sys/arch/arm/xscale/ixp425_a4x_space.c

   1 /*      $NetBSD: ixp425_a4x_space.c,v 1.1.4.3 2004/09/21 13:13:42 skrll Exp $   */
   2
   3 /*
   4  * Copyright 2003 Wasabi Systems, Inc.
   5  * All rights reserved.
   6  *
   7  * Written by Steve C. Woodford for Wasabi Systems, Inc.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the above copyright
  15  *    notice, this list of conditions and the following disclaimer in the
  16  *    documentation and/or other materials provided with the distribution.
  17  * 3. All advertising materials mentioning features or use of this software
  18  *    must display the following acknowledgement:
  19  *      This product includes software developed for the NetBSD Project by
  20  *      Wasabi Systems, Inc.
  21  * 4. The name of Wasabi Systems, Inc. may not be used to endorse
  22  *    or promote products derived from this software without specific prior
  23  *    written permission.
  24  *
  25  * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
  26  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  27  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  28  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
  29  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  30  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  31  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  32  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  33  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  34  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  35  * POSSIBILITY OF SUCH DAMAGE.
  36  */
  37
  38 /*
  39  * Bus space tag for 8/16-bit devices on 32-bit bus.
  40  * all registers are located at the address of multiple of 4.
  41  *
  42  * Based on pxa2x0_a4x_space.c
  43  */
  44
  45 #include <sys/cdefs.h>
  46 __KERNEL_RCSID(0, "$NetBSD: ixp425_a4x_space.c,v 1.1.4.3 2004/09/21 13:13:42 skrll Exp $");
  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(ixp425);
  57 bs_protos(a4x);
  58 bs_protos(generic);
  59 bs_protos(generic_armv4);
  60 bs_protos(bs_notimpl);
  61
  62 struct bus_space ixp425_a4x_bs_tag = {
  63         /* cookie */
  64         (void *) 0,
  65
  66         /* mapping/unmapping */
  67         ixp425_bs_map,
  68         ixp425_bs_unmap,
  69         ixp425_bs_subregion,
  70
  71         /* allocation/deallocation */
  72         ixp425_bs_alloc,        /* not implemented */
  73         ixp425_bs_free,         /* not implemented */
  74
  75         /* get kernel virtual address */
  76         ixp425_bs_vaddr,
  77
  78         /* mmap */
  79         bs_notimpl_bs_mmap,
  80
  81         /* barrier */
  82         ixp425_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 };