sys/arch/arm/imx/imx31_aips.c

   1 /*      $Id: imx31_aips.c,v 1.3 2008/05/02 22:00:29 martin Exp $        */
   2
   3 /* derived from:        */
   4 /*      $NetBSD: imx31_aips.c,v 1.2 2008/04/27 18:58:44 matt Exp $ */
   5
   6 /*
   7  * Copyright (c) 2002, 2005  Genetec Corporation.  All rights reserved.
   8  * Written by Hiroyuki Bessho for Genetec Corporation.
   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  * 3. All advertising materials mentioning features or use of this software
  19  *    must display the following acknowledgement:
  20  *      This product includes software developed for the NetBSD Project by
  21  *      Genetec Corporation.
  22  * 4. The name of Genetec Corporation may not be used to endorse or
  23  *    promote products derived from this software without specific prior
  24  *    written permission.
  25  *
  26  * THIS SOFTWARE IS PROVIDED BY GENETEC CORPORATION ``AS IS'' AND
  27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL GENETEC CORPORATION
  30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  36  * POSSIBILITY OF SUCH DAMAGE.
  37  *
  38  *
  39  * Autoconfiguration support for the Intel PXA2[15]0 application
  40  * processor. This code is derived from arm/sa11x0/sa11x0.c
  41  */
  42
  43 /*-
  44  * Copyright (c) 2001, The NetBSD Foundation, Inc.  All rights reserved.
  45  *
  46  * This code is derived from software contributed to The NetBSD Foundation
  47  * by IWAMOTO Toshihiro and Ichiro FUKUHARA.
  48  *
  49  * Redistribution and use in source and binary forms, with or without
  50  * modification, are permitted provided that the following conditions
  51  * are met:
  52  * 1. Redistributions of source code must retain the above copyright
  53  *    notice, this list of conditions and the following disclaimer.
  54  * 2. Redistributions in binary form must reproduce the above copyright
  55  *    notice, this list of conditions and the following disclaimer in the
  56  *    documentation and/or other materials provided with the distribution.
  57  *
  58  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  59  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  60  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  61  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  62  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  63  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  64  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  65  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  66  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  67  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  68  * POSSIBILITY OF SUCH DAMAGE.
  69  */
  70 /*-
  71  * Copyright (c) 1999
  72  *         Shin Takemura and PocketBSD Project. All rights reserved.
  73  *
  74  * Redistribution and use in source and binary forms, with or without
  75  * modification, are permitted provided that the following conditions
  76  * are met:
  77  * 1. Redistributions of source code must retain the above copyright
  78  *    notice, this list of conditions and the following disclaimer.
  79  * 2. Redistributions in binary form must reproduce the above copyright
  80  *    notice, this list of conditions and the following disclaimer in the
  81  *    documentation and/or other materials provided with the distribution.
  82  * 3. All advertising materials mentioning features or use of this software
  83  *    must display the following acknowledgement:
  84  *      This product includes software developed by the PocketBSD project
  85  *      and its contributors.
  86  * 4. Neither the name of the project nor the names of its contributors
  87  *    may be used to endorse or promote products derived from this software
  88  *    without specific prior written permission.
  89  *
  90  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  91  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  92  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  93  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  94  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  95  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  96  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  97  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  98  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  99  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 100  * SUCH DAMAGE.
 101  *
 102  */
 103
 104 #include <sys/cdefs.h>
 105 __KERNEL_RCSID(0, "$Id: imx31_aips.c,v 1.3 2008/05/02 22:00:29 martin Exp $");
 106
 107 #include "locators.h"
 108
 109 #include <sys/param.h>
 110 #include <sys/systm.h>
 111 #include <sys/device.h>
 112 #include <sys/kernel.h>
 113 #include <sys/reboot.h>
 114
 115 #include <machine/cpu.h>
 116 #include <machine/bus.h>
 117
 118 #include <arm/cpufunc.h>
 119 #include <arm/mainbus/mainbus.h>
 120
 121 #include <machine/intr.h>
 122
 123 #include <arm/imx/imx31var.h>
 124 #include <arm/imx/imxuartreg.h>
 125 #include <arm/imx/imxuartvar.h>
 126
 127 struct imxaips_softc {
 128         struct device sc_dev;
 129         bus_space_tag_t sc_bust;
 130 };
 131
 132 /* prototypes */
 133 static int      imxaips_match(device_t , cfdata_t, void *);
 134 static void     imxaips_attach(device_t , device_t , void *);
 135 static int      imxaips_search(device_t , cfdata_t, const int *, void *);
 136 static int      imxaips_print(void *, const char *);
 137
 138 /* attach structures */
 139 CFATTACH_DECL(aips, sizeof(struct imxaips_softc),
 140     imxaips_match, imxaips_attach, NULL, NULL);
 141
 142 static int
 143 imxaips_match(device_t parent, cfdata_t match, void *aux)
 144 {
 145         return 1;
 146 }
 147
 148 static void
 149 imxaips_attach(device_t parent, device_t self, void *aux)
 150 {
 151         struct imxaips_softc * const sc = (struct imxaips_softc *)self;
 152         struct ahb_attach_args * const ahba = aux;
 153
 154         sc->sc_bust = ahba->ahba_memt;
 155
 156         aprint_normal(": imx31 AHB-Lite 2.v6 to IP bus interface\n");
 157
 158         /*
 159          * Attach all other devices
 160          */
 161         config_search_ia(imxaips_search, self, "aips", sc);
 162 }
 163
 164 static int
 165 imxaips_search(device_t parent, cfdata_t cf, const int *ldesc, void *aux)
 166 {
 167         struct imxaips_softc * const sc = aux;
 168         struct aips_attach_args aipsa;
 169
 170         aipsa.aipsa_name = "aisp";
 171         aipsa.aipsa_memt = sc->sc_bust;
 172         aipsa.aipsa_addr = cf->cf_loc[AIPSCF_ADDR];
 173         aipsa.aipsa_size = cf->cf_loc[AIPSCF_SIZE];
 174         aipsa.aipsa_intr = cf->cf_loc[AIPSCF_INTR];
 175
 176         if (config_match(parent, cf, &aipsa))
 177                 config_attach(parent, cf, &aipsa, imxaips_print);
 178
 179         return 0;
 180 }
 181
 182 static int
 183 imxaips_print(void *aux, const char *name)
 184 {
 185         struct aips_attach_args *aipsa = aux;
 186
 187         if (aipsa->aipsa_addr != AIPSCF_ADDR_DEFAULT) {
 188                 aprint_normal(" addr 0x%lx", aipsa->aipsa_addr);
 189                 if (aipsa->aipsa_size > AIPSCF_SIZE_DEFAULT)
 190                         aprint_normal("-0x%lx",
 191                             aipsa->aipsa_addr + aipsa->aipsa_size-1);
 192         }
 193         if (aipsa->aipsa_intr != AIPSCF_INTR_DEFAULT)
 194                 aprint_normal(" intr %d", aipsa->aipsa_intr);
 195
 196         return (UNCONF);
 197 }