sys/arch/arm/xscale/ixp425_sip.c

   1 /*      $NetBSD: ixp425_sip.c,v 1.10 2006/04/10 03:36:03 simonb Exp $ */
   2
   3 /*
   4  * Copyright (c) 2003
   5  *      Ichiro FUKUHARA <ichiro@ichiro.org>.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY ICHIRO FUKUHARA ``AS IS'' AND ANY EXPRESS OR
  18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20  * IN NO EVENT SHALL ICHIRO FUKUHARA OR THE VOICES IN HIS HEAD BE LIABLE FOR
  21  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  */
  29
  30 #include <sys/cdefs.h>
  31 __KERNEL_RCSID(0, "$NetBSD: ixp425_sip.c,v 1.10 2006/04/10 03:36:03 simonb Exp $");
  32
  33 /*
  34  * Slow peripheral bus of IXP425 Processor
  35  */
  36
  37 #include <sys/param.h>
  38 #include <sys/systm.h>
  39 #include <sys/device.h>
  40
  41 #include <machine/autoconf.h>
  42 #include <machine/bus.h>
  43
  44 #include <arm/xscale/ixp425var.h>
  45 #include <arm/xscale/ixp425_sipvar.h>
  46
  47 #include "locators.h"
  48
  49 static int      ixpsip_match(struct device *, struct cfdata *, void *);
  50 static void     ixpsip_attach(struct device *, struct device *, void *);
  51 static int      ixpsip_search(struct device *, struct cfdata *,
  52                               const int *, void *);
  53 static int      ixpsip_print(void *, const char *);
  54
  55 CFATTACH_DECL(ixpsip, sizeof(struct ixpsip_softc),
  56                 ixpsip_match, ixpsip_attach, NULL, NULL);
  57
  58 struct ixpsip_softc *ixpsip_softc;
  59
  60 int
  61 ixpsip_match(struct device *parent, struct cfdata *cf, void *aux)
  62 {
  63         return (1);
  64 }
  65
  66 void
  67 ixpsip_attach(struct device *parent, struct device *self, void *aux)
  68 {
  69         struct ixpsip_softc *sc = (void *) self;
  70         sc->sc_iot = &ixp425_bs_tag;
  71
  72         ixpsip_softc = sc;
  73
  74         printf("\n");
  75
  76         if (bus_space_map(sc->sc_iot, IXP425_EXP_HWBASE, IXP425_EXP_SIZE,
  77             0, &sc->sc_ioh)) {
  78                 printf("%s: Can't map expansion bus control registers!\n",
  79                     sc->sc_dev.dv_xname);
  80                 return;
  81         }
  82
  83         /*
  84          *  Attach each devices
  85          */
  86         config_search_ia(ixpsip_search, self, "ixpsip", NULL);
  87 }
  88
  89 int
  90 ixpsip_search(struct device *parent, struct cfdata *cf,
  91               const int *ldesc, void *aux)
  92 {
  93         struct ixpsip_softc *sc = (struct ixpsip_softc *)parent;
  94         struct ixpsip_attach_args sa;
  95
  96         sa.sa_iot = sc->sc_iot;
  97         sa.sa_addr = cf->cf_loc[IXPSIPCF_ADDR];
  98         sa.sa_size = cf->cf_loc[IXPSIPCF_SIZE];
  99         sa.sa_index = cf->cf_loc[IXPSIPCF_INDEX];
 100         sa.sa_intr = cf->cf_loc[IXPSIPCF_INTR];
 101
 102         if (config_match(parent, cf, &sa) > 0)
 103                 config_attach(parent, cf, &sa, ixpsip_print);
 104
 105         return (0);
 106 }
 107
 108 static int
 109 ixpsip_print(void *aux, const char *name)
 110 {
 111         struct ixpsip_attach_args *sa = (struct ixpsip_attach_args*)aux;
 112
 113         if (sa->sa_size)
 114                 aprint_normal(" addr 0x%lx", sa->sa_addr);
 115         if (sa->sa_size > 1)
 116                 aprint_normal("-0x%lx", sa->sa_addr + sa->sa_size - 1);
 117         if (sa->sa_index > 1)
 118                 aprint_normal(" index %d", sa->sa_index);
 119         if (sa->sa_intr > 1)
 120                 aprint_normal(" intr %d", sa->sa_intr);
 121
 122         return (UNCONF);
 123 }