xref: /netbsd/sys/arch/evbarm/iq80310/iq80310reg.h (revision bf9ec67e)
1 /*	$NetBSD: iq80310reg.h,v 1.4 2001/12/01 02:02:46 thorpej Exp $	*/
2 
3 /*
4  * Copyright (c) 2001 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 
38 #ifndef _IQ80310REG_H_
39 #define	_IQ80310REG_H_
40 
41 /*
42  * Memory map and register definitions for the Intel IQ80310
43  * Evaluation Board.
44  */
45 
46 /*
47  * The memory map of the IQ80310 looks like so:
48  *
49  *           ------------------------------
50  *		On-board devices
51  *		Flash Bank 0
52  * FE80 0000 ------------------------------
53  *		DRAM
54  * A000 0000 ------------------------------
55  *		Reserved
56  * 9002 0000 ------------------------------
57  *		ATU Outbound Transaction
58  *		    Windows
59  * 8000 0000 ------------------------------
60  *		ATU Outbound Direct
61  *		    Addressing Windows
62  * 0080 0000 ------------------------------
63  *		Flash Bank 1
64  * 0000 2000 ------------------------------
65  *		Reserved
66  * 0000 1900 ------------------------------
67  *		Peripheral Memory Mapped
68  *		    Registers
69  * 0000 1000 ------------------------------
70  *		Initialization Boot Code
71  *		    from Flash Bank 1
72  * 0000 0000 ------------------------------
73  */
74 
75 /*
76  * We map the CPLD registers VA==PA, so we go ahead and cheat
77  * with register access.
78  */
79 #define	CPLD_READ(x)		*((__volatile uint8_t *)(x))
80 #define	CPLD_WRITE(x, v)	*((__volatile uint8_t *)(x)) = (v)
81 
82 /*
83  * We allocate a page table for VA 0xfe400000 (4MB) and map the i80312
84  * PCI I/O space (2 * 64L) and i80312 regisers (4K) there.
85  */
86 #define	IQ80310_IOPXS_VBASE	0xfe400000UL
87 #define	IQ80310_PIOW_VBASE	IQ80310_IOPXS_VBASE
88 #define	IQ80310_SIOW_VBASE	(IQ80310_PIOW_VBASE + I80312_PCI_XLATE_IOSIZE)
89 #define	IQ80310_80312_VBASE	(IQ80310_SIOW_VBASE + I80312_PCI_XLATE_IOSIZE)
90 
91 /*
92  * The IQ80310 on-board devices are mapped VA==PA during bootstrap.
93  * Conveniently, the size of the on-board register space is 1 section
94  * mapping.
95  */
96 #define	IQ80310_OBIO_BASE	0xfe800000UL
97 #define	IQ80310_OBIO_SIZE	0x00100000UL	/* 1MB */
98 
99 #define	IQ80310_UART1		0xfe800000UL	/* XR 16550 */
100 
101 #define	IQ80310_UART2		0xfe810000UL	/* XR 16550 */
102 
103 #define	IQ80310_XINT3_STATUS	0xfe820000UL
104 #define	XINT3_TIMER		0		/* CPLD timer */
105 #define	XINT3_ETHERNET		1		/* on-board i82559 */
106 #define	XINT3_UART1		2		/* 16550 #1 */
107 #define	XINT3_UART2		3		/* 16550 #2 */
108 #define	XINT3_SINTD		4		/* INTD# */
109 #define	XINT3_BIT(x)		(1U << (x))
110 
111 #define	IQ80310_BOARD_REV	0xfe830000UL	/* rev F and later (??) */
112 #define	BOARD_REV(x)		(((x) & 0xf) + '@')
113 
114 #define	IQ80310_CPLD_REV	0xfe840000UL
115 #define	CPLD_REV(x)		(((x) & 0xf) + '@')
116 
117 #define	IQ80310_7SEG_MSB	0xfe840000UL
118 #define	IQ80310_7SEG_LSB	0xfe850000UL
119 	/*
120 	 * The 7-segment display looks like so:
121 	 *
122 	 *         A
123 	 *	+-----+
124 	 *	|     |
125 	 *    F	|     | B
126 	 *	|  G  |
127 	 *	+-----+
128 	 *	|     |
129 	 *    E	|     | C
130 	 *	|  D  |
131 	 *	+-----+ o  DP
132 	 *
133 	 * Setting a bit clears the corresponding segment on the
134 	 * display.
135 	 */
136 #define	SEG_A			(1 << 0)
137 #define	SEG_B			(1 << 1)
138 #define	SEG_C			(1 << 2)
139 #define	SEG_D			(1 << 3)
140 #define	SEG_E			(1 << 4)
141 #define	SEG_F			(1 << 5)
142 #define	SEG_G			(1 << 6)
143 #define	SEG_DP			(1 << 7)
144 
145 #define	IQ80310_XINT0_STATUS	0xfe850000UL	/* rev F and later */
146 #define	XINT0_SINTA		0		/* INTA# */
147 #define	XINT0_SINTB		1		/* INTB# */
148 #define	XINT0_SINTC		2		/* INTC# */
149 #define	XINT0_BIT(x)		(1U << (x))
150 
151 #define	IQ80310_XINT_MASK	0xfe860000UL
152 	/* See XINT_STATUS bits: 0 == int enabled, 1 == int disabled */
153 
154 #define	IQ80310_BACKPLANE_DET	0xfe870000UL
155 
156 #define	IQ80310_TIMER_LA0	0xfe880000UL
157 
158 #define	IQ80310_TIMER_LA1	0xfe890000UL
159 
160 #define	IQ80310_TIMER_LA2	0xfe8a0000UL
161 
162 #define	IQ80310_TIMER_LA3	0xfe8b0000UL
163 
164 #define	IQ80310_TIMER_ENABLE	0xfe8c0000UL
165 #define	TIMER_ENABLE_EN		(1U << 0)	/* enable counter */
166 #define	TIMER_ENABLE_INTEN	(1U << 1)	/* enable interrupt */
167 
168 #define	IQ80310_ROT_SWITCH	0xfe8d0000UL
169 
170 #define	IQ80310_JTAG		0xfe8e0000UL
171 
172 #define	IQ80310_BATTERY_STAT	0xfe8f0000UL
173 #define	BATTERY_STAT_PRES	(1U << 0)
174 #define	BATTERY_STAT_CHRG	(1U << 1)
175 #define	BATTERY_STAT_DISCHRG	(1U << 2)
176 #define	BATTERY_STAT_PWRDELAY	(1U << 3)	/* rev F and later */
177 
178 #endif /* _IQ80310REG_H_ */
179