sys/arch/evbmips/malta/malta_bus_mem.c

   1 /*      $NetBSD: malta_bus_mem.c,v 1.6 2005/12/11 12:17:11 christos Exp $       */
   2
   3 /*-
   4  * Copyright (c) 2001 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Jason R. Thorpe.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20  * ``AS IS'' AND 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 THE FOUNDATION OR CONTRIBUTORS
  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  * Platform-specific PCI bus memory support for the MIPS Malta.
  34  */
  35
  36 #include <sys/cdefs.h>
  37 __KERNEL_RCSID(0, "$NetBSD: malta_bus_mem.c,v 1.6 2005/12/11 12:17:11 christos Exp $");
  38
  39 #include <sys/param.h>
  40
  41 #include <evbmips/malta/maltareg.h>
  42 #include <evbmips/malta/maltavar.h>
  43
  44 #define CHIP            malta
  45 #define CHIP_MEM        /* defined */
  46
  47 #define CHIP_EX_MALLOC_SAFE(v)  (((struct malta_config *)(v))->mc_mallocsafe)
  48 #define CHIP_EXTENT(v)          (((struct malta_config *)(v))->mc_mem_ex)
  49
  50 #if 1
  51 /*
  52  * There are actually 2 PCILO memory windows, but they are configured
  53  * as one contiguous PCI memory space.
  54  */
  55
  56 /* MEM region 1 */
  57 #define CHIP_W1_BUS_START(v)    MALTA_PCIMEM1_BASE
  58 #define CHIP_W1_BUS_END(v)      MALTA_PCIMEM1_SIZE + \
  59                                 MALTA_PCIMEM2_SIZE
  60 #define CHIP_W1_SYS_START(v)    ((u_long)MALTA_PCIMEM1_BASE)
  61 #define CHIP_W1_SYS_END(v)      ((u_long)MALTA_PCIMEM1_BASE + \
  62                                  CHIP_W1_BUS_END(v))
  63 #else
  64
  65 /* MEM region 1 */
  66 #define CHIP_W1_BUS_START(v)    MALTA_PCIMEM1_BASE
  67 #define CHIP_W1_BUS_END(v)      MALTA_PCIMEM1_SIZE
  68 #define CHIP_W1_SYS_START(v)    ((u_long)MALTA_PCIMEM1_BASE)
  69 #define CHIP_W1_SYS_END(v)      ((u_long)MALTA_PCIMEM1_BASE + \
  70                                  CHIP_W1_BUS_END(v))
  71
  72 /* MEM region 2 */
  73 #define CHIP_W2_BUS_START(v)    MALTA_PCIMEM2_BASE
  74 #define CHIP_W2_BUS_END(v)      MALTA_PCIMEM2_SIZE
  75 #define CHIP_W2_SYS_START(v)    ((u_long)MALTA_PCIMEM2_BASE)
  76 #define CHIP_W2_SYS_END(v)      ((u_long)MALTA_PCIMEM2_BASE + \
  77                                  CHIP_W2_BUS_END(v))
  78 #endif
  79
  80 #include <mips/mips/bus_space_alignstride_chipdep.c>