FreeBSD/Linux Kernel Cross Reference
sys/mips/mips/bus_space_fdt.c

     /*      $NetBSD: bus.h,v 1.12 1997/10/01 08:25:15 fvdl Exp $    */
     /*-
      * $Id: bus.h,v 1.6 2007/08/09 11:23:32 katta Exp $
      *
      * Copyright (c) 1996, 1997 The NetBSD Foundation, Inc.
      * All rights reserved.
      *
      * This code is derived from software contributed to The NetBSD Foundation
      * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
     * NASA Ames Research Center.
     *
     * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     *
     * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     * POSSIBILITY OF SUCH DAMAGE.
     */
    
    /*
     * Copyright (c) 1996 Charles M. Hannum.  All rights reserved.
     * Copyright (c) 1996 Christopher G. Demetriou.  All rights reserved.
     *
     * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *      This product includes software developed by Christopher G. Demetriou
     *      for the NetBSD Project.
     * 4. The name of the author may not be used to endorse or promote products
     *    derived from this software without specific prior written permission
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     *
     *      from: src/sys/alpha/include/bus.h,v 1.5 1999/08/28 00:38:40 peter
     * $FreeBSD: releng/10.4/sys/mips/mips/bus_space_fdt.c 263687 2014-03-24 13:48:04Z emaste $
     */
    #include <sys/cdefs.h>
    __FBSDID("$FreeBSD: releng/10.4/sys/mips/mips/bus_space_fdt.c 263687 2014-03-24 13:48:04Z emaste $");
    
    #include <sys/param.h>
    #include <sys/systm.h>
    #include <sys/bus.h>
    #include <sys/kernel.h>
    #include <sys/malloc.h>
    #include <sys/ktr.h>
    
    #include <vm/vm.h>
    #include <vm/pmap.h>
    #include <vm/vm_kern.h>
    #include <vm/vm_extern.h>
    
    #include <machine/bus.h>
    #include <machine/cache.h>
    
    static int      fdt_bs_map(void *, bus_addr_t, bus_size_t, int,
                        bus_space_handle_t *);
    
    static struct bus_space fdt_space = {
            /* cookie */
            .bs_cookie =    (void *) 0,
    
            /* mapping/unmapping */
            .bs_map =       fdt_bs_map,
            .bs_unmap =     generic_bs_unmap,
            .bs_subregion = generic_bs_subregion,
    
            /* allocation/deallocation */
            .bs_alloc =     generic_bs_alloc,
            .bs_free =      generic_bs_free,
   
           /* barrier */
           .bs_barrier =   generic_bs_barrier,
   
           /* read (single) */
           .bs_r_1 =       generic_bs_r_1,
           .bs_r_2 =       generic_bs_r_2,
           .bs_r_4 =       generic_bs_r_4,
           .bs_r_8 =       generic_bs_r_8,
   
           /* read multiple */
           .bs_rm_1 =      generic_bs_rm_1,
           .bs_rm_2 =      generic_bs_rm_2,
           .bs_rm_4 =      generic_bs_rm_4,
           .bs_rm_8 =      generic_bs_rm_8,
   
           /* read region */
           .bs_rr_1 =      generic_bs_rr_1,
           .bs_rr_2 =      generic_bs_rr_2,
           .bs_rr_4 =      generic_bs_rr_4,
           .bs_rr_8 =      generic_bs_rr_8,
   
           /* write (single) */
           .bs_w_1 =       generic_bs_w_1,
           .bs_w_2 =       generic_bs_w_2,
           .bs_w_4 =       generic_bs_w_4,
           .bs_w_8 =       generic_bs_w_8,
   
           /* write multiple */
           .bs_wm_1 =      generic_bs_wm_1,
           .bs_wm_2 =      generic_bs_wm_2,
           .bs_wm_4 =      generic_bs_wm_4,
           .bs_wm_8 =      generic_bs_wm_8,
   
           /* write region */
           .bs_wr_1 =      generic_bs_wr_1,
           .bs_wr_2 =      generic_bs_wr_2,
           .bs_wr_4 =      generic_bs_wr_4,
           .bs_wr_8 =      generic_bs_wr_8,
   
           /* set multiple */
           .bs_sm_1 =      generic_bs_sm_1,
           .bs_sm_2 =      generic_bs_sm_2,
           .bs_sm_4 =      generic_bs_sm_4,
           .bs_sm_8 =      generic_bs_sm_8,
   
           /* set region */
           .bs_sr_1 =      generic_bs_sr_1,
           .bs_sr_2 =      generic_bs_sr_2,
           .bs_sr_4 =      generic_bs_sr_4,
           .bs_sr_8 =      generic_bs_sr_8,
   
           /* copy */
           .bs_c_1 =       generic_bs_c_1,
           .bs_c_2 =       generic_bs_c_2,
           .bs_c_4 =       generic_bs_c_4,
           .bs_c_8 =       generic_bs_c_8,
   
           /* read (single) stream */
           .bs_r_1_s =     generic_bs_r_1,
           .bs_r_2_s =     generic_bs_r_2,
           .bs_r_4_s =     generic_bs_r_4,
           .bs_r_8_s =     generic_bs_r_8,
   
           /* read multiple stream */
           .bs_rm_1_s =    generic_bs_rm_1,
           .bs_rm_2_s =    generic_bs_rm_2,
           .bs_rm_4_s =    generic_bs_rm_4,
           .bs_rm_8_s =    generic_bs_rm_8,
   
           /* read region stream */
           .bs_rr_1_s =    generic_bs_rr_1,
           .bs_rr_2_s =    generic_bs_rr_2,
           .bs_rr_4_s =    generic_bs_rr_4,
           .bs_rr_8_s =    generic_bs_rr_8,
   
           /* write (single) stream */
           .bs_w_1_s =     generic_bs_w_1,
           .bs_w_2_s =     generic_bs_w_2,
           .bs_w_4_s =     generic_bs_w_4,
           .bs_w_8_s =     generic_bs_w_8,
   
           /* write multiple stream */
           .bs_wm_1_s =    generic_bs_wm_1,
           .bs_wm_2_s =    generic_bs_wm_2,
           .bs_wm_4_s =    generic_bs_wm_4,
           .bs_wm_8_s =    generic_bs_wm_8,
   
           /* write region stream */
           .bs_wr_1_s =    generic_bs_wr_1,
           .bs_wr_2_s =    generic_bs_wr_2,
           .bs_wr_4_s =    generic_bs_wr_4,
           .bs_wr_8_s =    generic_bs_wr_8,
   };
   
   /* generic bus_space tag */
   bus_space_tag_t mips_bus_space_fdt = &fdt_space;
   
   static int
   fdt_bs_map(void *t __unused, bus_addr_t addr, bus_size_t size __unused,
       int flags __unused, bus_space_handle_t *bshp)
   {
   
           *bshp = MIPS_PHYS_TO_DIRECT_UNCACHED(addr);
           return (0);
   }

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