc(256 *
sizeof(struct intrhand *), M_TEMP, M_NOWAIT);
bzero(vmeints, 256 * sizeof(struct intrhand *));
}
(void)config_search(vmes_scan, self, args);
bus_untmp();
}
int int
vmel_scan(parent, child, args) vmel_scan(parent, child, args)
struct device *parent; struct device *parent;
@ -277,26 +390,6 @@ vmel_scan(parent, child, args)
return busattach(parent, child, args, BUS_VME32); return busattach(parent, child, args, BUS_VME32);
} }
void
vmelattach(parent, self, args)
struct device *parent, *self;
void *args;
{
if (self->dv_unit > 0) {
printf(" unsupported\n");
return;
}
printf("\n");
if (vmeints == NULL) {
vmeints = (struct intrhand **)malloc(256 *
sizeof(struct intrhand *), M_TEMP, M_NOWAIT);
bzero(vmeints, 256 * sizeof(struct intrhand *));
}
(void)config_search(vmel_scan, self, args);
bus_untmp();
}
int pil_to_vme[] = { int pil_to_vme[] = {
-1, /* pil 0 */ -1, /* pil 0 */
-1, /* pil 1 */ -1, /* pil 1 */
@ -324,6 +417,12 @@ vmeintr(arg)
struct intrhand *ih; struct intrhand *ih;
int i = 0; int i = 0;
#ifdef DIAGNOSTIC
if (!CPU_ISSUN4) {
panic("vme: spurious interrupt");
}
#endif
vec = ldcontrolb((caddr_t) vec = ldcontrolb((caddr_t)
(AC_VMEINTVEC | (pil_to_vme[level] << 1) | 1)); (AC_VMEINTVEC | (pil_to_vme[level] << 1) | 1));
if (vec == -1) { if (vec == -1) {
@ -341,9 +440,14 @@ void
vmeintr_establish(vec, level, ih) vmeintr_establish(vec, level, ih)
int vec, level; int vec, level;
struct intrhand *ih; struct intrhand *ih;
{ {
struct intrhand *ihs; struct intrhand *ihs;
if (!CPU_ISSUN4) {
panic("vmeintr_establish: not supported on cpu-type %d",
cputyp);
}
if (vec == -1) if (vec == -1)
panic("vmeintr_establish: uninitialized vec\n"); panic("vmeintr_establish: uninitialized vec\n");
@ -420,8 +524,8 @@ bus_tmp(pa, bustype)
int pmtype = bt2pmt[bustype]; int pmtype = bt2pmt[bustype];
pmap_enter(pmap_kernel(), TMPMAP_VA, pmap_enter(pmap_kernel(), TMPMAP_VA,
addr | pmtype | PMAP_NC, addr | pmtype | PMAP_NC,
VM_PROT_READ | VM_PROT_WRITE, 1); VM_PROT_READ | VM_PROT_WRITE, 1);
return ((void *)(TMPMAP_VA | ((u_long) pa & PGOFSET)) ); return ((void *)(TMPMAP_VA | ((u_long) pa & PGOFSET)) );
} }
@ -430,4 +534,3 @@ bus_untmp()
{ {
pmap_remove(pmap_kernel(), TMPMAP_VA, TMPMAP_VA+NBPG); pmap_remove(pmap_kernel(), TMPMAP_VA, TMPMAP_VA+NBPG);
} }
#endif