sys/arch/arm/ixp12x0/ixpsip.c

   1 /*      $NetBSD: ixpsip.c,v 1.11 2009/03/14 15:36:02 dsl Exp $ */
   2
   3 /*
   4  * Copyright (c) 2002
   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: ixpsip.c,v 1.11 2009/03/14 15:36:02 dsl Exp $");
  32
  33 /*
  34  * Slow peripheral bus of ixp12x0 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/ixp12x0/ixp12x0var.h>
  45 #include <arm/ixp12x0/ixpsipvar.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 int
  59 ixpsip_match(struct device *parent, struct cfdata *cf, void *aux)
  60 {
  61         return (1);
  62 }
  63
  64 void
  65 ixpsip_attach(struct device *parent, struct device *self, void *aux)
  66 {
  67         struct ixpsip_softc *sc = (void *) self;
  68         sc->sc_iot = &ixp12x0_bs_tag;
  69
  70         printf("\n");
  71
  72         /*
  73          *  Attach each devices
  74          */
  75         config_search_ia(ixpsip_search, self, "ixpsip", NULL);
  76 }
  77
  78 int
  79 ixpsip_search(struct device *parent, struct cfdata *cf, const int *ldesc, void *aux)
  80 {
  81         struct ixpsip_softc *sc = (struct ixpsip_softc *)parent;
  82         struct ixpsip_attach_args sa;
  83
  84         sa.sa_iot = sc->sc_iot;
  85         sa.sa_addr = cf->cf_loc[IXPSIPCF_ADDR];
  86         sa.sa_size = cf->cf_loc[IXPSIPCF_SIZE];
  87         sa.sa_intr = cf->cf_loc[IXPSIPCF_INTR];
  88
  89         if (config_match(parent, cf, &sa) > 0)
  90                 config_attach(parent, cf, &sa, ixpsip_print);
  91
  92         return (0);
  93 }
  94
  95 static int
  96 ixpsip_print(void *aux, const char *name)
  97 {
  98         struct ixpsip_attach_args *sa = (struct ixpsip_attach_args*)aux;
  99
 100         if (sa->sa_size)
 101                 aprint_normal(" addr 0x%lx", sa->sa_addr);
 102         if (sa->sa_size > 1)
 103                 aprint_normal("-0x%lx", sa->sa_addr + sa->sa_size - 1);
 104         if (sa->sa_intr > 1)
 105                 aprint_normal(" intr %d", sa->sa_intr);
 106
 107         return (UNCONF);
 108 }