1/*	$NetBSD: nslu2reg.h,v 1.1 2006/02/28 20:40:33 scw Exp $	*/
2
3/*-
4 * Copyright (c) 2006 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Steve C. Woodford.
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#ifndef	_NSLU2REG_H_
33#define	_NSLU2REG_H_
34
35/*
36 * PCI GPIO Assignments
37 */
38#define	GPIO_PCI_INTC	9	/* GPIO[9]:  PCI INTC [Input] */
39#define	 PCI_INT_C	IXP425_INT_GPIO_9
40#define	GPIO_PCI_INTB	10	/* GPIO[10]: PCI INTB [Input] */
41#define	 PCI_INT_B	IXP425_INT_GPIO_10
42#define	GPIO_PCI_INTA	11	/* GPIO[11]: PCI INTA [Input] */
43#define	 PCI_INT_A	IXP425_INT_GPIO_11
44#define	GPIO_PCI_RESET	13	/* GPIO[13]: PCI Reset [Output] */
45#define	GPIO_PCI_CLK	14	/* GPIO[14]: 33MHz PCI Clock [Output] */
46
47/*
48 * I2C Bus GPIO Assignments
49 */
50#define	GPIO_I2C_SCL	6	/* GPIO[6]: I2c Clock [Output] */
51#define  GPIO_I2C_SCL_BIT (1u << 6)
52#define	GPIO_I2C_SDA	7	/* GPIO[7]: I2C Data [Tristate] */
53#define  GPIO_I2C_SDA_BIT (1u << 7)
54
55/*
56 * LED GPIO Assignments
57 */
58#define	GPIO_LED_STATUS	0	/* GPIO[0]: Status LED [Output, active high] */
59#define	GPIO_LED_READY	1	/* GPIO[1]: Ready LED [Output, active high] */
60#define	GPIO_LED_DISK2	2	/* GPIO[2]: Disk 2 LED [Output, active low] */
61#define	GPIO_LED_DISK1	3	/* GPIO[3]: Disk 1 LED [Output, active low] */
62
63/*
64 * Button GPIO Assignments
65 */
66#define	GPIO_BUTTON_PWR	5	/* GPIO[5]:  Power button [Input, pulsed] */
67#define  BUTTON_PWR_INT	IXP425_INT_GPIO_5
68#define	GPIO_BUTTON_RST	12	/* GPIO[12]: Reset button [Input, active low] */
69#define  BUTTON_RST_INT	IXP425_INT_GPIO_12
70
71/*
72 * Miscellaneous GPIO Assignments
73 */
74#define	GPIO_BUZZER	4	/* GPIO[4]: Buzzer [Output] */
75#define	GPIO_POWER_OFF	8	/* GPIO[8]: Power Off [Output, Active high] */
76#define	GPIO_EXP_CLOCK	15	/* GPIO[15]: Expandion bus clock [Output] */
77
78
79/*
80 * Flash memory
81 */
82#define	NSLU2_FLASH_HWBASE	0x50000000
83#define	NSLU2_FLASH_VBASE	0xfc000000
84#define	NSLU2_FLASH_SIZE	0x00800000
85
86/*
87 * Interesting locations in Flash
88 */
89#define	NSLU2_FLASH_ETHERNET_MAC	(NSLU2_FLASH_VBASE + 0x3ffb0)
90
91#endif	/* _NSLU2REG_H_ */
92