sys/arch/evbppc/pmppc/dev/cpc_mainbus.c

   1 /*      $NetBSD: cpc_mainbus.c,v 1.2 2007/10/17 19:54:19 garbled Exp $  */
   2
   3 /*
   4  * Copyright (c) 2002 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Lennart Augustsson (lennart@augustsson.net) at Sandburst Corp.
   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: cpc_mainbus.c,v 1.2 2007/10/17 19:54:19 garbled Exp $");
  34
  35 #include <sys/param.h>
  36 #include <sys/extent.h>
  37 #include <sys/device.h>
  38 #include <sys/malloc.h>
  39 #include <sys/systm.h>
  40
  41 #include <machine/bus.h>
  42 #include "locators.h"
  43
  44 #include <dev/pci/pcivar.h>
  45 #include <dev/pci/pcireg.h>
  46 #include <dev/pci/pciconf.h>
  47
  48 #include <dev/ic/cpc700reg.h>
  49 #include <dev/ic/cpc700var.h>
  50 #include <dev/ic/cpc700uic.h>
  51
  52 #include <machine/pmppc.h>
  53 #include <arch/evbppc/pmppc/dev/mainbus.h>
  54
  55 struct genppc_pci_chipset *genppc_pct;
  56
  57 void
  58 cpc_attach(struct device *self, pci_chipset_tag_t pc, bus_space_tag_t mem,
  59            bus_space_tag_t pciio, bus_dma_tag_t tag, int attachpci,
  60            uint freq);
  61
  62 static int      cpc_mainbus_match(struct device *, struct cfdata *, void *);
  63 static void     cpc_mainbus_attach(struct device *, struct device *, void *);
  64
  65 CFATTACH_DECL(cpc_mainbus, sizeof(struct device),
  66     cpc_mainbus_match, cpc_mainbus_attach, NULL, NULL);
  67
  68 int
  69 cpc_mainbus_match(struct device *parent, struct cfdata *cf, void *aux)
  70 {
  71         struct mainbus_attach_args *maa = aux;
  72
  73         return (strcmp(maa->mb_name, "cpc") == 0);
  74 }
  75
  76 void
  77 cpc_mainbus_attach(struct device *parent, struct device *self, void *aux)
  78 {
  79         struct genppc_pci_chipset_businfo *pbi;
  80
  81         genppc_pct = malloc(sizeof(struct genppc_pci_chipset), M_DEVBUF,
  82             M_NOWAIT);
  83         pmppc_pci_get_chipset_tag(genppc_pct);
  84         pbi = malloc(sizeof(struct genppc_pci_chipset_businfo),
  85             M_DEVBUF, M_NOWAIT);
  86         KASSERT(pbi != NULL);
  87         pbi->pbi_properties = prop_dictionary_create();
  88         KASSERT(pbi->pbi_properties != NULL);
  89         SIMPLEQ_INIT(&genppc_pct->pc_pbi);
  90         SIMPLEQ_INSERT_TAIL(&genppc_pct->pc_pbi, pbi, next);
  91
  92         cpc_attach(self, genppc_pct, &pmppc_mem_tag, &pmppc_pci_io_tag,
  93                    &pci_bus_dma_tag, a_config.a_is_monarch,
  94                    a_config.a_bus_freq);
  95
  96         if (!a_config.a_is_monarch)
  97                 printf("%s: not Monarch, pci not attached\n", self->dv_xname);
  98 }