Handle sun4m `obio' devices.
Cleanup `#if defined(SUN4*)' mess.
This commit is contained in:
pk
parent
96f175d477
commit
25aa56ae29
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@ -1,7 +1,8 @@
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/* $NetBSD: obio.c,v 1.21 1996/03/17 02:01:12 thorpej Exp $ */
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/* $NetBSD: obio.c,v 1.22 1996/03/31 22:28:38 pk Exp $ */
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/*
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* Copyright (c) 1993, 1994 Theo de Raadt
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* Copyright (c) 1995 Paul Kranenburg
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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@ -49,26 +50,29 @@
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#include <machine/ctlreg.h>
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#include <sparc/sparc/asm.h>
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#include <sparc/sparc/vaddrs.h>
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#include <sparc/dev/sbusvar.h>
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struct bus_softc {
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struct device sc_dev; /* base device */
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int nothing;
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union {
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struct device scu_dev; /* base device */
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struct sbus_softc scu_sbus; /* obio is another sbus slot */
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} bu;
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#define sc_dev bu.scu_dev
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};
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/* autoconfiguration driver */
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static int busmatch __P((struct device *, void *, void *));
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static void obioattach __P((struct device *, struct device *, void *));
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int busprint __P((void *, char *));
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#if defined(SUN4)
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static void vmesattach __P((struct device *, struct device *, void *));
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static void vmelattach __P((struct device *, struct device *, void *));
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int busprint __P((void *, char *));
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static int busattach __P((struct device *, void *, void *, int));
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void * bus_map __P((struct rom_reg *, int, int));
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int obio_scan __P((struct device *, void *, void *));
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int vmes_scan __P((struct device *, void *, void *));
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int vmel_scan __P((struct device *, void *, void *));
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int vmeintr __P((void *));
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#endif
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struct cfattach obio_ca = {
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sizeof(struct bus_softc), busmatch, obioattach
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@ -78,7 +82,6 @@ struct cfdriver obio_cd = {
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NULL, "obio", DV_DULL
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};
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#if defined(SUN4)
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struct cfattach vmel_ca = {
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sizeof(struct bus_softc), busmatch, vmelattach
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};
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@ -94,7 +97,8 @@ struct cfattach vmes_ca = {
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struct cfdriver vmes_cd = {
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NULL, "vmes", DV_DULL
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};
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#endif
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struct intrhand **vmeints;
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int
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@ -106,8 +110,12 @@ busmatch(parent, vcf, aux)
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register struct confargs *ca = aux;
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register struct romaux *ra = &ca->ca_ra;
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if (cputyp != CPU_SUN4)
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if (CPU_ISSUN4M)
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return (strcmp(cf->cf_driver->cd_name, ra->ra_name) == 0);
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if (!CPU_ISSUN4)
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return (0);
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return (strcmp(cf->cf_driver->cd_name, ra->ra_name) == 0);
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}
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@ -120,27 +128,173 @@ busprint(args, obio)
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if (ca->ca_ra.ra_name == NULL)
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ca->ca_ra.ra_name = "<unknown>";
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if (obio)
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printf("[%s at %s]", ca->ca_ra.ra_name, obio);
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printf(" addr %p", ca->ca_ra.ra_paddr);
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if (ca->ca_ra.ra_intr[0].int_vec != -1)
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if (CPU_ISSUN4 && ca->ca_ra.ra_intr[0].int_vec != -1)
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printf(" vec 0x%x", ca->ca_ra.ra_intr[0].int_vec);
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return (UNCONF);
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}
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void
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obioattach(parent, self, args)
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struct device *parent, *self;
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void *args;
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{
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#if defined(SUN4M)
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register struct bus_softc *sc = (struct bus_softc *)self;
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struct confargs oca, *ca = args;
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register struct romaux *ra = &ca->ca_ra;
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register int node0, node;
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register char *name;
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register const char *sp;
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const char *const *ssp;
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extern int autoconf_nzs;
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static const char *const special4m[] = {
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/* find these first */
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"eeprom",
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"counter",
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"auxio",
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"",
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/* place device to ignore here */
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"interrupt",
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NULL
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};
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#endif
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if (CPU_ISSUN4) {
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if (self->dv_unit > 0) {
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printf(" unsupported\n");
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return;
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}
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printf("\n");
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(void)config_search(obio_scan, self, args);
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bus_untmp();
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}
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#if defined(SUN4M)
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if (!CPU_ISSUN4M)
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return;
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/*
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* There is only one obio bus (it is in fact one of the Sbus slots)
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* How about VME?
