sys/arch/evbarm/lubbock/sm_obio_space.c

   1 /*      $NetBSD: sm_obio_space.c,v 1.1.2.3 2004/09/21 13:14:53 skrll Exp $ */
   2
   3 /*
   4  * Copyright (c) 2002, 2003  Genetec Corporation.  All rights reserved.
   5  * Written by Hiroyuki Bessho for Genetec Corporation.
   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. The name of Genetec Corporation may not be used to endorse or
  16  *    promote products derived from this software without specific prior
  17  *    written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY GENETEC CORPORATION ``AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL GENETEC CORPORATION
  23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 /*
  33  * bus_space I/O functions for SMC91C96 on Lubbock.
  34  */
  35
  36 #include <sys/cdefs.h>
  37 __KERNEL_RCSID(0, "$NetBSD: sm_obio_space.c,v 1.1.2.3 2004/09/21 13:14:53 skrll Exp $");
  38
  39 #include <sys/param.h>
  40 #include <sys/systm.h>
  41 #include <sys/queue.h>
  42
  43 #include <uvm/uvm.h>
  44
  45 #include <machine/bus.h>
  46 #include <machine/pmap.h>
  47
  48 /* Proto types for all the bus_space structure functions */
  49
  50 bs_protos(pxa2x0);
  51 bs_protos(a4x);
  52 bs_protos(smobio8);
  53 bs_protos(bs_notimpl);
  54
  55 /*
  56  * Special bus space functions for on-board SMC91c96 in 8-bit mode
  57  */
  58 struct bus_space smobio8_bs_tag = {
  59         /* cookie */
  60         NULL,
  61
  62         /* mapping/unmapping */
  63         pxa2x0_bs_map,
  64         pxa2x0_bs_unmap,
  65         pxa2x0_bs_subregion,
  66
  67         /* allocation/deallocation */
  68         pxa2x0_bs_alloc,
  69         pxa2x0_bs_free,
  70
  71         /* get kernel virtual address */
  72         pxa2x0_bs_vaddr,
  73
  74         /* mmap bus space for userland */
  75         bs_notimpl_bs_mmap,
  76
  77         /* barrier */
  78         pxa2x0_bs_barrier,
  79
  80         /* read (single) */
  81         a4x_bs_r_1,
  82         smobio8_bs_r_2,
  83         bs_notimpl_bs_r_4,
  84         bs_notimpl_bs_r_8,
  85
  86         /* read multiple */
  87         a4x_bs_rm_1,
  88         smobio8_bs_rm_2,
  89         bs_notimpl_bs_rm_4,
  90         bs_notimpl_bs_rm_8,
  91
  92         /* read region */
  93         bs_notimpl_bs_rr_1,
  94         bs_notimpl_bs_rr_2,
  95         bs_notimpl_bs_rr_4,
  96         bs_notimpl_bs_rr_8,
  97
  98         /* write (single) */
  99         a4x_bs_w_1,
 100         smobio8_bs_w_2,
 101         bs_notimpl_bs_w_4,
 102         bs_notimpl_bs_w_8,
 103
 104         /* write multiple */
 105         a4x_bs_wm_1,
 106         smobio8_bs_wm_2,
 107         bs_notimpl_bs_wm_4,
 108         bs_notimpl_bs_wm_8,
 109
 110         /* write region */
 111         bs_notimpl_bs_wr_1,
 112         bs_notimpl_bs_wr_2,
 113         bs_notimpl_bs_wr_4,
 114         bs_notimpl_bs_wr_8,
 115
 116         /* set multiple */
 117         bs_notimpl_bs_sm_1,
 118         bs_notimpl_bs_sm_2,
 119         bs_notimpl_bs_sm_4,
 120         bs_notimpl_bs_sm_8,
 121
 122         /* set region */
 123         bs_notimpl_bs_sr_1,
 124         bs_notimpl_bs_sr_2,
 125         bs_notimpl_bs_sr_4,
 126         bs_notimpl_bs_sr_8,
 127
 128         /* copy */
 129         bs_notimpl_bs_c_1,
 130         bs_notimpl_bs_c_2,
 131         bs_notimpl_bs_c_4,
 132         bs_notimpl_bs_c_8,
 133 };
 134
 135 /* bus space functions */
 136