sys/arch/arm/mainbus/cpu_mainbus.c

   1 /*      $NetBSD: cpu_mainbus.c,v 1.9 2009/03/14 14:45:56 dsl Exp $      */
   2
   3 /*
   4  * Copyright (c) 1995 Mark Brinicombe.
   5  * Copyright (c) 1995 Brini.
   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  * 3. All advertising materials mentioning features or use of this software
  17  *    must display the following acknowledgement:
  18  *      This product includes software developed by Brini.
  19  * 4. The name of the company nor the name of the author may be used to
  20  *    endorse or promote products derived from this software without specific
  21  *    prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED
  24  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  25  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  26  * IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
  27  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  28  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  29  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33  * SUCH DAMAGE.
  34  *
  35  * RiscBSD kernel project
  36  *
  37  * cpu.c
  38  *
  39  * Probing and configuration for the master cpu
  40  *
  41  * Created      : 10/10/95
  42  */
  43
  44 #include <sys/cdefs.h>
  45 __KERNEL_RCSID(0, "$NetBSD: cpu_mainbus.c,v 1.9 2009/03/14 14:45:56 dsl Exp $");
  46
  47 #include <sys/param.h>
  48 #include <sys/systm.h>
  49 #include <sys/malloc.h>
  50 #include <sys/device.h>
  51 #include <sys/proc.h>
  52 #if 0
  53 #include <sys/conf.h>
  54 #include <uvm/uvm_extern.h>
  55 #include <machine/io.h>
  56 #endif
  57 #include <machine/cpu.h>
  58 #if 0
  59 #include <arm/cpus.h>
  60 #include <arm/undefined.h>
  61 #endif
  62
  63 /*
  64  * Prototypes
  65  */
  66 static int cpu_mainbus_match(struct device *, struct cfdata *, void *);
  67 static void cpu_mainbus_attach(struct device *, struct device *, void *);
  68
  69 /*
  70  * int cpumatch(struct device *parent, struct cfdata *cf, void *aux)
  71  *
  72  * Probe for the main cpu. Currently all this does is return 1 to
  73  * indicate that the cpu was found.
  74  */
  75
  76 static int
  77 cpu_mainbus_match(struct device *parent, struct cfdata *cf, void *aux)
  78 {
  79         return(1);
  80 }
  81
  82 /*
  83  * void cpusattach(struct device *parent, struct device *dev, void *aux)
  84  *
  85  * Attach the main cpu
  86  */
  87
  88 static void
  89 cpu_mainbus_attach(struct device *parent, struct device *self, void *aux)
  90 {
  91         cpu_attach(self);
  92 }
  93
  94 CFATTACH_DECL(cpu_mainbus, sizeof(struct device),
  95     cpu_mainbus_match, cpu_mainbus_attach, NULL, NULL);