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ttwogavar.h revision 1.1 
      1 /* $NetBSD: ttwogavar.h,v 1.1 2000/12/21 20:51:55 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  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *	This product includes software developed by the NetBSD
     21  *	Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 #include <dev/isa/isavar.h>
     40 #include <dev/pci/pcivar.h>
     41 #include <alpha/pci/pci_sgmap_pte64.h>
     42 
     43 #define	_FSTORE	(EXTENT_FIXED_STORAGE_SIZE(8) / sizeof(long))
     44 
     45 /*
     46  * T2 System Address Map info.
     47  */
     48 struct ttwoga_sysmap {
     49 	bus_addr_t	tsmap_sio_base;
     50 	bus_size_t	tsmap_sio_syssize;
     51 	bus_size_t	tsmap_sio_bussize;
     52 
     53 	bus_addr_t	tsmap_smem_base;
     54 	bus_size_t	tsmap_smem_syssize;
     55 	bus_size_t	tsmap_smem_bussize;
     56 
     57 	bus_addr_t	tsmap_dmem_base;
     58 	bus_size_t	tsmap_dmem_syssize;
     59 	bus_size_t	tsmap_dmem_bussize;
     60 
     61 	bus_addr_t	tsmap_conf_base;
     62 };
     63 
     64 /*
     65  * A T2 Gate Array's configuration.
     66  *
     67  * All of the information that the T2-specific functions need to
     68  * do their dirty work (and more!).
     69  */
     70 struct ttwoga_config {
     71 	int	tc_initted;
     72 
     73 	int	tc_rev;
     74 
     75 	int	tc_hose;
     76 
     77 	bus_addr_t tc_io_bus_start, tc_d_mem_bus_start, tc_s_mem_bus_start;
     78 
     79 	const struct ttwoga_sysmap *tc_sysmap;
     80 
     81 	struct alpha_bus_space tc_iot, tc_memt;
     82 	struct alpha_pci_chipset tc_pc;
     83 
     84 	struct alpha_bus_dma_tag tc_dmat_direct;
     85 	struct alpha_bus_dma_tag tc_dmat_sgmap;
     86 
     87 	struct alpha_sgmap tc_sgmap;
     88 	int tc_use_tlb;			/* Gamma hardware bug */
     89 
     90 	long tc_io_exstorage[_FSTORE];
     91 	long tc_smem_exstorage[_FSTORE];
     92 	long tc_dmem_exstorage[_FSTORE];
     93 
     94 	struct extent *tc_io_ex, *tc_d_mem_ex, *tc_s_mem_ex;
     95 	int	tc_mallocsafe;
     96 
     97 	struct alpha_shared_intr *tc_intrtab;
     98 
     99 	void	(*tc_enable_intr)(struct ttwoga_config *, int, int);
    100 	void	(*tc_setlevel)(struct ttwoga_config *, int, int);
    101 	void	(*tc_eoi)(struct ttwoga_config *, int);
    102 };
    103 
    104 extern cpuid_t ttwoga_conf_cpu;
    105 extern struct ttwoga_config ttwoga_configuration[];
    106 
    107 struct ttwoga_config *ttwoga_init(int, int);
    108 void	ttwoga_pci_init(pci_chipset_tag_t, void *);
    109 void	ttwoga_dma_init(struct ttwoga_config *);
    110 
    111 void	ttwoga_bus_io_init(bus_space_tag_t, void *);
    112 void	ttwoga_bus_mem_init(bus_space_tag_t, void *);
    113