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*/
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if (sc->sc_dev.dv_unit > 0) {
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printf(" unsupported\n");
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return;
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}
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printf("\n");
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if (ra->ra_bp != NULL && strcmp(ra->ra_bp->name, "obio") == 0)
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oca.ca_ra.ra_bp = ra->ra_bp + 1;
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else
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oca.ca_ra.ra_bp = NULL;
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sc->bu.scu_sbus.sc_range = ra->ra_range;
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sc->bu.scu_sbus.sc_nrange = ra->ra_nrange;
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/*
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* Loop through ROM children, fixing any relative addresses
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* and then configuring each device.
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* We first do the crucial ones, such as eeprom, etc.
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*/
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node0 = firstchild(ra->ra_node);
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for (ssp = special4m ; *(sp = *ssp) != 0; ssp++) {
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if ((node = findnode(node0, sp)) == 0) {
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printf("could not find %s amongst obio devices\n", sp);
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panic(sp);
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}
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if (!romprop(&oca.ca_ra, sp, node))
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continue;
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sbus_translate(self, &oca);
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oca.ca_bustype = BUS_OBIO;
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(void) config_found(&sc->sc_dev, (void *)&oca, busprint);
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}
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for (node = node0; node; node = nextsibling(node)) {
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name = getpropstring(node, "name");
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for (ssp = special4m ; (sp = *ssp) != NULL; ssp++)
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if (strcmp(name, sp) == 0)
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break;
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if (sp != NULL || !romprop(&oca.ca_ra, name, node))
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continue;
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if (strcmp(name, "zs") == 0)
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/* XXX - see autoconf.c for this hack */
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autoconf_nzs++;
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/* Translate into parent address spaces */
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sbus_translate(self, &oca);
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oca.ca_bustype = BUS_OBIO;
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(void) config_found(&sc->sc_dev, (void *)&oca, busprint);
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}
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#endif
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}
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void
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vmesattach(parent, self, args)
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struct device *parent, *self;
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void *args;
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{
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if (CPU_ISSUN4M || self->dv_unit > 0) {
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printf(" unsupported\n");
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return;
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}
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printf("\n");
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if (vmeints == NULL) {
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vmeints = (struct intrhand **)malloc(256 *
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sizeof(struct intrhand *), M_TEMP, M_NOWAIT);
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bzero(vmeints, 256 * sizeof(struct intrhand *));
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}
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(void)config_search(vmes_scan, self, args);
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bus_untmp();
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}
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void
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vmelattach(parent, self, args)
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struct device *parent, *self;
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void *args;
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{
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if (CPU_ISSUN4M || self->dv_unit > 0) {
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printf(" unsupported\n");
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return;
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}
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printf("\n");
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if (vmeints == NULL) {
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vmeints = (struct intrhand **)malloc(256 *
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sizeof(struct intrhand *), M_TEMP, M_NOWAIT);
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bzero(vmeints, 256 * sizeof(struct intrhand *));
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}
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(void)config_search(vmel_scan, self, args);
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bus_untmp();
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}
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int
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busattach(parent, child, args, bustype)
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struct device *parent;
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void *args, *child;
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int bustype;
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{
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#if defined(SUN4)
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struct cfdata *cf = child;
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register struct confargs *ca = args;
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struct confargs oca;
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caddr_t tmp;
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if (bustype == BUS_OBIO && cputyp == CPU_SUN4) {
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if (bustype == BUS_OBIO && CPU_ISSUN4) {
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/*
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* On the 4/100 obio addresses must be mapped at
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* 0x0YYYYYYY, but alias higher up (we avoid the
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@ -148,9 +302,9 @@ busattach(parent, child, args, bustype)
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* XXX: We also assume that 4/[23]00 obio addresses
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* must be 0xZYYYYYYY, where (Z != 0)
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*/
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if (cpumod==SUN4_100 && (cf->cf_loc[0] & 0xf0000000))
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if (cpumod == SUN4_100 && (cf->cf_loc[0] & 0xf0000000))
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return 0;
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if (cpumod!=SUN4_100 && !(cf->cf_loc[0] & 0xf0000000))
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if (cpumod != SUN4_100 && !(cf->cf_loc[0] & 0xf0000000))
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return 0;
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}
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@ -188,28 +342,30 @@ busattach(parent, child, args, bustype)
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return 0;
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/*
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* check if XXmatch routine replaced the temporary mapping with
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* check if XXmatch routine replaced the temporary mapping with
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* a real mapping. If not, then make sure we don't pass the
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* tmp mapping to the attach routine.
