1 /* $NetBSD: ioasicreg.h,v 1.9 2005/12/11 12:24:00 christos 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