The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/arm/versatile/versatile_machdep.c

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    1 /*-
    2  * Copyright (c) 2012 Oleksandr Tymoshenko.
    3  * All rights reserved.
    4  *
    5  * This code is derived from software written for Brini by Mark Brinicombe
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 1. Redistributions of source code must retain the above copyright
   11  *    notice, this list of conditions and the following disclaimer.
   12  * 2. Redistributions in binary form must reproduce the above copyright
   13  *    notice, this list of conditions and the following disclaimer in the
   14  *    documentation and/or other materials provided with the distribution.
   15  * 3. All advertising materials mentioning features or use of this software
   16  *    must display the following acknowledgement:
   17  *      This product includes software developed by Brini.
   18  * 4. The name of the company nor the name of the author may be used to
   19  *    endorse or promote products derived from this software without specific
   20  *    prior written permission.
   21  *
   22  * THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED
   23  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
   24  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   25  * IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
   26  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
   27  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
   28  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   32  * SUCH DAMAGE.
   33  *
   34  */
   35 
   36 #include "opt_ddb.h"
   37 #include "opt_platform.h"
   38 
   39 #include <sys/cdefs.h>
   40 __FBSDID("$FreeBSD: releng/11.1/sys/arm/versatile/versatile_machdep.c 314506 2017-03-01 19:55:04Z ian $");
   41 
   42 #include <sys/param.h>
   43 #include <sys/systm.h>
   44 #include <sys/bus.h>
   45 #include <sys/devmap.h>
   46 
   47 #include <vm/vm.h>
   48 #include <vm/pmap.h>
   49 
   50 #include <machine/bus.h>
   51 #include <machine/machdep.h>
   52 #include <machine/platform.h> 
   53 
   54 #include <dev/fdt/fdt_common.h>
   55 
   56 /* Start of address space used for bootstrap map */
   57 #define DEVMAP_BOOTSTRAP_MAP_START      0xE0000000
   58 
   59 vm_offset_t
   60 platform_lastaddr(void)
   61 {
   62 
   63         return (DEVMAP_BOOTSTRAP_MAP_START);
   64 }
   65 
   66 void
   67 platform_probe_and_attach(void)
   68 {
   69 
   70 }
   71 
   72 void
   73 platform_gpio_init(void)
   74 {
   75 }
   76 
   77 void
   78 platform_late_init(void)
   79 {
   80 }
   81 
   82 #define FDT_DEVMAP_MAX  (2)             /* FIXME */
   83 static struct devmap_entry fdt_devmap[FDT_DEVMAP_MAX] = {
   84         { 0, 0, 0, },
   85         { 0, 0, 0, }
   86 };
   87 
   88 
   89 /*
   90  * Construct devmap table with DT-derived config data.
   91  */
   92 int
   93 platform_devmap_init(void)
   94 {
   95         int i = 0;
   96         fdt_devmap[i].pd_va = 0xf0100000;
   97         fdt_devmap[i].pd_pa = 0x10100000;
   98         fdt_devmap[i].pd_size = 0x01000000;       /* 1 MB */
   99 
  100         devmap_register_table(&fdt_devmap[0]);
  101         return (0);
  102 }
  103 
  104 void
  105 cpu_reset(void)
  106 {
  107         printf("cpu_reset\n");
  108         while (1);
  109 }
  110 

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