1/* $NetBSD: ttwogavar.h,v 1.3 2008/04/28 20:23:11 martin 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 */
41struct 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 */
63struct 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
98extern cpuid_t ttwoga_conf_cpu;
99extern struct ttwoga_config ttwoga_configuration[];
100
101struct ttwoga_config *ttwoga_init(int, int);
102void	ttwoga_pci_init(pci_chipset_tag_t, void *);
103void	ttwoga_dma_init(struct ttwoga_config *);
104
105void	ttwoga_bus_io_init(bus_space_tag_t, void *);
106void	ttwoga_bus_mem_init(bus_space_tag_t, void *);
107