bus_space.c

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    1 /*-
    2  * Copyright (C) 2008 MARVELL INTERNATIONAL LTD.
    3  * All rights reserved.
    4  *
    5  * Developed by Semihalf.
    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. Neither the name of MARVELL nor the names of contributors
   16  *    may be used to endorse or promote products derived from this software
   17  *    without specific prior written permission.
   18  *
   19  * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   22  * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
   23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   29  * SUCH DAMAGE.
   30  */
   31 
   32 #include <sys/cdefs.h>
   33 __FBSDID("$FreeBSD: releng/10.1/sys/arm/versatile/bus_space.c 266084 2014-05-14 19:18:58Z ian $");
   34 
   35 #include <sys/param.h>
   36 #include <sys/systm.h>
   37 #include <sys/bus.h>
   38 #include <sys/kernel.h>
   39 #include <sys/malloc.h>
   40 
   41 #include <machine/bus.h>
   42 
   43 /* Prototypes for all the bus_space structure functions */
   44 bs_protos(generic);
   45 bs_protos(generic_armv4);
   46 
   47 struct bus_space _base_tag = {
   48         /* cookie */
   49         .bs_cookie      = (void *) 0,
   50         
   51         /* mapping/unmapping */
   52         .bs_map         = generic_bs_map,
   53         .bs_unmap       = generic_bs_unmap,
   54         .bs_subregion   = generic_bs_subregion,
   55         
   56         /* allocation/deallocation */
   57         .bs_alloc       = generic_bs_alloc,
   58         .bs_free        = generic_bs_free,
   59         
   60         /* barrier */
   61         .bs_barrier     = generic_bs_barrier,
   62         
   63         /* read (single) */
   64         .bs_r_1         = generic_bs_r_1,
   65         .bs_r_2         = generic_armv4_bs_r_2,
   66         .bs_r_4         = generic_bs_r_4,
   67         .bs_r_8         = NULL,
   68         
   69         /* read multiple */
   70         .bs_rm_1        = generic_bs_rm_1,
   71         .bs_rm_2        = generic_armv4_bs_rm_2,
   72         .bs_rm_4        = generic_bs_rm_4,
   73         .bs_rm_8        = NULL,
   74         
   75         /* read region */
   76         .bs_rr_1        = generic_bs_rr_1,
   77         .bs_rr_2        = generic_armv4_bs_rr_2,
   78         .bs_rr_4        = generic_bs_rr_4,
   79         .bs_rr_8        = NULL,
   80         
   81         /* write (single) */
   82         .bs_w_1         = generic_bs_w_1,
   83         .bs_w_2         = generic_armv4_bs_w_2,
   84         .bs_w_4         = generic_bs_w_4,
   85         .bs_w_8         = NULL,
   86         
   87         /* write multiple */
   88         .bs_wm_1        = generic_bs_wm_1,
   89         .bs_wm_2        = generic_armv4_bs_wm_2,
   90         .bs_wm_4        = generic_bs_wm_4,
   91         .bs_wm_8        = NULL,
   92         
   93         /* write region */
   94         .bs_wr_1        = generic_bs_wr_1,
   95         .bs_wr_2        = generic_armv4_bs_wr_2,
   96         .bs_wr_4        = generic_bs_wr_4,
   97         .bs_wr_8        = NULL,
   98         
   99         /* set multiple */
  100         /* XXX not implemented */
  101         
  102         /* set region */
  103         .bs_sr_1        = NULL,
  104         .bs_sr_2        = generic_armv4_bs_sr_2,
  105         .bs_sr_4        = generic_bs_sr_4,
  106         .bs_sr_8        = NULL,
  107         
  108         /* copy */
  109         .bs_c_1         = NULL,
  110         .bs_c_2         = generic_armv4_bs_c_2,
  111         .bs_c_4         = NULL,
  112         .bs_c_8         = NULL,
  113 };
  114 
  115 bus_space_tag_t fdtbus_bs_tag = &_base_tag;

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

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