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      1 /*	$NetBSD: vtpbc_mainbus.c,v 1.21 2021/08/07 16:18:40 thorpej Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2001 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Jason R. Thorpe.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/cdefs.h>
     33 __KERNEL_RCSID(0, "$NetBSD: vtpbc_mainbus.c,v 1.21 2021/08/07 16:18:40 thorpej Exp $");
     34 
     35 #include "opt_algor_p4032.h"
     36 #include "opt_algor_p5064.h"
     37 
     38 #include <sys/param.h>
     39 #include <sys/bus.h>
     40 #include <sys/conf.h>
     41 #include <sys/device.h>
     42 #include <sys/reboot.h>
     43 #include <sys/systm.h>
     44 
     45 #include <algor/autoconf.h>
     46 
     47 #include <algor/pci/vtpbcvar.h>
     48 
     49 #ifdef ALGOR_P4032
     50 #include <algor/algor/algor_p4032var.h>
     51 #endif
     52 
     53 #ifdef ALGOR_P5064
     54 #include <algor/algor/algor_p5064var.h>
     55 #endif
     56 
     57 struct vtpbc_softc {
     58 	struct vtpbc_config *sc_vtpbc;
     59 };
     60 
     61 int	vtpbc_mainbus_match(device_t, cfdata_t, void *);
     62 void	vtpbc_mainbus_attach(device_t, device_t, void *);
     63 
     64 CFATTACH_DECL_NEW(vtpbc_mainbus, sizeof(struct vtpbc_softc),
     65     vtpbc_mainbus_match, vtpbc_mainbus_attach, NULL, NULL);
     66 extern struct cfdriver vtpbc_cd;
     67 
     68 int
     69 vtpbc_mainbus_match(device_t parent, cfdata_t cf, void *aux)
     70 {
     71 	struct mainbus_attach_args *ma = aux;
     72 
     73 	if (strcmp(ma->ma_name, vtpbc_cd.cd_name) == 0)
     74 		return (1);
     75 
     76 	return (0);
     77 }
     78 
     79 void
     80 vtpbc_mainbus_attach(device_t parent, device_t self, void *aux)
     81 {
     82 	struct vtpbc_softc *sc = device_private(self);
     83 	struct pcibus_attach_args pba;
     84 	struct vtpbc_config *vt;
     85 
     86 	/*
     87 	 * There is only one PCI controller on an Algorithmics board.
     88 	 */
     89 	vt = &vtpbc_configuration;
     90 	sc->sc_vtpbc = vt;
     91 
     92 	if (vt->vt_rev < vtpbc_nrevs)
     93 		printf(": V3 V962, revision %s\n", vtpbc_revs[vt->vt_rev]);
     94 	else
     95 		printf(": V3 V962, unknown revision %d\n", vt->vt_rev);
     96 
     97 	printf("%s: PCI memory space base: 0x%08lx\n", device_xname(self),
     98 	    (u_long) vt->vt_pci_membase);
     99 	printf("%s: PCI DMA window base: 0x%08lx\n", device_xname(self),
    100 	    (u_long) vt->vt_dma_winbase);
    101 
    102 	pba.pba_flags = PCI_FLAGS_IO_OKAY | PCI_FLAGS_MEM_OKAY;
    103 	pba.pba_bus = 0;
    104 	pba.pba_bridgetag = NULL;
    105 
    106 	if (vt->vt_pci_iobase == (bus_addr_t) -1)
    107 		pba.pba_flags &= ~PCI_FLAGS_IO_OKAY;
    108 
    109 #if defined(ALGOR_P4032)
    110 	    {
    111 		struct p4032_config *acp = &p4032_configuration;
    112 
    113 		pba.pba_iot = &acp->ac_iot;
    114 		pba.pba_memt = &acp->ac_memt;
    115 		pba.pba_dmat = &acp->ac_pci_dmat;
    116 		pba.pba_dmat64 = NULL;
    117 		pba.pba_pc = &acp->ac_pc;
    118 	    }
    119 #elif defined(ALGOR_P5064)
    120 	    {
    121 		struct p5064_config *acp = &p5064_configuration;
    122 
    123 		pba.pba_iot = &acp->ac_iot;
    124 		pba.pba_memt = &acp->ac_memt;
    125 		pba.pba_dmat = &acp->ac_pci_dmat;
    126 		pba.pba_dmat64 = NULL;
    127 		pba.pba_pc = &acp->ac_pc;
    128 	    }
    129 #endif /* ALGOR_P4032 || ALGOR_P5064 */
    130 
    131 	config_found(self, &pba, pcibusprint, CFARGS_NONE);
    132 }
    133