sys/arch/mips/rmi/rmixl_pcie_mem_space.c

   1 /*      $NetBSD$        */
   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  * Little Endian bus_space(9) support for PCI MEM access
  34  * on RMI {XLP,XLR,XLS} chips
  35  */
  36
  37 #include <sys/cdefs.h>
  38 __KERNEL_RCSID(0, "$NetBSD$");
  39
  40 #include <sys/types.h>
  41 #include <sys/param.h>
  42
  43 #include <machine/bus.h>
  44 #include <mips/rmi/rmixl_obiovar.h>
  45 #include <mips/rmi/rmixlreg.h>
  46 #include <mips/rmi/rmixlvar.h>
  47
  48 #define CHIP                    rmixl_pcie
  49 #define CHIP_MEM                /* defined */
  50 #define CHIP_ACCESS_SIZE        1
  51 #define CHIP_LITTLE_ENDIAN
  52
  53 #define CHIP_EX_MALLOC_SAFE(v)  (((struct rmixl_config *)(v))->rc_mallocsafe)
  54 #define CHIP_EXTENT(v)          (((struct rmixl_config *)(v))->rc_pcie_mem_ex)
  55
  56 /* MEM region 1 */
  57 #define CHIP_W1_BUS_START(v)    (((struct rmixl_config *)(v))->rc_pci_mem_pbase)
  58 #define CHIP_W1_BUS_END(v)      (CHIP_W1_SYS_START(v) + \
  59                                         (((struct rmixl_config *)(v))->rc_pci_mem_size) - 1)
  60 #define CHIP_W1_SYS_START(v)    CHIP_W1_BUS_START(v)
  61 #define CHIP_W1_SYS_END(v)      CHIP_W1_BUS_END(v)
  62
  63 #include <mips/mips/bus_space_alignstride_chipdep.c>