sys/arch/evbmips/gdium/gdium_bus_mem.c

   1 /*      $NetBSD: algor_p6032_bus_mem.c,v 1.4 2008/04/28 20:23:10 martin 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 Gdium Liberty 1000.
  34  */
  35
  36 #include <sys/cdefs.h>
  37 __KERNEL_RCSID(0, "$NetBSD: algor_p6032_bus_mem.c,v 1.4 2008/04/28 20:23:10 martin Exp $");
  38
  39 #include <sys/param.h>
  40 #include <sys/systm.h>
  41 #include <sys/malloc.h>
  42 #include <sys/syslog.h>
  43 #include <sys/device.h>
  44
  45 #include <uvm/uvm_extern.h>
  46
  47 #include <machine/locore.h>
  48
  49 #include <mips/bonito/bonitoreg.h>
  50
  51 #include <evbmips/gdium/gdiumvar.h>
  52
  53 #define CHIP                    gdium
  54 #define CHIP_MEM                /* defined */
  55
  56 #define CHIP_EX_MALLOC_SAFE(v)  (((struct gdium_config *)(v))->gc_mallocsafe)
  57 #define CHIP_MEM_EXTENT(v)      (((struct gdium_config *)(v))->gc_mem_ex)
  58
  59 /*
  60  * There are actually 3 PCILO memory windows, but PMON configures them
  61  * so that they map PCI memory space contiguously.
  62  */
  63
  64 /* MEM region 1 */
  65 #define CHIP_W1_BUS_START(v)    0x00000000UL
  66 #define CHIP_W1_BUS_END(v)      0x0bffffffUL
  67 #define CHIP_W1_SYS_START(v)    ((u_long)BONITO_PCILO_BASE)
  68 #define CHIP_W1_SYS_END(v)      ((u_long)BONITO_PCILO_BASE + 0x0bffffffUL)
  69
  70 #if 0 /* XXX Should implement access to this via TLB or 64-bit KSEG */
  71 /* MEM region 2 */
  72 #define CHIP_W2_BUS_START(v)    0x20000000UL
  73 #define CHIP_W2_BUS_END(v)      0x3fffffffUL
  74 #define CHIP_W2_SYS_START(v)    ((u_long)BONITO_PCIHI_BASE)
  75 #define CHIP_W2_SYS_END(v)      ((u_long)BONITO_PCIHI_BASE + 0xe0000000UL)
  76 #endif
  77
  78 #include <mips/mips/bus_space_alignstride_chipdep.c>