sys/arch/arm/gemini/gemini_a4x_space.c

   1 /*      $NetBSD$        */
   2
   3 /* adapted from:
   4  *      NetBSD: pxa2x0_a4x_space.c,v 1.4 2006/07/28 08:15:29 simonb Exp
   5  */
   6
   7 /*
   8  * Copyright (c) 2002  Genetec Corporation.  All rights reserved.
   9  * Written by Hiroyuki Bessho for Genetec Corporation.
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  14  * 1. Redistributions of source code must retain the above copyright
  15  *    notice, this list of conditions and the following disclaimer.
  16  * 2. Redistributions in binary form must reproduce the above copyright
  17  *    notice, this list of conditions and the following disclaimer in the
  18  *    documentation and/or other materials provided with the distribution.
  19  * 3. All advertising materials mentioning features or use of this software
  20  *    must display the following acknowledgement:
  21  *      This product includes software developed for the NetBSD Project by
  22  *      Genetec Corporation.
  23  * 4. The name of Genetec Corporation may not be used to endorse or
  24  *    promote products derived from this software without specific prior
  25  *    written permission.
  26  *
  27  * THIS SOFTWARE IS PROVIDED BY GENETEC CORPORATION ``AS IS'' AND
  28  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  29  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  30  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL GENETEC CORPORATION
  31  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  32  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  33  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  34  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  35  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  36  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  37  * POSSIBILITY OF SUCH DAMAGE.
  38  */
  39
  40 /*
  41  * Bus space tag for 8/16-bit devices on 32-bit bus.
  42  * all registers are located at the address of multiple of 4.
  43  */
  44
  45 #include <sys/cdefs.h>
  46 __KERNEL_RCSID(0, "$NetBSD$");
  47
  48 #include <sys/param.h>
  49 #include <sys/systm.h>
  50
  51 #include <uvm/uvm_extern.h>
  52
  53 #include <machine/bus.h>
  54
  55 /* Prototypes for all the bus_space structure functions */
  56 bs_protos(gemini);
  57 bs_protos(a4x);
  58 bs_protos(generic);
  59 bs_protos(generic_armv4);
  60 bs_protos(bs_notimpl);
  61
  62 struct bus_space gemini_a4x_bs_tag = {
  63         /* cookie */
  64         (void *) 0,
  65
  66         /* mapping/unmapping */
  67         gemini_bs_map,
  68         gemini_bs_unmap,
  69         gemini_bs_subregion,
  70
  71         /* allocation/deallocation */
  72         gemini_bs_alloc,        /* not implemented */
  73         gemini_bs_free,         /* not implemented */
  74
  75         /* get kernel virtual address */
  76         gemini_bs_vaddr,
  77
  78         /* mmap */
  79         bs_notimpl_bs_mmap,
  80
  81         /* barrier */
  82         gemini_bs_barrier,
  83
  84         /* read (single) */
  85         a4x_bs_r_1,
  86         a4x_bs_r_2,
  87         a4x_bs_r_4,
  88         bs_notimpl_bs_r_8,
  89
  90         /* read multiple */
  91         a4x_bs_rm_1,
  92         a4x_bs_rm_2,
  93         bs_notimpl_bs_rm_4,
  94         bs_notimpl_bs_rm_8,
  95
  96         /* read region */
  97         bs_notimpl_bs_rr_1,
  98         bs_notimpl_bs_rr_2,
  99         bs_notimpl_bs_rr_4,
 100         bs_notimpl_bs_rr_8,
 101
 102         /* write (single) */
 103         a4x_bs_w_1,
 104         a4x_bs_w_2,
 105         a4x_bs_w_4,
 106         bs_notimpl_bs_w_8,
 107
 108         /* write multiple */
 109         a4x_bs_wm_1,
 110         a4x_bs_wm_2,
 111         bs_notimpl_bs_wm_4,
 112         bs_notimpl_bs_wm_8,
 113
 114         /* write region */
 115         bs_notimpl_bs_wr_1,
 116         bs_notimpl_bs_wr_2,
 117         bs_notimpl_bs_wr_4,
 118         bs_notimpl_bs_wr_8,
 119
 120         /* set multiple */
 121         bs_notimpl_bs_sm_1,
 122         bs_notimpl_bs_sm_2,
 123         bs_notimpl_bs_sm_4,
 124         bs_notimpl_bs_sm_8,
 125
 126         /* set region */
 127         bs_notimpl_bs_sr_1,
 128         bs_notimpl_bs_sr_2,
 129         bs_notimpl_bs_sr_4,
 130         bs_notimpl_bs_sr_8,
 131
 132         /* copy */
 133         bs_notimpl_bs_c_1,
 134         bs_notimpl_bs_c_2,
 135         bs_notimpl_bs_c_4,
 136         bs_notimpl_bs_c_8,
 137 };