167 lines
4.3 KiB
C
167 lines
4.3 KiB
C
/* $NetBSD: gscbus.c,v 1.1 2014/02/24 07:23:43 skrll Exp $ */
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/* $OpenBSD: gscbus.c,v 1.13 2001/08/01 20:32:04 miod Exp $ */
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/*
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* Copyright (c) 1998 Michael Shalayeff
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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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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Sample IO layouts:
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* 712:
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*
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* f0100000 -- lasi0
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* f0102000 -- lpt0
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* f0104000 -- audio0
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* f0105000 -- com0
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* f0106000 -- siop0
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* f0107000 -- ie0
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* f0108000 -- kbd0
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* f0108100 -- pms0
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* f010a000 -- fdc0
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* f010c000 -- *lasi0
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* f0200000 -- wax0
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* f8000000 -- sti0
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* fffbe000 -- cpu0
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* fffbf000 -- mem0
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*
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* 725/50:
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*
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* f0820000 -- dma
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* f0821000 -- hil
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* f0822000 -- com1
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* f0823000 -- com0
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* f0824000 -- lpt0
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* f0825000 -- siop0
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* f0826000 -- ie0
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* f0827000 -- dma reset
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* f0828000 -- timers
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* f0829000 -- domain kbd
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* f082f000 -- asp0
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* f1000000 -- audio0
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* fc000000 -- eisa0
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* fffbe000 -- cpu0
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* fffbf000 -- mem0
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*
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: gscbus.c,v 1.1 2014/02/24 07:23:43 skrll Exp $");
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#define GSCDEBUG
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#include "opt_kgdb.h"
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/device.h>
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#include <sys/malloc.h>
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#include <sys/mbuf.h>
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#include <sys/reboot.h>
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#include <machine/iomod.h>
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#include <machine/autoconf.h>
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#include <machine/cpufunc.h>
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#include <hppa/gsc/gscbusvar.h>
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#include <hppa/hppa/machdep.h>
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int gscmatch(device_t, cfdata_t, void *);
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void gscattach(device_t, device_t, void *);
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struct gsc_softc {
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device_t sc_dev;
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struct gsc_attach_args sc_ga;
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void *sc_ih;
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};
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CFATTACH_DECL_NEW(gsc, sizeof(struct gsc_softc),
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gscmatch, gscattach, NULL, NULL);
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/*
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* pdc_scanbus calls this function back with each module
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* it finds on the GSC bus. We call the IC-specific function
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* to fix up the module's attach arguments, then we match
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* and attach it.
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*/
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static device_t gsc_module_callback(device_t, struct confargs *);
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static device_t
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gsc_module_callback(device_t self, struct confargs *ca)
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{
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struct gsc_softc *sc = device_private(self);
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struct gsc_attach_args ga;
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/* Make the GSC attach args. */
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ga = sc->sc_ga;
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ga.ga_ca = *ca;
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ga.ga_iot = sc->sc_ga.ga_iot;
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ga.ga_dmatag = sc->sc_ga.ga_dmatag;
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(*sc->sc_ga.ga_fix_args)(sc->sc_ga.ga_fix_args_cookie, &ga);
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return config_found_sm_loc(self, "gsc", NULL, &ga, mbprint, mbsubmatch);
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}
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int
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gscmatch(device_t parent, cfdata_t cf, void *aux)
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{
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struct gsc_attach_args *ga = aux;
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return !strcmp(ga->ga_name, "gsc");
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}
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void
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gscattach(device_t parent, device_t self, void *aux)
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{
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struct gsc_softc *sc = device_private(self);
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struct gsc_attach_args *ga = aux;
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struct cpu_info *ci = &cpus[0];
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sc->sc_dev = self;
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sc->sc_ga = *ga;
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#ifdef USELEDS
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if (machine_ledaddr)
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aprint_normal(": %sleds", machine_ledword? "word" : "");
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#endif
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aprint_normal("\n");
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/* Add the I/O subsystem's interrupt register. */
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ga->ga_ir->ir_name = device_xname(self);
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sc->sc_ih = hppa_intr_establish(IPL_NONE, NULL, ga->ga_ir,
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&ci->ci_ir, ga->ga_irq);
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ga->ga_ca.ca_nmodules = MAXMODBUS;
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ga->ga_ca.ca_hpabase = 0;
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pdc_scanbus(self, &ga->ga_ca, gsc_module_callback);
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}
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int
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gscprint(void *aux, const char *pnp)
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{
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return (UNCONF);
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}
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