1 /* $NetBSD: i80321var.h,v 1.8 2003/10/06 16:06:06 thorpej Exp $ */
2
3 /*-
4 * Copyright (c) 2002, 2003 Wasabi Systems, Inc.
5 * All rights reserved.
6 *
7 * Written by Jason R. Thorpe for Wasabi Systems, Inc.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed for the NetBSD Project by
20 * Wasabi Systems, Inc.
21 * 4. The name of Wasabi Systems, Inc. may not be used to endorse
22 * or promote products derived from this software without specific prior
23 * written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 * POSSIBILITY OF SUCH DAMAGE.
36 *
37 * $FreeBSD$
38 *
39 */
40
41 #ifndef _ARM_XSCALE_I80321VAR_H_
42 #define _ARM_XSCALE_I80321VAR_H_
43
44 #include <sys/queue.h>
45 #include <dev/pci/pcivar.h>
46 #include <sys/rman.h>
47
48 extern struct bus_space i80321_bs_tag;
49
50 struct i80321_softc {
51 device_t dev;
52 bus_space_tag_t sc_st;
53 bus_space_handle_t sc_sh;
54 /* Handles for the various subregions. */
55 bus_space_handle_t sc_atu_sh;
56 bus_space_handle_t sc_mcu_sh;
57 int sc_is_host;
58
59 /*
60 * We expect the board-specific front-end to have already mapped
61 * the PCI I/O space .. it is only 64K, and I/O mappings tend to
62 * be smaller than a page size, so it's generally more efficient
63 * to map them all into virtual space in one fell swoop.
64 */
65 vm_offset_t sc_iow_vaddr; /* I/O window vaddr */
66
67 /*
68 * Variables that define the Inbound windows. The base address of
69 * 0-2 are configured by a host via BARs. The xlate variable
70 * defines the start of the local address space that it maps to.
71 * The size variable defines the byte size.
72 *
73 * The first 3 windows are for incoming PCI memory read/write
74 * cycles from a host. The 4th window, not configured by the
75 * host (as it outside the normal BAR range) is the inbound
76 * window for PCI devices controlled by the i80321.
77 */
78 struct {
79 uint32_t iwin_base_hi;
80 uint32_t iwin_base_lo;
81 uint32_t iwin_xlate;
82 uint32_t iwin_size;
83 } sc_iwin[4];
84
85 /*
86 * Variables that define the Outbound windows.
87 */
88 struct {
89 uint32_t owin_xlate_lo;
90 uint32_t owin_xlate_hi;
91 } sc_owin[2];
92
93 /*
94 * This is the PCI address that the Outbound I/O
95 * window maps to.
96 */
97 uint32_t sc_ioout_xlate;
98
99 /* Bus space, DMA, and PCI tags for the PCI bus (private devices). */
100 struct bus_space sc_pci_iot;
101 struct bus_space sc_pci_memt;
102
103 /* GPIO state */
104 uint8_t sc_gpio_dir; /* GPIO pin direction (1 == output) */
105 uint8_t sc_gpio_val; /* GPIO output pin value */
106 struct rman sc_irq_rman;
107
108 };
109
110
111 struct i80321_pci_softc {
112 device_t sc_dev;
113 bus_space_tag_t sc_st;
114 bus_space_handle_t sc_atu_sh;
115 bus_space_tag_t sc_pciio;
116 bus_space_tag_t sc_pcimem;
117 int sc_busno;
118 struct rman sc_mem_rman;
119 struct rman sc_io_rman;
120 struct rman sc_irq_rman;
121 uint32_t sc_mem;
122 uint32_t sc_io;
123 };
124
125 void i80321_sdram_bounds(bus_space_tag_t, bus_space_handle_t,
126 vm_paddr_t *, vm_size_t *);
127
128 void i80321_attach(struct i80321_softc *);
129 void i80321_calibrate_delay(void);
130
131 void i80321_bs_init(bus_space_tag_t, void *);
132 void i80321_io_bs_init(bus_space_tag_t, void *);
133 void i80321_mem_bs_init(bus_space_tag_t, void *);
134 extern int machdep_pci_route_interrupt(device_t pcib, device_t dev, int pin);
135
136
137 #endif /* _ARM_XSCALE_I80321VAR_H_ */
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