1/* $NetBSD: ioasicreg.h,v 1.6.24.4 2005/03/04 16:50:52 skrll Exp $ */
2
3/*
4 * Copyright (c) 1991,1990,1989,1994,1995 Carnegie Mellon University
5 * All Rights Reserved.
6 *
7 * Permission to use, copy, modify and distribute this software and
8 * its documentation is hereby granted, provided that both the copyright
9 * notice and this permission notice appear in all copies of the
10 * software, derivative works or modified versions, and any portions
11 * thereof, and that both notices appear in supporting documentation.
12 *
13 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
14 * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
15 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
16 *
17 * Carnegie Mellon requests users of this software to return to
18 *
19 *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
20 *  School of Computer Science
21 *  Carnegie Mellon University
22 *  Pittsburgh PA 15213-3890
23 *
24 * any improvements or extensions that they make and grant Carnegie the
25 * rights to redistribute these changes.
26 */
27
28/*-
29 * Copyright (c) 1992, 1993
30 *	The Regents of the University of California.  All rights reserved.
31 *
32 * This code is derived from software contributed to Berkeley by
33 * The Mach Operating System project at Carnegie-Mellon University,
34 * Ralph Campbell and Rick Macklem.
35 *
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
38 * are met:
39 * 1. Redistributions of source code must retain the above copyright
40 *    notice, this list of conditions and the following disclaimer.
41 * 2. Redistributions in binary form must reproduce the above copyright
42 *    notice, this list of conditions and the following disclaimer in the
43 *    documentation and/or other materials provided with the distribution.
44 * 3. Neither the name of the University nor the names of its contributors
45 *    may be used to endorse or promote products derived from this software
46 *    without specific prior written permission.
47 *
48 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
49 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
50 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
51 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
52 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
53 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
54 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
55 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
56 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
57 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
58 * SUCH DAMAGE.
59 *
60 *	@(#)asic.h	8.1 (Berkeley) 6/10/93
61 */
62
63/*
64 * Slot definitions
65 */
66
67#define IOASIC_SLOT_0_START		0x000000
68#define IOASIC_SLOT_1_START		0x040000
69#define IOASIC_SLOT_2_START		0x080000
70#define IOASIC_SLOT_3_START		0x0c0000
71#define IOASIC_SLOT_4_START		0x100000
72#define IOASIC_SLOT_5_START		0x140000
73#define IOASIC_SLOT_6_START		0x180000
74#define IOASIC_SLOT_7_START		0x1c0000
