xref: /netbsd/sys/arch/evbarm/nslu2/nslu2reg.h (revision ce099b40)
1 /*	$NetBSD: nslu2reg.h,v 1.2 2008/04/28 20:23:17 martin 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