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Add obio attachment for things like rtcs, com, and flash.

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This commit is contained in:
matt 2003-03-16 07:03:30 +00:00
parent 5504cc0c26
commit 7f87f176b2
1 changed files with 173 additions and 0 deletions
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sys/dev/marvell/obio.c Normal file
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/* $NetBSD: obio.c,v 1.1 2003/03/16 07:03:30 matt Exp $ */
/*
* Copyright (c) 2002 Allegro Networks, Inc., Wasabi Systems, Inc.
* 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 for the NetBSD Project by
* Allegro Networks, Inc., and Wasabi Systems, Inc.
* 4. The name of Allegro Networks, Inc. may not be used to endorse
* or promote products derived from this software without specific prior
* written permission.
* 5. The name of Wasabi Systems, Inc. may not be used to endorse
* or promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY ALLEGRO NETWORKS, INC. AND
* WASABI SYSTEMS, INC. ``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 EITHER ALLEGRO NETWORKS, INC. OR WASABI SYSTEMS, INC.
* 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.
*/
/*
* gt.c -- GT system controller driver
*/
#include "opt_marvell.h"
#include <sys/param.h>
#include <sys/types.h>
#include <sys/cdefs.h>
#include <sys/extent.h>
#include <sys/device.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
#define _BUS_SPACE_PRIVATE
#define _BUS_DMA_PRIVATE
#include <machine/bus.h>
#include <powerpc/spr.h>
#include <powerpc/oea/hid.h>
#include <dev/pci/pcivar.h>
#include <dev/marvell/gtreg.h>
#include <dev/marvell/gtvar.h>
#ifdef DEBUG
#include <sys/systm.h> /* for Debugger() */
#endif
static int obio_cfprint(void *, const char *);
static int obio_cfmatch(struct device *, struct cfdata *, void *);
static int obio_cfsearch(struct device *, struct cfdata *, void *);
static void obio_cfattach(struct device *, struct device *, void *);
struct obio_softc {
struct device sc_dev;
bus_space_tag_t sc_memt;
bus_space_tag_t sc_gt_memt;
bus_space_tag_t sc_gt_memh;
};
CFATTACH_DECL(obio, sizeof(struct obio_softc),
obio_cfmatch, obio_cfattach, NULL, NULL);
extern struct cfdriver obio_cd;
static const struct {
bus_addr_t low_decode;
bus_addr_t high_decode;
} obio_info[5] = {
{ GT_CS0_Low_Decode, GT_CS0_High_Decode, },
{ GT_CS1_Low_Decode, GT_CS1_High_Decode, },
{ GT_CS2_Low_Decode, GT_CS2_High_Decode, },
{ GT_CS3_Low_Decode, GT_CS3_High_Decode, },
{ GT_BootCS_Low_Decode, GT_BootCS_High_Decode, },
};
extern bus_space_tag_t obio_bs_tags[5];
int
obio_cfprint(void *aux, const char *pnp)
{
struct obio_attach_args *oa = aux;
if (pnp) {
aprint_normal("%s at %s", oa->oa_name, pnp);
}
aprint_normal(" offset %#x size %#x irq %d",
oa->oa_offset, oa->oa_size, oa->oa_irq);
return (UNCONF);
}
int
obio_cfsearch(struct device *parent, struct cfdata *cf, void *aux)
{
struct obio_softc *sc = (struct obio_softc *) parent;
struct obio_attach_args oa;
oa.oa_name = cf->cf_name;
oa.oa_memt = sc->sc_memt;
oa.oa_offset = cf->obiocf_offset;
oa.oa_size = cf->obiocf_size;
oa.oa_irq = cf->obiocf_irq;
if (config_match(parent, cf, &oa) > 0)
config_attach(parent, cf, &oa, obio_cfprint);
return (0);
}
int
obio_cfmatch(struct device *parent, struct cfdata *cf, void *aux)
{
struct gt_softc * const gt = (struct gt_softc *)parent;
struct gt_attach_args * const ga = aux;
return GT_OBIOOK(gt, ga, &obio_cd);
}
void
obio_cfattach(struct device *parent, struct device *self, void *aux)
{
struct gt_softc * const gt = (struct gt_softc *)parent;
struct obio_softc *sc = (struct obio_softc *)self;
struct gt_attach_args *ga = aux;
uint32_t datal, datah;
GT_OBIOFOUND(gt, ga);
datal = bus_space_read_4(ga->ga_memt, ga->ga_memh,
obio_info[ga->ga_unit].low_decode);
datah = bus_space_read_4(ga->ga_memt, ga->ga_memh,
obio_info[ga->ga_unit].high_decode);
if (GT_LowAddr_GET(datal) > GT_HighAddr_GET(datah)) {
aprint_normal(": disabled\n");
return;
}
sc->sc_memt = obio_bs_tags[ga->ga_unit];
if (sc->sc_memt == NULL) {
aprint_normal(": unused\n");
return;
}
aprint_normal(": addr %#x-%#x, %s-endian\n",
GT_LowAddr_GET(datal), GT_HighAddr_GET(datah),
GT_PCISwap_GET(datal) == 1 ? "little" : "big");
config_search(obio_cfsearch, &sc->sc_dev, NULL);
}