/*      $NetBSD: bonito_mainbus.c,v 1.19 2021/08/07 16:18:40 thorpej 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.
*
* 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 1.19 2021/08/07 16:18:40 thorpej Exp $");

#include "opt_algor_p6032.h"

#include <sys/param.h>
#include <sys/bus.h>
#include <sys/conf.h>
#include <sys/device.h>
#include <sys/reboot.h>
#include <sys/systm.h>

#include <algor/autoconf.h>

#include <mips/cpuregs.h>
#include <mips/bonito/bonitoreg.h>

#ifdef ALGOR_P6032
#include <algor/algor/algor_p6032var.h>
#endif

struct bonito_softc {
       struct bonito_config *sc_bonito;
};

int     bonito_mainbus_match(device_t, cfdata_t, void *);
void    bonito_mainbus_attach(device_t, device_t, void *);

CFATTACH_DECL_NEW(bonito_mainbus, sizeof(struct bonito_softc),
   bonito_mainbus_match, bonito_mainbus_attach, NULL, NULL);
extern struct cfdriver bonito_cd;

int
bonito_mainbus_match(device_t parent, cfdata_t 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(device_t parent, device_t self, void *aux)
{
       struct bonito_softc *sc = device_private(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;
#else
       /* I guess... XXX? */
       bc = NULL;
#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_flags = PCI_FLAGS_IO_OKAY | PCI_FLAGS_MEM_OKAY;
       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 */

       config_found(self, &pba, pcibusprint, CFARGS_NONE);
}