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  * SPDX-License-Identifier: BSD-4-Clause
    3  *
    4  * Copyright (c) 2012 Oleksandr Tymoshenko.
    5  * All rights reserved.
    6  *
    7  * This code is derived from software written for Brini by Mark Brinicombe
    8  *
    9  * Redistribution and use in source and binary forms, with or without
   10  * modification, are permitted provided that the following conditions
   11  * are met:
   12  * 1. Redistributions of source code must retain the above copyright
   13  *    notice, this list of conditions and the following disclaimer.
   14  * 2. Redistributions in binary form must reproduce the above copyright
   15  *    notice, this list of conditions and the following disclaimer in the
   16  *    documentation and/or other materials provided with the distribution.
   17  * 3. All advertising materials mentioning features or use of this software
   18  *    must display the following acknowledgement:
   19  *      This product includes software developed by Brini.
   20  * 4. The name of the company nor the name of the author may be used to
   21  *    endorse or promote products derived from this software without specific
   22  *    prior written permission.
   23  *
   24  * THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED
   25  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
   26  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   27  * IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
   28  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
   29  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
   30  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   34  * SUCH DAMAGE.
   35  *
   36  */
   37 
   38 #include "opt_ddb.h"
   39 #include "opt_platform.h"
   40 
   41 #include <sys/cdefs.h>
   42 __FBSDID("$FreeBSD: stable/11/sys/arm/versatile/versatile_machdep.c 330897 2018-03-14 03:19:51Z eadler $");
   43 
   44 #include <sys/param.h>
   45 #include <sys/systm.h>
   46 #include <sys/bus.h>
   47 #include <sys/devmap.h>
   48 
   49 #include <vm/vm.h>
   50 #include <vm/pmap.h>
   51 
   52 #include <machine/bus.h>
   53 #include <machine/machdep.h>
   54 #include <machine/platform.h> 
   55 
   56 #include <dev/fdt/fdt_common.h>
   57 
   58 /* Start of address space used for bootstrap map */
   59 #define DEVMAP_BOOTSTRAP_MAP_START      0xE0000000
   60 
   61 vm_offset_t
   62 platform_lastaddr(void)
   63 {
   64 
   65         return (DEVMAP_BOOTSTRAP_MAP_START);
   66 }
   67 
   68 void
   69 platform_probe_and_attach(void)
   70 {
   71 
   72 }
   73 
   74 void
   75 platform_gpio_init(void)
   76 {
   77 }
   78 
   79 void
   80 platform_late_init(void)
   81 {
   82 }
   83 
   84 #define FDT_DEVMAP_MAX  (2)             /* FIXME */
   85 static struct devmap_entry fdt_devmap[FDT_DEVMAP_MAX] = {
   86         { 0, 0, 0, },
   87         { 0, 0, 0, }
   88 };
   89 
   90 
   91 /*
   92  * Construct devmap table with DT-derived config data.
   93  */
   94 int
   95 platform_devmap_init(void)
   96 {
   97         int i = 0;
   98         fdt_devmap[i].pd_va = 0xf0100000;
   99         fdt_devmap[i].pd_pa = 0x10100000;
  100         fdt_devmap[i].pd_size = 0x01000000;       /* 1 MB */
  101 
  102         devmap_register_table(&fdt_devmap[0]);
  103         return (0);
  104 }
  105 
  106 void
  107 cpu_reset(void)
  108 {
  109         printf("cpu_reset\n");
  110         while (1);
  111 }
  112 

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