/*      $NetBSD: vtpbc_mainbus.c,v 1.21 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: vtpbc_mainbus.c,v 1.21 2021/08/07 16:18:40 thorpej Exp $");

#include "opt_algor_p4032.h"
#include "opt_algor_p5064.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 <algor/pci/vtpbcvar.h>

#ifdef ALGOR_P4032
#include <algor/algor/algor_p4032var.h>
#endif

#ifdef ALGOR_P5064
#include <algor/algor/algor_p5064var.h>
#endif

struct vtpbc_softc {
       struct vtpbc_config *sc_vtpbc;
};

int     vtpbc_mainbus_match(device_t, cfdata_t, void *);
void    vtpbc_mainbus_attach(device_t, device_t, void *);

CFATTACH_DECL_NEW(vtpbc_mainbus, sizeof(struct vtpbc_softc),
   vtpbc_mainbus_match, vtpbc_mainbus_attach, NULL, NULL);
extern struct cfdriver vtpbc_cd;

int
vtpbc_mainbus_match(device_t parent, cfdata_t cf, void *aux)
{
       struct mainbus_attach_args *ma = aux;

       if (strcmp(ma->ma_name, vtpbc_cd.cd_name) == 0)
               return (1);

       return (0);
}

void
vtpbc_mainbus_attach(device_t parent, device_t self, void *aux)
{
       struct vtpbc_softc *sc = device_private(self);
       struct pcibus_attach_args pba;
       struct vtpbc_config *vt;

       /*
        * There is only one PCI controller on an Algorithmics board.
        */
       vt = &vtpbc_configuration;
       sc->sc_vtpbc = vt;

       if (vt->vt_rev < vtpbc_nrevs)
               printf(": V3 V962, revision %s\n", vtpbc_revs[vt->vt_rev]);
       else
               printf(": V3 V962, unknown revision %d\n", vt->vt_rev);

       printf("%s: PCI memory space base: 0x%08lx\n", device_xname(self),
           (u_long) vt->vt_pci_membase);
       printf("%s: PCI DMA window base: 0x%08lx\n", device_xname(self),
           (u_long) vt->vt_dma_winbase);

       pba.pba_flags = PCI_FLAGS_IO_OKAY | PCI_FLAGS_MEM_OKAY;
       pba.pba_bus = 0;
       pba.pba_bridgetag = NULL;

       if (vt->vt_pci_iobase == (bus_addr_t) -1)
               pba.pba_flags &= ~PCI_FLAGS_IO_OKAY;

#if defined(ALGOR_P4032)
           {
               struct p4032_config *acp = &p4032_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;
           }
#elif defined(ALGOR_P5064)
           {
               struct p5064_config *acp = &p5064_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_P4032 || ALGOR_P5064 */

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