sys/arch/alpha/pci/ttwogavar.h

   1 /* $NetBSD: ttwogavar.h,v 1.2 2001/07/27 00:25:21 thorpej Exp $ */
   2
   3 /*-
   4  * Copyright (c) 1999 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 #include <dev/isa/isavar.h>
  33 #include <dev/pci/pcivar.h>
  34 #include <alpha/pci/pci_sgmap_pte64.h>
  35
  36 #define _FSTORE (EXTENT_FIXED_STORAGE_SIZE(8) / sizeof(long))
  37
  38 /*
  39  * T2 System Address Map info.
  40  */
  41 struct ttwoga_sysmap {
  42         bus_addr_t      tsmap_sio_base;
  43         bus_size_t      tsmap_sio_syssize;
  44         bus_size_t      tsmap_sio_bussize;
  45
  46         bus_addr_t      tsmap_smem_base;
  47         bus_size_t      tsmap_smem_syssize;
  48         bus_size_t      tsmap_smem_bussize;
  49
  50         bus_addr_t      tsmap_dmem_base;
  51         bus_size_t      tsmap_dmem_syssize;
  52         bus_size_t      tsmap_dmem_bussize;
  53
  54         bus_addr_t      tsmap_conf_base;
  55 };
  56
  57 /*
  58  * A T2 Gate Array's configuration.
  59  *
  60  * All of the information that the T2-specific functions need to
  61  * do their dirty work (and more!).
  62  */
  63 struct ttwoga_config {
  64         int     tc_initted;
  65
  66         int     tc_rev;
  67
  68         int     tc_hose;
  69
  70         bus_addr_t tc_io_bus_start, tc_d_mem_bus_start, tc_s_mem_bus_start;
  71
  72         const struct ttwoga_sysmap *tc_sysmap;
  73
  74         struct alpha_bus_space tc_iot, tc_memt;
  75         struct alpha_pci_chipset tc_pc;
  76
  77         struct alpha_bus_dma_tag tc_dmat_direct;
  78         struct alpha_bus_dma_tag tc_dmat_sgmap;
  79
  80         struct alpha_sgmap tc_sgmap;
  81         int tc_use_tlb;                 /* Gamma hardware bug */
  82
  83         long tc_io_exstorage[_FSTORE];
  84         long tc_smem_exstorage[_FSTORE];
  85         long tc_dmem_exstorage[_FSTORE];
  86
  87         struct extent *tc_io_ex, *tc_d_mem_ex, *tc_s_mem_ex;
  88         int     tc_mallocsafe;
  89
  90         u_long  tc_vecbase;
  91         struct alpha_shared_intr *tc_intrtab;
  92
  93         void    (*tc_enable_intr)(struct ttwoga_config *, int, int);
  94         void    (*tc_setlevel)(struct ttwoga_config *, int, int);
  95         void    (*tc_eoi)(struct ttwoga_config *, int);
  96 };
  97
  98 extern cpuid_t ttwoga_conf_cpu;
  99 extern struct ttwoga_config ttwoga_configuration[];
 100
 101 struct ttwoga_config *ttwoga_init(int, int);
 102 void    ttwoga_pci_init(pci_chipset_tag_t, void *);
 103 void    ttwoga_dma_init(struct ttwoga_config *);
 104
 105 void    ttwoga_bus_io_init(bus_space_tag_t, void *);
 106 void    ttwoga_bus_mem_init(bus_space_tag_t, void *);