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NetBSD/sys/arch/hp700/gsc/gscbus.c

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/* $NetBSD: gscbus.c,v 1.1 2002/06/06 19:48:05 fredette Exp $ */
/* $OpenBSD: gscbus.c,v 1.13 2001/08/01 20:32:04 miod Exp $ */
/*
* Copyright (c) 1998 Michael Shalayeff
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Michael Shalayeff.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Sample IO layouts:
* 712:
*
* f0100000 -- lasi0
* f0102000 -- lpt0
* f0104000 -- audio0
* f0105000 -- com0
* f0106000 -- siop0
* f0107000 -- ie0
* f0108000 -- kbd0
* f0108100 -- pms0
* f010a000 -- fdc0
* f010c000 -- *lasi0
* f0200000 -- wax0
* f8000000 -- sti0
* fffbe000 -- cpu0
* fffbf000 -- mem0
*
* 725/50:
*
* f0820000 -- dma
* f0821000 -- hil
* f0822000 -- com1
* f0823000 -- com0
* f0824000 -- lpt0
* f0825000 -- siop0
* f0826000 -- ie0
* f0827000 -- dma reset
* f0828000 -- timers
* f0829000 -- domain kbd
* f082f000 -- asp0
* f1000000 -- audio0
* fc000000 -- eisa0
* fffbe000 -- cpu0
* fffbf000 -- mem0
*
*/
#define GSCDEBUG
#include "opt_kgdb.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/malloc.h>
#include <sys/user.h>
#include <sys/mbuf.h>
#include <sys/reboot.h>
#ifdef KGDB
#include <sys/kgdb.h>
#include "com.h"
#endif
#include <machine/iomod.h>
#include <machine/autoconf.h>
#include <machine/cpufunc.h>
#include <hp700/gsc/gscbusvar.h>
#include <hp700/hp700/machdep.h>
int gscmatch __P((struct device *, struct cfdata *, void *));
void gscattach __P((struct device *, struct device *, void *));
struct cfattach gsc_ca = {
sizeof(struct gsc_softc), gscmatch, gscattach
};
int gsc_dmamap_create __P((void *, bus_size_t, int,
bus_size_t, bus_size_t, int, bus_dmamap_t *));
void gsc_dmamap_destroy __P((void *, bus_dmamap_t));
int gsc_dmamap_load __P((void *, bus_dmamap_t, void *,
bus_size_t, struct proc *, int));
int gsc_dmamap_load_mbuf __P((void *, bus_dmamap_t, struct mbuf *, int));
int gsc_dmamap_load_uio __P((void *, bus_dmamap_t, struct uio *, int));
int gsc_dmamap_load_raw __P((void *, bus_dmamap_t,
bus_dma_segment_t *, int, bus_size_t, int));
void gsc_dmamap_unload __P((void *, bus_dmamap_t));
void gsc_dmamap_sync __P((void *, bus_dmamap_t, bus_addr_t, bus_size_t, bus_dmasync_op_t));
int gsc_dmamem_alloc __P((void *, bus_size_t, bus_size_t,
bus_size_t, bus_dma_segment_t *, int, int *, int));
void gsc_dmamem_free __P((void *, bus_dma_segment_t *, int));
int gsc_dmamem_map __P((void *, bus_dma_segment_t *,
int, size_t, caddr_t *, int));
void gsc_dmamem_unmap __P((void *, caddr_t, size_t));
paddr_t gsc_dmamem_mmap __P((void *, bus_dma_segment_t *, int, off_t, int, int));
int
gscmatch(parent, cf, aux)
struct device *parent;
struct cfdata *cf;
void *aux;
{
struct confargs *ca = aux;
return !strcmp(ca->ca_name, "gsc");
}
void
gscattach(parent, self, aux)
struct device *parent;
struct device *self;
void *aux;
{
register struct gsc_softc *sc = (struct gsc_softc *)self;
register struct gsc_attach_args *ga = aux;
sc->sc_iot = ga->ga_iot;
sc->sc_ic = ga->ga_ic;
sc->sc_intrmask = 0;
bzero(sc->sc_intrvs, sizeof(sc->sc_intrvs));
if (machine_ledaddr)
printf(": %sleds", machine_ledword? "word" : "");
printf ("\n");
/* Add the I/O subsystem's interrupt register. */
