bus_space.c

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    1 /*-
    2  * Copyright (C) 2012 FreeBSD Foundation
    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  * 3. Neither the name of MARVELL nor the names of contributors
   14  *    may be used to endorse or promote products derived from this software
   15  *    without specific prior written permission.
   16  *
   17  * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   20  * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
   21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   27  * SUCH DAMAGE.
   28  */
   29 
   30 #include <sys/cdefs.h>
   31 __FBSDID("$FreeBSD: releng/10.0/sys/arm/allwinner/bus_space.c 245455 2013-01-15 09:56:20Z ganbold $");
   32 
   33 #include <sys/param.h>
   34 #include <sys/systm.h>
   35 #include <sys/bus.h>
   36 #include <sys/kernel.h>
   37 #include <sys/malloc.h>
   38 
   39 #include <machine/bus.h>
   40 
   41 /* Prototypes for all the bus_space structure functions */
   42 bs_protos(generic);
   43 bs_protos(generic_armv4);
   44 
   45 struct bus_space _base_tag = {
   46         /* cookie */
   47         .bs_cookie      = (void *) 0,
   48         
   49         /* mapping/unmapping */
   50         .bs_map         = generic_bs_map,
   51         .bs_unmap       = generic_bs_unmap,
   52         .bs_subregion   = generic_bs_subregion,
   53         
   54         /* allocation/deallocation */
   55         .bs_alloc       = generic_bs_alloc,
   56         .bs_free        = generic_bs_free,
   57         
   58         /* barrier */
   59         .bs_barrier     = generic_bs_barrier,
   60         
   61         /* read (single) */
   62         .bs_r_1         = generic_bs_r_1,
   63         .bs_r_2         = generic_armv4_bs_r_2,
   64         .bs_r_4         = generic_bs_r_4,
   65         .bs_r_8         = NULL,
   66         
   67         /* read multiple */
   68         .bs_rm_1        = generic_bs_rm_1,
   69         .bs_rm_2        = generic_armv4_bs_rm_2,
   70         .bs_rm_4        = generic_bs_rm_4,
   71         .bs_rm_8        = NULL,
   72         
   73         /* read region */
   74         .bs_rr_1        = generic_bs_rr_1,
   75         .bs_rr_2        = generic_armv4_bs_rr_2,
   76         .bs_rr_4        = generic_bs_rr_4,
   77         .bs_rr_8        = NULL,
   78         
   79         /* write (single) */
   80         .bs_w_1         = generic_bs_w_1,
   81         .bs_w_2         = generic_armv4_bs_w_2,
   82         .bs_w_4         = generic_bs_w_4,
   83         .bs_w_8         = NULL,
   84         
   85         /* write multiple */
   86         .bs_wm_1        = generic_bs_wm_1,
   87         .bs_wm_2        = generic_armv4_bs_wm_2,
   88         .bs_wm_4        = generic_bs_wm_4,
   89         .bs_wm_8        = NULL,
   90         
   91         /* write region */
   92         .bs_wr_1        = generic_bs_wr_1,
   93         .bs_wr_2        = generic_armv4_bs_wr_2,
   94         .bs_wr_4        = generic_bs_wr_4,
   95         .bs_wr_8        = NULL,
   96         
   97         /* set multiple */
   98         /* XXX not implemented */
   99         
  100         /* set region */
  101         .bs_sr_1        = NULL,
  102         .bs_sr_2        = generic_armv4_bs_sr_2,
  103         .bs_sr_4        = generic_bs_sr_4,
  104         .bs_sr_8        = NULL,
  105         
  106         /* copy */
  107         .bs_c_1         = NULL,
  108         .bs_c_2         = generic_armv4_bs_c_2,
  109         .bs_c_4         = NULL,
  110         .bs_c_8         = NULL,
  111 };
  112 
  113 bus_space_tag_t fdtbus_bs_tag = &_base_tag;

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

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