xref: /netbsd/sys/arch/algor/algor/algor_p4032reg.h (revision bf9ec67e)
1 /*	$NetBSD: algor_p4032reg.h,v 1.2 2001/06/22 05:57:26 thorpej Exp $	*/
2 
3 /*-
4  * Copyright (c) 2001 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Jason R. Thorpe.
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  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *	This product includes software developed by the NetBSD
21  *	Foundation, Inc. and its contributors.
22  * 4. Neither the name of The NetBSD Foundation nor the names of its
23  *    contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36  * POSSIBILITY OF SUCH DAMAGE.
37  */
38 
39 /*
40  * Memory map and register definitions for the Algorithmics P-4032.
41  */
42 
43 #define	P4032_MEMORY		0x00000000UL	/* onbord DRAM memory */
44 			/* 	256 MB		*/
45 #define	P4032_ISAMEM		0x10000000UL	/* ISA window of PCI memory */
46 			/*	8MB		*/
47 #define	P4032_PCIMEM		0x11000000UL	/* PCI memory window */
48 			/*	112MB		*/
49 #define	P4032_PCIIO		0x1ed00000UL	/* PCI I/O window */
50 			/*	1MB		*/
51 #define	P4032_PCICFG		0x1ee00000UL	/* PCI config space */
52 			/*	1MB		*/
53 #define	P4032_V962PBC		0x1ef00000UL	/* V962PBC PCI controller */
54 			/*	64KB		*/
55 #define	P4032_CFGBOOT_W		0x1fc00000UL	/* configured bootstrap (W) */
56 			/*	1MB or 512KB	*/
57 #define	P4032_SOCKET_W		0x1fd00000UL	/* socket EPROM (W) */
58 			/*	512KB		*/
59 #define	P4032_FLASH_W		0x1fe00000UL	/* flash (W) */
60 			/*	1MB		*/
61 #define	P4032_RTC		0x1ff00000UL	/* RTC */
62 #define	P4032_PCKBC		0x1ff10000UL	/* keyboard controller */
63 #define	P4032_LED		0x1ff20010UL	/* LED display (4reg) */
64 #define	P4032_LCD		0x1ff30000UL	/* LCD display */
65 #define	P4032_GPIO		0x1ff40000UL	/* General purpose I/O */
66 #define	P4032_FDC		0x1ff807c0UL	/* floppy controller */
67 #define	P4032_GAME		0x1ff80800UL	/* game port (unused) */
68 #define	P4032_COM2		0x1ff80be0UL	/* COM2 */
69 #define	P4032_LPT		0x1ff80de0UL	/* parallel port */
70 #define	P4032_COM1		0x1ff80fe0UL	/* COM1 */
71 #define	P4032_IRR0		0x1ff90000UL	/* interrupt req. 0 */
72 #define	P4032_IRR1		0x1ff90004UL	/* interrupt req. 1 */
73 #define	P4032_IRR2		0x1ff90008UL	/* interrupt req. 2 */
74 #define	P4032_XBAR0		0x1ff9000cUL	/* interrupt crossbar 0 */
75 #define	P4032_XBAR1		0x1ff90010UL	/* interrupt crossbar 1 */
76 #define	P4032_XBAR2		0x1ff90014UL	/* interrupt crossbar 2 */
77 #define	P4032_VERSION		0x1ff9001cUL	/* board version */
78 #define	P4032_FLOPPY_DMA_ACK	0x1ffa0fd4UL	/* floppy "DMA ACK" */
79 #define	P4032_BOARD_CONFIG	0x1ffb0000UL	/* board configuration */
80 #define	P4032_DRAM_CONFIG	0x1ffc0000UL	/* DRAM configuration */
81 #define	P4032_OPTION		0x1ffd0000UL	/* option register */
82 #define	P4032_PCIMEM_HI		0x20000000UL	/* PCI memory high window */
83 			/*	3.5GB		*/
84 
85 /* IRR0 (8-bit devices) */
86 #define	IRR0_PCICTLR	0x01	/* PCI controller */
87 #define	IRR0_FLOPPY	0x02	/* floppy controller */
88 #define	IRR0_PCKBC	0x04	/* keyboard controller */
89 #define	IRR0_COM1	0x08	/* COM1 */
90 #define	IRR0_COM2	0x10	/* COM2 */
91 #define	IRR0_LPT	0x20	/* centronics */
92 #define	IRR0_GPIO	0x40	/* general purpose I/O */
93 #define	IRR0_RTC	0x80	/* real-time clock */
94 
95 /* IRR1 (error/clear) */
96 #define	IRR1_DEBUG	0x01	/* debug switch */
97 #define	IRR1_POWERFAIL	0x02	/* power fail */
98 #define	IRR1_BUSERR	0x04	/* bus error */
99 #define	IRR1_LPT_ACK	0x20	/* centronics interrupt ack. */
100 
101 /* IRR2 (PCI) */
102 #define	IRR2_FLOPPY_DMA	0x08	/* floppy DMA request */
103 #define	IRR2_PCIIRQ0	0x10	/* PCIIRQ 0 */
104 #define	IRR2_PCIIRQ1	0x20	/* PCIIRQ 1 */
105 #define	IRR2_PCIIRQ2	0x40	/* PCIIRQ 2 */
106 #define	IRR2_PCIIRQ3	0x80	/* PCIIRQ 3 */
107 
108 /*
109  * The Algorithmics PMON initializes two DMA windows:
110  *
111  *	PCI 8000.0000 -> Phys 0000.0000 (256MB)
112  *	PCI c000.0000 -> Phys 0000.0000 (256MB)
113  *
114  * The latter has prefetching enabled, the former disabled, on
115  * V962 < rev B2, which have broken DMA FIFOs.  The latter is
116  * given to the on-board Ethernet.
117  */
118 #define	P4032_DMA_PCI_PCIBASE	0x80000000UL
119 #define	P4032_DMA_PCI_PF_PCIBASE 0xc0000000UL
120 #define	P4032_DMA_PCI_PHYSBASE	0x00000000UL
121 #define	P4032_DMA_PCI_SIZE	(256 * 1024 * 1024)
122