sc->sc_ic->gsc_int_reg.int_reg_dev = parent->dv_xname;
sc->sc_ih = hp700_intr_establish(&sc->sc_dev, IPL_NONE,
NULL, &sc->sc_ic->gsc_int_reg,
&int_reg_cpu, ga->ga_irq);
/* DMA guts */
sc->sc_dmatag._cookie = sc;
sc->sc_dmatag._dmamap_create = gsc_dmamap_create;
sc->sc_dmatag._dmamap_destroy = gsc_dmamap_destroy;
sc->sc_dmatag._dmamap_load = gsc_dmamap_load;
sc->sc_dmatag._dmamap_load_mbuf = gsc_dmamap_load_mbuf;
sc->sc_dmatag._dmamap_load_uio = gsc_dmamap_load_uio;
sc->sc_dmatag._dmamap_load_raw = gsc_dmamap_load_raw;
sc->sc_dmatag._dmamap_unload = gsc_dmamap_unload;
sc->sc_dmatag._dmamap_sync = gsc_dmamap_sync;
sc->sc_dmatag._dmamem_alloc = gsc_dmamem_alloc;
sc->sc_dmatag._dmamem_free = gsc_dmamem_free;
sc->sc_dmatag._dmamem_map = gsc_dmamem_map;
sc->sc_dmatag._dmamem_unmap = gsc_dmamem_unmap;
sc->sc_dmatag._dmamem_mmap = gsc_dmamem_mmap;
#ifdef KGDB
#if NCOM > 0
if(!strcmp(KGDB_DEVNAME, "com")) {
int com_gsc_kgdb_attach __P((void));
if (com_gsc_kgdb_attach() == 0) {
if (boothowto & RB_KDB) {
kgdb_connect(1);
}
}
}
#endif
#endif
pdc_scanbus(self, &ga->ga_ca, ga->ga_mod, MAXMODBUS);
}
int
gscprint(aux, pnp)
void *aux;
const char *pnp;
{
return (UNCONF);
}
void *
gsc_intr_establish(sc, pri, irq, handler, arg, dv)
struct gsc_softc *sc;
int pri;
int irq;
int (*handler) __P((void *v));
void *arg;
struct device *dv;
{
return (hp700_intr_establish(dv, pri, handler, arg,
&sc->sc_ic->gsc_int_reg, irq));
}
void
gsc_intr_disestablish(sc, v)
struct gsc_softc *sc;
void *v;
{
panic("gsc_intr_disestablish: unimplemented");
}
int
gsc_dmamap_create(v, size, nseg, maxsegsz, boundary, flags, dmamp)
void *v;
bus_size_t size;
int nseg;
bus_size_t maxsegsz;
bus_size_t boundary;
int flags;
bus_dmamap_t *dmamp;
{
return 0;
}
void
gsc_dmamap_destroy(v, map)
void *v;
bus_dmamap_t map;
{
}
int
gsc_dmamap_load(v, map, buf, buflen, p, flags)
void *v;
bus_dmamap_t map;
void *buf;
bus_size_t buflen;
struct proc *p;
int flags;
{
return 0;
}
int
gsc_dmamap_load_mbuf(v, map, mbuf, flags)
void *v;
bus_dmamap_t map;
struct mbuf *mbuf;
int flags;
{
return 0;
}
int
gsc_dmamap_load_uio(v, map, uio, flags)
void *v;
bus_dmamap_t map;
struct uio *uio;
int flags;
{
return 0;
}
int
gsc_dmamap_load_raw(v, map, segs, nsegs, size, flags)
void *v;
bus_dmamap_t map;
bus_dma_segment_t *segs;
int nsegs;
bus_size_t size;
int flags;
{
return 0;
}
void
gsc_dmamap_unload(v, map)
void *v;
bus_dmamap_t map;
{
}
void
gsc_dmamap_sync(v, map, addr, size, op)
void *v;
bus_dmamap_t map;
bus_addr_t addr;
bus_size_t size;
bus_dmasync_op_t op;
{
}
int
gsc_dmamem_alloc(v, size, alignment, boundary, segs, nsegs, rsegs, flags)
void *v;
bus_size_t size;
bus_size_t alignment;
bus_size_t boundary;
bus_dma_segment_t *segs;
int nsegs;
int *rsegs;
int flags;
{
return 0;
}
void
gsc_dmamem_free(v, segs, nsegs)
void *v;
bus_dma_segment_t *segs;
int nsegs;
{
}
int
gsc_dmamem_map(v, segs, nsegs, size, kvap, flags)
void *v;
bus_dma_segment_t *segs;
int nsegs;
size_t size;
caddr_t *kvap;
int flags;
{
return 0;
}
void
gsc_dmamem_unmap(v, kva, size)
void *v;
caddr_t kva;
size_t size;
{
}
paddr_t
gsc_dmamem_mmap(v, segs, nsegs, off, prot, flags)
void *v;
bus_dma_segment_t *segs;
int nsegs;
off_t off;
int prot;
int flags;
{
return (-1);
}
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