75#define IOASIC_SLOT_8_START		0x200000
76#define IOASIC_SLOT_9_START		0x240000
77#define IOASIC_SLOT_10_START		0x280000
78#define IOASIC_SLOT_11_START		0x2c0000
79#define IOASIC_SLOT_12_START		0x300000
80#define IOASIC_SLOT_13_START		0x340000
81#define IOASIC_SLOT_14_START		0x380000
82#define IOASIC_SLOT_15_START		0x3c0000
83#define IOASIC_SLOTS_END		0x3fffff
84
85/*
86 *  Register offsets (slot 1)
87 */
88
89#define IOASIC_SCSI_DMAPTR		IOASIC_SLOT_1_START+0x000
90#define IOASIC_SCSI_NEXTPTR		IOASIC_SLOT_1_START+0x010
91#define IOASIC_LANCE_DMAPTR		IOASIC_SLOT_1_START+0x020
92#define IOASIC_SCC_T1_DMAPTR		IOASIC_SLOT_1_START+0x030
93#define IOASIC_SCC_R1_DMAPTR		IOASIC_SLOT_1_START+0x040
94#define IOASIC_SCC_T2_DMAPTR		IOASIC_SLOT_1_START+0x050
95#define IOASIC_SCC_R2_DMAPTR		IOASIC_SLOT_1_START+0x060
96#define IOASIC_FLOPPY_DMAPTR		IOASIC_SLOT_1_START+0x070
97#define IOASIC_ISDN_X_DMAPTR		IOASIC_SLOT_1_START+0x080
98#define IOASIC_ISDN_X_NEXTPTR		IOASIC_SLOT_1_START+0x090
99#define IOASIC_ISDN_R_DMAPTR		IOASIC_SLOT_1_START+0x0a0
100#define IOASIC_ISDN_R_NEXTPTR		IOASIC_SLOT_1_START+0x0b0
101#define IOASIC_BUFF0			IOASIC_SLOT_1_START+0x0c0
102#define IOASIC_BUFF1			IOASIC_SLOT_1_START+0x0d0
103#define IOASIC_BUFF2			IOASIC_SLOT_1_START+0x0e0
104#define IOASIC_BUFF3			IOASIC_SLOT_1_START+0x0f0
105#define IOASIC_CSR			IOASIC_SLOT_1_START+0x100
106#define IOASIC_INTR			IOASIC_SLOT_1_START+0x110
107#define IOASIC_IMSK			IOASIC_SLOT_1_START+0x120
108#define IOASIC_CURADDR			IOASIC_SLOT_1_START+0x130
109#define IOASIC_ISDN_X_DATA		IOASIC_SLOT_1_START+0x140
110#define IOASIC_ISDN_R_DATA		IOASIC_SLOT_1_START+0x150
111#define IOASIC_LANCE_DECODE		IOASIC_SLOT_1_START+0x160
112#define IOASIC_SCSI_DECODE		IOASIC_SLOT_1_START+0x170
113#define IOASIC_SCC0_DECODE		IOASIC_SLOT_1_START+0x180
114#define IOASIC_SCC1_DECODE		IOASIC_SLOT_1_START+0x190
115#define IOASIC_FLOPPY_DECODE		IOASIC_SLOT_1_START+0x1a0
116#define IOASIC_SCSI_SCR			IOASIC_SLOT_1_START+0x1b0
117#define IOASIC_SCSI_SDR0		IOASIC_SLOT_1_START+0x1c0
118#define IOASIC_SCSI_SDR1		IOASIC_SLOT_1_START+0x1d0
119#define IOASIC_CTR			IOASIC_SLOT_1_START+0x1e0 /*3max+/3000*/
120
121/* System Status and control Register (SSR). */
122#define IOASIC_CSR_DMAEN_T1		0x80000000	/* rw */
123#define IOASIC_CSR_DMAEN_R1		0x40000000	/* rw */
124#define IOASIC_CSR_DMAEN_T2		0x20000000	/* rw */
125#define IOASIC_CSR_DMAEN_R2		0x10000000	/* rw */
126#define IOASIC_CSR_FASTMODE		0x08000000	/* rw - 3000 */
127#define IOASIC_CSR_xxx			0x07800000	/* reserved - 3000 */
128#define IOASIC_CSR_DS_xxx		0x0f800000	/* reserved - DS */
129#define IOASIC_CSR_FLOPPY_DIR		0x00400000	/* rw - maxine */
130#define IOASIC_CSR_DMAEN_FLOPPY		0x00200000	/* rw - maxine */
131#define IOASIC_CSR_DMAEN_ISDN_T		0x00100000	/* rw */
132#define IOASIC_CSR_DMAEN_ISDN_R		0x00080000	/* rw */
133#define IOASIC_CSR_SCSI_DIR		0x00040000	/* rw - DS */
134#define IOASIC_CSR_DMAEN_SCSI		0x00020000	/* rw - DS */
