sys/arch/hpcmips/isa/plumisa_machdep.c

   1 /*      $NetBSD: plumisa_machdep.c,v 1.10 2009/08/18 17:02:00 dyoung Exp $ */
   2
   3 /*-
   4  * Copyright (c) 1999 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by UCHIYAMA Yasushi.
   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: plumisa_machdep.c,v 1.10 2009/08/18 17:02:00 dyoung Exp $");
  34
  35 #include <sys/param.h>
  36 #include <sys/systm.h>
  37
  38 #include <machine/bus.h>
  39
  40 #include <dev/isa/isavar.h>
  41 #include <dev/isa/isareg.h>
  42
  43 #include <machine/platid.h>
  44 #include <machine/platid_mask.h>
  45
  46 #include <hpcmips/tx/tx39var.h>
  47 #include <hpcmips/dev/plumvar.h>
  48 #include <hpcmips/dev/plumicuvar.h>
  49 #include <hpcmips/dev/plumiobusvar.h>
  50
  51 #include "locators.h"
  52
  53 int     plumisabprint(void *, const char *);
  54 int     plumisabmatch(struct device *, struct cfdata *, void *);
  55 void    plumisabattach(struct device *, struct device *, void *);
  56
  57 struct plumisab_softc {
  58         struct device sc_dev;
  59         plum_chipset_tag_t sc_pc;
  60         bus_space_tag_t sc_iot;
  61         int sc_irq;
  62         void *sc_ih;
  63 };
  64
  65 CFATTACH_DECL(plumisab, sizeof(struct plumisab_softc),
  66     plumisabmatch, plumisabattach, NULL, NULL);
  67
  68 int
  69 plumisabmatch(struct device *parent, struct cfdata *match, void *aux)
  70 {
  71         struct plumiobus_attach_args *pba = aux;
  72         platid_mask_t mask;
  73
  74         if (strcmp(pba->pba_busname, match->cf_name)) {
  75                 return (0);
  76         }
  77
  78         if (match->cf_loc[PLUMIOBUSIFCF_PLATFORM] ==
  79             PLUMIOBUSIFCF_PLATFORM_DEFAULT) {
  80                 return (1);
  81         }
  82
  83         mask = PLATID_DEREF(match->cf_loc[PLUMIOBUSIFCF_PLATFORM]);
  84         if (platid_match(&platid, &mask)) {
  85                 return (2);
  86         }
  87
  88         return (0);
  89 }
  90
  91 void
  92 plumisabattach(struct device *parent, struct device *self, void *aux)
  93 {
  94         struct plumiobus_attach_args *pba = aux;
  95         struct plumisab_softc *sc = (void*)self;
  96         struct isabus_attach_args iba;
  97
  98         printf("\n");
  99         sc->sc_pc = pba->pba_pc;
 100         sc->sc_iot = pba->pba_iot;
 101         sc->sc_irq = pba->pba_irq;
 102         printf(" base=%#x irq=%d\n", sc->sc_iot->t_base, sc->sc_irq);
 103 #if 0
 104         /* Reset I/O bus */
 105         plum_power_ioreset(sc->sc_pc);
 106 #endif
 107         /* Dump I/O port */
 108         if (0) {
 109                 bus_space_handle_t ioh;
 110                 int i;
 111                 bus_space_map(sc->sc_iot, 0, 0x400, 0, &ioh);
 112                 for(i = 0; i < 0x400; i += 4) {
 113                         printf("[%03x]%02x", i, bus_space_read_1(sc->sc_iot, ioh, i + 3));
 114                         printf("%02x", bus_space_read_1(sc->sc_iot, ioh, i + 2));
 115                         printf("%02x", bus_space_read_1(sc->sc_iot, ioh, i + 1));
 116                         printf("%02x", bus_space_read_1(sc->sc_iot, ioh, i + 0));
 117                 }
 118                 bus_space_unmap(sc->sc_iot, ioh, 0x400);
 119         }
 120
 121         iba.iba_ic      = sc;
 122         /* Plum ISA-bus don't have memory space! */
 123         /* Plum ISA port space */
 124         iba.iba_iot     = sc->sc_iot;
 125         config_found_ia(self, "isabus", &iba, plumisabprint);
 126 }
 127
 128 int
 129 plumisabprint(void *aux, const char *pnp)
 130 {
 131
 132         return (pnp ? QUIET : UNCONF);
 133 }
 134
 135 void
 136 isa_attach_hook(struct device *parent, struct device *self,
 137     struct isabus_attach_args *iba)
 138 {
 139
 140 }
 141
 142 void
 143 isa_detach_hook(isa_chipset_tag_t, device_t self)
 144 {
 145 }
 146
 147 void *
 148 isa_intr_establish(isa_chipset_tag_t ic, int irq, int type, int level,
 149     int (*ih_fun)(void *), void *ih_arg)
 150 {
 151         struct plumisab_softc *sc = (void*)ic;
 152
 153         sc->sc_ih = plum_intr_establish(sc->sc_pc, sc->sc_irq, type, level,
 154                                         ih_fun, ih_arg);
 155         return (sc->sc_ih);
 156 }
 157
 158 void
 159 isa_intr_disestablish(isa_chipset_tag_t ic, void *arg)
 160 {
 161         struct plumisab_softc *sc = (void*)ic;
 162
 163         plum_intr_disestablish(sc->sc_pc, arg);
 164 }
 165
 166 int
 167 isa_intr_alloc(isa_chipset_tag_t ic, int mask, int type, int *irq)
 168 {
 169         struct plumisab_softc *sc = (void*)ic;
 170
 171         *irq = sc->sc_irq;
 172
 173         return (0);
 174 }