bus_space.c

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    1 /*-
    2  * Copyright (c) 2012 Damjan Marion <damjan.marion@gmail.com>
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer.
   10  * 2. Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in the
   12  *    documentation and/or other materials provided with the distribution.
   13  *
   14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   17  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   24  * SUCH DAMAGE.
   25  */
   26 
   27 #include <sys/cdefs.h>
   28 __FBSDID("$FreeBSD: releng/10.0/sys/arm/tegra/bus_space.c 239280 2012-08-15 06:06:43Z gonzo $");
   29 
   30 #include <sys/param.h>
   31 #include <sys/systm.h>
   32 #include <sys/bus.h>
   33 #include <sys/kernel.h>
   34 #include <sys/malloc.h>
   35 
   36 #include <machine/bus.h>
   37 
   38 /* Prototypes for all the bus_space structure functions */
   39 bs_protos(generic);
   40 bs_protos(generic_armv4);
   41 
   42 /*
   43  * The bus space tag.  This is constant for all instances, so
   44  * we never have to explicitly "create" it.
   45  */
   46 static struct bus_space _base_tag = {
   47         /* cookie */
   48         (void *) 0,
   49 
   50         /* mapping/unmapping */
   51         generic_bs_map,
   52         generic_bs_unmap,
   53         generic_bs_subregion,
   54 
   55         /* allocation/deallocation */
   56         generic_bs_alloc,
   57         generic_bs_free,
   58 
   59         /* barrier */
   60         generic_bs_barrier,
   61 
   62         /* read (single) */
   63         generic_bs_r_1,
   64         generic_armv4_bs_r_2,
   65         generic_bs_r_4,
   66         NULL,
   67 
   68         /* read multiple */
   69         generic_bs_rm_1,
   70         generic_armv4_bs_rm_2,
   71         generic_bs_rm_4,
   72         NULL,
   73 
   74         /* read region */
   75         generic_bs_rr_1,
   76         generic_armv4_bs_rr_2,
   77         generic_bs_rr_4,
   78         NULL,
   79 
   80         /* write (single) */
   81         generic_bs_w_1,
   82         generic_armv4_bs_w_2,
   83         generic_bs_w_4,
   84         NULL,
   85 
   86         /* write multiple */
   87         generic_bs_wm_1,
   88         generic_armv4_bs_wm_2,
   89         generic_bs_wm_4,
   90         NULL,
   91 
   92         /* write region */
   93         NULL,
   94         NULL,
   95         NULL,
   96         NULL,
   97 
   98         /* set multiple */
   99         NULL,
  100         NULL,
  101         NULL,
  102         NULL,
  103 
  104         /* set region */
  105         NULL,
  106         NULL,
  107         NULL,
  108         NULL,
  109 
  110         /* copy */
  111         NULL,
  112         NULL,
  113         NULL,
  114         NULL,
  115 
  116         /* read stream (single) */
  117         NULL,
  118         NULL,
  119         NULL,
  120         NULL,
  121 
  122         /* read multiple stream */
  123         NULL,
  124         generic_armv4_bs_rm_2,          /* bus_space_read_multi_stream_2 */
  125         NULL,
  126         NULL,
  127 
  128         /* read region stream */
  129         NULL,
  130         NULL,
  131         NULL,
  132         NULL,
  133 
  134         /* write stream (single) */
  135         NULL,
  136         NULL,
  137         NULL,
  138         NULL,
  139 
  140         /* write multiple stream */
  141         NULL,
  142         generic_armv4_bs_wm_2,          /* bus_space_write_multi_stream_2 */
  143         NULL,
  144         NULL,
  145 
  146         /* write region stream */
  147         NULL,
  148         NULL,
  149         NULL,
  150         NULL
  151 };
  152 
  153 bus_space_tag_t fdtbus_bs_tag = &_base_tag;

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FreeBSD/Linux Kernel Cross Reference sys/arm/tegra/bus_space.c

FreeBSD/Linux Kernel Cross Reference
sys/arm/tegra/bus_space.c