i80321var.h revision 150552 
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: head/sys/arm/xscale/i80321/i80321var.h 150552 2005-09-25 21:06:50Z cognet $
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/*
49 * There are roughly 32 interrupt sources.
50 */
51#define	NIRQ		32
52
53extern struct bus_space i80321_bs_tag;
54
55struct i80321_softc {
56	device_t 		dev;
57	bus_space_tag_t 	sc_st;
58	bus_space_handle_t	sc_sh;
59	/* Handles for the various subregions. */
60	bus_space_handle_t 	sc_atu_sh;
61	bus_space_handle_t 	sc_mcu_sh;
62	int			sc_is_host;
63
64	/*
65	 * We expect the board-specific front-end to have already mapped
66	 * the PCI I/O space .. it is only 64K, and I/O mappings tend to
67	 * be smaller than a page size, so it's generally more efficient
68	 * to map them all into virtual space in one fell swoop.
69	 */
70	vm_offset_t		sc_iow_vaddr;		/* I/O window vaddr */
71
72	/*
73	 * Variables that define the Inbound windows.  The base address of
74	 * 0-2 are configured by a host via BARs.  The xlate variable
75	 * defines the start of the local address space that it maps to.
76	 * The size variable defines the byte size.
77	 *
78	 * The first 3 windows are for incoming PCI memory read/write
79	 * cycles from a host.  The 4th window, not configured by the
80	 * host (as it outside the normal BAR range) is the inbound
81	 * window for PCI devices controlled by the i80321.
82	 */
83	struct {
84		uint32_t iwin_base_hi;
85		uint32_t iwin_base_lo;
86		uint32_t iwin_xlate;
87		uint32_t iwin_size;
88	} sc_iwin[4];
89
90	/*
91	 * Variables that define the Outbound windows.
92	 */
93	struct {
94		uint32_t owin_xlate_lo;
95		uint32_t owin_xlate_hi;
96	} sc_owin[2];
97
98	/*
99	 * This is the PCI address that the Outbound I/O
100	 * window maps to.
101	 */
102	uint32_t		sc_ioout_xlate;
103
104	/* Bus space, DMA, and PCI tags for the PCI bus (private devices). */
105	struct bus_space 	sc_pci_iot;
106	struct bus_space 	sc_pci_memt;
107
108	/* GPIO state */
109	uint8_t sc_gpio_dir;    /* GPIO pin direction (1 == output) */
110	uint8_t sc_gpio_val;    /* GPIO output pin value */
111	struct rman sc_irq_rman;
112
113};
114void	i80321_sdram_bounds(bus_space_tag_t, bus_space_handle_t,
115	    vm_paddr_t *, vm_size_t *);
116
117void	i80321_attach(struct i80321_softc *);
118void	i80321_calibrate_delay(void);
119
120void	i80321_bs_init(bus_space_tag_t, void *);
121void	i80321_io_bs_init(bus_space_tag_t, void *);
122void	i80321_mem_bs_init(bus_space_tag_t, void *);
123
124#endif /* _ARM_XSCALE_I80321VAR_H_ */
125