NetBSD/sys/arch/algor/dev/bonito_mainbus.c

138 lines
4.2 KiB
C

/* $NetBSD: bonito_mainbus.c,v 1.8 2003/07/14 22:57:47 lukem Exp $ */
/*-
* Copyright (c) 2001 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe.
*
* 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 the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``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 FOUNDATION OR CONTRIBUTORS
* 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.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: bonito_mainbus.c,v 1.8 2003/07/14 22:57:47 lukem Exp $");
#include "opt_algor_p6032.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/conf.h>
#include <sys/reboot.h>
#include <sys/device.h>
#include <machine/bus.h>
#include <machine/autoconf.h>
#include <mips/bonito/bonitoreg.h>
#ifdef ALGOR_P6032
#include <algor/algor/algor_p6032var.h>
#endif
struct bonito_softc {
struct device sc_dev;
struct bonito_config *sc_bonito;
};
int bonito_mainbus_match(struct device *, struct cfdata *, void *);
void bonito_mainbus_attach(struct device *, struct device *, void *);
CFATTACH_DECL(bonito_mainbus, sizeof(struct bonito_softc),
bonito_mainbus_match, bonito_mainbus_attach, NULL, NULL);
extern struct cfdriver bonito_cd;
int bonito_mainbus_print(void *, const char *);
int
bonito_mainbus_match(struct device *parent, struct cfdata *cf, void *aux)
{
struct mainbus_attach_args *ma = aux;
if (strcmp(ma->ma_name, bonito_cd.cd_name) == 0)
return (1);
return (0);
}
void
bonito_mainbus_attach(struct device *parent, struct device *self, void *aux)
{
struct bonito_softc *sc = (void *) self;
struct pcibus_attach_args pba;
struct bonito_config *bc;
pcireg_t rev;
/*
* There is only one PCI controller on an Algorithmics board.
*/
#if defined(ALGOR_P6032)
bc = &p6032_configuration.ac_bonito;
#endif
sc->sc_bonito = bc;
rev = PCI_REVISION(REGVAL(BONITO_PCICLASS));
printf(": BONITO Memory and PCI controller, %s rev. %d.%d\n",
BONITO_REV_FPGA(rev) ? "FPGA" : "ASIC",
BONITO_REV_MAJOR(rev), BONITO_REV_MINOR(rev));
pba.pba_busname = "pci";
pba.pba_flags = PCI_FLAGS_IO_ENABLED | PCI_FLAGS_MEM_ENABLED;
pba.pba_bus = 0;
pba.pba_bridgetag = NULL;
#if defined(ALGOR_P6032)
{
struct p6032_config *acp = &p6032_configuration;
pba.pba_iot = &acp->ac_iot;
pba.pba_memt = &acp->ac_memt;
pba.pba_dmat = &acp->ac_pci_dmat;
pba.pba_dmat64 = NULL;
pba.pba_pc = &acp->ac_pc;
}
#endif /* ALGOR_P6032 */
(void) config_found(self, &pba, bonito_mainbus_print);
}
int
bonito_mainbus_print(void *aux, const char *pnp)
{
struct pcibus_attach_args *pba = aux;
/* only PCIs can attach to BONITOs; easy. */
if (pnp)
aprint_normal("%s at %s", pba->pba_busname, pnp);
aprint_normal(" bus %d", pba->pba_bus);
return (UNCONF);
}