135#define IOASIC_CSR_DMAEN_LANCE		0x00010000	/* rw - DS */
136/* low 16 bits are rw gp outputs */
137#define IOASIC_CSR_DIAGDN		0x00008000	/* rw */
138#define IOASIC_CSR_TXDIS_2		0x00004000	/* rw - 3min,3max+ */
139#define IOASIC_CSR_TXDIS_1		0x00002000	/* rw - 3min,3max+ */
140#define IOASIC_CSR_ISDN_ENABLE		0x00001000	/* rw - 3000/maxine */
141#define IOASIC_CSR_SCC_ENABLE		0x00000800	/* rw */
142#define IOASIC_CSR_RTC_ENABLE		0x00000400	/* rw */
143#define IOASIC_CSR_SCSI_ENABLE		0x00000200	/* rw - DS */
144#define IOASIC_CSR_LANCE_ENABLE		0x00000100	/* rw */
145
146/* System Interrupt Register (and Interrupt Mask Register). */
147#define IOASIC_INTR_T1_PAGE_END		0x80000000	/* rz */
148#define IOASIC_INTR_T1_READ_E		0x40000000	/* rz */
149#define IOASIC_INTR_R1_HALF_PAGE	0x20000000	/* rz */
150#define IOASIC_INTR_R1_DMA_OVRUN	0x10000000	/* rz */
151#define IOASIC_INTR_T2_PAGE_END		0x08000000	/* rz */
152#define IOASIC_INTR_T2_READ_E		0x04000000	/* rz */
153#define IOASIC_INTR_R2_HALF_PAGE	0x02000000	/* rz */
154#define IOASIC_INTR_R2_DMA_OVRUN	0x01000000	/* rz */
155#define IOASIC_INTR_FLOPPY_DMA_E	0x00800000	/* rz - maxine */
156#define IOASIC_INTR_ISDN_TXLOAD		0x00400000	/* rz - 3000/maxine */
157#define IOASIC_INTR_ISDN_RXLOAD		0x00200000	/* rz - 3000/maxine */
158#define IOASIC_INTR_ISDN_OVRUN		0x00100000	/* rz - 3000/maxine */
159#define IOASIC_INTR_SCSI_PTR_LOAD	0x00080000	/* rz - DS */
160#define IOASIC_INTR_SCSI_OVRUN		0x00040000	/* rz - DS */
161#define IOASIC_INTR_SCSI_READ_E		0x00020000	/* rz - DS */
162#define IOASIC_INTR_LANCE_READ_E	0x00010000	/* rz - DS */
163
164/* low 16 bits are model-dependent; see also model specific *.h */
165#define IOASIC_INTR_NVR_JUMPER		0x00004000	/* ro */
166#define IOASIC_INTR_ISDN		0x00002000	/* ro - 3000 */
167#define IOASIC_INTR_NRMOD_JUMPER	0x00000400	/* ro */
168#define IOASIC_INTR_SEC_CON		0x00000200	/* ro */
169#define IOASIC_INTR_SCSI		0x00000200	/* ro - DS */
170#define IOASIC_INTR_LANCE		0x00000100	/* ro */
171#define IOASIC_INTR_SCC_1		0x00000080	/* ro */
172#define IOASIC_INTR_SCC_0		0x00000040	/* ro */
173#define IOASIC_INTR_ALT_CON		0x00000008	/* ro - 3000/500 */
174#define IOASIC_INTR_300_OPT1		0x00000008	/* ro - 3000/300 */
175#define IOASIC_INTR_300_OPT0		0x00000004	/* ro - 3000/300 */
176
177/* DMA pointer registers (SCSI, Comm, ...) */
178
179#define	IOASIC_DMA_ADDR(p) \
180    ((((p) << 3) & ~0x1f) | (((p) >> 29) & 0x1f))
181#define	IOASIC_DMA_BLOCKSIZE		0x1000
182
183/* For the LANCE DMA pointer register initialization the above suffices */
184
185/* More SCSI DMA registers */
186
187#define IOASIC_SCR_STATUS		0x00000004
188#define IOASIC_SCR_WORD			0x00000003
189
190/* Various Decode registers */
191
192#define IOASIC_DECODE_HW_ADDRESS	0x000003f0
193#define IOASIC_DECODE_CHIP_SELECT	0x0000000f
194
195/*
196 * And slot assignments.
197 */
198#define IOASIC_SYS_ETHER_ADDRESS(base)	((base) + IOASIC_SLOT_2_START)
199#define IOASIC_SYS_LANCE(base)		((base) + IOASIC_SLOT_3_START)
200