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*/
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if (oca.ca_ra.ra_vaddr == tmp)
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oca.ca_ra.ra_vaddr = NULL; /* wipe out tmp address */
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/*
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* the match routine will set "ra_len" if it wants us to
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* the match routine will set "ra_len" if it wants us to
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* establish a mapping for it.
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* (which won't be seen on future XXmatch calls,
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* so not as useful as it seems.)
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*/
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if (oca.ca_ra.ra_len)
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if (oca.ca_ra.ra_len)
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oca.ca_ra.ra_vaddr =
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bus_map(oca.ca_ra.ra_reg,
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oca.ca_ra.ra_len, oca.ca_bustype);
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config_attach(parent, cf, &oca, busprint);
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return 1;
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#else
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return 0;
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#endif
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}
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#if defined(SUN4)
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int
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obio_scan(parent, child, args)
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struct device *parent;
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@ -217,29 +373,6 @@ obio_scan(parent, child, args)
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{
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return busattach(parent, child, args, BUS_OBIO);
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}
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#endif
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void
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obioattach(parent, self, args)
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struct device *parent, *self;
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void *args;
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{
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#if defined(SUN4)
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if (cputyp == CPU_SUN4) {
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if (self->dv_unit > 0) {
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printf(" unsupported\n");
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return;
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}
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printf("\n");
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(void)config_search(obio_scan, self, args);
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bus_untmp();
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}
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#endif
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}
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#if defined(SUN4)
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struct intrhand **vmeints;
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int
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vmes_scan(parent, child, args)
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@ -249,26 +382,6 @@ vmes_scan(parent, child, args)
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return busattach(parent, child, args, BUS_VME16);
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}
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void
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vmesattach(parent, self, args)
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struct device *parent, *self;
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void *args;
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{
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if (self->dv_unit > 0) {
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printf(" unsupported\n");
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return;
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}
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printf("\n");
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if (vmeints == NULL) {
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vmeints = (struct intrhand **)malloc(256 *
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sizeof(struct intrhand *), M_TEMP, M_NOWAIT);
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bzero(vmeints, 256 * sizeof(struct intrhand *));
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}
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(void)config_search(vmes_scan, self, args);
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bus_untmp();
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}
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int
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vmel_scan(parent, child, args)
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struct device *parent;
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@ -277,26 +390,6 @@ vmel_scan(parent, child, args)
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return busattach(parent, child, args, BUS_VME32);
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}
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void
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vmelattach(parent, self, args)
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struct device *parent, *self;
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void *args;
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{
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if (self->dv_unit > 0) {
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printf(" unsupported\n");
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return;
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}
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printf("\n");
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if (vmeints == NULL) {
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vmeints = (struct intrhand **)malloc(256 *
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sizeof(struct intrhand *), M_TEMP, M_NOWAIT);
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bzero(vmeints, 256 * sizeof(struct intrhand *));
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}
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(void)config_search(vmel_scan, self, args);
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bus_untmp();
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}
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int pil_to_vme[] = {
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-1, /* pil 0 */
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-1, /* pil 1 */
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@ -324,6 +417,12 @@ vmeintr(arg)
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struct intrhand *ih;
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int i = 0;
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#ifdef DIAGNOSTIC
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if (!CPU_ISSUN4) {
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panic("vme: spurious interrupt");
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}
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#endif
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vec = ldcontrolb((caddr_t)
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(AC_VMEINTVEC | (pil_to_vme[level] << 1) | 1));
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if (vec == -1) {
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@ -341,9 +440,14 @@ void
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vmeintr_establish(vec, level, ih)
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int vec, level;
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struct intrhand *ih;
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{
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{
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struct intrhand *ihs;
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if (!CPU_ISSUN4) {
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panic("vmeintr_establish: not supported on cpu-type %d",
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cputyp);
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}
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if (vec == -1)
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panic("vmeintr_establish: uninitialized vec\n");
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@ -420,8 +524,8 @@ bus_tmp(pa, bustype)
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int pmtype = bt2pmt[bustype];
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pmap_enter(pmap_kernel(), TMPMAP_VA,
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addr | pmtype | PMAP_NC,
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VM_PROT_READ | VM_PROT_WRITE, 1);
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addr | pmtype | PMAP_NC,
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VM_PROT_READ | VM_PROT_WRITE, 1);
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return ((void *)(TMPMAP_VA | ((u_long) pa & PGOFSET)) );
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}
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@ -430,4 +534,3 @@ bus_untmp()
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{
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pmap_remove(pmap_kernel(), TMPMAP_VA, TMPMAP_VA+NBPG);
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}
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#endif
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